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-rw-r--r--.clang-format19
-rw-r--r--.mailmap7
-rw-r--r--CREDITS6
-rw-r--r--Documentation/ABI/obsolete/sysfs-cpuidle9
-rw-r--r--Documentation/ABI/obsolete/sysfs-driver-intel_pmc_bxt22
-rw-r--r--Documentation/ABI/stable/sysfs-devices-node2
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-rw-r--r--Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update12
-rw-r--r--Documentation/Makefile6
-rw-r--r--Documentation/PCI/boot-interrupts.rst34
-rw-r--r--Documentation/RCU/Design/Requirements/Requirements.rst61
-rw-r--r--Documentation/admin-guide/acpi/ssdt-overlays.rst2
-rw-r--r--Documentation/admin-guide/bug-hunting.rst53
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-rw-r--r--Documentation/admin-guide/device-mapper/dm-integrity.rst15
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-rw-r--r--Documentation/admin-guide/perf-security.rst86
-rw-r--r--Documentation/admin-guide/pm/cpuidle.rst20
-rw-r--r--Documentation/admin-guide/pm/intel-speed-select.rst917
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-rw-r--r--Documentation/admin-guide/sysctl/net.rst8
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-rw-r--r--Documentation/arm64/amu.rst5
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-rw-r--r--Documentation/arm64/cpu-feature-registers.rst2
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-rw-r--r--Documentation/arm64/silicon-errata.rst8
-rw-r--r--Documentation/block/biovecs.rst2
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-rw-r--r--Documentation/bpf/bpf_devel_QA.rst15
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-rw-r--r--Documentation/bpf/ringbuf.rst209
-rw-r--r--Documentation/conf.py38
-rw-r--r--Documentation/core-api/cachetlb.rst2
-rw-r--r--Documentation/core-api/debugging-via-ohci1394.rst (renamed from Documentation/debugging-via-ohci1394.txt)0
-rw-r--r--Documentation/core-api/dma-api-howto.rst (renamed from Documentation/DMA-API-HOWTO.txt)0
-rw-r--r--Documentation/core-api/dma-api.rst (renamed from Documentation/DMA-API.txt)0
-rw-r--r--Documentation/core-api/dma-attributes.rst (renamed from Documentation/DMA-attributes.txt)0
-rw-r--r--Documentation/core-api/dma-isa-lpc.rst (renamed from Documentation/DMA-ISA-LPC.txt)0
-rw-r--r--Documentation/core-api/index.rst9
-rw-r--r--Documentation/core-api/irq/concepts.rst (renamed from Documentation/IRQ.txt)0
-rw-r--r--Documentation/core-api/irq/index.rst11
-rw-r--r--Documentation/core-api/irq/irq-affinity.rst (renamed from Documentation/IRQ-affinity.txt)0
-rw-r--r--Documentation/core-api/irq/irq-domain.rst (renamed from Documentation/IRQ-domain.txt)3
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-rw-r--r--Documentation/core-api/kobject.rst28
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-rw-r--r--Documentation/core-api/printk-basics.rst115
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-rw-r--r--Documentation/core-api/rbtree.rst (renamed from Documentation/rbtree.txt)0
-rw-r--r--Documentation/dev-tools/kgdb.rst24
-rw-r--r--Documentation/dev-tools/kselftest.rst3
-rw-r--r--Documentation/devicetree/bindings/Makefile21
-rw-r--r--Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt36
-rw-r--r--Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml64
-rw-r--r--Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/bridge/adi,adv7123.txt50
-rw-r--r--Documentation/devicetree/bindings/display/bridge/anx6345.yaml8
-rw-r--r--Documentation/devicetree/bindings/display/bridge/chrontel,ch7033.yaml77
-rw-r--r--Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt50
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-rw-r--r--Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml91
-rw-r--r--Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml8
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-rw-r--r--Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml99
-rw-r--r--Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml68
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-rw-r--r--Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt51
-rw-r--r--Documentation/devicetree/bindings/display/dsi-controller.yaml4
-rw-r--r--Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt6
-rw-r--r--Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt10
-rw-r--r--Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.txt31
-rw-r--r--Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml54
-rw-r--r--Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-nt35596.yaml56
-rw-r--r--Documentation/devicetree/bindings/display/panel/boe,himax8279d.txt24
-rw-r--r--Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml59
-rw-r--r--Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml2
-rw-r--r--Documentation/devicetree/bindings/display/panel/display-timings.yaml8
-rw-r--r--Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt20
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-rw-r--r--Documentation/devicetree/bindings/display/panel/ilitek,ili9322.txt49
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-rw-r--r--Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.txt20
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-rw-r--r--Documentation/devicetree/bindings/display/panel/innolux,p097pfg.txt24
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-rw-r--r--Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt22
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-rw-r--r--Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt31
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-rw-r--r--Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt42
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-rw-r--r--Documentation/devicetree/bindings/display/panel/kingdisplay,kd097d04.txt22
-rw-r--r--Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml51
-rw-r--r--Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml1
-rw-r--r--Documentation/devicetree/bindings/display/panel/lg,acx467akm-7.txt7
-rw-r--r--Documentation/devicetree/bindings/display/panel/lg,ld070wx3-sl01.txt7
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-rw-r--r--Documentation/devicetree/bindings/display/panel/lg,lh500wx1-sd03.txt7
-rw-r--r--Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.txt33
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-rw-r--r--Documentation/devicetree/bindings/display/panel/lvds.yaml10
-rw-r--r--Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt42
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-rw-r--r--Documentation/devicetree/bindings/display/panel/osddisplays,osd101t2587-53ts.txt14
-rw-r--r--Documentation/devicetree/bindings/display/panel/panel-common.yaml17
-rw-r--r--Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml14
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-rw-r--r--Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt41
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-rw-r--r--Documentation/devicetree/bindings/display/panel/samsung,amoled-mipi-dsi.yaml65
-rw-r--r--Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt66
-rw-r--r--Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml107
-rw-r--r--Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.txt30
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-rw-r--r--Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.txt23
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-rw-r--r--Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.txt36
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-rw-r--r--Documentation/devicetree/bindings/display/panel/simple-panel.txt1
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-rw-r--r--Documentation/devicetree/bindings/display/renesas,du.txt10
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-rw-r--r--Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt74
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-rw-r--r--Documentation/devicetree/bindings/dma/fsl-edma.txt3
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-rw-r--r--tools/testing/selftests/bpf/verifier/calls.c18
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-rw-r--r--tools/testing/selftests/bpf/verifier/event_output.c24
-rw-r--r--tools/testing/selftests/bpf/verifier/helper_access_var_len.c46
-rw-r--r--tools/testing/selftests/bpf/verifier/helper_value_access.c42
-rw-r--r--tools/testing/selftests/bpf/verifier/precise.c8
-rw-r--r--tools/testing/selftests/bpf/verifier/prevent_map_lookup.c30
-rw-r--r--tools/testing/selftests/bpf/verifier/ref_tracking.c33
-rw-r--r--tools/testing/selftests/bpf/verifier/sock.c117
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-rw-r--r--tools/testing/selftests/bpf/verifier/value_or_null.c19
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-rwxr-xr-xtools/testing/selftests/ftrace/ftracetest32
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-rw-r--r--tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc2
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-rw-r--r--tools/testing/selftests/gpio/Makefile12
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-rw-r--r--tools/testing/selftests/ipc/msgque.c2
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-rwxr-xr-xtools/testing/selftests/kselftest_deps.sh272
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-rw-r--r--tools/testing/selftests/kvm/include/evmcs.h4
-rw-r--r--tools/testing/selftests/kvm/include/kvm_util.h32
-rw-r--r--tools/testing/selftests/kvm/include/x86_64/processor.h11
-rw-r--r--tools/testing/selftests/kvm/include/x86_64/svm_util.h10
-rw-r--r--tools/testing/selftests/kvm/include/x86_64/vmx.h27
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c163
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util_internal.h8
-rw-r--r--tools/testing/selftests/kvm/lib/s390x/processor.c5
-rw-r--r--tools/testing/selftests/kvm/lib/x86_64/vmx.c3
-rw-r--r--tools/testing/selftests/kvm/set_memory_region_test.c408
-rw-r--r--tools/testing/selftests/kvm/x86_64/debug_regs.c202
-rw-r--r--tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c103
-rw-r--r--tools/testing/selftests/kvm/x86_64/set_memory_region_test.c141
-rw-r--r--tools/testing/selftests/kvm/x86_64/smm_test.c19
-rw-r--r--tools/testing/selftests/kvm/x86_64/state_test.c62
-rw-r--r--tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c255
-rwxr-xr-xtools/testing/selftests/lkdtm/run.sh22
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-rwxr-xr-xtools/testing/selftests/net/fib_nexthops.sh593
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-rwxr-xr-xtools/testing/selftests/net/forwarding/pedit_dsfield.sh73
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-rwxr-xr-xtools/testing/selftests/net/pmtu.sh122
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-rwxr-xr-xtools/testing/selftests/net/vrf-xfrm-tests.sh436
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-rw-r--r--tools/testing/selftests/pidfd/config6
-rw-r--r--tools/testing/selftests/pidfd/pidfd_setns_test.c473
-rwxr-xr-xtools/testing/selftests/pstore/pstore_tests2
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-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kcsan-collapse.sh22
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh16
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-recheck.sh9
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh52
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-rw-r--r--tools/testing/selftests/vm/config2
-rw-r--r--tools/testing/selftests/vm/hmm-tests.c1359
-rw-r--r--tools/testing/selftests/vm/khugepaged.c1035
-rwxr-xr-xtools/testing/selftests/vm/run_vmtests18
-rwxr-xr-xtools/testing/selftests/vm/test_hmm.sh97
-rw-r--r--tools/testing/selftests/vm/write_to_hugetlbfs.c2
-rwxr-xr-xtools/testing/selftests/wireguard/netns.sh54
-rw-r--r--tools/testing/selftests/wireguard/qemu/Makefile2
-rw-r--r--tools/testing/selftests/wireguard/qemu/arch/powerpc64le.config1
-rw-r--r--tools/testing/selftests/wireguard/qemu/debug.config2
-rw-r--r--tools/virtio/Makefile5
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-rw-r--r--tools/virtio/linux/compiler.h1
-rw-r--r--tools/vm/Makefile2
-rw-r--r--tools/vm/page_owner_sort.c5
-rw-r--r--virt/kvm/async_pf.c15
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-rw-r--r--virt/kvm/eventfd.c4
-rw-r--r--virt/kvm/kvm_main.c111
7103 files changed, 298889 insertions, 128254 deletions
diff --git a/.clang-format b/.clang-format
index 6ec5558b516b..a0a96088c74f 100644
--- a/.clang-format
+++ b/.clang-format
@@ -80,6 +80,7 @@ ForEachMacros:
- 'ax25_uid_for_each'
- '__bio_for_each_bvec'
- 'bio_for_each_bvec'
+ - 'bio_for_each_bvec_all'
- 'bio_for_each_integrity_vec'
- '__bio_for_each_segment'
- 'bio_for_each_segment'
@@ -142,10 +143,13 @@ ForEachMacros:
- 'for_each_card_auxs'
- 'for_each_card_auxs_safe'
- 'for_each_card_components'
+ - 'for_each_card_dapms'
- 'for_each_card_pre_auxs'
- 'for_each_card_prelinks'
- 'for_each_card_rtds'
- 'for_each_card_rtds_safe'
+ - 'for_each_card_widgets'
+ - 'for_each_card_widgets_safe'
- 'for_each_cgroup_storage_type'
- 'for_each_child_of_node'
- 'for_each_clear_bit'
@@ -160,6 +164,7 @@ ForEachMacros:
- 'for_each_cpu_and'
- 'for_each_cpu_not'
- 'for_each_cpu_wrap'
+ - 'for_each_dapm_widgets'
- 'for_each_dev_addr'
- 'for_each_dev_scope'
- 'for_each_displayid_db'
@@ -170,7 +175,6 @@ ForEachMacros:
- 'for_each_dpcm_fe'
- 'for_each_drhd_unit'
- 'for_each_dss_dev'
- - 'for_each_efi_handle'
- 'for_each_efi_memory_desc'
- 'for_each_efi_memory_desc_in_map'
- 'for_each_element'
@@ -191,6 +195,7 @@ ForEachMacros:
- 'for_each_ip_tunnel_rcu'
- 'for_each_irq_nr'
- 'for_each_link_codecs'
+ - 'for_each_link_cpus'
- 'for_each_link_platforms'
- 'for_each_lru'
- 'for_each_matching_node'
@@ -250,6 +255,7 @@ ForEachMacros:
- 'for_each_pci_bridge'
- 'for_each_pci_dev'
- 'for_each_pci_msi_entry'
+ - 'for_each_pcm_streams'
- 'for_each_populated_zone'
- 'for_each_possible_cpu'
- 'for_each_present_cpu'
@@ -260,9 +266,12 @@ ForEachMacros:
- 'for_each_property_of_node'
- 'for_each_registered_fb'
- 'for_each_reserved_mem_region'
- - 'for_each_rtd_codec_dai'
- - 'for_each_rtd_codec_dai_rollback'
+ - 'for_each_rtd_codec_dais'
+ - 'for_each_rtd_codec_dais_rollback'
- 'for_each_rtd_components'
+ - 'for_each_rtd_cpu_dais'
+ - 'for_each_rtd_cpu_dais_rollback'
+ - 'for_each_rtd_dais'
- 'for_each_set_bit'
- 'for_each_set_bit_from'
- 'for_each_set_clump8'
@@ -334,6 +343,7 @@ ForEachMacros:
- 'klp_for_each_object'
- 'klp_for_each_object_safe'
- 'klp_for_each_object_static'
+ - 'kunit_suite_for_each_test_case'
- 'kvm_for_each_memslot'
- 'kvm_for_each_vcpu'
- 'list_for_each'
@@ -387,6 +397,7 @@ ForEachMacros:
- 'of_property_for_each_string'
- 'of_property_for_each_u32'
- 'pci_bus_for_each_resource'
+ - 'pcm_for_each_format'
- 'ping_portaddr_for_each_entry'
- 'plist_for_each'
- 'plist_for_each_continue'
@@ -482,7 +493,7 @@ KeepEmptyLinesAtTheStartOfBlocks: false
MacroBlockBegin: ''
MacroBlockEnd: ''
MaxEmptyLinesToKeep: 1
-NamespaceIndentation: Inner
+NamespaceIndentation: None
#ObjCBinPackProtocolList: Auto # Unknown to clang-format-5.0
ObjCBlockIndentWidth: 8
ObjCSpaceAfterProperty: true
diff --git a/.mailmap b/.mailmap
index db3754a41018..c69d9c734fb5 100644
--- a/.mailmap
+++ b/.mailmap
@@ -152,6 +152,7 @@ Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com>
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Leon Romanovsky <leon@kernel.org> <leon@leon.nu>
Leon Romanovsky <leon@kernel.org> <leonro@mellanox.com>
+Leonardo Bras <leobras.c@gmail.com> <leonardo@linux.ibm.com>
Leonid I Ananiev <leonid.i.ananiev@intel.com>
Linas Vepstas <linas@austin.ibm.com>
Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
@@ -234,7 +235,9 @@ Ralf Baechle <ralf@linux-mips.org>
Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Randy Dunlap <rdunlap@infradead.org> <rdunlap@xenotime.net>
Rémi Denis-Courmont <rdenis@simphalempin.com>
-Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
+Ricardo Ribalda <ribalda@kernel.org> <ricardo.ribalda@gmail.com>
+Ricardo Ribalda <ribalda@kernel.org> <ricardo@ribalda.com>
+Ricardo Ribalda <ribalda@kernel.org> Ricardo Ribalda Delgado <ribalda@kernel.org>
Ross Zwisler <zwisler@kernel.org> <ross.zwisler@linux.intel.com>
Rudolf Marek <R.Marek@sh.cvut.cz>
Rui Saraiva <rmps@joel.ist.utl.pt>
@@ -288,6 +291,8 @@ Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com>
Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com>
Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Will Deacon <will@kernel.org> <will.deacon@arm.com>
+Wolfram Sang <wsa@kernel.org> <wsa@the-dreams.de>
+Wolfram Sang <wsa@kernel.org> <w.sang@pengutronix.de>
Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com>
Yusuke Goda <goda.yusuke@renesas.com>
Gustavo Padovan <gustavo@las.ic.unicamp.br>
diff --git a/CREDITS b/CREDITS
index 032b5994f476..0787b5872906 100644
--- a/CREDITS
+++ b/CREDITS
@@ -3104,14 +3104,16 @@ W: http://www.qsl.net/dl1bke/
D: Generic Z8530 driver, AX.25 DAMA slave implementation
D: Several AX.25 hacks
-N: Ricardo Ribalda Delgado
-E: ricardo.ribalda@gmail.com
+N: Ricardo Ribalda
+E: ribalda@kernel.org
W: http://ribalda.com
D: PLX USB338x driver
D: PCA9634 driver
D: Option GTM671WFS
D: Fintek F81216A
D: AD5761 iio driver
+D: TI DAC7612 driver
+D: Sony IMX214 driver
D: Various kernel hacks
S: Qtechnology A/S
S: Valby Langgade 142
diff --git a/Documentation/ABI/obsolete/sysfs-cpuidle b/Documentation/ABI/obsolete/sysfs-cpuidle
new file mode 100644
index 000000000000..e398fb5e542f
--- /dev/null
+++ b/Documentation/ABI/obsolete/sysfs-cpuidle
@@ -0,0 +1,9 @@
+What: /sys/devices/system/cpu/cpuidle/current_governor_ro
+Date: April, 2020
+Contact: linux-pm@vger.kernel.org
+Description:
+ current_governor_ro shows current using cpuidle governor, but read only.
+ with the update that cpuidle governor can be changed at runtime in default,
+ both current_governor and current_governor_ro co-exist under
+ /sys/devices/system/cpu/cpuidle/ file, it's duplicate so make
+ current_governor_ro obselete.
diff --git a/Documentation/ABI/obsolete/sysfs-driver-intel_pmc_bxt b/Documentation/ABI/obsolete/sysfs-driver-intel_pmc_bxt
new file mode 100644
index 000000000000..39d5659f388b
--- /dev/null
+++ b/Documentation/ABI/obsolete/sysfs-driver-intel_pmc_bxt
@@ -0,0 +1,22 @@
+These files allow sending arbitrary IPC commands to the PMC/SCU which
+may be dangerous. These will be removed eventually and should not be
+used in any new applications.
+
+What: /sys/bus/platform/devices/INT34D2:00/simplecmd
+Date: Jun 2015
+KernelVersion: 4.1
+Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
+Description: This interface allows userspace to send an arbitrary
+ IPC command to the PMC/SCU.
+
+ Format: %d %d where first number is command and
+ second number is subcommand.
+
+What: /sys/bus/platform/devices/INT34D2:00/northpeak
+Date: Jun 2015
+KernelVersion: 4.1
+Contact: Mika Westerberg <mika.westerberg@linux.intel.com>
+Description: This interface allows userspace to enable and disable
+ Northpeak through the PMC/SCU.
+
+ Format: %u.
diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
index df8413cf1468..484fc04bcc25 100644
--- a/Documentation/ABI/stable/sysfs-devices-node
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -54,7 +54,7 @@ Date: October 2002
Contact: Linux Memory Management list <linux-mm@kvack.org>
Description:
Provides information about the node's distribution and memory
- utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.txt
+ utilization. Similar to /proc/meminfo, see Documentation/filesystems/proc.rst
What: /sys/devices/system/node/nodeX/numastat
Date: October 2002
diff --git a/Documentation/ABI/testing/debugfs-hisi-hpre b/Documentation/ABI/testing/debugfs-hisi-hpre
index ec4a79e3a807..b4be5f1db4b7 100644
--- a/Documentation/ABI/testing/debugfs-hisi-hpre
+++ b/Documentation/ABI/testing/debugfs-hisi-hpre
@@ -33,7 +33,7 @@ Contact: linux-crypto@vger.kernel.org
Description: Dump debug registers from the HPRE.
Only available for PF.
-What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/qm_regs
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/regs
Date: Sep 2019
Contact: linux-crypto@vger.kernel.org
Description: Dump debug registers from the QM.
@@ -44,14 +44,97 @@ What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/current_q
Date: Sep 2019
Contact: linux-crypto@vger.kernel.org
Description: One QM may contain multiple queues. Select specific queue to
- show its debug registers in above qm_regs.
+ show its debug registers in above regs.
Only available for PF.
What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/clear_enable
Date: Sep 2019
Contact: linux-crypto@vger.kernel.org
-Description: QM debug registers(qm_regs) read clear control. 1 means enable
+Description: QM debug registers(regs) read clear control. 1 means enable
register read clear, otherwise 0.
Writing to this file has no functional effect, only enable or
disable counters clear after reading of these registers.
Only available for PF.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/err_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of invalid interrupts for
+ QM task completion.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/aeq_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of QM async event queue interrupts.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/abnormal_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of interrupts for QM abnormal event.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/create_qp_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of queue allocation errors.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/mb_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of failed QM mailbox commands.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/qm/status
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the status of the QM.
+ Four states: initiated, started, stopped and closed.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of sent requests.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/recv_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of received requests.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_busy_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of requests sent
+ with returning busy.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/send_fail_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of completed but error requests.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/invalid_req_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of invalid requests being received.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/overtime_thrhld
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Set the threshold time for counting the request which is
+ processed longer than the threshold.
+ 0: disable(default), 1: 1 microsecond.
+ Available for both PF and VF, and take no other effect on HPRE.
+
+What: /sys/kernel/debug/hisi_hpre/<bdf>/hpre_dfx/over_thrhld_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of time out requests.
+ Available for both PF and VF, and take no other effect on HPRE.
diff --git a/Documentation/ABI/testing/debugfs-hisi-sec b/Documentation/ABI/testing/debugfs-hisi-sec
index 06adb899495e..85feb4408e0f 100644
--- a/Documentation/ABI/testing/debugfs-hisi-sec
+++ b/Documentation/ABI/testing/debugfs-hisi-sec
@@ -1,10 +1,4 @@
-What: /sys/kernel/debug/hisi_sec/<bdf>/sec_dfx
-Date: Oct 2019
-Contact: linux-crypto@vger.kernel.org
-Description: Dump the debug registers of SEC cores.
- Only available for PF.
-
-What: /sys/kernel/debug/hisi_sec/<bdf>/clear_enable
+What: /sys/kernel/debug/hisi_sec2/<bdf>/clear_enable
Date: Oct 2019
Contact: linux-crypto@vger.kernel.org
Description: Enabling/disabling of clear action after reading
@@ -12,7 +6,7 @@ Description: Enabling/disabling of clear action after reading
0: disable, 1: enable.
Only available for PF, and take no other effect on SEC.
-What: /sys/kernel/debug/hisi_sec/<bdf>/current_qm
+What: /sys/kernel/debug/hisi_sec2/<bdf>/current_qm
Date: Oct 2019
Contact: linux-crypto@vger.kernel.org
Description: One SEC controller has one PF and multiple VFs, each function
@@ -20,24 +14,100 @@ Description: One SEC controller has one PF and multiple VFs, each function
qm refers to.
Only available for PF.
-What: /sys/kernel/debug/hisi_sec/<bdf>/qm/qm_regs
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/qm_regs
Date: Oct 2019
Contact: linux-crypto@vger.kernel.org
Description: Dump of QM related debug registers.
Available for PF and VF in host. VF in guest currently only
has one debug register.
-What: /sys/kernel/debug/hisi_sec/<bdf>/qm/current_q
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/current_q
Date: Oct 2019
Contact: linux-crypto@vger.kernel.org
Description: One QM of SEC may contain multiple queues. Select specific
- queue to show its debug registers in above 'qm_regs'.
+ queue to show its debug registers in above 'regs'.
Only available for PF.
-What: /sys/kernel/debug/hisi_sec/<bdf>/qm/clear_enable
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/clear_enable
Date: Oct 2019
Contact: linux-crypto@vger.kernel.org
Description: Enabling/disabling of clear action after reading
the SEC's QM debug registers.
0: disable, 1: enable.
Only available for PF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/err_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of invalid interrupts for
+ QM task completion.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/aeq_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of QM async event queue interrupts.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/abnormal_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of interrupts for QM abnormal event.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/create_qp_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of queue allocation errors.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/mb_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of failed QM mailbox commands.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/qm/status
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the status of the QM.
+ Four states: initiated, started, stopped and closed.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of sent requests.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/recv_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of received requests.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/send_busy_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of requests sent with returning busy.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/err_bd_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of BD type error requests
+ to be received.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/invalid_req_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of invalid requests being received.
+ Available for both PF and VF, and take no other effect on SEC.
+
+What: /sys/kernel/debug/hisi_sec2/<bdf>/sec_dfx/done_flag_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of completed but marked error requests
+ to be received.
+ Available for both PF and VF, and take no other effect on SEC.
diff --git a/Documentation/ABI/testing/debugfs-hisi-zip b/Documentation/ABI/testing/debugfs-hisi-zip
index a7c63e6c4bc3..3034a2bf99ca 100644
--- a/Documentation/ABI/testing/debugfs-hisi-zip
+++ b/Documentation/ABI/testing/debugfs-hisi-zip
@@ -26,7 +26,7 @@ Description: One ZIP controller has one PF and multiple VFs, each function
has a QM. Select the QM which below qm refers to.
Only available for PF.
-What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_regs
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/regs
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: Dump of QM related debug registers.
@@ -37,14 +37,78 @@ What: /sys/kernel/debug/hisi_zip/<bdf>/qm/current_q
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
Description: One QM may contain multiple queues. Select specific queue to
- show its debug registers in above qm_regs.
+ show its debug registers in above regs.
Only available for PF.
What: /sys/kernel/debug/hisi_zip/<bdf>/qm/clear_enable
Date: Nov 2018
Contact: linux-crypto@vger.kernel.org
-Description: QM debug registers(qm_regs) read clear control. 1 means enable
+Description: QM debug registers(regs) read clear control. 1 means enable
register read clear, otherwise 0.
Writing to this file has no functional effect, only enable or
disable counters clear after reading of these registers.
Only available for PF.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/err_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of invalid interrupts for
+ QM task completion.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/aeq_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of QM async event queue interrupts.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/abnormal_irq
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of interrupts for QM abnormal event.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/create_qp_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of queue allocation errors.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/mb_err
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the number of failed QM mailbox commands.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/qm/status
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the status of the QM.
+ Four states: initiated, started, stopped and closed.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/send_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of sent requests.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/recv_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of received requests.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/send_busy_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of requests received
+ with returning busy.
+ Available for both PF and VF, and take no other effect on ZIP.
+
+What: /sys/kernel/debug/hisi_zip/<bdf>/zip_dfx/err_bd_cnt
+Date: Apr 2020
+Contact: linux-crypto@vger.kernel.org
+Description: Dump the total number of BD type error requests
+ to be received.
+ Available for both PF and VF, and take no other effect on ZIP.
diff --git a/Documentation/ABI/testing/dev-kmsg b/Documentation/ABI/testing/dev-kmsg
index f307506eb54c..1e6c28b1942b 100644
--- a/Documentation/ABI/testing/dev-kmsg
+++ b/Documentation/ABI/testing/dev-kmsg
@@ -56,6 +56,11 @@ Description: The /dev/kmsg character device node provides userspace access
seek after the last record available at the time
the last SYSLOG_ACTION_CLEAR was issued.
+ Due to the record nature of this interface with a "read all"
+ behavior and the specific positions each seek operation sets,
+ SEEK_CUR is not supported, returning -ESPIPE (invalid seek) to
+ errno whenever requested.
+
The output format consists of a prefix carrying the syslog
prefix including priority and facility, the 64 bit message
sequence number and the monotonic timestamp in microseconds,
diff --git a/Documentation/ABI/testing/procfs-smaps_rollup b/Documentation/ABI/testing/procfs-smaps_rollup
index 274df44d8b1b..046978193368 100644
--- a/Documentation/ABI/testing/procfs-smaps_rollup
+++ b/Documentation/ABI/testing/procfs-smaps_rollup
@@ -11,7 +11,7 @@ Description:
Additionally, the fields Pss_Anon, Pss_File and Pss_Shmem
are not present in /proc/pid/smaps. These fields represent
the sum of the Pss field of each type (anon, file, shmem).
- For more details, see Documentation/filesystems/proc.txt
+ For more details, see Documentation/filesystems/proc.rst
and the procfs man page.
Typical output looks like this:
diff --git a/Documentation/ABI/testing/sysfs-class-net b/Documentation/ABI/testing/sysfs-class-net
index 664a8f6a634f..3b404577f380 100644
--- a/Documentation/ABI/testing/sysfs-class-net
+++ b/Documentation/ABI/testing/sysfs-class-net
@@ -124,6 +124,19 @@ Description:
authentication is performed (e.g: 802.1x). 'link_mode' attribute
will also reflect the dormant state.
+What: /sys/class/net/<iface>/testing
+Date: April 2002
+KernelVersion: 5.8
+Contact: netdev@vger.kernel.org
+Description:
+ Indicates whether the interface is under test. Possible
+ values are:
+ 0: interface is not being tested
+ 1: interface is being tested
+
+ When an interface is under test, it cannot be expected
+ to pass packets as normal.
+
What: /sys/clas/net/<iface>/duplex
Date: October 2009
KernelVersion: 2.6.33
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 2e0e3b45d02a..6b5dafab950c 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -106,10 +106,10 @@ Description: CPU topology files that describe a logical CPU's relationship
See Documentation/admin-guide/cputopology.rst for more information.
-What: /sys/devices/system/cpu/cpuidle/current_driver
- /sys/devices/system/cpu/cpuidle/current_governer_ro
- /sys/devices/system/cpu/cpuidle/available_governors
+What: /sys/devices/system/cpu/cpuidle/available_governors
+ /sys/devices/system/cpu/cpuidle/current_driver
/sys/devices/system/cpu/cpuidle/current_governor
+ /sys/devices/system/cpu/cpuidle/current_governer_ro
Date: September 2007
Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org>
Description: Discover cpuidle policy and mechanism
@@ -119,24 +119,18 @@ Description: Discover cpuidle policy and mechanism
consumption during idle.
Idle policy (governor) is differentiated from idle mechanism
- (driver)
-
- current_driver: (RO) displays current idle mechanism
-
- current_governor_ro: (RO) displays current idle policy
-
- With the cpuidle_sysfs_switch boot option enabled (meant for
- developer testing), the following three attributes are visible
- instead:
-
- current_driver: same as described above
+ (driver).
available_governors: (RO) displays a space separated list of
- available governors
+ available governors.
+
+ current_driver: (RO) displays current idle mechanism.
current_governor: (RW) displays current idle policy. Users can
switch the governor at runtime by writing to this file.
+ current_governor_ro: (RO) displays current idle policy.
+
See Documentation/admin-guide/pm/cpuidle.rst and
Documentation/driver-api/pm/cpuidle.rst for more information.
diff --git a/Documentation/ABI/testing/sysfs-platform-dptf b/Documentation/ABI/testing/sysfs-platform-dptf
index 325dc0667dbb..eeed81ca6949 100644
--- a/Documentation/ABI/testing/sysfs-platform-dptf
+++ b/Documentation/ABI/testing/sysfs-platform-dptf
@@ -27,10 +27,12 @@ KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) Display the platform power source
- 0x00 = DC
- 0x01 = AC
- 0x02 = USB
- 0x03 = Wireless Charger
+ bits[3:0] Current power source
+ 0x00 = DC
+ 0x01 = AC
+ 0x02 = USB
+ 0x03 = Wireless Charger
+ bits[7:4] Power source sequence number
What: /sys/bus/platform/devices/INT3407:00/dptf_power/battery_steady_power
Date: Jul, 2016
@@ -38,3 +40,55 @@ KernelVersion: v4.10
Contact: linux-acpi@vger.kernel.org
Description:
(RO) The maximum sustained power for battery in milliwatts.
+
+What: /sys/bus/platform/devices/INT3407:00/dptf_power/rest_of_platform_power_mw
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) Shows the rest (outside of SoC) of worst-case platform power.
+
+What: /sys/bus/platform/devices/INT3407:00/dptf_power/prochot_confirm
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (WO) Confirm embedded controller about a prochot notification.
+
+What: /sys/bus/platform/devices/INT3532:00/dptf_battery/max_platform_power_mw
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) The maximum platform power that can be supported by the battery in milli watts.
+
+What: /sys/bus/platform/devices/INT3532:00/dptf_battery/max_steady_state_power_mw
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) The maximum sustained power for battery in milli watts.
+
+What: /sys/bus/platform/devices/INT3532:00/dptf_battery/high_freq_impedance_mohm
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) The high frequency impedance value that can be obtained from battery
+ fuel gauge in milli Ohms.
+
+What: /sys/bus/platform/devices/INT3532:00/dptf_battery/no_load_voltage_mv
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) The no-load voltage that can be obtained from battery fuel gauge in
+ milli volts.
+
+What: /sys/bus/platform/devices/INT3532:00/dptf_battery/current_discharge_capbility_ma
+Date: June, 2020
+KernelVersion: v5.8
+Contact: linux-acpi@vger.kernel.org
+Description:
+ (RO) The battery discharge current capability obtained from battery fuel gauge in
+ milli Amps.
diff --git a/Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update b/Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update
new file mode 100644
index 000000000000..5aa618987cad
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-intel-wmi-sbl-fw-update
@@ -0,0 +1,12 @@
+What: /sys/bus/wmi/devices/44FADEB1-B204-40F2-8581-394BBDC1B651/firmware_update_request
+Date: April 2020
+KernelVersion: 5.7
+Contact: "Jithu Joseph" <jithu.joseph@intel.com>
+Description:
+ Allow user space entities to trigger update of Slim
+ Bootloader (SBL). This attribute normally has a value
+ of 0 and userspace can signal SBL to update firmware,
+ on next reboot, by writing a value of 1.
+ There are two available states:
+ * 0 -> Skip firmware update while rebooting
+ * 1 -> Attempt firmware update on next reboot
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 7e12d10ca8e0..6b12dd82f712 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -98,7 +98,11 @@ else # HAVE_PDFLATEX
pdfdocs: latexdocs
@$(srctree)/scripts/sphinx-pre-install --version-check
- $(foreach var,$(SPHINXDIRS), $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit;)
+ $(foreach var,$(SPHINXDIRS), \
+ $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit; \
+ mkdir -p $(BUILDDIR)/$(var)/pdf; \
+ mv $(subst .tex,.pdf,$(wildcard $(BUILDDIR)/$(var)/latex/*.tex)) $(BUILDDIR)/$(var)/pdf/; \
+ )
endif # HAVE_PDFLATEX
diff --git a/Documentation/PCI/boot-interrupts.rst b/Documentation/PCI/boot-interrupts.rst
index d078ef3eb192..2ec70121bfca 100644
--- a/Documentation/PCI/boot-interrupts.rst
+++ b/Documentation/PCI/boot-interrupts.rst
@@ -32,12 +32,13 @@ interrupt goes unhandled over time, they are tracked by the Linux kernel as
Spurious Interrupts. The IRQ will be disabled by the Linux kernel after it
reaches a specific count with the error "nobody cared". This disabled IRQ
now prevents valid usage by an existing interrupt which may happen to share
-the IRQ line.
+the IRQ line::
irq 19: nobody cared (try booting with the "irqpoll" option)
CPU: 0 PID: 2988 Comm: irq/34-nipalk Tainted: 4.14.87-rt49-02410-g4a640ec-dirty #1
Hardware name: National Instruments NI PXIe-8880/NI PXIe-8880, BIOS 2.1.5f1 01/09/2020
Call Trace:
+
<IRQ>
? dump_stack+0x46/0x5e
? __report_bad_irq+0x2e/0xb0
@@ -85,15 +86,18 @@ Mitigations
The mitigations take the form of PCI quirks. The preference has been to
first identify and make use of a means to disable the routing to the PCH.
In such a case a quirk to disable boot interrupt generation can be
-added.[1]
+added. [1]_
- Intel® 6300ESB I/O Controller Hub
+Intel® 6300ESB I/O Controller Hub
Alternate Base Address Register:
BIE: Boot Interrupt Enable
- 0 = Boot interrupt is enabled.
- 1 = Boot interrupt is disabled.
- Intel® Sandy Bridge through Sky Lake based Xeon servers:
+ == ===========================
+ 0 Boot interrupt is enabled.
+ 1 Boot interrupt is disabled.
+ == ===========================
+
+Intel® Sandy Bridge through Sky Lake based Xeon servers:
Coherent Interface Protocol Interrupt Control
dis_intx_route2pch/dis_intx_route2ich/dis_intx_route2dmi2:
When this bit is set. Local INTx messages received from the
@@ -109,12 +113,12 @@ line by default. Therefore, on chipsets where this INTx routing cannot be
disabled, the Linux kernel will reroute the valid interrupt to its legacy
interrupt. This redirection of the handler will prevent the occurrence of
the spurious interrupt detection which would ordinarily disable the IRQ
-line due to excessive unhandled counts.[2]
+line due to excessive unhandled counts. [2]_
The config option X86_REROUTE_FOR_BROKEN_BOOT_IRQS exists to enable (or
disable) the redirection of the interrupt handler to the PCH interrupt
line. The option can be overridden by either pci=ioapicreroute or
-pci=noioapicreroute.[3]
+pci=noioapicreroute. [3]_
More Documentation
@@ -127,19 +131,19 @@ into the evolution of its handling with chipsets.
Example of disabling of the boot interrupt
------------------------------------------
-Intel® 6300ESB I/O Controller Hub (Document # 300641-004US)
+ - Intel® 6300ESB I/O Controller Hub (Document # 300641-004US)
5.7.3 Boot Interrupt
https://www.intel.com/content/dam/doc/datasheet/6300esb-io-controller-hub-datasheet.pdf
-Intel® Xeon® Processor E5-1600/2400/2600/4600 v3 Product Families
-Datasheet - Volume 2: Registers (Document # 330784-003)
+ - Intel® Xeon® Processor E5-1600/2400/2600/4600 v3 Product Families
+ Datasheet - Volume 2: Registers (Document # 330784-003)
6.6.41 cipintrc Coherent Interface Protocol Interrupt Control
https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/xeon-e5-v3-datasheet-vol-2.pdf
Example of handler rerouting
----------------------------
-Intel® 6700PXH 64-bit PCI Hub (Document # 302628)
+ - Intel® 6700PXH 64-bit PCI Hub (Document # 302628)
2.15.2 PCI Express Legacy INTx Support and Boot Interrupt
https://www.intel.com/content/dam/doc/datasheet/6700pxh-64-bit-pci-hub-datasheet.pdf
@@ -150,6 +154,6 @@ Cheers,
Sean V Kelley
sean.v.kelley@linux.intel.com
-[1] https://lore.kernel.org/r/12131949181903-git-send-email-sassmann@suse.de/
-[2] https://lore.kernel.org/r/12131949182094-git-send-email-sassmann@suse.de/
-[3] https://lore.kernel.org/r/487C8EA7.6020205@suse.de/
+.. [1] https://lore.kernel.org/r/12131949181903-git-send-email-sassmann@suse.de/
+.. [2] https://lore.kernel.org/r/12131949182094-git-send-email-sassmann@suse.de/
+.. [3] https://lore.kernel.org/r/487C8EA7.6020205@suse.de/
diff --git a/Documentation/RCU/Design/Requirements/Requirements.rst b/Documentation/RCU/Design/Requirements/Requirements.rst
index fd5e2cbc4935..75b8ca007a11 100644
--- a/Documentation/RCU/Design/Requirements/Requirements.rst
+++ b/Documentation/RCU/Design/Requirements/Requirements.rst
@@ -1943,56 +1943,27 @@ invoked from a CPU-hotplug notifier.
Scheduler and RCU
~~~~~~~~~~~~~~~~~
-RCU depends on the scheduler, and the scheduler uses RCU to protect some
-of its data structures. The preemptible-RCU ``rcu_read_unlock()``
-implementation must therefore be written carefully to avoid deadlocks
-involving the scheduler's runqueue and priority-inheritance locks. In
-particular, ``rcu_read_unlock()`` must tolerate an interrupt where the
-interrupt handler invokes both ``rcu_read_lock()`` and
-``rcu_read_unlock()``. This possibility requires ``rcu_read_unlock()``
-to use negative nesting levels to avoid destructive recursion via
-interrupt handler's use of RCU.
-
-This scheduler-RCU requirement came as a `complete
-surprise <https://lwn.net/Articles/453002/>`__.
-
-As noted above, RCU makes use of kthreads, and it is necessary to avoid
-excessive CPU-time accumulation by these kthreads. This requirement was
-no surprise, but RCU's violation of it when running context-switch-heavy
-workloads when built with ``CONFIG_NO_HZ_FULL=y`` `did come as a
-surprise
+RCU makes use of kthreads, and it is necessary to avoid excessive CPU-time
+accumulation by these kthreads. This requirement was no surprise, but
+RCU's violation of it when running context-switch-heavy workloads when
+built with ``CONFIG_NO_HZ_FULL=y`` `did come as a surprise
[PDF] <http://www.rdrop.com/users/paulmck/scalability/paper/BareMetal.2015.01.15b.pdf>`__.
RCU has made good progress towards meeting this requirement, even for
context-switch-heavy ``CONFIG_NO_HZ_FULL=y`` workloads, but there is
room for further improvement.
-It is forbidden to hold any of scheduler's runqueue or
-priority-inheritance spinlocks across an ``rcu_read_unlock()`` unless
-interrupts have been disabled across the entire RCU read-side critical
-section, that is, up to and including the matching ``rcu_read_lock()``.
-Violating this restriction can result in deadlocks involving these
-scheduler spinlocks. There was hope that this restriction might be
-lifted when interrupt-disabled calls to ``rcu_read_unlock()`` started
-deferring the reporting of the resulting RCU-preempt quiescent state
-until the end of the corresponding interrupts-disabled region.
-Unfortunately, timely reporting of the corresponding quiescent state to
-expedited grace periods requires a call to ``raise_softirq()``, which
-can acquire these scheduler spinlocks. In addition, real-time systems
-using RCU priority boosting need this restriction to remain in effect
-because deferred quiescent-state reporting would also defer deboosting,
-which in turn would degrade real-time latencies.
-
-In theory, if a given RCU read-side critical section could be guaranteed
-to be less than one second in duration, holding a scheduler spinlock
-across that critical section's ``rcu_read_unlock()`` would require only
-that preemption be disabled across the entire RCU read-side critical
-section, not interrupts. Unfortunately, given the possibility of vCPU
-preemption, long-running interrupts, and so on, it is not possible in
-practice to guarantee that a given RCU read-side critical section will
-complete in less than one second. Therefore, as noted above, if
-scheduler spinlocks are held across a given call to
-``rcu_read_unlock()``, interrupts must be disabled across the entire RCU
-read-side critical section.
+There is no longer any prohibition against holding any of
+scheduler's runqueue or priority-inheritance spinlocks across an
+``rcu_read_unlock()``, even if interrupts and preemption were enabled
+somewhere within the corresponding RCU read-side critical section.
+Therefore, it is now perfectly legal to execute ``rcu_read_lock()``
+with preemption enabled, acquire one of the scheduler locks, and hold
+that lock across the matching ``rcu_read_unlock()``.
+
+Similarly, the RCU flavor consolidation has removed the need for negative
+nesting. The fact that interrupt-disabled regions of code act as RCU
+read-side critical sections implicitly avoids earlier issues that used
+to result in destructive recursion via interrupt handler's use of RCU.
Tracing and RCU
~~~~~~~~~~~~~~~
diff --git a/Documentation/admin-guide/acpi/ssdt-overlays.rst b/Documentation/admin-guide/acpi/ssdt-overlays.rst
index da37455f96c9..5d7e25988085 100644
--- a/Documentation/admin-guide/acpi/ssdt-overlays.rst
+++ b/Documentation/admin-guide/acpi/ssdt-overlays.rst
@@ -63,7 +63,7 @@ which can then be compiled to AML binary format::
ASL Input: minnomax.asl - 30 lines, 614 bytes, 7 keywords
AML Output: minnowmax.aml - 165 bytes, 6 named objects, 1 executable opcodes
-[1] http://wiki.minnowboard.org/MinnowBoard_MAX#Low_Speed_Expansion_Connector_.28Top.29
+[1] https://www.elinux.org/Minnowboard:MinnowMax#Low_Speed_Expansion_.28Top.29
The resulting AML code can then be loaded by the kernel using one of the methods
below.
diff --git a/Documentation/admin-guide/bug-hunting.rst b/Documentation/admin-guide/bug-hunting.rst
index 44b8a4edd348..f7c80f4649fc 100644
--- a/Documentation/admin-guide/bug-hunting.rst
+++ b/Documentation/admin-guide/bug-hunting.rst
@@ -49,15 +49,19 @@ the issue, it may also contain the word **Oops**, as on this one::
Despite being an **Oops** or some other sort of stack trace, the offended
line is usually required to identify and handle the bug. Along this chapter,
-we'll refer to "Oops" for all kinds of stack traces that need to be analized.
+we'll refer to "Oops" for all kinds of stack traces that need to be analyzed.
-.. note::
+If the kernel is compiled with ``CONFIG_DEBUG_INFO``, you can enhance the
+quality of the stack trace by using file:`scripts/decode_stacktrace.sh`.
+
+Modules linked in
+-----------------
+
+Modules that are tainted or are being loaded or unloaded are marked with
+"(...)", where the taint flags are described in
+file:`Documentation/admin-guide/tainted-kernels.rst`, "being loaded" is
+annotated with "+", and "being unloaded" is annotated with "-".
- ``ksymoops`` is useless on 2.6 or upper. Please use the Oops in its original
- format (from ``dmesg``, etc). Ignore any references in this or other docs to
- "decoding the Oops" or "running it through ksymoops".
- If you post an Oops from 2.6+ that has been run through ``ksymoops``,
- people will just tell you to repost it.
Where is the Oops message is located?
-------------------------------------
@@ -71,7 +75,7 @@ by running ``journalctl`` command.
Sometimes ``klogd`` dies, in which case you can run ``dmesg > file`` to
read the data from the kernel buffers and save it. Or you can
``cat /proc/kmsg > file``, however you have to break in to stop the transfer,
-``kmsg`` is a "never ending file".
+since ``kmsg`` is a "never ending file".
If the machine has crashed so badly that you cannot enter commands or
the disk is not available then you have three options:
@@ -81,9 +85,9 @@ the disk is not available then you have three options:
planned for a crash. Alternatively, you can take a picture of
the screen with a digital camera - not nice, but better than
nothing. If the messages scroll off the top of the console, you
- may find that booting with a higher resolution (eg, ``vga=791``)
+ may find that booting with a higher resolution (e.g., ``vga=791``)
will allow you to read more of the text. (Caveat: This needs ``vesafb``,
- so won't help for 'early' oopses)
+ so won't help for 'early' oopses.)
(2) Boot with a serial console (see
:ref:`Documentation/admin-guide/serial-console.rst <serial_console>`),
@@ -104,7 +108,7 @@ Kernel source file. There are two methods for doing that. Usually, using
gdb
^^^
-The GNU debug (``gdb``) is the best way to figure out the exact file and line
+The GNU debugger (``gdb``) is the best way to figure out the exact file and line
number of the OOPS from the ``vmlinux`` file.
The usage of gdb works best on a kernel compiled with ``CONFIG_DEBUG_INFO``.
@@ -165,7 +169,7 @@ If you have a call trace, such as::
[<ffffffff8802770b>] :jbd:journal_stop+0x1be/0x1ee
...
-this shows the problem likely in the :jbd: module. You can load that module
+this shows the problem likely is in the :jbd: module. You can load that module
in gdb and list the relevant code::
$ gdb fs/jbd/jbd.ko
@@ -199,8 +203,9 @@ in the kernel hacking menu of the menu configuration.) For example::
You need to be at the top level of the kernel tree for this to pick up
your C files.
-If you don't have access to the code you can also debug on some crash dumps
-e.g. crash dump output as shown by Dave Miller::
+If you don't have access to the source code you can still debug some crash
+dumps using the following method (example crash dump output as shown by
+Dave Miller)::
EIP is at +0x14/0x4c0
...
@@ -230,6 +235,9 @@ e.g. crash dump output as shown by Dave Miller::
mov 0x8(%ebp), %ebx ! %ebx = skb->sk
mov 0x13c(%ebx), %eax ! %eax = inet_sk(sk)->opt
+file:`scripts/decodecode` can be used to automate most of this, depending
+on what CPU architecture is being debugged.
+
Reporting the bug
-----------------
@@ -241,7 +249,7 @@ used for the development of the affected code. This can be done by using
the ``get_maintainer.pl`` script.
For example, if you find a bug at the gspca's sonixj.c file, you can get
-their maintainers with::
+its maintainers with::
$ ./scripts/get_maintainer.pl -f drivers/media/usb/gspca/sonixj.c
Hans Verkuil <hverkuil@xs4all.nl> (odd fixer:GSPCA USB WEBCAM DRIVER,commit_signer:1/1=100%)
@@ -253,16 +261,17 @@ their maintainers with::
Please notice that it will point to:
-- The last developers that touched on the source code. On the above example,
- Tejun and Bhaktipriya (in this specific case, none really envolved on the
- development of this file);
+- The last developers that touched the source code (if this is done inside
+ a git tree). On the above example, Tejun and Bhaktipriya (in this
+ specific case, none really envolved on the development of this file);
- The driver maintainer (Hans Verkuil);
- The subsystem maintainer (Mauro Carvalho Chehab);
- The driver and/or subsystem mailing list (linux-media@vger.kernel.org);
- the Linux Kernel mailing list (linux-kernel@vger.kernel.org).
Usually, the fastest way to have your bug fixed is to report it to mailing
-list used for the development of the code (linux-media ML) copying the driver maintainer (Hans).
+list used for the development of the code (linux-media ML) copying the
+driver maintainer (Hans).
If you are totally stumped as to whom to send the report, and
``get_maintainer.pl`` didn't provide you anything useful, send it to
@@ -303,9 +312,9 @@ protection fault message can be simply cut out of the message files
and forwarded to the kernel developers.
Two types of address resolution are performed by ``klogd``. The first is
-static translation and the second is dynamic translation. Static
-translation uses the System.map file in much the same manner that
-ksymoops does. In order to do static translation the ``klogd`` daemon
+static translation and the second is dynamic translation.
+Static translation uses the System.map file.
+In order to do static translation the ``klogd`` daemon
must be able to find a system map file at daemon initialization time.
See the klogd man page for information on how ``klogd`` searches for map
files.
diff --git a/Documentation/admin-guide/cgroup-v1/memory.rst b/Documentation/admin-guide/cgroup-v1/memory.rst
index 0ae4f564c2d6..12757e63b26c 100644
--- a/Documentation/admin-guide/cgroup-v1/memory.rst
+++ b/Documentation/admin-guide/cgroup-v1/memory.rst
@@ -199,11 +199,11 @@ An RSS page is unaccounted when it's fully unmapped. A PageCache page is
unaccounted when it's removed from radix-tree. Even if RSS pages are fully
unmapped (by kswapd), they may exist as SwapCache in the system until they
are really freed. Such SwapCaches are also accounted.
-A swapped-in page is not accounted until it's mapped.
+A swapped-in page is accounted after adding into swapcache.
Note: The kernel does swapin-readahead and reads multiple swaps at once.
-This means swapped-in pages may contain pages for other tasks than a task
-causing page fault. So, we avoid accounting at swap-in I/O.
+Since page's memcg recorded into swap whatever memsw enabled, the page will
+be accounted after swapin.
At page migration, accounting information is kept.
@@ -222,18 +222,13 @@ the cgroup that brought it in -- this will happen on memory pressure).
But see section 8.2: when moving a task to another cgroup, its pages may
be recharged to the new cgroup, if move_charge_at_immigrate has been chosen.
-Exception: If CONFIG_MEMCG_SWAP is not used.
-When you do swapoff and make swapped-out pages of shmem(tmpfs) to
-be backed into memory in force, charges for pages are accounted against the
-caller of swapoff rather than the users of shmem.
-
-2.4 Swap Extension (CONFIG_MEMCG_SWAP)
+2.4 Swap Extension
--------------------------------------
-Swap Extension allows you to record charge for swap. A swapped-in page is
-charged back to original page allocator if possible.
+Swap usage is always recorded for each of cgroup. Swap Extension allows you to
+read and limit it.
-When swap is accounted, following files are added.
+When CONFIG_SWAP is enabled, following files are added.
- memory.memsw.usage_in_bytes.
- memory.memsw.limit_in_bytes.
diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index bcc80269bb6a..b8c0460730f3 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1329,6 +1329,10 @@ PAGE_SIZE multiple when read back.
workingset_activate
Number of refaulted pages that were immediately activated
+ workingset_restore
+ Number of restored pages which have been detected as an active
+ workingset before they got reclaimed.
+
workingset_nodereclaim
Number of times a shadow node has been reclaimed
@@ -1370,6 +1374,22 @@ PAGE_SIZE multiple when read back.
The total amount of swap currently being used by the cgroup
and its descendants.
+ memory.swap.high
+ A read-write single value file which exists on non-root
+ cgroups. The default is "max".
+
+ Swap usage throttle limit. If a cgroup's swap usage exceeds
+ this limit, all its further allocations will be throttled to
+ allow userspace to implement custom out-of-memory procedures.
+
+ This limit marks a point of no return for the cgroup. It is NOT
+ designed to manage the amount of swapping a workload does
+ during regular operation. Compare to memory.swap.max, which
+ prohibits swapping past a set amount, but lets the cgroup
+ continue unimpeded as long as other memory can be reclaimed.
+
+ Healthy workloads are not expected to reach this limit.
+
memory.swap.max
A read-write single value file which exists on non-root
cgroups. The default is "max".
@@ -1383,6 +1403,10 @@ PAGE_SIZE multiple when read back.
otherwise, a value change in this file generates a file
modified event.
+ high
+ The number of times the cgroup's swap usage was over
+ the high threshold.
+
max
The number of times the cgroup's swap usage was about
to go over the max boundary and swap allocation
diff --git a/Documentation/admin-guide/cpu-load.rst b/Documentation/admin-guide/cpu-load.rst
index 2d01ce43d2a2..ebdecf864080 100644
--- a/Documentation/admin-guide/cpu-load.rst
+++ b/Documentation/admin-guide/cpu-load.rst
@@ -105,7 +105,7 @@ References
----------
- http://lkml.org/lkml/2007/2/12/6
-- Documentation/filesystems/proc.txt (1.8)
+- Documentation/filesystems/proc.rst (1.8)
Thanks
diff --git a/Documentation/admin-guide/device-mapper/dm-integrity.rst b/Documentation/admin-guide/device-mapper/dm-integrity.rst
index c00f9f11e3f3..8439d2ae689b 100644
--- a/Documentation/admin-guide/device-mapper/dm-integrity.rst
+++ b/Documentation/admin-guide/device-mapper/dm-integrity.rst
@@ -182,12 +182,15 @@ fix_padding
space-efficient. If this option is not present, large padding is
used - that is for compatibility with older kernels.
-
-The journal mode (D/J), buffer_sectors, journal_watermark, commit_time can
-be changed when reloading the target (load an inactive table and swap the
-tables with suspend and resume). The other arguments should not be changed
-when reloading the target because the layout of disk data depend on them
-and the reloaded target would be non-functional.
+allow_discards
+ Allow block discard requests (a.k.a. TRIM) for the integrity device.
+ Discards are only allowed to devices using internal hash.
+
+The journal mode (D/J), buffer_sectors, journal_watermark, commit_time and
+allow_discards can be changed when reloading the target (load an inactive
+table and swap the tables with suspend and resume). The other arguments
+should not be changed when reloading the target because the layout of disk
+data depend on them and the reloaded target would be non-functional.
The layout of the formatted block device:
diff --git a/Documentation/admin-guide/hw-vuln/l1tf.rst b/Documentation/admin-guide/hw-vuln/l1tf.rst
index f83212fae4d5..3eeeb488d955 100644
--- a/Documentation/admin-guide/hw-vuln/l1tf.rst
+++ b/Documentation/admin-guide/hw-vuln/l1tf.rst
@@ -268,7 +268,7 @@ Guest mitigation mechanisms
/proc/irq/$NR/smp_affinity[_list] files. Limited documentation is
available at:
- https://www.kernel.org/doc/Documentation/IRQ-affinity.txt
+ https://www.kernel.org/doc/Documentation/core-api/irq/irq-affinity.rst
.. _smt_control:
diff --git a/Documentation/admin-guide/init.rst b/Documentation/admin-guide/init.rst
index e89d97f31eaf..41f06a09152e 100644
--- a/Documentation/admin-guide/init.rst
+++ b/Documentation/admin-guide/init.rst
@@ -1,52 +1,48 @@
-Explaining the dreaded "No init found." boot hang message
+Explaining the "No working init found." boot hang message
=========================================================
+:Authors: Andreas Mohr <andi at lisas period de>
+ Cristian Souza <cristianmsbr at gmail period com>
-OK, so you've got this pretty unintuitive message (currently located
-in init/main.c) and are wondering what the H*** went wrong.
-Some high-level reasons for failure (listed roughly in order of execution)
-to load the init binary are:
-
-A) Unable to mount root FS
-B) init binary doesn't exist on rootfs
-C) broken console device
-D) binary exists but dependencies not available
-E) binary cannot be loaded
-
-Detailed explanations:
-
-A) Set "debug" kernel parameter (in bootloader config file or CONFIG_CMDLINE)
- to get more detailed kernel messages.
-B) make sure you have the correct root FS type
- (and ``root=`` kernel parameter points to the correct partition),
- required drivers such as storage hardware (such as SCSI or USB!)
- and filesystem (ext3, jffs2 etc.) are builtin (alternatively as modules,
- to be pre-loaded by an initrd)
-C) Possibly a conflict in ``console= setup`` --> initial console unavailable.
- E.g. some serial consoles are unreliable due to serial IRQ issues (e.g.
- missing interrupt-based configuration).
+This document provides some high-level reasons for failure
+(listed roughly in order of execution) to load the init binary.
+
+1) **Unable to mount root FS**: Set "debug" kernel parameter (in bootloader
+ config file or CONFIG_CMDLINE) to get more detailed kernel messages.
+
+2) **init binary doesn't exist on rootfs**: Make sure you have the correct
+ root FS type (and ``root=`` kernel parameter points to the correct
+ partition), required drivers such as storage hardware (such as SCSI or
+ USB!) and filesystem (ext3, jffs2, etc.) are builtin (alternatively as
+ modules, to be pre-loaded by an initrd).
+
+3) **Broken console device**: Possibly a conflict in ``console= setup``
+ --> initial console unavailable. E.g. some serial consoles are unreliable
+ due to serial IRQ issues (e.g. missing interrupt-based configuration).
Try using a different ``console= device`` or e.g. ``netconsole=``.
-D) e.g. required library dependencies of the init binary such as
- ``/lib/ld-linux.so.2`` missing or broken. Use
- ``readelf -d <INIT>|grep NEEDED`` to find out which libraries are required.
-E) make sure the binary's architecture matches your hardware.
- E.g. i386 vs. x86_64 mismatch, or trying to load x86 on ARM hardware.
- In case you tried loading a non-binary file here (shell script?),
- you should make sure that the script specifies an interpreter in its shebang
- header line (``#!/...``) that is fully working (including its library
- dependencies). And before tackling scripts, better first test a simple
- non-script binary such as ``/bin/sh`` and confirm its successful execution.
- To find out more, add code ``to init/main.c`` to display kernel_execve()s
- return values.
+
+4) **Binary exists but dependencies not available**: E.g. required library
+ dependencies of the init binary such as ``/lib/ld-linux.so.2`` missing or
+ broken. Use ``readelf -d <INIT>|grep NEEDED`` to find out which libraries
+ are required.
+
+5) **Binary cannot be loaded**: Make sure the binary's architecture matches
+ your hardware. E.g. i386 vs. x86_64 mismatch, or trying to load x86 on ARM
+ hardware. In case you tried loading a non-binary file here (shell script?),
+ you should make sure that the script specifies an interpreter in its
+ shebang header line (``#!/...``) that is fully working (including its
+ library dependencies). And before tackling scripts, better first test a
+ simple non-script binary such as ``/bin/sh`` and confirm its successful
+ execution. To find out more, add code ``to init/main.c`` to display
+ kernel_execve()s return values.
Please extend this explanation whenever you find new failure causes
(after all loading the init binary is a CRITICAL and hard transition step
-which needs to be made as painless as possible), then submit patch to LKML.
+which needs to be made as painless as possible), then submit a patch to LKML.
Further TODOs:
- Implement the various ``run_init_process()`` invocations via a struct array
which can then store the ``kernel_execve()`` result value and on failure
log it all by iterating over **all** results (very important usability fix).
-- try to make the implementation itself more helpful in general,
- e.g. by providing additional error messages at affected places.
+- Try to make the implementation itself more helpful in general, e.g. by
+ providing additional error messages at affected places.
-Andreas Mohr <andi at lisas period de>
diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
index 007a6b86e0ee..e4ee8b2db604 100644
--- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
+++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
@@ -393,6 +393,12 @@ KERNELOFFSET
The kernel randomization offset. Used to compute the page offset. If
KASLR is disabled, this value is zero.
+KERNELPACMASK
+-------------
+
+The mask to extract the Pointer Authentication Code from a kernel virtual
+address.
+
arm
===
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 3ed0b42ca6f0..89386f6f3ab6 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -356,7 +356,7 @@
shot down by NMI
autoconf= [IPV6]
- See Documentation/networking/ipv6.txt.
+ See Documentation/networking/ipv6.rst.
show_lapic= [APIC,X86] Advanced Programmable Interrupt Controller
Limit apic dumping. The parameter defines the maximal
@@ -638,7 +638,7 @@
See Documentation/admin-guide/serial-console.rst for more
information. See
- Documentation/networking/netconsole.txt for an
+ Documentation/networking/netconsole.rst for an
alternative.
uart[8250],io,<addr>[,options]
@@ -831,15 +831,18 @@
decnet.addr= [HW,NET]
Format: <area>[,<node>]
- See also Documentation/networking/decnet.txt.
+ See also Documentation/networking/decnet.rst.
default_hugepagesz=
- [same as hugepagesz=] The size of the default
- HugeTLB page size. This is the size represented by
- the legacy /proc/ hugepages APIs, used for SHM, and
- default size when mounting hugetlbfs filesystems.
- Defaults to the default architecture's huge page size
- if not specified.
+ [HW] The size of the default HugeTLB page. This is
+ the size represented by the legacy /proc/ hugepages
+ APIs. In addition, this is the default hugetlb size
+ used for shmget(), mmap() and mounting hugetlbfs
+ filesystems. If not specified, defaults to the
+ architecture's default huge page size. Huge page
+ sizes are architecture dependent. See also
+ Documentation/admin-guide/mm/hugetlbpage.rst.
+ Format: size[KMG]
deferred_probe_timeout=
[KNL] Debugging option to set a timeout in seconds for
@@ -872,7 +875,7 @@
miss to occur.
disable= [IPV6]
- See Documentation/networking/ipv6.txt.
+ See Documentation/networking/ipv6.rst.
hardened_usercopy=
[KNL] Under CONFIG_HARDENED_USERCOPY, whether
@@ -912,7 +915,7 @@
to workaround buggy firmware.
disable_ipv6= [IPV6]
- See Documentation/networking/ipv6.txt.
+ See Documentation/networking/ipv6.rst.
disable_mtrr_cleanup [X86]
The kernel tries to adjust MTRR layout from continuous
@@ -1190,6 +1193,11 @@
This is designed to be used in conjunction with
the boot argument: earlyprintk=vga
+ This parameter works in place of the kgdboc parameter
+ but can only be used if the backing tty is available
+ very early in the boot process. For early debugging
+ via a serial port see kgdboc_earlycon instead.
+
edd= [EDD]
Format: {"off" | "on" | "skip[mbr]"}
@@ -1479,13 +1487,24 @@
hugepages using the cma allocator. If enabled, the
boot-time allocation of gigantic hugepages is skipped.
- hugepages= [HW,X86-32,IA-64] HugeTLB pages to allocate at boot.
- hugepagesz= [HW,IA-64,PPC,X86-64] The size of the HugeTLB pages.
- On x86-64 and powerpc, this option can be specified
- multiple times interleaved with hugepages= to reserve
- huge pages of different sizes. Valid pages sizes on
- x86-64 are 2M (when the CPU supports "pse") and 1G
- (when the CPU supports the "pdpe1gb" cpuinfo flag).
+ hugepages= [HW] Number of HugeTLB pages to allocate at boot.
+ If this follows hugepagesz (below), it specifies
+ the number of pages of hugepagesz to be allocated.
+ If this is the first HugeTLB parameter on the command
+ line, it specifies the number of pages to allocate for
+ the default huge page size. See also
+ Documentation/admin-guide/mm/hugetlbpage.rst.
+ Format: <integer>
+
+ hugepagesz=
+ [HW] The size of the HugeTLB pages. This is used in
+ conjunction with hugepages (above) to allocate huge
+ pages of a specific size at boot. The pair
+ hugepagesz=X hugepages=Y can be specified once for
+ each supported huge page size. Huge page sizes are
+ architecture dependent. See also
+ Documentation/admin-guide/mm/hugetlbpage.rst.
+ Format: size[KMG]
hung_task_panic=
[KNL] Should the hung task detector generate panics.
@@ -1748,6 +1767,13 @@
initrd= [BOOT] Specify the location of the initial ramdisk
+ initrdmem= [KNL] Specify a physical address and size from which to
+ load the initrd. If an initrd is compiled in or
+ specified in the bootparams, it takes priority over this
+ setting.
+ Format: ss[KMG],nn[KMG]
+ Default is 0, 0
+
init_on_alloc= [MM] Fill newly allocated pages and heap objects with
zeroes.
Format: 0 | 1
@@ -2105,6 +2131,21 @@
kms, kbd format: kms,kbd
kms, kbd and serial format: kms,kbd,<ser_dev>[,baud]
+ kgdboc_earlycon= [KGDB,HW]
+ If the boot console provides the ability to read
+ characters and can work in polling mode, you can use
+ this parameter to tell kgdb to use it as a backend
+ until the normal console is registered. Intended to
+ be used together with the kgdboc parameter which
+ specifies the normal console to transition to.
+
+ The name of the early console should be specified
+ as the value of this parameter. Note that the name of
+ the early console might be different than the tty
+ name passed to kgdboc. It's OK to leave the value
+ blank and the first boot console that implements
+ read() will be picked.
+
kgdbwait [KGDB] Stop kernel execution and enter the
kernel debugger at the earliest opportunity.
@@ -3329,7 +3370,7 @@
See Documentation/admin-guide/sysctl/vm.rst for details.
ohci1394_dma=early [HW] enable debugging via the ohci1394 driver.
- See Documentation/debugging-via-ohci1394.txt for more
+ See Documentation/core-api/debugging-via-ohci1394.rst for more
info.
olpc_ec_timeout= [OLPC] ms delay when issuing EC commands
@@ -4210,12 +4251,24 @@
Duration of CPU stall (s) to test RCU CPU stall
warnings, zero to disable.
+ rcutorture.stall_cpu_block= [KNL]
+ Sleep while stalling if set. This will result
+ in warnings from preemptible RCU in addition
+ to any other stall-related activity.
+
rcutorture.stall_cpu_holdoff= [KNL]
Time to wait (s) after boot before inducing stall.
rcutorture.stall_cpu_irqsoff= [KNL]
Disable interrupts while stalling if set.
+ rcutorture.stall_gp_kthread= [KNL]
+ Duration (s) of forced sleep within RCU
+ grace-period kthread to test RCU CPU stall
+ warnings, zero to disable. If both stall_cpu
+ and stall_gp_kthread are specified, the
+ kthread is starved first, then the CPU.
+
rcutorture.stat_interval= [KNL]
Time (s) between statistics printk()s.
@@ -4286,6 +4339,13 @@
only normal grace-period primitives. No effect
on CONFIG_TINY_RCU kernels.
+ rcupdate.rcu_task_ipi_delay= [KNL]
+ Set time in jiffies during which RCU tasks will
+ avoid sending IPIs, starting with the beginning
+ of a given grace period. Setting a large
+ number avoids disturbing real-time workloads,
+ but lengthens grace periods.
+
rcupdate.rcu_task_stall_timeout= [KNL]
Set timeout in jiffies for RCU task stall warning
messages. Disable with a value less than or equal
@@ -4910,7 +4970,7 @@
Set the number of tcp_metrics_hash slots.
Default value is 8192 or 16384 depending on total
ram pages. This is used to specify the TCP metrics
- cache size. See Documentation/networking/ip-sysctl.txt
+ cache size. See Documentation/networking/ip-sysctl.rst
"tcp_no_metrics_save" section for more details.
tdfx= [HW,DRM]
@@ -5067,6 +5127,12 @@
interruptions from clocksource watchdog are not
acceptable).
+ tsc_early_khz= [X86] Skip early TSC calibration and use the given
+ value instead. Useful when the early TSC frequency discovery
+ procedure is not reliable, such as on overclocked systems
+ with CPUID.16h support and partial CPUID.15h support.
+ Format: <unsigned int>
+
tsx= [X86] Control Transactional Synchronization
Extensions (TSX) feature in Intel processors that
support TSX control.
@@ -5187,8 +5253,7 @@
usbcore.old_scheme_first=
[USB] Start with the old device initialization
- scheme, applies only to low and full-speed devices
- (default 0 = off).
+ scheme (default 0 = off).
usbcore.usbfs_memory_mb=
[USB] Memory limit (in MB) for buffers allocated by
diff --git a/Documentation/admin-guide/kernel-per-CPU-kthreads.rst b/Documentation/admin-guide/kernel-per-CPU-kthreads.rst
index 21818aca4708..dc36aeb65d0a 100644
--- a/Documentation/admin-guide/kernel-per-CPU-kthreads.rst
+++ b/Documentation/admin-guide/kernel-per-CPU-kthreads.rst
@@ -10,7 +10,7 @@ them to a "housekeeping" CPU dedicated to such work.
References
==========
-- Documentation/IRQ-affinity.txt: Binding interrupts to sets of CPUs.
+- Documentation/core-api/irq/irq-affinity.rst: Binding interrupts to sets of CPUs.
- Documentation/admin-guide/cgroup-v1: Using cgroups to bind tasks to sets of CPUs.
diff --git a/Documentation/admin-guide/mm/hugetlbpage.rst b/Documentation/admin-guide/mm/hugetlbpage.rst
index 1cc0bc78d10e..5026e58826e2 100644
--- a/Documentation/admin-guide/mm/hugetlbpage.rst
+++ b/Documentation/admin-guide/mm/hugetlbpage.rst
@@ -100,6 +100,41 @@ with a huge page size selection parameter "hugepagesz=<size>". <size> must
be specified in bytes with optional scale suffix [kKmMgG]. The default huge
page size may be selected with the "default_hugepagesz=<size>" boot parameter.
+Hugetlb boot command line parameter semantics
+hugepagesz - Specify a huge page size. Used in conjunction with hugepages
+ parameter to preallocate a number of huge pages of the specified
+ size. Hence, hugepagesz and hugepages are typically specified in
+ pairs such as:
+ hugepagesz=2M hugepages=512
+ hugepagesz can only be specified once on the command line for a
+ specific huge page size. Valid huge page sizes are architecture
+ dependent.
+hugepages - Specify the number of huge pages to preallocate. This typically
+ follows a valid hugepagesz or default_hugepagesz parameter. However,
+ if hugepages is the first or only hugetlb command line parameter it
+ implicitly specifies the number of huge pages of default size to
+ allocate. If the number of huge pages of default size is implicitly
+ specified, it can not be overwritten by a hugepagesz,hugepages
+ parameter pair for the default size.
+ For example, on an architecture with 2M default huge page size:
+ hugepages=256 hugepagesz=2M hugepages=512
+ will result in 256 2M huge pages being allocated and a warning message
+ indicating that the hugepages=512 parameter is ignored. If a hugepages
+ parameter is preceded by an invalid hugepagesz parameter, it will
+ be ignored.
+default_hugepagesz - Specify the default huge page size. This parameter can
+ only be specified once on the command line. default_hugepagesz can
+ optionally be followed by the hugepages parameter to preallocate a
+ specific number of huge pages of default size. The number of default
+ sized huge pages to preallocate can also be implicitly specified as
+ mentioned in the hugepages section above. Therefore, on an
+ architecture with 2M default huge page size:
+ hugepages=256
+ default_hugepagesz=2M hugepages=256
+ hugepages=256 default_hugepagesz=2M
+ will all result in 256 2M huge pages being allocated. Valid default
+ huge page size is architecture dependent.
+
When multiple huge page sizes are supported, ``/proc/sys/vm/nr_hugepages``
indicates the current number of pre-allocated huge pages of the default size.
Thus, one can use the following command to dynamically allocate/deallocate
diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
index 2f31de8f7c74..6a233e42be08 100644
--- a/Documentation/admin-guide/mm/transhuge.rst
+++ b/Documentation/admin-guide/mm/transhuge.rst
@@ -220,6 +220,13 @@ memory. A lower value can prevent THPs from being
collapsed, resulting fewer pages being collapsed into
THPs, and lower memory access performance.
+``max_ptes_shared`` specifies how many pages can be shared across multiple
+processes. Exceeding the number would block the collapse::
+
+ /sys/kernel/mm/transparent_hugepage/khugepaged/max_ptes_shared
+
+A higher value may increase memory footprint for some workloads.
+
Boot parameter
==============
diff --git a/Documentation/admin-guide/mm/userfaultfd.rst b/Documentation/admin-guide/mm/userfaultfd.rst
index c30176e67900..0bf49d7313ad 100644
--- a/Documentation/admin-guide/mm/userfaultfd.rst
+++ b/Documentation/admin-guide/mm/userfaultfd.rst
@@ -12,107 +12,107 @@ and more generally they allow userland to take control of various
memory page faults, something otherwise only the kernel code could do.
For example userfaults allows a proper and more optimal implementation
-of the PROT_NONE+SIGSEGV trick.
+of the ``PROT_NONE+SIGSEGV`` trick.
Design
======
-Userfaults are delivered and resolved through the userfaultfd syscall.
+Userfaults are delivered and resolved through the ``userfaultfd`` syscall.
-The userfaultfd (aside from registering and unregistering virtual
+The ``userfaultfd`` (aside from registering and unregistering virtual
memory ranges) provides two primary functionalities:
-1) read/POLLIN protocol to notify a userland thread of the faults
+1) ``read/POLLIN`` protocol to notify a userland thread of the faults
happening
-2) various UFFDIO_* ioctls that can manage the virtual memory regions
- registered in the userfaultfd that allows userland to efficiently
+2) various ``UFFDIO_*`` ioctls that can manage the virtual memory regions
+ registered in the ``userfaultfd`` that allows userland to efficiently
resolve the userfaults it receives via 1) or to manage the virtual
memory in the background
The real advantage of userfaults if compared to regular virtual memory
management of mremap/mprotect is that the userfaults in all their
operations never involve heavyweight structures like vmas (in fact the
-userfaultfd runtime load never takes the mmap_sem for writing).
+``userfaultfd`` runtime load never takes the mmap_sem for writing).
Vmas are not suitable for page- (or hugepage) granular fault tracking
when dealing with virtual address spaces that could span
Terabytes. Too many vmas would be needed for that.
-The userfaultfd once opened by invoking the syscall, can also be
+The ``userfaultfd`` once opened by invoking the syscall, can also be
passed using unix domain sockets to a manager process, so the same
manager process could handle the userfaults of a multitude of
different processes without them being aware about what is going on
-(well of course unless they later try to use the userfaultfd
+(well of course unless they later try to use the ``userfaultfd``
themselves on the same region the manager is already tracking, which
-is a corner case that would currently return -EBUSY).
+is a corner case that would currently return ``-EBUSY``).
API
===
-When first opened the userfaultfd must be enabled invoking the
-UFFDIO_API ioctl specifying a uffdio_api.api value set to UFFD_API (or
-a later API version) which will specify the read/POLLIN protocol
-userland intends to speak on the UFFD and the uffdio_api.features
-userland requires. The UFFDIO_API ioctl if successful (i.e. if the
-requested uffdio_api.api is spoken also by the running kernel and the
+When first opened the ``userfaultfd`` must be enabled invoking the
+``UFFDIO_API`` ioctl specifying a ``uffdio_api.api`` value set to ``UFFD_API`` (or
+a later API version) which will specify the ``read/POLLIN`` protocol
+userland intends to speak on the ``UFFD`` and the ``uffdio_api.features``
+userland requires. The ``UFFDIO_API`` ioctl if successful (i.e. if the
+requested ``uffdio_api.api`` is spoken also by the running kernel and the
requested features are going to be enabled) will return into
-uffdio_api.features and uffdio_api.ioctls two 64bit bitmasks of
+``uffdio_api.features`` and ``uffdio_api.ioctls`` two 64bit bitmasks of
respectively all the available features of the read(2) protocol and
the generic ioctl available.
-The uffdio_api.features bitmask returned by the UFFDIO_API ioctl
-defines what memory types are supported by the userfaultfd and what
+The ``uffdio_api.features`` bitmask returned by the ``UFFDIO_API`` ioctl
+defines what memory types are supported by the ``userfaultfd`` and what
events, except page fault notifications, may be generated.
-If the kernel supports registering userfaultfd ranges on hugetlbfs
-virtual memory areas, UFFD_FEATURE_MISSING_HUGETLBFS will be set in
-uffdio_api.features. Similarly, UFFD_FEATURE_MISSING_SHMEM will be
-set if the kernel supports registering userfaultfd ranges on shared
-memory (covering all shmem APIs, i.e. tmpfs, IPCSHM, /dev/zero
-MAP_SHARED, memfd_create, etc).
+If the kernel supports registering ``userfaultfd`` ranges on hugetlbfs
+virtual memory areas, ``UFFD_FEATURE_MISSING_HUGETLBFS`` will be set in
+``uffdio_api.features``. Similarly, ``UFFD_FEATURE_MISSING_SHMEM`` will be
+set if the kernel supports registering ``userfaultfd`` ranges on shared
+memory (covering all shmem APIs, i.e. tmpfs, ``IPCSHM``, ``/dev/zero``,
+``MAP_SHARED``, ``memfd_create``, etc).
-The userland application that wants to use userfaultfd with hugetlbfs
+The userland application that wants to use ``userfaultfd`` with hugetlbfs
or shared memory need to set the corresponding flag in
-uffdio_api.features to enable those features.
+``uffdio_api.features`` to enable those features.
If the userland desires to receive notifications for events other than
-page faults, it has to verify that uffdio_api.features has appropriate
-UFFD_FEATURE_EVENT_* bits set. These events are described in more
-detail below in "Non-cooperative userfaultfd" section.
-
-Once the userfaultfd has been enabled the UFFDIO_REGISTER ioctl should
-be invoked (if present in the returned uffdio_api.ioctls bitmask) to
-register a memory range in the userfaultfd by setting the
-uffdio_register structure accordingly. The uffdio_register.mode
+page faults, it has to verify that ``uffdio_api.features`` has appropriate
+``UFFD_FEATURE_EVENT_*`` bits set. These events are described in more
+detail below in `Non-cooperative userfaultfd`_ section.
+
+Once the ``userfaultfd`` has been enabled the ``UFFDIO_REGISTER`` ioctl should
+be invoked (if present in the returned ``uffdio_api.ioctls`` bitmask) to
+register a memory range in the ``userfaultfd`` by setting the
+uffdio_register structure accordingly. The ``uffdio_register.mode``
bitmask will specify to the kernel which kind of faults to track for
-the range (UFFDIO_REGISTER_MODE_MISSING would track missing
-pages). The UFFDIO_REGISTER ioctl will return the
-uffdio_register.ioctls bitmask of ioctls that are suitable to resolve
+the range (``UFFDIO_REGISTER_MODE_MISSING`` would track missing
+pages). The ``UFFDIO_REGISTER`` ioctl will return the
+``uffdio_register.ioctls`` bitmask of ioctls that are suitable to resolve
userfaults on the range registered. Not all ioctls will necessarily be
supported for all memory types depending on the underlying virtual
memory backend (anonymous memory vs tmpfs vs real filebacked
mappings).
-Userland can use the uffdio_register.ioctls to manage the virtual
+Userland can use the ``uffdio_register.ioctls`` to manage the virtual
address space in the background (to add or potentially also remove
-memory from the userfaultfd registered range). This means a userfault
+memory from the ``userfaultfd`` registered range). This means a userfault
could be triggering just before userland maps in the background the
user-faulted page.
-The primary ioctl to resolve userfaults is UFFDIO_COPY. That
+The primary ioctl to resolve userfaults is ``UFFDIO_COPY``. That
atomically copies a page into the userfault registered range and wakes
-up the blocked userfaults (unless uffdio_copy.mode &
-UFFDIO_COPY_MODE_DONTWAKE is set). Other ioctl works similarly to
-UFFDIO_COPY. They're atomic as in guaranteeing that nothing can see an
-half copied page since it'll keep userfaulting until the copy has
-finished.
+up the blocked userfaults
+(unless ``uffdio_copy.mode & UFFDIO_COPY_MODE_DONTWAKE`` is set).
+Other ioctl works similarly to ``UFFDIO_COPY``. They're atomic as in
+guaranteeing that nothing can see an half copied page since it'll
+keep userfaulting until the copy has finished.
Notes:
-- If you requested UFFDIO_REGISTER_MODE_MISSING when registering then
+- If you requested ``UFFDIO_REGISTER_MODE_MISSING`` when registering then
you must provide some kind of page in your thread after reading from
- the uffd. You must provide either UFFDIO_COPY or UFFDIO_ZEROPAGE.
+ the uffd. You must provide either ``UFFDIO_COPY`` or ``UFFDIO_ZEROPAGE``.
The normal behavior of the OS automatically providing a zero page on
an annonymous mmaping is not in place.
@@ -122,13 +122,13 @@ Notes:
- You get the address of the access that triggered the missing page
event out of a struct uffd_msg that you read in the thread from the
- uffd. You can supply as many pages as you want with UFFDIO_COPY or
- UFFDIO_ZEROPAGE. Keep in mind that unless you used DONTWAKE then
+ uffd. You can supply as many pages as you want with ``UFFDIO_COPY`` or
+ ``UFFDIO_ZEROPAGE``. Keep in mind that unless you used DONTWAKE then
the first of any of those IOCTLs wakes up the faulting thread.
-- Be sure to test for all errors including (pollfd[0].revents &
- POLLERR). This can happen, e.g. when ranges supplied were
- incorrect.
+- Be sure to test for all errors including
+ (``pollfd[0].revents & POLLERR``). This can happen, e.g. when ranges
+ supplied were incorrect.
Write Protect Notifications
---------------------------
@@ -136,41 +136,42 @@ Write Protect Notifications
This is equivalent to (but faster than) using mprotect and a SIGSEGV
signal handler.
-Firstly you need to register a range with UFFDIO_REGISTER_MODE_WP.
-Instead of using mprotect(2) you use ioctl(uffd, UFFDIO_WRITEPROTECT,
-struct *uffdio_writeprotect) while mode = UFFDIO_WRITEPROTECT_MODE_WP
+Firstly you need to register a range with ``UFFDIO_REGISTER_MODE_WP``.
+Instead of using mprotect(2) you use
+``ioctl(uffd, UFFDIO_WRITEPROTECT, struct *uffdio_writeprotect)``
+while ``mode = UFFDIO_WRITEPROTECT_MODE_WP``
in the struct passed in. The range does not default to and does not
have to be identical to the range you registered with. You can write
protect as many ranges as you like (inside the registered range).
Then, in the thread reading from uffd the struct will have
-msg.arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WP set. Now you send
-ioctl(uffd, UFFDIO_WRITEPROTECT, struct *uffdio_writeprotect) again
-while pagefault.mode does not have UFFDIO_WRITEPROTECT_MODE_WP set.
-This wakes up the thread which will continue to run with writes. This
+``msg.arg.pagefault.flags & UFFD_PAGEFAULT_FLAG_WP`` set. Now you send
+``ioctl(uffd, UFFDIO_WRITEPROTECT, struct *uffdio_writeprotect)``
+again while ``pagefault.mode`` does not have ``UFFDIO_WRITEPROTECT_MODE_WP``
+set. This wakes up the thread which will continue to run with writes. This
allows you to do the bookkeeping about the write in the uffd reading
thread before the ioctl.
-If you registered with both UFFDIO_REGISTER_MODE_MISSING and
-UFFDIO_REGISTER_MODE_WP then you need to think about the sequence in
+If you registered with both ``UFFDIO_REGISTER_MODE_MISSING`` and
+``UFFDIO_REGISTER_MODE_WP`` then you need to think about the sequence in
which you supply a page and undo write protect. Note that there is a
difference between writes into a WP area and into a !WP area. The
-former will have UFFD_PAGEFAULT_FLAG_WP set, the latter
-UFFD_PAGEFAULT_FLAG_WRITE. The latter did not fail on protection but
-you still need to supply a page when UFFDIO_REGISTER_MODE_MISSING was
+former will have ``UFFD_PAGEFAULT_FLAG_WP`` set, the latter
+``UFFD_PAGEFAULT_FLAG_WRITE``. The latter did not fail on protection but
+you still need to supply a page when ``UFFDIO_REGISTER_MODE_MISSING`` was
used.
QEMU/KVM
========
-QEMU/KVM is using the userfaultfd syscall to implement postcopy live
+QEMU/KVM is using the ``userfaultfd`` syscall to implement postcopy live
migration. Postcopy live migration is one form of memory
externalization consisting of a virtual machine running with part or
all of its memory residing on a different node in the cloud. The
-userfaultfd abstraction is generic enough that not a single line of
+``userfaultfd`` abstraction is generic enough that not a single line of
KVM kernel code had to be modified in order to add postcopy live
migration to QEMU.
-Guest async page faults, FOLL_NOWAIT and all other GUP features work
+Guest async page faults, ``FOLL_NOWAIT`` and all other ``GUP*`` features work
just fine in combination with userfaults. Userfaults trigger async
page faults in the guest scheduler so those guest processes that
aren't waiting for userfaults (i.e. network bound) can keep running in
@@ -183,19 +184,19 @@ generating userfaults for readonly guest regions.
The implementation of postcopy live migration currently uses one
single bidirectional socket but in the future two different sockets
will be used (to reduce the latency of the userfaults to the minimum
-possible without having to decrease /proc/sys/net/ipv4/tcp_wmem).
+possible without having to decrease ``/proc/sys/net/ipv4/tcp_wmem``).
The QEMU in the source node writes all pages that it knows are missing
in the destination node, into the socket, and the migration thread of
-the QEMU running in the destination node runs UFFDIO_COPY|ZEROPAGE
-ioctls on the userfaultfd in order to map the received pages into the
-guest (UFFDIO_ZEROCOPY is used if the source page was a zero page).
+the QEMU running in the destination node runs ``UFFDIO_COPY|ZEROPAGE``
+ioctls on the ``userfaultfd`` in order to map the received pages into the
+guest (``UFFDIO_ZEROCOPY`` is used if the source page was a zero page).
A different postcopy thread in the destination node listens with
-poll() to the userfaultfd in parallel. When a POLLIN event is
+poll() to the ``userfaultfd`` in parallel. When a ``POLLIN`` event is
generated after a userfault triggers, the postcopy thread read() from
-the userfaultfd and receives the fault address (or -EAGAIN in case the
-userfault was already resolved and waken by a UFFDIO_COPY|ZEROPAGE run
+the ``userfaultfd`` and receives the fault address (or ``-EAGAIN`` in case the
+userfault was already resolved and waken by a ``UFFDIO_COPY|ZEROPAGE`` run
by the parallel QEMU migration thread).
After the QEMU postcopy thread (running in the destination node) gets
@@ -206,7 +207,7 @@ remaining missing pages from that new page offset. Soon after that
(just the time to flush the tcp_wmem queue through the network) the
migration thread in the QEMU running in the destination node will
receive the page that triggered the userfault and it'll map it as
-usual with the UFFDIO_COPY|ZEROPAGE (without actually knowing if it
+usual with the ``UFFDIO_COPY|ZEROPAGE`` (without actually knowing if it
was spontaneously sent by the source or if it was an urgent page
requested through a userfault).
@@ -219,74 +220,74 @@ checked to find which missing pages to send in round robin and we seek
over it when receiving incoming userfaults. After sending each page of
course the bitmap is updated accordingly. It's also useful to avoid
sending the same page twice (in case the userfault is read by the
-postcopy thread just before UFFDIO_COPY|ZEROPAGE runs in the migration
+postcopy thread just before ``UFFDIO_COPY|ZEROPAGE`` runs in the migration
thread).
Non-cooperative userfaultfd
===========================
-When the userfaultfd is monitored by an external manager, the manager
+When the ``userfaultfd`` is monitored by an external manager, the manager
must be able to track changes in the process virtual memory
layout. Userfaultfd can notify the manager about such changes using
the same read(2) protocol as for the page fault notifications. The
manager has to explicitly enable these events by setting appropriate
-bits in uffdio_api.features passed to UFFDIO_API ioctl:
+bits in ``uffdio_api.features`` passed to ``UFFDIO_API`` ioctl:
-UFFD_FEATURE_EVENT_FORK
- enable userfaultfd hooks for fork(). When this feature is
- enabled, the userfaultfd context of the parent process is
+``UFFD_FEATURE_EVENT_FORK``
+ enable ``userfaultfd`` hooks for fork(). When this feature is
+ enabled, the ``userfaultfd`` context of the parent process is
duplicated into the newly created process. The manager
- receives UFFD_EVENT_FORK with file descriptor of the new
- userfaultfd context in the uffd_msg.fork.
+ receives ``UFFD_EVENT_FORK`` with file descriptor of the new
+ ``userfaultfd`` context in the ``uffd_msg.fork``.
-UFFD_FEATURE_EVENT_REMAP
+``UFFD_FEATURE_EVENT_REMAP``
enable notifications about mremap() calls. When the
non-cooperative process moves a virtual memory area to a
different location, the manager will receive
- UFFD_EVENT_REMAP. The uffd_msg.remap will contain the old and
+ ``UFFD_EVENT_REMAP``. The ``uffd_msg.remap`` will contain the old and
new addresses of the area and its original length.
-UFFD_FEATURE_EVENT_REMOVE
+``UFFD_FEATURE_EVENT_REMOVE``
enable notifications about madvise(MADV_REMOVE) and
- madvise(MADV_DONTNEED) calls. The event UFFD_EVENT_REMOVE will
- be generated upon these calls to madvise. The uffd_msg.remove
+ madvise(MADV_DONTNEED) calls. The event ``UFFD_EVENT_REMOVE`` will
+ be generated upon these calls to madvise(). The ``uffd_msg.remove``
will contain start and end addresses of the removed area.
-UFFD_FEATURE_EVENT_UNMAP
+``UFFD_FEATURE_EVENT_UNMAP``
enable notifications about memory unmapping. The manager will
- get UFFD_EVENT_UNMAP with uffd_msg.remove containing start and
+ get ``UFFD_EVENT_UNMAP`` with ``uffd_msg.remove`` containing start and
end addresses of the unmapped area.
-Although the UFFD_FEATURE_EVENT_REMOVE and UFFD_FEATURE_EVENT_UNMAP
+Although the ``UFFD_FEATURE_EVENT_REMOVE`` and ``UFFD_FEATURE_EVENT_UNMAP``
are pretty similar, they quite differ in the action expected from the
-userfaultfd manager. In the former case, the virtual memory is
+``userfaultfd`` manager. In the former case, the virtual memory is
removed, but the area is not, the area remains monitored by the
-userfaultfd, and if a page fault occurs in that area it will be
+``userfaultfd``, and if a page fault occurs in that area it will be
delivered to the manager. The proper resolution for such page fault is
to zeromap the faulting address. However, in the latter case, when an
area is unmapped, either explicitly (with munmap() system call), or
implicitly (e.g. during mremap()), the area is removed and in turn the
-userfaultfd context for such area disappears too and the manager will
+``userfaultfd`` context for such area disappears too and the manager will
not get further userland page faults from the removed area. Still, the
notification is required in order to prevent manager from using
-UFFDIO_COPY on the unmapped area.
+``UFFDIO_COPY`` on the unmapped area.
Unlike userland page faults which have to be synchronous and require
explicit or implicit wakeup, all the events are delivered
asynchronously and the non-cooperative process resumes execution as
-soon as manager executes read(). The userfaultfd manager should
-carefully synchronize calls to UFFDIO_COPY with the events
-processing. To aid the synchronization, the UFFDIO_COPY ioctl will
-return -ENOSPC when the monitored process exits at the time of
-UFFDIO_COPY, and -ENOENT, when the non-cooperative process has changed
-its virtual memory layout simultaneously with outstanding UFFDIO_COPY
+soon as manager executes read(). The ``userfaultfd`` manager should
+carefully synchronize calls to ``UFFDIO_COPY`` with the events
+processing. To aid the synchronization, the ``UFFDIO_COPY`` ioctl will
+return ``-ENOSPC`` when the monitored process exits at the time of
+``UFFDIO_COPY``, and ``-ENOENT``, when the non-cooperative process has changed
+its virtual memory layout simultaneously with outstanding ``UFFDIO_COPY``
operation.
The current asynchronous model of the event delivery is optimal for
-single threaded non-cooperative userfaultfd manager implementations. A
+single threaded non-cooperative ``userfaultfd`` manager implementations. A
synchronous event delivery model can be added later as a new
-userfaultfd feature to facilitate multithreading enhancements of the
-non cooperative manager, for example to allow UFFDIO_COPY ioctls to
+``userfaultfd`` feature to facilitate multithreading enhancements of the
+non cooperative manager, for example to allow ``UFFDIO_COPY`` ioctls to
run in parallel to the event reception. Single threaded
implementations should continue to use the current async event
delivery model instead.
diff --git a/Documentation/admin-guide/nfs/nfsroot.rst b/Documentation/admin-guide/nfs/nfsroot.rst
index 82a4fda057f9..c6772075c80c 100644
--- a/Documentation/admin-guide/nfs/nfsroot.rst
+++ b/Documentation/admin-guide/nfs/nfsroot.rst
@@ -18,7 +18,7 @@ Mounting the root filesystem via NFS (nfsroot)
In order to use a diskless system, such as an X-terminal or printer server for
example, it is necessary for the root filesystem to be present on a non-disk
device. This may be an initramfs (see
-Documentation/filesystems/ramfs-rootfs-initramfs.txt), a ramdisk (see
+Documentation/filesystems/ramfs-rootfs-initramfs.rst), a ramdisk (see
Documentation/admin-guide/initrd.rst) or a filesystem mounted via NFS. The
following text describes on how to use NFS for the root filesystem. For the rest
of this text 'client' means the diskless system, and 'server' means the NFS
diff --git a/Documentation/admin-guide/numastat.rst b/Documentation/admin-guide/numastat.rst
index aaf1667489f8..08ec2c2bdce3 100644
--- a/Documentation/admin-guide/numastat.rst
+++ b/Documentation/admin-guide/numastat.rst
@@ -6,6 +6,21 @@ Numa policy hit/miss statistics
All units are pages. Hugepages have separate counters.
+The numa_hit, numa_miss and numa_foreign counters reflect how well processes
+are able to allocate memory from nodes they prefer. If they succeed, numa_hit
+is incremented on the preferred node, otherwise numa_foreign is incremented on
+the preferred node and numa_miss on the node where allocation succeeded.
+
+Usually preferred node is the one local to the CPU where the process executes,
+but restrictions such as mempolicies can change that, so there are also two
+counters based on CPU local node. local_node is similar to numa_hit and is
+incremented on allocation from a node by CPU on the same node. other_node is
+similar to numa_miss and is incremented on the node where allocation succeeds
+from a CPU from a different node. Note there is no counter analogical to
+numa_foreign.
+
+In more detail:
+
=============== ============================================================
numa_hit A process wanted to allocate memory from this node,
and succeeded.
@@ -14,11 +29,13 @@ numa_miss A process wanted to allocate memory from another node,
but ended up with memory from this node.
numa_foreign A process wanted to allocate on this node,
- but ended up with memory from another one.
+ but ended up with memory from another node.
-local_node A process ran on this node and got memory from it.
+local_node A process ran on this node's CPU,
+ and got memory from this node.
-other_node A process ran on this node and got memory from another node.
+other_node A process ran on a different node's CPU
+ and got memory from this node.
interleave_hit Interleaving wanted to allocate from this node
and succeeded.
@@ -28,3 +45,11 @@ For easier reading you can use the numastat utility from the numactl package
(http://oss.sgi.com/projects/libnuma/). Note that it only works
well right now on machines with a small number of CPUs.
+Note that on systems with memoryless nodes (where a node has CPUs but no
+memory) the numa_hit, numa_miss and numa_foreign statistics can be skewed
+heavily. In the current kernel implementation, if a process prefers a
+memoryless node (i.e. because it is running on one of its local CPU), the
+implementation actually treats one of the nearest nodes with memory as the
+preferred node. As a result, such allocation will not increase the numa_foreign
+counter on the memoryless node, and will skew the numa_hit, numa_miss and
+numa_foreign statistics of the nearest node.
diff --git a/Documentation/admin-guide/perf-security.rst b/Documentation/admin-guide/perf-security.rst
index 72effa7c23b9..1307b5274a0f 100644
--- a/Documentation/admin-guide/perf-security.rst
+++ b/Documentation/admin-guide/perf-security.rst
@@ -1,6 +1,6 @@
.. _perf_security:
-Perf Events and tool security
+Perf events and tool security
=============================
Overview
@@ -42,11 +42,11 @@ categories:
Data that belong to the fourth category can potentially contain
sensitive process data. If PMUs in some monitoring modes capture values
of execution context registers or data from process memory then access
-to such monitoring capabilities requires to be ordered and secured
-properly. So, perf_events/Perf performance monitoring is the subject for
-security access control management [5]_ .
+to such monitoring modes requires to be ordered and secured properly.
+So, perf_events performance monitoring and observability operations are
+the subject for security access control management [5]_ .
-perf_events/Perf access control
+perf_events access control
-------------------------------
To perform security checks, the Linux implementation splits processes
@@ -66,11 +66,25 @@ into distinct units, known as capabilities [6]_ , which can be
independently enabled and disabled on per-thread basis for processes and
files of unprivileged users.
-Unprivileged processes with enabled CAP_SYS_ADMIN capability are treated
+Unprivileged processes with enabled CAP_PERFMON capability are treated
as privileged processes with respect to perf_events performance
-monitoring and bypass *scope* permissions checks in the kernel.
-
-Unprivileged processes using perf_events system call API is also subject
+monitoring and observability operations, thus, bypass *scope* permissions
+checks in the kernel. CAP_PERFMON implements the principle of least
+privilege [13]_ (POSIX 1003.1e: 2.2.2.39) for performance monitoring and
+observability operations in the kernel and provides a secure approach to
+perfomance monitoring and observability in the system.
+
+For backward compatibility reasons the access to perf_events monitoring and
+observability operations is also open for CAP_SYS_ADMIN privileged
+processes but CAP_SYS_ADMIN usage for secure monitoring and observability
+use cases is discouraged with respect to the CAP_PERFMON capability.
+If system audit records [14]_ for a process using perf_events system call
+API contain denial records of acquiring both CAP_PERFMON and CAP_SYS_ADMIN
+capabilities then providing the process with CAP_PERFMON capability singly
+is recommended as the preferred secure approach to resolve double access
+denial logging related to usage of performance monitoring and observability.
+
+Unprivileged processes using perf_events system call are also subject
for PTRACE_MODE_READ_REALCREDS ptrace access mode check [7]_ , whose
outcome determines whether monitoring is permitted. So unprivileged
processes provided with CAP_SYS_PTRACE capability are effectively
@@ -82,14 +96,14 @@ performance analysis of monitored processes or a system. For example,
CAP_SYSLOG capability permits reading kernel space memory addresses from
/proc/kallsyms file.
-perf_events/Perf privileged users
+Privileged Perf users groups
---------------------------------
Mechanisms of capabilities, privileged capability-dumb files [6]_ and
-file system ACLs [10]_ can be used to create a dedicated group of
-perf_events/Perf privileged users who are permitted to execute
-performance monitoring without scope limits. The following steps can be
-taken to create such a group of privileged Perf users.
+file system ACLs [10]_ can be used to create dedicated groups of
+privileged Perf users who are permitted to execute performance monitoring
+and observability without scope limits. The following steps can be
+taken to create such groups of privileged Perf users.
1. Create perf_users group of privileged Perf users, assign perf_users
group to Perf tool executable and limit access to the executable for
@@ -108,30 +122,51 @@ taken to create such a group of privileged Perf users.
-rwxr-x--- 2 root perf_users 11M Oct 19 15:12 perf
2. Assign the required capabilities to the Perf tool executable file and
- enable members of perf_users group with performance monitoring
+ enable members of perf_users group with monitoring and observability
privileges [6]_ :
::
- # setcap "cap_sys_admin,cap_sys_ptrace,cap_syslog=ep" perf
- # setcap -v "cap_sys_admin,cap_sys_ptrace,cap_syslog=ep" perf
+ # setcap "cap_perfmon,cap_sys_ptrace,cap_syslog=ep" perf
+ # setcap -v "cap_perfmon,cap_sys_ptrace,cap_syslog=ep" perf
perf: OK
# getcap perf
- perf = cap_sys_ptrace,cap_sys_admin,cap_syslog+ep
+ perf = cap_sys_ptrace,cap_syslog,cap_perfmon+ep
+
+If the libcap installed doesn't yet support "cap_perfmon", use "38" instead,
+i.e.:
+
+::
+
+ # setcap "38,cap_ipc_lock,cap_sys_ptrace,cap_syslog=ep" perf
+
+Note that you may need to have 'cap_ipc_lock' in the mix for tools such as
+'perf top', alternatively use 'perf top -m N', to reduce the memory that
+it uses for the perf ring buffer, see the memory allocation section below.
+
+Using a libcap without support for CAP_PERFMON will make cap_get_flag(caps, 38,
+CAP_EFFECTIVE, &val) fail, which will lead the default event to be 'cycles:u',
+so as a workaround explicitly ask for the 'cycles' event, i.e.:
+
+::
+
+ # perf top -e cycles
+
+To get kernel and user samples with a perf binary with just CAP_PERFMON.
As a result, members of perf_users group are capable of conducting
-performance monitoring by using functionality of the configured Perf
-tool executable that, when executes, passes perf_events subsystem scope
-checks.
+performance monitoring and observability by using functionality of the
+configured Perf tool executable that, when executes, passes perf_events
+subsystem scope checks.
This specific access control management is only available to superuser
or root running processes with CAP_SETPCAP, CAP_SETFCAP [6]_
capabilities.
-perf_events/Perf unprivileged users
+Unprivileged users
-----------------------------------
-perf_events/Perf *scope* and *access* control for unprivileged processes
+perf_events *scope* and *access* control for unprivileged processes
is governed by perf_event_paranoid [2]_ setting:
-1:
@@ -166,7 +201,7 @@ is governed by perf_event_paranoid [2]_ setting:
perf_event_mlock_kb locking limit is imposed but ignored for
unprivileged processes with CAP_IPC_LOCK capability.
-perf_events/Perf resource control
+Resource control
---------------------------------
Open file descriptors
@@ -227,4 +262,5 @@ Bibliography
.. [10] `<http://man7.org/linux/man-pages/man5/acl.5.html>`_
.. [11] `<http://man7.org/linux/man-pages/man2/getrlimit.2.html>`_
.. [12] `<http://man7.org/linux/man-pages/man5/limits.conf.5.html>`_
-
+.. [13] `<https://sites.google.com/site/fullycapable>`_
+.. [14] `<http://man7.org/linux/man-pages/man8/auditd.8.html>`_
diff --git a/Documentation/admin-guide/pm/cpuidle.rst b/Documentation/admin-guide/pm/cpuidle.rst
index 5605cc6f9560..a96a423e3779 100644
--- a/Documentation/admin-guide/pm/cpuidle.rst
+++ b/Documentation/admin-guide/pm/cpuidle.rst
@@ -159,17 +159,15 @@ governor uses that information depends on what algorithm is implemented by it
and that is the primary reason for having more than one governor in the
``CPUIdle`` subsystem.
-There are three ``CPUIdle`` governors available, ``menu``, `TEO <teo-gov_>`_
-and ``ladder``. Which of them is used by default depends on the configuration
-of the kernel and in particular on whether or not the scheduler tick can be
-`stopped by the idle loop <idle-cpus-and-tick_>`_. It is possible to change the
-governor at run time if the ``cpuidle_sysfs_switch`` command line parameter has
-been passed to the kernel, but that is not safe in general, so it should not be
-done on production systems (that may change in the future, though). The name of
-the ``CPUIdle`` governor currently used by the kernel can be read from the
-:file:`current_governor_ro` (or :file:`current_governor` if
-``cpuidle_sysfs_switch`` is present in the kernel command line) file under
-:file:`/sys/devices/system/cpu/cpuidle/` in ``sysfs``.
+There are four ``CPUIdle`` governors available, ``menu``, `TEO <teo-gov_>`_,
+``ladder`` and ``haltpoll``. Which of them is used by default depends on the
+configuration of the kernel and in particular on whether or not the scheduler
+tick can be `stopped by the idle loop <idle-cpus-and-tick_>`_. Available
+governors can be read from the :file:`available_governors`, and the governor
+can be changed at runtime. The name of the ``CPUIdle`` governor currently
+used by the kernel can be read from the :file:`current_governor_ro` or
+:file:`current_governor` file under :file:`/sys/devices/system/cpu/cpuidle/`
+in ``sysfs``.
Which ``CPUIdle`` driver is used, on the other hand, usually depends on the
platform the kernel is running on, but there are platforms with more than one
diff --git a/Documentation/admin-guide/pm/intel-speed-select.rst b/Documentation/admin-guide/pm/intel-speed-select.rst
new file mode 100644
index 000000000000..b2ca601c21c6
--- /dev/null
+++ b/Documentation/admin-guide/pm/intel-speed-select.rst
@@ -0,0 +1,917 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================================
+Intel(R) Speed Select Technology User Guide
+============================================================
+
+The Intel(R) Speed Select Technology (Intel(R) SST) provides a powerful new
+collection of features that give more granular control over CPU performance.
+With Intel(R) SST, one server can be configured for power and performance for a
+variety of diverse workload requirements.
+
+Refer to the links below for an overview of the technology:
+
+- https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-article.html
+- https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enhancing-performance.pdf
+
+These capabilities are further enhanced in some of the newer generations of
+server platforms where these features can be enumerated and controlled
+dynamically without pre-configuring via BIOS setup options. This dynamic
+configuration is done via mailbox commands to the hardware. One way to enumerate
+and configure these features is by using the Intel Speed Select utility.
+
+This document explains how to use the Intel Speed Select tool to enumerate and
+control Intel(R) SST features. This document gives example commands and explains
+how these commands change the power and performance profile of the system under
+test. Using this tool as an example, customers can replicate the messaging
+implemented in the tool in their production software.
+
+intel-speed-select configuration tool
+======================================
+
+Most Linux distribution packages may include the "intel-speed-select" tool. If not,
+it can be built by downloading the Linux kernel tree from kernel.org. Once
+downloaded, the tool can be built without building the full kernel.
+
+From the kernel tree, run the following commands::
+
+# cd tools/power/x86/intel-speed-select/
+# make
+# make install
+
+Getting Help
+------------
+
+To get help with the tool, execute the command below::
+
+# intel-speed-select --help
+
+The top-level help describes arguments and features. Notice that there is a
+multi-level help structure in the tool. For example, to get help for the feature "perf-profile"::
+
+# intel-speed-select perf-profile --help
+
+To get help on a command, another level of help is provided. For example for the command info "info"::
+
+# intel-speed-select perf-profile info --help
+
+Summary of platform capability
+------------------------------
+To check the current platform and driver capaibilities, execute::
+
+#intel-speed-select --info
+
+For example on a test system::
+
+ # intel-speed-select --info
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ Platform: API version : 1
+ Platform: Driver version : 1
+ Platform: mbox supported : 1
+ Platform: mmio supported : 1
+ Intel(R) SST-PP (feature perf-profile) is supported
+ TDP level change control is unlocked, max level: 4
+ Intel(R) SST-TF (feature turbo-freq) is supported
+ Intel(R) SST-BF (feature base-freq) is not supported
+ Intel(R) SST-CP (feature core-power) is supported
+
+Intel(R) Speed Select Technology - Performance Profile (Intel(R) SST-PP)
+------------------------------------------------------------------------
+
+This feature allows configuration of a server dynamically based on workload
+performance requirements. This helps users during deployment as they do not have
+to choose a specific server configuration statically. This Intel(R) Speed Select
+Technology - Performance Profile (Intel(R) SST-PP) feature introduces a mechanism
+that allows multiple optimized performance profiles per system. Each profile
+defines a set of CPUs that need to be online and rest offline to sustain a
+guaranteed base frequency. Once the user issues a command to use a specific
+performance profile and meet CPU online/offline requirement, the user can expect
+a change in the base frequency dynamically. This feature is called
+"perf-profile" when using the Intel Speed Select tool.
+
+Number or performance levels
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+There can be multiple performance profiles on a system. To get the number of
+profiles, execute the command below::
+
+ # intel-speed-select perf-profile get-config-levels
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ get-config-levels:4
+ package-1
+ die-0
+ cpu-14
+ get-config-levels:4
+
+On this system under test, there are 4 performance profiles in addition to the
+base performance profile (which is performance level 0).
+
+Lock/Unlock status
+~~~~~~~~~~~~~~~~~~
+
+Even if there are multiple performance profiles, it is possible that that they
+are locked. If they are locked, users cannot issue a command to change the
+performance state. It is possible that there is a BIOS setup to unlock or check
+with your system vendor.
+
+To check if the system is locked, execute the following command::
+
+ # intel-speed-select perf-profile get-lock-status
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ get-lock-status:0
+ package-1
+ die-0
+ cpu-14
+ get-lock-status:0
+
+In this case, lock status is 0, which means that the system is unlocked.
+
+Properties of a performance level
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To get properties of a specific performance level (For example for the level 0, below), execute the command below::
+
+ # intel-speed-select perf-profile info -l 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ perf-profile-level-0
+ cpu-count:28
+ enable-cpu-mask:000003ff,f0003fff
+ enable-cpu-list:0,1,2,3,4,5,6,7,8,9,10,11,12,13,28,29,30,31,32,33,34,35,36,37,38,39,40,41
+ thermal-design-power-ratio:26
+ base-frequency(MHz):2600
+ speed-select-turbo-freq:disabled
+ speed-select-base-freq:disabled
+ ...
+ ...
+
+Here -l option is used to specify a performance level.
+
+If the option -l is omitted, then this command will print information about all
+the performance levels. The above command is printing properties of the
+performance level 0.
+
+For this performance profile, the list of CPUs displayed by the
+"enable-cpu-mask/enable-cpu-list" at the max can be "online." When that
+condition is met, then base frequency of 2600 MHz can be maintained. To
+understand more, execute "intel-speed-select perf-profile info" for performance
+level 4::
+
+ # intel-speed-select perf-profile info -l 4
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ perf-profile-level-4
+ cpu-count:28
+ enable-cpu-mask:000000fa,f0000faf
+ enable-cpu-list:0,1,2,3,5,7,8,9,10,11,28,29,30,31,33,35,36,37,38,39
+ thermal-design-power-ratio:28
+ base-frequency(MHz):2800
+ speed-select-turbo-freq:disabled
+ speed-select-base-freq:unsupported
+ ...
+ ...
+
+There are fewer CPUs in the "enable-cpu-mask/enable-cpu-list". Consequently, if
+the user only keeps these CPUs online and the rest "offline," then the base
+frequency is increased to 2.8 GHz compared to 2.6 GHz at performance level 0.
+
+Get current performance level
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To get the current performance level, execute::
+
+ # intel-speed-select perf-profile get-config-current-level
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ get-config-current_level:0
+
+First verify that the base_frequency displayed by the cpufreq sysfs is correct::
+
+ # cat /sys/devices/system/cpu/cpu0/cpufreq/base_frequency
+ 2600000
+
+This matches the base-frequency (MHz) field value displayed from the
+"perf-profile info" command for performance level 0(cpufreq frequency is in
+KHz).
+
+To check if the average frequency is equal to the base frequency for a 100% busy
+workload, disable turbo::
+
+# echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
+
+Then runs a busy workload on all CPUs, for example::
+
+#stress -c 64
+
+To verify the base frequency, run turbostat::
+
+ #turbostat -c 0-13 --show Package,Core,CPU,Bzy_MHz -i 1
+
+ Package Core CPU Bzy_MHz
+ - - 2600
+ 0 0 0 2600
+ 0 1 1 2600
+ 0 2 2 2600
+ 0 3 3 2600
+ 0 4 4 2600
+ . . . .
+
+
+Changing performance level
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To the change the performance level to 4, execute::
+
+ # intel-speed-select -d perf-profile set-config-level -l 4 -o
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ perf-profile
+ set_tdp_level:success
+
+In the command above, "-o" is optional. If it is specified, then it will also
+offline CPUs which are not present in the enable_cpu_mask for this performance
+level.
+
+Now if the base_frequency is checked::
+
+ #cat /sys/devices/system/cpu/cpu0/cpufreq/base_frequency
+ 2800000
+
+Which shows that the base frequency now increased from 2600 MHz at performance
+level 0 to 2800 MHz at performance level 4. As a result, any workload, which can
+use fewer CPUs, can see a boost of 200 MHz compared to performance level 0.
+
+Check presence of other Intel(R) SST features
+---------------------------------------------
+
+Each of the performance profiles also specifies weather there is support of
+other two Intel(R) SST features (Intel(R) Speed Select Technology - Base Frequency
+(Intel(R) SST-BF) and Intel(R) Speed Select Technology - Turbo Frequency (Intel
+SST-TF)).
+
+For example, from the output of "perf-profile info" above, for level 0 and level
+4:
+
+For level 0::
+ speed-select-turbo-freq:disabled
+ speed-select-base-freq:disabled
+
+For level 4::
+ speed-select-turbo-freq:disabled
+ speed-select-base-freq:unsupported
+
+Given these results, the "speed-select-base-freq" (Intel(R) SST-BF) in level 4
+changed from "disabled" to "unsupported" compared to performance level 0.
+
+This means that at performance level 4, the "speed-select-base-freq" feature is
+not supported. However, at performance level 0, this feature is "supported", but
+currently "disabled", meaning the user has not activated this feature. Whereas
+"speed-select-turbo-freq" (Intel(R) SST-TF) is supported at both performance
+levels, but currently not activated by the user.
+
+The Intel(R) SST-BF and the Intel(R) SST-TF features are built on a foundation
+technology called Intel(R) Speed Select Technology - Core Power (Intel(R) SST-CP).
+The platform firmware enables this feature when Intel(R) SST-BF or Intel(R) SST-TF
+is supported on a platform.
+
+Intel(R) Speed Select Technology Core Power (Intel(R) SST-CP)
+---------------------------------------------------------------
+
+Intel(R) Speed Select Technology Core Power (Intel(R) SST-CP) is an interface that
+allows users to define per core priority. This defines a mechanism to distribute
+power among cores when there is a power constrained scenario. This defines a
+class of service (CLOS) configuration.
+
+The user can configure up to 4 class of service configurations. Each CLOS group
+configuration allows definitions of parameters, which affects how the frequency
+can be limited and power is distributed. Each CPU core can be tied to a class of
+service and hence an associated priority. The granularity is at core level not
+at per CPU level.
+
+Enable CLOS based prioritization
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To use CLOS based prioritization feature, firmware must be informed to enable
+and use a priority type. There is a default per platform priority type, which
+can be changed with optional command line parameter.
+
+To enable and check the options, execute::
+
+ # intel-speed-select core-power enable --help
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ Enable core-power for a package/die
+ Clos Enable: Specify priority type with [--priority|-p]
+ 0: Proportional, 1: Ordered
+
+There are two types of priority types:
+
+- Ordered
+
+Priority for ordered throttling is defined based on the index of the assigned
+CLOS group. Where CLOS0 gets highest priority (throttled last).
+
+Priority order is:
+CLOS0 > CLOS1 > CLOS2 > CLOS3.
+
+- Proportional
+
+When proportional priority is used, there is an additional parameter called
+frequency_weight, which can be specified per CLOS group. The goal of
+proportional priority is to provide each core with the requested min., then
+distribute all remaining (excess/deficit) budgets in proportion to a defined
+weight. This proportional priority can be configured using "core-power config"
+command.
+
+To enable with the platform default priority type, execute::
+
+ # intel-speed-select core-power enable
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ core-power
+ enable:success
+ package-1
+ die-0
+ cpu-6
+ core-power
+ enable:success
+
+The scope of this enable is per package or die scoped when a package contains
+multiple dies. To check if CLOS is enabled and get priority type, "core-power
+info" command can be used. For example to check the status of core-power feature
+on CPU 0, execute::
+
+ # intel-speed-select -c 0 core-power info
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ core-power
+ support-status:supported
+ enable-status:enabled
+ clos-enable-status:enabled
+ priority-type:proportional
+ package-1
+ die-0
+ cpu-24
+ core-power
+ support-status:supported
+ enable-status:enabled
+ clos-enable-status:enabled
+ priority-type:proportional
+
+Configuring CLOS groups
+~~~~~~~~~~~~~~~~~~~~~~~
+
+Each CLOS group has its own attributes including min, max, freq_weight and
+desired. These parameters can be configured with "core-power config" command.
+Defaults will be used if user skips setting a parameter except clos id, which is
+mandatory. To check core-power config options, execute::
+
+ # intel-speed-select core-power config --help
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ Set core-power configuration for one of the four clos ids
+ Specify targeted clos id with [--clos|-c]
+ Specify clos Proportional Priority [--weight|-w]
+ Specify clos min in MHz with [--min|-n]
+ Specify clos max in MHz with [--max|-m]
+
+For example::
+
+ # intel-speed-select core-power config -c 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ clos epp is not specified, default: 0
+ clos frequency weight is not specified, default: 0
+ clos min is not specified, default: 0 MHz
+ clos max is not specified, default: 25500 MHz
+ clos desired is not specified, default: 0
+ package-0
+ die-0
+ cpu-0
+ core-power
+ config:success
+ package-1
+ die-0
+ cpu-6
+ core-power
+ config:success
+
+The user has the option to change defaults. For example, the user can change the
+"min" and set the base frequency to always get guaranteed base frequency.
+
+Get the current CLOS configuration
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To check the current configuration, "core-power get-config" can be used. For
+example, to get the configuration of CLOS 0::
+
+ # intel-speed-select core-power get-config -c 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ core-power
+ clos:0
+ epp:0
+ clos-proportional-priority:0
+ clos-min:0 MHz
+ clos-max:Max Turbo frequency
+ clos-desired:0 MHz
+ package-1
+ die-0
+ cpu-24
+ core-power
+ clos:0
+ epp:0
+ clos-proportional-priority:0
+ clos-min:0 MHz
+ clos-max:Max Turbo frequency
+ clos-desired:0 MHz
+
+Associating a CPU with a CLOS group
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To associate a CPU to a CLOS group "core-power assoc" command can be used::
+
+ # intel-speed-select core-power assoc --help
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ Associate a clos id to a CPU
+ Specify targeted clos id with [--clos|-c]
+
+
+For example to associate CPU 10 to CLOS group 3, execute::
+
+ # intel-speed-select -c 10 core-power assoc -c 3
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-10
+ core-power
+ assoc:success
+
+Once a CPU is associated, its sibling CPUs are also associated to a CLOS group.
+Once associated, avoid changing Linux "cpufreq" subsystem scaling frequency
+limits.
+
+To check the existing association for a CPU, "core-power get-assoc" command can
+be used. For example, to get association of CPU 10, execute::
+
+ # intel-speed-select -c 10 core-power get-assoc
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-1
+ die-0
+ cpu-10
+ get-assoc
+ clos:3
+
+This shows that CPU 10 is part of a CLOS group 3.
+
+
+Disable CLOS based prioritization
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To disable, execute::
+
+# intel-speed-select core-power disable
+
+Some features like Intel(R) SST-TF can only be enabled when CLOS based prioritization
+is enabled. For this reason, disabling while Intel(R) SST-TF is enabled can cause
+Intel(R) SST-TF to fail. This will cause the "disable" command to display an error
+if Intel(R) SST-TF is already enabled. In turn, to disable, the Intel(R) SST-TF
+feature must be disabled first.
+
+Intel(R) Speed Select Technology - Base Frequency (Intel(R) SST-BF)
+-------------------------------------------------------------------
+
+The Intel(R) Speed Select Technology - Base Frequency (Intel(R) SST-BF) feature lets
+the user control base frequency. If some critical workload threads demand
+constant high guaranteed performance, then this feature can be used to execute
+the thread at higher base frequency on specific sets of CPUs (high priority
+CPUs) at the cost of lower base frequency (low priority CPUs) on other CPUs.
+This feature does not require offline of the low priority CPUs.
+
+The support of Intel(R) SST-BF depends on the Intel(R) Speed Select Technology -
+Performance Profile (Intel(R) SST-PP) performance level configuration. It is
+possible that only certain performance levels support Intel(R) SST-BF. It is also
+possible that only base performance level (level = 0) has support of Intel
+SST-BF. Consequently, first select the desired performance level to enable this
+feature.
+
+In the system under test here, Intel(R) SST-BF is supported at the base
+performance level 0, but currently disabled. For example for the level 0::
+
+ # intel-speed-select -c 0 perf-profile info -l 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ perf-profile-level-0
+ ...
+
+ speed-select-base-freq:disabled
+ ...
+
+Before enabling Intel(R) SST-BF and measuring its impact on a workload
+performance, execute some workload and measure performance and get a baseline
+performance to compare against.
+
+Here the user wants more guaranteed performance. For this reason, it is likely
+that turbo is disabled. To disable turbo, execute::
+
+#echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
+
+Based on the output of the "intel-speed-select perf-profile info -l 0" base
+frequency of guaranteed frequency 2600 MHz.
+
+
+Measure baseline performance for comparison
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To compare, pick a multi-threaded workload where each thread can be scheduled on
+separate CPUs. "Hackbench pipe" test is a good example on how to improve
+performance using Intel(R) SST-BF.
+
+Below, the workload is measuring average scheduler wakeup latency, so a lower
+number means better performance::
+
+ # taskset -c 3,4 perf bench -r 100 sched pipe
+ # Running 'sched/pipe' benchmark:
+ # Executed 1000000 pipe operations between two processes
+ Total time: 6.102 [sec]
+ 6.102445 usecs/op
+ 163868 ops/sec
+
+While running the above test, if we take turbostat output, it will show us that
+2 of the CPUs are busy and reaching max. frequency (which would be the base
+frequency as the turbo is disabled). The turbostat output::
+
+ #turbostat -c 0-13 --show Package,Core,CPU,Bzy_MHz -i 1
+ Package Core CPU Bzy_MHz
+ 0 0 0 1000
+ 0 1 1 1005
+ 0 2 2 1000
+ 0 3 3 2600
+ 0 4 4 2600
+ 0 5 5 1000
+ 0 6 6 1000
+ 0 7 7 1005
+ 0 8 8 1005
+ 0 9 9 1000
+ 0 10 10 1000
+ 0 11 11 995
+ 0 12 12 1000
+ 0 13 13 1000
+
+From the above turbostat output, both CPU 3 and 4 are very busy and reaching
+full guaranteed frequency of 2600 MHz.
+
+Intel(R) SST-BF Capabilities
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To get capabilities of Intel(R) SST-BF for the current performance level 0,
+execute::
+
+ # intel-speed-select base-freq info -l 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ speed-select-base-freq
+ high-priority-base-frequency(MHz):3000
+ high-priority-cpu-mask:00000216,00002160
+ high-priority-cpu-list:5,6,8,13,33,34,36,41
+ low-priority-base-frequency(MHz):2400
+ tjunction-temperature(C):125
+ thermal-design-power(W):205
+
+The above capabilities show that there are some CPUs on this system that can
+offer base frequency of 3000 MHz compared to the standard base frequency at this
+performance levels. Nevertheless, these CPUs are fixed, and they are presented
+via high-priority-cpu-list/high-priority-cpu-mask. But if this Intel(R) SST-BF
+feature is selected, the low priorities CPUs (which are not in
+high-priority-cpu-list) can only offer up to 2400 MHz. As a result, if this
+clipping of low priority CPUs is acceptable, then the user can enable Intel
+SST-BF feature particularly for the above "sched pipe" workload since only two
+CPUs are used, they can be scheduled on high priority CPUs and can get boost of
+400 MHz.
+
+Enable Intel(R) SST-BF
+~~~~~~~~~~~~~~~~~~~~~~
+
+To enable Intel(R) SST-BF feature, execute::
+
+ # intel-speed-select base-freq enable -a
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ base-freq
+ enable:success
+ package-1
+ die-0
+ cpu-14
+ base-freq
+ enable:success
+
+In this case, -a option is optional. This not only enables Intel(R) SST-BF, but it
+also adjusts the priority of cores using Intel(R) Speed Select Technology Core
+Power (Intel(R) SST-CP) features. This option sets the minimum performance of each
+Intel(R) Speed Select Technology - Performance Profile (Intel(R) SST-PP) class to
+maximum performance so that the hardware will give maximum performance possible
+for each CPU.
+
+If -a option is not used, then the following steps are required before enabling
+Intel(R) SST-BF:
+
+- Discover Intel(R) SST-BF and note low and high priority base frequency
+- Note the high prioity CPU list
+- Enable CLOS using core-power feature set
+- Configure CLOS parameters. Use CLOS.min to set to minimum performance
+- Subscribe desired CPUs to CLOS groups
+
+With this configuration, if the same workload is executed by pinning the
+workload to high priority CPUs (CPU 5 and 6 in this case)::
+
+ #taskset -c 5,6 perf bench -r 100 sched pipe
+ # Running 'sched/pipe' benchmark:
+ # Executed 1000000 pipe operations between two processes
+ Total time: 5.627 [sec]
+ 5.627922 usecs/op
+ 177685 ops/sec
+
+This way, by enabling Intel(R) SST-BF, the performance of this benchmark is
+improved (latency reduced) by 7.79%. From the turbostat output, it can be
+observed that the high priority CPUs reached 3000 MHz compared to 2600 MHz.
+The turbostat output::
+
+ #turbostat -c 0-13 --show Package,Core,CPU,Bzy_MHz -i 1
+ Package Core CPU Bzy_MHz
+ 0 0 0 2151
+ 0 1 1 2166
+ 0 2 2 2175
+ 0 3 3 2175
+ 0 4 4 2175
+ 0 5 5 3000
+ 0 6 6 3000
+ 0 7 7 2180
+ 0 8 8 2662
+ 0 9 9 2176
+ 0 10 10 2175
+ 0 11 11 2176
+ 0 12 12 2176
+ 0 13 13 2661
+
+Disable Intel(R) SST-BF
+~~~~~~~~~~~~~~~~~~~~~~~
+
+To disable the Intel(R) SST-BF feature, execute::
+
+# intel-speed-select base-freq disable -a
+
+
+Intel(R) Speed Select Technology - Turbo Frequency (Intel(R) SST-TF)
+--------------------------------------------------------------------
+
+This feature enables the ability to set different "All core turbo ratio limits"
+to cores based on the priority. By using this feature, some cores can be
+configured to get higher turbo frequency by designating them as high priority at
+the cost of lower or no turbo frequency on the low priority cores.
+
+For this reason, this feature is only useful when system is busy utilizing all
+CPUs, but the user wants some configurable option to get high performance on
+some CPUs.
+
+The support of Intel(R) Speed Select Technology - Turbo Frequency (Intel(R) SST-TF)
+depends on the Intel(R) Speed Select Technology - Performance Profile (Intel
+SST-PP) performance level configuration. It is possible that only a certain
+performance level supports Intel(R) SST-TF. It is also possible that only the base
+performance level (level = 0) has the support of Intel(R) SST-TF. Hence, first
+select the desired performance level to enable this feature.
+
+In the system under test here, Intel(R) SST-TF is supported at the base
+performance level 0, but currently disabled::
+
+ # intel-speed-select -c 0 perf-profile info -l 0
+ Intel(R) Speed Select Technology
+ package-0
+ die-0
+ cpu-0
+ perf-profile-level-0
+ ...
+ ...
+ speed-select-turbo-freq:disabled
+ ...
+ ...
+
+
+To check if performance can be improved using Intel(R) SST-TF feature, get the turbo
+frequency properties with Intel(R) SST-TF enabled and compare to the base turbo
+capability of this system.
+
+Get Base turbo capability
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To get the base turbo capability of performance level 0, execute::
+
+ # intel-speed-select perf-profile info -l 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ perf-profile-level-0
+ ...
+ ...
+ turbo-ratio-limits-sse
+ bucket-0
+ core-count:2
+ max-turbo-frequency(MHz):3200
+ bucket-1
+ core-count:4
+ max-turbo-frequency(MHz):3100
+ bucket-2
+ core-count:6
+ max-turbo-frequency(MHz):3100
+ bucket-3
+ core-count:8
+ max-turbo-frequency(MHz):3100
+ bucket-4
+ core-count:10
+ max-turbo-frequency(MHz):3100
+ bucket-5
+ core-count:12
+ max-turbo-frequency(MHz):3100
+ bucket-6
+ core-count:14
+ max-turbo-frequency(MHz):3100
+ bucket-7
+ core-count:16
+ max-turbo-frequency(MHz):3100
+
+Based on the data above, when all the CPUS are busy, the max. frequency of 3100
+MHz can be achieved. If there is some busy workload on cpu 0 - 11 (e.g. stress)
+and on CPU 12 and 13, execute "hackbench pipe" workload::
+
+ # taskset -c 12,13 perf bench -r 100 sched pipe
+ # Running 'sched/pipe' benchmark:
+ # Executed 1000000 pipe operations between two processes
+ Total time: 5.705 [sec]
+ 5.705488 usecs/op
+ 175269 ops/sec
+
+The turbostat output::
+
+ #turbostat -c 0-13 --show Package,Core,CPU,Bzy_MHz -i 1
+ Package Core CPU Bzy_MHz
+ 0 0 0 3000
+ 0 1 1 3000
+ 0 2 2 3000
+ 0 3 3 3000
+ 0 4 4 3000
+ 0 5 5 3100
+ 0 6 6 3100
+ 0 7 7 3000
+ 0 8 8 3100
+ 0 9 9 3000
+ 0 10 10 3000
+ 0 11 11 3000
+ 0 12 12 3100
+ 0 13 13 3100
+
+Based on turbostat output, the performance is limited by frequency cap of 3100
+MHz. To check if the hackbench performance can be improved for CPU 12 and CPU
+13, first check the capability of the Intel(R) SST-TF feature for this performance
+level.
+
+Get Intel(R) SST-TF Capability
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To get the capability, the "turbo-freq info" command can be used::
+
+ # intel-speed-select turbo-freq info -l 0
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-0
+ speed-select-turbo-freq
+ bucket-0
+ high-priority-cores-count:2
+ high-priority-max-frequency(MHz):3200
+ high-priority-max-avx2-frequency(MHz):3200
+ high-priority-max-avx512-frequency(MHz):3100
+ bucket-1
+ high-priority-cores-count:4
+ high-priority-max-frequency(MHz):3100
+ high-priority-max-avx2-frequency(MHz):3000
+ high-priority-max-avx512-frequency(MHz):2900
+ bucket-2
+ high-priority-cores-count:6
+ high-priority-max-frequency(MHz):3100
+ high-priority-max-avx2-frequency(MHz):3000
+ high-priority-max-avx512-frequency(MHz):2900
+ speed-select-turbo-freq-clip-frequencies
+ low-priority-max-frequency(MHz):2600
+ low-priority-max-avx2-frequency(MHz):2400
+ low-priority-max-avx512-frequency(MHz):2100
+
+Based on the output above, there is an Intel(R) SST-TF bucket for which there are
+two high priority cores. If only two high priority cores are set, then max.
+turbo frequency on those cores can be increased to 3200 MHz. This is 100 MHz
+more than the base turbo capability for all cores.
+
+In turn, for the hackbench workload, two CPUs can be set as high priority and
+rest as low priority. One side effect is that once enabled, the low priority
+cores will be clipped to a lower frequency of 2600 MHz.
+
+Enable Intel(R) SST-TF
+~~~~~~~~~~~~~~~~~~~~~~
+
+To enable Intel(R) SST-TF, execute::
+
+ # intel-speed-select -c 12,13 turbo-freq enable -a
+ Intel(R) Speed Select Technology
+ Executing on CPU model: X
+ package-0
+ die-0
+ cpu-12
+ turbo-freq
+ enable:success
+ package-0
+ die-0
+ cpu-13
+ turbo-freq
+ enable:success
+ package--1
+ die-0
+ cpu-63
+ turbo-freq --auto
+ enable:success
+
+In this case, the option "-a" is optional. If set, it enables Intel(R) SST-TF
+feature and also sets the CPUs to high and and low priority using Intel Speed
+Select Technology Core Power (Intel(R) SST-CP) features. The CPU numbers passed
+with "-c" arguments are marked as high priority, including its siblings.
+
+If -a option is not used, then the following steps are required before enabling
+Intel(R) SST-TF:
+
+- Discover Intel(R) SST-TF and note buckets of high priority cores and maximum frequency
+
+- Enable CLOS using core-power feature set - Configure CLOS parameters
+
+- Subscribe desired CPUs to CLOS groups making sure that high priority cores are set to the maximum frequency
+
+If the same hackbench workload is executed, schedule hackbench threads on high
+priority CPUs::
+
+ #taskset -c 12,13 perf bench -r 100 sched pipe
+ # Running 'sched/pipe' benchmark:
+ # Executed 1000000 pipe operations between two processes
+ Total time: 5.510 [sec]
+ 5.510165 usecs/op
+ 180826 ops/sec
+
+This improved performance by around 3.3% improvement on a busy system. Here the
+turbostat output will show that the CPU 12 and CPU 13 are getting 100 MHz boost.
+The turbostat output::
+
+ #turbostat -c 0-13 --show Package,Core,CPU,Bzy_MHz -i 1
+ Package Core CPU Bzy_MHz
+ ...
+ 0 12 12 3200
+ 0 13 13 3200
diff --git a/Documentation/admin-guide/pm/intel_pstate.rst b/Documentation/admin-guide/pm/intel_pstate.rst
index ad392f3aee06..39d80bc29ccd 100644
--- a/Documentation/admin-guide/pm/intel_pstate.rst
+++ b/Documentation/admin-guide/pm/intel_pstate.rst
@@ -62,9 +62,10 @@ on the capabilities of the processor.
Active Mode
-----------
-This is the default operation mode of ``intel_pstate``. If it works in this
-mode, the ``scaling_driver`` policy attribute in ``sysfs`` for all ``CPUFreq``
-policies contains the string "intel_pstate".
+This is the default operation mode of ``intel_pstate`` for processors with
+hardware-managed P-states (HWP) support. If it works in this mode, the
+``scaling_driver`` policy attribute in ``sysfs`` for all ``CPUFreq`` policies
+contains the string "intel_pstate".
In this mode the driver bypasses the scaling governors layer of ``CPUFreq`` and
provides its own scaling algorithms for P-state selection. Those algorithms
@@ -138,12 +139,13 @@ internal P-state selection logic to be less performance-focused.
Active Mode Without HWP
~~~~~~~~~~~~~~~~~~~~~~~
-This is the default operation mode for processors that do not support the HWP
-feature. It also is used by default with the ``intel_pstate=no_hwp`` argument
-in the kernel command line. However, in this mode ``intel_pstate`` may refuse
-to work with the given processor if it does not recognize it. [Note that
-``intel_pstate`` will never refuse to work with any processor with the HWP
-feature enabled.]
+This operation mode is optional for processors that do not support the HWP
+feature or when the ``intel_pstate=no_hwp`` argument is passed to the kernel in
+the command line. The active mode is used in those cases if the
+``intel_pstate=active`` argument is passed to the kernel in the command line.
+In this mode ``intel_pstate`` may refuse to work with processors that are not
+recognized by it. [Note that ``intel_pstate`` will never refuse to work with
+any processor with the HWP feature enabled.]
In this mode ``intel_pstate`` registers utilization update callbacks with the
CPU scheduler in order to run a P-state selection algorithm, either
@@ -188,10 +190,14 @@ is not set.
Passive Mode
------------
-This mode is used if the ``intel_pstate=passive`` argument is passed to the
-kernel in the command line (it implies the ``intel_pstate=no_hwp`` setting too).
-Like in the active mode without HWP support, in this mode ``intel_pstate`` may
-refuse to work with the given processor if it does not recognize it.
+This is the default operation mode of ``intel_pstate`` for processors without
+hardware-managed P-states (HWP) support. It is always used if the
+``intel_pstate=passive`` argument is passed to the kernel in the command line
+regardless of whether or not the given processor supports HWP. [Note that the
+``intel_pstate=no_hwp`` setting implies ``intel_pstate=passive`` if it is used
+without ``intel_pstate=active``.] Like in the active mode without HWP support,
+in this mode ``intel_pstate`` may refuse to work with processors that are not
+recognized by it.
If the driver works in this mode, the ``scaling_driver`` policy attribute in
``sysfs`` for all ``CPUFreq`` policies contains the string "intel_cpufreq".
diff --git a/Documentation/admin-guide/pm/working-state.rst b/Documentation/admin-guide/pm/working-state.rst
index 0a38cdf39df1..f40994c422dc 100644
--- a/Documentation/admin-guide/pm/working-state.rst
+++ b/Documentation/admin-guide/pm/working-state.rst
@@ -13,3 +13,4 @@ Working-State Power Management
intel_pstate
cpufreq_drivers
intel_epb
+ intel-speed-select
diff --git a/Documentation/admin-guide/pstore-blk.rst b/Documentation/admin-guide/pstore-blk.rst
new file mode 100644
index 000000000000..296d5027787a
--- /dev/null
+++ b/Documentation/admin-guide/pstore-blk.rst
@@ -0,0 +1,243 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+pstore block oops/panic logger
+==============================
+
+Introduction
+------------
+
+pstore block (pstore/blk) is an oops/panic logger that writes its logs to a
+block device and non-block device before the system crashes. You can get
+these log files by mounting pstore filesystem like::
+
+ mount -t pstore pstore /sys/fs/pstore
+
+
+pstore block concepts
+---------------------
+
+pstore/blk provides efficient configuration method for pstore/blk, which
+divides all configurations into two parts, configurations for user and
+configurations for driver.
+
+Configurations for user determine how pstore/blk works, such as pmsg_size,
+kmsg_size and so on. All of them support both Kconfig and module parameters,
+but module parameters have priority over Kconfig.
+
+Configurations for driver are all about block device and non-block device,
+such as total_size of block device and read/write operations.
+
+Configurations for user
+-----------------------
+
+All of these configurations support both Kconfig and module parameters, but
+module parameters have priority over Kconfig.
+
+Here is an example for module parameters::
+
+ pstore_blk.blkdev=179:7 pstore_blk.kmsg_size=64
+
+The detail of each configurations may be of interest to you.
+
+blkdev
+~~~~~~
+
+The block device to use. Most of the time, it is a partition of block device.
+It's required for pstore/blk. It is also used for MTD device.
+
+It accepts the following variants for block device:
+
+1. <hex_major><hex_minor> device number in hexadecimal represents itself; no
+ leading 0x, for example b302.
+#. /dev/<disk_name> represents the device number of disk
+#. /dev/<disk_name><decimal> represents the device number of partition - device
+ number of disk plus the partition number
+#. /dev/<disk_name>p<decimal> - same as the above; this form is used when disk
+ name of partitioned disk ends with a digit.
+#. PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF represents the unique id of
+ a partition if the partition table provides it. The UUID may be either an
+ EFI/GPT UUID, or refer to an MSDOS partition using the format SSSSSSSS-PP,
+ where SSSSSSSS is a zero-filled hex representation of the 32-bit
+ "NT disk signature", and PP is a zero-filled hex representation of the
+ 1-based partition number.
+#. PARTUUID=<UUID>/PARTNROFF=<int> to select a partition in relation to a
+ partition with a known unique id.
+#. <major>:<minor> major and minor number of the device separated by a colon.
+
+It accepts the following variants for MTD device:
+
+1. <device name> MTD device name. "pstore" is recommended.
+#. <device number> MTD device number.
+
+kmsg_size
+~~~~~~~~~
+
+The chunk size in KB for oops/panic front-end. It **MUST** be a multiple of 4.
+It's optional if you do not care oops/panic log.
+
+There are multiple chunks for oops/panic front-end depending on the remaining
+space except other pstore front-ends.
+
+pstore/blk will log to oops/panic chunks one by one, and always overwrite the
+oldest chunk if there is no more free chunk.
+
+pmsg_size
+~~~~~~~~~
+
+The chunk size in KB for pmsg front-end. It **MUST** be a multiple of 4.
+It's optional if you do not care pmsg log.
+
+Unlike oops/panic front-end, there is only one chunk for pmsg front-end.
+
+Pmsg is a user space accessible pstore object. Writes to */dev/pmsg0* are
+appended to the chunk. On reboot the contents are available in
+*/sys/fs/pstore/pmsg-pstore-blk-0*.
+
+console_size
+~~~~~~~~~~~~
+
+The chunk size in KB for console front-end. It **MUST** be a multiple of 4.
+It's optional if you do not care console log.
+
+Similar to pmsg front-end, there is only one chunk for console front-end.
+
+All log of console will be appended to the chunk. On reboot the contents are
+available in */sys/fs/pstore/console-pstore-blk-0*.
+
+ftrace_size
+~~~~~~~~~~~
+
+The chunk size in KB for ftrace front-end. It **MUST** be a multiple of 4.
+It's optional if you do not care console log.
+
+Similar to oops front-end, there are multiple chunks for ftrace front-end
+depending on the count of cpu processors. Each chunk size is equal to
+ftrace_size / processors_count.
+
+All log of ftrace will be appended to the chunk. On reboot the contents are
+combined and available in */sys/fs/pstore/ftrace-pstore-blk-0*.
+
+Persistent function tracing might be useful for debugging software or hardware
+related hangs. Here is an example of usage::
+
+ # mount -t pstore pstore /sys/fs/pstore
+ # mount -t debugfs debugfs /sys/kernel/debug/
+ # echo 1 > /sys/kernel/debug/pstore/record_ftrace
+ # reboot -f
+ [...]
+ # mount -t pstore pstore /sys/fs/pstore
+ # tail /sys/fs/pstore/ftrace-pstore-blk-0
+ CPU:0 ts:5914676 c0063828 c0063b94 call_cpuidle <- cpu_startup_entry+0x1b8/0x1e0
+ CPU:0 ts:5914678 c039ecdc c006385c cpuidle_enter_state <- call_cpuidle+0x44/0x48
+ CPU:0 ts:5914680 c039e9a0 c039ecf0 cpuidle_enter_freeze <- cpuidle_enter_state+0x304/0x314
+ CPU:0 ts:5914681 c0063870 c039ea30 sched_idle_set_state <- cpuidle_enter_state+0x44/0x314
+ CPU:1 ts:5916720 c0160f59 c015ee04 kernfs_unmap_bin_file <- __kernfs_remove+0x140/0x204
+ CPU:1 ts:5916721 c05ca625 c015ee0c __mutex_lock_slowpath <- __kernfs_remove+0x148/0x204
+ CPU:1 ts:5916723 c05c813d c05ca630 yield_to <- __mutex_lock_slowpath+0x314/0x358
+ CPU:1 ts:5916724 c05ca2d1 c05ca638 __ww_mutex_lock <- __mutex_lock_slowpath+0x31c/0x358
+
+max_reason
+~~~~~~~~~~
+
+Limiting which kinds of kmsg dumps are stored can be controlled via
+the ``max_reason`` value, as defined in include/linux/kmsg_dump.h's
+``enum kmsg_dump_reason``. For example, to store both Oopses and Panics,
+``max_reason`` should be set to 2 (KMSG_DUMP_OOPS), to store only Panics
+``max_reason`` should be set to 1 (KMSG_DUMP_PANIC). Setting this to 0
+(KMSG_DUMP_UNDEF), means the reason filtering will be controlled by the
+``printk.always_kmsg_dump`` boot param: if unset, it'll be KMSG_DUMP_OOPS,
+otherwise KMSG_DUMP_MAX.
+
+Configurations for driver
+-------------------------
+
+Only a block device driver cares about these configurations. A block device
+driver uses ``register_pstore_blk`` to register to pstore/blk.
+
+.. kernel-doc:: fs/pstore/blk.c
+ :identifiers: register_pstore_blk
+
+A non-block device driver uses ``register_pstore_device`` with
+``struct pstore_device_info`` to register to pstore/blk.
+
+.. kernel-doc:: fs/pstore/blk.c
+ :identifiers: register_pstore_device
+
+.. kernel-doc:: include/linux/pstore_blk.h
+ :identifiers: pstore_device_info
+
+Compression and header
+----------------------
+
+Block device is large enough for uncompressed oops data. Actually we do not
+recommend data compression because pstore/blk will insert some information into
+the first line of oops/panic data. For example::
+
+ Panic: Total 16 times
+
+It means that it's OOPS|Panic for the 16th time since the first booting.
+Sometimes the number of occurrences of oops|panic since the first booting is
+important to judge whether the system is stable.
+
+The following line is inserted by pstore filesystem. For example::
+
+ Oops#2 Part1
+
+It means that it's OOPS for the 2nd time on the last boot.
+
+Reading the data
+----------------
+
+The dump data can be read from the pstore filesystem. The format for these
+files is ``dmesg-pstore-blk-[N]`` for oops/panic front-end,
+``pmsg-pstore-blk-0`` for pmsg front-end and so on. The timestamp of the
+dump file records the trigger time. To delete a stored record from block
+device, simply unlink the respective pstore file.
+
+Attentions in panic read/write APIs
+-----------------------------------
+
+If on panic, the kernel is not going to run for much longer, the tasks will not
+be scheduled and most kernel resources will be out of service. It
+looks like a single-threaded program running on a single-core computer.
+
+The following points require special attention for panic read/write APIs:
+
+1. Can **NOT** allocate any memory.
+ If you need memory, just allocate while the block driver is initializing
+ rather than waiting until the panic.
+#. Must be polled, **NOT** interrupt driven.
+ No task schedule any more. The block driver should delay to ensure the write
+ succeeds, but NOT sleep.
+#. Can **NOT** take any lock.
+ There is no other task, nor any shared resource; you are safe to break all
+ locks.
+#. Just use CPU to transfer.
+ Do not use DMA to transfer unless you are sure that DMA will not keep lock.
+#. Control registers directly.
+ Please control registers directly rather than use Linux kernel resources.
+ Do I/O map while initializing rather than wait until a panic occurs.
+#. Reset your block device and controller if necessary.
+ If you are not sure of the state of your block device and controller when
+ a panic occurs, you are safe to stop and reset them.
+
+pstore/blk supports psblk_blkdev_info(), which is defined in
+*linux/pstore_blk.h*, to get information of using block device, such as the
+device number, sector count and start sector of the whole disk.
+
+pstore block internals
+----------------------
+
+For developer reference, here are all the important structures and APIs:
+
+.. kernel-doc:: fs/pstore/zone.c
+ :internal:
+
+.. kernel-doc:: include/linux/pstore_zone.h
+ :internal:
+
+.. kernel-doc:: fs/pstore/blk.c
+ :export:
+
+.. kernel-doc:: include/linux/pstore_blk.h
+ :internal:
diff --git a/Documentation/admin-guide/ramoops.rst b/Documentation/admin-guide/ramoops.rst
index 6dbcc5481000..a60a96218ba9 100644
--- a/Documentation/admin-guide/ramoops.rst
+++ b/Documentation/admin-guide/ramoops.rst
@@ -32,11 +32,17 @@ memory to be mapped strongly ordered, and atomic operations on strongly ordered
memory are implementation defined, and won't work on many ARMs such as omaps.
The memory area is divided into ``record_size`` chunks (also rounded down to
-power of two) and each oops/panic writes a ``record_size`` chunk of
+power of two) and each kmesg dump writes a ``record_size`` chunk of
information.
-Dumping both oopses and panics can be done by setting 1 in the ``dump_oops``
-variable while setting 0 in that variable dumps only the panics.
+Limiting which kinds of kmsg dumps are stored can be controlled via
+the ``max_reason`` value, as defined in include/linux/kmsg_dump.h's
+``enum kmsg_dump_reason``. For example, to store both Oopses and Panics,
+``max_reason`` should be set to 2 (KMSG_DUMP_OOPS), to store only Panics
+``max_reason`` should be set to 1 (KMSG_DUMP_PANIC). Setting this to 0
+(KMSG_DUMP_UNDEF), means the reason filtering will be controlled by the
+``printk.always_kmsg_dump`` boot param: if unset, it'll be KMSG_DUMP_OOPS,
+otherwise KMSG_DUMP_MAX.
The module uses a counter to record multiple dumps but the counter gets reset
on restart (i.e. new dumps after the restart will overwrite old ones).
@@ -90,7 +96,7 @@ Setting the ramoops parameters can be done in several different manners:
.mem_address = <...>,
.mem_type = <...>,
.record_size = <...>,
- .dump_oops = <...>,
+ .max_reason = <...>,
.ecc = <...>,
};
diff --git a/Documentation/admin-guide/ras.rst b/Documentation/admin-guide/ras.rst
index 0310db624964..7b481b2a368e 100644
--- a/Documentation/admin-guide/ras.rst
+++ b/Documentation/admin-guide/ras.rst
@@ -156,11 +156,11 @@ the labels provided by the BIOS won't match the real ones.
ECC memory
----------
-As mentioned on the previous section, ECC memory has extra bits to be
-used for error correction. So, on 64 bit systems, a memory module
-has 64 bits of *data width*, and 74 bits of *total width*. So, there are
-8 bits extra bits to be used for the error detection and correction
-mechanisms. Those extra bits are called *syndrome*\ [#f1]_\ [#f2]_.
+As mentioned in the previous section, ECC memory has extra bits to be
+used for error correction. In the above example, a memory module has
+64 bits of *data width*, and 72 bits of *total width*. The extra 8
+bits which are used for the error detection and correction mechanisms
+are referred to as the *syndrome*\ [#f1]_\ [#f2]_.
So, when the cpu requests the memory controller to write a word with
*data width*, the memory controller calculates the *syndrome* in real time,
@@ -212,7 +212,7 @@ EDAC - Error Detection And Correction
purposes.
When the subsystem was pushed upstream for the first time, on
- Kernel 2.6.16, for the first time, it was renamed to ``EDAC``.
+ Kernel 2.6.16, it was renamed to ``EDAC``.
Purpose
-------
@@ -351,15 +351,17 @@ controllers. The following example will assume 2 channels:
+------------+-----------+-----------+
| | ``ch0`` | ``ch1`` |
+============+===========+===========+
- | ``csrow0`` | DIMM_A0 | DIMM_B0 |
- | | rank0 | rank0 |
- +------------+ - | - |
+ | |**DIMM_A0**|**DIMM_B0**|
+ +------------+-----------+-----------+
+ | ``csrow0`` | rank0 | rank0 |
+ +------------+-----------+-----------+
| ``csrow1`` | rank1 | rank1 |
+------------+-----------+-----------+
- | ``csrow2`` | DIMM_A1 | DIMM_B1 |
- | | rank0 | rank0 |
- +------------+ - | - |
- | ``csrow3`` | rank1 | rank1 |
+ | |**DIMM_A1**|**DIMM_B1**|
+ +------------+-----------+-----------+
+ | ``csrow2`` | rank0 | rank0 |
+ +------------+-----------+-----------+
+ | ``csrow3`` | rank1 | rank1 |
+------------+-----------+-----------+
In the above example, there are 4 physical slots on the motherboard
diff --git a/Documentation/admin-guide/serial-console.rst b/Documentation/admin-guide/serial-console.rst
index a8d1e36b627a..58b32832e50a 100644
--- a/Documentation/admin-guide/serial-console.rst
+++ b/Documentation/admin-guide/serial-console.rst
@@ -54,7 +54,7 @@ You will need to create a new device to use ``/dev/console``. The official
``/dev/console`` is now character device 5,1.
(You can also use a network device as a console. See
-``Documentation/networking/netconsole.txt`` for information on that.)
+``Documentation/networking/netconsole.rst`` for information on that.)
Here's an example that will use ``/dev/ttyS1`` (COM2) as the console.
Replace the sample values as needed.
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index 0d427fd10941..1ebf68d01141 100644
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -102,6 +102,30 @@ See the ``type_of_loader`` and ``ext_loader_ver`` fields in
:doc:`/x86/boot` for additional information.
+bpf_stats_enabled
+=================
+
+Controls whether the kernel should collect statistics on BPF programs
+(total time spent running, number of times run...). Enabling
+statistics causes a slight reduction in performance on each program
+run. The statistics can be seen using ``bpftool``.
+
+= ===================================
+0 Don't collect statistics (default).
+1 Collect statistics.
+= ===================================
+
+
+cad_pid
+=======
+
+This is the pid which will be signalled on reboot (notably, by
+Ctrl-Alt-Delete). Writing a value to this file which doesn't
+correspond to a running process will result in ``-ESRCH``.
+
+See also `ctrl-alt-del`_.
+
+
cap_last_cap
============
@@ -241,6 +265,40 @@ domain names are in general different. For a detailed discussion
see the ``hostname(1)`` man page.
+firmware_config
+===============
+
+See :doc:`/driver-api/firmware/fallback-mechanisms`.
+
+The entries in this directory allow the firmware loader helper
+fallback to be controlled:
+
+* ``force_sysfs_fallback``, when set to 1, forces the use of the
+ fallback;
+* ``ignore_sysfs_fallback``, when set to 1, ignores any fallback.
+
+
+ftrace_dump_on_oops
+===================
+
+Determines whether ``ftrace_dump()`` should be called on an oops (or
+kernel panic). This will output the contents of the ftrace buffers to
+the console. This is very useful for capturing traces that lead to
+crashes and outputting them to a serial console.
+
+= ===================================================
+0 Disabled (default).
+1 Dump buffers of all CPUs.
+2 Dump the buffer of the CPU that triggered the oops.
+= ===================================================
+
+
+ftrace_enabled, stack_tracer_enabled
+====================================
+
+See :doc:`/trace/ftrace`.
+
+
hardlockup_all_cpu_backtrace
============================
@@ -344,6 +402,25 @@ Controls whether the panic kmsg data should be reported to Hyper-V.
= =========================================================
+ignore-unaligned-usertrap
+=========================
+
+On architectures where unaligned accesses cause traps, and where this
+feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN``;
+currently, ``arc`` and ``ia64``), controls whether all unaligned traps
+are logged.
+
+= =============================================================
+0 Log all unaligned accesses.
+1 Only warn the first time a process traps. This is the default
+ setting.
+= =============================================================
+
+See also `unaligned-trap`_ and `unaligned-dump-stack`_. On ``ia64``,
+this allows system administrators to override the
+``IA64_THREAD_UAC_NOPRINT`` ``prctl`` and avoid logs being flooded.
+
+
kexec_load_disabled
===================
@@ -459,6 +536,15 @@ Notes:
successful IPC object allocation. If an IPC object allocation syscall
fails, it is undefined if the value remains unmodified or is reset to -1.
+
+ngroups_max
+===========
+
+Maximum number of supplementary groups, _i.e._ the maximum size which
+``setgroups`` will accept. Exports ``NGROUPS_MAX`` from the kernel.
+
+
+
nmi_watchdog
============
@@ -721,7 +807,13 @@ perf_event_paranoid
===================
Controls use of the performance events system by unprivileged
-users (without CAP_SYS_ADMIN). The default value is 2.
+users (without CAP_PERFMON). The default value is 2.
+
+For backward compatibility reasons access to system performance
+monitoring and observability remains open for CAP_SYS_ADMIN
+privileged processes but CAP_SYS_ADMIN usage for secure system
+performance monitoring and observability operations is discouraged
+with respect to CAP_PERFMON use cases.
=== ==================================================================
-1 Allow use of (almost) all events by all users.
@@ -730,13 +822,13 @@ users (without CAP_SYS_ADMIN). The default value is 2.
``CAP_IPC_LOCK``.
>=0 Disallow ftrace function tracepoint by users without
- ``CAP_SYS_ADMIN``.
+ ``CAP_PERFMON``.
- Disallow raw tracepoint access by users without ``CAP_SYS_ADMIN``.
+ Disallow raw tracepoint access by users without ``CAP_PERFMON``.
->=1 Disallow CPU event access by users without ``CAP_SYS_ADMIN``.
+>=1 Disallow CPU event access by users without ``CAP_PERFMON``.
->=2 Disallow kernel profiling by users without ``CAP_SYS_ADMIN``.
+>=2 Disallow kernel profiling by users without ``CAP_PERFMON``.
=== ==================================================================
@@ -871,7 +963,7 @@ this sysctl interface anymore.
pty
===
-See Documentation/filesystems/devpts.txt.
+See Documentation/filesystems/devpts.rst.
randomize_va_space
@@ -1167,6 +1259,65 @@ If a value outside of this range is written to ``threads-max`` an
``EINVAL`` error occurs.
+traceoff_on_warning
+===================
+
+When set, disables tracing (see :doc:`/trace/ftrace`) when a
+``WARN()`` is hit.
+
+
+tracepoint_printk
+=================
+
+When tracepoints are sent to printk() (enabled by the ``tp_printk``
+boot parameter), this entry provides runtime control::
+
+ echo 0 > /proc/sys/kernel/tracepoint_printk
+
+will stop tracepoints from being sent to printk(), and::
+
+ echo 1 > /proc/sys/kernel/tracepoint_printk
+
+will send them to printk() again.
+
+This only works if the kernel was booted with ``tp_printk`` enabled.
+
+See :doc:`/admin-guide/kernel-parameters` and
+:doc:`/trace/boottime-trace`.
+
+
+.. _unaligned-dump-stack:
+
+unaligned-dump-stack (ia64)
+===========================
+
+When logging unaligned accesses, controls whether the stack is
+dumped.
+
+= ===================================================
+0 Do not dump the stack. This is the default setting.
+1 Dump the stack.
+= ===================================================
+
+See also `ignore-unaligned-usertrap`_.
+
+
+unaligned-trap
+==============
+
+On architectures where unaligned accesses cause traps, and where this
+feature is supported (``CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW``; currently,
+``arc`` and ``parisc``), controls whether unaligned traps are caught
+and emulated (instead of failing).
+
+= ========================================================
+0 Do not emulate unaligned accesses.
+1 Emulate unaligned accesses. This is the default setting.
+= ========================================================
+
+See also `ignore-unaligned-usertrap`_.
+
+
unknown_nmi_panic
=================
@@ -1178,6 +1329,16 @@ NMI switch that most IA32 servers have fires unknown NMI up, for
example. If a system hangs up, try pressing the NMI switch.
+unprivileged_bpf_disabled
+=========================
+
+Writing 1 to this entry will disable unprivileged calls to ``bpf()``;
+once disabled, calling ``bpf()`` without ``CAP_SYS_ADMIN`` will return
+``-EPERM``.
+
+Once set, this can't be cleared.
+
+
watchdog
========
diff --git a/Documentation/admin-guide/sysctl/net.rst b/Documentation/admin-guide/sysctl/net.rst
index e043c9213388..42cd04bca548 100644
--- a/Documentation/admin-guide/sysctl/net.rst
+++ b/Documentation/admin-guide/sysctl/net.rst
@@ -339,7 +339,9 @@ settings from init_net and for IPv6 we reset all settings to default.
If set to 1, both IPv4 and IPv6 settings are forced to inherit from
current ones in init_net. If set to 2, both IPv4 and IPv6 settings are
-forced to reset to their default values.
+forced to reset to their default values. If set to 3, both IPv4 and IPv6
+settings are forced to inherit from current ones in the netns where this
+new netns has been created.
Default : 0 (for compatibility reasons)
@@ -353,8 +355,8 @@ socket's buffer. It will not take effect unless PF_UNIX flag is specified.
3. /proc/sys/net/ipv4 - IPV4 settings
-------------------------------------
-Please see: Documentation/networking/ip-sysctl.txt and ipvs-sysctl.txt for
-descriptions of these entries.
+Please see: Documentation/networking/ip-sysctl.rst and
+Documentation/admin-guide/sysctl/net.rst for descriptions of these entries.
4. Appletalk
diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 0329a4d3fa9e..d46d5b7013c6 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -831,14 +831,27 @@ tooling to work, you can do::
swappiness
==========
-This control is used to define how aggressive the kernel will swap
-memory pages. Higher values will increase aggressiveness, lower values
-decrease the amount of swap. A value of 0 instructs the kernel not to
-initiate swap until the amount of free and file-backed pages is less
-than the high water mark in a zone.
+This control is used to define the rough relative IO cost of swapping
+and filesystem paging, as a value between 0 and 200. At 100, the VM
+assumes equal IO cost and will thus apply memory pressure to the page
+cache and swap-backed pages equally; lower values signify more
+expensive swap IO, higher values indicates cheaper.
+
+Keep in mind that filesystem IO patterns under memory pressure tend to
+be more efficient than swap's random IO. An optimal value will require
+experimentation and will also be workload-dependent.
The default value is 60.
+For in-memory swap, like zram or zswap, as well as hybrid setups that
+have swap on faster devices than the filesystem, values beyond 100 can
+be considered. For example, if the random IO against the swap device
+is on average 2x faster than IO from the filesystem, swappiness should
+be 133 (x + 2x = 200, 2x = 133.33).
+
+At 0, the kernel will not initiate swap until the amount of free and
+file-backed pages is less than the high watermark in a zone.
+
unprivileged_userfaultfd
========================
diff --git a/Documentation/arm64/amu.rst b/Documentation/arm64/amu.rst
index 5057b11100ed..452ec8b115c2 100644
--- a/Documentation/arm64/amu.rst
+++ b/Documentation/arm64/amu.rst
@@ -23,6 +23,7 @@ optional external memory-mapped interface.
Version 1 of the Activity Monitors architecture implements a counter group
of four fixed and architecturally defined 64-bit event counters.
+
- CPU cycle counter: increments at the frequency of the CPU.
- Constant counter: increments at the fixed frequency of the system
clock.
@@ -57,6 +58,7 @@ counters, only the presence of the extension.
Firmware (code running at higher exception levels, e.g. arm-tf) support is
needed to:
+
- Enable access for lower exception levels (EL2 and EL1) to the AMU
registers.
- Enable the counters. If not enabled these will read as 0.
@@ -78,6 +80,7 @@ are not trapped in EL2/EL3.
The fixed counters of AMUv1 are accessible though the following system
register definitions:
+
- SYS_AMEVCNTR0_CORE_EL0
- SYS_AMEVCNTR0_CONST_EL0
- SYS_AMEVCNTR0_INST_RET_EL0
@@ -93,6 +96,7 @@ Userspace access
----------------
Currently, access from userspace to the AMU registers is disabled due to:
+
- Security reasons: they might expose information about code executed in
secure mode.
- Purpose: AMU counters are intended for system management use.
@@ -105,6 +109,7 @@ Virtualization
Currently, access from userspace (EL0) and kernelspace (EL1) on the KVM
guest side is disabled due to:
+
- Security reasons: they might expose information about code executed
by other guests or the host.
diff --git a/Documentation/arm64/booting.rst b/Documentation/arm64/booting.rst
index a3f1a47b6f1c..7552dbc1cc54 100644
--- a/Documentation/arm64/booting.rst
+++ b/Documentation/arm64/booting.rst
@@ -173,7 +173,10 @@ Before jumping into the kernel, the following conditions must be met:
- Caches, MMUs
The MMU must be off.
- Instruction cache may be on or off.
+
+ The instruction cache may be on or off, and must not hold any stale
+ entries corresponding to the loaded kernel image.
+
The address range corresponding to the loaded kernel image must be
cleaned to the PoC. In the presence of a system cache or other
coherent masters with caches enabled, this will typically require
@@ -238,6 +241,7 @@ Before jumping into the kernel, the following conditions must be met:
- The DT or ACPI tables must describe a GICv2 interrupt controller.
For CPUs with pointer authentication functionality:
+
- If EL3 is present:
- SCR_EL3.APK (bit 16) must be initialised to 0b1
@@ -249,18 +253,22 @@ Before jumping into the kernel, the following conditions must be met:
- HCR_EL2.API (bit 41) must be initialised to 0b1
For CPUs with Activity Monitors Unit v1 (AMUv1) extension present:
+
- If EL3 is present:
- CPTR_EL3.TAM (bit 30) must be initialised to 0b0
- CPTR_EL2.TAM (bit 30) must be initialised to 0b0
- AMCNTENSET0_EL0 must be initialised to 0b1111
- AMCNTENSET1_EL0 must be initialised to a platform specific value
- having 0b1 set for the corresponding bit for each of the auxiliary
- counters present.
+
+ - CPTR_EL3.TAM (bit 30) must be initialised to 0b0
+ - CPTR_EL2.TAM (bit 30) must be initialised to 0b0
+ - AMCNTENSET0_EL0 must be initialised to 0b1111
+ - AMCNTENSET1_EL0 must be initialised to a platform specific value
+ having 0b1 set for the corresponding bit for each of the auxiliary
+ counters present.
+
- If the kernel is entered at EL1:
- AMCNTENSET0_EL0 must be initialised to 0b1111
- AMCNTENSET1_EL0 must be initialised to a platform specific value
- having 0b1 set for the corresponding bit for each of the auxiliary
- counters present.
+
+ - AMCNTENSET0_EL0 must be initialised to 0b1111
+ - AMCNTENSET1_EL0 must be initialised to a platform specific value
+ having 0b1 set for the corresponding bit for each of the auxiliary
+ counters present.
The requirements described above for CPU mode, caches, MMUs, architected
timers, coherency and system registers apply to all CPUs. All CPUs must
@@ -304,7 +312,8 @@ following manner:
Documentation/devicetree/bindings/arm/psci.yaml.
- Secondary CPU general-purpose register settings
- x0 = 0 (reserved for future use)
- x1 = 0 (reserved for future use)
- x2 = 0 (reserved for future use)
- x3 = 0 (reserved for future use)
+
+ - x0 = 0 (reserved for future use)
+ - x1 = 0 (reserved for future use)
+ - x2 = 0 (reserved for future use)
+ - x3 = 0 (reserved for future use)
diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst
index 41937a8091aa..314fa5bc2655 100644
--- a/Documentation/arm64/cpu-feature-registers.rst
+++ b/Documentation/arm64/cpu-feature-registers.rst
@@ -176,6 +176,8 @@ infrastructure:
+------------------------------+---------+---------+
| SSBS | [7-4] | y |
+------------------------------+---------+---------+
+ | BT | [3-0] | y |
+ +------------------------------+---------+---------+
4) MIDR_EL1 - Main ID Register
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index 7dfb97dfe416..84a9fd2d41b4 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -236,6 +236,11 @@ HWCAP2_RNG
Functionality implied by ID_AA64ISAR0_EL1.RNDR == 0b0001.
+HWCAP2_BTI
+
+ Functionality implied by ID_AA64PFR0_EL1.BT == 0b0001.
+
+
4. Unused AT_HWCAP bits
-----------------------
diff --git a/Documentation/arm64/silicon-errata.rst b/Documentation/arm64/silicon-errata.rst
index 2c08c628febd..936cf2a59ca4 100644
--- a/Documentation/arm64/silicon-errata.rst
+++ b/Documentation/arm64/silicon-errata.rst
@@ -64,6 +64,10 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A53 | #843419 | ARM64_ERRATUM_843419 |
+----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A55 | #1024718 | ARM64_ERRATUM_1024718 |
++----------------+-----------------+-----------------+-----------------------------+
+| ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 |
++----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #832075 | ARM64_ERRATUM_832075 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A57 | #852523 | N/A |
@@ -78,8 +82,6 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A73 | #858921 | ARM64_ERRATUM_858921 |
+----------------+-----------------+-----------------+-----------------------------+
-| ARM | Cortex-A55 | #1024718 | ARM64_ERRATUM_1024718 |
-+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1188873,1418040| ARM64_ERRATUM_1418040 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1165522 | ARM64_ERRATUM_1165522 |
@@ -88,8 +90,6 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Cortex-A76 | #1463225 | ARM64_ERRATUM_1463225 |
+----------------+-----------------+-----------------+-----------------------------+
-| ARM | Cortex-A55 | #1530923 | ARM64_ERRATUM_1530923 |
-+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N1 | #1188873,1418040| ARM64_ERRATUM_1418040 |
+----------------+-----------------+-----------------+-----------------------------+
| ARM | Neoverse-N1 | #1349291 | N/A |
diff --git a/Documentation/block/biovecs.rst b/Documentation/block/biovecs.rst
index ad303a2569d3..36771a131b56 100644
--- a/Documentation/block/biovecs.rst
+++ b/Documentation/block/biovecs.rst
@@ -129,6 +129,7 @@ Usage of helpers:
::
bio_for_each_segment_all()
+ bio_for_each_bvec_all()
bio_first_bvec_all()
bio_first_page_all()
bio_last_bvec_all()
@@ -143,4 +144,5 @@ Usage of helpers:
bio_vec' will contain a multi-page IO vector during the iteration::
bio_for_each_bvec()
+ bio_for_each_bvec_all()
rq_for_each_bvec()
diff --git a/Documentation/block/index.rst b/Documentation/block/index.rst
index 3fa7a52fafa4..026addfc69bc 100644
--- a/Documentation/block/index.rst
+++ b/Documentation/block/index.rst
@@ -14,6 +14,7 @@ Block
cmdline-partition
data-integrity
deadline-iosched
+ inline-encryption
ioprio
kyber-iosched
null_blk
diff --git a/Documentation/block/inline-encryption.rst b/Documentation/block/inline-encryption.rst
new file mode 100644
index 000000000000..354817b80887
--- /dev/null
+++ b/Documentation/block/inline-encryption.rst
@@ -0,0 +1,263 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=================
+Inline Encryption
+=================
+
+Background
+==========
+
+Inline encryption hardware sits logically between memory and the disk, and can
+en/decrypt data as it goes in/out of the disk. Inline encryption hardware has a
+fixed number of "keyslots" - slots into which encryption contexts (i.e. the
+encryption key, encryption algorithm, data unit size) can be programmed by the
+kernel at any time. Each request sent to the disk can be tagged with the index
+of a keyslot (and also a data unit number to act as an encryption tweak), and
+the inline encryption hardware will en/decrypt the data in the request with the
+encryption context programmed into that keyslot. This is very different from
+full disk encryption solutions like self encrypting drives/TCG OPAL/ATA
+Security standards, since with inline encryption, any block on disk could be
+encrypted with any encryption context the kernel chooses.
+
+
+Objective
+=========
+
+We want to support inline encryption (IE) in the kernel.
+To allow for testing, we also want a crypto API fallback when actual
+IE hardware is absent. We also want IE to work with layered devices
+like dm and loopback (i.e. we want to be able to use the IE hardware
+of the underlying devices if present, or else fall back to crypto API
+en/decryption).
+
+
+Constraints and notes
+=====================
+
+- IE hardware has a limited number of "keyslots" that can be programmed
+ with an encryption context (key, algorithm, data unit size, etc.) at any time.
+ One can specify a keyslot in a data request made to the device, and the
+ device will en/decrypt the data using the encryption context programmed into
+ that specified keyslot. When possible, we want to make multiple requests with
+ the same encryption context share the same keyslot.
+
+- We need a way for upper layers like filesystems to specify an encryption
+ context to use for en/decrypting a struct bio, and a device driver (like UFS)
+ needs to be able to use that encryption context when it processes the bio.
+
+- We need a way for device drivers to expose their inline encryption
+ capabilities in a unified way to the upper layers.
+
+
+Design
+======
+
+We add a :c:type:`struct bio_crypt_ctx` to :c:type:`struct bio` that can
+represent an encryption context, because we need to be able to pass this
+encryption context from the upper layers (like the fs layer) to the
+device driver to act upon.
+
+While IE hardware works on the notion of keyslots, the FS layer has no
+knowledge of keyslots - it simply wants to specify an encryption context to
+use while en/decrypting a bio.
+
+We introduce a keyslot manager (KSM) that handles the translation from
+encryption contexts specified by the FS to keyslots on the IE hardware.
+This KSM also serves as the way IE hardware can expose its capabilities to
+upper layers. The generic mode of operation is: each device driver that wants
+to support IE will construct a KSM and set it up in its struct request_queue.
+Upper layers that want to use IE on this device can then use this KSM in
+the device's struct request_queue to translate an encryption context into
+a keyslot. The presence of the KSM in the request queue shall be used to mean
+that the device supports IE.
+
+The KSM uses refcounts to track which keyslots are idle (either they have no
+encryption context programmed, or there are no in-flight struct bios
+referencing that keyslot). When a new encryption context needs a keyslot, it
+tries to find a keyslot that has already been programmed with the same
+encryption context, and if there is no such keyslot, it evicts the least
+recently used idle keyslot and programs the new encryption context into that
+one. If no idle keyslots are available, then the caller will sleep until there
+is at least one.
+
+
+blk-mq changes, other block layer changes and blk-crypto-fallback
+=================================================================
+
+We add a pointer to a ``bi_crypt_context`` and ``keyslot`` to
+:c:type:`struct request`. These will be referred to as the ``crypto fields``
+for the request. This ``keyslot`` is the keyslot into which the
+``bi_crypt_context`` has been programmed in the KSM of the ``request_queue``
+that this request is being sent to.
+
+We introduce ``block/blk-crypto-fallback.c``, which allows upper layers to remain
+blissfully unaware of whether or not real inline encryption hardware is present
+underneath. When a bio is submitted with a target ``request_queue`` that doesn't
+support the encryption context specified with the bio, the block layer will
+en/decrypt the bio with the blk-crypto-fallback.
+
+If the bio is a ``WRITE`` bio, a bounce bio is allocated, and the data in the bio
+is encrypted stored in the bounce bio - blk-mq will then proceed to process the
+bounce bio as if it were not encrypted at all (except when blk-integrity is
+concerned). ``blk-crypto-fallback`` sets the bounce bio's ``bi_end_io`` to an
+internal function that cleans up the bounce bio and ends the original bio.
+
+If the bio is a ``READ`` bio, the bio's ``bi_end_io`` (and also ``bi_private``)
+is saved and overwritten by ``blk-crypto-fallback`` to
+``bio_crypto_fallback_decrypt_bio``. The bio's ``bi_crypt_context`` is also
+overwritten with ``NULL``, so that to the rest of the stack, the bio looks
+as if it was a regular bio that never had an encryption context specified.
+``bio_crypto_fallback_decrypt_bio`` will decrypt the bio, restore the original
+``bi_end_io`` (and also ``bi_private``) and end the bio again.
+
+Regardless of whether real inline encryption hardware is used or the
+blk-crypto-fallback is used, the ciphertext written to disk (and hence the
+on-disk format of data) will be the same (assuming the hardware's implementation
+of the algorithm being used adheres to spec and functions correctly).
+
+If a ``request queue``'s inline encryption hardware claimed to support the
+encryption context specified with a bio, then it will not be handled by the
+``blk-crypto-fallback``. We will eventually reach a point in blk-mq when a
+:c:type:`struct request` needs to be allocated for that bio. At that point,
+blk-mq tries to program the encryption context into the ``request_queue``'s
+keyslot_manager, and obtain a keyslot, which it stores in its newly added
+``keyslot`` field. This keyslot is released when the request is completed.
+
+When the first bio is added to a request, ``blk_crypto_rq_bio_prep`` is called,
+which sets the request's ``crypt_ctx`` to a copy of the bio's
+``bi_crypt_context``. bio_crypt_do_front_merge is called whenever a subsequent
+bio is merged to the front of the request, which updates the ``crypt_ctx`` of
+the request so that it matches the newly merged bio's ``bi_crypt_context``. In particular, the request keeps a copy of the ``bi_crypt_context`` of the first
+bio in its bio-list (blk-mq needs to be careful to maintain this invariant
+during bio and request merges).
+
+To make it possible for inline encryption to work with request queue based
+layered devices, when a request is cloned, its ``crypto fields`` are cloned as
+well. When the cloned request is submitted, blk-mq programs the
+``bi_crypt_context`` of the request into the clone's request_queue's keyslot
+manager, and stores the returned keyslot in the clone's ``keyslot``.
+
+
+API presented to users of the block layer
+=========================================
+
+``struct blk_crypto_key`` represents a crypto key (the raw key, size of the
+key, the crypto algorithm to use, the data unit size to use, and the number of
+bytes required to represent data unit numbers that will be specified with the
+``bi_crypt_context``).
+
+``blk_crypto_init_key`` allows upper layers to initialize such a
+``blk_crypto_key``.
+
+``bio_crypt_set_ctx`` should be called on any bio that a user of
+the block layer wants en/decrypted via inline encryption (or the
+blk-crypto-fallback, if hardware support isn't available for the desired
+crypto configuration). This function takes the ``blk_crypto_key`` and the
+data unit number (DUN) to use when en/decrypting the bio.
+
+``blk_crypto_config_supported`` allows upper layers to query whether or not the
+an encryption context passed to request queue can be handled by blk-crypto
+(either by real inline encryption hardware, or by the blk-crypto-fallback).
+This is useful e.g. when blk-crypto-fallback is disabled, and the upper layer
+wants to use an algorithm that may not supported by hardware - this function
+lets the upper layer know ahead of time that the algorithm isn't supported,
+and the upper layer can fallback to something else if appropriate.
+
+``blk_crypto_start_using_key`` - Upper layers must call this function on
+``blk_crypto_key`` and a ``request_queue`` before using the key with any bio
+headed for that ``request_queue``. This function ensures that either the
+hardware supports the key's crypto settings, or the crypto API fallback has
+transforms for the needed mode allocated and ready to go. Note that this
+function may allocate an ``skcipher``, and must not be called from the data
+path, since allocating ``skciphers`` from the data path can deadlock.
+
+``blk_crypto_evict_key`` *must* be called by upper layers before a
+``blk_crypto_key`` is freed. Further, it *must* only be called only once
+there are no more in-flight requests that use that ``blk_crypto_key``.
+``blk_crypto_evict_key`` will ensure that a key is removed from any keyslots in
+inline encryption hardware that the key might have been programmed into (or the blk-crypto-fallback).
+
+API presented to device drivers
+===============================
+
+A :c:type:``struct blk_keyslot_manager`` should be set up by device drivers in
+the ``request_queue`` of the device. The device driver needs to call
+``blk_ksm_init`` on the ``blk_keyslot_manager``, which specifying the number of
+keyslots supported by the hardware.
+
+The device driver also needs to tell the KSM how to actually manipulate the
+IE hardware in the device to do things like programming the crypto key into
+the IE hardware into a particular keyslot. All this is achieved through the
+:c:type:`struct blk_ksm_ll_ops` field in the KSM that the device driver
+must fill up after initing the ``blk_keyslot_manager``.
+
+The KSM also handles runtime power management for the device when applicable
+(e.g. when it wants to program a crypto key into the IE hardware, the device
+must be runtime powered on) - so the device driver must also set the ``dev``
+field in the ksm to point to the `struct device` for the KSM to use for runtime
+power management.
+
+``blk_ksm_reprogram_all_keys`` can be called by device drivers if the device
+needs each and every of its keyslots to be reprogrammed with the key it
+"should have" at the point in time when the function is called. This is useful
+e.g. if a device loses all its keys on runtime power down/up.
+
+``blk_ksm_destroy`` should be called to free up all resources used by a keyslot
+manager upon ``blk_ksm_init``, once the ``blk_keyslot_manager`` is no longer
+needed.
+
+
+Layered Devices
+===============
+
+Request queue based layered devices like dm-rq that wish to support IE need to
+create their own keyslot manager for their request queue, and expose whatever
+functionality they choose. When a layered device wants to pass a clone of that
+request to another ``request_queue``, blk-crypto will initialize and prepare the
+clone as necessary - see ``blk_crypto_insert_cloned_request`` in
+``blk-crypto.c``.
+
+
+Future Optimizations for layered devices
+========================================
+
+Creating a keyslot manager for a layered device uses up memory for each
+keyslot, and in general, a layered device merely passes the request on to a
+"child" device, so the keyslots in the layered device itself are completely
+unused, and don't need any refcounting or keyslot programming. We can instead
+define a new type of KSM; the "passthrough KSM", that layered devices can use
+to advertise an unlimited number of keyslots, and support for any encryption
+algorithms they choose, while not actually using any memory for each keyslot.
+Another use case for the "passthrough KSM" is for IE devices that do not have a
+limited number of keyslots.
+
+
+Interaction between inline encryption and blk integrity
+=======================================================
+
+At the time of this patch, there is no real hardware that supports both these
+features. However, these features do interact with each other, and it's not
+completely trivial to make them both work together properly. In particular,
+when a WRITE bio wants to use inline encryption on a device that supports both
+features, the bio will have an encryption context specified, after which
+its integrity information is calculated (using the plaintext data, since
+the encryption will happen while data is being written), and the data and
+integrity info is sent to the device. Obviously, the integrity info must be
+verified before the data is encrypted. After the data is encrypted, the device
+must not store the integrity info that it received with the plaintext data
+since that might reveal information about the plaintext data. As such, it must
+re-generate the integrity info from the ciphertext data and store that on disk
+instead. Another issue with storing the integrity info of the plaintext data is
+that it changes the on disk format depending on whether hardware inline
+encryption support is present or the kernel crypto API fallback is used (since
+if the fallback is used, the device will receive the integrity info of the
+ciphertext, not that of the plaintext).
+
+Because there isn't any real hardware yet, it seems prudent to assume that
+hardware implementations might not implement both features together correctly,
+and disallow the combination for now. Whenever a device supports integrity, the
+kernel will pretend that the device does not support hardware inline encryption
+(by essentially setting the keyslot manager in the request_queue of the device
+to NULL). When the crypto API fallback is enabled, this means that all bios with
+and encryption context will use the fallback, and IO will complete as usual.
+When the fallback is disabled, a bio with an encryption context will be failed.
diff --git a/Documentation/bpf/bpf_devel_QA.rst b/Documentation/bpf/bpf_devel_QA.rst
index 38c15c6fcb14..0b3db91dc100 100644
--- a/Documentation/bpf/bpf_devel_QA.rst
+++ b/Documentation/bpf/bpf_devel_QA.rst
@@ -437,6 +437,21 @@ needed::
See the kernels selftest `Documentation/dev-tools/kselftest.rst`_
document for further documentation.
+To maximize the number of tests passing, the .config of the kernel
+under test should match the config file fragment in
+tools/testing/selftests/bpf as closely as possible.
+
+Finally to ensure support for latest BPF Type Format features -
+discussed in `Documentation/bpf/btf.rst`_ - pahole version 1.16
+is required for kernels built with CONFIG_DEBUG_INFO_BTF=y.
+pahole is delivered in the dwarves package or can be built
+from source at
+
+https://github.com/acmel/dwarves
+
+Some distros have pahole version 1.16 packaged already, e.g.
+Fedora, Gentoo.
+
Q: Which BPF kernel selftests version should I run my kernel against?
---------------------------------------------------------------------
A: If you run a kernel ``xyz``, then always run the BPF kernel selftests
diff --git a/Documentation/bpf/index.rst b/Documentation/bpf/index.rst
index f99677f3572f..38b4db8be7a2 100644
--- a/Documentation/bpf/index.rst
+++ b/Documentation/bpf/index.rst
@@ -7,7 +7,7 @@ Filter) facility, with a focus on the extended BPF version (eBPF).
This kernel side documentation is still work in progress. The main
textual documentation is (for historical reasons) described in
-`Documentation/networking/filter.txt`_, which describe both classical
+`Documentation/networking/filter.rst`_, which describe both classical
and extended BPF instruction-set.
The Cilium project also maintains a `BPF and XDP Reference Guide`_
that goes into great technical depth about the BPF Architecture.
@@ -59,7 +59,7 @@ Testing and debugging BPF
.. Links:
-.. _Documentation/networking/filter.txt: ../networking/filter.txt
+.. _Documentation/networking/filter.rst: ../networking/filter.txt
.. _man-pages: https://www.kernel.org/doc/man-pages/
.. _bpf(2): http://man7.org/linux/man-pages/man2/bpf.2.html
.. _BPF and XDP Reference Guide: http://cilium.readthedocs.io/en/latest/bpf/
diff --git a/Documentation/bpf/ringbuf.rst b/Documentation/bpf/ringbuf.rst
new file mode 100644
index 000000000000..75f943f0009d
--- /dev/null
+++ b/Documentation/bpf/ringbuf.rst
@@ -0,0 +1,209 @@
+===============
+BPF ring buffer
+===============
+
+This document describes BPF ring buffer design, API, and implementation details.
+
+.. contents::
+ :local:
+ :depth: 2
+
+Motivation
+----------
+
+There are two distinctive motivators for this work, which are not satisfied by
+existing perf buffer, which prompted creation of a new ring buffer
+implementation.
+
+- more efficient memory utilization by sharing ring buffer across CPUs;
+- preserving ordering of events that happen sequentially in time, even across
+ multiple CPUs (e.g., fork/exec/exit events for a task).
+
+These two problems are independent, but perf buffer fails to satisfy both.
+Both are a result of a choice to have per-CPU perf ring buffer. Both can be
+also solved by having an MPSC implementation of ring buffer. The ordering
+problem could technically be solved for perf buffer with some in-kernel
+counting, but given the first one requires an MPSC buffer, the same solution
+would solve the second problem automatically.
+
+Semantics and APIs
+------------------
+
+Single ring buffer is presented to BPF programs as an instance of BPF map of
+type ``BPF_MAP_TYPE_RINGBUF``. Two other alternatives considered, but
+ultimately rejected.
+
+One way would be to, similar to ``BPF_MAP_TYPE_PERF_EVENT_ARRAY``, make
+``BPF_MAP_TYPE_RINGBUF`` could represent an array of ring buffers, but not
+enforce "same CPU only" rule. This would be more familiar interface compatible
+with existing perf buffer use in BPF, but would fail if application needed more
+advanced logic to lookup ring buffer by arbitrary key.
+``BPF_MAP_TYPE_HASH_OF_MAPS`` addresses this with current approach.
+Additionally, given the performance of BPF ringbuf, many use cases would just
+opt into a simple single ring buffer shared among all CPUs, for which current
+approach would be an overkill.
+
+Another approach could introduce a new concept, alongside BPF map, to represent
+generic "container" object, which doesn't necessarily have key/value interface
+with lookup/update/delete operations. This approach would add a lot of extra
+infrastructure that has to be built for observability and verifier support. It
+would also add another concept that BPF developers would have to familiarize
+themselves with, new syntax in libbpf, etc. But then would really provide no
+additional benefits over the approach of using a map. ``BPF_MAP_TYPE_RINGBUF``
+doesn't support lookup/update/delete operations, but so doesn't few other map
+types (e.g., queue and stack; array doesn't support delete, etc).
+
+The approach chosen has an advantage of re-using existing BPF map
+infrastructure (introspection APIs in kernel, libbpf support, etc), being
+familiar concept (no need to teach users a new type of object in BPF program),
+and utilizing existing tooling (bpftool). For common scenario of using a single
+ring buffer for all CPUs, it's as simple and straightforward, as would be with
+a dedicated "container" object. On the other hand, by being a map, it can be
+combined with ``ARRAY_OF_MAPS`` and ``HASH_OF_MAPS`` map-in-maps to implement
+a wide variety of topologies, from one ring buffer for each CPU (e.g., as
+a replacement for perf buffer use cases), to a complicated application
+hashing/sharding of ring buffers (e.g., having a small pool of ring buffers
+with hashed task's tgid being a look up key to preserve order, but reduce
+contention).
+
+Key and value sizes are enforced to be zero. ``max_entries`` is used to specify
+the size of ring buffer and has to be a power of 2 value.
+
+There are a bunch of similarities between perf buffer
+(``BPF_MAP_TYPE_PERF_EVENT_ARRAY``) and new BPF ring buffer semantics:
+
+- variable-length records;
+- if there is no more space left in ring buffer, reservation fails, no
+ blocking;
+- memory-mappable data area for user-space applications for ease of
+ consumption and high performance;
+- epoll notifications for new incoming data;
+- but still the ability to do busy polling for new data to achieve the
+ lowest latency, if necessary.
+
+BPF ringbuf provides two sets of APIs to BPF programs:
+
+- ``bpf_ringbuf_output()`` allows to *copy* data from one place to a ring
+ buffer, similarly to ``bpf_perf_event_output()``;
+- ``bpf_ringbuf_reserve()``/``bpf_ringbuf_commit()``/``bpf_ringbuf_discard()``
+ APIs split the whole process into two steps. First, a fixed amount of space
+ is reserved. If successful, a pointer to a data inside ring buffer data
+ area is returned, which BPF programs can use similarly to a data inside
+ array/hash maps. Once ready, this piece of memory is either committed or
+ discarded. Discard is similar to commit, but makes consumer ignore the
+ record.
+
+``bpf_ringbuf_output()`` has disadvantage of incurring extra memory copy,
+because record has to be prepared in some other place first. But it allows to
+submit records of the length that's not known to verifier beforehand. It also
+closely matches ``bpf_perf_event_output()``, so will simplify migration
+significantly.
+
+``bpf_ringbuf_reserve()`` avoids the extra copy of memory by providing a memory
+pointer directly to ring buffer memory. In a lot of cases records are larger
+than BPF stack space allows, so many programs have use extra per-CPU array as
+a temporary heap for preparing sample. bpf_ringbuf_reserve() avoid this needs
+completely. But in exchange, it only allows a known constant size of memory to
+be reserved, such that verifier can verify that BPF program can't access memory
+outside its reserved record space. bpf_ringbuf_output(), while slightly slower
+due to extra memory copy, covers some use cases that are not suitable for
+``bpf_ringbuf_reserve()``.
+
+The difference between commit and discard is very small. Discard just marks
+a record as discarded, and such records are supposed to be ignored by consumer
+code. Discard is useful for some advanced use-cases, such as ensuring
+all-or-nothing multi-record submission, or emulating temporary
+``malloc()``/``free()`` within single BPF program invocation.
+
+Each reserved record is tracked by verifier through existing
+reference-tracking logic, similar to socket ref-tracking. It is thus
+impossible to reserve a record, but forget to submit (or discard) it.
+
+``bpf_ringbuf_query()`` helper allows to query various properties of ring
+buffer. Currently 4 are supported:
+
+- ``BPF_RB_AVAIL_DATA`` returns amount of unconsumed data in ring buffer;
+- ``BPF_RB_RING_SIZE`` returns the size of ring buffer;
+- ``BPF_RB_CONS_POS``/``BPF_RB_PROD_POS`` returns current logical possition
+ of consumer/producer, respectively.
+
+Returned values are momentarily snapshots of ring buffer state and could be
+off by the time helper returns, so this should be used only for
+debugging/reporting reasons or for implementing various heuristics, that take
+into account highly-changeable nature of some of those characteristics.
+
+One such heuristic might involve more fine-grained control over poll/epoll
+notifications about new data availability in ring buffer. Together with
+``BPF_RB_NO_WAKEUP``/``BPF_RB_FORCE_WAKEUP`` flags for output/commit/discard
+helpers, it allows BPF program a high degree of control and, e.g., more
+efficient batched notifications. Default self-balancing strategy, though,
+should be adequate for most applications and will work reliable and efficiently
+already.
+
+Design and Implementation
+-------------------------
+
+This reserve/commit schema allows a natural way for multiple producers, either
+on different CPUs or even on the same CPU/in the same BPF program, to reserve
+independent records and work with them without blocking other producers. This
+means that if BPF program was interruped by another BPF program sharing the
+same ring buffer, they will both get a record reserved (provided there is
+enough space left) and can work with it and submit it independently. This
+applies to NMI context as well, except that due to using a spinlock during
+reservation, in NMI context, ``bpf_ringbuf_reserve()`` might fail to get
+a lock, in which case reservation will fail even if ring buffer is not full.
+
+The ring buffer itself internally is implemented as a power-of-2 sized
+circular buffer, with two logical and ever-increasing counters (which might
+wrap around on 32-bit architectures, that's not a problem):
+
+- consumer counter shows up to which logical position consumer consumed the
+ data;
+- producer counter denotes amount of data reserved by all producers.
+
+Each time a record is reserved, producer that "owns" the record will
+successfully advance producer counter. At that point, data is still not yet
+ready to be consumed, though. Each record has 8 byte header, which contains the
+length of reserved record, as well as two extra bits: busy bit to denote that
+record is still being worked on, and discard bit, which might be set at commit
+time if record is discarded. In the latter case, consumer is supposed to skip
+the record and move on to the next one. Record header also encodes record's
+relative offset from the beginning of ring buffer data area (in pages). This
+allows ``bpf_ringbuf_commit()``/``bpf_ringbuf_discard()`` to accept only the
+pointer to the record itself, without requiring also the pointer to ring buffer
+itself. Ring buffer memory location will be restored from record metadata
+header. This significantly simplifies verifier, as well as improving API
+usability.
+
+Producer counter increments are serialized under spinlock, so there is
+a strict ordering between reservations. Commits, on the other hand, are
+completely lockless and independent. All records become available to consumer
+in the order of reservations, but only after all previous records where
+already committed. It is thus possible for slow producers to temporarily hold
+off submitted records, that were reserved later.
+
+Reservation/commit/consumer protocol is verified by litmus tests in
+Documentation/litmus_tests/bpf-rb/_.
+
+One interesting implementation bit, that significantly simplifies (and thus
+speeds up as well) implementation of both producers and consumers is how data
+area is mapped twice contiguously back-to-back in the virtual memory. This
+allows to not take any special measures for samples that have to wrap around
+at the end of the circular buffer data area, because the next page after the
+last data page would be first data page again, and thus the sample will still
+appear completely contiguous in virtual memory. See comment and a simple ASCII
+diagram showing this visually in ``bpf_ringbuf_area_alloc()``.
+
+Another feature that distinguishes BPF ringbuf from perf ring buffer is
+a self-pacing notifications of new data being availability.
+``bpf_ringbuf_commit()`` implementation will send a notification of new record
+being available after commit only if consumer has already caught up right up to
+the record being committed. If not, consumer still has to catch up and thus
+will see new data anyways without needing an extra poll notification.
+Benchmarks (see tools/testing/selftests/bpf/benchs/bench_ringbuf.c_) show that
+this allows to achieve a very high throughput without having to resort to
+tricks like "notify only every Nth sample", which are necessary with perf
+buffer. For extreme cases, when BPF program wants more manual control of
+notifications, commit/discard/output helpers accept ``BPF_RB_NO_WAKEUP`` and
+``BPF_RB_FORCE_WAKEUP`` flags, which give full control over notifications of
+data availability, but require extra caution and diligence in using this API.
diff --git a/Documentation/conf.py b/Documentation/conf.py
index 9ae8e9abf846..f6a1bc07c410 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -388,44 +388,6 @@ if major == 1 and minor < 6:
# author, documentclass [howto, manual, or own class]).
# Sorted in alphabetical order
latex_documents = [
- ('admin-guide/index', 'linux-user.tex', 'Linux Kernel User Documentation',
- 'The kernel development community', 'manual'),
- ('core-api/index', 'core-api.tex', 'The kernel core API manual',
- 'The kernel development community', 'manual'),
- ('crypto/index', 'crypto-api.tex', 'Linux Kernel Crypto API manual',
- 'The kernel development community', 'manual'),
- ('dev-tools/index', 'dev-tools.tex', 'Development tools for the Kernel',
- 'The kernel development community', 'manual'),
- ('doc-guide/index', 'kernel-doc-guide.tex', 'Linux Kernel Documentation Guide',
- 'The kernel development community', 'manual'),
- ('driver-api/index', 'driver-api.tex', 'The kernel driver API manual',
- 'The kernel development community', 'manual'),
- ('filesystems/index', 'filesystems.tex', 'Linux Filesystems API',
- 'The kernel development community', 'manual'),
- ('admin-guide/ext4', 'ext4-admin-guide.tex', 'ext4 Administration Guide',
- 'ext4 Community', 'manual'),
- ('filesystems/ext4/index', 'ext4-data-structures.tex',
- 'ext4 Data Structures and Algorithms', 'ext4 Community', 'manual'),
- ('gpu/index', 'gpu.tex', 'Linux GPU Driver Developer\'s Guide',
- 'The kernel development community', 'manual'),
- ('input/index', 'linux-input.tex', 'The Linux input driver subsystem',
- 'The kernel development community', 'manual'),
- ('kernel-hacking/index', 'kernel-hacking.tex', 'Unreliable Guide To Hacking The Linux Kernel',
- 'The kernel development community', 'manual'),
- ('media/index', 'media.tex', 'Linux Media Subsystem Documentation',
- 'The kernel development community', 'manual'),
- ('networking/index', 'networking.tex', 'Linux Networking Documentation',
- 'The kernel development community', 'manual'),
- ('process/index', 'development-process.tex', 'Linux Kernel Development Documentation',
- 'The kernel development community', 'manual'),
- ('security/index', 'security.tex', 'The kernel security subsystem manual',
- 'The kernel development community', 'manual'),
- ('sh/index', 'sh.tex', 'SuperH architecture implementation manual',
- 'The kernel development community', 'manual'),
- ('sound/index', 'sound.tex', 'Linux Sound Subsystem Documentation',
- 'The kernel development community', 'manual'),
- ('userspace-api/index', 'userspace-api.tex', 'The Linux kernel user-space API guide',
- 'The kernel development community', 'manual'),
]
# Add all other index files from Documentation/ subdirectories
diff --git a/Documentation/core-api/cachetlb.rst b/Documentation/core-api/cachetlb.rst
index 93cb65d52720..a1582cc79f0f 100644
--- a/Documentation/core-api/cachetlb.rst
+++ b/Documentation/core-api/cachetlb.rst
@@ -213,7 +213,7 @@ Here are the routines, one by one:
there will be no entries in the cache for the kernel address
space for virtual addresses in the range 'start' to 'end-1'.
- The first of these two routines is invoked after map_vm_area()
+ The first of these two routines is invoked after map_kernel_range()
has installed the page table entries. The second is invoked
before unmap_kernel_range() deletes the page table entries.
diff --git a/Documentation/debugging-via-ohci1394.txt b/Documentation/core-api/debugging-via-ohci1394.rst
index 981ad4f89fd3..981ad4f89fd3 100644
--- a/Documentation/debugging-via-ohci1394.txt
+++ b/Documentation/core-api/debugging-via-ohci1394.rst
diff --git a/Documentation/DMA-API-HOWTO.txt b/Documentation/core-api/dma-api-howto.rst
index 358d495456d1..358d495456d1 100644
--- a/Documentation/DMA-API-HOWTO.txt
+++ b/Documentation/core-api/dma-api-howto.rst
diff --git a/Documentation/DMA-API.txt b/Documentation/core-api/dma-api.rst
index 2d8d2fed7317..2d8d2fed7317 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/core-api/dma-api.rst
diff --git a/Documentation/DMA-attributes.txt b/Documentation/core-api/dma-attributes.rst
index 29dcbe8826e8..29dcbe8826e8 100644
--- a/Documentation/DMA-attributes.txt
+++ b/Documentation/core-api/dma-attributes.rst
diff --git a/Documentation/DMA-ISA-LPC.txt b/Documentation/core-api/dma-isa-lpc.rst
index b1ec7b16c21f..b1ec7b16c21f 100644
--- a/Documentation/DMA-ISA-LPC.txt
+++ b/Documentation/core-api/dma-isa-lpc.rst
diff --git a/Documentation/core-api/index.rst b/Documentation/core-api/index.rst
index 0897ad12c119..15ab86112627 100644
--- a/Documentation/core-api/index.rst
+++ b/Documentation/core-api/index.rst
@@ -18,6 +18,7 @@ it.
kernel-api
workqueue
+ printk-basics
printk-formats
symbol-namespaces
@@ -30,10 +31,12 @@ Library functionality that is used throughout the kernel.
:maxdepth: 1
kobject
+ kref
assoc_array
xarray
idr
circular-buffers
+ rbtree
generic-radix-tree
packing
timekeeping
@@ -50,6 +53,7 @@ How Linux keeps everything from happening at the same time. See
atomic_ops
refcount-vs-atomic
+ irq/index
local_ops
padata
../RCU/index
@@ -78,6 +82,10 @@ more memory-management documentation in :doc:`/vm/index`.
:maxdepth: 1
memory-allocation
+ dma-api
+ dma-api-howto
+ dma-attributes
+ dma-isa-lpc
mm-api
genalloc
pin_user_pages
@@ -92,6 +100,7 @@ Interfaces for kernel debugging
debug-objects
tracepoint
+ debugging-via-ohci1394
Everything else
===============
diff --git a/Documentation/IRQ.txt b/Documentation/core-api/irq/concepts.rst
index 4273806a606b..4273806a606b 100644
--- a/Documentation/IRQ.txt
+++ b/Documentation/core-api/irq/concepts.rst
diff --git a/Documentation/core-api/irq/index.rst b/Documentation/core-api/irq/index.rst
new file mode 100644
index 000000000000..0d65d11e5420
--- /dev/null
+++ b/Documentation/core-api/irq/index.rst
@@ -0,0 +1,11 @@
+====
+IRQs
+====
+
+.. toctree::
+ :maxdepth: 1
+
+ concepts
+ irq-affinity
+ irq-domain
+ irqflags-tracing
diff --git a/Documentation/IRQ-affinity.txt b/Documentation/core-api/irq/irq-affinity.rst
index 29da5000836a..29da5000836a 100644
--- a/Documentation/IRQ-affinity.txt
+++ b/Documentation/core-api/irq/irq-affinity.rst
diff --git a/Documentation/IRQ-domain.txt b/Documentation/core-api/irq/irq-domain.rst
index 507775cce753..096db12f32d5 100644
--- a/Documentation/IRQ-domain.txt
+++ b/Documentation/core-api/irq/irq-domain.rst
@@ -263,7 +263,8 @@ needs to:
Hierarchy irq_domain is in no way x86 specific, and is heavily used to
support other architectures, such as ARM, ARM64 etc.
-=== Debugging ===
+Debugging
+=========
Most of the internals of the IRQ subsystem are exposed in debugfs by
turning CONFIG_GENERIC_IRQ_DEBUGFS on.
diff --git a/Documentation/irqflags-tracing.txt b/Documentation/core-api/irq/irqflags-tracing.rst
index bdd208259fb3..bdd208259fb3 100644
--- a/Documentation/irqflags-tracing.txt
+++ b/Documentation/core-api/irq/irqflags-tracing.rst
diff --git a/Documentation/core-api/kobject.rst b/Documentation/core-api/kobject.rst
index 1f62d4d7d966..e93dc8cf52dd 100644
--- a/Documentation/core-api/kobject.rst
+++ b/Documentation/core-api/kobject.rst
@@ -80,11 +80,11 @@ what is the pointer to the containing structure? You must avoid tricks
(such as assuming that the kobject is at the beginning of the structure)
and, instead, use the container_of() macro, found in ``<linux/kernel.h>``::
- container_of(pointer, type, member)
+ container_of(ptr, type, member)
where:
- * ``pointer`` is the pointer to the embedded kobject,
+ * ``ptr`` is the pointer to the embedded kobject,
* ``type`` is the type of the containing structure, and
* ``member`` is the name of the structure field to which ``pointer`` points.
@@ -140,7 +140,7 @@ the name of the kobject, call kobject_rename()::
int kobject_rename(struct kobject *kobj, const char *new_name);
-kobject_rename does not perform any locking or have a solid notion of
+kobject_rename() does not perform any locking or have a solid notion of
what names are valid so the caller must provide their own sanity checking
and serialization.
@@ -210,7 +210,7 @@ statically and will warn the developer of this improper usage.
If all that you want to use a kobject for is to provide a reference counter
for your structure, please use the struct kref instead; a kobject would be
overkill. For more information on how to use struct kref, please see the
-file Documentation/kref.txt in the Linux kernel source tree.
+file Documentation/core-api/kref.rst in the Linux kernel source tree.
Creating "simple" kobjects
@@ -222,17 +222,17 @@ ksets, show and store functions, and other details. This is the one
exception where a single kobject should be created. To create such an
entry, use the function::
- struct kobject *kobject_create_and_add(char *name, struct kobject *parent);
+ struct kobject *kobject_create_and_add(const char *name, struct kobject *parent);
This function will create a kobject and place it in sysfs in the location
underneath the specified parent kobject. To create simple attributes
associated with this kobject, use::
- int sysfs_create_file(struct kobject *kobj, struct attribute *attr);
+ int sysfs_create_file(struct kobject *kobj, const struct attribute *attr);
or::
- int sysfs_create_group(struct kobject *kobj, struct attribute_group *grp);
+ int sysfs_create_group(struct kobject *kobj, const struct attribute_group *grp);
Both types of attributes used here, with a kobject that has been created
with the kobject_create_and_add(), can be of type kobj_attribute, so no
@@ -300,8 +300,10 @@ kobj_type::
void (*release)(struct kobject *kobj);
const struct sysfs_ops *sysfs_ops;
struct attribute **default_attrs;
+ const struct attribute_group **default_groups;
const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj);
const void *(*namespace)(struct kobject *kobj);
+ void (*get_ownership)(struct kobject *kobj, kuid_t *uid, kgid_t *gid);
};
This structure is used to describe a particular type of kobject (or, more
@@ -352,12 +354,12 @@ created and never declared statically or on the stack. To create a new
kset use::
struct kset *kset_create_and_add(const char *name,
- struct kset_uevent_ops *u,
- struct kobject *parent);
+ const struct kset_uevent_ops *uevent_ops,
+ struct kobject *parent_kobj);
When you are finished with the kset, call::
- void kset_unregister(struct kset *kset);
+ void kset_unregister(struct kset *k);
to destroy it. This removes the kset from sysfs and decrements its reference
count. When the reference count goes to zero, the kset will be released.
@@ -371,9 +373,9 @@ If a kset wishes to control the uevent operations of the kobjects
associated with it, it can use the struct kset_uevent_ops to handle it::
struct kset_uevent_ops {
- int (*filter)(struct kset *kset, struct kobject *kobj);
- const char *(*name)(struct kset *kset, struct kobject *kobj);
- int (*uevent)(struct kset *kset, struct kobject *kobj,
+ int (* const filter)(struct kset *kset, struct kobject *kobj);
+ const char *(* const name)(struct kset *kset, struct kobject *kobj);
+ int (* const uevent)(struct kset *kset, struct kobject *kobj,
struct kobj_uevent_env *env);
};
diff --git a/Documentation/kref.txt b/Documentation/core-api/kref.rst
index c61eea6f1bf2..c61eea6f1bf2 100644
--- a/Documentation/kref.txt
+++ b/Documentation/core-api/kref.rst
diff --git a/Documentation/core-api/padata.rst b/Documentation/core-api/padata.rst
index 9a24c111781d..0830e5b0e821 100644
--- a/Documentation/core-api/padata.rst
+++ b/Documentation/core-api/padata.rst
@@ -4,23 +4,26 @@
The padata parallel execution mechanism
=======================================
-:Date: December 2019
+:Date: May 2020
Padata is a mechanism by which the kernel can farm jobs out to be done in
-parallel on multiple CPUs while retaining their ordering. It was developed for
-use with the IPsec code, which needs to be able to perform encryption and
-decryption on large numbers of packets without reordering those packets. The
-crypto developers made a point of writing padata in a sufficiently general
-fashion that it could be put to other uses as well.
+parallel on multiple CPUs while optionally retaining their ordering.
-Usage
-=====
+It was originally developed for IPsec, which needs to perform encryption and
+decryption on large numbers of packets without reordering those packets. This
+is currently the sole consumer of padata's serialized job support.
+
+Padata also supports multithreaded jobs, splitting up the job evenly while load
+balancing and coordinating between threads.
+
+Running Serialized Jobs
+=======================
Initializing
------------
-The first step in using padata is to set up a padata_instance structure for
-overall control of how jobs are to be run::
+The first step in using padata to run serialized jobs is to set up a
+padata_instance structure for overall control of how jobs are to be run::
#include <linux/padata.h>
@@ -162,6 +165,24 @@ functions that correspond to the allocation in reverse::
It is the user's responsibility to ensure all outstanding jobs are complete
before any of the above are called.
+Running Multithreaded Jobs
+==========================
+
+A multithreaded job has a main thread and zero or more helper threads, with the
+main thread participating in the job and then waiting until all helpers have
+finished. padata splits the job into units called chunks, where a chunk is a
+piece of the job that one thread completes in one call to the thread function.
+
+A user has to do three things to run a multithreaded job. First, describe the
+job by defining a padata_mt_job structure, which is explained in the Interface
+section. This includes a pointer to the thread function, which padata will
+call each time it assigns a job chunk to a thread. Then, define the thread
+function, which accepts three arguments, ``start``, ``end``, and ``arg``, where
+the first two delimit the range that the thread operates on and the last is a
+pointer to the job's shared state, if any. Prepare the shared state, which is
+typically allocated on the main thread's stack. Last, call
+padata_do_multithreaded(), which will return once the job is finished.
+
Interface
=========
diff --git a/Documentation/core-api/printk-basics.rst b/Documentation/core-api/printk-basics.rst
new file mode 100644
index 000000000000..563a9ce5fe1d
--- /dev/null
+++ b/Documentation/core-api/printk-basics.rst
@@ -0,0 +1,115 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================
+Message logging with printk
+===========================
+
+printk() is one of the most widely known functions in the Linux kernel. It's the
+standard tool we have for printing messages and usually the most basic way of
+tracing and debugging. If you're familiar with printf(3) you can tell printk()
+is based on it, although it has some functional differences:
+
+ - printk() messages can specify a log level.
+
+ - the format string, while largely compatible with C99, doesn't follow the
+ exact same specification. It has some extensions and a few limitations
+ (no ``%n`` or floating point conversion specifiers). See :ref:`How to get
+ printk format specifiers right <printk-specifiers>`.
+
+All printk() messages are printed to the kernel log buffer, which is a ring
+buffer exported to userspace through /dev/kmsg. The usual way to read it is
+using ``dmesg``.
+
+printk() is typically used like this::
+
+ printk(KERN_INFO "Message: %s\n", arg);
+
+where ``KERN_INFO`` is the log level (note that it's concatenated to the format
+string, the log level is not a separate argument). The available log levels are:
+
++----------------+--------+-----------------------------------------------+
+| Name | String | Alias function |
++================+========+===============================================+
+| KERN_EMERG | "0" | pr_emerg() |
++----------------+--------+-----------------------------------------------+
+| KERN_ALERT | "1" | pr_alert() |
++----------------+--------+-----------------------------------------------+
+| KERN_CRIT | "2" | pr_crit() |
++----------------+--------+-----------------------------------------------+
+| KERN_ERR | "3" | pr_err() |
++----------------+--------+-----------------------------------------------+
+| KERN_WARNING | "4" | pr_warn() |
++----------------+--------+-----------------------------------------------+
+| KERN_NOTICE | "5" | pr_notice() |
++----------------+--------+-----------------------------------------------+
+| KERN_INFO | "6" | pr_info() |
++----------------+--------+-----------------------------------------------+
+| KERN_DEBUG | "7" | pr_debug() and pr_devel() if DEBUG is defined |
++----------------+--------+-----------------------------------------------+
+| KERN_DEFAULT | "" | |
++----------------+--------+-----------------------------------------------+
+| KERN_CONT | "c" | pr_cont() |
++----------------+--------+-----------------------------------------------+
+
+
+The log level specifies the importance of a message. The kernel decides whether
+to show the message immediately (printing it to the current console) depending
+on its log level and the current *console_loglevel* (a kernel variable). If the
+message priority is higher (lower log level value) than the *console_loglevel*
+the message will be printed to the console.
+
+If the log level is omitted, the message is printed with ``KERN_DEFAULT``
+level.
+
+You can check the current *console_loglevel* with::
+
+ $ cat /proc/sys/kernel/printk
+ 4 4 1 7
+
+The result shows the *current*, *default*, *minimum* and *boot-time-default* log
+levels.
+
+To change the current console_loglevel simply write the the desired level to
+``/proc/sys/kernel/printk``. For example, to print all messages to the console::
+
+ # echo 8 > /proc/sys/kernel/printk
+
+Another way, using ``dmesg``::
+
+ # dmesg -n 5
+
+sets the console_loglevel to print KERN_WARNING (4) or more severe messages to
+console. See ``dmesg(1)`` for more information.
+
+As an alternative to printk() you can use the ``pr_*()`` aliases for
+logging. This family of macros embed the log level in the macro names. For
+example::
+
+ pr_info("Info message no. %d\n", msg_num);
+
+prints a ``KERN_INFO`` message.
+
+Besides being more concise than the equivalent printk() calls, they can use a
+common definition for the format string through the pr_fmt() macro. For
+instance, defining this at the top of a source file (before any ``#include``
+directive)::
+
+ #define pr_fmt(fmt) "%s:%s: " fmt, KBUILD_MODNAME, __func__
+
+would prefix every pr_*() message in that file with the module and function name
+that originated the message.
+
+For debugging purposes there are also two conditionally-compiled macros:
+pr_debug() and pr_devel(), which are compiled-out unless ``DEBUG`` (or
+also ``CONFIG_DYNAMIC_DEBUG`` in the case of pr_debug()) is defined.
+
+
+Function reference
+==================
+
+.. kernel-doc:: kernel/printk/printk.c
+ :functions: printk
+
+.. kernel-doc:: include/linux/printk.h
+ :functions: pr_emerg pr_alert pr_crit pr_err pr_warn pr_notice pr_info
+ pr_fmt pr_debug pr_devel pr_cont
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst
index 8ebe46b1af39..8c9aba262b1e 100644
--- a/Documentation/core-api/printk-formats.rst
+++ b/Documentation/core-api/printk-formats.rst
@@ -2,6 +2,8 @@
How to get printk format specifiers right
=========================================
+.. _printk-specifiers:
+
:Author: Randy Dunlap <rdunlap@infradead.org>
:Author: Andrew Murray <amurray@mpc-data.co.uk>
@@ -112,6 +114,20 @@ used when printing stack backtraces. The specifier takes into
consideration the effect of compiler optimisations which may occur
when tail-calls are used and marked with the noreturn GCC attribute.
+Probed Pointers from BPF / tracing
+----------------------------------
+
+::
+
+ %pks kernel string
+ %pus user string
+
+The ``k`` and ``u`` specifiers are used for printing prior probed memory from
+either kernel memory (k) or user memory (u). The subsequent ``s`` specifier
+results in printing a string. For direct use in regular vsnprintf() the (k)
+and (u) annotation is ignored, however, when used out of BPF's bpf_trace_printk(),
+for example, it reads the memory it is pointing to without faulting.
+
Kernel Pointers
---------------
@@ -468,21 +484,23 @@ Examples (OF)::
%pfwf /ocp@68000000/i2c@48072000/camera@10/port/endpoint - Full name
%pfwP endpoint - Node name
-Time and date (struct rtc_time)
--------------------------------
+Time and date
+-------------
::
- %ptR YYYY-mm-ddTHH:MM:SS
- %ptRd YYYY-mm-dd
- %ptRt HH:MM:SS
- %ptR[dt][r]
+ %pt[RT] YYYY-mm-ddTHH:MM:SS
+ %pt[RT]d YYYY-mm-dd
+ %pt[RT]t HH:MM:SS
+ %pt[RT][dt][r]
-For printing date and time as represented by struct rtc_time structure in
-human readable format.
+For printing date and time as represented by
+ R struct rtc_time structure
+ T time64_t type
+in human readable format.
-By default year will be incremented by 1900 and month by 1. Use %ptRr (raw)
-to suppress this behaviour.
+By default year will be incremented by 1900 and month by 1.
+Use %pt[RT]r (raw) to suppress this behaviour.
Passed by reference.
diff --git a/Documentation/core-api/protection-keys.rst b/Documentation/core-api/protection-keys.rst
index 49d9833af871..ec575e72d0b2 100644
--- a/Documentation/core-api/protection-keys.rst
+++ b/Documentation/core-api/protection-keys.rst
@@ -5,8 +5,9 @@ Memory Protection Keys
======================
Memory Protection Keys for Userspace (PKU aka PKEYs) is a feature
-which is found on Intel's Skylake "Scalable Processor" Server CPUs.
-It will be avalable in future non-server parts.
+which is found on Intel's Skylake (and later) "Scalable Processor"
+Server CPUs. It will be available in future non-server Intel parts
+and future AMD processors.
For anyone wishing to test or use this feature, it is available in
Amazon's EC2 C5 instances and is known to work there using an Ubuntu
diff --git a/Documentation/rbtree.txt b/Documentation/core-api/rbtree.rst
index 523d54b60087..523d54b60087 100644
--- a/Documentation/rbtree.txt
+++ b/Documentation/core-api/rbtree.rst
diff --git a/Documentation/dev-tools/kgdb.rst b/Documentation/dev-tools/kgdb.rst
index d38be58f872a..61293f40bc6e 100644
--- a/Documentation/dev-tools/kgdb.rst
+++ b/Documentation/dev-tools/kgdb.rst
@@ -274,6 +274,30 @@ don't like this are to hack gdb to send the :kbd:`SysRq-G` for you as well as
on the initial connect, or to use a debugger proxy that allows an
unmodified gdb to do the debugging.
+Kernel parameter: ``kgdboc_earlycon``
+-------------------------------------
+
+If you specify the kernel parameter ``kgdboc_earlycon`` and your serial
+driver registers a boot console that supports polling (doesn't need
+interrupts and implements a nonblocking read() function) kgdb will attempt
+to work using the boot console until it can transition to the regular
+tty driver specified by the ``kgdboc`` parameter.
+
+Normally there is only one boot console (especially that implements the
+read() function) so just adding ``kgdboc_earlycon`` on its own is
+sufficient to make this work. If you have more than one boot console you
+can add the boot console's name to differentiate. Note that names that
+are registered through the boot console layer and the tty layer are not
+the same for the same port.
+
+For instance, on one board to be explicit you might do::
+
+ kgdboc_earlycon=qcom_geni kgdboc=ttyMSM0
+
+If the only boot console on the device was "qcom_geni", you could simplify::
+
+ kgdboc_earlycon kgdboc=ttyMSM0
+
Kernel parameter: ``kgdbwait``
------------------------------
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
index 61ae13c44f91..5d1f56fcd2e7 100644
--- a/Documentation/dev-tools/kselftest.rst
+++ b/Documentation/dev-tools/kselftest.rst
@@ -301,7 +301,8 @@ Helpers
.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
:functions: TH_LOG TEST TEST_SIGNAL FIXTURE FIXTURE_DATA FIXTURE_SETUP
- FIXTURE_TEARDOWN TEST_F TEST_HARNESS_MAIN
+ FIXTURE_TEARDOWN TEST_F TEST_HARNESS_MAIN FIXTURE_VARIANT
+ FIXTURE_VARIANT_ADD
Operators
---------
diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
index 1df680d07461..7782d9985082 100644
--- a/Documentation/devicetree/bindings/Makefile
+++ b/Documentation/devicetree/bindings/Makefile
@@ -2,6 +2,7 @@
DT_DOC_CHECKER ?= dt-doc-validate
DT_EXTRACT_EX ?= dt-extract-example
DT_MK_SCHEMA ?= dt-mk-schema
+DT_MK_SCHEMA_USERONLY_FLAG := $(if $(DT_SCHEMA_FILES), -u)
quiet_cmd_chk_binding = CHKDT $(patsubst $(srctree)/%,%,$<)
cmd_chk_binding = $(DT_DOC_CHECKER) -u $(srctree)/$(src) $< ; \
@@ -13,16 +14,18 @@ $(obj)/%.example.dts: $(src)/%.yaml FORCE
# Use full schemas when checking %.example.dts
DT_TMP_SCHEMA := $(obj)/processed-schema-examples.yaml
+find_cmd = find $(srctree)/$(src) \( -name '*.yaml' ! \
+ -name 'processed-schema*' ! \
+ -name '*.example.dt.yaml' \)
+
quiet_cmd_mk_schema = SCHEMA $@
- cmd_mk_schema = $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) -o $@ $(real-prereqs)
+ cmd_mk_schema = rm -f $@ ; \
+ $(if $(DT_MK_SCHEMA_FLAGS), \
+ echo $(real-prereqs), \
+ $(find_cmd)) | \
+ xargs $(DT_MK_SCHEMA) $(DT_MK_SCHEMA_FLAGS) >> $@
-DT_DOCS = $(addprefix $(src)/, \
- $(shell \
- cd $(srctree)/$(src) && \
- find * \( -name '*.yaml' ! \
- -name 'processed-schema*' ! \
- -name '*.example.dt.yaml' \) \
- ))
+DT_DOCS = $(shell $(find_cmd) | sed -e 's|^$(srctree)/||')
DT_SCHEMA_FILES ?= $(DT_DOCS)
@@ -37,7 +40,7 @@ override DTC_FLAGS := \
$(obj)/processed-schema-examples.yaml: $(DT_DOCS) FORCE
$(call if_changed,mk_schema)
-$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := -u
+$(obj)/processed-schema.yaml: DT_MK_SCHEMA_FLAGS := $(DT_MK_SCHEMA_USERONLY_FLAG)
$(obj)/processed-schema.yaml: $(DT_SCHEMA_FILES) FORCE
$(call if_changed,mk_schema)
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
deleted file mode 100644
index ecf027a9003a..000000000000
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Mediatek pericfg controller
-===========================
-
-The Mediatek pericfg controller provides various clocks and reset
-outputs to the system.
-
-Required Properties:
-
-- compatible: Should be one of:
- - "mediatek,mt2701-pericfg", "syscon"
- - "mediatek,mt2712-pericfg", "syscon"
- - "mediatek,mt7622-pericfg", "syscon"
- - "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon"
- - "mediatek,mt7629-pericfg", "syscon"
- - "mediatek,mt8135-pericfg", "syscon"
- - "mediatek,mt8173-pericfg", "syscon"
- - "mediatek,mt8183-pericfg", "syscon"
-- #clock-cells: Must be 1
-- #reset-cells: Must be 1
-
-The pericfg controller uses the common clk binding from
-Documentation/devicetree/bindings/clock/clock-bindings.txt
-The available clocks are defined in dt-bindings/clock/mt*-clk.h.
-Also it uses the common reset controller binding from
-Documentation/devicetree/bindings/reset/reset.txt.
-The available reset outputs are defined in
-dt-bindings/reset/mt*-resets.h
-
-Example:
-
-pericfg: power-controller@10003000 {
- compatible = "mediatek,mt8173-pericfg", "syscon";
- reg = <0 0x10003000 0 0x1000>;
- #clock-cells = <1>;
- #reset-cells = <1>;
-};
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
new file mode 100644
index 000000000000..55209a2baedc
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,pericfg.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek Peripheral Configuration Controller
+
+maintainers:
+ - Bartosz Golaszewski <bgolaszewski@baylibre.com>
+
+description:
+ The Mediatek pericfg controller provides various clocks and reset outputs
+ to the system.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - mediatek,mt2701-pericfg
+ - mediatek,mt2712-pericfg
+ - mediatek,mt7622-pericfg
+ - mediatek,mt7629-pericfg
+ - mediatek,mt8135-pericfg
+ - mediatek,mt8173-pericfg
+ - mediatek,mt8183-pericfg
+ - mediatek,mt8516-pericfg
+ - const: syscon
+ - items:
+ # Special case for mt7623 for backward compatibility
+ - const: mediatek,mt7623-pericfg
+ - const: mediatek,mt2701-pericfg
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ pericfg@10003000 {
+ compatible = "mediatek,mt8173-pericfg", "syscon";
+ reg = <0x10003000 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ - |
+ pericfg@10003000 {
+ compatible = "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon";
+ reg = <0x10003000 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
diff --git a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
index 9e90c2b00960..e73662c8d339 100644
--- a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
+++ b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml
@@ -119,7 +119,7 @@ examples:
panel@0 {
compatible = "bananapi,lhr050h41", "ilitek,ili9881c";
reg = <0>;
- power-gpios = <&pio 1 7 0>; /* PB07 */
+ power-supply = <&reg_display>;
reset-gpios = <&r_pio 0 5 1>; /* PL05 */
backlight = <&pwm_bl>;
};
diff --git a/Documentation/devicetree/bindings/display/bridge/adi,adv7123.txt b/Documentation/devicetree/bindings/display/bridge/adi,adv7123.txt
deleted file mode 100644
index d3c2a4914ea2..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/adi,adv7123.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-Analog Devices ADV7123 Video DAC
---------------------------------
-
-The ADV7123 is a digital-to-analog converter that outputs VGA signals from a
-parallel video input.
-
-Required properties:
-
-- compatible: Should be "adi,adv7123"
-
-Optional properties:
-
-- psave-gpios: Power save control GPIO
-
-Required nodes:
-
-The ADV7123 has two video ports. Their connections are modeled using the OF
-graph bindings specified in Documentation/devicetree/bindings/graph.txt.
-
-- Video port 0 for DPI input
-- Video port 1 for VGA output
-
-
-Example
--------
-
- adv7123: encoder@0 {
- compatible = "adi,adv7123";
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- adv7123_in: endpoint@0 {
- remote-endpoint = <&dpi_out>;
- };
- };
-
- port@1 {
- reg = <1>;
-
- adv7123_out: endpoint@0 {
- remote-endpoint = <&vga_connector_in>;
- };
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.yaml b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
index c21103869923..8c0e4f285fbc 100644
--- a/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
@@ -37,6 +37,12 @@ properties:
type: object
properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
port@0:
type: object
description: |
@@ -51,6 +57,8 @@ properties:
required:
- port@0
+ additionalProperties: false
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/display/bridge/chrontel,ch7033.yaml b/Documentation/devicetree/bindings/display/bridge/chrontel,ch7033.yaml
new file mode 100644
index 000000000000..9f38f55fc990
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/chrontel,ch7033.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2019,2020 Lubomir Rintel <lkundrak@v3.sk>
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/chrontel,ch7033.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Chrontel CH7033 Video Encoder Device Tree Bindings
+
+maintainers:
+ - Lubomir Rintel <lkundrak@v3.sk>
+
+properties:
+ compatible:
+ const: chrontel,ch7033
+
+ reg:
+ maxItems: 1
+ description: I2C address of the device
+
+ ports:
+ type: object
+
+ properties:
+ port@0:
+ type: object
+ description: |
+ Video port for RGB input.
+
+ port@1:
+ type: object
+ description: |
+ DVI port, should be connected to a node compatible with the
+ dvi-connector binding.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vga-dvi-encoder@76 {
+ compatible = "chrontel,ch7033";
+ reg = <0x76>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ endpoint {
+ remote-endpoint = <&lcd0_rgb_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ endpoint {
+ remote-endpoint = <&dvi_in>;
+ };
+ };
+
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt b/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt
deleted file mode 100644
index 164cbb15f04c..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-Dumb RGB to VGA DAC bridge
----------------------------
-
-This binding is aimed for dumb RGB to VGA DAC based bridges that do not require
-any configuration.
-
-Required properties:
-
-- compatible: Must be "dumb-vga-dac"
-
-Required nodes:
-
-This device has two video ports. Their connections are modelled using the OF
-graph bindings specified in Documentation/devicetree/bindings/graph.txt.
-
-- Video port 0 for RGB input
-- Video port 1 for VGA output
-
-Optional properties:
-- vdd-supply: Power supply for DAC
-
-Example
--------
-
-bridge {
- compatible = "dumb-vga-dac";
- #address-cells = <1>;
- #size-cells = <0>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- vga_bridge_in: endpoint {
- remote-endpoint = <&tcon0_out_vga>;
- };
- };
-
- port@1 {
- reg = <1>;
-
- vga_bridge_out: endpoint {
- remote-endpoint = <&vga_con_in>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt b/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt
deleted file mode 100644
index b13adf30b8d3..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-Synopsys DesignWare MIPI DSI host controller
-============================================
-
-This document defines device tree properties for the Synopsys DesignWare MIPI
-DSI host controller. It doesn't constitue a device tree binding specification
-by itself but is meant to be referenced by platform-specific device tree
-bindings.
-
-When referenced from platform device tree bindings the properties defined in
-this document are defined as follows. The platform device tree bindings are
-responsible for defining whether each optional property is used or not.
-
-- reg: Memory mapped base address and length of the DesignWare MIPI DSI
- host controller registers. (mandatory)
-
-- clocks: References to all the clocks specified in the clock-names property
- as specified in [1]. (mandatory)
-
-- clock-names:
- - "pclk" is the peripheral clock for either AHB and APB. (mandatory)
- - "px_clk" is the pixel clock for the DPI/RGB input. (optional)
-
-- resets: References to all the resets specified in the reset-names property
- as specified in [2]. (optional)
-
-- reset-names: string reset name, must be "apb" if used. (optional)
-
-- panel or bridge node: see [3]. (mandatory)
-
-[1] Documentation/devicetree/bindings/clock/clock-bindings.txt
-[2] Documentation/devicetree/bindings/reset/reset.txt
-[3] Documentation/devicetree/bindings/display/mipi-dsi-bus.txt
diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
new file mode 100644
index 000000000000..2c500166c65d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml
@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/ite,it6505.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ITE it6505 Device Tree Bindings
+
+maintainers:
+ - Allen Chen <allen.chen@ite.com.tw>
+
+description: |
+ The IT6505 is a high-performance DisplayPort 1.1a transmitter,
+ fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications.
+ The IT6505 supports color depth of up to 36 bits (12 bits/color)
+ and ensures robust transmission of high-quality uncompressed video
+ content, along with uncompressed and compressed digital audio content.
+
+ Aside from the various video output formats supported, the IT6505
+ also encodes and transmits up to 8 channels of I2S digital audio,
+ with sampling rate up to 192kHz and sample size up to 24 bits.
+ In addition, an S/PDIF input port takes in compressed audio of up to
+ 192kHz frame rate.
+
+ Each IT6505 chip comes preprogrammed with an unique HDCP key,
+ in compliance with the HDCP 1.3 standard so as to provide secure
+ transmission of high-definition content. Users of the IT6505 need not
+ purchase any HDCP keys or ROMs.
+
+properties:
+ compatible:
+ const: ite,it6505
+
+ ovdd-supply:
+ maxItems: 1
+ description: I/O voltage
+
+ pwr18-supply:
+ maxItems: 1
+ description: core voltage
+
+ interrupts:
+ maxItems: 1
+ description: interrupt specifier of INT pin
+
+ reset-gpios:
+ maxItems: 1
+ description: gpio specifier of RESET pin
+
+ extcon:
+ maxItems: 1
+ description: extcon specifier for the Power Delivery
+
+ port:
+ type: object
+ description: A port node pointing to DPI host port node
+
+required:
+ - compatible
+ - ovdd-supply
+ - pwr18-supply
+ - interrupts
+ - reset-gpios
+ - extcon
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dp-bridge@5c {
+ compatible = "ite,it6505";
+ interrupts = <152 IRQ_TYPE_EDGE_FALLING 152 0>;
+ reg = <0x5c>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&it6505_pins>;
+ ovdd-supply = <&mt6358_vsim1_reg>;
+ pwr18-supply = <&it6505_pp18_reg>;
+ reset-gpios = <&pio 179 1>;
+ extcon = <&usbc_extcon>;
+
+ port {
+ it6505_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
index 8f373029f5d2..800c63764e71 100644
--- a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
@@ -50,6 +50,12 @@ properties:
This device has two video ports. Their connections are modeled using the
OF graph bindings specified in Documentation/devicetree/bindings/graph.txt
properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
port@0:
type: object
description: |
@@ -66,6 +72,8 @@ properties:
- port@0
- port@1
+ additionalProperties: false
+
powerdown-gpios:
description:
The GPIO used to control the power down line of this device.
diff --git a/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml b/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml
new file mode 100644
index 000000000000..8aff2d68fc33
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/nwl-dsi.yaml
@@ -0,0 +1,226 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/nwl-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Northwest Logic MIPI-DSI controller on i.MX SoCs
+
+maintainers:
+ - Guido Gúnther <agx@sigxcpu.org>
+ - Robert Chiras <robert.chiras@nxp.com>
+
+description: |
+ NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for
+ the SOCs NWL MIPI-DSI host controller.
+
+properties:
+ compatible:
+ const: fsl,imx8mq-nwl-dsi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ clocks:
+ items:
+ - description: DSI core clock
+ - description: RX_ESC clock (used in escape mode)
+ - description: TX_ESC clock (used in escape mode)
+ - description: PHY_REF clock
+ - description: LCDIF clock
+
+ clock-names:
+ items:
+ - const: core
+ - const: rx_esc
+ - const: tx_esc
+ - const: phy_ref
+ - const: lcdif
+
+ mux-controls:
+ description:
+ mux controller node to use for operating the input mux
+
+ phys:
+ maxItems: 1
+ description:
+ A phandle to the phy module representing the DPHY
+
+ phy-names:
+ items:
+ - const: dphy
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ items:
+ - description: dsi byte reset line
+ - description: dsi dpi reset line
+ - description: dsi esc reset line
+ - description: dsi pclk reset line
+
+ reset-names:
+ items:
+ - const: byte
+ - const: dpi
+ - const: esc
+ - const: pclk
+
+ ports:
+ type: object
+ description:
+ A node containing DSI input & output port nodes with endpoint
+ definitions as documented in
+ Documentation/devicetree/bindings/graph.txt.
+ properties:
+ port@0:
+ type: object
+ description:
+ Input port node to receive pixel data from the
+ display controller. Exactly one endpoint must be
+ specified.
+ properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ endpoint@0:
+ description: sub-node describing the input from LCDIF
+ type: object
+
+ endpoint@1:
+ description: sub-node describing the input from DCSS
+ type: object
+
+ reg:
+ const: 0
+
+ required:
+ - '#address-cells'
+ - '#size-cells'
+ - reg
+
+ oneOf:
+ - required:
+ - endpoint@0
+ - required:
+ - endpoint@1
+
+ additionalProperties: false
+
+ port@1:
+ type: object
+ description:
+ DSI output port node to the panel or the next bridge
+ in the chain
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ required:
+ - '#address-cells'
+ - '#size-cells'
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+patternProperties:
+ "^panel@[0-9]+$":
+ type: object
+
+required:
+ - '#address-cells'
+ - '#size-cells'
+ - clock-names
+ - clocks
+ - compatible
+ - interrupts
+ - mux-controls
+ - phy-names
+ - phys
+ - ports
+ - reg
+ - reset-names
+ - resets
+
+additionalProperties: false
+
+examples:
+ - |
+
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/reset/imx8mq-reset.h>
+
+ mipi_dsi: mipi_dsi@30a00000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,imx8mq-nwl-dsi";
+ reg = <0x30A00000 0x300>;
+ clocks = <&clk IMX8MQ_CLK_DSI_CORE>,
+ <&clk IMX8MQ_CLK_DSI_AHB>,
+ <&clk IMX8MQ_CLK_DSI_IPG_DIV>,
+ <&clk IMX8MQ_CLK_DSI_PHY_REF>,
+ <&clk IMX8MQ_CLK_LCDIF_PIXEL>;
+ clock-names = "core", "rx_esc", "tx_esc", "phy_ref", "lcdif";
+ interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+ mux-controls = <&mux 0>;
+ power-domains = <&pgc_mipi>;
+ resets = <&src IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N>,
+ <&src IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N>,
+ <&src IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N>,
+ <&src IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N>;
+ reset-names = "byte", "dpi", "esc", "pclk";
+ phys = <&dphy>;
+ phy-names = "dphy";
+
+ panel@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "rocktech,jh057n00900";
+ reg = <0>;
+ port@0 {
+ reg = <0>;
+ panel_in: endpoint {
+ remote-endpoint = <&mipi_dsi_out>;
+ };
+ };
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ #size-cells = <0>;
+ #address-cells = <1>;
+ reg = <0>;
+ mipi_dsi_in: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&lcdif_mipi_dsi>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ mipi_dsi_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.yaml b/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
index 5dff93641bea..7e27cfcf770d 100644
--- a/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/ps8640.yaml
@@ -50,6 +50,12 @@ properties:
Documentation/devicetree/bindings/media/video-interfaces.txt
Documentation/devicetree/bindings/graph.txt
properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
port@0:
type: object
description: |
@@ -63,6 +69,8 @@ properties:
required:
- port@0
+ additionalProperties: false
+
required:
- compatible
- reg
diff --git a/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
new file mode 100644
index 000000000000..0880cbf217d5
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml
@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/simple-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Transparent non-programmable DRM bridges
+
+maintainers:
+ - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
+ - Maxime Ripard <mripard@kernel.org>
+
+description: |
+ This binding supports transparent non-programmable bridges that don't require
+ any configuration, with a single input and a single output.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - ti,ths8134a
+ - ti,ths8134b
+ - const: ti,ths8134
+ - enum:
+ - adi,adv7123
+ - dumb-vga-dac
+ - ti,opa362
+ - ti,ths8134
+ - ti,ths8135
+
+ ports:
+ type: object
+ description: |
+ This device has two video ports. Their connections are modeled using the
+ OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
+ properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ port@0:
+ type: object
+ description: The bridge input
+
+ port@1:
+ type: object
+ description: The bridge output
+
+ required:
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+ enable-gpios:
+ maxItems: 1
+ description: GPIO controlling bridge enable
+
+ vdd-supply:
+ maxItems: 1
+ description: Power supply for the bridge
+
+required:
+ - compatible
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ bridge {
+ compatible = "ti,ths8134a", "ti,ths8134";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&tcon0_out_vga>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml
new file mode 100644
index 000000000000..012aa8e7cb8c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/snps,dw-mipi-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare MIPI DSI host controller
+
+maintainers:
+ - Philippe CORNU <philippe.cornu@st.com>
+
+description: |
+ This document defines device tree properties for the Synopsys DesignWare MIPI
+ DSI host controller. It doesn't constitue a device tree binding specification
+ by itself but is meant to be referenced by platform-specific device tree
+ bindings.
+
+ When referenced from platform device tree bindings the properties defined in
+ this document are defined as follows. The platform device tree bindings are
+ responsible for defining whether each property is required or optional.
+
+allOf:
+ - $ref: ../dsi-controller.yaml#
+
+properties:
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Module clock
+ - description: DSI bus clock for either AHB and APB
+ - description: Pixel clock for the DPI/RGB input
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: ref
+ - const: pclk
+ - const: px_clk
+ minItems: 2
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: apb
+
+ ports:
+ type: object
+
+ properties:
+ port@0:
+ type: object
+ description: Input node to receive pixel data.
+ port@1:
+ type: object
+ description: DSI output node to panel.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - clock-names
+ - clocks
+ - ports
+ - reg
diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt
deleted file mode 100644
index d17d1e5820d7..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.txt
+++ /dev/null
@@ -1,66 +0,0 @@
-Thine Electronics THC63LVD1024 LVDS decoder
--------------------------------------------
-
-The THC63LVD1024 is a dual link LVDS receiver designed to convert LVDS streams
-to parallel data outputs. The chip supports single/dual input/output modes,
-handling up to two LVDS input streams and up to two digital CMOS/TTL outputs.
-
-Single or dual operation mode, output data mapping and DDR output modes are
-configured through input signals and the chip does not expose any control bus.
-
-Required properties:
-- compatible: Shall be "thine,thc63lvd1024"
-- vcc-supply: Power supply for TTL output, TTL CLOCKOUT signal, LVDS input,
- PPL and digital circuitry
-
-Optional properties:
-- powerdown-gpios: Power down GPIO signal, pin name "/PDWN". Active low
-- oe-gpios: Output enable GPIO signal, pin name "OE". Active high
-
-The THC63LVD1024 video port connections are modeled according
-to OF graph bindings specified by Documentation/devicetree/bindings/graph.txt
-
-Required video port nodes:
-- port@0: First LVDS input port
-- port@2: First digital CMOS/TTL parallel output
-
-Optional video port nodes:
-- port@1: Second LVDS input port
-- port@3: Second digital CMOS/TTL parallel output
-
-The device can operate in single-link mode or dual-link mode. In single-link
-mode, all pixels are received on port@0, and port@1 shall not contain any
-endpoint. In dual-link mode, even-numbered pixels are received on port@0 and
-odd-numbered pixels on port@1, and both port@0 and port@1 shall contain
-endpoints.
-
-Example:
---------
-
- thc63lvd1024: lvds-decoder {
- compatible = "thine,thc63lvd1024";
-
- vcc-supply = <&reg_lvds_vcc>;
- powerdown-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- lvds_dec_in_0: endpoint {
- remote-endpoint = <&lvds_out>;
- };
- };
-
- port@2{
- reg = <2>;
-
- lvds_dec_out_2: endpoint {
- remote-endpoint = <&adv7511_in>;
- };
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.yaml b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.yaml
new file mode 100644
index 000000000000..469ac4a34273
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/thine,thc63lvd1024.yaml
@@ -0,0 +1,121 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/thine,thc63lvd1024.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Thine Electronics THC63LVD1024 LVDS Decoder
+
+maintainers:
+ - Jacopo Mondi <jacopo+renesas@jmondi.org>
+ - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
+
+description: |
+ The THC63LVD1024 is a dual link LVDS receiver designed to convert LVDS
+ streams to parallel data outputs. The chip supports single/dual input/output
+ modes, handling up to two LVDS input streams and up to two digital CMOS/TTL
+ outputs.
+
+ Single or dual operation mode, output data mapping and DDR output modes are
+ configured through input signals and the chip does not expose any control
+ bus.
+
+properties:
+ compatible:
+ const: thine,thc63lvd1024
+
+ ports:
+ type: object
+ description: |
+ This device has four video ports. Their connections are modeled using the
+ OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
+
+ The device can operate in single-link mode or dual-link mode. In
+ single-link mode, all pixels are received on port@0, and port@1 shall not
+ contain any endpoint. In dual-link mode, even-numbered pixels are
+ received on port@0 and odd-numbered pixels on port@1, and both port@0 and
+ port@1 shall contain endpoints.
+
+ properties:
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ port@0:
+ type: object
+ description: First LVDS input port
+
+ port@1:
+ type: object
+ description: Second LVDS input port
+
+ port@2:
+ type: object
+ description: First digital CMOS/TTL parallel output
+
+ port@3:
+ type: object
+ description: Second digital CMOS/TTL parallel output
+
+ required:
+ - port@0
+ - port@2
+
+ additionalProperties: false
+
+ oe-gpios:
+ maxItems: 1
+ description: Output enable GPIO signal, pin name "OE", active high.
+
+ powerdown-gpios:
+ maxItems: 1
+ description: Power down GPIO signal, pin name "/PDWN", active low.
+
+ vcc-supply:
+ maxItems: 1
+ description:
+ Power supply for the TTL output, TTL CLOCKOUT signal, LVDS input, PLL and
+ digital circuitry.
+
+required:
+ - compatible
+ - ports
+ - vcc-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ lvds-decoder {
+ compatible = "thine,thc63lvd1024";
+
+ vcc-supply = <&reg_lvds_vcc>;
+ powerdown-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ lvds_dec_in_0: endpoint {
+ remote-endpoint = <&lvds_out>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ lvds_dec_out_2: endpoint {
+ remote-endpoint = <&adv7511_in>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt b/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
deleted file mode 100644
index df3d7c1ac09e..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/ti,ths813x.txt
+++ /dev/null
@@ -1,51 +0,0 @@
-THS8134 and THS8135 Video DAC
------------------------------
-
-This is the binding for Texas Instruments THS8134, THS8134A, THS8134B and
-THS8135 Video DAC bridges.
-
-Required properties:
-
-- compatible: Must be one of
- "ti,ths8134"
- "ti,ths8134a," "ti,ths8134"
- "ti,ths8134b", "ti,ths8134"
- "ti,ths8135"
-
-Required nodes:
-
-This device has two video ports. Their connections are modelled using the OF
-graph bindings specified in Documentation/devicetree/bindings/graph.txt.
-
-- Video port 0 for RGB input
-- Video port 1 for VGA output
-
-Example
--------
-
-vga-bridge {
- compatible = "ti,ths8135";
- #address-cells = <1>;
- #size-cells = <0>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- vga_bridge_in: endpoint {
- remote-endpoint = <&lcdc_out_vga>;
- };
- };
-
- port@1 {
- reg = <1>;
-
- vga_bridge_out: endpoint {
- remote-endpoint = <&vga_con_in>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/dsi-controller.yaml b/Documentation/devicetree/bindings/display/dsi-controller.yaml
index fd986c36c737..85b71b1fd28a 100644
--- a/Documentation/devicetree/bindings/display/dsi-controller.yaml
+++ b/Documentation/devicetree/bindings/display/dsi-controller.yaml
@@ -28,7 +28,7 @@ description: |
properties:
$nodename:
- pattern: "^dsi-controller(@.*)?$"
+ pattern: "^dsi(@.*)?$"
"#address-cells":
const: 1
@@ -76,7 +76,7 @@ patternProperties:
examples:
- |
#include <dt-bindings/gpio/gpio.h>
- dsi-controller@a0351000 {
+ dsi@a0351000 {
reg = <0xa0351000 0x1000>;
#address-cells = <1>;
#size-cells = <0>;
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
index 58914cf681b8..77def4456706 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt
@@ -17,6 +17,9 @@ Required properties:
Documentation/devicetree/bindings/graph.txt. This port should be connected
to the input port of an attached HDMI or LVDS encoder chip.
+Optional properties:
+- pinctrl-names: Contain "default" and "sleep".
+
Example:
dpi0: dpi@1401d000 {
@@ -27,6 +30,9 @@ dpi0: dpi@1401d000 {
<&mmsys CLK_MM_DPI_ENGINE>,
<&apmixedsys CLK_APMIXED_TVDPLL>;
clock-names = "pixel", "engine", "pll";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&dpi_pin_func>;
+ pinctrl-1 = <&dpi_pin_idle>;
port {
dpi0_out: endpoint {
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
index a19a6cc375ed..8e4729de8c85 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
@@ -33,6 +33,13 @@ Required properties:
- #clock-cells: must be <0>;
- #phy-cells: must be <0>.
+Optional properties:
+- drive-strength-microamp: adjust driving current, should be 3000 ~ 6000. And
+ the step is 200.
+- nvmem-cells: A phandle to the calibration data provided by a nvmem device. If
+ unspecified default values shall be used.
+- nvmem-cell-names: Should be "calibration-data"
+
Example:
mipi_tx0: mipi-dphy@10215000 {
@@ -42,6 +49,9 @@ mipi_tx0: mipi-dphy@10215000 {
clock-output-names = "mipi_tx0_pll";
#clock-cells = <0>;
#phy-cells = <0>;
+ drive-strength-microamp = <4600>;
+ nvmem-cells= <&mipi_tx_calibration>;
+ nvmem-cell-names = "calibration-data";
};
dsi0: dsi@1401b000 {
diff --git a/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.txt b/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.txt
deleted file mode 100644
index 0601a9e34703..000000000000
--- a/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-ARM Versatile TFT Panels
-
-These panels are connected to the daughterboards found on the
-ARM Versatile reference designs.
-
-This device node must appear as a child to a "syscon"-compatible
-node.
-
-Required properties:
-- compatible: should be "arm,versatile-tft-panel"
-
-Required subnodes:
-- port: see display/panel/panel-common.yaml, graph.txt
-
-
-Example:
-
-sysreg@0 {
- compatible = "arm,versatile-sysreg", "syscon", "simple-mfd";
- reg = <0x00000 0x1000>;
-
- panel: display@0 {
- compatible = "arm,versatile-tft-panel";
-
- port {
- panel_in: endpoint {
- remote-endpoint = <&foo>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml b/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
new file mode 100644
index 000000000000..41fd5713c156
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/arm,versatile-tft-panel.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Versatile TFT Panels
+
+maintainers:
+ - Linus Walleij <linus.walleij@linaro.org>
+
+description: |
+ These panels are connected to the daughterboards found on the
+ ARM Versatile reference designs.
+
+ This device node must appear as a child to a "syscon"-compatible
+ node.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: arm,versatile-tft-panel
+
+ port: true
+
+required:
+ - compatible
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ sysreg {
+ compatible = "arm,versatile-sysreg", "syscon", "simple-mfd";
+ reg = <0x00000 0x1000>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel {
+ compatible = "arm,versatile-tft-panel";
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&foo>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-nt35596.yaml b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-nt35596.yaml
new file mode 100644
index 000000000000..083d2b9d0c69
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/asus,z00t-tm5p5-nt35596.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/asus,z00t-tm5p5-nt35596.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASUS Z00T TM5P5 NT35596 5.5" 1080×1920 LCD Panel
+
+maintainers:
+ - Konrad Dybcio <konradybcio@gmail.com>
+
+description: |+
+ This panel seems to only be found in the Asus Z00T
+ smartphone and we have no straightforward way of
+ actually getting the correct model number,
+ as no schematics are released publicly.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: asus,z00t-tm5p5-n35596
+ reg: true
+ reset-gpios: true
+ vdd-supply:
+ description: core voltage supply
+ vddio-supply:
+ description: vddio supply
+
+required:
+ - compatible
+ - reg
+ - vdd-supply
+ - vddio-supply
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ panel@0 {
+ reg = <0>;
+
+ compatible = "asus,z00t-tm5p5-n35596";
+
+ vdd-supply = <&pm8916_l8>;
+ vddio-supply = <&pm8916_l6>;
+ reset-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/panel/boe,himax8279d.txt b/Documentation/devicetree/bindings/display/panel/boe,himax8279d.txt
deleted file mode 100644
index 3caea2172b1b..000000000000
--- a/Documentation/devicetree/bindings/display/panel/boe,himax8279d.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Boe Himax8279d 1200x1920 TFT LCD panel
-
-Required properties:
-- compatible: should be "boe,himax8279d8p" and one of: "boe,himax8279d10p"
-- reg: DSI virtual channel of the peripheral
-- enable-gpios: panel enable gpio
-- pp33-gpios: a GPIO phandle for the 3.3v pin that provides the supply voltage
-- pp18-gpios: a GPIO phandle for the 1.8v pin that provides the supply voltage
-
-Optional properties:
-- backlight: phandle of the backlight device attached to the panel
-
-Example:
-
- &mipi_dsi {
- panel {
- compatible = "boe,himax8279d8p", "boe,himax8279d10p";
- reg = <0>;
- backlight = <&backlight>;
- enable-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
- pp33-gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
- pp18-gpios = <&gpio 36 GPIO_ACTIVE_HIGH>;
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml b/Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml
new file mode 100644
index 000000000000..272a3a018a33
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/boe,himax8279d.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Boe Himax8279d 1200x1920 TFT LCD panel
+
+maintainers:
+ - Jerry Han <jerry.han.hq@gmail.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - const: boe,himax8279d8p
+ - const: boe,himax8279d10p
+
+ backlight: true
+ enable-gpios: true
+ reg: true
+
+ pp33-gpios:
+ maxItems: 1
+ description: GPIO for the 3.3v pin that provides the supply voltage
+
+ pp18-gpios:
+ maxItems: 1
+ description: GPIO for the 1.8v pin that provides the supply voltage
+
+required:
+ - compatible
+ - reg
+ - enable-gpios
+ - pp33-gpios
+ - pp18-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ panel@0 {
+ compatible = "boe,himax8279d8p", "boe,himax8279d10p";
+ reg = <0>;
+ backlight = <&backlight>;
+ enable-gpios = <&gpio 45 GPIO_ACTIVE_HIGH>;
+ pp33-gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
+ pp18-gpios = <&gpio 36 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml
index 740213459134..7f5df5851017 100644
--- a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml
+++ b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-nl6.yaml
@@ -24,6 +24,8 @@ properties:
- boe,tv101wum-n53
# AUO B101UAN08.3 10.1" WUXGA TFT LCD panel
- auo,b101uan08.3
+ # BOE TV105WUM-NW0 10.5" WUXGA TFT LCD panel
+ - boe,tv105wum-nw0
reg:
description: the virtual channel number of a DSI peripheral
diff --git a/Documentation/devicetree/bindings/display/panel/display-timings.yaml b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
index c8c0c9cb0492..56903ded005e 100644
--- a/Documentation/devicetree/bindings/display/panel/display-timings.yaml
+++ b/Documentation/devicetree/bindings/display/panel/display-timings.yaml
@@ -4,7 +4,7 @@
$id: http://devicetree.org/schemas/display/panel/display-timings.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: display timing bindings
+title: display timings bindings
maintainers:
- Thierry Reding <thierry.reding@gmail.com>
@@ -14,7 +14,7 @@ maintainers:
description: |
A display panel may be able to handle several display timings,
with different resolutions.
- The display-timings node makes it possible to specify the timing
+ The display-timings node makes it possible to specify the timings
and to specify the timing that is native for the display.
properties:
@@ -25,8 +25,8 @@ properties:
$ref: /schemas/types.yaml#/definitions/phandle
description: |
The default display timing is the one specified as native-mode.
- If no native-mode is specified then the first node is assumed the
- native mode.
+ If no native-mode is specified then the first node is assumed
+ to be the native mode.
patternProperties:
"^timing":
diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
deleted file mode 100644
index 82caa7b65ae8..000000000000
--- a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel
-
-Required properties:
-- compatible: must be "feiyang,fy07024di26a30d"
-- reg: DSI virtual channel used by that screen
-- avdd-supply: analog regulator dc1 switch
-- dvdd-supply: 3v3 digital regulator
-- reset-gpios: a GPIO phandle for the reset pin
-
-Optional properties:
-- backlight: phandle for the backlight control.
-
-panel@0 {
- compatible = "feiyang,fy07024di26a30d";
- reg = <0>;
- avdd-supply = <&reg_dc1sw>;
- dvdd-supply = <&reg_dldo2>;
- reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
- backlight = <&backlight>;
-};
diff --git a/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
new file mode 100644
index 000000000000..95acf9e96f1c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/feiyang,fy07024di26a30d.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Feiyang FY07024DI26A30-D 7" MIPI-DSI LCD Panel
+
+maintainers:
+ - Jagan Teki <jagan@amarulasolutions.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: feiyang,fy07024di26a30d
+
+ reg:
+ description: DSI virtual channel used by that screen
+ maxItems: 1
+
+ avdd-supply:
+ description: analog regulator dc1 switch
+
+ dvdd-supply:
+ description: 3v3 digital regulator
+
+ reset-gpios: true
+
+ backlight: true
+
+required:
+ - compatible
+ - reg
+ - avdd-supply
+ - dvdd-supply
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "feiyang,fy07024di26a30d";
+ reg = <0>;
+ avdd-supply = <&reg_dc1sw>;
+ dvdd-supply = <&reg_dldo2>;
+ reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
+ backlight = <&backlight>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.txt b/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.txt
deleted file mode 100644
index 3d5ce6ad6ec7..000000000000
--- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.txt
+++ /dev/null
@@ -1,49 +0,0 @@
-Ilitek ILI9322 TFT panel driver with SPI control bus
-
-This is a driver for 320x240 TFT panels, accepting a variety of input
-streams that get adapted and scaled to the panel. The panel output has
-960 TFT source driver pins and 240 TFT gate driver pins, VCOM, VCOML and
-VCOMH outputs.
-
-Required properties:
- - compatible: "dlink,dir-685-panel", "ilitek,ili9322"
- (full system-specific compatible is always required to look up configuration)
- - reg: address of the panel on the SPI bus
-
-Optional properties:
- - vcc-supply: core voltage supply, see regulator/regulator.txt
- - iovcc-supply: voltage supply for the interface input/output signals,
- see regulator/regulator.txt
- - vci-supply: voltage supply for analog parts, see regulator/regulator.txt
- - reset-gpios: a GPIO spec for the reset pin, see gpio/gpio.txt
-
- The following optional properties only apply to RGB and YUV input modes and
- can be omitted for BT.656 input modes:
-
- - pixelclk-active: see display/panel/display-timing.txt
- - de-active: see display/panel/display-timing.txt
- - hsync-active: see display/panel/display-timing.txt
- - vsync-active: see display/panel/display-timing.txt
-
-The panel must obey the rules for a SPI slave device as specified in
-spi/spi-bus.txt
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in
-media/video-interfaces.txt. This node should describe panel's video bus.
-
-Example:
-
-panel: display@0 {
- compatible = "dlink,dir-685-panel", "ilitek,ili9322";
- reg = <0>;
- vcc-supply = <&vdisp>;
- iovcc-supply = <&vdisp>;
- vci-supply = <&vdisp>;
-
- port {
- panel_in: endpoint {
- remote-endpoint = <&display_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.yaml
new file mode 100644
index 000000000000..177d48c5bd97
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9322.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/ilitek,ili9322.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9322 TFT panel driver with SPI control bus
+
+maintainers:
+ - Linus Walleij <linus.walleij@linaro.org>
+
+description: |
+ This is a driver for 320x240 TFT panels, accepting a variety of input
+ streams that get adapted and scaled to the panel. The panel output has
+ 960 TFT source driver pins and 240 TFT gate driver pins, VCOM, VCOML and
+ VCOMH outputs.
+
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - dlink,dir-685-panel
+
+ - const: ilitek,ili9322
+
+ reset-gpios: true
+ port: true
+
+ vcc-supply:
+ description: Core voltage supply
+
+ iovcc-supply:
+ description: Voltage supply for the interface input/output signals
+
+ vci-supply:
+ description: Voltage supply for analog parts
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel: display@0 {
+ compatible = "dlink,dir-685-panel", "ilitek,ili9322";
+ reg = <0>;
+ vcc-supply = <&vdisp>;
+ iovcc-supply = <&vdisp>;
+ vci-supply = <&vdisp>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&display_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.txt b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.txt
deleted file mode 100644
index 4a041acb4e18..000000000000
--- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-Ilitek ILI9881c based MIPI-DSI panels
-
-Required properties:
- - compatible: must be "ilitek,ili9881c" and one of:
- * "bananapi,lhr050h41"
- - reg: DSI virtual channel used by that screen
- - power-supply: phandle to the power regulator
- - reset-gpios: a GPIO phandle for the reset pin
-
-Optional properties:
- - backlight: phandle to the backlight used
-
-Example:
-panel@0 {
- compatible = "bananapi,lhr050h41", "ilitek,ili9881c";
- reg = <0>;
- power-supply = <&reg_display>;
- reset-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL05 */
- backlight = <&pwm_bl>;
-};
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml
new file mode 100644
index 000000000000..a39332276bab
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/ilitek,ili9881c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ilitek ILI9881c based MIPI-DSI panels
+
+maintainers:
+ - Maxime Ripard <mripard@kernel.org>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - bananapi,lhr050h41
+
+ - const: ilitek,ili9881c
+
+ backlight: true
+ power-supply: true
+ reg: true
+ reset-gpios: true
+
+required:
+ - compatible
+ - power-supply
+ - reg
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "bananapi,lhr050h41", "ilitek,ili9881c";
+ reg = <0>;
+ power-supply = <&reg_display>;
+ reset-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL05 */
+ backlight = <&pwm_bl>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.txt b/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.txt
deleted file mode 100644
index d1cab3a8f0fb..000000000000
--- a/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Innolux P097PFG 9.7" 1536x2048 TFT LCD panel
-
-Required properties:
-- compatible: should be "innolux,p097pfg"
-- reg: DSI virtual channel of the peripheral
-- avdd-supply: phandle of the regulator that provides positive voltage
-- avee-supply: phandle of the regulator that provides negative voltage
-- enable-gpios: panel enable gpio
-
-Optional properties:
-- backlight: phandle of the backlight device attached to the panel
-
-Example:
-
- &mipi_dsi {
- panel@0 {
- compatible = "innolux,p079zca";
- reg = <0>;
- avdd-supply = <...>;
- avee-supply = <...>;
- backlight = <&backlight>;
- enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.yaml b/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.yaml
new file mode 100644
index 000000000000..5a5f071627fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/innolux,p097pfg.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/innolux,p097pfg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Innolux P097PFG 9.7" 1536x2048 TFT LCD panel
+
+maintainers:
+ - Lin Huang <hl@rock-chips.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: innolux,p097pfg
+
+ backlight: true
+ enable-gpios: true
+ reg: true
+
+ avdd-supply:
+ description: The regulator that provides positive voltage
+
+ avee-supply:
+ description: The regulator that provides negative voltage
+
+required:
+ - compatible
+ - reg
+ - avdd-supply
+ - avee-supply
+ - enable-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "innolux,p097pfg";
+ reg = <0>;
+ avdd-supply = <&avdd>;
+ avee-supply = <&avee>;
+ backlight = <&backlight>;
+ enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
deleted file mode 100644
index 513f03466aba..000000000000
--- a/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
-
-This binding is compatible with the simple-panel binding, which is specified
-in simple-panel.txt in this directory.
-
-Required properties:
-- compatible: should be "innolux,p120zdg-bf1"
-- power-supply: regulator to provide the supply voltage
-
-Optional properties:
-- enable-gpios: GPIO pin to enable or disable the panel
-- backlight: phandle of the backlight device attached to the panel
-- no-hpd: If HPD isn't hooked up; add this property.
-
-Example:
- panel_edp: panel-edp {
- compatible = "innolux,p120zdg-bf1";
- enable-gpios = <&msmgpio 31 GPIO_ACTIVE_LOW>;
- power-supply = <&pm8916_l2>;
- backlight = <&backlight>;
- no-hpd;
- };
diff --git a/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.yaml b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.yaml
new file mode 100644
index 000000000000..243dac2416f3
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/innolux,p120zdg-bf1.yaml
@@ -0,0 +1,43 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/innolux,p120zdg-bf1.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Innolux P120ZDG-BF1 12.02 inch eDP 2K display panel
+
+maintainers:
+ - Sandeep Panda <spanda@codeaurora.org>
+ - Douglas Anderson <dianders@chromium.org>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: innolux,p120zdg-bf1
+
+ enable-gpios: true
+ power-supply: true
+ backlight: true
+ no-hpd: true
+
+required:
+ - compatible
+ - power-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ panel_edp: panel-edp {
+ compatible = "innolux,p120zdg-bf1";
+ enable-gpios = <&msmgpio 31 GPIO_ACTIVE_LOW>;
+ power-supply = <&pm8916_l2>;
+ backlight = <&backlight>;
+ no-hpd;
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt b/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt
deleted file mode 100644
index 4989c91d505f..000000000000
--- a/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-JDI model LT070ME05000 1200x1920 7" DSI Panel
-
-Required properties:
-- compatible: should be "jdi,lt070me05000"
-- vddp-supply: phandle of the regulator that provides the supply voltage
- Power IC supply (3-5V)
-- iovcc-supply: phandle of the regulator that provides the supply voltage
- IOVCC , power supply for LCM (1.8V)
-- enable-gpios: phandle of gpio for enable line
- LED_EN, LED backlight enable, High active
-- reset-gpios: phandle of gpio for reset line
- This should be 8mA, gpio can be configured using mux, pinctrl, pinctrl-names
- XRES, Reset, Low active
-- dcdc-en-gpios: phandle of the gpio for power ic line
- Power IC supply enable, High active
-
-Example:
-
- dsi0: qcom,mdss_dsi@4700000 {
- panel@0 {
- compatible = "jdi,lt070me05000";
- reg = <0>;
-
- vddp-supply = <&pm8921_l17>;
- iovcc-supply = <&pm8921_lvs7>;
-
- enable-gpios = <&pm8921_gpio 36 GPIO_ACTIVE_HIGH>;
- reset-gpios = <&tlmm_pinmux 54 GPIO_ACTIVE_LOW>;
- dcdc-en-gpios = <&pm8921_gpio 23 GPIO_ACTIVE_HIGH>;
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.yaml b/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.yaml
new file mode 100644
index 000000000000..b8b9435e464c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/jdi,lt070me05000.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: JDI model LT070ME05000 1200x1920 7" DSI Panel
+
+maintainers:
+ - Vinay Simha BN <simhavcs@gmail.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: jdi,lt070me05000
+
+ enable-gpios: true
+ reg: true
+ reset-gpios: true
+
+ vddp-supply:
+ description: |
+ The regulator that provides the supply voltage Power IC supply (3-5V)
+
+ iovcc-supply:
+ description: |
+ The regulator that provides the supply voltage IOVCC,
+ power supply for LCM (1.8V)
+
+ dcdc-en-gpios:
+ description: |
+ phandle of the gpio for power ic line
+ Power IC supply enable, High active
+
+required:
+ - compatible
+ - reg
+ - vddp-supply
+ - iovcc-supply
+ - enable-gpios
+ - reset-gpios
+ - dcdc-en-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "jdi,lt070me05000";
+ reg = <0>;
+
+ vddp-supply = <&pm8921_l17>;
+ iovcc-supply = <&pm8921_lvs7>;
+
+ enable-gpios = <&pm8921_gpio 36 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&tlmm_pinmux 54 GPIO_ACTIVE_LOW>;
+ dcdc-en-gpios = <&pm8921_gpio 23 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt
deleted file mode 100644
index fa9596082e44..000000000000
--- a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-King Display KD035G6-54NT 3.5" (320x240 pixels) 24-bit TFT LCD panel
-
-Required properties:
-- compatible: should be "kingdisplay,kd035g6-54nt"
-- power-supply: See panel-common.txt
-- reset-gpios: See panel-common.txt
-
-Optional properties:
-- backlight: see panel-common.txt
-
-The generic bindings for the SPI slaves documented in [1] also apply.
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in [2]. This
-node should describe panel's video bus.
-
-[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
-[2]: Documentation/devicetree/bindings/graph.txt
-
-Example:
-
-&spi {
- panel@0 {
- compatible = "kingdisplay,kd035g6-54nt";
- reg = <0>;
-
- spi-max-frequency = <3125000>;
- spi-3wire;
- spi-cs-high;
-
- reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
-
- backlight = <&backlight>;
- power-supply = <&ldo6>;
-
- port {
- panel_input: endpoint {
- remote-endpoint = <&panel_output>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.yaml b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.yaml
new file mode 100644
index 000000000000..6960036975fa
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd035g6-54nt.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/kingdisplay,kd035g6-54nt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: King Display KD035G6-54NT 3.5" (320x240 pixels) 24-bit TFT LCD panel
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Paul Cercueil <paul@crapouillou.net>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: kingdisplay,kd035g6-54nt
+
+ backlight: true
+ port: true
+ power-supply: true
+ reg: true
+ reset-gpios: true
+
+required:
+ - compatible
+ - power-supply
+ - reset-gpios
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "kingdisplay,kd035g6-54nt";
+ reg = <0>;
+
+ spi-max-frequency = <3125000>;
+ spi-3wire;
+ spi-cs-high;
+
+ reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
+
+ backlight = <&backlight>;
+ power-supply = <&ldo6>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&panel_output>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd097d04.txt b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd097d04.txt
deleted file mode 100644
index cfefff688614..000000000000
--- a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd097d04.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Kingdisplay KD097D04 9.7" 1536x2048 TFT LCD panel
-
-Required properties:
-- compatible: should be "kingdisplay,kd097d04"
-- reg: DSI virtual channel of the peripheral
-- power-supply: phandle of the regulator that provides the supply voltage
-- enable-gpios: panel enable gpio
-
-Optional properties:
-- backlight: phandle of the backlight device attached to the panel
-
-Example:
-
- &mipi_dsi {
- panel@0 {
- compatible = "kingdisplay,kd097d04";
- reg = <0>;
- power-supply = <...>;
- backlight = <&backlight>;
- enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml
new file mode 100644
index 000000000000..a372bdc5bde1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/leadtek,ltk050h3146w.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/leadtek,ltk050h3146w.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Leadtek LTK050H3146W 5.0in 720x1280 DSI panel
+
+maintainers:
+ - Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ - leadtek,ltk050h3146w
+ - leadtek,ltk050h3146w-a2
+ reg: true
+ backlight: true
+ reset-gpios: true
+ iovcc-supply:
+ description: regulator that supplies the iovcc voltage
+ vci-supply:
+ description: regulator that supplies the vci voltage
+
+required:
+ - compatible
+ - reg
+ - backlight
+ - iovcc-supply
+ - vci-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ panel@0 {
+ compatible = "leadtek,ltk050h3146w";
+ reg = <0>;
+ backlight = <&backlight>;
+ iovcc-supply = <&vcc_1v8>;
+ vci-supply = <&vcc3v3_lcd>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml b/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml
index fd931b293816..b900973b5f7b 100644
--- a/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml
+++ b/Documentation/devicetree/bindings/display/panel/leadtek,ltk500hd1829.yaml
@@ -37,7 +37,6 @@ examples:
dsi {
#address-cells = <1>;
#size-cells = <0>;
- reg = <0xff450000 0x1000>;
panel@0 {
compatible = "leadtek,ltk500hd1829";
diff --git a/Documentation/devicetree/bindings/display/panel/lg,acx467akm-7.txt b/Documentation/devicetree/bindings/display/panel/lg,acx467akm-7.txt
deleted file mode 100644
index fc1e1b325e49..000000000000
--- a/Documentation/devicetree/bindings/display/panel/lg,acx467akm-7.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-LG ACX467AKM-7 4.95" 1080×1920 LCD Panel
-
-Required properties:
-- compatible: must be "lg,acx467akm-7"
-
-This binding is compatible with the simple-panel binding, which is specified
-in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/lg,ld070wx3-sl01.txt b/Documentation/devicetree/bindings/display/panel/lg,ld070wx3-sl01.txt
deleted file mode 100644
index 5e649cb9aa1a..000000000000
--- a/Documentation/devicetree/bindings/display/panel/lg,ld070wx3-sl01.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-LG Corporation 7" WXGA TFT LCD panel
-
-Required properties:
-- compatible: should be "lg,ld070wx3-sl01"
-
-This binding is compatible with the simple-panel binding, which is specified
-in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/lg,lg4573.txt b/Documentation/devicetree/bindings/display/panel/lg,lg4573.txt
deleted file mode 100644
index 824441f4e95a..000000000000
--- a/Documentation/devicetree/bindings/display/panel/lg,lg4573.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-LG LG4573 TFT Liquid Crystal Display with SPI control bus
-
-Required properties:
- - compatible: "lg,lg4573"
- - reg: address of the panel on the SPI bus
-
-The panel must obey rules for SPI slave device specified in document [1].
-
-[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
-
-Example:
-
- lcd_panel: display@0 {
- #address-cells = <1>;
- #size-cells = <1>;
- compatible = "lg,lg4573";
- spi-max-frequency = <10000000>;
- reg = <0>;
- };
diff --git a/Documentation/devicetree/bindings/display/panel/lg,lg4573.yaml b/Documentation/devicetree/bindings/display/panel/lg,lg4573.yaml
new file mode 100644
index 000000000000..b4314ce7b411
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/lg,lg4573.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/lg,lg4573.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LG LG4573 TFT Liquid Crystal Display with SPI control bus
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Heiko Schocher <hs@denx.de>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: lg,lg4573
+
+ reg: true
+ spi-max-frequency: true
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lcd_panel: display@0 {
+ compatible = "lg,lg4573";
+ spi-max-frequency = <10000000>;
+ reg = <0>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/lg,lh500wx1-sd03.txt b/Documentation/devicetree/bindings/display/panel/lg,lh500wx1-sd03.txt
deleted file mode 100644
index a04fd2b2e73d..000000000000
--- a/Documentation/devicetree/bindings/display/panel/lg,lh500wx1-sd03.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-LG Corporation 5" HD TFT LCD panel
-
-Required properties:
-- compatible: should be "lg,lh500wx1-sd03"
-
-This binding is compatible with the simple-panel binding, which is specified
-in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.txt b/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.txt
deleted file mode 100644
index 1a1e653e5407..000000000000
--- a/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-LG.Philips LB035Q02 Panel
-=========================
-
-Required properties:
-- compatible: "lgphilips,lb035q02"
-- enable-gpios: panel enable gpio
-
-Optional properties:
-- label: a symbolic name for the panel
-
-Required nodes:
-- Video port for DPI input
-
-Example
--------
-
-lcd-panel: panel@0 {
- compatible = "lgphilips,lb035q02";
- reg = <0>;
- spi-max-frequency = <100000>;
- spi-cpol;
- spi-cpha;
-
- label = "lcd";
-
- enable-gpios = <&gpio7 7 0>;
-
- port {
- lcd_in: endpoint {
- remote-endpoint = <&dpi_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.yaml b/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.yaml
new file mode 100644
index 000000000000..830e335ddb53
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/lgphilips,lb035q02.yaml
@@ -0,0 +1,59 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/lgphilips,lb035q02.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LG.Philips LB035Q02 Panel
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Tomi Valkeinen <tomi.valkeinen@ti.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: lgphilips,lb035q02
+
+ label: true
+ enable-gpios: true
+ port: true
+
+required:
+ - compatible
+ - enable-gpios
+ - port
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel: panel@0 {
+ compatible = "lgphilips,lb035q02";
+ reg = <0>;
+ spi-max-frequency = <100000>;
+ spi-cpol;
+ spi-cpha;
+
+ label = "lcd";
+
+ enable-gpios = <&gpio7 7 0>;
+
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/lvds.yaml b/Documentation/devicetree/bindings/display/panel/lvds.yaml
index d0083301acbe..946dd354256c 100644
--- a/Documentation/devicetree/bindings/display/panel/lvds.yaml
+++ b/Documentation/devicetree/bindings/display/panel/lvds.yaml
@@ -96,12 +96,20 @@ properties:
If set, reverse the bit order described in the data mappings below on all
data lanes, transmitting bits for slots 6 to 0 instead of 0 to 6.
+ port: true
+ ports: true
+
required:
- compatible
- data-mapping
- width-mm
- height-mm
- panel-timing
- - port
+
+oneOf:
+ - required:
+ - port
+ - required:
+ - ports
...
diff --git a/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt b/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt
deleted file mode 100644
index a89f9c830a85..000000000000
--- a/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-Binding for Olimex Ltd. LCD-OLinuXino bridge panel.
-
-This device can be used as bridge between a host controller and LCD panels.
-Currently supported LCDs are:
- - LCD-OLinuXino-4.3TS
- - LCD-OLinuXino-5
- - LCD-OLinuXino-7
- - LCD-OLinuXino-10
-
-The panel itself contains:
- - AT24C16C EEPROM holding panel identification and timing requirements
- - AR1021 resistive touch screen controller (optional)
- - FT5x6 capacitive touch screnn controller (optional)
- - GT911/GT928 capacitive touch screen controller (optional)
-
-The above chips share same I2C bus. The EEPROM is factory preprogrammed with
-device information (id, serial, etc.) and timing requirements.
-
-Touchscreen bingings can be found in these files:
- - input/touchscreen/goodix.txt
- - input/touchscreen/edt-ft5x06.txt
- - input/touchscreen/ar1021.txt
-
-Required properties:
- - compatible: should be "olimex,lcd-olinuxino"
- - reg: address of the configuration EEPROM, should be <0x50>
- - power-supply: phandle of the regulator that provides the supply voltage
-
-Optional properties:
- - enable-gpios: GPIO pin to enable or disable the panel
- - backlight: phandle of the backlight device attacked to the panel
-
-Example:
-&i2c2 {
- panel@50 {
- compatible = "olimex,lcd-olinuxino";
- reg = <0x50>;
- power-supply = <&reg_vcc5v0>;
- enable-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>;
- backlight = <&backlight>;
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.yaml b/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.yaml
new file mode 100644
index 000000000000..2329d9610f83
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/olimex,lcd-olinuxino.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Binding for Olimex Ltd. LCD-OLinuXino bridge panel.
+
+maintainers:
+ - Stefan Mavrodiev <stefan@olimex.com>
+
+description: |
+ This device can be used as bridge between a host controller and LCD panels.
+ Currently supported LCDs are:
+ - LCD-OLinuXino-4.3TS
+ - LCD-OLinuXino-5
+ - LCD-OLinuXino-7
+ - LCD-OLinuXino-10
+
+ The panel itself contains:
+ - AT24C16C EEPROM holding panel identification and timing requirements
+ - AR1021 resistive touch screen controller (optional)
+ - FT5x6 capacitive touch screnn controller (optional)
+ - GT911/GT928 capacitive touch screen controller (optional)
+
+ The above chips share same I2C bus. The EEPROM is factory preprogrammed with
+ device information (id, serial, etc.) and timing requirements.
+
+ Touchscreen bingings can be found in these files:
+ - input/touchscreen/goodix.yaml
+ - input/touchscreen/edt-ft5x06.txt
+ - input/touchscreen/ar1021.txt
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: olimex,lcd-olinuxino
+
+ backlight: true
+ enable-gpios: true
+ power-supply: true
+ reg: true
+
+required:
+ - compatible
+ - reg
+ - power-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@50 {
+ compatible = "olimex,lcd-olinuxino";
+ reg = <0x50>;
+ power-supply = <&reg_vcc5v0>;
+ enable-gpios = <&pio 7 8 GPIO_ACTIVE_HIGH>;
+ backlight = <&backlight>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/osddisplays,osd101t2587-53ts.txt b/Documentation/devicetree/bindings/display/panel/osddisplays,osd101t2587-53ts.txt
deleted file mode 100644
index 9d88e96003fc..000000000000
--- a/Documentation/devicetree/bindings/display/panel/osddisplays,osd101t2587-53ts.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-One Stop Displays OSD101T2587-53TS 10.1" 1920x1200 panel
-
-The panel is similar to OSD101T2045-53TS, but it needs additional
-MIPI_DSI_TURN_ON_PERIPHERAL message from the host.
-
-Required properties:
-- compatible: should be "osddisplays,osd101t2587-53ts"
-- power-supply: as specified in the base binding
-
-Optional properties:
-- backlight: as specified in the base binding
-
-This binding is compatible with the simple-panel binding, which is specified
-in simple-panel.txt in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
index ed051ba12084..a747b755ad06 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
@@ -63,9 +63,9 @@ properties:
display-timings:
description:
- Some display panels supports several resolutions with different timing.
+ Some display panels support several resolutions with different timings.
The display-timings bindings supports specifying several timings and
- optional specify which is the native mode.
+ optionally specifying which is the native mode.
allOf:
- $ref: display-timings.yaml#
@@ -96,6 +96,12 @@ properties:
(hot plug detect) signal, but the signal isn't hooked up so we should
hardcode the max delay from the panel spec when powering up the panel.
+ hpd-gpios:
+ maxItems: 1
+ description:
+ If Hot Plug Detect (HPD) is connected to a GPIO in the system rather
+ than a dedicated HPD pin the pin can be specified here.
+
# Control I/Os
# Many display panels can be controlled through pins driven by GPIOs. The nature
@@ -124,6 +130,13 @@ properties:
while active. Active high reset signals can be supported by inverting the
GPIO specifier polarity flag.
+ te-gpios:
+ maxItems: 1
+ description:
+ GPIO spec for the tearing effect synchronization signal.
+ The tearing effect signal is active high. Active low signals can be
+ supported by inverting the GPIO specifier polarity flag.
+
# Power
power-supply:
description:
diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
index b2e8742fd6af..16778ce782fc 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple-dsi.yaml
@@ -29,6 +29,20 @@ properties:
# compatible must be listed in alphabetical order, ordered by compatible.
# The description in the comment is mandatory for each compatible.
+ # AU Optronics Corporation 8.0" WUXGA TFT LCD panel
+ - auo,b080uan01
+ # Boe Corporation 8.0" WUXGA TFT LCD panel
+ - boe,tv080wum-nl0
+ # Kingdisplay KD097D04 9.7" 1536x2048 TFT LCD panel
+ - kingdisplay,kd097d04
+ # LG ACX467AKM-7 4.95" 1080×1920 LCD Panel
+ - lg,acx467akm-7
+ # LG Corporation 7" WXGA TFT LCD panel
+ - lg,ld070wx3-sl01
+ # One Stop Displays OSD101T2587-53TS 10.1" 1920x1200 panel
+ - osddisplays,osd101t2587-53ts
+ # Panasonic 10" WUXGA TFT LCD panel
+ - panasonic,vvx10f004b00
# Panasonic 10" WUXGA TFT LCD panel
- panasonic,vvx10f034n00
diff --git a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
index 393ffc6acbba..d6cca1479633 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
@@ -33,8 +33,6 @@ properties:
- ampire,am-480272h3tmqw-t01h
# Ampire AM-800480R3TMQW-A1H 7.0" WVGA TFT LCD panel
- ampire,am800480r3tmqwa1h
- # AU Optronics Corporation 8.0" WUXGA TFT LCD panel
- - auo,b080uan01
# AU Optronics Corporation 10.1" WSVGA TFT LCD panel
- auo,b101aw03
# AU Optronics Corporation 10.1" WSVGA TFT LCD panel
@@ -55,10 +53,16 @@ properties:
- auo,g101evn010
# AU Optronics Corporation 10.4" (800x600) color TFT LCD panel
- auo,g104sn02
+ # AU Optronics Corporation 12.1" (1280x800) TFT LCD panel
+ - auo,g121ean01
# AU Optronics Corporation 13.3" FHD (1920x1080) TFT LCD panel
- auo,g133han01
+ # AU Optronics Corporation 15.6" (1366x768) TFT LCD panel
+ - auo,g156xtn01
# AU Optronics Corporation 18.5" FHD (1920x1080) TFT LCD panel
- auo,g185han01
+ # AU Optronics Corporation 19.0" (1280x1024) TFT LCD panel
+ - auo,g190ean01
# AU Optronics Corporation 31.5" FHD (1920x1080) TFT LCD panel
- auo,p320hvn03
# AU Optronics Corporation 21.5" FHD (1920x1080) color TFT LCD panel
@@ -69,10 +73,12 @@ properties:
- boe,hv070wsa-100
# BOE OPTOELECTRONICS TECHNOLOGY 10.1" WXGA TFT LCD panel
- boe,nv101wxmn51
+ # BOE NV133FHM-N61 13.3" FHD (1920x1080) TFT LCD Panel
+ - boe,nv133fhm-n61
+ # BOE NV133FHM-N62 13.3" FHD (1920x1080) TFT LCD Panel
+ - boe,nv133fhm-n62
# BOE NV140FHM-N49 14.0" FHD a-Si FT panel
- boe,nv140fhmn49
- # Boe Corporation 8.0" WUXGA TFT LCD panel
- - boe,tv080wum-nl0
# CDTech(H.K.) Electronics Limited 4.3" 480x272 color TFT-LCD panel
- cdtech,s043wq26h-ct7
# CDTech(H.K.) Electronics Limited 7" 800x480 color TFT-LCD panel
@@ -82,6 +88,8 @@ properties:
# Chunghwa Picture Tubes Ltd. 10.1" WXGA TFT LCD panel
- chunghwa,claa101wa01a
# Chunghwa Picture Tubes Ltd. 10.1" WXGA TFT LCD panel
+ - chunghwa,claa101wb01
+ # Chunghwa Picture Tubes Ltd. 10.1" WXGA TFT LCD panel
- chunghwa,claa101wb03
# DataImage, Inc. 7" WVGA (800x480) TFT LCD panel with 24-bit parallel interface.
- dataimage,scf0700c48ggu18
@@ -127,6 +135,8 @@ properties:
- hannstar,hsd100pxn1
# Hitachi Ltd. Corporation 9" WVGA (800x480) TFT LCD panel
- hit,tx23d38vm0caa
+ # InfoVision Optoelectronics M133NWF4 R0 13.3" FHD (1920x1080) TFT LCD panel
+ - ivo,m133nwf4-r0
# Innolux AT043TN24 4.3" WQVGA TFT LCD panel
- innolux,at043tn24
# Innolux AT070TN92 7.0" WQVGA TFT LCD panel
@@ -155,6 +165,8 @@ properties:
- lemaker,bl035-rgb-002
# LG 7" (800x480 pixels) TFT LCD panel
- lg,lb070wv8
+ # LG Corporation 5" HD TFT LCD panel
+ - lg,lh500wx1-sd03
# LG LP079QX1-SP0V 7.9" (1536x2048 pixels) TFT LCD panel
- lg,lp079qx1-sp0v
# LG 9.7" (2048x1536 pixels) TFT LCD panel
@@ -227,6 +239,8 @@ properties:
- sharp,ls020b1dd01d
# Shelly SCA07010-BFN-LNN 7.0" WVGA TFT LCD panel
- shelly,sca07010-bfn-lnn
+ # Starry KR070PE2T 7" WVGA TFT LCD panel
+ - starry,kr070pe2t
# Starry 12.2" (1920x1200 pixels) TFT LCD panel
- starry,kr122ea0sra
# Tianma Micro-electronics TM070JDHG30 7.0" WXGA TFT LCD panel
diff --git a/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt b/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
deleted file mode 100644
index 10424695aa02..000000000000
--- a/Documentation/devicetree/bindings/display/panel/raydium,rm67191.txt
+++ /dev/null
@@ -1,41 +0,0 @@
-Raydium RM67171 OLED LCD panel with MIPI-DSI protocol
-
-Required properties:
-- compatible: "raydium,rm67191"
-- reg: virtual channel for MIPI-DSI protocol
- must be <0>
-- dsi-lanes: number of DSI lanes to be used
- must be <3> or <4>
-- port: input port node with endpoint definition as
- defined in Documentation/devicetree/bindings/graph.txt;
- the input port should be connected to a MIPI-DSI device
- driver
-
-Optional properties:
-- reset-gpios: a GPIO spec for the RST_B GPIO pin
-- v3p3-supply: phandle to 3.3V regulator that powers the VDD_3V3 pin
-- v1p8-supply: phandle to 1.8V regulator that powers the VDD_1V8 pin
-- width-mm: see panel-common.txt
-- height-mm: see panel-common.txt
-- video-mode: 0 - burst-mode
- 1 - non-burst with sync event
- 2 - non-burst with sync pulse
-
-Example:
-
- panel@0 {
- compatible = "raydium,rm67191";
- reg = <0>;
- pinctrl-0 = <&pinctrl_mipi_dsi_0_1_en>;
- pinctrl-names = "default";
- reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
- dsi-lanes = <4>;
- width-mm = <68>;
- height-mm = <121>;
-
- port {
- panel_in: endpoint {
- remote-endpoint = <&mipi_out>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/raydium,rm67191.yaml b/Documentation/devicetree/bindings/display/panel/raydium,rm67191.yaml
new file mode 100644
index 000000000000..745dd247c409
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/raydium,rm67191.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/raydium,rm67191.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Raydium RM67171 OLED LCD panel with MIPI-DSI protocol
+
+maintainers:
+ - Robert Chiras <robert.chiras@nxp.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: raydium,rm67191
+
+ reg: true
+ port: true
+ reset-gpios: true
+ width-mm: true
+ height-mm: true
+
+ dsi-lanes:
+ description: Number of DSI lanes to be used must be <3> or <4>
+ enum: [3, 4]
+
+ v3p3-supply:
+ description: phandle to 3.3V regulator that powers the VDD_3V3 pin
+
+ v1p8-supply:
+ description: phandle to 1.8V regulator that powers the VDD_1V8 pin
+
+ video-mode:
+ description: |
+ 0 - burst-mode
+ 1 - non-burst with sync event
+ 2 - non-burst with sync pulse
+ enum: [0, 1, 2]
+
+required:
+ - compatible
+ - reg
+ - dsi-lanes
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "raydium,rm67191";
+ reg = <0>;
+ reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
+ dsi-lanes = <4>;
+ width-mm = <68>;
+ height-mm = <121>;
+ video-mode = <1>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&mipi_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,amoled-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/panel/samsung,amoled-mipi-dsi.yaml
new file mode 100644
index 000000000000..96bdde9298e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,amoled-mipi-dsi.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,amoled-mipi-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung AMOLED MIPI-DSI panels
+
+maintainers:
+ - Hoegeun Kwon <hoegeun.kwon@samsung.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ # Samsung S6E63J0X03 1.63" 320x320 AMOLED panel
+ - samsung,s6e63j0x03
+ # Samsung S6E3HA2 5.7" 1440x2560 AMOLED panel
+ - samsung,s6e3ha2
+ # Samsung S6E3HF2 5.65" 1600x2560 AMOLED panel
+ - samsung,s6e3hf2
+
+ reg: true
+ reset-gpios: true
+ enable-gpios: true
+ te-gpios: true
+
+ vdd3-supply:
+ description: I/O voltage supply
+
+ vci-supply:
+ description: voltage supply for analog circuits
+
+required:
+ - compatible
+ - reg
+ - vdd3-supply
+ - vci-supply
+ - reset-gpios
+ - enable-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "samsung,s6e3ha2";
+ reg = <0>;
+ vdd3-supply = <&ldo27_reg>;
+ vci-supply = <&ldo28_reg>;
+ reset-gpios = <&gpg0 0 GPIO_ACTIVE_LOW>;
+ enable-gpios = <&gpf1 5 GPIO_ACTIVE_HIGH>;
+ te-gpios = <&gpf1 3 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt
deleted file mode 100644
index 354d4d1df4ff..000000000000
--- a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.txt
+++ /dev/null
@@ -1,66 +0,0 @@
-Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
-
-Required properties:
- - compatible: "samsung,ld9040"
- - reg: address of the panel on SPI bus
- - vdd3-supply: core voltage supply
- - vci-supply: voltage supply for analog circuits
- - reset-gpios: a GPIO spec for the reset pin
- - display-timings: timings for the connected panel according to [1]
-
-The panel must obey rules for SPI slave device specified in document [2].
-
-Optional properties:
- - power-on-delay: delay after turning regulators on [ms]
- - reset-delay: delay after reset sequence [ms]
- - panel-width-mm: physical panel width [mm]
- - panel-height-mm: physical panel height [mm]
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in [3]. This
-node should describe panel's video bus.
-
-[1]: Documentation/devicetree/bindings/display/panel/display-timing.txt
-[2]: Documentation/devicetree/bindings/spi/spi-bus.txt
-[3]: Documentation/devicetree/bindings/media/video-interfaces.txt
-
-Example:
-
- lcd@0 {
- compatible = "samsung,ld9040";
- reg = <0>;
- vdd3-supply = <&ldo7_reg>;
- vci-supply = <&ldo17_reg>;
- reset-gpios = <&gpy4 5 0>;
- spi-max-frequency = <1200000>;
- spi-cpol;
- spi-cpha;
- power-on-delay = <10>;
- reset-delay = <10>;
- panel-width-mm = <90>;
- panel-height-mm = <154>;
-
- display-timings {
- timing {
- clock-frequency = <23492370>;
- hactive = <480>;
- vactive = <800>;
- hback-porch = <16>;
- hfront-porch = <16>;
- vback-porch = <2>;
- vfront-porch = <28>;
- hsync-len = <2>;
- vsync-len = <1>;
- hsync-active = <0>;
- vsync-active = <0>;
- de-active = <0>;
- pixelclk-active = <0>;
- };
- };
-
- port {
- lcd_ep: endpoint {
- remote-endpoint = <&fimd_dpi_ep>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml
new file mode 100644
index 000000000000..060ee27a4749
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,ld9040.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,ld9040.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung LD9040 AMOLED LCD parallel RGB panel with SPI control bus
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Andrzej Hajda <a.hajda@samsung.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: samsung,ld9040
+
+ display-timings: true
+ port: true
+ reg: true
+ reset-gpios: true
+
+ vdd3-supply:
+ description: core voltage supply
+
+ vci-supply:
+ description: voltage supply for analog circuits
+
+ power-on-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: delay after turning regulators on [ms]
+
+ reset-delay:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: delay after reset sequence [ms]
+
+ panel-width-mm:
+ description: physical panel width [mm]
+
+ panel-height-mm:
+ description: physical panel height [mm]
+
+required:
+ - compatible
+ - reg
+ - vdd3-supply
+ - vci-supply
+ - reset-gpios
+ - display-timings
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lcd@0 {
+ compatible = "samsung,ld9040";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ reg = <0>;
+ vdd3-supply = <&ldo7_reg>;
+ vci-supply = <&ldo17_reg>;
+ reset-gpios = <&gpy4 5 0>;
+ spi-max-frequency = <1200000>;
+ spi-cpol;
+ spi-cpha;
+ power-on-delay = <10>;
+ reset-delay = <10>;
+ panel-width-mm = <90>;
+ panel-height-mm = <154>;
+
+ display-timings {
+ timing {
+ clock-frequency = <23492370>;
+ hactive = <480>;
+ vactive = <800>;
+ hback-porch = <16>;
+ hfront-porch = <16>;
+ vback-porch = <2>;
+ vfront-porch = <28>;
+ hsync-len = <2>;
+ vsync-len = <1>;
+ hsync-active = <0>;
+ vsync-active = <0>;
+ de-active = <0>;
+ pixelclk-active = <0>;
+ };
+ };
+
+ port {
+ lcd_ep: endpoint {
+ remote-endpoint = <&fimd_dpi_ep>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.txt b/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.txt
deleted file mode 100644
index b94e366f451b..000000000000
--- a/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-Samsung S6D16D0 4" 864x480 AMOLED panel
-
-Required properties:
- - compatible: should be:
- "samsung,s6d16d0",
- - reg: the virtual channel number of a DSI peripheral
- - vdd1-supply: I/O voltage supply
- - reset-gpios: a GPIO spec for the reset pin (active low)
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in
-media/video-interfaces.txt. This node should describe panel's video bus.
-
-Example:
-&dsi {
- ...
-
- panel@0 {
- compatible = "samsung,s6d16d0";
- reg = <0>;
- vdd1-supply = <&foo>;
- reset-gpios = <&foo_gpio 0 GPIO_ACTIVE_LOW>;
-
- port {
- panel_in: endpoint {
- remote-endpoint = <&dsi_out>;
- };
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.yaml
new file mode 100644
index 000000000000..66d147496bc3
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6d16d0.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,s6d16d0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S6D16D0 4" 864x480 AMOLED panel
+
+maintainers:
+ - Linus Walleij <linus.walleij@linaro.org>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: samsung,s6d16d0
+
+ port: true
+ reg: true
+ reset-gpios: true
+
+ vdd1-supply:
+ description: I/O voltage supply
+
+required:
+ - compatible
+ - reg
+ - vdd1-supply
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "samsung,s6d16d0";
+ reg = <0>;
+ vdd1-supply = <&foo>;
+ reset-gpios = <&foo_gpio 0 GPIO_ACTIVE_LOW>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e3ha2.txt b/Documentation/devicetree/bindings/display/panel/samsung,s6e3ha2.txt
deleted file mode 100644
index 4acea25c244b..000000000000
--- a/Documentation/devicetree/bindings/display/panel/samsung,s6e3ha2.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-Samsung S6E3HA2 5.7" 1440x2560 AMOLED panel
-Samsung S6E3HF2 5.65" 1600x2560 AMOLED panel
-
-Required properties:
- - compatible: should be one of:
- "samsung,s6e3ha2",
- "samsung,s6e3hf2".
- - reg: the virtual channel number of a DSI peripheral
- - vdd3-supply: I/O voltage supply
- - vci-supply: voltage supply for analog circuits
- - reset-gpios: a GPIO spec for the reset pin (active low)
- - enable-gpios: a GPIO spec for the panel enable pin (active high)
-
-Optional properties:
- - te-gpios: a GPIO spec for the tearing effect synchronization signal
- gpio pin (active high)
-
-Example:
-&dsi {
- ...
-
- panel@0 {
- compatible = "samsung,s6e3ha2";
- reg = <0>;
- vdd3-supply = <&ldo27_reg>;
- vci-supply = <&ldo28_reg>;
- reset-gpios = <&gpg0 0 GPIO_ACTIVE_LOW>;
- enable-gpios = <&gpf1 5 GPIO_ACTIVE_HIGH>;
- te-gpios = <&gpf1 3 GPIO_ACTIVE_HIGH>;
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e63j0x03.txt b/Documentation/devicetree/bindings/display/panel/samsung,s6e63j0x03.txt
deleted file mode 100644
index 3f1a8392af7f..000000000000
--- a/Documentation/devicetree/bindings/display/panel/samsung,s6e63j0x03.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Samsung S6E63J0X03 1.63" 320x320 AMOLED panel (interface: MIPI-DSI command mode)
-
-Required properties:
- - compatible: "samsung,s6e63j0x03"
- - reg: the virtual channel number of a DSI peripheral
- - vdd3-supply: I/O voltage supply
- - vci-supply: voltage supply for analog circuits
- - reset-gpios: a GPIO spec for the reset pin (active low)
- - te-gpios: a GPIO spec for the tearing effect synchronization signal
- gpio pin (active high)
-
-Example:
-&dsi {
- ...
-
- panel@0 {
- compatible = "samsung,s6e63j0x03";
- reg = <0>;
- vdd3-supply = <&ldo16_reg>;
- vci-supply = <&ldo20_reg>;
- reset-gpios = <&gpe0 1 GPIO_ACTIVE_LOW>;
- te-gpios = <&gpx0 6 GPIO_ACTIVE_HIGH>;
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt b/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt
deleted file mode 100644
index 9fb9ebeef8e4..000000000000
--- a/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-Samsung s6e63m0 AMOLED LCD panel
-
-Required properties:
- - compatible: "samsung,s6e63m0"
- - reset-gpios: GPIO spec for reset pin
- - vdd3-supply: VDD regulator
- - vci-supply: VCI regulator
-
-The panel must obey rules for SPI slave device specified in document [1].
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in [2]. This
-node should describe panel's video bus.
-
-[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
-[2]: Documentation/devicetree/bindings/media/video-interfaces.txt
-
-Example:
-
- s6e63m0: display@0 {
- compatible = "samsung,s6e63m0";
- reg = <0>;
- reset-gpio = <&mp05 5 1>;
- vdd3-supply = <&ldo12_reg>;
- vci-supply = <&ldo11_reg>;
- spi-max-frequency = <1200000>;
-
- port {
- lcd_ep: endpoint {
- remote-endpoint = <&fimd_ep>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.yaml
new file mode 100644
index 000000000000..1dab80ae1d0a
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e63m0.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,s6e63m0.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung s6e63m0 AMOLED LCD panel
+
+maintainers:
+ - Jonathan Bakker <xc-racer2@live.ca>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: samsung,s6e63m0
+
+ reg: true
+ reset-gpios: true
+ port: true
+
+ vdd3-supply:
+ description: VDD regulator
+
+ vci-supply:
+ description: VCI regulator
+
+required:
+ - compatible
+ - reset-gpios
+ - vdd3-supply
+ - vci-supply
+ - port
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ display@0 {
+ compatible = "samsung,s6e63m0";
+ reg = <0>;
+ reset-gpios = <&mp05 5 1>;
+ vdd3-supply = <&ldo12_reg>;
+ vci-supply = <&ldo11_reg>;
+ spi-max-frequency = <1200000>;
+
+ port {
+ lcd_ep: endpoint {
+ remote-endpoint = <&fimd_ep>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.txt b/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.txt
deleted file mode 100644
index aae57ef36cdd..000000000000
--- a/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Seiko Instruments Inc. 4.3" WVGA (800 x RGB x 480) TFT with Touch-Panel
-
-Required properties:
-- compatible: should be "sii,43wvf1g".
-- "dvdd-supply": 3v3 digital regulator.
-- "avdd-supply": 5v analog regulator.
-
-Optional properties:
-- backlight: phandle for the backlight control.
-
-Example:
-
- panel {
- compatible = "sii,43wvf1g";
- backlight = <&backlight_display>;
- dvdd-supply = <&reg_lcd_3v3>;
- avdd-supply = <&reg_lcd_5v>;
- port {
- panel_in: endpoint {
- remote-endpoint = <&display_out>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.yaml b/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.yaml
new file mode 100644
index 000000000000..cfaa50cf5f5d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/seiko,43wvf1g.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/seiko,43wvf1g.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Seiko Instruments Inc. 4.3" WVGA (800 x RGB x 480) TFT with Touch-Panel
+
+maintainers:
+ - Marco Franchi <marco.franchi@nxp.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sii,43wvf1g
+
+ backlight: true
+ port: true
+
+ dvdd-supply:
+ description: 3v3 digital regulator
+
+ avdd-supply:
+ description: 5v analog regulator
+
+required:
+ - compatible
+ - dvdd-supply
+ - avdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ panel {
+ compatible = "sii,43wvf1g";
+
+ backlight = <&backlight_display>;
+ dvdd-supply = <&reg_lcd_3v3>;
+ avdd-supply = <&reg_lcd_5v>;
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&display_out>;
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.txt b/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.txt
deleted file mode 100644
index 0f57c3143506..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.txt
+++ /dev/null
@@ -1,36 +0,0 @@
-Sharp 15" LQ150X1LG11 XGA TFT LCD panel
-
-Required properties:
-- compatible: should be "sharp,lq150x1lg11"
-- power-supply: regulator to provide the VCC supply voltage (3.3 volts)
-
-Optional properties:
-- backlight: phandle of the backlight device
-- rlud-gpios: a single GPIO for the RL/UD (rotate 180 degrees) pin.
-- sellvds-gpios: a single GPIO for the SELLVDS pin.
-
-If rlud-gpios and/or sellvds-gpios are not specified, the RL/UD and/or SELLVDS
-pins are assumed to be handled appropriately by the hardware.
-
-Example:
-
- backlight: backlight {
- compatible = "pwm-backlight";
- pwms = <&pwm 0 100000>; /* VBR */
-
- brightness-levels = <0 20 40 60 80 100>;
- default-brightness-level = <2>;
-
- power-supply = <&vdd_12v_reg>; /* VDD */
- enable-gpios = <&gpio 42 GPIO_ACTIVE_HIGH>; /* XSTABY */
- };
-
- panel {
- compatible = "sharp,lq150x1lg11";
-
- power-supply = <&vcc_3v3_reg>; /* VCC */
-
- backlight = <&backlight>;
- rlud-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; /* RL/UD */
- sellvds-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>; /* SELLVDS */
- };
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.yaml b/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.yaml
new file mode 100644
index 000000000000..92f2d12f4f4c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,lq150x1lg11.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sharp,lq150x1lg11.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sharp 15" LQ150X1LG11 XGA TFT LCD panel
+
+maintainers:
+ - Peter Rosin <peda@axentia.se>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sharp,lq150x1lg11
+
+ power-supply: true
+ backlight: true
+
+ rlud-gpios:
+ maxItems: 1
+ description: |
+ GPIO for the RL/UD (rotate 180 degrees) pin.
+ If rlud-gpios and/or sellvds-gpios are not specified,
+ the RL/UD and/or SELLVDS pins are assumed to be handled
+ appropriately by the hardware.
+
+ sellvds-gpios:
+ maxItems: 1
+ description: |
+ GPIO for the SELLVDS pin.
+ If rlud-gpios and/or sellvds-gpios are not specified,
+ the RL/UD and/or SELLVDS pins are assumed to be handled
+ appropriately by the hardware.
+
+required:
+ - compatible
+ - power-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ panel {
+ compatible = "sharp,lq150x1lg11";
+
+ power-supply = <&vcc_3v3_reg>; /* VCC */
+
+ backlight = <&backlight>;
+ rlud-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; /* RL/UD */
+ sellvds-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>; /* SELLVDS */
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.txt b/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.txt
deleted file mode 100644
index 0cc8981e9d49..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-SHARP LS037V7DW01 TFT-LCD panel
-===================================
-
-Required properties:
-- compatible: "sharp,ls037v7dw01"
-
-Optional properties:
-- label: a symbolic name for the panel
-- enable-gpios: a GPIO spec for the optional enable pin.
- This pin is the INI pin as specified in the LS037V7DW01.pdf file.
-- reset-gpios: a GPIO spec for the optional reset pin.
- This pin is the RESB pin as specified in the LS037V7DW01.pdf file.
-- mode-gpios: a GPIO
- ordered MO, LR, and UD as specified in the LS037V7DW01.pdf file.
-
-Required nodes:
-- Video port for DPI input
-
-This panel can have zero to five GPIOs to configure to change configuration
-between QVGA and VGA mode and the scan direction. As these pins can be also
-configured with external pulls, all the GPIOs are considered optional with holes
-in the array.
-
-Example
--------
-
-Example when connected to a omap2+ based device:
-
-lcd0: display {
- compatible = "sharp,ls037v7dw01";
- power-supply = <&lcd_3v3>;
- enable-gpios = <&gpio5 24 GPIO_ACTIVE_HIGH>; /* gpio152, lcd INI */
- reset-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; /* gpio155, lcd RESB */
- mode-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH /* gpio154, lcd MO */
- &gpio1 2 GPIO_ACTIVE_HIGH /* gpio2, lcd LR */
- &gpio1 3 GPIO_ACTIVE_HIGH>; /* gpio3, lcd UD */
-
- port {
- lcd_in: endpoint {
- remote-endpoint = <&dpi_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.yaml
new file mode 100644
index 000000000000..8c47a9b0b507
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,ls037v7dw01.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sharp,ls037v7dw01.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SHARP LS037V7DW01 TFT-LCD panel
+
+description: |
+ This panel can have zero to five GPIOs to configure to change configuration
+ between QVGA and VGA mode and the scan direction. As these pins can be also
+ configured with external pulls, all the GPIOs are considered optional with holes
+ in the array.
+
+maintainers:
+ - Tony Lindgren <tony@atomide.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sharp,ls037v7dw01
+
+ label: true
+ enable-gpios: true
+ reset-gpios: true
+ port: true
+ power-supply: true
+
+ mode-gpios:
+ minItems: 1
+ maxItems: 3
+ description: |
+ GPIO ordered MO, LR, and UD as specified in LS037V7DW01.pdf
+ This panel can have zero to three GPIOs to configure to
+ change configuration between QVGA and VGA mode and the
+ scan direction. As these pins can be also configured
+ with external pulls, all the GPIOs are considered
+ optional with holes in the array.
+
+required:
+ - compatible
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ lcd0: display {
+ compatible = "sharp,ls037v7dw01";
+ power-supply = <&lcd_3v3>;
+ enable-gpios = <&gpio5 24 GPIO_ACTIVE_HIGH>; /* gpio152, lcd INI */
+ reset-gpios = <&gpio5 27 GPIO_ACTIVE_HIGH>; /* gpio155, lcd RESB */
+ mode-gpios = <&gpio5 26 GPIO_ACTIVE_HIGH /* gpio154, lcd MO */
+ &gpio1 2 GPIO_ACTIVE_HIGH /* gpio2, lcd LR */
+ &gpio1 3 GPIO_ACTIVE_HIGH>; /* gpio3, lcd UD */
+
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt b/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt
deleted file mode 100644
index 3770a111968b..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-Sharp Microelectronics 4.3" qHD TFT LCD panel
-
-Required properties:
-- compatible: should be "sharp,ls043t1le01-qhd"
-- reg: DSI virtual channel of the peripheral
-- power-supply: phandle of the regulator that provides the supply voltage
-
-Optional properties:
-- backlight: phandle of the backlight device attached to the panel
-- reset-gpios: a GPIO spec for the reset pin
-
-Example:
-
- mdss_dsi@fd922800 {
- panel@0 {
- compatible = "sharp,ls043t1le01-qhd";
- reg = <0>;
- avdd-supply = <&pm8941_l22>;
- backlight = <&pm8941_wled>;
- reset-gpios = <&pm8941_gpios 19 GPIO_ACTIVE_HIGH>;
- };
- };
diff --git a/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.yaml b/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.yaml
new file mode 100644
index 000000000000..a90d0d8bf7c9
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sharp,ls043t1le01.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sharp,ls043t1le01.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sharp Microelectronics 4.3" qHD TFT LCD panel
+
+maintainers:
+ - Werner Johansson <werner.johansson@sonymobile.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sharp,ls043t1le01-qhd
+
+ reg: true
+ backlight: true
+ reset-gpios: true
+ port: true
+
+ avdd-supply:
+ description: handle of the regulator that provides the supply voltage
+
+required:
+ - compatible
+ - reg
+ - avdd-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "sharp,ls043t1le01-qhd";
+ reg = <0>;
+ avdd-supply = <&pm8941_l22>;
+ backlight = <&pm8941_wled>;
+ reset-gpios = <&pm8941_gpios 19 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/simple-panel.txt b/Documentation/devicetree/bindings/display/panel/simple-panel.txt
deleted file mode 100644
index e11208fb7da8..000000000000
--- a/Documentation/devicetree/bindings/display/panel/simple-panel.txt
+++ /dev/null
@@ -1 +0,0 @@
-See panel-common.yaml in this directory.
diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt
deleted file mode 100644
index ccd17597f1f6..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-Sitronix ST7701 based LCD panels
-
-ST7701 designed for small and medium sizes of TFT LCD display, is
-capable of supporting up to 480RGBX864 in resolution. It provides
-several system interfaces like MIPI/RGB/SPI.
-
-Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
-inbuilt ST7701 chip.
-
-Required properties:
-- compatible: must be "sitronix,st7701" and one of
- * "techstar,ts8550b"
-- reset-gpios: a GPIO phandle for the reset pin
-
-Required properties for techstar,ts8550b:
-- reg: DSI virtual channel used by that screen
-- VCC-supply: analog regulator for MIPI circuit
-- IOVCC-supply: I/O system regulator
-
-Optional properties:
-- backlight: phandle for the backlight control.
-
-panel@0 {
- compatible = "techstar,ts8550b", "sitronix,st7701";
- reg = <0>;
- VCC-supply = <&reg_dldo2>;
- IOVCC-supply = <&reg_dldo2>;
- reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
- backlight = <&backlight>;
-};
diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml
new file mode 100644
index 000000000000..6dff59fe4be1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sitronix,st7701.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST7701 based LCD panels
+
+maintainers:
+ - Jagan Teki <jagan@amarulasolutions.com>
+
+description: |
+ ST7701 designed for small and medium sizes of TFT LCD display, is
+ capable of supporting up to 480RGBX864 in resolution. It provides
+ several system interfaces like MIPI/RGB/SPI.
+
+ Techstar TS8550B is 480x854, 2-lane MIPI DSI LCD panel which has
+ inbuilt ST7701 chip.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - techstar,ts8550b
+ - const: sitronix,st7701
+
+ reg:
+ description: DSI virtual channel used by that screen
+ maxItems: 1
+
+ VCC-supply:
+ description: analog regulator for MIPI circuit
+
+ IOVCC-supply:
+ description: I/O system regulator
+
+ reset-gpios: true
+
+ backlight: true
+
+required:
+ - compatible
+ - reg
+ - VCC-supply
+ - IOVCC-supply
+ - reset-gpios
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ dsi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "techstar,ts8550b", "sitronix,st7701";
+ reg = <0>;
+ VCC-supply = <&reg_dldo2>;
+ IOVCC-supply = <&reg_dldo2>;
+ reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
+ backlight = <&backlight>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt b/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt
deleted file mode 100644
index c6995dde641b..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.txt
+++ /dev/null
@@ -1,37 +0,0 @@
-Sitronix ST7789V RGB panel with SPI control bus
-
-Required properties:
- - compatible: "sitronix,st7789v"
- - reg: Chip select of the panel on the SPI bus
- - reset-gpios: a GPIO phandle for the reset pin
- - power-supply: phandle of the regulator that provides the supply voltage
-
-Optional properties:
- - backlight: phandle to the backlight used
-
-The generic bindings for the SPI slaves documented in [1] also applies
-
-The device node can contain one 'port' child node with one child
-'endpoint' node, according to the bindings defined in [2]. This
-node should describe panel's video bus.
-
-[1]: Documentation/devicetree/bindings/spi/spi-bus.txt
-[2]: Documentation/devicetree/bindings/graph.txt
-
-Example:
-
-panel@0 {
- compatible = "sitronix,st7789v";
- reg = <0>;
- reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>;
- backlight = <&pwm_bl>;
- spi-max-frequency = <100000>;
- spi-cpol;
- spi-cpha;
-
- port {
- panel_input: endpoint {
- remote-endpoint = <&tcon0_out_panel>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.yaml b/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.yaml
new file mode 100644
index 000000000000..fa46d151e7b3
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sitronix,st7789v.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sitronix,st7789v.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sitronix ST7789V RGB panel with SPI control bus
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Maxime Ripard <mripard@kernel.org>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sitronix,st7789v
+
+ reg: true
+ reset-gpios: true
+ power-supply: true
+ backlight: true
+ port: true
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - power-supply
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "sitronix,st7789v";
+ reg = <0>;
+ reset-gpios = <&pio 6 11 GPIO_ACTIVE_LOW>;
+ backlight = <&pwm_bl>;
+ power-supply = <&power>;
+ spi-max-frequency = <100000>;
+ spi-cpol;
+ spi-cpha;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&tcon0_out_panel>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/sony,acx565akm.txt b/Documentation/devicetree/bindings/display/panel/sony,acx565akm.txt
deleted file mode 100644
index e12333280749..000000000000
--- a/Documentation/devicetree/bindings/display/panel/sony,acx565akm.txt
+++ /dev/null
@@ -1,30 +0,0 @@
-Sony ACX565AKM SDI Panel
-========================
-
-Required properties:
-- compatible: "sony,acx565akm"
-
-Optional properties:
-- label: a symbolic name for the panel
-- reset-gpios: panel reset gpio
-
-Required nodes:
-- Video port for SDI input
-
-Example
--------
-
-acx565akm@2 {
- compatible = "sony,acx565akm";
- spi-max-frequency = <6000000>;
- reg = <2>;
-
- label = "lcd";
- reset-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* 90 */
-
- port {
- lcd_in: endpoint {
- remote-endpoint = <&sdi_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/sony,acx565akm.yaml b/Documentation/devicetree/bindings/display/panel/sony,acx565akm.yaml
new file mode 100644
index 000000000000..95d053c548ab
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/sony,acx565akm.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/sony,acx565akm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sony ACX565AKM SDI Panel
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Tomi Valkeinen <tomi.valkeinen@ti.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: sony,acx565akm
+
+ label: true
+ reset-gpios: true
+ port: true
+
+required:
+ - compatible
+ - port
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@2 {
+ compatible = "sony,acx565akm";
+ spi-max-frequency = <6000000>;
+ reg = <2>;
+
+ label = "lcd";
+ reset-gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>; /* 90 */
+
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&sdi_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.txt b/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.txt
deleted file mode 100644
index 70cd8d18d841..000000000000
--- a/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.txt
+++ /dev/null
@@ -1,4 +0,0 @@
-Startek Electronic Technology Co. KD050C 5.0" WVGA TFT LCD panel
-
-Required properties:
-- compatible: should be "startek,startek-kd050c"
diff --git a/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.yaml b/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.yaml
new file mode 100644
index 000000000000..fd668640afd1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/startek,startek-kd050c.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/startek,startek-kd050c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Startek Electronic Technology Co. KD050C 5.0" WVGA TFT LCD panel
+
+maintainers:
+ - Nikita Kiryanov <nikita@compulab.co.il>
+
+allOf:
+ - $ref: panel-dpi.yaml#
+
+properties:
+ compatible:
+ items:
+ - const: startek,startek-kd050c
+ - {} # panel-dpi, but not listed here to avoid false select
+
+ backlight: true
+ enable-gpios: true
+ height-mm: true
+ label: true
+ panel-timing: true
+ port: true
+ power-supply: true
+ reset-gpios: true
+ width-mm: true
+
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/tpo,td.yaml b/Documentation/devicetree/bindings/display/panel/tpo,td.yaml
new file mode 100644
index 000000000000..4aa605613445
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/tpo,td.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/tpo,td.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toppoly TD Panels
+
+description: |
+ The panel must obey the rules for a SPI slave device as specified in
+ spi/spi-controller.yaml
+
+maintainers:
+ - Marek Belisko <marek@goldelico.com>
+ - H. Nikolaus Schaller <hns@goldelico.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ enum:
+ # Toppoly TD028TTEC1 Panel
+ - tpo,td028ttec1
+ # Toppoly TD043MTEA1 Panel
+ - tpo,td043mtea1
+
+ reg: true
+ label: true
+ reset-gpios: true
+ backlight: true
+ port: true
+
+required:
+ - compatible
+ - port
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel: panel@0 {
+ compatible = "tpo,td043mtea1";
+ reg = <0>;
+ spi-max-frequency = <100000>;
+ spi-cpol;
+ spi-cpha;
+
+ label = "lcd";
+
+ reset-gpios = <&gpio7 7 0>;
+
+ port {
+ lcd_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/panel/tpo,td028ttec1.txt b/Documentation/devicetree/bindings/display/panel/tpo,td028ttec1.txt
deleted file mode 100644
index 898e06ecf4ef..000000000000
--- a/Documentation/devicetree/bindings/display/panel/tpo,td028ttec1.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-Toppoly TD028TTEC1 Panel
-========================
-
-Required properties:
-- compatible: "tpo,td028ttec1"
-
-Optional properties:
-- label: a symbolic name for the panel
-- backlight: phandle of the backlight device
-
-Required nodes:
-- Video port for DPI input
-
-Example
--------
-
-lcd-panel: td028ttec1@0 {
- compatible = "tpo,td028ttec1";
- reg = <0>;
- spi-max-frequency = <100000>;
- spi-cpol;
- spi-cpha;
-
- label = "lcd";
- backlight = <&backlight>;
- port {
- lcd_in: endpoint {
- remote-endpoint = <&dpi_out>;
- };
- };
-};
-
diff --git a/Documentation/devicetree/bindings/display/panel/tpo,td043mtea1.txt b/Documentation/devicetree/bindings/display/panel/tpo,td043mtea1.txt
deleted file mode 100644
index ec6d62975162..000000000000
--- a/Documentation/devicetree/bindings/display/panel/tpo,td043mtea1.txt
+++ /dev/null
@@ -1,33 +0,0 @@
-TPO TD043MTEA1 Panel
-====================
-
-Required properties:
-- compatible: "tpo,td043mtea1"
-- reset-gpios: panel reset gpio
-
-Optional properties:
-- label: a symbolic name for the panel
-
-Required nodes:
-- Video port for DPI input
-
-Example
--------
-
-lcd-panel: panel@0 {
- compatible = "tpo,td043mtea1";
- reg = <0>;
- spi-max-frequency = <100000>;
- spi-cpol;
- spi-cpha;
-
- label = "lcd";
-
- reset-gpios = <&gpio7 7 0>;
-
- port {
- lcd_in: endpoint {
- remote-endpoint = <&dpi_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
new file mode 100644
index 000000000000..b36f39f6b233
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/visionox,rm69299.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/visionox,rm69299.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Visionox model RM69299 Panels Device Tree Bindings.
+
+maintainers:
+ - Harigovindan P <harigovi@codeaurora.org>
+
+description: |
+ This binding is for display panels using a Visionox RM692999 panel.
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ const: visionox,rm69299-1080p-display
+
+ vdda-supply:
+ description: |
+ Phandle of the regulator that provides the vdda supply voltage.
+
+ vdd3p3-supply:
+ description: |
+ Phandle of the regulator that provides the vdd3p3 supply voltage.
+
+ port: true
+ reset-gpios: true
+
+additionalProperties: false
+
+required:
+ - compatible
+ - vdda-supply
+ - vdd3p3-supply
+ - reset-gpios
+ - port
+
+examples:
+ - |
+ panel {
+ compatible = "visionox,rm69299-1080p-display";
+
+ vdda-supply = <&src_pp1800_l8c>;
+ vdd3p3-supply = <&src_pp2800_l18a>;
+
+ reset-gpios = <&pm6150l_gpio 3 0>;
+ port {
+ panel0_in: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml b/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml
index d9fdb58e06b4..6913923df569 100644
--- a/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml
+++ b/Documentation/devicetree/bindings/display/panel/xinpeng,xpp055c272.yaml
@@ -37,7 +37,6 @@ examples:
dsi {
#address-cells = <1>;
#size-cells = <0>;
- reg = <0xff450000 0x1000>;
panel@0 {
compatible = "xinpeng,xpp055c272";
diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt b/Documentation/devicetree/bindings/display/renesas,du.txt
index eb4ae41fe41f..51cd4d162770 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.txt
+++ b/Documentation/devicetree/bindings/display/renesas,du.txt
@@ -50,6 +50,14 @@ Required Properties:
VSP instance that serves the DU channel, and the channel index identifies
the LIF instance in that VSP.
+Optional properties:
+ - resets: A list of phandle + reset-specifier pairs, one for each entry in
+ the reset-names property.
+ - reset-names: Names of the resets. This property is model-dependent.
+ - All but R8A7779 use one reset for a group of one or more successive
+ channels. The resets must be named "du.x" with "x" being the numerical
+ index of the lowest channel in the group.
+
Required nodes:
The connections to the DU output video ports are modeled using the OF graph
@@ -96,6 +104,8 @@ Example: R8A7795 (R-Car H3) ES2.0 DU
<&cpg CPG_MOD 722>,
<&cpg CPG_MOD 721>;
clock-names = "du.0", "du.1", "du.2", "du.3";
+ resets = <&cpg 724>, <&cpg 722>;
+ reset-names = "du.0", "du.2";
renesas,cmms = <&cmm0>, <&cmm1>, <&cmm2>, <&cmm3>;
renesas,vsps = <&vspd0 0>, <&vspd1 0>, <&vspd2 0>, <&vspd0 1>;
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.txt
deleted file mode 100644
index d1ad31bca8d9..000000000000
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.txt
+++ /dev/null
@@ -1,72 +0,0 @@
-Rockchip specific extensions for rk3066 HDMI
-============================================
-
-Required properties:
-- compatible:
- "rockchip,rk3066-hdmi";
-- reg:
- Physical base address and length of the controller's registers.
-- clocks, clock-names:
- Phandle to HDMI controller clock, name should be "hclk".
-- interrupts:
- HDMI interrupt number.
-- power-domains:
- Phandle to the RK3066_PD_VIO power domain.
-- rockchip,grf:
- This soc uses GRF regs to switch the HDMI TX input between vop0 and vop1.
-- ports:
- Contains one port node with two endpoints, numbered 0 and 1,
- connected respectively to vop0 and vop1.
- Contains one port node with one endpoint
- connected to a hdmi-connector node.
-- pinctrl-0, pinctrl-name:
- Switch the iomux for the HPD/I2C pins to HDMI function.
-
-Example:
- hdmi: hdmi@10116000 {
- compatible = "rockchip,rk3066-hdmi";
- reg = <0x10116000 0x2000>;
- interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&cru HCLK_HDMI>;
- clock-names = "hclk";
- power-domains = <&power RK3066_PD_VIO>;
- rockchip,grf = <&grf>;
- pinctrl-names = "default";
- pinctrl-0 = <&hdmii2c_xfer>, <&hdmi_hpd>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
- hdmi_in: port@0 {
- reg = <0>;
- #address-cells = <1>;
- #size-cells = <0>;
- hdmi_in_vop0: endpoint@0 {
- reg = <0>;
- remote-endpoint = <&vop0_out_hdmi>;
- };
- hdmi_in_vop1: endpoint@1 {
- reg = <1>;
- remote-endpoint = <&vop1_out_hdmi>;
- };
- };
- hdmi_out: port@1 {
- reg = <1>;
- hdmi_out_con: endpoint {
- remote-endpoint = <&hdmi_con_in>;
- };
- };
- };
- };
-
-&pinctrl {
- hdmi {
- hdmi_hpd: hdmi-hpd {
- rockchip,pins = <0 RK_PA0 1 &pcfg_pull_default>;
- };
- hdmii2c_xfer: hdmii2c-xfer {
- rockchip,pins = <0 RK_PA1 1 &pcfg_pull_none>,
- <0 RK_PA2 1 &pcfg_pull_none>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
new file mode 100644
index 000000000000..4110d003ce1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3066-hdmi.yaml
@@ -0,0 +1,140 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip,rk3066-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip rk3066 HDMI controller
+
+maintainers:
+ - Sandy Huang <hjc@rock-chips.com>
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ const: rockchip,rk3066-hdmi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: hclk
+
+ pinctrl-0:
+ maxItems: 2
+
+ pinctrl-names:
+ const: default
+ description:
+ Switch the iomux for the HPD/I2C pins to HDMI function.
+
+ power-domains:
+ maxItems: 1
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ This soc uses GRF regs to switch the HDMI TX input between vop0 and vop1.
+
+ ports:
+ type: object
+
+ properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ port@0:
+ type: object
+ description:
+ Port node with two endpoints, numbered 0 and 1,
+ connected respectively to vop0 and vop1.
+
+ port@1:
+ type: object
+ description:
+ Port node with one endpoint connected to a hdmi-connector node.
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+ - port@0
+ - port@1
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - pinctrl-0
+ - pinctrl-names
+ - power-domains
+ - rockchip,grf
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3066a-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/pinctrl/rockchip.h>
+ #include <dt-bindings/power/rk3066-power.h>
+ hdmi: hdmi@10116000 {
+ compatible = "rockchip,rk3066-hdmi";
+ reg = <0x10116000 0x2000>;
+ interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru HCLK_HDMI>;
+ clock-names = "hclk";
+ pinctrl-0 = <&hdmii2c_xfer>, <&hdmi_hpd>;
+ pinctrl-names = "default";
+ power-domains = <&power RK3066_PD_VIO>;
+ rockchip,grf = <&grf>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in: port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ hdmi_in_vop0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&vop0_out_hdmi>;
+ };
+ hdmi_in_vop1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&vop1_out_hdmi>;
+ };
+ };
+ hdmi_out: port@1 {
+ reg = <1>;
+ hdmi_out_con: endpoint {
+ remote-endpoint = <&hdmi_con_in>;
+ };
+ };
+ };
+ };
+
+ pinctrl {
+ hdmi {
+ hdmi_hpd: hdmi-hpd {
+ rockchip,pins = <0 RK_PA0 1 &pcfg_pull_default>;
+ };
+ hdmii2c_xfer: hdmii2c-xfer {
+ rockchip,pins = <0 RK_PA1 1 &pcfg_pull_none>,
+ <0 RK_PA2 1 &pcfg_pull_none>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
deleted file mode 100644
index 8b3a5f514205..000000000000
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
+++ /dev/null
@@ -1,74 +0,0 @@
-device-tree bindings for rockchip soc display controller (vop)
-
-VOP (Visual Output Processor) is the Display Controller for the Rockchip
-series of SoCs which transfers the image data from a video memory
-buffer to an external LCD interface.
-
-Required properties:
-- compatible: value should be one of the following
- "rockchip,rk3036-vop";
- "rockchip,rk3126-vop";
- "rockchip,px30-vop-lit";
- "rockchip,px30-vop-big";
- "rockchip,rk3066-vop";
- "rockchip,rk3188-vop";
- "rockchip,rk3288-vop";
- "rockchip,rk3368-vop";
- "rockchip,rk3366-vop";
- "rockchip,rk3399-vop-big";
- "rockchip,rk3399-vop-lit";
- "rockchip,rk3228-vop";
- "rockchip,rk3328-vop";
-
-- reg: Must contain one entry corresponding to the base address and length
- of the register space. Can optionally contain a second entry
- corresponding to the CRTC gamma LUT address.
-
-- interrupts: should contain a list of all VOP IP block interrupts in the
- order: VSYNC, LCD_SYSTEM. The interrupt specifier
- format depends on the interrupt controller used.
-
-- clocks: must include clock specifiers corresponding to entries in the
- clock-names property.
-
-- clock-names: Must contain
- aclk_vop: for ddr buffer transfer.
- hclk_vop: for ahb bus to R/W the phy regs.
- dclk_vop: pixel clock.
-
-- resets: Must contain an entry for each entry in reset-names.
- See ../reset/reset.txt for details.
-- reset-names: Must include the following entries:
- - axi
- - ahb
- - dclk
-
-- iommus: required a iommu node
-
-- port: A port node with endpoint definitions as defined in
- Documentation/devicetree/bindings/media/video-interfaces.txt.
-
-Example:
-SoC specific DT entry:
- vopb: vopb@ff930000 {
- compatible = "rockchip,rk3288-vop";
- reg = <0x0 0xff930000 0x0 0x19c>, <0x0 0xff931000 0x0 0x1000>;
- interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&cru ACLK_VOP0>, <&cru DCLK_VOP0>, <&cru HCLK_VOP0>;
- clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
- resets = <&cru SRST_LCDC1_AXI>, <&cru SRST_LCDC1_AHB>, <&cru SRST_LCDC1_DCLK>;
- reset-names = "axi", "ahb", "dclk";
- iommus = <&vopb_mmu>;
- vopb_out: port {
- #address-cells = <1>;
- #size-cells = <0>;
- vopb_out_edp: endpoint@0 {
- reg = <0>;
- remote-endpoint=<&edp_in_vopb>;
- };
- vopb_out_hdmi: endpoint@1 {
- reg = <1>;
- remote-endpoint=<&hdmi_in_vopb>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
new file mode 100644
index 000000000000..1695e3e4bcec
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop.yaml
@@ -0,0 +1,134 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/rockchip/rockchip-vop.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SoC display controller (VOP)
+
+description:
+ VOP (Video Output Processor) is the display controller for the Rockchip
+ series of SoCs which transfers the image data from a video memory
+ buffer to an external LCD interface.
+
+maintainers:
+ - Sandy Huang <hjc@rock-chips.com>
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ enum:
+ - rockchip,px30-vop-big
+ - rockchip,px30-vop-lit
+ - rockchip,rk3036-vop
+ - rockchip,rk3066-vop
+ - rockchip,rk3126-vop
+ - rockchip,rk3188-vop
+ - rockchip,rk3228-vop
+ - rockchip,rk3288-vop
+ - rockchip,rk3328-vop
+ - rockchip,rk3366-vop
+ - rockchip,rk3368-vop
+ - rockchip,rk3399-vop-big
+ - rockchip,rk3399-vop-lit
+
+ reg:
+ minItems: 1
+ items:
+ - description:
+ Must contain one entry corresponding to the base address and length
+ of the register space.
+ - description:
+ Can optionally contain a second entry corresponding to
+ the CRTC gamma LUT address.
+
+ interrupts:
+ maxItems: 1
+ description:
+ The VOP interrupt is shared by several interrupt sources, such as
+ frame start (VSYNC), line flag and other status interrupts.
+
+ clocks:
+ items:
+ - description: Clock for ddr buffer transfer.
+ - description: Pixel clock.
+ - description: Clock for the ahb bus to R/W the phy regs.
+
+ clock-names:
+ items:
+ - const: aclk_vop
+ - const: dclk_vop
+ - const: hclk_vop
+
+ resets:
+ maxItems: 3
+
+ reset-names:
+ items:
+ - const: axi
+ - const: ahb
+ - const: dclk
+
+ port:
+ type: object
+ description:
+ A port node with endpoint definitions as defined in
+ Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+ assigned-clocks:
+ maxItems: 2
+
+ assigned-clock-rates:
+ maxItems: 2
+
+ iommus:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3288-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/power/rk3288-power.h>
+ vopb: vopb@ff930000 {
+ compatible = "rockchip,rk3288-vop";
+ reg = <0x0 0xff930000 0x0 0x19c>,
+ <0x0 0xff931000 0x0 0x1000>;
+ interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru ACLK_VOP0>,
+ <&cru DCLK_VOP0>,
+ <&cru HCLK_VOP0>;
+ clock-names = "aclk_vop", "dclk_vop", "hclk_vop";
+ power-domains = <&power RK3288_PD_VIO>;
+ resets = <&cru SRST_LCDC1_AXI>,
+ <&cru SRST_LCDC1_AHB>,
+ <&cru SRST_LCDC1_DCLK>;
+ reset-names = "axi", "ahb", "dclk";
+ iommus = <&vopb_mmu>;
+ vopb_out: port {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ vopb_out_edp: endpoint@0 {
+ reg = <0>;
+ remote-endpoint=<&edp_in_vopb>;
+ };
+ vopb_out_hdmi: endpoint@1 {
+ reg = <1>;
+ remote-endpoint=<&hdmi_in_vopb>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/dma/fsl-edma.txt b/Documentation/devicetree/bindings/dma/fsl-edma.txt
index e77b08ebcd06..ee1754739b4b 100644
--- a/Documentation/devicetree/bindings/dma/fsl-edma.txt
+++ b/Documentation/devicetree/bindings/dma/fsl-edma.txt
@@ -10,7 +10,8 @@ Required properties:
- compatible :
- "fsl,vf610-edma" for eDMA used similar to that on Vybrid vf610 SoC
- "fsl,imx7ulp-edma" for eDMA2 used similar to that on i.mx7ulp
- - "fsl,fsl,ls1028a-edma" for eDMA used similar to that on Vybrid vf610 SoC
+ - "fsl,ls1028a-edma" followed by "fsl,vf610-edma" for eDMA used on the
+ LS1028A SoC.
- reg : Specifies base physical address(s) and size of the eDMA registers.
The 1st region is eDMA control register's address and size.
The 2nd and the 3rd regions are programmable channel multiplexing
diff --git a/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml b/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml
index 86cfb599256e..371f18773198 100644
--- a/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml
+++ b/Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml
@@ -22,9 +22,7 @@ properties:
const: socionext,uniphier-xdmac
reg:
- items:
- - description: XDMAC base register region (offset and length)
- - description: XDMAC extension register region (offset and length)
+ maxItems: 1
interrupts:
maxItems: 1
@@ -49,12 +47,13 @@ required:
- reg
- interrupts
- "#dma-cells"
+ - dma-channels
examples:
- |
xdmac: dma-controller@5fc10000 {
compatible = "socionext,uniphier-xdmac";
- reg = <0x5fc10000 0x1000>, <0x5fc20000 0x800>;
+ reg = <0x5fc10000 0x5300>;
interrupts = <0 188 4>;
#dma-cells = <2>;
dma-channels = <16>;
diff --git a/Documentation/devicetree/bindings/hwmon/baikal,bt1-pvt.yaml b/Documentation/devicetree/bindings/hwmon/baikal,bt1-pvt.yaml
new file mode 100644
index 000000000000..84ae4cdd08ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/baikal,bt1-pvt.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/baikal,bt1-pvt.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Baikal-T1 PVT Sensor
+
+maintainers:
+ - Serge Semin <fancer.lancer@gmail.com>
+
+description: |
+ Baikal-T1 SoC provides an embedded process, voltage and temperature
+ sensor to monitor an internal SoC environment (chip temperature, supply
+ voltage and process monitor) and on time detect critical situations,
+ which may cause the system instability and even damages. The IP-block
+ is based on the Analog Bits PVT sensor, but is equipped with a dedicated
+ control wrapper, which provides a MMIO registers-based access to the
+ sensor core functionality (APB3-bus based) and exposes an additional
+ functions like thresholds/data ready interrupts, its status and masks,
+ measurements timeout. Its internal structure is depicted on the next
+ diagram:
+
+ Analog Bits core Bakal-T1 PVT control block
+ +--------------------+ +------------------------+
+ | Temperature sensor |-+ +------| Sensors control |
+ |--------------------| |<---En---| |------------------------|
+ | Voltage sensor |-|<--Mode--| +--->| Sampled data |
+ |--------------------| |<--Trim--+ | |------------------------|
+ | Low-Vt sensor |-| | +--| Thresholds comparator |
+ |--------------------| |---Data----| | |------------------------|
+ | High-Vt sensor |-| | +->| Interrupts status |
+ |--------------------| |--Valid--+-+ | |------------------------|
+ | Standard-Vt sensor |-+ +---+--| Interrupts mask |
+ +--------------------+ |------------------------|
+ ^ | Interrupts timeout |
+ | +------------------------+
+ | ^ ^
+ Rclk-----+----------------------------------------+ |
+ APB3-------------------------------------------------+
+
+ This bindings describes the external Baikal-T1 PVT control interfaces
+ like MMIO registers space, interrupt request number and clocks source.
+ These are then used by the corresponding hwmon device driver to
+ implement the sysfs files-based access to the sensors functionality.
+
+properties:
+ compatible:
+ const: baikal,bt1-pvt
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: PVT reference clock
+ - description: APB3 interface clock
+
+ clock-names:
+ items:
+ - const: ref
+ - const: pclk
+
+ "#thermal-sensor-cells":
+ description: Baikal-T1 can be referenced as the CPU thermal-sensor
+ const: 0
+
+ baikal,pvt-temp-offset-millicelsius:
+ description: |
+ Temperature sensor trimming factor. It can be used to manually adjust the
+ temperature measurements within 7.130 degrees Celsius.
+ maxItems: 1
+ items:
+ default: 0
+ minimum: 0
+ maximum: 7130
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/mips-gic.h>
+
+ pvt@1f200000 {
+ compatible = "baikal,bt1-pvt";
+ reg = <0x1f200000 0x1000>;
+ #thermal-sensor-cells = <0>;
+
+ interrupts = <GIC_SHARED 31 IRQ_TYPE_LEVEL_HIGH>;
+
+ baikal,pvt-temp-trim-millicelsius = <1000>;
+
+ clocks = <&ccu_sys>, <&ccu_sys>;
+ clock-names = "ref", "pclk";
+ };
+...
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
index 933ba37944d7..dd8eb15aeb63 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/bindings/iio/adc/st,stm32-adc.yaml#"
+$id: "http://devicetree.org/schemas/iio/adc/st,stm32-adc.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: STMicroelectronics STM32 ADC bindings
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml
new file mode 100644
index 000000000000..e865cd8f96a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,htvec.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/loongson,htvec.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Loongson-3 HyperTransport Interrupt Vector Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description:
+ This interrupt controller is found in the Loongson-3 family of chips for
+ receiving vectorized interrupts from PCH's interrupt controller.
+
+properties:
+ compatible:
+ const: loongson,htvec-1.0
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 4
+ description: Four parent interrupts that receive chained interrupts.
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - '#interrupt-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ htvec: interrupt-controller@fb000080 {
+ compatible = "loongson,htvec-1.0";
+ reg = <0xfb000080 0x40>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ interrupt-parent = <&liointc>;
+ interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
+ <25 IRQ_TYPE_LEVEL_HIGH>,
+ <26 IRQ_TYPE_LEVEL_HIGH>,
+ <27 IRQ_TYPE_LEVEL_HIGH>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-msi.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-msi.yaml
new file mode 100644
index 000000000000..1a5ebbdd219a
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-msi.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Loongson PCH MSI Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description:
+ This interrupt controller is found in the Loongson LS7A family of PCH for
+ transforming interrupts from PCIe MSI into HyperTransport vectorized
+ interrupts.
+
+properties:
+ compatible:
+ const: loongson,pch-msi-1.0
+
+ reg:
+ maxItems: 1
+
+ loongson,msi-base-vec:
+ description:
+ u32 value of the base of parent HyperTransport vector allocated
+ to PCH MSI.
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/uint32"
+ - minimum: 0
+ maximum: 255
+
+ loongson,msi-num-vecs:
+ description:
+ u32 value of the number of parent HyperTransport vectors allocated
+ to PCH MSI.
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/uint32"
+ - minimum: 1
+ maximum: 256
+
+ msi-controller: true
+
+required:
+ - compatible
+ - reg
+ - msi-controller
+ - loongson,msi-base-vec
+ - loongson,msi-num-vecs
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ msi: msi-controller@2ff00000 {
+ compatible = "loongson,pch-msi-1.0";
+ reg = <0x2ff00000 0x4>;
+ msi-controller;
+ loongson,msi-base-vec = <64>;
+ loongson,msi-num-vecs = <64>;
+ interrupt-parent = <&htvec>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
new file mode 100644
index 000000000000..274adea13f33
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-pic.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/interrupt-controller/loongson,pch-pic.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Loongson PCH PIC Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description:
+ This interrupt controller is found in the Loongson LS7A family of PCH for
+ transforming interrupts from on-chip devices into HyperTransport vectorized
+ interrupts.
+
+properties:
+ compatible:
+ const: loongson,pch-pic-1.0
+
+ reg:
+ maxItems: 1
+
+ loongson,pic-base-vec:
+ description:
+ u32 value of the base of parent HyperTransport vector allocated
+ to PCH PIC.
+ allOf:
+ - $ref: "/schemas/types.yaml#/definitions/uint32"
+ - minimum: 0
+ maximum: 192
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 2
+
+required:
+ - compatible
+ - reg
+ - loongson,pic-base-vec
+ - interrupt-controller
+ - '#interrupt-cells'
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ pic: interrupt-controller@10000000 {
+ compatible = "loongson,pch-pic-1.0";
+ reg = <0x10000000 0x400>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ loongson,pic-base-vec = <64>;
+ interrupt-parent = <&htvec>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
new file mode 100644
index 000000000000..487a8445722e
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
@@ -0,0 +1,196 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/gateworks-gsc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Gateworks System Controller
+
+description: |
+ The Gateworks System Controller (GSC) is a device present across various
+ Gateworks product families that provides a set of system related features
+ such as the following (refer to the board hardware user manuals to see what
+ features are present)
+ - Watchdog Timer
+ - GPIO
+ - Pushbutton controller
+ - Hardware monitor with ADC's for temperature and voltage rails and
+ fan controller
+
+maintainers:
+ - Tim Harvey <tharvey@gateworks.com>
+ - Robert Jones <rjones@gateworks.com>
+
+properties:
+ $nodename:
+ pattern: "gsc@[0-9a-f]{1,2}"
+ compatible:
+ const: gw,gsc
+
+ reg:
+ description: I2C device address
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ adc:
+ type: object
+ description: Optional hardware monitoring module
+
+ properties:
+ compatible:
+ const: gw,gsc-adc
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ patternProperties:
+ "^channel@[0-9]+$":
+ type: object
+ description: |
+ Properties for a single ADC which can report cooked values
+ (i.e. temperature sensor based on thermister), raw values
+ (i.e. voltage rail with a pre-scaling resistor divider).
+
+ properties:
+ reg:
+ description: Register of the ADC
+ maxItems: 1
+
+ label:
+ description: Name of the ADC input
+
+ gw,mode:
+ description: |
+ conversion mode:
+ 0 - temperature, in C*10
+ 1 - pre-scaled voltage value
+ 2 - scaled voltage based on an optional resistor divider
+ and optional offset
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [0, 1, 2]
+
+ gw,voltage-divider-ohms:
+ description: Values of resistors for divider on raw ADC input
+ maxItems: 2
+ items:
+ minimum: 1000
+ maximum: 1000000
+
+ gw,voltage-offset-microvolt:
+ description: |
+ A positive voltage offset to apply to a raw ADC
+ (i.e. to compensate for a diode drop).
+ minimum: 0
+ maximum: 1000000
+
+ required:
+ - gw,mode
+ - reg
+ - label
+
+ required:
+ - compatible
+ - "#address-cells"
+ - "#size-cells"
+
+patternProperties:
+ "^fan-controller@[0-9a-f]+$":
+ type: object
+ description: Optional fan controller
+
+ properties:
+ compatible:
+ const: gw,gsc-fan
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ reg:
+ description: The fan controller base address
+ maxItems: 1
+
+ required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+ - "#address-cells"
+ - "#size-cells"
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gsc@20 {
+ compatible = "gw,gsc";
+ reg = <0x20>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <4 GPIO_ACTIVE_LOW>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ adc {
+ compatible = "gw,gsc-adc";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@0 { /* A0: Board Temperature */
+ reg = <0x00>;
+ label = "temp";
+ gw,mode = <0>;
+ };
+
+ channel@2 { /* A1: Input Voltage (raw ADC) */
+ reg = <0x02>;
+ label = "vdd_vin";
+ gw,mode = <1>;
+ gw,voltage-divider-ohms = <22100 1000>;
+ gw,voltage-offset-microvolt = <800000>;
+ };
+
+ channel@b { /* A2: Battery voltage */
+ reg = <0x0b>;
+ label = "vdd_bat";
+ gw,mode = <1>;
+ };
+ };
+
+ fan-controller@2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "gw,gsc-fan";
+ reg = <0x2c>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/mfd/max8998.txt b/Documentation/devicetree/bindings/mfd/max8998.txt
index 5f2f07c09c90..4ed52184d081 100644
--- a/Documentation/devicetree/bindings/mfd/max8998.txt
+++ b/Documentation/devicetree/bindings/mfd/max8998.txt
@@ -73,6 +73,8 @@ number as described in MAX8998 datasheet.
- ESAFEOUT1: (ldo19)
- ESAFEOUT2: (ld020)
+ - CHARGER: main battery charger current control
+
Standard regulator bindings are used inside regulator subnodes. Check
Documentation/devicetree/bindings/regulator/regulator.txt
for more details.
@@ -113,5 +115,11 @@ Example:
regulator-always-on;
regulator-boot-on;
};
+
+ charger_reg: CHARGER {
+ regulator-name = "CHARGER";
+ regulator-min-microamp = <90000>;
+ regulator-max-microamp = <800000>;
+ };
};
};
diff --git a/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
index f88d13d70441..be7faa6dc055 100644
--- a/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
+++ b/Documentation/devicetree/bindings/mfd/st,stpmic1.yaml
@@ -259,8 +259,6 @@ properties:
additionalProperties: false
- additionalProperties: false
-
additionalProperties: false
required:
diff --git a/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
new file mode 100644
index 000000000000..d317897e1115
--- /dev/null
+++ b/Documentation/devicetree/bindings/mips/loongson/rs780e-acpi.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mips/loongson/rs780e-acpi.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Loongson RS780E PCH ACPI Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description: |
+ This controller can be found in Loongson-3 systems with RS780E PCH.
+
+properties:
+ compatible:
+ const: loongson,rs780e-acpi
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ isa@0 {
+ compatible = "isa";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <1 0 0 0x1000>;
+
+ acpi@800 {
+ compatible = "loongson,rs780e-acpi";
+ reg = <1 0x800 0x100>;
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdhc.yaml b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdhc.yaml
new file mode 100644
index 000000000000..7a386a5b8fcb
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-mx-sdhc.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/amlogic,meson-mx-sdhc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson SDHC controller Device Tree Bindings
+
+allOf:
+ - $ref: "mmc-controller.yaml"
+
+maintainers:
+ - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+
+description: |
+ The SDHC MMC host controller on Amlogic SoCs provides an eMMC and MMC
+ card interface with 1/4/8-bit bus width.
+ It supports eMMC spec 4.4x/4.5x including HS200 (up to 100MHz clock).
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - amlogic,meson8-sdhc
+ - amlogic,meson8b-sdhc
+ - amlogic,meson8m2-sdhc
+ - const: amlogic,meson-mx-sdhc
+
+ reg:
+ minItems: 1
+
+ interrupts:
+ minItems: 1
+
+ clocks:
+ minItems: 5
+
+ clock-names:
+ items:
+ - const: clkin0
+ - const: clkin1
+ - const: clkin2
+ - const: clkin3
+ - const: pclk
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ sdhc: mmc@8e00 {
+ compatible = "amlogic,meson8-sdhc", "amlogic,meson-mx-sdhc";
+ reg = <0x8e00 0x42>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&xtal>,
+ <&fclk_div4>,
+ <&fclk_div3>,
+ <&fclk_div5>,
+ <&sdhc_pclk>;
+ clock-names = "clkin0", "clkin1", "clkin2", "clkin3", "pclk";
+ };
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
index 428685eb2ded..f29bf7dd2ece 100644
--- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
+++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt
@@ -18,12 +18,21 @@ Required Properties:
- "xlnx,zynqmp-8.9a": ZynqMP SDHCI 8.9a PHY
For this device it is strongly suggested to include clock-output-names and
#clock-cells.
+ - "xlnx,versal-8.9a": Versal SDHCI 8.9a PHY
+ For this device it is strongly suggested to include clock-output-names and
+ #clock-cells.
- "ti,am654-sdhci-5.1", "arasan,sdhci-5.1": TI AM654 MMC PHY
Note: This binding has been deprecated and moved to [5].
- "intel,lgm-sdhci-5.1-emmc", "arasan,sdhci-5.1": Intel LGM eMMC PHY
For this device it is strongly suggested to include arasan,soc-ctl-syscon.
- "intel,lgm-sdhci-5.1-sdxc", "arasan,sdhci-5.1": Intel LGM SDXC PHY
For this device it is strongly suggested to include arasan,soc-ctl-syscon.
+ - "intel,keembay-sdhci-5.1-emmc", "arasan,sdhci-5.1": Intel Keem Bay eMMC
+ For this device it is strongly suggested to include arasan,soc-ctl-syscon.
+ - "intel,keembay-sdhci-5.1-sd": Intel Keem Bay SD controller
+ For this device it is strongly suggested to include arasan,soc-ctl-syscon.
+ - "intel,keembay-sdhci-5.1-sdio": Intel Keem Bay SDIO controller
+ For this device it is strongly suggested to include arasan,soc-ctl-syscon.
[5] Documentation/devicetree/bindings/mmc/sdhci-am654.txt
@@ -104,6 +113,18 @@ Example:
clk-phase-sd-hs = <63>, <72>;
};
+ sdhci: mmc@f1040000 {
+ compatible = "xlnx,versal-8.9a", "arasan,sdhci-8.9a";
+ interrupt-parent = <&gic>;
+ interrupts = <0 126 4>;
+ reg = <0x0 0xf1040000 0x0 0x10000>;
+ clocks = <&clk200>, <&clk200>;
+ clock-names = "clk_xin", "clk_ahb";
+ clock-output-names = "clk_out_sd0", "clk_in_sd0";
+ #clock-cells = <1>;
+ clk-phase-sd-hs = <132>, <60>;
+ };
+
emmc: sdhci@ec700000 {
compatible = "intel,lgm-sdhci-5.1-emmc", "arasan,sdhci-5.1";
reg = <0xec700000 0x300>;
@@ -133,3 +154,39 @@ Example:
phy-names = "phy_arasan";
arasan,soc-ctl-syscon = <&sysconf>;
};
+
+ mmc: mmc@33000000 {
+ compatible = "intel,keembay-sdhci-5.1-emmc", "arasan,sdhci-5.1";
+ interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x0 0x33000000 0x0 0x300>;
+ clock-names = "clk_xin", "clk_ahb";
+ clocks = <&scmi_clk KEEM_BAY_PSS_AUX_EMMC>,
+ <&scmi_clk KEEM_BAY_PSS_EMMC>;
+ phys = <&emmc_phy>;
+ phy-names = "phy_arasan";
+ assigned-clocks = <&scmi_clk KEEM_BAY_PSS_AUX_EMMC>;
+ assigned-clock-rates = <200000000>;
+ clock-output-names = "emmc_cardclock";
+ #clock-cells = <0>;
+ arasan,soc-ctl-syscon = <&mmc_phy_syscon>;
+ };
+
+ sd0: mmc@31000000 {
+ compatible = "intel,keembay-sdhci-5.1-sd";
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x0 0x31000000 0x0 0x300>;
+ clock-names = "clk_xin", "clk_ahb";
+ clocks = <&scmi_clk KEEM_BAY_PSS_AUX_SD0>,
+ <&scmi_clk KEEM_BAY_PSS_SD0>;
+ arasan,soc-ctl-syscon = <&sd0_phy_syscon>;
+ };
+
+ sd1: mmc@32000000 {
+ compatible = "intel,keembay-sdhci-5.1-sdio";
+ interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x0 0x32000000 0x0 0x300>;
+ clock-names = "clk_xin", "clk_ahb";
+ clocks = <&scmi_clk KEEM_BAY_PSS_AUX_SD1>,
+ <&scmi_clk KEEM_BAY_PSS_SD1>;
+ arasan,soc-ctl-syscon = <&sd1_phy_syscon>;
+ };
diff --git a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
index c064af5838aa..291532ac0446 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
+++ b/Documentation/devicetree/bindings/mmc/renesas,mmcif.txt
@@ -11,6 +11,7 @@ Required properties:
- "renesas,mmcif-r7s72100" for the MMCIF found in r7s72100 SoCs
- "renesas,mmcif-r8a73a4" for the MMCIF found in r8a73a4 SoCs
- "renesas,mmcif-r8a7740" for the MMCIF found in r8a7740 SoCs
+ - "renesas,mmcif-r8a7742" for the MMCIF found in r8a7742 SoCs
- "renesas,mmcif-r8a7743" for the MMCIF found in r8a7743 SoCs
- "renesas,mmcif-r8a7744" for the MMCIF found in r8a7744 SoCs
- "renesas,mmcif-r8a7745" for the MMCIF found in r8a7745 SoCs
@@ -24,8 +25,8 @@ Required properties:
- interrupts: Some SoCs have only 1 shared interrupt, while others have either
2 or 3 individual interrupts (error, int, card detect). Below is the number
of interrupts for each SoC:
- 1: r8a73a4, r8a7743, r8a7744, r8a7745, r8a7778, r8a7790, r8a7791, r8a7793,
- r8a7794
+ 1: r8a73a4, r8a7742, r8a7743, r8a7744, r8a7745, r8a7778, r8a7790, r8a7791,
+ r8a7793, r8a7794
2: r8a7740, sh73a0
3: r7s72100
diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt b/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
index e6cc47844207..0ca9a622cce0 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
+++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.txt
@@ -7,6 +7,7 @@ Required properties:
"renesas,sdhi-r7s9210" - SDHI IP on R7S9210 SoC
"renesas,sdhi-r8a73a4" - SDHI IP on R8A73A4 SoC
"renesas,sdhi-r8a7740" - SDHI IP on R8A7740 SoC
+ "renesas,sdhi-r8a7742" - SDHI IP on R8A7742 SoC
"renesas,sdhi-r8a7743" - SDHI IP on R8A7743 SoC
"renesas,sdhi-r8a7744" - SDHI IP on R8A7744 SoC
"renesas,sdhi-r8a7745" - SDHI IP on R8A7745 SoC
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
index 5445931c5ab9..b8e1d2b7aea9 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt
@@ -17,6 +17,7 @@ Required properties:
"qcom,msm8916-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8992-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8996-sdhci", "qcom,sdhci-msm-v4"
+ "qcom,sm8250-sdhci", "qcom,sdhci-msm-v5"
"qcom,sdm845-sdhci", "qcom,sdhci-msm-v5"
"qcom,qcs404-sdhci", "qcom,sdhci-msm-v5"
"qcom,sc7180-sdhci", "qcom,sdhci-msm-v5";
@@ -46,6 +47,13 @@ Required properties:
"cal" - reference clock for RCLK delay calibration (optional)
"sleep" - sleep clock for RCLK delay calibration (optional)
+- qcom,ddr-config: Certain chipsets and platforms require particular settings
+ for the DDR_CONFIG register. Use this field to specify the register
+ value as per the Hardware Programming Guide.
+
+- qcom,dll-config: Chipset and Platform specific value. Use this field to
+ specify the DLL_CONFIG register value as per Hardware Programming Guide.
+
Example:
sdhc_1: sdhci@f9824900 {
@@ -63,6 +71,9 @@ Example:
clocks = <&gcc GCC_SDCC1_APPS_CLK>, <&gcc GCC_SDCC1_AHB_CLK>;
clock-names = "core", "iface";
+
+ qcom,dll-config = <0x000f642c>;
+ qcom,ddr-config = <0x80040868>;
};
sdhc_2: sdhci@f98a4900 {
@@ -80,4 +91,7 @@ Example:
clocks = <&gcc GCC_SDCC2_APPS_CLK>, <&gcc GCC_SDCC2_AHB_CLK>;
clock-names = "core", "iface";
+
+ qcom,dll-config = <0x0007642c>;
+ qcom,ddr-config = <0x80040868>;
};
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt b/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
deleted file mode 100644
index 3d1b449d6097..000000000000
--- a/Documentation/devicetree/bindings/mmc/sdhci-pxa.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-* Marvell sdhci-pxa v2/v3 controller
-
-This file documents differences between the core properties in mmc.txt
-and the properties used by the sdhci-pxav2 and sdhci-pxav3 drivers.
-
-Required properties:
-- compatible: Should be "mrvl,pxav2-mmc", "mrvl,pxav3-mmc" or
- "marvell,armada-380-sdhci".
-- reg:
- * for "mrvl,pxav2-mmc" and "mrvl,pxav3-mmc", one register area for
- the SDHCI registers.
-
- * for "marvell,armada-380-sdhci", three register areas. The first
- one for the SDHCI registers themselves, the second one for the
- AXI/Mbus bridge registers of the SDHCI unit, the third one for the
- SDIO3 Configuration register
-- reg names: should be "sdhci", "mbus", "conf-sdio3". only mandatory
- for "marvell,armada-380-sdhci"
-- clocks: Array of clocks required for SDHCI; requires at least one for
- I/O clock.
-- clock-names: Array of names corresponding to clocks property; shall be
- "io" for I/O clock and "core" for optional core clock.
-
-Optional properties:
-- mrvl,clk-delay-cycles: Specify a number of cycles to delay for tuning.
-
-Example:
-
-sdhci@d4280800 {
- compatible = "mrvl,pxav3-mmc";
- reg = <0xd4280800 0x800>;
- bus-width = <8>;
- interrupts = <27>;
- clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
- clock-names = "io", "core";
- non-removable;
- mrvl,clk-delay-cycles = <31>;
-};
-
-sdhci@d8000 {
- compatible = "marvell,armada-380-sdhci";
- reg-names = "sdhci", "mbus", "conf-sdio3";
- reg = <0xd8000 0x1000>,
- <0xdc000 0x100>;
- <0x18454 0x4>;
- interrupts = <0 25 0x4>;
- clocks = <&gateclk 17>;
- clock-names = "io";
- mrvl,clk-delay-cycles = <0x1F>;
-};
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-pxa.yaml b/Documentation/devicetree/bindings/mmc/sdhci-pxa.yaml
new file mode 100644
index 000000000000..a58715c860b7
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-pxa.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/sdhci-pxa.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Marvell PXA SDHCI v2/v3 bindings
+
+maintainers:
+ - Ulf Hansson <ulf.hansson@linaro.org>
+
+allOf:
+ - $ref: mmc-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: marvell,armada-380-sdhci
+ then:
+ properties:
+ regs:
+ minItems: 3
+ reg-names:
+ minItems: 3
+ required:
+ - reg-names
+ else:
+ properties:
+ regs:
+ maxItems: 1
+ reg-names:
+ maxItems: 1
+
+properties:
+ compatible:
+ enum:
+ - mrvl,pxav2-mmc
+ - mrvl,pxav3-mmc
+ - marvell,armada-380-sdhci
+
+ reg:
+ minItems: 1
+ maxItems: 3
+
+ reg-names:
+ items:
+ - const: sdhci
+ - const: mbus
+ - const: conf-sdio3
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: io
+ - const: core
+
+ mrvl,clk-delay-cycles:
+ description: Specify a number of cycles to delay for tuning.
+ $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/berlin2.h>
+ mmc@d4280800 {
+ compatible = "mrvl,pxav3-mmc";
+ reg = <0xd4280800 0x800>;
+ bus-width = <8>;
+ interrupts = <27>;
+ clocks = <&chip CLKID_SDIO1XIN>, <&chip CLKID_SDIO1>;
+ clock-names = "io", "core";
+ non-removable;
+ mrvl,clk-delay-cycles = <31>;
+ };
+ - |
+ mmc@d8000 {
+ compatible = "marvell,armada-380-sdhci";
+ reg-names = "sdhci", "mbus", "conf-sdio3";
+ reg = <0xd8000 0x1000>,
+ <0xdc000 0x100>,
+ <0x18454 0x4>;
+ interrupts = <0 25 0x4>;
+ clocks = <&gateclk 17>;
+ clock-names = "io";
+ mrvl,clk-delay-cycles = <0x1F>;
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
index ae91aa9d8616..64c20c92c07d 100644
--- a/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/amlogic,meson-dwmac.yaml
@@ -40,18 +40,22 @@ allOf:
then:
properties:
clocks:
+ minItems: 3
+ maxItems: 4
items:
- description: GMAC main clock
- description: First parent clock of the internal mux
- description: Second parent clock of the internal mux
+ - description: The clock which drives the timing adjustment logic
clock-names:
minItems: 3
- maxItems: 3
+ maxItems: 4
items:
- const: stmmaceth
- const: clkin0
- const: clkin1
+ - const: timing-adjustment
amlogic,tx-delay-ns:
$ref: /schemas/types.yaml#definitions/uint32
@@ -67,6 +71,19 @@ allOf:
PHY and MAC are adding a delay).
Any configuration is ignored when the phy-mode is set to "rmii".
+ amlogic,rx-delay-ns:
+ enum:
+ - 0
+ - 2
+ default: 0
+ description:
+ The internal RGMII RX clock delay (provided by this IP block) in
+ nanoseconds. When phy-mode is set to "rgmii" then the RX delay
+ should be explicitly configured. When the phy-mode is set to
+ either "rgmii-id" or "rgmii-rxid" the RX clock delay is already
+ provided by the PHY. Any configuration is ignored when the
+ phy-mode is set to "rmii".
+
properties:
compatible:
additionalItems: true
@@ -107,7 +124,7 @@ examples:
reg = <0xc9410000 0x10000>, <0xc8834540 0x8>;
interrupts = <8>;
interrupt-names = "macirq";
- clocks = <&clk_eth>, <&clkc_fclk_div2>, <&clk_mpll2>;
- clock-names = "stmmaceth", "clkin0", "clkin1";
+ clocks = <&clk_eth>, <&clk_fclk_div2>, <&clk_mpll2>, <&clk_fclk_div2>;
+ clock-names = "stmmaceth", "clkin0", "clkin1", "timing-adjustment";
phy-mode = "rgmii";
};
diff --git a/Documentation/devicetree/bindings/net/dsa/b53.txt b/Documentation/devicetree/bindings/net/dsa/b53.txt
index 5201bc15fdd6..cfd1afdc6e94 100644
--- a/Documentation/devicetree/bindings/net/dsa/b53.txt
+++ b/Documentation/devicetree/bindings/net/dsa/b53.txt
@@ -110,6 +110,9 @@ Ethernet switch connected via MDIO to the host, CPU port wired to eth0:
#size-cells = <0>;
ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
port0@0 {
reg = <0>;
label = "lan1";
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index 5aa141ccc113..9b1f1147ca36 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -81,7 +81,8 @@ properties:
$ref: /schemas/types.yaml#definitions/flag
description:
If set, indicates the PHY device does not correctly release
- the turn around line low at the end of a MDIO transaction.
+ the turn around line low at end of the control phase of the
+ MDIO transaction.
enet-phy-lane-swap:
$ref: /schemas/types.yaml#definitions/flag
diff --git a/Documentation/devicetree/bindings/net/fsl-fec.txt b/Documentation/devicetree/bindings/net/fsl-fec.txt
index ff8b0f211aa1..9b543789cd52 100644
--- a/Documentation/devicetree/bindings/net/fsl-fec.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fec.txt
@@ -22,8 +22,11 @@ Optional properties:
- fsl,err006687-workaround-present: If present indicates that the system has
the hardware workaround for ERR006687 applied and does not need a software
workaround.
-- gpr: phandle of SoC general purpose register mode. Required for wake on LAN
- on some SoCs
+- fsl,stop-mode: register bits of stop mode control, the format is
+ <&gpr req_gpr req_bit>.
+ gpr is the phandle to general purpose register node.
+ req_gpr is the gpr register offset for ENET stop request.
+ req_bit is the gpr bit offset for ENET stop request.
-interrupt-names: names of the interrupts listed in interrupts property in
the same order. The defaults if not specified are
__Number of interrupts__ __Default__
@@ -82,6 +85,7 @@ ethernet@83fec000 {
phy-supply = <&reg_fec_supply>;
phy-handle = <&ethphy>;
mdio {
+ clock-frequency = <5000000>;
ethphy: ethernet-phy@6 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <6>;
diff --git a/Documentation/devicetree/bindings/net/imx-dwmac.txt b/Documentation/devicetree/bindings/net/imx-dwmac.txt
new file mode 100644
index 000000000000..921d522fe8d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/imx-dwmac.txt
@@ -0,0 +1,56 @@
+IMX8 glue layer controller, NXP imx8 families support Synopsys MAC 5.10a IP.
+
+This file documents platform glue layer for IMX.
+Please see stmmac.txt for the other unchanged properties.
+
+The device node has following properties.
+
+Required properties:
+- compatible: Should be "nxp,imx8mp-dwmac-eqos" to select glue layer
+ and "snps,dwmac-5.10a" to select IP version.
+- clocks: Must contain a phandle for each entry in clock-names.
+- clock-names: Should be "stmmaceth" for the host clock.
+ Should be "pclk" for the MAC apb clock.
+ Should be "ptp_ref" for the MAC timer clock.
+ Should be "tx" for the MAC RGMII TX clock:
+ Should be "mem" for EQOS MEM clock.
+ - "mem" clock is required for imx8dxl platform.
+ - "mem" clock is not required for imx8mp platform.
+- interrupt-names: Should contain a list of interrupt names corresponding to
+ the interrupts in the interrupts property, if available.
+ Should be "macirq" for the main MAC IRQ
+ Should be "eth_wake_irq" for the IT which wake up system
+- intf_mode: Should be phandle/offset pair. The phandle to the syscon node which
+ encompases the GPR register, and the offset of the GPR register.
+ - required for imx8mp platform.
+ - is optional for imx8dxl platform.
+
+Optional properties:
+- intf_mode: is optional for imx8dxl platform.
+- snps,rmii_refclk_ext: to select RMII reference clock from external.
+
+Example:
+ eqos: ethernet@30bf0000 {
+ compatible = "nxp,imx8mp-dwmac-eqos", "snps,dwmac-5.10a";
+ reg = <0x30bf0000 0x10000>;
+ interrupts = <GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 135 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "eth_wake_irq", "macirq";
+ clocks = <&clk IMX8MP_CLK_ENET_QOS_ROOT>,
+ <&clk IMX8MP_CLK_QOS_ENET_ROOT>,
+ <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
+ <&clk IMX8MP_CLK_ENET_QOS>;
+ clock-names = "stmmaceth", "pclk", "ptp_ref", "tx";
+ assigned-clocks = <&clk IMX8MP_CLK_ENET_AXI>,
+ <&clk IMX8MP_CLK_ENET_QOS_TIMER>,
+ <&clk IMX8MP_CLK_ENET_QOS>;
+ assigned-clock-parents = <&clk IMX8MP_SYS_PLL1_266M>,
+ <&clk IMX8MP_SYS_PLL2_100M>,
+ <&clk IMX8MP_SYS_PLL2_125M>;
+ assigned-clock-rates = <0>, <100000000>, <125000000>;
+ nvmem-cells = <&eth_mac0>;
+ nvmem-cell-names = "mac-address";
+ nvmem_macaddr_swap;
+ intf_mode = <&gpr 0x4>;
+ status = "disabled";
+ };
diff --git a/Documentation/devicetree/bindings/net/mdio.yaml b/Documentation/devicetree/bindings/net/mdio.yaml
index 50c3397a82bc..d6a3bf8550eb 100644
--- a/Documentation/devicetree/bindings/net/mdio.yaml
+++ b/Documentation/devicetree/bindings/net/mdio.yaml
@@ -31,13 +31,25 @@ properties:
maxItems: 1
description:
The phandle and specifier for the GPIO that controls the RESET
- lines of all PHYs on that MDIO bus.
+ lines of all devices on that MDIO bus.
reset-delay-us:
description:
- RESET pulse width in microseconds. It applies to all PHY devices
- and must therefore be appropriately determined based on all PHY
- requirements (maximum value of all per-PHY RESET pulse widths).
+ RESET pulse width in microseconds. It applies to all MDIO devices
+ and must therefore be appropriately determined based on all devices
+ requirements (maximum value of all per-device RESET pulse widths).
+
+ clock-frequency:
+ description:
+ Desired MDIO bus clock frequency in Hz. Values greater than IEEE 802.3
+ defined 2.5MHz should only be used when all devices on the bus support
+ the given clock speed.
+
+ suppress-preamble:
+ description:
+ The 32 bit preamble should be suppressed. In order for this to
+ work, all devices on the bus must support suppressed preamble.
+ type: boolean
patternProperties:
"^ethernet-phy@[0-9a-f]+$":
@@ -48,7 +60,35 @@ patternProperties:
minimum: 0
maximum: 31
description:
- The ID number for the PHY.
+ The ID number for the device.
+
+ broken-turn-around:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ If set, indicates the MDIO device does not correctly release
+ the turn around line low at end of the control phase of the
+ MDIO transaction.
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: phy
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ The GPIO phandle and specifier for the MDIO reset signal.
+
+ reset-assert-us:
+ description:
+ Delay after the reset was asserted in microseconds. If this
+ property is missing the delay will be skipped.
+
+ reset-deassert-us:
+ description:
+ Delay after the reset was deasserted in microseconds. If
+ this property is missing the delay will be skipped.
required:
- reg
diff --git a/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml b/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml
new file mode 100644
index 000000000000..aea88e621792
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/mediatek,star-emac.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/mediatek,star-emac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek STAR Ethernet MAC Controller
+
+maintainers:
+ - Bartosz Golaszewski <bgolaszewski@baylibre.com>
+
+description:
+ This Ethernet MAC is used on the MT8* family of SoCs from MediaTek.
+ It's compliant with 802.3 standards and supports half- and full-duplex
+ modes with flow-control as well as CRC offloading and VLAN tags.
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - mediatek,mt8516-eth
+ - mediatek,mt8518-eth
+ - mediatek,mt8175-eth
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 3
+ maxItems: 3
+
+ clock-names:
+ additionalItems: false
+ items:
+ - const: core
+ - const: reg
+ - const: trans
+
+ mediatek,pericfg:
+ $ref: /schemas/types.yaml#definitions/phandle
+ description:
+ Phandle to the device containing the PERICFG register range. This is used
+ to control the MII mode.
+
+ mdio:
+ type: object
+ description:
+ Creates and registers an MDIO bus.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - mediatek,pericfg
+ - phy-handle
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/mt8516-clk.h>
+
+ ethernet: ethernet@11180000 {
+ compatible = "mediatek,mt8516-eth";
+ reg = <0x11180000 0x1000>;
+ mediatek,pericfg = <&pericfg>;
+ interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_RG_ETH>,
+ <&topckgen CLK_TOP_66M_ETH>,
+ <&topckgen CLK_TOP_133M_ETH>;
+ clock-names = "core", "reg", "trans";
+ phy-handle = <&eth_phy>;
+ phy-mode = "rmii";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eth_phy: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml
new file mode 100644
index 000000000000..42be0255512b
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/nxp,tja11xx.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nxp,tja11xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP TJA11xx PHY
+
+maintainers:
+ - Andrew Lunn <andrew@lunn.ch>
+ - Florian Fainelli <f.fainelli@gmail.com>
+ - Heiner Kallweit <hkallweit1@gmail.com>
+
+description:
+ Bindings for NXP TJA11xx automotive PHYs
+
+allOf:
+ - $ref: ethernet-phy.yaml#
+
+patternProperties:
+ "^ethernet-phy@[0-9a-f]+$":
+ type: object
+ description: |
+ Some packages have multiple PHYs. Secondary PHY should be defines as
+ subnode of the first (parent) PHY.
+
+ properties:
+ reg:
+ minimum: 0
+ maximum: 31
+ description:
+ The ID number for the child PHY. Should be +1 of parent PHY.
+
+ required:
+ - reg
+
+examples:
+ - |
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tja1101_phy0: ethernet-phy@4 {
+ reg = <0x4>;
+ };
+ };
+ - |
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tja1102_phy0: ethernet-phy@4 {
+ reg = <0x4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ tja1102_phy1: ethernet-phy@5 {
+ reg = <0x5>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/qca,ar71xx.txt b/Documentation/devicetree/bindings/net/qca,ar71xx.txt
deleted file mode 100644
index 2a33e71ba72b..000000000000
--- a/Documentation/devicetree/bindings/net/qca,ar71xx.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-Required properties:
-- compatible: Should be "qca,<soc>-eth". Currently support compatibles are:
- qca,ar7100-eth - Atheros AR7100
- qca,ar7240-eth - Atheros AR7240
- qca,ar7241-eth - Atheros AR7241
- qca,ar7242-eth - Atheros AR7242
- qca,ar9130-eth - Atheros AR9130
- qca,ar9330-eth - Atheros AR9330
- qca,ar9340-eth - Atheros AR9340
- qca,qca9530-eth - Qualcomm Atheros QCA9530
- qca,qca9550-eth - Qualcomm Atheros QCA9550
- qca,qca9560-eth - Qualcomm Atheros QCA9560
-
-- reg : Address and length of the register set for the device
-- interrupts : Should contain eth interrupt
-- phy-mode : See ethernet.txt file in the same directory
-- clocks: the clock used by the core
-- clock-names: the names of the clock listed in the clocks property. These are
- "eth" and "mdio".
-- resets: Should contain phandles to the reset signals
-- reset-names: Should contain the names of reset signal listed in the resets
- property. These are "mac" and "mdio"
-
-Optional properties:
-- phy-handle : phandle to the PHY device connected to this device.
-- fixed-link : Assume a fixed link. See fixed-link.txt in the same directory.
- Use instead of phy-handle.
-
-Optional subnodes:
-- mdio : specifies the mdio bus, used as a container for phy nodes
- according to phy.txt in the same directory
-
-Example:
-
-ethernet@1a000000 {
- compatible = "qca,ar9330-eth";
- reg = <0x1a000000 0x200>;
- interrupts = <5>;
- resets = <&rst 13>, <&rst 23>;
- reset-names = "mac", "mdio";
- clocks = <&pll ATH79_CLK_AHB>, <&pll ATH79_CLK_MDIO>;
- clock-names = "eth", "mdio";
-
- phy-mode = "gmii";
-};
diff --git a/Documentation/devicetree/bindings/net/qca,ar71xx.yaml b/Documentation/devicetree/bindings/net/qca,ar71xx.yaml
new file mode 100644
index 000000000000..f99a5aabe923
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/qca,ar71xx.yaml
@@ -0,0 +1,216 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/qca,ar71xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: QCA AR71XX MAC
+
+allOf:
+ - $ref: ethernet-controller.yaml#
+
+maintainers:
+ - Oleksij Rempel <o.rempel@pengutronix.de>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - qca,ar7100-eth # Atheros AR7100
+ - qca,ar7240-eth # Atheros AR7240
+ - qca,ar7241-eth # Atheros AR7241
+ - qca,ar7242-eth # Atheros AR7242
+ - qca,ar9130-eth # Atheros AR9130
+ - qca,ar9330-eth # Atheros AR9330
+ - qca,ar9340-eth # Atheros AR9340
+ - qca,qca9530-eth # Qualcomm Atheros QCA9530
+ - qca,qca9550-eth # Qualcomm Atheros QCA9550
+ - qca,qca9560-eth # Qualcomm Atheros QCA9560
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ '#address-cells':
+ description: number of address cells for the MDIO bus
+ const: 1
+
+ '#size-cells':
+ description: number of size cells on the MDIO bus
+ const: 0
+
+ clocks:
+ items:
+ - description: MAC main clock
+ - description: MDIO clock
+
+ clock-names:
+ items:
+ - const: eth
+ - const: mdio
+
+ resets:
+ items:
+ - description: MAC reset
+ - description: MDIO reset
+
+ reset-names:
+ items:
+ - const: mac
+ - const: mdio
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - phy-mode
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+examples:
+ # Lager board
+ - |
+ eth0: ethernet@19000000 {
+ compatible = "qca,ar9330-eth";
+ reg = <0x19000000 0x200>;
+ interrupts = <4>;
+ resets = <&rst 9>, <&rst 22>;
+ reset-names = "mac", "mdio";
+ clocks = <&pll 1>, <&pll 2>;
+ clock-names = "eth", "mdio";
+ qca,ethcfg = <&ethcfg>;
+ phy-mode = "mii";
+ phy-handle = <&phy_port4>;
+ };
+
+ eth1: ethernet@1a000000 {
+ compatible = "qca,ar9330-eth";
+ reg = <0x1a000000 0x200>;
+ interrupts = <5>;
+ resets = <&rst 13>, <&rst 23>;
+ reset-names = "mac", "mdio";
+ clocks = <&pll 1>, <&pll 2>;
+ clock-names = "eth", "mdio";
+
+ phy-mode = "gmii";
+
+ status = "disabled";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ switch10: switch@10 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compatible = "qca,ar9331-switch";
+ reg = <0x10>;
+ resets = <&rst 8>;
+ reset-names = "switch";
+
+ interrupt-parent = <&miscintc>;
+ interrupts = <12>;
+
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ switch_port0: port@0 {
+ reg = <0x0>;
+ label = "cpu";
+ ethernet = <&eth1>;
+
+ phy-mode = "gmii";
+
+ fixed-link {
+ speed = <1000>;
+ full-duplex;
+ };
+ };
+
+ switch_port1: port@1 {
+ reg = <0x1>;
+ phy-handle = <&phy_port0>;
+ phy-mode = "internal";
+
+ status = "disabled";
+ };
+
+ switch_port2: port@2 {
+ reg = <0x2>;
+ phy-handle = <&phy_port1>;
+ phy-mode = "internal";
+
+ status = "disabled";
+ };
+
+ switch_port3: port@3 {
+ reg = <0x3>;
+ phy-handle = <&phy_port2>;
+ phy-mode = "internal";
+
+ status = "disabled";
+ };
+
+ switch_port4: port@4 {
+ reg = <0x4>;
+ phy-handle = <&phy_port3>;
+ phy-mode = "internal";
+
+ status = "disabled";
+ };
+ };
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ interrupt-parent = <&switch10>;
+
+ phy_port0: phy@0 {
+ reg = <0x0>;
+ interrupts = <0>;
+ status = "disabled";
+ };
+
+ phy_port1: phy@1 {
+ reg = <0x1>;
+ interrupts = <0>;
+ status = "disabled";
+ };
+
+ phy_port2: phy@2 {
+ reg = <0x2>;
+ interrupts = <0>;
+ status = "disabled";
+ };
+
+ phy_port3: phy@3 {
+ reg = <0x3>;
+ interrupts = <0>;
+ status = "disabled";
+ };
+
+ phy_port4: phy@4 {
+ reg = <0x4>;
+ interrupts = <0>;
+ status = "disabled";
+ };
+ };
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/qcom,ipa.yaml b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
index 140f15245654..7b749fc04c32 100644
--- a/Documentation/devicetree/bindings/net/qcom,ipa.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ipa.yaml
@@ -20,7 +20,10 @@ description:
The GSI is an integral part of the IPA, but it is logically isolated
and has a distinct interrupt and a separately-defined address space.
- See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt.
+ See also soc/qcom/qcom,smp2p.txt and interconnect/interconnect.txt. See
+ iommu/iommu.txt and iommu/arm,smmu.yaml for more information about SMMU
+ bindings.
+
- |
-------- ---------
@@ -54,6 +57,9 @@ properties:
- const: ipa-shared
- const: gsi
+ iommus:
+ maxItems: 1
+
clocks:
maxItems: 1
@@ -126,6 +132,7 @@ properties:
required:
- compatible
+ - iommus
- reg
- clocks
- interrupts
@@ -164,6 +171,7 @@ examples:
modem-init;
modem-remoteproc = <&mss_pil>;
+ iommus = <&apps_smmu 0x720 0x3>;
reg = <0 0x1e40000 0 0x7000>,
<0 0x1e47000 0 0x2000>,
<0 0x1e04000 0 0x2c000>;
diff --git a/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
new file mode 100644
index 000000000000..13555a89975f
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/qcom,ipq4019-mdio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm IPQ40xx MDIO Controller Device Tree Bindings
+
+maintainers:
+ - Robert Marko <robert.marko@sartura.hr>
+
+allOf:
+ - $ref: "mdio.yaml#"
+
+properties:
+ compatible:
+ const: qcom,ipq4019-mdio
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+
+examples:
+ - |
+ mdio@90000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "qcom,ipq4019-mdio";
+ reg = <0x90000 0x64>;
+
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ ethphy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ ethphy2: ethernet-phy@2 {
+ reg = <2>;
+ };
+
+ ethphy3: ethernet-phy@3 {
+ reg = <3>;
+ };
+
+ ethphy4: ethernet-phy@4 {
+ reg = <4>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
index d2202791c1d4..709ca6d51650 100644
--- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
+++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt
@@ -10,9 +10,11 @@ device the slave device is attached to.
Required properties:
- compatible: should contain one of the following:
* "qcom,qca6174-bt"
+ * "qcom,qca9377-bt"
* "qcom,wcn3990-bt"
* "qcom,wcn3991-bt"
* "qcom,wcn3998-bt"
+ * "qcom,qca6390-bt"
Optional properties for compatible string qcom,qca6174-bt:
@@ -20,6 +22,10 @@ Optional properties for compatible string qcom,qca6174-bt:
- clocks: clock provided to the controller (SUSCLK_32KHZ)
- firmware-name: specify the name of nvm firmware to load
+Optional properties for compatible string qcom,qca9377-bt:
+
+ - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml
+
Required properties for compatible string qcom,wcn399x-bt:
- vddio-supply: VDD_IO supply regulator handle.
diff --git a/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml
new file mode 100644
index 000000000000..f15a5e5e4859
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/realtek-bluetooth.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/realtek-bluetooth.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: RTL8723BS/RTL8723CS/RTL8822CS Bluetooth Device Tree Bindings
+
+maintainers:
+ - Vasily Khoruzhick <anarsoul@gmail.com>
+ - Alistair Francis <alistair@alistair23.me>
+
+description:
+ RTL8723CS/RTL8723CS/RTL8822CS is WiFi + BT chip. WiFi part is connected over
+ SDIO, while BT is connected over serial. It speaks H5 protocol with few
+ extra commands to upload firmware and change module speed.
+
+properties:
+ compatible:
+ oneOf:
+ - const: "realtek,rtl8723bs-bt"
+ - const: "realtek,rtl8723cs-bt"
+ - const: "realtek,rtl8822cs-bt"
+
+ device-wake-gpios:
+ maxItems: 1
+ description: GPIO specifier, used to wakeup the BT module
+
+ enable-gpios:
+ maxItems: 1
+ description: GPIO specifier, used to enable the BT module
+
+ host-wake-gpios:
+ maxItems: 1
+ description: GPIO specifier, used to wakeup the host processor
+
+required:
+ - compatible
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
+ uart-has-rtscts = <1>;
+
+ bluetooth {
+ compatible = "realtek,rtl8723bs-bt";
+ device-wake-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
+ host-wakeup-gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
deleted file mode 100644
index 4e85fc495e87..000000000000
--- a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
+++ /dev/null
@@ -1,64 +0,0 @@
-* Socionext AVE ethernet controller
-
-This describes the devicetree bindings for AVE ethernet controller
-implemented on Socionext UniPhier SoCs.
-
-Required properties:
- - compatible: Should be
- - "socionext,uniphier-pro4-ave4" : for Pro4 SoC
- - "socionext,uniphier-pxs2-ave4" : for PXs2 SoC
- - "socionext,uniphier-ld11-ave4" : for LD11 SoC
- - "socionext,uniphier-ld20-ave4" : for LD20 SoC
- - "socionext,uniphier-pxs3-ave4" : for PXs3 SoC
- - reg: Address where registers are mapped and size of region.
- - interrupts: Should contain the MAC interrupt.
- - phy-mode: See ethernet.txt in the same directory. Allow to choose
- "rgmii", "rmii", "mii", or "internal" according to the PHY.
- The acceptable mode is SoC-dependent.
- - phy-handle: Should point to the external phy device.
- See ethernet.txt file in the same directory.
- - clocks: A phandle to the clock for the MAC.
- For Pro4 SoC, that is "socionext,uniphier-pro4-ave4",
- another MAC clock, GIO bus clock and PHY clock are also required.
- - clock-names: Should contain
- - "ether", "ether-gb", "gio", "ether-phy" for Pro4 SoC
- - "ether" for others
- - resets: A phandle to the reset control for the MAC. For Pro4 SoC,
- GIO bus reset is also required.
- - reset-names: Should contain
- - "ether", "gio" for Pro4 SoC
- - "ether" for others
- - socionext,syscon-phy-mode: A phandle to syscon with one argument
- that configures phy mode. The argument is the ID of MAC instance.
-
-The MAC address will be determined using the optional properties
-defined in ethernet.txt.
-
-Required subnode:
- - mdio: A container for child nodes representing phy nodes.
- See phy.txt in the same directory.
-
-Example:
-
- ether: ethernet@65000000 {
- compatible = "socionext,uniphier-ld20-ave4";
- reg = <0x65000000 0x8500>;
- interrupts = <0 66 4>;
- phy-mode = "rgmii";
- phy-handle = <&ethphy>;
- clock-names = "ether";
- clocks = <&sys_clk 6>;
- reset-names = "ether";
- resets = <&sys_rst 6>;
- socionext,syscon-phy-mode = <&soc_glue 0>;
- local-mac-address = [00 00 00 00 00 00];
-
- mdio {
- #address-cells = <1>;
- #size-cells = <0>;
-
- ethphy: ethphy@1 {
- reg = <1>;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
new file mode 100644
index 000000000000..7d84a863b9b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/socionext,uniphier-ave4.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext AVE ethernet controller
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
+
+description: |
+ This describes the devicetree bindings for AVE ethernet controller
+ implemented on Socionext UniPhier SoCs.
+
+allOf:
+ - $ref: ethernet-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - socionext,uniphier-pro4-ave4
+ - socionext,uniphier-pxs2-ave4
+ - socionext,uniphier-ld11-ave4
+ - socionext,uniphier-ld20-ave4
+ - socionext,uniphier-pxs3-ave4
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ phy-mode: true
+
+ phy-handle: true
+
+ mac-address: true
+
+ local-mac-address: true
+
+ clocks:
+ minItems: 1
+ maxItems: 4
+
+ clock-names:
+ oneOf:
+ - items: # for Pro4
+ - const: gio
+ - const: ether
+ - const: ether-gb
+ - const: ether-phy
+ - const: ether # for others
+
+ resets:
+ minItems: 1
+ maxItems: 2
+
+ reset-names:
+ oneOf:
+ - items: # for Pro4
+ - const: gio
+ - const: ether
+ - const: ether # for others
+
+ socionext,syscon-phy-mode:
+ $ref: /schemas/types.yaml#definitions/phandle-array
+ description:
+ A phandle to syscon with one argument that configures phy mode.
+ The argument is the ID of MAC instance.
+
+ mdio:
+ $ref: mdio.yaml#
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - phy-mode
+ - phy-handle
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - mdio
+
+additionalProperties: false
+
+examples:
+ - |
+ ether: ethernet@65000000 {
+ compatible = "socionext,uniphier-ld20-ave4";
+ reg = <0x65000000 0x8500>;
+ interrupts = <0 66 4>;
+ phy-mode = "rgmii";
+ phy-handle = <&ethphy>;
+ clock-names = "ether";
+ clocks = <&sys_clk 6>;
+ reset-names = "ether";
+ resets = <&sys_rst 6>;
+ socionext,syscon-phy-mode = <&soc_glue 0>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethphy: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.txt b/Documentation/devicetree/bindings/net/ti,dp83867.txt
deleted file mode 100644
index 44e2a4fab29e..000000000000
--- a/Documentation/devicetree/bindings/net/ti,dp83867.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-* Texas Instruments - dp83867 Giga bit ethernet phy
-
-Required properties:
- - reg - The ID number for the phy, usually a small integer
- - ti,rx-internal-delay - RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83867.h
- for applicable values. Required only if interface type is
- PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_RXID
- - ti,tx-internal-delay - RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
- for applicable values. Required only if interface type is
- PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID
-
-Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock delays
- will be left at their default values, as set by the PHY's pin strapping.
- The default strapping will use a delay of 2.00 ns. Thus
- PHY_INTERFACE_MODE_RGMII, by default, does not behave as RGMII with no
- internal delay, but as PHY_INTERFACE_MODE_RGMII_ID. The device tree
- should use "rgmii-id" if internal delays are desired as this may be
- changed in future to cause "rgmii" mode to disable delays.
-
-Optional property:
- - ti,min-output-impedance - MAC Interface Impedance control to set
- the programmable output impedance to
- minimum value (35 ohms).
- - ti,max-output-impedance - MAC Interface Impedance control to set
- the programmable output impedance to
- maximum value (70 ohms).
- - ti,dp83867-rxctrl-strap-quirk - This denotes the fact that the
- board has RX_DV/RX_CTRL pin strapped in
- mode 1 or 2. To ensure PHY operation,
- there are specific actions that
- software needs to take when this pin is
- strapped in these modes. See data manual
- for details.
- - ti,clk-output-sel - Muxing option for CLK_OUT pin. See dt-bindings/net/ti-dp83867.h
- for applicable values. The CLK_OUT pin can also
- be disabled by this property. When omitted, the
- PHY's default will be left as is.
- - ti,sgmii-ref-clock-output-enable - This denotes which
- SGMII configuration is used (4 or 6-wire modes).
- Some MACs work with differential SGMII clock.
- See data manual for details.
-
- - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h
- for applicable values (deprecated)
-
- -tx-fifo-depth - As defined in the ethernet-controller.yaml. Values for
- the depth can be found in dt-bindings/net/ti-dp83867.h
- -rx-fifo-depth - As defined in the ethernet-controller.yaml. Values for
- the depth can be found in dt-bindings/net/ti-dp83867.h
-
-Note: ti,min-output-impedance and ti,max-output-impedance are mutually
- exclusive. When both properties are present ti,max-output-impedance
- takes precedence.
-
-Default child nodes are standard Ethernet PHY device
-nodes as described in Documentation/devicetree/bindings/net/phy.txt
-
-Example:
-
- ethernet-phy@0 {
- reg = <0>;
- ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
- ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
- tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
- };
-
-Datasheet can be found:
-http://www.ti.com/product/DP83867IR/datasheet
diff --git a/Documentation/devicetree/bindings/net/ti,dp83867.yaml b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
new file mode 100644
index 000000000000..554dcd7a40a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,dp83867.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
+# Copyright (C) 2019 Texas Instruments Incorporated
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/net/ti,dp83867.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: TI DP83867 ethernet PHY
+
+allOf:
+ - $ref: "ethernet-controller.yaml#"
+
+maintainers:
+ - Dan Murphy <dmurphy@ti.com>
+
+description: |
+ The DP83867 device is a robust, low power, fully featured Physical Layer
+ transceiver with integrated PMD sublayers to support 10BASE-Te, 100BASE-TX
+ and 1000BASE-T Ethernet protocols.
+
+ The DP83867 is designed for easy implementation of 10/100/1000 Mbps Ethernet
+ LANs. It interfaces directly to twisted pair media via an external
+ transformer. This device interfaces directly to the MAC layer through the
+ IEEE 802.3 Standard Media Independent Interface (MII), the IEEE 802.3 Gigabit
+ Media Independent Interface (GMII) or Reduced GMII (RGMII).
+
+ Specifications about the charger can be found at:
+ https://www.ti.com/lit/gpn/dp83867ir
+
+properties:
+ reg:
+ maxItems: 1
+
+ ti,min-output-impedance:
+ type: boolean
+ description: |
+ MAC Interface Impedance control to set the programmable output impedance
+ to a minimum value (35 ohms).
+
+ ti,max-output-impedance:
+ type: boolean
+ description: |
+ MAC Interface Impedance control to set the programmable output impedance
+ to a maximum value (70 ohms).
+ Note: ti,min-output-impedance and ti,max-output-impedance are mutually
+ exclusive. When both properties are present ti,max-output-impedance
+ takes precedence.
+
+ tx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Transmitt FIFO depth see dt-bindings/net/ti-dp83867.h for values
+
+ rx-fifo-depth:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Receive FIFO depth see dt-bindings/net/ti-dp83867.h for values
+
+ ti,clk-output-sel:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Muxing option for CLK_OUT pin. See dt-bindings/net/ti-dp83867.h
+ for applicable values. The CLK_OUT pin can also be disabled by this
+ property. When omitted, the PHY's default will be left as is.
+
+ ti,rx-internal-delay:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ RGMII Receive Clock Delay - see dt-bindings/net/ti-dp83867.h
+ for applicable values. Required only if interface type is
+ PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_RXID.
+
+ ti,tx-internal-delay:
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ RGMII Transmit Clock Delay - see dt-bindings/net/ti-dp83867.h
+ for applicable values. Required only if interface type is
+ PHY_INTERFACE_MODE_RGMII_ID or PHY_INTERFACE_MODE_RGMII_TXID.
+
+ Note: If the interface type is PHY_INTERFACE_MODE_RGMII the TX/RX clock
+ delays will be left at their default values, as set by the PHY's pin
+ strapping. The default strapping will use a delay of 2.00 ns. Thus
+ PHY_INTERFACE_MODE_RGMII, by default, does not behave as RGMII with no
+ internal delay, but as PHY_INTERFACE_MODE_RGMII_ID. The device tree
+ should use "rgmii-id" if internal delays are desired as this may be
+ changed in future to cause "rgmii" mode to disable delays.
+
+ ti,dp83867-rxctrl-strap-quirk:
+ type: boolean
+ description: |
+ This denotes the fact that the board has RX_DV/RX_CTRL pin strapped in
+ mode 1 or 2. To ensure PHY operation, there are specific actions that
+ software needs to take when this pin is strapped in these modes.
+ See data manual for details.
+
+ ti,sgmii-ref-clock-output-enable:
+ type: boolean
+ description: |
+ This denotes which SGMII configuration is used (4 or 6-wire modes).
+ Some MACs work with differential SGMII clock. See data manual for details.
+
+ ti,fifo-depth:
+ deprecated: true
+ $ref: /schemas/types.yaml#definitions/uint32
+ description: |
+ Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h for applicable
+ values.
+
+required:
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/net/ti-dp83867.h>
+ mdio0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
+ ti,max-output-impedance;
+ ti,clk-output-sel = <DP83867_CLK_O_SEL_CHN_A_RCLK>;
+ ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
+ ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/ti,dp83869.yaml b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
index 6fe3e451da8a..5b69ef03bbf7 100644
--- a/Documentation/devicetree/bindings/net/ti,dp83869.yaml
+++ b/Documentation/devicetree/bindings/net/ti,dp83869.yaml
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
# Copyright (C) 2019 Texas Instruments Incorporated
%YAML 1.2
---
diff --git a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
index 78bf511e2892..c87395f360a6 100644
--- a/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
+++ b/Documentation/devicetree/bindings/net/ti,k3-am654-cpsw-nuss.yaml
@@ -144,6 +144,13 @@ patternProperties:
description:
CPSW MDIO bus.
+ "^cpts@[0-9a-f]+":
+ type: object
+ allOf:
+ - $ref: "ti,k3-am654-cpts.yaml#"
+ description:
+ CPSW Common Platform Time Sync (CPTS) module.
+
required:
- compatible
- reg
@@ -164,6 +171,8 @@ examples:
#include <dt-bindings/pinctrl/k3.h>
#include <dt-bindings/soc/ti,sci_pm_domain.h>
#include <dt-bindings/net/ti-dp83867.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
mcu_cpsw: ethernet@46000000 {
compatible = "ti,am654-cpsw-nuss";
@@ -222,4 +231,15 @@ examples:
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
};
};
+
+ cpts@3d000 {
+ compatible = "ti,am65-cpts";
+ reg = <0x0 0x3d000 0x0 0x400>;
+ clocks = <&k3_clks 18 2>;
+ clock-names = "cpts";
+ interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "cpts";
+ ti,cpts-ext-ts-inputs = <4>;
+ ti,cpts-periodic-outputs = <2>;
+ };
};
diff --git a/Documentation/devicetree/bindings/net/ti,k3-am654-cpts.yaml b/Documentation/devicetree/bindings/net/ti,k3-am654-cpts.yaml
new file mode 100644
index 000000000000..50e027911dd4
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ti,k3-am654-cpts.yaml
@@ -0,0 +1,145 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/ti,k3-am654-cpts.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: The TI AM654x/J721E Common Platform Time Sync (CPTS) module Device Tree Bindings
+
+maintainers:
+ - Grygorii Strashko <grygorii.strashko@ti.com>
+ - Sekhar Nori <nsekhar@ti.com>
+
+description: |+
+ The TI AM654x/J721E CPTS module is used to facilitate host control of time
+ sync operations.
+ Main features of CPTS module are
+ - selection of multiple external clock sources
+ - Software control of time sync events via interrupt or polling
+ - 64-bit timestamp mode in ns with PPM and nudge adjustment.
+ - hardware timestamp push inputs (HWx_TS_PUSH)
+ - timestamp counter compare output (TS_COMP)
+ - timestamp counter bit output (TS_SYNC)
+ - periodic Generator function outputs (TS_GENFx)
+ - Ethernet Enhanced Scheduled Traffic Operations (CPTS_ESTFn) (TSN)
+ - external hardware timestamp push inputs (HWx_TS_PUSH) timestamping
+
+ Depending on integration it enables compliance with the IEEE 1588-2008
+ standard for a precision clock synchronization protocol, Ethernet Enhanced
+ Scheduled Traffic Operations (CPTS_ESTFn) and PCIe Subsystem Precision Time
+ Measurement (PTM).
+
+ TI AM654x/J721E SoCs has several similar CPTS modules integrated into the
+ different parts of the system which could be synchronized with each other
+ - Main CPTS
+ - MCU CPSW CPTS with IEEE 1588-2008 support
+ - PCIe subsystem CPTS for PTM support
+
+ Depending on CPTS module integration and when CPTS is integral part of
+ another module (MCU CPSW for example) "compatible" and "reg" can
+ be omitted - parent module is fully responsible for CPTS enabling and
+ configuration.
+
+properties:
+ $nodename:
+ pattern: "^cpts@[0-9a-f]+$"
+
+ compatible:
+ oneOf:
+ - const: ti,am65-cpts
+ - const: ti,j721e-cpts
+
+ reg:
+ maxItems: 1
+ description:
+ The physical base address and size of CPTS IO range
+
+ reg-names:
+ items:
+ - const: cpts
+
+ clocks:
+ description: CPTS reference clock
+
+ clock-names:
+ items:
+ - const: cpts
+
+ interrupts:
+ items:
+ - description: CPTS events interrupt
+
+ interrupt-names:
+ items:
+ - const: cpts
+
+ ti,cpts-ext-ts-inputs:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 8
+ description:
+ Number of hardware timestamp push inputs (HWx_TS_PUSH)
+
+ ti,cpts-periodic-outputs:
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 8
+ description:
+ Number of timestamp Generator function outputs (TS_GENFx)
+
+ refclk-mux:
+ type: object
+ description: CPTS reference clock multiplexer clock
+ properties:
+ '#clock-cells':
+ const: 0
+
+ clocks:
+ maxItems: 8
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clocks-parents:
+ maxItems: 1
+
+ required:
+ - clocks
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - interrupts
+ - interrupt-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ cpts@310d0000 {
+ compatible = "ti,am65-cpts";
+ reg = <0x0 0x310d0000 0x0 0x400>;
+ reg-names = "cpts";
+ clocks = <&main_cpts_mux>;
+ clock-names = "cpts";
+ interrupts-extended = <&k3_irq 163 0 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "cpts";
+ ti,cpts-periodic-outputs = <6>;
+ ti,cpts-ext-ts-inputs = <8>;
+
+ main_cpts_mux: refclk-mux {
+ #clock-cells = <0>;
+ clocks = <&k3_clks 118 5>, <&k3_clks 118 11>,
+ <&k3_clks 157 91>, <&k3_clks 157 77>,
+ <&k3_clks 157 102>, <&k3_clks 157 80>,
+ <&k3_clks 120 3>, <&k3_clks 121 3>;
+ assigned-clocks = <&main_cpts_mux>;
+ assigned-clock-parents = <&k3_clks 118 11>;
+ };
+ };
+
diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
index 3a76d8faaaed..ab7e7a00e534 100644
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.txt
@@ -25,6 +25,9 @@ Optional properties:
- mediatek,mtd-eeprom: Specify a MTD partition + offset containing EEPROM data
- big-endian: if the radio eeprom partition is written in big-endian, specify
this property
+- mediatek,eeprom-merge-otp: Merge EEPROM data with OTP data. Can be used on
+ boards where the flash calibration data is generic and specific calibration
+ data should be pulled from the OTP ROM
The MAC address can as well be set with corresponding optional properties
defined in net/ethernet.txt.
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 71bf91f97386..65ee68efd574 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -96,6 +96,17 @@ Optional properties:
- qcom,coexist-gpio-pin : gpio pin number information to support coex
which will be used by wifi firmware.
+* Subnodes
+The ath10k wifi node can contain one optional firmware subnode.
+Firmware subnode is needed when the platform does not have TustZone.
+The firmware subnode must have:
+
+- iommus:
+ Usage: required
+ Value type: <prop-encoded-array>
+ Definition: A list of phandle and IOMMU specifier pairs.
+
+
Example (to supply PCI based wifi block details):
In this example, the node is defined as child node of the PCI controller.
@@ -196,4 +207,7 @@ wifi@18000000 {
memory-region = <&wifi_msa_mem>;
iommus = <&apps_smmu 0x0040 0x1>;
qcom,msa-fixed-perm;
+ wifi-firmware {
+ iommus = <&apps_iommu 0xc22 0x1>;
+ };
};
diff --git a/Documentation/devicetree/bindings/pci/loongson.yaml b/Documentation/devicetree/bindings/pci/loongson.yaml
new file mode 100644
index 000000000000..30e7cf1aeb87
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/loongson.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/loongson.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson PCI Host Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description: |+
+ PCI host controller found on Loongson PCHs and SoCs.
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,ls2k-pci
+ - const: loongson,ls7a-pci
+ - const: loongson,rs780e-pci
+
+ reg:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: CFG0 standard config space register
+ - description: CFG1 extended config space register
+
+ ranges:
+ minItems: 1
+ maxItems: 3
+
+
+required:
+ - compatible
+ - reg
+ - ranges
+
+examples:
+ - |
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ pcie@1a000000 {
+ compatible = "loongson,rs780e-pci";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ // CPU_PHYSICAL(2) SIZE(2)
+ reg = <0x0 0x1a000000 0x0 0x2000000>;
+
+ // BUS_ADDRESS(3) CPU_PHYSICAL(2) SIZE(2)
+ ranges = <0x01000000 0x0 0x00004000 0x0 0x00004000 0x0 0x00004000>,
+ <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>;
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
index 144ae29e7141..f8bd28ff31c1 100644
--- a/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,qusb2-phy.yaml
@@ -97,7 +97,7 @@ then:
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0
maximum: 63
- default: 0
+ default: 32
qcom,charge-ctrl-value:
description:
@@ -130,7 +130,7 @@ then:
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0
maximum: 3
- default: 2
+ default: 0
qcom,preemphasis-width:
description:
@@ -152,7 +152,7 @@ then:
- $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 0
maximum: 3
- default: 0
+ default: 1
required:
- compatible
diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt
deleted file mode 100644
index a3106c72fbea..000000000000
--- a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-Anatop Voltage regulators
-
-Required properties:
-- compatible: Must be "fsl,anatop-regulator"
-- regulator-name: A string used as a descriptive name for regulator outputs
-- anatop-reg-offset: Anatop MFD register offset
-- anatop-vol-bit-shift: Bit shift for the register
-- anatop-vol-bit-width: Number of bits used in the register
-- anatop-min-bit-val: Minimum value of this register
-- anatop-min-voltage: Minimum voltage of this regulator
-- anatop-max-voltage: Maximum voltage of this regulator
-
-Optional properties:
-- anatop-delay-reg-offset: Anatop MFD step time register offset
-- anatop-delay-bit-shift: Bit shift for the step time register
-- anatop-delay-bit-width: Number of bits used in the step time register
-- vin-supply: The supply for this regulator
-- anatop-enable-bit: Regulator enable bit offset
-
-Any property defined as part of the core regulator
-binding, defined in regulator.txt, can also be used.
-
-Example:
-
- regulator-vddpu {
- compatible = "fsl,anatop-regulator";
- regulator-name = "vddpu";
- regulator-min-microvolt = <725000>;
- regulator-max-microvolt = <1300000>;
- regulator-always-on;
- anatop-reg-offset = <0x140>;
- anatop-vol-bit-shift = <9>;
- anatop-vol-bit-width = <5>;
- anatop-delay-reg-offset = <0x170>;
- anatop-delay-bit-shift = <24>;
- anatop-delay-bit-width = <2>;
- anatop-min-bit-val = <1>;
- anatop-min-voltage = <725000>;
- anatop-max-voltage = <1300000>;
- };
diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.yaml b/Documentation/devicetree/bindings/regulator/anatop-regulator.yaml
new file mode 100644
index 000000000000..e7b3abe30363
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.yaml
@@ -0,0 +1,94 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/anatop-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Anatop Voltage Regulators
+
+maintainers:
+ - Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
+
+allOf:
+ - $ref: "regulator.yaml#"
+
+properties:
+ compatible:
+ const: fsl,anatop-regulator
+
+ regulator-name: true
+
+ anatop-reg-offset:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the anatop MFD register offset.
+
+ anatop-vol-bit-shift:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the bit shift for the register.
+
+ anatop-vol-bit-width:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the number of bits used in the register.
+
+ anatop-min-bit-val:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the minimum value of this register.
+
+ anatop-min-voltage:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the minimum voltage of this regulator.
+
+ anatop-max-voltage:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the maximum voltage of this regulator.
+
+ anatop-delay-reg-offset:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the anatop MFD step time register offset.
+
+ anatop-delay-bit-shift:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the bit shift for the step time register.
+
+ anatop-delay-bit-width:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing the number of bits used in the step time register.
+
+ anatop-enable-bit:
+ $ref: '/schemas/types.yaml#/definitions/uint32'
+ description: u32 value representing regulator enable bit offset.
+
+ vin-supply:
+ $ref: '/schemas/types.yaml#/definitions/phandle'
+ description: input supply phandle.
+
+required:
+ - compatible
+ - regulator-name
+ - anatop-reg-offset
+ - anatop-vol-bit-shift
+ - anatop-vol-bit-width
+ - anatop-min-bit-val
+ - anatop-min-voltage
+ - anatop-max-voltage
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ regulator-vddpu {
+ compatible = "fsl,anatop-regulator";
+ regulator-name = "vddpu";
+ regulator-min-microvolt = <725000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-always-on;
+ anatop-reg-offset = <0x140>;
+ anatop-vol-bit-shift = <9>;
+ anatop-vol-bit-width = <5>;
+ anatop-delay-reg-offset = <0x170>;
+ anatop-delay-bit-shift = <24>;
+ anatop-delay-bit-width = <2>;
+ anatop-min-bit-val = <1>;
+ anatop-min-voltage = <725000>;
+ anatop-max-voltage = <1300000>;
+ };
diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77826.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77826.yaml
new file mode 100644
index 000000000000..19cbd5eb2897
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/maxim,max77826.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/maxim,max77826.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim Integrated MAX77826 PMIC
+
+maintainers:
+ - Iskren Chernev <iskren.chernev@gmail.com>
+
+properties:
+ $nodename:
+ pattern: "pmic@[0-9a-f]{1,2}"
+ compatible:
+ enum:
+ - maxim,max77826
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+ allOf:
+ - $ref: regulator.yaml#
+ description: |
+ list of regulators provided by this controller, must be named
+ after their hardware counterparts LDO[1-15], BUCK and BUCKBOOST
+
+ patternProperties:
+ "^LDO([1-9]|1[0-5])$":
+ type: object
+ allOf:
+ - $ref: regulator.yaml#
+
+ "^BUCK|BUCKBOOST$":
+ type: object
+ allOf:
+ - $ref: regulator.yaml#
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@69 {
+ compatible = "maxim,max77826";
+ reg = <0x69>;
+
+ regulators {
+ LDO2 {
+ regulator-min-microvolt = <650000>;
+ regulator-max-microvolt = <3587500>;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml b/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
index f0acce2029fd..3b019fa6db31 100644
--- a/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
+++ b/Documentation/devicetree/bindings/regulator/mps,mp5416.yaml
@@ -37,7 +37,6 @@ properties:
type: object
additionalProperties: false
- additionalProperties: false
required:
- compatible
diff --git a/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
index a682af0dc67e..ae6e7ab36c58 100644
--- a/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
+++ b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
@@ -75,7 +75,8 @@ properties:
description: |
disables over voltage protection of this buck
- additionalProperties: false
+ unevaluatedProperties: false
+
additionalProperties: false
required:
diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
index 71ce032b8cf8..1e52dafcb5c9 100644
--- a/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd71828-regulator.yaml
@@ -35,6 +35,8 @@ patternProperties:
description:
should be "ldo1", ..., "ldo7"
+ unevaluatedProperties: false
+
"^BUCK[1-7]$":
type: object
allOf:
@@ -103,5 +105,7 @@ patternProperties:
required:
- regulator-name
- additionalProperties: false
+
+ unevaluatedProperties: false
+
additionalProperties: false
diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml
index a323b1696eee..543d4b52397e 100644
--- a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.yaml
@@ -41,6 +41,8 @@ patternProperties:
description:
should be "ldo1", ..., "ldo7"
+ unevaluatedProperties: false
+
"^BUCK[1-8]$":
type: object
allOf:
@@ -99,5 +101,7 @@ patternProperties:
required:
- regulator-name
- additionalProperties: false
+
+ unevaluatedProperties: false
+
additionalProperties: false
diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml b/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml
index 526fd00bcb16..d797cc23406f 100644
--- a/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd71847-regulator.yaml
@@ -40,6 +40,8 @@ patternProperties:
description:
should be "ldo1", ..., "ldo6"
+ unevaluatedProperties: false
+
"^BUCK[1-6]$":
type: object
allOf:
@@ -93,5 +95,7 @@ patternProperties:
required:
- regulator-name
- additionalProperties: false
+
+ unevaluatedProperties: false
+
additionalProperties: false
diff --git a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
index 0eba562fe5c6..b7886fea368c 100644
--- a/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/ramoops.txt
@@ -30,7 +30,7 @@ Optional properties:
- ecc-size: enables ECC support and specifies ECC buffer size in bytes
(defaults to 0: no ECC)
-- record-size: maximum size in bytes of each dump done on oops/panic
+- record-size: maximum size in bytes of each kmsg dump.
(defaults to 0: disabled)
- console-size: size in bytes of log buffer reserved for kernel messages
@@ -45,7 +45,16 @@ Optional properties:
- unbuffered: if present, use unbuffered mappings to map the reserved region
(defaults to buffered mappings)
-- no-dump-oops: if present, only dump panics (defaults to panics and oops)
+- max-reason: if present, sets maximum type of kmsg dump reasons to store
+ (defaults to 2: log Oopses and Panics). This can be set to INT_MAX to
+ store all kmsg dumps. See include/linux/kmsg_dump.h KMSG_DUMP_* for other
+ kmsg dump reason values. Setting this to 0 (KMSG_DUMP_UNDEF), means the
+ reason filtering will be controlled by the printk.always_kmsg_dump boot
+ param: if unset, it will be KMSG_DUMP_OOPS, otherwise KMSG_DUMP_MAX.
+
+- no-dump-oops: deprecated, use max_reason instead. If present, and
+ max_reason is not specified, it is equivalent to max_reason = 1
+ (KMSG_DUMP_PANIC).
- flags: if present, pass ramoops behavioral flags (defaults to 0,
see include/linux/pstore_ram.h RAMOOPS_FLAG_* for flag values).
diff --git a/Documentation/devicetree/bindings/rng/arm-cctrng.yaml b/Documentation/devicetree/bindings/rng/arm-cctrng.yaml
new file mode 100644
index 000000000000..ca6aad19b6ba
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/arm-cctrng.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rng/arm-cctrng.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Arm TrustZone CryptoCell TRNG engine
+
+maintainers:
+ - Hadar Gat <hadar.gat@arm.com>
+
+description: |+
+ Arm TrustZone CryptoCell TRNG (True Random Number Generator) engine.
+
+properties:
+ compatible:
+ enum:
+ - arm,cryptocell-713-trng
+ - arm,cryptocell-703-trng
+
+ interrupts:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+ arm,rosc-ratio:
+ description:
+ Arm TrustZone CryptoCell TRNG engine has 4 ring oscillators.
+ Sampling ratio values for these 4 ring oscillators. (from calibration)
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32-array
+ - items:
+ maxItems: 4
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - interrupts
+ - reg
+ - arm,rosc-ratio
+
+additionalProperties: false
+
+examples:
+ - |
+ arm_cctrng: rng@60000000 {
+ compatible = "arm,cryptocell-713-trng";
+ interrupts = <0 29 4>;
+ reg = <0x60000000 0x10000>;
+ arm,rosc-ratio = <5000 1000 500 0>;
+ };
diff --git a/Documentation/devicetree/bindings/rtc/dw-apb.txt b/Documentation/devicetree/bindings/rtc/dw-apb.txt
deleted file mode 100644
index c703d51abb6c..000000000000
--- a/Documentation/devicetree/bindings/rtc/dw-apb.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-* Designware APB timer
-
-Required properties:
-- compatible: One of:
- "snps,dw-apb-timer"
- "snps,dw-apb-timer-sp" <DEPRECATED>
- "snps,dw-apb-timer-osc" <DEPRECATED>
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: IRQ line for the timer.
-- either clocks+clock-names or clock-frequency properties
-
-Optional properties:
-- clocks : list of clock specifiers, corresponding to entries in
- the clock-names property;
-- clock-names : should contain "timer" and "pclk" entries, matching entries
- in the clocks property.
-- clock-frequency: The frequency in HZ of the timer.
-- clock-freq: For backwards compatibility with picoxcell
-
-If using the clock specifiers, the pclk clock is optional, as not all
-systems may use one.
-
-
-Example:
- timer@ffe00000 {
- compatible = "snps,dw-apb-timer";
- interrupts = <0 170 4>;
- reg = <0xffe00000 0x1000>;
- clocks = <&timer_clk>, <&timer_pclk>;
- clock-names = "timer", "pclk";
- };
diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
index 7cd0e278ed85..a3ba2186d6a1 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.yaml
@@ -56,6 +56,9 @@ properties:
- const: tx
- const: rx
+ power-domains:
+ maxItems: 1
+
rockchip,capture-channels:
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32
diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt
deleted file mode 100644
index ec20c1271e92..000000000000
--- a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-* Rockchip SPDIF transceiver
-
-The S/PDIF audio block is a stereo transceiver that allows the
-processor to receive and transmit digital audio via an coaxial cable or
-a fibre cable.
-
-Required properties:
-
-- compatible: should be one of the following:
- - "rockchip,rk3066-spdif"
- - "rockchip,rk3188-spdif"
- - "rockchip,rk3228-spdif"
- - "rockchip,rk3288-spdif"
- - "rockchip,rk3328-spdif"
- - "rockchip,rk3366-spdif"
- - "rockchip,rk3368-spdif"
- - "rockchip,rk3399-spdif"
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: should contain the SPDIF interrupt.
-- dmas: DMA specifiers for tx dma. See the DMA client binding,
- Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: should be "tx"
-- clocks: a list of phandle + clock-specifier pairs, one for each entry
- in clock-names.
-- clock-names: should contain following:
- - "hclk": clock for SPDIF controller
- - "mclk" : clock for SPDIF bus
-
-Required properties on RK3288:
- - rockchip,grf: the phandle of the syscon node for the general register
- file (GRF)
-
-Example for the rk3188 SPDIF controller:
-
-spdif: spdif@1011e000 {
- compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
- reg = <0x1011e000 0x2000>;
- interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
- dmas = <&dmac1_s 8>;
- dma-names = "tx";
- clock-names = "hclk", "mclk";
- clocks = <&cru HCLK_SPDIF>, <&cru SCLK_SPDIF>;
- #sound-dai-cells = <0>;
-};
diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
new file mode 100644
index 000000000000..c467152656f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SPDIF transceiver
+
+description:
+ The S/PDIF audio block is a stereo transceiver that allows the
+ processor to receive and transmit digital audio via a coaxial or
+ fibre cable.
+
+maintainers:
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,rk3066-spdif
+ - const: rockchip,rk3228-spdif
+ - const: rockchip,rk3328-spdif
+ - const: rockchip,rk3366-spdif
+ - const: rockchip,rk3368-spdif
+ - const: rockchip,rk3399-spdif
+ - items:
+ - enum:
+ - rockchip,rk3188-spdif
+ - rockchip,rk3288-spdif
+ - const: rockchip,rk3066-spdif
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: clock for SPDIF bus
+ - description: clock for SPDIF controller
+
+ clock-names:
+ items:
+ - const: mclk
+ - const: hclk
+
+ dmas:
+ maxItems: 1
+
+ dma-names:
+ const: tx
+
+ power-domains:
+ maxItems: 1
+
+ rockchip,grf:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ The phandle of the syscon node for the GRF register.
+ Required property on RK3288.
+
+ "#sound-dai-cells":
+ const: 0
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - dmas
+ - dma-names
+ - "#sound-dai-cells"
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: rockchip,rk3288-spdif
+
+then:
+ required:
+ - rockchip,grf
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ spdif: spdif@1011e000 {
+ compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif";
+ reg = <0x1011e000 0x2000>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>;
+ clock-names = "mclk", "hclk";
+ dmas = <&dmac1_s 8>;
+ dma-names = "tx";
+ #sound-dai-cells = <0>;
+ };
diff --git a/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt b/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt
index ad7ac80a3841..f5e518d099f2 100644
--- a/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt
+++ b/Documentation/devicetree/bindings/spi/brcm,spi-bcm-qspi.txt
@@ -26,6 +26,16 @@ Required properties:
"brcm,spi-bcm-qspi", "brcm,spi-brcmstb-qspi" : MSPI+BSPI on BRCMSTB SoCs
"brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
BRCMSTB SoCs
+ "brcm,spi-bcm7425-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
+ BRCMSTB SoCs
+ "brcm,spi-bcm7429-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
+ BRCMSTB SoCs
+ "brcm,spi-bcm7435-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
+ BRCMSTB SoCs
+ "brcm,spi-bcm7216-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
+ BRCMSTB SoCs
+ "brcm,spi-bcm7278-qspi", "brcm,spi-bcm-qspi", "brcm,spi-brcmstb-mspi" : Second Instance of MSPI
+ BRCMSTB SoCs
"brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi" : MSPI+BSPI on Cygnus, NSP
"brcm,spi-bcm-qspi", "brcm,spi-ns2-qspi" : NS2 SoCs
diff --git a/Documentation/devicetree/bindings/spi/mikrotik,rb4xx-spi.yaml b/Documentation/devicetree/bindings/spi/mikrotik,rb4xx-spi.yaml
new file mode 100644
index 000000000000..4ddb42a4ae05
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/mikrotik,rb4xx-spi.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/mikrotik,rb4xx-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MikroTik RB4xx series SPI master
+
+maintainers:
+ - Gabor Juhos <juhosg@openwrt.org>
+ - Bert Vermeulen <bert@biot.com>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+properties:
+ compatible:
+ const: mikrotik,rb4xx-spi
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ spi: spi@1f000000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "mikrotik,rb4xx-spi";
+ reg = <0x1f000000 0x10>;
+ };
+
+... \ No newline at end of file
diff --git a/Documentation/devicetree/bindings/spi/renesas,rspi.yaml b/Documentation/devicetree/bindings/spi/renesas,rspi.yaml
new file mode 100644
index 000000000000..c54ac059043f
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/renesas,rspi.yaml
@@ -0,0 +1,144 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/renesas,rspi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas (Quad) Serial Peripheral Interface (RSPI/QSPI)
+
+maintainers:
+ - Geert Uytterhoeven <geert+renesas@glider.be>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - renesas,rspi-sh7757 # SH7757
+ - const: renesas,rspi # Legacy SH
+
+ - items:
+ - enum:
+ - renesas,rspi-r7s72100 # RZ/A1H
+ - renesas,rspi-r7s9210 # RZ/A2
+ - const: renesas,rspi-rz # RZ/A
+
+ - items:
+ - enum:
+ - renesas,qspi-r8a7743 # RZ/G1M
+ - renesas,qspi-r8a7744 # RZ/G1N
+ - renesas,qspi-r8a7745 # RZ/G1E
+ - renesas,qspi-r8a77470 # RZ/G1C
+ - renesas,qspi-r8a7790 # R-Car H2
+ - renesas,qspi-r8a7791 # R-Car M2-W
+ - renesas,qspi-r8a7792 # R-Car V2H
+ - renesas,qspi-r8a7793 # R-Car M2-N
+ - renesas,qspi-r8a7794 # R-Car E2
+ - const: renesas,qspi # R-Car Gen2 and RZ/G1
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ oneOf:
+ - items:
+ - description: A combined interrupt
+ - items:
+ - description: Error interrupt (SPEI)
+ - description: Receive Interrupt (SPRI)
+ - description: Transmit Interrupt (SPTI)
+
+ interrupt-names:
+ oneOf:
+ - items:
+ - const: mux
+ - items:
+ - const: error
+ - const: rx
+ - const: tx
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ description:
+ Must contain a list of pairs of references to DMA specifiers, one for
+ transmission, and one for reception.
+
+ dma-names:
+ minItems: 2
+ maxItems: 4
+ items:
+ enum:
+ - tx
+ - rx
+
+ num-cs:
+ description: |
+ Total number of native chip selects.
+ Hardware limitations related to chip selects:
+ - When using GPIO chip selects, at least one native chip select must
+ be left unused, as it will be driven anyway.
+ minimum: 1
+ maximum: 2
+ default: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - power-domains
+ - '#address-cells'
+ - '#size-cells'
+
+allOf:
+ - $ref: spi-controller.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,rspi-rz
+ then:
+ properties:
+ interrupts:
+ minItems: 3
+ required:
+ - interrupt-names
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - renesas,qspi
+ then:
+ required:
+ - resets
+
+examples:
+ - |
+ #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/power/r8a7791-sysc.h>
+
+ qspi: spi@e6b10000 {
+ compatible = "renesas,qspi-r8a7791", "renesas,qspi";
+ reg = <0xe6b10000 0x2c>;
+ interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 917>;
+ dmas = <&dmac0 0x17>, <&dmac0 0x18>, <&dmac1 0x17>, <&dmac1 0x18>;
+ dma-names = "tx", "rx", "tx", "rx";
+ power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
+ resets = <&cpg 917>;
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
deleted file mode 100644
index 3ed08ee9feba..000000000000
--- a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.txt
+++ /dev/null
@@ -1,41 +0,0 @@
-Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface.
-
-Required properties:
-- compatible : "snps,dw-apb-ssi" or "mscc,<soc>-spi", where soc is "ocelot" or
- "jaguar2", or "amazon,alpine-dw-apb-ssi"
-- reg : The register base for the controller. For "mscc,<soc>-spi", a second
- register set is required (named ICPU_CFG:SPI_MST)
-- interrupts : One interrupt, used by the controller.
-- #address-cells : <1>, as required by generic SPI binding.
-- #size-cells : <0>, also as required by generic SPI binding.
-- clocks : phandles for the clocks, see the description of clock-names below.
- The phandle for the "ssi_clk" is required. The phandle for the "pclk" clock
- is optional. If a single clock is specified but no clock-name, it is the
- "ssi_clk" clock. If both clocks are listed, the "ssi_clk" must be first.
-
-Optional properties:
-- clock-names : Contains the names of the clocks:
- "ssi_clk", for the core clock used to generate the external SPI clock.
- "pclk", the interface clock, required for register access. If a clock domain
- used to enable this clock then it should be named "pclk_clkdomain".
-- cs-gpios : Specifies the gpio pins to be used for chipselects.
-- num-cs : The number of chipselects. If omitted, this will default to 4.
-- reg-io-width : The I/O register width (in bytes) implemented by this
- device. Supported values are 2 or 4 (the default).
-
-Child nodes as per the generic SPI binding.
-
-Example:
-
- spi@fff00000 {
- compatible = "snps,dw-apb-ssi";
- reg = <0xfff00000 0x1000>;
- interrupts = <0 154 4>;
- #address-cells = <1>;
- #size-cells = <0>;
- clocks = <&spi_m_clk>;
- num-cs = <2>;
- cs-gpios = <&gpio0 13 0>,
- <&gpio0 14 0>;
- };
-
diff --git a/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
new file mode 100644
index 000000000000..c62cbe79f00d
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.yaml
@@ -0,0 +1,133 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/snps,dw-apb-ssi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare AMBA 2.0 Synchronous Serial Interface
+
+maintainers:
+ - Mark Brown <broonie@kernel.org>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - mscc,ocelot-spi
+ - mscc,jaguar2-spi
+ then:
+ properties:
+ reg:
+ minItems: 2
+
+properties:
+ compatible:
+ oneOf:
+ - description: Generic DW SPI Controller
+ enum:
+ - snps,dw-apb-ssi
+ - snps,dwc-ssi-1.01a
+ - description: Microsemi Ocelot/Jaguar2 SoC SPI Controller
+ items:
+ - enum:
+ - mscc,ocelot-spi
+ - mscc,jaguar2-spi
+ - const: snps,dw-apb-ssi
+ - description: Amazon Alpine SPI Controller
+ const: amazon,alpine-dw-apb-ssi
+ - description: Renesas RZ/N1 SPI Controller
+ items:
+ - const: renesas,rzn1-spi
+ - const: snps,dw-apb-ssi
+ - description: Intel Keem Bay SPI Controller
+ const: intel,keembay-ssi
+
+ reg:
+ minItems: 1
+ items:
+ - description: DW APB SSI controller memory mapped registers
+ - description: SPI MST region map
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ items:
+ - description: SPI Controller reference clock source
+ - description: APB interface clock source
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: ssi_clk
+ - const: pclk
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: spi
+
+ reg-io-width:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: I/O register width (in bytes) implemented by this device
+ default: 4
+ enum: [ 2, 4 ]
+
+ num-cs:
+ default: 4
+ minimum: 1
+ maximum: 4
+
+ dmas:
+ items:
+ - description: TX DMA Channel
+ - description: RX DMA Channel
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+patternProperties:
+ "^.*@[0-9a-f]+$":
+ type: object
+ properties:
+ reg:
+ minimum: 0
+ maximum: 3
+
+ spi-rx-bus-width:
+ const: 1
+
+ spi-tx-bus-width:
+ const: 1
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - interrupts
+ - clocks
+
+examples:
+ - |
+ spi@fff00000 {
+ compatible = "snps,dw-apb-ssi";
+ reg = <0xfff00000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <0 154 4>;
+ clocks = <&spi_m_clk>;
+ num-cs = <2>;
+ cs-gpios = <&gpio0 13 0>,
+ <&gpio0 14 0>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml b/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml
new file mode 100644
index 000000000000..c25409298bdf
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/socionext,uniphier-spi.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/socionext,uniphier-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier SPI controller
+
+description: |
+ UniPhier SoCs have SCSSI which supports SPI single channel.
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
+ - Keiji Hayashibara <hayashibara.keiji@socionext.com>
+
+allOf:
+ - $ref: spi-controller.yaml#
+
+properties:
+ "#address-cells": true
+ "#size-cells": true
+
+ compatible:
+ const: socionext,uniphier-scssi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - resets
+ - "#address-cells"
+ - "#size-cells"
+
+examples:
+ - |
+ spi0: spi@54006000 {
+ compatible = "socionext,uniphier-scssi";
+ reg = <0x54006000 0x100>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <0 39 4>;
+ clocks = <&peri_clk 11>;
+ resets = <&peri_rst 11>;
+ };
diff --git a/Documentation/devicetree/bindings/spi/spi-dw.txt b/Documentation/devicetree/bindings/spi/spi-dw.txt
deleted file mode 100644
index 7b63ed601990..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-dw.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-Synopsys DesignWare SPI master
-
-Required properties:
-- compatible: should be "snps,designware-spi"
-- #address-cells: see spi-bus.txt
-- #size-cells: see spi-bus.txt
-- reg: address and length of the spi master registers
-- interrupts: should contain one interrupt
-- clocks: spi clock phandle
-- num-cs: see spi-bus.txt
-
-Optional properties:
-- cs-gpios: see spi-bus.txt
-
-Example:
-
-spi: spi@4020a000 {
- compatible = "snps,designware-spi";
- interrupts = <11 1>;
- reg = <0x4020a000 0x1000>;
- clocks = <&pclk>;
- num-cs = <2>;
- cs-gpios = <&banka 0 0>;
-};
diff --git a/Documentation/devicetree/bindings/spi/spi-rspi.txt b/Documentation/devicetree/bindings/spi/spi-rspi.txt
deleted file mode 100644
index 421722b93992..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-rspi.txt
+++ /dev/null
@@ -1,73 +0,0 @@
-Device tree configuration for Renesas RSPI/QSPI driver
-
-Required properties:
-- compatible : For Renesas Serial Peripheral Interface on legacy SH:
- "renesas,rspi-<soctype>", "renesas,rspi" as fallback.
- For Renesas Serial Peripheral Interface on RZ/A:
- "renesas,rspi-<soctype>", "renesas,rspi-rz" as fallback.
- For Quad Serial Peripheral Interface on R-Car Gen2 and
- RZ/G1 devices:
- "renesas,qspi-<soctype>", "renesas,qspi" as fallback.
- Examples with soctypes are:
- - "renesas,rspi-sh7757" (SH)
- - "renesas,rspi-r7s72100" (RZ/A1H)
- - "renesas,rspi-r7s9210" (RZ/A2)
- - "renesas,qspi-r8a7743" (RZ/G1M)
- - "renesas,qspi-r8a7744" (RZ/G1N)
- - "renesas,qspi-r8a7745" (RZ/G1E)
- - "renesas,qspi-r8a77470" (RZ/G1C)
- - "renesas,qspi-r8a7790" (R-Car H2)
- - "renesas,qspi-r8a7791" (R-Car M2-W)
- - "renesas,qspi-r8a7792" (R-Car V2H)
- - "renesas,qspi-r8a7793" (R-Car M2-N)
- - "renesas,qspi-r8a7794" (R-Car E2)
-- reg : Address start and address range size of the device
-- interrupts : A list of interrupt-specifiers, one for each entry in
- interrupt-names.
- If interrupt-names is not present, an interrupt specifier
- for a single muxed interrupt.
-- interrupt-names : A list of interrupt names. Should contain (if present):
- - "error" for SPEI,
- - "rx" for SPRI,
- - "tx" to SPTI,
- - "mux" for a single muxed interrupt.
-- num-cs : Number of chip selects. Some RSPI cores have more than 1.
-- #address-cells : Must be <1>
-- #size-cells : Must be <0>
-
-Optional properties:
-- clocks : Must contain a reference to the functional clock.
-- dmas : Must contain a list of two references to DMA specifiers,
- one for transmission, and one for reception.
-- dma-names : Must contain a list of two DMA names, "tx" and "rx".
-
-Pinctrl properties might be needed, too. See
-Documentation/devicetree/bindings/pinctrl/renesas,*.
-
-Examples:
-
- spi0: spi@e800c800 {
- compatible = "renesas,rspi-r7s72100", "renesas,rspi-rz";
- reg = <0xe800c800 0x24>;
- interrupts = <0 238 IRQ_TYPE_LEVEL_HIGH>,
- <0 239 IRQ_TYPE_LEVEL_HIGH>,
- <0 240 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "error", "rx", "tx";
- interrupt-parent = <&gic>;
- num-cs = <1>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
-
- spi: spi@e6b10000 {
- compatible = "renesas,qspi-r8a7791", "renesas,qspi";
- reg = <0 0xe6b10000 0 0x2c>;
- interrupt-parent = <&gic>;
- interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp9_clks R8A7791_CLK_QSPI_MOD>;
- num-cs = <1>;
- #address-cells = <1>;
- #size-cells = <0>;
- dmas = <&dmac0 0x17>, <&dmac0 0x18>;
- dma-names = "tx", "rx";
- };
diff --git a/Documentation/devicetree/bindings/spi/spi-uniphier.txt b/Documentation/devicetree/bindings/spi/spi-uniphier.txt
deleted file mode 100644
index e1201573a29a..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-uniphier.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-Socionext UniPhier SPI controller driver
-
-UniPhier SoCs have SCSSI which supports SPI single channel.
-
-Required properties:
- - compatible: should be "socionext,uniphier-scssi"
- - reg: address and length of the spi master registers
- - #address-cells: must be <1>, see spi-bus.txt
- - #size-cells: must be <0>, see spi-bus.txt
- - interrupts: a single interrupt specifier
- - pinctrl-names: should be "default"
- - pinctrl-0: pin control state for the default mode
- - clocks: a phandle to the clock for the device
- - resets: a phandle to the reset control for the device
-
-Example:
-
-spi0: spi@54006000 {
- compatible = "socionext,uniphier-scssi";
- reg = <0x54006000 0x100>;
- #address-cells = <1>;
- #size-cells = <0>;
- interrupts = <0 39 4>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_spi0>;
- clocks = <&peri_clk 11>;
- resets = <&peri_rst 11>;
-};
diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt
index e65fde4a7388..47b184bce414 100644
--- a/Documentation/devicetree/bindings/spi/ti_qspi.txt
+++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt
@@ -29,7 +29,7 @@ modification to bootloader.
Example:
For am4372:
-qspi: qspi@4b300000 {
+qspi: qspi@47900000 {
compatible = "ti,am4372-qspi";
reg = <0x47900000 0x100>, <0x30000000 0x4000000>;
reg-names = "qspi_base", "qspi_mmap";
diff --git a/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml
new file mode 100644
index 000000000000..233d74d5402c
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/renesas,em-sti.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/renesas,em-sti.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas EMMA Mobile System Timer
+
+maintainers:
+ - Magnus Damm <magnus.damm@gmail.com>
+
+properties:
+ compatible:
+ const: renesas,em-sti
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: sclk
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ timer@e0180000 {
+ compatible = "renesas,em-sti";
+ reg = <0xe0180000 0x54>;
+ interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sti_sclk>;
+ clock-names = "sclk";
+ };
diff --git a/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml
new file mode 100644
index 000000000000..5d300efdf0ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/snps,dw-apb-timer.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/snps,dw-apb-timer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Synopsys DesignWare APB Timer
+
+maintainers:
+ - Daniel Lezcano <daniel.lezcano@linaro.org>
+
+properties:
+ compatible:
+ oneOf:
+ - const: snps,dw-apb-timer
+ - enum:
+ - snps,dw-apb-timer-sp
+ - snps,dw-apb-timer-osc
+ deprecated: true
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 1
+ items:
+ - description: Timer ticks reference clock source
+ - description: APB interface clock source
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: timer
+ - const: pclk
+
+ clock-frequency: true
+
+ clock-freq:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description: |
+ Has the same meaning as the 'clock-frequency' property - timer clock
+ frequency in HZ, but is defined only for the backwards compatibility
+ with the picoxcell platform.
+
+unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+oneOf:
+ - required:
+ - clocks
+ - clock-names
+ - required:
+ - clock-frequency
+ - required:
+ - clock-freq
+
+examples:
+ - |
+ timer@ffe00000 {
+ compatible = "snps,dw-apb-timer";
+ interrupts = <0 170 4>;
+ reg = <0xffe00000 0x1000>;
+ clocks = <&timer_clk>, <&timer_pclk>;
+ clock-names = "timer", "pclk";
+ };
+ - |
+ timer@ffe00000 {
+ compatible = "snps,dw-apb-timer";
+ interrupts = <0 170 4>;
+ reg = <0xffe00000 0x1000>;
+ clocks = <&timer_clk>;
+ clock-names = "timer";
+ };
+ - |
+ timer@ffe00000 {
+ compatible = "snps,dw-apb-timer";
+ interrupts = <0 170 4>;
+ reg = <0xffe00000 0x1000>;
+ clock-frequency = <25000000>;
+ };
+...
diff --git a/Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml b/Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml
index 92d8631b9aa6..031452aa25bc 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml
+++ b/Documentation/devicetree/bindings/usb/renesas,usb3-peri.yaml
@@ -18,6 +18,7 @@ properties:
- renesas,r8a774c0-usb3-peri # RZ/G2E
- renesas,r8a7795-usb3-peri # R-Car H3
- renesas,r8a7796-usb3-peri # R-Car M3-W
+ - renesas,r8a77961-usb3-peri # R-Car M3-W+
- renesas,r8a77965-usb3-peri # R-Car M3-N
- renesas,r8a77990-usb3-peri # R-Car E3
- const: renesas,rcar-gen3-usb3-peri
diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
index 469affa872d3..a7ae95598ccb 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
+++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
@@ -40,6 +40,7 @@ properties:
- renesas,usbhs-r8a774c0 # RZ/G2E
- renesas,usbhs-r8a7795 # R-Car H3
- renesas,usbhs-r8a7796 # R-Car M3-W
+ - renesas,usbhs-r8a77961 # R-Car M3-W+
- renesas,usbhs-r8a77965 # R-Car M3-N
- renesas,usbhs-r8a77990 # R-Car E3
- renesas,usbhs-r8a77995 # R-Car D3
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 3f378951d624..dc025f126d71 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -16,7 +16,8 @@ Required properties:
- "renesas,xhci-r8a7791" for r8a7791 SoC
- "renesas,xhci-r8a7793" for r8a7793 SoC
- "renesas,xhci-r8a7795" for r8a7795 SoC
- - "renesas,xhci-r8a7796" for r8a7796 SoC
+ - "renesas,xhci-r8a7796" for r8a77960 SoC
+ - "renesas,xhci-r8a77961" for r8a77961 SoC
- "renesas,xhci-r8a77965" for r8a77965 SoC
- "renesas,xhci-r8a77990" for r8a77990 SoC
- "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index d3891386d671..997934c58f9a 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -187,6 +187,8 @@ patternProperties:
description: ChipOne
"^chipspark,.*":
description: ChipSPARK
+ "^chrontel,.*":
+ description: Chrontel, Inc.
"^chrp,.*":
description: Common Hardware Reference Platform
"^chunghwa,.*":
@@ -463,6 +465,8 @@ patternProperties:
description: Infineon Technologies
"^inforce,.*":
description: Inforce Computing
+ "^ivo,.*":
+ description: InfoVision Optoelectronics Kunshan Co. Ltd.
"^ingenic,.*":
description: Ingenic Semiconductor
"^innolux,.*":
@@ -488,7 +492,7 @@ patternProperties:
"^issi,.*":
description: Integrated Silicon Solutions Inc.
"^ite,.*":
- description: ITE Tech, Inc.
+ description: ITE Tech. Inc.
"^itead,.*":
description: ITEAD Intelligent Systems Co.Ltd
"^iwave,.*":
@@ -633,6 +637,8 @@ patternProperties:
description: Microsoft Corporation
"^mikroe,.*":
description: MikroElektronika d.o.o.
+ "^mikrotik,.*":
+ description: MikroTik
"^miniand,.*":
description: Miniand Tech
"^minix,.*":
@@ -1039,6 +1045,8 @@ patternProperties:
description: Tronsmart
"^truly,.*":
description: Truly Semiconductors Limited
+ "^visionox,.*":
+ description: Visionox
"^tsd,.*":
description: Theobroma Systems Design und Consulting GmbH
"^tyan,.*":
diff --git a/Documentation/doc-guide/maintainer-profile.rst b/Documentation/doc-guide/maintainer-profile.rst
index 5afc0ddba40a..755d39f0d407 100644
--- a/Documentation/doc-guide/maintainer-profile.rst
+++ b/Documentation/doc-guide/maintainer-profile.rst
@@ -6,7 +6,7 @@ Documentation subsystem maintainer entry profile
The documentation "subsystem" is the central coordinating point for the
kernel's documentation and associated infrastructure. It covers the
hierarchy under Documentation/ (with the exception of
-Documentation/device-tree), various utilities under scripts/ and, at least
+Documentation/devicetree), various utilities under scripts/ and, at least
some of the time, LICENSES/.
It's worth noting, though, that the boundaries of this subsystem are rather
diff --git a/Documentation/driver-api/dma-buf.rst b/Documentation/driver-api/dma-buf.rst
index c78db28519f7..63dec76d1d8d 100644
--- a/Documentation/driver-api/dma-buf.rst
+++ b/Documentation/driver-api/dma-buf.rst
@@ -11,7 +11,7 @@ course not limited to GPU use cases.
The three main components of this are: (1) dma-buf, representing a
sg_table and exposed to userspace as a file descriptor to allow passing
between devices, (2) fence, which provides a mechanism to signal when
-one device as finished access, and (3) reservation, which manages the
+one device has finished access, and (3) reservation, which manages the
shared or exclusive fence(s) associated with the buffer.
Shared DMA Buffers
@@ -31,7 +31,7 @@ The exporter
- implements and manages operations in :c:type:`struct dma_buf_ops
<dma_buf_ops>` for the buffer,
- allows other users to share the buffer by using dma_buf sharing APIs,
- - manages the details of buffer allocation, wrapped int a :c:type:`struct
+ - manages the details of buffer allocation, wrapped in a :c:type:`struct
dma_buf <dma_buf>`,
- decides about the actual backing storage where this allocation happens,
- and takes care of any migration of scatterlist - for all (shared) users of
diff --git a/Documentation/driver-api/driver-model/device.rst b/Documentation/driver-api/driver-model/device.rst
index 2b868d49d349..b9b022371e85 100644
--- a/Documentation/driver-api/driver-model/device.rst
+++ b/Documentation/driver-api/driver-model/device.rst
@@ -50,10 +50,10 @@ Attributes
Attributes of devices can be exported by a device driver through sysfs.
-Please see Documentation/filesystems/sysfs.txt for more information
+Please see Documentation/filesystems/sysfs.rst for more information
on how sysfs works.
-As explained in Documentation/kobject.txt, device attributes must be
+As explained in Documentation/core-api/kobject.rst, device attributes must be
created before the KOBJ_ADD uevent is generated. The only way to realize
that is by defining an attribute group.
diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index 46c13780994c..fc242ed4bde5 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -372,6 +372,11 @@ MUX
devm_mux_chip_register()
devm_mux_control_get()
+NET
+ devm_alloc_etherdev()
+ devm_alloc_etherdev_mqs()
+ devm_register_netdev()
+
PER-CPU MEM
devm_alloc_percpu()
devm_free_percpu()
diff --git a/Documentation/driver-api/driver-model/overview.rst b/Documentation/driver-api/driver-model/overview.rst
index d4d1e9b40e0c..e98d0ab4a9b6 100644
--- a/Documentation/driver-api/driver-model/overview.rst
+++ b/Documentation/driver-api/driver-model/overview.rst
@@ -121,4 +121,4 @@ device-specific data or tunable interfaces.
More information about the sysfs directory layout can be found in
the other documents in this directory and in the file
-Documentation/filesystems/sysfs.txt.
+Documentation/filesystems/sysfs.rst.
diff --git a/Documentation/driver-api/index.rst b/Documentation/driver-api/index.rst
index dcc47c029f8e..6567187e7687 100644
--- a/Documentation/driver-api/index.rst
+++ b/Documentation/driver-api/index.rst
@@ -39,6 +39,7 @@ available subsections can be seen below.
spi
i2c
ipmb
+ ipmi
i3c/index
interconnect
devfreq
diff --git a/Documentation/IPMI.txt b/Documentation/driver-api/ipmi.rst
index 5ef1047e2e66..5ef1047e2e66 100644
--- a/Documentation/IPMI.txt
+++ b/Documentation/driver-api/ipmi.rst
diff --git a/Documentation/driver-api/nvdimm/nvdimm.rst b/Documentation/driver-api/nvdimm/nvdimm.rst
index 08f855cbb4e6..79c0fd39f2af 100644
--- a/Documentation/driver-api/nvdimm/nvdimm.rst
+++ b/Documentation/driver-api/nvdimm/nvdimm.rst
@@ -278,8 +278,8 @@ by a region device with a dynamically assigned id (REGION0 - REGION5).
be contiguous in DPA-space.
This bus is provided by the kernel under the device
- /sys/devices/platform/nfit_test.0 when CONFIG_NFIT_TEST is enabled and
- the nfit_test.ko module is loaded. This not only test LIBNVDIMM but the
+ /sys/devices/platform/nfit_test.0 when the nfit_test.ko module from
+ tools/testing/nvdimm is loaded. This not only test LIBNVDIMM but the
acpi_nfit.ko driver as well.
diff --git a/Documentation/driver-api/pm/cpuidle.rst b/Documentation/driver-api/pm/cpuidle.rst
index 006cf6db40c6..3588bf078566 100644
--- a/Documentation/driver-api/pm/cpuidle.rst
+++ b/Documentation/driver-api/pm/cpuidle.rst
@@ -68,9 +68,8 @@ only one in the list (that is, the list was empty before) or the value of its
governor currently in use, or the name of the new governor was passed to the
kernel as the value of the ``cpuidle.governor=`` command line parameter, the new
governor will be used from that point on (there can be only one ``CPUIdle``
-governor in use at a time). Also, if ``cpuidle_sysfs_switch`` is passed to the
-kernel in the command line, user space can choose the ``CPUIdle`` governor to
-use at run time via ``sysfs``.
+governor in use at a time). Also, user space can choose the ``CPUIdle``
+governor to use at run time via ``sysfs``.
Once registered, ``CPUIdle`` governors cannot be unregistered, so it is not
practical to put them into loadable kernel modules.
diff --git a/Documentation/driver-api/pm/devices.rst b/Documentation/driver-api/pm/devices.rst
index f66c7b9126ea..946ad0b94e31 100644
--- a/Documentation/driver-api/pm/devices.rst
+++ b/Documentation/driver-api/pm/devices.rst
@@ -349,7 +349,7 @@ the phases are: ``prepare``, ``suspend``, ``suspend_late``, ``suspend_noirq``.
PM core will skip the ``suspend``, ``suspend_late`` and
``suspend_noirq`` phases as well as all of the corresponding phases of
the subsequent device resume for all of these devices. In that case,
- the ``->complete`` callback will be invoked directly after the
+ the ``->complete`` callback will be the next one invoked after the
``->prepare`` callback and is entirely responsible for putting the
device into a consistent state as appropriate.
@@ -361,9 +361,9 @@ the phases are: ``prepare``, ``suspend``, ``suspend_late``, ``suspend_noirq``.
runtime PM disabled.
This feature also can be controlled by device drivers by using the
- ``DPM_FLAG_NEVER_SKIP`` and ``DPM_FLAG_SMART_PREPARE`` driver power
- management flags. [Typically, they are set at the time the driver is
- probed against the device in question by passing them to the
+ ``DPM_FLAG_NO_DIRECT_COMPLETE`` and ``DPM_FLAG_SMART_PREPARE`` driver
+ power management flags. [Typically, they are set at the time the driver
+ is probed against the device in question by passing them to the
:c:func:`dev_pm_set_driver_flags` helper function.] If the first of
these flags is set, the PM core will not apply the direct-complete
procedure described above to the given device and, consequenty, to any
@@ -383,11 +383,15 @@ the phases are: ``prepare``, ``suspend``, ``suspend_late``, ``suspend_noirq``.
``->suspend`` methods provided by subsystems (bus types and PM domains
in particular) must follow an additional rule regarding what can be done
to the devices before their drivers' ``->suspend`` methods are called.
- Namely, they can only resume the devices from runtime suspend by
- calling :c:func:`pm_runtime_resume` for them, if that is necessary, and
+ Namely, they may resume the devices from runtime suspend by
+ calling :c:func:`pm_runtime_resume` for them, if that is necessary, but
they must not update the state of the devices in any other way at that
time (in case the drivers need to resume the devices from runtime
- suspend in their ``->suspend`` methods).
+ suspend in their ``->suspend`` methods). In fact, the PM core prevents
+ subsystems or drivers from putting devices into runtime suspend at
+ these times by calling :c:func:`pm_runtime_get_noresume` before issuing
+ the ``->prepare`` callback (and calling :c:func:`pm_runtime_put` after
+ issuing the ``->complete`` callback).
3. For a number of devices it is convenient to split suspend into the
"quiesce device" and "save device state" phases, in which cases
@@ -459,22 +463,22 @@ When resuming from freeze, standby or memory sleep, the phases are:
Note, however, that new children may be registered below the device as
soon as the ``->resume`` callbacks occur; it's not necessary to wait
- until the ``complete`` phase with that.
+ until the ``complete`` phase runs.
Moreover, if the preceding ``->prepare`` callback returned a positive
number, the device may have been left in runtime suspend throughout the
- whole system suspend and resume (the ``suspend``, ``suspend_late``,
- ``suspend_noirq`` phases of system suspend and the ``resume_noirq``,
- ``resume_early``, ``resume`` phases of system resume may have been
- skipped for it). In that case, the ``->complete`` callback is entirely
+ whole system suspend and resume (its ``->suspend``, ``->suspend_late``,
+ ``->suspend_noirq``, ``->resume_noirq``,
+ ``->resume_early``, and ``->resume`` callbacks may have been
+ skipped). In that case, the ``->complete`` callback is entirely
responsible for putting the device into a consistent state after system
suspend if necessary. [For example, it may need to queue up a runtime
resume request for the device for this purpose.] To check if that is
the case, the ``->complete`` callback can consult the device's
- ``power.direct_complete`` flag. Namely, if that flag is set when the
- ``->complete`` callback is being run, it has been called directly after
- the preceding ``->prepare`` and special actions may be required
- to make the device work correctly afterward.
+ ``power.direct_complete`` flag. If that flag is set when the
+ ``->complete`` callback is being run then the direct-complete mechanism
+ was used, and special actions may be required to make the device work
+ correctly afterward.
At the end of these phases, drivers should be as functional as they were before
suspending: I/O can be performed using DMA and IRQs, and the relevant clocks are
@@ -575,10 +579,12 @@ and the phases are similar.
The ``->poweroff``, ``->poweroff_late`` and ``->poweroff_noirq`` callbacks
should do essentially the same things as the ``->suspend``, ``->suspend_late``
-and ``->suspend_noirq`` callbacks, respectively. The only notable difference is
+and ``->suspend_noirq`` callbacks, respectively. A notable difference is
that they need not store the device register values, because the registers
should already have been stored during the ``freeze``, ``freeze_late`` or
-``freeze_noirq`` phases.
+``freeze_noirq`` phases. Also, on many machines the firmware will power-down
+the entire system, so it is not necessary for the callback to put the device in
+a low-power state.
Leaving Hibernation
@@ -764,70 +770,119 @@ device driver in question.
If it is necessary to resume a device from runtime suspend during a system-wide
transition into a sleep state, that can be done by calling
-:c:func:`pm_runtime_resume` for it from the ``->suspend`` callback (or its
-couterpart for transitions related to hibernation) of either the device's driver
-or a subsystem responsible for it (for example, a bus type or a PM domain).
-That is guaranteed to work by the requirement that subsystems must not change
-the state of devices (possibly except for resuming them from runtime suspend)
+:c:func:`pm_runtime_resume` from the ``->suspend`` callback (or the ``->freeze``
+or ``->poweroff`` callback for transitions related to hibernation) of either the
+device's driver or its subsystem (for example, a bus type or a PM domain).
+However, subsystems must not otherwise change the runtime status of devices
from their ``->prepare`` and ``->suspend`` callbacks (or equivalent) *before*
invoking device drivers' ``->suspend`` callbacks (or equivalent).
+.. _smart_suspend_flag:
+
+The ``DPM_FLAG_SMART_SUSPEND`` Driver Flag
+------------------------------------------
+
Some bus types and PM domains have a policy to resume all devices from runtime
suspend upfront in their ``->suspend`` callbacks, but that may not be really
-necessary if the driver of the device can cope with runtime-suspended devices.
-The driver can indicate that by setting ``DPM_FLAG_SMART_SUSPEND`` in
-:c:member:`power.driver_flags` at the probe time, by passing it to the
-:c:func:`dev_pm_set_driver_flags` helper. That also may cause middle-layer code
+necessary if the device's driver can cope with runtime-suspended devices.
+The driver can indicate this by setting ``DPM_FLAG_SMART_SUSPEND`` in
+:c:member:`power.driver_flags` at probe time, with the assistance of the
+:c:func:`dev_pm_set_driver_flags` helper routine.
+
+Setting that flag causes the PM core and middle-layer code
(bus types, PM domains etc.) to skip the ``->suspend_late`` and
``->suspend_noirq`` callbacks provided by the driver if the device remains in
-runtime suspend at the beginning of the ``suspend_late`` phase of system-wide
-suspend (or in the ``poweroff_late`` phase of hibernation), when runtime PM
-has been disabled for it, under the assumption that its state should not change
-after that point until the system-wide transition is over (the PM core itself
-does that for devices whose "noirq", "late" and "early" system-wide PM callbacks
-are executed directly by it). If that happens, the driver's system-wide resume
-callbacks, if present, may still be invoked during the subsequent system-wide
-resume transition and the device's runtime power management status may be set
-to "active" before enabling runtime PM for it, so the driver must be prepared to
-cope with the invocation of its system-wide resume callbacks back-to-back with
-its ``->runtime_suspend`` one (without the intervening ``->runtime_resume`` and
-so on) and the final state of the device must reflect the "active" runtime PM
-status in that case.
+runtime suspend throughout those phases of the system-wide suspend (and
+similarly for the "freeze" and "poweroff" parts of system hibernation).
+[Otherwise the same driver
+callback might be executed twice in a row for the same device, which would not
+be valid in general.] If the middle-layer system-wide PM callbacks are present
+for the device then they are responsible for skipping these driver callbacks;
+if not then the PM core skips them. The subsystem callback routines can
+determine whether they need to skip the driver callbacks by testing the return
+value from the :c:func:`dev_pm_skip_suspend` helper function.
+
+In addition, with ``DPM_FLAG_SMART_SUSPEND`` set, the driver's ``->thaw_noirq``
+and ``->thaw_early`` callbacks are skipped in hibernation if the device remained
+in runtime suspend throughout the preceding "freeze" transition. Again, if the
+middle-layer callbacks are present for the device, they are responsible for
+doing this, otherwise the PM core takes care of it.
+
+
+The ``DPM_FLAG_MAY_SKIP_RESUME`` Driver Flag
+--------------------------------------------
During system-wide resume from a sleep state it's easiest to put devices into
the full-power state, as explained in :file:`Documentation/power/runtime_pm.rst`.
[Refer to that document for more information regarding this particular issue as
well as for information on the device runtime power management framework in
-general.]
-
-However, it often is desirable to leave devices in suspend after system
-transitions to the working state, especially if those devices had been in
+general.] However, it often is desirable to leave devices in suspend after
+system transitions to the working state, especially if those devices had been in
runtime suspend before the preceding system-wide suspend (or analogous)
-transition. Device drivers can use the ``DPM_FLAG_LEAVE_SUSPENDED`` flag to
-indicate to the PM core (and middle-layer code) that they prefer the specific
-devices handled by them to be left suspended and they have no problems with
-skipping their system-wide resume callbacks for this reason. Whether or not the
-devices will actually be left in suspend may depend on their state before the
-given system suspend-resume cycle and on the type of the system transition under
-way. In particular, devices are not left suspended if that transition is a
-restore from hibernation, as device states are not guaranteed to be reflected
-by the information stored in the hibernation image in that case.
-
-The middle-layer code involved in the handling of the device is expected to
-indicate to the PM core if the device may be left in suspend by setting its
-:c:member:`power.may_skip_resume` status bit which is checked by the PM core
-during the "noirq" phase of the preceding system-wide suspend (or analogous)
-transition. The middle layer is then responsible for handling the device as
-appropriate in its "noirq" resume callback, which is executed regardless of
-whether or not the device is left suspended, but the other resume callbacks
-(except for ``->complete``) will be skipped automatically by the PM core if the
-device really can be left in suspend.
-
-For devices whose "noirq", "late" and "early" driver callbacks are invoked
-directly by the PM core, all of the system-wide resume callbacks are skipped if
-``DPM_FLAG_LEAVE_SUSPENDED`` is set and the device is in runtime suspend during
-the ``suspend_noirq`` (or analogous) phase or the transition under way is a
-proper system suspend (rather than anything related to hibernation) and the
-device's wakeup settings are suitable for runtime PM (that is, it cannot
-generate wakeup signals at all or it is allowed to wake up the system from
-sleep).
+transition.
+
+To that end, device drivers can use the ``DPM_FLAG_MAY_SKIP_RESUME`` flag to
+indicate to the PM core and middle-layer code that they allow their "noirq" and
+"early" resume callbacks to be skipped if the device can be left in suspend
+after system-wide PM transitions to the working state. Whether or not that is
+the case generally depends on the state of the device before the given system
+suspend-resume cycle and on the type of the system transition under way.
+In particular, the "thaw" and "restore" transitions related to hibernation are
+not affected by ``DPM_FLAG_MAY_SKIP_RESUME`` at all. [All callbacks are
+issued during the "restore" transition regardless of the flag settings,
+and whether or not any driver callbacks
+are skipped during the "thaw" transition depends whether or not the
+``DPM_FLAG_SMART_SUSPEND`` flag is set (see `above <smart_suspend_flag_>`_).
+In addition, a device is not allowed to remain in runtime suspend if any of its
+children will be returned to full power.]
+
+The ``DPM_FLAG_MAY_SKIP_RESUME`` flag is taken into account in combination with
+the :c:member:`power.may_skip_resume` status bit set by the PM core during the
+"suspend" phase of suspend-type transitions. If the driver or the middle layer
+has a reason to prevent the driver's "noirq" and "early" resume callbacks from
+being skipped during the subsequent system resume transition, it should
+clear :c:member:`power.may_skip_resume` in its ``->suspend``, ``->suspend_late``
+or ``->suspend_noirq`` callback. [Note that the drivers setting
+``DPM_FLAG_SMART_SUSPEND`` need to clear :c:member:`power.may_skip_resume` in
+their ``->suspend`` callback in case the other two are skipped.]
+
+Setting the :c:member:`power.may_skip_resume` status bit along with the
+``DPM_FLAG_MAY_SKIP_RESUME`` flag is necessary, but generally not sufficient,
+for the driver's "noirq" and "early" resume callbacks to be skipped. Whether or
+not they should be skipped can be determined by evaluating the
+:c:func:`dev_pm_skip_resume` helper function.
+
+If that function returns ``true``, the driver's "noirq" and "early" resume
+callbacks should be skipped and the device's runtime PM status will be set to
+"suspended" by the PM core. Otherwise, if the device was runtime-suspended
+during the preceding system-wide suspend transition and its
+``DPM_FLAG_SMART_SUSPEND`` is set, its runtime PM status will be set to
+"active" by the PM core. [Hence, the drivers that do not set
+``DPM_FLAG_SMART_SUSPEND`` should not expect the runtime PM status of their
+devices to be changed from "suspended" to "active" by the PM core during
+system-wide resume-type transitions.]
+
+If the ``DPM_FLAG_MAY_SKIP_RESUME`` flag is not set for a device, but
+``DPM_FLAG_SMART_SUSPEND`` is set and the driver's "late" and "noirq" suspend
+callbacks are skipped, its system-wide "noirq" and "early" resume callbacks, if
+present, are invoked as usual and the device's runtime PM status is set to
+"active" by the PM core before enabling runtime PM for it. In that case, the
+driver must be prepared to cope with the invocation of its system-wide resume
+callbacks back-to-back with its ``->runtime_suspend`` one (without the
+intervening ``->runtime_resume`` and system-wide suspend callbacks) and the
+final state of the device must reflect the "active" runtime PM status in that
+case. [Note that this is not a problem at all if the driver's
+``->suspend_late`` callback pointer points to the same function as its
+``->runtime_suspend`` one and its ``->resume_early`` callback pointer points to
+the same function as the ``->runtime_resume`` one, while none of the other
+system-wide suspend-resume callbacks of the driver are present, for example.]
+
+Likewise, if ``DPM_FLAG_MAY_SKIP_RESUME`` is set for a device, its driver's
+system-wide "noirq" and "early" resume callbacks may be skipped while its "late"
+and "noirq" suspend callbacks may have been executed (in principle, regardless
+of whether or not ``DPM_FLAG_SMART_SUSPEND`` is set). In that case, the driver
+needs to be able to cope with the invocation of its ``->runtime_resume``
+callback back-to-back with its "late" and "noirq" suspend ones. [For instance,
+that is not a concern if the driver sets both ``DPM_FLAG_SMART_SUSPEND`` and
+``DPM_FLAG_MAY_SKIP_RESUME`` and uses the same pair of suspend/resume callback
+functions for runtime PM and system-wide suspend/resume.]
diff --git a/Documentation/driver-api/thermal/cpu-idle-cooling.rst b/Documentation/driver-api/thermal/cpu-idle-cooling.rst
index a1c3edecae00..b9f34ceb2a38 100644
--- a/Documentation/driver-api/thermal/cpu-idle-cooling.rst
+++ b/Documentation/driver-api/thermal/cpu-idle-cooling.rst
@@ -1,3 +1,6 @@
+================
+CPU Idle Cooling
+================
Situation:
----------
diff --git a/Documentation/driver-api/thermal/index.rst b/Documentation/driver-api/thermal/index.rst
index 5ba61d19c6ae..4cb0b9b6bfb8 100644
--- a/Documentation/driver-api/thermal/index.rst
+++ b/Documentation/driver-api/thermal/index.rst
@@ -8,6 +8,7 @@ Thermal
:maxdepth: 1
cpu-cooling-api
+ cpu-idle-cooling
sysfs-api
power_allocator
diff --git a/Documentation/fb/efifb.rst b/Documentation/fb/efifb.rst
index 04840331a00e..6badff64756f 100644
--- a/Documentation/fb/efifb.rst
+++ b/Documentation/fb/efifb.rst
@@ -2,8 +2,10 @@
What is efifb?
==============
-This is a generic EFI platform driver for Intel based Apple computers.
-efifb is only for EFI booted Intel Macs.
+This is a generic EFI platform driver for systems with UEFI firmware. The
+system must be booted via the EFI stub for this to be usable. efifb supports
+both firmware with Graphics Output Protocol (GOP) displays as well as older
+systems with only Universal Graphics Adapter (UGA) displays.
Supported Hardware
==================
@@ -12,11 +14,14 @@ Supported Hardware
- Macbook
- Macbook Pro 15"/17"
- MacMini
+- ARM/ARM64/X86 systems with UEFI firmware
How to use it?
==============
-efifb does not have any kind of autodetection of your machine.
+For UGA displays, efifb does not have any kind of autodetection of your
+machine.
+
You have to add the following kernel parameters in your elilo.conf::
Macbook :
@@ -28,6 +33,9 @@ You have to add the following kernel parameters in your elilo.conf::
Macbook Pro 17", iMac 20" :
video=efifb:i20
+For GOP displays, efifb can autodetect the display's resolution and framebuffer
+address, so these should work out of the box without any special parameters.
+
Accepted options:
======= ===========================================================
@@ -36,4 +44,28 @@ nowc Don't map the framebuffer write combined. This can be used
when large amounts of console data are written.
======= ===========================================================
+Options for GOP displays:
+
+mode=n
+ The EFI stub will set the mode of the display to mode number n if
+ possible.
+
+<xres>x<yres>[-(rgb|bgr|<bpp>)]
+ The EFI stub will search for a display mode that matches the specified
+ horizontal and vertical resolution, and optionally bit depth, and set
+ the mode of the display to it if one is found. The bit depth can either
+ "rgb" or "bgr" to match specifically those pixel formats, or a number
+ for a mode with matching bits per pixel.
+
+auto
+ The EFI stub will choose the mode with the highest resolution (product
+ of horizontal and vertical resolution). If there are multiple modes
+ with the highest resolution, it will choose one with the highest color
+ depth.
+
+list
+ The EFI stub will list out all the display modes that are available. A
+ specific mode can then be chosen using one of the above options for the
+ next boot.
+
Edgar Hucek <gimli@dark-green.com>
diff --git a/Documentation/features/core/eBPF-JIT/arch-support.txt b/Documentation/features/core/eBPF-JIT/arch-support.txt
index 9ae6e8d0d10d..9ed964f65224 100644
--- a/Documentation/features/core/eBPF-JIT/arch-support.txt
+++ b/Documentation/features/core/eBPF-JIT/arch-support.txt
@@ -23,7 +23,7 @@
| openrisc: | TODO |
| parisc: | TODO |
| powerpc: | ok |
- | riscv: | TODO |
+ | riscv: | ok |
| s390: | ok |
| sh: | TODO |
| sparc: | ok |
diff --git a/Documentation/features/debug/KASAN/arch-support.txt b/Documentation/features/debug/KASAN/arch-support.txt
index 304dcd461795..6ff38548923e 100644
--- a/Documentation/features/debug/KASAN/arch-support.txt
+++ b/Documentation/features/debug/KASAN/arch-support.txt
@@ -22,9 +22,9 @@
| nios2: | TODO |
| openrisc: | TODO |
| parisc: | TODO |
- | powerpc: | TODO |
- | riscv: | TODO |
- | s390: | TODO |
+ | powerpc: | ok |
+ | riscv: | ok |
+ | s390: | ok |
| sh: | TODO |
| sparc: | TODO |
| um: | TODO |
diff --git a/Documentation/features/debug/gcov-profile-all/arch-support.txt b/Documentation/features/debug/gcov-profile-all/arch-support.txt
index 6fb2b0671994..210256f6a4cf 100644
--- a/Documentation/features/debug/gcov-profile-all/arch-support.txt
+++ b/Documentation/features/debug/gcov-profile-all/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
diff --git a/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt b/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt
index 32b297295fff..97cd7aa74905 100644
--- a/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt
+++ b/Documentation/features/debug/kprobes-on-ftrace/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | TODO |
| arm64: | TODO |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
diff --git a/Documentation/features/debug/kprobes/arch-support.txt b/Documentation/features/debug/kprobes/arch-support.txt
index e68239b5d2f0..8b316c6e03d4 100644
--- a/Documentation/features/debug/kprobes/arch-support.txt
+++ b/Documentation/features/debug/kprobes/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | ok |
@@ -23,7 +23,7 @@
| openrisc: | TODO |
| parisc: | ok |
| powerpc: | ok |
- | riscv: | ok |
+ | riscv: | TODO |
| s390: | ok |
| sh: | ok |
| sparc: | ok |
diff --git a/Documentation/features/debug/kretprobes/arch-support.txt b/Documentation/features/debug/kretprobes/arch-support.txt
index f17131b328e5..b805aada395e 100644
--- a/Documentation/features/debug/kretprobes/arch-support.txt
+++ b/Documentation/features/debug/kretprobes/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | ok |
diff --git a/Documentation/features/debug/stackprotector/arch-support.txt b/Documentation/features/debug/stackprotector/arch-support.txt
index 32bbdfc64c32..12410f606edc 100644
--- a/Documentation/features/debug/stackprotector/arch-support.txt
+++ b/Documentation/features/debug/stackprotector/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
diff --git a/Documentation/features/debug/uprobes/arch-support.txt b/Documentation/features/debug/uprobes/arch-support.txt
index 1c577d0cfc7f..be8acbb95b54 100644
--- a/Documentation/features/debug/uprobes/arch-support.txt
+++ b/Documentation/features/debug/uprobes/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
diff --git a/Documentation/features/io/dma-contiguous/arch-support.txt b/Documentation/features/io/dma-contiguous/arch-support.txt
index eb28b5c97ca6..895c3b0f6492 100644
--- a/Documentation/features/io/dma-contiguous/arch-support.txt
+++ b/Documentation/features/io/dma-contiguous/arch-support.txt
@@ -16,7 +16,7 @@
| hexagon: | TODO |
| ia64: | TODO |
| m68k: | TODO |
- | microblaze: | TODO |
+ | microblaze: | ok |
| mips: | ok |
| nds32: | TODO |
| nios2: | TODO |
diff --git a/Documentation/features/locking/lockdep/arch-support.txt b/Documentation/features/locking/lockdep/arch-support.txt
index 941fd5b1094d..98cb9d85c55d 100644
--- a/Documentation/features/locking/lockdep/arch-support.txt
+++ b/Documentation/features/locking/lockdep/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | ok |
| ia64: | TODO |
diff --git a/Documentation/features/perf/kprobes-event/arch-support.txt b/Documentation/features/perf/kprobes-event/arch-support.txt
index d8278bf62b85..518f352fc727 100644
--- a/Documentation/features/perf/kprobes-event/arch-support.txt
+++ b/Documentation/features/perf/kprobes-event/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | ok |
| ia64: | TODO |
@@ -21,7 +21,7 @@
| nds32: | ok |
| nios2: | TODO |
| openrisc: | TODO |
- | parisc: | TODO |
+ | parisc: | ok |
| powerpc: | ok |
| riscv: | TODO |
| s390: | ok |
diff --git a/Documentation/features/perf/perf-regs/arch-support.txt b/Documentation/features/perf/perf-regs/arch-support.txt
index 687d049d9cee..c22cd6f8aa5e 100644
--- a/Documentation/features/perf/perf-regs/arch-support.txt
+++ b/Documentation/features/perf/perf-regs/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
@@ -23,7 +23,7 @@
| openrisc: | TODO |
| parisc: | TODO |
| powerpc: | ok |
- | riscv: | TODO |
+ | riscv: | ok |
| s390: | ok |
| sh: | TODO |
| sparc: | TODO |
diff --git a/Documentation/features/perf/perf-stackdump/arch-support.txt b/Documentation/features/perf/perf-stackdump/arch-support.txt
index 90996e3d18a8..527fe4d0b074 100644
--- a/Documentation/features/perf/perf-stackdump/arch-support.txt
+++ b/Documentation/features/perf/perf-stackdump/arch-support.txt
@@ -11,7 +11,7 @@
| arm: | ok |
| arm64: | ok |
| c6x: | TODO |
- | csky: | TODO |
+ | csky: | ok |
| h8300: | TODO |
| hexagon: | TODO |
| ia64: | TODO |
@@ -23,7 +23,7 @@
| openrisc: | TODO |
| parisc: | TODO |
| powerpc: | ok |
- | riscv: | TODO |
+ | riscv: | ok |
| s390: | ok |
| sh: | TODO |
| sparc: | TODO |
diff --git a/Documentation/features/seccomp/seccomp-filter/arch-support.txt b/Documentation/features/seccomp/seccomp-filter/arch-support.txt
index 4fe6c3c3be5c..c7b837f735b1 100644
--- a/Documentation/features/seccomp/seccomp-filter/arch-support.txt
+++ b/Documentation/features/seccomp/seccomp-filter/arch-support.txt
@@ -23,7 +23,7 @@
| openrisc: | TODO |
| parisc: | ok |
| powerpc: | ok |
- | riscv: | TODO |
+ | riscv: | ok |
| s390: | ok |
| sh: | TODO |
| sparc: | TODO |
diff --git a/Documentation/features/vm/huge-vmap/arch-support.txt b/Documentation/features/vm/huge-vmap/arch-support.txt
index 019131c5acce..8525f1981f19 100644
--- a/Documentation/features/vm/huge-vmap/arch-support.txt
+++ b/Documentation/features/vm/huge-vmap/arch-support.txt
@@ -22,7 +22,7 @@
| nios2: | TODO |
| openrisc: | TODO |
| parisc: | TODO |
- | powerpc: | TODO |
+ | powerpc: | ok |
| riscv: | TODO |
| s390: | TODO |
| sh: | TODO |
diff --git a/Documentation/features/vm/numa-memblock/arch-support.txt b/Documentation/features/vm/numa-memblock/arch-support.txt
deleted file mode 100644
index 3004beb0fd71..000000000000
--- a/Documentation/features/vm/numa-memblock/arch-support.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-#
-# Feature name: numa-memblock
-# Kconfig: HAVE_MEMBLOCK_NODE_MAP
-# description: arch supports NUMA aware memblocks
-#
- -----------------------
- | arch |status|
- -----------------------
- | alpha: | TODO |
- | arc: | .. |
- | arm: | .. |
- | arm64: | ok |
- | c6x: | .. |
- | csky: | .. |
- | h8300: | .. |
- | hexagon: | .. |
- | ia64: | ok |
- | m68k: | .. |
- | microblaze: | ok |
- | mips: | ok |
- | nds32: | TODO |
- | nios2: | .. |
- | openrisc: | .. |
- | parisc: | .. |
- | powerpc: | ok |
- | riscv: | ok |
- | s390: | ok |
- | sh: | ok |
- | sparc: | ok |
- | um: | .. |
- | unicore32: | .. |
- | x86: | ok |
- | xtensa: | .. |
- -----------------------
diff --git a/Documentation/features/vm/pte_special/arch-support.txt b/Documentation/features/vm/pte_special/arch-support.txt
index 3d492a34c8ee..2e017387e228 100644
--- a/Documentation/features/vm/pte_special/arch-support.txt
+++ b/Documentation/features/vm/pte_special/arch-support.txt
@@ -17,7 +17,7 @@
| ia64: | TODO |
| m68k: | TODO |
| microblaze: | TODO |
- | mips: | TODO |
+ | mips: | ok |
| nds32: | TODO |
| nios2: | TODO |
| openrisc: | TODO |
diff --git a/Documentation/filesystems/9p.rst b/Documentation/filesystems/9p.rst
index 671fef39a802..2995279ddc24 100644
--- a/Documentation/filesystems/9p.rst
+++ b/Documentation/filesystems/9p.rst
@@ -192,4 +192,4 @@ For more information on the Plan 9 Operating System check out
http://plan9.bell-labs.com/plan9
For information on Plan 9 from User Space (Plan 9 applications and libraries
-ported to Linux/BSD/OSX/etc) check out http://swtch.com/plan9
+ported to Linux/BSD/OSX/etc) check out https://9fans.github.io/plan9port/
diff --git a/Documentation/filesystems/afs.rst b/Documentation/filesystems/afs.rst
index c4ec39a5966e..cada9464d6bd 100644
--- a/Documentation/filesystems/afs.rst
+++ b/Documentation/filesystems/afs.rst
@@ -70,7 +70,7 @@ list of volume location server IP addresses::
The first module is the AF_RXRPC network protocol driver. This provides the
RxRPC remote operation protocol and may also be accessed from userspace. See:
- Documentation/networking/rxrpc.txt
+ Documentation/networking/rxrpc.rst
The second module is the kerberos RxRPC security driver, and the third module
is the actual filesystem driver for the AFS filesystem.
diff --git a/Documentation/filesystems/automount-support.txt b/Documentation/filesystems/automount-support.rst
index 7d9f82607562..430f0b40796b 100644
--- a/Documentation/filesystems/automount-support.txt
+++ b/Documentation/filesystems/automount-support.rst
@@ -1,3 +1,10 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=================
+Automount Support
+=================
+
+
Support is available for filesystems that wish to do automounting
support (such as kAFS which can be found in fs/afs/ and NFS in
fs/nfs/). This facility includes allowing in-kernel mounts to be
@@ -5,13 +12,12 @@ performed and mountpoint degradation to be requested. The latter can
also be requested by userspace.
-======================
-IN-KERNEL AUTOMOUNTING
+In-Kernel Automounting
======================
See section "Mount Traps" of Documentation/filesystems/autofs.rst
-Then from userspace, you can just do something like:
+Then from userspace, you can just do something like::
[root@andromeda root]# mount -t afs \#root.afs. /afs
[root@andromeda root]# ls /afs
@@ -21,7 +27,7 @@ Then from userspace, you can just do something like:
[root@andromeda root]# ls /afs/cambridge/afsdoc/
ChangeLog html LICENSE pdf RELNOTES-1.2.2
-And then if you look in the mountpoint catalogue, you'll see something like:
+And then if you look in the mountpoint catalogue, you'll see something like::
[root@andromeda root]# cat /proc/mounts
...
@@ -30,8 +36,7 @@ And then if you look in the mountpoint catalogue, you'll see something like:
#afsdoc. /afs/cambridge.redhat.com/afsdoc afs rw 0 0
-===========================
-AUTOMATIC MOUNTPOINT EXPIRY
+Automatic Mountpoint Expiry
===========================
Automatic expiration of mountpoints is easy, provided you've mounted the
@@ -43,7 +48,8 @@ To do expiration, you need to follow these steps:
hung.
(2) When a new mountpoint is created in the ->d_automount method, add
- the mnt to the list using mnt_set_expiry()
+ the mnt to the list using mnt_set_expiry()::
+
mnt_set_expiry(newmnt, &afs_vfsmounts);
(3) When you want mountpoints to be expired, call mark_mounts_for_expiry()
@@ -70,8 +76,7 @@ and the copies of those that are on an expiration list will be added to the
same expiration list.
-=======================
-USERSPACE DRIVEN EXPIRY
+Userspace Driven Expiry
=======================
As an alternative, it is possible for userspace to request expiry of any
diff --git a/Documentation/filesystems/caching/backend-api.txt b/Documentation/filesystems/caching/backend-api.rst
index c418280c915f..19fbf6b9aa36 100644
--- a/Documentation/filesystems/caching/backend-api.txt
+++ b/Documentation/filesystems/caching/backend-api.rst
@@ -1,6 +1,8 @@
- ==========================
- FS-CACHE CACHE BACKEND API
- ==========================
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+FS-Cache Cache backend API
+==========================
The FS-Cache system provides an API by which actual caches can be supplied to
FS-Cache for it to then serve out to network filesystems and other interested
@@ -9,15 +11,14 @@ parties.
This API is declared in <linux/fscache-cache.h>.
-====================================
-INITIALISING AND REGISTERING A CACHE
+Initialising and Registering a Cache
====================================
To start off, a cache definition must be initialised and registered for each
cache the backend wants to make available. For instance, CacheFS does this in
the fill_super() operation on mounting.
-The cache definition (struct fscache_cache) should be initialised by calling:
+The cache definition (struct fscache_cache) should be initialised by calling::
void fscache_init_cache(struct fscache_cache *cache,
struct fscache_cache_ops *ops,
@@ -26,17 +27,17 @@ The cache definition (struct fscache_cache) should be initialised by calling:
Where:
- (*) "cache" is a pointer to the cache definition;
+ * "cache" is a pointer to the cache definition;
- (*) "ops" is a pointer to the table of operations that the backend supports on
+ * "ops" is a pointer to the table of operations that the backend supports on
this cache; and
- (*) "idfmt" is a format and printf-style arguments for constructing a label
+ * "idfmt" is a format and printf-style arguments for constructing a label
for the cache.
The cache should then be registered with FS-Cache by passing a pointer to the
-previously initialised cache definition to:
+previously initialised cache definition to::
int fscache_add_cache(struct fscache_cache *cache,
struct fscache_object *fsdef,
@@ -44,12 +45,12 @@ previously initialised cache definition to:
Two extra arguments should also be supplied:
- (*) "fsdef" which should point to the object representation for the FS-Cache
+ * "fsdef" which should point to the object representation for the FS-Cache
master index in this cache. Netfs primary index entries will be created
here. FS-Cache keeps the caller's reference to the index object if
successful and will release it upon withdrawal of the cache.
- (*) "tagname" which, if given, should be a text string naming this cache. If
+ * "tagname" which, if given, should be a text string naming this cache. If
this is NULL, the identifier will be used instead. For CacheFS, the
identifier is set to name the underlying block device and the tag can be
supplied by mount.
@@ -58,20 +59,18 @@ This function may return -ENOMEM if it ran out of memory or -EEXIST if the tag
is already in use. 0 will be returned on success.
-=====================
-UNREGISTERING A CACHE
+Unregistering a Cache
=====================
A cache can be withdrawn from the system by calling this function with a
-pointer to the cache definition:
+pointer to the cache definition::
void fscache_withdraw_cache(struct fscache_cache *cache);
In CacheFS's case, this is called by put_super().
-========
-SECURITY
+Security
========
The cache methods are executed one of two contexts:
@@ -89,8 +88,7 @@ be masqueraded for the duration of the cache driver's access to the cache.
This is left to the cache to handle; FS-Cache makes no effort in this regard.
-===================================
-CONTROL AND STATISTICS PRESENTATION
+Control and Statistics Presentation
===================================
The cache may present data to the outside world through FS-Cache's interfaces
@@ -101,11 +99,10 @@ is enabled. This is accessible through the kobject struct fscache_cache::kobj
and is for use by the cache as it sees fit.
-========================
-RELEVANT DATA STRUCTURES
+Relevant Data Structures
========================
- (*) Index/Data file FS-Cache representation cookie:
+ * Index/Data file FS-Cache representation cookie::
struct fscache_cookie {
struct fscache_object_def *def;
@@ -121,7 +118,7 @@ RELEVANT DATA STRUCTURES
cache operations.
- (*) In-cache object representation:
+ * In-cache object representation::
struct fscache_object {
int debug_id;
@@ -150,7 +147,7 @@ RELEVANT DATA STRUCTURES
initialised by calling fscache_object_init(object).
- (*) FS-Cache operation record:
+ * FS-Cache operation record::
struct fscache_operation {
atomic_t usage;
@@ -173,7 +170,7 @@ RELEVANT DATA STRUCTURES
an operation needs more processing time, it should be enqueued again.
- (*) FS-Cache retrieval operation record:
+ * FS-Cache retrieval operation record::
struct fscache_retrieval {
struct fscache_operation op;
@@ -198,7 +195,7 @@ RELEVANT DATA STRUCTURES
it sees fit.
- (*) FS-Cache storage operation record:
+ * FS-Cache storage operation record::
struct fscache_storage {
struct fscache_operation op;
@@ -212,16 +209,17 @@ RELEVANT DATA STRUCTURES
storage.
-================
-CACHE OPERATIONS
+Cache Operations
================
The cache backend provides FS-Cache with a table of operations that can be
performed on the denizens of the cache. These are held in a structure of type:
- struct fscache_cache_ops
+ ::
+
+ struct fscache_cache_ops
- (*) Name of cache provider [mandatory]:
+ * Name of cache provider [mandatory]::
const char *name
@@ -229,7 +227,7 @@ performed on the denizens of the cache. These are held in a structure of type:
the backend.
- (*) Allocate a new object [mandatory]:
+ * Allocate a new object [mandatory]::
struct fscache_object *(*alloc_object)(struct fscache_cache *cache,
struct fscache_cookie *cookie)
@@ -244,7 +242,7 @@ performed on the denizens of the cache. These are held in a structure of type:
form once lookup is complete or aborted.
- (*) Look up and create object [mandatory]:
+ * Look up and create object [mandatory]::
void (*lookup_object)(struct fscache_object *object)
@@ -263,7 +261,7 @@ performed on the denizens of the cache. These are held in a structure of type:
to abort the lookup of that object.
- (*) Release lookup data [mandatory]:
+ * Release lookup data [mandatory]::
void (*lookup_complete)(struct fscache_object *object)
@@ -271,7 +269,7 @@ performed on the denizens of the cache. These are held in a structure of type:
using to perform a lookup.
- (*) Increment object refcount [mandatory]:
+ * Increment object refcount [mandatory]::
struct fscache_object *(*grab_object)(struct fscache_object *object)
@@ -280,7 +278,7 @@ performed on the denizens of the cache. These are held in a structure of type:
It should return the object pointer if successful.
- (*) Lock/Unlock object [mandatory]:
+ * Lock/Unlock object [mandatory]::
void (*lock_object)(struct fscache_object *object)
void (*unlock_object)(struct fscache_object *object)
@@ -289,7 +287,7 @@ performed on the denizens of the cache. These are held in a structure of type:
to schedule with the lock held, so a spinlock isn't sufficient.
- (*) Pin/Unpin object [optional]:
+ * Pin/Unpin object [optional]::
int (*pin_object)(struct fscache_object *object)
void (*unpin_object)(struct fscache_object *object)
@@ -299,7 +297,7 @@ performed on the denizens of the cache. These are held in a structure of type:
enough space in the cache to permit this.
- (*) Check coherency state of an object [mandatory]:
+ * Check coherency state of an object [mandatory]::
int (*check_consistency)(struct fscache_object *object)
@@ -308,7 +306,7 @@ performed on the denizens of the cache. These are held in a structure of type:
if they're consistent and -ESTALE otherwise. -ENOMEM and -ERESTARTSYS
may also be returned.
- (*) Update object [mandatory]:
+ * Update object [mandatory]::
int (*update_object)(struct fscache_object *object)
@@ -317,7 +315,7 @@ performed on the denizens of the cache. These are held in a structure of type:
obtained by calling object->cookie->def->get_aux()/get_attr().
- (*) Invalidate data object [mandatory]:
+ * Invalidate data object [mandatory]::
int (*invalidate_object)(struct fscache_operation *op)
@@ -329,7 +327,7 @@ performed on the denizens of the cache. These are held in a structure of type:
fscache_op_complete() must be called on op before returning.
- (*) Discard object [mandatory]:
+ * Discard object [mandatory]::
void (*drop_object)(struct fscache_object *object)
@@ -341,7 +339,7 @@ performed on the denizens of the cache. These are held in a structure of type:
caller. The caller will invoke the put_object() method as appropriate.
- (*) Release object reference [mandatory]:
+ * Release object reference [mandatory]::
void (*put_object)(struct fscache_object *object)
@@ -349,7 +347,7 @@ performed on the denizens of the cache. These are held in a structure of type:
be freed when all the references to it are released.
- (*) Synchronise a cache [mandatory]:
+ * Synchronise a cache [mandatory]::
void (*sync)(struct fscache_cache *cache)
@@ -357,7 +355,7 @@ performed on the denizens of the cache. These are held in a structure of type:
device.
- (*) Dissociate a cache [mandatory]:
+ * Dissociate a cache [mandatory]::
void (*dissociate_pages)(struct fscache_cache *cache)
@@ -365,7 +363,7 @@ performed on the denizens of the cache. These are held in a structure of type:
cache withdrawal.
- (*) Notification that the attributes on a netfs file changed [mandatory]:
+ * Notification that the attributes on a netfs file changed [mandatory]::
int (*attr_changed)(struct fscache_object *object);
@@ -386,7 +384,7 @@ performed on the denizens of the cache. These are held in a structure of type:
execution of this operation.
- (*) Reserve cache space for an object's data [optional]:
+ * Reserve cache space for an object's data [optional]::
int (*reserve_space)(struct fscache_object *object, loff_t size);
@@ -404,7 +402,7 @@ performed on the denizens of the cache. These are held in a structure of type:
size if larger than that already.
- (*) Request page be read from cache [mandatory]:
+ * Request page be read from cache [mandatory]::
int (*read_or_alloc_page)(struct fscache_retrieval *op,
struct page *page,
@@ -446,7 +444,7 @@ performed on the denizens of the cache. These are held in a structure of type:
with. This will complete the operation when all pages are dealt with.
- (*) Request pages be read from cache [mandatory]:
+ * Request pages be read from cache [mandatory]::
int (*read_or_alloc_pages)(struct fscache_retrieval *op,
struct list_head *pages,
@@ -457,7 +455,7 @@ performed on the denizens of the cache. These are held in a structure of type:
of pages instead of one page. Any pages on which a read operation is
started must be added to the page cache for the specified mapping and also
to the LRU. Such pages must also be removed from the pages list and
- *nr_pages decremented per page.
+ ``*nr_pages`` decremented per page.
If there was an error such as -ENOMEM, then that should be returned; else
if one or more pages couldn't be read or allocated, then -ENOBUFS should
@@ -466,7 +464,7 @@ performed on the denizens of the cache. These are held in a structure of type:
returned.
- (*) Request page be allocated in the cache [mandatory]:
+ * Request page be allocated in the cache [mandatory]::
int (*allocate_page)(struct fscache_retrieval *op,
struct page *page,
@@ -482,7 +480,7 @@ performed on the denizens of the cache. These are held in a structure of type:
allocated, then the netfs page should be marked and 0 returned.
- (*) Request pages be allocated in the cache [mandatory]:
+ * Request pages be allocated in the cache [mandatory]::
int (*allocate_pages)(struct fscache_retrieval *op,
struct list_head *pages,
@@ -493,7 +491,7 @@ performed on the denizens of the cache. These are held in a structure of type:
nr_pages should be treated as for the read_or_alloc_pages() method.
- (*) Request page be written to cache [mandatory]:
+ * Request page be written to cache [mandatory]::
int (*write_page)(struct fscache_storage *op,
struct page *page);
@@ -514,7 +512,7 @@ performed on the denizens of the cache. These are held in a structure of type:
appropriately.
- (*) Discard retained per-page metadata [mandatory]:
+ * Discard retained per-page metadata [mandatory]::
void (*uncache_page)(struct fscache_object *object, struct page *page)
@@ -523,13 +521,12 @@ performed on the denizens of the cache. These are held in a structure of type:
maintains for this page.
-==================
-FS-CACHE UTILITIES
+FS-Cache Utilities
==================
FS-Cache provides some utilities that a cache backend may make use of:
- (*) Note occurrence of an I/O error in a cache:
+ * Note occurrence of an I/O error in a cache::
void fscache_io_error(struct fscache_cache *cache)
@@ -541,7 +538,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
This does not actually withdraw the cache. That must be done separately.
- (*) Invoke the retrieval I/O completion function:
+ * Invoke the retrieval I/O completion function::
void fscache_end_io(struct fscache_retrieval *op, struct page *page,
int error);
@@ -550,8 +547,8 @@ FS-Cache provides some utilities that a cache backend may make use of:
error value should be 0 if successful and an error otherwise.
- (*) Record that one or more pages being retrieved or allocated have been dealt
- with:
+ * Record that one or more pages being retrieved or allocated have been dealt
+ with::
void fscache_retrieval_complete(struct fscache_retrieval *op,
int n_pages);
@@ -562,7 +559,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
completed.
- (*) Record operation completion:
+ * Record operation completion::
void fscache_op_complete(struct fscache_operation *op);
@@ -571,7 +568,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
one or more pending operations to start running.
- (*) Set highest store limit:
+ * Set highest store limit::
void fscache_set_store_limit(struct fscache_object *object,
loff_t i_size);
@@ -581,7 +578,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
rejected by fscache_read_alloc_page() and co with -ENOBUFS.
- (*) Mark pages as being cached:
+ * Mark pages as being cached::
void fscache_mark_pages_cached(struct fscache_retrieval *op,
struct pagevec *pagevec);
@@ -590,7 +587,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
the netfs must call fscache_uncache_page() to unmark the pages.
- (*) Perform coherency check on an object:
+ * Perform coherency check on an object::
enum fscache_checkaux fscache_check_aux(struct fscache_object *object,
const void *data,
@@ -603,29 +600,26 @@ FS-Cache provides some utilities that a cache backend may make use of:
One of three values will be returned:
- (*) FSCACHE_CHECKAUX_OKAY
-
+ FSCACHE_CHECKAUX_OKAY
The coherency data indicates the object is valid as is.
- (*) FSCACHE_CHECKAUX_NEEDS_UPDATE
-
+ FSCACHE_CHECKAUX_NEEDS_UPDATE
The coherency data needs updating, but otherwise the object is
valid.
- (*) FSCACHE_CHECKAUX_OBSOLETE
-
+ FSCACHE_CHECKAUX_OBSOLETE
The coherency data indicates that the object is obsolete and should
be discarded.
- (*) Initialise a freshly allocated object:
+ * Initialise a freshly allocated object::
void fscache_object_init(struct fscache_object *object);
This initialises all the fields in an object representation.
- (*) Indicate the destruction of an object:
+ * Indicate the destruction of an object::
void fscache_object_destroyed(struct fscache_cache *cache);
@@ -635,7 +629,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
all the objects.
- (*) Indicate negative lookup on an object:
+ * Indicate negative lookup on an object::
void fscache_object_lookup_negative(struct fscache_object *object);
@@ -650,7 +644,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
significant - all subsequent calls are ignored.
- (*) Indicate an object has been obtained:
+ * Indicate an object has been obtained::
void fscache_obtained_object(struct fscache_object *object);
@@ -667,7 +661,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
(2) that writes may now proceed against this object.
- (*) Indicate that object lookup failed:
+ * Indicate that object lookup failed::
void fscache_object_lookup_error(struct fscache_object *object);
@@ -676,7 +670,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
as possible.
- (*) Indicate that a stale object was found and discarded:
+ * Indicate that a stale object was found and discarded::
void fscache_object_retrying_stale(struct fscache_object *object);
@@ -685,7 +679,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
discarded from the cache and the lookup will be performed again.
- (*) Indicate that the caching backend killed an object:
+ * Indicate that the caching backend killed an object::
void fscache_object_mark_killed(struct fscache_object *object,
enum fscache_why_object_killed why);
@@ -693,13 +687,20 @@ FS-Cache provides some utilities that a cache backend may make use of:
This is called to indicate that the cache backend preemptively killed an
object. The why parameter should be set to indicate the reason:
- FSCACHE_OBJECT_IS_STALE - the object was stale and needs discarding.
- FSCACHE_OBJECT_NO_SPACE - there was insufficient cache space
- FSCACHE_OBJECT_WAS_RETIRED - the object was retired when relinquished.
- FSCACHE_OBJECT_WAS_CULLED - the object was culled to make space.
+ FSCACHE_OBJECT_IS_STALE
+ - the object was stale and needs discarding.
+
+ FSCACHE_OBJECT_NO_SPACE
+ - there was insufficient cache space
+
+ FSCACHE_OBJECT_WAS_RETIRED
+ - the object was retired when relinquished.
+
+ FSCACHE_OBJECT_WAS_CULLED
+ - the object was culled to make space.
- (*) Get and release references on a retrieval record:
+ * Get and release references on a retrieval record::
void fscache_get_retrieval(struct fscache_retrieval *op);
void fscache_put_retrieval(struct fscache_retrieval *op);
@@ -708,7 +709,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
asynchronous data retrieval and block allocation.
- (*) Enqueue a retrieval record for processing.
+ * Enqueue a retrieval record for processing::
void fscache_enqueue_retrieval(struct fscache_retrieval *op);
@@ -718,7 +719,7 @@ FS-Cache provides some utilities that a cache backend may make use of:
within the callback function.
- (*) List of object state names:
+ * List of object state names::
const char *fscache_object_states[];
diff --git a/Documentation/filesystems/caching/cachefiles.txt b/Documentation/filesystems/caching/cachefiles.rst
index 28aefcbb1442..65d3db476765 100644
--- a/Documentation/filesystems/caching/cachefiles.txt
+++ b/Documentation/filesystems/caching/cachefiles.rst
@@ -1,8 +1,10 @@
- ===============================================
- CacheFiles: CACHE ON ALREADY MOUNTED FILESYSTEM
- ===============================================
+.. SPDX-License-Identifier: GPL-2.0
-Contents:
+===============================================
+CacheFiles: CACHE ON ALREADY MOUNTED FILESYSTEM
+===============================================
+
+.. Contents:
(*) Overview.
@@ -27,8 +29,8 @@ Contents:
(*) Debugging.
-========
-OVERVIEW
+
+Overview
========
CacheFiles is a caching backend that's meant to use as a cache a directory on
@@ -58,8 +60,8 @@ spare space and automatically contract when the set of data requires more
space.
-============
-REQUIREMENTS
+
+Requirements
============
The use of CacheFiles and its daemon requires the following features to be
@@ -79,84 +81,70 @@ It is strongly recommended that the "dir_index" option is enabled on Ext3
filesystems being used as a cache.
-=============
-CONFIGURATION
+Configuration
=============
The cache is configured by a script in /etc/cachefilesd.conf. These commands
set up cache ready for use. The following script commands are available:
- (*) brun <N>%
- (*) bcull <N>%
- (*) bstop <N>%
- (*) frun <N>%
- (*) fcull <N>%
- (*) fstop <N>%
-
+ brun <N>%, bcull <N>%, bstop <N>%, frun <N>%, fcull <N>%, fstop <N>%
Configure the culling limits. Optional. See the section on culling
The defaults are 7% (run), 5% (cull) and 1% (stop) respectively.
The commands beginning with a 'b' are file space (block) limits, those
beginning with an 'f' are file count limits.
- (*) dir <path>
-
+ dir <path>
Specify the directory containing the root of the cache. Mandatory.
- (*) tag <name>
-
+ tag <name>
Specify a tag to FS-Cache to use in distinguishing multiple caches.
Optional. The default is "CacheFiles".
- (*) debug <mask>
-
+ debug <mask>
Specify a numeric bitmask to control debugging in the kernel module.
Optional. The default is zero (all off). The following values can be
OR'd into the mask to collect various information:
+ == =================================================
1 Turn on trace of function entry (_enter() macros)
2 Turn on trace of function exit (_leave() macros)
4 Turn on trace of internal debug points (_debug())
+ == =================================================
- This mask can also be set through sysfs, eg:
+ This mask can also be set through sysfs, eg::
echo 5 >/sys/modules/cachefiles/parameters/debug
-==================
-STARTING THE CACHE
+Starting the Cache
==================
The cache is started by running the daemon. The daemon opens the cache device,
configures the cache and tells it to begin caching. At that point the cache
binds to fscache and the cache becomes live.
-The daemon is run as follows:
+The daemon is run as follows::
/sbin/cachefilesd [-d]* [-s] [-n] [-f <configfile>]
The flags are:
- (*) -d
-
+ ``-d``
Increase the debugging level. This can be specified multiple times and
is cumulative with itself.
- (*) -s
-
+ ``-s``
Send messages to stderr instead of syslog.
- (*) -n
-
+ ``-n``
Don't daemonise and go into background.
- (*) -f <configfile>
-
+ ``-f <configfile>``
Use an alternative configuration file rather than the default one.
-===============
-THINGS TO AVOID
+Things to Avoid
===============
Do not mount other things within the cache as this will cause problems. The
@@ -179,8 +167,7 @@ Do not chmod files in the cache. The module creates things with minimal
permissions to prevent random users being able to access them directly.
-=============
-CACHE CULLING
+Cache Culling
=============
The cache may need culling occasionally to make space. This involves
@@ -192,27 +179,21 @@ Cache culling is done on the basis of the percentage of blocks and the
percentage of files available in the underlying filesystem. There are six
"limits":
- (*) brun
- (*) frun
-
+ brun, frun
If the amount of free space and the number of available files in the cache
rises above both these limits, then culling is turned off.
- (*) bcull
- (*) fcull
-
+ bcull, fcull
If the amount of available space or the number of available files in the
cache falls below either of these limits, then culling is started.
- (*) bstop
- (*) fstop
-
+ bstop, fstop
If the amount of available space or the number of available files in the
cache falls below either of these limits, then no further allocation of
disk space or files is permitted until culling has raised things above
these limits again.
-These must be configured thusly:
+These must be configured thusly::
0 <= bstop < bcull < brun < 100
0 <= fstop < fcull < frun < 100
@@ -226,16 +207,14 @@ started as soon as space is made in the table. Objects will be skipped if
their atimes have changed or if the kernel module says it is still using them.
-===============
-CACHE STRUCTURE
+Cache Structure
===============
The CacheFiles module will create two directories in the directory it was
given:
- (*) cache/
-
- (*) graveyard/
+ * cache/
+ * graveyard/
The active cache objects all reside in the first directory. The CacheFiles
kernel module moves any retired or culled objects that it can't simply unlink
@@ -261,10 +240,10 @@ If an object has children, then it will be represented as a directory.
Immediately in the representative directory are a collection of directories
named for hash values of the child object keys with an '@' prepended. Into
this directory, if possible, will be placed the representations of the child
-objects:
+objects::
- INDEX INDEX INDEX DATA FILES
- ========= ========== ================================= ================
+ /INDEX /INDEX /INDEX /DATA FILES
+ /=========/==========/=================================/================
cache/@4a/I03nfs/@30/Ji000000000000000--fHg8hi8400
cache/@4a/I03nfs/@30/Ji000000000000000--fHg8hi8400/@75/Es0g000w...DB1ry
cache/@4a/I03nfs/@30/Ji000000000000000--fHg8hi8400/@75/Es0g000w...N22ry
@@ -275,7 +254,7 @@ If the key is so long that it exceeds NAME_MAX with the decorations added on to
it, then it will be cut into pieces, the first few of which will be used to
make a nest of directories, and the last one of which will be the objects
inside the last directory. The names of the intermediate directories will have
-'+' prepended:
+'+' prepended::
J1223/@23/+xy...z/+kl...m/Epqr
@@ -288,11 +267,13 @@ To handle this, CacheFiles will use a suitably printable filename directly and
"base-64" encode ones that aren't directly suitable. The two versions of
object filenames indicate the encoding:
+ =============== =============== ===============
OBJECT TYPE PRINTABLE ENCODED
=============== =============== ===============
Index "I..." "J..."
Data "D..." "E..."
Special "S..." "T..."
+ =============== =============== ===============
Intermediate directories are always "@" or "+" as appropriate.
@@ -307,8 +288,7 @@ Note that CacheFiles will erase from the cache any file it doesn't recognise or
any file of an incorrect type (such as a FIFO file or a device file).
-==========================
-SECURITY MODEL AND SELINUX
+Security Model and SELinux
==========================
CacheFiles is implemented to deal properly with the LSM security features of
@@ -331,26 +311,26 @@ When the CacheFiles module is asked to bind to its cache, it:
(1) Finds the security label attached to the root cache directory and uses
that as the security label with which it will create files. By default,
- this is:
+ this is::
cachefiles_var_t
(2) Finds the security label of the process which issued the bind request
- (presumed to be the cachefilesd daemon), which by default will be:
+ (presumed to be the cachefilesd daemon), which by default will be::
cachefilesd_t
and asks LSM to supply a security ID as which it should act given the
- daemon's label. By default, this will be:
+ daemon's label. By default, this will be::
cachefiles_kernel_t
SELinux transitions the daemon's security ID to the module's security ID
- based on a rule of this form in the policy.
+ based on a rule of this form in the policy::
type_transition <daemon's-ID> kernel_t : process <module's-ID>;
- For instance:
+ For instance::
type_transition cachefilesd_t kernel_t : process cachefiles_kernel_t;
@@ -370,7 +350,7 @@ There are policy source files available in:
http://people.redhat.com/~dhowells/fscache/cachefilesd-0.8.tar.bz2
-and later versions. In that tarball, see the files:
+and later versions. In that tarball, see the files::
cachefilesd.te
cachefilesd.fc
@@ -379,7 +359,7 @@ and later versions. In that tarball, see the files:
They are built and installed directly by the RPM.
If a non-RPM based system is being used, then copy the above files to their own
-directory and run:
+directory and run::
make -f /usr/share/selinux/devel/Makefile
semodule -i cachefilesd.pp
@@ -394,7 +374,7 @@ an auxiliary policy must be installed to label the alternate location of the
cache.
For instructions on how to add an auxiliary policy to enable the cache to be
-located elsewhere when SELinux is in enforcing mode, please see:
+located elsewhere when SELinux is in enforcing mode, please see::
/usr/share/doc/cachefilesd-*/move-cache.txt
@@ -402,8 +382,7 @@ When the cachefilesd rpm is installed; alternatively, the document can be found
in the sources.
-==================
-A NOTE ON SECURITY
+A Note on Security
==================
CacheFiles makes use of the split security in the task_struct. It allocates
@@ -445,17 +424,18 @@ for CacheFiles to run in a context of a specific security label, or to create
files and directories with another security label.
-=======================
-STATISTICAL INFORMATION
+Statistical Information
=======================
-If FS-Cache is compiled with the following option enabled:
+If FS-Cache is compiled with the following option enabled::
CONFIG_CACHEFILES_HISTOGRAM=y
then it will gather certain statistics and display them through a proc file.
- (*) /proc/fs/cachefiles/histogram
+ /proc/fs/cachefiles/histogram
+
+ ::
cat /proc/fs/cachefiles/histogram
JIFS SECS LOOKUPS MKDIRS CREATES
@@ -465,36 +445,39 @@ then it will gather certain statistics and display them through a proc file.
between 0 jiffies and HZ-1 jiffies a variety of tasks took to run. The
columns are as follows:
+ ======= =======================================================
COLUMN TIME MEASUREMENT
======= =======================================================
LOOKUPS Length of time to perform a lookup on the backing fs
MKDIRS Length of time to perform a mkdir on the backing fs
CREATES Length of time to perform a create on the backing fs
+ ======= =======================================================
Each row shows the number of events that took a particular range of times.
Each step is 1 jiffy in size. The JIFS column indicates the particular
jiffy range covered, and the SECS field the equivalent number of seconds.
-=========
-DEBUGGING
+Debugging
=========
If CONFIG_CACHEFILES_DEBUG is enabled, the CacheFiles facility can have runtime
-debugging enabled by adjusting the value in:
+debugging enabled by adjusting the value in::
/sys/module/cachefiles/parameters/debug
This is a bitmask of debugging streams to enable:
+ ======= ======= =============================== =======================
BIT VALUE STREAM POINT
======= ======= =============================== =======================
0 1 General Function entry trace
1 2 Function exit trace
2 4 General
+ ======= ======= =============================== =======================
The appropriate set of values should be OR'd together and the result written to
-the control file. For example:
+the control file. For example::
echo $((1|4|8)) >/sys/module/cachefiles/parameters/debug
diff --git a/Documentation/filesystems/caching/fscache.rst b/Documentation/filesystems/caching/fscache.rst
new file mode 100644
index 000000000000..70de86922b6a
--- /dev/null
+++ b/Documentation/filesystems/caching/fscache.rst
@@ -0,0 +1,565 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+General Filesystem Caching
+==========================
+
+Overview
+========
+
+This facility is a general purpose cache for network filesystems, though it
+could be used for caching other things such as ISO9660 filesystems too.
+
+FS-Cache mediates between cache backends (such as CacheFS) and network
+filesystems::
+
+ +---------+
+ | | +--------------+
+ | NFS |--+ | |
+ | | | +-->| CacheFS |
+ +---------+ | +----------+ | | /dev/hda5 |
+ | | | | +--------------+
+ +---------+ +-->| | |
+ | | | |--+
+ | AFS |----->| FS-Cache |
+ | | | |--+
+ +---------+ +-->| | |
+ | | | | +--------------+
+ +---------+ | +----------+ | | |
+ | | | +-->| CacheFiles |
+ | ISOFS |--+ | /var/cache |
+ | | +--------------+
+ +---------+
+
+Or to look at it another way, FS-Cache is a module that provides a caching
+facility to a network filesystem such that the cache is transparent to the
+user::
+
+ +---------+
+ | |
+ | Server |
+ | |
+ +---------+
+ | NETWORK
+ ~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ |
+ | +----------+
+ V | |
+ +---------+ | |
+ | | | |
+ | NFS |----->| FS-Cache |
+ | | | |--+
+ +---------+ | | | +--------------+ +--------------+
+ | | | | | | | |
+ V +----------+ +-->| CacheFiles |-->| Ext3 |
+ +---------+ | /var/cache | | /dev/sda6 |
+ | | +--------------+ +--------------+
+ | VFS | ^ ^
+ | | | |
+ +---------+ +--------------+ |
+ | KERNEL SPACE | |
+ ~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~|~~~~
+ | USER SPACE | |
+ V | |
+ +---------+ +--------------+
+ | | | |
+ | Process | | cachefilesd |
+ | | | |
+ +---------+ +--------------+
+
+
+FS-Cache does not follow the idea of completely loading every netfs file
+opened in its entirety into a cache before permitting it to be accessed and
+then serving the pages out of that cache rather than the netfs inode because:
+
+ (1) It must be practical to operate without a cache.
+
+ (2) The size of any accessible file must not be limited to the size of the
+ cache.
+
+ (3) The combined size of all opened files (this includes mapped libraries)
+ must not be limited to the size of the cache.
+
+ (4) The user should not be forced to download an entire file just to do a
+ one-off access of a small portion of it (such as might be done with the
+ "file" program).
+
+It instead serves the cache out in PAGE_SIZE chunks as and when requested by
+the netfs('s) using it.
+
+
+FS-Cache provides the following facilities:
+
+ (1) More than one cache can be used at once. Caches can be selected
+ explicitly by use of tags.
+
+ (2) Caches can be added / removed at any time.
+
+ (3) The netfs is provided with an interface that allows either party to
+ withdraw caching facilities from a file (required for (2)).
+
+ (4) The interface to the netfs returns as few errors as possible, preferring
+ rather to let the netfs remain oblivious.
+
+ (5) Cookies are used to represent indices, files and other objects to the
+ netfs. The simplest cookie is just a NULL pointer - indicating nothing
+ cached there.
+
+ (6) The netfs is allowed to propose - dynamically - any index hierarchy it
+ desires, though it must be aware that the index search function is
+ recursive, stack space is limited, and indices can only be children of
+ indices.
+
+ (7) Data I/O is done direct to and from the netfs's pages. The netfs
+ indicates that page A is at index B of the data-file represented by cookie
+ C, and that it should be read or written. The cache backend may or may
+ not start I/O on that page, but if it does, a netfs callback will be
+ invoked to indicate completion. The I/O may be either synchronous or
+ asynchronous.
+
+ (8) Cookies can be "retired" upon release. At this point FS-Cache will mark
+ them as obsolete and the index hierarchy rooted at that point will get
+ recycled.
+
+ (9) The netfs provides a "match" function for index searches. In addition to
+ saying whether a match was made or not, this can also specify that an
+ entry should be updated or deleted.
+
+(10) As much as possible is done asynchronously.
+
+
+FS-Cache maintains a virtual indexing tree in which all indices, files, objects
+and pages are kept. Bits of this tree may actually reside in one or more
+caches::
+
+ FSDEF
+ |
+ +------------------------------------+
+ | |
+ NFS AFS
+ | |
+ +--------------------------+ +-----------+
+ | | | |
+ homedir mirror afs.org redhat.com
+ | | |
+ +------------+ +---------------+ +----------+
+ | | | | | |
+ 00001 00002 00007 00125 vol00001 vol00002
+ | | | | |
+ +---+---+ +-----+ +---+ +------+------+ +-----+----+
+ | | | | | | | | | | | | |
+ PG0 PG1 PG2 PG0 XATTR PG0 PG1 DIRENT DIRENT DIRENT R/W R/O Bak
+ | |
+ PG0 +-------+
+ | |
+ 00001 00003
+ |
+ +---+---+
+ | | |
+ PG0 PG1 PG2
+
+In the example above, you can see two netfs's being backed: NFS and AFS. These
+have different index hierarchies:
+
+ * The NFS primary index contains per-server indices. Each server index is
+ indexed by NFS file handles to get data file objects. Each data file
+ objects can have an array of pages, but may also have further child
+ objects, such as extended attributes and directory entries. Extended
+ attribute objects themselves have page-array contents.
+
+ * The AFS primary index contains per-cell indices. Each cell index contains
+ per-logical-volume indices. Each of volume index contains up to three
+ indices for the read-write, read-only and backup mirrors of those volumes.
+ Each of these contains vnode data file objects, each of which contains an
+ array of pages.
+
+The very top index is the FS-Cache master index in which individual netfs's
+have entries.
+
+Any index object may reside in more than one cache, provided it only has index
+children. Any index with non-index object children will be assumed to only
+reside in one cache.
+
+
+The netfs API to FS-Cache can be found in:
+
+ Documentation/filesystems/caching/netfs-api.rst
+
+The cache backend API to FS-Cache can be found in:
+
+ Documentation/filesystems/caching/backend-api.rst
+
+A description of the internal representations and object state machine can be
+found in:
+
+ Documentation/filesystems/caching/object.rst
+
+
+Statistical Information
+=======================
+
+If FS-Cache is compiled with the following options enabled::
+
+ CONFIG_FSCACHE_STATS=y
+ CONFIG_FSCACHE_HISTOGRAM=y
+
+then it will gather certain statistics and display them through a number of
+proc files.
+
+/proc/fs/fscache/stats
+----------------------
+
+ This shows counts of a number of events that can happen in FS-Cache:
+
++--------------+-------+-------------------------------------------------------+
+|CLASS |EVENT |MEANING |
++==============+=======+=======================================================+
+|Cookies |idx=N |Number of index cookies allocated |
++ +-------+-------------------------------------------------------+
+| |dat=N |Number of data storage cookies allocated |
++ +-------+-------------------------------------------------------+
+| |spc=N |Number of special cookies allocated |
++--------------+-------+-------------------------------------------------------+
+|Objects |alc=N |Number of objects allocated |
++ +-------+-------------------------------------------------------+
+| |nal=N |Number of object allocation failures |
++ +-------+-------------------------------------------------------+
+| |avl=N |Number of objects that reached the available state |
++ +-------+-------------------------------------------------------+
+| |ded=N |Number of objects that reached the dead state |
++--------------+-------+-------------------------------------------------------+
+|ChkAux |non=N |Number of objects that didn't have a coherency check |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of objects that passed a coherency check |
++ +-------+-------------------------------------------------------+
+| |upd=N |Number of objects that needed a coherency data update |
++ +-------+-------------------------------------------------------+
+| |obs=N |Number of objects that were declared obsolete |
++--------------+-------+-------------------------------------------------------+
+|Pages |mrk=N |Number of pages marked as being cached |
+| |unc=N |Number of uncache page requests seen |
++--------------+-------+-------------------------------------------------------+
+|Acquire |n=N |Number of acquire cookie requests seen |
++ +-------+-------------------------------------------------------+
+| |nul=N |Number of acq reqs given a NULL parent |
++ +-------+-------------------------------------------------------+
+| |noc=N |Number of acq reqs rejected due to no cache available |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of acq reqs succeeded |
++ +-------+-------------------------------------------------------+
+| |nbf=N |Number of acq reqs rejected due to error |
++ +-------+-------------------------------------------------------+
+| |oom=N |Number of acq reqs failed on ENOMEM |
++--------------+-------+-------------------------------------------------------+
+|Lookups |n=N |Number of lookup calls made on cache backends |
++ +-------+-------------------------------------------------------+
+| |neg=N |Number of negative lookups made |
++ +-------+-------------------------------------------------------+
+| |pos=N |Number of positive lookups made |
++ +-------+-------------------------------------------------------+
+| |crt=N |Number of objects created by lookup |
++ +-------+-------------------------------------------------------+
+| |tmo=N |Number of lookups timed out and requeued |
++--------------+-------+-------------------------------------------------------+
+|Updates |n=N |Number of update cookie requests seen |
++ +-------+-------------------------------------------------------+
+| |nul=N |Number of upd reqs given a NULL parent |
++ +-------+-------------------------------------------------------+
+| |run=N |Number of upd reqs granted CPU time |
++--------------+-------+-------------------------------------------------------+
+|Relinqs |n=N |Number of relinquish cookie requests seen |
++ +-------+-------------------------------------------------------+
+| |nul=N |Number of rlq reqs given a NULL parent |
++ +-------+-------------------------------------------------------+
+| |wcr=N |Number of rlq reqs waited on completion of creation |
++--------------+-------+-------------------------------------------------------+
+|AttrChg |n=N |Number of attribute changed requests seen |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of attr changed requests queued |
++ +-------+-------------------------------------------------------+
+| |nbf=N |Number of attr changed rejected -ENOBUFS |
++ +-------+-------------------------------------------------------+
+| |oom=N |Number of attr changed failed -ENOMEM |
++ +-------+-------------------------------------------------------+
+| |run=N |Number of attr changed ops given CPU time |
++--------------+-------+-------------------------------------------------------+
+|Allocs |n=N |Number of allocation requests seen |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of successful alloc reqs |
++ +-------+-------------------------------------------------------+
+| |wt=N |Number of alloc reqs that waited on lookup completion |
++ +-------+-------------------------------------------------------+
+| |nbf=N |Number of alloc reqs rejected -ENOBUFS |
++ +-------+-------------------------------------------------------+
+| |int=N |Number of alloc reqs aborted -ERESTARTSYS |
++ +-------+-------------------------------------------------------+
+| |ops=N |Number of alloc reqs submitted |
++ +-------+-------------------------------------------------------+
+| |owt=N |Number of alloc reqs waited for CPU time |
++ +-------+-------------------------------------------------------+
+| |abt=N |Number of alloc reqs aborted due to object death |
++--------------+-------+-------------------------------------------------------+
+|Retrvls |n=N |Number of retrieval (read) requests seen |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of successful retr reqs |
++ +-------+-------------------------------------------------------+
+| |wt=N |Number of retr reqs that waited on lookup completion |
++ +-------+-------------------------------------------------------+
+| |nod=N |Number of retr reqs returned -ENODATA |
++ +-------+-------------------------------------------------------+
+| |nbf=N |Number of retr reqs rejected -ENOBUFS |
++ +-------+-------------------------------------------------------+
+| |int=N |Number of retr reqs aborted -ERESTARTSYS |
++ +-------+-------------------------------------------------------+
+| |oom=N |Number of retr reqs failed -ENOMEM |
++ +-------+-------------------------------------------------------+
+| |ops=N |Number of retr reqs submitted |
++ +-------+-------------------------------------------------------+
+| |owt=N |Number of retr reqs waited for CPU time |
++ +-------+-------------------------------------------------------+
+| |abt=N |Number of retr reqs aborted due to object death |
++--------------+-------+-------------------------------------------------------+
+|Stores |n=N |Number of storage (write) requests seen |
++ +-------+-------------------------------------------------------+
+| |ok=N |Number of successful store reqs |
++ +-------+-------------------------------------------------------+
+| |agn=N |Number of store reqs on a page already pending storage |
++ +-------+-------------------------------------------------------+
+| |nbf=N |Number of store reqs rejected -ENOBUFS |
++ +-------+-------------------------------------------------------+
+| |oom=N |Number of store reqs failed -ENOMEM |
++ +-------+-------------------------------------------------------+
+| |ops=N |Number of store reqs submitted |
++ +-------+-------------------------------------------------------+
+| |run=N |Number of store reqs granted CPU time |
++ +-------+-------------------------------------------------------+
+| |pgs=N |Number of pages given store req processing time |
++ +-------+-------------------------------------------------------+
+| |rxd=N |Number of store reqs deleted from tracking tree |
++ +-------+-------------------------------------------------------+
+| |olm=N |Number of store reqs over store limit |
++--------------+-------+-------------------------------------------------------+
+|VmScan |nos=N |Number of release reqs against pages with no |
+| | |pending store |
++ +-------+-------------------------------------------------------+
+| |gon=N |Number of release reqs against pages stored by |
+| | |time lock granted |
++ +-------+-------------------------------------------------------+
+| |bsy=N |Number of release reqs ignored due to in-progress store|
++ +-------+-------------------------------------------------------+
+| |can=N |Number of page stores cancelled due to release req |
++--------------+-------+-------------------------------------------------------+
+|Ops |pend=N |Number of times async ops added to pending queues |
++ +-------+-------------------------------------------------------+
+| |run=N |Number of times async ops given CPU time |
++ +-------+-------------------------------------------------------+
+| |enq=N |Number of times async ops queued for processing |
++ +-------+-------------------------------------------------------+
+| |can=N |Number of async ops cancelled |
++ +-------+-------------------------------------------------------+
+| |rej=N |Number of async ops rejected due to object |
+| | |lookup/create failure |
++ +-------+-------------------------------------------------------+
+| |ini=N |Number of async ops initialised |
++ +-------+-------------------------------------------------------+
+| |dfr=N |Number of async ops queued for deferred release |
++ +-------+-------------------------------------------------------+
+| |rel=N |Number of async ops released |
+| | |(should equal ini=N when idle) |
++ +-------+-------------------------------------------------------+
+| |gc=N |Number of deferred-release async ops garbage collected |
++--------------+-------+-------------------------------------------------------+
+|CacheOp |alo=N |Number of in-progress alloc_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |luo=N |Number of in-progress lookup_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |luc=N |Number of in-progress lookup_complete() cache ops |
++ +-------+-------------------------------------------------------+
+| |gro=N |Number of in-progress grab_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |upo=N |Number of in-progress update_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |dro=N |Number of in-progress drop_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |pto=N |Number of in-progress put_object() cache ops |
++ +-------+-------------------------------------------------------+
+| |syn=N |Number of in-progress sync_cache() cache ops |
++ +-------+-------------------------------------------------------+
+| |atc=N |Number of in-progress attr_changed() cache ops |
++ +-------+-------------------------------------------------------+
+| |rap=N |Number of in-progress read_or_alloc_page() cache ops |
++ +-------+-------------------------------------------------------+
+| |ras=N |Number of in-progress read_or_alloc_pages() cache ops |
++ +-------+-------------------------------------------------------+
+| |alp=N |Number of in-progress allocate_page() cache ops |
++ +-------+-------------------------------------------------------+
+| |als=N |Number of in-progress allocate_pages() cache ops |
++ +-------+-------------------------------------------------------+
+| |wrp=N |Number of in-progress write_page() cache ops |
++ +-------+-------------------------------------------------------+
+| |ucp=N |Number of in-progress uncache_page() cache ops |
++ +-------+-------------------------------------------------------+
+| |dsp=N |Number of in-progress dissociate_pages() cache ops |
++--------------+-------+-------------------------------------------------------+
+|CacheEv |nsp=N |Number of object lookups/creations rejected due to |
+| | |lack of space |
++ +-------+-------------------------------------------------------+
+| |stl=N |Number of stale objects deleted |
++ +-------+-------------------------------------------------------+
+| |rtr=N |Number of objects retired when relinquished |
++ +-------+-------------------------------------------------------+
+| |cul=N |Number of objects culled |
++--------------+-------+-------------------------------------------------------+
+
+
+
+/proc/fs/fscache/histogram
+--------------------------
+
+ ::
+
+ cat /proc/fs/fscache/histogram
+ JIFS SECS OBJ INST OP RUNS OBJ RUNS RETRV DLY RETRIEVLS
+ ===== ===== ========= ========= ========= ========= =========
+
+ This shows the breakdown of the number of times each amount of time
+ between 0 jiffies and HZ-1 jiffies a variety of tasks took to run. The
+ columns are as follows:
+
+ ========= =======================================================
+ COLUMN TIME MEASUREMENT
+ ========= =======================================================
+ OBJ INST Length of time to instantiate an object
+ OP RUNS Length of time a call to process an operation took
+ OBJ RUNS Length of time a call to process an object event took
+ RETRV DLY Time between an requesting a read and lookup completing
+ RETRIEVLS Time between beginning and end of a retrieval
+ ========= =======================================================
+
+ Each row shows the number of events that took a particular range of times.
+ Each step is 1 jiffy in size. The JIFS column indicates the particular
+ jiffy range covered, and the SECS field the equivalent number of seconds.
+
+
+
+Object List
+===========
+
+If CONFIG_FSCACHE_OBJECT_LIST is enabled, the FS-Cache facility will maintain a
+list of all the objects currently allocated and allow them to be viewed
+through::
+
+ /proc/fs/fscache/objects
+
+This will look something like::
+
+ [root@andromeda ~]# head /proc/fs/fscache/objects
+ OBJECT PARENT STAT CHLDN OPS OOP IPR EX READS EM EV F S | NETFS_COOKIE_DEF TY FL NETFS_DATA OBJECT_KEY, AUX_DATA
+ ======== ======== ==== ===== === === === == ===== == == = = | ================ == == ================ ================
+ 17e4b 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88001dd82820 010006017edcf8bbc93b43298fdfbe71e50b57b13a172c0117f38472, e567634700000000000000000000000063f2404a000000000000000000000000c9030000000000000000000063f2404a
+ 1693a 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88002db23380 010006017edcf8bbc93b43298fdfbe71e50b57b1e0162c01a2df0ea6, 420ebc4a000000000000000000000000420ebc4a0000000000000000000000000e1801000000000000000000420ebc4a
+
+where the first set of columns before the '|' describe the object:
+
+ ======= ===============================================================
+ COLUMN DESCRIPTION
+ ======= ===============================================================
+ OBJECT Object debugging ID (appears as OBJ%x in some debug messages)
+ PARENT Debugging ID of parent object
+ STAT Object state
+ CHLDN Number of child objects of this object
+ OPS Number of outstanding operations on this object
+ OOP Number of outstanding child object management operations
+ IPR
+ EX Number of outstanding exclusive operations
+ READS Number of outstanding read operations
+ EM Object's event mask
+ EV Events raised on this object
+ F Object flags
+ S Object work item busy state mask (1:pending 2:running)
+ ======= ===============================================================
+
+and the second set of columns describe the object's cookie, if present:
+
+ ================ ======================================================
+ COLUMN DESCRIPTION
+ ================ ======================================================
+ NETFS_COOKIE_DEF Name of netfs cookie definition
+ TY Cookie type (IX - index, DT - data, hex - special)
+ FL Cookie flags
+ NETFS_DATA Netfs private data stored in the cookie
+ OBJECT_KEY Object key } 1 column, with separating comma
+ AUX_DATA Object aux data } presence may be configured
+ ================ ======================================================
+
+The data shown may be filtered by attaching the a key to an appropriate keyring
+before viewing the file. Something like::
+
+ keyctl add user fscache:objlist <restrictions> @s
+
+where <restrictions> are a selection of the following letters:
+
+ == =========================================================
+ K Show hexdump of object key (don't show if not given)
+ A Show hexdump of object aux data (don't show if not given)
+ == =========================================================
+
+and the following paired letters:
+
+ == =========================================================
+ C Show objects that have a cookie
+ c Show objects that don't have a cookie
+ B Show objects that are busy
+ b Show objects that aren't busy
+ W Show objects that have pending writes
+ w Show objects that don't have pending writes
+ R Show objects that have outstanding reads
+ r Show objects that don't have outstanding reads
+ S Show objects that have work queued
+ s Show objects that don't have work queued
+ == =========================================================
+
+If neither side of a letter pair is given, then both are implied. For example:
+
+ keyctl add user fscache:objlist KB @s
+
+shows objects that are busy, and lists their object keys, but does not dump
+their auxiliary data. It also implies "CcWwRrSs", but as 'B' is given, 'b' is
+not implied.
+
+By default all objects and all fields will be shown.
+
+
+Debugging
+=========
+
+If CONFIG_FSCACHE_DEBUG is enabled, the FS-Cache facility can have runtime
+debugging enabled by adjusting the value in::
+
+ /sys/module/fscache/parameters/debug
+
+This is a bitmask of debugging streams to enable:
+
+ ======= ======= =============================== =======================
+ BIT VALUE STREAM POINT
+ ======= ======= =============================== =======================
+ 0 1 Cache management Function entry trace
+ 1 2 Function exit trace
+ 2 4 General
+ 3 8 Cookie management Function entry trace
+ 4 16 Function exit trace
+ 5 32 General
+ 6 64 Page handling Function entry trace
+ 7 128 Function exit trace
+ 8 256 General
+ 9 512 Operation management Function entry trace
+ 10 1024 Function exit trace
+ 11 2048 General
+ ======= ======= =============================== =======================
+
+The appropriate set of values should be OR'd together and the result written to
+the control file. For example::
+
+ echo $((1|8|64)) >/sys/module/fscache/parameters/debug
+
+will turn on all function entry debugging.
diff --git a/Documentation/filesystems/caching/fscache.txt b/Documentation/filesystems/caching/fscache.txt
deleted file mode 100644
index 50f0a5757f48..000000000000
--- a/Documentation/filesystems/caching/fscache.txt
+++ /dev/null
@@ -1,448 +0,0 @@
- ==========================
- General Filesystem Caching
- ==========================
-
-========
-OVERVIEW
-========
-
-This facility is a general purpose cache for network filesystems, though it
-could be used for caching other things such as ISO9660 filesystems too.
-
-FS-Cache mediates between cache backends (such as CacheFS) and network
-filesystems:
-
- +---------+
- | | +--------------+
- | NFS |--+ | |
- | | | +-->| CacheFS |
- +---------+ | +----------+ | | /dev/hda5 |
- | | | | +--------------+
- +---------+ +-->| | |
- | | | |--+
- | AFS |----->| FS-Cache |
- | | | |--+
- +---------+ +-->| | |
- | | | | +--------------+
- +---------+ | +----------+ | | |
- | | | +-->| CacheFiles |
- | ISOFS |--+ | /var/cache |
- | | +--------------+
- +---------+
-
-Or to look at it another way, FS-Cache is a module that provides a caching
-facility to a network filesystem such that the cache is transparent to the
-user:
-
- +---------+
- | |
- | Server |
- | |
- +---------+
- | NETWORK
- ~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- |
- | +----------+
- V | |
- +---------+ | |
- | | | |
- | NFS |----->| FS-Cache |
- | | | |--+
- +---------+ | | | +--------------+ +--------------+
- | | | | | | | |
- V +----------+ +-->| CacheFiles |-->| Ext3 |
- +---------+ | /var/cache | | /dev/sda6 |
- | | +--------------+ +--------------+
- | VFS | ^ ^
- | | | |
- +---------+ +--------------+ |
- | KERNEL SPACE | |
- ~~~~~|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|~~~~~~|~~~~
- | USER SPACE | |
- V | |
- +---------+ +--------------+
- | | | |
- | Process | | cachefilesd |
- | | | |
- +---------+ +--------------+
-
-
-FS-Cache does not follow the idea of completely loading every netfs file
-opened in its entirety into a cache before permitting it to be accessed and
-then serving the pages out of that cache rather than the netfs inode because:
-
- (1) It must be practical to operate without a cache.
-
- (2) The size of any accessible file must not be limited to the size of the
- cache.
-
- (3) The combined size of all opened files (this includes mapped libraries)
- must not be limited to the size of the cache.
-
- (4) The user should not be forced to download an entire file just to do a
- one-off access of a small portion of it (such as might be done with the
- "file" program).
-
-It instead serves the cache out in PAGE_SIZE chunks as and when requested by
-the netfs('s) using it.
-
-
-FS-Cache provides the following facilities:
-
- (1) More than one cache can be used at once. Caches can be selected
- explicitly by use of tags.
-
- (2) Caches can be added / removed at any time.
-
- (3) The netfs is provided with an interface that allows either party to
- withdraw caching facilities from a file (required for (2)).
-
- (4) The interface to the netfs returns as few errors as possible, preferring
- rather to let the netfs remain oblivious.
-
- (5) Cookies are used to represent indices, files and other objects to the
- netfs. The simplest cookie is just a NULL pointer - indicating nothing
- cached there.
-
- (6) The netfs is allowed to propose - dynamically - any index hierarchy it
- desires, though it must be aware that the index search function is
- recursive, stack space is limited, and indices can only be children of
- indices.
-
- (7) Data I/O is done direct to and from the netfs's pages. The netfs
- indicates that page A is at index B of the data-file represented by cookie
- C, and that it should be read or written. The cache backend may or may
- not start I/O on that page, but if it does, a netfs callback will be
- invoked to indicate completion. The I/O may be either synchronous or
- asynchronous.
-
- (8) Cookies can be "retired" upon release. At this point FS-Cache will mark
- them as obsolete and the index hierarchy rooted at that point will get
- recycled.
-
- (9) The netfs provides a "match" function for index searches. In addition to
- saying whether a match was made or not, this can also specify that an
- entry should be updated or deleted.
-
-(10) As much as possible is done asynchronously.
-
-
-FS-Cache maintains a virtual indexing tree in which all indices, files, objects
-and pages are kept. Bits of this tree may actually reside in one or more
-caches.
-
- FSDEF
- |
- +------------------------------------+
- | |
- NFS AFS
- | |
- +--------------------------+ +-----------+
- | | | |
- homedir mirror afs.org redhat.com
- | | |
- +------------+ +---------------+ +----------+
- | | | | | |
- 00001 00002 00007 00125 vol00001 vol00002
- | | | | |
- +---+---+ +-----+ +---+ +------+------+ +-----+----+
- | | | | | | | | | | | | |
-PG0 PG1 PG2 PG0 XATTR PG0 PG1 DIRENT DIRENT DIRENT R/W R/O Bak
- | |
- PG0 +-------+
- | |
- 00001 00003
- |
- +---+---+
- | | |
- PG0 PG1 PG2
-
-In the example above, you can see two netfs's being backed: NFS and AFS. These
-have different index hierarchies:
-
- (*) The NFS primary index contains per-server indices. Each server index is
- indexed by NFS file handles to get data file objects. Each data file
- objects can have an array of pages, but may also have further child
- objects, such as extended attributes and directory entries. Extended
- attribute objects themselves have page-array contents.
-
- (*) The AFS primary index contains per-cell indices. Each cell index contains
- per-logical-volume indices. Each of volume index contains up to three
- indices for the read-write, read-only and backup mirrors of those volumes.
- Each of these contains vnode data file objects, each of which contains an
- array of pages.
-
-The very top index is the FS-Cache master index in which individual netfs's
-have entries.
-
-Any index object may reside in more than one cache, provided it only has index
-children. Any index with non-index object children will be assumed to only
-reside in one cache.
-
-
-The netfs API to FS-Cache can be found in:
-
- Documentation/filesystems/caching/netfs-api.txt
-
-The cache backend API to FS-Cache can be found in:
-
- Documentation/filesystems/caching/backend-api.txt
-
-A description of the internal representations and object state machine can be
-found in:
-
- Documentation/filesystems/caching/object.txt
-
-
-=======================
-STATISTICAL INFORMATION
-=======================
-
-If FS-Cache is compiled with the following options enabled:
-
- CONFIG_FSCACHE_STATS=y
- CONFIG_FSCACHE_HISTOGRAM=y
-
-then it will gather certain statistics and display them through a number of
-proc files.
-
- (*) /proc/fs/fscache/stats
-
- This shows counts of a number of events that can happen in FS-Cache:
-
- CLASS EVENT MEANING
- ======= ======= =======================================================
- Cookies idx=N Number of index cookies allocated
- dat=N Number of data storage cookies allocated
- spc=N Number of special cookies allocated
- Objects alc=N Number of objects allocated
- nal=N Number of object allocation failures
- avl=N Number of objects that reached the available state
- ded=N Number of objects that reached the dead state
- ChkAux non=N Number of objects that didn't have a coherency check
- ok=N Number of objects that passed a coherency check
- upd=N Number of objects that needed a coherency data update
- obs=N Number of objects that were declared obsolete
- Pages mrk=N Number of pages marked as being cached
- unc=N Number of uncache page requests seen
- Acquire n=N Number of acquire cookie requests seen
- nul=N Number of acq reqs given a NULL parent
- noc=N Number of acq reqs rejected due to no cache available
- ok=N Number of acq reqs succeeded
- nbf=N Number of acq reqs rejected due to error
- oom=N Number of acq reqs failed on ENOMEM
- Lookups n=N Number of lookup calls made on cache backends
- neg=N Number of negative lookups made
- pos=N Number of positive lookups made
- crt=N Number of objects created by lookup
- tmo=N Number of lookups timed out and requeued
- Updates n=N Number of update cookie requests seen
- nul=N Number of upd reqs given a NULL parent
- run=N Number of upd reqs granted CPU time
- Relinqs n=N Number of relinquish cookie requests seen
- nul=N Number of rlq reqs given a NULL parent
- wcr=N Number of rlq reqs waited on completion of creation
- AttrChg n=N Number of attribute changed requests seen
- ok=N Number of attr changed requests queued
- nbf=N Number of attr changed rejected -ENOBUFS
- oom=N Number of attr changed failed -ENOMEM
- run=N Number of attr changed ops given CPU time
- Allocs n=N Number of allocation requests seen
- ok=N Number of successful alloc reqs
- wt=N Number of alloc reqs that waited on lookup completion
- nbf=N Number of alloc reqs rejected -ENOBUFS
- int=N Number of alloc reqs aborted -ERESTARTSYS
- ops=N Number of alloc reqs submitted
- owt=N Number of alloc reqs waited for CPU time
- abt=N Number of alloc reqs aborted due to object death
- Retrvls n=N Number of retrieval (read) requests seen
- ok=N Number of successful retr reqs
- wt=N Number of retr reqs that waited on lookup completion
- nod=N Number of retr reqs returned -ENODATA
- nbf=N Number of retr reqs rejected -ENOBUFS
- int=N Number of retr reqs aborted -ERESTARTSYS
- oom=N Number of retr reqs failed -ENOMEM
- ops=N Number of retr reqs submitted
- owt=N Number of retr reqs waited for CPU time
- abt=N Number of retr reqs aborted due to object death
- Stores n=N Number of storage (write) requests seen
- ok=N Number of successful store reqs
- agn=N Number of store reqs on a page already pending storage
- nbf=N Number of store reqs rejected -ENOBUFS
- oom=N Number of store reqs failed -ENOMEM
- ops=N Number of store reqs submitted
- run=N Number of store reqs granted CPU time
- pgs=N Number of pages given store req processing time
- rxd=N Number of store reqs deleted from tracking tree
- olm=N Number of store reqs over store limit
- VmScan nos=N Number of release reqs against pages with no pending store
- gon=N Number of release reqs against pages stored by time lock granted
- bsy=N Number of release reqs ignored due to in-progress store
- can=N Number of page stores cancelled due to release req
- Ops pend=N Number of times async ops added to pending queues
- run=N Number of times async ops given CPU time
- enq=N Number of times async ops queued for processing
- can=N Number of async ops cancelled
- rej=N Number of async ops rejected due to object lookup/create failure
- ini=N Number of async ops initialised
- dfr=N Number of async ops queued for deferred release
- rel=N Number of async ops released (should equal ini=N when idle)
- gc=N Number of deferred-release async ops garbage collected
- CacheOp alo=N Number of in-progress alloc_object() cache ops
- luo=N Number of in-progress lookup_object() cache ops
- luc=N Number of in-progress lookup_complete() cache ops
- gro=N Number of in-progress grab_object() cache ops
- upo=N Number of in-progress update_object() cache ops
- dro=N Number of in-progress drop_object() cache ops
- pto=N Number of in-progress put_object() cache ops
- syn=N Number of in-progress sync_cache() cache ops
- atc=N Number of in-progress attr_changed() cache ops
- rap=N Number of in-progress read_or_alloc_page() cache ops
- ras=N Number of in-progress read_or_alloc_pages() cache ops
- alp=N Number of in-progress allocate_page() cache ops
- als=N Number of in-progress allocate_pages() cache ops
- wrp=N Number of in-progress write_page() cache ops
- ucp=N Number of in-progress uncache_page() cache ops
- dsp=N Number of in-progress dissociate_pages() cache ops
- CacheEv nsp=N Number of object lookups/creations rejected due to lack of space
- stl=N Number of stale objects deleted
- rtr=N Number of objects retired when relinquished
- cul=N Number of objects culled
-
-
- (*) /proc/fs/fscache/histogram
-
- cat /proc/fs/fscache/histogram
- JIFS SECS OBJ INST OP RUNS OBJ RUNS RETRV DLY RETRIEVLS
- ===== ===== ========= ========= ========= ========= =========
-
- This shows the breakdown of the number of times each amount of time
- between 0 jiffies and HZ-1 jiffies a variety of tasks took to run. The
- columns are as follows:
-
- COLUMN TIME MEASUREMENT
- ======= =======================================================
- OBJ INST Length of time to instantiate an object
- OP RUNS Length of time a call to process an operation took
- OBJ RUNS Length of time a call to process an object event took
- RETRV DLY Time between an requesting a read and lookup completing
- RETRIEVLS Time between beginning and end of a retrieval
-
- Each row shows the number of events that took a particular range of times.
- Each step is 1 jiffy in size. The JIFS column indicates the particular
- jiffy range covered, and the SECS field the equivalent number of seconds.
-
-
-===========
-OBJECT LIST
-===========
-
-If CONFIG_FSCACHE_OBJECT_LIST is enabled, the FS-Cache facility will maintain a
-list of all the objects currently allocated and allow them to be viewed
-through:
-
- /proc/fs/fscache/objects
-
-This will look something like:
-
- [root@andromeda ~]# head /proc/fs/fscache/objects
- OBJECT PARENT STAT CHLDN OPS OOP IPR EX READS EM EV F S | NETFS_COOKIE_DEF TY FL NETFS_DATA OBJECT_KEY, AUX_DATA
- ======== ======== ==== ===== === === === == ===== == == = = | ================ == == ================ ================
- 17e4b 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88001dd82820 010006017edcf8bbc93b43298fdfbe71e50b57b13a172c0117f38472, e567634700000000000000000000000063f2404a000000000000000000000000c9030000000000000000000063f2404a
- 1693a 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88002db23380 010006017edcf8bbc93b43298fdfbe71e50b57b1e0162c01a2df0ea6, 420ebc4a000000000000000000000000420ebc4a0000000000000000000000000e1801000000000000000000420ebc4a
-
-where the first set of columns before the '|' describe the object:
-
- COLUMN DESCRIPTION
- ======= ===============================================================
- OBJECT Object debugging ID (appears as OBJ%x in some debug messages)
- PARENT Debugging ID of parent object
- STAT Object state
- CHLDN Number of child objects of this object
- OPS Number of outstanding operations on this object
- OOP Number of outstanding child object management operations
- IPR
- EX Number of outstanding exclusive operations
- READS Number of outstanding read operations
- EM Object's event mask
- EV Events raised on this object
- F Object flags
- S Object work item busy state mask (1:pending 2:running)
-
-and the second set of columns describe the object's cookie, if present:
-
- COLUMN DESCRIPTION
- =============== =======================================================
- NETFS_COOKIE_DEF Name of netfs cookie definition
- TY Cookie type (IX - index, DT - data, hex - special)
- FL Cookie flags
- NETFS_DATA Netfs private data stored in the cookie
- OBJECT_KEY Object key } 1 column, with separating comma
- AUX_DATA Object aux data } presence may be configured
-
-The data shown may be filtered by attaching the a key to an appropriate keyring
-before viewing the file. Something like:
-
- keyctl add user fscache:objlist <restrictions> @s
-
-where <restrictions> are a selection of the following letters:
-
- K Show hexdump of object key (don't show if not given)
- A Show hexdump of object aux data (don't show if not given)
-
-and the following paired letters:
-
- C Show objects that have a cookie
- c Show objects that don't have a cookie
- B Show objects that are busy
- b Show objects that aren't busy
- W Show objects that have pending writes
- w Show objects that don't have pending writes
- R Show objects that have outstanding reads
- r Show objects that don't have outstanding reads
- S Show objects that have work queued
- s Show objects that don't have work queued
-
-If neither side of a letter pair is given, then both are implied. For example:
-
- keyctl add user fscache:objlist KB @s
-
-shows objects that are busy, and lists their object keys, but does not dump
-their auxiliary data. It also implies "CcWwRrSs", but as 'B' is given, 'b' is
-not implied.
-
-By default all objects and all fields will be shown.
-
-
-=========
-DEBUGGING
-=========
-
-If CONFIG_FSCACHE_DEBUG is enabled, the FS-Cache facility can have runtime
-debugging enabled by adjusting the value in:
-
- /sys/module/fscache/parameters/debug
-
-This is a bitmask of debugging streams to enable:
-
- BIT VALUE STREAM POINT
- ======= ======= =============================== =======================
- 0 1 Cache management Function entry trace
- 1 2 Function exit trace
- 2 4 General
- 3 8 Cookie management Function entry trace
- 4 16 Function exit trace
- 5 32 General
- 6 64 Page handling Function entry trace
- 7 128 Function exit trace
- 8 256 General
- 9 512 Operation management Function entry trace
- 10 1024 Function exit trace
- 11 2048 General
-
-The appropriate set of values should be OR'd together and the result written to
-the control file. For example:
-
- echo $((1|8|64)) >/sys/module/fscache/parameters/debug
-
-will turn on all function entry debugging.
diff --git a/Documentation/filesystems/caching/index.rst b/Documentation/filesystems/caching/index.rst
new file mode 100644
index 000000000000..033da7ac7c6e
--- /dev/null
+++ b/Documentation/filesystems/caching/index.rst
@@ -0,0 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+Filesystem Caching
+==================
+
+.. toctree::
+ :maxdepth: 2
+
+ fscache
+ object
+ backend-api
+ cachefiles
+ netfs-api
+ operations
diff --git a/Documentation/filesystems/caching/netfs-api.txt b/Documentation/filesystems/caching/netfs-api.rst
index ba968e8f5704..d9f14b8610ba 100644
--- a/Documentation/filesystems/caching/netfs-api.txt
+++ b/Documentation/filesystems/caching/netfs-api.rst
@@ -1,6 +1,8 @@
- ===============================
- FS-CACHE NETWORK FILESYSTEM API
- ===============================
+.. SPDX-License-Identifier: GPL-2.0
+
+===============================
+FS-Cache Network Filesystem API
+===============================
There's an API by which a network filesystem can make use of the FS-Cache
facilities. This is based around a number of principles:
@@ -19,7 +21,7 @@ facilities. This is based around a number of principles:
This API is declared in <linux/fscache.h>.
-This document contains the following sections:
+.. This document contains the following sections:
(1) Network filesystem definition
(2) Index definition
@@ -41,12 +43,11 @@ This document contains the following sections:
(18) FS-Cache specific page flags.
-=============================
-NETWORK FILESYSTEM DEFINITION
+Network Filesystem Definition
=============================
FS-Cache needs a description of the network filesystem. This is specified
-using a record of the following structure:
+using a record of the following structure::
struct fscache_netfs {
uint32_t version;
@@ -71,7 +72,7 @@ The fields are:
another parameter passed into the registration function.
For example, kAFS (linux/fs/afs/) uses the following definitions to describe
-itself:
+itself::
struct fscache_netfs afs_cache_netfs = {
.version = 0,
@@ -79,8 +80,7 @@ itself:
};
-================
-INDEX DEFINITION
+Index Definition
================
Indices are used for two purposes:
@@ -114,11 +114,10 @@ There are some limits on indices:
function is recursive. Too many layers will run the kernel out of stack.
-=================
-OBJECT DEFINITION
+Object Definition
=================
-To define an object, a structure of the following type should be filled out:
+To define an object, a structure of the following type should be filled out::
struct fscache_cookie_def
{
@@ -149,16 +148,13 @@ This has the following fields:
This is one of the following values:
- (*) FSCACHE_COOKIE_TYPE_INDEX
-
+ FSCACHE_COOKIE_TYPE_INDEX
This defines an index, which is a special FS-Cache type.
- (*) FSCACHE_COOKIE_TYPE_DATAFILE
-
+ FSCACHE_COOKIE_TYPE_DATAFILE
This defines an ordinary data file.
- (*) Any other value between 2 and 255
-
+ Any other value between 2 and 255
This defines an extraordinary object such as an XATTR.
(2) The name of the object type (NUL terminated unless all 16 chars are used)
@@ -192,9 +188,14 @@ This has the following fields:
If present, the function should return one of the following values:
- (*) FSCACHE_CHECKAUX_OKAY - the entry is okay as is
- (*) FSCACHE_CHECKAUX_NEEDS_UPDATE - the entry requires update
- (*) FSCACHE_CHECKAUX_OBSOLETE - the entry should be deleted
+ FSCACHE_CHECKAUX_OKAY
+ - the entry is okay as is
+
+ FSCACHE_CHECKAUX_NEEDS_UPDATE
+ - the entry requires update
+
+ FSCACHE_CHECKAUX_OBSOLETE
+ - the entry should be deleted
This function can also be used to extract data from the auxiliary data in
the cache and copy it into the netfs's structures.
@@ -236,32 +237,30 @@ This has the following fields:
This function is not required for indices as they're not permitted data.
-===================================
-NETWORK FILESYSTEM (UN)REGISTRATION
+Network Filesystem (Un)registration
===================================
The first step is to declare the network filesystem to the cache. This also
involves specifying the layout of the primary index (for AFS, this would be the
"cell" level).
-The registration function is:
+The registration function is::
int fscache_register_netfs(struct fscache_netfs *netfs);
It just takes a pointer to the netfs definition. It returns 0 or an error as
appropriate.
-For kAFS, registration is done as follows:
+For kAFS, registration is done as follows::
ret = fscache_register_netfs(&afs_cache_netfs);
-The last step is, of course, unregistration:
+The last step is, of course, unregistration::
void fscache_unregister_netfs(struct fscache_netfs *netfs);
-================
-CACHE TAG LOOKUP
+Cache Tag Lookup
================
FS-Cache permits the use of more than one cache. To permit particular index
@@ -270,7 +269,7 @@ representation tags. This step is optional; it can be left entirely up to
FS-Cache as to which cache should be used. The problem with doing that is that
FS-Cache will always pick the first cache that was registered.
-To get the representation for a named tag:
+To get the representation for a named tag::
struct fscache_cache_tag *fscache_lookup_cache_tag(const char *name);
@@ -278,7 +277,7 @@ This takes a text string as the name and returns a representation of a tag. It
will never return an error. It may return a dummy tag, however, if it runs out
of memory; this will inhibit caching with this tag.
-Any representation so obtained must be released by passing it to this function:
+Any representation so obtained must be released by passing it to this function::
void fscache_release_cache_tag(struct fscache_cache_tag *tag);
@@ -286,13 +285,12 @@ The tag will be retrieved by FS-Cache when it calls the object definition
operation select_cache().
-==================
-INDEX REGISTRATION
+Index Registration
==================
The third step is to inform FS-Cache about part of an index hierarchy that can
be used to locate files. This is done by requesting a cookie for each index in
-the path to the file:
+the path to the file::
struct fscache_cookie *
fscache_acquire_cookie(struct fscache_cookie *parent,
@@ -339,7 +337,7 @@ must be enabled to do anything with it. A disabled cookie can be enabled by
calling fscache_enable_cookie() (see below).
For example, with AFS, a cell would be added to the primary index. This index
-entry would have a dependent inode containing volume mappings within this cell:
+entry would have a dependent inode containing volume mappings within this cell::
cell->cache =
fscache_acquire_cookie(afs_cache_netfs.primary_index,
@@ -349,7 +347,7 @@ entry would have a dependent inode containing volume mappings within this cell:
cell, 0, true);
And then a particular volume could be added to that index by ID, creating
-another index for vnodes (AFS inode equivalents):
+another index for vnodes (AFS inode equivalents)::
volume->cache =
fscache_acquire_cookie(volume->cell->cache,
@@ -359,13 +357,12 @@ another index for vnodes (AFS inode equivalents):
volume, 0, true);
-======================
-DATA FILE REGISTRATION
+Data File Registration
======================
The fourth step is to request a data file be created in the cache. This is
identical to index cookie acquisition. The only difference is that the type in
-the object definition should be something other than index type.
+the object definition should be something other than index type::
vnode->cache =
fscache_acquire_cookie(volume->cache,
@@ -375,15 +372,14 @@ the object definition should be something other than index type.
vnode, vnode->status.size, true);
-=================================
-MISCELLANEOUS OBJECT REGISTRATION
+Miscellaneous Object Registration
=================================
An optional step is to request an object of miscellaneous type be created in
the cache. This is almost identical to index cookie acquisition. The only
difference is that the type in the object definition should be something other
than index type. While the parent object could be an index, it's more likely
-it would be some other type of object such as a data file.
+it would be some other type of object such as a data file::
xattr->cache =
fscache_acquire_cookie(vnode->cache,
@@ -396,13 +392,12 @@ Miscellaneous objects might be used to store extended attributes or directory
entries for example.
-==========================
-SETTING THE DATA FILE SIZE
+Setting the Data File Size
==========================
The fifth step is to set the physical attributes of the file, such as its size.
This doesn't automatically reserve any space in the cache, but permits the
-cache to adjust its metadata for data tracking appropriately:
+cache to adjust its metadata for data tracking appropriately::
int fscache_attr_changed(struct fscache_cookie *cookie);
@@ -417,8 +412,7 @@ some point in the future, and as such, it may happen after the function returns
to the caller. The attribute adjustment excludes read and write operations.
-=====================
-PAGE ALLOC/READ/WRITE
+Page alloc/read/write
=====================
And the sixth step is to store and retrieve pages in the cache. There are
@@ -441,7 +435,7 @@ PAGE READ
Firstly, the netfs should ask FS-Cache to examine the caches and read the
contents cached for a particular page of a particular file if present, or else
-allocate space to store the contents if not:
+allocate space to store the contents if not::
typedef
void (*fscache_rw_complete_t)(struct page *page,
@@ -474,14 +468,14 @@ Else if there's a copy of the page resident in the cache:
(4) When the read is complete, end_io_func() will be invoked with:
- (*) The netfs data supplied when the cookie was created.
+ * The netfs data supplied when the cookie was created.
- (*) The page descriptor.
+ * The page descriptor.
- (*) The context argument passed to the above function. This will be
+ * The context argument passed to the above function. This will be
maintained with the get_context/put_context functions mentioned above.
- (*) An argument that's 0 on success or negative for an error code.
+ * An argument that's 0 on success or negative for an error code.
If an error occurs, it should be assumed that the page contains no usable
data. fscache_readpages_cancel() may need to be called.
@@ -504,11 +498,11 @@ This function may also return -ENOMEM or -EINTR, in which case it won't have
read any data from the cache.
-PAGE ALLOCATE
+Page Allocate
-------------
Alternatively, if there's not expected to be any data in the cache for a page
-because the file has been extended, a block can simply be allocated instead:
+because the file has been extended, a block can simply be allocated instead::
int fscache_alloc_page(struct fscache_cookie *cookie,
struct page *page,
@@ -523,12 +517,12 @@ The mark_pages_cached() cookie operation will be called on the page if
successful.
-PAGE WRITE
+Page Write
----------
Secondly, if the netfs changes the contents of the page (either due to an
initial download or if a user performs a write), then the page should be
-written back to the cache:
+written back to the cache::
int fscache_write_page(struct fscache_cookie *cookie,
struct page *page,
@@ -566,11 +560,11 @@ place if unforeseen circumstances arose (such as a disk error).
Writing takes place asynchronously.
-MULTIPLE PAGE READ
+Multiple Page Read
------------------
A facility is provided to read several pages at once, as requested by the
-readpages() address space operation:
+readpages() address space operation::
int fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
struct address_space *mapping,
@@ -598,7 +592,7 @@ This works in a similar way to fscache_read_or_alloc_page(), except:
be returned.
Otherwise, if all pages had reads dispatched, then 0 will be returned, the
- list will be empty and *nr_pages will be 0.
+ list will be empty and ``*nr_pages`` will be 0.
(4) end_io_func will be called once for each page being read as the reads
complete. It will be called in process context if error != 0, but it may
@@ -609,13 +603,13 @@ some of the pages being read and some being allocated. Those pages will have
been marked appropriately and will need uncaching.
-CANCELLATION OF UNREAD PAGES
+Cancellation of Unread Pages
----------------------------
If one or more pages are passed to fscache_read_or_alloc_pages() but not then
read from the cache and also not read from the underlying filesystem then
those pages will need to have any marks and reservations removed. This can be
-done by calling:
+done by calling::
void fscache_readpages_cancel(struct fscache_cookie *cookie,
struct list_head *pages);
@@ -625,11 +619,10 @@ fscache_read_or_alloc_pages(). Every page in the pages list will be examined
and any that have PG_fscache set will be uncached.
-==============
-PAGE UNCACHING
+Page Uncaching
==============
-To uncache a page, this function should be called:
+To uncache a page, this function should be called::
void fscache_uncache_page(struct fscache_cookie *cookie,
struct page *page);
@@ -644,12 +637,12 @@ data file must be retired (see the relinquish cookie function below).
Furthermore, note that this does not cancel the asynchronous read or write
operation started by the read/alloc and write functions, so the page
-invalidation functions must use:
+invalidation functions must use::
bool fscache_check_page_write(struct fscache_cookie *cookie,
struct page *page);
-to see if a page is being written to the cache, and:
+to see if a page is being written to the cache, and::
void fscache_wait_on_page_write(struct fscache_cookie *cookie,
struct page *page);
@@ -660,7 +653,7 @@ to wait for it to finish if it is.
When releasepage() is being implemented, a special FS-Cache function exists to
manage the heuristics of coping with vmscan trying to eject pages, which may
conflict with the cache trying to write pages to the cache (which may itself
-need to allocate memory):
+need to allocate memory)::
bool fscache_maybe_release_page(struct fscache_cookie *cookie,
struct page *page,
@@ -676,12 +669,12 @@ storage request to complete, or it may attempt to cancel the storage request -
in which case the page will not be stored in the cache this time.
-BULK INODE PAGE UNCACHE
+Bulk Image Page Uncache
-----------------------
A convenience routine is provided to perform an uncache on all the pages
attached to an inode. This assumes that the pages on the inode correspond on a
-1:1 basis with the pages in the cache.
+1:1 basis with the pages in the cache::
void fscache_uncache_all_inode_pages(struct fscache_cookie *cookie,
struct inode *inode);
@@ -692,12 +685,11 @@ written to the cache and for the cache to finish with the page generally. No
error is returned.
-===============================
-INDEX AND DATA FILE CONSISTENCY
+Index and Data File consistency
===============================
To find out whether auxiliary data for an object is up to data within the
-cache, the following function can be called:
+cache, the following function can be called::
int fscache_check_consistency(struct fscache_cookie *cookie,
const void *aux_data);
@@ -708,7 +700,7 @@ data buffer first. It returns 0 if it is and -ESTALE if it isn't; it may also
return -ENOMEM and -ERESTARTSYS.
To request an update of the index data for an index or other object, the
-following function should be called:
+following function should be called::
void fscache_update_cookie(struct fscache_cookie *cookie,
const void *aux_data);
@@ -721,8 +713,7 @@ Note that partial updates may happen automatically at other times, such as when
data blocks are added to a data file object.
-=================
-COOKIE ENABLEMENT
+Cookie Enablement
=================
Cookies exist in one of two states: enabled and disabled. If a cookie is
@@ -731,7 +722,7 @@ invalidate its state; allocate, read or write backing pages - though it is
still possible to uncache pages and relinquish the cookie.
The initial enablement state is set by fscache_acquire_cookie(), but the cookie
-can be enabled or disabled later. To disable a cookie, call:
+can be enabled or disabled later. To disable a cookie, call::
void fscache_disable_cookie(struct fscache_cookie *cookie,
const void *aux_data,
@@ -746,7 +737,7 @@ All possible failures are handled internally. The caller should consider
calling fscache_uncache_all_inode_pages() afterwards to make sure all page
markings are cleared up.
-Cookies can be enabled or reenabled with:
+Cookies can be enabled or reenabled with::
void fscache_enable_cookie(struct fscache_cookie *cookie,
const void *aux_data,
@@ -771,13 +762,12 @@ In both cases, the cookie's auxiliary data buffer is updated from aux_data if
that is non-NULL inside the enablement lock before proceeding.
-===============================
-MISCELLANEOUS COOKIE OPERATIONS
+Miscellaneous Cookie operations
===============================
There are a number of operations that can be used to control cookies:
- (*) Cookie pinning:
+ * Cookie pinning::
int fscache_pin_cookie(struct fscache_cookie *cookie);
void fscache_unpin_cookie(struct fscache_cookie *cookie);
@@ -790,7 +780,7 @@ There are a number of operations that can be used to control cookies:
-ENOSPC if there isn't enough space to honour the operation, -ENOMEM or
-EIO if there's any other problem.
- (*) Data space reservation:
+ * Data space reservation::
int fscache_reserve_space(struct fscache_cookie *cookie, loff_t size);
@@ -809,11 +799,10 @@ There are a number of operations that can be used to control cookies:
make space if it's not in use.
-=====================
-COOKIE UNREGISTRATION
+Cookie Unregistration
=====================
-To get rid of a cookie, this function should be called.
+To get rid of a cookie, this function should be called::
void fscache_relinquish_cookie(struct fscache_cookie *cookie,
const void *aux_data,
@@ -835,16 +824,14 @@ the cookies for "child" indices, objects and pages have been relinquished
first.
-==================
-INDEX INVALIDATION
+Index Invalidation
==================
There is no direct way to invalidate an index subtree. To do this, the caller
should relinquish and retire the cookie they have, and then acquire a new one.
-======================
-DATA FILE INVALIDATION
+Data File Invalidation
======================
Sometimes it will be necessary to invalidate an object that contains data.
@@ -853,7 +840,7 @@ change - at which point the netfs has to throw away all the state it had for an
inode and reload from the server.
To indicate that a cache object should be invalidated, the following function
-can be called:
+can be called::
void fscache_invalidate(struct fscache_cookie *cookie);
@@ -868,13 +855,12 @@ auxiliary data update operation as it is very likely these will have changed.
Using the following function, the netfs can wait for the invalidation operation
to have reached a point at which it can start submitting ordinary operations
-once again:
+once again::
void fscache_wait_on_invalidate(struct fscache_cookie *cookie);
-===========================
-FS-CACHE SPECIFIC PAGE FLAG
+FS-cache Specific Page Flag
===========================
FS-Cache makes use of a page flag, PG_private_2, for its own purpose. This is
@@ -898,7 +884,7 @@ was given under certain circumstances.
This bit does not overlap with such as PG_private. This means that FS-Cache
can be used with a filesystem that uses the block buffering code.
-There are a number of operations defined on this flag:
+There are a number of operations defined on this flag::
int PageFsCache(struct page *page);
void SetPageFsCache(struct page *page)
diff --git a/Documentation/filesystems/caching/object.txt b/Documentation/filesystems/caching/object.rst
index 100ff41127e4..ce0e043ccd33 100644
--- a/Documentation/filesystems/caching/object.txt
+++ b/Documentation/filesystems/caching/object.rst
@@ -1,10 +1,12 @@
- ====================================================
- IN-KERNEL CACHE OBJECT REPRESENTATION AND MANAGEMENT
- ====================================================
+.. SPDX-License-Identifier: GPL-2.0
+
+====================================================
+In-Kernel Cache Object Representation and Management
+====================================================
By: David Howells <dhowells@redhat.com>
-Contents:
+.. Contents:
(*) Representation
@@ -18,8 +20,7 @@ Contents:
(*) The set of events.
-==============
-REPRESENTATION
+Representation
==============
FS-Cache maintains an in-kernel representation of each object that a netfs is
@@ -38,7 +39,7 @@ or even by no objects (it may not be cached).
Furthermore, both cookies and objects are hierarchical. The two hierarchies
correspond, but the cookies tree is a superset of the union of the object trees
-of multiple caches:
+of multiple caches::
NETFS INDEX TREE : CACHE 1 : CACHE 2
: :
@@ -89,8 +90,7 @@ pointers to the cookies. The cookies themselves and any objects attached to
those cookies are hidden from it.
-===============================
-OBJECT MANAGEMENT STATE MACHINE
+Object Management State Machine
===============================
Within FS-Cache, each active object is managed by its own individual state
@@ -124,7 +124,7 @@ is not masked, the object will be queued for processing (by calling
fscache_enqueue_object()).
-PROVISION OF CPU TIME
+Provision of CPU Time
---------------------
The work to be done by the various states was given CPU time by the threads of
@@ -141,7 +141,7 @@ because:
workqueues don't necessarily have the right numbers of threads.
-LOCKING SIMPLIFICATION
+Locking Simplification
----------------------
Because only one worker thread may be operating on any particular object's
@@ -151,8 +151,7 @@ from the cache backend's representation (fscache_object) - which may be
requested from either end.
-=================
-THE SET OF STATES
+The Set of States
=================
The object state machine has a set of states that it can be in. There are
@@ -275,19 +274,17 @@ memory and potentially deletes stuff from disk:
this state.
-THE SET OF EVENTS
+The Set of Events
-----------------
There are a number of events that can be raised to an object state machine:
- (*) FSCACHE_OBJECT_EV_UPDATE
-
+ FSCACHE_OBJECT_EV_UPDATE
The netfs requested that an object be updated. The state machine will ask
the cache backend to update the object, and the cache backend will ask the
netfs for details of the change through its cookie definition ops.
- (*) FSCACHE_OBJECT_EV_CLEARED
-
+ FSCACHE_OBJECT_EV_CLEARED
This is signalled in two circumstances:
(a) when an object's last child object is dropped and
@@ -296,20 +293,16 @@ There are a number of events that can be raised to an object state machine:
This is used to proceed from the dying state.
- (*) FSCACHE_OBJECT_EV_ERROR
-
+ FSCACHE_OBJECT_EV_ERROR
This is signalled when an I/O error occurs during the processing of some
object.
- (*) FSCACHE_OBJECT_EV_RELEASE
- (*) FSCACHE_OBJECT_EV_RETIRE
-
+ FSCACHE_OBJECT_EV_RELEASE, FSCACHE_OBJECT_EV_RETIRE
These are signalled when the netfs relinquishes a cookie it was using.
The event selected depends on whether the netfs asks for the backing
object to be retired (deleted) or retained.
- (*) FSCACHE_OBJECT_EV_WITHDRAW
-
+ FSCACHE_OBJECT_EV_WITHDRAW
This is signalled when the cache backend wants to withdraw an object.
This means that the object will have to be detached from the netfs's
cookie.
diff --git a/Documentation/filesystems/caching/operations.txt b/Documentation/filesystems/caching/operations.rst
index d8976c434718..f7ddcc028939 100644
--- a/Documentation/filesystems/caching/operations.txt
+++ b/Documentation/filesystems/caching/operations.rst
@@ -1,10 +1,12 @@
- ================================
- ASYNCHRONOUS OPERATIONS HANDLING
- ================================
+.. SPDX-License-Identifier: GPL-2.0
+
+================================
+Asynchronous Operations Handling
+================================
By: David Howells <dhowells@redhat.com>
-Contents:
+.. Contents:
(*) Overview.
@@ -17,8 +19,7 @@ Contents:
(*) Asynchronous callback.
-========
-OVERVIEW
+Overview
========
FS-Cache has an asynchronous operations handling facility that it uses for its
@@ -33,11 +34,10 @@ backend for completion.
To make use of this facility, <linux/fscache-cache.h> should be #included.
-===============================
-OPERATION RECORD INITIALISATION
+Operation Record Initialisation
===============================
-An operation is recorded in an fscache_operation struct:
+An operation is recorded in an fscache_operation struct::
struct fscache_operation {
union {
@@ -50,7 +50,7 @@ An operation is recorded in an fscache_operation struct:
};
Someone wanting to issue an operation should allocate something with this
-struct embedded in it. They should initialise it by calling:
+struct embedded in it. They should initialise it by calling::
void fscache_operation_init(struct fscache_operation *op,
fscache_operation_release_t release);
@@ -67,8 +67,7 @@ FSCACHE_OP_WAITING may be set in op->flags prior to each submission of the
operation and waited for afterwards.
-==========
-PARAMETERS
+Parameters
==========
There are a number of parameters that can be set in the operation record's flag
@@ -87,7 +86,7 @@ operations:
If this option is to be used, FSCACHE_OP_WAITING must be set in op->flags
before submitting the operation, and the operating thread must wait for it
- to be cleared before proceeding:
+ to be cleared before proceeding::
wait_on_bit(&op->flags, FSCACHE_OP_WAITING,
TASK_UNINTERRUPTIBLE);
@@ -101,7 +100,7 @@ operations:
page to a netfs page after the backing fs has read the page in.
If this option is used, op->fast_work and op->processor must be
- initialised before submitting the operation:
+ initialised before submitting the operation::
INIT_WORK(&op->fast_work, do_some_work);
@@ -114,7 +113,7 @@ operations:
pages that have just been fetched from a remote server.
If this option is used, op->slow_work and op->processor must be
- initialised before submitting the operation:
+ initialised before submitting the operation::
fscache_operation_init_slow(op, processor)
@@ -132,8 +131,7 @@ Furthermore, operations may be one of two types:
operations running at the same time.
-=========
-PROCEDURE
+Procedure
=========
Operations are used through the following procedure:
@@ -143,7 +141,7 @@ Operations are used through the following procedure:
generic op embedded within.
(2) The submitting thread must then submit the operation for processing using
- one of the following two functions:
+ one of the following two functions::
int fscache_submit_op(struct fscache_object *object,
struct fscache_operation *op);
@@ -164,7 +162,7 @@ Operations are used through the following procedure:
operation of conflicting exclusivity is in progress on the object.
If the operation is asynchronous, the manager will retain a reference to
- it, so the caller should put their reference to it by passing it to:
+ it, so the caller should put their reference to it by passing it to::
void fscache_put_operation(struct fscache_operation *op);
@@ -179,12 +177,12 @@ Operations are used through the following procedure:
(4) The operation holds an effective lock upon the object, preventing other
exclusive ops conflicting until it is released. The operation can be
enqueued for further immediate asynchronous processing by adjusting the
- CPU time provisioning option if necessary, eg:
+ CPU time provisioning option if necessary, eg::
op->flags &= ~FSCACHE_OP_TYPE;
op->flags |= ~FSCACHE_OP_FAST;
- and calling:
+ and calling::
void fscache_enqueue_operation(struct fscache_operation *op)
@@ -192,13 +190,12 @@ Operations are used through the following procedure:
pools.
-=====================
-ASYNCHRONOUS CALLBACK
+Asynchronous Callback
=====================
When used in asynchronous mode, the worker thread pool will invoke the
processor method with a pointer to the operation. This should then get at the
-container struct by using container_of():
+container struct by using container_of()::
static void fscache_write_op(struct fscache_operation *_op)
{
diff --git a/Documentation/filesystems/cifs/cifsroot.txt b/Documentation/filesystems/cifs/cifsroot.rst
index 947b7ec6ce9e..4930bb443134 100644
--- a/Documentation/filesystems/cifs/cifsroot.txt
+++ b/Documentation/filesystems/cifs/cifsroot.rst
@@ -1,7 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================================
Mounting root file system via SMB (cifs.ko)
===========================================
Written 2019 by Paulo Alcantara <palcantara@suse.de>
+
Written 2019 by Aurelien Aptel <aaptel@suse.com>
The CONFIG_CIFS_ROOT option enables experimental root file system
@@ -32,7 +36,7 @@ Server configuration
====================
To enable SMB1+UNIX extensions you will need to set these global
-settings in Samba smb.conf:
+settings in Samba smb.conf::
[global]
server min protocol = NT1
@@ -41,12 +45,16 @@ settings in Samba smb.conf:
Kernel command line
===================
-root=/dev/cifs
+::
+
+ root=/dev/cifs
This is just a virtual device that basically tells the kernel to mount
the root file system via SMB protocol.
-cifsroot=//<server-ip>/<share>[,options]
+::
+
+ cifsroot=//<server-ip>/<share>[,options]
Enables the kernel to mount the root file system via SMB that are
located in the <server-ip> and <share> specified in this option.
@@ -65,33 +73,33 @@ options
Examples
========
-Export root file system as a Samba share in smb.conf file.
+Export root file system as a Samba share in smb.conf file::
-...
-[linux]
- path = /path/to/rootfs
- read only = no
- guest ok = yes
- force user = root
- force group = root
- browseable = yes
- writeable = yes
- admin users = root
- public = yes
- create mask = 0777
- directory mask = 0777
-...
+ ...
+ [linux]
+ path = /path/to/rootfs
+ read only = no
+ guest ok = yes
+ force user = root
+ force group = root
+ browseable = yes
+ writeable = yes
+ admin users = root
+ public = yes
+ create mask = 0777
+ directory mask = 0777
+ ...
-Restart smb service.
+Restart smb service::
-# systemctl restart smb
+ # systemctl restart smb
Test it under QEMU on a kernel built with CONFIG_CIFS_ROOT and
-CONFIG_IP_PNP options enabled.
+CONFIG_IP_PNP options enabled::
-# qemu-system-x86_64 -enable-kvm -cpu host -m 1024 \
- -kernel /path/to/linux/arch/x86/boot/bzImage -nographic \
- -append "root=/dev/cifs rw ip=dhcp cifsroot=//10.0.2.2/linux,username=foo,password=bar console=ttyS0 3"
+ # qemu-system-x86_64 -enable-kvm -cpu host -m 1024 \
+ -kernel /path/to/linux/arch/x86/boot/bzImage -nographic \
+ -append "root=/dev/cifs rw ip=dhcp cifsroot=//10.0.2.2/linux,username=foo,password=bar console=ttyS0 3"
1: https://wiki.samba.org/index.php/UNIX_Extensions
diff --git a/Documentation/filesystems/coda.rst b/Documentation/filesystems/coda.rst
new file mode 100644
index 000000000000..84c860c89887
--- /dev/null
+++ b/Documentation/filesystems/coda.rst
@@ -0,0 +1,1670 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================
+Coda Kernel-Venus Interface
+===========================
+
+.. Note::
+
+ This is one of the technical documents describing a component of
+ Coda -- this document describes the client kernel-Venus interface.
+
+For more information:
+
+ http://www.coda.cs.cmu.edu
+
+For user level software needed to run Coda:
+
+ ftp://ftp.coda.cs.cmu.edu
+
+To run Coda you need to get a user level cache manager for the client,
+named Venus, as well as tools to manipulate ACLs, to log in, etc. The
+client needs to have the Coda filesystem selected in the kernel
+configuration.
+
+The server needs a user level server and at present does not depend on
+kernel support.
+
+ The Venus kernel interface
+
+ Peter J. Braam
+
+ v1.0, Nov 9, 1997
+
+ This document describes the communication between Venus and kernel
+ level filesystem code needed for the operation of the Coda file sys-
+ tem. This document version is meant to describe the current interface
+ (version 1.0) as well as improvements we envisage.
+
+.. Table of Contents
+
+ 1. Introduction
+
+ 2. Servicing Coda filesystem calls
+
+ 3. The message layer
+
+ 3.1 Implementation details
+
+ 4. The interface at the call level
+
+ 4.1 Data structures shared by the kernel and Venus
+ 4.2 The pioctl interface
+ 4.3 root
+ 4.4 lookup
+ 4.5 getattr
+ 4.6 setattr
+ 4.7 access
+ 4.8 create
+ 4.9 mkdir
+ 4.10 link
+ 4.11 symlink
+ 4.12 remove
+ 4.13 rmdir
+ 4.14 readlink
+ 4.15 open
+ 4.16 close
+ 4.17 ioctl
+ 4.18 rename
+ 4.19 readdir
+ 4.20 vget
+ 4.21 fsync
+ 4.22 inactive
+ 4.23 rdwr
+ 4.24 odymount
+ 4.25 ody_lookup
+ 4.26 ody_expand
+ 4.27 prefetch
+ 4.28 signal
+
+ 5. The minicache and downcalls
+
+ 5.1 INVALIDATE
+ 5.2 FLUSH
+ 5.3 PURGEUSER
+ 5.4 ZAPFILE
+ 5.5 ZAPDIR
+ 5.6 ZAPVNODE
+ 5.7 PURGEFID
+ 5.8 REPLACE
+
+ 6. Initialization and cleanup
+
+ 6.1 Requirements
+
+1. Introduction
+===============
+
+ A key component in the Coda Distributed File System is the cache
+ manager, Venus.
+
+ When processes on a Coda enabled system access files in the Coda
+ filesystem, requests are directed at the filesystem layer in the
+ operating system. The operating system will communicate with Venus to
+ service the request for the process. Venus manages a persistent
+ client cache and makes remote procedure calls to Coda file servers and
+ related servers (such as authentication servers) to service these
+ requests it receives from the operating system. When Venus has
+ serviced a request it replies to the operating system with appropriate
+ return codes, and other data related to the request. Optionally the
+ kernel support for Coda may maintain a minicache of recently processed
+ requests to limit the number of interactions with Venus. Venus
+ possesses the facility to inform the kernel when elements from its
+ minicache are no longer valid.
+
+ This document describes precisely this communication between the
+ kernel and Venus. The definitions of so called upcalls and downcalls
+ will be given with the format of the data they handle. We shall also
+ describe the semantic invariants resulting from the calls.
+
+ Historically Coda was implemented in a BSD file system in Mach 2.6.
+ The interface between the kernel and Venus is very similar to the BSD
+ VFS interface. Similar functionality is provided, and the format of
+ the parameters and returned data is very similar to the BSD VFS. This
+ leads to an almost natural environment for implementing a kernel-level
+ filesystem driver for Coda in a BSD system. However, other operating
+ systems such as Linux and Windows 95 and NT have virtual filesystem
+ with different interfaces.
+
+ To implement Coda on these systems some reverse engineering of the
+ Venus/Kernel protocol is necessary. Also it came to light that other
+ systems could profit significantly from certain small optimizations
+ and modifications to the protocol. To facilitate this work as well as
+ to make future ports easier, communication between Venus and the
+ kernel should be documented in great detail. This is the aim of this
+ document.
+
+2. Servicing Coda filesystem calls
+===================================
+
+ The service of a request for a Coda file system service originates in
+ a process P which accessing a Coda file. It makes a system call which
+ traps to the OS kernel. Examples of such calls trapping to the kernel
+ are ``read``, ``write``, ``open``, ``close``, ``create``, ``mkdir``,
+ ``rmdir``, ``chmod`` in a Unix ontext. Similar calls exist in the Win32
+ environment, and are named ``CreateFile``.
+
+ Generally the operating system handles the request in a virtual
+ filesystem (VFS) layer, which is named I/O Manager in NT and IFS
+ manager in Windows 95. The VFS is responsible for partial processing
+ of the request and for locating the specific filesystem(s) which will
+ service parts of the request. Usually the information in the path
+ assists in locating the correct FS drivers. Sometimes after extensive
+ pre-processing, the VFS starts invoking exported routines in the FS
+ driver. This is the point where the FS specific processing of the
+ request starts, and here the Coda specific kernel code comes into
+ play.
+
+ The FS layer for Coda must expose and implement several interfaces.
+ First and foremost the VFS must be able to make all necessary calls to
+ the Coda FS layer, so the Coda FS driver must expose the VFS interface
+ as applicable in the operating system. These differ very significantly
+ among operating systems, but share features such as facilities to
+ read/write and create and remove objects. The Coda FS layer services
+ such VFS requests by invoking one or more well defined services
+ offered by the cache manager Venus. When the replies from Venus have
+ come back to the FS driver, servicing of the VFS call continues and
+ finishes with a reply to the kernel's VFS. Finally the VFS layer
+ returns to the process.
+
+ As a result of this design a basic interface exposed by the FS driver
+ must allow Venus to manage message traffic. In particular Venus must
+ be able to retrieve and place messages and to be notified of the
+ arrival of a new message. The notification must be through a mechanism
+ which does not block Venus since Venus must attend to other tasks even
+ when no messages are waiting or being processed.
+
+ **Interfaces of the Coda FS Driver**
+
+ Furthermore the FS layer provides for a special path of communication
+ between a user process and Venus, called the pioctl interface. The
+ pioctl interface is used for Coda specific services, such as
+ requesting detailed information about the persistent cache managed by
+ Venus. Here the involvement of the kernel is minimal. It identifies
+ the calling process and passes the information on to Venus. When
+ Venus replies the response is passed back to the caller in unmodified
+ form.
+
+ Finally Venus allows the kernel FS driver to cache the results from
+ certain services. This is done to avoid excessive context switches
+ and results in an efficient system. However, Venus may acquire
+ information, for example from the network which implies that cached
+ information must be flushed or replaced. Venus then makes a downcall
+ to the Coda FS layer to request flushes or updates in the cache. The
+ kernel FS driver handles such requests synchronously.
+
+ Among these interfaces the VFS interface and the facility to place,
+ receive and be notified of messages are platform specific. We will
+ not go into the calls exported to the VFS layer but we will state the
+ requirements of the message exchange mechanism.
+
+
+3. The message layer
+=====================
+
+ At the lowest level the communication between Venus and the FS driver
+ proceeds through messages. The synchronization between processes
+ requesting Coda file service and Venus relies on blocking and waking
+ up processes. The Coda FS driver processes VFS- and pioctl-requests
+ on behalf of a process P, creates messages for Venus, awaits replies
+ and finally returns to the caller. The implementation of the exchange
+ of messages is platform specific, but the semantics have (so far)
+ appeared to be generally applicable. Data buffers are created by the
+ FS Driver in kernel memory on behalf of P and copied to user memory in
+ Venus.
+
+ The FS Driver while servicing P makes upcalls to Venus. Such an
+ upcall is dispatched to Venus by creating a message structure. The
+ structure contains the identification of P, the message sequence
+ number, the size of the request and a pointer to the data in kernel
+ memory for the request. Since the data buffer is re-used to hold the
+ reply from Venus, there is a field for the size of the reply. A flags
+ field is used in the message to precisely record the status of the
+ message. Additional platform dependent structures involve pointers to
+ determine the position of the message on queues and pointers to
+ synchronization objects. In the upcall routine the message structure
+ is filled in, flags are set to 0, and it is placed on the *pending*
+ queue. The routine calling upcall is responsible for allocating the
+ data buffer; its structure will be described in the next section.
+
+ A facility must exist to notify Venus that the message has been
+ created, and implemented using available synchronization objects in
+ the OS. This notification is done in the upcall context of the process
+ P. When the message is on the pending queue, process P cannot proceed
+ in upcall. The (kernel mode) processing of P in the filesystem
+ request routine must be suspended until Venus has replied. Therefore
+ the calling thread in P is blocked in upcall. A pointer in the
+ message structure will locate the synchronization object on which P is
+ sleeping.
+
+ Venus detects the notification that a message has arrived, and the FS
+ driver allow Venus to retrieve the message with a getmsg_from_kernel
+ call. This action finishes in the kernel by putting the message on the
+ queue of processing messages and setting flags to READ. Venus is
+ passed the contents of the data buffer. The getmsg_from_kernel call
+ now returns and Venus processes the request.
+
+ At some later point the FS driver receives a message from Venus,
+ namely when Venus calls sendmsg_to_kernel. At this moment the Coda FS
+ driver looks at the contents of the message and decides if:
+
+
+ * the message is a reply for a suspended thread P. If so it removes
+ the message from the processing queue and marks the message as
+ WRITTEN. Finally, the FS driver unblocks P (still in the kernel
+ mode context of Venus) and the sendmsg_to_kernel call returns to
+ Venus. The process P will be scheduled at some point and continues
+ processing its upcall with the data buffer replaced with the reply
+ from Venus.
+
+ * The message is a ``downcall``. A downcall is a request from Venus to
+ the FS Driver. The FS driver processes the request immediately
+ (usually a cache eviction or replacement) and when it finishes
+ sendmsg_to_kernel returns.
+
+ Now P awakes and continues processing upcall. There are some
+ subtleties to take account of. First P will determine if it was woken
+ up in upcall by a signal from some other source (for example an
+ attempt to terminate P) or as is normally the case by Venus in its
+ sendmsg_to_kernel call. In the normal case, the upcall routine will
+ deallocate the message structure and return. The FS routine can proceed
+ with its processing.
+
+
+ **Sleeping and IPC arrangements**
+
+ In case P is woken up by a signal and not by Venus, it will first look
+ at the flags field. If the message is not yet READ, the process P can
+ handle its signal without notifying Venus. If Venus has READ, and
+ the request should not be processed, P can send Venus a signal message
+ to indicate that it should disregard the previous message. Such
+ signals are put in the queue at the head, and read first by Venus. If
+ the message is already marked as WRITTEN it is too late to stop the
+ processing. The VFS routine will now continue. (-- If a VFS request
+ involves more than one upcall, this can lead to complicated state, an
+ extra field "handle_signals" could be added in the message structure
+ to indicate points of no return have been passed.--)
+
+
+
+3.1. Implementation details
+----------------------------
+
+ The Unix implementation of this mechanism has been through the
+ implementation of a character device associated with Coda. Venus
+ retrieves messages by doing a read on the device, replies are sent
+ with a write and notification is through the select system call on the
+ file descriptor for the device. The process P is kept waiting on an
+ interruptible wait queue object.
+
+ In Windows NT and the DPMI Windows 95 implementation a DeviceIoControl
+ call is used. The DeviceIoControl call is designed to copy buffers
+ from user memory to kernel memory with OPCODES. The sendmsg_to_kernel
+ is issued as a synchronous call, while the getmsg_from_kernel call is
+ asynchronous. Windows EventObjects are used for notification of
+ message arrival. The process P is kept waiting on a KernelEvent
+ object in NT and a semaphore in Windows 95.
+
+
+4. The interface at the call level
+===================================
+
+
+ This section describes the upcalls a Coda FS driver can make to Venus.
+ Each of these upcalls make use of two structures: inputArgs and
+ outputArgs. In pseudo BNF form the structures take the following
+ form::
+
+
+ struct inputArgs {
+ u_long opcode;
+ u_long unique; /* Keep multiple outstanding msgs distinct */
+ u_short pid; /* Common to all */
+ u_short pgid; /* Common to all */
+ struct CodaCred cred; /* Common to all */
+
+ <union "in" of call dependent parts of inputArgs>
+ };
+
+ struct outputArgs {
+ u_long opcode;
+ u_long unique; /* Keep multiple outstanding msgs distinct */
+ u_long result;
+
+ <union "out" of call dependent parts of inputArgs>
+ };
+
+
+
+ Before going on let us elucidate the role of the various fields. The
+ inputArgs start with the opcode which defines the type of service
+ requested from Venus. There are approximately 30 upcalls at present
+ which we will discuss. The unique field labels the inputArg with a
+ unique number which will identify the message uniquely. A process and
+ process group id are passed. Finally the credentials of the caller
+ are included.
+
+ Before delving into the specific calls we need to discuss a variety of
+ data structures shared by the kernel and Venus.
+
+
+
+
+4.1. Data structures shared by the kernel and Venus
+----------------------------------------------------
+
+
+ The CodaCred structure defines a variety of user and group ids as
+ they are set for the calling process. The vuid_t and vgid_t are 32 bit
+ unsigned integers. It also defines group membership in an array. On
+ Unix the CodaCred has proven sufficient to implement good security
+ semantics for Coda but the structure may have to undergo modification
+ for the Windows environment when these mature::
+
+ struct CodaCred {
+ vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, effective, set, fs uid */
+ vgid_t cr_gid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
+ vgid_t cr_groups[NGROUPS]; /* Group membership for caller */
+ };
+
+
+ .. Note::
+
+ It is questionable if we need CodaCreds in Venus. Finally Venus
+ doesn't know about groups, although it does create files with the
+ default uid/gid. Perhaps the list of group membership is superfluous.
+
+
+ The next item is the fundamental identifier used to identify Coda
+ files, the ViceFid. A fid of a file uniquely defines a file or
+ directory in the Coda filesystem within a cell [1]_::
+
+ typedef struct ViceFid {
+ VolumeId Volume;
+ VnodeId Vnode;
+ Unique_t Unique;
+ } ViceFid;
+
+ .. [1] A cell is agroup of Coda servers acting under the aegis of a single
+ system control machine or SCM. See the Coda Administration manual
+ for a detailed description of the role of the SCM.
+
+ Each of the constituent fields: VolumeId, VnodeId and Unique_t are
+ unsigned 32 bit integers. We envisage that a further field will need
+ to be prefixed to identify the Coda cell; this will probably take the
+ form of a Ipv6 size IP address naming the Coda cell through DNS.
+
+ The next important structure shared between Venus and the kernel is
+ the attributes of the file. The following structure is used to
+ exchange information. It has room for future extensions such as
+ support for device files (currently not present in Coda)::
+
+
+ struct coda_timespec {
+ int64_t tv_sec; /* seconds */
+ long tv_nsec; /* nanoseconds */
+ };
+
+ struct coda_vattr {
+ enum coda_vtype va_type; /* vnode type (for create) */
+ u_short va_mode; /* files access mode and type */
+ short va_nlink; /* number of references to file */
+ vuid_t va_uid; /* owner user id */
+ vgid_t va_gid; /* owner group id */
+ long va_fsid; /* file system id (dev for now) */
+ long va_fileid; /* file id */
+ u_quad_t va_size; /* file size in bytes */
+ long va_blocksize; /* blocksize preferred for i/o */
+ struct coda_timespec va_atime; /* time of last access */
+ struct coda_timespec va_mtime; /* time of last modification */
+ struct coda_timespec va_ctime; /* time file changed */
+ u_long va_gen; /* generation number of file */
+ u_long va_flags; /* flags defined for file */
+ dev_t va_rdev; /* device special file represents */
+ u_quad_t va_bytes; /* bytes of disk space held by file */
+ u_quad_t va_filerev; /* file modification number */
+ u_int va_vaflags; /* operations flags, see below */
+ long va_spare; /* remain quad aligned */
+ };
+
+
+4.2. The pioctl interface
+--------------------------
+
+
+ Coda specific requests can be made by application through the pioctl
+ interface. The pioctl is implemented as an ordinary ioctl on a
+ fictitious file /coda/.CONTROL. The pioctl call opens this file, gets
+ a file handle and makes the ioctl call. Finally it closes the file.
+
+ The kernel involvement in this is limited to providing the facility to
+ open and close and pass the ioctl message and to verify that a path in
+ the pioctl data buffers is a file in a Coda filesystem.
+
+ The kernel is handed a data packet of the form::
+
+ struct {
+ const char *path;
+ struct ViceIoctl vidata;
+ int follow;
+ } data;
+
+
+
+ where::
+
+
+ struct ViceIoctl {
+ caddr_t in, out; /* Data to be transferred in, or out */
+ short in_size; /* Size of input buffer <= 2K */
+ short out_size; /* Maximum size of output buffer, <= 2K */
+ };
+
+
+
+ The path must be a Coda file, otherwise the ioctl upcall will not be
+ made.
+
+ .. Note:: The data structures and code are a mess. We need to clean this up.
+
+
+**We now proceed to document the individual calls**:
+
+
+4.3. root
+----------
+
+
+ Arguments
+ in
+
+ empty
+
+ out::
+
+ struct cfs_root_out {
+ ViceFid VFid;
+ } cfs_root;
+
+
+
+ Description
+ This call is made to Venus during the initialization of
+ the Coda filesystem. If the result is zero, the cfs_root structure
+ contains the ViceFid of the root of the Coda filesystem. If a non-zero
+ result is generated, its value is a platform dependent error code
+ indicating the difficulty Venus encountered in locating the root of
+ the Coda filesystem.
+
+4.4. lookup
+------------
+
+
+ Summary
+ Find the ViceFid and type of an object in a directory if it exists.
+
+ Arguments
+ in::
+
+ struct cfs_lookup_in {
+ ViceFid VFid;
+ char *name; /* Place holder for data. */
+ } cfs_lookup;
+
+
+
+ out::
+
+ struct cfs_lookup_out {
+ ViceFid VFid;
+ int vtype;
+ } cfs_lookup;
+
+
+
+ Description
+ This call is made to determine the ViceFid and filetype of
+ a directory entry. The directory entry requested carries name name
+ and Venus will search the directory identified by cfs_lookup_in.VFid.
+ The result may indicate that the name does not exist, or that
+ difficulty was encountered in finding it (e.g. due to disconnection).
+ If the result is zero, the field cfs_lookup_out.VFid contains the
+ targets ViceFid and cfs_lookup_out.vtype the coda_vtype giving the
+ type of object the name designates.
+
+ The name of the object is an 8 bit character string of maximum length
+ CFS_MAXNAMLEN, currently set to 256 (including a 0 terminator.)
+
+ It is extremely important to realize that Venus bitwise ors the field
+ cfs_lookup.vtype with CFS_NOCACHE to indicate that the object should
+ not be put in the kernel name cache.
+
+ .. Note::
+
+ The type of the vtype is currently wrong. It should be
+ coda_vtype. Linux does not take note of CFS_NOCACHE. It should.
+
+
+4.5. getattr
+-------------
+
+
+ Summary Get the attributes of a file.
+
+ Arguments
+ in::
+
+ struct cfs_getattr_in {
+ ViceFid VFid;
+ struct coda_vattr attr; /* XXXXX */
+ } cfs_getattr;
+
+
+
+ out::
+
+ struct cfs_getattr_out {
+ struct coda_vattr attr;
+ } cfs_getattr;
+
+
+
+ Description
+ This call returns the attributes of the file identified by fid.
+
+ Errors
+ Errors can occur if the object with fid does not exist, is
+ unaccessible or if the caller does not have permission to fetch
+ attributes.
+
+ .. Note::
+
+ Many kernel FS drivers (Linux, NT and Windows 95) need to acquire
+ the attributes as well as the Fid for the instantiation of an internal
+ "inode" or "FileHandle". A significant improvement in performance on
+ such systems could be made by combining the lookup and getattr calls
+ both at the Venus/kernel interaction level and at the RPC level.
+
+ The vattr structure included in the input arguments is superfluous and
+ should be removed.
+
+
+4.6. setattr
+-------------
+
+
+ Summary
+ Set the attributes of a file.
+
+ Arguments
+ in::
+
+ struct cfs_setattr_in {
+ ViceFid VFid;
+ struct coda_vattr attr;
+ } cfs_setattr;
+
+
+
+
+ out
+
+ empty
+
+ Description
+ The structure attr is filled with attributes to be changed
+ in BSD style. Attributes not to be changed are set to -1, apart from
+ vtype which is set to VNON. Other are set to the value to be assigned.
+ The only attributes which the FS driver may request to change are the
+ mode, owner, groupid, atime, mtime and ctime. The return value
+ indicates success or failure.
+
+ Errors
+ A variety of errors can occur. The object may not exist, may
+ be inaccessible, or permission may not be granted by Venus.
+
+
+4.7. access
+------------
+
+
+ Arguments
+ in::
+
+ struct cfs_access_in {
+ ViceFid VFid;
+ int flags;
+ } cfs_access;
+
+
+
+ out
+
+ empty
+
+ Description
+ Verify if access to the object identified by VFid for
+ operations described by flags is permitted. The result indicates if
+ access will be granted. It is important to remember that Coda uses
+ ACLs to enforce protection and that ultimately the servers, not the
+ clients enforce the security of the system. The result of this call
+ will depend on whether a token is held by the user.
+
+ Errors
+ The object may not exist, or the ACL describing the protection
+ may not be accessible.
+
+
+4.8. create
+------------
+
+
+ Summary
+ Invoked to create a file
+
+ Arguments
+ in::
+
+ struct cfs_create_in {
+ ViceFid VFid;
+ struct coda_vattr attr;
+ int excl;
+ int mode;
+ char *name; /* Place holder for data. */
+ } cfs_create;
+
+
+
+
+ out::
+
+ struct cfs_create_out {
+ ViceFid VFid;
+ struct coda_vattr attr;
+ } cfs_create;
+
+
+
+ Description
+ This upcall is invoked to request creation of a file.
+ The file will be created in the directory identified by VFid, its name
+ will be name, and the mode will be mode. If excl is set an error will
+ be returned if the file already exists. If the size field in attr is
+ set to zero the file will be truncated. The uid and gid of the file
+ are set by converting the CodaCred to a uid using a macro CRTOUID
+ (this macro is platform dependent). Upon success the VFid and
+ attributes of the file are returned. The Coda FS Driver will normally
+ instantiate a vnode, inode or file handle at kernel level for the new
+ object.
+
+
+ Errors
+ A variety of errors can occur. Permissions may be insufficient.
+ If the object exists and is not a file the error EISDIR is returned
+ under Unix.
+
+ .. Note::
+
+ The packing of parameters is very inefficient and appears to
+ indicate confusion between the system call creat and the VFS operation
+ create. The VFS operation create is only called to create new objects.
+ This create call differs from the Unix one in that it is not invoked
+ to return a file descriptor. The truncate and exclusive options,
+ together with the mode, could simply be part of the mode as it is
+ under Unix. There should be no flags argument; this is used in open
+ (2) to return a file descriptor for READ or WRITE mode.
+
+ The attributes of the directory should be returned too, since the size
+ and mtime changed.
+
+
+4.9. mkdir
+-----------
+
+
+ Summary
+ Create a new directory.
+
+ Arguments
+ in::
+
+ struct cfs_mkdir_in {
+ ViceFid VFid;
+ struct coda_vattr attr;
+ char *name; /* Place holder for data. */
+ } cfs_mkdir;
+
+
+
+ out::
+
+ struct cfs_mkdir_out {
+ ViceFid VFid;
+ struct coda_vattr attr;
+ } cfs_mkdir;
+
+
+
+
+ Description
+ This call is similar to create but creates a directory.
+ Only the mode field in the input parameters is used for creation.
+ Upon successful creation, the attr returned contains the attributes of
+ the new directory.
+
+ Errors
+ As for create.
+
+ .. Note::
+
+ The input parameter should be changed to mode instead of
+ attributes.
+
+ The attributes of the parent should be returned since the size and
+ mtime changes.
+
+
+4.10. link
+-----------
+
+
+ Summary
+ Create a link to an existing file.
+
+ Arguments
+ in::
+
+ struct cfs_link_in {
+ ViceFid sourceFid; /* cnode to link *to* */
+ ViceFid destFid; /* Directory in which to place link */
+ char *tname; /* Place holder for data. */
+ } cfs_link;
+
+
+
+ out
+
+ empty
+
+ Description
+ This call creates a link to the sourceFid in the directory
+ identified by destFid with name tname. The source must reside in the
+ target's parent, i.e. the source must be have parent destFid, i.e. Coda
+ does not support cross directory hard links. Only the return value is
+ relevant. It indicates success or the type of failure.
+
+ Errors
+ The usual errors can occur.
+
+
+4.11. symlink
+--------------
+
+
+ Summary
+ create a symbolic link
+
+ Arguments
+ in::
+
+ struct cfs_symlink_in {
+ ViceFid VFid; /* Directory to put symlink in */
+ char *srcname;
+ struct coda_vattr attr;
+ char *tname;
+ } cfs_symlink;
+
+
+
+ out
+
+ none
+
+ Description
+ Create a symbolic link. The link is to be placed in the
+ directory identified by VFid and named tname. It should point to the
+ pathname srcname. The attributes of the newly created object are to
+ be set to attr.
+
+ .. Note::
+
+ The attributes of the target directory should be returned since
+ its size changed.
+
+
+4.12. remove
+-------------
+
+
+ Summary
+ Remove a file
+
+ Arguments
+ in::
+
+ struct cfs_remove_in {
+ ViceFid VFid;
+ char *name; /* Place holder for data. */
+ } cfs_remove;
+
+
+
+ out
+
+ none
+
+ Description
+ Remove file named cfs_remove_in.name in directory
+ identified by VFid.
+
+
+ .. Note::
+
+ The attributes of the directory should be returned since its
+ mtime and size may change.
+
+
+4.13. rmdir
+------------
+
+
+ Summary
+ Remove a directory
+
+ Arguments
+ in::
+
+ struct cfs_rmdir_in {
+ ViceFid VFid;
+ char *name; /* Place holder for data. */
+ } cfs_rmdir;
+
+
+
+ out
+
+ none
+
+ Description
+ Remove the directory with name name from the directory
+ identified by VFid.
+
+ .. Note:: The attributes of the parent directory should be returned since
+ its mtime and size may change.
+
+
+4.14. readlink
+---------------
+
+
+ Summary
+ Read the value of a symbolic link.
+
+ Arguments
+ in::
+
+ struct cfs_readlink_in {
+ ViceFid VFid;
+ } cfs_readlink;
+
+
+
+ out::
+
+ struct cfs_readlink_out {
+ int count;
+ caddr_t data; /* Place holder for data. */
+ } cfs_readlink;
+
+
+
+ Description
+ This routine reads the contents of symbolic link
+ identified by VFid into the buffer data. The buffer data must be able
+ to hold any name up to CFS_MAXNAMLEN (PATH or NAM??).
+
+ Errors
+ No unusual errors.
+
+
+4.15. open
+-----------
+
+
+ Summary
+ Open a file.
+
+ Arguments
+ in::
+
+ struct cfs_open_in {
+ ViceFid VFid;
+ int flags;
+ } cfs_open;
+
+
+
+ out::
+
+ struct cfs_open_out {
+ dev_t dev;
+ ino_t inode;
+ } cfs_open;
+
+
+
+ Description
+ This request asks Venus to place the file identified by
+ VFid in its cache and to note that the calling process wishes to open
+ it with flags as in open(2). The return value to the kernel differs
+ for Unix and Windows systems. For Unix systems the Coda FS Driver is
+ informed of the device and inode number of the container file in the
+ fields dev and inode. For Windows the path of the container file is
+ returned to the kernel.
+
+
+ .. Note::
+
+ Currently the cfs_open_out structure is not properly adapted to
+ deal with the Windows case. It might be best to implement two
+ upcalls, one to open aiming at a container file name, the other at a
+ container file inode.
+
+
+4.16. close
+------------
+
+
+ Summary
+ Close a file, update it on the servers.
+
+ Arguments
+ in::
+
+ struct cfs_close_in {
+ ViceFid VFid;
+ int flags;
+ } cfs_close;
+
+
+
+ out
+
+ none
+
+ Description
+ Close the file identified by VFid.
+
+ .. Note::
+
+ The flags argument is bogus and not used. However, Venus' code
+ has room to deal with an execp input field, probably this field should
+ be used to inform Venus that the file was closed but is still memory
+ mapped for execution. There are comments about fetching versus not
+ fetching the data in Venus vproc_vfscalls. This seems silly. If a
+ file is being closed, the data in the container file is to be the new
+ data. Here again the execp flag might be in play to create confusion:
+ currently Venus might think a file can be flushed from the cache when
+ it is still memory mapped. This needs to be understood.
+
+
+4.17. ioctl
+------------
+
+
+ Summary
+ Do an ioctl on a file. This includes the pioctl interface.
+
+ Arguments
+ in::
+
+ struct cfs_ioctl_in {
+ ViceFid VFid;
+ int cmd;
+ int len;
+ int rwflag;
+ char *data; /* Place holder for data. */
+ } cfs_ioctl;
+
+
+
+ out::
+
+
+ struct cfs_ioctl_out {
+ int len;
+ caddr_t data; /* Place holder for data. */
+ } cfs_ioctl;
+
+
+
+ Description
+ Do an ioctl operation on a file. The command, len and
+ data arguments are filled as usual. flags is not used by Venus.
+
+ .. Note::
+
+ Another bogus parameter. flags is not used. What is the
+ business about PREFETCHING in the Venus code?
+
+
+
+4.18. rename
+-------------
+
+
+ Summary
+ Rename a fid.
+
+ Arguments
+ in::
+
+ struct cfs_rename_in {
+ ViceFid sourceFid;
+ char *srcname;
+ ViceFid destFid;
+ char *destname;
+ } cfs_rename;
+
+
+
+ out
+
+ none
+
+ Description
+ Rename the object with name srcname in directory
+ sourceFid to destname in destFid. It is important that the names
+ srcname and destname are 0 terminated strings. Strings in Unix
+ kernels are not always null terminated.
+
+
+4.19. readdir
+--------------
+
+
+ Summary
+ Read directory entries.
+
+ Arguments
+ in::
+
+ struct cfs_readdir_in {
+ ViceFid VFid;
+ int count;
+ int offset;
+ } cfs_readdir;
+
+
+
+
+ out::
+
+ struct cfs_readdir_out {
+ int size;
+ caddr_t data; /* Place holder for data. */
+ } cfs_readdir;
+
+
+
+ Description
+ Read directory entries from VFid starting at offset and
+ read at most count bytes. Returns the data in data and returns
+ the size in size.
+
+
+ .. Note::
+
+ This call is not used. Readdir operations exploit container
+ files. We will re-evaluate this during the directory revamp which is
+ about to take place.
+
+
+4.20. vget
+-----------
+
+
+ Summary
+ instructs Venus to do an FSDB->Get.
+
+ Arguments
+ in::
+
+ struct cfs_vget_in {
+ ViceFid VFid;
+ } cfs_vget;
+
+
+
+ out::
+
+ struct cfs_vget_out {
+ ViceFid VFid;
+ int vtype;
+ } cfs_vget;
+
+
+
+ Description
+ This upcall asks Venus to do a get operation on an fsobj
+ labelled by VFid.
+
+ .. Note::
+
+ This operation is not used. However, it is extremely useful
+ since it can be used to deal with read/write memory mapped files.
+ These can be "pinned" in the Venus cache using vget and released with
+ inactive.
+
+
+4.21. fsync
+------------
+
+
+ Summary
+ Tell Venus to update the RVM attributes of a file.
+
+ Arguments
+ in::
+
+ struct cfs_fsync_in {
+ ViceFid VFid;
+ } cfs_fsync;
+
+
+
+ out
+
+ none
+
+ Description
+ Ask Venus to update RVM attributes of object VFid. This
+ should be called as part of kernel level fsync type calls. The
+ result indicates if the syncing was successful.
+
+ .. Note:: Linux does not implement this call. It should.
+
+
+4.22. inactive
+---------------
+
+
+ Summary
+ Tell Venus a vnode is no longer in use.
+
+ Arguments
+ in::
+
+ struct cfs_inactive_in {
+ ViceFid VFid;
+ } cfs_inactive;
+
+
+
+ out
+
+ none
+
+ Description
+ This operation returns EOPNOTSUPP.
+
+ .. Note:: This should perhaps be removed.
+
+
+4.23. rdwr
+-----------
+
+
+ Summary
+ Read or write from a file
+
+ Arguments
+ in::
+
+ struct cfs_rdwr_in {
+ ViceFid VFid;
+ int rwflag;
+ int count;
+ int offset;
+ int ioflag;
+ caddr_t data; /* Place holder for data. */
+ } cfs_rdwr;
+
+
+
+
+ out::
+
+ struct cfs_rdwr_out {
+ int rwflag;
+ int count;
+ caddr_t data; /* Place holder for data. */
+ } cfs_rdwr;
+
+
+
+ Description
+ This upcall asks Venus to read or write from a file.
+
+
+ .. Note::
+
+ It should be removed since it is against the Coda philosophy that
+ read/write operations never reach Venus. I have been told the
+ operation does not work. It is not currently used.
+
+
+
+4.24. odymount
+---------------
+
+
+ Summary
+ Allows mounting multiple Coda "filesystems" on one Unix mount point.
+
+ Arguments
+ in::
+
+ struct ody_mount_in {
+ char *name; /* Place holder for data. */
+ } ody_mount;
+
+
+
+ out::
+
+ struct ody_mount_out {
+ ViceFid VFid;
+ } ody_mount;
+
+
+
+ Description
+ Asks Venus to return the rootfid of a Coda system named
+ name. The fid is returned in VFid.
+
+ .. Note::
+
+ This call was used by David for dynamic sets. It should be
+ removed since it causes a jungle of pointers in the VFS mounting area.
+ It is not used by Coda proper. Call is not implemented by Venus.
+
+
+4.25. ody_lookup
+-----------------
+
+
+ Summary
+ Looks up something.
+
+ Arguments
+ in
+
+ irrelevant
+
+
+ out
+
+ irrelevant
+
+
+ .. Note:: Gut it. Call is not implemented by Venus.
+
+
+4.26. ody_expand
+-----------------
+
+
+ Summary
+ expands something in a dynamic set.
+
+ Arguments
+ in
+
+ irrelevant
+
+ out
+
+ irrelevant
+
+ .. Note:: Gut it. Call is not implemented by Venus.
+
+
+4.27. prefetch
+---------------
+
+
+ Summary
+ Prefetch a dynamic set.
+
+ Arguments
+
+ in
+
+ Not documented.
+
+ out
+
+ Not documented.
+
+ Description
+ Venus worker.cc has support for this call, although it is
+ noted that it doesn't work. Not surprising, since the kernel does not
+ have support for it. (ODY_PREFETCH is not a defined operation).
+
+
+ .. Note:: Gut it. It isn't working and isn't used by Coda.
+
+
+
+4.28. signal
+-------------
+
+
+ Summary
+ Send Venus a signal about an upcall.
+
+ Arguments
+ in
+
+ none
+
+ out
+
+ not applicable.
+
+ Description
+ This is an out-of-band upcall to Venus to inform Venus
+ that the calling process received a signal after Venus read the
+ message from the input queue. Venus is supposed to clean up the
+ operation.
+
+ Errors
+ No reply is given.
+
+ .. Note::
+
+ We need to better understand what Venus needs to clean up and if
+ it is doing this correctly. Also we need to handle multiple upcall
+ per system call situations correctly. It would be important to know
+ what state changes in Venus take place after an upcall for which the
+ kernel is responsible for notifying Venus to clean up (e.g. open
+ definitely is such a state change, but many others are maybe not).
+
+
+5. The minicache and downcalls
+===============================
+
+
+ The Coda FS Driver can cache results of lookup and access upcalls, to
+ limit the frequency of upcalls. Upcalls carry a price since a process
+ context switch needs to take place. The counterpart of caching the
+ information is that Venus will notify the FS Driver that cached
+ entries must be flushed or renamed.
+
+ The kernel code generally has to maintain a structure which links the
+ internal file handles (called vnodes in BSD, inodes in Linux and
+ FileHandles in Windows) with the ViceFid's which Venus maintains. The
+ reason is that frequent translations back and forth are needed in
+ order to make upcalls and use the results of upcalls. Such linking
+ objects are called cnodes.
+
+ The current minicache implementations have cache entries which record
+ the following:
+
+ 1. the name of the file
+
+ 2. the cnode of the directory containing the object
+
+ 3. a list of CodaCred's for which the lookup is permitted.
+
+ 4. the cnode of the object
+
+ The lookup call in the Coda FS Driver may request the cnode of the
+ desired object from the cache, by passing its name, directory and the
+ CodaCred's of the caller. The cache will return the cnode or indicate
+ that it cannot be found. The Coda FS Driver must be careful to
+ invalidate cache entries when it modifies or removes objects.
+
+ When Venus obtains information that indicates that cache entries are
+ no longer valid, it will make a downcall to the kernel. Downcalls are
+ intercepted by the Coda FS Driver and lead to cache invalidations of
+ the kind described below. The Coda FS Driver does not return an error
+ unless the downcall data could not be read into kernel memory.
+
+
+5.1. INVALIDATE
+----------------
+
+
+ No information is available on this call.
+
+
+5.2. FLUSH
+-----------
+
+
+
+ Arguments
+ None
+
+ Summary
+ Flush the name cache entirely.
+
+ Description
+ Venus issues this call upon startup and when it dies. This
+ is to prevent stale cache information being held. Some operating
+ systems allow the kernel name cache to be switched off dynamically.
+ When this is done, this downcall is made.
+
+
+5.3. PURGEUSER
+---------------
+
+
+ Arguments
+ ::
+
+ struct cfs_purgeuser_out {/* CFS_PURGEUSER is a venus->kernel call */
+ struct CodaCred cred;
+ } cfs_purgeuser;
+
+
+
+ Description
+ Remove all entries in the cache carrying the Cred. This
+ call is issued when tokens for a user expire or are flushed.
+
+
+5.4. ZAPFILE
+-------------
+
+
+ Arguments
+ ::
+
+ struct cfs_zapfile_out { /* CFS_ZAPFILE is a venus->kernel call */
+ ViceFid CodaFid;
+ } cfs_zapfile;
+
+
+
+ Description
+ Remove all entries which have the (dir vnode, name) pair.
+ This is issued as a result of an invalidation of cached attributes of
+ a vnode.
+
+ .. Note::
+
+ Call is not named correctly in NetBSD and Mach. The minicache
+ zapfile routine takes different arguments. Linux does not implement
+ the invalidation of attributes correctly.
+
+
+
+5.5. ZAPDIR
+------------
+
+
+ Arguments
+ ::
+
+ struct cfs_zapdir_out { /* CFS_ZAPDIR is a venus->kernel call */
+ ViceFid CodaFid;
+ } cfs_zapdir;
+
+
+
+ Description
+ Remove all entries in the cache lying in a directory
+ CodaFid, and all children of this directory. This call is issued when
+ Venus receives a callback on the directory.
+
+
+5.6. ZAPVNODE
+--------------
+
+
+
+ Arguments
+ ::
+
+ struct cfs_zapvnode_out { /* CFS_ZAPVNODE is a venus->kernel call */
+ struct CodaCred cred;
+ ViceFid VFid;
+ } cfs_zapvnode;
+
+
+
+ Description
+ Remove all entries in the cache carrying the cred and VFid
+ as in the arguments. This downcall is probably never issued.
+
+
+5.7. PURGEFID
+--------------
+
+
+ Arguments
+ ::
+
+ struct cfs_purgefid_out { /* CFS_PURGEFID is a venus->kernel call */
+ ViceFid CodaFid;
+ } cfs_purgefid;
+
+
+
+ Description
+ Flush the attribute for the file. If it is a dir (odd
+ vnode), purge its children from the namecache and remove the file from the
+ namecache.
+
+
+
+5.8. REPLACE
+-------------
+
+
+ Summary
+ Replace the Fid's for a collection of names.
+
+ Arguments
+ ::
+
+ struct cfs_replace_out { /* cfs_replace is a venus->kernel call */
+ ViceFid NewFid;
+ ViceFid OldFid;
+ } cfs_replace;
+
+
+
+ Description
+ This routine replaces a ViceFid in the name cache with
+ another. It is added to allow Venus during reintegration to replace
+ locally allocated temp fids while disconnected with global fids even
+ when the reference counts on those fids are not zero.
+
+
+6. Initialization and cleanup
+==============================
+
+
+ This section gives brief hints as to desirable features for the Coda
+ FS Driver at startup and upon shutdown or Venus failures. Before
+ entering the discussion it is useful to repeat that the Coda FS Driver
+ maintains the following data:
+
+
+ 1. message queues
+
+ 2. cnodes
+
+ 3. name cache entries
+
+ The name cache entries are entirely private to the driver, so they
+ can easily be manipulated. The message queues will generally have
+ clear points of initialization and destruction. The cnodes are
+ much more delicate. User processes hold reference counts in Coda
+ filesystems and it can be difficult to clean up the cnodes.
+
+ It can expect requests through:
+
+ 1. the message subsystem
+
+ 2. the VFS layer
+
+ 3. pioctl interface
+
+ Currently the pioctl passes through the VFS for Coda so we can
+ treat these similarly.
+
+
+6.1. Requirements
+------------------
+
+
+ The following requirements should be accommodated:
+
+ 1. The message queues should have open and close routines. On Unix
+ the opening of the character devices are such routines.
+
+ - Before opening, no messages can be placed.
+
+ - Opening will remove any old messages still pending.
+
+ - Close will notify any sleeping processes that their upcall cannot
+ be completed.
+
+ - Close will free all memory allocated by the message queues.
+
+
+ 2. At open the namecache shall be initialized to empty state.
+
+ 3. Before the message queues are open, all VFS operations will fail.
+ Fortunately this can be achieved by making sure than mounting the
+ Coda filesystem cannot succeed before opening.
+
+ 4. After closing of the queues, no VFS operations can succeed. Here
+ one needs to be careful, since a few operations (lookup,
+ read/write, readdir) can proceed without upcalls. These must be
+ explicitly blocked.
+
+ 5. Upon closing the namecache shall be flushed and disabled.
+
+ 6. All memory held by cnodes can be freed without relying on upcalls.
+
+ 7. Unmounting the file system can be done without relying on upcalls.
+
+ 8. Mounting the Coda filesystem should fail gracefully if Venus cannot
+ get the rootfid or the attributes of the rootfid. The latter is
+ best implemented by Venus fetching these objects before attempting
+ to mount.
+
+ .. Note::
+
+ NetBSD in particular but also Linux have not implemented the
+ above requirements fully. For smooth operation this needs to be
+ corrected.
+
+
+
diff --git a/Documentation/filesystems/coda.txt b/Documentation/filesystems/coda.txt
deleted file mode 100644
index 1711ad48e38a..000000000000
--- a/Documentation/filesystems/coda.txt
+++ /dev/null
@@ -1,1676 +0,0 @@
-NOTE:
-This is one of the technical documents describing a component of
-Coda -- this document describes the client kernel-Venus interface.
-
-For more information:
- http://www.coda.cs.cmu.edu
-For user level software needed to run Coda:
- ftp://ftp.coda.cs.cmu.edu
-
-To run Coda you need to get a user level cache manager for the client,
-named Venus, as well as tools to manipulate ACLs, to log in, etc. The
-client needs to have the Coda filesystem selected in the kernel
-configuration.
-
-The server needs a user level server and at present does not depend on
-kernel support.
-
-
-
-
-
-
-
- The Venus kernel interface
- Peter J. Braam
- v1.0, Nov 9, 1997
-
- This document describes the communication between Venus and kernel
- level filesystem code needed for the operation of the Coda file sys-
- tem. This document version is meant to describe the current interface
- (version 1.0) as well as improvements we envisage.
- ______________________________________________________________________
-
- Table of Contents
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- 1. Introduction
-
- 2. Servicing Coda filesystem calls
-
- 3. The message layer
-
- 3.1 Implementation details
-
- 4. The interface at the call level
-
- 4.1 Data structures shared by the kernel and Venus
- 4.2 The pioctl interface
- 4.3 root
- 4.4 lookup
- 4.5 getattr
- 4.6 setattr
- 4.7 access
- 4.8 create
- 4.9 mkdir
- 4.10 link
- 4.11 symlink
- 4.12 remove
- 4.13 rmdir
- 4.14 readlink
- 4.15 open
- 4.16 close
- 4.17 ioctl
- 4.18 rename
- 4.19 readdir
- 4.20 vget
- 4.21 fsync
- 4.22 inactive
- 4.23 rdwr
- 4.24 odymount
- 4.25 ody_lookup
- 4.26 ody_expand
- 4.27 prefetch
- 4.28 signal
-
- 5. The minicache and downcalls
-
- 5.1 INVALIDATE
- 5.2 FLUSH
- 5.3 PURGEUSER
- 5.4 ZAPFILE
- 5.5 ZAPDIR
- 5.6 ZAPVNODE
- 5.7 PURGEFID
- 5.8 REPLACE
-
- 6. Initialization and cleanup
-
- 6.1 Requirements
-
-
- ______________________________________________________________________
- 0wpage
-
- 11.. IInnttrroodduuccttiioonn
-
-
-
- A key component in the Coda Distributed File System is the cache
- manager, _V_e_n_u_s.
-
-
- When processes on a Coda enabled system access files in the Coda
- filesystem, requests are directed at the filesystem layer in the
- operating system. The operating system will communicate with Venus to
- service the request for the process. Venus manages a persistent
- client cache and makes remote procedure calls to Coda file servers and
- related servers (such as authentication servers) to service these
- requests it receives from the operating system. When Venus has
- serviced a request it replies to the operating system with appropriate
- return codes, and other data related to the request. Optionally the
- kernel support for Coda may maintain a minicache of recently processed
- requests to limit the number of interactions with Venus. Venus
- possesses the facility to inform the kernel when elements from its
- minicache are no longer valid.
-
- This document describes precisely this communication between the
- kernel and Venus. The definitions of so called upcalls and downcalls
- will be given with the format of the data they handle. We shall also
- describe the semantic invariants resulting from the calls.
-
- Historically Coda was implemented in a BSD file system in Mach 2.6.
- The interface between the kernel and Venus is very similar to the BSD
- VFS interface. Similar functionality is provided, and the format of
- the parameters and returned data is very similar to the BSD VFS. This
- leads to an almost natural environment for implementing a kernel-level
- filesystem driver for Coda in a BSD system. However, other operating
- systems such as Linux and Windows 95 and NT have virtual filesystem
- with different interfaces.
-
- To implement Coda on these systems some reverse engineering of the
- Venus/Kernel protocol is necessary. Also it came to light that other
- systems could profit significantly from certain small optimizations
- and modifications to the protocol. To facilitate this work as well as
- to make future ports easier, communication between Venus and the
- kernel should be documented in great detail. This is the aim of this
- document.
-
- 0wpage
-
- 22.. SSeerrvviicciinngg CCooddaa ffiilleessyysstteemm ccaallllss
-
- The service of a request for a Coda file system service originates in
- a process PP which accessing a Coda file. It makes a system call which
- traps to the OS kernel. Examples of such calls trapping to the kernel
- are _r_e_a_d_, _w_r_i_t_e_, _o_p_e_n_, _c_l_o_s_e_, _c_r_e_a_t_e_, _m_k_d_i_r_, _r_m_d_i_r_, _c_h_m_o_d in a Unix
- context. Similar calls exist in the Win32 environment, and are named
- _C_r_e_a_t_e_F_i_l_e_, .
-
- Generally the operating system handles the request in a virtual
- filesystem (VFS) layer, which is named I/O Manager in NT and IFS
- manager in Windows 95. The VFS is responsible for partial processing
- of the request and for locating the specific filesystem(s) which will
- service parts of the request. Usually the information in the path
- assists in locating the correct FS drivers. Sometimes after extensive
- pre-processing, the VFS starts invoking exported routines in the FS
- driver. This is the point where the FS specific processing of the
- request starts, and here the Coda specific kernel code comes into
- play.
-
- The FS layer for Coda must expose and implement several interfaces.
- First and foremost the VFS must be able to make all necessary calls to
- the Coda FS layer, so the Coda FS driver must expose the VFS interface
- as applicable in the operating system. These differ very significantly
- among operating systems, but share features such as facilities to
- read/write and create and remove objects. The Coda FS layer services
- such VFS requests by invoking one or more well defined services
- offered by the cache manager Venus. When the replies from Venus have
- come back to the FS driver, servicing of the VFS call continues and
- finishes with a reply to the kernel's VFS. Finally the VFS layer
- returns to the process.
-
- As a result of this design a basic interface exposed by the FS driver
- must allow Venus to manage message traffic. In particular Venus must
- be able to retrieve and place messages and to be notified of the
- arrival of a new message. The notification must be through a mechanism
- which does not block Venus since Venus must attend to other tasks even
- when no messages are waiting or being processed.
-
-
-
-
-
-
- Interfaces of the Coda FS Driver
-
- Furthermore the FS layer provides for a special path of communication
- between a user process and Venus, called the pioctl interface. The
- pioctl interface is used for Coda specific services, such as
- requesting detailed information about the persistent cache managed by
- Venus. Here the involvement of the kernel is minimal. It identifies
- the calling process and passes the information on to Venus. When
- Venus replies the response is passed back to the caller in unmodified
- form.
-
- Finally Venus allows the kernel FS driver to cache the results from
- certain services. This is done to avoid excessive context switches
- and results in an efficient system. However, Venus may acquire
- information, for example from the network which implies that cached
- information must be flushed or replaced. Venus then makes a downcall
- to the Coda FS layer to request flushes or updates in the cache. The
- kernel FS driver handles such requests synchronously.
-
- Among these interfaces the VFS interface and the facility to place,
- receive and be notified of messages are platform specific. We will
- not go into the calls exported to the VFS layer but we will state the
- requirements of the message exchange mechanism.
-
- 0wpage
-
- 33.. TThhee mmeessssaaggee llaayyeerr
-
-
-
- At the lowest level the communication between Venus and the FS driver
- proceeds through messages. The synchronization between processes
- requesting Coda file service and Venus relies on blocking and waking
- up processes. The Coda FS driver processes VFS- and pioctl-requests
- on behalf of a process P, creates messages for Venus, awaits replies
- and finally returns to the caller. The implementation of the exchange
- of messages is platform specific, but the semantics have (so far)
- appeared to be generally applicable. Data buffers are created by the
- FS Driver in kernel memory on behalf of P and copied to user memory in
- Venus.
-
- The FS Driver while servicing P makes upcalls to Venus. Such an
- upcall is dispatched to Venus by creating a message structure. The
- structure contains the identification of P, the message sequence
- number, the size of the request and a pointer to the data in kernel
- memory for the request. Since the data buffer is re-used to hold the
- reply from Venus, there is a field for the size of the reply. A flags
- field is used in the message to precisely record the status of the
- message. Additional platform dependent structures involve pointers to
- determine the position of the message on queues and pointers to
- synchronization objects. In the upcall routine the message structure
- is filled in, flags are set to 0, and it is placed on the _p_e_n_d_i_n_g
- queue. The routine calling upcall is responsible for allocating the
- data buffer; its structure will be described in the next section.
-
- A facility must exist to notify Venus that the message has been
- created, and implemented using available synchronization objects in
- the OS. This notification is done in the upcall context of the process
- P. When the message is on the pending queue, process P cannot proceed
- in upcall. The (kernel mode) processing of P in the filesystem
- request routine must be suspended until Venus has replied. Therefore
- the calling thread in P is blocked in upcall. A pointer in the
- message structure will locate the synchronization object on which P is
- sleeping.
-
- Venus detects the notification that a message has arrived, and the FS
- driver allow Venus to retrieve the message with a getmsg_from_kernel
- call. This action finishes in the kernel by putting the message on the
- queue of processing messages and setting flags to READ. Venus is
- passed the contents of the data buffer. The getmsg_from_kernel call
- now returns and Venus processes the request.
-
- At some later point the FS driver receives a message from Venus,
- namely when Venus calls sendmsg_to_kernel. At this moment the Coda FS
- driver looks at the contents of the message and decides if:
-
-
- +o the message is a reply for a suspended thread P. If so it removes
- the message from the processing queue and marks the message as
- WRITTEN. Finally, the FS driver unblocks P (still in the kernel
- mode context of Venus) and the sendmsg_to_kernel call returns to
- Venus. The process P will be scheduled at some point and continues
- processing its upcall with the data buffer replaced with the reply
- from Venus.
-
- +o The message is a _d_o_w_n_c_a_l_l. A downcall is a request from Venus to
- the FS Driver. The FS driver processes the request immediately
- (usually a cache eviction or replacement) and when it finishes
- sendmsg_to_kernel returns.
-
- Now P awakes and continues processing upcall. There are some
- subtleties to take account of. First P will determine if it was woken
- up in upcall by a signal from some other source (for example an
- attempt to terminate P) or as is normally the case by Venus in its
- sendmsg_to_kernel call. In the normal case, the upcall routine will
- deallocate the message structure and return. The FS routine can proceed
- with its processing.
-
-
-
-
-
-
-
- Sleeping and IPC arrangements
-
- In case P is woken up by a signal and not by Venus, it will first look
- at the flags field. If the message is not yet READ, the process P can
- handle its signal without notifying Venus. If Venus has READ, and
- the request should not be processed, P can send Venus a signal message
- to indicate that it should disregard the previous message. Such
- signals are put in the queue at the head, and read first by Venus. If
- the message is already marked as WRITTEN it is too late to stop the
- processing. The VFS routine will now continue. (-- If a VFS request
- involves more than one upcall, this can lead to complicated state, an
- extra field "handle_signals" could be added in the message structure
- to indicate points of no return have been passed.--)
-
-
-
- 33..11.. IImmpplleemmeennttaattiioonn ddeettaaiillss
-
- The Unix implementation of this mechanism has been through the
- implementation of a character device associated with Coda. Venus
- retrieves messages by doing a read on the device, replies are sent
- with a write and notification is through the select system call on the
- file descriptor for the device. The process P is kept waiting on an
- interruptible wait queue object.
-
- In Windows NT and the DPMI Windows 95 implementation a DeviceIoControl
- call is used. The DeviceIoControl call is designed to copy buffers
- from user memory to kernel memory with OPCODES. The sendmsg_to_kernel
- is issued as a synchronous call, while the getmsg_from_kernel call is
- asynchronous. Windows EventObjects are used for notification of
- message arrival. The process P is kept waiting on a KernelEvent
- object in NT and a semaphore in Windows 95.
-
- 0wpage
-
- 44.. TThhee iinntteerrffaaccee aatt tthhee ccaallll lleevveell
-
-
- This section describes the upcalls a Coda FS driver can make to Venus.
- Each of these upcalls make use of two structures: inputArgs and
- outputArgs. In pseudo BNF form the structures take the following
- form:
-
-
- struct inputArgs {
- u_long opcode;
- u_long unique; /* Keep multiple outstanding msgs distinct */
- u_short pid; /* Common to all */
- u_short pgid; /* Common to all */
- struct CodaCred cred; /* Common to all */
-
- <union "in" of call dependent parts of inputArgs>
- };
-
- struct outputArgs {
- u_long opcode;
- u_long unique; /* Keep multiple outstanding msgs distinct */
- u_long result;
-
- <union "out" of call dependent parts of inputArgs>
- };
-
-
-
- Before going on let us elucidate the role of the various fields. The
- inputArgs start with the opcode which defines the type of service
- requested from Venus. There are approximately 30 upcalls at present
- which we will discuss. The unique field labels the inputArg with a
- unique number which will identify the message uniquely. A process and
- process group id are passed. Finally the credentials of the caller
- are included.
-
- Before delving into the specific calls we need to discuss a variety of
- data structures shared by the kernel and Venus.
-
-
-
-
- 44..11.. DDaattaa ssttrruuccttuurreess sshhaarreedd bbyy tthhee kkeerrnneell aanndd VVeennuuss
-
-
- The CodaCred structure defines a variety of user and group ids as
- they are set for the calling process. The vuid_t and vgid_t are 32 bit
- unsigned integers. It also defines group membership in an array. On
- Unix the CodaCred has proven sufficient to implement good security
- semantics for Coda but the structure may have to undergo modification
- for the Windows environment when these mature.
-
- struct CodaCred {
- vuid_t cr_uid, cr_euid, cr_suid, cr_fsuid; /* Real, effective, set, fs uid */
- vgid_t cr_gid, cr_egid, cr_sgid, cr_fsgid; /* same for groups */
- vgid_t cr_groups[NGROUPS]; /* Group membership for caller */
- };
-
-
-
- NNOOTTEE It is questionable if we need CodaCreds in Venus. Finally Venus
- doesn't know about groups, although it does create files with the
- default uid/gid. Perhaps the list of group membership is superfluous.
-
-
- The next item is the fundamental identifier used to identify Coda
- files, the ViceFid. A fid of a file uniquely defines a file or
- directory in the Coda filesystem within a _c_e_l_l. (-- A _c_e_l_l is a
- group of Coda servers acting under the aegis of a single system
- control machine or SCM. See the Coda Administration manual for a
- detailed description of the role of the SCM.--)
-
-
- typedef struct ViceFid {
- VolumeId Volume;
- VnodeId Vnode;
- Unique_t Unique;
- } ViceFid;
-
-
-
- Each of the constituent fields: VolumeId, VnodeId and Unique_t are
- unsigned 32 bit integers. We envisage that a further field will need
- to be prefixed to identify the Coda cell; this will probably take the
- form of a Ipv6 size IP address naming the Coda cell through DNS.
-
- The next important structure shared between Venus and the kernel is
- the attributes of the file. The following structure is used to
- exchange information. It has room for future extensions such as
- support for device files (currently not present in Coda).
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- struct coda_timespec {
- int64_t tv_sec; /* seconds */
- long tv_nsec; /* nanoseconds */
- };
-
- struct coda_vattr {
- enum coda_vtype va_type; /* vnode type (for create) */
- u_short va_mode; /* files access mode and type */
- short va_nlink; /* number of references to file */
- vuid_t va_uid; /* owner user id */
- vgid_t va_gid; /* owner group id */
- long va_fsid; /* file system id (dev for now) */
- long va_fileid; /* file id */
- u_quad_t va_size; /* file size in bytes */
- long va_blocksize; /* blocksize preferred for i/o */
- struct coda_timespec va_atime; /* time of last access */
- struct coda_timespec va_mtime; /* time of last modification */
- struct coda_timespec va_ctime; /* time file changed */
- u_long va_gen; /* generation number of file */
- u_long va_flags; /* flags defined for file */
- dev_t va_rdev; /* device special file represents */
- u_quad_t va_bytes; /* bytes of disk space held by file */
- u_quad_t va_filerev; /* file modification number */
- u_int va_vaflags; /* operations flags, see below */
- long va_spare; /* remain quad aligned */
- };
-
-
-
-
- 44..22.. TThhee ppiiooccttll iinntteerrffaaccee
-
-
- Coda specific requests can be made by application through the pioctl
- interface. The pioctl is implemented as an ordinary ioctl on a
- fictitious file /coda/.CONTROL. The pioctl call opens this file, gets
- a file handle and makes the ioctl call. Finally it closes the file.
-
- The kernel involvement in this is limited to providing the facility to
- open and close and pass the ioctl message _a_n_d to verify that a path in
- the pioctl data buffers is a file in a Coda filesystem.
-
- The kernel is handed a data packet of the form:
-
- struct {
- const char *path;
- struct ViceIoctl vidata;
- int follow;
- } data;
-
-
-
- where
-
-
- struct ViceIoctl {
- caddr_t in, out; /* Data to be transferred in, or out */
- short in_size; /* Size of input buffer <= 2K */
- short out_size; /* Maximum size of output buffer, <= 2K */
- };
-
-
-
- The path must be a Coda file, otherwise the ioctl upcall will not be
- made.
-
- NNOOTTEE The data structures and code are a mess. We need to clean this
- up.
-
- We now proceed to document the individual calls:
-
- 0wpage
-
- 44..33.. rroooott
-
-
- AArrgguummeennttss
-
- iinn empty
-
- oouutt
-
- struct cfs_root_out {
- ViceFid VFid;
- } cfs_root;
-
-
-
- DDeessccrriippttiioonn This call is made to Venus during the initialization of
- the Coda filesystem. If the result is zero, the cfs_root structure
- contains the ViceFid of the root of the Coda filesystem. If a non-zero
- result is generated, its value is a platform dependent error code
- indicating the difficulty Venus encountered in locating the root of
- the Coda filesystem.
-
- 0wpage
-
- 44..44.. llooookkuupp
-
-
- SSuummmmaarryy Find the ViceFid and type of an object in a directory if it
- exists.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_lookup_in {
- ViceFid VFid;
- char *name; /* Place holder for data. */
- } cfs_lookup;
-
-
-
- oouutt
-
- struct cfs_lookup_out {
- ViceFid VFid;
- int vtype;
- } cfs_lookup;
-
-
-
- DDeessccrriippttiioonn This call is made to determine the ViceFid and filetype of
- a directory entry. The directory entry requested carries name name
- and Venus will search the directory identified by cfs_lookup_in.VFid.
- The result may indicate that the name does not exist, or that
- difficulty was encountered in finding it (e.g. due to disconnection).
- If the result is zero, the field cfs_lookup_out.VFid contains the
- targets ViceFid and cfs_lookup_out.vtype the coda_vtype giving the
- type of object the name designates.
-
- The name of the object is an 8 bit character string of maximum length
- CFS_MAXNAMLEN, currently set to 256 (including a 0 terminator.)
-
- It is extremely important to realize that Venus bitwise ors the field
- cfs_lookup.vtype with CFS_NOCACHE to indicate that the object should
- not be put in the kernel name cache.
-
- NNOOTTEE The type of the vtype is currently wrong. It should be
- coda_vtype. Linux does not take note of CFS_NOCACHE. It should.
-
- 0wpage
-
- 44..55.. ggeettaattttrr
-
-
- SSuummmmaarryy Get the attributes of a file.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_getattr_in {
- ViceFid VFid;
- struct coda_vattr attr; /* XXXXX */
- } cfs_getattr;
-
-
-
- oouutt
-
- struct cfs_getattr_out {
- struct coda_vattr attr;
- } cfs_getattr;
-
-
-
- DDeessccrriippttiioonn This call returns the attributes of the file identified by
- fid.
-
- EErrrroorrss Errors can occur if the object with fid does not exist, is
- unaccessible or if the caller does not have permission to fetch
- attributes.
-
- NNoottee Many kernel FS drivers (Linux, NT and Windows 95) need to acquire
- the attributes as well as the Fid for the instantiation of an internal
- "inode" or "FileHandle". A significant improvement in performance on
- such systems could be made by combining the _l_o_o_k_u_p and _g_e_t_a_t_t_r calls
- both at the Venus/kernel interaction level and at the RPC level.
-
- The vattr structure included in the input arguments is superfluous and
- should be removed.
-
- 0wpage
-
- 44..66.. sseettaattttrr
-
-
- SSuummmmaarryy Set the attributes of a file.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_setattr_in {
- ViceFid VFid;
- struct coda_vattr attr;
- } cfs_setattr;
-
-
-
-
- oouutt
- empty
-
- DDeessccrriippttiioonn The structure attr is filled with attributes to be changed
- in BSD style. Attributes not to be changed are set to -1, apart from
- vtype which is set to VNON. Other are set to the value to be assigned.
- The only attributes which the FS driver may request to change are the
- mode, owner, groupid, atime, mtime and ctime. The return value
- indicates success or failure.
-
- EErrrroorrss A variety of errors can occur. The object may not exist, may
- be inaccessible, or permission may not be granted by Venus.
-
- 0wpage
-
- 44..77.. aacccceessss
-
-
- SSuummmmaarryy
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_access_in {
- ViceFid VFid;
- int flags;
- } cfs_access;
-
-
-
- oouutt
- empty
-
- DDeessccrriippttiioonn Verify if access to the object identified by VFid for
- operations described by flags is permitted. The result indicates if
- access will be granted. It is important to remember that Coda uses
- ACLs to enforce protection and that ultimately the servers, not the
- clients enforce the security of the system. The result of this call
- will depend on whether a _t_o_k_e_n is held by the user.
-
- EErrrroorrss The object may not exist, or the ACL describing the protection
- may not be accessible.
-
- 0wpage
-
- 44..88.. ccrreeaattee
-
-
- SSuummmmaarryy Invoked to create a file
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_create_in {
- ViceFid VFid;
- struct coda_vattr attr;
- int excl;
- int mode;
- char *name; /* Place holder for data. */
- } cfs_create;
-
-
-
-
- oouutt
-
- struct cfs_create_out {
- ViceFid VFid;
- struct coda_vattr attr;
- } cfs_create;
-
-
-
- DDeessccrriippttiioonn This upcall is invoked to request creation of a file.
- The file will be created in the directory identified by VFid, its name
- will be name, and the mode will be mode. If excl is set an error will
- be returned if the file already exists. If the size field in attr is
- set to zero the file will be truncated. The uid and gid of the file
- are set by converting the CodaCred to a uid using a macro CRTOUID
- (this macro is platform dependent). Upon success the VFid and
- attributes of the file are returned. The Coda FS Driver will normally
- instantiate a vnode, inode or file handle at kernel level for the new
- object.
-
-
- EErrrroorrss A variety of errors can occur. Permissions may be insufficient.
- If the object exists and is not a file the error EISDIR is returned
- under Unix.
-
- NNOOTTEE The packing of parameters is very inefficient and appears to
- indicate confusion between the system call creat and the VFS operation
- create. The VFS operation create is only called to create new objects.
- This create call differs from the Unix one in that it is not invoked
- to return a file descriptor. The truncate and exclusive options,
- together with the mode, could simply be part of the mode as it is
- under Unix. There should be no flags argument; this is used in open
- (2) to return a file descriptor for READ or WRITE mode.
-
- The attributes of the directory should be returned too, since the size
- and mtime changed.
-
- 0wpage
-
- 44..99.. mmkkddiirr
-
-
- SSuummmmaarryy Create a new directory.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_mkdir_in {
- ViceFid VFid;
- struct coda_vattr attr;
- char *name; /* Place holder for data. */
- } cfs_mkdir;
-
-
-
- oouutt
-
- struct cfs_mkdir_out {
- ViceFid VFid;
- struct coda_vattr attr;
- } cfs_mkdir;
-
-
-
-
- DDeessccrriippttiioonn This call is similar to create but creates a directory.
- Only the mode field in the input parameters is used for creation.
- Upon successful creation, the attr returned contains the attributes of
- the new directory.
-
- EErrrroorrss As for create.
-
- NNOOTTEE The input parameter should be changed to mode instead of
- attributes.
-
- The attributes of the parent should be returned since the size and
- mtime changes.
-
- 0wpage
-
- 44..1100.. lliinnkk
-
-
- SSuummmmaarryy Create a link to an existing file.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_link_in {
- ViceFid sourceFid; /* cnode to link *to* */
- ViceFid destFid; /* Directory in which to place link */
- char *tname; /* Place holder for data. */
- } cfs_link;
-
-
-
- oouutt
- empty
-
- DDeessccrriippttiioonn This call creates a link to the sourceFid in the directory
- identified by destFid with name tname. The source must reside in the
- target's parent, i.e. the source must be have parent destFid, i.e. Coda
- does not support cross directory hard links. Only the return value is
- relevant. It indicates success or the type of failure.
-
- EErrrroorrss The usual errors can occur.0wpage
-
- 44..1111.. ssyymmlliinnkk
-
-
- SSuummmmaarryy create a symbolic link
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_symlink_in {
- ViceFid VFid; /* Directory to put symlink in */
- char *srcname;
- struct coda_vattr attr;
- char *tname;
- } cfs_symlink;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Create a symbolic link. The link is to be placed in the
- directory identified by VFid and named tname. It should point to the
- pathname srcname. The attributes of the newly created object are to
- be set to attr.
-
- EErrrroorrss
-
- NNOOTTEE The attributes of the target directory should be returned since
- its size changed.
-
- 0wpage
-
- 44..1122.. rreemmoovvee
-
-
- SSuummmmaarryy Remove a file
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_remove_in {
- ViceFid VFid;
- char *name; /* Place holder for data. */
- } cfs_remove;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Remove file named cfs_remove_in.name in directory
- identified by VFid.
-
- EErrrroorrss
-
- NNOOTTEE The attributes of the directory should be returned since its
- mtime and size may change.
-
- 0wpage
-
- 44..1133.. rrmmddiirr
-
-
- SSuummmmaarryy Remove a directory
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_rmdir_in {
- ViceFid VFid;
- char *name; /* Place holder for data. */
- } cfs_rmdir;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Remove the directory with name name from the directory
- identified by VFid.
-
- EErrrroorrss
-
- NNOOTTEE The attributes of the parent directory should be returned since
- its mtime and size may change.
-
- 0wpage
-
- 44..1144.. rreeaaddlliinnkk
-
-
- SSuummmmaarryy Read the value of a symbolic link.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_readlink_in {
- ViceFid VFid;
- } cfs_readlink;
-
-
-
- oouutt
-
- struct cfs_readlink_out {
- int count;
- caddr_t data; /* Place holder for data. */
- } cfs_readlink;
-
-
-
- DDeessccrriippttiioonn This routine reads the contents of symbolic link
- identified by VFid into the buffer data. The buffer data must be able
- to hold any name up to CFS_MAXNAMLEN (PATH or NAM??).
-
- EErrrroorrss No unusual errors.
-
- 0wpage
-
- 44..1155.. ooppeenn
-
-
- SSuummmmaarryy Open a file.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_open_in {
- ViceFid VFid;
- int flags;
- } cfs_open;
-
-
-
- oouutt
-
- struct cfs_open_out {
- dev_t dev;
- ino_t inode;
- } cfs_open;
-
-
-
- DDeessccrriippttiioonn This request asks Venus to place the file identified by
- VFid in its cache and to note that the calling process wishes to open
- it with flags as in open(2). The return value to the kernel differs
- for Unix and Windows systems. For Unix systems the Coda FS Driver is
- informed of the device and inode number of the container file in the
- fields dev and inode. For Windows the path of the container file is
- returned to the kernel.
- EErrrroorrss
-
- NNOOTTEE Currently the cfs_open_out structure is not properly adapted to
- deal with the Windows case. It might be best to implement two
- upcalls, one to open aiming at a container file name, the other at a
- container file inode.
-
- 0wpage
-
- 44..1166.. cclloossee
-
-
- SSuummmmaarryy Close a file, update it on the servers.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_close_in {
- ViceFid VFid;
- int flags;
- } cfs_close;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Close the file identified by VFid.
-
- EErrrroorrss
-
- NNOOTTEE The flags argument is bogus and not used. However, Venus' code
- has room to deal with an execp input field, probably this field should
- be used to inform Venus that the file was closed but is still memory
- mapped for execution. There are comments about fetching versus not
- fetching the data in Venus vproc_vfscalls. This seems silly. If a
- file is being closed, the data in the container file is to be the new
- data. Here again the execp flag might be in play to create confusion:
- currently Venus might think a file can be flushed from the cache when
- it is still memory mapped. This needs to be understood.
-
- 0wpage
-
- 44..1177.. iiooccttll
-
-
- SSuummmmaarryy Do an ioctl on a file. This includes the pioctl interface.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_ioctl_in {
- ViceFid VFid;
- int cmd;
- int len;
- int rwflag;
- char *data; /* Place holder for data. */
- } cfs_ioctl;
-
-
-
- oouutt
-
-
- struct cfs_ioctl_out {
- int len;
- caddr_t data; /* Place holder for data. */
- } cfs_ioctl;
-
-
-
- DDeessccrriippttiioonn Do an ioctl operation on a file. The command, len and
- data arguments are filled as usual. flags is not used by Venus.
-
- EErrrroorrss
-
- NNOOTTEE Another bogus parameter. flags is not used. What is the
- business about PREFETCHING in the Venus code?
-
-
- 0wpage
-
- 44..1188.. rreennaammee
-
-
- SSuummmmaarryy Rename a fid.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_rename_in {
- ViceFid sourceFid;
- char *srcname;
- ViceFid destFid;
- char *destname;
- } cfs_rename;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Rename the object with name srcname in directory
- sourceFid to destname in destFid. It is important that the names
- srcname and destname are 0 terminated strings. Strings in Unix
- kernels are not always null terminated.
-
- EErrrroorrss
-
- 0wpage
-
- 44..1199.. rreeaaddddiirr
-
-
- SSuummmmaarryy Read directory entries.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_readdir_in {
- ViceFid VFid;
- int count;
- int offset;
- } cfs_readdir;
-
-
-
-
- oouutt
-
- struct cfs_readdir_out {
- int size;
- caddr_t data; /* Place holder for data. */
- } cfs_readdir;
-
-
-
- DDeessccrriippttiioonn Read directory entries from VFid starting at offset and
- read at most count bytes. Returns the data in data and returns
- the size in size.
-
- EErrrroorrss
-
- NNOOTTEE This call is not used. Readdir operations exploit container
- files. We will re-evaluate this during the directory revamp which is
- about to take place.
-
- 0wpage
-
- 44..2200.. vvggeett
-
-
- SSuummmmaarryy instructs Venus to do an FSDB->Get.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_vget_in {
- ViceFid VFid;
- } cfs_vget;
-
-
-
- oouutt
-
- struct cfs_vget_out {
- ViceFid VFid;
- int vtype;
- } cfs_vget;
-
-
-
- DDeessccrriippttiioonn This upcall asks Venus to do a get operation on an fsobj
- labelled by VFid.
-
- EErrrroorrss
-
- NNOOTTEE This operation is not used. However, it is extremely useful
- since it can be used to deal with read/write memory mapped files.
- These can be "pinned" in the Venus cache using vget and released with
- inactive.
-
- 0wpage
-
- 44..2211.. ffssyynncc
-
-
- SSuummmmaarryy Tell Venus to update the RVM attributes of a file.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_fsync_in {
- ViceFid VFid;
- } cfs_fsync;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn Ask Venus to update RVM attributes of object VFid. This
- should be called as part of kernel level fsync type calls. The
- result indicates if the syncing was successful.
-
- EErrrroorrss
-
- NNOOTTEE Linux does not implement this call. It should.
-
- 0wpage
-
- 44..2222.. iinnaaccttiivvee
-
-
- SSuummmmaarryy Tell Venus a vnode is no longer in use.
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_inactive_in {
- ViceFid VFid;
- } cfs_inactive;
-
-
-
- oouutt
- none
-
- DDeessccrriippttiioonn This operation returns EOPNOTSUPP.
-
- EErrrroorrss
-
- NNOOTTEE This should perhaps be removed.
-
- 0wpage
-
- 44..2233.. rrddwwrr
-
-
- SSuummmmaarryy Read or write from a file
-
- AArrgguummeennttss
-
- iinn
-
- struct cfs_rdwr_in {
- ViceFid VFid;
- int rwflag;
- int count;
- int offset;
- int ioflag;
- caddr_t data; /* Place holder for data. */
- } cfs_rdwr;
-
-
-
-
- oouutt
-
- struct cfs_rdwr_out {
- int rwflag;
- int count;
- caddr_t data; /* Place holder for data. */
- } cfs_rdwr;
-
-
-
- DDeessccrriippttiioonn This upcall asks Venus to read or write from a file.
-
- EErrrroorrss
-
- NNOOTTEE It should be removed since it is against the Coda philosophy that
- read/write operations never reach Venus. I have been told the
- operation does not work. It is not currently used.
-
-
- 0wpage
-
- 44..2244.. ooddyymmoouunntt
-
-
- SSuummmmaarryy Allows mounting multiple Coda "filesystems" on one Unix mount
- point.
-
- AArrgguummeennttss
-
- iinn
-
- struct ody_mount_in {
- char *name; /* Place holder for data. */
- } ody_mount;
-
-
-
- oouutt
-
- struct ody_mount_out {
- ViceFid VFid;
- } ody_mount;
-
-
-
- DDeessccrriippttiioonn Asks Venus to return the rootfid of a Coda system named
- name. The fid is returned in VFid.
-
- EErrrroorrss
-
- NNOOTTEE This call was used by David for dynamic sets. It should be
- removed since it causes a jungle of pointers in the VFS mounting area.
- It is not used by Coda proper. Call is not implemented by Venus.
-
- 0wpage
-
- 44..2255.. ooddyy__llooookkuupp
-
-
- SSuummmmaarryy Looks up something.
-
- AArrgguummeennttss
-
- iinn irrelevant
-
-
- oouutt
- irrelevant
-
- DDeessccrriippttiioonn
-
- EErrrroorrss
-
- NNOOTTEE Gut it. Call is not implemented by Venus.
-
- 0wpage
-
- 44..2266.. ooddyy__eexxppaanndd
-
-
- SSuummmmaarryy expands something in a dynamic set.
-
- AArrgguummeennttss
-
- iinn irrelevant
-
- oouutt
- irrelevant
-
- DDeessccrriippttiioonn
-
- EErrrroorrss
-
- NNOOTTEE Gut it. Call is not implemented by Venus.
-
- 0wpage
-
- 44..2277.. pprreeffeettcchh
-
-
- SSuummmmaarryy Prefetch a dynamic set.
-
- AArrgguummeennttss
-
- iinn Not documented.
-
- oouutt
- Not documented.
-
- DDeessccrriippttiioonn Venus worker.cc has support for this call, although it is
- noted that it doesn't work. Not surprising, since the kernel does not
- have support for it. (ODY_PREFETCH is not a defined operation).
-
- EErrrroorrss
-
- NNOOTTEE Gut it. It isn't working and isn't used by Coda.
-
-
- 0wpage
-
- 44..2288.. ssiiggnnaall
-
-
- SSuummmmaarryy Send Venus a signal about an upcall.
-
- AArrgguummeennttss
-
- iinn none
-
- oouutt
- not applicable.
-
- DDeessccrriippttiioonn This is an out-of-band upcall to Venus to inform Venus
- that the calling process received a signal after Venus read the
- message from the input queue. Venus is supposed to clean up the
- operation.
-
- EErrrroorrss No reply is given.
-
- NNOOTTEE We need to better understand what Venus needs to clean up and if
- it is doing this correctly. Also we need to handle multiple upcall
- per system call situations correctly. It would be important to know
- what state changes in Venus take place after an upcall for which the
- kernel is responsible for notifying Venus to clean up (e.g. open
- definitely is such a state change, but many others are maybe not).
-
- 0wpage
-
- 55.. TThhee mmiinniiccaacchhee aanndd ddoowwnnccaallllss
-
-
- The Coda FS Driver can cache results of lookup and access upcalls, to
- limit the frequency of upcalls. Upcalls carry a price since a process
- context switch needs to take place. The counterpart of caching the
- information is that Venus will notify the FS Driver that cached
- entries must be flushed or renamed.
-
- The kernel code generally has to maintain a structure which links the
- internal file handles (called vnodes in BSD, inodes in Linux and
- FileHandles in Windows) with the ViceFid's which Venus maintains. The
- reason is that frequent translations back and forth are needed in
- order to make upcalls and use the results of upcalls. Such linking
- objects are called ccnnooddeess.
-
- The current minicache implementations have cache entries which record
- the following:
-
- 1. the name of the file
-
- 2. the cnode of the directory containing the object
-
- 3. a list of CodaCred's for which the lookup is permitted.
-
- 4. the cnode of the object
-
- The lookup call in the Coda FS Driver may request the cnode of the
- desired object from the cache, by passing its name, directory and the
- CodaCred's of the caller. The cache will return the cnode or indicate
- that it cannot be found. The Coda FS Driver must be careful to
- invalidate cache entries when it modifies or removes objects.
-
- When Venus obtains information that indicates that cache entries are
- no longer valid, it will make a downcall to the kernel. Downcalls are
- intercepted by the Coda FS Driver and lead to cache invalidations of
- the kind described below. The Coda FS Driver does not return an error
- unless the downcall data could not be read into kernel memory.
-
-
- 55..11.. IINNVVAALLIIDDAATTEE
-
-
- No information is available on this call.
-
-
- 55..22.. FFLLUUSSHH
-
-
-
- AArrgguummeennttss None
-
- SSuummmmaarryy Flush the name cache entirely.
-
- DDeessccrriippttiioonn Venus issues this call upon startup and when it dies. This
- is to prevent stale cache information being held. Some operating
- systems allow the kernel name cache to be switched off dynamically.
- When this is done, this downcall is made.
-
-
- 55..33.. PPUURRGGEEUUSSEERR
-
-
- AArrgguummeennttss
-
- struct cfs_purgeuser_out {/* CFS_PURGEUSER is a venus->kernel call */
- struct CodaCred cred;
- } cfs_purgeuser;
-
-
-
- DDeessccrriippttiioonn Remove all entries in the cache carrying the Cred. This
- call is issued when tokens for a user expire or are flushed.
-
-
- 55..44.. ZZAAPPFFIILLEE
-
-
- AArrgguummeennttss
-
- struct cfs_zapfile_out { /* CFS_ZAPFILE is a venus->kernel call */
- ViceFid CodaFid;
- } cfs_zapfile;
-
-
-
- DDeessccrriippttiioonn Remove all entries which have the (dir vnode, name) pair.
- This is issued as a result of an invalidation of cached attributes of
- a vnode.
-
- NNOOTTEE Call is not named correctly in NetBSD and Mach. The minicache
- zapfile routine takes different arguments. Linux does not implement
- the invalidation of attributes correctly.
-
-
-
- 55..55.. ZZAAPPDDIIRR
-
-
- AArrgguummeennttss
-
- struct cfs_zapdir_out { /* CFS_ZAPDIR is a venus->kernel call */
- ViceFid CodaFid;
- } cfs_zapdir;
-
-
-
- DDeessccrriippttiioonn Remove all entries in the cache lying in a directory
- CodaFid, and all children of this directory. This call is issued when
- Venus receives a callback on the directory.
-
-
- 55..66.. ZZAAPPVVNNOODDEE
-
-
-
- AArrgguummeennttss
-
- struct cfs_zapvnode_out { /* CFS_ZAPVNODE is a venus->kernel call */
- struct CodaCred cred;
- ViceFid VFid;
- } cfs_zapvnode;
-
-
-
- DDeessccrriippttiioonn Remove all entries in the cache carrying the cred and VFid
- as in the arguments. This downcall is probably never issued.
-
-
- 55..77.. PPUURRGGEEFFIIDD
-
-
- SSuummmmaarryy
-
- AArrgguummeennttss
-
- struct cfs_purgefid_out { /* CFS_PURGEFID is a venus->kernel call */
- ViceFid CodaFid;
- } cfs_purgefid;
-
-
-
- DDeessccrriippttiioonn Flush the attribute for the file. If it is a dir (odd
- vnode), purge its children from the namecache and remove the file from the
- namecache.
-
-
-
- 55..88.. RREEPPLLAACCEE
-
-
- SSuummmmaarryy Replace the Fid's for a collection of names.
-
- AArrgguummeennttss
-
- struct cfs_replace_out { /* cfs_replace is a venus->kernel call */
- ViceFid NewFid;
- ViceFid OldFid;
- } cfs_replace;
-
-
-
- DDeessccrriippttiioonn This routine replaces a ViceFid in the name cache with
- another. It is added to allow Venus during reintegration to replace
- locally allocated temp fids while disconnected with global fids even
- when the reference counts on those fids are not zero.
-
- 0wpage
-
- 66.. IInniittiiaalliizzaattiioonn aanndd cclleeaannuupp
-
-
- This section gives brief hints as to desirable features for the Coda
- FS Driver at startup and upon shutdown or Venus failures. Before
- entering the discussion it is useful to repeat that the Coda FS Driver
- maintains the following data:
-
-
- 1. message queues
-
- 2. cnodes
-
- 3. name cache entries
-
- The name cache entries are entirely private to the driver, so they
- can easily be manipulated. The message queues will generally have
- clear points of initialization and destruction. The cnodes are
- much more delicate. User processes hold reference counts in Coda
- filesystems and it can be difficult to clean up the cnodes.
-
- It can expect requests through:
-
- 1. the message subsystem
-
- 2. the VFS layer
-
- 3. pioctl interface
-
- Currently the _p_i_o_c_t_l passes through the VFS for Coda so we can
- treat these similarly.
-
-
- 66..11.. RReeqquuiirreemmeennttss
-
-
- The following requirements should be accommodated:
-
- 1. The message queues should have open and close routines. On Unix
- the opening of the character devices are such routines.
-
- +o Before opening, no messages can be placed.
-
- +o Opening will remove any old messages still pending.
-
- +o Close will notify any sleeping processes that their upcall cannot
- be completed.
-
- +o Close will free all memory allocated by the message queues.
-
-
- 2. At open the namecache shall be initialized to empty state.
-
- 3. Before the message queues are open, all VFS operations will fail.
- Fortunately this can be achieved by making sure than mounting the
- Coda filesystem cannot succeed before opening.
-
- 4. After closing of the queues, no VFS operations can succeed. Here
- one needs to be careful, since a few operations (lookup,
- read/write, readdir) can proceed without upcalls. These must be
- explicitly blocked.
-
- 5. Upon closing the namecache shall be flushed and disabled.
-
- 6. All memory held by cnodes can be freed without relying on upcalls.
-
- 7. Unmounting the file system can be done without relying on upcalls.
-
- 8. Mounting the Coda filesystem should fail gracefully if Venus cannot
- get the rootfid or the attributes of the rootfid. The latter is
- best implemented by Venus fetching these objects before attempting
- to mount.
-
- NNOOTTEE NetBSD in particular but also Linux have not implemented the
- above requirements fully. For smooth operation this needs to be
- corrected.
-
-
-
diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs.rst
index 16e606c11f40..f8941954c667 100644
--- a/Documentation/filesystems/configfs/configfs.txt
+++ b/Documentation/filesystems/configfs.rst
@@ -1,5 +1,6 @@
-
-configfs - Userspace-driven kernel object configuration.
+=======================================================
+Configfs - Userspace-driven Kernel Object Configuration
+=======================================================
Joel Becker <joel.becker@oracle.com>
@@ -9,7 +10,8 @@ Copyright (c) 2005 Oracle Corporation,
Joel Becker <joel.becker@oracle.com>
-[What is configfs?]
+What is configfs?
+=================
configfs is a ram-based filesystem that provides the converse of
sysfs's functionality. Where sysfs is a filesystem-based view of
@@ -35,10 +37,11 @@ kernel modules backing the items must respond to this.
Both sysfs and configfs can and should exist together on the same
system. One is not a replacement for the other.
-[Using configfs]
+Using configfs
+==============
configfs can be compiled as a module or into the kernel. You can access
-it by doing
+it by doing::
mount -t configfs none /config
@@ -56,28 +59,29 @@ values. Don't mix more than one attribute in one attribute file.
There are two types of configfs attributes:
* Normal attributes, which similar to sysfs attributes, are small ASCII text
-files, with a maximum size of one page (PAGE_SIZE, 4096 on i386). Preferably
-only one value per file should be used, and the same caveats from sysfs apply.
-Configfs expects write(2) to store the entire buffer at once. When writing to
-normal configfs attributes, userspace processes should first read the entire
-file, modify the portions they wish to change, and then write the entire
-buffer back.
+ files, with a maximum size of one page (PAGE_SIZE, 4096 on i386). Preferably
+ only one value per file should be used, and the same caveats from sysfs apply.
+ Configfs expects write(2) to store the entire buffer at once. When writing to
+ normal configfs attributes, userspace processes should first read the entire
+ file, modify the portions they wish to change, and then write the entire
+ buffer back.
* Binary attributes, which are somewhat similar to sysfs binary attributes,
-but with a few slight changes to semantics. The PAGE_SIZE limitation does not
-apply, but the whole binary item must fit in single kernel vmalloc'ed buffer.
-The write(2) calls from user space are buffered, and the attributes'
-write_bin_attribute method will be invoked on the final close, therefore it is
-imperative for user-space to check the return code of close(2) in order to
-verify that the operation finished successfully.
-To avoid a malicious user OOMing the kernel, there's a per-binary attribute
-maximum buffer value.
+ but with a few slight changes to semantics. The PAGE_SIZE limitation does not
+ apply, but the whole binary item must fit in single kernel vmalloc'ed buffer.
+ The write(2) calls from user space are buffered, and the attributes'
+ write_bin_attribute method will be invoked on the final close, therefore it is
+ imperative for user-space to check the return code of close(2) in order to
+ verify that the operation finished successfully.
+ To avoid a malicious user OOMing the kernel, there's a per-binary attribute
+ maximum buffer value.
When an item needs to be destroyed, remove it with rmdir(2). An
item cannot be destroyed if any other item has a link to it (via
symlink(2)). Links can be removed via unlink(2).
-[Configuring FakeNBD: an Example]
+Configuring FakeNBD: an Example
+===============================
Imagine there's a Network Block Device (NBD) driver that allows you to
access remote block devices. Call it FakeNBD. FakeNBD uses configfs
@@ -86,14 +90,14 @@ sysadmins use to configure FakeNBD, but somehow that program has to tell
the driver about it. Here's where configfs comes in.
When the FakeNBD driver is loaded, it registers itself with configfs.
-readdir(3) sees this just fine:
+readdir(3) sees this just fine::
# ls /config
fakenbd
A fakenbd connection can be created with mkdir(2). The name is
arbitrary, but likely the tool will make some use of the name. Perhaps
-it is a uuid or a disk name:
+it is a uuid or a disk name::
# mkdir /config/fakenbd/disk1
# ls /config/fakenbd/disk1
@@ -102,7 +106,7 @@ it is a uuid or a disk name:
The target attribute contains the IP address of the server FakeNBD will
connect to. The device attribute is the device on the server.
Predictably, the rw attribute determines whether the connection is
-read-only or read-write.
+read-only or read-write::
# echo 10.0.0.1 > /config/fakenbd/disk1/target
# echo /dev/sda1 > /config/fakenbd/disk1/device
@@ -111,7 +115,8 @@ read-only or read-write.
That's it. That's all there is. Now the device is configured, via the
shell no less.
-[Coding With configfs]
+Coding With configfs
+====================
Every object in configfs is a config_item. A config_item reflects an
object in the subsystem. It has attributes that match values on that
@@ -130,7 +135,10 @@ appears as a directory at the top of the configfs filesystem. A
subsystem is also a config_group, and can do everything a config_group
can.
-[struct config_item]
+struct config_item
+==================
+
+::
struct config_item {
char *ci_name;
@@ -168,7 +176,10 @@ By itself, a config_item cannot do much more than appear in configfs.
Usually a subsystem wants the item to display and/or store attributes,
among other things. For that, it needs a type.
-[struct config_item_type]
+struct config_item_type
+=======================
+
+::
struct configfs_item_operations {
void (*release)(struct config_item *);
@@ -192,7 +203,10 @@ allocated dynamically will need to provide the ct_item_ops->release()
method. This method is called when the config_item's reference count
reaches zero.
-[struct configfs_attribute]
+struct configfs_attribute
+=========================
+
+::
struct configfs_attribute {
char *ca_name;
@@ -214,7 +228,10 @@ be called whenever userspace asks for a read(2) on the attribute. If an
attribute is writable and provides a ->store method, that method will be
be called whenever userspace asks for a write(2) on the attribute.
-[struct configfs_bin_attribute]
+struct configfs_bin_attribute
+=============================
+
+::
struct configfs_bin_attribute {
struct configfs_attribute cb_attr;
@@ -240,11 +257,12 @@ will happen for write(2). The reads/writes are bufferred so only a
single read/write will occur; the attributes' need not concern itself
with it.
-[struct config_group]
+struct config_group
+===================
A config_item cannot live in a vacuum. The only way one can be created
is via mkdir(2) on a config_group. This will trigger creation of a
-child item.
+child item::
struct config_group {
struct config_item cg_item;
@@ -264,7 +282,7 @@ The config_group structure contains a config_item. Properly configuring
that item means that a group can behave as an item in its own right.
However, it can do more: it can create child items or groups. This is
accomplished via the group operations specified on the group's
-config_item_type.
+config_item_type::
struct configfs_group_operations {
struct config_item *(*make_item)(struct config_group *group,
@@ -279,7 +297,8 @@ config_item_type.
};
A group creates child items by providing the
-ct_group_ops->make_item() method. If provided, this method is called from mkdir(2) in the group's directory. The subsystem allocates a new
+ct_group_ops->make_item() method. If provided, this method is called from
+mkdir(2) in the group's directory. The subsystem allocates a new
config_item (or more likely, its container structure), initializes it,
and returns it to configfs. Configfs will then populate the filesystem
tree to reflect the new item.
@@ -296,13 +315,14 @@ upon item allocation. If a subsystem has no work to do, it may omit
the ct_group_ops->drop_item() method, and configfs will call
config_item_put() on the item on behalf of the subsystem.
-IMPORTANT: drop_item() is void, and as such cannot fail. When rmdir(2)
-is called, configfs WILL remove the item from the filesystem tree
-(assuming that it has no children to keep it busy). The subsystem is
-responsible for responding to this. If the subsystem has references to
-the item in other threads, the memory is safe. It may take some time
-for the item to actually disappear from the subsystem's usage. But it
-is gone from configfs.
+Important:
+ drop_item() is void, and as such cannot fail. When rmdir(2)
+ is called, configfs WILL remove the item from the filesystem tree
+ (assuming that it has no children to keep it busy). The subsystem is
+ responsible for responding to this. If the subsystem has references to
+ the item in other threads, the memory is safe. It may take some time
+ for the item to actually disappear from the subsystem's usage. But it
+ is gone from configfs.
When drop_item() is called, the item's linkage has already been torn
down. It no longer has a reference on its parent and has no place in
@@ -319,10 +339,11 @@ is implemented in the configfs rmdir(2) code. ->drop_item() will not be
called, as the item has not been dropped. rmdir(2) will fail, as the
directory is not empty.
-[struct configfs_subsystem]
+struct configfs_subsystem
+=========================
A subsystem must register itself, usually at module_init time. This
-tells configfs to make the subsystem appear in the file tree.
+tells configfs to make the subsystem appear in the file tree::
struct configfs_subsystem {
struct config_group su_group;
@@ -332,17 +353,19 @@ tells configfs to make the subsystem appear in the file tree.
int configfs_register_subsystem(struct configfs_subsystem *subsys);
void configfs_unregister_subsystem(struct configfs_subsystem *subsys);
- A subsystem consists of a toplevel config_group and a mutex.
+A subsystem consists of a toplevel config_group and a mutex.
The group is where child config_items are created. For a subsystem,
this group is usually defined statically. Before calling
configfs_register_subsystem(), the subsystem must have initialized the
group via the usual group _init() functions, and it must also have
initialized the mutex.
- When the register call returns, the subsystem is live, and it
+
+When the register call returns, the subsystem is live, and it
will be visible via configfs. At that point, mkdir(2) can be called and
the subsystem must be ready for it.
-[An Example]
+An Example
+==========
The best example of these basic concepts is the simple_children
subsystem/group and the simple_child item in
@@ -350,7 +373,8 @@ samples/configfs/configfs_sample.c. It shows a trivial object displaying
and storing an attribute, and a simple group creating and destroying
these children.
-[Hierarchy Navigation and the Subsystem Mutex]
+Hierarchy Navigation and the Subsystem Mutex
+============================================
There is an extra bonus that configfs provides. The config_groups and
config_items are arranged in a hierarchy due to the fact that they
@@ -375,7 +399,8 @@ be in its parent's cg_children list for the same duration. This allows
a subsystem to trust ci_parent and cg_children while they hold the
mutex.
-[Item Aggregation Via symlink(2)]
+Item Aggregation Via symlink(2)
+===============================
configfs provides a simple group via the group->item parent/child
relationship. Often, however, a larger environment requires aggregation
@@ -403,7 +428,8 @@ A config_item cannot be removed while it links to any other item, nor
can it be removed while an item links to it. Dangling symlinks are not
allowed in configfs.
-[Automatically Created Subgroups]
+Automatically Created Subgroups
+===============================
A new config_group may want to have two types of child config_items.
While this could be codified by magic names in ->make_item(), it is much
@@ -433,7 +459,8 @@ As a consequence of this, default groups cannot be removed directly via
rmdir(2). They also are not considered when rmdir(2) on the parent
group is checking for children.
-[Dependent Subsystems]
+Dependent Subsystems
+====================
Sometimes other drivers depend on particular configfs items. For
example, ocfs2 mounts depend on a heartbeat region item. If that
@@ -460,9 +487,11 @@ succeeds, then heartbeat knows the region is safe to give to ocfs2.
If it fails, it was being torn down anyway, and heartbeat can gracefully
pass up an error.
-[Committable Items]
+Committable Items
+=================
-NOTE: Committable items are currently unimplemented.
+Note:
+ Committable items are currently unimplemented.
Some config_items cannot have a valid initial state. That is, no
default values can be specified for the item's attributes such that the
@@ -504,5 +533,3 @@ As rmdir(2) does not work in the "live" directory, an item must be
shutdown, or "uncommitted". Again, this is done via rename(2), this
time from the "live" directory back to the "pending" one. The subsystem
is notified by the ct_group_ops->uncommit_object() method.
-
-
diff --git a/Documentation/filesystems/dax.txt b/Documentation/filesystems/dax.txt
index 679729442fd2..8e2670781c9b 100644
--- a/Documentation/filesystems/dax.txt
+++ b/Documentation/filesystems/dax.txt
@@ -20,8 +20,144 @@ Usage
If you have a block device which supports DAX, you can make a filesystem
on it as usual. The DAX code currently only supports files with a block
size equal to your kernel's PAGE_SIZE, so you may need to specify a block
-size when creating the filesystem. When mounting it, use the "-o dax"
-option on the command line or add 'dax' to the options in /etc/fstab.
+size when creating the filesystem.
+
+Currently 3 filesystems support DAX: ext2, ext4 and xfs. Enabling DAX on them
+is different.
+
+Enabling DAX on ext4 and ext2
+-----------------------------
+
+When mounting the filesystem, use the "-o dax" option on the command line or
+add 'dax' to the options in /etc/fstab. This works to enable DAX on all files
+within the filesystem. It is equivalent to the '-o dax=always' behavior below.
+
+
+Enabling DAX on xfs
+-------------------
+
+Summary
+-------
+
+ 1. There exists an in-kernel file access mode flag S_DAX that corresponds to
+ the statx flag STATX_ATTR_DAX. See the manpage for statx(2) for details
+ about this access mode.
+
+ 2. There exists a persistent flag FS_XFLAG_DAX that can be applied to regular
+ files and directories. This advisory flag can be set or cleared at any
+ time, but doing so does not immediately affect the S_DAX state.
+
+ 3. If the persistent FS_XFLAG_DAX flag is set on a directory, this flag will
+ be inherited by all regular files and subdirectories that are subsequently
+ created in this directory. Files and subdirectories that exist at the time
+ this flag is set or cleared on the parent directory are not modified by
+ this modification of the parent directory.
+
+ 4. There exist dax mount options which can override FS_XFLAG_DAX in the
+ setting of the S_DAX flag. Given underlying storage which supports DAX the
+ following hold:
+
+ "-o dax=inode" means "follow FS_XFLAG_DAX" and is the default.
+
+ "-o dax=never" means "never set S_DAX, ignore FS_XFLAG_DAX."
+
+ "-o dax=always" means "always set S_DAX ignore FS_XFLAG_DAX."
+
+ "-o dax" is a legacy option which is an alias for "dax=always".
+ This may be removed in the future so "-o dax=always" is
+ the preferred method for specifying this behavior.
+
+ NOTE: Modifications to and the inheritance behavior of FS_XFLAG_DAX remain
+ the same even when the filesystem is mounted with a dax option. However,
+ in-core inode state (S_DAX) will be overridden until the filesystem is
+ remounted with dax=inode and the inode is evicted from kernel memory.
+
+ 5. The S_DAX policy can be changed via:
+
+ a) Setting the parent directory FS_XFLAG_DAX as needed before files are
+ created
+
+ b) Setting the appropriate dax="foo" mount option
+
+ c) Changing the FS_XFLAG_DAX flag on existing regular files and
+ directories. This has runtime constraints and limitations that are
+ described in 6) below.
+
+ 6. When changing the S_DAX policy via toggling the persistent FS_XFLAG_DAX flag,
+ the change in behaviour for existing regular files may not occur
+ immediately. If the change must take effect immediately, the administrator
+ needs to:
+
+ a) stop the application so there are no active references to the data set
+ the policy change will affect
+
+ b) evict the data set from kernel caches so it will be re-instantiated when
+ the application is restarted. This can be achieved by:
+
+ i. drop-caches
+ ii. a filesystem unmount and mount cycle
+ iii. a system reboot
+
+
+Details
+-------
+
+There are 2 per-file dax flags. One is a persistent inode setting (FS_XFLAG_DAX)
+and the other is a volatile flag indicating the active state of the feature
+(S_DAX).
+
+FS_XFLAG_DAX is preserved within the filesystem. This persistent config
+setting can be set, cleared and/or queried using the FS_IOC_FS[GS]ETXATTR ioctl
+(see ioctl_xfs_fsgetxattr(2)) or an utility such as 'xfs_io'.
+
+New files and directories automatically inherit FS_XFLAG_DAX from
+their parent directory _when_ _created_. Therefore, setting FS_XFLAG_DAX at
+directory creation time can be used to set a default behavior for an entire
+sub-tree.
+
+To clarify inheritance, here are 3 examples:
+
+Example A:
+
+mkdir -p a/b/c
+xfs_io -c 'chattr +x' a
+mkdir a/b/c/d
+mkdir a/e
+
+ dax: a,e
+ no dax: b,c,d
+
+Example B:
+
+mkdir a
+xfs_io -c 'chattr +x' a
+mkdir -p a/b/c/d
+
+ dax: a,b,c,d
+ no dax:
+
+Example C:
+
+mkdir -p a/b/c
+xfs_io -c 'chattr +x' c
+mkdir a/b/c/d
+
+ dax: c,d
+ no dax: a,b
+
+
+The current enabled state (S_DAX) is set when a file inode is instantiated in
+memory by the kernel. It is set based on the underlying media support, the
+value of FS_XFLAG_DAX and the filesystem's dax mount option.
+
+statx can be used to query S_DAX. NOTE that only regular files will ever have
+S_DAX set and therefore statx will never indicate that S_DAX is set on
+directories.
+
+Setting the FS_XFLAG_DAX flag (specifically or through inheritance) occurs even
+if the underlying media does not support dax and/or the filesystem is
+overridden with a mount option.
+
Implementation Tips for Block Driver Writers
@@ -74,7 +210,7 @@ are zeroed out and converted to written extents before being returned to avoid
exposure of uninitialized data through mmap.
These filesystems may be used for inspiration:
-- ext2: see Documentation/filesystems/ext2.txt
+- ext2: see Documentation/filesystems/ext2.rst
- ext4: see Documentation/filesystems/ext4/
- xfs: see Documentation/admin-guide/xfs.rst
@@ -94,7 +230,7 @@ sysadmins have an option to restore the lost data from a prior backup/inbuilt
redundancy in the following ways:
1. Delete the affected file, and restore from a backup (sysadmin route):
- This will free the file system blocks that were being used by the file,
+ This will free the filesystem blocks that were being used by the file,
and the next time they're allocated, they will be zeroed first, which
happens through the driver, and will clear bad sectors.
diff --git a/Documentation/filesystems/debugfs.rst b/Documentation/filesystems/debugfs.rst
index db9ea0854040..1da7a4b7383d 100644
--- a/Documentation/filesystems/debugfs.rst
+++ b/Documentation/filesystems/debugfs.rst
@@ -79,8 +79,8 @@ created with any of::
struct dentry *parent, u8 *value);
void debugfs_create_u16(const char *name, umode_t mode,
struct dentry *parent, u16 *value);
- struct dentry *debugfs_create_u32(const char *name, umode_t mode,
- struct dentry *parent, u32 *value);
+ void debugfs_create_u32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
void debugfs_create_u64(const char *name, umode_t mode,
struct dentry *parent, u64 *value);
@@ -166,16 +166,17 @@ file::
};
struct debugfs_regset32 {
- struct debugfs_reg32 *regs;
+ const struct debugfs_reg32 *regs;
int nregs;
void __iomem *base;
+ struct device *dev; /* Optional device for Runtime PM */
};
debugfs_create_regset32(const char *name, umode_t mode,
struct dentry *parent,
struct debugfs_regset32 *regset);
- void debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+ void debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
int nregs, void __iomem *base, char *prefix);
The "base" argument may be 0, but you may want to build the reg32 array
diff --git a/Documentation/filesystems/devpts.rst b/Documentation/filesystems/devpts.rst
new file mode 100644
index 000000000000..a03248ddfb4c
--- /dev/null
+++ b/Documentation/filesystems/devpts.rst
@@ -0,0 +1,36 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+The Devpts Filesystem
+=====================
+
+Each mount of the devpts filesystem is now distinct such that ptys
+and their indicies allocated in one mount are independent from ptys
+and their indicies in all other mounts.
+
+All mounts of the devpts filesystem now create a ``/dev/pts/ptmx`` node
+with permissions ``0000``.
+
+To retain backwards compatibility the a ptmx device node (aka any node
+created with ``mknod name c 5 2``) when opened will look for an instance
+of devpts under the name ``pts`` in the same directory as the ptmx device
+node.
+
+As an option instead of placing a ``/dev/ptmx`` device node at ``/dev/ptmx``
+it is possible to place a symlink to ``/dev/pts/ptmx`` at ``/dev/ptmx`` or
+to bind mount ``/dev/ptx/ptmx`` to ``/dev/ptmx``. If you opt for using
+the devpts filesystem in this manner devpts should be mounted with
+the ``ptmxmode=0666``, or ``chmod 0666 /dev/pts/ptmx`` should be called.
+
+Total count of pty pairs in all instances is limited by sysctls::
+
+ kernel.pty.max = 4096 - global limit
+ kernel.pty.reserve = 1024 - reserved for filesystems mounted from the initial mount namespace
+ kernel.pty.nr - current count of ptys
+
+Per-instance limit could be set by adding mount option ``max=<count>``.
+
+This feature was added in kernel 3.4 together with
+``sysctl kernel.pty.reserve``.
+
+In kernels older than 3.4 sysctl ``kernel.pty.max`` works as per-instance limit.
diff --git a/Documentation/filesystems/devpts.txt b/Documentation/filesystems/devpts.txt
deleted file mode 100644
index 9f94fe276dea..000000000000
--- a/Documentation/filesystems/devpts.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-Each mount of the devpts filesystem is now distinct such that ptys
-and their indicies allocated in one mount are independent from ptys
-and their indicies in all other mounts.
-
-All mounts of the devpts filesystem now create a /dev/pts/ptmx node
-with permissions 0000.
-
-To retain backwards compatibility the a ptmx device node (aka any node
-created with "mknod name c 5 2") when opened will look for an instance
-of devpts under the name "pts" in the same directory as the ptmx device
-node.
-
-As an option instead of placing a /dev/ptmx device node at /dev/ptmx
-it is possible to place a symlink to /dev/pts/ptmx at /dev/ptmx or
-to bind mount /dev/ptx/ptmx to /dev/ptmx. If you opt for using
-the devpts filesystem in this manner devpts should be mounted with
-the ptmxmode=0666, or chmod 0666 /dev/pts/ptmx should be called.
-
-Total count of pty pairs in all instances is limited by sysctls:
-kernel.pty.max = 4096 - global limit
-kernel.pty.reserve = 1024 - reserved for filesystems mounted from the initial mount namespace
-kernel.pty.nr - current count of ptys
-
-Per-instance limit could be set by adding mount option "max=<count>".
-This feature was added in kernel 3.4 together with sysctl kernel.pty.reserve.
-In kernels older than 3.4 sysctl kernel.pty.max works as per-instance limit.
diff --git a/Documentation/filesystems/dnotify.txt b/Documentation/filesystems/dnotify.rst
index 15156883d321..a28a1f9ef79c 100644
--- a/Documentation/filesystems/dnotify.txt
+++ b/Documentation/filesystems/dnotify.rst
@@ -1,5 +1,8 @@
- Linux Directory Notification
- ============================
+.. SPDX-License-Identifier: GPL-2.0
+
+============================
+Linux Directory Notification
+============================
Stephen Rothwell <sfr@canb.auug.org.au>
@@ -12,6 +15,7 @@ being delivered using signals.
The application decides which "events" it wants to be notified about.
The currently defined events are:
+ ========= =====================================================
DN_ACCESS A file in the directory was accessed (read)
DN_MODIFY A file in the directory was modified (write,truncate)
DN_CREATE A file was created in the directory
@@ -19,6 +23,7 @@ The currently defined events are:
DN_RENAME A file in the directory was renamed
DN_ATTRIB A file in the directory had its attributes
changed (chmod,chown)
+ ========= =====================================================
Usually, the application must reregister after each notification, but
if DN_MULTISHOT is or'ed with the event mask, then the registration will
@@ -36,7 +41,7 @@ especially important if DN_MULTISHOT is specified. Note that SIGRTMIN
is often blocked, so it is better to use (at least) SIGRTMIN + 1.
Implementation expectations (features and bugs :-))
----------------------------
+---------------------------------------------------
The notification should work for any local access to files even if the
actual file system is on a remote server. This implies that remote
@@ -67,4 +72,4 @@ See tools/testing/selftests/filesystems/dnotify_test.c for an example.
NOTE
----
Beginning with Linux 2.6.13, dnotify has been replaced by inotify.
-See Documentation/filesystems/inotify.txt for more information on it.
+See Documentation/filesystems/inotify.rst for more information on it.
diff --git a/Documentation/filesystems/efivarfs.rst b/Documentation/filesystems/efivarfs.rst
index 90ac65683e7e..0551985821b8 100644
--- a/Documentation/filesystems/efivarfs.rst
+++ b/Documentation/filesystems/efivarfs.rst
@@ -24,3 +24,20 @@ files that are not well-known standardized variables are created
as immutable files. This doesn't prevent removal - "chattr -i" will work -
but it does prevent this kind of failure from being accomplished
accidentally.
+
+.. warning ::
+ When a content of an UEFI variable in /sys/firmware/efi/efivars is
+ displayed, for example using "hexdump", pay attention that the first
+ 4 bytes of the output represent the UEFI variable attributes,
+ in little-endian format.
+
+ Practically the output of each efivar is composed of:
+
+ +-----------------------------------+
+ |4_bytes_of_attributes + efivar_data|
+ +-----------------------------------+
+
+*See also:*
+
+- Documentation/admin-guide/acpi/ssdt-overlays.rst
+- Documentation/ABI/stable/sysfs-firmware-efi-vars
diff --git a/Documentation/filesystems/f2fs.rst b/Documentation/filesystems/f2fs.rst
index 87d794bc75a4..4218ac658629 100644
--- a/Documentation/filesystems/f2fs.rst
+++ b/Documentation/filesystems/f2fs.rst
@@ -225,8 +225,12 @@ fsync_mode=%s Control the policy of fsync. Currently supports "posix",
pass, but the performance will regress. "nobarrier" is
based on "posix", but doesn't issue flush command for
non-atomic files likewise "nobarrier" mount option.
-test_dummy_encryption Enable dummy encryption, which provides a fake fscrypt
+test_dummy_encryption
+test_dummy_encryption=%s
+ Enable dummy encryption, which provides a fake fscrypt
context. The fake fscrypt context is used by xfstests.
+ The argument may be either "v1" or "v2", in order to
+ select the corresponding fscrypt policy version.
checkpoint=%s[:%u[%]] Set to "disable" to turn off checkpointing. Set to "enable"
to reenable checkpointing. Is enabled by default. While
disabled, any unmounting or unexpected shutdowns will cause
diff --git a/Documentation/filesystems/fiemap.txt b/Documentation/filesystems/fiemap.rst
index ac87e6fda842..2a572e7edc08 100644
--- a/Documentation/filesystems/fiemap.txt
+++ b/Documentation/filesystems/fiemap.rst
@@ -1,3 +1,5 @@
+.. SPDX-License-Identifier: GPL-2.0
+
============
Fiemap Ioctl
============
@@ -10,9 +12,9 @@ returns a list of extents.
Request Basics
--------------
-A fiemap request is encoded within struct fiemap:
+A fiemap request is encoded within struct fiemap::
-struct fiemap {
+ struct fiemap {
__u64 fm_start; /* logical offset (inclusive) at
* which to start mapping (in) */
__u64 fm_length; /* logical length of mapping which
@@ -23,7 +25,7 @@ struct fiemap {
__u32 fm_extent_count; /* size of fm_extents array (in) */
__u32 fm_reserved;
struct fiemap_extent fm_extents[0]; /* array of mapped extents (out) */
-};
+ };
fm_start, and fm_length specify the logical range within the file
@@ -51,12 +53,12 @@ nothing to prevent the file from changing between calls to FIEMAP.
The following flags can be set in fm_flags:
-* FIEMAP_FLAG_SYNC
-If this flag is set, the kernel will sync the file before mapping extents.
+FIEMAP_FLAG_SYNC
+ If this flag is set, the kernel will sync the file before mapping extents.
-* FIEMAP_FLAG_XATTR
-If this flag is set, the extents returned will describe the inodes
-extended attribute lookup tree, instead of its data tree.
+FIEMAP_FLAG_XATTR
+ If this flag is set, the extents returned will describe the inodes
+ extended attribute lookup tree, instead of its data tree.
Extent Mapping
@@ -75,18 +77,18 @@ complete the requested range and will not have the FIEMAP_EXTENT_LAST
flag set (see the next section on extent flags).
Each extent is described by a single fiemap_extent structure as
-returned in fm_extents.
-
-struct fiemap_extent {
- __u64 fe_logical; /* logical offset in bytes for the start of
- * the extent */
- __u64 fe_physical; /* physical offset in bytes for the start
- * of the extent */
- __u64 fe_length; /* length in bytes for the extent */
- __u64 fe_reserved64[2];
- __u32 fe_flags; /* FIEMAP_EXTENT_* flags for this extent */
- __u32 fe_reserved[3];
-};
+returned in fm_extents::
+
+ struct fiemap_extent {
+ __u64 fe_logical; /* logical offset in bytes for the start of
+ * the extent */
+ __u64 fe_physical; /* physical offset in bytes for the start
+ * of the extent */
+ __u64 fe_length; /* length in bytes for the extent */
+ __u64 fe_reserved64[2];
+ __u32 fe_flags; /* FIEMAP_EXTENT_* flags for this extent */
+ __u32 fe_reserved[3];
+ };
All offsets and lengths are in bytes and mirror those on disk. It is valid
for an extents logical offset to start before the request or its logical
@@ -114,26 +116,27 @@ worry about all present and future flags which might imply unaligned
data. Note that the opposite is not true - it would be valid for
FIEMAP_EXTENT_NOT_ALIGNED to appear alone.
-* FIEMAP_EXTENT_LAST
-This is generally the last extent in the file. A mapping attempt past
-this extent may return nothing. Some implementations set this flag to
-indicate this extent is the last one in the range queried by the user
-(via fiemap->fm_length).
+FIEMAP_EXTENT_LAST
+ This is generally the last extent in the file. A mapping attempt past
+ this extent may return nothing. Some implementations set this flag to
+ indicate this extent is the last one in the range queried by the user
+ (via fiemap->fm_length).
+
+FIEMAP_EXTENT_UNKNOWN
+ The location of this extent is currently unknown. This may indicate
+ the data is stored on an inaccessible volume or that no storage has
+ been allocated for the file yet.
-* FIEMAP_EXTENT_UNKNOWN
-The location of this extent is currently unknown. This may indicate
-the data is stored on an inaccessible volume or that no storage has
-been allocated for the file yet.
+FIEMAP_EXTENT_DELALLOC
+ This will also set FIEMAP_EXTENT_UNKNOWN.
-* FIEMAP_EXTENT_DELALLOC
- - This will also set FIEMAP_EXTENT_UNKNOWN.
-Delayed allocation - while there is data for this extent, its
-physical location has not been allocated yet.
+ Delayed allocation - while there is data for this extent, its
+ physical location has not been allocated yet.
-* FIEMAP_EXTENT_ENCODED
-This extent does not consist of plain filesystem blocks but is
-encoded (e.g. encrypted or compressed). Reading the data in this
-extent via I/O to the block device will have undefined results.
+FIEMAP_EXTENT_ENCODED
+ This extent does not consist of plain filesystem blocks but is
+ encoded (e.g. encrypted or compressed). Reading the data in this
+ extent via I/O to the block device will have undefined results.
Note that it is *always* undefined to try to update the data
in-place by writing to the indicated location without the
@@ -145,32 +148,32 @@ unmounted, and then only if the FIEMAP_EXTENT_ENCODED flag is
clear; user applications must not try reading or writing to the
filesystem via the block device under any other circumstances.
-* FIEMAP_EXTENT_DATA_ENCRYPTED
- - This will also set FIEMAP_EXTENT_ENCODED
-The data in this extent has been encrypted by the file system.
+FIEMAP_EXTENT_DATA_ENCRYPTED
+ This will also set FIEMAP_EXTENT_ENCODED
+ The data in this extent has been encrypted by the file system.
-* FIEMAP_EXTENT_NOT_ALIGNED
-Extent offsets and length are not guaranteed to be block aligned.
+FIEMAP_EXTENT_NOT_ALIGNED
+ Extent offsets and length are not guaranteed to be block aligned.
-* FIEMAP_EXTENT_DATA_INLINE
+FIEMAP_EXTENT_DATA_INLINE
This will also set FIEMAP_EXTENT_NOT_ALIGNED
-Data is located within a meta data block.
+ Data is located within a meta data block.
-* FIEMAP_EXTENT_DATA_TAIL
+FIEMAP_EXTENT_DATA_TAIL
This will also set FIEMAP_EXTENT_NOT_ALIGNED
-Data is packed into a block with data from other files.
+ Data is packed into a block with data from other files.
-* FIEMAP_EXTENT_UNWRITTEN
-Unwritten extent - the extent is allocated but its data has not been
-initialized. This indicates the extent's data will be all zero if read
-through the filesystem but the contents are undefined if read directly from
-the device.
+FIEMAP_EXTENT_UNWRITTEN
+ Unwritten extent - the extent is allocated but its data has not been
+ initialized. This indicates the extent's data will be all zero if read
+ through the filesystem but the contents are undefined if read directly from
+ the device.
-* FIEMAP_EXTENT_MERGED
-This will be set when a file does not support extents, i.e., it uses a block
-based addressing scheme. Since returning an extent for each block back to
-userspace would be highly inefficient, the kernel will try to merge most
-adjacent blocks into 'extents'.
+FIEMAP_EXTENT_MERGED
+ This will be set when a file does not support extents, i.e., it uses a block
+ based addressing scheme. Since returning an extent for each block back to
+ userspace would be highly inefficient, the kernel will try to merge most
+ adjacent blocks into 'extents'.
VFS -> File System Implementation
@@ -179,23 +182,23 @@ VFS -> File System Implementation
File systems wishing to support fiemap must implement a ->fiemap callback on
their inode_operations structure. The fs ->fiemap call is responsible for
defining its set of supported fiemap flags, and calling a helper function on
-each discovered extent:
+each discovered extent::
-struct inode_operations {
+ struct inode_operations {
...
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
u64 len);
->fiemap is passed struct fiemap_extent_info which describes the
-fiemap request:
+fiemap request::
-struct fiemap_extent_info {
+ struct fiemap_extent_info {
unsigned int fi_flags; /* Flags as passed from user */
unsigned int fi_extents_mapped; /* Number of mapped extents */
unsigned int fi_extents_max; /* Size of fiemap_extent array */
struct fiemap_extent *fi_extents_start; /* Start of fiemap_extent array */
-};
+ };
It is intended that the file system should not need to access any of this
structure directly. Filesystem handlers should be tolerant to signals and return
@@ -203,9 +206,9 @@ EINTR once fatal signal received.
Flag checking should be done at the beginning of the ->fiemap callback via the
-fiemap_check_flags() helper:
+fiemap_check_flags() helper::
-int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
+ int fiemap_check_flags(struct fiemap_extent_info *fieinfo, u32 fs_flags);
The struct fieinfo should be passed in as received from ioctl_fiemap(). The
set of fiemap flags which the fs understands should be passed via fs_flags. If
@@ -216,10 +219,10 @@ ioctl_fiemap().
For each extent in the request range, the file system should call
-the helper function, fiemap_fill_next_extent():
+the helper function, fiemap_fill_next_extent()::
-int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
- u64 phys, u64 len, u32 flags, u32 dev);
+ int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical,
+ u64 phys, u64 len, u32 flags, u32 dev);
fiemap_fill_next_extent() will use the passed values to populate the
next free extent in the fm_extents array. 'General' extent flags will
diff --git a/Documentation/filesystems/files.txt b/Documentation/filesystems/files.rst
index 46dfc6b038c3..cbf8e57376bf 100644
--- a/Documentation/filesystems/files.txt
+++ b/Documentation/filesystems/files.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
File management in the Linux kernel
------------------------------------
+===================================
This document describes how locking for files (struct file)
and file descriptor table (struct files) works.
@@ -34,7 +37,7 @@ appear atomic. Here are the locking rules for
the fdtable structure -
1. All references to the fdtable must be done through
- the files_fdtable() macro :
+ the files_fdtable() macro::
struct fdtable *fdt;
@@ -61,7 +64,8 @@ the fdtable structure -
4. To look up the file structure given an fd, a reader
must use either fcheck() or fcheck_files() APIs. These
take care of barrier requirements due to lock-free lookup.
- An example :
+
+ An example::
struct file *file;
@@ -77,7 +81,7 @@ the fdtable structure -
of the fd (fget()/fget_light()) are lock-free, it is possible
that look-up may race with the last put() operation on the
file structure. This is avoided using atomic_long_inc_not_zero()
- on ->f_count :
+ on ->f_count::
rcu_read_lock();
file = fcheck_files(files, fd);
@@ -106,7 +110,8 @@ the fdtable structure -
holding files->file_lock. If ->file_lock is dropped, then
another thread expand the files thereby creating a new
fdtable and making the earlier fdtable pointer stale.
- For example :
+
+ For example::
spin_lock(&files->file_lock);
fd = locate_fd(files, file, start);
diff --git a/Documentation/filesystems/fscrypt.rst b/Documentation/filesystems/fscrypt.rst
index aa072112cfff..f517af8ec11c 100644
--- a/Documentation/filesystems/fscrypt.rst
+++ b/Documentation/filesystems/fscrypt.rst
@@ -292,8 +292,22 @@ files' data differently, inode numbers are included in the IVs.
Consequently, shrinking the filesystem may not be allowed.
This format is optimized for use with inline encryption hardware
-compliant with the UFS or eMMC standards, which support only 64 IV
-bits per I/O request and may have only a small number of keyslots.
+compliant with the UFS standard, which supports only 64 IV bits per
+I/O request and may have only a small number of keyslots.
+
+IV_INO_LBLK_32 policies
+-----------------------
+
+IV_INO_LBLK_32 policies work like IV_INO_LBLK_64, except that for
+IV_INO_LBLK_32, the inode number is hashed with SipHash-2-4 (where the
+SipHash key is derived from the master key) and added to the file
+logical block number mod 2^32 to produce a 32-bit IV.
+
+This format is optimized for use with inline encryption hardware
+compliant with the eMMC v5.2 standard, which supports only 32 IV bits
+per I/O request and may have only a small number of keyslots. This
+format results in some level of IV reuse, so it should only be used
+when necessary due to hardware limitations.
Key identifiers
---------------
@@ -369,6 +383,10 @@ a little endian number, except that:
to 32 bits and is placed in bits 0-31 of the IV. The inode number
(which is also limited to 32 bits) is placed in bits 32-63.
+- With `IV_INO_LBLK_32 policies`_, the logical block number is limited
+ to 32 bits and is placed in bits 0-31 of the IV. The inode number
+ is then hashed and added mod 2^32.
+
Note that because file logical block numbers are included in the IVs,
filesystems must enforce that blocks are never shifted around within
encrypted files, e.g. via "collapse range" or "insert range".
@@ -465,8 +483,15 @@ This structure must be initialized as follows:
(0x3).
- FSCRYPT_POLICY_FLAG_DIRECT_KEY: See `DIRECT_KEY policies`_.
- FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64: See `IV_INO_LBLK_64
- policies`_. This is mutually exclusive with DIRECT_KEY and is not
- supported on v1 policies.
+ policies`_.
+ - FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32: See `IV_INO_LBLK_32
+ policies`_.
+
+ v1 encryption policies only support the PAD_* and DIRECT_KEY flags.
+ The other flags are only supported by v2 encryption policies.
+
+ The DIRECT_KEY, IV_INO_LBLK_64, and IV_INO_LBLK_32 flags are
+ mutually exclusive.
- For v2 encryption policies, ``__reserved`` must be zeroed.
diff --git a/Documentation/filesystems/fuse-io.txt b/Documentation/filesystems/fuse-io.rst
index 07b8f73f100f..255a368fe534 100644
--- a/Documentation/filesystems/fuse-io.txt
+++ b/Documentation/filesystems/fuse-io.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+Fuse I/O Modes
+==============
+
Fuse supports the following I/O modes:
- direct-io
diff --git a/Documentation/filesystems/index.rst b/Documentation/filesystems/index.rst
index e7b46dac7079..17795341e0a3 100644
--- a/Documentation/filesystems/index.rst
+++ b/Documentation/filesystems/index.rst
@@ -24,6 +24,22 @@ algorithms work.
splice
locking
directory-locking
+ devpts
+ dnotify
+ fiemap
+ files
+ locks
+ mandatory-locking
+ mount_api
+ quota
+ seq_file
+ sharedsubtree
+ sysfs-pci
+ sysfs-tagging
+
+ automount-support
+
+ caching/index
porting
@@ -57,7 +73,10 @@ Documentation for filesystem implementations.
befs
bfs
btrfs
+ cifs/cifsroot
ceph
+ coda
+ configfs
cramfs
debugfs
dlmfs
@@ -73,6 +92,7 @@ Documentation for filesystem implementations.
hfsplus
hpfs
fuse
+ fuse-io
inotify
isofs
nilfs2
@@ -88,6 +108,7 @@ Documentation for filesystem implementations.
ramfs-rootfs-initramfs
relay
romfs
+ spufs/index
squashfs
sysfs
sysv-fs
@@ -97,4 +118,6 @@ Documentation for filesystem implementations.
udf
virtiofs
vfat
+ xfs-delayed-logging-design
+ xfs-self-describing-metadata
zonefs
diff --git a/Documentation/filesystems/locking.rst b/Documentation/filesystems/locking.rst
index 5057e4d9dcd1..0af2e0e11461 100644
--- a/Documentation/filesystems/locking.rst
+++ b/Documentation/filesystems/locking.rst
@@ -239,6 +239,7 @@ prototypes::
int (*readpage)(struct file *, struct page *);
int (*writepages)(struct address_space *, struct writeback_control *);
int (*set_page_dirty)(struct page *page);
+ void (*readahead)(struct readahead_control *);
int (*readpages)(struct file *filp, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages);
int (*write_begin)(struct file *, struct address_space *mapping,
@@ -271,7 +272,8 @@ writepage: yes, unlocks (see below)
readpage: yes, unlocks
writepages:
set_page_dirty no
-readpages:
+readahead: yes, unlocks
+readpages: no
write_begin: locks the page exclusive
write_end: yes, unlocks exclusive
bmap:
@@ -295,6 +297,8 @@ the request handler (/dev/loop).
->readpage() unlocks the page, either synchronously or via I/O
completion.
+->readahead() unlocks the pages that I/O is attempted on like ->readpage().
+
->readpages() populates the pagecache with the passed pages and starts
I/O against them. They come unlocked upon I/O completion.
diff --git a/Documentation/filesystems/locks.txt b/Documentation/filesystems/locks.rst
index 5368690f412e..c5ae858b1aac 100644
--- a/Documentation/filesystems/locks.txt
+++ b/Documentation/filesystems/locks.rst
@@ -1,4 +1,8 @@
- File Locking Release Notes
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
+File Locking Release Notes
+==========================
Andy Walker <andy@lysaker.kvaerner.no>
@@ -6,7 +10,7 @@
1. What's New?
---------------
+==============
1.1 Broken Flock Emulation
--------------------------
@@ -25,7 +29,7 @@ anyway (see the file "Documentation/process/changes.rst".)
---------------------------
1.2.1 Typical Problems - Sendmail
----------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Because sendmail was unable to use the old flock() emulation, many sendmail
installations use fcntl() instead of flock(). This is true of Slackware 3.0
for example. This gave rise to some other subtle problems if sendmail was
@@ -37,7 +41,7 @@ to lock solid with deadlocked processes.
1.2.2 The Solution
-------------------
+^^^^^^^^^^^^^^^^^^
The solution I have chosen, after much experimentation and discussion,
is to make flock() and fcntl() locks oblivious to each other. Both can
exists, and neither will have any effect on the other.
@@ -54,7 +58,7 @@ fcntl(), with all the problems that implies.
---------------------------------------
Mandatory locking, as described in
-'Documentation/filesystems/mandatory-locking.txt' was prior to this release a
+'Documentation/filesystems/mandatory-locking.rst' was prior to this release a
general configuration option that was valid for all mounted filesystems. This
had a number of inherent dangers, not the least of which was the ability to
freeze an NFS server by asking it to read a file for which a mandatory lock
diff --git a/Documentation/filesystems/mandatory-locking.txt b/Documentation/filesystems/mandatory-locking.rst
index a251ca33164a..9ce73544a8f0 100644
--- a/Documentation/filesystems/mandatory-locking.txt
+++ b/Documentation/filesystems/mandatory-locking.rst
@@ -1,8 +1,13 @@
- Mandatory File Locking For The Linux Operating System
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================================================
+Mandatory File Locking For The Linux Operating System
+=====================================================
Andy Walker <andy@lysaker.kvaerner.no>
15 April 1996
+
(Updated September 2007)
0. Why you should avoid mandatory locking
@@ -53,15 +58,17 @@ possible on existing user code. The scheme is based on marking individual files
as candidates for mandatory locking, and using the existing fcntl()/lockf()
interface for applying locks just as if they were normal, advisory locks.
-Note 1: In saying "file" in the paragraphs above I am actually not telling
-the whole truth. System V locking is based on fcntl(). The granularity of
-fcntl() is such that it allows the locking of byte ranges in files, in addition
-to entire files, so the mandatory locking rules also have byte level
-granularity.
+.. Note::
+
+ 1. In saying "file" in the paragraphs above I am actually not telling
+ the whole truth. System V locking is based on fcntl(). The granularity of
+ fcntl() is such that it allows the locking of byte ranges in files, in
+ addition to entire files, so the mandatory locking rules also have byte
+ level granularity.
-Note 2: POSIX.1 does not specify any scheme for mandatory locking, despite
-borrowing the fcntl() locking scheme from System V. The mandatory locking
-scheme is defined by the System V Interface Definition (SVID) Version 3.
+ 2. POSIX.1 does not specify any scheme for mandatory locking, despite
+ borrowing the fcntl() locking scheme from System V. The mandatory locking
+ scheme is defined by the System V Interface Definition (SVID) Version 3.
2. Marking a file for mandatory locking
---------------------------------------
diff --git a/Documentation/filesystems/mount_api.txt b/Documentation/filesystems/mount_api.rst
index 87c14bbb2b35..dea22d64f060 100644
--- a/Documentation/filesystems/mount_api.txt
+++ b/Documentation/filesystems/mount_api.rst
@@ -1,8 +1,10 @@
- ====================
- FILESYSTEM MOUNT API
- ====================
+.. SPDX-License-Identifier: GPL-2.0
-CONTENTS
+====================
+fILESYSTEM Mount API
+====================
+
+.. CONTENTS
(1) Overview.
@@ -21,8 +23,7 @@ CONTENTS
(8) Parameter helper functions.
-========
-OVERVIEW
+Overview
========
The creation of new mounts is now to be done in a multistep process:
@@ -43,7 +44,7 @@ The creation of new mounts is now to be done in a multistep process:
(7) Destroy the context.
-To support this, the file_system_type struct gains two new fields:
+To support this, the file_system_type struct gains two new fields::
int (*init_fs_context)(struct fs_context *fc);
const struct fs_parameter_description *parameters;
@@ -57,12 +58,11 @@ Note that security initialisation is done *after* the filesystem is called so
that the namespaces may be adjusted first.
-======================
-THE FILESYSTEM CONTEXT
+The Filesystem context
======================
The creation and reconfiguration of a superblock is governed by a filesystem
-context. This is represented by the fs_context structure:
+context. This is represented by the fs_context structure::
struct fs_context {
const struct fs_context_operations *ops;
@@ -86,78 +86,106 @@ context. This is represented by the fs_context structure:
The fs_context fields are as follows:
- (*) const struct fs_context_operations *ops
+ * ::
+
+ const struct fs_context_operations *ops
These are operations that can be done on a filesystem context (see
below). This must be set by the ->init_fs_context() file_system_type
operation.
- (*) struct file_system_type *fs_type
+ * ::
+
+ struct file_system_type *fs_type
A pointer to the file_system_type of the filesystem that is being
constructed or reconfigured. This retains a reference on the type owner.
- (*) void *fs_private
+ * ::
+
+ void *fs_private
A pointer to the file system's private data. This is where the filesystem
will need to store any options it parses.
- (*) struct dentry *root
+ * ::
+
+ struct dentry *root
A pointer to the root of the mountable tree (and indirectly, the
superblock thereof). This is filled in by the ->get_tree() op. If this
is set, an active reference on root->d_sb must also be held.
- (*) struct user_namespace *user_ns
- (*) struct net *net_ns
+ * ::
+
+ struct user_namespace *user_ns
+ struct net *net_ns
There are a subset of the namespaces in use by the invoking process. They
retain references on each namespace. The subscribed namespaces may be
replaced by the filesystem to reflect other sources, such as the parent
mount superblock on an automount.
- (*) const struct cred *cred
+ * ::
+
+ const struct cred *cred
The mounter's credentials. This retains a reference on the credentials.
- (*) char *source
+ * ::
+
+ char *source
This specifies the source. It may be a block device (e.g. /dev/sda1) or
something more exotic, such as the "host:/path" that NFS desires.
- (*) char *subtype
+ * ::
+
+ char *subtype
This is a string to be added to the type displayed in /proc/mounts to
qualify it (used by FUSE). This is available for the filesystem to set if
desired.
- (*) void *security
+ * ::
+
+ void *security
A place for the LSMs to hang their security data for the superblock. The
relevant security operations are described below.
- (*) void *s_fs_info
+ * ::
+
+ void *s_fs_info
The proposed s_fs_info for a new superblock, set in the superblock by
sget_fc(). This can be used to distinguish superblocks.
- (*) unsigned int sb_flags
- (*) unsigned int sb_flags_mask
+ * ::
+
+ unsigned int sb_flags
+ unsigned int sb_flags_mask
Which bits SB_* flags are to be set/cleared in super_block::s_flags.
- (*) unsigned int s_iflags
+ * ::
+
+ unsigned int s_iflags
These will be bitwise-OR'd with s->s_iflags when a superblock is created.
- (*) enum fs_context_purpose
+ * ::
+
+ enum fs_context_purpose
This indicates the purpose for which the context is intended. The
available values are:
- FS_CONTEXT_FOR_MOUNT, -- New superblock for explicit mount
- FS_CONTEXT_FOR_SUBMOUNT -- New automatic submount of extant mount
- FS_CONTEXT_FOR_RECONFIGURE -- Change an existing mount
+ ========================== ======================================
+ FS_CONTEXT_FOR_MOUNT, New superblock for explicit mount
+ FS_CONTEXT_FOR_SUBMOUNT New automatic submount of extant mount
+ FS_CONTEXT_FOR_RECONFIGURE Change an existing mount
+ ========================== ======================================
The mount context is created by calling vfs_new_fs_context() or
vfs_dup_fs_context() and is destroyed with put_fs_context(). Note that the
@@ -176,11 +204,10 @@ mount context. For instance, NFS might pin the appropriate protocol version
module.
-=================================
-THE FILESYSTEM CONTEXT OPERATIONS
+The Filesystem Context Operations
=================================
-The filesystem context points to a table of operations:
+The filesystem context points to a table of operations::
struct fs_context_operations {
void (*free)(struct fs_context *fc);
@@ -195,24 +222,32 @@ The filesystem context points to a table of operations:
These operations are invoked by the various stages of the mount procedure to
manage the filesystem context. They are as follows:
- (*) void (*free)(struct fs_context *fc);
+ * ::
+
+ void (*free)(struct fs_context *fc);
Called to clean up the filesystem-specific part of the filesystem context
when the context is destroyed. It should be aware that parts of the
context may have been removed and NULL'd out by ->get_tree().
- (*) int (*dup)(struct fs_context *fc, struct fs_context *src_fc);
+ * ::
+
+ int (*dup)(struct fs_context *fc, struct fs_context *src_fc);
Called when a filesystem context has been duplicated to duplicate the
filesystem-private data. An error may be returned to indicate failure to
do this.
- [!] Note that even if this fails, put_fs_context() will be called
+ .. Warning::
+
+ Note that even if this fails, put_fs_context() will be called
immediately thereafter, so ->dup() *must* make the
filesystem-private data safe for ->free().
- (*) int (*parse_param)(struct fs_context *fc,
- struct struct fs_parameter *param);
+ * ::
+
+ int (*parse_param)(struct fs_context *fc,
+ struct struct fs_parameter *param);
Called when a parameter is being added to the filesystem context. param
points to the key name and maybe a value object. VFS-specific options
@@ -224,7 +259,9 @@ manage the filesystem context. They are as follows:
If successful, 0 should be returned or a negative error code otherwise.
- (*) int (*parse_monolithic)(struct fs_context *fc, void *data);
+ * ::
+
+ int (*parse_monolithic)(struct fs_context *fc, void *data);
Called when the mount(2) system call is invoked to pass the entire data
page in one go. If this is expected to be just a list of "key[=val]"
@@ -236,7 +273,9 @@ manage the filesystem context. They are as follows:
finds it's the standard key-val list then it may pass it off to
generic_parse_monolithic().
- (*) int (*get_tree)(struct fs_context *fc);
+ * ::
+
+ int (*get_tree)(struct fs_context *fc);
Called to get or create the mountable root and superblock, using the
information stored in the filesystem context (reconfiguration goes via a
@@ -249,7 +288,9 @@ manage the filesystem context. They are as follows:
The phase on a userspace-driven context will be set to only allow this to
be called once on any particular context.
- (*) int (*reconfigure)(struct fs_context *fc);
+ * ::
+
+ int (*reconfigure)(struct fs_context *fc);
Called to effect reconfiguration of a superblock using information stored
in the filesystem context. It may detach any resources it desires from
@@ -259,19 +300,20 @@ manage the filesystem context. They are as follows:
On success it should return 0. In the case of an error, it should return
a negative error code.
- [NOTE] reconfigure is intended as a replacement for remount_fs.
+ .. Note:: reconfigure is intended as a replacement for remount_fs.
-===========================
-FILESYSTEM CONTEXT SECURITY
+Filesystem context Security
===========================
The filesystem context contains a security pointer that the LSMs can use for
building up a security context for the superblock to be mounted. There are a
number of operations used by the new mount code for this purpose:
- (*) int security_fs_context_alloc(struct fs_context *fc,
- struct dentry *reference);
+ * ::
+
+ int security_fs_context_alloc(struct fs_context *fc,
+ struct dentry *reference);
Called to initialise fc->security (which is preset to NULL) and allocate
any resources needed. It should return 0 on success or a negative error
@@ -283,22 +325,28 @@ number of operations used by the new mount code for this purpose:
non-NULL in the case of a submount (FS_CONTEXT_FOR_SUBMOUNT) in which case
it indicates the automount point.
- (*) int security_fs_context_dup(struct fs_context *fc,
- struct fs_context *src_fc);
+ * ::
+
+ int security_fs_context_dup(struct fs_context *fc,
+ struct fs_context *src_fc);
Called to initialise fc->security (which is preset to NULL) and allocate
any resources needed. The original filesystem context is pointed to by
src_fc and may be used for reference. It should return 0 on success or a
negative error code on failure.
- (*) void security_fs_context_free(struct fs_context *fc);
+ * ::
+
+ void security_fs_context_free(struct fs_context *fc);
Called to clean up anything attached to fc->security. Note that the
contents may have been transferred to a superblock and the pointer cleared
during get_tree.
- (*) int security_fs_context_parse_param(struct fs_context *fc,
- struct fs_parameter *param);
+ * ::
+
+ int security_fs_context_parse_param(struct fs_context *fc,
+ struct fs_parameter *param);
Called for each mount parameter, including the source. The arguments are
as for the ->parse_param() method. It should return 0 to indicate that
@@ -310,7 +358,9 @@ number of operations used by the new mount code for this purpose:
(provided the value pointer is NULL'd out). If it is stolen, 1 must be
returned to prevent it being passed to the filesystem.
- (*) int security_fs_context_validate(struct fs_context *fc);
+ * ::
+
+ int security_fs_context_validate(struct fs_context *fc);
Called after all the options have been parsed to validate the collection
as a whole and to do any necessary allocation so that
@@ -320,36 +370,43 @@ number of operations used by the new mount code for this purpose:
In the case of reconfiguration, the target superblock will be accessible
via fc->root.
- (*) int security_sb_get_tree(struct fs_context *fc);
+ * ::
+
+ int security_sb_get_tree(struct fs_context *fc);
Called during the mount procedure to verify that the specified superblock
is allowed to be mounted and to transfer the security data there. It
should return 0 or a negative error code.
- (*) void security_sb_reconfigure(struct fs_context *fc);
+ * ::
+
+ void security_sb_reconfigure(struct fs_context *fc);
Called to apply any reconfiguration to an LSM's context. It must not
fail. Error checking and resource allocation must be done in advance by
the parameter parsing and validation hooks.
- (*) int security_sb_mountpoint(struct fs_context *fc, struct path *mountpoint,
- unsigned int mnt_flags);
+ * ::
+
+ int security_sb_mountpoint(struct fs_context *fc,
+ struct path *mountpoint,
+ unsigned int mnt_flags);
Called during the mount procedure to verify that the root dentry attached
to the context is permitted to be attached to the specified mountpoint.
It should return 0 on success or a negative error code on failure.
-==========================
-VFS FILESYSTEM CONTEXT API
+VFS Filesystem context API
==========================
There are four operations for creating a filesystem context and one for
destroying a context:
- (*) struct fs_context *fs_context_for_mount(
- struct file_system_type *fs_type,
- unsigned int sb_flags);
+ * ::
+
+ struct fs_context *fs_context_for_mount(struct file_system_type *fs_type,
+ unsigned int sb_flags);
Allocate a filesystem context for the purpose of setting up a new mount,
whether that be with a new superblock or sharing an existing one. This
@@ -359,7 +416,9 @@ destroying a context:
fs_type specifies the filesystem type that will manage the context and
sb_flags presets the superblock flags stored therein.
- (*) struct fs_context *fs_context_for_reconfigure(
+ * ::
+
+ struct fs_context *fs_context_for_reconfigure(
struct dentry *dentry,
unsigned int sb_flags,
unsigned int sb_flags_mask);
@@ -369,7 +428,9 @@ destroying a context:
configured. sb_flags and sb_flags_mask indicate which superblock flags
need changing and to what.
- (*) struct fs_context *fs_context_for_submount(
+ * ::
+
+ struct fs_context *fs_context_for_submount(
struct file_system_type *fs_type,
struct dentry *reference);
@@ -382,7 +443,9 @@ destroying a context:
Note that it's not a requirement that the reference dentry be of the same
filesystem type as fs_type.
- (*) struct fs_context *vfs_dup_fs_context(struct fs_context *src_fc);
+ * ::
+
+ struct fs_context *vfs_dup_fs_context(struct fs_context *src_fc);
Duplicate a filesystem context, copying any options noted and duplicating
or additionally referencing any resources held therein. This is available
@@ -392,14 +455,18 @@ destroying a context:
The purpose in the new context is inherited from the old one.
- (*) void put_fs_context(struct fs_context *fc);
+ * ::
+
+ void put_fs_context(struct fs_context *fc);
Destroy a filesystem context, releasing any resources it holds. This
calls the ->free() operation. This is intended to be called by anyone who
created a filesystem context.
- [!] filesystem contexts are not refcounted, so this causes unconditional
- destruction.
+ .. Warning::
+
+ filesystem contexts are not refcounted, so this causes unconditional
+ destruction.
In all the above operations, apart from the put op, the return is a mount
context pointer or a negative error code.
@@ -407,8 +474,10 @@ context pointer or a negative error code.
For the remaining operations, if an error occurs, a negative error code will be
returned.
- (*) int vfs_parse_fs_param(struct fs_context *fc,
- struct fs_parameter *param);
+ * ::
+
+ int vfs_parse_fs_param(struct fs_context *fc,
+ struct fs_parameter *param);
Supply a single mount parameter to the filesystem context. This include
the specification of the source/device which is specified as the "source"
@@ -423,53 +492,64 @@ returned.
The parameter value is typed and can be one of:
- fs_value_is_flag, Parameter not given a value.
- fs_value_is_string, Value is a string
- fs_value_is_blob, Value is a binary blob
- fs_value_is_filename, Value is a filename* + dirfd
- fs_value_is_file, Value is an open file (file*)
+ ==================== =============================
+ fs_value_is_flag Parameter not given a value
+ fs_value_is_string Value is a string
+ fs_value_is_blob Value is a binary blob
+ fs_value_is_filename Value is a filename* + dirfd
+ fs_value_is_file Value is an open file (file*)
+ ==================== =============================
If there is a value, that value is stored in a union in the struct in one
of param->{string,blob,name,file}. Note that the function may steal and
clear the pointer, but then becomes responsible for disposing of the
object.
- (*) int vfs_parse_fs_string(struct fs_context *fc, const char *key,
- const char *value, size_t v_size);
+ * ::
+
+ int vfs_parse_fs_string(struct fs_context *fc, const char *key,
+ const char *value, size_t v_size);
A wrapper around vfs_parse_fs_param() that copies the value string it is
passed.
- (*) int generic_parse_monolithic(struct fs_context *fc, void *data);
+ * ::
+
+ int generic_parse_monolithic(struct fs_context *fc, void *data);
Parse a sys_mount() data page, assuming the form to be a text list
consisting of key[=val] options separated by commas. Each item in the
list is passed to vfs_mount_option(). This is the default when the
->parse_monolithic() method is NULL.
- (*) int vfs_get_tree(struct fs_context *fc);
+ * ::
+
+ int vfs_get_tree(struct fs_context *fc);
Get or create the mountable root and superblock, using the parameters in
the filesystem context to select/configure the superblock. This invokes
the ->get_tree() method.
- (*) struct vfsmount *vfs_create_mount(struct fs_context *fc);
+ * ::
+
+ struct vfsmount *vfs_create_mount(struct fs_context *fc);
Create a mount given the parameters in the specified filesystem context.
Note that this does not attach the mount to anything.
-===========================
-SUPERBLOCK CREATION HELPERS
+Superblock Creation Helpers
===========================
A number of VFS helpers are available for use by filesystems for the creation
or looking up of superblocks.
- (*) struct super_block *
- sget_fc(struct fs_context *fc,
- int (*test)(struct super_block *sb, struct fs_context *fc),
- int (*set)(struct super_block *sb, struct fs_context *fc));
+ * ::
+
+ struct super_block *
+ sget_fc(struct fs_context *fc,
+ int (*test)(struct super_block *sb, struct fs_context *fc),
+ int (*set)(struct super_block *sb, struct fs_context *fc));
This is the core routine. If test is non-NULL, it searches for an
existing superblock matching the criteria held in the fs_context, using
@@ -482,10 +562,12 @@ or looking up of superblocks.
The following helpers all wrap sget_fc():
- (*) int vfs_get_super(struct fs_context *fc,
- enum vfs_get_super_keying keying,
- int (*fill_super)(struct super_block *sb,
- struct fs_context *fc))
+ * ::
+
+ int vfs_get_super(struct fs_context *fc,
+ enum vfs_get_super_keying keying,
+ int (*fill_super)(struct super_block *sb,
+ struct fs_context *fc))
This creates/looks up a deviceless superblock. The keying indicates how
many superblocks of this type may exist and in what manner they may be
@@ -515,14 +597,14 @@ PARAMETER DESCRIPTION
=====================
Parameters are described using structures defined in linux/fs_parser.h.
-There's a core description struct that links everything together:
+There's a core description struct that links everything together::
struct fs_parameter_description {
const struct fs_parameter_spec *specs;
const struct fs_parameter_enum *enums;
};
-For example:
+For example::
enum {
Opt_autocell,
@@ -539,10 +621,12 @@ For example:
The members are as follows:
- (1) const struct fs_parameter_specification *specs;
+ (1) ::
+
+ const struct fs_parameter_specification *specs;
Table of parameter specifications, terminated with a null entry, where the
- entries are of type:
+ entries are of type::
struct fs_parameter_spec {
const char *name;
@@ -558,6 +642,7 @@ The members are as follows:
The 'type' field indicates the desired value type and must be one of:
+ ======================= ======================= =====================
TYPE NAME EXPECTED VALUE RESULT IN
======================= ======================= =====================
fs_param_is_flag No value n/a
@@ -573,19 +658,23 @@ The members are as follows:
fs_param_is_blockdev Blockdev path * Needs lookup
fs_param_is_path Path * Needs lookup
fs_param_is_fd File descriptor result->int_32
+ ======================= ======================= =====================
Note that if the value is of fs_param_is_bool type, fs_parse() will try
to match any string value against "0", "1", "no", "yes", "false", "true".
Each parameter can also be qualified with 'flags':
+ ======================= ================================================
fs_param_v_optional The value is optional
fs_param_neg_with_no result->negated set if key is prefixed with "no"
fs_param_neg_with_empty result->negated set if value is ""
fs_param_deprecated The parameter is deprecated.
+ ======================= ================================================
These are wrapped with a number of convenience wrappers:
+ ======================= ===============================================
MACRO SPECIFIES
======================= ===============================================
fsparam_flag() fs_param_is_flag
@@ -602,9 +691,10 @@ The members are as follows:
fsparam_bdev() fs_param_is_blockdev
fsparam_path() fs_param_is_path
fsparam_fd() fs_param_is_fd
+ ======================= ===============================================
all of which take two arguments, name string and option number - for
- example:
+ example::
static const struct fs_parameter_spec afs_param_specs[] = {
fsparam_flag ("autocell", Opt_autocell),
@@ -618,10 +708,12 @@ The members are as follows:
of arguments to specify the type and the flags for anything that doesn't
match one of the above macros.
- (2) const struct fs_parameter_enum *enums;
+ (2) ::
+
+ const struct fs_parameter_enum *enums;
Table of enum value names to integer mappings, terminated with a null
- entry. This is of type:
+ entry. This is of type::
struct fs_parameter_enum {
u8 opt;
@@ -630,7 +722,7 @@ The members are as follows:
};
Where the array is an unsorted list of { parameter ID, name }-keyed
- elements that indicate the value to map to, e.g.:
+ elements that indicate the value to map to, e.g.::
static const struct fs_parameter_enum afs_param_enums[] = {
{ Opt_bar, "x", 1},
@@ -648,18 +740,19 @@ CONFIG_VALIDATE_FS_PARSER=y) and will allow the description to be queried from
userspace using the fsinfo() syscall.
-==========================
-PARAMETER HELPER FUNCTIONS
+Parameter Helper Functions
==========================
A number of helper functions are provided to help a filesystem or an LSM
process the parameters it is given.
- (*) int lookup_constant(const struct constant_table tbl[],
- const char *name, int not_found);
+ * ::
+
+ int lookup_constant(const struct constant_table tbl[],
+ const char *name, int not_found);
Look up a constant by name in a table of name -> integer mappings. The
- table is an array of elements of the following type:
+ table is an array of elements of the following type::
struct constant_table {
const char *name;
@@ -669,9 +762,11 @@ process the parameters it is given.
If a match is found, the corresponding value is returned. If a match
isn't found, the not_found value is returned instead.
- (*) bool validate_constant_table(const struct constant_table *tbl,
- size_t tbl_size,
- int low, int high, int special);
+ * ::
+
+ bool validate_constant_table(const struct constant_table *tbl,
+ size_t tbl_size,
+ int low, int high, int special);
Validate a constant table. Checks that all the elements are appropriately
ordered, that there are no duplicates and that the values are between low
@@ -682,16 +777,20 @@ process the parameters it is given.
If all is good, true is returned. If the table is invalid, errors are
logged to dmesg and false is returned.
- (*) bool fs_validate_description(const struct fs_parameter_description *desc);
+ * ::
+
+ bool fs_validate_description(const struct fs_parameter_description *desc);
This performs some validation checks on a parameter description. It
returns true if the description is good and false if it is not. It will
log errors to dmesg if validation fails.
- (*) int fs_parse(struct fs_context *fc,
- const struct fs_parameter_description *desc,
- struct fs_parameter *param,
- struct fs_parse_result *result);
+ * ::
+
+ int fs_parse(struct fs_context *fc,
+ const struct fs_parameter_description *desc,
+ struct fs_parameter *param,
+ struct fs_parse_result *result);
This is the main interpreter of parameters. It uses the parameter
description to look up a parameter by key name and to convert that to an
@@ -711,14 +810,16 @@ process the parameters it is given.
parameter is matched, but the value is erroneous, -EINVAL will be
returned; otherwise the parameter's option number will be returned.
- (*) int fs_lookup_param(struct fs_context *fc,
- struct fs_parameter *value,
- bool want_bdev,
- struct path *_path);
+ * ::
+
+ int fs_lookup_param(struct fs_context *fc,
+ struct fs_parameter *value,
+ bool want_bdev,
+ struct path *_path);
This takes a parameter that carries a string or filename type and attempts
to do a path lookup on it. If the parameter expects a blockdev, a check
is made that the inode actually represents one.
- Returns 0 if successful and *_path will be set; returns a negative error
- code if not.
+ Returns 0 if successful and ``*_path`` will be set; returns a negative
+ error code if not.
diff --git a/Documentation/filesystems/orangefs.rst b/Documentation/filesystems/orangefs.rst
index e41369709c5b..463e37694250 100644
--- a/Documentation/filesystems/orangefs.rst
+++ b/Documentation/filesystems/orangefs.rst
@@ -119,9 +119,7 @@ it comes to that question::
/opt/ofs/bin/pvfs2-genconfig /etc/pvfs2.conf
-Create an /etc/pvfs2tab file::
-
-Localhost is fine for your pvfs2tab file:
+Create an /etc/pvfs2tab file (localhost is fine)::
echo tcp://localhost:3334/orangefs /pvfsmnt pvfs2 defaults,noauto 0 0 > \
/etc/pvfs2tab
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 38b606991065..430963e0e8c3 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -543,6 +543,7 @@ encoded manner. The codes are the following:
hg huge page advise flag
nh no huge page advise flag
mg mergable advise flag
+ bt - arm64 BTI guarded page
== =======================================
Note that there is no guarantee that every flag and associated mnemonic will
@@ -1042,8 +1043,8 @@ PageTables
amount of memory dedicated to the lowest level of page
tables.
NFS_Unstable
- NFS pages sent to the server, but not yet committed to stable
- storage
+ Always zero. Previous counted pages which had been written to
+ the server, but has not been committed to stable storage.
Bounce
Memory used for block device "bounce buffers"
WritebackTmp
@@ -1870,7 +1871,7 @@ unbindable mount is unbindable
For more information on mount propagation see:
- Documentation/filesystems/sharedsubtree.txt
+ Documentation/filesystems/sharedsubtree.rst
3.6 /proc/<pid>/comm & /proc/<pid>/task/<tid>/comm
diff --git a/Documentation/filesystems/quota.txt b/Documentation/filesystems/quota.rst
index 32874b06ebe9..a30cdd47c652 100644
--- a/Documentation/filesystems/quota.txt
+++ b/Documentation/filesystems/quota.rst
@@ -1,4 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+===============
Quota subsystem
===============
@@ -39,6 +41,7 @@ Currently, the interface supports only one message type QUOTA_NL_C_WARNING.
This command is used to send a notification about any of the above mentioned
events. Each message has six attributes. These are (type of the argument is
in parentheses):
+
QUOTA_NL_A_QTYPE (u32)
- type of quota being exceeded (one of USRQUOTA, GRPQUOTA)
QUOTA_NL_A_EXCESS_ID (u64)
@@ -48,20 +51,34 @@ in parentheses):
- UID of a user who caused the event
QUOTA_NL_A_WARNING (u32)
- what kind of limit is exceeded:
- QUOTA_NL_IHARDWARN - inode hardlimit
- QUOTA_NL_ISOFTLONGWARN - inode softlimit is exceeded longer
- than given grace period
- QUOTA_NL_ISOFTWARN - inode softlimit
- QUOTA_NL_BHARDWARN - space (block) hardlimit
- QUOTA_NL_BSOFTLONGWARN - space (block) softlimit is exceeded
- longer than given grace period.
- QUOTA_NL_BSOFTWARN - space (block) softlimit
+
+ QUOTA_NL_IHARDWARN
+ inode hardlimit
+ QUOTA_NL_ISOFTLONGWARN
+ inode softlimit is exceeded longer
+ than given grace period
+ QUOTA_NL_ISOFTWARN
+ inode softlimit
+ QUOTA_NL_BHARDWARN
+ space (block) hardlimit
+ QUOTA_NL_BSOFTLONGWARN
+ space (block) softlimit is exceeded
+ longer than given grace period.
+ QUOTA_NL_BSOFTWARN
+ space (block) softlimit
+
- four warnings are also defined for the event when user stops
exceeding some limit:
- QUOTA_NL_IHARDBELOW - inode hardlimit
- QUOTA_NL_ISOFTBELOW - inode softlimit
- QUOTA_NL_BHARDBELOW - space (block) hardlimit
- QUOTA_NL_BSOFTBELOW - space (block) softlimit
+
+ QUOTA_NL_IHARDBELOW
+ inode hardlimit
+ QUOTA_NL_ISOFTBELOW
+ inode softlimit
+ QUOTA_NL_BHARDBELOW
+ space (block) hardlimit
+ QUOTA_NL_BSOFTBELOW
+ space (block) softlimit
+
QUOTA_NL_A_DEV_MAJOR (u32)
- major number of a device with the affected filesystem
QUOTA_NL_A_DEV_MINOR (u32)
diff --git a/Documentation/filesystems/ramfs-rootfs-initramfs.rst b/Documentation/filesystems/ramfs-rootfs-initramfs.rst
index 6c576e241d86..3fddacc6bf14 100644
--- a/Documentation/filesystems/ramfs-rootfs-initramfs.rst
+++ b/Documentation/filesystems/ramfs-rootfs-initramfs.rst
@@ -71,7 +71,7 @@ be allowed write access to a ramfs mount.
A ramfs derivative called tmpfs was created to add size limits, and the ability
to write the data to swap space. Normal users can be allowed write access to
-tmpfs mounts. See Documentation/filesystems/tmpfs.txt for more information.
+tmpfs mounts. See Documentation/filesystems/tmpfs.rst for more information.
What is rootfs?
---------------
diff --git a/Documentation/filesystems/seq_file.txt b/Documentation/filesystems/seq_file.rst
index d412b236a9d6..fab302046b13 100644
--- a/Documentation/filesystems/seq_file.txt
+++ b/Documentation/filesystems/seq_file.rst
@@ -1,6 +1,11 @@
-The seq_file interface
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
+The seq_file Interface
+======================
Copyright 2003 Jonathan Corbet <corbet@lwn.net>
+
This file is originally from the LWN.net Driver Porting series at
http://lwn.net/Articles/driver-porting/
@@ -43,7 +48,7 @@ loadable module which creates a file called /proc/sequence. The file, when
read, simply produces a set of increasing integer values, one per line. The
sequence will continue until the user loses patience and finds something
better to do. The file is seekable, in that one can do something like the
-following:
+following::
dd if=/proc/sequence of=out1 count=1
dd if=/proc/sequence skip=1 of=out2 count=1
@@ -55,16 +60,18 @@ wanting to see the full source for this module can find it at
http://lwn.net/Articles/22359/).
Deprecated create_proc_entry
+============================
Note that the above article uses create_proc_entry which was removed in
-kernel 3.10. Current versions require the following update
+kernel 3.10. Current versions require the following update::
-- entry = create_proc_entry("sequence", 0, NULL);
-- if (entry)
-- entry->proc_fops = &ct_file_ops;
-+ entry = proc_create("sequence", 0, NULL, &ct_file_ops);
+ - entry = create_proc_entry("sequence", 0, NULL);
+ - if (entry)
+ - entry->proc_fops = &ct_file_ops;
+ + entry = proc_create("sequence", 0, NULL, &ct_file_ops);
The iterator interface
+======================
Modules implementing a virtual file with seq_file must implement an
iterator object that allows stepping through the data of interest
@@ -99,7 +106,7 @@ position. The pos passed to start() will always be either zero, or
the most recent pos used in the previous session.
For our simple sequence example,
-the start() function looks like:
+the start() function looks like::
static void *ct_seq_start(struct seq_file *s, loff_t *pos)
{
@@ -129,7 +136,7 @@ move the iterator forward to the next position in the sequence. The
example module can simply increment the position by one; more useful
modules will do what is needed to step through some data structure. The
next() function returns a new iterator, or NULL if the sequence is
-complete. Here's the example version:
+complete. Here's the example version::
static void *ct_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
@@ -141,10 +148,10 @@ complete. Here's the example version:
The stop() function closes a session; its job, of course, is to clean
up. If dynamic memory is allocated for the iterator, stop() is the
place to free it; if a lock was taken by start(), stop() must release
-that lock. The value that *pos was set to by the last next() call
+that lock. The value that ``*pos`` was set to by the last next() call
before stop() is remembered, and used for the first start() call of
the next session unless lseek() has been called on the file; in that
-case next start() will be asked to start at position zero.
+case next start() will be asked to start at position zero::
static void ct_seq_stop(struct seq_file *s, void *v)
{
@@ -152,7 +159,7 @@ case next start() will be asked to start at position zero.
}
Finally, the show() function should format the object currently pointed to
-by the iterator for output. The example module's show() function is:
+by the iterator for output. The example module's show() function is::
static int ct_seq_show(struct seq_file *s, void *v)
{
@@ -169,7 +176,7 @@ generated output before returning SEQ_SKIP, that output will be dropped.
We will look at seq_printf() in a moment. But first, the definition of the
seq_file iterator is finished by creating a seq_operations structure with
-the four functions we have just defined:
+the four functions we have just defined::
static const struct seq_operations ct_seq_ops = {
.start = ct_seq_start,
@@ -194,6 +201,7 @@ other locks while the iterator is active.
Formatted output
+================
The seq_file code manages positioning within the output created by the
iterator and getting it into the user's buffer. But, for that to work, that
@@ -203,7 +211,7 @@ been defined which make this task easy.
Most code will simply use seq_printf(), which works pretty much like
printk(), but which requires the seq_file pointer as an argument.
-For straight character output, the following functions may be used:
+For straight character output, the following functions may be used::
seq_putc(struct seq_file *m, char c);
seq_puts(struct seq_file *m, const char *s);
@@ -213,7 +221,7 @@ The first two output a single character and a string, just like one would
expect. seq_escape() is like seq_puts(), except that any character in s
which is in the string esc will be represented in octal form in the output.
-There are also a pair of functions for printing filenames:
+There are also a pair of functions for printing filenames::
int seq_path(struct seq_file *m, const struct path *path,
const char *esc);
@@ -226,8 +234,10 @@ the path relative to the current process's filesystem root. If a different
root is desired, it can be used with seq_path_root(). If it turns out that
path cannot be reached from root, seq_path_root() returns SEQ_SKIP.
-A function producing complicated output may want to check
+A function producing complicated output may want to check::
+
bool seq_has_overflowed(struct seq_file *m);
+
and avoid further seq_<output> calls if true is returned.
A true return from seq_has_overflowed means that the seq_file buffer will
@@ -236,6 +246,7 @@ buffer and retry printing.
Making it all work
+==================
So far, we have a nice set of functions which can produce output within the
seq_file system, but we have not yet turned them into a file that a user
@@ -244,7 +255,7 @@ creation of a set of file_operations which implement the operations on that
file. The seq_file interface provides a set of canned operations which do
most of the work. The virtual file author still must implement the open()
method, however, to hook everything up. The open function is often a single
-line, as in the example module:
+line, as in the example module::
static int ct_open(struct inode *inode, struct file *file)
{
@@ -263,7 +274,7 @@ by the iterator functions.
There is also a wrapper function to seq_open() called seq_open_private(). It
kmallocs a zero filled block of memory and stores a pointer to it in the
private field of the seq_file structure, returning 0 on success. The
-block size is specified in a third parameter to the function, e.g.:
+block size is specified in a third parameter to the function, e.g.::
static int ct_open(struct inode *inode, struct file *file)
{
@@ -273,7 +284,7 @@ block size is specified in a third parameter to the function, e.g.:
There is also a variant function, __seq_open_private(), which is functionally
identical except that, if successful, it returns the pointer to the allocated
-memory block, allowing further initialisation e.g.:
+memory block, allowing further initialisation e.g.::
static int ct_open(struct inode *inode, struct file *file)
{
@@ -295,7 +306,7 @@ frees the memory allocated in the corresponding open.
The other operations of interest - read(), llseek(), and release() - are
all implemented by the seq_file code itself. So a virtual file's
-file_operations structure will look like:
+file_operations structure will look like::
static const struct file_operations ct_file_ops = {
.owner = THIS_MODULE,
@@ -309,7 +320,7 @@ There is also a seq_release_private() which passes the contents of the
seq_file private field to kfree() before releasing the structure.
The final step is the creation of the /proc file itself. In the example
-code, that is done in the initialization code in the usual way:
+code, that is done in the initialization code in the usual way::
static int ct_init(void)
{
@@ -325,9 +336,10 @@ And that is pretty much it.
seq_list
+========
If your file will be iterating through a linked list, you may find these
-routines useful:
+routines useful::
struct list_head *seq_list_start(struct list_head *head,
loff_t pos);
@@ -338,15 +350,16 @@ routines useful:
These helpers will interpret pos as a position within the list and iterate
accordingly. Your start() and next() functions need only invoke the
-seq_list_* helpers with a pointer to the appropriate list_head structure.
+``seq_list_*`` helpers with a pointer to the appropriate list_head structure.
The extra-simple version
+========================
For extremely simple virtual files, there is an even easier interface. A
module can define only the show() function, which should create all the
output that the virtual file will contain. The file's open() method then
-calls:
+calls::
int single_open(struct file *file,
int (*show)(struct seq_file *m, void *p),
diff --git a/Documentation/filesystems/sharedsubtree.txt b/Documentation/filesystems/sharedsubtree.rst
index 8ccfbd55244b..d83395354250 100644
--- a/Documentation/filesystems/sharedsubtree.txt
+++ b/Documentation/filesystems/sharedsubtree.rst
@@ -1,7 +1,10 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===============
Shared Subtrees
----------------
+===============
-Contents:
+.. Contents:
1) Overview
2) Features
3) Setting mount states
@@ -41,31 +44,38 @@ replicas continue to be exactly same.
Here is an example:
- Let's say /mnt has a mount that is shared.
- mount --make-shared /mnt
+ Let's say /mnt has a mount that is shared::
+
+ mount --make-shared /mnt
Note: mount(8) command now supports the --make-shared flag,
so the sample 'smount' program is no longer needed and has been
removed.
- # mount --bind /mnt /tmp
+ ::
+
+ # mount --bind /mnt /tmp
+
The above command replicates the mount at /mnt to the mountpoint /tmp
and the contents of both the mounts remain identical.
- #ls /mnt
- a b c
+ ::
- #ls /tmp
- a b c
+ #ls /mnt
+ a b c
- Now let's say we mount a device at /tmp/a
- # mount /dev/sd0 /tmp/a
+ #ls /tmp
+ a b c
- #ls /tmp/a
- t1 t2 t3
+ Now let's say we mount a device at /tmp/a::
- #ls /mnt/a
- t1 t2 t3
+ # mount /dev/sd0 /tmp/a
+
+ #ls /tmp/a
+ t1 t2 t3
+
+ #ls /mnt/a
+ t1 t2 t3
Note that the mount has propagated to the mount at /mnt as well.
@@ -123,14 +133,15 @@ replicas continue to be exactly same.
2d) A unbindable mount is a unbindable private mount
- let's say we have a mount at /mnt and we make it unbindable
+ let's say we have a mount at /mnt and we make it unbindable::
+
+ # mount --make-unbindable /mnt
- # mount --make-unbindable /mnt
+ Let's try to bind mount this mount somewhere else::
- Let's try to bind mount this mount somewhere else.
- # mount --bind /mnt /tmp
- mount: wrong fs type, bad option, bad superblock on /mnt,
- or too many mounted file systems
+ # mount --bind /mnt /tmp
+ mount: wrong fs type, bad option, bad superblock on /mnt,
+ or too many mounted file systems
Binding a unbindable mount is a invalid operation.
@@ -138,12 +149,12 @@ replicas continue to be exactly same.
3) Setting mount states
The mount command (util-linux package) can be used to set mount
- states:
+ states::
- mount --make-shared mountpoint
- mount --make-slave mountpoint
- mount --make-private mountpoint
- mount --make-unbindable mountpoint
+ mount --make-shared mountpoint
+ mount --make-slave mountpoint
+ mount --make-private mountpoint
+ mount --make-unbindable mountpoint
4) Use cases
@@ -154,9 +165,10 @@ replicas continue to be exactly same.
Solution:
- The system administrator can make the mount at /cdrom shared
- mount --bind /cdrom /cdrom
- mount --make-shared /cdrom
+ The system administrator can make the mount at /cdrom shared::
+
+ mount --bind /cdrom /cdrom
+ mount --make-shared /cdrom
Now any process that clones off a new namespace will have a
mount at /cdrom which is a replica of the same mount in the
@@ -172,14 +184,14 @@ replicas continue to be exactly same.
Solution:
To begin with, the administrator can mark the entire mount tree
- as shareable.
+ as shareable::
- mount --make-rshared /
+ mount --make-rshared /
A new process can clone off a new namespace. And mark some part
- of its namespace as slave
+ of its namespace as slave::
- mount --make-rslave /myprivatetree
+ mount --make-rslave /myprivatetree
Hence forth any mounts within the /myprivatetree done by the
process will not show up in any other namespace. However mounts
@@ -206,13 +218,13 @@ replicas continue to be exactly same.
versions of the file depending on the path used to access that
file.
- An example is:
+ An example is::
- mount --make-shared /
- mount --rbind / /view/v1
- mount --rbind / /view/v2
- mount --rbind / /view/v3
- mount --rbind / /view/v4
+ mount --make-shared /
+ mount --rbind / /view/v1
+ mount --rbind / /view/v2
+ mount --rbind / /view/v3
+ mount --rbind / /view/v4
and if /usr has a versioning filesystem mounted, then that
mount appears at /view/v1/usr, /view/v2/usr, /view/v3/usr and
@@ -224,8 +236,8 @@ replicas continue to be exactly same.
filesystem is being requested and return the corresponding
inode.
-5) Detailed semantics:
--------------------
+5) Detailed semantics
+---------------------
The section below explains the detailed semantics of
bind, rbind, move, mount, umount and clone-namespace operations.
@@ -235,6 +247,7 @@ replicas continue to be exactly same.
5a) Mount states
A given mount can be in one of the following states
+
1) shared
2) slave
3) shared and slave
@@ -252,7 +265,8 @@ replicas continue to be exactly same.
A 'shared mount' is defined as a vfsmount that belongs to a
'peer group'.
- For example:
+ For example::
+
mount --make-shared /mnt
mount --bind /mnt /tmp
@@ -270,7 +284,7 @@ replicas continue to be exactly same.
A slave mount as the name implies has a master mount from which
mount/unmount events are received. Events do not propagate from
the slave mount to the master. Only a shared mount can be made
- a slave by executing the following command
+ a slave by executing the following command::
mount --make-slave mount
@@ -290,8 +304,10 @@ replicas continue to be exactly same.
peer group.
Only a slave vfsmount can be made as 'shared and slave' by
- either executing the following command
+ either executing the following command::
+
mount --make-shared mount
+
or by moving the slave vfsmount under a shared vfsmount.
(4) Private mount
@@ -307,30 +323,32 @@ replicas continue to be exactly same.
State diagram:
+
The state diagram below explains the state transition of a mount,
- in response to various commands.
- ------------------------------------------------------------------------
- | |make-shared | make-slave | make-private |make-unbindab|
- --------------|------------|--------------|--------------|-------------|
- |shared |shared |*slave/private| private | unbindable |
- | | | | | |
- |-------------|------------|--------------|--------------|-------------|
- |slave |shared | **slave | private | unbindable |
- | |and slave | | | |
- |-------------|------------|--------------|--------------|-------------|
- |shared |shared | slave | private | unbindable |
- |and slave |and slave | | | |
- |-------------|------------|--------------|--------------|-------------|
- |private |shared | **private | private | unbindable |
- |-------------|------------|--------------|--------------|-------------|
- |unbindable |shared |**unbindable | private | unbindable |
- ------------------------------------------------------------------------
-
- * if the shared mount is the only mount in its peer group, making it
- slave, makes it private automatically. Note that there is no master to
- which it can be slaved to.
-
- ** slaving a non-shared mount has no effect on the mount.
+ in response to various commands::
+
+ -----------------------------------------------------------------------
+ | |make-shared | make-slave | make-private |make-unbindab|
+ --------------|------------|--------------|--------------|-------------|
+ |shared |shared |*slave/private| private | unbindable |
+ | | | | | |
+ |-------------|------------|--------------|--------------|-------------|
+ |slave |shared | **slave | private | unbindable |
+ | |and slave | | | |
+ |-------------|------------|--------------|--------------|-------------|
+ |shared |shared | slave | private | unbindable |
+ |and slave |and slave | | | |
+ |-------------|------------|--------------|--------------|-------------|
+ |private |shared | **private | private | unbindable |
+ |-------------|------------|--------------|--------------|-------------|
+ |unbindable |shared |**unbindable | private | unbindable |
+ ------------------------------------------------------------------------
+
+ * if the shared mount is the only mount in its peer group, making it
+ slave, makes it private automatically. Note that there is no master to
+ which it can be slaved to.
+
+ ** slaving a non-shared mount has no effect on the mount.
Apart from the commands listed below, the 'move' operation also changes
the state of a mount depending on type of the destination mount. Its
@@ -338,31 +356,32 @@ replicas continue to be exactly same.
5b) Bind semantics
- Consider the following command
+ Consider the following command::
- mount --bind A/a B/b
+ mount --bind A/a B/b
where 'A' is the source mount, 'a' is the dentry in the mount 'A', 'B'
is the destination mount and 'b' is the dentry in the destination mount.
The outcome depends on the type of mount of 'A' and 'B'. The table
- below contains quick reference.
- ---------------------------------------------------------------------------
- | BIND MOUNT OPERATION |
- |**************************************************************************
- |source(A)->| shared | private | slave | unbindable |
- | dest(B) | | | | |
- | | | | | | |
- | v | | | | |
- |**************************************************************************
- | shared | shared | shared | shared & slave | invalid |
- | | | | | |
- |non-shared| shared | private | slave | invalid |
- ***************************************************************************
+ below contains quick reference::
+
+ --------------------------------------------------------------------------
+ | BIND MOUNT OPERATION |
+ |************************************************************************|
+ |source(A)->| shared | private | slave | unbindable |
+ | dest(B) | | | | |
+ | | | | | | |
+ | v | | | | |
+ |************************************************************************|
+ | shared | shared | shared | shared & slave | invalid |
+ | | | | | |
+ |non-shared| shared | private | slave | invalid |
+ **************************************************************************
Details:
- 1. 'A' is a shared mount and 'B' is a shared mount. A new mount 'C'
+ 1. 'A' is a shared mount and 'B' is a shared mount. A new mount 'C'
which is clone of 'A', is created. Its root dentry is 'a' . 'C' is
mounted on mount 'B' at dentry 'b'. Also new mount 'C1', 'C2', 'C3' ...
are created and mounted at the dentry 'b' on all mounts where 'B'
@@ -371,7 +390,7 @@ replicas continue to be exactly same.
'B'. And finally the peer-group of 'C' is merged with the peer group
of 'A'.
- 2. 'A' is a private mount and 'B' is a shared mount. A new mount 'C'
+ 2. 'A' is a private mount and 'B' is a shared mount. A new mount 'C'
which is clone of 'A', is created. Its root dentry is 'a'. 'C' is
mounted on mount 'B' at dentry 'b'. Also new mount 'C1', 'C2', 'C3' ...
are created and mounted at the dentry 'b' on all mounts where 'B'
@@ -379,7 +398,7 @@ replicas continue to be exactly same.
'C', 'C1', .., 'Cn' with exactly the same configuration as the
propagation tree for 'B'.
- 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. A new
+ 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. A new
mount 'C' which is clone of 'A', is created. Its root dentry is 'a' .
'C' is mounted on mount 'B' at dentry 'b'. Also new mounts 'C1', 'C2',
'C3' ... are created and mounted at the dentry 'b' on all mounts where
@@ -389,19 +408,19 @@ replicas continue to be exactly same.
is made the slave of mount 'Z'. In other words, mount 'C' is in the
state 'slave and shared'.
- 4. 'A' is a unbindable mount and 'B' is a shared mount. This is a
+ 4. 'A' is a unbindable mount and 'B' is a shared mount. This is a
invalid operation.
- 5. 'A' is a private mount and 'B' is a non-shared(private or slave or
+ 5. 'A' is a private mount and 'B' is a non-shared(private or slave or
unbindable) mount. A new mount 'C' which is clone of 'A', is created.
Its root dentry is 'a'. 'C' is mounted on mount 'B' at dentry 'b'.
- 6. 'A' is a shared mount and 'B' is a non-shared mount. A new mount 'C'
+ 6. 'A' is a shared mount and 'B' is a non-shared mount. A new mount 'C'
which is a clone of 'A' is created. Its root dentry is 'a'. 'C' is
mounted on mount 'B' at dentry 'b'. 'C' is made a member of the
peer-group of 'A'.
- 7. 'A' is a slave mount of mount 'Z' and 'B' is a non-shared mount. A
+ 7. 'A' is a slave mount of mount 'Z' and 'B' is a non-shared mount. A
new mount 'C' which is a clone of 'A' is created. Its root dentry is
'a'. 'C' is mounted on mount 'B' at dentry 'b'. Also 'C' is set as a
slave mount of 'Z'. In other words 'A' and 'C' are both slave mounts of
@@ -409,7 +428,7 @@ replicas continue to be exactly same.
mount/unmount on 'A' do not propagate anywhere else. Similarly
mount/unmount on 'C' do not propagate anywhere else.
- 8. 'A' is a unbindable mount and 'B' is a non-shared mount. This is a
+ 8. 'A' is a unbindable mount and 'B' is a non-shared mount. This is a
invalid operation. A unbindable mount cannot be bind mounted.
5c) Rbind semantics
@@ -422,7 +441,9 @@ replicas continue to be exactly same.
then the subtree under the unbindable mount is pruned in the new
location.
- eg: let's say we have the following mount tree.
+ eg:
+
+ let's say we have the following mount tree::
A
/ \
@@ -430,12 +451,12 @@ replicas continue to be exactly same.
/ \ / \
D E F G
- Let's say all the mount except the mount C in the tree are
- of a type other than unbindable.
+ Let's say all the mount except the mount C in the tree are
+ of a type other than unbindable.
- If this tree is rbound to say Z
+ If this tree is rbound to say Z
- We will have the following tree at the new location.
+ We will have the following tree at the new location::
Z
|
@@ -457,24 +478,26 @@ replicas continue to be exactly same.
the dentry in the destination mount.
The outcome depends on the type of the mount of 'A' and 'B'. The table
- below is a quick reference.
- ---------------------------------------------------------------------------
- | MOVE MOUNT OPERATION |
- |**************************************************************************
- | source(A)->| shared | private | slave | unbindable |
- | dest(B) | | | | |
- | | | | | | |
- | v | | | | |
- |**************************************************************************
- | shared | shared | shared |shared and slave| invalid |
- | | | | | |
- |non-shared| shared | private | slave | unbindable |
- ***************************************************************************
- NOTE: moving a mount residing under a shared mount is invalid.
+ below is a quick reference::
+
+ ---------------------------------------------------------------------------
+ | MOVE MOUNT OPERATION |
+ |**************************************************************************
+ | source(A)->| shared | private | slave | unbindable |
+ | dest(B) | | | | |
+ | | | | | | |
+ | v | | | | |
+ |**************************************************************************
+ | shared | shared | shared |shared and slave| invalid |
+ | | | | | |
+ |non-shared| shared | private | slave | unbindable |
+ ***************************************************************************
+
+ .. Note:: moving a mount residing under a shared mount is invalid.
Details follow:
- 1. 'A' is a shared mount and 'B' is a shared mount. The mount 'A' is
+ 1. 'A' is a shared mount and 'B' is a shared mount. The mount 'A' is
mounted on mount 'B' at dentry 'b'. Also new mounts 'A1', 'A2'...'An'
are created and mounted at dentry 'b' on all mounts that receive
propagation from mount 'B'. A new propagation tree is created in the
@@ -483,7 +506,7 @@ replicas continue to be exactly same.
propagation tree is appended to the already existing propagation tree
of 'A'.
- 2. 'A' is a private mount and 'B' is a shared mount. The mount 'A' is
+ 2. 'A' is a private mount and 'B' is a shared mount. The mount 'A' is
mounted on mount 'B' at dentry 'b'. Also new mount 'A1', 'A2'... 'An'
are created and mounted at dentry 'b' on all mounts that receive
propagation from mount 'B'. The mount 'A' becomes a shared mount and a
@@ -491,7 +514,7 @@ replicas continue to be exactly same.
'B'. This new propagation tree contains all the new mounts 'A1',
'A2'... 'An'.
- 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. The
+ 3. 'A' is a slave mount of mount 'Z' and 'B' is a shared mount. The
mount 'A' is mounted on mount 'B' at dentry 'b'. Also new mounts 'A1',
'A2'... 'An' are created and mounted at dentry 'b' on all mounts that
receive propagation from mount 'B'. A new propagation tree is created
@@ -501,32 +524,32 @@ replicas continue to be exactly same.
'A'. Mount 'A' continues to be the slave mount of 'Z' but it also
becomes 'shared'.
- 4. 'A' is a unbindable mount and 'B' is a shared mount. The operation
+ 4. 'A' is a unbindable mount and 'B' is a shared mount. The operation
is invalid. Because mounting anything on the shared mount 'B' can
create new mounts that get mounted on the mounts that receive
propagation from 'B'. And since the mount 'A' is unbindable, cloning
it to mount at other mountpoints is not possible.
- 5. 'A' is a private mount and 'B' is a non-shared(private or slave or
+ 5. 'A' is a private mount and 'B' is a non-shared(private or slave or
unbindable) mount. The mount 'A' is mounted on mount 'B' at dentry 'b'.
- 6. 'A' is a shared mount and 'B' is a non-shared mount. The mount 'A'
+ 6. 'A' is a shared mount and 'B' is a non-shared mount. The mount 'A'
is mounted on mount 'B' at dentry 'b'. Mount 'A' continues to be a
shared mount.
- 7. 'A' is a slave mount of mount 'Z' and 'B' is a non-shared mount.
+ 7. 'A' is a slave mount of mount 'Z' and 'B' is a non-shared mount.
The mount 'A' is mounted on mount 'B' at dentry 'b'. Mount 'A'
continues to be a slave mount of mount 'Z'.
- 8. 'A' is a unbindable mount and 'B' is a non-shared mount. The mount
+ 8. 'A' is a unbindable mount and 'B' is a non-shared mount. The mount
'A' is mounted on mount 'B' at dentry 'b'. Mount 'A' continues to be a
unbindable mount.
5e) Mount semantics
- Consider the following command
+ Consider the following command::
- mount device B/b
+ mount device B/b
'B' is the destination mount and 'b' is the dentry in the destination
mount.
@@ -537,9 +560,9 @@ replicas continue to be exactly same.
5f) Unmount semantics
- Consider the following command
+ Consider the following command::
- umount A
+ umount A
where 'A' is a mount mounted on mount 'B' at dentry 'b'.
@@ -592,10 +615,12 @@ replicas continue to be exactly same.
A. What is the result of the following command sequence?
- mount --bind /mnt /mnt
- mount --make-shared /mnt
- mount --bind /mnt /tmp
- mount --move /tmp /mnt/1
+ ::
+
+ mount --bind /mnt /mnt
+ mount --make-shared /mnt
+ mount --bind /mnt /tmp
+ mount --move /tmp /mnt/1
what should be the contents of /mnt /mnt/1 /mnt/1/1 should be?
Should they all be identical? or should /mnt and /mnt/1 be
@@ -604,23 +629,27 @@ replicas continue to be exactly same.
B. What is the result of the following command sequence?
- mount --make-rshared /
- mkdir -p /v/1
- mount --rbind / /v/1
+ ::
+
+ mount --make-rshared /
+ mkdir -p /v/1
+ mount --rbind / /v/1
what should be the content of /v/1/v/1 be?
C. What is the result of the following command sequence?
- mount --bind /mnt /mnt
- mount --make-shared /mnt
- mkdir -p /mnt/1/2/3 /mnt/1/test
- mount --bind /mnt/1 /tmp
- mount --make-slave /mnt
- mount --make-shared /mnt
- mount --bind /mnt/1/2 /tmp1
- mount --make-slave /mnt
+ ::
+
+ mount --bind /mnt /mnt
+ mount --make-shared /mnt
+ mkdir -p /mnt/1/2/3 /mnt/1/test
+ mount --bind /mnt/1 /tmp
+ mount --make-slave /mnt
+ mount --make-shared /mnt
+ mount --bind /mnt/1/2 /tmp1
+ mount --make-slave /mnt
At this point we have the first mount at /tmp and
its root dentry is 1. Let's call this mount 'A'
@@ -668,7 +697,8 @@ replicas continue to be exactly same.
step 1:
let's say the root tree has just two directories with
- one vfsmount.
+ one vfsmount::
+
root
/ \
tmp usr
@@ -676,14 +706,17 @@ replicas continue to be exactly same.
And we want to replicate the tree at multiple
mountpoints under /root/tmp
- step2:
- mount --make-shared /root
+ step 2:
+ ::
- mkdir -p /tmp/m1
- mount --rbind /root /tmp/m1
+ mount --make-shared /root
- the new tree now looks like this:
+ mkdir -p /tmp/m1
+
+ mount --rbind /root /tmp/m1
+
+ the new tree now looks like this::
root
/ \
@@ -697,11 +730,13 @@ replicas continue to be exactly same.
it has two vfsmounts
- step3:
+ step 3:
+ ::
+
mkdir -p /tmp/m2
mount --rbind /root /tmp/m2
- the new tree now looks like this:
+ the new tree now looks like this::
root
/ \
@@ -724,6 +759,7 @@ replicas continue to be exactly same.
it has 6 vfsmounts
step 4:
+ ::
mkdir -p /tmp/m3
mount --rbind /root /tmp/m3
@@ -740,7 +776,8 @@ replicas continue to be exactly same.
step 1:
let's say the root tree has just two directories with
- one vfsmount.
+ one vfsmount::
+
root
/ \
tmp usr
@@ -748,17 +785,20 @@ replicas continue to be exactly same.
How do we set up the same tree at multiple locations under
/root/tmp
- step2:
- mount --bind /root/tmp /root/tmp
+ step 2:
+ ::
- mount --make-rshared /root
- mount --make-unbindable /root/tmp
- mkdir -p /tmp/m1
+ mount --bind /root/tmp /root/tmp
- mount --rbind /root /tmp/m1
+ mount --make-rshared /root
+ mount --make-unbindable /root/tmp
- the new tree now looks like this:
+ mkdir -p /tmp/m1
+
+ mount --rbind /root /tmp/m1
+
+ the new tree now looks like this::
root
/ \
@@ -768,11 +808,13 @@ replicas continue to be exactly same.
/ \
tmp usr
- step3:
+ step 3:
+ ::
+
mkdir -p /tmp/m2
mount --rbind /root /tmp/m2
- the new tree now looks like this:
+ the new tree now looks like this::
root
/ \
@@ -782,12 +824,13 @@ replicas continue to be exactly same.
/ \ / \
tmp usr tmp usr
- step4:
+ step 4:
+ ::
mkdir -p /tmp/m3
mount --rbind /root /tmp/m3
- the new tree now looks like this:
+ the new tree now looks like this::
root
/ \
@@ -801,25 +844,31 @@ replicas continue to be exactly same.
8A) Datastructure
- 4 new fields are introduced to struct vfsmount
- ->mnt_share
- ->mnt_slave_list
- ->mnt_slave
- ->mnt_master
+ 4 new fields are introduced to struct vfsmount:
+
+ * ->mnt_share
+ * ->mnt_slave_list
+ * ->mnt_slave
+ * ->mnt_master
- ->mnt_share links together all the mount to/from which this vfsmount
+ ->mnt_share
+ links together all the mount to/from which this vfsmount
send/receives propagation events.
- ->mnt_slave_list links all the mounts to which this vfsmount propagates
+ ->mnt_slave_list
+ links all the mounts to which this vfsmount propagates
to.
- ->mnt_slave links together all the slaves that its master vfsmount
+ ->mnt_slave
+ links together all the slaves that its master vfsmount
propagates to.
- ->mnt_master points to the master vfsmount from which this vfsmount
+ ->mnt_master
+ points to the master vfsmount from which this vfsmount
receives propagation.
- ->mnt_flags takes two more flags to indicate the propagation status of
+ ->mnt_flags
+ takes two more flags to indicate the propagation status of
the vfsmount. MNT_SHARE indicates that the vfsmount is a shared
vfsmount. MNT_UNCLONABLE indicates that the vfsmount cannot be
replicated.
@@ -842,7 +891,7 @@ replicas continue to be exactly same.
A example propagation tree looks as shown in the figure below.
[ NOTE: Though it looks like a forest, if we consider all the shared
- mounts as a conceptual entity called 'pnode', it becomes a tree]
+ mounts as a conceptual entity called 'pnode', it becomes a tree]::
A <--> B <--> C <---> D
@@ -864,14 +913,19 @@ replicas continue to be exactly same.
A's ->mnt_slave_list links with ->mnt_slave of 'E', 'K', 'F' and 'G'
E's ->mnt_share links with ->mnt_share of K
- 'E', 'K', 'F', 'G' have their ->mnt_master point to struct
- vfsmount of 'A'
+
+ 'E', 'K', 'F', 'G' have their ->mnt_master point to struct vfsmount of 'A'
+
'M', 'L', 'N' have their ->mnt_master point to struct vfsmount of 'K'
+
K's ->mnt_slave_list links with ->mnt_slave of 'M', 'L' and 'N'
C's ->mnt_slave_list links with ->mnt_slave of 'J' and 'K'
+
J and K's ->mnt_master points to struct vfsmount of C
+
and finally D's ->mnt_slave_list links with ->mnt_slave of 'H' and 'I'
+
'H' and 'I' have their ->mnt_master pointing to struct vfsmount of 'D'.
@@ -903,6 +957,7 @@ replicas continue to be exactly same.
Prepare phase:
for each mount in the source tree:
+
a) Create the necessary number of mount trees to
be attached to each of the mounts that receive
propagation from the destination mount.
@@ -929,11 +984,12 @@ replicas continue to be exactly same.
Abort phase
delete all the newly created trees.
- NOTE: all the propagation related functionality resides in the file
- pnode.c
+ .. Note::
+ all the propagation related functionality resides in the file pnode.c
------------------------------------------------------------------------
version 0.1 (created the initial document, Ram Pai linuxram@us.ibm.com)
+
version 0.2 (Incorporated comments from Al Viro)
diff --git a/Documentation/filesystems/spufs/index.rst b/Documentation/filesystems/spufs/index.rst
new file mode 100644
index 000000000000..5ed4a8494967
--- /dev/null
+++ b/Documentation/filesystems/spufs/index.rst
@@ -0,0 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+SPU Filesystem
+==============
+
+
+.. toctree::
+ :maxdepth: 1
+
+ spufs
+ spu_create
+ spu_run
diff --git a/Documentation/filesystems/spufs/spu_create.rst b/Documentation/filesystems/spufs/spu_create.rst
new file mode 100644
index 000000000000..83108c099696
--- /dev/null
+++ b/Documentation/filesystems/spufs/spu_create.rst
@@ -0,0 +1,131 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========
+spu_create
+==========
+
+Name
+====
+ spu_create - create a new spu context
+
+
+Synopsis
+========
+
+ ::
+
+ #include <sys/types.h>
+ #include <sys/spu.h>
+
+ int spu_create(const char *pathname, int flags, mode_t mode);
+
+Description
+===========
+ The spu_create system call is used on PowerPC machines that implement
+ the Cell Broadband Engine Architecture in order to access Synergistic
+ Processor Units (SPUs). It creates a new logical context for an SPU in
+ pathname and returns a handle to associated with it. pathname must
+ point to a non-existing directory in the mount point of the SPU file
+ system (spufs). When spu_create is successful, a directory gets cre-
+ ated on pathname and it is populated with files.
+
+ The returned file handle can only be passed to spu_run(2) or closed,
+ other operations are not defined on it. When it is closed, all associ-
+ ated directory entries in spufs are removed. When the last file handle
+ pointing either inside of the context directory or to this file
+ descriptor is closed, the logical SPU context is destroyed.
+
+ The parameter flags can be zero or any bitwise or'd combination of the
+ following constants:
+
+ SPU_RAWIO
+ Allow mapping of some of the hardware registers of the SPU into
+ user space. This flag requires the CAP_SYS_RAWIO capability, see
+ capabilities(7).
+
+ The mode parameter specifies the permissions used for creating the new
+ directory in spufs. mode is modified with the user's umask(2) value
+ and then used for both the directory and the files contained in it. The
+ file permissions mask out some more bits of mode because they typically
+ support only read or write access. See stat(2) for a full list of the
+ possible mode values.
+
+
+Return Value
+============
+ spu_create returns a new file descriptor. It may return -1 to indicate
+ an error condition and set errno to one of the error codes listed
+ below.
+
+
+Errors
+======
+ EACCES
+ The current user does not have write access on the spufs mount
+ point.
+
+ EEXIST An SPU context already exists at the given path name.
+
+ EFAULT pathname is not a valid string pointer in the current address
+ space.
+
+ EINVAL pathname is not a directory in the spufs mount point.
+
+ ELOOP Too many symlinks were found while resolving pathname.
+
+ EMFILE The process has reached its maximum open file limit.
+
+ ENAMETOOLONG
+ pathname was too long.
+
+ ENFILE The system has reached the global open file limit.
+
+ ENOENT Part of pathname could not be resolved.
+
+ ENOMEM The kernel could not allocate all resources required.
+
+ ENOSPC There are not enough SPU resources available to create a new
+ context or the user specific limit for the number of SPU con-
+ texts has been reached.
+
+ ENOSYS the functionality is not provided by the current system, because
+ either the hardware does not provide SPUs or the spufs module is
+ not loaded.
+
+ ENOTDIR
+ A part of pathname is not a directory.
+
+
+
+Notes
+=====
+ spu_create is meant to be used from libraries that implement a more
+ abstract interface to SPUs, not to be used from regular applications.
+ See http://www.bsc.es/projects/deepcomputing/linuxoncell/ for the rec-
+ ommended libraries.
+
+
+Files
+=====
+ pathname must point to a location beneath the mount point of spufs. By
+ convention, it gets mounted in /spu.
+
+
+Conforming to
+=============
+ This call is Linux specific and only implemented by the ppc64 architec-
+ ture. Programs using this system call are not portable.
+
+
+Bugs
+====
+ The code does not yet fully implement all features lined out here.
+
+
+Author
+======
+ Arnd Bergmann <arndb@de.ibm.com>
+
+See Also
+========
+ capabilities(7), close(2), spu_run(2), spufs(7)
diff --git a/Documentation/filesystems/spufs/spu_run.rst b/Documentation/filesystems/spufs/spu_run.rst
new file mode 100644
index 000000000000..7fdb1c31cb91
--- /dev/null
+++ b/Documentation/filesystems/spufs/spu_run.rst
@@ -0,0 +1,138 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======
+spu_run
+=======
+
+
+Name
+====
+ spu_run - execute an spu context
+
+
+Synopsis
+========
+
+ ::
+
+ #include <sys/spu.h>
+
+ int spu_run(int fd, unsigned int *npc, unsigned int *event);
+
+Description
+===========
+ The spu_run system call is used on PowerPC machines that implement the
+ Cell Broadband Engine Architecture in order to access Synergistic Pro-
+ cessor Units (SPUs). It uses the fd that was returned from spu_cre-
+ ate(2) to address a specific SPU context. When the context gets sched-
+ uled to a physical SPU, it starts execution at the instruction pointer
+ passed in npc.
+
+ Execution of SPU code happens synchronously, meaning that spu_run does
+ not return while the SPU is still running. If there is a need to exe-
+ cute SPU code in parallel with other code on either the main CPU or
+ other SPUs, you need to create a new thread of execution first, e.g.
+ using the pthread_create(3) call.
+
+ When spu_run returns, the current value of the SPU instruction pointer
+ is written back to npc, so you can call spu_run again without updating
+ the pointers.
+
+ event can be a NULL pointer or point to an extended status code that
+ gets filled when spu_run returns. It can be one of the following con-
+ stants:
+
+ SPE_EVENT_DMA_ALIGNMENT
+ A DMA alignment error
+
+ SPE_EVENT_SPE_DATA_SEGMENT
+ A DMA segmentation error
+
+ SPE_EVENT_SPE_DATA_STORAGE
+ A DMA storage error
+
+ If NULL is passed as the event argument, these errors will result in a
+ signal delivered to the calling process.
+
+Return Value
+============
+ spu_run returns the value of the spu_status register or -1 to indicate
+ an error and set errno to one of the error codes listed below. The
+ spu_status register value contains a bit mask of status codes and
+ optionally a 14 bit code returned from the stop-and-signal instruction
+ on the SPU. The bit masks for the status codes are:
+
+ 0x02
+ SPU was stopped by stop-and-signal.
+
+ 0x04
+ SPU was stopped by halt.
+
+ 0x08
+ SPU is waiting for a channel.
+
+ 0x10
+ SPU is in single-step mode.
+
+ 0x20
+ SPU has tried to execute an invalid instruction.
+
+ 0x40
+ SPU has tried to access an invalid channel.
+
+ 0x3fff0000
+ The bits masked with this value contain the code returned from
+ stop-and-signal.
+
+ There are always one or more of the lower eight bits set or an error
+ code is returned from spu_run.
+
+Errors
+======
+ EAGAIN or EWOULDBLOCK
+ fd is in non-blocking mode and spu_run would block.
+
+ EBADF fd is not a valid file descriptor.
+
+ EFAULT npc is not a valid pointer or status is neither NULL nor a valid
+ pointer.
+
+ EINTR A signal occurred while spu_run was in progress. The npc value
+ has been updated to the new program counter value if necessary.
+
+ EINVAL fd is not a file descriptor returned from spu_create(2).
+
+ ENOMEM Insufficient memory was available to handle a page fault result-
+ ing from an MFC direct memory access.
+
+ ENOSYS the functionality is not provided by the current system, because
+ either the hardware does not provide SPUs or the spufs module is
+ not loaded.
+
+
+Notes
+=====
+ spu_run is meant to be used from libraries that implement a more
+ abstract interface to SPUs, not to be used from regular applications.
+ See http://www.bsc.es/projects/deepcomputing/linuxoncell/ for the rec-
+ ommended libraries.
+
+
+Conforming to
+=============
+ This call is Linux specific and only implemented by the ppc64 architec-
+ ture. Programs using this system call are not portable.
+
+
+Bugs
+====
+ The code does not yet fully implement all features lined out here.
+
+
+Author
+======
+ Arnd Bergmann <arndb@de.ibm.com>
+
+See Also
+========
+ capabilities(7), close(2), spu_create(2), spufs(7)
diff --git a/Documentation/filesystems/spufs.txt b/Documentation/filesystems/spufs/spufs.rst
index eb9e3aa63026..8a42859bb100 100644
--- a/Documentation/filesystems/spufs.txt
+++ b/Documentation/filesystems/spufs/spufs.rst
@@ -1,12 +1,18 @@
-SPUFS(2) Linux Programmer's Manual SPUFS(2)
+.. SPDX-License-Identifier: GPL-2.0
+=====
+spufs
+=====
+Name
+====
-NAME
spufs - the SPU file system
-DESCRIPTION
+Description
+===========
+
The SPU file system is used on PowerPC machines that implement the Cell
Broadband Engine Architecture in order to access Synergistic Processor
Units (SPUs).
@@ -21,7 +27,9 @@ DESCRIPTION
ally add or remove files.
-MOUNT OPTIONS
+Mount Options
+=============
+
uid=<uid>
set the user owning the mount point, the default is 0 (root).
@@ -29,7 +37,9 @@ MOUNT OPTIONS
set the group owning the mount point, the default is 0 (root).
-FILES
+Files
+=====
+
The files in spufs mostly follow the standard behavior for regular sys-
tem calls like read(2) or write(2), but often support only a subset of
the operations supported on regular file systems. This list details the
@@ -125,14 +135,12 @@ FILES
space is available for writing.
- /mbox_stat
- /ibox_stat
- /wbox_stat
+ /mbox_stat, /ibox_stat, /wbox_stat
Read-only files that contain the length of the current queue, i.e. how
many words can be read from mbox or ibox or how many words can be
written to wbox without blocking. The files can be read only in 4-byte
units and return a big-endian binary integer number. The possible
- operations on an open *box_stat file are:
+ operations on an open ``*box_stat`` file are:
read(2)
If a count smaller than four is requested, read returns -1 and
@@ -143,12 +151,7 @@ FILES
in EAGAIN.
- /npc
- /decr
- /decr_status
- /spu_tag_mask
- /event_mask
- /srr0
+ /npc, /decr, /decr_status, /spu_tag_mask, /event_mask, /srr0
Internal registers of the SPU. The representation is an ASCII string
with the numeric value of the next instruction to be executed. These
can be used in read/write mode for debugging, but normal operation of
@@ -157,17 +160,14 @@ FILES
The contents of these files are:
+ =================== ===================================
npc Next Program Counter
-
decr SPU Decrementer
-
decr_status Decrementer Status
-
spu_tag_mask MFC tag mask for SPU DMA
-
event_mask Event mask for SPU interrupts
-
srr0 Interrupt Return address register
+ =================== ===================================
The possible operations on an open npc, decr, decr_status,
@@ -206,8 +206,7 @@ FILES
from the data buffer, updating the value of the fpcr register.
- /signal1
- /signal2
+ /signal1, /signal2
The two signal notification channels of an SPU. These are read-write
files that operate on a 32 bit word. Writing to one of these files
triggers an interrupt on the SPU. The value written to the signal
@@ -233,8 +232,7 @@ FILES
file.
- /signal1_type
- /signal2_type
+ /signal1_type, /signal2_type
These two files change the behavior of the signal1 and signal2 notifi-
cation files. The contain a numerical ASCII string which is read as
either "1" or "0". In mode 0 (overwrite), the hardware replaces the
@@ -259,263 +257,17 @@ FILES
the previous setting.
-EXAMPLES
+Examples
+========
/etc/fstab entry
none /spu spufs gid=spu 0 0
-AUTHORS
+Authors
+=======
Arnd Bergmann <arndb@de.ibm.com>, Mark Nutter <mnutter@us.ibm.com>,
Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
-SEE ALSO
+See Also
+========
capabilities(7), close(2), spu_create(2), spu_run(2), spufs(7)
-
-
-
-Linux 2005-09-28 SPUFS(2)
-
-------------------------------------------------------------------------------
-
-SPU_RUN(2) Linux Programmer's Manual SPU_RUN(2)
-
-
-
-NAME
- spu_run - execute an spu context
-
-
-SYNOPSIS
- #include <sys/spu.h>
-
- int spu_run(int fd, unsigned int *npc, unsigned int *event);
-
-DESCRIPTION
- The spu_run system call is used on PowerPC machines that implement the
- Cell Broadband Engine Architecture in order to access Synergistic Pro-
- cessor Units (SPUs). It uses the fd that was returned from spu_cre-
- ate(2) to address a specific SPU context. When the context gets sched-
- uled to a physical SPU, it starts execution at the instruction pointer
- passed in npc.
-
- Execution of SPU code happens synchronously, meaning that spu_run does
- not return while the SPU is still running. If there is a need to exe-
- cute SPU code in parallel with other code on either the main CPU or
- other SPUs, you need to create a new thread of execution first, e.g.
- using the pthread_create(3) call.
-
- When spu_run returns, the current value of the SPU instruction pointer
- is written back to npc, so you can call spu_run again without updating
- the pointers.
-
- event can be a NULL pointer or point to an extended status code that
- gets filled when spu_run returns. It can be one of the following con-
- stants:
-
- SPE_EVENT_DMA_ALIGNMENT
- A DMA alignment error
-
- SPE_EVENT_SPE_DATA_SEGMENT
- A DMA segmentation error
-
- SPE_EVENT_SPE_DATA_STORAGE
- A DMA storage error
-
- If NULL is passed as the event argument, these errors will result in a
- signal delivered to the calling process.
-
-RETURN VALUE
- spu_run returns the value of the spu_status register or -1 to indicate
- an error and set errno to one of the error codes listed below. The
- spu_status register value contains a bit mask of status codes and
- optionally a 14 bit code returned from the stop-and-signal instruction
- on the SPU. The bit masks for the status codes are:
-
- 0x02 SPU was stopped by stop-and-signal.
-
- 0x04 SPU was stopped by halt.
-
- 0x08 SPU is waiting for a channel.
-
- 0x10 SPU is in single-step mode.
-
- 0x20 SPU has tried to execute an invalid instruction.
-
- 0x40 SPU has tried to access an invalid channel.
-
- 0x3fff0000
- The bits masked with this value contain the code returned from
- stop-and-signal.
-
- There are always one or more of the lower eight bits set or an error
- code is returned from spu_run.
-
-ERRORS
- EAGAIN or EWOULDBLOCK
- fd is in non-blocking mode and spu_run would block.
-
- EBADF fd is not a valid file descriptor.
-
- EFAULT npc is not a valid pointer or status is neither NULL nor a valid
- pointer.
-
- EINTR A signal occurred while spu_run was in progress. The npc value
- has been updated to the new program counter value if necessary.
-
- EINVAL fd is not a file descriptor returned from spu_create(2).
-
- ENOMEM Insufficient memory was available to handle a page fault result-
- ing from an MFC direct memory access.
-
- ENOSYS the functionality is not provided by the current system, because
- either the hardware does not provide SPUs or the spufs module is
- not loaded.
-
-
-NOTES
- spu_run is meant to be used from libraries that implement a more
- abstract interface to SPUs, not to be used from regular applications.
- See http://www.bsc.es/projects/deepcomputing/linuxoncell/ for the rec-
- ommended libraries.
-
-
-CONFORMING TO
- This call is Linux specific and only implemented by the ppc64 architec-
- ture. Programs using this system call are not portable.
-
-
-BUGS
- The code does not yet fully implement all features lined out here.
-
-
-AUTHOR
- Arnd Bergmann <arndb@de.ibm.com>
-
-SEE ALSO
- capabilities(7), close(2), spu_create(2), spufs(7)
-
-
-
-Linux 2005-09-28 SPU_RUN(2)
-
-------------------------------------------------------------------------------
-
-SPU_CREATE(2) Linux Programmer's Manual SPU_CREATE(2)
-
-
-
-NAME
- spu_create - create a new spu context
-
-
-SYNOPSIS
- #include <sys/types.h>
- #include <sys/spu.h>
-
- int spu_create(const char *pathname, int flags, mode_t mode);
-
-DESCRIPTION
- The spu_create system call is used on PowerPC machines that implement
- the Cell Broadband Engine Architecture in order to access Synergistic
- Processor Units (SPUs). It creates a new logical context for an SPU in
- pathname and returns a handle to associated with it. pathname must
- point to a non-existing directory in the mount point of the SPU file
- system (spufs). When spu_create is successful, a directory gets cre-
- ated on pathname and it is populated with files.
-
- The returned file handle can only be passed to spu_run(2) or closed,
- other operations are not defined on it. When it is closed, all associ-
- ated directory entries in spufs are removed. When the last file handle
- pointing either inside of the context directory or to this file
- descriptor is closed, the logical SPU context is destroyed.
-
- The parameter flags can be zero or any bitwise or'd combination of the
- following constants:
-
- SPU_RAWIO
- Allow mapping of some of the hardware registers of the SPU into
- user space. This flag requires the CAP_SYS_RAWIO capability, see
- capabilities(7).
-
- The mode parameter specifies the permissions used for creating the new
- directory in spufs. mode is modified with the user's umask(2) value
- and then used for both the directory and the files contained in it. The
- file permissions mask out some more bits of mode because they typically
- support only read or write access. See stat(2) for a full list of the
- possible mode values.
-
-
-RETURN VALUE
- spu_create returns a new file descriptor. It may return -1 to indicate
- an error condition and set errno to one of the error codes listed
- below.
-
-
-ERRORS
- EACCES
- The current user does not have write access on the spufs mount
- point.
-
- EEXIST An SPU context already exists at the given path name.
-
- EFAULT pathname is not a valid string pointer in the current address
- space.
-
- EINVAL pathname is not a directory in the spufs mount point.
-
- ELOOP Too many symlinks were found while resolving pathname.
-
- EMFILE The process has reached its maximum open file limit.
-
- ENAMETOOLONG
- pathname was too long.
-
- ENFILE The system has reached the global open file limit.
-
- ENOENT Part of pathname could not be resolved.
-
- ENOMEM The kernel could not allocate all resources required.
-
- ENOSPC There are not enough SPU resources available to create a new
- context or the user specific limit for the number of SPU con-
- texts has been reached.
-
- ENOSYS the functionality is not provided by the current system, because
- either the hardware does not provide SPUs or the spufs module is
- not loaded.
-
- ENOTDIR
- A part of pathname is not a directory.
-
-
-
-NOTES
- spu_create is meant to be used from libraries that implement a more
- abstract interface to SPUs, not to be used from regular applications.
- See http://www.bsc.es/projects/deepcomputing/linuxoncell/ for the rec-
- ommended libraries.
-
-
-FILES
- pathname must point to a location beneath the mount point of spufs. By
- convention, it gets mounted in /spu.
-
-
-CONFORMING TO
- This call is Linux specific and only implemented by the ppc64 architec-
- ture. Programs using this system call are not portable.
-
-
-BUGS
- The code does not yet fully implement all features lined out here.
-
-
-AUTHOR
- Arnd Bergmann <arndb@de.ibm.com>
-
-SEE ALSO
- capabilities(7), close(2), spu_run(2), spufs(7)
-
-
-
-Linux 2005-09-28 SPU_CREATE(2)
diff --git a/Documentation/filesystems/sysfs-pci.txt b/Documentation/filesystems/sysfs-pci.rst
index 06f1d64c6f70..a265f3e2cc80 100644
--- a/Documentation/filesystems/sysfs-pci.txt
+++ b/Documentation/filesystems/sysfs-pci.rst
@@ -1,8 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================
Accessing PCI device resources through sysfs
---------------------------------------------
+============================================
sysfs, usually mounted at /sys, provides access to PCI resources on platforms
-that support it. For example, a given bus might look like this:
+that support it. For example, a given bus might look like this::
/sys/devices/pci0000:17
|-- 0000:17:00.0
@@ -30,8 +33,9 @@ This bus contains a single function device in slot 0. The domain and bus
numbers are reproduced for convenience. Under the device directory are several
files, each with their own function.
+ =================== =====================================================
file function
- ---- --------
+ =================== =====================================================
class PCI class (ascii, ro)
config PCI config space (binary, rw)
device PCI device (ascii, ro)
@@ -40,13 +44,16 @@ files, each with their own function.
local_cpus nearby CPU mask (cpumask, ro)
remove remove device from kernel's list (ascii, wo)
resource PCI resource host addresses (ascii, ro)
- resource0..N PCI resource N, if present (binary, mmap, rw[1])
+ resource0..N PCI resource N, if present (binary, mmap, rw\ [1]_)
resource0_wc..N_wc PCI WC map resource N, if prefetchable (binary, mmap)
revision PCI revision (ascii, ro)
rom PCI ROM resource, if present (binary, ro)
subsystem_device PCI subsystem device (ascii, ro)
subsystem_vendor PCI subsystem vendor (ascii, ro)
vendor PCI vendor (ascii, ro)
+ =================== =====================================================
+
+::
ro - read only file
rw - file is readable and writable
@@ -56,7 +63,7 @@ files, each with their own function.
binary - file contains binary data
cpumask - file contains a cpumask type
-[1] rw for RESOURCE_IO (I/O port) regions only
+.. [1] rw for RESOURCE_IO (I/O port) regions only
The read only files are informational, writes to them will be ignored, with
the exception of the 'rom' file. Writable files can be used to perform
@@ -67,11 +74,11 @@ don't support mmapping of certain resources, so be sure to check the return
value from any attempted mmap. The most notable of these are I/O port
resources, which also provide read/write access.
-The 'enable' file provides a counter that indicates how many times the device
+The 'enable' file provides a counter that indicates how many times the device
has been enabled. If the 'enable' file currently returns '4', and a '1' is
echoed into it, it will then return '5'. Echoing a '0' into it will decrease
the count. Even when it returns to 0, though, some of the initialisation
-may not be reversed.
+may not be reversed.
The 'rom' file is special in that it provides read-only access to the device's
ROM file, if available. It's disabled by default, however, so applications
@@ -93,7 +100,7 @@ Accessing legacy resources through sysfs
Legacy I/O port and ISA memory resources are also provided in sysfs if the
underlying platform supports them. They're located in the PCI class hierarchy,
-e.g.
+e.g.::
/sys/class/pci_bus/0000:17/
|-- bridge -> ../../../devices/pci0000:17
diff --git a/Documentation/filesystems/sysfs-tagging.txt b/Documentation/filesystems/sysfs-tagging.rst
index c7c8e6438958..8888a05c398e 100644
--- a/Documentation/filesystems/sysfs-tagging.txt
+++ b/Documentation/filesystems/sysfs-tagging.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============
Sysfs tagging
--------------
+=============
(Taken almost verbatim from Eric Biederman's netns tagging patch
commit msg)
@@ -18,25 +21,28 @@ in the directories and applications only see a limited set of
the network devices.
Each sysfs directory entry may be tagged with a namespace via the
-void *ns member of its kernfs_node. If a directory entry is tagged,
-then kernfs_node->flags will have a flag between KOBJ_NS_TYPE_NONE
+``void *ns member`` of its ``kernfs_node``. If a directory entry is tagged,
+then ``kernfs_node->flags`` will have a flag between KOBJ_NS_TYPE_NONE
and KOBJ_NS_TYPES, and ns will point to the namespace to which it
belongs.
-Each sysfs superblock's kernfs_super_info contains an array void
-*ns[KOBJ_NS_TYPES]. When a task in a tagging namespace
+Each sysfs superblock's kernfs_super_info contains an array
+``void *ns[KOBJ_NS_TYPES]``. When a task in a tagging namespace
kobj_nstype first mounts sysfs, a new superblock is created. It
will be differentiated from other sysfs mounts by having its
-s_fs_info->ns[kobj_nstype] set to the new namespace. Note that
+``s_fs_info->ns[kobj_nstype]`` set to the new namespace. Note that
through bind mounting and mounts propagation, a task can easily view
the contents of other namespaces' sysfs mounts. Therefore, when a
namespace exits, it will call kobj_ns_exit() to invalidate any
kernfs_node->ns pointers pointing to it.
Users of this interface:
-- define a type in the kobj_ns_type enumeration.
-- call kobj_ns_type_register() with its kobj_ns_type_operations which has
+
+- define a type in the ``kobj_ns_type`` enumeration.
+- call kobj_ns_type_register() with its ``kobj_ns_type_operations`` which has
+
- current_ns() which returns current's namespace
- netlink_ns() which returns a socket's namespace
- initial_ns() which returns the initial namesapce
+
- call kobj_ns_exit() when an individual tag is no longer valid
diff --git a/Documentation/filesystems/sysfs.rst b/Documentation/filesystems/sysfs.rst
index 290891c3fecb..ab0f7795792b 100644
--- a/Documentation/filesystems/sysfs.rst
+++ b/Documentation/filesystems/sysfs.rst
@@ -20,7 +20,7 @@ a means to export kernel data structures, their attributes, and the
linkages between them to userspace.
sysfs is tied inherently to the kobject infrastructure. Please read
-Documentation/kobject.txt for more information concerning the kobject
+Documentation/core-api/kobject.rst for more information concerning the kobject
interface.
diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst
index 7d4d09dd5e6d..ed17771c212b 100644
--- a/Documentation/filesystems/vfs.rst
+++ b/Documentation/filesystems/vfs.rst
@@ -706,6 +706,7 @@ cache in your filesystem. The following members are defined:
int (*readpage)(struct file *, struct page *);
int (*writepages)(struct address_space *, struct writeback_control *);
int (*set_page_dirty)(struct page *page);
+ void (*readahead)(struct readahead_control *);
int (*readpages)(struct file *filp, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages);
int (*write_begin)(struct file *, struct address_space *mapping,
@@ -781,12 +782,26 @@ cache in your filesystem. The following members are defined:
If defined, it should set the PageDirty flag, and the
PAGECACHE_TAG_DIRTY tag in the radix tree.
+``readahead``
+ Called by the VM to read pages associated with the address_space
+ object. The pages are consecutive in the page cache and are
+ locked. The implementation should decrement the page refcount
+ after starting I/O on each page. Usually the page will be
+ unlocked by the I/O completion handler. If the filesystem decides
+ to stop attempting I/O before reaching the end of the readahead
+ window, it can simply return. The caller will decrement the page
+ refcount and unlock the remaining pages for you. Set PageUptodate
+ if the I/O completes successfully. Setting PageError on any page
+ will be ignored; simply unlock the page if an I/O error occurs.
+
``readpages``
called by the VM to read pages associated with the address_space
object. This is essentially just a vector version of readpage.
Instead of just one page, several pages are requested.
readpages is only used for read-ahead, so read errors are
ignored. If anything goes wrong, feel free to give up.
+ This interface is deprecated and will be removed by the end of
+ 2020; implement readahead instead.
``write_begin``
Called by the generic buffered write code to ask the filesystem
diff --git a/Documentation/filesystems/xfs-delayed-logging-design.txt b/Documentation/filesystems/xfs-delayed-logging-design.rst
index 9a6dd289b17b..464405d2801e 100644
--- a/Documentation/filesystems/xfs-delayed-logging-design.txt
+++ b/Documentation/filesystems/xfs-delayed-logging-design.rst
@@ -1,8 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================
XFS Delayed Logging Design
---------------------------
+==========================
Introduction to Re-logging in XFS
----------------------------------
+=================================
XFS logging is a combination of logical and physical logging. Some objects,
such as inodes and dquots, are logged in logical format where the details
@@ -25,7 +28,7 @@ changes in the new transaction that is written to the log.
That is, if we have a sequence of changes A through to F, and the object was
written to disk after change D, we would see in the log the following series
of transactions, their contents and the log sequence number (LSN) of the
-transaction:
+transaction::
Transaction Contents LSN
A A X
@@ -85,7 +88,7 @@ IO permanently. Hence the XFS journalling subsystem can be considered to be IO
bound.
Delayed Logging: Concepts
--------------------------
+=========================
The key thing to note about the asynchronous logging combined with the
relogging technique XFS uses is that we can be relogging changed objects
@@ -154,9 +157,10 @@ The fundamental requirements for delayed logging in XFS are simple:
6. No performance regressions for synchronous transaction workloads.
Delayed Logging: Design
------------------------
+=======================
Storing Changes
+---------------
The problem with accumulating changes at a logical level (i.e. just using the
existing log item dirty region tracking) is that when it comes to writing the
@@ -194,30 +198,30 @@ asynchronous transactions to the log. The differences between the existing
formatting method and the delayed logging formatting can be seen in the
diagram below.
-Current format log vector:
+Current format log vector::
-Object +---------------------------------------------+
-Vector 1 +----+
-Vector 2 +----+
-Vector 3 +----------+
+ Object +---------------------------------------------+
+ Vector 1 +----+
+ Vector 2 +----+
+ Vector 3 +----------+
-After formatting:
+After formatting::
-Log Buffer +-V1-+-V2-+----V3----+
+ Log Buffer +-V1-+-V2-+----V3----+
-Delayed logging vector:
+Delayed logging vector::
-Object +---------------------------------------------+
-Vector 1 +----+
-Vector 2 +----+
-Vector 3 +----------+
+ Object +---------------------------------------------+
+ Vector 1 +----+
+ Vector 2 +----+
+ Vector 3 +----------+
-After formatting:
+After formatting::
-Memory Buffer +-V1-+-V2-+----V3----+
-Vector 1 +----+
-Vector 2 +----+
-Vector 3 +----------+
+ Memory Buffer +-V1-+-V2-+----V3----+
+ Vector 1 +----+
+ Vector 2 +----+
+ Vector 3 +----------+
The memory buffer and associated vector need to be passed as a single object,
but still need to be associated with the parent object so if the object is
@@ -242,6 +246,7 @@ relogged in memory.
Tracking Changes
+----------------
Now that we can record transactional changes in memory in a form that allows
them to be used without limitations, we need to be able to track and accumulate
@@ -278,6 +283,7 @@ done for convenience/sanity of the developers.
Delayed Logging: Checkpoints
+----------------------------
When we have a log synchronisation event, commonly known as a "log force",
all the items in the CIL must be written into the log via the log buffers.
@@ -341,7 +347,7 @@ Hence log vectors need to be able to be chained together to allow them to be
detached from the log items. That is, when the CIL is flushed the memory
buffer and log vector attached to each log item needs to be attached to the
checkpoint context so that the log item can be released. In diagrammatic form,
-the CIL would look like this before the flush:
+the CIL would look like this before the flush::
CIL Head
|
@@ -362,7 +368,7 @@ the CIL would look like this before the flush:
-> vector array
And after the flush the CIL head is empty, and the checkpoint context log
-vector list would look like:
+vector list would look like::
Checkpoint Context
|
@@ -411,6 +417,7 @@ compare" situation that can be done after a working and reviewed implementation
is in the dev tree....
Delayed Logging: Checkpoint Sequencing
+--------------------------------------
One of the key aspects of the XFS transaction subsystem is that it tags
committed transactions with the log sequence number of the transaction commit.
@@ -474,6 +481,7 @@ force the log at the LSN of that transaction) and so the higher level code
behaves the same regardless of whether delayed logging is being used or not.
Delayed Logging: Checkpoint Log Space Accounting
+------------------------------------------------
The big issue for a checkpoint transaction is the log space reservation for the
transaction. We don't know how big a checkpoint transaction is going to be
@@ -491,7 +499,7 @@ the size of the transaction and the number of regions being logged (the number
of log vectors in the transaction).
An example of the differences would be logging directory changes versus logging
-inode changes. If you modify lots of inode cores (e.g. chmod -R g+w *), then
+inode changes. If you modify lots of inode cores (e.g. ``chmod -R g+w *``), then
there are lots of transactions that only contain an inode core and an inode log
format structure. That is, two vectors totaling roughly 150 bytes. If we modify
10,000 inodes, we have about 1.5MB of metadata to write in 20,000 vectors. Each
@@ -565,6 +573,7 @@ which is once every 30s.
Delayed Logging: Log Item Pinning
+---------------------------------
Currently log items are pinned during transaction commit while the items are
still locked. This happens just after the items are formatted, though it could
@@ -605,6 +614,7 @@ object, we have a race with CIL being flushed between the check and the pin
lock to guarantee that we pin the items correctly.
Delayed Logging: Concurrent Scalability
+---------------------------------------
A fundamental requirement for the CIL is that accesses through transaction
commits must scale to many concurrent commits. The current transaction commit
@@ -683,8 +693,9 @@ woken by the wrong event.
Lifecycle Changes
+-----------------
-The existing log item life cycle is as follows:
+The existing log item life cycle is as follows::
1. Transaction allocate
2. Transaction reserve
@@ -729,7 +740,7 @@ at the same time. If the log item is in the AIL or between steps 6 and 7
and steps 1-6 are re-entered, then the item is relogged. Only when steps 8-9
are entered and completed is the object considered clean.
-With delayed logging, there are new steps inserted into the life cycle:
+With delayed logging, there are new steps inserted into the life cycle::
1. Transaction allocate
2. Transaction reserve
diff --git a/Documentation/filesystems/xfs-self-describing-metadata.txt b/Documentation/filesystems/xfs-self-describing-metadata.rst
index 8db0121d0980..b79dbf36dc94 100644
--- a/Documentation/filesystems/xfs-self-describing-metadata.txt
+++ b/Documentation/filesystems/xfs-self-describing-metadata.rst
@@ -1,8 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================
XFS Self Describing Metadata
-----------------------------
+============================
Introduction
-------------
+============
The largest scalability problem facing XFS is not one of algorithmic
scalability, but of verification of the filesystem structure. Scalabilty of the
@@ -34,7 +37,7 @@ required for basic forensic analysis of the filesystem structure.
Self Describing Metadata
-------------------------
+========================
One of the problems with the current metadata format is that apart from the
magic number in the metadata block, we have no other way of identifying what it
@@ -142,7 +145,7 @@ modification occurred between the corruption being written and when it was
detected.
Runtime Validation
-------------------
+==================
Validation of self-describing metadata takes place at runtime in two places:
@@ -183,18 +186,18 @@ error occurs during this process, the buffer is again marked with a EFSCORRUPTED
error for the higher layers to catch.
Structures
-----------
+==========
-A typical on-disk structure needs to contain the following information:
+A typical on-disk structure needs to contain the following information::
-struct xfs_ondisk_hdr {
- __be32 magic; /* magic number */
- __be32 crc; /* CRC, not logged */
- uuid_t uuid; /* filesystem identifier */
- __be64 owner; /* parent object */
- __be64 blkno; /* location on disk */
- __be64 lsn; /* last modification in log, not logged */
-};
+ struct xfs_ondisk_hdr {
+ __be32 magic; /* magic number */
+ __be32 crc; /* CRC, not logged */
+ uuid_t uuid; /* filesystem identifier */
+ __be64 owner; /* parent object */
+ __be64 blkno; /* location on disk */
+ __be64 lsn; /* last modification in log, not logged */
+ };
Depending on the metadata, this information may be part of a header structure
separate to the metadata contents, or may be distributed through an existing
@@ -214,24 +217,24 @@ level of information is generally provided. For example:
well. hence the additional metadata headers change the overall format
of the metadata.
-A typical buffer read verifier is structured as follows:
+A typical buffer read verifier is structured as follows::
-#define XFS_FOO_CRC_OFF offsetof(struct xfs_ondisk_hdr, crc)
+ #define XFS_FOO_CRC_OFF offsetof(struct xfs_ondisk_hdr, crc)
-static void
-xfs_foo_read_verify(
- struct xfs_buf *bp)
-{
- struct xfs_mount *mp = bp->b_mount;
+ static void
+ xfs_foo_read_verify(
+ struct xfs_buf *bp)
+ {
+ struct xfs_mount *mp = bp->b_mount;
- if ((xfs_sb_version_hascrc(&mp->m_sb) &&
- !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
- XFS_FOO_CRC_OFF)) ||
- !xfs_foo_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
- }
-}
+ if ((xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
+ XFS_FOO_CRC_OFF)) ||
+ !xfs_foo_verify(bp)) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ }
+ }
The code ensures that the CRC is only checked if the filesystem has CRCs enabled
by checking the superblock of the feature bit, and then if the CRC verifies OK
@@ -239,83 +242,83 @@ by checking the superblock of the feature bit, and then if the CRC verifies OK
The verifier function will take a couple of different forms, depending on
whether the magic number can be used to determine the format of the block. In
-the case it can't, the code is structured as follows:
+the case it can't, the code is structured as follows::
-static bool
-xfs_foo_verify(
- struct xfs_buf *bp)
-{
- struct xfs_mount *mp = bp->b_mount;
- struct xfs_ondisk_hdr *hdr = bp->b_addr;
+ static bool
+ xfs_foo_verify(
+ struct xfs_buf *bp)
+ {
+ struct xfs_mount *mp = bp->b_mount;
+ struct xfs_ondisk_hdr *hdr = bp->b_addr;
- if (hdr->magic != cpu_to_be32(XFS_FOO_MAGIC))
- return false;
+ if (hdr->magic != cpu_to_be32(XFS_FOO_MAGIC))
+ return false;
- if (!xfs_sb_version_hascrc(&mp->m_sb)) {
- if (!uuid_equal(&hdr->uuid, &mp->m_sb.sb_uuid))
- return false;
- if (bp->b_bn != be64_to_cpu(hdr->blkno))
- return false;
- if (hdr->owner == 0)
- return false;
- }
+ if (!xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (!uuid_equal(&hdr->uuid, &mp->m_sb.sb_uuid))
+ return false;
+ if (bp->b_bn != be64_to_cpu(hdr->blkno))
+ return false;
+ if (hdr->owner == 0)
+ return false;
+ }
- /* object specific verification checks here */
+ /* object specific verification checks here */
- return true;
-}
+ return true;
+ }
If there are different magic numbers for the different formats, the verifier
-will look like:
-
-static bool
-xfs_foo_verify(
- struct xfs_buf *bp)
-{
- struct xfs_mount *mp = bp->b_mount;
- struct xfs_ondisk_hdr *hdr = bp->b_addr;
-
- if (hdr->magic == cpu_to_be32(XFS_FOO_CRC_MAGIC)) {
- if (!uuid_equal(&hdr->uuid, &mp->m_sb.sb_uuid))
- return false;
- if (bp->b_bn != be64_to_cpu(hdr->blkno))
- return false;
- if (hdr->owner == 0)
- return false;
- } else if (hdr->magic != cpu_to_be32(XFS_FOO_MAGIC))
- return false;
-
- /* object specific verification checks here */
-
- return true;
-}
+will look like::
+
+ static bool
+ xfs_foo_verify(
+ struct xfs_buf *bp)
+ {
+ struct xfs_mount *mp = bp->b_mount;
+ struct xfs_ondisk_hdr *hdr = bp->b_addr;
+
+ if (hdr->magic == cpu_to_be32(XFS_FOO_CRC_MAGIC)) {
+ if (!uuid_equal(&hdr->uuid, &mp->m_sb.sb_uuid))
+ return false;
+ if (bp->b_bn != be64_to_cpu(hdr->blkno))
+ return false;
+ if (hdr->owner == 0)
+ return false;
+ } else if (hdr->magic != cpu_to_be32(XFS_FOO_MAGIC))
+ return false;
+
+ /* object specific verification checks here */
+
+ return true;
+ }
Write verifiers are very similar to the read verifiers, they just do things in
-the opposite order to the read verifiers. A typical write verifier:
+the opposite order to the read verifiers. A typical write verifier::
-static void
-xfs_foo_write_verify(
- struct xfs_buf *bp)
-{
- struct xfs_mount *mp = bp->b_mount;
- struct xfs_buf_log_item *bip = bp->b_fspriv;
+ static void
+ xfs_foo_write_verify(
+ struct xfs_buf *bp)
+ {
+ struct xfs_mount *mp = bp->b_mount;
+ struct xfs_buf_log_item *bip = bp->b_fspriv;
- if (!xfs_foo_verify(bp)) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
- return;
- }
+ if (!xfs_foo_verify(bp)) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ return;
+ }
- if (!xfs_sb_version_hascrc(&mp->m_sb))
- return;
+ if (!xfs_sb_version_hascrc(&mp->m_sb))
+ return;
- if (bip) {
- struct xfs_ondisk_hdr *hdr = bp->b_addr;
- hdr->lsn = cpu_to_be64(bip->bli_item.li_lsn);
- }
- xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_FOO_CRC_OFF);
-}
+ if (bip) {
+ struct xfs_ondisk_hdr *hdr = bp->b_addr;
+ hdr->lsn = cpu_to_be64(bip->bli_item.li_lsn);
+ }
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_FOO_CRC_OFF);
+ }
This will verify the internal structure of the metadata before we go any
further, detecting corruptions that have occurred as the metadata has been
@@ -324,7 +327,7 @@ update the LSN field (when it was last modified) and calculate the CRC on the
metadata. Once this is done, we can issue the IO.
Inodes and Dquots
------------------
+=================
Inodes and dquots are special snowflakes. They have per-object CRC and
self-identifiers, but they are packed so that there are multiple objects per
@@ -337,14 +340,13 @@ buffer.
The structure of the verifiers and the identifiers checks is very similar to the
buffer code described above. The only difference is where they are called. For
-example, inode read verification is done in xfs_iread() when the inode is first
-read out of the buffer and the struct xfs_inode is instantiated. The inode is
-already extensively verified during writeback in xfs_iflush_int, so the only
-addition here is to add the LSN and CRC to the inode as it is copied back into
-the buffer.
+example, inode read verification is done in xfs_inode_from_disk() when the inode
+is first read out of the buffer and the struct xfs_inode is instantiated. The
+inode is already extensively verified during writeback in xfs_iflush_int, so the
+only addition here is to add the LSN and CRC to the inode as it is copied back
+into the buffer.
XXX: inode unlinked list modification doesn't recalculate the inode CRC! None of
the unlinked list modifications check or update CRCs, neither during unlink nor
log recovery. So, it's gone unnoticed until now. This won't matter immediately -
repair will probably complain about it - but it needs to be fixed.
-
diff --git a/Documentation/gpu/amdgpu.rst b/Documentation/gpu/amdgpu.rst
index 0efede580039..4cc74325bf91 100644
--- a/Documentation/gpu/amdgpu.rst
+++ b/Documentation/gpu/amdgpu.rst
@@ -202,3 +202,91 @@ busy_percent
.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
:doc: busy_percent
+
+GPU Product Information
+=======================
+
+Information about the GPU can be obtained on certain cards
+via sysfs
+
+product_name
+------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: product_name
+
+product_number
+--------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: product_name
+
+serial_number
+-------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: serial_number
+
+unique_id
+---------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+ :doc: unique_id
+
+GPU Memory Usage Information
+============================
+
+Various memory accounting can be accessed via sysfs
+
+mem_info_vram_total
+-------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vram_total
+
+mem_info_vram_used
+------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vram_used
+
+mem_info_vis_vram_total
+-----------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vis_vram_total
+
+mem_info_vis_vram_used
+----------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+ :doc: mem_info_vis_vram_used
+
+mem_info_gtt_total
+------------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+ :doc: mem_info_gtt_total
+
+mem_info_gtt_used
+-----------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c
+ :doc: mem_info_gtt_used
+
+PCIe Accounting Information
+===========================
+
+pcie_bw
+-------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+ :doc: pcie_bw
+
+pcie_replay_count
+-----------------
+
+.. kernel-doc:: drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+ :doc: pcie_replay_count
+
+
diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst
index a73320576ca9..12272b168580 100644
--- a/Documentation/gpu/drm-internals.rst
+++ b/Documentation/gpu/drm-internals.rst
@@ -132,6 +132,18 @@ be unmapped; on many devices, the ROM address decoder is shared with
other BARs, so leaving it mapped could cause undesired behaviour like
hangs or memory corruption.
+Managed Resources
+-----------------
+
+.. kernel-doc:: drivers/gpu/drm/drm_managed.c
+ :doc: managed resources
+
+.. kernel-doc:: drivers/gpu/drm/drm_managed.c
+ :export:
+
+.. kernel-doc:: include/drm/drm_managed.h
+ :internal:
+
Bus-specific Device Registration and PCI Support
------------------------------------------------
diff --git a/Documentation/gpu/drm-kms.rst b/Documentation/gpu/drm-kms.rst
index 906771e03103..397314d08f77 100644
--- a/Documentation/gpu/drm-kms.rst
+++ b/Documentation/gpu/drm-kms.rst
@@ -3,7 +3,7 @@ Kernel Mode Setting (KMS)
=========================
Drivers must initialize the mode setting core by calling
-drm_mode_config_init() on the DRM device. The function
+drmm_mode_config_init() on the DRM device. The function
initializes the :c:type:`struct drm_device <drm_device>`
mode_config field and never fails. Once done, mode configuration must
be setup by initializing the following fields.
@@ -397,6 +397,9 @@ Connector Functions Reference
Writeback Connectors
--------------------
+.. kernel-doc:: include/drm/drm_writeback.h
+ :internal:
+
.. kernel-doc:: drivers/gpu/drm/drm_writeback.c
:doc: overview
diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst
index c77b32601260..1839762044be 100644
--- a/Documentation/gpu/drm-mm.rst
+++ b/Documentation/gpu/drm-mm.rst
@@ -373,15 +373,6 @@ GEM CMA Helper Functions Reference
.. kernel-doc:: drivers/gpu/drm/drm_gem_cma_helper.c
:export:
-VRAM Helper Function Reference
-==============================
-
-.. kernel-doc:: drivers/gpu/drm/drm_vram_helper_common.c
- :doc: overview
-
-.. kernel-doc:: include/drm/drm_gem_vram_helper.h
- :internal:
-
GEM VRAM Helper Functions Reference
-----------------------------------
diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index f6d363b6756e..33cc6ddf8f64 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -329,6 +329,52 @@ for execution also include a list of all locations within buffers that
refer to GPU-addresses so that the kernel can edit the buffer correctly.
This process is dubbed relocation.
+Locking Guidelines
+------------------
+
+.. note::
+ This is a description of how the locking should be after
+ refactoring is done. Does not necessarily reflect what the locking
+ looks like while WIP.
+
+#. All locking rules and interface contracts with cross-driver interfaces
+ (dma-buf, dma_fence) need to be followed.
+
+#. No struct_mutex anywhere in the code
+
+#. dma_resv will be the outermost lock (when needed) and ww_acquire_ctx
+ is to be hoisted at highest level and passed down within i915_gem_ctx
+ in the call chain
+
+#. While holding lru/memory manager (buddy, drm_mm, whatever) locks
+ system memory allocations are not allowed
+
+ * Enforce this by priming lockdep (with fs_reclaim). If we
+ allocate memory while holding these looks we get a rehash
+ of the shrinker vs. struct_mutex saga, and that would be
+ real bad.
+
+#. Do not nest different lru/memory manager locks within each other.
+ Take them in turn to update memory allocations, relying on the object’s
+ dma_resv ww_mutex to serialize against other operations.
+
+#. The suggestion for lru/memory managers locks is that they are small
+ enough to be spinlocks.
+
+#. All features need to come with exhaustive kernel selftests and/or
+ IGT tests when appropriate
+
+#. All LMEM uAPI paths need to be fully restartable (_interruptible()
+ for all locks/waits/sleeps)
+
+ * Error handling validation through signal injection.
+ Still the best strategy we have for validating GEM uAPI
+ corner cases.
+ Must be excessively used in the IGT, and we need to check
+ that we really have full path coverage of all error cases.
+
+ * -EDEADLK handling with ww_mutex
+
GEM BO Management Implementation Details
----------------------------------------
@@ -391,19 +437,19 @@ Global GTT views
GTT Fences and Swizzling
------------------------
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
:internal:
Global GTT Fence Handling
~~~~~~~~~~~~~~~~~~~~~~~~~
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
:doc: fence register handling
Hardware Tiling and Swizzling Details
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-.. kernel-doc:: drivers/gpu/drm/i915/i915_gem_fence_reg.c
+.. kernel-doc:: drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
:doc: tiling swizzling details
Object Tiling IOCTLs
diff --git a/Documentation/gpu/todo.rst b/Documentation/gpu/todo.rst
index 439656f55c5d..658b52f7ffc6 100644
--- a/Documentation/gpu/todo.rst
+++ b/Documentation/gpu/todo.rst
@@ -347,18 +347,6 @@ Contact: Sean Paul
Level: Starter
-Remove drm_display_mode.hsync
------------------------------
-
-We have drm_mode_hsync() to calculate this from hsync_start/end, since drivers
-shouldn't/don't use this, remove this member to avoid any temptations to use it
-in the future. If there is any debug code using drm_display_mode.hsync, convert
-it to use drm_mode_hsync() instead.
-
-Contact: Sean Paul
-
-Level: Starter
-
connector register/unregister fixes
-----------------------------------
diff --git a/Documentation/hwmon/amd_energy.rst b/Documentation/hwmon/amd_energy.rst
new file mode 100644
index 000000000000..f8288edff664
--- /dev/null
+++ b/Documentation/hwmon/amd_energy.rst
@@ -0,0 +1,109 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+Kernel driver amd_energy
+==========================
+
+Supported chips:
+
+* AMD Family 17h Processors
+
+ Prefix: 'amd_energy'
+
+ Addresses used: RAPL MSRs
+
+ Datasheets:
+
+ - Processor Programming Reference (PPR) for AMD Family 17h Model 01h, Revision B1 Processors
+
+ https://developer.amd.com/wp-content/resources/55570-B1_PUB.zip
+
+ - Preliminary Processor Programming Reference (PPR) for AMD Family 17h Model 31h, Revision B0 Processors
+
+ https://developer.amd.com/wp-content/resources/56176_ppr_Family_17h_Model_71h_B0_pub_Rev_3.06.zip
+
+Author: Naveen Krishna Chatradhi <nchatrad@amd.com>
+
+Description
+-----------
+
+The Energy driver exposes the energy counters that are
+reported via the Running Average Power Limit (RAPL)
+Model-specific Registers (MSRs) via the hardware monitor
+(HWMON) sysfs interface.
+
+1. Power, Energy and Time Units
+ MSR_RAPL_POWER_UNIT/ C001_0299:
+ shared with all cores in the socket
+
+2. Energy consumed by each Core
+ MSR_CORE_ENERGY_STATUS/ C001_029A:
+ 32-bitRO, Accumulator, core-level power reporting
+
+3. Energy consumed by Socket
+ MSR_PACKAGE_ENERGY_STATUS/ C001_029B:
+ 32-bitRO, Accumulator, socket-level power reporting,
+ shared with all cores in socket
+
+These registers are updated every 1ms and cleared on
+reset of the system.
+
+Note: If SMT is enabled, Linux enumerates all threads as cpus.
+Since, the energy status registers are accessed at core level,
+reading those registers from the sibling threads would result
+in duplicate values. Hence, energy counter entries are not
+populated for the siblings.
+
+Energy Caluclation
+------------------
+
+Energy information (in Joules) is based on the multiplier,
+1/2^ESU; where ESU is an unsigned integer read from
+MSR_RAPL_POWER_UNIT register. Default value is 10000b,
+indicating energy status unit is 15.3 micro-Joules increment.
+
+Reported values are scaled as per the formula
+
+scaled value = ((1/2^ESU) * (Raw value) * 1000000UL) in uJoules
+
+Users calculate power for a given domain by calculating
+ dEnergy/dTime for that domain.
+
+Energy accumulation
+--------------------------
+
+Current, Socket energy status register is 32bit, assuming a 240W
+2P system, the register would wrap around in
+
+ 2^32*15.3 e-6/240 * 2 = 547.60833024 secs to wrap(~9 mins)
+
+The Core energy register may wrap around after several days.
+
+To improve the wrap around time, a kernel thread is implemented
+to accumulate the socket energy counters and one core energy counter
+per run to a respective 64-bit counter. The kernel thread starts
+running during probe, wakes up every 100secs and stops running
+when driver is removed.
+
+A socket and core energy read would return the current register
+value added to the respective energy accumulator.
+
+Sysfs attributes
+----------------
+
+=============== ======== =====================================
+Attribute Label Description
+=============== ======== =====================================
+
+* For index N between [1] and [nr_cpus]
+
+=============== ======== ======================================
+energy[N]_input EcoreX Core Energy X = [0] to [nr_cpus - 1]
+ Measured input core energy
+=============== ======== ======================================
+
+* For N between [nr_cpus] and [nr_cpus + nr_socks]
+
+=============== ======== ======================================
+energy[N]_input EsocketX Socket Energy X = [0] to [nr_socks -1]
+ Measured input socket energy
+=============== ======== ======================================
diff --git a/Documentation/hwmon/bcm54140.rst b/Documentation/hwmon/bcm54140.rst
new file mode 100644
index 000000000000..bc6ea4b45966
--- /dev/null
+++ b/Documentation/hwmon/bcm54140.rst
@@ -0,0 +1,45 @@
+.. SPDX-License-Identifier: GPL-2.0-only
+
+Broadcom BCM54140 Quad SGMII/QSGMII PHY
+=======================================
+
+Supported chips:
+
+ * Broadcom BCM54140
+
+ Datasheet: not public
+
+Author: Michael Walle <michael@walle.cc>
+
+Description
+-----------
+
+The Broadcom BCM54140 is a Quad SGMII/QSGMII PHY which supports monitoring
+its die temperature as well as two analog voltages.
+
+The AVDDL is a 1.0V analogue voltage, the AVDDH is a 3.3V analogue voltage.
+Both voltages and the temperature are measured in a round-robin fashion.
+
+Sysfs entries
+-------------
+
+The following attributes are supported.
+
+======================= ========================================================
+in0_label "AVDDL"
+in0_input Measured AVDDL voltage.
+in0_min Minimum AVDDL voltage.
+in0_max Maximum AVDDL voltage.
+in0_alarm AVDDL voltage alarm.
+
+in1_label "AVDDH"
+in1_input Measured AVDDH voltage.
+in1_min Minimum AVDDH voltage.
+in1_max Maximum AVDDH voltage.
+in1_alarm AVDDH voltage alarm.
+
+temp1_input Die temperature.
+temp1_min Minimum die temperature.
+temp1_max Maximum die temperature.
+temp1_alarm Die temperature alarm.
+======================= ========================================================
diff --git a/Documentation/hwmon/bt1-pvt.rst b/Documentation/hwmon/bt1-pvt.rst
new file mode 100644
index 000000000000..cbb0c0613132
--- /dev/null
+++ b/Documentation/hwmon/bt1-pvt.rst
@@ -0,0 +1,117 @@
+.. SPDX-License-Identifier: GPL-2.0-only
+
+Kernel driver bt1-pvt
+=====================
+
+Supported chips:
+
+ * Baikal-T1 PVT sensor (in SoC)
+
+ Prefix: 'bt1-pvt'
+
+ Addresses scanned: -
+
+ Datasheet: Provided by BAIKAL ELECTRONICS upon request and under NDA
+
+Authors:
+ Maxim Kaurkin <maxim.kaurkin@baikalelectronics.ru>
+ Serge Semin <Sergey.Semin@baikalelectronics.ru>
+
+Description
+-----------
+
+This driver implements support for the hardware monitoring capabilities of the
+embedded into Baikal-T1 process, voltage and temperature sensors. PVT IP-core
+consists of one temperature and four voltage sensors, which can be used to
+monitor the chip internal environment like heating, supply voltage and
+transistors performance. The driver can optionally provide the hwmon alarms
+for each sensor the PVT controller supports. The alarms functionality is made
+compile-time configurable due to the hardware interface implementation
+peculiarity, which is connected with an ability to convert data from only one
+sensor at a time. Additional limitation is that the controller performs the
+thresholds checking synchronously with the data conversion procedure. Due to
+these in order to have the hwmon alarms automatically detected the driver code
+must switch from one sensor to another, read converted data and manually check
+the threshold status bits. Depending on the measurements timeout settings
+(update_interval sysfs node value) this design may cause additional burden on
+the system performance. So in case if alarms are unnecessary in your system
+design it's recommended to have them disabled to prevent the PVT IRQs being
+periodically raised to get the data cache/alarms status up to date. By default
+in alarm-less configuration the data conversion is performed by the driver
+on demand when read operation is requested via corresponding _input-file.
+
+Temperature Monitoring
+----------------------
+
+Temperature is measured with 10-bit resolution and reported in millidegree
+Celsius. The driver performs all the scaling by itself therefore reports true
+temperatures that don't need any user-space adjustments. While the data
+translation formulae isn't linear, which gives us non-linear discreteness,
+it's close to one, but giving a bit better accuracy for higher temperatures.
+The temperature input is mapped as follows (the last column indicates the input
+ranges)::
+
+ temp1: CPU embedded diode -48.38C - +147.438C
+
+In case if the alarms kernel config is enabled in the driver the temperature input
+has associated min and max limits which trigger an alarm when crossed.
+
+Voltage Monitoring
+------------------
+
+The voltage inputs are also sampled with 10-bit resolution and reported in
+millivolts. But in this case the data translation formulae is linear, which
+provides a constant measurements discreteness. The data scaling is also
+performed by the driver, so returning true millivolts. The voltage inputs are
+mapped as follows (the last column indicates the input ranges)::
+
+ in0: VDD (processor core) 0.62V - 1.168V
+ in1: Low-Vt (low voltage threshold) 0.62V - 1.168V
+ in2: High-Vt (high voltage threshold) 0.62V - 1.168V
+ in3: Standard-Vt (standard voltage threshold) 0.62V - 1.168V
+
+In case if the alarms config is enabled in the driver the voltage inputs
+have associated min and max limits which trigger an alarm when crossed.
+
+Sysfs Attributes
+----------------
+
+Following is a list of all sysfs attributes that the driver provides, their
+permissions and a short description:
+
+=============================== ======= =======================================
+Name Perm Description
+=============================== ======= =======================================
+update_interval RW Measurements update interval per
+ sensor.
+temp1_type RO Sensor type (always 1 as CPU embedded
+ diode).
+temp1_label RO CPU Core Temperature sensor.
+temp1_input RO Measured temperature in millidegree
+ Celsius.
+temp1_min RW Low limit for temp input.
+temp1_max RW High limit for temp input.
+temp1_min_alarm RO Temperature input alarm. Returns 1 if
+ temperature input went below min limit,
+ 0 otherwise.
+temp1_max_alarm RO Temperature input alarm. Returns 1 if
+ temperature input went above max limit,
+ 0 otherwise.
+temp1_offset RW Temperature offset in millidegree
+ Celsius which is added to the
+ temperature reading by the chip. It can
+ be used to manually adjust the
+ temperature measurements within 7.130
+ degrees Celsius.
+in[0-3]_label RO CPU Voltage sensor (either core or
+ low/high/standard thresholds).
+in[0-3]_input RO Measured voltage in millivolts.
+in[0-3]_min RW Low limit for voltage input.
+in[0-3]_max RW High limit for voltage input.
+in[0-3]_min_alarm RO Voltage input alarm. Returns 1 if
+ voltage input went below min limit,
+ 0 otherwise.
+in[0-3]_max_alarm RO Voltage input alarm. Returns 1 if
+ voltage input went above max limit,
+ 0 otherwise.
+=============================== ======= =======================================
diff --git a/Documentation/hwmon/gsc-hwmon.rst b/Documentation/hwmon/gsc-hwmon.rst
new file mode 100644
index 000000000000..ffac392a7129
--- /dev/null
+++ b/Documentation/hwmon/gsc-hwmon.rst
@@ -0,0 +1,53 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+Kernel driver gsc-hwmon
+=======================
+
+Supported chips: Gateworks GSC
+Datasheet: http://trac.gateworks.com/wiki/gsc
+Author: Tim Harvey <tharvey@gateworks.com>
+
+Description:
+------------
+
+This driver supports hardware monitoring for the temperature sensor,
+various ADC's connected to the GSC, and optional FAN controller available
+on some boards.
+
+
+Voltage Monitoring
+------------------
+
+The voltage inputs are scaled either internally or by the driver depending
+on the GSC version and firmware. The values returned by the driver do not need
+further scaling. The voltage input labels provide the voltage rail name:
+
+inX_input Measured voltage (mV).
+inX_label Name of voltage rail.
+
+
+Temperature Monitoring
+----------------------
+
+Temperatures are measured with 12-bit or 10-bit resolution and are scaled
+either internally or by the driver depending on the GSC version and firmware.
+The values returned by the driver reflect millidegree Celcius:
+
+tempX_input Measured temperature.
+tempX_label Name of temperature input.
+
+
+PWM Output Control
+------------------
+
+The GSC features 1 PWM output that operates in automatic mode where the
+PWM value will be scalled depending on 6 temperature boundaries.
+The tempeature boundaries are read-write and in millidegree Celcius and the
+read-only PWM values range from 0 (off) to 255 (full speed).
+Fan speed will be set to minimum (off) when the temperature sensor reads
+less than pwm1_auto_point1_temp and maximum when the temperature sensor
+equals or exceeds pwm1_auto_point6_temp.
+
+pwm1_auto_point[1-6]_pwm PWM value.
+pwm1_auto_point[1-6]_temp Temperature boundary.
+
diff --git a/Documentation/hwmon/ina2xx.rst b/Documentation/hwmon/ina2xx.rst
index 94b9a260c518..ed81f5416331 100644
--- a/Documentation/hwmon/ina2xx.rst
+++ b/Documentation/hwmon/ina2xx.rst
@@ -99,6 +99,25 @@ Sysfs entries for ina226, ina230 and ina231 only
------------------------------------------------
======================= ====================================================
+in0_lcrit Critical low shunt voltage
+in0_crit Critical high shunt voltage
+in0_lcrit_alarm Shunt voltage critical low alarm
+in0_crit_alarm Shunt voltage critical high alarm
+in1_lcrit Critical low bus voltage
+in1_crit Critical high bus voltage
+in1_lcrit_alarm Bus voltage critical low alarm
+in1_crit_alarm Bus voltage critical high alarm
+power1_crit Critical high power
+power1_crit_alarm Power critical high alarm
update_interval data conversion time; affects number of samples used
to average results for shunt and bus voltages.
======================= ====================================================
+
+.. note::
+
+ - Configure `shunt_resistor` before configure `power1_crit`, because power
+ value is calculated based on `shunt_resistor` set.
+ - Because of the underlying register implementation, only one `*crit` setting
+ and its `alarm` can be active. Writing to one `*crit` setting clears other
+ `*crit` settings and alarms. Writing 0 to any `*crit` setting clears all
+ `*crit` settings and alarms.
diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst
index 8ef62fd39787..55ff4b7c5349 100644
--- a/Documentation/hwmon/index.rst
+++ b/Documentation/hwmon/index.rst
@@ -39,10 +39,13 @@ Hardware Monitoring Kernel Drivers
adt7470
adt7475
amc6821
+ amd_energy
asb100
asc7621
aspeed-pwm-tacho
+ bcm54140
bel-pfe
+ bt1-pvt
coretemp
da9052
da9055
@@ -60,6 +63,7 @@ Hardware Monitoring Kernel Drivers
ftsteutates
g760a
g762
+ gsc-hwmon
gl518sm
hih6130
ibmaem
@@ -106,6 +110,7 @@ Hardware Monitoring Kernel Drivers
max16064
max16065
max1619
+ max16601
max1668
max197
max20730
diff --git a/Documentation/hwmon/lm90.rst b/Documentation/hwmon/lm90.rst
index 953315987c06..78dfc01b47a2 100644
--- a/Documentation/hwmon/lm90.rst
+++ b/Documentation/hwmon/lm90.rst
@@ -123,6 +123,18 @@ Supported chips:
http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3497
+ * Maxim MAX6654
+
+ Prefix: 'max6654'
+
+ Addresses scanned: I2C 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b,
+
+ 0x4c, 0x4d and 0x4e
+
+ Datasheet: Publicly available at the Maxim website
+
+ https://www.maximintegrated.com/en/products/sensors/MAX6654.html
+
* Maxim MAX6657
Prefix: 'max6657'
@@ -301,6 +313,13 @@ ADT7461, ADT7461A, NCT1008:
* Extended temperature range (breaks compatibility)
* Lower resolution for remote temperature
+MAX6654:
+ * Better local resolution
+ * Selectable address
+ * Remote sensor type selection
+ * Extended temperature range
+ * Extended resolution only available when conversion rate <= 1 Hz
+
MAX6657 and MAX6658:
* Better local resolution
* Remote sensor type selection
@@ -336,8 +355,8 @@ SA56004X:
All temperature values are given in degrees Celsius. Resolution
is 1.0 degree for the local temperature, 0.125 degree for the remote
-temperature, except for the MAX6657, MAX6658 and MAX6659 which have a
-resolution of 0.125 degree for both temperatures.
+temperature, except for the MAX6654, MAX6657, MAX6658 and MAX6659 which have
+a resolution of 0.125 degree for both temperatures.
Each sensor has its own high and low limits, plus a critical limit.
Additionally, there is a relative hysteresis value common to both critical
diff --git a/Documentation/hwmon/max16601.rst b/Documentation/hwmon/max16601.rst
new file mode 100644
index 000000000000..346e74674c51
--- /dev/null
+++ b/Documentation/hwmon/max16601.rst
@@ -0,0 +1,159 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+Kernel driver max16601
+======================
+
+Supported chips:
+
+ * Maxim MAX16601
+
+ Prefix: 'max16601'
+
+ Addresses scanned: -
+
+ Datasheet: Not published
+
+Author: Guenter Roeck <linux@roeck-us.net>
+
+
+Description
+-----------
+
+This driver supports the MAX16601 VR13.HC Dual-Output Voltage Regulator
+Chipset.
+
+The driver is a client driver to the core PMBus driver.
+Please see Documentation/hwmon/pmbus.rst for details on PMBus client drivers.
+
+
+Usage Notes
+-----------
+
+This driver does not auto-detect devices. You will have to instantiate the
+devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for
+details.
+
+
+Platform data support
+---------------------
+
+The driver supports standard PMBus driver platform data.
+
+
+Sysfs entries
+-------------
+
+The following attributes are supported.
+
+======================= =======================================================
+in1_label "vin1"
+in1_input VCORE input voltage.
+in1_alarm Input voltage alarm.
+
+in2_label "vout1"
+in2_input VCORE output voltage.
+in2_alarm Output voltage alarm.
+
+curr1_label "iin1"
+curr1_input VCORE input current, derived from duty cycle and output
+ current.
+curr1_max Maximum input current.
+curr1_max_alarm Current high alarm.
+
+curr2_label "iin1.0"
+curr2_input VCORE phase 0 input current.
+
+curr3_label "iin1.1"
+curr3_input VCORE phase 1 input current.
+
+curr4_label "iin1.2"
+curr4_input VCORE phase 2 input current.
+
+curr5_label "iin1.3"
+curr5_input VCORE phase 3 input current.
+
+curr6_label "iin1.4"
+curr6_input VCORE phase 4 input current.
+
+curr7_label "iin1.5"
+curr7_input VCORE phase 5 input current.
+
+curr8_label "iin1.6"
+curr8_input VCORE phase 6 input current.
+
+curr9_label "iin1.7"
+curr9_input VCORE phase 7 input current.
+
+curr10_label "iin2"
+curr10_input VCORE input current, derived from sensor element.
+
+curr11_label "iin3"
+curr11_input VSA input current.
+
+curr12_label "iout1"
+curr12_input VCORE output current.
+curr12_crit Critical output current.
+curr12_crit_alarm Output current critical alarm.
+curr12_max Maximum output current.
+curr12_max_alarm Output current high alarm.
+
+curr13_label "iout1.0"
+curr13_input VCORE phase 0 output current.
+
+curr14_label "iout1.1"
+curr14_input VCORE phase 1 output current.
+
+curr15_label "iout1.2"
+curr15_input VCORE phase 2 output current.
+
+curr16_label "iout1.3"
+curr16_input VCORE phase 3 output current.
+
+curr17_label "iout1.4"
+curr17_input VCORE phase 4 output current.
+
+curr18_label "iout1.5"
+curr18_input VCORE phase 5 output current.
+
+curr19_label "iout1.6"
+curr19_input VCORE phase 6 output current.
+
+curr20_label "iout1.7"
+curr20_input VCORE phase 7 output current.
+
+curr21_label "iout3"
+curr21_input VSA output current.
+curr21_highest Historical maximum VSA output current.
+curr21_reset_history Write any value to reset curr21_highest.
+curr21_crit Critical output current.
+curr21_crit_alarm Output current critical alarm.
+curr21_max Maximum output current.
+curr21_max_alarm Output current high alarm.
+
+power1_label "pin1"
+power1_input Input power, derived from duty cycle and output current.
+power1_alarm Input power alarm.
+
+power2_label "pin2"
+power2_input Input power, derived from input current sensor.
+
+power3_label "pout"
+power3_input Output power.
+
+temp1_input VCORE temperature.
+temp1_crit Critical high temperature.
+temp1_crit_alarm Chip temperature critical high alarm.
+temp1_max Maximum temperature.
+temp1_max_alarm Chip temperature high alarm.
+
+temp2_input TSENSE_0 temperature
+temp3_input TSENSE_1 temperature
+temp4_input TSENSE_2 temperature
+temp5_input TSENSE_3 temperature
+
+temp6_input VSA temperature.
+temp6_crit Critical high temperature.
+temp6_crit_alarm Chip temperature critical high alarm.
+temp6_max Maximum temperature.
+temp6_max_alarm Chip temperature high alarm.
+======================= =======================================================
diff --git a/Documentation/i2c/i2c.svg b/Documentation/i2c/i2c_bus.svg
index 5979405ad1c3..3170de976373 100644
--- a/Documentation/i2c/i2c.svg
+++ b/Documentation/i2c/i2c_bus.svg
@@ -9,7 +9,7 @@
xmlns="http://www.w3.org/2000/svg"
xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
- sodipodi:docname="i2c.svg"
+ sodipodi:docname="i2c_bus.svg"
inkscape:version="0.92.3 (2405546, 2018-03-11)"
version="1.1"
id="svg2"
diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst
index ce7230025b33..136c4e333be7 100644
--- a/Documentation/i2c/summary.rst
+++ b/Documentation/i2c/summary.rst
@@ -34,7 +34,7 @@ Terminology
Using the terminology from the official documentation, the I2C bus connects
one or more *master* chips and one or more *slave* chips.
-.. kernel-figure:: i2c.svg
+.. kernel-figure:: i2c_bus.svg
:alt: Simple I2C bus with one master and 3 slaves
Simple I2C bus
diff --git a/Documentation/ia64/irq-redir.rst b/Documentation/ia64/irq-redir.rst
index 39bf94484a15..6bbbbe4f73ef 100644
--- a/Documentation/ia64/irq-redir.rst
+++ b/Documentation/ia64/irq-redir.rst
@@ -7,7 +7,7 @@ IRQ affinity on IA64 platforms
By writing to /proc/irq/IRQ#/smp_affinity the interrupt routing can be
controlled. The behavior on IA64 platforms is slightly different from
-that described in Documentation/IRQ-affinity.txt for i386 systems.
+that described in Documentation/core-api/irq/irq-affinity.rst for i386 systems.
Because of the usage of SAPIC mode and physical destination mode the
IRQ target is one particular CPU and cannot be a mask of several
diff --git a/Documentation/iio/iio_configfs.rst b/Documentation/iio/iio_configfs.rst
index ecbfdb3afef7..6e38cbbd2981 100644
--- a/Documentation/iio/iio_configfs.rst
+++ b/Documentation/iio/iio_configfs.rst
@@ -9,7 +9,7 @@ Configfs is a filesystem-based manager of kernel objects. IIO uses some
objects that could be easily configured using configfs (e.g.: devices,
triggers).
-See Documentation/filesystems/configfs/configfs.txt for more information
+See Documentation/filesystems/configfs.rst for more information
about how configfs works.
2. Usage
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst
index 04d5c01a2e99..b80257a03830 100644
--- a/Documentation/kbuild/makefiles.rst
+++ b/Documentation/kbuild/makefiles.rst
@@ -1241,7 +1241,8 @@ When kbuild executes, the following steps are followed (roughly):
will be displayed with "make KBUILD_VERBOSE=0".
---- 6.9 Preprocessing linker scripts
+6.9 Preprocessing linker scripts
+--------------------------------
When the vmlinux image is built, the linker script
arch/$(ARCH)/kernel/vmlinux.lds is used.
diff --git a/Documentation/futex-requeue-pi.txt b/Documentation/locking/futex-requeue-pi.rst
index 14ab5787b9a7..14ab5787b9a7 100644
--- a/Documentation/futex-requeue-pi.txt
+++ b/Documentation/locking/futex-requeue-pi.rst
diff --git a/Documentation/hwspinlock.txt b/Documentation/locking/hwspinlock.rst
index 6f03713b7003..6f03713b7003 100644
--- a/Documentation/hwspinlock.txt
+++ b/Documentation/locking/hwspinlock.rst
diff --git a/Documentation/locking/index.rst b/Documentation/locking/index.rst
index 5d6800a723dc..d785878cad65 100644
--- a/Documentation/locking/index.rst
+++ b/Documentation/locking/index.rst
@@ -16,6 +16,13 @@ locking
rt-mutex
spinlocks
ww-mutex-design
+ preempt-locking
+ pi-futex
+ futex-requeue-pi
+ hwspinlock
+ percpu-rw-semaphore
+ robust-futexes
+ robust-futex-ABI
.. only:: subproject and html
diff --git a/Documentation/locking/locktorture.rst b/Documentation/locking/locktorture.rst
index 5bcb99ba7bd9..8012a74555e7 100644
--- a/Documentation/locking/locktorture.rst
+++ b/Documentation/locking/locktorture.rst
@@ -110,7 +110,7 @@ stutter
same period of time. Defaults to "stutter=5", so as
to run and pause for (roughly) five-second intervals.
Specifying "stutter=0" causes the test to run continuously
- without pausing, which is the old default behavior.
+ without pausing.
shuffle_interval
The number of seconds to keep the test threads affinitied
diff --git a/Documentation/locking/locktypes.rst b/Documentation/locking/locktypes.rst
index 09f45ce38d26..1b577a8bf982 100644
--- a/Documentation/locking/locktypes.rst
+++ b/Documentation/locking/locktypes.rst
@@ -13,6 +13,7 @@ The kernel provides a variety of locking primitives which can be divided
into two categories:
- Sleeping locks
+ - CPU local locks
- Spinning locks
This document conceptually describes these lock types and provides rules
@@ -44,9 +45,23 @@ Sleeping lock types:
On PREEMPT_RT kernels, these lock types are converted to sleeping locks:
+ - local_lock
- spinlock_t
- rwlock_t
+
+CPU local locks
+---------------
+
+ - local_lock
+
+On non-PREEMPT_RT kernels, local_lock functions are wrappers around
+preemption and interrupt disabling primitives. Contrary to other locking
+mechanisms, disabling preemption or interrupts are pure CPU local
+concurrency control mechanisms and not suited for inter-CPU concurrency
+control.
+
+
Spinning locks
--------------
@@ -67,6 +82,7 @@ can have suffixes which apply further protections:
_irqsave/restore() Save and disable / restore interrupt disabled state
=================== ====================================================
+
Owner semantics
===============
@@ -139,6 +155,56 @@ implementation, thus changing the fairness:
writer from starving readers.
+local_lock
+==========
+
+local_lock provides a named scope to critical sections which are protected
+by disabling preemption or interrupts.
+
+On non-PREEMPT_RT kernels local_lock operations map to the preemption and
+interrupt disabling and enabling primitives:
+
+ =========================== ======================
+ local_lock(&llock) preempt_disable()
+ local_unlock(&llock) preempt_enable()
+ local_lock_irq(&llock) local_irq_disable()
+ local_unlock_irq(&llock) local_irq_enable()
+ local_lock_save(&llock) local_irq_save()
+ local_lock_restore(&llock) local_irq_save()
+ =========================== ======================
+
+The named scope of local_lock has two advantages over the regular
+primitives:
+
+ - The lock name allows static analysis and is also a clear documentation
+ of the protection scope while the regular primitives are scopeless and
+ opaque.
+
+ - If lockdep is enabled the local_lock gains a lockmap which allows to
+ validate the correctness of the protection. This can detect cases where
+ e.g. a function using preempt_disable() as protection mechanism is
+ invoked from interrupt or soft-interrupt context. Aside of that
+ lockdep_assert_held(&llock) works as with any other locking primitive.
+
+local_lock and PREEMPT_RT
+-------------------------
+
+PREEMPT_RT kernels map local_lock to a per-CPU spinlock_t, thus changing
+semantics:
+
+ - All spinlock_t changes also apply to local_lock.
+
+local_lock usage
+----------------
+
+local_lock should be used in situations where disabling preemption or
+interrupts is the appropriate form of concurrency control to protect
+per-CPU data structures on a non PREEMPT_RT kernel.
+
+local_lock is not suitable to protect against preemption or interrupts on a
+PREEMPT_RT kernel due to the PREEMPT_RT specific spinlock_t semantics.
+
+
raw_spinlock_t and spinlock_t
=============================
@@ -258,10 +324,82 @@ implementation, thus changing semantics:
PREEMPT_RT caveats
==================
+local_lock on RT
+----------------
+
+The mapping of local_lock to spinlock_t on PREEMPT_RT kernels has a few
+implications. For example, on a non-PREEMPT_RT kernel the following code
+sequence works as expected::
+
+ local_lock_irq(&local_lock);
+ raw_spin_lock(&lock);
+
+and is fully equivalent to::
+
+ raw_spin_lock_irq(&lock);
+
+On a PREEMPT_RT kernel this code sequence breaks because local_lock_irq()
+is mapped to a per-CPU spinlock_t which neither disables interrupts nor
+preemption. The following code sequence works perfectly correct on both
+PREEMPT_RT and non-PREEMPT_RT kernels::
+
+ local_lock_irq(&local_lock);
+ spin_lock(&lock);
+
+Another caveat with local locks is that each local_lock has a specific
+protection scope. So the following substitution is wrong::
+
+ func1()
+ {
+ local_irq_save(flags); -> local_lock_irqsave(&local_lock_1, flags);
+ func3();
+ local_irq_restore(flags); -> local_lock_irqrestore(&local_lock_1, flags);
+ }
+
+ func2()
+ {
+ local_irq_save(flags); -> local_lock_irqsave(&local_lock_2, flags);
+ func3();
+ local_irq_restore(flags); -> local_lock_irqrestore(&local_lock_2, flags);
+ }
+
+ func3()
+ {
+ lockdep_assert_irqs_disabled();
+ access_protected_data();
+ }
+
+On a non-PREEMPT_RT kernel this works correctly, but on a PREEMPT_RT kernel
+local_lock_1 and local_lock_2 are distinct and cannot serialize the callers
+of func3(). Also the lockdep assert will trigger on a PREEMPT_RT kernel
+because local_lock_irqsave() does not disable interrupts due to the
+PREEMPT_RT-specific semantics of spinlock_t. The correct substitution is::
+
+ func1()
+ {
+ local_irq_save(flags); -> local_lock_irqsave(&local_lock, flags);
+ func3();
+ local_irq_restore(flags); -> local_lock_irqrestore(&local_lock, flags);
+ }
+
+ func2()
+ {
+ local_irq_save(flags); -> local_lock_irqsave(&local_lock, flags);
+ func3();
+ local_irq_restore(flags); -> local_lock_irqrestore(&local_lock, flags);
+ }
+
+ func3()
+ {
+ lockdep_assert_held(&local_lock);
+ access_protected_data();
+ }
+
+
spinlock_t and rwlock_t
-----------------------
-These changes in spinlock_t and rwlock_t semantics on PREEMPT_RT kernels
+The changes in spinlock_t and rwlock_t semantics on PREEMPT_RT kernels
have a few implications. For example, on a non-PREEMPT_RT kernel the
following code sequence works as expected::
@@ -282,9 +420,61 @@ local_lock mechanism. Acquiring the local_lock pins the task to a CPU,
allowing things like per-CPU interrupt disabled locks to be acquired.
However, this approach should be used only where absolutely necessary.
+A typical scenario is protection of per-CPU variables in thread context::
-raw_spinlock_t
---------------
+ struct foo *p = get_cpu_ptr(&var1);
+
+ spin_lock(&p->lock);
+ p->count += this_cpu_read(var2);
+
+This is correct code on a non-PREEMPT_RT kernel, but on a PREEMPT_RT kernel
+this breaks. The PREEMPT_RT-specific change of spinlock_t semantics does
+not allow to acquire p->lock because get_cpu_ptr() implicitly disables
+preemption. The following substitution works on both kernels::
+
+ struct foo *p;
+
+ migrate_disable();
+ p = this_cpu_ptr(&var1);
+ spin_lock(&p->lock);
+ p->count += this_cpu_read(var2);
+
+On a non-PREEMPT_RT kernel migrate_disable() maps to preempt_disable()
+which makes the above code fully equivalent. On a PREEMPT_RT kernel
+migrate_disable() ensures that the task is pinned on the current CPU which
+in turn guarantees that the per-CPU access to var1 and var2 are staying on
+the same CPU.
+
+The migrate_disable() substitution is not valid for the following
+scenario::
+
+ func()
+ {
+ struct foo *p;
+
+ migrate_disable();
+ p = this_cpu_ptr(&var1);
+ p->val = func2();
+
+While correct on a non-PREEMPT_RT kernel, this breaks on PREEMPT_RT because
+here migrate_disable() does not protect against reentrancy from a
+preempting task. A correct substitution for this case is::
+
+ func()
+ {
+ struct foo *p;
+
+ local_lock(&foo_lock);
+ p = this_cpu_ptr(&var1);
+ p->val = func2();
+
+On a non-PREEMPT_RT kernel this protects against reentrancy by disabling
+preemption. On a PREEMPT_RT kernel this is achieved by acquiring the
+underlying per-CPU spinlock.
+
+
+raw_spinlock_t on RT
+--------------------
Acquiring a raw_spinlock_t disables preemption and possibly also
interrupts, so the critical section must avoid acquiring a regular
@@ -325,22 +515,25 @@ Lock type nesting rules
The most basic rules are:
- - Lock types of the same lock category (sleeping, spinning) can nest
- arbitrarily as long as they respect the general lock ordering rules to
- prevent deadlocks.
+ - Lock types of the same lock category (sleeping, CPU local, spinning)
+ can nest arbitrarily as long as they respect the general lock ordering
+ rules to prevent deadlocks.
+
+ - Sleeping lock types cannot nest inside CPU local and spinning lock types.
- - Sleeping lock types cannot nest inside spinning lock types.
+ - CPU local and spinning lock types can nest inside sleeping lock types.
- - Spinning lock types can nest inside sleeping lock types.
+ - Spinning lock types can nest inside all lock types
These constraints apply both in PREEMPT_RT and otherwise.
The fact that PREEMPT_RT changes the lock category of spinlock_t and
-rwlock_t from spinning to sleeping means that they cannot be acquired while
-holding a raw spinlock. This results in the following nesting ordering:
+rwlock_t from spinning to sleeping and substitutes local_lock with a
+per-CPU spinlock_t means that they cannot be acquired while holding a raw
+spinlock. This results in the following nesting ordering:
1) Sleeping locks
- 2) spinlock_t and rwlock_t
+ 2) spinlock_t, rwlock_t, local_lock
3) raw_spinlock_t and bit spinlocks
Lockdep will complain if these constraints are violated, both in
diff --git a/Documentation/percpu-rw-semaphore.txt b/Documentation/locking/percpu-rw-semaphore.rst
index 247de6410855..247de6410855 100644
--- a/Documentation/percpu-rw-semaphore.txt
+++ b/Documentation/locking/percpu-rw-semaphore.rst
diff --git a/Documentation/pi-futex.txt b/Documentation/locking/pi-futex.rst
index c33ba2befbf8..c33ba2befbf8 100644
--- a/Documentation/pi-futex.txt
+++ b/Documentation/locking/pi-futex.rst
diff --git a/Documentation/preempt-locking.txt b/Documentation/locking/preempt-locking.rst
index dce336134e54..dce336134e54 100644
--- a/Documentation/preempt-locking.txt
+++ b/Documentation/locking/preempt-locking.rst
diff --git a/Documentation/robust-futex-ABI.txt b/Documentation/locking/robust-futex-ABI.rst
index f24904f1c16f..f24904f1c16f 100644
--- a/Documentation/robust-futex-ABI.txt
+++ b/Documentation/locking/robust-futex-ABI.rst
diff --git a/Documentation/robust-futexes.txt b/Documentation/locking/robust-futexes.rst
index 6361fb01c9c1..6361fb01c9c1 100644
--- a/Documentation/robust-futexes.txt
+++ b/Documentation/locking/robust-futexes.rst
diff --git a/Documentation/locking/rt-mutex.rst b/Documentation/locking/rt-mutex.rst
index c365dc302081..3b5097a380e6 100644
--- a/Documentation/locking/rt-mutex.rst
+++ b/Documentation/locking/rt-mutex.rst
@@ -4,7 +4,7 @@ RT-mutex subsystem with PI support
RT-mutexes with priority inheritance are used to support PI-futexes,
which enable pthread_mutex_t priority inheritance attributes
-(PTHREAD_PRIO_INHERIT). [See Documentation/pi-futex.txt for more details
+(PTHREAD_PRIO_INHERIT). [See Documentation/locking/pi-futex.rst for more details
about PI-futexes.]
This technology was developed in the -rt tree and streamlined for
diff --git a/Documentation/maintainer/maintainer-entry-profile.rst b/Documentation/maintainer/maintainer-entry-profile.rst
index 11ebe3682771..77e43c8b24b4 100644
--- a/Documentation/maintainer/maintainer-entry-profile.rst
+++ b/Documentation/maintainer/maintainer-entry-profile.rst
@@ -7,7 +7,7 @@ The Maintainer Entry Profile supplements the top-level process documents
(submitting-patches, submitting drivers...) with
subsystem/device-driver-local customs as well as details about the patch
submission life-cycle. A contributor uses this document to level set
-their expectations and avoid common mistakes, maintainers may use these
+their expectations and avoid common mistakes; maintainers may use these
profiles to look across subsystems for opportunities to converge on
common practices.
@@ -26,7 +26,7 @@ Example questions to consider:
- Does the subsystem have a patchwork instance? Are patchwork state
changes notified?
- Any bots or CI infrastructure that watches the list, or automated
- testing feedback that the subsystem gates acceptance?
+ testing feedback that the subsystem uses to gate acceptance?
- Git branches that are pulled into -next?
- What branch should contributors submit against?
- Links to any other Maintainer Entry Profiles? For example a
@@ -54,8 +54,8 @@ One of the common misunderstandings of submitters is that patches can be
sent at any time before the merge window closes and can still be
considered for the next -rc1. The reality is that most patches need to
be settled in soaking in linux-next in advance of the merge window
-opening. Clarify for the submitter the key dates (in terms rc release
-week) that patches might considered for merging and when patches need to
+opening. Clarify for the submitter the key dates (in terms of -rc release
+week) that patches might be considered for merging and when patches need to
wait for the next -rc. At a minimum:
- Last -rc for new feature submissions:
@@ -70,8 +70,8 @@ wait for the next -rc. At a minimum:
- Last -rc to merge features: Deadline for merge decisions
Indicate to contributors the point at which an as yet un-applied patch
set will need to wait for the NEXT+1 merge window. Of course there is no
- obligation to ever except any given patchset, but if the review has not
- concluded by this point the expectation the contributor should wait and
+ obligation to ever accept any given patchset, but if the review has not
+ concluded by this point the expectation is the contributor should wait and
resubmit for the following merge window.
Optional:
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index e1c355e84edd..eaabc3134294 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -620,7 +620,7 @@ because the CPUs that the Linux kernel supports don't do writes
until they are certain (1) that the write will actually happen, (2)
of the location of the write, and (3) of the value to be written.
But please carefully read the "CONTROL DEPENDENCIES" section and the
-Documentation/RCU/rcu_dereference.txt file: The compiler can and does
+Documentation/RCU/rcu_dereference.rst file: The compiler can and does
break dependencies in a great many highly creative ways.
CPU 1 CPU 2
diff --git a/Documentation/misc-devices/index.rst b/Documentation/misc-devices/index.rst
index c1dcd2628911..1ecc05fbe6f4 100644
--- a/Documentation/misc-devices/index.rst
+++ b/Documentation/misc-devices/index.rst
@@ -21,4 +21,5 @@ fit into other categories.
lis3lv02d
max6875
mic/index
+ uacce
xilinx_sdfec
diff --git a/Documentation/networking/6pack.txt b/Documentation/networking/6pack.rst
index 8f339428fdf4..bc5bf1f1a98f 100644
--- a/Documentation/networking/6pack.txt
+++ b/Documentation/networking/6pack.rst
@@ -1,27 +1,36 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+6pack Protocol
+==============
+
This is the 6pack-mini-HOWTO, written by
Andreas Könsgen DG3KQ
-Internet: ajk@comnets.uni-bremen.de
-AMPR-net: dg3kq@db0pra.ampr.org
-AX.25: dg3kq@db0ach.#nrw.deu.eu
+
+:Internet: ajk@comnets.uni-bremen.de
+:AMPR-net: dg3kq@db0pra.ampr.org
+:AX.25: dg3kq@db0ach.#nrw.deu.eu
Last update: April 7, 1998
1. What is 6pack, and what are the advantages to KISS?
+======================================================
6pack is a transmission protocol for data exchange between the PC and
the TNC over a serial line. It can be used as an alternative to KISS.
6pack has two major advantages:
+
- The PC is given full control over the radio
channel. Special control data is exchanged between the PC and the TNC so
that the PC knows at any time if the TNC is receiving data, if a TNC
buffer underrun or overrun has occurred, if the PTT is
set and so on. This control data is processed at a higher priority than
normal data, so a data stream can be interrupted at any time to issue an
- important event. This helps to improve the channel access and timing
- algorithms as everything is computed in the PC. It would even be possible
- to experiment with something completely different from the known CSMA and
+ important event. This helps to improve the channel access and timing
+ algorithms as everything is computed in the PC. It would even be possible
+ to experiment with something completely different from the known CSMA and
DAMA channel access methods.
This kind of real-time control is especially important to supply several
TNCs that are connected between each other and the PC by a daisy chain
@@ -36,6 +45,7 @@ More details about 6pack are described in the file 6pack.ps that is located
in the doc directory of the AX.25 utilities package.
2. Who has developed the 6pack protocol?
+========================================
The 6pack protocol has been developed by Ekki Plicht DF4OR, Henning Rech
DF9IC and Gunter Jost DK7WJ. A driver for 6pack, written by Gunter Jost and
@@ -44,12 +54,14 @@ They have also written a firmware for TNCs to perform the 6pack
protocol (see section 4 below).
3. Where can I get the latest version of 6pack for LinuX?
+=========================================================
At the moment, the 6pack stuff can obtained via anonymous ftp from
db0bm.automation.fh-aachen.de. In the directory /incoming/dg3kq,
there is a file named 6pack.tgz.
4. Preparing the TNC for 6pack operation
+========================================
To be able to use 6pack, a special firmware for the TNC is needed. The EPROM
of a newly bought TNC does not contain 6pack, so you will have to
@@ -75,12 +87,14 @@ and the status LED are lit for about a second if the firmware initialises
the TNC correctly.
5. Building and installing the 6pack driver
+===========================================
The driver has been tested with kernel version 2.1.90. Use with older
kernels may lead to a compilation error because the interface to a kernel
function has been changed in the 2.1.8x kernels.
How to turn on 6pack support:
+=============================
- In the linux kernel configuration program, select the code maturity level
options menu and turn on the prompting for development drivers.
@@ -94,27 +108,28 @@ To use the driver, the kissattach program delivered with the AX.25 utilities
has to be modified.
- Do a cd to the directory that holds the kissattach sources. Edit the
- kissattach.c file. At the top, insert the following lines:
+ kissattach.c file. At the top, insert the following lines::
+
+ #ifndef N_6PACK
+ #define N_6PACK (N_AX25+1)
+ #endif
- #ifndef N_6PACK
- #define N_6PACK (N_AX25+1)
- #endif
+ Then find the line:
- Then find the line
-
- int disc = N_AX25;
+ int disc = N_AX25;
and replace N_AX25 by N_6PACK.
- Recompile kissattach. Rename it to spattach to avoid confusions.
Installing the driver:
+----------------------
-- Do an insmod 6pack. Look at your /var/log/messages file to check if the
+- Do an insmod 6pack. Look at your /var/log/messages file to check if the
module has printed its initialization message.
- Do a spattach as you would launch kissattach when starting a KISS port.
- Check if the kernel prints the message '6pack: TNC found'.
+ Check if the kernel prints the message '6pack: TNC found'.
- From here, everything should work as if you were setting up a KISS port.
The only difference is that the network device that represents
@@ -138,6 +153,7 @@ from the PC to the TNC over the serial line, the status LED if data is
sent to the PC.
6. Known problems
+=================
When testing the driver with 2.0.3x kernels and
operating with data rates on the radio channel of 9600 Baud or higher,
diff --git a/Documentation/networking/altera_tse.txt b/Documentation/networking/altera_tse.rst
index 50b8589d12fd..7a7040072e58 100644
--- a/Documentation/networking/altera_tse.txt
+++ b/Documentation/networking/altera_tse.rst
@@ -1,6 +1,12 @@
- Altera Triple-Speed Ethernet MAC driver
+.. SPDX-License-Identifier: GPL-2.0
-Copyright (C) 2008-2014 Altera Corporation
+.. include:: <isonum.txt>
+
+=======================================
+Altera Triple-Speed Ethernet MAC driver
+=======================================
+
+Copyright |copy| 2008-2014 Altera Corporation
This is the driver for the Altera Triple-Speed Ethernet (TSE) controllers
using the SGDMA and MSGDMA soft DMA IP components. The driver uses the
@@ -46,23 +52,33 @@ Jumbo frames are not supported at this time.
The driver limits PHY operations to 10/100Mbps, and has not yet been fully
tested for 1Gbps. This support will be added in a future maintenance update.
-1) Kernel Configuration
+1. Kernel Configuration
+=======================
+
The kernel configuration option is ALTERA_TSE:
+
Device Drivers ---> Network device support ---> Ethernet driver support --->
Altera Triple-Speed Ethernet MAC support (ALTERA_TSE)
-2) Driver parameters list:
- debug: message level (0: no output, 16: all);
- dma_rx_num: Number of descriptors in the RX list (default is 64);
- dma_tx_num: Number of descriptors in the TX list (default is 64).
+2. Driver parameters list
+=========================
+
+ - debug: message level (0: no output, 16: all);
+ - dma_rx_num: Number of descriptors in the RX list (default is 64);
+ - dma_tx_num: Number of descriptors in the TX list (default is 64).
+
+3. Command line options
+=======================
+
+Driver parameters can be also passed in command line by using::
-3) Command line options
-Driver parameters can be also passed in command line by using:
altera_tse=dma_rx_num:128,dma_tx_num:512
-4) Driver information and notes
+4. Driver information and notes
+===============================
-4.1) Transmit process
+4.1. Transmit process
+---------------------
When the driver's transmit routine is called by the kernel, it sets up a
transmit descriptor by calling the underlying DMA transmit routine (SGDMA or
MSGDMA), and initiates a transmit operation. Once the transmit is complete, an
@@ -70,7 +86,8 @@ interrupt is driven by the transmit DMA logic. The driver handles the transmit
completion in the context of the interrupt handling chain by recycling
resource required to send and track the requested transmit operation.
-4.2) Receive process
+4.2. Receive process
+--------------------
The driver will post receive buffers to the receive DMA logic during driver
initialization. Receive buffers may or may not be queued depending upon the
underlying DMA logic (MSGDMA is able queue receive buffers, SGDMA is not able
@@ -79,34 +96,39 @@ received, the DMA logic generates an interrupt. The driver handles a receive
interrupt by obtaining the DMA receive logic status, reaping receive
completions until no more receive completions are available.
-4.3) Interrupt Mitigation
+4.3. Interrupt Mitigation
+-------------------------
The driver is able to mitigate the number of its DMA interrupts
using NAPI for receive operations. Interrupt mitigation is not yet supported
for transmit operations, but will be added in a future maintenance release.
4.4) Ethtool support
+--------------------
Ethtool is supported. Driver statistics and internal errors can be taken using:
ethtool -S ethX command. It is possible to dump registers etc.
4.5) PHY Support
+----------------
The driver is compatible with PAL to work with PHY and GPHY devices.
4.7) List of source files:
- o Kconfig
- o Makefile
- o altera_tse_main.c: main network device driver
- o altera_tse_ethtool.c: ethtool support
- o altera_tse.h: private driver structure and common definitions
- o altera_msgdma.h: MSGDMA implementation function definitions
- o altera_sgdma.h: SGDMA implementation function definitions
- o altera_msgdma.c: MSGDMA implementation
- o altera_sgdma.c: SGDMA implementation
- o altera_sgdmahw.h: SGDMA register and descriptor definitions
- o altera_msgdmahw.h: MSGDMA register and descriptor definitions
- o altera_utils.c: Driver utility functions
- o altera_utils.h: Driver utility function definitions
-
-5) Debug Information
+--------------------------
+ - Kconfig
+ - Makefile
+ - altera_tse_main.c: main network device driver
+ - altera_tse_ethtool.c: ethtool support
+ - altera_tse.h: private driver structure and common definitions
+ - altera_msgdma.h: MSGDMA implementation function definitions
+ - altera_sgdma.h: SGDMA implementation function definitions
+ - altera_msgdma.c: MSGDMA implementation
+ - altera_sgdma.c: SGDMA implementation
+ - altera_sgdmahw.h: SGDMA register and descriptor definitions
+ - altera_msgdmahw.h: MSGDMA register and descriptor definitions
+ - altera_utils.c: Driver utility functions
+ - altera_utils.h: Driver utility function definitions
+
+5. Debug Information
+====================
The driver exports debug information such as internal statistics,
debug information, MAC and DMA registers etc.
@@ -118,17 +140,18 @@ or sees the MAC registers: e.g. using: ethtool -d ethX
The developer can also use the "debug" module parameter to get
further debug information.
-6) Statistics Support
+6. Statistics Support
+=====================
The controller and driver support a mix of IEEE standard defined statistics,
RFC defined statistics, and driver or Altera defined statistics. The four
specifications containing the standard definitions for these statistics are
as follows:
- o IEEE 802.3-2012 - IEEE Standard for Ethernet.
- o RFC 2863 found at http://www.rfc-editor.org/rfc/rfc2863.txt.
- o RFC 2819 found at http://www.rfc-editor.org/rfc/rfc2819.txt.
- o Altera Triple Speed Ethernet User Guide, found at http://www.altera.com
+ - IEEE 802.3-2012 - IEEE Standard for Ethernet.
+ - RFC 2863 found at http://www.rfc-editor.org/rfc/rfc2863.txt.
+ - RFC 2819 found at http://www.rfc-editor.org/rfc/rfc2819.txt.
+ - Altera Triple Speed Ethernet User Guide, found at http://www.altera.com
The statistics supported by the TSE and the device driver are as follows:
diff --git a/Documentation/networking/arcnet-hardware.txt b/Documentation/networking/arcnet-hardware.rst
index 731de411513c..ac249ac8fcf2 100644
--- a/Documentation/networking/arcnet-hardware.txt
+++ b/Documentation/networking/arcnet-hardware.rst
@@ -1,11 +1,15 @@
-
------------------------------------------------------------------------------
-1) This file is a supplement to arcnet.txt. Please read that for general
- driver configuration help.
------------------------------------------------------------------------------
-2) This file is no longer Linux-specific. It should probably be moved out of
- the kernel sources. Ideas?
------------------------------------------------------------------------------
+.. SPDX-License-Identifier: GPL-2.0
+
+===============
+ARCnet Hardware
+===============
+
+.. note::
+
+ 1) This file is a supplement to arcnet.txt. Please read that for general
+ driver configuration help.
+ 2) This file is no longer Linux-specific. It should probably be moved out
+ of the kernel sources. Ideas?
Because so many people (myself included) seem to have obtained ARCnet cards
without manuals, this file contains a quick introduction to ARCnet hardware,
@@ -14,8 +18,8 @@ e-mail apenwarr@worldvisions.ca with any settings for your particular card,
or any other information you have!
-INTRODUCTION TO ARCNET
-----------------------
+Introduction to ARCnet
+======================
ARCnet is a network type which works in a way similar to popular Ethernet
networks but which is also different in some very important ways.
@@ -30,7 +34,7 @@ since I only have the 2.5 Mbps variety. It is probably not going to saturate
your 100 Mbps card. Stop complaining. :)
You also cannot connect an ARCnet card to any kind of Ethernet card and
-expect it to work.
+expect it to work.
There are two "types" of ARCnet - STAR topology and BUS topology. This
refers to how the cards are meant to be wired together. According to most
@@ -71,19 +75,24 @@ although they are generally kept down to the Ethernet-style 1500 bytes.
For more information on the advantages and disadvantages (mostly the
advantages) of ARCnet networks, you might try the "ARCnet Trade Association"
WWW page:
+
http://www.arcnet.com
-CABLING ARCNET NETWORKS
------------------------
+Cabling ARCnet Networks
+=======================
+
+This section was rewritten by
+
+ Vojtech Pavlik <vojtech@suse.cz>
-This section was rewritten by
- Vojtech Pavlik <vojtech@suse.cz>
using information from several people, including:
- Avery Pennraun <apenwarr@worldvisions.ca>
- Stephen A. Wood <saw@hallc1.cebaf.gov>
- John Paul Morrison <jmorriso@bogomips.ee.ubc.ca>
- Joachim Koenig <jojo@repas.de>
+
+ - Avery Pennraun <apenwarr@worldvisions.ca>
+ - Stephen A. Wood <saw@hallc1.cebaf.gov>
+ - John Paul Morrison <jmorriso@bogomips.ee.ubc.ca>
+ - Joachim Koenig <jojo@repas.de>
+
and Avery touched it up a bit, at Vojtech's request.
ARCnet (the classic 2.5 Mbps version) can be connected by two different
@@ -103,13 +112,13 @@ equal to a high impedance one with a terminator installed.
Usually, the ARCnet networks are built up from STAR cards and hubs. There
are two types of hubs - active and passive. Passive hubs are small boxes
-with four BNC connectors containing four 47 Ohm resistors:
+with four BNC connectors containing four 47 Ohm resistors::
- | | wires
- R + junction
--R-+-R- R 47 Ohm resistors
- R
- |
+ | | wires
+ R + junction
+ -R-+-R- R 47 Ohm resistors
+ R
+ |
The shielding is connected together. Active hubs are much more complicated;
they are powered and contain electronics to amplify the signal and send it
@@ -127,14 +136,15 @@ And now to the cabling. What you can connect together:
2. A card to a passive hub. Remember that all unused connectors on the hub
must be properly terminated with 93 Ohm (or something else if you don't
have the right ones) terminators.
- (Avery's note: oops, I didn't know that. Mine (TV cable) works
+
+ (Avery's note: oops, I didn't know that. Mine (TV cable) works
anyway, though.)
3. A card to an active hub. Here is no need to terminate the unused
connectors except some kind of aesthetic feeling. But, there may not be
more than eleven active hubs between any two computers. That of course
doesn't limit the number of active hubs on the network.
-
+
4. An active hub to another.
5. An active hub to passive hub.
@@ -142,22 +152,22 @@ And now to the cabling. What you can connect together:
Remember that you cannot connect two passive hubs together. The power loss
implied by such a connection is too high for the net to operate reliably.
-An example of a typical ARCnet network:
+An example of a typical ARCnet network::
- R S - STAR type card
+ R S - STAR type card
S------H--------A-------S R - Terminator
- | | H - Hub
- | | A - Active hub
- | S----H----S
- S |
- |
- S
-
+ | | H - Hub
+ | | A - Active hub
+ | S----H----S
+ S |
+ |
+ S
+
The BUS topology is very similar to the one used by Ethernet. The only
difference is in cable and terminators: they should be 93 Ohm. Ethernet
uses 50 Ohm impedance. You use T connectors to put the computers on a single
line of cable, the bus. You have to put terminators at both ends of the
-cable. A typical BUS ARCnet network looks like:
+cable. A typical BUS ARCnet network looks like::
RT----T------T------T------T------TR
B B B B B B
@@ -168,63 +178,63 @@ cable. A typical BUS ARCnet network looks like:
But that is not all! The two types can be connected together. According to
the official documentation the only way of connecting them is using an active
-hub:
+hub::
- A------T------T------TR
- | B B B
+ A------T------T------TR
+ | B B B
S---H---S
- |
- S
+ |
+ S
The official docs also state that you can use STAR cards at the ends of
-BUS network in place of a BUS card and a terminator:
+BUS network in place of a BUS card and a terminator::
S------T------T------S
- B B
+ B B
But, according to my own experiments, you can simply hang a BUS type card
anywhere in middle of a cable in a STAR topology network. And more - you
can use the bus card in place of any star card if you use a terminator. Then
you can build very complicated networks fulfilling all your needs! An
-example:
-
- S
- |
- RT------T-------T------H------S
- B B B |
- | R
- S------A------T-------T-------A-------H------TR
- | B B | | B
- | S BT |
- | | | S----A-----S
- S------H---A----S | |
- | | S------T----H---S |
- S S B R S
-
+example::
+
+ S
+ |
+ RT------T-------T------H------S
+ B B B |
+ | R
+ S------A------T-------T-------A-------H------TR
+ | B B | | B
+ | S BT |
+ | | | S----A-----S
+ S------H---A----S | |
+ | | S------T----H---S |
+ S S B R S
+
A basically different cabling scheme is used with Twisted Pair cabling. Each
of the TP cards has two RJ (phone-cord style) connectors. The cards are
then daisy-chained together using a cable connecting every two neighboring
cards. The ends are terminated with RJ 93 Ohm terminators which plug into
-the empty connectors of cards on the ends of the chain. An example:
+the empty connectors of cards on the ends of the chain. An example::
- ___________ ___________
- _R_|_ _|_|_ _|_R_
- | | | | | |
- |Card | |Card | |Card |
- |_____| |_____| |_____|
+ ___________ ___________
+ _R_|_ _|_|_ _|_R_
+ | | | | | |
+ |Card | |Card | |Card |
+ |_____| |_____| |_____|
There are also hubs for the TP topology. There is nothing difficult
involved in using them; you just connect a TP chain to a hub on any end or
-even at both. This way you can create almost any network configuration.
+even at both. This way you can create almost any network configuration.
The maximum of 11 hubs between any two computers on the net applies here as
-well. An example:
+well. An example::
RP-------P--------P--------H-----P------P-----PR
- |
+ |
RP-----H--------P--------H-----P------PR
- | |
- PR PR
+ | |
+ PR PR
R - RJ Terminator
P - TP Card
@@ -234,11 +244,13 @@ Like any network, ARCnet has a limited cable length. These are the maximum
cable lengths between two active ends (an active end being an active hub or
a STAR card).
+ ========== ======= ===========
RG-62 93 Ohm up to 650 m
RG-59/U 75 Ohm up to 457 m
RG-11/U 75 Ohm up to 533 m
IBM Type 1 150 Ohm up to 200 m
IBM Type 3 100 Ohm up to 100 m
+ ========== ======= ===========
The maximum length of all cables connected to a passive hub is limited to 65
meters for RG-62 cabling; less for others. You can see that using passive
@@ -248,8 +260,8 @@ most distant points of the net is limited to 3000 meters. The maximum length
of a TP cable between two cards/hubs is 650 meters.
-SETTING THE JUMPERS
--------------------
+Setting the Jumpers
+===================
All ARCnet cards should have a total of four or five different settings:
@@ -261,43 +273,51 @@ All ARCnet cards should have a total of four or five different settings:
eating net connections on my system (at least) otherwise. My guess is
this may be because, if your card is at 0x2E0, probing for a serial port
at 0x2E8 will reset the card and probably mess things up royally.
+
- Avery's favourite: 0x300.
- the IRQ: on 8-bit cards, it might be 2 (9), 3, 4, 5, or 7.
- on 16-bit cards, it might be 2 (9), 3, 4, 5, 7, or 10-15.
-
+ on 16-bit cards, it might be 2 (9), 3, 4, 5, 7, or 10-15.
+
Make sure this is different from any other card on your system. Note
that IRQ2 is the same as IRQ9, as far as Linux is concerned. You can
"cat /proc/interrupts" for a somewhat complete list of which ones are in
use at any given time. Here is a list of common usages from Vojtech
Pavlik <vojtech@suse.cz>:
- ("Not on bus" means there is no way for a card to generate this
+
+ ("Not on bus" means there is no way for a card to generate this
interrupt)
- IRQ 0 - Timer 0 (Not on bus)
- IRQ 1 - Keyboard (Not on bus)
- IRQ 2 - IRQ Controller 2 (Not on bus, nor does interrupt the CPU)
- IRQ 3 - COM2
- IRQ 4 - COM1
- IRQ 5 - FREE (LPT2 if you have it; sometimes COM3; maybe PLIP)
- IRQ 6 - Floppy disk controller
- IRQ 7 - FREE (LPT1 if you don't use the polling driver; PLIP)
- IRQ 8 - Realtime Clock Interrupt (Not on bus)
- IRQ 9 - FREE (VGA vertical sync interrupt if enabled)
- IRQ 10 - FREE
- IRQ 11 - FREE
- IRQ 12 - FREE
- IRQ 13 - Numeric Coprocessor (Not on bus)
- IRQ 14 - Fixed Disk Controller
- IRQ 15 - FREE (Fixed Disk Controller 2 if you have it)
-
- Note: IRQ 9 is used on some video cards for the "vertical retrace"
- interrupt. This interrupt would have been handy for things like
- video games, as it occurs exactly once per screen refresh, but
- unfortunately IBM cancelled this feature starting with the original
- VGA and thus many VGA/SVGA cards do not support it. For this
- reason, no modern software uses this interrupt and it can almost
- always be safely disabled, if your video card supports it at all.
-
+
+ ====== =========================================================
+ IRQ 0 Timer 0 (Not on bus)
+ IRQ 1 Keyboard (Not on bus)
+ IRQ 2 IRQ Controller 2 (Not on bus, nor does interrupt the CPU)
+ IRQ 3 COM2
+ IRQ 4 COM1
+ IRQ 5 FREE (LPT2 if you have it; sometimes COM3; maybe PLIP)
+ IRQ 6 Floppy disk controller
+ IRQ 7 FREE (LPT1 if you don't use the polling driver; PLIP)
+ IRQ 8 Realtime Clock Interrupt (Not on bus)
+ IRQ 9 FREE (VGA vertical sync interrupt if enabled)
+ IRQ 10 FREE
+ IRQ 11 FREE
+ IRQ 12 FREE
+ IRQ 13 Numeric Coprocessor (Not on bus)
+ IRQ 14 Fixed Disk Controller
+ IRQ 15 FREE (Fixed Disk Controller 2 if you have it)
+ ====== =========================================================
+
+
+ .. note::
+
+ IRQ 9 is used on some video cards for the "vertical retrace"
+ interrupt. This interrupt would have been handy for things like
+ video games, as it occurs exactly once per screen refresh, but
+ unfortunately IBM cancelled this feature starting with the original
+ VGA and thus many VGA/SVGA cards do not support it. For this
+ reason, no modern software uses this interrupt and it can almost
+ always be safely disabled, if your video card supports it at all.
+
If your card for some reason CANNOT disable this IRQ (usually there
is a jumper), one solution would be to clip the printed circuit
contact on the board: it's the fourth contact from the left on the
@@ -308,14 +328,18 @@ All ARCnet cards should have a total of four or five different settings:
- the memory address: Unlike most cards, ARCnets use "shared memory" for
copying buffers around. Make SURE it doesn't conflict with any other
used memory in your system!
+
+ ::
+
A0000 - VGA graphics memory (ok if you don't have VGA)
- B0000 - Monochrome text mode
- C0000 \ One of these is your VGA BIOS - usually C0000.
- E0000 /
- F0000 - System BIOS
+ B0000 - Monochrome text mode
+ C0000 \ One of these is your VGA BIOS - usually C0000.
+ E0000 /
+ F0000 - System BIOS
Anything less than 0xA0000 is, well, a BAD idea since it isn't above
640k.
+
- Avery's favourite: 0xD0000
- the station address: Every ARCnet card has its own "unique" network
@@ -326,6 +350,7 @@ All ARCnet cards should have a total of four or five different settings:
neat stuff will probably happen if you DO use them). By the way, if you
haven't already guessed, don't set this the same as any other ARCnet on
your network!
+
- Avery's favourite: 3 and 4. Not that it matters.
- There may be ETS1 and ETS2 settings. These may or may not make a
@@ -336,28 +361,34 @@ All ARCnet cards should have a total of four or five different settings:
requirement here is that all cards on the network with ETS1 and ETS2
jumpers have them in the same position. Chris Hindy <chrish@io.org>
sent in a chart with actual values for this:
+
+ ======= ======= =============== ====================
ET1 ET2 Response Time Reconfiguration Time
- --- --- ------------- --------------------
+ ======= ======= =============== ====================
open open 74.7us 840us
open closed 283.4us 1680us
closed open 561.8us 1680us
closed closed 1118.6us 1680us
-
+ ======= ======= =============== ====================
+
Make sure you set ETS1 and ETS2 to the SAME VALUE for all cards on your
network.
-
-Also, on many cards (not mine, though) there are red and green LED's.
+
+Also, on many cards (not mine, though) there are red and green LED's.
Vojtech Pavlik <vojtech@suse.cz> tells me this is what they mean:
+
+ =============== =============== =====================================
GREEN RED Status
- ----- --- ------
+ =============== =============== =====================================
OFF OFF Power off
OFF Short flashes Cabling problems (broken cable or not
- terminated)
+ terminated)
OFF (short) ON Card init
ON ON Normal state - everything OK, nothing
- happens
+ happens
ON Long flashes Data transfer
ON OFF Never happens (maybe when wrong ID)
+ =============== =============== =====================================
The following is all the specific information people have sent me about
@@ -366,7 +397,7 @@ huge amounts of duplicated information. I have no time to fix it. If you
want to, PLEASE DO! Just send me a 'diff -u' of all your changes.
The model # is listed right above specifics for that card, so you should be
-able to use your text viewer's "search" function to find the entry you want.
+able to use your text viewer's "search" function to find the entry you want.
If you don't KNOW what kind of card you have, try looking through the
various diagrams to see if you can tell.
@@ -378,8 +409,9 @@ model that is, please e-mail me to say so.
Cards Listed in this file (in this order, mostly):
+ =============== ======================= ====
Manufacturer Model # Bits
- ------------ ------- ----
+ =============== ======================= ====
SMC PC100 8
SMC PC110 8
SMC PC120 8
@@ -404,17 +436,19 @@ Cards Listed in this file (in this order, mostly):
No Name Taiwan R.O.C? 8
No Name Model 9058 8
Tiara Tiara Lancard? 8
-
+ =============== ======================= ====
-** SMC = Standard Microsystems Corp.
-** CNet Tech = CNet Technology, Inc.
+* SMC = Standard Microsystems Corp.
+* CNet Tech = CNet Technology, Inc.
Unclassified Stuff
-------------------
+==================
+
- Please send any other information you can find.
-
- - And some other stuff (more info is welcome!):
+
+ - And some other stuff (more info is welcome!)::
+
From: root@ultraworld.xs4all.nl (Timo Hilbrink)
To: apenwarr@foxnet.net (Avery Pennarun)
Date: Wed, 26 Oct 1994 02:10:32 +0000 (GMT)
@@ -423,7 +457,7 @@ Unclassified Stuff
[...parts deleted...]
About the jumpers: On my PC130 there is one more jumper, located near the
- cable-connector and it's for changing to star or bus topology;
+ cable-connector and it's for changing to star or bus topology;
closed: star - open: bus
On the PC500 are some more jumper-pins, one block labeled with RX,PDN,TXI
and another with ALE,LA17,LA18,LA19 these are undocumented..
@@ -432,136 +466,130 @@ Unclassified Stuff
--- CUT ---
+Standard Microsystems Corp (SMC)
+================================
+
+PC100, PC110, PC120, PC130 (8-bit cards) and PC500, PC600 (16-bit cards)
+------------------------------------------------------------------------
-** Standard Microsystems Corp (SMC) **
-PC100, PC110, PC120, PC130 (8-bit cards)
-PC500, PC600 (16-bit cards)
----------------------------------
- mainly from Avery Pennarun <apenwarr@worldvisions.ca>. Values depicted
are from Avery's setup.
- special thanks to Timo Hilbrink <timoh@xs4all.nl> for noting that PC120,
- 130, 500, and 600 all have the same switches as Avery's PC100.
+ 130, 500, and 600 all have the same switches as Avery's PC100.
PC500/600 have several extra, undocumented pins though. (?)
- PC110 settings were verified by Stephen A. Wood <saw@cebaf.gov>
- Also, the JP- and S-numbers probably don't match your card exactly. Try
to find jumpers/switches with the same number of settings - it's
probably more reliable.
-
-
- JP5 [|] : : : :
-(IRQ Setting) IRQ2 IRQ3 IRQ4 IRQ5 IRQ7
- Put exactly one jumper on exactly one set of pins.
-
-
- 1 2 3 4 5 6 7 8 9 10
- S1 /----------------------------------\
-(I/O and Memory | 1 1 * 0 0 0 0 * 1 1 0 1 |
- addresses) \----------------------------------/
- |--| |--------| |--------|
- (a) (b) (m)
-
- WARNING. It's very important when setting these which way
- you're holding the card, and which way you think is '1'!
-
- If you suspect that your settings are not being made
- correctly, try reversing the direction or inverting the
- switch positions.
-
- a: The first digit of the I/O address.
- Setting Value
- ------- -----
- 00 0
- 01 1
- 10 2
- 11 3
-
- b: The second digit of the I/O address.
- Setting Value
- ------- -----
- 0000 0
- 0001 1
- 0010 2
- ... ...
- 1110 E
- 1111 F
-
- The I/O address is in the form ab0. For example, if
- a is 0x2 and b is 0xE, the address will be 0x2E0.
-
- DO NOT SET THIS LESS THAN 0x200!!!!!
-
-
- m: The first digit of the memory address.
- Setting Value
- ------- -----
- 0000 0
- 0001 1
- 0010 2
- ... ...
- 1110 E
- 1111 F
-
- The memory address is in the form m0000. For example, if
- m is D, the address will be 0xD0000.
-
- DO NOT SET THIS TO C0000, F0000, OR LESS THAN A0000!
-
- 1 2 3 4 5 6 7 8
- S2 /--------------------------\
-(Station Address) | 1 1 0 0 0 0 0 0 |
- \--------------------------/
-
- Setting Value
- ------- -----
- 00000000 00
- 10000000 01
- 01000000 02
- ...
- 01111111 FE
- 11111111 FF
-
- Note that this is binary with the digits reversed!
-
- DO NOT SET THIS TO 0 OR 255 (0xFF)!
+::
+
+ JP5 [|] : : : :
+ (IRQ Setting) IRQ2 IRQ3 IRQ4 IRQ5 IRQ7
+ Put exactly one jumper on exactly one set of pins.
+
+
+ 1 2 3 4 5 6 7 8 9 10
+ S1 /----------------------------------\
+ (I/O and Memory | 1 1 * 0 0 0 0 * 1 1 0 1 |
+ addresses) \----------------------------------/
+ |--| |--------| |--------|
+ (a) (b) (m)
+
+ WARNING. It's very important when setting these which way
+ you're holding the card, and which way you think is '1'!
+
+ If you suspect that your settings are not being made
+ correctly, try reversing the direction or inverting the
+ switch positions.
+
+ a: The first digit of the I/O address.
+ Setting Value
+ ------- -----
+ 00 0
+ 01 1
+ 10 2
+ 11 3
+
+ b: The second digit of the I/O address.
+ Setting Value
+ ------- -----
+ 0000 0
+ 0001 1
+ 0010 2
+ ... ...
+ 1110 E
+ 1111 F
+
+ The I/O address is in the form ab0. For example, if
+ a is 0x2 and b is 0xE, the address will be 0x2E0.
+
+ DO NOT SET THIS LESS THAN 0x200!!!!!
+
+
+ m: The first digit of the memory address.
+ Setting Value
+ ------- -----
+ 0000 0
+ 0001 1
+ 0010 2
+ ... ...
+ 1110 E
+ 1111 F
+
+ The memory address is in the form m0000. For example, if
+ m is D, the address will be 0xD0000.
+
+ DO NOT SET THIS TO C0000, F0000, OR LESS THAN A0000!
+
+ 1 2 3 4 5 6 7 8
+ S2 /--------------------------\
+ (Station Address) | 1 1 0 0 0 0 0 0 |
+ \--------------------------/
+
+ Setting Value
+ ------- -----
+ 00000000 00
+ 10000000 01
+ 01000000 02
+ ...
+ 01111111 FE
+ 11111111 FF
+
+ Note that this is binary with the digits reversed!
+
+ DO NOT SET THIS TO 0 OR 255 (0xFF)!
-*****************************************************************************
-** Standard Microsystems Corp (SMC) **
PC130E/PC270E (8-bit cards)
---------------------------
- - from Juergen Seifert <seifert@htwm.de>
-
-STANDARD MICROSYSTEMS CORPORATION (SMC) ARCNET(R)-PC130E/PC270E
-===============================================================
+ - from Juergen Seifert <seifert@htwm.de>
This description has been written by Juergen Seifert <seifert@htwm.de>
-using information from the following Original SMC Manual
+using information from the following Original SMC Manual
- "Configuration Guide for
- ARCNET(R)-PC130E/PC270
- Network Controller Boards
- Pub. # 900.044A
- June, 1989"
+ "Configuration Guide for ARCNET(R)-PC130E/PC270 Network
+ Controller Boards Pub. # 900.044A June, 1989"
ARCNET is a registered trademark of the Datapoint Corporation
-SMC is a registered trademark of the Standard Microsystems Corporation
+SMC is a registered trademark of the Standard Microsystems Corporation
-The PC130E is an enhanced version of the PC130 board, is equipped with a
+The PC130E is an enhanced version of the PC130 board, is equipped with a
standard BNC female connector for connection to RG-62/U coax cable.
Since this board is designed both for point-to-point connection in star
-networks and for connection to bus networks, it is downwardly compatible
+networks and for connection to bus networks, it is downwardly compatible
with all the other standard boards designed for coax networks (that is,
-the PC120, PC110 and PC100 star topology boards and the PC220, PC210 and
+the PC120, PC110 and PC100 star topology boards and the PC220, PC210 and
PC200 bus topology boards).
-The PC270E is an enhanced version of the PC260 board, is equipped with two
+The PC270E is an enhanced version of the PC260 board, is equipped with two
modular RJ11-type jacks for connection to twisted pair wiring.
It can be used in a star or a daisy-chained network.
+::
- 8 7 6 5 4 3 2 1
+ 8 7 6 5 4 3 2 1
________________________________________________________________
| | S1 | |
| |_________________| |
@@ -587,27 +615,27 @@ It can be used in a star or a daisy-chained network.
| |
|_____________________________________________|
-Legend:
+Legend::
-SMC 90C63 ARCNET Controller / Transceiver /Logic
-S1 1-3: I/O Base Address Select
+ SMC 90C63 ARCNET Controller / Transceiver /Logic
+ S1 1-3: I/O Base Address Select
4-6: Memory Base Address Select
7-8: RAM Offset Select
-S2 1-8: Node ID Select
-EXT Extended Timeout Select
-ROM ROM Enable Select
-STAR Selected - Star Topology (PC130E only)
+ S2 1-8: Node ID Select
+ EXT Extended Timeout Select
+ ROM ROM Enable Select
+ STAR Selected - Star Topology (PC130E only)
Deselected - Bus Topology (PC130E only)
-CR3/CR4 Diagnostic LEDs
-J1 BNC RG62/U Connector (PC130E only)
-J1 6-position Telephone Jack (PC270E only)
-J2 6-position Telephone Jack (PC270E only)
+ CR3/CR4 Diagnostic LEDs
+ J1 BNC RG62/U Connector (PC130E only)
+ J1 6-position Telephone Jack (PC270E only)
+ J2 6-position Telephone Jack (PC270E only)
Setting one of the switches to Off/Open means "1", On/Closed means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in group S2 are used to set the node ID.
These switches work in a way similar to the PC100-series cards; see that
@@ -615,10 +643,10 @@ entry for more information.
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The first three switches in switch group S1 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -635,14 +663,16 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer requires 2K of a 16K block of RAM. The base of this
16K block can be located in any of eight positions.
Switches 4-6 of switch group S1 select the Base of the 16K block.
-Within that 16K address space, the buffer may be assigned any one of four
+Within that 16K address space, the buffer may be assigned any one of four
positions, determined by the offset, switches 7 and 8 of group S1.
+::
+
Switch | Hex RAM | Hex ROM
4 5 6 7 8 | Address | Address *)
-----------|---------|-----------
@@ -650,115 +680,111 @@ positions, determined by the offset, switches 7 and 8 of group S1.
0 0 0 0 1 | C0800 | C2000
0 0 0 1 0 | C1000 | C2000
0 0 0 1 1 | C1800 | C2000
- | |
+ | |
0 0 1 0 0 | C4000 | C6000
0 0 1 0 1 | C4800 | C6000
0 0 1 1 0 | C5000 | C6000
0 0 1 1 1 | C5800 | C6000
- | |
+ | |
0 1 0 0 0 | CC000 | CE000
0 1 0 0 1 | CC800 | CE000
0 1 0 1 0 | CD000 | CE000
0 1 0 1 1 | CD800 | CE000
- | |
+ | |
0 1 1 0 0 | D0000 | D2000 (Manufacturer's default)
0 1 1 0 1 | D0800 | D2000
0 1 1 1 0 | D1000 | D2000
0 1 1 1 1 | D1800 | D2000
- | |
+ | |
1 0 0 0 0 | D4000 | D6000
1 0 0 0 1 | D4800 | D6000
1 0 0 1 0 | D5000 | D6000
1 0 0 1 1 | D5800 | D6000
- | |
+ | |
1 0 1 0 0 | D8000 | DA000
1 0 1 0 1 | D8800 | DA000
1 0 1 1 0 | D9000 | DA000
1 0 1 1 1 | D9800 | DA000
- | |
+ | |
1 1 0 0 0 | DC000 | DE000
1 1 0 0 1 | DC800 | DE000
1 1 0 1 0 | DD000 | DE000
1 1 0 1 1 | DD800 | DE000
- | |
+ | |
1 1 1 0 0 | E0000 | E2000
1 1 1 0 1 | E0800 | E2000
1 1 1 1 0 | E1000 | E2000
1 1 1 1 1 | E1800 | E2000
-
-*) To enable the 8K Boot PROM install the jumper ROM.
- The default is jumper ROM not installed.
+
+ *) To enable the 8K Boot PROM install the jumper ROM.
+ The default is jumper ROM not installed.
Setting the Timeouts and Interrupt
-----------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The jumpers labeled EXT1 and EXT2 are used to determine the timeout
+The jumpers labeled EXT1 and EXT2 are used to determine the timeout
parameters. These two jumpers are normally left open.
To select a hardware interrupt level set one (only one!) of the jumpers
IRQ2, IRQ3, IRQ4, IRQ5, IRQ7. The Manufacturer's default is IRQ2.
-
+
Configuring the PC130E for Star or Bus Topology
------------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The single jumper labeled STAR is used to configure the PC130E board for
+The single jumper labeled STAR is used to configure the PC130E board for
star or bus topology.
-When the jumper is installed, the board may be used in a star network, when
+When the jumper is installed, the board may be used in a star network, when
it is removed, the board can be used in a bus topology.
Diagnostic LEDs
----------------
+^^^^^^^^^^^^^^^
Two diagnostic LEDs are visible on the rear bracket of the board.
The green LED monitors the network activity: the red one shows the
-board activity:
+board activity::
Green | Status Red | Status
-------|------------------- ---------|-------------------
on | normal activity flash/on | data transfer
blink | reconfiguration off | no data transfer;
off | defective board or | incorrect memory or
- | node ID is zero | I/O address
+ | node ID is zero | I/O address
-*****************************************************************************
-
-** Standard Microsystems Corp (SMC) **
PC500/PC550 Longboard (16-bit cards)
--------------------------------------
+------------------------------------
+
- from Juergen Seifert <seifert@htwm.de>
-STANDARD MICROSYSTEMS CORPORATION (SMC) ARCNET-PC500/PC550 Long Board
-=====================================================================
+ .. note::
-Note: There is another Version of the PC500 called Short Version, which
+ There is another Version of the PC500 called Short Version, which
is different in hard- and software! The most important differences
are:
+
- The long board has no Shared memory.
- On the long board the selection of the interrupt is done by binary
- coded switch, on the short board directly by jumper.
-
+ coded switch, on the short board directly by jumper.
+
[Avery's note: pay special attention to that: the long board HAS NO SHARED
-MEMORY. This means the current Linux-ARCnet driver can't use these cards.
+MEMORY. This means the current Linux-ARCnet driver can't use these cards.
I have obtained a PC500Longboard and will be doing some experiments on it in
the future, but don't hold your breath. Thanks again to Juergen Seifert for
his advice about this!]
This description has been written by Juergen Seifert <seifert@htwm.de>
-using information from the following Original SMC Manual
+using information from the following Original SMC Manual
- "Configuration Guide for
- SMC ARCNET-PC500/PC550
- Series Network Controller Boards
- Pub. # 900.033 Rev. A
- November, 1989"
+ "Configuration Guide for SMC ARCNET-PC500/PC550
+ Series Network Controller Boards Pub. # 900.033 Rev. A
+ November, 1989"
ARCNET is a registered trademark of the Datapoint Corporation
-SMC is a registered trademark of the Standard Microsystems Corporation
+SMC is a registered trademark of the Standard Microsystems Corporation
The PC500 is equipped with a standard BNC female connector for connection
to RG-62/U coax cable.
@@ -769,7 +795,9 @@ The PC550 is equipped with two modular RJ11-type jacks for connection
to twisted pair wiring.
It can be used in a star or a daisy-chained (BUS) network.
- 1
+::
+
+ 1
0 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1
____________________________________________________________________
< | SW1 | | SW2 | |
@@ -796,34 +824,34 @@ It can be used in a star or a daisy-chained (BUS) network.
> | | |
<____| |_____________________________________________|
-Legend:
+Legend::
-SW1 1-6: I/O Base Address Select
+ SW1 1-6: I/O Base Address Select
7-10: Interrupt Select
-SW2 1-6: Reserved for Future Use
-SW3 1-8: Node ID Select
-JP2 1-4: Extended Timeout Select
-JP6 Selected - Star Topology (PC500 only)
+ SW2 1-6: Reserved for Future Use
+ SW3 1-8: Node ID Select
+ JP2 1-4: Extended Timeout Select
+ JP6 Selected - Star Topology (PC500 only)
Deselected - Bus Topology (PC500 only)
-CR3 Green Monitors Network Activity
-CR4 Red Monitors Board Activity
-J1 BNC RG62/U Connector (PC500 only)
-J1 6-position Telephone Jack (PC550 only)
-J2 6-position Telephone Jack (PC550 only)
+ CR3 Green Monitors Network Activity
+ CR4 Red Monitors Board Activity
+ J1 BNC RG62/U Connector (PC500 only)
+ J1 6-position Telephone Jack (PC550 only)
+ J2 6-position Telephone Jack (PC550 only)
Setting one of the switches to Off/Open means "1", On/Closed means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in group SW3 are used to set the node ID. Each node
-attached to the network must have an unique node ID which must be
+attached to the network must have an unique node ID which must be
different from 0.
Switch 1 serves as the least significant bit (LSB).
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Value
-------|-------
@@ -836,30 +864,30 @@ These values are:
7 | 64
8 | 128
-Some Examples:
+Some Examples::
- Switch | Hex | Decimal
+ Switch | Hex | Decimal
8 7 6 5 4 3 2 1 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
- 1 1 1 1 1 1 1 1 | FF | 255
+ 1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The first six switches in switch group SW1 are used to select one
-of 32 possible I/O Base addresses using the following table
+of 32 possible I/O Base addresses using the following table::
Switch | Hex I/O
6 5 4 3 2 1 | Address
@@ -899,16 +927,18 @@ of 32 possible I/O Base addresses using the following table
Setting the Interrupt
----------------------
+^^^^^^^^^^^^^^^^^^^^^
-Switches seven through ten of switch group SW1 are used to select the
-interrupt level. The interrupt level is binary coded, so selections
+Switches seven through ten of switch group SW1 are used to select the
+interrupt level. The interrupt level is binary coded, so selections
from 0 to 15 would be possible, but only the following eight values will
be supported: 3, 4, 5, 7, 9, 10, 11, 12.
+::
+
Switch | IRQ
- 10 9 8 7 |
- ---------|--------
+ 10 9 8 7 |
+ ---------|--------
0 0 1 1 | 3
0 1 0 0 | 4
0 1 0 1 | 5
@@ -919,52 +949,50 @@ be supported: 3, 4, 5, 7, 9, 10, 11, 12.
1 1 0 0 | 12
-Setting the Timeouts
---------------------
+Setting the Timeouts
+^^^^^^^^^^^^^^^^^^^^
-The two jumpers JP2 (1-4) are used to determine the timeout parameters.
+The two jumpers JP2 (1-4) are used to determine the timeout parameters.
These two jumpers are normally left open.
Refer to the COM9026 Data Sheet for alternate configurations.
Configuring the PC500 for Star or Bus Topology
-----------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The single jumper labeled JP6 is used to configure the PC500 board for
+The single jumper labeled JP6 is used to configure the PC500 board for
star or bus topology.
-When the jumper is installed, the board may be used in a star network, when
+When the jumper is installed, the board may be used in a star network, when
it is removed, the board can be used in a bus topology.
Diagnostic LEDs
----------------
+^^^^^^^^^^^^^^^
Two diagnostic LEDs are visible on the rear bracket of the board.
The green LED monitors the network activity: the red one shows the
-board activity:
+board activity::
Green | Status Red | Status
-------|------------------- ---------|-------------------
on | normal activity flash/on | data transfer
blink | reconfiguration off | no data transfer;
off | defective board or | incorrect memory or
- | node ID is zero | I/O address
+ | node ID is zero | I/O address
-*****************************************************************************
-
-** SMC **
PC710 (8-bit card)
------------------
+
- from J.S. van Oosten <jvoosten@compiler.tdcnet.nl>
-
+
Note: this data is gathered by experimenting and looking at info of other
cards. However, I'm sure I got 99% of the settings right.
The SMC710 card resembles the PC270 card, but is much more basic (i.e. no
-LEDs, RJ11 jacks, etc.) and 8 bit. Here's a little drawing:
+LEDs, RJ11 jacks, etc.) and 8 bit. Here's a little drawing::
- _______________________________________
+ _______________________________________
| +---------+ +---------+ |____
| | S2 | | S1 | |
| +---------+ +---------+ |
@@ -976,12 +1004,12 @@ LEDs, RJ11 jacks, etc.) and 8 bit. Here's a little drawing:
| +===+ |
| |
| .. JP1 +----------+ |
- | .. | big chip | |
+ | .. | big chip | |
| .. | 90C63 | |
| .. | | |
| .. +----------+ |
------- -----------
- |||||||||||||||||||||
+ |||||||||||||||||||||
The row of jumpers at JP1 actually consists of 8 jumpers, (sometimes
labelled) the same as on the PC270, from top to bottom: EXT2, EXT1, ROM,
@@ -992,71 +1020,76 @@ are swapped (S1 is the nodeaddress, S2 sets IO- and RAM-address).
I know it works when connected to a PC110 type ARCnet board.
-
+
*****************************************************************************
-** Possibly SMC **
+Possibly SMC
+============
+
LCS-8830(-T) (8 and 16-bit cards)
---------------------------------
+
- from Mathias Katzer <mkatzer@HRZ.Uni-Bielefeld.DE>
- Marek Michalkiewicz <marekm@i17linuxb.ists.pwr.wroc.pl> says the
LCS-8830 is slightly different from LCS-8830-T. These are 8 bit, BUS
only (the JP0 jumper is hardwired), and BNC only.
-
+
This is a LCS-8830-T made by SMC, I think ('SMC' only appears on one PLCC,
nowhere else, not even on the few Xeroxed sheets from the manual).
-SMC ARCnet Board Type LCS-8830-T
+SMC ARCnet Board Type LCS-8830-T::
- ------------------------------------
- | |
- | JP3 88 8 JP2 |
- | ##### | \ |
- | ##### ET1 ET2 ###|
- | 8 ###|
- | U3 SW 1 JP0 ###| Phone Jacks
- | -- ###|
- | | | |
- | | | SW2 |
- | | | |
- | | | ##### |
- | -- ##### #### BNC Connector
- | ####
- | 888888 JP1 |
- | 234567 |
- -- -------
- |||||||||||||||||||||||||||
- --------------------------
-
-
-SW1: DIP-Switches for Station Address
-SW2: DIP-Switches for Memory Base and I/O Base addresses
-
-JP0: If closed, internal termination on (default open)
-JP1: IRQ Jumpers
-JP2: Boot-ROM enabled if closed
-JP3: Jumpers for response timeout
-
-U3: Boot-ROM Socket
-
-
-ET1 ET2 Response Time Idle Time Reconfiguration Time
-
- 78 86 840
- X 285 316 1680
- X 563 624 1680
- X X 1130 1237 1680
-
-(X means closed jumper)
-
-(DIP-Switch downwards means "0")
+ ------------------------------------
+ | |
+ | JP3 88 8 JP2 |
+ | ##### | \ |
+ | ##### ET1 ET2 ###|
+ | 8 ###|
+ | U3 SW 1 JP0 ###| Phone Jacks
+ | -- ###|
+ | | | |
+ | | | SW2 |
+ | | | |
+ | | | ##### |
+ | -- ##### #### BNC Connector
+ | ####
+ | 888888 JP1 |
+ | 234567 |
+ -- -------
+ |||||||||||||||||||||||||||
+ --------------------------
+
+
+ SW1: DIP-Switches for Station Address
+ SW2: DIP-Switches for Memory Base and I/O Base addresses
+
+ JP0: If closed, internal termination on (default open)
+ JP1: IRQ Jumpers
+ JP2: Boot-ROM enabled if closed
+ JP3: Jumpers for response timeout
+
+ U3: Boot-ROM Socket
+
+
+ ET1 ET2 Response Time Idle Time Reconfiguration Time
+
+ 78 86 840
+ X 285 316 1680
+ X 563 624 1680
+ X X 1130 1237 1680
+
+ (X means closed jumper)
+
+ (DIP-Switch downwards means "0")
The station address is binary-coded with SW1.
The I/O base address is coded with DIP-Switches 6,7 and 8 of SW2:
+======== ========
Switches Base
678 Address
+======== ========
000 260-26f
100 290-29f
010 2e0-2ef
@@ -1065,19 +1098,22 @@ Switches Base
101 350-35f
011 380-38f
111 3e0-3ef
+======== ========
DIP Switches 1-5 of SW2 encode the RAM and ROM Address Range:
+======== ============= ================
Switches RAM ROM
12345 Address Range Address Range
+======== ============= ================
00000 C:0000-C:07ff C:2000-C:3fff
10000 C:0800-C:0fff
01000 C:1000-C:17ff
11000 C:1800-C:1fff
00100 C:4000-C:47ff C:6000-C:7fff
10100 C:4800-C:4fff
-01100 C:5000-C:57ff
+01100 C:5000-C:57ff
11100 C:5800-C:5fff
00010 C:C000-C:C7ff C:E000-C:ffff
10010 C:C800-C:Cfff
@@ -1094,7 +1130,7 @@ Switches RAM ROM
00101 D:8000-D:87ff D:A000-D:bfff
10101 D:8800-D:8fff
01101 D:9000-D:97ff
-11101 D:9800-D:9fff
+11101 D:9800-D:9fff
00011 D:C000-D:c7ff D:E000-D:ffff
10011 D:C800-D:cfff
01011 D:D000-D:d7ff
@@ -1103,34 +1139,37 @@ Switches RAM ROM
10111 E:0800-E:0fff
01111 E:1000-E:17ff
11111 E:1800-E:1fff
+======== ============= ================
-*****************************************************************************
+PureData Corp
+=============
-** PureData Corp **
PDI507 (8-bit card)
--------------------
+
- from Mark Rejhon <mdrejhon@magi.com> (slight modifications by Avery)
- Avery's note: I think PDI508 cards (but definitely NOT PDI508Plus cards)
are mostly the same as this. PDI508Plus cards appear to be mainly
software-configured.
Jumpers:
+
There is a jumper array at the bottom of the card, near the edge
- connector. This array is labelled J1. They control the IRQs and
- something else. Put only one jumper on the IRQ pins.
+ connector. This array is labelled J1. They control the IRQs and
+ something else. Put only one jumper on the IRQ pins.
ETS1, ETS2 are for timing on very long distance networks. See the
more general information near the top of this file.
There is a J2 jumper on two pins. A jumper should be put on them,
- since it was already there when I got the card. I don't know what
- this jumper is for though.
+ since it was already there when I got the card. I don't know what
+ this jumper is for though.
There is a two-jumper array for J3. I don't know what it is for,
- but there were already two jumpers on it when I got the card. It's
- a six pin grid in a two-by-three fashion. The jumpers were
- configured as follows:
+ but there were already two jumpers on it when I got the card. It's
+ a six pin grid in a two-by-three fashion. The jumpers were
+ configured as follows::
.-------.
o | o o |
@@ -1140,28 +1179,28 @@ Jumpers:
Carl de Billy <CARL@carainfo.com> explains J3 and J4:
- J3 Diagram:
+ J3 Diagram::
- .-------.
- o | o o |
- :-------: TWIST Technology
- o | o o |
- `-------'
- .-------.
- | o o | o
- :-------: COAX Technology
- | o o | o
- `-------'
+ .-------.
+ o | o o |
+ :-------: TWIST Technology
+ o | o o |
+ `-------'
+ .-------.
+ | o o | o
+ :-------: COAX Technology
+ | o o | o
+ `-------'
- If using coax cable in a bus topology the J4 jumper must be removed;
place it on one pin.
- - If using bus topology with twisted pair wiring move the J3
+ - If using bus topology with twisted pair wiring move the J3
jumpers so they connect the middle pin and the pins closest to the RJ11
Connectors. Also the J4 jumper must be removed; place it on one pin of
J4 jumper for storage.
- - If using star topology with twisted pair wiring move the J3
+ - If using star topology with twisted pair wiring move the J3
jumpers so they connect the middle pin and the pins closest to the RJ11
connectors.
@@ -1169,40 +1208,43 @@ Carl de Billy <CARL@carainfo.com> explains J3 and J4:
DIP Switches:
The DIP switches accessible on the accessible end of the card while
- it is installed, is used to set the ARCnet address. There are 8
- switches. Use an address from 1 to 254.
+ it is installed, is used to set the ARCnet address. There are 8
+ switches. Use an address from 1 to 254
- Switch No.
- 12345678 ARCnet address
- -----------------------------------------
+ ========== =========================
+ Switch No. ARCnet address
+ 12345678
+ ========== =========================
00000000 FF (Don't use this!)
00000001 FE
00000010 FD
- ....
- 11111101 2
+ ...
+ 11111101 2
11111110 1
11111111 0 (Don't use this!)
+ ========== =========================
There is another array of eight DIP switches at the top of the
- card. There are five labelled MS0-MS4 which seem to control the
- memory address, and another three labelled IO0-IO2 which seem to
- control the base I/O address of the card.
+ card. There are five labelled MS0-MS4 which seem to control the
+ memory address, and another three labelled IO0-IO2 which seem to
+ control the base I/O address of the card.
This was difficult to test by trial and error, and the I/O addresses
- are in a weird order. This was tested by setting the DIP switches,
- rebooting the computer, and attempting to load ARCETHER at various
- addresses (mostly between 0x200 and 0x400). The address that caused
- the red transmit LED to blink, is the one that I thought works.
+ are in a weird order. This was tested by setting the DIP switches,
+ rebooting the computer, and attempting to load ARCETHER at various
+ addresses (mostly between 0x200 and 0x400). The address that caused
+ the red transmit LED to blink, is the one that I thought works.
Also, the address 0x3D0 seem to have a special meaning, since the
- ARCETHER packet driver loaded fine, but without the red LED
- blinking. I don't know what 0x3D0 is for though. I recommend using
- an address of 0x300 since Windows may not like addresses below
- 0x300.
-
- IO Switch No.
- 210 I/O address
- -------------------------------
+ ARCETHER packet driver loaded fine, but without the red LED
+ blinking. I don't know what 0x3D0 is for though. I recommend using
+ an address of 0x300 since Windows may not like addresses below
+ 0x300.
+
+ ============= ===========
+ IO Switch No. I/O address
+ 210
+ ============= ===========
111 0x260
110 0x290
101 0x2E0
@@ -1211,29 +1253,31 @@ DIP Switches:
010 0x350
001 0x380
000 0x3E0
+ ============= ===========
The memory switches set a reserved address space of 0x1000 bytes
- (0x100 segment units, or 4k). For example if I set an address of
- 0xD000, it will use up addresses 0xD000 to 0xD100.
+ (0x100 segment units, or 4k). For example if I set an address of
+ 0xD000, it will use up addresses 0xD000 to 0xD100.
The memory switches were tested by booting using QEMM386 stealth,
- and using LOADHI to see what address automatically became excluded
- from the upper memory regions, and then attempting to load ARCETHER
- using these addresses.
+ and using LOADHI to see what address automatically became excluded
+ from the upper memory regions, and then attempting to load ARCETHER
+ using these addresses.
I recommend using an ARCnet memory address of 0xD000, and putting
- the EMS page frame at 0xC000 while using QEMM stealth mode. That
- way, you get contiguous high memory from 0xD100 almost all the way
- the end of the megabyte.
+ the EMS page frame at 0xC000 while using QEMM stealth mode. That
+ way, you get contiguous high memory from 0xD100 almost all the way
+ the end of the megabyte.
Memory Switch 0 (MS0) didn't seem to work properly when set to OFF
- on my card. It could be malfunctioning on my card. Experiment with
- it ON first, and if it doesn't work, set it to OFF. (It may be a
- modifier for the 0x200 bit?)
+ on my card. It could be malfunctioning on my card. Experiment with
+ it ON first, and if it doesn't work, set it to OFF. (It may be a
+ modifier for the 0x200 bit?)
+ ============= ============================================
MS Switch No.
43210 Memory address
- --------------------------------
+ ============= ============================================
00001 0xE100 (guessed - was not detected by QEMM)
00011 0xE000 (guessed - was not detected by QEMM)
00101 0xDD00
@@ -1250,40 +1294,36 @@ DIP Switches:
11011 0xC800 (guessed - crashes tested system)
11101 0xC500 (guessed - crashes tested system)
11111 0xC400 (guessed - crashes tested system)
-
-
-*****************************************************************************
+ ============= ============================================
+
+CNet Technology Inc. (8-bit cards)
+==================================
-** CNet Technology Inc. **
120 Series (8-bit cards)
------------------------
- from Juergen Seifert <seifert@htwm.de>
-
-CNET TECHNOLOGY INC. (CNet) ARCNET 120A SERIES
-==============================================
-
This description has been written by Juergen Seifert <seifert@htwm.de>
-using information from the following Original CNet Manual
-
- "ARCNET
- USER'S MANUAL
- for
- CN120A
- CN120AB
- CN120TP
- CN120ST
- CN120SBT
- P/N:12-01-0007
- Revision 3.00"
+using information from the following Original CNet Manual
+
+ "ARCNET USER'S MANUAL for
+ CN120A
+ CN120AB
+ CN120TP
+ CN120ST
+ CN120SBT
+ P/N:12-01-0007
+ Revision 3.00"
ARCNET is a registered trademark of the Datapoint Corporation
-P/N 120A ARCNET 8 bit XT/AT Star
-P/N 120AB ARCNET 8 bit XT/AT Bus
-P/N 120TP ARCNET 8 bit XT/AT Twisted Pair
-P/N 120ST ARCNET 8 bit XT/AT Star, Twisted Pair
-P/N 120SBT ARCNET 8 bit XT/AT Star, Bus, Twisted Pair
+- P/N 120A ARCNET 8 bit XT/AT Star
+- P/N 120AB ARCNET 8 bit XT/AT Bus
+- P/N 120TP ARCNET 8 bit XT/AT Twisted Pair
+- P/N 120ST ARCNET 8 bit XT/AT Star, Twisted Pair
+- P/N 120SBT ARCNET 8 bit XT/AT Star, Bus, Twisted Pair
+
+::
__________________________________________________________________
| |
@@ -1307,75 +1347,77 @@ P/N 120SBT ARCNET 8 bit XT/AT Star, Bus, Twisted Pair
| > SOCKET | JP 6 5 4 3 2 |o|o|o| | J1 |
| |______________| |o|o|o|o|o| |o|o|o| |_____|
|_____ |o|o|o|o|o| ______________|
- | |
- |_____________________________________________|
-
-Legend:
-
-90C65 ARCNET Probe
-S1 1-5: Base Memory Address Select
- 6-8: Base I/O Address Select
-S2 1-8: Node ID Select (ID0-ID7)
-JP1 ROM Enable Select
-JP2 IRQ2
-JP3 IRQ3
-JP4 IRQ4
-JP5 IRQ5
-JP6 IRQ7
-JP7/JP8 ET1, ET2 Timeout Parameters
-JP10/JP11 Coax / Twisted Pair Select (CN120ST/SBT only)
-JP12 Terminator Select (CN120AB/ST/SBT only)
-J1 BNC RG62/U Connector (all except CN120TP)
-J2 Two 6-position Telephone Jack (CN120TP/ST/SBT only)
+ | |
+ |_____________________________________________|
+
+Legend::
+
+ 90C65 ARCNET Probe
+ S1 1-5: Base Memory Address Select
+ 6-8: Base I/O Address Select
+ S2 1-8: Node ID Select (ID0-ID7)
+ JP1 ROM Enable Select
+ JP2 IRQ2
+ JP3 IRQ3
+ JP4 IRQ4
+ JP5 IRQ5
+ JP6 IRQ7
+ JP7/JP8 ET1, ET2 Timeout Parameters
+ JP10/JP11 Coax / Twisted Pair Select (CN120ST/SBT only)
+ JP12 Terminator Select (CN120AB/ST/SBT only)
+ J1 BNC RG62/U Connector (all except CN120TP)
+ J2 Two 6-position Telephone Jack (CN120TP/ST/SBT only)
Setting one of the switches to Off means "1", On means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW2 are used to set the node ID. Each node attached
to the network must have an unique node ID which must be different from 0.
Switch 1 (ID0) serves as the least significant bit (LSB).
-The node ID is the sum of the values of all switches set to "1"
+The node ID is the sum of the values of all switches set to "1"
These values are:
- Switch | Label | Value
- -------|-------|-------
- 1 | ID0 | 1
- 2 | ID1 | 2
- 3 | ID2 | 4
- 4 | ID3 | 8
- 5 | ID4 | 16
- 6 | ID5 | 32
- 7 | ID6 | 64
- 8 | ID7 | 128
-
-Some Examples:
-
- Switch | Hex | Decimal
+ ======= ====== =====
+ Switch Label Value
+ ======= ====== =====
+ 1 ID0 1
+ 2 ID1 2
+ 3 ID2 4
+ 4 ID3 8
+ 5 ID4 16
+ 6 ID5 32
+ 7 ID6 64
+ 8 ID7 128
+ ======= ====== =====
+
+Some Examples::
+
+ Switch | Hex | Decimal
8 7 6 5 4 3 2 1 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The last three switches in switch block SW1 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -1392,13 +1434,15 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The memory buffer (RAM) requires 2K. The base of this buffer can be
+The memory buffer (RAM) requires 2K. The base of this buffer can be
located in any of eight positions. The address of the Boot Prom is
memory base + 8K or memory base + 0x2000.
Switches 1-5 of switch block SW1 select the Memory Base address.
+::
+
Switch | Hex RAM | Hex ROM
1 2 3 4 5 | Address | Address *)
--------------------|---------|-----------
@@ -1410,22 +1454,24 @@ Switches 1-5 of switch block SW1 select the Memory Base address.
ON ON OFF ON OFF | D8000 | DA000
ON ON ON OFF OFF | DC000 | DE000
ON ON OFF OFF OFF | E0000 | E2000
-
-*) To enable the Boot ROM install the jumper JP1
-Note: Since the switches 1 and 2 are always set to ON it may be possible
+ *) To enable the Boot ROM install the jumper JP1
+
+.. note::
+
+ Since the switches 1 and 2 are always set to ON it may be possible
that they can be used to add an offset of 2K, 4K or 6K to the base
address, but this feature is not documented in the manual and I
haven't tested it yet.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
To select a hardware interrupt level install one (only one!) of the jumpers
-JP2, JP3, JP4, JP5, JP6. JP2 is the default.
+JP2, JP3, JP4, JP5, JP6. JP2 is the default::
- Jumper | IRQ
+ Jumper | IRQ
-------|-----
2 | 2
3 | 3
@@ -1435,71 +1481,66 @@ JP2, JP3, JP4, JP5, JP6. JP2 is the default.
Setting the Internal Terminator on CN120AB/TP/SBT
---------------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The jumper JP12 is used to enable the internal terminator.
+The jumper JP12 is used to enable the internal terminator::
- -----
- 0 | 0 |
+ -----
+ 0 | 0 |
----- ON | | ON
| 0 | | 0 |
| | OFF ----- OFF
| 0 | 0
-----
- Terminator Terminator
+ Terminator Terminator
disabled enabled
-
+
Selecting the Connector Type on CN120ST/SBT
--------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+::
JP10 JP11 JP10 JP11
- ----- -----
- 0 0 | 0 | | 0 |
+ ----- -----
+ 0 0 | 0 | | 0 |
----- ----- | | | |
| 0 | | 0 | | 0 | | 0 |
| | | | ----- -----
- | 0 | | 0 | 0 0
+ | 0 | | 0 | 0 0
----- -----
- Coaxial Cable Twisted Pair Cable
+ Coaxial Cable Twisted Pair Cable
(Default)
Setting the Timeout Parameters
-------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The jumpers labeled EXT1 and EXT2 are used to determine the timeout
+The jumpers labeled EXT1 and EXT2 are used to determine the timeout
parameters. These two jumpers are normally left open.
+CNet Technology Inc. (16-bit cards)
+===================================
-*****************************************************************************
-
-** CNet Technology Inc. **
160 Series (16-bit cards)
-------------------------
- from Juergen Seifert <seifert@htwm.de>
-CNET TECHNOLOGY INC. (CNet) ARCNET 160A SERIES
-==============================================
-
This description has been written by Juergen Seifert <seifert@htwm.de>
-using information from the following Original CNet Manual
+using information from the following Original CNet Manual
- "ARCNET
- USER'S MANUAL
- for
- CN160A
- CN160AB
- CN160TP
- P/N:12-01-0006
- Revision 3.00"
+ "ARCNET USER'S MANUAL for
+ CN160A CN160AB CN160TP
+ P/N:12-01-0006 Revision 3.00"
ARCNET is a registered trademark of the Datapoint Corporation
-P/N 160A ARCNET 16 bit XT/AT Star
-P/N 160AB ARCNET 16 bit XT/AT Bus
-P/N 160TP ARCNET 16 bit XT/AT Twisted Pair
+- P/N 160A ARCNET 16 bit XT/AT Star
+- P/N 160AB ARCNET 16 bit XT/AT Bus
+- P/N 160TP ARCNET 16 bit XT/AT Twisted Pair
+
+::
___________________________________________________________________
< _________________________ ___|
@@ -1526,30 +1567,30 @@ P/N 160TP ARCNET 16 bit XT/AT Twisted Pair
> | | |
<____________| |_______________________________________|
-Legend:
+Legend::
-9026 ARCNET Probe
-SW1 1-6: Base I/O Address Select
- 7-10: Base Memory Address Select
-SW2 1-8: Node ID Select (ID0-ID7)
-JP1/JP2 ET1, ET2 Timeout Parameters
-JP3-JP13 Interrupt Select
-J1 BNC RG62/U Connector (CN160A/AB only)
-J1 Two 6-position Telephone Jack (CN160TP only)
-LED
+ 9026 ARCNET Probe
+ SW1 1-6: Base I/O Address Select
+ 7-10: Base Memory Address Select
+ SW2 1-8: Node ID Select (ID0-ID7)
+ JP1/JP2 ET1, ET2 Timeout Parameters
+ JP3-JP13 Interrupt Select
+ J1 BNC RG62/U Connector (CN160A/AB only)
+ J1 Two 6-position Telephone Jack (CN160TP only)
+ LED
Setting one of the switches to Off means "1", On means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW2 are used to set the node ID. Each node attached
to the network must have an unique node ID which must be different from 0.
Switch 1 (ID0) serves as the least significant bit (LSB).
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Label | Value
-------|-------|-------
@@ -1562,32 +1603,32 @@ These values are:
7 | ID6 | 64
8 | ID7 | 128
-Some Examples:
+Some Examples::
- Switch | Hex | Decimal
+ Switch | Hex | Decimal
8 7 6 5 4 3 2 1 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The first six switches in switch block SW1 are used to select the I/O Base
-address using the following table:
+address using the following table::
- Switch | Hex I/O
+ Switch | Hex I/O
1 2 3 4 5 6 | Address
------------------------|--------
OFF ON ON OFF OFF ON | 260
@@ -1604,10 +1645,10 @@ Note: Other IO-Base addresses seem to be selectable, but only the above
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The switches 7-10 of switch block SW1 are used to select the Memory
-Base address of the RAM (2K) and the PROM.
+Base address of the RAM (2K) and the PROM::
Switch | Hex RAM | Hex ROM
7 8 9 10 | Address | Address
@@ -1616,17 +1657,19 @@ Base address of the RAM (2K) and the PROM.
OFF OFF ON OFF | D0000 | D8000 (Default)
OFF OFF OFF ON | E0000 | E8000
-Note: Other MEM-Base addresses seem to be selectable, but only the above
+.. note::
+
+ Other MEM-Base addresses seem to be selectable, but only the above
combinations are documented.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
To select a hardware interrupt level install one (only one!) of the jumpers
-JP3 through JP13 using the following table:
+JP3 through JP13 using the following table::
- Jumper | IRQ
+ Jumper | IRQ
-------|-----------------
3 | 14
4 | 15
@@ -1640,10 +1683,12 @@ JP3 through JP13 using the following table:
12 | 7
13 | 2 (=9) Default!
-Note: - Do not use JP11=IRQ6, it may conflict with your Floppy Disk
- Controller
+.. note::
+
+ - Do not use JP11=IRQ6, it may conflict with your Floppy Disk
+ Controller
- Use JP3=IRQ14 only, if you don't have an IDE-, MFM-, or RLL-
- Hard Disk, it may conflict with their controllers
+ Hard Disk, it may conflict with their controllers
Setting the Timeout Parameters
@@ -1653,14 +1698,16 @@ The jumpers labeled JP1 and JP2 are used to determine the timeout
parameters. These two jumpers are normally left open.
-*****************************************************************************
+Lantech
+=======
-** Lantech **
8-bit card, unknown model
-------------------------
- from Vlad Lungu <vlungu@ugal.ro> - his e-mail address seemed broken at
the time I tried to reach him. Sorry Vlad, if you didn't get my reply.
+::
+
________________________________________________________________
| 1 8 |
| ___________ __|
@@ -1683,25 +1730,27 @@ parameters. These two jumpers are normally left open.
| | PROM | |ooooo| JP6 |
| |____________| |ooooo| |
|_____________ _ _|
- |____________________________________________| |__|
+ |____________________________________________| |__|
UM9065L : ARCnet Controller
SW 1 : Shared Memory Address and I/O Base
- ON=0
+::
- 12345|Memory Address
- -----|--------------
- 00001| D4000
- 00010| CC000
- 00110| D0000
- 01110| D1000
- 01101| D9000
- 10010| CC800
- 10011| DC800
- 11110| D1800
+ ON=0
+
+ 12345|Memory Address
+ -----|--------------
+ 00001| D4000
+ 00010| CC000
+ 00110| D0000
+ 01110| D1000
+ 01101| D9000
+ 10010| CC800
+ 10011| DC800
+ 11110| D1800
It seems that the bits are considered in reverse order. Also, you must
observe that some of those addresses are unusual and I didn't probe them; I
@@ -1710,43 +1759,48 @@ some others that I didn't write here the card seems to conflict with the
video card (an S3 GENDAC). I leave the full decoding of those addresses to
you.
- 678| I/O Address
- ---|------------
- 000| 260
- 001| failed probe
- 010| 2E0
- 011| 380
- 100| 290
- 101| 350
- 110| failed probe
- 111| 3E0
+::
-SW 2 : Node ID (binary coded)
+ 678| I/O Address
+ ---|------------
+ 000| 260
+ 001| failed probe
+ 010| 2E0
+ 011| 380
+ 100| 290
+ 101| 350
+ 110| failed probe
+ 111| 3E0
-JP 4 : Boot PROM enable CLOSE - enabled
- OPEN - disabled
+ SW 2 : Node ID (binary coded)
-JP 6 : IRQ set (ONLY ONE jumper on 1-5 for IRQ 2-6)
+ JP 4 : Boot PROM enable CLOSE - enabled
+ OPEN - disabled
+ JP 6 : IRQ set (ONLY ONE jumper on 1-5 for IRQ 2-6)
-*****************************************************************************
-** Acer **
+Acer
+====
+
8-bit card, Model 5210-003
--------------------------
+
- from Vojtech Pavlik <vojtech@suse.cz> using portions of the existing
arcnet-hardware file.
This is a 90C26 based card. Its configuration seems similar to the SMC
PC100, but has some additional jumpers I don't know the meaning of.
- __
- | |
+::
+
+ __
+ | |
___________|__|_________________________
| | | |
| | BNC | |
| |______| ___|
- | _____________________ |___
+ | _____________________ |___
| | | |
| | Hybrid IC | |
| | | o|o J1 |
@@ -1762,51 +1816,51 @@ PC100, but has some additional jumpers I don't know the meaning of.
| _____ |
| | | _____ |
| | | | | ___|
- | | | | | |
- | _____ | ROM | | UFS | |
- | | | | | | | |
- | | | ___ | | | | |
- | | | | | |__.__| |__.__| |
- | | NCR | |XTL| _____ _____ |
- | | | |___| | | | | |
- | |90C26| | | | | |
- | | | | RAM | | UFS | |
- | | | J17 o|o | | | | |
- | | | J16 o|o | | | | |
- | |__.__| |__.__| |__.__| |
- | ___ |
- | | |8 |
- | |SW2| |
- | | | |
- | |___|1 |
- | ___ |
- | | |10 J18 o|o |
- | | | o|o |
- | |SW1| o|o |
- | | | J21 o|o |
- | |___|1 |
- | |
- |____________________________________|
-
-
-Legend:
-
-90C26 ARCNET Chip
-XTL 20 MHz Crystal
-SW1 1-6 Base I/O Address Select
- 7-10 Memory Address Select
-SW2 1-8 Node ID Select (ID0-ID7)
-J1-J5 IRQ Select
-J6-J21 Unknown (Probably extra timeouts & ROM enable ...)
-LED1 Activity LED
-BNC Coax connector (STAR ARCnet)
-RAM 2k of SRAM
-ROM Boot ROM socket
-UFS Unidentified Flying Sockets
+ | | | | | |
+ | _____ | ROM | | UFS | |
+ | | | | | | | |
+ | | | ___ | | | | |
+ | | | | | |__.__| |__.__| |
+ | | NCR | |XTL| _____ _____ |
+ | | | |___| | | | | |
+ | |90C26| | | | | |
+ | | | | RAM | | UFS | |
+ | | | J17 o|o | | | | |
+ | | | J16 o|o | | | | |
+ | |__.__| |__.__| |__.__| |
+ | ___ |
+ | | |8 |
+ | |SW2| |
+ | | | |
+ | |___|1 |
+ | ___ |
+ | | |10 J18 o|o |
+ | | | o|o |
+ | |SW1| o|o |
+ | | | J21 o|o |
+ | |___|1 |
+ | |
+ |____________________________________|
+
+
+Legend::
+
+ 90C26 ARCNET Chip
+ XTL 20 MHz Crystal
+ SW1 1-6 Base I/O Address Select
+ 7-10 Memory Address Select
+ SW2 1-8 Node ID Select (ID0-ID7)
+ J1-J5 IRQ Select
+ J6-J21 Unknown (Probably extra timeouts & ROM enable ...)
+ LED1 Activity LED
+ BNC Coax connector (STAR ARCnet)
+ RAM 2k of SRAM
+ ROM Boot ROM socket
+ UFS Unidentified Flying Sockets
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW2 are used to set the node ID. Each node attached
to the network must have an unique node ID which must not be 0.
@@ -1815,7 +1869,7 @@ Switch 1 (ID0) serves as the least significant bit (LSB).
Setting one of the switches to OFF means "1", ON means "0".
The node ID is the sum of the values of all switches set to "1"
-These values are:
+These values are::
Switch | Value
-------|-------
@@ -1832,40 +1886,40 @@ Don't set this to 0 or 255; these values are reserved.
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The switches 1 to 6 of switch block SW1 are used to select one
-of 32 possible I/O Base addresses using the following tables
-
- | Hex
+of 32 possible I/O Base addresses using the following tables::
+
+ | Hex
Switch | Value
-------|-------
- 1 | 200
- 2 | 100
- 3 | 80
- 4 | 40
- 5 | 20
- 6 | 10
+ 1 | 200
+ 2 | 100
+ 3 | 80
+ 4 | 40
+ 5 | 20
+ 6 | 10
The I/O address is sum of all switches set to "1". Remember that
the I/O address space bellow 0x200 is RESERVED for mainboard, so
-switch 1 should be ALWAYS SET TO OFF.
+switch 1 should be ALWAYS SET TO OFF.
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer (RAM) requires 2K. The base of this buffer can be
located in any of sixteen positions. However, the addresses below
A0000 are likely to cause system hang because there's main RAM.
-Jumpers 7-10 of switch block SW1 select the Memory Base address.
+Jumpers 7-10 of switch block SW1 select the Memory Base address::
Switch | Hex RAM
7 8 9 10 | Address
----------------|---------
OFF OFF OFF OFF | F0000 (conflicts with main BIOS)
- OFF OFF OFF ON | E0000
+ OFF OFF OFF ON | E0000
OFF OFF ON OFF | D0000
OFF OFF ON ON | C0000 (conflicts with video BIOS)
OFF ON OFF OFF | B0000 (conflicts with mono video)
@@ -1873,10 +1927,10 @@ Jumpers 7-10 of switch block SW1 select the Memory Base address.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
-Jumpers 1-5 of the jumper block J1 control the IRQ level. ON means
-shorted, OFF means open.
+Jumpers 1-5 of the jumper block J1 control the IRQ level. ON means
+shorted, OFF means open::
Jumper | IRQ
1 2 3 4 5 |
@@ -1889,65 +1943,67 @@ shorted, OFF means open.
Unknown jumpers & sockets
--------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^
I know nothing about these. I just guess that J16&J17 are timeout
jumpers and maybe one of J18-J21 selects ROM. Also J6-J10 and
J11-J15 are connecting IRQ2-7 to some pins on the UFSs. I can't
guess the purpose.
+Datapoint?
+==========
-*****************************************************************************
-
-** Datapoint? **
LAN-ARC-8, an 8-bit card
------------------------
+
- from Vojtech Pavlik <vojtech@suse.cz>
This is another SMC 90C65-based ARCnet card. I couldn't identify the
manufacturer, but it might be DataPoint, because the card has the
original arcNet logo in its upper right corner.
- _______________________________________________________
- | _________ |
- | | SW2 | ON arcNet |
- | |_________| OFF ___|
- | _____________ 1 ______ 8 | | 8
- | | | SW1 | XTAL | ____________ | S |
- | > RAM (2k) | |______|| | | W |
- | |_____________| | H | | 3 |
- | _________|_____ y | |___| 1
- | _________ | | |b | |
- | |_________| | | |r | |
- | | SMC | |i | |
- | | 90C65| |d | |
- | _________ | | | | |
- | | SW1 | ON | | |I | |
- | |_________| OFF |_________|_____/C | _____|
- | 1 8 | | | |___
- | ______________ | | | BNC |___|
- | | | |____________| |_____|
- | > EPROM SOCKET | _____________ |
- | |______________| |_____________| |
- | ______________|
- | |
- |________________________________________|
-
-Legend:
-
-90C65 ARCNET Chip
-SW1 1-5: Base Memory Address Select
- 6-8: Base I/O Address Select
-SW2 1-8: Node ID Select
-SW3 1-5: IRQ Select
- 6-7: Extra Timeout
- 8 : ROM Enable
-BNC Coax connector
-XTAL 20 MHz Crystal
+::
+
+ _______________________________________________________
+ | _________ |
+ | | SW2 | ON arcNet |
+ | |_________| OFF ___|
+ | _____________ 1 ______ 8 | | 8
+ | | | SW1 | XTAL | ____________ | S |
+ | > RAM (2k) | |______|| | | W |
+ | |_____________| | H | | 3 |
+ | _________|_____ y | |___| 1
+ | _________ | | |b | |
+ | |_________| | | |r | |
+ | | SMC | |i | |
+ | | 90C65| |d | |
+ | _________ | | | | |
+ | | SW1 | ON | | |I | |
+ | |_________| OFF |_________|_____/C | _____|
+ | 1 8 | | | |___
+ | ______________ | | | BNC |___|
+ | | | |____________| |_____|
+ | > EPROM SOCKET | _____________ |
+ | |______________| |_____________| |
+ | ______________|
+ | |
+ |________________________________________|
+
+Legend::
+
+ 90C65 ARCNET Chip
+ SW1 1-5: Base Memory Address Select
+ 6-8: Base I/O Address Select
+ SW2 1-8: Node ID Select
+ SW3 1-5: IRQ Select
+ 6-7: Extra Timeout
+ 8 : ROM Enable
+ BNC Coax connector
+ XTAL 20 MHz Crystal
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW3 are used to set the node ID. Each node attached
to the network must have an unique node ID which must not be 0.
@@ -1955,8 +2011,8 @@ Switch 1 serves as the least significant bit (LSB).
Setting one of the switches to Off means "1", On means "0".
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Value
-------|-------
@@ -1971,10 +2027,10 @@ These values are:
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The last three switches in switch block SW1 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -1991,13 +2047,16 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The memory buffer (RAM) requires 2K. The base of this buffer can be
+The memory buffer (RAM) requires 2K. The base of this buffer can be
located in any of eight positions. The address of the Boot Prom is
memory base + 0x2000.
+
Jumpers 3-5 of switch block SW1 select the Memory Base address.
+::
+
Switch | Hex RAM | Hex ROM
1 2 3 4 5 | Address | Address *)
--------------------|---------|-----------
@@ -2009,16 +2068,16 @@ Jumpers 3-5 of switch block SW1 select the Memory Base address.
ON ON OFF ON OFF | D8000 | DA000
ON ON ON OFF OFF | DC000 | DE000
ON ON OFF OFF OFF | E0000 | E2000
-
-*) To enable the Boot ROM set the switch 8 of switch block SW3 to position ON.
+
+ *) To enable the Boot ROM set the switch 8 of switch block SW3 to position ON.
The switches 1 and 2 probably add 0x0800 and 0x1000 to RAM base address.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
-Switches 1-5 of the switch block SW3 control the IRQ level.
+Switches 1-5 of the switch block SW3 control the IRQ level::
Jumper | IRQ
1 2 3 4 5 |
@@ -2031,64 +2090,67 @@ Switches 1-5 of the switch block SW3 control the IRQ level.
Setting the Timeout Parameters
-------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The switches 6-7 of the switch block SW3 are used to determine the timeout
parameters. These two switches are normally left in the OFF position.
-*****************************************************************************
+Topware
+=======
-** Topware **
8-bit card, TA-ARC/10
--------------------------
+---------------------
+
- from Vojtech Pavlik <vojtech@suse.cz>
This is another very similar 90C65 card. Most of the switches and jumpers
are the same as on other clones.
- _____________________________________________________________________
-| ___________ | | ______ |
-| |SW2 NODE ID| | | | XTAL | |
-| |___________| | Hybrid IC | |______| |
-| ___________ | | __|
-| |SW1 MEM+I/O| |_________________________| LED1|__|)
-| |___________| 1 2 |
-| J3 |o|o| TIMEOUT ______|
-| ______________ |o|o| | |
-| | | ___________________ | RJ |
-| > EPROM SOCKET | | \ |------|
-|J2 |______________| | | | |
-||o| | | |______|
-||o| ROM ENABLE | SMC | _________ |
-| _____________ | 90C65 | |_________| _____|
-| | | | | | |___
-| > RAM (2k) | | | | BNC |___|
-| |_____________| | | |_____|
-| |____________________| |
-| ________ IRQ 2 3 4 5 7 ___________ |
-||________| |o|o|o|o|o| |___________| |
-|________ J1|o|o|o|o|o| ______________|
- | |
- |_____________________________________________|
-
-Legend:
-
-90C65 ARCNET Chip
-XTAL 20 MHz Crystal
-SW1 1-5 Base Memory Address Select
- 6-8 Base I/O Address Select
-SW2 1-8 Node ID Select (ID0-ID7)
-J1 IRQ Select
-J2 ROM Enable
-J3 Extra Timeout
-LED1 Activity LED
-BNC Coax connector (BUS ARCnet)
-RJ Twisted Pair Connector (daisy chain)
+::
+
+ _____________________________________________________________________
+ | ___________ | | ______ |
+ | |SW2 NODE ID| | | | XTAL | |
+ | |___________| | Hybrid IC | |______| |
+ | ___________ | | __|
+ | |SW1 MEM+I/O| |_________________________| LED1|__|)
+ | |___________| 1 2 |
+ | J3 |o|o| TIMEOUT ______|
+ | ______________ |o|o| | |
+ | | | ___________________ | RJ |
+ | > EPROM SOCKET | | \ |------|
+ |J2 |______________| | | | |
+ ||o| | | |______|
+ ||o| ROM ENABLE | SMC | _________ |
+ | _____________ | 90C65 | |_________| _____|
+ | | | | | | |___
+ | > RAM (2k) | | | | BNC |___|
+ | |_____________| | | |_____|
+ | |____________________| |
+ | ________ IRQ 2 3 4 5 7 ___________ |
+ ||________| |o|o|o|o|o| |___________| |
+ |________ J1|o|o|o|o|o| ______________|
+ | |
+ |_____________________________________________|
+
+Legend::
+
+ 90C65 ARCNET Chip
+ XTAL 20 MHz Crystal
+ SW1 1-5 Base Memory Address Select
+ 6-8 Base I/O Address Select
+ SW2 1-8 Node ID Select (ID0-ID7)
+ J1 IRQ Select
+ J2 ROM Enable
+ J3 Extra Timeout
+ LED1 Activity LED
+ BNC Coax connector (BUS ARCnet)
+ RJ Twisted Pair Connector (daisy chain)
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW2 are used to set the node ID. Each node attached to
the network must have an unique node ID which must not be 0. Switch 1 (ID0)
@@ -2097,7 +2159,7 @@ serves as the least significant bit (LSB).
Setting one of the switches to Off means "1", On means "0".
The node ID is the sum of the values of all switches set to "1"
-These values are:
+These values are::
Switch | Label | Value
-------|-------|-------
@@ -2111,10 +2173,10 @@ These values are:
8 | ID7 | 128
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The last three switches in switch block SW1 are used to select one
-of eight possible I/O Base addresses using the following table:
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -2122,7 +2184,7 @@ of eight possible I/O Base addresses using the following table:
------------|--------
ON ON ON | 260 (Manufacturer's default)
OFF ON ON | 290
- ON OFF ON | 2E0
+ ON OFF ON | 2E0
OFF OFF ON | 2F0
ON ON OFF | 300
OFF ON OFF | 350
@@ -2131,35 +2193,38 @@ of eight possible I/O Base addresses using the following table:
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer (RAM) requires 2K. The base of this buffer can be
located in any of eight positions. The address of the Boot Prom is
memory base + 0x2000.
+
Jumpers 3-5 of switch block SW1 select the Memory Base address.
+::
+
Switch | Hex RAM | Hex ROM
1 2 3 4 5 | Address | Address *)
--------------------|---------|-----------
ON ON ON ON ON | C0000 | C2000
- ON ON OFF ON ON | C4000 | C6000 (Manufacturer's default)
+ ON ON OFF ON ON | C4000 | C6000 (Manufacturer's default)
ON ON ON OFF ON | CC000 | CE000
- ON ON OFF OFF ON | D0000 | D2000
+ ON ON OFF OFF ON | D0000 | D2000
ON ON ON ON OFF | D4000 | D6000
ON ON OFF ON OFF | D8000 | DA000
ON ON ON OFF OFF | DC000 | DE000
ON ON OFF OFF OFF | E0000 | E2000
-*) To enable the Boot ROM short the jumper J2.
+ *) To enable the Boot ROM short the jumper J2.
The jumpers 1 and 2 probably add 0x0800 and 0x1000 to RAM address.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
Jumpers 1-5 of the jumper block J1 control the IRQ level. ON means
-shorted, OFF means open.
+shorted, OFF means open::
Jumper | IRQ
1 2 3 4 5 |
@@ -2172,19 +2237,21 @@ shorted, OFF means open.
Setting the Timeout Parameters
-------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The jumpers J3 are used to set the timeout parameters. These two
+The jumpers J3 are used to set the timeout parameters. These two
jumpers are normally left open.
-
-*****************************************************************************
+Thomas-Conrad
+=============
-** Thomas-Conrad **
Model #500-6242-0097 REV A (8-bit card)
---------------------------------------
+
- from Lars Karlsson <100617.3473@compuserve.com>
+::
+
________________________________________________________
| ________ ________ |_____
| |........| |........| |
@@ -2194,11 +2261,11 @@ Model #500-6242-0097 REV A (8-bit card)
| address | |
| ______ switch | |
| | | | |
- | | | |___|
+ | | | |___|
| | | ______ |___._
| |______| |______| ____| BNC
| Jumper- _____| Connector
- | Main chip block _ __| '
+ | Main chip block _ __| '
| | | | RJ Connector
| |_| | with 110 Ohm
| |__ Terminator
@@ -2208,46 +2275,49 @@ Model #500-6242-0097 REV A (8-bit card)
| |___________| |_____| |__
| Boot PROM socket IRQ-jumpers |_ Diagnostic
|________ __ _| LED (red)
- | | | | | | | | | | | | | | | | | | | | | |
- | | | | | | | | | | | | | | | | | | | | |________|
- |
- |
+ | | | | | | | | | | | | | | | | | | | | | |
+ | | | | | | | | | | | | | | | | | | | | |________|
+ |
+ |
And here are the settings for some of the switches and jumpers on the cards.
+::
- I/O
+ I/O
- 1 2 3 4 5 6 7 8
+ 1 2 3 4 5 6 7 8
-2E0----- 0 0 0 1 0 0 0 1
-2F0----- 0 0 0 1 0 0 0 0
-300----- 0 0 0 0 1 1 1 1
-350----- 0 0 0 0 1 1 1 0
+ 2E0----- 0 0 0 1 0 0 0 1
+ 2F0----- 0 0 0 1 0 0 0 0
+ 300----- 0 0 0 0 1 1 1 1
+ 350----- 0 0 0 0 1 1 1 0
"0" in the above example means switch is off "1" means that it is on.
+::
- ShMem address.
+ ShMem address.
- 1 2 3 4 5 6 7 8
+ 1 2 3 4 5 6 7 8
-CX00--0 0 1 1 | | |
-DX00--0 0 1 0 |
-X000--------- 1 1 |
-X400--------- 1 0 |
-X800--------- 0 1 |
-XC00--------- 0 0
-ENHANCED----------- 1
-COMPATIBLE--------- 0
+ CX00--0 0 1 1 | | |
+ DX00--0 0 1 0 |
+ X000--------- 1 1 |
+ X400--------- 1 0 |
+ X800--------- 0 1 |
+ XC00--------- 0 0
+ ENHANCED----------- 1
+ COMPATIBLE--------- 0
+::
- IRQ
+ IRQ
- 3 4 5 7 2
- . . . . .
- . . . . .
+ 3 4 5 7 2
+ . . . . .
+ . . . . .
There is a DIP-switch with 8 switches, used to set the shared memory address
@@ -2266,10 +2336,9 @@ varies by the type of card involved. I fail to see how either of these
enhance anything. Send me more detailed information about this mode, or
just use "compatible" mode instead.]
+Waterloo Microsystems Inc. ??
+=============================
-*****************************************************************************
-
-** Waterloo Microsystems Inc. ?? **
8-bit card (C) 1985
-------------------
- from Robert Michael Best <rmb117@cs.usask.ca>
@@ -2283,103 +2352,104 @@ e-mail me.]
The probe has not been able to detect the card on any of the J2 settings,
and I tried them again with the "Waterloo" chip removed.
-
- _____________________________________________________________________
-| \/ \/ ___ __ __ |
-| C4 C4 |^| | M || ^ ||^| |
-| -- -- |_| | 5 || || | C3 |
-| \/ \/ C10 |___|| ||_| |
-| C4 C4 _ _ | | ?? |
-| -- -- | \/ || | |
-| | || | |
-| | || C1 | |
-| | || | \/ _____|
-| | C6 || | C9 | |___
-| | || | -- | BNC |___|
-| | || | >C7| |_____|
-| | || | |
-| __ __ |____||_____| 1 2 3 6 |
-|| ^ | >C4| |o|o|o|o|o|o| J2 >C4| |
-|| | |o|o|o|o|o|o| |
-|| C2 | >C4| >C4| |
-|| | >C8| |
-|| | 2 3 4 5 6 7 IRQ >C4| |
-||_____| |o|o|o|o|o|o| J3 |
-|_______ |o|o|o|o|o|o| _______________|
- | |
- |_____________________________________________|
-
-C1 -- "COM9026
- SMC 8638"
- In a chip socket.
-
-C2 -- "@Copyright
- Waterloo Microsystems Inc.
- 1985"
- In a chip Socket with info printed on a label covering a round window
- showing the circuit inside. (The window indicates it is an EPROM chip.)
-
-C3 -- "COM9032
- SMC 8643"
- In a chip socket.
-
-C4 -- "74LS"
- 9 total no sockets.
-
-M5 -- "50006-136
- 20.000000 MHZ
- MTQ-T1-S3
- 0 M-TRON 86-40"
- Metallic case with 4 pins, no socket.
-
-C6 -- "MOSTEK@TC8643
- MK6116N-20
- MALAYSIA"
- No socket.
-
-C7 -- No stamp or label but in a 20 pin chip socket.
-
-C8 -- "PAL10L8CN
- 8623"
- In a 20 pin socket.
-
-C9 -- "PAl16R4A-2CN
- 8641"
- In a 20 pin socket.
-
-C10 -- "M8640
- NMC
- 9306N"
- In an 8 pin socket.
-
-?? -- Some components on a smaller board and attached with 20 pins all
- along the side closest to the BNC connector. The are coated in a dark
- resin.
-
-On the board there are two jumper banks labeled J2 and J3. The
-manufacturer didn't put a J1 on the board. The two boards I have both
+
+::
+
+ _____________________________________________________________________
+ | \/ \/ ___ __ __ |
+ | C4 C4 |^| | M || ^ ||^| |
+ | -- -- |_| | 5 || || | C3 |
+ | \/ \/ C10 |___|| ||_| |
+ | C4 C4 _ _ | | ?? |
+ | -- -- | \/ || | |
+ | | || | |
+ | | || C1 | |
+ | | || | \/ _____|
+ | | C6 || | C9 | |___
+ | | || | -- | BNC |___|
+ | | || | >C7| |_____|
+ | | || | |
+ | __ __ |____||_____| 1 2 3 6 |
+ || ^ | >C4| |o|o|o|o|o|o| J2 >C4| |
+ || | |o|o|o|o|o|o| |
+ || C2 | >C4| >C4| |
+ || | >C8| |
+ || | 2 3 4 5 6 7 IRQ >C4| |
+ ||_____| |o|o|o|o|o|o| J3 |
+ |_______ |o|o|o|o|o|o| _______________|
+ | |
+ |_____________________________________________|
+
+ C1 -- "COM9026
+ SMC 8638"
+ In a chip socket.
+
+ C2 -- "@Copyright
+ Waterloo Microsystems Inc.
+ 1985"
+ In a chip Socket with info printed on a label covering a round window
+ showing the circuit inside. (The window indicates it is an EPROM chip.)
+
+ C3 -- "COM9032
+ SMC 8643"
+ In a chip socket.
+
+ C4 -- "74LS"
+ 9 total no sockets.
+
+ M5 -- "50006-136
+ 20.000000 MHZ
+ MTQ-T1-S3
+ 0 M-TRON 86-40"
+ Metallic case with 4 pins, no socket.
+
+ C6 -- "MOSTEK@TC8643
+ MK6116N-20
+ MALAYSIA"
+ No socket.
+
+ C7 -- No stamp or label but in a 20 pin chip socket.
+
+ C8 -- "PAL10L8CN
+ 8623"
+ In a 20 pin socket.
+
+ C9 -- "PAl16R4A-2CN
+ 8641"
+ In a 20 pin socket.
+
+ C10 -- "M8640
+ NMC
+ 9306N"
+ In an 8 pin socket.
+
+ ?? -- Some components on a smaller board and attached with 20 pins all
+ along the side closest to the BNC connector. The are coated in a dark
+ resin.
+
+On the board there are two jumper banks labeled J2 and J3. The
+manufacturer didn't put a J1 on the board. The two boards I have both
came with a jumper box for each bank.
-J2 -- Numbered 1 2 3 4 5 6.
- 4 and 5 are not stamped due to solder points.
-
-J3 -- IRQ 2 3 4 5 6 7
+::
+
+ J2 -- Numbered 1 2 3 4 5 6.
+ 4 and 5 are not stamped due to solder points.
+
+ J3 -- IRQ 2 3 4 5 6 7
-The board itself has a maple leaf stamped just above the irq jumpers
-and "-2 46-86" beside C2. Between C1 and C6 "ASS 'Y 300163" and "@1986
+The board itself has a maple leaf stamped just above the irq jumpers
+and "-2 46-86" beside C2. Between C1 and C6 "ASS 'Y 300163" and "@1986
CORMAN CUSTOM ELECTRONICS CORP." stamped just below the BNC connector.
Below that "MADE IN CANADA"
-
-*****************************************************************************
+No Name
+=======
-** No Name **
8-bit cards, 16-bit cards
-------------------------
+
- from Juergen Seifert <seifert@htwm.de>
-
-NONAME 8-BIT ARCNET
-===================
I have named this ARCnet card "NONAME", since there is no name of any
manufacturer on the Installation manual nor on the shipping box. The only
@@ -2388,8 +2458,10 @@ it is "Made in Taiwan"
This description has been written by Juergen Seifert <seifert@htwm.de>
using information from the Original
- "ARCnet Installation Manual"
+ "ARCnet Installation Manual"
+
+::
________________________________________________________________
| |STAR| BUS| T/P| |
@@ -2416,32 +2488,32 @@ using information from the Original
| \ IRQ / T T O |
|__________________1_2_M______________________|
-Legend:
+Legend::
-COM90C65: ARCnet Probe
-S1 1-8: Node ID Select
-S2 1-3: I/O Base Address Select
- 4-6: Memory Base Address Select
- 7-8: RAM Offset Select
-ET1, ET2 Extended Timeout Select
-ROM ROM Enable Select
-CN RG62 Coax Connector
-STAR| BUS | T/P Three fields for placing a sign (colored circle)
- indicating the topology of the card
+ COM90C65: ARCnet Probe
+ S1 1-8: Node ID Select
+ S2 1-3: I/O Base Address Select
+ 4-6: Memory Base Address Select
+ 7-8: RAM Offset Select
+ ET1, ET2 Extended Timeout Select
+ ROM ROM Enable Select
+ CN RG62 Coax Connector
+ STAR| BUS | T/P Three fields for placing a sign (colored circle)
+ indicating the topology of the card
Setting one of the switches to Off means "1", On means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in group SW1 are used to set the node ID.
Each node attached to the network must have an unique node ID which
must be different from 0.
Switch 8 serves as the least significant bit (LSB).
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Value
-------|-------
@@ -2454,30 +2526,30 @@ These values are:
2 | 64
1 | 128
-Some Examples:
+Some Examples::
- Switch | Hex | Decimal
+ Switch | Hex | Decimal
1 2 3 4 5 6 7 8 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The first three switches in switch group SW2 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
1 2 3 | Address
@@ -2493,7 +2565,7 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer requires 2K of a 16K block of RAM. The base of this
16K block can be located in any of eight positions.
@@ -2501,6 +2573,8 @@ Switches 4-6 of switch group SW2 select the Base of the 16K block.
Within that 16K address space, the buffer may be assigned any one of four
positions, determined by the offset, switches 7 and 8 of group SW2.
+::
+
Switch | Hex RAM | Hex ROM
4 5 6 7 8 | Address | Address *)
-----------|---------|-----------
@@ -2508,60 +2582,62 @@ positions, determined by the offset, switches 7 and 8 of group SW2.
0 0 0 0 1 | C0800 | C2000
0 0 0 1 0 | C1000 | C2000
0 0 0 1 1 | C1800 | C2000
- | |
+ | |
0 0 1 0 0 | C4000 | C6000
0 0 1 0 1 | C4800 | C6000
0 0 1 1 0 | C5000 | C6000
0 0 1 1 1 | C5800 | C6000
- | |
+ | |
0 1 0 0 0 | CC000 | CE000
0 1 0 0 1 | CC800 | CE000
0 1 0 1 0 | CD000 | CE000
0 1 0 1 1 | CD800 | CE000
- | |
+ | |
0 1 1 0 0 | D0000 | D2000 (Manufacturer's default)
0 1 1 0 1 | D0800 | D2000
0 1 1 1 0 | D1000 | D2000
0 1 1 1 1 | D1800 | D2000
- | |
+ | |
1 0 0 0 0 | D4000 | D6000
1 0 0 0 1 | D4800 | D6000
1 0 0 1 0 | D5000 | D6000
1 0 0 1 1 | D5800 | D6000
- | |
+ | |
1 0 1 0 0 | D8000 | DA000
1 0 1 0 1 | D8800 | DA000
1 0 1 1 0 | D9000 | DA000
1 0 1 1 1 | D9800 | DA000
- | |
+ | |
1 1 0 0 0 | DC000 | DE000
1 1 0 0 1 | DC800 | DE000
1 1 0 1 0 | DD000 | DE000
1 1 0 1 1 | DD800 | DE000
- | |
+ | |
1 1 1 0 0 | E0000 | E2000
1 1 1 0 1 | E0800 | E2000
1 1 1 1 0 | E1000 | E2000
1 1 1 1 1 | E1800 | E2000
-
-*) To enable the 8K Boot PROM install the jumper ROM.
- The default is jumper ROM not installed.
+
+ *) To enable the 8K Boot PROM install the jumper ROM.
+ The default is jumper ROM not installed.
Setting Interrupt Request Lines (IRQ)
--------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
To select a hardware interrupt level set one (only one!) of the jumpers
IRQ2, IRQ3, IRQ4, IRQ5 or IRQ7. The manufacturer's default is IRQ2.
-
+
Setting the Timeouts
---------------------
+^^^^^^^^^^^^^^^^^^^^
The two jumpers labeled ET1 and ET2 are used to determine the timeout
parameters (response and reconfiguration time). Every node in a network
must be set to the same timeout values.
+::
+
ET1 ET2 | Response Time (us) | Reconfiguration Time (ms)
--------|--------------------|--------------------------
Off Off | 78 | 840 (Default)
@@ -2572,8 +2648,8 @@ must be set to the same timeout values.
On means jumper installed, Off means jumper not installed
-NONAME 16-BIT ARCNET
-====================
+16-BIT ARCNET
+-------------
The manual of my 8-Bit NONAME ARCnet Card contains another description
of a 16-Bit Coax / Twisted Pair Card. This description is incomplete,
@@ -2584,13 +2660,16 @@ the booklet there is a different way of counting ... 2-9, 2-10, A-1,
Also the picture of the board layout is not as good as the picture of
8-Bit card, because there isn't any letter like "SW1" written to the
picture.
+
Should somebody have such a board, please feel free to complete this
description or to send a mail to me!
This description has been written by Juergen Seifert <seifert@htwm.de>
using information from the Original
- "ARCnet Installation Manual"
+ "ARCnet Installation Manual"
+
+::
___________________________________________________________________
< _________________ _________________ |
@@ -2622,15 +2701,15 @@ Setting one of the switches to Off means "1", On means "0".
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in group SW2 are used to set the node ID.
Each node attached to the network must have an unique node ID which
must be different from 0.
Switch 8 serves as the least significant bit (LSB).
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Value
-------|-------
@@ -2643,30 +2722,30 @@ These values are:
2 | 64
1 | 128
-Some Examples:
+Some Examples::
- Switch | Hex | Decimal
+ Switch | Hex | Decimal
1 2 3 4 5 6 7 8 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The first three switches in switch group SW1 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
3 2 1 | Address
@@ -2682,13 +2761,13 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer requires 2K of a 16K block of RAM. The base of this
16K block can be located in any of eight positions.
Switches 6-8 of switch group SW1 select the Base of the 16K block.
Within that 16K address space, the buffer may be assigned any one of four
-positions, determined by the offset, switches 4 and 5 of group SW1.
+positions, determined by the offset, switches 4 and 5 of group SW1::
Switch | Hex RAM | Hex ROM
8 7 6 5 4 | Address | Address
@@ -2697,111 +2776,111 @@ positions, determined by the offset, switches 4 and 5 of group SW1.
0 0 0 0 1 | C0800 | C2000
0 0 0 1 0 | C1000 | C2000
0 0 0 1 1 | C1800 | C2000
- | |
+ | |
0 0 1 0 0 | C4000 | C6000
0 0 1 0 1 | C4800 | C6000
0 0 1 1 0 | C5000 | C6000
0 0 1 1 1 | C5800 | C6000
- | |
+ | |
0 1 0 0 0 | CC000 | CE000
0 1 0 0 1 | CC800 | CE000
0 1 0 1 0 | CD000 | CE000
0 1 0 1 1 | CD800 | CE000
- | |
+ | |
0 1 1 0 0 | D0000 | D2000 (Manufacturer's default)
0 1 1 0 1 | D0800 | D2000
0 1 1 1 0 | D1000 | D2000
0 1 1 1 1 | D1800 | D2000
- | |
+ | |
1 0 0 0 0 | D4000 | D6000
1 0 0 0 1 | D4800 | D6000
1 0 0 1 0 | D5000 | D6000
1 0 0 1 1 | D5800 | D6000
- | |
+ | |
1 0 1 0 0 | D8000 | DA000
1 0 1 0 1 | D8800 | DA000
1 0 1 1 0 | D9000 | DA000
1 0 1 1 1 | D9800 | DA000
- | |
+ | |
1 1 0 0 0 | DC000 | DE000
1 1 0 0 1 | DC800 | DE000
1 1 0 1 0 | DD000 | DE000
1 1 0 1 1 | DD800 | DE000
- | |
+ | |
1 1 1 0 0 | E0000 | E2000
1 1 1 0 1 | E0800 | E2000
1 1 1 1 0 | E1000 | E2000
1 1 1 1 1 | E1800 | E2000
-
+
Setting Interrupt Request Lines (IRQ)
--------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
??????????????????????????????????????
Setting the Timeouts
---------------------
+^^^^^^^^^^^^^^^^^^^^
??????????????????????????????????????
-*****************************************************************************
-
-** No Name **
8-bit cards ("Made in Taiwan R.O.C.")
------------
+-------------------------------------
+
- from Vojtech Pavlik <vojtech@suse.cz>
I have named this ARCnet card "NONAME", since I got only the card with
-no manual at all and the only text identifying the manufacturer is
+no manual at all and the only text identifying the manufacturer is
"MADE IN TAIWAN R.O.C" printed on the card.
- ____________________________________________________________
- | 1 2 3 4 5 6 7 8 |
- | |o|o| JP1 o|o|o|o|o|o|o|o| ON |
- | + o|o|o|o|o|o|o|o| ___|
- | _____________ o|o|o|o|o|o|o|o| OFF _____ | | ID7
- | | | SW1 | | | | ID6
- | > RAM (2k) | ____________________ | H | | S | ID5
- | |_____________| | || y | | W | ID4
- | | || b | | 2 | ID3
- | | || r | | | ID2
- | | || i | | | ID1
- | | 90C65 || d | |___| ID0
- | SW3 | || | |
- | |o|o|o|o|o|o|o|o| ON | || I | |
- | |o|o|o|o|o|o|o|o| | || C | |
- | |o|o|o|o|o|o|o|o| OFF |____________________|| | _____|
- | 1 2 3 4 5 6 7 8 | | | |___
- | ______________ | | | BNC |___|
- | | | |_____| |_____|
- | > EPROM SOCKET | |
- | |______________| |
- | ______________|
- | |
- |_____________________________________________|
-
-Legend:
-
-90C65 ARCNET Chip
-SW1 1-5: Base Memory Address Select
- 6-8: Base I/O Address Select
-SW2 1-8: Node ID Select (ID0-ID7)
-SW3 1-5: IRQ Select
- 6-7: Extra Timeout
- 8 : ROM Enable
-JP1 Led connector
-BNC Coax connector
-
-Although the jumpers SW1 and SW3 are marked SW, not JP, they are jumpers, not
+::
+
+ ____________________________________________________________
+ | 1 2 3 4 5 6 7 8 |
+ | |o|o| JP1 o|o|o|o|o|o|o|o| ON |
+ | + o|o|o|o|o|o|o|o| ___|
+ | _____________ o|o|o|o|o|o|o|o| OFF _____ | | ID7
+ | | | SW1 | | | | ID6
+ | > RAM (2k) | ____________________ | H | | S | ID5
+ | |_____________| | || y | | W | ID4
+ | | || b | | 2 | ID3
+ | | || r | | | ID2
+ | | || i | | | ID1
+ | | 90C65 || d | |___| ID0
+ | SW3 | || | |
+ | |o|o|o|o|o|o|o|o| ON | || I | |
+ | |o|o|o|o|o|o|o|o| | || C | |
+ | |o|o|o|o|o|o|o|o| OFF |____________________|| | _____|
+ | 1 2 3 4 5 6 7 8 | | | |___
+ | ______________ | | | BNC |___|
+ | | | |_____| |_____|
+ | > EPROM SOCKET | |
+ | |______________| |
+ | ______________|
+ | |
+ |_____________________________________________|
+
+Legend::
+
+ 90C65 ARCNET Chip
+ SW1 1-5: Base Memory Address Select
+ 6-8: Base I/O Address Select
+ SW2 1-8: Node ID Select (ID0-ID7)
+ SW3 1-5: IRQ Select
+ 6-7: Extra Timeout
+ 8 : ROM Enable
+ JP1 Led connector
+ BNC Coax connector
+
+Although the jumpers SW1 and SW3 are marked SW, not JP, they are jumpers, not
switches.
-Setting the jumpers to ON means connecting the upper two pins, off the bottom
+Setting the jumpers to ON means connecting the upper two pins, off the bottom
two - or - in case of IRQ setting, connecting none of them at all.
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in SW2 are used to set the node ID. Each node attached
to the network must have an unique node ID which must not be 0.
@@ -2809,8 +2888,8 @@ Switch 1 (ID0) serves as the least significant bit (LSB).
Setting one of the switches to Off means "1", On means "0".
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
Switch | Label | Value
-------|-------|-------
@@ -2823,30 +2902,30 @@ These values are:
7 | ID6 | 64
8 | ID7 | 128
-Some Examples:
+Some Examples::
- Switch | Hex | Decimal
+ Switch | Hex | Decimal
8 7 6 5 4 3 2 1 | Node ID | Node ID
----------------|---------|---------
0 0 0 0 0 0 0 0 | not allowed
- 0 0 0 0 0 0 0 1 | 1 | 1
+ 0 0 0 0 0 0 0 1 | 1 | 1
0 0 0 0 0 0 1 0 | 2 | 2
0 0 0 0 0 0 1 1 | 3 | 3
. . . | |
0 1 0 1 0 1 0 1 | 55 | 85
. . . | |
1 0 1 0 1 0 1 0 | AA | 170
- . . . | |
+ . . . | |
1 1 1 1 1 1 0 1 | FD | 253
1 1 1 1 1 1 1 0 | FE | 254
1 1 1 1 1 1 1 1 | FF | 255
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The last three switches in switch block SW1 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -2863,13 +2942,16 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory (RAM) buffer Address
---------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The memory buffer (RAM) requires 2K. The base of this buffer can be
+The memory buffer (RAM) requires 2K. The base of this buffer can be
located in any of eight positions. The address of the Boot Prom is
memory base + 0x2000.
+
Jumpers 3-5 of jumper block SW1 select the Memory Base address.
+::
+
Switch | Hex RAM | Hex ROM
1 2 3 4 5 | Address | Address *)
--------------------|---------|-----------
@@ -2881,15 +2963,15 @@ Jumpers 3-5 of jumper block SW1 select the Memory Base address.
ON ON OFF ON OFF | D8000 | DA000
ON ON ON OFF OFF | DC000 | DE000
ON ON OFF OFF OFF | E0000 | E2000
-
-*) To enable the Boot ROM set the jumper 8 of jumper block SW3 to position ON.
+
+ *) To enable the Boot ROM set the jumper 8 of jumper block SW3 to position ON.
The jumpers 1 and 2 probably add 0x0800, 0x1000 and 0x1800 to RAM adders.
Setting the Interrupt Line
---------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^
-Jumpers 1-5 of the jumper block SW3 control the IRQ level.
+Jumpers 1-5 of the jumper block SW3 control the IRQ level::
Jumper | IRQ
1 2 3 4 5 |
@@ -2902,23 +2984,24 @@ Jumpers 1-5 of the jumper block SW3 control the IRQ level.
Setting the Timeout Parameters
-------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The jumpers 6-7 of the jumper block SW3 are used to determine the timeout
+The jumpers 6-7 of the jumper block SW3 are used to determine the timeout
parameters. These two jumpers are normally left in the OFF position.
-*****************************************************************************
-** No Name **
(Generic Model 9058)
--------------------
- from Andrew J. Kroll <ag784@freenet.buffalo.edu>
- Sorry this sat in my to-do box for so long, Andrew! (yikes - over a
year!)
- _____
- | <
- | .---'
+
+::
+
+ _____
+ | <
+ | .---'
________________________________________________________________ | |
| | SW2 | | |
| ___________ |_____________| | |
@@ -2936,7 +3019,7 @@ parameters. These two jumpers are normally left in the OFF position.
| |________________| | | : B |- | |
| 1 2 3 4 5 6 7 8 | | : O |- | |
| |_________o____|..../ A |- _______| |
- | ____________________ | R |- | |------,
+ | ____________________ | R |- | |------,
| | | | D |- | BNC | # |
| > 2764 PROM SOCKET | |__________|- |_______|------'
| |____________________| _________ | |
@@ -2945,23 +3028,24 @@ parameters. These two jumpers are normally left in the OFF position.
|___ ______________| |
|H H H H H H H H H H H H H H H H H H H H H H H| | |
|U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U_U| | |
- \|
-Legend:
+ \|
+
+Legend::
-SL90C65 ARCNET Controller / Transceiver /Logic
-SW1 1-5: IRQ Select
+ SL90C65 ARCNET Controller / Transceiver /Logic
+ SW1 1-5: IRQ Select
6: ET1
7: ET2
- 8: ROM ENABLE
-SW2 1-3: Memory Buffer/PROM Address
+ 8: ROM ENABLE
+ SW2 1-3: Memory Buffer/PROM Address
3-6: I/O Address Map
-SW3 1-8: Node ID Select
-BNC BNC RG62/U Connection
+ SW3 1-8: Node ID Select
+ BNC BNC RG62/U Connection
*I* have had success using RG59B/U with *NO* terminators!
What gives?!
SW1: Timeouts, Interrupt and ROM
----------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
To select a hardware interrupt level set one (only one!) of the dip switches
up (on) SW1...(switches 1-5)
@@ -2976,10 +3060,10 @@ are normally left off (down).
Setting the I/O Base Address
-----------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The last three switches in switch group SW2 are used to select one
-of eight possible I/O Base addresses using the following table
+of eight possible I/O Base addresses using the following table::
Switch | Hex I/O
@@ -2996,7 +3080,7 @@ of eight possible I/O Base addresses using the following table
Setting the Base Memory Address (RAM & ROM)
--------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
The memory buffer requires 2K of a 16K block of RAM. The base of this
16K block can be located in any of eight positions.
@@ -3004,13 +3088,16 @@ Switches 1-3 of switch group SW2 select the Base of the 16K block.
(0 = DOWN, 1 = UP)
I could, however, only verify two settings...
+
+::
+
Switch| Hex RAM | Hex ROM
1 2 3 | Address | Address
------|---------|-----------
0 0 0 | E0000 | E2000
0 0 1 | D0000 | D2000 (Manufacturer's default)
0 1 0 | ????? | ?????
- 0 1 1 | ????? | ?????
+ 0 1 1 | ????? | ?????
1 0 0 | ????? | ?????
1 0 1 | ????? | ?????
1 1 0 | ????? | ?????
@@ -3018,7 +3105,7 @@ I could, however, only verify two settings...
Setting the Node ID
--------------------
+^^^^^^^^^^^^^^^^^^^
The eight switches in group SW3 are used to set the node ID.
Each node attached to the network must have an unique node ID which
@@ -3026,8 +3113,9 @@ must be different from 0.
Switch 1 serves as the least significant bit (LSB).
switches in the DOWN position are OFF (0) and in the UP position are ON (1)
-The node ID is the sum of the values of all switches set to "1"
-These values are:
+The node ID is the sum of the values of all switches set to "1"
+These values are::
+
Switch | Value
-------|-------
1 | 1
@@ -3039,70 +3127,80 @@ These values are:
7 | 64
8 | 128
-Some Examples:
-
- Switch# | Hex | Decimal
-8 7 6 5 4 3 2 1 | Node ID | Node ID
-----------------|---------|---------
-0 0 0 0 0 0 0 0 | not allowed <-.
-0 0 0 0 0 0 0 1 | 1 | 1 |
-0 0 0 0 0 0 1 0 | 2 | 2 |
-0 0 0 0 0 0 1 1 | 3 | 3 |
- . . . | | |
-0 1 0 1 0 1 0 1 | 55 | 85 |
- . . . | | + Don't use 0 or 255!
-1 0 1 0 1 0 1 0 | AA | 170 |
- . . . | | |
-1 1 1 1 1 1 0 1 | FD | 253 |
-1 1 1 1 1 1 1 0 | FE | 254 |
-1 1 1 1 1 1 1 1 | FF | 255 <-'
-
+Some Examples::
-*****************************************************************************
+ Switch# | Hex | Decimal
+ 8 7 6 5 4 3 2 1 | Node ID | Node ID
+ ----------------|---------|---------
+ 0 0 0 0 0 0 0 0 | not allowed <-.
+ 0 0 0 0 0 0 0 1 | 1 | 1 |
+ 0 0 0 0 0 0 1 0 | 2 | 2 |
+ 0 0 0 0 0 0 1 1 | 3 | 3 |
+ . . . | | |
+ 0 1 0 1 0 1 0 1 | 55 | 85 |
+ . . . | | + Don't use 0 or 255!
+ 1 0 1 0 1 0 1 0 | AA | 170 |
+ . . . | | |
+ 1 1 1 1 1 1 0 1 | FD | 253 |
+ 1 1 1 1 1 1 1 0 | FE | 254 |
+ 1 1 1 1 1 1 1 1 | FF | 255 <-'
+
+
+Tiara
+=====
-** Tiara **
(model unknown)
--------------------------
+---------------
+
- from Christoph Lameter <christoph@lameter.com>
-
-
-Here is information about my card as far as I could figure it out:
------------------------------------------------ tiara
-Tiara LanCard of Tiara Computer Systems.
-
-+----------------------------------------------+
-! ! Transmitter Unit ! !
-! +------------------+ -------
-! MEM Coax Connector
-! ROM 7654321 <- I/O -------
-! : : +--------+ !
-! : : ! 90C66LJ! +++
-! : : ! ! !D Switch to set
-! : : ! ! !I the Nodenumber
-! : : +--------+ !P
-! !++
-! 234567 <- IRQ !
-+------------!!!!!!!!!!!!!!!!!!!!!!!!--------+
- !!!!!!!!!!!!!!!!!!!!!!!!
-
-0 = Jumper Installed
-1 = Open
+
+
+Here is information about my card as far as I could figure it out::
+
+
+ ----------------------------------------------- tiara
+ Tiara LanCard of Tiara Computer Systems.
+
+ +----------------------------------------------+
+ ! ! Transmitter Unit ! !
+ ! +------------------+ -------
+ ! MEM Coax Connector
+ ! ROM 7654321 <- I/O -------
+ ! : : +--------+ !
+ ! : : ! 90C66LJ! +++
+ ! : : ! ! !D Switch to set
+ ! : : ! ! !I the Nodenumber
+ ! : : +--------+ !P
+ ! !++
+ ! 234567 <- IRQ !
+ +------------!!!!!!!!!!!!!!!!!!!!!!!!--------+
+ !!!!!!!!!!!!!!!!!!!!!!!!
+
+- 0 = Jumper Installed
+- 1 = Open
Top Jumper line Bit 7 = ROM Enable 654=Memory location 321=I/O
Settings for Memory Location (Top Jumper Line)
+
+=== ================
456 Address selected
+=== ================
000 C0000
001 C4000
010 CC000
011 D0000
100 D4000
101 D8000
-110 DC000
+110 DC000
111 E0000
+=== ================
Settings for I/O Address (Top Jumper Line)
+
+=== ====
123 Port
+=== ====
000 260
001 290
010 2E0
@@ -3111,23 +3209,26 @@ Settings for I/O Address (Top Jumper Line)
101 350
110 380
111 3E0
+=== ====
Settings for IRQ Selection (Lower Jumper Line)
+
+====== =====
234567
+====== =====
011111 IRQ 2
101111 IRQ 3
110111 IRQ 4
111011 IRQ 5
111110 IRQ 7
-
-*****************************************************************************
-
+====== =====
Other Cards
------------
+===========
I have no information on other models of ARCnet cards at the moment. Please
send any and all info to:
+
apenwarr@worldvisions.ca
Thanks.
diff --git a/Documentation/networking/arcnet.txt b/Documentation/networking/arcnet.rst
index aff97f47c05c..e93d9820f0f1 100644
--- a/Documentation/networking/arcnet.txt
+++ b/Documentation/networking/arcnet.rst
@@ -1,11 +1,18 @@
-----------------------------------------------------------------------------
-NOTE: See also arcnet-hardware.txt in this directory for jumper-setting
-and cabling information if you're like many of us and didn't happen to get a
-manual with your ARCnet card.
-----------------------------------------------------------------------------
+.. SPDX-License-Identifier: GPL-2.0
+
+======
+ARCnet
+======
+
+.. note::
+
+ See also arcnet-hardware.txt in this directory for jumper-setting
+ and cabling information if you're like many of us and didn't happen to get a
+ manual with your ARCnet card.
Since no one seems to listen to me otherwise, perhaps a poem will get your
-attention:
+attention::
+
This driver's getting fat and beefy,
But my cat is still named Fifi.
@@ -24,28 +31,21 @@ Come on, be a sport! Send me a success report!
(hey, that was even better than my original poem... this is getting bad!)
---------
-WARNING:
---------
-
-If you don't e-mail me about your success/failure soon, I may be forced to
-start SINGING. And we don't want that, do we?
+.. warning::
-(You know, it might be argued that I'm pushing this point a little too much.
-If you think so, why not flame me in a quick little e-mail? Please also
-include the type of card(s) you're using, software, size of network, and
-whether it's working or not.)
+ If you don't e-mail me about your success/failure soon, I may be forced to
+ start SINGING. And we don't want that, do we?
-My e-mail address is: apenwarr@worldvisions.ca
+ (You know, it might be argued that I'm pushing this point a little too much.
+ If you think so, why not flame me in a quick little e-mail? Please also
+ include the type of card(s) you're using, software, size of network, and
+ whether it's working or not.)
+ My e-mail address is: apenwarr@worldvisions.ca
----------------------------------------------------------------------------
-
-
These are the ARCnet drivers for Linux.
-
-This new release (2.91) has been put together by David Woodhouse
+This new release (2.91) has been put together by David Woodhouse
<dwmw2@infradead.org>, in an attempt to tidy up the driver after adding support
for yet another chipset. Now the generic support has been separated from the
individual chipset drivers, and the source files aren't quite so packed with
@@ -62,12 +62,13 @@ included and seems to be working fine!
Where do I discuss these drivers?
---------------------------------
-Tomasz has been so kind as to set up a new and improved mailing list.
+Tomasz has been so kind as to set up a new and improved mailing list.
Subscribe by sending a message with the BODY "subscribe linux-arcnet YOUR
REAL NAME" to listserv@tichy.ch.uj.edu.pl. Then, to submit messages to the
list, mail to linux-arcnet@tichy.ch.uj.edu.pl.
There are archives of the mailing list at:
+
http://epistolary.org/mailman/listinfo.cgi/arcnet
The people on linux-net@vger.kernel.org (now defunct, replaced by
@@ -80,17 +81,20 @@ Other Drivers and Info
----------------------
You can try my ARCNET page on the World Wide Web at:
- http://www.qis.net/~jschmitz/arcnet/
+
+ http://www.qis.net/~jschmitz/arcnet/
Also, SMC (one of the companies that makes ARCnet cards) has a WWW site you
might be interested in, which includes several drivers for various cards
including ARCnet. Try:
+
http://www.smc.com/
-
+
Performance Technologies makes various network software that supports
ARCnet:
+
http://www.perftech.com/ or ftp to ftp.perftech.com.
-
+
Novell makes a networking stack for DOS which includes ARCnet drivers. Try
FTPing to ftp.novell.com.
@@ -99,19 +103,20 @@ one you'll want to use with ARCnet cards) from
oak.oakland.edu:/simtel/msdos/pktdrvr. It won't work perfectly on a 386+
without patches, though, and also doesn't like several cards. Fixed
versions are available on my WWW page, or via e-mail if you don't have WWW
-access.
+access.
Installing the Driver
---------------------
-All you will need to do in order to install the driver is:
+All you will need to do in order to install the driver is::
+
make config
- (be sure to choose ARCnet in the network devices
+ (be sure to choose ARCnet in the network devices
and at least one chipset driver.)
make clean
make zImage
-
+
If you obtained this ARCnet package as an upgrade to the ARCnet driver in
your current kernel, you will need to first copy arcnet.c over the one in
the linux/drivers/net directory.
@@ -125,10 +130,12 @@ There are four chipset options:
This is the normal ARCnet card, which you've probably got. This is the only
chipset driver which will autoprobe if not told where the card is.
-It following options on the command line:
+It following options on the command line::
+
com90xx=[<io>[,<irq>[,<shmem>]]][,<name>] | <name>
-If you load the chipset support as a module, the options are:
+If you load the chipset support as a module, the options are::
+
io=<io> irq=<irq> shmem=<shmem> device=<name>
To disable the autoprobe, just specify "com90xx=" on the kernel command line.
@@ -136,14 +143,17 @@ To specify the name alone, but allow autoprobe, just put "com90xx=<name>"
2. ARCnet COM20020 chipset.
-This is the new chipset from SMC with support for promiscuous mode (packet
+This is the new chipset from SMC with support for promiscuous mode (packet
sniffing), extra diagnostic information, etc. Unfortunately, there is no
sensible method of autoprobing for these cards. You must specify the I/O
address on the kernel command line.
-The command line options are:
+
+The command line options are::
+
com20020=<io>[,<irq>[,<node_ID>[,backplane[,CKP[,timeout]]]]][,name]
-If you load the chipset support as a module, the options are:
+If you load the chipset support as a module, the options are::
+
io=<io> irq=<irq> node=<node_ID> backplane=<backplane> clock=<CKP>
timeout=<timeout> device=<name>
@@ -160,8 +170,10 @@ you have a card which doesn't support shared memory, or (strangely) in case
you have so many ARCnet cards in your machine that you run out of shmem slots.
If you don't give the IO address on the kernel command line, then the driver
will not find the card.
-The command line options are:
- com90io=<io>[,<irq>][,<name>]
+
+The command line options are::
+
+ com90io=<io>[,<irq>][,<name>]
If you load the chipset support as a module, the options are:
io=<io> irq=<irq> device=<name>
@@ -169,44 +181,49 @@ If you load the chipset support as a module, the options are:
4. ARCnet RIM I cards.
These are COM90xx chips which are _completely_ memory mapped. The support for
-these is not tested. If you have one, please mail the author with a success
+these is not tested. If you have one, please mail the author with a success
report. All options must be specified, except the device name.
-Command line options:
+Command line options::
+
arcrimi=<shmem>,<irq>,<node_ID>[,<name>]
-If you load the chipset support as a module, the options are:
+If you load the chipset support as a module, the options are::
+
shmem=<shmem> irq=<irq> node=<node_ID> device=<name>
Loadable Module Support
-----------------------
-Configure and rebuild Linux. When asked, answer 'm' to "Generic ARCnet
+Configure and rebuild Linux. When asked, answer 'm' to "Generic ARCnet
support" and to support for your ARCnet chipset if you want to use the
-loadable module. You can also say 'y' to "Generic ARCnet support" and 'm'
+loadable module. You can also say 'y' to "Generic ARCnet support" and 'm'
to the chipset support if you wish.
+::
+
make config
- make clean
+ make clean
make zImage
make modules
-
+
If you're using a loadable module, you need to use insmod to load it, and
you can specify various characteristics of your card on the command
line. (In recent versions of the driver, autoprobing is much more reliable
and works as a module, so most of this is now unnecessary.)
-For example:
+For example::
+
cd /usr/src/linux/modules
insmod arcnet.o
insmod com90xx.o
insmod com20020.o io=0x2e0 device=eth1
-
+
Using the Driver
----------------
-If you build your kernel with ARCnet COM90xx support included, it should
+If you build your kernel with ARCnet COM90xx support included, it should
probe for your card automatically when you boot. If you use a different
chipset driver complied into the kernel, you must give the necessary options
on the kernel command line, as detailed above.
@@ -224,69 +241,78 @@ Multiple Cards in One Computer
------------------------------
Linux has pretty good support for this now, but since I've been busy, the
-ARCnet driver has somewhat suffered in this respect. COM90xx support, if
-compiled into the kernel, will (try to) autodetect all the installed cards.
+ARCnet driver has somewhat suffered in this respect. COM90xx support, if
+compiled into the kernel, will (try to) autodetect all the installed cards.
+
+If you have other cards, with support compiled into the kernel, then you can
+just repeat the options on the kernel command line, e.g.::
+
+ LILO: linux com20020=0x2e0 com20020=0x380 com90io=0x260
-If you have other cards, with support compiled into the kernel, then you can
-just repeat the options on the kernel command line, e.g.:
-LILO: linux com20020=0x2e0 com20020=0x380 com90io=0x260
+If you have the chipset support built as a loadable module, then you need to
+do something like this::
-If you have the chipset support built as a loadable module, then you need to
-do something like this:
insmod -o arc0 com90xx
insmod -o arc1 com20020 io=0x2e0
insmod -o arc2 com90xx
+
The ARCnet drivers will now sort out their names automatically.
How do I get it to work with...?
--------------------------------
-NFS: Should be fine linux->linux, just pretend you're using Ethernet cards.
- oak.oakland.edu:/simtel/msdos/nfs has some nice DOS clients. There
- is also a DOS-based NFS server called SOSS. It doesn't multitask
- quite the way Linux does (actually, it doesn't multitask AT ALL) but
- you never know what you might need.
-
- With AmiTCP (and possibly others), you may need to set the following
- options in your Amiga nfstab: MD 1024 MR 1024 MW 1024
- (Thanks to Christian Gottschling <ferksy@indigo.tng.oche.de>
+NFS:
+ Should be fine linux->linux, just pretend you're using Ethernet cards.
+ oak.oakland.edu:/simtel/msdos/nfs has some nice DOS clients. There
+ is also a DOS-based NFS server called SOSS. It doesn't multitask
+ quite the way Linux does (actually, it doesn't multitask AT ALL) but
+ you never know what you might need.
+
+ With AmiTCP (and possibly others), you may need to set the following
+ options in your Amiga nfstab: MD 1024 MR 1024 MW 1024
+ (Thanks to Christian Gottschling <ferksy@indigo.tng.oche.de>
for this.)
-
+
Probably these refer to maximum NFS data/read/write block sizes. I
don't know why the defaults on the Amiga didn't work; write to me if
you know more.
-DOS: If you're using the freeware arcether.com, you might want to install
- the driver patch from my web page. It helps with PC/TCP, and also
- can get arcether to load if it timed out too quickly during
- initialization. In fact, if you use it on a 386+ you REALLY need
- the patch, really.
-
-Windows: See DOS :) Trumpet Winsock works fine with either the Novell or
+DOS:
+ If you're using the freeware arcether.com, you might want to install
+ the driver patch from my web page. It helps with PC/TCP, and also
+ can get arcether to load if it timed out too quickly during
+ initialization. In fact, if you use it on a 386+ you REALLY need
+ the patch, really.
+
+Windows:
+ See DOS :) Trumpet Winsock works fine with either the Novell or
Arcether client, assuming you remember to load winpkt of course.
-LAN Manager and Windows for Workgroups: These programs use protocols that
- are incompatible with the Internet standard. They try to pretend
- the cards are Ethernet, and confuse everyone else on the network.
-
- However, v2.00 and higher of the Linux ARCnet driver supports this
- protocol via the 'arc0e' device. See the section on "Multiprotocol
- Support" for more information.
+LAN Manager and Windows for Workgroups:
+ These programs use protocols that
+ are incompatible with the Internet standard. They try to pretend
+ the cards are Ethernet, and confuse everyone else on the network.
+
+ However, v2.00 and higher of the Linux ARCnet driver supports this
+ protocol via the 'arc0e' device. See the section on "Multiprotocol
+ Support" for more information.
Using the freeware Samba server and clients for Linux, you can now
interface quite nicely with TCP/IP-based WfWg or Lan Manager
networks.
-
-Windows 95: Tools are included with Win95 that let you use either the LANMAN
+
+Windows 95:
+ Tools are included with Win95 that let you use either the LANMAN
style network drivers (NDIS) or Novell drivers (ODI) to handle your
ARCnet packets. If you use ODI, you'll need to use the 'arc0'
- device with Linux. If you use NDIS, then try the 'arc0e' device.
+ device with Linux. If you use NDIS, then try the 'arc0e' device.
See the "Multiprotocol Support" section below if you need arc0e,
you're completely insane, and/or you need to build some kind of
hybrid network that uses both encapsulation types.
-OS/2: I've been told it works under Warp Connect with an ARCnet driver from
+OS/2:
+ I've been told it works under Warp Connect with an ARCnet driver from
SMC. You need to use the 'arc0e' interface for this. If you get
the SMC driver to work with the TCP/IP stuff included in the
"normal" Warp Bonus Pack, let me know.
@@ -295,7 +321,8 @@ OS/2: I've been told it works under Warp Connect with an ARCnet driver from
which should use the same protocol as WfWg does. I had no luck
installing it under Warp, however. Please mail me with any results.
-NetBSD/AmiTCP: These use an old version of the Internet standard ARCnet
+NetBSD/AmiTCP:
+ These use an old version of the Internet standard ARCnet
protocol (RFC1051) which is compatible with the Linux driver v2.10
ALPHA and above using the arc0s device. (See "Multiprotocol ARCnet"
below.) ** Newer versions of NetBSD apparently support RFC1201.
@@ -307,16 +334,17 @@ Using Multiprotocol ARCnet
The ARCnet driver v2.10 ALPHA supports three protocols, each on its own
"virtual network device":
- arc0 - RFC1201 protocol, the official Internet standard which just
- happens to be 100% compatible with Novell's TRXNET driver.
+ ====== ===============================================================
+ arc0 RFC1201 protocol, the official Internet standard which just
+ happens to be 100% compatible with Novell's TRXNET driver.
Version 1.00 of the ARCnet driver supported _only_ this
protocol. arc0 is the fastest of the three protocols (for
whatever reason), and allows larger packets to be used
- because it supports RFC1201 "packet splitting" operations.
+ because it supports RFC1201 "packet splitting" operations.
Unless you have a specific need to use a different protocol,
I strongly suggest that you stick with this one.
-
- arc0e - "Ethernet-Encapsulation" which sends packets over ARCnet
+
+ arc0e "Ethernet-Encapsulation" which sends packets over ARCnet
that are actually a lot like Ethernet packets, including the
6-byte hardware addresses. This protocol is compatible with
Microsoft's NDIS ARCnet driver, like the one in WfWg and
@@ -328,8 +356,8 @@ The ARCnet driver v2.10 ALPHA supports three protocols, each on its own
fit. arc0e also works slightly more slowly than arc0, for
reasons yet to be determined. (Probably it's the smaller
MTU that does it.)
-
- arc0s - The "[s]imple" RFC1051 protocol is the "previous" Internet
+
+ arc0s The "[s]imple" RFC1051 protocol is the "previous" Internet
standard that is completely incompatible with the new
standard. Some software today, however, continues to
support the old standard (and only the old standard)
@@ -338,9 +366,10 @@ The ARCnet driver v2.10 ALPHA supports three protocols, each on its own
smaller than the Internet "requirement," so it's quite
possible that you may run into problems. It's also slower
than RFC1201 by about 25%, for the same reason as arc0e.
-
+
The arc0s support was contributed by Tomasz Motylewski
and modified somewhat by me. Bugs are probably my fault.
+ ====== ===============================================================
You can choose not to compile arc0e and arc0s into the driver if you want -
this will save you a bit of memory and avoid confusion when eg. trying to
@@ -358,19 +387,21 @@ can set up your network then:
two available protocols. As mentioned above, it's a good idea to use
only arc0 unless you have a good reason (like some other software, ie.
WfWg, that only works with arc0e).
-
- If you need only arc0, then the following commands should get you going:
- ifconfig arc0 MY.IP.ADD.RESS
- route add MY.IP.ADD.RESS arc0
- route add -net SUB.NET.ADD.RESS arc0
- [add other local routes here]
-
- If you need arc0e (and only arc0e), it's a little different:
- ifconfig arc0 MY.IP.ADD.RESS
- ifconfig arc0e MY.IP.ADD.RESS
- route add MY.IP.ADD.RESS arc0e
- route add -net SUB.NET.ADD.RESS arc0e
-
+
+ If you need only arc0, then the following commands should get you going::
+
+ ifconfig arc0 MY.IP.ADD.RESS
+ route add MY.IP.ADD.RESS arc0
+ route add -net SUB.NET.ADD.RESS arc0
+ [add other local routes here]
+
+ If you need arc0e (and only arc0e), it's a little different::
+
+ ifconfig arc0 MY.IP.ADD.RESS
+ ifconfig arc0e MY.IP.ADD.RESS
+ route add MY.IP.ADD.RESS arc0e
+ route add -net SUB.NET.ADD.RESS arc0e
+
arc0s works much the same way as arc0e.
@@ -391,29 +422,32 @@ can set up your network then:
XT (patience), however, does not have its own Internet IP address and so
I assigned it one on a "private subnet" (as defined by RFC1597).
- To start with, take a simple network with just insight and freedom.
+ To start with, take a simple network with just insight and freedom.
Insight needs to:
- - talk to freedom via RFC1201 (arc0) protocol, because I like it
+
+ - talk to freedom via RFC1201 (arc0) protocol, because I like it
more and it's faster.
- use freedom as its Internet gateway.
-
- That's pretty easy to do. Set up insight like this:
- ifconfig arc0 insight
- route add insight arc0
- route add freedom arc0 /* I would use the subnet here (like I said
+
+ That's pretty easy to do. Set up insight like this::
+
+ ifconfig arc0 insight
+ route add insight arc0
+ route add freedom arc0 /* I would use the subnet here (like I said
to to in "single protocol" above),
- but the rest of the subnet
- unfortunately lies across the PPP
- link on freedom, which confuses
- things. */
- route add default gw freedom
-
- And freedom gets configured like so:
- ifconfig arc0 freedom
- route add freedom arc0
- route add insight arc0
- /* and default gateway is configured by pppd */
-
+ but the rest of the subnet
+ unfortunately lies across the PPP
+ link on freedom, which confuses
+ things. */
+ route add default gw freedom
+
+ And freedom gets configured like so::
+
+ ifconfig arc0 freedom
+ route add freedom arc0
+ route add insight arc0
+ /* and default gateway is configured by pppd */
+
Great, now insight talks to freedom directly on arc0, and sends packets
to the Internet through freedom. If you didn't know how to do the above,
you should probably stop reading this section now because it only gets
@@ -425,7 +459,7 @@ can set up your network then:
Internet. (Recall that patience has a "private IP address" which won't
work on the Internet; that's okay, I configured Linux IP masquerading on
freedom for this subnet).
-
+
So patience (necessarily; I don't have another IP number from my
provider) has an IP address on a different subnet than freedom and
insight, but needs to use freedom as an Internet gateway. Worse, most
@@ -435,53 +469,54 @@ can set up your network then:
insight, patience WILL send through its default gateway, regardless of
the fact that both freedom and insight (courtesy of the arc0e device)
could understand a direct transmission.
-
- I compensate by giving freedom an extra IP address - aliased 'gatekeeper'
- - that is on my private subnet, the same subnet that patience is on. I
+
+ I compensate by giving freedom an extra IP address - aliased 'gatekeeper' -
+ that is on my private subnet, the same subnet that patience is on. I
then define gatekeeper to be the default gateway for patience.
-
- To configure freedom (in addition to the commands above):
- ifconfig arc0e gatekeeper
- route add gatekeeper arc0e
- route add patience arc0e
-
+
+ To configure freedom (in addition to the commands above)::
+
+ ifconfig arc0e gatekeeper
+ route add gatekeeper arc0e
+ route add patience arc0e
+
This way, freedom will send all packets for patience through arc0e,
giving its IP address as gatekeeper (on the private subnet). When it
talks to insight or the Internet, it will use its "freedom" Internet IP
address.
-
- You will notice that we haven't configured the arc0e device on insight.
+
+ You will notice that we haven't configured the arc0e device on insight.
This would work, but is not really necessary, and would require me to
assign insight another special IP number from my private subnet. Since
both insight and patience are using freedom as their default gateway, the
two can already talk to each other.
-
+
It's quite fortunate that I set things up like this the first time (cough
cough) because it's really handy when I boot insight into DOS. There, it
- runs the Novell ODI protocol stack, which only works with RFC1201 ARCnet.
+ runs the Novell ODI protocol stack, which only works with RFC1201 ARCnet.
In this mode it would be impossible for insight to communicate directly
with patience, since the Novell stack is incompatible with Microsoft's
Ethernet-Encap. Without changing any settings on freedom or patience, I
simply set freedom as the default gateway for insight (now in DOS,
remember) and all the forwarding happens "automagically" between the two
hosts that would normally not be able to communicate at all.
-
+
For those who like diagrams, I have created two "virtual subnets" on the
- same physical ARCnet wire. You can picture it like this:
-
-
- [RFC1201 NETWORK] [ETHER-ENCAP NETWORK]
+ same physical ARCnet wire. You can picture it like this::
+
+
+ [RFC1201 NETWORK] [ETHER-ENCAP NETWORK]
(registered Internet subnet) (RFC1597 private subnet)
-
- (IP Masquerade)
- /---------------\ * /---------------\
- | | * | |
- | +-Freedom-*-Gatekeeper-+ |
- | | | * | |
- \-------+-------/ | * \-------+-------/
- | | |
- Insight | Patience
- (Internet)
+
+ (IP Masquerade)
+ /---------------\ * /---------------\
+ | | * | |
+ | +-Freedom-*-Gatekeeper-+ |
+ | | | * | |
+ \-------+-------/ | * \-------+-------/
+ | | |
+ Insight | Patience
+ (Internet)
@@ -491,6 +526,7 @@ It works: what now?
Send mail describing your setup, preferably including driver version, kernel
version, ARCnet card model, CPU type, number of systems on your network, and
list of software in use to me at the following address:
+
apenwarr@worldvisions.ca
I do send (sometimes automated) replies to all messages I receive. My email
@@ -525,7 +561,7 @@ this, you should grab the pertinent RFCs. (some are listed near the top of
arcnet.c). arcdump assumes your card is at 0xD0000. If it isn't, edit the
script.
-Buffers 0 and 1 are used for receiving, and Buffers 2 and 3 are for sending.
+Buffers 0 and 1 are used for receiving, and Buffers 2 and 3 are for sending.
Ping-pong buffers are implemented both ways.
If your debug level includes D_DURING and you did NOT define SLOW_XMIT_COPY,
@@ -535,9 +571,11 @@ decides that the driver is broken). During a transmit, unused parts of the
buffer will be cleared to 0x42 as well. This is to make it easier to figure
out which bytes are being used by a packet.
-You can change the debug level without recompiling the kernel by typing:
+You can change the debug level without recompiling the kernel by typing::
+
ifconfig arc0 down metric 1xxx
/etc/rc.d/rc.inet1
+
where "xxx" is the debug level you want. For example, "metric 1015" would put
you at debug level 15. Debug level 7 is currently the default.
@@ -546,7 +584,7 @@ combination of different debug flags; so debug level 7 is really 1+2+4 or
D_NORMAL+D_EXTRA+D_INIT. To include D_DURING, you would add 16 to this,
resulting in debug level 23.
-If you don't understand that, you probably don't want to know anyway.
+If you don't understand that, you probably don't want to know anyway.
E-mail me about your problem.
diff --git a/Documentation/networking/atm.txt b/Documentation/networking/atm.rst
index 82921cee77fe..c1df8c038525 100644
--- a/Documentation/networking/atm.txt
+++ b/Documentation/networking/atm.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===
+ATM
+===
+
In order to use anything but the most primitive functions of ATM,
several user-mode programs are required to assist the kernel. These
programs and related material can be found via the ATM on Linux Web
diff --git a/Documentation/networking/ax25.txt b/Documentation/networking/ax25.rst
index 8257dbf9be57..824afd7002db 100644
--- a/Documentation/networking/ax25.txt
+++ b/Documentation/networking/ax25.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====
+AX.25
+=====
+
To use the amateur radio protocols within Linux you will need to get a
suitable copy of the AX.25 Utilities. More detailed information about
AX.25, NET/ROM and ROSE, associated programs and and utilities can be
diff --git a/Documentation/networking/baycom.txt b/Documentation/networking/baycom.rst
index 688f18fd4467..fe2d010f0e86 100644
--- a/Documentation/networking/baycom.txt
+++ b/Documentation/networking/baycom.rst
@@ -1,26 +1,31 @@
- LINUX DRIVERS FOR BAYCOM MODEMS
+.. SPDX-License-Identifier: GPL-2.0
- Thomas M. Sailer, HB9JNX/AE4WA, <sailer@ife.ee.ethz.ch>
+===============================
+Linux Drivers for Baycom Modems
+===============================
-!!NEW!! (04/98) The drivers for the baycom modems have been split into
+Thomas M. Sailer, HB9JNX/AE4WA, <sailer@ife.ee.ethz.ch>
+
+The drivers for the baycom modems have been split into
separate drivers as they did not share any code, and the driver
and device names have changed.
This document describes the Linux Kernel Drivers for simple Baycom style
-amateur radio modems.
+amateur radio modems.
The following drivers are available:
+====================================
baycom_ser_fdx:
This driver supports the SER12 modems either full or half duplex.
- Its baud rate may be changed via the `baud' module parameter,
+ Its baud rate may be changed via the ``baud`` module parameter,
therefore it supports just about every bit bang modem on a
serial port. Its devices are called bcsf0 through bcsf3.
This is the recommended driver for SER12 type modems,
however if you have a broken UART clone that does not have working
- delta status bits, you may try baycom_ser_hdx.
+ delta status bits, you may try baycom_ser_hdx.
-baycom_ser_hdx:
+baycom_ser_hdx:
This is an alternative driver for SER12 type modems.
It only supports half duplex, and only 1200 baud. Its devices
are called bcsh0 through bcsh3. Use this driver only if baycom_ser_fdx
@@ -37,45 +42,48 @@ baycom_epp:
The following modems are supported:
-ser12: This is a very simple 1200 baud AFSK modem. The modem consists only
- of a modulator/demodulator chip, usually a TI TCM3105. The computer
- is responsible for regenerating the receiver bit clock, as well as
- for handling the HDLC protocol. The modem connects to a serial port,
- hence the name. Since the serial port is not used as an async serial
- port, the kernel driver for serial ports cannot be used, and this
- driver only supports standard serial hardware (8250, 16450, 16550)
-
-par96: This is a modem for 9600 baud FSK compatible to the G3RUH standard.
- The modem does all the filtering and regenerates the receiver clock.
- Data is transferred from and to the PC via a shift register.
- The shift register is filled with 16 bits and an interrupt is signalled.
- The PC then empties the shift register in a burst. This modem connects
- to the parallel port, hence the name. The modem leaves the
- implementation of the HDLC protocol and the scrambler polynomial to
- the PC.
-
-picpar: This is a redesign of the par96 modem by Henning Rech, DF9IC. The modem
- is protocol compatible to par96, but uses only three low power ICs
- and can therefore be fed from the parallel port and does not require
- an additional power supply. Furthermore, it incorporates a carrier
- detect circuitry.
-
-EPP: This is a high-speed modem adaptor that connects to an enhanced parallel port.
- Its target audience is users working over a high speed hub (76.8kbit/s).
-
-eppfpga: This is a redesign of the EPP adaptor.
-
-
+======= ========================================================================
+ser12 This is a very simple 1200 baud AFSK modem. The modem consists only
+ of a modulator/demodulator chip, usually a TI TCM3105. The computer
+ is responsible for regenerating the receiver bit clock, as well as
+ for handling the HDLC protocol. The modem connects to a serial port,
+ hence the name. Since the serial port is not used as an async serial
+ port, the kernel driver for serial ports cannot be used, and this
+ driver only supports standard serial hardware (8250, 16450, 16550)
+
+par96 This is a modem for 9600 baud FSK compatible to the G3RUH standard.
+ The modem does all the filtering and regenerates the receiver clock.
+ Data is transferred from and to the PC via a shift register.
+ The shift register is filled with 16 bits and an interrupt is signalled.
+ The PC then empties the shift register in a burst. This modem connects
+ to the parallel port, hence the name. The modem leaves the
+ implementation of the HDLC protocol and the scrambler polynomial to
+ the PC.
+
+picpar This is a redesign of the par96 modem by Henning Rech, DF9IC. The modem
+ is protocol compatible to par96, but uses only three low power ICs
+ and can therefore be fed from the parallel port and does not require
+ an additional power supply. Furthermore, it incorporates a carrier
+ detect circuitry.
+
+EPP This is a high-speed modem adaptor that connects to an enhanced parallel
+ port.
+
+ Its target audience is users working over a high speed hub (76.8kbit/s).
+
+eppfpga This is a redesign of the EPP adaptor.
+======= ========================================================================
All of the above modems only support half duplex communications. However,
the driver supports the KISS (see below) fullduplex command. It then simply
starts to send as soon as there's a packet to transmit and does not care
about DCD, i.e. it starts to send even if there's someone else on the channel.
-This command is required by some implementations of the DAMA channel
+This command is required by some implementations of the DAMA channel
access protocol.
The Interface of the drivers
+============================
Unlike previous drivers, these drivers are no longer character devices,
but they are now true kernel network interfaces. Installation is therefore
@@ -88,20 +96,22 @@ me for WAMPES which allows attaching a kernel network interface directly.
Configuring the driver
+======================
Every time a driver is inserted into the kernel, it has to know which
modems it should access at which ports. This can be done with the setbaycom
utility. If you are only using one modem, you can also configure the
driver from the insmod command line (or by means of an option line in
-/etc/modprobe.d/*.conf).
+``/etc/modprobe.d/*.conf``).
+
+Examples::
-Examples:
modprobe baycom_ser_fdx mode="ser12*" iobase=0x3f8 irq=4
sethdlc -i bcsf0 -p mode "ser12*" io 0x3f8 irq 4
Both lines configure the first port to drive a ser12 modem at the first
-serial port (COM1 under DOS). The * in the mode parameter instructs the driver to use
-the software DCD algorithm (see below).
+serial port (COM1 under DOS). The * in the mode parameter instructs the driver
+to use the software DCD algorithm (see below)::
insmod baycom_par mode="picpar" iobase=0x378
sethdlc -i bcp0 -p mode "picpar" io 0x378
@@ -115,29 +125,33 @@ Note that both utilities interpret the values slightly differently.
Hardware DCD versus Software DCD
+================================
To avoid collisions on the air, the driver must know when the channel is
busy. This is the task of the DCD circuitry/software. The driver may either
utilise a software DCD algorithm (options=1) or use a DCD signal from
the hardware (options=0).
-ser12: if software DCD is utilised, the radio's squelch should always be
- open. It is highly recommended to use the software DCD algorithm,
- as it is much faster than most hardware squelch circuitry. The
- disadvantage is a slightly higher load on the system.
+======= =================================================================
+ser12 if software DCD is utilised, the radio's squelch should always be
+ open. It is highly recommended to use the software DCD algorithm,
+ as it is much faster than most hardware squelch circuitry. The
+ disadvantage is a slightly higher load on the system.
-par96: the software DCD algorithm for this type of modem is rather poor.
- The modem simply does not provide enough information to implement
- a reasonable DCD algorithm in software. Therefore, if your radio
- feeds the DCD input of the PAR96 modem, the use of the hardware
- DCD circuitry is recommended.
+par96 the software DCD algorithm for this type of modem is rather poor.
+ The modem simply does not provide enough information to implement
+ a reasonable DCD algorithm in software. Therefore, if your radio
+ feeds the DCD input of the PAR96 modem, the use of the hardware
+ DCD circuitry is recommended.
-picpar: the picpar modem features a builtin DCD hardware, which is highly
- recommended.
+picpar the picpar modem features a builtin DCD hardware, which is highly
+ recommended.
+======= =================================================================
Compatibility with the rest of the Linux kernel
+===============================================
The serial driver and the baycom serial drivers compete
for the same hardware resources. Of course only one driver can access a given
@@ -154,5 +168,7 @@ The parallel port drivers (baycom_par, baycom_epp) now use the parport subsystem
to arbitrate the ports between different client drivers.
vy 73s de
+
Tom Sailer, sailer@ife.ee.ethz.ch
+
hb9jnx @ hb9w.ampr.org
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.rst
index e3abfbd32f71..24168b0d16bd 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.rst
@@ -1,10 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
- Linux Ethernet Bonding Driver HOWTO
+===================================
+Linux Ethernet Bonding Driver HOWTO
+===================================
- Latest update: 27 April 2011
+Latest update: 27 April 2011
+
+Initial release: Thomas Davis <tadavis at lbl.gov>
+
+Corrections, HA extensions: 2000/10/03-15:
-Initial release : Thomas Davis <tadavis at lbl.gov>
-Corrections, HA extensions : 2000/10/03-15 :
- Willy Tarreau <willy at meta-x.org>
- Constantine Gavrilov <const-g at xpert.com>
- Chad N. Tindel <ctindel at ieee dot org>
@@ -13,98 +18,98 @@ Corrections, HA extensions : 2000/10/03-15 :
Reorganized and updated Feb 2005 by Jay Vosburgh
Added Sysfs information: 2006/04/24
+
- Mitch Williams <mitch.a.williams at intel.com>
Introduction
============
- The Linux bonding driver provides a method for aggregating
+The Linux bonding driver provides a method for aggregating
multiple network interfaces into a single logical "bonded" interface.
The behavior of the bonded interfaces depends upon the mode; generally
speaking, modes provide either hot standby or load balancing services.
Additionally, link integrity monitoring may be performed.
-
- The bonding driver originally came from Donald Becker's
+
+The bonding driver originally came from Donald Becker's
beowulf patches for kernel 2.0. It has changed quite a bit since, and
the original tools from extreme-linux and beowulf sites will not work
with this version of the driver.
- For new versions of the driver, updated userspace tools, and
+For new versions of the driver, updated userspace tools, and
who to ask for help, please follow the links at the end of this file.
-Table of Contents
-=================
+.. Table of Contents
-1. Bonding Driver Installation
+ 1. Bonding Driver Installation
-2. Bonding Driver Options
+ 2. Bonding Driver Options
-3. Configuring Bonding Devices
-3.1 Configuration with Sysconfig Support
-3.1.1 Using DHCP with Sysconfig
-3.1.2 Configuring Multiple Bonds with Sysconfig
-3.2 Configuration with Initscripts Support
-3.2.1 Using DHCP with Initscripts
-3.2.2 Configuring Multiple Bonds with Initscripts
-3.3 Configuring Bonding Manually with Ifenslave
-3.3.1 Configuring Multiple Bonds Manually
-3.4 Configuring Bonding Manually via Sysfs
-3.5 Configuration with Interfaces Support
-3.6 Overriding Configuration for Special Cases
-3.7 Configuring LACP for 802.3ad mode in a more secure way
+ 3. Configuring Bonding Devices
+ 3.1 Configuration with Sysconfig Support
+ 3.1.1 Using DHCP with Sysconfig
+ 3.1.2 Configuring Multiple Bonds with Sysconfig
+ 3.2 Configuration with Initscripts Support
+ 3.2.1 Using DHCP with Initscripts
+ 3.2.2 Configuring Multiple Bonds with Initscripts
+ 3.3 Configuring Bonding Manually with Ifenslave
+ 3.3.1 Configuring Multiple Bonds Manually
+ 3.4 Configuring Bonding Manually via Sysfs
+ 3.5 Configuration with Interfaces Support
+ 3.6 Overriding Configuration for Special Cases
+ 3.7 Configuring LACP for 802.3ad mode in a more secure way
-4. Querying Bonding Configuration
-4.1 Bonding Configuration
-4.2 Network Configuration
+ 4. Querying Bonding Configuration
+ 4.1 Bonding Configuration
+ 4.2 Network Configuration
-5. Switch Configuration
+ 5. Switch Configuration
-6. 802.1q VLAN Support
+ 6. 802.1q VLAN Support
-7. Link Monitoring
-7.1 ARP Monitor Operation
-7.2 Configuring Multiple ARP Targets
-7.3 MII Monitor Operation
+ 7. Link Monitoring
+ 7.1 ARP Monitor Operation
+ 7.2 Configuring Multiple ARP Targets
+ 7.3 MII Monitor Operation
-8. Potential Trouble Sources
-8.1 Adventures in Routing
-8.2 Ethernet Device Renaming
-8.3 Painfully Slow Or No Failed Link Detection By Miimon
+ 8. Potential Trouble Sources
+ 8.1 Adventures in Routing
+ 8.2 Ethernet Device Renaming
+ 8.3 Painfully Slow Or No Failed Link Detection By Miimon
-9. SNMP agents
+ 9. SNMP agents
-10. Promiscuous mode
+ 10. Promiscuous mode
-11. Configuring Bonding for High Availability
-11.1 High Availability in a Single Switch Topology
-11.2 High Availability in a Multiple Switch Topology
-11.2.1 HA Bonding Mode Selection for Multiple Switch Topology
-11.2.2 HA Link Monitoring for Multiple Switch Topology
+ 11. Configuring Bonding for High Availability
+ 11.1 High Availability in a Single Switch Topology
+ 11.2 High Availability in a Multiple Switch Topology
+ 11.2.1 HA Bonding Mode Selection for Multiple Switch Topology
+ 11.2.2 HA Link Monitoring for Multiple Switch Topology
-12. Configuring Bonding for Maximum Throughput
-12.1 Maximum Throughput in a Single Switch Topology
-12.1.1 MT Bonding Mode Selection for Single Switch Topology
-12.1.2 MT Link Monitoring for Single Switch Topology
-12.2 Maximum Throughput in a Multiple Switch Topology
-12.2.1 MT Bonding Mode Selection for Multiple Switch Topology
-12.2.2 MT Link Monitoring for Multiple Switch Topology
+ 12. Configuring Bonding for Maximum Throughput
+ 12.1 Maximum Throughput in a Single Switch Topology
+ 12.1.1 MT Bonding Mode Selection for Single Switch Topology
+ 12.1.2 MT Link Monitoring for Single Switch Topology
+ 12.2 Maximum Throughput in a Multiple Switch Topology
+ 12.2.1 MT Bonding Mode Selection for Multiple Switch Topology
+ 12.2.2 MT Link Monitoring for Multiple Switch Topology
-13. Switch Behavior Issues
-13.1 Link Establishment and Failover Delays
-13.2 Duplicated Incoming Packets
+ 13. Switch Behavior Issues
+ 13.1 Link Establishment and Failover Delays
+ 13.2 Duplicated Incoming Packets
-14. Hardware Specific Considerations
-14.1 IBM BladeCenter
+ 14. Hardware Specific Considerations
+ 14.1 IBM BladeCenter
-15. Frequently Asked Questions
+ 15. Frequently Asked Questions
-16. Resources and Links
+ 16. Resources and Links
1. Bonding Driver Installation
==============================
- Most popular distro kernels ship with the bonding driver
+Most popular distro kernels ship with the bonding driver
already available as a module. If your distro does not, or you
have need to compile bonding from source (e.g., configuring and
installing a mainline kernel from kernel.org), you'll need to perform
@@ -113,54 +118,54 @@ the following steps:
1.1 Configure and build the kernel with bonding
-----------------------------------------------
- The current version of the bonding driver is available in the
+The current version of the bonding driver is available in the
drivers/net/bonding subdirectory of the most recent kernel source
(which is available on http://kernel.org). Most users "rolling their
own" will want to use the most recent kernel from kernel.org.
- Configure kernel with "make menuconfig" (or "make xconfig" or
+Configure kernel with "make menuconfig" (or "make xconfig" or
"make config"), then select "Bonding driver support" in the "Network
device support" section. It is recommended that you configure the
driver as module since it is currently the only way to pass parameters
to the driver or configure more than one bonding device.
- Build and install the new kernel and modules.
+Build and install the new kernel and modules.
1.2 Bonding Control Utility
--------------------------------------
+---------------------------
- It is recommended to configure bonding via iproute2 (netlink)
+It is recommended to configure bonding via iproute2 (netlink)
or sysfs, the old ifenslave control utility is obsolete.
2. Bonding Driver Options
=========================
- Options for the bonding driver are supplied as parameters to the
+Options for the bonding driver are supplied as parameters to the
bonding module at load time, or are specified via sysfs.
- Module options may be given as command line arguments to the
+Module options may be given as command line arguments to the
insmod or modprobe command, but are usually specified in either the
-/etc/modprobe.d/*.conf configuration files, or in a distro-specific
+``/etc/modprobe.d/*.conf`` configuration files, or in a distro-specific
configuration file (some of which are detailed in the next section).
- Details on bonding support for sysfs is provided in the
+Details on bonding support for sysfs is provided in the
"Configuring Bonding Manually via Sysfs" section, below.
- The available bonding driver parameters are listed below. If a
+The available bonding driver parameters are listed below. If a
parameter is not specified the default value is used. When initially
configuring a bond, it is recommended "tail -f /var/log/messages" be
run in a separate window to watch for bonding driver error messages.
- It is critical that either the miimon or arp_interval and
+It is critical that either the miimon or arp_interval and
arp_ip_target parameters be specified, otherwise serious network
degradation will occur during link failures. Very few devices do not
support at least miimon, so there is really no reason not to use it.
- Options with textual values will accept either the text name
+Options with textual values will accept either the text name
or, for backwards compatibility, the option value. E.g.,
"mode=802.3ad" and "mode=4" set the same mode.
- The parameters are as follows:
+The parameters are as follows:
active_slave
@@ -246,10 +251,13 @@ ad_user_port_key
In an AD system, the port-key has three parts as shown below -
+ ===== ============
Bits Use
+ ===== ============
00 Duplex
01-05 Speed
06-15 User-defined
+ ===== ============
This defines the upper 10 bits of the port key. The values can be
from 0 - 1023. If not given, the system defaults to 0.
@@ -699,7 +707,7 @@ mode
swapped with the new curr_active_slave that was
chosen.
-num_grat_arp
+num_grat_arp,
num_unsol_na
Specify the number of peer notifications (gratuitous ARPs and
@@ -729,13 +737,13 @@ packets_per_slave
peer_notif_delay
- Specify the delay, in milliseconds, between each peer
- notification (gratuitous ARP and unsolicited IPv6 Neighbor
- Advertisement) when they are issued after a failover event.
- This delay should be a multiple of the link monitor interval
- (arp_interval or miimon, whichever is active). The default
- value is 0 which means to match the value of the link monitor
- interval.
+ Specify the delay, in milliseconds, between each peer
+ notification (gratuitous ARP and unsolicited IPv6 Neighbor
+ Advertisement) when they are issued after a failover event.
+ This delay should be a multiple of the link monitor interval
+ (arp_interval or miimon, whichever is active). The default
+ value is 0 which means to match the value of the link monitor
+ interval.
primary
@@ -977,88 +985,88 @@ lp_interval
3. Configuring Bonding Devices
==============================
- You can configure bonding using either your distro's network
+You can configure bonding using either your distro's network
initialization scripts, or manually using either iproute2 or the
sysfs interface. Distros generally use one of three packages for the
network initialization scripts: initscripts, sysconfig or interfaces.
Recent versions of these packages have support for bonding, while older
versions do not.
- We will first describe the options for configuring bonding for
+We will first describe the options for configuring bonding for
distros using versions of initscripts, sysconfig and interfaces with full
or partial support for bonding, then provide information on enabling
bonding without support from the network initialization scripts (i.e.,
older versions of initscripts or sysconfig).
- If you're unsure whether your distro uses sysconfig,
+If you're unsure whether your distro uses sysconfig,
initscripts or interfaces, or don't know if it's new enough, have no fear.
Determining this is fairly straightforward.
- First, look for a file called interfaces in /etc/network directory.
+First, look for a file called interfaces in /etc/network directory.
If this file is present in your system, then your system use interfaces. See
Configuration with Interfaces Support.
- Else, issue the command:
+Else, issue the command::
-$ rpm -qf /sbin/ifup
+ $ rpm -qf /sbin/ifup
- It will respond with a line of text starting with either
+It will respond with a line of text starting with either
"initscripts" or "sysconfig," followed by some numbers. This is the
package that provides your network initialization scripts.
- Next, to determine if your installation supports bonding,
-issue the command:
+Next, to determine if your installation supports bonding,
+issue the command::
-$ grep ifenslave /sbin/ifup
+ $ grep ifenslave /sbin/ifup
- If this returns any matches, then your initscripts or
+If this returns any matches, then your initscripts or
sysconfig has support for bonding.
3.1 Configuration with Sysconfig Support
----------------------------------------
- This section applies to distros using a version of sysconfig
+This section applies to distros using a version of sysconfig
with bonding support, for example, SuSE Linux Enterprise Server 9.
- SuSE SLES 9's networking configuration system does support
+SuSE SLES 9's networking configuration system does support
bonding, however, at this writing, the YaST system configuration
front end does not provide any means to work with bonding devices.
Bonding devices can be managed by hand, however, as follows.
- First, if they have not already been configured, configure the
+First, if they have not already been configured, configure the
slave devices. On SLES 9, this is most easily done by running the
yast2 sysconfig configuration utility. The goal is for to create an
ifcfg-id file for each slave device. The simplest way to accomplish
this is to configure the devices for DHCP (this is only to get the
file ifcfg-id file created; see below for some issues with DHCP). The
-name of the configuration file for each device will be of the form:
+name of the configuration file for each device will be of the form::
-ifcfg-id-xx:xx:xx:xx:xx:xx
+ ifcfg-id-xx:xx:xx:xx:xx:xx
- Where the "xx" portion will be replaced with the digits from
+Where the "xx" portion will be replaced with the digits from
the device's permanent MAC address.
- Once the set of ifcfg-id-xx:xx:xx:xx:xx:xx files has been
+Once the set of ifcfg-id-xx:xx:xx:xx:xx:xx files has been
created, it is necessary to edit the configuration files for the slave
devices (the MAC addresses correspond to those of the slave devices).
Before editing, the file will contain multiple lines, and will look
-something like this:
+something like this::
-BOOTPROTO='dhcp'
-STARTMODE='on'
-USERCTL='no'
-UNIQUE='XNzu.WeZGOGF+4wE'
-_nm_name='bus-pci-0001:61:01.0'
+ BOOTPROTO='dhcp'
+ STARTMODE='on'
+ USERCTL='no'
+ UNIQUE='XNzu.WeZGOGF+4wE'
+ _nm_name='bus-pci-0001:61:01.0'
- Change the BOOTPROTO and STARTMODE lines to the following:
+Change the BOOTPROTO and STARTMODE lines to the following::
-BOOTPROTO='none'
-STARTMODE='off'
+ BOOTPROTO='none'
+ STARTMODE='off'
- Do not alter the UNIQUE or _nm_name lines. Remove any other
+Do not alter the UNIQUE or _nm_name lines. Remove any other
lines (USERCTL, etc).
- Once the ifcfg-id-xx:xx:xx:xx:xx:xx files have been modified,
+Once the ifcfg-id-xx:xx:xx:xx:xx:xx files have been modified,
it's time to create the configuration file for the bonding device
itself. This file is named ifcfg-bondX, where X is the number of the
bonding device to create, starting at 0. The first such file is
@@ -1066,49 +1074,52 @@ ifcfg-bond0, the second is ifcfg-bond1, and so on. The sysconfig
network configuration system will correctly start multiple instances
of bonding.
- The contents of the ifcfg-bondX file is as follows:
-
-BOOTPROTO="static"
-BROADCAST="10.0.2.255"
-IPADDR="10.0.2.10"
-NETMASK="255.255.0.0"
-NETWORK="10.0.2.0"
-REMOTE_IPADDR=""
-STARTMODE="onboot"
-BONDING_MASTER="yes"
-BONDING_MODULE_OPTS="mode=active-backup miimon=100"
-BONDING_SLAVE0="eth0"
-BONDING_SLAVE1="bus-pci-0000:06:08.1"
-
- Replace the sample BROADCAST, IPADDR, NETMASK and NETWORK
+The contents of the ifcfg-bondX file is as follows::
+
+ BOOTPROTO="static"
+ BROADCAST="10.0.2.255"
+ IPADDR="10.0.2.10"
+ NETMASK="255.255.0.0"
+ NETWORK="10.0.2.0"
+ REMOTE_IPADDR=""
+ STARTMODE="onboot"
+ BONDING_MASTER="yes"
+ BONDING_MODULE_OPTS="mode=active-backup miimon=100"
+ BONDING_SLAVE0="eth0"
+ BONDING_SLAVE1="bus-pci-0000:06:08.1"
+
+Replace the sample BROADCAST, IPADDR, NETMASK and NETWORK
values with the appropriate values for your network.
- The STARTMODE specifies when the device is brought online.
+The STARTMODE specifies when the device is brought online.
The possible values are:
- onboot: The device is started at boot time. If you're not
+ ======== ======================================================
+ onboot The device is started at boot time. If you're not
sure, this is probably what you want.
- manual: The device is started only when ifup is called
+ manual The device is started only when ifup is called
manually. Bonding devices may be configured this
way if you do not wish them to start automatically
at boot for some reason.
- hotplug: The device is started by a hotplug event. This is not
+ hotplug The device is started by a hotplug event. This is not
a valid choice for a bonding device.
- off or ignore: The device configuration is ignored.
+ off or The device configuration is ignored.
+ ignore
+ ======== ======================================================
- The line BONDING_MASTER='yes' indicates that the device is a
+The line BONDING_MASTER='yes' indicates that the device is a
bonding master device. The only useful value is "yes."
- The contents of BONDING_MODULE_OPTS are supplied to the
+The contents of BONDING_MODULE_OPTS are supplied to the
instance of the bonding module for this device. Specify the options
for the bonding mode, link monitoring, and so on here. Do not include
the max_bonds bonding parameter; this will confuse the configuration
system if you have multiple bonding devices.
- Finally, supply one BONDING_SLAVEn="slave device" for each
+Finally, supply one BONDING_SLAVEn="slave device" for each
slave. where "n" is an increasing value, one for each slave. The
"slave device" is either an interface name, e.g., "eth0", or a device
specifier for the network device. The interface name is easier to
@@ -1120,34 +1131,34 @@ changes (for example, it is moved from one PCI slot to another). The
example above uses one of each type for demonstration purposes; most
configurations will choose one or the other for all slave devices.
- When all configuration files have been modified or created,
+When all configuration files have been modified or created,
networking must be restarted for the configuration changes to take
-effect. This can be accomplished via the following:
+effect. This can be accomplished via the following::
-# /etc/init.d/network restart
+ # /etc/init.d/network restart
- Note that the network control script (/sbin/ifdown) will
+Note that the network control script (/sbin/ifdown) will
remove the bonding module as part of the network shutdown processing,
so it is not necessary to remove the module by hand if, e.g., the
module parameters have changed.
- Also, at this writing, YaST/YaST2 will not manage bonding
+Also, at this writing, YaST/YaST2 will not manage bonding
devices (they do not show bonding interfaces on its list of network
devices). It is necessary to edit the configuration file by hand to
change the bonding configuration.
- Additional general options and details of the ifcfg file
-format can be found in an example ifcfg template file:
+Additional general options and details of the ifcfg file
+format can be found in an example ifcfg template file::
-/etc/sysconfig/network/ifcfg.template
+ /etc/sysconfig/network/ifcfg.template
- Note that the template does not document the various BONDING_
+Note that the template does not document the various ``BONDING_*``
settings described above, but does describe many of the other options.
3.1.1 Using DHCP with Sysconfig
-------------------------------
- Under sysconfig, configuring a device with BOOTPROTO='dhcp'
+Under sysconfig, configuring a device with BOOTPROTO='dhcp'
will cause it to query DHCP for its IP address information. At this
writing, this does not function for bonding devices; the scripts
attempt to obtain the device address from DHCP prior to adding any of
@@ -1157,7 +1168,7 @@ sent to the network.
3.1.2 Configuring Multiple Bonds with Sysconfig
-----------------------------------------------
- The sysconfig network initialization system is capable of
+The sysconfig network initialization system is capable of
handling multiple bonding devices. All that is necessary is for each
bonding instance to have an appropriately configured ifcfg-bondX file
(as described above). Do not specify the "max_bonds" parameter to any
@@ -1165,14 +1176,14 @@ instance of bonding, as this will confuse sysconfig. If you require
multiple bonding devices with identical parameters, create multiple
ifcfg-bondX files.
- Because the sysconfig scripts supply the bonding module
+Because the sysconfig scripts supply the bonding module
options in the ifcfg-bondX file, it is not necessary to add them to
-the system /etc/modules.d/*.conf configuration files.
+the system ``/etc/modules.d/*.conf`` configuration files.
3.2 Configuration with Initscripts Support
------------------------------------------
- This section applies to distros using a recent version of
+This section applies to distros using a recent version of
initscripts with bonding support, for example, Red Hat Enterprise Linux
version 3 or later, Fedora, etc. On these systems, the network
initialization scripts have knowledge of bonding, and can be configured to
@@ -1180,7 +1191,7 @@ control bonding devices. Note that older versions of the initscripts
package have lower levels of support for bonding; this will be noted where
applicable.
- These distros will not automatically load the network adapter
+These distros will not automatically load the network adapter
driver unless the ethX device is configured with an IP address.
Because of this constraint, users must manually configure a
network-script file for all physical adapters that will be members of
@@ -1188,19 +1199,19 @@ a bondX link. Network script files are located in the directory:
/etc/sysconfig/network-scripts
- The file name must be prefixed with "ifcfg-eth" and suffixed
+The file name must be prefixed with "ifcfg-eth" and suffixed
with the adapter's physical adapter number. For example, the script
for eth0 would be named /etc/sysconfig/network-scripts/ifcfg-eth0.
-Place the following text in the file:
+Place the following text in the file::
-DEVICE=eth0
-USERCTL=no
-ONBOOT=yes
-MASTER=bond0
-SLAVE=yes
-BOOTPROTO=none
+ DEVICE=eth0
+ USERCTL=no
+ ONBOOT=yes
+ MASTER=bond0
+ SLAVE=yes
+ BOOTPROTO=none
- The DEVICE= line will be different for every ethX device and
+The DEVICE= line will be different for every ethX device and
must correspond with the name of the file, i.e., ifcfg-eth1 must have
a device line of DEVICE=eth1. The setting of the MASTER= line will
also depend on the final bonding interface name chosen for your bond.
@@ -1208,69 +1219,70 @@ As with other network devices, these typically start at 0, and go up
one for each device, i.e., the first bonding instance is bond0, the
second is bond1, and so on.
- Next, create a bond network script. The file name for this
+Next, create a bond network script. The file name for this
script will be /etc/sysconfig/network-scripts/ifcfg-bondX where X is
the number of the bond. For bond0 the file is named "ifcfg-bond0",
for bond1 it is named "ifcfg-bond1", and so on. Within that file,
-place the following text:
-
-DEVICE=bond0
-IPADDR=192.168.1.1
-NETMASK=255.255.255.0
-NETWORK=192.168.1.0
-BROADCAST=192.168.1.255
-ONBOOT=yes
-BOOTPROTO=none
-USERCTL=no
-
- Be sure to change the networking specific lines (IPADDR,
+place the following text::
+
+ DEVICE=bond0
+ IPADDR=192.168.1.1
+ NETMASK=255.255.255.0
+ NETWORK=192.168.1.0
+ BROADCAST=192.168.1.255
+ ONBOOT=yes
+ BOOTPROTO=none
+ USERCTL=no
+
+Be sure to change the networking specific lines (IPADDR,
NETMASK, NETWORK and BROADCAST) to match your network configuration.
- For later versions of initscripts, such as that found with Fedora
+For later versions of initscripts, such as that found with Fedora
7 (or later) and Red Hat Enterprise Linux version 5 (or later), it is possible,
and, indeed, preferable, to specify the bonding options in the ifcfg-bond0
-file, e.g. a line of the format:
+file, e.g. a line of the format::
-BONDING_OPTS="mode=active-backup arp_interval=60 arp_ip_target=192.168.1.254"
+ BONDING_OPTS="mode=active-backup arp_interval=60 arp_ip_target=192.168.1.254"
- will configure the bond with the specified options. The options
+will configure the bond with the specified options. The options
specified in BONDING_OPTS are identical to the bonding module parameters
except for the arp_ip_target field when using versions of initscripts older
than and 8.57 (Fedora 8) and 8.45.19 (Red Hat Enterprise Linux 5.2). When
using older versions each target should be included as a separate option and
should be preceded by a '+' to indicate it should be added to the list of
-queried targets, e.g.,
+queried targets, e.g.,::
- arp_ip_target=+192.168.1.1 arp_ip_target=+192.168.1.2
+ arp_ip_target=+192.168.1.1 arp_ip_target=+192.168.1.2
- is the proper syntax to specify multiple targets. When specifying
-options via BONDING_OPTS, it is not necessary to edit /etc/modprobe.d/*.conf.
+is the proper syntax to specify multiple targets. When specifying
+options via BONDING_OPTS, it is not necessary to edit
+``/etc/modprobe.d/*.conf``.
- For even older versions of initscripts that do not support
+For even older versions of initscripts that do not support
BONDING_OPTS, it is necessary to edit /etc/modprobe.d/*.conf, depending upon
your distro) to load the bonding module with your desired options when the
bond0 interface is brought up. The following lines in /etc/modprobe.d/*.conf
will load the bonding module, and select its options:
-alias bond0 bonding
-options bond0 mode=balance-alb miimon=100
+ alias bond0 bonding
+ options bond0 mode=balance-alb miimon=100
- Replace the sample parameters with the appropriate set of
+Replace the sample parameters with the appropriate set of
options for your configuration.
- Finally run "/etc/rc.d/init.d/network restart" as root. This
+Finally run "/etc/rc.d/init.d/network restart" as root. This
will restart the networking subsystem and your bond link should be now
up and running.
3.2.1 Using DHCP with Initscripts
---------------------------------
- Recent versions of initscripts (the versions supplied with Fedora
+Recent versions of initscripts (the versions supplied with Fedora
Core 3 and Red Hat Enterprise Linux 4, or later versions, are reported to
work) have support for assigning IP information to bonding devices via
DHCP.
- To configure bonding for DHCP, configure it as described
+To configure bonding for DHCP, configure it as described
above, except replace the line "BOOTPROTO=none" with "BOOTPROTO=dhcp"
and add a line consisting of "TYPE=Bonding". Note that the TYPE value
is case sensitive.
@@ -1278,7 +1290,7 @@ is case sensitive.
3.2.2 Configuring Multiple Bonds with Initscripts
-------------------------------------------------
- Initscripts packages that are included with Fedora 7 and Red Hat
+Initscripts packages that are included with Fedora 7 and Red Hat
Enterprise Linux 5 support multiple bonding interfaces by simply
specifying the appropriate BONDING_OPTS= in ifcfg-bondX where X is the
number of the bond. This support requires sysfs support in the kernel,
@@ -1290,77 +1302,77 @@ below.
3.3 Configuring Bonding Manually with iproute2
-----------------------------------------------
- This section applies to distros whose network initialization
+This section applies to distros whose network initialization
scripts (the sysconfig or initscripts package) do not have specific
knowledge of bonding. One such distro is SuSE Linux Enterprise Server
version 8.
- The general method for these systems is to place the bonding
+The general method for these systems is to place the bonding
module parameters into a config file in /etc/modprobe.d/ (as
appropriate for the installed distro), then add modprobe and/or
`ip link` commands to the system's global init script. The name of
the global init script differs; for sysconfig, it is
/etc/init.d/boot.local and for initscripts it is /etc/rc.d/rc.local.
- For example, if you wanted to make a simple bond of two e100
+For example, if you wanted to make a simple bond of two e100
devices (presumed to be eth0 and eth1), and have it persist across
reboots, edit the appropriate file (/etc/init.d/boot.local or
-/etc/rc.d/rc.local), and add the following:
+/etc/rc.d/rc.local), and add the following::
-modprobe bonding mode=balance-alb miimon=100
-modprobe e100
-ifconfig bond0 192.168.1.1 netmask 255.255.255.0 up
-ip link set eth0 master bond0
-ip link set eth1 master bond0
+ modprobe bonding mode=balance-alb miimon=100
+ modprobe e100
+ ifconfig bond0 192.168.1.1 netmask 255.255.255.0 up
+ ip link set eth0 master bond0
+ ip link set eth1 master bond0
- Replace the example bonding module parameters and bond0
+Replace the example bonding module parameters and bond0
network configuration (IP address, netmask, etc) with the appropriate
values for your configuration.
- Unfortunately, this method will not provide support for the
+Unfortunately, this method will not provide support for the
ifup and ifdown scripts on the bond devices. To reload the bonding
-configuration, it is necessary to run the initialization script, e.g.,
+configuration, it is necessary to run the initialization script, e.g.,::
-# /etc/init.d/boot.local
+ # /etc/init.d/boot.local
- or
+or::
-# /etc/rc.d/rc.local
+ # /etc/rc.d/rc.local
- It may be desirable in such a case to create a separate script
+It may be desirable in such a case to create a separate script
which only initializes the bonding configuration, then call that
separate script from within boot.local. This allows for bonding to be
enabled without re-running the entire global init script.
- To shut down the bonding devices, it is necessary to first
+To shut down the bonding devices, it is necessary to first
mark the bonding device itself as being down, then remove the
appropriate device driver modules. For our example above, you can do
-the following:
+the following::
-# ifconfig bond0 down
-# rmmod bonding
-# rmmod e100
+ # ifconfig bond0 down
+ # rmmod bonding
+ # rmmod e100
- Again, for convenience, it may be desirable to create a script
+Again, for convenience, it may be desirable to create a script
with these commands.
3.3.1 Configuring Multiple Bonds Manually
-----------------------------------------
- This section contains information on configuring multiple
+This section contains information on configuring multiple
bonding devices with differing options for those systems whose network
initialization scripts lack support for configuring multiple bonds.
- If you require multiple bonding devices, but all with the same
+If you require multiple bonding devices, but all with the same
options, you may wish to use the "max_bonds" module parameter,
documented above.
- To create multiple bonding devices with differing options, it is
+To create multiple bonding devices with differing options, it is
preferable to use bonding parameters exported by sysfs, documented in the
section below.
- For versions of bonding without sysfs support, the only means to
+For versions of bonding without sysfs support, the only means to
provide multiple instances of bonding with differing options is to load
the bonding driver multiple times. Note that current versions of the
sysconfig network initialization scripts handle this automatically; if
@@ -1368,35 +1380,35 @@ your distro uses these scripts, no special action is needed. See the
section Configuring Bonding Devices, above, if you're not sure about your
network initialization scripts.
- To load multiple instances of the module, it is necessary to
+To load multiple instances of the module, it is necessary to
specify a different name for each instance (the module loading system
requires that every loaded module, even multiple instances of the same
module, have a unique name). This is accomplished by supplying multiple
-sets of bonding options in /etc/modprobe.d/*.conf, for example:
+sets of bonding options in ``/etc/modprobe.d/*.conf``, for example::
-alias bond0 bonding
-options bond0 -o bond0 mode=balance-rr miimon=100
+ alias bond0 bonding
+ options bond0 -o bond0 mode=balance-rr miimon=100
-alias bond1 bonding
-options bond1 -o bond1 mode=balance-alb miimon=50
+ alias bond1 bonding
+ options bond1 -o bond1 mode=balance-alb miimon=50
- will load the bonding module two times. The first instance is
+will load the bonding module two times. The first instance is
named "bond0" and creates the bond0 device in balance-rr mode with an
miimon of 100. The second instance is named "bond1" and creates the
bond1 device in balance-alb mode with an miimon of 50.
- In some circumstances (typically with older distributions),
+In some circumstances (typically with older distributions),
the above does not work, and the second bonding instance never sees
its options. In that case, the second options line can be substituted
-as follows:
+as follows::
-install bond1 /sbin/modprobe --ignore-install bonding -o bond1 \
- mode=balance-alb miimon=50
+ install bond1 /sbin/modprobe --ignore-install bonding -o bond1 \
+ mode=balance-alb miimon=50
- This may be repeated any number of times, specifying a new and
+This may be repeated any number of times, specifying a new and
unique name in place of bond1 for each subsequent instance.
- It has been observed that some Red Hat supplied kernels are unable
+It has been observed that some Red Hat supplied kernels are unable
to rename modules at load time (the "-o bond1" part). Attempts to pass
that option to modprobe will produce an "Operation not permitted" error.
This has been reported on some Fedora Core kernels, and has been seen on
@@ -1407,18 +1419,18 @@ kernels, and also lack sysfs support).
3.4 Configuring Bonding Manually via Sysfs
------------------------------------------
- Starting with version 3.0.0, Channel Bonding may be configured
+Starting with version 3.0.0, Channel Bonding may be configured
via the sysfs interface. This interface allows dynamic configuration
of all bonds in the system without unloading the module. It also
allows for adding and removing bonds at runtime. Ifenslave is no
longer required, though it is still supported.
- Use of the sysfs interface allows you to use multiple bonds
+Use of the sysfs interface allows you to use multiple bonds
with different configurations without having to reload the module.
It also allows you to use multiple, differently configured bonds when
bonding is compiled into the kernel.
- You must have the sysfs filesystem mounted to configure
+You must have the sysfs filesystem mounted to configure
bonding this way. The examples in this document assume that you
are using the standard mount point for sysfs, e.g. /sys. If your
sysfs filesystem is mounted elsewhere, you will need to adjust the
@@ -1426,38 +1438,45 @@ example paths accordingly.
Creating and Destroying Bonds
-----------------------------
-To add a new bond foo:
-# echo +foo > /sys/class/net/bonding_masters
+To add a new bond foo::
+
+ # echo +foo > /sys/class/net/bonding_masters
+
+To remove an existing bond bar::
-To remove an existing bond bar:
-# echo -bar > /sys/class/net/bonding_masters
+ # echo -bar > /sys/class/net/bonding_masters
-To show all existing bonds:
-# cat /sys/class/net/bonding_masters
+To show all existing bonds::
-NOTE: due to 4K size limitation of sysfs files, this list may be
-truncated if you have more than a few hundred bonds. This is unlikely
-to occur under normal operating conditions.
+ # cat /sys/class/net/bonding_masters
+
+.. note::
+
+ due to 4K size limitation of sysfs files, this list may be
+ truncated if you have more than a few hundred bonds. This is unlikely
+ to occur under normal operating conditions.
Adding and Removing Slaves
--------------------------
- Interfaces may be enslaved to a bond using the file
+Interfaces may be enslaved to a bond using the file
/sys/class/net/<bond>/bonding/slaves. The semantics for this file
are the same as for the bonding_masters file.
-To enslave interface eth0 to bond bond0:
-# ifconfig bond0 up
-# echo +eth0 > /sys/class/net/bond0/bonding/slaves
+To enslave interface eth0 to bond bond0::
+
+ # ifconfig bond0 up
+ # echo +eth0 > /sys/class/net/bond0/bonding/slaves
-To free slave eth0 from bond bond0:
-# echo -eth0 > /sys/class/net/bond0/bonding/slaves
+To free slave eth0 from bond bond0::
- When an interface is enslaved to a bond, symlinks between the
+ # echo -eth0 > /sys/class/net/bond0/bonding/slaves
+
+When an interface is enslaved to a bond, symlinks between the
two are created in the sysfs filesystem. In this case, you would get
/sys/class/net/bond0/slave_eth0 pointing to /sys/class/net/eth0, and
/sys/class/net/eth0/master pointing to /sys/class/net/bond0.
- This means that you can tell quickly whether or not an
+This means that you can tell quickly whether or not an
interface is enslaved by looking for the master symlink. Thus:
# echo -eth0 > /sys/class/net/eth0/master/bonding/slaves
will free eth0 from whatever bond it is enslaved to, regardless of
@@ -1465,127 +1484,143 @@ the name of the bond interface.
Changing a Bond's Configuration
-------------------------------
- Each bond may be configured individually by manipulating the
+Each bond may be configured individually by manipulating the
files located in /sys/class/net/<bond name>/bonding
- The names of these files correspond directly with the command-
+The names of these files correspond directly with the command-
line parameters described elsewhere in this file, and, with the
exception of arp_ip_target, they accept the same values. To see the
current setting, simply cat the appropriate file.
- A few examples will be given here; for specific usage
+A few examples will be given here; for specific usage
guidelines for each parameter, see the appropriate section in this
document.
-To configure bond0 for balance-alb mode:
-# ifconfig bond0 down
-# echo 6 > /sys/class/net/bond0/bonding/mode
- - or -
-# echo balance-alb > /sys/class/net/bond0/bonding/mode
- NOTE: The bond interface must be down before the mode can be
-changed.
-
-To enable MII monitoring on bond0 with a 1 second interval:
-# echo 1000 > /sys/class/net/bond0/bonding/miimon
- NOTE: If ARP monitoring is enabled, it will disabled when MII
-monitoring is enabled, and vice-versa.
-
-To add ARP targets:
-# echo +192.168.0.100 > /sys/class/net/bond0/bonding/arp_ip_target
-# echo +192.168.0.101 > /sys/class/net/bond0/bonding/arp_ip_target
- NOTE: up to 16 target addresses may be specified.
-
-To remove an ARP target:
-# echo -192.168.0.100 > /sys/class/net/bond0/bonding/arp_ip_target
-
-To configure the interval between learning packet transmits:
-# echo 12 > /sys/class/net/bond0/bonding/lp_interval
- NOTE: the lp_interval is the number of seconds between instances where
-the bonding driver sends learning packets to each slaves peer switch. The
-default interval is 1 second.
+To configure bond0 for balance-alb mode::
+
+ # ifconfig bond0 down
+ # echo 6 > /sys/class/net/bond0/bonding/mode
+ - or -
+ # echo balance-alb > /sys/class/net/bond0/bonding/mode
+
+.. note::
+
+ The bond interface must be down before the mode can be changed.
+
+To enable MII monitoring on bond0 with a 1 second interval::
+
+ # echo 1000 > /sys/class/net/bond0/bonding/miimon
+
+.. note::
+
+ If ARP monitoring is enabled, it will disabled when MII
+ monitoring is enabled, and vice-versa.
+
+To add ARP targets::
+
+ # echo +192.168.0.100 > /sys/class/net/bond0/bonding/arp_ip_target
+ # echo +192.168.0.101 > /sys/class/net/bond0/bonding/arp_ip_target
+
+.. note::
+
+ up to 16 target addresses may be specified.
+
+To remove an ARP target::
+
+ # echo -192.168.0.100 > /sys/class/net/bond0/bonding/arp_ip_target
+
+To configure the interval between learning packet transmits::
+
+ # echo 12 > /sys/class/net/bond0/bonding/lp_interval
+
+.. note::
+
+ the lp_interval is the number of seconds between instances where
+ the bonding driver sends learning packets to each slaves peer switch. The
+ default interval is 1 second.
Example Configuration
---------------------
- We begin with the same example that is shown in section 3.3,
+We begin with the same example that is shown in section 3.3,
executed with sysfs, and without using ifenslave.
- To make a simple bond of two e100 devices (presumed to be eth0
+To make a simple bond of two e100 devices (presumed to be eth0
and eth1), and have it persist across reboots, edit the appropriate
file (/etc/init.d/boot.local or /etc/rc.d/rc.local), and add the
-following:
+following::
-modprobe bonding
-modprobe e100
-echo balance-alb > /sys/class/net/bond0/bonding/mode
-ifconfig bond0 192.168.1.1 netmask 255.255.255.0 up
-echo 100 > /sys/class/net/bond0/bonding/miimon
-echo +eth0 > /sys/class/net/bond0/bonding/slaves
-echo +eth1 > /sys/class/net/bond0/bonding/slaves
+ modprobe bonding
+ modprobe e100
+ echo balance-alb > /sys/class/net/bond0/bonding/mode
+ ifconfig bond0 192.168.1.1 netmask 255.255.255.0 up
+ echo 100 > /sys/class/net/bond0/bonding/miimon
+ echo +eth0 > /sys/class/net/bond0/bonding/slaves
+ echo +eth1 > /sys/class/net/bond0/bonding/slaves
- To add a second bond, with two e1000 interfaces in
+To add a second bond, with two e1000 interfaces in
active-backup mode, using ARP monitoring, add the following lines to
-your init script:
+your init script::
-modprobe e1000
-echo +bond1 > /sys/class/net/bonding_masters
-echo active-backup > /sys/class/net/bond1/bonding/mode
-ifconfig bond1 192.168.2.1 netmask 255.255.255.0 up
-echo +192.168.2.100 /sys/class/net/bond1/bonding/arp_ip_target
-echo 2000 > /sys/class/net/bond1/bonding/arp_interval
-echo +eth2 > /sys/class/net/bond1/bonding/slaves
-echo +eth3 > /sys/class/net/bond1/bonding/slaves
+ modprobe e1000
+ echo +bond1 > /sys/class/net/bonding_masters
+ echo active-backup > /sys/class/net/bond1/bonding/mode
+ ifconfig bond1 192.168.2.1 netmask 255.255.255.0 up
+ echo +192.168.2.100 /sys/class/net/bond1/bonding/arp_ip_target
+ echo 2000 > /sys/class/net/bond1/bonding/arp_interval
+ echo +eth2 > /sys/class/net/bond1/bonding/slaves
+ echo +eth3 > /sys/class/net/bond1/bonding/slaves
3.5 Configuration with Interfaces Support
-----------------------------------------
- This section applies to distros which use /etc/network/interfaces file
+This section applies to distros which use /etc/network/interfaces file
to describe network interface configuration, most notably Debian and it's
derivatives.
- The ifup and ifdown commands on Debian don't support bonding out of
+The ifup and ifdown commands on Debian don't support bonding out of
the box. The ifenslave-2.6 package should be installed to provide bonding
-support. Once installed, this package will provide bond-* options to be used
-into /etc/network/interfaces.
+support. Once installed, this package will provide ``bond-*`` options
+to be used into /etc/network/interfaces.
- Note that ifenslave-2.6 package will load the bonding module and use
+Note that ifenslave-2.6 package will load the bonding module and use
the ifenslave command when appropriate.
Example Configurations
----------------------
In /etc/network/interfaces, the following stanza will configure bond0, in
-active-backup mode, with eth0 and eth1 as slaves.
+active-backup mode, with eth0 and eth1 as slaves::
-auto bond0
-iface bond0 inet dhcp
- bond-slaves eth0 eth1
- bond-mode active-backup
- bond-miimon 100
- bond-primary eth0 eth1
+ auto bond0
+ iface bond0 inet dhcp
+ bond-slaves eth0 eth1
+ bond-mode active-backup
+ bond-miimon 100
+ bond-primary eth0 eth1
If the above configuration doesn't work, you might have a system using
upstart for system startup. This is most notably true for recent
Ubuntu versions. The following stanza in /etc/network/interfaces will
-produce the same result on those systems.
-
-auto bond0
-iface bond0 inet dhcp
- bond-slaves none
- bond-mode active-backup
- bond-miimon 100
-
-auto eth0
-iface eth0 inet manual
- bond-master bond0
- bond-primary eth0 eth1
-
-auto eth1
-iface eth1 inet manual
- bond-master bond0
- bond-primary eth0 eth1
-
-For a full list of bond-* supported options in /etc/network/interfaces and some
-more advanced examples tailored to you particular distros, see the files in
+produce the same result on those systems::
+
+ auto bond0
+ iface bond0 inet dhcp
+ bond-slaves none
+ bond-mode active-backup
+ bond-miimon 100
+
+ auto eth0
+ iface eth0 inet manual
+ bond-master bond0
+ bond-primary eth0 eth1
+
+ auto eth1
+ iface eth1 inet manual
+ bond-master bond0
+ bond-primary eth0 eth1
+
+For a full list of ``bond-*`` supported options in /etc/network/interfaces and
+some more advanced examples tailored to you particular distros, see the files in
/usr/share/doc/ifenslave-2.6.
3.6 Overriding Configuration for Special Cases
@@ -1604,37 +1639,37 @@ can safely be sent over either interface. Such configurations may be achieved
using the traffic control utilities inherent in linux.
By default the bonding driver is multiqueue aware and 16 queues are created
-when the driver initializes (see Documentation/networking/multiqueue.txt
+when the driver initializes (see Documentation/networking/multiqueue.rst
for details). If more or less queues are desired the module parameter
tx_queues can be used to change this value. There is no sysfs parameter
available as the allocation is done at module init time.
The output of the file /proc/net/bonding/bondX has changed so the output Queue
-ID is now printed for each slave:
+ID is now printed for each slave::
-Bonding Mode: fault-tolerance (active-backup)
-Primary Slave: None
-Currently Active Slave: eth0
-MII Status: up
-MII Polling Interval (ms): 0
-Up Delay (ms): 0
-Down Delay (ms): 0
+ Bonding Mode: fault-tolerance (active-backup)
+ Primary Slave: None
+ Currently Active Slave: eth0
+ MII Status: up
+ MII Polling Interval (ms): 0
+ Up Delay (ms): 0
+ Down Delay (ms): 0
-Slave Interface: eth0
-MII Status: up
-Link Failure Count: 0
-Permanent HW addr: 00:1a:a0:12:8f:cb
-Slave queue ID: 0
+ Slave Interface: eth0
+ MII Status: up
+ Link Failure Count: 0
+ Permanent HW addr: 00:1a:a0:12:8f:cb
+ Slave queue ID: 0
-Slave Interface: eth1
-MII Status: up
-Link Failure Count: 0
-Permanent HW addr: 00:1a:a0:12:8f:cc
-Slave queue ID: 2
+ Slave Interface: eth1
+ MII Status: up
+ Link Failure Count: 0
+ Permanent HW addr: 00:1a:a0:12:8f:cc
+ Slave queue ID: 2
-The queue_id for a slave can be set using the command:
+The queue_id for a slave can be set using the command::
-# echo "eth1:2" > /sys/class/net/bond0/bonding/queue_id
+ # echo "eth1:2" > /sys/class/net/bond0/bonding/queue_id
Any interface that needs a queue_id set should set it with multiple calls
like the one above until proper priorities are set for all interfaces. On
@@ -1645,12 +1680,12 @@ These queue id's can be used in conjunction with the tc utility to configure
a multiqueue qdisc and filters to bias certain traffic to transmit on certain
slave devices. For instance, say we wanted, in the above configuration to
force all traffic bound to 192.168.1.100 to use eth1 in the bond as its output
-device. The following commands would accomplish this:
+device. The following commands would accomplish this::
-# tc qdisc add dev bond0 handle 1 root multiq
+ # tc qdisc add dev bond0 handle 1 root multiq
-# tc filter add dev bond0 protocol ip parent 1: prio 1 u32 match ip dst \
- 192.168.1.100 action skbedit queue_mapping 2
+ # tc filter add dev bond0 protocol ip parent 1: prio 1 u32 match ip \
+ dst 192.168.1.100 action skbedit queue_mapping 2
These commands tell the kernel to attach a multiqueue queue discipline to the
bond0 interface and filter traffic enqueued to it, such that packets with a dst
@@ -1663,7 +1698,7 @@ that normal output policy selection should take place. One benefit to simply
leaving the qid for a slave to 0 is the multiqueue awareness in the bonding
driver that is now present. This awareness allows tc filters to be placed on
slave devices as well as bond devices and the bonding driver will simply act as
-a pass-through for selecting output queues on the slave device rather than
+a pass-through for selecting output queues on the slave device rather than
output port selection.
This feature first appeared in bonding driver version 3.7.0 and support for
@@ -1689,31 +1724,31 @@ few bonding parameters:
(a) ad_actor_system : You can set a random mac-address that can be used for
these LACPDU exchanges. The value can not be either NULL or Multicast.
Also it's preferable to set the local-admin bit. Following shell code
- generates a random mac-address as described above.
+ generates a random mac-address as described above::
- # sys_mac_addr=$(printf '%02x:%02x:%02x:%02x:%02x:%02x' \
- $(( (RANDOM & 0xFE) | 0x02 )) \
- $(( RANDOM & 0xFF )) \
- $(( RANDOM & 0xFF )) \
- $(( RANDOM & 0xFF )) \
- $(( RANDOM & 0xFF )) \
- $(( RANDOM & 0xFF )))
- # echo $sys_mac_addr > /sys/class/net/bond0/bonding/ad_actor_system
+ # sys_mac_addr=$(printf '%02x:%02x:%02x:%02x:%02x:%02x' \
+ $(( (RANDOM & 0xFE) | 0x02 )) \
+ $(( RANDOM & 0xFF )) \
+ $(( RANDOM & 0xFF )) \
+ $(( RANDOM & 0xFF )) \
+ $(( RANDOM & 0xFF )) \
+ $(( RANDOM & 0xFF )))
+ # echo $sys_mac_addr > /sys/class/net/bond0/bonding/ad_actor_system
(b) ad_actor_sys_prio : Randomize the system priority. The default value
is 65535, but system can take the value from 1 - 65535. Following shell
- code generates random priority and sets it.
+ code generates random priority and sets it::
- # sys_prio=$(( 1 + RANDOM + RANDOM ))
- # echo $sys_prio > /sys/class/net/bond0/bonding/ad_actor_sys_prio
+ # sys_prio=$(( 1 + RANDOM + RANDOM ))
+ # echo $sys_prio > /sys/class/net/bond0/bonding/ad_actor_sys_prio
(c) ad_user_port_key : Use the user portion of the port-key. The default
keeps this empty. These are the upper 10 bits of the port-key and value
ranges from 0 - 1023. Following shell code generates these 10 bits and
- sets it.
+ sets it::
- # usr_port_key=$(( RANDOM & 0x3FF ))
- # echo $usr_port_key > /sys/class/net/bond0/bonding/ad_user_port_key
+ # usr_port_key=$(( RANDOM & 0x3FF ))
+ # echo $usr_port_key > /sys/class/net/bond0/bonding/ad_user_port_key
4 Querying Bonding Configuration
@@ -1722,81 +1757,81 @@ few bonding parameters:
4.1 Bonding Configuration
-------------------------
- Each bonding device has a read-only file residing in the
+Each bonding device has a read-only file residing in the
/proc/net/bonding directory. The file contents include information
about the bonding configuration, options and state of each slave.
- For example, the contents of /proc/net/bonding/bond0 after the
+For example, the contents of /proc/net/bonding/bond0 after the
driver is loaded with parameters of mode=0 and miimon=1000 is
-generally as follows:
+generally as follows::
Ethernet Channel Bonding Driver: 2.6.1 (October 29, 2004)
- Bonding Mode: load balancing (round-robin)
- Currently Active Slave: eth0
- MII Status: up
- MII Polling Interval (ms): 1000
- Up Delay (ms): 0
- Down Delay (ms): 0
-
- Slave Interface: eth1
- MII Status: up
- Link Failure Count: 1
-
- Slave Interface: eth0
- MII Status: up
- Link Failure Count: 1
-
- The precise format and contents will change depending upon the
+ Bonding Mode: load balancing (round-robin)
+ Currently Active Slave: eth0
+ MII Status: up
+ MII Polling Interval (ms): 1000
+ Up Delay (ms): 0
+ Down Delay (ms): 0
+
+ Slave Interface: eth1
+ MII Status: up
+ Link Failure Count: 1
+
+ Slave Interface: eth0
+ MII Status: up
+ Link Failure Count: 1
+
+The precise format and contents will change depending upon the
bonding configuration, state, and version of the bonding driver.
4.2 Network configuration
-------------------------
- The network configuration can be inspected using the ifconfig
+The network configuration can be inspected using the ifconfig
command. Bonding devices will have the MASTER flag set; Bonding slave
devices will have the SLAVE flag set. The ifconfig output does not
contain information on which slaves are associated with which masters.
- In the example below, the bond0 interface is the master
+In the example below, the bond0 interface is the master
(MASTER) while eth0 and eth1 are slaves (SLAVE). Notice all slaves of
bond0 have the same MAC address (HWaddr) as bond0 for all modes except
-TLB and ALB that require a unique MAC address for each slave.
-
-# /sbin/ifconfig
-bond0 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
- inet addr:XXX.XXX.XXX.YYY Bcast:XXX.XXX.XXX.255 Mask:255.255.252.0
- UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
- RX packets:7224794 errors:0 dropped:0 overruns:0 frame:0
- TX packets:3286647 errors:1 dropped:0 overruns:1 carrier:0
- collisions:0 txqueuelen:0
-
-eth0 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
- UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
- RX packets:3573025 errors:0 dropped:0 overruns:0 frame:0
- TX packets:1643167 errors:1 dropped:0 overruns:1 carrier:0
- collisions:0 txqueuelen:100
- Interrupt:10 Base address:0x1080
-
-eth1 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
- UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
- RX packets:3651769 errors:0 dropped:0 overruns:0 frame:0
- TX packets:1643480 errors:0 dropped:0 overruns:0 carrier:0
- collisions:0 txqueuelen:100
- Interrupt:9 Base address:0x1400
+TLB and ALB that require a unique MAC address for each slave::
+
+ # /sbin/ifconfig
+ bond0 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
+ inet addr:XXX.XXX.XXX.YYY Bcast:XXX.XXX.XXX.255 Mask:255.255.252.0
+ UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1
+ RX packets:7224794 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:3286647 errors:1 dropped:0 overruns:1 carrier:0
+ collisions:0 txqueuelen:0
+
+ eth0 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
+ UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
+ RX packets:3573025 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:1643167 errors:1 dropped:0 overruns:1 carrier:0
+ collisions:0 txqueuelen:100
+ Interrupt:10 Base address:0x1080
+
+ eth1 Link encap:Ethernet HWaddr 00:C0:F0:1F:37:B4
+ UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1
+ RX packets:3651769 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:1643480 errors:0 dropped:0 overruns:0 carrier:0
+ collisions:0 txqueuelen:100
+ Interrupt:9 Base address:0x1400
5. Switch Configuration
=======================
- For this section, "switch" refers to whatever system the
+For this section, "switch" refers to whatever system the
bonded devices are directly connected to (i.e., where the other end of
the cable plugs into). This may be an actual dedicated switch device,
or it may be another regular system (e.g., another computer running
Linux),
- The active-backup, balance-tlb and balance-alb modes do not
+The active-backup, balance-tlb and balance-alb modes do not
require any specific configuration of the switch.
- The 802.3ad mode requires that the switch have the appropriate
+The 802.3ad mode requires that the switch have the appropriate
ports configured as an 802.3ad aggregation. The precise method used
to configure this varies from switch to switch, but, for example, a
Cisco 3550 series switch requires that the appropriate ports first be
@@ -1804,7 +1839,7 @@ grouped together in a single etherchannel instance, then that
etherchannel is set to mode "lacp" to enable 802.3ad (instead of
standard EtherChannel).
- The balance-rr, balance-xor and broadcast modes generally
+The balance-rr, balance-xor and broadcast modes generally
require that the switch have the appropriate ports grouped together.
The nomenclature for such a group differs between switches, it may be
called an "etherchannel" (as in the Cisco example, above), a "trunk
@@ -1820,7 +1855,7 @@ with another EtherChannel group.
6. 802.1q VLAN Support
======================
- It is possible to configure VLAN devices over a bond interface
+It is possible to configure VLAN devices over a bond interface
using the 8021q driver. However, only packets coming from the 8021q
driver and passing through bonding will be tagged by default. Self
generated packets, for example, bonding's learning packets or ARP
@@ -1829,7 +1864,7 @@ tagged internally by bonding itself. As a result, bonding must
"learn" the VLAN IDs configured above it, and use those IDs to tag
self generated packets.
- For reasons of simplicity, and to support the use of adapters
+For reasons of simplicity, and to support the use of adapters
that can do VLAN hardware acceleration offloading, the bonding
interface declares itself as fully hardware offloading capable, it gets
the add_vid/kill_vid notifications to gather the necessary
@@ -1839,7 +1874,7 @@ should go through an adapter that is not offloading capable are
"un-accelerated" by the bonding driver so the VLAN tag sits in the
regular location.
- VLAN interfaces *must* be added on top of a bonding interface
+VLAN interfaces *must* be added on top of a bonding interface
only after enslaving at least one slave. The bonding interface has a
hardware address of 00:00:00:00:00:00 until the first slave is added.
If the VLAN interface is created prior to the first enslavement, it
@@ -1847,23 +1882,23 @@ would pick up the all-zeroes hardware address. Once the first slave
is attached to the bond, the bond device itself will pick up the
slave's hardware address, which is then available for the VLAN device.
- Also, be aware that a similar problem can occur if all slaves
+Also, be aware that a similar problem can occur if all slaves
are released from a bond that still has one or more VLAN interfaces on
top of it. When a new slave is added, the bonding interface will
obtain its hardware address from the first slave, which might not
match the hardware address of the VLAN interfaces (which was
ultimately copied from an earlier slave).
- There are two methods to insure that the VLAN device operates
+There are two methods to insure that the VLAN device operates
with the correct hardware address if all slaves are removed from a
bond interface:
- 1. Remove all VLAN interfaces then recreate them
+1. Remove all VLAN interfaces then recreate them
- 2. Set the bonding interface's hardware address so that it
+2. Set the bonding interface's hardware address so that it
matches the hardware address of the VLAN interfaces.
- Note that changing a VLAN interface's HW address would set the
+Note that changing a VLAN interface's HW address would set the
underlying device -- i.e. the bonding interface -- to promiscuous
mode, which might not be what you want.
@@ -1871,24 +1906,24 @@ mode, which might not be what you want.
7. Link Monitoring
==================
- The bonding driver at present supports two schemes for
+The bonding driver at present supports two schemes for
monitoring a slave device's link state: the ARP monitor and the MII
monitor.
- At the present time, due to implementation restrictions in the
+At the present time, due to implementation restrictions in the
bonding driver itself, it is not possible to enable both ARP and MII
monitoring simultaneously.
7.1 ARP Monitor Operation
-------------------------
- The ARP monitor operates as its name suggests: it sends ARP
+The ARP monitor operates as its name suggests: it sends ARP
queries to one or more designated peer systems on the network, and
uses the response as an indication that the link is operating. This
gives some assurance that traffic is actually flowing to and from one
or more peers on the local network.
- The ARP monitor relies on the device driver itself to verify
+The ARP monitor relies on the device driver itself to verify
that traffic is flowing. In particular, the driver must keep up to
date the last receive time, dev->last_rx. Drivers that use NETIF_F_LLTX
flag must also update netdev_queue->trans_start. If they do not, then the
@@ -1900,36 +1935,36 @@ your device driver is not updating last_rx and trans_start.
7.2 Configuring Multiple ARP Targets
------------------------------------
- While ARP monitoring can be done with just one target, it can
+While ARP monitoring can be done with just one target, it can
be useful in a High Availability setup to have several targets to
monitor. In the case of just one target, the target itself may go
down or have a problem making it unresponsive to ARP requests. Having
an additional target (or several) increases the reliability of the ARP
monitoring.
- Multiple ARP targets must be separated by commas as follows:
+Multiple ARP targets must be separated by commas as follows::
-# example options for ARP monitoring with three targets
-alias bond0 bonding
-options bond0 arp_interval=60 arp_ip_target=192.168.0.1,192.168.0.3,192.168.0.9
+ # example options for ARP monitoring with three targets
+ alias bond0 bonding
+ options bond0 arp_interval=60 arp_ip_target=192.168.0.1,192.168.0.3,192.168.0.9
- For just a single target the options would resemble:
+For just a single target the options would resemble::
-# example options for ARP monitoring with one target
-alias bond0 bonding
-options bond0 arp_interval=60 arp_ip_target=192.168.0.100
+ # example options for ARP monitoring with one target
+ alias bond0 bonding
+ options bond0 arp_interval=60 arp_ip_target=192.168.0.100
7.3 MII Monitor Operation
-------------------------
- The MII monitor monitors only the carrier state of the local
+The MII monitor monitors only the carrier state of the local
network interface. It accomplishes this in one of three ways: by
depending upon the device driver to maintain its carrier state, by
querying the device's MII registers, or by making an ethtool query to
the device.
- If the use_carrier module parameter is 1 (the default value),
+If the use_carrier module parameter is 1 (the default value),
then the MII monitor will rely on the driver for carrier state
information (via the netif_carrier subsystem). As explained in the
use_carrier parameter information, above, if the MII monitor fails to
@@ -1937,7 +1972,7 @@ detect carrier loss on the device (e.g., when the cable is physically
disconnected), it may be that the driver does not support
netif_carrier.
- If use_carrier is 0, then the MII monitor will first query the
+If use_carrier is 0, then the MII monitor will first query the
device's (via ioctl) MII registers and check the link state. If that
request fails (not just that it returns carrier down), then the MII
monitor will make an ethtool ETHOOL_GLINK request to attempt to obtain
@@ -1952,25 +1987,25 @@ up.
8.1 Adventures in Routing
-------------------------
- When bonding is configured, it is important that the slave
+When bonding is configured, it is important that the slave
devices not have routes that supersede routes of the master (or,
generally, not have routes at all). For example, suppose the bonding
device bond0 has two slaves, eth0 and eth1, and the routing table is
-as follows:
+as follows::
-Kernel IP routing table
-Destination Gateway Genmask Flags MSS Window irtt Iface
-10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 eth0
-10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 eth1
-10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 bond0
-127.0.0.0 0.0.0.0 255.0.0.0 U 40 0 0 lo
+ Kernel IP routing table
+ Destination Gateway Genmask Flags MSS Window irtt Iface
+ 10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 eth0
+ 10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 eth1
+ 10.0.0.0 0.0.0.0 255.255.0.0 U 40 0 0 bond0
+ 127.0.0.0 0.0.0.0 255.0.0.0 U 40 0 0 lo
- This routing configuration will likely still update the
+This routing configuration will likely still update the
receive/transmit times in the driver (needed by the ARP monitor), but
may bypass the bonding driver (because outgoing traffic to, in this
case, another host on network 10 would use eth0 or eth1 before bond0).
- The ARP monitor (and ARP itself) may become confused by this
+The ARP monitor (and ARP itself) may become confused by this
configuration, because ARP requests (generated by the ARP monitor)
will be sent on one interface (bond0), but the corresponding reply
will arrive on a different interface (eth0). This reply looks to ARP
@@ -1978,7 +2013,7 @@ as an unsolicited ARP reply (because ARP matches replies on an
interface basis), and is discarded. The MII monitor is not affected
by the state of the routing table.
- The solution here is simply to insure that slaves do not have
+The solution here is simply to insure that slaves do not have
routes of their own, and if for some reason they must, those routes do
not supersede routes of their master. This should generally be the
case, but unusual configurations or errant manual or automatic static
@@ -1987,22 +2022,22 @@ route additions may cause trouble.
8.2 Ethernet Device Renaming
----------------------------
- On systems with network configuration scripts that do not
+On systems with network configuration scripts that do not
associate physical devices directly with network interface names (so
that the same physical device always has the same "ethX" name), it may
be necessary to add some special logic to config files in
/etc/modprobe.d/.
- For example, given a modules.conf containing the following:
+For example, given a modules.conf containing the following::
-alias bond0 bonding
-options bond0 mode=some-mode miimon=50
-alias eth0 tg3
-alias eth1 tg3
-alias eth2 e1000
-alias eth3 e1000
+ alias bond0 bonding
+ options bond0 mode=some-mode miimon=50
+ alias eth0 tg3
+ alias eth1 tg3
+ alias eth2 e1000
+ alias eth3 e1000
- If neither eth0 and eth1 are slaves to bond0, then when the
+If neither eth0 and eth1 are slaves to bond0, then when the
bond0 interface comes up, the devices may end up reordered. This
happens because bonding is loaded first, then its slave device's
drivers are loaded next. Since no other drivers have been loaded,
@@ -2010,36 +2045,36 @@ when the e1000 driver loads, it will receive eth0 and eth1 for its
devices, but the bonding configuration tries to enslave eth2 and eth3
(which may later be assigned to the tg3 devices).
- Adding the following:
+Adding the following::
-add above bonding e1000 tg3
+ add above bonding e1000 tg3
- causes modprobe to load e1000 then tg3, in that order, when
+causes modprobe to load e1000 then tg3, in that order, when
bonding is loaded. This command is fully documented in the
modules.conf manual page.
- On systems utilizing modprobe an equivalent problem can occur.
+On systems utilizing modprobe an equivalent problem can occur.
In this case, the following can be added to config files in
-/etc/modprobe.d/ as:
+/etc/modprobe.d/ as::
-softdep bonding pre: tg3 e1000
+ softdep bonding pre: tg3 e1000
- This will load tg3 and e1000 modules before loading the bonding one.
+This will load tg3 and e1000 modules before loading the bonding one.
Full documentation on this can be found in the modprobe.d and modprobe
manual pages.
8.3. Painfully Slow Or No Failed Link Detection By Miimon
---------------------------------------------------------
- By default, bonding enables the use_carrier option, which
+By default, bonding enables the use_carrier option, which
instructs bonding to trust the driver to maintain carrier state.
- As discussed in the options section, above, some drivers do
+As discussed in the options section, above, some drivers do
not support the netif_carrier_on/_off link state tracking system.
With use_carrier enabled, bonding will always see these links as up,
regardless of their actual state.
- Additionally, other drivers do support netif_carrier, but do
+Additionally, other drivers do support netif_carrier, but do
not maintain it in real time, e.g., only polling the link state at
some fixed interval. In this case, miimon will detect failures, but
only after some long period of time has expired. If it appears that
@@ -2051,7 +2086,7 @@ use_carrier=0 method of querying the registers directly works). If
use_carrier=0 does not improve the failover, then the driver may cache
the registers, or the problem may be elsewhere.
- Also, remember that miimon only checks for the device's
+Also, remember that miimon only checks for the device's
carrier state. It has no way to determine the state of devices on or
beyond other ports of a switch, or if a switch is refusing to pass
traffic while still maintaining carrier on.
@@ -2059,7 +2094,7 @@ traffic while still maintaining carrier on.
9. SNMP agents
===============
- If running SNMP agents, the bonding driver should be loaded
+If running SNMP agents, the bonding driver should be loaded
before any network drivers participating in a bond. This requirement
is due to the interface index (ipAdEntIfIndex) being associated to
the first interface found with a given IP address. That is, there is
@@ -2070,6 +2105,8 @@ with the eth0 interface. This configuration is shown below, the IP
address 192.168.1.1 has an interface index of 2 which indexes to eth0
in the ifDescr table (ifDescr.2).
+::
+
interfaces.ifTable.ifEntry.ifDescr.1 = lo
interfaces.ifTable.ifEntry.ifDescr.2 = eth0
interfaces.ifTable.ifEntry.ifDescr.3 = eth1
@@ -2081,7 +2118,7 @@ in the ifDescr table (ifDescr.2).
ip.ipAddrTable.ipAddrEntry.ipAdEntIfIndex.10.74.20.94 = 4
ip.ipAddrTable.ipAddrEntry.ipAdEntIfIndex.127.0.0.1 = 1
- This problem is avoided by loading the bonding driver before
+This problem is avoided by loading the bonding driver before
any network drivers participating in a bond. Below is an example of
loading the bonding driver first, the IP address 192.168.1.1 is
correctly associated with ifDescr.2.
@@ -2097,7 +2134,7 @@ correctly associated with ifDescr.2.
ip.ipAddrTable.ipAddrEntry.ipAdEntIfIndex.10.74.20.94 = 5
ip.ipAddrTable.ipAddrEntry.ipAdEntIfIndex.127.0.0.1 = 1
- While some distributions may not report the interface name in
+While some distributions may not report the interface name in
ifDescr, the association between the IP address and IfIndex remains
and SNMP functions such as Interface_Scan_Next will report that
association.
@@ -2105,34 +2142,34 @@ association.
10. Promiscuous mode
====================
- When running network monitoring tools, e.g., tcpdump, it is
+When running network monitoring tools, e.g., tcpdump, it is
common to enable promiscuous mode on the device, so that all traffic
is seen (instead of seeing only traffic destined for the local host).
The bonding driver handles promiscuous mode changes to the bonding
master device (e.g., bond0), and propagates the setting to the slave
devices.
- For the balance-rr, balance-xor, broadcast, and 802.3ad modes,
+For the balance-rr, balance-xor, broadcast, and 802.3ad modes,
the promiscuous mode setting is propagated to all slaves.
- For the active-backup, balance-tlb and balance-alb modes, the
+For the active-backup, balance-tlb and balance-alb modes, the
promiscuous mode setting is propagated only to the active slave.
- For balance-tlb mode, the active slave is the slave currently
+For balance-tlb mode, the active slave is the slave currently
receiving inbound traffic.
- For balance-alb mode, the active slave is the slave used as a
+For balance-alb mode, the active slave is the slave used as a
"primary." This slave is used for mode-specific control traffic, for
sending to peers that are unassigned or if the load is unbalanced.
- For the active-backup, balance-tlb and balance-alb modes, when
+For the active-backup, balance-tlb and balance-alb modes, when
the active slave changes (e.g., due to a link failure), the
promiscuous setting will be propagated to the new active slave.
11. Configuring Bonding for High Availability
=============================================
- High Availability refers to configurations that provide
+High Availability refers to configurations that provide
maximum network availability by having redundant or backup devices,
links or switches between the host and the rest of the world. The
goal is to provide the maximum availability of network connectivity
@@ -2142,7 +2179,7 @@ could provide higher throughput.
11.1 High Availability in a Single Switch Topology
--------------------------------------------------
- If two hosts (or a host and a single switch) are directly
+If two hosts (or a host and a single switch) are directly
connected via multiple physical links, then there is no availability
penalty to optimizing for maximum bandwidth. In this case, there is
only one switch (or peer), so if it fails, there is no alternative
@@ -2150,32 +2187,32 @@ access to fail over to. Additionally, the bonding load balance modes
support link monitoring of their members, so if individual links fail,
the load will be rebalanced across the remaining devices.
- See Section 12, "Configuring Bonding for Maximum Throughput"
+See Section 12, "Configuring Bonding for Maximum Throughput"
for information on configuring bonding with one peer device.
11.2 High Availability in a Multiple Switch Topology
----------------------------------------------------
- With multiple switches, the configuration of bonding and the
+With multiple switches, the configuration of bonding and the
network changes dramatically. In multiple switch topologies, there is
a trade off between network availability and usable bandwidth.
- Below is a sample network, configured to maximize the
-availability of the network:
-
- | |
- |port3 port3|
- +-----+----+ +-----+----+
- | |port2 ISL port2| |
- | switch A +--------------------------+ switch B |
- | | | |
- +-----+----+ +-----++---+
- |port1 port1|
- | +-------+ |
- +-------------+ host1 +---------------+
- eth0 +-------+ eth1
-
- In this configuration, there is a link between the two
+Below is a sample network, configured to maximize the
+availability of the network::
+
+ | |
+ |port3 port3|
+ +-----+----+ +-----+----+
+ | |port2 ISL port2| |
+ | switch A +--------------------------+ switch B |
+ | | | |
+ +-----+----+ +-----++---+
+ |port1 port1|
+ | +-------+ |
+ +-------------+ host1 +---------------+
+ eth0 +-------+ eth1
+
+In this configuration, there is a link between the two
switches (ISL, or inter switch link), and multiple ports connecting to
the outside world ("port3" on each switch). There is no technical
reason that this could not be extended to a third switch.
@@ -2183,19 +2220,21 @@ reason that this could not be extended to a third switch.
11.2.1 HA Bonding Mode Selection for Multiple Switch Topology
-------------------------------------------------------------
- In a topology such as the example above, the active-backup and
+In a topology such as the example above, the active-backup and
broadcast modes are the only useful bonding modes when optimizing for
availability; the other modes require all links to terminate on the
same peer for them to behave rationally.
-active-backup: This is generally the preferred mode, particularly if
+active-backup:
+ This is generally the preferred mode, particularly if
the switches have an ISL and play together well. If the
network configuration is such that one switch is specifically
a backup switch (e.g., has lower capacity, higher cost, etc),
then the primary option can be used to insure that the
preferred link is always used when it is available.
-broadcast: This mode is really a special purpose mode, and is suitable
+broadcast:
+ This mode is really a special purpose mode, and is suitable
only for very specific needs. For example, if the two
switches are not connected (no ISL), and the networks beyond
them are totally independent. In this case, if it is
@@ -2205,7 +2244,7 @@ broadcast: This mode is really a special purpose mode, and is suitable
11.2.2 HA Link Monitoring Selection for Multiple Switch Topology
----------------------------------------------------------------
- The choice of link monitoring ultimately depends upon your
+The choice of link monitoring ultimately depends upon your
switch. If the switch can reliably fail ports in response to other
failures, then either the MII or ARP monitors should work. For
example, in the above example, if the "port3" link fails at the remote
@@ -2213,7 +2252,7 @@ end, the MII monitor has no direct means to detect this. The ARP
monitor could be configured with a target at the remote end of port3,
thus detecting that failure without switch support.
- In general, however, in a multiple switch topology, the ARP
+In general, however, in a multiple switch topology, the ARP
monitor can provide a higher level of reliability in detecting end to
end connectivity failures (which may be caused by the failure of any
individual component to pass traffic for any reason). Additionally,
@@ -2222,7 +2261,7 @@ one for each switch in the network). This will insure that,
regardless of which switch is active, the ARP monitor has a suitable
target to query.
- Note, also, that of late many switches now support a functionality
+Note, also, that of late many switches now support a functionality
generally referred to as "trunk failover." This is a feature of the
switch that causes the link state of a particular switch port to be set
down (or up) when the state of another switch port goes down (or up).
@@ -2238,18 +2277,18 @@ suitable switches.
12.1 Maximizing Throughput in a Single Switch Topology
------------------------------------------------------
- In a single switch configuration, the best method to maximize
+In a single switch configuration, the best method to maximize
throughput depends upon the application and network environment. The
various load balancing modes each have strengths and weaknesses in
different environments, as detailed below.
- For this discussion, we will break down the topologies into
+For this discussion, we will break down the topologies into
two categories. Depending upon the destination of most traffic, we
categorize them into either "gatewayed" or "local" configurations.
- In a gatewayed configuration, the "switch" is acting primarily
+In a gatewayed configuration, the "switch" is acting primarily
as a router, and the majority of traffic passes through this router to
-other networks. An example would be the following:
+other networks. An example would be the following::
+----------+ +----------+
@@ -2259,25 +2298,25 @@ other networks. An example would be the following:
| |eth1 port2| | here somewhere
+----------+ +----------+
- The router may be a dedicated router device, or another host
+The router may be a dedicated router device, or another host
acting as a gateway. For our discussion, the important point is that
the majority of traffic from Host A will pass through the router to
some other network before reaching its final destination.
- In a gatewayed network configuration, although Host A may
+In a gatewayed network configuration, although Host A may
communicate with many other systems, all of its traffic will be sent
and received via one other peer on the local network, the router.
- Note that the case of two systems connected directly via
+Note that the case of two systems connected directly via
multiple physical links is, for purposes of configuring bonding, the
same as a gatewayed configuration. In that case, it happens that all
traffic is destined for the "gateway" itself, not some other network
beyond the gateway.
- In a local configuration, the "switch" is acting primarily as
+In a local configuration, the "switch" is acting primarily as
a switch, and the majority of traffic passes through this switch to
reach other stations on the same network. An example would be the
-following:
+following::
+----------+ +----------+ +--------+
| |eth0 port1| +-------+ Host B |
@@ -2287,19 +2326,19 @@ following:
+----------+ +----------+port4 +--------+
- Again, the switch may be a dedicated switch device, or another
+Again, the switch may be a dedicated switch device, or another
host acting as a gateway. For our discussion, the important point is
that the majority of traffic from Host A is destined for other hosts
on the same local network (Hosts B and C in the above example).
- In summary, in a gatewayed configuration, traffic to and from
+In summary, in a gatewayed configuration, traffic to and from
the bonded device will be to the same MAC level peer on the network
(the gateway itself, i.e., the router), regardless of its final
destination. In a local configuration, traffic flows directly to and
from the final destinations, thus, each destination (Host B, Host C)
will be addressed directly by their individual MAC addresses.
- This distinction between a gatewayed and a local network
+This distinction between a gatewayed and a local network
configuration is important because many of the load balancing modes
available use the MAC addresses of the local network source and
destination to make load balancing decisions. The behavior of each
@@ -2309,11 +2348,12 @@ mode is described below.
12.1.1 MT Bonding Mode Selection for Single Switch Topology
-----------------------------------------------------------
- This configuration is the easiest to set up and to understand,
+This configuration is the easiest to set up and to understand,
although you will have to decide which bonding mode best suits your
needs. The trade offs for each mode are detailed below:
-balance-rr: This mode is the only mode that will permit a single
+balance-rr:
+ This mode is the only mode that will permit a single
TCP/IP connection to stripe traffic across multiple
interfaces. It is therefore the only mode that will allow a
single TCP/IP stream to utilize more than one interface's
@@ -2351,7 +2391,8 @@ balance-rr: This mode is the only mode that will permit a single
This mode requires the switch to have the appropriate ports
configured for "etherchannel" or "trunking."
-active-backup: There is not much advantage in this network topology to
+active-backup:
+ There is not much advantage in this network topology to
the active-backup mode, as the inactive backup devices are all
connected to the same peer as the primary. In this case, a
load balancing mode (with link monitoring) will provide the
@@ -2361,7 +2402,8 @@ active-backup: There is not much advantage in this network topology to
have value if the hardware available does not support any of
the load balance modes.
-balance-xor: This mode will limit traffic such that packets destined
+balance-xor:
+ This mode will limit traffic such that packets destined
for specific peers will always be sent over the same
interface. Since the destination is determined by the MAC
addresses involved, this mode works best in a "local" network
@@ -2373,10 +2415,12 @@ balance-xor: This mode will limit traffic such that packets destined
As with balance-rr, the switch ports need to be configured for
"etherchannel" or "trunking."
-broadcast: Like active-backup, there is not much advantage to this
+broadcast:
+ Like active-backup, there is not much advantage to this
mode in this type of network topology.
-802.3ad: This mode can be a good choice for this type of network
+802.3ad:
+ This mode can be a good choice for this type of network
topology. The 802.3ad mode is an IEEE standard, so all peers
that implement 802.3ad should interoperate well. The 802.3ad
protocol includes automatic configuration of the aggregates,
@@ -2390,7 +2434,7 @@ broadcast: Like active-backup, there is not much advantage to this
the same speed and duplex. Also, as with all bonding load
balance modes other than balance-rr, no single connection will
be able to utilize more than a single interface's worth of
- bandwidth.
+ bandwidth.
Additionally, the linux bonding 802.3ad implementation
distributes traffic by peer (using an XOR of MAC addresses
@@ -2404,7 +2448,8 @@ broadcast: Like active-backup, there is not much advantage to this
Finally, the 802.3ad mode mandates the use of the MII monitor,
therefore, the ARP monitor is not available in this mode.
-balance-tlb: The balance-tlb mode balances outgoing traffic by peer.
+balance-tlb:
+ The balance-tlb mode balances outgoing traffic by peer.
Since the balancing is done according to MAC address, in a
"gatewayed" configuration (as described above), this mode will
send all traffic across a single device. However, in a
@@ -2422,7 +2467,8 @@ balance-tlb: The balance-tlb mode balances outgoing traffic by peer.
network device driver of the slave interfaces, and the ARP
monitor is not available.
-balance-alb: This mode is everything that balance-tlb is, and more.
+balance-alb:
+ This mode is everything that balance-tlb is, and more.
It has all of the features (and restrictions) of balance-tlb,
and will also balance incoming traffic from local network
peers (as described in the Bonding Module Options section,
@@ -2435,7 +2481,7 @@ balance-alb: This mode is everything that balance-tlb is, and more.
12.1.2 MT Link Monitoring for Single Switch Topology
----------------------------------------------------
- The choice of link monitoring may largely depend upon which
+The choice of link monitoring may largely depend upon which
mode you choose to use. The more advanced load balancing modes do not
support the use of the ARP monitor, and are thus restricted to using
the MII monitor (which does not provide as high a level of end to end
@@ -2444,27 +2490,27 @@ assurance as the ARP monitor).
12.2 Maximum Throughput in a Multiple Switch Topology
-----------------------------------------------------
- Multiple switches may be utilized to optimize for throughput
+Multiple switches may be utilized to optimize for throughput
when they are configured in parallel as part of an isolated network
-between two or more systems, for example:
-
- +-----------+
- | Host A |
- +-+---+---+-+
- | | |
- +--------+ | +---------+
- | | |
- +------+---+ +-----+----+ +-----+----+
- | Switch A | | Switch B | | Switch C |
- +------+---+ +-----+----+ +-----+----+
- | | |
- +--------+ | +---------+
- | | |
- +-+---+---+-+
- | Host B |
- +-----------+
-
- In this configuration, the switches are isolated from one
+between two or more systems, for example::
+
+ +-----------+
+ | Host A |
+ +-+---+---+-+
+ | | |
+ +--------+ | +---------+
+ | | |
+ +------+---+ +-----+----+ +-----+----+
+ | Switch A | | Switch B | | Switch C |
+ +------+---+ +-----+----+ +-----+----+
+ | | |
+ +--------+ | +---------+
+ | | |
+ +-+---+---+-+
+ | Host B |
+ +-----------+
+
+In this configuration, the switches are isolated from one
another. One reason to employ a topology such as this is for an
isolated network with many hosts (a cluster configured for high
performance, for example), using multiple smaller switches can be more
@@ -2472,14 +2518,14 @@ cost effective than a single larger switch, e.g., on a network with 24
hosts, three 24 port switches can be significantly less expensive than
a single 72 port switch.
- If access beyond the network is required, an individual host
+If access beyond the network is required, an individual host
can be equipped with an additional network device connected to an
external network; this host then additionally acts as a gateway.
12.2.1 MT Bonding Mode Selection for Multiple Switch Topology
-------------------------------------------------------------
- In actual practice, the bonding mode typically employed in
+In actual practice, the bonding mode typically employed in
configurations of this type is balance-rr. Historically, in this
network configuration, the usual caveats about out of order packet
delivery are mitigated by the use of network adapters that do not do
@@ -2492,7 +2538,7 @@ utilize greater than one interface's bandwidth.
12.2.2 MT Link Monitoring for Multiple Switch Topology
------------------------------------------------------
- Again, in actual practice, the MII monitor is most often used
+Again, in actual practice, the MII monitor is most often used
in this configuration, as performance is given preference over
availability. The ARP monitor will function in this topology, but its
advantages over the MII monitor are mitigated by the volume of probes
@@ -2505,10 +2551,10 @@ host in the network is configured with bonding).
13.1 Link Establishment and Failover Delays
-------------------------------------------
- Some switches exhibit undesirable behavior with regard to the
+Some switches exhibit undesirable behavior with regard to the
timing of link up and down reporting by the switch.
- First, when a link comes up, some switches may indicate that
+First, when a link comes up, some switches may indicate that
the link is up (carrier available), but not pass traffic over the
interface for some period of time. This delay is typically due to
some type of autonegotiation or routing protocol, but may also occur
@@ -2517,12 +2563,12 @@ failure). If you find this to be a problem, specify an appropriate
value to the updelay bonding module option to delay the use of the
relevant interface(s).
- Second, some switches may "bounce" the link state one or more
+Second, some switches may "bounce" the link state one or more
times while a link is changing state. This occurs most commonly while
the switch is initializing. Again, an appropriate updelay value may
help.
- Note that when a bonding interface has no active links, the
+Note that when a bonding interface has no active links, the
driver will immediately reuse the first link that goes up, even if the
updelay parameter has been specified (the updelay is ignored in this
case). If there are slave interfaces waiting for the updelay timeout
@@ -2532,7 +2578,7 @@ value of updelay has been overestimated, and since this occurs only in
cases with no connectivity, there is no additional penalty for
ignoring the updelay.
- In addition to the concerns about switch timings, if your
+In addition to the concerns about switch timings, if your
switches take a long time to go into backup mode, it may be desirable
to not activate a backup interface immediately after a link goes down.
Failover may be delayed via the downdelay bonding module option.
@@ -2540,31 +2586,31 @@ Failover may be delayed via the downdelay bonding module option.
13.2 Duplicated Incoming Packets
--------------------------------
- NOTE: Starting with version 3.0.2, the bonding driver has logic to
+NOTE: Starting with version 3.0.2, the bonding driver has logic to
suppress duplicate packets, which should largely eliminate this problem.
The following description is kept for reference.
- It is not uncommon to observe a short burst of duplicated
+It is not uncommon to observe a short burst of duplicated
traffic when the bonding device is first used, or after it has been
idle for some period of time. This is most easily observed by issuing
a "ping" to some other host on the network, and noticing that the
output from ping flags duplicates (typically one per slave).
- For example, on a bond in active-backup mode with five slaves
-all connected to one switch, the output may appear as follows:
-
-# ping -n 10.0.4.2
-PING 10.0.4.2 (10.0.4.2) from 10.0.3.10 : 56(84) bytes of data.
-64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.7 ms
-64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
-64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
-64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
-64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
-64 bytes from 10.0.4.2: icmp_seq=2 ttl=64 time=0.216 ms
-64 bytes from 10.0.4.2: icmp_seq=3 ttl=64 time=0.267 ms
-64 bytes from 10.0.4.2: icmp_seq=4 ttl=64 time=0.222 ms
-
- This is not due to an error in the bonding driver, rather, it
+For example, on a bond in active-backup mode with five slaves
+all connected to one switch, the output may appear as follows::
+
+ # ping -n 10.0.4.2
+ PING 10.0.4.2 (10.0.4.2) from 10.0.3.10 : 56(84) bytes of data.
+ 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.7 ms
+ 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
+ 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
+ 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
+ 64 bytes from 10.0.4.2: icmp_seq=1 ttl=64 time=13.8 ms (DUP!)
+ 64 bytes from 10.0.4.2: icmp_seq=2 ttl=64 time=0.216 ms
+ 64 bytes from 10.0.4.2: icmp_seq=3 ttl=64 time=0.267 ms
+ 64 bytes from 10.0.4.2: icmp_seq=4 ttl=64 time=0.222 ms
+
+This is not due to an error in the bonding driver, rather, it
is a side effect of how many switches update their MAC forwarding
tables. Initially, the switch does not associate the MAC address in
the packet with a particular switch port, and so it may send the
@@ -2574,7 +2620,7 @@ single switch, when the switch (temporarily) floods the traffic to all
ports, the bond device receives multiple copies of the same packet
(one per slave device).
- The duplicated packet behavior is switch dependent, some
+The duplicated packet behavior is switch dependent, some
switches exhibit this, and some do not. On switches that display this
behavior, it can be induced by clearing the MAC forwarding table (on
most Cisco switches, the privileged command "clear mac address-table
@@ -2583,16 +2629,16 @@ dynamic" will accomplish this).
14. Hardware Specific Considerations
====================================
- This section contains additional information for configuring
+This section contains additional information for configuring
bonding on specific hardware platforms, or for interfacing bonding
with particular switches or other devices.
14.1 IBM BladeCenter
--------------------
- This applies to the JS20 and similar systems.
+This applies to the JS20 and similar systems.
- On the JS20 blades, the bonding driver supports only
+On the JS20 blades, the bonding driver supports only
balance-rr, active-backup, balance-tlb and balance-alb modes. This is
largely due to the network topology inside the BladeCenter, detailed
below.
@@ -2600,7 +2646,7 @@ below.
JS20 network adapter information
--------------------------------
- All JS20s come with two Broadcom Gigabit Ethernet ports
+All JS20s come with two Broadcom Gigabit Ethernet ports
integrated on the planar (that's "motherboard" in IBM-speak). In the
BladeCenter chassis, the eth0 port of all JS20 blades is hard wired to
I/O Module #1; similarly, all eth1 ports are wired to I/O Module #2.
@@ -2608,36 +2654,36 @@ An add-on Broadcom daughter card can be installed on a JS20 to provide
two more Gigabit Ethernet ports. These ports, eth2 and eth3, are
wired to I/O Modules 3 and 4, respectively.
- Each I/O Module may contain either a switch or a passthrough
+Each I/O Module may contain either a switch or a passthrough
module (which allows ports to be directly connected to an external
switch). Some bonding modes require a specific BladeCenter internal
network topology in order to function; these are detailed below.
- Additional BladeCenter-specific networking information can be
+Additional BladeCenter-specific networking information can be
found in two IBM Redbooks (www.ibm.com/redbooks):
-"IBM eServer BladeCenter Networking Options"
-"IBM eServer BladeCenter Layer 2-7 Network Switching"
+- "IBM eServer BladeCenter Networking Options"
+- "IBM eServer BladeCenter Layer 2-7 Network Switching"
BladeCenter networking configuration
------------------------------------
- Because a BladeCenter can be configured in a very large number
+Because a BladeCenter can be configured in a very large number
of ways, this discussion will be confined to describing basic
configurations.
- Normally, Ethernet Switch Modules (ESMs) are used in I/O
+Normally, Ethernet Switch Modules (ESMs) are used in I/O
modules 1 and 2. In this configuration, the eth0 and eth1 ports of a
JS20 will be connected to different internal switches (in the
respective I/O modules).
- A passthrough module (OPM or CPM, optical or copper,
+A passthrough module (OPM or CPM, optical or copper,
passthrough module) connects the I/O module directly to an external
switch. By using PMs in I/O module #1 and #2, the eth0 and eth1
interfaces of a JS20 can be redirected to the outside world and
connected to a common external switch.
- Depending upon the mix of ESMs and PMs, the network will
+Depending upon the mix of ESMs and PMs, the network will
appear to bonding as either a single switch topology (all PMs) or as a
multiple switch topology (one or more ESMs, zero or more PMs). It is
also possible to connect ESMs together, resulting in a configuration
@@ -2647,24 +2693,24 @@ Topology," above.
Requirements for specific modes
-------------------------------
- The balance-rr mode requires the use of passthrough modules
+The balance-rr mode requires the use of passthrough modules
for devices in the bond, all connected to an common external switch.
That switch must be configured for "etherchannel" or "trunking" on the
appropriate ports, as is usual for balance-rr.
- The balance-alb and balance-tlb modes will function with
+The balance-alb and balance-tlb modes will function with
either switch modules or passthrough modules (or a mix). The only
specific requirement for these modes is that all network interfaces
must be able to reach all destinations for traffic sent over the
bonding device (i.e., the network must converge at some point outside
the BladeCenter).
- The active-backup mode has no additional requirements.
+The active-backup mode has no additional requirements.
Link monitoring issues
----------------------
- When an Ethernet Switch Module is in place, only the ARP
+When an Ethernet Switch Module is in place, only the ARP
monitor will reliably detect link loss to an external switch. This is
nothing unusual, but examination of the BladeCenter cabinet would
suggest that the "external" network ports are the ethernet ports for
@@ -2672,166 +2718,173 @@ the system, when it fact there is a switch between these "external"
ports and the devices on the JS20 system itself. The MII monitor is
only able to detect link failures between the ESM and the JS20 system.
- When a passthrough module is in place, the MII monitor does
+When a passthrough module is in place, the MII monitor does
detect failures to the "external" port, which is then directly
connected to the JS20 system.
Other concerns
--------------
- The Serial Over LAN (SoL) link is established over the primary
+The Serial Over LAN (SoL) link is established over the primary
ethernet (eth0) only, therefore, any loss of link to eth0 will result
in losing your SoL connection. It will not fail over with other
network traffic, as the SoL system is beyond the control of the
bonding driver.
- It may be desirable to disable spanning tree on the switch
+It may be desirable to disable spanning tree on the switch
(either the internal Ethernet Switch Module, or an external switch) to
avoid fail-over delay issues when using bonding.
-
+
15. Frequently Asked Questions
==============================
1. Is it SMP safe?
+-------------------
- Yes. The old 2.0.xx channel bonding patch was not SMP safe.
+Yes. The old 2.0.xx channel bonding patch was not SMP safe.
The new driver was designed to be SMP safe from the start.
2. What type of cards will work with it?
+-----------------------------------------
- Any Ethernet type cards (you can even mix cards - a Intel
+Any Ethernet type cards (you can even mix cards - a Intel
EtherExpress PRO/100 and a 3com 3c905b, for example). For most modes,
devices need not be of the same speed.
- Starting with version 3.2.1, bonding also supports Infiniband
+Starting with version 3.2.1, bonding also supports Infiniband
slaves in active-backup mode.
3. How many bonding devices can I have?
+----------------------------------------
- There is no limit.
+There is no limit.
4. How many slaves can a bonding device have?
+----------------------------------------------
- This is limited only by the number of network interfaces Linux
+This is limited only by the number of network interfaces Linux
supports and/or the number of network cards you can place in your
system.
5. What happens when a slave link dies?
+----------------------------------------
- If link monitoring is enabled, then the failing device will be
+If link monitoring is enabled, then the failing device will be
disabled. The active-backup mode will fail over to a backup link, and
other modes will ignore the failed link. The link will continue to be
monitored, and should it recover, it will rejoin the bond (in whatever
manner is appropriate for the mode). See the sections on High
Availability and the documentation for each mode for additional
information.
-
- Link monitoring can be enabled via either the miimon or
+
+Link monitoring can be enabled via either the miimon or
arp_interval parameters (described in the module parameters section,
above). In general, miimon monitors the carrier state as sensed by
the underlying network device, and the arp monitor (arp_interval)
monitors connectivity to another host on the local network.
- If no link monitoring is configured, the bonding driver will
+If no link monitoring is configured, the bonding driver will
be unable to detect link failures, and will assume that all links are
always available. This will likely result in lost packets, and a
resulting degradation of performance. The precise performance loss
depends upon the bonding mode and network configuration.
6. Can bonding be used for High Availability?
+----------------------------------------------
- Yes. See the section on High Availability for details.
+Yes. See the section on High Availability for details.
7. Which switches/systems does it work with?
+---------------------------------------------
- The full answer to this depends upon the desired mode.
+The full answer to this depends upon the desired mode.
- In the basic balance modes (balance-rr and balance-xor), it
+In the basic balance modes (balance-rr and balance-xor), it
works with any system that supports etherchannel (also called
trunking). Most managed switches currently available have such
support, and many unmanaged switches as well.
- The advanced balance modes (balance-tlb and balance-alb) do
+The advanced balance modes (balance-tlb and balance-alb) do
not have special switch requirements, but do need device drivers that
support specific features (described in the appropriate section under
module parameters, above).
- In 802.3ad mode, it works with systems that support IEEE
+In 802.3ad mode, it works with systems that support IEEE
802.3ad Dynamic Link Aggregation. Most managed and many unmanaged
switches currently available support 802.3ad.
- The active-backup mode should work with any Layer-II switch.
+The active-backup mode should work with any Layer-II switch.
8. Where does a bonding device get its MAC address from?
+---------------------------------------------------------
- When using slave devices that have fixed MAC addresses, or when
+When using slave devices that have fixed MAC addresses, or when
the fail_over_mac option is enabled, the bonding device's MAC address is
the MAC address of the active slave.
- For other configurations, if not explicitly configured (with
+For other configurations, if not explicitly configured (with
ifconfig or ip link), the MAC address of the bonding device is taken from
its first slave device. This MAC address is then passed to all following
slaves and remains persistent (even if the first slave is removed) until
the bonding device is brought down or reconfigured.
- If you wish to change the MAC address, you can set it with
-ifconfig or ip link:
+If you wish to change the MAC address, you can set it with
+ifconfig or ip link::
-# ifconfig bond0 hw ether 00:11:22:33:44:55
+ # ifconfig bond0 hw ether 00:11:22:33:44:55
-# ip link set bond0 address 66:77:88:99:aa:bb
+ # ip link set bond0 address 66:77:88:99:aa:bb
- The MAC address can be also changed by bringing down/up the
-device and then changing its slaves (or their order):
+The MAC address can be also changed by bringing down/up the
+device and then changing its slaves (or their order)::
-# ifconfig bond0 down ; modprobe -r bonding
-# ifconfig bond0 .... up
-# ifenslave bond0 eth...
+ # ifconfig bond0 down ; modprobe -r bonding
+ # ifconfig bond0 .... up
+ # ifenslave bond0 eth...
- This method will automatically take the address from the next
+This method will automatically take the address from the next
slave that is added.
- To restore your slaves' MAC addresses, you need to detach them
-from the bond (`ifenslave -d bond0 eth0'). The bonding driver will
+To restore your slaves' MAC addresses, you need to detach them
+from the bond (``ifenslave -d bond0 eth0``). The bonding driver will
then restore the MAC addresses that the slaves had before they were
enslaved.
16. Resources and Links
=======================
- The latest version of the bonding driver can be found in the latest
+The latest version of the bonding driver can be found in the latest
version of the linux kernel, found on http://kernel.org
- The latest version of this document can be found in the latest kernel
-source (named Documentation/networking/bonding.txt).
+The latest version of this document can be found in the latest kernel
+source (named Documentation/networking/bonding.rst).
- Discussions regarding the usage of the bonding driver take place on the
+Discussions regarding the usage of the bonding driver take place on the
bonding-devel mailing list, hosted at sourceforge.net. If you have questions or
problems, post them to the list. The list address is:
bonding-devel@lists.sourceforge.net
- The administrative interface (to subscribe or unsubscribe) can
+The administrative interface (to subscribe or unsubscribe) can
be found at:
https://lists.sourceforge.net/lists/listinfo/bonding-devel
- Discussions regarding the development of the bonding driver take place
+Discussions regarding the development of the bonding driver take place
on the main Linux network mailing list, hosted at vger.kernel.org. The list
address is:
netdev@vger.kernel.org
- The administrative interface (to subscribe or unsubscribe) can
+The administrative interface (to subscribe or unsubscribe) can
be found at:
http://vger.kernel.org/vger-lists.html#netdev
Donald Becker's Ethernet Drivers and diag programs may be found at :
- - http://web.archive.org/web/*/http://www.scyld.com/network/
+
+ - http://web.archive.org/web/%2E/http://www.scyld.com/network/
You will also find a lot of information regarding Ethernet, NWay, MII,
etc. at www.scyld.com.
-
--- END --
diff --git a/Documentation/networking/caif/caif.rst b/Documentation/networking/caif/caif.rst
index 07afc8063d4d..a07213030ccf 100644
--- a/Documentation/networking/caif/caif.rst
+++ b/Documentation/networking/caif/caif.rst
@@ -1,5 +1,3 @@
-:orphan:
-
.. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
diff --git a/Documentation/networking/caif/index.rst b/Documentation/networking/caif/index.rst
new file mode 100644
index 000000000000..86e5b7832ec3
--- /dev/null
+++ b/Documentation/networking/caif/index.rst
@@ -0,0 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+CAIF
+====
+
+Contents:
+
+.. toctree::
+ :maxdepth: 2
+
+ linux_caif
+ caif
+ spi_porting
diff --git a/Documentation/networking/caif/Linux-CAIF.txt b/Documentation/networking/caif/linux_caif.rst
index 0aa4bd381bec..a0480862ab8c 100644
--- a/Documentation/networking/caif/Linux-CAIF.txt
+++ b/Documentation/networking/caif/linux_caif.rst
@@ -1,12 +1,19 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
+
+==========
Linux CAIF
-===========
-copyright (C) ST-Ericsson AB 2010
-Author: Sjur Brendeland/ sjur.brandeland@stericsson.com
-License terms: GNU General Public License (GPL) version 2
+==========
+
+Copyright |copy| ST-Ericsson AB 2010
+
+:Author: Sjur Brendeland/ sjur.brandeland@stericsson.com
+:License terms: GNU General Public License (GPL) version 2
Introduction
-------------
+============
+
CAIF is a MUX protocol used by ST-Ericsson cellular modems for
communication between Modem and host. The host processes can open virtual AT
channels, initiate GPRS Data connections, Video channels and Utility Channels.
@@ -16,13 +23,16 @@ ST-Ericsson modems support a number of transports between modem
and host. Currently, UART and Loopback are available for Linux.
-Architecture:
-------------
+Architecture
+============
+
The implementation of CAIF is divided into:
+
* CAIF Socket Layer and GPRS IP Interface.
* CAIF Core Protocol Implementation
* CAIF Link Layer, implemented as NET devices.
+::
RTNL
!
@@ -46,12 +56,12 @@ The implementation of CAIF is divided into:
-I M P L E M E N T A T I O N
-===========================
+Implementation
+==============
CAIF Core Protocol Layer
-=========================================
+------------------------
CAIF Core layer implements the CAIF protocol as defined by ST-Ericsson.
It implements the CAIF protocol stack in a layered approach, where
@@ -59,8 +69,11 @@ each layer described in the specification is implemented as a separate layer.
The architecture is inspired by the design patterns "Protocol Layer" and
"Protocol Packet".
-== CAIF structure ==
+CAIF structure
+^^^^^^^^^^^^^^
+
The Core CAIF implementation contains:
+
- Simple implementation of CAIF.
- Layered architecture (a la Streams), each layer in the CAIF
specification is implemented in a separate c-file.
@@ -73,7 +86,8 @@ The Core CAIF implementation contains:
to the called function (except for framing layers' receive function)
Layered Architecture
---------------------
+====================
+
The CAIF protocol can be divided into two parts: Support functions and Protocol
Implementation. The support functions include:
@@ -112,7 +126,7 @@ The CAIF Protocol implementation contains:
- CFSERL CAIF Serial layer. Handles concatenation/split of frames
into CAIF Frames with correct length.
-
+::
+---------+
| Config |
@@ -143,18 +157,24 @@ The CAIF Protocol implementation contains:
In this layered approach the following "rules" apply.
+
- All layers embed the same structure "struct cflayer"
- A layer does not depend on any other layer's private data.
- - Layers are stacked by setting the pointers
+ - Layers are stacked by setting the pointers::
+
layer->up , layer->dn
- - In order to send data upwards, each layer should do
+
+ - In order to send data upwards, each layer should do::
+
layer->up->receive(layer->up, packet);
- - In order to send data downwards, each layer should do
+
+ - In order to send data downwards, each layer should do::
+
layer->dn->transmit(layer->dn, packet);
CAIF Socket and IP interface
-===========================
+============================
The IP interface and CAIF socket API are implemented on top of the
CAIF Core protocol. The IP Interface and CAIF socket have an instance of
diff --git a/Documentation/networking/caif/spi_porting.rst b/Documentation/networking/caif/spi_porting.rst
new file mode 100644
index 000000000000..d49f874b20ac
--- /dev/null
+++ b/Documentation/networking/caif/spi_porting.rst
@@ -0,0 +1,229 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================
+CAIF SPI porting
+================
+
+CAIF SPI basics
+===============
+
+Running CAIF over SPI needs some extra setup, owing to the nature of SPI.
+Two extra GPIOs have been added in order to negotiate the transfers
+between the master and the slave. The minimum requirement for running
+CAIF over SPI is a SPI slave chip and two GPIOs (more details below).
+Please note that running as a slave implies that you need to keep up
+with the master clock. An overrun or underrun event is fatal.
+
+CAIF SPI framework
+==================
+
+To make porting as easy as possible, the CAIF SPI has been divided in
+two parts. The first part (called the interface part) deals with all
+generic functionality such as length framing, SPI frame negotiation
+and SPI frame delivery and transmission. The other part is the CAIF
+SPI slave device part, which is the module that you have to write if
+you want to run SPI CAIF on a new hardware. This part takes care of
+the physical hardware, both with regard to SPI and to GPIOs.
+
+- Implementing a CAIF SPI device:
+
+ - Functionality provided by the CAIF SPI slave device:
+
+ In order to implement a SPI device you will, as a minimum,
+ need to implement the following
+ functions:
+
+ ::
+
+ int (*init_xfer) (struct cfspi_xfer * xfer, struct cfspi_dev *dev):
+
+ This function is called by the CAIF SPI interface to give
+ you a chance to set up your hardware to be ready to receive
+ a stream of data from the master. The xfer structure contains
+ both physical and logical addresses, as well as the total length
+ of the transfer in both directions.The dev parameter can be used
+ to map to different CAIF SPI slave devices.
+
+ ::
+
+ void (*sig_xfer) (bool xfer, struct cfspi_dev *dev):
+
+ This function is called by the CAIF SPI interface when the output
+ (SPI_INT) GPIO needs to change state. The boolean value of the xfer
+ variable indicates whether the GPIO should be asserted (HIGH) or
+ deasserted (LOW). The dev parameter can be used to map to different CAIF
+ SPI slave devices.
+
+ - Functionality provided by the CAIF SPI interface:
+
+ ::
+
+ void (*ss_cb) (bool assert, struct cfspi_ifc *ifc);
+
+ This function is called by the CAIF SPI slave device in order to
+ signal a change of state of the input GPIO (SS) to the interface.
+ Only active edges are mandatory to be reported.
+ This function can be called from IRQ context (recommended in order
+ not to introduce latency). The ifc parameter should be the pointer
+ returned from the platform probe function in the SPI device structure.
+
+ ::
+
+ void (*xfer_done_cb) (struct cfspi_ifc *ifc);
+
+ This function is called by the CAIF SPI slave device in order to
+ report that a transfer is completed. This function should only be
+ called once both the transmission and the reception are completed.
+ This function can be called from IRQ context (recommended in order
+ not to introduce latency). The ifc parameter should be the pointer
+ returned from the platform probe function in the SPI device structure.
+
+ - Connecting the bits and pieces:
+
+ - Filling in the SPI slave device structure:
+
+ Connect the necessary callback functions.
+
+ Indicate clock speed (used to calculate toggle delays).
+
+ Chose a suitable name (helps debugging if you use several CAIF
+ SPI slave devices).
+
+ Assign your private data (can be used to map to your
+ structure).
+
+ - Filling in the SPI slave platform device structure:
+
+ Add name of driver to connect to ("cfspi_sspi").
+
+ Assign the SPI slave device structure as platform data.
+
+Padding
+=======
+
+In order to optimize throughput, a number of SPI padding options are provided.
+Padding can be enabled independently for uplink and downlink transfers.
+Padding can be enabled for the head, the tail and for the total frame size.
+The padding needs to be correctly configured on both sides of the link.
+The padding can be changed via module parameters in cfspi_sspi.c or via
+the sysfs directory of the cfspi_sspi driver (before device registration).
+
+- CAIF SPI device template::
+
+ /*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author: Daniel Martensson / Daniel.Martensson@stericsson.com
+ * License terms: GNU General Public License (GPL), version 2.
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/device.h>
+ #include <linux/wait.h>
+ #include <linux/interrupt.h>
+ #include <linux/dma-mapping.h>
+ #include <net/caif/caif_spi.h>
+
+ MODULE_LICENSE("GPL");
+
+ struct sspi_struct {
+ struct cfspi_dev sdev;
+ struct cfspi_xfer *xfer;
+ };
+
+ static struct sspi_struct slave;
+ static struct platform_device slave_device;
+
+ static irqreturn_t sspi_irq(int irq, void *arg)
+ {
+ /* You only need to trigger on an edge to the active state of the
+ * SS signal. Once a edge is detected, the ss_cb() function should be
+ * called with the parameter assert set to true. It is OK
+ * (and even advised) to call the ss_cb() function in IRQ context in
+ * order not to add any delay. */
+
+ return IRQ_HANDLED;
+ }
+
+ static void sspi_complete(void *context)
+ {
+ /* Normally the DMA or the SPI framework will call you back
+ * in something similar to this. The only thing you need to
+ * do is to call the xfer_done_cb() function, providing the pointer
+ * to the CAIF SPI interface. It is OK to call this function
+ * from IRQ context. */
+ }
+
+ static int sspi_init_xfer(struct cfspi_xfer *xfer, struct cfspi_dev *dev)
+ {
+ /* Store transfer info. For a normal implementation you should
+ * set up your DMA here and make sure that you are ready to
+ * receive the data from the master SPI. */
+
+ struct sspi_struct *sspi = (struct sspi_struct *)dev->priv;
+
+ sspi->xfer = xfer;
+
+ return 0;
+ }
+
+ void sspi_sig_xfer(bool xfer, struct cfspi_dev *dev)
+ {
+ /* If xfer is true then you should assert the SPI_INT to indicate to
+ * the master that you are ready to receive the data from the master
+ * SPI. If xfer is false then you should de-assert SPI_INT to indicate
+ * that the transfer is done.
+ */
+
+ struct sspi_struct *sspi = (struct sspi_struct *)dev->priv;
+ }
+
+ static void sspi_release(struct device *dev)
+ {
+ /*
+ * Here you should release your SPI device resources.
+ */
+ }
+
+ static int __init sspi_init(void)
+ {
+ /* Here you should initialize your SPI device by providing the
+ * necessary functions, clock speed, name and private data. Once
+ * done, you can register your device with the
+ * platform_device_register() function. This function will return
+ * with the CAIF SPI interface initialized. This is probably also
+ * the place where you should set up your GPIOs, interrupts and SPI
+ * resources. */
+
+ int res = 0;
+
+ /* Initialize slave device. */
+ slave.sdev.init_xfer = sspi_init_xfer;
+ slave.sdev.sig_xfer = sspi_sig_xfer;
+ slave.sdev.clk_mhz = 13;
+ slave.sdev.priv = &slave;
+ slave.sdev.name = "spi_sspi";
+ slave_device.dev.release = sspi_release;
+
+ /* Initialize platform device. */
+ slave_device.name = "cfspi_sspi";
+ slave_device.dev.platform_data = &slave.sdev;
+
+ /* Register platform device. */
+ res = platform_device_register(&slave_device);
+ if (res) {
+ printk(KERN_WARNING "sspi_init: failed to register dev.\n");
+ return -ENODEV;
+ }
+
+ return res;
+ }
+
+ static void __exit sspi_exit(void)
+ {
+ platform_device_del(&slave_device);
+ }
+
+ module_init(sspi_init);
+ module_exit(sspi_exit);
diff --git a/Documentation/networking/caif/spi_porting.txt b/Documentation/networking/caif/spi_porting.txt
deleted file mode 100644
index 9efd0687dc4c..000000000000
--- a/Documentation/networking/caif/spi_porting.txt
+++ /dev/null
@@ -1,208 +0,0 @@
-- CAIF SPI porting -
-
-- CAIF SPI basics:
-
-Running CAIF over SPI needs some extra setup, owing to the nature of SPI.
-Two extra GPIOs have been added in order to negotiate the transfers
- between the master and the slave. The minimum requirement for running
-CAIF over SPI is a SPI slave chip and two GPIOs (more details below).
-Please note that running as a slave implies that you need to keep up
-with the master clock. An overrun or underrun event is fatal.
-
-- CAIF SPI framework:
-
-To make porting as easy as possible, the CAIF SPI has been divided in
-two parts. The first part (called the interface part) deals with all
-generic functionality such as length framing, SPI frame negotiation
-and SPI frame delivery and transmission. The other part is the CAIF
-SPI slave device part, which is the module that you have to write if
-you want to run SPI CAIF on a new hardware. This part takes care of
-the physical hardware, both with regard to SPI and to GPIOs.
-
-- Implementing a CAIF SPI device:
-
- - Functionality provided by the CAIF SPI slave device:
-
- In order to implement a SPI device you will, as a minimum,
- need to implement the following
- functions:
-
- int (*init_xfer) (struct cfspi_xfer * xfer, struct cfspi_dev *dev):
-
- This function is called by the CAIF SPI interface to give
- you a chance to set up your hardware to be ready to receive
- a stream of data from the master. The xfer structure contains
- both physical and logical addresses, as well as the total length
- of the transfer in both directions.The dev parameter can be used
- to map to different CAIF SPI slave devices.
-
- void (*sig_xfer) (bool xfer, struct cfspi_dev *dev):
-
- This function is called by the CAIF SPI interface when the output
- (SPI_INT) GPIO needs to change state. The boolean value of the xfer
- variable indicates whether the GPIO should be asserted (HIGH) or
- deasserted (LOW). The dev parameter can be used to map to different CAIF
- SPI slave devices.
-
- - Functionality provided by the CAIF SPI interface:
-
- void (*ss_cb) (bool assert, struct cfspi_ifc *ifc);
-
- This function is called by the CAIF SPI slave device in order to
- signal a change of state of the input GPIO (SS) to the interface.
- Only active edges are mandatory to be reported.
- This function can be called from IRQ context (recommended in order
- not to introduce latency). The ifc parameter should be the pointer
- returned from the platform probe function in the SPI device structure.
-
- void (*xfer_done_cb) (struct cfspi_ifc *ifc);
-
- This function is called by the CAIF SPI slave device in order to
- report that a transfer is completed. This function should only be
- called once both the transmission and the reception are completed.
- This function can be called from IRQ context (recommended in order
- not to introduce latency). The ifc parameter should be the pointer
- returned from the platform probe function in the SPI device structure.
-
- - Connecting the bits and pieces:
-
- - Filling in the SPI slave device structure:
-
- Connect the necessary callback functions.
- Indicate clock speed (used to calculate toggle delays).
- Chose a suitable name (helps debugging if you use several CAIF
- SPI slave devices).
- Assign your private data (can be used to map to your structure).
-
- - Filling in the SPI slave platform device structure:
- Add name of driver to connect to ("cfspi_sspi").
- Assign the SPI slave device structure as platform data.
-
-- Padding:
-
-In order to optimize throughput, a number of SPI padding options are provided.
-Padding can be enabled independently for uplink and downlink transfers.
-Padding can be enabled for the head, the tail and for the total frame size.
-The padding needs to be correctly configured on both sides of the link.
-The padding can be changed via module parameters in cfspi_sspi.c or via
-the sysfs directory of the cfspi_sspi driver (before device registration).
-
-- CAIF SPI device template:
-
-/*
- * Copyright (C) ST-Ericsson AB 2010
- * Author: Daniel Martensson / Daniel.Martensson@stericsson.com
- * License terms: GNU General Public License (GPL), version 2.
- *
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/device.h>
-#include <linux/wait.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
-#include <net/caif/caif_spi.h>
-
-MODULE_LICENSE("GPL");
-
-struct sspi_struct {
- struct cfspi_dev sdev;
- struct cfspi_xfer *xfer;
-};
-
-static struct sspi_struct slave;
-static struct platform_device slave_device;
-
-static irqreturn_t sspi_irq(int irq, void *arg)
-{
- /* You only need to trigger on an edge to the active state of the
- * SS signal. Once a edge is detected, the ss_cb() function should be
- * called with the parameter assert set to true. It is OK
- * (and even advised) to call the ss_cb() function in IRQ context in
- * order not to add any delay. */
-
- return IRQ_HANDLED;
-}
-
-static void sspi_complete(void *context)
-{
- /* Normally the DMA or the SPI framework will call you back
- * in something similar to this. The only thing you need to
- * do is to call the xfer_done_cb() function, providing the pointer
- * to the CAIF SPI interface. It is OK to call this function
- * from IRQ context. */
-}
-
-static int sspi_init_xfer(struct cfspi_xfer *xfer, struct cfspi_dev *dev)
-{
- /* Store transfer info. For a normal implementation you should
- * set up your DMA here and make sure that you are ready to
- * receive the data from the master SPI. */
-
- struct sspi_struct *sspi = (struct sspi_struct *)dev->priv;
-
- sspi->xfer = xfer;
-
- return 0;
-}
-
-void sspi_sig_xfer(bool xfer, struct cfspi_dev *dev)
-{
- /* If xfer is true then you should assert the SPI_INT to indicate to
- * the master that you are ready to receive the data from the master
- * SPI. If xfer is false then you should de-assert SPI_INT to indicate
- * that the transfer is done.
- */
-
- struct sspi_struct *sspi = (struct sspi_struct *)dev->priv;
-}
-
-static void sspi_release(struct device *dev)
-{
- /*
- * Here you should release your SPI device resources.
- */
-}
-
-static int __init sspi_init(void)
-{
- /* Here you should initialize your SPI device by providing the
- * necessary functions, clock speed, name and private data. Once
- * done, you can register your device with the
- * platform_device_register() function. This function will return
- * with the CAIF SPI interface initialized. This is probably also
- * the place where you should set up your GPIOs, interrupts and SPI
- * resources. */
-
- int res = 0;
-
- /* Initialize slave device. */
- slave.sdev.init_xfer = sspi_init_xfer;
- slave.sdev.sig_xfer = sspi_sig_xfer;
- slave.sdev.clk_mhz = 13;
- slave.sdev.priv = &slave;
- slave.sdev.name = "spi_sspi";
- slave_device.dev.release = sspi_release;
-
- /* Initialize platform device. */
- slave_device.name = "cfspi_sspi";
- slave_device.dev.platform_data = &slave.sdev;
-
- /* Register platform device. */
- res = platform_device_register(&slave_device);
- if (res) {
- printk(KERN_WARNING "sspi_init: failed to register dev.\n");
- return -ENODEV;
- }
-
- return res;
-}
-
-static void __exit sspi_exit(void)
-{
- platform_device_del(&slave_device);
-}
-
-module_init(sspi_init);
-module_exit(sspi_exit);
diff --git a/Documentation/networking/can.rst b/Documentation/networking/can.rst
index 2fd0b51a8c52..ff05cbd05e0d 100644
--- a/Documentation/networking/can.rst
+++ b/Documentation/networking/can.rst
@@ -1058,7 +1058,7 @@ drivers you mainly have to deal with:
- TX: Put the CAN frame from the socket buffer to the CAN controller.
- RX: Put the CAN frame from the CAN controller to the socket buffer.
-See e.g. at Documentation/networking/netdevices.txt . The differences
+See e.g. at Documentation/networking/netdevices.rst . The differences
for writing CAN network device driver are described below:
diff --git a/Documentation/networking/cdc_mbim.txt b/Documentation/networking/cdc_mbim.rst
index 4e68f0bc5dba..0048409c06b4 100644
--- a/Documentation/networking/cdc_mbim.txt
+++ b/Documentation/networking/cdc_mbim.rst
@@ -1,5 +1,8 @@
- cdc_mbim - Driver for CDC MBIM Mobile Broadband modems
- ========================================================
+.. SPDX-License-Identifier: GPL-2.0
+
+======================================================
+cdc_mbim - Driver for CDC MBIM Mobile Broadband modems
+======================================================
The cdc_mbim driver supports USB devices conforming to the "Universal
Serial Bus Communications Class Subclass Specification for Mobile
@@ -19,9 +22,9 @@ by a cdc_ncm driver parameter:
prefer_mbim
-----------
-Type: Boolean
-Valid Range: N/Y (0-1)
-Default Value: Y (MBIM is preferred)
+:Type: Boolean
+:Valid Range: N/Y (0-1)
+:Default Value: Y (MBIM is preferred)
This parameter sets the system policy for NCM/MBIM functions. Such
functions will be handled by either the cdc_ncm driver or the cdc_mbim
@@ -44,11 +47,13 @@ userspace MBIM management application always is required to enable a
MBIM function.
Such userspace applications includes, but are not limited to:
+
- mbimcli (included with the libmbim [3] library), and
- ModemManager [4]
Establishing a MBIM IP session reequires at least these actions by the
management application:
+
- open the control channel
- configure network connection settings
- connect to network
@@ -76,7 +81,7 @@ complies with all the control channel requirements in [1].
The cdc-wdmX device is created as a child of the MBIM control
interface USB device. The character device associated with a specific
-MBIM function can be looked up using sysfs. For example:
+MBIM function can be looked up using sysfs. For example::
bjorn@nemi:~$ ls /sys/bus/usb/drivers/cdc_mbim/2-4:2.12/usbmisc
cdc-wdm0
@@ -119,13 +124,15 @@ negotiated control message size.
/dev/cdc-wdmX ioctl()
---------------------
+---------------------
IOCTL_WDM_MAX_COMMAND: Get Maximum Command Size
This ioctl returns the wMaxControlMessage field of the CDC MBIM
functional descriptor for MBIM devices. This is intended as a
convenience, eliminating the need to parse the USB descriptors from
userspace.
+::
+
#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
@@ -178,7 +185,7 @@ VLAN links prior to establishing MBIM IP sessions where the SessionId
is greater than 0. These links can be added by using the normal VLAN
kernel interfaces, either ioctl or netlink.
-For example, adding a link for a MBIM IP session with SessionId 3:
+For example, adding a link for a MBIM IP session with SessionId 3::
ip link add link wwan0 name wwan0.3 type vlan id 3
@@ -207,6 +214,7 @@ the stream to the end user in an appropriate way for the stream type.
The network device ABI requires a dummy ethernet header for every DSS
data frame being transported. The contents of this header is
arbitrary, with the following exceptions:
+
- TX frames using an IP protocol (0x0800 or 0x86dd) will be dropped
- RX frames will have the protocol field set to ETH_P_802_3 (but will
not be properly formatted 802.3 frames)
@@ -218,7 +226,7 @@ adding the dummy ethernet header on TX and stripping it on RX.
This is a simple example using tools commonly available, exporting
DssSessionId 5 as a pty character device pointed to by a /dev/nmea
-symlink:
+symlink::
ip link add link wwan0 name wwan0.dss5 type vlan id 261
ip link set dev wwan0.dss5 up
@@ -236,7 +244,7 @@ map frames to the correct DSS session and adding 18 byte VLAN ethernet
headers with the appropriate tag on TX. In this case using a socket
filter is recommended, matching only the DSS VLAN subset. This avoid
unnecessary copying of unrelated IP session data to userspace. For
-example:
+example::
static struct sock_filter dssfilter[] = {
/* use special negative offsets to get VLAN tag */
@@ -249,11 +257,11 @@ example:
BPF_JUMP(BPF_JMP|BPF_JGE|BPF_K, 512, 3, 0), /* 511 is last DSS VLAN */
/* verify ethertype */
- BPF_STMT(BPF_LD|BPF_H|BPF_ABS, 2 * ETH_ALEN),
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, ETH_P_802_3, 0, 1),
+ BPF_STMT(BPF_LD|BPF_H|BPF_ABS, 2 * ETH_ALEN),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, ETH_P_802_3, 0, 1),
- BPF_STMT(BPF_RET|BPF_K, (u_int)-1), /* accept */
- BPF_STMT(BPF_RET|BPF_K, 0), /* ignore */
+ BPF_STMT(BPF_RET|BPF_K, (u_int)-1), /* accept */
+ BPF_STMT(BPF_RET|BPF_K, 0), /* ignore */
};
@@ -266,6 +274,7 @@ network device.
This mapping implies a few restrictions on multiplexed IPS and DSS
sessions, which may not always be practical:
+
- no IPS or DSS session can use a frame size greater than the MTU on
IP session 0
- no IPS or DSS session can be in the up state unless the network
@@ -280,7 +289,7 @@ device.
Tip: It might be less confusing to the end user to name this VLAN
subdevice after the MBIM SessionID instead of the VLAN ID. For
-example:
+example::
ip link add link wwan0 name wwan0.0 type vlan id 4094
@@ -290,7 +299,7 @@ VLAN mapping
Summarizing the cdc_mbim driver mapping described above, we have this
relationship between VLAN tags on the wwanY network device and MBIM
-sessions on the shared USB data channel:
+sessions on the shared USB data channel::
VLAN ID MBIM type MBIM SessionID Notes
---------------------------------------------------------
@@ -310,30 +319,37 @@ sessions on the shared USB data channel:
References
==========
-[1] USB Implementers Forum, Inc. - "Universal Serial Bus
- Communications Class Subclass Specification for Mobile Broadband
- Interface Model", Revision 1.0 (Errata 1), May 1, 2013
+ 1) USB Implementers Forum, Inc. - "Universal Serial Bus
+ Communications Class Subclass Specification for Mobile Broadband
+ Interface Model", Revision 1.0 (Errata 1), May 1, 2013
+
- http://www.usb.org/developers/docs/devclass_docs/
-[2] USB Implementers Forum, Inc. - "Universal Serial Bus
- Communications Class Subclass Specifications for Network Control
- Model Devices", Revision 1.0 (Errata 1), November 24, 2010
+ 2) USB Implementers Forum, Inc. - "Universal Serial Bus
+ Communications Class Subclass Specifications for Network Control
+ Model Devices", Revision 1.0 (Errata 1), November 24, 2010
+
- http://www.usb.org/developers/docs/devclass_docs/
-[3] libmbim - "a glib-based library for talking to WWAN modems and
- devices which speak the Mobile Interface Broadband Model (MBIM)
- protocol"
+ 3) libmbim - "a glib-based library for talking to WWAN modems and
+ devices which speak the Mobile Interface Broadband Model (MBIM)
+ protocol"
+
- http://www.freedesktop.org/wiki/Software/libmbim/
-[4] ModemManager - "a DBus-activated daemon which controls mobile
- broadband (2G/3G/4G) devices and connections"
+ 4) ModemManager - "a DBus-activated daemon which controls mobile
+ broadband (2G/3G/4G) devices and connections"
+
- http://www.freedesktop.org/wiki/Software/ModemManager/
-[5] "MBIM (Mobile Broadband Interface Model) Registry"
+ 5) "MBIM (Mobile Broadband Interface Model) Registry"
+
- http://compliance.usb.org/mbim/
-[6] "/sys/kernel/debug/usb/devices output format"
+ 6) "/sys/kernel/debug/usb/devices output format"
+
- Documentation/driver-api/usb/usb.rst
-[7] "/sys/bus/usb/devices/.../descriptors"
+ 7) "/sys/bus/usb/devices/.../descriptors"
+
- Documentation/ABI/stable/sysfs-bus-usb
diff --git a/Documentation/networking/checksum-offloads.rst b/Documentation/networking/checksum-offloads.rst
index 905c8a84b103..69b23cf6879e 100644
--- a/Documentation/networking/checksum-offloads.rst
+++ b/Documentation/networking/checksum-offloads.rst
@@ -59,7 +59,7 @@ recomputed for each resulting segment. See the skbuff.h comment (section 'E')
for more details.
A driver declares its offload capabilities in netdev->hw_features; see
-Documentation/networking/netdev-features.txt for more. Note that a device
+Documentation/networking/netdev-features.rst for more. Note that a device
which only advertises NETIF_F_IP[V6]_CSUM must still obey the csum_start and
csum_offset given in the SKB; if it tries to deduce these itself in hardware
(as some NICs do) the driver should check that the values in the SKB match
diff --git a/Documentation/networking/cops.rst b/Documentation/networking/cops.rst
new file mode 100644
index 000000000000..964ba80599a9
--- /dev/null
+++ b/Documentation/networking/cops.rst
@@ -0,0 +1,80 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+========================================
+The COPS LocalTalk Linux driver (cops.c)
+========================================
+
+By Jay Schulist <jschlst@samba.org>
+
+This driver has two modes and they are: Dayna mode and Tangent mode.
+Each mode corresponds with the type of card. It has been found
+that there are 2 main types of cards and all other cards are
+the same and just have different names or only have minor differences
+such as more IO ports. As this driver is tested it will
+become more clear exactly what cards are supported.
+
+Right now these cards are known to work with the COPS driver. The
+LT-200 cards work in a somewhat more limited capacity than the
+DL200 cards, which work very well and are in use by many people.
+
+TANGENT driver mode:
+ - Tangent ATB-II, Novell NL-1000, Daystar Digital LT-200
+
+DAYNA driver mode:
+ - Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95,
+ - Farallon PhoneNET PC III, Farallon PhoneNET PC II
+
+Other cards possibly supported mode unknown though:
+ - Dayna DL2000 (Full length)
+
+The COPS driver defaults to using Dayna mode. To change the driver's
+mode if you built a driver with dual support use board_type=1 or
+board_type=2 for Dayna or Tangent with insmod.
+
+Operation/loading of the driver
+===============================
+
+Use modprobe like this: /sbin/modprobe cops.o (IO #) (IRQ #)
+If you do not specify any options the driver will try and use the IO = 0x240,
+IRQ = 5. As of right now I would only use IRQ 5 for the card, if autoprobing.
+
+To load multiple COPS driver Localtalk cards you can do one of the following::
+
+ insmod cops io=0x240 irq=5
+ insmod -o cops2 cops io=0x260 irq=3
+
+Or in lilo.conf put something like this::
+
+ append="ether=5,0x240,lt0 ether=3,0x260,lt1"
+
+Then bring up the interface with ifconfig. It will look something like this::
+
+ lt0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-F7-00-00-00-00-00-00-00-00
+ inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
+ UP BROADCAST RUNNING NOARP MULTICAST MTU:600 Metric:1
+ RX packets:0 errors:0 dropped:0 overruns:0 frame:0
+ TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0
+
+Netatalk Configuration
+======================
+
+You will need to configure atalkd with something like the following to make
+it work with the cops.c driver.
+
+* For single LTalk card use::
+
+ dummy -seed -phase 2 -net 2000 -addr 2000.10 -zone "1033"
+ lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
+
+* For multiple cards, Ethernet and LocalTalk::
+
+ eth0 -seed -phase 2 -net 3000 -addr 3000.20 -zone "1033"
+ lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
+
+* For multiple LocalTalk cards, and an Ethernet card.
+
+* Order seems to matter here, Ethernet last::
+
+ lt0 -seed -phase 1 -net 1000 -addr 1000.10 -zone "LocalTalk1"
+ lt1 -seed -phase 1 -net 2000 -addr 2000.20 -zone "LocalTalk2"
+ eth0 -seed -phase 2 -net 3000 -addr 3000.30 -zone "EtherTalk"
diff --git a/Documentation/networking/cops.txt b/Documentation/networking/cops.txt
deleted file mode 100644
index 3e344b448e07..000000000000
--- a/Documentation/networking/cops.txt
+++ /dev/null
@@ -1,63 +0,0 @@
-Text File for the COPS LocalTalk Linux driver (cops.c).
- By Jay Schulist <jschlst@samba.org>
-
-This driver has two modes and they are: Dayna mode and Tangent mode.
-Each mode corresponds with the type of card. It has been found
-that there are 2 main types of cards and all other cards are
-the same and just have different names or only have minor differences
-such as more IO ports. As this driver is tested it will
-become more clear exactly what cards are supported.
-
-Right now these cards are known to work with the COPS driver. The
-LT-200 cards work in a somewhat more limited capacity than the
-DL200 cards, which work very well and are in use by many people.
-
-TANGENT driver mode:
- Tangent ATB-II, Novell NL-1000, Daystar Digital LT-200
-DAYNA driver mode:
- Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95,
- Farallon PhoneNET PC III, Farallon PhoneNET PC II
-Other cards possibly supported mode unknown though:
- Dayna DL2000 (Full length)
-
-The COPS driver defaults to using Dayna mode. To change the driver's
-mode if you built a driver with dual support use board_type=1 or
-board_type=2 for Dayna or Tangent with insmod.
-
-** Operation/loading of the driver.
-Use modprobe like this: /sbin/modprobe cops.o (IO #) (IRQ #)
-If you do not specify any options the driver will try and use the IO = 0x240,
-IRQ = 5. As of right now I would only use IRQ 5 for the card, if autoprobing.
-
-To load multiple COPS driver Localtalk cards you can do one of the following.
-
-insmod cops io=0x240 irq=5
-insmod -o cops2 cops io=0x260 irq=3
-
-Or in lilo.conf put something like this:
- append="ether=5,0x240,lt0 ether=3,0x260,lt1"
-
-Then bring up the interface with ifconfig. It will look something like this:
-lt0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-F7-00-00-00-00-00-00-00-00
- inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
- UP BROADCAST RUNNING NOARP MULTICAST MTU:600 Metric:1
- RX packets:0 errors:0 dropped:0 overruns:0 frame:0
- TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 coll:0
-
-** Netatalk Configuration
-You will need to configure atalkd with something like the following to make
-it work with the cops.c driver.
-
-* For single LTalk card use.
-dummy -seed -phase 2 -net 2000 -addr 2000.10 -zone "1033"
-lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
-
-* For multiple cards, Ethernet and LocalTalk.
-eth0 -seed -phase 2 -net 3000 -addr 3000.20 -zone "1033"
-lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
-
-* For multiple LocalTalk cards, and an Ethernet card.
-* Order seems to matter here, Ethernet last.
-lt0 -seed -phase 1 -net 1000 -addr 1000.10 -zone "LocalTalk1"
-lt1 -seed -phase 1 -net 2000 -addr 2000.20 -zone "LocalTalk2"
-eth0 -seed -phase 2 -net 3000 -addr 3000.30 -zone "EtherTalk"
diff --git a/Documentation/networking/cxacru.txt b/Documentation/networking/cxacru.rst
index 2cce04457b4d..6088af2ffeda 100644
--- a/Documentation/networking/cxacru.txt
+++ b/Documentation/networking/cxacru.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+========================
+ATM cxacru device driver
+========================
+
Firmware is required for this device: http://accessrunner.sourceforge.net/
While it is capable of managing/maintaining the ADSL connection without the
@@ -19,29 +25,35 @@ several sysfs attribute files for retrieving device statistics:
* adsl_headend
* adsl_headend_environment
- Information about the remote headend.
+
+ - Information about the remote headend.
* adsl_config
- Configuration writing interface.
- Write parameters in hexadecimal format <index>=<value>,
- separated by whitespace, e.g.:
+
+ - Configuration writing interface.
+ - Write parameters in hexadecimal format <index>=<value>,
+ separated by whitespace, e.g.:
+
"1=0 a=5"
- Up to 7 parameters at a time will be sent and the modem will restart
- the ADSL connection when any value is set. These are logged for future
- reference.
+
+ - Up to 7 parameters at a time will be sent and the modem will restart
+ the ADSL connection when any value is set. These are logged for future
+ reference.
* downstream_attenuation (dB)
* downstream_bits_per_frame
* downstream_rate (kbps)
* downstream_snr_margin (dB)
- Downstream stats.
+
+ - Downstream stats.
* upstream_attenuation (dB)
* upstream_bits_per_frame
* upstream_rate (kbps)
* upstream_snr_margin (dB)
* transmitter_power (dBm/Hz)
- Upstream stats.
+
+ - Upstream stats.
* downstream_crc_errors
* downstream_fec_errors
@@ -49,48 +61,56 @@ several sysfs attribute files for retrieving device statistics:
* upstream_crc_errors
* upstream_fec_errors
* upstream_hec_errors
- Error counts.
+
+ - Error counts.
* line_startable
- Indicates that ADSL support on the device
- is/can be enabled, see adsl_start.
+
+ - Indicates that ADSL support on the device
+ is/can be enabled, see adsl_start.
* line_status
- "initialising"
- "down"
- "attempting to activate"
- "training"
- "channel analysis"
- "exchange"
- "waiting"
- "up"
+
+ - "initialising"
+ - "down"
+ - "attempting to activate"
+ - "training"
+ - "channel analysis"
+ - "exchange"
+ - "waiting"
+ - "up"
Changes between "down" and "attempting to activate"
if there is no signal.
* link_status
- "not connected"
- "connected"
- "lost"
+
+ - "not connected"
+ - "connected"
+ - "lost"
* mac_address
* modulation
- "" (when not connected)
- "ANSI T1.413"
- "ITU-T G.992.1 (G.DMT)"
- "ITU-T G.992.2 (G.LITE)"
+
+ - "" (when not connected)
+ - "ANSI T1.413"
+ - "ITU-T G.992.1 (G.DMT)"
+ - "ITU-T G.992.2 (G.LITE)"
* startup_attempts
- Count of total attempts to initialise ADSL.
+
+ - Count of total attempts to initialise ADSL.
To enable/disable ADSL, the following can be written to the adsl_state file:
- "start"
- "stop
- "restart" (stops, waits 1.5s, then starts)
- "poll" (used to resume status polling if it was disabled due to failure)
-Changes in adsl/line state are reported via kernel log messages:
+ - "start"
+ - "stop
+ - "restart" (stops, waits 1.5s, then starts)
+ - "poll" (used to resume status polling if it was disabled due to failure)
+
+Changes in adsl/line state are reported via kernel log messages::
+
[4942145.150704] ATM dev 0: ADSL state: running
[4942243.663766] ATM dev 0: ADSL line: down
[4942249.665075] ATM dev 0: ADSL line: attempting to activate
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.rst
index 55c575fcaf17..dde16be04456 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.rst
@@ -1,16 +1,18 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============
DCCP protocol
=============
-Contents
-========
-- Introduction
-- Missing features
-- Socket options
-- Sysctl variables
-- IOCTLs
-- Other tunables
-- Notes
+.. Contents
+ - Introduction
+ - Missing features
+ - Socket options
+ - Sysctl variables
+ - IOCTLs
+ - Other tunables
+ - Notes
Introduction
@@ -38,6 +40,7 @@ The Linux DCCP implementation does not currently support all the features that a
specified in RFCs 4340...42.
The known bugs are at:
+
http://www.linuxfoundation.org/collaborate/workgroups/networking/todo#DCCP
For more up-to-date versions of the DCCP implementation, please consider using
@@ -54,7 +57,8 @@ defined: the "simple" policy (DCCPQ_POLICY_SIMPLE), which does nothing special,
and a priority-based variant (DCCPQ_POLICY_PRIO). The latter allows to pass an
u32 priority value as ancillary data to sendmsg(), where higher numbers indicate
a higher packet priority (similar to SO_PRIORITY). This ancillary data needs to
-be formatted using a cmsg(3) message header filled in as follows:
+be formatted using a cmsg(3) message header filled in as follows::
+
cmsg->cmsg_level = SOL_DCCP;
cmsg->cmsg_type = DCCP_SCM_PRIORITY;
cmsg->cmsg_len = CMSG_LEN(sizeof(uint32_t)); /* or CMSG_LEN(4) */
@@ -94,7 +98,7 @@ must be registered on the socket before calling connect() or listen().
DCCP_SOCKOPT_TX_CCID is read/write. It returns the current CCID (if set) or sets
the preference list for the TX CCID, using the same format as DCCP_SOCKOPT_CCID.
-Please note that the getsockopt argument type here is `int', not uint8_t.
+Please note that the getsockopt argument type here is ``int``, not uint8_t.
DCCP_SOCKOPT_RX_CCID is analogous to DCCP_SOCKOPT_TX_CCID, but for the RX CCID.
@@ -113,6 +117,7 @@ be enabled at the receiver, too with suitable choice of CsCov.
DCCP_SOCKOPT_SEND_CSCOV sets the sender checksum coverage. Values in the
range 0..15 are acceptable. The default setting is 0 (full coverage),
values between 1..15 indicate partial coverage.
+
DCCP_SOCKOPT_RECV_CSCOV is for the receiver and has a different meaning: it
sets a threshold, where again values 0..15 are acceptable. The default
of 0 means that all packets with a partial coverage will be discarded.
@@ -123,11 +128,13 @@ DCCP_SOCKOPT_RECV_CSCOV is for the receiver and has a different meaning: it
The following two options apply to CCID 3 exclusively and are getsockopt()-only.
In either case, a TFRC info struct (defined in <linux/tfrc.h>) is returned.
+
DCCP_SOCKOPT_CCID_RX_INFO
- Returns a `struct tfrc_rx_info' in optval; the buffer for optval and
+ Returns a ``struct tfrc_rx_info`` in optval; the buffer for optval and
optlen must be set to at least sizeof(struct tfrc_rx_info).
+
DCCP_SOCKOPT_CCID_TX_INFO
- Returns a `struct tfrc_tx_info' in optval; the buffer for optval and
+ Returns a ``struct tfrc_tx_info`` in optval; the buffer for optval and
optlen must be set to at least sizeof(struct tfrc_tx_info).
On unidirectional connections it is useful to close the unused half-connection
@@ -182,7 +189,7 @@ sync_ratelimit = 125 ms
IOCTLS
======
FIONREAD
- Works as in udp(7): returns in the `int' argument pointer the size of
+ Works as in udp(7): returns in the ``int`` argument pointer the size of
the next pending datagram in bytes, or 0 when no datagram is pending.
@@ -191,10 +198,12 @@ Other tunables
Per-route rto_min support
CCID-2 supports the RTAX_RTO_MIN per-route setting for the minimum value
of the RTO timer. This setting can be modified via the 'rto_min' option
- of iproute2; for example:
+ of iproute2; for example::
+
> ip route change 10.0.0.0/24 rto_min 250j dev wlan0
> ip route add 10.0.0.254/32 rto_min 800j dev wlan0
> ip route show dev wlan0
+
CCID-3 also supports the rto_min setting: it is used to define the lower
bound for the expiry of the nofeedback timer. This can be useful on LANs
with very low RTTs (e.g., loopback, Gbit ethernet).
diff --git a/Documentation/networking/dctcp.txt b/Documentation/networking/dctcp.rst
index 13a857753208..4cc8bb2dad50 100644
--- a/Documentation/networking/dctcp.txt
+++ b/Documentation/networking/dctcp.rst
@@ -1,11 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
DCTCP (DataCenter TCP)
-----------------------
+======================
DCTCP is an enhancement to the TCP congestion control algorithm for data
center networks and leverages Explicit Congestion Notification (ECN) in
the data center network to provide multi-bit feedback to the end hosts.
-To enable it on end hosts:
+To enable it on end hosts::
sysctl -w net.ipv4.tcp_congestion_control=dctcp
sysctl -w net.ipv4.tcp_ecn_fallback=0 (optional)
@@ -25,14 +28,19 @@ SIGCOMM/SIGMETRICS papers:
i) Mohammad Alizadeh, Albert Greenberg, David A. Maltz, Jitendra Padhye,
Parveen Patel, Balaji Prabhakar, Sudipta Sengupta, and Murari Sridharan:
- "Data Center TCP (DCTCP)", Data Center Networks session
+
+ "Data Center TCP (DCTCP)", Data Center Networks session"
+
Proc. ACM SIGCOMM, New Delhi, 2010.
+
http://simula.stanford.edu/~alizade/Site/DCTCP_files/dctcp-final.pdf
http://www.sigcomm.org/ccr/papers/2010/October/1851275.1851192
ii) Mohammad Alizadeh, Adel Javanmard, and Balaji Prabhakar:
+
"Analysis of DCTCP: Stability, Convergence, and Fairness"
Proc. ACM SIGMETRICS, San Jose, 2011.
+
http://simula.stanford.edu/~alizade/Site/DCTCP_files/dctcp_analysis-full.pdf
IETF informational draft:
diff --git a/Documentation/networking/decnet.txt b/Documentation/networking/decnet.rst
index d192f8b9948b..b8bc11ff8370 100644
--- a/Documentation/networking/decnet.txt
+++ b/Documentation/networking/decnet.rst
@@ -1,26 +1,31 @@
- Linux DECnet Networking Layer Information
- ===========================================
+.. SPDX-License-Identifier: GPL-2.0
-1) Other documentation....
+=========================================
+Linux DECnet Networking Layer Information
+=========================================
- o Project Home Pages
- http://www.chygwyn.com/ - Kernel info
- http://linux-decnet.sourceforge.net/ - Userland tools
- http://www.sourceforge.net/projects/linux-decnet/ - Status page
+1. Other documentation....
+==========================
-2) Configuring the kernel
+ - Project Home Pages
+ - http://www.chygwyn.com/ - Kernel info
+ - http://linux-decnet.sourceforge.net/ - Userland tools
+ - http://www.sourceforge.net/projects/linux-decnet/ - Status page
+
+2. Configuring the kernel
+=========================
Be sure to turn on the following options:
- CONFIG_DECNET (obviously)
- CONFIG_PROC_FS (to see what's going on)
- CONFIG_SYSCTL (for easy configuration)
+ - CONFIG_DECNET (obviously)
+ - CONFIG_PROC_FS (to see what's going on)
+ - CONFIG_SYSCTL (for easy configuration)
if you want to try out router support (not properly debugged yet)
you'll need the following options as well...
- CONFIG_DECNET_ROUTER (to be able to add/delete routes)
- CONFIG_NETFILTER (will be required for the DECnet routing daemon)
+ - CONFIG_DECNET_ROUTER (to be able to add/delete routes)
+ - CONFIG_NETFILTER (will be required for the DECnet routing daemon)
Don't turn on SIOCGIFCONF support for DECnet unless you are really sure
that you need it, in general you won't and it can cause ifconfig to
@@ -29,7 +34,7 @@ malfunction.
Run time configuration has changed slightly from the 2.4 system. If you
want to configure an endnode, then the simplified procedure is as follows:
- o Set the MAC address on your ethernet card before starting _any_ other
+ - Set the MAC address on your ethernet card before starting _any_ other
network protocols.
As soon as your network card is brought into the UP state, DECnet should
@@ -37,7 +42,8 @@ start working. If you need something more complicated or are unsure how
to set the MAC address, see the next section. Also all configurations which
worked with 2.4 will work under 2.5 with no change.
-3) Command line options
+3. Command line options
+=======================
You can set a DECnet address on the kernel command line for compatibility
with the 2.4 configuration procedure, but in general it's not needed any more.
@@ -56,7 +62,7 @@ interface then you won't see any entries in /proc/net/neigh for the local
host until such time as you start a connection. This doesn't affect the
operation of the local communications in any other way though.
-The kernel command line takes options looking like the following:
+The kernel command line takes options looking like the following::
decnet.addr=1,2
@@ -82,7 +88,7 @@ address of the node in order for it to be autoconfigured (and then appear in
FTP sites called dn2ethaddr which can compute the correct ethernet
address to use. The address can be set by ifconfig either before or
at the time the device is brought up. If you are using RedHat you can
-add the line:
+add the line::
MACADDR=AA:00:04:00:03:04
@@ -95,7 +101,7 @@ verify with iproute2).
The default device for routing can be set through the /proc filesystem
by setting /proc/sys/net/decnet/default_device to the
device you want DECnet to route packets out of when no specific route
-is available. Usually this will be eth0, for example:
+is available. Usually this will be eth0, for example::
echo -n "eth0" >/proc/sys/net/decnet/default_device
@@ -106,7 +112,9 @@ confirm that by looking in the default_device file of course.
There is a list of what the other files under /proc/sys/net/decnet/ do
on the kernel patch web site (shown above).
-4) Run time kernel configuration
+4. Run time kernel configuration
+================================
+
This is either done through the sysctl/proc interface (see the kernel web
pages for details on what the various options do) or through the iproute2
@@ -122,20 +130,21 @@ since its the _only_ way to add and delete routes currently. Eventually
there will be a routing daemon to send and receive routing messages for
each interface and update the kernel routing tables accordingly. The
routing daemon will use netfilter to listen to routing packets, and
-rtnetlink to update the kernels routing tables.
+rtnetlink to update the kernels routing tables.
The DECnet raw socket layer has been removed since it was there purely
for use by the routing daemon which will now use netfilter (a much cleaner
and more generic solution) instead.
-5) How can I tell if its working ?
+5. How can I tell if its working?
+=================================
Here is a quick guide of what to look for in order to know if your DECnet
kernel subsystem is working.
- Is the node address set (see /proc/sys/net/decnet/node_address)
- - Is the node of the correct type
- (see /proc/sys/net/decnet/conf/<dev>/forwarding)
+ - Is the node of the correct type
+ (see /proc/sys/net/decnet/conf/<dev>/forwarding)
- Is the Ethernet MAC address of each Ethernet card set to match
the DECnet address. If in doubt use the dn2ethaddr utility available
at the ftp archive.
@@ -160,7 +169,8 @@ kernel subsystem is working.
network, and see if you can obtain the same results.
- At this point you are on your own... :-)
-6) How to send a bug report
+6. How to send a bug report
+===========================
If you've found a bug and want to report it, then there are several things
you can do to help me work out exactly what it is that is wrong. Useful
@@ -175,18 +185,19 @@ information (_most_ of which _is_ _essential_) includes:
- How much data was being transferred ?
- Was the network congested ?
- How can the problem be reproduced ?
- - Can you use tcpdump to get a trace ? (N.B. Most (all?) versions of
+ - Can you use tcpdump to get a trace ? (N.B. Most (all?) versions of
tcpdump don't understand how to dump DECnet properly, so including
the hex listing of the packet contents is _essential_, usually the -x flag.
You may also need to increase the length grabbed with the -s flag. The
-e flag also provides very useful information (ethernet MAC addresses))
-7) MAC FAQ
+7. MAC FAQ
+==========
A quick FAQ on ethernet MAC addresses to explain how Linux and DECnet
-interact and how to get the best performance from your hardware.
+interact and how to get the best performance from your hardware.
-Ethernet cards are designed to normally only pass received network frames
+Ethernet cards are designed to normally only pass received network frames
to a host computer when they are addressed to it, or to the broadcast address.
Linux has an interface which allows the setting of extra addresses for
@@ -197,8 +208,8 @@ significant processor time and bus bandwidth can be used up on a busy
network (see the NAPI documentation for a longer explanation of these
effects).
-DECnet makes use of this interface to allow running DECnet on an ethernet
-card which has already been configured using TCP/IP (presumably using the
+DECnet makes use of this interface to allow running DECnet on an ethernet
+card which has already been configured using TCP/IP (presumably using the
built in MAC address of the card, as usual) and/or to allow multiple DECnet
addresses on each physical interface. If you do this, be aware that if your
ethernet card doesn't support perfect hashing in its MAC address filter
@@ -210,7 +221,8 @@ to gain the best efficiency. Better still is to use a card which supports
NAPI as well.
-8) Mailing list
+8. Mailing list
+===============
If you are keen to get involved in development, or want to ask questions
about configuration, or even just report bugs, then there is a mailing
@@ -218,7 +230,8 @@ list that you can join, details are at:
http://sourceforge.net/mail/?group_id=4993
-9) Legal Info
+9. Legal Info
+=============
The Linux DECnet project team have placed their code under the GPL. The
software is provided "as is" and without warranty express or implied.
diff --git a/Documentation/networking/defza.txt b/Documentation/networking/defza.rst
index 663e4a906751..73c2f793ea26 100644
--- a/Documentation/networking/defza.txt
+++ b/Documentation/networking/defza.rst
@@ -1,4 +1,10 @@
-Notes on the DEC FDDIcontroller 700 (DEFZA-xx) driver v.1.1.4.
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================================================
+Notes on the DEC FDDIcontroller 700 (DEFZA-xx) driver
+=====================================================
+
+:Version: v.1.1.4
DEC FDDIcontroller 700 is DEC's first-generation TURBOchannel FDDI
diff --git a/Documentation/networking/device_drivers/3com/3c509.txt b/Documentation/networking/device_drivers/3com/3c509.rst
index fbf722e15ac3..47f706bacdd9 100644
--- a/Documentation/networking/device_drivers/3com/3c509.txt
+++ b/Documentation/networking/device_drivers/3com/3c509.rst
@@ -1,17 +1,21 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============================================================================
Linux and the 3Com EtherLink III Series Ethercards (driver v1.18c and higher)
-----------------------------------------------------------------------------
+=============================================================================
This file contains the instructions and caveats for v1.18c and higher versions
of the 3c509 driver. You should not use the driver without reading this file.
release 1.0
+
28 February 2002
+
Current maintainer (corrections to):
David Ruggiero <jdr@farfalle.com>
-----------------------------------------------------------------------------
-
-(0) Introduction
+Introduction
+============
The following are notes and information on using the 3Com EtherLink III series
ethercards in Linux. These cards are commonly known by the most widely-used
@@ -21,11 +25,11 @@ be (but sometimes are) confused with the similarly-numbered PCI-bus "3c905"
provided by the module 3c509.c, which has code to support all of the following
models:
- 3c509 (original ISA card)
- 3c509B (later revision of the ISA card; supports full-duplex)
- 3c589 (PCMCIA)
- 3c589B (later revision of the 3c589; supports full-duplex)
- 3c579 (EISA)
+ - 3c509 (original ISA card)
+ - 3c509B (later revision of the ISA card; supports full-duplex)
+ - 3c589 (PCMCIA)
+ - 3c589B (later revision of the 3c589; supports full-duplex)
+ - 3c579 (EISA)
Large portions of this documentation were heavily borrowed from the guide
written the original author of the 3c509 driver, Donald Becker. The master
@@ -33,32 +37,34 @@ copy of that document, which contains notes on older versions of the driver,
currently resides on Scyld web server: http://www.scyld.com/.
-(1) Special Driver Features
+Special Driver Features
+=======================
Overriding card settings
The driver allows boot- or load-time overriding of the card's detected IOADDR,
IRQ, and transceiver settings, although this capability shouldn't generally be
needed except to enable full-duplex mode (see below). An example of the syntax
-for LILO parameters for doing this:
+for LILO parameters for doing this::
- ether=10,0x310,3,0x3c509,eth0
+ ether=10,0x310,3,0x3c509,eth0
This configures the first found 3c509 card for IRQ 10, base I/O 0x310, and
transceiver type 3 (10base2). The flag "0x3c509" must be set to avoid conflicts
with other card types when overriding the I/O address. When the driver is
loaded as a module, only the IRQ may be overridden. For example,
setting two cards to IRQ10 and IRQ11 is done by using the irq module
-option:
+option::
options 3c509 irq=10,11
-(2) Full-duplex mode
+Full-duplex mode
+================
The v1.18c driver added support for the 3c509B's full-duplex capabilities.
In order to enable and successfully use full-duplex mode, three conditions
-must be met:
+must be met:
(a) You must have a Etherlink III card model whose hardware supports full-
duplex operations. Currently, the only members of the 3c509 family that are
@@ -78,27 +84,32 @@ duplex-capable Ethernet switch (*not* a hub), or a full-duplex-capable NIC on
another system that's connected directly to the 3c509B via a crossover cable.
Full-duplex mode can be enabled using 'ethtool'.
-
-/////Extremely important caution concerning full-duplex mode/////
-Understand that the 3c509B's hardware's full-duplex support is much more
-limited than that provide by more modern network interface cards. Although
-at the physical layer of the network it fully supports full-duplex operation,
-the card was designed before the current Ethernet auto-negotiation (N-way)
-spec was written. This means that the 3c509B family ***cannot and will not
-auto-negotiate a full-duplex connection with its link partner under any
-circumstances, no matter how it is initialized***. If the full-duplex mode
-of the 3c509B is enabled, its link partner will very likely need to be
-independently _forced_ into full-duplex mode as well; otherwise various nasty
-failures will occur - at the very least, you'll see massive numbers of packet
-collisions. This is one of very rare circumstances where disabling auto-
-negotiation and forcing the duplex mode of a network interface card or switch
-would ever be necessary or desirable.
-
-
-(3) Available Transceiver Types
+
+.. warning::
+
+ Extremely important caution concerning full-duplex mode
+
+ Understand that the 3c509B's hardware's full-duplex support is much more
+ limited than that provide by more modern network interface cards. Although
+ at the physical layer of the network it fully supports full-duplex operation,
+ the card was designed before the current Ethernet auto-negotiation (N-way)
+ spec was written. This means that the 3c509B family ***cannot and will not
+ auto-negotiate a full-duplex connection with its link partner under any
+ circumstances, no matter how it is initialized***. If the full-duplex mode
+ of the 3c509B is enabled, its link partner will very likely need to be
+ independently _forced_ into full-duplex mode as well; otherwise various nasty
+ failures will occur - at the very least, you'll see massive numbers of packet
+ collisions. This is one of very rare circumstances where disabling auto-
+ negotiation and forcing the duplex mode of a network interface card or switch
+ would ever be necessary or desirable.
+
+
+Available Transceiver Types
+===========================
For versions of the driver v1.18c and above, the available transceiver types are:
-
+
+== =========================================================================
0 transceiver type from EEPROM config (normally 10baseT); force half-duplex
1 AUI (thick-net / DB15 connector)
2 (undefined)
@@ -106,6 +117,7 @@ For versions of the driver v1.18c and above, the available transceiver types are
4 10baseT (RJ-45 connector); force half-duplex mode
8 transceiver type and duplex mode taken from card's EEPROM config settings
12 10baseT (RJ-45 connector); force full-duplex mode
+== =========================================================================
Prior to driver version 1.18c, only transceiver codes 0-4 were supported. Note
that the new transceiver codes 8 and 12 are the *only* ones that will enable
@@ -116,26 +128,30 @@ it must always be explicitly enabled via one of these code in order to be
activated.
The transceiver type can be changed using 'ethtool'.
-
-(4a) Interpretation of error messages and common problems
+
+Interpretation of error messages and common problems
+----------------------------------------------------
Error Messages
+^^^^^^^^^^^^^^
-eth0: Infinite loop in interrupt, status 2011.
+eth0: Infinite loop in interrupt, status 2011.
These are "mostly harmless" message indicating that the driver had too much
work during that interrupt cycle. With a status of 0x2011 you are receiving
packets faster than they can be removed from the card. This should be rare
or impossible in normal operation. Possible causes of this error report are:
-
+
- a "green" mode enabled that slows the processor down when there is no
- keyboard activity.
+ keyboard activity.
- some other device or device driver hogging the bus or disabling interrupts.
Check /proc/interrupts for excessive interrupt counts. The timer tick
- interrupt should always be incrementing faster than the others.
+ interrupt should always be incrementing faster than the others.
+
+No received packets
+^^^^^^^^^^^^^^^^^^^
-No received packets
If a 3c509, 3c562 or 3c589 can successfully transmit packets, but never
receives packets (as reported by /proc/net/dev or 'ifconfig') you likely
have an interrupt line problem. Check /proc/interrupts to verify that the
@@ -146,26 +162,37 @@ or IRQ5, and the easiest solution is to move the 3c509 to a different
interrupt line. If the device is receiving packets but 'ping' doesn't work,
you have a routing problem.
-Tx Carrier Errors Reported in /proc/net/dev
+Tx Carrier Errors Reported in /proc/net/dev
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+
If an EtherLink III appears to transmit packets, but the "Tx carrier errors"
field in /proc/net/dev increments as quickly as the Tx packet count, you
-likely have an unterminated network or the incorrect media transceiver selected.
+likely have an unterminated network or the incorrect media transceiver selected.
+
+3c509B card is not detected on machines with an ISA PnP BIOS.
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-3c509B card is not detected on machines with an ISA PnP BIOS.
While the updated driver works with most PnP BIOS programs, it does not work
with all. This can be fixed by disabling PnP support using the 3Com-supplied
-setup program.
+setup program.
+
+3c509 card is not detected on overclocked machines
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-3c509 card is not detected on overclocked machines
Increase the delay time in id_read_eeprom() from the current value, 500,
-to an absurdly high value, such as 5000.
+to an absurdly high value, such as 5000.
+
+Decoding Status and Error Messages
+----------------------------------
-(4b) Decoding Status and Error Messages
-The bits in the main status register are:
+The bits in the main status register are:
+===== ======================================
value description
+===== ======================================
0x01 Interrupt latch
0x02 Tx overrun, or Rx underrun
0x04 Tx complete
@@ -174,30 +201,38 @@ value description
0x20 A Rx packet has started to arrive
0x40 The driver has requested an interrupt
0x80 Statistics counter nearly full
+===== ======================================
-The bits in the transmit (Tx) status word are:
+The bits in the transmit (Tx) status word are:
-value description
-0x02 Out-of-window collision.
-0x04 Status stack overflow (normally impossible).
-0x08 16 collisions.
-0x10 Tx underrun (not enough PCI bus bandwidth).
-0x20 Tx jabber.
-0x40 Tx interrupt requested.
-0x80 Status is valid (this should always be set).
+===== ============================================
+value description
+===== ============================================
+0x02 Out-of-window collision.
+0x04 Status stack overflow (normally impossible).
+0x08 16 collisions.
+0x10 Tx underrun (not enough PCI bus bandwidth).
+0x20 Tx jabber.
+0x40 Tx interrupt requested.
+0x80 Status is valid (this should always be set).
+===== ============================================
-When a transmit error occurs the driver produces a status message such as
+When a transmit error occurs the driver produces a status message such as::
eth0: Transmit error, Tx status register 82
The two values typically seen here are:
-0x82
+0x82
+^^^^
+
Out of window collision. This typically occurs when some other Ethernet
-host is incorrectly set to full duplex on a half duplex network.
+host is incorrectly set to full duplex on a half duplex network.
+
+0x88
+^^^^
-0x88
16 collisions. This typically occurs when the network is exceptionally busy
or when another host doesn't correctly back off after a collision. If this
error is mixed with 0x82 errors it is the result of a host incorrectly set
@@ -207,7 +242,8 @@ Both of these errors are the result of network problems that should be
corrected. They do not represent driver malfunction.
-(5) Revision history (this file)
+Revision history (this file)
+============================
28Feb02 v1.0 DR New; major portions based on Becker original 3c509 docs
diff --git a/Documentation/networking/device_drivers/3com/vortex.txt b/Documentation/networking/device_drivers/3com/vortex.rst
index 587f3fcfbcae..800add5be338 100644
--- a/Documentation/networking/device_drivers/3com/vortex.txt
+++ b/Documentation/networking/device_drivers/3com/vortex.rst
@@ -1,5 +1,13 @@
-Documentation/networking/device_drivers/3com/vortex.txt
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================
+3Com Vortex device driver
+=========================
+
+Documentation/networking/device_drivers/3com/vortex.rst
+
Andrew Morton
+
30 April 2000
@@ -8,12 +16,12 @@ driver for Linux, 3c59x.c.
The driver was written by Donald Becker <becker@scyld.com>
-Don is no longer the prime maintainer of this version of the driver.
+Don is no longer the prime maintainer of this version of the driver.
Please report problems to one or more of:
- Andrew Morton
- Netdev mailing list <netdev@vger.kernel.org>
- Linux kernel mailing list <linux-kernel@vger.kernel.org>
+- Andrew Morton
+- Netdev mailing list <netdev@vger.kernel.org>
+- Linux kernel mailing list <linux-kernel@vger.kernel.org>
Please note the 'Reporting and Diagnosing Problems' section at the end
of this file.
@@ -24,58 +32,58 @@ Since kernel 2.3.99-pre6, this driver incorporates the support for the
This driver supports the following hardware:
- 3c590 Vortex 10Mbps
- 3c592 EISA 10Mbps Demon/Vortex
- 3c597 EISA Fast Demon/Vortex
- 3c595 Vortex 100baseTx
- 3c595 Vortex 100baseT4
- 3c595 Vortex 100base-MII
- 3c900 Boomerang 10baseT
- 3c900 Boomerang 10Mbps Combo
- 3c900 Cyclone 10Mbps TPO
- 3c900 Cyclone 10Mbps Combo
- 3c900 Cyclone 10Mbps TPC
- 3c900B-FL Cyclone 10base-FL
- 3c905 Boomerang 100baseTx
- 3c905 Boomerang 100baseT4
- 3c905B Cyclone 100baseTx
- 3c905B Cyclone 10/100/BNC
- 3c905B-FX Cyclone 100baseFx
- 3c905C Tornado
- 3c920B-EMB-WNM (ATI Radeon 9100 IGP)
- 3c980 Cyclone
- 3c980C Python-T
- 3cSOHO100-TX Hurricane
- 3c555 Laptop Hurricane
- 3c556 Laptop Tornado
- 3c556B Laptop Hurricane
- 3c575 [Megahertz] 10/100 LAN CardBus
- 3c575 Boomerang CardBus
- 3CCFE575BT Cyclone CardBus
- 3CCFE575CT Tornado CardBus
- 3CCFE656 Cyclone CardBus
- 3CCFEM656B Cyclone+Winmodem CardBus
- 3CXFEM656C Tornado+Winmodem CardBus
- 3c450 HomePNA Tornado
- 3c920 Tornado
- 3c982 Hydra Dual Port A
- 3c982 Hydra Dual Port B
- 3c905B-T4
- 3c920B-EMB-WNM Tornado
+ - 3c590 Vortex 10Mbps
+ - 3c592 EISA 10Mbps Demon/Vortex
+ - 3c597 EISA Fast Demon/Vortex
+ - 3c595 Vortex 100baseTx
+ - 3c595 Vortex 100baseT4
+ - 3c595 Vortex 100base-MII
+ - 3c900 Boomerang 10baseT
+ - 3c900 Boomerang 10Mbps Combo
+ - 3c900 Cyclone 10Mbps TPO
+ - 3c900 Cyclone 10Mbps Combo
+ - 3c900 Cyclone 10Mbps TPC
+ - 3c900B-FL Cyclone 10base-FL
+ - 3c905 Boomerang 100baseTx
+ - 3c905 Boomerang 100baseT4
+ - 3c905B Cyclone 100baseTx
+ - 3c905B Cyclone 10/100/BNC
+ - 3c905B-FX Cyclone 100baseFx
+ - 3c905C Tornado
+ - 3c920B-EMB-WNM (ATI Radeon 9100 IGP)
+ - 3c980 Cyclone
+ - 3c980C Python-T
+ - 3cSOHO100-TX Hurricane
+ - 3c555 Laptop Hurricane
+ - 3c556 Laptop Tornado
+ - 3c556B Laptop Hurricane
+ - 3c575 [Megahertz] 10/100 LAN CardBus
+ - 3c575 Boomerang CardBus
+ - 3CCFE575BT Cyclone CardBus
+ - 3CCFE575CT Tornado CardBus
+ - 3CCFE656 Cyclone CardBus
+ - 3CCFEM656B Cyclone+Winmodem CardBus
+ - 3CXFEM656C Tornado+Winmodem CardBus
+ - 3c450 HomePNA Tornado
+ - 3c920 Tornado
+ - 3c982 Hydra Dual Port A
+ - 3c982 Hydra Dual Port B
+ - 3c905B-T4
+ - 3c920B-EMB-WNM Tornado
Module parameters
=================
There are several parameters which may be provided to the driver when
-its module is loaded. These are usually placed in /etc/modprobe.d/*.conf
-configuration files. Example:
+its module is loaded. These are usually placed in ``/etc/modprobe.d/*.conf``
+configuration files. Example::
-options 3c59x debug=3 rx_copybreak=300
+ options 3c59x debug=3 rx_copybreak=300
If you are using the PCMCIA tools (cardmgr) then the options may be
-placed in /etc/pcmcia/config.opts:
+placed in /etc/pcmcia/config.opts::
-module "3c59x" opts "debug=3 rx_copybreak=300"
+ module "3c59x" opts "debug=3 rx_copybreak=300"
The supported parameters are:
@@ -89,7 +97,7 @@ options=N1,N2,N3,...
Each number in the list provides an option to the corresponding
network card. So if you have two 3c905's and you wish to provide
- them with option 0x204 you would use:
+ them with option 0x204 you would use::
options=0x204,0x204
@@ -97,6 +105,8 @@ options=N1,N2,N3,...
have the following meanings:
Possible media type settings
+
+ == =================================
0 10baseT
1 10Mbs AUI
2 undefined
@@ -108,17 +118,20 @@ options=N1,N2,N3,...
8 Autonegotiate
9 External MII
10 Use default setting from EEPROM
+ == =================================
When generating a value for the 'options' setting, the above media
selection values may be OR'ed (or added to) the following:
+ ====== =============================================
0x8000 Set driver debugging level to 7
0x4000 Set driver debugging level to 2
0x0400 Enable Wake-on-LAN
0x0200 Force full duplex mode.
0x0010 Bus-master enable bit (Old Vortex cards only)
+ ====== =============================================
- For example:
+ For example::
insmod 3c59x options=0x204
@@ -127,14 +140,14 @@ options=N1,N2,N3,...
global_options=N
- Sets the `options' parameter for all 3c59x NICs in the machine.
- Entries in the `options' array above will override any setting of
+ Sets the ``options`` parameter for all 3c59x NICs in the machine.
+ Entries in the ``options`` array above will override any setting of
this.
full_duplex=N1,N2,N3...
Similar to bit 9 of 'options'. Forces the corresponding card into
- full-duplex mode. Please use this in preference to the `options'
+ full-duplex mode. Please use this in preference to the ``options``
parameter.
In fact, please don't use this at all! You're better off getting
@@ -143,13 +156,13 @@ full_duplex=N1,N2,N3...
global_full_duplex=N1
Sets full duplex mode for all 3c59x NICs in the machine. Entries
- in the `full_duplex' array above will override any setting of this.
+ in the ``full_duplex`` array above will override any setting of this.
flow_ctrl=N1,N2,N3...
Use 802.3x MAC-layer flow control. The 3com cards only support the
PAUSE command, which means that they will stop sending packets for a
- short period if they receive a PAUSE frame from the link partner.
+ short period if they receive a PAUSE frame from the link partner.
The driver only allows flow control on a link which is operating in
full duplex mode.
@@ -170,14 +183,14 @@ rx_copybreak=M
This is a speed/space tradeoff.
- The value of rx_copybreak is used to decide when to make the copy.
- If the packet size is less than rx_copybreak, the packet is copied.
+ The value of rx_copybreak is used to decide when to make the copy.
+ If the packet size is less than rx_copybreak, the packet is copied.
The default value for rx_copybreak is 200 bytes.
max_interrupt_work=N
The driver's interrupt service routine can handle many receive and
- transmit packets in a single invocation. It does this in a loop.
+ transmit packets in a single invocation. It does this in a loop.
The value of max_interrupt_work governs how many times the interrupt
service routine will loop. The default value is 32 loops. If this
is exceeded the interrupt service routine gives up and generates a
@@ -186,7 +199,7 @@ max_interrupt_work=N
hw_checksums=N1,N2,N3,...
Recent 3com NICs are able to generate IPv4, TCP and UDP checksums
- in hardware. Linux has used the Rx checksumming for a long time.
+ in hardware. Linux has used the Rx checksumming for a long time.
The "zero copy" patch which is planned for the 2.4 kernel series
allows you to make use of the NIC's DMA scatter/gather and transmit
checksumming as well.
@@ -196,11 +209,11 @@ hw_checksums=N1,N2,N3,...
This module parameter has been provided so you can override this
decision. If you think that Tx checksums are causing a problem, you
- may disable the feature with `hw_checksums=0'.
+ may disable the feature with ``hw_checksums=0``.
If you think your NIC should be performing Tx checksumming and the
driver isn't enabling it, you can force the use of hardware Tx
- checksumming with `hw_checksums=1'.
+ checksumming with ``hw_checksums=1``.
The driver drops a message in the logfiles to indicate whether or
not it is using hardware scatter/gather and hardware Tx checksums.
@@ -210,8 +223,8 @@ hw_checksums=N1,N2,N3,...
decrease in throughput for send(). There is no effect upon receive
efficiency.
-compaq_ioaddr=N
-compaq_irq=N
+compaq_ioaddr=N,
+compaq_irq=N,
compaq_device_id=N
"Variables to work-around the Compaq PCI BIOS32 problem"....
@@ -219,7 +232,7 @@ compaq_device_id=N
watchdog=N
Sets the time duration (in milliseconds) after which the kernel
- decides that the transmitter has become stuck and needs to be reset.
+ decides that the transmitter has become stuck and needs to be reset.
This is mainly for debugging purposes, although it may be advantageous
to increase this value on LANs which have very high collision rates.
The default value is 5000 (5.0 seconds).
@@ -227,7 +240,7 @@ watchdog=N
enable_wol=N1,N2,N3,...
Enable Wake-on-LAN support for the relevant interface. Donald
- Becker's `ether-wake' application may be used to wake suspended
+ Becker's ``ether-wake`` application may be used to wake suspended
machines.
Also enables the NIC's power management support.
@@ -235,7 +248,7 @@ enable_wol=N1,N2,N3,...
global_enable_wol=N
Sets enable_wol mode for all 3c59x NICs in the machine. Entries in
- the `enable_wol' array above will override any setting of this.
+ the ``enable_wol`` array above will override any setting of this.
Media selection
---------------
@@ -325,12 +338,12 @@ Autonegotiation notes
Cisco switches (Jeff Busch <jbusch@deja.com>)
- My "standard config" for ports to which PC's/servers connect directly:
+ My "standard config" for ports to which PC's/servers connect directly::
- interface FastEthernet0/N
- description machinename
- load-interval 30
- spanning-tree portfast
+ interface FastEthernet0/N
+ description machinename
+ load-interval 30
+ spanning-tree portfast
If autonegotiation is a problem, you may need to specify "speed
100" and "duplex full" as well (or "speed 10" and "duplex half").
@@ -368,9 +381,9 @@ steps you should take:
But for most problems it is useful to provide the following:
- o Kernel version, driver version
+ - Kernel version, driver version
- o A copy of the banner message which the driver generates when
+ - A copy of the banner message which the driver generates when
it is initialised. For example:
eth0: 3Com PCI 3c905C Tornado at 0xa400, 00:50:da:6a:88:f0, IRQ 19
@@ -378,68 +391,68 @@ steps you should take:
MII transceiver found at address 24, status 782d.
Enabling bus-master transmits and whole-frame receives.
- NOTE: You must provide the `debug=2' modprobe option to generate
- a full detection message. Please do this:
+ NOTE: You must provide the ``debug=2`` modprobe option to generate
+ a full detection message. Please do this::
modprobe 3c59x debug=2
- o If it is a PCI device, the relevant output from 'lspci -vx', eg:
-
- 00:09.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 74)
- Subsystem: 3Com Corporation: Unknown device 9200
- Flags: bus master, medium devsel, latency 32, IRQ 19
- I/O ports at a400 [size=128]
- Memory at db000000 (32-bit, non-prefetchable) [size=128]
- Expansion ROM at <unassigned> [disabled] [size=128K]
- Capabilities: [dc] Power Management version 2
- 00: b7 10 00 92 07 00 10 02 74 00 00 02 08 20 00 00
- 10: 01 a4 00 00 00 00 00 db 00 00 00 00 00 00 00 00
- 20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 00 10
- 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0a 0a
-
- o A description of the environment: 10baseT? 100baseT?
+ - If it is a PCI device, the relevant output from 'lspci -vx', eg::
+
+ 00:09.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 74)
+ Subsystem: 3Com Corporation: Unknown device 9200
+ Flags: bus master, medium devsel, latency 32, IRQ 19
+ I/O ports at a400 [size=128]
+ Memory at db000000 (32-bit, non-prefetchable) [size=128]
+ Expansion ROM at <unassigned> [disabled] [size=128K]
+ Capabilities: [dc] Power Management version 2
+ 00: b7 10 00 92 07 00 10 02 74 00 00 02 08 20 00 00
+ 10: 01 a4 00 00 00 00 00 db 00 00 00 00 00 00 00 00
+ 20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 00 10
+ 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 0a 0a
+
+ - A description of the environment: 10baseT? 100baseT?
full/half duplex? switched or hubbed?
- o Any additional module parameters which you may be providing to the driver.
+ - Any additional module parameters which you may be providing to the driver.
- o Any kernel logs which are produced. The more the merrier.
+ - Any kernel logs which are produced. The more the merrier.
If this is a large file and you are sending your report to a
mailing list, mention that you have the logfile, but don't send
it. If you're reporting direct to the maintainer then just send
it.
To ensure that all kernel logs are available, add the
- following line to /etc/syslog.conf:
+ following line to /etc/syslog.conf::
- kern.* /var/log/messages
+ kern.* /var/log/messages
- Then restart syslogd with:
+ Then restart syslogd with::
- /etc/rc.d/init.d/syslog restart
+ /etc/rc.d/init.d/syslog restart
(The above may vary, depending upon which Linux distribution you use).
- o If your problem is reproducible then that's great. Try the
+ - If your problem is reproducible then that's great. Try the
following:
1) Increase the debug level. Usually this is done via:
- a) modprobe driver debug=7
- b) In /etc/modprobe.d/driver.conf:
- options driver debug=7
+ a) modprobe driver debug=7
+ b) In /etc/modprobe.d/driver.conf:
+ options driver debug=7
2) Recreate the problem with the higher debug level,
- send all logs to the maintainer.
+ send all logs to the maintainer.
3) Download you card's diagnostic tool from Donald
- Becker's website <http://www.scyld.com/ethercard_diag.html>.
- Download mii-diag.c as well. Build these.
+ Becker's website <http://www.scyld.com/ethercard_diag.html>.
+ Download mii-diag.c as well. Build these.
- a) Run 'vortex-diag -aaee' and 'mii-diag -v' when the card is
- working correctly. Save the output.
+ a) Run 'vortex-diag -aaee' and 'mii-diag -v' when the card is
+ working correctly. Save the output.
- b) Run the above commands when the card is malfunctioning. Send
- both sets of output.
+ b) Run the above commands when the card is malfunctioning. Send
+ both sets of output.
Finally, please be patient and be prepared to do some work. You may
end up working on this problem for a week or more as the maintainer
diff --git a/Documentation/networking/device_drivers/amazon/ena.txt b/Documentation/networking/device_drivers/amazon/ena.rst
index 1bb55c7b604c..11af6388ea87 100644
--- a/Documentation/networking/device_drivers/amazon/ena.txt
+++ b/Documentation/networking/device_drivers/amazon/ena.rst
@@ -1,8 +1,12 @@
-Linux kernel driver for Elastic Network Adapter (ENA) family:
-=============================================================
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================================
+Linux kernel driver for Elastic Network Adapter (ENA) family
+============================================================
+
+Overview
+========
-Overview:
-=========
ENA is a networking interface designed to make good use of modern CPU
features and system architectures.
@@ -35,32 +39,40 @@ debug logs.
Some of the ENA devices support a working mode called Low-latency
Queue (LLQ), which saves several more microseconds.
-Supported PCI vendor ID/device IDs:
+Supported PCI vendor ID/device IDs
+==================================
+
+========= =======================
+1d0f:0ec2 ENA PF
+1d0f:1ec2 ENA PF with LLQ support
+1d0f:ec20 ENA VF
+1d0f:ec21 ENA VF with LLQ support
+========= =======================
+
+ENA Source Code Directory Structure
===================================
-1d0f:0ec2 - ENA PF
-1d0f:1ec2 - ENA PF with LLQ support
-1d0f:ec20 - ENA VF
-1d0f:ec21 - ENA VF with LLQ support
-
-ENA Source Code Directory Structure:
-====================================
-ena_com.[ch] - Management communication layer. This layer is
- responsible for the handling all the management
- (admin) communication between the device and the
- driver.
-ena_eth_com.[ch] - Tx/Rx data path.
-ena_admin_defs.h - Definition of ENA management interface.
-ena_eth_io_defs.h - Definition of ENA data path interface.
-ena_common_defs.h - Common definitions for ena_com layer.
-ena_regs_defs.h - Definition of ENA PCI memory-mapped (MMIO) registers.
-ena_netdev.[ch] - Main Linux kernel driver.
-ena_syfsfs.[ch] - Sysfs files.
-ena_ethtool.c - ethtool callbacks.
-ena_pci_id_tbl.h - Supported device IDs.
+
+================= ======================================================
+ena_com.[ch] Management communication layer. This layer is
+ responsible for the handling all the management
+ (admin) communication between the device and the
+ driver.
+ena_eth_com.[ch] Tx/Rx data path.
+ena_admin_defs.h Definition of ENA management interface.
+ena_eth_io_defs.h Definition of ENA data path interface.
+ena_common_defs.h Common definitions for ena_com layer.
+ena_regs_defs.h Definition of ENA PCI memory-mapped (MMIO) registers.
+ena_netdev.[ch] Main Linux kernel driver.
+ena_syfsfs.[ch] Sysfs files.
+ena_ethtool.c ethtool callbacks.
+ena_pci_id_tbl.h Supported device IDs.
+================= ======================================================
Management Interface:
=====================
+
ENA management interface is exposed by means of:
+
- PCIe Configuration Space
- Device Registers
- Admin Queue (AQ) and Admin Completion Queue (ACQ)
@@ -78,6 +90,7 @@ vendor-specific extensions. Most of the management operations are
framed in a generic Get/Set feature command.
The following admin queue commands are supported:
+
- Create I/O submission queue
- Create I/O completion queue
- Destroy I/O submission queue
@@ -96,12 +109,16 @@ be reported using ACQ. AENQ events are subdivided into groups. Each
group may have multiple syndromes, as shown below
The events are:
+
+ ==================== ===============
Group Syndrome
- Link state change - X -
- Fatal error - X -
+ ==================== ===============
+ Link state change **X**
+ Fatal error **X**
Notification Suspend traffic
Notification Resume traffic
- Keep-Alive - X -
+ Keep-Alive **X**
+ ==================== ===============
ACQ and AENQ share the same MSI-X vector.
@@ -113,8 +130,8 @@ the device every second. The driver re-arms the WD upon reception of a
Keep-Alive event. A missed Keep-Alive event causes the WD handler to
fire.
-Data Path Interface:
-====================
+Data Path Interface
+===================
I/O operations are based on Tx and Rx Submission Queues (Tx SQ and Rx
SQ correspondingly). Each SQ has a completion queue (CQ) associated
with it.
@@ -123,11 +140,15 @@ The SQs and CQs are implemented as descriptor rings in contiguous
physical memory.
The ENA driver supports two Queue Operation modes for Tx SQs:
+
- Regular mode
+
* In this mode the Tx SQs reside in the host's memory. The ENA
device fetches the ENA Tx descriptors and packet data from host
memory.
+
- Low Latency Queue (LLQ) mode or "push-mode".
+
* In this mode the driver pushes the transmit descriptors and the
first 128 bytes of the packet directly to the ENA device memory
space. The rest of the packet payload is fetched by the
@@ -142,6 +163,7 @@ Note: Not all ENA devices support LLQ, and this feature is negotiated
The driver supports multi-queue for both Tx and Rx. This has various
benefits:
+
- Reduced CPU/thread/process contention on a given Ethernet interface.
- Cache miss rate on completion is reduced, particularly for data
cache lines that hold the sk_buff structures.
@@ -151,8 +173,8 @@ benefits:
packet is running.
- In hardware interrupt re-direction.
-Interrupt Modes:
-================
+Interrupt Modes
+===============
The driver assigns a single MSI-X vector per queue pair (for both Tx
and Rx directions). The driver assigns an additional dedicated MSI-X vector
for management (for ACQ and AENQ).
@@ -163,9 +185,12 @@ removed. I/O queue interrupt registration is performed when the Linux
interface of the adapter is opened, and it is de-registered when the
interface is closed.
-The management interrupt is named:
+The management interrupt is named::
+
ena-mgmnt@pci:<PCI domain:bus:slot.function>
-and for each queue pair, an interrupt is named:
+
+and for each queue pair, an interrupt is named::
+
<interface name>-Tx-Rx-<queue index>
The ENA device operates in auto-mask and auto-clear interrupt
@@ -173,8 +198,8 @@ modes. That is, once MSI-X is delivered to the host, its Cause bit is
automatically cleared and the interrupt is masked. The interrupt is
unmasked by the driver after NAPI processing is complete.
-Interrupt Moderation:
-=====================
+Interrupt Moderation
+====================
ENA driver and device can operate in conventional or adaptive interrupt
moderation mode.
@@ -202,45 +227,46 @@ delay value to each level.
The user can enable/disable adaptive moderation, modify the interrupt
delay table and restore its default values through sysfs.
-RX copybreak:
-=============
+RX copybreak
+============
The rx_copybreak is initialized by default to ENA_DEFAULT_RX_COPYBREAK
and can be configured by the ETHTOOL_STUNABLE command of the
SIOCETHTOOL ioctl.
-SKB:
-====
+SKB
+===
The driver-allocated SKB for frames received from Rx handling using
NAPI context. The allocation method depends on the size of the packet.
If the frame length is larger than rx_copybreak, napi_get_frags()
is used, otherwise netdev_alloc_skb_ip_align() is used, the buffer
content is copied (by CPU) to the SKB, and the buffer is recycled.
-Statistics:
-===========
+Statistics
+==========
The user can obtain ENA device and driver statistics using ethtool.
The driver can collect regular or extended statistics (including
per-queue stats) from the device.
In addition the driver logs the stats to syslog upon device reset.
-MTU:
-====
+MTU
+===
The driver supports an arbitrarily large MTU with a maximum that is
negotiated with the device. The driver configures MTU using the
SetFeature command (ENA_ADMIN_MTU property). The user can change MTU
via ip(8) and similar legacy tools.
-Stateless Offloads:
-===================
+Stateless Offloads
+==================
The ENA driver supports:
+
- TSO over IPv4/IPv6
- TSO with ECN
- IPv4 header checksum offload
- TCP/UDP over IPv4/IPv6 checksum offloads
-RSS:
-====
+RSS
+===
- The ENA device supports RSS that allows flexible Rx traffic
steering.
- Toeplitz and CRC32 hash functions are supported.
@@ -255,11 +281,13 @@ RSS:
- The user can provide a hash key, hash function, and configure the
indirection table through ethtool(8).
-DATA PATH:
-==========
-Tx:
----
+DATA PATH
+=========
+Tx
+--
+
end_start_xmit() is called by the stack. This function does the following:
+
- Maps data buffers (skb->data and frags).
- Populates ena_buf for the push buffer (if the driver and device are
in push mode.)
@@ -271,8 +299,10 @@ end_start_xmit() is called by the stack. This function does the following:
- Calls ena_com_prepare_tx(), an ENA communication layer that converts
the ena_bufs to ENA descriptors (and adds meta ENA descriptors as
needed.)
+
* This function also copies the ENA descriptors and the push buffer
to the Device memory space (if in push mode.)
+
- Writes doorbell to the ENA device.
- When the ENA device finishes sending the packet, a completion
interrupt is raised.
@@ -280,14 +310,16 @@ end_start_xmit() is called by the stack. This function does the following:
- The ena_clean_tx_irq() function is called. This function handles the
completion descriptors generated by the ENA, with a single
completion descriptor per completed packet.
+
* req_id is retrieved from the completion descriptor. The tx_info of
the packet is retrieved via the req_id. The data buffers are
unmapped and req_id is returned to the empty req_id ring.
* The function stops when the completion descriptors are completed or
the budget is reached.
-Rx:
----
+Rx
+--
+
- When a packet is received from the ENA device.
- The interrupt handler schedules NAPI.
- The ena_clean_rx_irq() function is called. This function calls
@@ -296,13 +328,17 @@ Rx:
no new packet is found.
- Then it calls the ena_clean_rx_irq() function.
- ena_eth_rx_skb() checks packet length:
+
* If the packet is small (len < rx_copybreak), the driver allocates
a SKB for the new packet, and copies the packet payload into the
SKB data buffer.
+
- In this way the original data buffer is not passed to the stack
and is reused for future Rx packets.
+
* Otherwise the function unmaps the Rx buffer, then allocates the
new SKB structure and hooks the Rx buffer to the SKB frags.
+
- The new SKB is updated with the necessary information (protocol,
checksum hw verify result, etc.), and then passed to the network
stack, using the NAPI interface function napi_gro_receive().
diff --git a/Documentation/networking/device_drivers/aquantia/atlantic.txt b/Documentation/networking/device_drivers/aquantia/atlantic.rst
index 2013fcedc2da..595ddef1c8b3 100644
--- a/Documentation/networking/device_drivers/aquantia/atlantic.txt
+++ b/Documentation/networking/device_drivers/aquantia/atlantic.rst
@@ -1,83 +1,96 @@
-Marvell(Aquantia) AQtion Driver for the aQuantia Multi-Gigabit PCI Express
-Family of Ethernet Adapters
-=============================================================================
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
-Contents
-========
+===============================
+Marvell(Aquantia) AQtion Driver
+===============================
-- Identifying Your Adapter
-- Configuration
-- Supported ethtool options
-- Command Line Parameters
-- Config file parameters
-- Support
-- License
+For the aQuantia Multi-Gigabit PCI Express Family of Ethernet Adapters
+
+.. Contents
+
+ - Identifying Your Adapter
+ - Configuration
+ - Supported ethtool options
+ - Command Line Parameters
+ - Config file parameters
+ - Support
+ - License
Identifying Your Adapter
========================
-The driver in this release is compatible with AQC-100, AQC-107, AQC-108 based ethernet adapters.
+The driver in this release is compatible with AQC-100, AQC-107, AQC-108
+based ethernet adapters.
SFP+ Devices (for AQC-100 based adapters)
-----------------------------------
+-----------------------------------------
-This release tested with passive Direct Attach Cables (DAC) and SFP+/LC Optical Transceiver.
+This release tested with passive Direct Attach Cables (DAC) and SFP+/LC
+Optical Transceiver.
Configuration
-=========================
- Viewing Link Messages
- ---------------------
+=============
+
+Viewing Link Messages
+---------------------
Link messages will not be displayed to the console if the distribution is
restricting system messages. In order to see network driver link messages on
- your console, set dmesg to eight by entering the following:
+ your console, set dmesg to eight by entering the following::
dmesg -n 8
- NOTE: This setting is not saved across reboots.
+ .. note::
- Jumbo Frames
- ------------
+ This setting is not saved across reboots.
+
+Jumbo Frames
+------------
The driver supports Jumbo Frames for all adapters. Jumbo Frames support is
enabled by changing the MTU to a value larger than the default of 1500.
The maximum value for the MTU is 16000. Use the `ip` command to
- increase the MTU size. For example:
+ increase the MTU size. For example::
- ip link set mtu 16000 dev enp1s0
+ ip link set mtu 16000 dev enp1s0
- ethtool
- -------
+ethtool
+-------
The driver utilizes the ethtool interface for driver configuration and
diagnostics, as well as displaying statistical information. The latest
ethtool version is required for this functionality.
- NAPI
- ----
+NAPI
+----
NAPI (Rx polling mode) is supported in the atlantic driver.
Supported ethtool options
-============================
- Viewing adapter settings
- ---------------------
- ethtool <ethX>
+=========================
+
+Viewing adapter settings
+------------------------
+
+ ::
- Output example:
+ ethtool <ethX>
+
+ Output example::
Settings for enp1s0:
Supported ports: [ TP ]
Supported link modes: 100baseT/Full
- 1000baseT/Full
- 10000baseT/Full
- 2500baseT/Full
- 5000baseT/Full
+ 1000baseT/Full
+ 10000baseT/Full
+ 2500baseT/Full
+ 5000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 100baseT/Full
- 1000baseT/Full
- 10000baseT/Full
- 2500baseT/Full
- 5000baseT/Full
+ 1000baseT/Full
+ 10000baseT/Full
+ 2500baseT/Full
+ 5000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
@@ -92,16 +105,22 @@ Supported ethtool options
Wake-on: d
Link detected: yes
- ---
- Note: AQrate speeds (2.5/5 Gb/s) will be displayed only with linux kernels > 4.10.
- But you can still use these speeds:
+
+ .. note::
+
+ AQrate speeds (2.5/5 Gb/s) will be displayed only with linux kernels > 4.10.
+ But you can still use these speeds::
+
ethtool -s eth0 autoneg off speed 2500
- Viewing adapter information
- ---------------------
- ethtool -i <ethX>
+Viewing adapter information
+---------------------------
- Output example:
+ ::
+
+ ethtool -i <ethX>
+
+ Output example::
driver: atlantic
version: 5.2.0-050200rc5-generic-kern
@@ -115,12 +134,16 @@ Supported ethtool options
supports-priv-flags: no
- Viewing Ethernet adapter statistics:
- ---------------------
- ethtool -S <ethX>
+Viewing Ethernet adapter statistics
+-----------------------------------
+
+ ::
- Output example:
- NIC statistics:
+ ethtool -S <ethX>
+
+ Output example::
+
+ NIC statistics:
InPackets: 13238607
InUCast: 13293852
InMCast: 52
@@ -164,85 +187,95 @@ Supported ethtool options
Queue[3] InLroPackets: 0
Queue[3] InErrors: 0
- Interrupt coalescing support
- ---------------------------------
- ITR mode, TX/RX coalescing timings could be viewed with:
+Interrupt coalescing support
+----------------------------
- ethtool -c <ethX>
+ ITR mode, TX/RX coalescing timings could be viewed with::
- and changed with:
+ ethtool -c <ethX>
- ethtool -C <ethX> tx-usecs <usecs> rx-usecs <usecs>
+ and changed with::
- To disable coalescing:
+ ethtool -C <ethX> tx-usecs <usecs> rx-usecs <usecs>
- ethtool -C <ethX> tx-usecs 0 rx-usecs 0 tx-max-frames 1 tx-max-frames 1
+ To disable coalescing::
- Wake on LAN support
- ---------------------------------
+ ethtool -C <ethX> tx-usecs 0 rx-usecs 0 tx-max-frames 1 tx-max-frames 1
- WOL support by magic packet:
+Wake on LAN support
+-------------------
- ethtool -s <ethX> wol g
+ WOL support by magic packet::
- To disable WOL:
+ ethtool -s <ethX> wol g
- ethtool -s <ethX> wol d
+ To disable WOL::
- Set and check the driver message level
- ---------------------------------
+ ethtool -s <ethX> wol d
+
+Set and check the driver message level
+--------------------------------------
Set message level
- ethtool -s <ethX> msglvl <level>
+ ::
+
+ ethtool -s <ethX> msglvl <level>
Level values:
- 0x0001 - general driver status.
- 0x0002 - hardware probing.
- 0x0004 - link state.
- 0x0008 - periodic status check.
- 0x0010 - interface being brought down.
- 0x0020 - interface being brought up.
- 0x0040 - receive error.
- 0x0080 - transmit error.
- 0x0200 - interrupt handling.
- 0x0400 - transmit completion.
- 0x0800 - receive completion.
- 0x1000 - packet contents.
- 0x2000 - hardware status.
- 0x4000 - Wake-on-LAN status.
+ ====== =============================
+ 0x0001 general driver status.
+ 0x0002 hardware probing.
+ 0x0004 link state.
+ 0x0008 periodic status check.
+ 0x0010 interface being brought down.
+ 0x0020 interface being brought up.
+ 0x0040 receive error.
+ 0x0080 transmit error.
+ 0x0200 interrupt handling.
+ 0x0400 transmit completion.
+ 0x0800 receive completion.
+ 0x1000 packet contents.
+ 0x2000 hardware status.
+ 0x4000 Wake-on-LAN status.
+ ====== =============================
By default, the level of debugging messages is set 0x0001(general driver status).
Check message level
- ethtool <ethX> | grep "Current message level"
+ ::
- If you want to disable the output of messages
+ ethtool <ethX> | grep "Current message level"
- ethtool -s <ethX> msglvl 0
+ If you want to disable the output of messages::
+
+ ethtool -s <ethX> msglvl 0
+
+RX flow rules (ntuple filters)
+------------------------------
- RX flow rules (ntuple filters)
- ---------------------------------
There are separate rules supported, that applies in that order:
+
1. 16 VLAN ID rules
2. 16 L2 EtherType rules
3. 8 L3/L4 5-Tuple rules
The driver utilizes the ethtool interface for configuring ntuple filters,
- via "ethtool -N <device> <filter>".
+ via ``ethtool -N <device> <filter>``.
- To enable or disable the RX flow rules:
+ To enable or disable the RX flow rules::
- ethtool -K ethX ntuple <on|off>
+ ethtool -K ethX ntuple <on|off>
When disabling ntuple filters, all the user programed filters are
flushed from the driver cache and hardware. All needed filters must
be re-added when ntuple is re-enabled.
Because of the fixed order of the rules, the location of filters is also fixed:
+
- Locations 0 - 15 for VLAN ID filters
- Locations 16 - 31 for L2 EtherType filters
- Locations 32 - 39 for L3/L4 5-tuple filters (locations 32, 36 for IPv6)
@@ -253,32 +286,34 @@ Supported ethtool options
addresses can be supported. Source and destination ports are only compared for
TCP/UDP/SCTP packets.
- To add a filter that directs packet to queue 5, use <-N|-U|--config-nfc|--config-ntuple> switch:
+ To add a filter that directs packet to queue 5, use
+ ``<-N|-U|--config-nfc|--config-ntuple>`` switch::
- ethtool -N <ethX> flow-type udp4 src-ip 10.0.0.1 dst-ip 10.0.0.2 src-port 2000 dst-port 2001 action 5 <loc 32>
+ ethtool -N <ethX> flow-type udp4 src-ip 10.0.0.1 dst-ip 10.0.0.2 src-port 2000 dst-port 2001 action 5 <loc 32>
- action is the queue number.
- loc is the rule number.
- For "flow-type ip4|udp4|tcp4|sctp4|ip6|udp6|tcp6|sctp6" you must set the loc
+ For ``flow-type ip4|udp4|tcp4|sctp4|ip6|udp6|tcp6|sctp6`` you must set the loc
number within 32 - 39.
- For "flow-type ip4|udp4|tcp4|sctp4|ip6|udp6|tcp6|sctp6" you can set 8 rules
+ For ``flow-type ip4|udp4|tcp4|sctp4|ip6|udp6|tcp6|sctp6`` you can set 8 rules
for traffic IPv4 or you can set 2 rules for traffic IPv6. Loc number traffic
IPv6 is 32 and 36.
At the moment you can not use IPv4 and IPv6 filters at the same time.
- Example filter for IPv6 filter traffic:
+ Example filter for IPv6 filter traffic::
- sudo ethtool -N <ethX> flow-type tcp6 src-ip 2001:db8:0:f101::1 dst-ip 2001:db8:0:f101::2 action 1 loc 32
- sudo ethtool -N <ethX> flow-type ip6 src-ip 2001:db8:0:f101::2 dst-ip 2001:db8:0:f101::5 action -1 loc 36
+ sudo ethtool -N <ethX> flow-type tcp6 src-ip 2001:db8:0:f101::1 dst-ip 2001:db8:0:f101::2 action 1 loc 32
+ sudo ethtool -N <ethX> flow-type ip6 src-ip 2001:db8:0:f101::2 dst-ip 2001:db8:0:f101::5 action -1 loc 36
- Example filter for IPv4 filter traffic:
+ Example filter for IPv4 filter traffic::
- sudo ethtool -N <ethX> flow-type udp4 src-ip 10.0.0.4 dst-ip 10.0.0.7 src-port 2000 dst-port 2001 loc 32
- sudo ethtool -N <ethX> flow-type tcp4 src-ip 10.0.0.3 dst-ip 10.0.0.9 src-port 2000 dst-port 2001 loc 33
- sudo ethtool -N <ethX> flow-type ip4 src-ip 10.0.0.6 dst-ip 10.0.0.4 loc 34
+ sudo ethtool -N <ethX> flow-type udp4 src-ip 10.0.0.4 dst-ip 10.0.0.7 src-port 2000 dst-port 2001 loc 32
+ sudo ethtool -N <ethX> flow-type tcp4 src-ip 10.0.0.3 dst-ip 10.0.0.9 src-port 2000 dst-port 2001 loc 33
+ sudo ethtool -N <ethX> flow-type ip4 src-ip 10.0.0.6 dst-ip 10.0.0.4 loc 34
If you set action -1, then all traffic corresponding to the filter will be discarded.
+
The maximum value action is 31.
@@ -287,8 +322,9 @@ Supported ethtool options
from L2 Ethertype filter with UserPriority since both User Priority and VLAN ID
are passed in the same 'vlan' parameter.
- To add a filter that directs packets from VLAN 2001 to queue 5:
- ethtool -N <ethX> flow-type ip4 vlan 2001 m 0xF000 action 1 loc 0
+ To add a filter that directs packets from VLAN 2001 to queue 5::
+
+ ethtool -N <ethX> flow-type ip4 vlan 2001 m 0xF000 action 1 loc 0
L2 EtherType filters allows filter packet by EtherType field or both EtherType
@@ -297,17 +333,17 @@ Supported ethtool options
distinguish VLAN filter from L2 Ethertype filter with UserPriority since both
User Priority and VLAN ID are passed in the same 'vlan' parameter.
- To add a filter that directs IP4 packess of priority 3 to queue 3:
- ethtool -N <ethX> flow-type ether proto 0x800 vlan 0x600 m 0x1FFF action 3 loc 16
+ To add a filter that directs IP4 packess of priority 3 to queue 3::
+ ethtool -N <ethX> flow-type ether proto 0x800 vlan 0x600 m 0x1FFF action 3 loc 16
- To see the list of filters currently present:
+ To see the list of filters currently present::
- ethtool <-u|-n|--show-nfc|--show-ntuple> <ethX>
+ ethtool <-u|-n|--show-nfc|--show-ntuple> <ethX>
- Rules may be deleted from the table itself. This is done using:
+ Rules may be deleted from the table itself. This is done using::
- sudo ethtool <-N|-U|--config-nfc|--config-ntuple> <ethX> delete <loc>
+ sudo ethtool <-N|-U|--config-nfc|--config-ntuple> <ethX> delete <loc>
- loc is the rule number to be deleted.
@@ -316,34 +352,37 @@ Supported ethtool options
case, any flow that matches the filter criteria will be directed to the
appropriate queue. RX filters is supported on all kernels 2.6.30 and later.
- RSS for UDP
- ---------------------------------
+RSS for UDP
+-----------
+
Currently, NIC does not support RSS for fragmented IP packets, which leads to
incorrect working of RSS for fragmented UDP traffic. To disable RSS for UDP the
RX Flow L3/L4 rule may be used.
- Example:
- ethtool -N eth0 flow-type udp4 action 0 loc 32
+ Example::
+
+ ethtool -N eth0 flow-type udp4 action 0 loc 32
+
+UDP GSO hardware offload
+------------------------
- UDP GSO hardware offload
- ---------------------------------
UDP GSO allows to boost UDP tx rates by offloading UDP headers allocation
into hardware. A special userspace socket option is required for this,
- could be validated with /kernel/tools/testing/selftests/net/
+ could be validated with /kernel/tools/testing/selftests/net/::
udpgso_bench_tx -u -4 -D 10.0.1.1 -s 6300 -S 100
Will cause sending out of 100 byte sized UDP packets formed from single
6300 bytes user buffer.
- UDP GSO is configured by:
+ UDP GSO is configured by::
ethtool -K eth0 tx-udp-segmentation on
- Private flags (testing)
- ---------------------------------
+Private flags (testing)
+-----------------------
- Atlantic driver supports private flags for hardware custom features:
+ Atlantic driver supports private flags for hardware custom features::
$ ethtool --show-priv-flags ethX
@@ -354,7 +393,7 @@ Supported ethtool options
PHYInternalLoopback: off
PHYExternalLoopback: off
- Example:
+ Example::
$ ethtool --set-priv-flags ethX DMASystemLoopback on
@@ -370,93 +409,130 @@ Command Line Parameters
The following command line parameters are available on atlantic driver:
aq_itr -Interrupt throttling mode
-----------------------------------------
+---------------------------------
Accepted values: 0, 1, 0xFFFF
+
Default value: 0xFFFF
-0 - Disable interrupt throttling.
-1 - Enable interrupt throttling and use specified tx and rx rates.
-0xFFFF - Auto throttling mode. Driver will choose the best RX and TX
- interrupt throtting settings based on link speed.
+
+====== ==============================================================
+0 Disable interrupt throttling.
+1 Enable interrupt throttling and use specified tx and rx rates.
+0xFFFF Auto throttling mode. Driver will choose the best RX and TX
+ interrupt throtting settings based on link speed.
+====== ==============================================================
aq_itr_tx - TX interrupt throttle rate
-----------------------------------------
+--------------------------------------
+
Accepted values: 0 - 0x1FF
+
Default value: 0
+
TX side throttling in microseconds. Adapter will setup maximum interrupt delay
to this value. Minimum interrupt delay will be a half of this value
aq_itr_rx - RX interrupt throttle rate
-----------------------------------------
+--------------------------------------
+
Accepted values: 0 - 0x1FF
+
Default value: 0
+
RX side throttling in microseconds. Adapter will setup maximum interrupt delay
to this value. Minimum interrupt delay will be a half of this value
-Note: ITR settings could be changed in runtime by ethtool -c means (see below)
+.. note::
+
+ ITR settings could be changed in runtime by ethtool -c means (see below)
Config file parameters
-=======================
+======================
+
For some fine tuning and performance optimizations,
some parameters can be changed in the {source_dir}/aq_cfg.h file.
AQ_CFG_RX_PAGEORDER
-----------------------------------------
+-------------------
+
Default value: 0
+
RX page order override. Thats a power of 2 number of RX pages allocated for
-each descriptor. Received descriptor size is still limited by AQ_CFG_RX_FRAME_MAX.
+each descriptor. Received descriptor size is still limited by
+AQ_CFG_RX_FRAME_MAX.
+
Increasing pageorder makes page reuse better (actual on iommu enabled systems).
AQ_CFG_RX_REFILL_THRES
-----------------------------------------
+----------------------
+
Default value: 32
+
RX refill threshold. RX path will not refill freed descriptors until the
specified number of free descriptors is observed. Larger values may help
better page reuse but may lead to packet drops as well.
AQ_CFG_VECS_DEF
-------------------------------------------------------------
+---------------
+
Number of queues
+
Valid Range: 0 - 8 (up to AQ_CFG_VECS_MAX)
+
Default value: 8
+
Notice this value will be capped by the number of cores available on the system.
AQ_CFG_IS_RSS_DEF
-------------------------------------------------------------
+-----------------
+
Enable/disable Receive Side Scaling
This feature allows the adapter to distribute receive processing
across multiple CPU-cores and to prevent from overloading a single CPU core.
Valid values
-0 - disabled
-1 - enabled
+
+== ========
+0 disabled
+1 enabled
+== ========
Default value: 1
AQ_CFG_NUM_RSS_QUEUES_DEF
-------------------------------------------------------------
+-------------------------
+
Number of queues for Receive Side Scaling
+
Valid Range: 0 - 8 (up to AQ_CFG_VECS_DEF)
Default value: AQ_CFG_VECS_DEF
AQ_CFG_IS_LRO_DEF
-------------------------------------------------------------
+-----------------
+
Enable/disable Large Receive Offload
This offload enables the adapter to coalesce multiple TCP segments and indicate
them as a single coalesced unit to the OS networking subsystem.
-The system consumes less energy but it also introduces more latency in packets processing.
+
+The system consumes less energy but it also introduces more latency in packets
+processing.
Valid values
-0 - disabled
-1 - enabled
+
+== ========
+0 disabled
+1 enabled
+== ========
Default value: 1
AQ_CFG_TX_CLEAN_BUDGET
-----------------------------------------
+----------------------
+
Maximum descriptors to cleanup on TX at once.
+
Default value: 256
After the aq_cfg.h file changed the driver must be rebuilt to take effect.
@@ -472,7 +548,8 @@ License
=======
aQuantia Corporation Network Driver
-Copyright(c) 2014 - 2019 aQuantia Corporation.
+
+Copyright |copy| 2014 - 2019 aQuantia Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
diff --git a/Documentation/networking/device_drivers/chelsio/cxgb.txt b/Documentation/networking/device_drivers/chelsio/cxgb.rst
index 20a887615c4a..435dce5fa2c7 100644
--- a/Documentation/networking/device_drivers/chelsio/cxgb.txt
+++ b/Documentation/networking/device_drivers/chelsio/cxgb.rst
@@ -1,13 +1,18 @@
- Chelsio N210 10Gb Ethernet Network Controller
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
- Driver Release Notes for Linux
+=============================================
+Chelsio N210 10Gb Ethernet Network Controller
+=============================================
- Version 2.1.1
+Driver Release Notes for Linux
- June 20, 2005
+Version 2.1.1
+
+June 20, 2005
+
+.. Contents
-CONTENTS
-========
INTRODUCTION
FEATURES
PERFORMANCE
@@ -16,7 +21,7 @@ CONTENTS
SUPPORT
-INTRODUCTION
+Introduction
============
This document describes the Linux driver for Chelsio 10Gb Ethernet Network
@@ -24,11 +29,11 @@ INTRODUCTION
compatible with the Chelsio N110 model 10Gb NICs.
-FEATURES
+Features
========
- Adaptive Interrupts (adaptive-rx)
- ---------------------------------
+Adaptive Interrupts (adaptive-rx)
+---------------------------------
This feature provides an adaptive algorithm that adjusts the interrupt
coalescing parameters, allowing the driver to dynamically adapt the latency
@@ -39,24 +44,24 @@ FEATURES
ethtool manpage for additional usage information.
By default, adaptive-rx is disabled.
- To enable adaptive-rx:
+ To enable adaptive-rx::
ethtool -C <interface> adaptive-rx on
- To disable adaptive-rx, use ethtool:
+ To disable adaptive-rx, use ethtool::
ethtool -C <interface> adaptive-rx off
After disabling adaptive-rx, the timer latency value will be set to 50us.
- You may set the timer latency after disabling adaptive-rx:
+ You may set the timer latency after disabling adaptive-rx::
ethtool -C <interface> rx-usecs <microseconds>
- An example to set the timer latency value to 100us on eth0:
+ An example to set the timer latency value to 100us on eth0::
ethtool -C eth0 rx-usecs 100
- You may also provide a timer latency value while disabling adaptive-rx:
+ You may also provide a timer latency value while disabling adaptive-rx::
ethtool -C <interface> adaptive-rx off rx-usecs <microseconds>
@@ -64,13 +69,13 @@ FEATURES
will be set to the specified value until changed by the user or until
adaptive-rx is enabled.
- To view the status of the adaptive-rx and timer latency values:
+ To view the status of the adaptive-rx and timer latency values::
ethtool -c <interface>
- TCP Segmentation Offloading (TSO) Support
- -----------------------------------------
+TCP Segmentation Offloading (TSO) Support
+-----------------------------------------
This feature, also known as "large send", enables a system's protocol stack
to offload portions of outbound TCP processing to a network interface card
@@ -80,20 +85,20 @@ FEATURES
Please see the ethtool manpage for additional usage information.
By default, TSO is enabled.
- To disable TSO:
+ To disable TSO::
ethtool -K <interface> tso off
- To enable TSO:
+ To enable TSO::
ethtool -K <interface> tso on
- To view the status of TSO:
+ To view the status of TSO::
ethtool -k <interface>
-PERFORMANCE
+Performance
===========
The following information is provided as an example of how to change system
@@ -111,59 +116,81 @@ PERFORMANCE
your system. You may want to write a script that runs at boot-up which
includes the optimal settings for your system.
- Setting PCI Latency Timer:
- setpci -d 1425:* 0x0c.l=0x0000F800
+ Setting PCI Latency Timer::
+
+ setpci -d 1425::
+
+* 0x0c.l=0x0000F800
+
+ Disabling TCP timestamp::
- Disabling TCP timestamp:
sysctl -w net.ipv4.tcp_timestamps=0
- Disabling SACK:
+ Disabling SACK::
+
sysctl -w net.ipv4.tcp_sack=0
- Setting large number of incoming connection requests:
+ Setting large number of incoming connection requests::
+
sysctl -w net.ipv4.tcp_max_syn_backlog=3000
- Setting maximum receive socket buffer size:
+ Setting maximum receive socket buffer size::
+
sysctl -w net.core.rmem_max=1024000
- Setting maximum send socket buffer size:
+ Setting maximum send socket buffer size::
+
sysctl -w net.core.wmem_max=1024000
- Set smp_affinity (on a multiprocessor system) to a single CPU:
+ Set smp_affinity (on a multiprocessor system) to a single CPU::
+
echo 1 > /proc/irq/<interrupt_number>/smp_affinity
- Setting default receive socket buffer size:
+ Setting default receive socket buffer size::
+
sysctl -w net.core.rmem_default=524287
- Setting default send socket buffer size:
+ Setting default send socket buffer size::
+
sysctl -w net.core.wmem_default=524287
- Setting maximum option memory buffers:
+ Setting maximum option memory buffers::
+
sysctl -w net.core.optmem_max=524287
- Setting maximum backlog (# of unprocessed packets before kernel drops):
+ Setting maximum backlog (# of unprocessed packets before kernel drops)::
+
sysctl -w net.core.netdev_max_backlog=300000
- Setting TCP read buffers (min/default/max):
+ Setting TCP read buffers (min/default/max)::
+
sysctl -w net.ipv4.tcp_rmem="10000000 10000000 10000000"
- Setting TCP write buffers (min/pressure/max):
+ Setting TCP write buffers (min/pressure/max)::
+
sysctl -w net.ipv4.tcp_wmem="10000000 10000000 10000000"
- Setting TCP buffer space (min/pressure/max):
+ Setting TCP buffer space (min/pressure/max)::
+
sysctl -w net.ipv4.tcp_mem="10000000 10000000 10000000"
TCP window size for single connections:
+
The receive buffer (RX_WINDOW) size must be at least as large as the
Bandwidth-Delay Product of the communication link between the sender and
receiver. Due to the variations of RTT, you may want to increase the buffer
size up to 2 times the Bandwidth-Delay Product. Reference page 289 of
"TCP/IP Illustrated, Volume 1, The Protocols" by W. Richard Stevens.
- At 10Gb speeds, use the following formula:
+
+ At 10Gb speeds, use the following formula::
+
RX_WINDOW >= 1.25MBytes * RTT(in milliseconds)
Example for RTT with 100us: RX_WINDOW = (1,250,000 * 0.1) = 125,000
+
RX_WINDOW sizes of 256KB - 512KB should be sufficient.
- Setting the min, max, and default receive buffer (RX_WINDOW) size:
+
+ Setting the min, max, and default receive buffer (RX_WINDOW) size::
+
sysctl -w net.ipv4.tcp_rmem="<min> <default> <max>"
TCP window size for multiple connections:
@@ -174,30 +201,35 @@ PERFORMANCE
not supported on the machine. Experimentation may be necessary to attain
the correct value. This method is provided as a starting point for the
correct receive buffer size.
+
Setting the min, max, and default receive buffer (RX_WINDOW) size is
performed in the same manner as single connection.
-DRIVER MESSAGES
+Driver Messages
===============
The following messages are the most common messages logged by syslog. These
may be found in /var/log/messages.
- Driver up:
+ Driver up::
+
Chelsio Network Driver - version 2.1.1
- NIC detected:
+ NIC detected::
+
eth#: Chelsio N210 1x10GBaseX NIC (rev #), PCIX 133MHz/64-bit
- Link up:
+ Link up::
+
eth#: link is up at 10 Gbps, full duplex
- Link down:
+ Link down::
+
eth#: link is down
-KNOWN ISSUES
+Known Issues
============
These issues have been identified during testing. The following information
@@ -214,27 +246,33 @@ KNOWN ISSUES
To eliminate the TCP retransmits, set smp_affinity on the particular
interrupt to a single CPU. You can locate the interrupt (IRQ) used on
- the N110/N210 by using ifconfig:
- ifconfig <dev_name> | grep Interrupt
- Set the smp_affinity to a single CPU:
- echo 1 > /proc/irq/<interrupt_number>/smp_affinity
+ the N110/N210 by using ifconfig::
+
+ ifconfig <dev_name> | grep Interrupt
+
+ Set the smp_affinity to a single CPU::
+
+ echo 1 > /proc/irq/<interrupt_number>/smp_affinity
It is highly suggested that you do not run the irqbalance daemon on your
system, as this will change any smp_affinity setting you have applied.
The irqbalance daemon runs on a 10 second interval and binds interrupts
- to the least loaded CPU determined by the daemon. To disable this daemon:
- chkconfig --level 2345 irqbalance off
+ to the least loaded CPU determined by the daemon. To disable this daemon::
+
+ chkconfig --level 2345 irqbalance off
By default, some Linux distributions enable the kernel feature,
irqbalance, which performs the same function as the daemon. To disable
- this feature, add the following line to your bootloader:
- noirqbalance
+ this feature, add the following line to your bootloader::
+
+ noirqbalance
+
+ Example using the Grub bootloader::
- Example using the Grub bootloader:
- title Red Hat Enterprise Linux AS (2.4.21-27.ELsmp)
- root (hd0,0)
- kernel /vmlinuz-2.4.21-27.ELsmp ro root=/dev/hda3 noirqbalance
- initrd /initrd-2.4.21-27.ELsmp.img
+ title Red Hat Enterprise Linux AS (2.4.21-27.ELsmp)
+ root (hd0,0)
+ kernel /vmlinuz-2.4.21-27.ELsmp ro root=/dev/hda3 noirqbalance
+ initrd /initrd-2.4.21-27.ELsmp.img
2. After running insmod, the driver is loaded and the incorrect network
interface is brought up without running ifup.
@@ -277,12 +315,13 @@ KNOWN ISSUES
AMD's provides three workarounds for this problem, however, Chelsio
recommends the first option for best performance with this bug:
- For 133Mhz secondary bus operation, limit the transaction length and
- the number of outstanding transactions, via BIOS configuration
- programming of the PCI-X card, to the following:
+ For 133Mhz secondary bus operation, limit the transaction length and
+ the number of outstanding transactions, via BIOS configuration
+ programming of the PCI-X card, to the following:
- Data Length (bytes): 1k
- Total allowed outstanding transactions: 2
+ Data Length (bytes): 1k
+
+ Total allowed outstanding transactions: 2
Please refer to AMD 8131-HT/PCI-X Errata 26310 Rev 3.08 August 2004,
section 56, "133-MHz Mode Split Completion Data Corruption" for more
@@ -293,8 +332,10 @@ KNOWN ISSUES
have issues with these settings, please revert to the "safe" settings
and duplicate the problem before submitting a bug or asking for support.
- NOTE: The default setting on most systems is 8 outstanding transactions
- and 2k bytes data length.
+ .. note::
+
+ The default setting on most systems is 8 outstanding transactions
+ and 2k bytes data length.
4. On multiprocessor systems, it has been noted that an application which
is handling 10Gb networking can switch between CPUs causing degraded
@@ -320,14 +361,16 @@ KNOWN ISSUES
particular CPU: runon 0 ifup eth0
-SUPPORT
+Support
=======
If you have problems with the software or hardware, please contact our
customer support team via email at support@chelsio.com or check our website
at http://www.chelsio.com
-===============================================================================
+-------------------------------------------------------------------------------
+
+::
Chelsio Communications
370 San Aleso Ave.
@@ -343,10 +386,8 @@ You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+THIS SOFTWARE IS PROVIDED ``AS IS`` AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- Copyright (c) 2003-2005 Chelsio Communications. All rights reserved.
-
-===============================================================================
+Copyright |copy| 2003-2005 Chelsio Communications. All rights reserved.
diff --git a/Documentation/networking/device_drivers/cirrus/cs89x0.txt b/Documentation/networking/device_drivers/cirrus/cs89x0.rst
index 0e190180eec8..e5c283940ac5 100644
--- a/Documentation/networking/device_drivers/cirrus/cs89x0.txt
+++ b/Documentation/networking/device_drivers/cirrus/cs89x0.rst
@@ -1,79 +1,84 @@
+.. SPDX-License-Identifier: GPL-2.0
-NOTE
-----
+================================================
+Cirrus Logic LAN CS8900/CS8920 Ethernet Adapters
+================================================
-This document was contributed by Cirrus Logic for kernel 2.2.5. This version
-has been updated for 2.3.48 by Andrew Morton.
+.. note::
+
+ This document was contributed by Cirrus Logic for kernel 2.2.5. This version
+ has been updated for 2.3.48 by Andrew Morton.
+
+ Still, this is too outdated! A major cleanup is needed here.
Cirrus make a copy of this driver available at their website, as
described below. In general, you should use the driver version which
comes with your Linux distribution.
-
-CIRRUS LOGIC LAN CS8900/CS8920 ETHERNET ADAPTERS
Linux Network Interface Driver ver. 2.00 <kernel 2.3.48>
-===============================================================================
-
-
-TABLE OF CONTENTS
-
-1.0 CIRRUS LOGIC LAN CS8900/CS8920 ETHERNET ADAPTERS
- 1.1 Product Overview
- 1.2 Driver Description
- 1.2.1 Driver Name
- 1.2.2 File in the Driver Package
- 1.3 System Requirements
- 1.4 Licensing Information
-
-2.0 ADAPTER INSTALLATION and CONFIGURATION
- 2.1 CS8900-based Adapter Configuration
- 2.2 CS8920-based Adapter Configuration
-
-3.0 LOADING THE DRIVER AS A MODULE
-
-4.0 COMPILING THE DRIVER
- 4.1 Compiling the Driver as a Loadable Module
- 4.2 Compiling the driver to support memory mode
- 4.3 Compiling the driver to support Rx DMA
-
-5.0 TESTING AND TROUBLESHOOTING
- 5.1 Known Defects and Limitations
- 5.2 Testing the Adapter
- 5.2.1 Diagnostic Self-Test
- 5.2.2 Diagnostic Network Test
- 5.3 Using the Adapter's LEDs
- 5.4 Resolving I/O Conflicts
-
-6.0 TECHNICAL SUPPORT
- 6.1 Contacting Cirrus Logic's Technical Support
- 6.2 Information Required Before Contacting Technical Support
- 6.3 Obtaining the Latest Driver Version
- 6.4 Current maintainer
- 6.5 Kernel boot parameters
-
-
-1.0 CIRRUS LOGIC LAN CS8900/CS8920 ETHERNET ADAPTERS
-===============================================================================
-
-
-1.1 PRODUCT OVERVIEW
-
-The CS8900-based ISA Ethernet Adapters from Cirrus Logic follow
-IEEE 802.3 standards and support half or full-duplex operation in ISA bus
-computers on 10 Mbps Ethernet networks. The adapters are designed for operation
-in 16-bit ISA or EISA bus expansion slots and are available in
-10BaseT-only or 3-media configurations (10BaseT, 10Base2, and AUI for 10Base-5
-or fiber networks).
-
-CS8920-based adapters are similar to the CS8900-based adapter with additional
-features for Plug and Play (PnP) support and Wakeup Frame recognition. As
-such, the configuration procedures differ somewhat between the two types of
-adapters. Refer to the "Adapter Configuration" section for details on
+
+
+.. TABLE OF CONTENTS
+
+ 1.0 CIRRUS LOGIC LAN CS8900/CS8920 ETHERNET ADAPTERS
+ 1.1 Product Overview
+ 1.2 Driver Description
+ 1.2.1 Driver Name
+ 1.2.2 File in the Driver Package
+ 1.3 System Requirements
+ 1.4 Licensing Information
+
+ 2.0 ADAPTER INSTALLATION and CONFIGURATION
+ 2.1 CS8900-based Adapter Configuration
+ 2.2 CS8920-based Adapter Configuration
+
+ 3.0 LOADING THE DRIVER AS A MODULE
+
+ 4.0 COMPILING THE DRIVER
+ 4.1 Compiling the Driver as a Loadable Module
+ 4.2 Compiling the driver to support memory mode
+ 4.3 Compiling the driver to support Rx DMA
+
+ 5.0 TESTING AND TROUBLESHOOTING
+ 5.1 Known Defects and Limitations
+ 5.2 Testing the Adapter
+ 5.2.1 Diagnostic Self-Test
+ 5.2.2 Diagnostic Network Test
+ 5.3 Using the Adapter's LEDs
+ 5.4 Resolving I/O Conflicts
+
+ 6.0 TECHNICAL SUPPORT
+ 6.1 Contacting Cirrus Logic's Technical Support
+ 6.2 Information Required Before Contacting Technical Support
+ 6.3 Obtaining the Latest Driver Version
+ 6.4 Current maintainer
+ 6.5 Kernel boot parameters
+
+
+1. Cirrus Logic LAN CS8900/CS8920 Ethernet Adapters
+===================================================
+
+
+1.1. Product Overview
+=====================
+
+The CS8900-based ISA Ethernet Adapters from Cirrus Logic follow
+IEEE 802.3 standards and support half or full-duplex operation in ISA bus
+computers on 10 Mbps Ethernet networks. The adapters are designed for operation
+in 16-bit ISA or EISA bus expansion slots and are available in
+10BaseT-only or 3-media configurations (10BaseT, 10Base2, and AUI for 10Base-5
+or fiber networks).
+
+CS8920-based adapters are similar to the CS8900-based adapter with additional
+features for Plug and Play (PnP) support and Wakeup Frame recognition. As
+such, the configuration procedures differ somewhat between the two types of
+adapters. Refer to the "Adapter Configuration" section for details on
configuring both types of adapters.
-1.2 DRIVER DESCRIPTION
+1.2. Driver Description
+=======================
The CS8900/CS8920 Ethernet Adapter driver for Linux supports the Linux
v2.3.48 or greater kernel. It can be compiled directly into the kernel
@@ -85,22 +90,25 @@ or loaded at run-time as a device driver module.
The files in the driver at Cirrus' website include:
- readme.txt - this file
- build - batch file to compile cs89x0.c.
- cs89x0.c - driver C code
- cs89x0.h - driver header file
- cs89x0.o - pre-compiled module (for v2.2.5 kernel)
- config/Config.in - sample file to include cs89x0 driver in the kernel.
- config/Makefile - sample file to include cs89x0 driver in the kernel.
- config/Space.c - sample file to include cs89x0 driver in the kernel.
+ =================== ====================================================
+ readme.txt this file
+ build batch file to compile cs89x0.c.
+ cs89x0.c driver C code
+ cs89x0.h driver header file
+ cs89x0.o pre-compiled module (for v2.2.5 kernel)
+ config/Config.in sample file to include cs89x0 driver in the kernel.
+ config/Makefile sample file to include cs89x0 driver in the kernel.
+ config/Space.c sample file to include cs89x0 driver in the kernel.
+ =================== ====================================================
-1.3 SYSTEM REQUIREMENTS
+1.3. System Requirements
+------------------------
The following hardware is required:
- * Cirrus Logic LAN (CS8900/20-based) Ethernet ISA Adapter
+ * Cirrus Logic LAN (CS8900/20-based) Ethernet ISA Adapter
* IBM or IBM-compatible PC with:
* An 80386 or higher processor
@@ -118,20 +126,21 @@ The following software is required:
* LINUX kernel sources for your kernel (if compiling into kernel)
- * GNU Toolkit (gcc and make) v2.6 or above (if compiling into kernel
- or a module)
+ * GNU Toolkit (gcc and make) v2.6 or above (if compiling into kernel
+ or a module)
-1.4 LICENSING INFORMATION
+1.4. Licensing Information
+--------------------------
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation, version 1.
This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
For a full copy of the GNU General Public License, write to the Free Software
@@ -139,28 +148,29 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-2.0 ADAPTER INSTALLATION and CONFIGURATION
-===============================================================================
+2. Adapter Installation and Configuration
+=========================================
-Both the CS8900 and CS8920-based adapters can be configured using parameters
-stored in an on-board EEPROM. You must use the DOS-based CS8900/20 Setup
-Utility if you want to change the adapter's configuration in EEPROM.
+Both the CS8900 and CS8920-based adapters can be configured using parameters
+stored in an on-board EEPROM. You must use the DOS-based CS8900/20 Setup
+Utility if you want to change the adapter's configuration in EEPROM.
-When loading the driver as a module, you can specify many of the adapter's
-configuration parameters on the command-line to override the EEPROM's settings
-or for interface configuration when an EEPROM is not used. (CS8920-based
+When loading the driver as a module, you can specify many of the adapter's
+configuration parameters on the command-line to override the EEPROM's settings
+or for interface configuration when an EEPROM is not used. (CS8920-based
adapters must use an EEPROM.) See Section 3.0 LOADING THE DRIVER AS A MODULE.
-Since the CS8900/20 Setup Utility is a DOS-based application, you must install
-and configure the adapter in a DOS-based system using the CS8900/20 Setup
-Utility before installation in the target LINUX system. (Not required if
+Since the CS8900/20 Setup Utility is a DOS-based application, you must install
+and configure the adapter in a DOS-based system using the CS8900/20 Setup
+Utility before installation in the target LINUX system. (Not required if
installing a CS8900-based adapter and the default configuration is acceptable.)
-
-2.1 CS8900-BASED ADAPTER CONFIGURATION
-CS8900-based adapters shipped from Cirrus Logic have been configured
-with the following "default" settings:
+2.1. CS8900-based Adapter Configuration
+---------------------------------------
+
+CS8900-based adapters shipped from Cirrus Logic have been configured
+with the following "default" settings::
Operation Mode: Memory Mode
IRQ: 10
@@ -169,15 +179,16 @@ with the following "default" settings:
Optimization: DOS Client
Transmission Mode: Half-duplex
BootProm: None
- Media Type: Autodetect (3-media cards) or
- 10BASE-T (10BASE-T only adapter)
+ Media Type: Autodetect (3-media cards) or
+ 10BASE-T (10BASE-T only adapter)
-You should only change the default configuration settings if conflicts with
-another adapter exists. To change the adapter's configuration, run the
-CS8900/20 Setup Utility.
+You should only change the default configuration settings if conflicts with
+another adapter exists. To change the adapter's configuration, run the
+CS8900/20 Setup Utility.
-2.2 CS8920-BASED ADAPTER CONFIGURATION
+2.2. CS8920-based Adapter Configuration
+---------------------------------------
CS8920-based adapters are shipped from Cirrus Logic configured as Plug
and Play (PnP) enabled. However, since the cs89x0 driver does NOT
@@ -185,82 +196,83 @@ support PnP, you must install the CS8920 adapter in a DOS-based PC and
run the CS8900/20 Setup Utility to disable PnP and configure the
adapter before installation in the target Linux system. Failure to do
this will leave the adapter inactive and the driver will be unable to
-communicate with the adapter.
+communicate with the adapter.
+::
- ****************************************************************
- * CS8920-BASED ADAPTERS: *
- * *
- * CS8920-BASED ADAPTERS ARE PLUG and PLAY ENABLED BY DEFAULT. *
- * THE CS89X0 DRIVER DOES NOT SUPPORT PnP. THEREFORE, YOU MUST *
- * RUN THE CS8900/20 SETUP UTILITY TO DISABLE PnP SUPPORT AND *
- * TO ACTIVATE THE ADAPTER. *
- ****************************************************************
+ ****************************************************************
+ * CS8920-BASED ADAPTERS: *
+ * *
+ * CS8920-BASED ADAPTERS ARE PLUG and PLAY ENABLED BY DEFAULT. *
+ * THE CS89X0 DRIVER DOES NOT SUPPORT PnP. THEREFORE, YOU MUST *
+ * RUN THE CS8900/20 SETUP UTILITY TO DISABLE PnP SUPPORT AND *
+ * TO ACTIVATE THE ADAPTER. *
+ ****************************************************************
-3.0 LOADING THE DRIVER AS A MODULE
-===============================================================================
+3. Loading the Driver as a Module
+=================================
If the driver is compiled as a loadable module, you can load the driver module
-with the 'modprobe' command. Many of the adapter's configuration parameters can
-be specified as command-line arguments to the load command. This facility
-provides a means to override the EEPROM's settings or for interface
+with the 'modprobe' command. Many of the adapter's configuration parameters can
+be specified as command-line arguments to the load command. This facility
+provides a means to override the EEPROM's settings or for interface
configuration when an EEPROM is not used.
-Example:
+Example::
insmod cs89x0.o io=0x200 irq=0xA media=aui
This example loads the module and configures the adapter to use an IO port base
address of 200h, interrupt 10, and use the AUI media connection. The following
-configuration options are available on the command line:
-
-* io=### - specify IO address (200h-360h)
-* irq=## - specify interrupt level
-* use_dma=1 - Enable DMA
-* dma=# - specify dma channel (Driver is compiled to support
- Rx DMA only)
-* dmasize=# (16 or 64) - DMA size 16K or 64K. Default value is set to 16.
-* media=rj45 - specify media type
+configuration options are available on the command line::
+
+ io=### - specify IO address (200h-360h)
+ irq=## - specify interrupt level
+ use_dma=1 - Enable DMA
+ dma=# - specify dma channel (Driver is compiled to support
+ Rx DMA only)
+ dmasize=# (16 or 64) - DMA size 16K or 64K. Default value is set to 16.
+ media=rj45 - specify media type
or media=bnc
or media=aui
or media=auto
-* duplex=full - specify forced half/full/autonegotiate duplex
+ duplex=full - specify forced half/full/autonegotiate duplex
or duplex=half
or duplex=auto
-* debug=# - debug level (only available if the driver was compiled
- for debugging)
+ debug=# - debug level (only available if the driver was compiled
+ for debugging)
-NOTES:
+**Notes:**
a) If an EEPROM is present, any specified command-line parameter
will override the corresponding configuration value stored in
EEPROM.
-b) The "io" parameter must be specified on the command-line.
+b) The "io" parameter must be specified on the command-line.
c) The driver's hardware probe routine is designed to avoid
writing to I/O space until it knows that there is a cs89x0
card at the written addresses. This could cause problems
with device probing. To avoid this behaviour, add one
- to the `io=' module parameter. This doesn't actually change
+ to the ``io=`` module parameter. This doesn't actually change
the I/O address, but it is a flag to tell the driver
to partially initialise the hardware before trying to
identify the card. This could be dangerous if you are
not sure that there is a cs89x0 card at the provided address.
For example, to scan for an adapter located at IO base 0x300,
- specify an IO address of 0x301.
+ specify an IO address of 0x301.
d) The "duplex=auto" parameter is only supported for the CS8920.
e) The minimum command-line configuration required if an EEPROM is
not present is:
- io
- irq
+ io
+ irq
media type (no autodetect)
f) The following additional parameters are CS89XX defaults (values
@@ -282,13 +294,13 @@ h) Many Linux distributions use the 'modprobe' command to load
module when it is loaded. All the configuration options which are
described above may be placed within /etc/conf.modules.
- For example:
+ For example::
- > cat /etc/conf.modules
- ...
- alias eth0 cs89x0
- options cs89x0 io=0x0200 dma=5 use_dma=1
- ...
+ > cat /etc/conf.modules
+ ...
+ alias eth0 cs89x0
+ options cs89x0 io=0x0200 dma=5 use_dma=1
+ ...
In this example we are telling the module system that the
ethernet driver for this machine should use the cs89x0 driver. We
@@ -305,9 +317,9 @@ j) The cs89x0 supports DMA for receiving only. DMA mode is
k) If your Linux kernel was compiled with inbuilt plug-and-play
support you will be able to find information about the cs89x0 card
- with the command
+ with the command::
- cat /proc/isapnp
+ cat /proc/isapnp
l) If during DMA operation you find erratic behavior or network data
corruption you should use your PC's BIOS to slow the EISA bus clock.
@@ -321,11 +333,11 @@ n) If the cs89x0 driver is compiled directly into the kernel, DMA
mode may be selected by providing the kernel with a boot option
'cs89x0_dma=N' where 'N' is the desired DMA channel number (5, 6 or 7).
- Kernel boot options may be provided on the LILO command line:
+ Kernel boot options may be provided on the LILO command line::
LILO boot: linux cs89x0_dma=5
- or they may be placed in /etc/lilo.conf:
+ or they may be placed in /etc/lilo.conf::
image=/boot/bzImage-2.3.48
append="cs89x0_dma=5"
@@ -337,237 +349,246 @@ n) If the cs89x0 driver is compiled directly into the kernel, DMA
(64k mode is not available).
-4.0 COMPILING THE DRIVER
-===============================================================================
+4. Compiling the Driver
+=======================
The cs89x0 driver can be compiled directly into the kernel or compiled into
a loadable device driver module.
+Just use the standard way to configure the driver and compile the Kernel.
-4.1 COMPILING THE DRIVER AS A LOADABLE MODULE
-
-To compile the driver into a loadable module, use the following command
-(single command line, without quotes):
-
-"gcc -D__KERNEL__ -I/usr/src/linux/include -I/usr/src/linux/net/inet -Wall
--Wstrict-prototypes -O2 -fomit-frame-pointer -DMODULE -DCONFIG_MODVERSIONS
--c cs89x0.c"
-
-4.2 COMPILING THE DRIVER TO SUPPORT MEMORY MODE
-
-Support for memory mode was not carried over into the 2.3 series kernels.
-4.3 COMPILING THE DRIVER TO SUPPORT Rx DMA
+4.1. Compiling the Driver to Support Rx DMA
+-------------------------------------------
The compile-time optionality for DMA was removed in the 2.3 kernel
series. DMA support is now unconditionally part of the driver. It is
enabled by the 'use_dma=1' module option.
-5.0 TESTING AND TROUBLESHOOTING
-===============================================================================
+5. Testing and Troubleshooting
+==============================
-5.1 KNOWN DEFECTS and LIMITATIONS
+5.1. Known Defects and Limitations
+----------------------------------
-Refer to the RELEASE.TXT file distributed as part of this archive for a list of
+Refer to the RELEASE.TXT file distributed as part of this archive for a list of
known defects, driver limitations, and work arounds.
-5.2 TESTING THE ADAPTER
+5.2. Testing the Adapter
+------------------------
-Once the adapter has been installed and configured, the diagnostic option of
-the CS8900/20 Setup Utility can be used to test the functionality of the
+Once the adapter has been installed and configured, the diagnostic option of
+the CS8900/20 Setup Utility can be used to test the functionality of the
adapter and its network connection. Use the diagnostics 'Self Test' option to
test the functionality of the adapter with the hardware configuration you have
assigned. You can use the diagnostics 'Network Test' to test the ability of the
-adapter to communicate across the Ethernet with another PC equipped with a
-CS8900/20-based adapter card (it must also be running the CS8900/20 Setup
+adapter to communicate across the Ethernet with another PC equipped with a
+CS8900/20-based adapter card (it must also be running the CS8900/20 Setup
Utility).
- NOTE: The Setup Utility's diagnostics are designed to run in a
- DOS-only operating system environment. DO NOT run the diagnostics
- from a DOS or command prompt session under Windows 95, Windows NT,
- OS/2, or other operating system.
+.. note::
+
+ The Setup Utility's diagnostics are designed to run in a
+ DOS-only operating system environment. DO NOT run the diagnostics
+ from a DOS or command prompt session under Windows 95, Windows NT,
+ OS/2, or other operating system.
To run the diagnostics tests on the CS8900/20 adapter:
- 1.) Boot DOS on the PC and start the CS8900/20 Setup Utility.
+ 1. Boot DOS on the PC and start the CS8900/20 Setup Utility.
- 2.) The adapter's current configuration is displayed. Hit the ENTER key to
+ 2. The adapter's current configuration is displayed. Hit the ENTER key to
get to the main menu.
- 4.) Select 'Diagnostics' (ALT-G) from the main menu.
+ 4. Select 'Diagnostics' (ALT-G) from the main menu.
* Select 'Self-Test' to test the adapter's basic functionality.
* Select 'Network Test' to test the network connection and cabling.
-5.2.1 DIAGNOSTIC SELF-TEST
+5.2.1. Diagnostic Self-test
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The diagnostic self-test checks the adapter's basic functionality as well as
-its ability to communicate across the ISA bus based on the system resources
+The diagnostic self-test checks the adapter's basic functionality as well as
+its ability to communicate across the ISA bus based on the system resources
assigned during hardware configuration. The following tests are performed:
* IO Register Read/Write Test
- The IO Register Read/Write test insures that the CS8900/20 can be
+
+ The IO Register Read/Write test insures that the CS8900/20 can be
accessed in IO mode, and that the IO base address is correct.
* Shared Memory Test
- The Shared Memory test insures the CS8900/20 can be accessed in memory
- mode and that the range of memory addresses assigned does not conflict
+
+ The Shared Memory test insures the CS8900/20 can be accessed in memory
+ mode and that the range of memory addresses assigned does not conflict
with other devices in the system.
* Interrupt Test
+
The Interrupt test insures there are no conflicts with the assigned IRQ
signal.
* EEPROM Test
+
The EEPROM test insures the EEPROM can be read.
* Chip RAM Test
+
The Chip RAM test insures the 4K of memory internal to the CS8900/20 is
working properly.
* Internal Loop-back Test
- The Internal Loop Back test insures the adapter's transmitter and
- receiver are operating properly. If this test fails, make sure the
- adapter's cable is connected to the network (check for LED activity for
+
+ The Internal Loop Back test insures the adapter's transmitter and
+ receiver are operating properly. If this test fails, make sure the
+ adapter's cable is connected to the network (check for LED activity for
example).
* Boot PROM Test
+
The Boot PROM test insures the Boot PROM is present, and can be read.
Failure indicates the Boot PROM was not successfully read due to a
hardware problem or due to a conflicts on the Boot PROM address
assignment. (Test only applies if the adapter is configured to use the
Boot PROM option.)
-Failure of a test item indicates a possible system resource conflict with
-another device on the ISA bus. In this case, you should use the Manual Setup
+Failure of a test item indicates a possible system resource conflict with
+another device on the ISA bus. In this case, you should use the Manual Setup
option to reconfigure the adapter by selecting a different value for the system
resource that failed.
-5.2.2 DIAGNOSTIC NETWORK TEST
+5.2.2. Diagnostic Network Test
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-The Diagnostic Network Test verifies a working network connection by
-transferring data between two CS8900/20 adapters installed in different PCs
-on the same network. (Note: the diagnostic network test should not be run
-between two nodes across a router.)
+The Diagnostic Network Test verifies a working network connection by
+transferring data between two CS8900/20 adapters installed in different PCs
+on the same network. (Note: the diagnostic network test should not be run
+between two nodes across a router.)
This test requires that each of the two PCs have a CS8900/20-based adapter
-installed and have the CS8900/20 Setup Utility running. The first PC is
-configured as a Responder and the other PC is configured as an Initiator.
-Once the Initiator is started, it sends data frames to the Responder which
+installed and have the CS8900/20 Setup Utility running. The first PC is
+configured as a Responder and the other PC is configured as an Initiator.
+Once the Initiator is started, it sends data frames to the Responder which
returns the frames to the Initiator.
-The total number of frames received and transmitted are displayed on the
-Initiator's display, along with a count of the number of frames received and
-transmitted OK or in error. The test can be terminated anytime by the user at
+The total number of frames received and transmitted are displayed on the
+Initiator's display, along with a count of the number of frames received and
+transmitted OK or in error. The test can be terminated anytime by the user at
either PC.
To setup the Diagnostic Network Test:
- 1.) Select a PC with a CS8900/20-based adapter and a known working network
- connection to act as the Responder. Run the CS8900/20 Setup Utility
- and select 'Diagnostics -> Network Test -> Responder' from the main
- menu. Hit ENTER to start the Responder.
+ 1. Select a PC with a CS8900/20-based adapter and a known working network
+ connection to act as the Responder. Run the CS8900/20 Setup Utility
+ and select 'Diagnostics -> Network Test -> Responder' from the main
+ menu. Hit ENTER to start the Responder.
- 2.) Return to the PC with the CS8900/20-based adapter you want to test and
- start the CS8900/20 Setup Utility.
+ 2. Return to the PC with the CS8900/20-based adapter you want to test and
+ start the CS8900/20 Setup Utility.
+
+ 3. From the main menu, Select 'Diagnostic -> Network Test -> Initiator'.
+ Hit ENTER to start the test.
- 3.) From the main menu, Select 'Diagnostic -> Network Test -> Initiator'.
- Hit ENTER to start the test.
-
You may stop the test on the Initiator at any time while allowing the Responder
-to continue running. In this manner, you can move to additional PCs and test
-them by starting the Initiator on another PC without having to stop/start the
+to continue running. In this manner, you can move to additional PCs and test
+them by starting the Initiator on another PC without having to stop/start the
Responder.
-
-5.3 USING THE ADAPTER'S LEDs
-The 2 and 3-media adapters have two LEDs visible on the back end of the board
-located near the 10Base-T connector.
+5.3. Using the Adapter's LEDs
+-----------------------------
+
+The 2 and 3-media adapters have two LEDs visible on the back end of the board
+located near the 10Base-T connector.
-Link Integrity LED: A "steady" ON of the green LED indicates a valid 10Base-T
+Link Integrity LED: A "steady" ON of the green LED indicates a valid 10Base-T
connection. (Only applies to 10Base-T. The green LED has no significance for
a 10Base-2 or AUI connection.)
-TX/RX LED: The yellow LED lights briefly each time the adapter transmits or
+TX/RX LED: The yellow LED lights briefly each time the adapter transmits or
receives data. (The yellow LED will appear to "flicker" on a typical network.)
-5.4 RESOLVING I/O CONFLICTS
+5.4. Resolving I/O Conflicts
+----------------------------
-An IO conflict occurs when two or more adapter use the same ISA resource (IO
-address, memory address or IRQ). You can usually detect an IO conflict in one
+An IO conflict occurs when two or more adapter use the same ISA resource (IO
+address, memory address or IRQ). You can usually detect an IO conflict in one
of four ways after installing and or configuring the CS8900/20-based adapter:
- 1.) The system does not boot properly (or at all).
+ 1. The system does not boot properly (or at all).
- 2.) The driver cannot communicate with the adapter, reporting an "Adapter
- not found" error message.
+ 2. The driver cannot communicate with the adapter, reporting an "Adapter
+ not found" error message.
- 3.) You cannot connect to the network or the driver will not load.
+ 3. You cannot connect to the network or the driver will not load.
- 4.) If you have configured the adapter to run in memory mode but the driver
- reports it is using IO mode when loading, this is an indication of a
- memory address conflict.
+ 4. If you have configured the adapter to run in memory mode but the driver
+ reports it is using IO mode when loading, this is an indication of a
+ memory address conflict.
-If an IO conflict occurs, run the CS8900/20 Setup Utility and perform a
-diagnostic self-test. Normally, the ISA resource in conflict will fail the
-self-test. If so, reconfigure the adapter selecting another choice for the
-resource in conflict. Run the diagnostics again to check for further IO
+If an IO conflict occurs, run the CS8900/20 Setup Utility and perform a
+diagnostic self-test. Normally, the ISA resource in conflict will fail the
+self-test. If so, reconfigure the adapter selecting another choice for the
+resource in conflict. Run the diagnostics again to check for further IO
conflicts.
In some cases, such as when the PC will not boot, it may be necessary to remove
-the adapter and reconfigure it by installing it in another PC to run the
-CS8900/20 Setup Utility. Once reinstalled in the target system, run the
-diagnostics self-test to ensure the new configuration is free of conflicts
+the adapter and reconfigure it by installing it in another PC to run the
+CS8900/20 Setup Utility. Once reinstalled in the target system, run the
+diagnostics self-test to ensure the new configuration is free of conflicts
before loading the driver again.
-When manually configuring the adapter, keep in mind the typical ISA system
+When manually configuring the adapter, keep in mind the typical ISA system
resource usage as indicated in the tables below.
-I/O Address Device IRQ Device
------------ -------- --- --------
- 200-20F Game I/O adapter 3 COM2, Bus Mouse
- 230-23F Bus Mouse 4 COM1
- 270-27F LPT3: third parallel port 5 LPT2
- 2F0-2FF COM2: second serial port 6 Floppy Disk controller
- 320-32F Fixed disk controller 7 LPT1
- 8 Real-time Clock
- 9 EGA/VGA display adapter
- 12 Mouse (PS/2)
-Memory Address Device 13 Math Coprocessor
--------------- --------------------- 14 Hard Disk controller
-A000-BFFF EGA Graphics Adapter
-A000-C7FF VGA Graphics Adapter
-B000-BFFF Mono Graphics Adapter
-B800-BFFF Color Graphics Adapter
-E000-FFFF AT BIOS
+::
+ I/O Address Device IRQ Device
+ ----------- -------- --- --------
+ 200-20F Game I/O adapter 3 COM2, Bus Mouse
+ 230-23F Bus Mouse 4 COM1
+ 270-27F LPT3: third parallel port 5 LPT2
+ 2F0-2FF COM2: second serial port 6 Floppy Disk controller
+ 320-32F Fixed disk controller 7 LPT1
+ 8 Real-time Clock
+ 9 EGA/VGA display adapter
+ 12 Mouse (PS/2)
+ Memory Address Device 13 Math Coprocessor
+ -------------- --------------------- 14 Hard Disk controller
+ A000-BFFF EGA Graphics Adapter
+ A000-C7FF VGA Graphics Adapter
+ B000-BFFF Mono Graphics Adapter
+ B800-BFFF Color Graphics Adapter
+ E000-FFFF AT BIOS
-6.0 TECHNICAL SUPPORT
-===============================================================================
-6.1 CONTACTING CIRRUS LOGIC'S TECHNICAL SUPPORT
+6. Technical Support
+====================
-Cirrus Logic's CS89XX Technical Application Support can be reached at:
+6.1. Contacting Cirrus Logic's Technical Support
+------------------------------------------------
-Telephone :(800) 888-5016 (from inside U.S. and Canada)
- :(512) 442-7555 (from outside the U.S. and Canada)
-Fax :(512) 912-3871
-Email :ethernet@crystal.cirrus.com
-WWW :http://www.cirrus.com
+Cirrus Logic's CS89XX Technical Application Support can be reached at::
+ Telephone :(800) 888-5016 (from inside U.S. and Canada)
+ :(512) 442-7555 (from outside the U.S. and Canada)
+ Fax :(512) 912-3871
+ Email :ethernet@crystal.cirrus.com
+ WWW :http://www.cirrus.com
-6.2 INFORMATION REQUIRED BEFORE CONTACTING TECHNICAL SUPPORT
-Before contacting Cirrus Logic for technical support, be prepared to provide as
-Much of the following information as possible.
+6.2. Information Required before Contacting Technical Support
+-------------------------------------------------------------
+
+Before contacting Cirrus Logic for technical support, be prepared to provide as
+Much of the following information as possible.
1.) Adapter type (CRD8900, CDB8900, CDB8920, etc.)
@@ -575,7 +596,7 @@ Much of the following information as possible.
* IO Base, Memory Base, IO or memory mode enabled, IRQ, DMA channel
* Plug and Play enabled/disabled (CS8920-based adapters only)
- * Configured for media auto-detect or specific media type (which type).
+ * Configured for media auto-detect or specific media type (which type).
3.) PC System's Configuration
@@ -590,35 +611,37 @@ Much of the following information as possible.
* CS89XX driver and version
* Your network operating system and version
- * Your system's OS version
+ * Your system's OS version
* Version of all protocol support files
5.) Any Error Message displayed.
-6.3 OBTAINING THE LATEST DRIVER VERSION
+6.3 Obtaining the Latest Driver Version
+---------------------------------------
-You can obtain the latest CS89XX drivers and support software from Cirrus Logic's
+You can obtain the latest CS89XX drivers and support software from Cirrus Logic's
Web site. You can also contact Cirrus Logic's Technical Support (email:
-ethernet@crystal.cirrus.com) and request that you be registered for automatic
+ethernet@crystal.cirrus.com) and request that you be registered for automatic
software-update notification.
Cirrus Logic maintains a web page at http://www.cirrus.com with the
latest drivers and technical publications.
-6.4 Current maintainer
+6.4. Current maintainer
+-----------------------
In February 2000 the maintenance of this driver was assumed by Andrew
Morton.
6.5 Kernel module parameters
+----------------------------
For use in embedded environments with no cs89x0 EEPROM, the kernel boot
-parameter `cs89x0_media=' has been implemented. Usage is:
+parameter ``cs89x0_media=`` has been implemented. Usage is::
cs89x0_media=rj45 or
cs89x0_media=aui or
cs89x0_media=bnc
-
diff --git a/Documentation/networking/device_drivers/davicom/dm9000.txt b/Documentation/networking/device_drivers/davicom/dm9000.rst
index 5552e2e575c5..d5458da01083 100644
--- a/Documentation/networking/device_drivers/davicom/dm9000.txt
+++ b/Documentation/networking/device_drivers/davicom/dm9000.rst
@@ -1,7 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
DM9000 Network driver
=====================
Copyright 2008 Simtec Electronics,
+
Ben Dooks <ben@simtec.co.uk> <ben-linux@fluff.org>
@@ -30,9 +34,9 @@ These resources should be specified in that order, as the ordering of the
two address regions is important (the driver expects these to be address
and then data).
-An example from arch/arm/mach-s3c2410/mach-bast.c is:
+An example from arch/arm/mach-s3c2410/mach-bast.c is::
-static struct resource bast_dm9k_resource[] = {
+ static struct resource bast_dm9k_resource[] = {
[0] = {
.start = S3C2410_CS5 + BAST_PA_DM9000,
.end = S3C2410_CS5 + BAST_PA_DM9000 + 3,
@@ -48,14 +52,14 @@ static struct resource bast_dm9k_resource[] = {
.end = IRQ_DM9000,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
}
-};
+ };
-static struct platform_device bast_device_dm9k = {
+ static struct platform_device bast_device_dm9k = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(bast_dm9k_resource),
.resource = bast_dm9k_resource,
-};
+ };
Note the setting of the IRQ trigger flag in bast_dm9k_resource[2].flags,
as this will generate a warning if it is not present. The trigger from
@@ -64,13 +68,13 @@ handler to ensure that the IRQ is setup correctly.
This shows a typical platform device, without the optional configuration
platform data supplied. The next example uses the same resources, but adds
-the optional platform data to pass extra configuration data:
+the optional platform data to pass extra configuration data::
-static struct dm9000_plat_data bast_dm9k_platdata = {
+ static struct dm9000_plat_data bast_dm9k_platdata = {
.flags = DM9000_PLATF_16BITONLY,
-};
+ };
-static struct platform_device bast_device_dm9k = {
+ static struct platform_device bast_device_dm9k = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(bast_dm9k_resource),
@@ -78,7 +82,7 @@ static struct platform_device bast_device_dm9k = {
.dev = {
.platform_data = &bast_dm9k_platdata,
}
-};
+ };
The platform data is defined in include/linux/dm9000.h and described below.
diff --git a/Documentation/networking/device_drivers/dec/de4x5.txt b/Documentation/networking/device_drivers/dec/de4x5.rst
index 452aac58341d..e03e9c631879 100644
--- a/Documentation/networking/device_drivers/dec/de4x5.txt
+++ b/Documentation/networking/device_drivers/dec/de4x5.rst
@@ -1,48 +1,54 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
+DEC EtherWORKS Ethernet De4x5 cards
+===================================
+
Originally, this driver was written for the Digital Equipment
Corporation series of EtherWORKS Ethernet cards:
- DE425 TP/COAX EISA
- DE434 TP PCI
- DE435 TP/COAX/AUI PCI
- DE450 TP/COAX/AUI PCI
- DE500 10/100 PCI Fasternet
+ - DE425 TP/COAX EISA
+ - DE434 TP PCI
+ - DE435 TP/COAX/AUI PCI
+ - DE450 TP/COAX/AUI PCI
+ - DE500 10/100 PCI Fasternet
but it will now attempt to support all cards which conform to the
Digital Semiconductor SROM Specification. The driver currently
recognises the following chips:
- DC21040 (no SROM)
- DC21041[A]
- DC21140[A]
- DC21142
- DC21143
+ - DC21040 (no SROM)
+ - DC21041[A]
+ - DC21140[A]
+ - DC21142
+ - DC21143
So far the driver is known to work with the following cards:
- KINGSTON
- Linksys
- ZNYX342
- SMC8432
- SMC9332 (w/new SROM)
- ZNYX31[45]
- ZNYX346 10/100 4 port (can act as a 10/100 bridge!)
+ - KINGSTON
+ - Linksys
+ - ZNYX342
+ - SMC8432
+ - SMC9332 (w/new SROM)
+ - ZNYX31[45]
+ - ZNYX346 10/100 4 port (can act as a 10/100 bridge!)
The driver has been tested on a relatively busy network using the DE425,
DE434, DE435 and DE500 cards and benchmarked with 'ttcp': it transferred
- 16M of data to a DECstation 5000/200 as follows:
+ 16M of data to a DECstation 5000/200 as follows::
- TCP UDP
- TX RX TX RX
- DE425 1030k 997k 1170k 1128k
- DE434 1063k 995k 1170k 1125k
- DE435 1063k 995k 1170k 1125k
- DE500 1063k 998k 1170k 1125k in 10Mb/s mode
+ TCP UDP
+ TX RX TX RX
+ DE425 1030k 997k 1170k 1128k
+ DE434 1063k 995k 1170k 1125k
+ DE435 1063k 995k 1170k 1125k
+ DE500 1063k 998k 1170k 1125k in 10Mb/s mode
All values are typical (in kBytes/sec) from a sample of 4 for each
measurement. Their error is +/-20k on a quiet (private) network and also
depend on what load the CPU has.
- =========================================================================
+----------------------------------------------------------------------------
The ability to load this driver as a loadable module has been included
and used extensively during the driver development (to save those long
@@ -55,31 +61,33 @@
0) have a copy of the loadable modules code installed on your system.
1) copy de4x5.c from the /linux/drivers/net directory to your favourite
- temporary directory.
+ temporary directory.
2) for fixed autoprobes (not recommended), edit the source code near
- line 5594 to reflect the I/O address you're using, or assign these when
- loading by:
+ line 5594 to reflect the I/O address you're using, or assign these when
+ loading by::
- insmod de4x5 io=0xghh where g = bus number
- hh = device number
+ insmod de4x5 io=0xghh where g = bus number
+ hh = device number
- NB: autoprobing for modules is now supported by default. You may just
- use:
+ .. note::
- insmod de4x5
+ autoprobing for modules is now supported by default. You may just
+ use::
- to load all available boards. For a specific board, still use
+ insmod de4x5
+
+ to load all available boards. For a specific board, still use
the 'io=?' above.
3) compile de4x5.c, but include -DMODULE in the command line to ensure
- that the correct bits are compiled (see end of source code).
+ that the correct bits are compiled (see end of source code).
4) if you are wanting to add a new card, goto 5. Otherwise, recompile a
- kernel with the de4x5 configuration turned off and reboot.
+ kernel with the de4x5 configuration turned off and reboot.
5) insmod de4x5 [io=0xghh]
- 6) run the net startup bits for your new eth?? interface(s) manually
- (usually /etc/rc.inet[12] at boot time).
+ 6) run the net startup bits for your new eth?? interface(s) manually
+ (usually /etc/rc.inet[12] at boot time).
7) enjoy!
- To unload a module, turn off the associated interface(s)
+ To unload a module, turn off the associated interface(s)
'ifconfig eth?? down' then 'rmmod de4x5'.
Automedia detection is included so that in principle you can disconnect
@@ -90,7 +98,7 @@
By default, the driver will now autodetect any DECchip based card.
Should you have a need to restrict the driver to DIGITAL only cards, you
can compile with a DEC_ONLY define, or if loading as a module, use the
- 'dec_only=1' parameter.
+ 'dec_only=1' parameter.
I've changed the timing routines to use the kernel timer and scheduling
functions so that the hangs and other assorted problems that occurred
@@ -158,18 +166,21 @@
either at the end of the parameter list or with another board name. The
following parameters are allowed:
- fdx for full duplex
- autosense to set the media/speed; with the following
- sub-parameters:
+ ========= ===============================================
+ fdx for full duplex
+ autosense to set the media/speed; with the following
+ sub-parameters:
TP, TP_NW, BNC, AUI, BNC_AUI, 100Mb, 10Mb, AUTO
+ ========= ===============================================
Case sensitivity is important for the sub-parameters. They *must* be
- upper case. Examples:
+ upper case. Examples::
+
+ insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'.
- insmod de4x5 args='eth1:fdx autosense=BNC eth0:autosense=100Mb'.
+ For a compiled in driver, in linux/drivers/net/CONFIG, place e.g.::
- For a compiled in driver, in linux/drivers/net/CONFIG, place e.g.
- DE4X5_OPTS = -DDE4X5_PARM='"eth0:fdx autosense=AUI eth2:autosense=TP"'
+ DE4X5_OPTS = -DDE4X5_PARM='"eth0:fdx autosense=AUI eth2:autosense=TP"'
Yes, I know full duplex isn't permissible on BNC or AUI; they're just
examples. By default, full duplex is turned off and AUTO is the default
diff --git a/Documentation/networking/device_drivers/dec/dmfe.txt b/Documentation/networking/device_drivers/dec/dmfe.rst
index 25320bf19c86..c4cf809cad84 100644
--- a/Documentation/networking/device_drivers/dec/dmfe.txt
+++ b/Documentation/networking/device_drivers/dec/dmfe.rst
@@ -1,6 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================================================
+Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver for Linux
+==============================================================
+
Note: This driver doesn't have a maintainer.
-Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver for Linux.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@@ -16,29 +21,29 @@ GNU General Public License for more details.
This driver provides kernel support for Davicom DM9102(A)/DM9132/DM9801 ethernet cards ( CNET
10/100 ethernet cards uses Davicom chipset too, so this driver supports CNET cards too ).If you
didn't compile this driver as a module, it will automatically load itself on boot and print a
-line similar to :
+line similar to::
dmfe: Davicom DM9xxx net driver, version 1.36.4 (2002-01-17)
-If you compiled this driver as a module, you have to load it on boot.You can load it with command :
+If you compiled this driver as a module, you have to load it on boot.You can load it with command::
insmod dmfe
This way it will autodetect the device mode.This is the suggested way to load the module.Or you can pass
-a mode= setting to module while loading, like :
+a mode= setting to module while loading, like::
insmod dmfe mode=0 # Force 10M Half Duplex
insmod dmfe mode=1 # Force 100M Half Duplex
insmod dmfe mode=4 # Force 10M Full Duplex
insmod dmfe mode=5 # Force 100M Full Duplex
-Next you should configure your network interface with a command similar to :
+Next you should configure your network interface with a command similar to::
ifconfig eth0 172.22.3.18
- ^^^^^^^^^^^
+ ^^^^^^^^^^^
Your IP Address
-Then you may have to modify the default routing table with command :
+Then you may have to modify the default routing table with command::
route add default eth0
@@ -48,10 +53,10 @@ Now your ethernet card should be up and running.
TODO:
-Implement pci_driver::suspend() and pci_driver::resume() power management methods.
-Check on 64 bit boxes.
-Check and fix on big endian boxes.
-Test and make sure PCI latency is now correct for all cases.
+- Implement pci_driver::suspend() and pci_driver::resume() power management methods.
+- Check on 64 bit boxes.
+- Check and fix on big endian boxes.
+- Test and make sure PCI latency is now correct for all cases.
Authors:
@@ -60,7 +65,7 @@ Sten Wang <sten_wang@davicom.com.tw > : Original Author
Contributors:
-Marcelo Tosatti <marcelo@conectiva.com.br>
-Alan Cox <alan@lxorguk.ukuu.org.uk>
-Jeff Garzik <jgarzik@pobox.com>
-Vojtech Pavlik <vojtech@suse.cz>
+- Marcelo Tosatti <marcelo@conectiva.com.br>
+- Alan Cox <alan@lxorguk.ukuu.org.uk>
+- Jeff Garzik <jgarzik@pobox.com>
+- Vojtech Pavlik <vojtech@suse.cz>
diff --git a/Documentation/networking/device_drivers/dlink/dl2k.txt b/Documentation/networking/device_drivers/dlink/dl2k.rst
index cba74f7a3abc..ccdb5d0d7460 100644
--- a/Documentation/networking/device_drivers/dlink/dl2k.txt
+++ b/Documentation/networking/device_drivers/dlink/dl2k.rst
@@ -1,10 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
- D-Link DL2000-based Gigabit Ethernet Adapter Installation
- for Linux
- May 23, 2002
+=========================================================
+D-Link DL2000-based Gigabit Ethernet Adapter Installation
+=========================================================
+
+May 23, 2002
+
+.. Contents
-Contents
-========
- Compatibility List
- Quick Install
- Compiling the Driver
@@ -15,12 +18,13 @@ Contents
Compatibility List
-=================
+==================
+
Adapter Support:
-D-Link DGE-550T Gigabit Ethernet Adapter.
-D-Link DGE-550SX Gigabit Ethernet Adapter.
-D-Link DL2000-based Gigabit Ethernet Adapter.
+- D-Link DGE-550T Gigabit Ethernet Adapter.
+- D-Link DGE-550SX Gigabit Ethernet Adapter.
+- D-Link DL2000-based Gigabit Ethernet Adapter.
The driver support Linux kernel 2.4.7 later. We had tested it
@@ -34,28 +38,32 @@ on the environments below.
Quick Install
=============
-Install linux driver as following command:
+Install linux driver as following command::
+
+ 1. make all
+ 2. insmod dl2k.ko
+ 3. ifconfig eth0 up 10.xxx.xxx.xxx netmask 255.0.0.0
+ ^^^^^^^^^^^^^^^\ ^^^^^^^^\
+ IP NETMASK
-1. make all
-2. insmod dl2k.ko
-3. ifconfig eth0 up 10.xxx.xxx.xxx netmask 255.0.0.0
- ^^^^^^^^^^^^^^^\ ^^^^^^^^\
- IP NETMASK
Now eth0 should active, you can test it by "ping" or get more information by
"ifconfig". If tested ok, continue the next step.
-4. cp dl2k.ko /lib/modules/`uname -r`/kernel/drivers/net
-5. Add the following line to /etc/modprobe.d/dl2k.conf:
+4. ``cp dl2k.ko /lib/modules/`uname -r`/kernel/drivers/net``
+5. Add the following line to /etc/modprobe.d/dl2k.conf::
+
alias eth0 dl2k
-6. Run depmod to updated module indexes.
-7. Run "netconfig" or "netconf" to create configuration script ifcfg-eth0
+
+6. Run ``depmod`` to updated module indexes.
+7. Run ``netconfig`` or ``netconf`` to create configuration script ifcfg-eth0
located at /etc/sysconfig/network-scripts or create it manually.
+
[see - Configuration Script Sample]
8. Driver will automatically load and configure at next boot time.
Compiling the Driver
====================
- In Linux, NIC drivers are most commonly configured as loadable modules.
+In Linux, NIC drivers are most commonly configured as loadable modules.
The approach of building a monolithic kernel has become obsolete. The driver
can be compiled as part of a monolithic kernel, but is strongly discouraged.
The remainder of this section assumes the driver is built as a loadable module.
@@ -73,93 +81,108 @@ to compile and link the driver:
CD-ROM drive
------------
-[root@XXX /] mkdir cdrom
-[root@XXX /] mount -r -t iso9660 -o conv=auto /dev/cdrom /cdrom
-[root@XXX /] cd root
-[root@XXX /root] mkdir dl2k
-[root@XXX /root] cd dl2k
-[root@XXX dl2k] cp /cdrom/linux/dl2k.tgz /root/dl2k
-[root@XXX dl2k] tar xfvz dl2k.tgz
-[root@XXX dl2k] make all
+::
+
+ [root@XXX /] mkdir cdrom
+ [root@XXX /] mount -r -t iso9660 -o conv=auto /dev/cdrom /cdrom
+ [root@XXX /] cd root
+ [root@XXX /root] mkdir dl2k
+ [root@XXX /root] cd dl2k
+ [root@XXX dl2k] cp /cdrom/linux/dl2k.tgz /root/dl2k
+ [root@XXX dl2k] tar xfvz dl2k.tgz
+ [root@XXX dl2k] make all
Floppy disc drive
-----------------
-[root@XXX /] cd root
-[root@XXX /root] mkdir dl2k
-[root@XXX /root] cd dl2k
-[root@XXX dl2k] mcopy a:/linux/dl2k.tgz /root/dl2k
-[root@XXX dl2k] tar xfvz dl2k.tgz
-[root@XXX dl2k] make all
+::
+
+ [root@XXX /] cd root
+ [root@XXX /root] mkdir dl2k
+ [root@XXX /root] cd dl2k
+ [root@XXX dl2k] mcopy a:/linux/dl2k.tgz /root/dl2k
+ [root@XXX dl2k] tar xfvz dl2k.tgz
+ [root@XXX dl2k] make all
Installing the Driver
=====================
- Manual Installation
- -------------------
+Manual Installation
+-------------------
+
Once the driver has been compiled, it must be loaded, enabled, and bound
to a protocol stack in order to establish network connectivity. To load a
- module enter the command:
+ module enter the command::
+
+ insmod dl2k.o
+
+ or::
+
+ insmod dl2k.o <optional parameter> ; add parameter
- insmod dl2k.o
+---------------------------------------------------------
- or
+ example::
- insmod dl2k.o <optional parameter> ; add parameter
+ insmod dl2k.o media=100mbps_hd
- ===============================================================
- example: insmod dl2k.o media=100mbps_hd
- or insmod dl2k.o media=3
- or insmod dl2k.o media=3,2 ; for 2 cards
- ===============================================================
+ or::
+
+ insmod dl2k.o media=3
+
+ or::
+
+ insmod dl2k.o media=3,2 ; for 2 cards
+
+---------------------------------------------------------
Please reference the list of the command line parameters supported by
the Linux device driver below.
The insmod command only loads the driver and gives it a name of the form
eth0, eth1, etc. To bring the NIC into an operational state,
- it is necessary to issue the following command:
+ it is necessary to issue the following command::
- ifconfig eth0 up
+ ifconfig eth0 up
Finally, to bind the driver to the active protocol (e.g., TCP/IP with
- Linux), enter the following command:
+ Linux), enter the following command::
- ifup eth0
+ ifup eth0
Note that this is meaningful only if the system can find a configuration
script that contains the necessary network information. A sample will be
given in the next paragraph.
- The commands to unload a driver are as follows:
+ The commands to unload a driver are as follows::
- ifdown eth0
- ifconfig eth0 down
- rmmod dl2k.o
+ ifdown eth0
+ ifconfig eth0 down
+ rmmod dl2k.o
The following are the commands to list the currently loaded modules and
- to see the current network configuration.
+ to see the current network configuration::
- lsmod
- ifconfig
+ lsmod
+ ifconfig
- Automated Installation
- ----------------------
+Automated Installation
+----------------------
This section describes how to install the driver such that it is
automatically loaded and configured at boot time. The following description
is based on a Red Hat 6.0/7.0 distribution, but it can easily be ported to
other distributions as well.
- Red Hat v6.x/v7.x
- -----------------
+Red Hat v6.x/v7.x
+-----------------
1. Copy dl2k.o to the network modules directory, typically
/lib/modules/2.x.x-xx/net or /lib/modules/2.x.x/kernel/drivers/net.
2. Locate the boot module configuration file, most commonly in the
- /etc/modprobe.d/ directory. Add the following lines:
+ /etc/modprobe.d/ directory. Add the following lines::
- alias ethx dl2k
- options dl2k <optional parameters>
+ alias ethx dl2k
+ options dl2k <optional parameters>
where ethx will be eth0 if the NIC is the only ethernet adapter, eth1 if
one other ethernet adapter is installed, etc. Refer to the table in the
@@ -180,11 +203,15 @@ parameter. Below is a list of the command line parameters supported by the
Linux device
driver.
-mtu=packet_size - Specifies the maximum packet size. default
+
+=============================== ==============================================
+mtu=packet_size Specifies the maximum packet size. default
is 1500.
-media=media_type - Specifies the media type the NIC operates at.
+media=media_type Specifies the media type the NIC operates at.
autosense Autosensing active media.
+
+ =========== =========================
10mbps_hd 10Mbps half duplex.
10mbps_fd 10Mbps full duplex.
100mbps_hd 100Mbps half duplex.
@@ -198,85 +225,90 @@ media=media_type - Specifies the media type the NIC operates at.
4 100Mbps full duplex.
5 1000Mbps half duplex.
6 1000Mbps full duplex.
+ =========== =========================
By default, the NIC operates at autosense.
1000mbps_fd and 1000mbps_hd types are only
available for fiber adapter.
-vlan=n - Specifies the VLAN ID. If vlan=0, the
+vlan=n Specifies the VLAN ID. If vlan=0, the
Virtual Local Area Network (VLAN) function is
disable.
-jumbo=[0|1] - Specifies the jumbo frame support. If jumbo=1,
+jumbo=[0|1] Specifies the jumbo frame support. If jumbo=1,
the NIC accept jumbo frames. By default, this
function is disabled.
Jumbo frame usually improve the performance
int gigabit.
- This feature need jumbo frame compatible
+ This feature need jumbo frame compatible
remote.
-
-rx_coalesce=m - Number of rx frame handled each interrupt.
-rx_timeout=n - Rx DMA wait time for an interrupt.
- If set rx_coalesce > 0, hardware only assert
- an interrupt for m frames. Hardware won't
+
+rx_coalesce=m Number of rx frame handled each interrupt.
+rx_timeout=n Rx DMA wait time for an interrupt.
+ If set rx_coalesce > 0, hardware only assert
+ an interrupt for m frames. Hardware won't
assert rx interrupt until m frames received or
- reach timeout of n * 640 nano seconds.
- Set proper rx_coalesce and rx_timeout can
+ reach timeout of n * 640 nano seconds.
+ Set proper rx_coalesce and rx_timeout can
reduce congestion collapse and overload which
has been a bottleneck for high speed network.
-
+
For example, rx_coalesce=10 rx_timeout=800.
- that is, hardware assert only 1 interrupt
- for 10 frames received or timeout of 512 us.
+ that is, hardware assert only 1 interrupt
+ for 10 frames received or timeout of 512 us.
-tx_coalesce=n - Number of tx frame handled each interrupt.
- Set n > 1 can reduce the interrupts
+tx_coalesce=n Number of tx frame handled each interrupt.
+ Set n > 1 can reduce the interrupts
congestion usually lower performance of
high speed network card. Default is 16.
-
-tx_flow=[1|0] - Specifies the Tx flow control. If tx_flow=0,
+
+tx_flow=[1|0] Specifies the Tx flow control. If tx_flow=0,
the Tx flow control disable else driver
autodetect.
-rx_flow=[1|0] - Specifies the Rx flow control. If rx_flow=0,
+rx_flow=[1|0] Specifies the Rx flow control. If rx_flow=0,
the Rx flow control enable else driver
autodetect.
+=============================== ==============================================
Configuration Script Sample
===========================
-Here is a sample of a simple configuration script:
+Here is a sample of a simple configuration script::
-DEVICE=eth0
-USERCTL=no
-ONBOOT=yes
-POOTPROTO=none
-BROADCAST=207.200.5.255
-NETWORK=207.200.5.0
-NETMASK=255.255.255.0
-IPADDR=207.200.5.2
+ DEVICE=eth0
+ USERCTL=no
+ ONBOOT=yes
+ POOTPROTO=none
+ BROADCAST=207.200.5.255
+ NETWORK=207.200.5.0
+ NETMASK=255.255.255.0
+ IPADDR=207.200.5.2
Troubleshooting
===============
Q1. Source files contain ^ M behind every line.
- Make sure all files are Unix file format (no LF). Try the following
- shell command to convert files.
+
+ Make sure all files are Unix file format (no LF). Try the following
+ shell command to convert files::
cat dl2k.c | col -b > dl2k.tmp
mv dl2k.tmp dl2k.c
- OR
+ OR::
cat dl2k.c | tr -d "\r" > dl2k.tmp
mv dl2k.tmp dl2k.c
-Q2: Could not find header files (*.h) ?
- To compile the driver, you need kernel header files. After
+Q2: Could not find header files (``*.h``)?
+
+ To compile the driver, you need kernel header files. After
installing the kernel source, the header files are usually located in
/usr/src/linux/include, which is the default include directory configured
in Makefile. For some distributions, there is a copy of header files in
/usr/src/include/linux and /usr/src/include/asm, that you can change the
INCLUDEDIR in Makefile to /usr/include without installing kernel source.
- Note that RH 7.0 didn't provide correct header files in /usr/include,
+
+ Note that RH 7.0 didn't provide correct header files in /usr/include,
including those files will make a wrong version driver.
diff --git a/Documentation/networking/device_drivers/freescale/dpaa.txt b/Documentation/networking/device_drivers/freescale/dpaa.rst
index b06601ff9200..241c6c6f6e68 100644
--- a/Documentation/networking/device_drivers/freescale/dpaa.txt
+++ b/Documentation/networking/device_drivers/freescale/dpaa.rst
@@ -1,12 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
The QorIQ DPAA Ethernet Driver
==============================
Authors:
-Madalin Bucur <madalin.bucur@nxp.com>
-Camelia Groza <camelia.groza@nxp.com>
+- Madalin Bucur <madalin.bucur@nxp.com>
+- Camelia Groza <camelia.groza@nxp.com>
-Contents
-========
+.. Contents
- DPAA Ethernet Overview
- DPAA Ethernet Supported SoCs
@@ -34,7 +36,7 @@ following drivers in the Linux kernel:
- Queue Manager (QMan), Buffer Manager (BMan)
drivers/soc/fsl/qbman
-A simplified view of the dpaa_eth interfaces mapped to FMan MACs:
+A simplified view of the dpaa_eth interfaces mapped to FMan MACs::
dpaa_eth /eth0\ ... /ethN\
driver | | | |
@@ -42,89 +44,93 @@ A simplified view of the dpaa_eth interfaces mapped to FMan MACs:
-Ports / Tx Rx \ ... / Tx Rx \
FMan | | | |
-MACs | MAC0 | | MACN |
- / dtsec0 \ ... / dtsecN \ (or tgec)
- / \ / \(or memac)
+ / dtsec0 \ ... / dtsecN \ (or tgec)
+ / \ / \(or memac)
--------- -------------- --- -------------- ---------
FMan, FMan Port, FMan SP, FMan MURAM drivers
---------------------------------------------------------
FMan HW blocks: MURAM, MACs, Ports, SP
---------------------------------------------------------
-The dpaa_eth relation to the QMan, BMan and FMan:
- ________________________________
+The dpaa_eth relation to the QMan, BMan and FMan::
+
+ ________________________________
dpaa_eth / eth0 \
driver / \
--------- -^- -^- -^- --- ---------
QMan driver / \ / \ / \ \ / | BMan |
- |Rx | |Rx | |Tx | |Tx | | driver |
+ |Rx | |Rx | |Tx | |Tx | | driver |
--------- |Dfl| |Err| |Cnf| |FQs| | |
QMan HW |FQ | |FQ | |FQs| | | | |
- / \ / \ / \ \ / | |
+ / \ / \ / \ \ / | |
--------- --- --- --- -v- ---------
- | FMan QMI | |
- | FMan HW FMan BMI | BMan HW |
- ----------------------- --------
+ | FMan QMI | |
+ | FMan HW FMan BMI | BMan HW |
+ ----------------------- --------
where the acronyms used above (and in the code) are:
-DPAA = Data Path Acceleration Architecture
-FMan = DPAA Frame Manager
-QMan = DPAA Queue Manager
-BMan = DPAA Buffers Manager
-QMI = QMan interface in FMan
-BMI = BMan interface in FMan
-FMan SP = FMan Storage Profiles
-MURAM = Multi-user RAM in FMan
-FQ = QMan Frame Queue
-Rx Dfl FQ = default reception FQ
-Rx Err FQ = Rx error frames FQ
-Tx Cnf FQ = Tx confirmation FQs
-Tx FQs = transmission frame queues
-dtsec = datapath three speed Ethernet controller (10/100/1000 Mbps)
-tgec = ten gigabit Ethernet controller (10 Gbps)
-memac = multirate Ethernet MAC (10/100/1000/10000)
+
+=============== ===========================================================
+DPAA Data Path Acceleration Architecture
+FMan DPAA Frame Manager
+QMan DPAA Queue Manager
+BMan DPAA Buffers Manager
+QMI QMan interface in FMan
+BMI BMan interface in FMan
+FMan SP FMan Storage Profiles
+MURAM Multi-user RAM in FMan
+FQ QMan Frame Queue
+Rx Dfl FQ default reception FQ
+Rx Err FQ Rx error frames FQ
+Tx Cnf FQ Tx confirmation FQs
+Tx FQs transmission frame queues
+dtsec datapath three speed Ethernet controller (10/100/1000 Mbps)
+tgec ten gigabit Ethernet controller (10 Gbps)
+memac multirate Ethernet MAC (10/100/1000/10000)
+=============== ===========================================================
DPAA Ethernet Supported SoCs
============================
The DPAA drivers enable the Ethernet controllers present on the following SoCs:
-# PPC
-P1023
-P2041
-P3041
-P4080
-P5020
-P5040
-T1023
-T1024
-T1040
-T1042
-T2080
-T4240
-B4860
-
-# ARM
-LS1043A
-LS1046A
+PPC
+- P1023
+- P2041
+- P3041
+- P4080
+- P5020
+- P5040
+- T1023
+- T1024
+- T1040
+- T1042
+- T2080
+- T4240
+- B4860
+
+ARM
+- LS1043A
+- LS1046A
Configuring DPAA Ethernet in your kernel
========================================
-To enable the DPAA Ethernet driver, the following Kconfig options are required:
+To enable the DPAA Ethernet driver, the following Kconfig options are required::
-# common for arch/arm64 and arch/powerpc platforms
-CONFIG_FSL_DPAA=y
-CONFIG_FSL_FMAN=y
-CONFIG_FSL_DPAA_ETH=y
-CONFIG_FSL_XGMAC_MDIO=y
+ # common for arch/arm64 and arch/powerpc platforms
+ CONFIG_FSL_DPAA=y
+ CONFIG_FSL_FMAN=y
+ CONFIG_FSL_DPAA_ETH=y
+ CONFIG_FSL_XGMAC_MDIO=y
-# for arch/powerpc only
-CONFIG_FSL_PAMU=y
+ # for arch/powerpc only
+ CONFIG_FSL_PAMU=y
-# common options needed for the PHYs used on the RDBs
-CONFIG_VITESSE_PHY=y
-CONFIG_REALTEK_PHY=y
-CONFIG_AQUANTIA_PHY=y
+ # common options needed for the PHYs used on the RDBs
+ CONFIG_VITESSE_PHY=y
+ CONFIG_REALTEK_PHY=y
+ CONFIG_AQUANTIA_PHY=y
DPAA Ethernet Frame Processing
==============================
@@ -167,7 +173,9 @@ classes as follows:
* priorities 8 to 11 - traffic class 2 (medium-high priority)
* priorities 12 to 15 - traffic class 3 (high priority)
-tc qdisc add dev <int> root handle 1: \
+::
+
+ tc qdisc add dev <int> root handle 1: \
mqprio num_tc 4 map 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 hw 1
DPAA IRQ Affinity and Receive Side Scaling
@@ -201,11 +209,11 @@ of these frame queues will arrive at the same portal and will always
be processed by the same CPU. This ensures intra-flow order preservation
and workload distribution for multiple traffic flows.
-RSS can be turned off for a certain interface using ethtool, i.e.
+RSS can be turned off for a certain interface using ethtool, i.e.::
# ethtool -N fm1-mac9 rx-flow-hash tcp4 ""
-To turn it back on, one needs to set rx-flow-hash for tcp4/6 or udp4/6:
+To turn it back on, one needs to set rx-flow-hash for tcp4/6 or udp4/6::
# ethtool -N fm1-mac9 rx-flow-hash udp4 sfdn
@@ -216,7 +224,7 @@ going to control the rx-flow-hashing for all protocols on that interface.
Besides using the FMan Keygen computed hash for spreading traffic on the
128 Rx FQs, the DPAA Ethernet driver also sets the skb hash value when
the NETIF_F_RXHASH feature is on (active by default). This can be turned
-on or off through ethtool, i.e.:
+on or off through ethtool, i.e.::
# ethtool -K fm1-mac9 rx-hashing off
# ethtool -k fm1-mac9 | grep hash
@@ -246,6 +254,7 @@ The following statistics are exported for each interface through ethtool:
- Rx error count per CPU
- Rx error count per type
- congestion related statistics:
+
- congestion status
- time spent in congestion
- number of time the device entered congestion
@@ -254,7 +263,7 @@ The following statistics are exported for each interface through ethtool:
The driver also exports the following information in sysfs:
- the FQ IDs for each FQ type
- /sys/devices/platform/soc/<addr>.fman/<addr>.ethernet/dpaa-ethernet.<id>/net/fm<nr>-mac<nr>/fqids
+ /sys/devices/platform/soc/<addr>.fman/<addr>.ethernet/dpaa-ethernet.<id>/net/fm<nr>-mac<nr>/fqids
- the ID of the buffer pool in use
- /sys/devices/platform/soc/<addr>.fman/<addr>.ethernet/dpaa-ethernet.<id>/net/fm<nr>-mac<nr>/bpids
+ /sys/devices/platform/soc/<addr>.fman/<addr>.ethernet/dpaa-ethernet.<id>/net/fm<nr>-mac<nr>/bpids
diff --git a/Documentation/networking/device_drivers/freescale/gianfar.txt b/Documentation/networking/device_drivers/freescale/gianfar.rst
index ba1daea7f2e4..9c4a91d3824b 100644
--- a/Documentation/networking/device_drivers/freescale/gianfar.txt
+++ b/Documentation/networking/device_drivers/freescale/gianfar.rst
@@ -1,10 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================
The Gianfar Ethernet Driver
+===========================
-Author: Andy Fleming <afleming@freescale.com>
-Updated: 2005-07-28
+:Author: Andy Fleming <afleming@freescale.com>
+:Updated: 2005-07-28
-CHECKSUM OFFLOADING
+Checksum Offloading
+===================
The eTSEC controller (first included in parts from late 2005 like
the 8548) has the ability to perform TCP, UDP, and IP checksums
@@ -15,13 +20,15 @@ packets. Use ethtool to enable or disable this feature for RX
and TX.
VLAN
+====
In order to use VLAN, please consult Linux documentation on
configuring VLANs. The gianfar driver supports hardware insertion and
extraction of VLAN headers, but not filtering. Filtering will be
done by the kernel.
-MULTICASTING
+Multicasting
+============
The gianfar driver supports using the group hash table on the
TSEC (and the extended hash table on the eTSEC) for multicast
@@ -29,13 +36,15 @@ filtering. On the eTSEC, the exact-match MAC registers are used
before the hash tables. See Linux documentation on how to join
multicast groups.
-PADDING
+Padding
+=======
The gianfar driver supports padding received frames with 2 bytes
to align the IP header to a 16-byte boundary, when supported by
hardware.
-ETHTOOL
+Ethtool
+=======
The gianfar driver supports the use of ethtool for many
configuration options. You must run ethtool only on currently
diff --git a/Documentation/networking/device_drivers/index.rst b/Documentation/networking/device_drivers/index.rst
index a191faaf97de..e18dad11bc72 100644
--- a/Documentation/networking/device_drivers/index.rst
+++ b/Documentation/networking/device_drivers/index.rst
@@ -27,6 +27,30 @@ Contents:
netronome/nfp
pensando/ionic
stmicro/stmmac
+ 3com/3c509
+ 3com/vortex
+ amazon/ena
+ aquantia/atlantic
+ chelsio/cxgb
+ cirrus/cs89x0
+ davicom/dm9000
+ dec/de4x5
+ dec/dmfe
+ dlink/dl2k
+ freescale/dpaa
+ freescale/gianfar
+ intel/ipw2100
+ intel/ipw2200
+ microsoft/netvsc
+ neterion/s2io
+ neterion/vxge
+ qualcomm/rmnet
+ sb1000
+ smsc/smc9
+ ti/cpsw_switchdev
+ ti/cpsw
+ ti/tlan
+ toshiba/spider_net
.. only:: subproject and html
diff --git a/Documentation/networking/device_drivers/intel/e100.rst b/Documentation/networking/device_drivers/intel/e100.rst
index caf023cc88de..3ac21e7119a7 100644
--- a/Documentation/networking/device_drivers/intel/e100.rst
+++ b/Documentation/networking/device_drivers/intel/e100.rst
@@ -33,7 +33,7 @@ The following features are now available in supported kernels:
- SNMP
Channel Bonding documentation can be found in the Linux kernel source:
-/Documentation/networking/bonding.txt
+/Documentation/networking/bonding.rst
Identifying Your Adapter
diff --git a/Documentation/networking/device_drivers/intel/ipw2100.txt b/Documentation/networking/device_drivers/intel/ipw2100.rst
index 6f85e1d06031..d54ad522f937 100644
--- a/Documentation/networking/device_drivers/intel/ipw2100.txt
+++ b/Documentation/networking/device_drivers/intel/ipw2100.rst
@@ -1,31 +1,37 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
-Intel(R) PRO/Wireless 2100 Driver for Linux in support of:
+===========================================
+Intel(R) PRO/Wireless 2100 Driver for Linux
+===========================================
-Intel(R) PRO/Wireless 2100 Network Connection
+Support for:
-Copyright (C) 2003-2006, Intel Corporation
+- Intel(R) PRO/Wireless 2100 Network Connection
+
+Copyright |copy| 2003-2006, Intel Corporation
README.ipw2100
-Version: git-1.1.5
-Date : January 25, 2006
+:Version: git-1.1.5
+:Date: January 25, 2006
-Index
------------------------------------------------
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
-1. Introduction
-2. Release git-1.1.5 Current Features
-3. Command Line Parameters
-4. Sysfs Helper Files
-5. Radio Kill Switch
-6. Dynamic Firmware
-7. Power Management
-8. Support
-9. License
+.. Index
+
+ 0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
+ 1. Introduction
+ 2. Release git-1.1.5 Current Features
+ 3. Command Line Parameters
+ 4. Sysfs Helper Files
+ 5. Radio Kill Switch
+ 6. Dynamic Firmware
+ 7. Power Management
+ 8. Support
+ 9. License
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
------------------------------------------------
+0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
+=================================================
Important Notice FOR ALL USERS OR DISTRIBUTORS!!!!
@@ -75,10 +81,10 @@ obtain a tested driver from Intel Customer Support at:
http://www.intel.com/support/wireless/sb/CS-006408.htm
1. Introduction
------------------------------------------------
+===============
-This document provides a brief overview of the features supported by the
-IPW2100 driver project. The main project website, where the latest
+This document provides a brief overview of the features supported by the
+IPW2100 driver project. The main project website, where the latest
development version of the driver can be found, is:
http://ipw2100.sourceforge.net
@@ -89,10 +95,11 @@ for the driver project.
2. Release git-1.1.5 Current Supported Features
------------------------------------------------
+===============================================
+
- Managed (BSS) and Ad-Hoc (IBSS)
- WEP (shared key and open)
-- Wireless Tools support
+- Wireless Tools support
- 802.1x (tested with XSupplicant 1.0.1)
Enabled (but not supported) features:
@@ -105,11 +112,11 @@ performed on a given feature.
3. Command Line Parameters
------------------------------------------------
+==========================
If the driver is built as a module, the following optional parameters are used
by entering them on the command line with the modprobe command using this
-syntax:
+syntax::
modprobe ipw2100 [<option>=<VAL1><,VAL2>...]
@@ -119,61 +126,76 @@ For example, to disable the radio on driver loading, enter:
The ipw2100 driver supports the following module parameters:
-Name Value Example:
-debug 0x0-0xffffffff debug=1024
-mode 0,1,2 mode=1 /* AdHoc */
-channel int channel=3 /* Only valid in AdHoc or Monitor */
-associate boolean associate=0 /* Do NOT auto associate */
-disable boolean disable=1 /* Do not power the HW */
+========= ============== ============ ==============================
+Name Value Example Meaning
+========= ============== ============ ==============================
+debug 0x0-0xffffffff debug=1024 Debug level set to 1024
+mode 0,1,2 mode=1 AdHoc
+channel int channel=3 Only valid in AdHoc or Monitor
+associate boolean associate=0 Do NOT auto associate
+disable boolean disable=1 Do not power the HW
+========= ============== ============ ==============================
4. Sysfs Helper Files
----------------------------
------------------------------------------------
+=====================
-There are several ways to control the behavior of the driver. Many of the
+There are several ways to control the behavior of the driver. Many of the
general capabilities are exposed through the Wireless Tools (iwconfig). There
are a few capabilities that are exposed through entries in the Linux Sysfs.
------ Driver Level ------
+**Driver Level**
+
For the driver level files, look in /sys/bus/pci/drivers/ipw2100/
- debug_level
-
- This controls the same global as the 'debug' module parameter. For
- information on the various debugging levels available, run the 'dvals'
+ debug_level
+ This controls the same global as the 'debug' module parameter. For
+ information on the various debugging levels available, run the 'dvals'
script found in the driver source directory.
- NOTE: 'debug_level' is only enabled if CONFIG_IPW2100_DEBUG is turn
- on.
+ .. note::
+
+ 'debug_level' is only enabled if CONFIG_IPW2100_DEBUG is turn on.
+
+**Device Level**
+
+For the device level files look in::
------ Device Level ------
-For the device level files look in
-
/sys/bus/pci/drivers/ipw2100/{PCI-ID}/
-For example:
+For example::
+
/sys/bus/pci/drivers/ipw2100/0000:02:01.0
For the device level files, see /sys/bus/pci/drivers/ipw2100:
rf_kill
- read -
- 0 = RF kill not enabled (radio on)
- 1 = SW based RF kill active (radio off)
- 2 = HW based RF kill active (radio off)
- 3 = Both HW and SW RF kill active (radio off)
- write -
- 0 = If SW based RF kill active, turn the radio back on
- 1 = If radio is on, activate SW based RF kill
+ read
+
+ == =========================================
+ 0 RF kill not enabled (radio on)
+ 1 SW based RF kill active (radio off)
+ 2 HW based RF kill active (radio off)
+ 3 Both HW and SW RF kill active (radio off)
+ == =========================================
+
+ write
+
+ == ==================================================
+ 0 If SW based RF kill active, turn the radio back on
+ 1 If radio is on, activate SW based RF kill
+ == ==================================================
- NOTE: If you enable the SW based RF kill and then toggle the HW
- based RF kill from ON -> OFF -> ON, the radio will NOT come back on
+ .. note::
+
+ If you enable the SW based RF kill and then toggle the HW
+ based RF kill from ON -> OFF -> ON, the radio will NOT come back on
5. Radio Kill Switch
------------------------------------------------
+====================
+
Most laptops provide the ability for the user to physically disable the radio.
Some vendors have implemented this as a physical switch that requires no
software to turn the radio off and on. On other laptops, however, the switch
@@ -186,9 +208,10 @@ on your system.
6. Dynamic Firmware
------------------------------------------------
-As the firmware is licensed under a restricted use license, it can not be
-included within the kernel sources. To enable the IPW2100 you will need a
+===================
+
+As the firmware is licensed under a restricted use license, it can not be
+included within the kernel sources. To enable the IPW2100 you will need a
firmware image to load into the wireless NIC's processors.
You can obtain these images from <http://ipw2100.sf.net/firmware.php>.
@@ -197,52 +220,57 @@ See INSTALL for instructions on installing the firmware.
7. Power Management
------------------------------------------------
-The IPW2100 supports the configuration of the Power Save Protocol
-through a private wireless extension interface. The IPW2100 supports
+===================
+
+The IPW2100 supports the configuration of the Power Save Protocol
+through a private wireless extension interface. The IPW2100 supports
the following different modes:
+ === ===========================================================
off No power management. Radio is always on.
on Automatic power management
- 1-5 Different levels of power management. The higher the
- number the greater the power savings, but with an impact to
- packet latencies.
-
-Power management works by powering down the radio after a certain
-interval of time has passed where no packets are passed through the
-radio. Once powered down, the radio remains in that state for a given
-period of time. For higher power savings, the interval between last
+ 1-5 Different levels of power management. The higher the
+ number the greater the power savings, but with an impact to
+ packet latencies.
+ === ===========================================================
+
+Power management works by powering down the radio after a certain
+interval of time has passed where no packets are passed through the
+radio. Once powered down, the radio remains in that state for a given
+period of time. For higher power savings, the interval between last
packet processed to sleep is shorter and the sleep period is longer.
-When the radio is asleep, the access point sending data to the station
-must buffer packets at the AP until the station wakes up and requests
-any buffered packets. If you have an AP that does not correctly support
-the PSP protocol you may experience packet loss or very poor performance
-while power management is enabled. If this is the case, you will need
-to try and find a firmware update for your AP, or disable power
-management (via `iwconfig eth1 power off`)
+When the radio is asleep, the access point sending data to the station
+must buffer packets at the AP until the station wakes up and requests
+any buffered packets. If you have an AP that does not correctly support
+the PSP protocol you may experience packet loss or very poor performance
+while power management is enabled. If this is the case, you will need
+to try and find a firmware update for your AP, or disable power
+management (via ``iwconfig eth1 power off``)
-To configure the power level on the IPW2100 you use a combination of
-iwconfig and iwpriv. iwconfig is used to turn power management on, off,
+To configure the power level on the IPW2100 you use a combination of
+iwconfig and iwpriv. iwconfig is used to turn power management on, off,
and set it to auto.
+ ========================= ====================================
iwconfig eth1 power off Disables radio power down
- iwconfig eth1 power on Enables radio power management to
+ iwconfig eth1 power on Enables radio power management to
last set level (defaults to AUTO)
- iwpriv eth1 set_power 0 Sets power level to AUTO and enables
- power management if not previously
+ iwpriv eth1 set_power 0 Sets power level to AUTO and enables
+ power management if not previously
enabled.
- iwpriv eth1 set_power 1-5 Set the power level as specified,
- enabling power management if not
+ iwpriv eth1 set_power 1-5 Set the power level as specified,
+ enabling power management if not
previously enabled.
+ ========================= ====================================
+
+You can view the current power level setting via::
-You can view the current power level setting via:
-
iwpriv eth1 get_power
It will return the current period or timeout that is configured as a string
in the form of xxxx/yyyy (z) where xxxx is the timeout interval (amount of
-time after packet processing), yyyy is the period to sleep (amount of time to
+time after packet processing), yyyy is the period to sleep (amount of time to
wait before powering the radio and querying the access point for buffered
packets), and z is the 'power level'. If power management is turned off the
xxxx/yyyy will be replaced with 'off' -- the level reported will be the active
@@ -250,44 +278,46 @@ level if `iwconfig eth1 power on` is invoked.
8. Support
------------------------------------------------
+==========
For general development information and support,
go to:
-
+
http://ipw2100.sf.net/
-The ipw2100 1.1.0 driver and firmware can be downloaded from:
+The ipw2100 1.1.0 driver and firmware can be downloaded from:
http://support.intel.com
-For installation support on the ipw2100 1.1.0 driver on Linux kernels
-2.6.8 or greater, email support is available from:
+For installation support on the ipw2100 1.1.0 driver on Linux kernels
+2.6.8 or greater, email support is available from:
http://supportmail.intel.com
9. License
------------------------------------------------
+==========
- Copyright(c) 2003 - 2006 Intel Corporation. All rights reserved.
+ Copyright |copy| 2003 - 2006 Intel Corporation. All rights reserved.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License (version 2) as
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License (version 2) as
published by the Free Software Foundation.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
-
+
You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
+ this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
The full GNU General Public License is included in this distribution in the
file called LICENSE.
-
+
License Contact Information:
+
James P. Ketrenos <ipw2100-admin@linux.intel.com>
+
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
diff --git a/Documentation/networking/device_drivers/intel/ipw2200.txt b/Documentation/networking/device_drivers/intel/ipw2200.rst
index b7658bed4906..0cb42d2fd7e5 100644
--- a/Documentation/networking/device_drivers/intel/ipw2200.txt
+++ b/Documentation/networking/device_drivers/intel/ipw2200.rst
@@ -1,8 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
-Intel(R) PRO/Wireless 2915ABG Driver for Linux in support of:
+==============================================
+Intel(R) PRO/Wireless 2915ABG Driver for Linux
+==============================================
-Intel(R) PRO/Wireless 2200BG Network Connection
-Intel(R) PRO/Wireless 2915ABG Network Connection
+
+Support for:
+
+- Intel(R) PRO/Wireless 2200BG Network Connection
+- Intel(R) PRO/Wireless 2915ABG Network Connection
Note: The Intel(R) PRO/Wireless 2915ABG Driver for Linux and Intel(R)
PRO/Wireless 2200BG Driver for Linux is a unified driver that works on
@@ -10,37 +17,37 @@ both hardware adapters listed above. In this document the Intel(R)
PRO/Wireless 2915ABG Driver for Linux will be used to reference the
unified driver.
-Copyright (C) 2004-2006, Intel Corporation
+Copyright |copy| 2004-2006, Intel Corporation
README.ipw2200
-Version: 1.1.2
-Date : March 30, 2006
+:Version: 1.1.2
+:Date: March 30, 2006
-Index
------------------------------------------------
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
-1. Introduction
-1.1. Overview of features
-1.2. Module parameters
-1.3. Wireless Extension Private Methods
-1.4. Sysfs Helper Files
-1.5. Supported channels
-2. Ad-Hoc Networking
-3. Interacting with Wireless Tools
-3.1. iwconfig mode
-3.2. iwconfig sens
-4. About the Version Numbers
-5. Firmware installation
-6. Support
-7. License
+.. Index
+ 0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
+ 1. Introduction
+ 1.1. Overview of features
+ 1.2. Module parameters
+ 1.3. Wireless Extension Private Methods
+ 1.4. Sysfs Helper Files
+ 1.5. Supported channels
+ 2. Ad-Hoc Networking
+ 3. Interacting with Wireless Tools
+ 3.1. iwconfig mode
+ 3.2. iwconfig sens
+ 4. About the Version Numbers
+ 5. Firmware installation
+ 6. Support
+ 7. License
-0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
------------------------------------------------
-Important Notice FOR ALL USERS OR DISTRIBUTORS!!!!
+0. IMPORTANT INFORMATION BEFORE USING THIS DRIVER
+=================================================
+
+Important Notice FOR ALL USERS OR DISTRIBUTORS!!!!
Intel wireless LAN adapters are engineered, manufactured, tested, and
quality checked to ensure that they meet all necessary local and
@@ -56,7 +63,7 @@ product is granted. Intel's wireless LAN's EEPROM, firmware, and
software driver are designed to carefully control parameters that affect
radio operation and to ensure electromagnetic compliance (EMC). These
parameters include, without limitation, RF power, spectrum usage,
-channel scanning, and human exposure.
+channel scanning, and human exposure.
For these reasons Intel cannot permit any manipulation by third parties
of the software provided in binary format with the wireless WLAN
@@ -70,7 +77,7 @@ no liability, under any theory of liability for any issues associated
with the modified products, including without limitation, claims under
the warranty and/or issues arising from regulatory non-compliance, and
(iii) Intel will not provide or be required to assist in providing
-support to any third parties for such modified products.
+support to any third parties for such modified products.
Note: Many regulatory agencies consider Wireless LAN adapters to be
modules, and accordingly, condition system-level regulatory approval
@@ -78,23 +85,24 @@ upon receipt and review of test data documenting that the antennas and
system configuration do not cause the EMC and radio operation to be
non-compliant.
-The drivers available for download from SourceForge are provided as a
-part of a development project. Conformance to local regulatory
-requirements is the responsibility of the individual developer. As
-such, if you are interested in deploying or shipping a driver as part of
-solution intended to be used for purposes other than development, please
+The drivers available for download from SourceForge are provided as a
+part of a development project. Conformance to local regulatory
+requirements is the responsibility of the individual developer. As
+such, if you are interested in deploying or shipping a driver as part of
+solution intended to be used for purposes other than development, please
obtain a tested driver from Intel Customer Support at:
http://support.intel.com
-1. Introduction
------------------------------------------------
-The following sections attempt to provide a brief introduction to using
+1. Introduction
+===============
+
+The following sections attempt to provide a brief introduction to using
the Intel(R) PRO/Wireless 2915ABG Driver for Linux.
-This document is not meant to be a comprehensive manual on
-understanding or using wireless technologies, but should be sufficient
+This document is not meant to be a comprehensive manual on
+understanding or using wireless technologies, but should be sufficient
to get you moving without wires on Linux.
For information on building and installing the driver, see the INSTALL
@@ -102,14 +110,14 @@ file.
1.1. Overview of Features
------------------------------------------------
+-------------------------
The current release (1.1.2) supports the following features:
+ BSS mode (Infrastructure, Managed)
+ IBSS mode (Ad-Hoc)
+ WEP (OPEN and SHARED KEY mode)
+ 802.1x EAP via wpa_supplicant and xsupplicant
-+ Wireless Extension support
++ Wireless Extension support
+ Full B and G rate support (2200 and 2915)
+ Full A rate support (2915 only)
+ Transmit power control
@@ -122,102 +130,107 @@ supported:
+ long/short preamble support
+ Monitor mode (aka RFMon)
-The distinction between officially supported and enabled is a reflection
+The distinction between officially supported and enabled is a reflection
on the amount of validation and interoperability testing that has been
-performed on a given feature.
+performed on a given feature.
1.2. Command Line Parameters
------------------------------------------------
+----------------------------
Like many modules used in the Linux kernel, the Intel(R) PRO/Wireless
-2915ABG Driver for Linux allows configuration options to be provided
-as module parameters. The most common way to specify a module parameter
-is via the command line.
+2915ABG Driver for Linux allows configuration options to be provided
+as module parameters. The most common way to specify a module parameter
+is via the command line.
-The general form is:
+The general form is::
-% modprobe ipw2200 parameter=value
+ % modprobe ipw2200 parameter=value
Where the supported parameter are:
associate
Set to 0 to disable the auto scan-and-associate functionality of the
- driver. If disabled, the driver will not attempt to scan
- for and associate to a network until it has been configured with
- one or more properties for the target network, for example configuring
+ driver. If disabled, the driver will not attempt to scan
+ for and associate to a network until it has been configured with
+ one or more properties for the target network, for example configuring
the network SSID. Default is 0 (do not auto-associate)
-
+
Example: % modprobe ipw2200 associate=0
auto_create
- Set to 0 to disable the auto creation of an Ad-Hoc network
- matching the channel and network name parameters provided.
+ Set to 0 to disable the auto creation of an Ad-Hoc network
+ matching the channel and network name parameters provided.
Default is 1.
channel
channel number for association. The normal method for setting
- the channel would be to use the standard wireless tools
- (i.e. `iwconfig eth1 channel 10`), but it is useful sometimes
+ the channel would be to use the standard wireless tools
+ (i.e. `iwconfig eth1 channel 10`), but it is useful sometimes
to set this while debugging. Channel 0 means 'ANY'
debug
If using a debug build, this is used to control the amount of debug
info is logged. See the 'dvals' and 'load' script for more info on
- how to use this (the dvals and load scripts are provided as part
- of the ipw2200 development snapshot releases available from the
+ how to use this (the dvals and load scripts are provided as part
+ of the ipw2200 development snapshot releases available from the
SourceForge project at http://ipw2200.sf.net)
-
+
led
Can be used to turn on experimental LED code.
0 = Off, 1 = On. Default is 1.
mode
- Can be used to set the default mode of the adapter.
+ Can be used to set the default mode of the adapter.
0 = Managed, 1 = Ad-Hoc, 2 = Monitor
1.3. Wireless Extension Private Methods
------------------------------------------------
+---------------------------------------
-As an interface designed to handle generic hardware, there are certain
-capabilities not exposed through the normal Wireless Tool interface. As
-such, a provision is provided for a driver to declare custom, or
-private, methods. The Intel(R) PRO/Wireless 2915ABG Driver for Linux
+As an interface designed to handle generic hardware, there are certain
+capabilities not exposed through the normal Wireless Tool interface. As
+such, a provision is provided for a driver to declare custom, or
+private, methods. The Intel(R) PRO/Wireless 2915ABG Driver for Linux
defines several of these to configure various settings.
-The general form of using the private wireless methods is:
+The general form of using the private wireless methods is::
% iwpriv $IFNAME method parameters
-Where $IFNAME is the interface name the device is registered with
+Where $IFNAME is the interface name the device is registered with
(typically eth1, customized via one of the various network interface
name managers, such as ifrename)
The supported private methods are:
get_mode
- Can be used to report out which IEEE mode the driver is
+ Can be used to report out which IEEE mode the driver is
configured to support. Example:
-
+
% iwpriv eth1 get_mode
eth1 get_mode:802.11bg (6)
set_mode
- Can be used to configure which IEEE mode the driver will
- support.
+ Can be used to configure which IEEE mode the driver will
+ support.
+
+ Usage::
+
+ % iwpriv eth1 set_mode {mode}
- Usage:
- % iwpriv eth1 set_mode {mode}
Where {mode} is a number in the range 1-7:
+
+ == =====================
1 802.11a (2915 only)
2 802.11b
3 802.11ab (2915 only)
- 4 802.11g
+ 4 802.11g
5 802.11ag (2915 only)
6 802.11bg
7 802.11abg (2915 only)
+ == =====================
get_preamble
Can be used to report configuration of preamble length.
@@ -225,99 +238,123 @@ The supported private methods are:
set_preamble
Can be used to set the configuration of preamble length:
- Usage:
- % iwpriv eth1 set_preamble {mode}
+ Usage::
+
+ % iwpriv eth1 set_preamble {mode}
+
Where {mode} is one of:
+
+ == ========================================
1 Long preamble only
0 Auto (long or short based on connection)
-
+ == ========================================
+
-1.4. Sysfs Helper Files:
------------------------------------------------
+1.4. Sysfs Helper Files
+-----------------------
-The Linux kernel provides a pseudo file system that can be used to
+The Linux kernel provides a pseudo file system that can be used to
access various components of the operating system. The Intel(R)
PRO/Wireless 2915ABG Driver for Linux exposes several configuration
parameters through this mechanism.
-An entry in the sysfs can support reading and/or writing. You can
-typically query the contents of a sysfs entry through the use of cat,
-and can set the contents via echo. For example:
+An entry in the sysfs can support reading and/or writing. You can
+typically query the contents of a sysfs entry through the use of cat,
+and can set the contents via echo. For example::
-% cat /sys/bus/pci/drivers/ipw2200/debug_level
+ % cat /sys/bus/pci/drivers/ipw2200/debug_level
-Will report the current debug level of the driver's logging subsystem
+Will report the current debug level of the driver's logging subsystem
(only available if CONFIG_IPW2200_DEBUG was configured when the driver
was built).
-You can set the debug level via:
+You can set the debug level via::
-% echo $VALUE > /sys/bus/pci/drivers/ipw2200/debug_level
+ % echo $VALUE > /sys/bus/pci/drivers/ipw2200/debug_level
-Where $VALUE would be a number in the case of this sysfs entry. The
-input to sysfs files does not have to be a number. For example, the
-firmware loader used by hotplug utilizes sysfs entries for transferring
+Where $VALUE would be a number in the case of this sysfs entry. The
+input to sysfs files does not have to be a number. For example, the
+firmware loader used by hotplug utilizes sysfs entries for transferring
the firmware image from user space into the driver.
-The Intel(R) PRO/Wireless 2915ABG Driver for Linux exposes sysfs entries
-at two levels -- driver level, which apply to all instances of the driver
-(in the event that there are more than one device installed) and device
+The Intel(R) PRO/Wireless 2915ABG Driver for Linux exposes sysfs entries
+at two levels -- driver level, which apply to all instances of the driver
+(in the event that there are more than one device installed) and device
level, which applies only to the single specific instance.
1.4.1 Driver Level Sysfs Helper Files
------------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
For the driver level files, look in /sys/bus/pci/drivers/ipw2200/
- debug_level
-
+ debug_level
This controls the same global as the 'debug' module parameter
1.4.2 Device Level Sysfs Helper Files
------------------------------------------------
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+For the device level files, look in::
-For the device level files, look in
-
/sys/bus/pci/drivers/ipw2200/{PCI-ID}/
-For example:
+For example:::
+
/sys/bus/pci/drivers/ipw2200/0000:02:01.0
For the device level files, see /sys/bus/pci/drivers/ipw2200:
rf_kill
- read -
- 0 = RF kill not enabled (radio on)
- 1 = SW based RF kill active (radio off)
- 2 = HW based RF kill active (radio off)
- 3 = Both HW and SW RF kill active (radio off)
+ read -
+
+ == =========================================
+ 0 RF kill not enabled (radio on)
+ 1 SW based RF kill active (radio off)
+ 2 HW based RF kill active (radio off)
+ 3 Both HW and SW RF kill active (radio off)
+ == =========================================
+
write -
- 0 = If SW based RF kill active, turn the radio back on
- 1 = If radio is on, activate SW based RF kill
- NOTE: If you enable the SW based RF kill and then toggle the HW
- based RF kill from ON -> OFF -> ON, the radio will NOT come back on
-
- ucode
+ == ==================================================
+ 0 If SW based RF kill active, turn the radio back on
+ 1 If radio is on, activate SW based RF kill
+ == ==================================================
+
+ .. note::
+
+ If you enable the SW based RF kill and then toggle the HW
+ based RF kill from ON -> OFF -> ON, the radio will NOT come back on
+
+ ucode
read-only access to the ucode version number
led
read -
- 0 = LED code disabled
- 1 = LED code enabled
+
+ == =================
+ 0 LED code disabled
+ 1 LED code enabled
+ == =================
+
write -
- 0 = Disable LED code
- 1 = Enable LED code
- NOTE: The LED code has been reported to hang some systems when
- running ifconfig and is therefore disabled by default.
+ == ================
+ 0 Disable LED code
+ 1 Enable LED code
+ == ================
+
+
+ .. note::
+
+ The LED code has been reported to hang some systems when
+ running ifconfig and is therefore disabled by default.
1.5. Supported channels
------------------------------------------------
+-----------------------
Upon loading the Intel(R) PRO/Wireless 2915ABG Driver for Linux, a
message stating the detected geography code and the number of 802.11
@@ -326,44 +363,59 @@ channels supported by the card will be displayed in the log.
The geography code corresponds to a regulatory domain as shown in the
table below.
- Supported channels
-Code Geography 802.11bg 802.11a
-
---- Restricted 11 0
-ZZF Custom US/Canada 11 8
-ZZD Rest of World 13 0
-ZZA Custom USA & Europe & High 11 13
-ZZB Custom NA & Europe 11 13
-ZZC Custom Japan 11 4
-ZZM Custom 11 0
-ZZE Europe 13 19
-ZZJ Custom Japan 14 4
-ZZR Rest of World 14 0
-ZZH High Band 13 4
-ZZG Custom Europe 13 4
-ZZK Europe 13 24
-ZZL Europe 11 13
-
-
-2. Ad-Hoc Networking
------------------------------------------------
-
-When using a device in an Ad-Hoc network, it is useful to understand the
-sequence and requirements for the driver to be able to create, join, or
+ +------+----------------------------+--------------------+
+ | | | Supported channels |
+ | Code | Geography +----------+---------+
+ | | | 802.11bg | 802.11a |
+ +======+============================+==========+=========+
+ | --- | Restricted | 11 | 0 |
+ +------+----------------------------+----------+---------+
+ | ZZF | Custom US/Canada | 11 | 8 |
+ +------+----------------------------+----------+---------+
+ | ZZD | Rest of World | 13 | 0 |
+ +------+----------------------------+----------+---------+
+ | ZZA | Custom USA & Europe & High | 11 | 13 |
+ +------+----------------------------+----------+---------+
+ | ZZB | Custom NA & Europe | 11 | 13 |
+ +------+----------------------------+----------+---------+
+ | ZZC | Custom Japan | 11 | 4 |
+ +------+----------------------------+----------+---------+
+ | ZZM | Custom | 11 | 0 |
+ +------+----------------------------+----------+---------+
+ | ZZE | Europe | 13 | 19 |
+ +------+----------------------------+----------+---------+
+ | ZZJ | Custom Japan | 14 | 4 |
+ +------+----------------------------+----------+---------+
+ | ZZR | Rest of World | 14 | 0 |
+ +------+----------------------------+----------+---------+
+ | ZZH | High Band | 13 | 4 |
+ +------+----------------------------+----------+---------+
+ | ZZG | Custom Europe | 13 | 4 |
+ +------+----------------------------+----------+---------+
+ | ZZK | Europe | 13 | 24 |
+ +------+----------------------------+----------+---------+
+ | ZZL | Europe | 11 | 13 |
+ +------+----------------------------+----------+---------+
+
+2. Ad-Hoc Networking
+=====================
+
+When using a device in an Ad-Hoc network, it is useful to understand the
+sequence and requirements for the driver to be able to create, join, or
merge networks.
-The following attempts to provide enough information so that you can
-have a consistent experience while using the driver as a member of an
+The following attempts to provide enough information so that you can
+have a consistent experience while using the driver as a member of an
Ad-Hoc network.
2.1. Joining an Ad-Hoc Network
------------------------------------------------
+------------------------------
-The easiest way to get onto an Ad-Hoc network is to join one that
+The easiest way to get onto an Ad-Hoc network is to join one that
already exists.
2.2. Creating an Ad-Hoc Network
------------------------------------------------
+-------------------------------
An Ad-Hoc networks is created using the syntax of the Wireless tool.
@@ -371,21 +423,21 @@ For Example:
iwconfig eth1 mode ad-hoc essid testing channel 2
2.3. Merging Ad-Hoc Networks
------------------------------------------------
+----------------------------
-3. Interaction with Wireless Tools
------------------------------------------------
+3. Interaction with Wireless Tools
+==================================
3.1 iwconfig mode
------------------------------------------------
+-----------------
When configuring the mode of the adapter, all run-time configured parameters
are reset to the value used when the module was loaded. This includes
channels, rates, ESSID, etc.
3.2 iwconfig sens
------------------------------------------------
+-----------------
The 'iwconfig ethX sens XX' command will not set the signal sensitivity
threshold, as described in iwconfig documentation, but rather the number
@@ -394,35 +446,35 @@ to another access point. At the same time, it will set the disassociation
threshold to 3 times the given value.
-4. About the Version Numbers
------------------------------------------------
+4. About the Version Numbers
+=============================
-Due to the nature of open source development projects, there are
-frequently changes being incorporated that have not gone through
-a complete validation process. These changes are incorporated into
+Due to the nature of open source development projects, there are
+frequently changes being incorporated that have not gone through
+a complete validation process. These changes are incorporated into
development snapshot releases.
-Releases are numbered with a three level scheme:
+Releases are numbered with a three level scheme:
major.minor.development
Any version where the 'development' portion is 0 (for example
-1.0.0, 1.1.0, etc.) indicates a stable version that will be made
+1.0.0, 1.1.0, etc.) indicates a stable version that will be made
available for kernel inclusion.
Any version where the 'development' portion is not a 0 (for
example 1.0.1, 1.1.5, etc.) indicates a development version that is
-being made available for testing and cutting edge users. The stability
+being made available for testing and cutting edge users. The stability
and functionality of the development releases are not know. We make
efforts to try and keep all snapshots reasonably stable, but due to the
-frequency of their release, and the desire to get those releases
+frequency of their release, and the desire to get those releases
available as quickly as possible, unknown anomalies should be expected.
The major version number will be incremented when significant changes
are made to the driver. Currently, there are no major changes planned.
-5. Firmware installation
-----------------------------------------------
+5. Firmware installation
+========================
The driver requires a firmware image, download it and extract the
files under /lib/firmware (or wherever your hotplug's firmware.agent
@@ -433,40 +485,42 @@ The firmware can be downloaded from the following URL:
http://ipw2200.sf.net/
-6. Support
------------------------------------------------
+6. Support
+==========
-For direct support of the 1.0.0 version, you can contact
+For direct support of the 1.0.0 version, you can contact
http://supportmail.intel.com, or you can use the open source project
support.
For general information and support, go to:
-
+
http://ipw2200.sf.net/
-7. License
------------------------------------------------
+7. License
+==========
- Copyright(c) 2003 - 2006 Intel Corporation. All rights reserved.
+ Copyright |copy| 2003 - 2006 Intel Corporation. All rights reserved.
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License version 2 as
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License version 2 as
published by the Free Software Foundation.
-
- This program is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
-
+
You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc., 59
+ this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
+
The full GNU General Public License is included in this distribution in the
file called LICENSE.
-
+
Contact Information:
+
James P. Ketrenos <ipw2100-admin@linux.intel.com>
+
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
diff --git a/Documentation/networking/device_drivers/intel/ixgb.rst b/Documentation/networking/device_drivers/intel/ixgb.rst
index 945018207a92..ab624f1a44a8 100644
--- a/Documentation/networking/device_drivers/intel/ixgb.rst
+++ b/Documentation/networking/device_drivers/intel/ixgb.rst
@@ -37,7 +37,7 @@ The following features are available in this kernel:
- SNMP
Channel Bonding documentation can be found in the Linux kernel source:
-/Documentation/networking/bonding.txt
+/Documentation/networking/bonding.rst
The driver information previously displayed in the /proc filesystem is not
supported in this release. Alternatively, you can use ethtool (version 1.6
diff --git a/Documentation/networking/device_drivers/microsoft/netvsc.txt b/Documentation/networking/device_drivers/microsoft/netvsc.rst
index cd63556b27a0..c3f51c672a68 100644
--- a/Documentation/networking/device_drivers/microsoft/netvsc.txt
+++ b/Documentation/networking/device_drivers/microsoft/netvsc.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
Hyper-V network driver
======================
@@ -10,15 +13,15 @@ Windows 10.
Features
========
- Checksum offload
- ----------------
+Checksum offload
+----------------
The netvsc driver supports checksum offload as long as the
Hyper-V host version does. Windows Server 2016 and Azure
support checksum offload for TCP and UDP for both IPv4 and
IPv6. Windows Server 2012 only supports checksum offload for TCP.
- Receive Side Scaling
- --------------------
+Receive Side Scaling
+--------------------
Hyper-V supports receive side scaling. For TCP & UDP, packets can
be distributed among available queues based on IP address and port
number.
@@ -32,30 +35,37 @@ Features
hashing. Using L3 hashing is recommended in this case.
For example, for UDP over IPv4 on eth0:
- To include UDP port numbers in hashing:
- ethtool -N eth0 rx-flow-hash udp4 sdfn
- To exclude UDP port numbers in hashing:
- ethtool -N eth0 rx-flow-hash udp4 sd
- To show UDP hash level:
- ethtool -n eth0 rx-flow-hash udp4
-
- Generic Receive Offload, aka GRO
- --------------------------------
+
+ To include UDP port numbers in hashing::
+
+ ethtool -N eth0 rx-flow-hash udp4 sdfn
+
+ To exclude UDP port numbers in hashing::
+
+ ethtool -N eth0 rx-flow-hash udp4 sd
+
+ To show UDP hash level::
+
+ ethtool -n eth0 rx-flow-hash udp4
+
+Generic Receive Offload, aka GRO
+--------------------------------
The driver supports GRO and it is enabled by default. GRO coalesces
like packets and significantly reduces CPU usage under heavy Rx
load.
- Large Receive Offload (LRO), or Receive Side Coalescing (RSC)
- -------------------------------------------------------------
+Large Receive Offload (LRO), or Receive Side Coalescing (RSC)
+-------------------------------------------------------------
The driver supports LRO/RSC in the vSwitch feature. It reduces the per packet
processing overhead by coalescing multiple TCP segments when possible. The
feature is enabled by default on VMs running on Windows Server 2019 and
- later. It may be changed by ethtool command:
+ later. It may be changed by ethtool command::
+
ethtool -K eth0 lro on
ethtool -K eth0 lro off
- SR-IOV support
- --------------
+SR-IOV support
+--------------
Hyper-V supports SR-IOV as a hardware acceleration option. If SR-IOV
is enabled in both the vSwitch and the guest configuration, then the
Virtual Function (VF) device is passed to the guest as a PCI
@@ -70,8 +80,8 @@ Features
flow direction is desired, these should be applied directly to the
VF slave device.
- Receive Buffer
- --------------
+Receive Buffer
+--------------
Packets are received into a receive area which is created when device
is probed. The receive area is broken into MTU sized chunks and each may
contain one or more packets. The number of receive sections may be changed
@@ -83,8 +93,8 @@ Features
will use slower method to handle very large packets or if the send buffer
area is exhausted.
- XDP support
- -----------
+XDP support
+-----------
XDP (eXpress Data Path) is a feature that runs eBPF bytecode at the early
stage when packets arrive at a NIC card. The goal is to increase performance
for packet processing, reducing the overhead of SKB allocation and other
@@ -99,7 +109,8 @@ Features
overwritten by setting of synthetic NIC.
XDP program cannot run with LRO (RSC) enabled, so you need to disable LRO
- before running XDP:
+ before running XDP::
+
ethtool -K eth0 lro off
XDP_REDIRECT action is not yet supported.
diff --git a/Documentation/networking/device_drivers/neterion/s2io.rst b/Documentation/networking/device_drivers/neterion/s2io.rst
new file mode 100644
index 000000000000..c5673ec4559b
--- /dev/null
+++ b/Documentation/networking/device_drivers/neterion/s2io.rst
@@ -0,0 +1,196 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================================================
+Neterion's (Formerly S2io) Xframe I/II PCI-X 10GbE driver
+=========================================================
+
+Release notes for Neterion's (Formerly S2io) Xframe I/II PCI-X 10GbE driver.
+
+.. Contents
+ - 1. Introduction
+ - 2. Identifying the adapter/interface
+ - 3. Features supported
+ - 4. Command line parameters
+ - 5. Performance suggestions
+ - 6. Available Downloads
+
+
+1. Introduction
+===============
+This Linux driver supports Neterion's Xframe I PCI-X 1.0 and
+Xframe II PCI-X 2.0 adapters. It supports several features
+such as jumbo frames, MSI/MSI-X, checksum offloads, TSO, UFO and so on.
+See below for complete list of features.
+
+All features are supported for both IPv4 and IPv6.
+
+2. Identifying the adapter/interface
+====================================
+
+a. Insert the adapter(s) in your system.
+b. Build and load driver::
+
+ # insmod s2io.ko
+
+c. View log messages::
+
+ # dmesg | tail -40
+
+You will see messages similar to::
+
+ eth3: Neterion Xframe I 10GbE adapter (rev 3), Version 2.0.9.1, Intr type INTA
+ eth4: Neterion Xframe II 10GbE adapter (rev 2), Version 2.0.9.1, Intr type INTA
+ eth4: Device is on 64 bit 133MHz PCIX(M1) bus
+
+The above messages identify the adapter type(Xframe I/II), adapter revision,
+driver version, interface name(eth3, eth4), Interrupt type(INTA, MSI, MSI-X).
+In case of Xframe II, the PCI/PCI-X bus width and frequency are displayed
+as well.
+
+To associate an interface with a physical adapter use "ethtool -p <ethX>".
+The corresponding adapter's LED will blink multiple times.
+
+3. Features supported
+=====================
+a. Jumbo frames. Xframe I/II supports MTU up to 9600 bytes,
+ modifiable using ip command.
+
+b. Offloads. Supports checksum offload(TCP/UDP/IP) on transmit
+ and receive, TSO.
+
+c. Multi-buffer receive mode. Scattering of packet across multiple
+ buffers. Currently driver supports 2-buffer mode which yields
+ significant performance improvement on certain platforms(SGI Altix,
+ IBM xSeries).
+
+d. MSI/MSI-X. Can be enabled on platforms which support this feature
+ (IA64, Xeon) resulting in noticeable performance improvement(up to 7%
+ on certain platforms).
+
+e. Statistics. Comprehensive MAC-level and software statistics displayed
+ using "ethtool -S" option.
+
+f. Multi-FIFO/Ring. Supports up to 8 transmit queues and receive rings,
+ with multiple steering options.
+
+4. Command line parameters
+==========================
+
+a. tx_fifo_num
+ Number of transmit queues
+
+Valid range: 1-8
+
+Default: 1
+
+b. rx_ring_num
+ Number of receive rings
+
+Valid range: 1-8
+
+Default: 1
+
+c. tx_fifo_len
+ Size of each transmit queue
+
+Valid range: Total length of all queues should not exceed 8192
+
+Default: 4096
+
+d. rx_ring_sz
+ Size of each receive ring(in 4K blocks)
+
+Valid range: Limited by memory on system
+
+Default: 30
+
+e. intr_type
+ Specifies interrupt type. Possible values 0(INTA), 2(MSI-X)
+
+Valid values: 0, 2
+
+Default: 2
+
+5. Performance suggestions
+==========================
+
+General:
+
+a. Set MTU to maximum(9000 for switch setup, 9600 in back-to-back configuration)
+b. Set TCP windows size to optimal value.
+
+For instance, for MTU=1500 a value of 210K has been observed to result in
+good performance::
+
+ # sysctl -w net.ipv4.tcp_rmem="210000 210000 210000"
+ # sysctl -w net.ipv4.tcp_wmem="210000 210000 210000"
+
+For MTU=9000, TCP window size of 10 MB is recommended::
+
+ # sysctl -w net.ipv4.tcp_rmem="10000000 10000000 10000000"
+ # sysctl -w net.ipv4.tcp_wmem="10000000 10000000 10000000"
+
+Transmit performance:
+
+a. By default, the driver respects BIOS settings for PCI bus parameters.
+ However, you may want to experiment with PCI bus parameters
+ max-split-transactions(MOST) and MMRBC (use setpci command).
+
+ A MOST value of 2 has been found optimal for Opterons and 3 for Itanium.
+
+ It could be different for your hardware.
+
+ Set MMRBC to 4K**.
+
+ For example you can set
+
+ For opteron::
+
+ #setpci -d 17d5:* 62=1d
+
+ For Itanium::
+
+ #setpci -d 17d5:* 62=3d
+
+ For detailed description of the PCI registers, please see Xframe User Guide.
+
+b. Ensure Transmit Checksum offload is enabled. Use ethtool to set/verify this
+ parameter.
+
+c. Turn on TSO(using "ethtool -K")::
+
+ # ethtool -K <ethX> tso on
+
+Receive performance:
+
+a. By default, the driver respects BIOS settings for PCI bus parameters.
+ However, you may want to set PCI latency timer to 248::
+
+ #setpci -d 17d5:* LATENCY_TIMER=f8
+
+ For detailed description of the PCI registers, please see Xframe User Guide.
+
+b. Use 2-buffer mode. This results in large performance boost on
+ certain platforms(eg. SGI Altix, IBM xSeries).
+
+c. Ensure Receive Checksum offload is enabled. Use "ethtool -K ethX" command to
+ set/verify this option.
+
+d. Enable NAPI feature(in kernel configuration Device Drivers ---> Network
+ device support ---> Ethernet (10000 Mbit) ---> S2IO 10Gbe Xframe NIC) to
+ bring down CPU utilization.
+
+.. note::
+
+ For AMD opteron platforms with 8131 chipset, MMRBC=1 and MOST=1 are
+ recommended as safe parameters.
+
+For more information, please review the AMD8131 errata at
+http://vip.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/
+26310_AMD-8131_HyperTransport_PCI-X_Tunnel_Revision_Guide_rev_3_18.pdf
+
+6. Support
+==========
+
+For further support please contact either your 10GbE Xframe NIC vendor (IBM,
+HP, SGI etc.)
diff --git a/Documentation/networking/device_drivers/neterion/s2io.txt b/Documentation/networking/device_drivers/neterion/s2io.txt
deleted file mode 100644
index 0362a42f7cf4..000000000000
--- a/Documentation/networking/device_drivers/neterion/s2io.txt
+++ /dev/null
@@ -1,141 +0,0 @@
-Release notes for Neterion's (Formerly S2io) Xframe I/II PCI-X 10GbE driver.
-
-Contents
-=======
-- 1. Introduction
-- 2. Identifying the adapter/interface
-- 3. Features supported
-- 4. Command line parameters
-- 5. Performance suggestions
-- 6. Available Downloads
-
-
-1. Introduction:
-This Linux driver supports Neterion's Xframe I PCI-X 1.0 and
-Xframe II PCI-X 2.0 adapters. It supports several features
-such as jumbo frames, MSI/MSI-X, checksum offloads, TSO, UFO and so on.
-See below for complete list of features.
-All features are supported for both IPv4 and IPv6.
-
-2. Identifying the adapter/interface:
-a. Insert the adapter(s) in your system.
-b. Build and load driver
-# insmod s2io.ko
-c. View log messages
-# dmesg | tail -40
-You will see messages similar to:
-eth3: Neterion Xframe I 10GbE adapter (rev 3), Version 2.0.9.1, Intr type INTA
-eth4: Neterion Xframe II 10GbE adapter (rev 2), Version 2.0.9.1, Intr type INTA
-eth4: Device is on 64 bit 133MHz PCIX(M1) bus
-
-The above messages identify the adapter type(Xframe I/II), adapter revision,
-driver version, interface name(eth3, eth4), Interrupt type(INTA, MSI, MSI-X).
-In case of Xframe II, the PCI/PCI-X bus width and frequency are displayed
-as well.
-
-To associate an interface with a physical adapter use "ethtool -p <ethX>".
-The corresponding adapter's LED will blink multiple times.
-
-3. Features supported:
-a. Jumbo frames. Xframe I/II supports MTU up to 9600 bytes,
-modifiable using ip command.
-
-b. Offloads. Supports checksum offload(TCP/UDP/IP) on transmit
-and receive, TSO.
-
-c. Multi-buffer receive mode. Scattering of packet across multiple
-buffers. Currently driver supports 2-buffer mode which yields
-significant performance improvement on certain platforms(SGI Altix,
-IBM xSeries).
-
-d. MSI/MSI-X. Can be enabled on platforms which support this feature
-(IA64, Xeon) resulting in noticeable performance improvement(up to 7%
-on certain platforms).
-
-e. Statistics. Comprehensive MAC-level and software statistics displayed
-using "ethtool -S" option.
-
-f. Multi-FIFO/Ring. Supports up to 8 transmit queues and receive rings,
-with multiple steering options.
-
-4. Command line parameters
-a. tx_fifo_num
-Number of transmit queues
-Valid range: 1-8
-Default: 1
-
-b. rx_ring_num
-Number of receive rings
-Valid range: 1-8
-Default: 1
-
-c. tx_fifo_len
-Size of each transmit queue
-Valid range: Total length of all queues should not exceed 8192
-Default: 4096
-
-d. rx_ring_sz
-Size of each receive ring(in 4K blocks)
-Valid range: Limited by memory on system
-Default: 30
-
-e. intr_type
-Specifies interrupt type. Possible values 0(INTA), 2(MSI-X)
-Valid values: 0, 2
-Default: 2
-
-5. Performance suggestions
-General:
-a. Set MTU to maximum(9000 for switch setup, 9600 in back-to-back configuration)
-b. Set TCP windows size to optimal value.
-For instance, for MTU=1500 a value of 210K has been observed to result in
-good performance.
-# sysctl -w net.ipv4.tcp_rmem="210000 210000 210000"
-# sysctl -w net.ipv4.tcp_wmem="210000 210000 210000"
-For MTU=9000, TCP window size of 10 MB is recommended.
-# sysctl -w net.ipv4.tcp_rmem="10000000 10000000 10000000"
-# sysctl -w net.ipv4.tcp_wmem="10000000 10000000 10000000"
-
-Transmit performance:
-a. By default, the driver respects BIOS settings for PCI bus parameters.
-However, you may want to experiment with PCI bus parameters
-max-split-transactions(MOST) and MMRBC (use setpci command).
-A MOST value of 2 has been found optimal for Opterons and 3 for Itanium.
-It could be different for your hardware.
-Set MMRBC to 4K**.
-
-For example you can set
-For opteron
-#setpci -d 17d5:* 62=1d
-For Itanium
-#setpci -d 17d5:* 62=3d
-
-For detailed description of the PCI registers, please see Xframe User Guide.
-
-b. Ensure Transmit Checksum offload is enabled. Use ethtool to set/verify this
-parameter.
-c. Turn on TSO(using "ethtool -K")
-# ethtool -K <ethX> tso on
-
-Receive performance:
-a. By default, the driver respects BIOS settings for PCI bus parameters.
-However, you may want to set PCI latency timer to 248.
-#setpci -d 17d5:* LATENCY_TIMER=f8
-For detailed description of the PCI registers, please see Xframe User Guide.
-b. Use 2-buffer mode. This results in large performance boost on
-certain platforms(eg. SGI Altix, IBM xSeries).
-c. Ensure Receive Checksum offload is enabled. Use "ethtool -K ethX" command to
-set/verify this option.
-d. Enable NAPI feature(in kernel configuration Device Drivers ---> Network
-device support ---> Ethernet (10000 Mbit) ---> S2IO 10Gbe Xframe NIC) to
-bring down CPU utilization.
-
-** For AMD opteron platforms with 8131 chipset, MMRBC=1 and MOST=1 are
-recommended as safe parameters.
-For more information, please review the AMD8131 errata at
-http://vip.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/
-26310_AMD-8131_HyperTransport_PCI-X_Tunnel_Revision_Guide_rev_3_18.pdf
-
-6. Support
-For further support please contact either your 10GbE Xframe NIC vendor (IBM,
-HP, SGI etc.)
diff --git a/Documentation/networking/device_drivers/neterion/vxge.txt b/Documentation/networking/device_drivers/neterion/vxge.rst
index abfec245f97c..589c6b15c63d 100644
--- a/Documentation/networking/device_drivers/neterion/vxge.txt
+++ b/Documentation/networking/device_drivers/neterion/vxge.rst
@@ -1,24 +1,30 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================================================================
Neterion's (Formerly S2io) X3100 Series 10GbE PCIe Server Adapter Linux driver
==============================================================================
-Contents
---------
+.. Contents
+
+ 1) Introduction
+ 2) Features supported
+ 3) Configurable driver parameters
+ 4) Troubleshooting
-1) Introduction
-2) Features supported
-3) Configurable driver parameters
-4) Troubleshooting
+1. Introduction
+===============
-1) Introduction:
-----------------
This Linux driver supports all Neterion's X3100 series 10 GbE PCIe I/O
Virtualized Server adapters.
+
The X3100 series supports four modes of operation, configurable via
-firmware -
- Single function mode
- Multi function mode
- SRIOV mode
- MRIOV mode
+firmware:
+
+ - Single function mode
+ - Multi function mode
+ - SRIOV mode
+ - MRIOV mode
+
The functions share a 10GbE link and the pci-e bus, but hardly anything else
inside the ASIC. Features like independent hw reset, statistics, bandwidth/
priority allocation and guarantees, GRO, TSO, interrupt moderation etc are
@@ -26,41 +32,49 @@ supported independently on each function.
(See below for a complete list of features supported for both IPv4 and IPv6)
-2) Features supported:
-----------------------
+2. Features supported
+=====================
i) Single function mode (up to 17 queues)
ii) Multi function mode (up to 17 functions)
iii) PCI-SIG's I/O Virtualization
+
- Single Root mode: v1.0 (up to 17 functions)
- Multi-Root mode: v1.0 (up to 17 functions)
iv) Jumbo frames
+
X3100 Series supports MTU up to 9600 bytes, modifiable using
ip command.
v) Offloads supported: (Enabled by default)
- Checksum offload (TCP/UDP/IP) on transmit and receive paths
- TCP Segmentation Offload (TSO) on transmit path
- Generic Receive Offload (GRO) on receive path
+
+ - Checksum offload (TCP/UDP/IP) on transmit and receive paths
+ - TCP Segmentation Offload (TSO) on transmit path
+ - Generic Receive Offload (GRO) on receive path
vi) MSI-X: (Enabled by default)
+
Resulting in noticeable performance improvement (up to 7% on certain
platforms).
vii) NAPI: (Enabled by default)
+
For better Rx interrupt moderation.
viii)RTH (Receive Traffic Hash): (Enabled by default)
+
Receive side steering for better scaling.
ix) Statistics
+
Comprehensive MAC-level and software statistics displayed using
"ethtool -S" option.
x) Multiple hardware queues: (Enabled by default)
+
Up to 17 hardware based transmit and receive data channels, with
multiple steering options (transmit multiqueue enabled by default).
@@ -69,25 +83,33 @@ x) Multiple hardware queues: (Enabled by default)
i) max_config_dev
Specifies maximum device functions to be enabled.
+
Valid range: 1-8
ii) max_config_port
Specifies number of ports to be enabled.
+
Valid range: 1,2
+
Default: 1
-iii)max_config_vpath
+iii) max_config_vpath
Specifies maximum VPATH(s) configured for each device function.
+
Valid range: 1-17
iv) vlan_tag_strip
Enables/disables vlan tag stripping from all received tagged frames that
are not replicated at the internal L2 switch.
+
Valid range: 0,1 (disabled, enabled respectively)
+
Default: 1
v) addr_learn_en
Enable learning the mac address of the guest OS interface in
virtualization environment.
+
Valid range: 0,1 (disabled, enabled respectively)
+
Default: 0
diff --git a/Documentation/networking/device_drivers/pensando/ionic.rst b/Documentation/networking/device_drivers/pensando/ionic.rst
index c17d680cf334..0eabbc347d6c 100644
--- a/Documentation/networking/device_drivers/pensando/ionic.rst
+++ b/Documentation/networking/device_drivers/pensando/ionic.rst
@@ -11,6 +11,9 @@ Contents
========
- Identifying the Adapter
+- Enabling the driver
+- Configuring the driver
+- Statistics
- Support
Identifying the Adapter
@@ -28,12 +31,238 @@ and configure them for use. There should be log entries in the kernel
messages such as these::
$ dmesg | grep ionic
- ionic Pensando Ethernet NIC Driver, ver 0.15.0-k
+ ionic 0000:b5:00.0: 126.016 Gb/s available PCIe bandwidth (8.0 GT/s PCIe x16 link)
ionic 0000:b5:00.0 enp181s0: renamed from eth0
+ ionic 0000:b5:00.0 enp181s0: Link up - 100 Gbps
+ ionic 0000:b6:00.0: 126.016 Gb/s available PCIe bandwidth (8.0 GT/s PCIe x16 link)
ionic 0000:b6:00.0 enp182s0: renamed from eth0
+ ionic 0000:b6:00.0 enp182s0: Link up - 100 Gbps
+
+Driver and firmware version information can be gathered with either of
+ethtool or devlink tools::
+
+ $ ethtool -i enp181s0
+ driver: ionic
+ version: 5.7.0
+ firmware-version: 1.8.0-28
+ ...
+
+ $ devlink dev info pci/0000:b5:00.0
+ pci/0000:b5:00.0:
+ driver ionic
+ serial_number FLM18420073
+ versions:
+ fixed:
+ asic.id 0x0
+ asic.rev 0x0
+ running:
+ fw 1.8.0-28
+
+See Documentation/networking/devlink/ionic.rst for more information
+on the devlink dev info data.
+
+Enabling the driver
+===================
+
+The driver is enabled via the standard kernel configuration system,
+using the make command::
+
+ make oldconfig/menuconfig/etc.
+
+The driver is located in the menu structure at:
+
+ -> Device Drivers
+ -> Network device support (NETDEVICES [=y])
+ -> Ethernet driver support
+ -> Pensando devices
+ -> Pensando Ethernet IONIC Support
+
+Configuring the Driver
+======================
+
+MTU
+---
+
+Jumbo frame support is available with a maximim size of 9194 bytes.
+
+Interrupt coalescing
+--------------------
+
+Interrupt coalescing can be configured by changing the rx-usecs value with
+the "ethtool -C" command. The rx-usecs range is 0-190. The tx-usecs value
+reflects the rx-usecs value as they are tied together on the same interrupt.
+
+SR-IOV
+------
+
+Minimal SR-IOV support is currently offered and can be enabled by setting
+the sysfs 'sriov_numvfs' value, if supported by your particular firmware
+configuration.
+
+Statistics
+==========
+
+Basic hardware stats
+--------------------
+
+The commands ``netstat -i``, ``ip -s link show``, and ``ifconfig`` show
+a limited set of statistics taken directly from firmware. For example::
+
+ $ ip -s link show enp181s0
+ 7: enp181s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
+ link/ether 00:ae:cd:00:07:68 brd ff:ff:ff:ff:ff:ff
+ RX: bytes packets errors dropped overrun mcast
+ 414 5 0 0 0 0
+ TX: bytes packets errors dropped carrier collsns
+ 1384 18 0 0 0 0
+
+ethtool -S
+----------
+
+The statistics shown from the ``ethtool -S`` command includes a combination of
+driver counters and firmware counters, including port and queue specific values.
+The driver values are counters computed by the driver, and the firmware values
+are gathered by the firmware from the port hardware and passed through the
+driver with no further interpretation.
+
+Driver port specific::
+
+ tx_packets: 12
+ tx_bytes: 964
+ rx_packets: 5
+ rx_bytes: 414
+ tx_tso: 0
+ tx_tso_bytes: 0
+ tx_csum_none: 12
+ tx_csum: 0
+ rx_csum_none: 0
+ rx_csum_complete: 3
+ rx_csum_error: 0
+
+Driver queue specific::
+
+ tx_0_pkts: 3
+ tx_0_bytes: 294
+ tx_0_clean: 3
+ tx_0_dma_map_err: 0
+ tx_0_linearize: 0
+ tx_0_frags: 0
+ tx_0_tso: 0
+ tx_0_tso_bytes: 0
+ tx_0_csum_none: 3
+ tx_0_csum: 0
+ tx_0_vlan_inserted: 0
+ rx_0_pkts: 2
+ rx_0_bytes: 120
+ rx_0_dma_map_err: 0
+ rx_0_alloc_err: 0
+ rx_0_csum_none: 0
+ rx_0_csum_complete: 0
+ rx_0_csum_error: 0
+ rx_0_dropped: 0
+ rx_0_vlan_stripped: 0
+
+Firmware port specific::
+
+ hw_tx_dropped: 0
+ hw_rx_dropped: 0
+ hw_rx_over_errors: 0
+ hw_rx_missed_errors: 0
+ hw_tx_aborted_errors: 0
+ frames_rx_ok: 15
+ frames_rx_all: 15
+ frames_rx_bad_fcs: 0
+ frames_rx_bad_all: 0
+ octets_rx_ok: 1290
+ octets_rx_all: 1290
+ frames_rx_unicast: 10
+ frames_rx_multicast: 5
+ frames_rx_broadcast: 0
+ frames_rx_pause: 0
+ frames_rx_bad_length: 0
+ frames_rx_undersized: 0
+ frames_rx_oversized: 0
+ frames_rx_fragments: 0
+ frames_rx_jabber: 0
+ frames_rx_pripause: 0
+ frames_rx_stomped_crc: 0
+ frames_rx_too_long: 0
+ frames_rx_vlan_good: 3
+ frames_rx_dropped: 0
+ frames_rx_less_than_64b: 0
+ frames_rx_64b: 4
+ frames_rx_65b_127b: 11
+ frames_rx_128b_255b: 0
+ frames_rx_256b_511b: 0
+ frames_rx_512b_1023b: 0
+ frames_rx_1024b_1518b: 0
+ frames_rx_1519b_2047b: 0
+ frames_rx_2048b_4095b: 0
+ frames_rx_4096b_8191b: 0
+ frames_rx_8192b_9215b: 0
+ frames_rx_other: 0
+ frames_tx_ok: 31
+ frames_tx_all: 31
+ frames_tx_bad: 0
+ octets_tx_ok: 2614
+ octets_tx_total: 2614
+ frames_tx_unicast: 8
+ frames_tx_multicast: 21
+ frames_tx_broadcast: 2
+ frames_tx_pause: 0
+ frames_tx_pripause: 0
+ frames_tx_vlan: 0
+ frames_tx_less_than_64b: 0
+ frames_tx_64b: 4
+ frames_tx_65b_127b: 27
+ frames_tx_128b_255b: 0
+ frames_tx_256b_511b: 0
+ frames_tx_512b_1023b: 0
+ frames_tx_1024b_1518b: 0
+ frames_tx_1519b_2047b: 0
+ frames_tx_2048b_4095b: 0
+ frames_tx_4096b_8191b: 0
+ frames_tx_8192b_9215b: 0
+ frames_tx_other: 0
+ frames_tx_pri_0: 0
+ frames_tx_pri_1: 0
+ frames_tx_pri_2: 0
+ frames_tx_pri_3: 0
+ frames_tx_pri_4: 0
+ frames_tx_pri_5: 0
+ frames_tx_pri_6: 0
+ frames_tx_pri_7: 0
+ frames_rx_pri_0: 0
+ frames_rx_pri_1: 0
+ frames_rx_pri_2: 0
+ frames_rx_pri_3: 0
+ frames_rx_pri_4: 0
+ frames_rx_pri_5: 0
+ frames_rx_pri_6: 0
+ frames_rx_pri_7: 0
+ tx_pripause_0_1us_count: 0
+ tx_pripause_1_1us_count: 0
+ tx_pripause_2_1us_count: 0
+ tx_pripause_3_1us_count: 0
+ tx_pripause_4_1us_count: 0
+ tx_pripause_5_1us_count: 0
+ tx_pripause_6_1us_count: 0
+ tx_pripause_7_1us_count: 0
+ rx_pripause_0_1us_count: 0
+ rx_pripause_1_1us_count: 0
+ rx_pripause_2_1us_count: 0
+ rx_pripause_3_1us_count: 0
+ rx_pripause_4_1us_count: 0
+ rx_pripause_5_1us_count: 0
+ rx_pripause_6_1us_count: 0
+ rx_pripause_7_1us_count: 0
+ rx_pause_1us_count: 0
+ frames_tx_truncated: 0
+
Support
=======
+
For general Linux networking support, please use the netdev mailing
list, which is monitored by Pensando personnel::
diff --git a/Documentation/networking/device_drivers/qualcomm/rmnet.txt b/Documentation/networking/device_drivers/qualcomm/rmnet.rst
index 6b341eaf2062..70643b58de05 100644
--- a/Documentation/networking/device_drivers/qualcomm/rmnet.txt
+++ b/Documentation/networking/device_drivers/qualcomm/rmnet.rst
@@ -1,4 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+Rmnet Driver
+============
+
1. Introduction
+===============
rmnet driver is used for supporting the Multiplexing and aggregation
Protocol (MAP). This protocol is used by all recent chipsets using Qualcomm
@@ -18,17 +25,18 @@ sending aggregated bunch of MAP frames. rmnet driver will de-aggregate
these MAP frames and send them to appropriate PDN's.
2. Packet format
+================
a. MAP packet (data / control)
MAP header has the same endianness of the IP packet.
-Packet format -
+Packet format::
-Bit 0 1 2-7 8 - 15 16 - 31
-Function Command / Data Reserved Pad Multiplexer ID Payload length
-Bit 32 - x
-Function Raw Bytes
+ Bit 0 1 2-7 8 - 15 16 - 31
+ Function Command / Data Reserved Pad Multiplexer ID Payload length
+ Bit 32 - x
+ Function Raw Bytes
Command (1)/ Data (0) bit value is to indicate if the packet is a MAP command
or data packet. Control packet is used for transport level flow control. Data
@@ -44,24 +52,27 @@ Multiplexer ID is to indicate the PDN on which data has to be sent.
Payload length includes the padding length but does not include MAP header
length.
-b. MAP packet (command specific)
+b. MAP packet (command specific)::
-Bit 0 1 2-7 8 - 15 16 - 31
-Function Command Reserved Pad Multiplexer ID Payload length
-Bit 32 - 39 40 - 45 46 - 47 48 - 63
-Function Command name Reserved Command Type Reserved
-Bit 64 - 95
-Function Transaction ID
-Bit 96 - 127
-Function Command data
+ Bit 0 1 2-7 8 - 15 16 - 31
+ Function Command Reserved Pad Multiplexer ID Payload length
+ Bit 32 - 39 40 - 45 46 - 47 48 - 63
+ Function Command name Reserved Command Type Reserved
+ Bit 64 - 95
+ Function Transaction ID
+ Bit 96 - 127
+ Function Command data
Command 1 indicates disabling flow while 2 is enabling flow
-Command types -
+Command types
+
+= ==========================================
0 for MAP command request
1 is to acknowledge the receipt of a command
2 is for unsupported commands
3 is for error during processing of commands
+= ==========================================
c. Aggregation
@@ -71,9 +82,11 @@ packets and either ACK the MAP command or deliver the IP packet to the
network stack as needed
MAP header|IP Packet|Optional padding|MAP header|IP Packet|Optional padding....
+
MAP header|IP Packet|Optional padding|MAP header|Command Packet|Optional pad...
3. Userspace configuration
+==========================
rmnet userspace configuration is done through netlink library librmnetctl
and command line utility rmnetcli. Utility is hosted in codeaurora forum git.
diff --git a/Documentation/networking/device_drivers/sb1000.rst b/Documentation/networking/device_drivers/sb1000.rst
new file mode 100644
index 000000000000..c8582ca4034d
--- /dev/null
+++ b/Documentation/networking/device_drivers/sb1000.rst
@@ -0,0 +1,222 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================
+SB100 device driver
+===================
+
+sb1000 is a module network device driver for the General Instrument (also known
+as NextLevel) SURFboard1000 internal cable modem board. This is an ISA card
+which is used by a number of cable TV companies to provide cable modem access.
+It's a one-way downstream-only cable modem, meaning that your upstream net link
+is provided by your regular phone modem.
+
+This driver was written by Franco Venturi <fventuri@mediaone.net>. He deserves
+a great deal of thanks for this wonderful piece of code!
+
+Needed tools
+============
+
+Support for this device is now a part of the standard Linux kernel. The
+driver source code file is drivers/net/sb1000.c. In addition to this
+you will need:
+
+1. The "cmconfig" program. This is a utility which supplements "ifconfig"
+ to configure the cable modem and network interface (usually called "cm0");
+
+2. Several PPP scripts which live in /etc/ppp to make connecting via your
+ cable modem easy.
+
+ These utilities can be obtained from:
+
+ http://www.jacksonville.net/~fventuri/
+
+ in Franco's original source code distribution .tar.gz file. Support for
+ the sb1000 driver can be found at:
+
+ - http://web.archive.org/web/%2E/http://home.adelphia.net/~siglercm/sb1000.html
+ - http://web.archive.org/web/%2E/http://linuxpower.cx/~cable/
+
+ along with these utilities.
+
+3. The standard isapnp tools. These are necessary to configure your SB1000
+ card at boot time (or afterwards by hand) since it's a PnP card.
+
+ If you don't have these installed as a standard part of your Linux
+ distribution, you can find them at:
+
+ http://www.roestock.demon.co.uk/isapnptools/
+
+ or check your Linux distribution binary CD or their web site. For help with
+ isapnp, pnpdump, or /etc/isapnp.conf, go to:
+
+ http://www.roestock.demon.co.uk/isapnptools/isapnpfaq.html
+
+Using the driver
+================
+
+To make the SB1000 card work, follow these steps:
+
+1. Run ``make config``, or ``make menuconfig``, or ``make xconfig``, whichever
+ you prefer, in the top kernel tree directory to set up your kernel
+ configuration. Make sure to say "Y" to "Prompt for development drivers"
+ and to say "M" to the sb1000 driver. Also say "Y" or "M" to all the standard
+ networking questions to get TCP/IP and PPP networking support.
+
+2. **BEFORE** you build the kernel, edit drivers/net/sb1000.c. Make sure
+ to redefine the value of READ_DATA_PORT to match the I/O address used
+ by isapnp to access your PnP cards. This is the value of READPORT in
+ /etc/isapnp.conf or given by the output of pnpdump.
+
+3. Build and install the kernel and modules as usual.
+
+4. Boot your new kernel following the usual procedures.
+
+5. Set up to configure the new SB1000 PnP card by capturing the output
+ of "pnpdump" to a file and editing this file to set the correct I/O ports,
+ IRQ, and DMA settings for all your PnP cards. Make sure none of the settings
+ conflict with one another. Then test this configuration by running the
+ "isapnp" command with your new config file as the input. Check for
+ errors and fix as necessary. (As an aside, I use I/O ports 0x110 and
+ 0x310 and IRQ 11 for my SB1000 card and these work well for me. YMMV.)
+ Then save the finished config file as /etc/isapnp.conf for proper
+ configuration on subsequent reboots.
+
+6. Download the original file sb1000-1.1.2.tar.gz from Franco's site or one of
+ the others referenced above. As root, unpack it into a temporary directory
+ and do a ``make cmconfig`` and then ``install -c cmconfig /usr/local/sbin``.
+ Don't do ``make install`` because it expects to find all the utilities built
+ and ready for installation, not just cmconfig.
+
+7. As root, copy all the files under the ppp/ subdirectory in Franco's
+ tar file into /etc/ppp, being careful not to overwrite any files that are
+ already in there. Then modify ppp@gi-on to set the correct login name,
+ phone number, and frequency for the cable modem. Also edit pap-secrets
+ to specify your login name and password and any site-specific information
+ you need.
+
+8. Be sure to modify /etc/ppp/firewall to use ipchains instead of
+ the older ipfwadm commands from the 2.0.x kernels. There's a neat utility to
+ convert ipfwadm commands to ipchains commands:
+
+ http://users.dhp.com/~whisper/ipfwadm2ipchains/
+
+ You may also wish to modify the firewall script to implement a different
+ firewalling scheme.
+
+9. Start the PPP connection via the script /etc/ppp/ppp@gi-on. You must be
+ root to do this. It's better to use a utility like sudo to execute
+ frequently used commands like this with root permissions if possible. If you
+ connect successfully the cable modem interface will come up and you'll see a
+ driver message like this at the console::
+
+ cm0: sb1000 at (0x110,0x310), csn 1, S/N 0x2a0d16d8, IRQ 11.
+ sb1000.c:v1.1.2 6/01/98 (fventuri@mediaone.net)
+
+ The "ifconfig" command should show two new interfaces, ppp0 and cm0.
+
+ The command "cmconfig cm0" will give you information about the cable modem
+ interface.
+
+10. Try pinging a site via ``ping -c 5 www.yahoo.com``, for example. You should
+ see packets received.
+
+11. If you can't get site names (like www.yahoo.com) to resolve into
+ IP addresses (like 204.71.200.67), be sure your /etc/resolv.conf file
+ has no syntax errors and has the right nameserver IP addresses in it.
+ If this doesn't help, try something like ``ping -c 5 204.71.200.67`` to
+ see if the networking is running but the DNS resolution is where the
+ problem lies.
+
+12. If you still have problems, go to the support web sites mentioned above
+ and read the information and documentation there.
+
+Common problems
+===============
+
+1. Packets go out on the ppp0 interface but don't come back on the cm0
+ interface. It looks like I'm connected but I can't even ping any
+ numerical IP addresses. (This happens predominantly on Debian systems due
+ to a default boot-time configuration script.)
+
+Solution
+ As root ``echo 0 > /proc/sys/net/ipv4/conf/cm0/rp_filter`` so it
+ can share the same IP address as the ppp0 interface. Note that this
+ command should probably be added to the /etc/ppp/cablemodem script
+ *right*between* the "/sbin/ifconfig" and "/sbin/cmconfig" commands.
+ You may need to do this to /proc/sys/net/ipv4/conf/ppp0/rp_filter as well.
+ If you do this to /proc/sys/net/ipv4/conf/default/rp_filter on each reboot
+ (in rc.local or some such) then any interfaces can share the same IP
+ addresses.
+
+2. I get "unresolved symbol" error messages on executing ``insmod sb1000.o``.
+
+Solution
+ You probably have a non-matching kernel source tree and
+ /usr/include/linux and /usr/include/asm header files. Make sure you
+ install the correct versions of the header files in these two directories.
+ Then rebuild and reinstall the kernel.
+
+3. When isapnp runs it reports an error, and my SB1000 card isn't working.
+
+Solution
+ There's a problem with later versions of isapnp using the "(CHECK)"
+ option in the lines that allocate the two I/O addresses for the SB1000 card.
+ This first popped up on RH 6.0. Delete "(CHECK)" for the SB1000 I/O addresses.
+ Make sure they don't conflict with any other pieces of hardware first! Then
+ rerun isapnp and go from there.
+
+4. I can't execute the /etc/ppp/ppp@gi-on file.
+
+Solution
+ As root do ``chmod ug+x /etc/ppp/ppp@gi-on``.
+
+5. The firewall script isn't working (with 2.2.x and higher kernels).
+
+Solution
+ Use the ipfwadm2ipchains script referenced above to convert the
+ /etc/ppp/firewall script from the deprecated ipfwadm commands to ipchains.
+
+6. I'm getting *tons* of firewall deny messages in the /var/kern.log,
+ /var/messages, and/or /var/syslog files, and they're filling up my /var
+ partition!!!
+
+Solution
+ First, tell your ISP that you're receiving DoS (Denial of Service)
+ and/or portscanning (UDP connection attempts) attacks! Look over the deny
+ messages to figure out what the attack is and where it's coming from. Next,
+ edit /etc/ppp/cablemodem and make sure the ",nobroadcast" option is turned on
+ to the "cmconfig" command (uncomment that line). If you're not receiving these
+ denied packets on your broadcast interface (IP address xxx.yyy.zzz.255
+ typically), then someone is attacking your machine in particular. Be careful
+ out there....
+
+7. Everything seems to work fine but my computer locks up after a while
+ (and typically during a lengthy download through the cable modem)!
+
+Solution
+ You may need to add a short delay in the driver to 'slow down' the
+ SURFboard because your PC might not be able to keep up with the transfer rate
+ of the SB1000. To do this, it's probably best to download Franco's
+ sb1000-1.1.2.tar.gz archive and build and install sb1000.o manually. You'll
+ want to edit the 'Makefile' and look for the 'SB1000_DELAY'
+ define. Uncomment those 'CFLAGS' lines (and comment out the default ones)
+ and try setting the delay to something like 60 microseconds with:
+ '-DSB1000_DELAY=60'. Then do ``make`` and as root ``make install`` and try
+ it out. If it still doesn't work or you like playing with the driver, you may
+ try other numbers. Remember though that the higher the delay, the slower the
+ driver (which slows down the rest of the PC too when it is actively
+ used). Thanks to Ed Daiga for this tip!
+
+Credits
+=======
+
+This README came from Franco Venturi's original README file which is
+still supplied with his driver .tar.gz archive. I and all other sb1000 users
+owe Franco a tremendous "Thank you!" Additional thanks goes to Carl Patten
+and Ralph Bonnell who are now managing the Linux SB1000 web site, and to
+the SB1000 users who reported and helped debug the common problems listed
+above.
+
+
+ Clemmitt Sigler
+ csigler@vt.edu
diff --git a/Documentation/networking/device_drivers/sb1000.txt b/Documentation/networking/device_drivers/sb1000.txt
deleted file mode 100644
index f92c2aac56a9..000000000000
--- a/Documentation/networking/device_drivers/sb1000.txt
+++ /dev/null
@@ -1,207 +0,0 @@
-sb1000 is a module network device driver for the General Instrument (also known
-as NextLevel) SURFboard1000 internal cable modem board. This is an ISA card
-which is used by a number of cable TV companies to provide cable modem access.
-It's a one-way downstream-only cable modem, meaning that your upstream net link
-is provided by your regular phone modem.
-
-This driver was written by Franco Venturi <fventuri@mediaone.net>. He deserves
-a great deal of thanks for this wonderful piece of code!
-
------------------------------------------------------------------------------
-
-Support for this device is now a part of the standard Linux kernel. The
-driver source code file is drivers/net/sb1000.c. In addition to this
-you will need:
-
-1.) The "cmconfig" program. This is a utility which supplements "ifconfig"
-to configure the cable modem and network interface (usually called "cm0");
-and
-
-2.) Several PPP scripts which live in /etc/ppp to make connecting via your
-cable modem easy.
-
- These utilities can be obtained from:
-
- http://www.jacksonville.net/~fventuri/
-
- in Franco's original source code distribution .tar.gz file. Support for
- the sb1000 driver can be found at:
-
- http://web.archive.org/web/*/http://home.adelphia.net/~siglercm/sb1000.html
- http://web.archive.org/web/*/http://linuxpower.cx/~cable/
-
- along with these utilities.
-
-3.) The standard isapnp tools. These are necessary to configure your SB1000
-card at boot time (or afterwards by hand) since it's a PnP card.
-
- If you don't have these installed as a standard part of your Linux
- distribution, you can find them at:
-
- http://www.roestock.demon.co.uk/isapnptools/
-
- or check your Linux distribution binary CD or their web site. For help with
- isapnp, pnpdump, or /etc/isapnp.conf, go to:
-
- http://www.roestock.demon.co.uk/isapnptools/isapnpfaq.html
-
------------------------------------------------------------------------------
-
-To make the SB1000 card work, follow these steps:
-
-1.) Run `make config', or `make menuconfig', or `make xconfig', whichever
-you prefer, in the top kernel tree directory to set up your kernel
-configuration. Make sure to say "Y" to "Prompt for development drivers"
-and to say "M" to the sb1000 driver. Also say "Y" or "M" to all the standard
-networking questions to get TCP/IP and PPP networking support.
-
-2.) *BEFORE* you build the kernel, edit drivers/net/sb1000.c. Make sure
-to redefine the value of READ_DATA_PORT to match the I/O address used
-by isapnp to access your PnP cards. This is the value of READPORT in
-/etc/isapnp.conf or given by the output of pnpdump.
-
-3.) Build and install the kernel and modules as usual.
-
-4.) Boot your new kernel following the usual procedures.
-
-5.) Set up to configure the new SB1000 PnP card by capturing the output
-of "pnpdump" to a file and editing this file to set the correct I/O ports,
-IRQ, and DMA settings for all your PnP cards. Make sure none of the settings
-conflict with one another. Then test this configuration by running the
-"isapnp" command with your new config file as the input. Check for
-errors and fix as necessary. (As an aside, I use I/O ports 0x110 and
-0x310 and IRQ 11 for my SB1000 card and these work well for me. YMMV.)
-Then save the finished config file as /etc/isapnp.conf for proper configuration
-on subsequent reboots.
-
-6.) Download the original file sb1000-1.1.2.tar.gz from Franco's site or one of
-the others referenced above. As root, unpack it into a temporary directory and
-do a `make cmconfig' and then `install -c cmconfig /usr/local/sbin'. Don't do
-`make install' because it expects to find all the utilities built and ready for
-installation, not just cmconfig.
-
-7.) As root, copy all the files under the ppp/ subdirectory in Franco's
-tar file into /etc/ppp, being careful not to overwrite any files that are
-already in there. Then modify ppp@gi-on to set the correct login name,
-phone number, and frequency for the cable modem. Also edit pap-secrets
-to specify your login name and password and any site-specific information
-you need.
-
-8.) Be sure to modify /etc/ppp/firewall to use ipchains instead of
-the older ipfwadm commands from the 2.0.x kernels. There's a neat utility to
-convert ipfwadm commands to ipchains commands:
-
- http://users.dhp.com/~whisper/ipfwadm2ipchains/
-
-You may also wish to modify the firewall script to implement a different
-firewalling scheme.
-
-9.) Start the PPP connection via the script /etc/ppp/ppp@gi-on. You must be
-root to do this. It's better to use a utility like sudo to execute
-frequently used commands like this with root permissions if possible. If you
-connect successfully the cable modem interface will come up and you'll see a
-driver message like this at the console:
-
- cm0: sb1000 at (0x110,0x310), csn 1, S/N 0x2a0d16d8, IRQ 11.
- sb1000.c:v1.1.2 6/01/98 (fventuri@mediaone.net)
-
-The "ifconfig" command should show two new interfaces, ppp0 and cm0.
-The command "cmconfig cm0" will give you information about the cable modem
-interface.
-
-10.) Try pinging a site via `ping -c 5 www.yahoo.com', for example. You should
-see packets received.
-
-11.) If you can't get site names (like www.yahoo.com) to resolve into
-IP addresses (like 204.71.200.67), be sure your /etc/resolv.conf file
-has no syntax errors and has the right nameserver IP addresses in it.
-If this doesn't help, try something like `ping -c 5 204.71.200.67' to
-see if the networking is running but the DNS resolution is where the
-problem lies.
-
-12.) If you still have problems, go to the support web sites mentioned above
-and read the information and documentation there.
-
------------------------------------------------------------------------------
-
-Common problems:
-
-1.) Packets go out on the ppp0 interface but don't come back on the cm0
-interface. It looks like I'm connected but I can't even ping any
-numerical IP addresses. (This happens predominantly on Debian systems due
-to a default boot-time configuration script.)
-
-Solution -- As root `echo 0 > /proc/sys/net/ipv4/conf/cm0/rp_filter' so it
-can share the same IP address as the ppp0 interface. Note that this
-command should probably be added to the /etc/ppp/cablemodem script
-*right*between* the "/sbin/ifconfig" and "/sbin/cmconfig" commands.
-You may need to do this to /proc/sys/net/ipv4/conf/ppp0/rp_filter as well.
-If you do this to /proc/sys/net/ipv4/conf/default/rp_filter on each reboot
-(in rc.local or some such) then any interfaces can share the same IP
-addresses.
-
-2.) I get "unresolved symbol" error messages on executing `insmod sb1000.o'.
-
-Solution -- You probably have a non-matching kernel source tree and
-/usr/include/linux and /usr/include/asm header files. Make sure you
-install the correct versions of the header files in these two directories.
-Then rebuild and reinstall the kernel.
-
-3.) When isapnp runs it reports an error, and my SB1000 card isn't working.
-
-Solution -- There's a problem with later versions of isapnp using the "(CHECK)"
-option in the lines that allocate the two I/O addresses for the SB1000 card.
-This first popped up on RH 6.0. Delete "(CHECK)" for the SB1000 I/O addresses.
-Make sure they don't conflict with any other pieces of hardware first! Then
-rerun isapnp and go from there.
-
-4.) I can't execute the /etc/ppp/ppp@gi-on file.
-
-Solution -- As root do `chmod ug+x /etc/ppp/ppp@gi-on'.
-
-5.) The firewall script isn't working (with 2.2.x and higher kernels).
-
-Solution -- Use the ipfwadm2ipchains script referenced above to convert the
-/etc/ppp/firewall script from the deprecated ipfwadm commands to ipchains.
-
-6.) I'm getting *tons* of firewall deny messages in the /var/kern.log,
-/var/messages, and/or /var/syslog files, and they're filling up my /var
-partition!!!
-
-Solution -- First, tell your ISP that you're receiving DoS (Denial of Service)
-and/or portscanning (UDP connection attempts) attacks! Look over the deny
-messages to figure out what the attack is and where it's coming from. Next,
-edit /etc/ppp/cablemodem and make sure the ",nobroadcast" option is turned on
-to the "cmconfig" command (uncomment that line). If you're not receiving these
-denied packets on your broadcast interface (IP address xxx.yyy.zzz.255
-typically), then someone is attacking your machine in particular. Be careful
-out there....
-
-7.) Everything seems to work fine but my computer locks up after a while
-(and typically during a lengthy download through the cable modem)!
-
-Solution -- You may need to add a short delay in the driver to 'slow down' the
-SURFboard because your PC might not be able to keep up with the transfer rate
-of the SB1000. To do this, it's probably best to download Franco's
-sb1000-1.1.2.tar.gz archive and build and install sb1000.o manually. You'll
-want to edit the 'Makefile' and look for the 'SB1000_DELAY'
-define. Uncomment those 'CFLAGS' lines (and comment out the default ones)
-and try setting the delay to something like 60 microseconds with:
-'-DSB1000_DELAY=60'. Then do `make' and as root `make install' and try
-it out. If it still doesn't work or you like playing with the driver, you may
-try other numbers. Remember though that the higher the delay, the slower the
-driver (which slows down the rest of the PC too when it is actively
-used). Thanks to Ed Daiga for this tip!
-
------------------------------------------------------------------------------
-
-Credits: This README came from Franco Venturi's original README file which is
-still supplied with his driver .tar.gz archive. I and all other sb1000 users
-owe Franco a tremendous "Thank you!" Additional thanks goes to Carl Patten
-and Ralph Bonnell who are now managing the Linux SB1000 web site, and to
-the SB1000 users who reported and helped debug the common problems listed
-above.
-
-
- Clemmitt Sigler
- csigler@vt.edu
diff --git a/Documentation/networking/device_drivers/smsc/smc9.rst b/Documentation/networking/device_drivers/smsc/smc9.rst
new file mode 100644
index 000000000000..e5eac896a631
--- /dev/null
+++ b/Documentation/networking/device_drivers/smsc/smc9.rst
@@ -0,0 +1,48 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================
+SMC 9xxxx Driver
+================
+
+Revision 0.12
+
+3/5/96
+
+Copyright 1996 Erik Stahlman
+
+Released under terms of the GNU General Public License.
+
+This file contains the instructions and caveats for my SMC9xxx driver. You
+should not be using the driver without reading this file.
+
+Things to note about installation:
+
+ 1. The driver should work on all kernels from 1.2.13 until 1.3.71.
+ (A kernel patch is supplied for 1.3.71 )
+
+ 2. If you include this into the kernel, you might need to change some
+ options, such as for forcing IRQ.
+
+
+ 3. To compile as a module, run 'make'.
+ Make will give you the appropriate options for various kernel support.
+
+ 4. Loading the driver as a module::
+
+ use: insmod smc9194.o
+ optional parameters:
+ io=xxxx : your base address
+ irq=xx : your irq
+ ifport=x : 0 for whatever is default
+ 1 for twisted pair
+ 2 for AUI ( or BNC on some cards )
+
+How to obtain the latest version?
+
+FTP:
+ ftp://fenris.campus.vt.edu/smc9/smc9-12.tar.gz
+ ftp://sfbox.vt.edu/filebox/F/fenris/smc9/smc9-12.tar.gz
+
+
+Contacting me:
+ erik@mail.vt.edu
diff --git a/Documentation/networking/device_drivers/smsc/smc9.txt b/Documentation/networking/device_drivers/smsc/smc9.txt
deleted file mode 100644
index d1e15074e43d..000000000000
--- a/Documentation/networking/device_drivers/smsc/smc9.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-
-SMC 9xxxx Driver
-Revision 0.12
-3/5/96
-Copyright 1996 Erik Stahlman
-Released under terms of the GNU General Public License.
-
-This file contains the instructions and caveats for my SMC9xxx driver. You
-should not be using the driver without reading this file.
-
-Things to note about installation:
-
- 1. The driver should work on all kernels from 1.2.13 until 1.3.71.
- (A kernel patch is supplied for 1.3.71 )
-
- 2. If you include this into the kernel, you might need to change some
- options, such as for forcing IRQ.
-
-
- 3. To compile as a module, run 'make' .
- Make will give you the appropriate options for various kernel support.
-
- 4. Loading the driver as a module :
-
- use: insmod smc9194.o
- optional parameters:
- io=xxxx : your base address
- irq=xx : your irq
- ifport=x : 0 for whatever is default
- 1 for twisted pair
- 2 for AUI ( or BNC on some cards )
-
-How to obtain the latest version?
-
-FTP:
- ftp://fenris.campus.vt.edu/smc9/smc9-12.tar.gz
- ftp://sfbox.vt.edu/filebox/F/fenris/smc9/smc9-12.tar.gz
-
-
-Contacting me:
- erik@mail.vt.edu
-
diff --git a/Documentation/networking/device_drivers/ti/cpsw.rst b/Documentation/networking/device_drivers/ti/cpsw.rst
new file mode 100644
index 000000000000..a88946bd188b
--- /dev/null
+++ b/Documentation/networking/device_drivers/ti/cpsw.rst
@@ -0,0 +1,587 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================================
+Texas Instruments CPSW ethernet driver
+======================================
+
+Multiqueue & CBS & MQPRIO
+=========================
+
+
+The cpsw has 3 CBS shapers for each external ports. This document
+describes MQPRIO and CBS Qdisc offload configuration for cpsw driver
+based on examples. It potentially can be used in audio video bridging
+(AVB) and time sensitive networking (TSN).
+
+The following examples were tested on AM572x EVM and BBB boards.
+
+Test setup
+==========
+
+Under consideration two examples with AM572x EVM running cpsw driver
+in dual_emac mode.
+
+Several prerequisites:
+
+- TX queues must be rated starting from txq0 that has highest priority
+- Traffic classes are used starting from 0, that has highest priority
+- CBS shapers should be used with rated queues
+- The bandwidth for CBS shapers has to be set a little bit more then
+ potential incoming rate, thus, rate of all incoming tx queues has
+ to be a little less
+- Real rates can differ, due to discreetness
+- Map skb-priority to txq is not enough, also skb-priority to l2 prio
+ map has to be created with ip or vconfig tool
+- Any l2/socket prio (0 - 7) for classes can be used, but for
+ simplicity default values are used: 3 and 2
+- only 2 classes tested: A and B, but checked and can work with more,
+ maximum allowed 4, but only for 3 rate can be set.
+
+Test setup for examples
+=======================
+
+::
+
+ +-------------------------------+
+ |--+ |
+ | | Workstation0 |
+ |E | MAC 18:03:73:66:87:42 |
+ +-----------------------------+ +--|t | |
+ | | 1 | E | | |h |./tsn_listener -d \ |
+ | Target board: | 0 | t |--+ |0 | 18:03:73:66:87:42 -i eth0 \|
+ | AM572x EVM | 0 | h | | | -s 1500 |
+ | | 0 | 0 | |--+ |
+ | Only 2 classes: |Mb +---| +-------------------------------+
+ | class A, class B | |
+ | | +---| +-------------------------------+
+ | | 1 | E | |--+ |
+ | | 0 | t | | | Workstation1 |
+ | | 0 | h |--+ |E | MAC 20:cf:30:85:7d:fd |
+ | |Mb | 1 | +--|t | |
+ +-----------------------------+ |h |./tsn_listener -d \ |
+ |0 | 20:cf:30:85:7d:fd -i eth0 \|
+ | | -s 1500 |
+ |--+ |
+ +-------------------------------+
+
+
+Example 1: One port tx AVB configuration scheme for target board
+----------------------------------------------------------------
+
+(prints and scheme for AM572x evm, applicable for single port boards)
+
+- tc - traffic class
+- txq - transmit queue
+- p - priority
+- f - fifo (cpsw fifo)
+- S - shaper configured
+
+::
+
+ +------------------------------------------------------------------+ u
+ | +---------------+ +---------------+ +------+ +------+ | s
+ | | | | | | | | | | e
+ | | App 1 | | App 2 | | Apps | | Apps | | r
+ | | Class A | | Class B | | Rest | | Rest | |
+ | | Eth0 | | Eth0 | | Eth0 | | Eth1 | | s
+ | | VLAN100 | | VLAN100 | | | | | | | | p
+ | | 40 Mb/s | | 20 Mb/s | | | | | | | | a
+ | | SO_PRIORITY=3 | | SO_PRIORITY=2 | | | | | | | | c
+ | | | | | | | | | | | | | | e
+ | +---|-----------+ +---|-----------+ +---|--+ +---|--+ |
+ +-----|------------------|------------------|--------|-------------+
+ +-+ +------------+ | |
+ | | +-----------------+ +--+
+ | | | |
+ +---|-------|-------------|-----------------------|----------------+
+ | +----+ +----+ +----+ +----+ +----+ |
+ | | p3 | | p2 | | p1 | | p0 | | p0 | | k
+ | \ / \ / \ / \ / \ / | e
+ | \ / \ / \ / \ / \ / | r
+ | \/ \/ \/ \/ \/ | n
+ | | | | | | e
+ | | | +-----+ | | l
+ | | | | | |
+ | +----+ +----+ +----+ +----+ | s
+ | |tc0 | |tc1 | |tc2 | |tc0 | | p
+ | \ / \ / \ / \ / | a
+ | \ / \ / \ / \ / | c
+ | \/ \/ \/ \/ | e
+ | | | +-----+ | |
+ | | | | | | |
+ | | | | | | |
+ | | | | | | |
+ | +----+ +----+ +----+ +----+ +----+ |
+ | |txq0| |txq1| |txq2| |txq3| |txq4| |
+ | \ / \ / \ / \ / \ / |
+ | \ / \ / \ / \ / \ / |
+ | \/ \/ \/ \/ \/ |
+ | +-|------|------|------|--+ +--|--------------+ |
+ | | | | | | | Eth0.100 | | Eth1 | |
+ +---|------|------|------|------------------------|----------------+
+ | | | | |
+ p p p p |
+ 3 2 0-1, 4-7 <- L2 priority |
+ | | | | |
+ | | | | |
+ +---|------|------|------|------------------------|----------------+
+ | | | | | |----------+ |
+ | +----+ +----+ +----+ +----+ +----+ |
+ | |dma7| |dma6| |dma5| |dma4| |dma3| |
+ | \ / \ / \ / \ / \ / | c
+ | \S / \S / \ / \ / \ / | p
+ | \/ \/ \/ \/ \/ | s
+ | | | | +----- | | w
+ | | | | | | |
+ | | | | | | | d
+ | +----+ +----+ +----+p p+----+ | r
+ | | | | | | |o o| | | i
+ | | f3 | | f2 | | f0 |r r| f0 | | v
+ | |tc0 | |tc1 | |tc2 |t t|tc0 | | e
+ | \CBS / \CBS / \CBS /1 2\CBS / | r
+ | \S / \S / \ / \ / |
+ | \/ \/ \/ \/ |
+ +------------------------------------------------------------------+
+
+
+1) ::
+
+
+ // Add 4 tx queues, for interface Eth0, and 1 tx queue for Eth1
+ $ ethtool -L eth0 rx 1 tx 5
+ rx unmodified, ignoring
+
+2) ::
+
+ // Check if num of queues is set correctly:
+ $ ethtool -l eth0
+ Channel parameters for eth0:
+ Pre-set maximums:
+ RX: 8
+ TX: 8
+ Other: 0
+ Combined: 0
+ Current hardware settings:
+ RX: 1
+ TX: 5
+ Other: 0
+ Combined: 0
+
+3) ::
+
+ // TX queues must be rated starting from 0, so set bws for tx0 and tx1
+ // Set rates 40 and 20 Mb/s appropriately.
+ // Pay attention, real speed can differ a bit due to discreetness.
+ // Leave last 2 tx queues not rated.
+ $ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
+ $ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
+
+4) ::
+
+ // Check maximum rate of tx (cpdma) queues:
+ $ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
+ 40
+ 20
+ 0
+ 0
+ 0
+
+5) ::
+
+ // Map skb->priority to traffic class:
+ // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
+ // Map traffic class to transmit queue:
+ // tc0 -> txq0, tc1 -> txq1, tc2 -> (txq2, txq3)
+ $ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
+ map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 1
+
+5a) ::
+
+ // As two interface sharing same set of tx queues, assign all traffic
+ // coming to interface Eth1 to separate queue in order to not mix it
+ // with traffic from interface Eth0, so use separate txq to send
+ // packets to Eth1, so all prio -> tc0 and tc0 -> txq4
+ // Here hw 0, so here still default configuration for eth1 in hw
+ $ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 1 \
+ map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 queues 1@4 hw 0
+
+6) ::
+
+ // Check classes settings
+ $ tc -g class show dev eth0
+ +---(100:ffe2) mqprio
+ | +---(100:3) mqprio
+ | +---(100:4) mqprio
+ |
+ +---(100:ffe1) mqprio
+ | +---(100:2) mqprio
+ |
+ +---(100:ffe0) mqprio
+ +---(100:1) mqprio
+
+ $ tc -g class show dev eth1
+ +---(100:ffe0) mqprio
+ +---(100:5) mqprio
+
+7) ::
+
+ // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc
+ // Set it +1 Mb for reserve (important!)
+ // here only idle slope is important, others arg are ignored
+ // Pay attention, real speed can differ a bit due to discreetness
+ $ tc qdisc add dev eth0 parent 100:1 cbs locredit -1438 \
+ hicredit 62 sendslope -959000 idleslope 41000 offload 1
+ net eth0: set FIFO3 bw = 50
+
+8) ::
+
+ // Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc:
+ // Set it +1 Mb for reserve (important!)
+ $ tc qdisc add dev eth0 parent 100:2 cbs locredit -1468 \
+ hicredit 65 sendslope -979000 idleslope 21000 offload 1
+ net eth0: set FIFO2 bw = 30
+
+9) ::
+
+ // Create vlan 100 to map sk->priority to vlan qos
+ $ ip link add link eth0 name eth0.100 type vlan id 100
+ 8021q: 802.1Q VLAN Support v1.8
+ 8021q: adding VLAN 0 to HW filter on device eth0
+ 8021q: adding VLAN 0 to HW filter on device eth1
+ net eth0: Adding vlanid 100 to vlan filter
+
+10) ::
+
+ // Map skb->priority to L2 prio, 1 to 1
+ $ ip link set eth0.100 type vlan \
+ egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+11) ::
+
+ // Check egress map for vlan 100
+ $ cat /proc/net/vlan/eth0.100
+ [...]
+ INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
+ EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+12) ::
+
+ // Run your appropriate tools with socket option "SO_PRIORITY"
+ // to 3 for class A and/or to 2 for class B
+ // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
+ ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
+ ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
+
+13) ::
+
+ // run your listener on workstation (should be in same vlan)
+ // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
+ ./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39000 kbps
+
+14) ::
+
+ // Restore default configuration if needed
+ $ ip link del eth0.100
+ $ tc qdisc del dev eth1 root
+ $ tc qdisc del dev eth0 root
+ net eth0: Prev FIFO2 is shaped
+ net eth0: set FIFO3 bw = 0
+ net eth0: set FIFO2 bw = 0
+ $ ethtool -L eth0 rx 1 tx 1
+
+Example 2: Two port tx AVB configuration scheme for target board
+----------------------------------------------------------------
+
+(prints and scheme for AM572x evm, for dual emac boards only)
+
+::
+
+ +------------------------------------------------------------------+ u
+ | +----------+ +----------+ +------+ +----------+ +----------+ | s
+ | | | | | | | | | | | | e
+ | | App 1 | | App 2 | | Apps | | App 3 | | App 4 | | r
+ | | Class A | | Class B | | Rest | | Class B | | Class A | |
+ | | Eth0 | | Eth0 | | | | | Eth1 | | Eth1 | | s
+ | | VLAN100 | | VLAN100 | | | | | VLAN100 | | VLAN100 | | p
+ | | 40 Mb/s | | 20 Mb/s | | | | | 10 Mb/s | | 30 Mb/s | | a
+ | | SO_PRI=3 | | SO_PRI=2 | | | | | SO_PRI=3 | | SO_PRI=2 | | c
+ | | | | | | | | | | | | | | | | | e
+ | +---|------+ +---|------+ +---|--+ +---|------+ +---|------+ |
+ +-----|-------------|-------------|---------|-------------|--------+
+ +-+ +-------+ | +----------+ +----+
+ | | +-------+------+ | |
+ | | | | | |
+ +---|-------|-------------|--------------|-------------|-------|---+
+ | +----+ +----+ +----+ +----+ +----+ +----+ +----+ +----+ |
+ | | p3 | | p2 | | p1 | | p0 | | p0 | | p1 | | p2 | | p3 | | k
+ | \ / \ / \ / \ / \ / \ / \ / \ / | e
+ | \ / \ / \ / \ / \ / \ / \ / \ / | r
+ | \/ \/ \/ \/ \/ \/ \/ \/ | n
+ | | | | | | | | e
+ | | | +----+ +----+ | | | l
+ | | | | | | | |
+ | +----+ +----+ +----+ +----+ +----+ +----+ | s
+ | |tc0 | |tc1 | |tc2 | |tc2 | |tc1 | |tc0 | | p
+ | \ / \ / \ / \ / \ / \ / | a
+ | \ / \ / \ / \ / \ / \ / | c
+ | \/ \/ \/ \/ \/ \/ | e
+ | | | +-----+ +-----+ | | |
+ | | | | | | | | | |
+ | | | | | | | | | |
+ | | | | | E E | | | | |
+ | +----+ +----+ +----+ +----+ t t +----+ +----+ +----+ +----+ |
+ | |txq0| |txq1| |txq4| |txq5| h h |txq6| |txq7| |txq3| |txq2| |
+ | \ / \ / \ / \ / 0 1 \ / \ / \ / \ / |
+ | \ / \ / \ / \ / . . \ / \ / \ / \ / |
+ | \/ \/ \/ \/ 1 1 \/ \/ \/ \/ |
+ | +-|------|------|------|--+ 0 0 +-|------|------|------|--+ |
+ | | | | | | | 0 0 | | | | | | |
+ +---|------|------|------|---------------|------|------|------|----+
+ | | | | | | | |
+ p p p p p p p p
+ 3 2 0-1, 4-7 <-L2 pri-> 0-1, 4-7 2 3
+ | | | | | | | |
+ | | | | | | | |
+ +---|------|------|------|---------------|------|------|------|----+
+ | | | | | | | | | |
+ | +----+ +----+ +----+ +----+ +----+ +----+ +----+ +----+ |
+ | |dma7| |dma6| |dma3| |dma2| |dma1| |dma0| |dma4| |dma5| |
+ | \ / \ / \ / \ / \ / \ / \ / \ / | c
+ | \S / \S / \ / \ / \ / \ / \S / \S / | p
+ | \/ \/ \/ \/ \/ \/ \/ \/ | s
+ | | | | +----- | | | | | w
+ | | | | | +----+ | | | |
+ | | | | | | | | | | d
+ | +----+ +----+ +----+p p+----+ +----+ +----+ | r
+ | | | | | | |o o| | | | | | | i
+ | | f3 | | f2 | | f0 |r CPSW r| f3 | | f2 | | f0 | | v
+ | |tc0 | |tc1 | |tc2 |t t|tc0 | |tc1 | |tc2 | | e
+ | \CBS / \CBS / \CBS /1 2\CBS / \CBS / \CBS / | r
+ | \S / \S / \ / \S / \S / \ / |
+ | \/ \/ \/ \/ \/ \/ |
+ +------------------------------------------------------------------+
+ ========================================Eth==========================>
+
+1) ::
+
+ // Add 8 tx queues, for interface Eth0, but they are common, so are accessed
+ // by two interfaces Eth0 and Eth1.
+ $ ethtool -L eth1 rx 1 tx 8
+ rx unmodified, ignoring
+
+2) ::
+
+ // Check if num of queues is set correctly:
+ $ ethtool -l eth0
+ Channel parameters for eth0:
+ Pre-set maximums:
+ RX: 8
+ TX: 8
+ Other: 0
+ Combined: 0
+ Current hardware settings:
+ RX: 1
+ TX: 8
+ Other: 0
+ Combined: 0
+
+3) ::
+
+ // TX queues must be rated starting from 0, so set bws for tx0 and tx1 for Eth0
+ // and for tx2 and tx3 for Eth1. That is, rates 40 and 20 Mb/s appropriately
+ // for Eth0 and 30 and 10 Mb/s for Eth1.
+ // Real speed can differ a bit due to discreetness
+ // Leave last 4 tx queues as not rated
+ $ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
+ $ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
+ $ echo 30 > /sys/class/net/eth1/queues/tx-2/tx_maxrate
+ $ echo 10 > /sys/class/net/eth1/queues/tx-3/tx_maxrate
+
+4) ::
+
+ // Check maximum rate of tx (cpdma) queues:
+ $ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
+ 40
+ 20
+ 30
+ 10
+ 0
+ 0
+ 0
+ 0
+
+5) ::
+
+ // Map skb->priority to traffic class for Eth0:
+ // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
+ // Map traffic class to transmit queue:
+ // tc0 -> txq0, tc1 -> txq1, tc2 -> (txq4, txq5)
+ $ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
+ map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@4 hw 1
+
+6) ::
+
+ // Check classes settings
+ $ tc -g class show dev eth0
+ +---(100:ffe2) mqprio
+ | +---(100:5) mqprio
+ | +---(100:6) mqprio
+ |
+ +---(100:ffe1) mqprio
+ | +---(100:2) mqprio
+ |
+ +---(100:ffe0) mqprio
+ +---(100:1) mqprio
+
+7) ::
+
+ // Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc for Eth0
+ // here only idle slope is important, others ignored
+ // Real speed can differ a bit due to discreetness
+ $ tc qdisc add dev eth0 parent 100:1 cbs locredit -1470 \
+ hicredit 62 sendslope -959000 idleslope 41000 offload 1
+ net eth0: set FIFO3 bw = 50
+
+8) ::
+
+ // Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc for Eth0
+ $ tc qdisc add dev eth0 parent 100:2 cbs locredit -1470 \
+ hicredit 65 sendslope -979000 idleslope 21000 offload 1
+ net eth0: set FIFO2 bw = 30
+
+9) ::
+
+ // Create vlan 100 to map sk->priority to vlan qos for Eth0
+ $ ip link add link eth0 name eth0.100 type vlan id 100
+ net eth0: Adding vlanid 100 to vlan filter
+
+10) ::
+
+ // Map skb->priority to L2 prio for Eth0.100, one to one
+ $ ip link set eth0.100 type vlan \
+ egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+11) ::
+
+ // Check egress map for vlan 100
+ $ cat /proc/net/vlan/eth0.100
+ [...]
+ INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
+ EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+12) ::
+
+ // Map skb->priority to traffic class for Eth1:
+ // 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
+ // Map traffic class to transmit queue:
+ // tc0 -> txq2, tc1 -> txq3, tc2 -> (txq6, txq7)
+ $ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 3 \
+ map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@2 1@3 2@6 hw 1
+
+13) ::
+
+ // Check classes settings
+ $ tc -g class show dev eth1
+ +---(100:ffe2) mqprio
+ | +---(100:7) mqprio
+ | +---(100:8) mqprio
+ |
+ +---(100:ffe1) mqprio
+ | +---(100:4) mqprio
+ |
+ +---(100:ffe0) mqprio
+ +---(100:3) mqprio
+
+14) ::
+
+ // Set rate for class A - 31 Mbit (tc0, txq2) using CBS Qdisc for Eth1
+ // here only idle slope is important, others ignored, but calculated
+ // for interface speed - 100Mb for eth1 port.
+ // Set it +1 Mb for reserve (important!)
+ $ tc qdisc add dev eth1 parent 100:3 cbs locredit -1035 \
+ hicredit 465 sendslope -69000 idleslope 31000 offload 1
+ net eth1: set FIFO3 bw = 31
+
+15) ::
+
+ // Set rate for class B - 11 Mbit (tc1, txq3) using CBS Qdisc for Eth1
+ // Set it +1 Mb for reserve (important!)
+ $ tc qdisc add dev eth1 parent 100:4 cbs locredit -1335 \
+ hicredit 405 sendslope -89000 idleslope 11000 offload 1
+ net eth1: set FIFO2 bw = 11
+
+16) ::
+
+ // Create vlan 100 to map sk->priority to vlan qos for Eth1
+ $ ip link add link eth1 name eth1.100 type vlan id 100
+ net eth1: Adding vlanid 100 to vlan filter
+
+17) ::
+
+ // Map skb->priority to L2 prio for Eth1.100, one to one
+ $ ip link set eth1.100 type vlan \
+ egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+18) ::
+
+ // Check egress map for vlan 100
+ $ cat /proc/net/vlan/eth1.100
+ [...]
+ INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
+ EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
+
+19) ::
+
+ // Run appropriate tools with socket option "SO_PRIORITY" to 3
+ // for class A and to 2 for class B. For both interfaces
+ ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
+ ./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
+ ./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p2 -s 1500&
+ ./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p3 -s 1500&
+
+20) ::
+
+ // run your listener on workstation (should be in same vlan)
+ // (I took at https://www.spinics.net/lists/netdev/msg460869.html)
+ ./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39012 kbps
+ Receiving data rate: 39000 kbps
+
+21) ::
+
+ // Restore default configuration if needed
+ $ ip link del eth1.100
+ $ ip link del eth0.100
+ $ tc qdisc del dev eth1 root
+ net eth1: Prev FIFO2 is shaped
+ net eth1: set FIFO3 bw = 0
+ net eth1: set FIFO2 bw = 0
+ $ tc qdisc del dev eth0 root
+ net eth0: Prev FIFO2 is shaped
+ net eth0: set FIFO3 bw = 0
+ net eth0: set FIFO2 bw = 0
+ $ ethtool -L eth0 rx 1 tx 1
diff --git a/Documentation/networking/device_drivers/ti/cpsw.txt b/Documentation/networking/device_drivers/ti/cpsw.txt
deleted file mode 100644
index d4d4c0751a09..000000000000
--- a/Documentation/networking/device_drivers/ti/cpsw.txt
+++ /dev/null
@@ -1,541 +0,0 @@
-* Texas Instruments CPSW ethernet driver
-
-Multiqueue & CBS & MQPRIO
-=====================================================================
-=====================================================================
-
-The cpsw has 3 CBS shapers for each external ports. This document
-describes MQPRIO and CBS Qdisc offload configuration for cpsw driver
-based on examples. It potentially can be used in audio video bridging
-(AVB) and time sensitive networking (TSN).
-
-The following examples were tested on AM572x EVM and BBB boards.
-
-Test setup
-==========
-
-Under consideration two examples with AM572x EVM running cpsw driver
-in dual_emac mode.
-
-Several prerequisites:
-- TX queues must be rated starting from txq0 that has highest priority
-- Traffic classes are used starting from 0, that has highest priority
-- CBS shapers should be used with rated queues
-- The bandwidth for CBS shapers has to be set a little bit more then
- potential incoming rate, thus, rate of all incoming tx queues has
- to be a little less
-- Real rates can differ, due to discreetness
-- Map skb-priority to txq is not enough, also skb-priority to l2 prio
- map has to be created with ip or vconfig tool
-- Any l2/socket prio (0 - 7) for classes can be used, but for
- simplicity default values are used: 3 and 2
-- only 2 classes tested: A and B, but checked and can work with more,
- maximum allowed 4, but only for 3 rate can be set.
-
-Test setup for examples
-=======================
- +-------------------------------+
- |--+ |
- | | Workstation0 |
- |E | MAC 18:03:73:66:87:42 |
-+-----------------------------+ +--|t | |
-| | 1 | E | | |h |./tsn_listener -d \ |
-| Target board: | 0 | t |--+ |0 | 18:03:73:66:87:42 -i eth0 \|
-| AM572x EVM | 0 | h | | | -s 1500 |
-| | 0 | 0 | |--+ |
-| Only 2 classes: |Mb +---| +-------------------------------+
-| class A, class B | |
-| | +---| +-------------------------------+
-| | 1 | E | |--+ |
-| | 0 | t | | | Workstation1 |
-| | 0 | h |--+ |E | MAC 20:cf:30:85:7d:fd |
-| |Mb | 1 | +--|t | |
-+-----------------------------+ |h |./tsn_listener -d \ |
- |0 | 20:cf:30:85:7d:fd -i eth0 \|
- | | -s 1500 |
- |--+ |
- +-------------------------------+
-
-*********************************************************************
-*********************************************************************
-*********************************************************************
-Example 1: One port tx AVB configuration scheme for target board
-----------------------------------------------------------------------
-(prints and scheme for AM572x evm, applicable for single port boards)
-
-tc - traffic class
-txq - transmit queue
-p - priority
-f - fifo (cpsw fifo)
-S - shaper configured
-
-+------------------------------------------------------------------+ u
-| +---------------+ +---------------+ +------+ +------+ | s
-| | | | | | | | | | e
-| | App 1 | | App 2 | | Apps | | Apps | | r
-| | Class A | | Class B | | Rest | | Rest | |
-| | Eth0 | | Eth0 | | Eth0 | | Eth1 | | s
-| | VLAN100 | | VLAN100 | | | | | | | | p
-| | 40 Mb/s | | 20 Mb/s | | | | | | | | a
-| | SO_PRIORITY=3 | | SO_PRIORITY=2 | | | | | | | | c
-| | | | | | | | | | | | | | e
-| +---|-----------+ +---|-----------+ +---|--+ +---|--+ |
-+-----|------------------|------------------|--------|-------------+
- +-+ +------------+ | |
- | | +-----------------+ +--+
- | | | |
-+---|-------|-------------|-----------------------|----------------+
-| +----+ +----+ +----+ +----+ +----+ |
-| | p3 | | p2 | | p1 | | p0 | | p0 | | k
-| \ / \ / \ / \ / \ / | e
-| \ / \ / \ / \ / \ / | r
-| \/ \/ \/ \/ \/ | n
-| | | | | | e
-| | | +-----+ | | l
-| | | | | |
-| +----+ +----+ +----+ +----+ | s
-| |tc0 | |tc1 | |tc2 | |tc0 | | p
-| \ / \ / \ / \ / | a
-| \ / \ / \ / \ / | c
-| \/ \/ \/ \/ | e
-| | | +-----+ | |
-| | | | | | |
-| | | | | | |
-| | | | | | |
-| +----+ +----+ +----+ +----+ +----+ |
-| |txq0| |txq1| |txq2| |txq3| |txq4| |
-| \ / \ / \ / \ / \ / |
-| \ / \ / \ / \ / \ / |
-| \/ \/ \/ \/ \/ |
-| +-|------|------|------|--+ +--|--------------+ |
-| | | | | | | Eth0.100 | | Eth1 | |
-+---|------|------|------|------------------------|----------------+
- | | | | |
- p p p p |
- 3 2 0-1, 4-7 <- L2 priority |
- | | | | |
- | | | | |
-+---|------|------|------|------------------------|----------------+
-| | | | | |----------+ |
-| +----+ +----+ +----+ +----+ +----+ |
-| |dma7| |dma6| |dma5| |dma4| |dma3| |
-| \ / \ / \ / \ / \ / | c
-| \S / \S / \ / \ / \ / | p
-| \/ \/ \/ \/ \/ | s
-| | | | +----- | | w
-| | | | | | |
-| | | | | | | d
-| +----+ +----+ +----+p p+----+ | r
-| | | | | | |o o| | | i
-| | f3 | | f2 | | f0 |r r| f0 | | v
-| |tc0 | |tc1 | |tc2 |t t|tc0 | | e
-| \CBS / \CBS / \CBS /1 2\CBS / | r
-| \S / \S / \ / \ / |
-| \/ \/ \/ \/ |
-+------------------------------------------------------------------+
-========================================Eth==========================>
-
-1)
-// Add 4 tx queues, for interface Eth0, and 1 tx queue for Eth1
-$ ethtool -L eth0 rx 1 tx 5
-rx unmodified, ignoring
-
-2)
-// Check if num of queues is set correctly:
-$ ethtool -l eth0
-Channel parameters for eth0:
-Pre-set maximums:
-RX: 8
-TX: 8
-Other: 0
-Combined: 0
-Current hardware settings:
-RX: 1
-TX: 5
-Other: 0
-Combined: 0
-
-3)
-// TX queues must be rated starting from 0, so set bws for tx0 and tx1
-// Set rates 40 and 20 Mb/s appropriately.
-// Pay attention, real speed can differ a bit due to discreetness.
-// Leave last 2 tx queues not rated.
-$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
-$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
-
-4)
-// Check maximum rate of tx (cpdma) queues:
-$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
-40
-20
-0
-0
-0
-
-5)
-// Map skb->priority to traffic class:
-// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
-// Map traffic class to transmit queue:
-// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq2, txq3)
-$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
-map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 1
-
-5a)
-// As two interface sharing same set of tx queues, assign all traffic
-// coming to interface Eth1 to separate queue in order to not mix it
-// with traffic from interface Eth0, so use separate txq to send
-// packets to Eth1, so all prio -> tc0 and tc0 -> txq4
-// Here hw 0, so here still default configuration for eth1 in hw
-$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 1 \
-map 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 queues 1@4 hw 0
-
-6)
-// Check classes settings
-$ tc -g class show dev eth0
-+---(100:ffe2) mqprio
-| +---(100:3) mqprio
-| +---(100:4) mqprio
-|
-+---(100:ffe1) mqprio
-| +---(100:2) mqprio
-|
-+---(100:ffe0) mqprio
- +---(100:1) mqprio
-
-$ tc -g class show dev eth1
-+---(100:ffe0) mqprio
- +---(100:5) mqprio
-
-7)
-// Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc
-// Set it +1 Mb for reserve (important!)
-// here only idle slope is important, others arg are ignored
-// Pay attention, real speed can differ a bit due to discreetness
-$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1438 \
-hicredit 62 sendslope -959000 idleslope 41000 offload 1
-net eth0: set FIFO3 bw = 50
-
-8)
-// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc:
-// Set it +1 Mb for reserve (important!)
-$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1468 \
-hicredit 65 sendslope -979000 idleslope 21000 offload 1
-net eth0: set FIFO2 bw = 30
-
-9)
-// Create vlan 100 to map sk->priority to vlan qos
-$ ip link add link eth0 name eth0.100 type vlan id 100
-8021q: 802.1Q VLAN Support v1.8
-8021q: adding VLAN 0 to HW filter on device eth0
-8021q: adding VLAN 0 to HW filter on device eth1
-net eth0: Adding vlanid 100 to vlan filter
-
-10)
-// Map skb->priority to L2 prio, 1 to 1
-$ ip link set eth0.100 type vlan \
-egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-11)
-// Check egress map for vlan 100
-$ cat /proc/net/vlan/eth0.100
-[...]
-INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
-EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-12)
-// Run your appropriate tools with socket option "SO_PRIORITY"
-// to 3 for class A and/or to 2 for class B
-// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
-./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
-./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
-
-13)
-// run your listener on workstation (should be in same vlan)
-// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
-./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39000 kbps
-
-14)
-// Restore default configuration if needed
-$ ip link del eth0.100
-$ tc qdisc del dev eth1 root
-$ tc qdisc del dev eth0 root
-net eth0: Prev FIFO2 is shaped
-net eth0: set FIFO3 bw = 0
-net eth0: set FIFO2 bw = 0
-$ ethtool -L eth0 rx 1 tx 1
-
-*********************************************************************
-*********************************************************************
-*********************************************************************
-Example 2: Two port tx AVB configuration scheme for target board
-----------------------------------------------------------------------
-(prints and scheme for AM572x evm, for dual emac boards only)
-
-+------------------------------------------------------------------+ u
-| +----------+ +----------+ +------+ +----------+ +----------+ | s
-| | | | | | | | | | | | e
-| | App 1 | | App 2 | | Apps | | App 3 | | App 4 | | r
-| | Class A | | Class B | | Rest | | Class B | | Class A | |
-| | Eth0 | | Eth0 | | | | | Eth1 | | Eth1 | | s
-| | VLAN100 | | VLAN100 | | | | | VLAN100 | | VLAN100 | | p
-| | 40 Mb/s | | 20 Mb/s | | | | | 10 Mb/s | | 30 Mb/s | | a
-| | SO_PRI=3 | | SO_PRI=2 | | | | | SO_PRI=3 | | SO_PRI=2 | | c
-| | | | | | | | | | | | | | | | | e
-| +---|------+ +---|------+ +---|--+ +---|------+ +---|------+ |
-+-----|-------------|-------------|---------|-------------|--------+
- +-+ +-------+ | +----------+ +----+
- | | +-------+------+ | |
- | | | | | |
-+---|-------|-------------|--------------|-------------|-------|---+
-| +----+ +----+ +----+ +----+ +----+ +----+ +----+ +----+ |
-| | p3 | | p2 | | p1 | | p0 | | p0 | | p1 | | p2 | | p3 | | k
-| \ / \ / \ / \ / \ / \ / \ / \ / | e
-| \ / \ / \ / \ / \ / \ / \ / \ / | r
-| \/ \/ \/ \/ \/ \/ \/ \/ | n
-| | | | | | | | e
-| | | +----+ +----+ | | | l
-| | | | | | | |
-| +----+ +----+ +----+ +----+ +----+ +----+ | s
-| |tc0 | |tc1 | |tc2 | |tc2 | |tc1 | |tc0 | | p
-| \ / \ / \ / \ / \ / \ / | a
-| \ / \ / \ / \ / \ / \ / | c
-| \/ \/ \/ \/ \/ \/ | e
-| | | +-----+ +-----+ | | |
-| | | | | | | | | |
-| | | | | | | | | |
-| | | | | E E | | | | |
-| +----+ +----+ +----+ +----+ t t +----+ +----+ +----+ +----+ |
-| |txq0| |txq1| |txq4| |txq5| h h |txq6| |txq7| |txq3| |txq2| |
-| \ / \ / \ / \ / 0 1 \ / \ / \ / \ / |
-| \ / \ / \ / \ / . . \ / \ / \ / \ / |
-| \/ \/ \/ \/ 1 1 \/ \/ \/ \/ |
-| +-|------|------|------|--+ 0 0 +-|------|------|------|--+ |
-| | | | | | | 0 0 | | | | | | |
-+---|------|------|------|---------------|------|------|------|----+
- | | | | | | | |
- p p p p p p p p
- 3 2 0-1, 4-7 <-L2 pri-> 0-1, 4-7 2 3
- | | | | | | | |
- | | | | | | | |
-+---|------|------|------|---------------|------|------|------|----+
-| | | | | | | | | |
-| +----+ +----+ +----+ +----+ +----+ +----+ +----+ +----+ |
-| |dma7| |dma6| |dma3| |dma2| |dma1| |dma0| |dma4| |dma5| |
-| \ / \ / \ / \ / \ / \ / \ / \ / | c
-| \S / \S / \ / \ / \ / \ / \S / \S / | p
-| \/ \/ \/ \/ \/ \/ \/ \/ | s
-| | | | +----- | | | | | w
-| | | | | +----+ | | | |
-| | | | | | | | | | d
-| +----+ +----+ +----+p p+----+ +----+ +----+ | r
-| | | | | | |o o| | | | | | | i
-| | f3 | | f2 | | f0 |r CPSW r| f3 | | f2 | | f0 | | v
-| |tc0 | |tc1 | |tc2 |t t|tc0 | |tc1 | |tc2 | | e
-| \CBS / \CBS / \CBS /1 2\CBS / \CBS / \CBS / | r
-| \S / \S / \ / \S / \S / \ / |
-| \/ \/ \/ \/ \/ \/ |
-+------------------------------------------------------------------+
-========================================Eth==========================>
-
-1)
-// Add 8 tx queues, for interface Eth0, but they are common, so are accessed
-// by two interfaces Eth0 and Eth1.
-$ ethtool -L eth1 rx 1 tx 8
-rx unmodified, ignoring
-
-2)
-// Check if num of queues is set correctly:
-$ ethtool -l eth0
-Channel parameters for eth0:
-Pre-set maximums:
-RX: 8
-TX: 8
-Other: 0
-Combined: 0
-Current hardware settings:
-RX: 1
-TX: 8
-Other: 0
-Combined: 0
-
-3)
-// TX queues must be rated starting from 0, so set bws for tx0 and tx1 for Eth0
-// and for tx2 and tx3 for Eth1. That is, rates 40 and 20 Mb/s appropriately
-// for Eth0 and 30 and 10 Mb/s for Eth1.
-// Real speed can differ a bit due to discreetness
-// Leave last 4 tx queues as not rated
-$ echo 40 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
-$ echo 20 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
-$ echo 30 > /sys/class/net/eth1/queues/tx-2/tx_maxrate
-$ echo 10 > /sys/class/net/eth1/queues/tx-3/tx_maxrate
-
-4)
-// Check maximum rate of tx (cpdma) queues:
-$ cat /sys/class/net/eth0/queues/tx-*/tx_maxrate
-40
-20
-30
-10
-0
-0
-0
-0
-
-5)
-// Map skb->priority to traffic class for Eth0:
-// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
-// Map traffic class to transmit queue:
-// tc0 -> txq0, tc1 -> txq1, tc2 -> (txq4, txq5)
-$ tc qdisc replace dev eth0 handle 100: parent root mqprio num_tc 3 \
-map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@4 hw 1
-
-6)
-// Check classes settings
-$ tc -g class show dev eth0
-+---(100:ffe2) mqprio
-| +---(100:5) mqprio
-| +---(100:6) mqprio
-|
-+---(100:ffe1) mqprio
-| +---(100:2) mqprio
-|
-+---(100:ffe0) mqprio
- +---(100:1) mqprio
-
-7)
-// Set rate for class A - 41 Mbit (tc0, txq0) using CBS Qdisc for Eth0
-// here only idle slope is important, others ignored
-// Real speed can differ a bit due to discreetness
-$ tc qdisc add dev eth0 parent 100:1 cbs locredit -1470 \
-hicredit 62 sendslope -959000 idleslope 41000 offload 1
-net eth0: set FIFO3 bw = 50
-
-8)
-// Set rate for class B - 21 Mbit (tc1, txq1) using CBS Qdisc for Eth0
-$ tc qdisc add dev eth0 parent 100:2 cbs locredit -1470 \
-hicredit 65 sendslope -979000 idleslope 21000 offload 1
-net eth0: set FIFO2 bw = 30
-
-9)
-// Create vlan 100 to map sk->priority to vlan qos for Eth0
-$ ip link add link eth0 name eth0.100 type vlan id 100
-net eth0: Adding vlanid 100 to vlan filter
-
-10)
-// Map skb->priority to L2 prio for Eth0.100, one to one
-$ ip link set eth0.100 type vlan \
-egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-11)
-// Check egress map for vlan 100
-$ cat /proc/net/vlan/eth0.100
-[...]
-INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
-EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-12)
-// Map skb->priority to traffic class for Eth1:
-// 3pri -> tc0, 2pri -> tc1, (0,1,4-7)pri -> tc2
-// Map traffic class to transmit queue:
-// tc0 -> txq2, tc1 -> txq3, tc2 -> (txq6, txq7)
-$ tc qdisc replace dev eth1 handle 100: parent root mqprio num_tc 3 \
-map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@2 1@3 2@6 hw 1
-
-13)
-// Check classes settings
-$ tc -g class show dev eth1
-+---(100:ffe2) mqprio
-| +---(100:7) mqprio
-| +---(100:8) mqprio
-|
-+---(100:ffe1) mqprio
-| +---(100:4) mqprio
-|
-+---(100:ffe0) mqprio
- +---(100:3) mqprio
-
-14)
-// Set rate for class A - 31 Mbit (tc0, txq2) using CBS Qdisc for Eth1
-// here only idle slope is important, others ignored, but calculated
-// for interface speed - 100Mb for eth1 port.
-// Set it +1 Mb for reserve (important!)
-$ tc qdisc add dev eth1 parent 100:3 cbs locredit -1035 \
-hicredit 465 sendslope -69000 idleslope 31000 offload 1
-net eth1: set FIFO3 bw = 31
-
-15)
-// Set rate for class B - 11 Mbit (tc1, txq3) using CBS Qdisc for Eth1
-// Set it +1 Mb for reserve (important!)
-$ tc qdisc add dev eth1 parent 100:4 cbs locredit -1335 \
-hicredit 405 sendslope -89000 idleslope 11000 offload 1
-net eth1: set FIFO2 bw = 11
-
-16)
-// Create vlan 100 to map sk->priority to vlan qos for Eth1
-$ ip link add link eth1 name eth1.100 type vlan id 100
-net eth1: Adding vlanid 100 to vlan filter
-
-17)
-// Map skb->priority to L2 prio for Eth1.100, one to one
-$ ip link set eth1.100 type vlan \
-egress 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-18)
-// Check egress map for vlan 100
-$ cat /proc/net/vlan/eth1.100
-[...]
-INGRESS priority mappings: 0:0 1:0 2:0 3:0 4:0 5:0 6:0 7:0
-EGRESS priority mappings: 0:0 1:1 2:2 3:3 4:4 5:5 6:6 7:7
-
-19)
-// Run appropriate tools with socket option "SO_PRIORITY" to 3
-// for class A and to 2 for class B. For both interfaces
-./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p2 -s 1500&
-./tsn_talker -d 18:03:73:66:87:42 -i eth0.100 -p3 -s 1500&
-./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p2 -s 1500&
-./tsn_talker -d 20:cf:30:85:7d:fd -i eth1.100 -p3 -s 1500&
-
-20)
-// run your listener on workstation (should be in same vlan)
-// (I took at https://www.spinics.net/lists/netdev/msg460869.html)
-./tsn_listener -d 18:03:73:66:87:42 -i enp5s0 -s 1500
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39012 kbps
-Receiving data rate: 39000 kbps
-
-21)
-// Restore default configuration if needed
-$ ip link del eth1.100
-$ ip link del eth0.100
-$ tc qdisc del dev eth1 root
-net eth1: Prev FIFO2 is shaped
-net eth1: set FIFO3 bw = 0
-net eth1: set FIFO2 bw = 0
-$ tc qdisc del dev eth0 root
-net eth0: Prev FIFO2 is shaped
-net eth0: set FIFO3 bw = 0
-net eth0: set FIFO2 bw = 0
-$ ethtool -L eth0 rx 1 tx 1
diff --git a/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt b/Documentation/networking/device_drivers/ti/cpsw_switchdev.rst
index 12855ab268b8..1241ecac73bd 100644
--- a/Documentation/networking/device_drivers/ti/cpsw_switchdev.txt
+++ b/Documentation/networking/device_drivers/ti/cpsw_switchdev.rst
@@ -1,30 +1,44 @@
-* Texas Instruments CPSW switchdev based ethernet driver 2.0
+.. SPDX-License-Identifier: GPL-2.0
+
+======================================================
+Texas Instruments CPSW switchdev based ethernet driver
+======================================================
+
+:Version: 2.0
+
+Port renaming
+=============
-- Port renaming
On older udev versions renaming of ethX to swXpY will not be automatically
supported
-In order to rename via udev:
-ip -d link show dev sw0p1 | grep switchid
-SUBSYSTEM=="net", ACTION=="add", ATTR{phys_switch_id}==<switchid>, \
- ATTR{phys_port_name}!="", NAME="sw0$attr{phys_port_name}"
+In order to rename via udev::
+
+ ip -d link show dev sw0p1 | grep switchid
+
+ SUBSYSTEM=="net", ACTION=="add", ATTR{phys_switch_id}==<switchid>, \
+ ATTR{phys_port_name}!="", NAME="sw0$attr{phys_port_name}"
+
+Dual mac mode
+=============
-====================
-# Dual mac mode
-====================
- The new (cpsw_new.c) driver is operating in dual-emac mode by default, thus
-working as 2 individual network interfaces. Main differences from legacy CPSW
-driver are:
+ working as 2 individual network interfaces. Main differences from legacy CPSW
+ driver are:
+
- optimized promiscuous mode: The P0_UNI_FLOOD (both ports) is enabled in
-addition to ALLMULTI (current port) instead of ALE_BYPASS.
-So, Ports in promiscuous mode will keep possibility of mcast and vlan filtering,
-which is provides significant benefits when ports are joined to the same bridge,
-but without enabling "switch" mode, or to different bridges.
+ addition to ALLMULTI (current port) instead of ALE_BYPASS.
+ So, Ports in promiscuous mode will keep possibility of mcast and vlan
+ filtering, which is provides significant benefits when ports are joined
+ to the same bridge, but without enabling "switch" mode, or to different
+ bridges.
- learning disabled on ports as it make not too much sense for
segregated ports - no forwarding in HW.
- enabled basic support for devlink.
+ ::
+
devlink dev show
platform/48484000.switch
@@ -38,22 +52,25 @@ but without enabling "switch" mode, or to different bridges.
cmode runtime value false
Devlink configuration parameters
-====================
+================================
+
See Documentation/networking/devlink/ti-cpsw-switch.rst
-====================
-# Bridging in dual mac mode
-====================
+Bridging in dual mac mode
+=========================
+
The dual_mac mode requires two vids to be reserved for internal purposes,
which, by default, equal CPSW Port numbers. As result, bridge has to be
-configured in vlan unaware mode or default_pvid has to be adjusted.
+configured in vlan unaware mode or default_pvid has to be adjusted::
ip link add name br0 type bridge
ip link set dev br0 type bridge vlan_filtering 0
echo 0 > /sys/class/net/br0/bridge/default_pvid
ip link set dev sw0p1 master br0
ip link set dev sw0p2 master br0
- - or -
+
+or::
+
ip link add name br0 type bridge
ip link set dev br0 type bridge vlan_filtering 0
echo 100 > /sys/class/net/br0/bridge/default_pvid
@@ -61,11 +78,12 @@ configured in vlan unaware mode or default_pvid has to be adjusted.
ip link set dev sw0p1 master br0
ip link set dev sw0p2 master br0
-====================
-# Enabling "switch"
-====================
+Enabling "switch"
+=================
+
The Switch mode can be enabled by configuring devlink driver parameter
-"switch_mode" to 1/true:
+"switch_mode" to 1/true::
+
devlink dev param set platform/48484000.switch \
name switch_mode value 1 cmode runtime
@@ -79,9 +97,11 @@ marking packets with offload_fwd_mark flag unless "ale_bypass=0"
All configuration is implemented via switchdev API.
-====================
-# Bridge setup
-====================
+Bridge setup
+============
+
+::
+
devlink dev param set platform/48484000.switch \
name switch_mode value 1 cmode runtime
@@ -91,56 +111,65 @@ All configuration is implemented via switchdev API.
ip link set dev sw0p2 up
ip link set dev sw0p1 master br0
ip link set dev sw0p2 master br0
+
[*] bridge vlan add dev br0 vid 1 pvid untagged self
-[*] if vlan_filtering=1. where default_pvid=1
+ [*] if vlan_filtering=1. where default_pvid=1
-=================
-# On/off STP
-=================
-ip link set dev BRDEV type bridge stp_state 1/0
+ Note. Steps [*] are mandatory.
+
+
+On/off STP
+==========
-Note. Steps [*] are mandatory.
+::
-====================
-# VLAN configuration
-====================
-bridge vlan add dev br0 vid 1 pvid untagged self <---- add cpu port to VLAN 1
+ ip link set dev BRDEV type bridge stp_state 1/0
+
+VLAN configuration
+==================
+
+::
+
+ bridge vlan add dev br0 vid 1 pvid untagged self <---- add cpu port to VLAN 1
Note. This step is mandatory for bridge/default_pvid.
-=================
-# Add extra VLANs
-=================
- 1. untagged:
- bridge vlan add dev sw0p1 vid 100 pvid untagged master
- bridge vlan add dev sw0p2 vid 100 pvid untagged master
- bridge vlan add dev br0 vid 100 pvid untagged self <---- Add cpu port to VLAN100
+Add extra VLANs
+===============
- 2. tagged:
- bridge vlan add dev sw0p1 vid 100 master
- bridge vlan add dev sw0p2 vid 100 master
- bridge vlan add dev br0 vid 100 pvid tagged self <---- Add cpu port to VLAN100
+ 1. untagged::
+
+ bridge vlan add dev sw0p1 vid 100 pvid untagged master
+ bridge vlan add dev sw0p2 vid 100 pvid untagged master
+ bridge vlan add dev br0 vid 100 pvid untagged self <---- Add cpu port to VLAN100
+
+ 2. tagged::
+
+ bridge vlan add dev sw0p1 vid 100 master
+ bridge vlan add dev sw0p2 vid 100 master
+ bridge vlan add dev br0 vid 100 pvid tagged self <---- Add cpu port to VLAN100
-====
FDBs
-====
+----
+
FDBs are automatically added on the appropriate switch port upon detection
-Manually adding FDBs:
-bridge fdb add aa:bb:cc:dd:ee:ff dev sw0p1 master vlan 100
-bridge fdb add aa:bb:cc:dd:ee:fe dev sw0p2 master <---- Add on all VLANs
+Manually adding FDBs::
+
+ bridge fdb add aa:bb:cc:dd:ee:ff dev sw0p1 master vlan 100
+ bridge fdb add aa:bb:cc:dd:ee:fe dev sw0p2 master <---- Add on all VLANs
-====
MDBs
-====
+----
+
MDBs are automatically added on the appropriate switch port upon detection
-Manually adding MDBs:
-bridge mdb add dev br0 port sw0p1 grp 239.1.1.1 permanent vid 100
-bridge mdb add dev br0 port sw0p1 grp 239.1.1.1 permanent <---- Add on all VLANs
+Manually adding MDBs::
+
+ bridge mdb add dev br0 port sw0p1 grp 239.1.1.1 permanent vid 100
+ bridge mdb add dev br0 port sw0p1 grp 239.1.1.1 permanent <---- Add on all VLANs
-==================
Multicast flooding
==================
CPU port mcast_flooding is always on
@@ -148,9 +177,11 @@ CPU port mcast_flooding is always on
Turning flooding on/off on swithch ports:
bridge link set dev sw0p1 mcast_flood on/off
-==================
Access and Trunk port
-==================
+=====================
+
+::
+
bridge vlan add dev sw0p1 vid 100 pvid untagged master
bridge vlan add dev sw0p2 vid 100 master
@@ -158,52 +189,54 @@ Access and Trunk port
bridge vlan add dev br0 vid 100 self
ip link add link br0 name br0.100 type vlan id 100
- Note. Setting PVID on Bridge device itself working only for
- default VLAN (default_pvid).
+Note. Setting PVID on Bridge device itself working only for
+default VLAN (default_pvid).
+
+NFS
+===
-=====================
- NFS
-=====================
The only way for NFS to work is by chrooting to a minimal environment when
switch configuration that will affect connectivity is needed.
Assuming you are booting NFS with eth1 interface(the script is hacky and
it's just there to prove NFS is doable).
-setup.sh:
-#!/bin/sh
-mkdir proc
-mount -t proc none /proc
-ifconfig br0 > /dev/null
-if [ $? -ne 0 ]; then
- echo "Setting up bridge"
- ip link add name br0 type bridge
- ip link set dev br0 type bridge ageing_time 1000
- ip link set dev br0 type bridge vlan_filtering 1
-
- ip link set eth1 down
- ip link set eth1 name sw0p1
- ip link set dev sw0p1 up
- ip link set dev sw0p2 up
- ip link set dev sw0p2 master br0
- ip link set dev sw0p1 master br0
- bridge vlan add dev br0 vid 1 pvid untagged self
- ifconfig sw0p1 0.0.0.0
- udhchc -i br0
-fi
-umount /proc
-
-run_nfs.sh:
-#!/bin/sh
-mkdir /tmp/root/bin -p
-mkdir /tmp/root/lib -p
-
-cp -r /lib/ /tmp/root/
-cp -r /bin/ /tmp/root/
-cp /sbin/ip /tmp/root/bin
-cp /sbin/bridge /tmp/root/bin
-cp /sbin/ifconfig /tmp/root/bin
-cp /sbin/udhcpc /tmp/root/bin
-cp /path/to/setup.sh /tmp/root/bin
-chroot /tmp/root/ busybox sh /bin/setup.sh
-
-run ./run_nfs.sh
+setup.sh::
+
+ #!/bin/sh
+ mkdir proc
+ mount -t proc none /proc
+ ifconfig br0 > /dev/null
+ if [ $? -ne 0 ]; then
+ echo "Setting up bridge"
+ ip link add name br0 type bridge
+ ip link set dev br0 type bridge ageing_time 1000
+ ip link set dev br0 type bridge vlan_filtering 1
+
+ ip link set eth1 down
+ ip link set eth1 name sw0p1
+ ip link set dev sw0p1 up
+ ip link set dev sw0p2 up
+ ip link set dev sw0p2 master br0
+ ip link set dev sw0p1 master br0
+ bridge vlan add dev br0 vid 1 pvid untagged self
+ ifconfig sw0p1 0.0.0.0
+ udhchc -i br0
+ fi
+ umount /proc
+
+run_nfs.sh:::
+
+ #!/bin/sh
+ mkdir /tmp/root/bin -p
+ mkdir /tmp/root/lib -p
+
+ cp -r /lib/ /tmp/root/
+ cp -r /bin/ /tmp/root/
+ cp /sbin/ip /tmp/root/bin
+ cp /sbin/bridge /tmp/root/bin
+ cp /sbin/ifconfig /tmp/root/bin
+ cp /sbin/udhcpc /tmp/root/bin
+ cp /path/to/setup.sh /tmp/root/bin
+ chroot /tmp/root/ busybox sh /bin/setup.sh
+
+ run ./run_nfs.sh
diff --git a/Documentation/networking/device_drivers/ti/tlan.txt b/Documentation/networking/device_drivers/ti/tlan.rst
index 34550dfcef74..4fdc0907f4fc 100644
--- a/Documentation/networking/device_drivers/ti/tlan.txt
+++ b/Documentation/networking/device_drivers/ti/tlan.rst
@@ -1,20 +1,33 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+TLAN driver for Linux
+=====================
+
+:Version: 1.14a
+
(C) 1997-1998 Caldera, Inc.
+
(C) 1998 James Banks
+
(C) 1999-2001 Torben Mathiasen <tmm@image.dk, torben.mathiasen@compaq.com>
For driver information/updates visit http://www.compaq.com
-TLAN driver for Linux, version 1.14a
-README
-I. Supported Devices.
+
+I. Supported Devices
+====================
Only PCI devices will work with this driver.
Supported:
+
+ ========= ========= ===========================================
Vendor ID Device ID Name
+ ========= ========= ===========================================
0e11 ae32 Compaq Netelligent 10/100 TX PCI UTP
0e11 ae34 Compaq Netelligent 10 T PCI UTP
0e11 ae35 Compaq Integrated NetFlex 3/P
@@ -25,13 +38,14 @@ I. Supported Devices.
0e11 b030 Compaq Netelligent 10/100 TX UTP
0e11 f130 Compaq NetFlex 3/P
0e11 f150 Compaq NetFlex 3/P
- 108d 0012 Olicom OC-2325
+ 108d 0012 Olicom OC-2325
108d 0013 Olicom OC-2183
- 108d 0014 Olicom OC-2326
+ 108d 0014 Olicom OC-2326
+ ========= ========= ===========================================
Caveats:
-
+
I am not sure if 100BaseTX daughterboards (for those cards which
support such things) will work. I haven't had any solid evidence
either way.
@@ -41,21 +55,25 @@ I. Supported Devices.
The "Netelligent 10 T/2 PCI UTP/Coax" (b012) device is untested,
but I do not expect any problems.
-
-II. Driver Options
+
+II. Driver Options
+==================
+
1. You can append debug=x to the end of the insmod line to get
- debug messages, where x is a bit field where the bits mean
+ debug messages, where x is a bit field where the bits mean
the following:
-
+
+ ==== =====================================
0x01 Turn on general debugging messages.
0x02 Turn on receive debugging messages.
0x04 Turn on transmit debugging messages.
0x08 Turn on list debugging messages.
+ ==== =====================================
2. You can append aui=1 to the end of the insmod line to cause
- the adapter to use the AUI interface instead of the 10 Base T
- interface. This is also what to do if you want to use the BNC
+ the adapter to use the AUI interface instead of the 10 Base T
+ interface. This is also what to do if you want to use the BNC
connector on a TLAN based device. (Setting this option on a
device that does not have an AUI/BNC connector will probably
cause it to not function correctly.)
@@ -70,41 +88,45 @@ II. Driver Options
5. You have to use speed=X duplex=Y together now. If you just
do "insmod tlan.o speed=100" the driver will do Auto-Neg.
- To force a 10Mbps Half-Duplex link do "insmod tlan.o speed=10
+ To force a 10Mbps Half-Duplex link do "insmod tlan.o speed=10
duplex=1".
6. If the driver is built into the kernel, you can use the 3rd
and 4th parameters to set aui and debug respectively. For
- example:
+ example::
- ether=0,0,0x1,0x7,eth0
+ ether=0,0,0x1,0x7,eth0
This sets aui to 0x1 and debug to 0x7, assuming eth0 is a
supported TLAN device.
The bits in the third byte are assigned as follows:
- 0x01 = aui
- 0x02 = use half duplex
- 0x04 = use full duplex
- 0x08 = use 10BaseT
- 0x10 = use 100BaseTx
+ ==== ===============
+ 0x01 aui
+ 0x02 use half duplex
+ 0x04 use full duplex
+ 0x08 use 10BaseT
+ 0x10 use 100BaseTx
+ ==== ===============
You also need to set both speed and duplex settings when forcing
- speeds with kernel-parameters.
+ speeds with kernel-parameters.
ether=0,0,0x12,0,eth0 will force link to 100Mbps Half-Duplex.
7. If you have more than one tlan adapter in your system, you can
use the above options on a per adapter basis. To force a 100Mbit/HD
- link with your eth1 adapter use:
-
- insmod tlan speed=0,100 duplex=0,1
+ link with your eth1 adapter use::
+
+ insmod tlan speed=0,100 duplex=0,1
Now eth0 will use auto-neg and eth1 will be forced to 100Mbit/HD.
Note that the tlan driver supports a maximum of 8 adapters.
-III. Things to try if you have problems.
+III. Things to try if you have problems
+=======================================
+
1. Make sure your card's PCI id is among those listed in
section I, above.
2. Make sure routing is correct.
@@ -113,5 +135,6 @@ III. Things to try if you have problems.
There is also a tlan mailing list which you can join by sending "subscribe tlan"
in the body of an email to majordomo@vuser.vu.union.edu.
+
There is also a tlan website at http://www.compaq.com
diff --git a/Documentation/networking/device_drivers/toshiba/spider_net.txt b/Documentation/networking/device_drivers/toshiba/spider_net.rst
index b0b75f8463b3..fe5b32be15cd 100644
--- a/Documentation/networking/device_drivers/toshiba/spider_net.txt
+++ b/Documentation/networking/device_drivers/toshiba/spider_net.rst
@@ -1,6 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
- The Spidernet Device Driver
- ===========================
+===========================
+The Spidernet Device Driver
+===========================
Written by Linas Vepstas <linas@austin.ibm.com>
@@ -78,15 +80,15 @@ GDACTDPA, tail and head pointers. It will also summarize the contents
of the ring, starting at the tail pointer, and listing the status
of the descrs that follow.
-A typical example of the output, for a nearly idle system, might be
+A typical example of the output, for a nearly idle system, might be::
-net eth1: Total number of descrs=256
-net eth1: Chain tail located at descr=20
-net eth1: Chain head is at 20
-net eth1: HW curr desc (GDACTDPA) is at 21
-net eth1: Have 1 descrs with stat=x40800101
-net eth1: HW next desc (GDACNEXTDA) is at 22
-net eth1: Last 255 descrs with stat=xa0800000
+ net eth1: Total number of descrs=256
+ net eth1: Chain tail located at descr=20
+ net eth1: Chain head is at 20
+ net eth1: HW curr desc (GDACTDPA) is at 21
+ net eth1: Have 1 descrs with stat=x40800101
+ net eth1: HW next desc (GDACNEXTDA) is at 22
+ net eth1: Last 255 descrs with stat=xa0800000
In the above, the hardware has filled in one descr, number 20. Both
head and tail are pointing at 20, because it has not yet been emptied.
@@ -101,11 +103,11 @@ The status x4... corresponds to "full" and status xa... corresponds
to "empty". The actual value printed is RXCOMST_A.
In the device driver source code, a different set of names are
-used for these same concepts, so that
+used for these same concepts, so that::
-"empty" == SPIDER_NET_DESCR_CARDOWNED == 0xa
-"full" == SPIDER_NET_DESCR_FRAME_END == 0x4
-"not in use" == SPIDER_NET_DESCR_NOT_IN_USE == 0xf
+ "empty" == SPIDER_NET_DESCR_CARDOWNED == 0xa
+ "full" == SPIDER_NET_DESCR_FRAME_END == 0x4
+ "not in use" == SPIDER_NET_DESCR_NOT_IN_USE == 0xf
The RX RAM full bug/feature
@@ -137,19 +139,19 @@ while the hardware is waiting for a different set of descrs to become
empty.
A call to show_rx_chain() at this point indicates the nature of the
-problem. A typical print when the network is hung shows the following:
-
-net eth1: Spider RX RAM full, incoming packets might be discarded!
-net eth1: Total number of descrs=256
-net eth1: Chain tail located at descr=255
-net eth1: Chain head is at 255
-net eth1: HW curr desc (GDACTDPA) is at 0
-net eth1: Have 1 descrs with stat=xa0800000
-net eth1: HW next desc (GDACNEXTDA) is at 1
-net eth1: Have 127 descrs with stat=x40800101
-net eth1: Have 1 descrs with stat=x40800001
-net eth1: Have 126 descrs with stat=x40800101
-net eth1: Last 1 descrs with stat=xa0800000
+problem. A typical print when the network is hung shows the following::
+
+ net eth1: Spider RX RAM full, incoming packets might be discarded!
+ net eth1: Total number of descrs=256
+ net eth1: Chain tail located at descr=255
+ net eth1: Chain head is at 255
+ net eth1: HW curr desc (GDACTDPA) is at 0
+ net eth1: Have 1 descrs with stat=xa0800000
+ net eth1: HW next desc (GDACNEXTDA) is at 1
+ net eth1: Have 127 descrs with stat=x40800101
+ net eth1: Have 1 descrs with stat=x40800001
+ net eth1: Have 126 descrs with stat=x40800101
+ net eth1: Last 1 descrs with stat=xa0800000
Both the tail and head pointers are pointing at descr 255, which is
marked xa... which is "empty". Thus, from the OS point of view, there
@@ -198,7 +200,3 @@ For large packets, this mechanism generates a relatively small number
of interrupts, about 1K/sec. For smaller packets, this will drop to zero
interrupts, as the hardware can empty the queue faster than the kernel
can fill it.
-
-
- ======= END OF DOCUMENT ========
-
diff --git a/Documentation/networking/devlink-params-sja1105.txt b/Documentation/networking/devlink-params-sja1105.txt
new file mode 100644
index 000000000000..1d71742e270a
--- /dev/null
+++ b/Documentation/networking/devlink-params-sja1105.txt
@@ -0,0 +1,27 @@
+best_effort_vlan_filtering
+ [DEVICE, DRIVER-SPECIFIC]
+ Allow plain ETH_P_8021Q headers to be used as DSA tags.
+ Benefits:
+ - Can terminate untagged traffic over switch net
+ devices even when enslaved to a bridge with
+ vlan_filtering=1.
+ - Can terminate VLAN-tagged traffic over switch net
+ devices even when enslaved to a bridge with
+ vlan_filtering=1, with some constraints (no more than
+ 7 non-pvid VLANs per user port).
+ - Can do QoS based on VLAN PCP and VLAN membership
+ admission control for autonomously forwarded frames
+ (regardless of whether they can be terminated on the
+ CPU or not).
+ Drawbacks:
+ - User cannot use VLANs in range 1024-3071. If the
+ switch receives frames with such VIDs, it will
+ misinterpret them as DSA tags.
+ - Switch uses Shared VLAN Learning (FDB lookup uses
+ only DMAC as key).
+ - When VLANs span cross-chip topologies, the total
+ number of permitted VLANs may be less than 7 per
+ port, due to a maximum number of 32 VLAN retagging
+ rules per switch.
+ Configuration mode: runtime
+ Type: bool.
diff --git a/Documentation/networking/devlink/devlink-region.rst b/Documentation/networking/devlink/devlink-region.rst
index 04e04d1ff627..3654c3e9658f 100644
--- a/Documentation/networking/devlink/devlink-region.rst
+++ b/Documentation/networking/devlink/devlink-region.rst
@@ -14,6 +14,10 @@ Region snapshots are collected by the driver, and can be accessed via read
or dump commands. This allows future analysis on the created snapshots.
Regions may optionally support triggering snapshots on demand.
+Snapshot identifiers are scoped to the devlink instance, not a region.
+All snapshots with the same snapshot id within a devlink instance
+correspond to the same event.
+
The major benefit to creating a region is to provide access to internal
address regions that are otherwise inaccessible to the user.
@@ -23,7 +27,9 @@ states, but see also :doc:`devlink-health`
Regions may optionally support capturing a snapshot on demand via the
``DEVLINK_CMD_REGION_NEW`` netlink message. A driver wishing to allow
requested snapshots must implement the ``.snapshot`` callback for the region
-in its ``devlink_region_ops`` structure.
+in its ``devlink_region_ops`` structure. If snapshot id is not set in
+the ``DEVLINK_CMD_REGION_NEW`` request kernel will allocate one and send
+the snapshot information to user space.
example usage
-------------
@@ -45,7 +51,8 @@ example usage
$ devlink region del pci/0000:00:05.0/cr-space snapshot 1
# Request an immediate snapshot, if supported by the region
- $ devlink region new pci/0000:00:05.0/cr-space snapshot 5
+ $ devlink region new pci/0000:00:05.0/cr-space
+ pci/0000:00:05.0/cr-space: snapshot 5
# Dump a snapshot:
$ devlink region dump pci/0000:00:05.0/fw-health snapshot 1
diff --git a/Documentation/networking/devlink/devlink-trap.rst b/Documentation/networking/devlink/devlink-trap.rst
index fe089acb7783..1e3f3ffee248 100644
--- a/Documentation/networking/devlink/devlink-trap.rst
+++ b/Documentation/networking/devlink/devlink-trap.rst
@@ -55,7 +55,7 @@ The following diagram provides a general overview of ``devlink-trap``::
| |
+-------^--------+
|
- |
+ | Non-control traps
|
+----+----+
| | Kernel's Rx path
@@ -97,6 +97,12 @@ The ``devlink-trap`` mechanism supports the following packet trap types:
processed by ``devlink`` and injected to the kernel's Rx path. Changing the
action of such traps is not allowed, as it can easily break the control
plane.
+ * ``control``: Trapped packets were trapped by the device because these are
+ control packets required for the correct functioning of the control plane.
+ For example, ARP request and IGMP query packets. Packets are injected to
+ the kernel's Rx path, but not reported to the kernel's drop monitor.
+ Changing the action of such traps is not allowed, as it can easily break
+ the control plane.
.. _Trap-Actions:
@@ -108,6 +114,8 @@ The ``devlink-trap`` mechanism supports the following packet trap actions:
* ``trap``: The sole copy of the packet is sent to the CPU.
* ``drop``: The packet is dropped by the underlying device and a copy is not
sent to the CPU.
+ * ``mirror``: The packet is forwarded by the underlying device and a copy is
+ sent to the CPU.
Generic Packet Traps
====================
@@ -244,6 +252,159 @@ be added to the following table:
* - ``egress_flow_action_drop``
- ``drop``
- Traps packets dropped during processing of egress flow action drop
+ * - ``stp``
+ - ``control``
+ - Traps STP packets
+ * - ``lacp``
+ - ``control``
+ - Traps LACP packets
+ * - ``lldp``
+ - ``control``
+ - Traps LLDP packets
+ * - ``igmp_query``
+ - ``control``
+ - Traps IGMP Membership Query packets
+ * - ``igmp_v1_report``
+ - ``control``
+ - Traps IGMP Version 1 Membership Report packets
+ * - ``igmp_v2_report``
+ - ``control``
+ - Traps IGMP Version 2 Membership Report packets
+ * - ``igmp_v3_report``
+ - ``control``
+ - Traps IGMP Version 3 Membership Report packets
+ * - ``igmp_v2_leave``
+ - ``control``
+ - Traps IGMP Version 2 Leave Group packets
+ * - ``mld_query``
+ - ``control``
+ - Traps MLD Multicast Listener Query packets
+ * - ``mld_v1_report``
+ - ``control``
+ - Traps MLD Version 1 Multicast Listener Report packets
+ * - ``mld_v2_report``
+ - ``control``
+ - Traps MLD Version 2 Multicast Listener Report packets
+ * - ``mld_v1_done``
+ - ``control``
+ - Traps MLD Version 1 Multicast Listener Done packets
+ * - ``ipv4_dhcp``
+ - ``control``
+ - Traps IPv4 DHCP packets
+ * - ``ipv6_dhcp``
+ - ``control``
+ - Traps IPv6 DHCP packets
+ * - ``arp_request``
+ - ``control``
+ - Traps ARP request packets
+ * - ``arp_response``
+ - ``control``
+ - Traps ARP response packets
+ * - ``arp_overlay``
+ - ``control``
+ - Traps NVE-decapsulated ARP packets that reached the overlay network.
+ This is required, for example, when the address that needs to be
+ resolved is a local address
+ * - ``ipv6_neigh_solicit``
+ - ``control``
+ - Traps IPv6 Neighbour Solicitation packets
+ * - ``ipv6_neigh_advert``
+ - ``control``
+ - Traps IPv6 Neighbour Advertisement packets
+ * - ``ipv4_bfd``
+ - ``control``
+ - Traps IPv4 BFD packets
+ * - ``ipv6_bfd``
+ - ``control``
+ - Traps IPv6 BFD packets
+ * - ``ipv4_ospf``
+ - ``control``
+ - Traps IPv4 OSPF packets
+ * - ``ipv6_ospf``
+ - ``control``
+ - Traps IPv6 OSPF packets
+ * - ``ipv4_bgp``
+ - ``control``
+ - Traps IPv4 BGP packets
+ * - ``ipv6_bgp``
+ - ``control``
+ - Traps IPv6 BGP packets
+ * - ``ipv4_vrrp``
+ - ``control``
+ - Traps IPv4 VRRP packets
+ * - ``ipv6_vrrp``
+ - ``control``
+ - Traps IPv6 VRRP packets
+ * - ``ipv4_pim``
+ - ``control``
+ - Traps IPv4 PIM packets
+ * - ``ipv6_pim``
+ - ``control``
+ - Traps IPv6 PIM packets
+ * - ``uc_loopback``
+ - ``control``
+ - Traps unicast packets that need to be routed through the same layer 3
+ interface from which they were received. Such packets are routed by the
+ kernel, but also cause it to potentially generate ICMP redirect packets
+ * - ``local_route``
+ - ``control``
+ - Traps unicast packets that hit a local route and need to be locally
+ delivered
+ * - ``external_route``
+ - ``control``
+ - Traps packets that should be routed through an external interface (e.g.,
+ management interface) that does not belong to the same device (e.g.,
+ switch ASIC) as the ingress interface
+ * - ``ipv6_uc_dip_link_local_scope``
+ - ``control``
+ - Traps unicast IPv6 packets that need to be routed and have a destination
+ IP address with a link-local scope (i.e., fe80::/10). The trap allows
+ device drivers to avoid programming link-local routes, but still receive
+ packets for local delivery
+ * - ``ipv6_dip_all_nodes``
+ - ``control``
+ - Traps IPv6 packets that their destination IP address is the "All Nodes
+ Address" (i.e., ff02::1)
+ * - ``ipv6_dip_all_routers``
+ - ``control``
+ - Traps IPv6 packets that their destination IP address is the "All Routers
+ Address" (i.e., ff02::2)
+ * - ``ipv6_router_solicit``
+ - ``control``
+ - Traps IPv6 Router Solicitation packets
+ * - ``ipv6_router_advert``
+ - ``control``
+ - Traps IPv6 Router Advertisement packets
+ * - ``ipv6_redirect``
+ - ``control``
+ - Traps IPv6 Redirect Message packets
+ * - ``ipv4_router_alert``
+ - ``control``
+ - Traps IPv4 packets that need to be routed and include the Router Alert
+ option. Such packets need to be locally delivered to raw sockets that
+ have the IP_ROUTER_ALERT socket option set
+ * - ``ipv6_router_alert``
+ - ``control``
+ - Traps IPv6 packets that need to be routed and include the Router Alert
+ option in their Hop-by-Hop extension header. Such packets need to be
+ locally delivered to raw sockets that have the IPV6_ROUTER_ALERT socket
+ option set
+ * - ``ptp_event``
+ - ``control``
+ - Traps PTP time-critical event messages (Sync, Delay_req, Pdelay_Req and
+ Pdelay_Resp)
+ * - ``ptp_general``
+ - ``control``
+ - Traps PTP general messages (Announce, Follow_Up, Delay_Resp,
+ Pdelay_Resp_Follow_Up, management and signaling)
+ * - ``flow_action_sample``
+ - ``control``
+ - Traps packets sampled during processing of flow action sample (e.g., via
+ tc's sample action)
+ * - ``flow_action_trap``
+ - ``control``
+ - Traps packets logged during processing of flow action trap (e.g., via
+ tc's trap action)
Driver-specific Packet Traps
============================
@@ -277,8 +438,11 @@ narrow. The description of these groups must be added to the following table:
- Contains packet traps for packets that were dropped by the device during
layer 2 forwarding (i.e., bridge)
* - ``l3_drops``
- - Contains packet traps for packets that were dropped by the device or hit
- an exception (e.g., TTL error) during layer 3 forwarding
+ - Contains packet traps for packets that were dropped by the device during
+ layer 3 forwarding
+ * - ``l3_exceptions``
+ - Contains packet traps for packets that hit an exception (e.g., TTL
+ error) during layer 3 forwarding
* - ``buffer_drops``
- Contains packet traps for packets that were dropped by the device due to
an enqueue decision
@@ -288,6 +452,55 @@ narrow. The description of these groups must be added to the following table:
* - ``acl_drops``
- Contains packet traps for packets that were dropped by the device during
ACL processing
+ * - ``stp``
+ - Contains packet traps for STP packets
+ * - ``lacp``
+ - Contains packet traps for LACP packets
+ * - ``lldp``
+ - Contains packet traps for LLDP packets
+ * - ``mc_snooping``
+ - Contains packet traps for IGMP and MLD packets required for multicast
+ snooping
+ * - ``dhcp``
+ - Contains packet traps for DHCP packets
+ * - ``neigh_discovery``
+ - Contains packet traps for neighbour discovery packets (e.g., ARP, IPv6
+ ND)
+ * - ``bfd``
+ - Contains packet traps for BFD packets
+ * - ``ospf``
+ - Contains packet traps for OSPF packets
+ * - ``bgp``
+ - Contains packet traps for BGP packets
+ * - ``vrrp``
+ - Contains packet traps for VRRP packets
+ * - ``pim``
+ - Contains packet traps for PIM packets
+ * - ``uc_loopback``
+ - Contains a packet trap for unicast loopback packets (i.e.,
+ ``uc_loopback``). This trap is singled-out because in cases such as
+ one-armed router it will be constantly triggered. To limit the impact on
+ the CPU usage, a packet trap policer with a low rate can be bound to the
+ group without affecting other traps
+ * - ``local_delivery``
+ - Contains packet traps for packets that should be locally delivered after
+ routing, but do not match more specific packet traps (e.g.,
+ ``ipv4_bgp``)
+ * - ``ipv6``
+ - Contains packet traps for various IPv6 control packets (e.g., Router
+ Advertisements)
+ * - ``ptp_event``
+ - Contains packet traps for PTP time-critical event messages (Sync,
+ Delay_req, Pdelay_Req and Pdelay_Resp)
+ * - ``ptp_general``
+ - Contains packet traps for PTP general messages (Announce, Follow_Up,
+ Delay_Resp, Pdelay_Resp_Follow_Up, management and signaling)
+ * - ``acl_sample``
+ - Contains packet traps for packets that were sampled by the device during
+ ACL processing
+ * - ``acl_trap``
+ - Contains packet traps for packets that were trapped (logged) by the
+ device during ACL processing
Packet Trap Policers
====================
diff --git a/Documentation/networking/devlink/ice.rst b/Documentation/networking/devlink/ice.rst
index 5b58fc4e1268..72ea8d295724 100644
--- a/Documentation/networking/devlink/ice.rst
+++ b/Documentation/networking/devlink/ice.rst
@@ -61,14 +61,25 @@ The ``ice`` driver reports the following versions
- running
- ICE OS Default Package
- The name of the DDP package that is active in the device. The DDP
- package is loaded by the driver during initialization. Each varation
- of DDP package shall have a unique name.
+ package is loaded by the driver during initialization. Each
+ variation of the DDP package has a unique name.
* - ``fw.app``
- running
- 1.3.1.0
- The version of the DDP package that is active in the device. Note
that both the name (as reported by ``fw.app.name``) and version are
required to uniquely identify the package.
+ * - ``fw.netlist``
+ - running
+ - 1.1.2000-6.7.0
+ - The version of the netlist module. This module defines the device's
+ Ethernet capabilities and default settings, and is used by the
+ management firmware as part of managing link and device
+ connectivity.
+ * - ``fw.netlist.build``
+ - running
+ - 0xee16ced7
+ - The first 4 bytes of the hash of the netlist module contents.
Regions
=======
diff --git a/Documentation/networking/dns_resolver.txt b/Documentation/networking/dns_resolver.rst
index eaa8f9a6fd5d..add4d59a99a5 100644
--- a/Documentation/networking/dns_resolver.txt
+++ b/Documentation/networking/dns_resolver.rst
@@ -1,8 +1,10 @@
- ===================
- DNS Resolver Module
- ===================
+.. SPDX-License-Identifier: GPL-2.0
-Contents:
+===================
+DNS Resolver Module
+===================
+
+.. Contents:
- Overview.
- Compilation.
@@ -12,8 +14,7 @@ Contents:
- Debugging.
-========
-OVERVIEW
+Overview
========
The DNS resolver module provides a way for kernel services to make DNS queries
@@ -33,50 +34,50 @@ It does not yet support the following AFS features:
This code is extracted from the CIFS filesystem.
-===========
-COMPILATION
+Compilation
===========
-The module should be enabled by turning on the kernel configuration options:
+The module should be enabled by turning on the kernel configuration options::
CONFIG_DNS_RESOLVER - tristate "DNS Resolver support"
-==========
-SETTING UP
+Setting up
==========
To set up this facility, the /etc/request-key.conf file must be altered so that
/sbin/request-key can appropriately direct the upcalls. For example, to handle
basic dname to IPv4/IPv6 address resolution, the following line should be
-added:
+added::
+
#OP TYPE DESC CO-INFO PROGRAM ARG1 ARG2 ARG3 ...
#====== ============ ======= ======= ==========================
create dns_resolver * * /usr/sbin/cifs.upcall %k
To direct a query for query type 'foo', a line of the following should be added
-before the more general line given above as the first match is the one taken.
+before the more general line given above as the first match is the one taken::
create dns_resolver foo:* * /usr/sbin/dns.foo %k
-=====
-USAGE
+Usage
=====
To make use of this facility, one of the following functions that are
-implemented in the module can be called after doing:
+implemented in the module can be called after doing::
#include <linux/dns_resolver.h>
- (1) int dns_query(const char *type, const char *name, size_t namelen,
- const char *options, char **_result, time_t *_expiry);
+ ::
+
+ int dns_query(const char *type, const char *name, size_t namelen,
+ const char *options, char **_result, time_t *_expiry);
This is the basic access function. It looks for a cached DNS query and if
it doesn't find it, it upcalls to userspace to make a new DNS query, which
may then be cached. The key description is constructed as a string of the
- form:
+ form::
[<type>:]<name>
@@ -107,16 +108,14 @@ This can be cleared by any process that has the CAP_SYS_ADMIN capability by
the use of KEYCTL_KEYRING_CLEAR on the keyring ID.
-===============================
-READING DNS KEYS FROM USERSPACE
+Reading DNS Keys from Userspace
===============================
Keys of dns_resolver type can be read from userspace using keyctl_read() or
"keyctl read/print/pipe".
-=========
-MECHANISM
+Mechanism
=========
The dnsresolver module registers a key type called "dns_resolver". Keys of
@@ -147,11 +146,10 @@ See <file:Documentation/security/keys/request-key.rst> for further
information about request-key function.
-=========
-DEBUGGING
+Debugging
=========
Debugging messages can be turned on dynamically by writing a 1 into the
-following file:
+following file::
- /sys/module/dnsresolver/parameters/debug
+ /sys/module/dnsresolver/parameters/debug
diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.rst
index da59e2884130..c8f59dbda46f 100644
--- a/Documentation/networking/driver.txt
+++ b/Documentation/networking/driver.rst
@@ -1,4 +1,8 @@
-Document about softnet driver issues
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+Softnet Driver Issues
+=====================
Transmit path guidelines:
@@ -8,7 +12,7 @@ Transmit path guidelines:
transmit function will become busy.
Instead it must maintain the queue properly. For example,
- for a driver implementing scatter-gather this means:
+ for a driver implementing scatter-gather this means::
static netdev_tx_t drv_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -38,25 +42,25 @@ Transmit path guidelines:
return NETDEV_TX_OK;
}
- And then at the end of your TX reclamation event handling:
+ And then at the end of your TX reclamation event handling::
if (netif_queue_stopped(dp->dev) &&
- TX_BUFFS_AVAIL(dp) > (MAX_SKB_FRAGS + 1))
+ TX_BUFFS_AVAIL(dp) > (MAX_SKB_FRAGS + 1))
netif_wake_queue(dp->dev);
- For a non-scatter-gather supporting card, the three tests simply become:
+ For a non-scatter-gather supporting card, the three tests simply become::
/* This is a hard error log it. */
if (TX_BUFFS_AVAIL(dp) <= 0)
- and:
+ and::
if (TX_BUFFS_AVAIL(dp) == 0)
- and:
+ and::
if (netif_queue_stopped(dp->dev) &&
- TX_BUFFS_AVAIL(dp) > 0)
+ TX_BUFFS_AVAIL(dp) > 0)
netif_wake_queue(dp->dev);
2) An ndo_start_xmit method must not modify the shared parts of a
@@ -86,7 +90,7 @@ Close/stop guidelines:
1) After the ndo_stop routine has been called, the hardware must
not receive or transmit any data. All in flight packets must
- be aborted. If necessary, poll or wait for completion of
+ be aborted. If necessary, poll or wait for completion of
any reset commands.
2) The ndo_stop routine will be called by unregister_netdevice
diff --git a/Documentation/networking/dsa/sja1105.rst b/Documentation/networking/dsa/sja1105.rst
index 64553d8d91cb..b6bbc17814fb 100644
--- a/Documentation/networking/dsa/sja1105.rst
+++ b/Documentation/networking/dsa/sja1105.rst
@@ -66,34 +66,193 @@ reprogrammed with the updated static configuration.
Traffic support
===============
-The switches do not support switch tagging in hardware. But they do support
-customizing the TPID by which VLAN traffic is identified as such. The switch
-driver is leveraging ``CONFIG_NET_DSA_TAG_8021Q`` by requesting that special
-VLANs (with a custom TPID of ``ETH_P_EDSA`` instead of ``ETH_P_8021Q``) are
-installed on its ports when not in ``vlan_filtering`` mode. This does not
-interfere with the reception and transmission of real 802.1Q-tagged traffic,
-because the switch does no longer parse those packets as VLAN after the TPID
-change.
-The TPID is restored when ``vlan_filtering`` is requested by the user through
-the bridge layer, and general IP termination becomes no longer possible through
-the switch netdevices in this mode.
-
-The switches have two programmable filters for link-local destination MACs.
+The switches do not have hardware support for DSA tags, except for "slow
+protocols" for switch control as STP and PTP. For these, the switches have two
+programmable filters for link-local destination MACs.
These are used to trap BPDUs and PTP traffic to the master netdevice, and are
further used to support STP and 1588 ordinary clock/boundary clock
-functionality.
-
-The following traffic modes are supported over the switch netdevices:
-
-+--------------------+------------+------------------+------------------+
-| | Standalone | Bridged with | Bridged with |
-| | ports | vlan_filtering 0 | vlan_filtering 1 |
-+====================+============+==================+==================+
-| Regular traffic | Yes | Yes | No (use master) |
-+--------------------+------------+------------------+------------------+
-| Management traffic | Yes | Yes | Yes |
-| (BPDU, PTP) | | | |
-+--------------------+------------+------------------+------------------+
+functionality. For frames trapped to the CPU, source port and switch ID
+information is encoded by the hardware into the frames.
+
+But by leveraging ``CONFIG_NET_DSA_TAG_8021Q`` (a software-defined DSA tagging
+format based on VLANs), general-purpose traffic termination through the network
+stack can be supported under certain circumstances.
+
+Depending on VLAN awareness state, the following operating modes are possible
+with the switch:
+
+- Mode 1 (VLAN-unaware): a port is in this mode when it is used as a standalone
+ net device, or when it is enslaved to a bridge with ``vlan_filtering=0``.
+- Mode 2 (fully VLAN-aware): a port is in this mode when it is enslaved to a
+ bridge with ``vlan_filtering=1``. Access to the entire VLAN range is given to
+ the user through ``bridge vlan`` commands, but general-purpose (anything
+ other than STP, PTP etc) traffic termination is not possible through the
+ switch net devices. The other packets can be still by user space processed
+ through the DSA master interface (similar to ``DSA_TAG_PROTO_NONE``).
+- Mode 3 (best-effort VLAN-aware): a port is in this mode when enslaved to a
+ bridge with ``vlan_filtering=1``, and the devlink property of its parent
+ switch named ``best_effort_vlan_filtering`` is set to ``true``. When
+ configured like this, the range of usable VIDs is reduced (0 to 1023 and 3072
+ to 4094), so is the number of usable VIDs (maximum of 7 non-pvid VLANs per
+ port*), and shared VLAN learning is performed (FDB lookup is done only by
+ DMAC, not also by VID).
+
+To summarize, in each mode, the following types of traffic are supported over
+the switch net devices:
+
++-------------+-----------+--------------+------------+
+| | Mode 1 | Mode 2 | Mode 3 |
++=============+===========+==============+============+
+| Regular | Yes | No | Yes |
+| traffic | | (use master) | |
++-------------+-----------+--------------+------------+
+| Management | Yes | Yes | Yes |
+| traffic | | | |
+| (BPDU, PTP) | | | |
++-------------+-----------+--------------+------------+
+
+To configure the switch to operate in Mode 3, the following steps can be
+followed::
+
+ ip link add dev br0 type bridge
+ # swp2 operates in Mode 1 now
+ ip link set dev swp2 master br0
+ # swp2 temporarily moves to Mode 2
+ ip link set dev br0 type bridge vlan_filtering 1
+ [ 61.204770] sja1105 spi0.1: Reset switch and programmed static config. Reason: VLAN filtering
+ [ 61.239944] sja1105 spi0.1: Disabled switch tagging
+ # swp3 now operates in Mode 3
+ devlink dev param set spi/spi0.1 name best_effort_vlan_filtering value true cmode runtime
+ [ 64.682927] sja1105 spi0.1: Reset switch and programmed static config. Reason: VLAN filtering
+ [ 64.711925] sja1105 spi0.1: Enabled switch tagging
+ # Cannot use VLANs in range 1024-3071 while in Mode 3.
+ bridge vlan add dev swp2 vid 1025 untagged pvid
+ RTNETLINK answers: Operation not permitted
+ bridge vlan add dev swp2 vid 100
+ bridge vlan add dev swp2 vid 101 untagged
+ bridge vlan
+ port vlan ids
+ swp5 1 PVID Egress Untagged
+
+ swp2 1 PVID Egress Untagged
+ 100
+ 101 Egress Untagged
+
+ swp3 1 PVID Egress Untagged
+
+ swp4 1 PVID Egress Untagged
+
+ br0 1 PVID Egress Untagged
+ bridge vlan add dev swp2 vid 102
+ bridge vlan add dev swp2 vid 103
+ bridge vlan add dev swp2 vid 104
+ bridge vlan add dev swp2 vid 105
+ bridge vlan add dev swp2 vid 106
+ bridge vlan add dev swp2 vid 107
+ # Cannot use mode than 7 VLANs per port while in Mode 3.
+ [ 3885.216832] sja1105 spi0.1: No more free subvlans
+
+\* "maximum of 7 non-pvid VLANs per port": Decoding VLAN-tagged packets on the
+CPU in mode 3 is possible through VLAN retagging of packets that go from the
+switch to the CPU. In cross-chip topologies, the port that goes to the CPU
+might also go to other switches. In that case, those other switches will see
+only a retagged packet (which only has meaning for the CPU). So if they are
+interested in this VLAN, they need to apply retagging in the reverse direction,
+to recover the original value from it. This consumes extra hardware resources
+for this switch. There is a maximum of 32 entries in the Retagging Table of
+each switch device.
+
+As an example, consider this cross-chip topology::
+
+ +-------------------------------------------------+
+ | Host SoC |
+ | +-------------------------+ |
+ | | DSA master for embedded | |
+ | | switch (non-sja1105) | |
+ | +--------+-------------------------+--------+ |
+ | | embedded L2 switch | |
+ | | | |
+ | | +--------------+ +--------------+ | |
+ | | |DSA master for| |DSA master for| | |
+ | | | SJA1105 1 | | SJA1105 2 | | |
+ +--+---+--------------+-----+--------------+---+--+
+
+ +-----------------------+ +-----------------------+
+ | SJA1105 switch 1 | | SJA1105 switch 2 |
+ +-----+-----+-----+-----+ +-----+-----+-----+-----+
+ |sw1p0|sw1p1|sw1p2|sw1p3| |sw2p0|sw2p1|sw2p2|sw2p3|
+ +-----+-----+-----+-----+ +-----+-----+-----+-----+
+
+To reach the CPU, SJA1105 switch 1 (spi/spi2.1) uses the same port as is uses
+to reach SJA1105 switch 2 (spi/spi2.2), which would be port 4 (not drawn).
+Similarly for SJA1105 switch 2.
+
+Also consider the following commands, that add VLAN 100 to every sja1105 user
+port::
+
+ devlink dev param set spi/spi2.1 name best_effort_vlan_filtering value true cmode runtime
+ devlink dev param set spi/spi2.2 name best_effort_vlan_filtering value true cmode runtime
+ ip link add dev br0 type bridge
+ for port in sw1p0 sw1p1 sw1p2 sw1p3 \
+ sw2p0 sw2p1 sw2p2 sw2p3; do
+ ip link set dev $port master br0
+ done
+ ip link set dev br0 type bridge vlan_filtering 1
+ for port in sw1p0 sw1p1 sw1p2 sw1p3 \
+ sw2p0 sw2p1 sw2p2; do
+ bridge vlan add dev $port vid 100
+ done
+ ip link add link br0 name br0.100 type vlan id 100 && ip link set dev br0.100 up
+ ip addr add 192.168.100.3/24 dev br0.100
+ bridge vlan add dev br0 vid 100 self
+
+ bridge vlan
+ port vlan ids
+ sw1p0 1 PVID Egress Untagged
+ 100
+
+ sw1p1 1 PVID Egress Untagged
+ 100
+
+ sw1p2 1 PVID Egress Untagged
+ 100
+
+ sw1p3 1 PVID Egress Untagged
+ 100
+
+ sw2p0 1 PVID Egress Untagged
+ 100
+
+ sw2p1 1 PVID Egress Untagged
+ 100
+
+ sw2p2 1 PVID Egress Untagged
+ 100
+
+ sw2p3 1 PVID Egress Untagged
+
+ br0 1 PVID Egress Untagged
+ 100
+
+SJA1105 switch 1 consumes 1 retagging entry for each VLAN on each user port
+towards the CPU. It also consumes 1 retagging entry for each non-pvid VLAN that
+it is also interested in, which is configured on any port of any neighbor
+switch.
+
+In this case, SJA1105 switch 1 consumes a total of 11 retagging entries, as
+follows:
+- 8 retagging entries for VLANs 1 and 100 installed on its user ports
+ (``sw1p0`` - ``sw1p3``)
+- 3 retagging entries for VLAN 100 installed on the user ports of SJA1105
+ switch 2 (``sw2p0`` - ``sw2p2``), because it also has ports that are
+ interested in it. The VLAN 1 is a pvid on SJA1105 switch 2 and does not need
+ reverse retagging.
+
+SJA1105 switch 2 also consumes 11 retagging entries, but organized as follows:
+- 7 retagging entries for the bridge VLANs on its user ports (``sw2p0`` -
+ ``sw2p3``).
+- 4 retagging entries for VLAN 100 installed on the user ports of SJA1105
+ switch 1 (``sw1p0`` - ``sw1p3``).
Switching features
==================
@@ -230,6 +389,122 @@ simultaneously on two ports. The driver checks the consistency of the schedules
against this restriction and errors out when appropriate. Schedule analysis is
needed to avoid this, which is outside the scope of the document.
+Routing actions (redirect, trap, drop)
+--------------------------------------
+
+The switch is able to offload flow-based redirection of packets to a set of
+destination ports specified by the user. Internally, this is implemented by
+making use of Virtual Links, a TTEthernet concept.
+
+The driver supports 2 types of keys for Virtual Links:
+
+- VLAN-aware virtual links: these match on destination MAC address, VLAN ID and
+ VLAN PCP.
+- VLAN-unaware virtual links: these match on destination MAC address only.
+
+The VLAN awareness state of the bridge (vlan_filtering) cannot be changed while
+there are virtual link rules installed.
+
+Composing multiple actions inside the same rule is supported. When only routing
+actions are requested, the driver creates a "non-critical" virtual link. When
+the action list also contains tc-gate (more details below), the virtual link
+becomes "time-critical" (draws frame buffers from a reserved memory partition,
+etc).
+
+The 3 routing actions that are supported are "trap", "drop" and "redirect".
+
+Example 1: send frames received on swp2 with a DA of 42:be:24:9b:76:20 to the
+CPU and to swp3. This type of key (DA only) when the port's VLAN awareness
+state is off::
+
+ tc qdisc add dev swp2 clsact
+ tc filter add dev swp2 ingress flower skip_sw dst_mac 42:be:24:9b:76:20 \
+ action mirred egress redirect dev swp3 \
+ action trap
+
+Example 2: drop frames received on swp2 with a DA of 42:be:24:9b:76:20, a VID
+of 100 and a PCP of 0::
+
+ tc filter add dev swp2 ingress protocol 802.1Q flower skip_sw \
+ dst_mac 42:be:24:9b:76:20 vlan_id 100 vlan_prio 0 action drop
+
+Time-based ingress policing
+---------------------------
+
+The TTEthernet hardware abilities of the switch can be constrained to act
+similarly to the Per-Stream Filtering and Policing (PSFP) clause specified in
+IEEE 802.1Q-2018 (formerly 802.1Qci). This means it can be used to perform
+tight timing-based admission control for up to 1024 flows (identified by a
+tuple composed of destination MAC address, VLAN ID and VLAN PCP). Packets which
+are received outside their expected reception window are dropped.
+
+This capability can be managed through the offload of the tc-gate action. As
+routing actions are intrinsic to virtual links in TTEthernet (which performs
+explicit routing of time-critical traffic and does not leave that in the hands
+of the FDB, flooding etc), the tc-gate action may never appear alone when
+asking sja1105 to offload it. One (or more) redirect or trap actions must also
+follow along.
+
+Example: create a tc-taprio schedule that is phase-aligned with a tc-gate
+schedule (the clocks must be synchronized by a 1588 application stack, which is
+outside the scope of this document). No packet delivered by the sender will be
+dropped. Note that the reception window is larger than the transmission window
+(and much more so, in this example) to compensate for the packet propagation
+delay of the link (which can be determined by the 1588 application stack).
+
+Receiver (sja1105)::
+
+ tc qdisc add dev swp2 clsact
+ now=$(phc_ctl /dev/ptp1 get | awk '/clock time is/ {print $5}') && \
+ sec=$(echo $now | awk -F. '{print $1}') && \
+ base_time="$(((sec + 2) * 1000000000))" && \
+ echo "base time ${base_time}"
+ tc filter add dev swp2 ingress flower skip_sw \
+ dst_mac 42:be:24:9b:76:20 \
+ action gate base-time ${base_time} \
+ sched-entry OPEN 60000 -1 -1 \
+ sched-entry CLOSE 40000 -1 -1 \
+ action trap
+
+Sender::
+
+ now=$(phc_ctl /dev/ptp0 get | awk '/clock time is/ {print $5}') && \
+ sec=$(echo $now | awk -F. '{print $1}') && \
+ base_time="$(((sec + 2) * 1000000000))" && \
+ echo "base time ${base_time}"
+ tc qdisc add dev eno0 parent root taprio \
+ num_tc 8 \
+ map 0 1 2 3 4 5 6 7 \
+ queues 1@0 1@1 1@2 1@3 1@4 1@5 1@6 1@7 \
+ base-time ${base_time} \
+ sched-entry S 01 50000 \
+ sched-entry S 00 50000 \
+ flags 2
+
+The engine used to schedule the ingress gate operations is the same that the
+one used for the tc-taprio offload. Therefore, the restrictions regarding the
+fact that no two gate actions (either tc-gate or tc-taprio gates) may fire at
+the same time (during the same 200 ns slot) still apply.
+
+To come in handy, it is possible to share time-triggered virtual links across
+more than 1 ingress port, via flow blocks. In this case, the restriction of
+firing at the same time does not apply because there is a single schedule in
+the system, that of the shared virtual link::
+
+ tc qdisc add dev swp2 ingress_block 1 clsact
+ tc qdisc add dev swp3 ingress_block 1 clsact
+ tc filter add block 1 flower skip_sw dst_mac 42:be:24:9b:76:20 \
+ action gate index 2 \
+ base-time 0 \
+ sched-entry OPEN 50000000 -1 -1 \
+ sched-entry CLOSE 50000000 -1 -1 \
+ action trap
+
+Hardware statistics for each flow are also available ("pkts" counts the number
+of dropped frames, which is a sum of frames dropped due to timing violations,
+lack of destination ports and MTU enforcement checks). Byte-level counters are
+not available.
+
Device Tree bindings and board design
=====================================
diff --git a/Documentation/networking/eql.txt b/Documentation/networking/eql.rst
index 0f1550150f05..a628c4c81166 100644
--- a/Documentation/networking/eql.txt
+++ b/Documentation/networking/eql.rst
@@ -1,5 +1,11 @@
- EQL Driver: Serial IP Load Balancing HOWTO
+.. SPDX-License-Identifier: GPL-2.0
+
+==========================================
+EQL Driver: Serial IP Load Balancing HOWTO
+==========================================
+
Simon "Guru Aleph-Null" Janes, simon@ncm.com
+
v1.1, February 27, 1995
This is the manual for the EQL device driver. EQL is a software device
@@ -12,7 +18,8 @@
which was only created to patch cleanly in the very latest kernel
source trees. (Yes, it worked fine.)
- 1. Introduction
+1. Introduction
+===============
Which is worse? A huge fee for a 56K leased line or two phone lines?
It's probably the former. If you find yourself craving more bandwidth,
@@ -41,47 +48,40 @@
Hey, we can all dream you know...
- 2. Kernel Configuration
+2. Kernel Configuration
+=======================
Here I describe the general steps of getting a kernel up and working
with the eql driver. From patching, building, to installing.
- 2.1. Patching The Kernel
+2.1. Patching The Kernel
+------------------------
If you do not have or cannot get a copy of the kernel with the eql
driver folded into it, get your copy of the driver from
ftp://slaughter.ncm.com/pub/Linux/LOAD_BALANCING/eql-1.1.tar.gz.
Unpack this archive someplace obvious like /usr/local/src/. It will
- create the following files:
-
-
+ create the following files::
- ______________________________________________________________________
-rw-r--r-- guru/ncm 198 Jan 19 18:53 1995 eql-1.1/NO-WARRANTY
-rw-r--r-- guru/ncm 30620 Feb 27 21:40 1995 eql-1.1/eql-1.1.patch
-rwxr-xr-x guru/ncm 16111 Jan 12 22:29 1995 eql-1.1/eql_enslave
-rw-r--r-- guru/ncm 2195 Jan 10 21:48 1995 eql-1.1/eql_enslave.c
- ______________________________________________________________________
Unpack a recent kernel (something after 1.1.92) someplace convenient
like say /usr/src/linux-1.1.92.eql. Use symbolic links to point
/usr/src/linux to this development directory.
- Apply the patch by running the commands:
+ Apply the patch by running the commands::
-
- ______________________________________________________________________
cd /usr/src
patch </usr/local/src/eql-1.1/eql-1.1.patch
- ______________________________________________________________________
-
-
-
- 2.2. Building The Kernel
+2.2. Building The Kernel
+------------------------
After patching the kernel, run make config and configure the kernel
for your hardware.
@@ -90,7 +90,8 @@
After configuration, make and install according to your habit.
- 3. Network Configuration
+3. Network Configuration
+========================
So far, I have only used the eql device with the DSLIP SLIP connection
manager by Matt Dillon (-- "The man who sold his soul to code so much
@@ -100,37 +101,27 @@
connection.
- 3.1. /etc/rc.d/rc.inet1
+3.1. /etc/rc.d/rc.inet1
+-----------------------
In rc.inet1, ifconfig the eql device to the IP address you usually use
for your machine, and the MTU you prefer for your SLIP lines. One
could argue that MTU should be roughly half the usual size for two
modems, one-third for three, one-fourth for four, etc... But going
too far below 296 is probably overkill. Here is an example ifconfig
- command that sets up the eql device:
-
+ command that sets up the eql device::
-
- ______________________________________________________________________
ifconfig eql 198.67.33.239 mtu 1006
- ______________________________________________________________________
-
-
-
-
Once the eql device is up and running, add a static default route to
it in the routing table using the cool new route syntax that makes
- life so much easier:
+ life so much easier::
-
-
- ______________________________________________________________________
route add default eql
- ______________________________________________________________________
- 3.2. Enslaving Devices By Hand
+3.2. Enslaving Devices By Hand
+------------------------------
Enslaving devices by hand requires two utility programs: eql_enslave
and eql_emancipate (-- eql_emancipate hasn't been written because when
@@ -140,87 +131,56 @@
The syntax for enslaving a device is "eql_enslave <master-name>
- <slave-name> <estimated-bps>". Here are some example enslavings:
-
+ <slave-name> <estimated-bps>". Here are some example enslavings::
-
- ______________________________________________________________________
eql_enslave eql sl0 28800
eql_enslave eql ppp0 14400
eql_enslave eql sl1 57600
- ______________________________________________________________________
-
-
-
-
When you want to free a device from its life of slavery, you can
either down the device with ifconfig (eql will automatically bury the
dead slave and remove it from its queue) or use eql_emancipate to free
it. (-- Or just ifconfig it down, and the eql driver will take it out
- for you.--)
-
-
+ for you.--)::
- ______________________________________________________________________
eql_emancipate eql sl0
eql_emancipate eql ppp0
eql_emancipate eql sl1
- ______________________________________________________________________
-
-
-
- 3.3. DSLIP Configuration for the eql Device
+3.3. DSLIP Configuration for the eql Device
+-------------------------------------------
The general idea is to bring up and keep up as many SLIP connections
as you need, automatically.
- 3.3.1. /etc/slip/runslip.conf
-
- Here is an example runslip.conf:
-
-
-
-
-
-
-
-
-
-
-
+3.3.1. /etc/slip/runslip.conf
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+ Here is an example runslip.conf::
+ name sl-line-1
+ enabled
+ baud 38400
+ mtu 576
+ ducmd -e /etc/slip/dialout/cua2-288.xp -t 9
+ command eql_enslave eql $interface 28800
+ address 198.67.33.239
+ line /dev/cua2
+ name sl-line-2
+ enabled
+ baud 38400
+ mtu 576
+ ducmd -e /etc/slip/dialout/cua3-288.xp -t 9
+ command eql_enslave eql $interface 28800
+ address 198.67.33.239
+ line /dev/cua3
- ______________________________________________________________________
- name sl-line-1
- enabled
- baud 38400
- mtu 576
- ducmd -e /etc/slip/dialout/cua2-288.xp -t 9
- command eql_enslave eql $interface 28800
- address 198.67.33.239
- line /dev/cua2
- name sl-line-2
- enabled
- baud 38400
- mtu 576
- ducmd -e /etc/slip/dialout/cua3-288.xp -t 9
- command eql_enslave eql $interface 28800
- address 198.67.33.239
- line /dev/cua3
- ______________________________________________________________________
-
-
-
-
-
- 3.4. Using PPP and the eql Device
+3.4. Using PPP and the eql Device
+---------------------------------
I have not yet done any load-balancing testing for PPP devices, mainly
because I don't have a PPP-connection manager like SLIP has with
@@ -235,7 +195,8 @@
year.
- 4. About the Slave Scheduler Algorithm
+4. About the Slave Scheduler Algorithm
+======================================
The slave scheduler probably could be replaced with a dozen other
things and push traffic much faster. The formula in the current set
@@ -254,7 +215,8 @@
traffic and the "slower" modem starved.
- 5. Testers' Reports
+5. Testers' Reports
+===================
Some people have experimented with the eql device with newer
kernels (than 1.1.75). I have since updated the driver to patch
@@ -262,87 +224,29 @@
balancing" driver config option.
- o icee from LinuxNET patched 1.1.86 without any rejects and was able
+ - icee from LinuxNET patched 1.1.86 without any rejects and was able
to boot the kernel and enslave a couple of ISDN PPP links.
- 5.1. Randolph Bentson's Test Report
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+5.1. Randolph Bentson's Test Report
+-----------------------------------
+ ::
+ From bentson@grieg.seaslug.org Wed Feb 8 19:08:09 1995
+ Date: Tue, 7 Feb 95 22:57 PST
+ From: Randolph Bentson <bentson@grieg.seaslug.org>
+ To: guru@ncm.com
+ Subject: EQL driver tests
+ I have been checking out your eql driver. (Nice work, that!)
+ Although you may already done this performance testing, here
+ are some data I've discovered.
+ Randolph Bentson
+ bentson@grieg.seaslug.org
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- From bentson@grieg.seaslug.org Wed Feb 8 19:08:09 1995
- Date: Tue, 7 Feb 95 22:57 PST
- From: Randolph Bentson <bentson@grieg.seaslug.org>
- To: guru@ncm.com
- Subject: EQL driver tests
-
-
- I have been checking out your eql driver. (Nice work, that!)
- Although you may already done this performance testing, here
- are some data I've discovered.
-
- Randolph Bentson
- bentson@grieg.seaslug.org
-
- ---------------------------------------------------------
+------------------------------------------------------------------
A pseudo-device driver, EQL, written by Simon Janes, can be used
@@ -363,7 +267,7 @@
Once a link was established, I timed a binary ftp transfer of
289284 bytes of data. If there were no overhead (packet headers,
inter-character and inter-packet delays, etc.) the transfers
- would take the following times:
+ would take the following times::
bits/sec seconds
345600 8.3
@@ -388,141 +292,82 @@
that the connection establishment seemed fragile for the higher
speeds. Once established, the connection seemed robust enough.)
- #lines speed mtu seconds theory actual %of
- kbit/sec duration speed speed max
- 3 115200 900 _ 345600
- 3 115200 400 18.1 345600 159825 46
- 2 115200 900 _ 230400
- 2 115200 600 18.1 230400 159825 69
- 2 115200 400 19.3 230400 149888 65
- 4 57600 900 _ 234600
- 4 57600 600 _ 234600
- 4 57600 400 _ 234600
- 3 57600 600 20.9 172800 138413 80
- 3 57600 900 21.2 172800 136455 78
- 3 115200 600 21.7 345600 133311 38
- 3 57600 400 22.5 172800 128571 74
- 4 38400 900 25.2 153600 114795 74
- 4 38400 600 26.4 153600 109577 71
- 4 38400 400 27.3 153600 105965 68
- 2 57600 900 29.1 115200 99410.3 86
- 1 115200 900 30.7 115200 94229.3 81
- 2 57600 600 30.2 115200 95789.4 83
- 3 38400 900 30.3 115200 95473.3 82
- 3 38400 600 31.2 115200 92719.2 80
- 1 115200 600 31.3 115200 92423 80
- 2 57600 400 32.3 115200 89561.6 77
- 1 115200 400 32.8 115200 88196.3 76
- 3 38400 400 33.5 115200 86353.4 74
- 2 38400 900 43.7 76800 66197.7 86
- 2 38400 600 44 76800 65746.4 85
- 2 38400 400 47.2 76800 61289 79
- 4 19200 900 50.8 76800 56945.7 74
- 4 19200 400 53.2 76800 54376.7 70
- 4 19200 600 53.7 76800 53870.4 70
- 1 57600 900 54.6 57600 52982.4 91
- 1 57600 600 56.2 57600 51474 89
- 3 19200 900 60.5 57600 47815.5 83
- 1 57600 400 60.2 57600 48053.8 83
- 3 19200 600 62 57600 46658.7 81
- 3 19200 400 64.7 57600 44711.6 77
- 1 38400 900 79.4 38400 36433.8 94
- 1 38400 600 82.4 38400 35107.3 91
- 2 19200 900 84.4 38400 34275.4 89
- 1 38400 400 86.8 38400 33327.6 86
- 2 19200 600 87.6 38400 33023.3 85
- 2 19200 400 91.2 38400 31719.7 82
- 4 9600 900 94.7 38400 30547.4 79
- 4 9600 400 106 38400 27290.9 71
- 4 9600 600 110 38400 26298.5 68
- 3 9600 900 118 28800 24515.6 85
- 3 9600 600 120 28800 24107 83
- 3 9600 400 131 28800 22082.7 76
- 1 19200 900 155 19200 18663.5 97
- 1 19200 600 161 19200 17968 93
- 1 19200 400 170 19200 17016.7 88
- 2 9600 600 176 19200 16436.6 85
- 2 9600 900 180 19200 16071.3 83
- 2 9600 400 181 19200 15982.5 83
- 1 9600 900 305 9600 9484.72 98
- 1 9600 600 314 9600 9212.87 95
- 1 9600 400 332 9600 8713.37 90
-
-
-
-
-
- 5.2. Anthony Healy's Report
-
-
-
-
-
-
-
- Date: Mon, 13 Feb 1995 16:17:29 +1100 (EST)
- From: Antony Healey <ahealey@st.nepean.uws.edu.au>
- To: Simon Janes <guru@ncm.com>
- Subject: Re: Load Balancing
-
- Hi Simon,
+ ====== ======== === ======== ======= ======= ===
+ #lines speed mtu seconds theory actual %of
+ kbit/sec duration speed speed max
+ ====== ======== === ======== ======= ======= ===
+ 3 115200 900 _ 345600
+ 3 115200 400 18.1 345600 159825 46
+ 2 115200 900 _ 230400
+ 2 115200 600 18.1 230400 159825 69
+ 2 115200 400 19.3 230400 149888 65
+ 4 57600 900 _ 234600
+ 4 57600 600 _ 234600
+ 4 57600 400 _ 234600
+ 3 57600 600 20.9 172800 138413 80
+ 3 57600 900 21.2 172800 136455 78
+ 3 115200 600 21.7 345600 133311 38
+ 3 57600 400 22.5 172800 128571 74
+ 4 38400 900 25.2 153600 114795 74
+ 4 38400 600 26.4 153600 109577 71
+ 4 38400 400 27.3 153600 105965 68
+ 2 57600 900 29.1 115200 99410.3 86
+ 1 115200 900 30.7 115200 94229.3 81
+ 2 57600 600 30.2 115200 95789.4 83
+ 3 38400 900 30.3 115200 95473.3 82
+ 3 38400 600 31.2 115200 92719.2 80
+ 1 115200 600 31.3 115200 92423 80
+ 2 57600 400 32.3 115200 89561.6 77
+ 1 115200 400 32.8 115200 88196.3 76
+ 3 38400 400 33.5 115200 86353.4 74
+ 2 38400 900 43.7 76800 66197.7 86
+ 2 38400 600 44 76800 65746.4 85
+ 2 38400 400 47.2 76800 61289 79
+ 4 19200 900 50.8 76800 56945.7 74
+ 4 19200 400 53.2 76800 54376.7 70
+ 4 19200 600 53.7 76800 53870.4 70
+ 1 57600 900 54.6 57600 52982.4 91
+ 1 57600 600 56.2 57600 51474 89
+ 3 19200 900 60.5 57600 47815.5 83
+ 1 57600 400 60.2 57600 48053.8 83
+ 3 19200 600 62 57600 46658.7 81
+ 3 19200 400 64.7 57600 44711.6 77
+ 1 38400 900 79.4 38400 36433.8 94
+ 1 38400 600 82.4 38400 35107.3 91
+ 2 19200 900 84.4 38400 34275.4 89
+ 1 38400 400 86.8 38400 33327.6 86
+ 2 19200 600 87.6 38400 33023.3 85
+ 2 19200 400 91.2 38400 31719.7 82
+ 4 9600 900 94.7 38400 30547.4 79
+ 4 9600 400 106 38400 27290.9 71
+ 4 9600 600 110 38400 26298.5 68
+ 3 9600 900 118 28800 24515.6 85
+ 3 9600 600 120 28800 24107 83
+ 3 9600 400 131 28800 22082.7 76
+ 1 19200 900 155 19200 18663.5 97
+ 1 19200 600 161 19200 17968 93
+ 1 19200 400 170 19200 17016.7 88
+ 2 9600 600 176 19200 16436.6 85
+ 2 9600 900 180 19200 16071.3 83
+ 2 9600 400 181 19200 15982.5 83
+ 1 9600 900 305 9600 9484.72 98
+ 1 9600 600 314 9600 9212.87 95
+ 1 9600 400 332 9600 8713.37 90
+ ====== ======== === ======== ======= ======= ===
+
+5.2. Anthony Healy's Report
+---------------------------
+
+ ::
+
+ Date: Mon, 13 Feb 1995 16:17:29 +1100 (EST)
+ From: Antony Healey <ahealey@st.nepean.uws.edu.au>
+ To: Simon Janes <guru@ncm.com>
+ Subject: Re: Load Balancing
+
+ Hi Simon,
I've installed your patch and it works great. I have trialed
it over twin SL/IP lines, just over null modems, but I was
able to data at over 48Kb/s [ISDN link -Simon]. I managed a
transfer of up to 7.5 Kbyte/s on one go, but averaged around
6.4 Kbyte/s, which I think is pretty cool. :)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/Documentation/networking/ethtool-netlink.rst b/Documentation/networking/ethtool-netlink.rst
index 567326491f80..d42661b91128 100644
--- a/Documentation/networking/ethtool-netlink.rst
+++ b/Documentation/networking/ethtool-netlink.rst
@@ -204,6 +204,8 @@ Userspace to kernel:
``ETHTOOL_MSG_EEE_GET`` get EEE settings
``ETHTOOL_MSG_EEE_SET`` set EEE settings
``ETHTOOL_MSG_TSINFO_GET`` get timestamping info
+ ``ETHTOOL_MSG_CABLE_TEST_ACT`` action start cable test
+ ``ETHTOOL_MSG_CABLE_TEST_TDR_ACT`` action start raw TDR cable test
===================================== ================================
Kernel to userspace:
@@ -235,6 +237,8 @@ Kernel to userspace:
``ETHTOOL_MSG_EEE_GET_REPLY`` EEE settings
``ETHTOOL_MSG_EEE_NTF`` EEE settings
``ETHTOOL_MSG_TSINFO_GET_REPLY`` timestamping info
+ ``ETHTOOL_MSG_CABLE_TEST_NTF`` Cable test results
+ ``ETHTOOL_MSG_CABLE_TEST_TDR_NTF`` Cable test TDR results
===================================== =================================
``GET`` requests are sent by userspace applications to retrieve device
@@ -392,14 +396,16 @@ Request contents:
Kernel response contents:
- ==================================== ====== ==========================
- ``ETHTOOL_A_LINKMODES_HEADER`` nested reply header
- ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
- ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
- ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
- ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
- ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
- ==================================== ====== ==========================
+ ========================================== ====== ==========================
+ ``ETHTOOL_A_LINKMODES_HEADER`` nested reply header
+ ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
+ ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
+ ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
+ ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
+ ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG`` u8 Master/slave port mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE`` u8 Master/slave port state
+ ========================================== ====== ==========================
For ``ETHTOOL_A_LINKMODES_OURS``, value represents advertised modes and mask
represents supported modes. ``ETHTOOL_A_LINKMODES_PEER`` in the reply is a bit
@@ -414,14 +420,15 @@ LINKMODES_SET
Request contents:
- ==================================== ====== ==========================
- ``ETHTOOL_A_LINKMODES_HEADER`` nested request header
- ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
- ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
- ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
- ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
- ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
- ==================================== ====== ==========================
+ ========================================== ====== ==========================
+ ``ETHTOOL_A_LINKMODES_HEADER`` nested request header
+ ``ETHTOOL_A_LINKMODES_AUTONEG`` u8 autonegotiation status
+ ``ETHTOOL_A_LINKMODES_OURS`` bitset advertised link modes
+ ``ETHTOOL_A_LINKMODES_PEER`` bitset partner link modes
+ ``ETHTOOL_A_LINKMODES_SPEED`` u32 link speed (Mb/s)
+ ``ETHTOOL_A_LINKMODES_DUPLEX`` u8 duplex mode
+ ``ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG`` u8 Master/slave port mode
+ ========================================== ====== ==========================
``ETHTOOL_A_LINKMODES_OURS`` bit set allows setting advertised link modes. If
autonegotiation is on (either set now or kept from before), advertised modes
@@ -449,10 +456,12 @@ Request contents:
Kernel response contents:
- ==================================== ====== ==========================
+ ==================================== ====== ============================
``ETHTOOL_A_LINKSTATE_HEADER`` nested reply header
``ETHTOOL_A_LINKSTATE_LINK`` bool link state (up/down)
- ==================================== ====== ==========================
+ ``ETHTOOL_A_LINKSTATE_SQI`` u32 Current Signal Quality Index
+ ``ETHTOOL_A_LINKSTATE_SQI_MAX`` u32 Max support SQI value
+ ==================================== ====== ============================
For most NIC drivers, the value of ``ETHTOOL_A_LINKSTATE_LINK`` returns
carrier flag provided by ``netif_carrier_ok()`` but there are drivers which
@@ -955,13 +964,159 @@ Kernel response contents:
is no special value for this case). The bitset attributes are omitted if they
would be empty (no bit set).
+CABLE_TEST
+==========
+
+Start a cable test.
+
+Request contents:
+
+ ==================================== ====== ==========================
+ ``ETHTOOL_A_CABLE_TEST_HEADER`` nested request header
+ ==================================== ====== ==========================
+
+Notification contents:
+
+An Ethernet cable typically contains 1, 2 or 4 pairs. The length of
+the pair can only be measured when there is a fault in the pair and
+hence a reflection. Information about the fault may not be available,
+depending on the specific hardware. Hence the contents of the notify
+message are mostly optional. The attributes can be repeated an
+arbitrary number of times, in an arbitrary order, for an arbitrary
+number of pairs.
+
+The example shows the notification sent when the test is completed for
+a T2 cable, i.e. two pairs. One pair is OK and hence has no length
+information. The second pair has a fault and does have length
+information.
+
+ +---------------------------------------------+--------+---------------------+
+ | ``ETHTOOL_A_CABLE_TEST_HEADER`` | nested | reply header |
+ +---------------------------------------------+--------+---------------------+
+ | ``ETHTOOL_A_CABLE_TEST_STATUS`` | u8 | completed |
+ +---------------------------------------------+--------+---------------------+
+ | ``ETHTOOL_A_CABLE_TEST_NTF_NEST`` | nested | all the results |
+ +-+-------------------------------------------+--------+---------------------+
+ | | ``ETHTOOL_A_CABLE_NEST_RESULT`` | nested | cable test result |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_CODE`` | u8 | result code |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | ``ETHTOOL_A_CABLE_NEST_RESULT`` | nested | cable test results |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_CODE`` | u8 | result code |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | ``ETHTOOL_A_CABLE_NEST_FAULT_LENGTH`` | nested | cable length |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_FAULT_LENGTH_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+---------------------+
+ | | | ``ETHTOOL_A_CABLE_FAULT_LENGTH_CM`` | u32 | length in cm |
+ +-+-+-----------------------------------------+--------+---------------------+
+
+CABLE_TEST TDR
+==============
+
+Start a cable test and report raw TDR data
+
+Request contents:
+
+ +--------------------------------------------+--------+-----------------------+
+ | ``ETHTOOL_A_CABLE_TEST_TDR_HEADER`` | nested | reply header |
+ +--------------------------------------------+--------+-----------------------+
+ | ``ETHTOOL_A_CABLE_TEST_TDR_CFG`` | nested | test configuration |
+ +-+------------------------------------------+--------+-----------------------+
+ | | ``ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE `` | u32 | first data distance |
+ +-+-+----------------------------------------+--------+-----------------------+
+ | | ``ETHTOOL_A_CABLE_STEP_LAST_DISTANCE `` | u32 | last data distance |
+ +-+-+----------------------------------------+--------+-----------------------+
+ | | ``ETHTOOL_A_CABLE_STEP_STEP_DISTANCE `` | u32 | distance of each step |
+ +-+-+----------------------------------------+--------+-----------------------+
+ | | ``ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR`` | u8 | pair to test |
+ +-+-+----------------------------------------+--------+-----------------------+
+
+The ETHTOOL_A_CABLE_TEST_TDR_CFG is optional, as well as all members
+of the nest. All distances are expressed in centimeters. The PHY takes
+the distances as a guide, and rounds to the nearest distance it
+actually supports. If a pair is passed, only that one pair will be
+tested. Otherwise all pairs are tested.
+
+Notification contents:
+
+Raw TDR data is gathered by sending a pulse down the cable and
+recording the amplitude of the reflected pulse for a given distance.
+
+It can take a number of seconds to collect TDR data, especial if the
+full 100 meters is probed at 1 meter intervals. When the test is
+started a notification will be sent containing just
+ETHTOOL_A_CABLE_TEST_TDR_STATUS with the value
+ETHTOOL_A_CABLE_TEST_NTF_STATUS_STARTED.
+
+When the test has completed a second notification will be sent
+containing ETHTOOL_A_CABLE_TEST_TDR_STATUS with the value
+ETHTOOL_A_CABLE_TEST_NTF_STATUS_COMPLETED and the TDR data.
+
+The message may optionally contain the amplitude of the pulse send
+down the cable. This is measured in mV. A reflection should not be
+bigger than transmitted pulse.
+
+Before the raw TDR data should be an ETHTOOL_A_CABLE_TDR_NEST_STEP
+nest containing information about the distance along the cable for the
+first reading, the last reading, and the step between each
+reading. Distances are measured in centimeters. These should be the
+exact values the PHY used. These may be different to what the user
+requested, if the native measurement resolution is greater than 1 cm.
+
+For each step along the cable, a ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE is
+used to report the amplitude of the reflection for a given pair.
+
+ +---------------------------------------------+--------+----------------------+
+ | ``ETHTOOL_A_CABLE_TEST_TDR_HEADER`` | nested | reply header |
+ +---------------------------------------------+--------+----------------------+
+ | ``ETHTOOL_A_CABLE_TEST_TDR_STATUS`` | u8 | completed |
+ +---------------------------------------------+--------+----------------------+
+ | ``ETHTOOL_A_CABLE_TEST_TDR_NTF_NEST`` | nested | all the results |
+ +-+-------------------------------------------+--------+----------------------+
+ | | ``ETHTOOL_A_CABLE_TDR_NEST_PULSE`` | nested | TX Pulse amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_PULSE_mV`` | s16 | Pulse amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | ``ETHTOOL_A_CABLE_NEST_STEP`` | nested | TDR step info |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE ``| u32 | First data distance |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_STEP_LAST_DISTANCE `` | u32 | Last data distance |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_STEP_STEP_DISTANCE `` | u32 | distance of each step|
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | ``ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE`` | nested | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_AMPLITUDE_mV`` | s16 | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | ``ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE`` | nested | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_AMPLITUDE_mV`` | s16 | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | ``ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE`` | nested | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_RESULTS_PAIR`` | u8 | pair number |
+ +-+-+-----------------------------------------+--------+----------------------+
+ | | | ``ETHTOOL_A_CABLE_AMPLITUDE_mV`` | s16 | Reflection amplitude |
+ +-+-+-----------------------------------------+--------+----------------------+
Request translation
===================
The following table maps ioctl commands to netlink commands providing their
functionality. Entries with "n/a" in right column are commands which do not
-have their netlink replacement yet.
+have their netlink replacement yet. Entries which "n/a" in the left column
+are netlink only.
=================================== =====================================
ioctl command netlink command
@@ -1050,4 +1205,6 @@ have their netlink replacement yet.
``ETHTOOL_PHY_STUNABLE`` n/a
``ETHTOOL_GFECPARAM`` n/a
``ETHTOOL_SFECPARAM`` n/a
+ n/a ''ETHTOOL_MSG_CABLE_TEST_ACT''
+ n/a ''ETHTOOL_MSG_CABLE_TEST_TDR_ACT''
=================================== =====================================
diff --git a/Documentation/networking/fib_trie.txt b/Documentation/networking/fib_trie.rst
index fe719388518b..f1435b7fcdb7 100644
--- a/Documentation/networking/fib_trie.txt
+++ b/Documentation/networking/fib_trie.rst
@@ -1,8 +1,12 @@
- LC-trie implementation notes.
+.. SPDX-License-Identifier: GPL-2.0
+
+============================
+LC-trie implementation notes
+============================
Node types
----------
-leaf
+leaf
An end node with data. This has a copy of the relevant key, along
with 'hlist' with routing table entries sorted by prefix length.
See struct leaf and struct leaf_info.
@@ -13,7 +17,7 @@ trie node or tnode
A few concepts explained
------------------------
-Bits (tnode)
+Bits (tnode)
The number of bits in the key segment used for indexing into the
child array - the "child index". See Level Compression.
@@ -23,7 +27,7 @@ Pos (tnode)
Path Compression / skipped bits
Any given tnode is linked to from the child array of its parent, using
- a segment of the key specified by the parent's "pos" and "bits"
+ a segment of the key specified by the parent's "pos" and "bits"
In certain cases, this tnode's own "pos" will not be immediately
adjacent to the parent (pos+bits), but there will be some bits
in the key skipped over because they represent a single path with no
@@ -56,8 +60,8 @@ full_children
Comments
---------
-We have tried to keep the structure of the code as close to fib_hash as
-possible to allow verification and help up reviewing.
+We have tried to keep the structure of the code as close to fib_hash as
+possible to allow verification and help up reviewing.
fib_find_node()
A good start for understanding this code. This function implements a
diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.rst
index 2f0f8b17dade..a1d3e192b9fa 100644
--- a/Documentation/networking/filter.txt
+++ b/Documentation/networking/filter.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======================================================
Linux Socket Filtering aka Berkeley Packet Filter (BPF)
=======================================================
@@ -42,10 +45,10 @@ displays what is being placed into this structure.
Although we were only speaking about sockets here, BPF in Linux is used
in many more places. There's xt_bpf for netfilter, cls_bpf in the kernel
-qdisc layer, SECCOMP-BPF (SECure COMPuting [1]), and lots of other places
+qdisc layer, SECCOMP-BPF (SECure COMPuting [1]_), and lots of other places
such as team driver, PTP code, etc where BPF is being used.
- [1] Documentation/userspace-api/seccomp_filter.rst
+.. [1] Documentation/userspace-api/seccomp_filter.rst
Original BPF paper:
@@ -59,23 +62,23 @@ Structure
---------
User space applications include <linux/filter.h> which contains the
-following relevant structures:
+following relevant structures::
-struct sock_filter { /* Filter block */
- __u16 code; /* Actual filter code */
- __u8 jt; /* Jump true */
- __u8 jf; /* Jump false */
- __u32 k; /* Generic multiuse field */
-};
+ struct sock_filter { /* Filter block */
+ __u16 code; /* Actual filter code */
+ __u8 jt; /* Jump true */
+ __u8 jf; /* Jump false */
+ __u32 k; /* Generic multiuse field */
+ };
Such a structure is assembled as an array of 4-tuples, that contains
a code, jt, jf and k value. jt and jf are jump offsets and k a generic
-value to be used for a provided code.
+value to be used for a provided code::
-struct sock_fprog { /* Required for SO_ATTACH_FILTER. */
- unsigned short len; /* Number of filter blocks */
- struct sock_filter __user *filter;
-};
+ struct sock_fprog { /* Required for SO_ATTACH_FILTER. */
+ unsigned short len; /* Number of filter blocks */
+ struct sock_filter __user *filter;
+ };
For socket filtering, a pointer to this structure (as shown in
follow-up example) is being passed to the kernel through setsockopt(2).
@@ -83,55 +86,57 @@ follow-up example) is being passed to the kernel through setsockopt(2).
Example
-------
-#include <sys/socket.h>
-#include <sys/types.h>
-#include <arpa/inet.h>
-#include <linux/if_ether.h>
-/* ... */
-
-/* From the example above: tcpdump -i em1 port 22 -dd */
-struct sock_filter code[] = {
- { 0x28, 0, 0, 0x0000000c },
- { 0x15, 0, 8, 0x000086dd },
- { 0x30, 0, 0, 0x00000014 },
- { 0x15, 2, 0, 0x00000084 },
- { 0x15, 1, 0, 0x00000006 },
- { 0x15, 0, 17, 0x00000011 },
- { 0x28, 0, 0, 0x00000036 },
- { 0x15, 14, 0, 0x00000016 },
- { 0x28, 0, 0, 0x00000038 },
- { 0x15, 12, 13, 0x00000016 },
- { 0x15, 0, 12, 0x00000800 },
- { 0x30, 0, 0, 0x00000017 },
- { 0x15, 2, 0, 0x00000084 },
- { 0x15, 1, 0, 0x00000006 },
- { 0x15, 0, 8, 0x00000011 },
- { 0x28, 0, 0, 0x00000014 },
- { 0x45, 6, 0, 0x00001fff },
- { 0xb1, 0, 0, 0x0000000e },
- { 0x48, 0, 0, 0x0000000e },
- { 0x15, 2, 0, 0x00000016 },
- { 0x48, 0, 0, 0x00000010 },
- { 0x15, 0, 1, 0x00000016 },
- { 0x06, 0, 0, 0x0000ffff },
- { 0x06, 0, 0, 0x00000000 },
-};
-
-struct sock_fprog bpf = {
- .len = ARRAY_SIZE(code),
- .filter = code,
-};
-
-sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
-if (sock < 0)
- /* ... bail out ... */
-
-ret = setsockopt(sock, SOL_SOCKET, SO_ATTACH_FILTER, &bpf, sizeof(bpf));
-if (ret < 0)
- /* ... bail out ... */
-
-/* ... */
-close(sock);
+::
+
+ #include <sys/socket.h>
+ #include <sys/types.h>
+ #include <arpa/inet.h>
+ #include <linux/if_ether.h>
+ /* ... */
+
+ /* From the example above: tcpdump -i em1 port 22 -dd */
+ struct sock_filter code[] = {
+ { 0x28, 0, 0, 0x0000000c },
+ { 0x15, 0, 8, 0x000086dd },
+ { 0x30, 0, 0, 0x00000014 },
+ { 0x15, 2, 0, 0x00000084 },
+ { 0x15, 1, 0, 0x00000006 },
+ { 0x15, 0, 17, 0x00000011 },
+ { 0x28, 0, 0, 0x00000036 },
+ { 0x15, 14, 0, 0x00000016 },
+ { 0x28, 0, 0, 0x00000038 },
+ { 0x15, 12, 13, 0x00000016 },
+ { 0x15, 0, 12, 0x00000800 },
+ { 0x30, 0, 0, 0x00000017 },
+ { 0x15, 2, 0, 0x00000084 },
+ { 0x15, 1, 0, 0x00000006 },
+ { 0x15, 0, 8, 0x00000011 },
+ { 0x28, 0, 0, 0x00000014 },
+ { 0x45, 6, 0, 0x00001fff },
+ { 0xb1, 0, 0, 0x0000000e },
+ { 0x48, 0, 0, 0x0000000e },
+ { 0x15, 2, 0, 0x00000016 },
+ { 0x48, 0, 0, 0x00000010 },
+ { 0x15, 0, 1, 0x00000016 },
+ { 0x06, 0, 0, 0x0000ffff },
+ { 0x06, 0, 0, 0x00000000 },
+ };
+
+ struct sock_fprog bpf = {
+ .len = ARRAY_SIZE(code),
+ .filter = code,
+ };
+
+ sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+ if (sock < 0)
+ /* ... bail out ... */
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_ATTACH_FILTER, &bpf, sizeof(bpf));
+ if (ret < 0)
+ /* ... bail out ... */
+
+ /* ... */
+ close(sock);
The above example code attaches a socket filter for a PF_PACKET socket
in order to let all IPv4/IPv6 packets with port 22 pass. The rest will
@@ -178,15 +183,17 @@ closely modelled after Steven McCanne's and Van Jacobson's BPF paper.
The BPF architecture consists of the following basic elements:
+ ======= ====================================================
Element Description
-
+ ======= ====================================================
A 32 bit wide accumulator
X 32 bit wide X register
M[] 16 x 32 bit wide misc registers aka "scratch memory
- store", addressable from 0 to 15
+ store", addressable from 0 to 15
+ ======= ====================================================
A program, that is translated by bpf_asm into "opcodes" is an array that
-consists of the following elements (as already mentioned):
+consists of the following elements (as already mentioned)::
op:16, jt:8, jf:8, k:32
@@ -201,8 +208,9 @@ and return instructions that are also represented in bpf_asm syntax. This
table lists all bpf_asm instructions available resp. what their underlying
opcodes as defined in linux/filter.h stand for:
+ =========== =================== =====================
Instruction Addressing mode Description
-
+ =========== =================== =====================
ld 1, 2, 3, 4, 12 Load word into A
ldi 4 Load word into A
ldh 1, 2 Load half-word into A
@@ -241,11 +249,13 @@ opcodes as defined in linux/filter.h stand for:
txa Copy X into A
ret 4, 11 Return
+ =========== =================== =====================
The next table shows addressing formats from the 2nd column:
+ =============== =================== ===============================================
Addressing mode Syntax Description
-
+ =============== =================== ===============================================
0 x/%x Register X
1 [k] BHW at byte offset k in the packet
2 [x + k] BHW at the offset X + k in the packet
@@ -259,6 +269,7 @@ The next table shows addressing formats from the 2nd column:
10 x/%x,Lt Jump to Lt if predicate is true
11 a/%a Accumulator A
12 extension BPF extension
+ =============== =================== ===============================================
The Linux kernel also has a couple of BPF extensions that are used along
with the class of load instructions by "overloading" the k argument with
@@ -267,8 +278,9 @@ extensions are loaded into A.
Possible BPF extensions are shown in the following table:
+ =================================== =================================================
Extension Description
-
+ =================================== =================================================
len skb->len
proto skb->protocol
type skb->pkt_type
@@ -285,18 +297,19 @@ Possible BPF extensions are shown in the following table:
vlan_avail skb_vlan_tag_present(skb)
vlan_tpid skb->vlan_proto
rand prandom_u32()
+ =================================== =================================================
These extensions can also be prefixed with '#'.
Examples for low-level BPF:
-** ARP packets:
+**ARP packets**::
ldh [12]
jne #0x806, drop
ret #-1
drop: ret #0
-** IPv4 TCP packets:
+**IPv4 TCP packets**::
ldh [12]
jne #0x800, drop
@@ -305,14 +318,15 @@ Examples for low-level BPF:
ret #-1
drop: ret #0
-** (Accelerated) VLAN w/ id 10:
+**(Accelerated) VLAN w/ id 10**::
ld vlan_tci
jneq #10, drop
ret #-1
drop: ret #0
-** icmp random packet sampling, 1 in 4
+**icmp random packet sampling, 1 in 4**:
+
ldh [12]
jne #0x800, drop
ldb [23]
@@ -324,7 +338,7 @@ Examples for low-level BPF:
ret #-1
drop: ret #0
-** SECCOMP filter example:
+**SECCOMP filter example**::
ld [4] /* offsetof(struct seccomp_data, arch) */
jne #0xc000003e, bad /* AUDIT_ARCH_X86_64 */
@@ -345,18 +359,18 @@ Examples for low-level BPF:
The above example code can be placed into a file (here called "foo"), and
then be passed to the bpf_asm tool for generating opcodes, output that xt_bpf
and cls_bpf understands and can directly be loaded with. Example with above
-ARP code:
+ARP code::
-$ ./bpf_asm foo
-4,40 0 0 12,21 0 1 2054,6 0 0 4294967295,6 0 0 0,
+ $ ./bpf_asm foo
+ 4,40 0 0 12,21 0 1 2054,6 0 0 4294967295,6 0 0 0,
-In copy and paste C-like output:
+In copy and paste C-like output::
-$ ./bpf_asm -c foo
-{ 0x28, 0, 0, 0x0000000c },
-{ 0x15, 0, 1, 0x00000806 },
-{ 0x06, 0, 0, 0xffffffff },
-{ 0x06, 0, 0, 0000000000 },
+ $ ./bpf_asm -c foo
+ { 0x28, 0, 0, 0x0000000c },
+ { 0x15, 0, 1, 0x00000806 },
+ { 0x06, 0, 0, 0xffffffff },
+ { 0x06, 0, 0, 0000000000 },
In particular, as usage with xt_bpf or cls_bpf can result in more complex BPF
filters that might not be obvious at first, it's good to test filters before
@@ -365,9 +379,9 @@ bpf_dbg under tools/bpf/ in the kernel source directory. This debugger allows
for testing BPF filters against given pcap files, single stepping through the
BPF code on the pcap's packets and to do BPF machine register dumps.
-Starting bpf_dbg is trivial and just requires issuing:
+Starting bpf_dbg is trivial and just requires issuing::
-# ./bpf_dbg
+ # ./bpf_dbg
In case input and output do not equal stdin/stdout, bpf_dbg takes an
alternative stdin source as a first argument, and an alternative stdout
@@ -381,84 +395,100 @@ Interaction in bpf_dbg happens through a shell that also has auto-completion
support (follow-up example commands starting with '>' denote bpf_dbg shell).
The usual workflow would be to ...
-> load bpf 6,40 0 0 12,21 0 3 2048,48 0 0 23,21 0 1 1,6 0 0 65535,6 0 0 0
+* load bpf 6,40 0 0 12,21 0 3 2048,48 0 0 23,21 0 1 1,6 0 0 65535,6 0 0 0
Loads a BPF filter from standard output of bpf_asm, or transformed via
- e.g. `tcpdump -iem1 -ddd port 22 | tr '\n' ','`. Note that for JIT
+ e.g. ``tcpdump -iem1 -ddd port 22 | tr '\n' ','``. Note that for JIT
debugging (next section), this command creates a temporary socket and
loads the BPF code into the kernel. Thus, this will also be useful for
JIT developers.
-> load pcap foo.pcap
+* load pcap foo.pcap
+
Loads standard tcpdump pcap file.
-> run [<n>]
+* run [<n>]
+
bpf passes:1 fails:9
Runs through all packets from a pcap to account how many passes and fails
the filter will generate. A limit of packets to traverse can be given.
-> disassemble
-l0: ldh [12]
-l1: jeq #0x800, l2, l5
-l2: ldb [23]
-l3: jeq #0x1, l4, l5
-l4: ret #0xffff
-l5: ret #0
+* disassemble::
+
+ l0: ldh [12]
+ l1: jeq #0x800, l2, l5
+ l2: ldb [23]
+ l3: jeq #0x1, l4, l5
+ l4: ret #0xffff
+ l5: ret #0
+
Prints out BPF code disassembly.
-> dump
-/* { op, jt, jf, k }, */
-{ 0x28, 0, 0, 0x0000000c },
-{ 0x15, 0, 3, 0x00000800 },
-{ 0x30, 0, 0, 0x00000017 },
-{ 0x15, 0, 1, 0x00000001 },
-{ 0x06, 0, 0, 0x0000ffff },
-{ 0x06, 0, 0, 0000000000 },
+* dump::
+
+ /* { op, jt, jf, k }, */
+ { 0x28, 0, 0, 0x0000000c },
+ { 0x15, 0, 3, 0x00000800 },
+ { 0x30, 0, 0, 0x00000017 },
+ { 0x15, 0, 1, 0x00000001 },
+ { 0x06, 0, 0, 0x0000ffff },
+ { 0x06, 0, 0, 0000000000 },
+
Prints out C-style BPF code dump.
-> breakpoint 0
-breakpoint at: l0: ldh [12]
-> breakpoint 1
-breakpoint at: l1: jeq #0x800, l2, l5
+* breakpoint 0::
+
+ breakpoint at: l0: ldh [12]
+
+* breakpoint 1::
+
+ breakpoint at: l1: jeq #0x800, l2, l5
+
...
+
Sets breakpoints at particular BPF instructions. Issuing a `run` command
will walk through the pcap file continuing from the current packet and
break when a breakpoint is being hit (another `run` will continue from
the currently active breakpoint executing next instructions):
- > run
- -- register dump --
- pc: [0] <-- program counter
- code: [40] jt[0] jf[0] k[12] <-- plain BPF code of current instruction
- curr: l0: ldh [12] <-- disassembly of current instruction
- A: [00000000][0] <-- content of A (hex, decimal)
- X: [00000000][0] <-- content of X (hex, decimal)
- M[0,15]: [00000000][0] <-- folded content of M (hex, decimal)
- -- packet dump -- <-- Current packet from pcap (hex)
- len: 42
- 0: 00 19 cb 55 55 a4 00 14 a4 43 78 69 08 06 00 01
- 16: 08 00 06 04 00 01 00 14 a4 43 78 69 0a 3b 01 26
- 32: 00 00 00 00 00 00 0a 3b 01 01
- (breakpoint)
- >
-
-> breakpoint
-breakpoints: 0 1
- Prints currently set breakpoints.
-
-> step [-<n>, +<n>]
+ * run::
+
+ -- register dump --
+ pc: [0] <-- program counter
+ code: [40] jt[0] jf[0] k[12] <-- plain BPF code of current instruction
+ curr: l0: ldh [12] <-- disassembly of current instruction
+ A: [00000000][0] <-- content of A (hex, decimal)
+ X: [00000000][0] <-- content of X (hex, decimal)
+ M[0,15]: [00000000][0] <-- folded content of M (hex, decimal)
+ -- packet dump -- <-- Current packet from pcap (hex)
+ len: 42
+ 0: 00 19 cb 55 55 a4 00 14 a4 43 78 69 08 06 00 01
+ 16: 08 00 06 04 00 01 00 14 a4 43 78 69 0a 3b 01 26
+ 32: 00 00 00 00 00 00 0a 3b 01 01
+ (breakpoint)
+ >
+
+ * breakpoint::
+
+ breakpoints: 0 1
+
+ Prints currently set breakpoints.
+
+* step [-<n>, +<n>]
+
Performs single stepping through the BPF program from the current pc
offset. Thus, on each step invocation, above register dump is issued.
This can go forwards and backwards in time, a plain `step` will break
on the next BPF instruction, thus +1. (No `run` needs to be issued here.)
-> select <n>
+* select <n>
+
Selects a given packet from the pcap file to continue from. Thus, on
the next `run` or `step`, the BPF program is being evaluated against
the user pre-selected packet. Numbering starts just as in Wireshark
with index 1.
-> quit
-#
+* quit
+
Exits bpf_dbg.
JIT compiler
@@ -468,23 +498,23 @@ The Linux kernel has a built-in BPF JIT compiler for x86_64, SPARC,
PowerPC, ARM, ARM64, MIPS, RISC-V and s390 and can be enabled through
CONFIG_BPF_JIT. The JIT compiler is transparently invoked for each
attached filter from user space or for internal kernel users if it has
-been previously enabled by root:
+been previously enabled by root::
echo 1 > /proc/sys/net/core/bpf_jit_enable
For JIT developers, doing audits etc, each compile run can output the generated
-opcode image into the kernel log via:
+opcode image into the kernel log via::
echo 2 > /proc/sys/net/core/bpf_jit_enable
-Example output from dmesg:
+Example output from dmesg::
-[ 3389.935842] flen=6 proglen=70 pass=3 image=ffffffffa0069c8f
-[ 3389.935847] JIT code: 00000000: 55 48 89 e5 48 83 ec 60 48 89 5d f8 44 8b 4f 68
-[ 3389.935849] JIT code: 00000010: 44 2b 4f 6c 4c 8b 87 d8 00 00 00 be 0c 00 00 00
-[ 3389.935850] JIT code: 00000020: e8 1d 94 ff e0 3d 00 08 00 00 75 16 be 17 00 00
-[ 3389.935851] JIT code: 00000030: 00 e8 28 94 ff e0 83 f8 01 75 07 b8 ff ff 00 00
-[ 3389.935852] JIT code: 00000040: eb 02 31 c0 c9 c3
+ [ 3389.935842] flen=6 proglen=70 pass=3 image=ffffffffa0069c8f
+ [ 3389.935847] JIT code: 00000000: 55 48 89 e5 48 83 ec 60 48 89 5d f8 44 8b 4f 68
+ [ 3389.935849] JIT code: 00000010: 44 2b 4f 6c 4c 8b 87 d8 00 00 00 be 0c 00 00 00
+ [ 3389.935850] JIT code: 00000020: e8 1d 94 ff e0 3d 00 08 00 00 75 16 be 17 00 00
+ [ 3389.935851] JIT code: 00000030: 00 e8 28 94 ff e0 83 f8 01 75 07 b8 ff ff 00 00
+ [ 3389.935852] JIT code: 00000040: eb 02 31 c0 c9 c3
When CONFIG_BPF_JIT_ALWAYS_ON is enabled, bpf_jit_enable is permanently set to 1 and
setting any other value than that will return in failure. This is even the case for
@@ -493,78 +523,78 @@ is discouraged and introspection through bpftool (under tools/bpf/bpftool/) is t
generally recommended approach instead.
In the kernel source tree under tools/bpf/, there's bpf_jit_disasm for
-generating disassembly out of the kernel log's hexdump:
-
-# ./bpf_jit_disasm
-70 bytes emitted from JIT compiler (pass:3, flen:6)
-ffffffffa0069c8f + <x>:
- 0: push %rbp
- 1: mov %rsp,%rbp
- 4: sub $0x60,%rsp
- 8: mov %rbx,-0x8(%rbp)
- c: mov 0x68(%rdi),%r9d
- 10: sub 0x6c(%rdi),%r9d
- 14: mov 0xd8(%rdi),%r8
- 1b: mov $0xc,%esi
- 20: callq 0xffffffffe0ff9442
- 25: cmp $0x800,%eax
- 2a: jne 0x0000000000000042
- 2c: mov $0x17,%esi
- 31: callq 0xffffffffe0ff945e
- 36: cmp $0x1,%eax
- 39: jne 0x0000000000000042
- 3b: mov $0xffff,%eax
- 40: jmp 0x0000000000000044
- 42: xor %eax,%eax
- 44: leaveq
- 45: retq
-
-Issuing option `-o` will "annotate" opcodes to resulting assembler
-instructions, which can be very useful for JIT developers:
-
-# ./bpf_jit_disasm -o
-70 bytes emitted from JIT compiler (pass:3, flen:6)
-ffffffffa0069c8f + <x>:
- 0: push %rbp
- 55
- 1: mov %rsp,%rbp
- 48 89 e5
- 4: sub $0x60,%rsp
- 48 83 ec 60
- 8: mov %rbx,-0x8(%rbp)
- 48 89 5d f8
- c: mov 0x68(%rdi),%r9d
- 44 8b 4f 68
- 10: sub 0x6c(%rdi),%r9d
- 44 2b 4f 6c
- 14: mov 0xd8(%rdi),%r8
- 4c 8b 87 d8 00 00 00
- 1b: mov $0xc,%esi
- be 0c 00 00 00
- 20: callq 0xffffffffe0ff9442
- e8 1d 94 ff e0
- 25: cmp $0x800,%eax
- 3d 00 08 00 00
- 2a: jne 0x0000000000000042
- 75 16
- 2c: mov $0x17,%esi
- be 17 00 00 00
- 31: callq 0xffffffffe0ff945e
- e8 28 94 ff e0
- 36: cmp $0x1,%eax
- 83 f8 01
- 39: jne 0x0000000000000042
- 75 07
- 3b: mov $0xffff,%eax
- b8 ff ff 00 00
- 40: jmp 0x0000000000000044
- eb 02
- 42: xor %eax,%eax
- 31 c0
- 44: leaveq
- c9
- 45: retq
- c3
+generating disassembly out of the kernel log's hexdump::
+
+ # ./bpf_jit_disasm
+ 70 bytes emitted from JIT compiler (pass:3, flen:6)
+ ffffffffa0069c8f + <x>:
+ 0: push %rbp
+ 1: mov %rsp,%rbp
+ 4: sub $0x60,%rsp
+ 8: mov %rbx,-0x8(%rbp)
+ c: mov 0x68(%rdi),%r9d
+ 10: sub 0x6c(%rdi),%r9d
+ 14: mov 0xd8(%rdi),%r8
+ 1b: mov $0xc,%esi
+ 20: callq 0xffffffffe0ff9442
+ 25: cmp $0x800,%eax
+ 2a: jne 0x0000000000000042
+ 2c: mov $0x17,%esi
+ 31: callq 0xffffffffe0ff945e
+ 36: cmp $0x1,%eax
+ 39: jne 0x0000000000000042
+ 3b: mov $0xffff,%eax
+ 40: jmp 0x0000000000000044
+ 42: xor %eax,%eax
+ 44: leaveq
+ 45: retq
+
+ Issuing option `-o` will "annotate" opcodes to resulting assembler
+ instructions, which can be very useful for JIT developers:
+
+ # ./bpf_jit_disasm -o
+ 70 bytes emitted from JIT compiler (pass:3, flen:6)
+ ffffffffa0069c8f + <x>:
+ 0: push %rbp
+ 55
+ 1: mov %rsp,%rbp
+ 48 89 e5
+ 4: sub $0x60,%rsp
+ 48 83 ec 60
+ 8: mov %rbx,-0x8(%rbp)
+ 48 89 5d f8
+ c: mov 0x68(%rdi),%r9d
+ 44 8b 4f 68
+ 10: sub 0x6c(%rdi),%r9d
+ 44 2b 4f 6c
+ 14: mov 0xd8(%rdi),%r8
+ 4c 8b 87 d8 00 00 00
+ 1b: mov $0xc,%esi
+ be 0c 00 00 00
+ 20: callq 0xffffffffe0ff9442
+ e8 1d 94 ff e0
+ 25: cmp $0x800,%eax
+ 3d 00 08 00 00
+ 2a: jne 0x0000000000000042
+ 75 16
+ 2c: mov $0x17,%esi
+ be 17 00 00 00
+ 31: callq 0xffffffffe0ff945e
+ e8 28 94 ff e0
+ 36: cmp $0x1,%eax
+ 83 f8 01
+ 39: jne 0x0000000000000042
+ 75 07
+ 3b: mov $0xffff,%eax
+ b8 ff ff 00 00
+ 40: jmp 0x0000000000000044
+ eb 02
+ 42: xor %eax,%eax
+ 31 c0
+ 44: leaveq
+ c9
+ 45: retq
+ c3
For BPF JIT developers, bpf_jit_disasm, bpf_asm and bpf_dbg provides a useful
toolchain for developing and testing the kernel's JIT compiler.
@@ -663,9 +693,9 @@ Some core changes of the new internal format:
- Conditional jt/jf targets replaced with jt/fall-through:
- While the original design has constructs such as "if (cond) jump_true;
- else jump_false;", they are being replaced into alternative constructs like
- "if (cond) jump_true; /* else fall-through */".
+ While the original design has constructs such as ``if (cond) jump_true;
+ else jump_false;``, they are being replaced into alternative constructs like
+ ``if (cond) jump_true; /* else fall-through */``.
- Introduces bpf_call insn and register passing convention for zero overhead
calls from/to other kernel functions:
@@ -684,32 +714,32 @@ Some core changes of the new internal format:
a return value of the function. Since R6 - R9 are callee saved, their state
is preserved across the call.
- For example, consider three C functions:
+ For example, consider three C functions::
- u64 f1() { return (*_f2)(1); }
- u64 f2(u64 a) { return f3(a + 1, a); }
- u64 f3(u64 a, u64 b) { return a - b; }
+ u64 f1() { return (*_f2)(1); }
+ u64 f2(u64 a) { return f3(a + 1, a); }
+ u64 f3(u64 a, u64 b) { return a - b; }
- GCC can compile f1, f3 into x86_64:
+ GCC can compile f1, f3 into x86_64::
- f1:
- movl $1, %edi
- movq _f2(%rip), %rax
- jmp *%rax
- f3:
- movq %rdi, %rax
- subq %rsi, %rax
- ret
+ f1:
+ movl $1, %edi
+ movq _f2(%rip), %rax
+ jmp *%rax
+ f3:
+ movq %rdi, %rax
+ subq %rsi, %rax
+ ret
- Function f2 in eBPF may look like:
+ Function f2 in eBPF may look like::
- f2:
- bpf_mov R2, R1
- bpf_add R1, 1
- bpf_call f3
- bpf_exit
+ f2:
+ bpf_mov R2, R1
+ bpf_add R1, 1
+ bpf_call f3
+ bpf_exit
- If f2 is JITed and the pointer stored to '_f2'. The calls f1 -> f2 -> f3 and
+ If f2 is JITed and the pointer stored to ``_f2``. The calls f1 -> f2 -> f3 and
returns will be seamless. Without JIT, __bpf_prog_run() interpreter needs to
be used to call into f2.
@@ -722,6 +752,8 @@ Some core changes of the new internal format:
On 64-bit architectures all register map to HW registers one to one. For
example, x86_64 JIT compiler can map them as ...
+ ::
+
R0 - rax
R1 - rdi
R2 - rsi
@@ -737,7 +769,7 @@ Some core changes of the new internal format:
... since x86_64 ABI mandates rdi, rsi, rdx, rcx, r8, r9 for argument passing
and rbx, r12 - r15 are callee saved.
- Then the following internal BPF pseudo-program:
+ Then the following internal BPF pseudo-program::
bpf_mov R6, R1 /* save ctx */
bpf_mov R2, 2
@@ -755,7 +787,7 @@ Some core changes of the new internal format:
bpf_add R0, R7
bpf_exit
- After JIT to x86_64 may look like:
+ After JIT to x86_64 may look like::
push %rbp
mov %rsp,%rbp
@@ -781,21 +813,21 @@ Some core changes of the new internal format:
leaveq
retq
- Which is in this example equivalent in C to:
+ Which is in this example equivalent in C to::
u64 bpf_filter(u64 ctx)
{
- return foo(ctx, 2, 3, 4, 5) + bar(ctx, 6, 7, 8, 9);
+ return foo(ctx, 2, 3, 4, 5) + bar(ctx, 6, 7, 8, 9);
}
In-kernel functions foo() and bar() with prototype: u64 (*)(u64 arg1, u64
arg2, u64 arg3, u64 arg4, u64 arg5); will receive arguments in proper
- registers and place their return value into '%rax' which is R0 in eBPF.
+ registers and place their return value into ``%rax`` which is R0 in eBPF.
Prologue and epilogue are emitted by JIT and are implicit in the
interpreter. R0-R5 are scratch registers, so eBPF program needs to preserve
them across the calls as defined by calling convention.
- For example the following program is invalid:
+ For example the following program is invalid::
bpf_mov R1, 1
bpf_call foo
@@ -814,7 +846,7 @@ The input context pointer for invoking the interpreter function is generic,
its content is defined by a specific use case. For seccomp register R1 points
to seccomp_data, for converted BPF filters R1 points to a skb.
-A program, that is translated internally consists of the following elements:
+A program, that is translated internally consists of the following elements::
op:16, jt:8, jf:8, k:32 ==> op:8, dst_reg:4, src_reg:4, off:16, imm:32
@@ -824,7 +856,7 @@ instructions must be multiple of 8 bytes to preserve backward compatibility.
Internal BPF is a general purpose RISC instruction set. Not every register and
every instruction are used during translation from original BPF to new format.
-For example, socket filters are not using 'exclusive add' instruction, but
+For example, socket filters are not using ``exclusive add`` instruction, but
tracing filters may do to maintain counters of events, for example. Register R9
is not used by socket filters either, but more complex filters may be running
out of registers and would have to resort to spill/fill to stack.
@@ -849,7 +881,7 @@ eBPF opcode encoding
eBPF is reusing most of the opcode encoding from classic to simplify conversion
of classic BPF to eBPF. For arithmetic and jump instructions the 8-bit 'code'
-field is divided into three parts:
+field is divided into three parts::
+----------------+--------+--------------------+
| 4 bits | 1 bit | 3 bits |
@@ -859,8 +891,9 @@ field is divided into three parts:
Three LSB bits store instruction class which is one of:
- Classic BPF classes: eBPF classes:
-
+ =================== ===============
+ Classic BPF classes eBPF classes
+ =================== ===============
BPF_LD 0x00 BPF_LD 0x00
BPF_LDX 0x01 BPF_LDX 0x01
BPF_ST 0x02 BPF_ST 0x02
@@ -869,25 +902,28 @@ Three LSB bits store instruction class which is one of:
BPF_JMP 0x05 BPF_JMP 0x05
BPF_RET 0x06 BPF_JMP32 0x06
BPF_MISC 0x07 BPF_ALU64 0x07
+ =================== ===============
When BPF_CLASS(code) == BPF_ALU or BPF_JMP, 4th bit encodes source operand ...
- BPF_K 0x00
- BPF_X 0x08
+ ::
+
+ BPF_K 0x00
+ BPF_X 0x08
- * in classic BPF, this means:
+ * in classic BPF, this means::
- BPF_SRC(code) == BPF_X - use register X as source operand
- BPF_SRC(code) == BPF_K - use 32-bit immediate as source operand
+ BPF_SRC(code) == BPF_X - use register X as source operand
+ BPF_SRC(code) == BPF_K - use 32-bit immediate as source operand
- * in eBPF, this means:
+ * in eBPF, this means::
- BPF_SRC(code) == BPF_X - use 'src_reg' register as source operand
- BPF_SRC(code) == BPF_K - use 32-bit immediate as source operand
+ BPF_SRC(code) == BPF_X - use 'src_reg' register as source operand
+ BPF_SRC(code) == BPF_K - use 32-bit immediate as source operand
... and four MSB bits store operation code.
-If BPF_CLASS(code) == BPF_ALU or BPF_ALU64 [ in eBPF ], BPF_OP(code) is one of:
+If BPF_CLASS(code) == BPF_ALU or BPF_ALU64 [ in eBPF ], BPF_OP(code) is one of::
BPF_ADD 0x00
BPF_SUB 0x10
@@ -904,7 +940,7 @@ If BPF_CLASS(code) == BPF_ALU or BPF_ALU64 [ in eBPF ], BPF_OP(code) is one of:
BPF_ARSH 0xc0 /* eBPF only: sign extending shift right */
BPF_END 0xd0 /* eBPF only: endianness conversion */
-If BPF_CLASS(code) == BPF_JMP or BPF_JMP32 [ in eBPF ], BPF_OP(code) is one of:
+If BPF_CLASS(code) == BPF_JMP or BPF_JMP32 [ in eBPF ], BPF_OP(code) is one of::
BPF_JA 0x00 /* BPF_JMP only */
BPF_JEQ 0x10
@@ -934,7 +970,7 @@ exactly the same operations as BPF_ALU, but with 64-bit wide operands
instead. So BPF_ADD | BPF_X | BPF_ALU64 means 64-bit addition, i.e.:
dst_reg = dst_reg + src_reg
-Classic BPF wastes the whole BPF_RET class to represent a single 'ret'
+Classic BPF wastes the whole BPF_RET class to represent a single ``ret``
operation. Classic BPF_RET | BPF_K means copy imm32 into return register
and perform function exit. eBPF is modeled to match CPU, so BPF_JMP | BPF_EXIT
in eBPF means function exit only. The eBPF program needs to store return
@@ -942,7 +978,7 @@ value into register R0 before doing a BPF_EXIT. Class 6 in eBPF is used as
BPF_JMP32 to mean exactly the same operations as BPF_JMP, but with 32-bit wide
operands for the comparisons instead.
-For load and store instructions the 8-bit 'code' field is divided as:
+For load and store instructions the 8-bit 'code' field is divided as::
+--------+--------+-------------------+
| 3 bits | 2 bits | 3 bits |
@@ -952,19 +988,21 @@ For load and store instructions the 8-bit 'code' field is divided as:
Size modifier is one of ...
+::
+
BPF_W 0x00 /* word */
BPF_H 0x08 /* half word */
BPF_B 0x10 /* byte */
BPF_DW 0x18 /* eBPF only, double word */
-... which encodes size of load/store operation:
+... which encodes size of load/store operation::
B - 1 byte
H - 2 byte
W - 4 byte
DW - 8 byte (eBPF only)
-Mode modifier is one of:
+Mode modifier is one of::
BPF_IMM 0x00 /* used for 32-bit mov in classic BPF and 64-bit in eBPF */
BPF_ABS 0x20
@@ -979,7 +1017,7 @@ eBPF has two non-generic instructions: (BPF_ABS | <size> | BPF_LD) and
They had to be carried over from classic to have strong performance of
socket filters running in eBPF interpreter. These instructions can only
-be used when interpreter context is a pointer to 'struct sk_buff' and
+be used when interpreter context is a pointer to ``struct sk_buff`` and
have seven implicit operands. Register R6 is an implicit input that must
contain pointer to sk_buff. Register R0 is an implicit output which contains
the data fetched from the packet. Registers R1-R5 are scratch registers
@@ -992,26 +1030,26 @@ the interpreter will abort the execution of the program. JIT compilers
therefore must preserve this property. src_reg and imm32 fields are
explicit inputs to these instructions.
-For example:
+For example::
BPF_IND | BPF_W | BPF_LD means:
R0 = ntohl(*(u32 *) (((struct sk_buff *) R6)->data + src_reg + imm32))
and R1 - R5 were scratched.
-Unlike classic BPF instruction set, eBPF has generic load/store operations:
+Unlike classic BPF instruction set, eBPF has generic load/store operations::
-BPF_MEM | <size> | BPF_STX: *(size *) (dst_reg + off) = src_reg
-BPF_MEM | <size> | BPF_ST: *(size *) (dst_reg + off) = imm32
-BPF_MEM | <size> | BPF_LDX: dst_reg = *(size *) (src_reg + off)
-BPF_XADD | BPF_W | BPF_STX: lock xadd *(u32 *)(dst_reg + off16) += src_reg
-BPF_XADD | BPF_DW | BPF_STX: lock xadd *(u64 *)(dst_reg + off16) += src_reg
+ BPF_MEM | <size> | BPF_STX: *(size *) (dst_reg + off) = src_reg
+ BPF_MEM | <size> | BPF_ST: *(size *) (dst_reg + off) = imm32
+ BPF_MEM | <size> | BPF_LDX: dst_reg = *(size *) (src_reg + off)
+ BPF_XADD | BPF_W | BPF_STX: lock xadd *(u32 *)(dst_reg + off16) += src_reg
+ BPF_XADD | BPF_DW | BPF_STX: lock xadd *(u64 *)(dst_reg + off16) += src_reg
Where size is one of: BPF_B or BPF_H or BPF_W or BPF_DW. Note that 1 and
2 byte atomic increments are not supported.
eBPF has one 16-byte instruction: BPF_LD | BPF_DW | BPF_IMM which consists
-of two consecutive 'struct bpf_insn' 8-byte blocks and interpreted as single
+of two consecutive ``struct bpf_insn`` 8-byte blocks and interpreted as single
instruction that loads 64-bit immediate value into a dst_reg.
Classic BPF has similar instruction: BPF_LD | BPF_W | BPF_IMM which loads
32-bit immediate value into a register.
@@ -1037,38 +1075,48 @@ since addition of two valid pointers makes invalid pointer.
(In 'secure' mode verifier will reject any type of pointer arithmetic to make
sure that kernel addresses don't leak to unprivileged users)
-If register was never written to, it's not readable:
+If register was never written to, it's not readable::
+
bpf_mov R0 = R2
bpf_exit
+
will be rejected, since R2 is unreadable at the start of the program.
After kernel function call, R1-R5 are reset to unreadable and
R0 has a return type of the function.
Since R6-R9 are callee saved, their state is preserved across the call.
+
+::
+
bpf_mov R6 = 1
bpf_call foo
bpf_mov R0 = R6
bpf_exit
+
is a correct program. If there was R1 instead of R6, it would have
been rejected.
load/store instructions are allowed only with registers of valid types, which
are PTR_TO_CTX, PTR_TO_MAP, PTR_TO_STACK. They are bounds and alignment checked.
-For example:
+For example::
+
bpf_mov R1 = 1
bpf_mov R2 = 2
bpf_xadd *(u32 *)(R1 + 3) += R2
bpf_exit
+
will be rejected, since R1 doesn't have a valid pointer type at the time of
execution of instruction bpf_xadd.
-At the start R1 type is PTR_TO_CTX (a pointer to generic 'struct bpf_context')
+At the start R1 type is PTR_TO_CTX (a pointer to generic ``struct bpf_context``)
A callback is used to customize verifier to restrict eBPF program access to only
certain fields within ctx structure with specified size and alignment.
-For example, the following insn:
+For example, the following insn::
+
bpf_ld R0 = *(u32 *)(R6 + 8)
+
intends to load a word from address R6 + 8 and store it into R0
If R6=PTR_TO_CTX, via is_valid_access() callback the verifier will know
that offset 8 of size 4 bytes can be accessed for reading, otherwise
@@ -1079,10 +1127,13 @@ so it will fail verification, since it's out of bounds.
The verifier will allow eBPF program to read data from stack only after
it wrote into it.
+
Classic BPF verifier does similar check with M[0-15] memory slots.
-For example:
+For example::
+
bpf_ld R0 = *(u32 *)(R10 - 4)
bpf_exit
+
is invalid program.
Though R10 is correct read-only register and has type PTR_TO_STACK
and R10 - 4 is within stack bounds, there were no stores into that location.
@@ -1113,48 +1164,61 @@ Register value tracking
-----------------------
In order to determine the safety of an eBPF program, the verifier must track
the range of possible values in each register and also in each stack slot.
-This is done with 'struct bpf_reg_state', defined in include/linux/
+This is done with ``struct bpf_reg_state``, defined in include/linux/
bpf_verifier.h, which unifies tracking of scalar and pointer values. Each
register state has a type, which is either NOT_INIT (the register has not been
written to), SCALAR_VALUE (some value which is not usable as a pointer), or a
pointer type. The types of pointers describe their base, as follows:
- PTR_TO_CTX Pointer to bpf_context.
- CONST_PTR_TO_MAP Pointer to struct bpf_map. "Const" because arithmetic
- on these pointers is forbidden.
- PTR_TO_MAP_VALUE Pointer to the value stored in a map element.
+
+
+ PTR_TO_CTX
+ Pointer to bpf_context.
+ CONST_PTR_TO_MAP
+ Pointer to struct bpf_map. "Const" because arithmetic
+ on these pointers is forbidden.
+ PTR_TO_MAP_VALUE
+ Pointer to the value stored in a map element.
PTR_TO_MAP_VALUE_OR_NULL
- Either a pointer to a map value, or NULL; map accesses
- (see section 'eBPF maps', below) return this type,
- which becomes a PTR_TO_MAP_VALUE when checked != NULL.
- Arithmetic on these pointers is forbidden.
- PTR_TO_STACK Frame pointer.
- PTR_TO_PACKET skb->data.
- PTR_TO_PACKET_END skb->data + headlen; arithmetic forbidden.
- PTR_TO_SOCKET Pointer to struct bpf_sock_ops, implicitly refcounted.
+ Either a pointer to a map value, or NULL; map accesses
+ (see section 'eBPF maps', below) return this type,
+ which becomes a PTR_TO_MAP_VALUE when checked != NULL.
+ Arithmetic on these pointers is forbidden.
+ PTR_TO_STACK
+ Frame pointer.
+ PTR_TO_PACKET
+ skb->data.
+ PTR_TO_PACKET_END
+ skb->data + headlen; arithmetic forbidden.
+ PTR_TO_SOCKET
+ Pointer to struct bpf_sock_ops, implicitly refcounted.
PTR_TO_SOCKET_OR_NULL
- Either a pointer to a socket, or NULL; socket lookup
- returns this type, which becomes a PTR_TO_SOCKET when
- checked != NULL. PTR_TO_SOCKET is reference-counted,
- so programs must release the reference through the
- socket release function before the end of the program.
- Arithmetic on these pointers is forbidden.
+ Either a pointer to a socket, or NULL; socket lookup
+ returns this type, which becomes a PTR_TO_SOCKET when
+ checked != NULL. PTR_TO_SOCKET is reference-counted,
+ so programs must release the reference through the
+ socket release function before the end of the program.
+ Arithmetic on these pointers is forbidden.
+
However, a pointer may be offset from this base (as a result of pointer
arithmetic), and this is tracked in two parts: the 'fixed offset' and 'variable
offset'. The former is used when an exactly-known value (e.g. an immediate
operand) is added to a pointer, while the latter is used for values which are
not exactly known. The variable offset is also used in SCALAR_VALUEs, to track
the range of possible values in the register.
+
The verifier's knowledge about the variable offset consists of:
+
* minimum and maximum values as unsigned
* minimum and maximum values as signed
+
* knowledge of the values of individual bits, in the form of a 'tnum': a u64
-'mask' and a u64 'value'. 1s in the mask represent bits whose value is unknown;
-1s in the value represent bits known to be 1. Bits known to be 0 have 0 in both
-mask and value; no bit should ever be 1 in both. For example, if a byte is read
-into a register from memory, the register's top 56 bits are known zero, while
-the low 8 are unknown - which is represented as the tnum (0x0; 0xff). If we
-then OR this with 0x40, we get (0x40; 0xbf), then if we add 1 we get (0x0;
-0x1ff), because of potential carries.
+ 'mask' and a u64 'value'. 1s in the mask represent bits whose value is unknown;
+ 1s in the value represent bits known to be 1. Bits known to be 0 have 0 in both
+ mask and value; no bit should ever be 1 in both. For example, if a byte is read
+ into a register from memory, the register's top 56 bits are known zero, while
+ the low 8 are unknown - which is represented as the tnum (0x0; 0xff). If we
+ then OR this with 0x40, we get (0x40; 0xbf), then if we add 1 we get (0x0;
+ 0x1ff), because of potential carries.
Besides arithmetic, the register state can also be updated by conditional
branches. For instance, if a SCALAR_VALUE is compared > 8, in the 'true' branch
@@ -1188,7 +1252,7 @@ The 'id' field is also used on PTR_TO_SOCKET and PTR_TO_SOCKET_OR_NULL, common
to all copies of the pointer returned from a socket lookup. This has similar
behaviour to the handling for PTR_TO_MAP_VALUE_OR_NULL->PTR_TO_MAP_VALUE, but
it also handles reference tracking for the pointer. PTR_TO_SOCKET implicitly
-represents a reference to the corresponding 'struct sock'. To ensure that the
+represents a reference to the corresponding ``struct sock``. To ensure that the
reference is not leaked, it is imperative to NULL-check the reference and in
the non-NULL case, and pass the valid reference to the socket release function.
@@ -1196,17 +1260,18 @@ Direct packet access
--------------------
In cls_bpf and act_bpf programs the verifier allows direct access to the packet
data via skb->data and skb->data_end pointers.
-Ex:
-1: r4 = *(u32 *)(r1 +80) /* load skb->data_end */
-2: r3 = *(u32 *)(r1 +76) /* load skb->data */
-3: r5 = r3
-4: r5 += 14
-5: if r5 > r4 goto pc+16
-R1=ctx R3=pkt(id=0,off=0,r=14) R4=pkt_end R5=pkt(id=0,off=14,r=14) R10=fp
-6: r0 = *(u16 *)(r3 +12) /* access 12 and 13 bytes of the packet */
+Ex::
+
+ 1: r4 = *(u32 *)(r1 +80) /* load skb->data_end */
+ 2: r3 = *(u32 *)(r1 +76) /* load skb->data */
+ 3: r5 = r3
+ 4: r5 += 14
+ 5: if r5 > r4 goto pc+16
+ R1=ctx R3=pkt(id=0,off=0,r=14) R4=pkt_end R5=pkt(id=0,off=14,r=14) R10=fp
+ 6: r0 = *(u16 *)(r3 +12) /* access 12 and 13 bytes of the packet */
this 2byte load from the packet is safe to do, since the program author
-did check 'if (skb->data + 14 > skb->data_end) goto err' at insn #5 which
+did check ``if (skb->data + 14 > skb->data_end) goto err`` at insn #5 which
means that in the fall-through case the register R3 (which points to skb->data)
has at least 14 directly accessible bytes. The verifier marks it
as R3=pkt(id=0,off=0,r=14).
@@ -1215,52 +1280,58 @@ off=0 means that no additional constants were added.
r=14 is the range of safe access which means that bytes [R3, R3 + 14) are ok.
Note that R5 is marked as R5=pkt(id=0,off=14,r=14). It also points
to the packet data, but constant 14 was added to the register, so
-it now points to 'skb->data + 14' and accessible range is [R5, R5 + 14 - 14)
+it now points to ``skb->data + 14`` and accessible range is [R5, R5 + 14 - 14)
which is zero bytes.
-More complex packet access may look like:
- R0=inv1 R1=ctx R3=pkt(id=0,off=0,r=14) R4=pkt_end R5=pkt(id=0,off=14,r=14) R10=fp
- 6: r0 = *(u8 *)(r3 +7) /* load 7th byte from the packet */
- 7: r4 = *(u8 *)(r3 +12)
- 8: r4 *= 14
- 9: r3 = *(u32 *)(r1 +76) /* load skb->data */
-10: r3 += r4
-11: r2 = r1
-12: r2 <<= 48
-13: r2 >>= 48
-14: r3 += r2
-15: r2 = r3
-16: r2 += 8
-17: r1 = *(u32 *)(r1 +80) /* load skb->data_end */
-18: if r2 > r1 goto pc+2
- R0=inv(id=0,umax_value=255,var_off=(0x0; 0xff)) R1=pkt_end R2=pkt(id=2,off=8,r=8) R3=pkt(id=2,off=0,r=8) R4=inv(id=0,umax_value=3570,var_off=(0x0; 0xfffe)) R5=pkt(id=0,off=14,r=14) R10=fp
-19: r1 = *(u8 *)(r3 +4)
+More complex packet access may look like::
+
+
+ R0=inv1 R1=ctx R3=pkt(id=0,off=0,r=14) R4=pkt_end R5=pkt(id=0,off=14,r=14) R10=fp
+ 6: r0 = *(u8 *)(r3 +7) /* load 7th byte from the packet */
+ 7: r4 = *(u8 *)(r3 +12)
+ 8: r4 *= 14
+ 9: r3 = *(u32 *)(r1 +76) /* load skb->data */
+ 10: r3 += r4
+ 11: r2 = r1
+ 12: r2 <<= 48
+ 13: r2 >>= 48
+ 14: r3 += r2
+ 15: r2 = r3
+ 16: r2 += 8
+ 17: r1 = *(u32 *)(r1 +80) /* load skb->data_end */
+ 18: if r2 > r1 goto pc+2
+ R0=inv(id=0,umax_value=255,var_off=(0x0; 0xff)) R1=pkt_end R2=pkt(id=2,off=8,r=8) R3=pkt(id=2,off=0,r=8) R4=inv(id=0,umax_value=3570,var_off=(0x0; 0xfffe)) R5=pkt(id=0,off=14,r=14) R10=fp
+ 19: r1 = *(u8 *)(r3 +4)
+
The state of the register R3 is R3=pkt(id=2,off=0,r=8)
-id=2 means that two 'r3 += rX' instructions were seen, so r3 points to some
+id=2 means that two ``r3 += rX`` instructions were seen, so r3 points to some
offset within a packet and since the program author did
-'if (r3 + 8 > r1) goto err' at insn #18, the safe range is [R3, R3 + 8).
+``if (r3 + 8 > r1) goto err`` at insn #18, the safe range is [R3, R3 + 8).
The verifier only allows 'add'/'sub' operations on packet registers. Any other
operation will set the register state to 'SCALAR_VALUE' and it won't be
available for direct packet access.
-Operation 'r3 += rX' may overflow and become less than original skb->data,
-therefore the verifier has to prevent that. So when it sees 'r3 += rX'
+
+Operation ``r3 += rX`` may overflow and become less than original skb->data,
+therefore the verifier has to prevent that. So when it sees ``r3 += rX``
instruction and rX is more than 16-bit value, any subsequent bounds-check of r3
against skb->data_end will not give us 'range' information, so attempts to read
through the pointer will give "invalid access to packet" error.
-Ex. after insn 'r4 = *(u8 *)(r3 +12)' (insn #7 above) the state of r4 is
+
+Ex. after insn ``r4 = *(u8 *)(r3 +12)`` (insn #7 above) the state of r4 is
R4=inv(id=0,umax_value=255,var_off=(0x0; 0xff)) which means that upper 56 bits
of the register are guaranteed to be zero, and nothing is known about the lower
-8 bits. After insn 'r4 *= 14' the state becomes
+8 bits. After insn ``r4 *= 14`` the state becomes
R4=inv(id=0,umax_value=3570,var_off=(0x0; 0xfffe)), since multiplying an 8-bit
value by constant 14 will keep upper 52 bits as zero, also the least significant
-bit will be zero as 14 is even. Similarly 'r2 >>= 48' will make
+bit will be zero as 14 is even. Similarly ``r2 >>= 48`` will make
R2=inv(id=0,umax_value=65535,var_off=(0x0; 0xffff)), since the shift is not sign
extending. This logic is implemented in adjust_reg_min_max_vals() function,
which calls adjust_ptr_min_max_vals() for adding pointer to scalar (or vice
versa) and adjust_scalar_min_max_vals() for operations on two scalars.
The end result is that bpf program author can access packet directly
-using normal C code as:
+using normal C code as::
+
void *data = (void *)(long)skb->data;
void *data_end = (void *)(long)skb->data_end;
struct eth_hdr *eth = data;
@@ -1268,13 +1339,14 @@ using normal C code as:
struct udphdr *udp = data + sizeof(*eth) + sizeof(*iph);
if (data + sizeof(*eth) + sizeof(*iph) + sizeof(*udp) > data_end)
- return 0;
+ return 0;
if (eth->h_proto != htons(ETH_P_IP))
- return 0;
+ return 0;
if (iph->protocol != IPPROTO_UDP || iph->ihl != 5)
- return 0;
+ return 0;
if (udp->dest == 53 || udp->source == 9)
- ...;
+ ...;
+
which makes such programs easier to write comparing to LD_ABS insn
and significantly faster.
@@ -1284,23 +1356,24 @@ eBPF maps
and userspace.
The maps are accessed from user space via BPF syscall, which has commands:
+
- create a map with given type and attributes
- map_fd = bpf(BPF_MAP_CREATE, union bpf_attr *attr, u32 size)
+ ``map_fd = bpf(BPF_MAP_CREATE, union bpf_attr *attr, u32 size)``
using attr->map_type, attr->key_size, attr->value_size, attr->max_entries
returns process-local file descriptor or negative error
- lookup key in a given map
- err = bpf(BPF_MAP_LOOKUP_ELEM, union bpf_attr *attr, u32 size)
+ ``err = bpf(BPF_MAP_LOOKUP_ELEM, union bpf_attr *attr, u32 size)``
using attr->map_fd, attr->key, attr->value
returns zero and stores found elem into value or negative error
- create or update key/value pair in a given map
- err = bpf(BPF_MAP_UPDATE_ELEM, union bpf_attr *attr, u32 size)
+ ``err = bpf(BPF_MAP_UPDATE_ELEM, union bpf_attr *attr, u32 size)``
using attr->map_fd, attr->key, attr->value
returns zero or negative error
- find and delete element by key in a given map
- err = bpf(BPF_MAP_DELETE_ELEM, union bpf_attr *attr, u32 size)
+ ``err = bpf(BPF_MAP_DELETE_ELEM, union bpf_attr *attr, u32 size)``
using attr->map_fd, attr->key
- to delete map: close(fd)
@@ -1312,10 +1385,11 @@ are concurrently updating.
maps can have different types: hash, array, bloom filter, radix-tree, etc.
The map is defined by:
- . type
- . max number of elements
- . key size in bytes
- . value size in bytes
+
+ - type
+ - max number of elements
+ - key size in bytes
+ - value size in bytes
Pruning
-------
@@ -1339,57 +1413,75 @@ Understanding eBPF verifier messages
The following are few examples of invalid eBPF programs and verifier error
messages as seen in the log:
-Program with unreachable instructions:
-static struct bpf_insn prog[] = {
+Program with unreachable instructions::
+
+ static struct bpf_insn prog[] = {
BPF_EXIT_INSN(),
BPF_EXIT_INSN(),
-};
+ };
+
Error:
+
unreachable insn 1
-Program that reads uninitialized register:
+Program that reads uninitialized register::
+
BPF_MOV64_REG(BPF_REG_0, BPF_REG_2),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (bf) r0 = r2
R2 !read_ok
-Program that doesn't initialize R0 before exiting:
+Program that doesn't initialize R0 before exiting::
+
BPF_MOV64_REG(BPF_REG_2, BPF_REG_1),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (bf) r2 = r1
1: (95) exit
R0 !read_ok
-Program that accesses stack out of bounds:
- BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
- BPF_EXIT_INSN(),
-Error:
- 0: (7a) *(u64 *)(r10 +8) = 0
- invalid stack off=8 size=8
+Program that accesses stack out of bounds::
+
+ BPF_ST_MEM(BPF_DW, BPF_REG_10, 8, 0),
+ BPF_EXIT_INSN(),
+
+Error::
+
+ 0: (7a) *(u64 *)(r10 +8) = 0
+ invalid stack off=8 size=8
+
+Program that doesn't initialize stack before passing its address into function::
-Program that doesn't initialize stack before passing its address into function:
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (bf) r2 = r10
1: (07) r2 += -8
2: (b7) r1 = 0x0
3: (85) call 1
invalid indirect read from stack off -8+0 size 8
-Program that uses invalid map_fd=0 while calling to map_lookup_elem() function:
+Program that uses invalid map_fd=0 while calling to map_lookup_elem() function::
+
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (7a) *(u64 *)(r10 -8) = 0
1: (bf) r2 = r10
2: (07) r2 += -8
@@ -1398,7 +1490,8 @@ Error:
fd 0 is not pointing to valid bpf_map
Program that doesn't check return value of map_lookup_elem() before accessing
-map element:
+map element::
+
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
@@ -1406,7 +1499,9 @@ map element:
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 0),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (7a) *(u64 *)(r10 -8) = 0
1: (bf) r2 = r10
2: (07) r2 += -8
@@ -1416,7 +1511,8 @@ Error:
R0 invalid mem access 'map_value_or_null'
Program that correctly checks map_lookup_elem() returned value for NULL, but
-accesses the memory with incorrect alignment:
+accesses the memory with incorrect alignment::
+
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
@@ -1425,7 +1521,9 @@ accesses the memory with incorrect alignment:
BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 4, 0),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (7a) *(u64 *)(r10 -8) = 0
1: (bf) r2 = r10
2: (07) r2 += -8
@@ -1438,7 +1536,8 @@ Error:
Program that correctly checks map_lookup_elem() returned value for NULL and
accesses memory with correct alignment in one side of 'if' branch, but fails
-to do so in the other side of 'if' branch:
+to do so in the other side of 'if' branch::
+
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
@@ -1449,7 +1548,9 @@ to do so in the other side of 'if' branch:
BPF_EXIT_INSN(),
BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 1),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (7a) *(u64 *)(r10 -8) = 0
1: (bf) r2 = r10
2: (07) r2 += -8
@@ -1465,8 +1566,8 @@ Error:
R0 invalid mem access 'imm'
Program that performs a socket lookup then sets the pointer to NULL without
-checking it:
-value:
+checking it::
+
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
@@ -1477,7 +1578,9 @@ value:
BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (b7) r2 = 0
1: (63) *(u32 *)(r10 -8) = r2
2: (bf) r2 = r10
@@ -1491,7 +1594,8 @@ Error:
Unreleased reference id=1, alloc_insn=7
Program that performs a socket lookup but does not NULL-check the returned
-value:
+value::
+
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_STX_MEM(BPF_W, BPF_REG_10, BPF_REG_2, -8),
BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
@@ -1501,7 +1605,9 @@ value:
BPF_MOV64_IMM(BPF_REG_5, 0),
BPF_EMIT_CALL(BPF_FUNC_sk_lookup_tcp),
BPF_EXIT_INSN(),
-Error:
+
+Error::
+
0: (b7) r2 = 0
1: (63) *(u32 *)(r10 -8) = r2
2: (bf) r2 = r10
@@ -1519,7 +1625,7 @@ Testing
Next to the BPF toolchain, the kernel also ships a test module that contains
various test cases for classic and internal BPF that can be executed against
the BPF interpreter and JIT compiler. It can be found in lib/test_bpf.c and
-enabled via Kconfig:
+enabled via Kconfig::
CONFIG_TEST_BPF=m
@@ -1540,6 +1646,6 @@ The document was written in the hope that it is found useful and in order
to give potential BPF hackers or security auditors a better overview of
the underlying architecture.
-Jay Schulist <jschlst@samba.org>
-Daniel Borkmann <daniel@iogearbox.net>
-Alexei Starovoitov <ast@kernel.org>
+- Jay Schulist <jschlst@samba.org>
+- Daniel Borkmann <daniel@iogearbox.net>
+- Alexei Starovoitov <ast@kernel.org>
diff --git a/Documentation/networking/fore200e.txt b/Documentation/networking/fore200e.rst
index 1f98f62b4370..55df9ec09ac8 100644
--- a/Documentation/networking/fore200e.txt
+++ b/Documentation/networking/fore200e.rst
@@ -1,6 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+=============================================
FORE Systems PCA-200E/SBA-200E ATM NIC driver
----------------------------------------------
+=============================================
This driver adds support for the FORE Systems 200E-series ATM adapters
to the Linux operating system. It is based on the earlier PCA-200E driver
@@ -27,8 +29,8 @@ in the linux/drivers/atm directory for details and restrictions.
Firmware Updates
----------------
-The FORE Systems 200E-series driver is shipped with firmware data being
-uploaded to the ATM adapters at system boot time or at module loading time.
+The FORE Systems 200E-series driver is shipped with firmware data being
+uploaded to the ATM adapters at system boot time or at module loading time.
The supplied firmware images should work with all adapters.
However, if you encounter problems (the firmware doesn't start or the driver
diff --git a/Documentation/networking/framerelay.txt b/Documentation/networking/framerelay.rst
index 1a0b720440dd..6d904399ec6d 100644
--- a/Documentation/networking/framerelay.txt
+++ b/Documentation/networking/framerelay.rst
@@ -1,4 +1,10 @@
-Frame Relay (FR) support for linux is built into a two tiered system of device
+.. SPDX-License-Identifier: GPL-2.0
+
+================
+Frame Relay (FR)
+================
+
+Frame Relay (FR) support for linux is built into a two tiered system of device
drivers. The upper layer implements RFC1490 FR specification, and uses the
Data Link Connection Identifier (DLCI) as its hardware address. Usually these
are assigned by your network supplier, they give you the number/numbers of
@@ -7,18 +13,18 @@ the Virtual Connections (VC) assigned to you.
Each DLCI is a point-to-point link between your machine and a remote one.
As such, a separate device is needed to accommodate the routing. Within the
net-tools archives is 'dlcicfg'. This program will communicate with the
-base "DLCI" device, and create new net devices named 'dlci00', 'dlci01'...
+base "DLCI" device, and create new net devices named 'dlci00', 'dlci01'...
The configuration script will ask you how many DLCIs you need, as well as
how many DLCIs you want to assign to each Frame Relay Access Device (FRAD).
The DLCI uses a number of function calls to communicate with the FRAD, all
-of which are stored in the FRAD's private data area. assoc/deassoc,
+of which are stored in the FRAD's private data area. assoc/deassoc,
activate/deactivate and dlci_config. The DLCI supplies a receive function
to the FRAD to accept incoming packets.
With this initial offering, only 1 FRAD driver is available. With many thanks
-to Sangoma Technologies, David Mandelstam & Gene Kozin, the S502A, S502E &
-S508 are supported. This driver is currently set up for only FR, but as
+to Sangoma Technologies, David Mandelstam & Gene Kozin, the S502A, S502E &
+S508 are supported. This driver is currently set up for only FR, but as
Sangoma makes more firmware modules available, it can be updated to provide
them as well.
@@ -32,8 +38,7 @@ an initial configuration.
Additional FRAD device drivers can be added as hardware is available.
At this time, the dlcicfg and fradcfg programs have not been incorporated into
-the net-tools distribution. They can be found at ftp.invlogic.com, in
+the net-tools distribution. They can be found at ftp.invlogic.com, in
/pub/linux. Note that with OS/2 FTPD, you end up in /pub by default, so just
-use 'cd linux'. v0.10 is for use on pre-2.0.3 and earlier, v0.15 is for
+use 'cd linux'. v0.10 is for use on pre-2.0.3 and earlier, v0.15 is for
pre-2.0.4 and later.
-
diff --git a/Documentation/networking/gen_stats.txt b/Documentation/networking/gen_stats.rst
index 179b18ce45ff..595a83b9a61b 100644
--- a/Documentation/networking/gen_stats.txt
+++ b/Documentation/networking/gen_stats.rst
@@ -1,67 +1,76 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===============================================
Generic networking statistics for netlink users
-======================================================================
+===============================================
Statistic counters are grouped into structs:
+==================== ===================== =====================
Struct TLV type Description
-----------------------------------------------------------------------
+==================== ===================== =====================
gnet_stats_basic TCA_STATS_BASIC Basic statistics
gnet_stats_rate_est TCA_STATS_RATE_EST Rate estimator
gnet_stats_queue TCA_STATS_QUEUE Queue statistics
none TCA_STATS_APP Application specific
+==================== ===================== =====================
Collecting:
-----------
-Declare the statistic structs you need:
-struct mystruct {
- struct gnet_stats_basic bstats;
- struct gnet_stats_queue qstats;
- ...
-};
+Declare the statistic structs you need::
+
+ struct mystruct {
+ struct gnet_stats_basic bstats;
+ struct gnet_stats_queue qstats;
+ ...
+ };
+
+Update statistics, in dequeue() methods only, (while owning qdisc->running)::
-Update statistics, in dequeue() methods only, (while owning qdisc->running)
-mystruct->tstats.packet++;
-mystruct->qstats.backlog += skb->pkt_len;
+ mystruct->tstats.packet++;
+ mystruct->qstats.backlog += skb->pkt_len;
Export to userspace (Dump):
---------------------------
-my_dumping_routine(struct sk_buff *skb, ...)
-{
- struct gnet_dump dump;
+::
- if (gnet_stats_start_copy(skb, TCA_STATS2, &mystruct->lock, &dump,
- TCA_PAD) < 0)
- goto rtattr_failure;
+ my_dumping_routine(struct sk_buff *skb, ...)
+ {
+ struct gnet_dump dump;
- if (gnet_stats_copy_basic(&dump, &mystruct->bstats) < 0 ||
- gnet_stats_copy_queue(&dump, &mystruct->qstats) < 0 ||
- gnet_stats_copy_app(&dump, &xstats, sizeof(xstats)) < 0)
- goto rtattr_failure;
+ if (gnet_stats_start_copy(skb, TCA_STATS2, &mystruct->lock, &dump,
+ TCA_PAD) < 0)
+ goto rtattr_failure;
- if (gnet_stats_finish_copy(&dump) < 0)
- goto rtattr_failure;
- ...
-}
+ if (gnet_stats_copy_basic(&dump, &mystruct->bstats) < 0 ||
+ gnet_stats_copy_queue(&dump, &mystruct->qstats) < 0 ||
+ gnet_stats_copy_app(&dump, &xstats, sizeof(xstats)) < 0)
+ goto rtattr_failure;
+
+ if (gnet_stats_finish_copy(&dump) < 0)
+ goto rtattr_failure;
+ ...
+ }
TCA_STATS/TCA_XSTATS backward compatibility:
--------------------------------------------
Prior users of struct tc_stats and xstats can maintain backward
compatibility by calling the compat wrappers to keep providing the
-existing TLV types.
+existing TLV types::
-my_dumping_routine(struct sk_buff *skb, ...)
-{
- if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
- TCA_XSTATS, &mystruct->lock, &dump,
- TCA_PAD) < 0)
- goto rtattr_failure;
- ...
-}
+ my_dumping_routine(struct sk_buff *skb, ...)
+ {
+ if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
+ TCA_XSTATS, &mystruct->lock, &dump,
+ TCA_PAD) < 0)
+ goto rtattr_failure;
+ ...
+ }
A struct tc_stats will be filled out during gnet_stats_copy_* calls
and appended to the skb. TCA_XSTATS is provided if gnet_stats_copy_app
@@ -77,7 +86,7 @@ are responsible for making sure that the lock is initialized.
Rate Estimator:
---------------
+---------------
0) Prepare an estimator attribute. Most likely this would be in user
space. The value of this TLV should contain a tc_estimator structure.
@@ -92,18 +101,19 @@ Rate Estimator:
TCA_RATE to your code in the kernel.
In the kernel when setting up:
+
1) make sure you have basic stats and rate stats setup first.
2) make sure you have initialized stats lock that is used to setup such
stats.
-3) Now initialize a new estimator:
+3) Now initialize a new estimator::
- int ret = gen_new_estimator(my_basicstats,my_rate_est_stats,
- mystats_lock, attr_with_tcestimator_struct);
+ int ret = gen_new_estimator(my_basicstats,my_rate_est_stats,
+ mystats_lock, attr_with_tcestimator_struct);
- if ret == 0
- success
- else
- failed
+ if ret == 0
+ success
+ else
+ failed
From now on, every time you dump my_rate_est_stats it will contain
up-to-date info.
@@ -115,5 +125,5 @@ are still valid (i.e still exist) at the time of making this call.
Authors:
--------
-Thomas Graf <tgraf@suug.ch>
-Jamal Hadi Salim <hadi@cyberus.ca>
+- Thomas Graf <tgraf@suug.ch>
+- Jamal Hadi Salim <hadi@cyberus.ca>
diff --git a/Documentation/networking/generic-hdlc.txt b/Documentation/networking/generic-hdlc.rst
index 4eb3cc40b702..1c3bb5cb98d4 100644
--- a/Documentation/networking/generic-hdlc.txt
+++ b/Documentation/networking/generic-hdlc.rst
@@ -1,14 +1,22 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================
Generic HDLC layer
+==================
+
Krzysztof Halasa <khc@pm.waw.pl>
Generic HDLC layer currently supports:
+
1. Frame Relay (ANSI, CCITT, Cisco and no LMI)
+
- Normal (routed) and Ethernet-bridged (Ethernet device emulation)
interfaces can share a single PVC.
- ARP support (no InARP support in the kernel - there is an
experimental InARP user-space daemon available on:
http://www.kernel.org/pub/linux/utils/net/hdlc/).
+
2. raw HDLC - either IP (IPv4) interface or Ethernet device emulation
3. Cisco HDLC
4. PPP
@@ -24,19 +32,24 @@ with IEEE 802.1Q (VLANs) and 802.1D (Ethernet bridging).
Make sure the hdlc.o and the hardware driver are loaded. It should
create a number of "hdlc" (hdlc0 etc) network devices, one for each
WAN port. You'll need the "sethdlc" utility, get it from:
+
http://www.kernel.org/pub/linux/utils/net/hdlc/
-Compile sethdlc.c utility:
+Compile sethdlc.c utility::
+
gcc -O2 -Wall -o sethdlc sethdlc.c
+
Make sure you're using a correct version of sethdlc for your kernel.
Use sethdlc to set physical interface, clock rate, HDLC mode used,
and add any required PVCs if using Frame Relay.
-Usually you want something like:
+Usually you want something like::
sethdlc hdlc0 clock int rate 128000
sethdlc hdlc0 cisco interval 10 timeout 25
-or
+
+or::
+
sethdlc hdlc0 rs232 clock ext
sethdlc hdlc0 fr lmi ansi
sethdlc hdlc0 create 99
@@ -49,46 +62,63 @@ any IP address to it) before using pvc devices.
Setting interface:
-* v35 | rs232 | x21 | t1 | e1 - sets physical interface for a given port
- if the card has software-selectable interfaces
- loopback - activate hardware loopback (for testing only)
-* clock ext - both RX clock and TX clock external
-* clock int - both RX clock and TX clock internal
-* clock txint - RX clock external, TX clock internal
-* clock txfromrx - RX clock external, TX clock derived from RX clock
-* rate - sets clock rate in bps (for "int" or "txint" clock only)
+* v35 | rs232 | x21 | t1 | e1
+ - sets physical interface for a given port
+ if the card has software-selectable interfaces
+ loopback
+ - activate hardware loopback (for testing only)
+* clock ext
+ - both RX clock and TX clock external
+* clock int
+ - both RX clock and TX clock internal
+* clock txint
+ - RX clock external, TX clock internal
+* clock txfromrx
+ - RX clock external, TX clock derived from RX clock
+* rate
+ - sets clock rate in bps (for "int" or "txint" clock only)
Setting protocol:
* hdlc - sets raw HDLC (IP-only) mode
+
nrz / nrzi / fm-mark / fm-space / manchester - sets transmission code
+
no-parity / crc16 / crc16-pr0 (CRC16 with preset zeros) / crc32-itu
+
crc16-itu (CRC16 with ITU-T polynomial) / crc16-itu-pr0 - sets parity
* hdlc-eth - Ethernet device emulation using HDLC. Parity and encoding
as above.
* cisco - sets Cisco HDLC mode (IP, IPv6 and IPX supported)
+
interval - time in seconds between keepalive packets
+
timeout - time in seconds after last received keepalive packet before
- we assume the link is down
+ we assume the link is down
* ppp - sets synchronous PPP mode
* x25 - sets X.25 mode
* fr - Frame Relay mode
+
lmi ansi / ccitt / cisco / none - LMI (link management) type
+
dce - Frame Relay DCE (network) side LMI instead of default DTE (user).
+
It has nothing to do with clocks!
- t391 - link integrity verification polling timer (in seconds) - user
- t392 - polling verification timer (in seconds) - network
- n391 - full status polling counter - user
- n392 - error threshold - both user and network
- n393 - monitored events count - both user and network
+
+ - t391 - link integrity verification polling timer (in seconds) - user
+ - t392 - polling verification timer (in seconds) - network
+ - n391 - full status polling counter - user
+ - n392 - error threshold - both user and network
+ - n393 - monitored events count - both user and network
Frame-Relay only:
+
* create n | delete n - adds / deletes PVC interface with DLCI #n.
Newly created interface will be named pvc0, pvc1 etc.
@@ -101,26 +131,34 @@ Frame-Relay only:
Board-specific issues
---------------------
-n2.o and c101.o need parameters to work:
+n2.o and c101.o need parameters to work::
insmod n2 hw=io,irq,ram,ports[:io,irq,...]
-example:
+
+example::
+
insmod n2 hw=0x300,10,0xD0000,01
-or
+or::
+
insmod c101 hw=irq,ram[:irq,...]
-example:
+
+example::
+
insmod c101 hw=9,0xdc000
-If built into the kernel, these drivers need kernel (command line) parameters:
+If built into the kernel, these drivers need kernel (command line) parameters::
+
n2.hw=io,irq,ram,ports:...
-or
+
+or::
+
c101.hw=irq,ram:...
If you have a problem with N2, C101 or PLX200SYN card, you can issue the
-"private" command to see port's packet descriptor rings (in kernel logs):
+"private" command to see port's packet descriptor rings (in kernel logs)::
sethdlc hdlc0 private
diff --git a/Documentation/networking/generic_netlink.txt b/Documentation/networking/generic_netlink.rst
index 3e071115ca90..59e04ccf80c1 100644
--- a/Documentation/networking/generic_netlink.txt
+++ b/Documentation/networking/generic_netlink.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===============
+Generic Netlink
+===============
+
A wiki document on how to use Generic Netlink can be found here:
* http://www.linuxfoundation.org/collaborate/workgroups/networking/generic_netlink_howto
diff --git a/Documentation/networking/gtp.txt b/Documentation/networking/gtp.rst
index 6966bbec1ecb..1563fb94b289 100644
--- a/Documentation/networking/gtp.txt
+++ b/Documentation/networking/gtp.rst
@@ -1,12 +1,18 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================================
The Linux kernel GTP tunneling module
-======================================================================
-Documentation by Harald Welte <laforge@gnumonks.org> and
- Andreas Schultz <aschultz@tpip.net>
+=====================================
+
+Documentation by
+ Harald Welte <laforge@gnumonks.org> and
+ Andreas Schultz <aschultz@tpip.net>
In 'drivers/net/gtp.c' you are finding a kernel-level implementation
of a GTP tunnel endpoint.
-== What is GTP ==
+What is GTP
+===========
GTP is the Generic Tunnel Protocol, which is a 3GPP protocol used for
tunneling User-IP payload between a mobile station (phone, modem)
@@ -41,7 +47,8 @@ publicly via the 3GPP website at http://www.3gpp.org/DynaReport/29060.htm
A direct PDF link to v13.6.0 is provided for convenience below:
http://www.etsi.org/deliver/etsi_ts/129000_129099/129060/13.06.00_60/ts_129060v130600p.pdf
-== The Linux GTP tunnelling module ==
+The Linux GTP tunnelling module
+===============================
The module implements the function of a tunnel endpoint, i.e. it is
able to decapsulate tunneled IP packets in the uplink originated by
@@ -70,7 +77,8 @@ Userspace :)
The official homepage of the module is at
https://osmocom.org/projects/linux-kernel-gtp-u/wiki
-== Userspace Programs with Linux Kernel GTP-U support ==
+Userspace Programs with Linux Kernel GTP-U support
+==================================================
At the time of this writing, there are at least two Free Software
implementations that implement GTP-C and can use the netlink interface
@@ -82,7 +90,8 @@ to make use of the Linux kernel GTP-U support:
* ergw (GGSN + P-GW in Erlang):
https://github.com/travelping/ergw
-== Userspace Library / Command Line Utilities ==
+Userspace Library / Command Line Utilities
+==========================================
There is a userspace library called 'libgtpnl' which is based on
libmnl and which implements a C-language API towards the netlink
@@ -90,7 +99,8 @@ interface provided by the Kernel GTP module:
http://git.osmocom.org/libgtpnl/
-== Protocol Versions ==
+Protocol Versions
+=================
There are two different versions of GTP-U: v0 [GSM TS 09.60] and v1
[3GPP TS 29.281]. Both are implemented in the Kernel GTP module.
@@ -105,7 +115,8 @@ doesn't implement GTP-C, we don't have to worry about this. It's the
responsibility of the control plane implementation in userspace to
implement that.
-== IPv6 ==
+IPv6
+====
The 3GPP specifications indicate either IPv4 or IPv6 can be used both
on the inner (user) IP layer, or on the outer (transport) layer.
@@ -114,22 +125,25 @@ Unfortunately, the Kernel module currently supports IPv6 neither for
the User IP payload, nor for the outer IP layer. Patches or other
Contributions to fix this are most welcome!
-== Mailing List ==
+Mailing List
+============
-If yo have questions regarding how to use the Kernel GTP module from
+If you have questions regarding how to use the Kernel GTP module from
your own software, or want to contribute to the code, please use the
osmocom-net-grps mailing list for related discussion. The list can be
reached at osmocom-net-gprs@lists.osmocom.org and the mailman
interface for managing your subscription is at
https://lists.osmocom.org/mailman/listinfo/osmocom-net-gprs
-== Issue Tracker ==
+Issue Tracker
+=============
The Osmocom project maintains an issue tracker for the Kernel GTP-U
module at
https://osmocom.org/projects/linux-kernel-gtp-u/issues
-== History / Acknowledgements ==
+History / Acknowledgements
+==========================
The Module was originally created in 2012 by Harald Welte, but never
completed. Pablo came in to finish the mess Harald left behind. But
@@ -139,9 +153,11 @@ In 2015, Andreas Schultz came to the rescue and fixed lots more bugs,
extended it with new features and finally pushed all of us to get it
mainline, where it was merged in 4.7.0.
-== Architectural Details ==
+Architectural Details
+=====================
-=== Local GTP-U entity and tunnel identification ===
+Local GTP-U entity and tunnel identification
+--------------------------------------------
GTP-U uses UDP for transporting PDU's. The receiving UDP port is 2152
for GTPv1-U and 3386 for GTPv0-U.
@@ -164,15 +180,15 @@ Therefore:
destination IP and the tunnel endpoint id. The source IP and port
have no meaning and can change at any time.
-[3GPP TS 29.281] Section 4.3.0 defines this so:
+[3GPP TS 29.281] Section 4.3.0 defines this so::
-> The TEID in the GTP-U header is used to de-multiplex traffic
-> incoming from remote tunnel endpoints so that it is delivered to the
-> User plane entities in a way that allows multiplexing of different
-> users, different packet protocols and different QoS levels.
-> Therefore no two remote GTP-U endpoints shall send traffic to a
-> GTP-U protocol entity using the same TEID value except
-> for data forwarding as part of mobility procedures.
+ The TEID in the GTP-U header is used to de-multiplex traffic
+ incoming from remote tunnel endpoints so that it is delivered to the
+ User plane entities in a way that allows multiplexing of different
+ users, different packet protocols and different QoS levels.
+ Therefore no two remote GTP-U endpoints shall send traffic to a
+ GTP-U protocol entity using the same TEID value except
+ for data forwarding as part of mobility procedures.
The definition above only defines that two remote GTP-U endpoints
*should not* send to the same TEID, it *does not* forbid or exclude
@@ -183,7 +199,8 @@ multiple or unknown peers.
Therefore, the receiving side identifies tunnels exclusively based on
TEIDs, not based on the source IP!
-== APN vs. Network Device ==
+APN vs. Network Device
+======================
The GTP-U driver creates a Linux network device for each Gi/SGi
interface.
@@ -201,29 +218,33 @@ number of Gi/SGi interfaces implemented by a GGSN/P-GW.
[3GPP TS 29.061] Section 11.3 makes it clear that the selection of a
specific Gi/SGi interfaces is made through the Access Point Name
-(APN):
-
-> 2. each private network manages its own addressing. In general this
-> will result in different private networks having overlapping
-> address ranges. A logically separate connection (e.g. an IP in IP
-> tunnel or layer 2 virtual circuit) is used between the GGSN/P-GW
-> and each private network.
->
-> In this case the IP address alone is not necessarily unique. The
-> pair of values, Access Point Name (APN) and IPv4 address and/or
-> IPv6 prefixes, is unique.
+(APN)::
+
+ 2. each private network manages its own addressing. In general this
+ will result in different private networks having overlapping
+ address ranges. A logically separate connection (e.g. an IP in IP
+ tunnel or layer 2 virtual circuit) is used between the GGSN/P-GW
+ and each private network.
+
+ In this case the IP address alone is not necessarily unique. The
+ pair of values, Access Point Name (APN) and IPv4 address and/or
+ IPv6 prefixes, is unique.
In order to support the overlapping address range use case, each APN
is mapped to a separate Gi/SGi interface (network device).
-NOTE: The Access Point Name is purely a control plane (GTP-C) concept.
-At the GTP-U level, only Tunnel Endpoint Identifiers are present in
-GTP-U packets and network devices are known
+.. note::
+
+ The Access Point Name is purely a control plane (GTP-C) concept.
+ At the GTP-U level, only Tunnel Endpoint Identifiers are present in
+ GTP-U packets and network devices are known
Therefore for a given UE the mapping in IP to PDN network is:
+
* network device + MS IP -> Peer IP + Peer TEID,
and from PDN to IP network:
+
* local GTP-U IP + TEID -> network device
Furthermore, before a received T-PDU is injected into the network
diff --git a/Documentation/networking/hinic.txt b/Documentation/networking/hinic.rst
index 989366a4039c..867ac8f4e04a 100644
--- a/Documentation/networking/hinic.txt
+++ b/Documentation/networking/hinic.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================================
Linux Kernel Driver for Huawei Intelligent NIC(HiNIC) family
============================================================
@@ -110,7 +113,7 @@ hinic_dev - de/constructs the Logical Tx and Rx Queues.
(hinic_main.c, hinic_dev.h)
-Miscellaneous:
+Miscellaneous
=============
Common functions that are used by HW and Logical Device.
diff --git a/Documentation/networking/ila.txt b/Documentation/networking/ila.rst
index a17dac9dc915..5ac0a6270b17 100644
--- a/Documentation/networking/ila.txt
+++ b/Documentation/networking/ila.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
Identifier Locator Addressing (ILA)
+===================================
Introduction
@@ -26,11 +30,13 @@ The ILA protocol is described in Internet-Draft draft-herbert-intarea-ila.
ILA terminology
===============
- - Identifier A number that identifies an addressable node in the network
+ - Identifier
+ A number that identifies an addressable node in the network
independent of its location. ILA identifiers are sixty-four
bit values.
- - Locator A network prefix that routes to a physical host. Locators
+ - Locator
+ A network prefix that routes to a physical host. Locators
provide the topological location of an addressed node. ILA
locators are sixty-four bit prefixes.
@@ -51,17 +57,20 @@ ILA terminology
bits) and an identifier (low order sixty-four bits). ILA
addresses are never visible to an application.
- - ILA host An end host that is capable of performing ILA translations
+ - ILA host
+ An end host that is capable of performing ILA translations
on transmit or receive.
- - ILA router A network node that performs ILA translation and forwarding
+ - ILA router
+ A network node that performs ILA translation and forwarding
of translated packets.
- ILA forwarding cache
A type of ILA router that only maintains a working set
cache of mappings.
- - ILA node A network node capable of performing ILA translations. This
+ - ILA node
+ A network node capable of performing ILA translations. This
can be an ILA router, ILA forwarding cache, or ILA host.
@@ -82,18 +91,18 @@ Configuration and datapath for these two points of deployment is somewhat
different.
The diagram below illustrates the flow of packets through ILA as well
-as showing ILA hosts and routers.
+as showing ILA hosts and routers::
+--------+ +--------+
| Host A +-+ +--->| Host B |
| | | (2) ILA (') | |
+--------+ | ...addressed.... ( ) +--------+
- V +---+--+ . packet . +---+--+ (_)
+ V +---+--+ . packet . +---+--+ (_)
(1) SIR | | ILA |----->-------->---->| ILA | | (3) SIR
addressed +->|router| . . |router|->-+ addressed
packet +---+--+ . IPv6 . +---+--+ packet
- / . Network .
- / . . +--+-++--------+
+ / . Network .
+ / . . +--+-++--------+
+--------+ / . . |ILA || Host |
| Host +--+ . .- -|host|| |
| | . . +--+-++--------+
@@ -173,7 +182,7 @@ ILA address, never a SIR address.
In the simplest format the identifier types, C-bit, and checksum
adjustment value are not present so an identifier is considered an
-unstructured sixty-four bit value.
+unstructured sixty-four bit value::
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Identifier |
@@ -184,7 +193,7 @@ unstructured sixty-four bit value.
The checksum neutral adjustment may be configured to always be
present using neutral-map-auto. In this case there is no C-bit, but the
checksum adjustment is in the low order 16 bits. The identifier is
-still sixty-four bits.
+still sixty-four bits::
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Identifier |
@@ -193,7 +202,7 @@ still sixty-four bits.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
The C-bit may used to explicitly indicate that checksum neutral
-mapping has been applied to an ILA address. The format is:
+mapping has been applied to an ILA address. The format is::
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| |C| Identifier |
@@ -204,7 +213,7 @@ mapping has been applied to an ILA address. The format is:
The identifier type field may be present to indicate the identifier
type. If it is not present then the type is inferred based on mapping
configuration. The checksum neutral adjustment may automatically
-used with the identifier type as illustrated below.
+used with the identifier type as illustrated below::
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type| Identifier |
@@ -213,7 +222,7 @@ used with the identifier type as illustrated below.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
If the identifier type and the C-bit can be present simultaneously so
-the identifier format would be:
+the identifier format would be::
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type|C| Identifier |
@@ -258,28 +267,30 @@ same meanings as described above.
Some examples
=============
-# Configure an ILA route that uses checksum neutral mapping as well
-# as type field. Note that the type field is set in the SIR address
-# (the 2000 implies type is 1 which is LUID).
-ip route add 3333:0:0:1:2000:0:1:87/128 encap ila 2001:0:87:0 \
- csum-mode neutral-map ident-type use-format
-
-# Configure an ILA LWT route that uses auto checksum neutral mapping
-# (no C-bit) and configure identifier type to be LUID so that the
-# identifier type field will not be present.
-ip route add 3333:0:0:1:2000:0:2:87/128 encap ila 2001:0:87:1 \
- csum-mode neutral-map-auto ident-type luid
-
-ila_xlat configuration
-
-# Configure an ILA to SIR mapping that matches a locator and overwrites
-# it with a SIR address (3333:0:0:1 in this example). The C-bit and
-# identifier field are used.
-ip ila add loc_match 2001:0:119:0 loc 3333:0:0:1 \
- csum-mode neutral-map-auto ident-type use-format
-
-# Configure an ILA to SIR mapping where checksum neutral is automatically
-# set without the C-bit and the identifier type is configured to be LUID
-# so that the identifier type field is not present.
-ip ila add loc_match 2001:0:119:0 loc 3333:0:0:1 \
- csum-mode neutral-map-auto ident-type use-format
+::
+
+ # Configure an ILA route that uses checksum neutral mapping as well
+ # as type field. Note that the type field is set in the SIR address
+ # (the 2000 implies type is 1 which is LUID).
+ ip route add 3333:0:0:1:2000:0:1:87/128 encap ila 2001:0:87:0 \
+ csum-mode neutral-map ident-type use-format
+
+ # Configure an ILA LWT route that uses auto checksum neutral mapping
+ # (no C-bit) and configure identifier type to be LUID so that the
+ # identifier type field will not be present.
+ ip route add 3333:0:0:1:2000:0:2:87/128 encap ila 2001:0:87:1 \
+ csum-mode neutral-map-auto ident-type luid
+
+ ila_xlat configuration
+
+ # Configure an ILA to SIR mapping that matches a locator and overwrites
+ # it with a SIR address (3333:0:0:1 in this example). The C-bit and
+ # identifier field are used.
+ ip ila add loc_match 2001:0:119:0 loc 3333:0:0:1 \
+ csum-mode neutral-map-auto ident-type use-format
+
+ # Configure an ILA to SIR mapping where checksum neutral is automatically
+ # set without the C-bit and the identifier type is configured to be LUID
+ # so that the identifier type field is not present.
+ ip ila add loc_match 2001:0:119:0 loc 3333:0:0:1 \
+ csum-mode neutral-map-auto ident-type use-format
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index 6538ede29661..0186e276690a 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -15,6 +15,7 @@ Contents:
device_drivers/index
dsa/index
devlink/index
+ caif/index
ethtool-netlink
ieee802154
j1939
@@ -24,6 +25,7 @@ Contents:
failover
net_dim
net_failover
+ page_pool
phy
sfp-phylink
alias
@@ -36,6 +38,91 @@ Contents:
tls-offload
nfc
6lowpan
+ 6pack
+ altera_tse
+ arcnet-hardware
+ arcnet
+ atm
+ ax25
+ baycom
+ bonding
+ cdc_mbim
+ cops
+ cxacru
+ dccp
+ dctcp
+ decnet
+ defza
+ dns_resolver
+ driver
+ eql
+ fib_trie
+ filter
+ fore200e
+ framerelay
+ generic-hdlc
+ generic_netlink
+ gen_stats
+ gtp
+ hinic
+ ila
+ ipddp
+ ip_dynaddr
+ iphase
+ ipsec
+ ip-sysctl
+ ipv6
+ ipvlan
+ ipvs-sysctl
+ kcm
+ l2tp
+ lapb-module
+ ltpc
+ mac80211-injection
+ mpls-sysctl
+ multiqueue
+ netconsole
+ netdev-features
+ netdevices
+ netfilter-sysctl
+ netif-msg
+ nf_conntrack-sysctl
+ nf_flowtable
+ openvswitch
+ operstates
+ packet_mmap
+ phonet
+ pktgen
+ plip
+ ppp_generic
+ proc_net_tcp
+ radiotap-headers
+ ray_cs
+ rds
+ regulatory
+ rxrpc
+ sctp
+ secid
+ seg6-sysctl
+ skfp
+ strparser
+ switchdev
+ tc-actions-env-rules
+ tcp-thin
+ team
+ timestamping
+ tproxy
+ tuntap
+ udplite
+ vrf
+ vxlan
+ x25-iface
+ x25
+ xfrm_device
+ xfrm_proc
+ xfrm_sync
+ xfrm_sysctl
+ z8530drv
.. only:: subproject and html
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.rst
index 6fcfd313dbe4..b72f89d5694c 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.rst
@@ -1,8 +1,15 @@
-/proc/sys/net/ipv4/* Variables:
+.. SPDX-License-Identifier: GPL-2.0
+
+=========
+IP Sysctl
+=========
+
+/proc/sys/net/ipv4/* Variables
+==============================
ip_forward - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
Forward Packets between interfaces.
@@ -38,6 +45,7 @@ ip_no_pmtu_disc - INTEGER
could break other protocols.
Possible values: 0-3
+
Default: FALSE
min_pmtu - INTEGER
@@ -51,16 +59,20 @@ ip_forward_use_pmtu - BOOLEAN
which tries to discover path mtus by itself and depends on the
kernel honoring this information. This is normally not the
case.
+
Default: 0 (disabled)
+
Possible values:
- 0 - disabled
- 1 - enabled
+
+ - 0 - disabled
+ - 1 - enabled
fwmark_reflect - BOOLEAN
Controls the fwmark of kernel-generated IPv4 reply packets that are not
associated with a socket for example, TCP RSTs or ICMP echo replies).
If unset, these packets have a fwmark of zero. If set, they have the
fwmark of the packet they are replying to.
+
Default: 0
fib_multipath_use_neigh - BOOLEAN
@@ -68,63 +80,80 @@ fib_multipath_use_neigh - BOOLEAN
multipath routes. If disabled, neighbor information is not used and
packets could be directed to a failed nexthop. Only valid for kernels
built with CONFIG_IP_ROUTE_MULTIPATH enabled.
+
Default: 0 (disabled)
+
Possible values:
- 0 - disabled
- 1 - enabled
+
+ - 0 - disabled
+ - 1 - enabled
fib_multipath_hash_policy - INTEGER
Controls which hash policy to use for multipath routes. Only valid
for kernels built with CONFIG_IP_ROUTE_MULTIPATH enabled.
+
Default: 0 (Layer 3)
+
Possible values:
- 0 - Layer 3
- 1 - Layer 4
- 2 - Layer 3 or inner Layer 3 if present
+
+ - 0 - Layer 3
+ - 1 - Layer 4
+ - 2 - Layer 3 or inner Layer 3 if present
fib_sync_mem - UNSIGNED INTEGER
Amount of dirty memory from fib entries that can be backlogged before
synchronize_rcu is forced.
- Default: 512kB Minimum: 64kB Maximum: 64MB
+
+ Default: 512kB Minimum: 64kB Maximum: 64MB
ip_forward_update_priority - INTEGER
Whether to update SKB priority from "TOS" field in IPv4 header after it
is forwarded. The new SKB priority is mapped from TOS field value
according to an rt_tos2priority table (see e.g. man tc-prio).
+
Default: 1 (Update priority.)
+
Possible values:
- 0 - Do not update priority.
- 1 - Update priority.
+
+ - 0 - Do not update priority.
+ - 1 - Update priority.
route/max_size - INTEGER
Maximum number of routes allowed in the kernel. Increase
this when using large numbers of interfaces and/or routes.
+
From linux kernel 3.6 onwards, this is deprecated for ipv4
as route cache is no longer used.
neigh/default/gc_thresh1 - INTEGER
Minimum number of entries to keep. Garbage collector will not
purge entries if there are fewer than this number.
+
Default: 128
neigh/default/gc_thresh2 - INTEGER
Threshold when garbage collector becomes more aggressive about
purging entries. Entries older than 5 seconds will be cleared
when over this number.
+
Default: 512
neigh/default/gc_thresh3 - INTEGER
Maximum number of non-PERMANENT neighbor entries allowed. Increase
this when using large numbers of interfaces and when communicating
with large numbers of directly-connected peers.
+
Default: 1024
neigh/default/unres_qlen_bytes - INTEGER
The maximum number of bytes which may be used by packets
queued for each unresolved address by other network layers.
(added in linux 3.3)
+
Setting negative value is meaningless and will return error.
+
Default: SK_WMEM_MAX, (same as net.core.wmem_default).
+
Exact value depends on architecture and kernel options,
but should be enough to allow queuing 256 packets
of medium size.
@@ -132,11 +161,14 @@ neigh/default/unres_qlen_bytes - INTEGER
neigh/default/unres_qlen - INTEGER
The maximum number of packets which may be queued for each
unresolved address by other network layers.
+
(deprecated in linux 3.3) : use unres_qlen_bytes instead.
+
Prior to linux 3.3, the default value is 3 which may cause
unexpected packet loss. The current default value is calculated
according to default value of unres_qlen_bytes and true size of
packet.
+
Default: 101
mtu_expires - INTEGER
@@ -183,7 +215,8 @@ ipfrag_max_dist - INTEGER
from different IP datagrams, which could result in data corruption.
Default: 64
-INET peer storage:
+INET peer storage
+=================
inet_peer_threshold - INTEGER
The approximate size of the storage. Starting from this threshold
@@ -203,7 +236,8 @@ inet_peer_maxttl - INTEGER
when the number of entries in the pool is very small).
Measured in seconds.
-TCP variables:
+TCP variables
+=============
somaxconn - INTEGER
Limit of socket listen() backlog, known in userspace as SOMAXCONN.
@@ -222,18 +256,22 @@ tcp_adv_win_scale - INTEGER
Count buffering overhead as bytes/2^tcp_adv_win_scale
(if tcp_adv_win_scale > 0) or bytes-bytes/2^(-tcp_adv_win_scale),
if it is <= 0.
+
Possible values are [-31, 31], inclusive.
+
Default: 1
tcp_allowed_congestion_control - STRING
Show/set the congestion control choices available to non-privileged
processes. The list is a subset of those listed in
tcp_available_congestion_control.
+
Default is "reno" and the default setting (tcp_congestion_control).
tcp_app_win - INTEGER
Reserve max(window/2^tcp_app_win, mss) of window for application
buffer. Value 0 is special, it means that nothing is reserved.
+
Default: 31
tcp_autocorking - BOOLEAN
@@ -244,6 +282,7 @@ tcp_autocorking - BOOLEAN
packet for the flow is waiting in Qdisc queues or device transmit
queue. Applications can still use TCP_CORK for optimal behavior
when they know how/when to uncork their sockets.
+
Default : 1
tcp_available_congestion_control - STRING
@@ -265,6 +304,7 @@ tcp_mtu_probe_floor - INTEGER
tcp_min_snd_mss - INTEGER
TCP SYN and SYNACK messages usually advertise an ADVMSS option,
as described in RFC 1122 and RFC 6691.
+
If this ADVMSS option is smaller than tcp_min_snd_mss,
it is silently capped to tcp_min_snd_mss.
@@ -277,6 +317,7 @@ tcp_congestion_control - STRING
Default is set as part of kernel configuration.
For passive connections, the listener congestion control choice
is inherited.
+
[see setsockopt(listenfd, SOL_TCP, TCP_CONGESTION, "name" ...) ]
tcp_dsack - BOOLEAN
@@ -286,9 +327,12 @@ tcp_early_retrans - INTEGER
Tail loss probe (TLP) converts RTOs occurring due to tail
losses into fast recovery (draft-ietf-tcpm-rack). Note that
TLP requires RACK to function properly (see tcp_recovery below)
+
Possible values:
- 0 disables TLP
- 3 or 4 enables TLP
+
+ - 0 disables TLP
+ - 3 or 4 enables TLP
+
Default: 3
tcp_ecn - INTEGER
@@ -297,12 +341,17 @@ tcp_ecn - INTEGER
support for it. This feature is useful in avoiding losses due
to congestion by allowing supporting routers to signal
congestion before having to drop packets.
+
Possible values are:
- 0 Disable ECN. Neither initiate nor accept ECN.
- 1 Enable ECN when requested by incoming connections and
- also request ECN on outgoing connection attempts.
- 2 Enable ECN when requested by incoming connections
- but do not request ECN on outgoing connections.
+
+ = =====================================================
+ 0 Disable ECN. Neither initiate nor accept ECN.
+ 1 Enable ECN when requested by incoming connections and
+ also request ECN on outgoing connection attempts.
+ 2 Enable ECN when requested by incoming connections
+ but do not request ECN on outgoing connections.
+ = =====================================================
+
Default: 2
tcp_ecn_fallback - BOOLEAN
@@ -312,6 +361,7 @@ tcp_ecn_fallback - BOOLEAN
additional detection mechanisms could be implemented under this
knob. The value is not used, if tcp_ecn or per route (or congestion
control) ECN settings are disabled.
+
Default: 1 (fallback enabled)
tcp_fack - BOOLEAN
@@ -324,7 +374,9 @@ tcp_fin_timeout - INTEGER
valid "receive only" state for an un-orphaned connection, an
orphaned connection in FIN_WAIT_2 state could otherwise wait
forever for the remote to close its end of the connection.
+
Cf. tcp_max_orphans
+
Default: 60 seconds
tcp_frto - INTEGER
@@ -390,7 +442,8 @@ tcp_l3mdev_accept - BOOLEAN
derived from the listen socket to be bound to the L3 domain in
which the packets originated. Only valid when the kernel was
compiled with CONFIG_NET_L3_MASTER_DEV.
- Default: 0 (disabled)
+
+ Default: 0 (disabled)
tcp_low_latency - BOOLEAN
This is a legacy option, it has no effect anymore.
@@ -410,10 +463,14 @@ tcp_max_orphans - INTEGER
tcp_max_syn_backlog - INTEGER
Maximal number of remembered connection requests (SYN_RECV),
which have not received an acknowledgment from connecting client.
+
This is a per-listener limit.
+
The minimal value is 128 for low memory machines, and it will
increase in proportion to the memory of machine.
+
If server suffers from overload, try increasing this number.
+
Remember to also check /proc/sys/net/core/somaxconn
A SYN_RECV request socket consumes about 304 bytes of memory.
@@ -445,7 +502,9 @@ tcp_min_rtt_wlen - INTEGER
minimum RTT when it is moved to a longer path (e.g., due to traffic
engineering). A longer window makes the filter more resistant to RTT
inflations such as transient congestion. The unit is seconds.
+
Possible values: 0 - 86400 (1 day)
+
Default: 300
tcp_moderate_rcvbuf - BOOLEAN
@@ -457,9 +516,10 @@ tcp_moderate_rcvbuf - BOOLEAN
tcp_mtu_probing - INTEGER
Controls TCP Packetization-Layer Path MTU Discovery. Takes three
values:
- 0 - Disabled
- 1 - Disabled by default, enabled when an ICMP black hole detected
- 2 - Always enabled, use initial MSS of tcp_base_mss.
+
+ - 0 - Disabled
+ - 1 - Disabled by default, enabled when an ICMP black hole detected
+ - 2 - Always enabled, use initial MSS of tcp_base_mss.
tcp_probe_interval - UNSIGNED INTEGER
Controls how often to start TCP Packetization-Layer Path MTU
@@ -481,6 +541,7 @@ tcp_no_metrics_save - BOOLEAN
tcp_no_ssthresh_metrics_save - BOOLEAN
Controls whether TCP saves ssthresh metrics in the route cache.
+
Default is 1, which disables ssthresh metrics.
tcp_orphan_retries - INTEGER
@@ -489,6 +550,7 @@ tcp_orphan_retries - INTEGER
See tcp_retries2 for more details.
The default value is 8.
+
If your machine is a loaded WEB server,
you should think about lowering this value, such sockets
may consume significant resources. Cf. tcp_max_orphans.
@@ -497,11 +559,15 @@ tcp_recovery - INTEGER
This value is a bitmap to enable various experimental loss recovery
features.
- RACK: 0x1 enables the RACK loss detection for fast detection of lost
- retransmissions and tail drops. It also subsumes and disables
- RFC6675 recovery for SACK connections.
- RACK: 0x2 makes RACK's reordering window static (min_rtt/4).
- RACK: 0x4 disables RACK's DUPACK threshold heuristic
+ ========= =============================================================
+ RACK: 0x1 enables the RACK loss detection for fast detection of lost
+ retransmissions and tail drops. It also subsumes and disables
+ RFC6675 recovery for SACK connections.
+
+ RACK: 0x2 makes RACK's reordering window static (min_rtt/4).
+
+ RACK: 0x4 disables RACK's DUPACK threshold heuristic
+ ========= =============================================================
Default: 0x1
@@ -509,12 +575,14 @@ tcp_reordering - INTEGER
Initial reordering level of packets in a TCP stream.
TCP stack can then dynamically adjust flow reordering level
between this initial value and tcp_max_reordering
+
Default: 3
tcp_max_reordering - INTEGER
Maximal reordering level of packets in a TCP stream.
300 is a fairly conservative value, but you might increase it
if paths are using per packet load balancing (like bonding rr mode)
+
Default: 300
tcp_retrans_collapse - BOOLEAN
@@ -550,12 +618,14 @@ tcp_rfc1337 - BOOLEAN
If set, the TCP stack behaves conforming to RFC1337. If unset,
we are not conforming to RFC, but prevent TCP TIME_WAIT
assassination.
+
Default: 0
tcp_rmem - vector of 3 INTEGERs: min, default, max
min: Minimal size of receive buffer used by TCP sockets.
It is guaranteed to each TCP socket, even under moderate memory
pressure.
+
Default: 4K
default: initial size of receive buffer used by TCP sockets.
@@ -581,6 +651,14 @@ tcp_comp_sack_delay_ns - LONG INTEGER
Default : 1,000,000 ns (1 ms)
+tcp_comp_sack_slack_ns - LONG INTEGER
+ This sysctl control the slack used when arming the
+ timer used by SACK compression. This gives extra time
+ for small RTT flows, and reduces system overhead by allowing
+ opportunistic reduction of timer interrupts.
+
+ Default : 100,000 ns (100 us)
+
tcp_comp_sack_nr - INTEGER
Max number of SACK that can be compressed.
Using 0 disables SACK compression.
@@ -592,12 +670,14 @@ tcp_slow_start_after_idle - BOOLEAN
window after an idle period. An idle period is defined at
the current RTO. If unset, the congestion window will not
be timed out after an idle period.
+
Default: 1
tcp_stdurg - BOOLEAN
Use the Host requirements interpretation of the TCP urgent pointer field.
Most hosts use the older BSD interpretation, so if you turn this on
Linux might not communicate correctly with them.
+
Default: FALSE
tcp_synack_retries - INTEGER
@@ -646,15 +726,18 @@ tcp_fastopen - INTEGER
the option value being the length of the syn-data backlog.
The values (bitmap) are
- 0x1: (client) enables sending data in the opening SYN on the client.
- 0x2: (server) enables the server support, i.e., allowing data in
+
+ ===== ======== ======================================================
+ 0x1 (client) enables sending data in the opening SYN on the client.
+ 0x2 (server) enables the server support, i.e., allowing data in
a SYN packet to be accepted and passed to the
application before 3-way handshake finishes.
- 0x4: (client) send data in the opening SYN regardless of cookie
+ 0x4 (client) send data in the opening SYN regardless of cookie
availability and without a cookie option.
- 0x200: (server) accept data-in-SYN w/o any cookie option present.
- 0x400: (server) enable all listeners to support Fast Open by
+ 0x200 (server) accept data-in-SYN w/o any cookie option present.
+ 0x400 (server) enable all listeners to support Fast Open by
default without explicit TCP_FASTOPEN socket option.
+ ===== ======== ======================================================
Default: 0x1
@@ -668,6 +751,7 @@ tcp_fastopen_blackhole_timeout_sec - INTEGER
get detected right after Fastopen is re-enabled and will reset to
initial value when the blackhole issue goes away.
0 to disable the blackhole detection.
+
By default, it is set to 1hr.
tcp_fastopen_key - list of comma separated 32-digit hexadecimal INTEGERs
@@ -698,20 +782,24 @@ tcp_syn_retries - INTEGER
for an active TCP connection attempt will happen after 127seconds.
tcp_timestamps - INTEGER
-Enable timestamps as defined in RFC1323.
- 0: Disabled.
- 1: Enable timestamps as defined in RFC1323 and use random offset for
- each connection rather than only using the current time.
- 2: Like 1, but without random offsets.
+ Enable timestamps as defined in RFC1323.
+
+ - 0: Disabled.
+ - 1: Enable timestamps as defined in RFC1323 and use random offset for
+ each connection rather than only using the current time.
+ - 2: Like 1, but without random offsets.
+
Default: 1
tcp_min_tso_segs - INTEGER
Minimal number of segments per TSO frame.
+
Since linux-3.12, TCP does an automatic sizing of TSO frames,
depending on flow rate, instead of filling 64Kbytes packets.
For specific usages, it's possible to force TCP to build big
TSO frames. Note that TCP stack might split too big TSO packets
if available window is too small.
+
Default: 2
tcp_pacing_ss_ratio - INTEGER
@@ -720,6 +808,7 @@ tcp_pacing_ss_ratio - INTEGER
If TCP is in slow start, tcp_pacing_ss_ratio is applied
to let TCP probe for bigger speeds, assuming cwnd can be
doubled every other RTT.
+
Default: 200
tcp_pacing_ca_ratio - INTEGER
@@ -727,6 +816,7 @@ tcp_pacing_ca_ratio - INTEGER
to current rate. (current_rate = cwnd * mss / srtt)
If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
is applied to conservatively probe for bigger throughput.
+
Default: 120
tcp_tso_win_divisor - INTEGER
@@ -734,16 +824,20 @@ tcp_tso_win_divisor - INTEGER
can be consumed by a single TSO frame.
The setting of this parameter is a choice between burstiness and
building larger TSO frames.
+
Default: 3
tcp_tw_reuse - INTEGER
Enable reuse of TIME-WAIT sockets for new connections when it is
safe from protocol viewpoint.
- 0 - disable
- 1 - global enable
- 2 - enable for loopback traffic only
+
+ - 0 - disable
+ - 1 - global enable
+ - 2 - enable for loopback traffic only
+
It should not be changed without advice/request of technical
experts.
+
Default: 2
tcp_window_scaling - BOOLEAN
@@ -752,11 +846,14 @@ tcp_window_scaling - BOOLEAN
tcp_wmem - vector of 3 INTEGERs: min, default, max
min: Amount of memory reserved for send buffers for TCP sockets.
Each TCP socket has rights to use it due to fact of its birth.
+
Default: 4K
default: initial size of send buffer used by TCP sockets. This
value overrides net.core.wmem_default used by other protocols.
+
It is usually lower than net.core.wmem_default.
+
Default: 16K
max: Maximal amount of memory allowed for automatically tuned
@@ -764,6 +861,7 @@ tcp_wmem - vector of 3 INTEGERs: min, default, max
net.core.wmem_max. Calling setsockopt() with SO_SNDBUF disables
automatic tuning of that socket's send buffer size, in which case
this value is ignored.
+
Default: between 64K and 4MB, depending on RAM size.
tcp_notsent_lowat - UNSIGNED INTEGER
@@ -784,6 +882,7 @@ tcp_workaround_signed_windows - BOOLEAN
remote TCP is broken and treats the window as a signed quantity.
If unset, assume the remote TCP is not broken even if we do
not receive a window scaling option from them.
+
Default: 0
tcp_thin_linear_timeouts - BOOLEAN
@@ -795,7 +894,8 @@ tcp_thin_linear_timeouts - BOOLEAN
initiated. This improves retransmission latency for
non-aggressive thin streams, often found to be time-dependent.
For more information on thin streams, see
- Documentation/networking/tcp-thin.txt
+ Documentation/networking/tcp-thin.rst
+
Default: 0
tcp_limit_output_bytes - INTEGER
@@ -807,6 +907,7 @@ tcp_limit_output_bytes - INTEGER
flows, for typical pfifo_fast qdiscs. tcp_limit_output_bytes
limits the number of bytes on qdisc or device to reduce artificial
RTT/cwnd and reduce bufferbloat.
+
Default: 1048576 (16 * 65536)
tcp_challenge_ack_limit - INTEGER
@@ -822,7 +923,8 @@ tcp_rx_skb_cache - BOOLEAN
Default: 0 (disabled)
-UDP variables:
+UDP variables
+=============
udp_l3mdev_accept - BOOLEAN
Enabling this option allows a "global" bound socket to work
@@ -830,7 +932,8 @@ udp_l3mdev_accept - BOOLEAN
being received regardless of the L3 domain in which they
originated. Only valid when the kernel was compiled with
CONFIG_NET_L3_MASTER_DEV.
- Default: 0 (disabled)
+
+ Default: 0 (disabled)
udp_mem - vector of 3 INTEGERs: min, pressure, max
Number of pages allowed for queueing by all UDP sockets.
@@ -849,15 +952,18 @@ udp_rmem_min - INTEGER
Minimal size of receive buffer used by UDP sockets in moderation.
Each UDP socket is able to use the size for receiving data, even if
total pages of UDP sockets exceed udp_mem pressure. The unit is byte.
+
Default: 4K
udp_wmem_min - INTEGER
Minimal size of send buffer used by UDP sockets in moderation.
Each UDP socket is able to use the size for sending data, even if
total pages of UDP sockets exceed udp_mem pressure. The unit is byte.
+
Default: 4K
-RAW variables:
+RAW variables
+=============
raw_l3mdev_accept - BOOLEAN
Enabling this option allows a "global" bound socket to work
@@ -865,9 +971,11 @@ raw_l3mdev_accept - BOOLEAN
being received regardless of the L3 domain in which they
originated. Only valid when the kernel was compiled with
CONFIG_NET_L3_MASTER_DEV.
+
Default: 1 (enabled)
-CIPSOv4 Variables:
+CIPSOv4 Variables
+=================
cipso_cache_enable - BOOLEAN
If set, enable additions to and lookups from the CIPSO label mapping
@@ -875,6 +983,7 @@ cipso_cache_enable - BOOLEAN
miss. However, regardless of the setting the cache is still
invalidated when required when means you can safely toggle this on and
off and the cache will always be "safe".
+
Default: 1
cipso_cache_bucket_size - INTEGER
@@ -884,6 +993,7 @@ cipso_cache_bucket_size - INTEGER
more CIPSO label mappings that can be cached. When the number of
entries in a given hash bucket reaches this limit adding new entries
causes the oldest entry in the bucket to be removed to make room.
+
Default: 10
cipso_rbm_optfmt - BOOLEAN
@@ -891,6 +1001,7 @@ cipso_rbm_optfmt - BOOLEAN
the CIPSO draft specification (see Documentation/netlabel for details).
This means that when set the CIPSO tag will be padded with empty
categories in order to make the packet data 32-bit aligned.
+
Default: 0
cipso_rbm_structvalid - BOOLEAN
@@ -900,9 +1011,11 @@ cipso_rbm_structvalid - BOOLEAN
where in the CIPSO processing code but setting this to 0 (False) should
result in less work (i.e. it should be faster) but could cause problems
with other implementations that require strict checking.
+
Default: 0
-IP Variables:
+IP Variables
+============
ip_local_port_range - 2 INTEGERS
Defines the local port range that is used by TCP and UDP to
@@ -931,12 +1044,12 @@ ip_local_reserved_ports - list of comma separated ranges
assignments.
You can reserve ports which are not in the current
- ip_local_port_range, e.g.:
+ ip_local_port_range, e.g.::
- $ cat /proc/sys/net/ipv4/ip_local_port_range
- 32000 60999
- $ cat /proc/sys/net/ipv4/ip_local_reserved_ports
- 8080,9148
+ $ cat /proc/sys/net/ipv4/ip_local_port_range
+ 32000 60999
+ $ cat /proc/sys/net/ipv4/ip_local_reserved_ports
+ 8080,9148
although this is redundant. However such a setting is useful
if later the port range is changed to a value that will
@@ -956,6 +1069,7 @@ ip_unprivileged_port_start - INTEGER
ip_nonlocal_bind - BOOLEAN
If set, allows processes to bind() to non-local IP addresses,
which can be quite useful - but may break some applications.
+
Default: 0
ip_autobind_reuse - BOOLEAN
@@ -972,6 +1086,7 @@ ip_dynaddr - BOOLEAN
If set to a non-zero value larger than 1, a kernel log
message will be printed when dynamic address rewriting
occurs.
+
Default: 0
ip_early_demux - BOOLEAN
@@ -981,25 +1096,37 @@ ip_early_demux - BOOLEAN
It may add an additional cost for pure routing workloads that
reduces overall throughput, in such case you should disable it.
+
Default: 1
+ping_group_range - 2 INTEGERS
+ Restrict ICMP_PROTO datagram sockets to users in the group range.
+ The default is "1 0", meaning, that nobody (not even root) may
+ create ping sockets. Setting it to "100 100" would grant permissions
+ to the single group. "0 4294967295" would enable it for the world, "100
+ 4294967295" would enable it for the users, but not daemons.
+
tcp_early_demux - BOOLEAN
Enable early demux for established TCP sockets.
+
Default: 1
udp_early_demux - BOOLEAN
Enable early demux for connected UDP sockets. Disable this if
your system could experience more unconnected load.
+
Default: 1
icmp_echo_ignore_all - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO
requests sent to it.
+
Default: 0
icmp_echo_ignore_broadcasts - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO and
TIMESTAMP requests sent to it via broadcast/multicast.
+
Default: 1
icmp_ratelimit - INTEGER
@@ -1009,46 +1136,55 @@ icmp_ratelimit - INTEGER
otherwise the minimal space between responses in milliseconds.
Note that another sysctl, icmp_msgs_per_sec limits the number
of ICMP packets sent on all targets.
+
Default: 1000
icmp_msgs_per_sec - INTEGER
Limit maximal number of ICMP packets sent per second from this host.
Only messages whose type matches icmp_ratemask (see below) are
controlled by this limit.
+
Default: 1000
icmp_msgs_burst - INTEGER
icmp_msgs_per_sec controls number of ICMP packets sent per second,
while icmp_msgs_burst controls the burst size of these packets.
+
Default: 50
icmp_ratemask - INTEGER
Mask made of ICMP types for which rates are being limited.
+
Significant bits: IHGFEDCBA9876543210
+
Default mask: 0000001100000011000 (6168)
Bit definitions (see include/linux/icmp.h):
+
+ = =========================
0 Echo Reply
- 3 Destination Unreachable *
- 4 Source Quench *
+ 3 Destination Unreachable [1]_
+ 4 Source Quench [1]_
5 Redirect
8 Echo Request
- B Time Exceeded *
- C Parameter Problem *
+ B Time Exceeded [1]_
+ C Parameter Problem [1]_
D Timestamp Request
E Timestamp Reply
F Info Request
G Info Reply
H Address Mask Request
I Address Mask Reply
+ = =========================
- * These are rate limited by default (see default mask above)
+ .. [1] These are rate limited by default (see default mask above)
icmp_ignore_bogus_error_responses - BOOLEAN
Some routers violate RFC1122 by sending bogus responses to broadcast
frames. Such violations are normally logged via a kernel warning.
If this is set to TRUE, the kernel will not give such warnings, which
will avoid log file clutter.
+
Default: 1
icmp_errors_use_inbound_ifaddr - BOOLEAN
@@ -1093,32 +1229,39 @@ igmp_max_memberships - INTEGER
igmp_max_msf - INTEGER
Maximum number of addresses allowed in the source filter list for a
multicast group.
+
Default: 10
igmp_qrv - INTEGER
Controls the IGMP query robustness variable (see RFC2236 8.1).
+
Default: 2 (as specified by RFC2236 8.1)
+
Minimum: 1 (as specified by RFC6636 4.5)
force_igmp_version - INTEGER
- 0 - (default) No enforcement of a IGMP version, IGMPv1/v2 fallback
- allowed. Will back to IGMPv3 mode again if all IGMPv1/v2 Querier
- Present timer expires.
- 1 - Enforce to use IGMP version 1. Will also reply IGMPv1 report if
- receive IGMPv2/v3 query.
- 2 - Enforce to use IGMP version 2. Will fallback to IGMPv1 if receive
- IGMPv1 query message. Will reply report if receive IGMPv3 query.
- 3 - Enforce to use IGMP version 3. The same react with default 0.
+ - 0 - (default) No enforcement of a IGMP version, IGMPv1/v2 fallback
+ allowed. Will back to IGMPv3 mode again if all IGMPv1/v2 Querier
+ Present timer expires.
+ - 1 - Enforce to use IGMP version 1. Will also reply IGMPv1 report if
+ receive IGMPv2/v3 query.
+ - 2 - Enforce to use IGMP version 2. Will fallback to IGMPv1 if receive
+ IGMPv1 query message. Will reply report if receive IGMPv3 query.
+ - 3 - Enforce to use IGMP version 3. The same react with default 0.
+
+ .. note::
- Note: this is not the same with force_mld_version because IGMPv3 RFC3376
- Security Considerations does not have clear description that we could
- ignore other version messages completely as MLDv2 RFC3810. So make
- this value as default 0 is recommended.
+ this is not the same with force_mld_version because IGMPv3 RFC3376
+ Security Considerations does not have clear description that we could
+ ignore other version messages completely as MLDv2 RFC3810. So make
+ this value as default 0 is recommended.
-conf/interface/* changes special settings per interface (where
-"interface" is the name of your network interface)
+``conf/interface/*``
+ changes special settings per interface (where
+ interface" is the name of your network interface)
-conf/all/* is special, changes the settings for all interfaces
+``conf/all/*``
+ is special, changes the settings for all interfaces
log_martians - BOOLEAN
Log packets with impossible addresses to kernel log.
@@ -1129,14 +1272,21 @@ log_martians - BOOLEAN
accept_redirects - BOOLEAN
Accept ICMP redirect messages.
accept_redirects for the interface will be enabled if:
+
- both conf/{all,interface}/accept_redirects are TRUE in the case
forwarding for the interface is enabled
+
or
+
- at least one of conf/{all,interface}/accept_redirects is TRUE in the
case forwarding for the interface is disabled
+
accept_redirects for the interface will be disabled otherwise
- default TRUE (host)
- FALSE (router)
+
+ default:
+
+ - TRUE (host)
+ - FALSE (router)
forwarding - BOOLEAN
Enable IP forwarding on this interface. This controls whether packets
@@ -1161,12 +1311,14 @@ medium_id - INTEGER
proxy_arp - BOOLEAN
Do proxy arp.
+
proxy_arp for the interface will be enabled if at least one of
conf/{all,interface}/proxy_arp is set to TRUE,
it will be disabled otherwise
proxy_arp_pvlan - BOOLEAN
Private VLAN proxy arp.
+
Basically allow proxy arp replies back to the same interface
(from which the ARP request/solicitation was received).
@@ -1179,6 +1331,7 @@ proxy_arp_pvlan - BOOLEAN
proxy_arp.
This technology is known by different names:
+
In RFC 3069 it is called VLAN Aggregation.
Cisco and Allied Telesyn call it Private VLAN.
Hewlett-Packard call it Source-Port filtering or port-isolation.
@@ -1187,26 +1340,33 @@ proxy_arp_pvlan - BOOLEAN
shared_media - BOOLEAN
Send(router) or accept(host) RFC1620 shared media redirects.
Overrides secure_redirects.
+
shared_media for the interface will be enabled if at least one of
conf/{all,interface}/shared_media is set to TRUE,
it will be disabled otherwise
+
default TRUE
secure_redirects - BOOLEAN
Accept ICMP redirect messages only to gateways listed in the
interface's current gateway list. Even if disabled, RFC1122 redirect
rules still apply.
+
Overridden by shared_media.
+
secure_redirects for the interface will be enabled if at least one of
conf/{all,interface}/secure_redirects is set to TRUE,
it will be disabled otherwise
+
default TRUE
send_redirects - BOOLEAN
Send redirects, if router.
+
send_redirects for the interface will be enabled if at least one of
conf/{all,interface}/send_redirects is set to TRUE,
it will be disabled otherwise
+
Default: TRUE
bootp_relay - BOOLEAN
@@ -1215,15 +1375,20 @@ bootp_relay - BOOLEAN
BOOTP relay daemon will catch and forward such packets.
conf/all/bootp_relay must also be set to TRUE to enable BOOTP relay
for the interface
+
default FALSE
+
Not Implemented Yet.
accept_source_route - BOOLEAN
Accept packets with SRR option.
conf/all/accept_source_route must also be set to TRUE to accept packets
with SRR option on the interface
- default TRUE (router)
- FALSE (host)
+
+ default
+
+ - TRUE (router)
+ - FALSE (host)
accept_local - BOOLEAN
Accept packets with local source addresses. In combination with
@@ -1234,18 +1399,19 @@ accept_local - BOOLEAN
route_localnet - BOOLEAN
Do not consider loopback addresses as martian source or destination
while routing. This enables the use of 127/8 for local routing purposes.
+
default FALSE
rp_filter - INTEGER
- 0 - No source validation.
- 1 - Strict mode as defined in RFC3704 Strict Reverse Path
- Each incoming packet is tested against the FIB and if the interface
- is not the best reverse path the packet check will fail.
- By default failed packets are discarded.
- 2 - Loose mode as defined in RFC3704 Loose Reverse Path
- Each incoming packet's source address is also tested against the FIB
- and if the source address is not reachable via any interface
- the packet check will fail.
+ - 0 - No source validation.
+ - 1 - Strict mode as defined in RFC3704 Strict Reverse Path
+ Each incoming packet is tested against the FIB and if the interface
+ is not the best reverse path the packet check will fail.
+ By default failed packets are discarded.
+ - 2 - Loose mode as defined in RFC3704 Loose Reverse Path
+ Each incoming packet's source address is also tested against the FIB
+ and if the source address is not reachable via any interface
+ the packet check will fail.
Current recommended practice in RFC3704 is to enable strict mode
to prevent IP spoofing from DDos attacks. If using asymmetric routing
@@ -1258,19 +1424,19 @@ rp_filter - INTEGER
in startup scripts.
arp_filter - BOOLEAN
- 1 - Allows you to have multiple network interfaces on the same
- subnet, and have the ARPs for each interface be answered
- based on whether or not the kernel would route a packet from
- the ARP'd IP out that interface (therefore you must use source
- based routing for this to work). In other words it allows control
- of which cards (usually 1) will respond to an arp request.
-
- 0 - (default) The kernel can respond to arp requests with addresses
- from other interfaces. This may seem wrong but it usually makes
- sense, because it increases the chance of successful communication.
- IP addresses are owned by the complete host on Linux, not by
- particular interfaces. Only for more complex setups like load-
- balancing, does this behaviour cause problems.
+ - 1 - Allows you to have multiple network interfaces on the same
+ subnet, and have the ARPs for each interface be answered
+ based on whether or not the kernel would route a packet from
+ the ARP'd IP out that interface (therefore you must use source
+ based routing for this to work). In other words it allows control
+ of which cards (usually 1) will respond to an arp request.
+
+ - 0 - (default) The kernel can respond to arp requests with addresses
+ from other interfaces. This may seem wrong but it usually makes
+ sense, because it increases the chance of successful communication.
+ IP addresses are owned by the complete host on Linux, not by
+ particular interfaces. Only for more complex setups like load-
+ balancing, does this behaviour cause problems.
arp_filter for the interface will be enabled if at least one of
conf/{all,interface}/arp_filter is set to TRUE,
@@ -1280,26 +1446,27 @@ arp_announce - INTEGER
Define different restriction levels for announcing the local
source IP address from IP packets in ARP requests sent on
interface:
- 0 - (default) Use any local address, configured on any interface
- 1 - Try to avoid local addresses that are not in the target's
- subnet for this interface. This mode is useful when target
- hosts reachable via this interface require the source IP
- address in ARP requests to be part of their logical network
- configured on the receiving interface. When we generate the
- request we will check all our subnets that include the
- target IP and will preserve the source address if it is from
- such subnet. If there is no such subnet we select source
- address according to the rules for level 2.
- 2 - Always use the best local address for this target.
- In this mode we ignore the source address in the IP packet
- and try to select local address that we prefer for talks with
- the target host. Such local address is selected by looking
- for primary IP addresses on all our subnets on the outgoing
- interface that include the target IP address. If no suitable
- local address is found we select the first local address
- we have on the outgoing interface or on all other interfaces,
- with the hope we will receive reply for our request and
- even sometimes no matter the source IP address we announce.
+
+ - 0 - (default) Use any local address, configured on any interface
+ - 1 - Try to avoid local addresses that are not in the target's
+ subnet for this interface. This mode is useful when target
+ hosts reachable via this interface require the source IP
+ address in ARP requests to be part of their logical network
+ configured on the receiving interface. When we generate the
+ request we will check all our subnets that include the
+ target IP and will preserve the source address if it is from
+ such subnet. If there is no such subnet we select source
+ address according to the rules for level 2.
+ - 2 - Always use the best local address for this target.
+ In this mode we ignore the source address in the IP packet
+ and try to select local address that we prefer for talks with
+ the target host. Such local address is selected by looking
+ for primary IP addresses on all our subnets on the outgoing
+ interface that include the target IP address. If no suitable
+ local address is found we select the first local address
+ we have on the outgoing interface or on all other interfaces,
+ with the hope we will receive reply for our request and
+ even sometimes no matter the source IP address we announce.
The max value from conf/{all,interface}/arp_announce is used.
@@ -1310,32 +1477,37 @@ arp_announce - INTEGER
arp_ignore - INTEGER
Define different modes for sending replies in response to
received ARP requests that resolve local target IP addresses:
- 0 - (default): reply for any local target IP address, configured
- on any interface
- 1 - reply only if the target IP address is local address
- configured on the incoming interface
- 2 - reply only if the target IP address is local address
- configured on the incoming interface and both with the
- sender's IP address are part from same subnet on this interface
- 3 - do not reply for local addresses configured with scope host,
- only resolutions for global and link addresses are replied
- 4-7 - reserved
- 8 - do not reply for all local addresses
+
+ - 0 - (default): reply for any local target IP address, configured
+ on any interface
+ - 1 - reply only if the target IP address is local address
+ configured on the incoming interface
+ - 2 - reply only if the target IP address is local address
+ configured on the incoming interface and both with the
+ sender's IP address are part from same subnet on this interface
+ - 3 - do not reply for local addresses configured with scope host,
+ only resolutions for global and link addresses are replied
+ - 4-7 - reserved
+ - 8 - do not reply for all local addresses
The max value from conf/{all,interface}/arp_ignore is used
when ARP request is received on the {interface}
arp_notify - BOOLEAN
Define mode for notification of address and device changes.
- 0 - (default): do nothing
- 1 - Generate gratuitous arp requests when device is brought up
- or hardware address changes.
+
+ == ==========================================================
+ 0 (default): do nothing
+ 1 Generate gratuitous arp requests when device is brought up
+ or hardware address changes.
+ == ==========================================================
arp_accept - BOOLEAN
Define behavior for gratuitous ARP frames who's IP is not
already present in the ARP table:
- 0 - don't create new entries in the ARP table
- 1 - create new entries in the ARP table
+
+ - 0 - don't create new entries in the ARP table
+ - 1 - create new entries in the ARP table
Both replies and requests type gratuitous arp will trigger the
ARP table to be updated, if this setting is on.
@@ -1371,11 +1543,13 @@ disable_xfrm - BOOLEAN
igmpv2_unsolicited_report_interval - INTEGER
The interval in milliseconds in which the next unsolicited
IGMPv1 or IGMPv2 report retransmit will take place.
+
Default: 10000 (10 seconds)
igmpv3_unsolicited_report_interval - INTEGER
The interval in milliseconds in which the next unsolicited
IGMPv3 report retransmit will take place.
+
Default: 1000 (1 seconds)
promote_secondaries - BOOLEAN
@@ -1386,19 +1560,23 @@ promote_secondaries - BOOLEAN
drop_unicast_in_l2_multicast - BOOLEAN
Drop any unicast IP packets that are received in link-layer
multicast (or broadcast) frames.
+
This behavior (for multicast) is actually a SHOULD in RFC
1122, but is disabled by default for compatibility reasons.
+
Default: off (0)
drop_gratuitous_arp - BOOLEAN
Drop all gratuitous ARP frames, for example if there's a known
good ARP proxy on the network and such frames need not be used
(or in the case of 802.11, must not be used to prevent attacks.)
+
Default: off (0)
tag - INTEGER
Allows you to write a number, which can be used as required.
+
Default value is 0.
xfrm4_gc_thresh - INTEGER
@@ -1410,21 +1588,24 @@ xfrm4_gc_thresh - INTEGER
igmp_link_local_mcast_reports - BOOLEAN
Enable IGMP reports for link local multicast groups in the
224.0.0.X range.
+
Default TRUE
Alexey Kuznetsov.
kuznet@ms2.inr.ac.ru
Updated by:
-Andi Kleen
-ak@muc.de
-Nicolas Delon
-delon.nicolas@wanadoo.fr
+- Andi Kleen
+ ak@muc.de
+- Nicolas Delon
+ delon.nicolas@wanadoo.fr
-/proc/sys/net/ipv6/* Variables:
+
+/proc/sys/net/ipv6/* Variables
+==============================
IPv6 has no global variables such as tcp_*. tcp_* settings under ipv4/ also
apply to IPv6 [XXX?].
@@ -1433,8 +1614,9 @@ bindv6only - BOOLEAN
Default value for IPV6_V6ONLY socket option,
which restricts use of the IPv6 socket to IPv6 communication
only.
- TRUE: disable IPv4-mapped address feature
- FALSE: enable IPv4-mapped address feature
+
+ - TRUE: disable IPv4-mapped address feature
+ - FALSE: enable IPv4-mapped address feature
Default: FALSE (as specified in RFC3493)
@@ -1442,8 +1624,10 @@ flowlabel_consistency - BOOLEAN
Protect the consistency (and unicity) of flow label.
You have to disable it to use IPV6_FL_F_REFLECT flag on the
flow label manager.
- TRUE: enabled
- FALSE: disabled
+
+ - TRUE: enabled
+ - FALSE: disabled
+
Default: TRUE
auto_flowlabels - INTEGER
@@ -1451,22 +1635,28 @@ auto_flowlabels - INTEGER
packet. This allows intermediate devices, such as routers, to
identify packet flows for mechanisms like Equal Cost Multipath
Routing (see RFC 6438).
- 0: automatic flow labels are completely disabled
- 1: automatic flow labels are enabled by default, they can be
+
+ = ===========================================================
+ 0 automatic flow labels are completely disabled
+ 1 automatic flow labels are enabled by default, they can be
disabled on a per socket basis using the IPV6_AUTOFLOWLABEL
socket option
- 2: automatic flow labels are allowed, they may be enabled on a
+ 2 automatic flow labels are allowed, they may be enabled on a
per socket basis using the IPV6_AUTOFLOWLABEL socket option
- 3: automatic flow labels are enabled and enforced, they cannot
+ 3 automatic flow labels are enabled and enforced, they cannot
be disabled by the socket option
+ = ===========================================================
+
Default: 1
flowlabel_state_ranges - BOOLEAN
Split the flow label number space into two ranges. 0-0x7FFFF is
reserved for the IPv6 flow manager facility, 0x80000-0xFFFFF
is reserved for stateless flow labels as described in RFC6437.
- TRUE: enabled
- FALSE: disabled
+
+ - TRUE: enabled
+ - FALSE: disabled
+
Default: true
flowlabel_reflect - INTEGER
@@ -1476,49 +1666,59 @@ flowlabel_reflect - INTEGER
https://tools.ietf.org/html/draft-wang-6man-flow-label-reflection-01
This is a bitmask.
- 1: enabled for established flows
- Note that this prevents automatic flowlabel changes, as done
- in "tcp: change IPv6 flow-label upon receiving spurious retransmission"
- and "tcp: Change txhash on every SYN and RTO retransmit"
+ - 1: enabled for established flows
+
+ Note that this prevents automatic flowlabel changes, as done
+ in "tcp: change IPv6 flow-label upon receiving spurious retransmission"
+ and "tcp: Change txhash on every SYN and RTO retransmit"
- 2: enabled for TCP RESET packets (no active listener)
- If set, a RST packet sent in response to a SYN packet on a closed
- port will reflect the incoming flow label.
+ - 2: enabled for TCP RESET packets (no active listener)
+ If set, a RST packet sent in response to a SYN packet on a closed
+ port will reflect the incoming flow label.
- 4: enabled for ICMPv6 echo reply messages.
+ - 4: enabled for ICMPv6 echo reply messages.
Default: 0
fib_multipath_hash_policy - INTEGER
Controls which hash policy to use for multipath routes.
+
Default: 0 (Layer 3)
+
Possible values:
- 0 - Layer 3 (source and destination addresses plus flow label)
- 1 - Layer 4 (standard 5-tuple)
- 2 - Layer 3 or inner Layer 3 if present
+
+ - 0 - Layer 3 (source and destination addresses plus flow label)
+ - 1 - Layer 4 (standard 5-tuple)
+ - 2 - Layer 3 or inner Layer 3 if present
anycast_src_echo_reply - BOOLEAN
Controls the use of anycast addresses as source addresses for ICMPv6
echo reply
- TRUE: enabled
- FALSE: disabled
+
+ - TRUE: enabled
+ - FALSE: disabled
+
Default: FALSE
idgen_delay - INTEGER
Controls the delay in seconds after which time to retry
privacy stable address generation if a DAD conflict is
detected.
+
Default: 1 (as specified in RFC7217)
idgen_retries - INTEGER
Controls the number of retries to generate a stable privacy
address if a DAD conflict is detected.
+
Default: 3 (as specified in RFC7217)
mld_qrv - INTEGER
Controls the MLD query robustness variable (see RFC3810 9.1).
+
Default: 2 (as specified by RFC3810 9.1)
+
Minimum: 1 (as specified by RFC6636 4.5)
max_dst_opts_number - INTEGER
@@ -1526,6 +1726,7 @@ max_dst_opts_number - INTEGER
options extension header. If this value is less than zero
then unknown options are disallowed and the number of known
TLVs allowed is the absolute value of this number.
+
Default: 8
max_hbh_opts_number - INTEGER
@@ -1533,16 +1734,19 @@ max_hbh_opts_number - INTEGER
options extension header. If this value is less than zero
then unknown options are disallowed and the number of known
TLVs allowed is the absolute value of this number.
+
Default: 8
max_dst_opts_length - INTEGER
Maximum length allowed for a Destination options extension
header.
+
Default: INT_MAX (unlimited)
max_hbh_length - INTEGER
Maximum length allowed for a Hop-by-Hop options extension
header.
+
Default: INT_MAX (unlimited)
skip_notify_on_dev_down - BOOLEAN
@@ -1551,8 +1755,21 @@ skip_notify_on_dev_down - BOOLEAN
generate this message; IPv6 does by default. Setting this sysctl
to true skips the message, making IPv4 and IPv6 on par in relying
on userspace caches to track link events and evict routes.
+
Default: false (generate message)
+nexthop_compat_mode - BOOLEAN
+ New nexthop API provides a means for managing nexthops independent of
+ prefixes. Backwards compatibilty with old route format is enabled by
+ default which means route dumps and notifications contain the new
+ nexthop attribute but also the full, expanded nexthop definition.
+ Further, updates or deletes of a nexthop configuration generate route
+ notifications for each fib entry using the nexthop. Once a system
+ understands the new API, this sysctl can be disabled to achieve full
+ performance benefits of the new API by disabling the nexthop expansion
+ and extraneous notifications.
+ Default: true (backward compat mode)
+
IPv6 Fragmentation:
ip6frag_high_thresh - INTEGER
@@ -1573,18 +1790,20 @@ seg6_flowlabel - INTEGER
Controls the behaviour of computing the flowlabel of outer
IPv6 header in case of SR T.encaps
- -1 set flowlabel to zero.
- 0 copy flowlabel from Inner packet in case of Inner IPv6
- (Set flowlabel to 0 in case IPv4/L2)
- 1 Compute the flowlabel using seg6_make_flowlabel()
+ == =======================================================
+ -1 set flowlabel to zero.
+ 0 copy flowlabel from Inner packet in case of Inner IPv6
+ (Set flowlabel to 0 in case IPv4/L2)
+ 1 Compute the flowlabel using seg6_make_flowlabel()
+ == =======================================================
Default is 0.
-conf/default/*:
+``conf/default/*``:
Change the interface-specific default settings.
-conf/all/*:
+``conf/all/*``:
Change all the interface-specific settings.
[XXX: Other special features than forwarding?]
@@ -1608,9 +1827,10 @@ fwmark_reflect - BOOLEAN
associated with a socket for example, TCP RSTs or ICMPv6 echo replies).
If unset, these packets have a fwmark of zero. If set, they have the
fwmark of the packet they are replying to.
+
Default: 0
-conf/interface/*:
+``conf/interface/*``:
Change special settings per interface.
The functional behaviour for certain settings is different
@@ -1625,31 +1845,40 @@ accept_ra - INTEGER
transmitted.
Possible values are:
- 0 Do not accept Router Advertisements.
- 1 Accept Router Advertisements if forwarding is disabled.
- 2 Overrule forwarding behaviour. Accept Router Advertisements
- even if forwarding is enabled.
- Functional default: enabled if local forwarding is disabled.
- disabled if local forwarding is enabled.
+ == ===========================================================
+ 0 Do not accept Router Advertisements.
+ 1 Accept Router Advertisements if forwarding is disabled.
+ 2 Overrule forwarding behaviour. Accept Router Advertisements
+ even if forwarding is enabled.
+ == ===========================================================
+
+ Functional default:
+
+ - enabled if local forwarding is disabled.
+ - disabled if local forwarding is enabled.
accept_ra_defrtr - BOOLEAN
Learn default router in Router Advertisement.
- Functional default: enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ Functional default:
+
+ - enabled if accept_ra is enabled.
+ - disabled if accept_ra is disabled.
accept_ra_from_local - BOOLEAN
Accept RA with source-address that is found on local machine
- if the RA is otherwise proper and able to be accepted.
- Default is to NOT accept these as it may be an un-intended
- network loop.
+ if the RA is otherwise proper and able to be accepted.
+
+ Default is to NOT accept these as it may be an un-intended
+ network loop.
Functional default:
- enabled if accept_ra_from_local is enabled
- on a specific interface.
- disabled if accept_ra_from_local is disabled
- on a specific interface.
+
+ - enabled if accept_ra_from_local is enabled
+ on a specific interface.
+ - disabled if accept_ra_from_local is disabled
+ on a specific interface.
accept_ra_min_hop_limit - INTEGER
Minimum hop limit Information in Router Advertisement.
@@ -1662,8 +1891,10 @@ accept_ra_min_hop_limit - INTEGER
accept_ra_pinfo - BOOLEAN
Learn Prefix Information in Router Advertisement.
- Functional default: enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ Functional default:
+
+ - enabled if accept_ra is enabled.
+ - disabled if accept_ra is disabled.
accept_ra_rt_info_min_plen - INTEGER
Minimum prefix length of Route Information in RA.
@@ -1671,8 +1902,10 @@ accept_ra_rt_info_min_plen - INTEGER
Route Information w/ prefix smaller than this variable shall
be ignored.
- Functional default: 0 if accept_ra_rtr_pref is enabled.
- -1 if accept_ra_rtr_pref is disabled.
+ Functional default:
+
+ * 0 if accept_ra_rtr_pref is enabled.
+ * -1 if accept_ra_rtr_pref is disabled.
accept_ra_rt_info_max_plen - INTEGER
Maximum prefix length of Route Information in RA.
@@ -1680,33 +1913,41 @@ accept_ra_rt_info_max_plen - INTEGER
Route Information w/ prefix larger than this variable shall
be ignored.
- Functional default: 0 if accept_ra_rtr_pref is enabled.
- -1 if accept_ra_rtr_pref is disabled.
+ Functional default:
+
+ * 0 if accept_ra_rtr_pref is enabled.
+ * -1 if accept_ra_rtr_pref is disabled.
accept_ra_rtr_pref - BOOLEAN
Accept Router Preference in RA.
- Functional default: enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ Functional default:
+
+ - enabled if accept_ra is enabled.
+ - disabled if accept_ra is disabled.
accept_ra_mtu - BOOLEAN
Apply the MTU value specified in RA option 5 (RFC4861). If
disabled, the MTU specified in the RA will be ignored.
- Functional default: enabled if accept_ra is enabled.
- disabled if accept_ra is disabled.
+ Functional default:
+
+ - enabled if accept_ra is enabled.
+ - disabled if accept_ra is disabled.
accept_redirects - BOOLEAN
Accept Redirects.
- Functional default: enabled if local forwarding is disabled.
- disabled if local forwarding is enabled.
+ Functional default:
+
+ - enabled if local forwarding is disabled.
+ - disabled if local forwarding is enabled.
accept_source_route - INTEGER
Accept source routing (routing extension header).
- >= 0: Accept only routing header type 2.
- < 0: Do not accept routing header.
+ - >= 0: Accept only routing header type 2.
+ - < 0: Do not accept routing header.
Default: 0
@@ -1714,24 +1955,30 @@ autoconf - BOOLEAN
Autoconfigure addresses using Prefix Information in Router
Advertisements.
- Functional default: enabled if accept_ra_pinfo is enabled.
- disabled if accept_ra_pinfo is disabled.
+ Functional default:
+
+ - enabled if accept_ra_pinfo is enabled.
+ - disabled if accept_ra_pinfo is disabled.
dad_transmits - INTEGER
The amount of Duplicate Address Detection probes to send.
+
Default: 1
forwarding - INTEGER
Configure interface-specific Host/Router behaviour.
- Note: It is recommended to have the same setting on all
- interfaces; mixed router/host scenarios are rather uncommon.
+ .. note::
+
+ It is recommended to have the same setting on all
+ interfaces; mixed router/host scenarios are rather uncommon.
Possible values are:
- 0 Forwarding disabled
- 1 Forwarding enabled
- FALSE (0):
+ - 0 Forwarding disabled
+ - 1 Forwarding enabled
+
+ **FALSE (0)**:
By default, Host behaviour is assumed. This means:
@@ -1742,7 +1989,7 @@ forwarding - INTEGER
Advertisements (and do autoconfiguration).
4. If accept_redirects is TRUE (default), accept Redirects.
- TRUE (1):
+ **TRUE (1)**:
If local forwarding is enabled, Router behaviour is assumed.
This means exactly the reverse from the above:
@@ -1753,19 +2000,22 @@ forwarding - INTEGER
4. Redirects are ignored.
Default: 0 (disabled) if global forwarding is disabled (default),
- otherwise 1 (enabled).
+ otherwise 1 (enabled).
hop_limit - INTEGER
Default Hop Limit to set.
+
Default: 64
mtu - INTEGER
Default Maximum Transfer Unit
+
Default: 1280 (IPv6 required minimum)
ip_nonlocal_bind - BOOLEAN
If set, allows processes to bind() to non-local IPv6 addresses,
which can be quite useful - but may break some applications.
+
Default: 0
router_probe_interval - INTEGER
@@ -1777,15 +2027,18 @@ router_probe_interval - INTEGER
router_solicitation_delay - INTEGER
Number of seconds to wait after interface is brought up
before sending Router Solicitations.
+
Default: 1
router_solicitation_interval - INTEGER
Number of seconds to wait between Router Solicitations.
+
Default: 4
router_solicitations - INTEGER
Number of Router Solicitations to send until assuming no
routers are present.
+
Default: 3
use_oif_addrs_only - BOOLEAN
@@ -1797,28 +2050,35 @@ use_oif_addrs_only - BOOLEAN
use_tempaddr - INTEGER
Preference for Privacy Extensions (RFC3041).
- <= 0 : disable Privacy Extensions
- == 1 : enable Privacy Extensions, but prefer public
- addresses over temporary addresses.
- > 1 : enable Privacy Extensions and prefer temporary
- addresses over public addresses.
- Default: 0 (for most devices)
- -1 (for point-to-point devices and loopback devices)
+
+ * <= 0 : disable Privacy Extensions
+ * == 1 : enable Privacy Extensions, but prefer public
+ addresses over temporary addresses.
+ * > 1 : enable Privacy Extensions and prefer temporary
+ addresses over public addresses.
+
+ Default:
+
+ * 0 (for most devices)
+ * -1 (for point-to-point devices and loopback devices)
temp_valid_lft - INTEGER
valid lifetime (in seconds) for temporary addresses.
- Default: 604800 (7 days)
+
+ Default: 172800 (2 days)
temp_prefered_lft - INTEGER
Preferred lifetime (in seconds) for temporary addresses.
+
Default: 86400 (1 day)
keep_addr_on_down - INTEGER
Keep all IPv6 addresses on an interface down event. If set static
global addresses with no expiration time are not flushed.
- >0 : enabled
- 0 : system default
- <0 : disabled
+
+ * >0 : enabled
+ * 0 : system default
+ * <0 : disabled
Default: 0 (addresses are removed)
@@ -1827,11 +2087,13 @@ max_desync_factor - INTEGER
that ensures that clients don't synchronize with each
other and generate new addresses at exactly the same time.
value is in seconds.
+
Default: 600
regen_max_retry - INTEGER
Number of attempts before give up attempting to generate
valid temporary addresses.
+
Default: 5
max_addresses - INTEGER
@@ -1839,12 +2101,14 @@ max_addresses - INTEGER
to zero disables the limitation. It is not recommended to set this
value too large (or to zero) because it would be an easy way to
crash the kernel by allowing too many addresses to be created.
+
Default: 16
disable_ipv6 - BOOLEAN
Disable IPv6 operation. If accept_dad is set to 2, this value
will be dynamically set to TRUE if DAD fails for the link-local
address.
+
Default: FALSE (enable IPv6 operation)
When this value is changed from 1 to 0 (IPv6 is being enabled),
@@ -1858,10 +2122,13 @@ disable_ipv6 - BOOLEAN
accept_dad - INTEGER
Whether to accept DAD (Duplicate Address Detection).
- 0: Disable DAD
- 1: Enable DAD (default)
- 2: Enable DAD, and disable IPv6 operation if MAC-based duplicate
- link-local address has been found.
+
+ == ==============================================================
+ 0 Disable DAD
+ 1 Enable DAD (default)
+ 2 Enable DAD, and disable IPv6 operation if MAC-based duplicate
+ link-local address has been found.
+ == ==============================================================
DAD operation and mode on a given interface will be selected according
to the maximum value of conf/{all,interface}/accept_dad.
@@ -1869,6 +2136,7 @@ accept_dad - INTEGER
force_tllao - BOOLEAN
Enable sending the target link-layer address option even when
responding to a unicast neighbor solicitation.
+
Default: FALSE
Quoting from RFC 2461, section 4.4, Target link-layer address:
@@ -1886,9 +2154,10 @@ force_tllao - BOOLEAN
ndisc_notify - BOOLEAN
Define mode for notification of address and device changes.
- 0 - (default): do nothing
- 1 - Generate unsolicited neighbour advertisements when device is brought
- up or hardware address changes.
+
+ * 0 - (default): do nothing
+ * 1 - Generate unsolicited neighbour advertisements when device is brought
+ up or hardware address changes.
ndisc_tclass - INTEGER
The IPv6 Traffic Class to use by default when sending IPv6 Neighbor
@@ -1897,33 +2166,38 @@ ndisc_tclass - INTEGER
These 8 bits can be interpreted as 6 high order bits holding the DSCP
value and 2 low order bits representing ECN (which you probably want
to leave cleared).
- 0 - (default)
+
+ * 0 - (default)
mldv1_unsolicited_report_interval - INTEGER
The interval in milliseconds in which the next unsolicited
MLDv1 report retransmit will take place.
+
Default: 10000 (10 seconds)
mldv2_unsolicited_report_interval - INTEGER
The interval in milliseconds in which the next unsolicited
MLDv2 report retransmit will take place.
+
Default: 1000 (1 second)
force_mld_version - INTEGER
- 0 - (default) No enforcement of a MLD version, MLDv1 fallback allowed
- 1 - Enforce to use MLD version 1
- 2 - Enforce to use MLD version 2
+ * 0 - (default) No enforcement of a MLD version, MLDv1 fallback allowed
+ * 1 - Enforce to use MLD version 1
+ * 2 - Enforce to use MLD version 2
suppress_frag_ndisc - INTEGER
Control RFC 6980 (Security Implications of IPv6 Fragmentation
with IPv6 Neighbor Discovery) behavior:
- 1 - (default) discard fragmented neighbor discovery packets
- 0 - allow fragmented neighbor discovery packets
+
+ * 1 - (default) discard fragmented neighbor discovery packets
+ * 0 - allow fragmented neighbor discovery packets
optimistic_dad - BOOLEAN
Whether to perform Optimistic Duplicate Address Detection (RFC 4429).
- 0: disabled (default)
- 1: enabled
+
+ * 0: disabled (default)
+ * 1: enabled
Optimistic Duplicate Address Detection for the interface will be enabled
if at least one of conf/{all,interface}/optimistic_dad is set to 1,
@@ -1934,8 +2208,9 @@ use_optimistic - BOOLEAN
source address selection. Preferred addresses will still be chosen
before optimistic addresses, subject to other ranking in the source
address selection algorithm.
- 0: disabled (default)
- 1: enabled
+
+ * 0: disabled (default)
+ * 1: enabled
This will be enabled if at least one of
conf/{all,interface}/use_optimistic is set to 1, disabled otherwise.
@@ -1957,12 +2232,14 @@ stable_secret - IPv6 address
addr_gen_mode - INTEGER
Defines how link-local and autoconf addresses are generated.
- 0: generate address based on EUI64 (default)
- 1: do no generate a link-local address, use EUI64 for addresses generated
- from autoconf
- 2: generate stable privacy addresses, using the secret from
+ = =================================================================
+ 0 generate address based on EUI64 (default)
+ 1 do no generate a link-local address, use EUI64 for addresses
+ generated from autoconf
+ 2 generate stable privacy addresses, using the secret from
stable_secret (RFC7217)
- 3: generate stable privacy addresses, using a random secret if unset
+ 3 generate stable privacy addresses, using a random secret if unset
+ = =================================================================
drop_unicast_in_l2_multicast - BOOLEAN
Drop any unicast IPv6 packets that are received in link-layer
@@ -1984,13 +2261,18 @@ enhanced_dad - BOOLEAN
detection of duplicates due to loopback of the NS messages that we send.
The nonce option will be sent on an interface unless both of
conf/{all,interface}/enhanced_dad are set to FALSE.
+
Default: TRUE
-icmp/*:
+``icmp/*``:
+===========
+
ratelimit - INTEGER
Limit the maximal rates for sending ICMPv6 messages.
+
0 to disable any limiting,
otherwise the minimal space between responses in milliseconds.
+
Default: 1000
ratemask - list of comma separated ranges
@@ -2011,16 +2293,19 @@ ratemask - list of comma separated ranges
echo_ignore_all - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO
requests sent to it over the IPv6 protocol.
+
Default: 0
echo_ignore_multicast - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO
requests sent to it over the IPv6 protocol via multicast.
+
Default: 0
echo_ignore_anycast - BOOLEAN
If set non-zero, then the kernel will ignore all ICMP ECHO
requests sent to it over the IPv6 protocol destined to anycast address.
+
Default: 0
xfrm6_gc_thresh - INTEGER
@@ -2036,43 +2321,52 @@ YOSHIFUJI Hideaki / USAGI Project <yoshfuji@linux-ipv6.org>
/proc/sys/net/bridge/* Variables:
+=================================
bridge-nf-call-arptables - BOOLEAN
- 1 : pass bridged ARP traffic to arptables' FORWARD chain.
- 0 : disable this.
+ - 1 : pass bridged ARP traffic to arptables' FORWARD chain.
+ - 0 : disable this.
+
Default: 1
bridge-nf-call-iptables - BOOLEAN
- 1 : pass bridged IPv4 traffic to iptables' chains.
- 0 : disable this.
+ - 1 : pass bridged IPv4 traffic to iptables' chains.
+ - 0 : disable this.
+
Default: 1
bridge-nf-call-ip6tables - BOOLEAN
- 1 : pass bridged IPv6 traffic to ip6tables' chains.
- 0 : disable this.
+ - 1 : pass bridged IPv6 traffic to ip6tables' chains.
+ - 0 : disable this.
+
Default: 1
bridge-nf-filter-vlan-tagged - BOOLEAN
- 1 : pass bridged vlan-tagged ARP/IP/IPv6 traffic to {arp,ip,ip6}tables.
- 0 : disable this.
+ - 1 : pass bridged vlan-tagged ARP/IP/IPv6 traffic to {arp,ip,ip6}tables.
+ - 0 : disable this.
+
Default: 0
bridge-nf-filter-pppoe-tagged - BOOLEAN
- 1 : pass bridged pppoe-tagged IP/IPv6 traffic to {ip,ip6}tables.
- 0 : disable this.
+ - 1 : pass bridged pppoe-tagged IP/IPv6 traffic to {ip,ip6}tables.
+ - 0 : disable this.
+
Default: 0
bridge-nf-pass-vlan-input-dev - BOOLEAN
- 1: if bridge-nf-filter-vlan-tagged is enabled, try to find a vlan
- interface on the bridge and set the netfilter input device to the vlan.
- This allows use of e.g. "iptables -i br0.1" and makes the REDIRECT
- target work with vlan-on-top-of-bridge interfaces. When no matching
- vlan interface is found, or this switch is off, the input device is
- set to the bridge interface.
- 0: disable bridge netfilter vlan interface lookup.
+ - 1: if bridge-nf-filter-vlan-tagged is enabled, try to find a vlan
+ interface on the bridge and set the netfilter input device to the
+ vlan. This allows use of e.g. "iptables -i br0.1" and makes the
+ REDIRECT target work with vlan-on-top-of-bridge interfaces. When no
+ matching vlan interface is found, or this switch is off, the input
+ device is set to the bridge interface.
+
+ - 0: disable bridge netfilter vlan interface lookup.
+
Default: 0
-proc/sys/net/sctp/* Variables:
+``proc/sys/net/sctp/*`` Variables:
+==================================
addip_enable - BOOLEAN
Enable or disable extension of Dynamic Address Reconfiguration
@@ -2137,11 +2431,13 @@ addip_noauth_enable - BOOLEAN
we provide this variable to control the enforcement of the
authentication requirement.
- 1: Allow ADD-IP extension to be used without authentication. This
+ == ===============================================================
+ 1 Allow ADD-IP extension to be used without authentication. This
should only be set in a closed environment for interoperability
with older implementations.
- 0: Enforce the authentication requirement
+ 0 Enforce the authentication requirement
+ == ===============================================================
Default: 0
@@ -2151,8 +2447,8 @@ auth_enable - BOOLEAN
required for secure operation of Dynamic Address Reconfiguration
(ADD-IP) extension.
- 1: Enable this extension.
- 0: Disable this extension.
+ - 1: Enable this extension.
+ - 0: Disable this extension.
Default: 0
@@ -2160,8 +2456,8 @@ prsctp_enable - BOOLEAN
Enable or disable the Partial Reliability extension (RFC3758) which
is used to notify peers that a given DATA should no longer be expected.
- 1: Enable extension
- 0: Disable
+ - 1: Enable extension
+ - 0: Disable
Default: 1
@@ -2263,8 +2559,8 @@ cookie_preserve_enable - BOOLEAN
Enable or disable the ability to extend the lifetime of the SCTP cookie
that is used during the establishment phase of SCTP association
- 1: Enable cookie lifetime extension.
- 0: Disable
+ - 1: Enable cookie lifetime extension.
+ - 0: Disable
Default: 1
@@ -2272,9 +2568,11 @@ cookie_hmac_alg - STRING
Select the hmac algorithm used when generating the cookie value sent by
a listening sctp socket to a connecting client in the INIT-ACK chunk.
Valid values are:
+
* md5
* sha1
* none
+
Ability to assign md5 or sha1 as the selected alg is predicated on the
configuration of those algorithms at build time (CONFIG_CRYPTO_MD5 and
CONFIG_CRYPTO_SHA1).
@@ -2293,16 +2591,16 @@ rcvbuf_policy - INTEGER
to each association instead of the socket. This prevents the described
blocking.
- 1: rcvbuf space is per association
- 0: rcvbuf space is per socket
+ - 1: rcvbuf space is per association
+ - 0: rcvbuf space is per socket
Default: 0
sndbuf_policy - INTEGER
Similar to rcvbuf_policy above, this applies to send buffer space.
- 1: Send buffer is tracked per association
- 0: Send buffer is tracked per socket.
+ - 1: Send buffer is tracked per association
+ - 0: Send buffer is tracked per socket.
Default: 0
@@ -2335,19 +2633,23 @@ sctp_wmem - vector of 3 INTEGERs: min, default, max
addr_scope_policy - INTEGER
Control IPv4 address scoping - draft-stewart-tsvwg-sctp-ipv4-00
- 0 - Disable IPv4 address scoping
- 1 - Enable IPv4 address scoping
- 2 - Follow draft but allow IPv4 private addresses
- 3 - Follow draft but allow IPv4 link local addresses
+ - 0 - Disable IPv4 address scoping
+ - 1 - Enable IPv4 address scoping
+ - 2 - Follow draft but allow IPv4 private addresses
+ - 3 - Follow draft but allow IPv4 link local addresses
Default: 1
-/proc/sys/net/core/*
+``/proc/sys/net/core/*``
+========================
+
Please see: Documentation/admin-guide/sysctl/net.rst for descriptions of these entries.
-/proc/sys/net/unix/*
+``/proc/sys/net/unix/*``
+========================
+
max_dgram_qlen - INTEGER
The maximum length of dgram socket receive queue
diff --git a/Documentation/networking/ip_dynaddr.txt b/Documentation/networking/ip_dynaddr.rst
index 45f3c1268e86..eacc0c780c7f 100644
--- a/Documentation/networking/ip_dynaddr.txt
+++ b/Documentation/networking/ip_dynaddr.rst
@@ -1,10 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================================
IP dynamic address hack-port v0.03
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+==================================
+
This stuff allows diald ONESHOT connections to get established by
dynamically changing packet source address (and socket's if local procs).
It is implemented for TCP diald-box connections(1) and IP_MASQuerading(2).
-If enabled[*] and forwarding interface has changed:
+If enabled\ [#]_ and forwarding interface has changed:
+
1) Socket (and packet) source address is rewritten ON RETRANSMISSIONS
while in SYN_SENT state (diald-box processes).
2) Out-bounded MASQueraded source address changes ON OUTPUT (when
@@ -12,18 +17,24 @@ If enabled[*] and forwarding interface has changed:
received by the tunnel.
This is specially helpful for auto dialup links (diald), where the
-``actual'' outgoing address is unknown at the moment the link is
+``actual`` outgoing address is unknown at the moment the link is
going up. So, the *same* (local AND masqueraded) connections requests that
bring the link up will be able to get established.
-[*] At boot, by default no address rewriting is attempted.
- To enable:
+.. [#] At boot, by default no address rewriting is attempted.
+
+ To enable::
+
# echo 1 > /proc/sys/net/ipv4/ip_dynaddr
- To enable verbose mode:
- # echo 2 > /proc/sys/net/ipv4/ip_dynaddr
- To disable (default)
+
+ To enable verbose mode::
+
+ # echo 2 > /proc/sys/net/ipv4/ip_dynaddr
+
+ To disable (default)::
+
# echo 0 > /proc/sys/net/ipv4/ip_dynaddr
Enjoy!
--- Juanjo <jjciarla@raiz.uncu.edu.ar>
+Juanjo <jjciarla@raiz.uncu.edu.ar>
diff --git a/Documentation/networking/ipddp.txt b/Documentation/networking/ipddp.rst
index ba5c217fffe0..be7091b77927 100644
--- a/Documentation/networking/ipddp.txt
+++ b/Documentation/networking/ipddp.rst
@@ -1,7 +1,12 @@
-Text file for ipddp.c:
- AppleTalk-IP Decapsulation and AppleTalk-IP Encapsulation
+.. SPDX-License-Identifier: GPL-2.0
-This text file is written by Jay Schulist <jschlst@samba.org>
+=========================================================
+AppleTalk-IP Decapsulation and AppleTalk-IP Encapsulation
+=========================================================
+
+Documentation ipddp.c
+
+This file is written by Jay Schulist <jschlst@samba.org>
Introduction
------------
@@ -21,7 +26,7 @@ kernel AppleTalk layer and drivers are available.
Each mode requires its own user space software.
Compiling AppleTalk-IP Decapsulation/Encapsulation
-=================================================
+==================================================
AppleTalk-IP decapsulation needs to be compiled into your kernel. You
will need to turn on AppleTalk-IP driver support. Then you will need to
diff --git a/Documentation/networking/iphase.txt b/Documentation/networking/iphase.rst
index 670b72f16585..92d9b757d75a 100644
--- a/Documentation/networking/iphase.txt
+++ b/Documentation/networking/iphase.rst
@@ -1,27 +1,35 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================================
+ATM (i)Chip IA Linux Driver Source
+==================================
+
+ READ ME FISRT
- READ ME FISRT
- ATM (i)Chip IA Linux Driver Source
--------------------------------------------------------------------------------
- Read This Before You Begin!
+
+ Read This Before You Begin!
+
--------------------------------------------------------------------------------
Description
------------
+===========
-This is the README file for the Interphase PCI ATM (i)Chip IA Linux driver
+This is the README file for the Interphase PCI ATM (i)Chip IA Linux driver
source release.
The features and limitations of this driver are as follows:
+
- A single VPI (VPI value of 0) is supported.
- - Supports 4K VCs for the server board (with 512K control memory) and 1K
+ - Supports 4K VCs for the server board (with 512K control memory) and 1K
VCs for the client board (with 128K control memory).
- UBR, ABR and CBR service categories are supported.
- - Only AAL5 is supported.
- - Supports setting of PCR on the VCs.
+ - Only AAL5 is supported.
+ - Supports setting of PCR on the VCs.
- Multiple adapters in a system are supported.
- - All variants of Interphase ATM PCI (i)Chip adapter cards are supported,
- including x575 (OC3, control memory 128K , 512K and packet memory 128K,
- 512K and 1M), x525 (UTP25) and x531 (DS3 and E3). See
+ - All variants of Interphase ATM PCI (i)Chip adapter cards are supported,
+ including x575 (OC3, control memory 128K , 512K and packet memory 128K,
+ 512K and 1M), x525 (UTP25) and x531 (DS3 and E3). See
http://www.iphase.com/
for details.
- Only x86 platforms are supported.
@@ -29,128 +37,155 @@ The features and limitations of this driver are as follows:
Before You Start
-----------------
+================
Installation
------------
1. Installing the adapters in the system
+
To install the ATM adapters in the system, follow the steps below.
+
a. Login as root.
b. Shut down the system and power off the system.
c. Install one or more ATM adapters in the system.
- d. Connect each adapter to a port on an ATM switch. The green 'Link'
- LED on the front panel of the adapter will be on if the adapter is
- connected to the switch properly when the system is powered up.
+ d. Connect each adapter to a port on an ATM switch. The green 'Link'
+ LED on the front panel of the adapter will be on if the adapter is
+ connected to the switch properly when the system is powered up.
e. Power on and boot the system.
2. [ Removed ]
3. Rebuild kernel with ABR support
+
[ a. and b. removed ]
- c. Reconfigure the kernel, choose the Interphase ia driver through "make
+
+ c. Reconfigure the kernel, choose the Interphase ia driver through "make
menuconfig" or "make xconfig".
- d. Rebuild the kernel, loadable modules and the atm tools.
+ d. Rebuild the kernel, loadable modules and the atm tools.
e. Install the new built kernel and modules and reboot.
4. Load the adapter hardware driver (ia driver) if it is built as a module
+
a. Login as root.
b. Change directory to /lib/modules/<kernel-version>/atm.
c. Run "insmod suni.o;insmod iphase.o"
- The yellow 'status' LED on the front panel of the adapter will blink
- while the driver is loaded in the system.
- d. To verify that the 'ia' driver is loaded successfully, run the
- following command:
+ The yellow 'status' LED on the front panel of the adapter will blink
+ while the driver is loaded in the system.
+ d. To verify that the 'ia' driver is loaded successfully, run the
+ following command::
- cat /proc/atm/devices
+ cat /proc/atm/devices
- If the driver is loaded successfully, the output of the command will
- be similar to the following lines:
+ If the driver is loaded successfully, the output of the command will
+ be similar to the following lines::
- Itf Type ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...
- 0 ia xxxxxxxxx 0 ( 0 0 0 0 0 ) 5 ( 0 0 0 0 0 )
+ Itf Type ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...
+ 0 ia xxxxxxxxx 0 ( 0 0 0 0 0 ) 5 ( 0 0 0 0 0 )
- You can also check the system log file /var/log/messages for messages
- related to the ATM driver.
+ You can also check the system log file /var/log/messages for messages
+ related to the ATM driver.
-5. Ia Driver Configuration
+5. Ia Driver Configuration
5.1 Configuration of adapter buffers
The (i)Chip boards have 3 different packet RAM size variants: 128K, 512K and
- 1M. The RAM size decides the number of buffers and buffer size. The default
- size and number of buffers are set as following:
-
- Total Rx RAM Tx RAM Rx Buf Tx Buf Rx buf Tx buf
- RAM size size size size size cnt cnt
- -------- ------ ------ ------ ------ ------ ------
- 128K 64K 64K 10K 10K 6 6
- 512K 256K 256K 10K 10K 25 25
- 1M 512K 512K 10K 10K 51 51
+ 1M. The RAM size decides the number of buffers and buffer size. The default
+ size and number of buffers are set as following:
+
+ ========= ======= ====== ====== ====== ====== ======
+ Total Rx RAM Tx RAM Rx Buf Tx Buf Rx buf Tx buf
+ RAM size size size size size cnt cnt
+ ========= ======= ====== ====== ====== ====== ======
+ 128K 64K 64K 10K 10K 6 6
+ 512K 256K 256K 10K 10K 25 25
+ 1M 512K 512K 10K 10K 51 51
+ ========= ======= ====== ====== ====== ====== ======
These setting should work well in most environments, but can be
- changed by typing the following command:
-
- insmod <IA_DIR>/ia.o IA_RX_BUF=<RX_CNT> IA_RX_BUF_SZ=<RX_SIZE> \
- IA_TX_BUF=<TX_CNT> IA_TX_BUF_SZ=<TX_SIZE>
+ changed by typing the following command::
+
+ insmod <IA_DIR>/ia.o IA_RX_BUF=<RX_CNT> IA_RX_BUF_SZ=<RX_SIZE> \
+ IA_TX_BUF=<TX_CNT> IA_TX_BUF_SZ=<TX_SIZE>
+
Where:
- RX_CNT = number of receive buffers in the range (1-128)
- RX_SIZE = size of receive buffers in the range (48-64K)
- TX_CNT = number of transmit buffers in the range (1-128)
- TX_SIZE = size of transmit buffers in the range (48-64K)
- 1. Transmit and receive buffer size must be a multiple of 4.
- 2. Care should be taken so that the memory required for the
- transmit and receive buffers is less than or equal to the
- total adapter packet memory.
+ - RX_CNT = number of receive buffers in the range (1-128)
+ - RX_SIZE = size of receive buffers in the range (48-64K)
+ - TX_CNT = number of transmit buffers in the range (1-128)
+ - TX_SIZE = size of transmit buffers in the range (48-64K)
+
+ 1. Transmit and receive buffer size must be a multiple of 4.
+ 2. Care should be taken so that the memory required for the
+ transmit and receive buffers is less than or equal to the
+ total adapter packet memory.
5.2 Turn on ia debug trace
- When the ia driver is built with the CONFIG_ATM_IA_DEBUG flag, the driver
- can provide more debug trace if needed. There is a bit mask variable,
- IADebugFlag, which controls the output of the traces. You can find the bit
- map of the IADebugFlag in iphase.h.
- The debug trace can be turn on through the insmod command line option, for
- example, "insmod iphase.o IADebugFlag=0xffffffff" can turn on all the debug
+ When the ia driver is built with the CONFIG_ATM_IA_DEBUG flag, the driver
+ can provide more debug trace if needed. There is a bit mask variable,
+ IADebugFlag, which controls the output of the traces. You can find the bit
+ map of the IADebugFlag in iphase.h.
+ The debug trace can be turn on through the insmod command line option, for
+ example, "insmod iphase.o IADebugFlag=0xffffffff" can turn on all the debug
traces together with loading the driver.
6. Ia Driver Test Using ttcp_atm and PVC
- For the PVC setup, the test machines can either be connected back-to-back or
- through a switch. If connected through the switch, the switch must be
+ For the PVC setup, the test machines can either be connected back-to-back or
+ through a switch. If connected through the switch, the switch must be
configured for the PVC(s).
a. For UBR test:
- At the test machine intended to receive data, type:
- ttcp_atm -r -a -s 0.100
- At the other test machine, type:
- ttcp_atm -t -a -s 0.100 -n 10000
+
+ At the test machine intended to receive data, type::
+
+ ttcp_atm -r -a -s 0.100
+
+ At the other test machine, type::
+
+ ttcp_atm -t -a -s 0.100 -n 10000
+
Run "ttcp_atm -h" to display more options of the ttcp_atm tool.
b. For ABR test:
- It is the same as the UBR testing, but with an extra command option:
- -Pabr:max_pcr=<xxx>
- where:
- xxx = the maximum peak cell rate, from 170 - 353207.
- This option must be set on both the machines.
+
+ It is the same as the UBR testing, but with an extra command option::
+
+ -Pabr:max_pcr=<xxx>
+
+ where:
+
+ xxx = the maximum peak cell rate, from 170 - 353207.
+
+ This option must be set on both the machines.
+
c. For CBR test:
- It is the same as the UBR testing, but with an extra command option:
- -Pcbr:max_pcr=<xxx>
- where:
- xxx = the maximum peak cell rate, from 170 - 353207.
- This option may only be set on the transmit machine.
+ It is the same as the UBR testing, but with an extra command option::
+
+ -Pcbr:max_pcr=<xxx>
+
+ where:
+
+ xxx = the maximum peak cell rate, from 170 - 353207.
-OUTSTANDING ISSUES
-------------------
+ This option may only be set on the transmit machine.
+
+
+Outstanding Issues
+==================
Contact Information
-------------------
+::
+
Customer Support:
- United States: Telephone: (214) 654-5555
- Fax: (214) 654-5500
+ United States: Telephone: (214) 654-5555
+ Fax: (214) 654-5500
E-Mail: intouch@iphase.com
Europe: Telephone: 33 (0)1 41 15 44 00
Fax: 33 (0)1 41 15 12 13
diff --git a/Documentation/networking/ipsec.txt b/Documentation/networking/ipsec.rst
index ba794b7e51be..afe9d7b48be3 100644
--- a/Documentation/networking/ipsec.txt
+++ b/Documentation/networking/ipsec.rst
@@ -1,12 +1,20 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====
+IPsec
+=====
+
Here documents known IPsec corner cases which need to be keep in mind when
deploy various IPsec configuration in real world production environment.
-1. IPcomp: Small IP packet won't get compressed at sender, and failed on
+1. IPcomp:
+ Small IP packet won't get compressed at sender, and failed on
policy check on receiver.
-Quote from RFC3173:
-2.2. Non-Expansion Policy
+Quote from RFC3173::
+
+ 2.2. Non-Expansion Policy
If the total size of a compressed payload and the IPComp header, as
defined in section 3, is not smaller than the size of the original
diff --git a/Documentation/networking/ipv6.txt b/Documentation/networking/ipv6.rst
index 6cd74fa55358..ba09c2f2dcc7 100644
--- a/Documentation/networking/ipv6.txt
+++ b/Documentation/networking/ipv6.rst
@@ -1,9 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====
+IPv6
+====
+
Options for the ipv6 module are supplied as parameters at load time.
Module options may be given as command line arguments to the insmod
or modprobe command, but are usually specified in either
-/etc/modules.d/*.conf configuration files, or in a distro-specific
+``/etc/modules.d/*.conf`` configuration files, or in a distro-specific
configuration file.
The available ipv6 module parameters are listed below. If a parameter
diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.rst
index 27a38e50c287..694adcba36b0 100644
--- a/Documentation/networking/ipvlan.txt
+++ b/Documentation/networking/ipvlan.rst
@@ -1,11 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
- IPVLAN Driver HOWTO
+===================
+IPVLAN Driver HOWTO
+===================
Initial Release:
Mahesh Bandewar <maheshb AT google.com>
1. Introduction:
- This is conceptually very similar to the macvlan driver with one major
+================
+This is conceptually very similar to the macvlan driver with one major
exception of using L3 for mux-ing /demux-ing among slaves. This property makes
the master device share the L2 with it's slave devices. I have developed this
driver in conjunction with network namespaces and not sure if there is use case
@@ -13,34 +17,48 @@ outside of it.
2. Building and Installation:
- In order to build the driver, please select the config item CONFIG_IPVLAN.
+=============================
+
+In order to build the driver, please select the config item CONFIG_IPVLAN.
The driver can be built into the kernel (CONFIG_IPVLAN=y) or as a module
(CONFIG_IPVLAN=m).
3. Configuration:
- There are no module parameters for this driver and it can be configured
+=================
+
+There are no module parameters for this driver and it can be configured
using IProute2/ip utility.
+::
ip link add link <master> name <slave> type ipvlan [ mode MODE ] [ FLAGS ]
where
- MODE: l3 (default) | l3s | l2
- FLAGS: bridge (default) | private | vepa
+ MODE: l3 (default) | l3s | l2
+ FLAGS: bridge (default) | private | vepa
+
+e.g.
- e.g.
(a) Following will create IPvlan link with eth0 as master in
- L3 bridge mode
- bash# ip link add link eth0 name ipvl0 type ipvlan
- (b) This command will create IPvlan link in L2 bridge mode.
- bash# ip link add link eth0 name ipvl0 type ipvlan mode l2 bridge
- (c) This command will create an IPvlan device in L2 private mode.
- bash# ip link add link eth0 name ipvlan type ipvlan mode l2 private
- (d) This command will create an IPvlan device in L2 vepa mode.
- bash# ip link add link eth0 name ipvlan type ipvlan mode l2 vepa
+ L3 bridge mode::
+
+ bash# ip link add link eth0 name ipvl0 type ipvlan
+ (b) This command will create IPvlan link in L2 bridge mode::
+
+ bash# ip link add link eth0 name ipvl0 type ipvlan mode l2 bridge
+
+ (c) This command will create an IPvlan device in L2 private mode::
+
+ bash# ip link add link eth0 name ipvlan type ipvlan mode l2 private
+
+ (d) This command will create an IPvlan device in L2 vepa mode::
+
+ bash# ip link add link eth0 name ipvlan type ipvlan mode l2 vepa
4. Operating modes:
- IPvlan has two modes of operation - L2 and L3. For a given master device,
+===================
+
+IPvlan has two modes of operation - L2 and L3. For a given master device,
you can select one of these two modes and all slaves on that master will
operate in the same (selected) mode. The RX mode is almost identical except
that in L3 mode the slaves wont receive any multicast / broadcast traffic.
@@ -48,39 +66,50 @@ L3 mode is more restrictive since routing is controlled from the other (mostly)
default namespace.
4.1 L2 mode:
- In this mode TX processing happens on the stack instance attached to the
+------------
+
+In this mode TX processing happens on the stack instance attached to the
slave device and packets are switched and queued to the master device to send
out. In this mode the slaves will RX/TX multicast and broadcast (if applicable)
as well.
4.2 L3 mode:
- In this mode TX processing up to L3 happens on the stack instance attached
+------------
+
+In this mode TX processing up to L3 happens on the stack instance attached
to the slave device and packets are switched to the stack instance of the
master device for the L2 processing and routing from that instance will be
used before packets are queued on the outbound device. In this mode the slaves
will not receive nor can send multicast / broadcast traffic.
4.3 L3S mode:
- This is very similar to the L3 mode except that iptables (conn-tracking)
+-------------
+
+This is very similar to the L3 mode except that iptables (conn-tracking)
works in this mode and hence it is L3-symmetric (L3s). This will have slightly less
performance but that shouldn't matter since you are choosing this mode over plain-L3
mode to make conn-tracking work.
5. Mode flags:
- At this time following mode flags are available
+==============
+
+At this time following mode flags are available
5.1 bridge:
- This is the default option. To configure the IPvlan port in this mode,
+-----------
+This is the default option. To configure the IPvlan port in this mode,
user can choose to either add this option on the command-line or don't specify
anything. This is the traditional mode where slaves can cross-talk among
themselves apart from talking through the master device.
5.2 private:
- If this option is added to the command-line, the port is set in private
+------------
+If this option is added to the command-line, the port is set in private
mode. i.e. port won't allow cross communication between slaves.
5.3 vepa:
- If this is added to the command-line, the port is set in VEPA mode.
+---------
+If this is added to the command-line, the port is set in VEPA mode.
i.e. port will offload switching functionality to the external entity as
described in 802.1Qbg
Note: VEPA mode in IPvlan has limitations. IPvlan uses the mac-address of the
@@ -89,18 +118,25 @@ neighbor will have source and destination mac same. This will make the switch /
router send the redirect message.
6. What to choose (macvlan vs. ipvlan)?
- These two devices are very similar in many regards and the specific use
+=======================================
+
+These two devices are very similar in many regards and the specific use
case could very well define which device to choose. if one of the following
-situations defines your use case then you can choose to use ipvlan -
- (a) The Linux host that is connected to the external switch / router has
-policy configured that allows only one mac per port.
- (b) No of virtual devices created on a master exceed the mac capacity and
-puts the NIC in promiscuous mode and degraded performance is a concern.
- (c) If the slave device is to be put into the hostile / untrusted network
-namespace where L2 on the slave could be changed / misused.
+situations defines your use case then you can choose to use ipvlan:
+
+
+(a) The Linux host that is connected to the external switch / router has
+ policy configured that allows only one mac per port.
+(b) No of virtual devices created on a master exceed the mac capacity and
+ puts the NIC in promiscuous mode and degraded performance is a concern.
+(c) If the slave device is to be put into the hostile / untrusted network
+ namespace where L2 on the slave could be changed / misused.
6. Example configuration:
+=========================
+
+::
+=============================================================+
| Host: host1 |
@@ -117,30 +153,37 @@ namespace where L2 on the slave could be changed / misused.
+==============================#==============================+
- (a) Create two network namespaces - ns0, ns1
- ip netns add ns0
- ip netns add ns1
-
- (b) Create two ipvlan slaves on eth0 (master device)
- ip link add link eth0 ipvl0 type ipvlan mode l2
- ip link add link eth0 ipvl1 type ipvlan mode l2
-
- (c) Assign slaves to the respective network namespaces
- ip link set dev ipvl0 netns ns0
- ip link set dev ipvl1 netns ns1
-
- (d) Now switch to the namespace (ns0 or ns1) to configure the slave devices
- - For ns0
- (1) ip netns exec ns0 bash
- (2) ip link set dev ipvl0 up
- (3) ip link set dev lo up
- (4) ip -4 addr add 127.0.0.1 dev lo
- (5) ip -4 addr add $IPADDR dev ipvl0
- (6) ip -4 route add default via $ROUTER dev ipvl0
- - For ns1
- (1) ip netns exec ns1 bash
- (2) ip link set dev ipvl1 up
- (3) ip link set dev lo up
- (4) ip -4 addr add 127.0.0.1 dev lo
- (5) ip -4 addr add $IPADDR dev ipvl1
- (6) ip -4 route add default via $ROUTER dev ipvl1
+(a) Create two network namespaces - ns0, ns1::
+
+ ip netns add ns0
+ ip netns add ns1
+
+(b) Create two ipvlan slaves on eth0 (master device)::
+
+ ip link add link eth0 ipvl0 type ipvlan mode l2
+ ip link add link eth0 ipvl1 type ipvlan mode l2
+
+(c) Assign slaves to the respective network namespaces::
+
+ ip link set dev ipvl0 netns ns0
+ ip link set dev ipvl1 netns ns1
+
+(d) Now switch to the namespace (ns0 or ns1) to configure the slave devices
+
+ - For ns0::
+
+ (1) ip netns exec ns0 bash
+ (2) ip link set dev ipvl0 up
+ (3) ip link set dev lo up
+ (4) ip -4 addr add 127.0.0.1 dev lo
+ (5) ip -4 addr add $IPADDR dev ipvl0
+ (6) ip -4 route add default via $ROUTER dev ipvl0
+
+ - For ns1::
+
+ (1) ip netns exec ns1 bash
+ (2) ip link set dev ipvl1 up
+ (3) ip link set dev lo up
+ (4) ip -4 addr add 127.0.0.1 dev lo
+ (5) ip -4 addr add $IPADDR dev ipvl1
+ (6) ip -4 route add default via $ROUTER dev ipvl1
diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.rst
index 056898685d40..be36c4600e8f 100644
--- a/Documentation/networking/ipvs-sysctl.txt
+++ b/Documentation/networking/ipvs-sysctl.rst
@@ -1,23 +1,30 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========
+IPvs-sysctl
+===========
+
/proc/sys/net/ipv4/vs/* Variables:
+==================================
am_droprate - INTEGER
- default 10
+ default 10
- It sets the always mode drop rate, which is used in the mode 3
- of the drop_rate defense.
+ It sets the always mode drop rate, which is used in the mode 3
+ of the drop_rate defense.
amemthresh - INTEGER
- default 1024
+ default 1024
- It sets the available memory threshold (in pages), which is
- used in the automatic modes of defense. When there is no
- enough available memory, the respective strategy will be
- enabled and the variable is automatically set to 2, otherwise
- the strategy is disabled and the variable is set to 1.
+ It sets the available memory threshold (in pages), which is
+ used in the automatic modes of defense. When there is no
+ enough available memory, the respective strategy will be
+ enabled and the variable is automatically set to 2, otherwise
+ the strategy is disabled and the variable is set to 1.
backup_only - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
If set, disable the director function while the server is
in backup mode to avoid packet loops for DR/TUN methods.
@@ -44,8 +51,8 @@ conn_reuse_mode - INTEGER
real servers to a very busy cluster.
conntrack - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
If set, maintain connection tracking entries for
connections handled by IPVS.
@@ -61,28 +68,28 @@ conntrack - BOOLEAN
Only available when IPVS is compiled with CONFIG_IP_VS_NFCT enabled.
cache_bypass - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
- If it is enabled, forward packets to the original destination
- directly when no cache server is available and destination
- address is not local (iph->daddr is RTN_UNICAST). It is mostly
- used in transparent web cache cluster.
+ If it is enabled, forward packets to the original destination
+ directly when no cache server is available and destination
+ address is not local (iph->daddr is RTN_UNICAST). It is mostly
+ used in transparent web cache cluster.
debug_level - INTEGER
- 0 - transmission error messages (default)
- 1 - non-fatal error messages
- 2 - configuration
- 3 - destination trash
- 4 - drop entry
- 5 - service lookup
- 6 - scheduling
- 7 - connection new/expire, lookup and synchronization
- 8 - state transition
- 9 - binding destination, template checks and applications
- 10 - IPVS packet transmission
- 11 - IPVS packet handling (ip_vs_in/ip_vs_out)
- 12 or more - packet traversal
+ - 0 - transmission error messages (default)
+ - 1 - non-fatal error messages
+ - 2 - configuration
+ - 3 - destination trash
+ - 4 - drop entry
+ - 5 - service lookup
+ - 6 - scheduling
+ - 7 - connection new/expire, lookup and synchronization
+ - 8 - state transition
+ - 9 - binding destination, template checks and applications
+ - 10 - IPVS packet transmission
+ - 11 - IPVS packet handling (ip_vs_in/ip_vs_out)
+ - 12 or more - packet traversal
Only available when IPVS is compiled with CONFIG_IP_VS_DEBUG enabled.
@@ -92,58 +99,58 @@ debug_level - INTEGER
the level.
drop_entry - INTEGER
- 0 - disabled (default)
-
- The drop_entry defense is to randomly drop entries in the
- connection hash table, just in order to collect back some
- memory for new connections. In the current code, the
- drop_entry procedure can be activated every second, then it
- randomly scans 1/32 of the whole and drops entries that are in
- the SYN-RECV/SYNACK state, which should be effective against
- syn-flooding attack.
-
- The valid values of drop_entry are from 0 to 3, where 0 means
- that this strategy is always disabled, 1 and 2 mean automatic
- modes (when there is no enough available memory, the strategy
- is enabled and the variable is automatically set to 2,
- otherwise the strategy is disabled and the variable is set to
- 1), and 3 means that that the strategy is always enabled.
+ - 0 - disabled (default)
+
+ The drop_entry defense is to randomly drop entries in the
+ connection hash table, just in order to collect back some
+ memory for new connections. In the current code, the
+ drop_entry procedure can be activated every second, then it
+ randomly scans 1/32 of the whole and drops entries that are in
+ the SYN-RECV/SYNACK state, which should be effective against
+ syn-flooding attack.
+
+ The valid values of drop_entry are from 0 to 3, where 0 means
+ that this strategy is always disabled, 1 and 2 mean automatic
+ modes (when there is no enough available memory, the strategy
+ is enabled and the variable is automatically set to 2,
+ otherwise the strategy is disabled and the variable is set to
+ 1), and 3 means that that the strategy is always enabled.
drop_packet - INTEGER
- 0 - disabled (default)
+ - 0 - disabled (default)
- The drop_packet defense is designed to drop 1/rate packets
- before forwarding them to real servers. If the rate is 1, then
- drop all the incoming packets.
+ The drop_packet defense is designed to drop 1/rate packets
+ before forwarding them to real servers. If the rate is 1, then
+ drop all the incoming packets.
- The value definition is the same as that of the drop_entry. In
- the automatic mode, the rate is determined by the follow
- formula: rate = amemthresh / (amemthresh - available_memory)
- when available memory is less than the available memory
- threshold. When the mode 3 is set, the always mode drop rate
- is controlled by the /proc/sys/net/ipv4/vs/am_droprate.
+ The value definition is the same as that of the drop_entry. In
+ the automatic mode, the rate is determined by the follow
+ formula: rate = amemthresh / (amemthresh - available_memory)
+ when available memory is less than the available memory
+ threshold. When the mode 3 is set, the always mode drop rate
+ is controlled by the /proc/sys/net/ipv4/vs/am_droprate.
expire_nodest_conn - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
-
- The default value is 0, the load balancer will silently drop
- packets when its destination server is not available. It may
- be useful, when user-space monitoring program deletes the
- destination server (because of server overload or wrong
- detection) and add back the server later, and the connections
- to the server can continue.
-
- If this feature is enabled, the load balancer will expire the
- connection immediately when a packet arrives and its
- destination server is not available, then the client program
- will be notified that the connection is closed. This is
- equivalent to the feature some people requires to flush
- connections when its destination is not available.
+ - 0 - disabled (default)
+ - not 0 - enabled
+
+ The default value is 0, the load balancer will silently drop
+ packets when its destination server is not available. It may
+ be useful, when user-space monitoring program deletes the
+ destination server (because of server overload or wrong
+ detection) and add back the server later, and the connections
+ to the server can continue.
+
+ If this feature is enabled, the load balancer will expire the
+ connection immediately when a packet arrives and its
+ destination server is not available, then the client program
+ will be notified that the connection is closed. This is
+ equivalent to the feature some people requires to flush
+ connections when its destination is not available.
expire_quiescent_template - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
When set to a non-zero value, the load balancer will expire
persistent templates when the destination server is quiescent.
@@ -158,8 +165,8 @@ expire_quiescent_template - BOOLEAN
connection and the destination server is quiescent.
ignore_tunneled - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
If set, ipvs will set the ipvs_property on all packets which are of
unrecognized protocols. This prevents us from routing tunneled
@@ -168,30 +175,30 @@ ignore_tunneled - BOOLEAN
ipvs routing loops when ipvs is also acting as a real server).
nat_icmp_send - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
- It controls sending icmp error messages (ICMP_DEST_UNREACH)
- for VS/NAT when the load balancer receives packets from real
- servers but the connection entries don't exist.
+ It controls sending icmp error messages (ICMP_DEST_UNREACH)
+ for VS/NAT when the load balancer receives packets from real
+ servers but the connection entries don't exist.
pmtu_disc - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ - 0 - disabled
+ - not 0 - enabled (default)
By default, reject with FRAG_NEEDED all DF packets that exceed
the PMTU, irrespective of the forwarding method. For TUN method
the flag can be disabled to fragment such packets.
secure_tcp - INTEGER
- 0 - disabled (default)
+ - 0 - disabled (default)
The secure_tcp defense is to use a more complicated TCP state
transition table. For VS/NAT, it also delays entering the
TCP ESTABLISHED state until the three way handshake is completed.
- The value definition is the same as that of drop_entry and
- drop_packet.
+ The value definition is the same as that of drop_entry and
+ drop_packet.
sync_threshold - vector of 2 INTEGERs: sync_threshold, sync_period
default 3 50
@@ -248,8 +255,8 @@ sync_ports - INTEGER
8848+sync_ports-1.
snat_reroute - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ - 0 - disabled
+ - not 0 - enabled (default)
If enabled, recalculate the route of SNATed packets from
realservers so that they are routed as if they originate from the
@@ -270,6 +277,7 @@ sync_persist_mode - INTEGER
Controls the synchronisation of connections when using persistence
0: All types of connections are synchronised
+
1: Attempt to reduce the synchronisation traffic depending on
the connection type. For persistent services avoid synchronisation
for normal connections, do it only for persistence templates.
diff --git a/Documentation/networking/kcm.txt b/Documentation/networking/kcm.rst
index b773a5278ac4..db0f5560ac1c 100644
--- a/Documentation/networking/kcm.txt
+++ b/Documentation/networking/kcm.rst
@@ -1,35 +1,38 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============================
Kernel Connection Multiplexor
------------------------------
+=============================
Kernel Connection Multiplexor (KCM) is a mechanism that provides a message based
interface over TCP for generic application protocols. With KCM an application
can efficiently send and receive application protocol messages over TCP using
datagram sockets.
-KCM implements an NxM multiplexor in the kernel as diagrammed below:
-
-+------------+ +------------+ +------------+ +------------+
-| KCM socket | | KCM socket | | KCM socket | | KCM socket |
-+------------+ +------------+ +------------+ +------------+
- | | | |
- +-----------+ | | +----------+
- | | | |
- +----------------------------------+
- | Multiplexor |
- +----------------------------------+
- | | | | |
- +---------+ | | | ------------+
- | | | | |
-+----------+ +----------+ +----------+ +----------+ +----------+
-| Psock | | Psock | | Psock | | Psock | | Psock |
-+----------+ +----------+ +----------+ +----------+ +----------+
- | | | | |
-+----------+ +----------+ +----------+ +----------+ +----------+
-| TCP sock | | TCP sock | | TCP sock | | TCP sock | | TCP sock |
-+----------+ +----------+ +----------+ +----------+ +----------+
+KCM implements an NxM multiplexor in the kernel as diagrammed below::
+
+ +------------+ +------------+ +------------+ +------------+
+ | KCM socket | | KCM socket | | KCM socket | | KCM socket |
+ +------------+ +------------+ +------------+ +------------+
+ | | | |
+ +-----------+ | | +----------+
+ | | | |
+ +----------------------------------+
+ | Multiplexor |
+ +----------------------------------+
+ | | | | |
+ +---------+ | | | ------------+
+ | | | | |
+ +----------+ +----------+ +----------+ +----------+ +----------+
+ | Psock | | Psock | | Psock | | Psock | | Psock |
+ +----------+ +----------+ +----------+ +----------+ +----------+
+ | | | | |
+ +----------+ +----------+ +----------+ +----------+ +----------+
+ | TCP sock | | TCP sock | | TCP sock | | TCP sock | | TCP sock |
+ +----------+ +----------+ +----------+ +----------+ +----------+
KCM sockets
------------
+===========
The KCM sockets provide the user interface to the multiplexor. All the KCM sockets
bound to a multiplexor are considered to have equivalent function, and I/O
@@ -37,7 +40,7 @@ operations in different sockets may be done in parallel without the need for
synchronization between threads in userspace.
Multiplexor
------------
+===========
The multiplexor provides the message steering. In the transmit path, messages
written on a KCM socket are sent atomically on an appropriate TCP socket.
@@ -45,14 +48,14 @@ Similarly, in the receive path, messages are constructed on each TCP socket
(Psock) and complete messages are steered to a KCM socket.
TCP sockets & Psocks
---------------------
+====================
TCP sockets may be bound to a KCM multiplexor. A Psock structure is allocated
for each bound TCP socket, this structure holds the state for constructing
messages on receive as well as other connection specific information for KCM.
Connected mode semantics
-------------------------
+========================
Each multiplexor assumes that all attached TCP connections are to the same
destination and can use the different connections for load balancing when
@@ -60,7 +63,7 @@ transmitting. The normal send and recv calls (include sendmmsg and recvmmsg)
can be used to send and receive messages from the KCM socket.
Socket types
-------------
+============
KCM supports SOCK_DGRAM and SOCK_SEQPACKET socket types.
@@ -110,23 +113,23 @@ User interface
Creating a multiplexor
----------------------
-A new multiplexor and initial KCM socket is created by a socket call:
+A new multiplexor and initial KCM socket is created by a socket call::
socket(AF_KCM, type, protocol)
- - type is either SOCK_DGRAM or SOCK_SEQPACKET
- - protocol is KCMPROTO_CONNECTED
+- type is either SOCK_DGRAM or SOCK_SEQPACKET
+- protocol is KCMPROTO_CONNECTED
Cloning KCM sockets
-------------------
After the first KCM socket is created using the socket call as described
above, additional sockets for the multiplexor can be created by cloning
-a KCM socket. This is accomplished by an ioctl on a KCM socket:
+a KCM socket. This is accomplished by an ioctl on a KCM socket::
/* From linux/kcm.h */
struct kcm_clone {
- int fd;
+ int fd;
};
struct kcm_clone info;
@@ -142,11 +145,11 @@ Attach transport sockets
------------------------
Attaching of transport sockets to a multiplexor is performed by calling an
-ioctl on a KCM socket for the multiplexor. e.g.:
+ioctl on a KCM socket for the multiplexor. e.g.::
/* From linux/kcm.h */
struct kcm_attach {
- int fd;
+ int fd;
int bpf_fd;
};
@@ -160,18 +163,19 @@ ioctl on a KCM socket for the multiplexor. e.g.:
ioctl(kcmfd, SIOCKCMATTACH, &info);
The kcm_attach structure contains:
- fd: file descriptor for TCP socket being attached
- bpf_prog_fd: file descriptor for compiled BPF program downloaded
+
+ - fd: file descriptor for TCP socket being attached
+ - bpf_prog_fd: file descriptor for compiled BPF program downloaded
Unattach transport sockets
--------------------------
Unattaching a transport socket from a multiplexor is straightforward. An
-"unattach" ioctl is done with the kcm_unattach structure as the argument:
+"unattach" ioctl is done with the kcm_unattach structure as the argument::
/* From linux/kcm.h */
struct kcm_unattach {
- int fd;
+ int fd;
};
struct kcm_unattach info;
@@ -190,7 +194,7 @@ When receive is disabled, any pending messages in the socket's
receive buffer are moved to other sockets. This feature is useful
if an application thread knows that it will be doing a lot of
work on a request and won't be able to service new messages for a
-while. Example use:
+while. Example use::
int val = 1;
@@ -200,7 +204,7 @@ BFP programs for message delineation
------------------------------------
BPF programs can be compiled using the BPF LLVM backend. For example,
-the BPF program for parsing Thrift is:
+the BPF program for parsing Thrift is::
#include "bpf.h" /* for __sk_buff */
#include "bpf_helpers.h" /* for load_word intrinsic */
@@ -250,6 +254,7 @@ based on groups, or batches of messages, can be beneficial for performance.
On transmit, there are three ways an application can batch (pipeline)
messages on a KCM socket.
+
1) Send multiple messages in a single sendmmsg.
2) Send a group of messages each with a sendmsg call, where all messages
except the last have MSG_BATCH in the flags of sendmsg call.
diff --git a/Documentation/networking/l2tp.txt b/Documentation/networking/l2tp.rst
index 9bc271cdc9a8..a48238a2ec09 100644
--- a/Documentation/networking/l2tp.txt
+++ b/Documentation/networking/l2tp.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====
+L2TP
+====
+
This document describes how to use the kernel's L2TP drivers to
provide L2TP functionality. L2TP is a protocol that tunnels one or
more sessions over an IP tunnel. It is commonly used for VPNs
@@ -121,14 +127,16 @@ Userspace may control behavior of the tunnel or session using
setsockopt and ioctl on the PPPoX socket. The following socket
options are supported:-
-DEBUG - bitmask of debug message categories. See below.
-SENDSEQ - 0 => don't send packets with sequence numbers
- 1 => send packets with sequence numbers
-RECVSEQ - 0 => receive packet sequence numbers are optional
- 1 => drop receive packets without sequence numbers
-LNSMODE - 0 => act as LAC.
- 1 => act as LNS.
-REORDERTO - reorder timeout (in millisecs). If 0, don't try to reorder.
+========= ===========================================================
+DEBUG bitmask of debug message categories. See below.
+SENDSEQ - 0 => don't send packets with sequence numbers
+ - 1 => send packets with sequence numbers
+RECVSEQ - 0 => receive packet sequence numbers are optional
+ - 1 => drop receive packets without sequence numbers
+LNSMODE - 0 => act as LAC.
+ - 1 => act as LNS.
+REORDERTO reorder timeout (in millisecs). If 0, don't try to reorder.
+========= ===========================================================
Only the DEBUG option is supported by the special tunnel management
PPPoX socket.
@@ -177,20 +185,22 @@ setsockopt on the PPPoX socket to set a debug mask.
The following debug mask bits are available:
+================ ==============================
L2TP_MSG_DEBUG verbose debug (if compiled in)
L2TP_MSG_CONTROL userspace - kernel interface
L2TP_MSG_SEQ sequence numbers handling
L2TP_MSG_DATA data packets
+================ ==============================
If enabled, files under a l2tp debugfs directory can be used to dump
kernel state about L2TP tunnels and sessions. To access it, the
-debugfs filesystem must first be mounted.
+debugfs filesystem must first be mounted::
-# mount -t debugfs debugfs /debug
+ # mount -t debugfs debugfs /debug
-Files under the l2tp directory can then be accessed.
+Files under the l2tp directory can then be accessed::
-# cat /debug/l2tp/tunnels
+ # cat /debug/l2tp/tunnels
The debugfs files should not be used by applications to obtain L2TP
state information because the file format is subject to change. It is
@@ -211,14 +221,14 @@ iproute2's ip utility to support this.
To create an L2TPv3 ethernet pseudowire between local host 192.168.1.1
and peer 192.168.1.2, using IP addresses 10.5.1.1 and 10.5.1.2 for the
-tunnel endpoints:-
+tunnel endpoints::
-# ip l2tp add tunnel tunnel_id 1 peer_tunnel_id 1 udp_sport 5000 \
- udp_dport 5000 encap udp local 192.168.1.1 remote 192.168.1.2
-# ip l2tp add session tunnel_id 1 session_id 1 peer_session_id 1
-# ip -s -d show dev l2tpeth0
-# ip addr add 10.5.1.2/32 peer 10.5.1.1/32 dev l2tpeth0
-# ip li set dev l2tpeth0 up
+ # ip l2tp add tunnel tunnel_id 1 peer_tunnel_id 1 udp_sport 5000 \
+ udp_dport 5000 encap udp local 192.168.1.1 remote 192.168.1.2
+ # ip l2tp add session tunnel_id 1 session_id 1 peer_session_id 1
+ # ip -s -d show dev l2tpeth0
+ # ip addr add 10.5.1.2/32 peer 10.5.1.1/32 dev l2tpeth0
+ # ip li set dev l2tpeth0 up
Choose IP addresses to be the address of a local IP interface and that
of the remote system. The IP addresses of the l2tpeth0 interface can be
@@ -228,75 +238,78 @@ Repeat the above at the peer, with ports, tunnel/session ids and IP
addresses reversed. The tunnel and session IDs can be any non-zero
32-bit number, but the values must be reversed at the peer.
+======================== ===================
Host 1 Host2
+======================== ===================
udp_sport=5000 udp_sport=5001
udp_dport=5001 udp_dport=5000
tunnel_id=42 tunnel_id=45
peer_tunnel_id=45 peer_tunnel_id=42
session_id=128 session_id=5196755
peer_session_id=5196755 peer_session_id=128
+======================== ===================
When done at both ends of the tunnel, it should be possible to send
-data over the network. e.g.
+data over the network. e.g.::
-# ping 10.5.1.1
+ # ping 10.5.1.1
Sample Userspace Code
=====================
-1. Create tunnel management PPPoX socket
-
- kernel_fd = socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OL2TP);
- if (kernel_fd >= 0) {
- struct sockaddr_pppol2tp sax;
- struct sockaddr_in const *peer_addr;
-
- peer_addr = l2tp_tunnel_get_peer_addr(tunnel);
- memset(&sax, 0, sizeof(sax));
- sax.sa_family = AF_PPPOX;
- sax.sa_protocol = PX_PROTO_OL2TP;
- sax.pppol2tp.fd = udp_fd; /* fd of tunnel UDP socket */
- sax.pppol2tp.addr.sin_addr.s_addr = peer_addr->sin_addr.s_addr;
- sax.pppol2tp.addr.sin_port = peer_addr->sin_port;
- sax.pppol2tp.addr.sin_family = AF_INET;
- sax.pppol2tp.s_tunnel = tunnel_id;
- sax.pppol2tp.s_session = 0; /* special case: mgmt socket */
- sax.pppol2tp.d_tunnel = 0;
- sax.pppol2tp.d_session = 0; /* special case: mgmt socket */
-
- if(connect(kernel_fd, (struct sockaddr *)&sax, sizeof(sax) ) < 0 ) {
- perror("connect failed");
- result = -errno;
- goto err;
- }
- }
-
-2. Create session PPPoX data socket
-
- struct sockaddr_pppol2tp sax;
- int fd;
-
- /* Note, the target socket must be bound already, else it will not be ready */
- sax.sa_family = AF_PPPOX;
- sax.sa_protocol = PX_PROTO_OL2TP;
- sax.pppol2tp.fd = tunnel_fd;
- sax.pppol2tp.addr.sin_addr.s_addr = addr->sin_addr.s_addr;
- sax.pppol2tp.addr.sin_port = addr->sin_port;
- sax.pppol2tp.addr.sin_family = AF_INET;
- sax.pppol2tp.s_tunnel = tunnel_id;
- sax.pppol2tp.s_session = session_id;
- sax.pppol2tp.d_tunnel = peer_tunnel_id;
- sax.pppol2tp.d_session = peer_session_id;
-
- /* session_fd is the fd of the session's PPPoL2TP socket.
- * tunnel_fd is the fd of the tunnel UDP socket.
- */
- fd = connect(session_fd, (struct sockaddr *)&sax, sizeof(sax));
- if (fd < 0 ) {
- return -errno;
- }
- return 0;
+1. Create tunnel management PPPoX socket::
+
+ kernel_fd = socket(AF_PPPOX, SOCK_DGRAM, PX_PROTO_OL2TP);
+ if (kernel_fd >= 0) {
+ struct sockaddr_pppol2tp sax;
+ struct sockaddr_in const *peer_addr;
+
+ peer_addr = l2tp_tunnel_get_peer_addr(tunnel);
+ memset(&sax, 0, sizeof(sax));
+ sax.sa_family = AF_PPPOX;
+ sax.sa_protocol = PX_PROTO_OL2TP;
+ sax.pppol2tp.fd = udp_fd; /* fd of tunnel UDP socket */
+ sax.pppol2tp.addr.sin_addr.s_addr = peer_addr->sin_addr.s_addr;
+ sax.pppol2tp.addr.sin_port = peer_addr->sin_port;
+ sax.pppol2tp.addr.sin_family = AF_INET;
+ sax.pppol2tp.s_tunnel = tunnel_id;
+ sax.pppol2tp.s_session = 0; /* special case: mgmt socket */
+ sax.pppol2tp.d_tunnel = 0;
+ sax.pppol2tp.d_session = 0; /* special case: mgmt socket */
+
+ if(connect(kernel_fd, (struct sockaddr *)&sax, sizeof(sax) ) < 0 ) {
+ perror("connect failed");
+ result = -errno;
+ goto err;
+ }
+ }
+
+2. Create session PPPoX data socket::
+
+ struct sockaddr_pppol2tp sax;
+ int fd;
+
+ /* Note, the target socket must be bound already, else it will not be ready */
+ sax.sa_family = AF_PPPOX;
+ sax.sa_protocol = PX_PROTO_OL2TP;
+ sax.pppol2tp.fd = tunnel_fd;
+ sax.pppol2tp.addr.sin_addr.s_addr = addr->sin_addr.s_addr;
+ sax.pppol2tp.addr.sin_port = addr->sin_port;
+ sax.pppol2tp.addr.sin_family = AF_INET;
+ sax.pppol2tp.s_tunnel = tunnel_id;
+ sax.pppol2tp.s_session = session_id;
+ sax.pppol2tp.d_tunnel = peer_tunnel_id;
+ sax.pppol2tp.d_session = peer_session_id;
+
+ /* session_fd is the fd of the session's PPPoL2TP socket.
+ * tunnel_fd is the fd of the tunnel UDP socket.
+ */
+ fd = connect(session_fd, (struct sockaddr *)&sax, sizeof(sax));
+ if (fd < 0 ) {
+ return -errno;
+ }
+ return 0;
Internal Implementation
=======================
diff --git a/Documentation/networking/lapb-module.txt b/Documentation/networking/lapb-module.rst
index d4fc8f221559..ff586bc9f005 100644
--- a/Documentation/networking/lapb-module.txt
+++ b/Documentation/networking/lapb-module.rst
@@ -1,8 +1,14 @@
- The Linux LAPB Module Interface 1.3
+.. SPDX-License-Identifier: GPL-2.0
- Jonathan Naylor 29.12.96
+===============================
+The Linux LAPB Module Interface
+===============================
-Changed (Henner Eisen, 2000-10-29): int return value for data_indication()
+Version 1.3
+
+Jonathan Naylor 29.12.96
+
+Changed (Henner Eisen, 2000-10-29): int return value for data_indication()
The LAPB module will be a separately compiled module for use by any parts of
the Linux operating system that require a LAPB service. This document
@@ -32,16 +38,16 @@ LAPB Initialisation Structure
This structure is used only once, in the call to lapb_register (see below).
It contains information about the device driver that requires the services
-of the LAPB module.
+of the LAPB module::
-struct lapb_register_struct {
- void (*connect_confirmation)(int token, int reason);
- void (*connect_indication)(int token, int reason);
- void (*disconnect_confirmation)(int token, int reason);
- void (*disconnect_indication)(int token, int reason);
- int (*data_indication)(int token, struct sk_buff *skb);
- void (*data_transmit)(int token, struct sk_buff *skb);
-};
+ struct lapb_register_struct {
+ void (*connect_confirmation)(int token, int reason);
+ void (*connect_indication)(int token, int reason);
+ void (*disconnect_confirmation)(int token, int reason);
+ void (*disconnect_indication)(int token, int reason);
+ int (*data_indication)(int token, struct sk_buff *skb);
+ void (*data_transmit)(int token, struct sk_buff *skb);
+ };
Each member of this structure corresponds to a function in the device driver
that is called when a particular event in the LAPB module occurs. These will
@@ -54,19 +60,19 @@ LAPB Parameter Structure
This structure is used with the lapb_getparms and lapb_setparms functions
(see below). They are used to allow the device driver to get and set the
-operational parameters of the LAPB implementation for a given connection.
-
-struct lapb_parms_struct {
- unsigned int t1;
- unsigned int t1timer;
- unsigned int t2;
- unsigned int t2timer;
- unsigned int n2;
- unsigned int n2count;
- unsigned int window;
- unsigned int state;
- unsigned int mode;
-};
+operational parameters of the LAPB implementation for a given connection::
+
+ struct lapb_parms_struct {
+ unsigned int t1;
+ unsigned int t1timer;
+ unsigned int t2;
+ unsigned int t2timer;
+ unsigned int n2;
+ unsigned int n2count;
+ unsigned int window;
+ unsigned int state;
+ unsigned int mode;
+ };
T1 and T2 are protocol timing parameters and are given in units of 100ms. N2
is the maximum number of tries on the link before it is declared a failure.
@@ -78,11 +84,14 @@ link.
The mode variable is a bit field used for setting (at present) three values.
The bit fields have the following meanings:
+====== =================================================
Bit Meaning
+====== =================================================
0 LAPB operation (0=LAPB_STANDARD 1=LAPB_EXTENDED).
1 [SM]LP operation (0=LAPB_SLP 1=LAPB=MLP).
2 DTE/DCE operation (0=LAPB_DTE 1=LAPB_DCE)
3-31 Reserved, must be 0.
+====== =================================================
Extended LAPB operation indicates the use of extended sequence numbers and
consequently larger window sizes, the default is standard LAPB operation.
@@ -99,8 +108,9 @@ Functions
The LAPB module provides a number of function entry points.
+::
-int lapb_register(void *token, struct lapb_register_struct);
+ int lapb_register(void *token, struct lapb_register_struct);
This must be called before the LAPB module may be used. If the call is
successful then LAPB_OK is returned. The token must be a unique identifier
@@ -111,33 +121,42 @@ For multiple LAPB links in a single device driver, multiple calls to
lapb_register must be made. The format of the lapb_register_struct is given
above. The return values are:
+============= =============================
LAPB_OK LAPB registered successfully.
LAPB_BADTOKEN Token is already registered.
LAPB_NOMEM Out of memory
+============= =============================
+::
-int lapb_unregister(void *token);
+ int lapb_unregister(void *token);
This releases all the resources associated with a LAPB link. Any current
LAPB link will be abandoned without further messages being passed. After
this call, the value of token is no longer valid for any calls to the LAPB
function. The valid return values are:
+============= ===============================
LAPB_OK LAPB unregistered successfully.
LAPB_BADTOKEN Invalid/unknown LAPB token.
+============= ===============================
+::
-int lapb_getparms(void *token, struct lapb_parms_struct *parms);
+ int lapb_getparms(void *token, struct lapb_parms_struct *parms);
This allows the device driver to get the values of the current LAPB
variables, the lapb_parms_struct is described above. The valid return values
are:
+============= =============================
LAPB_OK LAPB getparms was successful.
LAPB_BADTOKEN Invalid/unknown LAPB token.
+============= =============================
+::
-int lapb_setparms(void *token, struct lapb_parms_struct *parms);
+ int lapb_setparms(void *token, struct lapb_parms_struct *parms);
This allows the device driver to set the values of the current LAPB
variables, the lapb_parms_struct is described above. The values of t1timer,
@@ -145,42 +164,54 @@ t2timer and n2count are ignored, likewise changing the mode bits when
connected will be ignored. An error implies that none of the values have
been changed. The valid return values are:
+============= =================================================
LAPB_OK LAPB getparms was successful.
LAPB_BADTOKEN Invalid/unknown LAPB token.
LAPB_INVALUE One of the values was out of its allowable range.
+============= =================================================
+::
-int lapb_connect_request(void *token);
+ int lapb_connect_request(void *token);
Initiate a connect using the current parameter settings. The valid return
values are:
+============== =================================
LAPB_OK LAPB is starting to connect.
LAPB_BADTOKEN Invalid/unknown LAPB token.
LAPB_CONNECTED LAPB module is already connected.
+============== =================================
+::
-int lapb_disconnect_request(void *token);
+ int lapb_disconnect_request(void *token);
Initiate a disconnect. The valid return values are:
+================= ===============================
LAPB_OK LAPB is starting to disconnect.
LAPB_BADTOKEN Invalid/unknown LAPB token.
LAPB_NOTCONNECTED LAPB module is not connected.
+================= ===============================
+::
-int lapb_data_request(void *token, struct sk_buff *skb);
+ int lapb_data_request(void *token, struct sk_buff *skb);
Queue data with the LAPB module for transmitting over the link. If the call
is successful then the skbuff is owned by the LAPB module and may not be
used by the device driver again. The valid return values are:
+================= =============================
LAPB_OK LAPB has accepted the data.
LAPB_BADTOKEN Invalid/unknown LAPB token.
LAPB_NOTCONNECTED LAPB module is not connected.
+================= =============================
+::
-int lapb_data_received(void *token, struct sk_buff *skb);
+ int lapb_data_received(void *token, struct sk_buff *skb);
Queue data with the LAPB module which has been received from the device. It
is expected that the data passed to the LAPB module has skb->data pointing
@@ -188,9 +219,10 @@ to the beginning of the LAPB data. If the call is successful then the skbuff
is owned by the LAPB module and may not be used by the device driver again.
The valid return values are:
+============= ===========================
LAPB_OK LAPB has accepted the data.
LAPB_BADTOKEN Invalid/unknown LAPB token.
-
+============= ===========================
Callbacks
---------
@@ -200,49 +232,58 @@ module to call when an event occurs. They are registered with the LAPB
module with lapb_register (see above) in the structure lapb_register_struct
(see above).
+::
-void (*connect_confirmation)(void *token, int reason);
+ void (*connect_confirmation)(void *token, int reason);
This is called by the LAPB module when a connection is established after
being requested by a call to lapb_connect_request (see above). The reason is
always LAPB_OK.
+::
-void (*connect_indication)(void *token, int reason);
+ void (*connect_indication)(void *token, int reason);
This is called by the LAPB module when the link is established by the remote
system. The value of reason is always LAPB_OK.
+::
-void (*disconnect_confirmation)(void *token, int reason);
+ void (*disconnect_confirmation)(void *token, int reason);
This is called by the LAPB module when an event occurs after the device
driver has called lapb_disconnect_request (see above). The reason indicates
what has happened. In all cases the LAPB link can be regarded as being
terminated. The values for reason are:
+================= ====================================================
LAPB_OK The LAPB link was terminated normally.
LAPB_NOTCONNECTED The remote system was not connected.
LAPB_TIMEDOUT No response was received in N2 tries from the remote
system.
+================= ====================================================
+::
-void (*disconnect_indication)(void *token, int reason);
+ void (*disconnect_indication)(void *token, int reason);
This is called by the LAPB module when the link is terminated by the remote
system or another event has occurred to terminate the link. This may be
returned in response to a lapb_connect_request (see above) if the remote
system refused the request. The values for reason are:
+================= ====================================================
LAPB_OK The LAPB link was terminated normally by the remote
system.
LAPB_REFUSED The remote system refused the connect request.
LAPB_NOTCONNECTED The remote system was not connected.
LAPB_TIMEDOUT No response was received in N2 tries from the remote
system.
+================= ====================================================
+::
-int (*data_indication)(void *token, struct sk_buff *skb);
+ int (*data_indication)(void *token, struct sk_buff *skb);
This is called by the LAPB module when data has been received from the
remote system that should be passed onto the next layer in the protocol
@@ -254,8 +295,9 @@ This method should return NET_RX_DROP (as defined in the header
file include/linux/netdevice.h) if and only if the frame was dropped
before it could be delivered to the upper layer.
+::
-void (*data_transmit)(void *token, struct sk_buff *skb);
+ void (*data_transmit)(void *token, struct sk_buff *skb);
This is called by the LAPB module when data is to be transmitted to the
remote system by the device driver. The skbuff becomes the property of the
diff --git a/Documentation/networking/ltpc.txt b/Documentation/networking/ltpc.rst
index 0bf3220c715b..0ad197fd17ce 100644
--- a/Documentation/networking/ltpc.txt
+++ b/Documentation/networking/ltpc.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========
+LTPC Driver
+===========
+
This is the ALPHA version of the ltpc driver.
In order to use it, you will need at least version 1.3.3 of the
@@ -15,7 +21,7 @@ yourself. (see "Card Configuration" below for how to determine or
change the settings on your card)
When the driver is compiled into the kernel, you can add a line such
-as the following to your /etc/lilo.conf:
+as the following to your /etc/lilo.conf::
append="ltpc=0x240,9,1"
@@ -25,13 +31,13 @@ the driver will try to determine them itself.
If you load the driver as a module, you can pass the parameters "io=",
"irq=", and "dma=" on the command line with insmod or modprobe, or add
-them as options in a configuration file in /etc/modprobe.d/ directory:
+them as options in a configuration file in /etc/modprobe.d/ directory::
alias lt0 ltpc # autoload the module when the interface is configured
options ltpc io=0x240 irq=9 dma=1
Before starting up the netatalk demons (perhaps in rc.local), you
-need to add a line such as:
+need to add a line such as::
/sbin/ifconfig lt0 127.0.0.42
@@ -42,7 +48,7 @@ The appropriate netatalk configuration depends on whether you are
attached to a network that includes AppleTalk routers or not. If,
like me, you are simply connecting to your home Macintoshes and
printers, you need to set up netatalk to "seed". The way I do this
-is to have the lines
+is to have the lines::
dummy -seed -phase 2 -net 2000 -addr 2000.26 -zone "1033"
lt0 -seed -phase 1 -net 1033 -addr 1033.27 -zone "1033"
@@ -57,13 +63,13 @@ such.
If you are attached to an extended AppleTalk network, with routers on
it, then you don't need to fool around with this -- the appropriate
-line in atalkd.conf is
+line in atalkd.conf is::
lt0 -phase 1
---------------------------------------
-Card Configuration:
+Card Configuration
+==================
The interrupts and so forth are configured via the dipswitch on the
board. Set the switches so as not to conflict with other hardware.
@@ -73,38 +79,44 @@ board. Set the switches so as not to conflict with other hardware.
original documentation refers to IRQ2. Since you'll be running
this on an AT (or later) class machine, that really means IRQ9.
+ === ===========================================================
SW1 IRQ 4
SW2 IRQ 3
SW3 IRQ 9 (2 in original card documentation only applies to XT)
+ === ===========================================================
DMA -- choose DMA 1 or 3, and set both corresponding switches.
+ === =====
SW4 DMA 3
SW5 DMA 1
SW6 DMA 3
SW7 DMA 1
+ === =====
I/O address -- choose one.
+ === =========
SW8 220 / 240
+ === =========
---------------------------------------
-IP:
+IP
+==
Yes, it is possible to do IP over LocalTalk. However, you can't just
treat the LocalTalk device like an ordinary Ethernet device, even if
that's what it looks like to Netatalk.
Instead, you follow the same procedure as for doing IP in EtherTalk.
-See Documentation/networking/ipddp.txt for more information about the
+See Documentation/networking/ipddp.rst for more information about the
kernel driver and userspace tools needed.
---------------------------------------
-BUGS:
+Bugs
+====
IRQ autoprobing often doesn't work on a cold boot. To get around
this, either compile the driver as a module, or pass the parameters
@@ -120,12 +132,13 @@ It may theoretically be possible to use two LTPC cards in the same
machine, but this is unsupported, so if you really want to do this,
you'll probably have to hack the initialization code a bit.
-______________________________________
-THANKS:
- Thanks to Alan Cox for helpful discussions early on in this
+Thanks
+======
+
+Thanks to Alan Cox for helpful discussions early on in this
work, and to Denis Hainsworth for doing the bleeding-edge testing.
--- Bradford Johnson <bradford@math.umn.edu>
+Bradford Johnson <bradford@math.umn.edu>
--- Updated 11/09/1998 by David Huggins-Daines <dhd@debian.org>
+Updated 11/09/1998 by David Huggins-Daines <dhd@debian.org>
diff --git a/Documentation/networking/mac80211-injection.txt b/Documentation/networking/mac80211-injection.rst
index d58d78df9ca2..be65f886ff1f 100644
--- a/Documentation/networking/mac80211-injection.txt
+++ b/Documentation/networking/mac80211-injection.rst
@@ -1,16 +1,19 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================================
How to use packet injection with mac80211
=========================================
mac80211 now allows arbitrary packets to be injected down any Monitor Mode
interface from userland. The packet you inject needs to be composed in the
-following format:
+following format::
[ radiotap header ]
[ ieee80211 header ]
[ payload ]
The radiotap format is discussed in
-./Documentation/networking/radiotap-headers.txt.
+./Documentation/networking/radiotap-headers.rst.
Despite many radiotap parameters being currently defined, most only make sense
to appear on received packets. The following information is parsed from the
@@ -18,15 +21,19 @@ radiotap headers and used to control injection:
* IEEE80211_RADIOTAP_FLAGS
- IEEE80211_RADIOTAP_F_FCS: FCS will be removed and recalculated
- IEEE80211_RADIOTAP_F_WEP: frame will be encrypted if key available
- IEEE80211_RADIOTAP_F_FRAG: frame will be fragmented if longer than the
+ ========================= ===========================================
+ IEEE80211_RADIOTAP_F_FCS FCS will be removed and recalculated
+ IEEE80211_RADIOTAP_F_WEP frame will be encrypted if key available
+ IEEE80211_RADIOTAP_F_FRAG frame will be fragmented if longer than the
current fragmentation threshold.
+ ========================= ===========================================
* IEEE80211_RADIOTAP_TX_FLAGS
- IEEE80211_RADIOTAP_F_TX_NOACK: frame should be sent without waiting for
+ ============================= ========================================
+ IEEE80211_RADIOTAP_F_TX_NOACK frame should be sent without waiting for
an ACK even if it is a unicast frame
+ ============================= ========================================
* IEEE80211_RADIOTAP_RATE
@@ -37,8 +44,10 @@ radiotap headers and used to control injection:
HT rate for the transmission (only for devices without own rate control).
Also some flags are parsed
- IEEE80211_RADIOTAP_MCS_SGI: use short guard interval
- IEEE80211_RADIOTAP_MCS_BW_40: send in HT40 mode
+ ============================ ========================
+ IEEE80211_RADIOTAP_MCS_SGI use short guard interval
+ IEEE80211_RADIOTAP_MCS_BW_40 send in HT40 mode
+ ============================ ========================
* IEEE80211_RADIOTAP_DATA_RETRIES
@@ -51,17 +60,17 @@ radiotap headers and used to control injection:
without own rate control). Also other fields are parsed
flags field
- IEEE80211_RADIOTAP_VHT_FLAG_SGI: use short guard interval
+ IEEE80211_RADIOTAP_VHT_FLAG_SGI: use short guard interval
bandwidth field
- 1: send using 40MHz channel width
- 4: send using 80MHz channel width
- 11: send using 160MHz channel width
+ * 1: send using 40MHz channel width
+ * 4: send using 80MHz channel width
+ * 11: send using 160MHz channel width
The injection code can also skip all other currently defined radiotap fields
facilitating replay of captured radiotap headers directly.
-Here is an example valid radiotap header defining some parameters
+Here is an example valid radiotap header defining some parameters::
0x00, 0x00, // <-- radiotap version
0x0b, 0x00, // <- radiotap header length
@@ -71,7 +80,7 @@ Here is an example valid radiotap header defining some parameters
0x01 //<-- antenna
The ieee80211 header follows immediately afterwards, looking for example like
-this:
+this::
0x08, 0x01, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
@@ -84,10 +93,10 @@ Then lastly there is the payload.
After composing the packet contents, it is sent by send()-ing it to a logical
mac80211 interface that is in Monitor mode. Libpcap can also be used,
(which is easier than doing the work to bind the socket to the right
-interface), along the following lines:
+interface), along the following lines:::
ppcap = pcap_open_live(szInterfaceName, 800, 1, 20, szErrbuf);
-...
+ ...
r = pcap_inject(ppcap, u8aSendBuffer, nLength);
You can also find a link to a complete inject application here:
diff --git a/Documentation/networking/mpls-sysctl.txt b/Documentation/networking/mpls-sysctl.rst
index 025cc9b96992..0a2ac88404d7 100644
--- a/Documentation/networking/mpls-sysctl.txt
+++ b/Documentation/networking/mpls-sysctl.rst
@@ -1,4 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+MPLS Sysfs variables
+====================
+
/proc/sys/net/mpls/* Variables:
+===============================
platform_labels - INTEGER
Number of entries in the platform label table. It is not
@@ -17,6 +24,7 @@ platform_labels - INTEGER
no longer fit in the table.
Possible values: 0 - 1048575
+
Default: 0
ip_ttl_propagate - BOOL
@@ -27,8 +35,8 @@ ip_ttl_propagate - BOOL
If disabled, the MPLS transport network will appear as a
single hop to transit traffic.
- 0 - disabled / RFC 3443 [Short] Pipe Model
- 1 - enabled / RFC 3443 Uniform Model (default)
+ * 0 - disabled / RFC 3443 [Short] Pipe Model
+ * 1 - enabled / RFC 3443 Uniform Model (default)
default_ttl - INTEGER
Default TTL value to use for MPLS packets where it cannot be
@@ -36,6 +44,7 @@ default_ttl - INTEGER
or ip_ttl_propagate has been disabled.
Possible values: 1 - 255
+
Default: 255
conf/<interface>/input - BOOL
@@ -44,5 +53,5 @@ conf/<interface>/input - BOOL
If disabled, packets will be discarded without further
processing.
- 0 - disabled (default)
- not 0 - enabled
+ * 0 - disabled (default)
+ * not 0 - enabled
diff --git a/Documentation/networking/multiqueue.txt b/Documentation/networking/multiqueue.rst
index 4caa0e314cc2..0a576166e9dd 100644
--- a/Documentation/networking/multiqueue.txt
+++ b/Documentation/networking/multiqueue.rst
@@ -1,17 +1,17 @@
+.. SPDX-License-Identifier: GPL-2.0
- HOWTO for multiqueue network device support
- ===========================================
+===========================================
+HOWTO for multiqueue network device support
+===========================================
Section 1: Base driver requirements for implementing multiqueue support
+=======================================================================
Intro: Kernel support for multiqueue devices
---------------------------------------------------------
Kernel support for multiqueue devices is always present.
-Section 1: Base driver requirements for implementing multiqueue support
------------------------------------------------------------------------
-
Base drivers are required to use the new alloc_etherdev_mq() or
alloc_netdev_mq() functions to allocate the subqueues for the device. The
underlying kernel API will take care of the allocation and deallocation of
@@ -26,8 +26,7 @@ comes online or when it's completely shut down (unregister_netdev(), etc.).
Section 2: Qdisc support for multiqueue devices
-
------------------------------------------------
+===============================================
Currently two qdiscs are optimized for multiqueue devices. The first is the
default pfifo_fast qdisc. This qdisc supports one qdisc per hardware queue.
@@ -46,22 +45,22 @@ will be queued to the band associated with the hardware queue.
Section 3: Brief howto using MULTIQ for multiqueue devices
----------------------------------------------------------------
+==========================================================
The userspace command 'tc,' part of the iproute2 package, is used to configure
qdiscs. To add the MULTIQ qdisc to your network device, assuming the device
-is called eth0, run the following command:
+is called eth0, run the following command::
-# tc qdisc add dev eth0 root handle 1: multiq
+ # tc qdisc add dev eth0 root handle 1: multiq
The qdisc will allocate the number of bands to equal the number of queues that
the device reports, and bring the qdisc online. Assuming eth0 has 4 Tx
-queues, the band mapping would look like:
+queues, the band mapping would look like::
-band 0 => queue 0
-band 1 => queue 1
-band 2 => queue 2
-band 3 => queue 3
+ band 0 => queue 0
+ band 1 => queue 1
+ band 2 => queue 2
+ band 3 => queue 3
Traffic will begin flowing through each queue based on either the simple_tx_hash
function or based on netdev->select_queue() if you have it defined.
@@ -69,11 +68,11 @@ function or based on netdev->select_queue() if you have it defined.
The behavior of tc filters remains the same. However a new tc action,
skbedit, has been added. Assuming you wanted to route all traffic to a
specific host, for example 192.168.0.3, through a specific queue you could use
-this action and establish a filter such as:
+this action and establish a filter such as::
-tc filter add dev eth0 parent 1: protocol ip prio 1 u32 \
- match ip dst 192.168.0.3 \
- action skbedit queue_mapping 3
+ tc filter add dev eth0 parent 1: protocol ip prio 1 u32 \
+ match ip dst 192.168.0.3 \
+ action skbedit queue_mapping 3
-Author: Alexander Duyck <alexander.h.duyck@intel.com>
-Original Author: Peter P. Waskiewicz Jr. <peter.p.waskiewicz.jr@intel.com>
+:Author: Alexander Duyck <alexander.h.duyck@intel.com>
+:Original Author: Peter P. Waskiewicz Jr. <peter.p.waskiewicz.jr@intel.com>
diff --git a/Documentation/networking/netconsole.txt b/Documentation/networking/netconsole.rst
index 296ea00fd3eb..1f5c4a04027c 100644
--- a/Documentation/networking/netconsole.txt
+++ b/Documentation/networking/netconsole.rst
@@ -1,7 +1,16 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========
+Netconsole
+==========
+
started by Ingo Molnar <mingo@redhat.com>, 2001.09.17
+
2.6 port and netpoll api by Matt Mackall <mpm@selenic.com>, Sep 9 2003
+
IPv6 support by Cong Wang <xiyou.wangcong@gmail.com>, Jan 1 2013
+
Extended console support by Tejun Heo <tj@kernel.org>, May 1 2015
Please send bug reports to Matt Mackall <mpm@selenic.com>
@@ -23,34 +32,34 @@ Sender and receiver configuration:
==================================
It takes a string configuration parameter "netconsole" in the
-following format:
+following format::
netconsole=[+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]
where
- + if present, enable extended console support
- src-port source for UDP packets (defaults to 6665)
- src-ip source IP to use (interface address)
- dev network interface (eth0)
- tgt-port port for logging agent (6666)
- tgt-ip IP address for logging agent
- tgt-macaddr ethernet MAC address for logging agent (broadcast)
+ + if present, enable extended console support
+ src-port source for UDP packets (defaults to 6665)
+ src-ip source IP to use (interface address)
+ dev network interface (eth0)
+ tgt-port port for logging agent (6666)
+ tgt-ip IP address for logging agent
+ tgt-macaddr ethernet MAC address for logging agent (broadcast)
-Examples:
+Examples::
linux netconsole=4444@10.0.0.1/eth1,9353@10.0.0.2/12:34:56:78:9a:bc
- or
+or::
insmod netconsole netconsole=@/,@10.0.0.2/
- or using IPv6
+or using IPv6::
insmod netconsole netconsole=@/,@fd00:1:2:3::1/
It also supports logging to multiple remote agents by specifying
parameters for the multiple agents separated by semicolons and the
-complete string enclosed in "quotes", thusly:
+complete string enclosed in "quotes", thusly::
modprobe netconsole netconsole="@/,@10.0.0.2/;@/eth1,6892@10.0.0.3/"
@@ -67,14 +76,19 @@ for example:
On distributions using a BSD-based netcat version (e.g. Fedora,
openSUSE and Ubuntu) the listening port must be specified without
- the -p switch:
+ the -p switch::
+
+ nc -u -l -p <port>' / 'nc -u -l <port>
+
+ or::
- 'nc -u -l -p <port>' / 'nc -u -l <port>' or
- 'netcat -u -l -p <port>' / 'netcat -u -l <port>'
+ netcat -u -l -p <port>' / 'netcat -u -l <port>
3) socat
- 'socat udp-recv:<port> -'
+::
+
+ socat udp-recv:<port> -
Dynamic reconfiguration:
========================
@@ -92,7 +106,7 @@ netconsole module (or kernel, if netconsole is built-in).
Some examples follow (where configfs is mounted at the /sys/kernel/config
mountpoint).
-To add a remote logging target (target names can be arbitrary):
+To add a remote logging target (target names can be arbitrary)::
cd /sys/kernel/config/netconsole/
mkdir target1
@@ -102,12 +116,13 @@ above) and are disabled by default -- they must first be enabled by writing
"1" to the "enabled" attribute (usually after setting parameters accordingly)
as described below.
-To remove a target:
+To remove a target::
rmdir /sys/kernel/config/netconsole/othertarget/
The interface exposes these parameters of a netconsole target to userspace:
+ ============== ================================= ============
enabled Is this target currently enabled? (read-write)
extended Extended mode enabled (read-write)
dev_name Local network interface name (read-write)
@@ -117,12 +132,13 @@ The interface exposes these parameters of a netconsole target to userspace:
remote_ip Remote agent's IP address (read-write)
local_mac Local interface's MAC address (read-only)
remote_mac Remote agent's MAC address (read-write)
+ ============== ================================= ============
The "enabled" attribute is also used to control whether the parameters of
a target can be updated or not -- you can modify the parameters of only
disabled targets (i.e. if "enabled" is 0).
-To update a target's parameters:
+To update a target's parameters::
cat enabled # check if enabled is 1
echo 0 > enabled # disable the target (if required)
@@ -140,12 +156,12 @@ Extended console:
If '+' is prefixed to the configuration line or "extended" config file
is set to 1, extended console support is enabled. An example boot
-param follows.
+param follows::
linux netconsole=+4444@10.0.0.1/eth1,9353@10.0.0.2/12:34:56:78:9a:bc
Log messages are transmitted with extended metadata header in the
-following format which is the same as /dev/kmsg.
+following format which is the same as /dev/kmsg::
<level>,<sequnum>,<timestamp>,<contflag>;<message text>
@@ -155,12 +171,12 @@ newline is used as the delimeter.
If a message doesn't fit in certain number of bytes (currently 1000),
the message is split into multiple fragments by netconsole. These
-fragments are transmitted with "ncfrag" header field added.
+fragments are transmitted with "ncfrag" header field added::
ncfrag=<byte-offset>/<total-bytes>
For example, assuming a lot smaller chunk size, a message "the first
-chunk, the 2nd chunk." may be split as follows.
+chunk, the 2nd chunk." may be split as follows::
6,416,1758426,-,ncfrag=0/31;the first chunk,
6,416,1758426,-,ncfrag=16/31; the 2nd chunk.
@@ -168,39 +184,52 @@ chunk, the 2nd chunk." may be split as follows.
Miscellaneous notes:
====================
-WARNING: the default target ethernet setting uses the broadcast
-ethernet address to send packets, which can cause increased load on
-other systems on the same ethernet segment.
+.. Warning::
+
+ the default target ethernet setting uses the broadcast
+ ethernet address to send packets, which can cause increased load on
+ other systems on the same ethernet segment.
+
+.. Tip::
+
+ some LAN switches may be configured to suppress ethernet broadcasts
+ so it is advised to explicitly specify the remote agents' MAC addresses
+ from the config parameters passed to netconsole.
+
+.. Tip::
+
+ to find out the MAC address of, say, 10.0.0.2, you may try using::
+
+ ping -c 1 10.0.0.2 ; /sbin/arp -n | grep 10.0.0.2
-TIP: some LAN switches may be configured to suppress ethernet broadcasts
-so it is advised to explicitly specify the remote agents' MAC addresses
-from the config parameters passed to netconsole.
+.. Tip::
-TIP: to find out the MAC address of, say, 10.0.0.2, you may try using:
+ in case the remote logging agent is on a separate LAN subnet than
+ the sender, it is suggested to try specifying the MAC address of the
+ default gateway (you may use /sbin/route -n to find it out) as the
+ remote MAC address instead.
- ping -c 1 10.0.0.2 ; /sbin/arp -n | grep 10.0.0.2
+.. note::
-TIP: in case the remote logging agent is on a separate LAN subnet than
-the sender, it is suggested to try specifying the MAC address of the
-default gateway (you may use /sbin/route -n to find it out) as the
-remote MAC address instead.
+ the network device (eth1 in the above case) can run any kind
+ of other network traffic, netconsole is not intrusive. Netconsole
+ might cause slight delays in other traffic if the volume of kernel
+ messages is high, but should have no other impact.
-NOTE: the network device (eth1 in the above case) can run any kind
-of other network traffic, netconsole is not intrusive. Netconsole
-might cause slight delays in other traffic if the volume of kernel
-messages is high, but should have no other impact.
+.. note::
-NOTE: if you find that the remote logging agent is not receiving or
-printing all messages from the sender, it is likely that you have set
-the "console_loglevel" parameter (on the sender) to only send high
-priority messages to the console. You can change this at runtime using:
+ if you find that the remote logging agent is not receiving or
+ printing all messages from the sender, it is likely that you have set
+ the "console_loglevel" parameter (on the sender) to only send high
+ priority messages to the console. You can change this at runtime using::
- dmesg -n 8
+ dmesg -n 8
-or by specifying "debug" on the kernel command line at boot, to send
-all kernel messages to the console. A specific value for this parameter
-can also be set using the "loglevel" kernel boot option. See the
-dmesg(8) man page and Documentation/admin-guide/kernel-parameters.rst for details.
+ or by specifying "debug" on the kernel command line at boot, to send
+ all kernel messages to the console. A specific value for this parameter
+ can also be set using the "loglevel" kernel boot option. See the
+ dmesg(8) man page and Documentation/admin-guide/kernel-parameters.rst
+ for details.
Netconsole was designed to be as instantaneous as possible, to
enable the logging of even the most critical kernel bugs. It works
diff --git a/Documentation/networking/netdev-features.txt b/Documentation/networking/netdev-features.rst
index 58dd1c1e3c65..a2d7d7160e39 100644
--- a/Documentation/networking/netdev-features.txt
+++ b/Documentation/networking/netdev-features.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================================================
Netdev features mess and how to get out from it alive
=====================================================
@@ -6,8 +9,8 @@ Author:
- Part I: Feature sets
-======================
+Part I: Feature sets
+====================
Long gone are the days when a network card would just take and give packets
verbatim. Today's devices add multiple features and bugs (read: offloads)
@@ -39,8 +42,8 @@ one used internally by network core:
- Part II: Controlling enabled features
-=======================================
+Part II: Controlling enabled features
+=====================================
When current feature set (netdev->features) is to be changed, new set
is calculated and filtered by calling ndo_fix_features callback
@@ -65,8 +68,8 @@ driver except by means of ndo_fix_features callback.
- Part III: Implementation hints
-================================
+Part III: Implementation hints
+==============================
* ndo_fix_features:
@@ -94,8 +97,8 @@ Errors returned are not (and cannot be) propagated anywhere except dmesg.
- Part IV: Features
-===================
+Part IV: Features
+=================
For current list of features, see include/linux/netdev_features.h.
This section describes semantics of some of them.
diff --git a/Documentation/networking/netdevices.txt b/Documentation/networking/netdevices.rst
index 7fec2061a334..5a85fcc80c76 100644
--- a/Documentation/networking/netdevices.txt
+++ b/Documentation/networking/netdevices.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+=====================================
Network Devices, the Kernel, and You!
+=====================================
Introduction
@@ -75,11 +78,12 @@ ndo_start_xmit:
Don't use it for new drivers.
Context: Process with BHs disabled or BH (timer),
- will be called with interrupts disabled by netconsole.
+ will be called with interrupts disabled by netconsole.
- Return codes:
- o NETDEV_TX_OK everything ok.
- o NETDEV_TX_BUSY Cannot transmit packet, try later
+ Return codes:
+
+ * NETDEV_TX_OK everything ok.
+ * NETDEV_TX_BUSY Cannot transmit packet, try later
Usually a bug, means queue start/stop flow control is broken in
the driver. Note: the driver must NOT put the skb in its DMA ring.
@@ -95,10 +99,13 @@ ndo_set_rx_mode:
struct napi_struct synchronization rules
========================================
napi->poll:
- Synchronization: NAPI_STATE_SCHED bit in napi->state. Device
+ Synchronization:
+ NAPI_STATE_SCHED bit in napi->state. Device
driver's ndo_stop method will invoke napi_disable() on
all NAPI instances which will do a sleeping poll on the
NAPI_STATE_SCHED napi->state bit, waiting for all pending
NAPI activity to cease.
- Context: softirq
- will be called with interrupts disabled by netconsole.
+
+ Context:
+ softirq
+ will be called with interrupts disabled by netconsole.
diff --git a/Documentation/networking/netfilter-sysctl.txt b/Documentation/networking/netfilter-sysctl.rst
index 55791e50e169..beb6d7b275d4 100644
--- a/Documentation/networking/netfilter-sysctl.txt
+++ b/Documentation/networking/netfilter-sysctl.rst
@@ -1,8 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================
+Netfilter Sysfs variables
+=========================
+
/proc/sys/net/netfilter/* Variables:
+====================================
nf_log_all_netns - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
By default, only init_net namespace can log packets into kernel log
with LOG target; this aims to prevent containers from flooding host
diff --git a/Documentation/networking/netif-msg.rst b/Documentation/networking/netif-msg.rst
new file mode 100644
index 000000000000..b20d265a734d
--- /dev/null
+++ b/Documentation/networking/netif-msg.rst
@@ -0,0 +1,95 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===============
+NETIF Msg Level
+===============
+
+The design of the network interface message level setting.
+
+History
+-------
+
+ The design of the debugging message interface was guided and
+ constrained by backwards compatibility previous practice. It is useful
+ to understand the history and evolution in order to understand current
+ practice and relate it to older driver source code.
+
+ From the beginning of Linux, each network device driver has had a local
+ integer variable that controls the debug message level. The message
+ level ranged from 0 to 7, and monotonically increased in verbosity.
+
+ The message level was not precisely defined past level 3, but were
+ always implemented within +-1 of the specified level. Drivers tended
+ to shed the more verbose level messages as they matured.
+
+ - 0 Minimal messages, only essential information on fatal errors.
+ - 1 Standard messages, initialization status. No run-time messages
+ - 2 Special media selection messages, generally timer-driver.
+ - 3 Interface starts and stops, including normal status messages
+ - 4 Tx and Rx frame error messages, and abnormal driver operation
+ - 5 Tx packet queue information, interrupt events.
+ - 6 Status on each completed Tx packet and received Rx packets
+ - 7 Initial contents of Tx and Rx packets
+
+ Initially this message level variable was uniquely named in each driver
+ e.g. "lance_debug", so that a kernel symbolic debugger could locate and
+ modify the setting. When kernel modules became common, the variables
+ were consistently renamed to "debug" and allowed to be set as a module
+ parameter.
+
+ This approach worked well. However there is always a demand for
+ additional features. Over the years the following emerged as
+ reasonable and easily implemented enhancements
+
+ - Using an ioctl() call to modify the level.
+ - Per-interface rather than per-driver message level setting.
+ - More selective control over the type of messages emitted.
+
+ The netif_msg recommendation adds these features with only a minor
+ complexity and code size increase.
+
+ The recommendation is the following points
+
+ - Retaining the per-driver integer variable "debug" as a module
+ parameter with a default level of '1'.
+
+ - Adding a per-interface private variable named "msg_enable". The
+ variable is a bit map rather than a level, and is initialized as::
+
+ 1 << debug
+
+ Or more precisely::
+
+ debug < 0 ? 0 : 1 << min(sizeof(int)-1, debug)
+
+ Messages should changes from::
+
+ if (debug > 1)
+ printk(MSG_DEBUG "%s: ...
+
+ to::
+
+ if (np->msg_enable & NETIF_MSG_LINK)
+ printk(MSG_DEBUG "%s: ...
+
+
+The set of message levels is named
+
+
+ ========= =================== ============
+ Old level Name Bit position
+ ========= =================== ============
+ 0 NETIF_MSG_DRV 0x0001
+ 1 NETIF_MSG_PROBE 0x0002
+ 2 NETIF_MSG_LINK 0x0004
+ 2 NETIF_MSG_TIMER 0x0004
+ 3 NETIF_MSG_IFDOWN 0x0008
+ 3 NETIF_MSG_IFUP 0x0008
+ 4 NETIF_MSG_RX_ERR 0x0010
+ 4 NETIF_MSG_TX_ERR 0x0010
+ 5 NETIF_MSG_TX_QUEUED 0x0020
+ 5 NETIF_MSG_INTR 0x0020
+ 6 NETIF_MSG_TX_DONE 0x0040
+ 6 NETIF_MSG_RX_STATUS 0x0040
+ 7 NETIF_MSG_PKTDATA 0x0080
+ ========= =================== ============
diff --git a/Documentation/networking/netif-msg.txt b/Documentation/networking/netif-msg.txt
deleted file mode 100644
index c967ddb90d0b..000000000000
--- a/Documentation/networking/netif-msg.txt
+++ /dev/null
@@ -1,79 +0,0 @@
-
-________________
-NETIF Msg Level
-
-The design of the network interface message level setting.
-
-History
-
- The design of the debugging message interface was guided and
- constrained by backwards compatibility previous practice. It is useful
- to understand the history and evolution in order to understand current
- practice and relate it to older driver source code.
-
- From the beginning of Linux, each network device driver has had a local
- integer variable that controls the debug message level. The message
- level ranged from 0 to 7, and monotonically increased in verbosity.
-
- The message level was not precisely defined past level 3, but were
- always implemented within +-1 of the specified level. Drivers tended
- to shed the more verbose level messages as they matured.
- 0 Minimal messages, only essential information on fatal errors.
- 1 Standard messages, initialization status. No run-time messages
- 2 Special media selection messages, generally timer-driver.
- 3 Interface starts and stops, including normal status messages
- 4 Tx and Rx frame error messages, and abnormal driver operation
- 5 Tx packet queue information, interrupt events.
- 6 Status on each completed Tx packet and received Rx packets
- 7 Initial contents of Tx and Rx packets
-
- Initially this message level variable was uniquely named in each driver
- e.g. "lance_debug", so that a kernel symbolic debugger could locate and
- modify the setting. When kernel modules became common, the variables
- were consistently renamed to "debug" and allowed to be set as a module
- parameter.
-
- This approach worked well. However there is always a demand for
- additional features. Over the years the following emerged as
- reasonable and easily implemented enhancements
- Using an ioctl() call to modify the level.
- Per-interface rather than per-driver message level setting.
- More selective control over the type of messages emitted.
-
- The netif_msg recommendation adds these features with only a minor
- complexity and code size increase.
-
- The recommendation is the following points
- Retaining the per-driver integer variable "debug" as a module
- parameter with a default level of '1'.
-
- Adding a per-interface private variable named "msg_enable". The
- variable is a bit map rather than a level, and is initialized as
- 1 << debug
- Or more precisely
- debug < 0 ? 0 : 1 << min(sizeof(int)-1, debug)
-
- Messages should changes from
- if (debug > 1)
- printk(MSG_DEBUG "%s: ...
- to
- if (np->msg_enable & NETIF_MSG_LINK)
- printk(MSG_DEBUG "%s: ...
-
-
-The set of message levels is named
- Old level Name Bit position
- 0 NETIF_MSG_DRV 0x0001
- 1 NETIF_MSG_PROBE 0x0002
- 2 NETIF_MSG_LINK 0x0004
- 2 NETIF_MSG_TIMER 0x0004
- 3 NETIF_MSG_IFDOWN 0x0008
- 3 NETIF_MSG_IFUP 0x0008
- 4 NETIF_MSG_RX_ERR 0x0010
- 4 NETIF_MSG_TX_ERR 0x0010
- 5 NETIF_MSG_TX_QUEUED 0x0020
- 5 NETIF_MSG_INTR 0x0020
- 6 NETIF_MSG_TX_DONE 0x0040
- 6 NETIF_MSG_RX_STATUS 0x0040
- 7 NETIF_MSG_PKTDATA 0x0080
-
diff --git a/Documentation/networking/nf_conntrack-sysctl.txt b/Documentation/networking/nf_conntrack-sysctl.rst
index f75c2ce6e136..11a9b76786cb 100644
--- a/Documentation/networking/nf_conntrack-sysctl.txt
+++ b/Documentation/networking/nf_conntrack-sysctl.rst
@@ -1,8 +1,15 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===================================
+Netfilter Conntrack Sysfs variables
+===================================
+
/proc/sys/net/netfilter/nf_conntrack_* Variables:
+=================================================
nf_conntrack_acct - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
Enable connection tracking flow accounting. 64-bit byte and packet
counters per flow are added.
@@ -16,8 +23,8 @@ nf_conntrack_buckets - INTEGER
This sysctl is only writeable in the initial net namespace.
nf_conntrack_checksum - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ - 0 - disabled
+ - not 0 - enabled (default)
Verify checksum of incoming packets. Packets with bad checksums are
in INVALID state. If this is enabled, such packets will not be
@@ -27,8 +34,8 @@ nf_conntrack_count - INTEGER (read-only)
Number of currently allocated flow entries.
nf_conntrack_events - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ - 0 - disabled
+ - not 0 - enabled (default)
If this option is enabled, the connection tracking code will
provide userspace with connection tracking events via ctnetlink.
@@ -62,8 +69,8 @@ nf_conntrack_generic_timeout - INTEGER (seconds)
protocols.
nf_conntrack_helper - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
Enable automatic conntrack helper assignment.
If disabled it is required to set up iptables rules to assign
@@ -81,14 +88,14 @@ nf_conntrack_icmpv6_timeout - INTEGER (seconds)
Default for ICMP6 timeout.
nf_conntrack_log_invalid - INTEGER
- 0 - disable (default)
- 1 - log ICMP packets
- 6 - log TCP packets
- 17 - log UDP packets
- 33 - log DCCP packets
- 41 - log ICMPv6 packets
- 136 - log UDPLITE packets
- 255 - log packets of any protocol
+ - 0 - disable (default)
+ - 1 - log ICMP packets
+ - 6 - log TCP packets
+ - 17 - log UDP packets
+ - 33 - log DCCP packets
+ - 41 - log ICMPv6 packets
+ - 136 - log UDPLITE packets
+ - 255 - log packets of any protocol
Log invalid packets of a type specified by value.
@@ -97,15 +104,15 @@ nf_conntrack_max - INTEGER
nf_conntrack_buckets value * 4.
nf_conntrack_tcp_be_liberal - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
Be conservative in what you do, be liberal in what you accept from others.
If it's non-zero, we mark only out of window RST segments as INVALID.
nf_conntrack_tcp_loose - BOOLEAN
- 0 - disabled
- not 0 - enabled (default)
+ - 0 - disabled
+ - not 0 - enabled (default)
If it is set to zero, we disable picking up already established
connections.
@@ -148,8 +155,8 @@ nf_conntrack_tcp_timeout_unacknowledged - INTEGER (seconds)
default 300
nf_conntrack_timestamp - BOOLEAN
- 0 - disabled (default)
- not 0 - enabled
+ - 0 - disabled (default)
+ - not 0 - enabled
Enable connection tracking flow timestamping.
diff --git a/Documentation/networking/nf_flowtable.txt b/Documentation/networking/nf_flowtable.rst
index 0bf32d1121be..b6e1fa141aae 100644
--- a/Documentation/networking/nf_flowtable.txt
+++ b/Documentation/networking/nf_flowtable.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================================
Netfilter's flowtable infrastructure
====================================
@@ -31,15 +34,17 @@ to use this new alternative forwarding path via nftables policy.
This is represented in Fig.1, which describes the classic forwarding path
including the Netfilter hooks and the flowtable fastpath bypass.
- userspace process
- ^ |
- | |
- _____|____ ____\/___
- / \ / \
- | input | | output |
- \__________/ \_________/
- ^ |
- | |
+::
+
+ userspace process
+ ^ |
+ | |
+ _____|____ ____\/___
+ / \ / \
+ | input | | output |
+ \__________/ \_________/
+ ^ |
+ | |
_________ __________ --------- _____\/_____
/ \ / \ |Routing | / \
--> ingress ---> prerouting ---> |decision| | postrouting |--> neigh_xmit
@@ -59,7 +64,7 @@ including the Netfilter hooks and the flowtable fastpath bypass.
\ / |
|__yes_________________fastpath bypass ____________________________|
- Fig.1 Netfilter hooks and flowtable interactions
+ Fig.1 Netfilter hooks and flowtable interactions
The flowtable entry also stores the NAT configuration, so all packets are
mangled according to the NAT policy that matches the initial packets that went
@@ -72,18 +77,18 @@ Example configuration
---------------------
Enabling the flowtable bypass is relatively easy, you only need to create a
-flowtable and add one rule to your forward chain.
+flowtable and add one rule to your forward chain::
- table inet x {
+ table inet x {
flowtable f {
hook ingress priority 0; devices = { eth0, eth1 };
}
- chain y {
- type filter hook forward priority 0; policy accept;
- ip protocol tcp flow offload @f
- counter packets 0 bytes 0
- }
- }
+ chain y {
+ type filter hook forward priority 0; policy accept;
+ ip protocol tcp flow offload @f
+ counter packets 0 bytes 0
+ }
+ }
This example adds the flowtable 'f' to the ingress hook of the eth0 and eth1
netdevices. You can create as many flowtables as you want in case you need to
@@ -101,12 +106,12 @@ forwarding bypass.
More reading
------------
-This documentation is based on the LWN.net articles [1][2]. Rafal Milecki also
-made a very complete and comprehensive summary called "A state of network
+This documentation is based on the LWN.net articles [1]_\ [2]_. Rafal Milecki
+also made a very complete and comprehensive summary called "A state of network
acceleration" that describes how things were before this infrastructure was
-mailined [3] and it also makes a rough summary of this work [4].
+mailined [3]_ and it also makes a rough summary of this work [4]_.
-[1] https://lwn.net/Articles/738214/
-[2] https://lwn.net/Articles/742164/
-[3] http://lists.infradead.org/pipermail/lede-dev/2018-January/010830.html
-[4] http://lists.infradead.org/pipermail/lede-dev/2018-January/010829.html
+.. [1] https://lwn.net/Articles/738214/
+.. [2] https://lwn.net/Articles/742164/
+.. [3] http://lists.infradead.org/pipermail/lede-dev/2018-January/010830.html
+.. [4] http://lists.infradead.org/pipermail/lede-dev/2018-January/010829.html
diff --git a/Documentation/networking/openvswitch.txt b/Documentation/networking/openvswitch.rst
index b3b9ac61d29d..1a8353dbf1b6 100644
--- a/Documentation/networking/openvswitch.txt
+++ b/Documentation/networking/openvswitch.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=============================================
Open vSwitch datapath developer documentation
=============================================
@@ -80,13 +83,13 @@ The <linux/openvswitch.h> header file defines the exact format of the
flow key attributes. For informal explanatory purposes here, we write
them as comma-separated strings, with parentheses indicating arguments
and nesting. For example, the following could represent a flow key
-corresponding to a TCP packet that arrived on vport 1:
+corresponding to a TCP packet that arrived on vport 1::
in_port(1), eth(src=e0:91:f5:21:d0:b2, dst=00:02:e3:0f:80:a4),
eth_type(0x0800), ipv4(src=172.16.0.20, dst=172.18.0.52, proto=17, tos=0,
frag=no), tcp(src=49163, dst=80)
-Often we ellipsize arguments not important to the discussion, e.g.:
+Often we ellipsize arguments not important to the discussion, e.g.::
in_port(1), eth(...), eth_type(0x0800), ipv4(...), tcp(...)
@@ -151,20 +154,20 @@ Some care is needed to really maintain forward and backward
compatibility for applications that follow the rules listed under
"Flow key compatibility" above.
-The basic rule is obvious:
+The basic rule is obvious::
- ------------------------------------------------------------------
+ ==================================================================
New network protocol support must only supplement existing flow
key attributes. It must not change the meaning of already defined
flow key attributes.
- ------------------------------------------------------------------
+ ==================================================================
This rule does have less-obvious consequences so it is worth working
through a few examples. Suppose, for example, that the kernel module
did not already implement VLAN parsing. Instead, it just interpreted
the 802.1Q TPID (0x8100) as the Ethertype then stopped parsing the
packet. The flow key for any packet with an 802.1Q header would look
-essentially like this, ignoring metadata:
+essentially like this, ignoring metadata::
eth(...), eth_type(0x8100)
@@ -172,7 +175,7 @@ Naively, to add VLAN support, it makes sense to add a new "vlan" flow
key attribute to contain the VLAN tag, then continue to decode the
encapsulated headers beyond the VLAN tag using the existing field
definitions. With this change, a TCP packet in VLAN 10 would have a
-flow key much like this:
+flow key much like this::
eth(...), vlan(vid=10, pcp=0), eth_type(0x0800), ip(proto=6, ...), tcp(...)
@@ -187,7 +190,7 @@ across kernel versions even though it follows the compatibility rules.
The solution is to use a set of nested attributes. This is, for
example, why 802.1Q support uses nested attributes. A TCP packet in
-VLAN 10 is actually expressed as:
+VLAN 10 is actually expressed as::
eth(...), eth_type(0x8100), vlan(vid=10, pcp=0), encap(eth_type(0x0800),
ip(proto=6, ...), tcp(...)))
@@ -215,14 +218,14 @@ For example, consider a packet that contains an IP header that
indicates protocol 6 for TCP, but which is truncated just after the IP
header, so that the TCP header is missing. The flow key for this
packet would include a tcp attribute with all-zero src and dst, like
-this:
+this::
eth(...), eth_type(0x0800), ip(proto=6, ...), tcp(src=0, dst=0)
As another example, consider a packet with an Ethernet type of 0x8100,
indicating that a VLAN TCI should follow, but which is truncated just
after the Ethernet type. The flow key for this packet would include
-an all-zero-bits vlan and an empty encap attribute, like this:
+an all-zero-bits vlan and an empty encap attribute, like this::
eth(...), eth_type(0x8100), vlan(0), encap()
diff --git a/Documentation/networking/operstates.txt b/Documentation/networking/operstates.rst
index b203d1334822..9c918f7cb0e8 100644
--- a/Documentation/networking/operstates.txt
+++ b/Documentation/networking/operstates.rst
@@ -1,5 +1,12 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================
+Operational States
+==================
+
1. Introduction
+===============
Linux distinguishes between administrative and operational state of an
interface. Administrative state is the result of "ip link set dev
@@ -20,6 +27,7 @@ and changeable from userspace under certain rules.
2. Querying from userspace
+==========================
Both admin and operational state can be queried via the netlink
operation RTM_GETLINK. It is also possible to subscribe to RTNLGRP_LINK
@@ -30,16 +38,20 @@ These values contain interface state:
ifinfomsg::if_flags & IFF_UP:
Interface is admin up
+
ifinfomsg::if_flags & IFF_RUNNING:
Interface is in RFC2863 operational state UP or UNKNOWN. This is for
backward compatibility, routing daemons, dhcp clients can use this
flag to determine whether they should use the interface.
+
ifinfomsg::if_flags & IFF_LOWER_UP:
Driver has signaled netif_carrier_on()
+
ifinfomsg::if_flags & IFF_DORMANT:
Driver has signaled netif_dormant_on()
TLV IFLA_OPERSTATE
+------------------
contains RFC2863 state of the interface in numeric representation:
@@ -47,26 +59,33 @@ IF_OPER_UNKNOWN (0):
Interface is in unknown state, neither driver nor userspace has set
operational state. Interface must be considered for user data as
setting operational state has not been implemented in every driver.
+
IF_OPER_NOTPRESENT (1):
Unused in current kernel (notpresent interfaces normally disappear),
just a numerical placeholder.
+
IF_OPER_DOWN (2):
Interface is unable to transfer data on L1, f.e. ethernet is not
plugged or interface is ADMIN down.
+
IF_OPER_LOWERLAYERDOWN (3):
Interfaces stacked on an interface that is IF_OPER_DOWN show this
state (f.e. VLAN).
+
IF_OPER_TESTING (4):
Unused in current kernel.
+
IF_OPER_DORMANT (5):
Interface is L1 up, but waiting for an external event, f.e. for a
protocol to establish. (802.1X)
+
IF_OPER_UP (6):
Interface is operational up and can be used.
This TLV can also be queried via sysfs.
TLV IFLA_LINKMODE
+-----------------
contains link policy. This is needed for userspace interaction
described below.
@@ -75,6 +94,7 @@ This TLV can also be queried via sysfs.
3. Kernel driver API
+====================
Kernel drivers have access to two flags that map to IFF_LOWER_UP and
IFF_DORMANT. These flags can be set from everywhere, even from
@@ -126,6 +146,7 @@ netif_carrier_ok() && !netif_dormant():
4. Setting from userspace
+=========================
Applications have to use the netlink interface to influence the
RFC2863 operational state of an interface. Setting IFLA_LINKMODE to 1
@@ -139,18 +160,18 @@ are multicasted on the netlink group RTNLGRP_LINK.
So basically a 802.1X supplicant interacts with the kernel like this:
--subscribe to RTNLGRP_LINK
--set IFLA_LINKMODE to 1 via RTM_SETLINK
--query RTM_GETLINK once to get initial state
--if initial flags are not (IFF_LOWER_UP && !IFF_DORMANT), wait until
- netlink multicast signals this state
--do 802.1X, eventually abort if flags go down again
--send RTM_SETLINK to set operstate to IF_OPER_UP if authentication
- succeeds, IF_OPER_DORMANT otherwise
--see how operstate and IFF_RUNNING is echoed via netlink multicast
--set interface back to IF_OPER_DORMANT if 802.1X reauthentication
- fails
--restart if kernel changes IFF_LOWER_UP or IFF_DORMANT flag
+- subscribe to RTNLGRP_LINK
+- set IFLA_LINKMODE to 1 via RTM_SETLINK
+- query RTM_GETLINK once to get initial state
+- if initial flags are not (IFF_LOWER_UP && !IFF_DORMANT), wait until
+ netlink multicast signals this state
+- do 802.1X, eventually abort if flags go down again
+- send RTM_SETLINK to set operstate to IF_OPER_UP if authentication
+ succeeds, IF_OPER_DORMANT otherwise
+- see how operstate and IFF_RUNNING is echoed via netlink multicast
+- set interface back to IF_OPER_DORMANT if 802.1X reauthentication
+ fails
+- restart if kernel changes IFF_LOWER_UP or IFF_DORMANT flag
if supplicant goes down, bring back IFLA_LINKMODE to 0 and
IFLA_OPERSTATE to a sane value.
diff --git a/Documentation/networking/packet_mmap.rst b/Documentation/networking/packet_mmap.rst
new file mode 100644
index 000000000000..6c009ceb1183
--- /dev/null
+++ b/Documentation/networking/packet_mmap.rst
@@ -0,0 +1,1084 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========
+Packet MMAP
+===========
+
+Abstract
+========
+
+This file documents the mmap() facility available with the PACKET
+socket interface on 2.4/2.6/3.x kernels. This type of sockets is used for
+
+i) capture network traffic with utilities like tcpdump,
+ii) transmit network traffic, or any other that needs raw
+ access to network interface.
+
+Howto can be found at:
+
+ https://sites.google.com/site/packetmmap/
+
+Please send your comments to
+ - Ulisses Alonso Camaró <uaca@i.hate.spam.alumni.uv.es>
+ - Johann Baudy
+
+Why use PACKET_MMAP
+===================
+
+In Linux 2.4/2.6/3.x if PACKET_MMAP is not enabled, the capture process is very
+inefficient. It uses very limited buffers and requires one system call to
+capture each packet, it requires two if you want to get packet's timestamp
+(like libpcap always does).
+
+In the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size
+configurable circular buffer mapped in user space that can be used to either
+send or receive packets. This way reading packets just needs to wait for them,
+most of the time there is no need to issue a single system call. Concerning
+transmission, multiple packets can be sent through one system call to get the
+highest bandwidth. By using a shared buffer between the kernel and the user
+also has the benefit of minimizing packet copies.
+
+It's fine to use PACKET_MMAP to improve the performance of the capture and
+transmission process, but it isn't everything. At least, if you are capturing
+at high speeds (this is relative to the cpu speed), you should check if the
+device driver of your network interface card supports some sort of interrupt
+load mitigation or (even better) if it supports NAPI, also make sure it is
+enabled. For transmission, check the MTU (Maximum Transmission Unit) used and
+supported by devices of your network. CPU IRQ pinning of your network interface
+card can also be an advantage.
+
+How to use mmap() to improve capture process
+============================================
+
+From the user standpoint, you should use the higher level libpcap library, which
+is a de facto standard, portable across nearly all operating systems
+including Win32.
+
+Packet MMAP support was integrated into libpcap around the time of version 1.3.0;
+TPACKET_V3 support was added in version 1.5.0
+
+How to use mmap() directly to improve capture process
+=====================================================
+
+From the system calls stand point, the use of PACKET_MMAP involves
+the following process::
+
+
+ [setup] socket() -------> creation of the capture socket
+ setsockopt() ---> allocation of the circular buffer (ring)
+ option: PACKET_RX_RING
+ mmap() ---------> mapping of the allocated buffer to the
+ user process
+
+ [capture] poll() ---------> to wait for incoming packets
+
+ [shutdown] close() --------> destruction of the capture socket and
+ deallocation of all associated
+ resources.
+
+
+socket creation and destruction is straight forward, and is done
+the same way with or without PACKET_MMAP::
+
+ int fd = socket(PF_PACKET, mode, htons(ETH_P_ALL));
+
+where mode is SOCK_RAW for the raw interface were link level
+information can be captured or SOCK_DGRAM for the cooked
+interface where link level information capture is not
+supported and a link level pseudo-header is provided
+by the kernel.
+
+The destruction of the socket and all associated resources
+is done by a simple call to close(fd).
+
+Similarly as without PACKET_MMAP, it is possible to use one socket
+for capture and transmission. This can be done by mapping the
+allocated RX and TX buffer ring with a single mmap() call.
+See "Mapping and use of the circular buffer (ring)".
+
+Next I will describe PACKET_MMAP settings and its constraints,
+also the mapping of the circular buffer in the user process and
+the use of this buffer.
+
+How to use mmap() directly to improve transmission process
+==========================================================
+Transmission process is similar to capture as shown below::
+
+ [setup] socket() -------> creation of the transmission socket
+ setsockopt() ---> allocation of the circular buffer (ring)
+ option: PACKET_TX_RING
+ bind() ---------> bind transmission socket with a network interface
+ mmap() ---------> mapping of the allocated buffer to the
+ user process
+
+ [transmission] poll() ---------> wait for free packets (optional)
+ send() ---------> send all packets that are set as ready in
+ the ring
+ The flag MSG_DONTWAIT can be used to return
+ before end of transfer.
+
+ [shutdown] close() --------> destruction of the transmission socket and
+ deallocation of all associated resources.
+
+Socket creation and destruction is also straight forward, and is done
+the same way as in capturing described in the previous paragraph::
+
+ int fd = socket(PF_PACKET, mode, 0);
+
+The protocol can optionally be 0 in case we only want to transmit
+via this socket, which avoids an expensive call to packet_rcv().
+In this case, you also need to bind(2) the TX_RING with sll_protocol = 0
+set. Otherwise, htons(ETH_P_ALL) or any other protocol, for example.
+
+Binding the socket to your network interface is mandatory (with zero copy) to
+know the header size of frames used in the circular buffer.
+
+As capture, each frame contains two parts::
+
+ --------------------
+ | struct tpacket_hdr | Header. It contains the status of
+ | | of this frame
+ |--------------------|
+ | data buffer |
+ . . Data that will be sent over the network interface.
+ . .
+ --------------------
+
+ bind() associates the socket to your network interface thanks to
+ sll_ifindex parameter of struct sockaddr_ll.
+
+ Initialization example::
+
+ struct sockaddr_ll my_addr;
+ struct ifreq s_ifr;
+ ...
+
+ strncpy (s_ifr.ifr_name, "eth0", sizeof(s_ifr.ifr_name));
+
+ /* get interface index of eth0 */
+ ioctl(this->socket, SIOCGIFINDEX, &s_ifr);
+
+ /* fill sockaddr_ll struct to prepare binding */
+ my_addr.sll_family = AF_PACKET;
+ my_addr.sll_protocol = htons(ETH_P_ALL);
+ my_addr.sll_ifindex = s_ifr.ifr_ifindex;
+
+ /* bind socket to eth0 */
+ bind(this->socket, (struct sockaddr *)&my_addr, sizeof(struct sockaddr_ll));
+
+ A complete tutorial is available at: https://sites.google.com/site/packetmmap/
+
+By default, the user should put data at::
+
+ frame base + TPACKET_HDRLEN - sizeof(struct sockaddr_ll)
+
+So, whatever you choose for the socket mode (SOCK_DGRAM or SOCK_RAW),
+the beginning of the user data will be at::
+
+ frame base + TPACKET_ALIGN(sizeof(struct tpacket_hdr))
+
+If you wish to put user data at a custom offset from the beginning of
+the frame (for payload alignment with SOCK_RAW mode for instance) you
+can set tp_net (with SOCK_DGRAM) or tp_mac (with SOCK_RAW). In order
+to make this work it must be enabled previously with setsockopt()
+and the PACKET_TX_HAS_OFF option.
+
+PACKET_MMAP settings
+====================
+
+To setup PACKET_MMAP from user level code is done with a call like
+
+ - Capture process::
+
+ setsockopt(fd, SOL_PACKET, PACKET_RX_RING, (void *) &req, sizeof(req))
+
+ - Transmission process::
+
+ setsockopt(fd, SOL_PACKET, PACKET_TX_RING, (void *) &req, sizeof(req))
+
+The most significant argument in the previous call is the req parameter,
+this parameter must to have the following structure::
+
+ struct tpacket_req
+ {
+ unsigned int tp_block_size; /* Minimal size of contiguous block */
+ unsigned int tp_block_nr; /* Number of blocks */
+ unsigned int tp_frame_size; /* Size of frame */
+ unsigned int tp_frame_nr; /* Total number of frames */
+ };
+
+This structure is defined in /usr/include/linux/if_packet.h and establishes a
+circular buffer (ring) of unswappable memory.
+Being mapped in the capture process allows reading the captured frames and
+related meta-information like timestamps without requiring a system call.
+
+Frames are grouped in blocks. Each block is a physically contiguous
+region of memory and holds tp_block_size/tp_frame_size frames. The total number
+of blocks is tp_block_nr. Note that tp_frame_nr is a redundant parameter because::
+
+ frames_per_block = tp_block_size/tp_frame_size
+
+indeed, packet_set_ring checks that the following condition is true::
+
+ frames_per_block * tp_block_nr == tp_frame_nr
+
+Lets see an example, with the following values::
+
+ tp_block_size= 4096
+ tp_frame_size= 2048
+ tp_block_nr = 4
+ tp_frame_nr = 8
+
+we will get the following buffer structure::
+
+ block #1 block #2
+ +---------+---------+ +---------+---------+
+ | frame 1 | frame 2 | | frame 3 | frame 4 |
+ +---------+---------+ +---------+---------+
+
+ block #3 block #4
+ +---------+---------+ +---------+---------+
+ | frame 5 | frame 6 | | frame 7 | frame 8 |
+ +---------+---------+ +---------+---------+
+
+A frame can be of any size with the only condition it can fit in a block. A block
+can only hold an integer number of frames, or in other words, a frame cannot
+be spawned across two blocks, so there are some details you have to take into
+account when choosing the frame_size. See "Mapping and use of the circular
+buffer (ring)".
+
+PACKET_MMAP setting constraints
+===============================
+
+In kernel versions prior to 2.4.26 (for the 2.4 branch) and 2.6.5 (2.6 branch),
+the PACKET_MMAP buffer could hold only 32768 frames in a 32 bit architecture or
+16384 in a 64 bit architecture. For information on these kernel versions
+see http://pusa.uv.es/~ulisses/packet_mmap/packet_mmap.pre-2.4.26_2.6.5.txt
+
+Block size limit
+----------------
+
+As stated earlier, each block is a contiguous physical region of memory. These
+memory regions are allocated with calls to the __get_free_pages() function. As
+the name indicates, this function allocates pages of memory, and the second
+argument is "order" or a power of two number of pages, that is
+(for PAGE_SIZE == 4096) order=0 ==> 4096 bytes, order=1 ==> 8192 bytes,
+order=2 ==> 16384 bytes, etc. The maximum size of a
+region allocated by __get_free_pages is determined by the MAX_ORDER macro. More
+precisely the limit can be calculated as::
+
+ PAGE_SIZE << MAX_ORDER
+
+ In a i386 architecture PAGE_SIZE is 4096 bytes
+ In a 2.4/i386 kernel MAX_ORDER is 10
+ In a 2.6/i386 kernel MAX_ORDER is 11
+
+So get_free_pages can allocate as much as 4MB or 8MB in a 2.4/2.6 kernel
+respectively, with an i386 architecture.
+
+User space programs can include /usr/include/sys/user.h and
+/usr/include/linux/mmzone.h to get PAGE_SIZE MAX_ORDER declarations.
+
+The pagesize can also be determined dynamically with the getpagesize (2)
+system call.
+
+Block number limit
+------------------
+
+To understand the constraints of PACKET_MMAP, we have to see the structure
+used to hold the pointers to each block.
+
+Currently, this structure is a dynamically allocated vector with kmalloc
+called pg_vec, its size limits the number of blocks that can be allocated::
+
+ +---+---+---+---+
+ | x | x | x | x |
+ +---+---+---+---+
+ | | | |
+ | | | v
+ | | v block #4
+ | v block #3
+ v block #2
+ block #1
+
+kmalloc allocates any number of bytes of physically contiguous memory from
+a pool of pre-determined sizes. This pool of memory is maintained by the slab
+allocator which is at the end the responsible for doing the allocation and
+hence which imposes the maximum memory that kmalloc can allocate.
+
+In a 2.4/2.6 kernel and the i386 architecture, the limit is 131072 bytes. The
+predetermined sizes that kmalloc uses can be checked in the "size-<bytes>"
+entries of /proc/slabinfo
+
+In a 32 bit architecture, pointers are 4 bytes long, so the total number of
+pointers to blocks is::
+
+ 131072/4 = 32768 blocks
+
+PACKET_MMAP buffer size calculator
+==================================
+
+Definitions:
+
+============== ================================================================
+<size-max> is the maximum size of allocable with kmalloc
+ (see /proc/slabinfo)
+<pointer size> depends on the architecture -- ``sizeof(void *)``
+<page size> depends on the architecture -- PAGE_SIZE or getpagesize (2)
+<max-order> is the value defined with MAX_ORDER
+<frame size> it's an upper bound of frame's capture size (more on this later)
+============== ================================================================
+
+from these definitions we will derive::
+
+ <block number> = <size-max>/<pointer size>
+ <block size> = <pagesize> << <max-order>
+
+so, the max buffer size is::
+
+ <block number> * <block size>
+
+and, the number of frames be::
+
+ <block number> * <block size> / <frame size>
+
+Suppose the following parameters, which apply for 2.6 kernel and an
+i386 architecture::
+
+ <size-max> = 131072 bytes
+ <pointer size> = 4 bytes
+ <pagesize> = 4096 bytes
+ <max-order> = 11
+
+and a value for <frame size> of 2048 bytes. These parameters will yield::
+
+ <block number> = 131072/4 = 32768 blocks
+ <block size> = 4096 << 11 = 8 MiB.
+
+and hence the buffer will have a 262144 MiB size. So it can hold
+262144 MiB / 2048 bytes = 134217728 frames
+
+Actually, this buffer size is not possible with an i386 architecture.
+Remember that the memory is allocated in kernel space, in the case of
+an i386 kernel's memory size is limited to 1GiB.
+
+All memory allocations are not freed until the socket is closed. The memory
+allocations are done with GFP_KERNEL priority, this basically means that
+the allocation can wait and swap other process' memory in order to allocate
+the necessary memory, so normally limits can be reached.
+
+Other constraints
+-----------------
+
+If you check the source code you will see that what I draw here as a frame
+is not only the link level frame. At the beginning of each frame there is a
+header called struct tpacket_hdr used in PACKET_MMAP to hold link level's frame
+meta information like timestamp. So what we draw here a frame it's really
+the following (from include/linux/if_packet.h)::
+
+ /*
+ Frame structure:
+
+ - Start. Frame must be aligned to TPACKET_ALIGNMENT=16
+ - struct tpacket_hdr
+ - pad to TPACKET_ALIGNMENT=16
+ - struct sockaddr_ll
+ - Gap, chosen so that packet data (Start+tp_net) aligns to
+ TPACKET_ALIGNMENT=16
+ - Start+tp_mac: [ Optional MAC header ]
+ - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16.
+ - Pad to align to TPACKET_ALIGNMENT=16
+ */
+
+The following are conditions that are checked in packet_set_ring
+
+ - tp_block_size must be a multiple of PAGE_SIZE (1)
+ - tp_frame_size must be greater than TPACKET_HDRLEN (obvious)
+ - tp_frame_size must be a multiple of TPACKET_ALIGNMENT
+ - tp_frame_nr must be exactly frames_per_block*tp_block_nr
+
+Note that tp_block_size should be chosen to be a power of two or there will
+be a waste of memory.
+
+Mapping and use of the circular buffer (ring)
+---------------------------------------------
+
+The mapping of the buffer in the user process is done with the conventional
+mmap function. Even the circular buffer is compound of several physically
+discontiguous blocks of memory, they are contiguous to the user space, hence
+just one call to mmap is needed::
+
+ mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+
+If tp_frame_size is a divisor of tp_block_size frames will be
+contiguously spaced by tp_frame_size bytes. If not, each
+tp_block_size/tp_frame_size frames there will be a gap between
+the frames. This is because a frame cannot be spawn across two
+blocks.
+
+To use one socket for capture and transmission, the mapping of both the
+RX and TX buffer ring has to be done with one call to mmap::
+
+ ...
+ setsockopt(fd, SOL_PACKET, PACKET_RX_RING, &foo, sizeof(foo));
+ setsockopt(fd, SOL_PACKET, PACKET_TX_RING, &bar, sizeof(bar));
+ ...
+ rx_ring = mmap(0, size * 2, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+ tx_ring = rx_ring + size;
+
+RX must be the first as the kernel maps the TX ring memory right
+after the RX one.
+
+At the beginning of each frame there is an status field (see
+struct tpacket_hdr). If this field is 0 means that the frame is ready
+to be used for the kernel, If not, there is a frame the user can read
+and the following flags apply:
+
+Capture process
+^^^^^^^^^^^^^^^
+
+ from include/linux/if_packet.h
+
+ #define TP_STATUS_COPY (1 << 1)
+ #define TP_STATUS_LOSING (1 << 2)
+ #define TP_STATUS_CSUMNOTREADY (1 << 3)
+ #define TP_STATUS_CSUM_VALID (1 << 7)
+
+====================== =======================================================
+TP_STATUS_COPY This flag indicates that the frame (and associated
+ meta information) has been truncated because it's
+ larger than tp_frame_size. This packet can be
+ read entirely with recvfrom().
+
+ In order to make this work it must to be
+ enabled previously with setsockopt() and
+ the PACKET_COPY_THRESH option.
+
+ The number of frames that can be buffered to
+ be read with recvfrom is limited like a normal socket.
+ See the SO_RCVBUF option in the socket (7) man page.
+
+TP_STATUS_LOSING indicates there were packet drops from last time
+ statistics where checked with getsockopt() and
+ the PACKET_STATISTICS option.
+
+TP_STATUS_CSUMNOTREADY currently it's used for outgoing IP packets which
+ its checksum will be done in hardware. So while
+ reading the packet we should not try to check the
+ checksum.
+
+TP_STATUS_CSUM_VALID This flag indicates that at least the transport
+ header checksum of the packet has been already
+ validated on the kernel side. If the flag is not set
+ then we are free to check the checksum by ourselves
+ provided that TP_STATUS_CSUMNOTREADY is also not set.
+====================== =======================================================
+
+for convenience there are also the following defines::
+
+ #define TP_STATUS_KERNEL 0
+ #define TP_STATUS_USER 1
+
+The kernel initializes all frames to TP_STATUS_KERNEL, when the kernel
+receives a packet it puts in the buffer and updates the status with
+at least the TP_STATUS_USER flag. Then the user can read the packet,
+once the packet is read the user must zero the status field, so the kernel
+can use again that frame buffer.
+
+The user can use poll (any other variant should apply too) to check if new
+packets are in the ring::
+
+ struct pollfd pfd;
+
+ pfd.fd = fd;
+ pfd.revents = 0;
+ pfd.events = POLLIN|POLLRDNORM|POLLERR;
+
+ if (status == TP_STATUS_KERNEL)
+ retval = poll(&pfd, 1, timeout);
+
+It doesn't incur in a race condition to first check the status value and
+then poll for frames.
+
+Transmission process
+^^^^^^^^^^^^^^^^^^^^
+
+Those defines are also used for transmission::
+
+ #define TP_STATUS_AVAILABLE 0 // Frame is available
+ #define TP_STATUS_SEND_REQUEST 1 // Frame will be sent on next send()
+ #define TP_STATUS_SENDING 2 // Frame is currently in transmission
+ #define TP_STATUS_WRONG_FORMAT 4 // Frame format is not correct
+
+First, the kernel initializes all frames to TP_STATUS_AVAILABLE. To send a
+packet, the user fills a data buffer of an available frame, sets tp_len to
+current data buffer size and sets its status field to TP_STATUS_SEND_REQUEST.
+This can be done on multiple frames. Once the user is ready to transmit, it
+calls send(). Then all buffers with status equal to TP_STATUS_SEND_REQUEST are
+forwarded to the network device. The kernel updates each status of sent
+frames with TP_STATUS_SENDING until the end of transfer.
+
+At the end of each transfer, buffer status returns to TP_STATUS_AVAILABLE.
+
+::
+
+ header->tp_len = in_i_size;
+ header->tp_status = TP_STATUS_SEND_REQUEST;
+ retval = send(this->socket, NULL, 0, 0);
+
+The user can also use poll() to check if a buffer is available:
+
+(status == TP_STATUS_SENDING)
+
+::
+
+ struct pollfd pfd;
+ pfd.fd = fd;
+ pfd.revents = 0;
+ pfd.events = POLLOUT;
+ retval = poll(&pfd, 1, timeout);
+
+What TPACKET versions are available and when to use them?
+=========================================================
+
+::
+
+ int val = tpacket_version;
+ setsockopt(fd, SOL_PACKET, PACKET_VERSION, &val, sizeof(val));
+ getsockopt(fd, SOL_PACKET, PACKET_VERSION, &val, sizeof(val));
+
+where 'tpacket_version' can be TPACKET_V1 (default), TPACKET_V2, TPACKET_V3.
+
+TPACKET_V1:
+ - Default if not otherwise specified by setsockopt(2)
+ - RX_RING, TX_RING available
+
+TPACKET_V1 --> TPACKET_V2:
+ - Made 64 bit clean due to unsigned long usage in TPACKET_V1
+ structures, thus this also works on 64 bit kernel with 32 bit
+ userspace and the like
+ - Timestamp resolution in nanoseconds instead of microseconds
+ - RX_RING, TX_RING available
+ - VLAN metadata information available for packets
+ (TP_STATUS_VLAN_VALID, TP_STATUS_VLAN_TPID_VALID),
+ in the tpacket2_hdr structure:
+
+ - TP_STATUS_VLAN_VALID bit being set into the tp_status field indicates
+ that the tp_vlan_tci field has valid VLAN TCI value
+ - TP_STATUS_VLAN_TPID_VALID bit being set into the tp_status field
+ indicates that the tp_vlan_tpid field has valid VLAN TPID value
+
+ - How to switch to TPACKET_V2:
+
+ 1. Replace struct tpacket_hdr by struct tpacket2_hdr
+ 2. Query header len and save
+ 3. Set protocol version to 2, set up ring as usual
+ 4. For getting the sockaddr_ll,
+ use ``(void *)hdr + TPACKET_ALIGN(hdrlen)`` instead of
+ ``(void *)hdr + TPACKET_ALIGN(sizeof(struct tpacket_hdr))``
+
+TPACKET_V2 --> TPACKET_V3:
+ - Flexible buffer implementation for RX_RING:
+ 1. Blocks can be configured with non-static frame-size
+ 2. Read/poll is at a block-level (as opposed to packet-level)
+ 3. Added poll timeout to avoid indefinite user-space wait
+ on idle links
+ 4. Added user-configurable knobs:
+
+ 4.1 block::timeout
+ 4.2 tpkt_hdr::sk_rxhash
+
+ - RX Hash data available in user space
+ - TX_RING semantics are conceptually similar to TPACKET_V2;
+ use tpacket3_hdr instead of tpacket2_hdr, and TPACKET3_HDRLEN
+ instead of TPACKET2_HDRLEN. In the current implementation,
+ the tp_next_offset field in the tpacket3_hdr MUST be set to
+ zero, indicating that the ring does not hold variable sized frames.
+ Packets with non-zero values of tp_next_offset will be dropped.
+
+AF_PACKET fanout mode
+=====================
+
+In the AF_PACKET fanout mode, packet reception can be load balanced among
+processes. This also works in combination with mmap(2) on packet sockets.
+
+Currently implemented fanout policies are:
+
+ - PACKET_FANOUT_HASH: schedule to socket by skb's packet hash
+ - PACKET_FANOUT_LB: schedule to socket by round-robin
+ - PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
+ - PACKET_FANOUT_RND: schedule to socket by random selection
+ - PACKET_FANOUT_ROLLOVER: if one socket is full, rollover to another
+ - PACKET_FANOUT_QM: schedule to socket by skbs recorded queue_mapping
+
+Minimal example code by David S. Miller (try things like "./test eth0 hash",
+"./test eth0 lb", etc.)::
+
+ #include <stddef.h>
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+
+ #include <sys/types.h>
+ #include <sys/wait.h>
+ #include <sys/socket.h>
+ #include <sys/ioctl.h>
+
+ #include <unistd.h>
+
+ #include <linux/if_ether.h>
+ #include <linux/if_packet.h>
+
+ #include <net/if.h>
+
+ static const char *device_name;
+ static int fanout_type;
+ static int fanout_id;
+
+ #ifndef PACKET_FANOUT
+ # define PACKET_FANOUT 18
+ # define PACKET_FANOUT_HASH 0
+ # define PACKET_FANOUT_LB 1
+ #endif
+
+ static int setup_socket(void)
+ {
+ int err, fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_IP));
+ struct sockaddr_ll ll;
+ struct ifreq ifr;
+ int fanout_arg;
+
+ if (fd < 0) {
+ perror("socket");
+ return EXIT_FAILURE;
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ strcpy(ifr.ifr_name, device_name);
+ err = ioctl(fd, SIOCGIFINDEX, &ifr);
+ if (err < 0) {
+ perror("SIOCGIFINDEX");
+ return EXIT_FAILURE;
+ }
+
+ memset(&ll, 0, sizeof(ll));
+ ll.sll_family = AF_PACKET;
+ ll.sll_ifindex = ifr.ifr_ifindex;
+ err = bind(fd, (struct sockaddr *) &ll, sizeof(ll));
+ if (err < 0) {
+ perror("bind");
+ return EXIT_FAILURE;
+ }
+
+ fanout_arg = (fanout_id | (fanout_type << 16));
+ err = setsockopt(fd, SOL_PACKET, PACKET_FANOUT,
+ &fanout_arg, sizeof(fanout_arg));
+ if (err) {
+ perror("setsockopt");
+ return EXIT_FAILURE;
+ }
+
+ return fd;
+ }
+
+ static void fanout_thread(void)
+ {
+ int fd = setup_socket();
+ int limit = 10000;
+
+ if (fd < 0)
+ exit(fd);
+
+ while (limit-- > 0) {
+ char buf[1600];
+ int err;
+
+ err = read(fd, buf, sizeof(buf));
+ if (err < 0) {
+ perror("read");
+ exit(EXIT_FAILURE);
+ }
+ if ((limit % 10) == 0)
+ fprintf(stdout, "(%d) \n", getpid());
+ }
+
+ fprintf(stdout, "%d: Received 10000 packets\n", getpid());
+
+ close(fd);
+ exit(0);
+ }
+
+ int main(int argc, char **argp)
+ {
+ int fd, err;
+ int i;
+
+ if (argc != 3) {
+ fprintf(stderr, "Usage: %s INTERFACE {hash|lb}\n", argp[0]);
+ return EXIT_FAILURE;
+ }
+
+ if (!strcmp(argp[2], "hash"))
+ fanout_type = PACKET_FANOUT_HASH;
+ else if (!strcmp(argp[2], "lb"))
+ fanout_type = PACKET_FANOUT_LB;
+ else {
+ fprintf(stderr, "Unknown fanout type [%s]\n", argp[2]);
+ exit(EXIT_FAILURE);
+ }
+
+ device_name = argp[1];
+ fanout_id = getpid() & 0xffff;
+
+ for (i = 0; i < 4; i++) {
+ pid_t pid = fork();
+
+ switch (pid) {
+ case 0:
+ fanout_thread();
+
+ case -1:
+ perror("fork");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ for (i = 0; i < 4; i++) {
+ int status;
+
+ wait(&status);
+ }
+
+ return 0;
+ }
+
+AF_PACKET TPACKET_V3 example
+============================
+
+AF_PACKET's TPACKET_V3 ring buffer can be configured to use non-static frame
+sizes by doing it's own memory management. It is based on blocks where polling
+works on a per block basis instead of per ring as in TPACKET_V2 and predecessor.
+
+It is said that TPACKET_V3 brings the following benefits:
+
+ * ~15% - 20% reduction in CPU-usage
+ * ~20% increase in packet capture rate
+ * ~2x increase in packet density
+ * Port aggregation analysis
+ * Non static frame size to capture entire packet payload
+
+So it seems to be a good candidate to be used with packet fanout.
+
+Minimal example code by Daniel Borkmann based on Chetan Loke's lolpcap (compile
+it with gcc -Wall -O2 blob.c, and try things like "./a.out eth0", etc.)::
+
+ /* Written from scratch, but kernel-to-user space API usage
+ * dissected from lolpcap:
+ * Copyright 2011, Chetan Loke <loke.chetan@gmail.com>
+ * License: GPL, version 2.0
+ */
+
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <stdint.h>
+ #include <string.h>
+ #include <assert.h>
+ #include <net/if.h>
+ #include <arpa/inet.h>
+ #include <netdb.h>
+ #include <poll.h>
+ #include <unistd.h>
+ #include <signal.h>
+ #include <inttypes.h>
+ #include <sys/socket.h>
+ #include <sys/mman.h>
+ #include <linux/if_packet.h>
+ #include <linux/if_ether.h>
+ #include <linux/ip.h>
+
+ #ifndef likely
+ # define likely(x) __builtin_expect(!!(x), 1)
+ #endif
+ #ifndef unlikely
+ # define unlikely(x) __builtin_expect(!!(x), 0)
+ #endif
+
+ struct block_desc {
+ uint32_t version;
+ uint32_t offset_to_priv;
+ struct tpacket_hdr_v1 h1;
+ };
+
+ struct ring {
+ struct iovec *rd;
+ uint8_t *map;
+ struct tpacket_req3 req;
+ };
+
+ static unsigned long packets_total = 0, bytes_total = 0;
+ static sig_atomic_t sigint = 0;
+
+ static void sighandler(int num)
+ {
+ sigint = 1;
+ }
+
+ static int setup_socket(struct ring *ring, char *netdev)
+ {
+ int err, i, fd, v = TPACKET_V3;
+ struct sockaddr_ll ll;
+ unsigned int blocksiz = 1 << 22, framesiz = 1 << 11;
+ unsigned int blocknum = 64;
+
+ fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
+ if (fd < 0) {
+ perror("socket");
+ exit(1);
+ }
+
+ err = setsockopt(fd, SOL_PACKET, PACKET_VERSION, &v, sizeof(v));
+ if (err < 0) {
+ perror("setsockopt");
+ exit(1);
+ }
+
+ memset(&ring->req, 0, sizeof(ring->req));
+ ring->req.tp_block_size = blocksiz;
+ ring->req.tp_frame_size = framesiz;
+ ring->req.tp_block_nr = blocknum;
+ ring->req.tp_frame_nr = (blocksiz * blocknum) / framesiz;
+ ring->req.tp_retire_blk_tov = 60;
+ ring->req.tp_feature_req_word = TP_FT_REQ_FILL_RXHASH;
+
+ err = setsockopt(fd, SOL_PACKET, PACKET_RX_RING, &ring->req,
+ sizeof(ring->req));
+ if (err < 0) {
+ perror("setsockopt");
+ exit(1);
+ }
+
+ ring->map = mmap(NULL, ring->req.tp_block_size * ring->req.tp_block_nr,
+ PROT_READ | PROT_WRITE, MAP_SHARED | MAP_LOCKED, fd, 0);
+ if (ring->map == MAP_FAILED) {
+ perror("mmap");
+ exit(1);
+ }
+
+ ring->rd = malloc(ring->req.tp_block_nr * sizeof(*ring->rd));
+ assert(ring->rd);
+ for (i = 0; i < ring->req.tp_block_nr; ++i) {
+ ring->rd[i].iov_base = ring->map + (i * ring->req.tp_block_size);
+ ring->rd[i].iov_len = ring->req.tp_block_size;
+ }
+
+ memset(&ll, 0, sizeof(ll));
+ ll.sll_family = PF_PACKET;
+ ll.sll_protocol = htons(ETH_P_ALL);
+ ll.sll_ifindex = if_nametoindex(netdev);
+ ll.sll_hatype = 0;
+ ll.sll_pkttype = 0;
+ ll.sll_halen = 0;
+
+ err = bind(fd, (struct sockaddr *) &ll, sizeof(ll));
+ if (err < 0) {
+ perror("bind");
+ exit(1);
+ }
+
+ return fd;
+ }
+
+ static void display(struct tpacket3_hdr *ppd)
+ {
+ struct ethhdr *eth = (struct ethhdr *) ((uint8_t *) ppd + ppd->tp_mac);
+ struct iphdr *ip = (struct iphdr *) ((uint8_t *) eth + ETH_HLEN);
+
+ if (eth->h_proto == htons(ETH_P_IP)) {
+ struct sockaddr_in ss, sd;
+ char sbuff[NI_MAXHOST], dbuff[NI_MAXHOST];
+
+ memset(&ss, 0, sizeof(ss));
+ ss.sin_family = PF_INET;
+ ss.sin_addr.s_addr = ip->saddr;
+ getnameinfo((struct sockaddr *) &ss, sizeof(ss),
+ sbuff, sizeof(sbuff), NULL, 0, NI_NUMERICHOST);
+
+ memset(&sd, 0, sizeof(sd));
+ sd.sin_family = PF_INET;
+ sd.sin_addr.s_addr = ip->daddr;
+ getnameinfo((struct sockaddr *) &sd, sizeof(sd),
+ dbuff, sizeof(dbuff), NULL, 0, NI_NUMERICHOST);
+
+ printf("%s -> %s, ", sbuff, dbuff);
+ }
+
+ printf("rxhash: 0x%x\n", ppd->hv1.tp_rxhash);
+ }
+
+ static void walk_block(struct block_desc *pbd, const int block_num)
+ {
+ int num_pkts = pbd->h1.num_pkts, i;
+ unsigned long bytes = 0;
+ struct tpacket3_hdr *ppd;
+
+ ppd = (struct tpacket3_hdr *) ((uint8_t *) pbd +
+ pbd->h1.offset_to_first_pkt);
+ for (i = 0; i < num_pkts; ++i) {
+ bytes += ppd->tp_snaplen;
+ display(ppd);
+
+ ppd = (struct tpacket3_hdr *) ((uint8_t *) ppd +
+ ppd->tp_next_offset);
+ }
+
+ packets_total += num_pkts;
+ bytes_total += bytes;
+ }
+
+ static void flush_block(struct block_desc *pbd)
+ {
+ pbd->h1.block_status = TP_STATUS_KERNEL;
+ }
+
+ static void teardown_socket(struct ring *ring, int fd)
+ {
+ munmap(ring->map, ring->req.tp_block_size * ring->req.tp_block_nr);
+ free(ring->rd);
+ close(fd);
+ }
+
+ int main(int argc, char **argp)
+ {
+ int fd, err;
+ socklen_t len;
+ struct ring ring;
+ struct pollfd pfd;
+ unsigned int block_num = 0, blocks = 64;
+ struct block_desc *pbd;
+ struct tpacket_stats_v3 stats;
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage: %s INTERFACE\n", argp[0]);
+ return EXIT_FAILURE;
+ }
+
+ signal(SIGINT, sighandler);
+
+ memset(&ring, 0, sizeof(ring));
+ fd = setup_socket(&ring, argp[argc - 1]);
+ assert(fd > 0);
+
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.fd = fd;
+ pfd.events = POLLIN | POLLERR;
+ pfd.revents = 0;
+
+ while (likely(!sigint)) {
+ pbd = (struct block_desc *) ring.rd[block_num].iov_base;
+
+ if ((pbd->h1.block_status & TP_STATUS_USER) == 0) {
+ poll(&pfd, 1, -1);
+ continue;
+ }
+
+ walk_block(pbd, block_num);
+ flush_block(pbd);
+ block_num = (block_num + 1) % blocks;
+ }
+
+ len = sizeof(stats);
+ err = getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, &stats, &len);
+ if (err < 0) {
+ perror("getsockopt");
+ exit(1);
+ }
+
+ fflush(stdout);
+ printf("\nReceived %u packets, %lu bytes, %u dropped, freeze_q_cnt: %u\n",
+ stats.tp_packets, bytes_total, stats.tp_drops,
+ stats.tp_freeze_q_cnt);
+
+ teardown_socket(&ring, fd);
+ return 0;
+ }
+
+PACKET_QDISC_BYPASS
+===================
+
+If there is a requirement to load the network with many packets in a similar
+fashion as pktgen does, you might set the following option after socket
+creation::
+
+ int one = 1;
+ setsockopt(fd, SOL_PACKET, PACKET_QDISC_BYPASS, &one, sizeof(one));
+
+This has the side-effect, that packets sent through PF_PACKET will bypass the
+kernel's qdisc layer and are forcedly pushed to the driver directly. Meaning,
+packet are not buffered, tc disciplines are ignored, increased loss can occur
+and such packets are also not visible to other PF_PACKET sockets anymore. So,
+you have been warned; generally, this can be useful for stress testing various
+components of a system.
+
+On default, PACKET_QDISC_BYPASS is disabled and needs to be explicitly enabled
+on PF_PACKET sockets.
+
+PACKET_TIMESTAMP
+================
+
+The PACKET_TIMESTAMP setting determines the source of the timestamp in
+the packet meta information for mmap(2)ed RX_RING and TX_RINGs. If your
+NIC is capable of timestamping packets in hardware, you can request those
+hardware timestamps to be used. Note: you may need to enable the generation
+of hardware timestamps with SIOCSHWTSTAMP (see related information from
+Documentation/networking/timestamping.rst).
+
+PACKET_TIMESTAMP accepts the same integer bit field as SO_TIMESTAMPING::
+
+ int req = SOF_TIMESTAMPING_RAW_HARDWARE;
+ setsockopt(fd, SOL_PACKET, PACKET_TIMESTAMP, (void *) &req, sizeof(req))
+
+For the mmap(2)ed ring buffers, such timestamps are stored in the
+``tpacket{,2,3}_hdr`` structure's tp_sec and ``tp_{n,u}sec`` members.
+To determine what kind of timestamp has been reported, the tp_status field
+is binary or'ed with the following possible bits ...
+
+::
+
+ TP_STATUS_TS_RAW_HARDWARE
+ TP_STATUS_TS_SOFTWARE
+
+... that are equivalent to its ``SOF_TIMESTAMPING_*`` counterparts. For the
+RX_RING, if neither is set (i.e. PACKET_TIMESTAMP is not set), then a
+software fallback was invoked *within* PF_PACKET's processing code (less
+precise).
+
+Getting timestamps for the TX_RING works as follows: i) fill the ring frames,
+ii) call sendto() e.g. in blocking mode, iii) wait for status of relevant
+frames to be updated resp. the frame handed over to the application, iv) walk
+through the frames to pick up the individual hw/sw timestamps.
+
+Only (!) if transmit timestamping is enabled, then these bits are combined
+with binary | with TP_STATUS_AVAILABLE, so you must check for that in your
+application (e.g. !(tp_status & (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING))
+in a first step to see if the frame belongs to the application, and then
+one can extract the type of timestamp in a second step from tp_status)!
+
+If you don't care about them, thus having it disabled, checking for
+TP_STATUS_AVAILABLE resp. TP_STATUS_WRONG_FORMAT is sufficient. If in the
+TX_RING part only TP_STATUS_AVAILABLE is set, then the tp_sec and tp_{n,u}sec
+members do not contain a valid value. For TX_RINGs, by default no timestamp
+is generated!
+
+See include/linux/net_tstamp.h and Documentation/networking/timestamping.rst
+for more information on hardware timestamps.
+
+Miscellaneous bits
+==================
+
+- Packet sockets work well together with Linux socket filters, thus you also
+ might want to have a look at Documentation/networking/filter.rst
+
+THANKS
+======
+
+ Jesse Brandeburg, for fixing my grammathical/spelling errors
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt
deleted file mode 100644
index 999eb41da81d..000000000000
--- a/Documentation/networking/packet_mmap.txt
+++ /dev/null
@@ -1,1061 +0,0 @@
---------------------------------------------------------------------------------
-+ ABSTRACT
---------------------------------------------------------------------------------
-
-This file documents the mmap() facility available with the PACKET
-socket interface on 2.4/2.6/3.x kernels. This type of sockets is used for
-i) capture network traffic with utilities like tcpdump, ii) transmit network
-traffic, or any other that needs raw access to network interface.
-
-Howto can be found at:
- https://sites.google.com/site/packetmmap/
-
-Please send your comments to
- Ulisses Alonso Camaró <uaca@i.hate.spam.alumni.uv.es>
- Johann Baudy
-
--------------------------------------------------------------------------------
-+ Why use PACKET_MMAP
---------------------------------------------------------------------------------
-
-In Linux 2.4/2.6/3.x if PACKET_MMAP is not enabled, the capture process is very
-inefficient. It uses very limited buffers and requires one system call to
-capture each packet, it requires two if you want to get packet's timestamp
-(like libpcap always does).
-
-In the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size
-configurable circular buffer mapped in user space that can be used to either
-send or receive packets. This way reading packets just needs to wait for them,
-most of the time there is no need to issue a single system call. Concerning
-transmission, multiple packets can be sent through one system call to get the
-highest bandwidth. By using a shared buffer between the kernel and the user
-also has the benefit of minimizing packet copies.
-
-It's fine to use PACKET_MMAP to improve the performance of the capture and
-transmission process, but it isn't everything. At least, if you are capturing
-at high speeds (this is relative to the cpu speed), you should check if the
-device driver of your network interface card supports some sort of interrupt
-load mitigation or (even better) if it supports NAPI, also make sure it is
-enabled. For transmission, check the MTU (Maximum Transmission Unit) used and
-supported by devices of your network. CPU IRQ pinning of your network interface
-card can also be an advantage.
-
---------------------------------------------------------------------------------
-+ How to use mmap() to improve capture process
---------------------------------------------------------------------------------
-
-From the user standpoint, you should use the higher level libpcap library, which
-is a de facto standard, portable across nearly all operating systems
-including Win32.
-
-Packet MMAP support was integrated into libpcap around the time of version 1.3.0;
-TPACKET_V3 support was added in version 1.5.0
-
---------------------------------------------------------------------------------
-+ How to use mmap() directly to improve capture process
---------------------------------------------------------------------------------
-
-From the system calls stand point, the use of PACKET_MMAP involves
-the following process:
-
-
-[setup] socket() -------> creation of the capture socket
- setsockopt() ---> allocation of the circular buffer (ring)
- option: PACKET_RX_RING
- mmap() ---------> mapping of the allocated buffer to the
- user process
-
-[capture] poll() ---------> to wait for incoming packets
-
-[shutdown] close() --------> destruction of the capture socket and
- deallocation of all associated
- resources.
-
-
-socket creation and destruction is straight forward, and is done
-the same way with or without PACKET_MMAP:
-
- int fd = socket(PF_PACKET, mode, htons(ETH_P_ALL));
-
-where mode is SOCK_RAW for the raw interface were link level
-information can be captured or SOCK_DGRAM for the cooked
-interface where link level information capture is not
-supported and a link level pseudo-header is provided
-by the kernel.
-
-The destruction of the socket and all associated resources
-is done by a simple call to close(fd).
-
-Similarly as without PACKET_MMAP, it is possible to use one socket
-for capture and transmission. This can be done by mapping the
-allocated RX and TX buffer ring with a single mmap() call.
-See "Mapping and use of the circular buffer (ring)".
-
-Next I will describe PACKET_MMAP settings and its constraints,
-also the mapping of the circular buffer in the user process and
-the use of this buffer.
-
---------------------------------------------------------------------------------
-+ How to use mmap() directly to improve transmission process
---------------------------------------------------------------------------------
-Transmission process is similar to capture as shown below.
-
-[setup] socket() -------> creation of the transmission socket
- setsockopt() ---> allocation of the circular buffer (ring)
- option: PACKET_TX_RING
- bind() ---------> bind transmission socket with a network interface
- mmap() ---------> mapping of the allocated buffer to the
- user process
-
-[transmission] poll() ---------> wait for free packets (optional)
- send() ---------> send all packets that are set as ready in
- the ring
- The flag MSG_DONTWAIT can be used to return
- before end of transfer.
-
-[shutdown] close() --------> destruction of the transmission socket and
- deallocation of all associated resources.
-
-Socket creation and destruction is also straight forward, and is done
-the same way as in capturing described in the previous paragraph:
-
- int fd = socket(PF_PACKET, mode, 0);
-
-The protocol can optionally be 0 in case we only want to transmit
-via this socket, which avoids an expensive call to packet_rcv().
-In this case, you also need to bind(2) the TX_RING with sll_protocol = 0
-set. Otherwise, htons(ETH_P_ALL) or any other protocol, for example.
-
-Binding the socket to your network interface is mandatory (with zero copy) to
-know the header size of frames used in the circular buffer.
-
-As capture, each frame contains two parts:
-
- --------------------
-| struct tpacket_hdr | Header. It contains the status of
-| | of this frame
-|--------------------|
-| data buffer |
-. . Data that will be sent over the network interface.
-. .
- --------------------
-
- bind() associates the socket to your network interface thanks to
- sll_ifindex parameter of struct sockaddr_ll.
-
- Initialization example:
-
- struct sockaddr_ll my_addr;
- struct ifreq s_ifr;
- ...
-
- strncpy (s_ifr.ifr_name, "eth0", sizeof(s_ifr.ifr_name));
-
- /* get interface index of eth0 */
- ioctl(this->socket, SIOCGIFINDEX, &s_ifr);
-
- /* fill sockaddr_ll struct to prepare binding */
- my_addr.sll_family = AF_PACKET;
- my_addr.sll_protocol = htons(ETH_P_ALL);
- my_addr.sll_ifindex = s_ifr.ifr_ifindex;
-
- /* bind socket to eth0 */
- bind(this->socket, (struct sockaddr *)&my_addr, sizeof(struct sockaddr_ll));
-
- A complete tutorial is available at: https://sites.google.com/site/packetmmap/
-
-By default, the user should put data at :
- frame base + TPACKET_HDRLEN - sizeof(struct sockaddr_ll)
-
-So, whatever you choose for the socket mode (SOCK_DGRAM or SOCK_RAW),
-the beginning of the user data will be at :
- frame base + TPACKET_ALIGN(sizeof(struct tpacket_hdr))
-
-If you wish to put user data at a custom offset from the beginning of
-the frame (for payload alignment with SOCK_RAW mode for instance) you
-can set tp_net (with SOCK_DGRAM) or tp_mac (with SOCK_RAW). In order
-to make this work it must be enabled previously with setsockopt()
-and the PACKET_TX_HAS_OFF option.
-
---------------------------------------------------------------------------------
-+ PACKET_MMAP settings
---------------------------------------------------------------------------------
-
-To setup PACKET_MMAP from user level code is done with a call like
-
- - Capture process
- setsockopt(fd, SOL_PACKET, PACKET_RX_RING, (void *) &req, sizeof(req))
- - Transmission process
- setsockopt(fd, SOL_PACKET, PACKET_TX_RING, (void *) &req, sizeof(req))
-
-The most significant argument in the previous call is the req parameter,
-this parameter must to have the following structure:
-
- struct tpacket_req
- {
- unsigned int tp_block_size; /* Minimal size of contiguous block */
- unsigned int tp_block_nr; /* Number of blocks */
- unsigned int tp_frame_size; /* Size of frame */
- unsigned int tp_frame_nr; /* Total number of frames */
- };
-
-This structure is defined in /usr/include/linux/if_packet.h and establishes a
-circular buffer (ring) of unswappable memory.
-Being mapped in the capture process allows reading the captured frames and
-related meta-information like timestamps without requiring a system call.
-
-Frames are grouped in blocks. Each block is a physically contiguous
-region of memory and holds tp_block_size/tp_frame_size frames. The total number
-of blocks is tp_block_nr. Note that tp_frame_nr is a redundant parameter because
-
- frames_per_block = tp_block_size/tp_frame_size
-
-indeed, packet_set_ring checks that the following condition is true
-
- frames_per_block * tp_block_nr == tp_frame_nr
-
-Lets see an example, with the following values:
-
- tp_block_size= 4096
- tp_frame_size= 2048
- tp_block_nr = 4
- tp_frame_nr = 8
-
-we will get the following buffer structure:
-
- block #1 block #2
-+---------+---------+ +---------+---------+
-| frame 1 | frame 2 | | frame 3 | frame 4 |
-+---------+---------+ +---------+---------+
-
- block #3 block #4
-+---------+---------+ +---------+---------+
-| frame 5 | frame 6 | | frame 7 | frame 8 |
-+---------+---------+ +---------+---------+
-
-A frame can be of any size with the only condition it can fit in a block. A block
-can only hold an integer number of frames, or in other words, a frame cannot
-be spawned across two blocks, so there are some details you have to take into
-account when choosing the frame_size. See "Mapping and use of the circular
-buffer (ring)".
-
---------------------------------------------------------------------------------
-+ PACKET_MMAP setting constraints
---------------------------------------------------------------------------------
-
-In kernel versions prior to 2.4.26 (for the 2.4 branch) and 2.6.5 (2.6 branch),
-the PACKET_MMAP buffer could hold only 32768 frames in a 32 bit architecture or
-16384 in a 64 bit architecture. For information on these kernel versions
-see http://pusa.uv.es/~ulisses/packet_mmap/packet_mmap.pre-2.4.26_2.6.5.txt
-
- Block size limit
-------------------
-
-As stated earlier, each block is a contiguous physical region of memory. These
-memory regions are allocated with calls to the __get_free_pages() function. As
-the name indicates, this function allocates pages of memory, and the second
-argument is "order" or a power of two number of pages, that is
-(for PAGE_SIZE == 4096) order=0 ==> 4096 bytes, order=1 ==> 8192 bytes,
-order=2 ==> 16384 bytes, etc. The maximum size of a
-region allocated by __get_free_pages is determined by the MAX_ORDER macro. More
-precisely the limit can be calculated as:
-
- PAGE_SIZE << MAX_ORDER
-
- In a i386 architecture PAGE_SIZE is 4096 bytes
- In a 2.4/i386 kernel MAX_ORDER is 10
- In a 2.6/i386 kernel MAX_ORDER is 11
-
-So get_free_pages can allocate as much as 4MB or 8MB in a 2.4/2.6 kernel
-respectively, with an i386 architecture.
-
-User space programs can include /usr/include/sys/user.h and
-/usr/include/linux/mmzone.h to get PAGE_SIZE MAX_ORDER declarations.
-
-The pagesize can also be determined dynamically with the getpagesize (2)
-system call.
-
- Block number limit
---------------------
-
-To understand the constraints of PACKET_MMAP, we have to see the structure
-used to hold the pointers to each block.
-
-Currently, this structure is a dynamically allocated vector with kmalloc
-called pg_vec, its size limits the number of blocks that can be allocated.
-
- +---+---+---+---+
- | x | x | x | x |
- +---+---+---+---+
- | | | |
- | | | v
- | | v block #4
- | v block #3
- v block #2
- block #1
-
-kmalloc allocates any number of bytes of physically contiguous memory from
-a pool of pre-determined sizes. This pool of memory is maintained by the slab
-allocator which is at the end the responsible for doing the allocation and
-hence which imposes the maximum memory that kmalloc can allocate.
-
-In a 2.4/2.6 kernel and the i386 architecture, the limit is 131072 bytes. The
-predetermined sizes that kmalloc uses can be checked in the "size-<bytes>"
-entries of /proc/slabinfo
-
-In a 32 bit architecture, pointers are 4 bytes long, so the total number of
-pointers to blocks is
-
- 131072/4 = 32768 blocks
-
- PACKET_MMAP buffer size calculator
-------------------------------------
-
-Definitions:
-
-<size-max> : is the maximum size of allocable with kmalloc (see /proc/slabinfo)
-<pointer size>: depends on the architecture -- sizeof(void *)
-<page size> : depends on the architecture -- PAGE_SIZE or getpagesize (2)
-<max-order> : is the value defined with MAX_ORDER
-<frame size> : it's an upper bound of frame's capture size (more on this later)
-
-from these definitions we will derive
-
- <block number> = <size-max>/<pointer size>
- <block size> = <pagesize> << <max-order>
-
-so, the max buffer size is
-
- <block number> * <block size>
-
-and, the number of frames be
-
- <block number> * <block size> / <frame size>
-
-Suppose the following parameters, which apply for 2.6 kernel and an
-i386 architecture:
-
- <size-max> = 131072 bytes
- <pointer size> = 4 bytes
- <pagesize> = 4096 bytes
- <max-order> = 11
-
-and a value for <frame size> of 2048 bytes. These parameters will yield
-
- <block number> = 131072/4 = 32768 blocks
- <block size> = 4096 << 11 = 8 MiB.
-
-and hence the buffer will have a 262144 MiB size. So it can hold
-262144 MiB / 2048 bytes = 134217728 frames
-
-Actually, this buffer size is not possible with an i386 architecture.
-Remember that the memory is allocated in kernel space, in the case of
-an i386 kernel's memory size is limited to 1GiB.
-
-All memory allocations are not freed until the socket is closed. The memory
-allocations are done with GFP_KERNEL priority, this basically means that
-the allocation can wait and swap other process' memory in order to allocate
-the necessary memory, so normally limits can be reached.
-
- Other constraints
--------------------
-
-If you check the source code you will see that what I draw here as a frame
-is not only the link level frame. At the beginning of each frame there is a
-header called struct tpacket_hdr used in PACKET_MMAP to hold link level's frame
-meta information like timestamp. So what we draw here a frame it's really
-the following (from include/linux/if_packet.h):
-
-/*
- Frame structure:
-
- - Start. Frame must be aligned to TPACKET_ALIGNMENT=16
- - struct tpacket_hdr
- - pad to TPACKET_ALIGNMENT=16
- - struct sockaddr_ll
- - Gap, chosen so that packet data (Start+tp_net) aligns to
- TPACKET_ALIGNMENT=16
- - Start+tp_mac: [ Optional MAC header ]
- - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16.
- - Pad to align to TPACKET_ALIGNMENT=16
- */
-
- The following are conditions that are checked in packet_set_ring
-
- tp_block_size must be a multiple of PAGE_SIZE (1)
- tp_frame_size must be greater than TPACKET_HDRLEN (obvious)
- tp_frame_size must be a multiple of TPACKET_ALIGNMENT
- tp_frame_nr must be exactly frames_per_block*tp_block_nr
-
-Note that tp_block_size should be chosen to be a power of two or there will
-be a waste of memory.
-
---------------------------------------------------------------------------------
-+ Mapping and use of the circular buffer (ring)
---------------------------------------------------------------------------------
-
-The mapping of the buffer in the user process is done with the conventional
-mmap function. Even the circular buffer is compound of several physically
-discontiguous blocks of memory, they are contiguous to the user space, hence
-just one call to mmap is needed:
-
- mmap(0, size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
-
-If tp_frame_size is a divisor of tp_block_size frames will be
-contiguously spaced by tp_frame_size bytes. If not, each
-tp_block_size/tp_frame_size frames there will be a gap between
-the frames. This is because a frame cannot be spawn across two
-blocks.
-
-To use one socket for capture and transmission, the mapping of both the
-RX and TX buffer ring has to be done with one call to mmap:
-
- ...
- setsockopt(fd, SOL_PACKET, PACKET_RX_RING, &foo, sizeof(foo));
- setsockopt(fd, SOL_PACKET, PACKET_TX_RING, &bar, sizeof(bar));
- ...
- rx_ring = mmap(0, size * 2, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
- tx_ring = rx_ring + size;
-
-RX must be the first as the kernel maps the TX ring memory right
-after the RX one.
-
-At the beginning of each frame there is an status field (see
-struct tpacket_hdr). If this field is 0 means that the frame is ready
-to be used for the kernel, If not, there is a frame the user can read
-and the following flags apply:
-
-+++ Capture process:
- from include/linux/if_packet.h
-
- #define TP_STATUS_COPY (1 << 1)
- #define TP_STATUS_LOSING (1 << 2)
- #define TP_STATUS_CSUMNOTREADY (1 << 3)
- #define TP_STATUS_CSUM_VALID (1 << 7)
-
-TP_STATUS_COPY : This flag indicates that the frame (and associated
- meta information) has been truncated because it's
- larger than tp_frame_size. This packet can be
- read entirely with recvfrom().
-
- In order to make this work it must to be
- enabled previously with setsockopt() and
- the PACKET_COPY_THRESH option.
-
- The number of frames that can be buffered to
- be read with recvfrom is limited like a normal socket.
- See the SO_RCVBUF option in the socket (7) man page.
-
-TP_STATUS_LOSING : indicates there were packet drops from last time
- statistics where checked with getsockopt() and
- the PACKET_STATISTICS option.
-
-TP_STATUS_CSUMNOTREADY: currently it's used for outgoing IP packets which
- its checksum will be done in hardware. So while
- reading the packet we should not try to check the
- checksum.
-
-TP_STATUS_CSUM_VALID : This flag indicates that at least the transport
- header checksum of the packet has been already
- validated on the kernel side. If the flag is not set
- then we are free to check the checksum by ourselves
- provided that TP_STATUS_CSUMNOTREADY is also not set.
-
-for convenience there are also the following defines:
-
- #define TP_STATUS_KERNEL 0
- #define TP_STATUS_USER 1
-
-The kernel initializes all frames to TP_STATUS_KERNEL, when the kernel
-receives a packet it puts in the buffer and updates the status with
-at least the TP_STATUS_USER flag. Then the user can read the packet,
-once the packet is read the user must zero the status field, so the kernel
-can use again that frame buffer.
-
-The user can use poll (any other variant should apply too) to check if new
-packets are in the ring:
-
- struct pollfd pfd;
-
- pfd.fd = fd;
- pfd.revents = 0;
- pfd.events = POLLIN|POLLRDNORM|POLLERR;
-
- if (status == TP_STATUS_KERNEL)
- retval = poll(&pfd, 1, timeout);
-
-It doesn't incur in a race condition to first check the status value and
-then poll for frames.
-
-++ Transmission process
-Those defines are also used for transmission:
-
- #define TP_STATUS_AVAILABLE 0 // Frame is available
- #define TP_STATUS_SEND_REQUEST 1 // Frame will be sent on next send()
- #define TP_STATUS_SENDING 2 // Frame is currently in transmission
- #define TP_STATUS_WRONG_FORMAT 4 // Frame format is not correct
-
-First, the kernel initializes all frames to TP_STATUS_AVAILABLE. To send a
-packet, the user fills a data buffer of an available frame, sets tp_len to
-current data buffer size and sets its status field to TP_STATUS_SEND_REQUEST.
-This can be done on multiple frames. Once the user is ready to transmit, it
-calls send(). Then all buffers with status equal to TP_STATUS_SEND_REQUEST are
-forwarded to the network device. The kernel updates each status of sent
-frames with TP_STATUS_SENDING until the end of transfer.
-At the end of each transfer, buffer status returns to TP_STATUS_AVAILABLE.
-
- header->tp_len = in_i_size;
- header->tp_status = TP_STATUS_SEND_REQUEST;
- retval = send(this->socket, NULL, 0, 0);
-
-The user can also use poll() to check if a buffer is available:
-(status == TP_STATUS_SENDING)
-
- struct pollfd pfd;
- pfd.fd = fd;
- pfd.revents = 0;
- pfd.events = POLLOUT;
- retval = poll(&pfd, 1, timeout);
-
--------------------------------------------------------------------------------
-+ What TPACKET versions are available and when to use them?
--------------------------------------------------------------------------------
-
- int val = tpacket_version;
- setsockopt(fd, SOL_PACKET, PACKET_VERSION, &val, sizeof(val));
- getsockopt(fd, SOL_PACKET, PACKET_VERSION, &val, sizeof(val));
-
-where 'tpacket_version' can be TPACKET_V1 (default), TPACKET_V2, TPACKET_V3.
-
-TPACKET_V1:
- - Default if not otherwise specified by setsockopt(2)
- - RX_RING, TX_RING available
-
-TPACKET_V1 --> TPACKET_V2:
- - Made 64 bit clean due to unsigned long usage in TPACKET_V1
- structures, thus this also works on 64 bit kernel with 32 bit
- userspace and the like
- - Timestamp resolution in nanoseconds instead of microseconds
- - RX_RING, TX_RING available
- - VLAN metadata information available for packets
- (TP_STATUS_VLAN_VALID, TP_STATUS_VLAN_TPID_VALID),
- in the tpacket2_hdr structure:
- - TP_STATUS_VLAN_VALID bit being set into the tp_status field indicates
- that the tp_vlan_tci field has valid VLAN TCI value
- - TP_STATUS_VLAN_TPID_VALID bit being set into the tp_status field
- indicates that the tp_vlan_tpid field has valid VLAN TPID value
- - How to switch to TPACKET_V2:
- 1. Replace struct tpacket_hdr by struct tpacket2_hdr
- 2. Query header len and save
- 3. Set protocol version to 2, set up ring as usual
- 4. For getting the sockaddr_ll,
- use (void *)hdr + TPACKET_ALIGN(hdrlen) instead of
- (void *)hdr + TPACKET_ALIGN(sizeof(struct tpacket_hdr))
-
-TPACKET_V2 --> TPACKET_V3:
- - Flexible buffer implementation for RX_RING:
- 1. Blocks can be configured with non-static frame-size
- 2. Read/poll is at a block-level (as opposed to packet-level)
- 3. Added poll timeout to avoid indefinite user-space wait
- on idle links
- 4. Added user-configurable knobs:
- 4.1 block::timeout
- 4.2 tpkt_hdr::sk_rxhash
- - RX Hash data available in user space
- - TX_RING semantics are conceptually similar to TPACKET_V2;
- use tpacket3_hdr instead of tpacket2_hdr, and TPACKET3_HDRLEN
- instead of TPACKET2_HDRLEN. In the current implementation,
- the tp_next_offset field in the tpacket3_hdr MUST be set to
- zero, indicating that the ring does not hold variable sized frames.
- Packets with non-zero values of tp_next_offset will be dropped.
-
--------------------------------------------------------------------------------
-+ AF_PACKET fanout mode
--------------------------------------------------------------------------------
-
-In the AF_PACKET fanout mode, packet reception can be load balanced among
-processes. This also works in combination with mmap(2) on packet sockets.
-
-Currently implemented fanout policies are:
-
- - PACKET_FANOUT_HASH: schedule to socket by skb's packet hash
- - PACKET_FANOUT_LB: schedule to socket by round-robin
- - PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
- - PACKET_FANOUT_RND: schedule to socket by random selection
- - PACKET_FANOUT_ROLLOVER: if one socket is full, rollover to another
- - PACKET_FANOUT_QM: schedule to socket by skbs recorded queue_mapping
-
-Minimal example code by David S. Miller (try things like "./test eth0 hash",
-"./test eth0 lb", etc.):
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-
-#include <unistd.h>
-
-#include <linux/if_ether.h>
-#include <linux/if_packet.h>
-
-#include <net/if.h>
-
-static const char *device_name;
-static int fanout_type;
-static int fanout_id;
-
-#ifndef PACKET_FANOUT
-# define PACKET_FANOUT 18
-# define PACKET_FANOUT_HASH 0
-# define PACKET_FANOUT_LB 1
-#endif
-
-static int setup_socket(void)
-{
- int err, fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_IP));
- struct sockaddr_ll ll;
- struct ifreq ifr;
- int fanout_arg;
-
- if (fd < 0) {
- perror("socket");
- return EXIT_FAILURE;
- }
-
- memset(&ifr, 0, sizeof(ifr));
- strcpy(ifr.ifr_name, device_name);
- err = ioctl(fd, SIOCGIFINDEX, &ifr);
- if (err < 0) {
- perror("SIOCGIFINDEX");
- return EXIT_FAILURE;
- }
-
- memset(&ll, 0, sizeof(ll));
- ll.sll_family = AF_PACKET;
- ll.sll_ifindex = ifr.ifr_ifindex;
- err = bind(fd, (struct sockaddr *) &ll, sizeof(ll));
- if (err < 0) {
- perror("bind");
- return EXIT_FAILURE;
- }
-
- fanout_arg = (fanout_id | (fanout_type << 16));
- err = setsockopt(fd, SOL_PACKET, PACKET_FANOUT,
- &fanout_arg, sizeof(fanout_arg));
- if (err) {
- perror("setsockopt");
- return EXIT_FAILURE;
- }
-
- return fd;
-}
-
-static void fanout_thread(void)
-{
- int fd = setup_socket();
- int limit = 10000;
-
- if (fd < 0)
- exit(fd);
-
- while (limit-- > 0) {
- char buf[1600];
- int err;
-
- err = read(fd, buf, sizeof(buf));
- if (err < 0) {
- perror("read");
- exit(EXIT_FAILURE);
- }
- if ((limit % 10) == 0)
- fprintf(stdout, "(%d) \n", getpid());
- }
-
- fprintf(stdout, "%d: Received 10000 packets\n", getpid());
-
- close(fd);
- exit(0);
-}
-
-int main(int argc, char **argp)
-{
- int fd, err;
- int i;
-
- if (argc != 3) {
- fprintf(stderr, "Usage: %s INTERFACE {hash|lb}\n", argp[0]);
- return EXIT_FAILURE;
- }
-
- if (!strcmp(argp[2], "hash"))
- fanout_type = PACKET_FANOUT_HASH;
- else if (!strcmp(argp[2], "lb"))
- fanout_type = PACKET_FANOUT_LB;
- else {
- fprintf(stderr, "Unknown fanout type [%s]\n", argp[2]);
- exit(EXIT_FAILURE);
- }
-
- device_name = argp[1];
- fanout_id = getpid() & 0xffff;
-
- for (i = 0; i < 4; i++) {
- pid_t pid = fork();
-
- switch (pid) {
- case 0:
- fanout_thread();
-
- case -1:
- perror("fork");
- exit(EXIT_FAILURE);
- }
- }
-
- for (i = 0; i < 4; i++) {
- int status;
-
- wait(&status);
- }
-
- return 0;
-}
-
--------------------------------------------------------------------------------
-+ AF_PACKET TPACKET_V3 example
--------------------------------------------------------------------------------
-
-AF_PACKET's TPACKET_V3 ring buffer can be configured to use non-static frame
-sizes by doing it's own memory management. It is based on blocks where polling
-works on a per block basis instead of per ring as in TPACKET_V2 and predecessor.
-
-It is said that TPACKET_V3 brings the following benefits:
- *) ~15 - 20% reduction in CPU-usage
- *) ~20% increase in packet capture rate
- *) ~2x increase in packet density
- *) Port aggregation analysis
- *) Non static frame size to capture entire packet payload
-
-So it seems to be a good candidate to be used with packet fanout.
-
-Minimal example code by Daniel Borkmann based on Chetan Loke's lolpcap (compile
-it with gcc -Wall -O2 blob.c, and try things like "./a.out eth0", etc.):
-
-/* Written from scratch, but kernel-to-user space API usage
- * dissected from lolpcap:
- * Copyright 2011, Chetan Loke <loke.chetan@gmail.com>
- * License: GPL, version 2.0
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include <assert.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <poll.h>
-#include <unistd.h>
-#include <signal.h>
-#include <inttypes.h>
-#include <sys/socket.h>
-#include <sys/mman.h>
-#include <linux/if_packet.h>
-#include <linux/if_ether.h>
-#include <linux/ip.h>
-
-#ifndef likely
-# define likely(x) __builtin_expect(!!(x), 1)
-#endif
-#ifndef unlikely
-# define unlikely(x) __builtin_expect(!!(x), 0)
-#endif
-
-struct block_desc {
- uint32_t version;
- uint32_t offset_to_priv;
- struct tpacket_hdr_v1 h1;
-};
-
-struct ring {
- struct iovec *rd;
- uint8_t *map;
- struct tpacket_req3 req;
-};
-
-static unsigned long packets_total = 0, bytes_total = 0;
-static sig_atomic_t sigint = 0;
-
-static void sighandler(int num)
-{
- sigint = 1;
-}
-
-static int setup_socket(struct ring *ring, char *netdev)
-{
- int err, i, fd, v = TPACKET_V3;
- struct sockaddr_ll ll;
- unsigned int blocksiz = 1 << 22, framesiz = 1 << 11;
- unsigned int blocknum = 64;
-
- fd = socket(AF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
- if (fd < 0) {
- perror("socket");
- exit(1);
- }
-
- err = setsockopt(fd, SOL_PACKET, PACKET_VERSION, &v, sizeof(v));
- if (err < 0) {
- perror("setsockopt");
- exit(1);
- }
-
- memset(&ring->req, 0, sizeof(ring->req));
- ring->req.tp_block_size = blocksiz;
- ring->req.tp_frame_size = framesiz;
- ring->req.tp_block_nr = blocknum;
- ring->req.tp_frame_nr = (blocksiz * blocknum) / framesiz;
- ring->req.tp_retire_blk_tov = 60;
- ring->req.tp_feature_req_word = TP_FT_REQ_FILL_RXHASH;
-
- err = setsockopt(fd, SOL_PACKET, PACKET_RX_RING, &ring->req,
- sizeof(ring->req));
- if (err < 0) {
- perror("setsockopt");
- exit(1);
- }
-
- ring->map = mmap(NULL, ring->req.tp_block_size * ring->req.tp_block_nr,
- PROT_READ | PROT_WRITE, MAP_SHARED | MAP_LOCKED, fd, 0);
- if (ring->map == MAP_FAILED) {
- perror("mmap");
- exit(1);
- }
-
- ring->rd = malloc(ring->req.tp_block_nr * sizeof(*ring->rd));
- assert(ring->rd);
- for (i = 0; i < ring->req.tp_block_nr; ++i) {
- ring->rd[i].iov_base = ring->map + (i * ring->req.tp_block_size);
- ring->rd[i].iov_len = ring->req.tp_block_size;
- }
-
- memset(&ll, 0, sizeof(ll));
- ll.sll_family = PF_PACKET;
- ll.sll_protocol = htons(ETH_P_ALL);
- ll.sll_ifindex = if_nametoindex(netdev);
- ll.sll_hatype = 0;
- ll.sll_pkttype = 0;
- ll.sll_halen = 0;
-
- err = bind(fd, (struct sockaddr *) &ll, sizeof(ll));
- if (err < 0) {
- perror("bind");
- exit(1);
- }
-
- return fd;
-}
-
-static void display(struct tpacket3_hdr *ppd)
-{
- struct ethhdr *eth = (struct ethhdr *) ((uint8_t *) ppd + ppd->tp_mac);
- struct iphdr *ip = (struct iphdr *) ((uint8_t *) eth + ETH_HLEN);
-
- if (eth->h_proto == htons(ETH_P_IP)) {
- struct sockaddr_in ss, sd;
- char sbuff[NI_MAXHOST], dbuff[NI_MAXHOST];
-
- memset(&ss, 0, sizeof(ss));
- ss.sin_family = PF_INET;
- ss.sin_addr.s_addr = ip->saddr;
- getnameinfo((struct sockaddr *) &ss, sizeof(ss),
- sbuff, sizeof(sbuff), NULL, 0, NI_NUMERICHOST);
-
- memset(&sd, 0, sizeof(sd));
- sd.sin_family = PF_INET;
- sd.sin_addr.s_addr = ip->daddr;
- getnameinfo((struct sockaddr *) &sd, sizeof(sd),
- dbuff, sizeof(dbuff), NULL, 0, NI_NUMERICHOST);
-
- printf("%s -> %s, ", sbuff, dbuff);
- }
-
- printf("rxhash: 0x%x\n", ppd->hv1.tp_rxhash);
-}
-
-static void walk_block(struct block_desc *pbd, const int block_num)
-{
- int num_pkts = pbd->h1.num_pkts, i;
- unsigned long bytes = 0;
- struct tpacket3_hdr *ppd;
-
- ppd = (struct tpacket3_hdr *) ((uint8_t *) pbd +
- pbd->h1.offset_to_first_pkt);
- for (i = 0; i < num_pkts; ++i) {
- bytes += ppd->tp_snaplen;
- display(ppd);
-
- ppd = (struct tpacket3_hdr *) ((uint8_t *) ppd +
- ppd->tp_next_offset);
- }
-
- packets_total += num_pkts;
- bytes_total += bytes;
-}
-
-static void flush_block(struct block_desc *pbd)
-{
- pbd->h1.block_status = TP_STATUS_KERNEL;
-}
-
-static void teardown_socket(struct ring *ring, int fd)
-{
- munmap(ring->map, ring->req.tp_block_size * ring->req.tp_block_nr);
- free(ring->rd);
- close(fd);
-}
-
-int main(int argc, char **argp)
-{
- int fd, err;
- socklen_t len;
- struct ring ring;
- struct pollfd pfd;
- unsigned int block_num = 0, blocks = 64;
- struct block_desc *pbd;
- struct tpacket_stats_v3 stats;
-
- if (argc != 2) {
- fprintf(stderr, "Usage: %s INTERFACE\n", argp[0]);
- return EXIT_FAILURE;
- }
-
- signal(SIGINT, sighandler);
-
- memset(&ring, 0, sizeof(ring));
- fd = setup_socket(&ring, argp[argc - 1]);
- assert(fd > 0);
-
- memset(&pfd, 0, sizeof(pfd));
- pfd.fd = fd;
- pfd.events = POLLIN | POLLERR;
- pfd.revents = 0;
-
- while (likely(!sigint)) {
- pbd = (struct block_desc *) ring.rd[block_num].iov_base;
-
- if ((pbd->h1.block_status & TP_STATUS_USER) == 0) {
- poll(&pfd, 1, -1);
- continue;
- }
-
- walk_block(pbd, block_num);
- flush_block(pbd);
- block_num = (block_num + 1) % blocks;
- }
-
- len = sizeof(stats);
- err = getsockopt(fd, SOL_PACKET, PACKET_STATISTICS, &stats, &len);
- if (err < 0) {
- perror("getsockopt");
- exit(1);
- }
-
- fflush(stdout);
- printf("\nReceived %u packets, %lu bytes, %u dropped, freeze_q_cnt: %u\n",
- stats.tp_packets, bytes_total, stats.tp_drops,
- stats.tp_freeze_q_cnt);
-
- teardown_socket(&ring, fd);
- return 0;
-}
-
--------------------------------------------------------------------------------
-+ PACKET_QDISC_BYPASS
--------------------------------------------------------------------------------
-
-If there is a requirement to load the network with many packets in a similar
-fashion as pktgen does, you might set the following option after socket
-creation:
-
- int one = 1;
- setsockopt(fd, SOL_PACKET, PACKET_QDISC_BYPASS, &one, sizeof(one));
-
-This has the side-effect, that packets sent through PF_PACKET will bypass the
-kernel's qdisc layer and are forcedly pushed to the driver directly. Meaning,
-packet are not buffered, tc disciplines are ignored, increased loss can occur
-and such packets are also not visible to other PF_PACKET sockets anymore. So,
-you have been warned; generally, this can be useful for stress testing various
-components of a system.
-
-On default, PACKET_QDISC_BYPASS is disabled and needs to be explicitly enabled
-on PF_PACKET sockets.
-
--------------------------------------------------------------------------------
-+ PACKET_TIMESTAMP
--------------------------------------------------------------------------------
-
-The PACKET_TIMESTAMP setting determines the source of the timestamp in
-the packet meta information for mmap(2)ed RX_RING and TX_RINGs. If your
-NIC is capable of timestamping packets in hardware, you can request those
-hardware timestamps to be used. Note: you may need to enable the generation
-of hardware timestamps with SIOCSHWTSTAMP (see related information from
-Documentation/networking/timestamping.txt).
-
-PACKET_TIMESTAMP accepts the same integer bit field as SO_TIMESTAMPING:
-
- int req = SOF_TIMESTAMPING_RAW_HARDWARE;
- setsockopt(fd, SOL_PACKET, PACKET_TIMESTAMP, (void *) &req, sizeof(req))
-
-For the mmap(2)ed ring buffers, such timestamps are stored in the
-tpacket{,2,3}_hdr structure's tp_sec and tp_{n,u}sec members. To determine
-what kind of timestamp has been reported, the tp_status field is binary |'ed
-with the following possible bits ...
-
- TP_STATUS_TS_RAW_HARDWARE
- TP_STATUS_TS_SOFTWARE
-
-... that are equivalent to its SOF_TIMESTAMPING_* counterparts. For the
-RX_RING, if neither is set (i.e. PACKET_TIMESTAMP is not set), then a
-software fallback was invoked *within* PF_PACKET's processing code (less
-precise).
-
-Getting timestamps for the TX_RING works as follows: i) fill the ring frames,
-ii) call sendto() e.g. in blocking mode, iii) wait for status of relevant
-frames to be updated resp. the frame handed over to the application, iv) walk
-through the frames to pick up the individual hw/sw timestamps.
-
-Only (!) if transmit timestamping is enabled, then these bits are combined
-with binary | with TP_STATUS_AVAILABLE, so you must check for that in your
-application (e.g. !(tp_status & (TP_STATUS_SEND_REQUEST | TP_STATUS_SENDING))
-in a first step to see if the frame belongs to the application, and then
-one can extract the type of timestamp in a second step from tp_status)!
-
-If you don't care about them, thus having it disabled, checking for
-TP_STATUS_AVAILABLE resp. TP_STATUS_WRONG_FORMAT is sufficient. If in the
-TX_RING part only TP_STATUS_AVAILABLE is set, then the tp_sec and tp_{n,u}sec
-members do not contain a valid value. For TX_RINGs, by default no timestamp
-is generated!
-
-See include/linux/net_tstamp.h and Documentation/networking/timestamping.txt
-for more information on hardware timestamps.
-
--------------------------------------------------------------------------------
-+ Miscellaneous bits
--------------------------------------------------------------------------------
-
-- Packet sockets work well together with Linux socket filters, thus you also
- might want to have a look at Documentation/networking/filter.txt
-
---------------------------------------------------------------------------------
-+ THANKS
---------------------------------------------------------------------------------
-
- Jesse Brandeburg, for fixing my grammathical/spelling errors
-
diff --git a/Documentation/networking/phonet.txt b/Documentation/networking/phonet.rst
index 81003581f47a..8668dcbc5e6a 100644
--- a/Documentation/networking/phonet.txt
+++ b/Documentation/networking/phonet.rst
@@ -1,3 +1,7 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
+
+============================
Linux Phonet protocol family
============================
@@ -11,6 +15,7 @@ device attached to the modem. The modem takes care of routing.
Phonet packets can be exchanged through various hardware connections
depending on the device, such as:
+
- USB with the CDC Phonet interface,
- infrared,
- Bluetooth,
@@ -21,7 +26,7 @@ depending on the device, such as:
Packets format
--------------
-Phonet packets have a common header as follows:
+Phonet packets have a common header as follows::
struct phonethdr {
uint8_t pn_media; /* Media type (link-layer identifier) */
@@ -72,7 +77,7 @@ only the (default) Linux FIFO qdisc should be used with them.
Network layer
-------------
-The Phonet socket address family maps the Phonet packet header:
+The Phonet socket address family maps the Phonet packet header::
struct sockaddr_pn {
sa_family_t spn_family; /* AF_PHONET */
@@ -94,6 +99,8 @@ protocol from the PF_PHONET family. Each socket is bound to one of the
2^10 object IDs available, and can send and receive packets with any
other peer.
+::
+
struct sockaddr_pn addr = { .spn_family = AF_PHONET, };
ssize_t len;
socklen_t addrlen = sizeof(addr);
@@ -105,7 +112,7 @@ other peer.
sendto(fd, msg, msglen, 0, (struct sockaddr *)&addr, sizeof(addr));
len = recvfrom(fd, buf, sizeof(buf), 0,
- (struct sockaddr *)&addr, &addrlen);
+ (struct sockaddr *)&addr, &addrlen);
This protocol follows the SOCK_DGRAM connection-less semantics.
However, connect() and getpeername() are not supported, as they did
@@ -116,7 +123,7 @@ Resource subscription
---------------------
A Phonet datagram socket can be subscribed to any number of 8-bits
-Phonet resources, as follow:
+Phonet resources, as follow::
uint32_t res = 0xXX;
ioctl(fd, SIOCPNADDRESOURCE, &res);
@@ -137,6 +144,8 @@ socket paradigm. The listening socket is bound to an unique free object
ID. Each listening socket can handle up to 255 simultaneous
connections, one per accept()'d socket.
+::
+
int lfd, cfd;
lfd = socket(PF_PHONET, SOCK_SEQPACKET, PN_PROTO_PIPE);
@@ -161,7 +170,7 @@ Connections are traditionally established between two endpoints by a
As of Linux kernel version 2.6.39, it is also possible to connect
two endpoints directly, using connect() on the active side. This is
intended to support the newer Nokia Wireless Modem API, as found in
-e.g. the Nokia Slim Modem in the ST-Ericsson U8500 platform:
+e.g. the Nokia Slim Modem in the ST-Ericsson U8500 platform::
struct sockaddr_spn spn;
int fd;
@@ -177,38 +186,45 @@ e.g. the Nokia Slim Modem in the ST-Ericsson U8500 platform:
close(fd);
-WARNING:
-When polling a connected pipe socket for writability, there is an
-intrinsic race condition whereby writability might be lost between the
-polling and the writing system calls. In this case, the socket will
-block until write becomes possible again, unless non-blocking mode
-is enabled.
+.. Warning:
+
+ When polling a connected pipe socket for writability, there is an
+ intrinsic race condition whereby writability might be lost between the
+ polling and the writing system calls. In this case, the socket will
+ block until write becomes possible again, unless non-blocking mode
+ is enabled.
The pipe protocol provides two socket options at the SOL_PNPIPE level:
PNPIPE_ENCAP accepts one integer value (int) of:
- PNPIPE_ENCAP_NONE: The socket operates normally (default).
+ PNPIPE_ENCAP_NONE:
+ The socket operates normally (default).
- PNPIPE_ENCAP_IP: The socket is used as a backend for a virtual IP
+ PNPIPE_ENCAP_IP:
+ The socket is used as a backend for a virtual IP
interface. This requires CAP_NET_ADMIN capability. GPRS data
support on Nokia modems can use this. Note that the socket cannot
be reliably poll()'d or read() from while in this mode.
- PNPIPE_IFINDEX is a read-only integer value. It contains the
- interface index of the network interface created by PNPIPE_ENCAP,
- or zero if encapsulation is off.
+ PNPIPE_IFINDEX
+ is a read-only integer value. It contains the
+ interface index of the network interface created by PNPIPE_ENCAP,
+ or zero if encapsulation is off.
- PNPIPE_HANDLE is a read-only integer value. It contains the underlying
- identifier ("pipe handle") of the pipe. This is only defined for
- socket descriptors that are already connected or being connected.
+ PNPIPE_HANDLE
+ is a read-only integer value. It contains the underlying
+ identifier ("pipe handle") of the pipe. This is only defined for
+ socket descriptors that are already connected or being connected.
Authors
-------
Linux Phonet was initially written by Sakari Ailus.
+
Other contributors include Mikä Liljeberg, Andras Domokos,
Carlos Chinea and Rémi Denis-Courmont.
-Copyright (C) 2008 Nokia Corporation.
+
+Copyright |copy| 2008 Nokia Corporation.
diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.rst
index d2fd78f85aa4..7afa1c9f1183 100644
--- a/Documentation/networking/pktgen.txt
+++ b/Documentation/networking/pktgen.rst
@@ -1,7 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
-
- HOWTO for the linux packet generator
- ------------------------------------
+====================================
+HOWTO for the linux packet generator
+====================================
Enable CONFIG_NET_PKTGEN to compile and build pktgen either in-kernel
or as a module. A module is preferred; modprobe pktgen if needed. Once
@@ -9,17 +10,18 @@ running, pktgen creates a thread for each CPU with affinity to that CPU.
Monitoring and controlling is done via /proc. It is easiest to select a
suitable sample script and configure that.
-On a dual CPU:
+On a dual CPU::
+
+ ps aux | grep pkt
+ root 129 0.3 0.0 0 0 ? SW 2003 523:20 [kpktgend_0]
+ root 130 0.3 0.0 0 0 ? SW 2003 509:50 [kpktgend_1]
-ps aux | grep pkt
-root 129 0.3 0.0 0 0 ? SW 2003 523:20 [kpktgend_0]
-root 130 0.3 0.0 0 0 ? SW 2003 509:50 [kpktgend_1]
+For monitoring and control pktgen creates::
-For monitoring and control pktgen creates:
/proc/net/pktgen/pgctrl
/proc/net/pktgen/kpktgend_X
- /proc/net/pktgen/ethX
+ /proc/net/pktgen/ethX
Tuning NIC for max performance
@@ -28,7 +30,8 @@ Tuning NIC for max performance
The default NIC settings are (likely) not tuned for pktgen's artificial
overload type of benchmarking, as this could hurt the normal use-case.
-Specifically increasing the TX ring buffer in the NIC:
+Specifically increasing the TX ring buffer in the NIC::
+
# ethtool -G ethX tx 1024
A larger TX ring can improve pktgen's performance, while it can hurt
@@ -46,7 +49,8 @@ This cleanup issue is specifically the case for the driver ixgbe
and the cleanup interval is affected by the ethtool --coalesce setting
of parameter "rx-usecs".
-For ixgbe use e.g. "30" resulting in approx 33K interrupts/sec (1/30*10^6):
+For ixgbe use e.g. "30" resulting in approx 33K interrupts/sec (1/30*10^6)::
+
# ethtool -C ethX rx-usecs 30
@@ -55,7 +59,7 @@ Kernel threads
Pktgen creates a thread for each CPU with affinity to that CPU.
Which is controlled through procfile /proc/net/pktgen/kpktgend_X.
-Example: /proc/net/pktgen/kpktgend_0
+Example: /proc/net/pktgen/kpktgend_0::
Running:
Stopped: eth4@0
@@ -64,6 +68,7 @@ Example: /proc/net/pktgen/kpktgend_0
Most important are the devices assigned to the thread.
The two basic thread commands are:
+
* add_device DEVICE@NAME -- adds a single device
* rem_device_all -- remove all associated devices
@@ -73,7 +78,7 @@ be unique.
To support adding the same device to multiple threads, which is useful
with multi queue NICs, the device naming scheme is extended with "@":
- device@something
+device@something
The part after "@" can be anything, but it is custom to use the thread
number.
@@ -83,30 +88,30 @@ Viewing devices
The Params section holds configured information. The Current section
holds running statistics. The Result is printed after a run or after
-interruption. Example:
-
-/proc/net/pktgen/eth4@0
-
- Params: count 100000 min_pkt_size: 60 max_pkt_size: 60
- frags: 0 delay: 0 clone_skb: 64 ifname: eth4@0
- flows: 0 flowlen: 0
- queue_map_min: 0 queue_map_max: 0
- dst_min: 192.168.81.2 dst_max:
- src_min: src_max:
- src_mac: 90:e2:ba:0a:56:b4 dst_mac: 00:1b:21:3c:9d:f8
- udp_src_min: 9 udp_src_max: 109 udp_dst_min: 9 udp_dst_max: 9
- src_mac_count: 0 dst_mac_count: 0
- Flags: UDPSRC_RND NO_TIMESTAMP QUEUE_MAP_CPU
- Current:
- pkts-sofar: 100000 errors: 0
- started: 623913381008us stopped: 623913396439us idle: 25us
- seq_num: 100001 cur_dst_mac_offset: 0 cur_src_mac_offset: 0
- cur_saddr: 192.168.8.3 cur_daddr: 192.168.81.2
- cur_udp_dst: 9 cur_udp_src: 42
- cur_queue_map: 0
- flows: 0
- Result: OK: 15430(c15405+d25) usec, 100000 (60byte,0frags)
- 6480562pps 3110Mb/sec (3110669760bps) errors: 0
+interruption. Example::
+
+ /proc/net/pktgen/eth4@0
+
+ Params: count 100000 min_pkt_size: 60 max_pkt_size: 60
+ frags: 0 delay: 0 clone_skb: 64 ifname: eth4@0
+ flows: 0 flowlen: 0
+ queue_map_min: 0 queue_map_max: 0
+ dst_min: 192.168.81.2 dst_max:
+ src_min: src_max:
+ src_mac: 90:e2:ba:0a:56:b4 dst_mac: 00:1b:21:3c:9d:f8
+ udp_src_min: 9 udp_src_max: 109 udp_dst_min: 9 udp_dst_max: 9
+ src_mac_count: 0 dst_mac_count: 0
+ Flags: UDPSRC_RND NO_TIMESTAMP QUEUE_MAP_CPU
+ Current:
+ pkts-sofar: 100000 errors: 0
+ started: 623913381008us stopped: 623913396439us idle: 25us
+ seq_num: 100001 cur_dst_mac_offset: 0 cur_src_mac_offset: 0
+ cur_saddr: 192.168.8.3 cur_daddr: 192.168.81.2
+ cur_udp_dst: 9 cur_udp_src: 42
+ cur_queue_map: 0
+ flows: 0
+ Result: OK: 15430(c15405+d25) usec, 100000 (60byte,0frags)
+ 6480562pps 3110Mb/sec (3110669760bps) errors: 0
Configuring devices
@@ -114,11 +119,12 @@ Configuring devices
This is done via the /proc interface, and most easily done via pgset
as defined in the sample scripts.
You need to specify PGDEV environment variable to use functions from sample
-scripts, i.e.:
-export PGDEV=/proc/net/pktgen/eth4@0
-source samples/pktgen/functions.sh
+scripts, i.e.::
+
+ export PGDEV=/proc/net/pktgen/eth4@0
+ source samples/pktgen/functions.sh
-Examples:
+Examples::
pg_ctrl start starts injection.
pg_ctrl stop aborts injection. Also, ^C aborts generator.
@@ -126,17 +132,17 @@ Examples:
pgset "clone_skb 1" sets the number of copies of the same packet
pgset "clone_skb 0" use single SKB for all transmits
pgset "burst 8" uses xmit_more API to queue 8 copies of the same
- packet and update HW tx queue tail pointer once.
- "burst 1" is the default
+ packet and update HW tx queue tail pointer once.
+ "burst 1" is the default
pgset "pkt_size 9014" sets packet size to 9014
pgset "frags 5" packet will consist of 5 fragments
pgset "count 200000" sets number of packets to send, set to zero
- for continuous sends until explicitly stopped.
+ for continuous sends until explicitly stopped.
pgset "delay 5000" adds delay to hard_start_xmit(). nanoseconds
pgset "dst 10.0.0.1" sets IP destination address
- (BEWARE! This generator is very aggressive!)
+ (BEWARE! This generator is very aggressive!)
pgset "dst_min 10.0.0.1" Same as dst
pgset "dst_max 10.0.0.254" Set the maximum destination IP.
@@ -149,46 +155,46 @@ Examples:
pgset "queue_map_min 0" Sets the min value of tx queue interval
pgset "queue_map_max 7" Sets the max value of tx queue interval, for multiqueue devices
- To select queue 1 of a given device,
- use queue_map_min=1 and queue_map_max=1
+ To select queue 1 of a given device,
+ use queue_map_min=1 and queue_map_max=1
pgset "src_mac_count 1" Sets the number of MACs we'll range through.
- The 'minimum' MAC is what you set with srcmac.
+ The 'minimum' MAC is what you set with srcmac.
pgset "dst_mac_count 1" Sets the number of MACs we'll range through.
- The 'minimum' MAC is what you set with dstmac.
+ The 'minimum' MAC is what you set with dstmac.
pgset "flag [name]" Set a flag to determine behaviour. Current flags
- are: IPSRC_RND # IP source is random (between min/max)
- IPDST_RND # IP destination is random
- UDPSRC_RND, UDPDST_RND,
- MACSRC_RND, MACDST_RND
- TXSIZE_RND, IPV6,
- MPLS_RND, VID_RND, SVID_RND
- FLOW_SEQ,
- QUEUE_MAP_RND # queue map random
- QUEUE_MAP_CPU # queue map mirrors smp_processor_id()
- UDPCSUM,
- IPSEC # IPsec encapsulation (needs CONFIG_XFRM)
- NODE_ALLOC # node specific memory allocation
- NO_TIMESTAMP # disable timestamping
+ are: IPSRC_RND # IP source is random (between min/max)
+ IPDST_RND # IP destination is random
+ UDPSRC_RND, UDPDST_RND,
+ MACSRC_RND, MACDST_RND
+ TXSIZE_RND, IPV6,
+ MPLS_RND, VID_RND, SVID_RND
+ FLOW_SEQ,
+ QUEUE_MAP_RND # queue map random
+ QUEUE_MAP_CPU # queue map mirrors smp_processor_id()
+ UDPCSUM,
+ IPSEC # IPsec encapsulation (needs CONFIG_XFRM)
+ NODE_ALLOC # node specific memory allocation
+ NO_TIMESTAMP # disable timestamping
pgset 'flag ![name]' Clear a flag to determine behaviour.
- Note that you might need to use single quote in
- interactive mode, so that your shell wouldn't expand
- the specified flag as a history command.
+ Note that you might need to use single quote in
+ interactive mode, so that your shell wouldn't expand
+ the specified flag as a history command.
pgset "spi [SPI_VALUE]" Set specific SA used to transform packet.
pgset "udp_src_min 9" set UDP source port min, If < udp_src_max, then
- cycle through the port range.
+ cycle through the port range.
pgset "udp_src_max 9" set UDP source port max.
pgset "udp_dst_min 9" set UDP destination port min, If < udp_dst_max, then
- cycle through the port range.
+ cycle through the port range.
pgset "udp_dst_max 9" set UDP destination port max.
pgset "mpls 0001000a,0002000a,0000000a" set MPLS labels (in this example
- outer label=16,middle label=32,
+ outer label=16,middle label=32,
inner label=0 (IPv4 NULL)) Note that
there must be no spaces between the
arguments. Leading zeros are required.
@@ -232,10 +238,14 @@ A collection of tutorial scripts and helpers for pktgen is in the
samples/pktgen directory. The helper parameters.sh file support easy
and consistent parameter parsing across the sample scripts.
-Usage example and help:
+Usage example and help::
+
./pktgen_sample01_simple.sh -i eth4 -m 00:1B:21:3C:9D:F8 -d 192.168.8.2
-Usage: ./pktgen_sample01_simple.sh [-vx] -i ethX
+Usage:::
+
+ ./pktgen_sample01_simple.sh [-vx] -i ethX
+
-i : ($DEV) output interface/device (required)
-s : ($PKT_SIZE) packet size
-d : ($DEST_IP) destination IP
@@ -250,13 +260,13 @@ The global variables being set are also listed. E.g. the required
interface/device parameter "-i" sets variable $DEV. Copy the
pktgen_sampleXX scripts and modify them to fit your own needs.
-The old scripts:
+The old scripts::
-pktgen.conf-1-2 # 1 CPU 2 dev
-pktgen.conf-1-1-rdos # 1 CPU 1 dev w. route DoS
-pktgen.conf-1-1-ip6 # 1 CPU 1 dev ipv6
-pktgen.conf-1-1-ip6-rdos # 1 CPU 1 dev ipv6 w. route DoS
-pktgen.conf-1-1-flows # 1 CPU 1 dev multiple flows.
+ pktgen.conf-1-2 # 1 CPU 2 dev
+ pktgen.conf-1-1-rdos # 1 CPU 1 dev w. route DoS
+ pktgen.conf-1-1-ip6 # 1 CPU 1 dev ipv6
+ pktgen.conf-1-1-ip6-rdos # 1 CPU 1 dev ipv6 w. route DoS
+ pktgen.conf-1-1-flows # 1 CPU 1 dev multiple flows.
Interrupt affinity
@@ -271,10 +281,10 @@ to the running threads CPU (directly from smp_processor_id()).
Enable IPsec
============
Default IPsec transformation with ESP encapsulation plus transport mode
-can be enabled by simply setting:
+can be enabled by simply setting::
-pgset "flag IPSEC"
-pgset "flows 1"
+ pgset "flag IPSEC"
+ pgset "flows 1"
To avoid breaking existing testbed scripts for using AH type and tunnel mode,
you can use "pgset spi SPI_VALUE" to specify which transformation mode
@@ -284,115 +294,117 @@ to employ.
Current commands and configuration options
==========================================
-** Pgcontrol commands:
+**Pgcontrol commands**::
-start
-stop
-reset
+ start
+ stop
+ reset
-** Thread commands:
+**Thread commands**::
-add_device
-rem_device_all
+ add_device
+ rem_device_all
-** Device commands:
+**Device commands**::
-count
-clone_skb
-burst
-debug
+ count
+ clone_skb
+ burst
+ debug
-frags
-delay
+ frags
+ delay
-src_mac_count
-dst_mac_count
+ src_mac_count
+ dst_mac_count
-pkt_size
-min_pkt_size
-max_pkt_size
+ pkt_size
+ min_pkt_size
+ max_pkt_size
-queue_map_min
-queue_map_max
-skb_priority
+ queue_map_min
+ queue_map_max
+ skb_priority
-tos (ipv4)
-traffic_class (ipv6)
+ tos (ipv4)
+ traffic_class (ipv6)
-mpls
+ mpls
-udp_src_min
-udp_src_max
+ udp_src_min
+ udp_src_max
-udp_dst_min
-udp_dst_max
+ udp_dst_min
+ udp_dst_max
-node
+ node
-flag
- IPSRC_RND
- IPDST_RND
- UDPSRC_RND
- UDPDST_RND
- MACSRC_RND
- MACDST_RND
- TXSIZE_RND
- IPV6
- MPLS_RND
- VID_RND
- SVID_RND
- FLOW_SEQ
- QUEUE_MAP_RND
- QUEUE_MAP_CPU
- UDPCSUM
- IPSEC
- NODE_ALLOC
- NO_TIMESTAMP
+ flag
+ IPSRC_RND
+ IPDST_RND
+ UDPSRC_RND
+ UDPDST_RND
+ MACSRC_RND
+ MACDST_RND
+ TXSIZE_RND
+ IPV6
+ MPLS_RND
+ VID_RND
+ SVID_RND
+ FLOW_SEQ
+ QUEUE_MAP_RND
+ QUEUE_MAP_CPU
+ UDPCSUM
+ IPSEC
+ NODE_ALLOC
+ NO_TIMESTAMP
-spi (ipsec)
+ spi (ipsec)
-dst_min
-dst_max
+ dst_min
+ dst_max
-src_min
-src_max
+ src_min
+ src_max
-dst_mac
-src_mac
+ dst_mac
+ src_mac
-clear_counters
+ clear_counters
-src6
-dst6
-dst6_max
-dst6_min
+ src6
+ dst6
+ dst6_max
+ dst6_min
-flows
-flowlen
+ flows
+ flowlen
-rate
-ratep
+ rate
+ ratep
-xmit_mode <start_xmit|netif_receive>
+ xmit_mode <start_xmit|netif_receive>
-vlan_cfi
-vlan_id
-vlan_p
+ vlan_cfi
+ vlan_id
+ vlan_p
-svlan_cfi
-svlan_id
-svlan_p
+ svlan_cfi
+ svlan_id
+ svlan_p
References:
-ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/
-ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/examples/
+
+- ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/
+- tp://robur.slu.se/pub/Linux/net-development/pktgen-testing/examples/
Paper from Linux-Kongress in Erlangen 2004.
-ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/pktgen_paper.pdf
+- ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/pktgen_paper.pdf
Thanks to:
+
Grant Grundler for testing on IA-64 and parisc, Harald Welte, Lennert Buytenhek
Stephen Hemminger, Andi Kleen, Dave Miller and many others.
diff --git a/Documentation/networking/PLIP.txt b/Documentation/networking/plip.rst
index ad7e3f7c3bbf..0eda745050ff 100644
--- a/Documentation/networking/PLIP.txt
+++ b/Documentation/networking/plip.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================================================
PLIP: The Parallel Line Internet Protocol Device
+================================================
Donald Becker (becker@super.org)
I.D.A. Supercomputing Research Center, Bowie MD 20715
@@ -83,7 +87,7 @@ When the PLIP driver is used in IRQ mode, the timeout used for triggering a
data transfer (the maximal time the PLIP driver would allow the other side
before announcing a timeout, when trying to handshake a transfer of some
data) is, by default, 500usec. As IRQ delivery is more or less immediate,
-this timeout is quite sufficient.
+this timeout is quite sufficient.
When in IRQ-less mode, the PLIP driver polls the parallel port HZ times
per second (where HZ is typically 100 on most platforms, and 1024 on an
@@ -115,7 +119,7 @@ printer "null" cable to transfer data four bits at a time using
data bit outputs connected to status bit inputs.
The second data transfer method relies on both machines having
-bi-directional parallel ports, rather than output-only ``printer''
+bi-directional parallel ports, rather than output-only ``printer``
ports. This allows byte-wide transfers and avoids reconstructing
nibbles into bytes, leading to much faster transfers.
@@ -132,7 +136,7 @@ bits with standard status register implementation.
A cable that implements this protocol is available commercially as a
"Null Printer" or "Turbo Laplink" cable. It can be constructed with
-two DB-25 male connectors symmetrically connected as follows:
+two DB-25 male connectors symmetrically connected as follows::
STROBE output 1*
D0->ERROR 2 - 15 15 - 2
@@ -146,7 +150,8 @@ two DB-25 male connectors symmetrically connected as follows:
SLCTIN 17 - 17
extra grounds are 18*,19*,20*,21*,22*,23*,24*
GROUND 25 - 25
-* Do not connect these pins on either end
+
+ * Do not connect these pins on either end
If the cable you are using has a metallic shield it should be
connected to the metallic DB-25 shell at one end only.
@@ -155,14 +160,14 @@ Parallel Transfer Mode 1
========================
The second data transfer method relies on both machines having
-bi-directional parallel ports, rather than output-only ``printer''
+bi-directional parallel ports, rather than output-only ``printer``
ports. This allows byte-wide transfers, and avoids reconstructing
nibbles into bytes. This cable should not be used on unidirectional
-``printer'' (as opposed to ``parallel'') ports or when the machine
+``printer`` (as opposed to ``parallel``) ports or when the machine
isn't configured for PLIP, as it will result in output driver
conflicts and the (unlikely) possibility of damage.
-The cable for this transfer mode should be constructed as follows:
+The cable for this transfer mode should be constructed as follows::
STROBE->BUSY 1 - 11
D0->D0 2 - 2
@@ -179,7 +184,8 @@ The cable for this transfer mode should be constructed as follows:
GND->ERROR 18 - 15
extra grounds are 19*,20*,21*,22*,23*,24*
GROUND 25 - 25
-* Do not connect these pins on either end
+
+ * Do not connect these pins on either end
Once again, if the cable you are using has a metallic shield it should
be connected to the metallic DB-25 shell at one end only.
@@ -188,7 +194,7 @@ PLIP Mode 0 transfer protocol
=============================
The PLIP driver is compatible with the "Crynwr" parallel port transfer
-standard in Mode 0. That standard specifies the following protocol:
+standard in Mode 0. That standard specifies the following protocol::
send header nibble '0x8'
count-low octet
@@ -196,20 +202,21 @@ standard in Mode 0. That standard specifies the following protocol:
... data octets
checksum octet
-Each octet is sent as
+Each octet is sent as::
+
<wait for rx. '0x1?'> <send 0x10+(octet&0x0F)>
<wait for rx. '0x0?'> <send 0x00+((octet>>4)&0x0F)>
To start a transfer the transmitting machine outputs a nibble 0x08.
That raises the ACK line, triggering an interrupt in the receiving
machine. The receiving machine disables interrupts and raises its own ACK
-line.
+line.
-Restated:
+Restated::
-(OUT is bit 0-4, OUT.j is bit j from OUT. IN likewise)
-Send_Byte:
- OUT := low nibble, OUT.4 := 1
- WAIT FOR IN.4 = 1
- OUT := high nibble, OUT.4 := 0
- WAIT FOR IN.4 = 0
+ (OUT is bit 0-4, OUT.j is bit j from OUT. IN likewise)
+ Send_Byte:
+ OUT := low nibble, OUT.4 := 1
+ WAIT FOR IN.4 = 1
+ OUT := high nibble, OUT.4 := 0
+ WAIT FOR IN.4 = 0
diff --git a/Documentation/networking/ppp_generic.txt b/Documentation/networking/ppp_generic.rst
index fd563aff5fc9..e60504377900 100644
--- a/Documentation/networking/ppp_generic.txt
+++ b/Documentation/networking/ppp_generic.rst
@@ -1,8 +1,12 @@
- PPP Generic Driver and Channel Interface
- ----------------------------------------
+.. SPDX-License-Identifier: GPL-2.0
- Paul Mackerras
+========================================
+PPP Generic Driver and Channel Interface
+========================================
+
+ Paul Mackerras
paulus@samba.org
+
7 Feb 2002
The generic PPP driver in linux-2.4 provides an implementation of the
@@ -19,7 +23,7 @@ functionality which is of use in any PPP implementation, including:
* simple packet filtering
For sending and receiving PPP frames, the generic PPP driver calls on
-the services of PPP `channels'. A PPP channel encapsulates a
+the services of PPP ``channels``. A PPP channel encapsulates a
mechanism for transporting PPP frames from one machine to another. A
PPP channel implementation can be arbitrarily complex internally but
has a very simple interface with the generic PPP code: it merely has
@@ -102,7 +106,7 @@ communications medium and prepare it to do PPP. For example, with an
async tty, this can involve setting the tty speed and modes, issuing
modem commands, and then going through some sort of dialog with the
remote system to invoke PPP service there. We refer to this process
-as `discovery'. Then the user-level process tells the medium to
+as ``discovery``. Then the user-level process tells the medium to
become a PPP channel and register itself with the generic PPP layer.
The channel then has to report the channel number assigned to it back
to the user-level process. From that point, the PPP negotiation code
@@ -111,8 +115,8 @@ negotiation, accessing the channel through the /dev/ppp interface.
At the interface to the PPP generic layer, PPP frames are stored in
skbuff structures and start with the two-byte PPP protocol number.
-The frame does *not* include the 0xff `address' byte or the 0x03
-`control' byte that are optionally used in async PPP. Nor is there
+The frame does *not* include the 0xff ``address`` byte or the 0x03
+``control`` byte that are optionally used in async PPP. Nor is there
any escaping of control characters, nor are there any FCS or framing
characters included. That is all the responsibility of the channel
code, if it is needed for the particular medium. That is, the skbuffs
@@ -121,16 +125,16 @@ protocol number and the data, and the skbuffs presented to ppp_input()
must be in the same format.
The channel must provide an instance of a ppp_channel struct to
-represent the channel. The channel is free to use the `private' field
-however it wishes. The channel should initialize the `mtu' and
-`hdrlen' fields before calling ppp_register_channel() and not change
-them until after ppp_unregister_channel() returns. The `mtu' field
+represent the channel. The channel is free to use the ``private`` field
+however it wishes. The channel should initialize the ``mtu`` and
+``hdrlen`` fields before calling ppp_register_channel() and not change
+them until after ppp_unregister_channel() returns. The ``mtu`` field
represents the maximum size of the data part of the PPP frames, that
is, it does not include the 2-byte protocol number.
If the channel needs some headroom in the skbuffs presented to it for
transmission (i.e., some space free in the skbuff data area before the
-start of the PPP frame), it should set the `hdrlen' field of the
+start of the PPP frame), it should set the ``hdrlen`` field of the
ppp_channel struct to the amount of headroom required. The generic
PPP layer will attempt to provide that much headroom but the channel
should still check if there is sufficient headroom and copy the skbuff
@@ -322,6 +326,8 @@ an interface unit are:
interface. The argument should be a pointer to an int containing
the new flags value. The bits in the flags value that can be set
are:
+
+ ================ ========================================
SC_COMP_TCP enable transmit TCP header compression
SC_NO_TCP_CCID disable connection-id compression for
TCP header compression
@@ -335,6 +341,7 @@ an interface unit are:
SC_MP_SHORTSEQ expect short multilink sequence
numbers on received multilink fragments
SC_MP_XSHORTSEQ transmit short multilink sequence nos.
+ ================ ========================================
The values of these flags are defined in <linux/ppp-ioctl.h>. Note
that the values of the SC_MULTILINK, SC_MP_SHORTSEQ and
@@ -345,17 +352,20 @@ an interface unit are:
interface unit. The argument should point to an int where the ioctl
will store the flags value. As well as the values listed above for
PPPIOCSFLAGS, the following bits may be set in the returned value:
+
+ ================ =========================================
SC_COMP_RUN CCP compressor is running
SC_DECOMP_RUN CCP decompressor is running
SC_DC_ERROR CCP decompressor detected non-fatal error
SC_DC_FERROR CCP decompressor detected fatal error
+ ================ =========================================
* PPPIOCSCOMPRESS sets the parameters for packet compression or
decompression. The argument should point to a ppp_option_data
structure (defined in <linux/ppp-ioctl.h>), which contains a
pointer/length pair which should describe a block of memory
containing a CCP option specifying a compression method and its
- parameters. The ppp_option_data struct also contains a `transmit'
+ parameters. The ppp_option_data struct also contains a ``transmit``
field. If this is 0, the ioctl will affect the receive path,
otherwise the transmit path.
@@ -377,7 +387,7 @@ an interface unit are:
ppp_idle structure (defined in <linux/ppp_defs.h>). If the
CONFIG_PPP_FILTER option is enabled, the set of packets which reset
the transmit and receive idle timers is restricted to those which
- pass the `active' packet filter.
+ pass the ``active`` packet filter.
Two versions of this command exist, to deal with user space
expecting times as either 32-bit or 64-bit time_t seconds.
@@ -391,31 +401,33 @@ an interface unit are:
* PPPIOCSNPMODE sets the network-protocol mode for a given network
protocol. The argument should point to an npioctl struct (defined
- in <linux/ppp-ioctl.h>). The `protocol' field gives the PPP protocol
- number for the protocol to be affected, and the `mode' field
+ in <linux/ppp-ioctl.h>). The ``protocol`` field gives the PPP protocol
+ number for the protocol to be affected, and the ``mode`` field
specifies what to do with packets for that protocol:
+ ============= ==============================================
NPMODE_PASS normal operation, transmit and receive packets
NPMODE_DROP silently drop packets for this protocol
NPMODE_ERROR drop packets and return an error on transmit
NPMODE_QUEUE queue up packets for transmit, drop received
packets
+ ============= ==============================================
At present NPMODE_ERROR and NPMODE_QUEUE have the same effect as
NPMODE_DROP.
* PPPIOCGNPMODE returns the network-protocol mode for a given
protocol. The argument should point to an npioctl struct with the
- `protocol' field set to the PPP protocol number for the protocol of
- interest. On return the `mode' field will be set to the network-
+ ``protocol`` field set to the PPP protocol number for the protocol of
+ interest. On return the ``mode`` field will be set to the network-
protocol mode for that protocol.
-* PPPIOCSPASS and PPPIOCSACTIVE set the `pass' and `active' packet
+* PPPIOCSPASS and PPPIOCSACTIVE set the ``pass`` and ``active`` packet
filters. These ioctls are only available if the CONFIG_PPP_FILTER
option is selected. The argument should point to a sock_fprog
structure (defined in <linux/filter.h>) containing the compiled BPF
instructions for the filter. Packets are dropped if they fail the
- `pass' filter; otherwise, if they fail the `active' filter they are
+ ``pass`` filter; otherwise, if they fail the ``active`` filter they are
passed but they do not reset the transmit or receive idle timer.
* PPPIOCSMRRU enables or disables multilink processing for received
diff --git a/Documentation/networking/proc_net_tcp.txt b/Documentation/networking/proc_net_tcp.rst
index 4a79209e77a7..7d9dfe36af45 100644
--- a/Documentation/networking/proc_net_tcp.txt
+++ b/Documentation/networking/proc_net_tcp.rst
@@ -1,15 +1,21 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============================================
+The proc/net/tcp and proc/net/tcp6 variables
+============================================
+
This document describes the interfaces /proc/net/tcp and /proc/net/tcp6.
Note that these interfaces are deprecated in favor of tcp_diag.
-These /proc interfaces provide information about currently active TCP
+These /proc interfaces provide information about currently active TCP
connections, and are implemented by tcp4_seq_show() in net/ipv4/tcp_ipv4.c
and tcp6_seq_show() in net/ipv6/tcp_ipv6.c, respectively.
It will first list all listening TCP sockets, and next list all established
-TCP connections. A typical entry of /proc/net/tcp would look like this (split
-up into 3 parts because of the length of the line):
+TCP connections. A typical entry of /proc/net/tcp would look like this (split
+up into 3 parts because of the length of the line)::
- 46: 010310AC:9C4C 030310AC:1770 01
+ 46: 010310AC:9C4C 030310AC:1770 01
| | | | | |--> connection state
| | | | |------> remote TCP port number
| | | |-------------> remote IPv4 address
@@ -17,7 +23,7 @@ up into 3 parts because of the length of the line):
| |---------------------------> local IPv4 address
|----------------------------------> number of entry
- 00000150:00000000 01:00000019 00000000
+ 00000150:00000000 01:00000019 00000000
| | | | |--> number of unrecovered RTO timeouts
| | | |----------> number of jiffies until timer expires
| | |----------------> timer_active (see below)
@@ -25,7 +31,7 @@ up into 3 parts because of the length of the line):
|-------------------------------> transmit-queue
1000 0 54165785 4 cd1e6040 25 4 27 3 -1
- | | | | | | | | | |--> slow start size threshold,
+ | | | | | | | | | |--> slow start size threshold,
| | | | | | | | | or -1 if the threshold
| | | | | | | | | is >= 0xFFFF
| | | | | | | | |----> sending congestion window
@@ -40,9 +46,12 @@ up into 3 parts because of the length of the line):
|---------------------------------------------> uid
timer_active:
+
+ == ================================================================
0 no timer is pending
1 retransmit-timer is pending
2 another timer (e.g. delayed ack or keepalive) is pending
- 3 this is a socket in TIME_WAIT state. Not all fields will contain
+ 3 this is a socket in TIME_WAIT state. Not all fields will contain
data (or even exist)
4 zero window probe timer is pending
+ == ================================================================
diff --git a/Documentation/networking/radiotap-headers.txt b/Documentation/networking/radiotap-headers.rst
index 953331c7984f..1a1bd1ec0650 100644
--- a/Documentation/networking/radiotap-headers.txt
+++ b/Documentation/networking/radiotap-headers.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========================
How to use radiotap headers
===========================
@@ -5,9 +8,9 @@ Pointer to the radiotap include file
------------------------------------
Radiotap headers are variable-length and extensible, you can get most of the
-information you need to know on them from:
+information you need to know on them from::
-./include/net/ieee80211_radiotap.h
+ ./include/net/ieee80211_radiotap.h
This document gives an overview and warns on some corner cases.
@@ -21,6 +24,8 @@ of the it_present member of ieee80211_radiotap_header is set, it means that
the header for argument index 0 (IEEE80211_RADIOTAP_TSFT) is present in the
argument area.
+::
+
< 8-byte ieee80211_radiotap_header >
[ <possible argument bitmap extensions ... > ]
[ <argument> ... ]
@@ -76,6 +81,8 @@ ieee80211_radiotap_header.
Example valid radiotap header
-----------------------------
+::
+
0x00, 0x00, // <-- radiotap version + pad byte
0x0b, 0x00, // <- radiotap header length
0x04, 0x0c, 0x00, 0x00, // <-- bitmap
@@ -89,64 +96,64 @@ Using the Radiotap Parser
If you are having to parse a radiotap struct, you can radically simplify the
job by using the radiotap parser that lives in net/wireless/radiotap.c and has
-its prototypes available in include/net/cfg80211.h. You use it like this:
+its prototypes available in include/net/cfg80211.h. You use it like this::
-#include <net/cfg80211.h>
+ #include <net/cfg80211.h>
-/* buf points to the start of the radiotap header part */
+ /* buf points to the start of the radiotap header part */
-int MyFunction(u8 * buf, int buflen)
-{
- int pkt_rate_100kHz = 0, antenna = 0, pwr = 0;
- struct ieee80211_radiotap_iterator iterator;
- int ret = ieee80211_radiotap_iterator_init(&iterator, buf, buflen);
+ int MyFunction(u8 * buf, int buflen)
+ {
+ int pkt_rate_100kHz = 0, antenna = 0, pwr = 0;
+ struct ieee80211_radiotap_iterator iterator;
+ int ret = ieee80211_radiotap_iterator_init(&iterator, buf, buflen);
- while (!ret) {
+ while (!ret) {
- ret = ieee80211_radiotap_iterator_next(&iterator);
+ ret = ieee80211_radiotap_iterator_next(&iterator);
- if (ret)
- continue;
+ if (ret)
+ continue;
- /* see if this argument is something we can use */
+ /* see if this argument is something we can use */
- switch (iterator.this_arg_index) {
- /*
- * You must take care when dereferencing iterator.this_arg
- * for multibyte types... the pointer is not aligned. Use
- * get_unaligned((type *)iterator.this_arg) to dereference
- * iterator.this_arg for type "type" safely on all arches.
- */
- case IEEE80211_RADIOTAP_RATE:
- /* radiotap "rate" u8 is in
- * 500kbps units, eg, 0x02=1Mbps
- */
- pkt_rate_100kHz = (*iterator.this_arg) * 5;
- break;
+ switch (iterator.this_arg_index) {
+ /*
+ * You must take care when dereferencing iterator.this_arg
+ * for multibyte types... the pointer is not aligned. Use
+ * get_unaligned((type *)iterator.this_arg) to dereference
+ * iterator.this_arg for type "type" safely on all arches.
+ */
+ case IEEE80211_RADIOTAP_RATE:
+ /* radiotap "rate" u8 is in
+ * 500kbps units, eg, 0x02=1Mbps
+ */
+ pkt_rate_100kHz = (*iterator.this_arg) * 5;
+ break;
- case IEEE80211_RADIOTAP_ANTENNA:
- /* radiotap uses 0 for 1st ant */
- antenna = *iterator.this_arg);
- break;
+ case IEEE80211_RADIOTAP_ANTENNA:
+ /* radiotap uses 0 for 1st ant */
+ antenna = *iterator.this_arg);
+ break;
- case IEEE80211_RADIOTAP_DBM_TX_POWER:
- pwr = *iterator.this_arg;
- break;
+ case IEEE80211_RADIOTAP_DBM_TX_POWER:
+ pwr = *iterator.this_arg;
+ break;
- default:
- break;
- }
- } /* while more rt headers */
+ default:
+ break;
+ }
+ } /* while more rt headers */
- if (ret != -ENOENT)
- return TXRX_DROP;
+ if (ret != -ENOENT)
+ return TXRX_DROP;
- /* discard the radiotap header part */
- buf += iterator.max_length;
- buflen -= iterator.max_length;
+ /* discard the radiotap header part */
+ buf += iterator.max_length;
+ buflen -= iterator.max_length;
- ...
+ ...
-}
+ }
Andy Green <andy@warmcat.com>
diff --git a/Documentation/networking/ray_cs.txt b/Documentation/networking/ray_cs.rst
index c0c12307ed9d..9a46d1ae8f20 100644
--- a/Documentation/networking/ray_cs.txt
+++ b/Documentation/networking/ray_cs.rst
@@ -1,6 +1,14 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. include:: <isonum.txt>
+
+=========================
+Raylink wireless LAN card
+=========================
+
September 21, 1999
-Copyright (c) 1998 Corey Thomas (corey@world.std.com)
+Copyright |copy| 1998 Corey Thomas (corey@world.std.com)
This file is the documentation for the Raylink Wireless LAN card driver for
Linux. The Raylink wireless LAN card is a PCMCIA card which provides IEEE
@@ -13,7 +21,7 @@ wireless LAN cards.
As of kernel 2.3.18, the ray_cs driver is part of the Linux kernel
source. My web page for the development of ray_cs is at
-http://web.ralinktech.com/ralink/Home/Support/Linux.html
+http://web.ralinktech.com/ralink/Home/Support/Linux.html
and I can be emailed at corey@world.std.com
The kernel driver is based on ray_cs-1.62.tgz
@@ -29,6 +37,7 @@ with nondefault parameters, they can be edited in
will find them all.
Information on card services is available at:
+
http://pcmcia-cs.sourceforge.net/
@@ -39,72 +48,78 @@ the driver.
Currently, ray_cs is not part of David Hinds card services package,
so the following magic is required.
-At the end of the /etc/pcmcia/config.opts file, add the line:
-source ./ray_cs.opts
+At the end of the /etc/pcmcia/config.opts file, add the line:
+source ./ray_cs.opts
This will make card services read the ray_cs.opts file
when starting. Create the file /etc/pcmcia/ray_cs.opts containing the
-following:
+following::
-#### start of /etc/pcmcia/ray_cs.opts ###################
-# Configuration options for Raylink Wireless LAN PCMCIA card
-device "ray_cs"
- class "network" module "misc/ray_cs"
+ #### start of /etc/pcmcia/ray_cs.opts ###################
+ # Configuration options for Raylink Wireless LAN PCMCIA card
+ device "ray_cs"
+ class "network" module "misc/ray_cs"
-card "RayLink PC Card WLAN Adapter"
- manfid 0x01a6, 0x0000
- bind "ray_cs"
+ card "RayLink PC Card WLAN Adapter"
+ manfid 0x01a6, 0x0000
+ bind "ray_cs"
-module "misc/ray_cs" opts ""
-#### end of /etc/pcmcia/ray_cs.opts #####################
+ module "misc/ray_cs" opts ""
+ #### end of /etc/pcmcia/ray_cs.opts #####################
To join an existing network with
-different parameters, contact the network administrator for the
+different parameters, contact the network administrator for the
configuration information, and edit /etc/pcmcia/ray_cs.opts.
Add the parameters below between the empty quotes.
Parameters for ray_cs driver which may be specified in ray_cs.opts:
-bc integer 0 = normal mode (802.11 timing)
- 1 = slow down inter frame timing to allow
- operation with older breezecom access
- points.
-
-beacon_period integer beacon period in Kilo-microseconds
- legal values = must be integer multiple
- of hop dwell
- default = 256
-
-country integer 1 = USA (default)
- 2 = Europe
- 3 = Japan
- 4 = Korea
- 5 = Spain
- 6 = France
- 7 = Israel
- 8 = Australia
+=============== =============== =============================================
+bc integer 0 = normal mode (802.11 timing),
+ 1 = slow down inter frame timing to allow
+ operation with older breezecom access
+ points.
+
+beacon_period integer beacon period in Kilo-microseconds,
+
+ legal values = must be integer multiple
+ of hop dwell
+
+ default = 256
+
+country integer 1 = USA (default),
+ 2 = Europe,
+ 3 = Japan,
+ 4 = Korea,
+ 5 = Spain,
+ 6 = France,
+ 7 = Israel,
+ 8 = Australia
essid string ESS ID - network name to join
+
string with maximum length of 32 chars
default value = "ADHOC_ESSID"
-hop_dwell integer hop dwell time in Kilo-microseconds
+hop_dwell integer hop dwell time in Kilo-microseconds
+
legal values = 16,32,64,128(default),256
irq_mask integer linux standard 16 bit value 1bit/IRQ
+
lsb is IRQ 0, bit 1 is IRQ 1 etc.
Used to restrict choice of IRQ's to use.
- Recommended method for controlling
- interrupts is in /etc/pcmcia/config.opts
+ Recommended method for controlling
+ interrupts is in /etc/pcmcia/config.opts
-net_type integer 0 (default) = adhoc network,
+net_type integer 0 (default) = adhoc network,
1 = infrastructure
phy_addr string string containing new MAC address in
hex, must start with x eg
x00008f123456
-psm integer 0 = continuously active
+psm integer 0 = continuously active,
1 = power save mode (not useful yet)
pc_debug integer (0-5) larger values for more verbose
@@ -114,14 +129,14 @@ ray_debug integer Replaced with pc_debug
ray_mem_speed integer defaults to 500
-sniffer integer 0 = not sniffer (default)
- 1 = sniffer which can be used to record all
- network traffic using tcpdump or similar,
- but no normal network use is allowed.
+sniffer integer 0 = not sniffer (default),
+ 1 = sniffer which can be used to record all
+ network traffic using tcpdump or similar,
+ but no normal network use is allowed.
-translate integer 0 = no translation (encapsulate frames)
+translate integer 0 = no translation (encapsulate frames),
1 = translation (RFC1042/802.1)
-
+=============== =============== =============================================
More on sniffer mode:
@@ -136,7 +151,7 @@ package which parses the 802.11 headers.
Known Problems and missing features
- Does not work with non x86
+ Does not work with non x86
Does not work with SMP
diff --git a/Documentation/networking/rds.txt b/Documentation/networking/rds.rst
index eec61694e894..44936c27ab3a 100644
--- a/Documentation/networking/rds.txt
+++ b/Documentation/networking/rds.rst
@@ -1,3 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==
+RDS
+===
Overview
========
@@ -24,36 +29,39 @@ as IB.
The high-level semantics of RDS from the application's point of view are
* Addressing
- RDS uses IPv4 addresses and 16bit port numbers to identify
- the end point of a connection. All socket operations that involve
- passing addresses between kernel and user space generally
- use a struct sockaddr_in.
- The fact that IPv4 addresses are used does not mean the underlying
- transport has to be IP-based. In fact, RDS over IB uses a
- reliable IB connection; the IP address is used exclusively to
- locate the remote node's GID (by ARPing for the given IP).
+ RDS uses IPv4 addresses and 16bit port numbers to identify
+ the end point of a connection. All socket operations that involve
+ passing addresses between kernel and user space generally
+ use a struct sockaddr_in.
+
+ The fact that IPv4 addresses are used does not mean the underlying
+ transport has to be IP-based. In fact, RDS over IB uses a
+ reliable IB connection; the IP address is used exclusively to
+ locate the remote node's GID (by ARPing for the given IP).
- The port space is entirely independent of UDP, TCP or any other
- protocol.
+ The port space is entirely independent of UDP, TCP or any other
+ protocol.
* Socket interface
- RDS sockets work *mostly* as you would expect from a BSD
- socket. The next section will cover the details. At any rate,
- all I/O is performed through the standard BSD socket API.
- Some additions like zerocopy support are implemented through
- control messages, while other extensions use the getsockopt/
- setsockopt calls.
-
- Sockets must be bound before you can send or receive data.
- This is needed because binding also selects a transport and
- attaches it to the socket. Once bound, the transport assignment
- does not change. RDS will tolerate IPs moving around (eg in
- a active-active HA scenario), but only as long as the address
- doesn't move to a different transport.
+
+ RDS sockets work *mostly* as you would expect from a BSD
+ socket. The next section will cover the details. At any rate,
+ all I/O is performed through the standard BSD socket API.
+ Some additions like zerocopy support are implemented through
+ control messages, while other extensions use the getsockopt/
+ setsockopt calls.
+
+ Sockets must be bound before you can send or receive data.
+ This is needed because binding also selects a transport and
+ attaches it to the socket. Once bound, the transport assignment
+ does not change. RDS will tolerate IPs moving around (eg in
+ a active-active HA scenario), but only as long as the address
+ doesn't move to a different transport.
* sysctls
- RDS supports a number of sysctls in /proc/sys/net/rds
+
+ RDS supports a number of sysctls in /proc/sys/net/rds
Socket Interface
@@ -66,89 +74,88 @@ Socket Interface
options.
fd = socket(PF_RDS, SOCK_SEQPACKET, 0);
- This creates a new, unbound RDS socket.
+ This creates a new, unbound RDS socket.
setsockopt(SOL_SOCKET): send and receive buffer size
- RDS honors the send and receive buffer size socket options.
- You are not allowed to queue more than SO_SNDSIZE bytes to
- a socket. A message is queued when sendmsg is called, and
- it leaves the queue when the remote system acknowledges
- its arrival.
-
- The SO_RCVSIZE option controls the maximum receive queue length.
- This is a soft limit rather than a hard limit - RDS will
- continue to accept and queue incoming messages, even if that
- takes the queue length over the limit. However, it will also
- mark the port as "congested" and send a congestion update to
- the source node. The source node is supposed to throttle any
- processes sending to this congested port.
+ RDS honors the send and receive buffer size socket options.
+ You are not allowed to queue more than SO_SNDSIZE bytes to
+ a socket. A message is queued when sendmsg is called, and
+ it leaves the queue when the remote system acknowledges
+ its arrival.
+
+ The SO_RCVSIZE option controls the maximum receive queue length.
+ This is a soft limit rather than a hard limit - RDS will
+ continue to accept and queue incoming messages, even if that
+ takes the queue length over the limit. However, it will also
+ mark the port as "congested" and send a congestion update to
+ the source node. The source node is supposed to throttle any
+ processes sending to this congested port.
bind(fd, &sockaddr_in, ...)
- This binds the socket to a local IP address and port, and a
- transport, if one has not already been selected via the
+ This binds the socket to a local IP address and port, and a
+ transport, if one has not already been selected via the
SO_RDS_TRANSPORT socket option
sendmsg(fd, ...)
- Sends a message to the indicated recipient. The kernel will
- transparently establish the underlying reliable connection
- if it isn't up yet.
+ Sends a message to the indicated recipient. The kernel will
+ transparently establish the underlying reliable connection
+ if it isn't up yet.
- An attempt to send a message that exceeds SO_SNDSIZE will
- return with -EMSGSIZE
+ An attempt to send a message that exceeds SO_SNDSIZE will
+ return with -EMSGSIZE
- An attempt to send a message that would take the total number
- of queued bytes over the SO_SNDSIZE threshold will return
- EAGAIN.
+ An attempt to send a message that would take the total number
+ of queued bytes over the SO_SNDSIZE threshold will return
+ EAGAIN.
- An attempt to send a message to a destination that is marked
- as "congested" will return ENOBUFS.
+ An attempt to send a message to a destination that is marked
+ as "congested" will return ENOBUFS.
recvmsg(fd, ...)
- Receives a message that was queued to this socket. The sockets
- recv queue accounting is adjusted, and if the queue length
- drops below SO_SNDSIZE, the port is marked uncongested, and
- a congestion update is sent to all peers.
-
- Applications can ask the RDS kernel module to receive
- notifications via control messages (for instance, there is a
- notification when a congestion update arrived, or when a RDMA
- operation completes). These notifications are received through
- the msg.msg_control buffer of struct msghdr. The format of the
- messages is described in manpages.
+ Receives a message that was queued to this socket. The sockets
+ recv queue accounting is adjusted, and if the queue length
+ drops below SO_SNDSIZE, the port is marked uncongested, and
+ a congestion update is sent to all peers.
+
+ Applications can ask the RDS kernel module to receive
+ notifications via control messages (for instance, there is a
+ notification when a congestion update arrived, or when a RDMA
+ operation completes). These notifications are received through
+ the msg.msg_control buffer of struct msghdr. The format of the
+ messages is described in manpages.
poll(fd)
- RDS supports the poll interface to allow the application
- to implement async I/O.
+ RDS supports the poll interface to allow the application
+ to implement async I/O.
- POLLIN handling is pretty straightforward. When there's an
- incoming message queued to the socket, or a pending notification,
- we signal POLLIN.
+ POLLIN handling is pretty straightforward. When there's an
+ incoming message queued to the socket, or a pending notification,
+ we signal POLLIN.
- POLLOUT is a little harder. Since you can essentially send
- to any destination, RDS will always signal POLLOUT as long as
- there's room on the send queue (ie the number of bytes queued
- is less than the sendbuf size).
+ POLLOUT is a little harder. Since you can essentially send
+ to any destination, RDS will always signal POLLOUT as long as
+ there's room on the send queue (ie the number of bytes queued
+ is less than the sendbuf size).
- However, the kernel will refuse to accept messages to
- a destination marked congested - in this case you will loop
- forever if you rely on poll to tell you what to do.
- This isn't a trivial problem, but applications can deal with
- this - by using congestion notifications, and by checking for
- ENOBUFS errors returned by sendmsg.
+ However, the kernel will refuse to accept messages to
+ a destination marked congested - in this case you will loop
+ forever if you rely on poll to tell you what to do.
+ This isn't a trivial problem, but applications can deal with
+ this - by using congestion notifications, and by checking for
+ ENOBUFS errors returned by sendmsg.
setsockopt(SOL_RDS, RDS_CANCEL_SENT_TO, &sockaddr_in)
- This allows the application to discard all messages queued to a
- specific destination on this particular socket.
-
- This allows the application to cancel outstanding messages if
- it detects a timeout. For instance, if it tried to send a message,
- and the remote host is unreachable, RDS will keep trying forever.
- The application may decide it's not worth it, and cancel the
- operation. In this case, it would use RDS_CANCEL_SENT_TO to
- nuke any pending messages.
-
- setsockopt(fd, SOL_RDS, SO_RDS_TRANSPORT, (int *)&transport ..)
- getsockopt(fd, SOL_RDS, SO_RDS_TRANSPORT, (int *)&transport ..)
+ This allows the application to discard all messages queued to a
+ specific destination on this particular socket.
+
+ This allows the application to cancel outstanding messages if
+ it detects a timeout. For instance, if it tried to send a message,
+ and the remote host is unreachable, RDS will keep trying forever.
+ The application may decide it's not worth it, and cancel the
+ operation. In this case, it would use RDS_CANCEL_SENT_TO to
+ nuke any pending messages.
+
+ ``setsockopt(fd, SOL_RDS, SO_RDS_TRANSPORT, (int *)&transport ..), getsockopt(fd, SOL_RDS, SO_RDS_TRANSPORT, (int *)&transport ..)``
Set or read an integer defining the underlying
encapsulating transport to be used for RDS packets on the
socket. When setting the option, integer argument may be
@@ -180,32 +187,39 @@ RDS Protocol
Message header
The message header is a 'struct rds_header' (see rds.h):
+
Fields:
+
h_sequence:
- per-packet sequence number
+ per-packet sequence number
h_ack:
- piggybacked acknowledgment of last packet received
+ piggybacked acknowledgment of last packet received
h_len:
- length of data, not including header
+ length of data, not including header
h_sport:
- source port
+ source port
h_dport:
- destination port
+ destination port
h_flags:
- CONG_BITMAP - this is a congestion update bitmap
- ACK_REQUIRED - receiver must ack this packet
- RETRANSMITTED - packet has previously been sent
+ Can be:
+
+ ============= ==================================
+ CONG_BITMAP this is a congestion update bitmap
+ ACK_REQUIRED receiver must ack this packet
+ RETRANSMITTED packet has previously been sent
+ ============= ==================================
+
h_credit:
- indicate to other end of connection that
- it has more credits available (i.e. there is
- more send room)
+ indicate to other end of connection that
+ it has more credits available (i.e. there is
+ more send room)
h_padding[4]:
- unused, for future use
+ unused, for future use
h_csum:
- header checksum
+ header checksum
h_exthdr:
- optional data can be passed here. This is currently used for
- passing RDMA-related information.
+ optional data can be passed here. This is currently used for
+ passing RDMA-related information.
ACK and retransmit handling
@@ -260,7 +274,7 @@ RDS Protocol
RDS Transport Layer
-==================
+===================
As mentioned above, RDS is not IB-specific. Its code is divided
into a general RDS layer and a transport layer.
@@ -281,19 +295,25 @@ RDS Kernel Structures
be sent and sets header fields as needed, based on the socket API.
This is then queued for the individual connection and sent by the
connection's transport.
+
struct rds_incoming
a generic struct referring to incoming data that can be handed from
the transport to the general code and queued by the general code
while the socket is awoken. It is then passed back to the transport
code to handle the actual copy-to-user.
+
struct rds_socket
per-socket information
+
struct rds_connection
per-connection information
+
struct rds_transport
pointers to transport-specific functions
+
struct rds_statistics
non-transport-specific statistics
+
struct rds_cong_map
wraps the raw congestion bitmap, contains rbnode, waitq, etc.
@@ -317,53 +337,58 @@ The send path
=============
rds_sendmsg()
- struct rds_message built from incoming data
- CMSGs parsed (e.g. RDMA ops)
- transport connection alloced and connected if not already
- rds_message placed on send queue
- send worker awoken
+ - struct rds_message built from incoming data
+ - CMSGs parsed (e.g. RDMA ops)
+ - transport connection alloced and connected if not already
+ - rds_message placed on send queue
+ - send worker awoken
+
rds_send_worker()
- calls rds_send_xmit() until queue is empty
+ - calls rds_send_xmit() until queue is empty
+
rds_send_xmit()
- transmits congestion map if one is pending
- may set ACK_REQUIRED
- calls transport to send either non-RDMA or RDMA message
- (RDMA ops never retransmitted)
+ - transmits congestion map if one is pending
+ - may set ACK_REQUIRED
+ - calls transport to send either non-RDMA or RDMA message
+ (RDMA ops never retransmitted)
+
rds_ib_xmit()
- allocs work requests from send ring
- adds any new send credits available to peer (h_credits)
- maps the rds_message's sg list
- piggybacks ack
- populates work requests
- post send to connection's queue pair
+ - allocs work requests from send ring
+ - adds any new send credits available to peer (h_credits)
+ - maps the rds_message's sg list
+ - piggybacks ack
+ - populates work requests
+ - post send to connection's queue pair
The recv path
=============
rds_ib_recv_cq_comp_handler()
- looks at write completions
- unmaps recv buffer from device
- no errors, call rds_ib_process_recv()
- refill recv ring
+ - looks at write completions
+ - unmaps recv buffer from device
+ - no errors, call rds_ib_process_recv()
+ - refill recv ring
+
rds_ib_process_recv()
- validate header checksum
- copy header to rds_ib_incoming struct if start of a new datagram
- add to ibinc's fraglist
- if competed datagram:
- update cong map if datagram was cong update
- call rds_recv_incoming() otherwise
- note if ack is required
+ - validate header checksum
+ - copy header to rds_ib_incoming struct if start of a new datagram
+ - add to ibinc's fraglist
+ - if competed datagram:
+ - update cong map if datagram was cong update
+ - call rds_recv_incoming() otherwise
+ - note if ack is required
+
rds_recv_incoming()
- drop duplicate packets
- respond to pings
- find the sock associated with this datagram
- add to sock queue
- wake up sock
- do some congestion calculations
+ - drop duplicate packets
+ - respond to pings
+ - find the sock associated with this datagram
+ - add to sock queue
+ - wake up sock
+ - do some congestion calculations
rds_recvmsg
- copy data into user iovec
- handle CMSGs
- return to application
+ - copy data into user iovec
+ - handle CMSGs
+ - return to application
Multipath RDS (mprds)
=====================
diff --git a/Documentation/networking/regulatory.txt b/Documentation/networking/regulatory.rst
index 381e5b23d61d..8701b91e81ee 100644
--- a/Documentation/networking/regulatory.txt
+++ b/Documentation/networking/regulatory.rst
@@ -1,5 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======================================
Linux wireless regulatory documentation
----------------------------------------
+=======================================
This document gives a brief review over how the Linux wireless
regulatory infrastructure works.
@@ -57,7 +60,7 @@ Users can use iw:
http://wireless.kernel.org/en/users/Documentation/iw
-An example:
+An example::
# set regulatory domain to "Costa Rica"
iw reg set CR
@@ -104,9 +107,9 @@ Example code - drivers hinting an alpha2:
This example comes from the zd1211rw device driver. You can start
by having a mapping of your device's EEPROM country/regulatory
-domain value to a specific alpha2 as follows:
+domain value to a specific alpha2 as follows::
-static struct zd_reg_alpha2_map reg_alpha2_map[] = {
+ static struct zd_reg_alpha2_map reg_alpha2_map[] = {
{ ZD_REGDOMAIN_FCC, "US" },
{ ZD_REGDOMAIN_IC, "CA" },
{ ZD_REGDOMAIN_ETSI, "DE" }, /* Generic ETSI, use most restrictive */
@@ -116,10 +119,10 @@ static struct zd_reg_alpha2_map reg_alpha2_map[] = {
{ ZD_REGDOMAIN_FRANCE, "FR" },
Then you can define a routine to map your read EEPROM value to an alpha2,
-as follows:
+as follows::
-static int zd_reg2alpha2(u8 regdomain, char *alpha2)
-{
+ static int zd_reg2alpha2(u8 regdomain, char *alpha2)
+ {
unsigned int i;
struct zd_reg_alpha2_map *reg_map;
for (i = 0; i < ARRAY_SIZE(reg_alpha2_map); i++) {
@@ -131,12 +134,14 @@ static int zd_reg2alpha2(u8 regdomain, char *alpha2)
}
}
return 1;
-}
+ }
Lastly, you can then hint to the core of your discovered alpha2, if a match
was found. You need to do this after you have registered your wiphy. You
are expected to do this during initialization.
+::
+
r = zd_reg2alpha2(mac->regdomain, alpha2);
if (!r)
regulatory_hint(hw->wiphy, alpha2);
@@ -156,9 +161,9 @@ call regulatory_hint() with the regulatory domain structure in it.
Bellow is a simple example, with a regulatory domain cached using the stack.
Your implementation may vary (read EEPROM cache instead, for example).
-Example cache of some regulatory domain
+Example cache of some regulatory domain::
-struct ieee80211_regdomain mydriver_jp_regdom = {
+ struct ieee80211_regdomain mydriver_jp_regdom = {
.n_reg_rules = 3,
.alpha2 = "JP",
//.alpha2 = "99", /* If I have no alpha2 to map it to */
@@ -173,9 +178,9 @@ struct ieee80211_regdomain mydriver_jp_regdom = {
NL80211_RRF_NO_IR|
NL80211_RRF_DFS),
}
-};
+ };
-Then in some part of your code after your wiphy has been registered:
+Then in some part of your code after your wiphy has been registered::
struct ieee80211_regdomain *rd;
int size_of_regd;
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.rst
index 180e07d956a7..68552b92dc44 100644
--- a/Documentation/networking/rxrpc.txt
+++ b/Documentation/networking/rxrpc.rst
@@ -1,6 +1,8 @@
- ======================
- RxRPC NETWORK PROTOCOL
- ======================
+.. SPDX-License-Identifier: GPL-2.0
+
+======================
+RxRPC Network Protocol
+======================
The RxRPC protocol driver provides a reliable two-phase transport on top of UDP
that can be used to perform RxRPC remote operations. This is done over sockets
@@ -9,36 +11,35 @@ receive data, aborts and errors.
Contents of this document:
- (*) Overview.
+ (#) Overview.
- (*) RxRPC protocol summary.
+ (#) RxRPC protocol summary.
- (*) AF_RXRPC driver model.
+ (#) AF_RXRPC driver model.
- (*) Control messages.
+ (#) Control messages.
- (*) Socket options.
+ (#) Socket options.
- (*) Security.
+ (#) Security.
- (*) Example client usage.
+ (#) Example client usage.
- (*) Example server usage.
+ (#) Example server usage.
- (*) AF_RXRPC kernel interface.
+ (#) AF_RXRPC kernel interface.
- (*) Configurable parameters.
+ (#) Configurable parameters.
-========
-OVERVIEW
+Overview
========
RxRPC is a two-layer protocol. There is a session layer which provides
reliable virtual connections using UDP over IPv4 (or IPv6) as the transport
layer, but implements a real network protocol; and there's the presentation
layer which renders structured data to binary blobs and back again using XDR
-(as does SunRPC):
+(as does SunRPC)::
+-------------+
| Application |
@@ -85,31 +86,30 @@ The Andrew File System (AFS) is an example of an application that uses this and
that has both kernel (filesystem) and userspace (utility) components.
-======================
-RXRPC PROTOCOL SUMMARY
+RxRPC Protocol Summary
======================
An overview of the RxRPC protocol:
- (*) RxRPC sits on top of another networking protocol (UDP is the only option
+ (#) RxRPC sits on top of another networking protocol (UDP is the only option
currently), and uses this to provide network transport. UDP ports, for
example, provide transport endpoints.
- (*) RxRPC supports multiple virtual "connections" from any given transport
+ (#) RxRPC supports multiple virtual "connections" from any given transport
endpoint, thus allowing the endpoints to be shared, even to the same
remote endpoint.
- (*) Each connection goes to a particular "service". A connection may not go
+ (#) Each connection goes to a particular "service". A connection may not go
to multiple services. A service may be considered the RxRPC equivalent of
a port number. AF_RXRPC permits multiple services to share an endpoint.
- (*) Client-originating packets are marked, thus a transport endpoint can be
+ (#) Client-originating packets are marked, thus a transport endpoint can be
shared between client and server connections (connections have a
direction).
- (*) Up to a billion connections may be supported concurrently between one
+ (#) Up to a billion connections may be supported concurrently between one
local transport endpoint and one service on one remote endpoint. An RxRPC
- connection is described by seven numbers:
+ connection is described by seven numbers::
Local address }
Local port } Transport (UDP) address
@@ -119,22 +119,22 @@ An overview of the RxRPC protocol:
Connection ID
Service ID
- (*) Each RxRPC operation is a "call". A connection may make up to four
+ (#) Each RxRPC operation is a "call". A connection may make up to four
billion calls, but only up to four calls may be in progress on a
connection at any one time.
- (*) Calls are two-phase and asymmetric: the client sends its request data,
+ (#) Calls are two-phase and asymmetric: the client sends its request data,
which the service receives; then the service transmits the reply data
which the client receives.
- (*) The data blobs are of indefinite size, the end of a phase is marked with a
+ (#) The data blobs are of indefinite size, the end of a phase is marked with a
flag in the packet. The number of packets of data making up one blob may
not exceed 4 billion, however, as this would cause the sequence number to
wrap.
- (*) The first four bytes of the request data are the service operation ID.
+ (#) The first four bytes of the request data are the service operation ID.
- (*) Security is negotiated on a per-connection basis. The connection is
+ (#) Security is negotiated on a per-connection basis. The connection is
initiated by the first data packet on it arriving. If security is
requested, the server then issues a "challenge" and then the client
replies with a "response". If the response is successful, the security is
@@ -143,146 +143,145 @@ An overview of the RxRPC protocol:
connection lapse before the client, the security will be renegotiated if
the client uses the connection again.
- (*) Calls use ACK packets to handle reliability. Data packets are also
+ (#) Calls use ACK packets to handle reliability. Data packets are also
explicitly sequenced per call.
- (*) There are two types of positive acknowledgment: hard-ACKs and soft-ACKs.
+ (#) There are two types of positive acknowledgment: hard-ACKs and soft-ACKs.
A hard-ACK indicates to the far side that all the data received to a point
has been received and processed; a soft-ACK indicates that the data has
been received but may yet be discarded and re-requested. The sender may
not discard any transmittable packets until they've been hard-ACK'd.
- (*) Reception of a reply data packet implicitly hard-ACK's all the data
+ (#) Reception of a reply data packet implicitly hard-ACK's all the data
packets that make up the request.
- (*) An call is complete when the request has been sent, the reply has been
+ (#) An call is complete when the request has been sent, the reply has been
received and the final hard-ACK on the last packet of the reply has
reached the server.
- (*) An call may be aborted by either end at any time up to its completion.
+ (#) An call may be aborted by either end at any time up to its completion.
-=====================
-AF_RXRPC DRIVER MODEL
+AF_RXRPC Driver Model
=====================
About the AF_RXRPC driver:
- (*) The AF_RXRPC protocol transparently uses internal sockets of the transport
+ (#) The AF_RXRPC protocol transparently uses internal sockets of the transport
protocol to represent transport endpoints.
- (*) AF_RXRPC sockets map onto RxRPC connection bundles. Actual RxRPC
+ (#) AF_RXRPC sockets map onto RxRPC connection bundles. Actual RxRPC
connections are handled transparently. One client socket may be used to
make multiple simultaneous calls to the same service. One server socket
may handle calls from many clients.
- (*) Additional parallel client connections will be initiated to support extra
+ (#) Additional parallel client connections will be initiated to support extra
concurrent calls, up to a tunable limit.
- (*) Each connection is retained for a certain amount of time [tunable] after
+ (#) Each connection is retained for a certain amount of time [tunable] after
the last call currently using it has completed in case a new call is made
that could reuse it.
- (*) Each internal UDP socket is retained [tunable] for a certain amount of
+ (#) Each internal UDP socket is retained [tunable] for a certain amount of
time [tunable] after the last connection using it discarded, in case a new
connection is made that could use it.
- (*) A client-side connection is only shared between calls if they have have
+ (#) A client-side connection is only shared between calls if they have have
the same key struct describing their security (and assuming the calls
would otherwise share the connection). Non-secured calls would also be
able to share connections with each other.
- (*) A server-side connection is shared if the client says it is.
+ (#) A server-side connection is shared if the client says it is.
- (*) ACK'ing is handled by the protocol driver automatically, including ping
+ (#) ACK'ing is handled by the protocol driver automatically, including ping
replying.
- (*) SO_KEEPALIVE automatically pings the other side to keep the connection
+ (#) SO_KEEPALIVE automatically pings the other side to keep the connection
alive [TODO].
- (*) If an ICMP error is received, all calls affected by that error will be
+ (#) If an ICMP error is received, all calls affected by that error will be
aborted with an appropriate network error passed through recvmsg().
Interaction with the user of the RxRPC socket:
- (*) A socket is made into a server socket by binding an address with a
+ (#) A socket is made into a server socket by binding an address with a
non-zero service ID.
- (*) In the client, sending a request is achieved with one or more sendmsgs,
+ (#) In the client, sending a request is achieved with one or more sendmsgs,
followed by the reply being received with one or more recvmsgs.
- (*) The first sendmsg for a request to be sent from a client contains a tag to
+ (#) The first sendmsg for a request to be sent from a client contains a tag to
be used in all other sendmsgs or recvmsgs associated with that call. The
tag is carried in the control data.
- (*) connect() is used to supply a default destination address for a client
+ (#) connect() is used to supply a default destination address for a client
socket. This may be overridden by supplying an alternate address to the
first sendmsg() of a call (struct msghdr::msg_name).
- (*) If connect() is called on an unbound client, a random local port will
+ (#) If connect() is called on an unbound client, a random local port will
bound before the operation takes place.
- (*) A server socket may also be used to make client calls. To do this, the
+ (#) A server socket may also be used to make client calls. To do this, the
first sendmsg() of the call must specify the target address. The server's
transport endpoint is used to send the packets.
- (*) Once the application has received the last message associated with a call,
+ (#) Once the application has received the last message associated with a call,
the tag is guaranteed not to be seen again, and so it can be used to pin
client resources. A new call can then be initiated with the same tag
without fear of interference.
- (*) In the server, a request is received with one or more recvmsgs, then the
+ (#) In the server, a request is received with one or more recvmsgs, then the
the reply is transmitted with one or more sendmsgs, and then the final ACK
is received with a last recvmsg.
- (*) When sending data for a call, sendmsg is given MSG_MORE if there's more
+ (#) When sending data for a call, sendmsg is given MSG_MORE if there's more
data to come on that call.
- (*) When receiving data for a call, recvmsg flags MSG_MORE if there's more
+ (#) When receiving data for a call, recvmsg flags MSG_MORE if there's more
data to come for that call.
- (*) When receiving data or messages for a call, MSG_EOR is flagged by recvmsg
+ (#) When receiving data or messages for a call, MSG_EOR is flagged by recvmsg
to indicate the terminal message for that call.
- (*) A call may be aborted by adding an abort control message to the control
+ (#) A call may be aborted by adding an abort control message to the control
data. Issuing an abort terminates the kernel's use of that call's tag.
Any messages waiting in the receive queue for that call will be discarded.
- (*) Aborts, busy notifications and challenge packets are delivered by recvmsg,
+ (#) Aborts, busy notifications and challenge packets are delivered by recvmsg,
and control data messages will be set to indicate the context. Receiving
an abort or a busy message terminates the kernel's use of that call's tag.
- (*) The control data part of the msghdr struct is used for a number of things:
+ (#) The control data part of the msghdr struct is used for a number of things:
- (*) The tag of the intended or affected call.
+ (#) The tag of the intended or affected call.
- (*) Sending or receiving errors, aborts and busy notifications.
+ (#) Sending or receiving errors, aborts and busy notifications.
- (*) Notifications of incoming calls.
+ (#) Notifications of incoming calls.
- (*) Sending debug requests and receiving debug replies [TODO].
+ (#) Sending debug requests and receiving debug replies [TODO].
- (*) When the kernel has received and set up an incoming call, it sends a
+ (#) When the kernel has received and set up an incoming call, it sends a
message to server application to let it know there's a new call awaiting
its acceptance [recvmsg reports a special control message]. The server
application then uses sendmsg to assign a tag to the new call. Once that
is done, the first part of the request data will be delivered by recvmsg.
- (*) The server application has to provide the server socket with a keyring of
+ (#) The server application has to provide the server socket with a keyring of
secret keys corresponding to the security types it permits. When a secure
connection is being set up, the kernel looks up the appropriate secret key
in the keyring and then sends a challenge packet to the client and
receives a response packet. The kernel then checks the authorisation of
the packet and either aborts the connection or sets up the security.
- (*) The name of the key a client will use to secure its communications is
+ (#) The name of the key a client will use to secure its communications is
nominated by a socket option.
Notes on sendmsg:
- (*) MSG_WAITALL can be set to tell sendmsg to ignore signals if the peer is
+ (#) MSG_WAITALL can be set to tell sendmsg to ignore signals if the peer is
making progress at accepting packets within a reasonable time such that we
manage to queue up all the data for transmission. This requires the
client to accept at least one packet per 2*RTT time period.
@@ -294,7 +293,7 @@ Notes on sendmsg:
Notes on recvmsg:
- (*) If there's a sequence of data messages belonging to a particular call on
+ (#) If there's a sequence of data messages belonging to a particular call on
the receive queue, then recvmsg will keep working through them until:
(a) it meets the end of that call's received data,
@@ -320,13 +319,13 @@ Notes on recvmsg:
flagged.
-================
-CONTROL MESSAGES
+Control Messages
================
AF_RXRPC makes use of control messages in sendmsg() and recvmsg() to multiplex
calls, to invoke certain actions and to report certain conditions. These are:
+ ======================= === =========== ===============================
MESSAGE ID SRT DATA MEANING
======================= === =========== ===============================
RXRPC_USER_CALL_ID sr- User ID App's call specifier
@@ -340,10 +339,11 @@ calls, to invoke certain actions and to report certain conditions. These are:
RXRPC_EXCLUSIVE_CALL s-- n/a Make an exclusive client call
RXRPC_UPGRADE_SERVICE s-- n/a Client call can be upgraded
RXRPC_TX_LENGTH s-- data len Total length of Tx data
+ ======================= === =========== ===============================
(SRT = usable in Sendmsg / delivered by Recvmsg / Terminal message)
- (*) RXRPC_USER_CALL_ID
+ (#) RXRPC_USER_CALL_ID
This is used to indicate the application's call ID. It's an unsigned long
that the app specifies in the client by attaching it to the first data
@@ -351,7 +351,7 @@ calls, to invoke certain actions and to report certain conditions. These are:
message. recvmsg() passes it in conjunction with all messages except
those of the RXRPC_NEW_CALL message.
- (*) RXRPC_ABORT
+ (#) RXRPC_ABORT
This is can be used by an application to abort a call by passing it to
sendmsg, or it can be delivered by recvmsg to indicate a remote abort was
@@ -359,13 +359,13 @@ calls, to invoke certain actions and to report certain conditions. These are:
specify the call affected. If an abort is being sent, then error EBADSLT
will be returned if there is no call with that user ID.
- (*) RXRPC_ACK
+ (#) RXRPC_ACK
This is delivered to a server application to indicate that the final ACK
of a call was received from the client. It will be associated with an
RXRPC_USER_CALL_ID to indicate the call that's now complete.
- (*) RXRPC_NET_ERROR
+ (#) RXRPC_NET_ERROR
This is delivered to an application to indicate that an ICMP error message
was encountered in the process of trying to talk to the peer. An
@@ -373,13 +373,13 @@ calls, to invoke certain actions and to report certain conditions. These are:
indicating the problem, and an RXRPC_USER_CALL_ID will indicate the call
affected.
- (*) RXRPC_BUSY
+ (#) RXRPC_BUSY
This is delivered to a client application to indicate that a call was
rejected by the server due to the server being busy. It will be
associated with an RXRPC_USER_CALL_ID to indicate the rejected call.
- (*) RXRPC_LOCAL_ERROR
+ (#) RXRPC_LOCAL_ERROR
This is delivered to an application to indicate that a local error was
encountered and that a call has been aborted because of it. An
@@ -387,13 +387,13 @@ calls, to invoke certain actions and to report certain conditions. These are:
indicating the problem, and an RXRPC_USER_CALL_ID will indicate the call
affected.
- (*) RXRPC_NEW_CALL
+ (#) RXRPC_NEW_CALL
This is delivered to indicate to a server application that a new call has
arrived and is awaiting acceptance. No user ID is associated with this,
as a user ID must subsequently be assigned by doing an RXRPC_ACCEPT.
- (*) RXRPC_ACCEPT
+ (#) RXRPC_ACCEPT
This is used by a server application to attempt to accept a call and
assign it a user ID. It should be associated with an RXRPC_USER_CALL_ID
@@ -402,12 +402,12 @@ calls, to invoke certain actions and to report certain conditions. These are:
return error ENODATA. If the user ID is already in use by another call,
then error EBADSLT will be returned.
- (*) RXRPC_EXCLUSIVE_CALL
+ (#) RXRPC_EXCLUSIVE_CALL
This is used to indicate that a client call should be made on a one-off
connection. The connection is discarded once the call has terminated.
- (*) RXRPC_UPGRADE_SERVICE
+ (#) RXRPC_UPGRADE_SERVICE
This is used to make a client call to probe if the specified service ID
may be upgraded by the server. The caller must check msg_name returned to
@@ -419,7 +419,7 @@ calls, to invoke certain actions and to report certain conditions. These are:
future communication to that server and RXRPC_UPGRADE_SERVICE should no
longer be set.
- (*) RXRPC_TX_LENGTH
+ (#) RXRPC_TX_LENGTH
This is used to inform the kernel of the total amount of data that is
going to be transmitted by a call (whether in a client request or a
@@ -443,7 +443,7 @@ SOCKET OPTIONS
AF_RXRPC sockets support a few socket options at the SOL_RXRPC level:
- (*) RXRPC_SECURITY_KEY
+ (#) RXRPC_SECURITY_KEY
This is used to specify the description of the key to be used. The key is
extracted from the calling process's keyrings with request_key() and
@@ -452,17 +452,17 @@ AF_RXRPC sockets support a few socket options at the SOL_RXRPC level:
The optval pointer points to the description string, and optlen indicates
how long the string is, without the NUL terminator.
- (*) RXRPC_SECURITY_KEYRING
+ (#) RXRPC_SECURITY_KEYRING
Similar to above but specifies a keyring of server secret keys to use (key
type "keyring"). See the "Security" section.
- (*) RXRPC_EXCLUSIVE_CONNECTION
+ (#) RXRPC_EXCLUSIVE_CONNECTION
This is used to request that new connections should be used for each call
made subsequently on this socket. optval should be NULL and optlen 0.
- (*) RXRPC_MIN_SECURITY_LEVEL
+ (#) RXRPC_MIN_SECURITY_LEVEL
This is used to specify the minimum security level required for calls on
this socket. optval must point to an int containing one of the following
@@ -477,19 +477,19 @@ AF_RXRPC sockets support a few socket options at the SOL_RXRPC level:
Encrypted checksum plus packet padded and first eight bytes of packet
encrypted - which includes the actual packet length.
- (c) RXRPC_SECURITY_ENCRYPTED
+ (c) RXRPC_SECURITY_ENCRYPT
Encrypted checksum plus entire packet padded and encrypted, including
actual packet length.
- (*) RXRPC_UPGRADEABLE_SERVICE
+ (#) RXRPC_UPGRADEABLE_SERVICE
This is used to indicate that a service socket with two bindings may
upgrade one bound service to the other if requested by the client. optval
must point to an array of two unsigned short ints. The first is the
service ID to upgrade from and the second the service ID to upgrade to.
- (*) RXRPC_SUPPORTED_CMSG
+ (#) RXRPC_SUPPORTED_CMSG
This is a read-only option that writes an int into the buffer indicating
the highest control message type supported.
@@ -509,7 +509,7 @@ found at:
http://people.redhat.com/~dhowells/rxrpc/klog.c
The payload provided to add_key() on the client should be of the following
-form:
+form::
struct rxrpc_key_sec2_v1 {
uint16_t security_index; /* 2 */
@@ -546,14 +546,14 @@ EXAMPLE CLIENT USAGE
A client would issue an operation by:
- (1) An RxRPC socket is set up by:
+ (1) An RxRPC socket is set up by::
client = socket(AF_RXRPC, SOCK_DGRAM, PF_INET);
Where the third parameter indicates the protocol family of the transport
socket used - usually IPv4 but it can also be IPv6 [TODO].
- (2) A local address can optionally be bound:
+ (2) A local address can optionally be bound::
struct sockaddr_rxrpc srx = {
.srx_family = AF_RXRPC,
@@ -570,20 +570,20 @@ A client would issue an operation by:
several unrelated RxRPC sockets. Security is handled on a basis of
per-RxRPC virtual connection.
- (3) The security is set:
+ (3) The security is set::
const char *key = "AFS:cambridge.redhat.com";
setsockopt(client, SOL_RXRPC, RXRPC_SECURITY_KEY, key, strlen(key));
This issues a request_key() to get the key representing the security
- context. The minimum security level can be set:
+ context. The minimum security level can be set::
- unsigned int sec = RXRPC_SECURITY_ENCRYPTED;
+ unsigned int sec = RXRPC_SECURITY_ENCRYPT;
setsockopt(client, SOL_RXRPC, RXRPC_MIN_SECURITY_LEVEL,
&sec, sizeof(sec));
(4) The server to be contacted can then be specified (alternatively this can
- be done through sendmsg):
+ be done through sendmsg)::
struct sockaddr_rxrpc srx = {
.srx_family = AF_RXRPC,
@@ -598,7 +598,9 @@ A client would issue an operation by:
(5) The request data should then be posted to the server socket using a series
of sendmsg() calls, each with the following control message attached:
- RXRPC_USER_CALL_ID - specifies the user ID for this call
+ ================== ===================================
+ RXRPC_USER_CALL_ID specifies the user ID for this call
+ ================== ===================================
MSG_MORE should be set in msghdr::msg_flags on all but the last part of
the request. Multiple requests may be made simultaneously.
@@ -635,13 +637,12 @@ any more calls (further calls to the same destination will be blocked until the
probe is concluded).
-====================
-EXAMPLE SERVER USAGE
+Example Server Usage
====================
A server would be set up to accept operations in the following manner:
- (1) An RxRPC socket is created by:
+ (1) An RxRPC socket is created by::
server = socket(AF_RXRPC, SOCK_DGRAM, PF_INET);
@@ -649,7 +650,7 @@ A server would be set up to accept operations in the following manner:
socket used - usually IPv4.
(2) Security is set up if desired by giving the socket a keyring with server
- secret keys in it:
+ secret keys in it::
keyring = add_key("keyring", "AFSkeys", NULL, 0,
KEY_SPEC_PROCESS_KEYRING);
@@ -663,7 +664,7 @@ A server would be set up to accept operations in the following manner:
The keyring can be manipulated after it has been given to the socket. This
permits the server to add more keys, replace keys, etc. while it is live.
- (3) A local address must then be bound:
+ (3) A local address must then be bound::
struct sockaddr_rxrpc srx = {
.srx_family = AF_RXRPC,
@@ -680,7 +681,7 @@ A server would be set up to accept operations in the following manner:
should be called twice.
(4) If service upgrading is required, first two service IDs must have been
- bound and then the following option must be set:
+ bound and then the following option must be set::
unsigned short service_ids[2] = { from_ID, to_ID };
setsockopt(server, SOL_RXRPC, RXRPC_UPGRADEABLE_SERVICE,
@@ -690,14 +691,14 @@ A server would be set up to accept operations in the following manner:
to_ID if they request it. This will be reflected in msg_name obtained
through recvmsg() when the request data is delivered to userspace.
- (5) The server is then set to listen out for incoming calls:
+ (5) The server is then set to listen out for incoming calls::
listen(server, 100);
(6) The kernel notifies the server of pending incoming connections by sending
it a message for each. This is received with recvmsg() on the server
socket. It has no data, and has a single dataless control message
- attached:
+ attached::
RXRPC_NEW_CALL
@@ -709,8 +710,10 @@ A server would be set up to accept operations in the following manner:
(7) The server then accepts the new call by issuing a sendmsg() with two
pieces of control data and no actual data:
- RXRPC_ACCEPT - indicate connection acceptance
- RXRPC_USER_CALL_ID - specify user ID for this call
+ ================== ==============================
+ RXRPC_ACCEPT indicate connection acceptance
+ RXRPC_USER_CALL_ID specify user ID for this call
+ ================== ==============================
(8) The first request data packet will then be posted to the server socket for
recvmsg() to pick up. At that point, the RxRPC address for the call can
@@ -722,12 +725,17 @@ A server would be set up to accept operations in the following manner:
All data will be delivered with the following control message attached:
- RXRPC_USER_CALL_ID - specifies the user ID for this call
+
+ ================== ===================================
+ RXRPC_USER_CALL_ID specifies the user ID for this call
+ ================== ===================================
(9) The reply data should then be posted to the server socket using a series
of sendmsg() calls, each with the following control messages attached:
- RXRPC_USER_CALL_ID - specifies the user ID for this call
+ ================== ===================================
+ RXRPC_USER_CALL_ID specifies the user ID for this call
+ ================== ===================================
MSG_MORE should be set in msghdr::msg_flags on all but the last message
for a particular call.
@@ -736,8 +744,10 @@ A server would be set up to accept operations in the following manner:
when it is received. It will take the form of a dataless message with two
control messages attached:
- RXRPC_USER_CALL_ID - specifies the user ID for this call
- RXRPC_ACK - indicates final ACK (no data)
+ ================== ===================================
+ RXRPC_USER_CALL_ID specifies the user ID for this call
+ RXRPC_ACK indicates final ACK (no data)
+ ================== ===================================
MSG_EOR will be flagged to indicate that this is the final message for
this call.
@@ -746,8 +756,10 @@ A server would be set up to accept operations in the following manner:
aborted by calling sendmsg() with a dataless message with the following
control messages attached:
- RXRPC_USER_CALL_ID - specifies the user ID for this call
- RXRPC_ABORT - indicates abort code (4 byte data)
+ ================== ===================================
+ RXRPC_USER_CALL_ID specifies the user ID for this call
+ RXRPC_ABORT indicates abort code (4 byte data)
+ ================== ===================================
Any packets waiting in the socket's receive queue will be discarded if
this is issued.
@@ -757,8 +769,7 @@ the one server socket, using control messages on sendmsg() and recvmsg() to
determine the call affected.
-=========================
-AF_RXRPC KERNEL INTERFACE
+AF_RXRPC Kernel Interface
=========================
The AF_RXRPC module also provides an interface for use by in-kernel utilities
@@ -786,7 +797,7 @@ then it passes this to the kernel interface functions.
The kernel interface functions are as follows:
- (*) Begin a new client call.
+ (#) Begin a new client call::
struct rxrpc_call *
rxrpc_kernel_begin_call(struct socket *sock,
@@ -837,7 +848,7 @@ The kernel interface functions are as follows:
returned. The caller now holds a reference on this and it must be
properly ended.
- (*) End a client call.
+ (#) End a client call::
void rxrpc_kernel_end_call(struct socket *sock,
struct rxrpc_call *call);
@@ -846,7 +857,7 @@ The kernel interface functions are as follows:
from AF_RXRPC's knowledge and will not be seen again in association with
the specified call.
- (*) Send data through a call.
+ (#) Send data through a call::
typedef void (*rxrpc_notify_end_tx_t)(struct sock *sk,
unsigned long user_call_ID,
@@ -872,7 +883,7 @@ The kernel interface functions are as follows:
called with the call-state spinlock held to prevent any reply or final ACK
from being delivered first.
- (*) Receive data from a call.
+ (#) Receive data from a call::
int rxrpc_kernel_recv_data(struct socket *sock,
struct rxrpc_call *call,
@@ -902,12 +913,14 @@ The kernel interface functions are as follows:
more data was available, EMSGSIZE is returned.
If a remote ABORT is detected, the abort code received will be stored in
- *_abort and ECONNABORTED will be returned.
+ ``*_abort`` and ECONNABORTED will be returned.
The service ID that the call ended up with is returned into *_service.
This can be used to see if a call got a service upgrade.
- (*) Abort a call.
+ (#) Abort a call??
+
+ ::
void rxrpc_kernel_abort_call(struct socket *sock,
struct rxrpc_call *call,
@@ -916,7 +929,7 @@ The kernel interface functions are as follows:
This is used to abort a call if it's still in an abortable state. The
abort code specified will be placed in the ABORT message sent.
- (*) Intercept received RxRPC messages.
+ (#) Intercept received RxRPC messages::
typedef void (*rxrpc_interceptor_t)(struct sock *sk,
unsigned long user_call_ID,
@@ -937,7 +950,8 @@ The kernel interface functions are as follows:
The skb->mark field indicates the type of message:
- MARK MEANING
+ =============================== =======================================
+ Mark Meaning
=============================== =======================================
RXRPC_SKB_MARK_DATA Data message
RXRPC_SKB_MARK_FINAL_ACK Final ACK received for an incoming call
@@ -946,6 +960,7 @@ The kernel interface functions are as follows:
RXRPC_SKB_MARK_NET_ERROR Network error detected
RXRPC_SKB_MARK_LOCAL_ERROR Local error encountered
RXRPC_SKB_MARK_NEW_CALL New incoming call awaiting acceptance
+ =============================== =======================================
The remote abort message can be probed with rxrpc_kernel_get_abort_code().
The two error messages can be probed with rxrpc_kernel_get_error_number().
@@ -961,7 +976,7 @@ The kernel interface functions are as follows:
is possible to get extra refs on all types of message for later freeing,
but this may pin the state of a call until the message is finally freed.
- (*) Accept an incoming call.
+ (#) Accept an incoming call::
struct rxrpc_call *
rxrpc_kernel_accept_call(struct socket *sock,
@@ -975,7 +990,7 @@ The kernel interface functions are as follows:
returned. The caller now holds a reference on this and it must be
properly ended.
- (*) Reject an incoming call.
+ (#) Reject an incoming call::
int rxrpc_kernel_reject_call(struct socket *sock);
@@ -984,21 +999,21 @@ The kernel interface functions are as follows:
Other errors may be returned if the call had been aborted (-ECONNABORTED)
or had timed out (-ETIME).
- (*) Allocate a null key for doing anonymous security.
+ (#) Allocate a null key for doing anonymous security::
struct key *rxrpc_get_null_key(const char *keyname);
This is used to allocate a null RxRPC key that can be used to indicate
anonymous security for a particular domain.
- (*) Get the peer address of a call.
+ (#) Get the peer address of a call::
void rxrpc_kernel_get_peer(struct socket *sock, struct rxrpc_call *call,
struct sockaddr_rxrpc *_srx);
This is used to find the remote peer address of a call.
- (*) Set the total transmit data size on a call.
+ (#) Set the total transmit data size on a call::
void rxrpc_kernel_set_tx_length(struct socket *sock,
struct rxrpc_call *call,
@@ -1009,14 +1024,14 @@ The kernel interface functions are as follows:
size should be set when the call is begun. tx_total_len may not be less
than zero.
- (*) Get call RTT.
+ (#) Get call RTT::
u64 rxrpc_kernel_get_rtt(struct socket *sock, struct rxrpc_call *call);
Get the RTT time to the peer in use by a call. The value returned is in
nanoseconds.
- (*) Check call still alive.
+ (#) Check call still alive::
bool rxrpc_kernel_check_life(struct socket *sock,
struct rxrpc_call *call,
@@ -1024,7 +1039,7 @@ The kernel interface functions are as follows:
void rxrpc_kernel_probe_life(struct socket *sock,
struct rxrpc_call *call);
- The first function passes back in *_life a number that is updated when
+ The first function passes back in ``*_life`` a number that is updated when
ACKs are received from the peer (notably including PING RESPONSE ACKs
which we can elicit by sending PING ACKs to see if the call still exists
on the server). The caller should compare the numbers of two calls to see
@@ -1040,7 +1055,7 @@ The kernel interface functions are as follows:
first function to change. Note that this must be called in TASK_RUNNING
state.
- (*) Get reply timestamp.
+ (#) Get reply timestamp::
bool rxrpc_kernel_get_reply_time(struct socket *sock,
struct rxrpc_call *call,
@@ -1048,10 +1063,10 @@ The kernel interface functions are as follows:
This allows the timestamp on the first DATA packet of the reply of a
client call to be queried, provided that it is still in the Rx ring. If
- successful, the timestamp will be stored into *_ts and true will be
+ successful, the timestamp will be stored into ``*_ts`` and true will be
returned; false will be returned otherwise.
- (*) Get remote client epoch.
+ (#) Get remote client epoch::
u32 rxrpc_kernel_get_epoch(struct socket *sock,
struct rxrpc_call *call)
@@ -1065,7 +1080,7 @@ The kernel interface functions are as follows:
This value can be used to determine if the remote client has been
restarted as it shouldn't change otherwise.
- (*) Set the maxmimum lifespan on a call.
+ (#) Set the maxmimum lifespan on a call::
void rxrpc_kernel_set_max_life(struct socket *sock,
struct rxrpc_call *call,
@@ -1075,15 +1090,23 @@ The kernel interface functions are as follows:
jiffies). In the event of the timeout occurring, the call will be
aborted and -ETIME or -ETIMEDOUT will be returned.
+ (#) Apply the RXRPC_MIN_SECURITY_LEVEL sockopt to a socket from within in the
+ kernel::
-=======================
-CONFIGURABLE PARAMETERS
+ int rxrpc_sock_set_min_security_level(struct sock *sk,
+ unsigned int val);
+
+ This specifies the minimum security level required for calls on this
+ socket.
+
+
+Configurable Parameters
=======================
The RxRPC protocol driver has a number of configurable parameters that can be
adjusted through sysctls in /proc/net/rxrpc/:
- (*) req_ack_delay
+ (#) req_ack_delay
The amount of time in milliseconds after receiving a packet with the
request-ack flag set before we honour the flag and actually send the
@@ -1093,60 +1116,60 @@ adjusted through sysctls in /proc/net/rxrpc/:
reception window is full (to a maximum of 255 packets), so delaying the
ACK permits several packets to be ACK'd in one go.
- (*) soft_ack_delay
+ (#) soft_ack_delay
The amount of time in milliseconds after receiving a new packet before we
generate a soft-ACK to tell the sender that it doesn't need to resend.
- (*) idle_ack_delay
+ (#) idle_ack_delay
The amount of time in milliseconds after all the packets currently in the
received queue have been consumed before we generate a hard-ACK to tell
the sender it can free its buffers, assuming no other reason occurs that
we would send an ACK.
- (*) resend_timeout
+ (#) resend_timeout
The amount of time in milliseconds after transmitting a packet before we
transmit it again, assuming no ACK is received from the receiver telling
us they got it.
- (*) max_call_lifetime
+ (#) max_call_lifetime
The maximum amount of time in seconds that a call may be in progress
before we preemptively kill it.
- (*) dead_call_expiry
+ (#) dead_call_expiry
The amount of time in seconds before we remove a dead call from the call
list. Dead calls are kept around for a little while for the purpose of
repeating ACK and ABORT packets.
- (*) connection_expiry
+ (#) connection_expiry
The amount of time in seconds after a connection was last used before we
remove it from the connection list. While a connection is in existence,
it serves as a placeholder for negotiated security; when it is deleted,
the security must be renegotiated.
- (*) transport_expiry
+ (#) transport_expiry
The amount of time in seconds after a transport was last used before we
remove it from the transport list. While a transport is in existence, it
serves to anchor the peer data and keeps the connection ID counter.
- (*) rxrpc_rx_window_size
+ (#) rxrpc_rx_window_size
The size of the receive window in packets. This is the maximum number of
unconsumed received packets we're willing to hold in memory for any
particular call.
- (*) rxrpc_rx_mtu
+ (#) rxrpc_rx_mtu
The maximum packet MTU size that we're willing to receive in bytes. This
indicates to the peer whether we're willing to accept jumbo packets.
- (*) rxrpc_rx_jumbo_max
+ (#) rxrpc_rx_jumbo_max
The maximum number of packets that we're willing to accept in a jumbo
packet. Non-terminal packets in a jumbo packet must contain a four byte
diff --git a/Documentation/networking/scaling.rst b/Documentation/networking/scaling.rst
index f78d7bf27ff5..8f0347b9fb3d 100644
--- a/Documentation/networking/scaling.rst
+++ b/Documentation/networking/scaling.rst
@@ -81,7 +81,7 @@ of queues to IRQs can be determined from /proc/interrupts. By default,
an IRQ may be handled on any CPU. Because a non-negligible part of packet
processing takes place in receive interrupt handling, it is advantageous
to spread receive interrupts between CPUs. To manually adjust the IRQ
-affinity of each interrupt see Documentation/IRQ-affinity.txt. Some systems
+affinity of each interrupt see Documentation/core-api/irq/irq-affinity.rst. Some systems
will be running irqbalance, a daemon that dynamically optimizes IRQ
assignments and as a result may override any manual settings.
@@ -160,7 +160,7 @@ can be configured for each receive queue using a sysfs file entry::
This file implements a bitmap of CPUs. RPS is disabled when it is zero
(the default), in which case packets are processed on the interrupting
-CPU. Documentation/IRQ-affinity.txt explains how CPUs are assigned to
+CPU. Documentation/core-api/irq/irq-affinity.rst explains how CPUs are assigned to
the bitmap.
diff --git a/Documentation/networking/sctp.txt b/Documentation/networking/sctp.rst
index 97b810ca9082..9f4d9c8a925b 100644
--- a/Documentation/networking/sctp.txt
+++ b/Documentation/networking/sctp.rst
@@ -1,35 +1,42 @@
-Linux Kernel SCTP
+.. SPDX-License-Identifier: GPL-2.0
+
+=================
+Linux Kernel SCTP
+=================
This is the current BETA release of the Linux Kernel SCTP reference
-implementation.
+implementation.
SCTP (Stream Control Transmission Protocol) is a IP based, message oriented,
reliable transport protocol, with congestion control, support for
transparent multi-homing, and multiple ordered streams of messages.
RFC2960 defines the core protocol. The IETF SIGTRAN working group originally
-developed the SCTP protocol and later handed the protocol over to the
-Transport Area (TSVWG) working group for the continued evolvement of SCTP as a
-general purpose transport.
+developed the SCTP protocol and later handed the protocol over to the
+Transport Area (TSVWG) working group for the continued evolvement of SCTP as a
+general purpose transport.
-See the IETF website (http://www.ietf.org) for further documents on SCTP.
-See http://www.ietf.org/rfc/rfc2960.txt
+See the IETF website (http://www.ietf.org) for further documents on SCTP.
+See http://www.ietf.org/rfc/rfc2960.txt
The initial project goal is to create an Linux kernel reference implementation
-of SCTP that is RFC 2960 compliant and provides an programming interface
-referred to as the UDP-style API of the Sockets Extensions for SCTP, as
-proposed in IETF Internet-Drafts.
+of SCTP that is RFC 2960 compliant and provides an programming interface
+referred to as the UDP-style API of the Sockets Extensions for SCTP, as
+proposed in IETF Internet-Drafts.
-Caveats:
+Caveats
+=======
--lksctp can be built as statically or as a module. However, be aware that
-module removal of lksctp is not yet a safe activity.
+- lksctp can be built as statically or as a module. However, be aware that
+ module removal of lksctp is not yet a safe activity.
--There is tentative support for IPv6, but most work has gone towards
-implementation and testing lksctp on IPv4.
+- There is tentative support for IPv6, but most work has gone towards
+ implementation and testing lksctp on IPv4.
For more information, please visit the lksctp project website:
+
http://www.sf.net/projects/lksctp
Or contact the lksctp developers through the mailing list:
+
<linux-sctp@vger.kernel.org>
diff --git a/Documentation/networking/secid.txt b/Documentation/networking/secid.rst
index 95ea06784333..b45141a98027 100644
--- a/Documentation/networking/secid.txt
+++ b/Documentation/networking/secid.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=================
+LSM/SeLinux secid
+=================
+
flowi structure:
The secid member in the flow structure is used in LSMs (e.g. SELinux) to indicate
diff --git a/Documentation/networking/seg6-sysctl.rst b/Documentation/networking/seg6-sysctl.rst
new file mode 100644
index 000000000000..ec73e1445030
--- /dev/null
+++ b/Documentation/networking/seg6-sysctl.rst
@@ -0,0 +1,26 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
+Seg6 Sysfs variables
+====================
+
+
+/proc/sys/net/conf/<iface>/seg6_* variables:
+============================================
+
+seg6_enabled - BOOL
+ Accept or drop SR-enabled IPv6 packets on this interface.
+
+ Relevant packets are those with SRH present and DA = local.
+
+ * 0 - disabled (default)
+ * not 0 - enabled
+
+seg6_require_hmac - INTEGER
+ Define HMAC policy for ingress SR-enabled packets on this interface.
+
+ * -1 - Ignore HMAC field
+ * 0 - Accept SR packets without HMAC, validate SR packets with HMAC
+ * 1 - Drop SR packets without HMAC, validate SR packets with HMAC
+
+ Default is 0.
diff --git a/Documentation/networking/seg6-sysctl.txt b/Documentation/networking/seg6-sysctl.txt
deleted file mode 100644
index bdbde23b19cb..000000000000
--- a/Documentation/networking/seg6-sysctl.txt
+++ /dev/null
@@ -1,18 +0,0 @@
-/proc/sys/net/conf/<iface>/seg6_* variables:
-
-seg6_enabled - BOOL
- Accept or drop SR-enabled IPv6 packets on this interface.
-
- Relevant packets are those with SRH present and DA = local.
-
- 0 - disabled (default)
- not 0 - enabled
-
-seg6_require_hmac - INTEGER
- Define HMAC policy for ingress SR-enabled packets on this interface.
-
- -1 - Ignore HMAC field
- 0 - Accept SR packets without HMAC, validate SR packets with HMAC
- 1 - Drop SR packets without HMAC, validate SR packets with HMAC
-
- Default is 0.
diff --git a/Documentation/networking/skfp.txt b/Documentation/networking/skfp.rst
index 203ec66c9fb4..58f548105c1d 100644
--- a/Documentation/networking/skfp.txt
+++ b/Documentation/networking/skfp.rst
@@ -1,35 +1,41 @@
-(C)Copyright 1998-2000 SysKonnect,
-===========================================================================
+.. SPDX-License-Identifier: GPL-2.0
+
+.. include:: <isonum.txt>
+
+========================
+SysKonnect driver - SKFP
+========================
+
+|copy| Copyright 1998-2000 SysKonnect,
skfp.txt created 11-May-2000
Readme File for skfp.o v2.06
-This file contains
-(1) OVERVIEW
-(2) SUPPORTED ADAPTERS
-(3) GENERAL INFORMATION
-(4) INSTALLATION
-(5) INCLUSION OF THE ADAPTER IN SYSTEM START
-(6) TROUBLESHOOTING
-(7) FUNCTION OF THE ADAPTER LEDS
-(8) HISTORY
+.. This file contains
-===========================================================================
+ (1) OVERVIEW
+ (2) SUPPORTED ADAPTERS
+ (3) GENERAL INFORMATION
+ (4) INSTALLATION
+ (5) INCLUSION OF THE ADAPTER IN SYSTEM START
+ (6) TROUBLESHOOTING
+ (7) FUNCTION OF THE ADAPTER LEDS
+ (8) HISTORY
-
-(1) OVERVIEW
-============
+1. Overview
+===========
This README explains how to use the driver 'skfp' for Linux with your
network adapter.
Chapter 2: Contains a list of all network adapters that are supported by
- this driver.
+this driver.
-Chapter 3: Gives some general information.
+Chapter 3:
+ Gives some general information.
Chapter 4: Describes common problems and solutions.
@@ -37,14 +43,13 @@ Chapter 5: Shows the changed functionality of the adapter LEDs.
Chapter 6: History of development.
-***
-
-(2) SUPPORTED ADAPTERS
-======================
+2. Supported adapters
+=====================
The network driver 'skfp' supports the following network adapters:
SysKonnect adapters:
+
- SK-5521 (SK-NET FDDI-UP)
- SK-5522 (SK-NET FDDI-UP DAS)
- SK-5541 (SK-NET FDDI-FP)
@@ -55,157 +60,187 @@ SysKonnect adapters:
- SK-5841 (SK-NET FDDI-FP64)
- SK-5843 (SK-NET FDDI-LP64)
- SK-5844 (SK-NET FDDI-LP64 DAS)
+
Compaq adapters (not tested):
+
- Netelligent 100 FDDI DAS Fibre SC
- Netelligent 100 FDDI SAS Fibre SC
- Netelligent 100 FDDI DAS UTP
- Netelligent 100 FDDI SAS UTP
- Netelligent 100 FDDI SAS Fibre MIC
-***
-(3) GENERAL INFORMATION
-=======================
+3. General Information
+======================
From v2.01 on, the driver is integrated in the linux kernel sources.
Therefore, the installation is the same as for any other adapter
supported by the kernel.
+
Refer to the manual of your distribution about the installation
of network adapters.
-Makes my life much easier :-)
-***
+Makes my life much easier :-)
-(4) TROUBLESHOOTING
-===================
+4. Troubleshooting
+==================
If you run into problems during installation, check those items:
-Problem: The FDDI adapter cannot be found by the driver.
-Reason: Look in /proc/pci for the following entry:
- 'FDDI network controller: SysKonnect SK-FDDI-PCI ...'
+Problem:
+ The FDDI adapter cannot be found by the driver.
+
+Reason:
+ Look in /proc/pci for the following entry:
+
+ 'FDDI network controller: SysKonnect SK-FDDI-PCI ...'
+
If this entry exists, then the FDDI adapter has been
found by the system and should be able to be used.
+
If this entry does not exist or if the file '/proc/pci'
is not there, then you may have a hardware problem or PCI
support may not be enabled in your kernel.
+
The adapter can be checked using the diagnostic program
which is available from the SysKonnect web site:
+
www.syskonnect.de
+
Some COMPAQ machines have a problem with PCI under
Linux. This is described in the 'PCI howto' document
(included in some distributions or available from the
www, e.g. at 'www.linux.org') and no workaround is available.
-Problem: You want to use your computer as a router between
- multiple IP subnetworks (using multiple adapters), but
+Problem:
+ You want to use your computer as a router between
+ multiple IP subnetworks (using multiple adapters), but
you cannot reach computers in other subnetworks.
-Reason: Either the router's kernel is not configured for IP
+
+Reason:
+ Either the router's kernel is not configured for IP
forwarding or there is a problem with the routing table
and gateway configuration in at least one of the
computers.
If your problem is not listed here, please contact our
-technical support for help.
-You can send email to:
- linux@syskonnect.de
+technical support for help.
+
+You can send email to: linux@syskonnect.de
+
When contacting our technical support,
please ensure that the following information is available:
+
- System Manufacturer and Model
- Boards in your system
- Distribution
- Kernel version
-***
-
-
-(5) FUNCTION OF THE ADAPTER LEDS
-================================
- The functionality of the LED's on the FDDI network adapters was
- changed in SMT version v2.82. With this new SMT version, the yellow
- LED works as a ring operational indicator. An active yellow LED
- indicates that the ring is down. The green LED on the adapter now
- works as a link indicator where an active GREEN LED indicates that
- the respective port has a physical connection.
+5. Function of the Adapter LEDs
+===============================
- With versions of SMT prior to v2.82 a ring up was indicated if the
- yellow LED was off while the green LED(s) showed the connection
- status of the adapter. During a ring down the green LED was off and
- the yellow LED was on.
+ The functionality of the LED's on the FDDI network adapters was
+ changed in SMT version v2.82. With this new SMT version, the yellow
+ LED works as a ring operational indicator. An active yellow LED
+ indicates that the ring is down. The green LED on the adapter now
+ works as a link indicator where an active GREEN LED indicates that
+ the respective port has a physical connection.
- All implementations indicate that a driver is not loaded if
- all LEDs are off.
+ With versions of SMT prior to v2.82 a ring up was indicated if the
+ yellow LED was off while the green LED(s) showed the connection
+ status of the adapter. During a ring down the green LED was off and
+ the yellow LED was on.
-***
+ All implementations indicate that a driver is not loaded if
+ all LEDs are off.
-(6) HISTORY
-===========
+6. History
+==========
v2.06 (20000511) (In-Kernel version)
New features:
+
- 64 bit support
- new pci dma interface
- in kernel 2.3.99
v2.05 (20000217) (In-Kernel version)
New features:
+
- Changes for 2.3.45 kernel
v2.04 (20000207) (Standalone version)
New features:
+
- Added rx/tx byte counter
v2.03 (20000111) (Standalone version)
Problems fixed:
+
- Fixed printk statements from v2.02
v2.02 (991215) (Standalone version)
Problems fixed:
+
- Removed unnecessary output
- Fixed path for "printver.sh" in makefile
v2.01 (991122) (In-Kernel version)
New features:
+
- Integration in Linux kernel sources
- Support for memory mapped I/O.
v2.00 (991112)
New features:
+
- Full source released under GPL
v1.05 (991023)
Problems fixed:
+
- Compilation with kernel version 2.2.13 failed
v1.04 (990427)
Changes:
+
- New SMT module included, changing LED functionality
+
Problems fixed:
+
- Synchronization on SMP machines was buggy
v1.03 (990325)
Problems fixed:
+
- Interrupt routing on SMP machines could be incorrect
v1.02 (990310)
New features:
+
- Support for kernel versions 2.2.x added
- Kernel patch instead of private duplicate of kernel functions
v1.01 (980812)
Problems fixed:
+
Connection hangup with telnet
Slow telnet connection
v1.00 beta 01 (980507)
New features:
+
None.
+
Problems fixed:
+
None.
+
Known limitations:
- - tar archive instead of standard package format (rpm).
+
+ - tar archive instead of standard package format (rpm).
- FDDI statistic is empty.
- not tested with 2.1.xx kernels
- integration in kernel not tested
@@ -216,5 +251,3 @@ v1.00 beta 01 (980507)
- does not work on some COMPAQ machines. See the PCI howto
document for details about this problem.
- data corruption with kernel versions below 2.0.33.
-
-*** End of information file ***
diff --git a/Documentation/networking/snmp_counter.rst b/Documentation/networking/snmp_counter.rst
index 10e11099e74a..4edd0d38779e 100644
--- a/Documentation/networking/snmp_counter.rst
+++ b/Documentation/networking/snmp_counter.rst
@@ -792,7 +792,7 @@ counters to indicate the ACK is skipped in which scenario. The ACK
would only be skipped if the received packet is either a SYN packet or
it has no data.
-.. _sysctl document: https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt
+.. _sysctl document: https://www.kernel.org/doc/Documentation/networking/ip-sysctl.rst
* TcpExtTCPACKSkippedSynRecv
diff --git a/Documentation/networking/strparser.txt b/Documentation/networking/strparser.rst
index a7d354ddda7b..6cab1f74ae05 100644
--- a/Documentation/networking/strparser.txt
+++ b/Documentation/networking/strparser.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================
Stream Parser (strparser)
+=========================
Introduction
============
@@ -34,8 +38,10 @@ that is called when a full message has been completed.
Functions
=========
-strp_init(struct strparser *strp, struct sock *sk,
- const struct strp_callbacks *cb)
+ ::
+
+ strp_init(struct strparser *strp, struct sock *sk,
+ const struct strp_callbacks *cb)
Called to initialize a stream parser. strp is a struct of type
strparser that is allocated by the upper layer. sk is the TCP
@@ -43,31 +49,41 @@ strp_init(struct strparser *strp, struct sock *sk,
callback mode; in general mode this is set to NULL. Callbacks
are called by the stream parser (the callbacks are listed below).
-void strp_pause(struct strparser *strp)
+ ::
+
+ void strp_pause(struct strparser *strp)
Temporarily pause a stream parser. Message parsing is suspended
and no new messages are delivered to the upper layer.
-void strp_unpause(struct strparser *strp)
+ ::
+
+ void strp_unpause(struct strparser *strp)
Unpause a paused stream parser.
-void strp_stop(struct strparser *strp);
+ ::
+
+ void strp_stop(struct strparser *strp);
strp_stop is called to completely stop stream parser operations.
This is called internally when the stream parser encounters an
error, and it is called from the upper layer to stop parsing
operations.
-void strp_done(struct strparser *strp);
+ ::
+
+ void strp_done(struct strparser *strp);
strp_done is called to release any resources held by the stream
parser instance. This must be called after the stream processor
has been stopped.
-int strp_process(struct strparser *strp, struct sk_buff *orig_skb,
- unsigned int orig_offset, size_t orig_len,
- size_t max_msg_size, long timeo)
+ ::
+
+ int strp_process(struct strparser *strp, struct sk_buff *orig_skb,
+ unsigned int orig_offset, size_t orig_len,
+ size_t max_msg_size, long timeo)
strp_process is called in general mode for a stream parser to
parse an sk_buff. The number of bytes processed or a negative
@@ -75,7 +91,9 @@ int strp_process(struct strparser *strp, struct sk_buff *orig_skb,
consume the sk_buff. max_msg_size is maximum size the stream
parser will parse. timeo is timeout for completing a message.
-void strp_data_ready(struct strparser *strp);
+ ::
+
+ void strp_data_ready(struct strparser *strp);
The upper layer calls strp_tcp_data_ready when data is ready on
the lower socket for strparser to process. This should be called
@@ -83,7 +101,9 @@ void strp_data_ready(struct strparser *strp);
maximum messages size is the limit of the receive socket
buffer and message timeout is the receive timeout for the socket.
-void strp_check_rcv(struct strparser *strp);
+ ::
+
+ void strp_check_rcv(struct strparser *strp);
strp_check_rcv is called to check for new messages on the socket.
This is normally called at initialization of a stream parser
@@ -94,7 +114,9 @@ Callbacks
There are six callbacks:
-int (*parse_msg)(struct strparser *strp, struct sk_buff *skb);
+ ::
+
+ int (*parse_msg)(struct strparser *strp, struct sk_buff *skb);
parse_msg is called to determine the length of the next message
in the stream. The upper layer must implement this function. It
@@ -107,14 +129,16 @@ int (*parse_msg)(struct strparser *strp, struct sk_buff *skb);
The return values of this function are:
- >0 : indicates length of successfully parsed message
- 0 : indicates more data must be received to parse the message
- -ESTRPIPE : current message should not be processed by the
- kernel, return control of the socket to userspace which
- can proceed to read the messages itself
- other < 0 : Error in parsing, give control back to userspace
- assuming that synchronization is lost and the stream
- is unrecoverable (application expected to close TCP socket)
+ ========= ===========================================================
+ >0 indicates length of successfully parsed message
+ 0 indicates more data must be received to parse the message
+ -ESTRPIPE current message should not be processed by the
+ kernel, return control of the socket to userspace which
+ can proceed to read the messages itself
+ other < 0 Error in parsing, give control back to userspace
+ assuming that synchronization is lost and the stream
+ is unrecoverable (application expected to close TCP socket)
+ ========= ===========================================================
In the case that an error is returned (return value is less than
zero) and the parser is in receive callback mode, then it will set
@@ -123,7 +147,9 @@ int (*parse_msg)(struct strparser *strp, struct sk_buff *skb);
the current message, then the error set on the attached socket is
ENODATA since the stream is unrecoverable in that case.
-void (*lock)(struct strparser *strp)
+ ::
+
+ void (*lock)(struct strparser *strp)
The lock callback is called to lock the strp structure when
the strparser is performing an asynchronous operation (such as
@@ -131,14 +157,18 @@ void (*lock)(struct strparser *strp)
function is to lock_sock for the associated socket. In general
mode the callback must be set appropriately.
-void (*unlock)(struct strparser *strp)
+ ::
+
+ void (*unlock)(struct strparser *strp)
The unlock callback is called to release the lock obtained
by the lock callback. In receive callback mode the default
function is release_sock for the associated socket. In general
mode the callback must be set appropriately.
-void (*rcv_msg)(struct strparser *strp, struct sk_buff *skb);
+ ::
+
+ void (*rcv_msg)(struct strparser *strp, struct sk_buff *skb);
rcv_msg is called when a full message has been received and
is queued. The callee must consume the sk_buff; it can
@@ -152,7 +182,9 @@ void (*rcv_msg)(struct strparser *strp, struct sk_buff *skb);
the length of the message. skb->len - offset may be greater
then full_len since strparser does not trim the skb.
-int (*read_sock_done)(struct strparser *strp, int err);
+ ::
+
+ int (*read_sock_done)(struct strparser *strp, int err);
read_sock_done is called when the stream parser is done reading
the TCP socket in receive callback mode. The stream parser may
@@ -160,7 +192,9 @@ int (*read_sock_done)(struct strparser *strp, int err);
to occur when exiting the loop. If the callback is not set (NULL
in strp_init) a default function is used.
-void (*abort_parser)(struct strparser *strp, int err);
+ ::
+
+ void (*abort_parser)(struct strparser *strp, int err);
This function is called when stream parser encounters an error
in parsing. The default function stops the stream parser and
@@ -204,4 +238,3 @@ Author
======
Tom Herbert (tom@quantonium.net)
-
diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.rst
index 86174ce8cd13..ddc3f35775dc 100644
--- a/Documentation/networking/switchdev.txt
+++ b/Documentation/networking/switchdev.rst
@@ -1,7 +1,13 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
+
+===============================================
Ethernet switch device driver model (switchdev)
===============================================
-Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
-Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
+
+Copyright |copy| 2014 Jiri Pirko <jiri@resnulli.us>
+
+Copyright |copy| 2014-2015 Scott Feldman <sfeldma@gmail.com>
The Ethernet switch device driver model (switchdev) is an in-kernel driver
@@ -12,53 +18,57 @@ Figure 1 is a block diagram showing the components of the switchdev model for
an example setup using a data-center-class switch ASIC chip. Other setups
with SR-IOV or soft switches, such as OVS, are possible.
+::
- User-space tools
+
+ User-space tools
user space |
+-------------------------------------------------------------------+
kernel | Netlink
- |
- +--------------+-------------------------------+
- | Network stack |
- | (Linux) |
- | |
- +----------------------------------------------+
-
- sw1p2 sw1p4 sw1p6
- sw1p1 + sw1p3 + sw1p5 + eth1
- + | + | + | +
- | | | | | | |
- +--+----+----+----+----+----+---+ +-----+-----+
- | Switch driver | | mgmt |
- | (this document) | | driver |
- | | | |
- +--------------+----------------+ +-----------+
- |
+ |
+ +--------------+-------------------------------+
+ | Network stack |
+ | (Linux) |
+ | |
+ +----------------------------------------------+
+
+ sw1p2 sw1p4 sw1p6
+ sw1p1 + sw1p3 + sw1p5 + eth1
+ + | + | + | +
+ | | | | | | |
+ +--+----+----+----+----+----+---+ +-----+-----+
+ | Switch driver | | mgmt |
+ | (this document) | | driver |
+ | | | |
+ +--------------+----------------+ +-----------+
+ |
kernel | HW bus (eg PCI)
+-------------------------------------------------------------------+
hardware |
- +--------------+----------------+
- | Switch device (sw1) |
- | +----+ +--------+
- | | v offloaded data path | mgmt port
- | | | |
- +--|----|----+----+----+----+---+
- | | | | | |
- + + + + + +
- p1 p2 p3 p4 p5 p6
+ +--------------+----------------+
+ | Switch device (sw1) |
+ | +----+ +--------+
+ | | v offloaded data path | mgmt port
+ | | | |
+ +--|----|----+----+----+----+---+
+ | | | | | |
+ + + + + + +
+ p1 p2 p3 p4 p5 p6
- front-panel ports
+ front-panel ports
- Fig 1.
+ Fig 1.
Include Files
-------------
-#include <linux/netdevice.h>
-#include <net/switchdev.h>
+::
+
+ #include <linux/netdevice.h>
+ #include <net/switchdev.h>
Configuration
@@ -114,10 +124,10 @@ Using port PHYS name (ndo_get_phys_port_name) for the key is particularly
useful for dynamically-named ports where the device names its ports based on
external configuration. For example, if a physical 40G port is split logically
into 4 10G ports, resulting in 4 port netdevs, the device can give a unique
-name for each port using port PHYS name. The udev rule would be:
+name for each port using port PHYS name. The udev rule would be::
-SUBSYSTEM=="net", ACTION=="add", ATTR{phys_switch_id}=="<phys_switch_id>", \
- ATTR{phys_port_name}!="", NAME="swX$attr{phys_port_name}"
+ SUBSYSTEM=="net", ACTION=="add", ATTR{phys_switch_id}=="<phys_switch_id>", \
+ ATTR{phys_port_name}!="", NAME="swX$attr{phys_port_name}"
Suggested naming convention is "swXpYsZ", where X is the switch name or ID, Y
is the port name or ID, and Z is the sub-port name or ID. For example, sw1p1s0
@@ -173,7 +183,7 @@ Static FDB Entries
The switchdev driver should implement ndo_fdb_add, ndo_fdb_del and ndo_fdb_dump
to support static FDB entries installed to the device. Static bridge FDB
-entries are installed, for example, using iproute2 bridge cmd:
+entries are installed, for example, using iproute2 bridge cmd::
bridge fdb add ADDR dev DEV [vlan VID] [self]
@@ -185,7 +195,7 @@ XXX: what should be done if offloading this rule to hardware fails (for
example, due to full capacity in hardware tables) ?
Note: by default, the bridge does not filter on VLAN and only bridges untagged
-traffic. To enable VLAN support, turn on VLAN filtering:
+traffic. To enable VLAN support, turn on VLAN filtering::
echo 1 >/sys/class/net/<bridge>/bridge/vlan_filtering
@@ -194,7 +204,7 @@ Notification of Learned/Forgotten Source MAC/VLANs
The switch device will learn/forget source MAC address/VLAN on ingress packets
and notify the switch driver of the mac/vlan/port tuples. The switch driver,
-in turn, will notify the bridge driver using the switchdev notifier call:
+in turn, will notify the bridge driver using the switchdev notifier call::
err = call_switchdev_notifiers(val, dev, info, extack);
@@ -202,7 +212,7 @@ Where val is SWITCHDEV_FDB_ADD when learning and SWITCHDEV_FDB_DEL when
forgetting, and info points to a struct switchdev_notifier_fdb_info. On
SWITCHDEV_FDB_ADD, the bridge driver will install the FDB entry into the
bridge's FDB and mark the entry as NTF_EXT_LEARNED. The iproute2 bridge
-command will label these entries "offload":
+command will label these entries "offload"::
$ bridge fdb
52:54:00:12:35:01 dev sw1p1 master br0 permanent
@@ -219,11 +229,11 @@ command will label these entries "offload":
01:00:5e:00:00:01 dev br0 self permanent
33:33:ff:12:35:01 dev br0 self permanent
-Learning on the port should be disabled on the bridge using the bridge command:
+Learning on the port should be disabled on the bridge using the bridge command::
bridge link set dev DEV learning off
-Learning on the device port should be enabled, as well as learning_sync:
+Learning on the device port should be enabled, as well as learning_sync::
bridge link set dev DEV learning on self
bridge link set dev DEV learning_sync on self
@@ -314,12 +324,16 @@ forwards the packet to the matching FIB entry's nexthop(s) egress ports.
To program the device, the driver has to register a FIB notifier handler
using register_fib_notifier. The following events are available:
-FIB_EVENT_ENTRY_ADD: used for both adding a new FIB entry to the device,
- or modifying an existing entry on the device.
-FIB_EVENT_ENTRY_DEL: used for removing a FIB entry
-FIB_EVENT_RULE_ADD, FIB_EVENT_RULE_DEL: used to propagate FIB rule changes
-FIB_EVENT_ENTRY_ADD and FIB_EVENT_ENTRY_DEL events pass:
+=================== ===================================================
+FIB_EVENT_ENTRY_ADD used for both adding a new FIB entry to the device,
+ or modifying an existing entry on the device.
+FIB_EVENT_ENTRY_DEL used for removing a FIB entry
+FIB_EVENT_RULE_ADD,
+FIB_EVENT_RULE_DEL used to propagate FIB rule changes
+=================== ===================================================
+
+FIB_EVENT_ENTRY_ADD and FIB_EVENT_ENTRY_DEL events pass::
struct fib_entry_notifier_info {
struct fib_notifier_info info; /* must be first */
@@ -332,12 +346,12 @@ FIB_EVENT_ENTRY_ADD and FIB_EVENT_ENTRY_DEL events pass:
u32 nlflags;
};
-to add/modify/delete IPv4 dst/dest_len prefix on table tb_id. The *fi
-structure holds details on the route and route's nexthops. *dev is one of the
-port netdevs mentioned in the route's next hop list.
+to add/modify/delete IPv4 dst/dest_len prefix on table tb_id. The ``*fi``
+structure holds details on the route and route's nexthops. ``*dev`` is one
+of the port netdevs mentioned in the route's next hop list.
Routes offloaded to the device are labeled with "offload" in the ip route
-listing:
+listing::
$ ip route show
default via 192.168.0.2 dev eth0
diff --git a/Documentation/networking/tc-actions-env-rules.rst b/Documentation/networking/tc-actions-env-rules.rst
new file mode 100644
index 000000000000..86884b8fb4e0
--- /dev/null
+++ b/Documentation/networking/tc-actions-env-rules.rst
@@ -0,0 +1,29 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================================
+TC Actions - Environmental Rules
+================================
+
+
+The "environmental" rules for authors of any new tc actions are:
+
+1) If you stealeth or borroweth any packet thou shalt be branching
+ from the righteous path and thou shalt cloneth.
+
+ For example if your action queues a packet to be processed later,
+ or intentionally branches by redirecting a packet, then you need to
+ clone the packet.
+
+2) If you munge any packet thou shalt call pskb_expand_head in the case
+ someone else is referencing the skb. After that you "own" the skb.
+
+3) Dropping packets you don't own is a no-no. You simply return
+ TC_ACT_SHOT to the caller and they will drop it.
+
+The "environmental" rules for callers of actions (qdiscs etc) are:
+
+#) Thou art responsible for freeing anything returned as being
+ TC_ACT_SHOT/STOLEN/QUEUED. If none of TC_ACT_SHOT/STOLEN/QUEUED is
+ returned, then all is great and you don't need to do anything.
+
+Post on netdev if something is unclear.
diff --git a/Documentation/networking/tc-actions-env-rules.txt b/Documentation/networking/tc-actions-env-rules.txt
deleted file mode 100644
index f37814693ad3..000000000000
--- a/Documentation/networking/tc-actions-env-rules.txt
+++ /dev/null
@@ -1,24 +0,0 @@
-
-The "environmental" rules for authors of any new tc actions are:
-
-1) If you stealeth or borroweth any packet thou shalt be branching
-from the righteous path and thou shalt cloneth.
-
-For example if your action queues a packet to be processed later,
-or intentionally branches by redirecting a packet, then you need to
-clone the packet.
-
-2) If you munge any packet thou shalt call pskb_expand_head in the case
-someone else is referencing the skb. After that you "own" the skb.
-
-3) Dropping packets you don't own is a no-no. You simply return
-TC_ACT_SHOT to the caller and they will drop it.
-
-The "environmental" rules for callers of actions (qdiscs etc) are:
-
-*) Thou art responsible for freeing anything returned as being
-TC_ACT_SHOT/STOLEN/QUEUED. If none of TC_ACT_SHOT/STOLEN/QUEUED is
-returned, then all is great and you don't need to do anything.
-
-Post on netdev if something is unclear.
-
diff --git a/Documentation/networking/tcp-thin.txt b/Documentation/networking/tcp-thin.rst
index 151e229980f1..b06765c96ea1 100644
--- a/Documentation/networking/tcp-thin.txt
+++ b/Documentation/networking/tcp-thin.rst
@@ -1,5 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================
Thin-streams and TCP
====================
+
A wide range of Internet-based services that use reliable transport
protocols display what we call thin-stream properties. This means
that the application sends data with such a low rate that the
@@ -42,6 +46,7 @@ References
==========
More information on the modifications, as well as a wide range of
experimental data can be found here:
+
"Improving latency for interactive, thin-stream applications over
reliable transport"
http://simula.no/research/nd/publications/Simula.nd.477/simula_pdf_file
diff --git a/Documentation/networking/team.txt b/Documentation/networking/team.rst
index 5a013686b9ea..0a7f3a059586 100644
--- a/Documentation/networking/team.txt
+++ b/Documentation/networking/team.rst
@@ -1,2 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====
+Team
+====
+
Team devices are driven from userspace via libteam library which is here:
https://github.com/jpirko/libteam
diff --git a/Documentation/networking/timestamping.txt b/Documentation/networking/timestamping.rst
index 8dd6333c3270..1adead6a4527 100644
--- a/Documentation/networking/timestamping.txt
+++ b/Documentation/networking/timestamping.rst
@@ -1,9 +1,16 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+Timestamping
+============
+
1. Control Interfaces
+=====================
The interfaces for receiving network packages timestamps are:
-* SO_TIMESTAMP
+SO_TIMESTAMP
Generates a timestamp for each incoming packet in (not necessarily
monotonic) system time. Reports the timestamp via recvmsg() in a
control message in usec resolution.
@@ -13,7 +20,7 @@ The interfaces for receiving network packages timestamps are:
SO_TIMESTAMP_OLD and in struct __kernel_sock_timeval for
SO_TIMESTAMP_NEW options respectively.
-* SO_TIMESTAMPNS
+SO_TIMESTAMPNS
Same timestamping mechanism as SO_TIMESTAMP, but reports the
timestamp as struct timespec in nsec resolution.
SO_TIMESTAMPNS is defined as SO_TIMESTAMPNS_NEW or SO_TIMESTAMPNS_OLD
@@ -22,17 +29,18 @@ The interfaces for receiving network packages timestamps are:
and in struct __kernel_timespec for SO_TIMESTAMPNS_NEW options
respectively.
-* IP_MULTICAST_LOOP + SO_TIMESTAMP[NS]
+IP_MULTICAST_LOOP + SO_TIMESTAMP[NS]
Only for multicast:approximate transmit timestamp obtained by
reading the looped packet receive timestamp.
-* SO_TIMESTAMPING
+SO_TIMESTAMPING
Generates timestamps on reception, transmission or both. Supports
multiple timestamp sources, including hardware. Supports generating
timestamps for stream sockets.
-1.1 SO_TIMESTAMP (also SO_TIMESTAMP_OLD and SO_TIMESTAMP_NEW):
+1.1 SO_TIMESTAMP (also SO_TIMESTAMP_OLD and SO_TIMESTAMP_NEW)
+-------------------------------------------------------------
This socket option enables timestamping of datagrams on the reception
path. Because the destination socket, if any, is not known early in
@@ -59,10 +67,11 @@ struct __kernel_timespec format.
SO_TIMESTAMPNS_OLD returns incorrect timestamps after the year 2038
on 32 bit machines.
-1.3 SO_TIMESTAMPING (also SO_TIMESTAMPING_OLD and SO_TIMESTAMPING_NEW):
+1.3 SO_TIMESTAMPING (also SO_TIMESTAMPING_OLD and SO_TIMESTAMPING_NEW)
+----------------------------------------------------------------------
Supports multiple types of timestamp requests. As a result, this
-socket option takes a bitmap of flags, not a boolean. In
+socket option takes a bitmap of flags, not a boolean. In::
err = setsockopt(fd, SOL_SOCKET, SO_TIMESTAMPING, &val, sizeof(val));
@@ -76,6 +85,7 @@ be enabled for individual sendmsg calls using cmsg (1.3.4).
1.3.1 Timestamp Generation
+^^^^^^^^^^^^^^^^^^^^^^^^^^
Some bits are requests to the stack to try to generate timestamps. Any
combination of them is valid. Changes to these bits apply to newly
@@ -106,7 +116,6 @@ SOF_TIMESTAMPING_TX_SOFTWARE:
require driver support and may not be available for all devices.
This flag can be enabled via both socket options and control messages.
-
SOF_TIMESTAMPING_TX_SCHED:
Request tx timestamps prior to entering the packet scheduler. Kernel
transmit latency is, if long, often dominated by queuing delay. The
@@ -132,6 +141,7 @@ SOF_TIMESTAMPING_TX_ACK:
1.3.2 Timestamp Reporting
+^^^^^^^^^^^^^^^^^^^^^^^^^
The other three bits control which timestamps will be reported in a
generated control message. Changes to the bits take immediate
@@ -151,11 +161,11 @@ SOF_TIMESTAMPING_RAW_HARDWARE:
1.3.3 Timestamp Options
+^^^^^^^^^^^^^^^^^^^^^^^
The interface supports the options
SOF_TIMESTAMPING_OPT_ID:
-
Generate a unique identifier along with each packet. A process can
have multiple concurrent timestamping requests outstanding. Packets
can be reordered in the transmit path, for instance in the packet
@@ -183,7 +193,6 @@ SOF_TIMESTAMPING_OPT_ID:
SOF_TIMESTAMPING_OPT_CMSG:
-
Support recv() cmsg for all timestamped packets. Control messages
are already supported unconditionally on all packets with receive
timestamps and on IPv6 packets with transmit timestamp. This option
@@ -193,7 +202,6 @@ SOF_TIMESTAMPING_OPT_CMSG:
SOF_TIMESTAMPING_OPT_TSONLY:
-
Applies to transmit timestamps only. Makes the kernel return the
timestamp as a cmsg alongside an empty packet, as opposed to
alongside the original packet. This reduces the amount of memory
@@ -202,7 +210,6 @@ SOF_TIMESTAMPING_OPT_TSONLY:
This option disables SOF_TIMESTAMPING_OPT_CMSG.
SOF_TIMESTAMPING_OPT_STATS:
-
Optional stats that are obtained along with the transmit timestamps.
It must be used together with SOF_TIMESTAMPING_OPT_TSONLY. When the
transmit timestamp is available, the stats are available in a
@@ -213,7 +220,6 @@ SOF_TIMESTAMPING_OPT_STATS:
data was limited by peer's receiver window.
SOF_TIMESTAMPING_OPT_PKTINFO:
-
Enable the SCM_TIMESTAMPING_PKTINFO control message for incoming
packets with hardware timestamps. The message contains struct
scm_ts_pktinfo, which supplies the index of the real interface which
@@ -223,7 +229,6 @@ SOF_TIMESTAMPING_OPT_PKTINFO:
other fields, but they are reserved and undefined.
SOF_TIMESTAMPING_OPT_TX_SWHW:
-
Request both hardware and software timestamps for outgoing packets
when SOF_TIMESTAMPING_TX_HARDWARE and SOF_TIMESTAMPING_TX_SOFTWARE
are enabled at the same time. If both timestamps are generated,
@@ -242,12 +247,13 @@ combined with SOF_TIMESTAMPING_OPT_TSONLY.
1.3.4. Enabling timestamps via control messages
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In addition to socket options, timestamp generation can be requested
per write via cmsg, only for SOF_TIMESTAMPING_TX_* (see Section 1.3.1).
Using this feature, applications can sample timestamps per sendmsg()
without paying the overhead of enabling and disabling timestamps via
-setsockopt:
+setsockopt::
struct msghdr *msg;
...
@@ -264,7 +270,7 @@ The SOF_TIMESTAMPING_TX_* flags set via cmsg will override
the SOF_TIMESTAMPING_TX_* flags set via setsockopt.
Moreover, applications must still enable timestamp reporting via
-setsockopt to receive timestamps:
+setsockopt to receive timestamps::
__u32 val = SOF_TIMESTAMPING_SOFTWARE |
SOF_TIMESTAMPING_OPT_ID /* or any other flag */;
@@ -272,6 +278,7 @@ setsockopt to receive timestamps:
1.4 Bytestream Timestamps
+-------------------------
The SO_TIMESTAMPING interface supports timestamping of bytes in a
bytestream. Each request is interpreted as a request for when the
@@ -331,6 +338,7 @@ unusual.
2 Data Interfaces
+==================
Timestamps are read using the ancillary data feature of recvmsg().
See `man 3 cmsg` for details of this interface. The socket manual
@@ -339,20 +347,21 @@ SO_TIMESTAMP and SO_TIMESTAMPNS records can be retrieved.
2.1 SCM_TIMESTAMPING records
+----------------------------
These timestamps are returned in a control message with cmsg_level
SOL_SOCKET, cmsg_type SCM_TIMESTAMPING, and payload of type
-For SO_TIMESTAMPING_OLD:
+For SO_TIMESTAMPING_OLD::
-struct scm_timestamping {
- struct timespec ts[3];
-};
+ struct scm_timestamping {
+ struct timespec ts[3];
+ };
-For SO_TIMESTAMPING_NEW:
+For SO_TIMESTAMPING_NEW::
-struct scm_timestamping64 {
- struct __kernel_timespec ts[3];
+ struct scm_timestamping64 {
+ struct __kernel_timespec ts[3];
Always use SO_TIMESTAMPING_NEW timestamp to always get timestamp in
struct scm_timestamping64 format.
@@ -377,6 +386,7 @@ in ts[0] when a real software timestamp is missing. This happens also
on hardware transmit timestamps.
2.1.1 Transmit timestamps with MSG_ERRQUEUE
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
For transmit timestamps the outgoing packet is looped back to the
socket's error queue with the send timestamp(s) attached. A process
@@ -393,6 +403,7 @@ embeds the struct scm_timestamping.
2.1.1.2 Timestamp types
+~~~~~~~~~~~~~~~~~~~~~~~
The semantics of the three struct timespec are defined by field
ee_info in the extended error structure. It contains a value of
@@ -408,6 +419,7 @@ case the timestamp is stored in ts[0].
2.1.1.3 Fragmentation
+~~~~~~~~~~~~~~~~~~~~~
Fragmentation of outgoing datagrams is rare, but is possible, e.g., by
explicitly disabling PMTU discovery. If an outgoing packet is fragmented,
@@ -416,6 +428,7 @@ socket.
2.1.1.4 Packet Payload
+~~~~~~~~~~~~~~~~~~~~~~
The calling application is often not interested in receiving the whole
packet payload that it passed to the stack originally: the socket
@@ -427,6 +440,7 @@ however, the full packet is queued, taking up budget from SO_RCVBUF.
2.1.1.5 Blocking Read
+~~~~~~~~~~~~~~~~~~~~~
Reading from the error queue is always a non-blocking operation. To
block waiting on a timestamp, use poll or select. poll() will return
@@ -436,6 +450,7 @@ ignored on request. See also `man 2 poll`.
2.1.2 Receive timestamps
+^^^^^^^^^^^^^^^^^^^^^^^^
On reception, there is no reason to read from the socket error queue.
The SCM_TIMESTAMPING ancillary data is sent along with the packet data
@@ -447,16 +462,17 @@ is again deprecated and ts[2] holds a hardware timestamp if set.
3. Hardware Timestamping configuration: SIOCSHWTSTAMP and SIOCGHWTSTAMP
+=======================================================================
Hardware time stamping must also be initialized for each device driver
that is expected to do hardware time stamping. The parameter is defined in
-include/uapi/linux/net_tstamp.h as:
+include/uapi/linux/net_tstamp.h as::
-struct hwtstamp_config {
- int flags; /* no flags defined right now, must be zero */
- int tx_type; /* HWTSTAMP_TX_* */
- int rx_filter; /* HWTSTAMP_FILTER_* */
-};
+ struct hwtstamp_config {
+ int flags; /* no flags defined right now, must be zero */
+ int tx_type; /* HWTSTAMP_TX_* */
+ int rx_filter; /* HWTSTAMP_FILTER_* */
+ };
Desired behavior is passed into the kernel and to a specific device by
calling ioctl(SIOCSHWTSTAMP) with a pointer to a struct ifreq whose
@@ -487,44 +503,47 @@ Any process can read the actual configuration by passing this
structure to ioctl(SIOCGHWTSTAMP) in the same way. However, this has
not been implemented in all drivers.
-/* possible values for hwtstamp_config->tx_type */
-enum {
- /*
- * no outgoing packet will need hardware time stamping;
- * should a packet arrive which asks for it, no hardware
- * time stamping will be done
- */
- HWTSTAMP_TX_OFF,
-
- /*
- * enables hardware time stamping for outgoing packets;
- * the sender of the packet decides which are to be
- * time stamped by setting SOF_TIMESTAMPING_TX_SOFTWARE
- * before sending the packet
- */
- HWTSTAMP_TX_ON,
-};
-
-/* possible values for hwtstamp_config->rx_filter */
-enum {
- /* time stamp no incoming packet at all */
- HWTSTAMP_FILTER_NONE,
-
- /* time stamp any incoming packet */
- HWTSTAMP_FILTER_ALL,
-
- /* return value: time stamp all packets requested plus some others */
- HWTSTAMP_FILTER_SOME,
-
- /* PTP v1, UDP, any kind of event packet */
- HWTSTAMP_FILTER_PTP_V1_L4_EVENT,
-
- /* for the complete list of values, please check
- * the include file include/uapi/linux/net_tstamp.h
- */
-};
+::
+
+ /* possible values for hwtstamp_config->tx_type */
+ enum {
+ /*
+ * no outgoing packet will need hardware time stamping;
+ * should a packet arrive which asks for it, no hardware
+ * time stamping will be done
+ */
+ HWTSTAMP_TX_OFF,
+
+ /*
+ * enables hardware time stamping for outgoing packets;
+ * the sender of the packet decides which are to be
+ * time stamped by setting SOF_TIMESTAMPING_TX_SOFTWARE
+ * before sending the packet
+ */
+ HWTSTAMP_TX_ON,
+ };
+
+ /* possible values for hwtstamp_config->rx_filter */
+ enum {
+ /* time stamp no incoming packet at all */
+ HWTSTAMP_FILTER_NONE,
+
+ /* time stamp any incoming packet */
+ HWTSTAMP_FILTER_ALL,
+
+ /* return value: time stamp all packets requested plus some others */
+ HWTSTAMP_FILTER_SOME,
+
+ /* PTP v1, UDP, any kind of event packet */
+ HWTSTAMP_FILTER_PTP_V1_L4_EVENT,
+
+ /* for the complete list of values, please check
+ * the include file include/uapi/linux/net_tstamp.h
+ */
+ };
3.1 Hardware Timestamping Implementation: Device Drivers
+--------------------------------------------------------
A driver which supports hardware time stamping must support the
SIOCSHWTSTAMP ioctl and update the supplied struct hwtstamp_config with
@@ -533,22 +552,23 @@ should also support SIOCGHWTSTAMP.
Time stamps for received packets must be stored in the skb. To get a pointer
to the shared time stamp structure of the skb call skb_hwtstamps(). Then
-set the time stamps in the structure:
+set the time stamps in the structure::
-struct skb_shared_hwtstamps {
- /* hardware time stamp transformed into duration
- * since arbitrary point in time
- */
- ktime_t hwtstamp;
-};
+ struct skb_shared_hwtstamps {
+ /* hardware time stamp transformed into duration
+ * since arbitrary point in time
+ */
+ ktime_t hwtstamp;
+ };
Time stamps for outgoing packets are to be generated as follows:
+
- In hard_start_xmit(), check if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
is set no-zero. If yes, then the driver is expected to do hardware time
stamping.
- If this is possible for the skb and requested, then declare
that the driver is doing the time stamping by setting the flag
- SKBTX_IN_PROGRESS in skb_shinfo(skb)->tx_flags , e.g. with
+ SKBTX_IN_PROGRESS in skb_shinfo(skb)->tx_flags , e.g. with::
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
diff --git a/Documentation/networking/tproxy.txt b/Documentation/networking/tproxy.rst
index b9a188823d9f..00dc3a1a66b4 100644
--- a/Documentation/networking/tproxy.txt
+++ b/Documentation/networking/tproxy.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=========================
Transparent proxy support
=========================
@@ -11,39 +14,39 @@ From Linux 4.18 transparent proxy support is also available in nf_tables.
================================
The idea is that you identify packets with destination address matching a local
-socket on your box, set the packet mark to a certain value:
+socket on your box, set the packet mark to a certain value::
-# iptables -t mangle -N DIVERT
-# iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT
-# iptables -t mangle -A DIVERT -j MARK --set-mark 1
-# iptables -t mangle -A DIVERT -j ACCEPT
+ # iptables -t mangle -N DIVERT
+ # iptables -t mangle -A PREROUTING -p tcp -m socket -j DIVERT
+ # iptables -t mangle -A DIVERT -j MARK --set-mark 1
+ # iptables -t mangle -A DIVERT -j ACCEPT
-Alternatively you can do this in nft with the following commands:
+Alternatively you can do this in nft with the following commands::
-# nft add table filter
-# nft add chain filter divert "{ type filter hook prerouting priority -150; }"
-# nft add rule filter divert meta l4proto tcp socket transparent 1 meta mark set 1 accept
+ # nft add table filter
+ # nft add chain filter divert "{ type filter hook prerouting priority -150; }"
+ # nft add rule filter divert meta l4proto tcp socket transparent 1 meta mark set 1 accept
And then match on that value using policy routing to have those packets
-delivered locally:
+delivered locally::
-# ip rule add fwmark 1 lookup 100
-# ip route add local 0.0.0.0/0 dev lo table 100
+ # ip rule add fwmark 1 lookup 100
+ # ip route add local 0.0.0.0/0 dev lo table 100
Because of certain restrictions in the IPv4 routing output code you'll have to
modify your application to allow it to send datagrams _from_ non-local IP
addresses. All you have to do is enable the (SOL_IP, IP_TRANSPARENT) socket
-option before calling bind:
-
-fd = socket(AF_INET, SOCK_STREAM, 0);
-/* - 8< -*/
-int value = 1;
-setsockopt(fd, SOL_IP, IP_TRANSPARENT, &value, sizeof(value));
-/* - 8< -*/
-name.sin_family = AF_INET;
-name.sin_port = htons(0xCAFE);
-name.sin_addr.s_addr = htonl(0xDEADBEEF);
-bind(fd, &name, sizeof(name));
+option before calling bind::
+
+ fd = socket(AF_INET, SOCK_STREAM, 0);
+ /* - 8< -*/
+ int value = 1;
+ setsockopt(fd, SOL_IP, IP_TRANSPARENT, &value, sizeof(value));
+ /* - 8< -*/
+ name.sin_family = AF_INET;
+ name.sin_port = htons(0xCAFE);
+ name.sin_addr.s_addr = htonl(0xDEADBEEF);
+ bind(fd, &name, sizeof(name));
A trivial patch for netcat is available here:
http://people.netfilter.org/hidden/tproxy/netcat-ip_transparent-support.patch
@@ -61,10 +64,10 @@ be able to find out the original destination address. Even in case of TCP
getting the original destination address is racy.)
The 'TPROXY' target provides similar functionality without relying on NAT. Simply
-add rules like this to the iptables ruleset above:
+add rules like this to the iptables ruleset above::
-# iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY \
- --tproxy-mark 0x1/0x1 --on-port 50080
+ # iptables -t mangle -A PREROUTING -p tcp --dport 80 -j TPROXY \
+ --tproxy-mark 0x1/0x1 --on-port 50080
Or the following rule to nft:
@@ -82,10 +85,12 @@ nf_tables implementation.
====================================
To use tproxy you'll need to have the following modules compiled for iptables:
+
- NETFILTER_XT_MATCH_SOCKET
- NETFILTER_XT_TARGET_TPROXY
Or the floowing modules for nf_tables:
+
- NFT_SOCKET
- NFT_TPROXY
diff --git a/Documentation/networking/tuntap.txt b/Documentation/networking/tuntap.rst
index 0104830d5075..a59d1dd6fdcc 100644
--- a/Documentation/networking/tuntap.txt
+++ b/Documentation/networking/tuntap.rst
@@ -1,20 +1,28 @@
-Universal TUN/TAP device driver.
-Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
- Linux, Solaris drivers
- Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
+===============================
+Universal TUN/TAP device driver
+===============================
- FreeBSD TAP driver
- Copyright (c) 1999-2000 Maksim Yevmenkin <m_evmenkin@yahoo.com>
+Copyright |copy| 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
+
+ Linux, Solaris drivers
+ Copyright |copy| 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
+
+ FreeBSD TAP driver
+ Copyright |copy| 1999-2000 Maksim Yevmenkin <m_evmenkin@yahoo.com>
Revision of this document 2002 by Florian Thiel <florian.thiel@gmx.net>
1. Description
- TUN/TAP provides packet reception and transmission for user space programs.
+==============
+
+ TUN/TAP provides packet reception and transmission for user space programs.
It can be seen as a simple Point-to-Point or Ethernet device, which,
- instead of receiving packets from physical media, receives them from
- user space program and instead of sending packets via physical media
- writes them to the user space program.
+ instead of receiving packets from physical media, receives them from
+ user space program and instead of sending packets via physical media
+ writes them to the user space program.
In order to use the driver a program has to open /dev/net/tun and issue a
corresponding ioctl() to register a network device with the kernel. A network
@@ -33,41 +41,51 @@ Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
br_sigio.c - bridge based on async io and SIGIO signal.
However, the best example is VTun http://vtun.sourceforge.net :))
-2. Configuration
- Create device node:
+2. Configuration
+================
+
+ Create device node::
+
mkdir /dev/net (if it doesn't exist already)
mknod /dev/net/tun c 10 200
-
- Set permissions:
+
+ Set permissions::
+
e.g. chmod 0666 /dev/net/tun
- There's no harm in allowing the device to be accessible by non-root users,
- since CAP_NET_ADMIN is required for creating network devices or for
- connecting to network devices which aren't owned by the user in question.
- If you want to create persistent devices and give ownership of them to
- unprivileged users, then you need the /dev/net/tun device to be usable by
- those users.
+
+ There's no harm in allowing the device to be accessible by non-root users,
+ since CAP_NET_ADMIN is required for creating network devices or for
+ connecting to network devices which aren't owned by the user in question.
+ If you want to create persistent devices and give ownership of them to
+ unprivileged users, then you need the /dev/net/tun device to be usable by
+ those users.
Driver module autoloading
Make sure that "Kernel module loader" - module auto-loading
support is enabled in your kernel. The kernel should load it on
first access.
-
- Manual loading
- insert the module by hand:
- modprobe tun
+
+ Manual loading
+
+ insert the module by hand::
+
+ modprobe tun
If you do it the latter way, you have to load the module every time you
need it, if you do it the other way it will be automatically loaded when
/dev/net/tun is being opened.
-3. Program interface
- 3.1 Network device allocation:
+3. Program interface
+====================
+
+3.1 Network device allocation
+-----------------------------
- char *dev should be the name of the device with a format string (e.g.
- "tun%d"), but (as far as I can see) this can be any valid network device name.
- Note that the character pointer becomes overwritten with the real device name
- (e.g. "tun0")
+``char *dev`` should be the name of the device with a format string (e.g.
+"tun%d"), but (as far as I can see) this can be any valid network device name.
+Note that the character pointer becomes overwritten with the real device name
+(e.g. "tun0")::
#include <linux/if.h>
#include <linux/if_tun.h>
@@ -78,45 +96,51 @@ Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
int fd, err;
if( (fd = open("/dev/net/tun", O_RDWR)) < 0 )
- return tun_alloc_old(dev);
+ return tun_alloc_old(dev);
memset(&ifr, 0, sizeof(ifr));
- /* Flags: IFF_TUN - TUN device (no Ethernet headers)
- * IFF_TAP - TAP device
+ /* Flags: IFF_TUN - TUN device (no Ethernet headers)
+ * IFF_TAP - TAP device
*
- * IFF_NO_PI - Do not provide packet information
- */
- ifr.ifr_flags = IFF_TUN;
+ * IFF_NO_PI - Do not provide packet information
+ */
+ ifr.ifr_flags = IFF_TUN;
if( *dev )
- strncpy(ifr.ifr_name, dev, IFNAMSIZ);
+ strncpy(ifr.ifr_name, dev, IFNAMSIZ);
if( (err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 ){
- close(fd);
- return err;
+ close(fd);
+ return err;
}
strcpy(dev, ifr.ifr_name);
return fd;
- }
-
- 3.2 Frame format:
- If flag IFF_NO_PI is not set each frame format is:
+ }
+
+3.2 Frame format
+----------------
+
+If flag IFF_NO_PI is not set each frame format is::
+
Flags [2 bytes]
Proto [2 bytes]
Raw protocol(IP, IPv6, etc) frame.
- 3.3 Multiqueue tuntap interface:
+3.3 Multiqueue tuntap interface
+-------------------------------
+
+From version 3.8, Linux supports multiqueue tuntap which can uses multiple
+file descriptors (queues) to parallelize packets sending or receiving. The
+device allocation is the same as before, and if user wants to create multiple
+queues, TUNSETIFF with the same device name must be called many times with
+IFF_MULTI_QUEUE flag.
- From version 3.8, Linux supports multiqueue tuntap which can uses multiple
- file descriptors (queues) to parallelize packets sending or receiving. The
- device allocation is the same as before, and if user wants to create multiple
- queues, TUNSETIFF with the same device name must be called many times with
- IFF_MULTI_QUEUE flag.
+``char *dev`` should be the name of the device, queues is the number of queues
+to be created, fds is used to store and return the file descriptors (queues)
+created to the caller. Each file descriptor were served as the interface of a
+queue which could be accessed by userspace.
- char *dev should be the name of the device, queues is the number of queues to
- be created, fds is used to store and return the file descriptors (queues)
- created to the caller. Each file descriptor were served as the interface of a
- queue which could be accessed by userspace.
+::
#include <linux/if.h>
#include <linux/if_tun.h>
@@ -127,7 +151,7 @@ Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
int fd, err, i;
if (!dev)
- return -1;
+ return -1;
memset(&ifr, 0, sizeof(ifr));
/* Flags: IFF_TUN - TUN device (no Ethernet headers)
@@ -140,30 +164,30 @@ Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
strcpy(ifr.ifr_name, dev);
for (i = 0; i < queues; i++) {
- if ((fd = open("/dev/net/tun", O_RDWR)) < 0)
- goto err;
- err = ioctl(fd, TUNSETIFF, (void *)&ifr);
- if (err) {
- close(fd);
- goto err;
- }
- fds[i] = fd;
+ if ((fd = open("/dev/net/tun", O_RDWR)) < 0)
+ goto err;
+ err = ioctl(fd, TUNSETIFF, (void *)&ifr);
+ if (err) {
+ close(fd);
+ goto err;
+ }
+ fds[i] = fd;
}
return 0;
err:
for (--i; i >= 0; i--)
- close(fds[i]);
+ close(fds[i]);
return err;
}
- A new ioctl(TUNSETQUEUE) were introduced to enable or disable a queue. When
- calling it with IFF_DETACH_QUEUE flag, the queue were disabled. And when
- calling it with IFF_ATTACH_QUEUE flag, the queue were enabled. The queue were
- enabled by default after it was created through TUNSETIFF.
+A new ioctl(TUNSETQUEUE) were introduced to enable or disable a queue. When
+calling it with IFF_DETACH_QUEUE flag, the queue were disabled. And when
+calling it with IFF_ATTACH_QUEUE flag, the queue were enabled. The queue were
+enabled by default after it was created through TUNSETIFF.
- fd is the file descriptor (queue) that we want to enable or disable, when
- enable is true we enable it, otherwise we disable it
+fd is the file descriptor (queue) that we want to enable or disable, when
+enable is true we enable it, otherwise we disable it::
#include <linux/if.h>
#include <linux/if_tun.h>
@@ -175,53 +199,61 @@ Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
memset(&ifr, 0, sizeof(ifr));
if (enable)
- ifr.ifr_flags = IFF_ATTACH_QUEUE;
+ ifr.ifr_flags = IFF_ATTACH_QUEUE;
else
- ifr.ifr_flags = IFF_DETACH_QUEUE;
+ ifr.ifr_flags = IFF_DETACH_QUEUE;
return ioctl(fd, TUNSETQUEUE, (void *)&ifr);
}
-Universal TUN/TAP device driver Frequently Asked Question.
-
+Universal TUN/TAP device driver Frequently Asked Question
+=========================================================
+
1. What platforms are supported by TUN/TAP driver ?
+
Currently driver has been written for 3 Unices:
- Linux kernels 2.2.x, 2.4.x
- FreeBSD 3.x, 4.x, 5.x
- Solaris 2.6, 7.0, 8.0
+
+ - Linux kernels 2.2.x, 2.4.x
+ - FreeBSD 3.x, 4.x, 5.x
+ - Solaris 2.6, 7.0, 8.0
2. What is TUN/TAP driver used for?
-As mentioned above, main purpose of TUN/TAP driver is tunneling.
+
+As mentioned above, main purpose of TUN/TAP driver is tunneling.
It is used by VTun (http://vtun.sourceforge.net).
Another interesting application using TUN/TAP is pipsecd
(http://perso.enst.fr/~beyssac/pipsec/), a userspace IPSec
implementation that can use complete kernel routing (unlike FreeS/WAN).
-3. How does Virtual network device actually work ?
+3. How does Virtual network device actually work ?
+
Virtual network device can be viewed as a simple Point-to-Point or
-Ethernet device, which instead of receiving packets from a physical
-media, receives them from user space program and instead of sending
-packets via physical media sends them to the user space program.
+Ethernet device, which instead of receiving packets from a physical
+media, receives them from user space program and instead of sending
+packets via physical media sends them to the user space program.
Let's say that you configured IPv6 on the tap0, then whenever
the kernel sends an IPv6 packet to tap0, it is passed to the application
-(VTun for example). The application encrypts, compresses and sends it to
+(VTun for example). The application encrypts, compresses and sends it to
the other side over TCP or UDP. The application on the other side decompresses
-and decrypts the data received and writes the packet to the TAP device,
+and decrypts the data received and writes the packet to the TAP device,
the kernel handles the packet like it came from real physical device.
4. What is the difference between TUN driver and TAP driver?
+
TUN works with IP frames. TAP works with Ethernet frames.
This means that you have to read/write IP packets when you are using tun and
ethernet frames when using tap.
5. What is the difference between BPF and TUN/TAP driver?
+
BPF is an advanced packet filter. It can be attached to existing
network interface. It does not provide a virtual network interface.
A TUN/TAP driver does provide a virtual network interface and it is possible
to attach BPF to this interface.
6. Does TAP driver support kernel Ethernet bridging?
-Yes. Linux and FreeBSD drivers support Ethernet bridging.
+
+Yes. Linux and FreeBSD drivers support Ethernet bridging.
diff --git a/Documentation/networking/udplite.txt b/Documentation/networking/udplite.rst
index 53a726855e49..2c225f28b7b2 100644
--- a/Documentation/networking/udplite.txt
+++ b/Documentation/networking/udplite.rst
@@ -1,6 +1,8 @@
- ===========================================================================
- The UDP-Lite protocol (RFC 3828)
- ===========================================================================
+.. SPDX-License-Identifier: GPL-2.0
+
+================================
+The UDP-Lite protocol (RFC 3828)
+================================
UDP-Lite is a Standards-Track IETF transport protocol whose characteristic
@@ -11,39 +13,43 @@
This file briefly describes the existing kernel support and the socket API.
For in-depth information, you can consult:
- o The UDP-Lite Homepage:
- http://web.archive.org/web/*/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/
- From here you can also download some example application source code.
+ - The UDP-Lite Homepage:
+ http://web.archive.org/web/%2E/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/
+
+ From here you can also download some example application source code.
- o The UDP-Lite HOWTO on
- http://web.archive.org/web/*/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/
- files/UDP-Lite-HOWTO.txt
+ - The UDP-Lite HOWTO on
+ http://web.archive.org/web/%2E/http://www.erg.abdn.ac.uk/users/gerrit/udp-lite/files/UDP-Lite-HOWTO.txt
- o The Wireshark UDP-Lite WiKi (with capture files):
- https://wiki.wireshark.org/Lightweight_User_Datagram_Protocol
+ - The Wireshark UDP-Lite WiKi (with capture files):
+ https://wiki.wireshark.org/Lightweight_User_Datagram_Protocol
- o The Protocol Spec, RFC 3828, http://www.ietf.org/rfc/rfc3828.txt
+ - The Protocol Spec, RFC 3828, http://www.ietf.org/rfc/rfc3828.txt
- I) APPLICATIONS
+1. Applications
+===============
Several applications have been ported successfully to UDP-Lite. Ethereal
- (now called wireshark) has UDP-Litev4/v6 support by default.
+ (now called wireshark) has UDP-Litev4/v6 support by default.
+
Porting applications to UDP-Lite is straightforward: only socket level and
IPPROTO need to be changed; senders additionally set the checksum coverage
length (default = header length = 8). Details are in the next section.
-
- II) PROGRAMMING API
+2. Programming API
+==================
UDP-Lite provides a connectionless, unreliable datagram service and hence
uses the same socket type as UDP. In fact, porting from UDP to UDP-Lite is
- very easy: simply add `IPPROTO_UDPLITE' as the last argument of the socket(2)
- call so that the statement looks like:
+ very easy: simply add ``IPPROTO_UDPLITE`` as the last argument of the
+ socket(2) call so that the statement looks like::
s = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDPLITE);
- or, respectively,
+ or, respectively,
+
+ ::
s = socket(PF_INET6, SOCK_DGRAM, IPPROTO_UDPLITE);
@@ -56,10 +62,10 @@
* Sender checksum coverage: UDPLITE_SEND_CSCOV
- For example,
+ For example::
- int val = 20;
- setsockopt(s, SOL_UDPLITE, UDPLITE_SEND_CSCOV, &val, sizeof(int));
+ int val = 20;
+ setsockopt(s, SOL_UDPLITE, UDPLITE_SEND_CSCOV, &val, sizeof(int));
sets the checksum coverage length to 20 bytes (12b data + 8b header).
Of each packet only the first 20 bytes (plus the pseudo-header) will be
@@ -74,10 +80,10 @@
that of a traffic filter: when enabled, it instructs the kernel to drop
all packets which have a coverage _less_ than this value. For example, if
RTP and UDP headers are to be protected, a receiver can enforce that only
- packets with a minimum coverage of 20 are admitted:
+ packets with a minimum coverage of 20 are admitted::
- int min = 20;
- setsockopt(s, SOL_UDPLITE, UDPLITE_RECV_CSCOV, &min, sizeof(int));
+ int min = 20;
+ setsockopt(s, SOL_UDPLITE, UDPLITE_RECV_CSCOV, &min, sizeof(int));
The calls to getsockopt(2) are analogous. Being an extension and not a stand-
alone protocol, all socket options known from UDP can be used in exactly the
@@ -85,18 +91,18 @@
A detailed discussion of UDP-Lite checksum coverage options is in section IV.
-
- III) HEADER FILES
+3. Header Files
+===============
The socket API requires support through header files in /usr/include:
* /usr/include/netinet/in.h
- to define IPPROTO_UDPLITE
+ to define IPPROTO_UDPLITE
* /usr/include/netinet/udplite.h
- for UDP-Lite header fields and protocol constants
+ for UDP-Lite header fields and protocol constants
- For testing purposes, the following can serve as a `mini' header file:
+ For testing purposes, the following can serve as a ``mini`` header file::
#define IPPROTO_UDPLITE 136
#define SOL_UDPLITE 136
@@ -105,8 +111,9 @@
Ready-made header files for various distros are in the UDP-Lite tarball.
+4. Kernel Behaviour with Regards to the Various Socket Options
+==============================================================
- IV) KERNEL BEHAVIOUR WITH REGARD TO THE VARIOUS SOCKET OPTIONS
To enable debugging messages, the log level need to be set to 8, as most
messages use the KERN_DEBUG level (7).
@@ -136,13 +143,13 @@
3) Disabling the Checksum Computation
On both sender and receiver, checksumming will always be performed
- and cannot be disabled using SO_NO_CHECK. Thus
+ and cannot be disabled using SO_NO_CHECK. Thus::
- setsockopt(sockfd, SOL_SOCKET, SO_NO_CHECK, ... );
+ setsockopt(sockfd, SOL_SOCKET, SO_NO_CHECK, ... );
- will always will be ignored, while the value of
+ will always will be ignored, while the value of::
- getsockopt(sockfd, SOL_SOCKET, SO_NO_CHECK, &value, ...);
+ getsockopt(sockfd, SOL_SOCKET, SO_NO_CHECK, &value, ...);
is meaningless (as in TCP). Packets with a zero checksum field are
illegal (cf. RFC 3828, sec. 3.1) and will be silently discarded.
@@ -167,15 +174,15 @@
first one contains the L4 header.
The send buffer size has implications on the checksum coverage length.
- Consider the following example:
+ Consider the following example::
- Payload: 1536 bytes Send Buffer: 1024 bytes
- MTU: 1500 bytes Coverage Length: 856 bytes
+ Payload: 1536 bytes Send Buffer: 1024 bytes
+ MTU: 1500 bytes Coverage Length: 856 bytes
- UDP-Lite will ship the 1536 bytes in two separate packets:
+ UDP-Lite will ship the 1536 bytes in two separate packets::
- Packet 1: 1024 payload + 8 byte header + 20 byte IP header = 1052 bytes
- Packet 2: 512 payload + 8 byte header + 20 byte IP header = 540 bytes
+ Packet 1: 1024 payload + 8 byte header + 20 byte IP header = 1052 bytes
+ Packet 2: 512 payload + 8 byte header + 20 byte IP header = 540 bytes
The coverage packet covers the UDP-Lite header and 848 bytes of the
payload in the first packet, the second packet is fully covered. Note
@@ -184,17 +191,17 @@
length in such cases.
As an example of what happens when one UDP-Lite packet is split into
- several tiny fragments, consider the following example.
+ several tiny fragments, consider the following example::
- Payload: 1024 bytes Send buffer size: 1024 bytes
- MTU: 300 bytes Coverage length: 575 bytes
+ Payload: 1024 bytes Send buffer size: 1024 bytes
+ MTU: 300 bytes Coverage length: 575 bytes
- +-+-----------+--------------+--------------+--------------+
- |8| 272 | 280 | 280 | 280 |
- +-+-----------+--------------+--------------+--------------+
- 280 560 840 1032
- ^
- *****checksum coverage*************
+ +-+-----------+--------------+--------------+--------------+
+ |8| 272 | 280 | 280 | 280 |
+ +-+-----------+--------------+--------------+--------------+
+ 280 560 840 1032
+ ^
+ *****checksum coverage*************
The UDP-Lite module generates one 1032 byte packet (1024 + 8 byte
header). According to the interface MTU, these are split into 4 IP
@@ -208,7 +215,7 @@
lengths), only the first fragment needs to be considered. When using
larger checksum coverage lengths, each eligible fragment needs to be
checksummed. Suppose we have a checksum coverage of 3062. The buffer
- of 3356 bytes will be split into the following fragments:
+ of 3356 bytes will be split into the following fragments::
Fragment 1: 1280 bytes carrying 1232 bytes of UDP-Lite data
Fragment 2: 1280 bytes carrying 1232 bytes of UDP-Lite data
@@ -222,57 +229,63 @@
performance over wireless (or generally noisy) links and thus smaller
coverage lengths are likely to be expected.
-
- V) UDP-LITE RUNTIME STATISTICS AND THEIR MEANING
+5. UDP-Lite Runtime Statistics and their Meaning
+================================================
Exceptional and error conditions are logged to syslog at the KERN_DEBUG
level. Live statistics about UDP-Lite are available in /proc/net/snmp
- and can (with newer versions of netstat) be viewed using
+ and can (with newer versions of netstat) be viewed using::
- netstat -svu
+ netstat -svu
This displays UDP-Lite statistics variables, whose meaning is as follows.
- InDatagrams: The total number of datagrams delivered to users.
+ ============ =====================================================
+ InDatagrams The total number of datagrams delivered to users.
- NoPorts: Number of packets received to an unknown port.
- These cases are counted separately (not as InErrors).
+ NoPorts Number of packets received to an unknown port.
+ These cases are counted separately (not as InErrors).
- InErrors: Number of erroneous UDP-Lite packets. Errors include:
- * internal socket queue receive errors
- * packet too short (less than 8 bytes or stated
- coverage length exceeds received length)
- * xfrm4_policy_check() returned with error
- * application has specified larger min. coverage
- length than that of incoming packet
- * checksum coverage violated
- * bad checksum
+ InErrors Number of erroneous UDP-Lite packets. Errors include:
- OutDatagrams: Total number of sent datagrams.
+ * internal socket queue receive errors
+ * packet too short (less than 8 bytes or stated
+ coverage length exceeds received length)
+ * xfrm4_policy_check() returned with error
+ * application has specified larger min. coverage
+ length than that of incoming packet
+ * checksum coverage violated
+ * bad checksum
- These statistics derive from the UDP MIB (RFC 2013).
+ OutDatagrams Total number of sent datagrams.
+ ============ =====================================================
+ These statistics derive from the UDP MIB (RFC 2013).
- VI) IPTABLES
+6. IPtables
+===========
There is packet match support for UDP-Lite as well as support for the LOG target.
- If you copy and paste the following line into /etc/protocols,
+ If you copy and paste the following line into /etc/protocols::
- udplite 136 UDP-Lite # UDP-Lite [RFC 3828]
+ udplite 136 UDP-Lite # UDP-Lite [RFC 3828]
- then
- iptables -A INPUT -p udplite -j LOG
+ then::
- will produce logging output to syslog. Dropping and rejecting packets also works.
+ iptables -A INPUT -p udplite -j LOG
+ will produce logging output to syslog. Dropping and rejecting packets also works.
- VII) MAINTAINER ADDRESS
+7. Maintainer Address
+=====================
The UDP-Lite patch was developed at
- University of Aberdeen
- Electronics Research Group
- Department of Engineering
- Fraser Noble Building
- Aberdeen AB24 3UE; UK
+
+ University of Aberdeen
+ Electronics Research Group
+ Department of Engineering
+ Fraser Noble Building
+ Aberdeen AB24 3UE; UK
+
The current maintainer is Gerrit Renker, <gerrit@erg.abdn.ac.uk>. Initial
code was developed by William Stanislaus, <william@erg.abdn.ac.uk>.
diff --git a/Documentation/networking/vrf.rst b/Documentation/networking/vrf.rst
new file mode 100644
index 000000000000..0dde145043bc
--- /dev/null
+++ b/Documentation/networking/vrf.rst
@@ -0,0 +1,451 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====================================
+Virtual Routing and Forwarding (VRF)
+====================================
+
+The VRF Device
+==============
+
+The VRF device combined with ip rules provides the ability to create virtual
+routing and forwarding domains (aka VRFs, VRF-lite to be specific) in the
+Linux network stack. One use case is the multi-tenancy problem where each
+tenant has their own unique routing tables and in the very least need
+different default gateways.
+
+Processes can be "VRF aware" by binding a socket to the VRF device. Packets
+through the socket then use the routing table associated with the VRF
+device. An important feature of the VRF device implementation is that it
+impacts only Layer 3 and above so L2 tools (e.g., LLDP) are not affected
+(ie., they do not need to be run in each VRF). The design also allows
+the use of higher priority ip rules (Policy Based Routing, PBR) to take
+precedence over the VRF device rules directing specific traffic as desired.
+
+In addition, VRF devices allow VRFs to be nested within namespaces. For
+example network namespaces provide separation of network interfaces at the
+device layer, VLANs on the interfaces within a namespace provide L2 separation
+and then VRF devices provide L3 separation.
+
+Design
+------
+A VRF device is created with an associated route table. Network interfaces
+are then enslaved to a VRF device::
+
+ +-----------------------------+
+ | vrf-blue | ===> route table 10
+ +-----------------------------+
+ | | |
+ +------+ +------+ +-------------+
+ | eth1 | | eth2 | ... | bond1 |
+ +------+ +------+ +-------------+
+ | |
+ +------+ +------+
+ | eth8 | | eth9 |
+ +------+ +------+
+
+Packets received on an enslaved device and are switched to the VRF device
+in the IPv4 and IPv6 processing stacks giving the impression that packets
+flow through the VRF device. Similarly on egress routing rules are used to
+send packets to the VRF device driver before getting sent out the actual
+interface. This allows tcpdump on a VRF device to capture all packets into
+and out of the VRF as a whole\ [1]_. Similarly, netfilter\ [2]_ and tc rules
+can be applied using the VRF device to specify rules that apply to the VRF
+domain as a whole.
+
+.. [1] Packets in the forwarded state do not flow through the device, so those
+ packets are not seen by tcpdump. Will revisit this limitation in a
+ future release.
+
+.. [2] Iptables on ingress supports PREROUTING with skb->dev set to the real
+ ingress device and both INPUT and PREROUTING rules with skb->dev set to
+ the VRF device. For egress POSTROUTING and OUTPUT rules can be written
+ using either the VRF device or real egress device.
+
+Setup
+-----
+1. VRF device is created with an association to a FIB table.
+ e.g,::
+
+ ip link add vrf-blue type vrf table 10
+ ip link set dev vrf-blue up
+
+2. An l3mdev FIB rule directs lookups to the table associated with the device.
+ A single l3mdev rule is sufficient for all VRFs. The VRF device adds the
+ l3mdev rule for IPv4 and IPv6 when the first device is created with a
+ default preference of 1000. Users may delete the rule if desired and add
+ with a different priority or install per-VRF rules.
+
+ Prior to the v4.8 kernel iif and oif rules are needed for each VRF device::
+
+ ip ru add oif vrf-blue table 10
+ ip ru add iif vrf-blue table 10
+
+3. Set the default route for the table (and hence default route for the VRF)::
+
+ ip route add table 10 unreachable default metric 4278198272
+
+ This high metric value ensures that the default unreachable route can
+ be overridden by a routing protocol suite. FRRouting interprets
+ kernel metrics as a combined admin distance (upper byte) and priority
+ (lower 3 bytes). Thus the above metric translates to [255/8192].
+
+4. Enslave L3 interfaces to a VRF device::
+
+ ip link set dev eth1 master vrf-blue
+
+ Local and connected routes for enslaved devices are automatically moved to
+ the table associated with VRF device. Any additional routes depending on
+ the enslaved device are dropped and will need to be reinserted to the VRF
+ FIB table following the enslavement.
+
+ The IPv6 sysctl option keep_addr_on_down can be enabled to keep IPv6 global
+ addresses as VRF enslavement changes::
+
+ sysctl -w net.ipv6.conf.all.keep_addr_on_down=1
+
+5. Additional VRF routes are added to associated table::
+
+ ip route add table 10 ...
+
+
+Applications
+------------
+Applications that are to work within a VRF need to bind their socket to the
+VRF device::
+
+ setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, dev, strlen(dev)+1);
+
+or to specify the output device using cmsg and IP_PKTINFO.
+
+By default the scope of the port bindings for unbound sockets is
+limited to the default VRF. That is, it will not be matched by packets
+arriving on interfaces enslaved to an l3mdev and processes may bind to
+the same port if they bind to an l3mdev.
+
+TCP & UDP services running in the default VRF context (ie., not bound
+to any VRF device) can work across all VRF domains by enabling the
+tcp_l3mdev_accept and udp_l3mdev_accept sysctl options::
+
+ sysctl -w net.ipv4.tcp_l3mdev_accept=1
+ sysctl -w net.ipv4.udp_l3mdev_accept=1
+
+These options are disabled by default so that a socket in a VRF is only
+selected for packets in that VRF. There is a similar option for RAW
+sockets, which is enabled by default for reasons of backwards compatibility.
+This is so as to specify the output device with cmsg and IP_PKTINFO, but
+using a socket not bound to the corresponding VRF. This allows e.g. older ping
+implementations to be run with specifying the device but without executing it
+in the VRF. This option can be disabled so that packets received in a VRF
+context are only handled by a raw socket bound to the VRF, and packets in the
+default VRF are only handled by a socket not bound to any VRF::
+
+ sysctl -w net.ipv4.raw_l3mdev_accept=0
+
+netfilter rules on the VRF device can be used to limit access to services
+running in the default VRF context as well.
+
+--------------------------------------------------------------------------------
+
+Using iproute2 for VRFs
+=======================
+iproute2 supports the vrf keyword as of v4.7. For backwards compatibility this
+section lists both commands where appropriate -- with the vrf keyword and the
+older form without it.
+
+1. Create a VRF
+
+ To instantiate a VRF device and associate it with a table::
+
+ $ ip link add dev NAME type vrf table ID
+
+ As of v4.8 the kernel supports the l3mdev FIB rule where a single rule
+ covers all VRFs. The l3mdev rule is created for IPv4 and IPv6 on first
+ device create.
+
+2. List VRFs
+
+ To list VRFs that have been created::
+
+ $ ip [-d] link show type vrf
+ NOTE: The -d option is needed to show the table id
+
+ For example::
+
+ $ ip -d link show type vrf
+ 11: mgmt: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
+ link/ether 72:b3:ba:91:e2:24 brd ff:ff:ff:ff:ff:ff promiscuity 0
+ vrf table 1 addrgenmode eui64
+ 12: red: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
+ link/ether b6:6f:6e:f6:da:73 brd ff:ff:ff:ff:ff:ff promiscuity 0
+ vrf table 10 addrgenmode eui64
+ 13: blue: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
+ link/ether 36:62:e8:7d:bb:8c brd ff:ff:ff:ff:ff:ff promiscuity 0
+ vrf table 66 addrgenmode eui64
+ 14: green: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
+ link/ether e6:28:b8:63:70:bb brd ff:ff:ff:ff:ff:ff promiscuity 0
+ vrf table 81 addrgenmode eui64
+
+
+ Or in brief output::
+
+ $ ip -br link show type vrf
+ mgmt UP 72:b3:ba:91:e2:24 <NOARP,MASTER,UP,LOWER_UP>
+ red UP b6:6f:6e:f6:da:73 <NOARP,MASTER,UP,LOWER_UP>
+ blue UP 36:62:e8:7d:bb:8c <NOARP,MASTER,UP,LOWER_UP>
+ green UP e6:28:b8:63:70:bb <NOARP,MASTER,UP,LOWER_UP>
+
+
+3. Assign a Network Interface to a VRF
+
+ Network interfaces are assigned to a VRF by enslaving the netdevice to a
+ VRF device::
+
+ $ ip link set dev NAME master NAME
+
+ On enslavement connected and local routes are automatically moved to the
+ table associated with the VRF device.
+
+ For example::
+
+ $ ip link set dev eth0 master mgmt
+
+
+4. Show Devices Assigned to a VRF
+
+ To show devices that have been assigned to a specific VRF add the master
+ option to the ip command::
+
+ $ ip link show vrf NAME
+ $ ip link show master NAME
+
+ For example::
+
+ $ ip link show vrf red
+ 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP mode DEFAULT group default qlen 1000
+ link/ether 02:00:00:00:02:02 brd ff:ff:ff:ff:ff:ff
+ 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP mode DEFAULT group default qlen 1000
+ link/ether 02:00:00:00:02:03 brd ff:ff:ff:ff:ff:ff
+ 7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop master red state DOWN mode DEFAULT group default qlen 1000
+ link/ether 02:00:00:00:02:06 brd ff:ff:ff:ff:ff:ff
+
+
+ Or using the brief output::
+
+ $ ip -br link show vrf red
+ eth1 UP 02:00:00:00:02:02 <BROADCAST,MULTICAST,UP,LOWER_UP>
+ eth2 UP 02:00:00:00:02:03 <BROADCAST,MULTICAST,UP,LOWER_UP>
+ eth5 DOWN 02:00:00:00:02:06 <BROADCAST,MULTICAST>
+
+
+5. Show Neighbor Entries for a VRF
+
+ To list neighbor entries associated with devices enslaved to a VRF device
+ add the master option to the ip command::
+
+ $ ip [-6] neigh show vrf NAME
+ $ ip [-6] neigh show master NAME
+
+ For example::
+
+ $ ip neigh show vrf red
+ 10.2.1.254 dev eth1 lladdr a6:d9:c7:4f:06:23 REACHABLE
+ 10.2.2.254 dev eth2 lladdr 5e:54:01:6a:ee:80 REACHABLE
+
+ $ ip -6 neigh show vrf red
+ 2002:1::64 dev eth1 lladdr a6:d9:c7:4f:06:23 REACHABLE
+
+
+6. Show Addresses for a VRF
+
+ To show addresses for interfaces associated with a VRF add the master
+ option to the ip command::
+
+ $ ip addr show vrf NAME
+ $ ip addr show master NAME
+
+ For example::
+
+ $ ip addr show vrf red
+ 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP group default qlen 1000
+ link/ether 02:00:00:00:02:02 brd ff:ff:ff:ff:ff:ff
+ inet 10.2.1.2/24 brd 10.2.1.255 scope global eth1
+ valid_lft forever preferred_lft forever
+ inet6 2002:1::2/120 scope global
+ valid_lft forever preferred_lft forever
+ inet6 fe80::ff:fe00:202/64 scope link
+ valid_lft forever preferred_lft forever
+ 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP group default qlen 1000
+ link/ether 02:00:00:00:02:03 brd ff:ff:ff:ff:ff:ff
+ inet 10.2.2.2/24 brd 10.2.2.255 scope global eth2
+ valid_lft forever preferred_lft forever
+ inet6 2002:2::2/120 scope global
+ valid_lft forever preferred_lft forever
+ inet6 fe80::ff:fe00:203/64 scope link
+ valid_lft forever preferred_lft forever
+ 7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop master red state DOWN group default qlen 1000
+ link/ether 02:00:00:00:02:06 brd ff:ff:ff:ff:ff:ff
+
+ Or in brief format::
+
+ $ ip -br addr show vrf red
+ eth1 UP 10.2.1.2/24 2002:1::2/120 fe80::ff:fe00:202/64
+ eth2 UP 10.2.2.2/24 2002:2::2/120 fe80::ff:fe00:203/64
+ eth5 DOWN
+
+
+7. Show Routes for a VRF
+
+ To show routes for a VRF use the ip command to display the table associated
+ with the VRF device::
+
+ $ ip [-6] route show vrf NAME
+ $ ip [-6] route show table ID
+
+ For example::
+
+ $ ip route show vrf red
+ unreachable default metric 4278198272
+ broadcast 10.2.1.0 dev eth1 proto kernel scope link src 10.2.1.2
+ 10.2.1.0/24 dev eth1 proto kernel scope link src 10.2.1.2
+ local 10.2.1.2 dev eth1 proto kernel scope host src 10.2.1.2
+ broadcast 10.2.1.255 dev eth1 proto kernel scope link src 10.2.1.2
+ broadcast 10.2.2.0 dev eth2 proto kernel scope link src 10.2.2.2
+ 10.2.2.0/24 dev eth2 proto kernel scope link src 10.2.2.2
+ local 10.2.2.2 dev eth2 proto kernel scope host src 10.2.2.2
+ broadcast 10.2.2.255 dev eth2 proto kernel scope link src 10.2.2.2
+
+ $ ip -6 route show vrf red
+ local 2002:1:: dev lo proto none metric 0 pref medium
+ local 2002:1::2 dev lo proto none metric 0 pref medium
+ 2002:1::/120 dev eth1 proto kernel metric 256 pref medium
+ local 2002:2:: dev lo proto none metric 0 pref medium
+ local 2002:2::2 dev lo proto none metric 0 pref medium
+ 2002:2::/120 dev eth2 proto kernel metric 256 pref medium
+ local fe80:: dev lo proto none metric 0 pref medium
+ local fe80:: dev lo proto none metric 0 pref medium
+ local fe80::ff:fe00:202 dev lo proto none metric 0 pref medium
+ local fe80::ff:fe00:203 dev lo proto none metric 0 pref medium
+ fe80::/64 dev eth1 proto kernel metric 256 pref medium
+ fe80::/64 dev eth2 proto kernel metric 256 pref medium
+ ff00::/8 dev red metric 256 pref medium
+ ff00::/8 dev eth1 metric 256 pref medium
+ ff00::/8 dev eth2 metric 256 pref medium
+ unreachable default dev lo metric 4278198272 error -101 pref medium
+
+8. Route Lookup for a VRF
+
+ A test route lookup can be done for a VRF::
+
+ $ ip [-6] route get vrf NAME ADDRESS
+ $ ip [-6] route get oif NAME ADDRESS
+
+ For example::
+
+ $ ip route get 10.2.1.40 vrf red
+ 10.2.1.40 dev eth1 table red src 10.2.1.2
+ cache
+
+ $ ip -6 route get 2002:1::32 vrf red
+ 2002:1::32 from :: dev eth1 table red proto kernel src 2002:1::2 metric 256 pref medium
+
+
+9. Removing Network Interface from a VRF
+
+ Network interfaces are removed from a VRF by breaking the enslavement to
+ the VRF device::
+
+ $ ip link set dev NAME nomaster
+
+ Connected routes are moved back to the default table and local entries are
+ moved to the local table.
+
+ For example::
+
+ $ ip link set dev eth0 nomaster
+
+--------------------------------------------------------------------------------
+
+Commands used in this example::
+
+ cat >> /etc/iproute2/rt_tables.d/vrf.conf <<EOF
+ 1 mgmt
+ 10 red
+ 66 blue
+ 81 green
+ EOF
+
+ function vrf_create
+ {
+ VRF=$1
+ TBID=$2
+
+ # create VRF device
+ ip link add ${VRF} type vrf table ${TBID}
+
+ if [ "${VRF}" != "mgmt" ]; then
+ ip route add table ${TBID} unreachable default metric 4278198272
+ fi
+ ip link set dev ${VRF} up
+ }
+
+ vrf_create mgmt 1
+ ip link set dev eth0 master mgmt
+
+ vrf_create red 10
+ ip link set dev eth1 master red
+ ip link set dev eth2 master red
+ ip link set dev eth5 master red
+
+ vrf_create blue 66
+ ip link set dev eth3 master blue
+
+ vrf_create green 81
+ ip link set dev eth4 master green
+
+
+ Interface addresses from /etc/network/interfaces:
+ auto eth0
+ iface eth0 inet static
+ address 10.0.0.2
+ netmask 255.255.255.0
+ gateway 10.0.0.254
+
+ iface eth0 inet6 static
+ address 2000:1::2
+ netmask 120
+
+ auto eth1
+ iface eth1 inet static
+ address 10.2.1.2
+ netmask 255.255.255.0
+
+ iface eth1 inet6 static
+ address 2002:1::2
+ netmask 120
+
+ auto eth2
+ iface eth2 inet static
+ address 10.2.2.2
+ netmask 255.255.255.0
+
+ iface eth2 inet6 static
+ address 2002:2::2
+ netmask 120
+
+ auto eth3
+ iface eth3 inet static
+ address 10.2.3.2
+ netmask 255.255.255.0
+
+ iface eth3 inet6 static
+ address 2002:3::2
+ netmask 120
+
+ auto eth4
+ iface eth4 inet static
+ address 10.2.4.2
+ netmask 255.255.255.0
+
+ iface eth4 inet6 static
+ address 2002:4::2
+ netmask 120
diff --git a/Documentation/networking/vrf.txt b/Documentation/networking/vrf.txt
deleted file mode 100644
index a5f103b083a0..000000000000
--- a/Documentation/networking/vrf.txt
+++ /dev/null
@@ -1,418 +0,0 @@
-Virtual Routing and Forwarding (VRF)
-====================================
-The VRF device combined with ip rules provides the ability to create virtual
-routing and forwarding domains (aka VRFs, VRF-lite to be specific) in the
-Linux network stack. One use case is the multi-tenancy problem where each
-tenant has their own unique routing tables and in the very least need
-different default gateways.
-
-Processes can be "VRF aware" by binding a socket to the VRF device. Packets
-through the socket then use the routing table associated with the VRF
-device. An important feature of the VRF device implementation is that it
-impacts only Layer 3 and above so L2 tools (e.g., LLDP) are not affected
-(ie., they do not need to be run in each VRF). The design also allows
-the use of higher priority ip rules (Policy Based Routing, PBR) to take
-precedence over the VRF device rules directing specific traffic as desired.
-
-In addition, VRF devices allow VRFs to be nested within namespaces. For
-example network namespaces provide separation of network interfaces at the
-device layer, VLANs on the interfaces within a namespace provide L2 separation
-and then VRF devices provide L3 separation.
-
-Design
-------
-A VRF device is created with an associated route table. Network interfaces
-are then enslaved to a VRF device:
-
- +-----------------------------+
- | vrf-blue | ===> route table 10
- +-----------------------------+
- | | |
- +------+ +------+ +-------------+
- | eth1 | | eth2 | ... | bond1 |
- +------+ +------+ +-------------+
- | |
- +------+ +------+
- | eth8 | | eth9 |
- +------+ +------+
-
-Packets received on an enslaved device and are switched to the VRF device
-in the IPv4 and IPv6 processing stacks giving the impression that packets
-flow through the VRF device. Similarly on egress routing rules are used to
-send packets to the VRF device driver before getting sent out the actual
-interface. This allows tcpdump on a VRF device to capture all packets into
-and out of the VRF as a whole.[1] Similarly, netfilter[2] and tc rules can be
-applied using the VRF device to specify rules that apply to the VRF domain
-as a whole.
-
-[1] Packets in the forwarded state do not flow through the device, so those
- packets are not seen by tcpdump. Will revisit this limitation in a
- future release.
-
-[2] Iptables on ingress supports PREROUTING with skb->dev set to the real
- ingress device and both INPUT and PREROUTING rules with skb->dev set to
- the VRF device. For egress POSTROUTING and OUTPUT rules can be written
- using either the VRF device or real egress device.
-
-Setup
------
-1. VRF device is created with an association to a FIB table.
- e.g, ip link add vrf-blue type vrf table 10
- ip link set dev vrf-blue up
-
-2. An l3mdev FIB rule directs lookups to the table associated with the device.
- A single l3mdev rule is sufficient for all VRFs. The VRF device adds the
- l3mdev rule for IPv4 and IPv6 when the first device is created with a
- default preference of 1000. Users may delete the rule if desired and add
- with a different priority or install per-VRF rules.
-
- Prior to the v4.8 kernel iif and oif rules are needed for each VRF device:
- ip ru add oif vrf-blue table 10
- ip ru add iif vrf-blue table 10
-
-3. Set the default route for the table (and hence default route for the VRF).
- ip route add table 10 unreachable default metric 4278198272
-
- This high metric value ensures that the default unreachable route can
- be overridden by a routing protocol suite. FRRouting interprets
- kernel metrics as a combined admin distance (upper byte) and priority
- (lower 3 bytes). Thus the above metric translates to [255/8192].
-
-4. Enslave L3 interfaces to a VRF device.
- ip link set dev eth1 master vrf-blue
-
- Local and connected routes for enslaved devices are automatically moved to
- the table associated with VRF device. Any additional routes depending on
- the enslaved device are dropped and will need to be reinserted to the VRF
- FIB table following the enslavement.
-
- The IPv6 sysctl option keep_addr_on_down can be enabled to keep IPv6 global
- addresses as VRF enslavement changes.
- sysctl -w net.ipv6.conf.all.keep_addr_on_down=1
-
-5. Additional VRF routes are added to associated table.
- ip route add table 10 ...
-
-
-Applications
-------------
-Applications that are to work within a VRF need to bind their socket to the
-VRF device:
-
- setsockopt(sd, SOL_SOCKET, SO_BINDTODEVICE, dev, strlen(dev)+1);
-
-or to specify the output device using cmsg and IP_PKTINFO.
-
-By default the scope of the port bindings for unbound sockets is
-limited to the default VRF. That is, it will not be matched by packets
-arriving on interfaces enslaved to an l3mdev and processes may bind to
-the same port if they bind to an l3mdev.
-
-TCP & UDP services running in the default VRF context (ie., not bound
-to any VRF device) can work across all VRF domains by enabling the
-tcp_l3mdev_accept and udp_l3mdev_accept sysctl options:
-
- sysctl -w net.ipv4.tcp_l3mdev_accept=1
- sysctl -w net.ipv4.udp_l3mdev_accept=1
-
-These options are disabled by default so that a socket in a VRF is only
-selected for packets in that VRF. There is a similar option for RAW
-sockets, which is enabled by default for reasons of backwards compatibility.
-This is so as to specify the output device with cmsg and IP_PKTINFO, but
-using a socket not bound to the corresponding VRF. This allows e.g. older ping
-implementations to be run with specifying the device but without executing it
-in the VRF. This option can be disabled so that packets received in a VRF
-context are only handled by a raw socket bound to the VRF, and packets in the
-default VRF are only handled by a socket not bound to any VRF:
-
- sysctl -w net.ipv4.raw_l3mdev_accept=0
-
-netfilter rules on the VRF device can be used to limit access to services
-running in the default VRF context as well.
-
-################################################################################
-
-Using iproute2 for VRFs
-=======================
-iproute2 supports the vrf keyword as of v4.7. For backwards compatibility this
-section lists both commands where appropriate -- with the vrf keyword and the
-older form without it.
-
-1. Create a VRF
-
- To instantiate a VRF device and associate it with a table:
- $ ip link add dev NAME type vrf table ID
-
- As of v4.8 the kernel supports the l3mdev FIB rule where a single rule
- covers all VRFs. The l3mdev rule is created for IPv4 and IPv6 on first
- device create.
-
-2. List VRFs
-
- To list VRFs that have been created:
- $ ip [-d] link show type vrf
- NOTE: The -d option is needed to show the table id
-
- For example:
- $ ip -d link show type vrf
- 11: mgmt: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
- link/ether 72:b3:ba:91:e2:24 brd ff:ff:ff:ff:ff:ff promiscuity 0
- vrf table 1 addrgenmode eui64
- 12: red: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
- link/ether b6:6f:6e:f6:da:73 brd ff:ff:ff:ff:ff:ff promiscuity 0
- vrf table 10 addrgenmode eui64
- 13: blue: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
- link/ether 36:62:e8:7d:bb:8c brd ff:ff:ff:ff:ff:ff promiscuity 0
- vrf table 66 addrgenmode eui64
- 14: green: <NOARP,MASTER,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT group default qlen 1000
- link/ether e6:28:b8:63:70:bb brd ff:ff:ff:ff:ff:ff promiscuity 0
- vrf table 81 addrgenmode eui64
-
-
- Or in brief output:
-
- $ ip -br link show type vrf
- mgmt UP 72:b3:ba:91:e2:24 <NOARP,MASTER,UP,LOWER_UP>
- red UP b6:6f:6e:f6:da:73 <NOARP,MASTER,UP,LOWER_UP>
- blue UP 36:62:e8:7d:bb:8c <NOARP,MASTER,UP,LOWER_UP>
- green UP e6:28:b8:63:70:bb <NOARP,MASTER,UP,LOWER_UP>
-
-
-3. Assign a Network Interface to a VRF
-
- Network interfaces are assigned to a VRF by enslaving the netdevice to a
- VRF device:
- $ ip link set dev NAME master NAME
-
- On enslavement connected and local routes are automatically moved to the
- table associated with the VRF device.
-
- For example:
- $ ip link set dev eth0 master mgmt
-
-
-4. Show Devices Assigned to a VRF
-
- To show devices that have been assigned to a specific VRF add the master
- option to the ip command:
- $ ip link show vrf NAME
- $ ip link show master NAME
-
- For example:
- $ ip link show vrf red
- 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP mode DEFAULT group default qlen 1000
- link/ether 02:00:00:00:02:02 brd ff:ff:ff:ff:ff:ff
- 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP mode DEFAULT group default qlen 1000
- link/ether 02:00:00:00:02:03 brd ff:ff:ff:ff:ff:ff
- 7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop master red state DOWN mode DEFAULT group default qlen 1000
- link/ether 02:00:00:00:02:06 brd ff:ff:ff:ff:ff:ff
-
-
- Or using the brief output:
- $ ip -br link show vrf red
- eth1 UP 02:00:00:00:02:02 <BROADCAST,MULTICAST,UP,LOWER_UP>
- eth2 UP 02:00:00:00:02:03 <BROADCAST,MULTICAST,UP,LOWER_UP>
- eth5 DOWN 02:00:00:00:02:06 <BROADCAST,MULTICAST>
-
-
-5. Show Neighbor Entries for a VRF
-
- To list neighbor entries associated with devices enslaved to a VRF device
- add the master option to the ip command:
- $ ip [-6] neigh show vrf NAME
- $ ip [-6] neigh show master NAME
-
- For example:
- $ ip neigh show vrf red
- 10.2.1.254 dev eth1 lladdr a6:d9:c7:4f:06:23 REACHABLE
- 10.2.2.254 dev eth2 lladdr 5e:54:01:6a:ee:80 REACHABLE
-
- $ ip -6 neigh show vrf red
- 2002:1::64 dev eth1 lladdr a6:d9:c7:4f:06:23 REACHABLE
-
-
-6. Show Addresses for a VRF
-
- To show addresses for interfaces associated with a VRF add the master
- option to the ip command:
- $ ip addr show vrf NAME
- $ ip addr show master NAME
-
- For example:
- $ ip addr show vrf red
- 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP group default qlen 1000
- link/ether 02:00:00:00:02:02 brd ff:ff:ff:ff:ff:ff
- inet 10.2.1.2/24 brd 10.2.1.255 scope global eth1
- valid_lft forever preferred_lft forever
- inet6 2002:1::2/120 scope global
- valid_lft forever preferred_lft forever
- inet6 fe80::ff:fe00:202/64 scope link
- valid_lft forever preferred_lft forever
- 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master red state UP group default qlen 1000
- link/ether 02:00:00:00:02:03 brd ff:ff:ff:ff:ff:ff
- inet 10.2.2.2/24 brd 10.2.2.255 scope global eth2
- valid_lft forever preferred_lft forever
- inet6 2002:2::2/120 scope global
- valid_lft forever preferred_lft forever
- inet6 fe80::ff:fe00:203/64 scope link
- valid_lft forever preferred_lft forever
- 7: eth5: <BROADCAST,MULTICAST> mtu 1500 qdisc noop master red state DOWN group default qlen 1000
- link/ether 02:00:00:00:02:06 brd ff:ff:ff:ff:ff:ff
-
- Or in brief format:
- $ ip -br addr show vrf red
- eth1 UP 10.2.1.2/24 2002:1::2/120 fe80::ff:fe00:202/64
- eth2 UP 10.2.2.2/24 2002:2::2/120 fe80::ff:fe00:203/64
- eth5 DOWN
-
-
-7. Show Routes for a VRF
-
- To show routes for a VRF use the ip command to display the table associated
- with the VRF device:
- $ ip [-6] route show vrf NAME
- $ ip [-6] route show table ID
-
- For example:
- $ ip route show vrf red
- unreachable default metric 4278198272
- broadcast 10.2.1.0 dev eth1 proto kernel scope link src 10.2.1.2
- 10.2.1.0/24 dev eth1 proto kernel scope link src 10.2.1.2
- local 10.2.1.2 dev eth1 proto kernel scope host src 10.2.1.2
- broadcast 10.2.1.255 dev eth1 proto kernel scope link src 10.2.1.2
- broadcast 10.2.2.0 dev eth2 proto kernel scope link src 10.2.2.2
- 10.2.2.0/24 dev eth2 proto kernel scope link src 10.2.2.2
- local 10.2.2.2 dev eth2 proto kernel scope host src 10.2.2.2
- broadcast 10.2.2.255 dev eth2 proto kernel scope link src 10.2.2.2
-
- $ ip -6 route show vrf red
- local 2002:1:: dev lo proto none metric 0 pref medium
- local 2002:1::2 dev lo proto none metric 0 pref medium
- 2002:1::/120 dev eth1 proto kernel metric 256 pref medium
- local 2002:2:: dev lo proto none metric 0 pref medium
- local 2002:2::2 dev lo proto none metric 0 pref medium
- 2002:2::/120 dev eth2 proto kernel metric 256 pref medium
- local fe80:: dev lo proto none metric 0 pref medium
- local fe80:: dev lo proto none metric 0 pref medium
- local fe80::ff:fe00:202 dev lo proto none metric 0 pref medium
- local fe80::ff:fe00:203 dev lo proto none metric 0 pref medium
- fe80::/64 dev eth1 proto kernel metric 256 pref medium
- fe80::/64 dev eth2 proto kernel metric 256 pref medium
- ff00::/8 dev red metric 256 pref medium
- ff00::/8 dev eth1 metric 256 pref medium
- ff00::/8 dev eth2 metric 256 pref medium
- unreachable default dev lo metric 4278198272 error -101 pref medium
-
-8. Route Lookup for a VRF
-
- A test route lookup can be done for a VRF:
- $ ip [-6] route get vrf NAME ADDRESS
- $ ip [-6] route get oif NAME ADDRESS
-
- For example:
- $ ip route get 10.2.1.40 vrf red
- 10.2.1.40 dev eth1 table red src 10.2.1.2
- cache
-
- $ ip -6 route get 2002:1::32 vrf red
- 2002:1::32 from :: dev eth1 table red proto kernel src 2002:1::2 metric 256 pref medium
-
-
-9. Removing Network Interface from a VRF
-
- Network interfaces are removed from a VRF by breaking the enslavement to
- the VRF device:
- $ ip link set dev NAME nomaster
-
- Connected routes are moved back to the default table and local entries are
- moved to the local table.
-
- For example:
- $ ip link set dev eth0 nomaster
-
---------------------------------------------------------------------------------
-
-Commands used in this example:
-
-cat >> /etc/iproute2/rt_tables.d/vrf.conf <<EOF
-1 mgmt
-10 red
-66 blue
-81 green
-EOF
-
-function vrf_create
-{
- VRF=$1
- TBID=$2
-
- # create VRF device
- ip link add ${VRF} type vrf table ${TBID}
-
- if [ "${VRF}" != "mgmt" ]; then
- ip route add table ${TBID} unreachable default metric 4278198272
- fi
- ip link set dev ${VRF} up
-}
-
-vrf_create mgmt 1
-ip link set dev eth0 master mgmt
-
-vrf_create red 10
-ip link set dev eth1 master red
-ip link set dev eth2 master red
-ip link set dev eth5 master red
-
-vrf_create blue 66
-ip link set dev eth3 master blue
-
-vrf_create green 81
-ip link set dev eth4 master green
-
-
-Interface addresses from /etc/network/interfaces:
-auto eth0
-iface eth0 inet static
- address 10.0.0.2
- netmask 255.255.255.0
- gateway 10.0.0.254
-
-iface eth0 inet6 static
- address 2000:1::2
- netmask 120
-
-auto eth1
-iface eth1 inet static
- address 10.2.1.2
- netmask 255.255.255.0
-
-iface eth1 inet6 static
- address 2002:1::2
- netmask 120
-
-auto eth2
-iface eth2 inet static
- address 10.2.2.2
- netmask 255.255.255.0
-
-iface eth2 inet6 static
- address 2002:2::2
- netmask 120
-
-auto eth3
-iface eth3 inet static
- address 10.2.3.2
- netmask 255.255.255.0
-
-iface eth3 inet6 static
- address 2002:3::2
- netmask 120
-
-auto eth4
-iface eth4 inet static
- address 10.2.4.2
- netmask 255.255.255.0
-
-iface eth4 inet6 static
- address 2002:4::2
- netmask 120
diff --git a/Documentation/networking/vxlan.txt b/Documentation/networking/vxlan.rst
index c28f4989c3f0..ce239fa01848 100644
--- a/Documentation/networking/vxlan.txt
+++ b/Documentation/networking/vxlan.rst
@@ -1,3 +1,6 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+======================================================
Virtual eXtensible Local Area Networking documentation
======================================================
@@ -21,8 +24,9 @@ neighbors GRE and VLAN. Configuring VXLAN requires the version of
iproute2 that matches the kernel release where VXLAN was first merged
upstream.
-1. Create vxlan device
- # ip link add vxlan0 type vxlan id 42 group 239.1.1.1 dev eth1 dstport 4789
+1. Create vxlan device::
+
+ # ip link add vxlan0 type vxlan id 42 group 239.1.1.1 dev eth1 dstport 4789
This creates a new device named vxlan0. The device uses the multicast
group 239.1.1.1 over eth1 to handle traffic for which there is no
@@ -32,20 +36,25 @@ pre-dates the IANA's selection of a standard destination port number
and uses the Linux-selected value by default to maintain backwards
compatibility.
-2. Delete vxlan device
- # ip link delete vxlan0
+2. Delete vxlan device::
+
+ # ip link delete vxlan0
-3. Show vxlan info
- # ip -d link show vxlan0
+3. Show vxlan info::
+
+ # ip -d link show vxlan0
It is possible to create, destroy and display the vxlan
forwarding table using the new bridge command.
-1. Create forwarding table entry
- # bridge fdb add to 00:17:42:8a:b4:05 dst 192.19.0.2 dev vxlan0
+1. Create forwarding table entry::
+
+ # bridge fdb add to 00:17:42:8a:b4:05 dst 192.19.0.2 dev vxlan0
+
+2. Delete forwarding table entry::
+
+ # bridge fdb delete 00:17:42:8a:b4:05 dev vxlan0
-2. Delete forwarding table entry
- # bridge fdb delete 00:17:42:8a:b4:05 dev vxlan0
+3. Show forwarding table::
-3. Show forwarding table
- # bridge fdb show dev vxlan0
+ # bridge fdb show dev vxlan0
diff --git a/Documentation/networking/x25-iface.txt b/Documentation/networking/x25-iface.rst
index 7f213b556e85..df401891dce6 100644
--- a/Documentation/networking/x25-iface.txt
+++ b/Documentation/networking/x25-iface.rst
@@ -1,4 +1,10 @@
- X.25 Device Driver Interface 1.1
+.. SPDX-License-Identifier: GPL-2.0
+
+============================-
+X.25 Device Driver Interface
+============================-
+
+Version 1.1
Jonathan Naylor 26.12.96
@@ -99,7 +105,7 @@ reduced by the following measures or a combination thereof:
(1) Drivers for kernel versions 2.4.x and above should always check the
return value of netif_rx(). If it returns NET_RX_DROP, the
driver's LAPB protocol must not confirm reception of the frame
- to the peer.
+ to the peer.
This will reliably suppress packet loss. The LAPB protocol will
automatically cause the peer to re-transmit the dropped packet
later.
diff --git a/Documentation/networking/x25.txt b/Documentation/networking/x25.rst
index c91c6d7159ff..00e45d384ba0 100644
--- a/Documentation/networking/x25.txt
+++ b/Documentation/networking/x25.rst
@@ -1,4 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================
Linux X.25 Project
+==================
As my third year dissertation at University I have taken it upon myself to
write an X.25 implementation for Linux. My aim is to provide a complete X.25
diff --git a/Documentation/networking/xfrm_device.txt b/Documentation/networking/xfrm_device.rst
index a1c904dc70dc..da1073acda96 100644
--- a/Documentation/networking/xfrm_device.txt
+++ b/Documentation/networking/xfrm_device.rst
@@ -1,7 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
===============================================
XFRM device - offloading the IPsec computations
===============================================
+
Shannon Nelson <shannon.nelson@oracle.com>
@@ -19,7 +21,7 @@ hardware offload.
Userland access to the offload is typically through a system such as
libreswan or KAME/raccoon, but the iproute2 'ip xfrm' command set can
be handy when experimenting. An example command might look something
-like this:
+like this::
ip x s add proto esp dst 14.0.0.70 src 14.0.0.52 spi 0x07 mode transport \
reqid 0x07 replay-window 32 \
@@ -34,15 +36,17 @@ Yes, that's ugly, but that's what shell scripts and/or libreswan are for.
Callbacks to implement
======================
-/* from include/linux/netdevice.h */
-struct xfrmdev_ops {
+::
+
+ /* from include/linux/netdevice.h */
+ struct xfrmdev_ops {
int (*xdo_dev_state_add) (struct xfrm_state *x);
void (*xdo_dev_state_delete) (struct xfrm_state *x);
void (*xdo_dev_state_free) (struct xfrm_state *x);
bool (*xdo_dev_offload_ok) (struct sk_buff *skb,
struct xfrm_state *x);
void (*xdo_dev_state_advance_esn) (struct xfrm_state *x);
-};
+ };
The NIC driver offering ipsec offload will need to implement these
callbacks to make the offload available to the network stack's
@@ -58,6 +62,8 @@ At probe time and before the call to register_netdev(), the driver should
set up local data structures and XFRM callbacks, and set the feature bits.
The XFRM code's listener will finish the setup on NETDEV_REGISTER.
+::
+
adapter->netdev->xfrmdev_ops = &ixgbe_xfrmdev_ops;
adapter->netdev->features |= NETIF_F_HW_ESP;
adapter->netdev->hw_enc_features |= NETIF_F_HW_ESP;
@@ -65,16 +71,20 @@ The XFRM code's listener will finish the setup on NETDEV_REGISTER.
When new SAs are set up with a request for "offload" feature, the
driver's xdo_dev_state_add() will be given the new SA to be offloaded
and an indication of whether it is for Rx or Tx. The driver should
+
- verify the algorithm is supported for offloads
- store the SA information (key, salt, target-ip, protocol, etc)
- enable the HW offload of the SA
- return status value:
+
+ =========== ===================================
0 success
-EOPNETSUPP offload not supported, try SW IPsec
other fail the request
+ =========== ===================================
The driver can also set an offload_handle in the SA, an opaque void pointer
-that can be used to convey context into the fast-path offload requests.
+that can be used to convey context into the fast-path offload requests::
xs->xso.offload_handle = context;
@@ -88,7 +98,7 @@ return true of false to signify its support.
When ready to send, the driver needs to inspect the Tx packet for the
offload information, including the opaque context, and set up the packet
-send accordingly.
+send accordingly::
xs = xfrm_input_state(skb);
context = xs->xso.offload_handle;
@@ -105,18 +115,21 @@ the packet's skb. At this point the data should be decrypted but the
IPsec headers are still in the packet data; they are removed later up
the stack in xfrm_input().
- find and hold the SA that was used to the Rx skb
+ find and hold the SA that was used to the Rx skb::
+
get spi, protocol, and destination IP from packet headers
xs = find xs from (spi, protocol, dest_IP)
xfrm_state_hold(xs);
- store the state information into the skb
+ store the state information into the skb::
+
sp = secpath_set(skb);
if (!sp) return;
sp->xvec[sp->len++] = xs;
sp->olen++;
- indicate the success and/or error status of the offload
+ indicate the success and/or error status of the offload::
+
xo = xfrm_offload(skb);
xo->flags = CRYPTO_DONE;
xo->status = crypto_status;
@@ -136,5 +149,3 @@ hardware needs.
As a netdev is set to DOWN the XFRM stack's netdev listener will call
xdo_dev_state_delete() and xdo_dev_state_free() on any remaining offloaded
states.
-
-
diff --git a/Documentation/networking/xfrm_proc.txt b/Documentation/networking/xfrm_proc.rst
index 2eae619ab67b..0a771c5a7399 100644
--- a/Documentation/networking/xfrm_proc.txt
+++ b/Documentation/networking/xfrm_proc.rst
@@ -1,5 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==================================
XFRM proc - /proc/net/xfrm_* files
==================================
+
Masahide NAKAMURA <nakam@linux-ipv6.org>
@@ -14,42 +18,58 @@ as part of the linux private MIB. These counters can be viewed in
Inbound errors
~~~~~~~~~~~~~~
+
XfrmInError:
All errors which is not matched others
+
XfrmInBufferError:
No buffer is left
+
XfrmInHdrError:
Header error
+
XfrmInNoStates:
No state is found
i.e. Either inbound SPI, address, or IPsec protocol at SA is wrong
+
XfrmInStateProtoError:
Transformation protocol specific error
e.g. SA key is wrong
+
XfrmInStateModeError:
Transformation mode specific error
+
XfrmInStateSeqError:
Sequence error
i.e. Sequence number is out of window
+
XfrmInStateExpired:
State is expired
+
XfrmInStateMismatch:
State has mismatch option
e.g. UDP encapsulation type is mismatch
+
XfrmInStateInvalid:
State is invalid
+
XfrmInTmplMismatch:
No matching template for states
e.g. Inbound SAs are correct but SP rule is wrong
+
XfrmInNoPols:
No policy is found for states
e.g. Inbound SAs are correct but no SP is found
+
XfrmInPolBlock:
Policy discards
+
XfrmInPolError:
Policy error
+
XfrmAcquireError:
State hasn't been fully acquired before use
+
XfrmFwdHdrError:
Forward routing of a packet is not allowed
@@ -57,26 +77,37 @@ Outbound errors
~~~~~~~~~~~~~~~
XfrmOutError:
All errors which is not matched others
+
XfrmOutBundleGenError:
Bundle generation error
+
XfrmOutBundleCheckError:
Bundle check error
+
XfrmOutNoStates:
No state is found
+
XfrmOutStateProtoError:
Transformation protocol specific error
+
XfrmOutStateModeError:
Transformation mode specific error
+
XfrmOutStateSeqError:
Sequence error
i.e. Sequence number overflow
+
XfrmOutStateExpired:
State is expired
+
XfrmOutPolBlock:
Policy discards
+
XfrmOutPolDead:
Policy is dead
+
XfrmOutPolError:
Policy error
+
XfrmOutStateInvalid:
State is invalid, perhaps expired
diff --git a/Documentation/networking/xfrm_sync.txt b/Documentation/networking/xfrm_sync.rst
index 8d88e0f2ec49..6246503ceab2 100644
--- a/Documentation/networking/xfrm_sync.txt
+++ b/Documentation/networking/xfrm_sync.rst
@@ -1,3 +1,8 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+====
+XFRM
+====
The sync patches work is based on initial patches from
Krisztian <hidden@balabit.hu> and others and additional patches
@@ -40,30 +45,32 @@ The netlink message types are:
XFRM_MSG_NEWAE and XFRM_MSG_GETAE.
A XFRM_MSG_GETAE does not have TLVs.
+
A XFRM_MSG_NEWAE will have at least two TLVs (as is
discussed further below).
-aevent_id structure looks like:
+aevent_id structure looks like::
struct xfrm_aevent_id {
- struct xfrm_usersa_id sa_id;
- xfrm_address_t saddr;
- __u32 flags;
- __u32 reqid;
+ struct xfrm_usersa_id sa_id;
+ xfrm_address_t saddr;
+ __u32 flags;
+ __u32 reqid;
};
The unique SA is identified by the combination of xfrm_usersa_id,
reqid and saddr.
flags are used to indicate different things. The possible
-flags are:
- XFRM_AE_RTHR=1, /* replay threshold*/
- XFRM_AE_RVAL=2, /* replay value */
- XFRM_AE_LVAL=4, /* lifetime value */
- XFRM_AE_ETHR=8, /* expiry timer threshold */
- XFRM_AE_CR=16, /* Event cause is replay update */
- XFRM_AE_CE=32, /* Event cause is timer expiry */
- XFRM_AE_CU=64, /* Event cause is policy update */
+flags are::
+
+ XFRM_AE_RTHR=1, /* replay threshold*/
+ XFRM_AE_RVAL=2, /* replay value */
+ XFRM_AE_LVAL=4, /* lifetime value */
+ XFRM_AE_ETHR=8, /* expiry timer threshold */
+ XFRM_AE_CR=16, /* Event cause is replay update */
+ XFRM_AE_CE=32, /* Event cause is timer expiry */
+ XFRM_AE_CU=64, /* Event cause is policy update */
How these flags are used is dependent on the direction of the
message (kernel<->user) as well the cause (config, query or event).
@@ -80,23 +87,27 @@ to get notified of these events.
-----------------------------------------
a) byte value (XFRMA_LTIME_VAL)
+
This TLV carries the running/current counter for byte lifetime since
last event.
b)replay value (XFRMA_REPLAY_VAL)
+
This TLV carries the running/current counter for replay sequence since
last event.
c)replay threshold (XFRMA_REPLAY_THRESH)
+
This TLV carries the threshold being used by the kernel to trigger events
when the replay sequence is exceeded.
d) expiry timer (XFRMA_ETIMER_THRESH)
+
This is a timer value in milliseconds which is used as the nagle
value to rate limit the events.
3) Default configurations for the parameters:
-----------------------------------------------
+---------------------------------------------
By default these events should be turned off unless there is
at least one listener registered to listen to the multicast
@@ -108,6 +119,7 @@ we also provide default threshold values for these different parameters
in case they are not specified.
the two sysctls/proc entries are:
+
a) /proc/sys/net/core/sysctl_xfrm_aevent_etime
used to provide default values for the XFRMA_ETIMER_THRESH in incremental
units of time of 100ms. The default is 10 (1 second)
@@ -120,37 +132,45 @@ in incremental packet count. The default is two packets.
----------------
a) XFRM_MSG_GETAE issued by user-->kernel.
-XFRM_MSG_GETAE does not carry any TLVs.
+ XFRM_MSG_GETAE does not carry any TLVs.
+
The response is a XFRM_MSG_NEWAE which is formatted based on what
XFRM_MSG_GETAE queried for.
+
The response will always have XFRMA_LTIME_VAL and XFRMA_REPLAY_VAL TLVs.
-*if XFRM_AE_RTHR flag is set, then XFRMA_REPLAY_THRESH is also retrieved
-*if XFRM_AE_ETHR flag is set, then XFRMA_ETIMER_THRESH is also retrieved
+* if XFRM_AE_RTHR flag is set, then XFRMA_REPLAY_THRESH is also retrieved
+* if XFRM_AE_ETHR flag is set, then XFRMA_ETIMER_THRESH is also retrieved
b) XFRM_MSG_NEWAE is issued by either user space to configure
-or kernel to announce events or respond to a XFRM_MSG_GETAE.
+ or kernel to announce events or respond to a XFRM_MSG_GETAE.
i) user --> kernel to configure a specific SA.
+
any of the values or threshold parameters can be updated by passing the
appropriate TLV.
+
A response is issued back to the sender in user space to indicate success
or failure.
+
In the case of success, additionally an event with
XFRM_MSG_NEWAE is also issued to any listeners as described in iii).
ii) kernel->user direction as a response to XFRM_MSG_GETAE
+
The response will always have XFRMA_LTIME_VAL and XFRMA_REPLAY_VAL TLVs.
+
The threshold TLVs will be included if explicitly requested in
the XFRM_MSG_GETAE message.
iii) kernel->user to report as event if someone sets any values or
-thresholds for an SA using XFRM_MSG_NEWAE (as described in #i above).
-In such a case XFRM_AE_CU flag is set to inform the user that
-the change happened as a result of an update.
-The message will always have XFRMA_LTIME_VAL and XFRMA_REPLAY_VAL TLVs.
+ thresholds for an SA using XFRM_MSG_NEWAE (as described in #i above).
+ In such a case XFRM_AE_CU flag is set to inform the user that
+ the change happened as a result of an update.
+ The message will always have XFRMA_LTIME_VAL and XFRMA_REPLAY_VAL TLVs.
iv) kernel->user to report event when replay threshold or a timeout
-is exceeded.
+ is exceeded.
+
In such a case either XFRM_AE_CR (replay exceeded) or XFRM_AE_CE (timeout
happened) is set to inform the user what happened.
Note the two flags are mutually exclusive.
diff --git a/Documentation/networking/xfrm_sysctl.txt b/Documentation/networking/xfrm_sysctl.rst
index 5bbd16792fe1..47b9bbdd0179 100644
--- a/Documentation/networking/xfrm_sysctl.txt
+++ b/Documentation/networking/xfrm_sysctl.rst
@@ -1,4 +1,11 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+XFRM Syscall
+============
+
/proc/sys/net/core/xfrm_* Variables:
+====================================
xfrm_acq_expires - INTEGER
default 30 - hard timeout in seconds for acquire requests
diff --git a/Documentation/networking/z8530drv.txt b/Documentation/networking/z8530drv.rst
index 2206abbc3e1b..d2942760f167 100644
--- a/Documentation/networking/z8530drv.txt
+++ b/Documentation/networking/z8530drv.rst
@@ -1,33 +1,30 @@
+.. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
+
+=========================================================
+SCC.C - Linux driver for Z8530 based HDLC cards for AX.25
+=========================================================
+
+
This is a subset of the documentation. To use this driver you MUST have the
full package from:
Internet:
-=========
-1. ftp://ftp.ccac.rwth-aachen.de/pub/jr/z8530drv-utils_3.0-3.tar.gz
+ 1. ftp://ftp.ccac.rwth-aachen.de/pub/jr/z8530drv-utils_3.0-3.tar.gz
-2. ftp://ftp.pspt.fi/pub/ham/linux/ax25/z8530drv-utils_3.0-3.tar.gz
+ 2. ftp://ftp.pspt.fi/pub/ham/linux/ax25/z8530drv-utils_3.0-3.tar.gz
Please note that the information in this document may be hopelessly outdated.
A new version of the documentation, along with links to other important
Linux Kernel AX.25 documentation and programs, is available on
http://yaina.de/jreuter
------------------------------------------------------------------------------
-
-
- SCC.C - Linux driver for Z8530 based HDLC cards for AX.25
-
- ********************************************************************
-
- (c) 1993,2000 by Joerg Reuter DL1BKE <jreuter@yaina.de>
-
- portions (c) 1993 Guido ten Dolle PE1NNZ
-
- for the complete copyright notice see >> Copying.Z8530DRV <<
+Copyright |copy| 1993,2000 by Joerg Reuter DL1BKE <jreuter@yaina.de>
- ********************************************************************
+portions Copyright |copy| 1993 Guido ten Dolle PE1NNZ
+for the complete copyright notice see >> Copying.Z8530DRV <<
1. Initialization of the driver
===============================
@@ -50,7 +47,7 @@ AX.25-HOWTO on how to emulate a KISS TNC on network device drivers.
(If you're going to compile the driver as a part of the kernel image,
skip this chapter and continue with 1.2)
-Before you can use a module, you'll have to load it with
+Before you can use a module, you'll have to load it with::
insmod scc.o
@@ -75,61 +72,73 @@ The file itself consists of two main sections.
==========================================
The hardware setup section defines the following parameters for each
-Z8530:
-
-chip 1
-data_a 0x300 # data port A
-ctrl_a 0x304 # control port A
-data_b 0x301 # data port B
-ctrl_b 0x305 # control port B
-irq 5 # IRQ No. 5
-pclock 4915200 # clock
-board BAYCOM # hardware type
-escc no # enhanced SCC chip? (8580/85180/85280)
-vector 0 # latch for interrupt vector
-special no # address of special function register
-option 0 # option to set via sfr
-
-
-chip - this is just a delimiter to make sccinit a bit simpler to
+Z8530::
+
+ chip 1
+ data_a 0x300 # data port A
+ ctrl_a 0x304 # control port A
+ data_b 0x301 # data port B
+ ctrl_b 0x305 # control port B
+ irq 5 # IRQ No. 5
+ pclock 4915200 # clock
+ board BAYCOM # hardware type
+ escc no # enhanced SCC chip? (8580/85180/85280)
+ vector 0 # latch for interrupt vector
+ special no # address of special function register
+ option 0 # option to set via sfr
+
+
+chip
+ - this is just a delimiter to make sccinit a bit simpler to
program. A parameter has no effect.
-data_a - the address of the data port A of this Z8530 (needed)
-ctrl_a - the address of the control port A (needed)
-data_b - the address of the data port B (needed)
-ctrl_b - the address of the control port B (needed)
-
-irq - the used IRQ for this chip. Different chips can use different
- IRQs or the same. If they share an interrupt, it needs to be
+data_a
+ - the address of the data port A of this Z8530 (needed)
+ctrl_a
+ - the address of the control port A (needed)
+data_b
+ - the address of the data port B (needed)
+ctrl_b
+ - the address of the control port B (needed)
+
+irq
+ - the used IRQ for this chip. Different chips can use different
+ IRQs or the same. If they share an interrupt, it needs to be
specified within one chip-definition only.
pclock - the clock at the PCLK pin of the Z8530 (option, 4915200 is
- default), measured in Hertz
+ default), measured in Hertz
-board - the "type" of the board:
+board
+ - the "type" of the board:
+ ======================= ========
SCC type value
- ---------------------------------
+ ======================= ========
PA0HZP SCC card PA0HZP
EAGLE card EAGLE
PC100 card PC100
PRIMUS-PC (DG9BL) card PRIMUS
BayCom (U)SCC card BAYCOM
+ ======================= ========
-escc - if you want support for ESCC chips (8580, 85180, 85280), set
- this to "yes" (option, defaults to "no")
+escc
+ - if you want support for ESCC chips (8580, 85180, 85280), set
+ this to "yes" (option, defaults to "no")
-vector - address of the vector latch (aka "intack port") for PA0HZP
- cards. There can be only one vector latch for all chips!
+vector
+ - address of the vector latch (aka "intack port") for PA0HZP
+ cards. There can be only one vector latch for all chips!
(option, defaults to 0)
-special - address of the special function register on several cards.
- (option, defaults to 0)
+special
+ - address of the special function register on several cards.
+ (option, defaults to 0)
option - The value you write into that register (option, default is 0)
You can specify up to four chips (8 channels). If this is not enough,
-just change
+just change::
#define MAXSCC 4
@@ -138,75 +147,81 @@ to a higher value.
Example for the BAYCOM USCC:
----------------------------
-chip 1
-data_a 0x300 # data port A
-ctrl_a 0x304 # control port A
-data_b 0x301 # data port B
-ctrl_b 0x305 # control port B
-irq 5 # IRQ No. 5 (#)
-board BAYCOM # hardware type (*)
-#
-# SCC chip 2
-#
-chip 2
-data_a 0x302
-ctrl_a 0x306
-data_b 0x303
-ctrl_b 0x307
-board BAYCOM
+::
+
+ chip 1
+ data_a 0x300 # data port A
+ ctrl_a 0x304 # control port A
+ data_b 0x301 # data port B
+ ctrl_b 0x305 # control port B
+ irq 5 # IRQ No. 5 (#)
+ board BAYCOM # hardware type (*)
+ #
+ # SCC chip 2
+ #
+ chip 2
+ data_a 0x302
+ ctrl_a 0x306
+ data_b 0x303
+ ctrl_b 0x307
+ board BAYCOM
An example for a PA0HZP card:
-----------------------------
-chip 1
-data_a 0x153
-data_b 0x151
-ctrl_a 0x152
-ctrl_b 0x150
-irq 9
-pclock 4915200
-board PA0HZP
-vector 0x168
-escc no
-#
-#
-#
-chip 2
-data_a 0x157
-data_b 0x155
-ctrl_a 0x156
-ctrl_b 0x154
-irq 9
-pclock 4915200
-board PA0HZP
-vector 0x168
-escc no
+::
+
+ chip 1
+ data_a 0x153
+ data_b 0x151
+ ctrl_a 0x152
+ ctrl_b 0x150
+ irq 9
+ pclock 4915200
+ board PA0HZP
+ vector 0x168
+ escc no
+ #
+ #
+ #
+ chip 2
+ data_a 0x157
+ data_b 0x155
+ ctrl_a 0x156
+ ctrl_b 0x154
+ irq 9
+ pclock 4915200
+ board PA0HZP
+ vector 0x168
+ escc no
A DRSI would should probably work with this:
--------------------------------------------
(actually: two DRSI cards...)
-chip 1
-data_a 0x303
-data_b 0x301
-ctrl_a 0x302
-ctrl_b 0x300
-irq 7
-pclock 4915200
-board DRSI
-escc no
-#
-#
-#
-chip 2
-data_a 0x313
-data_b 0x311
-ctrl_a 0x312
-ctrl_b 0x310
-irq 7
-pclock 4915200
-board DRSI
-escc no
+::
+
+ chip 1
+ data_a 0x303
+ data_b 0x301
+ ctrl_a 0x302
+ ctrl_b 0x300
+ irq 7
+ pclock 4915200
+ board DRSI
+ escc no
+ #
+ #
+ #
+ chip 2
+ data_a 0x313
+ data_b 0x311
+ ctrl_a 0x312
+ ctrl_b 0x310
+ irq 7
+ pclock 4915200
+ board DRSI
+ escc no
Note that you cannot use the on-board baudrate generator off DRSI
cards. Use "mode dpll" for clock source (see below).
@@ -220,17 +235,19 @@ The utility "gencfg"
If you only know the parameters for the PE1CHL driver for DOS,
run gencfg. It will generate the correct port addresses (I hope).
Its parameters are exactly the same as the ones you use with
-the "attach scc" command in net, except that the string "init" must
-not appear. Example:
+the "attach scc" command in net, except that the string "init" must
+not appear. Example::
-gencfg 2 0x150 4 2 0 1 0x168 9 4915200
+ gencfg 2 0x150 4 2 0 1 0x168 9 4915200
will print a skeleton z8530drv.conf for the OptoSCC to stdout.
-gencfg 2 0x300 2 4 5 -4 0 7 4915200 0x10
+::
+
+ gencfg 2 0x300 2 4 5 -4 0 7 4915200 0x10
does the same for the BAYCOM USCC card. In my opinion it is much easier
-to edit scc_config.h...
+to edit scc_config.h...
1.2.2 channel configuration
@@ -239,58 +256,58 @@ to edit scc_config.h...
The channel definition is divided into three sub sections for each
channel:
-An example for scc0:
-
-# DEVICE
-
-device scc0 # the device for the following params
-
-# MODEM / BUFFERS
-
-speed 1200 # the default baudrate
-clock dpll # clock source:
- # dpll = normal half duplex operation
- # external = MODEM provides own Rx/Tx clock
- # divider = use full duplex divider if
- # installed (1)
-mode nrzi # HDLC encoding mode
- # nrzi = 1k2 MODEM, G3RUH 9k6 MODEM
- # nrz = DF9IC 9k6 MODEM
- #
-bufsize 384 # size of buffers. Note that this must include
- # the AX.25 header, not only the data field!
- # (optional, defaults to 384)
-
-# KISS (Layer 1)
-
-txdelay 36 # (see chapter 1.4)
-persist 64
-slot 8
-tail 8
-fulldup 0
-wait 12
-min 3
-maxkey 7
-idle 3
-maxdef 120
-group 0
-txoff off
-softdcd on
-slip off
+An example for scc0::
+
+ # DEVICE
+
+ device scc0 # the device for the following params
+
+ # MODEM / BUFFERS
+
+ speed 1200 # the default baudrate
+ clock dpll # clock source:
+ # dpll = normal half duplex operation
+ # external = MODEM provides own Rx/Tx clock
+ # divider = use full duplex divider if
+ # installed (1)
+ mode nrzi # HDLC encoding mode
+ # nrzi = 1k2 MODEM, G3RUH 9k6 MODEM
+ # nrz = DF9IC 9k6 MODEM
+ #
+ bufsize 384 # size of buffers. Note that this must include
+ # the AX.25 header, not only the data field!
+ # (optional, defaults to 384)
+
+ # KISS (Layer 1)
+
+ txdelay 36 # (see chapter 1.4)
+ persist 64
+ slot 8
+ tail 8
+ fulldup 0
+ wait 12
+ min 3
+ maxkey 7
+ idle 3
+ maxdef 120
+ group 0
+ txoff off
+ softdcd on
+ slip off
The order WITHIN these sections is unimportant. The order OF these
sections IS important. The MODEM parameters are set with the first
recognized KISS parameter...
Please note that you can initialize the board only once after boot
-(or insmod). You can change all parameters but "mode" and "clock"
-later with the Sccparam program or through KISS. Just to avoid
-security holes...
+(or insmod). You can change all parameters but "mode" and "clock"
+later with the Sccparam program or through KISS. Just to avoid
+security holes...
(1) this divider is usually mounted on the SCC-PBC (PA0HZP) or not
- present at all (BayCom). It feeds back the output of the DPLL
- (digital pll) as transmit clock. Using this mode without a divider
- installed will normally result in keying the transceiver until
+ present at all (BayCom). It feeds back the output of the DPLL
+ (digital pll) as transmit clock. Using this mode without a divider
+ installed will normally result in keying the transceiver until
maxkey expires --- of course without sending anything (useful).
2. Attachment of a channel by your AX.25 software
@@ -299,15 +316,15 @@ security holes...
2.1 Kernel AX.25
================
-To set up an AX.25 device you can simply type:
+To set up an AX.25 device you can simply type::
ifconfig scc0 44.128.1.1 hw ax25 dl0tha-7
-This will create a network interface with the IP number 44.128.20.107
-and the callsign "dl0tha". If you do not have any IP number (yet) you
-can use any of the 44.128.0.0 network. Note that you do not need
-axattach. The purpose of axattach (like slattach) is to create a KISS
-network device linked to a TTY. Please read the documentation of the
+This will create a network interface with the IP number 44.128.20.107
+and the callsign "dl0tha". If you do not have any IP number (yet) you
+can use any of the 44.128.0.0 network. Note that you do not need
+axattach. The purpose of axattach (like slattach) is to create a KISS
+network device linked to a TTY. Please read the documentation of the
ax25-utils and the AX.25-HOWTO to learn how to set the parameters of
the kernel AX.25.
@@ -318,16 +335,16 @@ Since the TTY driver (aka KISS TNC emulation) is gone you need
to emulate the old behaviour. The cost of using these programs is
that you probably need to compile the kernel AX.25, regardless of whether
you actually use it or not. First setup your /etc/ax25/axports,
-for example:
+for example::
9k6 dl0tha-9 9600 255 4 9600 baud port (scc3)
axlink dl0tha-15 38400 255 4 Link to NOS
-Now "ifconfig" the scc device:
+Now "ifconfig" the scc device::
ifconfig scc3 44.128.1.1 hw ax25 dl0tha-9
-You can now axattach a pseudo-TTY:
+You can now axattach a pseudo-TTY::
axattach /dev/ptys0 axlink
@@ -335,11 +352,11 @@ and start your NOS and attach /dev/ptys0 there. The problem is that
NOS is reachable only via digipeating through the kernel AX.25
(disastrous on a DAMA controlled channel). To solve this problem,
configure "rxecho" to echo the incoming frames from "9k6" to "axlink"
-and outgoing frames from "axlink" to "9k6" and start:
+and outgoing frames from "axlink" to "9k6" and start::
rxecho
-Or simply use "kissbridge" coming with z8530drv-utils:
+Or simply use "kissbridge" coming with z8530drv-utils::
ifconfig scc3 hw ax25 dl0tha-9
kissbridge scc3 /dev/ptys0
@@ -351,55 +368,57 @@ Or simply use "kissbridge" coming with z8530drv-utils:
3.1 Displaying SCC Parameters:
==============================
-Once a SCC channel has been attached, the parameter settings and
-some statistic information can be shown using the param program:
+Once a SCC channel has been attached, the parameter settings and
+some statistic information can be shown using the param program::
-dl1bke-u:~$ sccstat scc0
+ dl1bke-u:~$ sccstat scc0
-Parameters:
+ Parameters:
-speed : 1200 baud
-txdelay : 36
-persist : 255
-slottime : 0
-txtail : 8
-fulldup : 1
-waittime : 12
-mintime : 3 sec
-maxkeyup : 7 sec
-idletime : 3 sec
-maxdefer : 120 sec
-group : 0x00
-txoff : off
-softdcd : on
-SLIP : off
+ speed : 1200 baud
+ txdelay : 36
+ persist : 255
+ slottime : 0
+ txtail : 8
+ fulldup : 1
+ waittime : 12
+ mintime : 3 sec
+ maxkeyup : 7 sec
+ idletime : 3 sec
+ maxdefer : 120 sec
+ group : 0x00
+ txoff : off
+ softdcd : on
+ SLIP : off
-Status:
+ Status:
-HDLC Z8530 Interrupts Buffers
------------------------------------------------------------------------
-Sent : 273 RxOver : 0 RxInts : 125074 Size : 384
-Received : 1095 TxUnder: 0 TxInts : 4684 NoSpace : 0
-RxErrors : 1591 ExInts : 11776
-TxErrors : 0 SpInts : 1503
-Tx State : idle
+ HDLC Z8530 Interrupts Buffers
+ -----------------------------------------------------------------------
+ Sent : 273 RxOver : 0 RxInts : 125074 Size : 384
+ Received : 1095 TxUnder: 0 TxInts : 4684 NoSpace : 0
+ RxErrors : 1591 ExInts : 11776
+ TxErrors : 0 SpInts : 1503
+ Tx State : idle
The status info shown is:
-Sent - number of frames transmitted
-Received - number of frames received
-RxErrors - number of receive errors (CRC, ABORT)
-TxErrors - number of discarded Tx frames (due to various reasons)
-Tx State - status of the Tx interrupt handler: idle/busy/active/tail (2)
-RxOver - number of receiver overruns
-TxUnder - number of transmitter underruns
-RxInts - number of receiver interrupts
-TxInts - number of transmitter interrupts
-EpInts - number of receiver special condition interrupts
-SpInts - number of external/status interrupts
-Size - maximum size of an AX.25 frame (*with* AX.25 headers!)
-NoSpace - number of times a buffer could not get allocated
+============== ==============================================================
+Sent number of frames transmitted
+Received number of frames received
+RxErrors number of receive errors (CRC, ABORT)
+TxErrors number of discarded Tx frames (due to various reasons)
+Tx State status of the Tx interrupt handler: idle/busy/active/tail (2)
+RxOver number of receiver overruns
+TxUnder number of transmitter underruns
+RxInts number of receiver interrupts
+TxInts number of transmitter interrupts
+EpInts number of receiver special condition interrupts
+SpInts number of external/status interrupts
+Size maximum size of an AX.25 frame (*with* AX.25 headers!)
+NoSpace number of times a buffer could not get allocated
+============== ==============================================================
An overrun is abnormal. If lots of these occur, the product of
baudrate and number of interfaces is too high for the processing
@@ -411,32 +430,34 @@ driver or the kernel AX.25.
======================
-The setting of parameters of the emulated KISS TNC is done in the
+The setting of parameters of the emulated KISS TNC is done in the
same way in the SCC driver. You can change parameters by using
-the kissparms program from the ax25-utils package or use the program
-"sccparam":
+the kissparms program from the ax25-utils package or use the program
+"sccparam"::
sccparam <device> <paramname> <decimal-|hexadecimal value>
You can change the following parameters:
-param : value
-------------------------
-speed : 1200
-txdelay : 36
-persist : 255
-slottime : 0
-txtail : 8
-fulldup : 1
-waittime : 12
-mintime : 3
-maxkeyup : 7
-idletime : 3
-maxdefer : 120
-group : 0x00
-txoff : off
-softdcd : on
-SLIP : off
+=========== =====
+param value
+=========== =====
+speed 1200
+txdelay 36
+persist 255
+slottime 0
+txtail 8
+fulldup 1
+waittime 12
+mintime 3
+maxkeyup 7
+idletime 3
+maxdefer 120
+group 0x00
+txoff off
+softdcd on
+SLIP off
+=========== =====
The parameters have the following meaning:
@@ -447,92 +468,92 @@ speed:
Example: sccparam /dev/scc3 speed 9600
txdelay:
- The delay (in units of 10 ms) after keying of the
- transmitter, until the first byte is sent. This is usually
- called "TXDELAY" in a TNC. When 0 is specified, the driver
- will just wait until the CTS signal is asserted. This
- assumes the presence of a timer or other circuitry in the
- MODEM and/or transmitter, that asserts CTS when the
+ The delay (in units of 10 ms) after keying of the
+ transmitter, until the first byte is sent. This is usually
+ called "TXDELAY" in a TNC. When 0 is specified, the driver
+ will just wait until the CTS signal is asserted. This
+ assumes the presence of a timer or other circuitry in the
+ MODEM and/or transmitter, that asserts CTS when the
transmitter is ready for data.
A normal value of this parameter is 30-36.
Example: sccparam /dev/scc0 txd 20
persist:
- This is the probability that the transmitter will be keyed
- when the channel is found to be free. It is a value from 0
- to 255, and the probability is (value+1)/256. The value
- should be somewhere near 50-60, and should be lowered when
+ This is the probability that the transmitter will be keyed
+ when the channel is found to be free. It is a value from 0
+ to 255, and the probability is (value+1)/256. The value
+ should be somewhere near 50-60, and should be lowered when
the channel is used more heavily.
Example: sccparam /dev/scc2 persist 20
slottime:
- This is the time between samples of the channel. It is
- expressed in units of 10 ms. About 200-300 ms (value 20-30)
+ This is the time between samples of the channel. It is
+ expressed in units of 10 ms. About 200-300 ms (value 20-30)
seems to be a good value.
Example: sccparam /dev/scc0 slot 20
tail:
- The time the transmitter will remain keyed after the last
- byte of a packet has been transferred to the SCC. This is
- necessary because the CRC and a flag still have to leave the
- SCC before the transmitter is keyed down. The value depends
- on the baudrate selected. A few character times should be
+ The time the transmitter will remain keyed after the last
+ byte of a packet has been transferred to the SCC. This is
+ necessary because the CRC and a flag still have to leave the
+ SCC before the transmitter is keyed down. The value depends
+ on the baudrate selected. A few character times should be
sufficient, e.g. 40ms at 1200 baud. (value 4)
The value of this parameter is in 10 ms units.
Example: sccparam /dev/scc2 4
full:
- The full-duplex mode switch. This can be one of the following
+ The full-duplex mode switch. This can be one of the following
values:
- 0: The interface will operate in CSMA mode (the normal
- half-duplex packet radio operation)
- 1: Fullduplex mode, i.e. the transmitter will be keyed at
- any time, without checking the received carrier. It
- will be unkeyed when there are no packets to be sent.
- 2: Like 1, but the transmitter will remain keyed, also
- when there are no packets to be sent. Flags will be
- sent in that case, until a timeout (parameter 10)
- occurs.
+ 0: The interface will operate in CSMA mode (the normal
+ half-duplex packet radio operation)
+ 1: Fullduplex mode, i.e. the transmitter will be keyed at
+ any time, without checking the received carrier. It
+ will be unkeyed when there are no packets to be sent.
+ 2: Like 1, but the transmitter will remain keyed, also
+ when there are no packets to be sent. Flags will be
+ sent in that case, until a timeout (parameter 10)
+ occurs.
Example: sccparam /dev/scc0 fulldup off
wait:
- The initial waittime before any transmit attempt, after the
- frame has been queue for transmit. This is the length of
+ The initial waittime before any transmit attempt, after the
+ frame has been queue for transmit. This is the length of
the first slot in CSMA mode. In full duplex modes it is
set to 0 for maximum performance.
- The value of this parameter is in 10 ms units.
+ The value of this parameter is in 10 ms units.
Example: sccparam /dev/scc1 wait 4
maxkey:
- The maximal time the transmitter will be keyed to send
- packets, in seconds. This can be useful on busy CSMA
- channels, to avoid "getting a bad reputation" when you are
- generating a lot of traffic. After the specified time has
+ The maximal time the transmitter will be keyed to send
+ packets, in seconds. This can be useful on busy CSMA
+ channels, to avoid "getting a bad reputation" when you are
+ generating a lot of traffic. After the specified time has
elapsed, no new frame will be started. Instead, the trans-
- mitter will be switched off for a specified time (parameter
- min), and then the selected algorithm for keyup will be
+ mitter will be switched off for a specified time (parameter
+ min), and then the selected algorithm for keyup will be
started again.
- The value 0 as well as "off" will disable this feature,
- and allow infinite transmission time.
+ The value 0 as well as "off" will disable this feature,
+ and allow infinite transmission time.
Example: sccparam /dev/scc0 maxk 20
min:
- This is the time the transmitter will be switched off when
+ This is the time the transmitter will be switched off when
the maximum transmission time is exceeded.
Example: sccparam /dev/scc3 min 10
-idle
- This parameter specifies the maximum idle time in full duplex
- 2 mode, in seconds. When no frames have been sent for this
+idle:
+ This parameter specifies the maximum idle time in full duplex
+ 2 mode, in seconds. When no frames have been sent for this
time, the transmitter will be keyed down. A value of 0 is
has same result as the fullduplex mode 1. This parameter
can be disabled.
@@ -541,7 +562,7 @@ idle
maxdefer
This is the maximum time (in seconds) to wait for a free channel
- to send. When this timer expires the transmitter will be keyed
+ to send. When this timer expires the transmitter will be keyed
IMMEDIATELY. If you love to get trouble with other users you
should set this to a very low value ;-)
@@ -555,32 +576,38 @@ txoff:
Example: sccparam /dev/scc2 txoff on
group:
- It is possible to build special radio equipment to use more than
- one frequency on the same band, e.g. using several receivers and
+ It is possible to build special radio equipment to use more than
+ one frequency on the same band, e.g. using several receivers and
only one transmitter that can be switched between frequencies.
- Also, you can connect several radios that are active on the same
- band. In these cases, it is not possible, or not a good idea, to
- transmit on more than one frequency. The SCC driver provides a
- method to lock transmitters on different interfaces, using the
- "param <interface> group <x>" command. This will only work when
+ Also, you can connect several radios that are active on the same
+ band. In these cases, it is not possible, or not a good idea, to
+ transmit on more than one frequency. The SCC driver provides a
+ method to lock transmitters on different interfaces, using the
+ "param <interface> group <x>" command. This will only work when
you are using CSMA mode (parameter full = 0).
- The number <x> must be 0 if you want no group restrictions, and
+
+ The number <x> must be 0 if you want no group restrictions, and
can be computed as follows to create restricted groups:
<x> is the sum of some OCTAL numbers:
- 200 This transmitter will only be keyed when all other
- transmitters in the group are off.
- 100 This transmitter will only be keyed when the carrier
- detect of all other interfaces in the group is off.
- 0xx A byte that can be used to define different groups.
- Interfaces are in the same group, when the logical AND
- between their xx values is nonzero.
+
+ === =======================================================
+ 200 This transmitter will only be keyed when all other
+ transmitters in the group are off.
+ 100 This transmitter will only be keyed when the carrier
+ detect of all other interfaces in the group is off.
+ 0xx A byte that can be used to define different groups.
+ Interfaces are in the same group, when the logical AND
+ between their xx values is nonzero.
+ === =======================================================
Examples:
- When 2 interfaces use group 201, their transmitters will never be
+
+ When 2 interfaces use group 201, their transmitters will never be
keyed at the same time.
- When 2 interfaces use group 101, the transmitters will only key
- when both channels are clear at the same time. When group 301,
+
+ When 2 interfaces use group 101, the transmitters will only key
+ when both channels are clear at the same time. When group 301,
the transmitters will not be keyed at the same time.
Don't forget to convert the octal numbers into decimal before
@@ -595,19 +622,19 @@ softdcd:
Example: sccparam /dev/scc0 soft on
-4. Problems
+4. Problems
===========
If you have tx-problems with your BayCom USCC card please check
the manufacturer of the 8530. SGS chips have a slightly
-different timing. Try Zilog... A solution is to write to register 8
-instead to the data port, but this won't work with the ESCC chips.
+different timing. Try Zilog... A solution is to write to register 8
+instead to the data port, but this won't work with the ESCC chips.
*SIGH!*
A very common problem is that the PTT locks until the maxkeyup timer
expires, although interrupts and clock source are correct. In most
cases compiling the driver with CONFIG_SCC_DELAY (set with
-make config) solves the problems. For more hints read the (pseudo) FAQ
+make config) solves the problems. For more hints read the (pseudo) FAQ
and the documentation coming with z8530drv-utils.
I got reports that the driver has problems on some 386-based systems.
@@ -651,7 +678,9 @@ got it up-and-running?
Many thanks to Linus Torvalds and Alan Cox for including the driver
in the Linux standard distribution and their support.
-Joerg Reuter ampr-net: dl1bke@db0pra.ampr.org
- AX-25 : DL1BKE @ DB0ABH.#BAY.DEU.EU
- Internet: jreuter@yaina.de
- WWW : http://yaina.de/jreuter
+::
+
+ Joerg Reuter ampr-net: dl1bke@db0pra.ampr.org
+ AX-25 : DL1BKE @ DB0ABH.#BAY.DEU.EU
+ Internet: jreuter@yaina.de
+ WWW : http://yaina.de/jreuter
diff --git a/Documentation/nvdimm/maintainer-entry-profile.rst b/Documentation/nvdimm/maintainer-entry-profile.rst
index efe37adadcea..9da748e42623 100644
--- a/Documentation/nvdimm/maintainer-entry-profile.rst
+++ b/Documentation/nvdimm/maintainer-entry-profile.rst
@@ -4,15 +4,15 @@ LIBNVDIMM Maintainer Entry Profile
Overview
--------
The libnvdimm subsystem manages persistent memory across multiple
-architectures. The mailing list, is tracked by patchwork here:
+architectures. The mailing list is tracked by patchwork here:
https://patchwork.kernel.org/project/linux-nvdimm/list/
...and that instance is configured to give feedback to submitters on
patch acceptance and upstream merge. Patches are merged to either the
-'libnvdimm-fixes', or 'libnvdimm-for-next' branch. Those branches are
+'libnvdimm-fixes' or 'libnvdimm-for-next' branch. Those branches are
available here:
https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git/
-In general patches can be submitted against the latest -rc, however if
+In general patches can be submitted against the latest -rc; however, if
the incoming code change is dependent on other pending changes then the
patch should be based on the libnvdimm-for-next branch. However, since
persistent memory sits at the intersection of storage and memory there
@@ -35,12 +35,12 @@ getting the test environment set up.
ACPI Device Specific Methods (_DSM)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Before patches enabling for a new _DSM family will be considered it must
+Before patches enabling a new _DSM family will be considered, it must
be assigned a format-interface-code from the NVDIMM Sub-team of the ACPI
Specification Working Group. In general, the stance of the subsystem is
-to push back on the proliferation of NVDIMM command sets, do strongly
+to push back on the proliferation of NVDIMM command sets, so do strongly
consider implementing support for an existing command set. See
-drivers/acpi/nfit/nfit.h for the set of support command sets.
+drivers/acpi/nfit/nfit.h for the set of supported command sets.
Key Cycle Dates
@@ -48,7 +48,7 @@ Key Cycle Dates
New submissions can be sent at any time, but if they intend to hit the
next merge window they should be sent before -rc4, and ideally
stabilized in the libnvdimm-for-next branch by -rc6. Of course if a
-patch set requires more than 2 weeks of review -rc4 is already too late
+patch set requires more than 2 weeks of review, -rc4 is already too late
and some patches may require multiple development cycles to review.
diff --git a/Documentation/power/pci.rst b/Documentation/power/pci.rst
index 0924d29636ad..1831e431f725 100644
--- a/Documentation/power/pci.rst
+++ b/Documentation/power/pci.rst
@@ -1004,41 +1004,39 @@ including the PCI bus type. The flags should be set once at the driver probe
time with the help of the dev_pm_set_driver_flags() function and they should not
be updated directly afterwards.
-The DPM_FLAG_NEVER_SKIP flag prevents the PM core from using the direct-complete
-mechanism allowing device suspend/resume callbacks to be skipped if the device
-is in runtime suspend when the system suspend starts. That also affects all of
-the ancestors of the device, so this flag should only be used if absolutely
-necessary.
-
-The DPM_FLAG_SMART_PREPARE flag instructs the PCI bus type to only return a
-positive value from pci_pm_prepare() if the ->prepare callback provided by the
+The DPM_FLAG_NO_DIRECT_COMPLETE flag prevents the PM core from using the
+direct-complete mechanism allowing device suspend/resume callbacks to be skipped
+if the device is in runtime suspend when the system suspend starts. That also
+affects all of the ancestors of the device, so this flag should only be used if
+absolutely necessary.
+
+The DPM_FLAG_SMART_PREPARE flag causes the PCI bus type to return a positive
+value from pci_pm_prepare() only if the ->prepare callback provided by the
driver of the device returns a positive value. That allows the driver to opt
-out from using the direct-complete mechanism dynamically.
+out from using the direct-complete mechanism dynamically (whereas setting
+DPM_FLAG_NO_DIRECT_COMPLETE means permanent opt-out).
The DPM_FLAG_SMART_SUSPEND flag tells the PCI bus type that from the driver's
perspective the device can be safely left in runtime suspend during system
suspend. That causes pci_pm_suspend(), pci_pm_freeze() and pci_pm_poweroff()
-to skip resuming the device from runtime suspend unless there are PCI-specific
-reasons for doing that. Also, it causes pci_pm_suspend_late/noirq(),
-pci_pm_freeze_late/noirq() and pci_pm_poweroff_late/noirq() to return early
-if the device remains in runtime suspend in the beginning of the "late" phase
-of the system-wide transition under way. Moreover, if the device is in
-runtime suspend in pci_pm_resume_noirq() or pci_pm_restore_noirq(), its runtime
-power management status will be changed to "active" (as it is going to be put
-into D0 going forward), but if it is in runtime suspend in pci_pm_thaw_noirq(),
-the function will set the power.direct_complete flag for it (to make the PM core
-skip the subsequent "thaw" callbacks for it) and return.
-
-Setting the DPM_FLAG_LEAVE_SUSPENDED flag means that the driver prefers the
-device to be left in suspend after system-wide transitions to the working state.
-This flag is checked by the PM core, but the PCI bus type informs the PM core
-which devices may be left in suspend from its perspective (that happens during
-the "noirq" phase of system-wide suspend and analogous transitions) and next it
-uses the dev_pm_may_skip_resume() helper to decide whether or not to return from
-pci_pm_resume_noirq() early, as the PM core will skip the remaining resume
-callbacks for the device during the transition under way and will set its
-runtime PM status to "suspended" if dev_pm_may_skip_resume() returns "true" for
-it.
+to avoid resuming the device from runtime suspend unless there are PCI-specific
+reasons for doing that. Also, it causes pci_pm_suspend_late/noirq() and
+pci_pm_poweroff_late/noirq() to return early if the device remains in runtime
+suspend during the "late" phase of the system-wide transition under way.
+Moreover, if the device is in runtime suspend in pci_pm_resume_noirq() or
+pci_pm_restore_noirq(), its runtime PM status will be changed to "active" (as it
+is going to be put into D0 going forward).
+
+Setting the DPM_FLAG_MAY_SKIP_RESUME flag means that the driver allows its
+"noirq" and "early" resume callbacks to be skipped if the device can be left
+in suspend after a system-wide transition into the working state. This flag is
+taken into consideration by the PM core along with the power.may_skip_resume
+status bit of the device which is set by pci_pm_suspend_noirq() in certain
+situations. If the PM core determines that the driver's "noirq" and "early"
+resume callbacks should be skipped, the dev_pm_skip_resume() helper function
+will return "true" and that will cause pci_pm_resume_noirq() and
+pci_pm_resume_early() to return upfront without touching the device and
+executing the driver callbacks.
3.2. Device Runtime Power Management
------------------------------------
diff --git a/Documentation/power/suspend-and-cpuhotplug.rst b/Documentation/power/suspend-and-cpuhotplug.rst
index 572d968c5375..ebedb6c75db9 100644
--- a/Documentation/power/suspend-and-cpuhotplug.rst
+++ b/Documentation/power/suspend-and-cpuhotplug.rst
@@ -48,7 +48,7 @@ More details follow::
|
|
v
- disable_nonboot_cpus()
+ freeze_secondary_cpus()
/* start */
|
v
@@ -83,7 +83,7 @@ More details follow::
Release cpu_add_remove_lock
|
v
- /* disable_nonboot_cpus() complete */
+ /* freeze_secondary_cpus() complete */
|
v
Do suspend
@@ -93,7 +93,7 @@ More details follow::
Resuming back is likewise, with the counterparts being (in the order of
execution during resume):
-* enable_nonboot_cpus() which involves::
+* thaw_secondary_cpus() which involves::
| Acquire cpu_add_remove_lock
| Decrease cpu_hotplug_disabled, thereby enabling regular cpu hotplug
diff --git a/Documentation/powerpc/cxl.rst b/Documentation/powerpc/cxl.rst
index 920546d81326..d2d77057610e 100644
--- a/Documentation/powerpc/cxl.rst
+++ b/Documentation/powerpc/cxl.rst
@@ -133,6 +133,7 @@ User API
========
1. AFU character devices
+^^^^^^^^^^^^^^^^^^^^^^^^
For AFUs operating in AFU directed mode, two character device
files will be created. /dev/cxl/afu0.0m will correspond to a
@@ -395,6 +396,7 @@ read
2. Card character device (powerVM guest only)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
In a powerVM guest, an extra character device is created for the
card. The device is only used to write (flash) a new image on the
diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/powerpc/firmware-assisted-dump.rst
index b3f3ee135dbe..20ea8cdee0aa 100644
--- a/Documentation/powerpc/firmware-assisted-dump.rst
+++ b/Documentation/powerpc/firmware-assisted-dump.rst
@@ -344,7 +344,7 @@ Here is the list of files under powerpc debugfs:
NOTE:
- Please refer to Documentation/filesystems/debugfs.txt on
+ Please refer to Documentation/filesystems/debugfs.rst on
how to mount the debugfs filesystem.
diff --git a/Documentation/process/adding-syscalls.rst b/Documentation/process/adding-syscalls.rst
index 1c3a840d06b9..a6b4a3a5bf3f 100644
--- a/Documentation/process/adding-syscalls.rst
+++ b/Documentation/process/adding-syscalls.rst
@@ -33,7 +33,7 @@ interface.
to a somewhat opaque API.
- If you're just exposing runtime system information, a new node in sysfs
- (see ``Documentation/filesystems/sysfs.txt``) or the ``/proc`` filesystem may
+ (see ``Documentation/filesystems/sysfs.rst``) or the ``/proc`` filesystem may
be more appropriate. However, access to these mechanisms requires that the
relevant filesystem is mounted, which might not always be the case (e.g.
in a namespaced/sandboxed/chrooted environment). Avoid adding any API to
diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index acb2f1b36350..17a8e584f15f 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -84,15 +84,20 @@ Get a decent editor and don't leave whitespace at the end of lines.
Coding style is all about readability and maintainability using commonly
available tools.
-The limit on the length of lines is 80 columns and this is a strongly
-preferred limit.
-
-Statements longer than 80 columns will be broken into sensible chunks, unless
-exceeding 80 columns significantly increases readability and does not hide
-information. Descendants are always substantially shorter than the parent and
-are placed substantially to the right. The same applies to function headers
-with a long argument list. However, never break user-visible strings such as
-printk messages, because that breaks the ability to grep for them.
+The preferred limit on the length of a single line is 80 columns.
+
+Statements longer than 80 columns should be broken into sensible chunks,
+unless exceeding 80 columns significantly increases readability and does
+not hide information.
+
+Descendants are always substantially shorter than the parent and are
+are placed substantially to the right. A very commonly used style
+is to align descendants to a function open parenthesis.
+
+These same rules are applied to function headers with a long argument list.
+
+However, never break user-visible strings such as printk messages because
+that breaks the ability to grep for them.
3) Placing Braces and Spaces
diff --git a/Documentation/process/index.rst b/Documentation/process/index.rst
index 6399d92f0b21..f07c9250c3ac 100644
--- a/Documentation/process/index.rst
+++ b/Documentation/process/index.rst
@@ -61,6 +61,7 @@ lack of a better place.
botching-up-ioctls
clang-format
../riscv/patch-acceptance
+ unaligned-memory-access
.. only:: subproject and html
diff --git a/Documentation/process/submit-checklist.rst b/Documentation/process/submit-checklist.rst
index 8e56337d422d..3f8e9d5d95c2 100644
--- a/Documentation/process/submit-checklist.rst
+++ b/Documentation/process/submit-checklist.rst
@@ -107,7 +107,7 @@ and elsewhere regarding submitting Linux kernel patches.
and why.
26) If any ioctl's are added by the patch, then also update
- ``Documentation/ioctl/ioctl-number.rst``.
+ ``Documentation/userspace-api/ioctl/ioctl-number.rst``.
27) If your modified source code depends on or uses any of the kernel
APIs or features that are related to the following ``Kconfig`` symbols,
diff --git a/Documentation/unaligned-memory-access.txt b/Documentation/process/unaligned-memory-access.rst
index 1ee82419d8aa..1ee82419d8aa 100644
--- a/Documentation/unaligned-memory-access.txt
+++ b/Documentation/process/unaligned-memory-access.rst
diff --git a/Documentation/s390/vfio-ap.rst b/Documentation/s390/vfio-ap.rst
index b5c51f7c748d..367e27ec3c50 100644
--- a/Documentation/s390/vfio-ap.rst
+++ b/Documentation/s390/vfio-ap.rst
@@ -484,7 +484,7 @@ CARD.DOMAIN TYPE MODE
05.00ff CEX5A Accelerator
=========== ===== ============
-Guest2
+Guest3
------
=========== ===== ============
CARD.DOMAIN TYPE MODE
diff --git a/Documentation/scheduler/sched-domains.rst b/Documentation/scheduler/sched-domains.rst
index f7504226f445..5c4b7f4f0062 100644
--- a/Documentation/scheduler/sched-domains.rst
+++ b/Documentation/scheduler/sched-domains.rst
@@ -19,10 +19,12 @@ CPUs".
Each scheduling domain must have one or more CPU groups (struct sched_group)
which are organised as a circular one way linked list from the ->groups
pointer. The union of cpumasks of these groups MUST be the same as the
-domain's span. The intersection of cpumasks from any two of these groups
-MUST be the empty set. The group pointed to by the ->groups pointer MUST
-contain the CPU to which the domain belongs. Groups may be shared among
-CPUs as they contain read only data after they have been set up.
+domain's span. The group pointed to by the ->groups pointer MUST contain the CPU
+to which the domain belongs. Groups may be shared among CPUs as they contain
+read only data after they have been set up. The intersection of cpumasks from
+any two of these groups may be non empty. If this is the case the SD_OVERLAP
+flag is set on the corresponding scheduling domain and its groups may not be
+shared between CPUs.
Balancing within a sched domain occurs between groups. That is, each group
is treated as one entity. The load of a group is defined as the sum of the
diff --git a/Documentation/digsig.txt b/Documentation/security/digsig.rst
index f6a8902d3ef7..f6a8902d3ef7 100644
--- a/Documentation/digsig.txt
+++ b/Documentation/security/digsig.rst
diff --git a/Documentation/security/index.rst b/Documentation/security/index.rst
index fc503dd689a7..8129405eb2cc 100644
--- a/Documentation/security/index.rst
+++ b/Documentation/security/index.rst
@@ -15,3 +15,4 @@ Security Documentation
self-protection
siphash
tpm/index
+ digsig
diff --git a/Documentation/security/lsm.rst b/Documentation/security/lsm.rst
index aadf47c808c0..6a2a2e973080 100644
--- a/Documentation/security/lsm.rst
+++ b/Documentation/security/lsm.rst
@@ -35,47 +35,50 @@ desired model of security. Linus also suggested the possibility of
migrating the Linux capabilities code into such a module.
The Linux Security Modules (LSM) project was started by WireX to develop
-such a framework. LSM is a joint development effort by several security
+such a framework. LSM was a joint development effort by several security
projects, including Immunix, SELinux, SGI and Janus, and several
individuals, including Greg Kroah-Hartman and James Morris, to develop a
-Linux kernel patch that implements this framework. The patch is
-currently tracking the 2.4 series and is targeted for integration into
-the 2.5 development series. This technical report provides an overview
-of the framework and the example capabilities security module provided
-by the LSM kernel patch.
+Linux kernel patch that implements this framework. The work was
+incorporated in the mainstream in December of 2003. This technical
+report provides an overview of the framework and the capabilities
+security module.
LSM Framework
=============
-The LSM kernel patch provides a general kernel framework to support
+The LSM framework provides a general kernel framework to support
security modules. In particular, the LSM framework is primarily focused
on supporting access control modules, although future development is
-likely to address other security needs such as auditing. By itself, the
+likely to address other security needs such as sandboxing. By itself, the
framework does not provide any additional security; it merely provides
-the infrastructure to support security modules. The LSM kernel patch
-also moves most of the capabilities logic into an optional security
-module, with the system defaulting to the traditional superuser logic.
+the infrastructure to support security modules. The LSM framework is
+optional, requiring `CONFIG_SECURITY` to be enabled. The capabilities
+logic is implemented as a security module.
This capabilities module is discussed further in
`LSM Capabilities Module`_.
-The LSM kernel patch adds security fields to kernel data structures and
-inserts calls to hook functions at critical points in the kernel code to
-manage the security fields and to perform access control. It also adds
-functions for registering and unregistering security modules, and adds a
-general :c:func:`security()` system call to support new system calls
-for security-aware applications.
-
-The LSM security fields are simply ``void*`` pointers. For process and
-program execution security information, security fields were added to
+The LSM framework includes security fields in kernel data structures and
+calls to hook functions at critical points in the kernel code to
+manage the security fields and to perform access control.
+It also adds functions for registering security modules.
+An interface `/sys/kernel/security/lsm` reports a comma separated list
+of security modules that are active on the system.
+
+The LSM security fields are simply ``void*`` pointers.
+The data is referred to as a blob, which may be managed by
+the framework or by the individual security modules that use it.
+Security blobs that are used by more than one security module are
+typically managed by the framework.
+For process and
+program execution security information, security fields are included in
:c:type:`struct task_struct <task_struct>` and
-:c:type:`struct linux_binprm <linux_binprm>`. For filesystem
-security information, a security field was added to :c:type:`struct
+:c:type:`struct cred <cred>`.
+For filesystem
+security information, a security field is included in :c:type:`struct
super_block <super_block>`. For pipe, file, and socket security
-information, security fields were added to :c:type:`struct inode
-<inode>` and :c:type:`struct file <file>`. For packet and
-network device security information, security fields were added to
-:c:type:`struct sk_buff <sk_buff>` and :c:type:`struct
-net_device <net_device>`. For System V IPC security information,
+information, security fields are included in :c:type:`struct inode
+<inode>` and :c:type:`struct file <file>`.
+For System V IPC security information,
security fields were added to :c:type:`struct kern_ipc_perm
<kern_ipc_perm>` and :c:type:`struct msg_msg
<msg_msg>`; additionally, the definitions for :c:type:`struct
@@ -84,118 +87,45 @@ were moved to header files (``include/linux/msg.h`` and
``include/linux/shm.h`` as appropriate) to allow the security modules to
use these definitions.
-Each LSM hook is a function pointer in a global table, security_ops.
-This table is a :c:type:`struct security_operations
-<security_operations>` structure as defined by
-``include/linux/security.h``. Detailed documentation for each hook is
-included in this header file. At present, this structure consists of a
-collection of substructures that group related hooks based on the kernel
-object (e.g. task, inode, file, sk_buff, etc) as well as some top-level
-hook function pointers for system operations. This structure is likely
-to be flattened in the future for performance. The placement of the hook
-calls in the kernel code is described by the "called:" lines in the
-per-hook documentation in the header file. The hook calls can also be
-easily found in the kernel code by looking for the string
-"security_ops->".
-
-Linus mentioned per-process security hooks in his original remarks as a
-possible alternative to global security hooks. However, if LSM were to
-start from the perspective of per-process hooks, then the base framework
-would have to deal with how to handle operations that involve multiple
-processes (e.g. kill), since each process might have its own hook for
-controlling the operation. This would require a general mechanism for
-composing hooks in the base framework. Additionally, LSM would still
-need global hooks for operations that have no process context (e.g.
-network input operations). Consequently, LSM provides global security
-hooks, but a security module is free to implement per-process hooks
-(where that makes sense) by storing a security_ops table in each
-process' security field and then invoking these per-process hooks from
-the global hooks. The problem of composition is thus deferred to the
-module.
-
-The global security_ops table is initialized to a set of hook functions
-provided by a dummy security module that provides traditional superuser
-logic. A :c:func:`register_security()` function (in
-``security/security.c``) is provided to allow a security module to set
-security_ops to refer to its own hook functions, and an
-:c:func:`unregister_security()` function is provided to revert
-security_ops to the dummy module hooks. This mechanism is used to set
-the primary security module, which is responsible for making the final
-decision for each hook.
-
-LSM also provides a simple mechanism for stacking additional security
-modules with the primary security module. It defines
-:c:func:`register_security()` and
-:c:func:`unregister_security()` hooks in the :c:type:`struct
-security_operations <security_operations>` structure and
-provides :c:func:`mod_reg_security()` and
-:c:func:`mod_unreg_security()` functions that invoke these hooks
-after performing some sanity checking. A security module can call these
-functions in order to stack with other modules. However, the actual
-details of how this stacking is handled are deferred to the module,
-which can implement these hooks in any way it wishes (including always
-returning an error if it does not wish to support stacking). In this
-manner, LSM again defers the problem of composition to the module.
-
-Although the LSM hooks are organized into substructures based on kernel
-object, all of the hooks can be viewed as falling into two major
+For packet and
+network device security information, security fields were added to
+:c:type:`struct sk_buff <sk_buff>` and
+:c:type:`struct scm_cookie <scm_cookie>`.
+Unlike the other security module data, the data used here is a
+32-bit integer. The security modules are required to map or otherwise
+associate these values with real security attributes.
+
+LSM hooks are maintained in lists. A list is maintained for each
+hook, and the hooks are called in the order specified by CONFIG_LSM.
+Detailed documentation for each hook is
+included in the `include/linux/lsm_hooks.h` header file.
+
+The LSM framework provides for a close approximation of
+general security module stacking. It defines
+security_add_hooks() to which each security module passes a
+:c:type:`struct security_hooks_list <security_hooks_list>`,
+which are added to the lists.
+The LSM framework does not provide a mechanism for removing hooks that
+have been registered. The SELinux security module has implemented
+a way to remove itself, however the feature has been deprecated.
+
+The hooks can be viewed as falling into two major
categories: hooks that are used to manage the security fields and hooks
that are used to perform access control. Examples of the first category
-of hooks include the :c:func:`alloc_security()` and
-:c:func:`free_security()` hooks defined for each kernel data
-structure that has a security field. These hooks are used to allocate
-and free security structures for kernel objects. The first category of
-hooks also includes hooks that set information in the security field
-after allocation, such as the :c:func:`post_lookup()` hook in
-:c:type:`struct inode_security_ops <inode_security_ops>`.
-This hook is used to set security information for inodes after
-successful lookup operations. An example of the second category of hooks
-is the :c:func:`permission()` hook in :c:type:`struct
-inode_security_ops <inode_security_ops>`. This hook checks
-permission when accessing an inode.
+of hooks include the security_inode_alloc() and security_inode_free()
+These hooks are used to allocate
+and free security structures for inode objects.
+An example of the second category of hooks
+is the security_inode_permission() hook.
+This hook checks permission when accessing an inode.
LSM Capabilities Module
=======================
-The LSM kernel patch moves most of the existing POSIX.1e capabilities
-logic into an optional security module stored in the file
-``security/capability.c``. This change allows users who do not want to
-use capabilities to omit this code entirely from their kernel, instead
-using the dummy module for traditional superuser logic or any other
-module that they desire. This change also allows the developers of the
-capabilities logic to maintain and enhance their code more freely,
-without needing to integrate patches back into the base kernel.
-
-In addition to moving the capabilities logic, the LSM kernel patch could
-move the capability-related fields from the kernel data structures into
-the new security fields managed by the security modules. However, at
-present, the LSM kernel patch leaves the capability fields in the kernel
-data structures. In his original remarks, Linus suggested that this
-might be preferable so that other security modules can be easily stacked
-with the capabilities module without needing to chain multiple security
-structures on the security field. It also avoids imposing extra overhead
-on the capabilities module to manage the security fields. However, the
-LSM framework could certainly support such a move if it is determined to
-be desirable, with only a few additional changes described below.
-
-At present, the capabilities logic for computing process capabilities on
-:c:func:`execve()` and :c:func:`set\*uid()`, checking
-capabilities for a particular process, saving and checking capabilities
-for netlink messages, and handling the :c:func:`capget()` and
-:c:func:`capset()` system calls have been moved into the
-capabilities module. There are still a few locations in the base kernel
-where capability-related fields are directly examined or modified, but
-the current version of the LSM patch does allow a security module to
-completely replace the assignment and testing of capabilities. These few
-locations would need to be changed if the capability-related fields were
-moved into the security field. The following is a list of known
-locations that still perform such direct examination or modification of
-capability-related fields:
-
-- ``fs/open.c``::c:func:`sys_access()`
-
-- ``fs/lockd/host.c``::c:func:`nlm_bind_host()`
-
-- ``fs/nfsd/auth.c``::c:func:`nfsd_setuser()`
-
-- ``fs/proc/array.c``::c:func:`task_cap()`
+The POSIX.1e capabilities logic is maintained as a security module
+stored in the file ``security/commoncap.c``. The capabilities
+module uses the order field of the :c:type:`lsm_info` description
+to identify it as the first security module to be registered.
+The capabilities security module does not use the general security
+blobs, unlike other modules. The reasons are historical and are
+based on overhead, complexity and performance concerns.
diff --git a/Documentation/security/siphash.rst b/Documentation/security/siphash.rst
index 4eba68cdf0a1..bd9363025fcb 100644
--- a/Documentation/security/siphash.rst
+++ b/Documentation/security/siphash.rst
@@ -7,7 +7,7 @@ SipHash - a short input PRF
SipHash is a cryptographically secure PRF -- a keyed hash function -- that
performs very well for short inputs, hence the name. It was designed by
cryptographers Daniel J. Bernstein and Jean-Philippe Aumasson. It is intended
-as a replacement for some uses of: `jhash`, `md5_transform`, `sha_transform`,
+as a replacement for some uses of: `jhash`, `md5_transform`, `sha1_transform`,
and so forth.
SipHash takes a secret key filled with randomly generated numbers and either
diff --git a/Documentation/sphinx/requirements.txt b/Documentation/sphinx/requirements.txt
index 14e29a0ae480..489f6626de67 100644
--- a/Documentation/sphinx/requirements.txt
+++ b/Documentation/sphinx/requirements.txt
@@ -1,3 +1,3 @@
docutils
-Sphinx==1.7.9
+Sphinx==2.4.4
sphinx_rtd_theme
diff --git a/Documentation/timers/timers-howto.rst b/Documentation/timers/timers-howto.rst
index 7e3167bec2b1..afb0a43b8cdf 100644
--- a/Documentation/timers/timers-howto.rst
+++ b/Documentation/timers/timers-howto.rst
@@ -110,3 +110,6 @@ NON-ATOMIC CONTEXT:
short, the difference is whether the sleep can be ended
early by a signal. In general, just use msleep unless
you know you have a need for the interruptible variant.
+
+ FLEXIBLE SLEEPING (any delay, uninterruptible)
+ * Use fsleep
diff --git a/Documentation/trace/coresight/coresight-ect.rst b/Documentation/trace/coresight/coresight-ect.rst
index ecc1e57012ef..a93e52abcf46 100644
--- a/Documentation/trace/coresight/coresight-ect.rst
+++ b/Documentation/trace/coresight/coresight-ect.rst
@@ -1,4 +1,5 @@
.. SPDX-License-Identifier: GPL-2.0
+
=============================================
CoreSight Embedded Cross Trigger (CTI & CTM).
=============================================
diff --git a/Documentation/trace/events.rst b/Documentation/trace/events.rst
index 4a2ebe0bd19b..f792b1959a33 100644
--- a/Documentation/trace/events.rst
+++ b/Documentation/trace/events.rst
@@ -527,8 +527,8 @@ The following commands are supported:
See Documentation/trace/histogram.rst for details and examples.
-6.3 In-kernel trace event API
------------------------------
+7. In-kernel trace event API
+============================
In most cases, the command-line interface to trace events is more than
sufficient. Sometimes, however, applications might find the need for
@@ -560,8 +560,8 @@ following:
- tracing synthetic events from in-kernel code
- the low-level "dynevent_cmd" API
-6.3.1 Dyamically creating synthetic event definitions
------------------------------------------------------
+7.1 Dyamically creating synthetic event definitions
+---------------------------------------------------
There are a couple ways to create a new synthetic event from a kernel
module or other kernel code.
@@ -666,8 +666,8 @@ registered by calling the synth_event_gen_cmd_end() function::
At this point, the event object is ready to be used for tracing new
events.
-6.3.3 Tracing synthetic events from in-kernel code
---------------------------------------------------
+7.2 Tracing synthetic events from in-kernel code
+------------------------------------------------
To trace a synthetic event, there are several options. The first
option is to trace the event in one call, using synth_event_trace()
@@ -678,8 +678,8 @@ synth_event_trace_start() and synth_event_trace_end() along with
synth_event_add_next_val() or synth_event_add_val() to add the values
piecewise.
-6.3.3.1 Tracing a synthetic event all at once
----------------------------------------------
+7.2.1 Tracing a synthetic event all at once
+-------------------------------------------
To trace a synthetic event all at once, the synth_event_trace() or
synth_event_trace_array() functions can be used.
@@ -780,8 +780,8 @@ remove the event::
ret = synth_event_delete("schedtest");
-6.3.3.1 Tracing a synthetic event piecewise
--------------------------------------------
+7.2.2 Tracing a synthetic event piecewise
+-----------------------------------------
To trace a synthetic using the piecewise method described above, the
synth_event_trace_start() function is used to 'open' the synthetic
@@ -864,8 +864,8 @@ Note that synth_event_trace_end() must be called at the end regardless
of whether any of the add calls failed (say due to a bad field name
being passed in).
-6.3.4 Dyamically creating kprobe and kretprobe event definitions
-----------------------------------------------------------------
+7.3 Dyamically creating kprobe and kretprobe event definitions
+--------------------------------------------------------------
To create a kprobe or kretprobe trace event from kernel code, the
kprobe_event_gen_cmd_start() or kretprobe_event_gen_cmd_start()
@@ -941,8 +941,8 @@ used to give the kprobe event file back and delete the event::
ret = kprobe_event_delete("gen_kprobe_test");
-6.3.4 The "dynevent_cmd" low-level API
---------------------------------------
+7.4 The "dynevent_cmd" low-level API
+------------------------------------
Both the in-kernel synthetic event and kprobe interfaces are built on
top of a lower-level "dynevent_cmd" interface. This interface is
diff --git a/Documentation/trace/ftrace-design.rst b/Documentation/trace/ftrace-design.rst
index a8e22e0db63c..6893399157f0 100644
--- a/Documentation/trace/ftrace-design.rst
+++ b/Documentation/trace/ftrace-design.rst
@@ -229,14 +229,6 @@ Adding support for it is easy: just define the macro in asm/ftrace.h and
pass the return address pointer as the 'retp' argument to
ftrace_push_return_trace().
-HAVE_FTRACE_NMI_ENTER
----------------------
-
-If you can't trace NMI functions, then skip this option.
-
-<details to be filled>
-
-
HAVE_SYSCALL_TRACEPOINTS
------------------------
diff --git a/Documentation/translations/it_IT/doc-guide/kernel-doc.rst b/Documentation/translations/it_IT/doc-guide/kernel-doc.rst
index a4ecd8f27631..524ad86cadbb 100644
--- a/Documentation/translations/it_IT/doc-guide/kernel-doc.rst
+++ b/Documentation/translations/it_IT/doc-guide/kernel-doc.rst
@@ -515,6 +515,22 @@ internal: *[source-pattern ...]*
.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
:internal:
+identifiers: *[ function/type ...]*
+ Include la documentazione per ogni *function* e *type* in *source*.
+ Se non vengono esplicitamente specificate le funzioni da includere, allora
+ verranno incluse tutte quelle disponibili in *source*.
+
+ Esempi::
+
+ .. kernel-doc:: lib/bitmap.c
+ :identifiers: bitmap_parselist bitmap_parselist_user
+
+ .. kernel-doc:: lib/idr.c
+ :identifiers:
+
+functions: *[ function ...]*
+ Questo è uno pseudonimo, deprecato, per la direttiva 'identifiers'.
+
doc: *title*
Include la documentazione del paragrafo ``DOC:`` identificato dal titolo
(*title*) all'interno del file sorgente (*source*). Gli spazi in *title* sono
@@ -528,15 +544,6 @@ doc: *title*
.. kernel-doc:: drivers/gpu/drm/i915/intel_audio.c
:doc: High Definition Audio over HDMI and Display Port
-functions: *function* *[...]*
- Dal file sorgente (*source*) include la documentazione per le funzioni
- elencate (*function*).
-
- Esempio::
-
- .. kernel-doc:: lib/bitmap.c
- :functions: bitmap_parselist bitmap_parselist_user
-
Senza alcuna opzione, la direttiva kernel-doc include tutti i commenti di
documentazione presenti nel file sorgente (*source*).
diff --git a/Documentation/translations/it_IT/kernel-hacking/hacking.rst b/Documentation/translations/it_IT/kernel-hacking/hacking.rst
index 24c592852bf1..6aab27a8d323 100644
--- a/Documentation/translations/it_IT/kernel-hacking/hacking.rst
+++ b/Documentation/translations/it_IT/kernel-hacking/hacking.rst
@@ -627,6 +627,24 @@ Alcuni manutentori e sviluppatori potrebbero comunque richiedere
:c:func:`EXPORT_SYMBOL_GPL()` quando si aggiungono nuove funzionalità o
interfacce.
+:c:func:`EXPORT_SYMBOL_NS()`
+----------------------------
+
+Definita in ``include/linux/export.h``
+
+Questa è una variate di `EXPORT_SYMBOL()` che permette di specificare uno
+spazio dei nomi. Lo spazio dei nomi è documentato in
+:doc:`../core-api/symbol-namespaces`
+
+:c:func:`EXPORT_SYMBOL_NS_GPL()`
+--------------------------------
+
+Definita in ``include/linux/export.h``
+
+Questa è una variate di `EXPORT_SYMBOL_GPL()` che permette di specificare uno
+spazio dei nomi. Lo spazio dei nomi è documentato in
+:doc:`../core-api/symbol-namespaces`
+
Procedure e convenzioni
=======================
diff --git a/Documentation/translations/it_IT/kernel-hacking/locking.rst b/Documentation/translations/it_IT/kernel-hacking/locking.rst
index b9a6be4b8499..4615df5723fb 100644
--- a/Documentation/translations/it_IT/kernel-hacking/locking.rst
+++ b/Documentation/translations/it_IT/kernel-hacking/locking.rst
@@ -159,17 +159,17 @@ Sincronizzazione in contesto utente
Se avete una struttura dati che verrà utilizzata solo dal contesto utente,
allora, per proteggerla, potete utilizzare un semplice mutex
(``include/linux/mutex.h``). Questo è il caso più semplice: inizializzate il
-mutex; invocate :c:func:`mutex_lock_interruptible()` per trattenerlo e
-:c:func:`mutex_unlock()` per rilasciarlo. C'è anche :c:func:`mutex_lock()`
+mutex; invocate mutex_lock_interruptible() per trattenerlo e
+mutex_unlock() per rilasciarlo. C'è anche mutex_lock()
ma questa dovrebbe essere evitata perché non ritorna in caso di segnali.
Per esempio: ``net/netfilter/nf_sockopt.c`` permette la registrazione
-di nuove chiamate per :c:func:`setsockopt()` e :c:func:`getsockopt()`
-usando la funzione :c:func:`nf_register_sockopt()`. La registrazione e
+di nuove chiamate per setsockopt() e getsockopt()
+usando la funzione nf_register_sockopt(). La registrazione e
la rimozione vengono eseguite solamente quando il modulo viene caricato
o scaricato (e durante l'avvio del sistema, qui non abbiamo concorrenza),
e la lista delle funzioni registrate viene consultata solamente quando
-:c:func:`setsockopt()` o :c:func:`getsockopt()` sono sconosciute al sistema.
+setsockopt() o getsockopt() sono sconosciute al sistema.
In questo caso ``nf_sockopt_mutex`` è perfetto allo scopo, in particolar modo
visto che setsockopt e getsockopt potrebbero dormire.
@@ -179,19 +179,19 @@ Sincronizzazione fra il contesto utente e i softirq
Se un softirq condivide dati col contesto utente, avete due problemi.
Primo, il contesto utente corrente potrebbe essere interroto da un softirq,
e secondo, la sezione critica potrebbe essere eseguita da un altro
-processore. Questo è quando :c:func:`spin_lock_bh()`
+processore. Questo è quando spin_lock_bh()
(``include/linux/spinlock.h``) viene utilizzato. Questo disabilita i softirq
-sul processore e trattiene il *lock*. Invece, :c:func:`spin_unlock_bh()` fa
+sul processore e trattiene il *lock*. Invece, spin_unlock_bh() fa
l'opposto. (Il suffisso '_bh' è un residuo storico che fa riferimento al
"Bottom Halves", il vecchio nome delle interruzioni software. In un mondo
perfetto questa funzione si chiamerebbe 'spin_lock_softirq()').
-Da notare che in questo caso potete utilizzare anche :c:func:`spin_lock_irq()`
-o :c:func:`spin_lock_irqsave()`, queste fermano anche le interruzioni hardware:
+Da notare che in questo caso potete utilizzare anche spin_lock_irq()
+o spin_lock_irqsave(), queste fermano anche le interruzioni hardware:
vedere :ref:`Contesto di interruzione hardware <it_hardirq-context>`.
Questo funziona alla perfezione anche sui sistemi monoprocessore: gli spinlock
-svaniscono e questa macro diventa semplicemente :c:func:`local_bh_disable()`
+svaniscono e questa macro diventa semplicemente local_bh_disable()
(``include/linux/interrupt.h``), la quale impedisce ai softirq d'essere
eseguiti.
@@ -224,8 +224,8 @@ Differenti tasklet/timer
~~~~~~~~~~~~~~~~~~~~~~~~
Se un altro tasklet/timer vuole condividere dati col vostro tasklet o timer,
-allora avrete bisogno entrambe di :c:func:`spin_lock()` e
-:c:func:`spin_unlock()`. Qui :c:func:`spin_lock_bh()` è inutile, siete già
+allora avrete bisogno entrambe di spin_lock() e
+spin_unlock(). Qui spin_lock_bh() è inutile, siete già
in un tasklet ed avete la garanzia che nessun altro verrà eseguito sullo
stesso processore.
@@ -243,13 +243,13 @@ processore (vedere :ref:`Dati per processore <it_per-cpu>`). Se siete arrivati
fino a questo punto nell'uso dei softirq, probabilmente tenete alla scalabilità
delle prestazioni abbastanza da giustificarne la complessità aggiuntiva.
-Dovete utilizzare :c:func:`spin_lock()` e :c:func:`spin_unlock()` per
+Dovete utilizzare spin_lock() e spin_unlock() per
proteggere i dati condivisi.
Diversi Softirqs
~~~~~~~~~~~~~~~~
-Dovete utilizzare :c:func:`spin_lock()` e :c:func:`spin_unlock()` per
+Dovete utilizzare spin_lock() e spin_unlock() per
proteggere i dati condivisi, che siano timer, tasklet, diversi softirq o
lo stesso o altri softirq: uno qualsiasi di essi potrebbe essere in esecuzione
su un diverso processore.
@@ -270,40 +270,40 @@ Se un gestore di interruzioni hardware condivide dati con un softirq, allora
avrete due preoccupazioni. Primo, il softirq può essere interrotto da
un'interruzione hardware, e secondo, la sezione critica potrebbe essere
eseguita da un'interruzione hardware su un processore diverso. Questo è il caso
-dove :c:func:`spin_lock_irq()` viene utilizzato. Disabilita le interruzioni
-sul processore che l'esegue, poi trattiene il lock. :c:func:`spin_unlock_irq()`
+dove spin_lock_irq() viene utilizzato. Disabilita le interruzioni
+sul processore che l'esegue, poi trattiene il lock. spin_unlock_irq()
fa l'opposto.
-Il gestore d'interruzione hardware non usa :c:func:`spin_lock_irq()` perché
-i softirq non possono essere eseguiti quando il gestore d'interruzione hardware
-è in esecuzione: per questo si può usare :c:func:`spin_lock()`, che è un po'
+Il gestore d'interruzione hardware non ha bisogno di usare spin_lock_irq()
+perché i softirq non possono essere eseguiti quando il gestore d'interruzione
+hardware è in esecuzione: per questo si può usare spin_lock(), che è un po'
più veloce. L'unica eccezione è quando un altro gestore d'interruzioni
-hardware utilizza lo stesso *lock*: :c:func:`spin_lock_irq()` impedirà a questo
+hardware utilizza lo stesso *lock*: spin_lock_irq() impedirà a questo
secondo gestore di interrompere quello in esecuzione.
Questo funziona alla perfezione anche sui sistemi monoprocessore: gli spinlock
-svaniscono e questa macro diventa semplicemente :c:func:`local_irq_disable()`
+svaniscono e questa macro diventa semplicemente local_irq_disable()
(``include/asm/smp.h``), la quale impedisce a softirq/tasklet/BH d'essere
eseguiti.
-:c:func:`spin_lock_irqsave()` (``include/linux/spinlock.h``) è una variante che
+spin_lock_irqsave() (``include/linux/spinlock.h``) è una variante che
salva lo stato delle interruzioni in una variabile, questa verrà poi passata
-a :c:func:`spin_unlock_irqrestore()`. Questo significa che lo stesso codice
+a spin_unlock_irqrestore(). Questo significa che lo stesso codice
potrà essere utilizzato in un'interruzione hardware (dove le interruzioni sono
già disabilitate) e in un softirq (dove la disabilitazione delle interruzioni
è richiesta).
Da notare che i softirq (e quindi tasklet e timer) sono eseguiti al ritorno
-da un'interruzione hardware, quindi :c:func:`spin_lock_irq()` interrompe
+da un'interruzione hardware, quindi spin_lock_irq() interrompe
anche questi. Tenuto conto di questo si può dire che
-:c:func:`spin_lock_irqsave()` è la funzione di sincronizzazione più generica
+spin_lock_irqsave() è la funzione di sincronizzazione più generica
e potente.
Sincronizzazione fra due gestori d'interruzioni hardware
--------------------------------------------------------
Condividere dati fra due gestori di interruzione hardware è molto raro, ma se
-succede, dovreste usare :c:func:`spin_lock_irqsave()`: è una specificità
+succede, dovreste usare spin_lock_irqsave(): è una specificità
dell'architettura il fatto che tutte le interruzioni vengano interrotte
quando si eseguono di gestori di interruzioni.
@@ -317,11 +317,11 @@ Pete Zaitcev ci offre il seguente riassunto:
il mutex e dormire (``copy_from_user*(`` o ``kmalloc(x,GFP_KERNEL)``).
- Altrimenti (== i dati possono essere manipolati da un'interruzione) usate
- :c:func:`spin_lock_irqsave()` e :c:func:`spin_unlock_irqrestore()`.
+ spin_lock_irqsave() e spin_unlock_irqrestore().
- Evitate di trattenere uno spinlock per più di 5 righe di codice incluse
le chiamate a funzione (ad eccezione di quell per l'accesso come
- :c:func:`readb()`).
+ readb()).
Tabella dei requisiti minimi
----------------------------
@@ -334,7 +334,7 @@ processore alla volta, ma se deve condividere dati con un altro thread, allora
la sincronizzazione è necessaria).
Ricordatevi il suggerimento qui sopra: potete sempre usare
-:c:func:`spin_lock_irqsave()`, che è un sovrainsieme di tutte le altre funzioni
+spin_lock_irqsave(), che è un sovrainsieme di tutte le altre funzioni
per spinlock.
============== ============= ============= ========= ========= ========= ========= ======= ======= ============== ==============
@@ -378,13 +378,13 @@ protetti dal *lock* quando qualche altro thread lo sta già facendo
trattenendo il *lock*. Potrete acquisire il *lock* più tardi se vi
serve accedere ai dati protetti da questo *lock*.
-La funzione :c:func:`spin_trylock()` non ritenta di acquisire il *lock*,
+La funzione spin_trylock() non ritenta di acquisire il *lock*,
se ci riesce al primo colpo ritorna un valore diverso da zero, altrimenti
se fallisce ritorna 0. Questa funzione può essere utilizzata in un qualunque
-contesto, ma come :c:func:`spin_lock()`: dovete disabilitare i contesti che
+contesto, ma come spin_lock(): dovete disabilitare i contesti che
potrebbero interrompervi e quindi trattenere lo spinlock.
-La funzione :c:func:`mutex_trylock()` invece di sospendere il vostro processo
+La funzione mutex_trylock() invece di sospendere il vostro processo
ritorna un valore diverso da zero se è possibile trattenere il lock al primo
colpo, altrimenti se fallisce ritorna 0. Nonostante non dorma, questa funzione
non può essere usata in modo sicuro in contesti di interruzione hardware o
@@ -506,7 +506,7 @@ della memoria che il suo contenuto sono protetti dal *lock*. Questo
caso è semplice dato che copiamo i dati dall'utente e non permettiamo
mai loro di accedere direttamente agli oggetti.
-C'è una piccola ottimizzazione qui: nella funzione :c:func:`cache_add()`
+C'è una piccola ottimizzazione qui: nella funzione cache_add()
impostiamo i campi dell'oggetto prima di acquisire il *lock*. Questo è
sicuro perché nessun altro potrà accedervi finché non lo inseriremo
nella memoria.
@@ -514,7 +514,7 @@ nella memoria.
Accesso dal contesto utente
---------------------------
-Ora consideriamo il caso in cui :c:func:`cache_find()` può essere invocata
+Ora consideriamo il caso in cui cache_find() può essere invocata
dal contesto d'interruzione: sia hardware che software. Un esempio potrebbe
essere un timer che elimina oggetti dalla memoria.
@@ -583,15 +583,15 @@ sono quelle rimosse, mentre quelle ``+`` sono quelle aggiunte.
return ret;
}
-Da notare che :c:func:`spin_lock_irqsave()` disabiliterà le interruzioni
+Da notare che spin_lock_irqsave() disabiliterà le interruzioni
se erano attive, altrimenti non farà niente (quando siamo già in un contesto
d'interruzione); dunque queste funzioni possono essere chiamante in
sicurezza da qualsiasi contesto.
-Sfortunatamente, :c:func:`cache_add()` invoca :c:func:`kmalloc()` con
+Sfortunatamente, cache_add() invoca kmalloc() con
l'opzione ``GFP_KERNEL`` che è permessa solo in contesto utente. Ho supposto
-che :c:func:`cache_add()` venga chiamata dal contesto utente, altrimenti
-questa opzione deve diventare un parametro di :c:func:`cache_add()`.
+che cache_add() venga chiamata dal contesto utente, altrimenti
+questa opzione deve diventare un parametro di cache_add().
Esporre gli oggetti al di fuori del file
----------------------------------------
@@ -610,7 +610,7 @@ Il secondo problema è il problema del ciclo di vita: se un'altra struttura
mantiene un puntatore ad un oggetto, presumibilmente si aspetta che questo
puntatore rimanga valido. Sfortunatamente, questo è garantito solo mentre
si trattiene il *lock*, altrimenti qualcuno potrebbe chiamare
-:c:func:`cache_delete()` o peggio, aggiungere un oggetto che riutilizza lo
+cache_delete() o peggio, aggiungere un oggetto che riutilizza lo
stesso indirizzo.
Dato che c'è un solo *lock*, non potete trattenerlo a vita: altrimenti
@@ -710,9 +710,9 @@ Ecco il codice::
}
Abbiamo incapsulato il contatore di riferimenti nelle tipiche funzioni
-di 'get' e 'put'. Ora possiamo ritornare l'oggetto da :c:func:`cache_find()`
+di 'get' e 'put'. Ora possiamo ritornare l'oggetto da cache_find()
col vantaggio che l'utente può dormire trattenendo l'oggetto (per esempio,
-:c:func:`copy_to_user()` per copiare il nome verso lo spazio utente).
+copy_to_user() per copiare il nome verso lo spazio utente).
Un altro punto da notare è che ho detto che il contatore dovrebbe incrementarsi
per ogni puntatore ad un oggetto: quindi il contatore di riferimenti è 1
@@ -727,8 +727,8 @@ Ci sono un certo numbero di operazioni atomiche definite
in ``include/asm/atomic.h``: queste sono garantite come atomiche su qualsiasi
processore del sistema, quindi non sono necessari i *lock*. In questo caso è
più semplice rispetto all'uso degli spinlock, benché l'uso degli spinlock
-sia più elegante per casi non banali. Le funzioni :c:func:`atomic_inc()` e
-:c:func:`atomic_dec_and_test()` vengono usate al posto dei tipici operatori di
+sia più elegante per casi non banali. Le funzioni atomic_inc() e
+atomic_dec_and_test() vengono usate al posto dei tipici operatori di
incremento e decremento, e i *lock* non sono più necessari per proteggere il
contatore stesso.
@@ -820,7 +820,7 @@ al nome di cambiare abbiamo tre possibilità:
- Si può togliere static da ``cache_lock`` e dire agli utenti che devono
trattenere il *lock* prima di modificare il nome di un oggetto.
-- Si può fornire una funzione :c:func:`cache_obj_rename()` che prende il
+- Si può fornire una funzione cache_obj_rename() che prende il
*lock* e cambia il nome per conto del chiamante; si dirà poi agli utenti
di usare questa funzione.
@@ -878,11 +878,11 @@ Da notare che ho deciso che il contatore di popolarità dovesse essere
protetto da ``cache_lock`` piuttosto che dal *lock* dell'oggetto; questo
perché è logicamente parte dell'infrastruttura (come
:c:type:`struct list_head <list_head>` nell'oggetto). In questo modo,
-in :c:func:`__cache_add()`, non ho bisogno di trattenere il *lock* di ogni
+in __cache_add(), non ho bisogno di trattenere il *lock* di ogni
oggetto mentre si cerca il meno popolare.
Ho anche deciso che il campo id è immutabile, quindi non ho bisogno di
-trattenere il lock dell'oggetto quando si usa :c:func:`__cache_find()`
+trattenere il lock dell'oggetto quando si usa __cache_find()
per leggere questo campo; il *lock* dell'oggetto è usato solo dal chiamante
che vuole leggere o scrivere il campo name.
@@ -907,7 +907,7 @@ Questo è facile da diagnosticare: non è uno di quei problemi che ti tengono
sveglio 5 notti a parlare da solo.
Un caso un pochino più complesso; immaginate d'avere una spazio condiviso
-fra un softirq ed il contesto utente. Se usate :c:func:`spin_lock()` per
+fra un softirq ed il contesto utente. Se usate spin_lock() per
proteggerlo, il contesto utente potrebbe essere interrotto da un softirq
mentre trattiene il lock, da qui il softirq rimarrà in attesa attiva provando
ad acquisire il *lock* già trattenuto nel contesto utente.
@@ -1006,12 +1006,12 @@ potreste fare come segue::
spin_unlock_bh(&list_lock);
Primo o poi, questo esploderà su un sistema multiprocessore perché un
-temporizzatore potrebbe essere già partiro prima di :c:func:`spin_lock_bh()`,
-e prenderà il *lock* solo dopo :c:func:`spin_unlock_bh()`, e cercherà
+temporizzatore potrebbe essere già partiro prima di spin_lock_bh(),
+e prenderà il *lock* solo dopo spin_unlock_bh(), e cercherà
di eliminare il suo oggetto (che però è già stato eliminato).
Questo può essere evitato controllando il valore di ritorno di
-:c:func:`del_timer()`: se ritorna 1, il temporizzatore è stato già
+del_timer(): se ritorna 1, il temporizzatore è stato già
rimosso. Se 0, significa (in questo caso) che il temporizzatore è in
esecuzione, quindi possiamo fare come segue::
@@ -1032,9 +1032,9 @@ esecuzione, quindi possiamo fare come segue::
spin_unlock_bh(&list_lock);
Un altro problema è l'eliminazione dei temporizzatori che si riavviano
-da soli (chiamando :c:func:`add_timer()` alla fine della loro esecuzione).
+da soli (chiamando add_timer() alla fine della loro esecuzione).
Dato che questo è un problema abbastanza comune con una propensione
-alle corse critiche, dovreste usare :c:func:`del_timer_sync()`
+alle corse critiche, dovreste usare del_timer_sync()
(``include/linux/timer.h``) per gestire questo caso. Questa ritorna il
numero di volte che il temporizzatore è stato interrotto prima che
fosse in grado di fermarlo senza che si riavviasse.
@@ -1116,7 +1116,7 @@ chiamata ``list``::
wmb();
list->next = new;
-La funzione :c:func:`wmb()` è una barriera di sincronizzazione delle
+La funzione wmb() è una barriera di sincronizzazione delle
scritture. Questa garantisce che la prima operazione (impostare l'elemento
``next`` del nuovo elemento) venga completata e vista da tutti i processori
prima che venga eseguita la seconda operazione (che sarebbe quella di mettere
@@ -1127,7 +1127,7 @@ completamente il nuovo elemento; oppure che lo vedano correttamente e quindi
il puntatore ``next`` deve puntare al resto della lista.
Fortunatamente, c'è una funzione che fa questa operazione sulle liste
-:c:type:`struct list_head <list_head>`: :c:func:`list_add_rcu()`
+:c:type:`struct list_head <list_head>`: list_add_rcu()
(``include/linux/list.h``).
Rimuovere un elemento dalla lista è anche più facile: sostituiamo il puntatore
@@ -1138,7 +1138,7 @@ l'elemento o lo salteranno.
list->next = old->next;
-La funzione :c:func:`list_del_rcu()` (``include/linux/list.h``) fa esattamente
+La funzione list_del_rcu() (``include/linux/list.h``) fa esattamente
questo (la versione normale corrompe il vecchio oggetto, e non vogliamo che
accada).
@@ -1146,9 +1146,9 @@ Anche i lettori devono stare attenti: alcuni processori potrebbero leggere
attraverso il puntatore ``next`` il contenuto dell'elemento successivo
troppo presto, ma non accorgersi che il contenuto caricato è sbagliato quando
il puntatore ``next`` viene modificato alla loro spalle. Ancora una volta
-c'è una funzione che viene in vostro aiuto :c:func:`list_for_each_entry_rcu()`
+c'è una funzione che viene in vostro aiuto list_for_each_entry_rcu()
(``include/linux/list.h``). Ovviamente, gli scrittori possono usare
-:c:func:`list_for_each_entry()` dato che non ci possono essere due scrittori
+list_for_each_entry() dato che non ci possono essere due scrittori
in contemporanea.
Il nostro ultimo dilemma è il seguente: quando possiamo realmente distruggere
@@ -1156,15 +1156,15 @@ l'elemento rimosso? Ricordate, un lettore potrebbe aver avuto accesso a questo
elemento proprio ora: se eliminiamo questo elemento ed il puntatore ``next``
cambia, il lettore salterà direttamente nella spazzatura e scoppierà. Dobbiamo
aspettare finché tutti i lettori che stanno attraversando la lista abbiano
-finito. Utilizziamo :c:func:`call_rcu()` per registrare una funzione di
+finito. Utilizziamo call_rcu() per registrare una funzione di
richiamo che distrugga l'oggetto quando tutti i lettori correnti hanno
terminato. In alternative, potrebbe essere usata la funzione
-:c:func:`synchronize_rcu()` che blocca l'esecuzione finché tutti i lettori
+synchronize_rcu() che blocca l'esecuzione finché tutti i lettori
non terminano di ispezionare la lista.
Ma come fa l'RCU a sapere quando i lettori sono finiti? Il meccanismo è
il seguente: innanzi tutto i lettori accedono alla lista solo fra la coppia
-:c:func:`rcu_read_lock()`/:c:func:`rcu_read_unlock()` che disabilita la
+rcu_read_lock()/rcu_read_unlock() che disabilita la
prelazione così che i lettori non vengano sospesi mentre stanno leggendo
la lista.
@@ -1253,12 +1253,12 @@ codice RCU è un po' più ottimizzato di così, ma questa è l'idea di fondo.
}
Da notare che i lettori modificano il campo popularity nella funzione
-:c:func:`__cache_find()`, e ora non trattiene alcun *lock*. Una soluzione
+__cache_find(), e ora non trattiene alcun *lock*. Una soluzione
potrebbe essere quella di rendere la variabile ``atomic_t``, ma per l'uso
che ne abbiamo fatto qui, non ci interessano queste corse critiche perché un
risultato approssimativo è comunque accettabile, quindi non l'ho cambiato.
-Il risultato è che la funzione :c:func:`cache_find()` non ha bisogno di alcuna
+Il risultato è che la funzione cache_find() non ha bisogno di alcuna
sincronizzazione con le altre funzioni, quindi è veloce su un sistema
multi-processore tanto quanto lo sarebbe su un sistema mono-processore.
@@ -1271,9 +1271,9 @@ riferimenti.
Ora, dato che il '*lock* di lettura' di un RCU non fa altro che disabilitare
la prelazione, un chiamante che ha sempre la prelazione disabilitata fra le
-chiamate :c:func:`cache_find()` e :c:func:`object_put()` non necessita
+chiamate cache_find() e object_put() non necessita
di incrementare e decrementare il contatore di riferimenti. Potremmo
-esporre la funzione :c:func:`__cache_find()` dichiarandola non-static,
+esporre la funzione __cache_find() dichiarandola non-static,
e quel chiamante potrebbe usare direttamente questa funzione.
Il beneficio qui sta nel fatto che il contatore di riferimenti no
@@ -1293,10 +1293,10 @@ singolo contatore. Facile e pulito.
Se questo dovesse essere troppo lento (solitamente non lo è, ma se avete
dimostrato che lo è devvero), potreste usare un contatore per ogni processore
e quindi non sarebbe più necessaria la mutua esclusione. Vedere
-:c:func:`DEFINE_PER_CPU()`, :c:func:`get_cpu_var()` e :c:func:`put_cpu_var()`
+DEFINE_PER_CPU(), get_cpu_var() e put_cpu_var()
(``include/linux/percpu.h``).
-Il tipo di dato ``local_t``, la funzione :c:func:`cpu_local_inc()` e tutte
+Il tipo di dato ``local_t``, la funzione cpu_local_inc() e tutte
le altre funzioni associate, sono di particolare utilità per semplici contatori
per-processore; su alcune architetture sono anche più efficienti
(``include/asm/local.h``).
@@ -1324,11 +1324,11 @@ da un'interruzione software. Il gestore d'interruzione non utilizza alcun
enable_irq(irq);
spin_unlock(&lock);
-La funzione :c:func:`disable_irq()` impedisce al gestore d'interruzioni
+La funzione disable_irq() impedisce al gestore d'interruzioni
d'essere eseguito (e aspetta che finisca nel caso fosse in esecuzione su
un altro processore). Lo spinlock, invece, previene accessi simultanei.
Naturalmente, questo è più lento della semplice chiamata
-:c:func:`spin_lock_irq()`, quindi ha senso solo se questo genere di accesso
+spin_lock_irq(), quindi ha senso solo se questo genere di accesso
è estremamente raro.
.. _`it_sleeping-things`:
@@ -1336,7 +1336,7 @@ Naturalmente, questo è più lento della semplice chiamata
Quali funzioni possono essere chiamate in modo sicuro dalle interruzioni?
=========================================================================
-Molte funzioni del kernel dormono (in sostanza, chiamano ``schedule()``)
+Molte funzioni del kernel dormono (in sostanza, chiamano schedule())
direttamente od indirettamente: non potete chiamarle se trattenere uno
spinlock o avete la prelazione disabilitata, mai. Questo significa che
dovete necessariamente essere nel contesto utente: chiamarle da un
@@ -1354,23 +1354,23 @@ dormire.
- Accessi allo spazio utente:
- - :c:func:`copy_from_user()`
+ - copy_from_user()
- - :c:func:`copy_to_user()`
+ - copy_to_user()
- - :c:func:`get_user()`
+ - get_user()
- - :c:func:`put_user()`
+ - put_user()
-- :c:func:`kmalloc(GFP_KERNEL) <kmalloc>`
+- kmalloc(GFP_KERNEL) <kmalloc>`
-- :c:func:`mutex_lock_interruptible()` and
- :c:func:`mutex_lock()`
+- mutex_lock_interruptible() and
+ mutex_lock()
- C'è anche :c:func:`mutex_trylock()` che però non dorme.
+ C'è anche mutex_trylock() che però non dorme.
Comunque, non deve essere usata in un contesto d'interruzione dato
che la sua implementazione non è sicura in quel contesto.
- Anche :c:func:`mutex_unlock()` non dorme mai. Non può comunque essere
+ Anche mutex_unlock() non dorme mai. Non può comunque essere
usata in un contesto d'interruzione perché un mutex deve essere rilasciato
dallo stesso processo che l'ha acquisito.
@@ -1380,11 +1380,11 @@ Alcune funzioni che non dormono
Alcune funzioni possono essere chiamate tranquillamente da qualsiasi
contesto, o trattenendo un qualsiasi *lock*.
-- :c:func:`printk()`
+- printk()
-- :c:func:`kfree()`
+- kfree()
-- :c:func:`add_timer()` e :c:func:`del_timer()`
+- add_timer() e del_timer()
Riferimento per l'API dei Mutex
===============================
@@ -1444,14 +1444,14 @@ prelazione
bh
Bottom Half: per ragioni storiche, le funzioni che contengono '_bh' nel
loro nome ora si riferiscono a qualsiasi interruzione software; per esempio,
- :c:func:`spin_lock_bh()` blocca qualsiasi interuzione software sul processore
+ spin_lock_bh() blocca qualsiasi interuzione software sul processore
corrente. I *Bottom Halves* sono deprecati, e probabilmente verranno
sostituiti dai tasklet. In un dato momento potrà esserci solo un
*bottom half* in esecuzione.
contesto d'interruzione
Non è il contesto utente: qui si processano le interruzioni hardware e
- software. La macro :c:func:`in_interrupt()` ritorna vero.
+ software. La macro in_interrupt() ritorna vero.
contesto utente
Il kernel che esegue qualcosa per conto di un particolare processo (per
@@ -1461,12 +1461,12 @@ contesto utente
che hardware.
interruzione hardware
- Richiesta di interruzione hardware. :c:func:`in_irq()` ritorna vero in un
+ Richiesta di interruzione hardware. in_irq() ritorna vero in un
gestore d'interruzioni hardware.
interruzione software / softirq
- Gestore di interruzioni software: :c:func:`in_irq()` ritorna falso;
- :c:func:`in_softirq()` ritorna vero. I tasklet e le softirq sono entrambi
+ Gestore di interruzioni software: in_irq() ritorna falso;
+ in_softirq() ritorna vero. I tasklet e le softirq sono entrambi
considerati 'interruzioni software'.
In soldoni, un softirq è uno delle 32 interruzioni software che possono
diff --git a/Documentation/translations/it_IT/process/2.Process.rst b/Documentation/translations/it_IT/process/2.Process.rst
index 9af4d01617c4..30dc172f06b0 100644
--- a/Documentation/translations/it_IT/process/2.Process.rst
+++ b/Documentation/translations/it_IT/process/2.Process.rst
@@ -23,18 +23,18 @@ ogni due o tre mesi viene effettuata un rilascio importante del kernel.
I rilasci più recenti sono stati:
====== =================
- 4.11 Aprile 30, 2017
- 4.12 Luglio 2, 2017
- 4.13 Settembre 3, 2017
- 4.14 Novembre 12, 2017
- 4.15 Gennaio 28, 2018
- 4.16 Aprile 1, 2018
+ 5.0 3 marzo, 2019
+ 5.1 5 maggio, 2019
+ 5.2 7 luglio, 2019
+ 5.3 15 settembre, 2019
+ 5.4 24 novembre, 2019
+ 5.5 6 gennaio, 2020
====== =================
-Ciascun rilascio 4.x è un importante rilascio del kernel con nuove
+Ciascun rilascio 5.x è un importante rilascio del kernel con nuove
funzionalità, modifiche interne dell'API, e molto altro. Un tipico
-rilascio 4.x contiene quasi 13,000 gruppi di modifiche con ulteriori
-modifiche a parecchie migliaia di linee di codice. La 4.x. è pertanto la
+rilascio contiene quasi 13,000 gruppi di modifiche con ulteriori
+modifiche a parecchie migliaia di linee di codice. La 5.x. è pertanto la
linea di confine nello sviluppo del kernel Linux; il kernel utilizza un sistema
di sviluppo continuo che integra costantemente nuove importanti modifiche.
@@ -55,8 +55,8 @@ verrà descritto dettagliatamente più avanti).
La finestra di inclusione resta attiva approssimativamente per due settimane.
Al termine di questo periodo, Linus Torvald dichiarerà che la finestra è
chiusa e rilascerà il primo degli "rc" del kernel.
-Per il kernel che è destinato ad essere 2.6.40, per esempio, il rilascio
-che emerge al termine della finestra d'inclusione si chiamerà 2.6.40-rc1.
+Per il kernel che è destinato ad essere 5.6, per esempio, il rilascio
+che emerge al termine della finestra d'inclusione si chiamerà 5.6-rc1.
Questo rilascio indica che il momento di aggiungere nuovi componenti è
passato, e che è iniziato il periodo di stabilizzazione del prossimo kernel.
@@ -76,22 +76,23 @@ Mentre le correzioni si aprono la loro strada all'interno del ramo principale,
il ritmo delle modifiche rallenta col tempo. Linus rilascia un nuovo
kernel -rc circa una volta alla settimana; e ne usciranno circa 6 o 9 prima
che il kernel venga considerato sufficientemente stabile e che il rilascio
-finale 2.6.x venga fatto. A quel punto tutto il processo ricomincerà.
+finale venga fatto. A quel punto tutto il processo ricomincerà.
-Esempio: ecco com'è andato il ciclo di sviluppo della versione 4.16
+Esempio: ecco com'è andato il ciclo di sviluppo della versione 5.4
(tutte le date si collocano nel 2018)
============== =======================================
- Gennaio 28 4.15 rilascio stabile
- Febbraio 11 4.16-rc1, finestra di inclusione chiusa
- Febbraio 18 4.16-rc2
- Febbraio 25 4.16-rc3
- Marzo 4 4.16-rc4
- Marzo 11 4.16-rc5
- Marzo 18 4.16-rc6
- Marzo 25 4.16-rc7
- Aprile 1 4.17 rilascio stabile
+ 15 settembre 5.3 rilascio stabile
+ 30 settembre 5.4-rc1, finestra di inclusione chiusa
+ 6 ottobre 5.4-rc2
+ 13 ottobre 5.4-rc3
+ 20 ottobre 5.4-rc4
+ 27 ottobre 5.4-rc5
+ 3 novembre 5.4-rc6
+ 10 novembre 5.4-rc7
+ 17 novembre 5.4-rc8
+ 24 novembre 5.4 rilascio stabile
============== =======================================
In che modo gli sviluppatori decidono quando chiudere il ciclo di sviluppo e
@@ -108,43 +109,44 @@ tipo di perfezione difficilmente viene raggiunta; esistono troppe variabili
in un progetto di questa portata. Arriva un punto dove ritardare il rilascio
finale peggiora la situazione; la quantità di modifiche in attesa della
prossima finestra di inclusione crescerà enormemente, creando ancor più
-regressioni al giro successivo. Quindi molti kernel 4.x escono con una
+regressioni al giro successivo. Quindi molti kernel 5.x escono con una
manciata di regressioni delle quali, si spera, nessuna è grave.
Una volta che un rilascio stabile è fatto, il suo costante mantenimento è
affidato al "squadra stabilità", attualmente composta da Greg Kroah-Hartman.
Questa squadra rilascia occasionalmente degli aggiornamenti relativi al
-rilascio stabile usando la numerazione 4.x.y. Per essere presa in
+rilascio stabile usando la numerazione 5.x.y. Per essere presa in
considerazione per un rilascio d'aggiornamento, una modifica deve:
(1) correggere un baco importante (2) essere già inserita nel ramo principale
per il prossimo sviluppo del kernel. Solitamente, passato il loro rilascio
iniziale, i kernel ricevono aggiornamenti per più di un ciclo di sviluppo.
-Quindi, per esempio, la storia del kernel 4.13 appare così:
+Quindi, per esempio, la storia del kernel 5.2 appare così (anno 2019):
============== ===============================
- Settembre 3 4.13 rilascio stabile
- Settembre 13 4.13.1
- Settembre 20 4.13.2
- Settembre 27 4.13.3
- Ottobre 5 4.13.4
- Ottobre 12 4.13.5
+ 15 settembre 5.2 rilascio stabile FIXME settembre è sbagliato
+ 14 luglio 5.2.1
+ 21 luglio 5.2.2
+ 26 luglio 5.2.3
+ 28 luglio 5.2.4
+ 31 luglio 5.2.5
... ...
- Novembre 24 4.13.16
+ 11 ottobre 5.2.21
============== ===============================
-La 4.13.16 fu l'aggiornamento finale per la versione 4.13.
+La 5.2.21 fu l'aggiornamento finale per la versione 5.2.
Alcuni kernel sono destinati ad essere kernel a "lungo termine"; questi
riceveranno assistenza per un lungo periodo di tempo. Al momento in cui
scriviamo, i manutentori dei kernel stabili a lungo termine sono:
- ====== ====================== ==========================================
- 3.16 Ben Hutchings (kernel stabile molto più a lungo termine)
- 4.1 Sasha Levin
- 4.4 Greg Kroah-Hartman (kernel stabile molto più a lungo termine)
- 4.9 Greg Kroah-Hartman
- 4.14 Greg Kroah-Hartman
- ====== ====================== ==========================================
+ ====== ================================ ==========================================
+ 3.16 Ben Hutchings (kernel stabile molto più a lungo termine)
+ 4.4 Greg Kroah-Hartman e Sasha Levin (kernel stabile molto più a lungo termine)
+ 4.9 Greg Kroah-Hartman e Sasha Levin
+ 4.14 Greg Kroah-Hartman e Sasha Levin
+ 4.19 Greg Kroah-Hartman e Sasha Levin
+ 5.4i Greg Kroah-Hartman e Sasha Levin
+ ====== ================================ ==========================================
Questa selezione di kernel di lungo periodo sono puramente dovuti ai loro
@@ -229,12 +231,13 @@ Come le modifiche finiscono nel Kernel
--------------------------------------
Esiste una sola persona che può inserire le patch nel repositorio principale
-del kernel: Linus Torvalds. Ma, di tutte le 9500 patch che entrarono nella
-versione 2.6.38 del kernel, solo 112 (circa l'1,3%) furono scelte direttamente
-da Linus in persona. Il progetto del kernel è cresciuto fino a raggiungere
-una dimensione tale per cui un singolo sviluppatore non può controllare e
-selezionare indipendentemente ogni modifica senza essere supportato.
-La via scelta dagli sviluppatori per indirizzare tale crescita è stata quella
+del kernel: Linus Torvalds. Ma, per esempio, di tutte le 9500 patch
+che entrarono nella versione 2.6.38 del kernel, solo 112 (circa
+l'1,3%) furono scelte direttamente da Linus in persona. Il progetto
+del kernel è cresciuto fino a raggiungere una dimensione tale per cui
+un singolo sviluppatore non può controllare e selezionare
+indipendentemente ogni modifica senza essere supportato. La via
+scelta dagli sviluppatori per indirizzare tale crescita è stata quella
di utilizzare un sistema di "sottotenenti" basato sulla fiducia.
Il codice base del kernel è spezzato in una serie si sottosistemi: rete,
diff --git a/Documentation/translations/it_IT/process/adding-syscalls.rst b/Documentation/translations/it_IT/process/adding-syscalls.rst
index c3a3439595a6..bff0a82bf127 100644
--- a/Documentation/translations/it_IT/process/adding-syscalls.rst
+++ b/Documentation/translations/it_IT/process/adding-syscalls.rst
@@ -39,7 +39,7 @@ vostra interfaccia.
un qualche modo opaca.
- Se dovete esporre solo delle informazioni sul sistema, un nuovo nodo in
- sysfs (vedere ``Documentation/filesystems/sysfs.txt``) o
+ sysfs (vedere ``Documentation/filesystems/sysfs.rst``) o
in procfs potrebbe essere sufficiente. Tuttavia, l'accesso a questi
meccanismi richiede che il filesystem sia montato, il che potrebbe non
essere sempre vero (per esempio, in ambienti come namespace/sandbox/chroot).
diff --git a/Documentation/translations/it_IT/process/coding-style.rst b/Documentation/translations/it_IT/process/coding-style.rst
index 8725f2b9e960..6f4f85832dee 100644
--- a/Documentation/translations/it_IT/process/coding-style.rst
+++ b/Documentation/translations/it_IT/process/coding-style.rst
@@ -313,7 +313,7 @@ che conta gli utenti attivi, dovreste chiamarla ``count_active_users()`` o
qualcosa di simile, **non** dovreste chiamarla ``cntusr()``.
Codificare il tipo di funzione nel suo nome (quella cosa chiamata notazione
-ungherese) fa male al cervello - il compilatore conosce comunque il tipo e
+ungherese) è stupido - il compilatore conosce comunque il tipo e
può verificarli, e inoltre confonde i programmatori. Non c'è da
sorprendersi che MicroSoft faccia programmi bacati.
@@ -825,8 +825,8 @@ linguaggio assembler.
Agli sviluppatori del kernel piace essere visti come dotti. Tenete un occhio
di riguardo per l'ortografia e farete una belle figura. In inglese, evitate
-l'uso di parole mozzate come ``dont``: usate ``do not`` oppure ``don't``.
-Scrivete messaggi concisi, chiari, e inequivocabili.
+l'uso incorretto di abbreviazioni come ``dont``: usate ``do not`` oppure
+``don't``. Scrivete messaggi concisi, chiari, e inequivocabili.
I messaggi del kernel non devono terminare con un punto fermo.
diff --git a/Documentation/translations/it_IT/process/deprecated.rst b/Documentation/translations/it_IT/process/deprecated.rst
index 776f26732a94..e108eaf82cf6 100644
--- a/Documentation/translations/it_IT/process/deprecated.rst
+++ b/Documentation/translations/it_IT/process/deprecated.rst
@@ -34,6 +34,33 @@ interfaccia come 'vecchia', questa non è una soluzione completa. L'interfaccia
deve essere rimossa dal kernel, o aggiunta a questo documento per scoraggiarne
l'uso.
+BUG() e BUG_ON()
+----------------
+Al loro posto usate WARN() e WARN_ON() per gestire le
+condizioni "impossibili" e gestitele come se fosse possibile farlo.
+Nonostante le funzioni della famiglia BUG() siano state progettate
+per asserire "situazioni impossibili" e interrompere in sicurezza un
+thread del kernel, queste si sono rivelate essere troppo rischiose
+(per esempio, in quale ordine rilasciare i *lock*? Ci sono stati che
+sono stati ripristinati?). Molto spesso l'uso di BUG()
+destabilizza il sistema o lo corrompe del tutto, il che rende
+impossibile un'attività di debug o anche solo leggere un rapporto
+circa l'errore. Linus ha un'opinione molto critica al riguardo:
+`email 1
+<https://lore.kernel.org/lkml/CA+55aFy6jNLsywVYdGp83AMrXBo_P-pkjkphPGrO=82SPKCpLQ@mail.gmail.com/>`_,
+`email 2
+<https://lore.kernel.org/lkml/CAHk-=whDHsbK3HTOpTF=ue_o04onRwTEaK_ZoJp_fjbqq4+=Jw@mail.gmail.com/>`_
+
+Tenete presente che la famiglia di funzioni WARN() dovrebbe essere
+usato solo per situazioni che si suppone siano "impossibili". Se
+volete avvisare gli utenti riguardo a qualcosa di possibile anche se
+indesiderato, usare le funzioni della famiglia pr_warn(). Chi
+amministra il sistema potrebbe aver attivato l'opzione sysctl
+*panic_on_warn* per essere sicuri che il sistema smetta di funzionare
+in caso si verifichino delle condizioni "inaspettate". (per esempio,
+date un'occhiata al questo `commit
+<https://git.kernel.org/linus/d4689846881d160a4d12a514e991a740bcb5d65a>`_)
+
Calcoli codificati negli argomenti di un allocatore
----------------------------------------------------
Il calcolo dinamico delle dimensioni (specialmente le moltiplicazioni) non
@@ -68,52 +95,81 @@ Invece, usate la seguente funzione::
header = kzalloc(struct_size(header, item, count), GFP_KERNEL);
-Per maggiori dettagli fate riferimento a :c:func:`array_size`,
-:c:func:`array3_size`, e :c:func:`struct_size`, così come la famiglia di
-funzioni :c:func:`check_add_overflow` e :c:func:`check_mul_overflow`.
+Per maggiori dettagli fate riferimento a array_size(),
+array3_size(), e struct_size(), così come la famiglia di
+funzioni check_add_overflow() e check_mul_overflow().
simple_strtol(), simple_strtoll(), simple_strtoul(), simple_strtoull()
----------------------------------------------------------------------
-Le funzioni :c:func:`simple_strtol`, :c:func:`simple_strtoll`,
-:c:func:`simple_strtoul`, e :c:func:`simple_strtoull` ignorano volutamente
+Le funzioni simple_strtol(), simple_strtoll(),
+simple_strtoul(), e simple_strtoull() ignorano volutamente
i possibili overflow, e questo può portare il chiamante a generare risultati
-inaspettati. Le rispettive funzioni :c:func:`kstrtol`, :c:func:`kstrtoll`,
-:c:func:`kstrtoul`, e :c:func:`kstrtoull` sono da considerarsi le corrette
+inaspettati. Le rispettive funzioni kstrtol(), kstrtoll(),
+kstrtoul(), e kstrtoull() sono da considerarsi le corrette
sostitute; tuttavia va notato che queste richiedono che la stringa sia
terminata con il carattere NUL o quello di nuova riga.
strcpy()
--------
-La funzione :c:func:`strcpy` non fa controlli agli estremi del buffer
+La funzione strcpy() non fa controlli agli estremi del buffer
di destinazione. Questo può portare ad un overflow oltre i limiti del
buffer e generare svariati tipi di malfunzionamenti. Nonostante l'opzione
`CONFIG_FORTIFY_SOURCE=y` e svariate opzioni del compilatore aiutano
a ridurne il rischio, non c'è alcuna buona ragione per continuare ad usare
-questa funzione. La versione sicura da usare è :c:func:`strscpy`.
+questa funzione. La versione sicura da usare è strscpy().
strncpy() su stringe terminate con NUL
--------------------------------------
-L'utilizzo di :c:func:`strncpy` non fornisce alcuna garanzia sul fatto che
+L'utilizzo di strncpy() non fornisce alcuna garanzia sul fatto che
il buffer di destinazione verrà terminato con il carattere NUL. Questo
potrebbe portare a diversi overflow di lettura o altri malfunzionamenti
causati, appunto, dalla mancanza del terminatore. Questa estende la
terminazione nel buffer di destinazione quando la stringa d'origine è più
corta; questo potrebbe portare ad una penalizzazione delle prestazioni per
chi usa solo stringe terminate. La versione sicura da usare è
-:c:func:`strscpy`. (chi usa :c:func:`strscpy` e necessita di estendere la
-terminazione con NUL deve aggiungere una chiamata a :c:func:`memset`)
+strscpy(). (chi usa strscpy() e necessita di estendere la
+terminazione con NUL deve aggiungere una chiamata a memset())
-Se il chiamate no usa stringhe terminate con NUL, allore :c:func:`strncpy()`
+Se il chiamate no usa stringhe terminate con NUL, allore strncpy()()
può continuare ad essere usata, ma i buffer di destinazione devono essere
marchiati con l'attributo `__nonstring <https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html>`_
per evitare avvisi durante la compilazione.
strlcpy()
---------
-La funzione :c:func:`strlcpy`, per prima cosa, legge interamente il buffer di
+La funzione strlcpy(), per prima cosa, legge interamente il buffer di
origine, magari leggendo più di quanto verrà effettivamente copiato. Questo
è inefficiente e può portare a overflow di lettura quando la stringa non è
-terminata con NUL. La versione sicura da usare è :c:func:`strscpy`.
+terminata con NUL. La versione sicura da usare è strscpy().
+
+Segnaposto %p nella stringa di formato
+--------------------------------------
+
+Tradizionalmente, l'uso del segnaposto "%p" nella stringa di formato
+esponne un indirizzo di memoria in dmesg, proc, sysfs, eccetera. Per
+evitare che questi indirizzi vengano sfruttati da malintenzionati,
+tutto gli usi di "%p" nel kernel rappresentano l'hash dell'indirizzo,
+rendendolo di fatto inutilizzabile. Nuovi usi di "%p" non dovrebbero
+essere aggiunti al kernel. Per una rappresentazione testuale di un
+indirizzo usate "%pS", l'output è migliore perché mostrerà il nome del
+simbolo. Per tutto il resto, semplicemente non usate "%p".
+
+Parafrasando la `guida
+<https://lore.kernel.org/lkml/CA+55aFwQEd_d40g4mUCSsVRZzrFPUJt74vc6PPpb675hYNXcKw@mail.gmail.com/>`_
+di Linus:
+
+- Se il valore hash di "%p" è inutile, chiediti se il puntatore stesso
+ è importante. Forse dovrebbe essere rimosso del tutto?
+- Se credi davvero che il vero valore del puntatore sia importante,
+ perché alcuni stati del sistema o i livelli di privilegi di un
+ utente sono considerati "special"? Se pensi di poterlo giustificare
+ (in un commento e nel messaggio del commit) abbastanza bene da
+ affrontare il giudizio di Linus, allora forse potrai usare "%px",
+ assicurandosi anche di averne il permesso.
+
+Infine, sappi che un cambio in favore di "%p" con hash `non verrà
+accettato
+<https://lore.kernel.org/lkml/CA+55aFwieC1-nAs+NFq9RTwaR8ef9hWa4MjNBWL41F-8wM49eA@mail.gmail.com/>`_.
Vettori a dimensione variabile (VLA)
------------------------------------
@@ -127,3 +183,47 @@ Questo può portare a dei malfunzionamenti, potrebbe sovrascrivere
dati importanti alla fine dello stack (quando il kernel è compilato senza
`CONFIG_THREAD_INFO_IN_TASK=y`), o sovrascrivere un pezzo di memoria adiacente
allo stack (quando il kernel è compilato senza `CONFIG_VMAP_STACK=y`).
+
+Salto implicito nell'istruzione switch-case
+-------------------------------------------
+
+Il linguaggio C permette ai casi di un'istruzione `switch` di saltare al
+prossimo caso quando l'istruzione "break" viene omessa alla fine del caso
+corrente. Tuttavia questo rende il codice ambiguo perché non è sempre ovvio se
+l'istruzione "break" viene omessa intenzionalmente o è un baco. Per esempio,
+osservando il seguente pezzo di codice non è chiaro se lo stato
+`STATE_ONE` è stato progettato apposta per eseguire anche `STATE_TWO`::
+
+ switch (value) {
+ case STATE_ONE:
+ do_something();
+ case STATE_TWO:
+ do_other();
+ break;
+ default:
+ WARN("unknown state");
+ }
+
+Dato che c'è stata una lunga lista di problemi `dovuti alla mancanza dell'istruzione
+"break" <https://cwe.mitre.org/data/definitions/484.html>`_, oggigiorno non
+permettiamo più che vi sia un "salto implicito" (*fall-through*). Per
+identificare un salto implicito intenzionale abbiamo adottato la pseudo
+parola chiave 'fallthrough' che viene espansa nell'estensione di gcc
+`__attribute__((fallthrough))` `Statement Attributes
+<https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html>`_.
+(Quando la sintassi C17/C18 `[[fallthrough]]` sarà più comunemente
+supportata dai compilatori C, analizzatori statici, e dagli IDE,
+allora potremo usare quella sintassi per la pseudo parola chiave)
+
+Quando la sintassi [[fallthrough]] sarà più comunemente supportata dai
+compilatori, analizzatori statici, e ambienti di sviluppo IDE,
+allora potremo usarla anche noi.
+
+Ne consegue che tutti i blocchi switch/case devono finire in uno dei seguenti
+modi:
+
+* ``break;``
+* `fallthrough;``
+* ``continue;``
+* ``goto <label>;``
+* ``return [expression];``
diff --git a/Documentation/translations/it_IT/process/email-clients.rst b/Documentation/translations/it_IT/process/email-clients.rst
index 224ab031ffd3..89abf6d325f2 100644
--- a/Documentation/translations/it_IT/process/email-clients.rst
+++ b/Documentation/translations/it_IT/process/email-clients.rst
@@ -1,12 +1,334 @@
.. include:: ../disclaimer-ita.rst
-:Original: :ref:`Documentation/process/email-clients.rst <email_clients>`
-
-.. _it_email_clients:
+:Original: :doc:`../../../process/email-clients`
+:Translator: Alessia Mantegazza <amantegazza@vaga.pv.it>
Informazioni sui programmi di posta elettronica per Linux
=========================================================
-.. warning::
+Git
+---
+
+Oggigiorno, la maggior parte degli sviluppatori utilizza ``git send-email``
+al posto dei classici programmi di posta elettronica. Le pagine man sono
+abbastanza buone. Dal lato del ricevente, i manutentori utilizzano ``git am``
+per applicare le patch.
+
+Se siete dei novelli utilizzatori di ``git`` allora inviate la patch a voi
+stessi. Salvatela come testo includendo tutte le intestazioni. Poi eseguite
+il comando ``git am messaggio-formato-testo.txt`` e revisionatene il risultato
+con ``git log``. Quando tutto funziona correttamente, allora potete inviare
+la patch alla lista di discussione più appropriata.
+
+Panoramica delle opzioni
+------------------------
+
+Le patch per il kernel vengono inviate per posta elettronica, preferibilmente
+come testo integrante del messaggio. Alcuni manutentori accettano gli
+allegati, ma in questo caso gli allegati devono avere il *content-type*
+impostato come ``text/plain``. Tuttavia, generalmente gli allegati non sono
+ben apprezzati perché rende più difficile citare porzioni di patch durante il
+processo di revisione.
+
+I programmi di posta elettronica che vengono usati per inviare le patch per il
+kernel Linux dovrebbero inviarle senza alterazioni. Per esempio, non
+dovrebbero modificare o rimuovere tabulazioni o spazi, nemmeno all'inizio o
+alla fine delle righe.
+
+Non inviate patch con ``format=flowed``. Questo potrebbe introdurre
+interruzioni di riga inaspettate e indesiderate.
+
+Non lasciate che il vostro programma di posta vada a capo automaticamente.
+Questo può corrompere le patch.
+
+I programmi di posta non dovrebbero modificare la codifica dei caratteri nel
+testo. Le patch inviate per posta elettronica dovrebbero essere codificate in
+ASCII o UTF-8.
+Se configurate il vostro programma per inviare messaggi codificati con UTF-8
+eviterete possibili problemi di codifica.
+
+I programmi di posta dovrebbero generare e mantenere le intestazioni
+"References" o "In-Reply-To:" cosicché la discussione non venga interrotta.
+
+Di solito, il copia-e-incolla (o taglia-e-incolla) non funziona con le patch
+perché le tabulazioni vengono convertite in spazi. Usando xclipboard, xclip
+e/o xcutsel potrebbe funzionare, ma è meglio che lo verifichiate o meglio
+ancora: non usate il copia-e-incolla.
+
+Non usate firme PGP/GPG nei messaggi che contengono delle patch. Questo
+impedisce il corretto funzionamento di alcuni script per leggere o applicare
+patch (questo si dovrebbe poter correggere).
+
+Prima di inviare le patch sulle liste di discussione Linux, può essere una
+buona idea quella di inviare la patch a voi stessi, salvare il messaggio
+ricevuto, e applicarlo ai sorgenti con successo.
+
+
+Alcuni suggerimenti per i programmi di posta elettronica (MUA)
+--------------------------------------------------------------
+
+Qui troverete alcuni suggerimenti per configurare i vostri MUA allo scopo
+di modificare ed inviare patch per il kernel Linux. Tuttavia, questi
+suggerimenti non sono da considerarsi come un riassunto di una configurazione
+completa.
+
+Legenda:
+
+- TUI = interfaccia utente testuale (*text-based user interface*)
+- GUI = interfaccia utente grafica (*graphical user interface*)
+
+Alpine (TUI)
+************
+
+Opzioni per la configurazione:
+
+Nella sezione :menuselection:`Sending Preferences`:
+
+- :menuselection:`Do Not Send Flowed Text` deve essere ``enabled``
+- :menuselection:`Strip Whitespace Before Sending` deve essere ``disabled``
+
+Quando state scrivendo un messaggio, il cursore dev'essere posizionato
+dove volete che la patch inizi, poi premendo :kbd:`CTRL-R` vi verrà chiesto
+di selezionare il file patch da inserire nel messaggio.
+
+Claws Mail (GUI)
+****************
+
+Funziona. Alcune persone riescono ad usarlo con successo per inviare le patch.
+
+Per inserire una patch usate :menuselection:`Messaggio-->Inserisci file`
+(:kbd:`CTRL-I`) oppure un editor esterno.
+
+Se la patch che avete inserito dev'essere modificata usato la finestra di
+scrittura di Claws, allora assicuratevi che l'"auto-interruzione" sia
+disabilitata :menuselection:`Configurazione-->Preferenze-->Composizione-->Interruzione riga`.
+
+Evolution (GUI)
+***************
+
+Alcune persone riescono ad usarlo con successo per inviare le patch.
+
+Quando state scrivendo una lettera selezionate: Preformattato
+ da :menuselection:`Formato-->Stile del paragrafo-->Preformattato`
+ (:kbd:`CTRL-7`) o dalla barra degli strumenti
+
+Poi per inserire la patch usate:
+:menuselection:`Inserisci--> File di testo...` (:kbd:`ALT-N x`)
+
+Potete anche eseguire ``diff -Nru old.c new.c | xclip``, selezionare
+:menuselection:`Preformattato`, e poi usare il tasto centrale del mouse.
+
+Kmail (GUI)
+***********
+
+Alcune persone riescono ad usarlo con successo per inviare le patch.
+
+La configurazione base che disabilita la composizione di messaggi HTML è
+corretta; non abilitatela.
+
+Quando state scrivendo un messaggio, nel menu opzioni, togliete la selezione a
+"A capo automatico". L'unico svantaggio sarà che qualsiasi altra cosa scriviate
+nel messaggio non verrà mandata a capo in automatico ma dovrete farlo voi.
+Il modo più semplice per ovviare a questo problema è quello di scrivere il
+messaggio con l'opzione abilitata e poi di salvarlo nelle bozze. Riaprendo ora
+il messaggio dalle bozze le andate a capo saranno parte integrante del
+messaggio, per cui togliendo l'opzione "A capo automatico" non perderete nulla.
+
+Alla fine del vostro messaggio, appena prima di inserire la vostra patch,
+aggiungete il delimitatore di patch: tre trattini (``---``).
+
+Ora, dal menu :menuselection:`Messaggio`, selezionate :menuselection:`Inserisci file di testo...`
+quindi scegliete la vostra patch.
+Come soluzione aggiuntiva potreste personalizzare la vostra barra degli
+strumenti aggiungendo un'icona per :menuselection:`Inserisci file di testo...`.
+
+Allargate la finestra di scrittura abbastanza da evitare andate a capo.
+Questo perché in Kmail 1.13.5 (KDE 4.5.4), Kmail aggiunge andate a capo
+automaticamente al momento dell'invio per tutte quelle righe che graficamente,
+nella vostra finestra di composizione, si sono estete su una riga successiva.
+Disabilitare l'andata a capo automatica non è sufficiente. Dunque, se la vostra
+patch contiene delle righe molto lunghe, allora dovrete allargare la finestra
+di composizione per evitare che quelle righe vadano a capo. Vedere:
+https://bugs.kde.org/show_bug.cgi?id=174034
+
+Potete firmare gli allegati con GPG, ma per le patch si preferisce aggiungerle
+al testo del messaggio per cui non usate la firma GPG. Firmare le patch
+inserite come testo del messaggio le rende più difficili da estrarre dalla loro
+codifica a 7-bit.
+
+Se dovete assolutamente inviare delle patch come allegati invece di integrarle
+nel testo del messaggio, allora premete il tasto destro sull'allegato e
+selezionate :menuselection:`Proprietà`, e poi attivate
+:menuselection:`Suggerisci visualizzazione automatica` per far si che
+l'allegato sia più leggibile venendo visualizzato come parte del messaggio.
+
+Per salvare le patch inviate come parte di un messaggio, selezionate il
+messaggio che la contiene, premete il tasto destro e selezionate
+:menuselection:`Salva come`. Se il messaggio fu ben preparato, allora potrete
+usarlo interamente senza alcuna modifica.
+I messaggi vengono salvati con permessi di lettura-scrittura solo per l'utente,
+nel caso in cui vogliate copiarli altrove per renderli disponibili ad altri
+gruppi o al mondo, ricordatevi di usare ``chmod`` per cambiare i permessi.
+
+Lotus Notes (GUI)
+*****************
+
+Scappate finché potete.
+
+IBM Verse (Web GUI)
+*******************
+
+Vedi il commento per Lotus Notes.
+
+Mutt (TUI)
+**********
+
+Un sacco di sviluppatori Linux usano ``mutt``, per cui deve funzionare
+abbastanza bene.
+
+Mutt non ha un proprio editor, quindi qualunque sia il vostro editor dovrete
+configurarlo per non aggiungere automaticamente le andate a capo. Molti
+editor hanno un'opzione :menuselection:`Inserisci file` che inserisce il
+contenuto di un file senza alterarlo.
+
+Per usare ``vim`` come editor per mutt::
+
+ set editor="vi"
+
+Se per inserire la patch nel messaggio usate xclip, scrivete il comando::
+
+ :set paste
+
+prima di premere il tasto centrale o shift-insert. Oppure usate il
+comando::
+
+ :r filename
+
+(a)llega funziona bene senza ``set paste``
+
+Potete generare le patch con ``git format-patch`` e usare Mutt per inviarle::
+
+ $ mutt -H 0001-some-bug-fix.patch
+
+Opzioni per la configurazione:
+
+Tutto dovrebbe funzionare già nella configurazione base.
+Tuttavia, è una buona idea quella di impostare ``send_charset``::
+
+ set send_charset="us-ascii:utf-8"
+
+Mutt è molto personalizzabile. Qui di seguito trovate la configurazione minima
+per iniziare ad usare Mutt per inviare patch usando Gmail::
+
+ # .muttrc
+ # ================ IMAP ====================
+ set imap_user = 'yourusername@gmail.com'
+ set imap_pass = 'yourpassword'
+ set spoolfile = imaps://imap.gmail.com/INBOX
+ set folder = imaps://imap.gmail.com/
+ set record="imaps://imap.gmail.com/[Gmail]/Sent Mail"
+ set postponed="imaps://imap.gmail.com/[Gmail]/Drafts"
+ set mbox="imaps://imap.gmail.com/[Gmail]/All Mail"
+
+ # ================ SMTP ====================
+ set smtp_url = "smtp://username@smtp.gmail.com:587/"
+ set smtp_pass = $imap_pass
+ set ssl_force_tls = yes # Require encrypted connection
+
+ # ================ Composition ====================
+ set editor = `echo \$EDITOR`
+ set edit_headers = yes # See the headers when editing
+ set charset = UTF-8 # value of $LANG; also fallback for send_charset
+ # Sender, email address, and sign-off line must match
+ unset use_domain # because joe@localhost is just embarrassing
+ set realname = "YOUR NAME"
+ set from = "username@gmail.com"
+ set use_from = yes
+
+La documentazione di Mutt contiene molte più informazioni:
+
+ https://gitlab.com/muttmua/mutt/-/wikis/UseCases/Gmail
+
+ http://www.mutt.org/doc/manual/
+
+Pine (TUI)
+**********
+
+Pine aveva alcuni problemi con gli spazi vuoti, ma questi dovrebbero essere
+stati risolti.
+
+Se potete usate alpine (il successore di pine).
+
+Opzioni di configurazione:
+
+- Nelle versioni più recenti è necessario avere ``quell-flowed-text``
+- l'opzione ``no-strip-whitespace-before-send`` è necessaria
+
+Sylpheed (GUI)
+**************
+
+- funziona bene per aggiungere testo in linea (o usando allegati)
+- permette di utilizzare editor esterni
+- è lento su cartelle grandi
+- non farà l'autenticazione TSL SMTP su una connessione non SSL
+- ha un utile righello nella finestra di scrittura
+- la rubrica non comprende correttamente il nome da visualizzare e
+ l'indirizzo associato
+
+Thunderbird (GUI)
+*****************
+
+Thunderbird è un clone di Outlook a cui piace maciullare il testo, ma esistono
+modi per impedirglielo.
+
+- permettere l'uso di editor esterni:
+ La cosa più semplice da fare con Thunderbird e le patch è quello di usare
+ l'estensione "external editor" e di usare il vostro ``$EDITOR`` preferito per
+ leggere/includere patch nel vostro messaggio. Per farlo, scaricate ed
+ installate l'estensione e aggiungete un bottone per chiamarla rapidamente
+ usando :menuselection:`Visualizza-->Barra degli strumenti-->Personalizza...`;
+ una volta fatto potrete richiamarlo premendo sul bottone mentre siete nella
+ finestra :menuselection:`Scrivi`
+
+ Tenete presente che "external editor" richiede che il vostro editor non
+ faccia alcun fork, in altre parole, l'editor non deve ritornare prima di
+ essere stato chiuso. Potreste dover passare dei parametri aggiuntivi al
+ vostro editor oppure cambiargli la configurazione. Per esempio, usando
+ gvim dovrete aggiungere l'opzione -f ``/usr/bin/gvim -f`` (Se il binario
+ si trova in ``/usr/bin``) nell'apposito campo nell'interfaccia di
+ configurazione di :menuselection:`external editor`. Se usate altri editor
+ consultate il loro manuale per sapere come configurarli.
+
+Per rendere l'editor interno un po' più sensato, fate così:
+
+- Modificate le impostazioni di Thunderbird per far si che non usi
+ ``format=flowed``. Andate in :menuselection:`Modifica-->Preferenze-->Avanzate-->Editor di configurazione`
+ per invocare il registro delle impostazioni.
+
+- impostate ``mailnews.send_plaintext_flowed`` a ``false``
+
+- impostate ``mailnews.wraplength`` da ``72`` a ``0``
+
+- :menuselection:`Visualizza-->Corpo del messaggio come-->Testo semplice`
+
+- :menuselection:`Visualizza-->Codifica del testo-->Unicode`
+
+
+TkRat (GUI)
+***********
+
+Funziona. Usare "Inserisci file..." o un editor esterno.
+
+Gmail (Web GUI)
+***************
+
+Non funziona per inviare le patch.
+
+Il programma web Gmail converte automaticamente i tab in spazi.
+
+Allo stesso tempo aggiunge andata a capo ogni 78 caratteri. Comunque
+il problema della conversione fra spazi e tab può essere risolto usando
+un editor esterno.
- TODO ancora da tradurre
+Un altro problema è che Gmail usa la codifica base64 per tutti quei messaggi
+che contengono caratteri non ASCII. Questo include cose tipo i nomi europei.
diff --git a/Documentation/translations/it_IT/process/index.rst b/Documentation/translations/it_IT/process/index.rst
index 012de0f3154a..c4c867132c88 100644
--- a/Documentation/translations/it_IT/process/index.rst
+++ b/Documentation/translations/it_IT/process/index.rst
@@ -59,6 +59,7 @@ perché non si è trovato un posto migliore.
magic-number
volatile-considered-harmful
clang-format
+ ../riscv/patch-acceptance
.. only:: subproject and html
diff --git a/Documentation/translations/it_IT/process/management-style.rst b/Documentation/translations/it_IT/process/management-style.rst
index 07e68bfb8402..c709285138a7 100644
--- a/Documentation/translations/it_IT/process/management-style.rst
+++ b/Documentation/translations/it_IT/process/management-style.rst
@@ -1,12 +1,293 @@
.. include:: ../disclaimer-ita.rst
-:Original: :ref:`Documentation/process/management-style.rst <managementstyle>`
+:Original: :doc:`../../../process/management-style`
+:Translator: Alessia Mantegazza <amantegazza@vaga.pv.it>
-.. _it_managementstyle:
+Il modello di gestione del kernel Linux
+=======================================
-Tipo di gestione del kernel Linux
-=================================
+Questo breve documento descrive il modello di gestione del kernel Linux.
+Per certi versi, esso rispecchia il documento
+:ref:`translations/it_IT/process/coding-style.rst <it_codingstyle>`,
+ed è principalmente scritto per evitare di rispondere [#f1]_ in continuazione
+alle stesse identiche (o quasi) domande.
-.. warning::
+Il modello di gestione è qualcosa di molto personale e molto più difficile da
+qualificare rispetto a delle semplici regole di codifica, quindi questo
+documento potrebbe avere più o meno a che fare con la realtà. È cominciato
+come un gioco, ma ciò non significa che non possa essere vero.
+Lo dovrete decidere voi stessi.
- TODO ancora da tradurre
+In ogni caso, quando si parla del "dirigente del kernel", ci si riferisce
+sempre alla persona che dirige tecnicamente, e non a coloro che
+tradizionalmente hanno un ruolo direttivo all'interno delle aziende. Se vi
+occupate di convalidare acquisti o avete una qualche idea sul budget del vostro
+gruppo, probabilmente non siete un dirigente del kernel. Quindi i suggerimenti
+qui indicati potrebbero fare al caso vostro, oppure no.
+
+Prima di tutto, suggerirei di acquistare "Le sette regole per avere successo",
+e di non leggerlo. Bruciatelo, è un grande gesto simbolico.
+
+.. [#f1] Questo documento non fa molto per risponde alla domanda, ma rende
+ così dannatamente ovvio a chi la pone che non abbiamo la minima idea
+ di come rispondere.
+
+Comunque, partiamo:
+
+.. _it_decisions:
+
+1) Le decisioni
+---------------
+
+Tutti pensano che i dirigenti decidano, e che questo prendere decisioni
+sia importante. Più grande e dolorosa è la decisione, più importante deve
+essere il dirigente che la prende. Questo è molto profondo ed ovvio, ma non è
+del tutto vero.
+
+Il gioco consiste nell'"evitare" di dover prendere decisioni. In particolare
+se qualcuno vi chiede di "Decidere" tra (a) o (b), e vi dice che ha
+davvero bisogno di voi per questo, come dirigenti siete nei guai.
+Le persone che gestite devono conoscere i dettagli più di quanto li conosciate
+voi, quindi se vengono da voi per una decisione tecnica, siete fottuti.
+Non sarete chiaramente competente per prendere quella decisione per loro.
+
+(Corollario: se le persone che gestite non conoscono i dettagli meglio di voi,
+anche in questo caso sarete fregati, tuttavia per altre ragioni. Ossia state
+facendo il lavoro sbagliato, e che invece dovrebbero essere "loro" a gestirvi)
+
+Quindi il gioco si chiama "evitare" decisioni, almeno le più grandi e
+difficili. Prendere decisioni piccoli e senza conseguenze va bene, e vi fa
+sembrare competenti in quello che state facendo, quindi quello che un dirigente
+del kernel ha bisogno di fare è trasformare le decisioni grandi e difficili
+in minuzie delle quali nessuno importa.
+
+Ciò aiuta a capire che la differenza chiave tra una grande decisione ed una
+piccola sta nella possibilità di modificare tale decisione in seguito.
+Qualsiasi decisione importante può essere ridotta in decisioni meno importanti,
+ma dovete assicurarvi che possano essere reversibili in caso di errori
+(presenti o futuri). Improvvisamente, dovrete essere doppiamente dirigenti
+per **due** decisioni non sequenziali - quella sbagliata **e** quella giusta.
+
+E le persone vedranno tutto ciò come prova di vera capacità di comando
+(*cough* cavolata *cough*)
+
+Così la chiave per evitare le decisioni difficili diviene l'evitare
+di fare cose che non possono essere disfatte. Non infilatevi in un angolo
+dal quale non potrete sfuggire. Un topo messo all'angolo può rivelarsi
+pericoloso - un dirigente messo all'angolo è solo pietoso.
+
+**In ogni caso** dato che nessuno è stupido al punto da lasciare veramente ad
+un dirigente del kernel un enorme responsabilità, solitamente è facile fare
+marcia indietro. Annullare una decisione è molto facile: semplicemente dite a
+tutti che siete stati degli scemi incompetenti, dite che siete dispiaciuti, ed
+annullate tutto l'inutile lavoro sul quale gli altri hanno lavorato nell'ultimo
+anno. Improvvisamente la decisione che avevate preso un anno fa non era poi
+così grossa, dato che può essere facilmente annullata.
+
+È emerso che alcune persone hanno dei problemi con questo tipo di approccio,
+questo per due ragioni:
+
+ - ammettere di essere degli idioti è più difficile di quanto sembri. A tutti
+ noi piace mantenere le apparenze, ed uscire allo scoperto in pubblico per
+ ammettere che ci si è sbagliati è qualcosa di davvero impegnativo.
+ - avere qualcuno che ti dice che ciò su cui hai lavorato nell'ultimo anno
+ non era del tutto valido, può rivelarsi difficile anche per un povero ed
+ umile ingegnere, e mentre il **lavoro** vero era abbastanza facile da
+ cancellare, dall'altro canto potreste aver irrimediabilmente perso la
+ fiducia di quell'ingegnere. E ricordate che l'"irrevocabile" era quello
+ che avevamo cercato di evitare fin dall'inizio, e la vostra decisione
+ ha finito per esserlo.
+
+Fortunatamente, entrambe queste ragioni posso essere mitigate semplicemente
+ammettendo fin dal principio che non avete una cavolo di idea, dicendo
+agli altri in anticipo che la vostra decisione è puramente ipotetica, e che
+potrebbe essere sbagliata. Dovreste sempre riservarvi il diritto di cambiare
+la vostra opinione, e rendere gli altri ben **consapevoli** di ciò.
+Ed è molto più facile ammettere di essere stupidi quando non avete **ancora**
+fatto quella cosa stupida.
+
+Poi, quando è realmente emersa la vostra stupidità, le persone semplicemente
+roteeranno gli occhi e diranno "Uffa, no, ancora".
+
+Questa ammissione preventiva di incompetenza potrebbe anche portare le persone
+che stanno facendo il vero lavoro, a pensarci due volte. Dopo tutto, se
+**loro** non sono certi se sia una buona idea, voi, sicuro come la morte,
+non dovreste incoraggiarli promettendogli che ciò su cui stanno lavorando
+verrà incluso. Fate si che ci pensino due volte prima che si imbarchino in un
+grosso lavoro.
+
+Ricordate: loro devono sapere più cose sui dettagli rispetto a voi, e
+solitamente pensano di avere già la risposta a tutto. La miglior cosa che
+potete fare in qualità di dirigente è di non instillare troppa fiducia, ma
+invece fornire una salutare dose di pensiero critico su quanto stanno facendo.
+
+Comunque, un altro modo di evitare una decisione è quello di lamentarsi
+malinconicamente dicendo : "non possiamo farli entrambi e basta?" e con uno
+sguardo pietoso. Fidatevi, funziona. Se non è chiaro quale sia il miglior
+approccio, lo scopriranno. La risposta potrebbe essere data dal fatto che
+entrambe i gruppi di lavoro diventano frustati al punto di rinunciarvi.
+
+Questo può suonare come un fallimento, ma di solito questo è un segno che
+c'era qualcosa che non andava in entrambe i progetti, e il motivo per
+il quale le persone coinvolte non abbiano potuto decidere era che entrambe
+sbagliavano. Voi ne uscirete freschi come una rosa, e avrete evitato un'altra
+decisione con la quale avreste potuto fregarvi.
+
+
+2) Le persone
+-------------
+
+Ci sono molte persone stupide, ed essere un dirigente significa che dovrete
+scendere a patti con questo, e molto più importate, che **loro** devono avere
+a che fare con **voi**.
+
+Ne emerge che mentre è facile annullare degli errori tecnici, non è invece
+così facile rimuovere i disordini della personalità. Dovrete semplicemente
+convivere con i loro, ed i vostri, problemi.
+
+Comunque, al fine di preparavi in qualità di dirigenti del kernel, è meglio
+ricordare di non abbattere alcun ponte, bombardare alcun paesano innocente,
+o escludere troppi sviluppatori kernel. Ne emerge che escludere le persone
+è piuttosto facile, mentre includerle nuovamente è difficile. Così
+"l'esclusione" immediatamente cade sotto il titolo di "non reversibile", e
+diviene un no-no secondo la sezione :ref:`it_decisions`.
+
+Esistono alcune semplici regole qui:
+
+ (1) non chiamate le persone teste di c*** (al meno, non in pubblico)
+ (2) imparate a scusarvi quando dimenticate la regola (1)
+
+Il problema del punto numero 1 è che è molto facile da rispettare, dato che
+è possibile dire "sei una testa di c***" in milioni di modi differenti [#f2]_,
+a volte senza nemmeno pensarci, e praticamente sempre con la calda convinzione
+di essere nel giusto.
+
+E più convinti sarete che avete ragione (e diciamolo, potete chiamare
+praticamente **tutti** testa di c**, e spesso **sarete** nel giusto), più
+difficile sarà scusarvi successivamente.
+
+Per risolvere questo problema, avete due possibilità:
+
+ - diventare davvero bravi nello scusarsi
+ - essere amabili così che nessuno finirà col sentirsi preso di mira. Siate
+ creativi abbastanza, e potrebbero esserne divertiti.
+
+L'opzione dell'essere immancabilmente educati non esiste proprio. Nessuno
+si fiderà di qualcuno che chiaramente sta nascondendo il suo vero carattere.
+
+.. [#f2] Paul Simon cantava: "50 modi per lasciare il vostro amante", perché,
+ molto francamente, "Un milione di modi per dire ad uno sviluppatore
+ Testa di c***" non avrebbe funzionato. Ma sono sicuro che ci abbia
+ pensato.
+
+
+3) Le persone II - quelle buone
+-------------------------------
+
+Mentre emerge che la maggior parte delle persone sono stupide, il corollario
+a questo è il triste fatto che anche voi siete fra queste, e che mentre
+possiamo tutti crogiolarci nella sicurezza di essere migliori della media
+delle persone (diciamocelo, nessuno crede di essere nelle media o sotto di
+essa), dovremmo anche ammettere che non siamo il "coltello più affilato" del
+circondario, e che ci saranno altre persone che sono meno stupide di quanto
+lo siete voi.
+
+Molti reagiscono male davanti alle persone intelligenti. Altri le usano a
+proprio vantaggio.
+
+Assicuratevi che voi, in qualità di manutentori del kernel, siate nel secondo
+gruppo. Inchinatevi dinanzi a loro perché saranno le persone che vi renderanno
+il lavoro più facile. In particolare, prenderanno le decisioni per voi, che è
+l'oggetto di questo gioco.
+
+Quindi quando trovate qualcuno più sveglio di voi, prendetevela comoda.
+Le vostre responsabilità dirigenziali si ridurranno in gran parte nel dire
+"Sembra una buona idea - Vai", oppure "Sembra buono, ma invece circa questo e
+quello?". La seconda versione in particolare è una gran modo per imparare
+qualcosa di nuovo circa "questo e quello" o di sembrare **extra** dirigenziali
+sottolineando qualcosa alla quale i più svegli non avevano pensato. In
+entrambe i casi, vincete.
+
+Una cosa alla quale dovete fare attenzione è che l'essere grandi in qualcosa
+non si traduce automaticamente nell'essere grandi anche in altre cose. Quindi
+dovreste dare una spintarella alle persone in una specifica direzione, ma
+diciamocelo, potrebbero essere bravi in ciò che fanno e far schifo in tutto
+il resto. La buona notizia è che le persone tendono a gravitare attorno a ciò
+in cui sono bravi, quindi non state facendo nulla di irreversibile quando li
+spingete verso una certa direzione, solo non spingete troppo.
+
+
+4) Addossare le colpe
+---------------------
+
+Le cose andranno male, e le persone vogliono qualcuno da incolpare. Sarete voi.
+
+Non è poi così difficile accettare la colpa, specialmente se le persone
+riescono a capire che non era **tutta** colpa vostra. Il che ci porta
+sulla miglior strada per assumersi la colpa: fatelo per qualcun'altro.
+Vi sentirete bene nel assumervi la responsabilità, e loro si sentiranno
+bene nel non essere incolpati, e coloro che hanno perso i loro 36GB di
+pornografia a causa della vostra incompetenza ammetteranno a malincuore che
+almeno non avete cercato di fare il furbetto.
+
+Successivamente fate in modo che gli sviluppatori che in realtà hanno fallito
+(se riuscite a trovarli) sappiano **in privato** che sono "fottuti".
+Questo non per fargli sapere che la prossima volta possono evitarselo ma per
+fargli capire che sono in debito. E, forse cosa più importante, sono loro che
+devono sistemare la cosa. Perché, ammettiamolo, è sicuro non sarete voi a
+farlo.
+
+Assumersi la colpa è anche ciò che vi rendere dirigenti in prima battuta.
+È parte di ciò che spinge gli altri a fidarsi di voi, e vi garantisce
+la gloria potenziale, perché siete gli unici a dire "Ho fatto una cavolata".
+E se avete seguito le regole precedenti, sarete decisamente bravi nel dirlo.
+
+
+5) Le cose da evitare
+---------------------
+
+Esiste una cosa che le persone odiano più che essere chiamate "teste di c****",
+ed è essere chiamate "teste di c****" con fare da bigotto. Se per il primo
+caso potrete comunque scusarvi, per il secondo non ve ne verrà data nemmeno
+l'opportunità. Probabilmente smetteranno di ascoltarvi anche se tutto sommato
+state svolgendo un buon lavoro.
+
+Tutti crediamo di essere migliori degli altri, il che significa che quando
+qualcuno inizia a darsi delle arie, ci da **davvero** fastidio. Potreste anche
+essere moralmente ed intellettualmente superiore a tutti quelli attorno a voi,
+ma non cercate di renderlo ovvio per gli altri a meno che non **vogliate**
+veramente far arrabbiare qualcuno [#f3]_.
+
+Allo stesso modo evitate di essere troppo gentili e pacati. Le buone maniere
+facilmente finiscono per strabordare e nascondere i problemi, e come si usa
+dire, "su internet nessuno può sentire la vostra pacatezza". Usate argomenti
+diretti per farvi capire, non potete sperare che la gente capisca in altro
+modo.
+
+Un po' di umorismo può aiutare a smorzare sia la franchezza che la moralità.
+Andare oltre i limiti al punto d'essere ridicolo può portare dei punti a casa
+senza renderlo spiacevole per i riceventi, i quali penseranno che stavate
+facendo gli scemi. Può anche aiutare a lasciare andare quei blocchi mentali
+che abbiamo nei confronti delle critiche.
+
+.. [#f3] Suggerimento: i forum di discussione su internet, che non sono
+ collegati col vostro lavoro, sono ottimi modi per sfogare la frustrazione
+ verso altre persone. Di tanto in tanto scrivete messaggi offensivi col ghigno
+ in faccia per infiammare qualche discussione: vi sentirete purificati. Solo
+ cercate di non cagare troppo vicino a casa.
+
+6) Perché io?
+-------------
+
+Dato che la vostra responsabilità principale è quella di prendervi le colpe
+d'altri, e rendere dolorosamente ovvio a tutti che siete degli incompetenti,
+la domanda naturale che ne segue sarà : perché dovrei fare tutto ciò?
+
+Innanzitutto, potreste diventare o no popolari al punto da avere la fila di
+ragazzine (o ragazzini, evitiamo pregiudizi o sessismo) che gridano e bussano
+alla porta del vostro camerino, ma comunque **proverete** un immenso senso di
+realizzazione personale dall'essere "in carica". Dimenticate il fatto che voi
+state discutendo con tutti e che cercate di inseguirli il più velocemente che
+potete. Tutti continueranno a pensare che voi siete la persona in carica.
+
+È un bel lavoro se riuscite ad adattarlo a voi.
diff --git a/Documentation/translations/it_IT/process/submit-checklist.rst b/Documentation/translations/it_IT/process/submit-checklist.rst
index 995ee69fab11..3e575502690f 100644
--- a/Documentation/translations/it_IT/process/submit-checklist.rst
+++ b/Documentation/translations/it_IT/process/submit-checklist.rst
@@ -117,7 +117,7 @@ sottomissione delle patch, in particolare
sorgenti che ne spieghi la logica: cosa fanno e perché.
25) Se la patch aggiunge nuove chiamate ioctl, allora aggiornate
- ``Documentation/ioctl/ioctl-number.rst``.
+ ``Documentation/userspace-api/ioctl/ioctl-number.rst``.
26) Se il codice che avete modificato dipende o usa una qualsiasi interfaccia o
funzionalità del kernel che è associata a uno dei seguenti simboli
diff --git a/Documentation/translations/it_IT/riscv/patch-acceptance.rst b/Documentation/translations/it_IT/riscv/patch-acceptance.rst
new file mode 100644
index 000000000000..edf67252b3fb
--- /dev/null
+++ b/Documentation/translations/it_IT/riscv/patch-acceptance.rst
@@ -0,0 +1,40 @@
+.. include:: ../disclaimer-ita.rst
+
+:Original: :doc:`../../../riscv/patch-acceptance`
+:Translator: Federico Vaga <federico.vaga@vaga.pv.it>
+
+arch/riscv linee guida alla manutenzione per gli sviluppatori
+=============================================================
+
+Introduzione
+------------
+
+L'insieme di istruzioni RISC-V sono sviluppate in modo aperto: le
+bozze in fase di sviluppo sono disponibili a tutti per essere
+revisionate e per essere sperimentare nelle implementazioni. Le bozze
+dei nuovi moduli o estensioni possono cambiare in fase di sviluppo - a
+volte in modo incompatibile rispetto a bozze precedenti. Questa
+flessibilità può portare a dei problemi di manutenzioni per il
+supporto RISC-V nel kernel Linux. I manutentori Linux non amano
+l'abbandono del codice, e il processo di sviluppo del kernel
+preferisce codice ben revisionato e testato rispetto a quello
+sperimentale. Desideriamo estendere questi stessi principi al codice
+relativo all'architettura RISC-V che verrà accettato per l'inclusione
+nel kernel.
+
+In aggiunta alla lista delle verifiche da fare prima di inviare una patch
+-------------------------------------------------------------------------
+
+Accetteremo le patch per un nuovo modulo o estensione se la fondazione
+RISC-V li classifica come "Frozen" o "Retified". (Ovviamente, gli
+sviluppatori sono liberi di mantenere una copia del kernel Linux
+contenente il codice per una bozza di estensione).
+
+In aggiunta, la specifica RISC-V permette agli implementatori di
+creare le proprie estensioni. Queste estensioni non passano
+attraverso il processo di revisione della fondazione RISC-V. Per
+questo motivo, al fine di evitare complicazioni o problemi di
+prestazioni, accetteremo patch solo per quelle estensioni che sono
+state ufficialmente accettate dalla fondazione RISC-V. (Ovviamente,
+gli implementatori sono liberi di mantenere una copia del kernel Linux
+contenente il codice per queste specifiche estensioni).
diff --git a/Documentation/translations/ko_KR/memory-barriers.txt b/Documentation/translations/ko_KR/memory-barriers.txt
index 2e831ece6e26..e50fe6541335 100644
--- a/Documentation/translations/ko_KR/memory-barriers.txt
+++ b/Documentation/translations/ko_KR/memory-barriers.txt
@@ -641,7 +641,7 @@ P 는 짝수 번호 캐시 라인에 저장되어 있고, 변수 B 는 홀수
리눅스 커널이 지원하는 CPU 들은 (1) 쓰기가 정말로 일어날지, (2) 쓰기가 어디에
이루어질지, 그리고 (3) 쓰여질 값을 확실히 알기 전까지는 쓰기를 수행하지 않기
때문입니다. 하지만 "컨트롤 의존성" 섹션과
-Documentation/RCU/rcu_dereference.txt 파일을 주의 깊게 읽어 주시기 바랍니다:
+Documentation/RCU/rcu_dereference.rst 파일을 주의 깊게 읽어 주시기 바랍니다:
컴파일러는 매우 창의적인 많은 방법으로 종속성을 깰 수 있습니다.
CPU 1 CPU 2
diff --git a/Documentation/translations/zh_CN/IRQ.txt b/Documentation/translations/zh_CN/IRQ.txt
index 956026d5cf82..9aec8dca4fcf 100644
--- a/Documentation/translations/zh_CN/IRQ.txt
+++ b/Documentation/translations/zh_CN/IRQ.txt
@@ -1,4 +1,4 @@
-Chinese translated version of Documentation/IRQ.txt
+Chinese translated version of Documentation/core-api/irq/index.rst
If you have any comment or update to the content, please contact the
original document maintainer directly. However, if you have a problem
@@ -9,7 +9,7 @@ or if there is a problem with the translation.
Maintainer: Eric W. Biederman <ebiederman@xmission.com>
Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
---------------------------------------------------------------------
-Documentation/IRQ.txt 的中文翻译
+Documentation/core-api/irq/index.rst 的中文翻译
如果想评论或更新本文的内容,请直接联系原文档的维护者。如果你使用英文
交流有困难的话,也可以向中文版维护者求助。如果本翻译更新不及时或者翻
diff --git a/Documentation/translations/zh_CN/filesystems/debugfs.rst b/Documentation/translations/zh_CN/filesystems/debugfs.rst
new file mode 100644
index 000000000000..f8a28793c277
--- /dev/null
+++ b/Documentation/translations/zh_CN/filesystems/debugfs.rst
@@ -0,0 +1,221 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+.. include:: ../disclaimer-zh_CN.rst
+
+:Original: :ref:`Documentation/filesystems/debugfs.txt <debugfs_index>`
+
+=======
+Debugfs
+=======
+
+译者
+::
+
+ 中文版维护者: 罗楚成 Chucheng Luo <luochucheng@vivo.com>
+ 中文版翻译者: 罗楚成 Chucheng Luo <luochucheng@vivo.com>
+ 中文版校译者: 罗楚成 Chucheng Luo <luochucheng@vivo.com>
+
+
+
+版权所有2020 罗楚成 <luochucheng@vivo.com>
+
+
+Debugfs是内核开发人员在用户空间获取信息的简单方法。与/proc不同,proc只提供进程
+信息。也不像sysfs,具有严格的“每个文件一个值“的规则。debugfs根本没有规则,开发
+人员可以在这里放置他们想要的任何信息。debugfs文件系统也不能用作稳定的ABI接口。
+从理论上讲,debugfs导出文件的时候没有任何约束。但是[1]实际情况并不总是那么
+简单。即使是debugfs接口,也最好根据需要进行设计,并尽量保持接口不变。
+
+
+Debugfs通常使用以下命令安装::
+
+ mount -t debugfs none /sys/kernel/debug
+
+(或等效的/etc/fstab行)。
+debugfs根目录默认仅可由root用户访问。要更改对文件树的访问,请使用“ uid”,“ gid”
+和“ mode”挂载选项。请注意,debugfs API仅按照GPL协议导出到模块。
+
+使用debugfs的代码应包含<linux/debugfs.h>。然后,首先是创建至少一个目录来保存
+一组debugfs文件::
+
+ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
+
+如果成功,此调用将在指定的父目录下创建一个名为name的目录。如果parent参数为空,
+则会在debugfs根目录中创建。创建目录成功时,返回值是一个指向dentry结构体的指针。
+该dentry结构体的指针可用于在目录中创建文件(以及最后将其清理干净)。ERR_PTR
+(-ERROR)返回值表明出错。如果返回ERR_PTR(-ENODEV),则表明内核是在没有debugfs
+支持的情况下构建的,并且下述函数都不会起作用。
+
+在debugfs目录中创建文件的最通用方法是::
+
+ struct dentry *debugfs_create_file(const char *name, umode_t mode,
+ struct dentry *parent, void *data,
+ const struct file_operations *fops);
+
+在这里,name是要创建的文件的名称,mode描述了访问文件应具有的权限,parent指向
+应该保存文件的目录,data将存储在产生的inode结构体的i_private字段中,而fops是
+一组文件操作函数,这些函数中实现文件操作的具体行为。至少,read()和/或
+write()操作应提供;其他可以根据需要包括在内。同样的,返回值将是指向创建文件
+的dentry指针,错误时返回ERR_PTR(-ERROR),系统不支持debugfs时返回值为ERR_PTR
+(-ENODEV)。创建一个初始大小的文件,可以使用以下函数代替::
+
+ struct dentry *debugfs_create_file_size(const char *name, umode_t mode,
+ struct dentry *parent, void *data,
+ const struct file_operations *fops,
+ loff_t file_size);
+
+file_size是初始文件大小。其他参数跟函数debugfs_create_file的相同。
+
+在许多情况下,没必要自己去创建一组文件操作;对于一些简单的情况,debugfs代码提供
+了许多帮助函数。包含单个整数值的文件可以使用以下任何一项创建::
+
+ void debugfs_create_u8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value);
+ void debugfs_create_u16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value);
+ struct dentry *debugfs_create_u32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
+ void debugfs_create_u64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value);
+
+这些文件支持读取和写入给定值。如果某个文件不支持写入,只需根据需要设置mode
+参数位。这些文件中的值以十进制表示;如果需要使用十六进制,可以使用以下函数
+替代::
+
+ void debugfs_create_x8(const char *name, umode_t mode,
+ struct dentry *parent, u8 *value);
+ void debugfs_create_x16(const char *name, umode_t mode,
+ struct dentry *parent, u16 *value);
+ void debugfs_create_x32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value);
+ void debugfs_create_x64(const char *name, umode_t mode,
+ struct dentry *parent, u64 *value);
+
+这些功能只有在开发人员知道导出值的大小的时候才有用。某些数据类型在不同的架构上
+有不同的宽度,这样会使情况变得有些复杂。在这种特殊情况下可以使用以下函数::
+
+ void debugfs_create_size_t(const char *name, umode_t mode,
+ struct dentry *parent, size_t *value);
+
+不出所料,此函数将创建一个debugfs文件来表示类型为size_t的变量。
+
+同样地,也有导出无符号长整型变量的函数,分别以十进制和十六进制表示如下::
+
+ struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
+ struct dentry *parent,
+ unsigned long *value);
+ void debugfs_create_xul(const char *name, umode_t mode,
+ struct dentry *parent, unsigned long *value);
+
+布尔值可以通过以下方式放置在debugfs中::
+
+ struct dentry *debugfs_create_bool(const char *name, umode_t mode,
+ struct dentry *parent, bool *value);
+
+
+读取结果文件将产生Y(对于非零值)或N,后跟换行符写入的时候,它只接受大写或小写
+值或1或0。任何其他输入将被忽略。
+
+同样,atomic_t类型的值也可以放置在debugfs中::
+
+ void debugfs_create_atomic_t(const char *name, umode_t mode,
+ struct dentry *parent, atomic_t *value)
+
+读取此文件将获得atomic_t值,写入此文件将设置atomic_t值。
+
+另一个选择是通过以下结构体和函数导出一个任意二进制数据块::
+
+ struct debugfs_blob_wrapper {
+ void *data;
+ unsigned long size;
+ };
+
+ struct dentry *debugfs_create_blob(const char *name, umode_t mode,
+ struct dentry *parent,
+ struct debugfs_blob_wrapper *blob);
+
+读取此文件将返回由指针指向debugfs_blob_wrapper结构体的数据。一些驱动使用“blobs”
+作为一种返回几行(静态)格式化文本的简单方法。这个函数可用于导出二进制信息,但
+似乎在主线中没有任何代码这样做。请注意,使用debugfs_create_blob()命令创建的
+所有文件是只读的。
+
+如果您要转储一个寄存器块(在开发过程中经常会这么做,但是这样的调试代码很少上传
+到主线中。Debugfs提供两个函数:一个用于创建仅寄存器文件,另一个把一个寄存器块
+插入一个顺序文件中::
+
+ struct debugfs_reg32 {
+ char *name;
+ unsigned long offset;
+ };
+
+ struct debugfs_regset32 {
+ struct debugfs_reg32 *regs;
+ int nregs;
+ void __iomem *base;
+ };
+
+ struct dentry *debugfs_create_regset32(const char *name, umode_t mode,
+ struct dentry *parent,
+ struct debugfs_regset32 *regset);
+
+ void debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+ int nregs, void __iomem *base, char *prefix);
+
+“base”参数可能为0,但您可能需要使用__stringify构建reg32数组,实际上有许多寄存器
+名称(宏)是寄存器块在基址上的字节偏移量。
+
+如果要在debugfs中转储u32数组,可以使用以下函数创建文件::
+
+ void debugfs_create_u32_array(const char *name, umode_t mode,
+ struct dentry *parent,
+ u32 *array, u32 elements);
+
+“array”参数提供数据,而“elements”参数为数组中元素的数量。注意:数组创建后,数组
+大小无法更改。
+
+有一个函数来创建与设备相关的seq_file::
+
+ struct dentry *debugfs_create_devm_seqfile(struct device *dev,
+ const char *name,
+ struct dentry *parent,
+ int (*read_fn)(struct seq_file *s,
+ void *data));
+
+“dev”参数是与此debugfs文件相关的设备,并且“read_fn”是一个函数指针,这个函数在
+打印seq_file内容的时候被回调。
+
+还有一些其他的面向目录的函数::
+
+ struct dentry *debugfs_rename(struct dentry *old_dir,
+ struct dentry *old_dentry,
+ struct dentry *new_dir,
+ const char *new_name);
+
+ struct dentry *debugfs_create_symlink(const char *name,
+ struct dentry *parent,
+ const char *target);
+
+调用debugfs_rename()将为现有的debugfs文件重命名,可能同时切换目录。 new_name
+函数调用之前不能存在;返回值为old_dentry,其中包含更新的信息。可以使用
+debugfs_create_symlink()创建符号链接。
+
+所有debugfs用户必须考虑的一件事是:
+
+debugfs不会自动清除在其中创建的任何目录。如果一个模块在不显式删除debugfs目录的
+情况下卸载模块,结果将会遗留很多野指针,从而导致系统不稳定。因此,所有debugfs
+用户-至少是那些可以作为模块构建的用户-必须做模块卸载的时候准备删除在此创建的
+所有文件和目录。一份文件可以通过以下方式删除::
+
+ void debugfs_remove(struct dentry *dentry);
+
+dentry值可以为NULL或错误值,在这种情况下,不会有任何文件被删除。
+
+很久以前,内核开发者使用debugfs时需要记录他们创建的每个dentry指针,以便最后所有
+文件都可以被清理掉。但是,现在debugfs用户能调用以下函数递归清除之前创建的文件::
+
+ void debugfs_remove_recursive(struct dentry *dentry);
+
+如果将对应顶层目录的dentry传递给以上函数,则该目录下的整个层次结构将会被删除。
+
+注释:
+[1] http://lwn.net/Articles/309298/
diff --git a/Documentation/translations/zh_CN/filesystems/index.rst b/Documentation/translations/zh_CN/filesystems/index.rst
index 14f155edaf69..186501d13bc1 100644
--- a/Documentation/translations/zh_CN/filesystems/index.rst
+++ b/Documentation/translations/zh_CN/filesystems/index.rst
@@ -24,4 +24,5 @@ Linux Kernel中的文件系统
:maxdepth: 2
virtiofs
+ debugfs
diff --git a/Documentation/translations/zh_CN/filesystems/sysfs.txt b/Documentation/translations/zh_CN/filesystems/sysfs.txt
index ee1f37da5b23..fcf620049d11 100644
--- a/Documentation/translations/zh_CN/filesystems/sysfs.txt
+++ b/Documentation/translations/zh_CN/filesystems/sysfs.txt
@@ -1,4 +1,4 @@
-Chinese translated version of Documentation/filesystems/sysfs.txt
+Chinese translated version of Documentation/filesystems/sysfs.rst
If you have any comment or update to the content, please contact the
original document maintainer directly. However, if you have a problem
@@ -10,7 +10,7 @@ Maintainer: Patrick Mochel <mochel@osdl.org>
Mike Murphy <mamurph@cs.clemson.edu>
Chinese maintainer: Fu Wei <tekkamanninja@gmail.com>
---------------------------------------------------------------------
-Documentation/filesystems/sysfs.txt 的中文翻译
+Documentation/filesystems/sysfs.rst 的中文翻译
如果想评论或更新本文的内容,请直接联系原文档的维护者。如果你使用英文
交流有困难的话,也可以向中文版维护者求助。如果本翻译更新不及时或者翻
@@ -40,7 +40,7 @@ sysfs 是一个最初基于 ramfs 且位于内存的文件系统。它提供导
数据结构及其属性,以及它们之间的关联到用户空间的方法。
sysfs 始终与 kobject 的底层结构紧密相关。请阅读
-Documentation/kobject.txt 文档以获得更多关于 kobject 接口的
+Documentation/core-api/kobject.rst 文档以获得更多关于 kobject 接口的
信息。
@@ -281,7 +281,7 @@ drivers/ 包含了每个已为特定总线上的设备而挂载的驱动程序
假定驱动没有跨越多个总线类型)。
fs/ 包含了一个为文件系统设立的目录。现在每个想要导出属性的文件系统必须
-在 fs/ 下创建自己的层次结构(参见Documentation/filesystems/fuse.txt)。
+在 fs/ 下创建自己的层次结构(参见Documentation/filesystems/fuse.rst)。
dev/ 包含两个子目录: char/ 和 block/。在这两个子目录中,有以
<major>:<minor> 格式命名的符号链接。这些符号链接指向 sysfs 目录
diff --git a/Documentation/translations/zh_CN/process/submit-checklist.rst b/Documentation/translations/zh_CN/process/submit-checklist.rst
index 8738c55e42a2..50386e0e42e7 100644
--- a/Documentation/translations/zh_CN/process/submit-checklist.rst
+++ b/Documentation/translations/zh_CN/process/submit-checklist.rst
@@ -97,7 +97,7 @@ Linux内核补丁提交清单
24) 所有内存屏障例如 ``barrier()``, ``rmb()``, ``wmb()`` 都需要源代码中的注
释来解释它们正在执行的操作及其原因的逻辑。
-25) 如果补丁添加了任何ioctl,那么也要更新 ``Documentation/ioctl/ioctl-number.rst``
+25) 如果补丁添加了任何ioctl,那么也要更新 ``Documentation/userspace-api/ioctl/ioctl-number.rst``
26) 如果修改后的源代码依赖或使用与以下 ``Kconfig`` 符号相关的任何内核API或
功能,则在禁用相关 ``Kconfig`` 符号和/或 ``=m`` (如果该选项可用)的情况
diff --git a/Documentation/translations/zh_CN/video4linux/v4l2-framework.txt b/Documentation/translations/zh_CN/video4linux/v4l2-framework.txt
index 4d2af480a112..a88fcbc11eca 100644
--- a/Documentation/translations/zh_CN/video4linux/v4l2-framework.txt
+++ b/Documentation/translations/zh_CN/video4linux/v4l2-framework.txt
@@ -488,7 +488,7 @@ struct v4l2_subdev *sd = v4l2_i2c_new_subdev(v4l2_dev, adapter,
这个函数会加载给定的模块(如果没有模块需要加载,可以为 NULL),
并用给定的 i2c 适配器结构体指针(i2c_adapter)和 器件地址(chip/address)
-作为参数调用 i2c_new_device()。如果一切顺利,则就在 v4l2_device
+作为参数调用 i2c_new_client_device()。如果一切顺利,则就在 v4l2_device
中注册了子设备。
你也可以利用 v4l2_i2c_new_subdev()的最后一个参数,传递一个可能的
diff --git a/Documentation/usb/gadget_configfs.rst b/Documentation/usb/gadget_configfs.rst
index 54fb08baae22..158e48dab586 100644
--- a/Documentation/usb/gadget_configfs.rst
+++ b/Documentation/usb/gadget_configfs.rst
@@ -24,7 +24,7 @@ Linux provides a number of functions for gadgets to use.
Creating a gadget means deciding what configurations there will be
and which functions each configuration will provide.
-Configfs (please see `Documentation/filesystems/configfs/*`) lends itself nicely
+Configfs (please see `Documentation/filesystems/configfs.rst`) lends itself nicely
for the purpose of telling the kernel about the above mentioned decision.
This document is about how to do it.
@@ -354,7 +354,7 @@ the directories in general can be named at will. A group can have
a number of its default sub-groups created automatically.
For more information on configfs please see
-`Documentation/filesystems/configfs/*`.
+`Documentation/filesystems/configfs.rst`.
The concepts described above translate to USB gadgets like this:
diff --git a/Documentation/usb/raw-gadget.rst b/Documentation/usb/raw-gadget.rst
index 9e78cb858f86..68d879a8009e 100644
--- a/Documentation/usb/raw-gadget.rst
+++ b/Documentation/usb/raw-gadget.rst
@@ -27,9 +27,8 @@ differences are:
3. Raw Gadget provides a way to select a UDC device/driver to bind to,
while GadgetFS currently binds to the first available UDC.
-4. Raw Gadget uses predictable endpoint names (handles) across different
- UDCs (as long as UDCs have enough endpoints of each required transfer
- type).
+4. Raw Gadget explicitly exposes information about endpoints addresses and
+ capabilities allowing a user to write UDC-agnostic gadgets.
5. Raw Gadget has ioctl-based interface instead of a filesystem-based one.
@@ -50,12 +49,36 @@ The typical usage of Raw Gadget looks like:
Raw Gadget and react to those depending on what kind of USB device
needs to be emulated.
+Note, that some UDC drivers have fixed addresses assigned to endpoints, and
+therefore arbitrary endpoint addresses can't be used in the descriptors.
+Nevertheles, Raw Gadget provides a UDC-agnostic way to write USB gadgets.
+Once a USB_RAW_EVENT_CONNECT event is received via USB_RAW_IOCTL_EVENT_FETCH,
+the USB_RAW_IOCTL_EPS_INFO ioctl can be used to find out information about
+endpoints that the UDC driver has. Based on that information, the user must
+chose UDC endpoints that will be used for the gadget being emulated, and
+properly assign addresses in endpoint descriptors.
+
+You can find usage examples (along with a test suite) here:
+
+https://github.com/xairy/raw-gadget
+
+Internal details
+~~~~~~~~~~~~~~~~
+
+Currently every endpoint read/write ioctl submits a USB request and waits until
+its completion. This is the desired mode for coverage-guided fuzzing (as we'd
+like all USB request processing happen during the lifetime of a syscall),
+and must be kept in the implementation. (This might be slow for real world
+applications, thus the O_NONBLOCK improvement suggestion below.)
+
Potential future improvements
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- Implement ioctl's for setting/clearing halt status on endpoints.
-
-- Reporting more events (suspend, resume, etc.) through
- USB_RAW_IOCTL_EVENT_FETCH.
+- Report more events (suspend, resume, etc.) through USB_RAW_IOCTL_EVENT_FETCH.
- Support O_NONBLOCK I/O.
+
+- Support USB 3 features (accept SS endpoint companion descriptor when
+ enabling endpoints; allow providing stream_id for bulk transfers).
+
+- Support ISO transfer features (expose frame_number for completed requests).
diff --git a/Documentation/userspace-api/ioctl/ioctl-number.rst b/Documentation/userspace-api/ioctl/ioctl-number.rst
index f759edafd938..52bf58417653 100644
--- a/Documentation/userspace-api/ioctl/ioctl-number.rst
+++ b/Documentation/userspace-api/ioctl/ioctl-number.rst
@@ -146,6 +146,7 @@ Code Seq# Include File Comments
'H' 40-4F sound/hdspm.h conflict!
'H' 40-4F sound/hdsp.h conflict!
'H' 90 sound/usb/usx2y/usb_stream.h
+'H' 00-0F uapi/misc/habanalabs.h conflict!
'H' A0 uapi/linux/usb/cdc-wdm.h
'H' C0-F0 net/bluetooth/hci.h conflict!
'H' C0-DF net/bluetooth/hidp/hidp.h conflict!
diff --git a/Documentation/virt/kvm/amd-memory-encryption.rst b/Documentation/virt/kvm/amd-memory-encryption.rst
index c3129b9ba5cb..57c01f531e61 100644
--- a/Documentation/virt/kvm/amd-memory-encryption.rst
+++ b/Documentation/virt/kvm/amd-memory-encryption.rst
@@ -74,7 +74,7 @@ should point to a file descriptor that is opened on the ``/dev/sev``
device, if needed (see individual commands).
On output, ``error`` is zero on success, or an error code. Error codes
-are defined in ``<linux/psp-dev.h>`.
+are defined in ``<linux/psp-dev.h>``.
KVM implements the following commands to support common lifecycle events of SEV
guests, such as launching, running, snapshotting, migrating and decommissioning.
diff --git a/Documentation/virt/kvm/api.rst b/Documentation/virt/kvm/api.rst
index efbbe570aa9b..426f94582b7a 100644
--- a/Documentation/virt/kvm/api.rst
+++ b/Documentation/virt/kvm/api.rst
@@ -2572,13 +2572,15 @@ list in 4.68.
:Parameters: None
:Returns: 0 on success, -1 on error
-This signals to the host kernel that the specified guest is being paused by
-userspace. The host will set a flag in the pvclock structure that is checked
-from the soft lockup watchdog. The flag is part of the pvclock structure that
-is shared between guest and host, specifically the second bit of the flags
+This ioctl sets a flag accessible to the guest indicating that the specified
+vCPU has been paused by the host userspace.
+
+The host will set a flag in the pvclock structure that is checked from the
+soft lockup watchdog. The flag is part of the pvclock structure that is
+shared between guest and host, specifically the second bit of the flags
field of the pvclock_vcpu_time_info structure. It will be set exclusively by
the host and read/cleared exclusively by the guest. The guest operation of
-checking and clearing the flag must an atomic operation so
+checking and clearing the flag must be an atomic operation so
load-link/store-conditional, or equivalent must be used. There are two cases
where the guest will clear the flag: when the soft lockup watchdog timer resets
itself or when a soft lockup is detected. This ioctl can be called any time
@@ -4334,9 +4336,13 @@ Errors:
#define KVM_STATE_NESTED_VMX_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_VMX_SMM_VMXON 0x00000002
+#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
+
struct kvm_vmx_nested_state_hdr {
+ __u32 flags;
__u64 vmxon_pa;
__u64 vmcs12_pa;
+ __u64 preemption_timer_deadline;
struct {
__u16 flags;
@@ -5066,10 +5072,13 @@ EOI was received.
struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC 1
#define KVM_EXIT_HYPERV_HCALL 2
+ #define KVM_EXIT_HYPERV_SYNDBG 3
__u32 type;
+ __u32 pad1;
union {
struct {
__u32 msr;
+ __u32 pad2;
__u64 control;
__u64 evt_page;
__u64 msg_page;
@@ -5079,6 +5088,15 @@ EOI was received.
__u64 result;
__u64 params[2];
} hcall;
+ struct {
+ __u32 msr;
+ __u32 pad2;
+ __u64 control;
+ __u64 status;
+ __u64 send_page;
+ __u64 recv_page;
+ __u64 pending_page;
+ } syndbg;
} u;
};
/* KVM_EXIT_HYPERV */
@@ -5095,6 +5113,12 @@ Hyper-V SynIC state change. Notification is used to remap SynIC
event/message pages and to enable/disable SynIC messages/events processing
in userspace.
+ - KVM_EXIT_HYPERV_SYNDBG -- synchronously notify user-space about
+
+Hyper-V Synthetic debugger state change. Notification is used to either update
+the pending_page location or to send a control command (send the buffer located
+in send_page or recv a buffer to recv_page).
+
::
/* KVM_EXIT_ARM_NISV */
@@ -5777,7 +5801,7 @@ will be initialized to 1 when created. This also improves performance because
dirty logging can be enabled gradually in small chunks on the first call
to KVM_CLEAR_DIRTY_LOG. KVM_DIRTY_LOG_INITIALLY_SET depends on
KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE (it is also only available on
-x86 for now).
+x86 and arm64 for now).
KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 was previously available under the name
KVM_CAP_MANUAL_DIRTY_LOG_PROTECT, but the implementation had bugs that make
@@ -5802,6 +5826,23 @@ If present, this capability can be enabled for a VM, meaning that KVM
will allow the transition to secure guest mode. Otherwise KVM will
veto the transition.
+7.20 KVM_CAP_HALT_POLL
+----------------------
+
+:Architectures: all
+:Target: VM
+:Parameters: args[0] is the maximum poll time in nanoseconds
+:Returns: 0 on success; -1 on error
+
+This capability overrides the kvm module parameter halt_poll_ns for the
+target VM.
+
+VCPU polling allows a VCPU to poll for wakeup events instead of immediately
+scheduling during guest halts. The maximum time a VCPU can spend polling is
+controlled by the kvm module parameter halt_poll_ns. This capability allows
+the maximum halt time to specified on a per-VM basis, effectively overriding
+the module parameter for the target VM.
+
8. Other capabilities.
======================
diff --git a/Documentation/virt/kvm/arm/pvtime.rst b/Documentation/virt/kvm/arm/pvtime.rst
index 2357dd2d8655..687b60d76ca9 100644
--- a/Documentation/virt/kvm/arm/pvtime.rst
+++ b/Documentation/virt/kvm/arm/pvtime.rst
@@ -76,5 +76,5 @@ It is advisable that one or more 64k pages are set aside for the purpose of
these structures and not used for other purposes, this enables the guest to map
the region using 64k pages and avoids conflicting attributes with other memory.
-For the user space interface see Documentation/virt/kvm/devices/vcpu.txt
+For the user space interface see Documentation/virt/kvm/devices/vcpu.rst
section "3. GROUP: KVM_ARM_VCPU_PVTIME_CTRL".
diff --git a/Documentation/virt/kvm/cpuid.rst b/Documentation/virt/kvm/cpuid.rst
index 01b081f6e7ea..a7dff9186bed 100644
--- a/Documentation/virt/kvm/cpuid.rst
+++ b/Documentation/virt/kvm/cpuid.rst
@@ -50,8 +50,8 @@ KVM_FEATURE_NOP_IO_DELAY 1 not necessary to perform delays
KVM_FEATURE_MMU_OP 2 deprecated
KVM_FEATURE_CLOCKSOURCE2 3 kvmclock available at msrs
-
0x4b564d00 and 0x4b564d01
+
KVM_FEATURE_ASYNC_PF 4 async pf can be enabled by
writing to msr 0x4b564d02
@@ -86,6 +86,12 @@ KVM_FEATURE_PV_SCHED_YIELD 13 guest checks this feature bit
before using paravirtualized
sched yield.
+KVM_FEATURE_ASYNC_PF_INT 14 guest checks this feature bit
+ before using the second async
+ pf control msr 0x4b564d06 and
+ async pf acknowledgment msr
+ 0x4b564d07.
+
KVM_FEATURE_CLOCSOURCE_STABLE_BIT 24 host will warn if no guest-side
per-cpu warps are expeced in
kvmclock
diff --git a/Documentation/virt/kvm/devices/vcpu.rst b/Documentation/virt/kvm/devices/vcpu.rst
index 9963e680770a..ca374d3fe085 100644
--- a/Documentation/virt/kvm/devices/vcpu.rst
+++ b/Documentation/virt/kvm/devices/vcpu.rst
@@ -110,5 +110,5 @@ Returns:
Specifies the base address of the stolen time structure for this VCPU. The
base address must be 64 byte aligned and exist within a valid guest memory
-region. See Documentation/virt/kvm/arm/pvtime.txt for more information
+region. See Documentation/virt/kvm/arm/pvtime.rst for more information
including the layout of the stolen time structure.
diff --git a/Documentation/virt/kvm/hypercalls.rst b/Documentation/virt/kvm/hypercalls.rst
index dbaf207e560d..ed4fddd364ea 100644
--- a/Documentation/virt/kvm/hypercalls.rst
+++ b/Documentation/virt/kvm/hypercalls.rst
@@ -22,7 +22,7 @@ S390:
number in R1.
For further information on the S390 diagnose call as supported by KVM,
- refer to Documentation/virt/kvm/s390-diag.txt.
+ refer to Documentation/virt/kvm/s390-diag.rst.
PowerPC:
It uses R3-R10 and hypercall number in R11. R4-R11 are used as output registers.
@@ -30,7 +30,7 @@ PowerPC:
KVM hypercalls uses 4 byte opcode, that are patched with 'hypercall-instructions'
property inside the device tree's /hypervisor node.
- For more information refer to Documentation/virt/kvm/ppc-pv.txt
+ For more information refer to Documentation/virt/kvm/ppc-pv.rst
MIPS:
KVM hypercalls use the HYPCALL instruction with code 0 and the hypercall
diff --git a/Documentation/virt/kvm/index.rst b/Documentation/virt/kvm/index.rst
index dcc252634cf9..b6833c7bb474 100644
--- a/Documentation/virt/kvm/index.rst
+++ b/Documentation/virt/kvm/index.rst
@@ -28,3 +28,5 @@ KVM
arm/index
devices/index
+
+ running-nested-guests
diff --git a/Documentation/virt/kvm/mmu.rst b/Documentation/virt/kvm/mmu.rst
index 60981887d20b..46126ecc70f7 100644
--- a/Documentation/virt/kvm/mmu.rst
+++ b/Documentation/virt/kvm/mmu.rst
@@ -319,7 +319,7 @@ Handling a page fault is performed as follows:
- If both P bit and R/W bit of error code are set, this could possibly
be handled as a "fast page fault" (fixed without taking the MMU lock). See
- the description in Documentation/virt/kvm/locking.txt.
+ the description in Documentation/virt/kvm/locking.rst.
- if needed, walk the guest page tables to determine the guest translation
(gva->gpa or ngpa->gpa)
diff --git a/Documentation/virt/kvm/msr.rst b/Documentation/virt/kvm/msr.rst
index 33892036672d..e37a14c323d2 100644
--- a/Documentation/virt/kvm/msr.rst
+++ b/Documentation/virt/kvm/msr.rst
@@ -190,41 +190,72 @@ MSR_KVM_ASYNC_PF_EN:
0x4b564d02
data:
- Bits 63-6 hold 64-byte aligned physical address of a
- 64 byte memory area which must be in guest RAM and must be
- zeroed. Bits 5-3 are reserved and should be zero. Bit 0 is 1
- when asynchronous page faults are enabled on the vcpu 0 when
- disabled. Bit 1 is 1 if asynchronous page faults can be injected
- when vcpu is in cpl == 0. Bit 2 is 1 if asynchronous page faults
- are delivered to L1 as #PF vmexits. Bit 2 can be set only if
- KVM_FEATURE_ASYNC_PF_VMEXIT is present in CPUID.
-
- First 4 byte of 64 byte memory location will be written to by
- the hypervisor at the time of asynchronous page fault (APF)
- injection to indicate type of asynchronous page fault. Value
- of 1 means that the page referred to by the page fault is not
- present. Value 2 means that the page is now available. Disabling
- interrupt inhibits APFs. Guest must not enable interrupt
- before the reason is read, or it may be overwritten by another
- APF. Since APF uses the same exception vector as regular page
- fault guest must reset the reason to 0 before it does
- something that can generate normal page fault. If during page
- fault APF reason is 0 it means that this is regular page
- fault.
-
- During delivery of type 1 APF cr2 contains a token that will
- be used to notify a guest when missing page becomes
- available. When page becomes available type 2 APF is sent with
- cr2 set to the token associated with the page. There is special
- kind of token 0xffffffff which tells vcpu that it should wake
- up all processes waiting for APFs and no individual type 2 APFs
- will be sent.
+ Asynchronous page fault (APF) control MSR.
+
+ Bits 63-6 hold 64-byte aligned physical address of a 64 byte memory area
+ which must be in guest RAM and must be zeroed. This memory is expected
+ to hold a copy of the following structure::
+
+ struct kvm_vcpu_pv_apf_data {
+ /* Used for 'page not present' events delivered via #PF */
+ __u32 flags;
+
+ /* Used for 'page ready' events delivered via interrupt notification */
+ __u32 token;
+
+ __u8 pad[56];
+ __u32 enabled;
+ };
+
+ Bits 5-4 of the MSR are reserved and should be zero. Bit 0 is set to 1
+ when asynchronous page faults are enabled on the vcpu, 0 when disabled.
+ Bit 1 is 1 if asynchronous page faults can be injected when vcpu is in
+ cpl == 0. Bit 2 is 1 if asynchronous page faults are delivered to L1 as
+ #PF vmexits. Bit 2 can be set only if KVM_FEATURE_ASYNC_PF_VMEXIT is
+ present in CPUID. Bit 3 enables interrupt based delivery of 'page ready'
+ events. Bit 3 can only be set if KVM_FEATURE_ASYNC_PF_INT is present in
+ CPUID.
+
+ 'Page not present' events are currently always delivered as synthetic
+ #PF exception. During delivery of these events APF CR2 register contains
+ a token that will be used to notify the guest when missing page becomes
+ available. Also, to make it possible to distinguish between real #PF and
+ APF, first 4 bytes of 64 byte memory location ('flags') will be written
+ to by the hypervisor at the time of injection. Only first bit of 'flags'
+ is currently supported, when set, it indicates that the guest is dealing
+ with asynchronous 'page not present' event. If during a page fault APF
+ 'flags' is '0' it means that this is regular page fault. Guest is
+ supposed to clear 'flags' when it is done handling #PF exception so the
+ next event can be delivered.
+
+ Note, since APF 'page not present' events use the same exception vector
+ as regular page fault, guest must reset 'flags' to '0' before it does
+ something that can generate normal page fault.
+
+ Bytes 5-7 of 64 byte memory location ('token') will be written to by the
+ hypervisor at the time of APF 'page ready' event injection. The content
+ of these bytes is a token which was previously delivered as 'page not
+ present' event. The event indicates the page in now available. Guest is
+ supposed to write '0' to 'token' when it is done handling 'page ready'
+ event and to write 1' to MSR_KVM_ASYNC_PF_ACK after clearing the location;
+ writing to the MSR forces KVM to re-scan its queue and deliver the next
+ pending notification.
+
+ Note, MSR_KVM_ASYNC_PF_INT MSR specifying the interrupt vector for 'page
+ ready' APF delivery needs to be written to before enabling APF mechanism
+ in MSR_KVM_ASYNC_PF_EN or interrupt #0 can get injected. The MSR is
+ available if KVM_FEATURE_ASYNC_PF_INT is present in CPUID.
+
+ Note, previously, 'page ready' events were delivered via the same #PF
+ exception as 'page not present' events but this is now deprecated. If
+ bit 3 (interrupt based delivery) is not set APF events are not delivered.
If APF is disabled while there are outstanding APFs, they will
not be delivered.
- Currently type 2 APF will be always delivered on the same vcpu as
- type 1 was, but guest should not rely on that.
+ Currently 'page ready' APF events will be always delivered on the
+ same vcpu as 'page not present' event was, but guest should not rely on
+ that.
MSR_KVM_STEAL_TIME:
0x4b564d03
@@ -319,3 +350,29 @@ data:
KVM guests can request the host not to poll on HLT, for example if
they are performing polling themselves.
+
+MSR_KVM_ASYNC_PF_INT:
+ 0x4b564d06
+
+data:
+ Second asynchronous page fault (APF) control MSR.
+
+ Bits 0-7: APIC vector for delivery of 'page ready' APF events.
+ Bits 8-63: Reserved
+
+ Interrupt vector for asynchnonous 'page ready' notifications delivery.
+ The vector has to be set up before asynchronous page fault mechanism
+ is enabled in MSR_KVM_ASYNC_PF_EN. The MSR is only available if
+ KVM_FEATURE_ASYNC_PF_INT is present in CPUID.
+
+MSR_KVM_ASYNC_PF_ACK:
+ 0x4b564d07
+
+data:
+ Asynchronous page fault (APF) acknowledgment.
+
+ When the guest is done processing 'page ready' APF event and 'token'
+ field in 'struct kvm_vcpu_pv_apf_data' is cleared it is supposed to
+ write '1' to bit 0 of the MSR, this causes the host to re-scan its queue
+ and check if there are more notifications pending. The MSR is available
+ if KVM_FEATURE_ASYNC_PF_INT is present in CPUID.
diff --git a/Documentation/virt/kvm/nested-vmx.rst b/Documentation/virt/kvm/nested-vmx.rst
index 592b0ab6970b..89851cbb7df9 100644
--- a/Documentation/virt/kvm/nested-vmx.rst
+++ b/Documentation/virt/kvm/nested-vmx.rst
@@ -116,10 +116,7 @@ struct shadow_vmcs is ever changed.
natural_width cr4_guest_host_mask;
natural_width cr0_read_shadow;
natural_width cr4_read_shadow;
- natural_width cr3_target_value0;
- natural_width cr3_target_value1;
- natural_width cr3_target_value2;
- natural_width cr3_target_value3;
+ natural_width dead_space[4]; /* Last remnants of cr3_target_value[0-3]. */
natural_width exit_qualification;
natural_width guest_linear_address;
natural_width guest_cr0;
diff --git a/Documentation/virt/kvm/review-checklist.rst b/Documentation/virt/kvm/review-checklist.rst
index 1f86a9d3f705..dc01aea4057b 100644
--- a/Documentation/virt/kvm/review-checklist.rst
+++ b/Documentation/virt/kvm/review-checklist.rst
@@ -10,7 +10,7 @@ Review checklist for kvm patches
2. Patches should be against kvm.git master branch.
3. If the patch introduces or modifies a new userspace API:
- - the API must be documented in Documentation/virt/kvm/api.txt
+ - the API must be documented in Documentation/virt/kvm/api.rst
- the API must be discoverable using KVM_CHECK_EXTENSION
4. New state must include support for save/restore.
diff --git a/Documentation/virt/kvm/running-nested-guests.rst b/Documentation/virt/kvm/running-nested-guests.rst
new file mode 100644
index 000000000000..d0a1fc754c84
--- /dev/null
+++ b/Documentation/virt/kvm/running-nested-guests.rst
@@ -0,0 +1,276 @@
+==============================
+Running nested guests with KVM
+==============================
+
+A nested guest is the ability to run a guest inside another guest (it
+can be KVM-based or a different hypervisor). The straightforward
+example is a KVM guest that in turn runs on a KVM guest (the rest of
+this document is built on this example)::
+
+ .----------------. .----------------.
+ | | | |
+ | L2 | | L2 |
+ | (Nested Guest) | | (Nested Guest) |
+ | | | |
+ |----------------'--'----------------|
+ | |
+ | L1 (Guest Hypervisor) |
+ | KVM (/dev/kvm) |
+ | |
+ .------------------------------------------------------.
+ | L0 (Host Hypervisor) |
+ | KVM (/dev/kvm) |
+ |------------------------------------------------------|
+ | Hardware (with virtualization extensions) |
+ '------------------------------------------------------'
+
+Terminology:
+
+- L0 – level-0; the bare metal host, running KVM
+
+- L1 – level-1 guest; a VM running on L0; also called the "guest
+ hypervisor", as it itself is capable of running KVM.
+
+- L2 – level-2 guest; a VM running on L1, this is the "nested guest"
+
+.. note:: The above diagram is modelled after the x86 architecture;
+ s390x, ppc64 and other architectures are likely to have
+ a different design for nesting.
+
+ For example, s390x always has an LPAR (LogicalPARtition)
+ hypervisor running on bare metal, adding another layer and
+ resulting in at least four levels in a nested setup — L0 (bare
+ metal, running the LPAR hypervisor), L1 (host hypervisor), L2
+ (guest hypervisor), L3 (nested guest).
+
+ This document will stick with the three-level terminology (L0,
+ L1, and L2) for all architectures; and will largely focus on
+ x86.
+
+
+Use Cases
+---------
+
+There are several scenarios where nested KVM can be useful, to name a
+few:
+
+- As a developer, you want to test your software on different operating
+ systems (OSes). Instead of renting multiple VMs from a Cloud
+ Provider, using nested KVM lets you rent a large enough "guest
+ hypervisor" (level-1 guest). This in turn allows you to create
+ multiple nested guests (level-2 guests), running different OSes, on
+ which you can develop and test your software.
+
+- Live migration of "guest hypervisors" and their nested guests, for
+ load balancing, disaster recovery, etc.
+
+- VM image creation tools (e.g. ``virt-install``, etc) often run
+ their own VM, and users expect these to work inside a VM.
+
+- Some OSes use virtualization internally for security (e.g. to let
+ applications run safely in isolation).
+
+
+Enabling "nested" (x86)
+-----------------------
+
+From Linux kernel v4.19 onwards, the ``nested`` KVM parameter is enabled
+by default for Intel and AMD. (Though your Linux distribution might
+override this default.)
+
+In case you are running a Linux kernel older than v4.19, to enable
+nesting, set the ``nested`` KVM module parameter to ``Y`` or ``1``. To
+persist this setting across reboots, you can add it in a config file, as
+shown below:
+
+1. On the bare metal host (L0), list the kernel modules and ensure that
+ the KVM modules::
+
+ $ lsmod | grep -i kvm
+ kvm_intel 133627 0
+ kvm 435079 1 kvm_intel
+
+2. Show information for ``kvm_intel`` module::
+
+ $ modinfo kvm_intel | grep -i nested
+ parm: nested:bool
+
+3. For the nested KVM configuration to persist across reboots, place the
+ below in ``/etc/modprobed/kvm_intel.conf`` (create the file if it
+ doesn't exist)::
+
+ $ cat /etc/modprobe.d/kvm_intel.conf
+ options kvm-intel nested=y
+
+4. Unload and re-load the KVM Intel module::
+
+ $ sudo rmmod kvm-intel
+ $ sudo modprobe kvm-intel
+
+5. Verify if the ``nested`` parameter for KVM is enabled::
+
+ $ cat /sys/module/kvm_intel/parameters/nested
+ Y
+
+For AMD hosts, the process is the same as above, except that the module
+name is ``kvm-amd``.
+
+
+Additional nested-related kernel parameters (x86)
+-------------------------------------------------
+
+If your hardware is sufficiently advanced (Intel Haswell processor or
+higher, which has newer hardware virt extensions), the following
+additional features will also be enabled by default: "Shadow VMCS
+(Virtual Machine Control Structure)", APIC Virtualization on your bare
+metal host (L0). Parameters for Intel hosts::
+
+ $ cat /sys/module/kvm_intel/parameters/enable_shadow_vmcs
+ Y
+
+ $ cat /sys/module/kvm_intel/parameters/enable_apicv
+ Y
+
+ $ cat /sys/module/kvm_intel/parameters/ept
+ Y
+
+.. note:: If you suspect your L2 (i.e. nested guest) is running slower,
+ ensure the above are enabled (particularly
+ ``enable_shadow_vmcs`` and ``ept``).
+
+
+Starting a nested guest (x86)
+-----------------------------
+
+Once your bare metal host (L0) is configured for nesting, you should be
+able to start an L1 guest with::
+
+ $ qemu-kvm -cpu host [...]
+
+The above will pass through the host CPU's capabilities as-is to the
+gues); or for better live migration compatibility, use a named CPU
+model supported by QEMU. e.g.::
+
+ $ qemu-kvm -cpu Haswell-noTSX-IBRS,vmx=on
+
+then the guest hypervisor will subsequently be capable of running a
+nested guest with accelerated KVM.
+
+
+Enabling "nested" (s390x)
+-------------------------
+
+1. On the host hypervisor (L0), enable the ``nested`` parameter on
+ s390x::
+
+ $ rmmod kvm
+ $ modprobe kvm nested=1
+
+.. note:: On s390x, the kernel parameter ``hpage`` is mutually exclusive
+ with the ``nested`` paramter — i.e. to be able to enable
+ ``nested``, the ``hpage`` parameter *must* be disabled.
+
+2. The guest hypervisor (L1) must be provided with the ``sie`` CPU
+ feature — with QEMU, this can be done by using "host passthrough"
+ (via the command-line ``-cpu host``).
+
+3. Now the KVM module can be loaded in the L1 (guest hypervisor)::
+
+ $ modprobe kvm
+
+
+Live migration with nested KVM
+------------------------------
+
+Migrating an L1 guest, with a *live* nested guest in it, to another
+bare metal host, works as of Linux kernel 5.3 and QEMU 4.2.0 for
+Intel x86 systems, and even on older versions for s390x.
+
+On AMD systems, once an L1 guest has started an L2 guest, the L1 guest
+should no longer be migrated or saved (refer to QEMU documentation on
+"savevm"/"loadvm") until the L2 guest shuts down. Attempting to migrate
+or save-and-load an L1 guest while an L2 guest is running will result in
+undefined behavior. You might see a ``kernel BUG!`` entry in ``dmesg``, a
+kernel 'oops', or an outright kernel panic. Such a migrated or loaded L1
+guest can no longer be considered stable or secure, and must be restarted.
+Migrating an L1 guest merely configured to support nesting, while not
+actually running L2 guests, is expected to function normally even on AMD
+systems but may fail once guests are started.
+
+Migrating an L2 guest is always expected to succeed, so all the following
+scenarios should work even on AMD systems:
+
+- Migrating a nested guest (L2) to another L1 guest on the *same* bare
+ metal host.
+
+- Migrating a nested guest (L2) to another L1 guest on a *different*
+ bare metal host.
+
+- Migrating a nested guest (L2) to a bare metal host.
+
+Reporting bugs from nested setups
+-----------------------------------
+
+Debugging "nested" problems can involve sifting through log files across
+L0, L1 and L2; this can result in tedious back-n-forth between the bug
+reporter and the bug fixer.
+
+- Mention that you are in a "nested" setup. If you are running any kind
+ of "nesting" at all, say so. Unfortunately, this needs to be called
+ out because when reporting bugs, people tend to forget to even
+ *mention* that they're using nested virtualization.
+
+- Ensure you are actually running KVM on KVM. Sometimes people do not
+ have KVM enabled for their guest hypervisor (L1), which results in
+ them running with pure emulation or what QEMU calls it as "TCG", but
+ they think they're running nested KVM. Thus confusing "nested Virt"
+ (which could also mean, QEMU on KVM) with "nested KVM" (KVM on KVM).
+
+Information to collect (generic)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The following is not an exhaustive list, but a very good starting point:
+
+ - Kernel, libvirt, and QEMU version from L0
+
+ - Kernel, libvirt and QEMU version from L1
+
+ - QEMU command-line of L1 -- when using libvirt, you'll find it here:
+ ``/var/log/libvirt/qemu/instance.log``
+
+ - QEMU command-line of L2 -- as above, when using libvirt, get the
+ complete libvirt-generated QEMU command-line
+
+ - ``cat /sys/cpuinfo`` from L0
+
+ - ``cat /sys/cpuinfo`` from L1
+
+ - ``lscpu`` from L0
+
+ - ``lscpu`` from L1
+
+ - Full ``dmesg`` output from L0
+
+ - Full ``dmesg`` output from L1
+
+x86-specific info to collect
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Both the below commands, ``x86info`` and ``dmidecode``, should be
+available on most Linux distributions with the same name:
+
+ - Output of: ``x86info -a`` from L0
+
+ - Output of: ``x86info -a`` from L1
+
+ - Output of: ``dmidecode`` from L0
+
+ - Output of: ``dmidecode`` from L1
+
+s390x-specific info to collect
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Along with the earlier mentioned generic details, the below is
+also recommended:
+
+ - ``/proc/sysinfo`` from L1; this will also include the info from L0
diff --git a/Documentation/vm/hmm.rst b/Documentation/vm/hmm.rst
index 4e3e9362afeb..561969754bc0 100644
--- a/Documentation/vm/hmm.rst
+++ b/Documentation/vm/hmm.rst
@@ -161,7 +161,7 @@ device must complete the update before the driver callback returns.
When the device driver wants to populate a range of virtual addresses, it can
use::
- long hmm_range_fault(struct hmm_range *range);
+ int hmm_range_fault(struct hmm_range *range);
It will trigger a page fault on missing or read-only entries if write access is
requested (see below). Page faults use the generic mm page fault code path just
@@ -184,10 +184,7 @@ The usage pattern is::
range.notifier = &interval_sub;
range.start = ...;
range.end = ...;
- range.pfns = ...;
- range.flags = ...;
- range.values = ...;
- range.pfn_shift = ...;
+ range.hmm_pfns = ...;
if (!mmget_not_zero(interval_sub->notifier.mm))
return -EFAULT;
@@ -229,15 +226,10 @@ The hmm_range struct has 2 fields, default_flags and pfn_flags_mask, that specif
fault or snapshot policy for the whole range instead of having to set them
for each entry in the pfns array.
-For instance, if the device flags for range.flags are::
+For instance if the device driver wants pages for a range with at least read
+permission, it sets::
- range.flags[HMM_PFN_VALID] = (1 << 63);
- range.flags[HMM_PFN_WRITE] = (1 << 62);
-
-and the device driver wants pages for a range with at least read permission,
-it sets::
-
- range->default_flags = (1 << 63);
+ range->default_flags = HMM_PFN_REQ_FAULT;
range->pfn_flags_mask = 0;
and calls hmm_range_fault() as described above. This will fill fault all pages
@@ -246,18 +238,18 @@ in the range with at least read permission.
Now let's say the driver wants to do the same except for one page in the range for
which it wants to have write permission. Now driver set::
- range->default_flags = (1 << 63);
- range->pfn_flags_mask = (1 << 62);
- range->pfns[index_of_write] = (1 << 62);
+ range->default_flags = HMM_PFN_REQ_FAULT;
+ range->pfn_flags_mask = HMM_PFN_REQ_WRITE;
+ range->pfns[index_of_write] = HMM_PFN_REQ_WRITE;
With this, HMM will fault in all pages with at least read (i.e., valid) and for the
address == range->start + (index_of_write << PAGE_SHIFT) it will fault with
write permission i.e., if the CPU pte does not have write permission set then HMM
will call handle_mm_fault().
-Note that HMM will populate the pfns array with write permission for any page
-that is mapped with CPU write permission no matter what values are set
-in default_flags or pfn_flags_mask.
+After hmm_range_fault completes the flag bits are set to the current state of
+the page tables, ie HMM_PFN_VALID | HMM_PFN_WRITE will be set if the page is
+writable.
Represent and manage device memory from core kernel point of view
diff --git a/Documentation/vm/index.rst b/Documentation/vm/index.rst
index e8d943b21cf9..611140ffef7e 100644
--- a/Documentation/vm/index.rst
+++ b/Documentation/vm/index.rst
@@ -31,6 +31,7 @@ descriptions of data structures and algorithms.
active_mm
balance
cleancache
+ free_page_reporting
frontswap
highmem
hmm
diff --git a/Documentation/vm/memory-model.rst b/Documentation/vm/memory-model.rst
index 58a12376b7df..91228044ed16 100644
--- a/Documentation/vm/memory-model.rst
+++ b/Documentation/vm/memory-model.rst
@@ -46,11 +46,10 @@ maps the entire physical memory. For most architectures, the holes
have entries in the `mem_map` array. The `struct page` objects
corresponding to the holes are never fully initialized.
-To allocate the `mem_map` array, architecture specific setup code
-should call :c:func:`free_area_init_node` function or its convenience
-wrapper :c:func:`free_area_init`. Yet, the mappings array is not
-usable until the call to :c:func:`memblock_free_all` that hands all
-the memory to the page allocator.
+To allocate the `mem_map` array, architecture specific setup code should
+call :c:func:`free_area_init` function. Yet, the mappings array is not
+usable until the call to :c:func:`memblock_free_all` that hands all the
+memory to the page allocator.
If an architecture enables `CONFIG_ARCH_HAS_HOLES_MEMORYMODEL` option,
it may free parts of the `mem_map` array that do not cover the
diff --git a/Documentation/vm/page_frags.rst b/Documentation/vm/page_frags.rst
index 637cc49d1b2f..7d6f9385d129 100644
--- a/Documentation/vm/page_frags.rst
+++ b/Documentation/vm/page_frags.rst
@@ -26,7 +26,7 @@ to be disabled when executing the fragment allocation.
The network stack uses two separate caches per CPU to handle fragment
allocation. The netdev_alloc_cache is used by callers making use of the
-__netdev_alloc_frag and __netdev_alloc_skb calls. The napi_alloc_cache is
+netdev_alloc_frag and __netdev_alloc_skb calls. The napi_alloc_cache is
used by callers of the __napi_alloc_frag and __napi_alloc_skb calls. The
main difference between these two calls is the context in which they may be
called. The "netdev" prefixed functions are usable in any context as these
diff --git a/Documentation/vm/page_owner.rst b/Documentation/vm/page_owner.rst
index 0ed5ab8c7ab4..079f3f8c4784 100644
--- a/Documentation/vm/page_owner.rst
+++ b/Documentation/vm/page_owner.rst
@@ -83,8 +83,7 @@ Usage
4) Analyze information from page owner::
cat /sys/kernel/debug/page_owner > page_owner_full.txt
- grep -v ^PFN page_owner_full.txt > page_owner.txt
- ./page_owner_sort page_owner.txt sorted_page_owner.txt
+ ./page_owner_sort page_owner_full.txt sorted_page_owner.txt
See the result about who allocated each page
in the ``sorted_page_owner.txt``.
diff --git a/Documentation/vm/slub.rst b/Documentation/vm/slub.rst
index 933ada4368ff..4eee598555c9 100644
--- a/Documentation/vm/slub.rst
+++ b/Documentation/vm/slub.rst
@@ -49,7 +49,7 @@ Possible debug options are::
P Poisoning (object and padding)
U User tracking (free and alloc)
T Trace (please only use on single slabs)
- A Toggle failslab filter mark for the cache
+ A Enable failslab filter mark for the cache
O Switch debugging off for caches that would have
caused higher minimum slab orders
- Switch all debugging off (useful if the kernel is
diff --git a/Documentation/vm/zswap.rst b/Documentation/vm/zswap.rst
index f8c6a79d7c70..d8d9fa4a1f0d 100644
--- a/Documentation/vm/zswap.rst
+++ b/Documentation/vm/zswap.rst
@@ -140,10 +140,10 @@ without any real benefit but with a performance drop for the system), a
special parameter has been introduced to implement a sort of hysteresis to
refuse taking pages into zswap pool until it has sufficient space if the limit
has been hit. To set the threshold at which zswap would start accepting pages
-again after it became full, use the sysfs ``accept_threhsold_percent``
+again after it became full, use the sysfs ``accept_threshold_percent``
attribute, e. g.::
- echo 80 > /sys/module/zswap/parameters/accept_threhsold_percent
+ echo 80 > /sys/module/zswap/parameters/accept_threshold_percent
Setting this parameter to 100 will disable the hysteresis.
diff --git a/Documentation/watchdog/convert_drivers_to_kernel_api.rst b/Documentation/watchdog/convert_drivers_to_kernel_api.rst
index dd934cc08e40..a1c3f038ce0e 100644
--- a/Documentation/watchdog/convert_drivers_to_kernel_api.rst
+++ b/Documentation/watchdog/convert_drivers_to_kernel_api.rst
@@ -2,7 +2,7 @@
Converting old watchdog drivers to the watchdog framework
=========================================================
-by Wolfram Sang <w.sang@pengutronix.de>
+by Wolfram Sang <wsa@kernel.org>
Before the watchdog framework came into the kernel, every driver had to
implement the API on its own. Now, as the framework factored out the common
@@ -115,7 +115,7 @@ Add the watchdog operations
---------------------------
All possible callbacks are defined in 'struct watchdog_ops'. You can find it
-explained in 'watchdog-kernel-api.txt' in this directory. start(), stop() and
+explained in 'watchdog-kernel-api.txt' in this directory. start() and
owner must be set, the rest are optional. You will easily find corresponding
functions in the old driver. Note that you will now get a pointer to the
watchdog_device as a parameter to these functions, so you probably have to
diff --git a/Documentation/watchdog/watchdog-kernel-api.rst b/Documentation/watchdog/watchdog-kernel-api.rst
index 864edbe932c1..068a55ee0d4a 100644
--- a/Documentation/watchdog/watchdog-kernel-api.rst
+++ b/Documentation/watchdog/watchdog-kernel-api.rst
@@ -123,8 +123,8 @@ The list of watchdog operations is defined as::
struct module *owner;
/* mandatory operations */
int (*start)(struct watchdog_device *);
- int (*stop)(struct watchdog_device *);
/* optional operations */
+ int (*stop)(struct watchdog_device *);
int (*ping)(struct watchdog_device *);
unsigned int (*status)(struct watchdog_device *);
int (*set_timeout)(struct watchdog_device *, unsigned int);
diff --git a/Documentation/x86/x86_64/uefi.rst b/Documentation/x86/x86_64/uefi.rst
index 88c3ba32546f..3b894103a734 100644
--- a/Documentation/x86/x86_64/uefi.rst
+++ b/Documentation/x86/x86_64/uefi.rst
@@ -36,7 +36,7 @@ Mechanics
elilo bootloader with x86_64 support, elilo configuration file,
kernel image built in first step and corresponding
- initrd. Instructions on building elilo and its dependencies
+ initrd. Instructions on building elilo and its dependencies
can be found in the elilo sourceforge project.
- Boot to EFI shell and invoke elilo choosing the kernel image built
diff --git a/MAINTAINERS b/MAINTAINERS
index 791d2a862e41..ddc1dc7e535e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -147,7 +147,7 @@ Maintainers List
M: Steffen Klassert <klassert@kernel.org>
L: netdev@vger.kernel.org
S: Odd Fixes
-F: Documentation/networking/device_drivers/3com/vortex.txt
+F: Documentation/networking/device_drivers/3com/vortex.rst
F: drivers/net/ethernet/3com/3c59x.c
3CR990 NETWORK DRIVER
@@ -189,11 +189,11 @@ F: drivers/net/hamradio/6pack.c
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
F: Documentation/driver-api/80211/cfg80211.rst
-F: Documentation/networking/regulatory.txt
+F: Documentation/networking/regulatory.rst
F: include/linux/ieee80211.h
F: include/net/cfg80211.h
F: include/net/ieee80211_radiotap.h
@@ -505,7 +505,7 @@ F: drivers/hwmon/adm1029.c
ADM8211 WIRELESS DRIVER
L: linux-wireless@vger.kernel.org
S: Orphan
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
F: drivers/net/wireless/admtek/adm8211.*
ADP1653 FLASH CONTROLLER DRIVER
@@ -570,7 +570,7 @@ F: Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml
F: drivers/input/misc/adxl34x.c
ADXL372 THREE-AXIS DIGITAL ACCELEROMETER DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <michael.hennerich@analog.com>
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
F: Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml
@@ -815,7 +815,7 @@ R: Saeed Bishara <saeedb@amazon.com>
R: Zorik Machulsky <zorik@amazon.com>
L: netdev@vger.kernel.org
S: Supported
-F: Documentation/networking/device_drivers/amazon/ena.txt
+F: Documentation/networking/device_drivers/amazon/ena.rst
F: drivers/net/ethernet/amazon/
AMAZON RDMA EFA DRIVER
@@ -842,6 +842,13 @@ S: Supported
T: git git://people.freedesktop.org/~agd5f/linux
F: drivers/gpu/drm/amd/display/
+AMD ENERGY DRIVER
+M: Naveen Krishna Chatradhi <nchatrad@amd.com>
+L: linux-hwmon@vger.kernel.org
+S: Maintained
+F: Documentation/hwmon/amd_energy.rst
+F: drivers/hwmon/amd_energy.c
+
AMD FAM15H PROCESSOR POWER MONITORING DRIVER
M: Huang Rui <ray.huang@amd.com>
L: linux-hwmon@vger.kernel.org
@@ -892,6 +899,11 @@ F: drivers/gpu/drm/amd/include/v9_structs.h
F: drivers/gpu/drm/amd/include/vi_structs.h
F: include/uapi/linux/kfd_ioctl.h
+AMD SPI DRIVER
+M: Sanjay R Mehta <sanju.mehta@amd.com>
+S: Maintained
+F: drivers/spi/spi-amd.c
+
AMD MP2 I2C DRIVER
M: Elie Morisse <syniurge@gmail.com>
M: Nehal Shah <nehal-bakulchandra.shah@amd.com>
@@ -922,7 +934,7 @@ F: arch/arm64/boot/dts/amd/amd-seattle-xgbe*.dtsi
F: drivers/net/ethernet/amd/xgbe/
ANALOG DEVICES INC AD5686 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-pm@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
@@ -930,7 +942,7 @@ F: drivers/iio/dac/ad5686*
F: drivers/iio/dac/ad5696*
ANALOG DEVICES INC AD5758 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-iio@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
@@ -946,7 +958,7 @@ F: Documentation/devicetree/bindings/iio/adc/adi,ad7091r5.yaml
F: drivers/iio/adc/ad7091r5.c
ANALOG DEVICES INC AD7124 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-iio@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
@@ -970,7 +982,7 @@ F: Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml
F: drivers/iio/adc/ad7292.c
ANALOG DEVICES INC AD7606 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
M: Beniamin Bia <beniamin.bia@analog.com>
L: linux-iio@vger.kernel.org
S: Supported
@@ -979,7 +991,7 @@ F: Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml
F: drivers/iio/adc/ad7606.c
ANALOG DEVICES INC AD7768-1 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-iio@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
@@ -1040,7 +1052,7 @@ F: Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
F: drivers/hwmon/adm1177.c
ANALOG DEVICES INC ADP5061 DRIVER
-M: Stefan Popa <stefan.popa@analog.com>
+M: Michael Hennerich <Michael.Hennerich@analog.com>
L: linux-pm@vger.kernel.org
S: Supported
W: http://ez.analog.com/community/linux-device-drivers
@@ -1109,7 +1121,6 @@ F: drivers/iio/amplifiers/hmc425a.c
ANALOG DEVICES INC IIO DRIVERS
M: Lars-Peter Clausen <lars@metafoo.de>
M: Michael Hennerich <Michael.Hennerich@analog.com>
-M: Stefan Popa <stefan.popa@analog.com>
S: Supported
W: http://wiki.analog.com/
W: http://ez.analog.com/community/linux-device-drivers
@@ -1275,7 +1286,7 @@ L: netdev@vger.kernel.org
S: Supported
W: https://www.marvell.com/
Q: http://patchwork.ozlabs.org/project/netdev/list/
-F: Documentation/networking/device_drivers/aquantia/atlantic.txt
+F: Documentation/networking/device_drivers/aquantia/atlantic.rst
F: drivers/net/ethernet/aquantia/atlantic/
AQUANTIA ETHERNET DRIVER PTP SUBSYSTEM
@@ -2226,6 +2237,7 @@ F: drivers/*/qcom*
F: drivers/*/qcom/
F: drivers/bluetooth/btqcomsmd.c
F: drivers/clocksource/timer-qcom.c
+F: drivers/cpuidle/cpuidle-qcom-spm.c
F: drivers/extcon/extcon-qcom*
F: drivers/i2c/busses/i2c-qcom-geni.c
F: drivers/i2c/busses/i2c-qup.c
@@ -2850,14 +2862,14 @@ M: Nick Kossifidis <mickflemm@gmail.com>
M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/en/users/Drivers/ath5k
+W: https://wireless.wiki.kernel.org/en/users/Drivers/ath5k
F: drivers/net/wireless/ath/ath5k/
ATHEROS ATH6KL WIRELESS DRIVER
M: Kalle Valo <kvalo@codeaurora.org>
L: linux-wireless@vger.kernel.org
S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/ath6kl
+W: https://wireless.wiki.kernel.org/en/users/Drivers/ath6kl
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
F: drivers/net/wireless/ath/ath6kl/
@@ -3020,7 +3032,7 @@ B43 WIRELESS DRIVER
L: linux-wireless@vger.kernel.org
L: b43-dev@lists.infradead.org
S: Odd Fixes
-W: http://wireless.kernel.org/en/users/Drivers/b43
+W: https://wireless.wiki.kernel.org/en/users/Drivers/b43
F: drivers/net/wireless/broadcom/b43/
B43LEGACY WIRELESS DRIVER
@@ -3028,7 +3040,7 @@ M: Larry Finger <Larry.Finger@lwfinger.net>
L: linux-wireless@vger.kernel.org
L: b43-dev@lists.infradead.org
S: Maintained
-W: http://wireless.kernel.org/en/users/Drivers/b43
+W: https://wireless.wiki.kernel.org/en/users/Drivers/b43
F: drivers/net/wireless/broadcom/b43legacy/
BACKLIGHT CLASS/SUBSYSTEM
@@ -3192,7 +3204,7 @@ Q: https://patchwork.ozlabs.org/project/netdev/list/?delegate=77147
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
F: Documentation/bpf/
-F: Documentation/networking/filter.txt
+F: Documentation/networking/filter.rst
F: arch/*/net/*
F: include/linux/bpf*
F: include/linux/filter.h
@@ -3658,7 +3670,7 @@ L: linux-btrfs@vger.kernel.org
S: Maintained
W: http://btrfs.wiki.kernel.org/
Q: http://patchwork.kernel.org/project/linux-btrfs/list/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git
F: Documentation/filesystems/btrfs.rst
F: fs/btrfs/
F: include/linux/btrfs*
@@ -3731,7 +3743,7 @@ CACHEFILES: FS-CACHE BACKEND FOR CACHING ON MOUNTED FILESYSTEMS
M: David Howells <dhowells@redhat.com>
L: linux-cachefs@redhat.com (moderated for non-subscribers)
S: Supported
-F: Documentation/filesystems/caching/cachefiles.txt
+F: Documentation/filesystems/caching/cachefiles.rst
F: fs/cachefiles/
CADENCE MIPI-CSI2 BRIDGES
@@ -3843,7 +3855,7 @@ CARL9170 LINUX COMMUNITY WIRELESS DRIVER
M: Christian Lamparter <chunkeey@googlemail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/en/users/Drivers/carl9170
+W: https://wireless.wiki.kernel.org/en/users/Drivers/carl9170
F: drivers/net/wireless/ath/carl9170/
CAVIUM I2C DRIVER
@@ -3897,6 +3909,15 @@ S: Supported
W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family
F: drivers/crypto/ccree/
+CCTRNG ARM TRUSTZONE CRYPTOCELL TRUE RANDOM NUMBER GENERATOR (TRNG) DRIVER
+M: Hadar Gat <hadar.gat@arm.com>
+L: linux-crypto@vger.kernel.org
+S: Supported
+F: drivers/char/hw_random/cctrng.c
+F: drivers/char/hw_random/cctrng.h
+F: Documentation/devicetree/bindings/rng/arm-cctrng.txt
+W: https://developer.arm.com/products/system-ip/trustzone-cryptocell/cryptocell-700-family
+
CEC FRAMEWORK
M: Hans Verkuil <hverkuil-cisco@xs4all.nl>
L: linux-media@vger.kernel.org
@@ -3937,11 +3958,9 @@ F: arch/powerpc/platforms/cell/
CEPH COMMON CODE (LIBCEPH)
M: Ilya Dryomov <idryomov@gmail.com>
M: Jeff Layton <jlayton@kernel.org>
-M: Sage Weil <sage@redhat.com>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
T: git git://github.com/ceph/ceph-client.git
F: include/linux/ceph/
F: include/linux/crush/
@@ -3949,12 +3968,10 @@ F: net/ceph/
CEPH DISTRIBUTED FILE SYSTEM CLIENT (CEPH)
M: Jeff Layton <jlayton@kernel.org>
-M: Sage Weil <sage@redhat.com>
M: Ilya Dryomov <idryomov@gmail.com>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
T: git git://github.com/ceph/ceph-client.git
F: Documentation/filesystems/ceph.rst
F: fs/ceph/
@@ -4203,7 +4220,7 @@ M: coda@cs.cmu.edu
L: codalist@coda.cs.cmu.edu
S: Maintained
W: http://www.coda.cs.cmu.edu/
-F: Documentation/filesystems/coda.txt
+F: Documentation/filesystems/coda.rst
F: fs/coda/
F: include/linux/coda*.h
F: include/uapi/linux/coda*.h
@@ -4694,7 +4711,7 @@ F: net/ax25/sysctl_net_ax25.c
DAVICOM FAST ETHERNET (DMFE) NETWORK DRIVER
L: netdev@vger.kernel.org
S: Orphan
-F: Documentation/networking/device_drivers/dec/dmfe.txt
+F: Documentation/networking/device_drivers/dec/dmfe.rst
F: drivers/net/ethernet/dec/tulip/dmfe.c
DC390/AM53C974 SCSI driver
@@ -4728,7 +4745,7 @@ DECnet NETWORK LAYER
L: linux-decnet-user@lists.sourceforge.net
S: Orphan
W: http://linux-decnet.sourceforge.net
-F: Documentation/networking/decnet.txt
+F: Documentation/networking/decnet.rst
F: net/decnet/
DECSTATION PLATFORM SUPPORT
@@ -4996,7 +5013,7 @@ M: Jan Kara <jack@suse.cz>
R: Amir Goldstein <amir73il@gmail.com>
L: linux-fsdevel@vger.kernel.org
S: Maintained
-F: Documentation/filesystems/dnotify.txt
+F: Documentation/filesystems/dnotify.rst
F: fs/notify/dnotify/
F: include/linux/dnotify.h
@@ -5010,7 +5027,7 @@ W: http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
DISKQUOTA
M: Jan Kara <jack@suse.com>
S: Maintained
-F: Documentation/filesystems/quota.txt
+F: Documentation/filesystems/quota.rst
F: fs/quota/
F: include/linux/quota*.h
F: include/uapi/linux/quota*.h
@@ -5045,7 +5062,7 @@ F: drivers/dma-buf/
F: include/linux/*fence.h
F: include/linux/dma-buf*
F: include/linux/dma-resv.h
-K: dma_(buf|fence|resv)
+K: \bdma_(?:buf|fence|resv)\b
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
M: Vinod Koul <vkoul@kernel.org>
@@ -5178,6 +5195,7 @@ S: Maintained
F: drivers/soc/fsl/dpio
DPAA2 ETHERNET DRIVER
+M: Ioana Ciornei <ioana.ciornei@nxp.com>
M: Ioana Radulescu <ruxandra.radulescu@nxp.com>
L: netdev@vger.kernel.org
S: Maintained
@@ -5258,7 +5276,7 @@ DRM DRIVER FOR ARM VERSATILE TFT PANELS
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
T: git git://anongit.freedesktop.org/drm/drm-misc
-F: Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.txt
+F: Documentation/devicetree/bindings/display/panel/arm,versatile-tft-panel.yaml
F: drivers/gpu/drm/panel/panel-arm-versatile.c
DRM DRIVER FOR ASPEED BMC GFX
@@ -5284,7 +5302,7 @@ F: drivers/gpu/drm/bochs/
DRM DRIVER FOR BOE HIMAX8279D PANELS
M: Jerry Han <hanxu5@huaqin.corp-partner.google.com>
S: Maintained
-F: Documentation/devicetree/bindings/display/panel/boe,himax8279d.txt
+F: Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml
F: drivers/gpu/drm/panel/panel-boe-himax8279d.c
DRM DRIVER FOR FARADAY TVE200 TV ENCODER
@@ -5302,7 +5320,7 @@ F: drivers/gpu/drm/panel/panel-feixin-k101-im2ba02.c
DRM DRIVER FOR FEIYANG FY07024DI26A30-D MIPI-DSI LCD PANELS
M: Jagan Teki <jagan@amarulasolutions.com>
S: Maintained
-F: Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.txt
+F: Documentation/devicetree/bindings/display/panel/feiyang,fy07024di26a30d.yaml
F: drivers/gpu/drm/panel/panel-feiyang-fy07024di26a30d.c
DRM DRIVER FOR GRAIN MEDIA GM12U320 PROJECTORS
@@ -5337,6 +5355,14 @@ S: Orphan / Obsolete
F: drivers/gpu/drm/i810/
F: include/uapi/drm/i810_drm.h
+DRM DRIVER FOR LVDS PANELS
+M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L: dri-devel@lists.freedesktop.org
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/panel/panel-lvds.c
+F: Documentation/devicetree/bindings/display/panel/lvds.yaml
+
DRM DRIVER FOR MATROX G200/G400 GRAPHICS CARDS
S: Orphan / Obsolete
F: drivers/gpu/drm/mga/
@@ -5385,7 +5411,7 @@ F: include/uapi/drm/nouveau_drm.h
DRM DRIVER FOR OLIMEX LCD-OLINUXINO PANELS
M: Stefan Mavrodiev <stefan@olimex.com>
S: Maintained
-F: Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.txt
+F: Documentation/devicetree/bindings/display/panel/olimex,lcd-olinuxino.yaml
F: drivers/gpu/drm/panel/panel-olimex-lcd-olinuxino.c
DRM DRIVER FOR PERVASIVE DISPLAYS REPAPER PANELS
@@ -5402,7 +5428,7 @@ L: virtualization@lists.linux-foundation.org
S: Obsolete
W: https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
T: git git://anongit.freedesktop.org/drm/drm-misc
-F: drivers/gpu/drm/cirrus/
+F: drivers/gpu/drm/tiny/cirrus.c
DRM DRIVER FOR QXL VIRTUAL GPU
M: Dave Airlie <airlied@redhat.com>
@@ -5452,7 +5478,7 @@ F: drivers/gpu/drm/tiny/st7586.c
DRM DRIVER FOR SITRONIX ST7701 PANELS
M: Jagan Teki <jagan@amarulasolutions.com>
S: Maintained
-F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.txt
+F: Documentation/devicetree/bindings/display/panel/sitronix,st7701.yaml
F: drivers/gpu/drm/panel/panel-sitronix-st7701.c
DRM DRIVER FOR SITRONIX ST7735R PANELS
@@ -5513,10 +5539,10 @@ F: drivers/gpu/drm/vboxvideo/
DRM DRIVER FOR VMWARE VIRTUAL GPU
M: "VMware Graphics" <linux-graphics-maintainer@vmware.com>
-M: Thomas Hellstrom <thellstrom@vmware.com>
+M: Roland Scheidegger <sroland@vmware.com>
L: dri-devel@lists.freedesktop.org
S: Supported
-T: git git://people.freedesktop.org/~thomash/linux
+T: git git://people.freedesktop.org/~sroland/linux
F: drivers/gpu/drm/vmwgfx/
F: include/uapi/drm/vmwgfx_drm.h
@@ -5937,9 +5963,9 @@ F: lib/dynamic_debug.c
DYNAMIC INTERRUPT MODERATION
M: Tal Gilboa <talgi@mellanox.com>
S: Maintained
+F: Documentation/networking/net_dim.rst
F: include/linux/dim.h
F: lib/dim/
-F: Documentation/networking/net_dim.rst
DZ DECSTATION DZ11 SERIAL DRIVER
M: "Maciej W. Rozycki" <macro@linux-mips.org>
@@ -6178,7 +6204,6 @@ M: Yash Shah <yash.shah@sifive.com>
L: linux-edac@vger.kernel.org
S: Supported
F: drivers/edac/sifive_edac.c
-F: drivers/soc/sifive_l2_cache.c
EDAC-SKYLAKE
M: Tony Luck <tony.luck@intel.com>
@@ -6719,6 +6744,13 @@ S: Maintained
F: Documentation/devicetree/bindings/crypto/fsl-sec4.txt
F: drivers/crypto/caam/
+FREESCALE COLDFIRE M5441X MMC DRIVER
+M: Angelo Dureghello <angelo.dureghello@timesys.com>
+L: linux-mmc@vger.kernel.org
+S: Maintained
+F: drivers/mmc/host/sdhci-esdhc-mcf.c
+F: include/linux/platform_data/mmc-esdhc-mcf.h
+
FREESCALE DIU FRAMEBUFFER DRIVER
M: Timur Tabi <timur@kernel.org>
L: linux-fbdev@vger.kernel.org
@@ -7026,13 +7058,24 @@ R: Darren Hart <dvhart@infradead.org>
L: linux-kernel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
-F: Documentation/*futex*
+F: Documentation/locking/*futex*
F: include/asm-generic/futex.h
F: include/linux/futex.h
F: include/uapi/linux/futex.h
F: kernel/futex.c
F: tools/perf/bench/futex*
-F: tools/testing/selftests/futex/
+F: Documentation/locking/*futex*
+
+GATEWORKS SYSTEM CONTROLLER (GSC) DRIVER
+M: Tim Harvey <tharvey@gateworks.com>
+M: Robert Jones <rjones@gateworks.com>
+S: Maintained
+F: Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
+F: drivers/mfd/gateworks-gsc.c
+F: include/linux/mfd/gsc.h
+F: Documentation/hwmon/gsc-hwmon.rst
+F: drivers/hwmon/gsc-hwmon.c
+F: include/linux/platform_data/gsc_hwmon.h
GASKET DRIVER FRAMEWORK
M: Rob Springer <rspringer@google.com>
@@ -7121,9 +7164,10 @@ F: include/uapi/asm-generic/
GENERIC PHY FRAMEWORK
M: Kishon Vijay Abraham I <kishon@ti.com>
+M: Vinod Koul <vkoul@kernel.org>
L: linux-kernel@vger.kernel.org
S: Supported
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy.git
F: Documentation/devicetree/bindings/phy/
F: drivers/phy/
F: include/linux/phy/
@@ -7501,7 +7545,7 @@ L: linux-remoteproc@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc.git hwspinlock-next
F: Documentation/devicetree/bindings/hwlock/
-F: Documentation/hwspinlock.txt
+F: Documentation/locking/hwspinlock.rst
F: drivers/hwspinlock/
F: include/linux/hwspinlock.h
@@ -7734,7 +7778,9 @@ L: linux-mm@kvack.org
S: Maintained
F: Documentation/vm/hmm.rst
F: include/linux/hmm*
+F: lib/test_hmm*
F: mm/hmm*
+F: tools/testing/selftests/vm/*hmm*
HOST AP DRIVER
M: Jouni Malinen <j@w1.fi>
@@ -7748,11 +7794,6 @@ L: platform-driver-x86@vger.kernel.org
S: Orphan
F: drivers/platform/x86/tc1100-wmi.c
-HP100: Driver for HP 10/100 Mbit/s Voice Grade Network Adapter Series
-M: Jaroslav Kysela <perex@perex.cz>
-S: Obsolete
-F: drivers/staging/hp/hp100.*
-
HPET: High Precision Event Timers driver
M: Clemens Ladisch <clemens@ladisch.de>
S: Maintained
@@ -7813,10 +7854,10 @@ F: Documentation/devicetree/bindings/iio/humidity/hts221.txt
F: drivers/iio/humidity/hts221*
HUAWEI ETHERNET DRIVER
-M: Aviad Krawczyk <aviad.krawczyk@huawei.com>
+M: Bin Luo <luobin9@huawei.com>
L: netdev@vger.kernel.org
S: Supported
-F: Documentation/networking/hinic.txt
+F: Documentation/networking/hinic.rst
F: drivers/net/ethernet/huawei/hinic/
HUGETLB FILESYSTEM
@@ -7839,7 +7880,7 @@ T: git git://linuxtv.org/media_tree.git
F: drivers/media/platform/sti/hva
HWPOISON MEMORY FAILURE HANDLING
-M: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
+M: Naoya Horiguchi <naoya.horiguchi@nec.com>
L: linux-mm@kvack.org
S: Maintained
F: mm/hwpoison-inject.c
@@ -7868,7 +7909,7 @@ S: Supported
T: git git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux.git
F: Documentation/ABI/stable/sysfs-bus-vmbus
F: Documentation/ABI/testing/debugfs-hyperv
-F: Documentation/networking/device_drivers/microsoft/netvsc.txt
+F: Documentation/networking/device_drivers/microsoft/netvsc.rst
F: arch/x86/hyperv
F: arch/x86/include/asm/hyperv-tlfs.h
F: arch/x86/include/asm/mshyperv.h
@@ -7885,6 +7926,7 @@ F: drivers/pci/controller/pci-hyperv.c
F: drivers/scsi/storvsc_drv.c
F: drivers/uio/uio_hv_generic.c
F: drivers/video/fbdev/hyperv_fb.c
+F: include/asm-generic/hyperv-tlfs.h
F: include/asm-generic/mshyperv.h
F: include/clocksource/hyperv_timer.h
F: include/linux/hyperv.h
@@ -7951,7 +7993,7 @@ F: Documentation/i2c/busses/i2c-parport.rst
F: drivers/i2c/busses/i2c-parport.c
I2C SUBSYSTEM
-M: Wolfram Sang <wsa@the-dreams.de>
+M: Wolfram Sang <wsa@kernel.org>
L: linux-i2c@vger.kernel.org
S: Maintained
W: https://i2c.wiki.kernel.org/
@@ -8501,6 +8543,13 @@ L: platform-driver-x86@vger.kernel.org
S: Maintained
F: drivers/platform/x86/intel_atomisp2_pm.c
+INTEL BROXTON PMC DRIVER
+M: Mika Westerberg <mika.westerberg@linux.intel.com>
+M: Zha Qipeng <qipeng.zha@intel.com>
+S: Maintained
+F: drivers/mfd/intel_pmc_bxt.c
+F: include/linux/mfd/intel_pmc_bxt.h
+
INTEL C600 SERIES SAS CONTROLLER DRIVER
M: Intel SCU Linux support <intel-linux-scu@intel.com>
M: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
@@ -8710,6 +8759,13 @@ F: include/uapi/linux/mic_common.h
F: include/uapi/linux/mic_ioctl.h
F: include/uapi/linux/scif_ioctl.h
+INTEL P-Unit IPC DRIVER
+M: Zha Qipeng <qipeng.zha@intel.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: arch/x86/include/asm/intel_punit_ipc.h
+F: drivers/platform/x86/intel_punit_ipc.c
+
INTEL PMC CORE DRIVER
M: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
M: Vishwanath Somayaji <vishwanath.somayaji@intel.com>
@@ -8717,15 +8773,6 @@ L: platform-driver-x86@vger.kernel.org
S: Maintained
F: drivers/platform/x86/intel_pmc_core*
-INTEL PMC/P-Unit IPC DRIVER
-M: Zha Qipeng<qipeng.zha@intel.com>
-L: platform-driver-x86@vger.kernel.org
-S: Maintained
-F: arch/x86/include/asm/intel_pmc_ipc.h
-F: arch/x86/include/asm/intel_punit_ipc.h
-F: drivers/platform/x86/intel_pmc_ipc.c
-F: drivers/platform/x86/intel_punit_ipc.c
-
INTEL PMIC GPIO DRIVERS
M: Andy Shevchenko <andy@kernel.org>
S: Maintained
@@ -8745,8 +8792,8 @@ INTEL PRO/WIRELESS 2100, 2200BG, 2915ABG NETWORK CONNECTION SUPPORT
M: Stanislav Yakovlev <stas.yakovlev@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
-F: Documentation/networking/device_drivers/intel/ipw2100.txt
-F: Documentation/networking/device_drivers/intel/ipw2200.txt
+F: Documentation/networking/device_drivers/intel/ipw2100.rst
+F: Documentation/networking/device_drivers/intel/ipw2200.rst
F: drivers/net/wireless/intel/ipw2x00/
INTEL PSTATE DRIVER
@@ -8764,6 +8811,12 @@ S: Supported
F: drivers/infiniband/hw/i40iw/
F: include/uapi/rdma/i40iw-abi.h
+INTEL SCU DRIVERS
+M: Mika Westerberg <mika.westerberg@linux.intel.com>
+S: Maintained
+F: arch/x86/include/asm/intel_scu_ipc.h
+F: drivers/platform/x86/intel_scu_*
+
INTEL SPEED SELECT TECHNOLOGY
M: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
L: platform-driver-x86@vger.kernel.org
@@ -8830,6 +8883,13 @@ F: Documentation/admin-guide/wimax/i2400m.rst
F: drivers/net/wimax/i2400m/
F: include/uapi/linux/wimax/i2400m.h
+INTEL WMI SLIM BOOTLOADER (SBL) FIRMWARE UPDATE DRIVER
+M: Jithu Joseph <jithu.joseph@intel.com>
+R: Maurice Ma <maurice.ma@intel.com>
+S: Maintained
+W: https://slimbootloader.github.io/security/firmware-update.html
+F: drivers/platform/x86/intel-wmi-sbl-fw-update.c
+
INTEL WMI THUNDERBOLT FORCE POWER DRIVER
M: Mario Limonciello <mario.limonciello@dell.com>
S: Maintained
@@ -8915,7 +8975,7 @@ M: Corey Minyard <minyard@acm.org>
L: openipmi-developer@lists.sourceforge.net (moderated for non-subscribers)
S: Supported
W: http://openipmi.sourceforge.net/
-F: Documentation/IPMI.txt
+F: Documentation/driver-api/ipmi.rst
F: Documentation/devicetree/bindings/ipmi/
F: drivers/char/ipmi/
F: include/linux/ipmi*
@@ -8937,7 +8997,7 @@ L: lvs-devel@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git
-F: Documentation/networking/ipvs-sysctl.txt
+F: Documentation/networking/ipvs-sysctl.rst
F: include/net/ip_vs.h
F: include/uapi/linux/ip_vs.h
F: net/netfilter/ipvs/
@@ -8957,7 +9017,7 @@ IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
M: Marc Zyngier <maz@kernel.org>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
-F: Documentation/IRQ-domain.txt
+F: Documentation/core-api/irq/irq-domain.rst
F: include/linux/irqdomain.h
F: kernel/irq/irqdomain.c
F: kernel/irq/msi.c
@@ -9197,6 +9257,11 @@ L: kexec@lists.infradead.org
S: Maintained
W: http://lse.sourceforge.net/kdump/
F: Documentation/admin-guide/kdump/
+F: fs/proc/vmcore.c
+F: include/linux/crash_core.h
+F: include/linux/crash_dump.h
+F: include/uapi/linux/vmcore.h
+F: kernel/crash_*.c
KEENE FM RADIO TRANSMITTER DRIVER
M: Hans Verkuil <hverkuil@xs4all.nl>
@@ -9307,7 +9372,6 @@ F: arch/arm64/include/asm/kvm*
F: arch/arm64/include/uapi/asm/kvm*
F: arch/arm64/kvm/
F: include/kvm/arm_*
-F: virt/kvm/arm/
KERNEL VIRTUAL MACHINE FOR MIPS (KVM/mips)
L: linux-mips@vger.kernel.org
@@ -9333,6 +9397,7 @@ M: Christian Borntraeger <borntraeger@de.ibm.com>
M: Janosch Frank <frankja@linux.ibm.com>
R: David Hildenbrand <david@redhat.com>
R: Cornelia Huck <cohuck@redhat.com>
+R: Claudio Imbrenda <imbrenda@linux.ibm.com>
L: kvm@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
@@ -9420,6 +9485,13 @@ F: include/linux/keyctl.h
F: include/uapi/linux/keyctl.h
F: security/keys/
+KFIFO
+M: Stefani Seibold <stefani@seibold.net>
+S: Maintained
+F: include/linux/kfifo.h
+F: lib/kfifo.c
+F: samples/kfifo/
+
KGDB / KDB /debug_core
M: Jason Wessel <jason.wessel@windriver.com>
M: Daniel Thompson <daniel.thompson@linaro.org>
@@ -9510,7 +9582,7 @@ F: drivers/soc/lantiq
LAPB module
L: linux-x25@vger.kernel.org
S: Orphan
-F: Documentation/networking/lapb-module.txt
+F: Documentation/networking/lapb-module.rst
F: include/*/lapb.h
F: net/lapb/
@@ -9724,6 +9796,13 @@ F: drivers/lightnvm/
F: include/linux/lightnvm.h
F: include/uapi/linux/lightnvm.h
+LINEAR RANGES HELPERS
+M: Mark Brown <broonie@kernel.org>
+R: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
+F: lib/linear_ranges.c
+F: lib/test_linear_ranges.c
+F: include/linux/linear_range.h
+
LINUX FOR POWER MACINTOSH
M: Benjamin Herrenschmidt <benh@kernel.crashing.org>
L: linuxppc-dev@lists.ozlabs.org
@@ -10071,10 +10150,10 @@ MAC80211
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
-F: Documentation/networking/mac80211-injection.txt
+F: Documentation/networking/mac80211-injection.rst
F: Documentation/networking/mac80211_hwsim/mac80211_hwsim.rst
F: drivers/net/wireless/mac80211_hwsim.[ch]
F: include/net/mac80211.h
@@ -10668,6 +10747,13 @@ L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/mediatek/
+MEDIATEK I2C CONTROLLER DRIVER
+M: Qii Wang <qii.wang@mediatek.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/i2c/i2c-mt65xx.txt
+F: drivers/i2c/busses/i2c-mt65xx.c
+
MEDIATEK JPEG DRIVER
M: Rick Chang <rick.chang@mediatek.com>
M: Bin Liu <bin.liu@mediatek.com>
@@ -10703,7 +10789,6 @@ MEDIATEK MT76 WIRELESS LAN DRIVER
M: Felix Fietkau <nbd@nbd.name>
M: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
R: Ryder Lee <ryder.lee@mediatek.com>
-R: Roy Luo <royluo@google.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/mediatek/mt76/
@@ -11656,8 +11741,8 @@ NETERION 10GbE DRIVERS (s2io/vxge)
M: Jon Mason <jdmason@kudzu.us>
L: netdev@vger.kernel.org
S: Supported
-F: Documentation/networking/device_drivers/neterion/s2io.txt
-F: Documentation/networking/device_drivers/neterion/vxge.txt
+F: Documentation/networking/device_drivers/neterion/s2io.rst
+F: Documentation/networking/device_drivers/neterion/vxge.rst
F: drivers/net/ethernet/neterion/
NETFILTER
@@ -11719,8 +11804,9 @@ F: net/core/drop_monitor.c
NETWORKING DRIVERS
M: "David S. Miller" <davem@davemloft.net>
+M: Jakub Kicinski <kuba@kernel.org>
L: netdev@vger.kernel.org
-S: Odd Fixes
+S: Maintained
W: http://www.linuxfoundation.org/en/Net
Q: http://patchwork.ozlabs.org/project/netdev/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
@@ -12666,7 +12752,7 @@ F: fs/orangefs/
ORINOCO DRIVER
L: linux-wireless@vger.kernel.org
S: Orphan
-W: http://wireless.kernel.org/en/users/Drivers/orinoco
+W: https://wireless.wiki.kernel.org/en/users/Drivers/orinoco
W: http://www.nongnu.org/orinoco/
F: drivers/net/wireless/intersil/orinoco/
@@ -12692,7 +12778,7 @@ P54 WIRELESS DRIVER
M: Christian Lamparter <chunkeey@googlemail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/en/users/Drivers/p54
+W: https://wireless.wiki.kernel.org/en/users/Drivers/p54
F: drivers/net/wireless/intersil/p54/
PACKING
@@ -12773,7 +12859,7 @@ M: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
M: Helge Deller <deller@gmx.de>
L: linux-parisc@vger.kernel.org
S: Maintained
-W: http://www.parisc-linux.org/
+W: https://parisc.wiki.kernel.org
Q: http://patchwork.kernel.org/project/linux-parisc/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
@@ -13060,7 +13146,7 @@ F: drivers/pci/controller/pci-xgene-msi.c
PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
-R: Andrew Murray <amurray@thegoodpenguin.co.uk>
+R: Rob Herring <robh@kernel.org>
L: linux-pci@vger.kernel.org
S: Supported
Q: http://patchwork.ozlabs.org/project/linux-pci/list/
@@ -13272,7 +13358,7 @@ F: drivers/input/joystick/pxrc.c
PHONET PROTOCOL
M: Remi Denis-Courmont <courmisch@gmail.com>
S: Supported
-F: Documentation/networking/phonet.txt
+F: Documentation/networking/phonet.rst
F: include/linux/phonet.h
F: include/net/phonet/
F: include/uapi/linux/phonet.h
@@ -13613,7 +13699,7 @@ PRISM54 WIRELESS DRIVER
M: Luis Chamberlain <mcgrof@kernel.org>
L: linux-wireless@vger.kernel.org
S: Obsolete
-W: http://wireless.kernel.org/en/users/Drivers/p54
+W: https://wireless.wiki.kernel.org/en/users/Drivers/p54
F: drivers/net/wireless/intersil/prism54/
PROC FILESYSTEM
@@ -13682,6 +13768,7 @@ M: Tony Luck <tony.luck@intel.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore
F: Documentation/admin-guide/ramoops.rst
+F: Documentation/admin-guide/pstore-blk.rst
F: Documentation/devicetree/bindings/reserved-memory/ramoops.txt
F: drivers/acpi/apei/erst.c
F: drivers/firmware/efi/efi-pstore.c
@@ -13954,7 +14041,7 @@ QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M: Kalle Valo <kvalo@codeaurora.org>
L: ath10k@lists.infradead.org
S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/ath10k
+W: https://wireless.wiki.kernel.org/en/users/Drivers/ath10k
T: git git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
F: drivers/net/wireless/ath/ath10k/
@@ -13969,7 +14056,7 @@ QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
M: QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
L: linux-wireless@vger.kernel.org
S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/ath9k
+W: https://wireless.wiki.kernel.org/en/users/Drivers/ath9k
F: drivers/net/wireless/ath/ath9k/
QUALCOMM CAMERA SUBSYSTEM DRIVER
@@ -14041,7 +14128,7 @@ M: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
M: Sean Tranchetti <stranche@codeaurora.org>
L: netdev@vger.kernel.org
S: Maintained
-F: Documentation/networking/device_drivers/qualcomm/rmnet.txt
+F: Documentation/networking/device_drivers/qualcomm/rmnet.rst
F: drivers/net/ethernet/qualcomm/rmnet/
F: include/linux/if_rmnet.h
@@ -14066,14 +14153,13 @@ QUALCOMM WCN36XX WIRELESS DRIVER
M: Kalle Valo <kvalo@codeaurora.org>
L: wcn36xx@lists.infradead.org
S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/wcn36xx
+W: https://wireless.wiki.kernel.org/en/users/Drivers/wcn36xx
T: git git://github.com/KrasnikovEugene/wcn36xx.git
F: drivers/net/wireless/ath/wcn36xx/
QUANTENNA QTNFMAC WIRELESS DRIVER
M: Igor Mitsyanko <imitsyanko@quantenna.com>
-M: Avinash Patil <avinashp@quantenna.com>
-M: Sergey Matyukevich <smatyukevich@quantenna.com>
+R: Sergey Matyukevich <geomatsi@gmail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
F: drivers/net/wireless/quantenna
@@ -14081,7 +14167,6 @@ F: drivers/net/wireless/quantenna
RADEON and AMDGPU DRM DRIVERS
M: Alex Deucher <alexander.deucher@amd.com>
M: Christian König <christian.koenig@amd.com>
-M: David (ChunMing) Zhou <David1.Zhou@amd.com>
L: amd-gfx@lists.freedesktop.org
S: Supported
T: git git://people.freedesktop.org/~agd5f/linux
@@ -14114,12 +14199,10 @@ F: drivers/media/radio/radio-tea5777.c
RADOS BLOCK DEVICE (RBD)
M: Ilya Dryomov <idryomov@gmail.com>
-M: Sage Weil <sage@redhat.com>
R: Dongsheng Yang <dongsheng.yang@easystack.cn>
L: ceph-devel@vger.kernel.org
S: Supported
W: http://ceph.com/
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
T: git git://github.com/ceph/ceph-client.git
F: Documentation/ABI/testing/sysfs-bus-rbd
F: drivers/block/rbd.c
@@ -14230,7 +14313,7 @@ L: linux-rdma@vger.kernel.org
L: rds-devel@oss.oracle.com (moderated for non-subscribers)
S: Supported
W: https://oss.oracle.com/projects/rds/
-F: Documentation/networking/rds.txt
+F: Documentation/networking/rds.rst
F: net/rds/
RDT - RESOURCE ALLOCATION
@@ -14239,7 +14322,7 @@ M: Reinette Chatre <reinette.chatre@intel.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: Documentation/x86/resctrl*
-F: arch/x86/include/asm/resctrl_sched.h
+F: arch/x86/include/asm/resctrl.h
F: arch/x86/kernel/cpu/resctrl/
F: tools/testing/selftests/resctrl/
@@ -14294,7 +14377,7 @@ REALTEK WIRELESS DRIVER (rtlwifi family)
M: Ping-Ke Shih <pkshih@realtek.com>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
F: drivers/net/wireless/realtek/rtlwifi/
@@ -14429,7 +14512,7 @@ RFKILL
M: Johannes Berg <johannes@sipsolutions.net>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
F: Documentation/ABI/stable/sysfs-class-rfkill
@@ -14587,7 +14670,7 @@ F: drivers/media/dvb-frontends/rtl2832_sdr*
RTL8180 WIRELESS DRIVER
L: linux-wireless@vger.kernel.org
S: Orphan
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
F: drivers/net/wireless/realtek/rtl818x/rtl8180/
@@ -14597,7 +14680,7 @@ M: Hin-Tak Leung <htl10@users.sourceforge.net>
M: Larry Finger <Larry.Finger@lwfinger.net>
L: linux-wireless@vger.kernel.org
S: Maintained
-W: http://wireless.kernel.org/
+W: https://wireless.wiki.kernel.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
F: drivers/net/wireless/realtek/rtl818x/rtl8187/
@@ -14613,7 +14696,7 @@ M: David Howells <dhowells@redhat.com>
L: linux-afs@lists.infradead.org
S: Supported
W: https://www.infradead.org/~dhowells/kafs/
-F: Documentation/networking/rxrpc.txt
+F: Documentation/networking/rxrpc.rst
F: include/keys/rxrpc-type.h
F: include/net/af_rxrpc.h
F: include/trace/events/rxrpc.h
@@ -14655,6 +14738,7 @@ S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: block/partitions/ibm.c
F: drivers/s390/block/dasd*
+F: include/linux/dasd_mod.h
S390 IOMMU (PCI)
M: Gerald Schaefer <gerald.schaefer@de.ibm.com>
@@ -14665,6 +14749,7 @@ F: drivers/iommu/s390-iommu.c
S390 IUCV NETWORK LAYER
M: Julian Wiedmann <jwi@linux.ibm.com>
+M: Karsten Graul <kgraul@linux.ibm.com>
M: Ursula Braun <ubraun@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
@@ -14675,6 +14760,7 @@ F: net/iucv/
S390 NETWORK DRIVERS
M: Julian Wiedmann <jwi@linux.ibm.com>
+M: Karsten Graul <kgraul@linux.ibm.com>
M: Ursula Braun <ubraun@linux.ibm.com>
L: linux-s390@vger.kernel.org
S: Supported
@@ -15019,7 +15105,7 @@ M: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
L: linux-sctp@vger.kernel.org
S: Maintained
W: http://lksctp.sourceforge.net
-F: Documentation/networking/sctp.txt
+F: Documentation/networking/sctp.rst
F: include/linux/sctp.h
F: include/net/sctp/
F: include/uapi/linux/sctp.h
@@ -15490,6 +15576,15 @@ M: Nicolas Pitre <nico@fluxnic.net>
S: Odd Fixes
F: drivers/net/ethernet/smsc/smc91x.*
+SECURE MONITOR CALL(SMC) CALLING CONVENTION (SMCCC)
+M: Mark Rutland <mark.rutland@arm.com>
+M: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
+M: Sudeep Holla <sudeep.holla@arm.com>
+L: linux-arm-kernel@lists.infradead.org
+S: Maintained
+F: drivers/firmware/smccc/
+F: include/linux/arm-smccc.h
+
SMIA AND SMIA++ IMAGE SENSOR DRIVER
M: Sakari Ailus <sakari.ailus@linux.intel.com>
L: linux-media@vger.kernel.org
@@ -15558,7 +15653,7 @@ SOCIONEXT (SNI) AVE NETWORK DRIVER
M: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
L: netdev@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/net/socionext,uniphier-ave4.txt
+F: Documentation/devicetree/bindings/net/socionext,uniphier-ave4.yaml
F: drivers/net/ethernet/socionext/sni_ave.c
SOCIONEXT (SNI) NETSEC NETWORK DRIVER
@@ -15666,7 +15761,7 @@ F: drivers/ssb/
F: include/linux/ssb/
SONY IMX214 SENSOR DRIVER
-M: Ricardo Ribalda <ricardo.ribalda@gmail.com>
+M: Ricardo Ribalda <ribalda@kernel.org>
L: linux-media@vger.kernel.org
S: Maintained
T: git git://linuxtv.org/media_tree.git
@@ -15889,7 +15984,7 @@ SPIDERNET NETWORK DRIVER for CELL
M: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
L: netdev@vger.kernel.org
S: Supported
-F: Documentation/networking/device_drivers/toshiba/spider_net.txt
+F: Documentation/networking/device_drivers/toshiba/spider_net.rst
F: drivers/net/ethernet/toshiba/spider_net*
SPMI SUBSYSTEM
@@ -15906,7 +16001,7 @@ M: Jeremy Kerr <jk@ozlabs.org>
L: linuxppc-dev@lists.ozlabs.org
S: Supported
W: http://www.ibm.com/developerworks/power/cell/
-F: Documentation/filesystems/spufs.txt
+F: Documentation/filesystems/spufs/spufs.rst
F: arch/powerpc/platforms/cell/spufs/
SQUASHFS FILE SYSTEM
@@ -16660,7 +16755,7 @@ S: Maintained
F: sound/soc/ti/
TEXAS INSTRUMENTS' DAC7612 DAC DRIVER
-M: Ricardo Ribalda <ricardo@ribalda.com>
+M: Ricardo Ribalda <ribalda@kernel.org>
L: linux-iio@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/iio/dac/ti,dac7612.txt
@@ -16954,8 +17049,8 @@ F: drivers/media/platform/ti-vpe/
TI WILINK WIRELESS DRIVERS
L: linux-wireless@vger.kernel.org
S: Orphan
-W: http://wireless.kernel.org/en/users/Drivers/wl12xx
-W: http://wireless.kernel.org/en/users/Drivers/wl1251
+W: https://wireless.wiki.kernel.org/en/users/Drivers/wl12xx
+W: https://wireless.wiki.kernel.org/en/users/Drivers/wl1251
T: git git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx.git
F: drivers/net/wireless/ti/
F: include/linux/wl12xx.h
@@ -16993,7 +17088,7 @@ M: Samuel Chessman <chessman@tux.org>
L: tlan-devel@lists.sourceforge.net (subscribers-only)
S: Maintained
W: http://sourceforge.net/projects/tlan/
-F: Documentation/networking/device_drivers/ti/tlan.txt
+F: Documentation/networking/device_drivers/ti/tlan.rst
F: drivers/net/ethernet/ti/tlan.*
TM6000 VIDEO4LINUX DRIVER
@@ -17183,7 +17278,7 @@ TUN/TAP driver
M: Maxim Krasnyansky <maxk@qti.qualcomm.com>
S: Maintained
W: http://vtun.sourceforge.net/tun
-F: Documentation/networking/tuntap.txt
+F: Documentation/networking/tuntap.rst
F: arch/um/os-Linux/drivers/
TURBOCHANNEL SUBSYSTEM
@@ -18128,7 +18223,7 @@ M: David Ahern <dsahern@kernel.org>
M: Shrijeet Mukherjee <shrijeet@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
-F: Documentation/networking/vrf.txt
+F: Documentation/networking/vrf.rst
F: drivers/net/vrf.c
VSPRINTF
@@ -18237,7 +18332,7 @@ M: Maya Erez <merez@codeaurora.org>
L: linux-wireless@vger.kernel.org
L: wil6210@qti.qualcomm.com
S: Supported
-W: http://wireless.kernel.org/en/users/Drivers/wil6210
+W: https://wireless.wiki.kernel.org/en/users/Drivers/wil6210
F: drivers/net/wireless/ath/wil6210/
WIMAX STACK
@@ -18473,8 +18568,12 @@ R: Jonathan Lemon <jonathan.lemon@gmail.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
S: Maintained
-F: kernel/bpf/xskmap.c
+F: include/net/xdp_sock*
+F: include/net/xsk_buff_pool.h
+F: include/uapi/linux/if_xdp.h
F: net/xdp/
+F: samples/bpf/xdpsock*
+F: tools/lib/bpf/xsk*
XEN BLOCK SUBSYSTEM
M: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
@@ -18564,8 +18663,8 @@ W: http://xfs.org/
T: git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
F: Documentation/ABI/testing/sysfs-fs-xfs
F: Documentation/admin-guide/xfs.rst
-F: Documentation/filesystems/xfs-delayed-logging-design.txt
-F: Documentation/filesystems/xfs-self-describing-metadata.txt
+F: Documentation/filesystems/xfs-delayed-logging-design.rst
+F: Documentation/filesystems/xfs-self-describing-metadata.rst
F: fs/xfs/
F: include/uapi/linux/dqblk_xfs.h
F: include/uapi/linux/fsmap.h
@@ -18666,7 +18765,7 @@ L: linux-hams@vger.kernel.org
S: Maintained
W: http://yaina.de/jreuter/
W: http://www.qsl.net/dl1bke/
-F: Documentation/networking/z8530drv.txt
+F: Documentation/networking/z8530drv.rst
F: drivers/net/hamradio/*scc.c
F: drivers/net/hamradio/z8530.h
diff --git a/Makefile b/Makefile
index 49b2709ff44e..a7bc91cbac8f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 7
SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION =
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
@@ -729,10 +729,6 @@ else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
endif
-ifdef CONFIG_CC_DISABLE_WARN_MAYBE_UNINITIALIZED
-KBUILD_CFLAGS += -Wno-maybe-uninitialized
-endif
-
# Tell gcc to never replace conditional load with a non-conditional one
KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0)
KBUILD_CFLAGS += $(call cc-option,-fno-allow-store-data-races)
@@ -866,6 +862,12 @@ ifdef CONFIG_LIVEPATCH
KBUILD_CFLAGS += $(call cc-option, -flive-patching=inline-clone)
endif
+ifdef CONFIG_SHADOW_CALL_STACK
+CC_FLAGS_SCS := -fsanitize=shadow-call-stack
+KBUILD_CFLAGS += $(CC_FLAGS_SCS)
+export CC_FLAGS_SCS
+endif
+
# arch Makefile may override CC so keep this after arch Makefile is included
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
@@ -881,6 +883,17 @@ KBUILD_CFLAGS += -Wno-pointer-sign
# disable stringop warnings in gcc 8+
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
+# We'll want to enable this eventually, but it's not going away for 5.7 at least
+KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds)
+KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
+KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
+
+# Another good warning that we'll want to enable eventually
+KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
+
+# Enabled with W=2, disabled by default as noisy
+KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized)
+
# disable invalid "can't wrap" optimizations for signed / pointers
KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
diff --git a/arch/Kconfig b/arch/Kconfig
index 786a85d4ad40..2e6f843d87c4 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -533,6 +533,31 @@ config STACKPROTECTOR_STRONG
about 20% of all kernel functions, which increases the kernel code
size by about 2%.
+config ARCH_SUPPORTS_SHADOW_CALL_STACK
+ bool
+ help
+ An architecture should select this if it supports Clang's Shadow
+ Call Stack and implements runtime support for shadow stack
+ switching.
+
+config SHADOW_CALL_STACK
+ bool "Clang Shadow Call Stack"
+ depends on CC_IS_CLANG && ARCH_SUPPORTS_SHADOW_CALL_STACK
+ depends on DYNAMIC_FTRACE_WITH_REGS || !FUNCTION_GRAPH_TRACER
+ help
+ This option enables Clang's Shadow Call Stack, which uses a
+ shadow stack to protect function return addresses from being
+ overwritten by an attacker. More information can be found in
+ Clang's documentation:
+
+ https://clang.llvm.org/docs/ShadowCallStack.html
+
+ Note that security guarantees in the kernel differ from the
+ ones documented for user space. The kernel must store addresses
+ of shadow stacks in memory, which means an attacker capable of
+ reading and writing arbitrary memory may be able to locate them
+ and hijack control flow by modifying the stacks.
+
config HAVE_ARCH_WITHIN_STACK_FRAMES
bool
help
diff --git a/arch/alpha/include/asm/checksum.h b/arch/alpha/include/asm/checksum.h
index 473e6ccb65a3..0eac81624d01 100644
--- a/arch/alpha/include/asm/checksum.h
+++ b/arch/alpha/include/asm/checksum.h
@@ -41,7 +41,8 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
* here even more important to align src and dst on a 32-bit (or even
* better 64-bit) boundary
*/
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp);
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+__wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp);
__wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h
index 942924756cf2..8dfdb3aa1d96 100644
--- a/arch/alpha/include/asm/floppy.h
+++ b/arch/alpha/include/asm/floppy.h
@@ -11,8 +11,8 @@
#define __ASM_ALPHA_FLOPPY_H
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
+#define fd_inb(base, reg) inb_p((base) + (reg))
+#define fd_outb(value, base, reg) outb_p(value, (base) + (reg))
#define fd_enable_dma() enable_dma(FLOPPY_DMA)
#define fd_disable_dma() disable_dma(FLOPPY_DMA)
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 36d42da7466a..5ddd128d4b7a 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -477,3 +477,4 @@
# 545 reserved for clone3
547 common openat2 sys_openat2
548 common pidfd_getfd sys_pidfd_getfd
+549 common faccessat2 sys_faccessat2
diff --git a/arch/alpha/lib/csum_partial_copy.c b/arch/alpha/lib/csum_partial_copy.c
index e53f96e8aa6d..af1dad74e933 100644
--- a/arch/alpha/lib/csum_partial_copy.c
+++ b/arch/alpha/lib/csum_partial_copy.c
@@ -325,7 +325,7 @@ csum_partial_cfu_unaligned(const unsigned long __user * src,
}
__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
+csum_and_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *errp)
{
unsigned long checksum = (__force u32) sum;
@@ -369,7 +369,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
}
return (__force __wsum)checksum;
}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
+EXPORT_SYMBOL(csum_and_copy_from_user);
__wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
@@ -377,7 +377,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
__wsum checksum;
mm_segment_t oldfs = get_fs();
set_fs(KERNEL_DS);
- checksum = csum_partial_copy_from_user((__force const void __user *)src,
+ checksum = csum_and_copy_from_user((__force const void __user *)src,
dst, len, sum, NULL);
set_fs(oldfs);
return checksum;
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 12e218d3792a..667cd21393b5 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -243,21 +243,17 @@ callback_init(void * kernel_end)
*/
void __init paging_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
- unsigned long dma_pfn, high_pfn;
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
+ unsigned long dma_pfn;
dma_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- high_pfn = max_pfn = max_low_pfn;
+ max_pfn = max_low_pfn;
- if (dma_pfn >= high_pfn)
- zones_size[ZONE_DMA] = high_pfn;
- else {
- zones_size[ZONE_DMA] = dma_pfn;
- zones_size[ZONE_NORMAL] = high_pfn - dma_pfn;
- }
+ max_zone_pfn[ZONE_DMA] = dma_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_pfn;
/* Initialize mem_map[]. */
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
/* Initialize the kernel's ZERO_PGE. */
memset((void *)ZERO_PGE, 0, PAGE_SIZE);
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index d0b73371e985..5ad6087de1d6 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -144,8 +144,8 @@ setup_memory_node(int nid, void *kernel_end)
if (!nid && (node_max_pfn < end_kernel_pfn || node_min_pfn > start_kernel_pfn))
panic("kernel loaded out of ram");
- memblock_add(PFN_PHYS(node_min_pfn),
- (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
+ memblock_add_node(PFN_PHYS(node_min_pfn),
+ (node_max_pfn - node_min_pfn) << PAGE_SHIFT, nid);
/* Zone start phys-addr must be 2^(MAX_ORDER-1) aligned.
Note that we round this down, not up - node memory
@@ -202,8 +202,7 @@ setup_memory(void *kernel_end)
void __init paging_init(void)
{
- unsigned int nid;
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
unsigned long dma_local_pfn;
/*
@@ -215,19 +214,10 @@ void __init paging_init(void)
*/
dma_local_pfn = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- for_each_online_node(nid) {
- unsigned long start_pfn = NODE_DATA(nid)->node_start_pfn;
- unsigned long end_pfn = start_pfn + NODE_DATA(nid)->node_present_pages;
+ max_zone_pfn[ZONE_DMA] = dma_local_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_pfn;
- if (dma_local_pfn >= end_pfn - start_pfn)
- zones_size[ZONE_DMA] = end_pfn - start_pfn;
- else {
- zones_size[ZONE_DMA] = dma_local_pfn;
- zones_size[ZONE_NORMAL] = (end_pfn - start_pfn) - dma_local_pfn;
- }
- node_set_state(nid, N_NORMAL_MEMORY);
- free_area_init_node(nid, zones_size, start_pfn, NULL);
- }
+ free_area_init(max_zone_pfn);
/* Initialize the kernel's ZERO_PGE. */
memset((void *)ZERO_PGE, 0, PAGE_SIZE);
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0974226fab55..aa000075a575 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -65,6 +65,7 @@ CONFIG_DRM_UDL=y
CONFIG_DRM_ETNAVIV=y
CONFIG_FB=y
CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
diff --git a/arch/arc/include/asm/dsp-impl.h b/arch/arc/include/asm/dsp-impl.h
index e1aa212ca6eb..cd5636dfeb6f 100644
--- a/arch/arc/include/asm/dsp-impl.h
+++ b/arch/arc/include/asm/dsp-impl.h
@@ -15,12 +15,14 @@
/* clobbers r5 register */
.macro DSP_EARLY_INIT
+#ifdef CONFIG_ISA_ARCV2
lr r5, [ARC_AUX_DSP_BUILD]
bmsk r5, r5, 7
breq r5, 0, 1f
mov r5, DSP_CTRL_DISABLED_ALL
sr r5, [ARC_AUX_DSP_CTRL]
1:
+#endif
.endm
/* clobbers r10, r11 registers pair */
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index ae0aa5323be1..0ff4c0610561 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -233,6 +233,8 @@
#ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
__RESTORE_REGFILE_HARD
+
+ ; SP points to PC/STAT32: hw restores them despite NO_AUTOSAVE
add sp, sp, SZ_PT_REGS - 8
#else
add sp, sp, PT_r0
diff --git a/arch/arc/include/asm/hugepage.h b/arch/arc/include/asm/hugepage.h
index 30ac40fed2c5..4eef17c5c1da 100644
--- a/arch/arc/include/asm/hugepage.h
+++ b/arch/arc/include/asm/hugepage.h
@@ -26,7 +26,7 @@ static inline pmd_t pte_pmd(pte_t pte)
#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
#define pmd_mkhuge(pmd) pte_pmd(pte_mkhuge(pmd_pte(pmd)))
-#define pmd_mknotpresent(pmd) pte_pmd(pte_mknotpresent(pmd_pte(pmd)))
+#define pmd_mkinvalid(pmd) pte_pmd(pte_mknotpresent(pmd_pte(pmd)))
#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_write(pmd) pte_write(pmd_pte(pmd))
diff --git a/arch/arc/include/asm/module.h b/arch/arc/include/asm/module.h
index 48f13a4ace4b..f534a1fef070 100644
--- a/arch/arc/include/asm/module.h
+++ b/arch/arc/include/asm/module.h
@@ -3,7 +3,6 @@
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* Amit Bhor, Sameer Dhavale: Codito Technologies 2004
-
*/
#ifndef _ASM_ARC_MODULE_H
@@ -19,8 +18,4 @@ struct mod_arch_specific {
const char *secstr;
};
-#define MODULE_PROC_FAMILY "ARC700"
-
-#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
-
#endif /* _ASM_ARC_MODULE_H */
diff --git a/arch/arc/include/asm/vermagic.h b/arch/arc/include/asm/vermagic.h
new file mode 100644
index 000000000000..a10257d2c62c
--- /dev/null
+++ b/arch/arc/include/asm/vermagic.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#define MODULE_ARCH_VERMAGIC "ARC700"
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/arc/kernel/Makefile b/arch/arc/kernel/Makefile
index 75539670431a..8c4fc4b54c14 100644
--- a/arch/arc/kernel/Makefile
+++ b/arch/arc/kernel/Makefile
@@ -3,9 +3,6 @@
# Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
#
-# Pass UTS_MACHINE for user_regset definition
-CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
-
obj-y := arcksyms.o setup.o irq.o reset.o ptrace.o process.o devtree.o
obj-y += signal.o traps.o sys.o troubleshoot.o stacktrace.o disasm.o
obj-$(CONFIG_ISA_ARCOMPACT) += entry-compact.o intc-compact.o
diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
index d5f3fcf273b5..f49a054a1016 100644
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -253,7 +253,7 @@ static const struct user_regset arc_regsets[] = {
};
static const struct user_regset_view user_arc_view = {
- .name = UTS_MACHINE,
+ .name = "arc",
.e_machine = EM_ARC_INUSE,
.regsets = arc_regsets,
.n = ARRAY_SIZE(arc_regsets)
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index b2b1cb645d9e..dad8a656a2f1 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -11,6 +11,7 @@
#include <linux/clocksource.h>
#include <linux/console.h>
#include <linux/module.h>
+#include <linux/sizes.h>
#include <linux/cpu.h>
#include <linux/of_clk.h>
#include <linux/of_fdt.h>
@@ -424,12 +425,12 @@ static void arc_chk_core_config(void)
if ((unsigned int)__arc_dccm_base != cpu->dccm.base_addr)
panic("Linux built with incorrect DCCM Base address\n");
- if (CONFIG_ARC_DCCM_SZ != cpu->dccm.sz)
+ if (CONFIG_ARC_DCCM_SZ * SZ_1K != cpu->dccm.sz)
panic("Linux built with incorrect DCCM Size\n");
#endif
#ifdef CONFIG_ARC_HAS_ICCM
- if (CONFIG_ARC_ICCM_SZ != cpu->iccm.sz)
+ if (CONFIG_ARC_ICCM_SZ * SZ_1K != cpu->iccm.sz)
panic("Linux built with incorrect ICCM Size\n");
#endif
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index d2999503fb8a..3393558876a9 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -191,10 +191,9 @@ void show_regs(struct pt_regs *regs)
if (user_mode(regs))
show_faulting_vma(regs->ret); /* faulting code, not data */
- pr_info("ECR: 0x%08lx EFA: 0x%08lx ERET: 0x%08lx\n",
- regs->event, current->thread.fault_address, regs->ret);
-
- pr_info("STAT32: 0x%08lx", regs->status32);
+ pr_info("ECR: 0x%08lx EFA: 0x%08lx ERET: 0x%08lx\nSTAT: 0x%08lx",
+ regs->event, current->thread.fault_address, regs->ret,
+ regs->status32);
#define STS_BIT(r, bit) r->status32 & STATUS_##bit##_MASK ? #bit" " : ""
@@ -210,11 +209,10 @@ void show_regs(struct pt_regs *regs)
(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
STS_BIT(regs, DE), STS_BIT(regs, AE));
#endif
- pr_cont(" BTA: 0x%08lx\n", regs->bta);
- pr_info("BLK: %pS\n SP: 0x%08lx FP: 0x%08lx\n",
- (void *)regs->blink, regs->sp, regs->fp);
+ pr_cont(" BTA: 0x%08lx\n SP: 0x%08lx FP: 0x%08lx BLK: %pS\n",
+ regs->bta, regs->sp, regs->fp, (void *)regs->blink);
pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
- regs->lp_start, regs->lp_end, regs->lp_count);
+ regs->lp_start, regs->lp_end, regs->lp_count);
/* print regs->r0 thru regs->r12
* Sequential printing was generating horrible code
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 27ea64b1fa33..f87758a6851b 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -1178,11 +1178,9 @@ int arc_unwind(struct unwind_frame_info *frame)
#endif
/* update frame */
-#ifndef CONFIG_AS_CFI_SIGNAL_FRAME
if (frame->call_frame
&& !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign))
frame->call_frame = 0;
-#endif
cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs;
startLoc = min_t(unsigned long, UNW_SP(frame), cfa);
endLoc = max_t(unsigned long, UNW_SP(frame), cfa);
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index 0920c969c466..e7bdc2ac1c87 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -63,11 +63,13 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
low_mem_sz = size;
in_use = 1;
+ memblock_add_node(base, size, 0);
} else {
#ifdef CONFIG_HIGHMEM
high_mem_start = base;
high_mem_sz = size;
in_use = 1;
+ memblock_add_node(base, size, 1);
#endif
}
@@ -75,6 +77,11 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
base, TO_MB(size), !in_use ? "Not used":"");
}
+bool arch_has_descending_max_zone_pfns(void)
+{
+ return !IS_ENABLED(CONFIG_ARC_HAS_PAE40);
+}
+
/*
* First memory setup routine called from setup_arch()
* 1. setup swapper's mm @init_mm
@@ -83,8 +90,7 @@ void __init early_init_dt_add_memory_arch(u64 base, u64 size)
*/
void __init setup_arch_memory(void)
{
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zones_holes[MAX_NR_ZONES];
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
init_mm.start_code = (unsigned long)_text;
init_mm.end_code = (unsigned long)_etext;
@@ -115,7 +121,6 @@ void __init setup_arch_memory(void)
* the crash
*/
- memblock_add_node(low_mem_start, low_mem_sz, 0);
memblock_reserve(CONFIG_LINUX_LINK_BASE,
__pa(_end) - CONFIG_LINUX_LINK_BASE);
@@ -133,22 +138,7 @@ void __init setup_arch_memory(void)
memblock_dump_all();
/*----------------- node/zones setup --------------------------*/
- memset(zones_size, 0, sizeof(zones_size));
- memset(zones_holes, 0, sizeof(zones_holes));
-
- zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
- zones_holes[ZONE_NORMAL] = 0;
-
- /*
- * We can't use the helper free_area_init(zones[]) because it uses
- * PAGE_OFFSET to compute the @min_low_pfn which would be wrong
- * when our kernel doesn't start at PAGE_OFFSET, i.e.
- * PAGE_OFFSET != CONFIG_LINUX_RAM_BASE
- */
- free_area_init_node(0, /* node-id */
- zones_size, /* num pages per zone */
- min_low_pfn, /* first pfn of node */
- zones_holes); /* holes */
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_HIGHMEM
/*
@@ -168,20 +158,13 @@ void __init setup_arch_memory(void)
min_high_pfn = PFN_DOWN(high_mem_start);
max_high_pfn = PFN_DOWN(high_mem_start + high_mem_sz);
- zones_size[ZONE_NORMAL] = 0;
- zones_holes[ZONE_NORMAL] = 0;
-
- zones_size[ZONE_HIGHMEM] = max_high_pfn - min_high_pfn;
- zones_holes[ZONE_HIGHMEM] = 0;
-
- free_area_init_node(1, /* node-id */
- zones_size, /* num pages per zone */
- min_high_pfn, /* first pfn of node */
- zones_holes); /* holes */
+ max_zone_pfn[ZONE_HIGHMEM] = max_high_pfn;
high_memory = (void *)(min_high_pfn << PAGE_SHIFT);
kmap_init();
#endif
+
+ free_area_init(max_zone_pfn);
}
/*
diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig
index a931d0a256d0..a645bca5899a 100644
--- a/arch/arc/plat-eznps/Kconfig
+++ b/arch/arc/plat-eznps/Kconfig
@@ -6,6 +6,7 @@
menuconfig ARC_PLAT_EZNPS
bool "\"EZchip\" ARC dev platform"
+ depends on ISA_ARCOMPACT
select CPU_BIG_ENDIAN
select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
select EZNPS_GIC
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 66a04f6f4775..16fbf74030fe 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -12,6 +12,7 @@ config ARM
select ARCH_HAS_KEEPINITRD
select ARCH_HAS_KCOV
select ARCH_HAS_MEMBARRIER_SYNC_CORE
+ select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PTE_SPECIAL if ARM_LPAE
select ARCH_HAS_PHYS_TO_DMA
select ARCH_HAS_SETUP_DMA_OPS
@@ -312,6 +313,9 @@ choice
config ARCH_MULTIPLATFORM
bool "Allow multiple platforms to be selected"
depends on MMU
+ select ARCH_FLATMEM_ENABLE
+ select ARCH_SPARSEMEM_ENABLE
+ select ARCH_SELECT_MEMORY_MODEL
select ARM_HAS_SG_CHAIN
select ARM_PATCH_PHYS_VIRT
select AUTO_ZRELADDR
@@ -1515,11 +1519,15 @@ config OABI_COMPAT
config ARCH_HAS_HOLES_MEMORYMODEL
bool
-config ARCH_SPARSEMEM_ENABLE
+config ARCH_SELECT_MEMORY_MODEL
+ bool
+
+config ARCH_FLATMEM_ENABLE
bool
-config ARCH_SPARSEMEM_DEFAULT
- def_bool ARCH_SPARSEMEM_ENABLE
+config ARCH_SPARSEMEM_ENABLE
+ bool
+ select SPARSEMEM_STATIC if SPARSEMEM
config HAVE_ARCH_PFN_VALID
def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM
@@ -1954,7 +1962,7 @@ config EFI
select UCS2_STRING
select EFI_PARAMS_FROM_FDT
select EFI_STUB
- select EFI_ARMSTUB
+ select EFI_GENERIC_STUB
select EFI_RUNTIME_WRAPPERS
---help---
This option provides support for runtime services provided
diff --git a/arch/arm/boot/compressed/.gitignore b/arch/arm/boot/compressed/.gitignore
index db05c6ef3e31..60606b0f378d 100644
--- a/arch/arm/boot/compressed/.gitignore
+++ b/arch/arm/boot/compressed/.gitignore
@@ -7,12 +7,3 @@ hyp-stub.S
piggy_data
vmlinux
vmlinux.lds
-
-# borrowed libfdt files
-fdt.c
-fdt.h
-fdt_ro.c
-fdt_rw.c
-fdt_wip.c
-libfdt.h
-libfdt_internal.h
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 9c11e7490292..00602a6fba04 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -76,29 +76,30 @@ compress-$(CONFIG_KERNEL_LZMA) = lzma
compress-$(CONFIG_KERNEL_XZ) = xzkern
compress-$(CONFIG_KERNEL_LZ4) = lz4
-# Borrowed libfdt files for the ATAG compatibility mode
-
-libfdt := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c
-libfdt_hdrs := fdt.h libfdt.h libfdt_internal.h
-
-libfdt_objs := $(addsuffix .o, $(basename $(libfdt)))
-
-$(addprefix $(obj)/,$(libfdt) $(libfdt_hdrs)): $(obj)/%: $(srctree)/scripts/dtc/libfdt/%
- $(call cmd,shipped)
-
-$(addprefix $(obj)/,$(libfdt_objs) atags_to_fdt.o): \
- $(addprefix $(obj)/,$(libfdt_hdrs))
+libfdt_objs := fdt_rw.o fdt_ro.o fdt_wip.o fdt.o
ifeq ($(CONFIG_ARM_ATAG_DTB_COMPAT),y)
OBJS += $(libfdt_objs) atags_to_fdt.o
endif
+# -fstack-protector-strong triggers protection checks in this code,
+# but it is being used too early to link to meaningful stack_chk logic.
+nossp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector
+$(foreach o, $(libfdt_objs) atags_to_fdt.o, \
+ $(eval CFLAGS_$(o) := -I $(srctree)/scripts/dtc/libfdt $(nossp-flags-y)))
+
+# These were previously generated C files. When you are building the kernel
+# with O=, make sure to remove the stale files in the output tree. Otherwise,
+# the build system wrongly compiles the stale ones.
+ifdef building_out_of_srctree
+$(shell rm -f $(addprefix $(obj)/, fdt_rw.c fdt_ro.c fdt_wip.c fdt.c))
+endif
+
targets := vmlinux vmlinux.lds piggy_data piggy.o \
lib1funcs.o ashldi3.o bswapsdi2.o \
head.o $(OBJS)
-clean-files += piggy_data lib1funcs.S ashldi3.S bswapsdi2.S \
- $(libfdt) $(libfdt_hdrs) hyp-stub.S
+clean-files += piggy_data lib1funcs.S ashldi3.S bswapsdi2.S hyp-stub.S
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@@ -107,15 +108,6 @@ ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
-# -fstack-protector-strong triggers protection checks in this code,
-# but it is being used too early to link to meaningful stack_chk logic.
-nossp-flags-$(CONFIG_CC_HAS_STACKPROTECTOR_NONE) := -fno-stack-protector
-CFLAGS_atags_to_fdt.o := $(nossp-flags-y)
-CFLAGS_fdt.o := $(nossp-flags-y)
-CFLAGS_fdt_ro.o := $(nossp-flags-y)
-CFLAGS_fdt_rw.o := $(nossp-flags-y)
-CFLAGS_fdt_wip.o := $(nossp-flags-y)
-
ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin \
-I$(obj) $(DISABLE_ARM_SSP_PER_TASK_PLUGIN)
asflags-y := -DZIMAGE
diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c
index 64c49747f8a3..8452753efebe 100644
--- a/arch/arm/boot/compressed/atags_to_fdt.c
+++ b/arch/arm/boot/compressed/atags_to_fdt.c
@@ -1,4 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
+#include <linux/libfdt_env.h>
#include <asm/setup.h>
#include <libfdt.h>
diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S
index 62286da318e7..c0e7a745103e 100644
--- a/arch/arm/boot/compressed/efi-header.S
+++ b/arch/arm/boot/compressed/efi-header.S
@@ -60,7 +60,7 @@ optional_header:
.long __pecoff_code_size @ SizeOfCode
.long __pecoff_data_size @ SizeOfInitializedData
.long 0 @ SizeOfUninitializedData
- .long efi_entry - start @ AddressOfEntryPoint
+ .long efi_pe_entry - start @ AddressOfEntryPoint
.long start_offset @ BaseOfCode
.long __pecoff_data_start - start @ BaseOfData
diff --git a/arch/arm/boot/compressed/fdt.c b/arch/arm/boot/compressed/fdt.c
new file mode 100644
index 000000000000..f8ea7a201ab1
--- /dev/null
+++ b/arch/arm/boot/compressed/fdt.c
@@ -0,0 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "../../../../lib/fdt.c"
diff --git a/arch/arm/boot/compressed/fdt_ro.c b/arch/arm/boot/compressed/fdt_ro.c
new file mode 100644
index 000000000000..93970a4ad5ae
--- /dev/null
+++ b/arch/arm/boot/compressed/fdt_ro.c
@@ -0,0 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "../../../../lib/fdt_ro.c"
diff --git a/arch/arm/boot/compressed/fdt_rw.c b/arch/arm/boot/compressed/fdt_rw.c
new file mode 100644
index 000000000000..f7c6b8b7e01c
--- /dev/null
+++ b/arch/arm/boot/compressed/fdt_rw.c
@@ -0,0 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "../../../../lib/fdt_rw.c"
diff --git a/arch/arm/boot/compressed/fdt_wip.c b/arch/arm/boot/compressed/fdt_wip.c
new file mode 100644
index 000000000000..048d2c7a088d
--- /dev/null
+++ b/arch/arm/boot/compressed/fdt_wip.c
@@ -0,0 +1,2 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "../../../../lib/fdt_wip.c"
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index e8e1c866e413..c79db44ba128 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -287,28 +287,22 @@ not_angel:
*/
mov r0, pc
cmp r0, r4
- ldrcc r0, LC0+28
+ ldrcc r0, .Lheadroom
addcc r0, r0, pc
cmpcc r4, r0
orrcc r4, r4, #1 @ remember we skipped cache_on
blcs cache_on
-restart: adr r0, LC0
- ldmia r0, {r1, r2, r3, r6, r11, r12}
- ldr sp, [r0, #24]
-
- /*
- * We might be running at a different address. We need
- * to fix up various pointers.
- */
- sub r0, r0, r1 @ calculate the delta offset
- add r6, r6, r0 @ _edata
+restart: adr r0, LC1
+ ldr sp, [r0]
+ ldr r6, [r0, #4]
+ add sp, sp, r0
+ add r6, r6, r0
get_inflated_image_size r9, r10, lr
#ifndef CONFIG_ZBOOT_ROM
/* malloc space is above the relocated stack (64k max) */
- add sp, sp, r0
add r10, sp, #0x10000
#else
/*
@@ -322,9 +316,6 @@ restart: adr r0, LC0
mov r5, #0 @ init dtb size to 0
#ifdef CONFIG_ARM_APPENDED_DTB
/*
- * r0 = delta
- * r2 = BSS start
- * r3 = BSS end
* r4 = final kernel address (possibly with LSB set)
* r5 = appended dtb size (still unknown)
* r6 = _edata
@@ -332,8 +323,6 @@ restart: adr r0, LC0
* r8 = atags/device tree pointer
* r9 = size of decompressed image
* r10 = end of this image, including bss/stack/malloc space if non XIP
- * r11 = GOT start
- * r12 = GOT end
* sp = stack pointer
*
* if there are device trees (dtb) appended to zImage, advance r10 so that the
@@ -381,7 +370,6 @@ restart: adr r0, LC0
/* temporarily relocate the stack past the DTB work space */
add sp, sp, r5
- stmfd sp!, {r0-r3, ip, lr}
mov r0, r8
mov r1, r6
mov r2, r5
@@ -400,7 +388,6 @@ restart: adr r0, LC0
mov r2, r5
bleq atags_to_fdt
- ldmfd sp!, {r0-r3, ip, lr}
sub sp, sp, r5
#endif
@@ -537,6 +524,10 @@ dtb_check_done:
mov pc, r0
wont_overwrite:
+ adr r0, LC0
+ ldmia r0, {r1, r2, r3, r11, r12}
+ sub r0, r0, r1 @ calculate the delta offset
+
/*
* If delta is zero, we are running at the address we were linked at.
* r0 = delta
@@ -660,13 +651,18 @@ not_relocated: mov r0, #0
LC0: .word LC0 @ r1
.word __bss_start @ r2
.word _end @ r3
- .word _edata @ r6
.word _got_start @ r11
.word _got_end @ ip
- .word .L_user_stack_end @ sp
- .word _end - restart + 16384 + 1024*1024
.size LC0, . - LC0
+ .type LC1, #object
+LC1: .word .L_user_stack_end - LC1 @ sp
+ .word _edata - LC1 @ r6
+ .size LC1, . - LC1
+
+.Lheadroom:
+ .word _end - restart + 16384 + 1024*1024
+
.Linflated_image_size_offset:
.long (input_data_end - 4) - .
@@ -1434,38 +1430,26 @@ reloc_code_end:
#ifdef CONFIG_EFI_STUB
ENTRY(efi_enter_kernel)
- mov r7, r0 @ preserve image base
- mov r4, r1 @ preserve DT pointer
+ mov r4, r0 @ preserve image base
+ mov r8, r1 @ preserve DT pointer
- mov r0, r4 @ DT start
- add r1, r4, r2 @ DT end
- bl cache_clean_flush
+ mrc p15, 0, r0, c1, c0, 0 @ read SCTLR
+ tst r0, #0x1 @ MMU enabled?
+ orreq r4, r4, #1 @ set LSB if not
- mov r0, r7 @ relocated zImage
- ldr r1, =_edata @ size of zImage
- add r1, r1, r0 @ end of zImage
+ mov r0, r8 @ DT start
+ add r1, r8, r2 @ DT end
bl cache_clean_flush
- @ The PE/COFF loader might not have cleaned the code we are
- @ running beyond the PoU, and so calling cache_off below from
- @ inside the PE/COFF loader allocated region is unsafe unless
- @ we explicitly clean it to the PoC.
- ARM( adrl r0, call_cache_fn )
- THUMB( adr r0, call_cache_fn ) @ region of code we will
- adr r1, 0f @ run with MMU off
- bl cache_clean_flush
- bl cache_off
+ adr r0, 0f @ switch to our stack
+ ldr sp, [r0]
+ add sp, sp, r0
- @ Set parameters for booting zImage according to boot protocol
- @ put FDT address in r2, it was returned by efi_entry()
- @ r1 is the machine type, and r0 needs to be 0
- mov r0, #0
- mov r1, #0xFFFFFFFF
- mov r2, r4
- add r7, r7, #(__efi_start - start)
- mov pc, r7 @ no mode switch
+ mov r5, #0 @ appended DTB size
+ mov r7, #0xFFFFFFFF @ machine ID
+ b wont_overwrite
ENDPROC(efi_enter_kernel)
-0:
+0: .long .L_user_stack_end - .
#endif
.align
diff --git a/arch/arm/boot/compressed/libfdt_env.h b/arch/arm/boot/compressed/libfdt_env.h
deleted file mode 100644
index 6a0f1f524466..000000000000
--- a/arch/arm/boot/compressed/libfdt_env.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ARM_LIBFDT_ENV_H
-#define _ARM_LIBFDT_ENV_H
-
-#include <linux/limits.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <asm/byteorder.h>
-
-#define INT32_MAX S32_MAX
-#define UINT32_MAX U32_MAX
-
-typedef __be16 fdt16_t;
-typedef __be32 fdt32_t;
-typedef __be64 fdt64_t;
-
-#define fdt16_to_cpu(x) be16_to_cpu(x)
-#define cpu_to_fdt16(x) cpu_to_be16(x)
-#define fdt32_to_cpu(x) be32_to_cpu(x)
-#define cpu_to_fdt32(x) cpu_to_be32(x)
-#define fdt64_to_cpu(x) be64_to_cpu(x)
-#define cpu_to_fdt64(x) cpu_to_be64(x)
-
-#endif
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index b247f399de71..09ac33f52814 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S
@@ -42,7 +42,7 @@ SECTIONS
}
.table : ALIGN(4) {
_table_start = .;
- LONG(ZIMAGE_MAGIC(2))
+ LONG(ZIMAGE_MAGIC(4))
LONG(ZIMAGE_MAGIC(0x5a534c4b))
LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start))
LONG(ZIMAGE_MAGIC(_kernel_bss_size))
@@ -63,9 +63,11 @@ SECTIONS
_etext = .;
.got.plt : { *(.got.plt) }
+#ifndef CONFIG_EFI_STUB
_got_start = .;
.got : { *(.got) }
_got_end = .;
+#endif
/* ensure the zImage file size is always a multiple of 64 bits */
/* (without a dummy byte, ld just ignores the empty section) */
@@ -74,11 +76,14 @@ SECTIONS
#ifdef CONFIG_EFI_STUB
.data : ALIGN(4096) {
__pecoff_data_start = .;
+ _got_start = .;
+ *(.got)
+ _got_end = .;
/*
* The EFI stub always executes from RAM, and runs strictly before the
* decompressor, so we can make an exception for its r/w data, and keep it
*/
- *(.data.efistub)
+ *(.data.efistub .bss.efistub)
__pecoff_data_end = .;
/*
diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts
index 81e0f63e94d3..0ebe9e2c150e 100644
--- a/arch/arm/boot/dts/am335x-guardian.dts
+++ b/arch/arm/boot/dts/am335x-guardian.dts
@@ -105,6 +105,7 @@
ti,timers = <&timer7>;
pinctrl-names = "default";
pinctrl-0 = <&dmtimer7_pins>;
+ ti,clock-source = <0x01>;
};
vmmcsd_fixed: regulator-3v3 {
diff --git a/arch/arm/boot/dts/am3517-evm.dts b/arch/arm/boot/dts/am3517-evm.dts
index a1fd3e63e86e..92466b9eb6ba 100644
--- a/arch/arm/boot/dts/am3517-evm.dts
+++ b/arch/arm/boot/dts/am3517-evm.dts
@@ -156,6 +156,7 @@
pinctrl-0 = <&pwm_pins>;
ti,timers = <&timer11>;
#pwm-cells = <3>;
+ ti,clock-source = <0x01>;
};
/* HS USB Host PHY on PORT 1 */
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 811c8cae315b..d692e3b2812a 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -943,7 +943,7 @@
&cpsw_emac0 {
phy-handle = <&ethphy0>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
};
&elm {
diff --git a/arch/arm/boot/dts/am437x-idk-evm.dts b/arch/arm/boot/dts/am437x-idk-evm.dts
index 9f66f96d09c9..a958f9ee4a5a 100644
--- a/arch/arm/boot/dts/am437x-idk-evm.dts
+++ b/arch/arm/boot/dts/am437x-idk-evm.dts
@@ -504,7 +504,7 @@
&cpsw_emac0 {
phy-handle = <&ethphy0>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
};
&rtc {
diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts b/arch/arm/boot/dts/am437x-sk-evm.dts
index 25222497f828..4d5a7ca2e25d 100644
--- a/arch/arm/boot/dts/am437x-sk-evm.dts
+++ b/arch/arm/boot/dts/am437x-sk-evm.dts
@@ -833,13 +833,13 @@
&cpsw_emac0 {
phy-handle = <&ethphy0>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <1>;
};
&cpsw_emac1 {
phy-handle = <&ethphy1>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <2>;
};
diff --git a/arch/arm/boot/dts/am571x-idk.dts b/arch/arm/boot/dts/am571x-idk.dts
index 669559c9c95b..c13756fa0f55 100644
--- a/arch/arm/boot/dts/am571x-idk.dts
+++ b/arch/arm/boot/dts/am571x-idk.dts
@@ -190,13 +190,13 @@
&cpsw_port1 {
phy-handle = <&ethphy0_sw>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
ti,dual-emac-pvid = <1>;
};
&cpsw_port2 {
phy-handle = <&ethphy1_sw>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
ti,dual-emac-pvid = <2>;
};
diff --git a/arch/arm/boot/dts/am574x-idk.dts b/arch/arm/boot/dts/am574x-idk.dts
index fa0088025b2c..85c95cc551dd 100644
--- a/arch/arm/boot/dts/am574x-idk.dts
+++ b/arch/arm/boot/dts/am574x-idk.dts
@@ -40,3 +40,7 @@
status = "okay";
dual_emac;
};
+
+&m_can0 {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
index a813a0cf3ff3..565675354de4 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
@@ -433,13 +433,13 @@
&cpsw_emac0 {
phy-handle = <&phy0>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <1>;
};
&cpsw_emac1 {
phy-handle = <&phy1>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <2>;
};
diff --git a/arch/arm/boot/dts/am57xx-idk-common.dtsi b/arch/arm/boot/dts/am57xx-idk-common.dtsi
index aa5e55f98179..a3ff1237d1fa 100644
--- a/arch/arm/boot/dts/am57xx-idk-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-idk-common.dtsi
@@ -408,13 +408,13 @@
&cpsw_emac0 {
phy-handle = <&ethphy0>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <1>;
};
&cpsw_emac1 {
phy-handle = <&ethphy1>;
- phy-mode = "rgmii";
+ phy-mode = "rgmii-rxid";
dual_emac_res_vlan = <2>;
};
diff --git a/arch/arm/boot/dts/bcm-hr2.dtsi b/arch/arm/boot/dts/bcm-hr2.dtsi
index 6142c672811e..5e5f5ca3c86f 100644
--- a/arch/arm/boot/dts/bcm-hr2.dtsi
+++ b/arch/arm/boot/dts/bcm-hr2.dtsi
@@ -75,7 +75,7 @@
timer@20200 {
compatible = "arm,cortex-a9-global-timer";
reg = <0x20200 0x100>;
- interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
clocks = <&periph_clk>;
};
@@ -83,7 +83,7 @@
compatible = "arm,cortex-a9-twd-timer";
reg = <0x20600 0x20>;
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) |
- IRQ_TYPE_LEVEL_HIGH)>;
+ IRQ_TYPE_EDGE_RISING)>;
clocks = <&periph_clk>;
};
@@ -91,7 +91,7 @@
compatible = "arm,cortex-a9-twd-wdt";
reg = <0x20620 0x20>;
interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(1) |
- IRQ_TYPE_LEVEL_HIGH)>;
+ IRQ_TYPE_EDGE_RISING)>;
clocks = <&periph_clk>;
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
index 4c3f606e5b8d..f65448c01e31 100644
--- a/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
+++ b/arch/arm/boot/dts/bcm2835-rpi-zero-w.dts
@@ -24,7 +24,7 @@
leds {
act {
- gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
+ gpios = <&gpio 47 GPIO_ACTIVE_LOW>;
};
};
diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi
index fd2c766e0f71..f7ae5a4530b8 100644
--- a/arch/arm/boot/dts/bcm2835-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi
@@ -14,6 +14,9 @@
soc {
firmware: firmware {
compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
mboxes = <&mailbox>;
dma-ranges;
};
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
index e1abe8c730ce..b83a864e2e8b 100644
--- a/arch/arm/boot/dts/bcm283x.dtsi
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -372,6 +372,7 @@
"dsi0_ddr2",
"dsi0_ddr";
+ status = "disabled";
};
aux: aux@7e215000 {
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 44ed5a798164..c28ca0540f03 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -693,7 +693,7 @@
davinci_mdio: mdio@800 {
compatible = "ti,cpsw-mdio", "ti,davinci_mdio";
- clocks = <&alwon_ethernet_clkctrl DM814_ETHERNET_CPGMAC0_CLKCTRL 0>;
+ clocks = <&cpsw_125mhz_gclk>;
clock-names = "fck";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 4740989ed9c4..7191ee6a1b82 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -172,6 +172,7 @@
#address-cells = <1>;
ranges = <0x51000000 0x51000000 0x3000
0x0 0x20000000 0x10000000>;
+ dma-ranges;
/**
* To enable PCI endpoint mode, disable the pcie1_rc
* node and enable pcie1_ep mode.
@@ -185,7 +186,6 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x20013000 0x13000 0 0xffed000>;
- dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;
@@ -230,6 +230,7 @@
#address-cells = <1>;
ranges = <0x51800000 0x51800000 0x3000
0x0 0x30000000 0x10000000>;
+ dma-ranges;
status = "disabled";
pcie2_rc: pcie@51800000 {
reg = <0x51800000 0x2000>, <0x51802000 0x14c>, <0x1000 0x2000>;
@@ -240,7 +241,6 @@
device_type = "pci";
ranges = <0x81000000 0 0 0x03000 0 0x00010000
0x82000000 0 0x30013000 0x13000 0 0xffed000>;
- dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
bus-range = <0x00 0xff>;
#interrupt-cells = <1>;
num-lanes = <1>;
diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
index 0cd75dadf292..188639738dc3 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
@@ -75,8 +75,8 @@
imx27-phycard-s-rdk {
pinctrl_i2c1: i2c1grp {
fsl,pins = <
- MX27_PAD_I2C2_SDA__I2C2_SDA 0x0
- MX27_PAD_I2C2_SCL__I2C2_SCL 0x0
+ MX27_PAD_I2C_DATA__I2C_DATA 0x0
+ MX27_PAD_I2C_CLK__I2C_CLK 0x0
>;
};
diff --git a/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts b/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
index 0d594e4bd559..a1173bf5bff5 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
+++ b/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
@@ -38,7 +38,7 @@
};
&switch_ports {
- /delete-node/ port@2;
+ /delete-node/ port@3;
};
&touchscreen {
diff --git a/arch/arm/boot/dts/imx6q-b450v3.dts b/arch/arm/boot/dts/imx6q-b450v3.dts
index 95b8f2d71821..fb0980190aa0 100644
--- a/arch/arm/boot/dts/imx6q-b450v3.dts
+++ b/arch/arm/boot/dts/imx6q-b450v3.dts
@@ -65,13 +65,6 @@
};
};
-&clks {
- assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
- <&clks IMX6QDL_CLK_LDB_DI1_SEL>;
- assigned-clock-parents = <&clks IMX6QDL_CLK_PLL3_USB_OTG>,
- <&clks IMX6QDL_CLK_PLL3_USB_OTG>;
-};
-
&ldb {
status = "okay";
diff --git a/arch/arm/boot/dts/imx6q-b650v3.dts b/arch/arm/boot/dts/imx6q-b650v3.dts
index 611cb7ae7e55..8f762d9c5ae9 100644
--- a/arch/arm/boot/dts/imx6q-b650v3.dts
+++ b/arch/arm/boot/dts/imx6q-b650v3.dts
@@ -65,13 +65,6 @@
};
};
-&clks {
- assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
- <&clks IMX6QDL_CLK_LDB_DI1_SEL>;
- assigned-clock-parents = <&clks IMX6QDL_CLK_PLL3_USB_OTG>,
- <&clks IMX6QDL_CLK_PLL3_USB_OTG>;
-};
-
&ldb {
status = "okay";
diff --git a/arch/arm/boot/dts/imx6q-b850v3.dts b/arch/arm/boot/dts/imx6q-b850v3.dts
index e4cb118f88c6..1ea64ecf4291 100644
--- a/arch/arm/boot/dts/imx6q-b850v3.dts
+++ b/arch/arm/boot/dts/imx6q-b850v3.dts
@@ -53,17 +53,6 @@
};
};
-&clks {
- assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
- <&clks IMX6QDL_CLK_LDB_DI1_SEL>,
- <&clks IMX6QDL_CLK_IPU1_DI0_PRE_SEL>,
- <&clks IMX6QDL_CLK_IPU2_DI0_PRE_SEL>;
- assigned-clock-parents = <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
- <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
- <&clks IMX6QDL_CLK_PLL2_PFD2_396M>,
- <&clks IMX6QDL_CLK_PLL2_PFD2_396M>;
-};
-
&ldb {
fsl,dual-channel;
status = "okay";
diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index fa27dcdf06f1..1938b04199c4 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -377,3 +377,18 @@
#interrupt-cells = <1>;
};
};
+
+&clks {
+ assigned-clocks = <&clks IMX6QDL_CLK_LDB_DI0_SEL>,
+ <&clks IMX6QDL_CLK_LDB_DI1_SEL>,
+ <&clks IMX6QDL_CLK_IPU1_DI0_PRE_SEL>,
+ <&clks IMX6QDL_CLK_IPU1_DI1_PRE_SEL>,
+ <&clks IMX6QDL_CLK_IPU2_DI0_PRE_SEL>,
+ <&clks IMX6QDL_CLK_IPU2_DI1_PRE_SEL>;
+ assigned-clock-parents = <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
+ <&clks IMX6QDL_CLK_PLL5_VIDEO_DIV>,
+ <&clks IMX6QDL_CLK_PLL2_PFD0_352M>,
+ <&clks IMX6QDL_CLK_PLL2_PFD0_352M>,
+ <&clks IMX6QDL_CLK_PLL2_PFD0_352M>,
+ <&clks IMX6QDL_CLK_PLL2_PFD0_352M>;
+};
diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
index fe59dde41b64..28b35ccb3757 100644
--- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
@@ -204,6 +204,7 @@
pinctrl-0 = <&pinctrl_enet>;
phy-mode = "rgmii-id";
phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
+ fsl,magic-packet;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 98da446aa0f2..48f50161ea21 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -1045,7 +1045,7 @@
<&clks IMX6QDL_CLK_ENET>,
<&clks IMX6QDL_CLK_ENET_REF>;
clock-names = "ipg", "ahb", "ptp";
- gpr = <&gpr>;
+ fsl,stop-mode = <&gpr 0x34 27>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index d6f831731460..09f21aaee936 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -930,6 +930,7 @@
"enet_clk_ref", "enet_out";
fsl,num-tx-queues = <3>;
fsl,num-rx-queues = <3>;
+ fsl,stop-mode = <&gpr 0x10 3>;
status = "disabled";
};
@@ -1039,6 +1040,7 @@
<&clks IMX6SX_CLK_ENET_PTP>;
clock-names = "ipg", "ahb", "ptp",
"enet_clk_ref", "enet_out";
+ fsl,stop-mode = <&gpr 0x10 4>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx6ul.dtsi b/arch/arm/boot/dts/imx6ul.dtsi
index 2ccf67c4ac1a..345ae9b0db37 100644
--- a/arch/arm/boot/dts/imx6ul.dtsi
+++ b/arch/arm/boot/dts/imx6ul.dtsi
@@ -520,6 +520,7 @@
"enet_clk_ref", "enet_out";
fsl,num-tx-queues = <1>;
fsl,num-rx-queues = <1>;
+ fsl,stop-mode = <&gpr 0x10 4>;
status = "disabled";
};
@@ -856,6 +857,7 @@
"enet_clk_ref", "enet_out";
fsl,num-tx-queues = <1>;
fsl,num-rx-queues = <1>;
+ fsl,stop-mode = <&gpr 0x10 3>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
index 4c22828df55f..cff875b80b60 100644
--- a/arch/arm/boot/dts/imx7d.dtsi
+++ b/arch/arm/boot/dts/imx7d.dtsi
@@ -153,6 +153,7 @@
"enet_clk_ref", "enet_out";
fsl,num-tx-queues = <3>;
fsl,num-rx-queues = <3>;
+ fsl,stop-mode = <&gpr 0x10 4>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index 76e3ffbbbfbf..5bf0b39fa99b 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -1190,6 +1190,7 @@
"enet_clk_ref", "enet_out";
fsl,num-tx-queues = <3>;
fsl,num-rx-queues = <3>;
+ fsl,stop-mode = <&gpr 0x10 3>;
status = "disabled";
};
};
diff --git a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
index ede2e0c999b1..e10f99278c77 100644
--- a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
+++ b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
@@ -72,8 +72,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
index f7b82ced4080..381f0e82bb70 100644
--- a/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
+++ b/arch/arm/boot/dts/logicpd-torpedo-baseboard.dtsi
@@ -65,6 +65,7 @@
pinctrl-0 = <&pwm_pins>;
ti,timers = <&timer10>;
#pwm-cells = <3>;
+ ti,clock-source = <0x01>;
};
};
diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts
index 15449c72c042..b0ec14c42164 100644
--- a/arch/arm/boot/dts/mmp3-dell-ariel.dts
+++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts
@@ -98,19 +98,19 @@
status = "okay";
};
-&ssp3 {
+&ssp1 {
status = "okay";
- cs-gpios = <&gpio 46 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
firmware-flash@0 {
- compatible = "st,m25p80", "jedec,spi-nor";
+ compatible = "winbond,w25q32", "jedec,spi-nor";
reg = <0>;
- spi-max-frequency = <40000000>;
+ spi-max-frequency = <104000000>;
m25p,fast-read;
};
};
-&ssp4 {
- cs-gpios = <&gpio 56 GPIO_ACTIVE_HIGH>;
+&ssp2 {
+ cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/mmp3.dtsi b/arch/arm/boot/dts/mmp3.dtsi
index 9b5087a95e73..826f0a577859 100644
--- a/arch/arm/boot/dts/mmp3.dtsi
+++ b/arch/arm/boot/dts/mmp3.dtsi
@@ -202,8 +202,7 @@
};
hsic_phy0: hsic-phy@f0001800 {
- compatible = "marvell,mmp3-hsic-phy",
- "usb-nop-xceiv";
+ compatible = "marvell,mmp3-hsic-phy";
reg = <0xf0001800 0x40>;
#phy-cells = <0>;
status = "disabled";
@@ -224,8 +223,7 @@
};
hsic_phy1: hsic-phy@f0002800 {
- compatible = "marvell,mmp3-hsic-phy",
- "usb-nop-xceiv";
+ compatible = "marvell,mmp3-hsic-phy";
reg = <0xf0002800 0x40>;
#phy-cells = <0>;
status = "disabled";
@@ -531,7 +529,7 @@
};
soc_clocks: clocks@d4050000 {
- compatible = "marvell,mmp2-clock";
+ compatible = "marvell,mmp3-clock";
reg = <0xd4050000 0x1000>,
<0xd4282800 0x400>,
<0xd4015000 0x1000>;
diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
index 9067e0ef4240..06fbffa81636 100644
--- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi
+++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
@@ -367,6 +367,8 @@
};
&mmc3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc3_pins>;
vmmc-supply = <&wl12xx_vmmc>;
/* uart2_tx.sdmmc3_dat1 pad as wakeirq */
interrupts-extended = <&wakeupgen GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
@@ -472,6 +474,37 @@
>;
};
+ /*
+ * Android uses PIN_OFF_INPUT_PULLDOWN | PIN_INPUT_PULLUP | MUX_MODE3
+ * for gpio_100, but the internal pull makes wlan flakey on some
+ * devices. Off mode value should be tested if we have off mode working
+ * later on.
+ */
+ mmc3_pins: pinmux_mmc3_pins {
+ pinctrl-single,pins = <
+ /* 0x4a10008e gpmc_wait2.gpio_100 d23 */
+ OMAP4_IOPAD(0x08e, PIN_INPUT | MUX_MODE3)
+
+ /* 0x4a100102 abe_mcbsp1_dx.sdmmc3_dat2 ab25 */
+ OMAP4_IOPAD(0x102, PIN_INPUT_PULLUP | MUX_MODE1)
+
+ /* 0x4a100104 abe_mcbsp1_fsx.sdmmc3_dat3 ac27 */
+ OMAP4_IOPAD(0x104, PIN_INPUT_PULLUP | MUX_MODE1)
+
+ /* 0x4a100118 uart2_cts.sdmmc3_clk ab26 */
+ OMAP4_IOPAD(0x118, PIN_INPUT | MUX_MODE1)
+
+ /* 0x4a10011a uart2_rts.sdmmc3_cmd ab27 */
+ OMAP4_IOPAD(0x11a, PIN_INPUT_PULLUP | MUX_MODE1)
+
+ /* 0x4a10011c uart2_rx.sdmmc3_dat0 aa25 */
+ OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE1)
+
+ /* 0x4a10011e uart2_tx.sdmmc3_dat1 aa26 */
+ OMAP4_IOPAD(0x11e, PIN_INPUT_PULLUP | MUX_MODE1)
+ >;
+ };
+
/* gpmc_ncs0.gpio_50 */
poweroff_gpio: pinmux_poweroff_pins {
pinctrl-single,pins = <
@@ -690,14 +723,18 @@
};
/*
- * As uart1 is wired to mdm6600 with rts and cts, we can use the cts pin for
- * uart1 wakeirq.
+ * The uart1 port is wired to mdm6600 with rts and cts. The modem uses gpio_149
+ * for wake-up events for both the USB PHY and the UART. We can use gpio_149
+ * pad as the shared wakeirq for the UART rather than the RX or CTS pad as we
+ * have gpio_149 trigger before the UART transfer starts.
*/
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
interrupts-extended = <&wakeupgen GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH
- &omap4_pmx_core 0xfc>;
+ &omap4_pmx_core 0x110>;
+ uart-has-rtscts;
+ current-speed = <115200>;
};
&uart3 {
diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi
index 409a758c99f1..ecc45862b4f3 100644
--- a/arch/arm/boot/dts/omap3-gta04.dtsi
+++ b/arch/arm/boot/dts/omap3-gta04.dtsi
@@ -150,6 +150,7 @@
compatible = "ti,omap-dmtimer-pwm";
ti,timers = <&timer11>;
#pwm-cells = <3>;
+ ti,clock-source = <0x01>;
};
hsusb2_phy: hsusb2_phy {
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index a075b63f3087..11d41e86f814 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -341,6 +341,11 @@
status = "disabled";
};
+/* RNG not directly accessible on N950/N9. */
+&rng_target {
+ status = "disabled";
+};
+
&usb_otg_hs {
interface-type = <0>;
usb-phy = <&usb2_phy>;
diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
index bfa9ce4c6e69..b9839f86e703 100644
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -576,5 +576,33 @@
"legacy";
status = "disabled";
};
+
+ mdio: mdio@90000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "qcom,ipq4019-mdio";
+ reg = <0x90000 0x64>;
+ status = "disabled";
+
+ ethphy0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ ethphy1: ethernet-phy@1 {
+ reg = <1>;
+ };
+
+ ethphy2: ethernet-phy@2 {
+ reg = <2>;
+ };
+
+ ethphy3: ethernet-phy@3 {
+ reg = <3>;
+ };
+
+ ethphy4: ethernet-phy@4 {
+ reg = <4>;
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/r7s9210.dtsi b/arch/arm/boot/dts/r7s9210.dtsi
index 72b79770e336..cace43807497 100644
--- a/arch/arm/boot/dts/r7s9210.dtsi
+++ b/arch/arm/boot/dts/r7s9210.dtsi
@@ -304,7 +304,6 @@
reg = <0xe803b000 0x30>;
interrupts = <GIC_SPI 56 IRQ_TYPE_EDGE_RISING>;
clocks = <&cpg CPG_MOD 36>;
- clock-names = "ostm0";
power-domains = <&cpg>;
status = "disabled";
};
@@ -314,7 +313,6 @@
reg = <0xe803c000 0x30>;
interrupts = <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>;
clocks = <&cpg CPG_MOD 35>;
- clock-names = "ostm1";
power-domains = <&cpg>;
status = "disabled";
};
@@ -324,7 +322,6 @@
reg = <0xe803d000 0x30>;
interrupts = <GIC_SPI 58 IRQ_TYPE_EDGE_RISING>;
clocks = <&cpg CPG_MOD 34>;
- clock-names = "ostm2";
power-domains = <&cpg>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index a5cd31229fbd..a3ba722a9d7f 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -131,7 +131,14 @@
cmt1: timer@e6130000 {
compatible = "renesas,r8a73a4-cmt1", "renesas,rcar-gen2-cmt1";
reg = <0 0xe6130000 0 0x1004>;
- interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp3_clks R8A73A4_CLK_CMT1>;
clock-names = "fck";
power-domains = <&pd_c5>;
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index ebc1ff64f530..90feb2cf9960 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -479,7 +479,7 @@
cpg_clocks: cpg_clocks@e6150000 {
compatible = "renesas,r8a7740-cpg-clocks";
reg = <0xe6150000 0x10000>;
- clocks = <&extal1_clk>, <&extalr_clk>;
+ clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
#clock-cells = <1>;
clock-output-names = "system", "pllc0", "pllc1",
"pllc2", "r",
diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
index 92aa26ba423c..b1f679da36b2 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
@@ -84,8 +84,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 69745def44d4..bfe778c4c47b 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -364,8 +364,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7790-stout.dts b/arch/arm/boot/dts/r8a7790-stout.dts
index 4138efb2766d..6a457bc9280a 100644
--- a/arch/arm/boot/dts/r8a7790-stout.dts
+++ b/arch/arm/boot/dts/r8a7790-stout.dts
@@ -297,8 +297,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 687167b70cb6..fc74c6cd6def 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -387,8 +387,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index a8e0335148a5..114bf1c4199b 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -181,8 +181,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7792-blanche.dts b/arch/arm/boot/dts/r8a7792-blanche.dts
index 248eb717eb35..9368ac2cf508 100644
--- a/arch/arm/boot/dts/r8a7792-blanche.dts
+++ b/arch/arm/boot/dts/r8a7792-blanche.dts
@@ -289,8 +289,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index bd2a63bdab3d..ba2d2a589012 100644
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -249,14 +249,12 @@
*/
hdmi@3d {
compatible = "adi,adv7513";
- reg = <0x3d>, <0x2d>, <0x4d>, <0x5d>;
- reg-names = "main", "cec", "edid", "packet";
+ reg = <0x3d>, <0x4d>, <0x2d>, <0x5d>;
+ reg-names = "main", "edid", "cec", "packet";
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
@@ -280,14 +278,12 @@
hdmi@39 {
compatible = "adi,adv7513";
- reg = <0x39>, <0x29>, <0x49>, <0x59>;
- reg-names = "main", "cec", "edid", "packet";
+ reg = <0x39>, <0x49>, <0x29>, <0x59>;
+ reg-names = "main", "edid", "cec", "packet";
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index cfe06a74ce89..79baf06019f5 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -366,8 +366,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts
index 9aaa96ea9943..b8b0941f677c 100644
--- a/arch/arm/boot/dts/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/r8a7794-silk.dts
@@ -255,8 +255,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 781ac7583522..d9a0c9a29b68 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -128,7 +128,7 @@
assigned-clocks = <&cru SCLK_GPU>;
assigned-clock-rates = <100000000>;
clocks = <&cru SCLK_GPU>, <&cru SCLK_GPU>;
- clock-names = "core", "bus";
+ clock-names = "bus", "core";
resets = <&cru SRST_GPU>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/rk3228-evb.dts b/arch/arm/boot/dts/rk3228-evb.dts
index 5670b33fd1bd..aed879db6c15 100644
--- a/arch/arm/boot/dts/rk3228-evb.dts
+++ b/arch/arm/boot/dts/rk3228-evb.dts
@@ -46,7 +46,7 @@
#address-cells = <1>;
#size-cells = <0>;
- phy: phy@0 {
+ phy: ethernet-phy@0 {
compatible = "ethernet-phy-id1234.d400", "ethernet-phy-ieee802.3-c22";
reg = <0>;
clocks = <&cru SCLK_MAC_PHY>;
diff --git a/arch/arm/boot/dts/rk3229-xms6.dts b/arch/arm/boot/dts/rk3229-xms6.dts
index 679fc2b00e5a..933ef69da32a 100644
--- a/arch/arm/boot/dts/rk3229-xms6.dts
+++ b/arch/arm/boot/dts/rk3229-xms6.dts
@@ -150,7 +150,7 @@
#address-cells = <1>;
#size-cells = <0>;
- phy: phy@0 {
+ phy: ethernet-phy@0 {
compatible = "ethernet-phy-id1234.d400",
"ethernet-phy-ieee802.3-c22";
reg = <0>;
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 06172ebbf0ce..5485a9918da6 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -555,7 +555,7 @@
"pp1",
"ppmmu1";
clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
- clock-names = "core", "bus";
+ clock-names = "bus", "core";
resets = <&cru SRST_GPU_A>;
status = "disabled";
};
@@ -1020,7 +1020,7 @@
};
};
- spi-0 {
+ spi0 {
spi0_clk: spi0-clk {
rockchip,pins = <0 RK_PB1 2 &pcfg_pull_up>;
};
@@ -1038,7 +1038,7 @@
};
};
- spi-1 {
+ spi1 {
spi1_clk: spi1-clk {
rockchip,pins = <0 RK_PC7 2 &pcfg_pull_up>;
};
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index f9fcb7e9657b..d929b60517ab 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -84,7 +84,7 @@
compatible = "arm,mali-400";
reg = <0x10090000 0x10000>;
clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
- clock-names = "core", "bus";
+ clock-names = "bus", "core";
assigned-clocks = <&cru ACLK_GPU>;
assigned-clock-rates = <100000000>;
resets = <&cru SRST_GPU>;
diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index 11e2211f9007..84a3b055f253 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -147,6 +147,7 @@ CONFIG_I2C_DAVINCI=y
CONFIG_SPI=y
CONFIG_SPI_DAVINCI=y
CONFIG_SPI_SPIDEV=y
+CONFIG_PTP_1588_CLOCK=y
CONFIG_PINCTRL_SINGLE=y
CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 3cc3ca5fa027..fe383f5a92fb 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -81,7 +81,7 @@ CONFIG_PARTITION_ADVANCED=y
CONFIG_BINFMT_MISC=y
CONFIG_CMA=y
CONFIG_ZSMALLOC=m
-CONFIG_PGTABLE_MAPPING=y
+CONFIG_ZSMALLOC_PGTABLE_MAPPING=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@@ -274,6 +274,7 @@ CONFIG_SPI_TI_QSPI=m
CONFIG_HSI=m
CONFIG_OMAP_SSI=m
CONFIG_SSI_PROTOCOL=m
+CONFIG_PTP_1588_CLOCK=y
CONFIG_PINCTRL_SINGLE=y
CONFIG_DEBUG_GPIO=y
CONFIG_GPIO_SYSFS=y
diff --git a/arch/arm/crypto/chacha-glue.c b/arch/arm/crypto/chacha-glue.c
index 6fdb0ac62b3d..59da6c0b63b6 100644
--- a/arch/arm/crypto/chacha-glue.c
+++ b/arch/arm/crypto/chacha-glue.c
@@ -91,9 +91,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
return;
}
- kernel_neon_begin();
- chacha_doneon(state, dst, src, bytes, nrounds);
- kernel_neon_end();
+ do {
+ unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+ kernel_neon_begin();
+ chacha_doneon(state, dst, src, todo, nrounds);
+ kernel_neon_end();
+
+ bytes -= todo;
+ src += todo;
+ dst += todo;
+ } while (bytes);
}
EXPORT_SYMBOL(chacha_crypt_arch);
diff --git a/arch/arm/crypto/nhpoly1305-neon-glue.c b/arch/arm/crypto/nhpoly1305-neon-glue.c
index ae5aefc44a4d..ffa8d73fe722 100644
--- a/arch/arm/crypto/nhpoly1305-neon-glue.c
+++ b/arch/arm/crypto/nhpoly1305-neon-glue.c
@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
return crypto_nhpoly1305_update(desc, src, srclen);
do {
- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+ unsigned int n = min_t(unsigned int, srclen, SZ_4K);
kernel_neon_begin();
crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon);
diff --git a/arch/arm/crypto/poly1305-glue.c b/arch/arm/crypto/poly1305-glue.c
index ceec04ec2f40..13cfef4ae22e 100644
--- a/arch/arm/crypto/poly1305-glue.c
+++ b/arch/arm/crypto/poly1305-glue.c
@@ -160,13 +160,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE);
if (static_branch_likely(&have_neon) && do_neon) {
- kernel_neon_begin();
- poly1305_blocks_neon(&dctx->h, src, len, 1);
- kernel_neon_end();
+ do {
+ unsigned int todo = min_t(unsigned int, len, SZ_4K);
+
+ kernel_neon_begin();
+ poly1305_blocks_neon(&dctx->h, src, todo, 1);
+ kernel_neon_end();
+
+ len -= todo;
+ src += todo;
+ } while (len);
} else {
poly1305_blocks_arm(&dctx->h, src, len, 1);
+ src += len;
}
- src += len;
nbytes %= POLY1305_BLOCK_SIZE;
}
diff --git a/arch/arm/crypto/sha1_glue.c b/arch/arm/crypto/sha1_glue.c
index c80b0ebfd02f..4e954b3f7ecd 100644
--- a/arch/arm/crypto/sha1_glue.c
+++ b/arch/arm/crypto/sha1_glue.c
@@ -14,7 +14,6 @@
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <crypto/sha1_base.h>
diff --git a/arch/arm/crypto/sha1_neon_glue.c b/arch/arm/crypto/sha1_neon_glue.c
index 2c3627334335..0071e5e4411a 100644
--- a/arch/arm/crypto/sha1_neon_glue.c
+++ b/arch/arm/crypto/sha1_neon_glue.c
@@ -18,7 +18,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <crypto/sha1_base.h>
diff --git a/arch/arm/crypto/sha256_glue.c b/arch/arm/crypto/sha256_glue.c
index 215497f011f2..b8a4f79020cf 100644
--- a/arch/arm/crypto/sha256_glue.c
+++ b/arch/arm/crypto/sha256_glue.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <linux/string.h>
#include <crypto/sha.h>
diff --git a/arch/arm/crypto/sha256_neon_glue.c b/arch/arm/crypto/sha256_neon_glue.c
index 38645e415196..79820b9e2541 100644
--- a/arch/arm/crypto/sha256_neon_glue.c
+++ b/arch/arm/crypto/sha256_neon_glue.c
@@ -11,7 +11,6 @@
#include <crypto/internal/hash.h>
#include <crypto/internal/simd.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <linux/string.h>
#include <crypto/sha.h>
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 99929122dad7..feac2c8b86f2 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -18,11 +18,11 @@
#endif
#include <asm/ptrace.h>
-#include <asm/domain.h>
#include <asm/opcodes-virt.h>
#include <asm/asm-offsets.h>
#include <asm/page.h>
#include <asm/thread_info.h>
+#include <asm/uaccess-asm.h>
#define IOMEM(x) (x)
@@ -269,10 +269,9 @@
.endif ;\
.popsection
#define ALT_UP_B(label) \
- .equ up_b_offset, label - 9998b ;\
.pushsection ".alt.smp.init", "a" ;\
.long 9998b ;\
- W(b) . + up_b_offset ;\
+ W(b) . + (label - 9998b) ;\
.popsection
#else
#define ALT_SMP(instr...)
@@ -446,79 +445,6 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
.size \name , . - \name
.endm
- .macro csdb
-#ifdef CONFIG_THUMB2_KERNEL
- .inst.w 0xf3af8014
-#else
- .inst 0xe320f014
-#endif
- .endm
-
- .macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
-#ifndef CONFIG_CPU_USE_DOMAINS
- adds \tmp, \addr, #\size - 1
- sbcscc \tmp, \tmp, \limit
- bcs \bad
-#ifdef CONFIG_CPU_SPECTRE
- movcs \addr, #0
- csdb
-#endif
-#endif
- .endm
-
- .macro uaccess_mask_range_ptr, addr:req, size:req, limit:req, tmp:req
-#ifdef CONFIG_CPU_SPECTRE
- sub \tmp, \limit, #1
- subs \tmp, \tmp, \addr @ tmp = limit - 1 - addr
- addhs \tmp, \tmp, #1 @ if (tmp >= 0) {
- subshs \tmp, \tmp, \size @ tmp = limit - (addr + size) }
- movlo \addr, #0 @ if (tmp < 0) addr = NULL
- csdb
-#endif
- .endm
-
- .macro uaccess_disable, tmp, isb=1
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- /*
- * Whenever we re-enter userspace, the domains should always be
- * set appropriately.
- */
- mov \tmp, #DACR_UACCESS_DISABLE
- mcr p15, 0, \tmp, c3, c0, 0 @ Set domain register
- .if \isb
- instr_sync
- .endif
-#endif
- .endm
-
- .macro uaccess_enable, tmp, isb=1
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- /*
- * Whenever we re-enter userspace, the domains should always be
- * set appropriately.
- */
- mov \tmp, #DACR_UACCESS_ENABLE
- mcr p15, 0, \tmp, c3, c0, 0
- .if \isb
- instr_sync
- .endif
-#endif
- .endm
-
- .macro uaccess_save, tmp
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- mrc p15, 0, \tmp, c3, c0, 0
- str \tmp, [sp, #SVC_DACR]
-#endif
- .endm
-
- .macro uaccess_restore
-#ifdef CONFIG_CPU_SW_DOMAIN_PAN
- ldr r0, [sp, #SVC_DACR]
- mcr p15, 0, r0, c3, c0, 0
-#endif
- .endm
-
.irp c,,eq,ne,cs,cc,mi,pl,vs,vc,hi,ls,ge,lt,gt,le,hs,lo
.macro ret\c, reg
#if __LINUX_ARM_ARCH__ < 6
diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h
index 20043e0ebb07..ed6073fee338 100644
--- a/arch/arm/include/asm/checksum.h
+++ b/arch/arm/include/asm/checksum.h
@@ -40,6 +40,20 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum);
__wsum
csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr);
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+static inline
+__wsum csum_and_copy_from_user (const void __user *src, void *dst,
+ int len, __wsum sum, int *err_ptr)
+{
+ if (access_ok(src, len))
+ return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
+
+ if (len)
+ *err_ptr = -EFAULT;
+
+ return sum;
+}
+
/*
* Fold a partial checksum without adding pseudo headers
*/
diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index 5ac46e2860bc..9383f236e795 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -50,14 +50,6 @@ void efi_virtmap_unload(void);
/* arch specific definitions used by the stub code */
-#define efi_bs_call(func, ...) efi_system_table()->boottime->func(__VA_ARGS__)
-#define efi_rt_call(func, ...) efi_system_table()->runtime->func(__VA_ARGS__)
-#define efi_is_native() (true)
-
-#define efi_table_attr(inst, attr) (inst->attr)
-
-#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)
-
struct screen_info *alloc_screen_info(void);
void free_screen_info(struct screen_info *si);
diff --git a/arch/arm/include/asm/floppy.h b/arch/arm/include/asm/floppy.h
index 79fa327238e8..e1cb04ed5008 100644
--- a/arch/arm/include/asm/floppy.h
+++ b/arch/arm/include/asm/floppy.h
@@ -9,20 +9,20 @@
#ifndef __ASM_ARM_FLOPPY_H
#define __ASM_ARM_FLOPPY_H
-#define fd_outb(val,port) \
+#define fd_outb(val, base, reg) \
do { \
int new_val = (val); \
- if (((port) & 7) == FD_DOR) { \
+ if ((reg) == FD_DOR) { \
if (new_val & 0xf0) \
new_val = (new_val & 0x0c) | \
floppy_selects[new_val & 3]; \
else \
new_val &= 0x0c; \
} \
- outb(new_val, (port)); \
+ outb(new_val, (base) + (reg)); \
} while(0)
-#define fd_inb(port) inb((port))
+#define fd_inb(base, reg) inb((base) + (reg))
#define fd_request_irq() request_irq(IRQ_FLOPPYDISK,floppy_interrupt,\
0,"floppy",NULL)
#define fd_free_irq() free_irq(IRQ_FLOPPYDISK,NULL)
diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h
index e133da303a98..a9151884bc85 100644
--- a/arch/arm/include/asm/futex.h
+++ b/arch/arm/include/asm/futex.h
@@ -165,8 +165,13 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
preempt_enable();
#endif
- if (!ret)
- *oval = oldval;
+ /*
+ * Store unconditionally. If ret != 0 the extra store is the least
+ * of the worries but GCC cannot figure out that __futex_atomic_op()
+ * is either setting ret to -EFAULT or storing the old value in
+ * oldval which results in a uninitialized warning at the call site.
+ */
+ *oval = oldval;
return ret;
}
diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h
index 318dcf5921ab..d02d6ca88e92 100644
--- a/arch/arm/include/asm/hugetlb.h
+++ b/arch/arm/include/asm/hugetlb.h
@@ -14,15 +14,10 @@
#include <asm/hugetlb-3level.h>
#include <asm-generic/hugetlb.h>
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr, unsigned long len)
-{
- return 0;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
}
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
#endif /* _ASM_ARM_HUGETLB_H */
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 182163b55546..4b0df09cbe67 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -37,30 +37,6 @@ struct mod_arch_specific {
struct module;
u32 get_module_plt(struct module *mod, unsigned long loc, Elf32_Addr val);
-/*
- * Add the ARM architecture version to the version magic string
- */
-#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
-
-/* Add __virt_to_phys patching state as well */
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
-#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
-#else
-#define MODULE_ARCH_VERMAGIC_P2V ""
-#endif
-
-/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
-#ifdef CONFIG_THUMB2_KERNEL
-#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
-#else
-#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
-#endif
-
-#define MODULE_ARCH_VERMAGIC \
- MODULE_ARCH_VERMAGIC_ARMVSN \
- MODULE_ARCH_VERMAGIC_ARMTHUMB \
- MODULE_ARCH_VERMAGIC_P2V
-
#ifdef CONFIG_THUMB2_KERNEL
#define HAVE_ARCH_KALLSYMS_SYMBOL_VALUE
static inline unsigned long kallsyms_symbol_value(const Elf_Sym *sym)
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 36805f94939e..1933aed9f68d 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -221,7 +221,7 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF);
#define pmdp_establish generic_pmdp_establish
/* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
+static inline pmd_t pmd_mkinvalid(pmd_t pmd)
{
return __pmd(pmd_val(pmd) & ~L_PMD_SECT_VALID);
}
diff --git a/arch/arm/include/asm/uaccess-asm.h b/arch/arm/include/asm/uaccess-asm.h
new file mode 100644
index 000000000000..907571fd05c6
--- /dev/null
+++ b/arch/arm/include/asm/uaccess-asm.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ASM_UACCESS_ASM_H__
+#define __ASM_UACCESS_ASM_H__
+
+#include <asm/asm-offsets.h>
+#include <asm/domain.h>
+#include <asm/memory.h>
+#include <asm/thread_info.h>
+
+ .macro csdb
+#ifdef CONFIG_THUMB2_KERNEL
+ .inst.w 0xf3af8014
+#else
+ .inst 0xe320f014
+#endif
+ .endm
+
+ .macro check_uaccess, addr:req, size:req, limit:req, tmp:req, bad:req
+#ifndef CONFIG_CPU_USE_DOMAINS
+ adds \tmp, \addr, #\size - 1
+ sbcscc \tmp, \tmp, \limit
+ bcs \bad
+#ifdef CONFIG_CPU_SPECTRE
+ movcs \addr, #0
+ csdb
+#endif
+#endif
+ .endm
+
+ .macro uaccess_mask_range_ptr, addr:req, size:req, limit:req, tmp:req
+#ifdef CONFIG_CPU_SPECTRE
+ sub \tmp, \limit, #1
+ subs \tmp, \tmp, \addr @ tmp = limit - 1 - addr
+ addhs \tmp, \tmp, #1 @ if (tmp >= 0) {
+ subshs \tmp, \tmp, \size @ tmp = limit - (addr + size) }
+ movlo \addr, #0 @ if (tmp < 0) addr = NULL
+ csdb
+#endif
+ .endm
+
+ .macro uaccess_disable, tmp, isb=1
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+ /*
+ * Whenever we re-enter userspace, the domains should always be
+ * set appropriately.
+ */
+ mov \tmp, #DACR_UACCESS_DISABLE
+ mcr p15, 0, \tmp, c3, c0, 0 @ Set domain register
+ .if \isb
+ instr_sync
+ .endif
+#endif
+ .endm
+
+ .macro uaccess_enable, tmp, isb=1
+#ifdef CONFIG_CPU_SW_DOMAIN_PAN
+ /*
+ * Whenever we re-enter userspace, the domains should always be
+ * set appropriately.
+ */
+ mov \tmp, #DACR_UACCESS_ENABLE
+ mcr p15, 0, \tmp, c3, c0, 0
+ .if \isb
+ instr_sync
+ .endif
+#endif
+ .endm
+
+#if defined(CONFIG_CPU_SW_DOMAIN_PAN) || defined(CONFIG_CPU_USE_DOMAINS)
+#define DACR(x...) x
+#else
+#define DACR(x...)
+#endif
+
+ /*
+ * Save the address limit on entry to a privileged exception.
+ *
+ * If we are using the DACR for kernel access by the user accessors
+ * (CONFIG_CPU_USE_DOMAINS=y), always reset the DACR kernel domain
+ * back to client mode, whether or not \disable is set.
+ *
+ * If we are using SW PAN, set the DACR user domain to no access
+ * if \disable is set.
+ */
+ .macro uaccess_entry, tsk, tmp0, tmp1, tmp2, disable
+ ldr \tmp1, [\tsk, #TI_ADDR_LIMIT]
+ mov \tmp2, #TASK_SIZE
+ str \tmp2, [\tsk, #TI_ADDR_LIMIT]
+ DACR( mrc p15, 0, \tmp0, c3, c0, 0)
+ DACR( str \tmp0, [sp, #SVC_DACR])
+ str \tmp1, [sp, #SVC_ADDR_LIMIT]
+ .if \disable && IS_ENABLED(CONFIG_CPU_SW_DOMAIN_PAN)
+ /* kernel=client, user=no access */
+ mov \tmp2, #DACR_UACCESS_DISABLE
+ mcr p15, 0, \tmp2, c3, c0, 0
+ instr_sync
+ .elseif IS_ENABLED(CONFIG_CPU_USE_DOMAINS)
+ /* kernel=client */
+ bic \tmp2, \tmp0, #domain_mask(DOMAIN_KERNEL)
+ orr \tmp2, \tmp2, #domain_val(DOMAIN_KERNEL, DOMAIN_CLIENT)
+ mcr p15, 0, \tmp2, c3, c0, 0
+ instr_sync
+ .endif
+ .endm
+
+ /* Restore the user access state previously saved by uaccess_entry */
+ .macro uaccess_exit, tsk, tmp0, tmp1
+ ldr \tmp1, [sp, #SVC_ADDR_LIMIT]
+ DACR( ldr \tmp0, [sp, #SVC_DACR])
+ str \tmp1, [\tsk, #TI_ADDR_LIMIT]
+ DACR( mcr p15, 0, \tmp0, c3, c0, 0)
+ .endm
+
+#undef DACR
+
+#endif /* __ASM_UACCESS_ASM_H__ */
diff --git a/arch/arm/include/asm/vermagic.h b/arch/arm/include/asm/vermagic.h
new file mode 100644
index 000000000000..62ce94e26a63
--- /dev/null
+++ b/arch/arm/include/asm/vermagic.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#include <linux/stringify.h>
+
+/*
+ * Add the ARM architecture version to the version magic string
+ */
+#define MODULE_ARCH_VERMAGIC_ARMVSN "ARMv" __stringify(__LINUX_ARM_ARCH__) " "
+
+/* Add __virt_to_phys patching state as well */
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+#define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
+#else
+#define MODULE_ARCH_VERMAGIC_P2V ""
+#endif
+
+/* Add instruction set architecture tag to distinguish ARM/Thumb kernels */
+#ifdef CONFIG_THUMB2_KERNEL
+#define MODULE_ARCH_VERMAGIC_ARMTHUMB "thumb2 "
+#else
+#define MODULE_ARCH_VERMAGIC_ARMTHUMB ""
+#endif
+
+#define MODULE_ARCH_VERMAGIC \
+ MODULE_ARCH_VERMAGIC_ARMVSN \
+ MODULE_ARCH_VERMAGIC_ARMTHUMB \
+ MODULE_ARCH_VERMAGIC_P2V
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 98bdea51089d..82e96ac83684 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -7,7 +7,6 @@
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/string.h>
-#include <linux/cryptohash.h>
#include <linux/delay.h>
#include <linux/in6.h>
#include <linux/syscalls.h>
diff --git a/arch/arm/kernel/atags_proc.c b/arch/arm/kernel/atags_proc.c
index 4247ebf4b893..3c2faf2bd124 100644
--- a/arch/arm/kernel/atags_proc.c
+++ b/arch/arm/kernel/atags_proc.c
@@ -42,7 +42,7 @@ static int __init init_atags_procfs(void)
size_t size;
if (tag->hdr.tag != ATAG_CORE) {
- pr_info("No ATAGs?");
+ pr_info("No ATAGs?\n");
return -EINVAL;
}
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 77f54830554c..55a47df04773 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -27,6 +27,7 @@
#include <asm/unistd.h>
#include <asm/tls.h>
#include <asm/system_info.h>
+#include <asm/uaccess-asm.h>
#include "entry-header.S"
#include <asm/entry-macro-multi.S>
@@ -179,15 +180,7 @@ ENDPROC(__und_invalid)
stmia r7, {r2 - r6}
get_thread_info tsk
- ldr r0, [tsk, #TI_ADDR_LIMIT]
- mov r1, #TASK_SIZE
- str r1, [tsk, #TI_ADDR_LIMIT]
- str r0, [sp, #SVC_ADDR_LIMIT]
-
- uaccess_save r0
- .if \uaccess
- uaccess_disable r0
- .endif
+ uaccess_entry tsk, r0, r1, r2, \uaccess
.if \trace
#ifdef CONFIG_TRACE_IRQFLAGS
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 32051ec5b33f..40db0f9188b6 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -6,6 +6,7 @@
#include <asm/asm-offsets.h>
#include <asm/errno.h>
#include <asm/thread_info.h>
+#include <asm/uaccess-asm.h>
#include <asm/v7m.h>
@ Bad Abort numbers
@@ -217,9 +218,7 @@
blne trace_hardirqs_off
#endif
.endif
- ldr r1, [sp, #SVC_ADDR_LIMIT]
- uaccess_restore
- str r1, [tsk, #TI_ADDR_LIMIT]
+ uaccess_exit tsk, r0, r1
#ifndef CONFIG_THUMB2_KERNEL
@ ARM mode SVC restore
@@ -263,9 +262,7 @@
@ on the stack remains correct).
@
.macro svc_exit_via_fiq
- ldr r1, [sp, #SVC_ADDR_LIMIT]
- uaccess_restore
- str r1, [tsk, #TI_ADDR_LIMIT]
+ uaccess_exit tsk, r0, r1
#ifndef CONFIG_THUMB2_KERNEL
@ ARM mode restore
mov r0, sp
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index deef17f34bd2..af0a8500a24e 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -55,6 +55,13 @@ void *module_alloc(unsigned long size)
}
#endif
+bool module_init_section(const char *name)
+{
+ return strstarts(name, ".init") ||
+ strstarts(name, ".ARM.extab.init") ||
+ strstarts(name, ".ARM.exidx.init");
+}
+
bool module_exit_section(const char *name)
{
return strstarts(name, ".exit") ||
@@ -409,8 +416,17 @@ module_arch_cleanup(struct module *mod)
#ifdef CONFIG_ARM_UNWIND
int i;
- for (i = 0; i < ARM_SEC_MAX; i++)
- if (mod->arch.unwind[i])
- unwind_table_del(mod->arch.unwind[i]);
+ for (i = 0; i < ARM_SEC_MAX; i++) {
+ unwind_table_del(mod->arch.unwind[i]);
+ mod->arch.unwind[i] = NULL;
+ }
+#endif
+}
+
+void __weak module_arch_freeing_init(struct module *mod)
+{
+#ifdef CONFIG_ARM_UNWIND
+ unwind_table_del(mod->arch.unwind[ARM_SEC_INIT]);
+ mod->arch.unwind[ARM_SEC_INIT] = NULL;
#endif
}
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index b606cded90cd..4cc6a7eff635 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -219,8 +219,8 @@ static struct undef_hook arm_break_hook = {
};
static struct undef_hook thumb_break_hook = {
- .instr_mask = 0xffff,
- .instr_val = 0xde01,
+ .instr_mask = 0xffffffff,
+ .instr_val = 0x0000de01,
.cpsr_mask = PSR_T_BIT,
.cpsr_val = PSR_T_BIT,
.fn = break_trap,
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index 17bd32b22371..0203e545bbc8 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -253,20 +253,15 @@ asmlinkage long sys_oabi_epoll_ctl(int epfd, int op, int fd,
{
struct oabi_epoll_event user;
struct epoll_event kernel;
- mm_segment_t fs;
- long ret;
- if (op == EPOLL_CTL_DEL)
- return sys_epoll_ctl(epfd, op, fd, NULL);
- if (copy_from_user(&user, event, sizeof(user)))
+ if (ep_op_has_event(op) &&
+ copy_from_user(&user, event, sizeof(user)))
return -EFAULT;
+
kernel.events = user.events;
kernel.data = user.data;
- fs = get_fs();
- set_fs(KERNEL_DS);
- ret = sys_epoll_ctl(epfd, op, fd, &kernel);
- set_fs(fs);
- return ret;
+
+ return do_epoll_ctl(epfd, op, fd, &kernel, false);
}
asmlinkage long sys_oabi_epoll_wait(int epfd,
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 03506ce46149..e7364e6c8c6b 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -91,8 +91,10 @@ AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += suspend-imx6.o
obj-$(CONFIG_SOC_IMX53) += suspend-imx53.o
endif
+ifeq ($(CONFIG_ARM_CPU_SUSPEND),y)
AFLAGS_resume-imx6.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SOC_IMX6) += resume-imx6.o
+endif
obj-$(CONFIG_SOC_IMX6) += pm-imx6.o
obj-$(CONFIG_SOC_IMX1) += mach-imx1.o
diff --git a/arch/arm/mach-oxnas/platsmp.c b/arch/arm/mach-oxnas/platsmp.c
index ab35275b7ee3..f0a50b9e61df 100644
--- a/arch/arm/mach-oxnas/platsmp.c
+++ b/arch/arm/mach-oxnas/platsmp.c
@@ -27,7 +27,8 @@ static void __iomem *gic_cpu_ctrl;
#define GIC_CPU_CTRL 0x00
#define GIC_CPU_CTRL_ENABLE 1
-int __init ox820_boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int __init ox820_boot_secondary(unsigned int cpu,
+ struct task_struct *idle)
{
/*
* Write the address of secondary startup into the
diff --git a/arch/arm/mach-sa1100/shannon.c b/arch/arm/mach-sa1100/shannon.c
index 5bc82e2671c6..351f891b4842 100644
--- a/arch/arm/mach-sa1100/shannon.c
+++ b/arch/arm/mach-sa1100/shannon.c
@@ -104,6 +104,14 @@ static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = {
.enabled_at_boot = 1,
};
+static struct gpiod_lookup_table shannon_display_gpio_table = {
+ .dev_id = "sa11x0-fb",
+ .table = {
+ GPIO_LOOKUP("gpio", 22, "shannon-lcden", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
static void __init shannon_init(void)
{
sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata,
@@ -113,6 +121,7 @@ static void __init shannon_init(void)
sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table);
sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table);
sa11x0_ppc_configure_mcp();
+ gpiod_add_lookup_table(&shannon_display_gpio_table);
sa11x0_register_lcd(&shannon_lcd_info);
sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);
sa11x0_register_mcp(&shannon_mcp_data);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 054be44d1cdb..4e43455fab84 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -92,18 +92,6 @@ EXPORT_SYMBOL(arm_dma_zone_size);
*/
phys_addr_t arm_dma_limit;
unsigned long arm_dma_pfn_limit;
-
-static void __init arm_adjust_dma_zone(unsigned long *size, unsigned long *hole,
- unsigned long dma_size)
-{
- if (size[0] <= dma_size)
- return;
-
- size[ZONE_NORMAL] = size[0] - dma_size;
- size[ZONE_DMA] = dma_size;
- hole[ZONE_NORMAL] = hole[0];
- hole[ZONE_DMA] = 0;
-}
#endif
void __init setup_dma_zone(const struct machine_desc *mdesc)
@@ -121,56 +109,16 @@ void __init setup_dma_zone(const struct machine_desc *mdesc)
static void __init zone_sizes_init(unsigned long min, unsigned long max_low,
unsigned long max_high)
{
- unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
- struct memblock_region *reg;
-
- /*
- * initialise the zones.
- */
- memset(zone_size, 0, sizeof(zone_size));
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
- /*
- * The memory size has already been determined. If we need
- * to do anything fancy with the allocation of this memory
- * to the zones, now is the time to do it.
- */
- zone_size[0] = max_low - min;
-#ifdef CONFIG_HIGHMEM
- zone_size[ZONE_HIGHMEM] = max_high - max_low;
+#ifdef CONFIG_ZONE_DMA
+ max_zone_pfn[ZONE_DMA] = min(arm_dma_pfn_limit, max_low);
#endif
-
- /*
- * Calculate the size of the holes.
- * holes = node_size - sum(bank_sizes)
- */
- memcpy(zhole_size, zone_size, sizeof(zhole_size));
- for_each_memblock(memory, reg) {
- unsigned long start = memblock_region_memory_base_pfn(reg);
- unsigned long end = memblock_region_memory_end_pfn(reg);
-
- if (start < max_low) {
- unsigned long low_end = min(end, max_low);
- zhole_size[0] -= low_end - start;
- }
+ max_zone_pfn[ZONE_NORMAL] = max_low;
#ifdef CONFIG_HIGHMEM
- if (end > max_low) {
- unsigned long high_start = max(start, max_low);
- zhole_size[ZONE_HIGHMEM] -= end - high_start;
- }
+ max_zone_pfn[ZONE_HIGHMEM] = max_high;
#endif
- }
-
-#ifdef CONFIG_ZONE_DMA
- /*
- * Adjust the sizes according to any special requirements for
- * this machine type.
- */
- if (arm_dma_zone_size)
- arm_adjust_dma_zone(zone_size, zhole_size,
- arm_dma_zone_size >> PAGE_SHIFT);
-#endif
-
- free_area_init_node(0, zone_size, min, zhole_size);
+ free_area_init(max_zone_pfn);
}
#ifdef CONFIG_HAVE_ARCH_PFN_VALID
@@ -306,7 +254,7 @@ void __init bootmem_init(void)
sparse_init();
/*
- * Now free the memory - free_area_init_node needs
+ * Now free the memory - free_area_init needs
* the sparse mem_map arrays initialized by sparse_init()
* for memmap_init_zone(), otherwise all PFNs are invalid.
*/
diff --git a/arch/arm/mm/proc-macros.S b/arch/arm/mm/proc-macros.S
index 5461d589a1e2..60ac7c5999a9 100644
--- a/arch/arm/mm/proc-macros.S
+++ b/arch/arm/mm/proc-macros.S
@@ -5,6 +5,7 @@
* VMA_VM_FLAGS
* VM_EXEC
*/
+#include <linux/const.h>
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
@@ -30,7 +31,7 @@
* act_mm - get current->active_mm
*/
.macro act_mm, rd
- bic \rd, sp, #8128
+ bic \rd, sp, #(THREAD_SIZE - 1) & ~63
bic \rd, \rd, #63
ldr \rd, [\rd, #TI_TASK]
.if (TSK_ACTIVE_MM > IMM12_MASK)
diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index bf85d6db4931..0207b6ea6e8a 100644
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -795,6 +795,9 @@ static inline void emit_a32_alu_i(const s8 dst, const u32 val,
case BPF_RSH:
emit(ARM_LSR_I(rd, rd, val), ctx);
break;
+ case BPF_ARSH:
+ emit(ARM_ASR_I(rd, rd, val), ctx);
+ break;
case BPF_NEG:
emit(ARM_RSB_I(rd, rd, val), ctx);
break;
@@ -860,8 +863,8 @@ static inline void emit_a32_arsh_r64(const s8 dst[], const s8 src[],
emit(ARM_SUBS_I(tmp2[0], rt, 32), ctx);
emit(ARM_MOV_SR(ARM_LR, rd[1], SRTYPE_LSR, rt), ctx);
emit(ARM_ORR_SR(ARM_LR, ARM_LR, rd[0], SRTYPE_ASL, ARM_IP), ctx);
- _emit(ARM_COND_MI, ARM_B(0), ctx);
- emit(ARM_ORR_SR(ARM_LR, ARM_LR, rd[0], SRTYPE_ASR, tmp2[0]), ctx);
+ _emit(ARM_COND_PL,
+ ARM_ORR_SR(ARM_LR, ARM_LR, rd[0], SRTYPE_ASR, tmp2[0]), ctx);
emit(ARM_MOV_SR(ARM_IP, rd[0], SRTYPE_ASR, rt), ctx);
arm_bpf_put_reg32(dst_lo, ARM_LR, ctx);
@@ -1408,7 +1411,6 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
case BPF_ALU | BPF_MUL | BPF_X:
case BPF_ALU | BPF_LSH | BPF_X:
case BPF_ALU | BPF_RSH | BPF_X:
- case BPF_ALU | BPF_ARSH | BPF_K:
case BPF_ALU | BPF_ARSH | BPF_X:
case BPF_ALU64 | BPF_ADD | BPF_K:
case BPF_ALU64 | BPF_ADD | BPF_X:
@@ -1465,10 +1467,12 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
case BPF_ALU64 | BPF_MOD | BPF_K:
case BPF_ALU64 | BPF_MOD | BPF_X:
goto notyet;
- /* dst = dst >> imm */
/* dst = dst << imm */
- case BPF_ALU | BPF_RSH | BPF_K:
+ /* dst = dst >> imm */
+ /* dst = dst >> imm (signed) */
case BPF_ALU | BPF_LSH | BPF_K:
+ case BPF_ALU | BPF_RSH | BPF_K:
+ case BPF_ALU | BPF_ARSH | BPF_K:
if (unlikely(imm > 31))
return -EINVAL;
if (imm)
diff --git a/arch/arm/net/bpf_jit_32.h b/arch/arm/net/bpf_jit_32.h
index fb67cbc589e0..e0b593a1498d 100644
--- a/arch/arm/net/bpf_jit_32.h
+++ b/arch/arm/net/bpf_jit_32.h
@@ -94,6 +94,9 @@
#define ARM_INST_LSR_I 0x01a00020
#define ARM_INST_LSR_R 0x01a00030
+#define ARM_INST_ASR_I 0x01a00040
+#define ARM_INST_ASR_R 0x01a00050
+
#define ARM_INST_MOV_R 0x01a00000
#define ARM_INST_MOVS_R 0x01b00000
#define ARM_INST_MOV_I 0x03a00000
diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl
index 4d1cf74a2caa..d5cae5ffede0 100644
--- a/arch/arm/tools/syscall.tbl
+++ b/arch/arm/tools/syscall.tbl
@@ -451,3 +451,4 @@
435 common clone3 sys_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 40fb05d96c60..d0bc8bae7c8d 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -9,6 +9,8 @@ config ARM64
select ACPI_MCFG if (ACPI && PCI)
select ACPI_SPCR_TABLE if ACPI
select ACPI_PPTT if ACPI
+ select ARCH_HAS_DEBUG_WX
+ select ARCH_BINFMT_ELF_STATE
select ARCH_HAS_DEBUG_VIRTUAL
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_DMA_PREP_COHERENT
@@ -20,6 +22,7 @@ config ARM64
select ARCH_HAS_KCOV
select ARCH_HAS_KEEPINITRD
select ARCH_HAS_MEMBARRIER_SYNC_CORE
+ select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PTE_DEVMAP
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_SETUP_DMA_OPS
@@ -32,6 +35,7 @@ config ARM64
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_TEARDOWN_DMA_OPS if IOMMU_SUPPORT
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
+ select ARCH_HAVE_ELF_PROT
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK if !PREEMPTION
select ARCH_INLINE_READ_LOCK_BH if !PREEMPTION
@@ -61,9 +65,12 @@ config ARM64
select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE if !PREEMPTION
select ARCH_KEEP_MEMBLOCK
select ARCH_USE_CMPXCHG_LOCKREF
+ select ARCH_USE_GNU_PROPERTY
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_USE_SYM_ANNOTATIONS
select ARCH_SUPPORTS_MEMORY_FAILURE
+ select ARCH_SUPPORTS_SHADOW_CALL_STACK if CC_HAVE_SHADOW_CALL_STACK
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && (GCC_VERSION >= 50000 || CC_IS_CLANG)
select ARCH_SUPPORTS_NUMA_BALANCING
@@ -156,7 +163,6 @@ config ARM64
select HAVE_GCC_PLUGINS
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_IRQ_TIME_ACCOUNTING
- select HAVE_MEMBLOCK_NODE_MAP if NUMA
select HAVE_NMI
select HAVE_PATA_PLATFORM
select HAVE_PERF_EVENTS
@@ -524,13 +530,13 @@ config ARM64_ERRATUM_1418040
If unsure, say Y.
-config ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+config ARM64_WORKAROUND_SPECULATIVE_AT
bool
config ARM64_ERRATUM_1165522
- bool "Cortex-A76: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ bool "Cortex-A76: 1165522: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+ select ARM64_WORKAROUND_SPECULATIVE_AT
help
This option adds a workaround for ARM Cortex-A76 erratum 1165522.
@@ -540,10 +546,23 @@ config ARM64_ERRATUM_1165522
If unsure, say Y.
+config ARM64_ERRATUM_1319367
+ bool "Cortex-A57/A72: 1319537: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ default y
+ select ARM64_WORKAROUND_SPECULATIVE_AT
+ help
+ This option adds work arounds for ARM Cortex-A57 erratum 1319537
+ and A72 erratum 1319367
+
+ Cortex-A57 and A72 cores could end-up with corrupted TLBs by
+ speculating an AT instruction during a guest context switch.
+
+ If unsure, say Y.
+
config ARM64_ERRATUM_1530923
- bool "Cortex-A55: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
+ bool "Cortex-A55: 1530923: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+ select ARM64_WORKAROUND_SPECULATIVE_AT
help
This option adds a workaround for ARM Cortex-A55 erratum 1530923.
@@ -553,6 +572,9 @@ config ARM64_ERRATUM_1530923
If unsure, say Y.
+config ARM64_WORKAROUND_REPEAT_TLBI
+ bool
+
config ARM64_ERRATUM_1286807
bool "Cortex-A76: Modification of the translation table for a virtual address might lead to read-after-read ordering violation"
default y
@@ -569,22 +591,6 @@ config ARM64_ERRATUM_1286807
invalidated has been observed by other observers. The
workaround repeats the TLBI+DSB operation.
-config ARM64_WORKAROUND_SPECULATIVE_AT_NVHE
- bool
-
-config ARM64_ERRATUM_1319367
- bool "Cortex-A57/A72: Speculative AT instruction using out-of-context translation regime could cause subsequent request to generate an incorrect translation"
- default y
- select ARM64_WORKAROUND_SPECULATIVE_AT_NVHE
- help
- This option adds work arounds for ARM Cortex-A57 erratum 1319537
- and A72 erratum 1319367
-
- Cortex-A57 and A72 cores could end-up with corrupted TLBs by
- speculating an AT instruction during a guest context switch.
-
- If unsure, say Y.
-
config ARM64_ERRATUM_1463225
bool "Cortex-A76: Software Step might prevent interrupt recognition"
default y
@@ -694,6 +700,35 @@ config CAVIUM_TX2_ERRATUM_219
If unsure, say Y.
+config FUJITSU_ERRATUM_010001
+ bool "Fujitsu-A64FX erratum E#010001: Undefined fault may occur wrongly"
+ default y
+ help
+ This option adds a workaround for Fujitsu-A64FX erratum E#010001.
+ On some variants of the Fujitsu-A64FX cores ver(1.0, 1.1), memory
+ accesses may cause undefined fault (Data abort, DFSC=0b111111).
+ This fault occurs under a specific hardware condition when a
+ load/store instruction performs an address translation using:
+ case-1 TTBR0_EL1 with TCR_EL1.NFD0 == 1.
+ case-2 TTBR0_EL2 with TCR_EL2.NFD0 == 1.
+ case-3 TTBR1_EL1 with TCR_EL1.NFD1 == 1.
+ case-4 TTBR1_EL2 with TCR_EL2.NFD1 == 1.
+
+ The workaround is to ensure these bits are clear in TCR_ELx.
+ The workaround only affects the Fujitsu-A64FX.
+
+ If unsure, say Y.
+
+config HISILICON_ERRATUM_161600802
+ bool "Hip07 161600802: Erroneous redistributor VLPI base"
+ default y
+ help
+ The HiSilicon Hip07 SoC uses the wrong redistributor base
+ when issued ITS commands such as VMOVP and VMAPP, and requires
+ a 128kB offset to be applied to the target address in this commands.
+
+ If unsure, say Y.
+
config QCOM_FALKOR_ERRATUM_1003
bool "Falkor E1003: Incorrect translation due to ASID change"
default y
@@ -705,9 +740,6 @@ config QCOM_FALKOR_ERRATUM_1003
is unchanged. Work around the erratum by invalidating the walk cache
entries for the trampoline before entering the kernel proper.
-config ARM64_WORKAROUND_REPEAT_TLBI
- bool
-
config QCOM_FALKOR_ERRATUM_1009
bool "Falkor E1009: Prematurely complete a DSB after a TLBI"
default y
@@ -729,25 +761,6 @@ config QCOM_QDF2400_ERRATUM_0065
If unsure, say Y.
-config SOCIONEXT_SYNQUACER_PREITS
- bool "Socionext Synquacer: Workaround for GICv3 pre-ITS"
- default y
- help
- Socionext Synquacer SoCs implement a separate h/w block to generate
- MSI doorbell writes with non-zero values for the device ID.
-
- If unsure, say Y.
-
-config HISILICON_ERRATUM_161600802
- bool "Hip07 161600802: Erroneous redistributor VLPI base"
- default y
- help
- The HiSilicon Hip07 SoC uses the wrong redistributor base
- when issued ITS commands such as VMOVP and VMAPP, and requires
- a 128kB offset to be applied to the target address in this commands.
-
- If unsure, say Y.
-
config QCOM_FALKOR_ERRATUM_E1041
bool "Falkor E1041: Speculative instruction fetches might cause errant memory access"
default y
@@ -758,22 +771,12 @@ config QCOM_FALKOR_ERRATUM_E1041
If unsure, say Y.
-config FUJITSU_ERRATUM_010001
- bool "Fujitsu-A64FX erratum E#010001: Undefined fault may occur wrongly"
+config SOCIONEXT_SYNQUACER_PREITS
+ bool "Socionext Synquacer: Workaround for GICv3 pre-ITS"
default y
help
- This option adds a workaround for Fujitsu-A64FX erratum E#010001.
- On some variants of the Fujitsu-A64FX cores ver(1.0, 1.1), memory
- accesses may cause undefined fault (Data abort, DFSC=0b111111).
- This fault occurs under a specific hardware condition when a
- load/store instruction performs an address translation using:
- case-1 TTBR0_EL1 with TCR_EL1.NFD0 == 1.
- case-2 TTBR0_EL2 with TCR_EL2.NFD0 == 1.
- case-3 TTBR1_EL1 with TCR_EL1.NFD1 == 1.
- case-4 TTBR1_EL2 with TCR_EL2.NFD1 == 1.
-
- The workaround is to ensure these bits are clear in TCR_ELx.
- The workaround only affects the Fujitsu-A64FX.
+ Socionext Synquacer SoCs implement a separate h/w block to generate
+ MSI doorbell writes with non-zero values for the device ID.
If unsure, say Y.
@@ -1025,6 +1028,10 @@ config ARCH_HAS_CACHE_LINE_SIZE
config ARCH_ENABLE_SPLIT_PMD_PTLOCK
def_bool y if PGTABLE_LEVELS > 2
+# Supported by clang >= 7.0
+config CC_HAVE_SHADOW_CALL_STACK
+ def_bool $(cc-option, -fsanitize=shadow-call-stack -ffixed-x18)
+
config SECCOMP
bool "Enable seccomp to safely compute untrusted bytecode"
---help---
@@ -1584,6 +1591,48 @@ endmenu
menu "ARMv8.5 architectural features"
+config ARM64_BTI
+ bool "Branch Target Identification support"
+ default y
+ help
+ Branch Target Identification (part of the ARMv8.5 Extensions)
+ provides a mechanism to limit the set of locations to which computed
+ branch instructions such as BR or BLR can jump.
+
+ To make use of BTI on CPUs that support it, say Y.
+
+ BTI is intended to provide complementary protection to other control
+ flow integrity protection mechanisms, such as the Pointer
+ authentication mechanism provided as part of the ARMv8.3 Extensions.
+ For this reason, it does not make sense to enable this option without
+ also enabling support for pointer authentication. Thus, when
+ enabling this option you should also select ARM64_PTR_AUTH=y.
+
+ Userspace binaries must also be specifically compiled to make use of
+ this mechanism. If you say N here or the hardware does not support
+ BTI, such binaries can still run, but you get no additional
+ enforcement of branch destinations.
+
+config ARM64_BTI_KERNEL
+ bool "Use Branch Target Identification for kernel"
+ default y
+ depends on ARM64_BTI
+ depends on ARM64_PTR_AUTH
+ depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI
+ # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
+ depends on !CC_IS_GCC || GCC_VERSION >= 100100
+ depends on !(CC_IS_CLANG && GCOV_KERNEL)
+ depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
+ help
+ Build the kernel with Branch Target Identification annotations
+ and enable enforcement of this for kernel code. When this option
+ is enabled and the system supports BTI all kernel code including
+ modular code must have BTI enabled.
+
+config CC_HAS_BRANCH_PROT_PAC_RET_BTI
+ # GCC 9 or later, clang 8 or later
+ def_bool $(cc-option,-mbranch-protection=pac-ret+leaf+bti)
+
config ARM64_E0PD
bool "Enable support for E0PD"
default y
@@ -1785,7 +1834,7 @@ config EFI
select EFI_PARAMS_FROM_FDT
select EFI_RUNTIME_WRAPPERS
select EFI_STUB
- select EFI_ARMSTUB
+ select EFI_GENERIC_STUB
default y
help
This option provides support for runtime services provided
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index a1efa246c9ed..cdf7ec0b975e 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -23,35 +23,6 @@ config ARM64_RANDOMIZE_TEXT_OFFSET
of TEXT_OFFSET and platforms must not require a specific
value.
-config DEBUG_WX
- bool "Warn on W+X mappings at boot"
- select PTDUMP_CORE
- ---help---
- Generate a warning if any W+X mappings are found at boot.
-
- This is useful for discovering cases where the kernel is leaving
- W+X mappings after applying NX, as such mappings are a security risk.
- This check also includes UXN, which should be set on all kernel
- mappings.
-
- Look for a message in dmesg output like this:
-
- arm64/mm: Checked W+X mappings: passed, no W+X pages found.
-
- or like this, if the check failed:
-
- arm64/mm: Checked W+X mappings: FAILED, <N> W+X pages found.
-
- Note that even if the check fails, your kernel is possibly
- still fine, as W+X mappings are not a security hole in
- themselves, what they do is that they make the exploitation
- of other unfixed kernel bugs easier.
-
- There is no runtime or memory usage effect of this option
- once the kernel has booted up - it's a one time check.
-
- If in doubt, say "Y".
-
config DEBUG_EFI
depends on EFI && DEBUG_INFO
bool "UEFI debugging"
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 85e4149cc5d5..650e1185c190 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -12,7 +12,6 @@
LDFLAGS_vmlinux :=--no-undefined -X
CPPFLAGS_vmlinux.lds = -DTEXT_OFFSET=$(TEXT_OFFSET)
-GZFLAGS :=-9
ifeq ($(CONFIG_RELOCATABLE), y)
# Pass --no-apply-dynamic-relocs to restore pre-binutils-2.27 behaviour
@@ -71,7 +70,14 @@ branch-prot-flags-y += $(call cc-option,-mbranch-protection=none)
ifeq ($(CONFIG_ARM64_PTR_AUTH),y)
branch-prot-flags-$(CONFIG_CC_HAS_SIGN_RETURN_ADDRESS) := -msign-return-address=all
+# We enable additional protection for leaf functions as there is some
+# narrow potential for ROP protection benefits and no substantial
+# performance impact has been observed.
+ifeq ($(CONFIG_ARM64_BTI_KERNEL),y)
+branch-prot-flags-$(CONFIG_CC_HAS_BRANCH_PROT_PAC_RET_BTI) := -mbranch-protection=pac-ret+leaf+bti
+else
branch-prot-flags-$(CONFIG_CC_HAS_BRANCH_PROT_PAC_RET) := -mbranch-protection=pac-ret+leaf
+endif
# -march=armv8.3-a enables the non-nops instructions for PAC, to avoid the
# compiler to generate them and consequently to break the single image contract
# we pass it only to the assembler. This option is utilized only in case of non
@@ -81,6 +87,10 @@ endif
KBUILD_CFLAGS += $(branch-prot-flags-y)
+ifeq ($(CONFIG_SHADOW_CALL_STACK), y)
+KBUILD_CFLAGS += -ffixed-x18
+endif
+
ifeq ($(CONFIG_CPU_BIG_ENDIAN), y)
KBUILD_CPPFLAGS += -mbig-endian
CHECKFLAGS += -D__AARCH64EB__
@@ -118,7 +128,7 @@ TEXT_OFFSET := $(shell awk "BEGIN {srand(); printf \"0x%06x\n\", \
int(2 * 1024 * 1024 / (2 ^ $(CONFIG_ARM64_PAGE_SHIFT)) * \
rand()) * (2 ^ $(CONFIG_ARM64_PAGE_SHIFT))}")
else
-TEXT_OFFSET := 0x00080000
+TEXT_OFFSET := 0x0
endif
ifeq ($(CONFIG_KASAN_SW_TAGS), y)
@@ -131,7 +141,7 @@ KBUILD_CFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
KBUILD_CPPFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
KBUILD_AFLAGS += -DKASAN_SHADOW_SCALE_SHIFT=$(KASAN_SHADOW_SCALE_SHIFT)
-export TEXT_OFFSET GZFLAGS
+export TEXT_OFFSET
core-y += arch/arm64/
libs-y := arch/arm64/lib/ $(libs-y)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
index 316e8a443913..dc4ab6b434f9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
@@ -98,7 +98,7 @@
};
&codec_analog {
- hpvcc-supply = <&reg_eldo1>;
+ cpvdd-supply = <&reg_eldo1>;
status = "okay";
};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 31143fe64d91..c26cc1fcaffd 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -154,24 +154,6 @@
};
};
- sound_spdif {
- compatible = "simple-audio-card";
- simple-audio-card,name = "On-board SPDIF";
-
- simple-audio-card,cpu {
- sound-dai = <&spdif>;
- };
-
- simple-audio-card,codec {
- sound-dai = <&spdif_out>;
- };
- };
-
- spdif_out: spdif-out {
- #sound-dai-cells = <0>;
- compatible = "linux,spdif-dit";
- };
-
timer {
compatible = "arm,armv8-timer";
allwinner,erratum-unknown1;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 0882ea215b88..c0aef7d69117 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2319,7 +2319,7 @@
reg = <0x0 0xff400000 0x0 0x40000>;
interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
- clock-names = "ddr";
+ clock-names = "otg";
phys = <&usb2_phy1>;
phy-names = "usb2-phy";
dr_mode = "peripheral";
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
index 783e5a397f86..55d39020ec72 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
@@ -1,4 +1,3 @@
-
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2019 BayLibre, SAS
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
index c33e85fbdaba..c6c8caed8327 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
@@ -154,6 +154,10 @@
clock-latency = <50000>;
};
+&frddr_a {
+ status = "okay";
+};
+
&frddr_b {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
index 325e448eb09c..06c5430eb92d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
@@ -545,7 +545,7 @@
&usb {
status = "okay";
dr_mode = "host";
- vbus-regulator = <&usb_pwr_en>;
+ vbus-supply = <&usb_pwr_en>;
};
&usb2_phy0 {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 2a7f70b71149..13d0570c7ed6 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -447,7 +447,7 @@
edma0: dma-controller@22c0000 {
#dma-cells = <2>;
- compatible = "fsl,ls1028a-edma";
+ compatible = "fsl,ls1028a-edma", "fsl,vf610-edma";
reg = <0x0 0x22c0000 0x0 0x10000>,
<0x0 0x22d0000 0x0 0x10000>,
<0x0 0x22e0000 0x0 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index cc7152ecedd9..8829628f757a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -264,7 +264,7 @@
aips1: bus@30000000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x301f0000 0x10000>;
+ reg = <0x30000000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30000000 0x30000000 0x400000>;
@@ -543,7 +543,7 @@
aips2: bus@30400000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x305f0000 0x10000>;
+ reg = <0x30400000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30400000 0x30400000 0x400000>;
@@ -603,7 +603,7 @@
aips3: bus@30800000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x309f0000 0x10000>;
+ reg = <0x30800000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30800000 0x30800000 0x400000>,
@@ -863,7 +863,7 @@
aips4: bus@32c00000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x32df0000 0x10000>;
+ reg = <0x32c00000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x32c00000 0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index fa78f0163270..43971abe218b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -241,7 +241,7 @@
aips1: bus@30000000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x301f0000 0x10000>;
+ reg = <0x30000000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
@@ -448,7 +448,7 @@
aips2: bus@30400000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x305f0000 0x10000>;
+ reg = <0x30400000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
@@ -508,7 +508,7 @@
aips3: bus@30800000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x309f0000 0x10000>;
+ reg = <0x30800000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
@@ -718,7 +718,7 @@
reg = <0x30bd0000 0x10000>;
interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MN_CLK_SDMA1_ROOT>,
- <&clk IMX8MN_CLK_SDMA1_ROOT>;
+ <&clk IMX8MN_CLK_AHB>;
clock-names = "ipg", "ahb";
#dma-cells = <3>;
fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";
@@ -754,7 +754,7 @@
aips4: bus@32c00000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x32df0000 0x10000>;
+ reg = <0x32c00000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
index da78f89b6c98..319ab34cab3e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
@@ -151,26 +151,26 @@
#define MX8MP_IOMUXC_ENET_TXC__SIM_M_HADDR22 0x070 0x2D0 0x000 0x7 0x0
#define MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x074 0x2D4 0x000 0x0 0x0
#define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_SAI7_TX_SYNC 0x074 0x2D4 0x540 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_BIT_STREAM03 0x074 0x2D4 0x4CC 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_BIT_STREAM03 0x074 0x2D4 0x4CC 0x3 0x1
#define MX8MP_IOMUXC_ENET_RX_CTL__GPIO1_IO24 0x074 0x2D4 0x000 0x5 0x0
#define MX8MP_IOMUXC_ENET_RX_CTL__USDHC3_DATA2 0x074 0x2D4 0x618 0x6 0x0
#define MX8MP_IOMUXC_ENET_RX_CTL__SIM_M_HADDR23 0x074 0x2D4 0x000 0x7 0x0
#define MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x078 0x2D8 0x000 0x0 0x0
#define MX8MP_IOMUXC_ENET_RXC__ENET_QOS_RX_ER 0x078 0x2D8 0x000 0x1 0x0
#define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_SAI7_TX_BCLK 0x078 0x2D8 0x53C 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_BIT_STREAM02 0x078 0x2D8 0x4C8 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_BIT_STREAM02 0x078 0x2D8 0x4C8 0x3 0x1
#define MX8MP_IOMUXC_ENET_RXC__GPIO1_IO25 0x078 0x2D8 0x000 0x5 0x0
#define MX8MP_IOMUXC_ENET_RXC__USDHC3_DATA3 0x078 0x2D8 0x61C 0x6 0x0
#define MX8MP_IOMUXC_ENET_RXC__SIM_M_HADDR24 0x078 0x2D8 0x000 0x7 0x0
#define MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0 0x07C 0x2DC 0x000 0x0 0x0
#define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_SAI7_RX_DATA00 0x07C 0x2DC 0x534 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_BIT_STREAM01 0x07C 0x2DC 0x4C4 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_BIT_STREAM01 0x07C 0x2DC 0x4C4 0x3 0x1
#define MX8MP_IOMUXC_ENET_RD0__GPIO1_IO26 0x07C 0x2DC 0x000 0x5 0x0
#define MX8MP_IOMUXC_ENET_RD0__USDHC3_DATA4 0x07C 0x2DC 0x620 0x6 0x0
#define MX8MP_IOMUXC_ENET_RD0__SIM_M_HADDR25 0x07C 0x2DC 0x000 0x7 0x0
#define MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1 0x080 0x2E0 0x000 0x0 0x0
#define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_SAI7_RX_SYNC 0x080 0x2E0 0x538 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_BIT_STREAM00 0x080 0x2E0 0x4C0 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_BIT_STREAM00 0x080 0x2E0 0x4C0 0x3 0x1
#define MX8MP_IOMUXC_ENET_RD1__GPIO1_IO27 0x080 0x2E0 0x000 0x5 0x0
#define MX8MP_IOMUXC_ENET_RD1__USDHC3_RESET_B 0x080 0x2E0 0x000 0x6 0x0
#define MX8MP_IOMUXC_ENET_RD1__SIM_M_HADDR26 0x080 0x2E0 0x000 0x7 0x0
@@ -291,7 +291,7 @@
#define MX8MP_IOMUXC_SD2_DATA0__I2C4_SDA 0x0C8 0x328 0x5C0 0x2 0x1
#define MX8MP_IOMUXC_SD2_DATA0__UART2_DCE_RX 0x0C8 0x328 0x5F0 0x3 0x2
#define MX8MP_IOMUXC_SD2_DATA0__UART2_DTE_TX 0x0C8 0x328 0x000 0x3 0x0
-#define MX8MP_IOMUXC_SD2_DATA0__AUDIOMIX_BIT_STREAM00 0x0C8 0x328 0x4C0 0x4 0x1
+#define MX8MP_IOMUXC_SD2_DATA0__AUDIOMIX_BIT_STREAM00 0x0C8 0x328 0x4C0 0x4 0x2
#define MX8MP_IOMUXC_SD2_DATA0__GPIO2_IO15 0x0C8 0x328 0x000 0x5 0x0
#define MX8MP_IOMUXC_SD2_DATA0__CCMSRCGPCMIX_OBSERVE2 0x0C8 0x328 0x000 0x6 0x0
#define MX8MP_IOMUXC_SD2_DATA0__OBSERVE_MUX_OUT02 0x0C8 0x328 0x000 0x7 0x0
@@ -313,7 +313,7 @@
#define MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3 0x0D4 0x334 0x000 0x0 0x0
#define MX8MP_IOMUXC_SD2_DATA3__ECSPI2_MISO 0x0D4 0x334 0x56C 0x2 0x0
#define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_SPDIF_IN 0x0D4 0x334 0x544 0x3 0x1
-#define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_BIT_STREAM03 0x0D4 0x334 0x4CC 0x4 0x1
+#define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_BIT_STREAM03 0x0D4 0x334 0x4CC 0x4 0x2
#define MX8MP_IOMUXC_SD2_DATA3__GPIO2_IO18 0x0D4 0x334 0x000 0x5 0x0
#define MX8MP_IOMUXC_SD2_DATA3__CCMSRCGPCMIX_EARLY_RESET 0x0D4 0x334 0x000 0x6 0x0
#define MX8MP_IOMUXC_SD2_RESET_B__USDHC2_RESET_B 0x0D8 0x338 0x000 0x0 0x0
@@ -487,27 +487,27 @@
#define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_SAI1_TX_DATA02 0x134 0x394 0x000 0x1 0x0
#define MX8MP_IOMUXC_SAI5_RXD0__PWM2_OUT 0x134 0x394 0x000 0x2 0x0
#define MX8MP_IOMUXC_SAI5_RXD0__I2C5_SCL 0x134 0x394 0x5C4 0x3 0x1
-#define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_BIT_STREAM00 0x134 0x394 0x4C0 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_BIT_STREAM00 0x134 0x394 0x4C0 0x4 0x3
#define MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x134 0x394 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI5_RX_DATA01 0x138 0x398 0x4FC 0x0 0x0
#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI1_TX_DATA03 0x138 0x398 0x000 0x1 0x0
#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI1_TX_SYNC 0x138 0x398 0x4D8 0x2 0x0
#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI5_TX_SYNC 0x138 0x398 0x510 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_BIT_STREAM01 0x138 0x398 0x4C4 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_BIT_STREAM01 0x138 0x398 0x4C4 0x4 0x3
#define MX8MP_IOMUXC_SAI5_RXD1__GPIO3_IO22 0x138 0x398 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX 0x138 0x398 0x000 0x6 0x0
#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI5_RX_DATA02 0x13C 0x39C 0x500 0x0 0x0
#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI1_TX_DATA04 0x13C 0x39C 0x000 0x1 0x0
#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI1_TX_SYNC 0x13C 0x39C 0x4D8 0x2 0x1
#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI5_TX_BCLK 0x13C 0x39C 0x50C 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_BIT_STREAM02 0x13C 0x39C 0x4C8 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_BIT_STREAM02 0x13C 0x39C 0x4C8 0x4 0x3
#define MX8MP_IOMUXC_SAI5_RXD2__GPIO3_IO23 0x13C 0x39C 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX 0x13C 0x39C 0x54C 0x6 0x0
#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI5_RX_DATA03 0x140 0x3A0 0x504 0x0 0x0
#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI1_TX_DATA05 0x140 0x3A0 0x000 0x1 0x0
#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI1_TX_SYNC 0x140 0x3A0 0x4D8 0x2 0x2
#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI5_TX_DATA00 0x140 0x3A0 0x000 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_BIT_STREAM03 0x140 0x3A0 0x4CC 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_BIT_STREAM03 0x140 0x3A0 0x4CC 0x4 0x3
#define MX8MP_IOMUXC_SAI5_RXD3__GPIO3_IO24 0x140 0x3A0 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX 0x140 0x3A0 0x000 0x6 0x0
#define MX8MP_IOMUXC_SAI5_MCLK__AUDIOMIX_SAI5_MCLK 0x144 0x3A4 0x4F0 0x0 0x0
@@ -528,22 +528,22 @@
#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI1_RX_DATA00 0x150 0x3B0 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI5_RX_DATA00 0x150 0x3B0 0x4F8 0x1 0x1
#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI1_TX_DATA01 0x150 0x3B0 0x000 0x2 0x0
-#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_BIT_STREAM00 0x150 0x3B0 0x4C0 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_BIT_STREAM00 0x150 0x3B0 0x4C0 0x3 0x4
#define MX8MP_IOMUXC_SAI1_RXD0__ENET1_1588_EVENT1_IN 0x150 0x3B0 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI1_RXD0__GPIO4_IO02 0x150 0x3B0 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_SAI1_RX_DATA01 0x154 0x3B4 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_SAI5_RX_DATA01 0x154 0x3B4 0x4FC 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_BIT_STREAM01 0x154 0x3B4 0x4C4 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_BIT_STREAM01 0x154 0x3B4 0x4C4 0x3 0x4
#define MX8MP_IOMUXC_SAI1_RXD1__ENET1_1588_EVENT1_OUT 0x154 0x3B4 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03 0x154 0x3B4 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_SAI1_RX_DATA02 0x158 0x3B8 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_SAI5_RX_DATA02 0x158 0x3B8 0x500 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_BIT_STREAM02 0x158 0x3B8 0x4C8 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_BIT_STREAM02 0x158 0x3B8 0x4C8 0x3 0x4
#define MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC 0x158 0x3B8 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI1_RXD2__GPIO4_IO04 0x158 0x3B8 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_SAI1_RX_DATA03 0x15C 0x3BC 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_SAI5_RX_DATA03 0x15C 0x3BC 0x504 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_BIT_STREAM03 0x15C 0x3BC 0x4CC 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_BIT_STREAM03 0x15C 0x3BC 0x4CC 0x3 0x4
#define MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO 0x15C 0x3BC 0x57C 0x4 0x1
#define MX8MP_IOMUXC_SAI1_RXD3__GPIO4_IO05 0x15C 0x3BC 0x000 0x5 0x0
#define MX8MP_IOMUXC_SAI1_RXD4__AUDIOMIX_SAI1_RX_DATA04 0x160 0x3C0 0x000 0x0 0x0
@@ -624,7 +624,7 @@
#define MX8MP_IOMUXC_SAI2_RXFS__UART1_DCE_TX 0x19C 0x3FC 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI2_RXFS__UART1_DTE_RX 0x19C 0x3FC 0x5E8 0x4 0x2
#define MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21 0x19C 0x3FC 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_BIT_STREAM02 0x19C 0x3FC 0x4C8 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_BIT_STREAM02 0x19C 0x3FC 0x4C8 0x6 0x5
#define MX8MP_IOMUXC_SAI2_RXFS__SIM_M_HSIZE00 0x19C 0x3FC 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_SAI2_RX_BCLK 0x1A0 0x400 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_SAI5_TX_BCLK 0x1A0 0x400 0x50C 0x1 0x2
@@ -632,7 +632,7 @@
#define MX8MP_IOMUXC_SAI2_RXC__UART1_DCE_RX 0x1A0 0x400 0x5E8 0x4 0x3
#define MX8MP_IOMUXC_SAI2_RXC__UART1_DTE_TX 0x1A0 0x400 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x1A0 0x400 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_BIT_STREAM01 0x1A0 0x400 0x4C4 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_BIT_STREAM01 0x1A0 0x400 0x4C4 0x6 0x5
#define MX8MP_IOMUXC_SAI2_RXC__SIM_M_HSIZE01 0x1A0 0x400 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00 0x1A4 0x404 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI5_TX_DATA00 0x1A4 0x404 0x000 0x1 0x0
@@ -641,7 +641,7 @@
#define MX8MP_IOMUXC_SAI2_RXD0__UART1_DCE_RTS 0x1A4 0x404 0x5E4 0x4 0x2
#define MX8MP_IOMUXC_SAI2_RXD0__UART1_DTE_CTS 0x1A4 0x404 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23 0x1A4 0x404 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_BIT_STREAM03 0x1A4 0x404 0x4CC 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_BIT_STREAM03 0x1A4 0x404 0x4CC 0x6 0x5
#define MX8MP_IOMUXC_SAI2_RXD0__SIM_M_HSIZE02 0x1A4 0x404 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC 0x1A8 0x408 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI5_TX_DATA01 0x1A8 0x408 0x000 0x1 0x0
@@ -650,13 +650,13 @@
#define MX8MP_IOMUXC_SAI2_TXFS__UART1_DCE_CTS 0x1A8 0x408 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI2_TXFS__UART1_DTE_RTS 0x1A8 0x408 0x5E4 0x4 0x3
#define MX8MP_IOMUXC_SAI2_TXFS__GPIO4_IO24 0x1A8 0x408 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_BIT_STREAM02 0x1A8 0x408 0x4C8 0x6 0x5
+#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_BIT_STREAM02 0x1A8 0x408 0x4C8 0x6 0x6
#define MX8MP_IOMUXC_SAI2_TXFS__SIM_M_HWRITE 0x1A8 0x408 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0x1AC 0x40C 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI5_TX_DATA02 0x1AC 0x40C 0x000 0x1 0x0
#define MX8MP_IOMUXC_SAI2_TXC__CAN1_RX 0x1AC 0x40C 0x54C 0x3 0x1
#define MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25 0x1AC 0x40C 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_BIT_STREAM01 0x1AC 0x40C 0x4C4 0x6 0x5
+#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_BIT_STREAM01 0x1AC 0x40C 0x4C4 0x6 0x6
#define MX8MP_IOMUXC_SAI2_TXC__SIM_M_HREADYOUT 0x1AC 0x40C 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0x1B0 0x410 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI5_TX_DATA03 0x1B0 0x410 0x000 0x1 0x0
@@ -680,7 +680,7 @@
#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_SAI3_RX_DATA01 0x1B8 0x418 0x000 0x3 0x0
#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_SPDIF_IN 0x1B8 0x418 0x544 0x4 0x2
#define MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x1B8 0x418 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_BIT_STREAM00 0x1B8 0x418 0x4C0 0x6 0x4
+#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_BIT_STREAM00 0x1B8 0x418 0x4C0 0x6 0x5
#define MX8MP_IOMUXC_SAI3_RXFS__TPSMP_HTRANS00 0x1B8 0x418 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI3_RXC__AUDIOMIX_SAI3_RX_BCLK 0x1BC 0x41C 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI3_RXC__AUDIOMIX_SAI2_RX_DATA02 0x1BC 0x41C 0x000 0x1 0x0
@@ -697,7 +697,7 @@
#define MX8MP_IOMUXC_SAI3_RXD__UART2_DCE_RTS 0x1C0 0x420 0x5EC 0x4 0x3
#define MX8MP_IOMUXC_SAI3_RXD__UART2_DTE_CTS 0x1C0 0x420 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI3_RXD__GPIO4_IO30 0x1C0 0x420 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_BIT_STREAM01 0x1C0 0x420 0x4C4 0x6 0x6
+#define MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_BIT_STREAM01 0x1C0 0x420 0x4C4 0x6 0x7
#define MX8MP_IOMUXC_SAI3_RXD__TPSMP_HDATA00 0x1C0 0x420 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI3_TX_SYNC 0x1C4 0x424 0x4EC 0x0 0x1
#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI2_TX_DATA01 0x1C4 0x424 0x000 0x1 0x0
@@ -706,7 +706,7 @@
#define MX8MP_IOMUXC_SAI3_TXFS__UART2_DCE_RX 0x1C4 0x424 0x5F0 0x4 0x4
#define MX8MP_IOMUXC_SAI3_TXFS__UART2_DTE_TX 0x1C4 0x424 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI3_TXFS__GPIO4_IO31 0x1C4 0x424 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_BIT_STREAM03 0x1C4 0x424 0x4CC 0x6 0x5
+#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_BIT_STREAM03 0x1C4 0x424 0x4CC 0x6 0x6
#define MX8MP_IOMUXC_SAI3_TXFS__TPSMP_HDATA01 0x1C4 0x424 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI3_TX_BCLK 0x1C8 0x428 0x4E8 0x0 0x1
#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI2_TX_DATA02 0x1C8 0x428 0x000 0x1 0x0
@@ -715,7 +715,7 @@
#define MX8MP_IOMUXC_SAI3_TXC__UART2_DCE_TX 0x1C8 0x428 0x000 0x4 0x0
#define MX8MP_IOMUXC_SAI3_TXC__UART2_DTE_RX 0x1C8 0x428 0x5F0 0x4 0x5
#define MX8MP_IOMUXC_SAI3_TXC__GPIO5_IO00 0x1C8 0x428 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_BIT_STREAM02 0x1C8 0x428 0x4C8 0x6 0x6
+#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_BIT_STREAM02 0x1C8 0x428 0x4C8 0x6 0x7
#define MX8MP_IOMUXC_SAI3_TXC__TPSMP_HDATA02 0x1C8 0x428 0x000 0x7 0x0
#define MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI3_TX_DATA00 0x1CC 0x42C 0x000 0x0 0x0
#define MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI2_TX_DATA03 0x1CC 0x42C 0x000 0x1 0x0
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 9b1616e59d58..9f6ba763238d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -145,7 +145,7 @@
aips1: bus@30000000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x301f0000 0x10000>;
+ reg = <0x30000000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
@@ -318,7 +318,7 @@
aips2: bus@30400000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x305f0000 0x400000>;
+ reg = <0x30400000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
@@ -378,7 +378,7 @@
aips3: bus@30800000 {
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x309f0000 0x400000>;
+ reg = <0x30800000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 75b384217a23..bab88369be1b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -291,7 +291,7 @@
bus@30000000 { /* AIPS1 */
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x301f0000 0x10000>;
+ reg = <0x30000000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30000000 0x30000000 0x400000>;
@@ -696,7 +696,7 @@
bus@30400000 { /* AIPS2 */
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x305f0000 0x10000>;
+ reg = <0x30400000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30400000 0x30400000 0x400000>;
@@ -756,7 +756,7 @@
bus@30800000 { /* AIPS3 */
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x309f0000 0x10000>;
+ reg = <0x30800000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x30800000 0x30800000 0x400000>,
@@ -1029,7 +1029,7 @@
bus@32c00000 { /* AIPS4 */
compatible = "fsl,aips-bus", "simple-bus";
- reg = <0x32df0000 0x10000>;
+ reg = <0x32c00000 0x400000>;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x32c00000 0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index ccb8e88a60c5..d819e44d94a8 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -1402,8 +1402,8 @@
"venc_lt_sel";
assigned-clocks = <&topckgen CLK_TOP_VENC_SEL>,
<&topckgen CLK_TOP_VENC_LT_SEL>;
- assigned-clock-parents = <&topckgen CLK_TOP_VENCPLL_D2>,
- <&topckgen CLK_TOP_UNIVPLL1_D2>;
+ assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL>,
+ <&topckgen CLK_TOP_VCODECPLL_370P5>;
};
jpegdec: jpegdec@18004000 {
diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi
index 2f8adf042195..89af661e7f63 100644
--- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi
@@ -191,6 +191,11 @@
#clock-cells = <1>;
};
+ pericfg: pericfg@10003050 {
+ compatible = "mediatek,mt8516-pericfg", "syscon";
+ reg = <0 0x10003050 0 0x1000>;
+ };
+
apmixedsys: apmixedsys@10018000 {
compatible = "mediatek,mt8516-apmixedsys", "syscon";
reg = <0 0x10018000 0 0x710>;
@@ -401,6 +406,18 @@
status = "disabled";
};
+ ethernet: ethernet@11180000 {
+ compatible = "mediatek,mt8516-eth";
+ reg = <0 0x11180000 0 0x1000>;
+ mediatek,pericfg = <&pericfg>;
+ interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_RG_ETH>,
+ <&topckgen CLK_TOP_66M_ETH>,
+ <&topckgen CLK_TOP_133M_ETH>;
+ clock-names = "core", "reg", "trans";
+ status = "disabled";
+ };
+
rng: rng@1020c000 {
compatible = "mediatek,mt8516-rng",
"mediatek,mt7623-rng";
diff --git a/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi b/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi
index a31093d7142b..dfceffe6950a 100644
--- a/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi
+++ b/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi
@@ -9,6 +9,7 @@
/ {
aliases {
serial0 = &uart0;
+ ethernet0 = &ethernet;
};
chosen {
@@ -166,6 +167,24 @@
status = "okay";
};
+&ethernet {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ethernet_pins_default>;
+ phy-handle = <&eth_phy>;
+ phy-mode = "rmii";
+ mac-address = [00 00 00 00 00 00];
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eth_phy: ethernet-phy@0 {
+ reg = <0>;
+ };
+ };
+};
+
&usb0 {
status = "okay";
dr_mode = "peripheral";
@@ -218,4 +237,19 @@
bias-pull-up;
};
};
+
+ ethernet_pins_default: ethernet {
+ pins_ethernet {
+ pinmux = <MT8516_PIN_0_EINT0__FUNC_EXT_TXD0>,
+ <MT8516_PIN_1_EINT1__FUNC_EXT_TXD1>,
+ <MT8516_PIN_5_EINT5__FUNC_EXT_RXER>,
+ <MT8516_PIN_6_EINT6__FUNC_EXT_RXC>,
+ <MT8516_PIN_7_EINT7__FUNC_EXT_RXDV>,
+ <MT8516_PIN_8_EINT8__FUNC_EXT_RXD0>,
+ <MT8516_PIN_9_EINT9__FUNC_EXT_RXD1>,
+ <MT8516_PIN_12_EINT12__FUNC_EXT_TXEN>,
+ <MT8516_PIN_38_MRG_DI__FUNC_EXT_MDIO>,
+ <MT8516_PIN_39_MRG_DO__FUNC_EXT_MDC>;
+ };
+ };
};
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index af87350b5547..c4abbccf2bed 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -658,8 +658,8 @@
s11 {
qcom,saw-leader;
regulator-always-on;
- regulator-min-microvolt = <1230000>;
- regulator-max-microvolt = <1230000>;
+ regulator-min-microvolt = <980000>;
+ regulator-max-microvolt = <980000>;
};
};
@@ -908,10 +908,27 @@
status = "okay";
};
+&q6asmdai {
+ dai@0 {
+ reg = <0>;
+ };
+
+ dai@1 {
+ reg = <1>;
+ };
+
+ dai@2 {
+ reg = <2>;
+ };
+};
+
&sound {
compatible = "qcom,apq8096-sndcard";
model = "DB820c";
- audio-routing = "RX_BIAS", "MCLK";
+ audio-routing = "RX_BIAS", "MCLK",
+ "MM_DL1", "MultiMedia1 Playback",
+ "MM_DL2", "MultiMedia2 Playback",
+ "MultiMedia3 Capture", "MM_UL3";
mm1-dai-link {
link-name = "MultiMedia1";
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 14827adebd94..98634d5c4440 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -2066,6 +2066,8 @@
reg = <APR_SVC_ASM>;
q6asmdai: dais {
compatible = "qcom,q6asm-dais";
+ #address-cells = <1>;
+ #size-cells = <0>;
#sound-dai-cells = <1>;
iommus = <&lpass_q6_smmu 1>;
};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index a2e05926b429..21fd6f8d5799 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -442,17 +442,14 @@
&q6asmdai {
dai@0 {
reg = <0>;
- direction = <2>;
};
dai@1 {
reg = <1>;
- direction = <2>;
};
dai@2 {
reg = <2>;
- direction = <1>;
};
dai@3 {
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 8f926b5234d4..de6bb86c4968 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1761,6 +1761,8 @@
ipa: ipa@1e40000 {
compatible = "qcom,sdm845-ipa";
+
+ iommus = <&apps_smmu 0x720 0x3>;
reg = <0 0x1e40000 0 0x7000>,
<0 0x1e47000 0 0x2000>,
<0 0x1e04000 0 0x2c000>;
diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index 3b617a75fafa..51a670ad15b2 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -359,12 +359,10 @@
&q6asmdai {
dai@0 {
reg = <0>;
- direction = <2>;
};
dai@1 {
reg = <1>;
- direction = <1>;
};
};
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index 2afb91ec9c8d..ac2156ab3e62 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -137,8 +137,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
index d7c7b9156e08..01c4ba0f7be1 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -150,8 +150,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index 3dde028e22a6..ef8350a062af 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -174,8 +174,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
index adbfd8f07d06..6dff04693223 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
@@ -141,8 +141,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index e01b0508a18f..d672b320bc14 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -1318,6 +1318,7 @@
ipmmu_vip0: mmu@e7b00000 {
compatible = "renesas,ipmmu-r8a77980";
reg = <0 0xe7b00000 0 0x1000>;
+ renesas,ipmmu-main = <&ipmmu_mm 4>;
power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
#iommu-cells = <1>;
};
@@ -1325,6 +1326,7 @@
ipmmu_vip1: mmu@e7960000 {
compatible = "renesas,ipmmu-r8a77980";
reg = <0 0xe7960000 0 0x1000>;
+ renesas,ipmmu-main = <&ipmmu_mm 11>;
power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
#iommu-cells = <1>;
};
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 4fd2b14fbb8b..dc24cec46ae1 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -360,8 +360,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 67634cb01d6b..79c73a99d2fe 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -272,8 +272,8 @@
hdmi-encoder@39 {
compatible = "adi,adv7511w";
- reg = <0x39>, <0x3f>, <0x38>, <0x3c>;
- reg-names = "main", "edid", "packet", "cec";
+ reg = <0x39>, <0x3f>, <0x3c>, <0x38>;
+ reg-names = "main", "edid", "cec", "packet";
interrupt-parent = <&gpio1>;
interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
@@ -284,8 +284,6 @@
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
adi,input-clock = "1x";
- adi,input-style = <1>;
- adi,input-justification = "evenly";
ports {
#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi
index f809dd6d5dc3..adc9b8bf5eaa 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -143,7 +143,7 @@
};
arm-pmu {
- compatible = "arm,cortex-a53-pmu";
+ compatible = "arm,cortex-a35-pmu";
interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index ac43bc3f7031..ac7f694079d0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -127,7 +127,7 @@
};
arm-pmu {
- compatible = "arm,cortex-a53-pmu";
+ compatible = "arm,cortex-a35-pmu";
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 49c4b96da3d4..ac29c2744d08 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -82,17 +82,16 @@
&gmac2phy {
phy-supply = <&vcc_phy>;
clock_in_out = "output";
- assigned-clocks = <&cru SCLK_MAC2PHY_SRC>;
assigned-clock-rate = <50000000>;
assigned-clocks = <&cru SCLK_MAC2PHY>;
assigned-clock-parents = <&cru SCLK_MAC2PHY_SRC>;
-
+ status = "okay";
};
&i2c1 {
status = "okay";
- rk805: rk805@18 {
+ rk805: pmic@18 {
compatible = "rockchip,rk805";
reg = <0x18>;
interrupt-parent = <&gpio2>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
index bf3e546f5266..ebf3eb222e1f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -170,7 +170,7 @@
&i2c1 {
status = "okay";
- rk805: rk805@18 {
+ rk805: pmic@18 {
compatible = "rockchip,rk805";
reg = <0x18>;
interrupt-parent = <&gpio2>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 7e88d88aab98..a4d591d91533 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -299,8 +299,6 @@
grf: syscon@ff100000 {
compatible = "rockchip,rk3328-grf", "syscon", "simple-mfd";
reg = <0x0 0xff100000 0x0 0x1000>;
- #address-cells = <1>;
- #size-cells = <1>;
io_domains: io-domains {
compatible = "rockchip,rk3328-io-voltage-domain";
@@ -1794,10 +1792,6 @@
};
gmac2phy {
- fephyled_speed100: fephyled-speed100 {
- rockchip,pins = <0 RK_PD7 1 &pcfg_pull_none>;
- };
-
fephyled_speed10: fephyled-speed10 {
rockchip,pins = <0 RK_PD6 1 &pcfg_pull_none>;
};
@@ -1806,18 +1800,6 @@
rockchip,pins = <0 RK_PD6 2 &pcfg_pull_none>;
};
- fephyled_rxm0: fephyled-rxm0 {
- rockchip,pins = <0 RK_PD5 1 &pcfg_pull_none>;
- };
-
- fephyled_txm0: fephyled-txm0 {
- rockchip,pins = <0 RK_PD5 2 &pcfg_pull_none>;
- };
-
- fephyled_linkm0: fephyled-linkm0 {
- rockchip,pins = <0 RK_PD4 1 &pcfg_pull_none>;
- };
-
fephyled_rxm1: fephyled-rxm1 {
rockchip,pins = <2 RK_PD1 2 &pcfg_pull_none>;
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
index 5ea281b55fe2..c49982dfd8fc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
@@ -147,7 +147,7 @@
"Speaker", "Speaker Amplifier OUTL",
"Speaker", "Speaker Amplifier OUTR";
- simple-audio-card,hp-det-gpio = <&gpio0 RK_PB0 GPIO_ACTIVE_LOW>;
+ simple-audio-card,hp-det-gpio = <&gpio0 RK_PB0 GPIO_ACTIVE_HIGH>;
simple-audio-card,aux-devs = <&speaker_amp>;
simple-audio-card,pin-switches = "Speaker";
@@ -690,7 +690,8 @@
fusb0: fusb30x@22 {
compatible = "fcs,fusb302";
reg = <0x22>;
- fcs,int_n = <&gpio1 RK_PA2 GPIO_ACTIVE_HIGH>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&fusb0_int_gpio>;
vbus-supply = <&vbus_typec>;
@@ -788,13 +789,13 @@
dc-charger {
dc_det_gpio: dc-det-gpio {
- rockchip,pins = <4 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
+ rockchip,pins = <4 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
es8316 {
hp_det_gpio: hp-det-gpio {
- rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>;
+ rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 74f2c3d49095..1448f358ed0a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -403,7 +403,7 @@
reset-names = "usb3-otg";
status = "disabled";
- usbdrd_dwc3_0: dwc3 {
+ usbdrd_dwc3_0: usb@fe800000 {
compatible = "snps,dwc3";
reg = <0x0 0xfe800000 0x0 0x100000>;
interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH 0>;
@@ -439,7 +439,7 @@
reset-names = "usb3-otg";
status = "disabled";
- usbdrd_dwc3_1: dwc3 {
+ usbdrd_dwc3_1: usb@fe900000 {
compatible = "snps,dwc3";
reg = <0x0 0xfe900000 0x0 0x100000>;
interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>;
@@ -1124,8 +1124,6 @@
pmugrf: syscon@ff320000 {
compatible = "rockchip,rk3399-pmugrf", "syscon", "simple-mfd";
reg = <0x0 0xff320000 0x0 0x1000>;
- #address-cells = <1>;
- #size-cells = <1>;
pmu_io_domains: io-domains {
compatible = "rockchip,rk3399-pmu-io-voltage-domain";
@@ -1883,10 +1881,10 @@
gpu: gpu@ff9a0000 {
compatible = "rockchip,rk3399-mali", "arm,mali-t860";
reg = <0x0 0xff9a0000 0x0 0x10000>;
- interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>,
- <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
- <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>;
- interrupt-names = "gpu", "job", "mmu";
+ interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>;
+ interrupt-names = "job", "mmu", "gpu";
clocks = <&cru ACLK_GPU>;
#cooling-cells = <2>;
power-domains = <&power RK3399_PD_GPU>;
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 11887c72f23a..0d533d52fcda 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -570,6 +570,28 @@
<0x5>; /* RX_CHAN */
ti,sci-rm-range-rflow = <0x6>; /* GP RFLOW */
};
+
+ cpts@310d0000 {
+ compatible = "ti,am65-cpts";
+ reg = <0x0 0x310d0000 0x0 0x400>;
+ reg-names = "cpts";
+ clocks = <&main_cpts_mux>;
+ clock-names = "cpts";
+ interrupts-extended = <&intr_main_navss 163 0>;
+ interrupt-names = "cpts";
+ ti,cpts-periodic-outputs = <6>;
+ ti,cpts-ext-ts-inputs = <8>;
+
+ main_cpts_mux: refclk-mux {
+ #clock-cells = <0>;
+ clocks = <&k3_clks 118 5>, <&k3_clks 118 11>,
+ <&k3_clks 118 6>, <&k3_clks 118 3>,
+ <&k3_clks 118 8>, <&k3_clks 118 14>,
+ <&k3_clks 120 3>, <&k3_clks 121 3>;
+ assigned-clocks = <&main_cpts_mux>;
+ assigned-clock-parents = <&k3_clks 118 5>;
+ };
+ };
};
main_gpio0: main_gpio0@600000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 353d1e2532a7..ae5f813d0cac 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -247,5 +247,26 @@
clock-names = "fck";
bus_freq = <1000000>;
};
+
+ cpts@3d000 {
+ compatible = "ti,am65-cpts";
+ reg = <0x0 0x3d000 0x0 0x400>;
+ clocks = <&mcu_cpsw_cpts_mux>;
+ clock-names = "cpts";
+ interrupts-extended = <&gic500 GIC_SPI 570 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "cpts";
+ ti,cpts-ext-ts-inputs = <4>;
+ ti,cpts-periodic-outputs = <2>;
+
+ mcu_cpsw_cpts_mux: refclk-mux {
+ #clock-cells = <0>;
+ clocks = <&k3_clks 118 5>, <&k3_clks 118 11>,
+ <&k3_clks 118 6>, <&k3_clks 118 3>,
+ <&k3_clks 118 8>, <&k3_clks 118 14>,
+ <&k3_clks 120 3>, <&k3_clks 121 3>;
+ assigned-clocks = <&mcu_cpsw_cpts_mux>;
+ assigned-clock-parents = <&k3_clks 118 5>;
+ };
+ };
};
};
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
index 0b9d14b838a1..844a5b50cf09 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
@@ -254,6 +254,18 @@
<0x0c>; /* RX_UHCHAN */
ti,sci-rm-range-rflow = <0x00>; /* GP RFLOW */
};
+
+ cpts@310d0000 {
+ compatible = "ti,j721e-cpts";
+ reg = <0x0 0x310d0000 0x0 0x400>;
+ reg-names = "cpts";
+ clocks = <&k3_clks 201 1>;
+ clock-names = "cpts";
+ interrupts-extended = <&main_navss_intr 201 0>;
+ interrupt-names = "cpts";
+ ti,cpts-periodic-outputs = <6>;
+ ti,cpts-ext-ts-inputs = <8>;
+ };
};
main_pmx0: pinmux@11c000 {
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index 3d6064125b40..dc31bd0434cb 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -338,5 +338,16 @@
clock-names = "fck";
bus_freq = <1000000>;
};
+
+ cpts@3d000 {
+ compatible = "ti,am65-cpts";
+ reg = <0x0 0x3d000 0x0 0x400>;
+ clocks = <&k3_clks 18 2>;
+ clock-names = "cpts";
+ interrupts-extended = <&gic500 GIC_SPI 858 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "cpts";
+ ti,cpts-ext-ts-inputs = <4>;
+ ti,cpts-periodic-outputs = <2>;
+ };
};
};
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 24e534d85045..03d0189f7d68 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -208,7 +208,7 @@ CONFIG_PCIE_QCOM=y
CONFIG_PCIE_ARMADA_8K=y
CONFIG_PCIE_KIRIN=y
CONFIG_PCIE_HISI_STB=y
-CONFIG_PCIE_TEGRA194=m
+CONFIG_PCIE_TEGRA194_HOST=m
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_FW_LOADER_USER_HELPER=y
@@ -567,6 +567,7 @@ CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
CONFIG_MEDIA_SDR_SUPPORT=y
CONFIG_MEDIA_CONTROLLER=y
CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_PLATFORM_SUPPORT=y
# CONFIG_DVB_NET is not set
CONFIG_MEDIA_USB_SUPPORT=y
CONFIG_USB_VIDEO_CLASS=m
@@ -610,8 +611,9 @@ CONFIG_DRM_MSM=m
CONFIG_DRM_TEGRA=m
CONFIG_DRM_PANEL_LVDS=m
CONFIG_DRM_PANEL_SIMPLE=m
-CONFIG_DRM_DUMB_VGA_DAC=m
+CONFIG_DRM_SIMPLE_BRIDGE=m
CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA=m
+CONFIG_DRM_DISPLAY_CONNECTOR=m
CONFIG_DRM_SII902X=m
CONFIG_DRM_THINE_THC63LVD1024=m
CONFIG_DRM_TI_SN65DSI86=m
@@ -848,7 +850,8 @@ CONFIG_QCOM_APR=m
CONFIG_ARCH_R8A774A1=y
CONFIG_ARCH_R8A774B1=y
CONFIG_ARCH_R8A774C0=y
-CONFIG_ARCH_R8A7795=y
+CONFIG_ARCH_R8A77950=y
+CONFIG_ARCH_R8A77951=y
CONFIG_ARCH_R8A77960=y
CONFIG_ARCH_R8A77961=y
CONFIG_ARCH_R8A77965=y
diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c
index ed5409c6abf4..395bbf64b2ab 100644
--- a/arch/arm64/crypto/aes-glue.c
+++ b/arch/arm64/crypto/aes-glue.c
@@ -158,7 +158,6 @@ static int __maybe_unused essiv_cbc_set_key(struct crypto_skcipher *tfm,
unsigned int key_len)
{
struct crypto_aes_essiv_cbc_ctx *ctx = crypto_skcipher_ctx(tfm);
- SHASH_DESC_ON_STACK(desc, ctx->hash);
u8 digest[SHA256_DIGEST_SIZE];
int ret;
@@ -166,8 +165,7 @@ static int __maybe_unused essiv_cbc_set_key(struct crypto_skcipher *tfm,
if (ret)
return ret;
- desc->tfm = ctx->hash;
- crypto_shash_digest(desc, in_key, key_len, digest);
+ crypto_shash_tfm_digest(ctx->hash, in_key, key_len, digest);
return aes_expandkey(&ctx->key2, digest, sizeof(digest));
}
diff --git a/arch/arm64/crypto/chacha-neon-glue.c b/arch/arm64/crypto/chacha-neon-glue.c
index 37ca3e889848..af2bbca38e70 100644
--- a/arch/arm64/crypto/chacha-neon-glue.c
+++ b/arch/arm64/crypto/chacha-neon-glue.c
@@ -87,9 +87,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
!crypto_simd_usable())
return chacha_crypt_generic(state, dst, src, bytes, nrounds);
- kernel_neon_begin();
- chacha_doneon(state, dst, src, bytes, nrounds);
- kernel_neon_end();
+ do {
+ unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+ kernel_neon_begin();
+ chacha_doneon(state, dst, src, todo, nrounds);
+ kernel_neon_end();
+
+ bytes -= todo;
+ src += todo;
+ dst += todo;
+ } while (bytes);
}
EXPORT_SYMBOL(chacha_crypt_arch);
diff --git a/arch/arm64/crypto/crct10dif-ce-core.S b/arch/arm64/crypto/crct10dif-ce-core.S
index 5a95c2628fbf..111d9c9abddd 100644
--- a/arch/arm64/crypto/crct10dif-ce-core.S
+++ b/arch/arm64/crypto/crct10dif-ce-core.S
@@ -66,7 +66,7 @@
#include <asm/assembler.h>
.text
- .cpu generic+crypto
+ .arch armv8-a+crypto
init_crc .req w19
buf .req x20
diff --git a/arch/arm64/crypto/nhpoly1305-neon-glue.c b/arch/arm64/crypto/nhpoly1305-neon-glue.c
index 895d3727c1fb..c5405e6a6db7 100644
--- a/arch/arm64/crypto/nhpoly1305-neon-glue.c
+++ b/arch/arm64/crypto/nhpoly1305-neon-glue.c
@@ -30,7 +30,7 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
return crypto_nhpoly1305_update(desc, src, srclen);
do {
- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+ unsigned int n = min_t(unsigned int, srclen, SZ_4K);
kernel_neon_begin();
crypto_nhpoly1305_update_helper(desc, src, n, _nh_neon);
diff --git a/arch/arm64/crypto/poly1305-glue.c b/arch/arm64/crypto/poly1305-glue.c
index e97b092f56b8..f33ada70c4ed 100644
--- a/arch/arm64/crypto/poly1305-glue.c
+++ b/arch/arm64/crypto/poly1305-glue.c
@@ -143,13 +143,20 @@ void poly1305_update_arch(struct poly1305_desc_ctx *dctx, const u8 *src,
unsigned int len = round_down(nbytes, POLY1305_BLOCK_SIZE);
if (static_branch_likely(&have_neon) && crypto_simd_usable()) {
- kernel_neon_begin();
- poly1305_blocks_neon(&dctx->h, src, len, 1);
- kernel_neon_end();
+ do {
+ unsigned int todo = min_t(unsigned int, len, SZ_4K);
+
+ kernel_neon_begin();
+ poly1305_blocks_neon(&dctx->h, src, todo, 1);
+ kernel_neon_end();
+
+ len -= todo;
+ src += todo;
+ } while (len);
} else {
poly1305_blocks(&dctx->h, src, len, 1);
+ src += len;
}
- src += len;
nbytes %= POLY1305_BLOCK_SIZE;
}
diff --git a/arch/arm64/crypto/sha256-glue.c b/arch/arm64/crypto/sha256-glue.c
index ddf4a0d85c1c..77bc6e72abae 100644
--- a/arch/arm64/crypto/sha256-glue.c
+++ b/arch/arm64/crypto/sha256-glue.c
@@ -12,7 +12,6 @@
#include <crypto/internal/simd.h>
#include <crypto/sha.h>
#include <crypto/sha256_base.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <linux/string.h>
diff --git a/arch/arm64/crypto/sha512-glue.c b/arch/arm64/crypto/sha512-glue.c
index 78d3083de6b7..370ccb29602f 100644
--- a/arch/arm64/crypto/sha512-glue.c
+++ b/arch/arm64/crypto/sha512-glue.c
@@ -6,7 +6,6 @@
*/
#include <crypto/internal/hash.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <linux/string.h>
#include <crypto/sha.h>
diff --git a/arch/arm64/include/asm/asm_pointer_auth.h b/arch/arm64/include/asm/asm_pointer_auth.h
index ce2a8486992b..52dead2a8640 100644
--- a/arch/arm64/include/asm/asm_pointer_auth.h
+++ b/arch/arm64/include/asm/asm_pointer_auth.h
@@ -39,25 +39,58 @@ alternative_if ARM64_HAS_GENERIC_AUTH
alternative_else_nop_endif
.endm
- .macro ptrauth_keys_install_kernel tsk, sync, tmp1, tmp2, tmp3
-alternative_if ARM64_HAS_ADDRESS_AUTH
+ .macro __ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3
mov \tmp1, #THREAD_KEYS_KERNEL
add \tmp1, \tsk, \tmp1
ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_KERNEL_KEY_APIA]
msr_s SYS_APIAKEYLO_EL1, \tmp2
msr_s SYS_APIAKEYHI_EL1, \tmp3
- .if \sync == 1
+ .endm
+
+ .macro ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3
+alternative_if ARM64_HAS_ADDRESS_AUTH
+ __ptrauth_keys_install_kernel_nosync \tsk, \tmp1, \tmp2, \tmp3
+alternative_else_nop_endif
+ .endm
+
+ .macro ptrauth_keys_install_kernel tsk, tmp1, tmp2, tmp3
+alternative_if ARM64_HAS_ADDRESS_AUTH
+ __ptrauth_keys_install_kernel_nosync \tsk, \tmp1, \tmp2, \tmp3
isb
- .endif
alternative_else_nop_endif
.endm
+ .macro __ptrauth_keys_init_cpu tsk, tmp1, tmp2, tmp3
+ mrs \tmp1, id_aa64isar1_el1
+ ubfx \tmp1, \tmp1, #ID_AA64ISAR1_APA_SHIFT, #8
+ cbz \tmp1, .Lno_addr_auth\@
+ mov_q \tmp1, (SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | \
+ SCTLR_ELx_ENDA | SCTLR_ELx_ENDB)
+ mrs \tmp2, sctlr_el1
+ orr \tmp2, \tmp2, \tmp1
+ msr sctlr_el1, \tmp2
+ __ptrauth_keys_install_kernel_nosync \tsk, \tmp1, \tmp2, \tmp3
+ isb
+.Lno_addr_auth\@:
+ .endm
+
+ .macro ptrauth_keys_init_cpu tsk, tmp1, tmp2, tmp3
+alternative_if_not ARM64_HAS_ADDRESS_AUTH
+ b .Lno_addr_auth\@
+alternative_else_nop_endif
+ __ptrauth_keys_init_cpu \tsk, \tmp1, \tmp2, \tmp3
+.Lno_addr_auth\@:
+ .endm
+
#else /* CONFIG_ARM64_PTR_AUTH */
.macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
.endm
- .macro ptrauth_keys_install_kernel tsk, sync, tmp1, tmp2, tmp3
+ .macro ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3
+ .endm
+
+ .macro ptrauth_keys_install_kernel tsk, tmp1, tmp2, tmp3
.endm
#endif /* CONFIG_ARM64_PTR_AUTH */
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 0bff325117b4..54d181177656 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -736,4 +736,54 @@ USER(\label, ic ivau, \tmp2) // invalidate I line PoU
.Lyield_out_\@ :
.endm
+/*
+ * This macro emits a program property note section identifying
+ * architecture features which require special handling, mainly for
+ * use in assembly files included in the VDSO.
+ */
+
+#define NT_GNU_PROPERTY_TYPE_0 5
+#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
+
+#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
+#define GNU_PROPERTY_AARCH64_FEATURE_1_PAC (1U << 1)
+
+#ifdef CONFIG_ARM64_BTI_KERNEL
+#define GNU_PROPERTY_AARCH64_FEATURE_1_DEFAULT \
+ ((GNU_PROPERTY_AARCH64_FEATURE_1_BTI | \
+ GNU_PROPERTY_AARCH64_FEATURE_1_PAC))
+#endif
+
+#ifdef GNU_PROPERTY_AARCH64_FEATURE_1_DEFAULT
+.macro emit_aarch64_feature_1_and, feat=GNU_PROPERTY_AARCH64_FEATURE_1_DEFAULT
+ .pushsection .note.gnu.property, "a"
+ .align 3
+ .long 2f - 1f
+ .long 6f - 3f
+ .long NT_GNU_PROPERTY_TYPE_0
+1: .string "GNU"
+2:
+ .align 3
+3: .long GNU_PROPERTY_AARCH64_FEATURE_1_AND
+ .long 5f - 4f
+4:
+ /*
+ * This is described with an array of char in the Linux API
+ * spec but the text and all other usage (including binutils,
+ * clang and GCC) treat this as a 32 bit value so no swizzling
+ * is required for big endian.
+ */
+ .long \feat
+5:
+ .align 3
+6:
+ .popsection
+.endm
+
+#else
+.macro emit_aarch64_feature_1_and, feat=0
+.endm
+
+#endif /* GNU_PROPERTY_AARCH64_FEATURE_1_DEFAULT */
+
#endif /* __ASM_ASSEMBLER_H */
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
index e6cca3d4acf7..ce50c1f1f1ea 100644
--- a/arch/arm64/include/asm/cacheflush.h
+++ b/arch/arm64/include/asm/cacheflush.h
@@ -79,7 +79,7 @@ static inline void flush_icache_range(unsigned long start, unsigned long end)
* IPI all online CPUs so that they undergo a context synchronization
* event and are forced to refetch the new instructions.
*/
-#ifdef CONFIG_KGDB
+
/*
* KGDB performs cache maintenance with interrupts disabled, so we
* will deadlock trying to IPI the secondary CPUs. In theory, we can
@@ -89,9 +89,9 @@ static inline void flush_icache_range(unsigned long start, unsigned long end)
* the patching operation, so we don't need extra IPIs here anyway.
* In which case, add a KGDB-specific bodge and return early.
*/
- if (kgdb_connected && irqs_disabled())
+ if (in_dbg_master())
return;
-#endif
+
kick_all_cpus_sync();
}
diff --git a/arch/arm64/include/asm/compiler.h b/arch/arm64/include/asm/compiler.h
index eece20d2c55f..51a7ce87cdfe 100644
--- a/arch/arm64/include/asm/compiler.h
+++ b/arch/arm64/include/asm/compiler.h
@@ -2,8 +2,6 @@
#ifndef __ASM_COMPILER_H
#define __ASM_COMPILER_H
-#if defined(CONFIG_ARM64_PTR_AUTH)
-
/*
* The EL0/EL1 pointer bits used by a pointer authentication code.
* This is dependent on TBI0/TBI1 being enabled, or bits 63:56 would also apply.
@@ -19,6 +17,4 @@
#define __builtin_return_address(val) \
(void *)(ptrauth_clear_pac((unsigned long)__builtin_return_address(val)))
-#endif /* CONFIG_ARM64_PTR_AUTH */
-
#endif /* __ASM_COMPILER_H */
diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h
index b4a40535a3d8..7faae6ff3ab4 100644
--- a/arch/arm64/include/asm/cpu.h
+++ b/arch/arm64/include/asm/cpu.h
@@ -33,6 +33,7 @@ struct cpuinfo_arm64 {
u64 reg_id_aa64zfr0;
u32 reg_id_dfr0;
+ u32 reg_id_dfr1;
u32 reg_id_isar0;
u32 reg_id_isar1;
u32 reg_id_isar2;
@@ -44,8 +45,11 @@ struct cpuinfo_arm64 {
u32 reg_id_mmfr1;
u32 reg_id_mmfr2;
u32 reg_id_mmfr3;
+ u32 reg_id_mmfr4;
+ u32 reg_id_mmfr5;
u32 reg_id_pfr0;
u32 reg_id_pfr1;
+ u32 reg_id_pfr2;
u32 reg_mvfr0;
u32 reg_mvfr1;
diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h
index 8eb5a088ae65..d7b3bb0cb180 100644
--- a/arch/arm64/include/asm/cpucaps.h
+++ b/arch/arm64/include/asm/cpucaps.h
@@ -44,7 +44,7 @@
#define ARM64_SSBS 34
#define ARM64_WORKAROUND_1418040 35
#define ARM64_HAS_SB 36
-#define ARM64_WORKAROUND_SPECULATIVE_AT_VHE 37
+#define ARM64_WORKAROUND_SPECULATIVE_AT 37
#define ARM64_HAS_ADDRESS_AUTH_ARCH 38
#define ARM64_HAS_ADDRESS_AUTH_IMP_DEF 39
#define ARM64_HAS_GENERIC_AUTH_ARCH 40
@@ -55,13 +55,14 @@
#define ARM64_WORKAROUND_CAVIUM_TX2_219_TVM 45
#define ARM64_WORKAROUND_CAVIUM_TX2_219_PRFM 46
#define ARM64_WORKAROUND_1542419 47
-#define ARM64_WORKAROUND_SPECULATIVE_AT_NVHE 48
-#define ARM64_HAS_E0PD 49
-#define ARM64_HAS_RNG 50
-#define ARM64_HAS_AMU_EXTN 51
-#define ARM64_HAS_ADDRESS_AUTH 52
-#define ARM64_HAS_GENERIC_AUTH 53
+#define ARM64_HAS_E0PD 48
+#define ARM64_HAS_RNG 49
+#define ARM64_HAS_AMU_EXTN 50
+#define ARM64_HAS_ADDRESS_AUTH 51
+#define ARM64_HAS_GENERIC_AUTH 52
+#define ARM64_HAS_32BIT_EL1 53
+#define ARM64_BTI 54
-#define ARM64_NCAPS 54
+#define ARM64_NCAPS 55
#endif /* __ASM_CPUCAPS_H */
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index afe08251ff95..5d1f4ae42799 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -551,6 +551,13 @@ static inline bool id_aa64mmfr0_mixed_endian_el0(u64 mmfr0)
cpuid_feature_extract_unsigned_field(mmfr0, ID_AA64MMFR0_BIGENDEL0_SHIFT) == 0x1;
}
+static inline bool id_aa64pfr0_32bit_el1(u64 pfr0)
+{
+ u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_SHIFT);
+
+ return val == ID_AA64PFR0_EL1_32BIT_64BIT;
+}
+
static inline bool id_aa64pfr0_32bit_el0(u64 pfr0)
{
u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL0_SHIFT);
@@ -680,6 +687,11 @@ static inline bool system_has_prio_mask_debugging(void)
system_uses_irq_prio_masking();
}
+static inline bool system_supports_bti(void)
+{
+ return IS_ENABLED(CONFIG_ARM64_BTI) && cpus_have_const_cap(ARM64_BTI);
+}
+
#define ARM64_BP_HARDEN_UNKNOWN -1
#define ARM64_BP_HARDEN_WA_NEEDED 0
#define ARM64_BP_HARDEN_NOT_REQUIRED 1
@@ -745,6 +757,24 @@ static inline bool cpu_has_hw_af(void)
extern bool cpu_has_amu_feat(int cpu);
#endif
+static inline unsigned int get_vmid_bits(u64 mmfr1)
+{
+ int vmid_bits;
+
+ vmid_bits = cpuid_feature_extract_unsigned_field(mmfr1,
+ ID_AA64MMFR1_VMIDBITS_SHIFT);
+ if (vmid_bits == ID_AA64MMFR1_VMIDBITS_16)
+ return 16;
+
+ /*
+ * Return the default here even if any reserved
+ * value is fetched from the system register.
+ */
+ return 8;
+}
+
+u32 get_kvm_ipa_limit(void);
+
#endif /* __ASSEMBLY__ */
#endif
diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h
index 7619f473155f..e5ceea213e39 100644
--- a/arch/arm64/include/asm/debug-monitors.h
+++ b/arch/arm64/include/asm/debug-monitors.h
@@ -125,5 +125,7 @@ static inline int reinstall_suspended_bps(struct pt_regs *regs)
int aarch32_break_handler(struct pt_regs *regs);
+void debug_traps_init(void);
+
#endif /* __ASSEMBLY */
#endif /* __ASM_DEBUG_MONITORS_H */
diff --git a/arch/arm64/include/asm/efi.h b/arch/arm64/include/asm/efi.h
index 45e821222774..d4ab3f73e7a3 100644
--- a/arch/arm64/include/asm/efi.h
+++ b/arch/arm64/include/asm/efi.h
@@ -86,14 +86,6 @@ static inline unsigned long efi_get_max_initrd_addr(unsigned long dram_base,
return (image_addr & ~(SZ_1G - 1UL)) + (1UL << (VA_BITS_MIN - 1));
}
-#define efi_bs_call(func, ...) efi_system_table()->boottime->func(__VA_ARGS__)
-#define efi_rt_call(func, ...) efi_system_table()->runtime->func(__VA_ARGS__)
-#define efi_is_native() (true)
-
-#define efi_table_attr(inst, attr) (inst->attr)
-
-#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)
-
#define alloc_screen_info(x...) &screen_info
static inline void free_screen_info(struct screen_info *si)
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index b618017205a3..4f00d50585a4 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -114,7 +114,11 @@
#ifndef __ASSEMBLY__
+#include <uapi/linux/elf.h>
#include <linux/bug.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/types.h>
#include <asm/processor.h> /* for signal_minsigstksz, used by ARCH_DLINFO */
typedef unsigned long elf_greg_t;
@@ -224,6 +228,52 @@ extern int aarch32_setup_additional_pages(struct linux_binprm *bprm,
#endif /* CONFIG_COMPAT */
+struct arch_elf_state {
+ int flags;
+};
+
+#define ARM64_ELF_BTI (1 << 0)
+
+#define INIT_ARCH_ELF_STATE { \
+ .flags = 0, \
+}
+
+static inline int arch_parse_elf_property(u32 type, const void *data,
+ size_t datasz, bool compat,
+ struct arch_elf_state *arch)
+{
+ /* No known properties for AArch32 yet */
+ if (IS_ENABLED(CONFIG_COMPAT) && compat)
+ return 0;
+
+ if (type == GNU_PROPERTY_AARCH64_FEATURE_1_AND) {
+ const u32 *p = data;
+
+ if (datasz != sizeof(*p))
+ return -ENOEXEC;
+
+ if (system_supports_bti() &&
+ (*p & GNU_PROPERTY_AARCH64_FEATURE_1_BTI))
+ arch->flags |= ARM64_ELF_BTI;
+ }
+
+ return 0;
+}
+
+static inline int arch_elf_pt_proc(void *ehdr, void *phdr,
+ struct file *f, bool is_interp,
+ struct arch_elf_state *state)
+{
+ return 0;
+}
+
+static inline int arch_check_elf(void *ehdr, bool has_interp,
+ void *interp_ehdr,
+ struct arch_elf_state *state)
+{
+ return 0;
+}
+
#endif /* !__ASSEMBLY__ */
#endif
diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 6a395a7e6707..035003acfa87 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -22,7 +22,7 @@
#define ESR_ELx_EC_PAC (0x09) /* EL2 and above */
/* Unallocated EC: 0x0A - 0x0B */
#define ESR_ELx_EC_CP14_64 (0x0C)
-/* Unallocated EC: 0x0d */
+#define ESR_ELx_EC_BTI (0x0D)
#define ESR_ELx_EC_ILL (0x0E)
/* Unallocated EC: 0x0F - 0x10 */
#define ESR_ELx_EC_SVC32 (0x11)
diff --git a/arch/arm64/include/asm/exception.h b/arch/arm64/include/asm/exception.h
index 7a6e81ca23a8..7577a754d443 100644
--- a/arch/arm64/include/asm/exception.h
+++ b/arch/arm64/include/asm/exception.h
@@ -34,6 +34,7 @@ static inline u32 disr_to_esr(u64 disr)
asmlinkage void enter_from_user_mode(void);
void do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
void do_undefinstr(struct pt_regs *regs);
+void do_bti(struct pt_regs *regs);
asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr);
void do_debug_exception(unsigned long addr_if_watchpoint, unsigned int esr,
struct pt_regs *regs);
diff --git a/arch/arm64/include/asm/hardirq.h b/arch/arm64/include/asm/hardirq.h
index 87ad961f3c97..985493af704b 100644
--- a/arch/arm64/include/asm/hardirq.h
+++ b/arch/arm64/include/asm/hardirq.h
@@ -32,30 +32,70 @@ u64 smp_irq_stat_cpu(unsigned int cpu);
struct nmi_ctx {
u64 hcr;
+ unsigned int cnt;
};
DECLARE_PER_CPU(struct nmi_ctx, nmi_contexts);
-#define arch_nmi_enter() \
- do { \
- if (is_kernel_in_hyp_mode()) { \
- struct nmi_ctx *nmi_ctx = this_cpu_ptr(&nmi_contexts); \
- nmi_ctx->hcr = read_sysreg(hcr_el2); \
- if (!(nmi_ctx->hcr & HCR_TGE)) { \
- write_sysreg(nmi_ctx->hcr | HCR_TGE, hcr_el2); \
- isb(); \
- } \
- } \
- } while (0)
+#define arch_nmi_enter() \
+do { \
+ struct nmi_ctx *___ctx; \
+ u64 ___hcr; \
+ \
+ if (!is_kernel_in_hyp_mode()) \
+ break; \
+ \
+ ___ctx = this_cpu_ptr(&nmi_contexts); \
+ if (___ctx->cnt) { \
+ ___ctx->cnt++; \
+ break; \
+ } \
+ \
+ ___hcr = read_sysreg(hcr_el2); \
+ if (!(___hcr & HCR_TGE)) { \
+ write_sysreg(___hcr | HCR_TGE, hcr_el2); \
+ isb(); \
+ } \
+ /* \
+ * Make sure the sysreg write is performed before ___ctx->cnt \
+ * is set to 1. NMIs that see cnt == 1 will rely on us. \
+ */ \
+ barrier(); \
+ ___ctx->cnt = 1; \
+ /* \
+ * Make sure ___ctx->cnt is set before we save ___hcr. We \
+ * don't want ___ctx->hcr to be overwritten. \
+ */ \
+ barrier(); \
+ ___ctx->hcr = ___hcr; \
+} while (0)
-#define arch_nmi_exit() \
- do { \
- if (is_kernel_in_hyp_mode()) { \
- struct nmi_ctx *nmi_ctx = this_cpu_ptr(&nmi_contexts); \
- if (!(nmi_ctx->hcr & HCR_TGE)) \
- write_sysreg(nmi_ctx->hcr, hcr_el2); \
- } \
- } while (0)
+#define arch_nmi_exit() \
+do { \
+ struct nmi_ctx *___ctx; \
+ u64 ___hcr; \
+ \
+ if (!is_kernel_in_hyp_mode()) \
+ break; \
+ \
+ ___ctx = this_cpu_ptr(&nmi_contexts); \
+ ___hcr = ___ctx->hcr; \
+ /* \
+ * Make sure we read ___ctx->hcr before we release \
+ * ___ctx->cnt as it makes ___ctx->hcr updatable again. \
+ */ \
+ barrier(); \
+ ___ctx->cnt--; \
+ /* \
+ * Make sure ___ctx->cnt release is visible before we \
+ * restore the sysreg. Otherwise a new NMI occurring \
+ * right after write_sysreg() can be fooled and think \
+ * we secured things for it. \
+ */ \
+ barrier(); \
+ if (!___ctx->cnt && !(___hcr & HCR_TGE)) \
+ write_sysreg(___hcr, hcr_el2); \
+} while (0)
static inline void ack_bad_irq(unsigned int irq)
{
diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h
index 2eb6c234d594..94ba0c5bced2 100644
--- a/arch/arm64/include/asm/hugetlb.h
+++ b/arch/arm64/include/asm/hugetlb.h
@@ -17,22 +17,11 @@
extern bool arch_hugetlb_migration_supported(struct hstate *h);
#endif
-#define __HAVE_ARCH_HUGE_PTEP_GET
-static inline pte_t huge_ptep_get(pte_t *ptep)
-{
- return READ_ONCE(*ptep);
-}
-
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr, unsigned long len)
-{
- return 0;
-}
-
static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
}
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
struct page *page, int writable);
diff --git a/arch/arm64/include/asm/hwcap.h b/arch/arm64/include/asm/hwcap.h
index 0f00265248b5..d683bcbf1e7c 100644
--- a/arch/arm64/include/asm/hwcap.h
+++ b/arch/arm64/include/asm/hwcap.h
@@ -94,6 +94,7 @@
#define KERNEL_HWCAP_BF16 __khwcap2_feature(BF16)
#define KERNEL_HWCAP_DGH __khwcap2_feature(DGH)
#define KERNEL_HWCAP_RNG __khwcap2_feature(RNG)
+#define KERNEL_HWCAP_BTI __khwcap2_feature(BTI)
/*
* This yields a mask that user programs can use to figure out what
diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h
index bb313dde58a4..0bc46149e491 100644
--- a/arch/arm64/include/asm/insn.h
+++ b/arch/arm64/include/asm/insn.h
@@ -39,13 +39,37 @@ enum aarch64_insn_encoding_class {
* system instructions */
};
-enum aarch64_insn_hint_op {
+enum aarch64_insn_hint_cr_op {
AARCH64_INSN_HINT_NOP = 0x0 << 5,
AARCH64_INSN_HINT_YIELD = 0x1 << 5,
AARCH64_INSN_HINT_WFE = 0x2 << 5,
AARCH64_INSN_HINT_WFI = 0x3 << 5,
AARCH64_INSN_HINT_SEV = 0x4 << 5,
AARCH64_INSN_HINT_SEVL = 0x5 << 5,
+
+ AARCH64_INSN_HINT_XPACLRI = 0x07 << 5,
+ AARCH64_INSN_HINT_PACIA_1716 = 0x08 << 5,
+ AARCH64_INSN_HINT_PACIB_1716 = 0x0A << 5,
+ AARCH64_INSN_HINT_AUTIA_1716 = 0x0C << 5,
+ AARCH64_INSN_HINT_AUTIB_1716 = 0x0E << 5,
+ AARCH64_INSN_HINT_PACIAZ = 0x18 << 5,
+ AARCH64_INSN_HINT_PACIASP = 0x19 << 5,
+ AARCH64_INSN_HINT_PACIBZ = 0x1A << 5,
+ AARCH64_INSN_HINT_PACIBSP = 0x1B << 5,
+ AARCH64_INSN_HINT_AUTIAZ = 0x1C << 5,
+ AARCH64_INSN_HINT_AUTIASP = 0x1D << 5,
+ AARCH64_INSN_HINT_AUTIBZ = 0x1E << 5,
+ AARCH64_INSN_HINT_AUTIBSP = 0x1F << 5,
+
+ AARCH64_INSN_HINT_ESB = 0x10 << 5,
+ AARCH64_INSN_HINT_PSB = 0x11 << 5,
+ AARCH64_INSN_HINT_TSB = 0x12 << 5,
+ AARCH64_INSN_HINT_CSDB = 0x14 << 5,
+
+ AARCH64_INSN_HINT_BTI = 0x20 << 5,
+ AARCH64_INSN_HINT_BTIC = 0x22 << 5,
+ AARCH64_INSN_HINT_BTIJ = 0x24 << 5,
+ AARCH64_INSN_HINT_BTIJC = 0x26 << 5,
};
enum aarch64_insn_imm_type {
@@ -344,7 +368,7 @@ __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000)
#undef __AARCH64_INSN_FUNCS
-bool aarch64_insn_is_nop(u32 insn);
+bool aarch64_insn_is_steppable_hint(u32 insn);
bool aarch64_insn_is_branch_imm(u32 insn);
static inline bool aarch64_insn_is_adr_adrp(u32 insn)
@@ -370,7 +394,7 @@ u32 aarch64_insn_gen_comp_branch_imm(unsigned long pc, unsigned long addr,
enum aarch64_insn_branch_type type);
u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
enum aarch64_insn_condition cond);
-u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_op op);
+u32 aarch64_insn_gen_hint(enum aarch64_insn_hint_cr_op op);
u32 aarch64_insn_gen_nop(void);
u32 aarch64_insn_gen_branch_reg(enum aarch64_insn_register reg,
enum aarch64_insn_branch_type type);
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 7c7eeeaab9fa..0c9b5fc4ba0a 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h
@@ -64,12 +64,14 @@ extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
extern void __kvm_tlb_flush_vmid(struct kvm *kvm);
extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu);
-extern void __kvm_timer_set_cntvoff(u32 cntvoff_low, u32 cntvoff_high);
+extern void __kvm_timer_set_cntvoff(u64 cntvoff);
extern int kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu);
extern int __kvm_vcpu_run_nvhe(struct kvm_vcpu *vcpu);
+extern void __kvm_enable_ssbs(void);
+
extern u64 __vgic_v3_get_ich_vtr_el2(void);
extern u64 __vgic_v3_read_vmcr(void);
extern void __vgic_v3_write_vmcr(u32 vmcr);
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index a30b4eec7cb4..6ea53e6e8b26 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -507,10 +507,12 @@ static inline unsigned long vcpu_data_host_to_guest(struct kvm_vcpu *vcpu,
static __always_inline void kvm_skip_instr(struct kvm_vcpu *vcpu, bool is_wide_instr)
{
- if (vcpu_mode_is_32bit(vcpu))
+ if (vcpu_mode_is_32bit(vcpu)) {
kvm_skip_instr32(vcpu, is_wide_instr);
- else
+ } else {
*vcpu_pc(vcpu) += 4;
+ *vcpu_cpsr(vcpu) &= ~PSR_BTYPE_MASK;
+ }
/* advance the singlestep state machine */
*vcpu_cpsr(vcpu) &= ~DBG_SPSR_SS;
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 32c8a675e5a4..abbdf9703e20 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -46,6 +46,9 @@
#define KVM_REQ_RECORD_STEAL KVM_ARCH_REQ(3)
#define KVM_REQ_RELOAD_GICv4 KVM_ARCH_REQ(4)
+#define KVM_DIRTY_LOG_MANUAL_CAPS (KVM_DIRTY_LOG_MANUAL_PROTECT_ENABLE | \
+ KVM_DIRTY_LOG_INITIALLY_SET)
+
DECLARE_STATIC_KEY_FALSE(userspace_irqchip_in_use);
extern unsigned int kvm_sve_max_vl;
@@ -112,12 +115,8 @@ struct kvm_vcpu_fault_info {
u64 disr_el1; /* Deferred [SError] Status Register */
};
-/*
- * 0 is reserved as an invalid value.
- * Order should be kept in sync with the save/restore code.
- */
enum vcpu_sysreg {
- __INVALID_SYSREG__,
+ __INVALID_SYSREG__, /* 0 is reserved as an invalid value */
MPIDR_EL1, /* MultiProcessor Affinity Register */
CSSELR_EL1, /* Cache Size Selection Register */
SCTLR_EL1, /* System Control Register */
@@ -415,6 +414,8 @@ struct kvm_vm_stat {
struct kvm_vcpu_stat {
u64 halt_successful_poll;
u64 halt_attempted_poll;
+ u64 halt_poll_success_ns;
+ u64 halt_poll_fail_ns;
u64 halt_poll_invalid;
u64 halt_wakeup;
u64 hvc_exit_stat;
@@ -530,39 +531,6 @@ static inline void kvm_init_host_cpu_context(struct kvm_cpu_context *cpu_ctxt)
cpu_ctxt->sys_regs[MPIDR_EL1] = read_cpuid_mpidr();
}
-void __kvm_enable_ssbs(void);
-
-static inline void __cpu_init_hyp_mode(phys_addr_t pgd_ptr,
- unsigned long hyp_stack_ptr,
- unsigned long vector_ptr)
-{
- /*
- * Calculate the raw per-cpu offset without a translation from the
- * kernel's mapping to the linear mapping, and store it in tpidr_el2
- * so that we can use adr_l to access per-cpu variables in EL2.
- */
- u64 tpidr_el2 = ((u64)this_cpu_ptr(&kvm_host_data) -
- (u64)kvm_ksym_ref(kvm_host_data));
-
- /*
- * Call initialization code, and switch to the full blown HYP code.
- * If the cpucaps haven't been finalized yet, something has gone very
- * wrong, and hyp will crash and burn when it uses any
- * cpus_have_const_cap() wrapper.
- */
- BUG_ON(!system_capabilities_finalized());
- __kvm_call_hyp((void *)pgd_ptr, hyp_stack_ptr, vector_ptr, tpidr_el2);
-
- /*
- * Disabling SSBD on a non-VHE system requires us to enable SSBS
- * at EL2.
- */
- if (!has_vhe() && this_cpu_has_cap(ARM64_SSBS) &&
- arm64_get_ssbd_state() == ARM64_SSBD_FORCE_DISABLE) {
- kvm_call_hyp(__kvm_enable_ssbs);
- }
-}
-
static inline bool kvm_arch_requires_vhe(void)
{
/*
@@ -573,10 +541,6 @@ static inline bool kvm_arch_requires_vhe(void)
if (system_supports_sve())
return true;
- /* Some implementations have defects that confine them to VHE */
- if (cpus_have_cap(ARM64_WORKAROUND_SPECULATIVE_AT_VHE))
- return true;
-
return false;
}
@@ -598,8 +562,6 @@ int kvm_arm_vcpu_arch_get_attr(struct kvm_vcpu *vcpu,
int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr);
-static inline void __cpu_init_stage2(void) {}
-
/* Guest/host FPSIMD coordination helpers */
int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu);
@@ -670,7 +632,7 @@ static inline int kvm_arm_have_ssbd(void)
void kvm_vcpu_load_sysregs(struct kvm_vcpu *vcpu);
void kvm_vcpu_put_sysregs(struct kvm_vcpu *vcpu);
-void kvm_set_ipa_limit(void);
+int kvm_set_ipa_limit(void);
#define __KVM_HAVE_ARCH_VM_ALLOC
struct kvm *kvm_arch_alloc_vm(void);
diff --git a/arch/arm64/include/asm/kvm_hyp.h b/arch/arm64/include/asm/kvm_hyp.h
index fe57f60f06a8..ce3080834bfa 100644
--- a/arch/arm64/include/asm/kvm_hyp.h
+++ b/arch/arm64/include/asm/kvm_hyp.h
@@ -10,10 +10,9 @@
#include <linux/compiler.h>
#include <linux/kvm_host.h>
#include <asm/alternative.h>
-#include <asm/kvm_mmu.h>
#include <asm/sysreg.h>
-#define __hyp_text __section(.hyp.text) notrace
+#define __hyp_text __section(.hyp.text) notrace __noscs
#define read_sysreg_elx(r,nvh,vh) \
({ \
@@ -56,12 +55,12 @@
int __vgic_v2_perform_cpuif_access(struct kvm_vcpu *vcpu);
-void __vgic_v3_save_state(struct kvm_vcpu *vcpu);
-void __vgic_v3_restore_state(struct kvm_vcpu *vcpu);
-void __vgic_v3_activate_traps(struct kvm_vcpu *vcpu);
-void __vgic_v3_deactivate_traps(struct kvm_vcpu *vcpu);
-void __vgic_v3_save_aprs(struct kvm_vcpu *vcpu);
-void __vgic_v3_restore_aprs(struct kvm_vcpu *vcpu);
+void __vgic_v3_save_state(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_restore_state(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_activate_traps(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_deactivate_traps(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if);
+void __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if);
int __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu);
void __timer_enable_traps(struct kvm_vcpu *vcpu);
@@ -88,22 +87,5 @@ void deactivate_traps_vhe_put(void);
u64 __guest_enter(struct kvm_vcpu *vcpu, struct kvm_cpu_context *host_ctxt);
void __noreturn __hyp_do_panic(unsigned long, ...);
-/*
- * Must be called from hyp code running at EL2 with an updated VTTBR
- * and interrupts disabled.
- */
-static __always_inline void __hyp_text __load_guest_stage2(struct kvm *kvm)
-{
- write_sysreg(kvm->arch.vtcr, vtcr_el2);
- write_sysreg(kvm_get_vttbr(kvm), vttbr_el2);
-
- /*
- * ARM errata 1165522 and 1530923 require the actual execution of the
- * above before we can switch to the EL1/EL0 translation regime used by
- * the guest.
- */
- asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT_VHE));
-}
-
#endif /* __ARM64_KVM_HYP_H__ */
diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h
index 30b0e8d6b895..324c8483d2b9 100644
--- a/arch/arm64/include/asm/kvm_mmu.h
+++ b/arch/arm64/include/asm/kvm_mmu.h
@@ -363,8 +363,6 @@ static inline void __kvm_flush_dcache_pud(pud_t pud)
}
}
-#define kvm_virt_to_phys(x) __pa_symbol(x)
-
void kvm_set_way_flush(struct kvm_vcpu *vcpu);
void kvm_toggle_cache(struct kvm_vcpu *vcpu, bool was_enabled);
@@ -416,7 +414,7 @@ static inline unsigned int kvm_get_vmid_bits(void)
{
int reg = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
- return (cpuid_feature_extract_unsigned_field(reg, ID_AA64MMFR1_VMIDBITS_SHIFT) == 2) ? 16 : 8;
+ return get_vmid_bits(reg);
}
/*
@@ -473,7 +471,7 @@ static inline int kvm_write_guest_lock(struct kvm *kvm, gpa_t gpa,
extern void *__kvm_bp_vect_base;
extern int __kvm_harden_el2_vector_slot;
-/* This is only called on a VHE system */
+/* This is called on both VHE and !VHE systems */
static inline void *kvm_get_hyp_vector(void)
{
struct bp_hardening_data *data = arm64_get_bp_hardening_data();
@@ -604,5 +602,22 @@ static __always_inline u64 kvm_get_vttbr(struct kvm *kvm)
return kvm_phys_to_vttbr(baddr) | vmid_field | cnp;
}
+/*
+ * Must be called from hyp code running at EL2 with an updated VTTBR
+ * and interrupts disabled.
+ */
+static __always_inline void __load_guest_stage2(struct kvm *kvm)
+{
+ write_sysreg(kvm->arch.vtcr, vtcr_el2);
+ write_sysreg(kvm_get_vttbr(kvm), vttbr_el2);
+
+ /*
+ * ARM errata 1165522 and 1530923 require the actual execution of the
+ * above before we can switch to the EL1/EL0 translation regime used by
+ * the guest.
+ */
+ asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT));
+}
+
#endif /* __ASSEMBLY__ */
#endif /* __ARM64_KVM_MMU_H__ */
diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h
index ebee3113a62f..81fefd2a1d02 100644
--- a/arch/arm64/include/asm/linkage.h
+++ b/arch/arm64/include/asm/linkage.h
@@ -4,6 +4,52 @@
#define __ALIGN .align 2
#define __ALIGN_STR ".align 2"
+#if defined(CONFIG_ARM64_BTI_KERNEL) && defined(__aarch64__)
+
+/*
+ * Since current versions of gas reject the BTI instruction unless we
+ * set the architecture version to v8.5 we use the hint instruction
+ * instead.
+ */
+#define BTI_C hint 34 ;
+#define BTI_J hint 36 ;
+
+/*
+ * When using in-kernel BTI we need to ensure that PCS-conformant assembly
+ * functions have suitable annotations. Override SYM_FUNC_START to insert
+ * a BTI landing pad at the start of everything.
+ */
+#define SYM_FUNC_START(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \
+ BTI_C
+
+#define SYM_FUNC_START_NOALIGN(name) \
+ SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE) \
+ BTI_C
+
+#define SYM_FUNC_START_LOCAL(name) \
+ SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN) \
+ BTI_C
+
+#define SYM_FUNC_START_LOCAL_NOALIGN(name) \
+ SYM_START(name, SYM_L_LOCAL, SYM_A_NONE) \
+ BTI_C
+
+#define SYM_FUNC_START_WEAK(name) \
+ SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN) \
+ BTI_C
+
+#define SYM_FUNC_START_WEAK_NOALIGN(name) \
+ SYM_START(name, SYM_L_WEAK, SYM_A_NONE) \
+ BTI_C
+
+#define SYM_INNER_LABEL(name, linkage) \
+ .type name SYM_T_NONE ASM_NL \
+ SYM_ENTRY(name, linkage, SYM_A_NONE) \
+ BTI_J
+
+#endif
+
/*
* Annotate a function as position independent, i.e., safe to be called before
* the kernel virtual mapping is activated.
diff --git a/arch/arm64/include/asm/mman.h b/arch/arm64/include/asm/mman.h
new file mode 100644
index 000000000000..081ec8de9ea6
--- /dev/null
+++ b/arch/arm64/include/asm/mman.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MMAN_H__
+#define __ASM_MMAN_H__
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <uapi/asm/mman.h>
+
+static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
+ unsigned long pkey __always_unused)
+{
+ if (system_supports_bti() && (prot & PROT_BTI))
+ return VM_ARM64_BTI;
+
+ return 0;
+}
+#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
+
+static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
+{
+ return (vm_flags & VM_ARM64_BTI) ? __pgprot(PTE_GP) : __pgprot(0);
+}
+#define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
+
+static inline bool arch_validate_prot(unsigned long prot,
+ unsigned long addr __always_unused)
+{
+ unsigned long supported = PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM;
+
+ if (system_supports_bti())
+ supported |= PROT_BTI;
+
+ return (prot & ~supported) == 0;
+}
+#define arch_validate_prot(prot, addr) arch_validate_prot(prot, addr)
+
+#endif /* ! __ASM_MMAN_H__ */
diff --git a/arch/arm64/include/asm/module.h b/arch/arm64/include/asm/module.h
index 1e93de68c044..4e7fa2623896 100644
--- a/arch/arm64/include/asm/module.h
+++ b/arch/arm64/include/asm/module.h
@@ -7,8 +7,6 @@
#include <asm-generic/module.h>
-#define MODULE_ARCH_VERMAGIC "aarch64"
-
#ifdef CONFIG_ARM64_MODULE_PLTS
struct mod_plt_sec {
int plt_shndx;
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 6bf5e650da78..9c91a8f93a0e 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -151,6 +151,7 @@
#define PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */
#define PTE_AF (_AT(pteval_t, 1) << 10) /* Access Flag */
#define PTE_NG (_AT(pteval_t, 1) << 11) /* nG */
+#define PTE_GP (_AT(pteval_t, 1) << 50) /* BTI guarded */
#define PTE_DBM (_AT(pteval_t, 1) << 51) /* Dirty Bit Management */
#define PTE_CONT (_AT(pteval_t, 1) << 52) /* Contiguous range */
#define PTE_PXN (_AT(pteval_t, 1) << 53) /* Privileged XN */
@@ -190,7 +191,6 @@
* Memory Attribute override for Stage-2 (MemAttr[3:0])
*/
#define PTE_S2_MEMATTR(t) (_AT(pteval_t, (t)) << 2)
-#define PTE_S2_MEMATTR_MASK (_AT(pteval_t, 0xf) << 2)
/*
* EL2/HYP PTE/PMD definitions
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 1305e28225fc..2e7e0f452301 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -21,6 +21,7 @@
#ifndef __ASSEMBLY__
+#include <asm/cpufeature.h>
#include <asm/pgtable-types.h>
extern bool arm64_use_ng_mappings;
@@ -31,6 +32,16 @@ extern bool arm64_use_ng_mappings;
#define PTE_MAYBE_NG (arm64_use_ng_mappings ? PTE_NG : 0)
#define PMD_MAYBE_NG (arm64_use_ng_mappings ? PMD_SECT_NG : 0)
+/*
+ * If we have userspace only BTI we don't want to mark kernel pages
+ * guarded even if the system does support BTI.
+ */
+#ifdef CONFIG_ARM64_BTI_KERNEL
+#define PTE_MAYBE_GP (system_supports_bti() ? PTE_GP : 0)
+#else
+#define PTE_MAYBE_GP 0
+#endif
+
#define PROT_DEFAULT (_PROT_DEFAULT | PTE_MAYBE_NG)
#define PROT_SECT_DEFAULT (_PROT_SECT_DEFAULT | PMD_MAYBE_NG)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 538c85e62f86..9ce000f22d9e 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -366,7 +366,7 @@ static inline int pmd_protnone(pmd_t pmd)
#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
-#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_SECT_VALID))
+#define pmd_mkinvalid(pmd) (__pmd(pmd_val(pmd) & ~PMD_SECT_VALID))
#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd))
@@ -407,6 +407,9 @@ static inline pmd_t pmd_mkdevmap(pmd_t pmd)
#define __pgprot_modify(prot,mask,bits) \
__pgprot((pgprot_val(prot) & ~(mask)) | (bits))
+#define pgprot_nx(prot) \
+ __pgprot_modify(prot, 0, PTE_PXN)
+
/*
* Mark the prot value as uncacheable and unbufferable.
*/
@@ -457,6 +460,7 @@ extern pgd_t init_pg_dir[PTRS_PER_PGD];
extern pgd_t init_pg_end[];
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern pgd_t idmap_pg_dir[PTRS_PER_PGD];
+extern pgd_t idmap_pg_end[];
extern pgd_t tramp_pg_dir[PTRS_PER_PGD];
extern void set_swapper_pgd(pgd_t *pgdp, pgd_t pgd);
@@ -508,7 +512,7 @@ static inline void pte_unmap(pte_t *pte) { }
#define pte_set_fixmap_offset(pmd, addr) pte_set_fixmap(pte_offset_phys(pmd, addr))
#define pte_clear_fixmap() clear_fixmap(FIX_PTE)
-#define pmd_page(pmd) pfn_to_page(__phys_to_pfn(__pmd_to_phys(pmd)))
+#define pmd_page(pmd) phys_to_page(__pmd_to_phys(pmd))
/* use ONLY for statically allocated translation tables */
#define pte_offset_kimg(dir,addr) ((pte_t *)__phys_to_kimg(pte_offset_phys((dir), (addr))))
@@ -566,7 +570,7 @@ static inline phys_addr_t pud_page_paddr(pud_t pud)
#define pmd_set_fixmap_offset(pud, addr) pmd_set_fixmap(pmd_offset_phys(pud, addr))
#define pmd_clear_fixmap() clear_fixmap(FIX_PMD)
-#define pud_page(pud) pfn_to_page(__phys_to_pfn(__pud_to_phys(pud)))
+#define pud_page(pud) phys_to_page(__pud_to_phys(pud))
/* use ONLY for statically allocated translation tables */
#define pmd_offset_kimg(dir,addr) ((pmd_t *)__phys_to_kimg(pmd_offset_phys((dir), (addr))))
@@ -624,7 +628,7 @@ static inline phys_addr_t pgd_page_paddr(pgd_t pgd)
#define pud_set_fixmap_offset(pgd, addr) pud_set_fixmap(pud_offset_phys(pgd, addr))
#define pud_clear_fixmap() clear_fixmap(FIX_PUD)
-#define pgd_page(pgd) pfn_to_page(__phys_to_pfn(__pgd_to_phys(pgd)))
+#define pgd_page(pgd) phys_to_page(__pgd_to_phys(pgd))
/* use ONLY for statically allocated translation tables */
#define pud_offset_kimg(dir,addr) ((pud_t *)__phys_to_kimg(pud_offset_phys((dir), (addr))))
@@ -660,7 +664,7 @@ static inline phys_addr_t pgd_page_paddr(pgd_t pgd)
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY |
- PTE_PROT_NONE | PTE_VALID | PTE_WRITE;
+ PTE_PROT_NONE | PTE_VALID | PTE_WRITE | PTE_GP;
/* preserve the hardware dirty information */
if (pte_hw_dirty(pte))
pte = pte_mkdirty(pte);
diff --git a/arch/arm64/include/asm/pointer_auth.h b/arch/arm64/include/asm/pointer_auth.h
index 70c47156e54b..c6b4f0603024 100644
--- a/arch/arm64/include/asm/pointer_auth.h
+++ b/arch/arm64/include/asm/pointer_auth.h
@@ -47,7 +47,7 @@ static inline void ptrauth_keys_init_user(struct ptrauth_keys_user *keys)
get_random_bytes(&keys->apga, sizeof(keys->apga));
}
-#define __ptrauth_key_install(k, v) \
+#define __ptrauth_key_install_nosync(k, v) \
do { \
struct ptrauth_key __pki_v = (v); \
write_sysreg_s(__pki_v.lo, SYS_ ## k ## KEYLO_EL1); \
@@ -62,8 +62,11 @@ static __always_inline void ptrauth_keys_init_kernel(struct ptrauth_keys_kernel
static __always_inline void ptrauth_keys_switch_kernel(struct ptrauth_keys_kernel *keys)
{
- if (system_supports_address_auth())
- __ptrauth_key_install(APIA, keys->apia);
+ if (!system_supports_address_auth())
+ return;
+
+ __ptrauth_key_install_nosync(APIA, keys->apia);
+ isb();
}
extern int ptrauth_prctl_reset_keys(struct task_struct *tsk, unsigned long arg);
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index bf57308fcd63..953b6a1ce549 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -35,6 +35,7 @@
#define GIC_PRIO_PSR_I_SET (1 << 4)
/* Additional SPSR bits not exposed in the UABI */
+#define PSR_MODE_THREAD_BIT (1 << 0)
#define PSR_IL_BIT (1 << 20)
/* AArch32-specific ptrace requests */
diff --git a/arch/arm64/include/asm/scs.h b/arch/arm64/include/asm/scs.h
new file mode 100644
index 000000000000..eaa2cd92e4c1
--- /dev/null
+++ b/arch/arm64/include/asm/scs.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_SCS_H
+#define _ASM_SCS_H
+
+#ifdef __ASSEMBLY__
+
+#include <asm/asm-offsets.h>
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+ scs_sp .req x18
+
+ .macro scs_load tsk, tmp
+ ldr scs_sp, [\tsk, #TSK_TI_SCS_SP]
+ .endm
+
+ .macro scs_save tsk, tmp
+ str scs_sp, [\tsk, #TSK_TI_SCS_SP]
+ .endm
+#else
+ .macro scs_load tsk, tmp
+ .endm
+
+ .macro scs_save tsk, tmp
+ .endm
+#endif /* CONFIG_SHADOW_CALL_STACK */
+
+#endif /* __ASSEMBLY __ */
+
+#endif /* _ASM_SCS_H */
diff --git a/arch/arm64/include/asm/smp.h b/arch/arm64/include/asm/smp.h
index 40d5ba029615..ea268d88b6f7 100644
--- a/arch/arm64/include/asm/smp.h
+++ b/arch/arm64/include/asm/smp.h
@@ -23,14 +23,6 @@
#define CPU_STUCK_REASON_52_BIT_VA (UL(1) << CPU_STUCK_REASON_SHIFT)
#define CPU_STUCK_REASON_NO_GRAN (UL(2) << CPU_STUCK_REASON_SHIFT)
-/* Possible options for __cpu_setup */
-/* Option to setup primary cpu */
-#define ARM64_CPU_BOOT_PRIMARY (1)
-/* Option to setup secondary cpus */
-#define ARM64_CPU_BOOT_SECONDARY (2)
-/* Option to setup cpus for different cpu run time services */
-#define ARM64_CPU_RUNTIME (3)
-
#ifndef __ASSEMBLY__
#include <asm/percpu.h>
@@ -96,9 +88,6 @@ asmlinkage void secondary_start_kernel(void);
struct secondary_data {
void *stack;
struct task_struct *task;
-#ifdef CONFIG_ARM64_PTR_AUTH
- struct ptrauth_keys_kernel ptrauth_key;
-#endif
long status;
};
diff --git a/arch/arm64/include/asm/stacktrace.h b/arch/arm64/include/asm/stacktrace.h
index 4d9b1f48dc39..5017b531a415 100644
--- a/arch/arm64/include/asm/stacktrace.h
+++ b/arch/arm64/include/asm/stacktrace.h
@@ -68,12 +68,10 @@ extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk);
DECLARE_PER_CPU(unsigned long *, irq_stack_ptr);
-static inline bool on_irq_stack(unsigned long sp,
+static inline bool on_stack(unsigned long sp, unsigned long low,
+ unsigned long high, enum stack_type type,
struct stack_info *info)
{
- unsigned long low = (unsigned long)raw_cpu_read(irq_stack_ptr);
- unsigned long high = low + IRQ_STACK_SIZE;
-
if (!low)
return false;
@@ -83,12 +81,20 @@ static inline bool on_irq_stack(unsigned long sp,
if (info) {
info->low = low;
info->high = high;
- info->type = STACK_TYPE_IRQ;
+ info->type = type;
}
-
return true;
}
+static inline bool on_irq_stack(unsigned long sp,
+ struct stack_info *info)
+{
+ unsigned long low = (unsigned long)raw_cpu_read(irq_stack_ptr);
+ unsigned long high = low + IRQ_STACK_SIZE;
+
+ return on_stack(sp, low, high, STACK_TYPE_IRQ, info);
+}
+
static inline bool on_task_stack(const struct task_struct *tsk,
unsigned long sp,
struct stack_info *info)
@@ -96,16 +102,7 @@ static inline bool on_task_stack(const struct task_struct *tsk,
unsigned long low = (unsigned long)task_stack_page(tsk);
unsigned long high = low + THREAD_SIZE;
- if (sp < low || sp >= high)
- return false;
-
- if (info) {
- info->low = low;
- info->high = high;
- info->type = STACK_TYPE_TASK;
- }
-
- return true;
+ return on_stack(sp, low, high, STACK_TYPE_TASK, info);
}
#ifdef CONFIG_VMAP_STACK
@@ -117,16 +114,7 @@ static inline bool on_overflow_stack(unsigned long sp,
unsigned long low = (unsigned long)raw_cpu_ptr(overflow_stack);
unsigned long high = low + OVERFLOW_STACK_SIZE;
- if (sp < low || sp >= high)
- return false;
-
- if (info) {
- info->low = low;
- info->high = high;
- info->type = STACK_TYPE_OVERFLOW;
- }
-
- return true;
+ return on_stack(sp, low, high, STACK_TYPE_OVERFLOW, info);
}
#else
static inline bool on_overflow_stack(unsigned long sp,
diff --git a/arch/arm64/include/asm/suspend.h b/arch/arm64/include/asm/suspend.h
index 8939c87c4dce..0cde2f473971 100644
--- a/arch/arm64/include/asm/suspend.h
+++ b/arch/arm64/include/asm/suspend.h
@@ -2,7 +2,7 @@
#ifndef __ASM_SUSPEND_H
#define __ASM_SUSPEND_H
-#define NR_CTX_REGS 12
+#define NR_CTX_REGS 13
#define NR_CALLEE_SAVED_REGS 12
/*
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index c4ac0ac25a00..463175f80341 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -105,6 +105,10 @@
#define SYS_DC_CSW sys_insn(1, 0, 7, 10, 2)
#define SYS_DC_CISW sys_insn(1, 0, 7, 14, 2)
+/*
+ * System registers, organised loosely by encoding but grouped together
+ * where the architected name contains an index. e.g. ID_MMFR<n>_EL1.
+ */
#define SYS_OSDTRRX_EL1 sys_reg(2, 0, 0, 0, 2)
#define SYS_MDCCINT_EL1 sys_reg(2, 0, 0, 2, 0)
#define SYS_MDSCR_EL1 sys_reg(2, 0, 0, 2, 2)
@@ -134,12 +138,16 @@
#define SYS_ID_PFR0_EL1 sys_reg(3, 0, 0, 1, 0)
#define SYS_ID_PFR1_EL1 sys_reg(3, 0, 0, 1, 1)
+#define SYS_ID_PFR2_EL1 sys_reg(3, 0, 0, 3, 4)
#define SYS_ID_DFR0_EL1 sys_reg(3, 0, 0, 1, 2)
+#define SYS_ID_DFR1_EL1 sys_reg(3, 0, 0, 3, 5)
#define SYS_ID_AFR0_EL1 sys_reg(3, 0, 0, 1, 3)
#define SYS_ID_MMFR0_EL1 sys_reg(3, 0, 0, 1, 4)
#define SYS_ID_MMFR1_EL1 sys_reg(3, 0, 0, 1, 5)
#define SYS_ID_MMFR2_EL1 sys_reg(3, 0, 0, 1, 6)
#define SYS_ID_MMFR3_EL1 sys_reg(3, 0, 0, 1, 7)
+#define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
+#define SYS_ID_MMFR5_EL1 sys_reg(3, 0, 0, 3, 6)
#define SYS_ID_ISAR0_EL1 sys_reg(3, 0, 0, 2, 0)
#define SYS_ID_ISAR1_EL1 sys_reg(3, 0, 0, 2, 1)
@@ -147,7 +155,6 @@
#define SYS_ID_ISAR3_EL1 sys_reg(3, 0, 0, 2, 3)
#define SYS_ID_ISAR4_EL1 sys_reg(3, 0, 0, 2, 4)
#define SYS_ID_ISAR5_EL1 sys_reg(3, 0, 0, 2, 5)
-#define SYS_ID_MMFR4_EL1 sys_reg(3, 0, 0, 2, 6)
#define SYS_ID_ISAR6_EL1 sys_reg(3, 0, 0, 2, 7)
#define SYS_MVFR0_EL1 sys_reg(3, 0, 0, 3, 0)
@@ -552,6 +559,8 @@
#endif
/* SCTLR_EL1 specific flags. */
+#define SCTLR_EL1_BT1 (BIT(36))
+#define SCTLR_EL1_BT0 (BIT(35))
#define SCTLR_EL1_UCI (BIT(26))
#define SCTLR_EL1_E0E (BIT(24))
#define SCTLR_EL1_SPAN (BIT(23))
@@ -594,6 +603,7 @@
/* id_aa64isar0 */
#define ID_AA64ISAR0_RNDR_SHIFT 60
+#define ID_AA64ISAR0_TLB_SHIFT 56
#define ID_AA64ISAR0_TS_SHIFT 52
#define ID_AA64ISAR0_FHM_SHIFT 48
#define ID_AA64ISAR0_DP_SHIFT 44
@@ -637,6 +647,8 @@
#define ID_AA64PFR0_CSV2_SHIFT 56
#define ID_AA64PFR0_DIT_SHIFT 48
#define ID_AA64PFR0_AMU_SHIFT 44
+#define ID_AA64PFR0_MPAM_SHIFT 40
+#define ID_AA64PFR0_SEL2_SHIFT 36
#define ID_AA64PFR0_SVE_SHIFT 32
#define ID_AA64PFR0_RAS_SHIFT 28
#define ID_AA64PFR0_GIC_SHIFT 24
@@ -655,15 +667,21 @@
#define ID_AA64PFR0_ASIMD_NI 0xf
#define ID_AA64PFR0_ASIMD_SUPPORTED 0x0
#define ID_AA64PFR0_EL1_64BIT_ONLY 0x1
+#define ID_AA64PFR0_EL1_32BIT_64BIT 0x2
#define ID_AA64PFR0_EL0_64BIT_ONLY 0x1
#define ID_AA64PFR0_EL0_32BIT_64BIT 0x2
/* id_aa64pfr1 */
+#define ID_AA64PFR1_MPAMFRAC_SHIFT 16
+#define ID_AA64PFR1_RASFRAC_SHIFT 12
+#define ID_AA64PFR1_MTE_SHIFT 8
#define ID_AA64PFR1_SSBS_SHIFT 4
+#define ID_AA64PFR1_BT_SHIFT 0
#define ID_AA64PFR1_SSBS_PSTATE_NI 0
#define ID_AA64PFR1_SSBS_PSTATE_ONLY 1
#define ID_AA64PFR1_SSBS_PSTATE_INSNS 2
+#define ID_AA64PFR1_BT_BTI 0x1
/* id_aa64zfr0 */
#define ID_AA64ZFR0_F64MM_SHIFT 56
@@ -688,6 +706,9 @@
#define ID_AA64ZFR0_SVEVER_SVE2 0x1
/* id_aa64mmfr0 */
+#define ID_AA64MMFR0_TGRAN4_2_SHIFT 40
+#define ID_AA64MMFR0_TGRAN64_2_SHIFT 36
+#define ID_AA64MMFR0_TGRAN16_2_SHIFT 32
#define ID_AA64MMFR0_TGRAN4_SHIFT 28
#define ID_AA64MMFR0_TGRAN64_SHIFT 24
#define ID_AA64MMFR0_TGRAN16_SHIFT 20
@@ -752,6 +773,25 @@
#define ID_DFR0_PERFMON_8_1 0x4
+#define ID_ISAR4_SWP_FRAC_SHIFT 28
+#define ID_ISAR4_PSR_M_SHIFT 24
+#define ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT 20
+#define ID_ISAR4_BARRIER_SHIFT 16
+#define ID_ISAR4_SMC_SHIFT 12
+#define ID_ISAR4_WRITEBACK_SHIFT 8
+#define ID_ISAR4_WITHSHIFTS_SHIFT 4
+#define ID_ISAR4_UNPRIV_SHIFT 0
+
+#define ID_DFR1_MTPMU_SHIFT 0
+
+#define ID_ISAR0_DIVIDE_SHIFT 24
+#define ID_ISAR0_DEBUG_SHIFT 20
+#define ID_ISAR0_COPROC_SHIFT 16
+#define ID_ISAR0_CMPBRANCH_SHIFT 12
+#define ID_ISAR0_BITFIELD_SHIFT 8
+#define ID_ISAR0_BITCOUNT_SHIFT 4
+#define ID_ISAR0_SWAP_SHIFT 0
+
#define ID_ISAR5_RDM_SHIFT 24
#define ID_ISAR5_CRC32_SHIFT 16
#define ID_ISAR5_SHA2_SHIFT 12
@@ -767,6 +807,22 @@
#define ID_ISAR6_DP_SHIFT 4
#define ID_ISAR6_JSCVT_SHIFT 0
+#define ID_MMFR4_EVT_SHIFT 28
+#define ID_MMFR4_CCIDX_SHIFT 24
+#define ID_MMFR4_LSM_SHIFT 20
+#define ID_MMFR4_HPDS_SHIFT 16
+#define ID_MMFR4_CNP_SHIFT 12
+#define ID_MMFR4_XNX_SHIFT 8
+#define ID_MMFR4_SPECSEI_SHIFT 0
+
+#define ID_MMFR5_ETS_SHIFT 0
+
+#define ID_PFR0_DIT_SHIFT 24
+#define ID_PFR0_CSV2_SHIFT 16
+
+#define ID_PFR2_SSBS_SHIFT 4
+#define ID_PFR2_CSV3_SHIFT 0
+
#define MVFR0_FPROUND_SHIFT 28
#define MVFR0_FPSHVEC_SHIFT 24
#define MVFR0_FPSQRT_SHIFT 20
@@ -785,17 +841,14 @@
#define MVFR1_FPDNAN_SHIFT 4
#define MVFR1_FPFTZ_SHIFT 0
-
-#define ID_AA64MMFR0_TGRAN4_SHIFT 28
-#define ID_AA64MMFR0_TGRAN64_SHIFT 24
-#define ID_AA64MMFR0_TGRAN16_SHIFT 20
-
-#define ID_AA64MMFR0_TGRAN4_NI 0xf
-#define ID_AA64MMFR0_TGRAN4_SUPPORTED 0x0
-#define ID_AA64MMFR0_TGRAN64_NI 0xf
-#define ID_AA64MMFR0_TGRAN64_SUPPORTED 0x0
-#define ID_AA64MMFR0_TGRAN16_NI 0x0
-#define ID_AA64MMFR0_TGRAN16_SUPPORTED 0x1
+#define ID_PFR1_GIC_SHIFT 28
+#define ID_PFR1_VIRT_FRAC_SHIFT 24
+#define ID_PFR1_SEC_FRAC_SHIFT 20
+#define ID_PFR1_GENTIMER_SHIFT 16
+#define ID_PFR1_VIRTUALIZATION_SHIFT 12
+#define ID_PFR1_MPROGMOD_SHIFT 8
+#define ID_PFR1_SECURITY_SHIFT 4
+#define ID_PFR1_PROGMOD_SHIFT 0
#if defined(CONFIG_ARM64_4K_PAGES)
#define ID_AA64MMFR0_TGRAN_SHIFT ID_AA64MMFR0_TGRAN4_SHIFT
diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h
index 512174a8e789..6ea8b6a26ae9 100644
--- a/arch/arm64/include/asm/thread_info.h
+++ b/arch/arm64/include/asm/thread_info.h
@@ -41,6 +41,10 @@ struct thread_info {
#endif
} preempt;
};
+#ifdef CONFIG_SHADOW_CALL_STACK
+ void *scs_base;
+ void *scs_sp;
+#endif
};
#define thread_saved_pc(tsk) \
@@ -100,11 +104,20 @@ void arch_release_task_struct(struct task_struct *tsk);
_TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \
_TIF_SYSCALL_EMU)
+#ifdef CONFIG_SHADOW_CALL_STACK
+#define INIT_SCS \
+ .scs_base = init_shadow_call_stack, \
+ .scs_sp = init_shadow_call_stack,
+#else
+#define INIT_SCS
+#endif
+
#define INIT_THREAD_INFO(tsk) \
{ \
.flags = _TIF_FOREIGN_FPSTATE, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
+ INIT_SCS \
}
#endif /* __ASM_THREAD_INFO_H */
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 32fc8061aa76..bc5c7b091152 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -304,7 +304,7 @@ do { \
__p = uaccess_mask_ptr(__p); \
__raw_get_user((x), __p, (err)); \
} else { \
- (x) = 0; (err) = -EFAULT; \
+ (x) = (__force __typeof__(x))0; (err) = -EFAULT; \
} \
} while (0)
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index 803039d504de..3b859596840d 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -38,7 +38,7 @@
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5)
#define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800)
-#define __NR_compat_syscalls 439
+#define __NR_compat_syscalls 440
#endif
#define __ARCH_WANT_SYS_CLONE
diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h
index c1c61635f89c..6d95d0c8bf2f 100644
--- a/arch/arm64/include/asm/unistd32.h
+++ b/arch/arm64/include/asm/unistd32.h
@@ -883,6 +883,8 @@ __SYSCALL(__NR_clone3, sys_clone3)
__SYSCALL(__NR_openat2, sys_openat2)
#define __NR_pidfd_getfd 438
__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
+#define __NR_faccessat2 439
+__SYSCALL(__NR_faccessat2, sys_faccessat2)
/*
* Please add new compat syscalls above this comment and update
diff --git a/arch/arm64/include/asm/vermagic.h b/arch/arm64/include/asm/vermagic.h
new file mode 100644
index 000000000000..a1eec6a000f1
--- /dev/null
+++ b/arch/arm64/include/asm/vermagic.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 ARM Ltd.
+ */
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#define MODULE_ARCH_VERMAGIC "aarch64"
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h
index 61fd26752adc..5051b388c654 100644
--- a/arch/arm64/include/asm/virt.h
+++ b/arch/arm64/include/asm/virt.h
@@ -85,7 +85,7 @@ static inline bool is_kernel_in_hyp_mode(void)
static __always_inline bool has_vhe(void)
{
- if (cpus_have_const_cap(ARM64_HAS_VIRT_HOST_EXTN))
+ if (cpus_have_final_cap(ARM64_HAS_VIRT_HOST_EXTN))
return true;
return false;
diff --git a/arch/arm64/include/asm/vmap_stack.h b/arch/arm64/include/asm/vmap_stack.h
index 0a12115d9638..0cc6636e3f15 100644
--- a/arch/arm64/include/asm/vmap_stack.h
+++ b/arch/arm64/include/asm/vmap_stack.h
@@ -19,10 +19,8 @@ static inline unsigned long *arch_alloc_vmap_stack(size_t stack_size, int node)
{
BUILD_BUG_ON(!IS_ENABLED(CONFIG_VMAP_STACK));
- return __vmalloc_node_range(stack_size, THREAD_ALIGN,
- VMALLOC_START, VMALLOC_END,
- THREADINFO_GFP, PAGE_KERNEL, 0, node,
- __builtin_return_address(0));
+ return __vmalloc_node(stack_size, THREAD_ALIGN, THREADINFO_GFP, node,
+ __builtin_return_address(0));
}
#endif /* __ASM_VMAP_STACK_H */
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h
index 7752d93bb50f..2d6ba1c2592e 100644
--- a/arch/arm64/include/uapi/asm/hwcap.h
+++ b/arch/arm64/include/uapi/asm/hwcap.h
@@ -73,5 +73,6 @@
#define HWCAP2_BF16 (1 << 14)
#define HWCAP2_DGH (1 << 15)
#define HWCAP2_RNG (1 << 16)
+#define HWCAP2_BTI (1 << 17)
#endif /* _UAPI__ASM_HWCAP_H */
diff --git a/arch/arm64/include/uapi/asm/mman.h b/arch/arm64/include/uapi/asm/mman.h
new file mode 100644
index 000000000000..6fdd71eb644f
--- /dev/null
+++ b/arch/arm64/include/uapi/asm/mman.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _UAPI__ASM_MMAN_H
+#define _UAPI__ASM_MMAN_H
+
+#include <asm-generic/mman.h>
+
+#define PROT_BTI 0x10 /* BTI guarded page */
+
+#endif /* ! _UAPI__ASM_MMAN_H */
diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
index d1bb5b69f1ce..42cbe34d95ce 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -46,6 +46,7 @@
#define PSR_I_BIT 0x00000080
#define PSR_A_BIT 0x00000100
#define PSR_D_BIT 0x00000200
+#define PSR_BTYPE_MASK 0x00000c00
#define PSR_SSBS_BIT 0x00001000
#define PSR_PAN_BIT 0x00400000
#define PSR_UAO_BIT 0x00800000
@@ -55,6 +56,8 @@
#define PSR_Z_BIT 0x40000000
#define PSR_N_BIT 0x80000000
+#define PSR_BTYPE_SHIFT 10
+
/*
* Groups of PSR bits
*/
@@ -63,6 +66,12 @@
#define PSR_x 0x0000ff00 /* Extension */
#define PSR_c 0x000000ff /* Control */
+/* Convenience names for the values of PSTATE.BTYPE */
+#define PSR_BTYPE_NONE (0b00 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_JC (0b01 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_C (0b10 << PSR_BTYPE_SHIFT)
+#define PSR_BTYPE_J (0b11 << PSR_BTYPE_SHIFT)
+
/* syscall emulation path in ptrace */
#define PTRACE_SYSEMU 31
#define PTRACE_SYSEMU_SINGLESTEP 32
diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile
index 4e5b8ee31442..151f28521f1e 100644
--- a/arch/arm64/kernel/Makefile
+++ b/arch/arm64/kernel/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_CRASH_CORE) += crash_core.o
obj-$(CONFIG_ARM_SDE_INTERFACE) += sdei.o
obj-$(CONFIG_ARM64_SSBD) += ssbd.o
obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o
+obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
obj-y += vdso/ probes/
obj-$(CONFIG_COMPAT_VDSO) += vdso32/
diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index a100483b47c4..46ec402e97ed 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
+#include <linux/irq_work.h>
#include <linux/memblock.h>
#include <linux/of_fdt.h>
#include <linux/smp.h>
@@ -269,6 +270,7 @@ pgprot_t __acpi_get_mem_attribute(phys_addr_t addr)
int apei_claim_sea(struct pt_regs *regs)
{
int err = -ENOENT;
+ bool return_to_irqs_enabled;
unsigned long current_flags;
if (!IS_ENABLED(CONFIG_ACPI_APEI_GHES))
@@ -276,6 +278,12 @@ int apei_claim_sea(struct pt_regs *regs)
current_flags = local_daif_save_flags();
+ /* current_flags isn't useful here as daif doesn't tell us about pNMI */
+ return_to_irqs_enabled = !irqs_disabled_flags(arch_local_save_flags());
+
+ if (regs)
+ return_to_irqs_enabled = interrupts_enabled(regs);
+
/*
* SEA can interrupt SError, mask it and describe this as an NMI so
* that APEI defers the handling.
@@ -284,6 +292,23 @@ int apei_claim_sea(struct pt_regs *regs)
nmi_enter();
err = ghes_notify_sea();
nmi_exit();
+
+ /*
+ * APEI NMI-like notifications are deferred to irq_work. Unless
+ * we interrupted irqs-masked code, we can do that now.
+ */
+ if (!err) {
+ if (return_to_irqs_enabled) {
+ local_daif_restore(DAIF_PROCCTX_NOIRQ);
+ __irq_enter();
+ irq_work_run();
+ __irq_exit();
+ } else {
+ pr_warn_ratelimited("APEI work queued but not completed");
+ err = -EINPROGRESS;
+ }
+ }
+
local_daif_restore(current_flags);
return err;
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index c19aa81ddc8c..7364de008bab 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -203,7 +203,7 @@ static void __init register_insn_emulation(struct insn_emulation_ops *ops)
}
static int emulation_proc_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int ret = 0;
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 9981a0a5a87f..0577e2142284 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -34,6 +34,10 @@ int main(void)
#ifdef CONFIG_ARM64_SW_TTBR0_PAN
DEFINE(TSK_TI_TTBR0, offsetof(struct task_struct, thread_info.ttbr0));
#endif
+#ifdef CONFIG_SHADOW_CALL_STACK
+ DEFINE(TSK_TI_SCS_BASE, offsetof(struct task_struct, thread_info.scs_base));
+ DEFINE(TSK_TI_SCS_SP, offsetof(struct task_struct, thread_info.scs_sp));
+#endif
DEFINE(TSK_STACK, offsetof(struct task_struct, stack));
#ifdef CONFIG_STACKPROTECTOR
DEFINE(TSK_STACK_CANARY, offsetof(struct task_struct, stack_canary));
@@ -92,11 +96,8 @@ int main(void)
BLANK();
DEFINE(CPU_BOOT_STACK, offsetof(struct secondary_data, stack));
DEFINE(CPU_BOOT_TASK, offsetof(struct secondary_data, task));
-#ifdef CONFIG_ARM64_PTR_AUTH
- DEFINE(CPU_BOOT_PTRAUTH_KEY, offsetof(struct secondary_data, ptrauth_key));
-#endif
BLANK();
-#ifdef CONFIG_KVM_ARM_HOST
+#ifdef CONFIG_KVM
DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt));
DEFINE(VCPU_FAULT_DISR, offsetof(struct kvm_vcpu, arch.fault.disr_el1));
DEFINE(VCPU_WORKAROUND_FLAGS, offsetof(struct kvm_vcpu, arch.workaround_flags));
diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S
index 38087b4c0432..4a18055b2ff9 100644
--- a/arch/arm64/kernel/cpu-reset.S
+++ b/arch/arm64/kernel/cpu-reset.S
@@ -29,7 +29,7 @@
* branch to what would be the reset vector. It must be executed with the
* flat identity mapping.
*/
-ENTRY(__cpu_soft_restart)
+SYM_CODE_START(__cpu_soft_restart)
/* Clear sctlr_el1 flags. */
mrs x12, sctlr_el1
mov_q x13, SCTLR_ELx_FLAGS
@@ -47,6 +47,6 @@ ENTRY(__cpu_soft_restart)
mov x1, x3 // arg1
mov x2, x4 // arg2
br x8
-ENDPROC(__cpu_soft_restart)
+SYM_CODE_END(__cpu_soft_restart)
.popsection
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index df56d2295d16..ad06d6802d2e 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -234,7 +234,7 @@ static int detect_harden_bp_fw(void)
smccc_end = NULL;
break;
-#if IS_ENABLED(CONFIG_KVM_ARM_HOST)
+#if IS_ENABLED(CONFIG_KVM)
case SMCCC_CONDUIT_SMC:
cb = call_smc_arch_workaround_1;
smccc_start = __smccc_workaround_1_smc;
@@ -635,7 +635,7 @@ has_neoverse_n1_erratum_1542419(const struct arm64_cpu_capabilities *entry,
return is_midr_in_range(midr, &range) && has_dic;
}
-#if defined(CONFIG_HARDEN_EL2_VECTORS) || defined(CONFIG_ARM64_ERRATUM_1319367)
+#if defined(CONFIG_HARDEN_EL2_VECTORS)
static const struct midr_range ca57_a72[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
@@ -757,12 +757,16 @@ static const struct arm64_cpu_capabilities erratum_843419_list[] = {
};
#endif
-#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT_VHE
-static const struct midr_range erratum_speculative_at_vhe_list[] = {
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
+static const struct midr_range erratum_speculative_at_list[] = {
#ifdef CONFIG_ARM64_ERRATUM_1165522
/* Cortex A76 r0p0 to r2p0 */
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 2, 0),
#endif
+#ifdef CONFIG_ARM64_ERRATUM_1319367
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
+ MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
+#endif
#ifdef CONFIG_ARM64_ERRATUM_1530923
/* Cortex A55 r0p0 to r2p0 */
MIDR_RANGE(MIDR_CORTEX_A55, 0, 0, 2, 0),
@@ -774,7 +778,7 @@ static const struct midr_range erratum_speculative_at_vhe_list[] = {
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
- .desc = "ARM errata 826319, 827319, 824069, 819472",
+ .desc = "ARM errata 826319, 827319, 824069, or 819472",
.capability = ARM64_WORKAROUND_CLEAN_CACHE,
ERRATA_MIDR_RANGE_LIST(workaround_clean_cache),
.cpu_enable = cpu_enable_cache_maint_trap,
@@ -856,7 +860,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
#endif
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
{
- .desc = "Qualcomm erratum 1009, ARM erratum 1286807",
+ .desc = "Qualcomm erratum 1009, or ARM erratum 1286807",
.capability = ARM64_WORKAROUND_REPEAT_TLBI,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
@@ -897,11 +901,11 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
ERRATA_MIDR_RANGE_LIST(erratum_1418040_list),
},
#endif
-#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT_VHE
+#ifdef CONFIG_ARM64_WORKAROUND_SPECULATIVE_AT
{
- .desc = "ARM errata 1165522, 1530923",
- .capability = ARM64_WORKAROUND_SPECULATIVE_AT_VHE,
- ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_vhe_list),
+ .desc = "ARM errata 1165522, 1319367, or 1530923",
+ .capability = ARM64_WORKAROUND_SPECULATIVE_AT,
+ ERRATA_MIDR_RANGE_LIST(erratum_speculative_at_list),
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1463225
@@ -935,13 +939,6 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
.cpu_enable = cpu_enable_trap_ctr_access,
},
#endif
-#ifdef CONFIG_ARM64_ERRATUM_1319367
- {
- .desc = "ARM erratum 1319367",
- .capability = ARM64_WORKAROUND_SPECULATIVE_AT_NVHE,
- ERRATA_MIDR_RANGE_LIST(ca57_a72),
- },
-#endif
{
}
};
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 9fac745aa7bb..4ae41670c2e6 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -3,6 +3,61 @@
* Contains CPU feature definitions
*
* Copyright (C) 2015 ARM Ltd.
+ *
+ * A note for the weary kernel hacker: the code here is confusing and hard to
+ * follow! That's partly because it's solving a nasty problem, but also because
+ * there's a little bit of over-abstraction that tends to obscure what's going
+ * on behind a maze of helper functions and macros.
+ *
+ * The basic problem is that hardware folks have started gluing together CPUs
+ * with distinct architectural features; in some cases even creating SoCs where
+ * user-visible instructions are available only on a subset of the available
+ * cores. We try to address this by snapshotting the feature registers of the
+ * boot CPU and comparing these with the feature registers of each secondary
+ * CPU when bringing them up. If there is a mismatch, then we update the
+ * snapshot state to indicate the lowest-common denominator of the feature,
+ * known as the "safe" value. This snapshot state can be queried to view the
+ * "sanitised" value of a feature register.
+ *
+ * The sanitised register values are used to decide which capabilities we
+ * have in the system. These may be in the form of traditional "hwcaps"
+ * advertised to userspace or internal "cpucaps" which are used to configure
+ * things like alternative patching and static keys. While a feature mismatch
+ * may result in a TAINT_CPU_OUT_OF_SPEC kernel taint, a capability mismatch
+ * may prevent a CPU from being onlined at all.
+ *
+ * Some implementation details worth remembering:
+ *
+ * - Mismatched features are *always* sanitised to a "safe" value, which
+ * usually indicates that the feature is not supported.
+ *
+ * - A mismatched feature marked with FTR_STRICT will cause a "SANITY CHECK"
+ * warning when onlining an offending CPU and the kernel will be tainted
+ * with TAINT_CPU_OUT_OF_SPEC.
+ *
+ * - Features marked as FTR_VISIBLE have their sanitised value visible to
+ * userspace. FTR_VISIBLE features in registers that are only visible
+ * to EL0 by trapping *must* have a corresponding HWCAP so that late
+ * onlining of CPUs cannot lead to features disappearing at runtime.
+ *
+ * - A "feature" is typically a 4-bit register field. A "capability" is the
+ * high-level description derived from the sanitised field value.
+ *
+ * - Read the Arm ARM (DDI 0487F.a) section D13.1.3 ("Principles of the ID
+ * scheme for fields in ID registers") to understand when feature fields
+ * may be signed or unsigned (FTR_SIGNED and FTR_UNSIGNED accordingly).
+ *
+ * - KVM exposes its own view of the feature registers to guest operating
+ * systems regardless of FTR_VISIBLE. This is typically driven from the
+ * sanitised register values to allow virtual CPUs to be migrated between
+ * arbitrary physical CPUs, but some features not present on the host are
+ * also advertised and emulated. Look at sys_reg_descs[] for the gory
+ * details.
+ *
+ * - If the arm64_ftr_bits[] for a register has a missing field, then this
+ * field is treated as STRICT RES0, including for read_sanitised_ftr_reg().
+ * This is stronger than FTR_HIDDEN and can be used to hide features from
+ * KVM guests.
*/
#define pr_fmt(fmt) "CPU features: " fmt
@@ -124,6 +179,7 @@ static bool __system_matches_cap(unsigned int n);
*/
static const struct arm64_ftr_bits ftr_id_aa64isar0[] = {
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_RNDR_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_TLB_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_TS_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_FHM_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64ISAR0_DP_SHIFT, 4, 0),
@@ -166,22 +222,27 @@ static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_CSV2_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_DIT_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_AMU_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_MPAM_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_SEL2_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_SVE),
FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_SVE_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_RAS_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_GIC_SHIFT, 4, 0),
S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_ASIMD_SHIFT, 4, ID_AA64PFR0_ASIMD_NI),
S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_FP_SHIFT, 4, ID_AA64PFR0_FP_NI),
- /* Linux doesn't care about the EL3 */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL3_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY),
ARM64_FTR_END,
};
static const struct arm64_ftr_bits ftr_id_aa64pfr1[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR1_MPAMFRAC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR1_RASFRAC_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR1_SSBS_SHIFT, 4, ID_AA64PFR1_SSBS_PSTATE_NI),
+ ARM64_FTR_BITS(FTR_VISIBLE_IF_IS_ENABLED(CONFIG_ARM64_BTI),
+ FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR1_BT_SHIFT, 4, 0),
ARM64_FTR_END,
};
@@ -209,6 +270,24 @@ static const struct arm64_ftr_bits ftr_id_aa64zfr0[] = {
static const struct arm64_ftr_bits ftr_id_aa64mmfr0[] = {
/*
+ * Page size not being supported at Stage-2 is not fatal. You
+ * just give up KVM if PAGE_SIZE isn't supported there. Go fix
+ * your favourite nesting hypervisor.
+ *
+ * There is a small corner case where the hypervisor explicitly
+ * advertises a given granule size at Stage-2 (value 2) on some
+ * vCPUs, and uses the fallback to Stage-1 (value 0) for other
+ * vCPUs. Although this is not forbidden by the architecture, it
+ * indicates that the hypervisor is being silly (or buggy).
+ *
+ * We make no effort to cope with this and pretend that if these
+ * fields are inconsistent across vCPUs, then it isn't worth
+ * trying to bring KVM up.
+ */
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64MMFR0_TGRAN4_2_SHIFT, 4, 1),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64MMFR0_TGRAN64_2_SHIFT, 4, 1),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64MMFR0_TGRAN16_2_SHIFT, 4, 1),
+ /*
* We already refuse to boot CPUs that don't support our configured
* page size, so we can only detect mismatches for a page size other
* than the one we're currently using. Unfortunately, SoCs like this
@@ -247,7 +326,7 @@ static const struct arm64_ftr_bits ftr_id_aa64mmfr2[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_FWB_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_AT_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_LVA_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_IESB_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_IESB_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_LSM_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_UAO_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64MMFR2_CNP_SHIFT, 4, 0),
@@ -289,7 +368,7 @@ static const struct arm64_ftr_bits ftr_id_mmfr0[] = {
};
static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, 36, 28, 0),
+ S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 36, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64DFR0_PMSVER_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_WRPS_SHIFT, 4, 0),
@@ -316,6 +395,16 @@ static const struct arm64_ftr_bits ftr_dczid[] = {
ARM64_FTR_END,
};
+static const struct arm64_ftr_bits ftr_id_isar0[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_DIVIDE_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_DEBUG_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_COPROC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_CMPBRANCH_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_BITFIELD_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_BITCOUNT_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR0_SWAP_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
static const struct arm64_ftr_bits ftr_id_isar5[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR5_RDM_SHIFT, 4, 0),
@@ -328,7 +417,37 @@ static const struct arm64_ftr_bits ftr_id_isar5[] = {
};
static const struct arm64_ftr_bits ftr_id_mmfr4[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_EVT_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_CCIDX_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_LSM_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_HPDS_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_CNP_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR4_XNX_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 4, 4, 0), /* ac2 */
+ /*
+ * SpecSEI = 1 indicates that the PE might generate an SError on an
+ * external abort on speculative read. It is safe to assume that an
+ * SError might be generated than it will not be. Hence it has been
+ * classified as FTR_HIGHER_SAFE.
+ */
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_HIGHER_SAFE, ID_MMFR4_SPECSEI_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
+static const struct arm64_ftr_bits ftr_id_isar4[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_SWP_FRAC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_PSR_M_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_SYNCH_PRIM_FRAC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_BARRIER_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_SMC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_WRITEBACK_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_WITHSHIFTS_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_ISAR4_UNPRIV_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
+static const struct arm64_ftr_bits ftr_id_mmfr5[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_MMFR5_ETS_SHIFT, 4, 0),
ARM64_FTR_END,
};
@@ -344,6 +463,8 @@ static const struct arm64_ftr_bits ftr_id_isar6[] = {
};
static const struct arm64_ftr_bits ftr_id_pfr0[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR0_DIT_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_PFR0_CSV2_SHIFT, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 12, 4, 0), /* State3 */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 8, 4, 0), /* State2 */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 4, 4, 0), /* State1 */
@@ -351,8 +472,26 @@ static const struct arm64_ftr_bits ftr_id_pfr0[] = {
ARM64_FTR_END,
};
+static const struct arm64_ftr_bits ftr_id_pfr1[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_GIC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_VIRT_FRAC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_SEC_FRAC_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_GENTIMER_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_VIRTUALIZATION_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_MPROGMOD_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_SECURITY_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR1_PROGMOD_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
+static const struct arm64_ftr_bits ftr_id_pfr2[] = {
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_PFR2_SSBS_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_PFR2_CSV3_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
static const struct arm64_ftr_bits ftr_id_dfr0[] = {
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0),
+ /* [31:28] TraceFilt */
S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 24, 4, 0xf), /* PerfMon */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 0),
@@ -363,6 +502,11 @@ static const struct arm64_ftr_bits ftr_id_dfr0[] = {
ARM64_FTR_END,
};
+static const struct arm64_ftr_bits ftr_id_dfr1[] = {
+ S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_DFR1_MTPMU_SHIFT, 4, 0),
+ ARM64_FTR_END,
+};
+
static const struct arm64_ftr_bits ftr_zcr[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE,
ZCR_ELx_LEN_SHIFT, ZCR_ELx_LEN_SIZE, 0), /* LEN */
@@ -373,7 +517,7 @@ static const struct arm64_ftr_bits ftr_zcr[] = {
* Common ftr bits for a 32bit register with all hidden, strict
* attributes, with 4bit feature fields and a default safe value of
* 0. Covers the following 32bit registers:
- * id_isar[0-4], id_mmfr[1-3], id_pfr1, mvfr[0-1]
+ * id_isar[1-4], id_mmfr[1-3], id_pfr1, mvfr[0-1]
*/
static const struct arm64_ftr_bits ftr_generic_32bits[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0),
@@ -411,7 +555,7 @@ static const struct __ftr_reg_entry {
/* Op1 = 0, CRn = 0, CRm = 1 */
ARM64_FTR_REG(SYS_ID_PFR0_EL1, ftr_id_pfr0),
- ARM64_FTR_REG(SYS_ID_PFR1_EL1, ftr_generic_32bits),
+ ARM64_FTR_REG(SYS_ID_PFR1_EL1, ftr_id_pfr1),
ARM64_FTR_REG(SYS_ID_DFR0_EL1, ftr_id_dfr0),
ARM64_FTR_REG(SYS_ID_MMFR0_EL1, ftr_id_mmfr0),
ARM64_FTR_REG(SYS_ID_MMFR1_EL1, ftr_generic_32bits),
@@ -419,11 +563,11 @@ static const struct __ftr_reg_entry {
ARM64_FTR_REG(SYS_ID_MMFR3_EL1, ftr_generic_32bits),
/* Op1 = 0, CRn = 0, CRm = 2 */
- ARM64_FTR_REG(SYS_ID_ISAR0_EL1, ftr_generic_32bits),
+ ARM64_FTR_REG(SYS_ID_ISAR0_EL1, ftr_id_isar0),
ARM64_FTR_REG(SYS_ID_ISAR1_EL1, ftr_generic_32bits),
ARM64_FTR_REG(SYS_ID_ISAR2_EL1, ftr_generic_32bits),
ARM64_FTR_REG(SYS_ID_ISAR3_EL1, ftr_generic_32bits),
- ARM64_FTR_REG(SYS_ID_ISAR4_EL1, ftr_generic_32bits),
+ ARM64_FTR_REG(SYS_ID_ISAR4_EL1, ftr_id_isar4),
ARM64_FTR_REG(SYS_ID_ISAR5_EL1, ftr_id_isar5),
ARM64_FTR_REG(SYS_ID_MMFR4_EL1, ftr_id_mmfr4),
ARM64_FTR_REG(SYS_ID_ISAR6_EL1, ftr_id_isar6),
@@ -432,6 +576,9 @@ static const struct __ftr_reg_entry {
ARM64_FTR_REG(SYS_MVFR0_EL1, ftr_generic_32bits),
ARM64_FTR_REG(SYS_MVFR1_EL1, ftr_generic_32bits),
ARM64_FTR_REG(SYS_MVFR2_EL1, ftr_mvfr2),
+ ARM64_FTR_REG(SYS_ID_PFR2_EL1, ftr_id_pfr2),
+ ARM64_FTR_REG(SYS_ID_DFR1_EL1, ftr_id_dfr1),
+ ARM64_FTR_REG(SYS_ID_MMFR5_EL1, ftr_id_mmfr5),
/* Op1 = 0, CRn = 0, CRm = 4 */
ARM64_FTR_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0),
@@ -468,16 +615,16 @@ static int search_cmp_ftr_reg(const void *id, const void *regp)
}
/*
- * get_arm64_ftr_reg - Lookup a feature register entry using its
- * sys_reg() encoding. With the array arm64_ftr_regs sorted in the
- * ascending order of sys_id , we use binary search to find a matching
+ * get_arm64_ftr_reg_nowarn - Looks up a feature register entry using
+ * its sys_reg() encoding. With the array arm64_ftr_regs sorted in the
+ * ascending order of sys_id, we use binary search to find a matching
* entry.
*
* returns - Upon success, matching ftr_reg entry for id.
* - NULL on failure. It is upto the caller to decide
* the impact of a failure.
*/
-static struct arm64_ftr_reg *get_arm64_ftr_reg(u32 sys_id)
+static struct arm64_ftr_reg *get_arm64_ftr_reg_nowarn(u32 sys_id)
{
const struct __ftr_reg_entry *ret;
@@ -491,6 +638,27 @@ static struct arm64_ftr_reg *get_arm64_ftr_reg(u32 sys_id)
return NULL;
}
+/*
+ * get_arm64_ftr_reg - Looks up a feature register entry using
+ * its sys_reg() encoding. This calls get_arm64_ftr_reg_nowarn().
+ *
+ * returns - Upon success, matching ftr_reg entry for id.
+ * - NULL on failure but with an WARN_ON().
+ */
+static struct arm64_ftr_reg *get_arm64_ftr_reg(u32 sys_id)
+{
+ struct arm64_ftr_reg *reg;
+
+ reg = get_arm64_ftr_reg_nowarn(sys_id);
+
+ /*
+ * Requesting a non-existent register search is an error. Warn
+ * and let the caller handle it.
+ */
+ WARN_ON(!reg);
+ return reg;
+}
+
static u64 arm64_ftr_set_value(const struct arm64_ftr_bits *ftrp, s64 reg,
s64 ftr_val)
{
@@ -552,7 +720,8 @@ static void __init init_cpu_ftr_reg(u32 sys_reg, u64 new)
const struct arm64_ftr_bits *ftrp;
struct arm64_ftr_reg *reg = get_arm64_ftr_reg(sys_reg);
- BUG_ON(!reg);
+ if (!reg)
+ return;
for (ftrp = reg->ftr_bits; ftrp->width; ftrp++) {
u64 ftr_mask = arm64_ftr_mask(ftrp);
@@ -625,6 +794,7 @@ void __init init_cpu_features(struct cpuinfo_arm64 *info)
if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
init_cpu_ftr_reg(SYS_ID_DFR0_EL1, info->reg_id_dfr0);
+ init_cpu_ftr_reg(SYS_ID_DFR1_EL1, info->reg_id_dfr1);
init_cpu_ftr_reg(SYS_ID_ISAR0_EL1, info->reg_id_isar0);
init_cpu_ftr_reg(SYS_ID_ISAR1_EL1, info->reg_id_isar1);
init_cpu_ftr_reg(SYS_ID_ISAR2_EL1, info->reg_id_isar2);
@@ -636,8 +806,11 @@ void __init init_cpu_features(struct cpuinfo_arm64 *info)
init_cpu_ftr_reg(SYS_ID_MMFR1_EL1, info->reg_id_mmfr1);
init_cpu_ftr_reg(SYS_ID_MMFR2_EL1, info->reg_id_mmfr2);
init_cpu_ftr_reg(SYS_ID_MMFR3_EL1, info->reg_id_mmfr3);
+ init_cpu_ftr_reg(SYS_ID_MMFR4_EL1, info->reg_id_mmfr4);
+ init_cpu_ftr_reg(SYS_ID_MMFR5_EL1, info->reg_id_mmfr5);
init_cpu_ftr_reg(SYS_ID_PFR0_EL1, info->reg_id_pfr0);
init_cpu_ftr_reg(SYS_ID_PFR1_EL1, info->reg_id_pfr1);
+ init_cpu_ftr_reg(SYS_ID_PFR2_EL1, info->reg_id_pfr2);
init_cpu_ftr_reg(SYS_MVFR0_EL1, info->reg_mvfr0);
init_cpu_ftr_reg(SYS_MVFR1_EL1, info->reg_mvfr1);
init_cpu_ftr_reg(SYS_MVFR2_EL1, info->reg_mvfr2);
@@ -682,7 +855,9 @@ static int check_update_ftr_reg(u32 sys_id, int cpu, u64 val, u64 boot)
{
struct arm64_ftr_reg *regp = get_arm64_ftr_reg(sys_id);
- BUG_ON(!regp);
+ if (!regp)
+ return 0;
+
update_cpu_ftr_reg(regp, val);
if ((boot & regp->strict_mask) == (val & regp->strict_mask))
return 0;
@@ -691,6 +866,104 @@ static int check_update_ftr_reg(u32 sys_id, int cpu, u64 val, u64 boot)
return 1;
}
+static void relax_cpu_ftr_reg(u32 sys_id, int field)
+{
+ const struct arm64_ftr_bits *ftrp;
+ struct arm64_ftr_reg *regp = get_arm64_ftr_reg(sys_id);
+
+ if (!regp)
+ return;
+
+ for (ftrp = regp->ftr_bits; ftrp->width; ftrp++) {
+ if (ftrp->shift == field) {
+ regp->strict_mask &= ~arm64_ftr_mask(ftrp);
+ break;
+ }
+ }
+
+ /* Bogus field? */
+ WARN_ON(!ftrp->width);
+}
+
+static int update_32bit_cpu_features(int cpu, struct cpuinfo_arm64 *info,
+ struct cpuinfo_arm64 *boot)
+{
+ int taint = 0;
+ u64 pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
+
+ /*
+ * If we don't have AArch32 at all then skip the checks entirely
+ * as the register values may be UNKNOWN and we're not going to be
+ * using them for anything.
+ */
+ if (!id_aa64pfr0_32bit_el0(pfr0))
+ return taint;
+
+ /*
+ * If we don't have AArch32 at EL1, then relax the strictness of
+ * EL1-dependent register fields to avoid spurious sanity check fails.
+ */
+ if (!id_aa64pfr0_32bit_el1(pfr0)) {
+ relax_cpu_ftr_reg(SYS_ID_ISAR4_EL1, ID_ISAR4_SMC_SHIFT);
+ relax_cpu_ftr_reg(SYS_ID_PFR1_EL1, ID_PFR1_VIRT_FRAC_SHIFT);
+ relax_cpu_ftr_reg(SYS_ID_PFR1_EL1, ID_PFR1_SEC_FRAC_SHIFT);
+ relax_cpu_ftr_reg(SYS_ID_PFR1_EL1, ID_PFR1_VIRTUALIZATION_SHIFT);
+ relax_cpu_ftr_reg(SYS_ID_PFR1_EL1, ID_PFR1_SECURITY_SHIFT);
+ relax_cpu_ftr_reg(SYS_ID_PFR1_EL1, ID_PFR1_PROGMOD_SHIFT);
+ }
+
+ taint |= check_update_ftr_reg(SYS_ID_DFR0_EL1, cpu,
+ info->reg_id_dfr0, boot->reg_id_dfr0);
+ taint |= check_update_ftr_reg(SYS_ID_DFR1_EL1, cpu,
+ info->reg_id_dfr1, boot->reg_id_dfr1);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR0_EL1, cpu,
+ info->reg_id_isar0, boot->reg_id_isar0);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR1_EL1, cpu,
+ info->reg_id_isar1, boot->reg_id_isar1);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR2_EL1, cpu,
+ info->reg_id_isar2, boot->reg_id_isar2);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR3_EL1, cpu,
+ info->reg_id_isar3, boot->reg_id_isar3);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR4_EL1, cpu,
+ info->reg_id_isar4, boot->reg_id_isar4);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR5_EL1, cpu,
+ info->reg_id_isar5, boot->reg_id_isar5);
+ taint |= check_update_ftr_reg(SYS_ID_ISAR6_EL1, cpu,
+ info->reg_id_isar6, boot->reg_id_isar6);
+
+ /*
+ * Regardless of the value of the AuxReg field, the AIFSR, ADFSR, and
+ * ACTLR formats could differ across CPUs and therefore would have to
+ * be trapped for virtualization anyway.
+ */
+ taint |= check_update_ftr_reg(SYS_ID_MMFR0_EL1, cpu,
+ info->reg_id_mmfr0, boot->reg_id_mmfr0);
+ taint |= check_update_ftr_reg(SYS_ID_MMFR1_EL1, cpu,
+ info->reg_id_mmfr1, boot->reg_id_mmfr1);
+ taint |= check_update_ftr_reg(SYS_ID_MMFR2_EL1, cpu,
+ info->reg_id_mmfr2, boot->reg_id_mmfr2);
+ taint |= check_update_ftr_reg(SYS_ID_MMFR3_EL1, cpu,
+ info->reg_id_mmfr3, boot->reg_id_mmfr3);
+ taint |= check_update_ftr_reg(SYS_ID_MMFR4_EL1, cpu,
+ info->reg_id_mmfr4, boot->reg_id_mmfr4);
+ taint |= check_update_ftr_reg(SYS_ID_MMFR5_EL1, cpu,
+ info->reg_id_mmfr5, boot->reg_id_mmfr5);
+ taint |= check_update_ftr_reg(SYS_ID_PFR0_EL1, cpu,
+ info->reg_id_pfr0, boot->reg_id_pfr0);
+ taint |= check_update_ftr_reg(SYS_ID_PFR1_EL1, cpu,
+ info->reg_id_pfr1, boot->reg_id_pfr1);
+ taint |= check_update_ftr_reg(SYS_ID_PFR2_EL1, cpu,
+ info->reg_id_pfr2, boot->reg_id_pfr2);
+ taint |= check_update_ftr_reg(SYS_MVFR0_EL1, cpu,
+ info->reg_mvfr0, boot->reg_mvfr0);
+ taint |= check_update_ftr_reg(SYS_MVFR1_EL1, cpu,
+ info->reg_mvfr1, boot->reg_mvfr1);
+ taint |= check_update_ftr_reg(SYS_MVFR2_EL1, cpu,
+ info->reg_mvfr2, boot->reg_mvfr2);
+
+ return taint;
+}
+
/*
* Update system wide CPU feature registers with the values from a
* non-boot CPU. Also performs SANITY checks to make sure that there
@@ -753,9 +1026,6 @@ void update_cpu_features(int cpu,
taint |= check_update_ftr_reg(SYS_ID_AA64MMFR2_EL1, cpu,
info->reg_id_aa64mmfr2, boot->reg_id_aa64mmfr2);
- /*
- * EL3 is not our concern.
- */
taint |= check_update_ftr_reg(SYS_ID_AA64PFR0_EL1, cpu,
info->reg_id_aa64pfr0, boot->reg_id_aa64pfr0);
taint |= check_update_ftr_reg(SYS_ID_AA64PFR1_EL1, cpu,
@@ -764,55 +1034,6 @@ void update_cpu_features(int cpu,
taint |= check_update_ftr_reg(SYS_ID_AA64ZFR0_EL1, cpu,
info->reg_id_aa64zfr0, boot->reg_id_aa64zfr0);
- /*
- * If we have AArch32, we care about 32-bit features for compat.
- * If the system doesn't support AArch32, don't update them.
- */
- if (id_aa64pfr0_32bit_el0(read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1)) &&
- id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
-
- taint |= check_update_ftr_reg(SYS_ID_DFR0_EL1, cpu,
- info->reg_id_dfr0, boot->reg_id_dfr0);
- taint |= check_update_ftr_reg(SYS_ID_ISAR0_EL1, cpu,
- info->reg_id_isar0, boot->reg_id_isar0);
- taint |= check_update_ftr_reg(SYS_ID_ISAR1_EL1, cpu,
- info->reg_id_isar1, boot->reg_id_isar1);
- taint |= check_update_ftr_reg(SYS_ID_ISAR2_EL1, cpu,
- info->reg_id_isar2, boot->reg_id_isar2);
- taint |= check_update_ftr_reg(SYS_ID_ISAR3_EL1, cpu,
- info->reg_id_isar3, boot->reg_id_isar3);
- taint |= check_update_ftr_reg(SYS_ID_ISAR4_EL1, cpu,
- info->reg_id_isar4, boot->reg_id_isar4);
- taint |= check_update_ftr_reg(SYS_ID_ISAR5_EL1, cpu,
- info->reg_id_isar5, boot->reg_id_isar5);
- taint |= check_update_ftr_reg(SYS_ID_ISAR6_EL1, cpu,
- info->reg_id_isar6, boot->reg_id_isar6);
-
- /*
- * Regardless of the value of the AuxReg field, the AIFSR, ADFSR, and
- * ACTLR formats could differ across CPUs and therefore would have to
- * be trapped for virtualization anyway.
- */
- taint |= check_update_ftr_reg(SYS_ID_MMFR0_EL1, cpu,
- info->reg_id_mmfr0, boot->reg_id_mmfr0);
- taint |= check_update_ftr_reg(SYS_ID_MMFR1_EL1, cpu,
- info->reg_id_mmfr1, boot->reg_id_mmfr1);
- taint |= check_update_ftr_reg(SYS_ID_MMFR2_EL1, cpu,
- info->reg_id_mmfr2, boot->reg_id_mmfr2);
- taint |= check_update_ftr_reg(SYS_ID_MMFR3_EL1, cpu,
- info->reg_id_mmfr3, boot->reg_id_mmfr3);
- taint |= check_update_ftr_reg(SYS_ID_PFR0_EL1, cpu,
- info->reg_id_pfr0, boot->reg_id_pfr0);
- taint |= check_update_ftr_reg(SYS_ID_PFR1_EL1, cpu,
- info->reg_id_pfr1, boot->reg_id_pfr1);
- taint |= check_update_ftr_reg(SYS_MVFR0_EL1, cpu,
- info->reg_mvfr0, boot->reg_mvfr0);
- taint |= check_update_ftr_reg(SYS_MVFR1_EL1, cpu,
- info->reg_mvfr1, boot->reg_mvfr1);
- taint |= check_update_ftr_reg(SYS_MVFR2_EL1, cpu,
- info->reg_mvfr2, boot->reg_mvfr2);
- }
-
if (id_aa64pfr0_sve(info->reg_id_aa64pfr0)) {
taint |= check_update_ftr_reg(SYS_ZCR_EL1, cpu,
info->reg_zcr, boot->reg_zcr);
@@ -824,6 +1045,12 @@ void update_cpu_features(int cpu,
}
/*
+ * This relies on a sanitised view of the AArch64 ID registers
+ * (e.g. SYS_ID_AA64PFR0_EL1), so we call it last.
+ */
+ taint |= update_32bit_cpu_features(cpu, info, boot);
+
+ /*
* Mismatched CPU features are a recipe for disaster. Don't even
* pretend to support them.
*/
@@ -837,8 +1064,8 @@ u64 read_sanitised_ftr_reg(u32 id)
{
struct arm64_ftr_reg *regp = get_arm64_ftr_reg(id);
- /* We shouldn't get a request for an unsupported register */
- BUG_ON(!regp);
+ if (!regp)
+ return 0;
return regp->sys_val;
}
@@ -854,11 +1081,15 @@ static u64 __read_sysreg_by_encoding(u32 sys_id)
switch (sys_id) {
read_sysreg_case(SYS_ID_PFR0_EL1);
read_sysreg_case(SYS_ID_PFR1_EL1);
+ read_sysreg_case(SYS_ID_PFR2_EL1);
read_sysreg_case(SYS_ID_DFR0_EL1);
+ read_sysreg_case(SYS_ID_DFR1_EL1);
read_sysreg_case(SYS_ID_MMFR0_EL1);
read_sysreg_case(SYS_ID_MMFR1_EL1);
read_sysreg_case(SYS_ID_MMFR2_EL1);
read_sysreg_case(SYS_ID_MMFR3_EL1);
+ read_sysreg_case(SYS_ID_MMFR4_EL1);
+ read_sysreg_case(SYS_ID_MMFR5_EL1);
read_sysreg_case(SYS_ID_ISAR0_EL1);
read_sysreg_case(SYS_ID_ISAR1_EL1);
read_sysreg_case(SYS_ID_ISAR2_EL1);
@@ -1409,6 +1640,21 @@ static bool can_use_gic_priorities(const struct arm64_cpu_capabilities *entry,
}
#endif
+#ifdef CONFIG_ARM64_BTI
+static void bti_enable(const struct arm64_cpu_capabilities *__unused)
+{
+ /*
+ * Use of X16/X17 for tail-calls and trampolines that jump to
+ * function entry points using BR is a requirement for
+ * marking binaries with GNU_PROPERTY_AARCH64_FEATURE_1_BTI.
+ * So, be strict and forbid other BRs using other registers to
+ * jump onto a PACIxSP instruction:
+ */
+ sysreg_clear_set(sctlr_el1, 0, SCTLR_EL1_BT0 | SCTLR_EL1_BT1);
+ isb();
+}
+#endif /* CONFIG_ARM64_BTI */
+
/* Internal helper functions to match cpu capability type */
static bool
cpucap_late_cpu_optional(const struct arm64_cpu_capabilities *cap)
@@ -1511,6 +1757,18 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.field_pos = ID_AA64PFR0_EL0_SHIFT,
.min_field_value = ID_AA64PFR0_EL0_32BIT_64BIT,
},
+#ifdef CONFIG_KVM
+ {
+ .desc = "32-bit EL1 Support",
+ .capability = ARM64_HAS_32BIT_EL1,
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+ .matches = has_cpuid_feature,
+ .sys_reg = SYS_ID_AA64PFR0_EL1,
+ .sign = FTR_UNSIGNED,
+ .field_pos = ID_AA64PFR0_EL1_SHIFT,
+ .min_field_value = ID_AA64PFR0_EL1_32BIT_64BIT,
+ },
+#endif
{
.desc = "Kernel page table isolation (KPTI)",
.capability = ARM64_UNMAP_KERNEL_AT_EL0,
@@ -1779,6 +2037,23 @@ static const struct arm64_cpu_capabilities arm64_features[] = {
.min_field_value = 1,
},
#endif
+#ifdef CONFIG_ARM64_BTI
+ {
+ .desc = "Branch Target Identification",
+ .capability = ARM64_BTI,
+#ifdef CONFIG_ARM64_BTI_KERNEL
+ .type = ARM64_CPUCAP_STRICT_BOOT_CPU_FEATURE,
+#else
+ .type = ARM64_CPUCAP_SYSTEM_FEATURE,
+#endif
+ .matches = has_cpuid_feature,
+ .cpu_enable = bti_enable,
+ .sys_reg = SYS_ID_AA64PFR1_EL1,
+ .field_pos = ID_AA64PFR1_BT_SHIFT,
+ .min_field_value = ID_AA64PFR1_BT_BTI,
+ .sign = FTR_UNSIGNED,
+ },
+#endif
{},
};
@@ -1888,6 +2163,9 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
HWCAP_CAP(SYS_ID_AA64ZFR0_EL1, ID_AA64ZFR0_F64MM_SHIFT, FTR_UNSIGNED, ID_AA64ZFR0_F64MM, CAP_HWCAP, KERNEL_HWCAP_SVEF64MM),
#endif
HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_SSBS_SHIFT, FTR_UNSIGNED, ID_AA64PFR1_SSBS_PSTATE_INSNS, CAP_HWCAP, KERNEL_HWCAP_SSBS),
+#ifdef CONFIG_ARM64_BTI
+ HWCAP_CAP(SYS_ID_AA64PFR1_EL1, ID_AA64PFR1_BT_SHIFT, FTR_UNSIGNED, ID_AA64PFR1_BT_BTI, CAP_HWCAP, KERNEL_HWCAP_BTI),
+#endif
#ifdef CONFIG_ARM64_PTR_AUTH
HWCAP_MULTI_CAP(ptr_auth_hwcap_addr_matches, CAP_HWCAP, KERNEL_HWCAP_PACA),
HWCAP_MULTI_CAP(ptr_auth_hwcap_gen_matches, CAP_HWCAP, KERNEL_HWCAP_PACG),
@@ -2181,6 +2459,36 @@ static void verify_sve_features(void)
/* Add checks on other ZCR bits here if necessary */
}
+static void verify_hyp_capabilities(void)
+{
+ u64 safe_mmfr1, mmfr0, mmfr1;
+ int parange, ipa_max;
+ unsigned int safe_vmid_bits, vmid_bits;
+
+ if (!IS_ENABLED(CONFIG_KVM) || !IS_ENABLED(CONFIG_KVM_ARM_HOST))
+ return;
+
+ safe_mmfr1 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR1_EL1);
+ mmfr0 = read_cpuid(ID_AA64MMFR0_EL1);
+ mmfr1 = read_cpuid(ID_AA64MMFR1_EL1);
+
+ /* Verify VMID bits */
+ safe_vmid_bits = get_vmid_bits(safe_mmfr1);
+ vmid_bits = get_vmid_bits(mmfr1);
+ if (vmid_bits < safe_vmid_bits) {
+ pr_crit("CPU%d: VMID width mismatch\n", smp_processor_id());
+ cpu_die_early();
+ }
+
+ /* Verify IPA range */
+ parange = cpuid_feature_extract_unsigned_field(mmfr0,
+ ID_AA64MMFR0_PARANGE_SHIFT);
+ ipa_max = id_aa64mmfr0_parange_to_phys_shift(parange);
+ if (ipa_max < get_kvm_ipa_limit()) {
+ pr_crit("CPU%d: IPA range mismatch\n", smp_processor_id());
+ cpu_die_early();
+ }
+}
/*
* Run through the enabled system capabilities and enable() it on this CPU.
@@ -2206,6 +2514,9 @@ static void verify_local_cpu_capabilities(void)
if (system_supports_sve())
verify_sve_features();
+
+ if (is_hyp_mode_available())
+ verify_hyp_capabilities();
}
void check_local_cpu_capabilities(void)
@@ -2394,7 +2705,7 @@ static int emulate_sys_reg(u32 id, u64 *valp)
if (sys_reg_CRm(id) == 0)
return emulate_id_reg(id, valp);
- regp = get_arm64_ftr_reg(id);
+ regp = get_arm64_ftr_reg_nowarn(id);
if (regp)
*valp = arm64_ftr_reg_user_value(regp);
else
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 86136075ae41..86637466daa8 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -92,6 +92,7 @@ static const char *const hwcap_str[] = {
"bf16",
"dgh",
"rng",
+ "bti",
NULL
};
@@ -311,6 +312,8 @@ static int __init cpuinfo_regs_init(void)
}
return 0;
}
+device_initcall(cpuinfo_regs_init);
+
static void cpuinfo_detect_icache_policy(struct cpuinfo_arm64 *info)
{
unsigned int cpu = smp_processor_id();
@@ -362,6 +365,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
/* Update the 32bit ID registers only if AArch32 is implemented */
if (id_aa64pfr0_32bit_el0(info->reg_id_aa64pfr0)) {
info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1);
+ info->reg_id_dfr1 = read_cpuid(ID_DFR1_EL1);
info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1);
info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1);
info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1);
@@ -373,8 +377,11 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)
info->reg_id_mmfr1 = read_cpuid(ID_MMFR1_EL1);
info->reg_id_mmfr2 = read_cpuid(ID_MMFR2_EL1);
info->reg_id_mmfr3 = read_cpuid(ID_MMFR3_EL1);
+ info->reg_id_mmfr4 = read_cpuid(ID_MMFR4_EL1);
+ info->reg_id_mmfr5 = read_cpuid(ID_MMFR5_EL1);
info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1);
info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1);
+ info->reg_id_pfr2 = read_cpuid(ID_PFR2_EL1);
info->reg_mvfr0 = read_cpuid(MVFR0_EL1);
info->reg_mvfr1 = read_cpuid(MVFR1_EL1);
@@ -403,5 +410,3 @@ void __init cpuinfo_store_boot_cpu(void)
boot_cpu_data = *info;
init_cpu_features(&boot_cpu_data);
}
-
-device_initcall(cpuinfo_regs_init);
diff --git a/arch/arm64/kernel/crash_core.c b/arch/arm64/kernel/crash_core.c
index ca4c3e12d8c5..1f646b07e3e9 100644
--- a/arch/arm64/kernel/crash_core.c
+++ b/arch/arm64/kernel/crash_core.c
@@ -5,6 +5,7 @@
*/
#include <linux/crash_core.h>
+#include <asm/cpufeature.h>
#include <asm/memory.h>
void arch_crash_save_vmcoreinfo(void)
@@ -16,4 +17,7 @@ void arch_crash_save_vmcoreinfo(void)
vmcoreinfo_append_str("NUMBER(PHYS_OFFSET)=0x%llx\n",
PHYS_OFFSET);
vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
+ vmcoreinfo_append_str("NUMBER(KERNELPACMASK)=0x%llx\n",
+ system_supports_address_auth() ?
+ ptrauth_kernel_pac_mask() : 0);
}
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 48222a4760c2..15e80c876d46 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -376,15 +376,13 @@ int aarch32_break_handler(struct pt_regs *regs)
}
NOKPROBE_SYMBOL(aarch32_break_handler);
-static int __init debug_traps_init(void)
+void __init debug_traps_init(void)
{
hook_debug_fault_code(DBG_ESR_EVT_HWSS, single_step_handler, SIGTRAP,
TRAP_TRACE, "single-step handler");
hook_debug_fault_code(DBG_ESR_EVT_BRK, brk_handler, SIGTRAP,
TRAP_BRKPT, "ptrace BRK handler");
- return 0;
}
-arch_initcall(debug_traps_init);
/* Re-enable single step for syscall restarting. */
void user_rewind_single_step(struct task_struct *task)
diff --git a/arch/arm64/kernel/efi-entry.S b/arch/arm64/kernel/efi-entry.S
index 1a03618df0df..0073b24b5d25 100644
--- a/arch/arm64/kernel/efi-entry.S
+++ b/arch/arm64/kernel/efi-entry.S
@@ -14,12 +14,12 @@
SYM_CODE_START(efi_enter_kernel)
/*
- * efi_entry() will have copied the kernel image if necessary and we
+ * efi_pe_entry() will have copied the kernel image if necessary and we
* end up here with device tree address in x1 and the kernel entry
* point stored in x0. Save those values in registers which are
* callee preserved.
*/
- ldr w2, =stext_offset
+ ldr w2, =primary_entry_offset
add x19, x0, x2 // relocated Image entrypoint
mov x20, x1 // DTB address
diff --git a/arch/arm64/kernel/efi-header.S b/arch/arm64/kernel/efi-header.S
index 914999ccaf8a..df67c0f2a077 100644
--- a/arch/arm64/kernel/efi-header.S
+++ b/arch/arm64/kernel/efi-header.S
@@ -27,12 +27,12 @@ optional_header:
.long __initdata_begin - efi_header_end // SizeOfCode
.long __pecoff_data_size // SizeOfInitializedData
.long 0 // SizeOfUninitializedData
- .long __efistub_efi_entry - _head // AddressOfEntryPoint
+ .long __efistub_efi_pe_entry - _head // AddressOfEntryPoint
.long efi_header_end - _head // BaseOfCode
extra_header_fields:
.quad 0 // ImageBase
- .long SZ_4K // SectionAlignment
+ .long SEGMENT_ALIGN // SectionAlignment
.long PECOFF_FILE_ALIGNMENT // FileAlignment
.short 0 // MajorOperatingSystemVersion
.short 0 // MinorOperatingSystemVersion
diff --git a/arch/arm64/kernel/efi-rt-wrapper.S b/arch/arm64/kernel/efi-rt-wrapper.S
index 3fc71106cb2b..75691a2641c1 100644
--- a/arch/arm64/kernel/efi-rt-wrapper.S
+++ b/arch/arm64/kernel/efi-rt-wrapper.S
@@ -5,7 +5,7 @@
#include <linux/linkage.h>
-ENTRY(__efi_rt_asm_wrapper)
+SYM_FUNC_START(__efi_rt_asm_wrapper)
stp x29, x30, [sp, #-32]!
mov x29, sp
@@ -34,5 +34,14 @@ ENTRY(__efi_rt_asm_wrapper)
ldp x29, x30, [sp], #32
b.ne 0f
ret
-0: b efi_handle_corrupted_x18 // tail call
-ENDPROC(__efi_rt_asm_wrapper)
+0:
+ /*
+ * With CONFIG_SHADOW_CALL_STACK, the kernel uses x18 to store a
+ * shadow stack pointer, which we need to restore before returning to
+ * potentially instrumented code. This is safe because the wrapper is
+ * called with preemption disabled and a separate shadow stack is used
+ * for interrupts.
+ */
+ mov x18, x2
+ b efi_handle_corrupted_x18 // tail call
+SYM_FUNC_END(__efi_rt_asm_wrapper)
diff --git a/arch/arm64/kernel/entry-common.c b/arch/arm64/kernel/entry-common.c
index c839b5bf1904..3dbdf9752b11 100644
--- a/arch/arm64/kernel/entry-common.c
+++ b/arch/arm64/kernel/entry-common.c
@@ -94,7 +94,7 @@ asmlinkage void notrace el1_sync_handler(struct pt_regs *regs)
break;
default:
el1_inv(regs, esr);
- };
+ }
}
NOKPROBE_SYMBOL(el1_sync_handler);
@@ -188,6 +188,14 @@ static void notrace el0_undef(struct pt_regs *regs)
}
NOKPROBE_SYMBOL(el0_undef);
+static void notrace el0_bti(struct pt_regs *regs)
+{
+ user_exit_irqoff();
+ local_daif_restore(DAIF_PROCCTX);
+ do_bti(regs);
+}
+NOKPROBE_SYMBOL(el0_bti);
+
static void notrace el0_inv(struct pt_regs *regs, unsigned long esr)
{
user_exit_irqoff();
@@ -255,6 +263,9 @@ asmlinkage void notrace el0_sync_handler(struct pt_regs *regs)
case ESR_ELx_EC_UNKNOWN:
el0_undef(regs);
break;
+ case ESR_ELx_EC_BTI:
+ el0_bti(regs);
+ break;
case ESR_ELx_EC_BREAKPT_LOW:
case ESR_ELx_EC_SOFTSTP_LOW:
case ESR_ELx_EC_WATCHPT_LOW:
diff --git a/arch/arm64/kernel/entry-fpsimd.S b/arch/arm64/kernel/entry-fpsimd.S
index 0f24eae8f3cc..f880dd63ddc3 100644
--- a/arch/arm64/kernel/entry-fpsimd.S
+++ b/arch/arm64/kernel/entry-fpsimd.S
@@ -16,34 +16,34 @@
*
* x0 - pointer to struct fpsimd_state
*/
-ENTRY(fpsimd_save_state)
+SYM_FUNC_START(fpsimd_save_state)
fpsimd_save x0, 8
ret
-ENDPROC(fpsimd_save_state)
+SYM_FUNC_END(fpsimd_save_state)
/*
* Load the FP registers.
*
* x0 - pointer to struct fpsimd_state
*/
-ENTRY(fpsimd_load_state)
+SYM_FUNC_START(fpsimd_load_state)
fpsimd_restore x0, 8
ret
-ENDPROC(fpsimd_load_state)
+SYM_FUNC_END(fpsimd_load_state)
#ifdef CONFIG_ARM64_SVE
-ENTRY(sve_save_state)
+SYM_FUNC_START(sve_save_state)
sve_save 0, x1, 2
ret
-ENDPROC(sve_save_state)
+SYM_FUNC_END(sve_save_state)
-ENTRY(sve_load_state)
+SYM_FUNC_START(sve_load_state)
sve_load 0, x1, x2, 3, x4
ret
-ENDPROC(sve_load_state)
+SYM_FUNC_END(sve_load_state)
-ENTRY(sve_get_vl)
+SYM_FUNC_START(sve_get_vl)
_sve_rdvl 0, 1
ret
-ENDPROC(sve_get_vl)
+SYM_FUNC_END(sve_get_vl)
#endif /* CONFIG_ARM64_SVE */
diff --git a/arch/arm64/kernel/entry-ftrace.S b/arch/arm64/kernel/entry-ftrace.S
index 833d48c9acb5..a338f40e64d3 100644
--- a/arch/arm64/kernel/entry-ftrace.S
+++ b/arch/arm64/kernel/entry-ftrace.S
@@ -23,8 +23,9 @@
*
* ... where <entry> is either ftrace_caller or ftrace_regs_caller.
*
- * Each instrumented function follows the AAPCS, so here x0-x8 and x19-x30 are
- * live, and x9-x18 are safe to clobber.
+ * Each instrumented function follows the AAPCS, so here x0-x8 and x18-x30 are
+ * live (x18 holds the Shadow Call Stack pointer), and x9-x17 are safe to
+ * clobber.
*
* We save the callsite's context into a pt_regs before invoking any ftrace
* callbacks. So that we can get a sensible backtrace, we create a stack record
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index ddcde093c433..5304d193c79d 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -23,6 +23,7 @@
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
+#include <asm/scs.h>
#include <asm/thread_info.h>
#include <asm/asm-uaccess.h>
#include <asm/unistd.h>
@@ -178,7 +179,9 @@ alternative_cb_end
apply_ssbd 1, x22, x23
- ptrauth_keys_install_kernel tsk, 1, x20, x22, x23
+ ptrauth_keys_install_kernel tsk, x20, x22, x23
+
+ scs_load tsk, x20
.else
add x21, sp, #S_FRAME_SIZE
get_current_task tsk
@@ -343,6 +346,8 @@ alternative_else_nop_endif
msr cntkctl_el1, x1
4:
#endif
+ scs_save tsk, x0
+
/* No kernel C function calls after this as user keys are set. */
ptrauth_keys_install_user tsk, x0, x1, x2
@@ -388,6 +393,9 @@ alternative_insn eret, nop, ARM64_UNMAP_KERNEL_AT_EL0
.macro irq_stack_entry
mov x19, sp // preserve the original sp
+#ifdef CONFIG_SHADOW_CALL_STACK
+ mov x24, scs_sp // preserve the original shadow stack
+#endif
/*
* Compare sp with the base of the task stack.
@@ -405,15 +413,25 @@ alternative_insn eret, nop, ARM64_UNMAP_KERNEL_AT_EL0
/* switch to the irq stack */
mov sp, x26
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+ /* also switch to the irq shadow stack */
+ adr_this_cpu scs_sp, irq_shadow_call_stack, x26
+#endif
+
9998:
.endm
/*
- * x19 should be preserved between irq_stack_entry and
- * irq_stack_exit.
+ * The callee-saved regs (x19-x29) should be preserved between
+ * irq_stack_entry and irq_stack_exit, but note that kernel_entry
+ * uses x20-x23 to store data for later use.
*/
.macro irq_stack_exit
mov sp, x19
+#ifdef CONFIG_SHADOW_CALL_STACK
+ mov scs_sp, x24
+#endif
.endm
/* GPRs used by entry code */
@@ -728,20 +746,9 @@ el0_error_naked:
SYM_CODE_END(el0_error)
/*
- * Ok, we need to do extra processing, enter the slow path.
- */
-work_pending:
- mov x0, sp // 'regs'
- bl do_notify_resume
-#ifdef CONFIG_TRACE_IRQFLAGS
- bl trace_hardirqs_on // enabled while in userspace
-#endif
- ldr x1, [tsk, #TSK_TI_FLAGS] // re-check for single-step
- b finish_ret_to_user
-/*
* "slow" syscall return path.
*/
-ret_to_user:
+SYM_CODE_START_LOCAL(ret_to_user)
disable_daif
gic_prio_kentry_setup tmp=x3
ldr x1, [tsk, #TSK_TI_FLAGS]
@@ -753,7 +760,19 @@ finish_ret_to_user:
bl stackleak_erase
#endif
kernel_exit 0
-ENDPROC(ret_to_user)
+
+/*
+ * Ok, we need to do extra processing, enter the slow path.
+ */
+work_pending:
+ mov x0, sp // 'regs'
+ bl do_notify_resume
+#ifdef CONFIG_TRACE_IRQFLAGS
+ bl trace_hardirqs_on // enabled while in userspace
+#endif
+ ldr x1, [tsk, #TSK_TI_FLAGS] // re-check for single-step
+ b finish_ret_to_user
+SYM_CODE_END(ret_to_user)
.popsection // .entry.text
@@ -900,7 +919,9 @@ SYM_FUNC_START(cpu_switch_to)
ldr lr, [x8]
mov sp, x9
msr sp_el0, x1
- ptrauth_keys_install_kernel x1, 1, x8, x9, x10
+ ptrauth_keys_install_kernel x1, x8, x9, x10
+ scs_save x0, x8
+ scs_load x1, x8
ret
SYM_FUNC_END(cpu_switch_to)
NOKPROBE(cpu_switch_to)
@@ -1029,13 +1050,16 @@ SYM_CODE_START(__sdei_asm_handler)
mov x19, x1
+#if defined(CONFIG_VMAP_STACK) || defined(CONFIG_SHADOW_CALL_STACK)
+ ldrb w4, [x19, #SDEI_EVENT_PRIORITY]
+#endif
+
#ifdef CONFIG_VMAP_STACK
/*
* entry.S may have been using sp as a scratch register, find whether
* this is a normal or critical event and switch to the appropriate
* stack for this CPU.
*/
- ldrb w4, [x19, #SDEI_EVENT_PRIORITY]
cbnz w4, 1f
ldr_this_cpu dst=x5, sym=sdei_stack_normal_ptr, tmp=x6
b 2f
@@ -1045,6 +1069,15 @@ SYM_CODE_START(__sdei_asm_handler)
mov sp, x5
#endif
+#ifdef CONFIG_SHADOW_CALL_STACK
+ /* Use a separate shadow call stack for normal and critical events */
+ cbnz w4, 3f
+ adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_normal, tmp=x6
+ b 4f
+3: adr_this_cpu dst=scs_sp, sym=sdei_shadow_call_stack_critical, tmp=x6
+4:
+#endif
+
/*
* We may have interrupted userspace, or a guest, or exit-from or
* return-to either of these. We can't trust sp_el0, restore it.
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 94289d126993..35cb5e66c504 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -341,8 +341,7 @@ static unsigned int find_supported_vector_length(unsigned int vl)
#ifdef CONFIG_SYSCTL
static int sve_proc_do_default_vl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
int vl = sve_default_vl;
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 57a91032b4c2..632702146813 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -13,6 +13,7 @@
#include <linux/init.h>
#include <linux/irqchip/arm-gic-v3.h>
+#include <asm/asm_pointer_auth.h>
#include <asm/assembler.h>
#include <asm/boot.h>
#include <asm/ptrace.h>
@@ -27,6 +28,7 @@
#include <asm/pgtable-hwdef.h>
#include <asm/pgtable.h>
#include <asm/page.h>
+#include <asm/scs.h>
#include <asm/smp.h>
#include <asm/sysreg.h>
#include <asm/thread_info.h>
@@ -70,9 +72,9 @@ _head:
* its opcode forms the magic "MZ" signature required by UEFI.
*/
add x13, x18, #0x16
- b stext
+ b primary_entry
#else
- b stext // branch to kernel start, magic
+ b primary_entry // branch to kernel start, magic
.long 0 // reserved
#endif
le64sym _kernel_offset_le // Image load offset from start of RAM, little-endian
@@ -98,14 +100,13 @@ pe_header:
* primary lowlevel boot path:
*
* Register Scope Purpose
- * x21 stext() .. start_kernel() FDT pointer passed at boot in x0
- * x23 stext() .. start_kernel() physical misalignment/KASLR offset
- * x28 __create_page_tables() callee preserved temp register
- * x19/x20 __primary_switch() callee preserved temp registers
- * x24 __primary_switch() .. relocate_kernel()
- * current RELR displacement
+ * x21 primary_entry() .. start_kernel() FDT pointer passed at boot in x0
+ * x23 primary_entry() .. start_kernel() physical misalignment/KASLR offset
+ * x28 __create_page_tables() callee preserved temp register
+ * x19/x20 __primary_switch() callee preserved temp registers
+ * x24 __primary_switch() .. relocate_kernel() current RELR displacement
*/
-SYM_CODE_START(stext)
+SYM_CODE_START(primary_entry)
bl preserve_boot_args
bl el2_setup // Drop to EL1, w0=cpu_boot_mode
adrp x23, __PHYS_OFFSET
@@ -118,10 +119,9 @@ SYM_CODE_START(stext)
* On return, the CPU will be ready for the MMU to be turned on and
* the TCR will have been set.
*/
- mov x0, #ARM64_CPU_BOOT_PRIMARY
bl __cpu_setup // initialise processor
b __primary_switch
-SYM_CODE_END(stext)
+SYM_CODE_END(primary_entry)
/*
* Preserve the arguments passed by the bootloader in x0 .. x3
@@ -394,13 +394,19 @@ SYM_FUNC_START_LOCAL(__create_page_tables)
/*
* Since the page tables have been populated with non-cacheable
- * accesses (MMU disabled), invalidate the idmap and swapper page
- * tables again to remove any speculatively loaded cache lines.
+ * accesses (MMU disabled), invalidate those tables again to
+ * remove any speculatively loaded cache lines.
*/
+ dmb sy
+
adrp x0, idmap_pg_dir
+ adrp x1, idmap_pg_end
+ sub x1, x1, x0
+ bl __inval_dcache_area
+
+ adrp x0, init_pg_dir
adrp x1, init_pg_end
sub x1, x1, x0
- dmb sy
bl __inval_dcache_area
ret x28
@@ -417,6 +423,10 @@ SYM_FUNC_START_LOCAL(__primary_switched)
adr_l x5, init_task
msr sp_el0, x5 // Save thread_info
+#ifdef CONFIG_ARM64_PTR_AUTH
+ __ptrauth_keys_init_cpu x5, x6, x7, x8
+#endif
+
adr_l x8, vectors // load VBAR_EL1 with virtual
msr vbar_el1, x8 // vector table address
isb
@@ -424,6 +434,10 @@ SYM_FUNC_START_LOCAL(__primary_switched)
stp xzr, x30, [sp, #-16]!
mov x29, sp
+#ifdef CONFIG_SHADOW_CALL_STACK
+ adr_l scs_sp, init_shadow_call_stack // Set shadow call stack
+#endif
+
str_l x21, __fdt_pointer, x5 // Save FDT pointer
ldr_l x4, kimage_vaddr // Save the offset between
@@ -717,7 +731,6 @@ SYM_FUNC_START_LOCAL(secondary_startup)
* Common entry point for secondary CPUs.
*/
bl __cpu_secondary_check52bitva
- mov x0, #ARM64_CPU_BOOT_SECONDARY
bl __cpu_setup // initialise processor
adrp x1, swapper_pg_dir
bl __enable_mmu
@@ -737,8 +750,14 @@ SYM_FUNC_START_LOCAL(__secondary_switched)
ldr x2, [x0, #CPU_BOOT_TASK]
cbz x2, __secondary_too_slow
msr sp_el0, x2
+ scs_load x2, x3
mov x29, #0
mov x30, #0
+
+#ifdef CONFIG_ARM64_PTR_AUTH
+ ptrauth_keys_init_cpu x2, x3, x4, x5
+#endif
+
b secondary_start_kernel
SYM_FUNC_END(__secondary_switched)
diff --git a/arch/arm64/kernel/hibernate-asm.S b/arch/arm64/kernel/hibernate-asm.S
index 6532105b3e32..8ccca660034e 100644
--- a/arch/arm64/kernel/hibernate-asm.S
+++ b/arch/arm64/kernel/hibernate-asm.S
@@ -65,7 +65,7 @@
* x5: physical address of a zero page that remains zero after resume
*/
.pushsection ".hibernate_exit.text", "ax"
-ENTRY(swsusp_arch_suspend_exit)
+SYM_CODE_START(swsusp_arch_suspend_exit)
/*
* We execute from ttbr0, change ttbr1 to our copied linear map tables
* with a break-before-make via the zero page
@@ -110,7 +110,7 @@ ENTRY(swsusp_arch_suspend_exit)
cbz x24, 3f /* Do we need to re-initialise EL2? */
hvc #0
3: ret
-ENDPROC(swsusp_arch_suspend_exit)
+SYM_CODE_END(swsusp_arch_suspend_exit)
/*
* Restore the hyp stub.
@@ -119,15 +119,15 @@ ENDPROC(swsusp_arch_suspend_exit)
*
* x24: The physical address of __hyp_stub_vectors
*/
-el1_sync:
+SYM_CODE_START_LOCAL(el1_sync)
msr vbar_el2, x24
eret
-ENDPROC(el1_sync)
+SYM_CODE_END(el1_sync)
.macro invalid_vector label
-\label:
+SYM_CODE_START_LOCAL(\label)
b \label
-ENDPROC(\label)
+SYM_CODE_END(\label)
.endm
invalid_vector el2_sync_invalid
@@ -141,7 +141,7 @@ ENDPROC(\label)
/* el2 vectors - switch el2 here while we restore the memory image. */
.align 11
-ENTRY(hibernate_el2_vectors)
+SYM_CODE_START(hibernate_el2_vectors)
ventry el2_sync_invalid // Synchronous EL2t
ventry el2_irq_invalid // IRQ EL2t
ventry el2_fiq_invalid // FIQ EL2t
@@ -161,6 +161,6 @@ ENTRY(hibernate_el2_vectors)
ventry el1_irq_invalid // IRQ 32-bit EL1
ventry el1_fiq_invalid // FIQ 32-bit EL1
ventry el1_error_invalid // Error 32-bit EL1
-END(hibernate_el2_vectors)
+SYM_CODE_END(hibernate_el2_vectors)
.popsection
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S
index e473ead806ed..160f5881a0b7 100644
--- a/arch/arm64/kernel/hyp-stub.S
+++ b/arch/arm64/kernel/hyp-stub.S
@@ -21,7 +21,7 @@
.align 11
-ENTRY(__hyp_stub_vectors)
+SYM_CODE_START(__hyp_stub_vectors)
ventry el2_sync_invalid // Synchronous EL2t
ventry el2_irq_invalid // IRQ EL2t
ventry el2_fiq_invalid // FIQ EL2t
@@ -41,11 +41,11 @@ ENTRY(__hyp_stub_vectors)
ventry el1_irq_invalid // IRQ 32-bit EL1
ventry el1_fiq_invalid // FIQ 32-bit EL1
ventry el1_error_invalid // Error 32-bit EL1
-ENDPROC(__hyp_stub_vectors)
+SYM_CODE_END(__hyp_stub_vectors)
.align 11
-el1_sync:
+SYM_CODE_START_LOCAL(el1_sync)
cmp x0, #HVC_SET_VECTORS
b.ne 2f
msr vbar_el2, x1
@@ -68,12 +68,12 @@ el1_sync:
9: mov x0, xzr
eret
-ENDPROC(el1_sync)
+SYM_CODE_END(el1_sync)
.macro invalid_vector label
-\label:
+SYM_CODE_START_LOCAL(\label)
b \label
-ENDPROC(\label)
+SYM_CODE_END(\label)
.endm
invalid_vector el2_sync_invalid
@@ -106,15 +106,15 @@ ENDPROC(\label)
* initialisation entry point.
*/
-ENTRY(__hyp_set_vectors)
+SYM_FUNC_START(__hyp_set_vectors)
mov x1, x0
mov x0, #HVC_SET_VECTORS
hvc #0
ret
-ENDPROC(__hyp_set_vectors)
+SYM_FUNC_END(__hyp_set_vectors)
-ENTRY(__hyp_reset_vectors)
+SYM_FUNC_START(__hyp_reset_vectors)
mov x0, #HVC_RESET_VECTORS
hvc #0
ret
-ENDPROC(__hyp_reset_vectors)
+SYM_FUNC_END(__hyp_reset_vectors)
diff --git a/arch/arm64/kernel/image-vars.h b/arch/arm64/kernel/image-vars.h
index 7f06ad93fc95..be0a63ffed23 100644
--- a/arch/arm64/kernel/image-vars.h
+++ b/arch/arm64/kernel/image-vars.h
@@ -13,7 +13,7 @@
#ifdef CONFIG_EFI
__efistub_kernel_size = _edata - _text;
-__efistub_stext_offset = stext - _text;
+__efistub_primary_entry_offset = primary_entry - _text;
/*
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index 4a9e773a177f..684d871ae38d 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -51,21 +51,33 @@ enum aarch64_insn_encoding_class __kprobes aarch64_get_insn_class(u32 insn)
return aarch64_insn_encoding_class[(insn >> 25) & 0xf];
}
-/* NOP is an alias of HINT */
-bool __kprobes aarch64_insn_is_nop(u32 insn)
+bool __kprobes aarch64_insn_is_steppable_hint(u32 insn)
{
if (!aarch64_insn_is_hint(insn))
return false;
switch (insn & 0xFE0) {
- case AARCH64_INSN_HINT_YIELD:
- case AARCH64_INSN_HINT_WFE:
- case AARCH64_INSN_HINT_WFI:
- case AARCH64_INSN_HINT_SEV:
- case AARCH64_INSN_HINT_SEVL:
- return false;
- default:
+ case AARCH64_INSN_HINT_XPACLRI:
+ case AARCH64_INSN_HINT_PACIA_1716:
+ case AARCH64_INSN_HINT_PACIB_1716:
+ case AARCH64_INSN_HINT_AUTIA_1716:
+ case AARCH64_INSN_HINT_AUTIB_1716:
+ case AARCH64_INSN_HINT_PACIAZ:
+ case AARCH64_INSN_HINT_PACIASP:
+ case AARCH64_INSN_HINT_PACIBZ:
+ case AARCH64_INSN_HINT_PACIBSP:
+ case AARCH64_INSN_HINT_AUTIAZ:
+ case AARCH64_INSN_HINT_AUTIASP:
+ case AARCH64_INSN_HINT_AUTIBZ:
+ case AARCH64_INSN_HINT_AUTIBSP:
+ case AARCH64_INSN_HINT_BTI:
+ case AARCH64_INSN_HINT_BTIC:
+ case AARCH64_INSN_HINT_BTIJ:
+ case AARCH64_INSN_HINT_BTIJC:
+ case AARCH64_INSN_HINT_NOP:
return true;
+ default:
+ return false;
}
}
@@ -574,7 +586,7 @@ u32 aarch64_insn_gen_cond_branch_imm(unsigned long pc, unsigned long addr,
offset >> 2);
}
-u32 __kprobes aarch64_insn_gen_hint(enum aarch64_insn_hint_op op)
+u32 __kprobes aarch64_insn_gen_hint(enum aarch64_insn_hint_cr_op op)
{
return aarch64_insn_get_hint_value() | op;
}
@@ -1535,16 +1547,10 @@ static u32 aarch64_encode_immediate(u64 imm,
u32 insn)
{
unsigned int immr, imms, n, ones, ror, esz, tmp;
- u64 mask = ~0UL;
-
- /* Can't encode full zeroes or full ones */
- if (!imm || !~imm)
- return AARCH64_BREAK_FAULT;
+ u64 mask;
switch (variant) {
case AARCH64_INSN_VARIANT_32BIT:
- if (upper_32_bits(imm))
- return AARCH64_BREAK_FAULT;
esz = 32;
break;
case AARCH64_INSN_VARIANT_64BIT:
@@ -1556,6 +1562,12 @@ static u32 aarch64_encode_immediate(u64 imm,
return AARCH64_BREAK_FAULT;
}
+ mask = GENMASK(esz - 1, 0);
+
+ /* Can't encode full zeroes, full ones, or value wider than the mask */
+ if (!imm || imm == mask || imm & ~mask)
+ return AARCH64_BREAK_FAULT;
+
/*
* Inverse of Replicate(). Try to spot a repeating pattern
* with a pow2 stride.
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 8e9c924423b4..a0b144cfaea7 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -177,6 +177,7 @@ void machine_kexec(struct kimage *kimage)
* the offline CPUs. Therefore, we must use the __* variant here.
*/
__flush_icache_range((uintptr_t)reboot_code_buffer,
+ (uintptr_t)reboot_code_buffer +
arm64_relocate_new_kernel_size);
/* Flush the kimage list and its buffers. */
diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c
index b40c3b0def92..522e6f517ec0 100644
--- a/arch/arm64/kernel/machine_kexec_file.c
+++ b/arch/arm64/kernel/machine_kexec_file.c
@@ -138,12 +138,12 @@ static int setup_dtb(struct kimage *image,
/* add rng-seed */
if (rng_is_initialized()) {
- u8 rng_seed[RNG_SEED_SIZE];
- get_random_bytes(rng_seed, RNG_SEED_SIZE);
- ret = fdt_setprop(dtb, off, FDT_PROP_RNG_SEED, rng_seed,
- RNG_SEED_SIZE);
+ void *rng_seed;
+ ret = fdt_setprop_placeholder(dtb, off, FDT_PROP_RNG_SEED,
+ RNG_SEED_SIZE, &rng_seed);
if (ret)
goto out;
+ get_random_bytes(rng_seed, RNG_SEED_SIZE);
} else {
pr_notice("RNG is not initialised: omitting \"%s\" property\n",
FDT_PROP_RNG_SEED);
@@ -284,7 +284,7 @@ int load_other_segments(struct kimage *image,
image->arch.elf_headers_sz = headers_sz;
pr_debug("Loaded elf core header at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- image->arch.elf_headers_mem, headers_sz, headers_sz);
+ image->arch.elf_headers_mem, kbuf.bufsz, kbuf.memsz);
}
/* load initrd */
@@ -305,7 +305,7 @@ int load_other_segments(struct kimage *image,
initrd_load_addr = kbuf.mem;
pr_debug("Loaded initrd at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- initrd_load_addr, initrd_len, initrd_len);
+ initrd_load_addr, kbuf.bufsz, kbuf.memsz);
}
/* load dtb */
@@ -332,7 +332,7 @@ int load_other_segments(struct kimage *image,
image->arch.dtb_mem = kbuf.mem;
pr_debug("Loaded dtb at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- kbuf.mem, dtb_len, dtb_len);
+ kbuf.mem, kbuf.bufsz, kbuf.memsz);
return 0;
diff --git a/arch/arm64/kernel/paravirt.c b/arch/arm64/kernel/paravirt.c
index 1ef702b0be2d..295d66490584 100644
--- a/arch/arm64/kernel/paravirt.c
+++ b/arch/arm64/kernel/paravirt.c
@@ -120,7 +120,7 @@ static bool has_pv_steal_clock(void)
struct arm_smccc_res res;
/* To detect the presence of PV time support we require SMCCC 1.1+ */
- if (psci_ops.smccc_version < SMCCC_VERSION_1_1)
+ if (arm_smccc_1_1_get_conduit() == SMCCC_CONDUIT_NONE)
return false;
arm_smccc_1_1_invoke(ARM_SMCCC_ARCH_FEATURES_FUNC_ID,
diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c
index b78fac9e546c..263d5fba4c8a 100644
--- a/arch/arm64/kernel/probes/decode-insn.c
+++ b/arch/arm64/kernel/probes/decode-insn.c
@@ -46,7 +46,7 @@ static bool __kprobes aarch64_insn_is_steppable(u32 insn)
* except for the NOP case.
*/
if (aarch64_insn_is_hint(insn))
- return aarch64_insn_is_nop(insn);
+ return aarch64_insn_is_steppable_hint(insn);
return true;
}
diff --git a/arch/arm64/kernel/probes/kprobes_trampoline.S b/arch/arm64/kernel/probes/kprobes_trampoline.S
index 45dce03aaeaf..890ca72c5a51 100644
--- a/arch/arm64/kernel/probes/kprobes_trampoline.S
+++ b/arch/arm64/kernel/probes/kprobes_trampoline.S
@@ -61,7 +61,7 @@
ldp x28, x29, [sp, #S_X28]
.endm
-ENTRY(kretprobe_trampoline)
+SYM_CODE_START(kretprobe_trampoline)
sub sp, sp, #S_FRAME_SIZE
save_all_base_regs
@@ -79,4 +79,4 @@ ENTRY(kretprobe_trampoline)
add sp, sp, #S_FRAME_SIZE
ret
-ENDPROC(kretprobe_trampoline)
+SYM_CODE_END(kretprobe_trampoline)
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 56be4cbf771f..eade7807e819 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -11,6 +11,7 @@
#include <linux/compat.h>
#include <linux/efi.h>
+#include <linux/elf.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/sched/debug.h>
@@ -18,6 +19,7 @@
#include <linux/sched/task_stack.h>
#include <linux/kernel.h>
#include <linux/lockdep.h>
+#include <linux/mman.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/sysctl.h>
@@ -209,6 +211,15 @@ void machine_restart(char *cmd)
while (1);
}
+#define bstr(suffix, str) [PSR_BTYPE_ ## suffix >> PSR_BTYPE_SHIFT] = str
+static const char *const btypes[] = {
+ bstr(NONE, "--"),
+ bstr( JC, "jc"),
+ bstr( C, "-c"),
+ bstr( J , "j-")
+};
+#undef bstr
+
static void print_pstate(struct pt_regs *regs)
{
u64 pstate = regs->pstate;
@@ -227,7 +238,10 @@ static void print_pstate(struct pt_regs *regs)
pstate & PSR_AA32_I_BIT ? 'I' : 'i',
pstate & PSR_AA32_F_BIT ? 'F' : 'f');
} else {
- printk("pstate: %08llx (%c%c%c%c %c%c%c%c %cPAN %cUAO)\n",
+ const char *btype_str = btypes[(pstate & PSR_BTYPE_MASK) >>
+ PSR_BTYPE_SHIFT];
+
+ printk("pstate: %08llx (%c%c%c%c %c%c%c%c %cPAN %cUAO BTYPE=%s)\n",
pstate,
pstate & PSR_N_BIT ? 'N' : 'n',
pstate & PSR_Z_BIT ? 'Z' : 'z',
@@ -238,7 +252,8 @@ static void print_pstate(struct pt_regs *regs)
pstate & PSR_I_BIT ? 'I' : 'i',
pstate & PSR_F_BIT ? 'F' : 'f',
pstate & PSR_PAN_BIT ? '+' : '-',
- pstate & PSR_UAO_BIT ? '+' : '-');
+ pstate & PSR_UAO_BIT ? '+' : '-',
+ btype_str);
}
}
@@ -655,3 +670,25 @@ asmlinkage void __sched arm64_preempt_schedule_irq(void)
if (system_capabilities_finalized())
preempt_schedule_irq();
}
+
+#ifdef CONFIG_BINFMT_ELF
+int arch_elf_adjust_prot(int prot, const struct arch_elf_state *state,
+ bool has_interp, bool is_interp)
+{
+ /*
+ * For dynamically linked executables the interpreter is
+ * responsible for setting PROT_BTI on everything except
+ * itself.
+ */
+ if (is_interp != has_interp)
+ return prot;
+
+ if (!(state->flags & ARM64_ELF_BTI))
+ return prot;
+
+ if (prot & PROT_EXEC)
+ prot |= PROT_BTI;
+
+ return prot;
+}
+#endif
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index b3d3005d9515..76790a5f2a0d 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1829,10 +1829,11 @@ static void tracehook_report_syscall(struct pt_regs *regs,
int syscall_trace_enter(struct pt_regs *regs)
{
- if (test_thread_flag(TIF_SYSCALL_TRACE) ||
- test_thread_flag(TIF_SYSCALL_EMU)) {
+ unsigned long flags = READ_ONCE(current_thread_info()->flags);
+
+ if (flags & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) {
tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
- if (!in_syscall(regs) || test_thread_flag(TIF_SYSCALL_EMU))
+ if (!in_syscall(regs) || (flags & _TIF_SYSCALL_EMU))
return -1;
}
@@ -1874,7 +1875,7 @@ void syscall_trace_exit(struct pt_regs *regs)
*/
#define SPSR_EL1_AARCH64_RES0_BITS \
(GENMASK_ULL(63, 32) | GENMASK_ULL(27, 25) | GENMASK_ULL(23, 22) | \
- GENMASK_ULL(20, 13) | GENMASK_ULL(11, 10) | GENMASK_ULL(5, 5))
+ GENMASK_ULL(20, 13) | GENMASK_ULL(5, 5))
#define SPSR_EL1_AARCH32_RES0_BITS \
(GENMASK_ULL(63, 32) | GENMASK_ULL(22, 22) | GENMASK_ULL(20, 20))
diff --git a/arch/arm64/kernel/reloc_test_syms.S b/arch/arm64/kernel/reloc_test_syms.S
index 16a34f188f26..c50f45fa29fa 100644
--- a/arch/arm64/kernel/reloc_test_syms.S
+++ b/arch/arm64/kernel/reloc_test_syms.S
@@ -5,81 +5,81 @@
#include <linux/linkage.h>
-ENTRY(absolute_data64)
+SYM_FUNC_START(absolute_data64)
ldr x0, 0f
ret
0: .quad sym64_abs
-ENDPROC(absolute_data64)
+SYM_FUNC_END(absolute_data64)
-ENTRY(absolute_data32)
+SYM_FUNC_START(absolute_data32)
ldr w0, 0f
ret
0: .long sym32_abs
-ENDPROC(absolute_data32)
+SYM_FUNC_END(absolute_data32)
-ENTRY(absolute_data16)
+SYM_FUNC_START(absolute_data16)
adr x0, 0f
ldrh w0, [x0]
ret
0: .short sym16_abs, 0
-ENDPROC(absolute_data16)
+SYM_FUNC_END(absolute_data16)
-ENTRY(signed_movw)
+SYM_FUNC_START(signed_movw)
movz x0, #:abs_g2_s:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
-ENDPROC(signed_movw)
+SYM_FUNC_END(signed_movw)
-ENTRY(unsigned_movw)
+SYM_FUNC_START(unsigned_movw)
movz x0, #:abs_g3:sym64_abs
movk x0, #:abs_g2_nc:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
-ENDPROC(unsigned_movw)
+SYM_FUNC_END(unsigned_movw)
.align 12
.space 0xff8
-ENTRY(relative_adrp)
+SYM_FUNC_START(relative_adrp)
adrp x0, sym64_rel
add x0, x0, #:lo12:sym64_rel
ret
-ENDPROC(relative_adrp)
+SYM_FUNC_END(relative_adrp)
.align 12
.space 0xffc
-ENTRY(relative_adrp_far)
+SYM_FUNC_START(relative_adrp_far)
adrp x0, memstart_addr
add x0, x0, #:lo12:memstart_addr
ret
-ENDPROC(relative_adrp_far)
+SYM_FUNC_END(relative_adrp_far)
-ENTRY(relative_adr)
+SYM_FUNC_START(relative_adr)
adr x0, sym64_rel
ret
-ENDPROC(relative_adr)
+SYM_FUNC_END(relative_adr)
-ENTRY(relative_data64)
+SYM_FUNC_START(relative_data64)
adr x1, 0f
ldr x0, [x1]
add x0, x0, x1
ret
0: .quad sym64_rel - .
-ENDPROC(relative_data64)
+SYM_FUNC_END(relative_data64)
-ENTRY(relative_data32)
+SYM_FUNC_START(relative_data32)
adr x1, 0f
ldr w0, [x1]
add x0, x0, x1
ret
0: .long sym64_rel - .
-ENDPROC(relative_data32)
+SYM_FUNC_END(relative_data32)
-ENTRY(relative_data16)
+SYM_FUNC_START(relative_data16)
adr x1, 0f
ldrsh w0, [x1]
add x0, x0, x1
ret
0: .short sym64_rel - ., 0
-ENDPROC(relative_data16)
+SYM_FUNC_END(relative_data16)
diff --git a/arch/arm64/kernel/relocate_kernel.S b/arch/arm64/kernel/relocate_kernel.S
index c40ce496c78b..542d6edc6806 100644
--- a/arch/arm64/kernel/relocate_kernel.S
+++ b/arch/arm64/kernel/relocate_kernel.S
@@ -26,7 +26,7 @@
* control_code_page, a special page which has been set up to be preserved
* during the copy operation.
*/
-ENTRY(arm64_relocate_new_kernel)
+SYM_CODE_START(arm64_relocate_new_kernel)
/* Setup the list loop variables. */
mov x18, x2 /* x18 = dtb address */
@@ -111,7 +111,7 @@ ENTRY(arm64_relocate_new_kernel)
mov x3, xzr
br x17
-ENDPROC(arm64_relocate_new_kernel)
+SYM_CODE_END(arm64_relocate_new_kernel)
.align 3 /* To keep the 64-bit values below naturally aligned. */
diff --git a/arch/arm64/kernel/scs.c b/arch/arm64/kernel/scs.c
new file mode 100644
index 000000000000..e8f7ff45dd8f
--- /dev/null
+++ b/arch/arm64/kernel/scs.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Shadow Call Stack support.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+
+#include <linux/percpu.h>
+#include <linux/scs.h>
+
+DEFINE_SCS(irq_shadow_call_stack);
+
+#ifdef CONFIG_ARM_SDE_INTERFACE
+DEFINE_SCS(sdei_shadow_call_stack_normal);
+DEFINE_SCS(sdei_shadow_call_stack_critical);
+#endif
diff --git a/arch/arm64/kernel/sdei.c b/arch/arm64/kernel/sdei.c
index d6259dac62b6..dab88260b137 100644
--- a/arch/arm64/kernel/sdei.c
+++ b/arch/arm64/kernel/sdei.c
@@ -95,19 +95,7 @@ static bool on_sdei_normal_stack(unsigned long sp, struct stack_info *info)
unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_normal_ptr);
unsigned long high = low + SDEI_STACK_SIZE;
- if (!low)
- return false;
-
- if (sp < low || sp >= high)
- return false;
-
- if (info) {
- info->low = low;
- info->high = high;
- info->type = STACK_TYPE_SDEI_NORMAL;
- }
-
- return true;
+ return on_stack(sp, low, high, STACK_TYPE_SDEI_NORMAL, info);
}
static bool on_sdei_critical_stack(unsigned long sp, struct stack_info *info)
@@ -115,19 +103,7 @@ static bool on_sdei_critical_stack(unsigned long sp, struct stack_info *info)
unsigned long low = (unsigned long)raw_cpu_read(sdei_stack_critical_ptr);
unsigned long high = low + SDEI_STACK_SIZE;
- if (!low)
- return false;
-
- if (sp < low || sp >= high)
- return false;
-
- if (info) {
- info->low = low;
- info->high = high;
- info->type = STACK_TYPE_SDEI_CRITICAL;
- }
-
- return true;
+ return on_stack(sp, low, high, STACK_TYPE_SDEI_CRITICAL, info);
}
bool _on_sdei_stack(unsigned long sp, struct stack_info *info)
@@ -251,22 +227,12 @@ asmlinkage __kprobes notrace unsigned long
__sdei_handler(struct pt_regs *regs, struct sdei_registered_event *arg)
{
unsigned long ret;
- bool do_nmi_exit = false;
- /*
- * nmi_enter() deals with printk() re-entrance and use of RCU when
- * RCU believed this CPU was idle. Because critical events can
- * interrupt normal events, we may already be in_nmi().
- */
- if (!in_nmi()) {
- nmi_enter();
- do_nmi_exit = true;
- }
+ nmi_enter();
ret = _sdei_handler(regs, arg);
- if (do_nmi_exit)
- nmi_exit();
+ nmi_exit();
return ret;
}
diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c
index 339882db5a91..801d56cdf701 100644
--- a/arch/arm64/kernel/signal.c
+++ b/arch/arm64/kernel/signal.c
@@ -732,6 +732,22 @@ static void setup_return(struct pt_regs *regs, struct k_sigaction *ka,
regs->regs[29] = (unsigned long)&user->next_frame->fp;
regs->pc = (unsigned long)ka->sa.sa_handler;
+ /*
+ * Signal delivery is a (wacky) indirect function call in
+ * userspace, so simulate the same setting of BTYPE as a BLR
+ * <register containing the signal handler entry point>.
+ * Signal delivery to a location in a PROT_BTI guarded page
+ * that is not a function entry point will now trigger a
+ * SIGILL in userspace.
+ *
+ * If the signal handler entry point is not in a PROT_BTI
+ * guarded page, this is harmless.
+ */
+ if (system_supports_bti()) {
+ regs->pstate &= ~PSR_BTYPE_MASK;
+ regs->pstate |= PSR_BTYPE_C;
+ }
+
if (ka->sa.sa_flags & SA_RESTORER)
sigtramp = ka->sa.sa_restorer;
else
diff --git a/arch/arm64/kernel/sleep.S b/arch/arm64/kernel/sleep.S
index 7b2f2e650c44..ba40d57757d6 100644
--- a/arch/arm64/kernel/sleep.S
+++ b/arch/arm64/kernel/sleep.S
@@ -62,7 +62,7 @@
*
* x0 = struct sleep_stack_data area
*/
-ENTRY(__cpu_suspend_enter)
+SYM_FUNC_START(__cpu_suspend_enter)
stp x29, lr, [x0, #SLEEP_STACK_DATA_CALLEE_REGS]
stp x19, x20, [x0,#SLEEP_STACK_DATA_CALLEE_REGS+16]
stp x21, x22, [x0,#SLEEP_STACK_DATA_CALLEE_REGS+32]
@@ -95,23 +95,22 @@ ENTRY(__cpu_suspend_enter)
ldp x29, lr, [sp], #16
mov x0, #1
ret
-ENDPROC(__cpu_suspend_enter)
+SYM_FUNC_END(__cpu_suspend_enter)
.pushsection ".idmap.text", "awx"
-ENTRY(cpu_resume)
+SYM_CODE_START(cpu_resume)
bl el2_setup // if in EL2 drop to EL1 cleanly
- mov x0, #ARM64_CPU_RUNTIME
bl __cpu_setup
/* enable the MMU early - so we can access sleep_save_stash by va */
adrp x1, swapper_pg_dir
bl __enable_mmu
ldr x8, =_cpu_resume
br x8
-ENDPROC(cpu_resume)
+SYM_CODE_END(cpu_resume)
.ltorg
.popsection
-ENTRY(_cpu_resume)
+SYM_FUNC_START(_cpu_resume)
mrs x1, mpidr_el1
adr_l x8, mpidr_hash // x8 = struct mpidr_hash virt address
@@ -147,4 +146,4 @@ ENTRY(_cpu_resume)
ldp x29, lr, [x29]
mov x0, #0
ret
-ENDPROC(_cpu_resume)
+SYM_FUNC_END(_cpu_resume)
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S
index 54655273d1e0..1f93809528a4 100644
--- a/arch/arm64/kernel/smccc-call.S
+++ b/arch/arm64/kernel/smccc-call.S
@@ -30,9 +30,9 @@
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
-ENTRY(__arm_smccc_smc)
+SYM_FUNC_START(__arm_smccc_smc)
SMCCC smc
-ENDPROC(__arm_smccc_smc)
+SYM_FUNC_END(__arm_smccc_smc)
EXPORT_SYMBOL(__arm_smccc_smc)
/*
@@ -41,7 +41,7 @@ EXPORT_SYMBOL(__arm_smccc_smc)
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
-ENTRY(__arm_smccc_hvc)
+SYM_FUNC_START(__arm_smccc_hvc)
SMCCC hvc
-ENDPROC(__arm_smccc_hvc)
+SYM_FUNC_END(__arm_smccc_hvc)
EXPORT_SYMBOL(__arm_smccc_hvc)
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 061f60fe452f..4b6f4999d06a 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -65,7 +65,7 @@ EXPORT_PER_CPU_SYMBOL(cpu_number);
*/
struct secondary_data secondary_data;
/* Number of CPUs which aren't online, but looping in kernel text. */
-int cpus_stuck_in_kernel;
+static int cpus_stuck_in_kernel;
enum ipi_msg_type {
IPI_RESCHEDULE,
@@ -114,10 +114,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
*/
secondary_data.task = idle;
secondary_data.stack = task_stack_page(idle) + THREAD_SIZE;
-#if defined(CONFIG_ARM64_PTR_AUTH)
- secondary_data.ptrauth_key.apia.lo = idle->thread.keys_kernel.apia.lo;
- secondary_data.ptrauth_key.apia.hi = idle->thread.keys_kernel.apia.hi;
-#endif
update_cpu_boot_status(CPU_MMU_OFF);
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
@@ -140,10 +136,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
pr_crit("CPU%u: failed to come online\n", cpu);
secondary_data.task = NULL;
secondary_data.stack = NULL;
-#if defined(CONFIG_ARM64_PTR_AUTH)
- secondary_data.ptrauth_key.apia.lo = 0;
- secondary_data.ptrauth_key.apia.hi = 0;
-#endif
__flush_dcache_area(&secondary_data, sizeof(secondary_data));
status = READ_ONCE(secondary_data.status);
if (status == CPU_MMU_OFF)
@@ -176,7 +168,7 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle)
panic("CPU%u detected unsupported configuration\n", cpu);
}
- return ret;
+ return -EIO;
}
static void init_gic_priority_masking(void)
@@ -430,7 +422,7 @@ static void __init hyp_mode_check(void)
"CPU: CPUs started in inconsistent modes");
else
pr_info("CPU: All CPU(s) started at EL1\n");
- if (IS_ENABLED(CONFIG_KVM_ARM_HOST))
+ if (IS_ENABLED(CONFIG_KVM))
kvm_compute_layout();
}
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index a12c0c88d345..5f5b868292f5 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/arm64/kernel/syscall.c
@@ -98,6 +98,24 @@ static void el0_svc_common(struct pt_regs *regs, int scno, int sc_nr,
regs->orig_x0 = regs->regs[0];
regs->syscallno = scno;
+ /*
+ * BTI note:
+ * The architecture does not guarantee that SPSR.BTYPE is zero
+ * on taking an SVC, so we could return to userspace with a
+ * non-zero BTYPE after the syscall.
+ *
+ * This shouldn't matter except when userspace is explicitly
+ * doing something stupid, such as setting PROT_BTI on a page
+ * that lacks conforming BTI/PACIxSP instructions, falling
+ * through from one executable page to another with differing
+ * PROT_BTI, or messing with BTYPE via ptrace: in such cases,
+ * userspace should not be surprised if a SIGILL occurs on
+ * syscall return.
+ *
+ * So, don't touch regs->pstate & PSR_BTYPE_MASK here.
+ * (Similarly for HVC and SMC elsewhere.)
+ */
+
cortex_a76_erratum_1463225_svc_handler();
local_daif_restore(DAIF_PROCCTX);
user_exit();
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index cf402be5c573..d332590f5978 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -272,6 +272,61 @@ void arm64_notify_die(const char *str, struct pt_regs *regs,
}
}
+#ifdef CONFIG_COMPAT
+#define PSTATE_IT_1_0_SHIFT 25
+#define PSTATE_IT_1_0_MASK (0x3 << PSTATE_IT_1_0_SHIFT)
+#define PSTATE_IT_7_2_SHIFT 10
+#define PSTATE_IT_7_2_MASK (0x3f << PSTATE_IT_7_2_SHIFT)
+
+static u32 compat_get_it_state(struct pt_regs *regs)
+{
+ u32 it, pstate = regs->pstate;
+
+ it = (pstate & PSTATE_IT_1_0_MASK) >> PSTATE_IT_1_0_SHIFT;
+ it |= ((pstate & PSTATE_IT_7_2_MASK) >> PSTATE_IT_7_2_SHIFT) << 2;
+
+ return it;
+}
+
+static void compat_set_it_state(struct pt_regs *regs, u32 it)
+{
+ u32 pstate_it;
+
+ pstate_it = (it << PSTATE_IT_1_0_SHIFT) & PSTATE_IT_1_0_MASK;
+ pstate_it |= ((it >> 2) << PSTATE_IT_7_2_SHIFT) & PSTATE_IT_7_2_MASK;
+
+ regs->pstate &= ~PSR_AA32_IT_MASK;
+ regs->pstate |= pstate_it;
+}
+
+static void advance_itstate(struct pt_regs *regs)
+{
+ u32 it;
+
+ /* ARM mode */
+ if (!(regs->pstate & PSR_AA32_T_BIT) ||
+ !(regs->pstate & PSR_AA32_IT_MASK))
+ return;
+
+ it = compat_get_it_state(regs);
+
+ /*
+ * If this is the last instruction of the block, wipe the IT
+ * state. Otherwise advance it.
+ */
+ if (!(it & 7))
+ it = 0;
+ else
+ it = (it & 0xe0) | ((it << 1) & 0x1f);
+
+ compat_set_it_state(regs, it);
+}
+#else
+static void advance_itstate(struct pt_regs *regs)
+{
+}
+#endif
+
void arm64_skip_faulting_instruction(struct pt_regs *regs, unsigned long size)
{
regs->pc += size;
@@ -282,6 +337,11 @@ void arm64_skip_faulting_instruction(struct pt_regs *regs, unsigned long size)
*/
if (user_mode(regs))
user_fastforward_single_step(current);
+
+ if (compat_user_mode(regs))
+ advance_itstate(regs);
+ else
+ regs->pstate &= ~PSR_BTYPE_MASK;
}
static LIST_HEAD(undef_hook);
@@ -411,6 +471,13 @@ void do_undefinstr(struct pt_regs *regs)
}
NOKPROBE_SYMBOL(do_undefinstr);
+void do_bti(struct pt_regs *regs)
+{
+ BUG_ON(!user_mode(regs));
+ force_signal_inject(SIGILL, ILL_ILLOPC, regs->pc);
+}
+NOKPROBE_SYMBOL(do_bti);
+
#define __user_cache_maint(insn, address, res) \
if (address >= user_addr_max()) { \
res = -EFAULT; \
@@ -566,34 +633,7 @@ static const struct sys64_hook sys64_hooks[] = {
{},
};
-
#ifdef CONFIG_COMPAT
-#define PSTATE_IT_1_0_SHIFT 25
-#define PSTATE_IT_1_0_MASK (0x3 << PSTATE_IT_1_0_SHIFT)
-#define PSTATE_IT_7_2_SHIFT 10
-#define PSTATE_IT_7_2_MASK (0x3f << PSTATE_IT_7_2_SHIFT)
-
-static u32 compat_get_it_state(struct pt_regs *regs)
-{
- u32 it, pstate = regs->pstate;
-
- it = (pstate & PSTATE_IT_1_0_MASK) >> PSTATE_IT_1_0_SHIFT;
- it |= ((pstate & PSTATE_IT_7_2_MASK) >> PSTATE_IT_7_2_SHIFT) << 2;
-
- return it;
-}
-
-static void compat_set_it_state(struct pt_regs *regs, u32 it)
-{
- u32 pstate_it;
-
- pstate_it = (it << PSTATE_IT_1_0_SHIFT) & PSTATE_IT_1_0_MASK;
- pstate_it |= ((it >> 2) << PSTATE_IT_7_2_SHIFT) & PSTATE_IT_7_2_MASK;
-
- regs->pstate &= ~PSR_AA32_IT_MASK;
- regs->pstate |= pstate_it;
-}
-
static bool cp15_cond_valid(unsigned int esr, struct pt_regs *regs)
{
int cond;
@@ -614,42 +654,12 @@ static bool cp15_cond_valid(unsigned int esr, struct pt_regs *regs)
return aarch32_opcode_cond_checks[cond](regs->pstate);
}
-static void advance_itstate(struct pt_regs *regs)
-{
- u32 it;
-
- /* ARM mode */
- if (!(regs->pstate & PSR_AA32_T_BIT) ||
- !(regs->pstate & PSR_AA32_IT_MASK))
- return;
-
- it = compat_get_it_state(regs);
-
- /*
- * If this is the last instruction of the block, wipe the IT
- * state. Otherwise advance it.
- */
- if (!(it & 7))
- it = 0;
- else
- it = (it & 0xe0) | ((it << 1) & 0x1f);
-
- compat_set_it_state(regs, it);
-}
-
-static void arm64_compat_skip_faulting_instruction(struct pt_regs *regs,
- unsigned int sz)
-{
- advance_itstate(regs);
- arm64_skip_faulting_instruction(regs, sz);
-}
-
static void compat_cntfrq_read_handler(unsigned int esr, struct pt_regs *regs)
{
int reg = (esr & ESR_ELx_CP15_32_ISS_RT_MASK) >> ESR_ELx_CP15_32_ISS_RT_SHIFT;
pt_regs_write_reg(regs, reg, arch_timer_get_rate());
- arm64_compat_skip_faulting_instruction(regs, 4);
+ arm64_skip_faulting_instruction(regs, 4);
}
static const struct sys64_hook cp15_32_hooks[] = {
@@ -669,7 +679,7 @@ static void compat_cntvct_read_handler(unsigned int esr, struct pt_regs *regs)
pt_regs_write_reg(regs, rt, lower_32_bits(val));
pt_regs_write_reg(regs, rt2, upper_32_bits(val));
- arm64_compat_skip_faulting_instruction(regs, 4);
+ arm64_skip_faulting_instruction(regs, 4);
}
static const struct sys64_hook cp15_64_hooks[] = {
@@ -690,7 +700,7 @@ void do_cp15instr(unsigned int esr, struct pt_regs *regs)
* There is no T16 variant of a CP access, so we
* always advance PC by 4 bytes.
*/
- arm64_compat_skip_faulting_instruction(regs, 4);
+ arm64_skip_faulting_instruction(regs, 4);
return;
}
@@ -753,6 +763,7 @@ static const char *esr_class_str[] = {
[ESR_ELx_EC_CP10_ID] = "CP10 MRC/VMRS",
[ESR_ELx_EC_PAC] = "PAC",
[ESR_ELx_EC_CP14_64] = "CP14 MCRR/MRRC",
+ [ESR_ELx_EC_BTI] = "BTI",
[ESR_ELx_EC_ILL] = "PSTATE.IL",
[ESR_ELx_EC_SVC32] = "SVC (AArch32)",
[ESR_ELx_EC_HVC32] = "HVC (AArch32)",
@@ -906,17 +917,13 @@ bool arm64_is_fatal_ras_serror(struct pt_regs *regs, unsigned int esr)
asmlinkage void do_serror(struct pt_regs *regs, unsigned int esr)
{
- const bool was_in_nmi = in_nmi();
-
- if (!was_in_nmi)
- nmi_enter();
+ nmi_enter();
/* non-RAS errors are not containable */
if (!arm64_is_ras_serror(esr) || arm64_is_fatal_ras_serror(regs, esr))
arm64_serror_panic(regs, esr);
- if (!was_in_nmi)
- nmi_exit();
+ nmi_exit();
}
asmlinkage void enter_from_user_mode(void)
@@ -1047,11 +1054,11 @@ int __init early_brk64(unsigned long addr, unsigned int esr,
return bug_handler(regs, esr) != DBG_HOOK_HANDLED;
}
-/* This registration must happen early, before debug_traps_init(). */
void __init trap_init(void)
{
register_kernel_break_hook(&bug_break_hook);
#ifdef CONFIG_KASAN_SW_TAGS
register_kernel_break_hook(&kasan_break_hook);
#endif
+ debug_traps_init();
}
diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 033a48f30dbb..d51a898fd60f 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -33,20 +33,14 @@ extern char vdso_start[], vdso_end[];
extern char vdso32_start[], vdso32_end[];
#endif /* CONFIG_COMPAT_VDSO */
-/* vdso_lookup arch_index */
-enum arch_vdso_type {
- ARM64_VDSO = 0,
+enum vdso_abi {
+ VDSO_ABI_AA64,
#ifdef CONFIG_COMPAT_VDSO
- ARM64_VDSO32 = 1,
+ VDSO_ABI_AA32,
#endif /* CONFIG_COMPAT_VDSO */
};
-#ifdef CONFIG_COMPAT_VDSO
-#define VDSO_TYPES (ARM64_VDSO32 + 1)
-#else
-#define VDSO_TYPES (ARM64_VDSO + 1)
-#endif /* CONFIG_COMPAT_VDSO */
-struct __vdso_abi {
+struct vdso_abi_info {
const char *name;
const char *vdso_code_start;
const char *vdso_code_end;
@@ -57,14 +51,14 @@ struct __vdso_abi {
struct vm_special_mapping *cm;
};
-static struct __vdso_abi vdso_lookup[VDSO_TYPES] __ro_after_init = {
- {
+static struct vdso_abi_info vdso_info[] __ro_after_init = {
+ [VDSO_ABI_AA64] = {
.name = "vdso",
.vdso_code_start = vdso_start,
.vdso_code_end = vdso_end,
},
#ifdef CONFIG_COMPAT_VDSO
- {
+ [VDSO_ABI_AA32] = {
.name = "vdso32",
.vdso_code_start = vdso32_start,
.vdso_code_end = vdso32_end,
@@ -81,13 +75,13 @@ static union {
} vdso_data_store __page_aligned_data;
struct vdso_data *vdso_data = vdso_data_store.data;
-static int __vdso_remap(enum arch_vdso_type arch_index,
+static int __vdso_remap(enum vdso_abi abi,
const struct vm_special_mapping *sm,
struct vm_area_struct *new_vma)
{
unsigned long new_size = new_vma->vm_end - new_vma->vm_start;
- unsigned long vdso_size = vdso_lookup[arch_index].vdso_code_end -
- vdso_lookup[arch_index].vdso_code_start;
+ unsigned long vdso_size = vdso_info[abi].vdso_code_end -
+ vdso_info[abi].vdso_code_start;
if (vdso_size != new_size)
return -EINVAL;
@@ -97,24 +91,24 @@ static int __vdso_remap(enum arch_vdso_type arch_index,
return 0;
}
-static int __vdso_init(enum arch_vdso_type arch_index)
+static int __vdso_init(enum vdso_abi abi)
{
int i;
struct page **vdso_pagelist;
unsigned long pfn;
- if (memcmp(vdso_lookup[arch_index].vdso_code_start, "\177ELF", 4)) {
+ if (memcmp(vdso_info[abi].vdso_code_start, "\177ELF", 4)) {
pr_err("vDSO is not a valid ELF object!\n");
return -EINVAL;
}
- vdso_lookup[arch_index].vdso_pages = (
- vdso_lookup[arch_index].vdso_code_end -
- vdso_lookup[arch_index].vdso_code_start) >>
+ vdso_info[abi].vdso_pages = (
+ vdso_info[abi].vdso_code_end -
+ vdso_info[abi].vdso_code_start) >>
PAGE_SHIFT;
/* Allocate the vDSO pagelist, plus a page for the data. */
- vdso_pagelist = kcalloc(vdso_lookup[arch_index].vdso_pages + 1,
+ vdso_pagelist = kcalloc(vdso_info[abi].vdso_pages + 1,
sizeof(struct page *),
GFP_KERNEL);
if (vdso_pagelist == NULL)
@@ -125,26 +119,27 @@ static int __vdso_init(enum arch_vdso_type arch_index)
/* Grab the vDSO code pages. */
- pfn = sym_to_pfn(vdso_lookup[arch_index].vdso_code_start);
+ pfn = sym_to_pfn(vdso_info[abi].vdso_code_start);
- for (i = 0; i < vdso_lookup[arch_index].vdso_pages; i++)
+ for (i = 0; i < vdso_info[abi].vdso_pages; i++)
vdso_pagelist[i + 1] = pfn_to_page(pfn + i);
- vdso_lookup[arch_index].dm->pages = &vdso_pagelist[0];
- vdso_lookup[arch_index].cm->pages = &vdso_pagelist[1];
+ vdso_info[abi].dm->pages = &vdso_pagelist[0];
+ vdso_info[abi].cm->pages = &vdso_pagelist[1];
return 0;
}
-static int __setup_additional_pages(enum arch_vdso_type arch_index,
+static int __setup_additional_pages(enum vdso_abi abi,
struct mm_struct *mm,
struct linux_binprm *bprm,
int uses_interp)
{
unsigned long vdso_base, vdso_text_len, vdso_mapping_len;
+ unsigned long gp_flags = 0;
void *ret;
- vdso_text_len = vdso_lookup[arch_index].vdso_pages << PAGE_SHIFT;
+ vdso_text_len = vdso_info[abi].vdso_pages << PAGE_SHIFT;
/* Be sure to map the data page */
vdso_mapping_len = vdso_text_len + PAGE_SIZE;
@@ -156,16 +151,19 @@ static int __setup_additional_pages(enum arch_vdso_type arch_index,
ret = _install_special_mapping(mm, vdso_base, PAGE_SIZE,
VM_READ|VM_MAYREAD,
- vdso_lookup[arch_index].dm);
+ vdso_info[abi].dm);
if (IS_ERR(ret))
goto up_fail;
+ if (IS_ENABLED(CONFIG_ARM64_BTI_KERNEL) && system_supports_bti())
+ gp_flags = VM_ARM64_BTI;
+
vdso_base += PAGE_SIZE;
mm->context.vdso = (void *)vdso_base;
ret = _install_special_mapping(mm, vdso_base, vdso_text_len,
- VM_READ|VM_EXEC|
+ VM_READ|VM_EXEC|gp_flags|
VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC,
- vdso_lookup[arch_index].cm);
+ vdso_info[abi].cm);
if (IS_ERR(ret))
goto up_fail;
@@ -184,46 +182,42 @@ up_fail:
static int aarch32_vdso_mremap(const struct vm_special_mapping *sm,
struct vm_area_struct *new_vma)
{
- return __vdso_remap(ARM64_VDSO32, sm, new_vma);
+ return __vdso_remap(VDSO_ABI_AA32, sm, new_vma);
}
#endif /* CONFIG_COMPAT_VDSO */
-/*
- * aarch32_vdso_pages:
- * 0 - kuser helpers
- * 1 - sigreturn code
- * or (CONFIG_COMPAT_VDSO):
- * 0 - kuser helpers
- * 1 - vdso data
- * 2 - vdso code
- */
-#define C_VECTORS 0
+enum aarch32_map {
+ AA32_MAP_VECTORS, /* kuser helpers */
#ifdef CONFIG_COMPAT_VDSO
-#define C_VVAR 1
-#define C_VDSO 2
-#define C_PAGES (C_VDSO + 1)
+ AA32_MAP_VVAR,
+ AA32_MAP_VDSO,
#else
-#define C_SIGPAGE 1
-#define C_PAGES (C_SIGPAGE + 1)
-#endif /* CONFIG_COMPAT_VDSO */
-static struct page *aarch32_vdso_pages[C_PAGES] __ro_after_init;
-static struct vm_special_mapping aarch32_vdso_spec[C_PAGES] = {
- {
+ AA32_MAP_SIGPAGE
+#endif
+};
+
+static struct page *aarch32_vectors_page __ro_after_init;
+#ifndef CONFIG_COMPAT_VDSO
+static struct page *aarch32_sig_page __ro_after_init;
+#endif
+
+static struct vm_special_mapping aarch32_vdso_maps[] = {
+ [AA32_MAP_VECTORS] = {
.name = "[vectors]", /* ABI */
- .pages = &aarch32_vdso_pages[C_VECTORS],
+ .pages = &aarch32_vectors_page,
},
#ifdef CONFIG_COMPAT_VDSO
- {
+ [AA32_MAP_VVAR] = {
.name = "[vvar]",
},
- {
+ [AA32_MAP_VDSO] = {
.name = "[vdso]",
.mremap = aarch32_vdso_mremap,
},
#else
- {
+ [AA32_MAP_SIGPAGE] = {
.name = "[sigpage]", /* ABI */
- .pages = &aarch32_vdso_pages[C_SIGPAGE],
+ .pages = &aarch32_sig_page,
},
#endif /* CONFIG_COMPAT_VDSO */
};
@@ -243,8 +237,8 @@ static int aarch32_alloc_kuser_vdso_page(void)
memcpy((void *)(vdso_page + 0x1000 - kuser_sz), __kuser_helper_start,
kuser_sz);
- aarch32_vdso_pages[C_VECTORS] = virt_to_page(vdso_page);
- flush_dcache_page(aarch32_vdso_pages[C_VECTORS]);
+ aarch32_vectors_page = virt_to_page(vdso_page);
+ flush_dcache_page(aarch32_vectors_page);
return 0;
}
@@ -253,10 +247,10 @@ static int __aarch32_alloc_vdso_pages(void)
{
int ret;
- vdso_lookup[ARM64_VDSO32].dm = &aarch32_vdso_spec[C_VVAR];
- vdso_lookup[ARM64_VDSO32].cm = &aarch32_vdso_spec[C_VDSO];
+ vdso_info[VDSO_ABI_AA32].dm = &aarch32_vdso_maps[AA32_MAP_VVAR];
+ vdso_info[VDSO_ABI_AA32].cm = &aarch32_vdso_maps[AA32_MAP_VDSO];
- ret = __vdso_init(ARM64_VDSO32);
+ ret = __vdso_init(VDSO_ABI_AA32);
if (ret)
return ret;
@@ -275,8 +269,8 @@ static int __aarch32_alloc_vdso_pages(void)
return -ENOMEM;
memcpy((void *)sigpage, __aarch32_sigret_code_start, sigret_sz);
- aarch32_vdso_pages[C_SIGPAGE] = virt_to_page(sigpage);
- flush_dcache_page(aarch32_vdso_pages[C_SIGPAGE]);
+ aarch32_sig_page = virt_to_page(sigpage);
+ flush_dcache_page(aarch32_sig_page);
ret = aarch32_alloc_kuser_vdso_page();
if (ret)
@@ -306,7 +300,7 @@ static int aarch32_kuser_helpers_setup(struct mm_struct *mm)
ret = _install_special_mapping(mm, AARCH32_VECTORS_BASE, PAGE_SIZE,
VM_READ | VM_EXEC |
VM_MAYREAD | VM_MAYEXEC,
- &aarch32_vdso_spec[C_VECTORS]);
+ &aarch32_vdso_maps[AA32_MAP_VECTORS]);
return PTR_ERR_OR_ZERO(ret);
}
@@ -330,7 +324,7 @@ static int aarch32_sigreturn_setup(struct mm_struct *mm)
ret = _install_special_mapping(mm, addr, PAGE_SIZE,
VM_READ | VM_EXEC | VM_MAYREAD |
VM_MAYWRITE | VM_MAYEXEC,
- &aarch32_vdso_spec[C_SIGPAGE]);
+ &aarch32_vdso_maps[AA32_MAP_SIGPAGE]);
if (IS_ERR(ret))
goto out;
@@ -354,7 +348,7 @@ int aarch32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
goto out;
#ifdef CONFIG_COMPAT_VDSO
- ret = __setup_additional_pages(ARM64_VDSO32,
+ ret = __setup_additional_pages(VDSO_ABI_AA32,
mm,
bprm,
uses_interp);
@@ -371,22 +365,19 @@ out:
static int vdso_mremap(const struct vm_special_mapping *sm,
struct vm_area_struct *new_vma)
{
- return __vdso_remap(ARM64_VDSO, sm, new_vma);
+ return __vdso_remap(VDSO_ABI_AA64, sm, new_vma);
}
-/*
- * aarch64_vdso_pages:
- * 0 - vvar
- * 1 - vdso
- */
-#define A_VVAR 0
-#define A_VDSO 1
-#define A_PAGES (A_VDSO + 1)
-static struct vm_special_mapping vdso_spec[A_PAGES] __ro_after_init = {
- {
+enum aarch64_map {
+ AA64_MAP_VVAR,
+ AA64_MAP_VDSO,
+};
+
+static struct vm_special_mapping aarch64_vdso_maps[] __ro_after_init = {
+ [AA64_MAP_VVAR] = {
.name = "[vvar]",
},
- {
+ [AA64_MAP_VDSO] = {
.name = "[vdso]",
.mremap = vdso_mremap,
},
@@ -394,10 +385,10 @@ static struct vm_special_mapping vdso_spec[A_PAGES] __ro_after_init = {
static int __init vdso_init(void)
{
- vdso_lookup[ARM64_VDSO].dm = &vdso_spec[A_VVAR];
- vdso_lookup[ARM64_VDSO].cm = &vdso_spec[A_VDSO];
+ vdso_info[VDSO_ABI_AA64].dm = &aarch64_vdso_maps[AA64_MAP_VVAR];
+ vdso_info[VDSO_ABI_AA64].cm = &aarch64_vdso_maps[AA64_MAP_VDSO];
- return __vdso_init(ARM64_VDSO);
+ return __vdso_init(VDSO_ABI_AA64);
}
arch_initcall(vdso_init);
@@ -410,7 +401,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
if (down_write_killable(&mm->mmap_sem))
return -EINTR;
- ret = __setup_additional_pages(ARM64_VDSO,
+ ret = __setup_additional_pages(VDSO_ABI_AA64,
mm,
bprm,
uses_interp);
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index dd2514bb1511..556d424c6f52 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -17,22 +17,26 @@ obj-vdso := vgettimeofday.o note.o sigreturn.o
targets := $(obj-vdso) vdso.so vdso.so.dbg
obj-vdso := $(addprefix $(obj)/, $(obj-vdso))
+btildflags-$(CONFIG_ARM64_BTI_KERNEL) += -z force-bti
+
+# -Bsymbolic has been added for consistency with arm, the compat vDSO and
+# potential future proofing if we end up with internal calls to the exported
+# routines, as x86 does (see 6f121e548f83 ("x86, vdso: Reimplement vdso.so
+# preparation in build-time C")).
ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \
- --build-id -n -T
+ -Bsymbolic --eh-frame-hdr --build-id -n $(btildflags-y) -T
ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18
ccflags-y += -DDISABLE_BRANCH_PROFILING
-VDSO_LDFLAGS := -Bsymbolic
-
-CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os
+CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) -Os $(CC_FLAGS_SCS)
KBUILD_CFLAGS += $(DISABLE_LTO)
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
OBJECT_FILES_NON_STANDARD := y
KCOV_INSTRUMENT := n
-CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny
+CFLAGS_vgettimeofday.o = -O2 -mcmodel=tiny -fasynchronous-unwind-tables
ifneq ($(c-gettimeofday-y),)
CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y)
diff --git a/arch/arm64/kernel/vdso/note.S b/arch/arm64/kernel/vdso/note.S
index 0ce6ec75a525..3d4e82290c80 100644
--- a/arch/arm64/kernel/vdso/note.S
+++ b/arch/arm64/kernel/vdso/note.S
@@ -12,9 +12,12 @@
#include <linux/version.h>
#include <linux/elfnote.h>
#include <linux/build-salt.h>
+#include <asm/assembler.h>
ELFNOTE_START(Linux, 0, "a")
.long LINUX_VERSION_CODE
ELFNOTE_END
BUILD_SALT
+
+emit_aarch64_feature_1_and
diff --git a/arch/arm64/kernel/vdso/sigreturn.S b/arch/arm64/kernel/vdso/sigreturn.S
index 12324863d5c2..620a3ef837b7 100644
--- a/arch/arm64/kernel/vdso/sigreturn.S
+++ b/arch/arm64/kernel/vdso/sigreturn.S
@@ -1,7 +1,11 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Sigreturn trampoline for returning from a signal when the SA_RESTORER
- * flag is not set.
+ * flag is not set. It serves primarily as a hall of shame for crappy
+ * unwinders and features an exciting but mysterious NOP instruction.
+ *
+ * It's also fragile as hell, so please think twice before changing anything
+ * in here.
*
* Copyright (C) 2012 ARM Limited
*
@@ -9,18 +13,54 @@
*/
#include <linux/linkage.h>
+#include <asm/assembler.h>
#include <asm/unistd.h>
.text
- nop
-SYM_FUNC_START(__kernel_rt_sigreturn)
+/* Ensure that the mysterious NOP can be associated with a function. */
.cfi_startproc
+
+/*
+ * .cfi_signal_frame causes the corresponding Frame Description Entry in the
+ * .eh_frame section to be annotated as a signal frame. This allows DWARF
+ * unwinders (e.g. libstdc++) to implement _Unwind_GetIPInfo(), which permits
+ * unwinding out of the signal trampoline without the need for the mysterious
+ * NOP.
+ */
.cfi_signal_frame
- .cfi_def_cfa x29, 0
- .cfi_offset x29, 0 * 8
- .cfi_offset x30, 1 * 8
+
+/*
+ * Tell the unwinder where to locate the frame record linking back to the
+ * interrupted context. We don't provide unwind info for registers other
+ * than the frame pointer and the link register here; in practice, this
+ * is sufficient for unwinding in C/C++ based runtimes and the values in
+ * the sigcontext may have been modified by this point anyway. Debuggers
+ * already have baked-in strategies for attempting to unwind out of signals.
+ */
+ .cfi_def_cfa x29, 0
+ .cfi_offset x29, 0 * 8
+ .cfi_offset x30, 1 * 8
+
+/*
+ * This mysterious NOP is required for some unwinders (e.g. libc++) that
+ * unconditionally subtract one from the result of _Unwind_GetIP() in order to
+ * identify the calling function.
+ * Hack borrowed from arch/powerpc/kernel/vdso64/sigtramp.S.
+ */
+ nop // Mysterious NOP
+
+/*
+ * GDB relies on being able to identify the sigreturn instruction sequence to
+ * unwind from signal handlers. We cannot, therefore, use SYM_FUNC_START()
+ * here, as it will emit a BTI C instruction and break the unwinder. Thankfully,
+ * this function is only ever called from a RET and so omitting the landing pad
+ * is perfectly fine.
+ */
+SYM_CODE_START(__kernel_rt_sigreturn)
mov x8, #__NR_rt_sigreturn
svc #0
.cfi_endproc
-SYM_FUNC_END(__kernel_rt_sigreturn)
+SYM_CODE_END(__kernel_rt_sigreturn)
+
+emit_aarch64_feature_1_and
diff --git a/arch/arm64/kernel/vdso/vdso.S b/arch/arm64/kernel/vdso/vdso.S
index d1414fee5274..c4b1990bf2be 100644
--- a/arch/arm64/kernel/vdso/vdso.S
+++ b/arch/arm64/kernel/vdso/vdso.S
@@ -8,6 +8,7 @@
#include <linux/init.h>
#include <linux/linkage.h>
#include <linux/const.h>
+#include <asm/assembler.h>
#include <asm/page.h>
.globl vdso_start, vdso_end
@@ -19,3 +20,5 @@ vdso_start:
vdso_end:
.previous
+
+emit_aarch64_feature_1_and
diff --git a/arch/arm64/kernel/vdso32/sigreturn.S b/arch/arm64/kernel/vdso32/sigreturn.S
index 620524969696..b0091064c3d6 100644
--- a/arch/arm64/kernel/vdso32/sigreturn.S
+++ b/arch/arm64/kernel/vdso32/sigreturn.S
@@ -3,6 +3,9 @@
* This file provides both A32 and T32 versions, in accordance with the
* arm sigreturn code.
*
+ * Please read the comments in arch/arm64/kernel/vdso/sigreturn.S to
+ * understand some of the craziness in here.
+ *
* Copyright (C) 2018 ARM Limited
*/
@@ -17,39 +20,39 @@
.save {r0-r15}
.pad #COMPAT_SIGFRAME_REGS_OFFSET
nop
-SYM_FUNC_START(__kernel_sigreturn_arm)
+SYM_CODE_START(__kernel_sigreturn_arm)
mov r7, #__NR_compat_sigreturn
svc #0
.fnend
-SYM_FUNC_END(__kernel_sigreturn_arm)
+SYM_CODE_END(__kernel_sigreturn_arm)
.fnstart
.save {r0-r15}
.pad #COMPAT_RT_SIGFRAME_REGS_OFFSET
nop
-SYM_FUNC_START(__kernel_rt_sigreturn_arm)
+SYM_CODE_START(__kernel_rt_sigreturn_arm)
mov r7, #__NR_compat_rt_sigreturn
svc #0
.fnend
-SYM_FUNC_END(__kernel_rt_sigreturn_arm)
+SYM_CODE_END(__kernel_rt_sigreturn_arm)
.thumb
.fnstart
.save {r0-r15}
.pad #COMPAT_SIGFRAME_REGS_OFFSET
nop
-SYM_FUNC_START(__kernel_sigreturn_thumb)
+SYM_CODE_START(__kernel_sigreturn_thumb)
mov r7, #__NR_compat_sigreturn
svc #0
.fnend
-SYM_FUNC_END(__kernel_sigreturn_thumb)
+SYM_CODE_END(__kernel_sigreturn_thumb)
.fnstart
.save {r0-r15}
.pad #COMPAT_RT_SIGFRAME_REGS_OFFSET
nop
-SYM_FUNC_START(__kernel_rt_sigreturn_thumb)
+SYM_CODE_START(__kernel_rt_sigreturn_thumb)
mov r7, #__NR_compat_rt_sigreturn
svc #0
.fnend
-SYM_FUNC_END(__kernel_rt_sigreturn_thumb)
+SYM_CODE_END(__kernel_rt_sigreturn_thumb)
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 497f9675071d..3be632177631 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -17,10 +17,6 @@
#include "image.h"
-/* .exit.text needed in case of alternative patching */
-#define ARM_EXIT_KEEP(x) x
-#define ARM_EXIT_DISCARD(x)
-
OUTPUT_ARCH(aarch64)
ENTRY(_text)
@@ -72,8 +68,8 @@ jiffies = jiffies_64;
/*
* The size of the PE/COFF section that covers the kernel image, which
- * runs from stext to _edata, must be a round multiple of the PE/COFF
- * FileAlignment, which we set to its minimum value of 0x200. 'stext'
+ * runs from _stext to _edata, must be a round multiple of the PE/COFF
+ * FileAlignment, which we set to its minimum value of 0x200. '_stext'
* itself is 4 KB aligned, so padding out _edata to a 0x200 aligned
* boundary should be sufficient.
*/
@@ -95,8 +91,6 @@ SECTIONS
* order of matching.
*/
/DISCARD/ : {
- ARM_EXIT_DISCARD(EXIT_TEXT)
- ARM_EXIT_DISCARD(EXIT_DATA)
EXIT_CALL
*(.discard)
*(.discard.*)
@@ -139,6 +133,7 @@ SECTIONS
idmap_pg_dir = .;
. += IDMAP_DIR_SIZE;
+ idmap_pg_end = .;
#ifdef CONFIG_UNMAP_KERNEL_AT_EL0
tramp_pg_dir = .;
@@ -161,7 +156,7 @@ SECTIONS
__exittext_begin = .;
.exit.text : {
- ARM_EXIT_KEEP(EXIT_TEXT)
+ EXIT_TEXT
}
__exittext_end = .;
@@ -175,7 +170,7 @@ SECTIONS
*(.altinstr_replacement)
}
- . = ALIGN(PAGE_SIZE);
+ . = ALIGN(SEGMENT_ALIGN);
__inittext_end = .;
__initdata_begin = .;
@@ -188,7 +183,7 @@ SECTIONS
*(.init.rodata.* .init.bss) /* from the EFI stub */
}
.exit.data : {
- ARM_EXIT_KEEP(EXIT_DATA)
+ EXIT_DATA
}
PERCPU_SECTION(L1_CACHE_BYTES)
@@ -246,6 +241,7 @@ SECTIONS
. += INIT_DIR_SIZE;
init_pg_end = .;
+ . = ALIGN(SEGMENT_ALIGN);
__pecoff_data_size = ABSOLUTE(. - __initdata_begin);
_end = .;
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 449386d76441..f1c1f981482c 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -3,7 +3,6 @@
# KVM configuration
#
-source "virt/kvm/Kconfig"
source "virt/lib/Kconfig"
menuconfig VIRTUALIZATION
@@ -18,7 +17,7 @@ menuconfig VIRTUALIZATION
if VIRTUALIZATION
-config KVM
+menuconfig KVM
bool "Kernel-based Virtual Machine (KVM) support"
depends on OF
# for TASKSTATS/TASK_DELAY_ACCT:
@@ -28,13 +27,11 @@ config KVM
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
- select KVM_ARM_HOST
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select SRCU
select KVM_VFIO
select HAVE_KVM_EVENTFD
select HAVE_KVM_IRQFD
- select KVM_ARM_PMU if HW_PERF_EVENTS
select HAVE_KVM_MSI
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQ_ROUTING
@@ -45,23 +42,24 @@ config KVM
select TASK_DELAY_ACCT
---help---
Support hosting virtualized guest machines.
- We don't support KVM with 16K page tables yet, due to the multiple
- levels of fake page tables.
If unsure, say N.
-config KVM_ARM_HOST
- bool
- ---help---
- Provides host support for ARM processors.
+if KVM
+
+source "virt/kvm/Kconfig"
config KVM_ARM_PMU
- bool
+ bool "Virtual Performance Monitoring Unit (PMU) support"
+ depends on HW_PERF_EVENTS
+ default y
---help---
Adds support for a virtual Performance Monitoring Unit (PMU) in
virtual machines.
config KVM_INDIRECT_VECTORS
- def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS)
+ def_bool HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS
+
+endif # KVM
endif # VIRTUALIZATION
diff --git a/arch/arm64/kvm/Makefile b/arch/arm64/kvm/Makefile
index 5ffbdc39e780..8d3d9513cbfe 100644
--- a/arch/arm64/kvm/Makefile
+++ b/arch/arm64/kvm/Makefile
@@ -3,37 +3,25 @@
# Makefile for Kernel-based Virtual Machine module
#
-ccflags-y += -I $(srctree)/$(src) -I $(srctree)/virt/kvm/arm/vgic
+ccflags-y += -I $(srctree)/$(src)
KVM=../../../virt/kvm
-obj-$(CONFIG_KVM_ARM_HOST) += kvm.o
-obj-$(CONFIG_KVM_ARM_HOST) += hyp/
+obj-$(CONFIG_KVM) += kvm.o
+obj-$(CONFIG_KVM) += hyp/
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o $(KVM)/vfio.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/arm.o $(KVM)/arm/mmu.o $(KVM)/arm/mmio.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/psci.o $(KVM)/arm/perf.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hypercalls.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/pvtime.o
+kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
+ $(KVM)/vfio.o $(KVM)/irqchip.o \
+ arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
+ inject_fault.o regmap.o va_layout.o hyp.o hyp-init.o handle_exit.o \
+ guest.o debug.o reset.o sys_regs.o sys_regs_generic_v8.o \
+ vgic-sys-reg-v3.o fpsimd.o pmu.o \
+ aarch32.o arch_timer.o \
+ vgic/vgic.o vgic/vgic-init.o \
+ vgic/vgic-irqfd.o vgic/vgic-v2.o \
+ vgic/vgic-v3.o vgic/vgic-v4.o \
+ vgic/vgic-mmio.o vgic/vgic-mmio-v2.o \
+ vgic/vgic-mmio-v3.o vgic/vgic-kvm-device.o \
+ vgic/vgic-its.o vgic/vgic-debug.o
-kvm-$(CONFIG_KVM_ARM_HOST) += inject_fault.o regmap.o va_layout.o
-kvm-$(CONFIG_KVM_ARM_HOST) += hyp.o hyp-init.o handle_exit.o
-kvm-$(CONFIG_KVM_ARM_HOST) += guest.o debug.o reset.o sys_regs.o sys_regs_generic_v8.o
-kvm-$(CONFIG_KVM_ARM_HOST) += vgic-sys-reg-v3.o fpsimd.o pmu.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/aarch32.o
-
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-init.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-irqfd.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-v2.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-v3.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-v4.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-mmio.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-mmio-v2.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-mmio-v3.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-kvm-device.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-its.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/vgic/vgic-debug.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/irqchip.o
-kvm-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/arch_timer.o
-kvm-$(CONFIG_KVM_ARM_PMU) += $(KVM)/arm/pmu.o
+kvm-$(CONFIG_KVM_ARM_PMU) += pmu-emul.o
diff --git a/virt/kvm/arm/aarch32.c b/arch/arm64/kvm/aarch32.c
index 0a356aa91aa1..0a356aa91aa1 100644
--- a/virt/kvm/arm/aarch32.c
+++ b/arch/arm64/kvm/aarch32.c
diff --git a/virt/kvm/arm/arch_timer.c b/arch/arm64/kvm/arch_timer.c
index 93bd59b46848..a1fe0ea3254e 100644
--- a/virt/kvm/arm/arch_timer.c
+++ b/arch/arm64/kvm/arch_timer.c
@@ -451,17 +451,7 @@ out:
static void set_cntvoff(u64 cntvoff)
{
- u32 low = lower_32_bits(cntvoff);
- u32 high = upper_32_bits(cntvoff);
-
- /*
- * Since kvm_call_hyp doesn't fully support the ARM PCS especially on
- * 32-bit systems, but rather passes register by register shifted one
- * place (we put the function address in r0/x0), we cannot simply pass
- * a 64-bit value as an argument, but have to split the value in two
- * 32-bit halves.
- */
- kvm_call_hyp(__kvm_timer_set_cntvoff, low, high);
+ kvm_call_hyp(__kvm_timer_set_cntvoff, cntvoff);
}
static inline void set_timer_irq_phys_active(struct arch_timer_context *ctx, bool active)
@@ -571,6 +561,7 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu)
{
struct arch_timer_cpu *timer = vcpu_timer(vcpu);
struct timer_map map;
+ struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu);
if (unlikely(!timer->enabled))
return;
@@ -593,7 +584,7 @@ void kvm_timer_vcpu_put(struct kvm_vcpu *vcpu)
if (map.emul_ptimer)
soft_timer_cancel(&map.emul_ptimer->hrtimer);
- if (swait_active(kvm_arch_vcpu_wq(vcpu)))
+ if (rcuwait_active(wait))
kvm_timer_blocking(vcpu);
/*
diff --git a/virt/kvm/arm/arm.c b/arch/arm64/kvm/arm.c
index 48d0ec44ad77..7a57381c05e8 100644
--- a/virt/kvm/arm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -22,7 +22,7 @@
#include <trace/events/kvm.h>
#define CREATE_TRACE_POINTS
-#include "trace.h"
+#include "trace_arm.h"
#include <linux/uaccess.h>
#include <asm/ptrace.h>
@@ -95,6 +95,11 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
return r;
}
+static int kvm_arm_default_max_vcpus(void)
+{
+ return vgic_present ? kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS;
+}
+
/**
* kvm_arch_init_vm - initializes a VM data structure
* @kvm: pointer to the KVM struct
@@ -128,8 +133,7 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
kvm->arch.vmid.vmid_gen = 0;
/* The maximum number of VCPUs is limited by the host's GIC model */
- kvm->arch.max_vcpus = vgic_present ?
- kvm_vgic_get_max_vcpus() : KVM_MAX_VCPUS;
+ kvm->arch.max_vcpus = kvm_arm_default_max_vcpus();
return ret;
out_free_stage2_pgd:
@@ -204,10 +208,11 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = num_online_cpus();
break;
case KVM_CAP_MAX_VCPUS:
- r = KVM_MAX_VCPUS;
- break;
case KVM_CAP_MAX_VCPU_ID:
- r = KVM_MAX_VCPU_ID;
+ if (kvm)
+ r = kvm->arch.max_vcpus;
+ else
+ r = kvm_arm_default_max_vcpus();
break;
case KVM_CAP_MSI_DEVID:
if (!kvm)
@@ -455,9 +460,9 @@ void force_vm_exit(const cpumask_t *mask)
*
* The hardware supports a limited set of values with the value zero reserved
* for the host, so we check if an assigned value belongs to a previous
- * generation, which which requires us to assign a new value. If we're the
- * first to use a VMID for the new generation, we must flush necessary caches
- * and TLBs on all CPUs.
+ * generation, which requires us to assign a new value. If we're the first to
+ * use a VMID for the new generation, we must flush necessary caches and TLBs
+ * on all CPUs.
*/
static bool need_new_vmid_gen(struct kvm_vmid *vmid)
{
@@ -579,16 +584,17 @@ void kvm_arm_resume_guest(struct kvm *kvm)
kvm_for_each_vcpu(i, vcpu, kvm) {
vcpu->arch.pause = false;
- swake_up_one(kvm_arch_vcpu_wq(vcpu));
+ rcuwait_wake_up(kvm_arch_vcpu_get_wait(vcpu));
}
}
static void vcpu_req_sleep(struct kvm_vcpu *vcpu)
{
- struct swait_queue_head *wq = kvm_arch_vcpu_wq(vcpu);
+ struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu);
- swait_event_interruptible_exclusive(*wq, ((!vcpu->arch.power_off) &&
- (!vcpu->arch.pause)));
+ rcuwait_wait_event(wait,
+ (!vcpu->arch.power_off) &&(!vcpu->arch.pause),
+ TASK_INTERRUPTIBLE);
if (vcpu->arch.power_off || vcpu->arch.pause) {
/* Awaken to handle a signal, request we sleep again later. */
@@ -639,7 +645,6 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu)
/**
* kvm_arch_vcpu_ioctl_run - the main VCPU run function to execute guest code
* @vcpu: The VCPU pointer
- * @run: The kvm_run structure pointer used for userspace state exchange
*
* This function is called through the VCPU_RUN ioctl called from user space. It
* will execute VM code in a loop until the time slice for the process is used
@@ -647,8 +652,9 @@ static void check_vcpu_requests(struct kvm_vcpu *vcpu)
* return with return value 0 and with the kvm_run structure filled in with the
* required data for the requested emulation.
*/
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
int ret;
if (unlikely(!kvm_vcpu_initialized(vcpu)))
@@ -659,7 +665,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
return ret;
if (run->exit_reason == KVM_EXIT_MMIO) {
- ret = kvm_handle_mmio_return(vcpu, vcpu->run);
+ ret = kvm_handle_mmio_return(vcpu, run);
if (ret)
return ret;
}
@@ -983,8 +989,11 @@ static int kvm_arch_vcpu_ioctl_vcpu_init(struct kvm_vcpu *vcpu,
/*
* Ensure a rebooted VM will fault in RAM pages and detect if the
* guest MMU is turned off and flush the caches as needed.
+ *
+ * S2FWB enforces all memory accesses to RAM being cacheable, we
+ * ensure that the cache is always coherent.
*/
- if (vcpu->arch.has_run_once)
+ if (vcpu->arch.has_run_once && !cpus_have_const_cap(ARM64_HAS_STAGE2_FWB))
stage2_unmap_vm(vcpu->kvm);
vcpu_reset_hcr(vcpu);
@@ -1265,19 +1274,41 @@ static void cpu_init_hyp_mode(void)
{
phys_addr_t pgd_ptr;
unsigned long hyp_stack_ptr;
- unsigned long stack_page;
unsigned long vector_ptr;
+ unsigned long tpidr_el2;
/* Switch from the HYP stub to our own HYP init vector */
__hyp_set_vectors(kvm_get_idmap_vector());
+ /*
+ * Calculate the raw per-cpu offset without a translation from the
+ * kernel's mapping to the linear mapping, and store it in tpidr_el2
+ * so that we can use adr_l to access per-cpu variables in EL2.
+ */
+ tpidr_el2 = ((unsigned long)this_cpu_ptr(&kvm_host_data) -
+ (unsigned long)kvm_ksym_ref(kvm_host_data));
+
pgd_ptr = kvm_mmu_get_httbr();
- stack_page = __this_cpu_read(kvm_arm_hyp_stack_page);
- hyp_stack_ptr = stack_page + PAGE_SIZE;
+ hyp_stack_ptr = __this_cpu_read(kvm_arm_hyp_stack_page) + PAGE_SIZE;
vector_ptr = (unsigned long)kvm_get_hyp_vector();
- __cpu_init_hyp_mode(pgd_ptr, hyp_stack_ptr, vector_ptr);
- __cpu_init_stage2();
+ /*
+ * Call initialization code, and switch to the full blown HYP code.
+ * If the cpucaps haven't been finalized yet, something has gone very
+ * wrong, and hyp will crash and burn when it uses any
+ * cpus_have_const_cap() wrapper.
+ */
+ BUG_ON(!system_capabilities_finalized());
+ __kvm_call_hyp((void *)pgd_ptr, hyp_stack_ptr, vector_ptr, tpidr_el2);
+
+ /*
+ * Disabling SSBD on a non-VHE system requires us to enable SSBS
+ * at EL2.
+ */
+ if (this_cpu_has_cap(ARM64_SSBS) &&
+ arm64_get_ssbd_state() == ARM64_SSBD_FORCE_DISABLE) {
+ kvm_call_hyp(__kvm_enable_ssbs);
+ }
}
static void cpu_hyp_reset(void)
@@ -1387,9 +1418,7 @@ static inline void hyp_cpu_pm_exit(void)
static int init_common_resources(void)
{
- kvm_set_ipa_limit();
-
- return 0;
+ return kvm_set_ipa_limit();
}
static int init_subsystems(void)
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index 23ebe51410f0..aea43ec60f37 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -29,20 +29,19 @@
#include "trace.h"
-#define VM_STAT(x) { #x, offsetof(struct kvm, stat.x), KVM_STAT_VM }
-#define VCPU_STAT(x) { #x, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU }
-
struct kvm_stats_debugfs_item debugfs_entries[] = {
- VCPU_STAT(halt_successful_poll),
- VCPU_STAT(halt_attempted_poll),
- VCPU_STAT(halt_poll_invalid),
- VCPU_STAT(halt_wakeup),
- VCPU_STAT(hvc_exit_stat),
- VCPU_STAT(wfe_exit_stat),
- VCPU_STAT(wfi_exit_stat),
- VCPU_STAT(mmio_exit_user),
- VCPU_STAT(mmio_exit_kernel),
- VCPU_STAT(exits),
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("hvc_exit_stat", hvc_exit_stat),
+ VCPU_STAT("wfe_exit_stat", wfe_exit_stat),
+ VCPU_STAT("wfi_exit_stat", wfi_exit_stat),
+ VCPU_STAT("mmio_exit_user", mmio_exit_user),
+ VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel),
+ VCPU_STAT("exits", exits),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
{ NULL }
};
@@ -200,6 +199,13 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
}
memcpy((u32 *)regs + off, valp, KVM_REG_SIZE(reg->id));
+
+ if (*vcpu_cpsr(vcpu) & PSR_MODE32_BIT) {
+ int i;
+
+ for (i = 0; i < 16; i++)
+ *vcpu_reg32(vcpu, i) = (u32)*vcpu_reg32(vcpu, i);
+ }
out:
return err;
}
@@ -260,7 +266,7 @@ static int set_sve_vls(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
/*
* Vector lengths supported by the host can't currently be
* hidden from the guest individually: instead we can only set a
- * maxmium via ZCR_EL2.LEN. So, make sure the available vector
+ * maximum via ZCR_EL2.LEN. So, make sure the available vector
* lengths match the set requested exactly up to the requested
* maximum:
*/
@@ -330,7 +336,7 @@ static int sve_reg_to_region(struct sve_state_reg_region *region,
unsigned int reg_num;
unsigned int reqoffset, reqlen; /* User-requested offset and length */
- unsigned int maxlen; /* Maxmimum permitted length */
+ unsigned int maxlen; /* Maximum permitted length */
size_t sve_state_size;
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index aacfc55de44c..eb194696ef62 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -23,7 +23,7 @@
#include <kvm/arm_hypercalls.h>
#define CREATE_TRACE_POINTS
-#include "trace.h"
+#include "trace_handle_exit.h"
typedef int (*exit_handle_fn)(struct kvm_vcpu *, struct kvm_run *);
diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
index ea710f674cb6..8c9880783839 100644
--- a/arch/arm64/kvm/hyp/Makefile
+++ b/arch/arm64/kvm/hyp/Makefile
@@ -6,20 +6,10 @@
ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING \
$(DISABLE_STACKLEAK_PLUGIN)
-KVM=../../../../virt/kvm
+obj-$(CONFIG_KVM) += hyp.o
-obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v3-sr.o
-obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/timer-sr.o
-obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/aarch32.o
-
-obj-$(CONFIG_KVM_ARM_HOST) += vgic-v2-cpuif-proxy.o
-obj-$(CONFIG_KVM_ARM_HOST) += sysreg-sr.o
-obj-$(CONFIG_KVM_ARM_HOST) += debug-sr.o
-obj-$(CONFIG_KVM_ARM_HOST) += entry.o
-obj-$(CONFIG_KVM_ARM_HOST) += switch.o
-obj-$(CONFIG_KVM_ARM_HOST) += fpsimd.o
-obj-$(CONFIG_KVM_ARM_HOST) += tlb.o
-obj-$(CONFIG_KVM_ARM_HOST) += hyp-entry.o
+hyp-y := vgic-v3-sr.o timer-sr.o aarch32.o vgic-v2-cpuif-proxy.o sysreg-sr.o \
+ debug-sr.o entry.o switch.o fpsimd.o tlb.o hyp-entry.o
# KVM code is run at a different exception code with a different map, so
# compiler instrumentation that inserts callbacks or checks into the code may
diff --git a/virt/kvm/arm/hyp/aarch32.c b/arch/arm64/kvm/hyp/aarch32.c
index d31f267961e7..25c0e47d57cb 100644
--- a/virt/kvm/arm/hyp/aarch32.c
+++ b/arch/arm64/kvm/hyp/aarch32.c
@@ -125,12 +125,16 @@ static void __hyp_text kvm_adjust_itstate(struct kvm_vcpu *vcpu)
*/
void __hyp_text kvm_skip_instr32(struct kvm_vcpu *vcpu, bool is_wide_instr)
{
+ u32 pc = *vcpu_pc(vcpu);
bool is_thumb;
is_thumb = !!(*vcpu_cpsr(vcpu) & PSR_AA32_T_BIT);
if (is_thumb && !is_wide_instr)
- *vcpu_pc(vcpu) += 2;
+ pc += 2;
else
- *vcpu_pc(vcpu) += 4;
+ pc += 4;
+
+ *vcpu_pc(vcpu) = pc;
+
kvm_adjust_itstate(vcpu);
}
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S
index d22d0534dd60..90186cf6473e 100644
--- a/arch/arm64/kvm/hyp/entry.S
+++ b/arch/arm64/kvm/hyp/entry.S
@@ -18,6 +18,7 @@
#define CPU_GP_REG_OFFSET(x) (CPU_GP_REGS + x)
#define CPU_XREG_OFFSET(x) CPU_GP_REG_OFFSET(CPU_USER_PT_REGS + 8*x)
+#define CPU_SP_EL0_OFFSET (CPU_XREG_OFFSET(30) + 8)
.text
.pushsection .hyp.text, "ax"
@@ -47,6 +48,16 @@
ldp x29, lr, [\ctxt, #CPU_XREG_OFFSET(29)]
.endm
+.macro save_sp_el0 ctxt, tmp
+ mrs \tmp, sp_el0
+ str \tmp, [\ctxt, #CPU_SP_EL0_OFFSET]
+.endm
+
+.macro restore_sp_el0 ctxt, tmp
+ ldr \tmp, [\ctxt, #CPU_SP_EL0_OFFSET]
+ msr sp_el0, \tmp
+.endm
+
/*
* u64 __guest_enter(struct kvm_vcpu *vcpu,
* struct kvm_cpu_context *host_ctxt);
@@ -60,6 +71,9 @@ SYM_FUNC_START(__guest_enter)
// Store the host regs
save_callee_saved_regs x1
+ // Save the host's sp_el0
+ save_sp_el0 x1, x2
+
// Now the host state is stored if we have a pending RAS SError it must
// affect the host. If any asynchronous exception is pending we defer
// the guest entry. The DSB isn't necessary before v8.2 as any SError
@@ -83,6 +97,9 @@ alternative_else_nop_endif
// when this feature is enabled for kernel code.
ptrauth_switch_to_guest x29, x0, x1, x2
+ // Restore the guest's sp_el0
+ restore_sp_el0 x29, x0
+
// Restore guest regs x0-x17
ldp x0, x1, [x29, #CPU_XREG_OFFSET(0)]
ldp x2, x3, [x29, #CPU_XREG_OFFSET(2)]
@@ -130,6 +147,9 @@ SYM_INNER_LABEL(__guest_exit, SYM_L_GLOBAL)
// Store the guest regs x18-x29, lr
save_callee_saved_regs x1
+ // Store the guest's sp_el0
+ save_sp_el0 x1, x2
+
get_host_ctxt x2, x3
// Macro ptrauth_switch_to_guest format:
@@ -139,6 +159,9 @@ SYM_INNER_LABEL(__guest_exit, SYM_L_GLOBAL)
// when this feature is enabled for kernel code.
ptrauth_switch_to_host x1, x2, x3, x4, x5
+ // Restore the hosts's sp_el0
+ restore_sp_el0 x2, x3
+
// Now restore the host regs
restore_callee_saved_regs x2
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index c2a13ab3c471..9c5cfb04170e 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -198,7 +198,6 @@ SYM_CODE_END(__hyp_panic)
.macro invalid_vector label, target = __hyp_panic
.align 2
SYM_CODE_START(\label)
-\label:
b \target
SYM_CODE_END(\label)
.endm
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index 8a1e81a400e0..676b6585e5ae 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -138,7 +138,7 @@ static void __hyp_text __activate_traps_nvhe(struct kvm_vcpu *vcpu)
write_sysreg(val, cptr_el2);
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
struct kvm_cpu_context *ctxt = &vcpu->arch.ctxt;
isb();
@@ -181,7 +181,7 @@ static void deactivate_traps_vhe(void)
* above before we can switch to the EL2/EL0 translation regime used by
* the host.
*/
- asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT_VHE));
+ asm(ALTERNATIVE("nop", "isb", ARM64_WORKAROUND_SPECULATIVE_AT));
write_sysreg(CPACR_EL1_DEFAULT, cpacr_el1);
write_sysreg(vectors, vbar_el1);
@@ -192,7 +192,7 @@ static void __hyp_text __deactivate_traps_nvhe(void)
{
u64 mdcr_el2 = read_sysreg(mdcr_el2);
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
u64 val;
/*
@@ -270,8 +270,8 @@ static void __hyp_text __deactivate_vm(struct kvm_vcpu *vcpu)
static void __hyp_text __hyp_vgic_save_state(struct kvm_vcpu *vcpu)
{
if (static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif)) {
- __vgic_v3_save_state(vcpu);
- __vgic_v3_deactivate_traps(vcpu);
+ __vgic_v3_save_state(&vcpu->arch.vgic_cpu.vgic_v3);
+ __vgic_v3_deactivate_traps(&vcpu->arch.vgic_cpu.vgic_v3);
}
}
@@ -279,8 +279,8 @@ static void __hyp_text __hyp_vgic_save_state(struct kvm_vcpu *vcpu)
static void __hyp_text __hyp_vgic_restore_state(struct kvm_vcpu *vcpu)
{
if (static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif)) {
- __vgic_v3_activate_traps(vcpu);
- __vgic_v3_restore_state(vcpu);
+ __vgic_v3_activate_traps(&vcpu->arch.vgic_cpu.vgic_v3);
+ __vgic_v3_restore_state(&vcpu->arch.vgic_cpu.vgic_v3);
}
}
diff --git a/arch/arm64/kvm/hyp/sysreg-sr.c b/arch/arm64/kvm/hyp/sysreg-sr.c
index 75b1925763f1..ea5d22fbdacf 100644
--- a/arch/arm64/kvm/hyp/sysreg-sr.c
+++ b/arch/arm64/kvm/hyp/sysreg-sr.c
@@ -15,8 +15,9 @@
/*
* Non-VHE: Both host and guest must save everything.
*
- * VHE: Host and guest must save mdscr_el1 and sp_el0 (and the PC and pstate,
- * which are handled as part of the el2 return state) on every switch.
+ * VHE: Host and guest must save mdscr_el1 and sp_el0 (and the PC and
+ * pstate, which are handled as part of the el2 return state) on every
+ * switch (sp_el0 is being dealt with in the assembly code).
* tpidr_el0 and tpidrro_el0 only need to be switched when going
* to host userspace or a different VCPU. EL1 registers only need to be
* switched when potentially going to run a different VCPU. The latter two
@@ -26,12 +27,6 @@
static void __hyp_text __sysreg_save_common_state(struct kvm_cpu_context *ctxt)
{
ctxt->sys_regs[MDSCR_EL1] = read_sysreg(mdscr_el1);
-
- /*
- * The host arm64 Linux uses sp_el0 to point to 'current' and it must
- * therefore be saved/restored on every entry/exit to/from the guest.
- */
- ctxt->gp_regs.regs.sp = read_sysreg(sp_el0);
}
static void __hyp_text __sysreg_save_user_state(struct kvm_cpu_context *ctxt)
@@ -99,12 +94,6 @@ NOKPROBE_SYMBOL(sysreg_save_guest_state_vhe);
static void __hyp_text __sysreg_restore_common_state(struct kvm_cpu_context *ctxt)
{
write_sysreg(ctxt->sys_regs[MDSCR_EL1], mdscr_el1);
-
- /*
- * The host arm64 Linux uses sp_el0 to point to 'current' and it must
- * therefore be saved/restored on every entry/exit to/from the guest.
- */
- write_sysreg(ctxt->gp_regs.regs.sp, sp_el0);
}
static void __hyp_text __sysreg_restore_user_state(struct kvm_cpu_context *ctxt)
@@ -118,7 +107,8 @@ static void __hyp_text __sysreg_restore_el1_state(struct kvm_cpu_context *ctxt)
write_sysreg(ctxt->sys_regs[MPIDR_EL1], vmpidr_el2);
write_sysreg(ctxt->sys_regs[CSSELR_EL1], csselr_el1);
- if (!cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE)) {
+ if (has_vhe() ||
+ !cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
write_sysreg_el1(ctxt->sys_regs[SCTLR_EL1], SYS_SCTLR);
write_sysreg_el1(ctxt->sys_regs[TCR_EL1], SYS_TCR);
} else if (!ctxt->__hyp_running_vcpu) {
@@ -149,7 +139,8 @@ static void __hyp_text __sysreg_restore_el1_state(struct kvm_cpu_context *ctxt)
write_sysreg(ctxt->sys_regs[PAR_EL1], par_el1);
write_sysreg(ctxt->sys_regs[TPIDR_EL1], tpidr_el1);
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE) &&
+ if (!has_vhe() &&
+ cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT) &&
ctxt->__hyp_running_vcpu) {
/*
* Must only be done for host registers, hence the context
diff --git a/virt/kvm/arm/hyp/timer-sr.c b/arch/arm64/kvm/hyp/timer-sr.c
index ff76e6845fe4..fb5c0be33223 100644
--- a/virt/kvm/arm/hyp/timer-sr.c
+++ b/arch/arm64/kvm/hyp/timer-sr.c
@@ -10,9 +10,8 @@
#include <asm/kvm_hyp.h>
-void __hyp_text __kvm_timer_set_cntvoff(u32 cntvoff_low, u32 cntvoff_high)
+void __hyp_text __kvm_timer_set_cntvoff(u64 cntvoff)
{
- u64 cntvoff = (u64)cntvoff_high << 32 | cntvoff_low;
write_sysreg(cntvoff, cntvoff_el2);
}
diff --git a/arch/arm64/kvm/hyp/tlb.c b/arch/arm64/kvm/hyp/tlb.c
index ceaddbe4279f..d063a576d511 100644
--- a/arch/arm64/kvm/hyp/tlb.c
+++ b/arch/arm64/kvm/hyp/tlb.c
@@ -23,7 +23,7 @@ static void __hyp_text __tlb_switch_to_guest_vhe(struct kvm *kvm,
local_irq_save(cxt->flags);
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_VHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
/*
* For CPUs that are affected by ARM errata 1165522 or 1530923,
* we cannot trust stage-1 to be in a correct state at that
@@ -63,7 +63,7 @@ static void __hyp_text __tlb_switch_to_guest_vhe(struct kvm *kvm,
static void __hyp_text __tlb_switch_to_guest_nvhe(struct kvm *kvm,
struct tlb_inv_context *cxt)
{
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
u64 val;
/*
@@ -79,8 +79,9 @@ static void __hyp_text __tlb_switch_to_guest_nvhe(struct kvm *kvm,
isb();
}
+ /* __load_guest_stage2() includes an ISB for the workaround. */
__load_guest_stage2(kvm);
- isb();
+ asm(ALTERNATIVE("isb", "nop", ARM64_WORKAROUND_SPECULATIVE_AT));
}
static void __hyp_text __tlb_switch_to_guest(struct kvm *kvm,
@@ -103,7 +104,7 @@ static void __hyp_text __tlb_switch_to_host_vhe(struct kvm *kvm,
write_sysreg(HCR_HOST_VHE_FLAGS, hcr_el2);
isb();
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_VHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
/* Restore the registers to what they were */
write_sysreg_el1(cxt->tcr, SYS_TCR);
write_sysreg_el1(cxt->sctlr, SYS_SCTLR);
@@ -117,7 +118,7 @@ static void __hyp_text __tlb_switch_to_host_nvhe(struct kvm *kvm,
{
write_sysreg(0, vttbr_el2);
- if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT_NVHE)) {
+ if (cpus_have_final_cap(ARM64_WORKAROUND_SPECULATIVE_AT)) {
/* Ensure write of the host VMID */
isb();
/* Restore the host's TCR_EL1 */
diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index ccf1fde9836c..10ed539835c1 100644
--- a/virt/kvm/arm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -194,10 +194,9 @@ static u32 __hyp_text __vgic_v3_read_ap1rn(int n)
return val;
}
-void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_save_state(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
- u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 used_lrs = cpu_if->used_lrs;
/*
* Make sure stores to the GIC via the memory mapped interface
@@ -230,10 +229,9 @@ void __hyp_text __vgic_v3_save_state(struct kvm_vcpu *vcpu)
}
}
-void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_restore_state(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
- u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 used_lrs = cpu_if->used_lrs;
int i;
if (used_lrs || cpu_if->its_vpe.its_vm) {
@@ -257,10 +255,8 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
}
}
-void __hyp_text __vgic_v3_activate_traps(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_activate_traps(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
-
/*
* VFIQEn is RES1 if ICC_SRE_EL1.SRE is 1. This causes a
* Group0 interrupt (as generated in GICv2 mode) to be
@@ -306,9 +302,8 @@ void __hyp_text __vgic_v3_activate_traps(struct kvm_vcpu *vcpu)
write_gicreg(cpu_if->vgic_hcr, ICH_HCR_EL2);
}
-void __hyp_text __vgic_v3_deactivate_traps(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_deactivate_traps(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
u64 val;
if (!cpu_if->vgic_sre) {
@@ -333,15 +328,11 @@ void __hyp_text __vgic_v3_deactivate_traps(struct kvm_vcpu *vcpu)
write_gicreg(0, ICH_HCR_EL2);
}
-void __hyp_text __vgic_v3_save_aprs(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_save_aprs(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if;
u64 val;
u32 nr_pre_bits;
- vcpu = kern_hyp_va(vcpu);
- cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
-
val = read_gicreg(ICH_VTR_EL2);
nr_pre_bits = vtr_to_nr_pre_bits(val);
@@ -370,15 +361,11 @@ void __hyp_text __vgic_v3_save_aprs(struct kvm_vcpu *vcpu)
}
}
-void __hyp_text __vgic_v3_restore_aprs(struct kvm_vcpu *vcpu)
+void __hyp_text __vgic_v3_restore_aprs(struct vgic_v3_cpu_if *cpu_if)
{
- struct vgic_v3_cpu_if *cpu_if;
u64 val;
u32 nr_pre_bits;
- vcpu = kern_hyp_va(vcpu);
- cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
-
val = read_gicreg(ICH_VTR_EL2);
nr_pre_bits = vtr_to_nr_pre_bits(val);
@@ -431,8 +418,6 @@ void __hyp_text __vgic_v3_write_vmcr(u32 vmcr)
write_gicreg(vmcr, ICH_VMCR_EL2);
}
-#ifdef CONFIG_ARM64
-
static int __hyp_text __vgic_v3_bpr_min(void)
{
/* See Pseudocode for VPriorityGroup */
@@ -453,7 +438,7 @@ static int __hyp_text __vgic_v3_highest_priority_lr(struct kvm_vcpu *vcpu,
u32 vmcr,
u64 *lr_val)
{
- unsigned int used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ unsigned int used_lrs = vcpu->arch.vgic_cpu.vgic_v3.used_lrs;
u8 priority = GICv3_IDLE_PRIORITY;
int i, lr = -1;
@@ -492,7 +477,7 @@ static int __hyp_text __vgic_v3_highest_priority_lr(struct kvm_vcpu *vcpu,
static int __hyp_text __vgic_v3_find_active_lr(struct kvm_vcpu *vcpu,
int intid, u64 *lr_val)
{
- unsigned int used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ unsigned int used_lrs = vcpu->arch.vgic_cpu.vgic_v3.used_lrs;
int i;
for (i = 0; i < used_lrs; i++) {
@@ -579,7 +564,7 @@ static u8 __hyp_text __vgic_v3_pri_to_pre(u8 pri, u32 vmcr, int grp)
/*
* The priority value is independent of any of the BPR values, so we
- * normalize it using the minumal BPR value. This guarantees that no
+ * normalize it using the minimal BPR value. This guarantees that no
* matter what the guest does with its BPR, we can always set/get the
* same value of a priority.
*/
@@ -1126,5 +1111,3 @@ int __hyp_text __vgic_v3_perform_cpuif_access(struct kvm_vcpu *vcpu)
return 1;
}
-
-#endif
diff --git a/virt/kvm/arm/hypercalls.c b/arch/arm64/kvm/hypercalls.c
index 550dfa3e53cd..550dfa3e53cd 100644
--- a/virt/kvm/arm/hypercalls.c
+++ b/arch/arm64/kvm/hypercalls.c
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index 6aafc2825c1c..e21fdd93027a 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -26,28 +26,12 @@ enum exception_type {
except_type_serror = 0x180,
};
-static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type)
-{
- u64 exc_offset;
-
- switch (*vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT)) {
- case PSR_MODE_EL1t:
- exc_offset = CURRENT_EL_SP_EL0_VECTOR;
- break;
- case PSR_MODE_EL1h:
- exc_offset = CURRENT_EL_SP_ELx_VECTOR;
- break;
- case PSR_MODE_EL0t:
- exc_offset = LOWER_EL_AArch64_VECTOR;
- break;
- default:
- exc_offset = LOWER_EL_AArch32_VECTOR;
- }
-
- return vcpu_read_sys_reg(vcpu, VBAR_EL1) + exc_offset + type;
-}
-
/*
+ * This performs the exception entry at a given EL (@target_mode), stashing PC
+ * and PSTATE into ELR and SPSR respectively, and compute the new PC/PSTATE.
+ * The EL passed to this function *must* be a non-secure, privileged mode with
+ * bit 0 being set (PSTATE.SP == 1).
+ *
* When an exception is taken, most PSTATE fields are left unchanged in the
* handler. However, some are explicitly overridden (e.g. M[4:0]). Luckily all
* of the inherited bits have the same position in the AArch64/AArch32 SPSR_ELx
@@ -59,10 +43,35 @@ static u64 get_except_vector(struct kvm_vcpu *vcpu, enum exception_type type)
* Here we manipulate the fields in order of the AArch64 SPSR_ELx layout, from
* MSB to LSB.
*/
-static unsigned long get_except64_pstate(struct kvm_vcpu *vcpu)
+static void enter_exception64(struct kvm_vcpu *vcpu, unsigned long target_mode,
+ enum exception_type type)
{
- unsigned long sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);
- unsigned long old, new;
+ unsigned long sctlr, vbar, old, new, mode;
+ u64 exc_offset;
+
+ mode = *vcpu_cpsr(vcpu) & (PSR_MODE_MASK | PSR_MODE32_BIT);
+
+ if (mode == target_mode)
+ exc_offset = CURRENT_EL_SP_ELx_VECTOR;
+ else if ((mode | PSR_MODE_THREAD_BIT) == target_mode)
+ exc_offset = CURRENT_EL_SP_EL0_VECTOR;
+ else if (!(mode & PSR_MODE32_BIT))
+ exc_offset = LOWER_EL_AArch64_VECTOR;
+ else
+ exc_offset = LOWER_EL_AArch32_VECTOR;
+
+ switch (target_mode) {
+ case PSR_MODE_EL1h:
+ vbar = vcpu_read_sys_reg(vcpu, VBAR_EL1);
+ sctlr = vcpu_read_sys_reg(vcpu, SCTLR_EL1);
+ vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu));
+ break;
+ default:
+ /* Don't do that */
+ BUG();
+ }
+
+ *vcpu_pc(vcpu) = vbar + exc_offset + type;
old = *vcpu_cpsr(vcpu);
new = 0;
@@ -105,9 +114,10 @@ static unsigned long get_except64_pstate(struct kvm_vcpu *vcpu)
new |= PSR_I_BIT;
new |= PSR_F_BIT;
- new |= PSR_MODE_EL1h;
+ new |= target_mode;
- return new;
+ *vcpu_cpsr(vcpu) = new;
+ vcpu_write_spsr(vcpu, old);
}
static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr)
@@ -116,11 +126,7 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr
bool is_aarch32 = vcpu_mode_is_32bit(vcpu);
u32 esr = 0;
- vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu));
- *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync);
-
- *vcpu_cpsr(vcpu) = get_except64_pstate(vcpu);
- vcpu_write_spsr(vcpu, cpsr);
+ enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
vcpu_write_sys_reg(vcpu, addr, FAR_EL1);
@@ -148,14 +154,9 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr
static void inject_undef64(struct kvm_vcpu *vcpu)
{
- unsigned long cpsr = *vcpu_cpsr(vcpu);
u32 esr = (ESR_ELx_EC_UNKNOWN << ESR_ELx_EC_SHIFT);
- vcpu_write_elr_el1(vcpu, *vcpu_pc(vcpu));
- *vcpu_pc(vcpu) = get_except_vector(vcpu, except_type_sync);
-
- *vcpu_cpsr(vcpu) = get_except64_pstate(vcpu);
- vcpu_write_spsr(vcpu, cpsr);
+ enter_exception64(vcpu, PSR_MODE_EL1h, except_type_sync);
/*
* Build an unknown exception, depending on the instruction
diff --git a/virt/kvm/arm/mmio.c b/arch/arm64/kvm/mmio.c
index aedfcff99ac5..4e0366759726 100644
--- a/virt/kvm/arm/mmio.c
+++ b/arch/arm64/kvm/mmio.c
@@ -131,7 +131,7 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
/*
* No valid syndrome? Ask userspace for help if it has
- * voluntered to do so, and bail out otherwise.
+ * volunteered to do so, and bail out otherwise.
*/
if (!kvm_vcpu_dabt_isvalid(vcpu)) {
if (vcpu->kvm->arch.return_nisv_io_abort_to_user) {
diff --git a/virt/kvm/arm/mmu.c b/arch/arm64/kvm/mmu.c
index e3b9ee268823..a1f6bc70c4e4 100644
--- a/virt/kvm/arm/mmu.c
+++ b/arch/arm64/kvm/mmu.c
@@ -422,6 +422,9 @@ static void stage2_flush_memslot(struct kvm *kvm,
next = stage2_pgd_addr_end(kvm, addr, end);
if (!stage2_pgd_none(kvm, *pgd))
stage2_flush_puds(kvm, pgd, addr, next);
+
+ if (next != end)
+ cond_resched_lock(&kvm->mmu_lock);
} while (pgd++, addr = next, addr != end);
}
@@ -784,7 +787,7 @@ static int __create_hyp_private_mapping(phys_addr_t phys_addr, size_t size,
mutex_lock(&kvm_hyp_pgd_mutex);
/*
- * This assumes that we we have enough space below the idmap
+ * This assumes that we have enough space below the idmap
* page to allocate our VAs. If not, the check below will
* kick. A potential alternative would be to detect that
* overflow and switch to an allocation above the idmap.
@@ -964,7 +967,7 @@ static void stage2_unmap_memslot(struct kvm *kvm,
* stage2_unmap_vm - Unmap Stage-2 RAM mappings
* @kvm: The struct kvm pointer
*
- * Go through the memregions and unmap any reguler RAM
+ * Go through the memregions and unmap any regular RAM
* backing memory already mapped to the VM.
*/
void stage2_unmap_vm(struct kvm *kvm)
@@ -1372,47 +1375,6 @@ out:
return ret;
}
-static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
-{
- kvm_pfn_t pfn = *pfnp;
- gfn_t gfn = *ipap >> PAGE_SHIFT;
-
- if (kvm_is_transparent_hugepage(pfn)) {
- unsigned long mask;
- /*
- * The address we faulted on is backed by a transparent huge
- * page. However, because we map the compound huge page and
- * not the individual tail page, we need to transfer the
- * refcount to the head page. We have to be careful that the
- * THP doesn't start to split while we are adjusting the
- * refcounts.
- *
- * We are sure this doesn't happen, because mmu_notifier_retry
- * was successful and we are holding the mmu_lock, so if this
- * THP is trying to split, it will be blocked in the mmu
- * notifier before touching any of the pages, specifically
- * before being able to call __split_huge_page_refcount().
- *
- * We can therefore safely transfer the refcount from PG_tail
- * to PG_head and switch the pfn from a tail page to the head
- * page accordingly.
- */
- mask = PTRS_PER_PMD - 1;
- VM_BUG_ON((gfn & mask) != (pfn & mask));
- if (pfn & mask) {
- *ipap &= PMD_MASK;
- kvm_release_pfn_clean(pfn);
- pfn &= ~mask;
- kvm_get_pfn(pfn);
- *pfnp = pfn;
- }
-
- return true;
- }
-
- return false;
-}
-
/**
* stage2_wp_ptes - write protect PMD range
* @pmd: pointer to pmd entry
@@ -1607,6 +1569,10 @@ static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot,
hva_t uaddr_start, uaddr_end;
size_t size;
+ /* The memslot and the VMA are guaranteed to be aligned to PAGE_SIZE */
+ if (map_size == PAGE_SIZE)
+ return true;
+
size = memslot->npages * PAGE_SIZE;
gpa_start = memslot->base_gfn << PAGE_SHIFT;
@@ -1626,7 +1592,7 @@ static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot,
* |abcde|fgh Stage-1 block | Stage-1 block tv|xyz|
* +-----+--------------------+--------------------+---+
*
- * memslot->base_gfn << PAGE_SIZE:
+ * memslot->base_gfn << PAGE_SHIFT:
* +---+--------------------+--------------------+-----+
* |abc|def Stage-2 block | Stage-2 block |tvxyz|
* +---+--------------------+--------------------+-----+
@@ -1656,6 +1622,59 @@ static bool fault_supports_stage2_huge_mapping(struct kvm_memory_slot *memslot,
(hva & ~(map_size - 1)) + map_size <= uaddr_end;
}
+/*
+ * Check if the given hva is backed by a transparent huge page (THP) and
+ * whether it can be mapped using block mapping in stage2. If so, adjust
+ * the stage2 PFN and IPA accordingly. Only PMD_SIZE THPs are currently
+ * supported. This will need to be updated to support other THP sizes.
+ *
+ * Returns the size of the mapping.
+ */
+static unsigned long
+transparent_hugepage_adjust(struct kvm_memory_slot *memslot,
+ unsigned long hva, kvm_pfn_t *pfnp,
+ phys_addr_t *ipap)
+{
+ kvm_pfn_t pfn = *pfnp;
+
+ /*
+ * Make sure the adjustment is done only for THP pages. Also make
+ * sure that the HVA and IPA are sufficiently aligned and that the
+ * block map is contained within the memslot.
+ */
+ if (kvm_is_transparent_hugepage(pfn) &&
+ fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE)) {
+ /*
+ * The address we faulted on is backed by a transparent huge
+ * page. However, because we map the compound huge page and
+ * not the individual tail page, we need to transfer the
+ * refcount to the head page. We have to be careful that the
+ * THP doesn't start to split while we are adjusting the
+ * refcounts.
+ *
+ * We are sure this doesn't happen, because mmu_notifier_retry
+ * was successful and we are holding the mmu_lock, so if this
+ * THP is trying to split, it will be blocked in the mmu
+ * notifier before touching any of the pages, specifically
+ * before being able to call __split_huge_page_refcount().
+ *
+ * We can therefore safely transfer the refcount from PG_tail
+ * to PG_head and switch the pfn from a tail page to the head
+ * page accordingly.
+ */
+ *ipap &= PMD_MASK;
+ kvm_release_pfn_clean(pfn);
+ pfn &= ~(PTRS_PER_PMD - 1);
+ kvm_get_pfn(pfn);
+ *pfnp = pfn;
+
+ return PMD_SIZE;
+ }
+
+ /* Use page mapping if we cannot use block mapping. */
+ return PAGE_SIZE;
+}
+
static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
struct kvm_memory_slot *memslot, unsigned long hva,
unsigned long fault_status)
@@ -1769,20 +1788,13 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
if (mmu_notifier_retry(kvm, mmu_seq))
goto out_unlock;
- if (vma_pagesize == PAGE_SIZE && !force_pte) {
- /*
- * Only PMD_SIZE transparent hugepages(THP) are
- * currently supported. This code will need to be
- * updated to support other THP sizes.
- *
- * Make sure the host VA and the guest IPA are sufficiently
- * aligned and that the block is contained within the memslot.
- */
- if (fault_supports_stage2_huge_mapping(memslot, hva, PMD_SIZE) &&
- transparent_hugepage_adjust(&pfn, &fault_ipa))
- vma_pagesize = PMD_SIZE;
- }
-
+ /*
+ * If we are not forced to use page mapping, check if we are
+ * backed by a THP and thus use block mapping if possible.
+ */
+ if (vma_pagesize == PAGE_SIZE && !force_pte)
+ vma_pagesize = transparent_hugepage_adjust(memslot, hva,
+ &pfn, &fault_ipa);
if (writable)
kvm_set_pfn_dirty(pfn);
@@ -2185,11 +2197,11 @@ int kvm_mmu_init(void)
{
int err;
- hyp_idmap_start = kvm_virt_to_phys(__hyp_idmap_text_start);
+ hyp_idmap_start = __pa_symbol(__hyp_idmap_text_start);
hyp_idmap_start = ALIGN_DOWN(hyp_idmap_start, PAGE_SIZE);
- hyp_idmap_end = kvm_virt_to_phys(__hyp_idmap_text_end);
+ hyp_idmap_end = __pa_symbol(__hyp_idmap_text_end);
hyp_idmap_end = ALIGN(hyp_idmap_end, PAGE_SIZE);
- hyp_idmap_vector = kvm_virt_to_phys(__kvm_hyp_init);
+ hyp_idmap_vector = __pa_symbol(__kvm_hyp_init);
/*
* We rely on the linker script to ensure at build time that the HYP
@@ -2262,11 +2274,19 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
{
/*
* At this point memslot has been committed and there is an
- * allocated dirty_bitmap[], dirty pages will be be tracked while the
+ * allocated dirty_bitmap[], dirty pages will be tracked while the
* memory slot is write protected.
*/
- if (change != KVM_MR_DELETE && mem->flags & KVM_MEM_LOG_DIRTY_PAGES)
- kvm_mmu_wp_memory_region(kvm, mem->slot);
+ if (change != KVM_MR_DELETE && mem->flags & KVM_MEM_LOG_DIRTY_PAGES) {
+ /*
+ * If we're with initial-all-set, we don't need to write
+ * protect any pages because they're all reported as dirty.
+ * Huge pages and normal pages will be write protect gradually.
+ */
+ if (!kvm_dirty_log_manual_protect_and_init_set(kvm)) {
+ kvm_mmu_wp_memory_region(kvm, mem->slot);
+ }
+ }
}
int kvm_arch_prepare_memory_region(struct kvm *kvm,
diff --git a/virt/kvm/arm/perf.c b/arch/arm64/kvm/perf.c
index d45b8b9a4415..d45b8b9a4415 100644
--- a/virt/kvm/arm/perf.c
+++ b/arch/arm64/kvm/perf.c
diff --git a/virt/kvm/arm/pmu.c b/arch/arm64/kvm/pmu-emul.c
index f0d0312c0a55..f0d0312c0a55 100644
--- a/virt/kvm/arm/pmu.c
+++ b/arch/arm64/kvm/pmu-emul.c
diff --git a/virt/kvm/arm/psci.c b/arch/arm64/kvm/psci.c
index 14a162e295a9..83415e96b589 100644
--- a/virt/kvm/arm/psci.c
+++ b/arch/arm64/kvm/psci.c
@@ -94,7 +94,7 @@ static unsigned long kvm_psci_vcpu_on(struct kvm_vcpu *source_vcpu)
/*
* NOTE: We always update r0 (or x0) because for PSCI v0.1
- * the general puspose registers are undefined upon CPU_ON.
+ * the general purpose registers are undefined upon CPU_ON.
*/
reset_state->r0 = smccc_get_arg3(source_vcpu);
@@ -186,6 +186,33 @@ static void kvm_psci_system_reset(struct kvm_vcpu *vcpu)
kvm_prepare_system_event(vcpu, KVM_SYSTEM_EVENT_RESET);
}
+static void kvm_psci_narrow_to_32bit(struct kvm_vcpu *vcpu)
+{
+ int i;
+
+ /*
+ * Zero the input registers' upper 32 bits. They will be fully
+ * zeroed on exit, so we're fine changing them in place.
+ */
+ for (i = 1; i < 4; i++)
+ vcpu_set_reg(vcpu, i, lower_32_bits(vcpu_get_reg(vcpu, i)));
+}
+
+static unsigned long kvm_psci_check_allowed_function(struct kvm_vcpu *vcpu, u32 fn)
+{
+ switch(fn) {
+ case PSCI_0_2_FN64_CPU_SUSPEND:
+ case PSCI_0_2_FN64_CPU_ON:
+ case PSCI_0_2_FN64_AFFINITY_INFO:
+ /* Disallow these functions for 32bit guests */
+ if (vcpu_mode_is_32bit(vcpu))
+ return PSCI_RET_NOT_SUPPORTED;
+ break;
+ }
+
+ return 0;
+}
+
static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
{
struct kvm *kvm = vcpu->kvm;
@@ -193,6 +220,10 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
unsigned long val;
int ret = 1;
+ val = kvm_psci_check_allowed_function(vcpu, psci_fn);
+ if (val)
+ goto out;
+
switch (psci_fn) {
case PSCI_0_2_FN_PSCI_VERSION:
/*
@@ -210,12 +241,16 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
val = PSCI_RET_SUCCESS;
break;
case PSCI_0_2_FN_CPU_ON:
+ kvm_psci_narrow_to_32bit(vcpu);
+ fallthrough;
case PSCI_0_2_FN64_CPU_ON:
mutex_lock(&kvm->lock);
val = kvm_psci_vcpu_on(vcpu);
mutex_unlock(&kvm->lock);
break;
case PSCI_0_2_FN_AFFINITY_INFO:
+ kvm_psci_narrow_to_32bit(vcpu);
+ fallthrough;
case PSCI_0_2_FN64_AFFINITY_INFO:
val = kvm_psci_vcpu_affinity_info(vcpu);
break;
@@ -230,10 +265,10 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
case PSCI_0_2_FN_SYSTEM_OFF:
kvm_psci_system_off(vcpu);
/*
- * We should'nt be going back to guest VCPU after
+ * We shouldn't be going back to guest VCPU after
* receiving SYSTEM_OFF request.
*
- * If user space accidently/deliberately resumes
+ * If user space accidentally/deliberately resumes
* guest VCPU after SYSTEM_OFF request then guest
* VCPU should see internal failure from PSCI return
* value. To achieve this, we preload r0 (or x0) with
@@ -256,6 +291,7 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu)
break;
}
+out:
smccc_set_retval(vcpu, val, 0, 0, 0);
return ret;
}
@@ -273,6 +309,10 @@ static int kvm_psci_1_0_call(struct kvm_vcpu *vcpu)
break;
case PSCI_1_0_FN_PSCI_FEATURES:
feature = smccc_get_arg1(vcpu);
+ val = kvm_psci_check_allowed_function(vcpu, feature);
+ if (val)
+ break;
+
switch(feature) {
case PSCI_0_2_FN_PSCI_VERSION:
case PSCI_0_2_FN_CPU_SUSPEND:
diff --git a/virt/kvm/arm/pvtime.c b/arch/arm64/kvm/pvtime.c
index 1e0f4c284888..1e0f4c284888 100644
--- a/virt/kvm/arm/pvtime.c
+++ b/arch/arm64/kvm/pvtime.c
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 30b7ea680f66..d3b209023727 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -36,23 +36,11 @@ static u32 kvm_ipa_limit;
/*
* ARMv8 Reset Values
*/
-static const struct kvm_regs default_regs_reset = {
- .regs.pstate = (PSR_MODE_EL1h | PSR_A_BIT | PSR_I_BIT |
- PSR_F_BIT | PSR_D_BIT),
-};
+#define VCPU_RESET_PSTATE_EL1 (PSR_MODE_EL1h | PSR_A_BIT | PSR_I_BIT | \
+ PSR_F_BIT | PSR_D_BIT)
-static const struct kvm_regs default_regs_reset32 = {
- .regs.pstate = (PSR_AA32_MODE_SVC | PSR_AA32_A_BIT |
- PSR_AA32_I_BIT | PSR_AA32_F_BIT),
-};
-
-static bool cpu_has_32bit_el1(void)
-{
- u64 pfr0;
-
- pfr0 = read_sanitised_ftr_reg(SYS_ID_AA64PFR0_EL1);
- return !!(pfr0 & 0x20);
-}
+#define VCPU_RESET_PSTATE_SVC (PSR_AA32_MODE_SVC | PSR_AA32_A_BIT | \
+ PSR_AA32_I_BIT | PSR_AA32_F_BIT)
/**
* kvm_arch_vm_ioctl_check_extension
@@ -66,7 +54,7 @@ int kvm_arch_vm_ioctl_check_extension(struct kvm *kvm, long ext)
switch (ext) {
case KVM_CAP_ARM_EL1_32BIT:
- r = cpu_has_32bit_el1();
+ r = cpus_have_const_cap(ARM64_HAS_32BIT_EL1);
break;
case KVM_CAP_GUEST_DEBUG_HW_BPS:
r = get_num_brps();
@@ -163,7 +151,7 @@ static int kvm_vcpu_finalize_sve(struct kvm_vcpu *vcpu)
vl = vcpu->arch.sve_max_vl;
/*
- * Resposibility for these properties is shared between
+ * Responsibility for these properties is shared between
* kvm_arm_init_arch_resources(), kvm_vcpu_enable_sve() and
* set_sve_vls(). Double-check here just to be sure:
*/
@@ -249,7 +237,7 @@ static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
* ioctl or as part of handling a request issued by another VCPU in the PSCI
* handling code. In the first case, the VCPU will not be loaded, and in the
* second case the VCPU will be loaded. Because this function operates purely
- * on the memory-backed valus of system registers, we want to do a full put if
+ * on the memory-backed values of system registers, we want to do a full put if
* we were loaded (handling a request) and load the values back at the end of
* the function. Otherwise we leave the state alone. In both cases, we
* disable preemption around the vcpu reset as we would otherwise race with
@@ -257,9 +245,9 @@ static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
*/
int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
{
- const struct kvm_regs *cpu_reset;
int ret = -EINVAL;
bool loaded;
+ u32 pstate;
/* Reset PMU outside of the non-preemptible section */
kvm_pmu_vcpu_reset(vcpu);
@@ -288,18 +276,19 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
switch (vcpu->arch.target) {
default:
if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) {
- if (!cpu_has_32bit_el1())
+ if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1))
goto out;
- cpu_reset = &default_regs_reset32;
+ pstate = VCPU_RESET_PSTATE_SVC;
} else {
- cpu_reset = &default_regs_reset;
+ pstate = VCPU_RESET_PSTATE_EL1;
}
break;
}
/* Reset core registers */
- memcpy(vcpu_gp_regs(vcpu), cpu_reset, sizeof(*cpu_reset));
+ memset(vcpu_gp_regs(vcpu), 0, sizeof(*vcpu_gp_regs(vcpu)));
+ vcpu_gp_regs(vcpu)->regs.pstate = pstate;
/* Reset system registers */
kvm_reset_sys_regs(vcpu);
@@ -340,11 +329,50 @@ out:
return ret;
}
-void kvm_set_ipa_limit(void)
+u32 get_kvm_ipa_limit(void)
+{
+ return kvm_ipa_limit;
+}
+
+int kvm_set_ipa_limit(void)
{
- unsigned int ipa_max, pa_max, va_max, parange;
+ unsigned int ipa_max, pa_max, va_max, parange, tgran_2;
+ u64 mmfr0;
+
+ mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
+ parange = cpuid_feature_extract_unsigned_field(mmfr0,
+ ID_AA64MMFR0_PARANGE_SHIFT);
+
+ /*
+ * Check with ARMv8.5-GTG that our PAGE_SIZE is supported at
+ * Stage-2. If not, things will stop very quickly.
+ */
+ switch (PAGE_SIZE) {
+ default:
+ case SZ_4K:
+ tgran_2 = ID_AA64MMFR0_TGRAN4_2_SHIFT;
+ break;
+ case SZ_16K:
+ tgran_2 = ID_AA64MMFR0_TGRAN16_2_SHIFT;
+ break;
+ case SZ_64K:
+ tgran_2 = ID_AA64MMFR0_TGRAN64_2_SHIFT;
+ break;
+ }
+
+ switch (cpuid_feature_extract_unsigned_field(mmfr0, tgran_2)) {
+ default:
+ case 1:
+ kvm_err("PAGE_SIZE not supported at Stage-2, giving up\n");
+ return -EINVAL;
+ case 0:
+ kvm_debug("PAGE_SIZE supported at Stage-2 (default)\n");
+ break;
+ case 2:
+ kvm_debug("PAGE_SIZE supported at Stage-2 (advertised)\n");
+ break;
+ }
- parange = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1) & 0x7;
pa_max = id_aa64mmfr0_parange_to_phys_shift(parange);
/* Clamp the IPA limit to the PA size supported by the kernel */
@@ -357,7 +385,7 @@ void kvm_set_ipa_limit(void)
*
* So clamp the ipa limit further down to limit the number of levels.
* Since we can concatenate upto 16 tables at entry level, we could
- * go upto 4bits above the maximum VA addressible with the current
+ * go upto 4bits above the maximum VA addressable with the current
* number of levels.
*/
va_max = PGDIR_SHIFT + PAGE_SHIFT - 3;
@@ -378,6 +406,8 @@ void kvm_set_ipa_limit(void)
"KVM IPA limit (%d bit) is smaller than default size\n", ipa_max);
kvm_ipa_limit = ipa_max;
kvm_info("IPA Size Limit: %dbits\n", kvm_ipa_limit);
+
+ return 0;
}
/*
@@ -390,7 +420,7 @@ void kvm_set_ipa_limit(void)
*/
int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
{
- u64 vtcr = VTCR_EL2_FLAGS;
+ u64 vtcr = VTCR_EL2_FLAGS, mmfr0;
u32 parange, phys_shift;
u8 lvls;
@@ -406,7 +436,9 @@ int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type)
phys_shift = KVM_PHYS_SHIFT;
}
- parange = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1) & 7;
+ mmfr0 = read_sanitised_ftr_reg(SYS_ID_AA64MMFR0_EL1);
+ parange = cpuid_feature_extract_unsigned_field(mmfr0,
+ ID_AA64MMFR0_PARANGE_SHIFT);
if (parange > ID_AA64MMFR0_PARANGE_MAX)
parange = ID_AA64MMFR0_PARANGE_MAX;
vtcr |= parange << VTCR_EL2_PS_SHIFT;
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 51db934702b6..80985439bfb2 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -34,7 +34,7 @@
#include "trace.h"
/*
- * All of this file is extremly similar to the ARM coproc.c, but the
+ * All of this file is extremely similar to the ARM coproc.c, but the
* types are different. My gut feeling is that it should be pretty
* easy to merge, but that would be an ABI breakage -- again. VFP
* would also need to be abstracted.
@@ -64,11 +64,8 @@ static bool write_to_read_only(struct kvm_vcpu *vcpu,
return false;
}
-u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
+static bool __vcpu_read_sys_reg_from_cpu(int reg, u64 *val)
{
- if (!vcpu->arch.sysregs_loaded_on_cpu)
- goto immediate_read;
-
/*
* System registers listed in the switch are not saved on every
* exit from the guest but are only saved on vcpu_put.
@@ -79,75 +76,92 @@ u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
* thread when emulating cross-VCPU communication.
*/
switch (reg) {
- case CSSELR_EL1: return read_sysreg_s(SYS_CSSELR_EL1);
- case SCTLR_EL1: return read_sysreg_s(SYS_SCTLR_EL12);
- case ACTLR_EL1: return read_sysreg_s(SYS_ACTLR_EL1);
- case CPACR_EL1: return read_sysreg_s(SYS_CPACR_EL12);
- case TTBR0_EL1: return read_sysreg_s(SYS_TTBR0_EL12);
- case TTBR1_EL1: return read_sysreg_s(SYS_TTBR1_EL12);
- case TCR_EL1: return read_sysreg_s(SYS_TCR_EL12);
- case ESR_EL1: return read_sysreg_s(SYS_ESR_EL12);
- case AFSR0_EL1: return read_sysreg_s(SYS_AFSR0_EL12);
- case AFSR1_EL1: return read_sysreg_s(SYS_AFSR1_EL12);
- case FAR_EL1: return read_sysreg_s(SYS_FAR_EL12);
- case MAIR_EL1: return read_sysreg_s(SYS_MAIR_EL12);
- case VBAR_EL1: return read_sysreg_s(SYS_VBAR_EL12);
- case CONTEXTIDR_EL1: return read_sysreg_s(SYS_CONTEXTIDR_EL12);
- case TPIDR_EL0: return read_sysreg_s(SYS_TPIDR_EL0);
- case TPIDRRO_EL0: return read_sysreg_s(SYS_TPIDRRO_EL0);
- case TPIDR_EL1: return read_sysreg_s(SYS_TPIDR_EL1);
- case AMAIR_EL1: return read_sysreg_s(SYS_AMAIR_EL12);
- case CNTKCTL_EL1: return read_sysreg_s(SYS_CNTKCTL_EL12);
- case PAR_EL1: return read_sysreg_s(SYS_PAR_EL1);
- case DACR32_EL2: return read_sysreg_s(SYS_DACR32_EL2);
- case IFSR32_EL2: return read_sysreg_s(SYS_IFSR32_EL2);
- case DBGVCR32_EL2: return read_sysreg_s(SYS_DBGVCR32_EL2);
+ case CSSELR_EL1: *val = read_sysreg_s(SYS_CSSELR_EL1); break;
+ case SCTLR_EL1: *val = read_sysreg_s(SYS_SCTLR_EL12); break;
+ case ACTLR_EL1: *val = read_sysreg_s(SYS_ACTLR_EL1); break;
+ case CPACR_EL1: *val = read_sysreg_s(SYS_CPACR_EL12); break;
+ case TTBR0_EL1: *val = read_sysreg_s(SYS_TTBR0_EL12); break;
+ case TTBR1_EL1: *val = read_sysreg_s(SYS_TTBR1_EL12); break;
+ case TCR_EL1: *val = read_sysreg_s(SYS_TCR_EL12); break;
+ case ESR_EL1: *val = read_sysreg_s(SYS_ESR_EL12); break;
+ case AFSR0_EL1: *val = read_sysreg_s(SYS_AFSR0_EL12); break;
+ case AFSR1_EL1: *val = read_sysreg_s(SYS_AFSR1_EL12); break;
+ case FAR_EL1: *val = read_sysreg_s(SYS_FAR_EL12); break;
+ case MAIR_EL1: *val = read_sysreg_s(SYS_MAIR_EL12); break;
+ case VBAR_EL1: *val = read_sysreg_s(SYS_VBAR_EL12); break;
+ case CONTEXTIDR_EL1: *val = read_sysreg_s(SYS_CONTEXTIDR_EL12);break;
+ case TPIDR_EL0: *val = read_sysreg_s(SYS_TPIDR_EL0); break;
+ case TPIDRRO_EL0: *val = read_sysreg_s(SYS_TPIDRRO_EL0); break;
+ case TPIDR_EL1: *val = read_sysreg_s(SYS_TPIDR_EL1); break;
+ case AMAIR_EL1: *val = read_sysreg_s(SYS_AMAIR_EL12); break;
+ case CNTKCTL_EL1: *val = read_sysreg_s(SYS_CNTKCTL_EL12); break;
+ case PAR_EL1: *val = read_sysreg_s(SYS_PAR_EL1); break;
+ case DACR32_EL2: *val = read_sysreg_s(SYS_DACR32_EL2); break;
+ case IFSR32_EL2: *val = read_sysreg_s(SYS_IFSR32_EL2); break;
+ case DBGVCR32_EL2: *val = read_sysreg_s(SYS_DBGVCR32_EL2); break;
+ default: return false;
}
-immediate_read:
- return __vcpu_sys_reg(vcpu, reg);
+ return true;
}
-void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
+static bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg)
{
- if (!vcpu->arch.sysregs_loaded_on_cpu)
- goto immediate_write;
-
/*
* System registers listed in the switch are not restored on every
* entry to the guest but are only restored on vcpu_load.
*
* Note that MPIDR_EL1 for the guest is set by KVM via VMPIDR_EL2 but
- * should never be listed below, because the the MPIDR should only be
- * set once, before running the VCPU, and never changed later.
+ * should never be listed below, because the MPIDR should only be set
+ * once, before running the VCPU, and never changed later.
*/
switch (reg) {
- case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); return;
- case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); return;
- case ACTLR_EL1: write_sysreg_s(val, SYS_ACTLR_EL1); return;
- case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); return;
- case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); return;
- case TTBR1_EL1: write_sysreg_s(val, SYS_TTBR1_EL12); return;
- case TCR_EL1: write_sysreg_s(val, SYS_TCR_EL12); return;
- case ESR_EL1: write_sysreg_s(val, SYS_ESR_EL12); return;
- case AFSR0_EL1: write_sysreg_s(val, SYS_AFSR0_EL12); return;
- case AFSR1_EL1: write_sysreg_s(val, SYS_AFSR1_EL12); return;
- case FAR_EL1: write_sysreg_s(val, SYS_FAR_EL12); return;
- case MAIR_EL1: write_sysreg_s(val, SYS_MAIR_EL12); return;
- case VBAR_EL1: write_sysreg_s(val, SYS_VBAR_EL12); return;
- case CONTEXTIDR_EL1: write_sysreg_s(val, SYS_CONTEXTIDR_EL12); return;
- case TPIDR_EL0: write_sysreg_s(val, SYS_TPIDR_EL0); return;
- case TPIDRRO_EL0: write_sysreg_s(val, SYS_TPIDRRO_EL0); return;
- case TPIDR_EL1: write_sysreg_s(val, SYS_TPIDR_EL1); return;
- case AMAIR_EL1: write_sysreg_s(val, SYS_AMAIR_EL12); return;
- case CNTKCTL_EL1: write_sysreg_s(val, SYS_CNTKCTL_EL12); return;
- case PAR_EL1: write_sysreg_s(val, SYS_PAR_EL1); return;
- case DACR32_EL2: write_sysreg_s(val, SYS_DACR32_EL2); return;
- case IFSR32_EL2: write_sysreg_s(val, SYS_IFSR32_EL2); return;
- case DBGVCR32_EL2: write_sysreg_s(val, SYS_DBGVCR32_EL2); return;
+ case CSSELR_EL1: write_sysreg_s(val, SYS_CSSELR_EL1); break;
+ case SCTLR_EL1: write_sysreg_s(val, SYS_SCTLR_EL12); break;
+ case ACTLR_EL1: write_sysreg_s(val, SYS_ACTLR_EL1); break;
+ case CPACR_EL1: write_sysreg_s(val, SYS_CPACR_EL12); break;
+ case TTBR0_EL1: write_sysreg_s(val, SYS_TTBR0_EL12); break;
+ case TTBR1_EL1: write_sysreg_s(val, SYS_TTBR1_EL12); break;
+ case TCR_EL1: write_sysreg_s(val, SYS_TCR_EL12); break;
+ case ESR_EL1: write_sysreg_s(val, SYS_ESR_EL12); break;
+ case AFSR0_EL1: write_sysreg_s(val, SYS_AFSR0_EL12); break;
+ case AFSR1_EL1: write_sysreg_s(val, SYS_AFSR1_EL12); break;
+ case FAR_EL1: write_sysreg_s(val, SYS_FAR_EL12); break;
+ case MAIR_EL1: write_sysreg_s(val, SYS_MAIR_EL12); break;
+ case VBAR_EL1: write_sysreg_s(val, SYS_VBAR_EL12); break;
+ case CONTEXTIDR_EL1: write_sysreg_s(val, SYS_CONTEXTIDR_EL12);break;
+ case TPIDR_EL0: write_sysreg_s(val, SYS_TPIDR_EL0); break;
+ case TPIDRRO_EL0: write_sysreg_s(val, SYS_TPIDRRO_EL0); break;
+ case TPIDR_EL1: write_sysreg_s(val, SYS_TPIDR_EL1); break;
+ case AMAIR_EL1: write_sysreg_s(val, SYS_AMAIR_EL12); break;
+ case CNTKCTL_EL1: write_sysreg_s(val, SYS_CNTKCTL_EL12); break;
+ case PAR_EL1: write_sysreg_s(val, SYS_PAR_EL1); break;
+ case DACR32_EL2: write_sysreg_s(val, SYS_DACR32_EL2); break;
+ case IFSR32_EL2: write_sysreg_s(val, SYS_IFSR32_EL2); break;
+ case DBGVCR32_EL2: write_sysreg_s(val, SYS_DBGVCR32_EL2); break;
+ default: return false;
}
-immediate_write:
+ return true;
+}
+
+u64 vcpu_read_sys_reg(const struct kvm_vcpu *vcpu, int reg)
+{
+ u64 val = 0x8badf00d8badf00d;
+
+ if (vcpu->arch.sysregs_loaded_on_cpu &&
+ __vcpu_read_sys_reg_from_cpu(reg, &val))
+ return val;
+
+ return __vcpu_sys_reg(vcpu, reg);
+}
+
+void vcpu_write_sys_reg(struct kvm_vcpu *vcpu, u64 val, int reg)
+{
+ if (vcpu->arch.sysregs_loaded_on_cpu &&
+ __vcpu_write_sys_reg_to_cpu(val, reg))
+ return;
+
__vcpu_sys_reg(vcpu, reg) = val;
}
@@ -1456,9 +1470,9 @@ static const struct sys_reg_desc sys_reg_descs[] = {
ID_SANITISED(MVFR1_EL1),
ID_SANITISED(MVFR2_EL1),
ID_UNALLOCATED(3,3),
- ID_UNALLOCATED(3,4),
- ID_UNALLOCATED(3,5),
- ID_UNALLOCATED(3,6),
+ ID_SANITISED(ID_PFR2_EL1),
+ ID_HIDDEN(ID_DFR1_EL1),
+ ID_SANITISED(ID_MMFR5_EL1),
ID_UNALLOCATED(3,7),
/* AArch64 ID registers */
@@ -1532,7 +1546,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_PAR_EL1), NULL, reset_unknown, PAR_EL1 },
{ SYS_DESC(SYS_PMINTENSET_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
- { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, NULL, PMINTENSET_EL1 },
+ { SYS_DESC(SYS_PMINTENCLR_EL1), access_pminten, reset_unknown, PMINTENSET_EL1 },
{ SYS_DESC(SYS_MAIR_EL1), access_vm_reg, reset_unknown, MAIR_EL1 },
{ SYS_DESC(SYS_AMAIR_EL1), access_vm_reg, reset_amair_el1, AMAIR_EL1 },
@@ -1571,8 +1585,8 @@ static const struct sys_reg_desc sys_reg_descs[] = {
{ SYS_DESC(SYS_PMCR_EL0), access_pmcr, reset_pmcr, PMCR_EL0 },
{ SYS_DESC(SYS_PMCNTENSET_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
- { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, NULL, PMCNTENSET_EL0 },
- { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, NULL, PMOVSSET_EL0 },
+ { SYS_DESC(SYS_PMCNTENCLR_EL0), access_pmcnten, reset_unknown, PMCNTENSET_EL0 },
+ { SYS_DESC(SYS_PMOVSCLR_EL0), access_pmovs, reset_unknown, PMOVSSET_EL0 },
{ SYS_DESC(SYS_PMSWINC_EL0), access_pmswinc, reset_unknown, PMSWINC_EL0 },
{ SYS_DESC(SYS_PMSELR_EL0), access_pmselr, reset_unknown, PMSELR_EL0 },
{ SYS_DESC(SYS_PMCEID0_EL0), access_pmceid },
@@ -2073,12 +2087,37 @@ static const struct sys_reg_desc cp15_64_regs[] = {
{ SYS_DESC(SYS_AARCH32_CNTP_CVAL), access_arch_timer },
};
+static int check_sysreg_table(const struct sys_reg_desc *table, unsigned int n,
+ bool is_32)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ if (!is_32 && table[i].reg && !table[i].reset) {
+ kvm_err("sys_reg table %p entry %d has lacks reset\n",
+ table, i);
+ return 1;
+ }
+
+ if (i && cmp_sys_reg(&table[i-1], &table[i]) >= 0) {
+ kvm_err("sys_reg table %p out of order (%d)\n", table, i - 1);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
/* Target specific emulation tables */
static struct kvm_sys_reg_target_table *target_tables[KVM_ARM_NUM_TARGETS];
void kvm_register_target_sys_reg_table(unsigned int target,
struct kvm_sys_reg_target_table *table)
{
+ if (check_sysreg_table(table->table64.table, table->table64.num, false) ||
+ check_sysreg_table(table->table32.table, table->table32.num, true))
+ return;
+
target_tables[target] = table;
}
@@ -2364,19 +2403,13 @@ static int emulate_sys_reg(struct kvm_vcpu *vcpu,
}
static void reset_sys_reg_descs(struct kvm_vcpu *vcpu,
- const struct sys_reg_desc *table, size_t num,
- unsigned long *bmap)
+ const struct sys_reg_desc *table, size_t num)
{
unsigned long i;
for (i = 0; i < num; i++)
- if (table[i].reset) {
- int reg = table[i].reg;
-
+ if (table[i].reset)
table[i].reset(vcpu, &table[i]);
- if (reg > 0 && reg < NR_SYS_REGS)
- set_bit(reg, bmap);
- }
}
/**
@@ -2832,32 +2865,18 @@ int kvm_arm_copy_sys_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices)
return write_demux_regids(uindices);
}
-static int check_sysreg_table(const struct sys_reg_desc *table, unsigned int n)
-{
- unsigned int i;
-
- for (i = 1; i < n; i++) {
- if (cmp_sys_reg(&table[i-1], &table[i]) >= 0) {
- kvm_err("sys_reg table %p out of order (%d)\n", table, i - 1);
- return 1;
- }
- }
-
- return 0;
-}
-
void kvm_sys_reg_table_init(void)
{
unsigned int i;
struct sys_reg_desc clidr;
/* Make sure tables are unique and in order. */
- BUG_ON(check_sysreg_table(sys_reg_descs, ARRAY_SIZE(sys_reg_descs)));
- BUG_ON(check_sysreg_table(cp14_regs, ARRAY_SIZE(cp14_regs)));
- BUG_ON(check_sysreg_table(cp14_64_regs, ARRAY_SIZE(cp14_64_regs)));
- BUG_ON(check_sysreg_table(cp15_regs, ARRAY_SIZE(cp15_regs)));
- BUG_ON(check_sysreg_table(cp15_64_regs, ARRAY_SIZE(cp15_64_regs)));
- BUG_ON(check_sysreg_table(invariant_sys_regs, ARRAY_SIZE(invariant_sys_regs)));
+ BUG_ON(check_sysreg_table(sys_reg_descs, ARRAY_SIZE(sys_reg_descs), false));
+ BUG_ON(check_sysreg_table(cp14_regs, ARRAY_SIZE(cp14_regs), true));
+ BUG_ON(check_sysreg_table(cp14_64_regs, ARRAY_SIZE(cp14_64_regs), true));
+ BUG_ON(check_sysreg_table(cp15_regs, ARRAY_SIZE(cp15_regs), true));
+ BUG_ON(check_sysreg_table(cp15_64_regs, ARRAY_SIZE(cp15_64_regs), true));
+ BUG_ON(check_sysreg_table(invariant_sys_regs, ARRAY_SIZE(invariant_sys_regs), false));
/* We abuse the reset function to overwrite the table itself. */
for (i = 0; i < ARRAY_SIZE(invariant_sys_regs); i++)
@@ -2893,17 +2912,10 @@ void kvm_reset_sys_regs(struct kvm_vcpu *vcpu)
{
size_t num;
const struct sys_reg_desc *table;
- DECLARE_BITMAP(bmap, NR_SYS_REGS) = { 0, };
/* Generic chip reset first (so target could override). */
- reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs), bmap);
+ reset_sys_reg_descs(vcpu, sys_reg_descs, ARRAY_SIZE(sys_reg_descs));
table = get_target_table(vcpu->arch.target, true, &num);
- reset_sys_reg_descs(vcpu, table, num, bmap);
-
- for (num = 1; num < NR_SYS_REGS; num++) {
- if (WARN(!test_bit(num, bmap),
- "Didn't reset __vcpu_sys_reg(%zi)\n", num))
- break;
- }
+ reset_sys_reg_descs(vcpu, table, num);
}
diff --git a/arch/arm64/kvm/trace.h b/arch/arm64/kvm/trace.h
index eab91ad0effb..86f9ea47be29 100644
--- a/arch/arm64/kvm/trace.h
+++ b/arch/arm64/kvm/trace.h
@@ -1,216 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#if !defined(_TRACE_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
+#ifndef _TRACE_ARM64_KVM_H
#define _TRACE_ARM64_KVM_H
-#include <linux/tracepoint.h>
-#include "sys_regs.h"
+#include "trace_arm.h"
+#include "trace_handle_exit.h"
-#undef TRACE_SYSTEM
-#define TRACE_SYSTEM kvm
-
-TRACE_EVENT(kvm_wfx_arm64,
- TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
- TP_ARGS(vcpu_pc, is_wfe),
-
- TP_STRUCT__entry(
- __field(unsigned long, vcpu_pc)
- __field(bool, is_wfe)
- ),
-
- TP_fast_assign(
- __entry->vcpu_pc = vcpu_pc;
- __entry->is_wfe = is_wfe;
- ),
-
- TP_printk("guest executed wf%c at: 0x%08lx",
- __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
-);
-
-TRACE_EVENT(kvm_hvc_arm64,
- TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
- TP_ARGS(vcpu_pc, r0, imm),
-
- TP_STRUCT__entry(
- __field(unsigned long, vcpu_pc)
- __field(unsigned long, r0)
- __field(unsigned long, imm)
- ),
-
- TP_fast_assign(
- __entry->vcpu_pc = vcpu_pc;
- __entry->r0 = r0;
- __entry->imm = imm;
- ),
-
- TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx)",
- __entry->vcpu_pc, __entry->r0, __entry->imm)
-);
-
-TRACE_EVENT(kvm_arm_setup_debug,
- TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
- TP_ARGS(vcpu, guest_debug),
-
- TP_STRUCT__entry(
- __field(struct kvm_vcpu *, vcpu)
- __field(__u32, guest_debug)
- ),
-
- TP_fast_assign(
- __entry->vcpu = vcpu;
- __entry->guest_debug = guest_debug;
- ),
-
- TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
-);
-
-TRACE_EVENT(kvm_arm_clear_debug,
- TP_PROTO(__u32 guest_debug),
- TP_ARGS(guest_debug),
-
- TP_STRUCT__entry(
- __field(__u32, guest_debug)
- ),
-
- TP_fast_assign(
- __entry->guest_debug = guest_debug;
- ),
-
- TP_printk("flags: 0x%08x", __entry->guest_debug)
-);
-
-TRACE_EVENT(kvm_arm_set_dreg32,
- TP_PROTO(const char *name, __u32 value),
- TP_ARGS(name, value),
-
- TP_STRUCT__entry(
- __field(const char *, name)
- __field(__u32, value)
- ),
-
- TP_fast_assign(
- __entry->name = name;
- __entry->value = value;
- ),
-
- TP_printk("%s: 0x%08x", __entry->name, __entry->value)
-);
-
-TRACE_DEFINE_SIZEOF(__u64);
-
-TRACE_EVENT(kvm_arm_set_regset,
- TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
- TP_ARGS(type, len, control, value),
- TP_STRUCT__entry(
- __field(const char *, name)
- __field(int, len)
- __array(u64, ctrls, 16)
- __array(u64, values, 16)
- ),
- TP_fast_assign(
- __entry->name = type;
- __entry->len = len;
- memcpy(__entry->ctrls, control, len << 3);
- memcpy(__entry->values, value, len << 3);
- ),
- TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
- __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
- __print_array(__entry->values, __entry->len, sizeof(__u64)))
-);
-
-TRACE_EVENT(trap_reg,
- TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
- TP_ARGS(fn, reg, is_write, write_value),
-
- TP_STRUCT__entry(
- __field(const char *, fn)
- __field(int, reg)
- __field(bool, is_write)
- __field(u64, write_value)
- ),
-
- TP_fast_assign(
- __entry->fn = fn;
- __entry->reg = reg;
- __entry->is_write = is_write;
- __entry->write_value = write_value;
- ),
-
- TP_printk("%s %s reg %d (0x%08llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
-);
-
-TRACE_EVENT(kvm_handle_sys_reg,
- TP_PROTO(unsigned long hsr),
- TP_ARGS(hsr),
-
- TP_STRUCT__entry(
- __field(unsigned long, hsr)
- ),
-
- TP_fast_assign(
- __entry->hsr = hsr;
- ),
-
- TP_printk("HSR 0x%08lx", __entry->hsr)
-);
-
-TRACE_EVENT(kvm_sys_access,
- TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
- TP_ARGS(vcpu_pc, params, reg),
-
- TP_STRUCT__entry(
- __field(unsigned long, vcpu_pc)
- __field(bool, is_write)
- __field(const char *, name)
- __field(u8, Op0)
- __field(u8, Op1)
- __field(u8, CRn)
- __field(u8, CRm)
- __field(u8, Op2)
- ),
-
- TP_fast_assign(
- __entry->vcpu_pc = vcpu_pc;
- __entry->is_write = params->is_write;
- __entry->name = reg->name;
- __entry->Op0 = reg->Op0;
- __entry->Op0 = reg->Op0;
- __entry->Op1 = reg->Op1;
- __entry->CRn = reg->CRn;
- __entry->CRm = reg->CRm;
- __entry->Op2 = reg->Op2;
- ),
-
- TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
- __entry->vcpu_pc, __entry->name ?: "UNKN",
- __entry->Op0, __entry->Op1, __entry->CRn,
- __entry->CRm, __entry->Op2,
- __entry->is_write ? "write" : "read")
-);
-
-TRACE_EVENT(kvm_set_guest_debug,
- TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
- TP_ARGS(vcpu, guest_debug),
-
- TP_STRUCT__entry(
- __field(struct kvm_vcpu *, vcpu)
- __field(__u32, guest_debug)
- ),
-
- TP_fast_assign(
- __entry->vcpu = vcpu;
- __entry->guest_debug = guest_debug;
- ),
-
- TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
-);
-
-
-#endif /* _TRACE_ARM64_KVM_H */
-
-#undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH .
-#undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_FILE trace
-
-/* This part must be outside protection */
-#include <trace/define_trace.h>
+#endif /* _TRACE_ARM64_KVM_H */
diff --git a/virt/kvm/arm/trace.h b/arch/arm64/kvm/trace_arm.h
index cc94ccc68821..4c71270cc097 100644
--- a/virt/kvm/arm/trace.h
+++ b/arch/arm64/kvm/trace_arm.h
@@ -1,10 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_KVM_H
+#if !defined(_TRACE_ARM_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ARM_ARM64_KVM_H
#include <kvm/arm_arch_timer.h>
#include <linux/tracepoint.h>
-#include <asm/kvm_arm.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM kvm
@@ -368,12 +367,12 @@ TRACE_EVENT(kvm_timer_emulate,
__entry->timer_idx, __entry->should_fire)
);
-#endif /* _TRACE_KVM_H */
+#endif /* _TRACE_ARM_ARM64_KVM_H */
#undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../../virt/kvm/arm
+#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
-#define TRACE_INCLUDE_FILE trace
+#define TRACE_INCLUDE_FILE trace_arm
/* This part must be outside protection */
#include <trace/define_trace.h>
diff --git a/arch/arm64/kvm/trace_handle_exit.h b/arch/arm64/kvm/trace_handle_exit.h
new file mode 100644
index 000000000000..2c56d1e0f5bd
--- /dev/null
+++ b/arch/arm64/kvm/trace_handle_exit.h
@@ -0,0 +1,215 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#if !defined(_TRACE_HANDLE_EXIT_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HANDLE_EXIT_ARM64_KVM_H
+
+#include <linux/tracepoint.h>
+#include "sys_regs.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvm
+
+TRACE_EVENT(kvm_wfx_arm64,
+ TP_PROTO(unsigned long vcpu_pc, bool is_wfe),
+ TP_ARGS(vcpu_pc, is_wfe),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(bool, is_wfe)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->is_wfe = is_wfe;
+ ),
+
+ TP_printk("guest executed wf%c at: 0x%08lx",
+ __entry->is_wfe ? 'e' : 'i', __entry->vcpu_pc)
+);
+
+TRACE_EVENT(kvm_hvc_arm64,
+ TP_PROTO(unsigned long vcpu_pc, unsigned long r0, unsigned long imm),
+ TP_ARGS(vcpu_pc, r0, imm),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(unsigned long, r0)
+ __field(unsigned long, imm)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->r0 = r0;
+ __entry->imm = imm;
+ ),
+
+ TP_printk("HVC at 0x%08lx (r0: 0x%08lx, imm: 0x%lx)",
+ __entry->vcpu_pc, __entry->r0, __entry->imm)
+);
+
+TRACE_EVENT(kvm_arm_setup_debug,
+ TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
+ TP_ARGS(vcpu, guest_debug),
+
+ TP_STRUCT__entry(
+ __field(struct kvm_vcpu *, vcpu)
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu = vcpu;
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
+);
+
+TRACE_EVENT(kvm_arm_clear_debug,
+ TP_PROTO(__u32 guest_debug),
+ TP_ARGS(guest_debug),
+
+ TP_STRUCT__entry(
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("flags: 0x%08x", __entry->guest_debug)
+);
+
+TRACE_EVENT(kvm_arm_set_dreg32,
+ TP_PROTO(const char *name, __u32 value),
+ TP_ARGS(name, value),
+
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(__u32, value)
+ ),
+
+ TP_fast_assign(
+ __entry->name = name;
+ __entry->value = value;
+ ),
+
+ TP_printk("%s: 0x%08x", __entry->name, __entry->value)
+);
+
+TRACE_DEFINE_SIZEOF(__u64);
+
+TRACE_EVENT(kvm_arm_set_regset,
+ TP_PROTO(const char *type, int len, __u64 *control, __u64 *value),
+ TP_ARGS(type, len, control, value),
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(int, len)
+ __array(u64, ctrls, 16)
+ __array(u64, values, 16)
+ ),
+ TP_fast_assign(
+ __entry->name = type;
+ __entry->len = len;
+ memcpy(__entry->ctrls, control, len << 3);
+ memcpy(__entry->values, value, len << 3);
+ ),
+ TP_printk("%d %s CTRL:%s VALUE:%s", __entry->len, __entry->name,
+ __print_array(__entry->ctrls, __entry->len, sizeof(__u64)),
+ __print_array(__entry->values, __entry->len, sizeof(__u64)))
+);
+
+TRACE_EVENT(trap_reg,
+ TP_PROTO(const char *fn, int reg, bool is_write, u64 write_value),
+ TP_ARGS(fn, reg, is_write, write_value),
+
+ TP_STRUCT__entry(
+ __field(const char *, fn)
+ __field(int, reg)
+ __field(bool, is_write)
+ __field(u64, write_value)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->reg = reg;
+ __entry->is_write = is_write;
+ __entry->write_value = write_value;
+ ),
+
+ TP_printk("%s %s reg %d (0x%08llx)", __entry->fn, __entry->is_write?"write to":"read from", __entry->reg, __entry->write_value)
+);
+
+TRACE_EVENT(kvm_handle_sys_reg,
+ TP_PROTO(unsigned long hsr),
+ TP_ARGS(hsr),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, hsr)
+ ),
+
+ TP_fast_assign(
+ __entry->hsr = hsr;
+ ),
+
+ TP_printk("HSR 0x%08lx", __entry->hsr)
+);
+
+TRACE_EVENT(kvm_sys_access,
+ TP_PROTO(unsigned long vcpu_pc, struct sys_reg_params *params, const struct sys_reg_desc *reg),
+ TP_ARGS(vcpu_pc, params, reg),
+
+ TP_STRUCT__entry(
+ __field(unsigned long, vcpu_pc)
+ __field(bool, is_write)
+ __field(const char *, name)
+ __field(u8, Op0)
+ __field(u8, Op1)
+ __field(u8, CRn)
+ __field(u8, CRm)
+ __field(u8, Op2)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_pc = vcpu_pc;
+ __entry->is_write = params->is_write;
+ __entry->name = reg->name;
+ __entry->Op0 = reg->Op0;
+ __entry->Op0 = reg->Op0;
+ __entry->Op1 = reg->Op1;
+ __entry->CRn = reg->CRn;
+ __entry->CRm = reg->CRm;
+ __entry->Op2 = reg->Op2;
+ ),
+
+ TP_printk("PC: %lx %s (%d,%d,%d,%d,%d) %s",
+ __entry->vcpu_pc, __entry->name ?: "UNKN",
+ __entry->Op0, __entry->Op1, __entry->CRn,
+ __entry->CRm, __entry->Op2,
+ __entry->is_write ? "write" : "read")
+);
+
+TRACE_EVENT(kvm_set_guest_debug,
+ TP_PROTO(struct kvm_vcpu *vcpu, __u32 guest_debug),
+ TP_ARGS(vcpu, guest_debug),
+
+ TP_STRUCT__entry(
+ __field(struct kvm_vcpu *, vcpu)
+ __field(__u32, guest_debug)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu = vcpu;
+ __entry->guest_debug = guest_debug;
+ ),
+
+ TP_printk("vcpu: %p, flags: 0x%08x", __entry->vcpu, __entry->guest_debug)
+);
+
+#endif /* _TRACE_HANDLE_EXIT_ARM64_KVM_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace_handle_exit
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c
index e7d1ea92095d..2f92bdcb1188 100644
--- a/arch/arm64/kvm/vgic-sys-reg-v3.c
+++ b/arch/arm64/kvm/vgic-sys-reg-v3.c
@@ -7,7 +7,7 @@
#include <linux/kvm.h>
#include <linux/kvm_host.h>
#include <asm/kvm_emulate.h>
-#include "vgic.h"
+#include "vgic/vgic.h"
#include "sys_regs.h"
static bool access_gic_ctlr(struct kvm_vcpu *vcpu, struct sys_reg_params *p,
diff --git a/virt/kvm/arm/vgic/trace.h b/arch/arm64/kvm/vgic/trace.h
index 4fd4f6db181b..83c64401a7fc 100644
--- a/virt/kvm/arm/vgic/trace.h
+++ b/arch/arm64/kvm/vgic/trace.h
@@ -30,7 +30,7 @@ TRACE_EVENT(vgic_update_irq_pending,
#endif /* _TRACE_VGIC_H */
#undef TRACE_INCLUDE_PATH
-#define TRACE_INCLUDE_PATH ../../virt/kvm/arm/vgic
+#define TRACE_INCLUDE_PATH ../../arch/arm64/kvm/vgic
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
diff --git a/virt/kvm/arm/vgic/vgic-debug.c b/arch/arm64/kvm/vgic/vgic-debug.c
index b13a9e3f99dd..b13a9e3f99dd 100644
--- a/virt/kvm/arm/vgic/vgic-debug.c
+++ b/arch/arm64/kvm/vgic/vgic-debug.c
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index a963b9d766b7..32e32d67a127 100644
--- a/virt/kvm/arm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -294,8 +294,15 @@ int vgic_init(struct kvm *kvm)
}
}
- if (vgic_has_its(kvm)) {
+ if (vgic_has_its(kvm))
vgic_lpi_translation_cache_init(kvm);
+
+ /*
+ * If we have GICv4.1 enabled, unconditionnaly request enable the
+ * v4 support so that we get HW-accelerated vSGIs. Otherwise, only
+ * enable it if we present a virtual ITS to the guest.
+ */
+ if (vgic_supports_direct_msis(kvm)) {
ret = vgic_v4_init(kvm);
if (ret)
goto out;
@@ -348,6 +355,12 @@ void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu)
{
struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
+ /*
+ * Retire all pending LPIs on this vcpu anyway as we're
+ * going to destroy it.
+ */
+ vgic_flush_pending_lpis(vcpu);
+
INIT_LIST_HEAD(&vgic_cpu->ap_list_head);
}
@@ -359,10 +372,10 @@ static void __kvm_vgic_destroy(struct kvm *kvm)
vgic_debug_destroy(kvm);
- kvm_vgic_dist_destroy(kvm);
-
kvm_for_each_vcpu(i, vcpu, kvm)
kvm_vgic_vcpu_destroy(vcpu);
+
+ kvm_vgic_dist_destroy(kvm);
}
void kvm_vgic_destroy(struct kvm *kvm)
diff --git a/virt/kvm/arm/vgic/vgic-irqfd.c b/arch/arm64/kvm/vgic/vgic-irqfd.c
index d8cdfea5cc96..d8cdfea5cc96 100644
--- a/virt/kvm/arm/vgic/vgic-irqfd.c
+++ b/arch/arm64/kvm/vgic/vgic-irqfd.c
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c
index d53d34a33e35..c012a52b19f5 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/arch/arm64/kvm/vgic/vgic-its.c
@@ -96,14 +96,21 @@ out_unlock:
* We "cache" the configuration table entries in our struct vgic_irq's.
* However we only have those structs for mapped IRQs, so we read in
* the respective config data from memory here upon mapping the LPI.
+ *
+ * Should any of these fail, behave as if we couldn't create the LPI
+ * by dropping the refcount and returning the error.
*/
ret = update_lpi_config(kvm, irq, NULL, false);
- if (ret)
+ if (ret) {
+ vgic_put_irq(kvm, irq);
return ERR_PTR(ret);
+ }
ret = vgic_v3_lpi_sync_pending_status(kvm, irq);
- if (ret)
+ if (ret) {
+ vgic_put_irq(kvm, irq);
return ERR_PTR(ret);
+ }
return irq;
}
diff --git a/virt/kvm/arm/vgic/vgic-kvm-device.c b/arch/arm64/kvm/vgic/vgic-kvm-device.c
index 44419679f91a..44419679f91a 100644
--- a/virt/kvm/arm/vgic/vgic-kvm-device.c
+++ b/arch/arm64/kvm/vgic/vgic-kvm-device.c
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
index 5945f062d749..a016f07adc28 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
@@ -409,24 +409,28 @@ static const struct vgic_register_region vgic_v2_dist_registers[] = {
NULL, vgic_mmio_uaccess_write_v2_group, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_ENABLE_SET,
- vgic_mmio_read_enable, vgic_mmio_write_senable, NULL, NULL, 1,
+ vgic_mmio_read_enable, vgic_mmio_write_senable,
+ NULL, vgic_uaccess_write_senable, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_ENABLE_CLEAR,
- vgic_mmio_read_enable, vgic_mmio_write_cenable, NULL, NULL, 1,
+ vgic_mmio_read_enable, vgic_mmio_write_cenable,
+ NULL, vgic_uaccess_write_cenable, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_PENDING_SET,
- vgic_mmio_read_pending, vgic_mmio_write_spending, NULL, NULL, 1,
+ vgic_mmio_read_pending, vgic_mmio_write_spending,
+ NULL, vgic_uaccess_write_spending, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_PENDING_CLEAR,
- vgic_mmio_read_pending, vgic_mmio_write_cpending, NULL, NULL, 1,
+ vgic_mmio_read_pending, vgic_mmio_write_cpending,
+ NULL, vgic_uaccess_write_cpending, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_ACTIVE_SET,
vgic_mmio_read_active, vgic_mmio_write_sactive,
- NULL, vgic_mmio_uaccess_write_sactive, 1,
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_sactive, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_ACTIVE_CLEAR,
vgic_mmio_read_active, vgic_mmio_write_cactive,
- NULL, vgic_mmio_uaccess_write_cactive, 1,
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_cactive, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ(GIC_DIST_PRI,
vgic_mmio_read_priority, vgic_mmio_write_priority, NULL, NULL,
diff --git a/virt/kvm/arm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
index e72dcc454247..d2339a2b9fb9 100644
--- a/virt/kvm/arm/vgic/vgic-mmio-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
@@ -50,7 +50,8 @@ bool vgic_has_its(struct kvm *kvm)
bool vgic_supports_direct_msis(struct kvm *kvm)
{
- return kvm_vgic_global_state.has_gicv4 && vgic_has_its(kvm);
+ return (kvm_vgic_global_state.has_gicv4_1 ||
+ (kvm_vgic_global_state.has_gicv4 && vgic_has_its(kvm)));
}
/*
@@ -301,7 +302,7 @@ static unsigned long vgic_v3_uaccess_read_pending(struct kvm_vcpu *vcpu,
* pending state of interrupt is latched in pending_latch variable.
* Userspace will save and restore pending state and line_level
* separately.
- * Refer to Documentation/virt/kvm/devices/arm-vgic-v3.txt
+ * Refer to Documentation/virt/kvm/devices/arm-vgic-v3.rst
* for handling of ISPENDR and ICPENDR.
*/
for (i = 0; i < len * 8; i++) {
@@ -538,10 +539,12 @@ static const struct vgic_register_region vgic_v3_dist_registers[] = {
vgic_mmio_read_group, vgic_mmio_write_group, NULL, NULL, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_ISENABLER,
- vgic_mmio_read_enable, vgic_mmio_write_senable, NULL, NULL, 1,
+ vgic_mmio_read_enable, vgic_mmio_write_senable,
+ NULL, vgic_uaccess_write_senable, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_ICENABLER,
- vgic_mmio_read_enable, vgic_mmio_write_cenable, NULL, NULL, 1,
+ vgic_mmio_read_enable, vgic_mmio_write_cenable,
+ NULL, vgic_uaccess_write_cenable, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_ISPENDR,
vgic_mmio_read_pending, vgic_mmio_write_spending,
@@ -553,11 +556,11 @@ static const struct vgic_register_region vgic_v3_dist_registers[] = {
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_ISACTIVER,
vgic_mmio_read_active, vgic_mmio_write_sactive,
- NULL, vgic_mmio_uaccess_write_sactive, 1,
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_sactive, 1,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_ICACTIVER,
vgic_mmio_read_active, vgic_mmio_write_cactive,
- NULL, vgic_mmio_uaccess_write_cactive,
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_cactive,
1, VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_BITS_PER_IRQ_SHARED(GICD_IPRIORITYR,
vgic_mmio_read_priority, vgic_mmio_write_priority, NULL, NULL,
@@ -609,11 +612,13 @@ static const struct vgic_register_region vgic_v3_rd_registers[] = {
REGISTER_DESC_WITH_LENGTH(SZ_64K + GICR_IGROUPR0,
vgic_mmio_read_group, vgic_mmio_write_group, 4,
VGIC_ACCESS_32bit),
- REGISTER_DESC_WITH_LENGTH(SZ_64K + GICR_ISENABLER0,
- vgic_mmio_read_enable, vgic_mmio_write_senable, 4,
+ REGISTER_DESC_WITH_LENGTH_UACCESS(SZ_64K + GICR_ISENABLER0,
+ vgic_mmio_read_enable, vgic_mmio_write_senable,
+ NULL, vgic_uaccess_write_senable, 4,
VGIC_ACCESS_32bit),
- REGISTER_DESC_WITH_LENGTH(SZ_64K + GICR_ICENABLER0,
- vgic_mmio_read_enable, vgic_mmio_write_cenable, 4,
+ REGISTER_DESC_WITH_LENGTH_UACCESS(SZ_64K + GICR_ICENABLER0,
+ vgic_mmio_read_enable, vgic_mmio_write_cenable,
+ NULL, vgic_uaccess_write_cenable, 4,
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH_UACCESS(SZ_64K + GICR_ISPENDR0,
vgic_mmio_read_pending, vgic_mmio_write_spending,
@@ -625,12 +630,12 @@ static const struct vgic_register_region vgic_v3_rd_registers[] = {
VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH_UACCESS(SZ_64K + GICR_ISACTIVER0,
vgic_mmio_read_active, vgic_mmio_write_sactive,
- NULL, vgic_mmio_uaccess_write_sactive,
- 4, VGIC_ACCESS_32bit),
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_sactive, 4,
+ VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH_UACCESS(SZ_64K + GICR_ICACTIVER0,
vgic_mmio_read_active, vgic_mmio_write_cactive,
- NULL, vgic_mmio_uaccess_write_cactive,
- 4, VGIC_ACCESS_32bit),
+ vgic_uaccess_read_active, vgic_mmio_uaccess_write_cactive, 4,
+ VGIC_ACCESS_32bit),
REGISTER_DESC_WITH_LENGTH(SZ_64K + GICR_IPRIORITYR0,
vgic_mmio_read_priority, vgic_mmio_write_priority, 32,
VGIC_ACCESS_32bit | VGIC_ACCESS_8bit),
diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/arch/arm64/kvm/vgic/vgic-mmio.c
index 2199302597fa..b2d73fc0d1ef 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio.c
@@ -184,6 +184,48 @@ void vgic_mmio_write_cenable(struct kvm_vcpu *vcpu,
}
}
+int vgic_uaccess_write_senable(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val)
+{
+ u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
+ int i;
+ unsigned long flags;
+
+ for_each_set_bit(i, &val, len * 8) {
+ struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
+ irq->enabled = true;
+ vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
+
+ vgic_put_irq(vcpu->kvm, irq);
+ }
+
+ return 0;
+}
+
+int vgic_uaccess_write_cenable(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val)
+{
+ u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
+ int i;
+ unsigned long flags;
+
+ for_each_set_bit(i, &val, len * 8) {
+ struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
+ irq->enabled = false;
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
+
+ vgic_put_irq(vcpu->kvm, irq);
+ }
+
+ return 0;
+}
+
unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len)
{
@@ -219,17 +261,6 @@ unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
return value;
}
-/* Must be called with irq->irq_lock held */
-static void vgic_hw_irq_spending(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
- bool is_uaccess)
-{
- if (is_uaccess)
- return;
-
- irq->pending_latch = true;
- vgic_irq_set_phys_active(irq, true);
-}
-
static bool is_vgic_v2_sgi(struct kvm_vcpu *vcpu, struct vgic_irq *irq)
{
return (vgic_irq_is_sgi(irq->intid) &&
@@ -240,7 +271,6 @@ void vgic_mmio_write_spending(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val)
{
- bool is_uaccess = !kvm_get_running_vcpu();
u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
int i;
unsigned long flags;
@@ -270,22 +300,48 @@ void vgic_mmio_write_spending(struct kvm_vcpu *vcpu,
continue;
}
+ irq->pending_latch = true;
if (irq->hw)
- vgic_hw_irq_spending(vcpu, irq, is_uaccess);
- else
- irq->pending_latch = true;
+ vgic_irq_set_phys_active(irq, true);
+
vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
vgic_put_irq(vcpu->kvm, irq);
}
}
-/* Must be called with irq->irq_lock held */
-static void vgic_hw_irq_cpending(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
- bool is_uaccess)
+int vgic_uaccess_write_spending(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val)
{
- if (is_uaccess)
- return;
+ u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
+ int i;
+ unsigned long flags;
+
+ for_each_set_bit(i, &val, len * 8) {
+ struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
+ irq->pending_latch = true;
+ /*
+ * GICv2 SGIs are terribly broken. We can't restore
+ * the source of the interrupt, so just pick the vcpu
+ * itself as the source...
+ */
+ if (is_vgic_v2_sgi(vcpu, irq))
+ irq->source |= BIT(vcpu->vcpu_id);
+
+ vgic_queue_irq_unlock(vcpu->kvm, irq, flags);
+
+ vgic_put_irq(vcpu->kvm, irq);
+ }
+
+ return 0;
+}
+
+/* Must be called with irq->irq_lock held */
+static void vgic_hw_irq_cpending(struct kvm_vcpu *vcpu, struct vgic_irq *irq)
+{
irq->pending_latch = false;
/*
@@ -308,7 +364,6 @@ void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val)
{
- bool is_uaccess = !kvm_get_running_vcpu();
u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
int i;
unsigned long flags;
@@ -339,7 +394,7 @@ void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
}
if (irq->hw)
- vgic_hw_irq_cpending(vcpu, irq, is_uaccess);
+ vgic_hw_irq_cpending(vcpu, irq);
else
irq->pending_latch = false;
@@ -348,8 +403,68 @@ void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
}
}
-unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
- gpa_t addr, unsigned int len)
+int vgic_uaccess_write_cpending(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val)
+{
+ u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
+ int i;
+ unsigned long flags;
+
+ for_each_set_bit(i, &val, len * 8) {
+ struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+
+ raw_spin_lock_irqsave(&irq->irq_lock, flags);
+ /*
+ * More fun with GICv2 SGIs! If we're clearing one of them
+ * from userspace, which source vcpu to clear? Let's not
+ * even think of it, and blow the whole set.
+ */
+ if (is_vgic_v2_sgi(vcpu, irq))
+ irq->source = 0;
+
+ irq->pending_latch = false;
+
+ raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
+
+ vgic_put_irq(vcpu->kvm, irq);
+ }
+
+ return 0;
+}
+
+/*
+ * If we are fiddling with an IRQ's active state, we have to make sure the IRQ
+ * is not queued on some running VCPU's LRs, because then the change to the
+ * active state can be overwritten when the VCPU's state is synced coming back
+ * from the guest.
+ *
+ * For shared interrupts as well as GICv3 private interrupts, we have to
+ * stop all the VCPUs because interrupts can be migrated while we don't hold
+ * the IRQ locks and we don't want to be chasing moving targets.
+ *
+ * For GICv2 private interrupts we don't have to do anything because
+ * userspace accesses to the VGIC state already require all VCPUs to be
+ * stopped, and only the VCPU itself can modify its private interrupts
+ * active state, which guarantees that the VCPU is not running.
+ */
+static void vgic_access_active_prepare(struct kvm_vcpu *vcpu, u32 intid)
+{
+ if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 ||
+ intid >= VGIC_NR_PRIVATE_IRQS)
+ kvm_arm_halt_guest(vcpu->kvm);
+}
+
+/* See vgic_access_active_prepare */
+static void vgic_access_active_finish(struct kvm_vcpu *vcpu, u32 intid)
+{
+ if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 ||
+ intid >= VGIC_NR_PRIVATE_IRQS)
+ kvm_arm_resume_guest(vcpu->kvm);
+}
+
+static unsigned long __vgic_mmio_read_active(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len)
{
u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
u32 value = 0;
@@ -359,6 +474,10 @@ unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
for (i = 0; i < len * 8; i++) {
struct vgic_irq *irq = vgic_get_irq(vcpu->kvm, vcpu, intid + i);
+ /*
+ * Even for HW interrupts, don't evaluate the HW state as
+ * all the guest is interested in is the virtual state.
+ */
if (irq->active)
value |= (1U << i);
@@ -368,6 +487,29 @@ unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
return value;
}
+unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len)
+{
+ u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
+ u32 val;
+
+ mutex_lock(&vcpu->kvm->lock);
+ vgic_access_active_prepare(vcpu, intid);
+
+ val = __vgic_mmio_read_active(vcpu, addr, len);
+
+ vgic_access_active_finish(vcpu, intid);
+ mutex_unlock(&vcpu->kvm->lock);
+
+ return val;
+}
+
+unsigned long vgic_uaccess_read_active(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len)
+{
+ return __vgic_mmio_read_active(vcpu, addr, len);
+}
+
/* Must be called with irq->irq_lock held */
static void vgic_hw_irq_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
bool active, bool is_uaccess)
@@ -426,36 +568,6 @@ static void vgic_mmio_change_active(struct kvm_vcpu *vcpu, struct vgic_irq *irq,
raw_spin_unlock_irqrestore(&irq->irq_lock, flags);
}
-/*
- * If we are fiddling with an IRQ's active state, we have to make sure the IRQ
- * is not queued on some running VCPU's LRs, because then the change to the
- * active state can be overwritten when the VCPU's state is synced coming back
- * from the guest.
- *
- * For shared interrupts, we have to stop all the VCPUs because interrupts can
- * be migrated while we don't hold the IRQ locks and we don't want to be
- * chasing moving targets.
- *
- * For private interrupts we don't have to do anything because userspace
- * accesses to the VGIC state already require all VCPUs to be stopped, and
- * only the VCPU itself can modify its private interrupts active state, which
- * guarantees that the VCPU is not running.
- */
-static void vgic_change_active_prepare(struct kvm_vcpu *vcpu, u32 intid)
-{
- if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 ||
- intid > VGIC_NR_PRIVATE_IRQS)
- kvm_arm_halt_guest(vcpu->kvm);
-}
-
-/* See vgic_change_active_prepare */
-static void vgic_change_active_finish(struct kvm_vcpu *vcpu, u32 intid)
-{
- if (vcpu->kvm->arch.vgic.vgic_model == KVM_DEV_TYPE_ARM_VGIC_V3 ||
- intid > VGIC_NR_PRIVATE_IRQS)
- kvm_arm_resume_guest(vcpu->kvm);
-}
-
static void __vgic_mmio_write_cactive(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val)
@@ -477,11 +589,11 @@ void vgic_mmio_write_cactive(struct kvm_vcpu *vcpu,
u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
mutex_lock(&vcpu->kvm->lock);
- vgic_change_active_prepare(vcpu, intid);
+ vgic_access_active_prepare(vcpu, intid);
__vgic_mmio_write_cactive(vcpu, addr, len, val);
- vgic_change_active_finish(vcpu, intid);
+ vgic_access_active_finish(vcpu, intid);
mutex_unlock(&vcpu->kvm->lock);
}
@@ -514,11 +626,11 @@ void vgic_mmio_write_sactive(struct kvm_vcpu *vcpu,
u32 intid = VGIC_ADDR_TO_INTID(addr, 1);
mutex_lock(&vcpu->kvm->lock);
- vgic_change_active_prepare(vcpu, intid);
+ vgic_access_active_prepare(vcpu, intid);
__vgic_mmio_write_sactive(vcpu, addr, len, val);
- vgic_change_active_finish(vcpu, intid);
+ vgic_access_active_finish(vcpu, intid);
mutex_unlock(&vcpu->kvm->lock);
}
diff --git a/virt/kvm/arm/vgic/vgic-mmio.h b/arch/arm64/kvm/vgic/vgic-mmio.h
index 5af2aefad435..fefcca2b14dc 100644
--- a/virt/kvm/arm/vgic/vgic-mmio.h
+++ b/arch/arm64/kvm/vgic/vgic-mmio.h
@@ -138,6 +138,14 @@ void vgic_mmio_write_cenable(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val);
+int vgic_uaccess_write_senable(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val);
+
+int vgic_uaccess_write_cenable(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val);
+
unsigned long vgic_mmio_read_pending(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len);
@@ -149,9 +157,20 @@ void vgic_mmio_write_cpending(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val);
+int vgic_uaccess_write_spending(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val);
+
+int vgic_uaccess_write_cpending(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len,
+ unsigned long val);
+
unsigned long vgic_mmio_read_active(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len);
+unsigned long vgic_uaccess_read_active(struct kvm_vcpu *vcpu,
+ gpa_t addr, unsigned int len);
+
void vgic_mmio_write_cactive(struct kvm_vcpu *vcpu,
gpa_t addr, unsigned int len,
unsigned long val);
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/arch/arm64/kvm/vgic/vgic-v2.c
index 621cc168fe3f..ebf53a4e1296 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-v2.c
@@ -56,7 +56,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
cpuif->vgic_hcr &= ~GICH_HCR_UIE;
- for (lr = 0; lr < vgic_cpu->used_lrs; lr++) {
+ for (lr = 0; lr < vgic_cpu->vgic_v2.used_lrs; lr++) {
u32 val = cpuif->vgic_lr[lr];
u32 cpuid, intid = val & GICH_LR_VIRTUALID;
struct vgic_irq *irq;
@@ -120,7 +120,7 @@ void vgic_v2_fold_lr_state(struct kvm_vcpu *vcpu)
vgic_put_irq(vcpu->kvm, irq);
}
- vgic_cpu->used_lrs = 0;
+ cpuif->used_lrs = 0;
}
/*
@@ -427,7 +427,7 @@ out:
static void save_lrs(struct kvm_vcpu *vcpu, void __iomem *base)
{
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
- u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 used_lrs = cpu_if->used_lrs;
u64 elrsr;
int i;
@@ -448,7 +448,7 @@ static void save_lrs(struct kvm_vcpu *vcpu, void __iomem *base)
void vgic_v2_save_state(struct kvm_vcpu *vcpu)
{
void __iomem *base = kvm_vgic_global_state.vctrl_base;
- u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 used_lrs = vcpu->arch.vgic_cpu.vgic_v2.used_lrs;
if (!base)
return;
@@ -463,7 +463,7 @@ void vgic_v2_restore_state(struct kvm_vcpu *vcpu)
{
struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
void __iomem *base = kvm_vgic_global_state.vctrl_base;
- u64 used_lrs = vcpu->arch.vgic_cpu.used_lrs;
+ u64 used_lrs = cpu_if->used_lrs;
int i;
if (!base)
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/arch/arm64/kvm/vgic/vgic-v3.c
index 2c9fc13e2c59..76e2d85789ed 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-v3.c
@@ -39,7 +39,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
cpuif->vgic_hcr &= ~ICH_HCR_UIE;
- for (lr = 0; lr < vgic_cpu->used_lrs; lr++) {
+ for (lr = 0; lr < cpuif->used_lrs; lr++) {
u64 val = cpuif->vgic_lr[lr];
u32 intid, cpuid;
struct vgic_irq *irq;
@@ -111,7 +111,7 @@ void vgic_v3_fold_lr_state(struct kvm_vcpu *vcpu)
vgic_put_irq(vcpu->kvm, irq);
}
- vgic_cpu->used_lrs = 0;
+ cpuif->used_lrs = 0;
}
/* Requires the irq to be locked already */
@@ -587,7 +587,7 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
int ret;
/*
- * The ListRegs field is 5 bits, but there is a architectural
+ * The ListRegs field is 5 bits, but there is an architectural
* maximum of 16 list registers. Just ignore bit 4...
*/
kvm_vgic_global_state.nr_lr = (ich_vtr_el2 & 0xf) + 1;
@@ -630,12 +630,10 @@ int vgic_v3_probe(const struct gic_kvm_info *info)
if (kvm_vgic_global_state.vcpu_base == 0)
kvm_info("disabling GICv2 emulation\n");
-#ifdef CONFIG_ARM64
if (cpus_have_const_cap(ARM64_WORKAROUND_CAVIUM_30115)) {
group0_trap = true;
group1_trap = true;
}
-#endif
if (group0_trap || group1_trap || common_trap) {
kvm_info("GICv3 sysreg trapping enabled ([%s%s%s], reduced performance)\n",
@@ -664,10 +662,10 @@ void vgic_v3_load(struct kvm_vcpu *vcpu)
if (likely(cpu_if->vgic_sre))
kvm_call_hyp(__vgic_v3_write_vmcr, cpu_if->vgic_vmcr);
- kvm_call_hyp(__vgic_v3_restore_aprs, vcpu);
+ kvm_call_hyp(__vgic_v3_restore_aprs, kern_hyp_va(cpu_if));
if (has_vhe())
- __vgic_v3_activate_traps(vcpu);
+ __vgic_v3_activate_traps(cpu_if);
WARN_ON(vgic_v4_load(vcpu));
}
@@ -682,12 +680,14 @@ void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu)
void vgic_v3_put(struct kvm_vcpu *vcpu)
{
+ struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
+
WARN_ON(vgic_v4_put(vcpu, false));
vgic_v3_vmcr_sync(vcpu);
- kvm_call_hyp(__vgic_v3_save_aprs, vcpu);
+ kvm_call_hyp(__vgic_v3_save_aprs, kern_hyp_va(cpu_if));
if (has_vhe())
- __vgic_v3_deactivate_traps(vcpu);
+ __vgic_v3_deactivate_traps(cpu_if);
}
diff --git a/virt/kvm/arm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index 27ac833e5ec7..27ac833e5ec7 100644
--- a/virt/kvm/arm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
diff --git a/virt/kvm/arm/vgic/vgic.c b/arch/arm64/kvm/vgic/vgic.c
index 99b02ca730a8..c3643b7f101b 100644
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/arch/arm64/kvm/vgic/vgic.c
@@ -786,6 +786,7 @@ static void vgic_flush_lr_state(struct kvm_vcpu *vcpu)
int count;
bool multi_sgi;
u8 prio = 0xff;
+ int i = 0;
lockdep_assert_held(&vgic_cpu->ap_list_lock);
@@ -827,11 +828,14 @@ static void vgic_flush_lr_state(struct kvm_vcpu *vcpu)
}
}
- vcpu->arch.vgic_cpu.used_lrs = count;
-
/* Nuke remaining LRs */
- for ( ; count < kvm_vgic_global_state.nr_lr; count++)
- vgic_clear_lr(vcpu, count);
+ for (i = count ; i < kvm_vgic_global_state.nr_lr; i++)
+ vgic_clear_lr(vcpu, i);
+
+ if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
+ vcpu->arch.vgic_cpu.vgic_v2.used_lrs = count;
+ else
+ vcpu->arch.vgic_cpu.vgic_v3.used_lrs = count;
}
static inline bool can_access_vgic_from_kernel(void)
@@ -849,13 +853,13 @@ static inline void vgic_save_state(struct kvm_vcpu *vcpu)
if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
vgic_v2_save_state(vcpu);
else
- __vgic_v3_save_state(vcpu);
+ __vgic_v3_save_state(&vcpu->arch.vgic_cpu.vgic_v3);
}
/* Sync back the hardware VGIC state into our emulation after a guest's run. */
void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
{
- struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
+ int used_lrs;
/* An empty ap_list_head implies used_lrs == 0 */
if (list_empty(&vcpu->arch.vgic_cpu.ap_list_head))
@@ -864,7 +868,12 @@ void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
if (can_access_vgic_from_kernel())
vgic_save_state(vcpu);
- if (vgic_cpu->used_lrs)
+ if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
+ used_lrs = vcpu->arch.vgic_cpu.vgic_v2.used_lrs;
+ else
+ used_lrs = vcpu->arch.vgic_cpu.vgic_v3.used_lrs;
+
+ if (used_lrs)
vgic_fold_lr_state(vcpu);
vgic_prune_ap_list(vcpu);
}
@@ -874,7 +883,7 @@ static inline void vgic_restore_state(struct kvm_vcpu *vcpu)
if (!static_branch_unlikely(&kvm_vgic_global_state.gicv3_cpuif))
vgic_v2_restore_state(vcpu);
else
- __vgic_v3_restore_state(vcpu);
+ __vgic_v3_restore_state(&vcpu->arch.vgic_cpu.vgic_v3);
}
/* Flush our emulation state into the GIC hardware before entering the guest. */
diff --git a/virt/kvm/arm/vgic/vgic.h b/arch/arm64/kvm/vgic/vgic.h
index 769e4802645e..64fcd7511110 100644
--- a/virt/kvm/arm/vgic/vgic.h
+++ b/arch/arm64/kvm/vgic/vgic.h
@@ -42,7 +42,7 @@
VGIC_AFFINITY_LEVEL(val, 3))
/*
- * As per Documentation/virt/kvm/devices/arm-vgic-v3.txt,
+ * As per Documentation/virt/kvm/devices/arm-vgic-v3.rst,
* below macros are defined for CPUREG encoding.
*/
#define KVM_REG_ARM_VGIC_SYSREG_OP0_MASK 0x000000000000c000
@@ -63,7 +63,7 @@
KVM_REG_ARM_VGIC_SYSREG_OP2_MASK)
/*
- * As per Documentation/virt/kvm/devices/arm-vgic-its.txt,
+ * As per Documentation/virt/kvm/devices/arm-vgic-its.rst,
* below macros are defined for ITS table entry encoding.
*/
#define KVM_ITS_CTE_VALID_SHIFT 63
diff --git a/arch/arm64/lib/copy_from_user.S b/arch/arm64/lib/copy_from_user.S
index 8e25e89ad01f..0f8a3a9e3795 100644
--- a/arch/arm64/lib/copy_from_user.S
+++ b/arch/arm64/lib/copy_from_user.S
@@ -20,36 +20,36 @@
* x0 - bytes not copied
*/
- .macro ldrb1 ptr, regB, val
- uao_user_alternative 9998f, ldrb, ldtrb, \ptr, \regB, \val
+ .macro ldrb1 reg, ptr, val
+ uao_user_alternative 9998f, ldrb, ldtrb, \reg, \ptr, \val
.endm
- .macro strb1 ptr, regB, val
- strb \ptr, [\regB], \val
+ .macro strb1 reg, ptr, val
+ strb \reg, [\ptr], \val
.endm
- .macro ldrh1 ptr, regB, val
- uao_user_alternative 9998f, ldrh, ldtrh, \ptr, \regB, \val
+ .macro ldrh1 reg, ptr, val
+ uao_user_alternative 9998f, ldrh, ldtrh, \reg, \ptr, \val
.endm
- .macro strh1 ptr, regB, val
- strh \ptr, [\regB], \val
+ .macro strh1 reg, ptr, val
+ strh \reg, [\ptr], \val
.endm
- .macro ldr1 ptr, regB, val
- uao_user_alternative 9998f, ldr, ldtr, \ptr, \regB, \val
+ .macro ldr1 reg, ptr, val
+ uao_user_alternative 9998f, ldr, ldtr, \reg, \ptr, \val
.endm
- .macro str1 ptr, regB, val
- str \ptr, [\regB], \val
+ .macro str1 reg, ptr, val
+ str \reg, [\ptr], \val
.endm
- .macro ldp1 ptr, regB, regC, val
- uao_ldp 9998f, \ptr, \regB, \regC, \val
+ .macro ldp1 reg1, reg2, ptr, val
+ uao_ldp 9998f, \reg1, \reg2, \ptr, \val
.endm
- .macro stp1 ptr, regB, regC, val
- stp \ptr, \regB, [\regC], \val
+ .macro stp1 reg1, reg2, ptr, val
+ stp \reg1, \reg2, [\ptr], \val
.endm
end .req x5
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S
index 667139013ed1..80e37ada0ee1 100644
--- a/arch/arm64/lib/copy_in_user.S
+++ b/arch/arm64/lib/copy_in_user.S
@@ -21,36 +21,36 @@
* Returns:
* x0 - bytes not copied
*/
- .macro ldrb1 ptr, regB, val
- uao_user_alternative 9998f, ldrb, ldtrb, \ptr, \regB, \val
+ .macro ldrb1 reg, ptr, val
+ uao_user_alternative 9998f, ldrb, ldtrb, \reg, \ptr, \val
.endm
- .macro strb1 ptr, regB, val
- uao_user_alternative 9998f, strb, sttrb, \ptr, \regB, \val
+ .macro strb1 reg, ptr, val
+ uao_user_alternative 9998f, strb, sttrb, \reg, \ptr, \val
.endm
- .macro ldrh1 ptr, regB, val
- uao_user_alternative 9998f, ldrh, ldtrh, \ptr, \regB, \val
+ .macro ldrh1 reg, ptr, val
+ uao_user_alternative 9998f, ldrh, ldtrh, \reg, \ptr, \val
.endm
- .macro strh1 ptr, regB, val
- uao_user_alternative 9998f, strh, sttrh, \ptr, \regB, \val
+ .macro strh1 reg, ptr, val
+ uao_user_alternative 9998f, strh, sttrh, \reg, \ptr, \val
.endm
- .macro ldr1 ptr, regB, val
- uao_user_alternative 9998f, ldr, ldtr, \ptr, \regB, \val
+ .macro ldr1 reg, ptr, val
+ uao_user_alternative 9998f, ldr, ldtr, \reg, \ptr, \val
.endm
- .macro str1 ptr, regB, val
- uao_user_alternative 9998f, str, sttr, \ptr, \regB, \val
+ .macro str1 reg, ptr, val
+ uao_user_alternative 9998f, str, sttr, \reg, \ptr, \val
.endm
- .macro ldp1 ptr, regB, regC, val
- uao_ldp 9998f, \ptr, \regB, \regC, \val
+ .macro ldp1 reg1, reg2, ptr, val
+ uao_ldp 9998f, \reg1, \reg2, \ptr, \val
.endm
- .macro stp1 ptr, regB, regC, val
- uao_stp 9998f, \ptr, \regB, \regC, \val
+ .macro stp1 reg1, reg2, ptr, val
+ uao_stp 9998f, \reg1, \reg2, \ptr, \val
.endm
end .req x5
diff --git a/arch/arm64/lib/copy_to_user.S b/arch/arm64/lib/copy_to_user.S
index 1a104d0089f3..4ec59704b8f2 100644
--- a/arch/arm64/lib/copy_to_user.S
+++ b/arch/arm64/lib/copy_to_user.S
@@ -19,36 +19,36 @@
* Returns:
* x0 - bytes not copied
*/
- .macro ldrb1 ptr, regB, val
- ldrb \ptr, [\regB], \val
+ .macro ldrb1 reg, ptr, val
+ ldrb \reg, [\ptr], \val
.endm
- .macro strb1 ptr, regB, val
- uao_user_alternative 9998f, strb, sttrb, \ptr, \regB, \val
+ .macro strb1 reg, ptr, val
+ uao_user_alternative 9998f, strb, sttrb, \reg, \ptr, \val
.endm
- .macro ldrh1 ptr, regB, val
- ldrh \ptr, [\regB], \val
+ .macro ldrh1 reg, ptr, val
+ ldrh \reg, [\ptr], \val
.endm
- .macro strh1 ptr, regB, val
- uao_user_alternative 9998f, strh, sttrh, \ptr, \regB, \val
+ .macro strh1 reg, ptr, val
+ uao_user_alternative 9998f, strh, sttrh, \reg, \ptr, \val
.endm
- .macro ldr1 ptr, regB, val
- ldr \ptr, [\regB], \val
+ .macro ldr1 reg, ptr, val
+ ldr \reg, [\ptr], \val
.endm
- .macro str1 ptr, regB, val
- uao_user_alternative 9998f, str, sttr, \ptr, \regB, \val
+ .macro str1 reg, ptr, val
+ uao_user_alternative 9998f, str, sttr, \reg, \ptr, \val
.endm
- .macro ldp1 ptr, regB, regC, val
- ldp \ptr, \regB, [\regC], \val
+ .macro ldp1 reg1, reg2, ptr, val
+ ldp \reg1, \reg2, [\ptr], \val
.endm
- .macro stp1 ptr, regB, regC, val
- uao_stp 9998f, \ptr, \regB, \regC, \val
+ .macro stp1 reg1, reg2, ptr, val
+ uao_stp 9998f, \reg1, \reg2, \ptr, \val
.endm
end .req x5
diff --git a/arch/arm64/lib/crc32.S b/arch/arm64/lib/crc32.S
index 243e107e9896..0f9e10ecda23 100644
--- a/arch/arm64/lib/crc32.S
+++ b/arch/arm64/lib/crc32.S
@@ -9,7 +9,7 @@
#include <asm/alternative.h>
#include <asm/assembler.h>
- .cpu generic+crc
+ .arch armv8-a+crc
.macro __crc32, c
cmp x2, #16
diff --git a/arch/arm64/lib/memcpy.S b/arch/arm64/lib/memcpy.S
index 9f382adfa88a..e0bf83d556f2 100644
--- a/arch/arm64/lib/memcpy.S
+++ b/arch/arm64/lib/memcpy.S
@@ -24,36 +24,36 @@
* Returns:
* x0 - dest
*/
- .macro ldrb1 ptr, regB, val
- ldrb \ptr, [\regB], \val
+ .macro ldrb1 reg, ptr, val
+ ldrb \reg, [\ptr], \val
.endm
- .macro strb1 ptr, regB, val
- strb \ptr, [\regB], \val
+ .macro strb1 reg, ptr, val
+ strb \reg, [\ptr], \val
.endm
- .macro ldrh1 ptr, regB, val
- ldrh \ptr, [\regB], \val
+ .macro ldrh1 reg, ptr, val
+ ldrh \reg, [\ptr], \val
.endm
- .macro strh1 ptr, regB, val
- strh \ptr, [\regB], \val
+ .macro strh1 reg, ptr, val
+ strh \reg, [\ptr], \val
.endm
- .macro ldr1 ptr, regB, val
- ldr \ptr, [\regB], \val
+ .macro ldr1 reg, ptr, val
+ ldr \reg, [\ptr], \val
.endm
- .macro str1 ptr, regB, val
- str \ptr, [\regB], \val
+ .macro str1 reg, ptr, val
+ str \reg, [\ptr], \val
.endm
- .macro ldp1 ptr, regB, regC, val
- ldp \ptr, \regB, [\regC], \val
+ .macro ldp1 reg1, reg2, ptr, val
+ ldp \reg1, \reg2, [\ptr], \val
.endm
- .macro stp1 ptr, regB, regC, val
- stp \ptr, \regB, [\regC], \val
+ .macro stp1 reg1, reg2, ptr, val
+ stp \reg1, \reg2, [\ptr], \val
.endm
.weak memcpy
diff --git a/arch/arm64/mm/context.c b/arch/arm64/mm/context.c
index 9b26f9a88724..d702d60e64da 100644
--- a/arch/arm64/mm/context.c
+++ b/arch/arm64/mm/context.c
@@ -92,6 +92,9 @@ static void set_reserved_asid_bits(void)
bitmap_clear(asid_map, 0, NUM_USER_ASIDS);
}
+#define asid_gen_match(asid) \
+ (!(((asid) ^ atomic64_read(&asid_generation)) >> asid_bits))
+
static void flush_context(void)
{
int i;
@@ -220,8 +223,7 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu)
* because atomic RmWs are totally ordered for a given location.
*/
old_active_asid = atomic64_read(&per_cpu(active_asids, cpu));
- if (old_active_asid &&
- !((asid ^ atomic64_read(&asid_generation)) >> asid_bits) &&
+ if (old_active_asid && asid_gen_match(asid) &&
atomic64_cmpxchg_relaxed(&per_cpu(active_asids, cpu),
old_active_asid, asid))
goto switch_mm_fastpath;
@@ -229,7 +231,7 @@ void check_and_switch_context(struct mm_struct *mm, unsigned int cpu)
raw_spin_lock_irqsave(&cpu_asid_lock, flags);
/* Check that our ASID belongs to the current generation. */
asid = atomic64_read(&mm->context.id);
- if ((asid ^ atomic64_read(&asid_generation)) >> asid_bits) {
+ if (!asid_gen_match(asid)) {
asid = new_context(mm);
atomic64_set(&mm->context.id, asid);
}
diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
index 860c00ec8bd3..0da020c563e6 100644
--- a/arch/arm64/mm/dump.c
+++ b/arch/arm64/mm/dump.c
@@ -146,6 +146,11 @@ static const struct prot_bits pte_bits[] = {
.set = "UXN",
.clear = " ",
}, {
+ .mask = PTE_GP,
+ .val = PTE_GP,
+ .set = "GP",
+ .clear = " ",
+ }, {
.mask = PTE_ATTRINDX_MASK,
.val = PTE_ATTRINDX(MT_DEVICE_nGnRnE),
.set = "DEVICE/nGnRnE",
@@ -247,7 +252,7 @@ static void note_prot_wx(struct pg_state *st, unsigned long addr)
}
static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
- unsigned long val)
+ u64 val)
{
struct pg_state *st = container_of(pt_st, struct pg_state, ptdump);
static const char units[] = "KMGTPE";
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index c9cedc0432d2..dff2d72b0883 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -635,11 +635,13 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
inf = esr_to_fault_info(esr);
- /*
- * Return value ignored as we rely on signal merging.
- * Future patches will make this more robust.
- */
- apei_claim_sea(regs);
+ if (user_mode(regs) && apei_claim_sea(regs) == 0) {
+ /*
+ * APEI claimed this as a firmware-first notification.
+ * Some processing deferred to task_work before ret_to_user().
+ */
+ return 0;
+ }
if (esr & ESR_ELx_FnV)
siaddr = NULL;
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index bbeb6a5a6ba6..07f154b8b84a 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -230,6 +230,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
ptep = (pte_t *)pudp;
} else if (sz == (CONT_PTE_SIZE)) {
pmdp = pmd_alloc(mm, pudp, addr);
+ if (!pmdp)
+ return NULL;
WARN_ON(addr & (sz - 1));
/*
@@ -441,44 +443,30 @@ void huge_ptep_clear_flush(struct vm_area_struct *vma,
clear_flush(vma->vm_mm, addr, ptep, pgsize, ncontig);
}
-static void __init add_huge_page_size(unsigned long size)
-{
- if (size_to_hstate(size))
- return;
-
- hugetlb_add_hstate(ilog2(size) - PAGE_SHIFT);
-}
-
static int __init hugetlbpage_init(void)
{
#ifdef CONFIG_ARM64_4K_PAGES
- add_huge_page_size(PUD_SIZE);
+ hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
#endif
- add_huge_page_size(CONT_PMD_SIZE);
- add_huge_page_size(PMD_SIZE);
- add_huge_page_size(CONT_PTE_SIZE);
+ hugetlb_add_hstate((CONT_PMD_SHIFT + PMD_SHIFT) - PAGE_SHIFT);
+ hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate((CONT_PTE_SHIFT + PAGE_SHIFT) - PAGE_SHIFT);
return 0;
}
arch_initcall(hugetlbpage_init);
-static __init int setup_hugepagesz(char *opt)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long ps = memparse(opt, &opt);
-
- switch (ps) {
+ switch (size) {
#ifdef CONFIG_ARM64_4K_PAGES
case PUD_SIZE:
#endif
case CONT_PMD_SIZE:
case PMD_SIZE:
case CONT_PTE_SIZE:
- add_huge_page_size(ps);
- return 1;
+ return true;
}
- hugetlb_bad_size();
- pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10);
- return 0;
+ return false;
}
-__setup("hugepagesz=", setup_hugepagesz);
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index e42727e3568e..e631e6425165 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -192,8 +192,6 @@ static phys_addr_t __init max_zone_phys(unsigned int zone_bits)
return min(offset + (1ULL << zone_bits), memblock_end_of_DRAM());
}
-#ifdef CONFIG_NUMA
-
static void __init zone_sizes_init(unsigned long min, unsigned long max)
{
unsigned long max_zone_pfns[MAX_NR_ZONES] = {0};
@@ -206,61 +204,9 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
#endif
max_zone_pfns[ZONE_NORMAL] = max;
- free_area_init_nodes(max_zone_pfns);
-}
-
-#else
-
-static void __init zone_sizes_init(unsigned long min, unsigned long max)
-{
- struct memblock_region *reg;
- unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
- unsigned long __maybe_unused max_dma, max_dma32;
-
- memset(zone_size, 0, sizeof(zone_size));
-
- max_dma = max_dma32 = min;
-#ifdef CONFIG_ZONE_DMA
- max_dma = max_dma32 = PFN_DOWN(arm64_dma_phys_limit);
- zone_size[ZONE_DMA] = max_dma - min;
-#endif
-#ifdef CONFIG_ZONE_DMA32
- max_dma32 = PFN_DOWN(arm64_dma32_phys_limit);
- zone_size[ZONE_DMA32] = max_dma32 - max_dma;
-#endif
- zone_size[ZONE_NORMAL] = max - max_dma32;
-
- memcpy(zhole_size, zone_size, sizeof(zhole_size));
-
- for_each_memblock(memory, reg) {
- unsigned long start = memblock_region_memory_base_pfn(reg);
- unsigned long end = memblock_region_memory_end_pfn(reg);
-
-#ifdef CONFIG_ZONE_DMA
- if (start >= min && start < max_dma) {
- unsigned long dma_end = min(end, max_dma);
- zhole_size[ZONE_DMA] -= dma_end - start;
- start = dma_end;
- }
-#endif
-#ifdef CONFIG_ZONE_DMA32
- if (start >= max_dma && start < max_dma32) {
- unsigned long dma32_end = min(end, max_dma32);
- zhole_size[ZONE_DMA32] -= dma32_end - start;
- start = dma32_end;
- }
-#endif
- if (start >= max_dma32 && start < max) {
- unsigned long normal_end = min(end, max);
- zhole_size[ZONE_NORMAL] -= normal_end - start;
- }
- }
-
- free_area_init_node(0, zone_size, min, zhole_size);
+ free_area_init(max_zone_pfns);
}
-#endif /* CONFIG_NUMA */
-
int pfn_valid(unsigned long pfn)
{
phys_addr_t addr = pfn << PAGE_SHIFT;
@@ -272,7 +218,7 @@ int pfn_valid(unsigned long pfn)
if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
return 0;
- if (!valid_section(__nr_to_section(pfn_to_section_nr(pfn))))
+ if (!valid_section(__pfn_to_section(pfn)))
return 0;
#endif
return memblock_is_map_memory(addr);
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index a374e4f51a62..c299b73dd5e4 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -610,6 +610,22 @@ core_initcall(map_entry_trampoline);
#endif
/*
+ * Open coded check for BTI, only for use to determine configuration
+ * for early mappings for before the cpufeature code has run.
+ */
+static bool arm64_early_this_cpu_has_bti(void)
+{
+ u64 pfr1;
+
+ if (!IS_ENABLED(CONFIG_ARM64_BTI_KERNEL))
+ return false;
+
+ pfr1 = read_sysreg_s(SYS_ID_AA64PFR1_EL1);
+ return cpuid_feature_extract_unsigned_field(pfr1,
+ ID_AA64PFR1_BT_SHIFT);
+}
+
+/*
* Create fine-grained mappings for the kernel.
*/
static void __init map_kernel(pgd_t *pgdp)
@@ -625,6 +641,14 @@ static void __init map_kernel(pgd_t *pgdp)
pgprot_t text_prot = rodata_enabled ? PAGE_KERNEL_ROX : PAGE_KERNEL_EXEC;
/*
+ * If we have a CPU that supports BTI and a kernel built for
+ * BTI then mark the kernel executable text as guarded pages
+ * now so we don't have to rewrite the page tables later.
+ */
+ if (arm64_early_this_cpu_has_bti())
+ text_prot = __pgprot_modify(text_prot, PTE_GP, PTE_GP);
+
+ /*
* Only rodata will be remapped with different permissions later on,
* all other segments are allowed to use contiguous mappings.
*/
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 4decf1659700..aafcee3e3f7e 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -350,13 +350,16 @@ static int __init numa_register_nodes(void)
struct memblock_region *mblk;
/* Check that valid nid is set to memblks */
- for_each_memblock(memory, mblk)
- if (mblk->nid == NUMA_NO_NODE || mblk->nid >= MAX_NUMNODES) {
+ for_each_memblock(memory, mblk) {
+ int mblk_nid = memblock_get_region_node(mblk);
+
+ if (mblk_nid == NUMA_NO_NODE || mblk_nid >= MAX_NUMNODES) {
pr_warn("Warning: invalid memblk node %d [mem %#010Lx-%#010Lx]\n",
- mblk->nid, mblk->base,
+ mblk_nid, mblk->base,
mblk->base + mblk->size - 1);
return -EINVAL;
}
+ }
/* Finally register nodes. */
for_each_node_mask(nid, numa_nodes_parsed) {
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c
index 250c49008d73..bde08090b838 100644
--- a/arch/arm64/mm/pageattr.c
+++ b/arch/arm64/mm/pageattr.c
@@ -126,13 +126,13 @@ int set_memory_nx(unsigned long addr, int numpages)
{
return change_memory_common(addr, numpages,
__pgprot(PTE_PXN),
- __pgprot(0));
+ __pgprot(PTE_MAYBE_GP));
}
int set_memory_x(unsigned long addr, int numpages)
{
return change_memory_common(addr, numpages,
- __pgprot(0),
+ __pgprot(PTE_MAYBE_GP),
__pgprot(PTE_PXN));
}
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 197a9ba2d5ea..b7bebb12a56d 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -58,6 +58,8 @@
* cpu_do_suspend - save CPU registers context
*
* x0: virtual address of context pointer
+ *
+ * This must be kept in sync with struct cpu_suspend_ctx in <asm/suspend.h>.
*/
SYM_FUNC_START(cpu_do_suspend)
mrs x2, tpidr_el0
@@ -82,6 +84,11 @@ alternative_endif
stp x8, x9, [x0, #48]
stp x10, x11, [x0, #64]
stp x12, x13, [x0, #80]
+ /*
+ * Save x18 as it may be used as a platform register, e.g. by shadow
+ * call stack.
+ */
+ str x18, [x0, #96]
ret
SYM_FUNC_END(cpu_do_suspend)
@@ -98,6 +105,13 @@ SYM_FUNC_START(cpu_do_resume)
ldp x9, x10, [x0, #48]
ldp x11, x12, [x0, #64]
ldp x13, x14, [x0, #80]
+ /*
+ * Restore x18, as it may be used as a platform register, and clear
+ * the buffer to minimize the risk of exposure when used for shadow
+ * call stack.
+ */
+ ldr x18, [x0, #96]
+ str xzr, [x0, #96]
msr tpidr_el0, x2
msr tpidrro_el0, x3
msr contextidr_el1, x4
@@ -139,7 +153,7 @@ alternative_if ARM64_HAS_RAS_EXTN
msr_s SYS_DISR_EL1, xzr
alternative_else_nop_endif
- ptrauth_keys_install_kernel x14, 0, x1, x2, x3
+ ptrauth_keys_install_kernel_nosync x14, x1, x2, x3
isb
ret
SYM_FUNC_END(cpu_do_resume)
@@ -386,8 +400,6 @@ SYM_FUNC_END(idmap_kpti_install_ng_mappings)
*
* Initialise the processor for turning the MMU on.
*
- * Input:
- * x0 with a flag ARM64_CPU_BOOT_PRIMARY/ARM64_CPU_BOOT_SECONDARY/ARM64_CPU_RUNTIME.
* Output:
* Return in x0 the value of the SCTLR_EL1 register.
*/
@@ -446,51 +458,9 @@ SYM_FUNC_START(__cpu_setup)
1:
#endif /* CONFIG_ARM64_HW_AFDBM */
msr tcr_el1, x10
- mov x1, x0
/*
* Prepare SCTLR
*/
mov_q x0, SCTLR_EL1_SET
-
-#ifdef CONFIG_ARM64_PTR_AUTH
- /* No ptrauth setup for run time cpus */
- cmp x1, #ARM64_CPU_RUNTIME
- b.eq 3f
-
- /* Check if the CPU supports ptrauth */
- mrs x2, id_aa64isar1_el1
- ubfx x2, x2, #ID_AA64ISAR1_APA_SHIFT, #8
- cbz x2, 3f
-
- /*
- * The primary cpu keys are reset here and can be
- * re-initialised with some proper values later.
- */
- msr_s SYS_APIAKEYLO_EL1, xzr
- msr_s SYS_APIAKEYHI_EL1, xzr
-
- /* Just enable ptrauth for primary cpu */
- cmp x1, #ARM64_CPU_BOOT_PRIMARY
- b.eq 2f
-
- /* if !system_supports_address_auth() then skip enable */
-alternative_if_not ARM64_HAS_ADDRESS_AUTH
- b 3f
-alternative_else_nop_endif
-
- /* Install ptrauth key for secondary cpus */
- adr_l x2, secondary_data
- ldr x3, [x2, #CPU_BOOT_TASK] // get secondary_data.task
- cbz x3, 2f // check for slow booting cpus
- ldp x3, x4, [x2, #CPU_BOOT_PTRAUTH_KEY]
- msr_s SYS_APIAKEYLO_EL1, x3
- msr_s SYS_APIAKEYHI_EL1, x4
-
-2: /* Enable ptrauth instructions */
- ldr x2, =SCTLR_ELx_ENIA | SCTLR_ELx_ENIB | \
- SCTLR_ELx_ENDA | SCTLR_ELx_ENDB
- orr x0, x0, x2
-3:
-#endif
ret // return to head.S
SYM_FUNC_END(__cpu_setup)
diff --git a/arch/arm64/net/bpf_jit.h b/arch/arm64/net/bpf_jit.h
index eb73f9f72c46..cc0cf0f5c7c3 100644
--- a/arch/arm64/net/bpf_jit.h
+++ b/arch/arm64/net/bpf_jit.h
@@ -100,6 +100,14 @@
/* Rd = Rn OP imm12 */
#define A64_ADD_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD)
#define A64_SUB_I(sf, Rd, Rn, imm12) A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB)
+#define A64_ADDS_I(sf, Rd, Rn, imm12) \
+ A64_ADDSUB_IMM(sf, Rd, Rn, imm12, ADD_SETFLAGS)
+#define A64_SUBS_I(sf, Rd, Rn, imm12) \
+ A64_ADDSUB_IMM(sf, Rd, Rn, imm12, SUB_SETFLAGS)
+/* Rn + imm12; set condition flags */
+#define A64_CMN_I(sf, Rn, imm12) A64_ADDS_I(sf, A64_ZR, Rn, imm12)
+/* Rn - imm12; set condition flags */
+#define A64_CMP_I(sf, Rn, imm12) A64_SUBS_I(sf, A64_ZR, Rn, imm12)
/* Rd = Rn */
#define A64_MOV(sf, Rd, Rn) A64_ADD_I(sf, Rd, Rn, 0)
@@ -189,4 +197,26 @@
/* Rn & Rm; set condition flags */
#define A64_TST(sf, Rn, Rm) A64_ANDS(sf, A64_ZR, Rn, Rm)
+/* Logical (immediate) */
+#define A64_LOGIC_IMM(sf, Rd, Rn, imm, type) ({ \
+ u64 imm64 = (sf) ? (u64)imm : (u64)(u32)imm; \
+ aarch64_insn_gen_logical_immediate(AARCH64_INSN_LOGIC_##type, \
+ A64_VARIANT(sf), Rn, Rd, imm64); \
+})
+/* Rd = Rn OP imm */
+#define A64_AND_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, AND)
+#define A64_ORR_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, ORR)
+#define A64_EOR_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, EOR)
+#define A64_ANDS_I(sf, Rd, Rn, imm) A64_LOGIC_IMM(sf, Rd, Rn, imm, AND_SETFLAGS)
+/* Rn & imm; set condition flags */
+#define A64_TST_I(sf, Rn, imm) A64_ANDS_I(sf, A64_ZR, Rn, imm)
+
+/* HINTs */
+#define A64_HINT(x) aarch64_insn_gen_hint(x)
+
+/* BTI */
+#define A64_BTI_C A64_HINT(AARCH64_INSN_HINT_BTIC)
+#define A64_BTI_J A64_HINT(AARCH64_INSN_HINT_BTIJ)
+#define A64_BTI_JC A64_HINT(AARCH64_INSN_HINT_BTIJC)
+
#endif /* _BPF_JIT_H */
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index cdc79de0c794..3cb25b43b368 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -167,11 +167,21 @@ static inline int epilogue_offset(const struct jit_ctx *ctx)
return to - from;
}
+static bool is_addsub_imm(u32 imm)
+{
+ /* Either imm12 or shifted imm12. */
+ return !(imm & ~0xfff) || !(imm & ~0xfff000);
+}
+
/* Stack must be multiples of 16B */
#define STACK_ALIGN(sz) (((sz) + 15) & ~15)
/* Tail call offset to jump into */
+#if IS_ENABLED(CONFIG_ARM64_BTI_KERNEL)
+#define PROLOGUE_OFFSET 8
+#else
#define PROLOGUE_OFFSET 7
+#endif
static int build_prologue(struct jit_ctx *ctx, bool ebpf_from_cbpf)
{
@@ -208,6 +218,10 @@ static int build_prologue(struct jit_ctx *ctx, bool ebpf_from_cbpf)
*
*/
+ /* BTI landing pad */
+ if (IS_ENABLED(CONFIG_ARM64_BTI_KERNEL))
+ emit(A64_BTI_C, ctx);
+
/* Save FP and LR registers to stay align with ARM64 AAPCS */
emit(A64_PUSH(A64_FP, A64_LR, A64_SP), ctx);
emit(A64_MOV(1, A64_FP, A64_SP), ctx);
@@ -230,6 +244,10 @@ static int build_prologue(struct jit_ctx *ctx, bool ebpf_from_cbpf)
cur_offset, PROLOGUE_OFFSET);
return -1;
}
+
+ /* BTI landing pad for the tail call, done with a BR */
+ if (IS_ENABLED(CONFIG_ARM64_BTI_KERNEL))
+ emit(A64_BTI_J, ctx);
}
ctx->stack_size = STACK_ALIGN(prog->aux->stack_depth);
@@ -356,6 +374,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx,
const bool isdw = BPF_SIZE(code) == BPF_DW;
u8 jmp_cond, reg;
s32 jmp_offset;
+ u32 a64_insn;
#define check_imm(bits, imm) do { \
if ((((imm) > 0) && ((imm) >> (bits))) || \
@@ -478,28 +497,55 @@ emit_bswap_uxt:
/* dst = dst OP imm */
case BPF_ALU | BPF_ADD | BPF_K:
case BPF_ALU64 | BPF_ADD | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_ADD(is64, dst, dst, tmp), ctx);
+ if (is_addsub_imm(imm)) {
+ emit(A64_ADD_I(is64, dst, dst, imm), ctx);
+ } else if (is_addsub_imm(-imm)) {
+ emit(A64_SUB_I(is64, dst, dst, -imm), ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_ADD(is64, dst, dst, tmp), ctx);
+ }
break;
case BPF_ALU | BPF_SUB | BPF_K:
case BPF_ALU64 | BPF_SUB | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_SUB(is64, dst, dst, tmp), ctx);
+ if (is_addsub_imm(imm)) {
+ emit(A64_SUB_I(is64, dst, dst, imm), ctx);
+ } else if (is_addsub_imm(-imm)) {
+ emit(A64_ADD_I(is64, dst, dst, -imm), ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_SUB(is64, dst, dst, tmp), ctx);
+ }
break;
case BPF_ALU | BPF_AND | BPF_K:
case BPF_ALU64 | BPF_AND | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_AND(is64, dst, dst, tmp), ctx);
+ a64_insn = A64_AND_I(is64, dst, dst, imm);
+ if (a64_insn != AARCH64_BREAK_FAULT) {
+ emit(a64_insn, ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_AND(is64, dst, dst, tmp), ctx);
+ }
break;
case BPF_ALU | BPF_OR | BPF_K:
case BPF_ALU64 | BPF_OR | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_ORR(is64, dst, dst, tmp), ctx);
+ a64_insn = A64_ORR_I(is64, dst, dst, imm);
+ if (a64_insn != AARCH64_BREAK_FAULT) {
+ emit(a64_insn, ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_ORR(is64, dst, dst, tmp), ctx);
+ }
break;
case BPF_ALU | BPF_XOR | BPF_K:
case BPF_ALU64 | BPF_XOR | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_EOR(is64, dst, dst, tmp), ctx);
+ a64_insn = A64_EOR_I(is64, dst, dst, imm);
+ if (a64_insn != AARCH64_BREAK_FAULT) {
+ emit(a64_insn, ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_EOR(is64, dst, dst, tmp), ctx);
+ }
break;
case BPF_ALU | BPF_MUL | BPF_K:
case BPF_ALU64 | BPF_MUL | BPF_K:
@@ -623,13 +669,24 @@ emit_cond_jmp:
case BPF_JMP32 | BPF_JSLT | BPF_K:
case BPF_JMP32 | BPF_JSGE | BPF_K:
case BPF_JMP32 | BPF_JSLE | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_CMP(is64, dst, tmp), ctx);
+ if (is_addsub_imm(imm)) {
+ emit(A64_CMP_I(is64, dst, imm), ctx);
+ } else if (is_addsub_imm(-imm)) {
+ emit(A64_CMN_I(is64, dst, -imm), ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_CMP(is64, dst, tmp), ctx);
+ }
goto emit_cond_jmp;
case BPF_JMP | BPF_JSET | BPF_K:
case BPF_JMP32 | BPF_JSET | BPF_K:
- emit_a64_mov_i(is64, tmp, imm, ctx);
- emit(A64_TST(is64, dst, tmp), ctx);
+ a64_insn = A64_TST_I(is64, dst, imm);
+ if (a64_insn != AARCH64_BREAK_FAULT) {
+ emit(a64_insn, ctx);
+ } else {
+ emit_a64_mov_i(is64, tmp, imm, ctx);
+ emit(A64_TST(is64, dst, tmp), ctx);
+ }
goto emit_cond_jmp;
/* function call */
case BPF_JMP | BPF_CALL:
diff --git a/arch/c6x/lib/checksum.c b/arch/c6x/lib/checksum.c
index 46940844c553..335ca4900808 100644
--- a/arch/c6x/lib/checksum.c
+++ b/arch/c6x/lib/checksum.c
@@ -4,28 +4,6 @@
#include <linux/module.h>
#include <net/checksum.h>
-#include <asm/byteorder.h>
-
-/*
- * copy from fs while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
- __wsum sum, int *csum_err)
-{
- int missing;
-
- missing = __copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *csum_err = -EFAULT;
- } else
- *csum_err = 0;
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
/* These are from csum_64plus.S */
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy);
diff --git a/arch/c6x/mm/init.c b/arch/c6x/mm/init.c
index 9b374393a8f4..a97e51a3e26d 100644
--- a/arch/c6x/mm/init.c
+++ b/arch/c6x/mm/init.c
@@ -33,7 +33,7 @@ EXPORT_SYMBOL(empty_zero_page);
void __init paging_init(void)
{
struct pglist_data *pgdat = NODE_DATA(0);
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
empty_zero_page = (unsigned long) memblock_alloc(PAGE_SIZE,
PAGE_SIZE);
@@ -49,11 +49,9 @@ void __init paging_init(void)
/*
* Define zones
*/
- zones_size[ZONE_NORMAL] = (memory_end - PAGE_OFFSET) >> PAGE_SHIFT;
- pgdat->node_zones[ZONE_NORMAL].zone_start_pfn =
- __pa(PAGE_OFFSET) >> PAGE_SHIFT;
+ max_zone_pfn[ZONE_NORMAL] = memory_end >> PAGE_SHIFT;
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
}
void __init mem_init(void)
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 94545d50d40f..bd31ab12f77d 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -8,6 +8,7 @@ config CSKY
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
+ select ARCH_WANT_FRAME_POINTERS if !CPU_CK610
select COMMON_CLK
select CLKSRC_MMIO
select CSKY_MPINTC if CPU_CK860
@@ -38,6 +39,7 @@ config CSKY
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_AUDITSYSCALL
select HAVE_COPY_THREAD_TLS
+ select HAVE_DEBUG_BUGVERBOSE
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_FUNCTION_TRACER
diff --git a/arch/csky/Makefile b/arch/csky/Makefile
index fb1bbbd91954..37f593a4bf53 100644
--- a/arch/csky/Makefile
+++ b/arch/csky/Makefile
@@ -47,7 +47,7 @@ ifeq ($(CSKYABI),abiv2)
KBUILD_CFLAGS += -mno-stack-size
endif
-ifdef CONFIG_STACKTRACE
+ifdef CONFIG_FRAME_POINTER
KBUILD_CFLAGS += -mbacktrace
endif
diff --git a/arch/csky/abiv1/inc/abi/entry.h b/arch/csky/abiv1/inc/abi/entry.h
index 5056ebb902d1..13c23e2c707c 100644
--- a/arch/csky/abiv1/inc/abi/entry.h
+++ b/arch/csky/abiv1/inc/abi/entry.h
@@ -80,7 +80,6 @@
.endm
.macro RESTORE_ALL
- psrclr ie
ldw lr, (sp, 4)
ldw a0, (sp, 8)
mtcr a0, epc
@@ -167,17 +166,12 @@
* BA Reserved C D V
*/
cprcr r6, cpcr30
- lsri r6, 28
- lsli r6, 28
+ lsri r6, 29
+ lsli r6, 29
addi r6, 0xe
cpwcr r6, cpcr30
movi r6, 0
cpwcr r6, cpcr31
.endm
-
-.macro ANDI_R3 rx, imm
- lsri \rx, 3
- andi \rx, (\imm >> 3)
-.endm
#endif /* __ASM_CSKY_ENTRY_H */
diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h
index a99aff555a0a..4fdd6c12e7ff 100644
--- a/arch/csky/abiv2/inc/abi/entry.h
+++ b/arch/csky/abiv2/inc/abi/entry.h
@@ -13,6 +13,8 @@
#define LSAVE_A1 28
#define LSAVE_A2 32
#define LSAVE_A3 36
+#define LSAVE_A4 40
+#define LSAVE_A5 44
#define KSPTOUSP
#define USPTOKSP
@@ -63,7 +65,6 @@
.endm
.macro RESTORE_ALL
- psrclr ie
ldw tls, (sp, 0)
ldw lr, (sp, 4)
ldw a0, (sp, 8)
@@ -285,8 +286,8 @@
*/
mfcr r6, cr<30, 15> /* Get MSA0 */
2:
- lsri r6, 28
- lsli r6, 28
+ lsri r6, 29
+ lsli r6, 29
addi r6, 0x1ce
mtcr r6, cr<30, 15> /* Set MSA0 */
@@ -301,9 +302,4 @@
jmpi 3f /* jump to va */
3:
.endm
-
-.macro ANDI_R3 rx, imm
- lsri \rx, 3
- andi \rx, (\imm >> 3)
-.endm
#endif /* __ASM_CSKY_ENTRY_H */
diff --git a/arch/csky/abiv2/mcount.S b/arch/csky/abiv2/mcount.S
index 9331c7ed5958..911512bf480f 100644
--- a/arch/csky/abiv2/mcount.S
+++ b/arch/csky/abiv2/mcount.S
@@ -103,6 +103,8 @@ ENTRY(_mcount)
mov a0, lr
subi a0, 4
ldw a1, (sp, 24)
+ lrw a2, function_trace_op
+ ldw a2, (a2, 0)
jsr r26
diff --git a/arch/csky/include/asm/processor.h b/arch/csky/include/asm/processor.h
index c6bcd7f7c720..24442d8e86f9 100644
--- a/arch/csky/include/asm/processor.h
+++ b/arch/csky/include/asm/processor.h
@@ -41,8 +41,7 @@ extern struct cpuinfo_csky cpu_data[];
#define TASK_UNMAPPED_BASE (TASK_SIZE / 3)
struct thread_struct {
- unsigned long ksp; /* kernel stack pointer */
- unsigned long sr; /* saved status register */
+ unsigned long sp; /* kernel stack pointer */
unsigned long trap_no; /* saved status register */
/* FPU regs */
@@ -50,8 +49,7 @@ struct thread_struct {
};
#define INIT_THREAD { \
- .ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
- .sr = DEFAULT_PSR_VALUE, \
+ .sp = sizeof(init_stack) + (unsigned long) &init_stack, \
}
/*
diff --git a/arch/csky/include/asm/ptrace.h b/arch/csky/include/asm/ptrace.h
index aae5aa96cf54..bcfb7070e48d 100644
--- a/arch/csky/include/asm/ptrace.h
+++ b/arch/csky/include/asm/ptrace.h
@@ -58,6 +58,16 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
return regs->usp;
}
+static inline unsigned long frame_pointer(struct pt_regs *regs)
+{
+ return regs->regs[4];
+}
+static inline void frame_pointer_set(struct pt_regs *regs,
+ unsigned long val)
+{
+ regs->regs[4] = val;
+}
+
extern int regs_query_register_offset(const char *name);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
unsigned int n);
diff --git a/arch/csky/include/asm/thread_info.h b/arch/csky/include/asm/thread_info.h
index 442fedad0260..8980e4e64391 100644
--- a/arch/csky/include/asm/thread_info.h
+++ b/arch/csky/include/asm/thread_info.h
@@ -38,7 +38,13 @@ struct thread_info {
#define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
#define thread_saved_fp(tsk) \
- ((unsigned long)(((struct switch_stack *)(tsk->thread.ksp))->r8))
+ ((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r8))
+
+#define thread_saved_sp(tsk) \
+ ((unsigned long)(tsk->thread.sp))
+
+#define thread_saved_lr(tsk) \
+ ((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r15))
static inline struct thread_info *current_thread_info(void)
{
@@ -54,10 +60,10 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_SIGPENDING 0 /* signal pending */
#define TIF_NOTIFY_RESUME 1 /* callback before returning to user */
#define TIF_NEED_RESCHED 2 /* rescheduling necessary */
-#define TIF_SYSCALL_TRACE 3 /* syscall trace active */
-#define TIF_SYSCALL_TRACEPOINT 4 /* syscall tracepoint instrumentation */
-#define TIF_SYSCALL_AUDIT 5 /* syscall auditing */
-#define TIF_UPROBE 6 /* uprobe breakpoint or singlestep */
+#define TIF_UPROBE 3 /* uprobe breakpoint or singlestep */
+#define TIF_SYSCALL_TRACE 4 /* syscall trace active */
+#define TIF_SYSCALL_TRACEPOINT 5 /* syscall tracepoint instrumentation */
+#define TIF_SYSCALL_AUDIT 6 /* syscall auditing */
#define TIF_POLLING_NRFLAG 16 /* poll_idle() is TIF_NEED_RESCHED */
#define TIF_MEMDIE 18 /* is terminating due to OOM killer */
#define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */
@@ -75,4 +81,10 @@ static inline struct thread_info *current_thread_info(void)
#define _TIF_RESTORE_SIGMASK (1 << TIF_RESTORE_SIGMASK)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
+#define _TIF_WORK_MASK (_TIF_NEED_RESCHED | _TIF_SIGPENDING | \
+ _TIF_NOTIFY_RESUME | _TIF_UPROBE)
+
+#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \
+ _TIF_SYSCALL_TRACEPOINT)
+
#endif /* _ASM_CSKY_THREAD_INFO_H */
diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/include/asm/uaccess.h
index abefa125b93c..1633ffe5ae15 100644
--- a/arch/csky/include/asm/uaccess.h
+++ b/arch/csky/include/asm/uaccess.h
@@ -253,7 +253,7 @@ do { \
extern int __get_user_bad(void);
-#define __copy_user(to, from, n) \
+#define ___copy_to_user(to, from, n) \
do { \
int w0, w1, w2, w3; \
asm volatile( \
@@ -288,31 +288,34 @@ do { \
" subi %0, 4 \n" \
" br 3b \n" \
"5: cmpnei %0, 0 \n" /* 1B */ \
- " bf 8f \n" \
+ " bf 13f \n" \
" ldb %3, (%2, 0) \n" \
"6: stb %3, (%1, 0) \n" \
" addi %2, 1 \n" \
" addi %1, 1 \n" \
" subi %0, 1 \n" \
" br 5b \n" \
- "7: br 8f \n" \
+ "7: subi %0, 4 \n" \
+ "8: subi %0, 4 \n" \
+ "12: subi %0, 4 \n" \
+ " br 13f \n" \
".section __ex_table, \"a\" \n" \
".align 2 \n" \
- ".long 2b, 7b \n" \
- ".long 9b, 7b \n" \
- ".long 10b, 7b \n" \
+ ".long 2b, 13f \n" \
+ ".long 4b, 13f \n" \
+ ".long 6b, 13f \n" \
+ ".long 9b, 12b \n" \
+ ".long 10b, 8b \n" \
".long 11b, 7b \n" \
- ".long 4b, 7b \n" \
- ".long 6b, 7b \n" \
".previous \n" \
- "8: \n" \
+ "13: \n" \
: "=r"(n), "=r"(to), "=r"(from), "=r"(w0), \
"=r"(w1), "=r"(w2), "=r"(w3) \
: "0"(n), "1"(to), "2"(from) \
: "memory"); \
} while (0)
-#define __copy_user_zeroing(to, from, n) \
+#define ___copy_from_user(to, from, n) \
do { \
int tmp; \
int nsave; \
@@ -355,22 +358,22 @@ do { \
" addi %1, 1 \n" \
" subi %0, 1 \n" \
" br 5b \n" \
- "8: mov %3, %0 \n" \
- " movi %4, 0 \n" \
- "9: stb %4, (%1, 0) \n" \
- " addi %1, 1 \n" \
- " subi %3, 1 \n" \
- " cmpnei %3, 0 \n" \
- " bt 9b \n" \
- " br 7f \n" \
+ "8: stw %3, (%1, 0) \n" \
+ " subi %0, 4 \n" \
+ " bf 7f \n" \
+ "9: subi %0, 8 \n" \
+ " bf 7f \n" \
+ "13: stw %3, (%1, 8) \n" \
+ " subi %0, 12 \n" \
+ " bf 7f \n" \
".section __ex_table, \"a\" \n" \
".align 2 \n" \
- ".long 2b, 8b \n" \
+ ".long 2b, 7f \n" \
+ ".long 4b, 7f \n" \
+ ".long 6b, 7f \n" \
".long 10b, 8b \n" \
- ".long 11b, 8b \n" \
- ".long 12b, 8b \n" \
- ".long 4b, 8b \n" \
- ".long 6b, 8b \n" \
+ ".long 11b, 9b \n" \
+ ".long 12b,13b \n" \
".previous \n" \
"7: \n" \
: "=r"(n), "=r"(to), "=r"(from), "=r"(nsave), \
diff --git a/arch/csky/kernel/Makefile b/arch/csky/kernel/Makefile
index fd6d9dc8b7f3..37f37c0e934a 100644
--- a/arch/csky/kernel/Makefile
+++ b/arch/csky/kernel/Makefile
@@ -3,7 +3,7 @@ extra-y := head.o vmlinux.lds
obj-y += entry.o atomic.o signal.o traps.o irq.o time.o vdso.o
obj-y += power.o syscall.o syscall_table.o setup.o
-obj-y += process.o cpu-probe.o ptrace.o dumpstack.o
+obj-y += process.o cpu-probe.o ptrace.o stacktrace.o
obj-y += probes/
obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/csky/kernel/asm-offsets.c b/arch/csky/kernel/asm-offsets.c
index f8be348df9e4..17479860d43d 100644
--- a/arch/csky/kernel/asm-offsets.c
+++ b/arch/csky/kernel/asm-offsets.c
@@ -18,8 +18,7 @@ int main(void)
DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
/* offsets into the thread struct */
- DEFINE(THREAD_KSP, offsetof(struct thread_struct, ksp));
- DEFINE(THREAD_SR, offsetof(struct thread_struct, sr));
+ DEFINE(THREAD_KSP, offsetof(struct thread_struct, sp));
DEFINE(THREAD_FESR, offsetof(struct thread_struct, user_fp.fesr));
DEFINE(THREAD_FCR, offsetof(struct thread_struct, user_fp.fcr));
DEFINE(THREAD_FPREG, offsetof(struct thread_struct, user_fp.vr));
diff --git a/arch/csky/kernel/dumpstack.c b/arch/csky/kernel/dumpstack.c
deleted file mode 100644
index d67f9777cfd9..000000000000
--- a/arch/csky/kernel/dumpstack.c
+++ /dev/null
@@ -1,49 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
-
-#include <linux/ptrace.h>
-
-int kstack_depth_to_print = 48;
-
-void show_trace(unsigned long *stack)
-{
- unsigned long *stack_end;
- unsigned long *stack_start;
- unsigned long *fp;
- unsigned long addr;
-
- addr = (unsigned long) stack & THREAD_MASK;
- stack_start = (unsigned long *) addr;
- stack_end = (unsigned long *) (addr + THREAD_SIZE);
-
- fp = stack;
- pr_info("\nCall Trace:");
-
- while (fp > stack_start && fp < stack_end) {
-#ifdef CONFIG_STACKTRACE
- addr = fp[1];
- fp = (unsigned long *) fp[0];
-#else
- addr = *fp++;
-#endif
- if (__kernel_text_address(addr))
- pr_cont("\n[<%08lx>] %pS", addr, (void *)addr);
- }
- pr_cont("\n");
-}
-
-void show_stack(struct task_struct *task, unsigned long *stack)
-{
- if (!stack) {
- if (task)
- stack = (unsigned long *)thread_saved_fp(task);
- else
-#ifdef CONFIG_STACKTRACE
- asm volatile("mov %0, r8\n":"=r"(stack)::"memory");
-#else
- stack = (unsigned long *)&stack;
-#endif
- }
-
- show_trace(stack);
-}
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 364819536f2e..f13800383a19 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -128,39 +128,41 @@ tlbop_end 1
ENTRY(csky_systemcall)
SAVE_ALL TRAP0_SIZE
zero_fp
-#ifdef CONFIG_RSEQ_DEBUG
- mov a0, sp
- jbsr rseq_syscall
-#endif
psrset ee, ie
- lrw r11, __NR_syscalls
- cmphs syscallid, r11 /* Check nr of syscall */
- bt ret_from_exception
+ lrw r9, __NR_syscalls
+ cmphs syscallid, r9 /* Check nr of syscall */
+ bt 1f
- lrw r13, sys_call_table
- ixw r13, syscallid
- ldw r11, (r13)
- cmpnei r11, 0
+ lrw r9, sys_call_table
+ ixw r9, syscallid
+ ldw syscallid, (r9)
+ cmpnei syscallid, 0
bf ret_from_exception
mov r9, sp
bmaski r10, THREAD_SHIFT
andn r9, r10
- ldw r12, (r9, TINFO_FLAGS)
- ANDI_R3 r12, (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT | _TIF_SYSCALL_AUDIT)
- cmpnei r12, 0
+ ldw r10, (r9, TINFO_FLAGS)
+ lrw r9, _TIF_SYSCALL_WORK
+ and r10, r9
+ cmpnei r10, 0
bt csky_syscall_trace
#if defined(__CSKYABIV2__)
subi sp, 8
stw r5, (sp, 0x4)
stw r4, (sp, 0x0)
- jsr r11 /* Do system call */
+ jsr syscallid /* Do system call */
addi sp, 8
#else
- jsr r11
+ jsr syscallid
#endif
stw a0, (sp, LSAVE_A0) /* Save return value */
+1:
+#ifdef CONFIG_DEBUG_RSEQ
+ mov a0, sp
+ jbsr rseq_syscall
+#endif
jmpi ret_from_exception
csky_syscall_trace:
@@ -173,18 +175,23 @@ csky_syscall_trace:
ldw a3, (sp, LSAVE_A3)
#if defined(__CSKYABIV2__)
subi sp, 8
- stw r5, (sp, 0x4)
- stw r4, (sp, 0x0)
+ ldw r9, (sp, LSAVE_A4)
+ stw r9, (sp, 0x0)
+ ldw r9, (sp, LSAVE_A5)
+ stw r9, (sp, 0x4)
+ jsr syscallid /* Do system call */
+ addi sp, 8
#else
ldw r6, (sp, LSAVE_A4)
ldw r7, (sp, LSAVE_A5)
-#endif
- jsr r11 /* Do system call */
-#if defined(__CSKYABIV2__)
- addi sp, 8
+ jsr syscallid /* Do system call */
#endif
stw a0, (sp, LSAVE_A0) /* Save return value */
+#ifdef CONFIG_DEBUG_RSEQ
+ mov a0, sp
+ jbsr rseq_syscall
+#endif
mov a0, sp /* right now, sp --> pt_regs */
jbsr syscall_trace_exit
br ret_from_exception
@@ -200,18 +207,20 @@ ENTRY(ret_from_fork)
mov r9, sp
bmaski r10, THREAD_SHIFT
andn r9, r10
- ldw r12, (r9, TINFO_FLAGS)
- ANDI_R3 r12, (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT | _TIF_SYSCALL_AUDIT)
- cmpnei r12, 0
+ ldw r10, (r9, TINFO_FLAGS)
+ lrw r9, _TIF_SYSCALL_WORK
+ and r10, r9
+ cmpnei r10, 0
bf ret_from_exception
mov a0, sp /* sp = pt_regs pointer */
jbsr syscall_trace_exit
ret_from_exception:
- ld syscallid, (sp, LSAVE_PSR)
- btsti syscallid, 31
- bt 1f
+ psrclr ie
+ ld r9, (sp, LSAVE_PSR)
+ btsti r9, 31
+ bt 1f
/*
* Load address of current->thread_info, Then get address of task_struct
* Get task_needreshed in task_struct
@@ -220,11 +229,24 @@ ret_from_exception:
bmaski r10, THREAD_SHIFT
andn r9, r10
- ldw r12, (r9, TINFO_FLAGS)
- andi r12, (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | _TIF_UPROBE)
- cmpnei r12, 0
+ ldw r10, (r9, TINFO_FLAGS)
+ lrw r9, _TIF_WORK_MASK
+ and r10, r9
+ cmpnei r10, 0
bt exit_work
1:
+#ifdef CONFIG_PREEMPTION
+ mov r9, sp
+ bmaski r10, THREAD_SHIFT
+ andn r9, r10
+
+ ldw r10, (r9, TINFO_PREEMPT)
+ cmpnei r10, 0
+ bt 2f
+ jbsr preempt_schedule_irq /* irq en/disable is done inside */
+2:
+#endif
+
#ifdef CONFIG_TRACE_IRQFLAGS
ld r10, (sp, LSAVE_PSR)
btsti r10, 6
@@ -235,14 +257,15 @@ ret_from_exception:
RESTORE_ALL
exit_work:
- lrw syscallid, ret_from_exception
- mov lr, syscallid
+ lrw r9, ret_from_exception
+ mov lr, r9
- btsti r12, TIF_NEED_RESCHED
+ btsti r10, TIF_NEED_RESCHED
bt work_resched
+ psrset ie
mov a0, sp
- mov a1, r12
+ mov a1, r10
jmpi do_notify_resume
work_resched:
@@ -291,34 +314,10 @@ ENTRY(csky_irq)
jbsr trace_hardirqs_off
#endif
-#ifdef CONFIG_PREEMPTION
- mov r9, sp /* Get current stack pointer */
- bmaski r10, THREAD_SHIFT
- andn r9, r10 /* Get thread_info */
-
- /*
- * Get task_struct->stack.preempt_count for current,
- * and increase 1.
- */
- ldw r12, (r9, TINFO_PREEMPT)
- addi r12, 1
- stw r12, (r9, TINFO_PREEMPT)
-#endif
mov a0, sp
jbsr csky_do_IRQ
-#ifdef CONFIG_PREEMPTION
- subi r12, 1
- stw r12, (r9, TINFO_PREEMPT)
- cmpnei r12, 0
- bt 2f
- ldw r12, (r9, TINFO_FLAGS)
- btsti r12, TIF_NEED_RESCHED
- bf 2f
- jbsr preempt_schedule_irq /* irq en/disable is done inside */
-#endif
-2:
jmpi ret_from_exception
/*
@@ -330,11 +329,6 @@ ENTRY(__switch_to)
lrw a3, TASK_THREAD
addu a3, a0
- mfcr a2, psr /* Save PSR value */
- stw a2, (a3, THREAD_SR) /* Save PSR in task struct */
- bclri a2, 6 /* Disable interrupts */
- mtcr a2, psr
-
SAVE_SWITCH_STACK
stw sp, (a3, THREAD_KSP)
@@ -345,12 +339,9 @@ ENTRY(__switch_to)
ldw sp, (a3, THREAD_KSP) /* Set next kernel sp */
- ldw a2, (a3, THREAD_SR) /* Set next PSR */
- mtcr a2, psr
-
#if defined(__CSKYABIV2__)
- addi r7, a1, TASK_THREAD_INFO
- ldw tls, (r7, TINFO_TP_VALUE)
+ addi a3, a1, TASK_THREAD_INFO
+ ldw tls, (a3, TINFO_TP_VALUE)
#endif
RESTORE_SWITCH_STACK
diff --git a/arch/csky/kernel/ftrace.c b/arch/csky/kernel/ftrace.c
index 44628e3f7fa6..3c425b84e3be 100644
--- a/arch/csky/kernel/ftrace.c
+++ b/arch/csky/kernel/ftrace.c
@@ -202,6 +202,7 @@ int ftrace_disable_ftrace_graph_caller(void)
#endif /* CONFIG_DYNAMIC_FTRACE */
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+#ifdef CONFIG_DYNAMIC_FTRACE
#ifndef CONFIG_CPU_HAS_ICACHE_INS
struct ftrace_modify_param {
int command;
@@ -231,6 +232,7 @@ void arch_ftrace_update_code(int command)
stop_machine(__ftrace_modify_code, &param, cpu_online_mask);
}
#endif
+#endif /* CONFIG_DYNAMIC_FTRACE */
/* _mcount is defined in abi's mcount.S */
EXPORT_SYMBOL(_mcount);
diff --git a/arch/csky/kernel/perf_callchain.c b/arch/csky/kernel/perf_callchain.c
index e68ff375c8f8..ab55e98ee8f6 100644
--- a/arch/csky/kernel/perf_callchain.c
+++ b/arch/csky/kernel/perf_callchain.c
@@ -12,12 +12,17 @@ struct stackframe {
static int unwind_frame_kernel(struct stackframe *frame)
{
- if (kstack_end((void *)frame->fp))
+ unsigned long low = (unsigned long)task_stack_page(current);
+ unsigned long high = low + THREAD_SIZE;
+
+ if (unlikely(frame->fp < low || frame->fp > high))
return -EPERM;
- if (frame->fp & 0x3 || frame->fp < TASK_SIZE)
+
+ if (kstack_end((void *)frame->fp) || frame->fp & 0x3)
return -EPERM;
*frame = *(struct stackframe *)frame->fp;
+
if (__kernel_text_address(frame->lr)) {
int graph = 0;
diff --git a/arch/csky/kernel/probes/uprobes.c b/arch/csky/kernel/probes/uprobes.c
index b3a56c260e3e..1a9e0961b2b5 100644
--- a/arch/csky/kernel/probes/uprobes.c
+++ b/arch/csky/kernel/probes/uprobes.c
@@ -11,6 +11,11 @@
#define UPROBE_TRAP_NR UINT_MAX
+bool is_swbp_insn(uprobe_opcode_t *insn)
+{
+ return (*insn & 0xffff) == UPROBE_SWBP_INSN;
+}
+
unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)
{
return instruction_pointer(regs);
diff --git a/arch/csky/kernel/process.c b/arch/csky/kernel/process.c
index f7b231ca269a..8b3fad062ab2 100644
--- a/arch/csky/kernel/process.c
+++ b/arch/csky/kernel/process.c
@@ -35,7 +35,7 @@ void flush_thread(void){}
*/
unsigned long thread_saved_pc(struct task_struct *tsk)
{
- struct switch_stack *sw = (struct switch_stack *)tsk->thread.ksp;
+ struct switch_stack *sw = (struct switch_stack *)tsk->thread.sp;
return sw->r15;
}
@@ -56,8 +56,8 @@ int copy_thread_tls(unsigned long clone_flags,
childstack = ((struct switch_stack *) childregs) - 1;
memset(childstack, 0, sizeof(struct switch_stack));
- /* setup ksp for switch_to !!! */
- p->thread.ksp = (unsigned long)childstack;
+ /* setup thread.sp for switch_to !!! */
+ p->thread.sp = (unsigned long)childstack;
if (unlikely(p->flags & PF_KTHREAD)) {
memset(childregs, 0, sizeof(struct pt_regs));
@@ -98,37 +98,6 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *pr_regs)
return 1;
}
-unsigned long get_wchan(struct task_struct *p)
-{
- unsigned long lr;
- unsigned long *fp, *stack_start, *stack_end;
- int count = 0;
-
- if (!p || p == current || p->state == TASK_RUNNING)
- return 0;
-
- stack_start = (unsigned long *)end_of_stack(p);
- stack_end = (unsigned long *)(task_stack_page(p) + THREAD_SIZE);
-
- fp = (unsigned long *) thread_saved_fp(p);
- do {
- if (fp < stack_start || fp > stack_end)
- return 0;
-#ifdef CONFIG_STACKTRACE
- lr = fp[1];
- fp = (unsigned long *)fp[0];
-#else
- lr = *fp++;
-#endif
- if (!in_sched_functions(lr) &&
- __kernel_text_address(lr))
- return lr;
- } while (count++ < 16);
-
- return 0;
-}
-EXPORT_SYMBOL(get_wchan);
-
#ifndef CONFIG_CPU_PM_NONE
void arch_cpu_idle(void)
{
diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c
index 21ac2608f205..5a82230bddf9 100644
--- a/arch/csky/kernel/ptrace.c
+++ b/arch/csky/kernel/ptrace.c
@@ -41,6 +41,9 @@ static void singlestep_disable(struct task_struct *tsk)
regs = task_pt_regs(tsk);
regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_RUN;
+
+ /* Enable irq */
+ regs->sr |= BIT(6);
}
static void singlestep_enable(struct task_struct *tsk)
@@ -49,6 +52,9 @@ static void singlestep_enable(struct task_struct *tsk)
regs = task_pt_regs(tsk);
regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_SI;
+
+ /* Disable irq */
+ regs->sr &= ~BIT(6);
}
/*
diff --git a/arch/csky/kernel/setup.c b/arch/csky/kernel/setup.c
index 819a9a7bf786..0481f4e34538 100644
--- a/arch/csky/kernel/setup.c
+++ b/arch/csky/kernel/setup.c
@@ -26,7 +26,9 @@ struct screen_info screen_info = {
static void __init csky_memblock_init(void)
{
- unsigned long zone_size[MAX_NR_ZONES];
+ unsigned long lowmem_size = PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET);
+ unsigned long sseg_size = PFN_DOWN(SSEG_SIZE - PHYS_OFFSET_OFFSET);
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
signed long size;
memblock_reserve(__pa(_stext), _end - _stext);
@@ -36,28 +38,22 @@ static void __init csky_memblock_init(void)
memblock_dump_all();
- memset(zone_size, 0, sizeof(zone_size));
-
min_low_pfn = PFN_UP(memblock_start_of_DRAM());
max_low_pfn = max_pfn = PFN_DOWN(memblock_end_of_DRAM());
size = max_pfn - min_low_pfn;
- if (size <= PFN_DOWN(SSEG_SIZE - PHYS_OFFSET_OFFSET))
- zone_size[ZONE_NORMAL] = size;
- else if (size < PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET)) {
- zone_size[ZONE_NORMAL] =
- PFN_DOWN(SSEG_SIZE - PHYS_OFFSET_OFFSET);
- max_low_pfn = min_low_pfn + zone_size[ZONE_NORMAL];
- } else {
- zone_size[ZONE_NORMAL] =
- PFN_DOWN(LOWMEM_LIMIT - PHYS_OFFSET_OFFSET);
- max_low_pfn = min_low_pfn + zone_size[ZONE_NORMAL];
+ if (size >= lowmem_size) {
+ max_low_pfn = min_low_pfn + lowmem_size;
write_mmu_msa1(read_mmu_msa0() + SSEG_SIZE);
+ } else if (size > sseg_size) {
+ max_low_pfn = min_low_pfn + sseg_size;
}
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
+
#ifdef CONFIG_HIGHMEM
- zone_size[ZONE_HIGHMEM] = max_pfn - max_low_pfn;
+ max_zone_pfn[ZONE_HIGHMEM] = max_pfn;
highstart_pfn = max_low_pfn;
highend_pfn = max_pfn;
@@ -66,7 +62,7 @@ static void __init csky_memblock_init(void)
dma_contiguous_reserve(0);
- free_area_init_node(0, zone_size, min_low_pfn, NULL);
+ free_area_init(max_zone_pfn);
}
void __init setup_arch(char **cmdline_p)
diff --git a/arch/csky/kernel/stacktrace.c b/arch/csky/kernel/stacktrace.c
index fec777a643f1..92809e1da723 100644
--- a/arch/csky/kernel/stacktrace.c
+++ b/arch/csky/kernel/stacktrace.c
@@ -1,57 +1,159 @@
// SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. */
#include <linux/sched/debug.h>
#include <linux/sched/task_stack.h>
#include <linux/stacktrace.h>
#include <linux/ftrace.h>
+#include <linux/ptrace.h>
-void save_stack_trace(struct stack_trace *trace)
+#ifdef CONFIG_FRAME_POINTER
+
+struct stackframe {
+ unsigned long fp;
+ unsigned long ra;
+};
+
+void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
+ bool (*fn)(unsigned long, void *), void *arg)
{
- save_stack_trace_tsk(current, trace);
+ unsigned long fp, sp, pc;
+
+ if (regs) {
+ fp = frame_pointer(regs);
+ sp = user_stack_pointer(regs);
+ pc = instruction_pointer(regs);
+ } else if (task == NULL || task == current) {
+ const register unsigned long current_sp __asm__ ("sp");
+ const register unsigned long current_fp __asm__ ("r8");
+ fp = current_fp;
+ sp = current_sp;
+ pc = (unsigned long)walk_stackframe;
+ } else {
+ /* task blocked in __switch_to */
+ fp = thread_saved_fp(task);
+ sp = thread_saved_sp(task);
+ pc = thread_saved_lr(task);
+ }
+
+ for (;;) {
+ unsigned long low, high;
+ struct stackframe *frame;
+
+ if (unlikely(!__kernel_text_address(pc) || fn(pc, arg)))
+ break;
+
+ /* Validate frame pointer */
+ low = sp;
+ high = ALIGN(sp, THREAD_SIZE);
+ if (unlikely(fp < low || fp > high || fp & 0x3))
+ break;
+ /* Unwind stack frame */
+ frame = (struct stackframe *)fp;
+ sp = fp;
+ fp = frame->fp;
+ pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
+ (unsigned long *)(fp - 8));
+ }
}
-EXPORT_SYMBOL_GPL(save_stack_trace);
-void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+#else /* !CONFIG_FRAME_POINTER */
+
+static void notrace walk_stackframe(struct task_struct *task,
+ struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
{
- unsigned long *fp, *stack_start, *stack_end;
- unsigned long addr;
- int skip = trace->skip;
- int savesched;
- int graph_idx = 0;
+ unsigned long sp, pc;
+ unsigned long *ksp;
- if (tsk == current) {
- asm volatile("mov %0, r8\n":"=r"(fp));
- savesched = 1;
+ if (regs) {
+ sp = user_stack_pointer(regs);
+ pc = instruction_pointer(regs);
+ } else if (task == NULL || task == current) {
+ const register unsigned long current_sp __asm__ ("sp");
+ sp = current_sp;
+ pc = (unsigned long)walk_stackframe;
} else {
- fp = (unsigned long *)thread_saved_fp(tsk);
- savesched = 0;
+ /* task blocked in __switch_to */
+ sp = thread_saved_sp(task);
+ pc = thread_saved_lr(task);
}
- addr = (unsigned long) fp & THREAD_MASK;
- stack_start = (unsigned long *) addr;
- stack_end = (unsigned long *) (addr + THREAD_SIZE);
-
- while (fp > stack_start && fp < stack_end) {
- unsigned long lpp, fpp;
+ if (unlikely(sp & 0x3))
+ return;
- fpp = fp[0];
- lpp = fp[1];
- if (!__kernel_text_address(lpp))
+ ksp = (unsigned long *)sp;
+ while (!kstack_end(ksp)) {
+ if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
break;
- else
- lpp = ftrace_graph_ret_addr(tsk, &graph_idx, lpp, NULL);
-
- if (savesched || !in_sched_functions(lpp)) {
- if (skip) {
- skip--;
- } else {
- trace->entries[trace->nr_entries++] = lpp;
- if (trace->nr_entries >= trace->max_entries)
- break;
- }
- }
- fp = (unsigned long *)fpp;
+ pc = (*ksp++) - 0x4;
}
}
+#endif /* CONFIG_FRAME_POINTER */
+
+static bool print_trace_address(unsigned long pc, void *arg)
+{
+ print_ip_sym(pc);
+ return false;
+}
+
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+ pr_cont("Call Trace:\n");
+ walk_stackframe(task, NULL, print_trace_address, NULL);
+}
+
+static bool save_wchan(unsigned long pc, void *arg)
+{
+ if (!in_sched_functions(pc)) {
+ unsigned long *p = arg;
+ *p = pc;
+ return true;
+ }
+ return false;
+}
+
+unsigned long get_wchan(struct task_struct *task)
+{
+ unsigned long pc = 0;
+
+ if (likely(task && task != current && task->state != TASK_RUNNING))
+ walk_stackframe(task, NULL, save_wchan, &pc);
+ return pc;
+}
+
+#ifdef CONFIG_STACKTRACE
+static bool __save_trace(unsigned long pc, void *arg, bool nosched)
+{
+ struct stack_trace *trace = arg;
+
+ if (unlikely(nosched && in_sched_functions(pc)))
+ return false;
+ if (unlikely(trace->skip > 0)) {
+ trace->skip--;
+ return false;
+ }
+
+ trace->entries[trace->nr_entries++] = pc;
+ return (trace->nr_entries >= trace->max_entries);
+}
+
+static bool save_trace(unsigned long pc, void *arg)
+{
+ return __save_trace(pc, arg, false);
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ */
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+ walk_stackframe(tsk, NULL, save_trace, trace);
+}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
+
+void save_stack_trace(struct stack_trace *trace)
+{
+ save_stack_trace_tsk(NULL, trace);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace);
+
+#endif /* CONFIG_STACKTRACE */
diff --git a/arch/csky/lib/usercopy.c b/arch/csky/lib/usercopy.c
index 647a23986fb5..3c9bd645e643 100644
--- a/arch/csky/lib/usercopy.c
+++ b/arch/csky/lib/usercopy.c
@@ -7,10 +7,7 @@
unsigned long raw_copy_from_user(void *to, const void *from,
unsigned long n)
{
- if (access_ok(from, n))
- __copy_user_zeroing(to, from, n);
- else
- memset(to, 0, n);
+ ___copy_from_user(to, from, n);
return n;
}
EXPORT_SYMBOL(raw_copy_from_user);
@@ -18,8 +15,7 @@ EXPORT_SYMBOL(raw_copy_from_user);
unsigned long raw_copy_to_user(void *to, const void *from,
unsigned long n)
{
- if (access_ok(to, n))
- __copy_user(to, from, n);
+ ___copy_to_user(to, from, n);
return n;
}
EXPORT_SYMBOL(raw_copy_to_user);
diff --git a/arch/h8300/kernel/.gitignore b/arch/h8300/kernel/.gitignore
new file mode 100644
index 000000000000..bbb90f92d051
--- /dev/null
+++ b/arch/h8300/kernel/.gitignore
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0-only
+vmlinux.lds
diff --git a/arch/h8300/mm/init.c b/arch/h8300/mm/init.c
index 1eab16b1a0bc..27a0020e3771 100644
--- a/arch/h8300/mm/init.c
+++ b/arch/h8300/mm/init.c
@@ -83,10 +83,10 @@ void __init paging_init(void)
start_mem, end_mem);
{
- unsigned long zones_size[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
- zones_size[ZONE_NORMAL] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
- free_area_init(zones_size);
+ max_zone_pfn[ZONE_NORMAL] = end_mem >> PAGE_SHIFT;
+ free_area_init(max_zone_pfn);
}
}
diff --git a/arch/hexagon/include/asm/module.h b/arch/hexagon/include/asm/vermagic.h
index e8de4fe03543..0e8dedc8c486 100644
--- a/arch/hexagon/include/asm/module.h
+++ b/arch/hexagon/include/asm/vermagic.h
@@ -3,11 +3,11 @@
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*/
-#ifndef _ASM_MODULE_H
-#define _ASM_MODULE_H
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
-#include <asm-generic/module.h>
+#include <linux/stringify.h>
#define MODULE_ARCH_VERMAGIC __stringify(PROCESSOR_MODEL_NAME) " "
-#endif
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index c961773a6fff..f2e6c868e477 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -91,7 +91,7 @@ void sync_icache_dcache(pte_t pte)
*/
void __init paging_init(void)
{
- unsigned long zones_sizes[MAX_NR_ZONES] = {0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {0, };
/*
* This is not particularly well documented anywhere, but
@@ -101,9 +101,9 @@ void __init paging_init(void)
* adjust accordingly.
*/
- zones_sizes[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
- free_area_init(zones_sizes); /* sets up the zonelists and mem_map */
+ free_area_init(max_zone_pfn); /* sets up the zonelists and mem_map */
/*
* Start of high memory area. Will probably need something more
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index bab7cd878464..88b05b5256a9 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -31,7 +31,6 @@ config IA64
select HAVE_FUNCTION_TRACER
select TTY
select HAVE_ARCH_TRACEHOOK
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
select DMA_NONCOHERENT_MMAP
select ARCH_HAS_SYNC_DMA_FOR_CPU
diff --git a/arch/ia64/include/asm/checksum.h b/arch/ia64/include/asm/checksum.h
index 0ed18bc3f6cf..2a1c64629cdc 100644
--- a/arch/ia64/include/asm/checksum.h
+++ b/arch/ia64/include/asm/checksum.h
@@ -37,16 +37,6 @@ extern __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr,
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-/*
- * Same as csum_partial, but copies from src while it checksums.
- *
- * Here it is even more important to align src and dst on a 32-bit (or
- * even better 64-bit) boundary.
- */
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum,
- int *errp);
-
extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
int len, __wsum sum);
diff --git a/arch/ia64/include/asm/device.h b/arch/ia64/include/asm/device.h
index 410a769ece95..3eb397415381 100644
--- a/arch/ia64/include/asm/device.h
+++ b/arch/ia64/include/asm/device.h
@@ -6,7 +6,7 @@
#define _ASM_IA64_DEVICE_H
struct dev_archdata {
-#ifdef CONFIG_INTEL_IOMMU
+#ifdef CONFIG_IOMMU_API
void *iommu; /* hook for IOMMU specific extension */
#endif
};
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 36cc0396b214..7e46ebde8c0c 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -20,6 +20,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return (REGION_NUMBER(addr) == RGN_HPAGE ||
REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
}
+#define is_hugepage_only_range is_hugepage_only_range
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
@@ -27,10 +28,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
{
}
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#include <asm-generic/hugetlb.h>
#endif /* _ASM_IA64_HUGETLB_H */
diff --git a/arch/ia64/include/asm/module.h b/arch/ia64/include/asm/module.h
index f319144260ce..5a29652e6def 100644
--- a/arch/ia64/include/asm/module.h
+++ b/arch/ia64/include/asm/module.h
@@ -26,10 +26,6 @@ struct mod_arch_specific {
unsigned int next_got_entry; /* index of next available got entry */
};
-#define MODULE_PROC_FAMILY "ia64"
-#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY \
- "gcc-" __stringify(__GNUC__) "." __stringify(__GNUC_MINOR__)
-
#define ARCH_SHF_SMALL SHF_IA_64_SHORT
#endif /* _ASM_IA64_MODULE_H */
diff --git a/arch/ia64/include/asm/vermagic.h b/arch/ia64/include/asm/vermagic.h
new file mode 100644
index 000000000000..29c7424f4c25
--- /dev/null
+++ b/arch/ia64/include/asm/vermagic.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2003 Hewlett-Packard Co
+ * David Mosberger-Tang <davidm@hpl.hp.com>
+ */
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#include <linux/stringify.h>
+
+#define MODULE_ARCH_VERMAGIC "ia64" \
+ "gcc-" __stringify(__GNUC__) "." __stringify(__GNUC_MINOR__)
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index f69f3fe0532e..a54eacbc61a9 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -57,12 +57,12 @@ unsigned long hcdp_phys = EFI_INVALID_TABLE_ADDR;
unsigned long sal_systab_phys = EFI_INVALID_TABLE_ADDR;
static const efi_config_table_type_t arch_tables[] __initconst = {
- {ESI_TABLE_GUID, "ESI", &esi_phys},
- {HCDP_TABLE_GUID, "HCDP", &hcdp_phys},
- {MPS_TABLE_GUID, "MPS", &mps_phys},
- {PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, "PALO", &palo_phys},
- {SAL_SYSTEM_TABLE_GUID, "SALsystab", &sal_systab_phys},
- {NULL_GUID, NULL, 0},
+ {ESI_TABLE_GUID, &esi_phys, "ESI" },
+ {HCDP_TABLE_GUID, &hcdp_phys, "HCDP" },
+ {MPS_TABLE_GUID, &mps_phys, "MPS" },
+ {PROCESSOR_ABSTRACTION_LAYER_OVERWRITE_GUID, &palo_phys, "PALO" },
+ {SAL_SYSTEM_TABLE_GUID, &sal_systab_phys, "SALsystab" },
+ {},
};
extern efi_status_t efi_call_phys (void *, ...);
diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl
index 042911e670b8..49e325b604b3 100644
--- a/arch/ia64/kernel/syscalls/syscall.tbl
+++ b/arch/ia64/kernel/syscalls/syscall.tbl
@@ -358,3 +358,4 @@
# 435 reserved for clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/ia64/lib/csum_partial_copy.c b/arch/ia64/lib/csum_partial_copy.c
index bf9396b1ed32..6e82e0be8040 100644
--- a/arch/ia64/lib/csum_partial_copy.c
+++ b/arch/ia64/lib/csum_partial_copy.c
@@ -12,7 +12,7 @@
#include <linux/types.h>
#include <linux/string.h>
-#include <linux/uaccess.h>
+#include <net/checksum.h>
/*
* XXX Fixme: those 2 inlines are meant for debugging and will go away
@@ -103,39 +103,11 @@ out:
* This is very ugly but temporary. THIS NEEDS SERIOUS ENHANCEMENTS.
* But it's very tricky to get right even in C.
*/
-extern unsigned long do_csum(const unsigned char *, long);
-
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum psum, int *errp)
-{
- unsigned long result;
-
- /* XXX Fixme
- * for now we separate the copy from checksum for obvious
- * alignment difficulties. Look at the Alpha code and you'll be
- * scared.
- */
-
- if (__copy_from_user(dst, src, len) != 0 && errp)
- *errp = -EFAULT;
-
- result = do_csum(dst, len);
-
- /* add in old sum, and carry.. */
- result += (__force u32)psum;
- /* 32+c bits -> 32 bits */
- result = (result & 0xffffffff) + (result >> 32);
- return (__force __wsum)result;
-}
-
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
__wsum
csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
{
- return csum_partial_copy_from_user((__force const void __user *)src,
- dst, len, sum, NULL);
+ memcpy(dst, src, len);
+ return csum_partial(dst, len, sum);
}
EXPORT_SYMBOL(csum_partial_copy_nocheck);
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 5b00dc3898e1..8786fa5c7612 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -210,6 +210,6 @@ paging_init (void)
printk("Virtual mem_map starts at 0x%p\n", mem_map);
}
#endif /* !CONFIG_VIRTUAL_MEM_MAP */
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 4f33f6e7e206..dd8284bcbf16 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -627,7 +627,7 @@ void __init paging_init(void)
max_zone_pfns[ZONE_DMA32] = max_dma;
#endif
max_zone_pfns[ZONE_NORMAL] = max_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index c32ab8041cf6..4eb911d64e8d 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -221,6 +221,7 @@ static void __init amiga_identify(void)
case AMI_1200:
AMIGAHW_SET(A1200_IDE);
AMIGAHW_SET(PCMCIA);
+ fallthrough;
case AMI_500:
case AMI_500PLUS:
case AMI_1000:
@@ -233,7 +234,7 @@ static void __init amiga_identify(void)
case AMI_3000T:
AMIGAHW_SET(AMBER_FF);
AMIGAHW_SET(MAGIC_REKICK);
- /* fall through */
+ fallthrough;
case AMI_3000PLUS:
AMIGAHW_SET(A3000_SCSI);
AMIGAHW_SET(A3000_CLK);
@@ -242,7 +243,7 @@ static void __init amiga_identify(void)
case AMI_4000T:
AMIGAHW_SET(A4000_SCSI);
- /* fall through */
+ fallthrough;
case AMI_4000:
AMIGAHW_SET(A4000_IDE);
AMIGAHW_SET(A3000_CLK);
@@ -628,7 +629,7 @@ struct savekmsg {
unsigned long magic2; /* SAVEKMSG_MAGIC2 */
unsigned long magicptr; /* address of magic1 */
unsigned long size;
- char data[0];
+ char data[];
};
static struct savekmsg *savekmsg;
diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index b4103b6bfdeb..9ef4ec0aea00 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -22,6 +22,7 @@
#include <asm/mcfqspi.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/dma-mcf-edma.h>
+#include <linux/platform_data/mmc-esdhc-mcf.h>
/*
* All current ColdFire parts contain from 2, 3, 4 or 10 UARTS.
@@ -551,9 +552,35 @@ static struct platform_device mcf_edma = {
.platform_data = &mcf_edma_data,
}
};
-
#endif /* IS_ENABLED(CONFIG_MCF_EDMA) */
+#if IS_ENABLED(CONFIG_MMC)
+static struct mcf_esdhc_platform_data mcf_esdhc_data = {
+ .max_bus_width = 4,
+ .cd_type = ESDHC_CD_NONE,
+};
+
+static struct resource mcf_esdhc_resources[] = {
+ {
+ .start = MCFSDHC_BASE,
+ .end = MCFSDHC_BASE + MCFSDHC_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = MCF_IRQ_SDHC,
+ .end = MCF_IRQ_SDHC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mcf_esdhc = {
+ .name = "sdhci-esdhc-mcf",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(mcf_esdhc_resources),
+ .resource = mcf_esdhc_resources,
+ .dev.platform_data = &mcf_esdhc_data,
+};
+#endif /* IS_ENABLED(CONFIG_MMC) */
+
static struct platform_device *mcf_devices[] __initdata = {
&mcf_uart,
#if IS_ENABLED(CONFIG_FEC)
@@ -586,6 +613,9 @@ static struct platform_device *mcf_devices[] __initdata = {
#if IS_ENABLED(CONFIG_MCF_EDMA)
&mcf_edma,
#endif
+#if IS_ENABLED(CONFIG_MMC)
+ &mcf_esdhc,
+#endif
};
/*
@@ -614,4 +644,3 @@ static int __init mcf_init_devices(void)
}
arch_initcall(mcf_init_devices);
-
diff --git a/arch/m68k/coldfire/m5441x.c b/arch/m68k/coldfire/m5441x.c
index 5bd24c9b865d..1e5259a652d1 100644
--- a/arch/m68k/coldfire/m5441x.c
+++ b/arch/m68k/coldfire/m5441x.c
@@ -52,7 +52,7 @@ DEFINE_CLK(0, "mcfssi.0", 47, MCF_CLK);
DEFINE_CLK(0, "pll.0", 48, MCF_CLK);
DEFINE_CLK(0, "mcfrng.0", 49, MCF_CLK);
DEFINE_CLK(0, "mcfssi.1", 50, MCF_CLK);
-DEFINE_CLK(0, "mcfsdhc.0", 51, MCF_CLK);
+DEFINE_CLK(0, "sdhci-esdhc-mcf.0", 51, MCF_CLK);
DEFINE_CLK(0, "enet-fec.0", 53, MCF_CLK);
DEFINE_CLK(0, "enet-fec.1", 54, MCF_CLK);
DEFINE_CLK(0, "switch.0", 55, MCF_CLK);
@@ -74,6 +74,10 @@ DEFINE_CLK(1, "mcfpwm.0", 34, MCF_BUSCLK);
DEFINE_CLK(1, "sys.0", 36, MCF_BUSCLK);
DEFINE_CLK(1, "gpio.0", 37, MCF_BUSCLK);
+DEFINE_CLK(2, "ipg.0", 0, MCF_CLK);
+DEFINE_CLK(2, "ahb.0", 1, MCF_CLK);
+DEFINE_CLK(2, "per.0", 2, MCF_CLK);
+
struct clk *mcf_clks[] = {
&__clk_0_2,
&__clk_0_8,
@@ -131,6 +135,11 @@ struct clk *mcf_clks[] = {
&__clk_1_34,
&__clk_1_36,
&__clk_1_37,
+
+ &__clk_2_0,
+ &__clk_2_1,
+ &__clk_2_2,
+
NULL,
};
@@ -151,6 +160,7 @@ static struct clk * const enable_clks[] __initconst = {
&__clk_0_33, /* pit.1 */
&__clk_0_37, /* eport */
&__clk_0_48, /* pll */
+ &__clk_0_51, /* esdhc */
&__clk_1_36, /* CCM/reset module/Power management */
&__clk_1_37, /* gpio */
@@ -194,6 +204,21 @@ static struct clk * const disable_clks[] __initconst = {
&__clk_1_29, /* uart 9 */
};
+static void __clk_enable2(struct clk *clk)
+{
+ __raw_writel(__raw_readl(MCFSDHC_CLK) | (1 << clk->slot), MCFSDHC_CLK);
+}
+
+static void __clk_disable2(struct clk *clk)
+{
+ __raw_writel(__raw_readl(MCFSDHC_CLK) & ~(1 << clk->slot), MCFSDHC_CLK);
+}
+
+struct clk_ops clk_ops2 = {
+ .enable = __clk_enable2,
+ .disable = __clk_disable2,
+};
+
static void __init m5441x_clk_init(void)
{
unsigned i;
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 5b3a273ae3da..888b75e7fd79 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -100,7 +100,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -381,6 +380,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -452,6 +452,7 @@ CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_MSM6242=m
CONFIG_RTC_DRV_RP5C01=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -472,6 +473,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -619,9 +621,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 0bf0907a7c80..45303846b659 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -96,7 +96,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -360,6 +359,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -408,6 +408,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -428,6 +429,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -575,9 +577,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 876e69292294..de824c1bc3d3 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -103,7 +103,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -376,6 +375,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -430,6 +430,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -450,6 +451,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -597,9 +599,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index aa59c242e715..071839ca6a59 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -93,7 +93,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -358,6 +357,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -401,6 +401,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -421,6 +422,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -568,9 +570,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 308cd93929a9..37ac7b019ec1 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -95,7 +95,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -359,6 +358,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -410,6 +410,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -430,6 +431,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -577,9 +579,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index 0bc210ace870..608779866260 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -94,7 +94,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -375,6 +374,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -432,6 +432,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -452,6 +453,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -599,9 +601,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig
index 3b3b832dee80..0abb53c38c20 100644
--- a/arch/m68k/configs/multi_defconfig
+++ b/arch/m68k/configs/multi_defconfig
@@ -114,7 +114,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -419,6 +418,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -518,6 +518,7 @@ CONFIG_RTC_DRV_MSM6242=m
CONFIG_RTC_DRV_RP5C01=m
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -538,6 +539,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -685,9 +687,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index e3633c66926f..cb14c234d3ad 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -92,7 +92,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -357,6 +356,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -400,6 +400,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -420,6 +421,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -567,9 +569,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 88b3f7f9f146..e8a1920aded7 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -93,7 +93,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -358,6 +357,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -401,6 +401,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -421,6 +422,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -568,9 +570,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 3dd5b536921e..2cbf416fc725 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -94,7 +94,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -365,6 +364,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -419,6 +419,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -439,6 +440,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -586,9 +588,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 715e015ed270..fed3cc7abcc4 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -90,7 +90,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -355,6 +354,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -403,6 +403,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -423,6 +424,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -570,8 +572,10 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index f9ff129ac7c2..0954fde256e6 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -90,7 +90,6 @@ CONFIG_NF_CONNTRACK_SANE=m
CONFIG_NF_CONNTRACK_SIP=m
CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_TABLES=m
-CONFIG_NF_TABLES_SET=m
CONFIG_NF_TABLES_INET=y
CONFIG_NF_TABLES_NETDEV=y
CONFIG_NFT_NUMGEN=m
@@ -355,6 +354,7 @@ CONFIG_IPVLAN=m
CONFIG_IPVTAP=m
CONFIG_VXLAN=m
CONFIG_GENEVE=m
+CONFIG_BAREUDP=m
CONFIG_GTP=m
CONFIG_MACSEC=m
CONFIG_NETCONSOLE=m
@@ -402,6 +402,7 @@ CONFIG_RTC_CLASS=y
# CONFIG_RTC_NVMEM is not set
CONFIG_RTC_DRV_GENERIC=m
# CONFIG_VIRTIO_MENU is not set
+# CONFIG_VHOST_MENU is not set
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_DAX=m
CONFIG_EXT4_FS=y
@@ -422,6 +423,7 @@ CONFIG_ZISOFS=y
CONFIG_UDF_FS=m
CONFIG_MSDOS_FS=m
CONFIG_VFAT_FS=m
+CONFIG_EXFAT_FS=m
CONFIG_PROC_KCORE=y
CONFIG_PROC_CHILDREN=y
CONFIG_TMPFS=y
@@ -569,9 +571,11 @@ CONFIG_XZ_DEC_TEST=m
CONFIG_STRING_SELFTEST=m
# CONFIG_SECTION_MISMATCH_WARN_ONLY is not set
CONFIG_MAGIC_SYSRQ=y
+CONFIG_TEST_LOCKUP=m
CONFIG_WW_MUTEX_SELFTEST=m
CONFIG_EARLY_PRINTK=y
CONFIG_TEST_LIST_SORT=m
+CONFIG_TEST_MIN_HEAP=m
CONFIG_TEST_SORT=m
CONFIG_REED_SOLOMON_TEST=m
CONFIG_ATOMIC64_SELFTEST=m
diff --git a/arch/m68k/include/asm/checksum.h b/arch/m68k/include/asm/checksum.h
index f9b94e4b94f9..3f2c15d6f18c 100644
--- a/arch/m68k/include/asm/checksum.h
+++ b/arch/m68k/include/asm/checksum.h
@@ -30,7 +30,8 @@ __wsum csum_partial(const void *buff, int len, __wsum sum);
* better 64-bit) boundary
*/
-extern __wsum csum_partial_copy_from_user(const void __user *src,
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
+extern __wsum csum_and_copy_from_user(const void __user *src,
void *dst,
int len, __wsum sum,
int *csum_err);
diff --git a/arch/m68k/include/asm/floppy.h b/arch/m68k/include/asm/floppy.h
index c3b9ad6732fc..a4d0fea47c6b 100644
--- a/arch/m68k/include/asm/floppy.h
+++ b/arch/m68k/include/asm/floppy.h
@@ -63,21 +63,21 @@ static __inline__ void release_dma_lock(unsigned long flags)
}
-static __inline__ unsigned char fd_inb(int port)
+static __inline__ unsigned char fd_inb(int base, int reg)
{
if(MACH_IS_Q40)
- return inb_p(port);
+ return inb_p(base + reg);
else if(MACH_IS_SUN3X)
- return sun3x_82072_fd_inb(port);
+ return sun3x_82072_fd_inb(base + reg);
return 0;
}
-static __inline__ void fd_outb(unsigned char value, int port)
+static __inline__ void fd_outb(unsigned char value, int base, int reg)
{
if(MACH_IS_Q40)
- outb_p(value, port);
+ outb_p(value, base + reg);
else if(MACH_IS_SUN3X)
- sun3x_82072_fd_outb(value, port);
+ sun3x_82072_fd_outb(value, base + reg);
}
@@ -211,26 +211,27 @@ asmlinkage irqreturn_t floppy_hardint(int irq, void *dev_id)
st=1;
for(lcount=virtual_dma_count, lptr=virtual_dma_addr;
lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if(st != 0xa0)
+ st = inb(virtual_dma_port + FD_STATUS);
+ st &= STATUS_DMA | STATUS_READY;
+ if (st != (STATUS_DMA | STATUS_READY))
break;
if(virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
+ outb_p(*lptr, virtual_dma_port + FD_DATA);
else
- *lptr = inb_p(virtual_dma_port+5);
+ *lptr = inb_p(virtual_dma_port + FD_DATA);
}
virtual_dma_count = lcount;
virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
+ st = inb(virtual_dma_port + FD_STATUS);
}
#ifdef TRACE_FLPY_INT
calls++;
#endif
- if(st == 0x20)
+ if (st == STATUS_DMA)
return IRQ_HANDLED;
- if(!(st & 0x20)) {
+ if (!(st & STATUS_DMA)) {
virtual_dma_residue += virtual_dma_count;
virtual_dma_count=0;
#ifdef TRACE_FLPY_INT
diff --git a/arch/m68k/include/asm/m5441xsim.h b/arch/m68k/include/asm/m5441xsim.h
index 4892f314ff38..e091e36d3464 100644
--- a/arch/m68k/include/asm/m5441xsim.h
+++ b/arch/m68k/include/asm/m5441xsim.h
@@ -279,6 +279,13 @@
#define MCFGPIO_PIN_MAX 87
/*
+ * Phase Locked Loop (PLL)
+ */
+#define MCF_PLL_CR 0xFC0C0000
+#define MCF_PLL_DR 0xFC0C0004
+#define MCF_PLL_SR 0xFC0C0008
+
+/*
* DSPI module.
*/
#define MCFDSPI_BASE0 0xfc05c000
@@ -298,5 +305,13 @@
#define MCFEDMA_IRQ_INTR16 (MCFINT1_VECBASE + MCFEDMA_EDMA_INTR16)
#define MCFEDMA_IRQ_INTR56 (MCFINT2_VECBASE + MCFEDMA_EDMA_INTR56)
#define MCFEDMA_IRQ_ERR (MCFINT0_VECBASE + MCFINT0_EDMA_ERR)
+/*
+ * esdhc module.
+ */
+#define MCFSDHC_BASE 0xfc0cc000
+#define MCFSDHC_SIZE 256
+#define MCFINT2_SDHC 31
+#define MCF_IRQ_SDHC (MCFINT2_VECBASE + MCFINT2_SDHC)
+#define MCFSDHC_CLK (MCFSDHC_BASE + 0x2c)
#endif /* m5441xsim_h */
diff --git a/arch/m68k/include/asm/mac_via.h b/arch/m68k/include/asm/mac_via.h
index de1470c4d829..1149251ea58d 100644
--- a/arch/m68k/include/asm/mac_via.h
+++ b/arch/m68k/include/asm/mac_via.h
@@ -257,6 +257,7 @@ extern int rbv_present,via_alt_mapping;
struct irq_desc;
+extern void via_l2_flush(int writeback);
extern void via_register_interrupts(void);
extern void via_irq_enable(int);
extern void via_irq_disable(int);
diff --git a/arch/m68k/include/asm/mcfclk.h b/arch/m68k/include/asm/mcfclk.h
index 0aca504fae31..722627e06d66 100644
--- a/arch/m68k/include/asm/mcfclk.h
+++ b/arch/m68k/include/asm/mcfclk.h
@@ -30,6 +30,8 @@ extern struct clk_ops clk_ops0;
extern struct clk_ops clk_ops1;
#endif /* MCFPM_PPMCR1 */
+extern struct clk_ops clk_ops2;
+
#define DEFINE_CLK(clk_bank, clk_name, clk_slot, clk_rate) \
static struct clk __clk_##clk_bank##_##clk_slot = { \
.name = clk_name, \
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 7e85de984df1..9ae9f8d05925 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -142,7 +142,7 @@ asm volatile ("\n" \
__get_user_asm(__gu_err, x, ptr, u32, l, r, -EFAULT); \
break; \
case 8: { \
- const void *__gu_ptr = (ptr); \
+ const void __user *__gu_ptr = (ptr); \
union { \
u64 l; \
__typeof__(*(ptr)) t; \
diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl
index f4f49fcb76d0..f71b1bbcc198 100644
--- a/arch/m68k/kernel/syscalls/syscall.tbl
+++ b/arch/m68k/kernel/syscalls/syscall.tbl
@@ -437,3 +437,4 @@
435 common clone3 __sys_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/m68k/lib/checksum.c b/arch/m68k/lib/checksum.c
index 5fa3d392e181..31797be9a3dc 100644
--- a/arch/m68k/lib/checksum.c
+++ b/arch/m68k/lib/checksum.c
@@ -129,7 +129,7 @@ EXPORT_SYMBOL(csum_partial);
*/
__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
+csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *csum_err)
{
/*
@@ -316,7 +316,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
return(sum);
}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
+EXPORT_SYMBOL(csum_and_copy_from_user);
/*
diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
index 611f73bfc87c..d0126ab01360 100644
--- a/arch/m68k/mac/config.c
+++ b/arch/m68k/mac/config.c
@@ -59,7 +59,6 @@ extern void iop_preinit(void);
extern void iop_init(void);
extern void via_init(void);
extern void via_init_clock(irq_handler_t func);
-extern void via_flush_cache(void);
extern void oss_init(void);
extern void psc_init(void);
extern void baboon_init(void);
@@ -130,21 +129,6 @@ int __init mac_parse_bootinfo(const struct bi_record *record)
return unknown;
}
-/*
- * Flip into 24bit mode for an instant - flushes the L2 cache card. We
- * have to disable interrupts for this. Our IRQ handlers will crap
- * themselves if they take an IRQ in 24bit mode!
- */
-
-static void mac_cache_card_flush(int writeback)
-{
- unsigned long flags;
-
- local_irq_save(flags);
- via_flush_cache();
- local_irq_restore(flags);
-}
-
void __init config_mac(void)
{
if (!MACH_IS_MAC)
@@ -175,9 +159,8 @@ void __init config_mac(void)
* not.
*/
- if (macintosh_config->ident == MAC_MODEL_IICI
- || macintosh_config->ident == MAC_MODEL_IIFX)
- mach_l2_flush = mac_cache_card_flush;
+ if (macintosh_config->ident == MAC_MODEL_IICI)
+ mach_l2_flush = via_l2_flush;
}
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 9bfa17015768..d3775afb0f07 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -299,7 +299,6 @@ void __init iop_init(void)
/*
* Register the interrupt handler for the IOPs.
- * TODO: might be wrong for non-OSS machines. Anyone?
*/
void __init iop_register_interrupts(void)
@@ -566,36 +565,42 @@ irqreturn_t iop_ism_irq(int irq, void *dev_id)
uint iop_num = (uint) dev_id;
volatile struct mac_iop *iop = iop_base[iop_num];
int i,state;
+ u8 events = iop->status_ctrl & (IOP_INT0 | IOP_INT1);
iop_pr_debug("status %02X\n", iop->status_ctrl);
- /* INT0 indicates a state change on an outgoing message channel */
-
- if (iop->status_ctrl & IOP_INT0) {
- iop->status_ctrl = IOP_INT0 | IOP_RUN | IOP_AUTOINC;
- iop_pr_debug("new status %02X, send states", iop->status_ctrl);
- for (i = 0 ; i < NUM_IOP_CHAN ; i++) {
- state = iop_readb(iop, IOP_ADDR_SEND_STATE + i);
- iop_pr_cont(" %02X", state);
- if (state == IOP_MSG_COMPLETE) {
- iop_handle_send(iop_num, i);
+ do {
+ /* INT0 indicates state change on an outgoing message channel */
+ if (events & IOP_INT0) {
+ iop->status_ctrl = IOP_INT0 | IOP_RUN | IOP_AUTOINC;
+ iop_pr_debug("new status %02X, send states",
+ iop->status_ctrl);
+ for (i = 0; i < NUM_IOP_CHAN; i++) {
+ state = iop_readb(iop, IOP_ADDR_SEND_STATE + i);
+ iop_pr_cont(" %02X", state);
+ if (state == IOP_MSG_COMPLETE)
+ iop_handle_send(iop_num, i);
}
+ iop_pr_cont("\n");
}
- iop_pr_cont("\n");
- }
- if (iop->status_ctrl & IOP_INT1) { /* INT1 for incoming msgs */
- iop->status_ctrl = IOP_INT1 | IOP_RUN | IOP_AUTOINC;
- iop_pr_debug("new status %02X, recv states", iop->status_ctrl);
- for (i = 0 ; i < NUM_IOP_CHAN ; i++) {
- state = iop_readb(iop, IOP_ADDR_RECV_STATE + i);
- iop_pr_cont(" %02X", state);
- if (state == IOP_MSG_NEW) {
- iop_handle_recv(iop_num, i);
+ /* INT1 for incoming messages */
+ if (events & IOP_INT1) {
+ iop->status_ctrl = IOP_INT1 | IOP_RUN | IOP_AUTOINC;
+ iop_pr_debug("new status %02X, recv states",
+ iop->status_ctrl);
+ for (i = 0; i < NUM_IOP_CHAN; i++) {
+ state = iop_readb(iop, IOP_ADDR_RECV_STATE + i);
+ iop_pr_cont(" %02X", state);
+ if (state == IOP_MSG_NEW)
+ iop_handle_recv(iop_num, i);
}
+ iop_pr_cont("\n");
}
- iop_pr_cont("\n");
- }
+
+ events = iop->status_ctrl & (IOP_INT0 | IOP_INT1);
+ } while (events);
+
return IRQ_HANDLED;
}
diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 3c2cfcb74982..1f0fad2a98a0 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -294,10 +294,14 @@ void via_debug_dump(void)
* the system into 24-bit mode for an instant.
*/
-void via_flush_cache(void)
+void via_l2_flush(int writeback)
{
+ unsigned long flags;
+
+ local_irq_save(flags);
via2[gBufB] &= ~VIA2B_vMode32;
via2[gBufB] |= VIA2B_vMode32;
+ local_irq_restore(flags);
}
/*
diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c
index b88d510d4fe3..6d3147662ff2 100644
--- a/arch/m68k/mm/init.c
+++ b/arch/m68k/mm/init.c
@@ -84,7 +84,7 @@ void __init paging_init(void)
* page_alloc get different views of the world.
*/
unsigned long end_mem = memory_end & PAGE_MASK;
- unsigned long zones_size[MAX_NR_ZONES] = { 0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, };
high_memory = (void *) end_mem;
@@ -98,8 +98,8 @@ void __init paging_init(void)
*/
set_fs (USER_DS);
- zones_size[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT;
- free_area_init(zones_size);
+ max_zone_pfn[ZONE_DMA] = end_mem >> PAGE_SHIFT;
+ free_area_init(max_zone_pfn);
}
#endif /* CONFIG_MMU */
diff --git a/arch/m68k/mm/mcfmmu.c b/arch/m68k/mm/mcfmmu.c
index 0ea375607767..80064e6d064f 100644
--- a/arch/m68k/mm/mcfmmu.c
+++ b/arch/m68k/mm/mcfmmu.c
@@ -39,7 +39,7 @@ void __init paging_init(void)
pte_t *pg_table;
unsigned long address, size;
unsigned long next_pgtable, bootmem_end;
- unsigned long zones_size[MAX_NR_ZONES];
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
enum zone_type zone;
int i;
@@ -80,11 +80,8 @@ void __init paging_init(void)
}
current->mm = NULL;
-
- for (zone = 0; zone < MAX_NR_ZONES; zone++)
- zones_size[zone] = 0x0;
- zones_size[ZONE_DMA] = num_pages;
- free_area_init(zones_size);
+ max_zone_pfn[ZONE_DMA] = PFN_DOWN(_ramend);
+ free_area_init(max_zone_pfn);
}
int cf_tlb_miss(struct pt_regs *regs, int write, int dtlb, int extension_word)
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c
index fc16190ec2d6..904c2a663977 100644
--- a/arch/m68k/mm/motorola.c
+++ b/arch/m68k/mm/motorola.c
@@ -365,7 +365,7 @@ static void __init map_node(int node)
*/
void __init paging_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES] = { 0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, };
unsigned long min_addr, max_addr;
unsigned long addr;
int i;
@@ -386,7 +386,7 @@ void __init paging_init(void)
min_addr = m68k_memory[0].addr;
max_addr = min_addr + m68k_memory[0].size;
- memblock_add(m68k_memory[0].addr, m68k_memory[0].size);
+ memblock_add_node(m68k_memory[0].addr, m68k_memory[0].size, 0);
for (i = 1; i < m68k_num_memory;) {
if (m68k_memory[i].addr < min_addr) {
printk("Ignoring memory chunk at 0x%lx:0x%lx before the first chunk\n",
@@ -397,7 +397,7 @@ void __init paging_init(void)
(m68k_num_memory - i) * sizeof(struct m68k_mem_info));
continue;
}
- memblock_add(m68k_memory[i].addr, m68k_memory[i].size);
+ memblock_add_node(m68k_memory[i].addr, m68k_memory[i].size, i);
addr = m68k_memory[i].addr + m68k_memory[i].size;
if (addr > max_addr)
max_addr = addr;
@@ -448,11 +448,10 @@ void __init paging_init(void)
#ifdef DEBUG
printk ("before free_area_init\n");
#endif
- for (i = 0; i < m68k_num_memory; i++) {
- zones_size[ZONE_DMA] = m68k_memory[i].size >> PAGE_SHIFT;
- free_area_init_node(i, zones_size,
- m68k_memory[i].addr >> PAGE_SHIFT, NULL);
+ for (i = 0; i < m68k_num_memory; i++)
if (node_present_pages(i))
node_set_state(i, N_NORMAL_MEMORY);
- }
+
+ max_zone_pfn[ZONE_DMA] = memblock_end_of_DRAM();
+ free_area_init(max_zone_pfn);
}
diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c
index eca1c46bb90a..5d8d956d9329 100644
--- a/arch/m68k/mm/sun3mmu.c
+++ b/arch/m68k/mm/sun3mmu.c
@@ -42,7 +42,7 @@ void __init paging_init(void)
unsigned long address;
unsigned long next_pgtable;
unsigned long bootmem_end;
- unsigned long zones_size[MAX_NR_ZONES] = { 0, };
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, };
unsigned long size;
empty_zero_page = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
@@ -89,14 +89,10 @@ void __init paging_init(void)
current->mm = NULL;
/* memory sizing is a hack stolen from motorola.c.. hope it works for us */
- zones_size[ZONE_DMA] = ((unsigned long)high_memory - PAGE_OFFSET) >> PAGE_SHIFT;
+ max_zone_pfn[ZONE_DMA] = ((unsigned long)high_memory) >> PAGE_SHIFT;
/* I really wish I knew why the following change made things better... -- Sam */
-/* free_area_init(zones_size); */
- free_area_init_node(0, zones_size,
- (__pa(PAGE_OFFSET) >> PAGE_SHIFT) + 1, NULL);
+ free_area_init(max_zone_pfn);
}
-
-
diff --git a/arch/m68k/tools/amiga/dmesg.c b/arch/m68k/tools/amiga/dmesg.c
index 7340f5b6cf6d..f8005a7efb0b 100644
--- a/arch/m68k/tools/amiga/dmesg.c
+++ b/arch/m68k/tools/amiga/dmesg.c
@@ -34,7 +34,7 @@ struct savekmsg {
u_long magic2; /* SAVEKMSG_MAGIC2 */
u_long magicptr; /* address of magic1 */
u_long size;
- char data[0];
+ char data[];
};
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 9606c244b5b8..d262ac0c8714 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -32,7 +32,6 @@ config MICROBLAZE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_OPROFILE
select HAVE_PCI
select IRQ_DOMAIN
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index 92e12c2c2ec1..51c43ee5e380 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -6,7 +6,6 @@
#include <linux/export.h>
#include <linux/string.h>
-#include <linux/cryptohash.h>
#include <linux/delay.h>
#include <linux/in6.h>
#include <linux/syscalls.h>
diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl
index 4c67b11f9c9e..edacc4561f2b 100644
--- a/arch/microblaze/kernel/syscalls/syscall.tbl
+++ b/arch/microblaze/kernel/syscalls/syscall.tbl
@@ -443,3 +443,4 @@
435 common clone3 sys_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 1ffbfa96b9b8..dcaa53d11339 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -112,7 +112,7 @@ static void __init paging_init(void)
#endif
/* We don't have holes in memory map */
- free_area_init_nodes(zones_size);
+ free_area_init(zones_size);
}
void __init setup_memory(void)
diff --git a/arch/mips/Kbuild b/arch/mips/Kbuild
index a8d5e4fcbe53..d5d6ef9bb986 100644
--- a/arch/mips/Kbuild
+++ b/arch/mips/Kbuild
@@ -12,7 +12,7 @@ obj-y := $(platform-y)
# make clean traverses $(obj-) without having included .config, so
# everything ends up here
-obj- := $(platform-)
+obj- := $(platform-y)
# mips object files
# The object files are linked as core-y files would be linked
diff --git a/arch/mips/Kbuild.platforms b/arch/mips/Kbuild.platforms
index a69b272a3ab0..c7368a81fd1e 100644
--- a/arch/mips/Kbuild.platforms
+++ b/arch/mips/Kbuild.platforms
@@ -1,42 +1,44 @@
# SPDX-License-Identifier: GPL-2.0
# All platforms listed in alphabetic order
-platforms += alchemy
-platforms += ar7
-platforms += ath25
-platforms += ath79
-platforms += bcm47xx
-platforms += bcm63xx
-platforms += bmips
-platforms += cavium-octeon
-platforms += cobalt
-platforms += dec
-platforms += emma
-platforms += generic
-platforms += jazz
-platforms += jz4740
-platforms += lantiq
-platforms += lasat
-platforms += loongson2ef
-platforms += loongson32
-platforms += loongson64
-platforms += mti-malta
-platforms += netlogic
-platforms += paravirt
-platforms += pic32
-platforms += pistachio
-platforms += pmcs-msp71xx
-platforms += pnx833x
-platforms += ralink
-platforms += rb532
-platforms += sgi-ip22
-platforms += sgi-ip27
-platforms += sgi-ip30
-platforms += sgi-ip32
-platforms += sibyte
-platforms += sni
-platforms += txx9
-platforms += vr41xx
+platform-$(CONFIG_MIPS_ALCHEMY) += alchemy/
+platform-$(CONFIG_AR7) += ar7/
+platform-$(CONFIG_ATH25) += ath25/
+platform-$(CONFIG_ATH79) += ath79/
+platform-$(CONFIG_BCM47XX) += bcm47xx/
+platform-$(CONFIG_BCM63XX) += bcm63xx/
+platform-$(CONFIG_BMIPS_GENERIC) += bmips/
+platform-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon/
+platform-$(CONFIG_MIPS_COBALT) += cobalt/
+platform-$(CONFIG_MACH_DECSTATION) += dec/
+platform-$(CONFIG_MIPS_GENERIC) += generic/
+platform-$(CONFIG_MACH_JAZZ) += jazz/
+platform-$(CONFIG_MACH_INGENIC) += jz4740/
+platform-$(CONFIG_LANTIQ) += lantiq/
+platform-$(CONFIG_MACH_LOONGSON2EF) += loongson2ef/
+platform-$(CONFIG_MACH_LOONGSON32) += loongson32/
+platform-$(CONFIG_MACH_LOONGSON64) += loongson64/
+platform-$(CONFIG_MIPS_MALTA) += mti-malta/
+platform-$(CONFIG_NLM_COMMON) += netlogic/
+platform-$(CONFIG_MIPS_PARAVIRT) += paravirt/
+platform-$(CONFIG_PIC32MZDA) += pic32/
+platform-$(CONFIG_MACH_PISTACHIO) += pistachio/
+platform-$(CONFIG_SOC_PNX833X) += pnx833x/
+platform-$(CONFIG_RALINK) += ralink/
+platform-$(CONFIG_MIKROTIK_RB532) += rb532/
+platform-$(CONFIG_SGI_IP22) += sgi-ip22/
+platform-$(CONFIG_SGI_IP27) += sgi-ip27/
+platform-$(CONFIG_SGI_IP28) += sgi-ip22/
+platform-$(CONFIG_SGI_IP30) += sgi-ip30/
+platform-$(CONFIG_SGI_IP32) += sgi-ip32/
+platform-$(CONFIG_SIBYTE_BCM112X) += sibyte/
+platform-$(CONFIG_SIBYTE_SB1250) += sibyte/
+platform-$(CONFIG_SIBYTE_BCM1x55) += sibyte/
+platform-$(CONFIG_SIBYTE_BCM1x80) += sibyte/
+platform-$(CONFIG_SNI_RM) += sni/
+platform-$(CONFIG_MACH_TX39XX) += txx9/
+platform-$(CONFIG_MACH_TX49XX) += txx9/
+platform-$(CONFIG_MACH_VR41XX) += vr41xx/
# include the platform specific files
-include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms))
+include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platform-y))
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 690718b3701a..9dc08ee3d6b9 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -72,7 +72,6 @@ config MIPS
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI
select HAVE_OPROFILE
@@ -92,6 +91,9 @@ config MIPS
select SYSCTL_EXCEPTION_TRACE
select VIRT_TO_BUS
+config MIPS_FIXUP_BIGPHYS_ADDR
+ bool
+
menu "Machine selection"
choice
@@ -157,6 +159,7 @@ config MIPS_ALCHEMY
select CSRC_R4K
select IRQ_MIPS_CPU
select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
+ select MIPS_FIXUP_BIGPHYS_ADDR if PCI
select SYS_HAS_CPU_MIPS32_R1
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_APM_EMULATION
@@ -427,23 +430,6 @@ config LANTIQ
select ARCH_HAS_RESET_CONTROLLER
select RESET_CONTROLLER
-config LASAT
- bool "LASAT Networks platforms"
- select CEVT_R4K
- select CRC32
- select CSRC_R4K
- select DMA_NONCOHERENT
- select SYS_HAS_EARLY_PRINTK
- select HAVE_PCI
- select IRQ_MIPS_CPU
- select PCI_GT64XXX_PCI0
- select MIPS_NILE4
- select R5000_CPU_SCACHE
- select SYS_HAS_CPU_R5000
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
- select SYS_SUPPORTS_LITTLE_ENDIAN
-
config MACH_LOONGSON32
bool "Loongson 32-bit family of machines"
select SYS_SUPPORTS_ZBOOT
@@ -475,8 +461,10 @@ config MACH_LOONGSON64
select ISA
select I8259
select IRQ_MIPS_CPU
- select NR_CPUS_DEFAULT_4
+ select NO_EXCEPT_FILL
+ select NR_CPUS_DEFAULT_64
select USE_GENERIC_EARLY_PRINTK_8250
+ select PCI_DRIVERS_GENERIC
select SYS_HAS_CPU_LOONGSON64
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_SMP
@@ -593,13 +581,6 @@ config MACH_PIC32
Microchip PIC32 is a family of general-purpose 32 bit MIPS core
microcontrollers.
-config NEC_MARKEINS
- bool "NEC EMMA2RH Mark-eins board"
- select SOC_EMMA2RH
- select HAVE_PCI
- help
- This enables support for the NEC Electronics Mark-eins boards.
-
config MACH_VR41XX
bool "NEC VR4100 series based machines"
select CEVT_R4K
@@ -621,30 +602,6 @@ config NXP_STB225
help
Support for NXP Semiconductors STB225 Development Board.
-config PMC_MSP
- bool "PMC-Sierra MSP chipsets"
- select CEVT_R4K
- select CSRC_R4K
- select DMA_NONCOHERENT
- select SWAP_IO_SPACE
- select NO_EXCEPT_FILL
- select BOOT_RAW
- select SYS_HAS_CPU_MIPS32_R1
- select SYS_HAS_CPU_MIPS32_R2
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
- select SYS_SUPPORTS_MIPS16
- select IRQ_MIPS_CPU
- select SERIAL_8250
- select SERIAL_8250_CONSOLE
- select USB_EHCI_BIG_ENDIAN_MMIO
- select USB_EHCI_BIG_ENDIAN_DESC
- help
- This adds support for the PMC-Sierra family of Multi-Service
- Processor System-On-A-Chips. These parts include a number
- of integrated peripherals, interfaces and DSPs in addition to
- a variety of MIPS cores.
-
config RALINK
bool "Ralink based machines"
select CEVT_R4K
@@ -1087,10 +1044,8 @@ source "arch/mips/generic/Kconfig"
source "arch/mips/jazz/Kconfig"
source "arch/mips/jz4740/Kconfig"
source "arch/mips/lantiq/Kconfig"
-source "arch/mips/lasat/Kconfig"
source "arch/mips/pic32/Kconfig"
source "arch/mips/pistachio/Kconfig"
-source "arch/mips/pmcs-msp71xx/Kconfig"
source "arch/mips/ralink/Kconfig"
source "arch/mips/sgi-ip27/Kconfig"
source "arch/mips/sibyte/Kconfig"
@@ -1154,6 +1109,7 @@ config CSRC_IOASIC
bool
config CSRC_R4K
+ select CLOCKSOURCE_WATCHDOG if CPU_FREQ
bool
config CSRC_SB1250
@@ -1211,9 +1167,6 @@ config MIPS_BONITO64
config MIPS_MSC
bool
-config MIPS_NILE4
- bool
-
config SYNC_R4K
bool
@@ -1334,18 +1287,6 @@ config PCI_XTALK_BRIDGE
config NO_EXCEPT_FILL
bool
-config SOC_EMMA2RH
- bool
- select CEVT_R4K
- select CSRC_R4K
- select DMA_NONCOHERENT
- select IRQ_MIPS_CPU
- select SWAP_IO_SPACE
- select SYS_HAS_CPU_R5500
- select SYS_SUPPORTS_32BIT_KERNEL
- select SYS_SUPPORTS_64BIT_KERNEL
- select SYS_SUPPORTS_BIG_ENDIAN
-
config SOC_PNX833X
bool
select CEVT_R4K
@@ -1419,9 +1360,6 @@ config MIPS_L1_CACHE_SHIFT
default "4" if MIPS_L1_CACHE_SHIFT_4
default "5"
-config HAVE_STD_PC_SERIAL_PORT
- bool
-
config ARC_CMDLINE_ONLY
bool
@@ -1504,6 +1442,18 @@ config CPU_LOONGSON3_WORKAROUNDS
If unsure, please say Y.
+config CPU_LOONGSON3_CPUCFG_EMULATION
+ bool "Emulate the CPUCFG instruction on older Loongson cores"
+ default y
+ depends on CPU_LOONGSON64
+ help
+ Loongson-3A R4 and newer have the CPUCFG instruction available for
+ userland to query CPU capabilities, much like CPUID on x86. This
+ option provides emulation of the instruction on older Loongson
+ cores, back to Loongson-3A1000.
+
+ If unsure, please say Y.
+
config CPU_LOONGSON2E
bool "Loongson 2E"
depends on SYS_HAS_CPU_LOONGSON2E
@@ -1580,6 +1530,21 @@ config CPU_MIPS32_R2
specific type of processor in your system, choose those that one
otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
+config CPU_MIPS32_R5
+ bool "MIPS32 Release 5"
+ depends on SYS_HAS_CPU_MIPS32_R5
+ select CPU_HAS_PREFETCH
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_MSA
+ select HAVE_KVM
+ select MIPS_O32_FP64_SUPPORT
+ help
+ Choose this option to build a kernel for release 5 or later of the
+ MIPS32 architecture. New MIPS processors, starting with the Warrior
+ family, are based on a MIPS32r5 processor. If you own an older
+ processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
+
config CPU_MIPS32_R6
bool "MIPS32 Release 6"
depends on SYS_HAS_CPU_MIPS32_R6
@@ -1632,6 +1597,23 @@ config CPU_MIPS64_R2
specific type of processor in your system, choose those that one
otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
+config CPU_MIPS64_R5
+ bool "MIPS64 Release 5"
+ depends on SYS_HAS_CPU_MIPS64_R5
+ select CPU_HAS_PREFETCH
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_64BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_HUGEPAGES
+ select CPU_SUPPORTS_MSA
+ select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
+ select HAVE_KVM
+ help
+ Choose this option to build a kernel for release 5 or later of the
+ MIPS64 architecture. This is a intermediate MIPS architecture
+ release partly implementing release 6 features. Though there is no
+ any hardware known to be based on this release.
+
config CPU_MIPS64_R6
bool "MIPS64 Release 6"
depends on SYS_HAS_CPU_MIPS64_R6
@@ -1650,6 +1632,28 @@ config CPU_MIPS64_R6
family, are based on a MIPS64r6 processor. If you own an older
processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
+config CPU_P5600
+ bool "MIPS Warrior P5600"
+ depends on SYS_HAS_CPU_P5600
+ select CPU_HAS_PREFETCH
+ select CPU_SUPPORTS_32BIT_KERNEL
+ select CPU_SUPPORTS_HIGHMEM
+ select CPU_SUPPORTS_MSA
+ select CPU_SUPPORTS_UNCACHED_ACCELERATED
+ select CPU_SUPPORTS_CPUFREQ
+ select CPU_MIPSR2_IRQ_VI
+ select CPU_MIPSR2_IRQ_EI
+ select HAVE_KVM
+ select MIPS_O32_FP64_SUPPORT
+ help
+ Choose this option to build a kernel for MIPS Warrior P5600 CPU.
+ It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
+ MMU with two-levels TLB, UCA, MSA, MDU core level features and system
+ level features like up to six P5600 calculation cores, CM2 with L2
+ cache, IOCU/IOMMU (though might be unused depending on the system-
+ specific IP core configuration), GIC, CPC, virtualisation module,
+ eJTAG and PDtrace.
+
config CPU_R3000
bool "R3000"
depends on SYS_HAS_CPU_R3000
@@ -1826,7 +1830,8 @@ endchoice
config CPU_MIPS32_3_5_FEATURES
bool "MIPS32 Release 3.5 Features"
depends on SYS_HAS_CPU_MIPS32_R3_5
- depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
+ depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
+ CPU_P5600
help
Choose this option to build a kernel for release 2 or later of the
MIPS32 architecture including features from the 3.5 release such as
@@ -1846,7 +1851,7 @@ config CPU_MIPS32_3_5_EVA
config CPU_MIPS32_R5_FEATURES
bool "MIPS32 Release 5 Features"
depends on SYS_HAS_CPU_MIPS32_R5
- depends on CPU_MIPS32_R2
+ depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
help
Choose this option to build a kernel for release 2 or later of the
MIPS32 architecture including features from release 5 such as
@@ -2001,6 +2006,10 @@ config SYS_HAS_CPU_MIPS64_R6
bool
select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+config SYS_HAS_CPU_P5600
+ bool
+ select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
+
config SYS_HAS_CPU_R3000
bool
@@ -2084,11 +2093,13 @@ endmenu
#
config CPU_MIPS32
bool
- default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
+ default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
+ CPU_MIPS32_R6 || CPU_P5600
config CPU_MIPS64
bool
- default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
+ default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
+ CPU_MIPS64_R6
#
# These indicate the revision of the architecture
@@ -2104,6 +2115,13 @@ config CPU_MIPSR2
select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
select MIPS_SPRAM
+config CPU_MIPSR5
+ bool
+ default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
+ select CPU_HAS_RIXI
+ select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
+ select MIPS_SPRAM
+
config CPU_MIPSR6
bool
default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
@@ -2118,6 +2136,7 @@ config TARGET_ISA_REV
int
default 1 if CPU_MIPSR1
default 2 if CPU_MIPSR2
+ default 5 if CPU_MIPSR5
default 6 if CPU_MIPSR6
default 0
help
@@ -2707,7 +2726,11 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK
config RELOCATABLE
bool "Relocatable kernel"
- depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
+ depends on SYS_SUPPORTS_RELOCATABLE
+ depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
+ CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
+ CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
+ CPU_P5600 || CAVIUM_OCTEON_SOC
help
This builds a kernel image that retains relocation information
so it can be loaded someplace besides the default 1MB.
@@ -3275,3 +3298,5 @@ endmenu
source "drivers/firmware/Kconfig"
source "arch/mips/kvm/Kconfig"
+
+source "arch/mips/vdso/Kconfig"
diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug
index 93a2974d2ab7..7a8d94cdd493 100644
--- a/arch/mips/Kconfig.debug
+++ b/arch/mips/Kconfig.debug
@@ -148,4 +148,14 @@ config MIPS_CPS_NS16550_SHIFT
form their addresses. That is, log base 2 of the span between
adjacent ns16550 registers in the system.
+config MIPS_CPS_NS16550_WIDTH
+ int "UART Register Width"
+ default 1
+ help
+ ns16550 registers width. UART registers IO access methods will be
+ selected in accordance with this parameter. By setting it to 1, 2 or
+ 4 UART registers will be accessed by means of lb/sb, lh/sh or lw/sw
+ instructions respectively. Any value not from that set activates
+ lb/sb instructions.
+
endif # MIPS_CPS_NS16550_BOOL
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index e1c44aed8156..0d0f29d662c9 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -116,33 +116,8 @@ endif
cflags-y += -ffreestanding
-#
-# We explicitly add the endianness specifier if needed, this allows
-# to compile kernels with a toolchain for the other endianness. We
-# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
-# when fed the toolchain default!
-#
-# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of
-# 2006-10-10 don't properly change the predefined symbols if -EB / -EL
-# are used, so we kludge that here. A bug has been filed at
-# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413.
-#
-# clang doesn't suffer from these issues and our checks against -dumpmachine
-# don't work so well when cross compiling, since without providing --target
-# clang's output will be based upon the build machine. So for clang we simply
-# unconditionally specify -EB or -EL as appropriate.
-#
-ifdef CONFIG_CC_IS_CLANG
cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL
-else
-undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__
-undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__
-predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__
-predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__
-cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be))
-cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
-endif
cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
-fno-omit-frame-pointer
@@ -171,10 +146,13 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg
cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg
cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap
+cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap
cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap
+cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg
cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap
cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \
-Wa,--trap
@@ -288,12 +266,23 @@ ifdef CONFIG_64BIT
endif
endif
+# When linking a 32-bit executable the LLVM linker cannot cope with a
+# 32-bit load address that has been sign-extended to 64 bits. Simply
+# remove the upper 32 bits then, as it is safe to do so with other
+# linkers.
+ifdef CONFIG_64BIT
+ load-ld = $(load-y)
+else
+ load-ld = $(subst 0xffffffff,0x,$(load-y))
+endif
+
KBUILD_AFLAGS += $(cflags-y)
KBUILD_CFLAGS += $(cflags-y)
-KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y)
+KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld)
KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)
bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \
+ LINKER_LOAD_ADDRESS=$(load-ld) \
VMLINUX_ENTRY_ADDRESS=$(entry-y) \
PLATFORM="$(platform-y)" \
ITS_INPUTS="$(its-y)"
@@ -359,12 +348,6 @@ ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0)
bootz-y += uzImage.bin
endif
-ifdef CONFIG_LASAT
-rom.bin rom.sw: vmlinux
- $(Q)$(MAKE) $(build)=arch/mips/lasat/image \
- $(bootvars-y) $@
-endif
-
#
# Some machines like the Indy need 32-bit ELF binaries for booting purposes.
# Other need ECOFF, so we build a 32-bit ELF binary for them which we then
@@ -430,7 +413,6 @@ archclean:
$(Q)$(MAKE) $(clean)=arch/mips/boot
$(Q)$(MAKE) $(clean)=arch/mips/boot/compressed
$(Q)$(MAKE) $(clean)=arch/mips/boot/tools
- $(Q)$(MAKE) $(clean)=arch/mips/lasat
archheaders:
$(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all
diff --git a/arch/mips/alchemy/Platform b/arch/mips/alchemy/Platform
index 33c9da3b077b..c8cff50b0eda 100644
--- a/arch/mips/alchemy/Platform
+++ b/arch/mips/alchemy/Platform
@@ -15,19 +15,16 @@ load-$(CONFIG_MIPS_DB1XXX) += 0xffffffff80100000
#
# 4G-Systems MTX-1 "MeshCube" wireless router
#
-platform-$(CONFIG_MIPS_MTX1) += alchemy/
load-$(CONFIG_MIPS_MTX1) += 0xffffffff80100000
#
# MyCable eval board
#
-platform-$(CONFIG_MIPS_XXS1500) += alchemy/
load-$(CONFIG_MIPS_XXS1500) += 0xffffffff80100000
#
# Trapeze ITS GRP board
#
-platform-$(CONFIG_MIPS_GPR) += alchemy/
load-$(CONFIG_MIPS_GPR) += 0xffffffff80100000
# boards can specify their own <gpio.h> in one of their include dirs.
diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c
index 7faaa6d593a7..0f60efe0481e 100644
--- a/arch/mips/alchemy/common/setup.c
+++ b/arch/mips/alchemy/common/setup.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
+#include <linux/mm.h>
#include <asm/dma-coherence.h>
#include <asm/mipsregs.h>
@@ -72,9 +73,9 @@ void __init plat_mem_setup(void)
iomem_resource.end = IOMEM_RESOURCE_END;
}
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_PCI)
+#ifdef CONFIG_MIPS_FIXUP_BIGPHYS_ADDR
/* This routine should be valid for all Au1x based boards */
-phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
+phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
{
unsigned long start = ALCHEMY_PCI_MEMWIN_START;
unsigned long end = ALCHEMY_PCI_MEMWIN_END;
@@ -90,5 +91,13 @@ phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
/* default nop */
return phys_addr;
}
-EXPORT_SYMBOL(__fixup_bigphys_addr);
-#endif
+
+int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long vaddr,
+ unsigned long pfn, unsigned long size, pgprot_t prot)
+{
+ phys_addr_t phys_addr = fixup_bigphys_addr(pfn << PAGE_SHIFT, size);
+
+ return remap_pfn_range(vma, vaddr, phys_addr >> PAGE_SHIFT, size, prot);
+}
+EXPORT_SYMBOL(io_remap_pfn_range);
+#endif /* CONFIG_MIPS_FIXUP_BIGPHYS_ADDR */
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 3e0c75c0ece0..752b93d91ac9 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -225,7 +225,7 @@ static void __init pb1550_nand_setup(void)
case 0: case 2: case 8: case 0xC: case 0xD:
/* x16 NAND Flash */
pb1550_nand_pd.devwidth = 1;
- /* fallthrough */
+ fallthrough;
case 1: case 3: case 9: case 0xE: case 0xF:
/* x8 NAND, already set up */
platform_device_register(&pb1550_nand_dev);
diff --git a/arch/mips/ar7/Platform b/arch/mips/ar7/Platform
index 21f9102d533c..a9257cc01c3c 100644
--- a/arch/mips/ar7/Platform
+++ b/arch/mips/ar7/Platform
@@ -1,6 +1,5 @@
#
# Texas Instruments AR7
#
-platform-$(CONFIG_AR7) += ar7/
cflags-$(CONFIG_AR7) += -I$(srctree)/arch/mips/include/asm/mach-ar7
load-$(CONFIG_AR7) += 0xffffffff94100000
diff --git a/arch/mips/ar7/setup.c b/arch/mips/ar7/setup.c
index b3ffe7c898eb..352d5dbc777c 100644
--- a/arch/mips/ar7/setup.c
+++ b/arch/mips/ar7/setup.c
@@ -57,7 +57,7 @@ const char *get_system_type(void)
case TITAN_CHIP_1060:
return "TI AR7 (TNETV1060)";
}
- /* fall through */
+ fallthrough;
default:
return "TI AR7 (unknown)";
}
diff --git a/arch/mips/ath25/Platform b/arch/mips/ath25/Platform
index ef3f81fa080b..aef098b6f405 100644
--- a/arch/mips/ath25/Platform
+++ b/arch/mips/ath25/Platform
@@ -1,6 +1,5 @@
#
# Atheros AR531X/AR231X WiSoC
#
-platform-$(CONFIG_ATH25) += ath25/
cflags-$(CONFIG_ATH25) += -I$(srctree)/arch/mips/include/asm/mach-ath25
load-$(CONFIG_ATH25) += 0xffffffff80041000
diff --git a/arch/mips/ath79/Platform b/arch/mips/ath79/Platform
index 2bd663647d27..57744472ed2e 100644
--- a/arch/mips/ath79/Platform
+++ b/arch/mips/ath79/Platform
@@ -2,6 +2,5 @@
# Atheros AR71xx/AR724x/AR913x
#
-platform-$(CONFIG_ATH79) += ath79/
cflags-$(CONFIG_ATH79) += -I$(srctree)/arch/mips/include/asm/mach-ath79
load-$(CONFIG_ATH79) = 0xffffffff80060000
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index acb4fd647a30..4b7c066ac88e 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -153,8 +153,7 @@ static void __init ath79_detect_sys_type(void)
case REV_ID_MAJOR_QCA9533_V2:
ver = 2;
ath79_soc_rev = 2;
- /* fall through */
-
+ fallthrough;
case REV_ID_MAJOR_QCA9533:
ath79_soc = ATH79_SOC_QCA9533;
chip = "9533";
diff --git a/arch/mips/bcm47xx/Platform b/arch/mips/bcm47xx/Platform
index 70783b75fd9d..833b204fe5da 100644
--- a/arch/mips/bcm47xx/Platform
+++ b/arch/mips/bcm47xx/Platform
@@ -1,7 +1,6 @@
#
# Broadcom BCM47XX boards
#
-platform-$(CONFIG_BCM47XX) += bcm47xx/
cflags-$(CONFIG_BCM47XX) += \
-I$(srctree)/arch/mips/include/asm/mach-bcm47xx
load-$(CONFIG_BCM47XX) := 0xffffffff80001000
diff --git a/arch/mips/bcm63xx/Platform b/arch/mips/bcm63xx/Platform
index 5f86b2fff6de..882dc40f49a2 100644
--- a/arch/mips/bcm63xx/Platform
+++ b/arch/mips/bcm63xx/Platform
@@ -1,7 +1,6 @@
#
# Broadcom BCM63XX boards
#
-platform-$(CONFIG_BCM63XX) += bcm63xx/
cflags-$(CONFIG_BCM63XX) += \
-I$(srctree)/arch/mips/include/asm/mach-bcm63xx/
load-$(CONFIG_BCM63XX) := 0xffffffff80010000
diff --git a/arch/mips/bcm63xx/cpu.c b/arch/mips/bcm63xx/cpu.c
index f61c16f57a97..8e3e199dd35d 100644
--- a/arch/mips/bcm63xx/cpu.c
+++ b/arch/mips/bcm63xx/cpu.c
@@ -304,7 +304,7 @@ void __init bcm63xx_cpu_init(void)
case CPU_BMIPS3300:
if ((read_c0_prid() & PRID_IMP_MASK) != PRID_IMP_BMIPS3300_ALT)
__cpu_name[cpu] = "Broadcom BCM6338";
- /* fall-through */
+ fallthrough;
case CPU_BMIPS32:
chipid_reg = BCM_6345_PERF_BASE;
break;
diff --git a/arch/mips/bcm63xx/dev-flash.c b/arch/mips/bcm63xx/dev-flash.c
index a1093934c616..f9cc015d3dc9 100644
--- a/arch/mips/bcm63xx/dev-flash.c
+++ b/arch/mips/bcm63xx/dev-flash.c
@@ -94,7 +94,7 @@ static int __init bcm63xx_detect_flash_type(void)
case STRAPBUS_6368_BOOT_SEL_PARALLEL:
return BCM63XX_FLASH_TYPE_PARALLEL;
}
- /* fall through */
+ fallthrough;
default:
return -EINVAL;
}
diff --git a/arch/mips/bmips/Platform b/arch/mips/bmips/Platform
index 5f127fd7f4b5..1434ea31ce85 100644
--- a/arch/mips/bmips/Platform
+++ b/arch/mips/bmips/Platform
@@ -1,7 +1,6 @@
#
# Broadcom Generic BMIPS kernel
#
-platform-$(CONFIG_BMIPS_GENERIC) += bmips/
cflags-$(CONFIG_BMIPS_GENERIC) += \
-I$(srctree)/arch/mips/include/asm/mach-bmips/
load-$(CONFIG_BMIPS_GENERIC) := 0xffffffff80010000
diff --git a/arch/mips/boot/compressed/Makefile b/arch/mips/boot/compressed/Makefile
index 0df0ee8a298d..6e56caef69f0 100644
--- a/arch/mips/boot/compressed/Makefile
+++ b/arch/mips/boot/compressed/Makefile
@@ -90,7 +90,7 @@ ifneq ($(zload-y),)
VMLINUZ_LOAD_ADDRESS := $(zload-y)
else
VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
- $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
+ $(obj)/vmlinux.bin $(LINKER_LOAD_ADDRESS))
endif
UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index d429a69bfe30..19027129add8 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -1,17 +1,19 @@
# SPDX-License-Identifier: GPL-2.0
-subdir-y += brcm
-subdir-y += cavium-octeon
-subdir-y += img
-subdir-y += ingenic
-subdir-y += lantiq
-subdir-y += loongson
-subdir-y += mscc
-subdir-y += mti
-subdir-y += netlogic
-subdir-y += ni
-subdir-y += pic32
-subdir-y += qca
-subdir-y += ralink
-subdir-y += xilfpga
+subdir-$(CONFIG_BMIPS_GENERIC) += brcm
+subdir-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon
+subdir-$(CONFIG_MACH_PISTACHIO) += img
+subdir-$(CONFIG_FIT_IMAGE_FDT_BOSTON) += img
+subdir-$(CONFIG_MACH_INGENIC) += ingenic
+subdir-$(CONFIG_LANTIQ) += lantiq
+subdir-$(CONFIG_MACH_LOONGSON64) += loongson
+subdir-$(CONFIG_MSCC_OCELOT) += mscc
+subdir-$(CONFIG_MIPS_MALTA) += mti
+subdir-$(CONFIG_LEGACY_BOARD_SEAD3) += mti
+subdir-$(CONFIG_NLM_XLP_BOARD) += netlogic
+subdir-$(CONFIG_FIT_IMAGE_FDT_NI169445) += ni
+subdir-$(CONFIG_MACH_PIC32) += pic32
+subdir-$(CONFIG_ATH79) += qca
+subdir-$(CONFIG_RALINK) += ralink
+subdir-$(CONFIG_FIT_IMAGE_FDT_XILFPGA) += xilfpga
obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))
diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index db0ca250bd1a..75f5bfbf2c37 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -386,6 +386,9 @@
interrupt-parent = <&gpe>;
interrupts = <19 4>;
+
+ nvmem-cells = <&eth0_addr>;
+ nvmem-cell-names = "mac-address";
};
};
diff --git a/arch/mips/boot/dts/ingenic/gcw0.dts b/arch/mips/boot/dts/ingenic/gcw0.dts
index f58d239c2058..8d22828787d8 100644
--- a/arch/mips/boot/dts/ingenic/gcw0.dts
+++ b/arch/mips/boot/dts/ingenic/gcw0.dts
@@ -4,6 +4,10 @@
#include "jz4770.dtsi"
#include <dt-bindings/clock/ingenic,tcu.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/iio/adc/ingenic,adc.h>
+#include <dt-bindings/input/input.h>
+
/ {
compatible = "gcw,zero", "ingenic,jz4770";
model = "GCW Zero";
@@ -15,20 +19,370 @@
serial3 = &uart3;
};
+ memory: memory {
+ device_type = "memory";
+ reg = <0x0 0x10000000>,
+ <0x30000000 0x10000000>;
+ };
+
chosen {
stdout-path = "serial2:57600n8";
};
- board {
- compatible = "simple-bus";
+ vcc: regulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc";
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ mmc1_power: regulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "mmc1_vcc";
+ gpio = <&gpe 9 0>;
+
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc>;
+ };
+
+ headphones_amp: analog-amplifier@0 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpf 3 GPIO_ACTIVE_LOW>;
+ enable-delay-ms = <50>;
+
+ VCC-supply = <&ldo5>;
+ sound-name-prefix = "Headphones Amp";
+ };
+
+ speaker_amp: analog-amplifier@1 {
+ compatible = "simple-audio-amplifier";
+ enable-gpios = <&gpf 20 GPIO_ACTIVE_HIGH>;
+
+ VCC-supply = <&ldo5>;
+ sound-name-prefix = "Speaker Amp";
+ };
+
+ sound {
+ compatible = "simple-audio-card";
+
+ simple-audio-card,name = "gcw0-audio";
+ simple-audio-card,format = "i2s";
+
+ simple-audio-card,widgets =
+ "Speaker", "Speaker",
+ "Headphone", "Headphones",
+ "Line", "FM Radio",
+ "Microphone", "Built-in Mic";
+ simple-audio-card,routing =
+ "Headphones Amp INL", "LHPOUT",
+ "Headphones Amp INR", "RHPOUT",
+ "Headphones", "Headphones Amp OUTL",
+ "Headphones", "Headphones Amp OUTR",
+ "Speaker Amp INL", "LOUT",
+ "Speaker Amp INR", "ROUT",
+ "Speaker", "Speaker Amp OUTL",
+ "Speaker", "Speaker Amp OUTR",
+ "LLINEIN", "FM Radio",
+ "RLINEIN", "FM Radio",
+ "Built-in Mic", "MICBIAS",
+ "MIC1P", "Built-in Mic",
+ "MIC1N", "Built-in Mic";
+ simple-audio-card,pin-switches = "Speaker", "Headphones";
+
+ simple-audio-card,hp-det-gpio = <&gpf 21 GPIO_ACTIVE_HIGH>;
+ simple-audio-card,aux-devs = <&speaker_amp>, <&headphones_amp>;
+
+ simple-audio-card,bitclock-master = <&dai_codec>;
+ simple-audio-card,frame-master = <&dai_codec>;
+
+ dai_cpu: simple-audio-card,cpu {
+ sound-dai = <&aic>;
+ };
+
+ dai_codec: simple-audio-card,codec {
+ sound-dai = <&codec>;
+ };
+ };
+
+ rumble {
+ compatible = "pwm-vibrator";
+ pwms = <&pwm 4 2000000 0>;
+ pwm-names = "enable";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_pwm4>;
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&pwm 1 40000 0>;
+ power-supply = <&vcc>;
+
+ brightness-levels = <0 16 32 48 64 80 96 112 128
+ 144 160 176 192 208 224 240 255>;
+ default-brightness-level = <12>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_pwm1>;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ autorepeat;
+
+ button@0 {
+ label = "D-pad up";
+ linux,code = <KEY_UP>;
+ linux,can-disable;
+ gpios = <&gpe 21 GPIO_ACTIVE_LOW>;
+ };
+
+ button@1 {
+ label = "D-pad down";
+ linux,code = <KEY_DOWN>;
+ linux,can-disable;
+ gpios = <&gpe 25 GPIO_ACTIVE_LOW>;
+ };
+
+ button@2 {
+ label = "D-pad left";
+ linux,code = <KEY_LEFT>;
+ linux,can-disable;
+ gpios = <&gpe 23 GPIO_ACTIVE_LOW>;
+ };
+
+ button@3 {
+ label = "D-pad right";
+ linux,code = <KEY_RIGHT>;
+ linux,can-disable;
+ gpios = <&gpe 24 GPIO_ACTIVE_LOW>;
+ };
+
+ button@4 {
+ label = "Button A";
+ linux,code = <KEY_LEFTCTRL>;
+ linux,can-disable;
+ gpios = <&gpe 29 GPIO_ACTIVE_LOW>;
+ };
+
+ button@5 {
+ label = "Button B";
+ linux,code = <KEY_LEFTALT>;
+ linux,can-disable;
+ gpios = <&gpe 20 GPIO_ACTIVE_LOW>;
+ };
+
+ button@6 {
+ label = "Button Y";
+ linux,code = <KEY_SPACE>;
+ linux,can-disable;
+ gpios = <&gpe 27 GPIO_ACTIVE_LOW>;
+ };
+
+ button@7 {
+ label = "Button X";
+ linux,code = <KEY_LEFTSHIFT>;
+ linux,can-disable;
+ gpios = <&gpe 28 GPIO_ACTIVE_LOW>;
+ };
+
+ button@8 {
+ label = "Left shoulder button";
+ linux,code = <KEY_TAB>;
+ linux,can-disable;
+ gpios = <&gpb 20 GPIO_ACTIVE_LOW>;
+ };
+
+ button@9 {
+ label = "Right shoulder button";
+ linux,code = <KEY_BACKSPACE>;
+ linux,can-disable;
+ gpios = <&gpe 26 GPIO_ACTIVE_LOW>;
+ };
+
+ button@10 {
+ label = "Start button";
+ linux,code = <KEY_ENTER>;
+ linux,can-disable;
+ gpios = <&gpb 21 GPIO_ACTIVE_LOW>;
+ };
+
+ button@11 {
+ label = "Select button";
+ linux,code = <KEY_ESC>;
+ linux,can-disable;
+ /*
+ * This is the only button that is active high,
+ * since it doubles as BOOT_SEL1.
+ */
+ gpios = <&gpd 18 GPIO_ACTIVE_HIGH>;
+ };
+
+ button@12 {
+ label = "Power slider";
+ linux,code = <KEY_POWER>;
+ linux,can-disable;
+ gpios = <&gpa 30 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ button@13 {
+ label = "Power hold";
+ linux,code = <KEY_PAUSE>;
+ linux,can-disable;
+ gpios = <&gpf 11 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ i2c3: i2c-controller@3 {
+ compatible = "i2c-gpio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sda-gpios = <&gpd 5 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&gpd 4 GPIO_ACTIVE_HIGH>;
+ i2c-gpio,delay-us = <2>; /* 250 kHz */
+
+ act8600: pmic@5a {
+ compatible = "active-semi,act8600";
+ reg = <0x5a>;
+
+ regulators {
+ /* USB OTG */
+ otg_vbus: SUDCDC_REG4 {
+ /*
+ * 5.3V instead of 5.0V to compensate
+ * for the voltage drop of a diode
+ * between the regulator and the
+ * connector.
+ */
+ regulator-min-microvolt = <5300000>;
+ regulator-max-microvolt = <5300000>;
+ inl-supply = <&vcc>;
+ };
+
+ /*
+ * When this is off, there is no sound, but also
+ * no USB networking.
+ */
+ ldo5: LDO5 {
+ regulator-min-microvolt = <2500000>;
+ regulator-max-microvolt = <2500000>;
+ inl-supply = <&vcc>;
+ };
+
+ /* LCD panel and FM radio */
+ ldo6: LDO6 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ inl-supply = <&vcc>;
+ };
+
+ /* ??? */
+ LDO7 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ /*regulator-always-on;*/
+ inl-supply = <&vcc>;
+ };
+
+ /*
+ * The colors on the LCD are wrong when this is
+ * off. Which is strange, since the LCD panel
+ * data sheet only mentions a 3.3V input.
+ */
+ LDO8 {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ inl-supply = <&vcc>;
+ };
+
+ /* RTC fixed 3.3V */
+ LDO_REG9 {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ inl-supply = <&vcc>;
+ };
+
+ /* Unused fixed 1.2V */
+ LDO_REG10 {
+ inl-supply = <&vcc>;
+ };
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led {
+ gpios = <&gpb 30 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ };
+
+ spi {
+ compatible = "spi-gpio";
#address-cells = <1>;
- #size-cells = <1>;
- ranges;
+ #size-cells = <0>;
+
+ sck-gpios = <&gpe 15 GPIO_ACTIVE_HIGH>;
+ mosi-gpios = <&gpe 17 GPIO_ACTIVE_HIGH>;
+ cs-gpios = <&gpe 16 GPIO_ACTIVE_HIGH>;
+ num-chipselects = <1>;
+
+ nt39016@0 {
+ compatible = "kingdisplay,kd035g6-54nt";
+ reg = <0>;
+
+ spi-max-frequency = <3125000>;
+ spi-3wire;
+ spi-cs-high;
- otg_phy: otg-phy {
- compatible = "usb-nop-xceiv";
- clocks = <&cgu JZ4770_CLK_OTG_PHY>;
- clock-names = "main_clk";
+ reset-gpios = <&gpe 2 GPIO_ACTIVE_LOW>;
+
+ backlight = <&backlight>;
+ power-supply = <&ldo6>;
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&panel_output>;
+ };
+ };
+ };
+ };
+
+ connector {
+ compatible = "gpio-usb-b-connector", "usb-b-connector";
+ label = "mini-USB";
+ type = "mini";
+
+ /*
+ * USB OTG is not yet working reliably, the ID detection
+ * mechanism tends to fry easily for unknown reasons.
+ * Until this is fixed, disable OTG by not providing the
+ * ID GPIO to the driver.
+ */
+ //id-gpios = <&gpf 18 GPIO_ACTIVE_LOW>;
+
+ vbus-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
+ vbus-supply = <&otg_vbus>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_otg>;
+
+ port {
+ usb_ep: endpoint {
+ remote-endpoint = <&usb_otg_ep>;
+ };
};
};
};
@@ -37,24 +391,86 @@
clock-frequency = <12000000>;
};
+&pinctrl {
+ pins_lcd: lcd {
+ function = "lcd";
+ groups = "lcd-24bit";
+ };
+
+ pins_uart2: uart2 {
+ function = "uart2";
+ groups = "uart2-data";
+ };
+
+ pins_mmc0: mmc0 {
+ function = "mmc0";
+ groups = "mmc0-1bit-a", "mmc0-4bit-a";
+ };
+
+ pins_mmc1: mmc1 {
+ function = "mmc1";
+ groups = "mmc1-1bit-d", "mmc1-4bit-d";
+ };
+
+ pins_otg: otg {
+ otg-vbus-pin {
+ function = "otg";
+ groups = "otg-vbus";
+ };
+
+ vbus-pin {
+ pins = "PB5";
+ bias-disable;
+ };
+ };
+
+ pins_pwm1: pwm1 {
+ function = "pwm1";
+ groups = "pwm1";
+ };
+
+ pins_pwm4: pwm4 {
+ function = "pwm4";
+ groups = "pwm4";
+ };
+};
+
&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_uart2>;
+
status = "okay";
};
&cgu {
- /* Put high-speed peripherals under PLL1, such that we can change the
+ /*
+ * Put high-speed peripherals under PLL1, such that we can change the
* PLL0 frequency on demand without having to suspend peripherals.
* We use a rate of 432 MHz, which is the least common multiple of
* 27 MHz (required by TV encoder) and 48 MHz (required by USB host).
+ * Put the GPU under PLL0 since we want a higher frequency.
+ * Use the 32 kHz oscillator as the parent of the RTC for a higher
+ * precision.
*/
assigned-clocks =
<&cgu JZ4770_CLK_PLL1>,
- <&cgu JZ4770_CLK_UHC>;
+ <&cgu JZ4770_CLK_GPU>,
+ <&cgu JZ4770_CLK_RTC>,
+ <&cgu JZ4770_CLK_UHC>,
+ <&cgu JZ4770_CLK_LPCLK_MUX>,
+ <&cgu JZ4770_CLK_MMC0_MUX>,
+ <&cgu JZ4770_CLK_MMC1_MUX>;
assigned-clock-parents =
<0>,
+ <&cgu JZ4770_CLK_PLL0>,
+ <&cgu JZ4770_CLK_OSC32K>,
+ <&cgu JZ4770_CLK_PLL1>,
+ <&cgu JZ4770_CLK_PLL1>,
+ <&cgu JZ4770_CLK_PLL1>,
<&cgu JZ4770_CLK_PLL1>;
assigned-clock-rates =
- <432000000>;
+ <432000000>,
+ <600000000>;
};
&uhc {
@@ -63,10 +479,69 @@
};
&tcu {
- /* 750 kHz for the system timer and clocksource */
- assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>;
- assigned-clock-rates = <750000>, <750000>;
+ /*
+ * 750 kHz for the system timer and clocksource, 12 MHz for the OST,
+ * and use RTC as the parent for the watchdog clock
+ */
+ assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER2>,
+ <&tcu TCU_CLK_OST>, <&tcu TCU_CLK_WDT>;
+ assigned-clock-parents = <0>, <0>, <0>, <&cgu JZ4770_CLK_RTC>;
+ assigned-clock-rates = <750000>, <750000>, <12000000>;
- /* PWM1 is in use, so reserve channel #2 for the clocksource */
+ /* PWM1 is in use, so use channel #2 for the clocksource */
ingenic,pwm-channels-mask = <0xfa>;
};
+
+&usb_otg {
+ port {
+ usb_otg_ep: endpoint {
+ remote-endpoint = <&usb_ep>;
+ };
+ };
+};
+
+&otg_phy {
+ vcc-supply = <&ldo5>;
+};
+
+&rtc {
+ clocks = <&cgu JZ4770_CLK_RTC>;
+ clock-names = "rtc";
+
+ system-power-controller;
+};
+
+&mmc0 {
+ status = "okay";
+
+ bus-width = <4>;
+ max-frequency = <48000000>;
+ vmmc-supply = <&vcc>;
+ non-removable;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_mmc0>;
+};
+
+&mmc1 {
+ status = "okay";
+
+ bus-width = <4>;
+ max-frequency = <48000000>;
+ cd-gpios = <&gpb 2 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&mmc1_power>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_mmc1>;
+};
+
+&lcd {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pins_lcd>;
+
+ port {
+ panel_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/ingenic/gcw0_proto.dts b/arch/mips/boot/dts/ingenic/gcw0_proto.dts
new file mode 100644
index 000000000000..02df22f8ae0f
--- /dev/null
+++ b/arch/mips/boot/dts/ingenic/gcw0_proto.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/dts-v1/;
+
+#include "gcw0.dts"
+
+/ {
+ model = "GCW Zero Prototype";
+};
+
+&memory {
+ /* Prototype has only 256 MiB of RAM */
+ reg = <0x0 0x10000000>;
+};
diff --git a/arch/mips/boot/dts/ingenic/jz4740.dtsi b/arch/mips/boot/dts/ingenic/jz4740.dtsi
index a3301bab9231..1520585c235c 100644
--- a/arch/mips/boot/dts/ingenic/jz4740.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4740.dtsi
@@ -55,10 +55,10 @@
#clock-cells = <1>;
- clocks = <&cgu JZ4740_CLK_RTC
- &cgu JZ4740_CLK_EXT
- &cgu JZ4740_CLK_PCLK
- &cgu JZ4740_CLK_TCU>;
+ clocks = <&cgu JZ4740_CLK_RTC>,
+ <&cgu JZ4740_CLK_EXT>,
+ <&cgu JZ4740_CLK_PCLK>,
+ <&cgu JZ4740_CLK_TCU>;
clock-names = "rtc", "ext", "pclk", "tcu";
interrupt-controller;
@@ -74,6 +74,20 @@
clocks = <&tcu TCU_CLK_WDT>;
clock-names = "wdt";
};
+
+ pwm: pwm@40 {
+ compatible = "ingenic,jz4740-pwm";
+ reg = <0x40 0x80>;
+
+ #pwm-cells = <3>;
+
+ clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
+ <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_TIMER3>,
+ <&tcu TCU_CLK_TIMER4>, <&tcu TCU_CLK_TIMER5>,
+ <&tcu TCU_CLK_TIMER6>, <&tcu TCU_CLK_TIMER7>;
+ clock-names = "timer0", "timer1", "timer2", "timer3",
+ "timer4", "timer5", "timer6", "timer7";
+ };
};
rtc_dev: rtc@10003000 {
@@ -241,10 +255,10 @@
reg = <0x13010000 0x54>;
#address-cells = <2>;
#size-cells = <1>;
- ranges = <1 0 0x18000000 0x4000000
- 2 0 0x14000000 0x4000000
- 3 0 0x0c000000 0x4000000
- 4 0 0x08000000 0x4000000>;
+ ranges = <1 0 0x18000000 0x4000000>,
+ <2 0 0x14000000 0x4000000>,
+ <3 0 0x0c000000 0x4000000>,
+ <4 0 0x08000000 0x4000000>;
clocks = <&cgu JZ4740_CLK_MCLK>;
};
@@ -258,8 +272,7 @@
dmac: dma-controller@13020000 {
compatible = "ingenic,jz4740-dma";
- reg = <0x13020000 0xbc
- 0x13020300 0x14>;
+ reg = <0x13020000 0xbc>, <0x13020300 0x14>;
#dma-cells = <2>;
interrupt-parent = <&intc>;
diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi
index 0bfb9edff3d0..fa11ac950499 100644
--- a/arch/mips/boot/dts/ingenic/jz4770.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <dt-bindings/clock/jz4770-cgu.h>
+#include <dt-bindings/clock/ingenic,tcu.h>
/ {
#address-cells = <1>;
@@ -37,13 +38,25 @@
};
cgu: jz4770-cgu@10000000 {
- compatible = "ingenic,jz4770-cgu";
+ compatible = "ingenic,jz4770-cgu", "simple-mfd";
reg = <0x10000000 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x10000000 0x100>;
clocks = <&ext>, <&osc32k>;
clock-names = "ext", "osc32k";
#clock-cells = <1>;
+
+ otg_phy: usb-phy@3c {
+ compatible = "ingenic,jz4770-phy";
+ reg = <0x3c 0x10>;
+
+ clocks = <&cgu JZ4770_CLK_OTG_PHY>;
+
+ #phy-cells = <0>;
+ };
};
tcu: timer@10002000 {
@@ -55,9 +68,9 @@
#clock-cells = <1>;
- clocks = <&cgu JZ4770_CLK_RTC
- &cgu JZ4770_CLK_EXT
- &cgu JZ4770_CLK_PCLK>;
+ clocks = <&cgu JZ4770_CLK_RTC>,
+ <&cgu JZ4770_CLK_EXT>,
+ <&cgu JZ4770_CLK_PCLK>;
clock-names = "rtc", "ext", "pclk";
interrupt-controller;
@@ -65,6 +78,47 @@
interrupt-parent = <&intc>;
interrupts = <27 26 25>;
+
+ watchdog: watchdog@0 {
+ compatible = "ingenic,jz4770-watchdog",
+ "ingenic,jz4740-watchdog";
+ reg = <0x0 0xc>;
+
+ clocks = <&tcu TCU_CLK_WDT>;
+ clock-names = "wdt";
+ };
+
+ pwm: pwm@40 {
+ compatible = "ingenic,jz4770-pwm", "ingenic,jz4740-pwm";
+ reg = <0x40 0x80>;
+
+ #pwm-cells = <3>;
+
+ clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
+ <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_TIMER3>,
+ <&tcu TCU_CLK_TIMER4>, <&tcu TCU_CLK_TIMER5>,
+ <&tcu TCU_CLK_TIMER6>, <&tcu TCU_CLK_TIMER7>;
+ clock-names = "timer0", "timer1", "timer2", "timer3",
+ "timer4", "timer5", "timer6", "timer7";
+ };
+
+ ost: timer@e0 {
+ compatible = "ingenic,jz4770-ost";
+ reg = <0xe0 0x20>;
+
+ clocks = <&tcu TCU_CLK_OST>;
+ clock-names = "ost";
+
+ interrupts = <15>;
+ };
+ };
+
+ rtc: rtc@10003000 {
+ compatible = "ingenic,jz4770-rtc", "ingenic,jz4760-rtc";
+ reg = <0x10003000 0x40>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <32>;
};
pinctrl: pin-controller@10010000 {
@@ -165,6 +219,93 @@
};
};
+ aic: audio-controller@10020000 {
+ compatible = "ingenic,jz4770-i2s";
+ reg = <0x10020000 0x94>;
+
+ #sound-dai-cells = <0>;
+
+ clocks = <&cgu JZ4770_CLK_AIC>, <&cgu JZ4770_CLK_I2S>,
+ <&cgu JZ4770_CLK_EXT>, <&cgu JZ4770_CLK_PLL0>;
+ clock-names = "aic", "i2s", "ext", "pll half";
+
+ interrupt-parent = <&intc>;
+ interrupts = <34>;
+
+ dmas = <&dmac0 25 0xffffffff>, <&dmac0 24 0xffffffff>;
+ dma-names = "rx", "tx";
+ };
+
+ codec: audio-codec@100200a0 {
+ compatible = "ingenic,jz4770-codec";
+ reg = <0x100200a4 0x8>;
+
+ #sound-dai-cells = <0>;
+
+ clocks = <&cgu JZ4770_CLK_AIC>;
+ clock-names = "aic";
+ };
+
+ mmc0: mmc@10021000 {
+ compatible = "ingenic,jz4770-mmc", "ingenic,jz4760-mmc";
+ reg = <0x10021000 0x1000>;
+
+ clocks = <&cgu JZ4770_CLK_MMC0>;
+ clock-names = "mmc";
+
+ interrupt-parent = <&intc>;
+ interrupts = <37>;
+
+ dmas = <&dmac1 27 0xffffffff>, <&dmac1 26 0xffffffff>;
+ dma-names = "rx", "tx";
+
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ cap-sdio-irq;
+
+ status = "disabled";
+ };
+
+ mmc1: mmc@10022000 {
+ compatible = "ingenic,jz4770-mmc", "ingenic,jz4760-mmc";
+ reg = <0x10022000 0x1000>;
+
+ clocks = <&cgu JZ4770_CLK_MMC1>;
+ clock-names = "mmc";
+
+ interrupt-parent = <&intc>;
+ interrupts = <36>;
+
+ dmas = <&dmac1 31 0xffffffff>, <&dmac1 30 0xffffffff>;
+ dma-names = "rx", "tx";
+
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ cap-sdio-irq;
+
+ status = "disabled";
+ };
+
+ mmc2: mmc@10023000 {
+ compatible = "ingenic,jz4770-mmc", "ingenic,jz4760-mmc";
+ reg = <0x10023000 0x1000>;
+
+ clocks = <&cgu JZ4770_CLK_MMC2>;
+ clock-names = "mmc";
+
+ interrupt-parent = <&intc>;
+ interrupts = <35>;
+
+ dmas = <&dmac1 37 0xffffffff>, <&dmac1 36 0xffffffff>;
+ dma-names = "rx", "tx";
+
+ cap-sd-highspeed;
+ cap-mmc-highspeed;
+ cap-sdio-irq;
+
+ status = "disabled";
+ };
+
uart0: serial@10030000 {
compatible = "ingenic,jz4770-uart";
reg = <0x10030000 0x100>;
@@ -217,34 +358,63 @@
status = "disabled";
};
+ adc: adc@10070000 {
+ compatible = "ingenic,jz4770-adc";
+ reg = <0x10070000 0x30>;
+
+ #io-channel-cells = <1>;
+
+ clocks = <&cgu JZ4770_CLK_ADC>;
+ clock-names = "adc";
+
+ interrupt-parent = <&intc>;
+ interrupts = <18>;
+ };
+
+ gpu: gpu@13040000 {
+ compatible = "vivante,gc";
+ reg = <0x13040000 0x10000>;
+
+ clocks = <&cgu JZ4770_CLK_GPU>,
+ <&cgu JZ4770_CLK_GPU>,
+ <&cgu JZ4770_CLK_GPU>;
+ clock-names = "bus", "core", "shader";
+
+ interrupt-parent = <&intc>;
+ interrupts = <6>;
+ };
+
+ lcd: lcd-controller@13050000 {
+ compatible = "ingenic,jz4770-lcd";
+ reg = <0x13050000 0x300>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <31>;
+
+ clocks = <&cgu JZ4770_CLK_LPCLK_MUX>;
+ clock-names = "lcd_pclk";
+ };
+
dmac0: dma-controller@13420000 {
compatible = "ingenic,jz4770-dma";
- reg = <0x13420000 0xC0
- 0x13420300 0x20>;
+ reg = <0x13420000 0xC0>, <0x13420300 0x20>;
- #dma-cells = <1>;
+ #dma-cells = <2>;
clocks = <&cgu JZ4770_CLK_DMA>;
interrupt-parent = <&intc>;
interrupts = <24>;
-
- /* Disable dmac0 until we have something that uses it */
- status = "disabled";
};
dmac1: dma-controller@13420100 {
compatible = "ingenic,jz4770-dma";
- reg = <0x13420100 0xC0
- 0x13420400 0x20>;
+ reg = <0x13420100 0xC0>, <0x13420400 0x20>;
- #dma-cells = <1>;
+ #dma-cells = <2>;
clocks = <&cgu JZ4770_CLK_DMA>;
interrupt-parent = <&intc>;
interrupts = <23>;
-
- /* Disable dmac1 until we have something that uses it */
- status = "disabled";
};
uhc: uhc@13430000 {
@@ -260,4 +430,29 @@
status = "disabled";
};
+
+ usb_otg: usb@13440000 {
+ compatible = "ingenic,jz4770-musb";
+ reg = <0x13440000 0x10000>;
+
+ clocks = <&cgu JZ4770_CLK_OTG>;
+ clock-names = "udc";
+
+ interrupt-parent = <&intc>;
+ interrupts = <21>;
+ interrupt-names = "mc";
+
+ phys = <&otg_phy>;
+
+ usb-role-switch;
+ };
+
+ rom: memory@1fc00000 {
+ compatible = "mtd-rom";
+ probe-type = "map_rom";
+ reg = <0x1fc00000 0x2000>;
+
+ bank-width = <4>;
+ device-width = <1>;
+ };
};
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index bb89653d16a3..b7f409a7cf5d 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -58,9 +58,9 @@
#clock-cells = <1>;
- clocks = <&cgu JZ4780_CLK_RTCLK
- &cgu JZ4780_CLK_EXCLK
- &cgu JZ4780_CLK_PCLK>;
+ clocks = <&cgu JZ4780_CLK_RTCLK>,
+ <&cgu JZ4780_CLK_EXCLK>,
+ <&cgu JZ4780_CLK_PCLK>;
clock-names = "rtc", "ext", "pclk";
interrupt-controller;
@@ -76,6 +76,30 @@
clocks = <&tcu TCU_CLK_WDT>;
clock-names = "wdt";
};
+
+ pwm: pwm@40 {
+ compatible = "ingenic,jz4780-pwm", "ingenic,jz4740-pwm";
+ reg = <0x40 0x80>;
+
+ #pwm-cells = <3>;
+
+ clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
+ <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_TIMER3>,
+ <&tcu TCU_CLK_TIMER4>, <&tcu TCU_CLK_TIMER5>,
+ <&tcu TCU_CLK_TIMER6>, <&tcu TCU_CLK_TIMER7>;
+ clock-names = "timer0", "timer1", "timer2", "timer3",
+ "timer4", "timer5", "timer6", "timer7";
+ };
+
+ ost: timer@e0 {
+ compatible = "ingenic,jz4780-ost", "ingenic,jz4770-ost";
+ reg = <0xe0 0x20>;
+
+ clocks = <&tcu TCU_CLK_OST>;
+ clock-names = "ost";
+
+ interrupts = <15>;
+ };
};
rtc_dev: rtc@10003000 {
@@ -196,8 +220,7 @@
gpio-miso = <&gpe 14 0>;
gpio-sck = <&gpe 15 0>;
gpio-mosi = <&gpe 17 0>;
- cs-gpios = <&gpe 16 0
- &gpe 18 0>;
+ cs-gpios = <&gpe 16 0>, <&gpe 18 0>;
spidev@0 {
compatible = "spidev";
@@ -358,26 +381,40 @@
};
nemc: nemc@13410000 {
- compatible = "ingenic,jz4780-nemc";
+ compatible = "ingenic,jz4780-nemc", "simple-mfd";
reg = <0x13410000 0x10000>;
#address-cells = <2>;
#size-cells = <1>;
- ranges = <1 0 0x1b000000 0x1000000
- 2 0 0x1a000000 0x1000000
- 3 0 0x19000000 0x1000000
- 4 0 0x18000000 0x1000000
- 5 0 0x17000000 0x1000000
- 6 0 0x16000000 0x1000000>;
+ ranges = <0 0 0x13410000 0x10000>,
+ <1 0 0x1b000000 0x1000000>,
+ <2 0 0x1a000000 0x1000000>,
+ <3 0 0x19000000 0x1000000>,
+ <4 0 0x18000000 0x1000000>,
+ <5 0 0x17000000 0x1000000>,
+ <6 0 0x16000000 0x1000000>;
clocks = <&cgu JZ4780_CLK_NEMC>;
status = "disabled";
+
+ efuse: efuse@d0 {
+ reg = <0 0xd0 0x30>;
+ compatible = "ingenic,jz4780-efuse";
+
+ clocks = <&cgu JZ4780_CLK_AHB2>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eth0_addr: eth-mac-addr@0x22 {
+ reg = <0x22 0x6>;
+ };
+ };
};
dma: dma@13420000 {
compatible = "ingenic,jz4780-dma";
- reg = <0x13420000 0x400
- 0x13421000 0x40>;
+ reg = <0x13420000 0x400>, <0x13421000 0x40>;
#dma-cells = <2>;
interrupt-parent = <&intc>;
diff --git a/arch/mips/boot/dts/ingenic/x1000.dtsi b/arch/mips/boot/dts/ingenic/x1000.dtsi
index 147f7d5c243a..59a63a0985a8 100644
--- a/arch/mips/boot/dts/ingenic/x1000.dtsi
+++ b/arch/mips/boot/dts/ingenic/x1000.dtsi
@@ -58,9 +58,9 @@
#clock-cells = <1>;
- clocks = <&cgu X1000_CLK_RTCLK
- &cgu X1000_CLK_EXCLK
- &cgu X1000_CLK_PCLK>;
+ clocks = <&cgu X1000_CLK_RTCLK>,
+ <&cgu X1000_CLK_EXCLK>,
+ <&cgu X1000_CLK_PCLK>;
clock-names = "rtc", "ext", "pclk";
interrupt-controller;
@@ -239,8 +239,7 @@
pdma: dma-controller@13420000 {
compatible = "ingenic,x1000-dma";
- reg = <0x13420000 0x400
- 0x13421000 0x40>;
+ reg = <0x13420000 0x400>, <0x13421000 0x40>;
#dma-cells = <2>;
interrupt-parent = <&intc>;
diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
index 45c54d555fa4..d0d5d60a8697 100644
--- a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
@@ -9,6 +9,18 @@
0 0x40000000 0 0x40000000 0 0x40000000
0xfd 0xfe000000 0xfd 0xfe000000 0 0x2000000 /* PCI Config Space */>;
+ pci@1a000000 {
+ compatible = "loongson,rs780e-pci";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ reg = <0 0x1a000000 0 0x02000000>;
+
+ ranges = <0x01000000 0 0x00004000 0 0x18004000 0 0x00004000>,
+ <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+ };
+
isa {
compatible = "isa";
#address-cells = <2>;
@@ -21,6 +33,11 @@
interrupts = <8>;
interrupt-parent = <&htpic>;
};
+
+ acpi@800 {
+ compatible = "loongson,rs780e-acpi";
+ reg = <1 0x800 0x100>;
+ };
};
};
};
diff --git a/arch/mips/boot/dts/mscc/ocelot.dtsi b/arch/mips/boot/dts/mscc/ocelot.dtsi
index 797d336db54d..f94e8a02ed06 100644
--- a/arch/mips/boot/dts/mscc/ocelot.dtsi
+++ b/arch/mips/boot/dts/mscc/ocelot.dtsi
@@ -214,7 +214,7 @@
miim1: miim1 {
pins = "GPIO_14", "GPIO_15";
- function = "miim1";
+ function = "miim";
};
};
diff --git a/arch/mips/boot/dts/qca/ar9331.dtsi b/arch/mips/boot/dts/qca/ar9331.dtsi
index 8f5aed760abb..83b3c0ce135a 100644
--- a/arch/mips/boot/dts/qca/ar9331.dtsi
+++ b/arch/mips/boot/dts/qca/ar9331.dtsi
@@ -59,7 +59,7 @@
#qca,ddr-wb-channel-cells = <1>;
};
- uart: uart@18020000 {
+ uart: serial@18020000 {
compatible = "qca,ar9330-uart";
reg = <0x18020000 0x14>;
diff --git a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
index 0f2b20044834..7695d326df11 100644
--- a/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
+++ b/arch/mips/boot/dts/qca/ar9331_dpt_module.dts
@@ -3,6 +3,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
#include "ar9331.dtsi"
@@ -22,8 +23,9 @@
leds {
compatible = "gpio-leds";
- system {
- label = "dpt-module:green:system";
+ led-0 {
+ function = LED_FUNCTION_STATUS;
+ color = <LED_COLOR_ID_GREEN>;
gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
default-state = "off";
};
diff --git a/arch/mips/cavium-octeon/Platform b/arch/mips/cavium-octeon/Platform
index 45be853700e6..4adef38dea9d 100644
--- a/arch/mips/cavium-octeon/Platform
+++ b/arch/mips/cavium-octeon/Platform
@@ -1,7 +1,6 @@
#
# Cavium Octeon
#
-platform-$(CONFIG_CAVIUM_OCTEON_SOC) += cavium-octeon/
cflags-$(CONFIG_CAVIUM_OCTEON_SOC) += \
-I$(srctree)/arch/mips/include/asm/mach-cavium-octeon
load-$(CONFIG_CAVIUM_OCTEON_SOC) += 0xffffffff81100000
diff --git a/arch/mips/cavium-octeon/crypto/octeon-md5.c b/arch/mips/cavium-octeon/crypto/octeon-md5.c
index d1ed066e1a17..8c8ea139653e 100644
--- a/arch/mips/cavium-octeon/crypto/octeon-md5.c
+++ b/arch/mips/cavium-octeon/crypto/octeon-md5.c
@@ -25,7 +25,6 @@
#include <linux/module.h>
#include <linux/string.h>
#include <asm/byteorder.h>
-#include <linux/cryptohash.h>
#include <asm/octeon/octeon.h>
#include <crypto/internal/hash.h>
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper-npi.c b/arch/mips/cavium-octeon/executive/cvmx-helper-npi.c
index cc94cfa545b4..cb210d2ef0c4 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper-npi.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper-npi.c
@@ -59,18 +59,6 @@ int __cvmx_helper_npi_probe(int interface)
&& !OCTEON_IS_MODEL(OCTEON_CN52XX_PASS1_X))
/* The packet engines didn't exist before pass 2 */
return 4;
-#if 0
- /*
- * Technically CN30XX, CN31XX, and CN50XX contain packet
- * engines, but nobody ever uses them. Since this is the case,
- * we disable them here.
- */
- else if (OCTEON_IS_MODEL(OCTEON_CN31XX)
- || OCTEON_IS_MODEL(OCTEON_CN50XX))
- return 2;
- else if (OCTEON_IS_MODEL(OCTEON_CN30XX))
- return 1;
-#endif
#endif
return 0;
}
diff --git a/arch/mips/cavium-octeon/executive/cvmx-pko.c b/arch/mips/cavium-octeon/executive/cvmx-pko.c
index b077597c668a..b0efc35e95c4 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-pko.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-pko.c
@@ -489,7 +489,7 @@ cvmx_pko_status_t cvmx_pko_config_port(uint64_t port, uint64_t base_queue,
config.s.qos_mask = 0xff;
break;
}
- /* fall through - to the error case, when Pass 1 */
+ fallthrough; /* to the error case, when Pass 1 */
default:
cvmx_dprintf("ERROR: cvmx_pko_config_port: Invalid "
"priority %llu\n",
diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 51685f893eab..d56e9b9d2e43 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -141,7 +141,7 @@ static void octeon2_usb_clocks_start(struct device *dev)
default:
pr_err("Invalid UCTL clock rate of %u, using 12000000 instead\n",
clock_rate);
- /* Fall through */
+ fallthrough;
case 12000000:
clk_rst_ctl.s.p_refclk_div = 0;
break;
@@ -1116,7 +1116,7 @@ end_led:
new_f[0] = cpu_to_be32(48000000);
fdt_setprop_inplace(initial_boot_params, usbn,
"refclk-frequency", new_f, sizeof(new_f));
- /* Fall through ...*/
+ fallthrough;
case USB_CLOCK_TYPE_REF_12:
/* Missing "refclk-type" defaults to external. */
fdt_nop_property(initial_boot_params, usbn, "refclk-type");
diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index cc88a08bc1f7..1fd85c559700 100644
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -398,7 +398,7 @@ static int dwc3_octeon_clocks_start(struct device *dev, u64 base)
default:
dev_err(dev, "Invalid ref_clk %u, using 100000000 instead\n",
clock_rate);
- /* fall through */
+ fallthrough;
case 100000000:
mpll_mul = 0x19;
if (ref_clk_sel < 2)
diff --git a/arch/mips/cobalt/Platform b/arch/mips/cobalt/Platform
index 34123efd6dfe..4254895ad6f4 100644
--- a/arch/mips/cobalt/Platform
+++ b/arch/mips/cobalt/Platform
@@ -1,6 +1,5 @@
#
# Cobalt Server
#
-platform-$(CONFIG_MIPS_COBALT) += cobalt/
cflags-$(CONFIG_MIPS_COBALT) += -I$(srctree)/arch/mips/include/asm/mach-cobalt
load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000
diff --git a/arch/mips/configs/ath79_defconfig b/arch/mips/configs/ath79_defconfig
index 3d14d67dc746..96622a2ad333 100644
--- a/arch/mips/configs/ath79_defconfig
+++ b/arch/mips/configs/ath79_defconfig
@@ -46,7 +46,6 @@ CONFIG_MTD_JEDECPROBE=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_M25P80=y
CONFIG_MTD_SPI_NOR=y
CONFIG_NETDEVICES=y
CONFIG_ATH9K=m
diff --git a/arch/mips/configs/ci20_defconfig b/arch/mips/configs/ci20_defconfig
index 0db0088bbc1c..e511fe0243a5 100644
--- a/arch/mips/configs/ci20_defconfig
+++ b/arch/mips/configs/ci20_defconfig
@@ -1,5 +1,4 @@
# CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_MODULES=y
CONFIG_KERNEL_XZ=y
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
@@ -29,6 +28,7 @@ CONFIG_HIGHMEM=y
CONFIG_HZ_100=y
# CONFIG_SECCOMP is not set
# CONFIG_SUSPEND is not set
+CONFIG_MODULES=y
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
# CONFIG_COMPACTION is not set
CONFIG_CMA=y
@@ -38,17 +38,12 @@ CONFIG_UNIX=y
CONFIG_INET=y
CONFIG_IP_PNP=y
CONFIG_IP_PNP_DHCP=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
# CONFIG_FW_LOADER is not set
# CONFIG_ALLOW_DEV_COREDUMP is not set
-CONFIG_DMA_CMA=y
-CONFIG_CMA_SIZE_MBYTES=32
CONFIG_MTD=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_NAND_JZ4780=y
@@ -72,9 +67,8 @@ CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL=y
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_WLAN is not set
-# CONFIG_INPUT_KEYBOARD is not set
+CONFIG_KEYBOARD_GPIO=m
# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
CONFIG_VT_HW_CONSOLE_BINDING=y
CONFIG_LEGACY_PTY_COUNT=2
CONFIG_SERIAL_8250=y
@@ -89,7 +83,7 @@ CONFIG_I2C_JZ4780=y
CONFIG_SPI=y
CONFIG_SPI_GPIO=y
CONFIG_GPIO_SYSFS=y
-CONFIG_KEYBOARD_GPIO=m
+CONFIG_POWER_SUPPLY=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_JZ4740_WDT=y
@@ -97,17 +91,45 @@ CONFIG_REGULATOR=y
CONFIG_REGULATOR_DEBUG=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_ACT8865=y
+CONFIG_RC_CORE=m
+CONFIG_LIRC=y
+CONFIG_RC_DEVICES=y
+CONFIG_IR_GPIO_CIR=m
+CONFIG_IR_GPIO_TX=m
+CONFIG_MEDIA_SUPPORT=m
# CONFIG_VGA_CONSOLE is not set
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
CONFIG_MMC=y
CONFIG_MMC_JZ4740=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_ONESHOT=y
+CONFIG_LEDS_TRIGGER_MTD=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_BACKLIGHT=m
+CONFIG_LEDS_TRIGGER_CPU=y
+CONFIG_LEDS_TRIGGER_ACTIVITY=y
+CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_LEDS_TRIGGER_TRANSIENT=y
+CONFIG_LEDS_TRIGGER_CAMERA=m
+CONFIG_LEDS_TRIGGER_PANIC=y
+CONFIG_LEDS_TRIGGER_NETDEV=y
+CONFIG_LEDS_TRIGGER_PATTERN=y
+CONFIG_LEDS_TRIGGER_AUDIO=y
CONFIG_RTC_CLASS=y
CONFIG_RTC_DRV_JZ4740=y
CONFIG_DMADEVICES=y
CONFIG_DMA_JZ4780=y
+CONFIG_INGENIC_OST=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_MEMORY=y
+CONFIG_PWM=y
+CONFIG_PWM_JZ4740=m
CONFIG_EXT4_FS=y
# CONFIG_DNOTIFY is not set
CONFIG_PROC_KCORE=y
@@ -156,11 +178,13 @@ CONFIG_NLS_ISO8859_15=y
CONFIG_NLS_KOI8_R=y
CONFIG_NLS_KOI8_U=y
CONFIG_NLS_UTF8=y
+CONFIG_DMA_CMA=y
+CONFIG_CMA_SIZE_MBYTES=32
CONFIG_PRINTK_TIME=y
CONFIG_DEBUG_INFO=y
CONFIG_STRIP_ASM_SYMS=y
-CONFIG_DEBUG_FS=y
CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_FS=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_PANIC_TIMEOUT=10
# CONFIG_SCHED_DEBUG is not set
@@ -169,21 +193,3 @@ CONFIG_STACKTRACE=y
# CONFIG_FTRACE is not set
CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="earlycon console=ttyS4,115200 clk_ignore_unused"
-CONFIG_LEDS_CLASS=y
-CONFIG_LEDS_GPIO=y
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_LEDS_TRIGGER_MTD=y
-CONFIG_LEDS_TRIGGER_TIMER=y
-CONFIG_LEDS_TRIGGER_ONESHOT=y
-CONFIG_LEDS_TRIGGER_ONESHOT=y
-CONFIG_LEDS_TRIGGER_HEARTBEAT=y
-CONFIG_LEDS_TRIGGER_BACKLIGHT=m
-CONFIG_LEDS_TRIGGER_CPU=y
-CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
-CONFIG_LEDS_TRIGGER_TRANSIENT=y
-CONFIG_LEDS_TRIGGER_CAMERA=m
-CONFIG_LIRC=y
-CONFIG_MEDIA_SUPPORT=m
-CONFIG_RC_DEVICES=y
-CONFIG_IR_GPIO_CIR=m
-CONFIG_IR_GPIO_TX=m
diff --git a/arch/mips/configs/db1xxx_defconfig b/arch/mips/configs/db1xxx_defconfig
index e6f3e8e3da39..b8bd66300996 100644
--- a/arch/mips/configs/db1xxx_defconfig
+++ b/arch/mips/configs/db1xxx_defconfig
@@ -92,7 +92,6 @@ CONFIG_MTD_CFI=y
CONFIG_MTD_CFI_ADV_OPTIONS=y
CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_PHYSMAP=y
-CONFIG_MTD_M25P80=y
CONFIG_MTD_SST25L=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_NAND_ECC_SW_BCH=y
diff --git a/arch/mips/configs/gcw0_defconfig b/arch/mips/configs/gcw0_defconfig
index a3e3eb3c5a8b..48131cb47e66 100644
--- a/arch/mips/configs/gcw0_defconfig
+++ b/arch/mips/configs/gcw0_defconfig
@@ -1,27 +1,152 @@
+CONFIG_DEFAULT_HOSTNAME="gcw0"
CONFIG_NO_HZ_IDLE=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_PREEMPT_VOLUNTARY=y
CONFIG_EMBEDDED=y
+CONFIG_PROFILING=y
CONFIG_MACH_INGENIC=y
CONFIG_JZ4770_GCW0=y
CONFIG_HIGHMEM=y
# CONFIG_SECCOMP is not set
-# CONFIG_SUSPEND is not set
+CONFIG_MIPS_RAW_APPENDED_DTB=y
+CONFIG_MIPS_CMDLINE_DTB_EXTEND=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_BOUNCE is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_INET=y
+CONFIG_CFG80211=y
+CONFIG_MAC80211=m
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=0
CONFIG_NETDEVICES=y
+# CONFIG_ETHERNET is not set
+# CONFIG_WLAN_VENDOR_ADMTEK is not set
+# CONFIG_WLAN_VENDOR_ATH is not set
+# CONFIG_WLAN_VENDOR_ATMEL is not set
+# CONFIG_WLAN_VENDOR_BROADCOM is not set
+# CONFIG_WLAN_VENDOR_CISCO is not set
+# CONFIG_WLAN_VENDOR_INTEL is not set
+# CONFIG_WLAN_VENDOR_INTERSIL is not set
+# CONFIG_WLAN_VENDOR_MARVELL is not set
+# CONFIG_WLAN_VENDOR_MEDIATEK is not set
+# CONFIG_WLAN_VENDOR_RALINK is not set
+CONFIG_RTL8192CU=m
+# CONFIG_RTLWIFI_DEBUG is not set
+# CONFIG_WLAN_VENDOR_RSI is not set
+# CONFIG_WLAN_VENDOR_ST is not set
+# CONFIG_WLAN_VENDOR_TI is not set
+# CONFIG_WLAN_VENDOR_ZYDAS is not set
+# CONFIG_WLAN_VENDOR_QUANTENNA is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_KEYBOARD_ATKBD is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_JOYSTICK=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_UINPUT=y
+CONFIG_INPUT_PWM_VIBRA=y
+# CONFIG_SERIO is not set
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_DEPRECATED_OPTIONS is not set
CONFIG_SERIAL_8250_CONSOLE=y
CONFIG_SERIAL_8250_INGENIC=y
+CONFIG_HW_RANDOM=y
+CONFIG_I2C_GPIO=y
+CONFIG_SPI=y
+CONFIG_SPI_GPIO=y
+CONFIG_POWER_SUPPLY=y
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_JZ4740_WDT=y
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+CONFIG_REGULATOR_ACT8865=y
+CONFIG_DRM=y
+CONFIG_DRM_FBDEV_OVERALLOC=300
+CONFIG_DRM_PANEL_NOVATEK_NT39016=y
+CONFIG_DRM_INGENIC=y
+CONFIG_DRM_ETNAVIV=y
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_GENERIC is not set
+CONFIG_BACKLIGHT_PWM=y
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_SOUND=y
+CONFIG_SND=y
+# CONFIG_SND_SUPPORT_OLD_API is not set
+# CONFIG_SND_PROC_FS is not set
+# CONFIG_SND_DRIVERS is not set
+# CONFIG_SND_SPI is not set
+# CONFIG_SND_MIPS is not set
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
+CONFIG_SND_JZ4740_SOC_I2S=y
+CONFIG_SND_SOC_JZ4770_CODEC=y
+CONFIG_SND_SOC_SIMPLE_AMPLIFIER=y
+CONFIG_SND_SIMPLE_CARD=y
+CONFIG_USB_CONN_GPIO=y
CONFIG_USB=y
+CONFIG_USB_OTG=y
+CONFIG_USB_OTG_BLACKLIST_HUB=y
CONFIG_USB_OHCI_HCD=y
CONFIG_USB_OHCI_HCD_PLATFORM=y
-CONFIG_NOP_USB_XCEIV=y
-CONFIG_TMPFS=y
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_GADGET=y
+CONFIG_USB_MUSB_JZ4740=y
+CONFIG_USB_INVENTRA_DMA=y
+CONFIG_JZ4770_PHY=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VBUS_DRAW=500
+CONFIG_USB_ETH=y
+CONFIG_MMC=y
+# CONFIG_PWRSEQ_EMMC is not set
+# CONFIG_PWRSEQ_SIMPLE is not set
+CONFIG_MMC_JZ4740=y
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+CONFIG_LEDS_TRIGGER_PANIC=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_NVMEM is not set
+CONFIG_RTC_DRV_JZ4740=y
+CONFIG_DMADEVICES=y
+CONFIG_DMA_JZ4780=y
+# CONFIG_VIRTIO_MENU is not set
+CONFIG_STAGING=y
+CONFIG_R8188EU=m
+CONFIG_INGENIC_OST=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_IIO=y
+CONFIG_IIO_BUFFER=y
+CONFIG_IIO_BUFFER_CB=y
+CONFIG_IIO_KFIFO_BUF=y
+CONFIG_MXC6255=m
+CONFIG_INGENIC_ADC=y
+CONFIG_PWM=y
+CONFIG_PWM_JZ4740=y
+CONFIG_EXT4_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_FILE_DIRECT=y
+CONFIG_SQUASHFS_DECOMP_MULTI=y
+# CONFIG_NETWORK_FILESYSTEMS is not set
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_UTF8=y
+CONFIG_LSM="lockdown,yama,loadpin,safesetid,integrity"
+CONFIG_CRYPTO_ECHAINIV=y
+CONFIG_FONTS=y
+CONFIG_FONT_6x10=y
+CONFIG_DEBUG_FS=y
diff --git a/arch/mips/configs/generic/board-ocelot.config b/arch/mips/configs/generic/board-ocelot.config
index 7626f2a75b03..510709565404 100644
--- a/arch/mips/configs/generic/board-ocelot.config
+++ b/arch/mips/configs/generic/board-ocelot.config
@@ -9,7 +9,6 @@ CONFIG_GENERIC_PHY=y
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
-CONFIG_MTD_M25P80=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_NAND_PLATFORM=y
CONFIG_MTD_SPI_NOR=y
diff --git a/arch/mips/configs/lasat_defconfig b/arch/mips/configs/lasat_defconfig
deleted file mode 100644
index 00cf461db971..000000000000
--- a/arch/mips/configs/lasat_defconfig
+++ /dev/null
@@ -1,55 +0,0 @@
-CONFIG_SYSVIPC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EXPERT=y
-# CONFIG_EPOLL is not set
-# CONFIG_SIGNALFD is not set
-# CONFIG_TIMERFD is not set
-# CONFIG_EVENTFD is not set
-# CONFIG_KALLSYMS is not set
-CONFIG_SLAB=y
-CONFIG_LASAT=y
-CONFIG_PICVUE=y
-CONFIG_PICVUE_PROC=y
-CONFIG_DS1603=y
-CONFIG_LASAT_SYSCTL=y
-CONFIG_HZ_1000=y
-# CONFIG_SECCOMP is not set
-CONFIG_PCI=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
-# CONFIG_INET_XFRM_MODE_TUNNEL is not set
-# CONFIG_INET_XFRM_MODE_BEET is not set
-# CONFIG_INET_DIAG is not set
-# CONFIG_IPV6 is not set
-CONFIG_MTD=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_ATA=y
-CONFIG_PATA_CMD64X=y
-CONFIG_ATA_GENERIC=y
-CONFIG_PATA_LEGACY=y
-CONFIG_NETDEVICES=y
-CONFIG_PCNET32=y
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-CONFIG_SERIO_RAW=y
-# CONFIG_VT is not set
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-# CONFIG_SERIAL_8250_PCI is not set
-# CONFIG_HW_RANDOM is not set
-# CONFIG_HWMON is not set
-# CONFIG_USB_SUPPORT is not set
-CONFIG_EXT2_FS=y
-CONFIG_EXT3_FS=y
-# CONFIG_DNOTIFY is not set
-CONFIG_PROC_KCORE=y
-CONFIG_TMPFS=y
-CONFIG_CONFIGFS_FS=y
-CONFIG_MAGIC_SYSRQ=y
diff --git a/arch/mips/configs/loongson3_defconfig b/arch/mips/configs/loongson3_defconfig
index 51675f5000d6..3d4c7e9996c5 100644
--- a/arch/mips/configs/loongson3_defconfig
+++ b/arch/mips/configs/loongson3_defconfig
@@ -21,6 +21,7 @@ CONFIG_SYSFS_DEPRECATED=y
CONFIG_RELAY=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
+CONFIG_PERF_EVENTS=y
CONFIG_MACH_LOONGSON64=y
CONFIG_SMP=y
CONFIG_HZ_256=y
@@ -216,6 +217,7 @@ CONFIG_SERIAL_8250_EXTENDED=y
CONFIG_SERIAL_8250_MANY_PORTS=y
CONFIG_SERIAL_8250_SHARE_IRQ=y
CONFIG_SERIAL_8250_RSA=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
CONFIG_RAW_DRIVER=m
CONFIG_I2C_CHARDEV=y
@@ -229,7 +231,7 @@ CONFIG_MEDIA_CAMERA_SUPPORT=y
CONFIG_MEDIA_USB_SUPPORT=y
CONFIG_USB_VIDEO_CLASS=m
CONFIG_DRM=y
-CONFIG_DRM_RADEON=y
+CONFIG_DRM_RADEON=m
CONFIG_FB_RADEON=y
CONFIG_LCD_CLASS_DEVICE=y
CONFIG_LCD_PLATFORM=m
diff --git a/arch/mips/configs/markeins_defconfig b/arch/mips/configs/markeins_defconfig
deleted file mode 100644
index 507ad91b21e7..000000000000
--- a/arch/mips/configs/markeins_defconfig
+++ /dev/null
@@ -1,185 +0,0 @@
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-CONFIG_PREEMPT=y
-CONFIG_BSD_PROCESS_ACCT=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EXPERT=y
-CONFIG_SLAB=y
-CONFIG_NEC_MARKEINS=y
-CONFIG_HZ_1000=y
-CONFIG_PCI=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_MODVERSIONS=y
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_NET_KEY=y
-CONFIG_NET_KEY_MIGRATE=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_ADVANCED_ROUTER=y
-CONFIG_IP_MULTIPLE_TABLES=y
-CONFIG_IP_ROUTE_MULTIPATH=y
-CONFIG_IP_ROUTE_VERBOSE=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_BOOTP=y
-CONFIG_SYN_COOKIES=y
-CONFIG_INET_XFRM_MODE_TRANSPORT=m
-CONFIG_INET_XFRM_MODE_TUNNEL=m
-CONFIG_INET_XFRM_MODE_BEET=m
-CONFIG_TCP_MD5SIG=y
-CONFIG_IPV6_MIP6=m
-CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION=m
-CONFIG_IPV6_MULTIPLE_TABLES=y
-CONFIG_IPV6_SUBTREES=y
-CONFIG_NETWORK_SECMARK=y
-CONFIG_NETFILTER=y
-CONFIG_NF_CONNTRACK=m
-CONFIG_NF_CONNTRACK_SECMARK=y
-CONFIG_NF_CONNTRACK_EVENTS=y
-CONFIG_NF_CONNTRACK_AMANDA=m
-CONFIG_NF_CONNTRACK_FTP=m
-CONFIG_NF_CONNTRACK_H323=m
-CONFIG_NF_CONNTRACK_IRC=m
-CONFIG_NF_CONNTRACK_PPTP=m
-CONFIG_NF_CONNTRACK_SANE=m
-CONFIG_NF_CONNTRACK_SIP=m
-CONFIG_NF_CONNTRACK_TFTP=m
-CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
-CONFIG_NETFILTER_XT_TARGET_CONNMARK=m
-CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=m
-CONFIG_NETFILTER_XT_TARGET_DSCP=m
-CONFIG_NETFILTER_XT_TARGET_MARK=m
-CONFIG_NETFILTER_XT_TARGET_NFLOG=m
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
-CONFIG_NETFILTER_XT_TARGET_SECMARK=m
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
-CONFIG_NETFILTER_XT_MATCH_COMMENT=m
-CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
-CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
-CONFIG_NETFILTER_XT_MATCH_DCCP=m
-CONFIG_NETFILTER_XT_MATCH_DSCP=m
-CONFIG_NETFILTER_XT_MATCH_ESP=m
-CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
-CONFIG_NETFILTER_XT_MATCH_HELPER=m
-CONFIG_NETFILTER_XT_MATCH_LENGTH=m
-CONFIG_NETFILTER_XT_MATCH_LIMIT=m
-CONFIG_NETFILTER_XT_MATCH_MAC=m
-CONFIG_NETFILTER_XT_MATCH_MARK=m
-CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
-CONFIG_NETFILTER_XT_MATCH_POLICY=m
-CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
-CONFIG_NETFILTER_XT_MATCH_QUOTA=m
-CONFIG_NETFILTER_XT_MATCH_REALM=m
-CONFIG_NETFILTER_XT_MATCH_STATE=m
-CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
-CONFIG_NETFILTER_XT_MATCH_STRING=m
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_AH=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
-CONFIG_IP6_NF_IPTABLES=m
-CONFIG_IP6_NF_MATCH_AH=m
-CONFIG_IP6_NF_MATCH_EUI64=m
-CONFIG_IP6_NF_MATCH_FRAG=m
-CONFIG_IP6_NF_MATCH_OPTS=m
-CONFIG_IP6_NF_MATCH_HL=m
-CONFIG_IP6_NF_MATCH_IPV6HEADER=m
-CONFIG_IP6_NF_MATCH_MH=m
-CONFIG_IP6_NF_MATCH_RT=m
-CONFIG_IP6_NF_TARGET_HL=m
-CONFIG_IP6_NF_FILTER=m
-CONFIG_IP6_NF_TARGET_REJECT=m
-CONFIG_IP6_NF_MANGLE=m
-CONFIG_IP6_NF_RAW=m
-CONFIG_FW_LOADER=m
-CONFIG_MTD=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_BLK_DEV_LOOP=m
-CONFIG_BLK_DEV_CRYPTOLOOP=m
-CONFIG_SCSI=m
-# CONFIG_SCSI_PROC_FS is not set
-CONFIG_BLK_DEV_SD=m
-CONFIG_CHR_DEV_SG=m
-CONFIG_SCSI_SCAN_ASYNC=y
-CONFIG_SCSI_AIC94XX=m
-# CONFIG_AIC94XX_DEBUG is not set
-CONFIG_NETDEVICES=y
-CONFIG_TUN=m
-CONFIG_CHELSIO_T3=m
-CONFIG_NATSEMI=y
-CONFIG_QLA3XXX=m
-CONFIG_NETXEN_NIC=m
-CONFIG_PPP=m
-CONFIG_PPP_DEFLATE=m
-CONFIG_PPP_ASYNC=m
-CONFIG_PPP_SYNC_TTY=m
-CONFIG_INPUT_EVDEV=m
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_VT is not set
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-# CONFIG_HW_RANDOM is not set
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_DEBUG_CORE=y
-CONFIG_I2C_DEBUG_BUS=y
-# CONFIG_HID is not set
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-CONFIG_EXT2_FS_POSIX_ACL=y
-CONFIG_EXT2_FS_SECURITY=y
-CONFIG_EXT3_FS=m
-CONFIG_XFS_FS=m
-# CONFIG_DNOTIFY is not set
-CONFIG_AUTOFS4_FS=m
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
-CONFIG_NTFS_FS=m
-CONFIG_PROC_KCORE=y
-CONFIG_TMPFS=y
-CONFIG_TMPFS_POSIX_ACL=y
-CONFIG_JFFS2_FS=y
-CONFIG_JFFS2_COMPRESSION_OPTIONS=y
-CONFIG_CRAMFS=y
-CONFIG_NFS_FS=y
-CONFIG_NFS_V4=y
-CONFIG_ROOT_NFS=y
-CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
-CONFIG_NLS_DEFAULT=""
-CONFIG_NLS_CODEPAGE_437=m
-CONFIG_NLS_ASCII=m
-CONFIG_NLS_ISO8859_1=m
-CONFIG_NLS_UTF8=m
-CONFIG_CRYPTO_ECB=m
-CONFIG_CRYPTO_LRW=m
-CONFIG_CRYPTO_PCBC=m
-CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_XCBC=m
-CONFIG_CRYPTO_CAMELLIA=m
-CONFIG_CRYPTO_FCRYPT=m
-CONFIG_CMDLINE_BOOL=y
-CONFIG_CMDLINE="console=ttyS0,115200 mem=192m ip=bootp root=/dev/nfs rw"
diff --git a/arch/mips/configs/msp71xx_defconfig b/arch/mips/configs/msp71xx_defconfig
deleted file mode 100644
index 6ad1a2381226..000000000000
--- a/arch/mips/configs/msp71xx_defconfig
+++ /dev/null
@@ -1,77 +0,0 @@
-CONFIG_LOCALVERSION="-pmc"
-# CONFIG_SWAP is not set
-CONFIG_SYSVIPC=y
-CONFIG_PREEMPT=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EXPERT=y
-# CONFIG_SHMEM is not set
-CONFIG_SLAB=y
-CONFIG_PMC_MSP=y
-CONFIG_PMC_MSP7120_GW=y
-CONFIG_CPU_MIPS32_R2=y
-CONFIG_NR_CPUS=2
-CONFIG_PCI=y
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODVERSIONS=y
-CONFIG_NET=y
-CONFIG_UNIX=y
-CONFIG_XFRM_USER=y
-CONFIG_NET_KEY=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-CONFIG_INET_AH=y
-CONFIG_INET_ESP=y
-CONFIG_INET_IPCOMP=y
-# CONFIG_IPV6 is not set
-CONFIG_NETFILTER=y
-CONFIG_IP_NF_IPTABLES=y
-CONFIG_IP_NF_FILTER=y
-CONFIG_IP_NF_TARGET_REJECT=y
-CONFIG_BRIDGE=y
-# CONFIG_PREVENT_FIRMWARE_BUILD is not set
-# CONFIG_FW_LOADER is not set
-CONFIG_MTD=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_RAM=y
-CONFIG_MTD_PMC_MSP_EVM=y
-CONFIG_BLK_DEV_RAM=y
-CONFIG_SCSI=y
-CONFIG_BLK_DEV_SD=y
-CONFIG_NETDEVICES=y
-CONFIG_DUMMY=y
-CONFIG_PPP=y
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_SERIO is not set
-# CONFIG_VT is not set
-# CONFIG_LEGACY_PTYS is not set
-# CONFIG_SERIAL_8250_PCI is not set
-CONFIG_SERIAL_8250_NR_UARTS=2
-CONFIG_SERIAL_8250_RUNTIME_UARTS=2
-# CONFIG_HW_RANDOM is not set
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-CONFIG_I2C_PMCMSP=y
-# CONFIG_USB_HID is not set
-CONFIG_USB=y
-CONFIG_USB_MON=y
-CONFIG_USB_EHCI_HCD=y
-CONFIG_USB_EHCI_ROOT_HUB_TT=y
-# CONFIG_USB_EHCI_TT_NEWSCHED is not set
-CONFIG_USB_STORAGE=y
-CONFIG_EXT2_FS=y
-# CONFIG_DNOTIFY is not set
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
-CONFIG_JFFS2_FS=y
-CONFIG_SQUASHFS=y
-CONFIG_SQUASHFS_EMBEDDED=y
-CONFIG_NLS_CODEPAGE_437=y
-CONFIG_NLS_ISO8859_1=y
-CONFIG_MAGIC_SYSRQ=y
diff --git a/arch/mips/configs/pistachio_defconfig b/arch/mips/configs/pistachio_defconfig
index 24e07180c57d..b9adf15ebbec 100644
--- a/arch/mips/configs/pistachio_defconfig
+++ b/arch/mips/configs/pistachio_defconfig
@@ -127,7 +127,6 @@ CONFIG_DEBUG_DEVRES=y
CONFIG_CONNECTOR=y
CONFIG_MTD=y
CONFIG_MTD_BLOCK=y
-CONFIG_MTD_M25P80=y
CONFIG_MTD_SPI_NOR=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BLOCK=y
diff --git a/arch/mips/configs/rt305x_defconfig b/arch/mips/configs/rt305x_defconfig
index 8c2ead53007a..fec5851c164b 100644
--- a/arch/mips/configs/rt305x_defconfig
+++ b/arch/mips/configs/rt305x_defconfig
@@ -76,7 +76,6 @@ CONFIG_MTD_CFI_AMDSTD=y
CONFIG_MTD_COMPLEX_MAPPINGS=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_OF=y
-CONFIG_MTD_M25P80=y
CONFIG_MTD_SPI_NOR=y
CONFIG_EEPROM_93CX6=m
CONFIG_SCSI=y
diff --git a/arch/mips/dec/Platform b/arch/mips/dec/Platform
index cf55a6f4e720..c82391e832f9 100644
--- a/arch/mips/dec/Platform
+++ b/arch/mips/dec/Platform
@@ -1,7 +1,6 @@
#
# DECstation family
#
-platform-$(CONFIG_MACH_DECSTATION) += dec/
cflags-$(CONFIG_MACH_DECSTATION) += \
-I$(srctree)/arch/mips/include/asm/mach-dec
libs-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/prom/
diff --git a/arch/mips/dec/int-handler.S b/arch/mips/dec/int-handler.S
index a25ef822e725..ea5b5a83f1e1 100644
--- a/arch/mips/dec/int-handler.S
+++ b/arch/mips/dec/int-handler.S
@@ -304,8 +304,8 @@ spurious:
*/
FEXPORT(dec_intr_unimplemented)
move a1,t0 # cheats way of printing an arg!
- PANIC("Unimplemented cpu interrupt! CP0_CAUSE: 0x%08x");
+ ASM_PANIC("Unimplemented cpu interrupt! CP0_CAUSE: 0x%08x");
FEXPORT(asic_intr_unimplemented)
move a1,t0 # cheats way of printing an arg!
- PANIC("Unimplemented asic interrupt! ASIC ISR: 0x%08x");
+ ASM_PANIC("Unimplemented asic interrupt! ASIC ISR: 0x%08x");
diff --git a/arch/mips/dec/tc.c b/arch/mips/dec/tc.c
index 732027c79834..dba58397668e 100644
--- a/arch/mips/dec/tc.c
+++ b/arch/mips/dec/tc.c
@@ -52,7 +52,7 @@ int __init tc_bus_get_info(struct tc_bus *tbus)
case MACH_DS5900:
tbus->ext_slot_base = 0x20000000;
tbus->ext_slot_size = 0x20000000;
- /* fall through */
+ fallthrough;
case MACH_DS5000_1XX:
tbus->num_tcslots = 3;
break;
diff --git a/arch/mips/emma/Makefile b/arch/mips/emma/Makefile
deleted file mode 100644
index bc03082064ca..000000000000
--- a/arch/mips/emma/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_SOC_EMMA2RH) += common/
-
-#
-# NEC EMMA2RH Mark-eins
-#
-obj-$(CONFIG_NEC_MARKEINS) += markeins/
diff --git a/arch/mips/emma/Platform b/arch/mips/emma/Platform
deleted file mode 100644
index 0282f7f99b88..000000000000
--- a/arch/mips/emma/Platform
+++ /dev/null
@@ -1,4 +0,0 @@
-platform-$(CONFIG_SOC_EMMA2RH) += emma/
-cflags-$(CONFIG_SOC_EMMA2RH) += \
- -I$(srctree)/arch/mips/include/asm/mach-emma2rh
-load-$(CONFIG_NEC_MARKEINS) += 0xffffffff88100000
diff --git a/arch/mips/emma/common/Makefile b/arch/mips/emma/common/Makefile
deleted file mode 100644
index a754abd1beb9..000000000000
--- a/arch/mips/emma/common/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-#
-# Copyright (C) NEC Electronics Corporation 2005-2006
-#
-
-obj-$(CONFIG_NEC_MARKEINS) += prom.o
diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
deleted file mode 100644
index 7c3a6f32beda..000000000000
--- a/arch/mips/emma/common/prom.c
+++ /dev/null
@@ -1,56 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/common/prom.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/memblock.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/emma/emma2rh.h>
-
-const char *get_system_type(void)
-{
-#ifdef CONFIG_NEC_MARKEINS
- return "NEC EMMA2RH Mark-eins";
-#else
-#error Unknown NEC board
-#endif
-}
-
-/* [jsun@junsun.net] PMON passes arguments in C main() style */
-void __init prom_init(void)
-{
- int argc = fw_arg0;
- char **arg = (char **)fw_arg1;
- int i;
-
- /* if user passes kernel args, ignore the default one */
- if (argc > 1)
- arcs_cmdline[0] = '\0';
-
- /* arg[0] is "g", the rest is boot parameters */
- for (i = 1; i < argc; i++) {
- if (strlen(arcs_cmdline) + strlen(arg[i]) + 1
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, arg[i]);
- strcat(arcs_cmdline, " ");
- }
-
-#ifdef CONFIG_NEC_MARKEINS
- add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
-#else
-#error Unknown NEC board
-#endif
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/emma/markeins/Makefile b/arch/mips/emma/markeins/Makefile
deleted file mode 100644
index 8c8649069504..000000000000
--- a/arch/mips/emma/markeins/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-or-later
-#
-# Copyright (C) NEC Electronics Corporation 2005-2006
-#
-
-obj-$(CONFIG_NEC_MARKEINS) += irq.o setup.o led.o platform.o
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
deleted file mode 100644
index 4aebf559be2e..000000000000
--- a/arch/mips/emma/markeins/irq.c
+++ /dev/null
@@ -1,293 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/delay.h>
-
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-
-#include <asm/emma/emma2rh.h>
-
-static void emma2rh_irq_enable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_IRQ_BASE;
- u32 reg_value, reg_bitmask, reg_index;
-
- reg_index = EMMA2RH_BHIF_INT_EN_0 +
- (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32);
- reg_value = emma2rh_in32(reg_index);
- reg_bitmask = 0x1 << (irq % 32);
- emma2rh_out32(reg_index, reg_value | reg_bitmask);
-}
-
-static void emma2rh_irq_disable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_IRQ_BASE;
- u32 reg_value, reg_bitmask, reg_index;
-
- reg_index = EMMA2RH_BHIF_INT_EN_0 +
- (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0) * (irq / 32);
- reg_value = emma2rh_in32(reg_index);
- reg_bitmask = 0x1 << (irq % 32);
- emma2rh_out32(reg_index, reg_value & ~reg_bitmask);
-}
-
-struct irq_chip emma2rh_irq_controller = {
- .name = "emma2rh_irq",
- .irq_mask = emma2rh_irq_disable,
- .irq_unmask = emma2rh_irq_enable,
-};
-
-void emma2rh_irq_init(void)
-{
- u32 i;
-
- for (i = 0; i < NUM_EMMA2RH_IRQ; i++)
- irq_set_chip_and_handler_name(EMMA2RH_IRQ_BASE + i,
- &emma2rh_irq_controller,
- handle_level_irq, "level");
-}
-
-static void emma2rh_sw_irq_enable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE;
- u32 reg;
-
- reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
- reg |= 1 << irq;
- emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
-}
-
-static void emma2rh_sw_irq_disable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_SW_IRQ_BASE;
- u32 reg;
-
- reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
- reg &= ~(1 << irq);
- emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
-}
-
-struct irq_chip emma2rh_sw_irq_controller = {
- .name = "emma2rh_sw_irq",
- .irq_mask = emma2rh_sw_irq_disable,
- .irq_unmask = emma2rh_sw_irq_enable,
-};
-
-void emma2rh_sw_irq_init(void)
-{
- u32 i;
-
- for (i = 0; i < NUM_EMMA2RH_IRQ_SW; i++)
- irq_set_chip_and_handler_name(EMMA2RH_SW_IRQ_BASE + i,
- &emma2rh_sw_irq_controller,
- handle_level_irq, "level");
-}
-
-static void emma2rh_gpio_irq_enable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
- u32 reg;
-
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
- reg |= 1 << irq;
- emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
-}
-
-static void emma2rh_gpio_irq_disable(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
- u32 reg;
-
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
- reg &= ~(1 << irq);
- emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
-}
-
-static void emma2rh_gpio_irq_ack(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
-
- emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
-}
-
-static void emma2rh_gpio_irq_mask_ack(struct irq_data *d)
-{
- unsigned int irq = d->irq - EMMA2RH_GPIO_IRQ_BASE;
- u32 reg;
-
- emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
-
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
- reg &= ~(1 << irq);
- emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
-}
-
-struct irq_chip emma2rh_gpio_irq_controller = {
- .name = "emma2rh_gpio_irq",
- .irq_ack = emma2rh_gpio_irq_ack,
- .irq_mask = emma2rh_gpio_irq_disable,
- .irq_mask_ack = emma2rh_gpio_irq_mask_ack,
- .irq_unmask = emma2rh_gpio_irq_enable,
-};
-
-void emma2rh_gpio_irq_init(void)
-{
- u32 i;
-
- for (i = 0; i < NUM_EMMA2RH_IRQ_GPIO; i++)
- irq_set_chip_and_handler_name(EMMA2RH_GPIO_IRQ_BASE + i,
- &emma2rh_gpio_irq_controller,
- handle_edge_irq, "edge");
-}
-
-/*
- * the first level int-handler will jump here if it is a emma2rh irq
- */
-void emma2rh_irq_dispatch(void)
-{
- u32 intStatus;
- u32 bitmask;
- u32 i;
-
- intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0) &
- emma2rh_in32(EMMA2RH_BHIF_INT_EN_0);
-
-#ifdef EMMA2RH_SW_CASCADE
- if (intStatus & (1UL << EMMA2RH_SW_CASCADE)) {
- u32 swIntStatus;
- swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT)
- & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
- for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
- if (swIntStatus & bitmask) {
- do_IRQ(EMMA2RH_SW_IRQ_BASE + i);
- return;
- }
- }
- }
- /* Skip S/W interrupt */
- intStatus &= ~(1UL << EMMA2RH_SW_CASCADE);
-#endif
-
- for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
- if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i);
- return;
- }
- }
-
- intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1) &
- emma2rh_in32(EMMA2RH_BHIF_INT_EN_1);
-
-#ifdef EMMA2RH_GPIO_CASCADE
- if (intStatus & (1UL << (EMMA2RH_GPIO_CASCADE % 32))) {
- u32 gpioIntStatus;
- gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST)
- & emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
- for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
- if (gpioIntStatus & bitmask) {
- do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i);
- return;
- }
- }
- }
- /* Skip GPIO interrupt */
- intStatus &= ~(1UL << (EMMA2RH_GPIO_CASCADE % 32));
-#endif
-
- for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) {
- if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i);
- return;
- }
- }
-
- intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2) &
- emma2rh_in32(EMMA2RH_BHIF_INT_EN_2);
-
- for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) {
- if (intStatus & bitmask) {
- do_IRQ(EMMA2RH_IRQ_BASE + i);
- return;
- }
- }
-}
-
-void __init arch_init_irq(void)
-{
- u32 reg;
- int irq;
-
- /* by default, interrupts are disabled. */
- emma2rh_out32(EMMA2RH_BHIF_INT_EN_0, 0);
- emma2rh_out32(EMMA2RH_BHIF_INT_EN_1, 0);
- emma2rh_out32(EMMA2RH_BHIF_INT_EN_2, 0);
- emma2rh_out32(EMMA2RH_BHIF_INT1_EN_0, 0);
- emma2rh_out32(EMMA2RH_BHIF_INT1_EN_1, 0);
- emma2rh_out32(EMMA2RH_BHIF_INT1_EN_2, 0);
- emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, 0);
-
- clear_c0_status(0xff00);
- set_c0_status(0x0400);
-
-#define GPIO_PCI (0xf<<15)
- /* setup GPIO interrupt for PCI interface */
- /* direction input */
- reg = emma2rh_in32(EMMA2RH_GPIO_DIR);
- emma2rh_out32(EMMA2RH_GPIO_DIR, reg & ~GPIO_PCI);
- /* disable interrupt */
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
- emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg & ~GPIO_PCI);
- /* level triggerd */
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_MODE);
- emma2rh_out32(EMMA2RH_GPIO_INT_MODE, reg | GPIO_PCI);
- reg = emma2rh_in32(EMMA2RH_GPIO_INT_CND_A);
- emma2rh_out32(EMMA2RH_GPIO_INT_CND_A, reg & (~GPIO_PCI));
- /* interrupt clear */
- emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~GPIO_PCI);
-
- /* init all controllers */
- emma2rh_irq_init();
- emma2rh_sw_irq_init();
- emma2rh_gpio_irq_init();
- mips_cpu_irq_init();
-
- /* setup cascade interrupts */
- irq = EMMA2RH_IRQ_BASE + EMMA2RH_SW_CASCADE;
- if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", irq);
- irq = EMMA2RH_IRQ_BASE + EMMA2RH_GPIO_CASCADE;
- if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", irq);
- irq = MIPS_CPU_IRQ_BASE + 2;
- if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", irq);
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
-
- if (pending & STATUSF_IP7)
- do_IRQ(MIPS_CPU_IRQ_BASE + 7);
- else if (pending & STATUSF_IP2)
- emma2rh_irq_dispatch();
- else if (pending & STATUSF_IP1)
- do_IRQ(MIPS_CPU_IRQ_BASE + 1);
- else if (pending & STATUSF_IP0)
- do_IRQ(MIPS_CPU_IRQ_BASE + 0);
- else
- spurious_interrupt();
-}
diff --git a/arch/mips/emma/markeins/led.c b/arch/mips/emma/markeins/led.c
deleted file mode 100644
index d377542c0ec4..000000000000
--- a/arch/mips/emma/markeins/led.c
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- */
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/string.h>
-#include <asm/emma/emma2rh.h>
-
-const unsigned long clear = 0x20202020;
-
-#define LED_BASE 0xb1400038
-
-void markeins_led_clear(void)
-{
- emma2rh_out32(LED_BASE, clear);
- emma2rh_out32(LED_BASE + 4, clear);
-}
-
-void markeins_led(const char *str)
-{
- int i;
- int len = strlen(str);
-
- markeins_led_clear();
- if (len > 8)
- len = 8;
-
- if (emma2rh_in32(0xb0000800) & (0x1 << 18))
- for (i = 0; i < len; i++)
- emma2rh_out8(LED_BASE + i, str[i]);
- else
- for (i = 0; i < len; i++)
- emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)),
- str[i]);
-}
-
-void markeins_led_hex(u32 val)
-{
- char str[10];
-
- sprintf(str, "%08x", val);
- markeins_led(str);
-}
diff --git a/arch/mips/emma/markeins/platform.c b/arch/mips/emma/markeins/platform.c
deleted file mode 100644
index 97eeb9e8fb2b..000000000000
--- a/arch/mips/emma/markeins/platform.c
+++ /dev/null
@@ -1,199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright(C) MontaVista Software Inc, 2006
- *
- * Author: dmitry pervushin <dpervushin@ru.mvista.com>
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/ioport.h>
-#include <linux/serial_8250.h>
-#include <linux/mtd/physmap.h>
-
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/addrspace.h>
-#include <asm/time.h>
-#include <asm/bcache.h>
-#include <asm/irq.h>
-#include <asm/reboot.h>
-#include <asm/traps.h>
-
-#include <asm/emma/emma2rh.h>
-
-
-#define I2C_EMMA2RH "emma2rh-iic" /* must be in sync with IIC driver */
-
-static struct resource i2c_emma_resources_0[] = {
- {
- .name = NULL,
- .start = EMMA2RH_IRQ_PIIC0,
- .end = EMMA2RH_IRQ_PIIC0,
- .flags = IORESOURCE_IRQ
- }, {
- .name = NULL,
- .start = EMMA2RH_PIIC0_BASE,
- .end = EMMA2RH_PIIC0_BASE + 0x1000,
- .flags = 0
- },
-};
-
-struct resource i2c_emma_resources_1[] = {
- {
- .name = NULL,
- .start = EMMA2RH_IRQ_PIIC1,
- .end = EMMA2RH_IRQ_PIIC1,
- .flags = IORESOURCE_IRQ
- }, {
- .name = NULL,
- .start = EMMA2RH_PIIC1_BASE,
- .end = EMMA2RH_PIIC1_BASE + 0x1000,
- .flags = 0
- },
-};
-
-struct resource i2c_emma_resources_2[] = {
- {
- .name = NULL,
- .start = EMMA2RH_IRQ_PIIC2,
- .end = EMMA2RH_IRQ_PIIC2,
- .flags = IORESOURCE_IRQ
- }, {
- .name = NULL,
- .start = EMMA2RH_PIIC2_BASE,
- .end = EMMA2RH_PIIC2_BASE + 0x1000,
- .flags = 0
- },
-};
-
-struct platform_device i2c_emma_devices[] = {
- [0] = {
- .name = I2C_EMMA2RH,
- .id = 0,
- .resource = i2c_emma_resources_0,
- .num_resources = ARRAY_SIZE(i2c_emma_resources_0),
- },
- [1] = {
- .name = I2C_EMMA2RH,
- .id = 1,
- .resource = i2c_emma_resources_1,
- .num_resources = ARRAY_SIZE(i2c_emma_resources_1),
- },
- [2] = {
- .name = I2C_EMMA2RH,
- .id = 2,
- .resource = i2c_emma_resources_2,
- .num_resources = ARRAY_SIZE(i2c_emma_resources_2),
- },
-};
-
-#define EMMA2RH_SERIAL_CLOCK 18544000
-#define EMMA2RH_SERIAL_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
-
-static struct plat_serial8250_port platform_serial_ports[] = {
- [0] = {
- .membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
- .mapbase = EMMA2RH_PFUR0_BASE + 3,
- .irq = EMMA2RH_IRQ_PFUR0,
- .uartclk = EMMA2RH_SERIAL_CLOCK,
- .regshift = 4,
- .iotype = UPIO_MEM,
- .flags = EMMA2RH_SERIAL_FLAGS,
- }, [1] = {
- .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
- .mapbase = EMMA2RH_PFUR1_BASE + 3,
- .irq = EMMA2RH_IRQ_PFUR1,
- .uartclk = EMMA2RH_SERIAL_CLOCK,
- .regshift = 4,
- .iotype = UPIO_MEM,
- .flags = EMMA2RH_SERIAL_FLAGS,
- }, [2] = {
- .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
- .mapbase = EMMA2RH_PFUR2_BASE + 3,
- .irq = EMMA2RH_IRQ_PFUR2,
- .uartclk = EMMA2RH_SERIAL_CLOCK,
- .regshift = 4,
- .iotype = UPIO_MEM,
- .flags = EMMA2RH_SERIAL_FLAGS,
- }, [3] = {
- .flags = 0,
- },
-};
-
-static struct platform_device serial_emma = {
- .name = "serial8250",
- .dev = {
- .platform_data = &platform_serial_ports,
- },
-};
-
-static struct mtd_partition markeins_parts[] = {
- [0] = {
- .name = "RootFS",
- .offset = 0x00000000,
- .size = 0x00c00000,
- },
- [1] = {
- .name = "boot code area",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x00100000,
- },
- [2] = {
- .name = "kernel image",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x00300000,
- },
- [3] = {
- .name = "RootFS2",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x00c00000,
- },
- [4] = {
- .name = "boot code area2",
- .offset = MTDPART_OFS_APPEND,
- .size = 0x00100000,
- },
- [5] = {
- .name = "kernel image2",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-static struct physmap_flash_data markeins_flash_data = {
- .width = 2,
- .nr_parts = ARRAY_SIZE(markeins_parts),
- .parts = markeins_parts
-};
-
-static struct resource markeins_flash_resource = {
- .start = 0x1e000000,
- .end = 0x02000000,
- .flags = IORESOURCE_MEM
-};
-
-static struct platform_device markeins_flash_device = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &markeins_flash_data,
- },
- .num_resources = 1,
- .resource = &markeins_flash_resource,
-};
-
-static struct platform_device *devices[] = {
- i2c_emma_devices,
- i2c_emma_devices + 1,
- i2c_emma_devices + 2,
- &serial_emma,
- &markeins_flash_device,
-};
-
-static int __init platform_devices_setup(void)
-{
- return platform_add_devices(devices, ARRAY_SIZE(devices));
-}
-
-arch_initcall(platform_devices_setup);
diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c
deleted file mode 100644
index c8a91c2a63bc..000000000000
--- a/arch/mips/emma/markeins/setup.c
+++ /dev/null
@@ -1,115 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/setup.c.
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/time.h>
-#include <asm/reboot.h>
-
-#include <asm/emma/emma2rh.h>
-
-#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
-
-extern void markeins_led(const char *);
-
-static int bus_frequency;
-
-static void markeins_machine_restart(char *command)
-{
- static void (*back_to_prom) (void) = (void (*)(void))0xbfc00000;
-
- printk("cannot EMMA2RH Mark-eins restart.\n");
- markeins_led("restart.");
- back_to_prom();
-}
-
-static void markeins_machine_halt(void)
-{
- printk("EMMA2RH Mark-eins halted.\n");
- markeins_led("halted.");
- while (1) ;
-}
-
-static void markeins_machine_power_off(void)
-{
- markeins_led("poweroff.");
- while (1) ;
-}
-
-static unsigned long __initdata emma2rh_clock[4] = {
- 166500000, 187312500, 199800000, 210600000
-};
-
-static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
-{
- u32 reg;
-
- /* detect from boot strap */
- reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
- reg = (reg >> 4) & 0x3;
-
- return emma2rh_clock[reg];
-}
-
-void __init plat_time_init(void)
-{
- u32 reg;
- if (bus_frequency == 0)
- bus_frequency = detect_bus_frequency(0);
-
- reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
- if ((reg & 0x3) == 0)
- reg = (reg >> 6) & 0x3;
- else {
- reg = emma2rh_in32(EMMA2RH_BHIF_MAIN_CTRL);
- reg = (reg >> 4) & 0x3;
- }
- mips_hpt_frequency = (bus_frequency * (4 + reg)) / 4 / 2;
-}
-
-static void markeins_board_init(void);
-extern void markeins_irq_setup(void);
-
-static inline void __init markeins_sio_setup(void)
-{
-}
-
-void __init plat_mem_setup(void)
-{
- /* initialize board - we don't trust the loader */
- markeins_board_init();
-
- set_io_port_base(KSEG1ADDR(EMMA2RH_PCI_IO_BASE));
-
- _machine_restart = markeins_machine_restart;
- _machine_halt = markeins_machine_halt;
- pm_power_off = markeins_machine_power_off;
-
- /* setup resource limits */
- ioport_resource.start = EMMA2RH_PCI_IO_BASE;
- ioport_resource.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1;
- iomem_resource.start = EMMA2RH_IO_BASE;
- iomem_resource.end = EMMA2RH_ROM_BASE - 1;
-
- markeins_sio_setup();
-}
-
-static void __init markeins_board_init(void)
-{
- u32 val;
-
- val = emma2rh_in32(EMMA2RH_PBRD_INT_EN); /* open serial interrupts. */
- emma2rh_out32(EMMA2RH_PBRD_INT_EN, val | 0xaa);
- val = emma2rh_in32(EMMA2RH_PBRD_CLKSEL); /* set serial clocks. */
- emma2rh_out32(EMMA2RH_PBRD_CLKSEL, val | 0x5); /* 18MHz */
- emma2rh_out32(EMMA2RH_PCI_CONTROL, 0);
-
- markeins_led("MVL E2RH");
-}
diff --git a/arch/mips/fw/cfe/cfe_api.c b/arch/mips/fw/cfe/cfe_api.c
index c020b29f561c..0c9c97ab291e 100644
--- a/arch/mips/fw/cfe/cfe_api.c
+++ b/arch/mips/fw/cfe/cfe_api.c
@@ -243,11 +243,6 @@ int cfe_getfwinfo(cfe_fwinfo_t * info)
info->fwi_bootarea_pa = xiocb.plist.xiocb_fwinfo.fwi_bootarea_pa;
info->fwi_bootarea_size =
xiocb.plist.xiocb_fwinfo.fwi_bootarea_size;
-#if 0
- info->fwi_reserved1 = xiocb.plist.xiocb_fwinfo.fwi_reserved1;
- info->fwi_reserved2 = xiocb.plist.xiocb_fwinfo.fwi_reserved2;
- info->fwi_reserved3 = xiocb.plist.xiocb_fwinfo.fwi_reserved3;
-#endif
return 0;
}
diff --git a/arch/mips/generic/Platform b/arch/mips/generic/Platform
index eaa19d189324..53c33cb72974 100644
--- a/arch/mips/generic/Platform
+++ b/arch/mips/generic/Platform
@@ -8,7 +8,6 @@
# option) any later version.
#
-platform-$(CONFIG_MIPS_GENERIC) += generic/
cflags-$(CONFIG_MIPS_GENERIC) += -I$(srctree)/arch/mips/include/asm/mach-generic
load-$(CONFIG_MIPS_GENERIC) += 0xffffffff80100000
all-$(CONFIG_MIPS_GENERIC) := vmlinux.gz.itb
diff --git a/arch/mips/include/asm/asm-eva.h b/arch/mips/include/asm/asm-eva.h
index d80be38c4144..e327ebc76753 100644
--- a/arch/mips/include/asm/asm-eva.h
+++ b/arch/mips/include/asm/asm-eva.h
@@ -180,7 +180,7 @@
#define user_ld(reg, addr) kernel_lw(reg, addr)
#else
#define user_sd(reg, addr) kernel_sd(reg, addr)
-#define user_ld(reg, addr) kernel_sd(reg, addr)
+#define user_ld(reg, addr) kernel_ld(reg, addr)
#endif /* CONFIG_32BIT */
#endif /* CONFIG_EVA */
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index c23527ba65d0..3682d1a0bb80 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -74,10 +74,15 @@ symbol: .insn
.globl symbol; \
symbol = value
-#define PANIC(msg) \
+#define TEXT(msg) \
+ .pushsection .data; \
+8: .asciiz msg; \
+ .popsection;
+
+#define ASM_PANIC(msg) \
.set push; \
.set reorder; \
- PTR_LA a0, 8f; \
+ PTR_LA a0, 8f; \
jal panic; \
9: b 9b; \
.set pop; \
@@ -87,22 +92,17 @@ symbol = value
* Print formatted string
*/
#ifdef CONFIG_PRINTK
-#define PRINT(string) \
+#define ASM_PRINT(string) \
.set push; \
.set reorder; \
- PTR_LA a0, 8f; \
+ PTR_LA a0, 8f; \
jal printk; \
.set pop; \
TEXT(string)
#else
-#define PRINT(string)
+#define ASM_PRINT(string)
#endif
-#define TEXT(msg) \
- .pushsection .data; \
-8: .asciiz msg; \
- .popsection;
-
/*
* Stack alignment
*/
@@ -202,7 +202,9 @@ symbol = value
#define LONG_SRA sra
#define LONG_SRAV srav
+#ifdef __ASSEMBLY__
#define LONG .word
+#endif
#define LONGSIZE 4
#define LONGMASK 3
#define LONGLOG 2
@@ -225,7 +227,9 @@ symbol = value
#define LONG_SRA dsra
#define LONG_SRAV dsrav
+#ifdef __ASSEMBLY__
#define LONG .dword
+#endif
#define LONGSIZE 8
#define LONGMASK 7
#define LONGLOG 3
diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h
index 655f40ddb6d1..86f2323ebe6b 100644
--- a/arch/mips/include/asm/asmmacro.h
+++ b/arch/mips/include/asm/asmmacro.h
@@ -44,7 +44,8 @@
.endm
#endif
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6)
.macro local_irq_enable reg=t0
ei
irq_enable_hazard
@@ -54,7 +55,7 @@
di
irq_disable_hazard
.endm
-#else
+#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
.macro local_irq_enable reg=t0
mfc0 \reg, CP0_STATUS
ori \reg, \reg, 1
@@ -79,7 +80,7 @@
sw \reg, TI_PRE_COUNT($28)
#endif
.endm
-#endif /* CONFIG_CPU_MIPSR2 */
+#endif /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
.macro fpu_save_16even thread tmp=t0
.set push
@@ -131,7 +132,7 @@
.macro fpu_save_double thread status tmp
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
sll \tmp, \status, 5
bgez \tmp, 10f
fpu_save_16odd \thread
@@ -190,7 +191,7 @@
.macro fpu_restore_double thread status tmp
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
sll \tmp, \status, 5
bgez \tmp, 10f # 16 register mode?
@@ -200,16 +201,17 @@
fpu_restore_16even \thread \tmp
.endm
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6)
.macro _EXT rd, rs, p, s
ext \rd, \rs, \p, \s
.endm
-#else /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
+#else /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
.macro _EXT rd, rs, p, s
srl \rd, \rs, \p
andi \rd, \rd, (1 << \s) - 1
.endm
-#endif /* !CONFIG_CPU_MIPSR2 || !CONFIG_CPU_MIPSR6 */
+#endif /* !CONFIG_CPU_MIPSR2 && !CONFIG_CPU_MIPSR5 && !CONFIG_CPU_MIPSR6 */
/*
* Temporary until all gas have MT ASE support
diff --git a/arch/mips/include/asm/bootinfo.h b/arch/mips/include/asm/bootinfo.h
index 61727785a247..c3bd9b2d66e4 100644
--- a/arch/mips/include/asm/bootinfo.h
+++ b/arch/mips/include/asm/bootinfo.h
@@ -42,17 +42,6 @@
#define MACH_DS5900 10 /* DECsystem 5900 */
/*
- * Valid machtype for group PMC-MSP
- */
-#define MACH_MSP4200_EVAL 0 /* PMC-Sierra MSP4200 Evaluation */
-#define MACH_MSP4200_GW 1 /* PMC-Sierra MSP4200 Gateway demo */
-#define MACH_MSP4200_FPGA 2 /* PMC-Sierra MSP4200 Emulation */
-#define MACH_MSP7120_EVAL 3 /* PMC-Sierra MSP7120 Evaluation */
-#define MACH_MSP7120_GW 4 /* PMC-Sierra MSP7120 Residential GW */
-#define MACH_MSP7120_FPGA 5 /* PMC-Sierra MSP7120 Emulation */
-#define MACH_MSP_OTHER 255 /* PMC-Sierra unknown board type */
-
-/*
* Valid machtype for group Mikrotik
*/
#define MACH_MIKROTIK_RB532 0 /* Mikrotik RouterBoard 532 */
@@ -121,7 +110,7 @@ extern unsigned long fw_passed_dtb;
#endif
/*
- * Platform memory detection hook called by setup_arch
+ * Platform memory detection hook called by arch_mem_init()
*/
extern void plat_mem_setup(void);
diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h
index da80878f2c0d..fa3dcbf56fa9 100644
--- a/arch/mips/include/asm/branch.h
+++ b/arch/mips/include/asm/branch.h
@@ -27,6 +27,9 @@ extern int __MIPS16e_compute_return_epc(struct pt_regs *regs);
#define MM_POOL32A_MINOR_SHIFT 0x6
#define MM_MIPS32_COND_FC 0x30
+int isBranchInstr(struct pt_regs *regs,
+ struct mm_decoded_insn dec_insn, unsigned long *contpc);
+
extern int __mm_isBranchInstr(struct pt_regs *regs,
struct mm_decoded_insn dec_insn, unsigned long *contpc);
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index 8031fbc6b69a..50253efecb56 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -48,7 +48,7 @@
* R4000-specific cacheops
*/
#define Create_Dirty_Excl_D (Cache_D | 0x0c)
-#define Fill (Cache_I | 0x14)
+#define Fill_I (Cache_I | 0x14)
#define Hit_Writeback_I (Cache_I | Hit_Writeback)
#define Hit_Writeback_D (Cache_D | Hit_Writeback)
diff --git a/arch/mips/include/asm/clock.h b/arch/mips/include/asm/clock.h
deleted file mode 100644
index 5a8f96ebe5fa..000000000000
--- a/arch/mips/include/asm/clock.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_MIPS_CLOCK_H
-#define __ASM_MIPS_CLOCK_H
-
-#include <linux/kref.h>
-#include <linux/list.h>
-#include <linux/seq_file.h>
-#include <linux/clk.h>
-
-struct clk;
-
-struct clk_ops {
- void (*init) (struct clk *clk);
- void (*enable) (struct clk *clk);
- void (*disable) (struct clk *clk);
- void (*recalc) (struct clk *clk);
- int (*set_rate) (struct clk *clk, unsigned long rate, int algo_id);
- long (*round_rate) (struct clk *clk, unsigned long rate);
-};
-
-struct clk {
- struct list_head node;
- const char *name;
- int id;
- struct module *owner;
-
- struct clk *parent;
- struct clk_ops *ops;
-
- struct kref kref;
-
- unsigned long rate;
- unsigned long flags;
-};
-
-#define CLK_ALWAYS_ENABLED (1 << 0)
-#define CLK_RATE_PROPAGATES (1 << 1)
-
-int clk_init(void);
-
-int __clk_enable(struct clk *);
-void __clk_disable(struct clk *);
-
-void clk_recalc_rate(struct clk *);
-
-int clk_register(struct clk *);
-void clk_unregister(struct clk *);
-
-#endif /* __ASM_MIPS_CLOCK_H */
diff --git a/arch/mips/include/asm/compiler.h b/arch/mips/include/asm/compiler.h
index f77e99f1722e..a2cb2d2b1c07 100644
--- a/arch/mips/include/asm/compiler.h
+++ b/arch/mips/include/asm/compiler.h
@@ -57,6 +57,11 @@
#define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL
#define MIPS_ISA_LEVEL_RAW mips64r6
#define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW
+#elif defined(CONFIG_CPU_MIPSR5)
+#define MIPS_ISA_LEVEL "mips64r5"
+#define MIPS_ISA_ARCH_LEVEL MIPS_ISA_LEVEL
+#define MIPS_ISA_LEVEL_RAW mips64r5
+#define MIPS_ISA_ARCH_LEVEL_RAW MIPS_ISA_LEVEL_RAW
#else
/* MIPS64 is a superset of MIPS32 */
#define MIPS_ISA_LEVEL "mips64r2"
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index de44c92b1c1f..caecbae4b599 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -284,14 +284,23 @@
#ifndef cpu_has_mips32r2
# define cpu_has_mips32r2 __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M32R2)
#endif
+#ifndef cpu_has_mips32r5
+# define cpu_has_mips32r5 __isa_range_or_flag(5, 6, MIPS_CPU_ISA_M32R5)
+#endif
#ifndef cpu_has_mips32r6
# define cpu_has_mips32r6 __isa_ge_or_flag(6, MIPS_CPU_ISA_M32R6)
#endif
#ifndef cpu_has_mips64r1
-# define cpu_has_mips64r1 __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M64R1)
+# define cpu_has_mips64r1 (cpu_has_64bits && \
+ __isa_range_or_flag(1, 6, MIPS_CPU_ISA_M64R1))
#endif
#ifndef cpu_has_mips64r2
-# define cpu_has_mips64r2 __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M64R2)
+# define cpu_has_mips64r2 (cpu_has_64bits && \
+ __isa_range_or_flag(2, 6, MIPS_CPU_ISA_M64R2))
+#endif
+#ifndef cpu_has_mips64r5
+# define cpu_has_mips64r5 (cpu_has_64bits && \
+ __isa_range_or_flag(5, 6, MIPS_CPU_ISA_M64R5))
#endif
#ifndef cpu_has_mips64r6
# define cpu_has_mips64r6 __isa_ge_and_flag(6, MIPS_CPU_ISA_M64R6)
@@ -313,19 +322,25 @@
(cpu_has_mips_3 | cpu_has_mips_4_5_64_r2_r6)
#define cpu_has_mips_4_5_64_r2_r6 \
(cpu_has_mips_4_5 | cpu_has_mips64r1 | \
- cpu_has_mips_r2 | cpu_has_mips_r6)
+ cpu_has_mips_r2 | cpu_has_mips_r5 | \
+ cpu_has_mips_r6)
-#define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | cpu_has_mips32r6)
-#define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | cpu_has_mips64r6)
+#define cpu_has_mips32 (cpu_has_mips32r1 | cpu_has_mips32r2 | \
+ cpu_has_mips32r5 | cpu_has_mips32r6)
+#define cpu_has_mips64 (cpu_has_mips64r1 | cpu_has_mips64r2 | \
+ cpu_has_mips64r5 | cpu_has_mips64r6)
#define cpu_has_mips_r1 (cpu_has_mips32r1 | cpu_has_mips64r1)
#define cpu_has_mips_r2 (cpu_has_mips32r2 | cpu_has_mips64r2)
+#define cpu_has_mips_r5 (cpu_has_mips32r5 | cpu_has_mips64r5)
#define cpu_has_mips_r6 (cpu_has_mips32r6 | cpu_has_mips64r6)
#define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \
- cpu_has_mips32r6 | cpu_has_mips64r1 | \
- cpu_has_mips64r2 | cpu_has_mips64r6)
+ cpu_has_mips32r5 | cpu_has_mips32r6 | \
+ cpu_has_mips64r1 | cpu_has_mips64r2 | \
+ cpu_has_mips64r5 | cpu_has_mips64r6)
-/* MIPSR2 and MIPSR6 have a lot of similarities */
-#define cpu_has_mips_r2_r6 (cpu_has_mips_r2 | cpu_has_mips_r6)
+/* MIPSR2 - MIPSR6 have a lot of similarities */
+#define cpu_has_mips_r2_r6 (cpu_has_mips_r2 | cpu_has_mips_r5 | \
+ cpu_has_mips_r6)
/*
* cpu_has_mips_r2_exec_hazard - return if IHB is required on current processor
@@ -435,9 +450,6 @@
# ifndef cpu_has_64bit_gp_regs
# define cpu_has_64bit_gp_regs 0
# endif
-# ifndef cpu_has_64bit_addresses
-# define cpu_has_64bit_addresses 0
-# endif
# ifndef cpu_vmbits
# define cpu_vmbits 31
# endif
@@ -456,9 +468,6 @@
# ifndef cpu_has_64bit_gp_regs
# define cpu_has_64bit_gp_regs 1
# endif
-# ifndef cpu_has_64bit_addresses
-# define cpu_has_64bit_addresses 1
-# endif
# ifndef cpu_vmbits
# define cpu_vmbits cpu_data[0].vmbits
# define __NEED_VMBITS_PROBE
@@ -620,6 +629,14 @@
# endif
#endif
+#ifndef cpu_has_mm_sysad
+# define cpu_has_mm_sysad __opt(MIPS_CPU_MM_SYSAD)
+#endif
+
+#ifndef cpu_has_mm_full
+# define cpu_has_mm_full __opt(MIPS_CPU_MM_FULL)
+#endif
+
/*
* Guest capabilities
*/
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index ed7ffe4e63a3..a600670d00e9 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -105,6 +105,15 @@ struct cpuinfo_mips {
unsigned int gtoffset_mask;
unsigned int guestid_mask;
unsigned int guestid_cache;
+
+#ifdef CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION
+ /* CPUCFG data for this CPU, synthesized at probe time.
+ *
+ * CPUCFG select 0 is PRId, 4 and above are unimplemented for now.
+ * So the only stored values are for CPUCFG selects 1-3 inclusive.
+ */
+ u32 loongson3_cpucfg_data[3];
+#endif
} __attribute__((aligned(SMP_CACHE_BYTES)));
extern struct cpuinfo_mips cpu_data[];
@@ -142,7 +151,7 @@ struct proc_cpuinfo_notifier_args {
static inline unsigned int cpu_cluster(struct cpuinfo_mips *cpuinfo)
{
/* Optimisation for systems where multiple clusters aren't used */
- if (!IS_ENABLED(CONFIG_CPU_MIPSR6))
+ if (!IS_ENABLED(CONFIG_CPU_MIPSR5) && !IS_ENABLED(CONFIG_CPU_MIPSR6))
return 0;
return (cpuinfo->globalnumber & MIPS_GLOBALNUMBER_CLUSTER) >>
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index 49f0061a6051..75a7a382da09 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -51,13 +51,18 @@ static inline int __pure __get_cpu_type(const int cpu_type)
case CPU_M14KEC:
case CPU_INTERAPTIV:
case CPU_PROAPTIV:
- case CPU_P5600:
+#endif
+
+#ifdef CONFIG_SYS_HAS_CPU_MIPS32_R5
case CPU_M5150:
+ case CPU_P5600:
#endif
#if defined(CONFIG_SYS_HAS_CPU_MIPS32_R2) || \
+ defined(CONFIG_SYS_HAS_CPU_MIPS32_R5) || \
defined(CONFIG_SYS_HAS_CPU_MIPS32_R6) || \
defined(CONFIG_SYS_HAS_CPU_MIPS64_R2) || \
+ defined(CONFIG_SYS_HAS_CPU_MIPS64_R5) || \
defined(CONFIG_SYS_HAS_CPU_MIPS64_R6)
case CPU_QEMU_GENERIC:
#endif
diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 216a22916740..104a509312b3 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -250,6 +250,10 @@
#define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */
#define PRID_REV_LOONGSON2E 0x0002
#define PRID_REV_LOONGSON2F 0x0003
+#define PRID_REV_LOONGSON2K_R1_0 0x0000
+#define PRID_REV_LOONGSON2K_R1_1 0x0001
+#define PRID_REV_LOONGSON2K_R1_2 0x0002
+#define PRID_REV_LOONGSON2K_R1_3 0x0003
#define PRID_REV_LOONGSON3A_R1 0x0005
#define PRID_REV_LOONGSON3B_R1 0x0006
#define PRID_REV_LOONGSON3B_R2 0x0007
@@ -343,14 +347,16 @@ enum cpu_type_enum {
#define MIPS_CPU_ISA_M32R2 0x00000020
#define MIPS_CPU_ISA_M64R1 0x00000040
#define MIPS_CPU_ISA_M64R2 0x00000080
-#define MIPS_CPU_ISA_M32R6 0x00000100
-#define MIPS_CPU_ISA_M64R6 0x00000200
+#define MIPS_CPU_ISA_M32R5 0x00000100
+#define MIPS_CPU_ISA_M64R5 0x00000200
+#define MIPS_CPU_ISA_M32R6 0x00000400
+#define MIPS_CPU_ISA_M64R6 0x00000800
#define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_II | MIPS_CPU_ISA_M32R1 | \
- MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R6)
+ MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M32R6)
#define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2 | \
- MIPS_CPU_ISA_M64R6)
+ MIPS_CPU_ISA_M64R5 | MIPS_CPU_ISA_M64R6)
/*
* CPU Option encodings
@@ -416,7 +422,9 @@ enum cpu_type_enum {
#define MIPS_CPU_MT_PER_TC_PERF_COUNTERS \
BIT_ULL(56) /* CPU has perf counters implemented per TC (MIPSMT ASE) */
#define MIPS_CPU_MMID BIT_ULL(57) /* CPU supports MemoryMapIDs */
-#define MIPS_CPU_MAC_2008_ONLY BIT_ULL(58) /* CPU Only support MAC2008 Fused multiply-add instruction */
+#define MIPS_CPU_MM_SYSAD BIT_ULL(58) /* CPU supports write-through SysAD Valid merge */
+#define MIPS_CPU_MM_FULL BIT_ULL(59) /* CPU supports write-through full merge */
+#define MIPS_CPU_MAC_2008_ONLY BIT_ULL(60) /* CPU Only support MAC2008 Fused multiply-add instruction */
/*
* CPU ASE encodings
diff --git a/arch/mips/include/asm/emma/emma2rh.h b/arch/mips/include/asm/emma/emma2rh.h
deleted file mode 100644
index a25cdb378fe8..000000000000
--- a/arch/mips/include/asm/emma/emma2rh.h
+++ /dev/null
@@ -1,248 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) NEC Electronics Corporation 2005-2006
- *
- * This file based on include/asm-mips/ddb5xxx/ddb5xxx.h
- * Copyright 2001 MontaVista Software Inc.
- */
-#ifndef __ASM_EMMA_EMMA2RH_H
-#define __ASM_EMMA_EMMA2RH_H
-
-#include <irq.h>
-
-/*
- * EMMA2RH registers
- */
-#define REGBASE 0x10000000
-
-#define EMMA2RH_BHIF_STRAP_0 (0x000010+REGBASE)
-#define EMMA2RH_BHIF_INT_ST_0 (0x000030+REGBASE)
-#define EMMA2RH_BHIF_INT_ST_1 (0x000034+REGBASE)
-#define EMMA2RH_BHIF_INT_ST_2 (0x000038+REGBASE)
-#define EMMA2RH_BHIF_INT_EN_0 (0x000040+REGBASE)
-#define EMMA2RH_BHIF_INT_EN_1 (0x000044+REGBASE)
-#define EMMA2RH_BHIF_INT_EN_2 (0x000048+REGBASE)
-#define EMMA2RH_BHIF_INT1_EN_0 (0x000050+REGBASE)
-#define EMMA2RH_BHIF_INT1_EN_1 (0x000054+REGBASE)
-#define EMMA2RH_BHIF_INT1_EN_2 (0x000058+REGBASE)
-#define EMMA2RH_BHIF_SW_INT (0x000070+REGBASE)
-#define EMMA2RH_BHIF_SW_INT_EN (0x000080+REGBASE)
-#define EMMA2RH_BHIF_SW_INT_CLR (0x000090+REGBASE)
-#define EMMA2RH_BHIF_MAIN_CTRL (0x0000b4+REGBASE)
-#define EMMA2RH_BHIF_EXCEPT_VECT_BASE_ADDRESS (0x0000c0+REGBASE)
-#define EMMA2RH_GPIO_DIR (0x110d20+REGBASE)
-#define EMMA2RH_GPIO_INT_ST (0x110d30+REGBASE)
-#define EMMA2RH_GPIO_INT_MASK (0x110d3c+REGBASE)
-#define EMMA2RH_GPIO_INT_MODE (0x110d48+REGBASE)
-#define EMMA2RH_GPIO_INT_CND_A (0x110d54+REGBASE)
-#define EMMA2RH_GPIO_INT_CND_B (0x110d60+REGBASE)
-#define EMMA2RH_PBRD_INT_EN (0x100010+REGBASE)
-#define EMMA2RH_PBRD_CLKSEL (0x100028+REGBASE)
-#define EMMA2RH_PFUR0_BASE (0x101000+REGBASE)
-#define EMMA2RH_PFUR1_BASE (0x102000+REGBASE)
-#define EMMA2RH_PFUR2_BASE (0x103000+REGBASE)
-#define EMMA2RH_PIIC0_BASE (0x107000+REGBASE)
-#define EMMA2RH_PIIC1_BASE (0x108000+REGBASE)
-#define EMMA2RH_PIIC2_BASE (0x109000+REGBASE)
-#define EMMA2RH_PCI_CONTROL (0x200000+REGBASE)
-#define EMMA2RH_PCI_ARBIT_CTR (0x200004+REGBASE)
-#define EMMA2RH_PCI_IWIN0_CTR (0x200010+REGBASE)
-#define EMMA2RH_PCI_IWIN1_CTR (0x200014+REGBASE)
-#define EMMA2RH_PCI_INIT_ESWP (0x200018+REGBASE)
-#define EMMA2RH_PCI_INT (0x200020+REGBASE)
-#define EMMA2RH_PCI_INT_EN (0x200024+REGBASE)
-#define EMMA2RH_PCI_TWIN_CTR (0x200030+REGBASE)
-#define EMMA2RH_PCI_TWIN_BADR (0x200034+REGBASE)
-#define EMMA2RH_PCI_TWIN0_DADR (0x200038+REGBASE)
-#define EMMA2RH_PCI_TWIN1_DADR (0x20003c+REGBASE)
-
-/*
- * Memory map (physical address)
- *
- * Note most of the following address must be properly aligned by the
- * corresponding size. For example, if PCI_IO_SIZE is 16MB, then
- * PCI_IO_BASE must be aligned along 16MB boundary.
- */
-
-/* the actual ram size is detected at run-time */
-#define EMMA2RH_RAM_BASE 0x00000000
-#define EMMA2RH_RAM_SIZE 0x10000000 /* less than 256MB */
-
-#define EMMA2RH_IO_BASE 0x10000000
-#define EMMA2RH_IO_SIZE 0x01000000 /* 16 MB */
-
-#define EMMA2RH_GENERALIO_BASE 0x11000000
-#define EMMA2RH_GENERALIO_SIZE 0x01000000 /* 16 MB */
-
-#define EMMA2RH_PCI_IO_BASE 0x12000000
-#define EMMA2RH_PCI_IO_SIZE 0x02000000 /* 32 MB */
-
-#define EMMA2RH_PCI_MEM_BASE 0x14000000
-#define EMMA2RH_PCI_MEM_SIZE 0x08000000 /* 128 MB */
-
-#define EMMA2RH_ROM_BASE 0x1c000000
-#define EMMA2RH_ROM_SIZE 0x04000000 /* 64 MB */
-
-#define EMMA2RH_PCI_CONFIG_BASE EMMA2RH_PCI_IO_BASE
-#define EMMA2RH_PCI_CONFIG_SIZE EMMA2RH_PCI_IO_SIZE
-
-#define NUM_EMMA2RH_IRQ 96
-
-#define EMMA2RH_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8)
-
-/*
- * emma2rh irq defs
- */
-
-#define EMMA2RH_IRQ_INT(n) (EMMA2RH_IRQ_BASE + (n))
-
-#define EMMA2RH_IRQ_PFUR0 EMMA2RH_IRQ_INT(49)
-#define EMMA2RH_IRQ_PFUR1 EMMA2RH_IRQ_INT(50)
-#define EMMA2RH_IRQ_PFUR2 EMMA2RH_IRQ_INT(51)
-#define EMMA2RH_IRQ_PIIC0 EMMA2RH_IRQ_INT(56)
-#define EMMA2RH_IRQ_PIIC1 EMMA2RH_IRQ_INT(57)
-#define EMMA2RH_IRQ_PIIC2 EMMA2RH_IRQ_INT(58)
-
-/*
- * EMMA2RH Register Access
- */
-
-#define EMMA2RH_BASE (0xa0000000)
-
-static inline void emma2rh_sync(void)
-{
- volatile u32 *p = (volatile u32 *)0xbfc00000;
- (void)(*p);
-}
-
-static inline void emma2rh_out32(u32 offset, u32 val)
-{
- *(volatile u32 *)(EMMA2RH_BASE | offset) = val;
- emma2rh_sync();
-}
-
-static inline u32 emma2rh_in32(u32 offset)
-{
- u32 val = *(volatile u32 *)(EMMA2RH_BASE | offset);
- return val;
-}
-
-static inline void emma2rh_out16(u32 offset, u16 val)
-{
- *(volatile u16 *)(EMMA2RH_BASE | offset) = val;
- emma2rh_sync();
-}
-
-static inline u16 emma2rh_in16(u32 offset)
-{
- u16 val = *(volatile u16 *)(EMMA2RH_BASE | offset);
- return val;
-}
-
-static inline void emma2rh_out8(u32 offset, u8 val)
-{
- *(volatile u8 *)(EMMA2RH_BASE | offset) = val;
- emma2rh_sync();
-}
-
-static inline u8 emma2rh_in8(u32 offset)
-{
- u8 val = *(volatile u8 *)(EMMA2RH_BASE | offset);
- return val;
-}
-
-/**
- * IIC registers map
- **/
-
-/*---------------------------------------------------------------------------*/
-/* CNT - Control register (00H R/W) */
-/*---------------------------------------------------------------------------*/
-#define SPT 0x00000001
-#define STT 0x00000002
-#define ACKE 0x00000004
-#define WTIM 0x00000008
-#define SPIE 0x00000010
-#define WREL 0x00000020
-#define LREL 0x00000040
-#define IICE 0x00000080
-#define CNT_RESERVED 0x000000ff /* reserved bit 0 */
-
-#define I2C_EMMA_START (IICE | STT)
-#define I2C_EMMA_STOP (IICE | SPT)
-#define I2C_EMMA_REPSTART I2C_EMMA_START
-
-/*---------------------------------------------------------------------------*/
-/* STA - Status register (10H Read) */
-/*---------------------------------------------------------------------------*/
-#define MSTS 0x00000080
-#define ALD 0x00000040
-#define EXC 0x00000020
-#define COI 0x00000010
-#define TRC 0x00000008
-#define ACKD 0x00000004
-#define STD 0x00000002
-#define SPD 0x00000001
-
-/*---------------------------------------------------------------------------*/
-/* CSEL - Clock select register (20H R/W) */
-/*---------------------------------------------------------------------------*/
-#define FCL 0x00000080
-#define ND50 0x00000040
-#define CLD 0x00000020
-#define DAD 0x00000010
-#define SMC 0x00000008
-#define DFC 0x00000004
-#define CL 0x00000003
-#define CSEL_RESERVED 0x000000ff /* reserved bit 0 */
-
-#define FAST397 0x0000008b
-#define FAST297 0x0000008a
-#define FAST347 0x0000000b
-#define FAST260 0x0000000a
-#define FAST130 0x00000008
-#define STANDARD108 0x00000083
-#define STANDARD83 0x00000082
-#define STANDARD95 0x00000003
-#define STANDARD73 0x00000002
-#define STANDARD36 0x00000001
-#define STANDARD71 0x00000000
-
-/*---------------------------------------------------------------------------*/
-/* SVA - Slave address register (30H R/W) */
-/*---------------------------------------------------------------------------*/
-#define SVA 0x000000fe
-
-/*---------------------------------------------------------------------------*/
-/* SHR - Shift register (40H R/W) */
-/*---------------------------------------------------------------------------*/
-#define SR 0x000000ff
-
-/*---------------------------------------------------------------------------*/
-/* INT - Interrupt register (50H R/W) */
-/* INTM - Interrupt mask register (60H R/W) */
-/*---------------------------------------------------------------------------*/
-#define INTE0 0x00000001
-
-/***********************************************************************
- * I2C registers
- ***********************************************************************
- */
-#define I2C_EMMA_CNT 0x00
-#define I2C_EMMA_STA 0x10
-#define I2C_EMMA_CSEL 0x20
-#define I2C_EMMA_SVA 0x30
-#define I2C_EMMA_SHR 0x40
-#define I2C_EMMA_INT 0x50
-#define I2C_EMMA_INTM 0x60
-
-/*
- * include the board dependent part
- */
-#ifdef CONFIG_NEC_MARKEINS
-#include <asm/emma/markeins.h>
-#else
-#error "Unknown EMMA2RH board!"
-#endif
-
-#endif /* __ASM_EMMA_EMMA2RH_H */
diff --git a/arch/mips/include/asm/emma/markeins.h b/arch/mips/include/asm/emma/markeins.h
deleted file mode 100644
index 2d7e1339d36f..000000000000
--- a/arch/mips/include/asm/emma/markeins.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) NEC Electronics Corporation 2005-2006
- *
- * This file based on include/asm-mips/ddb5xxx/ddb5xxx.h
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#ifndef MARKEINS_H
-#define MARKEINS_H
-
-#define NUM_EMMA2RH_IRQ_SW 32
-#define NUM_EMMA2RH_IRQ_GPIO 32
-
-#define EMMA2RH_SW_CASCADE (EMMA2RH_IRQ_INT(7) - EMMA2RH_IRQ_INT(0))
-#define EMMA2RH_GPIO_CASCADE (EMMA2RH_IRQ_INT(46) - EMMA2RH_IRQ_INT(0))
-
-#define EMMA2RH_SW_IRQ_BASE (EMMA2RH_IRQ_BASE + NUM_EMMA2RH_IRQ)
-#define EMMA2RH_GPIO_IRQ_BASE (EMMA2RH_SW_IRQ_BASE + NUM_EMMA2RH_IRQ_SW)
-
-#define EMMA2RH_SW_IRQ_INT(n) (EMMA2RH_SW_IRQ_BASE + (n))
-
-#define MARKEINS_PCI_IRQ_INTA EMMA2RH_GPIO_IRQ_BASE+15
-#define MARKEINS_PCI_IRQ_INTB EMMA2RH_GPIO_IRQ_BASE+16
-#define MARKEINS_PCI_IRQ_INTC EMMA2RH_GPIO_IRQ_BASE+17
-#define MARKEINS_PCI_IRQ_INTD EMMA2RH_GPIO_IRQ_BASE+18
-
-#endif /* CONFIG_MARKEINS */
diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h
index 9476e0498d59..08f9dd6903b7 100644
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -71,12 +71,12 @@ static inline int __enable_fpu(enum fpu_mode mode)
goto fr_common;
case FPU_64BIT:
-#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \
- || defined(CONFIG_64BIT))
+#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6) || defined(CONFIG_64BIT))
/* we only have a 32-bit FPU */
return SIGFPE;
#endif
- /* fall through */
+ fallthrough;
case FPU_32BIT:
if (cpu_has_fre) {
/* clear FRE */
diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h
index bb7c71ffe5b7..f67759e81210 100644
--- a/arch/mips/include/asm/fpu_emulator.h
+++ b/arch/mips/include/asm/fpu_emulator.h
@@ -172,10 +172,6 @@ void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
struct task_struct *tsk);
int process_fpemu_return(int sig, void __user *fault_addr,
unsigned long fcr31);
-int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
- unsigned long *contpc);
-int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
- unsigned long *contpc);
/*
* Mask the FCSR Cause bits according to the Enable bits, observing
diff --git a/arch/mips/include/asm/hazards.h b/arch/mips/include/asm/hazards.h
index a0b92205f933..f855478d12fa 100644
--- a/arch/mips/include/asm/hazards.h
+++ b/arch/mips/include/asm/hazards.h
@@ -22,8 +22,9 @@
/*
* TLB hazards
*/
-#if (defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)) && \
- !defined(CONFIG_CPU_CAVIUM_OCTEON) && !defined(CONFIG_CPU_LOONGSON64)
+#if (defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6)) && \
+ !defined(CONFIG_CPU_CAVIUM_OCTEON) && !defined(CONFIG_CPU_LOONGSON64)
/*
* MIPSR2 defines ehb for hazard avoidance
@@ -278,7 +279,8 @@ do { \
#define __disable_fpu_hazard
-#elif defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
+#elif defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6)
#define __enable_fpu_hazard \
___ehb
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h
index 425bb6fc3bda..10e3be870df7 100644
--- a/arch/mips/include/asm/hugetlb.h
+++ b/arch/mips/include/asm/hugetlb.h
@@ -11,13 +11,6 @@
#include <asm/page.h>
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len)
-{
- return 0;
-}
-
#define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE
static inline int prepare_hugepage_range(struct file *file,
unsigned long addr,
@@ -82,10 +75,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#include <asm-generic/hugetlb.h>
#endif /* __ASM_HUGETLB_H */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index cf1f2a4a2418..346fffd9e972 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -30,8 +30,6 @@
#include <asm/pgtable-bits.h>
#include <asm/processor.h>
#include <asm/string.h>
-
-#include <ioremap.h>
#include <mangle-port.h>
/*
@@ -153,66 +151,9 @@ static inline void *isa_bus_to_virt(unsigned long address)
*/
#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-extern void __iomem * __ioremap(phys_addr_t offset, phys_addr_t size, unsigned long flags);
-extern void __iounmap(const volatile void __iomem *addr);
-
-static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long size,
- unsigned long flags)
-{
- void __iomem *addr = plat_ioremap(offset, size, flags);
-
- if (addr)
- return addr;
-
-#define __IS_LOW512(addr) (!((phys_addr_t)(addr) & (phys_addr_t) ~0x1fffffffULL))
-
- if (cpu_has_64bit_addresses) {
- u64 base = UNCAC_BASE;
-
- /*
- * R10000 supports a 2 bit uncached attribute therefore
- * UNCAC_BASE may not equal IO_BASE.
- */
- if (flags == _CACHE_UNCACHED)
- base = (u64) IO_BASE;
- return (void __iomem *) (unsigned long) (base + offset);
- } else if (__builtin_constant_p(offset) &&
- __builtin_constant_p(size) && __builtin_constant_p(flags)) {
- phys_addr_t phys_addr, last_addr;
-
- phys_addr = fixup_bigphys_addr(offset, size);
-
- /* Don't allow wraparound or zero size. */
- last_addr = phys_addr + size - 1;
- if (!size || last_addr < phys_addr)
- return NULL;
-
- /*
- * Map uncached objects in the low 512MB of address
- * space using KSEG1.
- */
- if (__IS_LOW512(phys_addr) && __IS_LOW512(last_addr) &&
- flags == _CACHE_UNCACHED)
- return (void __iomem *)
- (unsigned long)CKSEG1ADDR(phys_addr);
- }
-
- return __ioremap(offset, size, flags);
-
-#undef __IS_LOW512
-}
-
-/*
- * ioremap_prot - map bus memory into CPU space
- * @offset: bus address of the memory
- * @size: size of the resource to map
-
- * ioremap_prot gives the caller control over cache coherency attributes (CCA)
- */
-static inline void __iomem *ioremap_prot(phys_addr_t offset,
- unsigned long size, unsigned long prot_val) {
- return __ioremap_mode(offset, size, prot_val & _CACHE_MASK);
-}
+void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
+ unsigned long prot_val);
+void iounmap(const volatile void __iomem *addr);
/*
* ioremap - map bus memory into CPU space
@@ -226,7 +167,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* address.
*/
#define ioremap(offset, size) \
- __ioremap_mode((offset), (size), _CACHE_UNCACHED)
+ ioremap_prot((offset), (size), _CACHE_UNCACHED)
#define ioremap_uc ioremap
/*
@@ -245,7 +186,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* memory-like regions on I/O busses.
*/
#define ioremap_cache(offset, size) \
- __ioremap_mode((offset), (size), _page_cachable_default)
+ ioremap_prot((offset), (size), _page_cachable_default)
/*
* ioremap_wc - map bus memory into CPU space
@@ -266,23 +207,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* _CACHE_UNCACHED option (see cpu_probe() method).
*/
#define ioremap_wc(offset, size) \
- __ioremap_mode((offset), (size), boot_cpu_data.writecombine)
-
-static inline void iounmap(const volatile void __iomem *addr)
-{
- if (plat_iounmap(addr))
- return;
-
-#define __IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
-
- if (cpu_has_64bit_addresses ||
- (__builtin_constant_p(addr) && __IS_KSEG1(addr)))
- return;
-
- __iounmap(addr);
-
-#undef __IS_KSEG1
-}
+ ioremap_prot((offset), (size), boot_cpu_data.writecombine)
#if defined(CONFIG_CPU_CAVIUM_OCTEON) || defined(CONFIG_CPU_LOONGSON64)
#define war_io_reorder_wmb() wmb()
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 2c343c346b79..e28b5a946e26 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -174,6 +174,8 @@ struct kvm_vcpu_stat {
#endif
u64 halt_successful_poll;
u64 halt_attempted_poll;
+ u64 halt_poll_success_ns;
+ u64 halt_poll_fail_ns;
u64 halt_poll_invalid;
u64 halt_wakeup;
};
diff --git a/arch/mips/include/asm/lasat/ds1603.h b/arch/mips/include/asm/lasat/ds1603.h
deleted file mode 100644
index ab833be9637d..000000000000
--- a/arch/mips/include/asm/lasat/ds1603.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <asm/addrspace.h>
-
-/* Lasat 100 */
-#define DS1603_REG_100 (KSEG1ADDR(0x1c810000))
-#define DS1603_RST_100 (1 << 2)
-#define DS1603_CLK_100 (1 << 0)
-#define DS1603_DATA_SHIFT_100 1
-#define DS1603_DATA_100 (1 << DS1603_DATA_SHIFT_100)
-
-/* Lasat 200 */
-#define DS1603_REG_200 (KSEG1ADDR(0x11000000))
-#define DS1603_RST_200 (1 << 3)
-#define DS1603_CLK_200 (1 << 4)
-#define DS1603_DATA_200 (1 << 5)
-
-#define DS1603_DATA_REG_200 (DS1603_REG_200 + 0x10000)
-#define DS1603_DATA_READ_SHIFT_200 9
-#define DS1603_DATA_READ_200 (1 << DS1603_DATA_READ_SHIFT_200)
diff --git a/arch/mips/include/asm/lasat/eeprom.h b/arch/mips/include/asm/lasat/eeprom.h
deleted file mode 100644
index 24001a5cbb11..000000000000
--- a/arch/mips/include/asm/lasat/eeprom.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <asm/addrspace.h>
-
-/* lasat 100 */
-#define AT93C_REG_100 KSEG1ADDR(0x1c810000)
-#define AT93C_RDATA_REG_100 AT93C_REG_100
-#define AT93C_RDATA_SHIFT_100 4
-#define AT93C_WDATA_SHIFT_100 4
-#define AT93C_CS_M_100 (1 << 5)
-#define AT93C_CLK_M_100 (1 << 3)
-
-/* lasat 200 */
-#define AT93C_REG_200 KSEG1ADDR(0x11000000)
-#define AT93C_RDATA_REG_200 (AT93C_REG_200+0x10000)
-#define AT93C_RDATA_SHIFT_200 8
-#define AT93C_WDATA_SHIFT_200 2
-#define AT93C_CS_M_200 (1 << 0)
-#define AT93C_CLK_M_200 (1 << 1)
diff --git a/arch/mips/include/asm/lasat/head.h b/arch/mips/include/asm/lasat/head.h
deleted file mode 100644
index 20b0ecedd4b5..000000000000
--- a/arch/mips/include/asm/lasat/head.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Image header stuff
- */
-#ifndef _HEAD_H
-#define _HEAD_H
-
-#define LASAT_K_MAGIC0_VAL 0xfedeabba
-#define LASAT_K_MAGIC1_VAL 0x00bedead
-
-#ifndef _LANGUAGE_ASSEMBLY
-#include <linux/types.h>
-struct bootloader_header {
- u32 magic[2];
- u32 version;
- u32 image_start;
- u32 image_size;
- u32 kernel_start;
- u32 kernel_entry;
-};
-#endif
-
-#endif /* _HEAD_H */
diff --git a/arch/mips/include/asm/lasat/lasat.h b/arch/mips/include/asm/lasat/lasat.h
deleted file mode 100644
index 483be606960d..000000000000
--- a/arch/mips/include/asm/lasat/lasat.h
+++ /dev/null
@@ -1,245 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * lasat.h
- *
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * Configuration for LASAT boards, loads the appropriate include files.
- */
-#ifndef _LASAT_H
-#define _LASAT_H
-
-#ifndef _LANGUAGE_ASSEMBLY
-
-extern struct lasat_misc {
- volatile u32 *reset_reg;
- volatile u32 *flash_wp_reg;
- u32 flash_wp_bit;
-} *lasat_misc;
-
-enum lasat_mtdparts {
- LASAT_MTD_BOOTLOADER,
- LASAT_MTD_SERVICE,
- LASAT_MTD_NORMAL,
- LASAT_MTD_CONFIG,
- LASAT_MTD_FS,
- LASAT_MTD_LAST
-};
-
-/*
- * The format of the data record in the EEPROM.
- * See the LASAT Hardware Configuration field specification for a detailed
- * description of the config field.
- */
-#include <linux/types.h>
-
-#define LASAT_EEPROM_VERSION 7
-struct lasat_eeprom_struct {
- unsigned int version;
- unsigned int cfg[3];
- unsigned char hwaddr[6];
- unsigned char print_partno[12];
- unsigned char term0;
- unsigned char print_serial[14];
- unsigned char term1;
- unsigned char prod_partno[12];
- unsigned char term2;
- unsigned char prod_serial[14];
- unsigned char term3;
- unsigned char passwd_hash[16];
- unsigned char pwdnull;
- unsigned char vendid;
- unsigned char ts_ref;
- unsigned char ts_signoff;
- unsigned char reserved[11];
- unsigned char debugaccess;
- unsigned short prid;
- unsigned int serviceflag;
- unsigned int ipaddr;
- unsigned int netmask;
- unsigned int crc32;
-};
-
-struct lasat_eeprom_struct_pre7 {
- unsigned int version;
- unsigned int flags[3];
- unsigned char hwaddr0[6];
- unsigned char hwaddr1[6];
- unsigned char print_partno[9];
- unsigned char term0;
- unsigned char print_serial[14];
- unsigned char term1;
- unsigned char prod_partno[9];
- unsigned char term2;
- unsigned char prod_serial[14];
- unsigned char term3;
- unsigned char passwd_hash[24];
- unsigned char pwdnull;
- unsigned char vendor;
- unsigned char ts_ref;
- unsigned char ts_signoff;
- unsigned char reserved[6];
- unsigned int writecount;
- unsigned int ipaddr;
- unsigned int netmask;
- unsigned int crc32;
-};
-
-/* Configuration descriptor encoding - see the doc for details */
-
-#define LASAT_W0_DSCTYPE(v) (((v)) & 0xf)
-#define LASAT_W0_BMID(v) (((v) >> 0x04) & 0xf)
-#define LASAT_W0_CPUTYPE(v) (((v) >> 0x08) & 0xf)
-#define LASAT_W0_BUSSPEED(v) (((v) >> 0x0c) & 0xf)
-#define LASAT_W0_CPUCLK(v) (((v) >> 0x10) & 0xf)
-#define LASAT_W0_SDRAMBANKSZ(v) (((v) >> 0x14) & 0xf)
-#define LASAT_W0_SDRAMBANKS(v) (((v) >> 0x18) & 0xf)
-#define LASAT_W0_L2CACHE(v) (((v) >> 0x1c) & 0xf)
-
-#define LASAT_W1_EDHAC(v) (((v)) & 0xf)
-#define LASAT_W1_HIFN(v) (((v) >> 0x04) & 0x1)
-#define LASAT_W1_ISDN(v) (((v) >> 0x05) & 0x1)
-#define LASAT_W1_IDE(v) (((v) >> 0x06) & 0x1)
-#define LASAT_W1_HDLC(v) (((v) >> 0x07) & 0x1)
-#define LASAT_W1_USVERSION(v) (((v) >> 0x08) & 0x1)
-#define LASAT_W1_4MACS(v) (((v) >> 0x09) & 0x1)
-#define LASAT_W1_EXTSERIAL(v) (((v) >> 0x0a) & 0x1)
-#define LASAT_W1_FLASHSIZE(v) (((v) >> 0x0c) & 0xf)
-#define LASAT_W1_PCISLOTS(v) (((v) >> 0x10) & 0xf)
-#define LASAT_W1_PCI1OPT(v) (((v) >> 0x14) & 0xf)
-#define LASAT_W1_PCI2OPT(v) (((v) >> 0x18) & 0xf)
-#define LASAT_W1_PCI3OPT(v) (((v) >> 0x1c) & 0xf)
-
-/* Routines specific to LASAT boards */
-
-#define LASAT_BMID_MASQUERADE2 0
-#define LASAT_BMID_MASQUERADEPRO 1
-#define LASAT_BMID_SAFEPIPE25 2
-#define LASAT_BMID_SAFEPIPE50 3
-#define LASAT_BMID_SAFEPIPE100 4
-#define LASAT_BMID_SAFEPIPE5000 5
-#define LASAT_BMID_SAFEPIPE7000 6
-#define LASAT_BMID_SAFEPIPE1000 7
-#if 0
-#define LASAT_BMID_SAFEPIPE30 7
-#define LASAT_BMID_SAFEPIPE5100 8
-#define LASAT_BMID_SAFEPIPE7100 9
-#endif
-#define LASAT_BMID_UNKNOWN 0xf
-#define LASAT_MAX_BMID_NAMES 9 /* no larger than 15! */
-
-#define LASAT_HAS_EDHAC (1 << 0)
-#define LASAT_EDHAC_FAST (1 << 1)
-#define LASAT_HAS_EADI (1 << 2)
-#define LASAT_HAS_HIFN (1 << 3)
-#define LASAT_HAS_ISDN (1 << 4)
-#define LASAT_HAS_LEASEDLINE_IF (1 << 5)
-#define LASAT_HAS_HDC (1 << 6)
-
-#define LASAT_PRID_MASQUERADE2 0
-#define LASAT_PRID_MASQUERADEPRO 1
-#define LASAT_PRID_SAFEPIPE25 2
-#define LASAT_PRID_SAFEPIPE50 3
-#define LASAT_PRID_SAFEPIPE100 4
-#define LASAT_PRID_SAFEPIPE5000 5
-#define LASAT_PRID_SAFEPIPE7000 6
-#define LASAT_PRID_SAFEPIPE30 7
-#define LASAT_PRID_SAFEPIPE5100 8
-#define LASAT_PRID_SAFEPIPE7100 9
-
-#define LASAT_PRID_SAFEPIPE1110 10
-#define LASAT_PRID_SAFEPIPE3020 11
-#define LASAT_PRID_SAFEPIPE3030 12
-#define LASAT_PRID_SAFEPIPE5020 13
-#define LASAT_PRID_SAFEPIPE5030 14
-#define LASAT_PRID_SAFEPIPE1120 15
-#define LASAT_PRID_SAFEPIPE1130 16
-#define LASAT_PRID_SAFEPIPE6010 17
-#define LASAT_PRID_SAFEPIPE6110 18
-#define LASAT_PRID_SAFEPIPE6210 19
-#define LASAT_PRID_SAFEPIPE1020 20
-#define LASAT_PRID_SAFEPIPE1040 21
-#define LASAT_PRID_SAFEPIPE1060 22
-
-struct lasat_info {
- unsigned int li_cpu_hz;
- unsigned int li_bus_hz;
- unsigned int li_bmid;
- unsigned int li_memsize;
- unsigned int li_flash_size;
- unsigned int li_prid;
- unsigned char li_bmstr[16];
- unsigned char li_namestr[32];
- unsigned char li_typestr[16];
- /* Info on the Flash layout */
- unsigned int li_flash_base;
- unsigned long li_flashpart_base[LASAT_MTD_LAST];
- unsigned long li_flashpart_size[LASAT_MTD_LAST];
- struct lasat_eeprom_struct li_eeprom_info;
- unsigned int li_eeprom_upgrade_version;
- unsigned int li_debugaccess;
-};
-
-extern struct lasat_info lasat_board_info;
-
-static inline unsigned long lasat_flash_partition_start(int partno)
-{
- if (partno < 0 || partno >= LASAT_MTD_LAST)
- return 0;
-
- return lasat_board_info.li_flashpart_base[partno];
-}
-
-static inline unsigned long lasat_flash_partition_size(int partno)
-{
- if (partno < 0 || partno >= LASAT_MTD_LAST)
- return 0;
-
- return lasat_board_info.li_flashpart_size[partno];
-}
-
-/* Called from setup() to initialize the global board_info struct */
-extern int lasat_init_board_info(void);
-
-/* Write the modified EEPROM info struct */
-extern void lasat_write_eeprom_info(void);
-
-#define N_MACHTYPES 2
-/* for calibration of delays */
-
-/* the lasat_ndelay function is necessary because it is used at an
- * early stage of the boot process where ndelay is not calibrated.
- * It is used for the bit-banging rtc and eeprom drivers */
-
-#include <linux/delay.h>
-#include <linux/smp.h>
-
-/* calculating with the slowest board with 100 MHz clock */
-#define LASAT_100_DIVIDER 20
-/* All 200's run at 250 MHz clock */
-#define LASAT_200_DIVIDER 8
-
-extern unsigned int lasat_ndelay_divider;
-
-static inline void lasat_ndelay(unsigned int ns)
-{
- __delay(ns / lasat_ndelay_divider);
-}
-
-#define IS_LASAT_200() (current_cpu_data.cputype == CPU_R5000)
-
-#endif /* !defined (_LANGUAGE_ASSEMBLY) */
-
-#define LASAT_SERVICEMODE_MAGIC_1 0xdeadbeef
-#define LASAT_SERVICEMODE_MAGIC_2 0xfedeabba
-
-/* Lasat 100 boards */
-#define LASAT_GT_BASE (KSEG1ADDR(0x14000000))
-
-/* Lasat 200 boards */
-#define Vrc5074_PHYS_BASE 0x1fa00000
-#define Vrc5074_BASE (KSEG1ADDR(Vrc5074_PHYS_BASE))
-#define PCI_WINDOW1 0x1a000000
-
-#endif /* _LASAT_H */
diff --git a/arch/mips/include/asm/lasat/lasatint.h b/arch/mips/include/asm/lasat/lasatint.h
deleted file mode 100644
index b2b346e0ca38..000000000000
--- a/arch/mips/include/asm/lasat/lasatint.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_LASAT_LASATINT_H
-#define __ASM_LASAT_LASATINT_H
-
-/* lasat 100 */
-#define LASAT_INT_STATUS_REG_100 (KSEG1ADDR(0x1c880000))
-#define LASAT_INT_MASK_REG_100 (KSEG1ADDR(0x1c890000))
-#define LASATINT_MASK_SHIFT_100 0
-
-/* lasat 200 */
-#define LASAT_INT_STATUS_REG_200 (KSEG1ADDR(0x1104003c))
-#define LASAT_INT_MASK_REG_200 (KSEG1ADDR(0x1104003c))
-#define LASATINT_MASK_SHIFT_200 16
-
-#endif /* __ASM_LASAT_LASATINT_H */
diff --git a/arch/mips/include/asm/lasat/picvue.h b/arch/mips/include/asm/lasat/picvue.h
deleted file mode 100644
index 99987c5a4b83..000000000000
--- a/arch/mips/include/asm/lasat/picvue.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* Lasat 100 */
-#define PVC_REG_100 KSEG1ADDR(0x1c820000)
-#define PVC_DATA_SHIFT_100 0
-#define PVC_DATA_M_100 0xFF
-#define PVC_E_100 (1 << 8)
-#define PVC_RW_100 (1 << 9)
-#define PVC_RS_100 (1 << 10)
-
-/* Lasat 200 */
-#define PVC_REG_200 KSEG1ADDR(0x11000000)
-#define PVC_DATA_SHIFT_200 24
-#define PVC_DATA_M_200 (0xFF << PVC_DATA_SHIFT_200)
-#define PVC_E_200 (1 << 16)
-#define PVC_RW_200 (1 << 17)
-#define PVC_RS_200 (1 << 18)
diff --git a/arch/mips/include/asm/lasat/serial.h b/arch/mips/include/asm/lasat/serial.h
deleted file mode 100644
index 7b43d74089d1..000000000000
--- a/arch/mips/include/asm/lasat/serial.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <asm/lasat/lasat.h>
-
-/* Lasat 100 boards serial configuration */
-#define LASAT_BASE_BAUD_100 (7372800 / 16)
-#define LASAT_UART_REGS_BASE_100 0x1c8b0000
-#define LASAT_UART_REGS_SHIFT_100 2
-#define LASATINT_UART_100 16
-
-/* * LASAT 200 boards serial configuration */
-#define LASAT_BASE_BAUD_200 (100000000 / 16 / 12)
-#define LASAT_UART_REGS_BASE_200 (Vrc5074_PHYS_BASE + 0x0300)
-#define LASAT_UART_REGS_SHIFT_200 3
-#define LASATINT_UART_200 21
diff --git a/arch/mips/include/asm/maar.h b/arch/mips/include/asm/maar.h
index 6908b93c4ff9..99f1c3e4b11f 100644
--- a/arch/mips/include/asm/maar.h
+++ b/arch/mips/include/asm/maar.h
@@ -32,7 +32,7 @@ unsigned platform_maar_init(unsigned num_pairs);
* @upper: The highest address that the MAAR pair will affect. Must be
* aligned to one byte before a 2^16 byte boundary.
* @attrs: The accessibility attributes to program, eg. MIPS_MAAR_S. The
- * MIPS_MAAR_VL attribute will automatically be set.
+ * MIPS_MAAR_VL/MIPS_MAAR_VH attributes will automatically be set.
*
* Program the pair of MAAR registers specified by idx to apply the attributes
* specified by attrs to the range of addresses from lower to higher.
@@ -48,17 +48,30 @@ static inline void write_maar_pair(unsigned idx, phys_addr_t lower,
/* Automatically set MIPS_MAAR_VL */
attrs |= MIPS_MAAR_VL;
- /* Write the upper address & attributes (only MIPS_MAAR_VL matters) */
+ /*
+ * Write the upper address & attributes (both MIPS_MAAR_VL and
+ * MIPS_MAAR_VH matter)
+ */
write_c0_maari(idx << 1);
back_to_back_c0_hazard();
write_c0_maar(((upper >> 4) & MIPS_MAAR_ADDR) | attrs);
back_to_back_c0_hazard();
+#ifdef CONFIG_XPA
+ upper >>= MIPS_MAARX_ADDR_SHIFT;
+ writex_c0_maar(((upper >> 4) & MIPS_MAARX_ADDR) | MIPS_MAARX_VH);
+ back_to_back_c0_hazard();
+#endif
/* Write the lower address & attributes */
write_c0_maari((idx << 1) | 0x1);
back_to_back_c0_hazard();
write_c0_maar((lower >> 4) | attrs);
back_to_back_c0_hazard();
+#ifdef CONFIG_XPA
+ lower >>= MIPS_MAARX_ADDR_SHIFT;
+ writex_c0_maar(((lower >> 4) & MIPS_MAARX_ADDR) | MIPS_MAARX_VH);
+ back_to_back_c0_hazard();
+#endif
}
/**
diff --git a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
index 95a0b580909d..a54f20d956a2 100644
--- a/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
@@ -56,6 +56,5 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#endif /* __ASM_MACH_ATH25_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h
index e7c972fccd9f..79ab3ad9fee8 100644
--- a/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ath79/cpu-feature-overrides.h
@@ -45,7 +45,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-au1x00/ioremap.h b/arch/mips/include/asm/mach-au1x00/ioremap.h
deleted file mode 100644
index f6877ed8b8d0..000000000000
--- a/arch/mips/include/asm/mach-au1x00/ioremap.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * include/asm-mips/mach-au1x00/ioremap.h
- */
-#ifndef __ASM_MACH_AU1X00_IOREMAP_H
-#define __ASM_MACH_AU1X00_IOREMAP_H
-
-#include <linux/types.h>
-
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_PCI)
-extern phys_addr_t __fixup_bigphys_addr(phys_addr_t, phys_addr_t);
-#else
-static inline phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-#endif
-
-/*
- * Allow physical addresses to be fixed up to help 36-bit peripherals.
- */
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return __fixup_bigphys_addr(phys_addr, size);
-}
-
-static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
- unsigned long flags)
-{
- return NULL;
-}
-
-static inline int plat_iounmap(const volatile void __iomem *addr)
-{
- return 0;
-}
-
-#endif /* __ASM_MACH_AU1X00_IOREMAP_H */
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
index 8fe88c2251e4..9212429d5edd 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h
@@ -13,16 +13,16 @@ static inline unsigned long bcm63xx_gpio_count(void)
case BCM6328_CPU_ID:
return 32;
case BCM3368_CPU_ID:
- case BCM6358_CPU_ID:
return 40;
case BCM6338_CPU_ID:
return 8;
case BCM6345_CPU_ID:
return 16;
- case BCM6362_CPU_ID:
- return 48;
+ case BCM6358_CPU_ID:
case BCM6368_CPU_ID:
return 38;
+ case BCM6362_CPU_ID:
+ return 48;
case BCM6348_CPU_ID:
default:
return 37;
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
index bc3444cd4ef2..9ceb5e72889f 100644
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
@@ -1367,8 +1367,8 @@
#define MISC_STRAPBUS_6328_REG 0x240
#define STRAPBUS_6328_FCVO_SHIFT 7
#define STRAPBUS_6328_FCVO_MASK (0x1f << STRAPBUS_6328_FCVO_SHIFT)
-#define STRAPBUS_6328_BOOT_SEL_SERIAL (1 << 28)
-#define STRAPBUS_6328_BOOT_SEL_NAND (0 << 28)
+#define STRAPBUS_6328_BOOT_SEL_SERIAL (1 << 18)
+#define STRAPBUS_6328_BOOT_SEL_NAND (0 << 18)
/*************************************************************************
* _REG relative to RSET_PCIE
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
index 8cd261ec0a75..73f31825bbf3 100644
--- a/arch/mips/include/asm/mach-bcm63xx/ioremap.h
+++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h
@@ -4,11 +4,6 @@
#include <bcm63xx_cpu.h>
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-
static inline int is_bcm63xx_internal_registers(phys_addr_t offset)
{
switch (bcm63xx_get_cpu_id()) {
diff --git a/arch/mips/include/asm/mach-bmips/ioremap.h b/arch/mips/include/asm/mach-bmips/ioremap.h
index 52632ebc705f..63b4af9916b6 100644
--- a/arch/mips/include/asm/mach-bmips/ioremap.h
+++ b/arch/mips/include/asm/mach-bmips/ioremap.h
@@ -4,11 +4,6 @@
#include <linux/types.h>
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-
static inline int is_bmips_internal_registers(phys_addr_t offset)
{
if (offset >= 0xfff80000)
diff --git a/arch/mips/include/asm/mach-emma2rh/irq.h b/arch/mips/include/asm/mach-emma2rh/irq.h
deleted file mode 100644
index d32736736bb3..000000000000
--- a/arch/mips/include/asm/mach-emma2rh/irq.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 by Ralf Baechle
- */
-#ifndef __ASM_MACH_EMMA2RH_IRQ_H
-#define __ASM_MACH_EMMA2RH_IRQ_H
-
-#define NR_IRQS 256
-
-#include <asm/mach-generic/irq.h>
-
-#endif /* __ASM_MACH_EMMA2RH_IRQ_H */
diff --git a/arch/mips/include/asm/mach-generic/floppy.h b/arch/mips/include/asm/mach-generic/floppy.h
index 9ec2f6a5200b..e3f446d54827 100644
--- a/arch/mips/include/asm/mach-generic/floppy.h
+++ b/arch/mips/include/asm/mach-generic/floppy.h
@@ -26,14 +26,14 @@
/*
* How to access the FDC's registers.
*/
-static inline unsigned char fd_inb(unsigned int port)
+static inline unsigned char fd_inb(unsigned int base, unsigned int reg)
{
- return inb_p(port);
+ return inb_p(base + reg);
}
-static inline void fd_outb(unsigned char value, unsigned int port)
+static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg)
{
- outb_p(value, port);
+ outb_p(value, base + reg);
}
/*
diff --git a/arch/mips/include/asm/mach-generic/ioremap.h b/arch/mips/include/asm/mach-generic/ioremap.h
index 4e36ea25ed33..f2442b84545c 100644
--- a/arch/mips/include/asm/mach-generic/ioremap.h
+++ b/arch/mips/include/asm/mach-generic/ioremap.h
@@ -7,15 +7,6 @@
#include <linux/types.h>
-/*
- * Allow physical addresses to be fixed up to help peripherals located
- * outside the low 32-bit range -- generic pass-through version.
- */
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
diff --git a/arch/mips/include/asm/mach-generic/irq.h b/arch/mips/include/asm/mach-generic/irq.h
index be546a0f65fa..72ac2c202c55 100644
--- a/arch/mips/include/asm/mach-generic/irq.h
+++ b/arch/mips/include/asm/mach-generic/irq.h
@@ -36,10 +36,4 @@
#endif /* CONFIG_IRQ_MIPS_CPU */
-#ifdef CONFIG_MIPS_GIC
-#ifndef MIPS_GIC_IRQ_BASE
-#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8)
-#endif
-#endif /* CONFIG_MIPS_GIC */
-
#endif /* __ASM_MACH_GENERIC_IRQ_H */
diff --git a/arch/mips/include/asm/mach-ip27/spaces.h b/arch/mips/include/asm/mach-ip27/spaces.h
index 24d5e31bcfa6..66421e9a6aa6 100644
--- a/arch/mips/include/asm/mach-ip27/spaces.h
+++ b/arch/mips/include/asm/mach-ip27/spaces.h
@@ -10,17 +10,19 @@
#ifndef _ASM_MACH_IP27_SPACES_H
#define _ASM_MACH_IP27_SPACES_H
+#include <linux/const.h>
+
/*
* IP27 uses the R10000's uncached attribute feature. Attribute 3 selects
* uncached memory addressing. Hide the definitions on 32-bit compilation
* of the compat-vdso code.
*/
#ifdef CONFIG_64BIT
-#define HSPEC_BASE 0x9000000000000000
-#define IO_BASE 0x9200000000000000
-#define MSPEC_BASE 0x9400000000000000
-#define UNCAC_BASE 0x9600000000000000
-#define CAC_BASE 0xa800000000000000
+#define HSPEC_BASE _AC(0x9000000000000000, UL)
+#define IO_BASE _AC(0x9200000000000000, UL)
+#define MSPEC_BASE _AC(0x9400000000000000, UL)
+#define UNCAC_BASE _AC(0x9600000000000000, UL)
+#define CAC_BASE _AC(0xa800000000000000, UL)
#endif
#define TO_MSPEC(x) (MSPEC_BASE | ((x) & TO_PHYS_MASK))
diff --git a/arch/mips/include/asm/mach-ip30/war.h b/arch/mips/include/asm/mach-ip30/war.h
index a98ba204f183..a1fa0c1f5300 100644
--- a/arch/mips/include/asm/mach-ip30/war.h
+++ b/arch/mips/include/asm/mach-ip30/war.h
@@ -8,19 +8,17 @@
#define R4600_V1_INDEX_ICACHEOP_WAR 0
#define R4600_V1_HIT_CACHEOP_WAR 0
#define R4600_V2_HIT_CACHEOP_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
#define BCM1250_M3_WAR 0
#define SIBYTE_1956_WAR 0
#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS34K_MISSED_ITLB_WAR 0
-#define R5432_CP0_INTERRUPT_WAR 0
+#define MIPS_CACHE_SYNC_WAR 0
#define TX49XX_ICACHE_INDEX_INV_WAR 0
#define ICACHE_REFILLS_WORKAROUND_WAR 0
-
#ifdef CONFIG_CPU_R10000
#define R10000_LLSC_WAR 1
#else
#define R10000_LLSC_WAR 0
#endif
+#define MIPS34K_MISSED_ITLB_WAR 0
#endif /* __ASM_MIPS_MACH_IP30_WAR_H */
diff --git a/arch/mips/include/asm/mach-jazz/floppy.h b/arch/mips/include/asm/mach-jazz/floppy.h
index 4b86c88a03b7..095000c290e5 100644
--- a/arch/mips/include/asm/mach-jazz/floppy.h
+++ b/arch/mips/include/asm/mach-jazz/floppy.h
@@ -17,19 +17,19 @@
#include <asm/jazzdma.h>
#include <asm/pgtable.h>
-static inline unsigned char fd_inb(unsigned int port)
+static inline unsigned char fd_inb(unsigned int base, unsigned int reg)
{
unsigned char c;
- c = *(volatile unsigned char *) port;
+ c = *(volatile unsigned char *) (base + reg);
udelay(1);
return c;
}
-static inline void fd_outb(unsigned char value, unsigned int port)
+static inline void fd_outb(unsigned char value, unsigned int base, unsigned int reg)
{
- *(volatile unsigned char *) port = value;
+ *(volatile unsigned char *) (base + reg) = value;
}
/*
diff --git a/arch/mips/include/asm/mach-jz4740/base.h b/arch/mips/include/asm/mach-jz4740/base.h
deleted file mode 100644
index 96b2d6674cdb..000000000000
--- a/arch/mips/include/asm/mach-jz4740/base.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_MACH_JZ4740_BASE_H__
-#define __ASM_MACH_JZ4740_BASE_H__
-
-#define JZ4740_CPM_BASE_ADDR 0x10000000
-#define JZ4740_INTC_BASE_ADDR 0x10001000
-#define JZ4740_WDT_BASE_ADDR 0x10002000
-#define JZ4740_TCU_BASE_ADDR 0x10002010
-#define JZ4740_RTC_BASE_ADDR 0x10003000
-#define JZ4740_GPIO_BASE_ADDR 0x10010000
-#define JZ4740_AIC_BASE_ADDR 0x10020000
-#define JZ4740_MSC_BASE_ADDR 0x10021000
-#define JZ4740_UART0_BASE_ADDR 0x10030000
-#define JZ4740_UART1_BASE_ADDR 0x10031000
-#define JZ4740_I2C_BASE_ADDR 0x10042000
-#define JZ4740_SSI_BASE_ADDR 0x10043000
-#define JZ4740_SADC_BASE_ADDR 0x10070000
-#define JZ4740_EMC_BASE_ADDR 0x13010000
-#define JZ4740_DMAC_BASE_ADDR 0x13020000
-#define JZ4740_UHC_BASE_ADDR 0x13030000
-#define JZ4740_UDC_BASE_ADDR 0x13040000
-#define JZ4740_LCD_BASE_ADDR 0x13050000
-#define JZ4740_SLCD_BASE_ADDR 0x13050000
-#define JZ4740_CIM_BASE_ADDR 0x13060000
-#define JZ4740_IPU_BASE_ADDR 0x13080000
-
-#endif
diff --git a/arch/mips/include/asm/mach-jz4740/dma.h b/arch/mips/include/asm/mach-jz4740/dma.h
deleted file mode 100644
index e5d2a5311a3a..000000000000
--- a/arch/mips/include/asm/mach-jz4740/dma.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ7420/JZ4740 DMA definitions
- */
-
-#ifndef __ASM_MACH_JZ4740_DMA_H__
-#define __ASM_MACH_JZ4740_DMA_H__
-
-enum jz4740_dma_request_type {
- JZ4740_DMA_TYPE_AUTO_REQUEST = 8,
- JZ4740_DMA_TYPE_UART_TRANSMIT = 20,
- JZ4740_DMA_TYPE_UART_RECEIVE = 21,
- JZ4740_DMA_TYPE_SPI_TRANSMIT = 22,
- JZ4740_DMA_TYPE_SPI_RECEIVE = 23,
- JZ4740_DMA_TYPE_MMC_TRANSMIT = 26,
- JZ4740_DMA_TYPE_MMC_RECEIVE = 27,
- JZ4740_DMA_TYPE_TCU = 28,
- JZ4740_DMA_TYPE_SADC = 29,
- JZ4740_DMA_TYPE_SLCD = 30,
-};
-
-#endif /* __ASM_JZ4740_DMA_H__ */
diff --git a/arch/mips/include/asm/mach-jz4740/irq.h b/arch/mips/include/asm/mach-jz4740/irq.h
index 09c38eac671a..27c543bd340f 100644
--- a/arch/mips/include/asm/mach-jz4740/irq.h
+++ b/arch/mips/include/asm/mach-jz4740/irq.h
@@ -8,49 +8,6 @@
#define __ASM_MACH_JZ4740_IRQ_H__
#define MIPS_CPU_IRQ_BASE 0
-#define JZ4740_IRQ_BASE 8
-
-#ifdef CONFIG_MACH_JZ4740
-# define NR_INTC_IRQS 32
-#else
-# define NR_INTC_IRQS 64
-#endif
-
-/* 1st-level interrupts */
-#define JZ4740_IRQ(x) (JZ4740_IRQ_BASE + (x))
-#define JZ4740_IRQ_I2C JZ4740_IRQ(1)
-#define JZ4740_IRQ_UHC JZ4740_IRQ(3)
-#define JZ4740_IRQ_UART1 JZ4740_IRQ(8)
-#define JZ4740_IRQ_UART0 JZ4740_IRQ(9)
-#define JZ4740_IRQ_SADC JZ4740_IRQ(12)
-#define JZ4740_IRQ_MSC JZ4740_IRQ(14)
-#define JZ4740_IRQ_RTC JZ4740_IRQ(15)
-#define JZ4740_IRQ_SSI JZ4740_IRQ(16)
-#define JZ4740_IRQ_CIM JZ4740_IRQ(17)
-#define JZ4740_IRQ_AIC JZ4740_IRQ(18)
-#define JZ4740_IRQ_ETH JZ4740_IRQ(19)
-#define JZ4740_IRQ_DMAC JZ4740_IRQ(20)
-#define JZ4740_IRQ_TCU2 JZ4740_IRQ(21)
-#define JZ4740_IRQ_TCU1 JZ4740_IRQ(22)
-#define JZ4740_IRQ_TCU0 JZ4740_IRQ(23)
-#define JZ4740_IRQ_UDC JZ4740_IRQ(24)
-#define JZ4740_IRQ_GPIO3 JZ4740_IRQ(25)
-#define JZ4740_IRQ_GPIO2 JZ4740_IRQ(26)
-#define JZ4740_IRQ_GPIO1 JZ4740_IRQ(27)
-#define JZ4740_IRQ_GPIO0 JZ4740_IRQ(28)
-#define JZ4740_IRQ_IPU JZ4740_IRQ(29)
-#define JZ4740_IRQ_LCD JZ4740_IRQ(30)
-
-#define JZ4780_IRQ_TCU2 JZ4740_IRQ(25)
-
-/* 2nd-level interrupts */
-#define JZ4740_IRQ_DMA(x) (JZ4740_IRQ(NR_INTC_IRQS) + (x))
-
-#define JZ4740_IRQ_INTC_GPIO(x) (JZ4740_IRQ_GPIO0 - (x))
-#define JZ4740_IRQ_GPIO(x) (JZ4740_IRQ(NR_INTC_IRQS + 16) + (x))
-
-#define JZ4740_IRQ_ADC_BASE JZ4740_IRQ(NR_INTC_IRQS + 144)
-
-#define NR_IRQS (JZ4740_IRQ_ADC_BASE + 6)
+#define NR_IRQS 256
#endif
diff --git a/arch/mips/include/asm/mach-jz4740/timer.h b/arch/mips/include/asm/mach-jz4740/timer.h
deleted file mode 100644
index 8a19cfe5bed7..000000000000
--- a/arch/mips/include/asm/mach-jz4740/timer.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 platform timer support
- */
-
-#ifndef __ASM_MACH_JZ4740_TIMER
-#define __ASM_MACH_JZ4740_TIMER
-
-#define JZ_REG_TIMER_STOP 0x0C
-#define JZ_REG_TIMER_STOP_SET 0x1C
-#define JZ_REG_TIMER_STOP_CLEAR 0x2C
-#define JZ_REG_TIMER_ENABLE 0x00
-#define JZ_REG_TIMER_ENABLE_SET 0x04
-#define JZ_REG_TIMER_ENABLE_CLEAR 0x08
-#define JZ_REG_TIMER_FLAG 0x10
-#define JZ_REG_TIMER_FLAG_SET 0x14
-#define JZ_REG_TIMER_FLAG_CLEAR 0x18
-#define JZ_REG_TIMER_MASK 0x20
-#define JZ_REG_TIMER_MASK_SET 0x24
-#define JZ_REG_TIMER_MASK_CLEAR 0x28
-
-#define JZ_REG_TIMER_DFR(x) (((x) * 0x10) + 0x30)
-#define JZ_REG_TIMER_DHR(x) (((x) * 0x10) + 0x34)
-#define JZ_REG_TIMER_CNT(x) (((x) * 0x10) + 0x38)
-#define JZ_REG_TIMER_CTRL(x) (((x) * 0x10) + 0x3C)
-
-#define JZ_TIMER_IRQ_HALF(x) BIT((x) + 0x10)
-#define JZ_TIMER_IRQ_FULL(x) BIT(x)
-
-#define JZ_TIMER_CTRL_PWM_ABBRUPT_SHUTDOWN BIT(9)
-#define JZ_TIMER_CTRL_PWM_ACTIVE_LOW BIT(8)
-#define JZ_TIMER_CTRL_PWM_ENABLE BIT(7)
-#define JZ_TIMER_CTRL_PRESCALE_MASK 0x1c
-#define JZ_TIMER_CTRL_PRESCALE_OFFSET 0x3
-#define JZ_TIMER_CTRL_PRESCALE_1 (0 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_4 (1 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_16 (2 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_64 (3 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_256 (4 << 3)
-#define JZ_TIMER_CTRL_PRESCALE_1024 (5 << 3)
-
-#define JZ_TIMER_CTRL_PRESCALER(x) ((x) << JZ_TIMER_CTRL_PRESCALE_OFFSET)
-
-#define JZ_TIMER_CTRL_SRC_EXT BIT(2)
-#define JZ_TIMER_CTRL_SRC_RTC BIT(1)
-#define JZ_TIMER_CTRL_SRC_PCLK BIT(0)
-
-extern void __iomem *jz4740_timer_base;
-void __init jz4740_timer_init(void);
-
-void jz4740_timer_enable_watchdog(void);
-void jz4740_timer_disable_watchdog(void);
-
-static inline void jz4740_timer_stop(unsigned int timer)
-{
- writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
-}
-
-static inline void jz4740_timer_start(unsigned int timer)
-{
- writel(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR);
-}
-
-static inline bool jz4740_timer_is_enabled(unsigned int timer)
-{
- return readb(jz4740_timer_base + JZ_REG_TIMER_ENABLE) & BIT(timer);
-}
-
-static inline void jz4740_timer_enable(unsigned int timer)
-{
- writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_SET);
-}
-
-static inline void jz4740_timer_disable(unsigned int timer)
-{
- writeb(BIT(timer), jz4740_timer_base + JZ_REG_TIMER_ENABLE_CLEAR);
-}
-
-static inline void jz4740_timer_set_period(unsigned int timer, uint16_t period)
-{
- writew(period, jz4740_timer_base + JZ_REG_TIMER_DFR(timer));
-}
-
-static inline void jz4740_timer_set_duty(unsigned int timer, uint16_t duty)
-{
- writew(duty, jz4740_timer_base + JZ_REG_TIMER_DHR(timer));
-}
-
-static inline void jz4740_timer_set_count(unsigned int timer, uint16_t count)
-{
- writew(count, jz4740_timer_base + JZ_REG_TIMER_CNT(timer));
-}
-
-static inline uint16_t jz4740_timer_get_count(unsigned int timer)
-{
- return readw(jz4740_timer_base + JZ_REG_TIMER_CNT(timer));
-}
-
-static inline void jz4740_timer_ack_full(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR);
-}
-
-static inline void jz4740_timer_irq_full_enable(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_FLAG_CLEAR);
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_CLEAR);
-}
-
-static inline void jz4740_timer_irq_full_disable(unsigned int timer)
-{
- writel(JZ_TIMER_IRQ_FULL(timer), jz4740_timer_base + JZ_REG_TIMER_MASK_SET);
-}
-
-static inline void jz4740_timer_set_ctrl(unsigned int timer, uint16_t ctrl)
-{
- writew(ctrl, jz4740_timer_base + JZ_REG_TIMER_CTRL(timer));
-}
-
-static inline uint16_t jz4740_timer_get_ctrl(unsigned int timer)
-{
- return readw(jz4740_timer_base + JZ_REG_TIMER_CTRL(timer));
-}
-
-#endif
diff --git a/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
index f03c1c42dd90..10226976f7b7 100644
--- a/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-lantiq/falcon/cpu-feature-overrides.h
@@ -46,7 +46,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-lasat/irq.h b/arch/mips/include/asm/mach-lasat/irq.h
deleted file mode 100644
index e8994921779e..000000000000
--- a/arch/mips/include/asm/mach-lasat/irq.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_MACH_LASAT_IRQ_H
-#define _ASM_MACH_LASAT_IRQ_H
-
-#define LASAT_CASCADE_IRQ (MIPS_CPU_IRQ_BASE + 2)
-
-#define LASAT_IRQ_BASE 8
-#define LASAT_IRQ_END 23
-
-#define NR_IRQS 24
-
-#include <asm/mach-generic/irq.h>
-
-#endif /* _ASM_MACH_LASAT_IRQ_H */
diff --git a/arch/mips/include/asm/mach-lasat/mach-gt64120.h b/arch/mips/include/asm/mach-lasat/mach-gt64120.h
deleted file mode 100644
index 6666a8871a23..000000000000
--- a/arch/mips/include/asm/mach-lasat/mach-gt64120.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * This is a direct copy of the ev96100.h file, with a global
- * search and replace. The numbers are the same.
- *
- * The reason I'm duplicating this is so that the 64120/96100
- * defines won't be confusing in the source code.
- */
-#ifndef _ASM_GT64120_LASAT_GT64120_DEP_H
-#define _ASM_GT64120_LASAT_GT64120_DEP_H
-
-/*
- * GT64120 config space base address on Lasat 100
- */
-#define GT64120_BASE (KSEG1ADDR(0x14000000))
-
-/*
- * PCI Bus allocation
- *
- * (Guessing ...)
- */
-#define GT_PCI_MEM_BASE 0x12000000UL
-#define GT_PCI_MEM_SIZE 0x02000000UL
-#define GT_PCI_IO_BASE 0x10000000UL
-#define GT_PCI_IO_SIZE 0x02000000UL
-#define GT_ISA_IO_BASE PCI_IO_BASE
-
-#endif /* _ASM_GT64120_LASAT_GT64120_DEP_H */
diff --git a/arch/mips/include/asm/mach-loongson2ef/loongson.h b/arch/mips/include/asm/mach-loongson2ef/loongson.h
index 5008af0a1a19..57e571128489 100644
--- a/arch/mips/include/asm/mach-loongson2ef/loongson.h
+++ b/arch/mips/include/asm/mach-loongson2ef/loongson.h
@@ -244,6 +244,7 @@ static inline void do_perfcnt_IRQ(void)
#ifdef CONFIG_CPU_SUPPORTS_CPUFREQ
#include <linux/cpufreq.h>
extern struct cpufreq_frequency_table loongson2_clockmod_table[];
+extern int loongson2_cpu_set_rate(unsigned long rate_khz);
#endif
/*
diff --git a/arch/mips/include/asm/mach-loongson64/boot_param.h b/arch/mips/include/asm/mach-loongson64/boot_param.h
index 2ed483e32d8c..b35be709f9da 100644
--- a/arch/mips/include/asm/mach-loongson64/boot_param.h
+++ b/arch/mips/include/asm/mach-loongson64/boot_param.h
@@ -192,6 +192,11 @@ struct boot_params {
struct efi_reset_system_t reset_system;
};
+enum loongson_bridge_type {
+ LS7A = 1,
+ RS780E = 2
+};
+
struct loongson_system_configuration {
u32 nr_cpus;
u32 nr_nodes;
@@ -200,6 +205,7 @@ struct loongson_system_configuration {
u16 boot_cpu_id;
u16 reserved_cpus_mask;
enum loongson_cpu_type cputype;
+ enum loongson_bridge_type bridgetype;
u64 ht_control_base;
u64 pci_mem_start_addr;
u64 pci_mem_end_addr;
@@ -215,9 +221,14 @@ struct loongson_system_configuration {
u32 nr_sensors;
struct sensor_device sensors[MAX_SENSORS];
u64 workarounds;
+ void (*early_config)(void);
};
extern struct efi_memory_map_loongson *loongson_memmap;
extern struct loongson_system_configuration loongson_sysconf;
+extern u32 node_id_offset;
+extern void ls7a_early_config(void);
+extern void rs780e_early_config(void);
+
#endif
diff --git a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
index 4fab38c743dd..b6e9c99b85a5 100644
--- a/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-loongson64/cpu-feature-overrides.h
@@ -48,5 +48,6 @@
#define cpu_hwrena_impl_bits 0xc0000000
#define cpu_has_mac2008_only 1
#define cpu_has_mips_r2_exec_hazard 0
+#define cpu_has_perf_cntr_intr_bit 0
#endif /* __ASM_MACH_LOONGSON64_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-loongson64/cpucfg-emul.h b/arch/mips/include/asm/mach-loongson64/cpucfg-emul.h
new file mode 100644
index 000000000000..d64af19c210d
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson64/cpucfg-emul.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_MACH_LOONGSON64_CPUCFG_EMUL_H_
+#define _ASM_MACH_LOONGSON64_CPUCFG_EMUL_H_
+
+#include <asm/cpu-info.h>
+
+#ifdef CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION
+
+#include <loongson_regs.h>
+
+#define LOONGSON_FPREV_MASK 0x7
+
+void loongson3_cpucfg_synthesize_data(struct cpuinfo_mips *c);
+
+static inline bool loongson3_cpucfg_emulation_enabled(struct cpuinfo_mips *c)
+{
+ /* All supported cores have non-zero LOONGSON_CFG1 data. */
+ return c->loongson3_cpucfg_data[0] != 0;
+}
+
+static inline u32 loongson3_cpucfg_read_synthesized(struct cpuinfo_mips *c,
+ __u64 sel)
+{
+ switch (sel) {
+ case LOONGSON_CFG0:
+ return c->processor_id;
+ case LOONGSON_CFG1:
+ case LOONGSON_CFG2:
+ case LOONGSON_CFG3:
+ return c->loongson3_cpucfg_data[sel - 1];
+ case LOONGSON_CFG4:
+ case LOONGSON_CFG5:
+ /* CPUCFG selects 4 and 5 are related to the input clock
+ * signal.
+ *
+ * Unimplemented for now.
+ */
+ return 0;
+ case LOONGSON_CFG6:
+ /* CPUCFG select 6 is for the undocumented Safe Extension. */
+ return 0;
+ case LOONGSON_CFG7:
+ /* CPUCFG select 7 is for the virtualization extension.
+ * We don't know if the two currently known features are
+ * supported on older cores according to the public
+ * documentation, so leave this at zero.
+ */
+ return 0;
+ }
+
+ /*
+ * Return 0 for unrecognized CPUCFG selects, which is real hardware
+ * behavior observed on Loongson 3A R4.
+ */
+ return 0;
+}
+#else
+static inline void loongson3_cpucfg_synthesize_data(struct cpuinfo_mips *c)
+{
+}
+
+static inline bool loongson3_cpucfg_emulation_enabled(struct cpuinfo_mips *c)
+{
+ return false;
+}
+
+static inline u32 loongson3_cpucfg_read_synthesized(struct cpuinfo_mips *c,
+ __u64 sel)
+{
+ return 0;
+}
+#endif
+
+#endif /* _ASM_MACH_LOONGSON64_CPUCFG_EMUL_H_ */
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_regs.h b/arch/mips/include/asm/mach-loongson64/loongson_regs.h
index 363a47a5d26e..83dbb9fdf9c2 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson_regs.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_regs.h
@@ -67,6 +67,8 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG1_SFBP BIT(29)
#define LOONGSON_CFG1_CDMAP BIT(30)
+#define LOONGSON_CFG1_FPREV_OFFSET 1
+
#define LOONGSON_CFG2 0x2
#define LOONGSON_CFG2_LEXT1 BIT(0)
#define LOONGSON_CFG2_LEXT2 BIT(1)
@@ -77,12 +79,12 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG2_LBT3 BIT(6)
#define LOONGSON_CFG2_LBTMMU BIT(7)
#define LOONGSON_CFG2_LPMP BIT(8)
-#define LOONGSON_CFG2_LPMPREV GENMASK(11, 9)
+#define LOONGSON_CFG2_LPMREV GENMASK(11, 9)
#define LOONGSON_CFG2_LAMO BIT(12)
#define LOONGSON_CFG2_LPIXU BIT(13)
-#define LOONGSON_CFG2_LPIXUN BIT(14)
-#define LOONGSON_CFG2_LZVP BIT(15)
-#define LOONGSON_CFG2_LZVREV GENMASK(18, 16)
+#define LOONGSON_CFG2_LPIXNU BIT(14)
+#define LOONGSON_CFG2_LVZP BIT(15)
+#define LOONGSON_CFG2_LVZREV GENMASK(18, 16)
#define LOONGSON_CFG2_LGFTP BIT(19)
#define LOONGSON_CFG2_LGFTPREV GENMASK(22, 20)
#define LOONGSON_CFG2_LLFTP BIT(23)
@@ -90,6 +92,13 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG2_LCSRP BIT(27)
#define LOONGSON_CFG2_LDISBLIKELY BIT(28)
+#define LOONGSON_CFG2_LPMREV_OFFSET 9
+#define LOONGSON_CFG2_LPM_REV1 (1 << LOONGSON_CFG2_LPMREV_OFFSET)
+#define LOONGSON_CFG2_LPM_REV2 (2 << LOONGSON_CFG2_LPMREV_OFFSET)
+#define LOONGSON_CFG2_LVZREV_OFFSET 16
+#define LOONGSON_CFG2_LVZ_REV1 (1 << LOONGSON_CFG2_LVZREV_OFFSET)
+#define LOONGSON_CFG2_LVZ_REV2 (2 << LOONGSON_CFG2_LVZREV_OFFSET)
+
#define LOONGSON_CFG3 0x3
#define LOONGSON_CFG3_LCAMP BIT(0)
#define LOONGSON_CFG3_LCAMREV GENMASK(3, 1)
@@ -97,6 +106,16 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG3_LCAMKW GENMASK(19, 12)
#define LOONGSON_CFG3_LCAMVW GENMASK(27, 20)
+#define LOONGSON_CFG3_LCAMREV_OFFSET 1
+#define LOONGSON_CFG3_LCAM_REV1 (1 << LOONGSON_CFG3_LCAMREV_OFFSET)
+#define LOONGSON_CFG3_LCAM_REV2 (2 << LOONGSON_CFG3_LCAMREV_OFFSET)
+#define LOONGSON_CFG3_LCAMNUM_OFFSET 4
+#define LOONGSON_CFG3_LCAMNUM_REV1 (0x3f << LOONGSON_CFG3_LCAMNUM_OFFSET)
+#define LOONGSON_CFG3_LCAMKW_OFFSET 12
+#define LOONGSON_CFG3_LCAMKW_REV1 (0x27 << LOONGSON_CFG3_LCAMKW_OFFSET)
+#define LOONGSON_CFG3_LCAMVW_OFFSET 20
+#define LOONGSON_CFG3_LCAMVW_REV1 (0x3f << LOONGSON_CFG3_LCAMVW_OFFSET)
+
#define LOONGSON_CFG4 0x4
#define LOONGSON_CFG4_CCFREQ GENMASK(31, 0)
@@ -139,7 +158,7 @@ static inline u64 csr_readq(u32 reg)
{
u64 __res;
- /* DWRCSR reg, val */
+ /* DRDCSR reg, val */
__asm__ __volatile__(
"parse_r __res,%0\n\t"
"parse_r reg,%1\n\t"
diff --git a/arch/mips/include/asm/mach-loongson64/mc146818rtc.h b/arch/mips/include/asm/mach-loongson64/mc146818rtc.h
deleted file mode 100644
index ebdccfee50be..000000000000
--- a/arch/mips/include/asm/mach-loongson64/mc146818rtc.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org)
- *
- * RTC routines for PC style attached Dallas chip.
- */
-#ifndef __ASM_MACH_LOONGSON64_MC146818RTC_H
-#define __ASM_MACH_LOONGSON64_MC146818RTC_H
-
-#include <linux/io.h>
-
-#define RTC_PORT(x) (0x70 + (x))
-#define RTC_IRQ 8
-
-static inline unsigned char CMOS_READ(unsigned long addr)
-{
- outb_p(addr, RTC_PORT(0));
- return inb_p(RTC_PORT(1));
-}
-
-static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
-{
- outb_p(addr, RTC_PORT(0));
- outb_p(data, RTC_PORT(1));
-}
-
-#define RTC_ALWAYS_BCD 0
-
-#ifndef mc146818_decode_year
-#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
-#endif
-
-#endif /* __ASM_MACH_LOONGSON64_MC146818RTC_H */
diff --git a/arch/mips/include/asm/mach-loongson64/spaces.h b/arch/mips/include/asm/mach-loongson64/spaces.h
index e85bc1d9c4f2..3de0ac9d8829 100644
--- a/arch/mips/include/asm/mach-loongson64/spaces.h
+++ b/arch/mips/include/asm/mach-loongson64/spaces.h
@@ -6,5 +6,13 @@
#define CAC_BASE _AC(0x9800000000000000, UL)
#endif /* CONFIG_64BIT */
+/* Skip 128k to trap NULL pointer dereferences */
+#define PCI_IOBASE _AC(0xc000000000000000 + SZ_128K, UL)
+#define PCI_IOSIZE SZ_16M
+#define MAP_BASE (PCI_IOBASE + PCI_IOSIZE)
+
+/* Reserved at the start of PCI_IOBASE for legacy drivers */
+#define MMIO_LOWER_RESERVED 0x10000
+
#include <asm/mach-generic/spaces.h>
#endif
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/cpu-feature-overrides.h b/arch/mips/include/asm/mach-pmcs-msp71xx/cpu-feature-overrides.h
deleted file mode 100644
index 016fa9446ba9..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/cpu-feature-overrides.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003, 04, 07 Ralf Baechle (ralf@linux-mips.org)
- */
-#ifndef __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
-#define __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H
-
-#define cpu_has_mips16 1
-#define cpu_has_dsp 1
-/* #define cpu_has_dsp2 ??? - do runtime detection */
-#define cpu_has_mipsmt 1
-#define cpu_has_fpu 0
-
-#define cpu_has_mips32r1 0
-#define cpu_has_mips32r2 1
-#define cpu_has_mips64r1 0
-#define cpu_has_mips64r2 0
-
-#endif /* __ASM_MACH_MSP71XX_CPU_FEATURE_OVERRIDES_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_cic_int.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_cic_int.h
deleted file mode 100644
index 50de6876e1c9..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_cic_int.h
+++ /dev/null
@@ -1,139 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Defines for the MSP interrupt controller.
- *
- * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
- * Author: Carsten Langgaard, carstenl@mips.com
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#ifndef _MSP_CIC_INT_H
-#define _MSP_CIC_INT_H
-
-/*
- * The PMC-Sierra CIC interrupts are all centrally managed by the
- * CIC sub-system.
- * We attempt to keep the interrupt numbers as consistent as possible
- * across all of the MSP devices, but some differences will creep in ...
- * The interrupts which are directly forwarded to the MIPS core interrupts
- * are assigned interrupts in the range 0-7, interrupts cascaded through
- * the CIC are assigned interrupts 8-39. The cascade occurs on C_IRQ4
- * (MSP_INT_CIC). Currently we don't really distinguish between VPE1
- * and VPE0 (or thread contexts for that matter). Will have to fix.
- * The PER interrupts are assigned interrupts in the range 40-71.
-*/
-
-
-/*
- * IRQs directly forwarded to the CPU
- */
-#define MSP_MIPS_INTBASE 0
-#define MSP_INT_SW0 0 /* IRQ for swint0, C_SW0 */
-#define MSP_INT_SW1 1 /* IRQ for swint1, C_SW1 */
-#define MSP_INT_MAC0 2 /* IRQ for MAC 0, C_IRQ0 */
-#define MSP_INT_MAC1 3 /* IRQ for MAC 1, C_IRQ1 */
-#define MSP_INT_USB 4 /* IRQ for USB, C_IRQ2 */
-#define MSP_INT_SAR 5 /* IRQ for ADSL2+ SAR, C_IRQ3 */
-#define MSP_INT_CIC 6 /* IRQ for CIC block, C_IRQ4 */
-#define MSP_INT_SEC 7 /* IRQ for Sec engine, C_IRQ5 */
-
-/*
- * IRQs cascaded on CPU interrupt 4 (CAUSE bit 12, C_IRQ4)
- * These defines should be tied to the register definitions for the CIC
- * interrupt routine. For now, just use hard-coded values.
- */
-#define MSP_CIC_INTBASE (MSP_MIPS_INTBASE + 8)
-#define MSP_INT_EXT0 (MSP_CIC_INTBASE + 0)
- /* External interrupt 0 */
-#define MSP_INT_EXT1 (MSP_CIC_INTBASE + 1)
- /* External interrupt 1 */
-#define MSP_INT_EXT2 (MSP_CIC_INTBASE + 2)
- /* External interrupt 2 */
-#define MSP_INT_EXT3 (MSP_CIC_INTBASE + 3)
- /* External interrupt 3 */
-#define MSP_INT_CPUIF (MSP_CIC_INTBASE + 4)
- /* CPU interface interrupt */
-#define MSP_INT_EXT4 (MSP_CIC_INTBASE + 5)
- /* External interrupt 4 */
-#define MSP_INT_CIC_USB (MSP_CIC_INTBASE + 6)
- /* Cascaded IRQ for USB */
-#define MSP_INT_MBOX (MSP_CIC_INTBASE + 7)
- /* Sec engine mailbox IRQ */
-#define MSP_INT_EXT5 (MSP_CIC_INTBASE + 8)
- /* External interrupt 5 */
-#define MSP_INT_TDM (MSP_CIC_INTBASE + 9)
- /* TDM interrupt */
-#define MSP_INT_CIC_MAC0 (MSP_CIC_INTBASE + 10)
- /* Cascaded IRQ for MAC 0 */
-#define MSP_INT_CIC_MAC1 (MSP_CIC_INTBASE + 11)
- /* Cascaded IRQ for MAC 1 */
-#define MSP_INT_CIC_SEC (MSP_CIC_INTBASE + 12)
- /* Cascaded IRQ for sec engine */
-#define MSP_INT_PER (MSP_CIC_INTBASE + 13)
- /* Peripheral interrupt */
-#define MSP_INT_TIMER0 (MSP_CIC_INTBASE + 14)
- /* SLP timer 0 */
-#define MSP_INT_TIMER1 (MSP_CIC_INTBASE + 15)
- /* SLP timer 1 */
-#define MSP_INT_TIMER2 (MSP_CIC_INTBASE + 16)
- /* SLP timer 2 */
-#define MSP_INT_VPE0_TIMER (MSP_CIC_INTBASE + 17)
- /* VPE0 MIPS timer */
-#define MSP_INT_BLKCP (MSP_CIC_INTBASE + 18)
- /* Block Copy */
-#define MSP_INT_UART0 (MSP_CIC_INTBASE + 19)
- /* UART 0 */
-#define MSP_INT_PCI (MSP_CIC_INTBASE + 20)
- /* PCI subsystem */
-#define MSP_INT_EXT6 (MSP_CIC_INTBASE + 21)
- /* External interrupt 5 */
-#define MSP_INT_PCI_MSI (MSP_CIC_INTBASE + 22)
- /* PCI Message Signal */
-#define MSP_INT_CIC_SAR (MSP_CIC_INTBASE + 23)
- /* Cascaded ADSL2+ SAR IRQ */
-#define MSP_INT_DSL (MSP_CIC_INTBASE + 24)
- /* ADSL2+ IRQ */
-#define MSP_INT_CIC_ERR (MSP_CIC_INTBASE + 25)
- /* SLP error condition */
-#define MSP_INT_VPE1_TIMER (MSP_CIC_INTBASE + 26)
- /* VPE1 MIPS timer */
-#define MSP_INT_VPE0_PC (MSP_CIC_INTBASE + 27)
- /* VPE0 Performance counter */
-#define MSP_INT_VPE1_PC (MSP_CIC_INTBASE + 28)
- /* VPE1 Performance counter */
-#define MSP_INT_EXT7 (MSP_CIC_INTBASE + 29)
- /* External interrupt 5 */
-#define MSP_INT_VPE0_SW (MSP_CIC_INTBASE + 30)
- /* VPE0 Software interrupt */
-#define MSP_INT_VPE1_SW (MSP_CIC_INTBASE + 31)
- /* VPE0 Software interrupt */
-
-/*
- * IRQs cascaded on CIC PER interrupt (MSP_INT_PER)
- */
-#define MSP_PER_INTBASE (MSP_CIC_INTBASE + 32)
-/* Reserved 0-1 */
-#define MSP_INT_UART1 (MSP_PER_INTBASE + 2)
- /* UART 1 */
-/* Reserved 3-5 */
-#define MSP_INT_2WIRE (MSP_PER_INTBASE + 6)
- /* 2-wire */
-#define MSP_INT_TM0 (MSP_PER_INTBASE + 7)
- /* Peripheral timer block out 0 */
-#define MSP_INT_TM1 (MSP_PER_INTBASE + 8)
- /* Peripheral timer block out 1 */
-/* Reserved 9 */
-#define MSP_INT_SPRX (MSP_PER_INTBASE + 10)
- /* SPI RX complete */
-#define MSP_INT_SPTX (MSP_PER_INTBASE + 11)
- /* SPI TX complete */
-#define MSP_INT_GPIO (MSP_PER_INTBASE + 12)
- /* GPIO */
-#define MSP_INT_PER_ERR (MSP_PER_INTBASE + 13)
- /* Peripheral error */
-/* Reserved 14-31 */
-
-#endif /* !_MSP_CIC_INT_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_gpio_macros.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_gpio_macros.h
deleted file mode 100644
index daacebb047c2..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_gpio_macros.h
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- *
- * Macros for external SMP-safe access to the PMC MSP71xx reference
- * board GPIO pins
- *
- * Copyright 2010 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __MSP_GPIO_MACROS_H__
-#define __MSP_GPIO_MACROS_H__
-
-#include <msp_regops.h>
-#include <msp_regs.h>
-
-#ifdef CONFIG_PMC_MSP7120_GW
-#define MSP_NUM_GPIOS 20
-#else
-#define MSP_NUM_GPIOS 28
-#endif
-
-/* -- GPIO Enumerations -- */
-enum msp_gpio_data {
- MSP_GPIO_LO = 0,
- MSP_GPIO_HI = 1,
- MSP_GPIO_NONE, /* Special - Means pin is out of range */
- MSP_GPIO_TOGGLE, /* Special - Sets pin to opposite */
-};
-
-enum msp_gpio_mode {
- MSP_GPIO_INPUT = 0x0,
- /* MSP_GPIO_ INTERRUPT = 0x1, Not supported yet */
- MSP_GPIO_UART_INPUT = 0x2, /* Only GPIO 4 or 5 */
- MSP_GPIO_OUTPUT = 0x8,
- MSP_GPIO_UART_OUTPUT = 0x9, /* Only GPIO 2 or 3 */
- MSP_GPIO_PERIF_TIMERA = 0x9, /* Only GPIO 0 or 1 */
- MSP_GPIO_PERIF_TIMERB = 0xa, /* Only GPIO 0 or 1 */
- MSP_GPIO_UNKNOWN = 0xb, /* No such GPIO or mode */
-};
-
-/* -- Static Tables -- */
-
-/* Maps pins to data register */
-static volatile u32 * const MSP_GPIO_DATA_REGISTER[] = {
- /* GPIO 0 and 1 on the first register */
- GPIO_DATA1_REG, GPIO_DATA1_REG,
- /* GPIO 2, 3, 4, and 5 on the second register */
- GPIO_DATA2_REG, GPIO_DATA2_REG, GPIO_DATA2_REG, GPIO_DATA2_REG,
- /* GPIO 6, 7, 8, and 9 on the third register */
- GPIO_DATA3_REG, GPIO_DATA3_REG, GPIO_DATA3_REG, GPIO_DATA3_REG,
- /* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
- GPIO_DATA4_REG, GPIO_DATA4_REG, GPIO_DATA4_REG, GPIO_DATA4_REG,
- GPIO_DATA4_REG, GPIO_DATA4_REG,
- /* GPIO 16 - 23 on the first strange EXTENDED register */
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- /* GPIO 24 - 27 on the second strange EXTENDED register */
- EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG,
- EXTENDED_GPIO2_REG,
-};
-
-/* Maps pins to mode register */
-static volatile u32 * const MSP_GPIO_MODE_REGISTER[] = {
- /* GPIO 0 and 1 on the first register */
- GPIO_CFG1_REG, GPIO_CFG1_REG,
- /* GPIO 2, 3, 4, and 5 on the second register */
- GPIO_CFG2_REG, GPIO_CFG2_REG, GPIO_CFG2_REG, GPIO_CFG2_REG,
- /* GPIO 6, 7, 8, and 9 on the third register */
- GPIO_CFG3_REG, GPIO_CFG3_REG, GPIO_CFG3_REG, GPIO_CFG3_REG,
- /* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
- GPIO_CFG4_REG, GPIO_CFG4_REG, GPIO_CFG4_REG, GPIO_CFG4_REG,
- GPIO_CFG4_REG, GPIO_CFG4_REG,
- /* GPIO 16 - 23 on the first strange EXTENDED register */
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- EXTENDED_GPIO1_REG, EXTENDED_GPIO1_REG,
- /* GPIO 24 - 27 on the second strange EXTENDED register */
- EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG, EXTENDED_GPIO2_REG,
- EXTENDED_GPIO2_REG,
-};
-
-/* Maps 'basic' pins to relative offset from 0 per register */
-static int MSP_GPIO_OFFSET[] = {
- /* GPIO 0 and 1 on the first register */
- 0, 0,
- /* GPIO 2, 3, 4, and 5 on the second register */
- 2, 2, 2, 2,
- /* GPIO 6, 7, 8, and 9 on the third register */
- 6, 6, 6, 6,
- /* GPIO 10, 11, 12, 13, 14, and 15 on the fourth register */
- 10, 10, 10, 10, 10, 10,
-};
-
-/* Maps MODE to allowed pin mask */
-static unsigned int MSP_GPIO_MODE_ALLOWED[] = {
- 0xffffffff, /* Mode 0 - INPUT */
- 0x00000, /* Mode 1 - INTERRUPT */
- 0x00030, /* Mode 2 - UART_INPUT (GPIO 4, 5)*/
- 0, 0, 0, 0, 0, /* Modes 3, 4, 5, 6, and 7 are reserved */
- 0xffffffff, /* Mode 8 - OUTPUT */
- 0x0000f, /* Mode 9 - UART_OUTPUT/
- PERF_TIMERA (GPIO 0, 1, 2, 3) */
- 0x00003, /* Mode a - PERF_TIMERB (GPIO 0, 1) */
- 0x00000, /* Mode b - Not really a mode! */
-};
-
-/* -- Bit masks -- */
-
-/* This gives you the 'register relative offset gpio' number */
-#define OFFSET_GPIO_NUMBER(gpio) (gpio - MSP_GPIO_OFFSET[gpio])
-
-/* These take the 'register relative offset gpio' number */
-#define BASIC_DATA_REG_MASK(ogpio) (1 << ogpio)
-#define BASIC_MODE_REG_VALUE(mode, ogpio) \
- (mode << BASIC_MODE_REG_SHIFT(ogpio))
-#define BASIC_MODE_REG_MASK(ogpio) \
- BASIC_MODE_REG_VALUE(0xf, ogpio)
-#define BASIC_MODE_REG_SHIFT(ogpio) (ogpio * 4)
-#define BASIC_MODE_REG_FROM_REG(data, ogpio) \
- ((data & BASIC_MODE_REG_MASK(ogpio)) >> BASIC_MODE_REG_SHIFT(ogpio))
-
-/* These take the actual GPIO number (0 through 15) */
-#define BASIC_DATA_MASK(gpio) \
- BASIC_DATA_REG_MASK(OFFSET_GPIO_NUMBER(gpio))
-#define BASIC_MODE_MASK(gpio) \
- BASIC_MODE_REG_MASK(OFFSET_GPIO_NUMBER(gpio))
-#define BASIC_MODE(mode, gpio) \
- BASIC_MODE_REG_VALUE(mode, OFFSET_GPIO_NUMBER(gpio))
-#define BASIC_MODE_SHIFT(gpio) \
- BASIC_MODE_REG_SHIFT(OFFSET_GPIO_NUMBER(gpio))
-#define BASIC_MODE_FROM_REG(data, gpio) \
- BASIC_MODE_REG_FROM_REG(data, OFFSET_GPIO_NUMBER(gpio))
-
-/*
- * Each extended GPIO register is 32 bits long and is responsible for up to
- * eight GPIOs. The least significant 16 bits contain the set and clear bit
- * pair for each of the GPIOs. The most significant 16 bits contain the
- * disable and enable bit pair for each of the GPIOs. For example, the
- * extended GPIO reg for GPIOs 16-23 is as follows:
- *
- * 31: GPIO23_DISABLE
- * ...
- * 19: GPIO17_DISABLE
- * 18: GPIO17_ENABLE
- * 17: GPIO16_DISABLE
- * 16: GPIO16_ENABLE
- * ...
- * 3: GPIO17_SET
- * 2: GPIO17_CLEAR
- * 1: GPIO16_SET
- * 0: GPIO16_CLEAR
- */
-
-/* This gives the 'register relative offset gpio' number */
-#define EXTENDED_OFFSET_GPIO(gpio) (gpio < 24 ? gpio - 16 : gpio - 24)
-
-/* These take the 'register relative offset gpio' number */
-#define EXTENDED_REG_DISABLE(ogpio) (0x2 << ((ogpio * 2) + 16))
-#define EXTENDED_REG_ENABLE(ogpio) (0x1 << ((ogpio * 2) + 16))
-#define EXTENDED_REG_SET(ogpio) (0x2 << (ogpio * 2))
-#define EXTENDED_REG_CLR(ogpio) (0x1 << (ogpio * 2))
-
-/* These take the actual GPIO number (16 through 27) */
-#define EXTENDED_DISABLE(gpio) \
- EXTENDED_REG_DISABLE(EXTENDED_OFFSET_GPIO(gpio))
-#define EXTENDED_ENABLE(gpio) \
- EXTENDED_REG_ENABLE(EXTENDED_OFFSET_GPIO(gpio))
-#define EXTENDED_SET(gpio) \
- EXTENDED_REG_SET(EXTENDED_OFFSET_GPIO(gpio))
-#define EXTENDED_CLR(gpio) \
- EXTENDED_REG_CLR(EXTENDED_OFFSET_GPIO(gpio))
-
-#define EXTENDED_FULL_MASK (0xffffffff)
-
-/* -- API inline-functions -- */
-
-/*
- * Gets the current value of the specified pin
- */
-static inline enum msp_gpio_data msp_gpio_pin_get(unsigned int gpio)
-{
- u32 pinhi_mask = 0, pinhi_mask2 = 0;
-
- if (gpio >= MSP_NUM_GPIOS)
- return MSP_GPIO_NONE;
-
- if (gpio < 16) {
- pinhi_mask = BASIC_DATA_MASK(gpio);
- } else {
- /*
- * Two cases are possible with the EXTENDED register:
- * - In output mode (ENABLED flag set), check the CLR bit
- * - In input mode (ENABLED flag not set), check the SET bit
- */
- pinhi_mask = EXTENDED_ENABLE(gpio) | EXTENDED_CLR(gpio);
- pinhi_mask2 = EXTENDED_SET(gpio);
- }
- if (((*MSP_GPIO_DATA_REGISTER[gpio] & pinhi_mask) == pinhi_mask) ||
- (*MSP_GPIO_DATA_REGISTER[gpio] & pinhi_mask2))
- return MSP_GPIO_HI;
- else
- return MSP_GPIO_LO;
-}
-
-/* Sets the specified pin to the specified value */
-static inline void msp_gpio_pin_set(enum msp_gpio_data data, unsigned int gpio)
-{
- if (gpio >= MSP_NUM_GPIOS)
- return;
-
- if (gpio < 16) {
- if (data == MSP_GPIO_TOGGLE)
- toggle_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- BASIC_DATA_MASK(gpio));
- else if (data == MSP_GPIO_HI)
- set_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- BASIC_DATA_MASK(gpio));
- else
- clear_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- BASIC_DATA_MASK(gpio));
- } else {
- if (data == MSP_GPIO_TOGGLE) {
- /* Special ugly case:
- * We have to read the CLR bit.
- * If set, we write the CLR bit.
- * If not, we write the SET bit.
- */
- u32 tmpdata;
-
- custom_read_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- tmpdata);
- if (tmpdata & EXTENDED_CLR(gpio))
- tmpdata = EXTENDED_CLR(gpio);
- else
- tmpdata = EXTENDED_SET(gpio);
- custom_write_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- tmpdata);
- } else {
- u32 newdata;
-
- if (data == MSP_GPIO_HI)
- newdata = EXTENDED_SET(gpio);
- else
- newdata = EXTENDED_CLR(gpio);
- set_value_reg32(MSP_GPIO_DATA_REGISTER[gpio],
- EXTENDED_FULL_MASK, newdata);
- }
- }
-}
-
-/* Sets the specified pin to the specified value */
-static inline void msp_gpio_pin_hi(unsigned int gpio)
-{
- msp_gpio_pin_set(MSP_GPIO_HI, gpio);
-}
-
-/* Sets the specified pin to the specified value */
-static inline void msp_gpio_pin_lo(unsigned int gpio)
-{
- msp_gpio_pin_set(MSP_GPIO_LO, gpio);
-}
-
-/* Sets the specified pin to the opposite value */
-static inline void msp_gpio_pin_toggle(unsigned int gpio)
-{
- msp_gpio_pin_set(MSP_GPIO_TOGGLE, gpio);
-}
-
-/* Gets the mode of the specified pin */
-static inline enum msp_gpio_mode msp_gpio_pin_get_mode(unsigned int gpio)
-{
- enum msp_gpio_mode retval = MSP_GPIO_UNKNOWN;
- uint32_t data;
-
- if (gpio >= MSP_NUM_GPIOS)
- return retval;
-
- data = *MSP_GPIO_MODE_REGISTER[gpio];
-
- if (gpio < 16) {
- retval = BASIC_MODE_FROM_REG(data, gpio);
- } else {
- /* Extended pins can only be either INPUT or OUTPUT */
- if (data & EXTENDED_ENABLE(gpio))
- retval = MSP_GPIO_OUTPUT;
- else
- retval = MSP_GPIO_INPUT;
- }
-
- return retval;
-}
-
-/*
- * Sets the specified mode on the requested pin
- * Returns 0 on success, or -1 if that mode is not allowed on this pin
- */
-static inline int msp_gpio_pin_mode(enum msp_gpio_mode mode, unsigned int gpio)
-{
- u32 modemask, newmode;
-
- if ((1 << gpio) & ~MSP_GPIO_MODE_ALLOWED[mode])
- return -1;
-
- if (gpio >= MSP_NUM_GPIOS)
- return -1;
-
- if (gpio < 16) {
- modemask = BASIC_MODE_MASK(gpio);
- newmode = BASIC_MODE(mode, gpio);
- } else {
- modemask = EXTENDED_FULL_MASK;
- if (mode == MSP_GPIO_INPUT)
- newmode = EXTENDED_DISABLE(gpio);
- else
- newmode = EXTENDED_ENABLE(gpio);
- }
- /* Do the set atomically */
- set_value_reg32(MSP_GPIO_MODE_REGISTER[gpio], modemask, newmode);
-
- return 0;
-}
-
-#endif /* __MSP_GPIO_MACROS_H__ */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_int.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_int.h
deleted file mode 100644
index 55078b40f5b5..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_int.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Defines for the MSP interrupt handlers.
- *
- * Copyright (C) 2005, PMC-Sierra, Inc. All rights reserved.
- * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#ifndef _MSP_INT_H
-#define _MSP_INT_H
-
-/*
- * The PMC-Sierra MSP product line has at least two different interrupt
- * controllers, the SLP register based scheme and the CIC interrupt
- * controller block mechanism. This file distinguishes between them
- * so that devices see a uniform interface.
- */
-
-#if defined(CONFIG_IRQ_MSP_SLP)
- #include "msp_slp_int.h"
-#elif defined(CONFIG_IRQ_MSP_CIC)
- #include "msp_cic_int.h"
-#else
- #error "What sort of interrupt controller does *your* MSP have?"
-#endif
-
-#endif /* !_MSP_INT_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_pci.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_pci.h
deleted file mode 100644
index 5b2535efceb2..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_pci.h
+++ /dev/null
@@ -1,189 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (c) 2000-2006 PMC-Sierra INC.
- *
- * PMC-SIERRA INC. DISCLAIMS ANY LIABILITY OF ANY KIND
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS
- * SOFTWARE.
- */
-
-#ifndef _MSP_PCI_H_
-#define _MSP_PCI_H_
-
-#define MSP_HAS_PCI(ID) (((u32)(ID) <= 0x4236) && ((u32)(ID) >= 0x4220))
-
-/*
- * It is convenient to program the OATRAN register so that
- * Athena virtual address space and PCI address space are
- * the same. This is not a requirement, just a convenience.
- *
- * The only hard restrictions on the value of OATRAN is that
- * OATRAN must not be programmed to allow translated memory
- * addresses to fall within the lowest 512MB of
- * PCI address space. This region is hardcoded
- * for use as Athena PCI Host Controller target
- * access memory space to the Athena's SDRAM.
- *
- * Note that OATRAN applies only to memory accesses, not
- * to I/O accesses.
- *
- * To program OATRAN to make Athena virtual address space
- * and PCI address space have the same values, OATRAN
- * is to be programmed to 0xB8000000. The top seven
- * bits of the value mimic the seven bits clipped off
- * by the PCI Host controller.
- *
- * With OATRAN at the said value, when the CPU does
- * an access to its virtual address at, say 0xB900_5000,
- * the address appearing on the PCI bus will be
- * 0xB900_5000.
- * - Michael Penner
- */
-#define MSP_PCI_OATRAN 0xB8000000UL
-
-#define MSP_PCI_SPACE_BASE (MSP_PCI_OATRAN + 0x1002000UL)
-#define MSP_PCI_SPACE_SIZE (0x3000000UL - 0x2000)
-#define MSP_PCI_SPACE_END \
- (MSP_PCI_SPACE_BASE + MSP_PCI_SPACE_SIZE - 1)
-#define MSP_PCI_IOSPACE_BASE (MSP_PCI_OATRAN + 0x1001000UL)
-#define MSP_PCI_IOSPACE_SIZE 0x1000
-#define MSP_PCI_IOSPACE_END \
- (MSP_PCI_IOSPACE_BASE + MSP_PCI_IOSPACE_SIZE - 1)
-
-/* IRQ for PCI status interrupts */
-#define PCI_STAT_IRQ 20
-
-#define QFLUSH_REG_1 0xB7F40000
-
-typedef volatile unsigned int pcireg;
-typedef void * volatile ppcireg;
-
-struct pci_block_copy
-{
- pcireg unused1; /* +0x00 */
- pcireg unused2; /* +0x04 */
- ppcireg unused3; /* +0x08 */
- ppcireg unused4; /* +0x0C */
- pcireg unused5; /* +0x10 */
- pcireg unused6; /* +0x14 */
- pcireg unused7; /* +0x18 */
- ppcireg unused8; /* +0x1C */
- ppcireg unused9; /* +0x20 */
- pcireg unusedA; /* +0x24 */
- ppcireg unusedB; /* +0x28 */
- ppcireg unusedC; /* +0x2C */
-};
-
-enum
-{
- config_device_vendor, /* 0 */
- config_status_command, /* 1 */
- config_class_revision, /* 2 */
- config_BIST_header_latency_cache, /* 3 */
- config_BAR0, /* 4 */
- config_BAR1, /* 5 */
- config_BAR2, /* 6 */
- config_not_used7, /* 7 */
- config_not_used8, /* 8 */
- config_not_used9, /* 9 */
- config_CIS, /* 10 */
- config_subsystem, /* 11 */
- config_not_used12, /* 12 */
- config_capabilities, /* 13 */
- config_not_used14, /* 14 */
- config_lat_grant_irq, /* 15 */
- config_message_control,/* 16 */
- config_message_addr, /* 17 */
- config_message_data, /* 18 */
- config_VPD_addr, /* 19 */
- config_VPD_data, /* 20 */
- config_maxregs /* 21 - number of registers */
-};
-
-struct msp_pci_regs
-{
- pcireg hop_unused_00; /* +0x00 */
- pcireg hop_unused_04; /* +0x04 */
- pcireg hop_unused_08; /* +0x08 */
- pcireg hop_unused_0C; /* +0x0C */
- pcireg hop_unused_10; /* +0x10 */
- pcireg hop_unused_14; /* +0x14 */
- pcireg hop_unused_18; /* +0x18 */
- pcireg hop_unused_1C; /* +0x1C */
- pcireg hop_unused_20; /* +0x20 */
- pcireg hop_unused_24; /* +0x24 */
- pcireg hop_unused_28; /* +0x28 */
- pcireg hop_unused_2C; /* +0x2C */
- pcireg hop_unused_30; /* +0x30 */
- pcireg hop_unused_34; /* +0x34 */
- pcireg if_control; /* +0x38 */
- pcireg oatran; /* +0x3C */
- pcireg reset_ctl; /* +0x40 */
- pcireg config_addr; /* +0x44 */
- pcireg hop_unused_48; /* +0x48 */
- pcireg msg_signaled_int_status; /* +0x4C */
- pcireg msg_signaled_int_mask; /* +0x50 */
- pcireg if_status; /* +0x54 */
- pcireg if_mask; /* +0x58 */
- pcireg hop_unused_5C; /* +0x5C */
- pcireg hop_unused_60; /* +0x60 */
- pcireg hop_unused_64; /* +0x64 */
- pcireg hop_unused_68; /* +0x68 */
- pcireg hop_unused_6C; /* +0x6C */
- pcireg hop_unused_70; /* +0x70 */
-
- struct pci_block_copy pci_bc[2] __attribute__((aligned(64)));
-
- pcireg error_hdr1; /* +0xE0 */
- pcireg error_hdr2; /* +0xE4 */
-
- pcireg config[config_maxregs] __attribute__((aligned(256)));
-
-};
-
-#define BPCI_CFGADDR_BUSNUM_SHF 16
-#define BPCI_CFGADDR_FUNCTNUM_SHF 8
-#define BPCI_CFGADDR_REGNUM_SHF 2
-#define BPCI_CFGADDR_ENABLE (1<<31)
-
-#define BPCI_IFCONTROL_RTO (1<<20) /* Retry timeout */
-#define BPCI_IFCONTROL_HCE (1<<16) /* Host configuration enable */
-#define BPCI_IFCONTROL_CTO_SHF 12 /* Shift count for CTO bits */
-#define BPCI_IFCONTROL_SE (1<<5) /* Enable exceptions on errors */
-#define BPCI_IFCONTROL_BIST (1<<4) /* Use BIST in per. mode */
-#define BPCI_IFCONTROL_CAP (1<<3) /* Enable capabilities */
-#define BPCI_IFCONTROL_MMC_SHF 0 /* Shift count for MMC bits */
-
-#define BPCI_IFSTATUS_MGT (1<<8) /* Master Grant timeout */
-#define BPCI_IFSTATUS_MTT (1<<9) /* Master TRDY timeout */
-#define BPCI_IFSTATUS_MRT (1<<10) /* Master retry timeout */
-#define BPCI_IFSTATUS_BC0F (1<<13) /* Block copy 0 fault */
-#define BPCI_IFSTATUS_BC1F (1<<14) /* Block copy 1 fault */
-#define BPCI_IFSTATUS_PCIU (1<<15) /* PCI unable to respond */
-#define BPCI_IFSTATUS_BSIZ (1<<16) /* PCI access with illegal size */
-#define BPCI_IFSTATUS_BADD (1<<17) /* PCI access with illegal addr */
-#define BPCI_IFSTATUS_RTO (1<<18) /* Retry time out */
-#define BPCI_IFSTATUS_SER (1<<19) /* System error */
-#define BPCI_IFSTATUS_PER (1<<20) /* Parity error */
-#define BPCI_IFSTATUS_LCA (1<<21) /* Local CPU abort */
-#define BPCI_IFSTATUS_MEM (1<<22) /* Memory prot. violation */
-#define BPCI_IFSTATUS_ARB (1<<23) /* Arbiter timed out */
-#define BPCI_IFSTATUS_STA (1<<27) /* Signaled target abort */
-#define BPCI_IFSTATUS_TA (1<<28) /* Target abort */
-#define BPCI_IFSTATUS_MA (1<<29) /* Master abort */
-#define BPCI_IFSTATUS_PEI (1<<30) /* Parity error as initiator */
-#define BPCI_IFSTATUS_PET (1<<31) /* Parity error as target */
-
-#define BPCI_RESETCTL_PR (1<<0) /* True if reset asserted */
-#define BPCI_RESETCTL_RT (1<<4) /* Release time */
-#define BPCI_RESETCTL_CT (1<<8) /* Config time */
-#define BPCI_RESETCTL_PE (1<<12) /* PCI enabled */
-#define BPCI_RESETCTL_HM (1<<13) /* PCI host mode */
-#define BPCI_RESETCTL_RI (1<<14) /* PCI reset in */
-
-extern struct msp_pci_regs msp_pci_regs
- __attribute__((section(".register")));
-extern unsigned long msp_pci_config_space
- __attribute__((section(".register")));
-
-#endif /* !_MSP_PCI_H_ */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_prom.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_prom.h
deleted file mode 100644
index 4120a01c30a9..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_prom.h
+++ /dev/null
@@ -1,159 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * MIPS boards bootprom interface for the Linux kernel.
- *
- * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
- * Author: Carsten Langgaard, carstenl@mips.com
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#ifndef _ASM_MSP_PROM_H
-#define _ASM_MSP_PROM_H
-
-#include <linux/types.h>
-
-#define DEVICEID "deviceid"
-#define FEATURES "features"
-#define PROM_ENV "prom_env"
-#define PROM_ENV_FILE "/proc/"PROM_ENV
-#define PROM_ENV_SIZE 256
-
-#define CPU_DEVID_FAMILY 0x0000ff00
-#define CPU_DEVID_REVISION 0x000000ff
-
-#define FPGA_IS_POLO(revision) \
- (((revision >= 0xb0) && (revision < 0xd0)))
-#define FPGA_IS_5000(revision) \
- ((revision >= 0x80) && (revision <= 0x90))
-#define FPGA_IS_ZEUS(revision) ((revision < 0x7f))
-#define FPGA_IS_DUET(revision) \
- (((revision >= 0xa0) && (revision < 0xb0)))
-#define FPGA_IS_MSP4200(revision) ((revision >= 0xd0))
-#define FPGA_IS_MSP7100(revision) ((revision >= 0xd0))
-
-#define MACHINE_TYPE_POLO "POLO"
-#define MACHINE_TYPE_DUET "DUET"
-#define MACHINE_TYPE_ZEUS "ZEUS"
-#define MACHINE_TYPE_MSP2000REVB "MSP2000REVB"
-#define MACHINE_TYPE_MSP5000 "MSP5000"
-#define MACHINE_TYPE_MSP4200 "MSP4200"
-#define MACHINE_TYPE_MSP7120 "MSP7120"
-#define MACHINE_TYPE_MSP7130 "MSP7130"
-#define MACHINE_TYPE_OTHER "OTHER"
-
-#define MACHINE_TYPE_POLO_FPGA "POLO-FPGA"
-#define MACHINE_TYPE_DUET_FPGA "DUET-FPGA"
-#define MACHINE_TYPE_ZEUS_FPGA "ZEUS_FPGA"
-#define MACHINE_TYPE_MSP2000REVB_FPGA "MSP2000REVB-FPGA"
-#define MACHINE_TYPE_MSP5000_FPGA "MSP5000-FPGA"
-#define MACHINE_TYPE_MSP4200_FPGA "MSP4200-FPGA"
-#define MACHINE_TYPE_MSP7100_FPGA "MSP7100-FPGA"
-#define MACHINE_TYPE_OTHER_FPGA "OTHER-FPGA"
-
-/* Device Family definitions */
-#define FAMILY_FPGA 0x0000
-#define FAMILY_ZEUS 0x1000
-#define FAMILY_POLO 0x2000
-#define FAMILY_DUET 0x4000
-#define FAMILY_TRIAD 0x5000
-#define FAMILY_MSP4200 0x4200
-#define FAMILY_MSP4200_FPGA 0x4f00
-#define FAMILY_MSP7100 0x7100
-#define FAMILY_MSP7100_FPGA 0x7f00
-
-/* Device Type definitions */
-#define TYPE_MSP7120 0x7120
-#define TYPE_MSP7130 0x7130
-
-#define ENET_KEY 'E'
-#define ENETTXD_KEY 'e'
-#define PCI_KEY 'P'
-#define PCIMUX_KEY 'p'
-#define SEC_KEY 'S'
-#define SPAD_KEY 'D'
-#define TDM_KEY 'T'
-#define ZSP_KEY 'Z'
-
-#define FEATURE_NOEXIST '-'
-#define FEATURE_EXIST '+'
-
-#define ENET_MII 'M'
-#define ENET_RMII 'R'
-
-#define ENETTXD_FALLING 'F'
-#define ENETTXD_RISING 'R'
-
-#define PCI_HOST 'H'
-#define PCI_PERIPHERAL 'P'
-
-#define PCIMUX_FULL 'F'
-#define PCIMUX_SINGLE 'S'
-
-#define SEC_DUET 'D'
-#define SEC_POLO 'P'
-#define SEC_SLOW 'S'
-#define SEC_TRIAD 'T'
-
-#define SPAD_POLO 'P'
-
-#define TDM_DUET 'D' /* DUET TDMs might exist */
-#define TDM_POLO 'P' /* POLO TDMs might exist */
-#define TDM_TRIAD 'T' /* TRIAD TDMs might exist */
-
-#define ZSP_DUET 'D' /* one DUET zsp engine */
-#define ZSP_TRIAD 'T' /* two TRIAD zsp engines */
-
-extern char *prom_getenv(char *name);
-extern void prom_init_cmdline(void);
-extern void prom_meminit(void);
-extern void prom_fixup_mem_map(unsigned long start_mem,
- unsigned long end_mem);
-
-extern int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr);
-extern unsigned long get_deviceid(void);
-extern char identify_enet(unsigned long interface_num);
-extern char identify_enetTxD(unsigned long interface_num);
-extern char identify_pci(void);
-extern char identify_sec(void);
-extern char identify_spad(void);
-extern char identify_sec(void);
-extern char identify_tdm(void);
-extern char identify_zsp(void);
-extern unsigned long identify_family(void);
-extern unsigned long identify_revision(void);
-
-/*
- * The following macro calls prom_printf and puts the format string
- * into an init section so it can be reclaimed.
- */
-#define ppfinit(f, x...) \
- do { \
- static char _f[] __initdata = KERN_INFO f; \
- printk(_f, ## x); \
- } while (0)
-
-/* Memory descriptor management. */
-#define PROM_MAX_PMEMBLOCKS 7 /* 6 used */
-
-enum yamon_memtypes {
- yamon_dontuse,
- yamon_prom,
- yamon_free,
-};
-
-struct prom_pmemblock {
- unsigned long base; /* Within KSEG0. */
- unsigned int size; /* In bytes. */
- unsigned int type; /* free or prom memory */
-};
-
-extern int prom_argc;
-extern char **prom_argv;
-extern char **prom_envp;
-extern int *prom_vec;
-extern struct prom_pmemblock *prom_getmdesc(void);
-
-#endif /* !_ASM_MSP_PROM_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h
deleted file mode 100644
index 90dbe43c8d27..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regops.h
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * SMP/VPE-safe functions to access "registers" (see note).
- *
- * NOTES:
-* - These macros use ll/sc instructions, so it is your responsibility to
- * ensure these are available on your platform before including this file.
- * - The MIPS32 spec states that ll/sc results are undefined for uncached
- * accesses. This means they can't be used on HW registers accessed
- * through kseg1. Code which requires these macros for this purpose must
- * front-end the registers with cached memory "registers" and have a single
- * thread update the actual HW registers.
- * - A maximum of 2k of code can be inserted between ll and sc. Every
- * memory accesses between the instructions will increase the chance of
- * sc failing and having to loop.
- * - When using custom_read_reg32/custom_write_reg32 only perform the
- * necessary logical operations on the register value in between these
- * two calls. All other logic should be performed before the first call.
- * - There is a bug on the R10000 chips which has a workaround. If you
- * are affected by this bug, make sure to define the symbol 'R10000_LLSC_WAR'
- * to be non-zero. If you are using this header from within linux, you may
- * include <asm/war.h> before including this file to have this defined
- * appropriately for you.
- *
- * Copyright 2005-2007 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc., 675
- * Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __ASM_REGOPS_H__
-#define __ASM_REGOPS_H__
-
-#include <linux/types.h>
-
-#include <asm/compiler.h>
-#include <asm/war.h>
-
-#ifndef R10000_LLSC_WAR
-#define R10000_LLSC_WAR 0
-#endif
-
-#if R10000_LLSC_WAR == 1
-#define __beqz "beqzl "
-#else
-#define __beqz "beqz "
-#endif
-
-#ifndef _LINUX_TYPES_H
-typedef unsigned int u32;
-#endif
-
-/*
- * Sets all the masked bits to the corresponding value bits
- */
-static inline void set_value_reg32(volatile u32 *const addr,
- u32 const mask,
- u32 const value)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set arch=r4000 \n"
- "1: ll %0, %1 # set_value_reg32 \n"
- " and %0, %2 \n"
- " or %0, %3 \n"
- " sc %0, %1 \n"
- " "__beqz"%0, 1b \n"
- " nop \n"
- " .set pop \n"
- : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*addr)
- : "ir" (~mask), "ir" (value), GCC_OFF_SMALL_ASM() (*addr));
-}
-
-/*
- * Sets all the masked bits to '1'
- */
-static inline void set_reg32(volatile u32 *const addr,
- u32 const mask)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set arch=r4000 \n"
- "1: ll %0, %1 # set_reg32 \n"
- " or %0, %2 \n"
- " sc %0, %1 \n"
- " "__beqz"%0, 1b \n"
- " nop \n"
- " .set pop \n"
- : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*addr)
- : "ir" (mask), GCC_OFF_SMALL_ASM() (*addr));
-}
-
-/*
- * Sets all the masked bits to '0'
- */
-static inline void clear_reg32(volatile u32 *const addr,
- u32 const mask)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set arch=r4000 \n"
- "1: ll %0, %1 # clear_reg32 \n"
- " and %0, %2 \n"
- " sc %0, %1 \n"
- " "__beqz"%0, 1b \n"
- " nop \n"
- " .set pop \n"
- : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*addr)
- : "ir" (~mask), GCC_OFF_SMALL_ASM() (*addr));
-}
-
-/*
- * Toggles all masked bits from '0' to '1' and '1' to '0'
- */
-static inline void toggle_reg32(volatile u32 *const addr,
- u32 const mask)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set arch=r4000 \n"
- "1: ll %0, %1 # toggle_reg32 \n"
- " xor %0, %2 \n"
- " sc %0, %1 \n"
- " "__beqz"%0, 1b \n"
- " nop \n"
- " .set pop \n"
- : "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*addr)
- : "ir" (mask), GCC_OFF_SMALL_ASM() (*addr));
-}
-
-/*
- * Read all masked bits others are returned as '0'
- */
-static inline u32 read_reg32(volatile u32 *const addr,
- u32 const mask)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set noreorder \n"
- " lw %0, %1 # read \n"
- " and %0, %2 # mask \n"
- " .set pop \n"
- : "=&r" (temp)
- : "m" (*addr), "ir" (mask));
-
- return temp;
-}
-
-/*
- * blocking_read_reg32 - Read address with blocking load
- *
- * Uncached writes need to be read back to ensure they reach RAM.
- * The returned value must be 'used' to prevent from becoming a
- * non-blocking load.
- */
-static inline u32 blocking_read_reg32(volatile u32 *const addr)
-{
- u32 temp;
-
- __asm__ __volatile__(
- " .set push \n"
- " .set noreorder \n"
- " lw %0, %1 # read \n"
- " move %0, %0 # block \n"
- " .set pop \n"
- : "=&r" (temp)
- : "m" (*addr));
-
- return temp;
-}
-
-/*
- * For special strange cases only:
- *
- * If you need custom processing within a ll/sc loop, use the following macros
- * VERY CAREFULLY:
- *
- * u32 tmp; <-- Define a variable to hold the data
- *
- * custom_read_reg32(address, tmp); <-- Reads the address and put the value
- * in the 'tmp' variable given
- *
- * From here on out, you are (basically) atomic, so don't do anything too
- * fancy!
- * Also, this code may loop if the end of this block fails to write
- * everything back safely due do the other CPU, so do NOT do anything
- * with side-effects!
- *
- * custom_write_reg32(address, tmp); <-- Writes back 'tmp' safely.
- */
-#define custom_read_reg32(address, tmp) \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set arch=r4000 \n" \
- "1: ll %0, %1 #custom_read_reg32 \n" \
- " .set pop \n" \
- : "=r" (tmp), "=" GCC_OFF_SMALL_ASM() (*address) \
- : GCC_OFF_SMALL_ASM() (*address))
-
-#define custom_write_reg32(address, tmp) \
- __asm__ __volatile__( \
- " .set push \n" \
- " .set arch=r4000 \n" \
- " sc %0, %1 #custom_write_reg32 \n" \
- " "__beqz"%0, 1b \n" \
- " nop \n" \
- " .set pop \n" \
- : "=&r" (tmp), "=" GCC_OFF_SMALL_ASM() (*address) \
- : "0" (tmp), GCC_OFF_SMALL_ASM() (*address))
-
-#endif /* __ASM_REGOPS_H__ */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regs.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regs.h
deleted file mode 100644
index e2ce9be51f3f..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_regs.h
+++ /dev/null
@@ -1,652 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Defines for the address space, registers and register configuration
- * (bit masks, access macros etc) for the PMC-Sierra line of MSP products.
- * This file contains addess maps for all the devices in the line of
- * products but only has register definitions and configuration masks for
- * registers which aren't definitely associated with any device. Things
- * like clock settings, reset access, the ELB etc. Individual device
- * drivers will reference the appropriate XXX_BASE value defined here
- * and have individual registers offset from that.
- *
- * Copyright (C) 2005-2007 PMC-Sierra, Inc. All rights reserved.
- * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#include <asm/addrspace.h>
-#include <linux/types.h>
-
-#ifndef _ASM_MSP_REGS_H
-#define _ASM_MSP_REGS_H
-
-/*
- ########################################################################
- # Address space and device base definitions #
- ########################################################################
- */
-
-/*
- ***************************************************************************
- * System Logic and Peripherals (ELB, UART0, etc) device address space *
- ***************************************************************************
- */
-#define MSP_SLP_BASE 0x1c000000
- /* System Logic and Peripherals */
-#define MSP_RST_BASE (MSP_SLP_BASE + 0x10)
- /* System reset register base */
-#define MSP_RST_SIZE 0x0C /* System reset register space */
-
-#define MSP_WTIMER_BASE (MSP_SLP_BASE + 0x04C)
- /* watchdog timer base */
-#define MSP_ITIMER_BASE (MSP_SLP_BASE + 0x054)
- /* internal timer base */
-#define MSP_UART0_BASE (MSP_SLP_BASE + 0x100)
- /* UART0 controller base */
-#define MSP_BCPY_CTRL_BASE (MSP_SLP_BASE + 0x120)
- /* Block Copy controller base */
-#define MSP_BCPY_DESC_BASE (MSP_SLP_BASE + 0x160)
- /* Block Copy descriptor base */
-
-/*
- ***************************************************************************
- * PCI address space *
- ***************************************************************************
- */
-#define MSP_PCI_BASE 0x19000000
-
-/*
- ***************************************************************************
- * MSbus device address space *
- ***************************************************************************
- */
-#define MSP_MSB_BASE 0x18000000
- /* MSbus address start */
-#define MSP_PER_BASE (MSP_MSB_BASE + 0x400000)
- /* Peripheral device registers */
-#define MSP_MAC0_BASE (MSP_MSB_BASE + 0x600000)
- /* MAC A device registers */
-#define MSP_MAC1_BASE (MSP_MSB_BASE + 0x700000)
- /* MAC B device registers */
-#define MSP_MAC_SIZE 0xE0 /* MAC register space */
-
-#define MSP_SEC_BASE (MSP_MSB_BASE + 0x800000)
- /* Security Engine registers */
-#define MSP_MAC2_BASE (MSP_MSB_BASE + 0x900000)
- /* MAC C device registers */
-#define MSP_ADSL2_BASE (MSP_MSB_BASE + 0xA80000)
- /* ADSL2 device registers */
-#define MSP_USB0_BASE (MSP_MSB_BASE + 0xB00000)
- /* USB0 device registers */
-#define MSP_USB1_BASE (MSP_MSB_BASE + 0x300000)
- /* USB1 device registers */
-#define MSP_CPUIF_BASE (MSP_MSB_BASE + 0xC00000)
- /* CPU interface registers */
-
-/* Devices within the MSbus peripheral block */
-#define MSP_UART1_BASE (MSP_PER_BASE + 0x030)
- /* UART1 controller base */
-#define MSP_SPI_BASE (MSP_PER_BASE + 0x058)
- /* SPI/MPI control registers */
-#define MSP_TWI_BASE (MSP_PER_BASE + 0x090)
- /* Two-wire control registers */
-#define MSP_PTIMER_BASE (MSP_PER_BASE + 0x0F0)
- /* Programmable timer control */
-
-/*
- ***************************************************************************
- * Physical Memory configuration address space *
- ***************************************************************************
- */
-#define MSP_MEM_CFG_BASE 0x17f00000
-
-#define MSP_MEM_INDIRECT_CTL_10 0x10
-
-/*
- * Notes:
- * 1) The SPI registers are split into two blocks, one offset from the
- * MSP_SPI_BASE by 0x00 and the other offset from the MSP_SPI_BASE by
- * 0x68. The SPI driver definitions for the register must be aware
- * of this.
- * 2) The block copy engine register are divided into two regions, one
- * for the control/configuration of the engine proper and one for the
- * values of the descriptors used in the copy process. These have
- * different base defines (CTRL_BASE vs DESC_BASE)
- * 3) These constants are for physical addresses which means that they
- * work correctly with "ioremap" and friends. This means that device
- * drivers will need to remap these addresses using ioremap and perhaps
- * the readw/writew macros. Or they could use the regptr() macro
- * defined below, but the readw/writew calls are the correct thing.
- * 4) The UARTs have an additional status register offset from the base
- * address. This register isn't used in the standard 8250 driver but
- * may be used in other software. Consult the hardware datasheet for
- * offset details.
- * 5) For some unknown reason the security engine (MSP_SEC_BASE) registers
- * start at an offset of 0x84 from the base address but the block of
- * registers before this is reserved for the security engine. The
- * driver will have to be aware of this but it makes the register
- * definitions line up better with the documentation.
- */
-
-/*
- ########################################################################
- # System register definitions. Not associated with a specific device #
- ########################################################################
- */
-
-/*
- * This macro maps the physical register number into uncached space
- * and (for C code) casts it into a u32 pointer so it can be dereferenced
- * Normally these would be accessed with ioremap and readX/writeX, but
- * these are convenient for a lot of internal kernel code.
- */
-#ifdef __ASSEMBLER__
- #define regptr(addr) (KSEG1ADDR(addr))
-#else
- #define regptr(addr) ((volatile u32 *const)(KSEG1ADDR(addr)))
-#endif
-
-/*
- ***************************************************************************
- * System Logic and Peripherals (RESET, ELB, etc) registers *
- ***************************************************************************
- */
-
-/* System Control register definitions */
-#define DEV_ID_REG regptr(MSP_SLP_BASE + 0x00)
- /* Device-ID RO */
-#define FWR_ID_REG regptr(MSP_SLP_BASE + 0x04)
- /* Firmware-ID Register RW */
-#define SYS_ID_REG0 regptr(MSP_SLP_BASE + 0x08)
- /* System-ID Register-0 RW */
-#define SYS_ID_REG1 regptr(MSP_SLP_BASE + 0x0C)
- /* System-ID Register-1 RW */
-
-/* System Reset register definitions */
-#define RST_STS_REG regptr(MSP_SLP_BASE + 0x10)
- /* System Reset Status RO */
-#define RST_SET_REG regptr(MSP_SLP_BASE + 0x14)
- /* System Set Reset WO */
-#define RST_CLR_REG regptr(MSP_SLP_BASE + 0x18)
- /* System Clear Reset WO */
-
-/* System Clock Registers */
-#define PCI_SLP_REG regptr(MSP_SLP_BASE + 0x1C)
- /* PCI clock generator RW */
-#define URT_SLP_REG regptr(MSP_SLP_BASE + 0x20)
- /* UART clock generator RW */
-/* reserved (MSP_SLP_BASE + 0x24) */
-/* reserved (MSP_SLP_BASE + 0x28) */
-#define PLL1_SLP_REG regptr(MSP_SLP_BASE + 0x2C)
- /* PLL1 clock generator RW */
-#define PLL0_SLP_REG regptr(MSP_SLP_BASE + 0x30)
- /* PLL0 clock generator RW */
-#define MIPS_SLP_REG regptr(MSP_SLP_BASE + 0x34)
- /* MIPS clock generator RW */
-#define VE_SLP_REG regptr(MSP_SLP_BASE + 0x38)
- /* Voice Eng clock generator RW */
-/* reserved (MSP_SLP_BASE + 0x3C) */
-#define MSB_SLP_REG regptr(MSP_SLP_BASE + 0x40)
- /* MS-Bus clock generator RW */
-#define SMAC_SLP_REG regptr(MSP_SLP_BASE + 0x44)
- /* Sec & MAC clock generator RW */
-#define PERF_SLP_REG regptr(MSP_SLP_BASE + 0x48)
- /* Per & TDM clock generator RW */
-
-/* Interrupt Controller Registers */
-#define SLP_INT_STS_REG regptr(MSP_SLP_BASE + 0x70)
- /* Interrupt status register RW */
-#define SLP_INT_MSK_REG regptr(MSP_SLP_BASE + 0x74)
- /* Interrupt enable/mask RW */
-#define SE_MBOX_REG regptr(MSP_SLP_BASE + 0x78)
- /* Security Engine mailbox RW */
-#define VE_MBOX_REG regptr(MSP_SLP_BASE + 0x7C)
- /* Voice Engine mailbox RW */
-
-/* ELB Controller Registers */
-#define CS0_CNFG_REG regptr(MSP_SLP_BASE + 0x80)
- /* ELB CS0 Configuration Reg */
-#define CS0_ADDR_REG regptr(MSP_SLP_BASE + 0x84)
- /* ELB CS0 Base Address Reg */
-#define CS0_MASK_REG regptr(MSP_SLP_BASE + 0x88)
- /* ELB CS0 Mask Register */
-#define CS0_ACCESS_REG regptr(MSP_SLP_BASE + 0x8C)
- /* ELB CS0 access register */
-
-#define CS1_CNFG_REG regptr(MSP_SLP_BASE + 0x90)
- /* ELB CS1 Configuration Reg */
-#define CS1_ADDR_REG regptr(MSP_SLP_BASE + 0x94)
- /* ELB CS1 Base Address Reg */
-#define CS1_MASK_REG regptr(MSP_SLP_BASE + 0x98)
- /* ELB CS1 Mask Register */
-#define CS1_ACCESS_REG regptr(MSP_SLP_BASE + 0x9C)
- /* ELB CS1 access register */
-
-#define CS2_CNFG_REG regptr(MSP_SLP_BASE + 0xA0)
- /* ELB CS2 Configuration Reg */
-#define CS2_ADDR_REG regptr(MSP_SLP_BASE + 0xA4)
- /* ELB CS2 Base Address Reg */
-#define CS2_MASK_REG regptr(MSP_SLP_BASE + 0xA8)
- /* ELB CS2 Mask Register */
-#define CS2_ACCESS_REG regptr(MSP_SLP_BASE + 0xAC)
- /* ELB CS2 access register */
-
-#define CS3_CNFG_REG regptr(MSP_SLP_BASE + 0xB0)
- /* ELB CS3 Configuration Reg */
-#define CS3_ADDR_REG regptr(MSP_SLP_BASE + 0xB4)
- /* ELB CS3 Base Address Reg */
-#define CS3_MASK_REG regptr(MSP_SLP_BASE + 0xB8)
- /* ELB CS3 Mask Register */
-#define CS3_ACCESS_REG regptr(MSP_SLP_BASE + 0xBC)
- /* ELB CS3 access register */
-
-#define CS4_CNFG_REG regptr(MSP_SLP_BASE + 0xC0)
- /* ELB CS4 Configuration Reg */
-#define CS4_ADDR_REG regptr(MSP_SLP_BASE + 0xC4)
- /* ELB CS4 Base Address Reg */
-#define CS4_MASK_REG regptr(MSP_SLP_BASE + 0xC8)
- /* ELB CS4 Mask Register */
-#define CS4_ACCESS_REG regptr(MSP_SLP_BASE + 0xCC)
- /* ELB CS4 access register */
-
-#define CS5_CNFG_REG regptr(MSP_SLP_BASE + 0xD0)
- /* ELB CS5 Configuration Reg */
-#define CS5_ADDR_REG regptr(MSP_SLP_BASE + 0xD4)
- /* ELB CS5 Base Address Reg */
-#define CS5_MASK_REG regptr(MSP_SLP_BASE + 0xD8)
- /* ELB CS5 Mask Register */
-#define CS5_ACCESS_REG regptr(MSP_SLP_BASE + 0xDC)
- /* ELB CS5 access register */
-
-/* reserved 0xE0 - 0xE8 */
-#define ELB_1PC_EN_REG regptr(MSP_SLP_BASE + 0xEC)
- /* ELB single PC card detect */
-
-/* reserved 0xF0 - 0xF8 */
-#define ELB_CLK_CFG_REG regptr(MSP_SLP_BASE + 0xFC)
- /* SDRAM read/ELB timing Reg */
-
-/* Extended UART status registers */
-#define UART0_STATUS_REG regptr(MSP_UART0_BASE + 0x0c0)
- /* UART Status Register 0 */
-#define UART1_STATUS_REG regptr(MSP_UART1_BASE + 0x170)
- /* UART Status Register 1 */
-
-/* Performance monitoring registers */
-#define PERF_MON_CTRL_REG regptr(MSP_SLP_BASE + 0x140)
- /* Performance monitor control */
-#define PERF_MON_CLR_REG regptr(MSP_SLP_BASE + 0x144)
- /* Performance monitor clear */
-#define PERF_MON_CNTH_REG regptr(MSP_SLP_BASE + 0x148)
- /* Perf monitor counter high */
-#define PERF_MON_CNTL_REG regptr(MSP_SLP_BASE + 0x14C)
- /* Perf monitor counter low */
-
-/* System control registers */
-#define SYS_CTRL_REG regptr(MSP_SLP_BASE + 0x150)
- /* System control register */
-#define SYS_ERR1_REG regptr(MSP_SLP_BASE + 0x154)
- /* System Error status 1 */
-#define SYS_ERR2_REG regptr(MSP_SLP_BASE + 0x158)
- /* System Error status 2 */
-#define SYS_INT_CFG_REG regptr(MSP_SLP_BASE + 0x15C)
- /* System Interrupt config */
-
-/* Voice Engine Memory configuration */
-#define VE_MEM_REG regptr(MSP_SLP_BASE + 0x17C)
- /* Voice engine memory config */
-
-/* CPU/SLP Error Status registers */
-#define CPU_ERR1_REG regptr(MSP_SLP_BASE + 0x180)
- /* CPU/SLP Error status 1 */
-#define CPU_ERR2_REG regptr(MSP_SLP_BASE + 0x184)
- /* CPU/SLP Error status 1 */
-
-/* Extended GPIO registers */
-#define EXTENDED_GPIO1_REG regptr(MSP_SLP_BASE + 0x188)
-#define EXTENDED_GPIO2_REG regptr(MSP_SLP_BASE + 0x18c)
-#define EXTENDED_GPIO_REG EXTENDED_GPIO1_REG
- /* Backward-compatibility */
-
-/* System Error registers */
-#define SLP_ERR_STS_REG regptr(MSP_SLP_BASE + 0x190)
- /* Int status for SLP errors */
-#define SLP_ERR_MSK_REG regptr(MSP_SLP_BASE + 0x194)
- /* Int mask for SLP errors */
-#define SLP_ELB_ERST_REG regptr(MSP_SLP_BASE + 0x198)
- /* External ELB reset */
-#define SLP_BOOT_STS_REG regptr(MSP_SLP_BASE + 0x19C)
- /* Boot Status */
-
-/* Extended ELB addressing */
-#define CS0_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A0)
- /* CS0 Extended address */
-#define CS1_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A4)
- /* CS1 Extended address */
-#define CS2_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A8)
- /* CS2 Extended address */
-#define CS3_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1AC)
- /* CS3 Extended address */
-/* reserved 0x1B0 */
-#define CS5_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1B4)
- /* CS5 Extended address */
-
-/* PLL Adjustment registers */
-#define PLL_LOCK_REG regptr(MSP_SLP_BASE + 0x200)
- /* PLL0 lock status */
-#define PLL_ARST_REG regptr(MSP_SLP_BASE + 0x204)
- /* PLL Analog reset status */
-#define PLL0_ADJ_REG regptr(MSP_SLP_BASE + 0x208)
- /* PLL0 Adjustment value */
-#define PLL1_ADJ_REG regptr(MSP_SLP_BASE + 0x20C)
- /* PLL1 Adjustment value */
-
-/*
- ***************************************************************************
- * Peripheral Register definitions *
- ***************************************************************************
- */
-
-/* Peripheral status */
-#define PER_CTRL_REG regptr(MSP_PER_BASE + 0x50)
- /* Peripheral control register */
-#define PER_STS_REG regptr(MSP_PER_BASE + 0x54)
- /* Peripheral status register */
-
-/* SPI/MPI Registers */
-#define SMPI_TX_SZ_REG regptr(MSP_PER_BASE + 0x58)
- /* SPI/MPI Tx Size register */
-#define SMPI_RX_SZ_REG regptr(MSP_PER_BASE + 0x5C)
- /* SPI/MPI Rx Size register */
-#define SMPI_CTL_REG regptr(MSP_PER_BASE + 0x60)
- /* SPI/MPI Control register */
-#define SMPI_MS_REG regptr(MSP_PER_BASE + 0x64)
- /* SPI/MPI Chip Select reg */
-#define SMPI_CORE_DATA_REG regptr(MSP_PER_BASE + 0xC0)
- /* SPI/MPI Core Data reg */
-#define SMPI_CORE_CTRL_REG regptr(MSP_PER_BASE + 0xC4)
- /* SPI/MPI Core Control reg */
-#define SMPI_CORE_STAT_REG regptr(MSP_PER_BASE + 0xC8)
- /* SPI/MPI Core Status reg */
-#define SMPI_CORE_SSEL_REG regptr(MSP_PER_BASE + 0xCC)
- /* SPI/MPI Core Ssel reg */
-#define SMPI_FIFO_REG regptr(MSP_PER_BASE + 0xD0)
- /* SPI/MPI Data FIFO reg */
-
-/* Peripheral Block Error Registers */
-#define PER_ERR_STS_REG regptr(MSP_PER_BASE + 0x70)
- /* Error Bit Status Register */
-#define PER_ERR_MSK_REG regptr(MSP_PER_BASE + 0x74)
- /* Error Bit Mask Register */
-#define PER_HDR1_REG regptr(MSP_PER_BASE + 0x78)
- /* Error Header 1 Register */
-#define PER_HDR2_REG regptr(MSP_PER_BASE + 0x7C)
- /* Error Header 2 Register */
-
-/* Peripheral Block Interrupt Registers */
-#define PER_INT_STS_REG regptr(MSP_PER_BASE + 0x80)
- /* Interrupt status register */
-#define PER_INT_MSK_REG regptr(MSP_PER_BASE + 0x84)
- /* Interrupt Mask Register */
-#define GPIO_INT_STS_REG regptr(MSP_PER_BASE + 0x88)
- /* GPIO interrupt status reg */
-#define GPIO_INT_MSK_REG regptr(MSP_PER_BASE + 0x8C)
- /* GPIO interrupt MASK Reg */
-
-/* POLO GPIO registers */
-#define POLO_GPIO_DAT1_REG regptr(MSP_PER_BASE + 0x0E0)
- /* Polo GPIO[8:0] data reg */
-#define POLO_GPIO_CFG1_REG regptr(MSP_PER_BASE + 0x0E4)
- /* Polo GPIO[7:0] config reg */
-#define POLO_GPIO_CFG2_REG regptr(MSP_PER_BASE + 0x0E8)
- /* Polo GPIO[15:8] config reg */
-#define POLO_GPIO_OD1_REG regptr(MSP_PER_BASE + 0x0EC)
- /* Polo GPIO[31:0] output drive */
-#define POLO_GPIO_CFG3_REG regptr(MSP_PER_BASE + 0x170)
- /* Polo GPIO[23:16] config reg */
-#define POLO_GPIO_DAT2_REG regptr(MSP_PER_BASE + 0x174)
- /* Polo GPIO[15:9] data reg */
-#define POLO_GPIO_DAT3_REG regptr(MSP_PER_BASE + 0x178)
- /* Polo GPIO[23:16] data reg */
-#define POLO_GPIO_DAT4_REG regptr(MSP_PER_BASE + 0x17C)
- /* Polo GPIO[31:24] data reg */
-#define POLO_GPIO_DAT5_REG regptr(MSP_PER_BASE + 0x180)
- /* Polo GPIO[39:32] data reg */
-#define POLO_GPIO_DAT6_REG regptr(MSP_PER_BASE + 0x184)
- /* Polo GPIO[47:40] data reg */
-#define POLO_GPIO_DAT7_REG regptr(MSP_PER_BASE + 0x188)
- /* Polo GPIO[54:48] data reg */
-#define POLO_GPIO_CFG4_REG regptr(MSP_PER_BASE + 0x18C)
- /* Polo GPIO[31:24] config reg */
-#define POLO_GPIO_CFG5_REG regptr(MSP_PER_BASE + 0x190)
- /* Polo GPIO[39:32] config reg */
-#define POLO_GPIO_CFG6_REG regptr(MSP_PER_BASE + 0x194)
- /* Polo GPIO[47:40] config reg */
-#define POLO_GPIO_CFG7_REG regptr(MSP_PER_BASE + 0x198)
- /* Polo GPIO[54:48] config reg */
-#define POLO_GPIO_OD2_REG regptr(MSP_PER_BASE + 0x19C)
- /* Polo GPIO[54:32] output drive */
-
-/* Generic GPIO registers */
-#define GPIO_DATA1_REG regptr(MSP_PER_BASE + 0x170)
- /* GPIO[1:0] data register */
-#define GPIO_DATA2_REG regptr(MSP_PER_BASE + 0x174)
- /* GPIO[5:2] data register */
-#define GPIO_DATA3_REG regptr(MSP_PER_BASE + 0x178)
- /* GPIO[9:6] data register */
-#define GPIO_DATA4_REG regptr(MSP_PER_BASE + 0x17C)
- /* GPIO[15:10] data register */
-#define GPIO_CFG1_REG regptr(MSP_PER_BASE + 0x180)
- /* GPIO[1:0] config register */
-#define GPIO_CFG2_REG regptr(MSP_PER_BASE + 0x184)
- /* GPIO[5:2] config register */
-#define GPIO_CFG3_REG regptr(MSP_PER_BASE + 0x188)
- /* GPIO[9:6] config register */
-#define GPIO_CFG4_REG regptr(MSP_PER_BASE + 0x18C)
- /* GPIO[15:10] config register */
-#define GPIO_OD_REG regptr(MSP_PER_BASE + 0x190)
- /* GPIO[15:0] output drive */
-
-/*
- ***************************************************************************
- * CPU Interface register definitions *
- ***************************************************************************
- */
-#define PCI_FLUSH_REG regptr(MSP_CPUIF_BASE + 0x00)
- /* PCI-SDRAM queue flush trigger */
-#define OCP_ERR1_REG regptr(MSP_CPUIF_BASE + 0x04)
- /* OCP Error Attribute 1 */
-#define OCP_ERR2_REG regptr(MSP_CPUIF_BASE + 0x08)
- /* OCP Error Attribute 2 */
-#define OCP_STS_REG regptr(MSP_CPUIF_BASE + 0x0C)
- /* OCP Error Status */
-#define CPUIF_PM_REG regptr(MSP_CPUIF_BASE + 0x10)
- /* CPU policy configuration */
-#define CPUIF_CFG_REG regptr(MSP_CPUIF_BASE + 0x10)
- /* Misc configuration options */
-
-/* Central Interrupt Controller Registers */
-#define MSP_CIC_BASE (MSP_CPUIF_BASE + 0x8000)
- /* Central Interrupt registers */
-#define CIC_EXT_CFG_REG regptr(MSP_CIC_BASE + 0x00)
- /* External interrupt config */
-#define CIC_STS_REG regptr(MSP_CIC_BASE + 0x04)
- /* CIC Interrupt Status */
-#define CIC_VPE0_MSK_REG regptr(MSP_CIC_BASE + 0x08)
- /* VPE0 Interrupt Mask */
-#define CIC_VPE1_MSK_REG regptr(MSP_CIC_BASE + 0x0C)
- /* VPE1 Interrupt Mask */
-#define CIC_TC0_MSK_REG regptr(MSP_CIC_BASE + 0x10)
- /* Thread Context 0 Int Mask */
-#define CIC_TC1_MSK_REG regptr(MSP_CIC_BASE + 0x14)
- /* Thread Context 1 Int Mask */
-#define CIC_TC2_MSK_REG regptr(MSP_CIC_BASE + 0x18)
- /* Thread Context 2 Int Mask */
-#define CIC_TC3_MSK_REG regptr(MSP_CIC_BASE + 0x18)
- /* Thread Context 3 Int Mask */
-#define CIC_TC4_MSK_REG regptr(MSP_CIC_BASE + 0x18)
- /* Thread Context 4 Int Mask */
-#define CIC_PCIMSI_STS_REG regptr(MSP_CIC_BASE + 0x18)
-#define CIC_PCIMSI_MSK_REG regptr(MSP_CIC_BASE + 0x18)
-#define CIC_PCIFLSH_REG regptr(MSP_CIC_BASE + 0x18)
-#define CIC_VPE0_SWINT_REG regptr(MSP_CIC_BASE + 0x08)
-
-
-/*
- ***************************************************************************
- * Memory controller registers *
- ***************************************************************************
- */
-#define MEM_CFG1_REG regptr(MSP_MEM_CFG_BASE + 0x00)
-#define MEM_SS_ADDR regptr(MSP_MEM_CFG_BASE + 0x00)
-#define MEM_SS_DATA regptr(MSP_MEM_CFG_BASE + 0x04)
-#define MEM_SS_WRITE regptr(MSP_MEM_CFG_BASE + 0x08)
-
-/*
- ***************************************************************************
- * PCI controller registers *
- ***************************************************************************
- */
-#define PCI_BASE_REG regptr(MSP_PCI_BASE + 0x00)
-#define PCI_CONFIG_SPACE_REG regptr(MSP_PCI_BASE + 0x800)
-#define PCI_JTAG_DEVID_REG regptr(MSP_SLP_BASE + 0x13c)
-
-/*
- ########################################################################
- # Register content & macro definitions #
- ########################################################################
- */
-
-/*
- ***************************************************************************
- * DEV_ID defines *
- ***************************************************************************
- */
-#define DEV_ID_PCI_DIS (1 << 26) /* Set if PCI disabled */
-#define DEV_ID_PCI_HOST (1 << 20) /* Set if PCI host */
-#define DEV_ID_SINGLE_PC (1 << 19) /* Set if single PC Card */
-#define DEV_ID_FAMILY (0xff << 8) /* family ID code */
-#define POLO_ZEUS_SUB_FAMILY (0x7 << 16) /* sub family for Polo/Zeus */
-
-#define MSPFPGA_ID (0x00 << 8) /* you are on your own here */
-#define MSP5000_ID (0x50 << 8)
-#define MSP4F00_ID (0x4f << 8) /* FPGA version of MSP4200 */
-#define MSP4E00_ID (0x4f << 8) /* FPGA version of MSP7120 */
-#define MSP4200_ID (0x42 << 8)
-#define MSP4000_ID (0x40 << 8)
-#define MSP2XXX_ID (0x20 << 8)
-#define MSPZEUS_ID (0x10 << 8)
-
-#define MSP2004_SUB_ID (0x0 << 16)
-#define MSP2005_SUB_ID (0x1 << 16)
-#define MSP2006_SUB_ID (0x1 << 16)
-#define MSP2007_SUB_ID (0x2 << 16)
-#define MSP2010_SUB_ID (0x3 << 16)
-#define MSP2015_SUB_ID (0x4 << 16)
-#define MSP2020_SUB_ID (0x5 << 16)
-#define MSP2100_SUB_ID (0x6 << 16)
-
-/*
- ***************************************************************************
- * RESET defines *
- ***************************************************************************
- */
-#define MSP_GR_RST (0x01 << 0) /* Global reset bit */
-#define MSP_MR_RST (0x01 << 1) /* MIPS reset bit */
-#define MSP_PD_RST (0x01 << 2) /* PVC DMA reset bit */
-#define MSP_PP_RST (0x01 << 3) /* PVC reset bit */
-/* reserved */
-#define MSP_EA_RST (0x01 << 6) /* Mac A reset bit */
-#define MSP_EB_RST (0x01 << 7) /* Mac B reset bit */
-#define MSP_SE_RST (0x01 << 8) /* Security Eng reset bit */
-#define MSP_PB_RST (0x01 << 9) /* Per block reset bit */
-#define MSP_EC_RST (0x01 << 10) /* Mac C reset bit */
-#define MSP_TW_RST (0x01 << 11) /* TWI reset bit */
-#define MSP_SPI_RST (0x01 << 12) /* SPI/MPI reset bit */
-#define MSP_U1_RST (0x01 << 13) /* UART1 reset bit */
-#define MSP_U0_RST (0x01 << 14) /* UART0 reset bit */
-
-/*
- ***************************************************************************
- * UART defines *
- ***************************************************************************
- */
-#define MSP_BASE_BAUD 25000000
-#define MSP_UART_REG_LEN 0x20
-
-/*
- ***************************************************************************
- * ELB defines *
- ***************************************************************************
- */
-#define PCCARD_32 0x02 /* Set if is PCCARD 32 (Cardbus) */
-#define SINGLE_PCCARD 0x01 /* Set to enable single PC card */
-
-/*
- ***************************************************************************
- * CIC defines *
- ***************************************************************************
- */
-
-/* CIC_EXT_CFG_REG */
-#define EXT_INT_POL(eirq) (1 << (eirq + 8))
-#define EXT_INT_EDGE(eirq) (1 << eirq)
-
-#define CIC_EXT_SET_TRIGGER_LEVEL(reg, eirq) (reg &= ~EXT_INT_EDGE(eirq))
-#define CIC_EXT_SET_TRIGGER_EDGE(reg, eirq) (reg |= EXT_INT_EDGE(eirq))
-#define CIC_EXT_SET_ACTIVE_HI(reg, eirq) (reg |= EXT_INT_POL(eirq))
-#define CIC_EXT_SET_ACTIVE_LO(reg, eirq) (reg &= ~EXT_INT_POL(eirq))
-#define CIC_EXT_SET_ACTIVE_RISING CIC_EXT_SET_ACTIVE_HI
-#define CIC_EXT_SET_ACTIVE_FALLING CIC_EXT_SET_ACTIVE_LO
-
-#define CIC_EXT_IS_TRIGGER_LEVEL(reg, eirq) \
- ((reg & EXT_INT_EDGE(eirq)) == 0)
-#define CIC_EXT_IS_TRIGGER_EDGE(reg, eirq) (reg & EXT_INT_EDGE(eirq))
-#define CIC_EXT_IS_ACTIVE_HI(reg, eirq) (reg & EXT_INT_POL(eirq))
-#define CIC_EXT_IS_ACTIVE_LO(reg, eirq) \
- ((reg & EXT_INT_POL(eirq)) == 0)
-#define CIC_EXT_IS_ACTIVE_RISING CIC_EXT_IS_ACTIVE_HI
-#define CIC_EXT_IS_ACTIVE_FALLING CIC_EXT_IS_ACTIVE_LO
-
-/*
- ***************************************************************************
- * Memory Controller defines *
- ***************************************************************************
- */
-
-/* Indirect memory controller registers */
-#define DDRC_CFG(n) (n)
-#define DDRC_DEBUG(n) (0x04 + n)
-#define DDRC_CTL(n) (0x40 + n)
-
-/* Macro to perform DDRC indirect write */
-#define DDRC_INDIRECT_WRITE(reg, mask, value) \
-({ \
- *MEM_SS_ADDR = (((mask) & 0xf) << 8) | ((reg) & 0xff); \
- *MEM_SS_DATA = (value); \
- *MEM_SS_WRITE = 1; \
-})
-
-/*
- ***************************************************************************
- * SPI/MPI Mode *
- ***************************************************************************
- */
-#define SPI_MPI_RX_BUSY 0x00008000 /* SPI/MPI Receive Busy */
-#define SPI_MPI_FIFO_EMPTY 0x00004000 /* SPI/MPI Fifo Empty */
-#define SPI_MPI_TX_BUSY 0x00002000 /* SPI/MPI Transmit Busy */
-#define SPI_MPI_FIFO_FULL 0x00001000 /* SPI/MPU FIFO full */
-
-/*
- ***************************************************************************
- * SPI/MPI Control Register *
- ***************************************************************************
- */
-#define SPI_MPI_RX_START 0x00000004 /* Start receive command */
-#define SPI_MPI_FLUSH_Q 0x00000002 /* Flush SPI/MPI Queue */
-#define SPI_MPI_TX_START 0x00000001 /* Start Transmit Command */
-
-#endif /* !_ASM_MSP_REGS_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_slp_int.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_slp_int.h
deleted file mode 100644
index 9a763eb5e5f5..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_slp_int.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Defines for the MSP interrupt controller.
- *
- * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
- * Author: Carsten Langgaard, carstenl@mips.com
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#ifndef _MSP_SLP_INT_H
-#define _MSP_SLP_INT_H
-
-/*
- * The PMC-Sierra SLP interrupts are arranged in a 3 level cascaded
- * hierarchical system. The first level are the direct MIPS interrupts
- * and are assigned the interrupt range 0-7. The second level is the SLM
- * interrupt controller and is assigned the range 8-39. The third level
- * comprises the Peripherial block, the PCI block, the PCI MSI block and
- * the SLP. The PCI interrupts and the SLP errors are handled by the
- * relevant subsystems so the core interrupt code needs only concern
- * itself with the Peripheral block. These are assigned interrupts in
- * the range 40-71.
- */
-
-/*
- * IRQs directly connected to CPU
- */
-#define MSP_MIPS_INTBASE 0
-#define MSP_INT_SW0 0 /* IRQ for swint0, C_SW0 */
-#define MSP_INT_SW1 1 /* IRQ for swint1, C_SW1 */
-#define MSP_INT_MAC0 2 /* IRQ for MAC 0, C_IRQ0 */
-#define MSP_INT_MAC1 3 /* IRQ for MAC 1, C_IRQ1 */
-#define MSP_INT_C_IRQ2 4 /* Wired off, C_IRQ2 */
-#define MSP_INT_VE 5 /* IRQ for Voice Engine, C_IRQ3 */
-#define MSP_INT_SLP 6 /* IRQ for SLM block, C_IRQ4 */
-#define MSP_INT_TIMER 7 /* IRQ for the MIPS timer, C_IRQ5 */
-
-/*
- * IRQs cascaded on CPU interrupt 4 (CAUSE bit 12, C_IRQ4)
- * These defines should be tied to the register definition for the SLM
- * interrupt routine. For now, just use hard-coded values.
- */
-#define MSP_SLP_INTBASE (MSP_MIPS_INTBASE + 8)
-#define MSP_INT_EXT0 (MSP_SLP_INTBASE + 0)
- /* External interrupt 0 */
-#define MSP_INT_EXT1 (MSP_SLP_INTBASE + 1)
- /* External interrupt 1 */
-#define MSP_INT_EXT2 (MSP_SLP_INTBASE + 2)
- /* External interrupt 2 */
-#define MSP_INT_EXT3 (MSP_SLP_INTBASE + 3)
- /* External interrupt 3 */
-/* Reserved 4-7 */
-
-/*
- *************************************************************************
- * DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER *
- * Some MSP produces have this interrupt labelled as Voice and some are *
- * SEC mbox ... *
- *************************************************************************
- */
-#define MSP_INT_SLP_VE (MSP_SLP_INTBASE + 8)
- /* Cascaded IRQ for Voice Engine*/
-#define MSP_INT_SLP_TDM (MSP_SLP_INTBASE + 9)
- /* TDM interrupt */
-#define MSP_INT_SLP_MAC0 (MSP_SLP_INTBASE + 10)
- /* Cascaded IRQ for MAC 0 */
-#define MSP_INT_SLP_MAC1 (MSP_SLP_INTBASE + 11)
- /* Cascaded IRQ for MAC 1 */
-#define MSP_INT_SEC (MSP_SLP_INTBASE + 12)
- /* IRQ for security engine */
-#define MSP_INT_PER (MSP_SLP_INTBASE + 13)
- /* Peripheral interrupt */
-#define MSP_INT_TIMER0 (MSP_SLP_INTBASE + 14)
- /* SLP timer 0 */
-#define MSP_INT_TIMER1 (MSP_SLP_INTBASE + 15)
- /* SLP timer 1 */
-#define MSP_INT_TIMER2 (MSP_SLP_INTBASE + 16)
- /* SLP timer 2 */
-#define MSP_INT_SLP_TIMER (MSP_SLP_INTBASE + 17)
- /* Cascaded MIPS timer */
-#define MSP_INT_BLKCP (MSP_SLP_INTBASE + 18)
- /* Block Copy */
-#define MSP_INT_UART0 (MSP_SLP_INTBASE + 19)
- /* UART 0 */
-#define MSP_INT_PCI (MSP_SLP_INTBASE + 20)
- /* PCI subsystem */
-#define MSP_INT_PCI_DBELL (MSP_SLP_INTBASE + 21)
- /* PCI doorbell */
-#define MSP_INT_PCI_MSI (MSP_SLP_INTBASE + 22)
- /* PCI Message Signal */
-#define MSP_INT_PCI_BC0 (MSP_SLP_INTBASE + 23)
- /* PCI Block Copy 0 */
-#define MSP_INT_PCI_BC1 (MSP_SLP_INTBASE + 24)
- /* PCI Block Copy 1 */
-#define MSP_INT_SLP_ERR (MSP_SLP_INTBASE + 25)
- /* SLP error condition */
-#define MSP_INT_MAC2 (MSP_SLP_INTBASE + 26)
- /* IRQ for MAC2 */
-/* Reserved 26-31 */
-
-/*
- * IRQs cascaded on SLP PER interrupt (MSP_INT_PER)
- */
-#define MSP_PER_INTBASE (MSP_SLP_INTBASE + 32)
-/* Reserved 0-1 */
-#define MSP_INT_UART1 (MSP_PER_INTBASE + 2)
- /* UART 1 */
-/* Reserved 3-5 */
-#define MSP_INT_2WIRE (MSP_PER_INTBASE + 6)
- /* 2-wire */
-#define MSP_INT_TM0 (MSP_PER_INTBASE + 7)
- /* Peripheral timer block out 0 */
-#define MSP_INT_TM1 (MSP_PER_INTBASE + 8)
- /* Peripheral timer block out 1 */
-/* Reserved 9 */
-#define MSP_INT_SPRX (MSP_PER_INTBASE + 10)
- /* SPI RX complete */
-#define MSP_INT_SPTX (MSP_PER_INTBASE + 11)
- /* SPI TX complete */
-#define MSP_INT_GPIO (MSP_PER_INTBASE + 12)
- /* GPIO */
-#define MSP_INT_PER_ERR (MSP_PER_INTBASE + 13)
- /* Peripheral error */
-/* Reserved 14-31 */
-
-#endif /* !_MSP_SLP_INT_H */
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_usb.h b/arch/mips/include/asm/mach-pmcs-msp71xx/msp_usb.h
deleted file mode 100644
index 3cc3edb336b6..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/msp_usb.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/******************************************************************
- * Copyright (c) 2000-2007 PMC-Sierra INC.
- *
- * PMC-SIERRA INC. DISCLAIMS ANY LIABILITY OF ANY KIND
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS
- * SOFTWARE.
- */
-#ifndef MSP_USB_H_
-#define MSP_USB_H_
-
-#define NUM_USB_DEVS 1
-
-/* Register spaces for USB host 0 */
-#define MSP_USB0_MAB_START (MSP_USB0_BASE + 0x0)
-#define MSP_USB0_MAB_END (MSP_USB0_BASE + 0x17)
-#define MSP_USB0_ID_START (MSP_USB0_BASE + 0x40000)
-#define MSP_USB0_ID_END (MSP_USB0_BASE + 0x4008f)
-#define MSP_USB0_HS_START (MSP_USB0_BASE + 0x40100)
-#define MSP_USB0_HS_END (MSP_USB0_BASE + 0x401FF)
-
-/* Register spaces for USB host 1 */
-#define MSP_USB1_MAB_START (MSP_USB1_BASE + 0x0)
-#define MSP_USB1_MAB_END (MSP_USB1_BASE + 0x17)
-#define MSP_USB1_ID_START (MSP_USB1_BASE + 0x40000)
-#define MSP_USB1_ID_END (MSP_USB1_BASE + 0x4008f)
-#define MSP_USB1_HS_START (MSP_USB1_BASE + 0x40100)
-#define MSP_USB1_HS_END (MSP_USB1_BASE + 0x401ff)
-
-/* USB Identification registers */
-struct msp_usbid_regs {
- u32 id; /* 0x0: Identification register */
- u32 hwgen; /* 0x4: General HW params */
- u32 hwhost; /* 0x8: Host HW params */
- u32 hwdev; /* 0xc: Device HW params */
- u32 hwtxbuf; /* 0x10: Tx buffer HW params */
- u32 hwrxbuf; /* 0x14: Rx buffer HW params */
- u32 reserved[26];
- u32 timer0_load; /* 0x80: General-purpose timer 0 load*/
- u32 timer0_ctrl; /* 0x84: General-purpose timer 0 control */
- u32 timer1_load; /* 0x88: General-purpose timer 1 load*/
- u32 timer1_ctrl; /* 0x8c: General-purpose timer 1 control */
-};
-
-/* MSBus to AMBA registers */
-struct msp_mab_regs {
- u32 isr; /* 0x0: Interrupt status */
- u32 imr; /* 0x4: Interrupt mask */
- u32 thcr0; /* 0x8: Transaction header capture 0 */
- u32 thcr1; /* 0xc: Transaction header capture 1 */
- u32 int_stat; /* 0x10: Interrupt status summary */
- u32 phy_cfg; /* 0x14: USB phy config */
-};
-
-/* EHCI registers */
-struct msp_usbhs_regs {
- u32 hciver; /* 0x0: Version and offset to operational regs */
- u32 hcsparams; /* 0x4: Host control structural parameters */
- u32 hccparams; /* 0x8: Host control capability parameters */
- u32 reserved0[5];
- u32 dciver; /* 0x20: Device interface version */
- u32 dccparams; /* 0x24: Device control capability parameters */
- u32 reserved1[6];
- u32 cmd; /* 0x40: USB command */
- u32 sts; /* 0x44: USB status */
- u32 int_ena; /* 0x48: USB interrupt enable */
- u32 frindex; /* 0x4c: Frame index */
- u32 reserved3;
- union {
- struct {
- u32 flb_addr; /* 0x54: Frame list base address */
- u32 next_async_addr; /* 0x58: next asynchronous addr */
- u32 ttctrl; /* 0x5c: embedded transaction translator
- async buffer status */
- u32 burst_size; /* 0x60: Controller burst size */
- u32 tx_fifo_ctrl; /* 0x64: Tx latency FIFO tuning */
- u32 reserved0[4];
- u32 endpt_nak; /* 0x78: Endpoint NAK */
- u32 endpt_nak_ena; /* 0x7c: Endpoint NAK enable */
- u32 cfg_flag; /* 0x80: Config flag */
- u32 port_sc1; /* 0x84: Port status & control 1 */
- u32 reserved1[7];
- u32 otgsc; /* 0xa4: OTG status & control */
- u32 mode; /* 0xa8: USB controller mode */
- } host;
-
- struct {
- u32 dev_addr; /* 0x54: Device address */
- u32 endpt_list_addr; /* 0x58: Endpoint list address */
- u32 reserved0[7];
- u32 endpt_nak; /* 0x74 */
- u32 endpt_nak_ctrl; /* 0x78 */
- u32 cfg_flag; /* 0x80 */
- u32 port_sc1; /* 0x84: Port status & control 1 */
- u32 reserved[7];
- u32 otgsc; /* 0xa4: OTG status & control */
- u32 mode; /* 0xa8: USB controller mode */
- u32 endpt_setup_stat; /* 0xac */
- u32 endpt_prime; /* 0xb0 */
- u32 endpt_flush; /* 0xb4 */
- u32 endpt_stat; /* 0xb8 */
- u32 endpt_complete; /* 0xbc */
- u32 endpt_ctrl0; /* 0xc0 */
- u32 endpt_ctrl1; /* 0xc4 */
- u32 endpt_ctrl2; /* 0xc8 */
- u32 endpt_ctrl3; /* 0xcc */
- } device;
- } u;
-};
-/*
- * Container for the more-generic platform_device.
- * This exists mainly as a way to map the non-standard register
- * spaces and make them accessible to the USB ISR.
- */
-struct mspusb_device {
- struct msp_mab_regs __iomem *mab_regs;
- struct msp_usbid_regs __iomem *usbid_regs;
- struct msp_usbhs_regs __iomem *usbhs_regs;
- struct platform_device dev;
-};
-
-#define to_mspusb_device(x) container_of((x), struct mspusb_device, dev)
-#define TO_HOST_ID(x) ((x) & 0x3)
-#endif /*MSP_USB_H_*/
diff --git a/arch/mips/include/asm/mach-pmcs-msp71xx/war.h b/arch/mips/include/asm/mach-pmcs-msp71xx/war.h
deleted file mode 100644
index 31c546f58bb5..000000000000
--- a/arch/mips/include/asm/mach-pmcs-msp71xx/war.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_PMC_SIERRA_WAR_H
-#define __ASM_MIPS_PMC_SIERRA_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR 0
-#define R4600_V1_HIT_CACHEOP_WAR 0
-#define R4600_V2_HIT_CACHEOP_WAR 0
-#define BCM1250_M3_WAR 0
-#define SIBYTE_1956_WAR 0
-#define MIPS4K_ICACHE_REFILL_WAR 0
-#define MIPS_CACHE_SYNC_WAR 0
-#define TX49XX_ICACHE_INDEX_INV_WAR 0
-#define ICACHE_REFILLS_WORKAROUND_WAR 0
-#define R10000_LLSC_WAR 0
-#if defined(CONFIG_PMC_MSP7120_EVAL) || defined(CONFIG_PMC_MSP7120_GW) || \
- defined(CONFIG_PMC_MSP7120_FPGA)
-#define MIPS34K_MISSED_ITLB_WAR 1
-#else
-#define MIPS34K_MISSED_ITLB_WAR 0
-#endif
-
-#endif /* __ASM_MIPS_PMC_SIERRA_WAR_H */
diff --git a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
index 6ea5908f0c11..c4579f1705c2 100644
--- a/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620/cpu-feature-overrides.h
@@ -45,7 +45,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-ralink/mt7621.h b/arch/mips/include/asm/mach-ralink/mt7621.h
index 65483a4681ab..e1af1ba50bd8 100644
--- a/arch/mips/include/asm/mach-ralink/mt7621.h
+++ b/arch/mips/include/asm/mach-ralink/mt7621.h
@@ -31,6 +31,4 @@
#define MT7621_CHIP_NAME0 0x3637544D
#define MT7621_CHIP_NAME1 0x20203132
-#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8)
-
#endif
diff --git a/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
index e06f517b2588..168359a0a58d 100644
--- a/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/mt7621/cpu-feature-overrides.h
@@ -46,7 +46,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
index 9c069646d0bd..fdaf8c9182bc 100644
--- a/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt288x/cpu-feature-overrides.h
@@ -44,7 +44,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 16
#define cpu_icache_line_size() 16
diff --git a/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
index 2e423fd15384..7a385fe784a6 100644
--- a/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x/cpu-feature-overrides.h
@@ -44,7 +44,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
index 7cee0e232580..0a61910f6521 100644
--- a/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-ralink/rt3883/cpu-feature-overrides.h
@@ -43,7 +43,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
diff --git a/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h b/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h
index bc46179fdf40..8539ccfb69b7 100644
--- a/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-rc32434/cpu-feature-overrides.h
@@ -54,7 +54,6 @@
#define cpu_has_64bits 0
#define cpu_has_64bit_zero_reg 0
#define cpu_has_64bit_gp_regs 0
-#define cpu_has_64bit_addresses 0
#define cpu_has_inclusive_pcaches 0
diff --git a/arch/mips/include/asm/mach-rc32434/pci.h b/arch/mips/include/asm/mach-rc32434/pci.h
index 6f40d1515580..9a6eefd12757 100644
--- a/arch/mips/include/asm/mach-rc32434/pci.h
+++ b/arch/mips/include/asm/mach-rc32434/pci.h
@@ -319,9 +319,6 @@ struct pci_msu {
#define PCIM_H_EA 0x3
#define PCIM_H_IA_FIX 0x4
#define PCIM_H_IA_RR 0x5
-#if 0
-#define PCI_ADDR_START 0x13000000
-#endif
#define PCI_ADDR_START 0x50000000
diff --git a/arch/mips/include/asm/mach-tx39xx/ioremap.h b/arch/mips/include/asm/mach-tx39xx/ioremap.h
index 077b3c9971f7..157a7292397e 100644
--- a/arch/mips/include/asm/mach-tx39xx/ioremap.h
+++ b/arch/mips/include/asm/mach-tx39xx/ioremap.h
@@ -7,15 +7,6 @@
#include <linux/types.h>
-/*
- * Allow physical addresses to be fixed up to help peripherals located
- * outside the low 32-bit range -- generic pass-through version.
- */
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
diff --git a/arch/mips/include/asm/mach-tx49xx/ioremap.h b/arch/mips/include/asm/mach-tx49xx/ioremap.h
index c6b9e05f44c4..b1f3710acf8e 100644
--- a/arch/mips/include/asm/mach-tx49xx/ioremap.h
+++ b/arch/mips/include/asm/mach-tx49xx/ioremap.h
@@ -7,15 +7,6 @@
#include <linux/types.h>
-/*
- * Allow physical addresses to be fixed up to help peripherals located
- * outside the low 32-bit range -- generic pass-through version.
- */
-static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
-{
- return phys_addr;
-}
-
static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
unsigned long flags)
{
diff --git a/arch/mips/include/asm/mach-xilfpga/irq.h b/arch/mips/include/asm/mach-xilfpga/irq.h
deleted file mode 100644
index 15ad29ec1dee..000000000000
--- a/arch/mips/include/asm/mach-xilfpga/irq.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015 Imagination Technologies
- * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com>
- */
-
-#ifndef __MIPS_ASM_MACH_XILFPGA_IRQ_H__
-#define __MIPS_ASM_MACH_XILFPGA_IRQ_H__
-
-#define NR_IRQS 32
-
-#include <asm/mach-generic/irq.h>
-
-#endif /* __MIPS_ASM_MACH_XILFPGA_IRQ_H__ */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 796fe47cfd17..796dbb86575b 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -468,6 +468,7 @@
#define EXCCODE_THREAD 25 /* Thread exceptions (MT) */
#define EXCCODE_DSPDIS 26 /* DSP disabled exception */
#define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */
+#define EXCCODE_CACHEERR 30 /* Parity/ECC occured on a core */
/* Implementation specific trap codes used by MIPS cores */
#define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */
@@ -563,6 +564,17 @@
#define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7)
#define MIPS_CONF_AR (_ULCAST_(7) << 10)
#define MIPS_CONF_AT (_ULCAST_(3) << 13)
+#define MIPS_CONF_BE (_ULCAST_(1) << 15)
+#define MIPS_CONF_BM (_ULCAST_(1) << 16)
+#define MIPS_CONF_MM (_ULCAST_(3) << 17)
+#define MIPS_CONF_MM_SYSAD (_ULCAST_(1) << 17)
+#define MIPS_CONF_MM_FULL (_ULCAST_(2) << 17)
+#define MIPS_CONF_SB (_ULCAST_(1) << 21)
+#define MIPS_CONF_UDI (_ULCAST_(1) << 22)
+#define MIPS_CONF_DSP (_ULCAST_(1) << 23)
+#define MIPS_CONF_ISP (_ULCAST_(1) << 24)
+#define MIPS_CONF_KU (_ULCAST_(3) << 25)
+#define MIPS_CONF_K23 (_ULCAST_(3) << 28)
#define MIPS_CONF_M (_ULCAST_(1) << 31)
/*
@@ -674,13 +686,38 @@
#define MIPS_CONF5_CV (_ULCAST_(1) << 29)
#define MIPS_CONF5_K (_ULCAST_(1) << 30)
-#define MIPS_CONF6_SYND (_ULCAST_(1) << 13)
+/* Config6 feature bits for proAptiv/P5600 */
+
+/* Jump register cache prediction disable */
+#define MIPS_CONF6_MTI_JRCD (_ULCAST_(1) << 0)
+/* MIPSr6 extensions enable */
+#define MIPS_CONF6_MTI_R6 (_ULCAST_(1) << 2)
+/* IFU Performance Control */
+#define MIPS_CONF6_MTI_IFUPERFCTL (_ULCAST_(3) << 10)
+#define MIPS_CONF6_MTI_SYND (_ULCAST_(1) << 13)
+/* Sleep state performance counter disable */
+#define MIPS_CONF6_MTI_SPCD (_ULCAST_(1) << 14)
/* proAptiv FTLB on/off bit */
-#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15)
-/* Loongson-3 FTLB on/off bit */
-#define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22)
+#define MIPS_CONF6_MTI_FTLBEN (_ULCAST_(1) << 15)
+/* Disable load/store bonding */
+#define MIPS_CONF6_MTI_DLSB (_ULCAST_(1) << 21)
/* FTLB probability bits */
-#define MIPS_CONF6_FTLBP_SHIFT (16)
+#define MIPS_CONF6_MTI_FTLBP_SHIFT (16)
+
+/* Config6 feature bits for Loongson-3 */
+
+/* Loongson-3 internal timer bit */
+#define MIPS_CONF6_LOONGSON_INTIMER (_ULCAST_(1) << 6)
+/* Loongson-3 external timer bit */
+#define MIPS_CONF6_LOONGSON_EXTIMER (_ULCAST_(1) << 7)
+/* Loongson-3 SFB on/off bit, STFill in manual */
+#define MIPS_CONF6_LOONGSON_SFBEN (_ULCAST_(1) << 8)
+/* Loongson-3's LL on exclusive cacheline */
+#define MIPS_CONF6_LOONGSON_LLEXC (_ULCAST_(1) << 16)
+/* Loongson-3's SC has a random delay */
+#define MIPS_CONF6_LOONGSON_SCRAND (_ULCAST_(1) << 17)
+/* Loongson-3 FTLB on/off bit, VTLBOnly in manual */
+#define MIPS_CONF6_LOONGSON_FTLBDIS (_ULCAST_(1) << 22)
#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
@@ -753,10 +790,18 @@
/* MAAR bit definitions */
#define MIPS_MAAR_VH (_U64CAST_(1) << 63)
-#define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
+#define MIPS_MAAR_ADDR GENMASK_ULL(55, 12)
#define MIPS_MAAR_ADDR_SHIFT 12
#define MIPS_MAAR_S (_ULCAST_(1) << 1)
#define MIPS_MAAR_VL (_ULCAST_(1) << 0)
+#ifdef CONFIG_XPA
+#define MIPS_MAAR_V (MIPS_MAAR_VH | MIPS_MAAR_VL)
+#else
+#define MIPS_MAAR_V MIPS_MAAR_VL
+#endif
+#define MIPS_MAARX_VH (_ULCAST_(1) << 31)
+#define MIPS_MAARX_ADDR 0xF
+#define MIPS_MAARX_ADDR_SHIFT 32
/* MAARI bit definitions */
#define MIPS_MAARI_INDEX (_ULCAST_(0x3f) << 0)
@@ -997,6 +1042,8 @@
#define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2)
/* Flush DTLB */
#define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3)
+/* Allow some CACHE instructions (CACHE0, 1, 3, 21 and 23) in user mode */
+#define LOONGSON_DIAG_UCAC (_ULCAST_(1) << 8)
/* Flush VTLB */
#define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12)
/* Flush FTLB */
@@ -1717,6 +1764,8 @@ do { \
#define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val)
#define read_c0_maar() __read_ulong_c0_register($17, 1)
#define write_c0_maar(val) __write_ulong_c0_register($17, 1, val)
+#define readx_c0_maar() __readx_32bit_c0_register($17, 1)
+#define writex_c0_maar(val) __writex_32bit_c0_register($17, 1, val)
#define read_c0_maari() __read_32bit_c0_register($17, 2)
#define write_c0_maari(val) __write_32bit_c0_register($17, 2, val)
diff --git a/arch/mips/include/asm/module.h b/arch/mips/include/asm/module.h
index 9846047b3d3d..724a0882576b 100644
--- a/arch/mips/include/asm/module.h
+++ b/arch/mips/include/asm/module.h
@@ -83,65 +83,4 @@ search_module_dbetables(unsigned long addr)
}
#endif
-#ifdef CONFIG_CPU_BMIPS
-#define MODULE_PROC_FAMILY "BMIPS "
-#elif defined CONFIG_CPU_MIPS32_R1
-#define MODULE_PROC_FAMILY "MIPS32_R1 "
-#elif defined CONFIG_CPU_MIPS32_R2
-#define MODULE_PROC_FAMILY "MIPS32_R2 "
-#elif defined CONFIG_CPU_MIPS32_R6
-#define MODULE_PROC_FAMILY "MIPS32_R6 "
-#elif defined CONFIG_CPU_MIPS64_R1
-#define MODULE_PROC_FAMILY "MIPS64_R1 "
-#elif defined CONFIG_CPU_MIPS64_R2
-#define MODULE_PROC_FAMILY "MIPS64_R2 "
-#elif defined CONFIG_CPU_MIPS64_R6
-#define MODULE_PROC_FAMILY "MIPS64_R6 "
-#elif defined CONFIG_CPU_R3000
-#define MODULE_PROC_FAMILY "R3000 "
-#elif defined CONFIG_CPU_TX39XX
-#define MODULE_PROC_FAMILY "TX39XX "
-#elif defined CONFIG_CPU_VR41XX
-#define MODULE_PROC_FAMILY "VR41XX "
-#elif defined CONFIG_CPU_R4X00
-#define MODULE_PROC_FAMILY "R4X00 "
-#elif defined CONFIG_CPU_TX49XX
-#define MODULE_PROC_FAMILY "TX49XX "
-#elif defined CONFIG_CPU_R5000
-#define MODULE_PROC_FAMILY "R5000 "
-#elif defined CONFIG_CPU_R5500
-#define MODULE_PROC_FAMILY "R5500 "
-#elif defined CONFIG_CPU_NEVADA
-#define MODULE_PROC_FAMILY "NEVADA "
-#elif defined CONFIG_CPU_R10000
-#define MODULE_PROC_FAMILY "R10000 "
-#elif defined CONFIG_CPU_RM7000
-#define MODULE_PROC_FAMILY "RM7000 "
-#elif defined CONFIG_CPU_SB1
-#define MODULE_PROC_FAMILY "SB1 "
-#elif defined CONFIG_CPU_LOONGSON32
-#define MODULE_PROC_FAMILY "LOONGSON32 "
-#elif defined CONFIG_CPU_LOONGSON2EF
-#define MODULE_PROC_FAMILY "LOONGSON2EF "
-#elif defined CONFIG_CPU_LOONGSON64
-#define MODULE_PROC_FAMILY "LOONGSON64 "
-#elif defined CONFIG_CPU_CAVIUM_OCTEON
-#define MODULE_PROC_FAMILY "OCTEON "
-#elif defined CONFIG_CPU_XLR
-#define MODULE_PROC_FAMILY "XLR "
-#elif defined CONFIG_CPU_XLP
-#define MODULE_PROC_FAMILY "XLP "
-#else
-#error MODULE_PROC_FAMILY undefined for your processor configuration
-#endif
-
-#ifdef CONFIG_32BIT
-#define MODULE_KERNEL_TYPE "32BIT "
-#elif defined CONFIG_64BIT
-#define MODULE_KERNEL_TYPE "64BIT "
-#endif
-
-#define MODULE_ARCH_VERMAGIC \
- MODULE_PROC_FAMILY MODULE_KERNEL_TYPE
-
#endif /* _ASM_MODULE_H */
diff --git a/arch/mips/include/asm/nile4.h b/arch/mips/include/asm/nile4.h
deleted file mode 100644
index 9d36b7823603..000000000000
--- a/arch/mips/include/asm/nile4.h
+++ /dev/null
@@ -1,310 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * asm-mips/nile4.h -- NEC Vrc-5074 Nile 4 definitions
- *
- * Copyright (C) 2000 Geert Uytterhoeven <geert@linux-m68k.org>
- * Sony Software Development Center Europe (SDCE), Brussels
- *
- * This file is based on the following documentation:
- *
- * NEC Vrc 5074 System Controller Data Sheet, June 1998
- */
-
-#ifndef _ASM_NILE4_H
-#define _ASM_NILE4_H
-
-#define NILE4_BASE 0xbfa00000
-#define NILE4_SIZE 0x00200000 /* 2 MB */
-
-
- /*
- * Physical Device Address Registers (PDARs)
- */
-
-#define NILE4_SDRAM0 0x0000 /* SDRAM Bank 0 [R/W] */
-#define NILE4_SDRAM1 0x0008 /* SDRAM Bank 1 [R/W] */
-#define NILE4_DCS2 0x0010 /* Device Chip-Select 2 [R/W] */
-#define NILE4_DCS3 0x0018 /* Device Chip-Select 3 [R/W] */
-#define NILE4_DCS4 0x0020 /* Device Chip-Select 4 [R/W] */
-#define NILE4_DCS5 0x0028 /* Device Chip-Select 5 [R/W] */
-#define NILE4_DCS6 0x0030 /* Device Chip-Select 6 [R/W] */
-#define NILE4_DCS7 0x0038 /* Device Chip-Select 7 [R/W] */
-#define NILE4_DCS8 0x0040 /* Device Chip-Select 8 [R/W] */
-#define NILE4_PCIW0 0x0060 /* PCI Address Window 0 [R/W] */
-#define NILE4_PCIW1 0x0068 /* PCI Address Window 1 [R/W] */
-#define NILE4_INTCS 0x0070 /* Controller Internal Registers and Devices */
- /* [R/W] */
-#define NILE4_BOOTCS 0x0078 /* Boot ROM Chip-Select [R/W] */
-
-
- /*
- * CPU Interface Registers
- */
-
-#define NILE4_CPUSTAT 0x0080 /* CPU Status [R/W] */
-#define NILE4_INTCTRL 0x0088 /* Interrupt Control [R/W] */
-#define NILE4_INTSTAT0 0x0090 /* Interrupt Status 0 [R] */
-#define NILE4_INTSTAT1 0x0098 /* Interrupt Status 1 and CPU Interrupt */
- /* Enable [R/W] */
-#define NILE4_INTCLR 0x00A0 /* Interrupt Clear [R/W] */
-#define NILE4_INTPPES 0x00A8 /* PCI Interrupt Control [R/W] */
-
-
- /*
- * Memory-Interface Registers
- */
-
-#define NILE4_MEMCTRL 0x00C0 /* Memory Control */
-#define NILE4_ACSTIME 0x00C8 /* Memory Access Timing [R/W] */
-#define NILE4_CHKERR 0x00D0 /* Memory Check Error Status [R] */
-
-
- /*
- * PCI-Bus Registers
- */
-
-#define NILE4_PCICTRL 0x00E0 /* PCI Control [R/W] */
-#define NILE4_PCIARB 0x00E8 /* PCI Arbiter [R/W] */
-#define NILE4_PCIINIT0 0x00F0 /* PCI Master (Initiator) 0 [R/W] */
-#define NILE4_PCIINIT1 0x00F8 /* PCI Master (Initiator) 1 [R/W] */
-#define NILE4_PCIERR 0x00B8 /* PCI Error [R/W] */
-
-
- /*
- * Local-Bus Registers
- */
-
-#define NILE4_LCNFG 0x0100 /* Local Bus Configuration [R/W] */
-#define NILE4_LCST2 0x0110 /* Local Bus Chip-Select Timing 2 [R/W] */
-#define NILE4_LCST3 0x0118 /* Local Bus Chip-Select Timing 3 [R/W] */
-#define NILE4_LCST4 0x0120 /* Local Bus Chip-Select Timing 4 [R/W] */
-#define NILE4_LCST5 0x0128 /* Local Bus Chip-Select Timing 5 [R/W] */
-#define NILE4_LCST6 0x0130 /* Local Bus Chip-Select Timing 6 [R/W] */
-#define NILE4_LCST7 0x0138 /* Local Bus Chip-Select Timing 7 [R/W] */
-#define NILE4_LCST8 0x0140 /* Local Bus Chip-Select Timing 8 [R/W] */
-#define NILE4_DCSFN 0x0150 /* Device Chip-Select Muxing and Output */
- /* Enables [R/W] */
-#define NILE4_DCSIO 0x0158 /* Device Chip-Selects As I/O Bits [R/W] */
-#define NILE4_BCST 0x0178 /* Local Boot Chip-Select Timing [R/W] */
-
-
- /*
- * DMA Registers
- */
-
-#define NILE4_DMACTRL0 0x0180 /* DMA Control 0 [R/W] */
-#define NILE4_DMASRCA0 0x0188 /* DMA Source Address 0 [R/W] */
-#define NILE4_DMADESA0 0x0190 /* DMA Destination Address 0 [R/W] */
-#define NILE4_DMACTRL1 0x0198 /* DMA Control 1 [R/W] */
-#define NILE4_DMASRCA1 0x01A0 /* DMA Source Address 1 [R/W] */
-#define NILE4_DMADESA1 0x01A8 /* DMA Destination Address 1 [R/W] */
-
-
- /*
- * Timer Registers
- */
-
-#define NILE4_T0CTRL 0x01C0 /* SDRAM Refresh Control [R/W] */
-#define NILE4_T0CNTR 0x01C8 /* SDRAM Refresh Counter [R/W] */
-#define NILE4_T1CTRL 0x01D0 /* CPU-Bus Read Time-Out Control [R/W] */
-#define NILE4_T1CNTR 0x01D8 /* CPU-Bus Read Time-Out Counter [R/W] */
-#define NILE4_T2CTRL 0x01E0 /* General-Purpose Timer Control [R/W] */
-#define NILE4_T2CNTR 0x01E8 /* General-Purpose Timer Counter [R/W] */
-#define NILE4_T3CTRL 0x01F0 /* Watchdog Timer Control [R/W] */
-#define NILE4_T3CNTR 0x01F8 /* Watchdog Timer Counter [R/W] */
-
-
- /*
- * PCI Configuration Space Registers
- */
-
-#define NILE4_PCI_BASE 0x0200
-
-#define NILE4_VID 0x0200 /* PCI Vendor ID [R] */
-#define NILE4_DID 0x0202 /* PCI Device ID [R] */
-#define NILE4_PCICMD 0x0204 /* PCI Command [R/W] */
-#define NILE4_PCISTS 0x0206 /* PCI Status [R/W] */
-#define NILE4_REVID 0x0208 /* PCI Revision ID [R] */
-#define NILE4_CLASS 0x0209 /* PCI Class Code [R] */
-#define NILE4_CLSIZ 0x020C /* PCI Cache Line Size [R/W] */
-#define NILE4_MLTIM 0x020D /* PCI Latency Timer [R/W] */
-#define NILE4_HTYPE 0x020E /* PCI Header Type [R] */
-#define NILE4_BIST 0x020F /* BIST [R] (unimplemented) */
-#define NILE4_BARC 0x0210 /* PCI Base Address Register Control [R/W] */
-#define NILE4_BAR0 0x0218 /* PCI Base Address Register 0 [R/W] */
-#define NILE4_BAR1 0x0220 /* PCI Base Address Register 1 [R/W] */
-#define NILE4_CIS 0x0228 /* PCI Cardbus CIS Pointer [R] */
- /* (unimplemented) */
-#define NILE4_SSVID 0x022C /* PCI Sub-System Vendor ID [R/W] */
-#define NILE4_SSID 0x022E /* PCI Sub-System ID [R/W] */
-#define NILE4_ROM 0x0230 /* Expansion ROM Base Address [R] */
- /* (unimplemented) */
-#define NILE4_INTLIN 0x023C /* PCI Interrupt Line [R/W] */
-#define NILE4_INTPIN 0x023D /* PCI Interrupt Pin [R] */
-#define NILE4_MINGNT 0x023E /* PCI Min_Gnt [R] (unimplemented) */
-#define NILE4_MAXLAT 0x023F /* PCI Max_Lat [R] (unimplemented) */
-#define NILE4_BAR2 0x0240 /* PCI Base Address Register 2 [R/W] */
-#define NILE4_BAR3 0x0248 /* PCI Base Address Register 3 [R/W] */
-#define NILE4_BAR4 0x0250 /* PCI Base Address Register 4 [R/W] */
-#define NILE4_BAR5 0x0258 /* PCI Base Address Register 5 [R/W] */
-#define NILE4_BAR6 0x0260 /* PCI Base Address Register 6 [R/W] */
-#define NILE4_BAR7 0x0268 /* PCI Base Address Register 7 [R/W] */
-#define NILE4_BAR8 0x0270 /* PCI Base Address Register 8 [R/W] */
-#define NILE4_BARB 0x0278 /* PCI Base Address Register BOOT [R/W] */
-
-
- /*
- * Serial-Port Registers
- */
-
-#define NILE4_UART_BASE 0x0300
-
-#define NILE4_UARTRBR 0x0300 /* UART Receiver Data Buffer [R] */
-#define NILE4_UARTTHR 0x0300 /* UART Transmitter Data Holding [W] */
-#define NILE4_UARTIER 0x0308 /* UART Interrupt Enable [R/W] */
-#define NILE4_UARTDLL 0x0300 /* UART Divisor Latch LSB [R/W] */
-#define NILE4_UARTDLM 0x0308 /* UART Divisor Latch MSB [R/W] */
-#define NILE4_UARTIIR 0x0310 /* UART Interrupt ID [R] */
-#define NILE4_UARTFCR 0x0310 /* UART FIFO Control [W] */
-#define NILE4_UARTLCR 0x0318 /* UART Line Control [R/W] */
-#define NILE4_UARTMCR 0x0320 /* UART Modem Control [R/W] */
-#define NILE4_UARTLSR 0x0328 /* UART Line Status [R/W] */
-#define NILE4_UARTMSR 0x0330 /* UART Modem Status [R/W] */
-#define NILE4_UARTSCR 0x0338 /* UART Scratch [R/W] */
-
-#define NILE4_UART_BASE_BAUD 520833 /* 100 MHz / 12 / 16 */
-
-
- /*
- * Interrupt Lines
- */
-
-#define NILE4_INT_CPCE 0 /* CPU-Interface Parity-Error Interrupt */
-#define NILE4_INT_CNTD 1 /* CPU No-Target Decode Interrupt */
-#define NILE4_INT_MCE 2 /* Memory-Check Error Interrupt */
-#define NILE4_INT_DMA 3 /* DMA Controller Interrupt */
-#define NILE4_INT_UART 4 /* UART Interrupt */
-#define NILE4_INT_WDOG 5 /* Watchdog Timer Interrupt */
-#define NILE4_INT_GPT 6 /* General-Purpose Timer Interrupt */
-#define NILE4_INT_LBRTD 7 /* Local-Bus Ready Timer Interrupt */
-#define NILE4_INT_INTA 8 /* PCI Interrupt Signal INTA# */
-#define NILE4_INT_INTB 9 /* PCI Interrupt Signal INTB# */
-#define NILE4_INT_INTC 10 /* PCI Interrupt Signal INTC# */
-#define NILE4_INT_INTD 11 /* PCI Interrupt Signal INTD# */
-#define NILE4_INT_INTE 12 /* PCI Interrupt Signal INTE# (ISA cascade) */
-#define NILE4_INT_RESV 13 /* Reserved */
-#define NILE4_INT_PCIS 14 /* PCI SERR# Interrupt */
-#define NILE4_INT_PCIE 15 /* PCI Internal Error Interrupt */
-
-
- /*
- * Nile 4 Register Access
- */
-
-static inline void nile4_sync(void)
-{
- volatile u32 *p = (volatile u32 *)0xbfc00000;
- (void)(*p);
-}
-
-static inline void nile4_out32(u32 offset, u32 val)
-{
- *(volatile u32 *)(NILE4_BASE+offset) = val;
- nile4_sync();
-}
-
-static inline u32 nile4_in32(u32 offset)
-{
- u32 val = *(volatile u32 *)(NILE4_BASE+offset);
- nile4_sync();
- return val;
-}
-
-static inline void nile4_out16(u32 offset, u16 val)
-{
- *(volatile u16 *)(NILE4_BASE+offset) = val;
- nile4_sync();
-}
-
-static inline u16 nile4_in16(u32 offset)
-{
- u16 val = *(volatile u16 *)(NILE4_BASE+offset);
- nile4_sync();
- return val;
-}
-
-static inline void nile4_out8(u32 offset, u8 val)
-{
- *(volatile u8 *)(NILE4_BASE+offset) = val;
- nile4_sync();
-}
-
-static inline u8 nile4_in8(u32 offset)
-{
- u8 val = *(volatile u8 *)(NILE4_BASE+offset);
- nile4_sync();
- return val;
-}
-
-
- /*
- * Physical Device Address Registers
- */
-
-extern void nile4_set_pdar(u32 pdar, u32 phys, u32 size, int width,
- int on_memory_bus, int visible);
-
-
- /*
- * PCI Master Registers
- */
-
-#define NILE4_PCICMD_IACK 0 /* PCI Interrupt Acknowledge */
-#define NILE4_PCICMD_IO 1 /* PCI I/O Space */
-#define NILE4_PCICMD_MEM 3 /* PCI Memory Space */
-#define NILE4_PCICMD_CFG 5 /* PCI Configuration Space */
-
-
- /*
- * PCI Address Spaces
- *
- * Note that these are multiplexed using PCIINIT[01]!
- */
-
-#define NILE4_PCI_IO_BASE 0xa6000000
-#define NILE4_PCI_MEM_BASE 0xa8000000
-#define NILE4_PCI_CFG_BASE NILE4_PCI_MEM_BASE
-#define NILE4_PCI_IACK_BASE NILE4_PCI_IO_BASE
-
-
-extern void nile4_set_pmr(u32 pmr, u32 type, u32 addr);
-
-
- /*
- * Interrupt Programming
- */
-
-#define NUM_I8259_INTERRUPTS 16
-#define NUM_NILE4_INTERRUPTS 16
-
-#define IRQ_I8259_CASCADE NILE4_INT_INTE
-#define is_i8259_irq(irq) ((irq) < NUM_I8259_INTERRUPTS)
-#define nile4_to_irq(n) ((n)+NUM_I8259_INTERRUPTS)
-#define irq_to_nile4(n) ((n)-NUM_I8259_INTERRUPTS)
-
-extern void nile4_map_irq(int nile4_irq, int cpu_irq);
-extern void nile4_map_irq_all(int cpu_irq);
-extern void nile4_enable_irq(unsigned int nile4_irq);
-extern void nile4_disable_irq(unsigned int nile4_irq);
-extern void nile4_disable_irq_all(void);
-extern u16 nile4_get_irq_stat(int cpu_irq);
-extern void nile4_enable_irq_output(int cpu_irq);
-extern void nile4_disable_irq_output(int cpu_irq);
-extern void nile4_set_pci_irq_polarity(int pci_irq, int high);
-extern void nile4_set_pci_irq_level_or_edge(int pci_irq, int level);
-extern void nile4_clear_irq(int nile4_irq);
-extern void nile4_clear_irq_mask(u32 mask);
-extern u8 nile4_i8259_iack(void);
-extern void nile4_dump_irq_status(void); /* Debug */
-
-#endif
diff --git a/arch/mips/include/asm/octeon/cvmx-sli-defs.h b/arch/mips/include/asm/octeon/cvmx-sli-defs.h
index cbc7cdae1c6a..5ef6c38150f5 100644
--- a/arch/mips/include/asm/octeon/cvmx-sli-defs.h
+++ b/arch/mips/include/asm/octeon/cvmx-sli-defs.h
@@ -46,7 +46,7 @@ static inline uint64_t CVMX_SLI_PCIE_MSI_RCV_FUNC(void)
case OCTEON_CN78XX & OCTEON_FAMILY_MASK:
if (OCTEON_IS_MODEL(OCTEON_CN78XX_PASS1_X))
return 0x0000000000003CB0ull;
- /* Else, fall through */
+ fallthrough;
default:
return 0x0000000000023CB0ull;
}
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index e2f503fc7a84..6a77bc4a6eec 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -49,7 +49,7 @@ static inline unsigned int page_size_ftlb(unsigned int mmuextdef)
return 6;
if (PAGE_SIZE > (256 << 10))
return 7; /* reserved */
- /* fall through */
+ fallthrough;
case MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT:
return (PAGE_SHIFT - 10) / 2;
default:
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index f92716cfa4f4..ee5dc0c145b9 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -172,6 +172,8 @@
extern pte_t invalid_pte_table[PTRS_PER_PTE];
+#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
+
#ifndef __PAGETABLE_PUD_FOLDED
/*
* For 4-level pagetables we defines these ourselves, for 3-level the
@@ -210,8 +212,6 @@ static inline void p4d_clear(p4d_t *p4dp)
p4d_val(*p4dp) = (unsigned long)invalid_pud_table;
}
-#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
-
static inline unsigned long p4d_page_vaddr(p4d_t p4d)
{
return p4d_val(p4d);
diff --git a/arch/mips/include/asm/pgtable-bits.h b/arch/mips/include/asm/pgtable-bits.h
index 4da79b85c179..e26dc41a8a68 100644
--- a/arch/mips/include/asm/pgtable-bits.h
+++ b/arch/mips/include/asm/pgtable-bits.h
@@ -55,6 +55,9 @@ enum pgtable_bits {
#if defined(CONFIG_ARCH_HAS_PTE_SPECIAL)
_PAGE_SPECIAL_SHIFT,
#endif
+#if defined(CONFIG_HAVE_ARCH_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY_SHIFT,
+#endif
};
/*
@@ -84,6 +87,9 @@ enum pgtable_bits {
#if defined(CONFIG_ARCH_HAS_PTE_SPECIAL)
_PAGE_SPECIAL_SHIFT,
#endif
+#if defined(CONFIG_HAVE_ARCH_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY_SHIFT,
+#endif
};
#elif defined(CONFIG_CPU_R3K_TLB)
@@ -99,6 +105,9 @@ enum pgtable_bits {
#if defined(CONFIG_ARCH_HAS_PTE_SPECIAL)
_PAGE_SPECIAL_SHIFT,
#endif
+#if defined(CONFIG_HAVE_ARCH_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY_SHIFT,
+#endif
/* Used by TLB hardware (placed in EntryLo) */
_PAGE_GLOBAL_SHIFT = 8,
@@ -125,7 +134,9 @@ enum pgtable_bits {
#if defined(CONFIG_ARCH_HAS_PTE_SPECIAL)
_PAGE_SPECIAL_SHIFT,
#endif
-
+#if defined(CONFIG_HAVE_ARCH_SOFT_DIRTY)
+ _PAGE_SOFT_DIRTY_SHIFT,
+#endif
/* Used by TLB hardware (placed in EntryLo*) */
#if defined(CONFIG_CPU_HAS_RIXI)
_PAGE_NO_EXEC_SHIFT,
@@ -152,6 +163,11 @@ enum pgtable_bits {
#else
# define _PAGE_SPECIAL 0
#endif
+#if defined(CONFIG_HAVE_ARCH_SOFT_DIRTY)
+# define _PAGE_SOFT_DIRTY (1 << _PAGE_SOFT_DIRTY_SHIFT)
+#else
+# define _PAGE_SOFT_DIRTY 0
+#endif
/* Used by TLB hardware (placed in EntryLo*) */
#if defined(CONFIG_XPA)
@@ -269,6 +285,6 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
#define __WRITEABLE (_PAGE_SILENT_WRITE | _PAGE_WRITE | _PAGE_MODIFIED)
#define _PAGE_CHG_MASK (_PAGE_ACCESSED | _PAGE_MODIFIED | \
- _PFN_MASK | _CACHE_MASK)
+ _PAGE_SOFT_DIRTY | _PFN_MASK | _CACHE_MASK)
#endif /* _ASM_PGTABLE_BITS_H */
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index f1801e7a4b15..32760b41aa31 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -400,7 +400,7 @@ static inline pte_t pte_mkwrite(pte_t pte)
static inline pte_t pte_mkdirty(pte_t pte)
{
- pte_val(pte) |= _PAGE_MODIFIED;
+ pte_val(pte) |= _PAGE_MODIFIED | _PAGE_SOFT_DIRTY;
if (pte_val(pte) & _PAGE_WRITE)
pte_val(pte) |= _PAGE_SILENT_WRITE;
return pte;
@@ -414,6 +414,8 @@ static inline pte_t pte_mkyoung(pte_t pte)
return pte;
}
+#define pte_sw_mkyoung pte_mkyoung
+
#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
static inline int pte_huge(pte_t pte) { return pte_val(pte) & _PAGE_HUGE; }
@@ -423,6 +425,30 @@ static inline pte_t pte_mkhuge(pte_t pte)
return pte;
}
#endif /* CONFIG_MIPS_HUGE_TLB_SUPPORT */
+
+#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
+static inline bool pte_soft_dirty(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_SOFT_DIRTY;
+}
+#define pte_swp_soft_dirty pte_soft_dirty
+
+static inline pte_t pte_mksoft_dirty(pte_t pte)
+{
+ pte_val(pte) |= _PAGE_SOFT_DIRTY;
+ return pte;
+}
+#define pte_swp_mksoft_dirty pte_mksoft_dirty
+
+static inline pte_t pte_clear_soft_dirty(pte_t pte)
+{
+ pte_val(pte) &= ~(_PAGE_SOFT_DIRTY);
+ return pte;
+}
+#define pte_swp_clear_soft_dirty pte_clear_soft_dirty
+
+#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
+
#endif
/*
@@ -454,6 +480,31 @@ static inline pgprot_t pgprot_writecombine(pgprot_t _prot)
return __pgprot(prot);
}
+static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma,
+ unsigned long address)
+{
+}
+
+#define __HAVE_ARCH_PTE_SAME
+static inline int pte_same(pte_t pte_a, pte_t pte_b)
+{
+ return pte_val(pte_a) == pte_val(pte_b);
+}
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+static inline int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty)
+{
+ if (!pte_same(*ptep, entry))
+ set_pte_at(vma->vm_mm, address, ptep, entry);
+ /*
+ * update_mmu_cache will unconditionally execute, handling both
+ * the case that the PTE changed and the spurious fault case.
+ */
+ return true;
+}
+
/*
* Conversion functions: convert a page and protection to a page entry,
* and a page entry and page directory to the page they refer to.
@@ -481,8 +532,11 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#else
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
- return __pte((pte_val(pte) & _PAGE_CHG_MASK) |
- (pgprot_val(newprot) & ~_PAGE_CHG_MASK));
+ pte_val(pte) &= _PAGE_CHG_MASK;
+ pte_val(pte) |= pgprot_val(newprot) & ~_PAGE_CHG_MASK;
+ if ((pte_val(pte) & _PAGE_ACCESSED) && !(pte_val(pte) & _PAGE_NO_READ))
+ pte_val(pte) |= _PAGE_SILENT_READ;
+ return pte;
}
#endif
@@ -497,6 +551,9 @@ static inline void update_mmu_cache(struct vm_area_struct *vma,
__update_tlb(vma, address, pte);
}
+#define __HAVE_ARCH_UPDATE_MMU_TLB
+#define update_mmu_tlb update_mmu_cache
+
static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp)
{
@@ -507,20 +564,17 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
#define kern_addr_valid(addr) (1)
-#ifdef CONFIG_PHYS_ADDR_T_64BIT
-extern int remap_pfn_range(struct vm_area_struct *vma, unsigned long from, unsigned long pfn, unsigned long size, pgprot_t prot);
-
-static inline int io_remap_pfn_range(struct vm_area_struct *vma,
- unsigned long vaddr,
- unsigned long pfn,
- unsigned long size,
- pgprot_t prot)
-{
- phys_addr_t phys_addr_high = fixup_bigphys_addr(pfn << PAGE_SHIFT, size);
- return remap_pfn_range(vma, vaddr, phys_addr_high >> PAGE_SHIFT, size, prot);
-}
+/*
+ * Allow physical addresses to be fixed up to help 36-bit peripherals.
+ */
+#ifdef CONFIG_MIPS_FIXUP_BIGPHYS_ADDR
+phys_addr_t fixup_bigphys_addr(phys_addr_t addr, phys_addr_t size);
+int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long vaddr,
+ unsigned long pfn, unsigned long size, pgprot_t prot);
#define io_remap_pfn_range io_remap_pfn_range
-#endif
+#else
+#define fixup_bigphys_addr(addr, size) (addr)
+#endif /* CONFIG_MIPS_FIXUP_BIGPHYS_ADDR */
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -579,7 +633,7 @@ static inline pmd_t pmd_mkclean(pmd_t pmd)
static inline pmd_t pmd_mkdirty(pmd_t pmd)
{
- pmd_val(pmd) |= _PAGE_MODIFIED;
+ pmd_val(pmd) |= _PAGE_MODIFIED | _PAGE_SOFT_DIRTY;
if (pmd_val(pmd) & _PAGE_WRITE)
pmd_val(pmd) |= _PAGE_SILENT_WRITE;
@@ -608,6 +662,26 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
return pmd;
}
+#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
+static inline int pmd_soft_dirty(pmd_t pmd)
+{
+ return !!(pmd_val(pmd) & _PAGE_SOFT_DIRTY);
+}
+
+static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
+{
+ pmd_val(pmd) |= _PAGE_SOFT_DIRTY;
+ return pmd;
+}
+
+static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
+{
+ pmd_val(pmd) &= ~(_PAGE_SOFT_DIRTY);
+ return pmd;
+}
+
+#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
+
/* Extern to avoid header file madness */
extern pmd_t mk_pmd(struct page *page, pgprot_t prot);
@@ -631,7 +705,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
return pmd;
}
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
+static inline pmd_t pmd_mkinvalid(pmd_t pmd)
{
pmd_val(pmd) &= ~(_PAGE_PRESENT | _PAGE_VALID | _PAGE_DIRTY);
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h
index 7990c1c70471..5d9ff61004ca 100644
--- a/arch/mips/include/asm/smp.h
+++ b/arch/mips/include/asm/smp.h
@@ -125,7 +125,7 @@ static inline void arch_send_call_function_single_ipi(int cpu)
{
extern const struct plat_smp_ops *mp_ops; /* private */
- mp_ops->send_ipi_mask(cpumask_of(cpu), SMP_CALL_FUNCTION);
+ mp_ops->send_ipi_single(cpu, SMP_CALL_FUNCTION);
}
static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 4d6ad907ae54..3e8d2aaf96af 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -424,7 +424,7 @@
.macro RESTORE_SP_AND_RET docfi=0
RESTORE_SP \docfi
-#ifdef CONFIG_CPU_MIPSR6
+#if defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
eretnc
#else
.set push
diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index 09cbe9042828..0b0a93bf83cd 100644
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -67,11 +67,11 @@ do { \
#endif
/*
- * Clear LLBit during context switches on MIPSr6 such that eretnc can be used
+ * Clear LLBit during context switches on MIPSr5+ such that eretnc can be used
* unconditionally when returning to userland in entry.S.
*/
-#define __clear_r6_hw_ll_bit() do { \
- if (cpu_has_mips_r6) \
+#define __clear_r5_hw_ll_bit() do { \
+ if (cpu_has_mips_r5 || cpu_has_mips_r6) \
write_c0_lladdr(0); \
} while (0)
@@ -129,7 +129,7 @@ do { \
} \
clear_c0_status(ST0_CU2); \
} \
- __clear_r6_hw_ll_bit(); \
+ __clear_r5_hw_ll_bit(); \
__clear_software_ll_bit(); \
if (cpu_has_userlocal) \
write_c0_userlocal(task_thread_info(next)->tp_value); \
diff --git a/arch/mips/include/asm/unaligned-emul.h b/arch/mips/include/asm/unaligned-emul.h
new file mode 100644
index 000000000000..2022b18944b9
--- /dev/null
+++ b/arch/mips/include/asm/unaligned-emul.h
@@ -0,0 +1,779 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_MIPS_UNALIGNED_EMUL_H
+#define _ASM_MIPS_UNALIGNED_EMUL_H
+
+#include <asm/asm.h>
+
+#ifdef __BIG_ENDIAN
+#define _LoadHW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ (".set\tnoat\n" \
+ "1:\t"type##_lb("%0", "0(%2)")"\n" \
+ "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ "3:\t.set\tat\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _LoadW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_lwl("%0", "(%2)")"\n" \
+ "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+/* For CPUs without lwl instruction */
+#define _LoadW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n" \
+ ".set\tnoat\n\t" \
+ "1:"type##_lb("%0", "0(%2)")"\n\t" \
+ "2:"type##_lbu("$1", "1(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:"type##_lbu("$1", "2(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:"type##_lbu("$1", "3(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+
+#define _LoadHWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tnoat\n" \
+ "1:\t"type##_lbu("%0", "0(%2)")"\n" \
+ "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".set\tat\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _LoadWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_lwl("%0", "(%2)")"\n" \
+ "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
+ "dsll\t%0, %0, 32\n\t" \
+ "dsrl\t%0, %0, 32\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ "\t.section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _LoadDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\tldl\t%0, (%2)\n" \
+ "2:\tldr\t%0, 7(%2)\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ "\t.section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+/* For CPUs without lwl and ldl instructions */
+#define _LoadWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:"type##_lbu("%0", "0(%2)")"\n\t" \
+ "2:"type##_lbu("$1", "1(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:"type##_lbu("$1", "2(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:"type##_lbu("$1", "3(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _LoadDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:lb\t%0, 0(%2)\n\t" \
+ "2:lbu\t $1, 1(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:lbu\t$1, 2(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:lbu\t$1, 3(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "5:lbu\t$1, 4(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "6:lbu\t$1, 5(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "7:lbu\t$1, 6(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "8:lbu\t$1, 7(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n\t" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ STR(PTR)"\t5b, 11b\n\t" \
+ STR(PTR)"\t6b, 11b\n\t" \
+ STR(PTR)"\t7b, 11b\n\t" \
+ STR(PTR)"\t8b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+
+
+#define _StoreHW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tnoat\n" \
+ "1:\t"type##_sb("%1", "1(%2)")"\n" \
+ "srl\t$1, %1, 0x8\n" \
+ "2:\t"type##_sb("$1", "0(%2)")"\n" \
+ ".set\tat\n\t" \
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT));\
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _StoreW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_swl("%1", "(%2)")"\n" \
+ "2:\t"type##_swr("%1", "3(%2)")"\n\t"\
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _StoreDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\tsdl\t%1,(%2)\n" \
+ "2:\tsdr\t%1, 7(%2)\n\t" \
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+#define _StoreW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:"type##_sb("%1", "3(%2)")"\n\t" \
+ "srl\t$1, %1, 0x8\n\t" \
+ "2:"type##_sb("$1", "2(%2)")"\n\t" \
+ "srl\t$1, $1, 0x8\n\t" \
+ "3:"type##_sb("$1", "1(%2)")"\n\t" \
+ "srl\t$1, $1, 0x8\n\t" \
+ "4:"type##_sb("$1", "0(%2)")"\n\t" \
+ ".set\tpop\n\t" \
+ "li\t%0, 0\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%0, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT) \
+ : "memory"); \
+} while (0)
+
+#define _StoreDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:sb\t%1, 7(%2)\n\t" \
+ "dsrl\t$1, %1, 0x8\n\t" \
+ "2:sb\t$1, 6(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "3:sb\t$1, 5(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "4:sb\t$1, 4(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "5:sb\t$1, 3(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "6:sb\t$1, 2(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "7:sb\t$1, 1(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "8:sb\t$1, 0(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ ".set\tpop\n\t" \
+ "li\t%0, 0\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%0, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ STR(PTR)"\t5b, 11b\n\t" \
+ STR(PTR)"\t6b, 11b\n\t" \
+ STR(PTR)"\t7b, 11b\n\t" \
+ STR(PTR)"\t8b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT) \
+ : "memory"); \
+} while (0)
+
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+
+#else /* __BIG_ENDIAN */
+
+#define _LoadHW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ (".set\tnoat\n" \
+ "1:\t"type##_lb("%0", "1(%2)")"\n" \
+ "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ "3:\t.set\tat\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _LoadW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_lwl("%0", "3(%2)")"\n" \
+ "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+/* For CPUs without lwl instruction */
+#define _LoadW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n" \
+ ".set\tnoat\n\t" \
+ "1:"type##_lb("%0", "3(%2)")"\n\t" \
+ "2:"type##_lbu("$1", "2(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:"type##_lbu("$1", "1(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:"type##_lbu("$1", "0(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+
+
+#define _LoadHWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tnoat\n" \
+ "1:\t"type##_lbu("%0", "1(%2)")"\n" \
+ "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".set\tat\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _LoadWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_lwl("%0", "3(%2)")"\n" \
+ "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
+ "dsll\t%0, %0, 32\n\t" \
+ "dsrl\t%0, %0, 32\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ "\t.section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _LoadDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\tldl\t%0, 7(%2)\n" \
+ "2:\tldr\t%0, (%2)\n\t" \
+ "li\t%1, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ "\t.section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%1, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+/* For CPUs without lwl and ldl instructions */
+#define _LoadWU(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:"type##_lbu("%0", "3(%2)")"\n\t" \
+ "2:"type##_lbu("$1", "2(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:"type##_lbu("$1", "1(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:"type##_lbu("$1", "0(%2)")"\n\t" \
+ "sll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _LoadDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:lb\t%0, 7(%2)\n\t" \
+ "2:lbu\t$1, 6(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "3:lbu\t$1, 5(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "4:lbu\t$1, 4(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "5:lbu\t$1, 3(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "6:lbu\t$1, 2(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "7:lbu\t$1, 1(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "8:lbu\t$1, 0(%2)\n\t" \
+ "dsll\t%0, 0x8\n\t" \
+ "or\t%0, $1\n\t" \
+ "li\t%1, 0\n" \
+ ".set\tpop\n\t" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%1, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ STR(PTR)"\t5b, 11b\n\t" \
+ STR(PTR)"\t6b, 11b\n\t" \
+ STR(PTR)"\t7b, 11b\n\t" \
+ STR(PTR)"\t8b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (value), "=r" (res) \
+ : "r" (addr), "i" (-EFAULT)); \
+} while (0)
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+
+#define _StoreHW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tnoat\n" \
+ "1:\t"type##_sb("%1", "0(%2)")"\n" \
+ "srl\t$1,%1, 0x8\n" \
+ "2:\t"type##_sb("$1", "1(%2)")"\n" \
+ ".set\tat\n\t" \
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT));\
+} while (0)
+
+#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
+#define _StoreW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\t"type##_swl("%1", "3(%2)")"\n" \
+ "2:\t"type##_swr("%1", "(%2)")"\n\t"\
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#define _StoreDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ "1:\tsdl\t%1, 7(%2)\n" \
+ "2:\tsdr\t%1, (%2)\n\t" \
+ "li\t%0, 0\n" \
+ "3:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "4:\tli\t%0, %3\n\t" \
+ "j\t3b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 4b\n\t" \
+ STR(PTR)"\t2b, 4b\n\t" \
+ ".previous" \
+ : "=r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT)); \
+} while (0)
+
+#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
+/* For CPUs without swl and sdl instructions */
+#define _StoreW(addr, value, res, type) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:"type##_sb("%1", "0(%2)")"\n\t" \
+ "srl\t$1, %1, 0x8\n\t" \
+ "2:"type##_sb("$1", "1(%2)")"\n\t" \
+ "srl\t$1, $1, 0x8\n\t" \
+ "3:"type##_sb("$1", "2(%2)")"\n\t" \
+ "srl\t$1, $1, 0x8\n\t" \
+ "4:"type##_sb("$1", "3(%2)")"\n\t" \
+ ".set\tpop\n\t" \
+ "li\t%0, 0\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%0, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT) \
+ : "memory"); \
+} while (0)
+
+#define _StoreDW(addr, value, res) \
+do { \
+ __asm__ __volatile__ ( \
+ ".set\tpush\n\t" \
+ ".set\tnoat\n\t" \
+ "1:sb\t%1, 0(%2)\n\t" \
+ "dsrl\t$1, %1, 0x8\n\t" \
+ "2:sb\t$1, 1(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "3:sb\t$1, 2(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "4:sb\t$1, 3(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "5:sb\t$1, 4(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "6:sb\t$1, 5(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "7:sb\t$1, 6(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ "8:sb\t$1, 7(%2)\n\t" \
+ "dsrl\t$1, $1, 0x8\n\t" \
+ ".set\tpop\n\t" \
+ "li\t%0, 0\n" \
+ "10:\n\t" \
+ ".insn\n\t" \
+ ".section\t.fixup,\"ax\"\n\t" \
+ "11:\tli\t%0, %3\n\t" \
+ "j\t10b\n\t" \
+ ".previous\n\t" \
+ ".section\t__ex_table,\"a\"\n\t" \
+ STR(PTR)"\t1b, 11b\n\t" \
+ STR(PTR)"\t2b, 11b\n\t" \
+ STR(PTR)"\t3b, 11b\n\t" \
+ STR(PTR)"\t4b, 11b\n\t" \
+ STR(PTR)"\t5b, 11b\n\t" \
+ STR(PTR)"\t6b, 11b\n\t" \
+ STR(PTR)"\t7b, 11b\n\t" \
+ STR(PTR)"\t8b, 11b\n\t" \
+ ".previous" \
+ : "=&r" (res) \
+ : "r" (value), "r" (addr), "i" (-EFAULT) \
+ : "memory"); \
+} while (0)
+
+#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
+#endif
+
+#define LoadHWU(addr, value, res) _LoadHWU(addr, value, res, kernel)
+#define LoadHWUE(addr, value, res) _LoadHWU(addr, value, res, user)
+#define LoadWU(addr, value, res) _LoadWU(addr, value, res, kernel)
+#define LoadWUE(addr, value, res) _LoadWU(addr, value, res, user)
+#define LoadHW(addr, value, res) _LoadHW(addr, value, res, kernel)
+#define LoadHWE(addr, value, res) _LoadHW(addr, value, res, user)
+#define LoadW(addr, value, res) _LoadW(addr, value, res, kernel)
+#define LoadWE(addr, value, res) _LoadW(addr, value, res, user)
+#define LoadDW(addr, value, res) _LoadDW(addr, value, res)
+
+#define StoreHW(addr, value, res) _StoreHW(addr, value, res, kernel)
+#define StoreHWE(addr, value, res) _StoreHW(addr, value, res, user)
+#define StoreW(addr, value, res) _StoreW(addr, value, res, kernel)
+#define StoreWE(addr, value, res) _StoreW(addr, value, res, user)
+#define StoreDW(addr, value, res) _StoreDW(addr, value, res)
+
+#endif /* _ASM_MIPS_UNALIGNED_EMUL_H */
diff --git a/arch/mips/include/asm/vermagic.h b/arch/mips/include/asm/vermagic.h
new file mode 100644
index 000000000000..4d2dae0c7c57
--- /dev/null
+++ b/arch/mips/include/asm/vermagic.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#ifdef CONFIG_CPU_BMIPS
+#define MODULE_PROC_FAMILY "BMIPS "
+#elif defined CONFIG_CPU_MIPS32_R1
+#define MODULE_PROC_FAMILY "MIPS32_R1 "
+#elif defined CONFIG_CPU_MIPS32_R2
+#define MODULE_PROC_FAMILY "MIPS32_R2 "
+#elif defined CONFIG_CPU_MIPS32_R5
+#define MODULE_PROC_FAMILY "MIPS32_R5 "
+#elif defined CONFIG_CPU_MIPS32_R6
+#define MODULE_PROC_FAMILY "MIPS32_R6 "
+#elif defined CONFIG_CPU_MIPS64_R1
+#define MODULE_PROC_FAMILY "MIPS64_R1 "
+#elif defined CONFIG_CPU_MIPS64_R2
+#define MODULE_PROC_FAMILY "MIPS64_R2 "
+#elif defined CONFIG_CPU_MIPS64_R5
+#define MODULE_PROC_FAMILY "MIPS64_R5 "
+#elif defined CONFIG_CPU_MIPS64_R6
+#define MODULE_PROC_FAMILY "MIPS64_R6 "
+#elif defined CONFIG_CPU_R3000
+#define MODULE_PROC_FAMILY "R3000 "
+#elif defined CONFIG_CPU_TX39XX
+#define MODULE_PROC_FAMILY "TX39XX "
+#elif defined CONFIG_CPU_VR41XX
+#define MODULE_PROC_FAMILY "VR41XX "
+#elif defined CONFIG_CPU_R4X00
+#define MODULE_PROC_FAMILY "R4X00 "
+#elif defined CONFIG_CPU_TX49XX
+#define MODULE_PROC_FAMILY "TX49XX "
+#elif defined CONFIG_CPU_R5000
+#define MODULE_PROC_FAMILY "R5000 "
+#elif defined CONFIG_CPU_R5500
+#define MODULE_PROC_FAMILY "R5500 "
+#elif defined CONFIG_CPU_NEVADA
+#define MODULE_PROC_FAMILY "NEVADA "
+#elif defined CONFIG_CPU_R10000
+#define MODULE_PROC_FAMILY "R10000 "
+#elif defined CONFIG_CPU_RM7000
+#define MODULE_PROC_FAMILY "RM7000 "
+#elif defined CONFIG_CPU_SB1
+#define MODULE_PROC_FAMILY "SB1 "
+#elif defined CONFIG_CPU_LOONGSON32
+#define MODULE_PROC_FAMILY "LOONGSON32 "
+#elif defined CONFIG_CPU_LOONGSON2EF
+#define MODULE_PROC_FAMILY "LOONGSON2EF "
+#elif defined CONFIG_CPU_LOONGSON64
+#define MODULE_PROC_FAMILY "LOONGSON64 "
+#elif defined CONFIG_CPU_CAVIUM_OCTEON
+#define MODULE_PROC_FAMILY "OCTEON "
+#elif defined CONFIG_CPU_P5600
+#define MODULE_PROC_FAMILY "P5600 "
+#elif defined CONFIG_CPU_XLR
+#define MODULE_PROC_FAMILY "XLR "
+#elif defined CONFIG_CPU_XLP
+#define MODULE_PROC_FAMILY "XLP "
+#else
+#error MODULE_PROC_FAMILY undefined for your processor configuration
+#endif
+
+#ifdef CONFIG_32BIT
+#define MODULE_KERNEL_TYPE "32BIT "
+#elif defined CONFIG_64BIT
+#define MODULE_KERNEL_TYPE "64BIT "
+#endif
+
+#define MODULE_ARCH_VERMAGIC \
+ MODULE_PROC_FAMILY MODULE_KERNEL_TYPE
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/mips/include/uapi/asm/hwcap.h b/arch/mips/include/uapi/asm/hwcap.h
index 1ade1daa4921..b7e02bdc1985 100644
--- a/arch/mips/include/uapi/asm/hwcap.h
+++ b/arch/mips/include/uapi/asm/hwcap.h
@@ -17,5 +17,6 @@
#define HWCAP_LOONGSON_MMI (1 << 11)
#define HWCAP_LOONGSON_EXT (1 << 12)
#define HWCAP_LOONGSON_EXT2 (1 << 13)
+#define HWCAP_LOONGSON_CPUCFG (1 << 14)
#endif /* _UAPI_ASM_HWCAP_H */
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index eaa3a80affdf..98f97c85e059 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -989,6 +989,30 @@ struct mm16_r5_format { /* Load/store from stack pointer format */
};
/*
+ * Loongson-3 overridden COP2 instruction formats (32-bit length)
+ */
+struct loongson3_lswc2_format { /* Loongson-3 overridden lwc2/swc2 Load/Store format */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int base : 5,
+ __BITFIELD_FIELD(unsigned int rt : 5,
+ __BITFIELD_FIELD(unsigned int fr : 1,
+ __BITFIELD_FIELD(unsigned int offset : 9,
+ __BITFIELD_FIELD(unsigned int ls : 1,
+ __BITFIELD_FIELD(unsigned int rq : 5,
+ ;)))))))
+};
+
+struct loongson3_lsdc2_format { /* Loongson-3 overridden ldc2/sdc2 Load/Store format */
+ __BITFIELD_FIELD(unsigned int opcode : 6,
+ __BITFIELD_FIELD(unsigned int base : 5,
+ __BITFIELD_FIELD(unsigned int rt : 5,
+ __BITFIELD_FIELD(unsigned int index : 5,
+ __BITFIELD_FIELD(unsigned int offset : 8,
+ __BITFIELD_FIELD(unsigned int opcode1 : 3,
+ ;))))))
+};
+
+/*
* MIPS16e instruction formats (16-bit length)
*/
struct m16e_rr {
@@ -1088,6 +1112,8 @@ union mips_instruction {
struct mm16_rb_format mm16_rb_format;
struct mm16_r3_format mm16_r3_format;
struct mm16_r5_format mm16_r5_format;
+ struct loongson3_lswc2_format loongson3_lswc2_format;
+ struct loongson3_lsdc2_format loongson3_lsdc2_format;
};
union mips16e_instruction {
diff --git a/arch/mips/jazz/Platform b/arch/mips/jazz/Platform
index 3373788acca1..eb0490ae8b09 100644
--- a/arch/mips/jazz/Platform
+++ b/arch/mips/jazz/Platform
@@ -1,6 +1,5 @@
#
# Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
#
-platform-$(CONFIG_MACH_JAZZ) += jazz/
cflags-$(CONFIG_MACH_JAZZ) += -I$(srctree)/arch/mips/include/asm/mach-jazz
load-$(CONFIG_MACH_JAZZ) += 0xffffffff80080000
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 412d2faa3cdf..9c2e8c15bb97 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -2,7 +2,14 @@
choice
prompt "Machine type"
depends on MACH_INGENIC
- default JZ4740_QI_LB60
+ default INGENIC_GENERIC_BOARD
+
+config INGENIC_GENERIC_BOARD
+ bool "Generic board"
+ select MACH_JZ4740
+ select MACH_JZ4770
+ select MACH_JZ4780
+ select MACH_X1000
config JZ4740_QI_LB60
bool "Qi Hardware Ben NanoNote"
diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index 6de14c0deb4e..f96c0f5eca44 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -4,11 +4,6 @@
#
# Object file lists.
-
-obj-y += prom.o time.o reset.o setup.o timer.o
+obj-y += setup.o
CFLAGS_setup.o = -I$(src)/../../../scripts/dtc/libfdt
-
-# PM support
-
-obj-$(CONFIG_PM) += pm.o
diff --git a/arch/mips/jz4740/Platform b/arch/mips/jz4740/Platform
index a2a5a85ea1f9..bd35d0621b13 100644
--- a/arch/mips/jz4740/Platform
+++ b/arch/mips/jz4740/Platform
@@ -1,4 +1,3 @@
-platform-$(CONFIG_MACH_INGENIC) += jz4740/
cflags-$(CONFIG_MACH_INGENIC) += -I$(srctree)/arch/mips/include/asm/mach-jz4740
load-$(CONFIG_MACH_INGENIC) += 0xffffffff80010000
zload-$(CONFIG_MACH_INGENIC) += 0xffffffff81000000
diff --git a/arch/mips/jz4740/pm.c b/arch/mips/jz4740/pm.c
deleted file mode 100644
index f9b551f01f42..000000000000
--- a/arch/mips/jz4740/pm.c
+++ /dev/null
@@ -1,34 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 SoC power management support
- */
-
-#include <linux/init.h>
-#include <linux/pm.h>
-#include <linux/delay.h>
-#include <linux/suspend.h>
-
-static int jz4740_pm_enter(suspend_state_t state)
-{
- __asm__(".set\tmips3\n\t"
- "wait\n\t"
- ".set\tmips0");
-
-
-
- return 0;
-}
-
-static const struct platform_suspend_ops jz4740_pm_ops = {
- .valid = suspend_valid_only_mem,
- .enter = jz4740_pm_enter,
-};
-
-static int __init jz4740_pm_init(void)
-{
- suspend_set_ops(&jz4740_pm_ops);
- return 0;
-
-}
-late_initcall(jz4740_pm_init);
diff --git a/arch/mips/jz4740/prom.c b/arch/mips/jz4740/prom.c
deleted file mode 100644
index ff4555c3fb15..000000000000
--- a/arch/mips/jz4740/prom.c
+++ /dev/null
@@ -1,19 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 SoC prom code
- */
-
-#include <linux/init.h>
-
-#include <asm/bootinfo.h>
-#include <asm/fw/fw.h>
-
-void __init prom_init(void)
-{
- fw_init_cmdline();
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/jz4740/reset.c b/arch/mips/jz4740/reset.c
deleted file mode 100644
index 1f9f02e54085..000000000000
--- a/arch/mips/jz4740/reset.c
+++ /dev/null
@@ -1,24 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- */
-
-#include <asm/reboot.h>
-
-#include "reset.h"
-
-static void jz4740_halt(void)
-{
- while (1) {
- __asm__(".set push;\n"
- ".set mips3;\n"
- "wait;\n"
- ".set pop;\n"
- );
- }
-}
-
-void jz4740_reset_init(void)
-{
- _machine_halt = jz4740_halt;
-}
diff --git a/arch/mips/jz4740/reset.h b/arch/mips/jz4740/reset.h
deleted file mode 100644
index 4e8746ee9b61..000000000000
--- a/arch/mips/jz4740/reset.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __MIPS_JZ4740_RESET_H__
-#define __MIPS_JZ4740_RESET_H__
-
-extern void jz4740_reset_init(void);
-
-#endif
diff --git a/arch/mips/jz4740/setup.c b/arch/mips/jz4740/setup.c
index 880c26857aff..61468a87775c 100644
--- a/arch/mips/jz4740/setup.c
+++ b/arch/mips/jz4740/setup.c
@@ -5,17 +5,22 @@
* JZ4740 setup code
*/
+#include <linux/clocksource.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/irqchip.h>
#include <linux/kernel.h>
#include <linux/libfdt.h>
+#include <linux/of_clk.h>
#include <linux/of_fdt.h>
+#include <linux/pm.h>
+#include <linux/suspend.h>
#include <asm/bootinfo.h>
+#include <asm/fw/fw.h>
#include <asm/prom.h>
-
-#include "reset.h"
+#include <asm/reboot.h>
+#include <asm/time.h>
#define JZ4740_EMC_BASE_ADDR 0x13010000
@@ -61,8 +66,6 @@ void __init plat_mem_setup(void)
int offset;
void *dtb;
- jz4740_reset_init();
-
if (__dtb_start != __dtb_end)
dtb = __dtb_start;
else
@@ -105,3 +108,56 @@ void __init arch_init_irq(void)
{
irqchip_init();
}
+
+void __init plat_time_init(void)
+{
+ of_clk_init(NULL);
+ timer_probe();
+}
+
+void __init prom_init(void)
+{
+ fw_init_cmdline();
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+static void jz4740_wait_instr(void)
+{
+ __asm__(".set push;\n"
+ ".set mips3;\n"
+ "wait;\n"
+ ".set pop;\n"
+ );
+}
+
+static void jz4740_halt(void)
+{
+ for (;;)
+ jz4740_wait_instr();
+}
+
+static int __maybe_unused jz4740_pm_enter(suspend_state_t state)
+{
+ jz4740_wait_instr();
+
+ return 0;
+}
+
+static const struct platform_suspend_ops jz4740_pm_ops __maybe_unused = {
+ .valid = suspend_valid_only_mem,
+ .enter = jz4740_pm_enter,
+};
+
+static int __init jz4740_pm_init(void)
+{
+ if (IS_ENABLED(CONFIG_PM_SLEEP))
+ suspend_set_ops(&jz4740_pm_ops);
+ _machine_halt = jz4740_halt;
+
+ return 0;
+
+}
+late_initcall(jz4740_pm_init);
diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c
deleted file mode 100644
index 605a84a250bf..000000000000
--- a/arch/mips/jz4740/time.c
+++ /dev/null
@@ -1,17 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 platform time support
- */
-
-#include <linux/clocksource.h>
-#include <linux/of_clk.h>
-
-#include <asm/mach-jz4740/timer.h>
-
-void __init plat_time_init(void)
-{
- of_clk_init(NULL);
- jz4740_timer_init();
- timer_probe();
-}
diff --git a/arch/mips/jz4740/timer.c b/arch/mips/jz4740/timer.c
deleted file mode 100644
index 5c9f82de6a82..000000000000
--- a/arch/mips/jz4740/timer.c
+++ /dev/null
@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
- * JZ4740 platform timer support
- */
-
-#include <linux/export.h>
-#include <linux/io.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-
-#include <asm/mach-jz4740/base.h>
-#include <asm/mach-jz4740/timer.h>
-
-void __iomem *jz4740_timer_base;
-EXPORT_SYMBOL_GPL(jz4740_timer_base);
-
-void jz4740_timer_enable_watchdog(void)
-{
- writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_CLEAR);
-}
-EXPORT_SYMBOL_GPL(jz4740_timer_enable_watchdog);
-
-void jz4740_timer_disable_watchdog(void)
-{
- writel(BIT(16), jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
-}
-EXPORT_SYMBOL_GPL(jz4740_timer_disable_watchdog);
-
-void __init jz4740_timer_init(void)
-{
- jz4740_timer_base = ioremap(JZ4740_TCU_BASE_ADDR, 0x100);
-
- if (!jz4740_timer_base)
- panic("Failed to ioremap timer registers");
-
- /* Disable all timer clocks except for those used as system timers */
- writel(0x000100fc, jz4740_timer_base + JZ_REG_TIMER_STOP_SET);
-
- /* Timer irqs are unmasked by default, mask them */
- writel(0x00ff00ff, jz4740_timer_base + JZ_REG_TIMER_MASK_SET);
-}
diff --git a/arch/mips/kernel/8250-platform.c b/arch/mips/kernel/8250-platform.c
deleted file mode 100644
index 5c6b2ab1f56e..000000000000
--- a/arch/mips/kernel/8250-platform.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
- */
-#include <linux/init.h>
-#include <linux/serial_8250.h>
-
-#define PORT(base, int) \
-{ \
- .iobase = base, \
- .irq = int, \
- .uartclk = 1843200, \
- .iotype = UPIO_PORT, \
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
- .regshift = 0, \
-}
-
-static struct plat_serial8250_port uart8250_data[] = {
- PORT(0x3F8, 4),
- PORT(0x2F8, 3),
- PORT(0x3E8, 4),
- PORT(0x2E8, 3),
- { },
-};
-
-static struct platform_device uart8250_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = uart8250_data,
- },
-};
-
-static int __init uart8250_init(void)
-{
- return platform_device_register(&uart8250_device);
-}
-
-module_init(uart8250_init);
-
-MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Generic 8250 UART probe driver");
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index d6e97df51cfb..8c7a043295ed 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -98,8 +98,6 @@ obj-$(CONFIG_MIPSR2_TO_R6_EMULATOR) += mips-r2-to-r6-emul.o
CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi)
-obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o
-
obj-$(CONFIG_PERF_EVENTS) += perf_event.o
obj-$(CONFIG_HW_PERF_EVENTS) += perf_event_mipsxx.o
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 2c38f75d87ff..fb3e203698ea 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -90,7 +90,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc +
dec_insn.next_pc_inc;
- /* Fall through */
+ fallthrough;
case mm_bltz_op:
if ((long)regs->regs[insn.mm_i_format.rs] < 0)
*contpc = regs->cp0_epc +
@@ -106,7 +106,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc +
dec_insn.next_pc_inc;
- /* Fall through */
+ fallthrough;
case mm_bgez_op:
if ((long)regs->regs[insn.mm_i_format.rs] >= 0)
*contpc = regs->cp0_epc +
@@ -144,7 +144,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
unsigned int bit;
bc_false = 1;
- /* Fall through */
+ fallthrough;
case mm_bc2t_op:
case mm_bc1t_op:
preempt_disable();
@@ -178,7 +178,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case mm_jalrs16_op:
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
- /* Fall through */
+ fallthrough;
case mm_jr16_op:
*contpc = regs->regs[insn.mm_i_format.rs];
return 1;
@@ -239,7 +239,7 @@ int __mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case mm_jal32_op:
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc + dec_insn.next_pc_inc;
- /* Fall through */
+ fallthrough;
case mm_j32_op:
*contpc = regs->cp0_epc + dec_insn.pc_inc;
*contpc >>= 27;
@@ -432,7 +432,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
switch (insn.r_format.func) {
case jalr_op:
regs->regs[insn.r_format.rd] = epc + 8;
- /* Fall through */
+ fallthrough;
case jr_op:
if (NO_R6EMU && insn.r_format.func == jr_op)
goto sigill_r2r6;
@@ -451,7 +451,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case bltzl_op:
if (NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case bltz_op:
if ((long)regs->regs[insn.i_format.rs] < 0) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
@@ -465,7 +465,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case bgezl_op:
if (NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case bgez_op:
if ((long)regs->regs[insn.i_format.rs] >= 0) {
epc = epc + 4 + (insn.i_format.simmediate << 2);
@@ -561,7 +561,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case jalx_op:
case jal_op:
regs->regs[31] = regs->cp0_epc + 8;
- /* fall through */
+ fallthrough;
case j_op:
epc += 4;
epc >>= 28;
@@ -578,7 +578,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case beql_op:
if (NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case beq_op:
if (regs->regs[insn.i_format.rs] ==
regs->regs[insn.i_format.rt]) {
@@ -593,7 +593,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case bnel_op:
if (NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case bne_op:
if (regs->regs[insn.i_format.rs] !=
regs->regs[insn.i_format.rt]) {
@@ -608,7 +608,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case blezl_op: /* not really i_format */
if (!insn.i_format.rt && NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case blez_op:
/*
* Compact branches for R6 for the
@@ -644,7 +644,7 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
case bgtzl_op:
if (!insn.i_format.rt && NO_R6EMU)
goto sigill_r2r6;
- /* fall through */
+ fallthrough;
case bgtz_op:
/*
* Compact branches for R6 for the
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index 17a9cbb8b3df..995ad9e69ded 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -8,6 +8,7 @@
*/
#include <linux/clockchips.h>
#include <linux/interrupt.h>
+#include <linux/cpufreq.h>
#include <linux/percpu.h>
#include <linux/smp.h>
#include <linux/irq.h>
@@ -250,6 +251,49 @@ unsigned int __weak get_c0_compare_int(void)
return MIPS_CPU_IRQ_BASE + cp0_compare_irq;
}
+#ifdef CONFIG_CPU_FREQ
+
+static unsigned long mips_ref_freq;
+
+static int r4k_cpufreq_callback(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ struct cpufreq_freqs *freq = data;
+ struct clock_event_device *cd;
+ unsigned long rate;
+ int cpu;
+
+ if (!mips_ref_freq)
+ mips_ref_freq = freq->old;
+
+ if (val == CPUFREQ_POSTCHANGE) {
+ rate = cpufreq_scale(mips_hpt_frequency, mips_ref_freq,
+ freq->new);
+
+ for_each_cpu(cpu, freq->policy->cpus) {
+ cd = &per_cpu(mips_clockevent_device, cpu);
+
+ clockevents_update_freq(cd, rate);
+ }
+ }
+
+ return 0;
+}
+
+static struct notifier_block r4k_cpufreq_notifier = {
+ .notifier_call = r4k_cpufreq_callback,
+};
+
+static int __init r4k_register_cpufreq_notifier(void)
+{
+ return cpufreq_register_notifier(&r4k_cpufreq_notifier,
+ CPUFREQ_TRANSITION_NOTIFIER);
+
+}
+core_initcall(r4k_register_cpufreq_notifier);
+
+#endif /* !CONFIG_CPU_FREQ */
+
int r4k_clockevent_init(void)
{
unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
diff --git a/arch/mips/kernel/cps-vec-ns16550.S b/arch/mips/kernel/cps-vec-ns16550.S
index d5a67b4ce9f6..30725e1df987 100644
--- a/arch/mips/kernel/cps-vec-ns16550.S
+++ b/arch/mips/kernel/cps-vec-ns16550.S
@@ -14,16 +14,30 @@
#define UART_TX_OFS (UART_TX << CONFIG_MIPS_CPS_NS16550_SHIFT)
#define UART_LSR_OFS (UART_LSR << CONFIG_MIPS_CPS_NS16550_SHIFT)
+#if CONFIG_MIPS_CPS_NS16550_WIDTH == 1
+# define UART_L lb
+# define UART_S sb
+#elif CONFIG_MIPS_CPS_NS16550_WIDTH == 2
+# define UART_L lh
+# define UART_S sh
+#elif CONFIG_MIPS_CPS_NS16550_WIDTH == 4
+# define UART_L lw
+# define UART_S sw
+#else
+# define UART_L lb
+# define UART_S sb
+#endif
+
/**
* _mips_cps_putc() - write a character to the UART
* @a0: ASCII character to write
* @t9: UART base address
*/
LEAF(_mips_cps_putc)
-1: lw t0, UART_LSR_OFS(t9)
+1: UART_L t0, UART_LSR_OFS(t9)
andi t0, t0, UART_LSR_TEMT
beqz t0, 1b
- sb a0, UART_TX_OFS(t9)
+ UART_S a0, UART_TX_OFS(t9)
jr ra
END(_mips_cps_putc)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f21a2304401f..6b93162d7c5a 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -28,6 +28,8 @@
#include <asm/spram.h>
#include <linux/uaccess.h>
+#include <asm/mach-loongson64/cpucfg-emul.h>
+
/* Hardware capabilities */
unsigned int elf_hwcap __read_mostly;
EXPORT_SYMBOL_GPL(elf_hwcap);
@@ -92,6 +94,7 @@ static void cpu_set_fpu_2008(struct cpuinfo_mips *c)
{
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)) {
unsigned long sr, fir, fcsr, fcsr0, fcsr1;
@@ -172,6 +175,7 @@ static void cpu_set_nofpu_2008(struct cpuinfo_mips *c)
case STRICT:
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)) {
c->options |= MIPS_CPU_NAN_2008 | MIPS_CPU_NAN_LEGACY;
} else {
@@ -263,9 +267,11 @@ static void cpu_set_nofpu_id(struct cpuinfo_mips *c)
value = 0;
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6))
value |= MIPS_FPIR_D | MIPS_FPIR_S;
if (c->isa_level & (MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6))
value |= MIPS_FPIR_F64 | MIPS_FPIR_L | MIPS_FPIR_W;
if (c->options & MIPS_CPU_NAN_2008)
@@ -286,6 +292,7 @@ static void cpu_set_fpu_opts(struct cpuinfo_mips *c)
if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)) {
if (c->fpu_id & MIPS_FPIR_3D)
c->ases |= MIPS_ASE_MIPS3D;
@@ -532,22 +539,26 @@ static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
{
switch (isa) {
+ case MIPS_CPU_ISA_M64R5:
+ c->isa_level |= MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5;
+ set_elf_base_platform("mips64r5");
+ fallthrough;
case MIPS_CPU_ISA_M64R2:
c->isa_level |= MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2;
set_elf_base_platform("mips64r2");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_M64R1:
c->isa_level |= MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1;
set_elf_base_platform("mips64");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_V:
c->isa_level |= MIPS_CPU_ISA_V;
set_elf_base_platform("mips5");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_IV:
c->isa_level |= MIPS_CPU_ISA_IV;
set_elf_base_platform("mips4");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_III:
c->isa_level |= MIPS_CPU_ISA_II | MIPS_CPU_ISA_III;
set_elf_base_platform("mips3");
@@ -557,20 +568,24 @@ static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
case MIPS_CPU_ISA_M64R6:
c->isa_level |= MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6;
set_elf_base_platform("mips64r6");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_M32R6:
c->isa_level |= MIPS_CPU_ISA_M32R6;
set_elf_base_platform("mips32r6");
/* Break here so we don't add incompatible ISAs */
break;
+ case MIPS_CPU_ISA_M32R5:
+ c->isa_level |= MIPS_CPU_ISA_M32R5;
+ set_elf_base_platform("mips32r5");
+ fallthrough;
case MIPS_CPU_ISA_M32R2:
c->isa_level |= MIPS_CPU_ISA_M32R2;
set_elf_base_platform("mips32r2");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_M32R1:
c->isa_level |= MIPS_CPU_ISA_M32R1;
set_elf_base_platform("mips32");
- /* fall through */
+ fallthrough;
case MIPS_CPU_ISA_II:
c->isa_level |= MIPS_CPU_ISA_II;
set_elf_base_platform("mips2");
@@ -620,14 +635,14 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
config = read_c0_config6();
if (flags & FTLB_EN)
- config |= MIPS_CONF6_FTLBEN;
+ config |= MIPS_CONF6_MTI_FTLBEN;
else
- config &= ~MIPS_CONF6_FTLBEN;
+ config &= ~MIPS_CONF6_MTI_FTLBEN;
if (flags & FTLB_SET_PROB) {
- config &= ~(3 << MIPS_CONF6_FTLBP_SHIFT);
+ config &= ~(3 << MIPS_CONF6_MTI_FTLBP_SHIFT);
config |= calculate_ftlb_probability(c)
- << MIPS_CONF6_FTLBP_SHIFT;
+ << MIPS_CONF6_MTI_FTLBP_SHIFT;
}
write_c0_config6(config);
@@ -647,10 +662,10 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
config = read_c0_config6();
if (flags & FTLB_EN)
/* Enable FTLB */
- write_c0_config6(config & ~MIPS_CONF6_FTLBDIS);
+ write_c0_config6(config & ~MIPS_CONF6_LOONGSON_FTLBDIS);
else
/* Disable FTLB */
- write_c0_config6(config | MIPS_CONF6_FTLBDIS);
+ write_c0_config6(config | MIPS_CONF6_LOONGSON_FTLBDIS);
break;
default:
return 1;
@@ -659,6 +674,52 @@ static int set_ftlb_enable(struct cpuinfo_mips *c, enum ftlb_flags flags)
return 0;
}
+static int mm_config(struct cpuinfo_mips *c)
+{
+ unsigned int config0, update, mm;
+
+ config0 = read_c0_config();
+ mm = config0 & MIPS_CONF_MM;
+
+ /*
+ * It's implementation dependent what type of write-merge is supported
+ * and whether it can be enabled/disabled. If it is settable lets make
+ * the merging allowed by default. Some platforms might have
+ * write-through caching unsupported. In this case just ignore the
+ * CP0.Config.MM bit field value.
+ */
+ switch (c->cputype) {
+ case CPU_24K:
+ case CPU_34K:
+ case CPU_74K:
+ case CPU_P5600:
+ case CPU_P6600:
+ c->options |= MIPS_CPU_MM_FULL;
+ update = MIPS_CONF_MM_FULL;
+ break;
+ case CPU_1004K:
+ case CPU_1074K:
+ case CPU_INTERAPTIV:
+ case CPU_PROAPTIV:
+ mm = 0;
+ fallthrough;
+ default:
+ update = 0;
+ break;
+ }
+
+ if (update) {
+ config0 = (config0 & ~MIPS_CONF_MM) | update;
+ write_c0_config(config0);
+ } else if (mm == MIPS_CONF_MM_SYSAD) {
+ c->options |= MIPS_CPU_MM_SYSAD;
+ } else if (mm == MIPS_CONF_MM_FULL) {
+ c->options |= MIPS_CPU_MM_FULL;
+ }
+
+ return 0;
+}
+
static inline unsigned int decode_config0(struct cpuinfo_mips *c)
{
unsigned int config0;
@@ -850,7 +911,7 @@ static inline unsigned int decode_config4(struct cpuinfo_mips *c)
MIPS_CONF4_VTLBSIZEEXT_SHIFT) * 0x40;
c->tlbsize = c->tlbsizevtlb;
ftlb_page = MIPS_CONF4_VFTLBPAGESIZE;
- /* fall through */
+ fallthrough;
case MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT:
if (mips_ftlb_disabled)
break;
@@ -1750,13 +1811,19 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
spram_config();
+ mm_config(c);
+
switch (__get_cpu_type(c->cputype)) {
+ case CPU_M5150:
+ case CPU_P5600:
+ set_isa(c, MIPS_CPU_ISA_M32R5);
+ break;
case CPU_I6500:
c->options |= MIPS_CPU_SHARED_FTLB_ENTRIES;
- /* fall-through */
+ fallthrough;
case CPU_I6400:
c->options |= MIPS_CPU_SHARED_FTLB_RAM;
- /* fall-through */
+ fallthrough;
default:
break;
}
@@ -1932,10 +1999,53 @@ platform:
}
}
+#ifdef CONFIG_CPU_LOONGSON64
+#include <loongson_regs.h>
+
+static inline void decode_cpucfg(struct cpuinfo_mips *c)
+{
+ u32 cfg1 = read_cpucfg(LOONGSON_CFG1);
+ u32 cfg2 = read_cpucfg(LOONGSON_CFG2);
+ u32 cfg3 = read_cpucfg(LOONGSON_CFG3);
+
+ if (cfg1 & LOONGSON_CFG1_MMI)
+ c->ases |= MIPS_ASE_LOONGSON_MMI;
+
+ if (cfg2 & LOONGSON_CFG2_LEXT1)
+ c->ases |= MIPS_ASE_LOONGSON_EXT;
+
+ if (cfg2 & LOONGSON_CFG2_LEXT2)
+ c->ases |= MIPS_ASE_LOONGSON_EXT2;
+
+ if (cfg2 & LOONGSON_CFG2_LSPW)
+ c->options |= MIPS_CPU_LDPTE;
+
+ if (cfg3 & LOONGSON_CFG3_LCAMP)
+ c->ases |= MIPS_ASE_LOONGSON_CAM;
+}
+
static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
{
+ decode_configs(c);
+
switch (c->processor_id & PRID_IMP_MASK) {
- case PRID_IMP_LOONGSON_64C: /* Loongson-2/3 */
+ case PRID_IMP_LOONGSON_64R: /* Loongson-64 Reduced */
+ switch (c->processor_id & PRID_REV_MASK) {
+ case PRID_REV_LOONGSON2K_R1_0:
+ case PRID_REV_LOONGSON2K_R1_1:
+ case PRID_REV_LOONGSON2K_R1_2:
+ case PRID_REV_LOONGSON2K_R1_3:
+ c->cputype = CPU_LOONGSON64;
+ __cpu_name[cpu] = "Loongson-2K";
+ set_elf_platform(cpu, "gs264e");
+ set_isa(c, MIPS_CPU_ISA_M64R2);
+ break;
+ }
+ c->writecombine = _CACHE_UNCACHED_ACCELERATED;
+ c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_EXT |
+ MIPS_ASE_LOONGSON_EXT2);
+ break;
+ case PRID_IMP_LOONGSON_64C: /* Loongson-3 Classic */
switch (c->processor_id & PRID_REV_MASK) {
case PRID_REV_LOONGSON3A_R2_0:
case PRID_REV_LOONGSON3A_R2_1:
@@ -1952,8 +2062,14 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
set_isa(c, MIPS_CPU_ISA_M64R2);
break;
}
-
- decode_configs(c);
+ /*
+ * Loongson-3 Classic did not implement MIPS standard TLBINV
+ * but implemented TLBINVF and EHINV. As currently we're only
+ * using these two features, enable MIPS_CPU_TLBINV as well.
+ *
+ * Also some early Loongson-3A2000 had wrong TLB type in Config
+ * register, we correct it here.
+ */
c->options |= MIPS_CPU_FTLB | MIPS_CPU_TLBINV | MIPS_CPU_LDPTE;
c->writecombine = _CACHE_UNCACHED_ACCELERATED;
c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM |
@@ -1964,17 +2080,17 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu)
__cpu_name[cpu] = "ICT Loongson-3";
set_elf_platform(cpu, "loongson3a");
set_isa(c, MIPS_CPU_ISA_M64R2);
- decode_configs(c);
- c->options |= MIPS_CPU_FTLB | MIPS_CPU_TLBINV | MIPS_CPU_LDPTE;
+ decode_cpucfg(c);
c->writecombine = _CACHE_UNCACHED_ACCELERATED;
- c->ases |= (MIPS_ASE_LOONGSON_MMI | MIPS_ASE_LOONGSON_CAM |
- MIPS_ASE_LOONGSON_EXT | MIPS_ASE_LOONGSON_EXT2);
break;
default:
panic("Unknown Loongson Processor ID!");
break;
}
}
+#else
+static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) { }
+#endif
static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
{
@@ -2028,7 +2144,7 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
default:
break;
}
- /* fall-through */
+ fallthrough;
case PRID_IMP_XBURST_REV2:
c->cputype = CPU_XBURST;
c->writecombine = _CACHE_UNCACHED_ACCELERATED;
@@ -2286,6 +2402,13 @@ void cpu_probe(void)
cpu_probe_vmbits(c);
+ /* Synthesize CPUCFG data if running on Loongson processors;
+ * no-op otherwise.
+ *
+ * This looks at previously probed features, so keep this at bottom.
+ */
+ loongson3_cpucfg_synthesize_data(c);
+
#ifdef CONFIG_64BIT
if (cpu == 0)
__ua_limit = ~((1ull << cpu_vmbits) - 1);
diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c
index 437dda64fd7a..edc4afc080fa 100644
--- a/arch/mips/kernel/csrc-r4k.c
+++ b/arch/mips/kernel/csrc-r4k.c
@@ -6,6 +6,7 @@
* Copyright (C) 2007 by Ralf Baechle
*/
#include <linux/clocksource.h>
+#include <linux/cpufreq.h>
#include <linux/init.h>
#include <linux/sched_clock.h>
@@ -65,6 +66,45 @@ static bool rdhwr_count_usable(void)
return false;
}
+#ifdef CONFIG_CPU_FREQ
+
+static bool __read_mostly r4k_clock_unstable;
+
+static void r4k_clocksource_unstable(char *reason)
+{
+ if (r4k_clock_unstable)
+ return;
+
+ r4k_clock_unstable = true;
+
+ pr_info("R4K timer is unstable due to %s\n", reason);
+
+ clocksource_mark_unstable(&clocksource_mips);
+}
+
+static int r4k_cpufreq_callback(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ if (val == CPUFREQ_POSTCHANGE)
+ r4k_clocksource_unstable("CPU frequency change");
+
+ return 0;
+}
+
+static struct notifier_block r4k_cpufreq_notifier = {
+ .notifier_call = r4k_cpufreq_callback,
+};
+
+static int __init r4k_register_cpufreq_notifier(void)
+{
+ return cpufreq_register_notifier(&r4k_cpufreq_notifier,
+ CPUFREQ_TRANSITION_NOTIFIER);
+
+}
+core_initcall(r4k_register_cpufreq_notifier);
+
+#endif /* !CONFIG_CPU_FREQ */
+
int __init init_r4k_clocksource(void)
{
if (!cpu_has_counter || !mips_hpt_frequency)
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 4849a48afc0f..4b896f5023ff 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -169,8 +169,8 @@ syscall_exit_work:
jal syscall_trace_leave
b resume_userspace
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) || \
- defined(CONFIG_MIPS_MT)
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_MIPSR6) || defined(CONFIG_MIPS_MT)
/*
* MIPS32R2 Instruction Hazard Barrier - must be called
@@ -183,4 +183,4 @@ LEAF(mips_ihb)
nop
END(mips_ihb)
-#endif /* CONFIG_CPU_MIPSR2 or CONFIG_CPU_MIPSR6 or CONFIG_MIPS_MT */
+#endif /* CONFIG_CPU_MIPSR2 - CONFIG_CPU_MIPSR6 or CONFIG_MIPS_MT */
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index 0a43c9125267..a1b966f3578e 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -476,20 +476,20 @@ NESTED(nmi_handler, PT_SIZE, sp)
.endm
.macro __build_clear_fpe
+ CLI
+ TRACE_IRQS_OFF
.set push
/* gas fails to assemble cfc1 for some archs (octeon).*/ \
.set mips1
SET_HARDFLOAT
cfc1 a1, fcr31
.set pop
- CLI
- TRACE_IRQS_OFF
.endm
.macro __build_clear_msa_fpe
- _cfcmsa a1, MSA_CSR
CLI
TRACE_IRQS_OFF
+ _cfcmsa a1, MSA_CSR
.endm
.macro __build_clear_ade
@@ -501,17 +501,17 @@ NESTED(nmi_handler, PT_SIZE, sp)
.macro __BUILD_silent exception
.endm
- /* Gas tries to parse the PRINT argument as a string containing
+ /* Gas tries to parse the ASM_PRINT argument as a string containing
string escapes and emits bogus warnings if it believes to
recognize an unknown escape code. So make the arguments
start with an n and gas will believe \n is ok ... */
.macro __BUILD_verbose nexception
LONG_L a1, PT_EPC(sp)
#ifdef CONFIG_32BIT
- PRINT("Got \nexception at %08lx\012")
+ ASM_PRINT("Got \nexception at %08lx\012")
#endif
#ifdef CONFIG_64BIT
- PRINT("Got \nexception at %016lx\012")
+ ASM_PRINT("Got \nexception at %016lx\012")
#endif
.endm
diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S
index 351d40fe0859..3b02ffe46304 100644
--- a/arch/mips/kernel/head.S
+++ b/arch/mips/kernel/head.S
@@ -132,6 +132,9 @@ dtb_found:
#endif
MTC0 zero, CP0_CONTEXT # clear context register
+#ifdef CONFIG_64BIT
+ MTC0 zero, CP0_XCONTEXT
+#endif
PTR_LA $28, init_thread_union
/* Set the SP after an empty pt_regs. */
PTR_LI sp, _THREAD_SIZE - 32 - PT_SIZE
diff --git a/arch/mips/kernel/idle.c b/arch/mips/kernel/idle.c
index 37f8e78e2869..5bc3b04693c7 100644
--- a/arch/mips/kernel/idle.c
+++ b/arch/mips/kernel/idle.c
@@ -180,7 +180,8 @@ void __init check_wait(void)
break;
case CPU_LOONGSON64:
if ((c->processor_id & (PRID_IMP_MASK | PRID_REV_MASK)) >=
- (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0))
+ (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0) ||
+ (c->processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R)
cpu_wait = r4k_wait;
break;
@@ -201,7 +202,7 @@ void __init check_wait(void)
*/
if (IS_ENABLED(CONFIG_MIPS_EJTAG_FDC_TTY))
break;
- /* fall through */
+ fallthrough;
case CPU_M14KC:
case CPU_M14KEC:
case CPU_24K:
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c
index cdb93ed91cde..f60af512c877 100644
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -114,14 +114,56 @@ static char *cm2_core[8] = {
"Exclusive/OK", "Exclusive/Data"
};
+static char *cm2_l2_type[4] = {
+ [0x0] = "None",
+ [0x1] = "Tag RAM single/double ECC error",
+ [0x2] = "Data RAM single/double ECC error",
+ [0x3] = "WS RAM uncorrectable dirty parity"
+};
+
+static char *cm2_l2_instr[32] = {
+ [0x00] = "L2_NOP",
+ [0x01] = "L2_ERR_CORR",
+ [0x02] = "L2_TAG_INV",
+ [0x03] = "L2_WS_CLEAN",
+ [0x04] = "L2_RD_MDYFY_WR",
+ [0x05] = "L2_WS_MRU",
+ [0x06] = "L2_EVICT_LN2",
+ [0x07] = "0x07",
+ [0x08] = "L2_EVICT",
+ [0x09] = "L2_REFL",
+ [0x0a] = "L2_RD",
+ [0x0b] = "L2_WR",
+ [0x0c] = "L2_EVICT_MRU",
+ [0x0d] = "L2_SYNC",
+ [0x0e] = "L2_REFL_ERR",
+ [0x0f] = "0x0f",
+ [0x10] = "L2_INDX_WB_INV",
+ [0x11] = "L2_INDX_LD_TAG",
+ [0x12] = "L2_INDX_ST_TAG",
+ [0x13] = "L2_INDX_ST_DATA",
+ [0x14] = "L2_INDX_ST_ECC",
+ [0x15] = "0x15",
+ [0x16] = "0x16",
+ [0x17] = "0x17",
+ [0x18] = "L2_FTCH_AND_LCK",
+ [0x19] = "L2_HIT_INV",
+ [0x1a] = "L2_HIT_WB_INV",
+ [0x1b] = "L2_HIT_WB",
+ [0x1c] = "0x1c",
+ [0x1d] = "0x1d",
+ [0x1e] = "0x1e",
+ [0x1f] = "0x1f"
+};
+
static char *cm2_causes[32] = {
"None", "GC_WR_ERR", "GC_RD_ERR", "COH_WR_ERR",
"COH_RD_ERR", "MMIO_WR_ERR", "MMIO_RD_ERR", "0x07",
"0x08", "0x09", "0x0a", "0x0b",
"0x0c", "0x0d", "0x0e", "0x0f",
- "0x10", "0x11", "0x12", "0x13",
- "0x14", "0x15", "0x16", "INTVN_WR_ERR",
- "INTVN_RD_ERR", "0x19", "0x1a", "0x1b",
+ "0x10", "INTVN_WR_ERR", "INTVN_RD_ERR", "0x13",
+ "0x14", "0x15", "0x16", "0x17",
+ "L2_RD_UNCORR", "L2_WR_UNCORR", "L2_CORR", "0x1b",
"0x1c", "0x1d", "0x1e", "0x1f"
};
@@ -360,7 +402,7 @@ void mips_cm_error_report(void)
"CCA=%lu TR=%s MCmd=%s STag=%lu "
"SPort=%lu\n", cca_bits, cm2_tr[tr_bits],
cm2_cmd[cmd_bits], stag_bits, sport_bits);
- } else {
+ } else if (cause < 24) {
/* glob state & sresp together */
unsigned long c3_bits = (cm_error >> 18) & 7;
unsigned long c2_bits = (cm_error >> 15) & 7;
@@ -377,6 +419,22 @@ void mips_cm_error_report(void)
cm2_core[c1_bits], cm2_core[c0_bits],
sc_bit ? "True" : "False",
cm2_cmd[cmd_bits], sport_bits);
+ } else {
+ unsigned long muc_bit = (cm_error >> 23) & 1;
+ unsigned long ins_bits = (cm_error >> 18) & 0x1f;
+ unsigned long arr_bits = (cm_error >> 16) & 3;
+ unsigned long dw_bits = (cm_error >> 12) & 15;
+ unsigned long way_bits = (cm_error >> 9) & 7;
+ unsigned long mway_bit = (cm_error >> 8) & 1;
+ unsigned long syn_bits = (cm_error >> 0) & 0xFF;
+
+ snprintf(buf, sizeof(buf),
+ "Type=%s%s Instr=%s DW=%lu Way=%lu "
+ "MWay=%s Syndrome=0x%02lx",
+ muc_bit ? "Multi-UC " : "",
+ cm2_l2_type[arr_bits],
+ cm2_l2_instr[ins_bits], dw_bits, way_bits,
+ mway_bit ? "True" : "False", syn_bits);
}
pr_err("CM_ERROR=%08llx %s <%s>\n", cm_error,
cm2_causes[cause], buf);
diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index b4d210bfcdae..a39ec755e4c2 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -1109,7 +1109,7 @@ repeat:
err = SIGILL;
break;
}
- /* fall through */
+ fallthrough;
case beql_op:
case bnel_op:
if (delay_slot(regs)) {
diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c
index 128fc9999c56..efce5defcc5c 100644
--- a/arch/mips/kernel/perf_event_mipsxx.c
+++ b/arch/mips/kernel/perf_event_mipsxx.c
@@ -90,6 +90,7 @@ struct mips_pmu {
unsigned int num_counters;
};
+static int counter_bits;
static struct mips_pmu mipspmu;
#define M_PERFCTL_EVENT(event) (((event) << MIPS_PERFCTRL_EVENT_S) & \
@@ -118,6 +119,7 @@ static struct mips_pmu mipspmu;
#define M_PERFCTL_CONFIG_MASK 0x1f
#endif
+#define CNTR_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
#ifdef CONFIG_MIPS_PERF_SHARED_TC_COUNTERS
static DEFINE_RWLOCK(pmuint_rwlock);
@@ -154,6 +156,31 @@ static void pause_local_counters(void);
static irqreturn_t mipsxx_pmu_handle_irq(int, void *);
static int mipsxx_pmu_handle_shared_irq(void);
+/* 0: Not Loongson-3
+ * 1: Loongson-3A1000/3B1000/3B1500
+ * 2: Loongson-3A2000/3A3000
+ * 3: Loongson-3A4000+
+ */
+
+#define LOONGSON_PMU_TYPE0 0
+#define LOONGSON_PMU_TYPE1 1
+#define LOONGSON_PMU_TYPE2 2
+#define LOONGSON_PMU_TYPE3 3
+
+static inline int get_loongson3_pmu_type(void)
+{
+ if (boot_cpu_type() != CPU_LOONGSON64)
+ return LOONGSON_PMU_TYPE0;
+ if ((boot_cpu_data.processor_id & PRID_COMP_MASK) == PRID_COMP_LEGACY)
+ return LOONGSON_PMU_TYPE1;
+ if ((boot_cpu_data.processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64C)
+ return LOONGSON_PMU_TYPE2;
+ if ((boot_cpu_data.processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64G)
+ return LOONGSON_PMU_TYPE3;
+
+ return LOONGSON_PMU_TYPE0;
+}
+
static unsigned int mipsxx_pmu_swizzle_perf_idx(unsigned int idx)
{
if (vpe_id() == 1)
@@ -186,17 +213,18 @@ static u64 mipsxx_pmu_read_counter(unsigned int idx)
static u64 mipsxx_pmu_read_counter_64(unsigned int idx)
{
+ u64 mask = CNTR_BIT_MASK(counter_bits);
idx = mipsxx_pmu_swizzle_perf_idx(idx);
switch (idx) {
case 0:
- return read_c0_perfcntr0_64();
+ return read_c0_perfcntr0_64() & mask;
case 1:
- return read_c0_perfcntr1_64();
+ return read_c0_perfcntr1_64() & mask;
case 2:
- return read_c0_perfcntr2_64();
+ return read_c0_perfcntr2_64() & mask;
case 3:
- return read_c0_perfcntr3_64();
+ return read_c0_perfcntr3_64() & mask;
default:
WARN_ONCE(1, "Invalid performance counter number (%d)\n", idx);
return 0;
@@ -225,6 +253,7 @@ static void mipsxx_pmu_write_counter(unsigned int idx, u64 val)
static void mipsxx_pmu_write_counter_64(unsigned int idx, u64 val)
{
+ val &= CNTR_BIT_MASK(counter_bits);
idx = mipsxx_pmu_swizzle_perf_idx(idx);
switch (idx) {
@@ -286,12 +315,16 @@ static int mipsxx_pmu_alloc_counter(struct cpu_hw_events *cpuc,
struct hw_perf_event *hwc)
{
int i;
+ unsigned long cntr_mask;
/*
* We only need to care the counter mask. The range has been
* checked definitely.
*/
- unsigned long cntr_mask = (hwc->event_base >> 8) & 0xffff;
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2)
+ cntr_mask = (hwc->event_base >> 10) & 0xffff;
+ else
+ cntr_mask = (hwc->event_base >> 8) & 0xffff;
for (i = mipspmu.num_counters - 1; i >= 0; i--) {
/*
@@ -320,10 +353,16 @@ static void mipsxx_pmu_enable_event(struct hw_perf_event *evt, int idx)
WARN_ON(idx < 0 || idx >= mipspmu.num_counters);
- cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0xff) |
- (evt->config_base & M_PERFCTL_CONFIG_MASK) |
- /* Make sure interrupt enabled. */
- MIPS_PERFCTRL_IE;
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2)
+ cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0x3ff) |
+ (evt->config_base & M_PERFCTL_CONFIG_MASK) |
+ /* Make sure interrupt enabled. */
+ MIPS_PERFCTRL_IE;
+ else
+ cpuc->saved_ctrl[idx] = M_PERFCTL_EVENT(evt->event_base & 0xff) |
+ (evt->config_base & M_PERFCTL_CONFIG_MASK) |
+ /* Make sure interrupt enabled. */
+ MIPS_PERFCTRL_IE;
if (IS_ENABLED(CONFIG_CPU_BMIPS5000)) {
/* enable the counter for the calling thread */
@@ -396,6 +435,10 @@ static int mipspmu_event_set_period(struct perf_event *event,
local64_set(&hwc->prev_count, mipspmu.overflow - left);
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2)
+ mipsxx_pmu_write_control(idx,
+ M_PERFCTL_EVENT(hwc->event_base & 0x3ff));
+
mipspmu.write_counter(idx, mipspmu.overflow - left);
perf_event_update_userpage(event);
@@ -667,8 +710,14 @@ static unsigned int mipspmu_perf_event_encode(const struct mips_perf_event *pev)
(pev->event_id & 0xff);
else
#endif /* CONFIG_MIPS_MT_SMP */
- return ((pev->cntr_mask & 0xffff00) |
- (pev->event_id & 0xff));
+ {
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2)
+ return (pev->cntr_mask & 0xfffc00) |
+ (pev->event_id & 0x3ff);
+ else
+ return (pev->cntr_mask & 0xffff00) |
+ (pev->event_id & 0xff);
+ }
}
static const struct mips_perf_event *mipspmu_map_general_event(int idx)
@@ -783,26 +832,104 @@ static int n_counters(void)
return counters;
}
+static void loongson3_reset_counters(void *arg)
+{
+ int counters = (int)(long)arg;
+
+ switch (counters) {
+ case 4:
+ mipsxx_pmu_write_control(3, 0);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 127<<5);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 191<<5);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 255<<5);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 319<<5);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 383<<5);
+ mipspmu.write_counter(3, 0);
+ mipsxx_pmu_write_control(3, 575<<5);
+ mipspmu.write_counter(3, 0);
+ fallthrough;
+ case 3:
+ mipsxx_pmu_write_control(2, 0);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 127<<5);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 191<<5);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 255<<5);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 319<<5);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 383<<5);
+ mipspmu.write_counter(2, 0);
+ mipsxx_pmu_write_control(2, 575<<5);
+ mipspmu.write_counter(2, 0);
+ fallthrough;
+ case 2:
+ mipsxx_pmu_write_control(1, 0);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 127<<5);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 191<<5);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 255<<5);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 319<<5);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 383<<5);
+ mipspmu.write_counter(1, 0);
+ mipsxx_pmu_write_control(1, 575<<5);
+ mipspmu.write_counter(1, 0);
+ fallthrough;
+ case 1:
+ mipsxx_pmu_write_control(0, 0);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 127<<5);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 191<<5);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 255<<5);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 319<<5);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 383<<5);
+ mipspmu.write_counter(0, 0);
+ mipsxx_pmu_write_control(0, 575<<5);
+ mipspmu.write_counter(0, 0);
+ break;
+ }
+}
+
static void reset_counters(void *arg)
{
int counters = (int)(long)arg;
+
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2) {
+ loongson3_reset_counters(arg);
+ return;
+ }
+
switch (counters) {
case 4:
mipsxx_pmu_write_control(3, 0);
mipspmu.write_counter(3, 0);
- /* fall through */
+ fallthrough;
case 3:
mipsxx_pmu_write_control(2, 0);
mipspmu.write_counter(2, 0);
- /* fall through */
+ fallthrough;
case 2:
mipsxx_pmu_write_control(1, 0);
mipspmu.write_counter(1, 0);
- /* fall through */
+ fallthrough;
case 1:
mipsxx_pmu_write_control(0, 0);
mipspmu.write_counter(0, 0);
- /* fall through */
+ break;
}
}
@@ -834,13 +961,30 @@ static const struct mips_perf_event i6x00_event_map[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x16, CNTR_EVEN | CNTR_ODD },
};
-static const struct mips_perf_event loongson3_event_map[PERF_COUNT_HW_MAX] = {
+static const struct mips_perf_event loongson3_event_map1[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = { 0x00, CNTR_EVEN },
[PERF_COUNT_HW_INSTRUCTIONS] = { 0x00, CNTR_ODD },
[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x01, CNTR_EVEN },
[PERF_COUNT_HW_BRANCH_MISSES] = { 0x01, CNTR_ODD },
};
+static const struct mips_perf_event loongson3_event_map2[PERF_COUNT_HW_MAX] = {
+ [PERF_COUNT_HW_CPU_CYCLES] = { 0x80, CNTR_ALL },
+ [PERF_COUNT_HW_INSTRUCTIONS] = { 0x81, CNTR_ALL },
+ [PERF_COUNT_HW_CACHE_MISSES] = { 0x18, CNTR_ALL },
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x94, CNTR_ALL },
+ [PERF_COUNT_HW_BRANCH_MISSES] = { 0x9c, CNTR_ALL },
+};
+
+static const struct mips_perf_event loongson3_event_map3[PERF_COUNT_HW_MAX] = {
+ [PERF_COUNT_HW_CPU_CYCLES] = { 0x00, CNTR_ALL },
+ [PERF_COUNT_HW_INSTRUCTIONS] = { 0x01, CNTR_ALL },
+ [PERF_COUNT_HW_CACHE_REFERENCES] = { 0x1c, CNTR_ALL },
+ [PERF_COUNT_HW_CACHE_MISSES] = { 0x1d, CNTR_ALL },
+ [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { 0x02, CNTR_ALL },
+ [PERF_COUNT_HW_BRANCH_MISSES] = { 0x08, CNTR_ALL },
+};
+
static const struct mips_perf_event octeon_event_map[PERF_COUNT_HW_MAX] = {
[PERF_COUNT_HW_CPU_CYCLES] = { 0x01, CNTR_ALL },
[PERF_COUNT_HW_INSTRUCTIONS] = { 0x03, CNTR_ALL },
@@ -1064,7 +1208,7 @@ static const struct mips_perf_event i6x00_cache_map
},
};
-static const struct mips_perf_event loongson3_cache_map
+static const struct mips_perf_event loongson3_cache_map1
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX] = {
@@ -1109,12 +1253,127 @@ static const struct mips_perf_event loongson3_cache_map
[C(BPU)] = {
/* Using the same code for *HW_BRANCH* */
[C(OP_READ)] = {
- [C(RESULT_ACCESS)] = { 0x02, CNTR_EVEN },
- [C(RESULT_MISS)] = { 0x02, CNTR_ODD },
+ [C(RESULT_ACCESS)] = { 0x01, CNTR_EVEN },
+ [C(RESULT_MISS)] = { 0x01, CNTR_ODD },
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = { 0x01, CNTR_EVEN },
+ [C(RESULT_MISS)] = { 0x01, CNTR_ODD },
+ },
+},
+};
+
+static const struct mips_perf_event loongson3_cache_map2
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+ /*
+ * Like some other architectures (e.g. ARM), the performance
+ * counters don't differentiate between read and write
+ * accesses/misses, so this isn't strictly correct, but it's the
+ * best we can do. Writes and reads get combined.
+ */
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x156, CNTR_ALL },
},
[C(OP_WRITE)] = {
- [C(RESULT_ACCESS)] = { 0x02, CNTR_EVEN },
- [C(RESULT_MISS)] = { 0x02, CNTR_ODD },
+ [C(RESULT_ACCESS)] = { 0x155, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x153, CNTR_ALL },
+ },
+},
+[C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x18, CNTR_ALL },
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_MISS)] = { 0x18, CNTR_ALL },
+ },
+},
+[C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x1b6, CNTR_ALL },
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = { 0x1b7, CNTR_ALL },
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = { 0x1bf, CNTR_ALL },
+ },
+},
+[C(DTLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x92, CNTR_ALL },
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_MISS)] = { 0x92, CNTR_ALL },
+ },
+},
+[C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x1a, CNTR_ALL },
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_MISS)] = { 0x1a, CNTR_ALL },
+ },
+},
+[C(BPU)] = {
+ /* Using the same code for *HW_BRANCH* */
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x94, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x9c, CNTR_ALL },
+ },
+},
+};
+
+static const struct mips_perf_event loongson3_cache_map3
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+ /*
+ * Like some other architectures (e.g. ARM), the performance
+ * counters don't differentiate between read and write
+ * accesses/misses, so this isn't strictly correct, but it's the
+ * best we can do. Writes and reads get combined.
+ */
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x1e, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x1f, CNTR_ALL },
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = { 0xaa, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0xa9, CNTR_ALL },
+ },
+},
+[C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x1c, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x1d, CNTR_ALL },
+ },
+},
+[C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x2e, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x2f, CNTR_ALL },
+ },
+},
+[C(DTLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x14, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x1b, CNTR_ALL },
+ },
+},
+[C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_MISS)] = { 0x1a, CNTR_ALL },
+ },
+},
+[C(BPU)] = {
+ /* Using the same code for *HW_BRANCH* */
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = { 0x02, CNTR_ALL },
+ [C(RESULT_MISS)] = { 0x08, CNTR_ALL },
},
},
};
@@ -1178,7 +1437,6 @@ static const struct mips_perf_event bmips5000_cache_map
},
};
-
static const struct mips_perf_event octeon_cache_map
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
@@ -1512,6 +1770,7 @@ static irqreturn_t mipsxx_pmu_handle_irq(int irq, void *dev)
static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
{
/* currently most cores have 7-bit event numbers */
+ int pmu_type;
unsigned int raw_id = config & 0xff;
unsigned int base_id = raw_id & 0x7f;
@@ -1624,8 +1883,33 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config)
raw_id > 127 ? CNTR_ODD : CNTR_EVEN;
break;
case CPU_LOONGSON64:
- raw_event.cntr_mask = raw_id > 127 ? CNTR_ODD : CNTR_EVEN;
- break;
+ pmu_type = get_loongson3_pmu_type();
+
+ switch (pmu_type) {
+ case LOONGSON_PMU_TYPE1:
+ raw_event.cntr_mask =
+ raw_id > 127 ? CNTR_ODD : CNTR_EVEN;
+ break;
+ case LOONGSON_PMU_TYPE2:
+ base_id = config & 0x3ff;
+ raw_event.cntr_mask = CNTR_ALL;
+
+ if ((base_id >= 1 && base_id < 28) ||
+ (base_id >= 64 && base_id < 90) ||
+ (base_id >= 128 && base_id < 164) ||
+ (base_id >= 192 && base_id < 200) ||
+ (base_id >= 256 && base_id < 274) ||
+ (base_id >= 320 && base_id < 358) ||
+ (base_id >= 384 && base_id < 574))
+ break;
+
+ return ERR_PTR(-EOPNOTSUPP);
+ case LOONGSON_PMU_TYPE3:
+ base_id = raw_id;
+ raw_event.cntr_mask = CNTR_ALL;
+ break;
+ }
+ break;
}
raw_event.event_id = base_id;
@@ -1683,8 +1967,7 @@ static const struct mips_perf_event *xlp_pmu_map_raw_event(u64 config)
static int __init
init_hw_perf_events(void)
{
- int counters, irq;
- int counter_bits;
+ int counters, irq, pmu_type;
pr_info("Performance counters: ");
@@ -1771,8 +2054,25 @@ init_hw_perf_events(void)
break;
case CPU_LOONGSON64:
mipspmu.name = "mips/loongson3";
- mipspmu.general_event_map = &loongson3_event_map;
- mipspmu.cache_event_map = &loongson3_cache_map;
+ pmu_type = get_loongson3_pmu_type();
+
+ switch (pmu_type) {
+ case LOONGSON_PMU_TYPE1:
+ counters = 2;
+ mipspmu.general_event_map = &loongson3_event_map1;
+ mipspmu.cache_event_map = &loongson3_cache_map1;
+ break;
+ case LOONGSON_PMU_TYPE2:
+ counters = 4;
+ mipspmu.general_event_map = &loongson3_event_map2;
+ mipspmu.cache_event_map = &loongson3_cache_map2;
+ break;
+ case LOONGSON_PMU_TYPE3:
+ counters = 4;
+ mipspmu.general_event_map = &loongson3_event_map3;
+ mipspmu.cache_event_map = &loongson3_cache_map3;
+ break;
+ }
break;
case CPU_CAVIUM_OCTEON:
case CPU_CAVIUM_OCTEON_PLUS:
@@ -1803,19 +2103,26 @@ init_hw_perf_events(void)
mipspmu.irq = irq;
if (read_c0_perfctrl0() & MIPS_PERFCTRL_W) {
- mipspmu.max_period = (1ULL << 63) - 1;
- mipspmu.valid_count = (1ULL << 63) - 1;
- mipspmu.overflow = 1ULL << 63;
+ if (get_loongson3_pmu_type() == LOONGSON_PMU_TYPE2) {
+ counter_bits = 48;
+ mipspmu.max_period = (1ULL << 47) - 1;
+ mipspmu.valid_count = (1ULL << 47) - 1;
+ mipspmu.overflow = 1ULL << 47;
+ } else {
+ counter_bits = 64;
+ mipspmu.max_period = (1ULL << 63) - 1;
+ mipspmu.valid_count = (1ULL << 63) - 1;
+ mipspmu.overflow = 1ULL << 63;
+ }
mipspmu.read_counter = mipsxx_pmu_read_counter_64;
mipspmu.write_counter = mipsxx_pmu_write_counter_64;
- counter_bits = 64;
} else {
+ counter_bits = 32;
mipspmu.max_period = (1ULL << 31) - 1;
mipspmu.valid_count = (1ULL << 31) - 1;
mipspmu.overflow = 1ULL << 31;
mipspmu.read_counter = mipsxx_pmu_read_counter;
mipspmu.write_counter = mipsxx_pmu_write_counter;
- counter_bits = 32;
}
on_each_cpu(reset_counters, (void *)(long)counters, 1);
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index f8d36710cd58..4184d641f05e 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -98,12 +98,16 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "%s", " mips32r1");
if (cpu_has_mips32r2)
seq_printf(m, "%s", " mips32r2");
+ if (cpu_has_mips32r5)
+ seq_printf(m, "%s", " mips32r5");
if (cpu_has_mips32r6)
seq_printf(m, "%s", " mips32r6");
if (cpu_has_mips64r1)
seq_printf(m, "%s", " mips64r1");
if (cpu_has_mips64r2)
seq_printf(m, "%s", " mips64r2");
+ if (cpu_has_mips64r5)
+ seq_printf(m, "%s", " mips64r5");
if (cpu_has_mips64r6)
seq_printf(m, "%s", " mips64r6");
seq_printf(m, "\n");
diff --git a/arch/mips/kernel/r4k_fpu.S b/arch/mips/kernel/r4k_fpu.S
index 59be5c812aa2..b91e91106475 100644
--- a/arch/mips/kernel/r4k_fpu.S
+++ b/arch/mips/kernel/r4k_fpu.S
@@ -41,7 +41,7 @@
LEAF(_save_fp)
EXPORT_SYMBOL(_save_fp)
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
mfc0 t0, CP0_STATUS
#endif
fpu_save_double a0 t0 t1 # clobbers t1
@@ -53,7 +53,7 @@ EXPORT_SYMBOL(_save_fp)
*/
LEAF(_restore_fp)
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
mfc0 t0, CP0_STATUS
#endif
fpu_restore_double a0 t0 t1 # clobbers t1
@@ -103,10 +103,10 @@ LEAF(_save_fp_context)
.set pop
#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
.set push
SET_HARDFLOAT
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5)
.set mips32r2
.set fp=64
mfc0 t0, CP0_STATUS
@@ -170,11 +170,11 @@ LEAF(_save_fp_context)
LEAF(_restore_fp_context)
EX lw t1, 0(a1)
-#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
- defined(CONFIG_CPU_MIPSR6)
+#if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPSR2) || \
+ defined(CONFIG_CPU_MIPSR5) || defined(CONFIG_CPU_MIPSR6)
.set push
SET_HARDFLOAT
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5)
.set mips32r2
.set fp=64
mfc0 t0, CP0_STATUS
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 41df8221bb8f..50c9a57e0d3a 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -41,7 +41,7 @@ NESTED(handle_sys, PT_SIZE, sp)
#if 0
SAVE_ALL
move a1, v0
- PRINT("Scall %ld\n")
+ ASM_PRINT("Scall %ld\n")
RESTORE_ALL
#endif
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 10bef8f78e7c..7b537fa2035d 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -575,7 +575,7 @@ static int __init bootcmdline_scan_chosen(unsigned long node, const char *uname,
#endif /* CONFIG_OF_EARLY_FLATTREE */
-static void __init bootcmdline_init(char **cmdline_p)
+static void __init bootcmdline_init(void)
{
bool dt_bootargs = false;
@@ -654,13 +654,11 @@ static void __init bootcmdline_init(char **cmdline_p)
*/
static void __init arch_mem_init(char **cmdline_p)
{
- extern void plat_mem_setup(void);
-
/* call board setup routine */
plat_mem_setup();
memblock_set_bottom_up(true);
- bootcmdline_init(cmdline_p);
+ bootcmdline_init();
strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
*cmdline_p = command_line;
@@ -702,7 +700,17 @@ static void __init arch_mem_init(char **cmdline_p)
memblock_reserve(crashk_res.start, resource_size(&crashk_res));
#endif
device_tree_init();
+
+ /*
+ * In order to reduce the possibility of kernel panic when failed to
+ * get IO TLB memory under CONFIG_SWIOTLB, it is better to allocate
+ * low memory as small as possible before plat_swiotlb_setup(), so
+ * make sparse_init() using top-down allocation.
+ */
+ memblock_set_bottom_up(false);
sparse_init();
+ memblock_set_bottom_up(true);
+
plat_swiotlb_setup();
dma_contiguous_reserve(PFN_PHYS(max_low_pfn));
@@ -831,7 +839,7 @@ arch_initcall(debugfs_mips);
/* User defined DMA coherency from command line. */
enum coherent_io_user_state coherentio = IO_COHERENCE_DEFAULT;
EXPORT_SYMBOL_GPL(coherentio);
-int hw_coherentio = 0; /* Actual hardware supported DMA coherency setting. */
+int hw_coherentio; /* Actual hardware supported DMA coherency setting. */
static int __init setcoherentio(char *str)
{
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index f6efabcb4e92..a0262729cd4c 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -52,7 +52,7 @@ struct sigframe {
/* Matches struct ucontext from its uc_mcontext field onwards */
struct sigcontext sf_sc;
sigset_t sf_mask;
- unsigned long long sf_extcontext[0];
+ unsigned long long sf_extcontext[];
};
struct rt_sigframe {
@@ -824,7 +824,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
regs->regs[2] = EINTR;
break;
}
- /* fallthrough */
+ fallthrough;
case ERESTARTNOINTR:
regs->regs[7] = regs->regs[26];
regs->regs[2] = regs->regs[0];
diff --git a/arch/mips/kernel/spram.c b/arch/mips/kernel/spram.c
index 26d355462ace..d5d96214cce5 100644
--- a/arch/mips/kernel/spram.c
+++ b/arch/mips/kernel/spram.c
@@ -209,11 +209,11 @@ void spram_config(void)
case CPU_P6600:
config0 = read_c0_config();
/* FIXME: addresses are Malta specific */
- if (config0 & (1<<24)) {
+ if (config0 & MIPS_CONF_ISP) {
probe_spram("ISPRAM", 0x1c000000,
&ispram_load_tag, &ispram_store_tag);
}
- if (config0 & (1<<23))
+ if (config0 & MIPS_CONF_DSP)
probe_spram("DSPRAM", 0x1c100000,
&dspram_load_tag, &dspram_store_tag);
}
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 1f9e8ad636cc..f777141f5256 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -376,3 +376,4 @@
435 n32 clone3 __sys_clone3
437 n32 openat2 sys_openat2
438 n32 pidfd_getfd sys_pidfd_getfd
+439 n32 faccessat2 sys_faccessat2
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index c0b9d802dbf6..da8c76394e17 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -352,3 +352,4 @@
435 n64 clone3 __sys_clone3
437 n64 openat2 sys_openat2
438 n64 pidfd_getfd sys_pidfd_getfd
+439 n64 faccessat2 sys_faccessat2
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index ac586774c980..13280625d312 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -425,3 +425,4 @@
435 o32 clone3 __sys_clone3
437 o32 openat2 sys_openat2
438 o32 pidfd_getfd sys_pidfd_getfd
+439 o32 faccessat2 sys_faccessat2
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index 37e9413a393d..caa01457dce6 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -18,12 +18,82 @@
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/export.h>
+#include <linux/cpufreq.h>
+#include <linux/delay.h>
#include <asm/cpu-features.h>
#include <asm/cpu-type.h>
#include <asm/div64.h>
#include <asm/time.h>
+#ifdef CONFIG_CPU_FREQ
+
+static DEFINE_PER_CPU(unsigned long, pcp_lpj_ref);
+static DEFINE_PER_CPU(unsigned long, pcp_lpj_ref_freq);
+static unsigned long glb_lpj_ref;
+static unsigned long glb_lpj_ref_freq;
+
+static int cpufreq_callback(struct notifier_block *nb,
+ unsigned long val, void *data)
+{
+ struct cpufreq_freqs *freq = data;
+ struct cpumask *cpus = freq->policy->cpus;
+ unsigned long lpj;
+ int cpu;
+
+ /*
+ * Skip lpj numbers adjustment if the CPU-freq transition is safe for
+ * the loops delay. (Is this possible?)
+ */
+ if (freq->flags & CPUFREQ_CONST_LOOPS)
+ return NOTIFY_OK;
+
+ /* Save the initial values of the lpjes for future scaling. */
+ if (!glb_lpj_ref) {
+ glb_lpj_ref = boot_cpu_data.udelay_val;
+ glb_lpj_ref_freq = freq->old;
+
+ for_each_online_cpu(cpu) {
+ per_cpu(pcp_lpj_ref, cpu) =
+ cpu_data[cpu].udelay_val;
+ per_cpu(pcp_lpj_ref_freq, cpu) = freq->old;
+ }
+ }
+
+ /*
+ * Adjust global lpj variable and per-CPU udelay_val number in
+ * accordance with the new CPU frequency.
+ */
+ if ((val == CPUFREQ_PRECHANGE && freq->old < freq->new) ||
+ (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) {
+ loops_per_jiffy = cpufreq_scale(glb_lpj_ref,
+ glb_lpj_ref_freq,
+ freq->new);
+
+ for_each_cpu(cpu, cpus) {
+ lpj = cpufreq_scale(per_cpu(pcp_lpj_ref, cpu),
+ per_cpu(pcp_lpj_ref_freq, cpu),
+ freq->new);
+ cpu_data[cpu].udelay_val = (unsigned int)lpj;
+ }
+ }
+
+ return NOTIFY_OK;
+}
+
+static struct notifier_block cpufreq_notifier = {
+ .notifier_call = cpufreq_callback,
+};
+
+static int __init register_cpufreq_notifier(void)
+{
+ return cpufreq_register_notifier(&cpufreq_notifier,
+ CPUFREQ_TRANSITION_NOTIFIER);
+}
+core_initcall(register_cpufreq_notifier);
+
+#endif /* CONFIG_CPU_FREQ */
+
/*
* forward reference
*/
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 31968cbd6464..22f805a73921 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -71,6 +71,8 @@
#include <asm/tlbex.h>
#include <asm/uasm.h>
+#include <asm/mach-loongson64/cpucfg-emul.h>
+
extern void check_wait(void);
extern asmlinkage void rollback_handle_int(void);
extern asmlinkage void handle_int(void);
@@ -693,6 +695,48 @@ static int simulate_sync(struct pt_regs *regs, unsigned int opcode)
return -1; /* Must be something else ... */
}
+/*
+ * Loongson-3 CSR instructions emulation
+ */
+
+#ifdef CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION
+
+#define LWC2 0xc8000000
+#define RS BASE
+#define CSR_OPCODE2 0x00000118
+#define CSR_OPCODE2_MASK 0x000007ff
+#define CSR_FUNC_MASK RT
+#define CSR_FUNC_CPUCFG 0x8
+
+static int simulate_loongson3_cpucfg(struct pt_regs *regs,
+ unsigned int opcode)
+{
+ int op = opcode & OPCODE;
+ int op2 = opcode & CSR_OPCODE2_MASK;
+ int csr_func = (opcode & CSR_FUNC_MASK) >> 16;
+
+ if (op == LWC2 && op2 == CSR_OPCODE2 && csr_func == CSR_FUNC_CPUCFG) {
+ int rd = (opcode & RD) >> 11;
+ int rs = (opcode & RS) >> 21;
+ __u64 sel = regs->regs[rs];
+
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0);
+
+ /* Do not emulate on unsupported core models. */
+ if (!loongson3_cpucfg_emulation_enabled(&current_cpu_data))
+ return -1;
+
+ regs->regs[rd] = loongson3_cpucfg_read_synthesized(
+ &current_cpu_data, sel);
+
+ return 0;
+ }
+
+ /* Not ours. */
+ return -1;
+}
+#endif /* CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION */
+
asmlinkage void do_ov(struct pt_regs *regs)
{
enum ctx_state prev_state;
@@ -1166,6 +1210,11 @@ no_r2_instr:
if (status < 0)
status = simulate_fp(regs, opcode, old_epc, old31);
+
+#ifdef CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION
+ if (status < 0)
+ status = simulate_loongson3_cpucfg(regs, opcode);
+#endif
} else if (cpu_has_mmips) {
unsigned short mmop[2] = { 0 };
@@ -1401,8 +1450,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)
force_sig(SIGILL);
break;
}
- /* Fall through. */
-
+ fallthrough;
case 1: {
void __user *fault_addr;
unsigned long fcr31;
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index ca6fc4762d97..0adce604fa44 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -89,12 +89,10 @@
#include <asm/fpu.h>
#include <asm/fpu_emulator.h>
#include <asm/inst.h>
+#include <asm/unaligned-emul.h>
#include <asm/mmu_context.h>
#include <linux/uaccess.h>
-#define STR(x) __STR(x)
-#define __STR(x) #x
-
enum {
UNALIGNED_ACTION_QUIET,
UNALIGNED_ACTION_SIGNAL,
@@ -108,778 +106,6 @@ static u32 unaligned_action;
#endif
extern void show_registers(struct pt_regs *regs);
-#ifdef __BIG_ENDIAN
-#define _LoadHW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ (".set\tnoat\n" \
- "1:\t"type##_lb("%0", "0(%2)")"\n" \
- "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- "3:\t.set\tat\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _LoadW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_lwl("%0", "(%2)")"\n" \
- "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-/* For CPUs without lwl instruction */
-#define _LoadW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n" \
- ".set\tnoat\n\t" \
- "1:"type##_lb("%0", "0(%2)")"\n\t" \
- "2:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:"type##_lbu("$1", "3(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-
-#define _LoadHWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
- "1:\t"type##_lbu("%0", "0(%2)")"\n" \
- "2:\t"type##_lbu("$1", "1(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".set\tat\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _LoadWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_lwl("%0", "(%2)")"\n" \
- "2:\t"type##_lwr("%0", "3(%2)")"\n\t"\
- "dsll\t%0, %0, 32\n\t" \
- "dsrl\t%0, %0, 32\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- "\t.section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _LoadDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- "1:\tldl\t%0, (%2)\n" \
- "2:\tldr\t%0, 7(%2)\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- "\t.section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-/* For CPUs without lwl and ldl instructions */
-#define _LoadWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:"type##_lbu("%0", "0(%2)")"\n\t" \
- "2:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:"type##_lbu("$1", "3(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _LoadDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:lb\t%0, 0(%2)\n\t" \
- "2:lbu\t $1, 1(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:lbu\t$1, 2(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:lbu\t$1, 3(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "5:lbu\t$1, 4(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "6:lbu\t$1, 5(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "7:lbu\t$1, 6(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "8:lbu\t$1, 7(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n\t" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- STR(PTR)"\t5b, 11b\n\t" \
- STR(PTR)"\t6b, 11b\n\t" \
- STR(PTR)"\t7b, 11b\n\t" \
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-
-
-#define _StoreHW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
- "1:\t"type##_sb("%1", "1(%2)")"\n" \
- "srl\t$1, %1, 0x8\n" \
- "2:\t"type##_sb("$1", "0(%2)")"\n" \
- ".set\tat\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT));\
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _StoreW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_swl("%1", "(%2)")"\n" \
- "2:\t"type##_swr("%1", "3(%2)")"\n\t"\
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _StoreDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- "1:\tsdl\t%1,(%2)\n" \
- "2:\tsdr\t%1, 7(%2)\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-#define _StoreW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:"type##_sb("%1", "3(%2)")"\n\t" \
- "srl\t$1, %1, 0x8\n\t" \
- "2:"type##_sb("$1", "2(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
- "3:"type##_sb("$1", "1(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
- "4:"type##_sb("$1", "0(%2)")"\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%0, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
- : "memory"); \
-} while(0)
-
-#define _StoreDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:sb\t%1, 7(%2)\n\t" \
- "dsrl\t$1, %1, 0x8\n\t" \
- "2:sb\t$1, 6(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "3:sb\t$1, 5(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "4:sb\t$1, 4(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "5:sb\t$1, 3(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "6:sb\t$1, 2(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "7:sb\t$1, 1(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "8:sb\t$1, 0(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%0, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- STR(PTR)"\t5b, 11b\n\t" \
- STR(PTR)"\t6b, 11b\n\t" \
- STR(PTR)"\t7b, 11b\n\t" \
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
- : "memory"); \
-} while(0)
-
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-
-#else /* __BIG_ENDIAN */
-
-#define _LoadHW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ (".set\tnoat\n" \
- "1:\t"type##_lb("%0", "1(%2)")"\n" \
- "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- "3:\t.set\tat\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _LoadW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_lwl("%0", "3(%2)")"\n" \
- "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-/* For CPUs without lwl instruction */
-#define _LoadW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n" \
- ".set\tnoat\n\t" \
- "1:"type##_lb("%0", "3(%2)")"\n\t" \
- "2:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:"type##_lbu("$1", "0(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-
-
-#define _LoadHWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
- "1:\t"type##_lbu("%0", "1(%2)")"\n" \
- "2:\t"type##_lbu("$1", "0(%2)")"\n\t"\
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".set\tat\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _LoadWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_lwl("%0", "3(%2)")"\n" \
- "2:\t"type##_lwr("%0", "(%2)")"\n\t"\
- "dsll\t%0, %0, 32\n\t" \
- "dsrl\t%0, %0, 32\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- "\t.section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _LoadDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- "1:\tldl\t%0, 7(%2)\n" \
- "2:\tldr\t%0, (%2)\n\t" \
- "li\t%1, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- "\t.section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%1, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-/* For CPUs without lwl and ldl instructions */
-#define _LoadWU(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:"type##_lbu("%0", "3(%2)")"\n\t" \
- "2:"type##_lbu("$1", "2(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:"type##_lbu("$1", "1(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:"type##_lbu("$1", "0(%2)")"\n\t" \
- "sll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _LoadDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:lb\t%0, 7(%2)\n\t" \
- "2:lbu\t$1, 6(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "3:lbu\t$1, 5(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "4:lbu\t$1, 4(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "5:lbu\t$1, 3(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "6:lbu\t$1, 2(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "7:lbu\t$1, 1(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "8:lbu\t$1, 0(%2)\n\t" \
- "dsll\t%0, 0x8\n\t" \
- "or\t%0, $1\n\t" \
- "li\t%1, 0\n" \
- ".set\tpop\n\t" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%1, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- STR(PTR)"\t5b, 11b\n\t" \
- STR(PTR)"\t6b, 11b\n\t" \
- STR(PTR)"\t7b, 11b\n\t" \
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (value), "=r" (res) \
- : "r" (addr), "i" (-EFAULT)); \
-} while(0)
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-
-#define _StoreHW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tnoat\n" \
- "1:\t"type##_sb("%1", "0(%2)")"\n" \
- "srl\t$1,%1, 0x8\n" \
- "2:\t"type##_sb("$1", "1(%2)")"\n" \
- ".set\tat\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT));\
-} while(0)
-
-#ifndef CONFIG_CPU_NO_LOAD_STORE_LR
-#define _StoreW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- "1:\t"type##_swl("%1", "3(%2)")"\n" \
- "2:\t"type##_swr("%1", "(%2)")"\n\t"\
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#define _StoreDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- "1:\tsdl\t%1, 7(%2)\n" \
- "2:\tsdr\t%1, (%2)\n\t" \
- "li\t%0, 0\n" \
- "3:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "4:\tli\t%0, %3\n\t" \
- "j\t3b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 4b\n\t" \
- STR(PTR)"\t2b, 4b\n\t" \
- ".previous" \
- : "=r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT)); \
-} while(0)
-
-#else /* CONFIG_CPU_NO_LOAD_STORE_LR */
-/* For CPUs without swl and sdl instructions */
-#define _StoreW(addr, value, res, type) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:"type##_sb("%1", "0(%2)")"\n\t" \
- "srl\t$1, %1, 0x8\n\t" \
- "2:"type##_sb("$1", "1(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
- "3:"type##_sb("$1", "2(%2)")"\n\t" \
- "srl\t$1, $1, 0x8\n\t" \
- "4:"type##_sb("$1", "3(%2)")"\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%0, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
- : "memory"); \
-} while(0)
-
-#define _StoreDW(addr, value, res) \
-do { \
- __asm__ __volatile__ ( \
- ".set\tpush\n\t" \
- ".set\tnoat\n\t" \
- "1:sb\t%1, 0(%2)\n\t" \
- "dsrl\t$1, %1, 0x8\n\t" \
- "2:sb\t$1, 1(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "3:sb\t$1, 2(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "4:sb\t$1, 3(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "5:sb\t$1, 4(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "6:sb\t$1, 5(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "7:sb\t$1, 6(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- "8:sb\t$1, 7(%2)\n\t" \
- "dsrl\t$1, $1, 0x8\n\t" \
- ".set\tpop\n\t" \
- "li\t%0, 0\n" \
- "10:\n\t" \
- ".insn\n\t" \
- ".section\t.fixup,\"ax\"\n\t" \
- "11:\tli\t%0, %3\n\t" \
- "j\t10b\n\t" \
- ".previous\n\t" \
- ".section\t__ex_table,\"a\"\n\t" \
- STR(PTR)"\t1b, 11b\n\t" \
- STR(PTR)"\t2b, 11b\n\t" \
- STR(PTR)"\t3b, 11b\n\t" \
- STR(PTR)"\t4b, 11b\n\t" \
- STR(PTR)"\t5b, 11b\n\t" \
- STR(PTR)"\t6b, 11b\n\t" \
- STR(PTR)"\t7b, 11b\n\t" \
- STR(PTR)"\t8b, 11b\n\t" \
- ".previous" \
- : "=&r" (res) \
- : "r" (value), "r" (addr), "i" (-EFAULT) \
- : "memory"); \
-} while(0)
-
-#endif /* CONFIG_CPU_NO_LOAD_STORE_LR */
-#endif
-
-#define LoadHWU(addr, value, res) _LoadHWU(addr, value, res, kernel)
-#define LoadHWUE(addr, value, res) _LoadHWU(addr, value, res, user)
-#define LoadWU(addr, value, res) _LoadWU(addr, value, res, kernel)
-#define LoadWUE(addr, value, res) _LoadWU(addr, value, res, user)
-#define LoadHW(addr, value, res) _LoadHW(addr, value, res, kernel)
-#define LoadHWE(addr, value, res) _LoadHW(addr, value, res, user)
-#define LoadW(addr, value, res) _LoadW(addr, value, res, kernel)
-#define LoadWE(addr, value, res) _LoadW(addr, value, res, user)
-#define LoadDW(addr, value, res) _LoadDW(addr, value, res)
-
-#define StoreHW(addr, value, res) _StoreHW(addr, value, res, kernel)
-#define StoreHWE(addr, value, res) _StoreHW(addr, value, res, user)
-#define StoreW(addr, value, res) _StoreW(addr, value, res, kernel)
-#define StoreWE(addr, value, res) _StoreW(addr, value, res, user)
-#define StoreDW(addr, value, res) _StoreDW(addr, value, res)
-
static void emulate_load_store_insn(struct pt_regs *regs,
void __user *addr, unsigned int __user *pc)
{
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index a5f00ec73ea6..f185a85a27c1 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -55,7 +55,7 @@ SECTIONS
/* . = 0xa800000000300000; */
. = 0xffffffff80300000;
#endif
- . = VMLINUX_LOAD_ADDRESS;
+ . = LINKER_LOAD_ADDRESS;
/* read-only */
_text = .; /* Text and read-only data */
.text : {
diff --git a/arch/mips/kernel/watch.c b/arch/mips/kernel/watch.c
index ba73b4077668..c9263b95cb2e 100644
--- a/arch/mips/kernel/watch.c
+++ b/arch/mips/kernel/watch.c
@@ -27,15 +27,15 @@ void mips_install_watch_registers(struct task_struct *t)
case 4:
write_c0_watchlo3(watches->watchlo[3]);
write_c0_watchhi3(watchhi | watches->watchhi[3]);
- /* fall through */
+ fallthrough;
case 3:
write_c0_watchlo2(watches->watchlo[2]);
write_c0_watchhi2(watchhi | watches->watchhi[2]);
- /* fall through */
+ fallthrough;
case 2:
write_c0_watchlo1(watches->watchlo[1]);
write_c0_watchhi1(watchhi | watches->watchhi[1]);
- /* fall through */
+ fallthrough;
case 1:
write_c0_watchlo0(watches->watchlo[0]);
write_c0_watchhi0(watchhi | watches->watchhi[0]);
@@ -58,13 +58,13 @@ void mips_read_watch_registers(void)
BUG();
case 4:
watches->watchhi[3] = (read_c0_watchhi3() & watchhi_mask);
- /* fall through */
+ fallthrough;
case 3:
watches->watchhi[2] = (read_c0_watchhi2() & watchhi_mask);
- /* fall through */
+ fallthrough;
case 2:
watches->watchhi[1] = (read_c0_watchhi1() & watchhi_mask);
- /* fall through */
+ fallthrough;
case 1:
watches->watchhi[0] = (read_c0_watchhi0() & watchhi_mask);
}
@@ -91,25 +91,25 @@ void mips_clear_watch_registers(void)
BUG();
case 8:
write_c0_watchlo7(0);
- /* fall through */
+ fallthrough;
case 7:
write_c0_watchlo6(0);
- /* fall through */
+ fallthrough;
case 6:
write_c0_watchlo5(0);
- /* fall through */
+ fallthrough;
case 5:
write_c0_watchlo4(0);
- /* fall through */
+ fallthrough;
case 4:
write_c0_watchlo3(0);
- /* fall through */
+ fallthrough;
case 3:
write_c0_watchlo2(0);
- /* fall through */
+ fallthrough;
case 2:
write_c0_watchlo1(0);
- /* fall through */
+ fallthrough;
case 1:
write_c0_watchlo0(0);
}
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index 754094b40a75..7ccf9b096783 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -64,7 +64,7 @@ static int kvm_compute_return_epc(struct kvm_vcpu *vcpu, unsigned long instpc,
switch (insn.r_format.func) {
case jalr_op:
arch->gprs[insn.r_format.rd] = epc + 8;
- /* Fall through */
+ fallthrough;
case jr_op:
nextpc = arch->gprs[insn.r_format.rs];
break;
@@ -140,7 +140,7 @@ static int kvm_compute_return_epc(struct kvm_vcpu *vcpu, unsigned long instpc,
/* These are unconditional and in j_format. */
case jal_op:
arch->gprs[31] = instpc + 8;
- /* fall through */
+ fallthrough;
case j_op:
epc += 4;
epc >>= 28;
@@ -1724,14 +1724,14 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst,
case lhu_op:
vcpu->mmio_needed = 1; /* unsigned */
- /* fall through */
+ fallthrough;
case lh_op:
run->mmio.len = 2;
break;
case lbu_op:
vcpu->mmio_needed = 1; /* unsigned */
- /* fall through */
+ fallthrough;
case lb_op:
run->mmio.len = 1;
break;
@@ -1790,7 +1790,7 @@ static enum emulation_result kvm_mips_guest_cache_op(int (*fn)(unsigned long),
return EMULATE_EXCEPT;
default:
break;
- };
+ }
}
}
@@ -1965,7 +1965,7 @@ enum emulation_result kvm_mips_emulate_inst(u32 cause, u32 *opc,
break;
default:
goto unknown;
- };
+ }
break;
unknown:
#endif
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 8f05dd0a0f4e..3b0148c99c0d 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -39,40 +39,41 @@
#define VECTORSPACING 0x100 /* for EI/VI mode */
#endif
-#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x)
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "wait", VCPU_STAT(wait_exits), KVM_STAT_VCPU },
- { "cache", VCPU_STAT(cache_exits), KVM_STAT_VCPU },
- { "signal", VCPU_STAT(signal_exits), KVM_STAT_VCPU },
- { "interrupt", VCPU_STAT(int_exits), KVM_STAT_VCPU },
- { "cop_unusable", VCPU_STAT(cop_unusable_exits), KVM_STAT_VCPU },
- { "tlbmod", VCPU_STAT(tlbmod_exits), KVM_STAT_VCPU },
- { "tlbmiss_ld", VCPU_STAT(tlbmiss_ld_exits), KVM_STAT_VCPU },
- { "tlbmiss_st", VCPU_STAT(tlbmiss_st_exits), KVM_STAT_VCPU },
- { "addrerr_st", VCPU_STAT(addrerr_st_exits), KVM_STAT_VCPU },
- { "addrerr_ld", VCPU_STAT(addrerr_ld_exits), KVM_STAT_VCPU },
- { "syscall", VCPU_STAT(syscall_exits), KVM_STAT_VCPU },
- { "resvd_inst", VCPU_STAT(resvd_inst_exits), KVM_STAT_VCPU },
- { "break_inst", VCPU_STAT(break_inst_exits), KVM_STAT_VCPU },
- { "trap_inst", VCPU_STAT(trap_inst_exits), KVM_STAT_VCPU },
- { "msa_fpe", VCPU_STAT(msa_fpe_exits), KVM_STAT_VCPU },
- { "fpe", VCPU_STAT(fpe_exits), KVM_STAT_VCPU },
- { "msa_disabled", VCPU_STAT(msa_disabled_exits), KVM_STAT_VCPU },
- { "flush_dcache", VCPU_STAT(flush_dcache_exits), KVM_STAT_VCPU },
+ VCPU_STAT("wait", wait_exits),
+ VCPU_STAT("cache", cache_exits),
+ VCPU_STAT("signal", signal_exits),
+ VCPU_STAT("interrupt", int_exits),
+ VCPU_STAT("cop_unusable", cop_unusable_exits),
+ VCPU_STAT("tlbmod", tlbmod_exits),
+ VCPU_STAT("tlbmiss_ld", tlbmiss_ld_exits),
+ VCPU_STAT("tlbmiss_st", tlbmiss_st_exits),
+ VCPU_STAT("addrerr_st", addrerr_st_exits),
+ VCPU_STAT("addrerr_ld", addrerr_ld_exits),
+ VCPU_STAT("syscall", syscall_exits),
+ VCPU_STAT("resvd_inst", resvd_inst_exits),
+ VCPU_STAT("break_inst", break_inst_exits),
+ VCPU_STAT("trap_inst", trap_inst_exits),
+ VCPU_STAT("msa_fpe", msa_fpe_exits),
+ VCPU_STAT("fpe", fpe_exits),
+ VCPU_STAT("msa_disabled", msa_disabled_exits),
+ VCPU_STAT("flush_dcache", flush_dcache_exits),
#ifdef CONFIG_KVM_MIPS_VZ
- { "vz_gpsi", VCPU_STAT(vz_gpsi_exits), KVM_STAT_VCPU },
- { "vz_gsfc", VCPU_STAT(vz_gsfc_exits), KVM_STAT_VCPU },
- { "vz_hc", VCPU_STAT(vz_hc_exits), KVM_STAT_VCPU },
- { "vz_grr", VCPU_STAT(vz_grr_exits), KVM_STAT_VCPU },
- { "vz_gva", VCPU_STAT(vz_gva_exits), KVM_STAT_VCPU },
- { "vz_ghfc", VCPU_STAT(vz_ghfc_exits), KVM_STAT_VCPU },
- { "vz_gpa", VCPU_STAT(vz_gpa_exits), KVM_STAT_VCPU },
- { "vz_resvd", VCPU_STAT(vz_resvd_exits), KVM_STAT_VCPU },
+ VCPU_STAT("vz_gpsi", vz_gpsi_exits),
+ VCPU_STAT("vz_gsfc", vz_gsfc_exits),
+ VCPU_STAT("vz_hc", vz_hc_exits),
+ VCPU_STAT("vz_grr", vz_grr_exits),
+ VCPU_STAT("vz_gva", vz_gva_exits),
+ VCPU_STAT("vz_ghfc", vz_ghfc_exits),
+ VCPU_STAT("vz_gpa", vz_gpa_exits),
+ VCPU_STAT("vz_resvd", vz_resvd_exits),
#endif
- { "halt_successful_poll", VCPU_STAT(halt_successful_poll), KVM_STAT_VCPU },
- { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), KVM_STAT_VCPU },
- { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid), KVM_STAT_VCPU },
- { "halt_wakeup", VCPU_STAT(halt_wakeup), KVM_STAT_VCPU },
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
{NULL}
};
@@ -80,13 +81,13 @@ bool kvm_trace_guest_mode_change;
int kvm_guest_mode_change_trace_reg(void)
{
- kvm_trace_guest_mode_change = 1;
+ kvm_trace_guest_mode_change = true;
return 0;
}
void kvm_guest_mode_change_trace_unreg(void)
{
- kvm_trace_guest_mode_change = 0;
+ kvm_trace_guest_mode_change = false;
}
/*
@@ -284,8 +285,7 @@ static enum hrtimer_restart kvm_mips_comparecount_wakeup(struct hrtimer *timer)
kvm_mips_callbacks->queue_timer_int(vcpu);
vcpu->arch.wait = 0;
- if (swq_has_sleeper(&vcpu->wq))
- swake_up_one(&vcpu->wq);
+ rcuwait_wake_up(&vcpu->wait);
return kvm_mips_count_timeout(vcpu);
}
@@ -439,8 +439,9 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
return -ENOIOCTLCMD;
}
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
int r = -EINTR;
vcpu_load(vcpu);
@@ -511,8 +512,7 @@ int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu,
dvcpu->arch.wait = 0;
- if (swq_has_sleeper(&dvcpu->wq))
- swake_up_one(&dvcpu->wq);
+ rcuwait_wake_up(&dvcpu->wait);
return 0;
}
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index 7cd92166a0b9..5d436c5216cc 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -469,7 +469,7 @@ void kvm_vz_local_flush_guesttlb_all(void)
cvmmemctl2 |= CVMMEMCTL2_INHIBITTS;
write_c0_cvmmemctl2(cvmmemctl2);
break;
- };
+ }
/* Invalidate guest entries in guest TLB */
write_gc0_entrylo0(0);
@@ -486,7 +486,7 @@ void kvm_vz_local_flush_guesttlb_all(void)
if (cvmmemctl2) {
cvmmemctl2 &= ~CVMMEMCTL2_INHIBITTS;
write_c0_cvmmemctl2(cvmmemctl2);
- };
+ }
write_gc0_index(old_index);
write_gc0_entryhi(old_entryhi);
diff --git a/arch/mips/kvm/vz.c b/arch/mips/kvm/vz.c
index dde20887a70d..51f51009a53f 100644
--- a/arch/mips/kvm/vz.c
+++ b/arch/mips/kvm/vz.c
@@ -1118,7 +1118,7 @@ static enum emulation_result kvm_vz_gpsi_cache(union mips_instruction inst,
break;
default:
break;
- };
+ }
kvm_err("@ %#lx/%#lx CACHE (cache: %#x, op: %#x, base[%d]: %#lx, offset: %#x\n",
curr_pc, vcpu->arch.gprs[31], cache, op, base, arch->gprs[base],
@@ -1183,7 +1183,7 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
trace_kvm_hwr(vcpu, KVM_TRACE_RDHWR,
KVM_TRACE_HWR(rd, sel), 0);
goto unknown;
- };
+ }
trace_kvm_hwr(vcpu, KVM_TRACE_RDHWR,
KVM_TRACE_HWR(rd, sel), arch->gprs[rt]);
@@ -1192,7 +1192,7 @@ static enum emulation_result kvm_trap_vz_handle_gpsi(u32 cause, u32 *opc,
break;
default:
goto unknown;
- };
+ }
break;
unknown:
@@ -1946,7 +1946,7 @@ static int kvm_vz_get_one_reg(struct kvm_vcpu *vcpu,
default:
*v = (long)kvm_read_c0_guest_prid(cop0);
break;
- };
+ }
break;
case KVM_REG_MIPS_CP0_EBASE:
*v = kvm_vz_read_gc0_ebase();
@@ -2185,7 +2185,7 @@ static int kvm_vz_set_one_reg(struct kvm_vcpu *vcpu,
default:
kvm_write_c0_guest_prid(cop0, v);
break;
- };
+ }
break;
case KVM_REG_MIPS_CP0_EBASE:
kvm_vz_write_gc0_ebase(v);
@@ -2980,7 +2980,7 @@ static int kvm_vz_vcpu_setup(struct kvm_vcpu *vcpu)
*/
/* PageGrain */
- if (cpu_has_mips_r6)
+ if (cpu_has_mips_r5 || cpu_has_mips_r6)
kvm_write_sw_gc0_pagegrain(cop0, PG_RIE | PG_XIE | PG_IEC);
/* Wired */
if (cpu_has_mips_r6)
@@ -2988,7 +2988,7 @@ static int kvm_vz_vcpu_setup(struct kvm_vcpu *vcpu)
read_gc0_wired() & MIPSR6_WIRED_LIMIT);
/* Status */
kvm_write_sw_gc0_status(cop0, ST0_BEV | ST0_ERL);
- if (cpu_has_mips_r6)
+ if (cpu_has_mips_r5 || cpu_has_mips_r6)
kvm_change_sw_gc0_status(cop0, ST0_FR, read_gc0_status());
/* IntCtl */
kvm_write_sw_gc0_intctl(cop0, read_gc0_intctl() &
@@ -3086,7 +3086,7 @@ static int kvm_vz_vcpu_setup(struct kvm_vcpu *vcpu)
}
/* reset HTW registers */
- if (cpu_guest_has_htw && cpu_has_mips_r6) {
+ if (cpu_guest_has_htw && (cpu_has_mips_r5 || cpu_has_mips_r6)) {
/* PWField */
kvm_write_sw_gc0_pwfield(cop0, 0x0c30c302);
/* PWSize */
diff --git a/arch/mips/lantiq/Platform b/arch/mips/lantiq/Platform
index b3ec49838fd7..0bc9c0fbd431 100644
--- a/arch/mips/lantiq/Platform
+++ b/arch/mips/lantiq/Platform
@@ -2,7 +2,6 @@
# Lantiq
#
-platform-$(CONFIG_LANTIQ) += lantiq/
cflags-$(CONFIG_LANTIQ) += -I$(srctree)/arch/mips/include/asm/mach-lantiq
load-$(CONFIG_LANTIQ) = 0xffffffff80002000
cflags-$(CONFIG_SOC_TYPE_XWAY) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig
deleted file mode 100644
index 11b89e94b835..000000000000
--- a/arch/mips/lasat/Kconfig
+++ /dev/null
@@ -1,16 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-config PICVUE
- tristate "PICVUE LCD display driver"
- depends on LASAT
-
-config PICVUE_PROC
- tristate "PICVUE LCD display driver /proc interface"
- depends on PICVUE && PROC_FS
-
-config DS1603
- bool "DS1603 RTC driver"
- depends on LASAT
-
-config LASAT_SYSCTL
- bool "LASAT sysctl interface"
- depends on LASAT
diff --git a/arch/mips/lasat/Makefile b/arch/mips/lasat/Makefile
deleted file mode 100644
index 1789b227ef20..000000000000
--- a/arch/mips/lasat/Makefile
+++ /dev/null
@@ -1,15 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for the LASAT specific kernel interface routines under Linux.
-#
-
-obj-y += reset.o setup.o prom.o lasat_board.o \
- at93c.o interrupt.o serial.o
-
-obj-$(CONFIG_LASAT_SYSCTL) += sysctl.o
-obj-$(CONFIG_DS1603) += ds1603.o
-obj-$(CONFIG_PICVUE) += picvue.o
-obj-$(CONFIG_PICVUE_PROC) += picvue_proc.o
-
-clean:
- make -C image clean
diff --git a/arch/mips/lasat/Platform b/arch/mips/lasat/Platform
deleted file mode 100644
index 760252828bf1..000000000000
--- a/arch/mips/lasat/Platform
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# LASAT platforms
-#
-platform-$(CONFIG_LASAT) += lasat/
-cflags-$(CONFIG_LASAT) += \
- -I$(srctree)/arch/mips/include/asm/mach-lasat
-load-$(CONFIG_LASAT) += 0xffffffff80000000
diff --git a/arch/mips/lasat/at93c.c b/arch/mips/lasat/at93c.c
deleted file mode 100644
index f895fe94b937..000000000000
--- a/arch/mips/lasat/at93c.c
+++ /dev/null
@@ -1,148 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Atmel AT93C46 serial eeprom driver
- *
- * Brian Murphy <brian.murphy@eicon.com>
- *
- */
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/lasat/lasat.h>
-
-#include "at93c.h"
-
-#define AT93C_ADDR_SHIFT 7
-#define AT93C_ADDR_MAX ((1 << AT93C_ADDR_SHIFT) - 1)
-#define AT93C_RCMD (0x6 << AT93C_ADDR_SHIFT)
-#define AT93C_WCMD (0x5 << AT93C_ADDR_SHIFT)
-#define AT93C_WENCMD 0x260
-#define AT93C_WDSCMD 0x200
-
-struct at93c_defs *at93c;
-
-static void at93c_reg_write(u32 val)
-{
- *at93c->reg = val;
-}
-
-static u32 at93c_reg_read(void)
-{
- u32 tmp = *at93c->reg;
- return tmp;
-}
-
-static u32 at93c_datareg_read(void)
-{
- u32 tmp = *at93c->rdata_reg;
- return tmp;
-}
-
-static void at93c_cycle_clk(u32 data)
-{
- at93c_reg_write(data | at93c->clk);
- lasat_ndelay(250);
- at93c_reg_write(data & ~at93c->clk);
- lasat_ndelay(250);
-}
-
-static void at93c_write_databit(u8 bit)
-{
- u32 data = at93c_reg_read();
- if (bit)
- data |= 1 << at93c->wdata_shift;
- else
- data &= ~(1 << at93c->wdata_shift);
-
- at93c_reg_write(data);
- lasat_ndelay(100);
- at93c_cycle_clk(data);
-}
-
-static unsigned int at93c_read_databit(void)
-{
- u32 data;
-
- at93c_cycle_clk(at93c_reg_read());
- data = (at93c_datareg_read() >> at93c->rdata_shift) & 1;
- return data;
-}
-
-static u8 at93c_read_byte(void)
-{
- int i;
- u8 data = 0;
-
- for (i = 0; i <= 7; i++) {
- data <<= 1;
- data |= at93c_read_databit();
- }
- return data;
-}
-
-static void at93c_write_bits(u32 data, int size)
-{
- int i;
- int shift = size - 1;
- u32 mask = (1 << shift);
-
- for (i = 0; i < size; i++) {
- at93c_write_databit((data & mask) >> shift);
- data <<= 1;
- }
-}
-
-static void at93c_init_op(void)
-{
- at93c_reg_write((at93c_reg_read() | at93c->cs) &
- ~at93c->clk & ~(1 << at93c->rdata_shift));
- lasat_ndelay(50);
-}
-
-static void at93c_end_op(void)
-{
- at93c_reg_write(at93c_reg_read() & ~at93c->cs);
- lasat_ndelay(250);
-}
-
-static void at93c_wait(void)
-{
- at93c_init_op();
- while (!at93c_read_databit())
- ;
- at93c_end_op();
-};
-
-static void at93c_disable_wp(void)
-{
- at93c_init_op();
- at93c_write_bits(AT93C_WENCMD, 10);
- at93c_end_op();
-}
-
-static void at93c_enable_wp(void)
-{
- at93c_init_op();
- at93c_write_bits(AT93C_WDSCMD, 10);
- at93c_end_op();
-}
-
-u8 at93c_read(u8 addr)
-{
- u8 byte;
- at93c_init_op();
- at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_RCMD, 10);
- byte = at93c_read_byte();
- at93c_end_op();
- return byte;
-}
-
-void at93c_write(u8 addr, u8 data)
-{
- at93c_disable_wp();
- at93c_init_op();
- at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_WCMD, 10);
- at93c_write_bits(data, 8);
- at93c_end_op();
- at93c_wait();
- at93c_enable_wp();
-}
diff --git a/arch/mips/lasat/at93c.h b/arch/mips/lasat/at93c.h
deleted file mode 100644
index 7a99a02d81d0..000000000000
--- a/arch/mips/lasat/at93c.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Atmel AT93C46 serial eeprom driver
- *
- * Brian Murphy <brian.murphy@eicon.com>
- *
- */
-
-extern struct at93c_defs {
- volatile u32 *reg;
- volatile u32 *rdata_reg;
- int rdata_shift;
- int wdata_shift;
- u32 cs;
- u32 clk;
-} *at93c;
-
-u8 at93c_read(u8 addr);
-void at93c_write(u8 addr, u8 data);
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
deleted file mode 100644
index e6ce39fefa78..000000000000
--- a/arch/mips/lasat/ds1603.c
+++ /dev/null
@@ -1,190 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Dallas Semiconductors 1603 RTC driver
- *
- * Brian Murphy <brian@murphy.dk>
- *
- */
-#include <linux/kernel.h>
-#include <asm/lasat/lasat.h>
-#include <linux/delay.h>
-#include <asm/lasat/ds1603.h>
-#include <asm/time.h>
-
-#include "ds1603.h"
-
-#define READ_TIME_CMD 0x81
-#define SET_TIME_CMD 0x80
-#define TRIMMER_SET_CMD 0xC0
-#define TRIMMER_VALUE_MASK 0x38
-#define TRIMMER_SHIFT 3
-
-struct ds_defs *ds1603;
-
-/* HW specific register functions */
-static void rtc_reg_write(unsigned long val)
-{
- *ds1603->reg = val;
-}
-
-static unsigned long rtc_reg_read(void)
-{
- unsigned long tmp = *ds1603->reg;
- return tmp;
-}
-
-static unsigned long rtc_datareg_read(void)
-{
- unsigned long tmp = *ds1603->data_reg;
- return tmp;
-}
-
-static void rtc_nrst_high(void)
-{
- rtc_reg_write(rtc_reg_read() | ds1603->rst);
-}
-
-static void rtc_nrst_low(void)
-{
- rtc_reg_write(rtc_reg_read() & ~ds1603->rst);
-}
-
-static void rtc_cycle_clock(unsigned long data)
-{
- data |= ds1603->clk;
- rtc_reg_write(data);
- lasat_ndelay(250);
- if (ds1603->data_reversed)
- data &= ~ds1603->data;
- else
- data |= ds1603->data;
- data &= ~ds1603->clk;
- rtc_reg_write(data);
- lasat_ndelay(250 + ds1603->huge_delay);
-}
-
-static void rtc_write_databit(unsigned int bit)
-{
- unsigned long data = rtc_reg_read();
- if (ds1603->data_reversed)
- bit = !bit;
- if (bit)
- data |= ds1603->data;
- else
- data &= ~ds1603->data;
-
- rtc_reg_write(data);
- lasat_ndelay(50 + ds1603->huge_delay);
- rtc_cycle_clock(data);
-}
-
-static unsigned int rtc_read_databit(void)
-{
- unsigned int data;
-
- data = (rtc_datareg_read() & (1 << ds1603->data_read_shift))
- >> ds1603->data_read_shift;
- rtc_cycle_clock(rtc_reg_read());
- return data;
-}
-
-static void rtc_write_byte(unsigned int byte)
-{
- int i;
-
- for (i = 0; i <= 7; i++) {
- rtc_write_databit(byte & 1L);
- byte >>= 1;
- }
-}
-
-static void rtc_write_word(unsigned long word)
-{
- int i;
-
- for (i = 0; i <= 31; i++) {
- rtc_write_databit(word & 1L);
- word >>= 1;
- }
-}
-
-static unsigned long rtc_read_word(void)
-{
- int i;
- unsigned long word = 0;
- unsigned long shift = 0;
-
- for (i = 0; i <= 31; i++) {
- word |= rtc_read_databit() << shift;
- shift++;
- }
- return word;
-}
-
-static void rtc_init_op(void)
-{
- rtc_nrst_high();
-
- rtc_reg_write(rtc_reg_read() & ~ds1603->clk);
-
- lasat_ndelay(50);
-}
-
-static void rtc_end_op(void)
-{
- rtc_nrst_low();
- lasat_ndelay(1000);
-}
-
-void read_persistent_clock64(struct timespec64 *ts)
-{
- unsigned long word;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- rtc_init_op();
- rtc_write_byte(READ_TIME_CMD);
- word = rtc_read_word();
- rtc_end_op();
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- ts->tv_sec = word;
- ts->tv_nsec = 0;
-}
-
-int update_persistent_clock64(struct timespec64 now)
-{
- time64_t time = now.tv_sec;
- unsigned long flags;
-
- spin_lock_irqsave(&rtc_lock, flags);
- rtc_init_op();
- rtc_write_byte(SET_TIME_CMD);
- /*
- * Due to the hardware limitation, we cast to 'unsigned long' type,
- * so it will overflow in year 2106 on 32-bit machine.
- */
- rtc_write_word((unsigned long)time);
- rtc_end_op();
- spin_unlock_irqrestore(&rtc_lock, flags);
-
- return 0;
-}
-
-void ds1603_set_trimmer(unsigned int trimval)
-{
- rtc_init_op();
- rtc_write_byte(((trimval << TRIMMER_SHIFT) & TRIMMER_VALUE_MASK)
- | (TRIMMER_SET_CMD));
- rtc_end_op();
-}
-
-void ds1603_disable(void)
-{
- ds1603_set_trimmer(TRIMMER_DISABLE_RTC);
-}
-
-void ds1603_enable(void)
-{
- ds1603_set_trimmer(TRIMMER_DEFAULT);
-}
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
deleted file mode 100644
index 00987d3bdc21..000000000000
--- a/arch/mips/lasat/ds1603.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Dallas Semiconductors 1603 RTC driver
- *
- * Brian Murphy <brian@murphy.dk>
- *
- */
-#ifndef __DS1603_H
-#define __DS1603_H
-
-struct ds_defs {
- volatile u32 *reg;
- volatile u32 *data_reg;
- u32 rst;
- u32 clk;
- u32 data;
- u32 data_read_shift;
- char data_reversed;
- u32 huge_delay;
-};
-
-extern struct ds_defs *ds1603;
-
-void ds1603_set_trimmer(unsigned int);
-void ds1603_enable(void);
-void ds1603_disable(void);
-void ds1603_init(struct ds_defs *);
-
-#define TRIMMER_DEFAULT 3
-#define TRIMMER_DISABLE_RTC 0
-
-#endif
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
deleted file mode 100644
index 78ce4cff1012..000000000000
--- a/arch/mips/lasat/image/Makefile
+++ /dev/null
@@ -1,53 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
-#
-# i-data Networks
-#
-# Author: Thomas Horsten <thh@i-data.com>
-#
-
-ifndef Version
- Version = "$(USER)-test"
-endif
-
-MKLASATIMG = mklasatimg
-MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
-KERNEL_IMAGE = vmlinux
-
-LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
-
-HEAD_DEFINES := -D_kernel_start=$(VMLINUX_LOAD_ADDRESS) \
- -D_kernel_entry=$(VMLINUX_ENTRY_ADDRESS) \
- -D VERSION="\"$(Version)\"" \
- -D TIMESTAMP=$(shell date +%s)
-
-$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
- $(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
-
-OBJECTS = head.o kImage.o
-
-rom.sw: $(obj)/rom.sw
-rom.bin: $(obj)/rom.bin
-
-$(obj)/rom.sw: $(obj)/rom.bin
- $(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
-
-$(obj)/rom.bin: $(obj)/rom
- $(OBJCOPY) -O binary -S $^ $@
-
-# Rule to make the bootloader
-$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
- $(LD) $(KBUILD_LDFLAGS) $(LDSCRIPT) -o $@ $^
-
-$(obj)/%.o: $(obj)/%.gz
- $(LD) -r -o $@ -b binary $<
-
-$(obj)/%.gz: $(obj)/%.bin
- gzip -cf -9 $< > $@
-
-$(obj)/kImage.bin: $(KERNEL_IMAGE)
- $(OBJCOPY) -O binary -S $^ $@
-
-clean:
- rm -f rom rom.bin rom.sw kImage.bin kImage.o
diff --git a/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
deleted file mode 100644
index 1a27312d4c2e..000000000000
--- a/arch/mips/lasat/image/head.S
+++ /dev/null
@@ -1,32 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <asm/lasat/head.h>
-
- .text
- .section .text..start, "ax"
- .set noreorder
- .set mips3
-
- /* Magic words identifying a software image */
- .word LASAT_K_MAGIC0_VAL
- .word LASAT_K_MAGIC1_VAL
-
- /* Image header version */
- .word 0x00000002
-
- /* image start and size */
- .word _image_start
- .word _image_size
-
- /* start of kernel and entrypoint in uncompressed image */
- .word _kernel_start
- .word _kernel_entry
-
- /* Here we have room for future flags */
-
- .org 0x40
-reldate:
- .word TIMESTAMP
-
- .org 0x50
-release:
- .string VERSION
diff --git a/arch/mips/lasat/image/romscript.normal b/arch/mips/lasat/image/romscript.normal
deleted file mode 100644
index 0864c963e188..000000000000
--- a/arch/mips/lasat/image/romscript.normal
+++ /dev/null
@@ -1,23 +0,0 @@
-OUTPUT_ARCH(mips)
-
-SECTIONS
-{
- .text :
- {
- *(.text..start)
- }
-
- /* Data in ROM */
-
- .data ALIGN(0x10) :
- {
- *(.data)
- }
- _image_start = ADDR(.data);
- _image_size = SIZEOF(.data);
-
- .other :
- {
- *(.*)
- }
-}
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
deleted file mode 100644
index 7965bbd0d319..000000000000
--- a/arch/mips/lasat/interrupt.c
+++ /dev/null
@@ -1,119 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * Routines for generic manipulation of the interrupts found on the
- * Lasat boards.
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-
-#include <asm/irq_cpu.h>
-#include <asm/lasat/lasat.h>
-#include <asm/lasat/lasatint.h>
-
-#include <irq.h>
-
-static volatile int *lasat_int_status;
-static volatile int *lasat_int_mask;
-static volatile int lasat_int_mask_shift;
-
-void disable_lasat_irq(struct irq_data *d)
-{
- unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
-
- *lasat_int_mask &= ~(1 << irq_nr) << lasat_int_mask_shift;
-}
-
-void enable_lasat_irq(struct irq_data *d)
-{
- unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
-
- *lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
-}
-
-static struct irq_chip lasat_irq_type = {
- .name = "Lasat",
- .irq_mask = disable_lasat_irq,
- .irq_unmask = enable_lasat_irq,
-};
-
-static inline int ls1bit32(unsigned int x)
-{
- int b = 31, s;
-
- s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s;
- s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s;
- s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s;
- s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s;
- s = 1; if (x << 1 == 0) s = 0; b -= s;
-
- return b;
-}
-
-static unsigned long (*get_int_status)(void);
-
-static unsigned long get_int_status_100(void)
-{
- return *lasat_int_status & *lasat_int_mask;
-}
-
-static unsigned long get_int_status_200(void)
-{
- unsigned long int_status;
-
- int_status = *lasat_int_status;
- int_status &= (int_status >> LASATINT_MASK_SHIFT_200) & 0xffff;
- return int_status;
-}
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned long int_status;
- unsigned int cause = read_c0_cause();
- int irq;
-
- if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
- do_IRQ(7);
- return;
- }
-
- int_status = get_int_status();
-
- /* if int_status == 0, then the interrupt has already been cleared */
- if (int_status) {
- irq = LASAT_IRQ_BASE + ls1bit32(int_status);
-
- do_IRQ(irq);
- }
-}
-
-void __init arch_init_irq(void)
-{
- int irq = LASAT_CASCADE_IRQ;
- int i;
-
- if (IS_LASAT_200()) {
- lasat_int_status = (void *)LASAT_INT_STATUS_REG_200;
- lasat_int_mask = (void *)LASAT_INT_MASK_REG_200;
- lasat_int_mask_shift = LASATINT_MASK_SHIFT_200;
- get_int_status = get_int_status_200;
- *lasat_int_mask &= 0xffff;
- } else {
- lasat_int_status = (void *)LASAT_INT_STATUS_REG_100;
- lasat_int_mask = (void *)LASAT_INT_MASK_REG_100;
- lasat_int_mask_shift = LASATINT_MASK_SHIFT_100;
- get_int_status = get_int_status_100;
- *lasat_int_mask = 0;
- }
-
- mips_cpu_irq_init();
-
- for (i = LASAT_IRQ_BASE; i <= LASAT_IRQ_END; i++)
- irq_set_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
-
- if (request_irq(irq, no_action, IRQF_NO_THREAD, "cascade", NULL))
- pr_err("Failed to request irq %d (cascade)\n", irq);
-}
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c
deleted file mode 100644
index 80e1ba541148..000000000000
--- a/arch/mips/lasat/lasat_board.c
+++ /dev/null
@@ -1,268 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * Routines specific to the LASAT boards
- */
-#include <linux/types.h>
-#include <linux/crc32.h>
-#include <asm/lasat/lasat.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/mutex.h>
-#include <asm/addrspace.h>
-#include "at93c.h"
-/* New model description table */
-#include "lasat_models.h"
-
-static DEFINE_MUTEX(lasat_eeprom_mutex);
-
-#define EEPROM_CRC(data, len) (~crc32(~0, data, len))
-
-struct lasat_info lasat_board_info;
-
-int EEPROMRead(unsigned int pos, unsigned char *data, int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- *data++ = at93c_read(pos++);
-
- return 0;
-}
-
-int EEPROMWrite(unsigned int pos, unsigned char *data, int len)
-{
- int i;
-
- for (i = 0; i < len; i++)
- at93c_write(pos++, *data++);
-
- return 0;
-}
-
-static void init_flash_sizes(void)
-{
- unsigned long *lb = lasat_board_info.li_flashpart_base;
- unsigned long *ls = lasat_board_info.li_flashpart_size;
- int i;
-
- ls[LASAT_MTD_BOOTLOADER] = 0x40000;
- ls[LASAT_MTD_SERVICE] = 0xC0000;
- ls[LASAT_MTD_NORMAL] = 0x100000;
-
- if (!IS_LASAT_200()) {
- lasat_board_info.li_flash_base = 0x1e000000;
-
- lb[LASAT_MTD_BOOTLOADER] = 0x1e400000;
-
- if (lasat_board_info.li_flash_size > 0x200000) {
- ls[LASAT_MTD_CONFIG] = 0x100000;
- ls[LASAT_MTD_FS] = 0x500000;
- }
- } else {
- lasat_board_info.li_flash_base = 0x10000000;
-
- if (lasat_board_info.li_flash_size < 0x1000000) {
- lb[LASAT_MTD_BOOTLOADER] = 0x10000000;
- ls[LASAT_MTD_CONFIG] = 0x100000;
- if (lasat_board_info.li_flash_size >= 0x400000)
- ls[LASAT_MTD_FS] =
- lasat_board_info.li_flash_size - 0x300000;
- }
- }
-
- for (i = 1; i < LASAT_MTD_LAST; i++)
- lb[i] = lb[i-1] + ls[i-1];
-}
-
-int lasat_init_board_info(void)
-{
- int c;
- unsigned long crc;
- unsigned long cfg0, cfg1;
- const struct product_info *ppi;
- int i_n_base_models = N_BASE_MODELS;
- const char * const * i_txt_base_models = txt_base_models;
- int i_n_prids = N_PRIDS;
-
- memset(&lasat_board_info, 0, sizeof(lasat_board_info));
-
- /* First read the EEPROM info */
- EEPROMRead(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
- sizeof(struct lasat_eeprom_struct));
-
- /* Check the CRC */
- crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
- sizeof(struct lasat_eeprom_struct) - 4);
-
- if (crc != lasat_board_info.li_eeprom_info.crc32) {
- printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does "
- "not match calculated, attempting to soldier on...\n");
- }
-
- if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) {
- printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version "
- "%d, wanted version %d, attempting to soldier on...\n",
- (unsigned int)lasat_board_info.li_eeprom_info.version,
- LASAT_EEPROM_VERSION);
- }
-
- cfg0 = lasat_board_info.li_eeprom_info.cfg[0];
- cfg1 = lasat_board_info.li_eeprom_info.cfg[1];
-
- if (LASAT_W0_DSCTYPE(cfg0) != 1) {
- printk(KERN_WARNING "WARNING...\nWARNING...\n"
- "Invalid configuration read from EEPROM, attempting to "
- "soldier on...");
- }
- /* We have a valid configuration */
-
- switch (LASAT_W0_SDRAMBANKSZ(cfg0)) {
- case 0:
- lasat_board_info.li_memsize = 0x0800000;
- break;
- case 1:
- lasat_board_info.li_memsize = 0x1000000;
- break;
- case 2:
- lasat_board_info.li_memsize = 0x2000000;
- break;
- case 3:
- lasat_board_info.li_memsize = 0x4000000;
- break;
- case 4:
- lasat_board_info.li_memsize = 0x8000000;
- break;
- default:
- lasat_board_info.li_memsize = 0;
- }
-
- switch (LASAT_W0_SDRAMBANKS(cfg0)) {
- case 0:
- break;
- case 1:
- lasat_board_info.li_memsize *= 2;
- break;
- default:
- break;
- }
-
- switch (LASAT_W0_BUSSPEED(cfg0)) {
- case 0x0:
- lasat_board_info.li_bus_hz = 60000000;
- break;
- case 0x1:
- lasat_board_info.li_bus_hz = 66000000;
- break;
- case 0x2:
- lasat_board_info.li_bus_hz = 66666667;
- break;
- case 0x3:
- lasat_board_info.li_bus_hz = 80000000;
- break;
- case 0x4:
- lasat_board_info.li_bus_hz = 83333333;
- break;
- case 0x5:
- lasat_board_info.li_bus_hz = 100000000;
- break;
- }
-
- switch (LASAT_W0_CPUCLK(cfg0)) {
- case 0x0:
- lasat_board_info.li_cpu_hz =
- lasat_board_info.li_bus_hz;
- break;
- case 0x1:
- lasat_board_info.li_cpu_hz =
- lasat_board_info.li_bus_hz +
- (lasat_board_info.li_bus_hz >> 1);
- break;
- case 0x2:
- lasat_board_info.li_cpu_hz =
- lasat_board_info.li_bus_hz +
- lasat_board_info.li_bus_hz;
- break;
- case 0x3:
- lasat_board_info.li_cpu_hz =
- lasat_board_info.li_bus_hz +
- lasat_board_info.li_bus_hz +
- (lasat_board_info.li_bus_hz >> 1);
- break;
- case 0x4:
- lasat_board_info.li_cpu_hz =
- lasat_board_info.li_bus_hz +
- lasat_board_info.li_bus_hz +
- lasat_board_info.li_bus_hz;
- break;
- }
-
- /* Flash size */
- switch (LASAT_W1_FLASHSIZE(cfg1)) {
- case 0:
- lasat_board_info.li_flash_size = 0x200000;
- break;
- case 1:
- lasat_board_info.li_flash_size = 0x400000;
- break;
- case 2:
- lasat_board_info.li_flash_size = 0x800000;
- break;
- case 3:
- lasat_board_info.li_flash_size = 0x1000000;
- break;
- case 4:
- lasat_board_info.li_flash_size = 0x2000000;
- break;
- }
-
- init_flash_sizes();
-
- lasat_board_info.li_bmid = LASAT_W0_BMID(cfg0);
- lasat_board_info.li_prid = lasat_board_info.li_eeprom_info.prid;
- if (lasat_board_info.li_prid == 0xffff || lasat_board_info.li_prid == 0)
- lasat_board_info.li_prid = lasat_board_info.li_bmid;
-
- /* Base model stuff */
- if (lasat_board_info.li_bmid > i_n_base_models)
- lasat_board_info.li_bmid = i_n_base_models;
- strcpy(lasat_board_info.li_bmstr,
- i_txt_base_models[lasat_board_info.li_bmid]);
-
- /* Product ID dependent values */
- c = lasat_board_info.li_prid;
- if (c >= i_n_prids) {
- strcpy(lasat_board_info.li_namestr, "Unknown Model");
- strcpy(lasat_board_info.li_typestr, "Unknown Type");
- } else {
- ppi = &vendor_info_table[0].vi_product_info[c];
- strcpy(lasat_board_info.li_namestr, ppi->pi_name);
- if (ppi->pi_type)
- strcpy(lasat_board_info.li_typestr, ppi->pi_type);
- else
- sprintf(lasat_board_info.li_typestr, "%d", 10 * c);
- }
-
- return 0;
-}
-
-void lasat_write_eeprom_info(void)
-{
- unsigned long crc;
-
- mutex_lock(&lasat_eeprom_mutex);
-
- /* Generate the CRC */
- crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
- sizeof(struct lasat_eeprom_struct) - 4);
- lasat_board_info.li_eeprom_info.crc32 = crc;
-
- /* Write the EEPROM info */
- EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
- sizeof(struct lasat_eeprom_struct));
-
- mutex_unlock(&lasat_eeprom_mutex);
-}
diff --git a/arch/mips/lasat/lasat_models.h b/arch/mips/lasat/lasat_models.h
deleted file mode 100644
index 474e57342484..000000000000
--- a/arch/mips/lasat/lasat_models.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Model description tables
- */
-#include <linux/kernel.h>
-
-struct product_info {
- const char *pi_name;
- const char *pi_type;
-};
-
-struct vendor_info {
- const char *vi_name;
- const struct product_info *vi_product_info;
-};
-
-/*
- * Base models
- */
-static const char * const txt_base_models[] = {
- "MQ 2", "MQ Pro", "SP 25", "SP 50", "SP 100", "SP 5000", "SP 7000",
- "SP 1000", "Unknown"
-};
-#define N_BASE_MODELS (ARRAY_SIZE(txt_base_models) - 1)
-
-/*
- * Eicon Networks
- */
-static const char txt_en_mq[] = "Masquerade";
-static const char txt_en_sp[] = "Safepipe";
-
-static const struct product_info product_info_eicon[] = {
- { txt_en_mq, "II" }, /* 0 */
- { txt_en_mq, "Pro" }, /* 1 */
- { txt_en_sp, "25" }, /* 2 */
- { txt_en_sp, "50" }, /* 3 */
- { txt_en_sp, "100" }, /* 4 */
- { txt_en_sp, "5000" }, /* 5 */
- { txt_en_sp, "7000" }, /* 6 */
- { txt_en_sp, "30" }, /* 7 */
- { txt_en_sp, "5100" }, /* 8 */
- { txt_en_sp, "7100" }, /* 9 */
- { txt_en_sp, "1110" }, /* 10 */
- { txt_en_sp, "3020" }, /* 11 */
- { txt_en_sp, "3030" }, /* 12 */
- { txt_en_sp, "5020" }, /* 13 */
- { txt_en_sp, "5030" }, /* 14 */
- { txt_en_sp, "1120" }, /* 15 */
- { txt_en_sp, "1130" }, /* 16 */
- { txt_en_sp, "6010" }, /* 17 */
- { txt_en_sp, "6110" }, /* 18 */
- { txt_en_sp, "6210" }, /* 19 */
- { txt_en_sp, "1020" }, /* 20 */
- { txt_en_sp, "1040" }, /* 21 */
- { txt_en_sp, "1050" }, /* 22 */
- { txt_en_sp, "1060" }, /* 23 */
-};
-
-#define N_PRIDS ARRAY_SIZE(product_info_eicon)
-
-/*
- * The vendor table
- */
-static struct vendor_info const vendor_info_table[] = {
- { "Eicon Networks", product_info_eicon },
-};
-
-#define N_VENDORS ARRAY_SIZE(vendor_info_table)
diff --git a/arch/mips/lasat/picvue.c b/arch/mips/lasat/picvue.c
deleted file mode 100644
index 08298ccf5ccf..000000000000
--- a/arch/mips/lasat/picvue.c
+++ /dev/null
@@ -1,242 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Picvue PVC160206 display driver
- *
- * Brian Murphy <brian@murphy.dk>
- *
- */
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <asm/bootinfo.h>
-#include <asm/lasat/lasat.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-
-#include "picvue.h"
-
-#define PVC_BUSY 0x80
-#define PVC_NLINES 2
-#define PVC_DISPMEM 80
-#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
-
-struct pvc_defs *picvue;
-
-static void pvc_reg_write(u32 val)
-{
- *picvue->reg = val;
-}
-
-static u32 pvc_reg_read(void)
-{
- u32 tmp = *picvue->reg;
- return tmp;
-}
-
-static void pvc_write_byte(u32 data, u8 byte)
-{
- data |= picvue->e;
- pvc_reg_write(data);
- data &= ~picvue->data_mask;
- data |= byte << picvue->data_shift;
- pvc_reg_write(data);
- ndelay(220);
- pvc_reg_write(data & ~picvue->e);
- ndelay(220);
-}
-
-static u8 pvc_read_byte(u32 data)
-{
- u8 byte;
-
- data |= picvue->e;
- pvc_reg_write(data);
- ndelay(220);
- byte = (pvc_reg_read() & picvue->data_mask) >> picvue->data_shift;
- data &= ~picvue->e;
- pvc_reg_write(data);
- ndelay(220);
- return byte;
-}
-
-static u8 pvc_read_data(void)
-{
- u32 data = pvc_reg_read();
- u8 byte;
- data |= picvue->rw;
- data &= ~picvue->rs;
- pvc_reg_write(data);
- ndelay(40);
- byte = pvc_read_byte(data);
- data |= picvue->rs;
- pvc_reg_write(data);
- return byte;
-}
-
-#define TIMEOUT 1000
-static int pvc_wait(void)
-{
- int i = TIMEOUT;
- int err = 0;
-
- while ((pvc_read_data() & PVC_BUSY) && i)
- i--;
- if (i == 0)
- err = -ETIME;
-
- return err;
-}
-
-#define MODE_INST 0
-#define MODE_DATA 1
-static void pvc_write(u8 byte, int mode)
-{
- u32 data = pvc_reg_read();
- data &= ~picvue->rw;
- if (mode == MODE_DATA)
- data |= picvue->rs;
- else
- data &= ~picvue->rs;
- pvc_reg_write(data);
- ndelay(40);
- pvc_write_byte(data, byte);
- if (mode == MODE_DATA)
- data &= ~picvue->rs;
- else
- data |= picvue->rs;
- pvc_reg_write(data);
- pvc_wait();
-}
-
-void pvc_write_string(const unsigned char *str, u8 addr, int line)
-{
- int i = 0;
-
- if (line > 0 && (PVC_NLINES > 1))
- addr += 0x40 * line;
- pvc_write(0x80 | addr, MODE_INST);
-
- while (*str != 0 && i < PVC_LINELEN) {
- pvc_write(*str++, MODE_DATA);
- i++;
- }
-}
-
-void pvc_write_string_centered(const unsigned char *str, int line)
-{
- int len = strlen(str);
- u8 addr;
-
- if (len > PVC_VISIBLE_CHARS)
- addr = 0;
- else
- addr = (PVC_VISIBLE_CHARS - strlen(str))/2;
-
- pvc_write_string(str, addr, line);
-}
-
-void pvc_dump_string(const unsigned char *str)
-{
- int len = strlen(str);
-
- pvc_write_string(str, 0, 0);
- if (len > PVC_VISIBLE_CHARS)
- pvc_write_string(&str[PVC_VISIBLE_CHARS], 0, 1);
-}
-
-#define BM_SIZE 8
-#define MAX_PROGRAMMABLE_CHARS 8
-int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE])
-{
- int i;
- int addr;
-
- if (charnum > MAX_PROGRAMMABLE_CHARS)
- return -ENOENT;
-
- addr = charnum * 8;
- pvc_write(0x40 | addr, MODE_INST);
-
- for (i = 0; i < BM_SIZE; i++)
- pvc_write(bitmap[i], MODE_DATA);
- return 0;
-}
-
-#define FUNC_SET_CMD 0x20
-#define EIGHT_BYTE (1 << 4)
-#define FOUR_BYTE 0
-#define TWO_LINES (1 << 3)
-#define ONE_LINE 0
-#define LARGE_FONT (1 << 2)
-#define SMALL_FONT 0
-
-static void pvc_funcset(u8 cmd)
-{
- pvc_write(FUNC_SET_CMD | (cmd & (EIGHT_BYTE|TWO_LINES|LARGE_FONT)),
- MODE_INST);
-}
-
-#define ENTRYMODE_CMD 0x4
-#define AUTO_INC (1 << 1)
-#define AUTO_DEC 0
-#define CURSOR_FOLLOWS_DISP (1 << 0)
-
-static void pvc_entrymode(u8 cmd)
-{
- pvc_write(ENTRYMODE_CMD | (cmd & (AUTO_INC|CURSOR_FOLLOWS_DISP)),
- MODE_INST);
-}
-
-#define DISP_CNT_CMD 0x08
-#define DISP_OFF 0
-#define DISP_ON (1 << 2)
-#define CUR_ON (1 << 1)
-#define CUR_BLINK (1 << 0)
-void pvc_dispcnt(u8 cmd)
-{
- pvc_write(DISP_CNT_CMD | (cmd & (DISP_ON|CUR_ON|CUR_BLINK)), MODE_INST);
-}
-
-#define MOVE_CMD 0x10
-#define DISPLAY (1 << 3)
-#define CURSOR 0
-#define RIGHT (1 << 2)
-#define LEFT 0
-void pvc_move(u8 cmd)
-{
- pvc_write(MOVE_CMD | (cmd & (DISPLAY|RIGHT)), MODE_INST);
-}
-
-#define CLEAR_CMD 0x1
-void pvc_clear(void)
-{
- pvc_write(CLEAR_CMD, MODE_INST);
-}
-
-#define HOME_CMD 0x2
-void pvc_home(void)
-{
- pvc_write(HOME_CMD, MODE_INST);
-}
-
-int pvc_init(void)
-{
- u8 cmd = EIGHT_BYTE;
-
- if (PVC_NLINES == 2)
- cmd |= (SMALL_FONT|TWO_LINES);
- else
- cmd |= (LARGE_FONT|ONE_LINE);
- pvc_funcset(cmd);
- pvc_dispcnt(DISP_ON);
- pvc_entrymode(AUTO_INC);
-
- pvc_clear();
- pvc_write_string_centered("Display", 0);
- pvc_write_string_centered("Initialized", 1);
-
- return 0;
-}
-
-module_init(pvc_init);
-MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
deleted file mode 100644
index 161d3bf50811..000000000000
--- a/arch/mips/lasat/picvue.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Picvue PVC160206 display driver
- *
- * Brian Murphy <brian.murphy@eicon.com>
- *
- */
-struct pvc_defs {
- volatile u32 *reg;
- u32 data_shift;
- u32 data_mask;
- u32 e;
- u32 rw;
- u32 rs;
-};
-
-extern struct pvc_defs *picvue;
-
-#define PVC_NLINES 2
-#define PVC_DISPMEM 80
-#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
-#define PVC_VISIBLE_CHARS 16
-
-void pvc_write_string(const unsigned char *str, u8 addr, int line);
-void pvc_write_string_centered(const unsigned char *str, int line);
-void pvc_dump_string(const unsigned char *str);
-
-#define BM_SIZE 8
-#define MAX_PROGRAMMABLE_CHARS 8
-int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
-
-void pvc_dispcnt(u8 cmd);
-#define DISP_OFF 0
-#define DISP_ON (1 << 2)
-#define CUR_ON (1 << 1)
-#define CUR_BLINK (1 << 0)
-
-void pvc_move(u8 cmd);
-#define DISPLAY (1 << 3)
-#define CURSOR 0
-#define RIGHT (1 << 2)
-#define LEFT 0
-
-void pvc_clear(void);
-void pvc_home(void);
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
deleted file mode 100644
index 61c033494af5..000000000000
--- a/arch/mips/lasat/picvue_proc.c
+++ /dev/null
@@ -1,208 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Picvue PVC160206 display driver
- *
- * Brian Murphy <brian.murphy@eicon.com>
- *
- */
-#include <linux/bug.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <linux/interrupt.h>
-
-#include <linux/timer.h>
-#include <linux/mutex.h>
-#include <linux/uaccess.h>
-
-#include "picvue.h"
-
-static DEFINE_MUTEX(pvc_mutex);
-static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
-static int pvc_linedata[PVC_NLINES];
-static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
-#define DISPLAY_DIR_NAME "display"
-static int scroll_dir, scroll_interval;
-
-static struct timer_list timer;
-
-static void pvc_display(unsigned long data)
-{
- int i;
-
- pvc_clear();
- for (i = 0; i < PVC_NLINES; i++)
- pvc_write_string(pvc_lines[i], 0, i);
-}
-
-static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
-
-static int pvc_line_proc_show(struct seq_file *m, void *v)
-{
- int lineno = *(int *)m->private;
-
- if (lineno < 0 || lineno >= PVC_NLINES) {
- printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
- return 0;
- }
-
- mutex_lock(&pvc_mutex);
- seq_printf(m, "%s\n", pvc_lines[lineno]);
- mutex_unlock(&pvc_mutex);
-
- return 0;
-}
-
-static int pvc_line_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pvc_line_proc_show, PDE_DATA(inode));
-}
-
-static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
- size_t count, loff_t *pos)
-{
- int lineno = *(int *)PDE_DATA(file_inode(file));
- char kbuf[PVC_LINELEN];
- size_t len;
-
- BUG_ON(lineno < 0 || lineno >= PVC_NLINES);
-
- len = min(count, sizeof(kbuf) - 1);
- if (copy_from_user(kbuf, buf, len))
- return -EFAULT;
- kbuf[len] = '\0';
-
- if (len > 0 && kbuf[len - 1] == '\n')
- len--;
-
- mutex_lock(&pvc_mutex);
- strncpy(pvc_lines[lineno], kbuf, len);
- pvc_lines[lineno][len] = '\0';
- mutex_unlock(&pvc_mutex);
-
- tasklet_schedule(&pvc_display_tasklet);
-
- return count;
-}
-
-static const struct proc_ops pvc_line_proc_ops = {
- .proc_open = pvc_line_proc_open,
- .proc_read = seq_read,
- .proc_lseek = seq_lseek,
- .proc_release = single_release,
- .proc_write = pvc_line_proc_write,
-};
-
-static ssize_t pvc_scroll_proc_write(struct file *file, const char __user *buf,
- size_t count, loff_t *pos)
-{
- char kbuf[42];
- size_t len;
- int cmd;
-
- len = min(count, sizeof(kbuf) - 1);
- if (copy_from_user(kbuf, buf, len))
- return -EFAULT;
- kbuf[len] = '\0';
-
- cmd = simple_strtol(kbuf, NULL, 10);
-
- mutex_lock(&pvc_mutex);
- if (scroll_interval != 0)
- del_timer(&timer);
-
- if (cmd == 0) {
- scroll_dir = 0;
- scroll_interval = 0;
- } else {
- if (cmd < 0) {
- scroll_dir = -1;
- scroll_interval = -cmd;
- } else {
- scroll_dir = 1;
- scroll_interval = cmd;
- }
- add_timer(&timer);
- }
- mutex_unlock(&pvc_mutex);
-
- return count;
-}
-
-static int pvc_scroll_proc_show(struct seq_file *m, void *v)
-{
- mutex_lock(&pvc_mutex);
- seq_printf(m, "%d\n", scroll_dir * scroll_interval);
- mutex_unlock(&pvc_mutex);
-
- return 0;
-}
-
-static int pvc_scroll_proc_open(struct inode *inode, struct file *file)
-{
- return single_open(file, pvc_scroll_proc_show, NULL);
-}
-
-static const struct proc_ops pvc_scroll_proc_ops = {
- .proc_open = pvc_scroll_proc_open,
- .proc_read = seq_read,
- .proc_lseek = seq_lseek,
- .proc_release = single_release,
- .proc_write = pvc_scroll_proc_write,
-};
-
-void pvc_proc_timerfunc(struct timer_list *unused)
-{
- if (scroll_dir < 0)
- pvc_move(DISPLAY|RIGHT);
- else if (scroll_dir > 0)
- pvc_move(DISPLAY|LEFT);
-
- timer.expires = jiffies + scroll_interval;
- add_timer(&timer);
-}
-
-static void pvc_proc_cleanup(void)
-{
- remove_proc_subtree(DISPLAY_DIR_NAME, NULL);
- del_timer_sync(&timer);
-}
-
-static int __init pvc_proc_init(void)
-{
- struct proc_dir_entry *dir, *proc_entry;
- int i;
-
- dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
- if (dir == NULL)
- goto error;
-
- for (i = 0; i < PVC_NLINES; i++) {
- strcpy(pvc_lines[i], "");
- pvc_linedata[i] = i;
- }
- for (i = 0; i < PVC_NLINES; i++) {
- proc_entry = proc_create_data(pvc_linename[i], 0644, dir,
- &pvc_line_proc_ops, &pvc_linedata[i]);
- if (proc_entry == NULL)
- goto error;
- }
- proc_entry = proc_create("scroll", 0644, dir, &pvc_scroll_proc_ops);
- if (proc_entry == NULL)
- goto error;
-
- timer_setup(&timer, pvc_proc_timerfunc, 0);
-
- return 0;
-error:
- pvc_proc_cleanup();
- return -ENOMEM;
-}
-
-module_init(pvc_proc_init);
-module_exit(pvc_proc_cleanup);
-MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
deleted file mode 100644
index 5ce1407de2d5..000000000000
--- a/arch/mips/lasat/prom.c
+++ /dev/null
@@ -1,126 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * PROM interface routines.
- */
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/ctype.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/memblock.h>
-#include <linux/ioport.h>
-#include <asm/bootinfo.h>
-#include <asm/lasat/lasat.h>
-#include <asm/cpu.h>
-#include <asm/setup.h>
-
-#include "at93c.h"
-#include <asm/lasat/eeprom.h>
-#include "prom.h"
-
-#define RESET_VECTOR 0xbfc00000
-#define PROM_JUMP_TABLE_ENTRY(n) (*((u32 *)(RESET_VECTOR + 0x20) + n))
-#define PROM_DISPLAY_ADDR PROM_JUMP_TABLE_ENTRY(0)
-#define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1)
-#define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2)
-
-static void null_prom_display(const char *string, int pos, int clear)
-{
-}
-
-static void null_prom_monitor(void)
-{
-}
-
-static void null_prom_putc(char c)
-{
-}
-
-/* these are functions provided by the bootloader */
-static void (*__prom_putc)(char c) = null_prom_putc;
-
-void prom_putchar(char c)
-{
- __prom_putc(c);
-}
-
-void (*prom_display)(const char *string, int pos, int clear) =
- null_prom_display;
-void (*prom_monitor)(void) = null_prom_monitor;
-
-unsigned int lasat_ndelay_divider;
-
-static void setup_prom_vectors(void)
-{
- u32 version = *(u32 *)(RESET_VECTOR + 0x90);
-
- if (version >= 307) {
- prom_display = (void *)PROM_DISPLAY_ADDR;
- __prom_putc = (void *)PROM_PUTC_ADDR;
- prom_monitor = (void *)PROM_MONITOR_ADDR;
- }
- printk(KERN_DEBUG "prom vectors set up\n");
-}
-
-static struct at93c_defs at93c_defs[N_MACHTYPES] = {
- {
- .reg = (void *)AT93C_REG_100,
- .rdata_reg = (void *)AT93C_RDATA_REG_100,
- .rdata_shift = AT93C_RDATA_SHIFT_100,
- .wdata_shift = AT93C_WDATA_SHIFT_100,
- .cs = AT93C_CS_M_100,
- .clk = AT93C_CLK_M_100
- }, {
- .reg = (void *)AT93C_REG_200,
- .rdata_reg = (void *)AT93C_RDATA_REG_200,
- .rdata_shift = AT93C_RDATA_SHIFT_200,
- .wdata_shift = AT93C_WDATA_SHIFT_200,
- .cs = AT93C_CS_M_200,
- .clk = AT93C_CLK_M_200
- },
-};
-
-void __init prom_init(void)
-{
- int argc = fw_arg0;
- char **argv = (char **) fw_arg1;
-
- setup_prom_vectors();
-
- if (IS_LASAT_200()) {
- printk(KERN_INFO "LASAT 200 board\n");
- lasat_ndelay_divider = LASAT_200_DIVIDER;
- at93c = &at93c_defs[1];
- } else {
- printk(KERN_INFO "LASAT 100 board\n");
- lasat_ndelay_divider = LASAT_100_DIVIDER;
- at93c = &at93c_defs[0];
- }
-
- lasat_init_board_info(); /* Read info from EEPROM */
-
- /* Get the command line */
- if (argc > 0) {
- strncpy(arcs_cmdline, argv[0], COMMAND_LINE_SIZE-1);
- arcs_cmdline[COMMAND_LINE_SIZE-1] = '\0';
- }
-
- /* Set the I/O base address */
- set_io_port_base(KSEG1);
-
- /* Set memory regions */
- ioport_resource.start = 0;
- ioport_resource.end = 0xffffffff; /* Wrong, fixme. */
-
- add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM);
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
-
-const char *get_system_type(void)
-{
- return lasat_board_info.li_bmstr;
-}
diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h
deleted file mode 100644
index 3d1df853e9d3..000000000000
--- a/arch/mips/lasat/prom.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __PROM_H
-#define __PROM_H
-
-extern void (*prom_display)(const char *string, int pos, int clear);
-extern void (*prom_monitor)(void);
-
-#endif /* __PROM_H */
diff --git a/arch/mips/lasat/reset.c b/arch/mips/lasat/reset.c
deleted file mode 100644
index 7c516ed9af15..000000000000
--- a/arch/mips/lasat/reset.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * Reset the LASAT board.
- */
-#include <linux/kernel.h>
-#include <linux/pm.h>
-
-#include <asm/reboot.h>
-#include <asm/lasat/lasat.h>
-
-#include "picvue.h"
-#include "prom.h"
-
-static void lasat_machine_restart(char *command);
-static void lasat_machine_halt(void);
-
-/* Used to set machine to boot in service mode via /proc interface */
-int lasat_boot_to_service;
-
-static void lasat_machine_restart(char *command)
-{
- local_irq_disable();
-
- if (lasat_boot_to_service) {
- *(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
- *(volatile unsigned int *)0xa00000fc = 0xfedeabba;
- }
- *lasat_misc->reset_reg = 0xbedead;
- for (;;) ;
-}
-
-static void lasat_machine_halt(void)
-{
- local_irq_disable();
-
- prom_monitor();
- for (;;) ;
-}
-
-void lasat_reboot_setup(void)
-{
- _machine_restart = lasat_machine_restart;
- _machine_halt = lasat_machine_halt;
- pm_power_off = lasat_machine_halt;
-}
diff --git a/arch/mips/lasat/serial.c b/arch/mips/lasat/serial.c
deleted file mode 100644
index 16b242713420..000000000000
--- a/arch/mips/lasat/serial.c
+++ /dev/null
@@ -1,80 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Registration of Lasat UART platform device.
- *
- * Copyright (C) 2007 Brian Murphy <brian@murphy.dk>
- */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-#include <linux/serial_8250.h>
-
-#include <asm/lasat/lasat.h>
-#include <asm/lasat/serial.h>
-
-static struct resource lasat_serial_res[2] __initdata;
-
-static struct plat_serial8250_port lasat_serial8250_port[] = {
- {
- .iotype = UPIO_MEM,
- .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF |
- UPF_SKIP_TEST,
- },
- {},
-};
-
-static __init int lasat_uart_add(void)
-{
- struct platform_device *pdev;
- int retval;
-
- pdev = platform_device_alloc("serial8250", -1);
- if (!pdev)
- return -ENOMEM;
-
- if (!IS_LASAT_200()) {
- lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100);
- lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1;
- lasat_serial_res[0].flags = IORESOURCE_MEM;
- lasat_serial_res[1].start = LASATINT_UART_100;
- lasat_serial_res[1].end = LASATINT_UART_100;
- lasat_serial_res[1].flags = IORESOURCE_IRQ;
-
- lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100;
- lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16;
- lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100;
- lasat_serial8250_port[0].irq = LASATINT_UART_100;
- } else {
- lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200);
- lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1;
- lasat_serial_res[0].flags = IORESOURCE_MEM;
- lasat_serial_res[1].start = LASATINT_UART_200;
- lasat_serial_res[1].end = LASATINT_UART_200;
- lasat_serial_res[1].flags = IORESOURCE_IRQ;
-
- lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200;
- lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16;
- lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200;
- lasat_serial8250_port[0].irq = LASATINT_UART_200;
- }
-
- pdev->id = PLAT8250_DEV_PLATFORM;
- pdev->dev.platform_data = lasat_serial8250_port;
-
- retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res));
- if (retval)
- goto err_free_device;
-
- retval = platform_device_add(pdev);
- if (retval)
- goto err_free_device;
-
- return 0;
-
-err_free_device:
- platform_device_put(pdev);
-
- return retval;
-}
-device_initcall(lasat_uart_add);
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
deleted file mode 100644
index 0743243fd86d..000000000000
--- a/arch/mips/lasat/setup.c
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
- *
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * Brian Murphy <brian@murphy.dk>
- *
- * Lasat specific setup.
- */
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-
-#include <asm/time.h>
-#include <asm/cpu.h>
-#include <asm/bootinfo.h>
-#include <asm/irq.h>
-#include <asm/lasat/lasat.h>
-#include <asm/lasat/serial.h>
-
-#ifdef CONFIG_PICVUE
-#include <linux/notifier.h>
-#endif
-
-#include "ds1603.h"
-#include <asm/lasat/ds1603.h>
-#include <asm/lasat/picvue.h>
-#include <asm/lasat/eeprom.h>
-
-#include "prom.h"
-
-int lasat_command_line;
-void lasatint_init(void);
-
-extern void lasat_reboot_setup(void);
-extern void pcisetup(void);
-extern void edhac_init(void *, void *, void *);
-extern void addrflt_init(void);
-
-struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
- {
- .reset_reg = (void *)KSEG1ADDR(0x1c840000),
- .flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
- }, {
- .reset_reg = (void *)KSEG1ADDR(0x11080000),
- .flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
- }
-};
-
-struct lasat_misc *lasat_misc;
-
-#ifdef CONFIG_DS1603
-static struct ds_defs ds_defs[N_MACHTYPES] = {
- { (void *)DS1603_REG_100, (void *)DS1603_REG_100,
- DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
- DS1603_DATA_SHIFT_100, 0, 0 },
- { (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
- DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
- DS1603_DATA_READ_SHIFT_200, 1, 2000 }
-};
-#endif
-
-#ifdef CONFIG_PICVUE
-#include "picvue.h"
-static struct pvc_defs pvc_defs[N_MACHTYPES] = {
- { (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
- PVC_E_100, PVC_RW_100, PVC_RS_100 },
- { (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
- PVC_E_200, PVC_RW_200, PVC_RS_200 }
-};
-#endif
-
-static int lasat_panic_display(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
-#ifdef CONFIG_PICVUE
- unsigned char *string = ptr;
- if (string == NULL)
- string = "Kernel Panic";
- pvc_dump_string(string);
-#endif
- return NOTIFY_DONE;
-}
-
-static int lasat_panic_prom_monitor(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
- prom_monitor();
- return NOTIFY_DONE;
-}
-
-static struct notifier_block lasat_panic_block[] =
-{
- {
- .notifier_call = lasat_panic_display,
- .priority = INT_MAX
- }, {
- .notifier_call = lasat_panic_prom_monitor,
- .priority = INT_MIN
- }
-};
-
-void __init plat_time_init(void)
-{
- mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
-
- change_c0_status(ST0_IM, IE_IRQ0);
-}
-
-void __init plat_mem_setup(void)
-{
- int i;
- int lasat_type = IS_LASAT_200() ? 1 : 0;
-
- lasat_misc = &lasat_misc_info[lasat_type];
-#ifdef CONFIG_PICVUE
- picvue = &pvc_defs[lasat_type];
-#endif
-
- /* Set up panic notifier */
- for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
- atomic_notifier_chain_register(&panic_notifier_list,
- &lasat_panic_block[i]);
-
- lasat_reboot_setup();
-
-#ifdef CONFIG_DS1603
- ds1603 = &ds_defs[lasat_type];
-#endif
-
-#ifdef DYNAMIC_SERIAL_INIT
- serial_init();
-#endif
-
- pr_info("Lasat specific initialization complete\n");
-}
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
deleted file mode 100644
index e666fe26c50d..000000000000
--- a/arch/mips/lasat/sysctl.c
+++ /dev/null
@@ -1,268 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Thomas Horsten <thh@lasat.com>
- * Copyright (C) 2000 LASAT Networks A/S.
- *
- * Routines specific to the LASAT boards
- */
-#include <linux/types.h>
-#include <asm/lasat/lasat.h>
-
-#include <linux/sysctl.h>
-#include <linux/stddef.h>
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/net.h>
-#include <linux/inet.h>
-#include <linux/uaccess.h>
-
-#include <asm/time.h>
-
-#ifdef CONFIG_DS1603
-#include "ds1603.h"
-#endif
-
-
-/* And the same for proc */
-int proc_dolasatstring(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
-
- r = proc_dostring(table, write, buffer, lenp, ppos);
- if ((!write) || r)
- return r;
-
- lasat_write_eeprom_info();
-
- return 0;
-}
-
-#ifdef CONFIG_DS1603
-static int rtctmp;
-
-/* proc function to read/write RealTime Clock */
-int proc_dolasatrtc(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- struct timespec64 ts;
- int r;
-
- if (!write) {
- read_persistent_clock64(&ts);
- rtctmp = ts.tv_sec;
- /* check for time < 0 and set to 0 */
- if (rtctmp < 0)
- rtctmp = 0;
- }
- r = proc_dointvec(table, write, buffer, lenp, ppos);
- if (r)
- return r;
-
- if (write) {
- /*
- * Due to the RTC hardware limitation, we can not actually
- * use the full 64-bit range here.
- */
- ts.tv_sec = rtctmp;
- ts.tv_nsec = 0;
-
- update_persistent_clock64(ts);
- }
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_INET
-int proc_lasat_ip(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- unsigned int ip;
- char *p, c;
- int len;
- char ipbuf[32];
-
- if (!table->data || !table->maxlen || !*lenp ||
- (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- if (write) {
- len = 0;
- p = buffer;
- while (len < *lenp) {
- if (get_user(c, p++))
- return -EFAULT;
- if (c == 0 || c == '\n')
- break;
- len++;
- }
- if (len >= sizeof(ipbuf)-1)
- len = sizeof(ipbuf) - 1;
- if (copy_from_user(ipbuf, buffer, len))
- return -EFAULT;
- ipbuf[len] = 0;
- *ppos += *lenp;
- /* Now see if we can convert it to a valid IP */
- ip = in_aton(ipbuf);
- *(unsigned int *)(table->data) = ip;
- lasat_write_eeprom_info();
- } else {
- ip = *(unsigned int *)(table->data);
- sprintf(ipbuf, "%d.%d.%d.%d",
- (ip) & 0xff,
- (ip >> 8) & 0xff,
- (ip >> 16) & 0xff,
- (ip >> 24) & 0xff);
- len = strlen(ipbuf);
- if (len > *lenp)
- len = *lenp;
- if (len)
- if (copy_to_user(buffer, ipbuf, len))
- return -EFAULT;
- if (len < *lenp) {
- if (put_user('\n', ((char *) buffer) + len))
- return -EFAULT;
- len++;
- }
- *lenp = len;
- *ppos += len;
- }
-
- return 0;
-}
-#endif
-
-int proc_lasat_prid(struct ctl_table *table, int write,
- void *buffer, size_t *lenp, loff_t *ppos)
-{
- int r;
-
- r = proc_dointvec(table, write, buffer, lenp, ppos);
- if (r < 0)
- return r;
- if (write) {
- lasat_board_info.li_eeprom_info.prid =
- lasat_board_info.li_prid;
- lasat_write_eeprom_info();
- lasat_init_board_info();
- }
- return 0;
-}
-
-extern int lasat_boot_to_service;
-
-static struct ctl_table lasat_table[] = {
- {
- .procname = "cpu-hz",
- .data = &lasat_board_info.li_cpu_hz,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "bus-hz",
- .data = &lasat_board_info.li_bus_hz,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "bmid",
- .data = &lasat_board_info.li_bmid,
- .maxlen = sizeof(int),
- .mode = 0444,
- .proc_handler = proc_dointvec,
- },
- {
- .procname = "prid",
- .data = &lasat_board_info.li_prid,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_lasat_prid,
- },
-#ifdef CONFIG_INET
- {
- .procname = "ipaddr",
- .data = &lasat_board_info.li_eeprom_info.ipaddr,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_lasat_ip,
- },
- {
- .procname = "netmask",
- .data = &lasat_board_info.li_eeprom_info.netmask,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_lasat_ip,
- },
-#endif
- {
- .procname = "passwd_hash",
- .data = &lasat_board_info.li_eeprom_info.passwd_hash,
- .maxlen =
- sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
- .mode = 0600,
- .proc_handler = proc_dolasatstring,
- },
- {
- .procname = "boot-service",
- .data = &lasat_boot_to_service,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dointvec,
- },
-#ifdef CONFIG_DS1603
- {
- .procname = "rtc",
- .data = &rtctmp,
- .maxlen = sizeof(int),
- .mode = 0644,
- .proc_handler = proc_dolasatrtc,
- },
-#endif
- {
- .procname = "namestr",
- .data = &lasat_board_info.li_namestr,
- .maxlen = sizeof(lasat_board_info.li_namestr),
- .mode = 0444,
- .proc_handler = proc_dostring,
- },
- {
- .procname = "typestr",
- .data = &lasat_board_info.li_typestr,
- .maxlen = sizeof(lasat_board_info.li_typestr),
- .mode = 0444,
- .proc_handler = proc_dostring,
- },
- {}
-};
-
-static struct ctl_table lasat_root_table[] = {
- {
- .procname = "lasat",
- .mode = 0555,
- .child = lasat_table
- },
- {}
-};
-
-static int __init lasat_register_sysctl(void)
-{
- struct ctl_table_header *lasat_table_header;
-
- lasat_table_header =
- register_sysctl_table(lasat_root_table);
- if (!lasat_table_header) {
- printk(KERN_ERR "Unable to register LASAT sysctl\n");
- return -ENOMEM;
- }
-
- return 0;
-}
-
-arch_initcall(lasat_register_sysctl);
diff --git a/arch/mips/lib/csum_partial.S b/arch/mips/lib/csum_partial.S
index fda7b57b826e..87fda0713b84 100644
--- a/arch/mips/lib/csum_partial.S
+++ b/arch/mips/lib/csum_partial.S
@@ -279,7 +279,8 @@ EXPORT_SYMBOL(csum_partial)
#endif
/* odd buffer alignment? */
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_LOONGSON64)
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_LOONGSON64)
.set push
.set arch=mips32r2
wsbh v1, sum
@@ -732,7 +733,8 @@ EXPORT_SYMBOL(csum_partial)
addu sum, v1
#endif
-#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_LOONGSON64)
+#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR5) || \
+ defined(CONFIG_CPU_LOONGSON64)
.set push
.set arch=mips32r2
wsbh v1, sum
diff --git a/arch/mips/loongson2ef/Kconfig b/arch/mips/loongson2ef/Kconfig
index 595dd48e1e4d..96dc6eba4310 100644
--- a/arch/mips/loongson2ef/Kconfig
+++ b/arch/mips/loongson2ef/Kconfig
@@ -46,7 +46,6 @@ config LEMOTE_MACH2F
select CSRC_R4K if ! MIPS_EXTERNAL_TIMER
select DMA_NONCOHERENT
select GENERIC_ISA_DMA_SUPPORT_BROKEN
- select HAVE_CLK
select FORCE_PCI
select I8259
select IRQ_MIPS_CPU
diff --git a/arch/mips/loongson2ef/Platform b/arch/mips/loongson2ef/Platform
index 3aca42963f35..cdad3c1a9a18 100644
--- a/arch/mips/loongson2ef/Platform
+++ b/arch/mips/loongson2ef/Platform
@@ -26,7 +26,6 @@ endif
# Loongson Machines' Support
#
-platform-$(CONFIG_MACH_LOONGSON2EF) += loongson2ef/
cflags-$(CONFIG_MACH_LOONGSON2EF) += -I$(srctree)/arch/mips/include/asm/mach-loongson2ef -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
diff --git a/arch/mips/loongson2ef/common/init.c b/arch/mips/loongson2ef/common/init.c
index 45512178be77..ce3f02f75e2a 100644
--- a/arch/mips/loongson2ef/common/init.c
+++ b/arch/mips/loongson2ef/common/init.c
@@ -19,10 +19,10 @@ unsigned long __maybe_unused _loongson_addrwincfg_base;
static void __init mips_nmi_setup(void)
{
void *base;
- extern char except_vec_nmi;
+ extern char except_vec_nmi[];
base = (void *)(CAC_BASE + 0x380);
- memcpy(base, &except_vec_nmi, 0x80);
+ memcpy(base, except_vec_nmi, 0x80);
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
diff --git a/arch/mips/loongson2ef/lemote-2f/clock.c b/arch/mips/loongson2ef/lemote-2f/clock.c
index 414f282c8ab5..850b6b9f8f15 100644
--- a/arch/mips/loongson2ef/lemote-2f/clock.c
+++ b/arch/mips/loongson2ef/lemote-2f/clock.c
@@ -6,22 +6,12 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
-#include <linux/clk.h>
#include <linux/cpufreq.h>
#include <linux/errno.h>
#include <linux/export.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/spinlock.h>
-#include <asm/clock.h>
#include <asm/mach-loongson2ef/loongson.h>
-static LIST_HEAD(clock_list);
-static DEFINE_SPINLOCK(clock_lock);
-static DEFINE_MUTEX(clock_list_sem);
-
-/* Minimum CLK support */
enum {
DC_ZERO, DC_25PT = 2, DC_37PT, DC_50PT, DC_62PT, DC_75PT,
DC_87PT, DC_DISABLE, DC_RESV
@@ -41,103 +31,21 @@ struct cpufreq_frequency_table loongson2_clockmod_table[] = {
};
EXPORT_SYMBOL_GPL(loongson2_clockmod_table);
-static struct clk cpu_clk = {
- .name = "cpu_clk",
- .flags = CLK_ALWAYS_ENABLED | CLK_RATE_PROPAGATES,
- .rate = 800000000,
-};
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- return &cpu_clk;
-}
-EXPORT_SYMBOL(clk_get);
-
-static void propagate_rate(struct clk *clk)
-{
- struct clk *clkp;
-
- list_for_each_entry(clkp, &clock_list, node) {
- if (likely(clkp->parent != clk))
- continue;
- if (likely(clkp->ops && clkp->ops->recalc))
- clkp->ops->recalc(clkp);
- if (unlikely(clkp->flags & CLK_RATE_PROPAGATES))
- propagate_rate(clkp);
- }
-}
-
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
+int loongson2_cpu_set_rate(unsigned long rate_khz)
{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return (unsigned long)clk->rate;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- unsigned int rate_khz = rate / 1000;
struct cpufreq_frequency_table *pos;
- int ret = 0;
int regval;
- if (likely(clk->ops && clk->ops->set_rate)) {
- unsigned long flags;
-
- spin_lock_irqsave(&clock_lock, flags);
- ret = clk->ops->set_rate(clk, rate, 0);
- spin_unlock_irqrestore(&clock_lock, flags);
- }
-
- if (unlikely(clk->flags & CLK_RATE_PROPAGATES))
- propagate_rate(clk);
-
cpufreq_for_each_valid_entry(pos, loongson2_clockmod_table)
if (rate_khz == pos->frequency)
break;
if (rate_khz != pos->frequency)
return -ENOTSUPP;
- clk->rate = rate;
-
regval = readl(LOONGSON_CHIPCFG);
regval = (regval & ~0x7) | (pos->driver_data - 1);
writel(regval, LOONGSON_CHIPCFG);
- return ret;
-}
-EXPORT_SYMBOL_GPL(clk_set_rate);
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- if (likely(clk->ops && clk->ops->round_rate)) {
- unsigned long flags, rounded;
-
- spin_lock_irqsave(&clock_lock, flags);
- rounded = clk->ops->round_rate(clk, rate);
- spin_unlock_irqrestore(&clock_lock, flags);
-
- return rounded;
- }
-
- return rate;
+ return 0;
}
-EXPORT_SYMBOL_GPL(clk_round_rate);
+EXPORT_SYMBOL_GPL(loongson2_cpu_set_rate);
diff --git a/arch/mips/loongson32/Platform b/arch/mips/loongson32/Platform
index 7f8e342f1ef5..3b9673e7a2fa 100644
--- a/arch/mips/loongson32/Platform
+++ b/arch/mips/loongson32/Platform
@@ -1,4 +1,3 @@
cflags-$(CONFIG_CPU_LOONGSON32) += -march=mips32r2 -Wa,--trap
-platform-$(CONFIG_MACH_LOONGSON32) += loongson32/
cflags-$(CONFIG_MACH_LOONGSON32) += -I$(srctree)/arch/mips/include/asm/mach-loongson32
load-$(CONFIG_CPU_LOONGSON32) += 0xffffffff80200000
diff --git a/arch/mips/loongson64/Kconfig b/arch/mips/loongson64/Kconfig
index 48b29c198acf..517f1f8e81fb 100644
--- a/arch/mips/loongson64/Kconfig
+++ b/arch/mips/loongson64/Kconfig
@@ -4,18 +4,12 @@ if MACH_LOONGSON64
config RS780_HPET
bool "RS780/SBX00 HPET Timer"
depends on MACH_LOONGSON64
+ depends on BROKEN
select MIPS_EXTERNAL_TIMER
help
This option enables the hpet timer of AMD RS780/SBX00.
- If you want to enable the Loongson3 CPUFreq Driver, Please enable
- this option at first, otherwise, You will get wrong system time.
-
- If unsure, say Yes.
-
-
-config LOONGSON_MC146818
- bool
- default n
+ Note: This driver is doing some dangerous hack. Please only enable
+ it on RS780E systems.
endif # MACH_LOONGSON64
diff --git a/arch/mips/loongson64/Makefile b/arch/mips/loongson64/Makefile
index b7f40b179c71..39c06f52b08f 100644
--- a/arch/mips/loongson64/Makefile
+++ b/arch/mips/loongson64/Makefile
@@ -2,12 +2,12 @@
#
# Makefile for Loongson-3 family machines
#
-obj-$(CONFIG_MACH_LOONGSON64) += cop2-ex.o platform.o acpi_init.o dma.o \
+obj-$(CONFIG_MACH_LOONGSON64) += cop2-ex.o platform.o dma.o \
setup.o init.o env.o time.o reset.o \
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_NUMA) += numa.o
obj-$(CONFIG_RS780_HPET) += hpet.o
-obj-$(CONFIG_PCI) += pci.o
-obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
obj-$(CONFIG_SUSPEND) += pm.o
+obj-$(CONFIG_PCI_QUIRKS) += vbios_quirk.o
+obj-$(CONFIG_CPU_LOONGSON3_CPUCFG_EMULATION) += cpucfg-emul.o
diff --git a/arch/mips/loongson64/Platform b/arch/mips/loongson64/Platform
index d5eb94c9edb4..ec42c5085905 100644
--- a/arch/mips/loongson64/Platform
+++ b/arch/mips/loongson64/Platform
@@ -55,6 +55,5 @@ cflags-y += $(call cc-option,-mno-loongson-mmi)
# Loongson Machines' Support
#
-platform-$(CONFIG_MACH_LOONGSON64) += loongson64/
cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely
load-$(CONFIG_CPU_LOONGSON64) += 0xffffffff80200000
diff --git a/arch/mips/loongson64/cop2-ex.c b/arch/mips/loongson64/cop2-ex.c
index 9efdfe430ff0..f130f62129b8 100644
--- a/arch/mips/loongson64/cop2-ex.c
+++ b/arch/mips/loongson64/cop2-ex.c
@@ -14,17 +14,30 @@
#include <linux/sched.h>
#include <linux/notifier.h>
#include <linux/ptrace.h>
+#include <linux/uaccess.h>
+#include <linux/sched/signal.h>
#include <asm/fpu.h>
#include <asm/cop2.h>
+#include <asm/inst.h>
+#include <asm/branch.h>
#include <asm/current.h>
#include <asm/mipsregs.h>
+#include <asm/unaligned-emul.h>
static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action,
void *data)
{
- int fpu_owned;
+ unsigned int res, fpu_owned;
+ unsigned long ra, value, value_next;
+ union mips_instruction insn;
int fr = !test_thread_flag(TIF_32BIT_FPREGS);
+ struct pt_regs *regs = (struct pt_regs *)data;
+ void __user *addr = (void __user *)regs->cp0_badvaddr;
+ unsigned int __user *pc = (unsigned int __user *)exception_epc(regs);
+
+ ra = regs->regs[31];
+ __get_user(insn.word, pc);
switch (action) {
case CU2_EXCEPTION:
@@ -49,9 +62,284 @@ static int loongson_cu2_call(struct notifier_block *nfb, unsigned long action,
preempt_enable();
return NOTIFY_STOP; /* Don't call default notifier */
+
+ case CU2_LWC2_OP:
+ if (insn.loongson3_lswc2_format.ls == 0)
+ goto sigbus;
+
+ if (insn.loongson3_lswc2_format.fr == 0) { /* gslq */
+ if (!access_ok(addr, 16))
+ goto sigbus;
+
+ LoadDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ LoadDW(addr + 8, value_next, res);
+ if (res)
+ goto fault;
+
+ regs->regs[insn.loongson3_lswc2_format.rt] = value;
+ regs->regs[insn.loongson3_lswc2_format.rq] = value_next;
+ compute_return_epc(regs);
+ } else { /* gslqc1 */
+ if (!access_ok(addr, 16))
+ goto sigbus;
+
+ lose_fpu(1);
+ LoadDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ LoadDW(addr + 8, value_next, res);
+ if (res)
+ goto fault;
+
+ set_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lswc2_format.rt, value);
+ set_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lswc2_format.rq, value_next);
+ compute_return_epc(regs);
+ own_fpu(1);
+ }
+ return NOTIFY_STOP; /* Don't call default notifier */
+
+ case CU2_SWC2_OP:
+ if (insn.loongson3_lswc2_format.ls == 0)
+ goto sigbus;
+
+ if (insn.loongson3_lswc2_format.fr == 0) { /* gssq */
+ if (!access_ok(addr, 16))
+ goto sigbus;
+
+ /* write upper 8 bytes first */
+ value_next = regs->regs[insn.loongson3_lswc2_format.rq];
+
+ StoreDW(addr + 8, value_next, res);
+ if (res)
+ goto fault;
+ value = regs->regs[insn.loongson3_lswc2_format.rt];
+
+ StoreDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ } else { /* gssqc1 */
+ if (!access_ok(addr, 16))
+ goto sigbus;
+
+ lose_fpu(1);
+ value_next = get_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lswc2_format.rq);
+
+ StoreDW(addr + 8, value_next, res);
+ if (res)
+ goto fault;
+
+ value = get_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lswc2_format.rt);
+
+ StoreDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ own_fpu(1);
+ }
+ return NOTIFY_STOP; /* Don't call default notifier */
+
+ case CU2_LDC2_OP:
+ switch (insn.loongson3_lsdc2_format.opcode1) {
+ /*
+ * Loongson-3 overridden ldc2 instructions.
+ * opcode1 instruction
+ * 0x1 gslhx: load 2 bytes to GPR
+ * 0x2 gslwx: load 4 bytes to GPR
+ * 0x3 gsldx: load 8 bytes to GPR
+ * 0x6 gslwxc1: load 4 bytes to FPR
+ * 0x7 gsldxc1: load 8 bytes to FPR
+ */
+ case 0x1:
+ if (!access_ok(addr, 2))
+ goto sigbus;
+
+ LoadHW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ regs->regs[insn.loongson3_lsdc2_format.rt] = value;
+ break;
+ case 0x2:
+ if (!access_ok(addr, 4))
+ goto sigbus;
+
+ LoadW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ regs->regs[insn.loongson3_lsdc2_format.rt] = value;
+ break;
+ case 0x3:
+ if (!access_ok(addr, 8))
+ goto sigbus;
+
+ LoadDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ regs->regs[insn.loongson3_lsdc2_format.rt] = value;
+ break;
+ case 0x6:
+ die_if_kernel("Unaligned FP access in kernel code", regs);
+ BUG_ON(!used_math());
+ if (!access_ok(addr, 4))
+ goto sigbus;
+
+ lose_fpu(1);
+ LoadW(addr, value, res);
+ if (res)
+ goto fault;
+
+ set_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lsdc2_format.rt, value);
+ compute_return_epc(regs);
+ own_fpu(1);
+
+ break;
+ case 0x7:
+ die_if_kernel("Unaligned FP access in kernel code", regs);
+ BUG_ON(!used_math());
+ if (!access_ok(addr, 8))
+ goto sigbus;
+
+ lose_fpu(1);
+ LoadDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ set_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lsdc2_format.rt, value);
+ compute_return_epc(regs);
+ own_fpu(1);
+ break;
+
+ }
+ return NOTIFY_STOP; /* Don't call default notifier */
+
+ case CU2_SDC2_OP:
+ switch (insn.loongson3_lsdc2_format.opcode1) {
+ /*
+ * Loongson-3 overridden sdc2 instructions.
+ * opcode1 instruction
+ * 0x1 gsshx: store 2 bytes from GPR
+ * 0x2 gsswx: store 4 bytes from GPR
+ * 0x3 gssdx: store 8 bytes from GPR
+ * 0x6 gsswxc1: store 4 bytes from FPR
+ * 0x7 gssdxc1: store 8 bytes from FPR
+ */
+ case 0x1:
+ if (!access_ok(addr, 2))
+ goto sigbus;
+
+ compute_return_epc(regs);
+ value = regs->regs[insn.loongson3_lsdc2_format.rt];
+
+ StoreHW(addr, value, res);
+ if (res)
+ goto fault;
+
+ break;
+ case 0x2:
+ if (!access_ok(addr, 4))
+ goto sigbus;
+
+ compute_return_epc(regs);
+ value = regs->regs[insn.loongson3_lsdc2_format.rt];
+
+ StoreW(addr, value, res);
+ if (res)
+ goto fault;
+
+ break;
+ case 0x3:
+ if (!access_ok(addr, 8))
+ goto sigbus;
+
+ compute_return_epc(regs);
+ value = regs->regs[insn.loongson3_lsdc2_format.rt];
+
+ StoreDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ break;
+
+ case 0x6:
+ die_if_kernel("Unaligned FP access in kernel code", regs);
+ BUG_ON(!used_math());
+
+ if (!access_ok(addr, 4))
+ goto sigbus;
+
+ lose_fpu(1);
+ value = get_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lsdc2_format.rt);
+
+ StoreW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ own_fpu(1);
+
+ break;
+ case 0x7:
+ die_if_kernel("Unaligned FP access in kernel code", regs);
+ BUG_ON(!used_math());
+
+ if (!access_ok(addr, 8))
+ goto sigbus;
+
+ lose_fpu(1);
+ value = get_fpr64(current->thread.fpu.fpr,
+ insn.loongson3_lsdc2_format.rt);
+
+ StoreDW(addr, value, res);
+ if (res)
+ goto fault;
+
+ compute_return_epc(regs);
+ own_fpu(1);
+
+ break;
+ }
+ return NOTIFY_STOP; /* Don't call default notifier */
}
return NOTIFY_OK; /* Let default notifier send signals */
+
+fault:
+ /* roll back jump/branch */
+ regs->regs[31] = ra;
+ regs->cp0_epc = (unsigned long)pc;
+ /* Did we have an exception handler installed? */
+ if (fixup_exception(regs))
+ return NOTIFY_STOP; /* Don't call default notifier */
+
+ die_if_kernel("Unhandled kernel unaligned access", regs);
+ force_sig(SIGSEGV);
+
+ return NOTIFY_STOP; /* Don't call default notifier */
+
+sigbus:
+ die_if_kernel("Unhandled kernel unaligned access", regs);
+ force_sig(SIGBUS);
+
+ return NOTIFY_STOP; /* Don't call default notifier */
}
static int __init loongson_cu2_setup(void)
diff --git a/arch/mips/loongson64/cpucfg-emul.c b/arch/mips/loongson64/cpucfg-emul.c
new file mode 100644
index 000000000000..cd619b47ba1f
--- /dev/null
+++ b/arch/mips/loongson64/cpucfg-emul.c
@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/smp.h>
+#include <linux/types.h>
+#include <asm/cpu.h>
+#include <asm/cpu-info.h>
+#include <asm/elf.h>
+
+#include <loongson_regs.h>
+#include <cpucfg-emul.h>
+
+static bool is_loongson(struct cpuinfo_mips *c)
+{
+ switch (c->processor_id & PRID_COMP_MASK) {
+ case PRID_COMP_LEGACY:
+ return ((c->processor_id & PRID_IMP_MASK) ==
+ PRID_IMP_LOONGSON_64C);
+
+ case PRID_COMP_LOONGSON:
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static u32 get_loongson_fprev(struct cpuinfo_mips *c)
+{
+ return c->fpu_id & LOONGSON_FPREV_MASK;
+}
+
+static bool cpu_has_uca(void)
+{
+ u32 diag = read_c0_diag();
+ u32 new_diag;
+
+ if (diag & LOONGSON_DIAG_UCAC)
+ /* UCA is already enabled. */
+ return true;
+
+ /* See if UCAC bit can be flipped on. This should be safe. */
+ new_diag = diag | LOONGSON_DIAG_UCAC;
+ write_c0_diag(new_diag);
+ new_diag = read_c0_diag();
+ write_c0_diag(diag);
+
+ return (new_diag & LOONGSON_DIAG_UCAC) != 0;
+}
+
+static void probe_uca(struct cpuinfo_mips *c)
+{
+ if (cpu_has_uca())
+ c->loongson3_cpucfg_data[0] |= LOONGSON_CFG1_LSUCA;
+}
+
+static void decode_loongson_config6(struct cpuinfo_mips *c)
+{
+ u32 config6 = read_c0_config6();
+
+ if (config6 & MIPS_CONF6_LOONGSON_SFBEN)
+ c->loongson3_cpucfg_data[0] |= LOONGSON_CFG1_SFBP;
+ if (config6 & MIPS_CONF6_LOONGSON_LLEXC)
+ c->loongson3_cpucfg_data[0] |= LOONGSON_CFG1_LLEXC;
+ if (config6 & MIPS_CONF6_LOONGSON_SCRAND)
+ c->loongson3_cpucfg_data[0] |= LOONGSON_CFG1_SCRAND;
+}
+
+static void patch_cpucfg_sel1(struct cpuinfo_mips *c)
+{
+ u64 ases = c->ases;
+ u64 options = c->options;
+ u32 data = c->loongson3_cpucfg_data[0];
+
+ if (options & MIPS_CPU_FPU) {
+ data |= LOONGSON_CFG1_FP;
+ data |= get_loongson_fprev(c) << LOONGSON_CFG1_FPREV_OFFSET;
+ }
+ if (ases & MIPS_ASE_LOONGSON_MMI)
+ data |= LOONGSON_CFG1_MMI;
+ if (ases & MIPS_ASE_MSA)
+ data |= LOONGSON_CFG1_MSA1;
+
+ c->loongson3_cpucfg_data[0] = data;
+}
+
+static void patch_cpucfg_sel2(struct cpuinfo_mips *c)
+{
+ u64 ases = c->ases;
+ u64 options = c->options;
+ u32 data = c->loongson3_cpucfg_data[1];
+
+ if (ases & MIPS_ASE_LOONGSON_EXT)
+ data |= LOONGSON_CFG2_LEXT1;
+ if (ases & MIPS_ASE_LOONGSON_EXT2)
+ data |= LOONGSON_CFG2_LEXT2;
+ if (options & MIPS_CPU_LDPTE)
+ data |= LOONGSON_CFG2_LSPW;
+
+ if (ases & MIPS_ASE_VZ)
+ data |= LOONGSON_CFG2_LVZP;
+ else
+ data &= ~LOONGSON_CFG2_LVZREV;
+
+ c->loongson3_cpucfg_data[1] = data;
+}
+
+static void patch_cpucfg_sel3(struct cpuinfo_mips *c)
+{
+ u64 ases = c->ases;
+ u32 data = c->loongson3_cpucfg_data[2];
+
+ if (ases & MIPS_ASE_LOONGSON_CAM) {
+ data |= LOONGSON_CFG3_LCAMP;
+ } else {
+ data &= ~LOONGSON_CFG3_LCAMREV;
+ data &= ~LOONGSON_CFG3_LCAMNUM;
+ data &= ~LOONGSON_CFG3_LCAMKW;
+ data &= ~LOONGSON_CFG3_LCAMVW;
+ }
+
+ c->loongson3_cpucfg_data[2] = data;
+}
+
+void loongson3_cpucfg_synthesize_data(struct cpuinfo_mips *c)
+{
+ /* Only engage the logic on Loongson processors. */
+ if (!is_loongson(c))
+ return;
+
+ /* CPUs with CPUCFG support don't need to synthesize anything. */
+ if (cpu_has_cfg())
+ goto have_cpucfg_now;
+
+ c->loongson3_cpucfg_data[0] = 0;
+ c->loongson3_cpucfg_data[1] = 0;
+ c->loongson3_cpucfg_data[2] = 0;
+
+ /* Add CPUCFG features non-discoverable otherwise. */
+ switch (c->processor_id & (PRID_IMP_MASK | PRID_REV_MASK)) {
+ case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_0:
+ case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_1:
+ case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_2:
+ case PRID_IMP_LOONGSON_64R | PRID_REV_LOONGSON2K_R1_3:
+ decode_loongson_config6(c);
+ probe_uca(c);
+
+ c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 |
+ LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LLSYNC |
+ LOONGSON_CFG1_TGTSYNC);
+ c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 |
+ LOONGSON_CFG2_LBT2 | LOONGSON_CFG2_LPMP |
+ LOONGSON_CFG2_LPM_REV2);
+ c->loongson3_cpucfg_data[2] = 0;
+ break;
+
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R1:
+ c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 |
+ LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LSUCA |
+ LOONGSON_CFG1_LLSYNC | LOONGSON_CFG1_TGTSYNC);
+ c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 |
+ LOONGSON_CFG2_LPMP | LOONGSON_CFG2_LPM_REV1);
+ c->loongson3_cpucfg_data[2] |= (
+ LOONGSON_CFG3_LCAM_REV1 |
+ LOONGSON_CFG3_LCAMNUM_REV1 |
+ LOONGSON_CFG3_LCAMKW_REV1 |
+ LOONGSON_CFG3_LCAMVW_REV1);
+ break;
+
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3B_R1:
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3B_R2:
+ c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_LSLDR0 |
+ LOONGSON_CFG1_LSSYNCI | LOONGSON_CFG1_LSUCA |
+ LOONGSON_CFG1_LLSYNC | LOONGSON_CFG1_TGTSYNC);
+ c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 |
+ LOONGSON_CFG2_LPMP | LOONGSON_CFG2_LPM_REV1);
+ c->loongson3_cpucfg_data[2] |= (
+ LOONGSON_CFG3_LCAM_REV1 |
+ LOONGSON_CFG3_LCAMNUM_REV1 |
+ LOONGSON_CFG3_LCAMKW_REV1 |
+ LOONGSON_CFG3_LCAMVW_REV1);
+ break;
+
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0:
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_1:
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R3_0:
+ case PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R3_1:
+ decode_loongson_config6(c);
+ probe_uca(c);
+
+ c->loongson3_cpucfg_data[0] |= (LOONGSON_CFG1_CNT64 |
+ LOONGSON_CFG1_LSLDR0 | LOONGSON_CFG1_LSPREF |
+ LOONGSON_CFG1_LSPREFX | LOONGSON_CFG1_LSSYNCI |
+ LOONGSON_CFG1_LLSYNC | LOONGSON_CFG1_TGTSYNC);
+ c->loongson3_cpucfg_data[1] |= (LOONGSON_CFG2_LBT1 |
+ LOONGSON_CFG2_LBT2 | LOONGSON_CFG2_LBTMMU |
+ LOONGSON_CFG2_LPMP | LOONGSON_CFG2_LPM_REV1 |
+ LOONGSON_CFG2_LVZ_REV1);
+ c->loongson3_cpucfg_data[2] |= (LOONGSON_CFG3_LCAM_REV1 |
+ LOONGSON_CFG3_LCAMNUM_REV1 |
+ LOONGSON_CFG3_LCAMKW_REV1 |
+ LOONGSON_CFG3_LCAMVW_REV1);
+ break;
+
+ default:
+ /* It is possible that some future Loongson cores still do
+ * not have CPUCFG, so do not emulate anything for these
+ * cores.
+ */
+ return;
+ }
+
+ /* This feature is set by firmware, but all known Loongson-64 systems
+ * are configured this way.
+ */
+ c->loongson3_cpucfg_data[0] |= LOONGSON_CFG1_CDMAP;
+
+ /* Patch in dynamically probed bits. */
+ patch_cpucfg_sel1(c);
+ patch_cpucfg_sel2(c);
+ patch_cpucfg_sel3(c);
+
+have_cpucfg_now:
+ /* We have usable CPUCFG now, emulated or not.
+ * Announce CPUCFG availability to userspace via hwcap.
+ */
+ elf_hwcap |= HWCAP_LOONGSON_CPUCFG;
+}
diff --git a/arch/mips/loongson64/dma.c b/arch/mips/loongson64/dma.c
index 5e86635f71db..dbfe6e82fddd 100644
--- a/arch/mips/loongson64/dma.c
+++ b/arch/mips/loongson64/dma.c
@@ -2,21 +2,24 @@
#include <linux/dma-direct.h>
#include <linux/init.h>
#include <linux/swiotlb.h>
+#include <boot_param.h>
dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
{
/* We extract 2bit node id (bit 44~47, only bit 44~45 used now) from
* Loongson-3's 48bit address space and embed it into 40bit */
long nid = (paddr >> 44) & 0x3;
- return ((nid << 44) ^ paddr) | (nid << 37);
+
+ return ((nid << 44) ^ paddr) | (nid << node_id_offset);
}
phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
{
/* We extract 2bit node id (bit 44~47, only bit 44~45 used now) from
* Loongson-3's 48bit address space and embed it into 40bit */
- long nid = (daddr >> 37) & 0x3;
- return ((nid << 37) ^ daddr) | (nid << 44);
+ long nid = (daddr >> node_id_offset) & 0x3;
+
+ return ((nid << node_id_offset) ^ daddr) | (nid << 44);
}
void __init plat_swiotlb_setup(void)
diff --git a/arch/mips/loongson64/env.c b/arch/mips/loongson64/env.c
index 2554ef11170d..d11bc346bbca 100644
--- a/arch/mips/loongson64/env.c
+++ b/arch/mips/loongson64/env.c
@@ -14,12 +14,15 @@
* Author: Wu Zhangjin, wuzhangjin@gmail.com
*/
#include <linux/export.h>
+#include <linux/pci_ids.h>
#include <asm/bootinfo.h>
#include <loongson.h>
#include <boot_param.h>
#include <builtin_dtbs.h>
#include <workarounds.h>
+#define HOST_BRIDGE_CONFIG_ADDR ((void __iomem *)TO_UNCAC(0x1a000000))
+
u32 cpu_clock_freq;
EXPORT_SYMBOL(cpu_clock_freq);
struct efi_memory_map_loongson *loongson_memmap;
@@ -43,6 +46,8 @@ void __init prom_init_env(void)
struct system_loongson *esys;
struct efi_cpuinfo_loongson *ecpu;
struct irq_source_routing_table *eirq_source;
+ u32 id;
+ u16 vendor, device;
/* firmware arguments are initialized in head.S */
boot_p = (struct boot_params *)fw_arg2;
@@ -178,4 +183,19 @@ void __init prom_init_env(void)
memcpy(loongson_sysconf.sensors, esys->sensors,
sizeof(struct sensor_device) * loongson_sysconf.nr_sensors);
pr_info("CpuClock = %u\n", cpu_clock_freq);
+
+ /* Read the ID of PCI host bridge to detect bridge type */
+ id = readl(HOST_BRIDGE_CONFIG_ADDR);
+ vendor = id & 0xffff;
+ device = (id >> 16) & 0xffff;
+
+ if (vendor == PCI_VENDOR_ID_LOONGSON && device == 0x7a00) {
+ pr_info("The bridge chip is LS7A\n");
+ loongson_sysconf.bridgetype = LS7A;
+ loongson_sysconf.early_config = ls7a_early_config;
+ } else {
+ pr_info("The bridge chip is RS780E or SR5690\n");
+ loongson_sysconf.bridgetype = RS780E;
+ loongson_sysconf.early_config = rs780e_early_config;
+ }
}
diff --git a/arch/mips/loongson64/init.c b/arch/mips/loongson64/init.c
index da38944471f4..59ddadace83f 100644
--- a/arch/mips/loongson64/init.c
+++ b/arch/mips/loongson64/init.c
@@ -5,6 +5,7 @@
*/
#include <linux/irqchip.h>
+#include <linux/logic_pio.h>
#include <linux/memblock.h>
#include <asm/bootinfo.h>
#include <asm/traps.h>
@@ -13,25 +14,41 @@
#include <asm/fw/fw.h>
#include <loongson.h>
+#include <boot_param.h>
+
+#define NODE_ID_OFFSET_ADDR ((void __iomem *)TO_UNCAC(0x1001041c))
+
+u32 node_id_offset;
static void __init mips_nmi_setup(void)
{
void *base;
- extern char except_vec_nmi;
+ extern char except_vec_nmi[];
base = (void *)(CAC_BASE + 0x380);
- memcpy(base, &except_vec_nmi, 0x80);
+ memcpy(base, except_vec_nmi, 0x80);
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
+void ls7a_early_config(void)
+{
+ node_id_offset = ((readl(NODE_ID_OFFSET_ADDR) >> 8) & 0x1f) + 36;
+}
+
+void rs780e_early_config(void)
+{
+ node_id_offset = 37;
+}
+
void __init prom_init(void)
{
fw_init_cmdline();
prom_init_env();
/* init base address of io space */
- set_io_port_base((unsigned long)
- ioremap(LOONGSON_PCIIO_BASE, LOONGSON_PCIIO_SIZE));
+ set_io_port_base(PCI_IOBASE);
+
+ loongson_sysconf.early_config();
prom_init_numa_memory();
@@ -46,7 +63,45 @@ void __init prom_free_prom_memory(void)
{
}
+static __init void reserve_pio_range(void)
+{
+ struct logic_pio_hwaddr *range;
+
+ range = kzalloc(sizeof(*range), GFP_ATOMIC);
+ if (!range)
+ return;
+
+ range->fwnode = &of_root->fwnode;
+ range->size = MMIO_LOWER_RESERVED;
+ range->hw_start = LOONGSON_PCIIO_BASE;
+ range->flags = LOGIC_PIO_CPU_MMIO;
+
+ if (logic_pio_register_range(range)) {
+ pr_err("Failed to reserve PIO range for legacy ISA\n");
+ goto free_range;
+ }
+
+ if (WARN(range->io_start != 0,
+ "Reserved PIO range does not start from 0\n"))
+ goto unregister;
+
+ /*
+ * i8259 would access I/O space, so mapping must be done here.
+ * Please remove it when all drivers can be managed by logic_pio.
+ */
+ ioremap_page_range(PCI_IOBASE, PCI_IOBASE + MMIO_LOWER_RESERVED,
+ LOONGSON_PCIIO_BASE,
+ pgprot_device(PAGE_KERNEL));
+
+ return;
+unregister:
+ logic_pio_unregister_range(range);
+free_range:
+ kfree(range);
+}
+
void __init arch_init_irq(void)
{
+ reserve_pio_range();
irqchip_init();
}
diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c
index 1ae072df4831..901f5be5ee76 100644
--- a/arch/mips/loongson64/numa.c
+++ b/arch/mips/loongson64/numa.c
@@ -247,7 +247,7 @@ void __init paging_init(void)
zones_size[ZONE_DMA32] = MAX_DMA32_PFN;
#endif
zones_size[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(zones_size);
+ free_area_init(zones_size);
}
void __init mem_init(void)
diff --git a/arch/mips/loongson64/pci.c b/arch/mips/loongson64/pci.c
deleted file mode 100644
index e84ae20c3290..000000000000
--- a/arch/mips/loongson64/pci.c
+++ /dev/null
@@ -1,51 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
- * Author: Fuxin Zhang, zhangfx@lemote.com
- */
-#include <linux/pci.h>
-
-#include <pci.h>
-#include <loongson.h>
-#include <boot_param.h>
-
-static struct resource loongson_pci_mem_resource = {
- .name = "pci memory space",
- .start = LOONGSON_PCI_MEM_START,
- .end = LOONGSON_PCI_MEM_END,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource loongson_pci_io_resource = {
- .name = "pci io space",
- .start = LOONGSON_PCI_IO_START,
- .end = IO_SPACE_LIMIT,
- .flags = IORESOURCE_IO,
-};
-
-static struct pci_controller loongson_pci_controller = {
- .pci_ops = &loongson_pci_ops,
- .io_resource = &loongson_pci_io_resource,
- .mem_resource = &loongson_pci_mem_resource,
- .mem_offset = 0x00000000UL,
- .io_offset = 0x00000000UL,
-};
-
-
-extern int sbx00_acpi_init(void);
-
-static int __init pcibios_init(void)
-{
-
- loongson_pci_controller.io_map_base = mips_io_port_base;
- loongson_pci_mem_resource.start = loongson_sysconf.pci_mem_start_addr;
- loongson_pci_mem_resource.end = loongson_sysconf.pci_mem_end_addr;
-
- register_pci_controller(&loongson_pci_controller);
-
- sbx00_acpi_init();
-
- return 0;
-}
-
-arch_initcall(pcibios_init);
diff --git a/arch/mips/loongson64/rtc.c b/arch/mips/loongson64/rtc.c
deleted file mode 100644
index 8d7628c0f513..000000000000
--- a/arch/mips/loongson64/rtc.c
+++ /dev/null
@@ -1,39 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Lemote Fuloong platform support
- *
- * Copyright(c) 2010 Arnaud Patard <apatard@mandriva.com>
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/mc146818rtc.h>
-
-static struct resource loongson_rtc_resources[] = {
- {
- .start = RTC_PORT(0),
- .end = RTC_PORT(1),
- .flags = IORESOURCE_IO,
- }, {
- .start = RTC_IRQ,
- .end = RTC_IRQ,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device loongson_rtc_device = {
- .name = "rtc_cmos",
- .id = -1,
- .resource = loongson_rtc_resources,
- .num_resources = ARRAY_SIZE(loongson_rtc_resources),
-};
-
-
-static int __init loongson_rtc_platform_init(void)
-{
- platform_device_register(&loongson_rtc_device);
- return 0;
-}
-
-device_initcall(loongson_rtc_platform_init);
diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index e1fe8bbb377d..e744e1bee49e 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -15,7 +15,6 @@
#include <linux/kexec.h>
#include <asm/processor.h>
#include <asm/time.h>
-#include <asm/clock.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
#include <loongson.h>
diff --git a/arch/mips/loongson64/time.c b/arch/mips/loongson64/time.c
index 1245f22cec84..91e842b58365 100644
--- a/arch/mips/loongson64/time.c
+++ b/arch/mips/loongson64/time.c
@@ -6,7 +6,7 @@
* Copyright (C) 2009 Lemote Inc.
* Author: Wu Zhangjin, wuzhangjin@gmail.com
*/
-#include <asm/mc146818-time.h>
+
#include <asm/time.h>
#include <asm/hpet.h>
@@ -21,9 +21,3 @@ void __init plat_time_init(void)
setup_hpet_timer();
#endif
}
-
-void read_persistent_clock64(struct timespec64 *ts)
-{
- ts->tv_sec = mc146818_get_cmos_time();
- ts->tv_nsec = 0;
-}
diff --git a/arch/mips/loongson64/vbios_quirk.c b/arch/mips/loongson64/vbios_quirk.c
new file mode 100644
index 000000000000..9a29e94d3db1
--- /dev/null
+++ b/arch/mips/loongson64/vbios_quirk.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <linux/pci.h>
+#include <loongson.h>
+
+static void pci_fixup_radeon(struct pci_dev *pdev)
+{
+ struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
+
+ if (res->start)
+ return;
+
+ if (!loongson_sysconf.vgabios_addr)
+ return;
+
+ pci_disable_rom(pdev);
+ if (res->parent)
+ release_resource(res);
+
+ res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr);
+ res->end = res->start + 256*1024 - 1;
+ res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
+ IORESOURCE_PCI_FIXED;
+
+ dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
+ PCI_ROM_RESOURCE, res);
+}
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, 0x9615,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index 9701c89e7e14..587cf1d115e8 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -439,7 +439,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
regs->cp0_epc + dec_insn.pc_inc +
dec_insn.next_pc_inc;
}
- /* fall through */
+ fallthrough;
case jr_op:
/* For R6, JR already emulated in jalr_op */
if (NO_R6EMU && insn.r_format.func == jr_op)
@@ -459,11 +459,11 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc +
dec_insn.next_pc_inc;
- /* fall through */
+ fallthrough;
case bltzl_op:
if (NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case bltz_op:
if ((long)regs->regs[insn.i_format.rs] < 0)
*contpc = regs->cp0_epc +
@@ -483,11 +483,11 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc +
dec_insn.next_pc_inc;
- /* fall through */
+ fallthrough;
case bgezl_op:
if (NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case bgez_op:
if ((long)regs->regs[insn.i_format.rs] >= 0)
*contpc = regs->cp0_epc +
@@ -502,12 +502,12 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
break;
case jalx_op:
set_isa16_mode(bit);
- /* fall through */
+ fallthrough;
case jal_op:
regs->regs[31] = regs->cp0_epc +
dec_insn.pc_inc +
dec_insn.next_pc_inc;
- /* fall through */
+ fallthrough;
case j_op:
*contpc = regs->cp0_epc + dec_insn.pc_inc;
*contpc >>= 28;
@@ -519,7 +519,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case beql_op:
if (NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case beq_op:
if (regs->regs[insn.i_format.rs] ==
regs->regs[insn.i_format.rt])
@@ -534,7 +534,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case bnel_op:
if (NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case bne_op:
if (regs->regs[insn.i_format.rs] !=
regs->regs[insn.i_format.rt])
@@ -549,7 +549,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case blezl_op:
if (!insn.i_format.rt && NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case blez_op:
/*
@@ -587,7 +587,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
case bgtzl_op:
if (!insn.i_format.rt && NO_R6EMU)
break;
- /* fall through */
+ fallthrough;
case bgtz_op:
/*
* Compact branches for R6 for the
@@ -725,7 +725,7 @@ int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
return 1;
}
/* R2/R6 compatible cop1 instruction */
- /* fall through */
+ fallthrough;
case cop2_op:
case cop1x_op:
if (insn.i_format.rs == bc_op) {
@@ -1217,14 +1217,14 @@ emul:
case bcfl_op:
if (cpu_has_mips_2_3_4_5_r)
likely = 1;
- /* fall through */
+ fallthrough;
case bcf_op:
cond = !cond;
break;
case bctl_op:
if (cpu_has_mips_2_3_4_5_r)
likely = 1;
- /* fall through */
+ fallthrough;
case bct_op:
break;
}
diff --git a/arch/mips/math-emu/dp_add.c b/arch/mips/math-emu/dp_add.c
index a8f98b8157f5..78504736be9e 100644
--- a/arch/mips/math-emu/dp_add.c
+++ b/arch/mips/math-emu/dp_add.c
@@ -92,8 +92,7 @@ union ieee754dp ieee754dp_add(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
diff --git a/arch/mips/math-emu/dp_div.c b/arch/mips/math-emu/dp_div.c
index 2b682e930e39..ac1ecc46248d 100644
--- a/arch/mips/math-emu/dp_div.c
+++ b/arch/mips/math-emu/dp_div.c
@@ -91,8 +91,7 @@ union ieee754dp ieee754dp_div(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
diff --git a/arch/mips/math-emu/dp_fmax.c b/arch/mips/math-emu/dp_fmax.c
index 3eda9ff7b491..126ec90bb4c7 100644
--- a/arch/mips/math-emu/dp_fmax.c
+++ b/arch/mips/math-emu/dp_fmax.c
@@ -93,8 +93,7 @@ union ieee754dp ieee754dp_fmax(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
@@ -222,8 +221,7 @@ union ieee754dp ieee754dp_fmaxa(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
diff --git a/arch/mips/math-emu/dp_fmin.c b/arch/mips/math-emu/dp_fmin.c
index b3594a1704a7..35ded4c45989 100644
--- a/arch/mips/math-emu/dp_fmin.c
+++ b/arch/mips/math-emu/dp_fmin.c
@@ -93,8 +93,7 @@ union ieee754dp ieee754dp_fmin(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
@@ -222,8 +221,7 @@ union ieee754dp ieee754dp_fmina(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c
index e24ef374d828..931e66f683ca 100644
--- a/arch/mips/math-emu/dp_maddf.c
+++ b/arch/mips/math-emu/dp_maddf.c
@@ -150,8 +150,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x,
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
if (zc == IEEE754_CLASS_INF)
return ieee754dp_inf(zs);
diff --git a/arch/mips/math-emu/dp_mul.c b/arch/mips/math-emu/dp_mul.c
index e8a97d26472a..8a671bb7af12 100644
--- a/arch/mips/math-emu/dp_mul.c
+++ b/arch/mips/math-emu/dp_mul.c
@@ -89,8 +89,7 @@ union ieee754dp ieee754dp_mul(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
DPDNORMY;
break;
diff --git a/arch/mips/math-emu/dp_sqrt.c b/arch/mips/math-emu/dp_sqrt.c
index 06be390ba79a..1ee38f8242fd 100644
--- a/arch/mips/math-emu/dp_sqrt.c
+++ b/arch/mips/math-emu/dp_sqrt.c
@@ -52,8 +52,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
case IEEE754_CLASS_DNORM:
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case IEEE754_CLASS_NORM:
if (xs) {
/* sqrt(-x) = Nan */
@@ -130,7 +129,7 @@ union ieee754dp ieee754dp_sqrt(union ieee754dp x)
switch (oldcsr.rm) {
case FPU_CSR_RU:
y.bits += 1;
- /* fall through */
+ fallthrough;
case FPU_CSR_RN:
t.bits += 1;
break;
diff --git a/arch/mips/math-emu/dp_sub.c b/arch/mips/math-emu/dp_sub.c
index f08aecefceff..08474ad2a64e 100644
--- a/arch/mips/math-emu/dp_sub.c
+++ b/arch/mips/math-emu/dp_sub.c
@@ -94,8 +94,7 @@ union ieee754dp ieee754dp_sub(union ieee754dp x, union ieee754dp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
DPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
/* normalize ym,ye */
DPDNORMY;
diff --git a/arch/mips/math-emu/sp_add.c b/arch/mips/math-emu/sp_add.c
index 9af3ec7302fb..715cd0534301 100644
--- a/arch/mips/math-emu/sp_add.c
+++ b/arch/mips/math-emu/sp_add.c
@@ -92,8 +92,7 @@ union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/math-emu/sp_div.c b/arch/mips/math-emu/sp_div.c
index fcc285f3b48d..2bfa266fdc76 100644
--- a/arch/mips/math-emu/sp_div.c
+++ b/arch/mips/math-emu/sp_div.c
@@ -91,8 +91,7 @@ union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/math-emu/sp_fdp.c b/arch/mips/math-emu/sp_fdp.c
index 9f1456109aa8..56417497c88e 100644
--- a/arch/mips/math-emu/sp_fdp.c
+++ b/arch/mips/math-emu/sp_fdp.c
@@ -34,8 +34,7 @@ union ieee754sp ieee754sp_fdp(union ieee754dp x)
case IEEE754_CLASS_SNAN:
x = ieee754dp_nanxcpt(x);
EXPLODEXDP;
- /* fall through */
-
+ fallthrough;
case IEEE754_CLASS_QNAN:
y = ieee754sp_nan_fdp(xs, xm);
if (!ieee754_csr.nan2008) {
diff --git a/arch/mips/math-emu/sp_fmax.c b/arch/mips/math-emu/sp_fmax.c
index 4ce1d1f8b499..3fb16a1df3b8 100644
--- a/arch/mips/math-emu/sp_fmax.c
+++ b/arch/mips/math-emu/sp_fmax.c
@@ -93,8 +93,7 @@ union ieee754sp ieee754sp_fmax(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
@@ -222,8 +221,7 @@ union ieee754sp ieee754sp_fmaxa(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/math-emu/sp_fmin.c b/arch/mips/math-emu/sp_fmin.c
index 7ad867fd7de2..ad2599d4a892 100644
--- a/arch/mips/math-emu/sp_fmin.c
+++ b/arch/mips/math-emu/sp_fmin.c
@@ -93,8 +93,7 @@ union ieee754sp ieee754sp_fmin(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
@@ -222,8 +221,7 @@ union ieee754sp ieee754sp_fmina(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c
index 1b85b1a527ac..473ee222d90c 100644
--- a/arch/mips/math-emu/sp_maddf.c
+++ b/arch/mips/math-emu/sp_maddf.c
@@ -119,8 +119,7 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x,
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
if (zc == IEEE754_CLASS_INF)
return ieee754sp_inf(zs);
diff --git a/arch/mips/math-emu/sp_mul.c b/arch/mips/math-emu/sp_mul.c
index ded17e28e8bc..26cfd63025e9 100644
--- a/arch/mips/math-emu/sp_mul.c
+++ b/arch/mips/math-emu/sp_mul.c
@@ -89,8 +89,7 @@ union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/math-emu/sp_sub.c b/arch/mips/math-emu/sp_sub.c
index f3d26a1f162c..16c8e9ae63ed 100644
--- a/arch/mips/math-emu/sp_sub.c
+++ b/arch/mips/math-emu/sp_sub.c
@@ -94,8 +94,7 @@ union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y)
case CLPAIR(IEEE754_CLASS_DNORM, IEEE754_CLASS_DNORM):
SPDNORMX;
- /* fall through */
-
+ fallthrough;
case CLPAIR(IEEE754_CLASS_NORM, IEEE754_CLASS_DNORM):
SPDNORMY;
break;
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index 46f483e952c8..865926a37775 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -23,7 +23,7 @@ obj-y += uasm-mips.o
endif
obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o
-obj-$(CONFIG_64BIT) += pgtable-64.o
+obj-$(CONFIG_64BIT) += ioremap64.o pgtable-64.o
obj-$(CONFIG_HIGHMEM) += highmem.o
obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
obj-$(CONFIG_DMA_NONCOHERENT) += dma-noncoherent.o
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 36a311348739..6fb83ac7c475 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1049,7 +1049,7 @@ static inline void rm7k_erratum31(void)
"cache\t%1, 0x3000(%0)\n\t"
".set pop\n"
:
- : "r" (addr), "i" (Index_Store_Tag_I), "i" (Fill));
+ : "r" (addr), "i" (Index_Store_Tag_I), "i" (Fill_I));
}
}
@@ -1073,12 +1073,12 @@ static inline int alias_74k_erratum(struct cpuinfo_mips *c)
if (rev <= PRID_REV_ENCODE_332(2, 4, 0))
present = 1;
if (rev == PRID_REV_ENCODE_332(2, 4, 0))
- write_c0_config6(read_c0_config6() | MIPS_CONF6_SYND);
+ write_c0_config6(read_c0_config6() | MIPS_CONF6_MTI_SYND);
break;
case PRID_IMP_1074K:
if (rev <= PRID_REV_ENCODE_332(1, 1, 0)) {
present = 1;
- write_c0_config6(read_c0_config6() | MIPS_CONF6_SYND);
+ write_c0_config6(read_c0_config6() | MIPS_CONF6_MTI_SYND);
}
break;
default:
@@ -1200,7 +1200,7 @@ static void probe_pcache(void)
case CPU_VR4133:
write_c0_config(config & ~VR41_CONF_P4K);
- /* fall through */
+ fallthrough;
case CPU_VR4131:
/* Workaround for cache instruction bug of VR4131 */
if (c->processor_id == 0x0c80U || c->processor_id == 0x0c81U ||
@@ -1303,7 +1303,8 @@ static void probe_pcache(void)
c->dcache.linesz;
c->dcache.waybit = 0;
if ((c->processor_id & (PRID_IMP_MASK | PRID_REV_MASK)) >=
- (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0))
+ (PRID_IMP_LOONGSON_64C | PRID_REV_LOONGSON3A_R2_0) ||
+ (c->processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R)
c->options |= MIPS_CPU_PREFETCH;
break;
@@ -1425,7 +1426,7 @@ static void probe_pcache(void)
case CPU_74K:
case CPU_1074K:
has_74k_erratum = alias_74k_erratum(c);
- /* Fall through. */
+ fallthrough;
case CPU_M14KC:
case CPU_M14KEC:
case CPU_24K:
@@ -1449,7 +1450,7 @@ static void probe_pcache(void)
c->dcache.flags |= MIPS_CACHE_PINDEX;
break;
}
- /* fall through */
+ fallthrough;
default:
if (has_74k_erratum || c->dcache.waysize > PAGE_SIZE)
c->dcache.flags |= MIPS_CACHE_ALIASES;
@@ -1629,8 +1630,13 @@ static void __init loongson3_sc_init(void)
scache_size = c->scache.sets *
c->scache.ways *
c->scache.linesz;
- /* Loongson-3 has 4 cores, 1MB scache for each. scaches are shared */
- scache_size *= 4;
+
+ /* Loongson-3 has 4-Scache banks, while Loongson-2K have only 2 banks */
+ if ((c->processor_id & PRID_IMP_MASK) == PRID_IMP_LOONGSON_64R)
+ scache_size *= 2;
+ else
+ scache_size *= 4;
+
c->scache.waybit = 0;
c->scache.waysize = scache_size / c->scache.ways;
pr_info("Unified secondary cache %ldkB %s, linesize %d bytes.\n",
@@ -1703,9 +1709,10 @@ static void setup_scache(void)
return;
default:
- if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
- MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R1 |
- MIPS_CPU_ISA_M64R2 | MIPS_CPU_ISA_M64R6)) {
+ if (c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
+ MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
+ MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)) {
#ifdef CONFIG_MIPS_CPU_SCACHE
if (mips_sc_init ()) {
scache_size = c->scache.ways * c->scache.sets * c->scache.linesz;
diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 33b409391ddb..ad6df1cea866 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -36,7 +36,6 @@ EXPORT_SYMBOL_GPL(flush_icache_range);
void (*local_flush_icache_range)(unsigned long start, unsigned long end);
EXPORT_SYMBOL_GPL(local_flush_icache_range);
void (*__flush_icache_user_range)(unsigned long start, unsigned long end);
-EXPORT_SYMBOL_GPL(__flush_icache_user_range);
void (*__local_flush_icache_user_range)(unsigned long start, unsigned long end);
EXPORT_SYMBOL_GPL(__local_flush_icache_user_range);
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index fcea92d95d86..563c2c0d0c81 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -33,6 +33,7 @@ static inline bool cpu_needs_post_dma_flush(void)
case CPU_R10000:
case CPU_R12000:
case CPU_BMIPS5000:
+ case CPU_LOONGSON2EF:
return true;
default:
/*
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 79684000de0e..7c9f0c0a6cd3 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -358,17 +358,23 @@ void maar_init(void)
write_c0_maari(i);
back_to_back_c0_hazard();
upper = read_c0_maar();
+#ifdef CONFIG_XPA
+ upper |= (phys_addr_t)readx_c0_maar() << MIPS_MAARX_ADDR_SHIFT;
+#endif
write_c0_maari(i + 1);
back_to_back_c0_hazard();
lower = read_c0_maar();
+#ifdef CONFIG_XPA
+ lower |= (phys_addr_t)readx_c0_maar() << MIPS_MAARX_ADDR_SHIFT;
+#endif
attr = lower & upper;
lower = (lower & MIPS_MAAR_ADDR) << 4;
upper = ((upper & MIPS_MAAR_ADDR) << 4) | 0xffff;
pr_info(" [%d]: ", i / 2);
- if (!(attr & MIPS_MAAR_VL)) {
+ if ((attr & MIPS_MAAR_V) != MIPS_MAAR_V) {
pr_cont("disabled\n");
continue;
}
@@ -418,7 +424,7 @@ void __init paging_init(void)
}
#endif
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
#ifdef CONFIG_64BIT
diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index 8317f337a86e..b6dad2fd5575 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -14,94 +14,13 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/mm_types.h>
+#include <linux/io.h>
#include <asm/cacheflush.h>
-#include <asm/io.h>
#include <asm/tlbflush.h>
+#include <ioremap.h>
-static inline void remap_area_pte(pte_t * pte, unsigned long address,
- phys_addr_t size, phys_addr_t phys_addr, unsigned long flags)
-{
- phys_addr_t end;
- unsigned long pfn;
- pgprot_t pgprot = __pgprot(_PAGE_GLOBAL | _PAGE_PRESENT | __READABLE
- | __WRITEABLE | flags);
-
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- BUG_ON(address >= end);
- pfn = phys_addr >> PAGE_SHIFT;
- do {
- if (!pte_none(*pte)) {
- printk("remap_area_pte: page already exists\n");
- BUG();
- }
- set_pte(pte, pfn_pte(pfn, pgprot));
- address += PAGE_SIZE;
- pfn++;
- pte++;
- } while (address && (address < end));
-}
-
-static inline int remap_area_pmd(pmd_t * pmd, unsigned long address,
- phys_addr_t size, phys_addr_t phys_addr, unsigned long flags)
-{
- phys_addr_t end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- phys_addr -= address;
- BUG_ON(address >= end);
- do {
- pte_t * pte = pte_alloc_kernel(pmd, address);
- if (!pte)
- return -ENOMEM;
- remap_area_pte(pte, address, end - address, address + phys_addr, flags);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address && (address < end));
- return 0;
-}
-
-static int remap_area_pages(unsigned long address, phys_addr_t phys_addr,
- phys_addr_t size, unsigned long flags)
-{
- int error;
- pgd_t * dir;
- unsigned long end = address + size;
-
- phys_addr -= address;
- dir = pgd_offset(&init_mm, address);
- flush_cache_all();
- BUG_ON(address >= end);
- do {
- p4d_t *p4d;
- pud_t *pud;
- pmd_t *pmd;
-
- error = -ENOMEM;
- p4d = p4d_alloc(&init_mm, dir, address);
- if (!p4d)
- break;
- pud = pud_alloc(&init_mm, p4d, address);
- if (!pud)
- break;
- pmd = pmd_alloc(&init_mm, pud, address);
- if (!pmd)
- break;
- if (remap_area_pmd(pmd, address, end - address,
- phys_addr + address, flags))
- break;
- error = 0;
- address = (address + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- } while (address && (address < end));
- flush_tlb_all();
- return error;
-}
+#define IS_LOW512(addr) (!((phys_addr_t)(addr) & (phys_addr_t) ~0x1fffffffULL))
+#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
void *arg)
@@ -118,27 +37,25 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages,
}
/*
- * Generic mapping function (not visible outside):
- */
-
-/*
- * Remap an arbitrary physical address space into the kernel virtual
- * address space. Needed when the kernel wants to access high addresses
- * directly.
+ * ioremap_prot - map bus memory into CPU space
+ * @phys_addr: bus address of the memory
+ * @size: size of the resource to map
*
- * NOTE! We need to allow non-page-aligned mappings too: we will obviously
- * have to convert them into an offset in a page-aligned mapping, but the
- * caller shouldn't need to know that small detail.
+ * ioremap_prot gives the caller control over cache coherency attributes (CCA)
*/
-
-#define IS_LOW512(addr) (!((phys_addr_t)(addr) & (phys_addr_t) ~0x1fffffffULL))
-
-void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long flags)
+void __iomem *ioremap_prot(phys_addr_t phys_addr, unsigned long size,
+ unsigned long prot_val)
{
+ unsigned long flags = prot_val & _CACHE_MASK;
unsigned long offset, pfn, last_pfn;
- struct vm_struct * area;
+ struct vm_struct *area;
phys_addr_t last_addr;
- void * addr;
+ unsigned long vaddr;
+ void __iomem *cpu_addr;
+
+ cpu_addr = plat_ioremap(phys_addr, size, flags);
+ if (cpu_addr)
+ return cpu_addr;
phys_addr = fixup_bigphys_addr(phys_addr, size);
@@ -181,30 +98,22 @@ void __iomem * __ioremap(phys_addr_t phys_addr, phys_addr_t size, unsigned long
area = get_vm_area(size, VM_IOREMAP);
if (!area)
return NULL;
- addr = area->addr;
- if (remap_area_pages((unsigned long) addr, phys_addr, size, flags)) {
- vunmap(addr);
+ vaddr = (unsigned long)area->addr;
+
+ flags |= _PAGE_GLOBAL | _PAGE_PRESENT | __READABLE | __WRITEABLE;
+ if (ioremap_page_range(vaddr, vaddr + size, phys_addr,
+ __pgprot(flags))) {
+ free_vm_area(area);
return NULL;
}
- return (void __iomem *) (offset + (char *)addr);
+ return (void __iomem *)(vaddr + offset);
}
+EXPORT_SYMBOL(ioremap_prot);
-#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
-
-void __iounmap(const volatile void __iomem *addr)
+void iounmap(const volatile void __iomem *addr)
{
- struct vm_struct *p;
-
- if (IS_KSEG1(addr))
- return;
-
- p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
- if (!p)
- printk(KERN_ERR "iounmap: bad address %p\n", addr);
-
- kfree(p);
+ if (!plat_iounmap(addr) && !IS_KSEG1(addr))
+ vunmap((void *)((unsigned long)addr & PAGE_MASK));
}
-
-EXPORT_SYMBOL(__ioremap);
-EXPORT_SYMBOL(__iounmap);
+EXPORT_SYMBOL(iounmap);
diff --git a/arch/mips/mm/ioremap64.c b/arch/mips/mm/ioremap64.c
new file mode 100644
index 000000000000..15e7820d6a5f
--- /dev/null
+++ b/arch/mips/mm/ioremap64.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/io.h>
+#include <ioremap.h>
+
+void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
+ unsigned long prot_val)
+{
+ unsigned long flags = prot_val & _CACHE_MASK;
+ u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
+ void __iomem *addr;
+
+ addr = plat_ioremap(offset, size, flags);
+ if (!addr)
+ addr = (void __iomem *)(unsigned long)(base + offset);
+ return addr;
+}
+EXPORT_SYMBOL(ioremap_prot);
+
+void iounmap(const volatile void __iomem *addr)
+{
+ plat_iounmap(addr);
+}
+EXPORT_SYMBOL(iounmap);
diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c
index dbdbfe5d8408..eedad47df24f 100644
--- a/arch/mips/mm/sc-mips.c
+++ b/arch/mips/mm/sc-mips.c
@@ -194,9 +194,10 @@ static inline int __init mips_sc_probe(void)
return mips_sc_probe_cm3();
/* Ignore anything but MIPSxx processors */
- if (!(c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 |
- MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R1 |
- MIPS_CPU_ISA_M64R2 | MIPS_CPU_ISA_M64R6)))
+ if (!(c->isa_level & (MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M64R1 |
+ MIPS_CPU_ISA_M32R2 | MIPS_CPU_ISA_M64R2 |
+ MIPS_CPU_ISA_M32R5 | MIPS_CPU_ISA_M64R5 |
+ MIPS_CPU_ISA_M32R6 | MIPS_CPU_ISA_M64R6)))
return 0;
/* Does this MIPS32/MIPS64 CPU have a config2 register? */
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index da407cdc2135..38c204204529 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -576,7 +576,7 @@ void build_tlb_write_entry(u32 **p, struct uasm_label **l,
case CPU_R5500:
if (m4kc_tlbp_war())
uasm_i_nop(p);
- /* fall through */
+ fallthrough;
case CPU_ALCHEMY:
tlbw(p);
break;
diff --git a/arch/mips/mti-malta/Platform b/arch/mips/mti-malta/Platform
index 2cc72c9b38e3..41e0d2a2d325 100644
--- a/arch/mips/mti-malta/Platform
+++ b/arch/mips/mti-malta/Platform
@@ -1,7 +1,6 @@
#
# MIPS Malta board
#
-platform-$(CONFIG_MIPS_MALTA) += mti-malta/
cflags-$(CONFIG_MIPS_MALTA) += -I$(srctree)/arch/mips/include/asm/mach-malta
ifdef CONFIG_KVM_GUEST
load-$(CONFIG_MIPS_MALTA) += 0x0000000040100000
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index ff2c1d809538..893af377aacc 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -90,24 +90,24 @@ static void __init console_config(void)
static void __init mips_nmi_setup(void)
{
void *base;
- extern char except_vec_nmi;
+ extern char except_vec_nmi[];
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa80) :
(void *)(CAC_BASE + 0x380);
- memcpy(base, &except_vec_nmi, 0x80);
+ memcpy(base, except_vec_nmi, 0x80);
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
static void __init mips_ejtag_setup(void)
{
void *base;
- extern char except_vec_ejtag_debug;
+ extern char except_vec_ejtag_debug[];
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa00) :
(void *)(CAC_BASE + 0x300);
- memcpy(base, &except_vec_ejtag_debug, 0x80);
+ memcpy(base, except_vec_ejtag_debug, 0x80);
flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
}
diff --git a/arch/mips/netlogic/Platform b/arch/mips/netlogic/Platform
index fb8eb4c0c6ec..4195a097f5f2 100644
--- a/arch/mips/netlogic/Platform
+++ b/arch/mips/netlogic/Platform
@@ -13,5 +13,4 @@ cflags-$(CONFIG_CPU_XLP) += $(call cc-option,-march=xlp,-march=mips64r2)
#
# NETLOGIC processor support
#
-platform-$(CONFIG_NLM_COMMON) += netlogic/
load-$(CONFIG_NLM_COMMON) += 0xffffffff80100000
diff --git a/arch/mips/netlogic/xlr/fmn.c b/arch/mips/netlogic/xlr/fmn.c
index d7db1533889a..f90303f31967 100644
--- a/arch/mips/netlogic/xlr/fmn.c
+++ b/arch/mips/netlogic/xlr/fmn.c
@@ -103,7 +103,7 @@ static irqreturn_t fmn_message_handler(int irq, void *data)
mflags = nlm_cop2_enable_irqsave();
}
}
- };
+ }
/* Enable message ring intr, to any thread in core */
nlm_fmn_setup_intr(irq, (1 << nlm_threads_per_core) - 1);
nlm_cop2_disable_irqrestore(mflags);
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index 03db268cba5c..d3996c4c6440 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -110,7 +110,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
case CPU_LOONGSON64:
lmodel = &op_model_loongson3_ops;
break;
- };
+ }
/*
* Always set the backtrace. This allows unsupported CPU types to still
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index a537bf98912c..1493c49ca47a 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -172,15 +172,15 @@ static void mipsxx_cpu_setup(void *args)
case 4:
w_c0_perfctrl3(0);
w_c0_perfcntr3(reg.counter[3]);
- /* fall through */
+ fallthrough;
case 3:
w_c0_perfctrl2(0);
w_c0_perfcntr2(reg.counter[2]);
- /* fall through */
+ fallthrough;
case 2:
w_c0_perfctrl1(0);
w_c0_perfcntr1(reg.counter[1]);
- /* fall through */
+ fallthrough;
case 1:
w_c0_perfctrl0(0);
w_c0_perfcntr0(reg.counter[0]);
@@ -198,13 +198,13 @@ static void mipsxx_cpu_start(void *args)
switch (counters) {
case 4:
w_c0_perfctrl3(WHAT | reg.control[3]);
- /* fall through */
+ fallthrough;
case 3:
w_c0_perfctrl2(WHAT | reg.control[2]);
- /* fall through */
+ fallthrough;
case 2:
w_c0_perfctrl1(WHAT | reg.control[1]);
- /* fall through */
+ fallthrough;
case 1:
w_c0_perfctrl0(WHAT | reg.control[0]);
}
@@ -221,13 +221,13 @@ static void mipsxx_cpu_stop(void *args)
switch (counters) {
case 4:
w_c0_perfctrl3(0);
- /* fall through */
+ fallthrough;
case 3:
w_c0_perfctrl2(0);
- /* fall through */
+ fallthrough;
case 2:
w_c0_perfctrl1(0);
- /* fall through */
+ fallthrough;
case 1:
w_c0_perfctrl0(0);
}
@@ -245,7 +245,7 @@ static int mipsxx_perfcount_handler(void)
switch (counters) {
#define HANDLE_COUNTER(n) \
- /* fall through */ \
+ fallthrough; \
case n + 1: \
control = r_c0_perfctrl ## n(); \
counter = r_c0_perfcntr ## n(); \
@@ -307,15 +307,15 @@ static void reset_counters(void *arg)
case 4:
w_c0_perfctrl3(0);
w_c0_perfcntr3(0);
- /* fall through */
+ fallthrough;
case 3:
w_c0_perfctrl2(0);
w_c0_perfcntr2(0);
- /* fall through */
+ fallthrough;
case 2:
w_c0_perfctrl1(0);
w_c0_perfcntr1(0);
- /* fall through */
+ fallthrough;
case 1:
w_c0_perfctrl0(0);
w_c0_perfcntr0(0);
diff --git a/arch/mips/paravirt/Platform b/arch/mips/paravirt/Platform
index 7e76ef25ea17..0b857580dfdd 100644
--- a/arch/mips/paravirt/Platform
+++ b/arch/mips/paravirt/Platform
@@ -1,7 +1,6 @@
#
# Generic para-virtualized guest.
#
-platform-$(CONFIG_MIPS_PARAVIRT) += paravirt/
cflags-$(CONFIG_MIPS_PARAVIRT) += \
-I$(srctree)/arch/mips/include/asm/mach-paravirt
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index 342ce10ef593..0f68d6849978 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -13,10 +13,8 @@ obj-$(CONFIG_PCI_DRIVERS_GENERIC)+= pci-generic.o
obj-$(CONFIG_MIPS_BONITO64) += ops-bonito64.o
obj-$(CONFIG_PCI_GT64XXX_PCI0) += ops-gt64xxx_pci0.o
obj-$(CONFIG_MIPS_MSC) += ops-msc.o
-obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o
obj-$(CONFIG_SOC_TX3927) += ops-tx3927.o
obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o
-obj-$(CONFIG_NEC_MARKEINS) += ops-emma2rh.o pci-emma2rh.o fixup-emma2rh.o
obj-$(CONFIG_PCI_TX4927) += ops-tx4927.o
obj-$(CONFIG_BCM47XX) += pci-bcm47xx.o
obj-$(CONFIG_BCM63XX) += pci-bcm63xx.o fixup-bcm63xx.o \
@@ -31,15 +29,10 @@ obj-$(CONFIG_PCI_XTALK_BRIDGE) += pci-xtalk-bridge.o
# These are still pretty much in the old state, watch, go blind.
#
obj-$(CONFIG_ATH79) += fixup-ath79.o
-obj-$(CONFIG_LASAT) += pci-lasat.o
obj-$(CONFIG_MIPS_COBALT) += fixup-cobalt.o
obj-$(CONFIG_LEMOTE_FULOONG2E) += fixup-fuloong2e.o ops-loongson2.o
obj-$(CONFIG_LEMOTE_MACH2F) += fixup-lemote2f.o ops-loongson2.o
-obj-$(CONFIG_MACH_LOONGSON64) += fixup-loongson3.o ops-loongson3.o
obj-$(CONFIG_MIPS_MALTA) += fixup-malta.o pci-malta.o
-obj-$(CONFIG_PMC_MSP7120_GW) += fixup-pmcmsp.o ops-pmcmsp.o
-obj-$(CONFIG_PMC_MSP7120_EVAL) += fixup-pmcmsp.o ops-pmcmsp.o
-obj-$(CONFIG_PMC_MSP7120_FPGA) += fixup-pmcmsp.o ops-pmcmsp.o
obj-$(CONFIG_SGI_IP27) += pci-ip27.o
obj-$(CONFIG_SGI_IP32) += fixup-ip32.o ops-mace.o pci-ip32.o
obj-$(CONFIG_SIBYTE_SB1250) += fixup-sb1250.o pci-sb1250.o
diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c
deleted file mode 100644
index 2541f9bc12de..000000000000
--- a/arch/mips/pci/fixup-emma2rh.c
+++ /dev/null
@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/emma/emma2rh.h>
-
-#define EMMA2RH_PCI_HOST_SLOT 0x09
-#define EMMA2RH_USB_SLOT 0x03
-#define PCI_DEVICE_ID_NEC_EMMA2RH 0x014b /* EMMA2RH PCI Host */
-
-/*
- * we fix up irqs based on the slot number.
- * The first entry is at AD:11.
- * Fortunately this works because, although we have two pci buses,
- * they all have different slot numbers (except for rockhopper slot 20
- * which is handled below).
- *
- */
-
-#define MAX_SLOT_NUM 10
-static unsigned char irq_map[][5] = {
- [3] = {0, MARKEINS_PCI_IRQ_INTB, MARKEINS_PCI_IRQ_INTC,
- MARKEINS_PCI_IRQ_INTD, 0,},
- [4] = {0, MARKEINS_PCI_IRQ_INTA, 0, 0, 0,},
- [5] = {0, 0, 0, 0, 0,},
- [6] = {0, MARKEINS_PCI_IRQ_INTC, MARKEINS_PCI_IRQ_INTD,
- MARKEINS_PCI_IRQ_INTA, MARKEINS_PCI_IRQ_INTB,},
-};
-
-static void nec_usb_controller_fixup(struct pci_dev *dev)
-{
- if (PCI_SLOT(dev->devfn) == EMMA2RH_USB_SLOT)
- /* on board USB controller configuration */
- pci_write_config_dword(dev, 0xe4, 1 << 5);
-}
-
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_USB,
- nec_usb_controller_fixup);
-
-/*
- * Prevent the PCI layer from seeing the resources allocated to this device
- * if it is the host bridge by marking it as such. These resources are of
- * no consequence to the PCI layer (they are handled elsewhere).
- */
-static void emma2rh_pci_host_fixup(struct pci_dev *dev)
-{
- int i;
-
- if (PCI_SLOT(dev->devfn) == EMMA2RH_PCI_HOST_SLOT) {
- dev->class &= 0xff;
- dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
- for (i = 0; i < PCI_NUM_RESOURCES; i++) {
- dev->resource[i].start = 0;
- dev->resource[i].end = 0;
- dev->resource[i].flags = 0;
- }
- }
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_EMMA2RH,
- emma2rh_pci_host_fixup);
-
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- return irq_map[slot][pin];
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pci/fixup-loongson3.c b/arch/mips/pci/fixup-loongson3.c
deleted file mode 100644
index 8a741c2c6685..000000000000
--- a/arch/mips/pci/fixup-loongson3.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * fixup-loongson3.c
- *
- * Copyright (C) 2012 Lemote, Inc.
- * Author: Xiang Yu, xiangy@lemote.com
- * Chen Huacai, chenhc@lemote.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <linux/pci.h>
-#include <boot_param.h>
-
-static void print_fixup_info(const struct pci_dev *pdev)
-{
- dev_info(&pdev->dev, "Device %x:%x, irq %d\n",
- pdev->vendor, pdev->device, pdev->irq);
-}
-
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- print_fixup_info(dev);
- return dev->irq;
-}
-
-static void pci_fixup_radeon(struct pci_dev *pdev)
-{
- struct resource *res = &pdev->resource[PCI_ROM_RESOURCE];
-
- if (res->start)
- return;
-
- if (!loongson_sysconf.vgabios_addr)
- return;
-
- pci_disable_rom(pdev);
- if (res->parent)
- release_resource(res);
-
- res->start = virt_to_phys((void *) loongson_sysconf.vgabios_addr);
- res->end = res->start + 256*1024 - 1;
- res->flags = IORESOURCE_MEM | IORESOURCE_ROM_SHADOW |
- IORESOURCE_PCI_FIXED;
-
- dev_info(&pdev->dev, "BAR %d: assigned %pR for Radeon ROM\n",
- PCI_ROM_RESOURCE, res);
-}
-
-DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
- PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_radeon);
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pci/fixup-pmcmsp.c b/arch/mips/pci/fixup-pmcmsp.c
deleted file mode 100644
index 4ad2ef02087b..000000000000
--- a/arch/mips/pci/fixup-pmcmsp.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * PMC-Sierra MSP board specific pci fixups.
- *
- * Copyright 2001 MontaVista Software Inc.
- * Copyright 2005-2007 PMC-Sierra, Inc
- *
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifdef CONFIG_PCI
-
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/byteorder.h>
-
-#include <msp_pci.h>
-#include <msp_cic_int.h>
-
-/* PCI interrupt pins */
-#define IRQ4 MSP_INT_EXT4
-#define IRQ5 MSP_INT_EXT5
-#define IRQ6 MSP_INT_EXT6
-
-#if defined(CONFIG_PMC_MSP7120_GW)
-/* Garibaldi Board IRQ wiring to PCI slots */
-static char irq_tab[][5] = {
- /* INTA INTB INTC INTD */
- {0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
- {0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
- {0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
- {0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
- {0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
- {0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
- {0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
- {0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */
- {0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */
- {0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */
- {0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */
- {0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
- {0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
- {0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
- {0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
- {0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
- {0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
- {0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
- {0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
- {0, IRQ4, IRQ4, 0, 0 }, /* 18 (AD[28]): slot 0 */
- {0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
- {0, IRQ5, IRQ5, 0, 0 }, /* 20 (AD[30]): slot 1 */
- {0, IRQ6, IRQ6, 0, 0 } /* 21 (AD[31]): slot 2 */
-};
-
-#elif defined(CONFIG_PMC_MSP7120_EVAL)
-
-/* MSP7120 Eval Board IRQ wiring to PCI slots */
-static char irq_tab[][5] = {
- /* INTA INTB INTC INTD */
- {0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
- {0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
- {0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
- {0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
- {0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
- {0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
- {0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
- {0, IRQ6, IRQ6, 0, 0 }, /* 6 (AD[16]): slot 3 (mini) */
- {0, IRQ5, IRQ5, 0, 0 }, /* 7 (AD[17]): slot 2 (mini) */
- {0, IRQ4, IRQ4, IRQ4, IRQ4}, /* 8 (AD[18]): slot 0 (PCI) */
- {0, IRQ5, IRQ5, IRQ5, IRQ5}, /* 9 (AD[19]): slot 1 (PCI) */
- {0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
- {0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
- {0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
- {0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
- {0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
- {0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
- {0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
- {0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
- {0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */
- {0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
- {0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */
- {0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */
-};
-
-#else
-
-/* Unknown board -- don't assign any IRQs */
-static char irq_tab[][5] = {
- /* INTA INTB INTC INTD */
- {0, 0, 0, 0, 0 }, /* (AD[0]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[1]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[2]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[3]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[4]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[5]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[6]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[7]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[8]): Unused */
- {0, 0, 0, 0, 0 }, /* (AD[9]): Unused */
- {0, 0, 0, 0, 0 }, /* 0 (AD[10]): Unused */
- {0, 0, 0, 0, 0 }, /* 1 (AD[11]): Unused */
- {0, 0, 0, 0, 0 }, /* 2 (AD[12]): Unused */
- {0, 0, 0, 0, 0 }, /* 3 (AD[13]): Unused */
- {0, 0, 0, 0, 0 }, /* 4 (AD[14]): Unused */
- {0, 0, 0, 0, 0 }, /* 5 (AD[15]): Unused */
- {0, 0, 0, 0, 0 }, /* 6 (AD[16]): Unused */
- {0, 0, 0, 0, 0 }, /* 7 (AD[17]): Unused */
- {0, 0, 0, 0, 0 }, /* 8 (AD[18]): Unused */
- {0, 0, 0, 0, 0 }, /* 9 (AD[19]): Unused */
- {0, 0, 0, 0, 0 }, /* 10 (AD[20]): Unused */
- {0, 0, 0, 0, 0 }, /* 11 (AD[21]): Unused */
- {0, 0, 0, 0, 0 }, /* 12 (AD[22]): Unused */
- {0, 0, 0, 0, 0 }, /* 13 (AD[23]): Unused */
- {0, 0, 0, 0, 0 }, /* 14 (AD[24]): Unused */
- {0, 0, 0, 0, 0 }, /* 15 (AD[25]): Unused */
- {0, 0, 0, 0, 0 }, /* 16 (AD[26]): Unused */
- {0, 0, 0, 0, 0 }, /* 17 (AD[27]): Unused */
- {0, 0, 0, 0, 0 }, /* 18 (AD[28]): Unused */
- {0, 0, 0, 0, 0 }, /* 19 (AD[29]): Unused */
- {0, 0, 0, 0, 0 }, /* 20 (AD[30]): Unused */
- {0, 0, 0, 0, 0 } /* 21 (AD[31]): Unused */
-};
-#endif
-
-/*****************************************************************************
- *
- * FUNCTION: pcibios_plat_dev_init
- * _________________________________________________________________________
- *
- * DESCRIPTION: Perform platform specific device initialization at
- * pci_enable_device() time.
- * None are needed for the MSP7120 PCI Controller.
- *
- * INPUTS: dev - structure describing the PCI device
- *
- * OUTPUTS: none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL
- *
- ****************************************************************************/
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: pcibios_map_irq
- * _________________________________________________________________________
- *
- * DESCRIPTION: Perform board supplied PCI IRQ mapping routine.
- *
- * INPUTS: dev - unused
- * slot - PCI slot. Identified by which bit of the AD[] bus
- * drives the IDSEL line. AD[10] is 0, AD[31] is
- * slot 21.
- * pin - numbered using the scheme of the PCI_INTERRUPT_PIN
- * field of the config header.
- *
- * OUTPUTS: none
- *
- * RETURNS: IRQ number
- *
- ****************************************************************************/
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-#if !defined(CONFIG_PMC_MSP7120_GW) && !defined(CONFIG_PMC_MSP7120_EVAL)
- printk(KERN_WARNING "PCI: unknown board, no PCI IRQs assigned.\n");
-#endif
- printk(KERN_WARNING "PCI: irq_tab returned %d for slot=%d pin=%d\n",
- irq_tab[slot][pin], slot, pin);
-
- return irq_tab[slot][pin];
-}
-
-#endif /* CONFIG_PCI */
diff --git a/arch/mips/pci/fixup-sni.c b/arch/mips/pci/fixup-sni.c
index adb9a58641e8..de012f8bd8c3 100644
--- a/arch/mips/pci/fixup-sni.c
+++ b/arch/mips/pci/fixup-sni.c
@@ -151,8 +151,7 @@ int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
case SNI_BRD_PCI_MTOWER:
if (is_rm300_revd())
return irq_tab_rm300d[slot][pin];
- /* fall through */
-
+ fallthrough;
case SNI_BRD_PCI_DESKTOP:
return irq_tab_rm200[slot][pin];
diff --git a/arch/mips/pci/ops-bcm63xx.c b/arch/mips/pci/ops-bcm63xx.c
index 925c72348fb6..dc6dc2741272 100644
--- a/arch/mips/pci/ops-bcm63xx.c
+++ b/arch/mips/pci/ops-bcm63xx.c
@@ -474,7 +474,7 @@ static int bcm63xx_pcie_can_access(struct pci_bus *bus, int devfn)
if (PCI_SLOT(devfn) == 0)
return bcm_pcie_readl(PCIE_DLSTATUS_REG)
& DLSTATUS_PHYLINKUP;
- /* else, fall through */
+ fallthrough;
default:
return false;
}
diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c
deleted file mode 100644
index 65f47344536c..000000000000
--- a/arch/mips/pci/ops-emma2rh.c
+++ /dev/null
@@ -1,167 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/pci/ops-vr41xx.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-
-#include <asm/addrspace.h>
-
-#include <asm/emma/emma2rh.h>
-
-#define RTABORT (0x1<<9)
-#define RMABORT (0x1<<10)
-#define EMMA2RH_PCI_SLOT_NUM 9 /* 0000:09.0 is final PCI device */
-
-/*
- * access config space
- */
-
-static int check_args(struct pci_bus *bus, u32 devfn, u32 * bus_num)
-{
- /* check if the bus is top-level */
- if (bus->parent != NULL)
- *bus_num = bus->number;
- else
- *bus_num = 0;
-
- if (*bus_num == 0) {
- /* Type 0 */
- if (PCI_SLOT(devfn) >= 10)
- return PCIBIOS_DEVICE_NOT_FOUND;
- } else {
- /* Type 1 */
- if ((*bus_num >= 64) || (PCI_SLOT(devfn) >= 16))
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- return 0;
-}
-
-static inline int set_pci_configuration_address(unsigned char bus_num,
- unsigned int devfn, int where)
-{
- u32 config_win0;
-
- emma2rh_out32(EMMA2RH_PCI_INT, ~RMABORT);
- if (bus_num == 0)
- /*
- * Type 0 configuration
- */
- config_win0 = (1 << (22 + PCI_SLOT(devfn))) | (5 << 9);
- else
- /*
- * Type 1 configuration
- */
- config_win0 = (bus_num << 26) | (PCI_SLOT(devfn) << 22) |
- (1 << 15) | (5 << 9);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, config_win0);
-
- return 0;
-}
-
-static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
- int size, uint32_t * val)
-{
- u32 bus_num;
- u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
- u32 backup_win0;
- u32 data;
-
- *val = 0xffffffffU;
-
- if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
-
- if (set_pci_configuration_address(bus_num, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- data =
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc));
-
- switch (size) {
- case 1:
- *val = (data >> ((where & 3) << 3)) & 0xffU;
- break;
- case 2:
- *val = (data >> ((where & 2) << 3)) & 0xffffU;
- break;
- case 4:
- *val = data;
- break;
- default:
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
-
- if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 val)
-{
- u32 bus_num;
- u32 base = KSEG1ADDR(EMMA2RH_PCI_CONFIG_BASE);
- u32 backup_win0;
- u32 data;
- int shift;
-
- if (check_args(bus, devfn, &bus_num) == PCIBIOS_DEVICE_NOT_FOUND)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- backup_win0 = emma2rh_in32(EMMA2RH_PCI_IWIN0_CTR);
-
- if (set_pci_configuration_address(bus_num, devfn, where) < 0)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- /* read modify write */
- data =
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc));
-
- switch (size) {
- case 1:
- shift = (where & 3) << 3;
- data &= ~(0xffU << shift);
- data |= ((val & 0xffU) << shift);
- break;
- case 2:
- shift = (where & 2) << 3;
- data &= ~(0xffffU << shift);
- data |= ((val & 0xffffU) << shift);
- break;
- case 4:
- data = val;
- break;
- default:
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- return PCIBIOS_FUNC_NOT_SUPPORTED;
- }
- *(volatile u32 *)(base + (PCI_FUNC(devfn) << 8) +
- (where & 0xfffffffc)) = data;
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, backup_win0);
- if (emma2rh_in32(EMMA2RH_PCI_INT) & RMABORT)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops emma2rh_pci_ops = {
- .read = pci_config_read,
- .write = pci_config_write,
-};
diff --git a/arch/mips/pci/ops-loongson3.c b/arch/mips/pci/ops-loongson3.c
deleted file mode 100644
index 2f6ad36bdea6..000000000000
--- a/arch/mips/pci/ops-loongson3.c
+++ /dev/null
@@ -1,116 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-
-#include <asm/mips-boards/bonito64.h>
-
-#include <loongson.h>
-
-#define PCI_ACCESS_READ 0
-#define PCI_ACCESS_WRITE 1
-
-#define HT1LO_PCICFG_BASE 0x1a000000
-#define HT1LO_PCICFG_BASE_TP1 0x1b000000
-
-static int loongson3_pci_config_access(unsigned char access_type,
- struct pci_bus *bus, unsigned int devfn,
- int where, u32 *data)
-{
- unsigned char busnum = bus->number;
- int function = PCI_FUNC(devfn);
- int device = PCI_SLOT(devfn);
- int reg = where & ~3;
- void *addrp;
- u64 addr;
-
- if (where < PCI_CFG_SPACE_SIZE) { /* standard config */
- addr = (busnum << 16) | (device << 11) | (function << 8) | reg;
- if (busnum == 0) {
- if (device > 31)
- return PCIBIOS_DEVICE_NOT_FOUND;
- addrp = (void *)TO_UNCAC(HT1LO_PCICFG_BASE | addr);
- } else {
- addrp = (void *)TO_UNCAC(HT1LO_PCICFG_BASE_TP1 | addr);
- }
- } else if (where < PCI_CFG_SPACE_EXP_SIZE) { /* extended config */
- struct pci_dev *rootdev;
-
- rootdev = pci_get_domain_bus_and_slot(0, 0, 0);
- if (!rootdev)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr = pci_resource_start(rootdev, 3);
- if (!addr)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr |= busnum << 20 | device << 15 | function << 12 | reg;
- addrp = (void *)TO_UNCAC(addr);
- } else {
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
-
- if (access_type == PCI_ACCESS_WRITE)
- writel(*data, addrp);
- else {
- *data = readl(addrp);
- if (*data == 0xffffffff) {
- *data = -1;
- return PCIBIOS_DEVICE_NOT_FOUND;
- }
- }
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int loongson3_pci_pcibios_read(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 *val)
-{
- u32 data = 0;
- int ret = loongson3_pci_config_access(PCI_ACCESS_READ,
- bus, devfn, where, &data);
-
- if (ret != PCIBIOS_SUCCESSFUL)
- return ret;
-
- if (size == 1)
- *val = (data >> ((where & 3) << 3)) & 0xff;
- else if (size == 2)
- *val = (data >> ((where & 3) << 3)) & 0xffff;
- else
- *val = data;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int loongson3_pci_pcibios_write(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- u32 data = 0;
- int ret;
-
- if (size == 4)
- data = val;
- else {
- ret = loongson3_pci_config_access(PCI_ACCESS_READ,
- bus, devfn, where, &data);
- if (ret != PCIBIOS_SUCCESSFUL)
- return ret;
-
- if (size == 1)
- data = (data & ~(0xff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- else if (size == 2)
- data = (data & ~(0xffff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- }
-
- ret = loongson3_pci_config_access(PCI_ACCESS_WRITE,
- bus, devfn, where, &data);
-
- return ret;
-}
-
-struct pci_ops loongson_pci_ops = {
- .read = loongson3_pci_pcibios_read,
- .write = loongson3_pci_pcibios_write
-};
diff --git a/arch/mips/pci/ops-nile4.c b/arch/mips/pci/ops-nile4.c
deleted file mode 100644
index b00658d19116..000000000000
--- a/arch/mips/pci/ops-nile4.c
+++ /dev/null
@@ -1,136 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <asm/bootinfo.h>
-
-#include <asm/lasat/lasat.h>
-#include <asm/nile4.h>
-
-#define PCI_ACCESS_READ 0
-#define PCI_ACCESS_WRITE 1
-
-#define LO(reg) (reg / 4)
-#define HI(reg) (reg / 4 + 1)
-
-volatile unsigned long *const vrc_pciregs = (void *) Vrc5074_BASE;
-
-static int nile4_pcibios_config_access(unsigned char access_type,
- struct pci_bus *bus, unsigned int devfn, int where, u32 *val)
-{
- unsigned char busnum = bus->number;
- u32 adr, mask, err;
-
- if ((busnum == 0) && (PCI_SLOT(devfn) > 8))
- /* The addressing scheme chosen leaves room for just
- * 8 devices on the first busnum (besides the PCI
- * controller itself) */
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- if ((busnum == 0) && (devfn == PCI_DEVFN(0, 0))) {
- /* Access controller registers directly */
- if (access_type == PCI_ACCESS_WRITE) {
- vrc_pciregs[(0x200 + where) >> 2] = *val;
- } else {
- *val = vrc_pciregs[(0x200 + where) >> 2];
- }
- return PCIBIOS_SUCCESSFUL;
- }
-
- /* Temporarily map PCI Window 1 to config space */
- mask = vrc_pciregs[LO(NILE4_PCIINIT1)];
- vrc_pciregs[LO(NILE4_PCIINIT1)] = 0x0000001a | (busnum ? 0x200 : 0);
-
- /* Clear PCI Error register. This also clears the Error Type
- * bits in the Control register */
- vrc_pciregs[LO(NILE4_PCIERR)] = 0;
- vrc_pciregs[HI(NILE4_PCIERR)] = 0;
-
- /* Setup address */
- if (busnum == 0)
- adr =
- KSEG1ADDR(PCI_WINDOW1) +
- ((1 << (PCI_SLOT(devfn) + 15)) | (PCI_FUNC(devfn) << 8)
- | (where & ~3));
- else
- adr = KSEG1ADDR(PCI_WINDOW1) | (busnum << 16) | (devfn << 8) |
- (where & ~3);
-
- if (access_type == PCI_ACCESS_WRITE)
- *(u32 *) adr = *val;
- else
- *val = *(u32 *) adr;
-
- /* Check for master or target abort */
- err = (vrc_pciregs[HI(NILE4_PCICTRL)] >> 5) & 0x7;
-
- /* Restore PCI Window 1 */
- vrc_pciregs[LO(NILE4_PCIINIT1)] = mask;
-
- if (err)
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int nile4_pcibios_read(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 *val)
-{
- u32 data = 0;
- int err;
-
- if ((size == 2) && (where & 1))
- return PCIBIOS_BAD_REGISTER_NUMBER;
- else if ((size == 4) && (where & 3))
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- err = nile4_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where,
- &data);
- if (err)
- return err;
-
- if (size == 1)
- *val = (data >> ((where & 3) << 3)) & 0xff;
- else if (size == 2)
- *val = (data >> ((where & 3) << 3)) & 0xffff;
- else
- *val = data;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int nile4_pcibios_write(struct pci_bus *bus, unsigned int devfn,
- int where, int size, u32 val)
-{
- u32 data = 0;
- int err;
-
- if ((size == 2) && (where & 1))
- return PCIBIOS_BAD_REGISTER_NUMBER;
- else if ((size == 4) && (where & 3))
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- err = nile4_pcibios_config_access(PCI_ACCESS_READ, bus, devfn, where,
- &data);
- if (err)
- return err;
-
- if (size == 1)
- data = (data & ~(0xff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- else if (size == 2)
- data = (data & ~(0xffff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
- else
- data = val;
-
- if (nile4_pcibios_config_access
- (PCI_ACCESS_WRITE, bus, devfn, where, &data))
- return -1;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops nile4_pci_ops = {
- .read = nile4_pcibios_read,
- .write = nile4_pcibios_write,
-};
diff --git a/arch/mips/pci/ops-pmcmsp.c b/arch/mips/pci/ops-pmcmsp.c
deleted file mode 100644
index ad5dd711c575..000000000000
--- a/arch/mips/pci/ops-pmcmsp.c
+++ /dev/null
@@ -1,944 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * PMC-Sierra MSP board specific pci_ops
- *
- * Copyright 2001 MontaVista Software Inc.
- * Copyright 2005-2007 PMC-Sierra, Inc
- *
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- *
- * Much of the code is derived from the original DDB5074 port by
- * Geert Uytterhoeven <geert@linux-m68k.org>
- */
-
-#define PCI_COUNTERS 1
-
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-
-#if defined(CONFIG_PROC_FS) && defined(PCI_COUNTERS)
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#endif /* CONFIG_PROC_FS && PCI_COUNTERS */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include <asm/byteorder.h>
-#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
-#include <asm/mipsmtregs.h>
-#endif
-
-#include <msp_prom.h>
-#include <msp_cic_int.h>
-#include <msp_pci.h>
-#include <msp_regs.h>
-#include <msp_regops.h>
-
-#define PCI_ACCESS_READ 0
-#define PCI_ACCESS_WRITE 1
-
-#if defined(CONFIG_PROC_FS) && defined(PCI_COUNTERS)
-static char proc_init;
-extern struct proc_dir_entry *proc_bus_pci_dir;
-unsigned int pci_int_count[32];
-
-static void pci_proc_init(void);
-
-/*****************************************************************************
- *
- * FUNCTION: show_msp_pci_counts
- * _________________________________________________________________________
- *
- * DESCRIPTION: Prints the count of how many times each PCI
- * interrupt has asserted. Can be invoked by the
- * /proc filesystem.
- *
- * INPUTS: m - synthetic file construction data
- * v - iterator
- *
- * RETURNS: 0 or error
- *
- ****************************************************************************/
-static int show_msp_pci_counts(struct seq_file *m, void *v)
-{
- int i;
- unsigned int intcount, total = 0;
-
- for (i = 0; i < 32; ++i) {
- intcount = pci_int_count[i];
- if (intcount != 0) {
- seq_printf(m, "[%d] = %u\n", i, intcount);
- total += intcount;
- }
- }
-
- seq_printf(m, "total = %u\n", total);
- return 0;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: gen_pci_cfg_wr_show
- * _________________________________________________________________________
- *
- * DESCRIPTION: Generates a configuration write cycle for debug purposes.
- * The IDSEL line asserted and location and data written are
- * immaterial. Just want to be able to prove that a
- * configuration write can be correctly generated on the
- * PCI bus. Intent is that this function by invocable from
- * the /proc filesystem.
- *
- * INPUTS: m - synthetic file construction data
- * v - iterator
- *
- * RETURNS: 0 or error
- *
- ****************************************************************************/
-static int gen_pci_cfg_wr_show(struct seq_file *m, void *v)
-{
- unsigned char where = 0; /* Write to static Device/Vendor ID */
- unsigned char bus_num = 0; /* Bus 0 */
- unsigned char dev_fn = 0xF; /* Arbitrary device number */
- u32 wr_data = 0xFF00AA00; /* Arbitrary data */
- struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
- unsigned long value;
- int intr;
-
- seq_puts(m, "PMC MSP PCI: Beginning\n");
-
- if (proc_init == 0) {
- pci_proc_init();
- proc_init = ~0;
- }
-
- seq_puts(m, "PMC MSP PCI: Before Cfg Wr\n");
-
- /*
- * Generate PCI Configuration Write Cycle
- */
-
- /* Clear cause register bits */
- preg->if_status = ~(BPCI_IFSTATUS_BC0F | BPCI_IFSTATUS_BC1F);
-
- /* Setup address that is to appear on PCI bus */
- preg->config_addr = BPCI_CFGADDR_ENABLE |
- (bus_num << BPCI_CFGADDR_BUSNUM_SHF) |
- (dev_fn << BPCI_CFGADDR_FUNCTNUM_SHF) |
- (where & 0xFC);
-
- value = cpu_to_le32(wr_data);
-
- /* Launch the PCI configuration write cycle */
- *PCI_CONFIG_SPACE_REG = value;
-
- /*
- * Check if the PCI configuration cycle (rd or wr) succeeded, by
- * checking the status bits for errors like master or target abort.
- */
- intr = preg->if_status;
-
- seq_puts(m, "PMC MSP PCI: After Cfg Wr\n");
- return 0;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: pci_proc_init
- * _________________________________________________________________________
- *
- * DESCRIPTION: Create entries in the /proc filesystem for debug access.
- *
- * INPUTS: none
- *
- * OUTPUTS: none
- *
- * RETURNS: none
- *
- ****************************************************************************/
-static void pci_proc_init(void)
-{
- proc_create_single("pmc_msp_pci_rd_cnt", 0, NULL, show_msp_pci_counts);
- proc_create_single("pmc_msp_pci_cfg_wr", 0, NULL, gen_pci_cfg_wr_show);
-}
-#endif /* CONFIG_PROC_FS && PCI_COUNTERS */
-
-/*****************************************************************************
- *
- * STRUCT: pci_io_resource
- * _________________________________________________________________________
- *
- * DESCRIPTION: Defines the address range that pciauto() will use to
- * assign to the I/O BARs of PCI devices.
- *
- * Use the start and end addresses of the MSP7120 PCI Host
- * Controller I/O space, in the form that they appear on the
- * PCI bus AFTER MSP7120 has performed address translation.
- *
- * For I/O accesses, MSP7120 ignores OATRAN and maps I/O
- * accesses into the bottom 0xFFF region of address space,
- * so that is the range to put into the pci_io_resource
- * struct.
- *
- * In MSP4200, the start address was 0x04 instead of the
- * expected 0x00. Will just assume there was a good reason
- * for this!
- *
- * NOTES: Linux, by default, will assign I/O space to the lowest
- * region of address space. Since MSP7120 and Linux,
- * by default, have no offset in between how they map, the
- * io_offset element of pci_controller struct should be set
- * to zero.
- * ELEMENTS:
- * name - String used for a meaningful name.
- *
- * start - Start address of MSP7120's I/O space, as MSP7120 presents
- * the address on the PCI bus.
- *
- * end - End address of MSP7120's I/O space, as MSP7120 presents
- * the address on the PCI bus.
- *
- * flags - Attributes indicating the type of resource. In this case,
- * indicate I/O space.
- *
- ****************************************************************************/
-static struct resource pci_io_resource = {
- .name = "pci IO space",
- .start = 0x04,
- .end = 0x0FFF,
- .flags = IORESOURCE_IO /* I/O space */
-};
-
-/*****************************************************************************
- *
- * STRUCT: pci_mem_resource
- * _________________________________________________________________________
- *
- * DESCRIPTION: Defines the address range that pciauto() will use to
- * assign to the memory BARs of PCI devices.
- *
- * The .start and .end values are dependent upon how address
- * translation is performed by the OATRAN regiser.
- *
- * The values to use for .start and .end are the values
- * in the form they appear on the PCI bus AFTER MSP7120 has
- * performed OATRAN address translation.
- *
- * ELEMENTS:
- * name - String used for a meaningful name.
- *
- * start - Start address of MSP7120's memory space, as MSP7120 presents
- * the address on the PCI bus.
- *
- * end - End address of MSP7120's memory space, as MSP7120 presents
- * the address on the PCI bus.
- *
- * flags - Attributes indicating the type of resource. In this case,
- * indicate memory space.
- *
- ****************************************************************************/
-static struct resource pci_mem_resource = {
- .name = "pci memory space",
- .start = MSP_PCI_SPACE_BASE,
- .end = MSP_PCI_SPACE_END,
- .flags = IORESOURCE_MEM /* memory space */
-};
-
-/*****************************************************************************
- *
- * FUNCTION: bpci_interrupt
- * _________________________________________________________________________
- *
- * DESCRIPTION: PCI status interrupt handler. Updates the count of how
- * many times each status bit has been set, then clears
- * the status bits. If the appropriate macros are defined,
- * these counts can be viewed via the /proc filesystem.
- *
- * INPUTS: irq - unused
- * dev_id - unused
- * pt_regs - unused
- *
- * OUTPUTS: none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- *
- ****************************************************************************/
-static irqreturn_t bpci_interrupt(int irq, void *dev_id)
-{
- struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
- unsigned int stat = preg->if_status;
-
-#if defined(CONFIG_PROC_FS) && defined(PCI_COUNTERS)
- int i;
- for (i = 0; i < 32; ++i) {
- if ((1 << i) & stat)
- ++pci_int_count[i];
- }
-#endif /* PROC_FS && PCI_COUNTERS */
-
- /* printk("PCI ISR: Status=%08X\n", stat); */
-
- /* write to clear all asserted interrupts */
- preg->if_status = stat;
-
- return IRQ_HANDLED;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_config_access
- * _________________________________________________________________________
- *
- * DESCRIPTION: Performs a PCI configuration access (rd or wr), then
- * checks that the access succeeded by querying MSP7120's
- * PCI status bits.
- *
- * INPUTS:
- * access_type - kind of PCI configuration cycle to perform
- * (read or write). Legal values are
- * PCI_ACCESS_WRITE and PCI_ACCESS_READ.
- *
- * bus - pointer to the bus number of the device to
- * be targeted for the configuration cycle.
- * The only element of the pci_bus structure
- * used is bus->number. This argument determines
- * if the configuration access will be Type 0 or
- * Type 1. Since MSP7120 assumes itself to be the
- * PCI Host, any non-zero bus->number generates
- * a Type 1 access.
- *
- * devfn - this is an 8-bit field. The lower three bits
- * specify the function number of the device to
- * be targeted for the configuration cycle, with
- * all three-bit combinations being legal. The
- * upper five bits specify the device number,
- * with legal values being 10 to 31.
- *
- * where - address within the Configuration Header
- * space to access.
- *
- * data - for write accesses, contains the data to
- * write.
- *
- * OUTPUTS:
- * data - for read accesses, contains the value read.
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * -1 - access failure
- *
- ****************************************************************************/
-int msp_pcibios_config_access(unsigned char access_type,
- struct pci_bus *bus,
- unsigned int devfn,
- unsigned char where,
- u32 *data)
-{
- struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
- unsigned char bus_num = bus->number;
- unsigned char dev_fn = (unsigned char)devfn;
- unsigned long intr;
- unsigned long value;
- static char pciirqflag;
- int ret;
-#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
- unsigned int vpe_status;
-#endif
-
-#if defined(CONFIG_PROC_FS) && defined(PCI_COUNTERS)
- if (proc_init == 0) {
- pci_proc_init();
- proc_init = ~0;
- }
-#endif /* CONFIG_PROC_FS && PCI_COUNTERS */
-
- /*
- * Just the first time this function invokes, allocate
- * an interrupt line for PCI host status interrupts. The
- * allocation assigns an interrupt handler to the interrupt.
- */
- if (pciirqflag == 0) {
- ret = request_irq(MSP_INT_PCI,/* Hardcoded internal MSP7120 wiring */
- bpci_interrupt,
- IRQF_SHARED,
- "PMC MSP PCI Host",
- preg);
- if (ret != 0)
- return ret;
- pciirqflag = ~0;
- }
-
-#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
- vpe_status = dvpe();
-#endif
-
- /*
- * Clear PCI cause register bits.
- *
- * In Polo, the PCI Host had a dedicated DMA called the
- * Block Copy (not to be confused with the general purpose Block
- * Copy Engine block). There appear to have been special interrupts
- * for this Block Copy, called Block Copy 0 Fault (BC0F) and
- * Block Copy 1 Fault (BC1F). MSP4200 and MSP7120 don't have this
- * dedicated Block Copy block, so these two interrupts are now
- * marked reserved. In case the Block Copy is resurrected in a
- * future design, maintain the code that treats these two interrupts
- * specially.
- *
- * Write to clear all interrupts in the PCI status register, aside
- * from BC0F and BC1F.
- */
- preg->if_status = ~(BPCI_IFSTATUS_BC0F | BPCI_IFSTATUS_BC1F);
-
- /* Setup address that is to appear on PCI bus */
- preg->config_addr = BPCI_CFGADDR_ENABLE |
- (bus_num << BPCI_CFGADDR_BUSNUM_SHF) |
- (dev_fn << BPCI_CFGADDR_FUNCTNUM_SHF) |
- (where & 0xFC);
-
- /* IF access is a PCI configuration write */
- if (access_type == PCI_ACCESS_WRITE) {
- value = cpu_to_le32(*data);
- *PCI_CONFIG_SPACE_REG = value;
- } else {
- /* ELSE access is a PCI configuration read */
- value = le32_to_cpu(*PCI_CONFIG_SPACE_REG);
- *data = value;
- }
-
- /*
- * Check if the PCI configuration cycle (rd or wr) succeeded, by
- * checking the status bits for errors like master or target abort.
- */
- intr = preg->if_status;
-
- /* Clear config access */
- preg->config_addr = 0;
-
- /* IF error occurred */
- if (intr & ~(BPCI_IFSTATUS_BC0F | BPCI_IFSTATUS_BC1F)) {
- /* Clear status bits */
- preg->if_status = ~(BPCI_IFSTATUS_BC0F | BPCI_IFSTATUS_BC1F);
-
-#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
- evpe(vpe_status);
-#endif
-
- return -1;
- }
-
-#if defined(CONFIG_PMC_MSP7120_GW) || defined(CONFIG_PMC_MSP7120_EVAL)
- evpe(vpe_status);
-#endif
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_read_config_byte
- * _________________________________________________________________________
- *
- * DESCRIPTION: Read a byte from PCI configuration address spac
- * Since the hardware can't address 8 bit chunks
- * directly, read a 32-bit chunk, then mask off extraneous
- * bits.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the read is destined for.
- * devfn - device/function combination that the read is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- *
- * OUTPUTS val - read data
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * -1 - read access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_read_config_byte(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u32 *val)
-{
- u32 data = 0;
-
- /*
- * If the config access did not complete normally (e.g., underwent
- * master abort) do the PCI compliant thing, which is to supply an
- * all ones value.
- */
- if (msp_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data)) {
- *val = 0xFFFFFFFF;
- return -1;
- }
-
- *val = (data >> ((where & 3) << 3)) & 0x0ff;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_read_config_word
- * _________________________________________________________________________
- *
- * DESCRIPTION: Read a word (16 bits) from PCI configuration address space.
- * Since the hardware can't address 16 bit chunks
- * directly, read a 32-bit chunk, then mask off extraneous
- * bits.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the read is destined for.
- * devfn - device/function combination that the read is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- *
- * OUTPUTS val - read data
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * PCIBIOS_BAD_REGISTER_NUMBER - bad register address
- * -1 - read access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_read_config_word(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u32 *val)
-{
- u32 data = 0;
-
- /* if (where & 1) */ /* Commented out non-compliant code.
- * Should allow word access to configuration
- * registers, with only exception being when
- * the word access would wrap around into
- * the next dword.
- */
- if ((where & 3) == 3) {
- *val = 0xFFFFFFFF;
- return PCIBIOS_BAD_REGISTER_NUMBER;
- }
-
- /*
- * If the config access did not complete normally (e.g., underwent
- * master abort) do the PCI compliant thing, which is to supply an
- * all ones value.
- */
- if (msp_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data)) {
- *val = 0xFFFFFFFF;
- return -1;
- }
-
- *val = (data >> ((where & 3) << 3)) & 0x0ffff;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_read_config_dword
- * _________________________________________________________________________
- *
- * DESCRIPTION: Read a double word (32 bits) from PCI configuration
- * address space.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the read is destined for.
- * devfn - device/function combination that the read is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- *
- * OUTPUTS val - read data
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * PCIBIOS_BAD_REGISTER_NUMBER - bad register address
- * -1 - read access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_read_config_dword(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u32 *val)
-{
- u32 data = 0;
-
- /* Address must be dword aligned. */
- if (where & 3) {
- *val = 0xFFFFFFFF;
- return PCIBIOS_BAD_REGISTER_NUMBER;
- }
-
- /*
- * If the config access did not complete normally (e.g., underwent
- * master abort) do the PCI compliant thing, which is to supply an
- * all ones value.
- */
- if (msp_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data)) {
- *val = 0xFFFFFFFF;
- return -1;
- }
-
- *val = data;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_write_config_byte
- * _________________________________________________________________________
- *
- * DESCRIPTION: Write a byte to PCI configuration address space.
- * Since the hardware can't address 8 bit chunks
- * directly, a read-modify-write is performed.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the write is destined for.
- * devfn - device/function combination that the write is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- * val - value to write
- *
- * OUTPUTS none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * -1 - write access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_write_config_byte(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u8 val)
-{
- u32 data = 0;
-
- /* read config space */
- if (msp_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data))
- return -1;
-
- /* modify the byte within the dword */
- data = (data & ~(0xff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
-
- /* write back the full dword */
- if (msp_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn,
- where, &data))
- return -1;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_write_config_word
- * _________________________________________________________________________
- *
- * DESCRIPTION: Write a word (16-bits) to PCI configuration address space.
- * Since the hardware can't address 16 bit chunks
- * directly, a read-modify-write is performed.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the write is destined for.
- * devfn - device/function combination that the write is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- * val - value to write
- *
- * OUTPUTS none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * PCIBIOS_BAD_REGISTER_NUMBER - bad register address
- * -1 - write access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_write_config_word(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u16 val)
-{
- u32 data = 0;
-
- /* Fixed non-compliance: if (where & 1) */
- if ((where & 3) == 3)
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- /* read config space */
- if (msp_pcibios_config_access(PCI_ACCESS_READ, bus, devfn,
- where, &data))
- return -1;
-
- /* modify the word within the dword */
- data = (data & ~(0xffff << ((where & 3) << 3))) |
- (val << ((where & 3) << 3));
-
- /* write back the full dword */
- if (msp_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn,
- where, &data))
- return -1;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_write_config_dword
- * _________________________________________________________________________
- *
- * DESCRIPTION: Write a double word (32-bits) to PCI configuration address
- * space.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the write is destined for.
- * devfn - device/function combination that the write is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- * val - value to write
- *
- * OUTPUTS none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * PCIBIOS_BAD_REGISTER_NUMBER - bad register address
- * -1 - write access failure
- *
- ****************************************************************************/
-static int
-msp_pcibios_write_config_dword(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- u32 val)
-{
- /* check that address is dword aligned */
- if (where & 3)
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- /* perform write */
- if (msp_pcibios_config_access(PCI_ACCESS_WRITE, bus, devfn,
- where, &val))
- return -1;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_read_config
- * _________________________________________________________________________
- *
- * DESCRIPTION: Interface the PCI configuration read request with
- * the appropriate function, based on how many bytes
- * the read request is.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the write is destined for.
- * devfn - device/function combination that the write is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- * size - in units of bytes, should be 1, 2, or 4.
- *
- * OUTPUTS val - value read, with any extraneous bytes masked
- * to zero.
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * -1 - failure
- *
- ****************************************************************************/
-int
-msp_pcibios_read_config(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- int size,
- u32 *val)
-{
- if (size == 1) {
- if (msp_pcibios_read_config_byte(bus, devfn, where, val)) {
- return -1;
- }
- } else if (size == 2) {
- if (msp_pcibios_read_config_word(bus, devfn, where, val)) {
- return -1;
- }
- } else if (size == 4) {
- if (msp_pcibios_read_config_dword(bus, devfn, where, val)) {
- return -1;
- }
- } else {
- *val = 0xFFFFFFFF;
- return -1;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pcibios_write_config
- * _________________________________________________________________________
- *
- * DESCRIPTION: Interface the PCI configuration write request with
- * the appropriate function, based on how many bytes
- * the read request is.
- *
- * INPUTS bus - structure containing attributes for the PCI bus
- * that the write is destined for.
- * devfn - device/function combination that the write is
- * destined for.
- * where - register within the Configuration Header space
- * to access.
- * size - in units of bytes, should be 1, 2, or 4.
- * val - value to write
- *
- * OUTPUTS: none
- *
- * RETURNS: PCIBIOS_SUCCESSFUL - success
- * -1 - failure
- *
- ****************************************************************************/
-int
-msp_pcibios_write_config(struct pci_bus *bus,
- unsigned int devfn,
- int where,
- int size,
- u32 val)
-{
- if (size == 1) {
- if (msp_pcibios_write_config_byte(bus, devfn,
- where, (u8)(0xFF & val))) {
- return -1;
- }
- } else if (size == 2) {
- if (msp_pcibios_write_config_word(bus, devfn,
- where, (u16)(0xFFFF & val))) {
- return -1;
- }
- } else if (size == 4) {
- if (msp_pcibios_write_config_dword(bus, devfn, where, val)) {
- return -1;
- }
- } else {
- return -1;
- }
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/*****************************************************************************
- *
- * STRUCTURE: msp_pci_ops
- * _________________________________________________________________________
- *
- * DESCRIPTION: structure to abstract the hardware specific PCI
- * configuration accesses.
- *
- * ELEMENTS:
- * read - function for Linux to generate PCI Configuration reads.
- * write - function for Linux to generate PCI Configuration writes.
- *
- ****************************************************************************/
-struct pci_ops msp_pci_ops = {
- .read = msp_pcibios_read_config,
- .write = msp_pcibios_write_config
-};
-
-/*****************************************************************************
- *
- * STRUCTURE: msp_pci_controller
- * _________________________________________________________________________
- *
- * Describes the attributes of the MSP7120 PCI Host Controller
- *
- * ELEMENTS:
- * pci_ops - abstracts the hardware specific PCI configuration
- * accesses.
- *
- * mem_resource - address range pciauto() uses to assign to PCI device
- * memory BARs.
- *
- * mem_offset - offset between how MSP7120 outbound PCI memory
- * transaction addresses appear on the PCI bus and how Linux
- * wants to configure memory BARs of the PCI devices.
- * MSP7120 does nothing funky, so just set to zero.
- *
- * io_resource - address range pciauto() uses to assign to PCI device
- * I/O BARs.
- *
- * io_offset - offset between how MSP7120 outbound PCI I/O
- * transaction addresses appear on the PCI bus and how
- * Linux defaults to configure I/O BARs of the PCI devices.
- * MSP7120 maps outbound I/O accesses into the bottom
- * bottom 4K of PCI address space (and ignores OATRAN).
- * Since the Linux default is to configure I/O BARs to the
- * bottom 4K, no special offset is needed. Just set to zero.
- *
- ****************************************************************************/
-static struct pci_controller msp_pci_controller = {
- .pci_ops = &msp_pci_ops,
- .mem_resource = &pci_mem_resource,
- .mem_offset = 0,
- .io_map_base = MSP_PCI_IOSPACE_BASE,
- .io_resource = &pci_io_resource,
- .io_offset = 0
-};
-
-/*****************************************************************************
- *
- * FUNCTION: msp_pci_init
- * _________________________________________________________________________
- *
- * DESCRIPTION: Initialize the PCI Host Controller and register it with
- * Linux so Linux can seize control of the PCI bus.
- *
- ****************************************************************************/
-void __init msp_pci_init(void)
-{
- struct msp_pci_regs *preg = (void *)PCI_BASE_REG;
- u32 id;
-
- /* Extract Device ID */
- id = read_reg32(PCI_JTAG_DEVID_REG, 0xFFFF) >> 12;
-
- /* Check if JTAG ID identifies MSP7120 */
- if (!MSP_HAS_PCI(id)) {
- printk(KERN_WARNING "PCI: No PCI; id reads as %x\n", id);
- goto no_pci;
- }
-
- /*
- * Enable flushing of the PCI-SDRAM queue upon a read
- * of the SDRAM's Memory Configuration Register.
- */
- *(unsigned long *)QFLUSH_REG_1 = 3;
-
- /* Configure PCI Host Controller. */
- preg->if_status = ~0; /* Clear cause register bits */
- preg->config_addr = 0; /* Clear config access */
- preg->oatran = MSP_PCI_OATRAN; /* PCI outbound addr translation */
- preg->if_mask = 0xF8BF87C0; /* Enable all PCI status interrupts */
-
- /* configure so inb(), outb(), and family are functional */
- set_io_port_base(MSP_PCI_IOSPACE_BASE);
-
- /* Tell Linux the details of the MSP7120 PCI Host Controller */
- register_pci_controller(&msp_pci_controller);
-
- return;
-
-no_pci:
- /* Disable PCI channel */
- printk(KERN_WARNING "PCI: no host PCI bus detected\n");
-}
diff --git a/arch/mips/pci/pci-alchemy.c b/arch/mips/pci/pci-alchemy.c
index 01a2af8215c8..7285b5667568 100644
--- a/arch/mips/pci/pci-alchemy.c
+++ b/arch/mips/pci/pci-alchemy.c
@@ -52,7 +52,7 @@ struct alchemy_pci_context {
static struct alchemy_pci_context *__alchemy_pci_ctx;
-/* IO/MEM resources for PCI. Keep the memres in sync with __fixup_bigphys_addr
+/* IO/MEM resources for PCI. Keep the memres in sync with fixup_bigphys_addr
* in arch/mips/alchemy/common/setup.c
*/
static struct resource alchemy_pci_def_memres = {
diff --git a/arch/mips/pci/pci-emma2rh.c b/arch/mips/pci/pci-emma2rh.c
deleted file mode 100644
index 156091a3e341..000000000000
--- a/arch/mips/pci/pci-emma2rh.c
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) NEC Electronics Corporation 2004-2006
- *
- * This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
- *
- * Copyright 2001 MontaVista Software Inc.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-
-#include <asm/bootinfo.h>
-
-#include <asm/emma/emma2rh.h>
-
-static struct resource pci_io_resource = {
- .name = "pci IO space",
- .start = EMMA2RH_PCI_IO_BASE,
- .end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1,
- .flags = IORESOURCE_IO,
-};
-
-static struct resource pci_mem_resource = {
- .name = "pci memory space",
- .start = EMMA2RH_PCI_MEM_BASE,
- .end = EMMA2RH_PCI_MEM_BASE + EMMA2RH_PCI_MEM_SIZE - 1,
- .flags = IORESOURCE_MEM,
-};
-
-extern struct pci_ops emma2rh_pci_ops;
-
-static struct pci_controller emma2rh_pci_controller = {
- .pci_ops = &emma2rh_pci_ops,
- .mem_resource = &pci_mem_resource,
- .io_resource = &pci_io_resource,
- .mem_offset = -0x04000000,
- .io_offset = 0,
-};
-
-static void __init emma2rh_pci_init(void)
-{
- /* setup PCI interface */
- emma2rh_out32(EMMA2RH_PCI_ARBIT_CTR, 0x70f);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x80000a18);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_COMMAND,
- PCI_STATUS_DEVSEL_MEDIUM | PCI_STATUS_CAP_LIST |
- PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_0, 0x10000000);
- emma2rh_out32(EMMA2RH_PCI_CONFIG_BASE + PCI_BASE_ADDRESS_1, 0x00000000);
-
- emma2rh_out32(EMMA2RH_PCI_IWIN0_CTR, 0x12000000 | 0x218);
- emma2rh_out32(EMMA2RH_PCI_IWIN1_CTR, 0x18000000 | 0x600);
- emma2rh_out32(EMMA2RH_PCI_INIT_ESWP, 0x00000200);
-
- emma2rh_out32(EMMA2RH_PCI_TWIN_CTR, 0x00009200);
- emma2rh_out32(EMMA2RH_PCI_TWIN_BADR, 0x00000000);
- emma2rh_out32(EMMA2RH_PCI_TWIN0_DADR, 0x00000000);
- emma2rh_out32(EMMA2RH_PCI_TWIN1_DADR, 0x00000000);
-}
-
-static int __init emma2rh_pci_setup(void)
-{
- emma2rh_pci_init();
- register_pci_controller(&emma2rh_pci_controller);
- return 0;
-}
-
-arch_initcall(emma2rh_pci_setup);
diff --git a/arch/mips/pci/pci-lasat.c b/arch/mips/pci/pci-lasat.c
deleted file mode 100644
index 47f4ee6bbb3b..000000000000
--- a/arch/mips/pci/pci-lasat.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2000, 2001, 04 Keith M Wesolowski
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-
-#include <asm/lasat/lasat.h>
-
-#include <irq.h>
-
-extern struct pci_ops nile4_pci_ops;
-extern struct pci_ops gt64xxx_pci0_ops;
-static struct resource lasat_pci_mem_resource = {
- .name = "LASAT PCI MEM",
- .start = 0x18000000,
- .end = 0x19ffffff,
- .flags = IORESOURCE_MEM,
-};
-
-static struct resource lasat_pci_io_resource = {
- .name = "LASAT PCI IO",
- .start = 0x1a000000,
- .end = 0x1bffffff,
- .flags = IORESOURCE_IO,
-};
-
-static struct pci_controller lasat_pci_controller = {
- .mem_resource = &lasat_pci_mem_resource,
- .io_resource = &lasat_pci_io_resource,
-};
-
-static int __init lasat_pci_setup(void)
-{
- printk(KERN_DEBUG "PCI: starting\n");
-
- if (IS_LASAT_200())
- lasat_pci_controller.pci_ops = &nile4_pci_ops;
- else
- lasat_pci_controller.pci_ops = &gt64xxx_pci0_ops;
-
- register_pci_controller(&lasat_pci_controller);
-
- return 0;
-}
-
-arch_initcall(lasat_pci_setup);
-
-#define LASAT_IRQ_ETH1 (LASAT_IRQ_BASE + 0)
-#define LASAT_IRQ_ETH0 (LASAT_IRQ_BASE + 1)
-#define LASAT_IRQ_HDC (LASAT_IRQ_BASE + 2)
-#define LASAT_IRQ_COMP (LASAT_IRQ_BASE + 3)
-#define LASAT_IRQ_HDLC (LASAT_IRQ_BASE + 4)
-#define LASAT_IRQ_PCIA (LASAT_IRQ_BASE + 5)
-#define LASAT_IRQ_PCIB (LASAT_IRQ_BASE + 6)
-#define LASAT_IRQ_PCIC (LASAT_IRQ_BASE + 7)
-#define LASAT_IRQ_PCID (LASAT_IRQ_BASE + 8)
-
-int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- switch (slot) {
- case 1:
- case 2:
- case 3:
- return LASAT_IRQ_PCIA + (((slot-1) + (pin-1)) % 4);
- case 4:
- return LASAT_IRQ_ETH1; /* Ethernet 1 (LAN 2) */
- case 5:
- return LASAT_IRQ_ETH0; /* Ethernet 0 (LAN 1) */
- case 6:
- return LASAT_IRQ_HDC; /* IDE controller */
- default:
- return 0xff; /* Illegal */
- }
-
- return -1;
-}
-
-/* Do platform specific device initialization at pci_enable_device() time */
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
diff --git a/arch/mips/pic32/Platform b/arch/mips/pic32/Platform
index cd2084f44507..1e92e52a137b 100644
--- a/arch/mips/pic32/Platform
+++ b/arch/mips/pic32/Platform
@@ -1,7 +1,6 @@
#
# PIC32MZDA
#
-platform-$(CONFIG_PIC32MZDA) += pic32/
cflags-$(CONFIG_PIC32MZDA) += -I$(srctree)/arch/mips/include/asm/mach-pic32
load-$(CONFIG_PIC32MZDA) += 0xffffffff88000000
all-$(CONFIG_PIC32MZDA) := $(COMPRESSION_FNAME).bin
diff --git a/arch/mips/pistachio/Platform b/arch/mips/pistachio/Platform
index c3592b374ad2..f73a1a929965 100644
--- a/arch/mips/pistachio/Platform
+++ b/arch/mips/pistachio/Platform
@@ -1,7 +1,6 @@
#
# IMG Pistachio SoC
#
-platform-$(CONFIG_MACH_PISTACHIO) += pistachio/
cflags-$(CONFIG_MACH_PISTACHIO) += \
-I$(srctree)/arch/mips/include/asm/mach-pistachio
load-$(CONFIG_MACH_PISTACHIO) += 0xffffffff80400000
diff --git a/arch/mips/pistachio/init.c b/arch/mips/pistachio/init.c
index a09a5da38e6b..558995ed6fe8 100644
--- a/arch/mips/pistachio/init.c
+++ b/arch/mips/pistachio/init.c
@@ -83,12 +83,12 @@ phys_addr_t mips_cdmm_phys_base(void)
static void __init mips_nmi_setup(void)
{
void *base;
- extern char except_vec_nmi;
+ extern char except_vec_nmi[];
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa80) :
(void *)(CAC_BASE + 0x380);
- memcpy(base, &except_vec_nmi, 0x80);
+ memcpy(base, except_vec_nmi, 0x80);
flush_icache_range((unsigned long)base,
(unsigned long)base + 0x80);
}
@@ -96,12 +96,12 @@ static void __init mips_nmi_setup(void)
static void __init mips_ejtag_setup(void)
{
void *base;
- extern char except_vec_ejtag_debug;
+ extern char except_vec_ejtag_debug[];
base = cpu_has_veic ?
(void *)(CAC_BASE + 0xa00) :
(void *)(CAC_BASE + 0x300);
- memcpy(base, &except_vec_ejtag_debug, 0x80);
+ memcpy(base, except_vec_ejtag_debug, 0x80);
flush_icache_range((unsigned long)base,
(unsigned long)base + 0x80);
}
diff --git a/arch/mips/pmcs-msp71xx/Kconfig b/arch/mips/pmcs-msp71xx/Kconfig
deleted file mode 100644
index b185b7620c97..000000000000
--- a/arch/mips/pmcs-msp71xx/Kconfig
+++ /dev/null
@@ -1,50 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-choice
- prompt "PMC-Sierra MSP SOC type"
- depends on PMC_MSP
-
-config PMC_MSP4200_EVAL
- bool "PMC-Sierra MSP4200 Eval Board"
- select IRQ_MSP_SLP
- select HAVE_PCI
- select MIPS_L1_CACHE_SHIFT_4
-
-config PMC_MSP4200_GW
- bool "PMC-Sierra MSP4200 VoIP Gateway"
- select IRQ_MSP_SLP
- select HAVE_PCI
-
-config PMC_MSP7120_EVAL
- bool "PMC-Sierra MSP7120 Eval Board"
- select SYS_SUPPORTS_MULTITHREADING
- select IRQ_MSP_CIC
- select HAVE_PCI
-
-config PMC_MSP7120_GW
- bool "PMC-Sierra MSP7120 Residential Gateway"
- select SYS_SUPPORTS_MULTITHREADING
- select IRQ_MSP_CIC
- select HAVE_PCI
- select MSP_HAS_USB
- select MSP_ETH
-
-config PMC_MSP7120_FPGA
- bool "PMC-Sierra MSP7120 FPGA"
- select SYS_SUPPORTS_MULTITHREADING
- select IRQ_MSP_CIC
- select HAVE_PCI
-
-endchoice
-
-config MSP_HAS_USB
- bool
- depends on PMC_MSP
-
-config MSP_ETH
- bool
- select MSP_HAS_MAC
- depends on PMC_MSP
-
-config MSP_HAS_MAC
- bool
- depends on PMC_MSP
diff --git a/arch/mips/pmcs-msp71xx/Makefile b/arch/mips/pmcs-msp71xx/Makefile
deleted file mode 100644
index c040bd6ed62d..000000000000
--- a/arch/mips/pmcs-msp71xx/Makefile
+++ /dev/null
@@ -1,13 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-#
-# Makefile for the PMC-Sierra MSP SOCs
-#
-obj-y += msp_prom.o msp_setup.o msp_irq.o \
- msp_time.o msp_serial.o msp_elb.o
-obj-$(CONFIG_PMC_MSP7120_GW) += msp_hwbutton.o
-obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o
-obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o msp_irq_per.o
-obj-$(CONFIG_PCI) += msp_pci.o
-obj-$(CONFIG_MSP_HAS_MAC) += msp_eth.o
-obj-$(CONFIG_MSP_HAS_USB) += msp_usb.o
-obj-$(CONFIG_MIPS_MT_SMP) += msp_smp.o
diff --git a/arch/mips/pmcs-msp71xx/Platform b/arch/mips/pmcs-msp71xx/Platform
deleted file mode 100644
index 7af0734a5007..000000000000
--- a/arch/mips/pmcs-msp71xx/Platform
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# PMC-Sierra MSP SOCs
-#
-platform-$(CONFIG_PMC_MSP) += pmcs-msp71xx/
-cflags-$(CONFIG_PMC_MSP) += -I$(srctree)/arch/mips/include/asm/mach-pmcs-msp71xx \
- -mno-branch-likely
-load-$(CONFIG_PMC_MSP) += 0xffffffff80100000
diff --git a/arch/mips/pmcs-msp71xx/msp_elb.c b/arch/mips/pmcs-msp71xx/msp_elb.c
deleted file mode 100644
index 3e9641007216..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_elb.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Sets up the proper Chip Select configuration registers. It is assumed that
- * PMON sets up the ADDR and MASK registers properly.
- *
- * Copyright 2005-2006 PMC-Sierra, Inc.
- * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <msp_regs.h>
-
-static int __init msp_elb_setup(void)
-{
-#if defined(CONFIG_PMC_MSP7120_GW) \
- || defined(CONFIG_PMC_MSP7120_EVAL)
- /*
- * Force all CNFG to be identical and equal to CS0,
- * according to OPS doc
- */
- *CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG;
-#endif
- return 0;
-}
-
-subsys_initcall(msp_elb_setup);
diff --git a/arch/mips/pmcs-msp71xx/msp_eth.c b/arch/mips/pmcs-msp71xx/msp_eth.c
deleted file mode 100644
index 15679b427f44..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_eth.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * The setup file for ethernet related hardware on PMC-Sierra MSP processors.
- *
- * Copyright 2010 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <msp_regs.h>
-#include <msp_int.h>
-#include <msp_gpio_macros.h>
-
-
-#define MSP_ETHERNET_GPIO0 14
-#define MSP_ETHERNET_GPIO1 15
-#define MSP_ETHERNET_GPIO2 16
-
-#define MSP_ETH_ID "pmc_mspeth"
-#define MSP_ETH_SIZE 0xE0
-static struct resource msp_eth0_resources[] = {
- [0] = {
- .start = MSP_MAC0_BASE,
- .end = MSP_MAC0_BASE + MSP_ETH_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = MSP_INT_MAC0,
- .end = MSP_INT_MAC0,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct resource msp_eth1_resources[] = {
- [0] = {
- .start = MSP_MAC1_BASE,
- .end = MSP_MAC1_BASE + MSP_ETH_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = MSP_INT_MAC1,
- .end = MSP_INT_MAC1,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-
-
-static struct platform_device mspeth_device[] = {
- [0] = {
- .name = MSP_ETH_ID,
- .id = 0,
- .num_resources = ARRAY_SIZE(msp_eth0_resources),
- .resource = msp_eth0_resources,
- },
- [1] = {
- .name = MSP_ETH_ID,
- .id = 1,
- .num_resources = ARRAY_SIZE(msp_eth1_resources),
- .resource = msp_eth1_resources,
- },
-
-};
-#define msp_eth_devs mspeth_device
-
-int __init msp_eth_setup(void)
-{
- int i, ret = 0;
-
- /* Configure the GPIO and take the ethernet PHY out of reset */
- msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0);
- msp_gpio_pin_hi(MSP_ETHERNET_GPIO0);
-
- for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) {
- ret = platform_device_register(&msp_eth_devs[i]);
- printk(KERN_INFO "device: %d, return value = %d\n", i, ret);
- if (ret) {
- platform_device_unregister(&msp_eth_devs[i]);
- break;
- }
- }
-
- if (ret)
- printk(KERN_WARNING "Could not initialize "
- "MSPETH device structures.\n");
-
- return ret;
-}
-subsys_initcall(msp_eth_setup);
diff --git a/arch/mips/pmcs-msp71xx/msp_hwbutton.c b/arch/mips/pmcs-msp71xx/msp_hwbutton.c
deleted file mode 100644
index bb57ed9ea2bd..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_hwbutton.c
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * Sets up interrupt handlers for various hardware switches which are
- * connected to interrupt lines.
- *
- * Copyright 2005-2207 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-
-#include <msp_int.h>
-#include <msp_regs.h>
-#include <msp_regops.h>
-
-/* For hwbutton_interrupt->initial_state */
-#define HWBUTTON_HI 0x1
-#define HWBUTTON_LO 0x2
-
-/*
- * This struct describes a hardware button
- */
-struct hwbutton_interrupt {
- char *name; /* Name of button */
- int irq; /* Actual LINUX IRQ */
- int eirq; /* Extended IRQ number (0-7) */
- int initial_state; /* The "normal" state of the switch */
- void (*handle_hi)(void *); /* Handler: switch input has gone HI */
- void (*handle_lo)(void *); /* Handler: switch input has gone LO */
- void *data; /* Optional data to pass to handler */
-};
-
-#ifdef CONFIG_PMC_MSP7120_GW
-extern void msp_restart(char *);
-
-static void softreset_push(void *data)
-{
- printk(KERN_WARNING "SOFTRESET switch was pushed\n");
-
- /*
- * In the future you could move this to the release handler,
- * timing the difference between the 'push' and 'release', and only
- * doing this ungraceful restart if the button has been down for
- * a certain amount of time; otherwise doing a graceful restart.
- */
-
- msp_restart(NULL);
-}
-
-static void softreset_release(void *data)
-{
- printk(KERN_WARNING "SOFTRESET switch was released\n");
-
- /* Do nothing */
-}
-
-static void standby_on(void *data)
-{
- printk(KERN_WARNING "STANDBY switch was set to ON (not implemented)\n");
-
- /* TODO: Put board in standby mode */
-}
-
-static void standby_off(void *data)
-{
- printk(KERN_WARNING
- "STANDBY switch was set to OFF (not implemented)\n");
-
- /* TODO: Take out of standby mode */
-}
-
-static struct hwbutton_interrupt softreset_sw = {
- .name = "Softreset button",
- .irq = MSP_INT_EXT0,
- .eirq = 0,
- .initial_state = HWBUTTON_HI,
- .handle_hi = softreset_release,
- .handle_lo = softreset_push,
- .data = NULL,
-};
-
-static struct hwbutton_interrupt standby_sw = {
- .name = "Standby switch",
- .irq = MSP_INT_EXT1,
- .eirq = 1,
- .initial_state = HWBUTTON_HI,
- .handle_hi = standby_off,
- .handle_lo = standby_on,
- .data = NULL,
-};
-#endif /* CONFIG_PMC_MSP7120_GW */
-
-static irqreturn_t hwbutton_handler(int irq, void *data)
-{
- struct hwbutton_interrupt *hirq = data;
- unsigned long cic_ext = *CIC_EXT_CFG_REG;
-
- if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) {
- /* Interrupt: pin is now HI */
- CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
- hirq->handle_hi(hirq->data);
- } else {
- /* Interrupt: pin is now LO */
- CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq);
- hirq->handle_lo(hirq->data);
- }
-
- /*
- * Invert the POLARITY of this level interrupt to ack the interrupt
- * Thus next state change will invoke the opposite message
- */
- *CIC_EXT_CFG_REG = cic_ext;
-
- return IRQ_HANDLED;
-}
-
-static int msp_hwbutton_register(struct hwbutton_interrupt *hirq)
-{
- unsigned long cic_ext;
-
- if (hirq->handle_hi == NULL || hirq->handle_lo == NULL)
- return -EINVAL;
-
- cic_ext = *CIC_EXT_CFG_REG;
- CIC_EXT_SET_TRIGGER_LEVEL(cic_ext, hirq->eirq);
- if (hirq->initial_state == HWBUTTON_HI)
- CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq);
- else
- CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq);
- *CIC_EXT_CFG_REG = cic_ext;
-
- return request_irq(hirq->irq, hwbutton_handler, 0,
- hirq->name, hirq);
-}
-
-static int __init msp_hwbutton_setup(void)
-{
-#ifdef CONFIG_PMC_MSP7120_GW
- msp_hwbutton_register(&softreset_sw);
- msp_hwbutton_register(&standby_sw);
-#endif
- return 0;
-}
-
-subsys_initcall(msp_hwbutton_setup);
diff --git a/arch/mips/pmcs-msp71xx/msp_irq.c b/arch/mips/pmcs-msp71xx/msp_irq.c
deleted file mode 100644
index d525cc931d89..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_irq.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * IRQ vector handles
- *
- * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/ptrace.h>
-#include <linux/time.h>
-
-#include <asm/irq_cpu.h>
-#include <asm/setup.h>
-
-#include <msp_int.h>
-
-/* SLP bases systems */
-extern void msp_slp_irq_init(void);
-extern void msp_slp_irq_dispatch(void);
-
-/* CIC based systems */
-extern void msp_cic_irq_init(void);
-extern void msp_cic_irq_dispatch(void);
-
-/* VSMP support init */
-extern void msp_vsmp_int_init(void);
-
-/* vectored interrupt implementation */
-
-/* SW0/1 interrupts are used for SMP */
-static inline void mac0_int_dispatch(void) { do_IRQ(MSP_INT_MAC0); }
-static inline void mac1_int_dispatch(void) { do_IRQ(MSP_INT_MAC1); }
-static inline void mac2_int_dispatch(void) { do_IRQ(MSP_INT_SAR); }
-static inline void usb_int_dispatch(void) { do_IRQ(MSP_INT_USB); }
-static inline void sec_int_dispatch(void) { do_IRQ(MSP_INT_SEC); }
-
-/*
- * The PMC-Sierra MSP interrupts are arranged in a 3 level cascaded
- * hierarchical system. The first level are the direct MIPS interrupts
- * and are assigned the interrupt range 0-7. The second level is the SLM
- * interrupt controller and is assigned the range 8-39. The third level
- * comprises the Peripherial block, the PCI block, the PCI MSI block and
- * the SLP. The PCI interrupts and the SLP errors are handled by the
- * relevant subsystems so the core interrupt code needs only concern
- * itself with the Peripheral block. These are assigned interrupts in
- * the range 40-71.
- */
-
-asmlinkage void plat_irq_dispatch(void)
-{
- u32 pending;
-
- pending = read_c0_status() & read_c0_cause();
-
- /*
- * jump to the correct interrupt routine
- * These are arranged in priority order and the timer
- * comes first!
- */
-
-#ifdef CONFIG_IRQ_MSP_CIC /* break out the CIC stuff for now */
- if (pending & C_IRQ4) /* do the peripherals first, that's the timer */
- msp_cic_irq_dispatch();
-
- else if (pending & C_IRQ0)
- do_IRQ(MSP_INT_MAC0);
-
- else if (pending & C_IRQ1)
- do_IRQ(MSP_INT_MAC1);
-
- else if (pending & C_IRQ2)
- do_IRQ(MSP_INT_USB);
-
- else if (pending & C_IRQ3)
- do_IRQ(MSP_INT_SAR);
-
- else if (pending & C_IRQ5)
- do_IRQ(MSP_INT_SEC);
-
-#else
- if (pending & C_IRQ5)
- do_IRQ(MSP_INT_TIMER);
-
- else if (pending & C_IRQ0)
- do_IRQ(MSP_INT_MAC0);
-
- else if (pending & C_IRQ1)
- do_IRQ(MSP_INT_MAC1);
-
- else if (pending & C_IRQ3)
- do_IRQ(MSP_INT_VE);
-
- else if (pending & C_IRQ4)
- msp_slp_irq_dispatch();
-#endif
-
- else if (pending & C_SW0) /* do software after hardware */
- do_IRQ(MSP_INT_SW0);
-
- else if (pending & C_SW1)
- do_IRQ(MSP_INT_SW1);
-}
-
-void __init arch_init_irq(void)
-{
- /* assume we'll be using vectored interrupt mode except in UP mode*/
-#ifdef CONFIG_MIPS_MT
- BUG_ON(!cpu_has_vint);
-#endif
- /* initialize the 1st-level CPU based interrupt controller */
- mips_cpu_irq_init();
-
-#ifdef CONFIG_IRQ_MSP_CIC
- msp_cic_irq_init();
-#ifdef CONFIG_MIPS_MT
- set_vi_handler(MSP_INT_CIC, msp_cic_irq_dispatch);
- set_vi_handler(MSP_INT_MAC0, mac0_int_dispatch);
- set_vi_handler(MSP_INT_MAC1, mac1_int_dispatch);
- set_vi_handler(MSP_INT_SAR, mac2_int_dispatch);
- set_vi_handler(MSP_INT_USB, usb_int_dispatch);
- set_vi_handler(MSP_INT_SEC, sec_int_dispatch);
-#ifdef CONFIG_MIPS_MT_SMP
- msp_vsmp_int_init();
-#endif /* CONFIG_MIPS_MT_SMP */
-#endif /* CONFIG_MIPS_MT */
- /* setup the cascaded interrupts */
- if (request_irq(MSP_INT_CIC, no_action, IRQF_NO_THREAD,
- "MSP CIC cascade", NULL))
- pr_err("Failed to register MSP CIC cascade interrupt\n");
- if (request_irq(MSP_INT_PER, no_action, IRQF_NO_THREAD,
- "MSP PER cascade", NULL))
- pr_err("Failed to register MSP PER cascade interrupt\n");
-
-#else
- /*
- * Setup the 2nd-level SLP register based interrupt controller.
- * VSMP support support is not enabled for SLP.
- */
- msp_slp_irq_init();
-
- /* setup the cascaded SLP/PER interrupts */
- if (request_irq(MSP_INT_SLP, no_action, IRQF_NO_THREAD,
- "MSP CIC cascade", NULL))
- pr_err("Failed to register MSP CIC cascade interrupt\n");
- if (request_irq(MSP_INT_PER, no_action, IRQF_NO_THREAD,
- "MSP PER cascade", NULL))
- pr_err("Failed to register MSP PER cascade interrupt\n");
-#endif
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_irq_cic.c b/arch/mips/pmcs-msp71xx/msp_irq_cic.c
deleted file mode 100644
index 0706010cc99f..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_irq_cic.c
+++ /dev/null
@@ -1,208 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c
- *
- * This file define the irq handler for MSP CIC subsystem interrupts.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/bitops.h>
-#include <linux/irq.h>
-
-#include <asm/mipsregs.h>
-
-#include <msp_cic_int.h>
-#include <msp_regs.h>
-
-/*
- * External API
- */
-extern void msp_per_irq_init(void);
-extern void msp_per_irq_dispatch(void);
-
-
-/*
- * Convenience Macro. Should be somewhere generic.
- */
-#define get_current_vpe() \
- ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
-
-#ifdef CONFIG_SMP
-
-#define LOCK_VPE(flags, mtflags) \
-do { \
- local_irq_save(flags); \
- mtflags = dmt(); \
-} while (0)
-
-#define UNLOCK_VPE(flags, mtflags) \
-do { \
- emt(mtflags); \
- local_irq_restore(flags);\
-} while (0)
-
-#define LOCK_CORE(flags, mtflags) \
-do { \
- local_irq_save(flags); \
- mtflags = dvpe(); \
-} while (0)
-
-#define UNLOCK_CORE(flags, mtflags) \
-do { \
- evpe(mtflags); \
- local_irq_restore(flags);\
-} while (0)
-
-#else
-
-#define LOCK_VPE(flags, mtflags)
-#define UNLOCK_VPE(flags, mtflags)
-#endif
-
-/* ensure writes to cic are completed */
-static inline void cic_wmb(void)
-{
- const volatile void __iomem *cic_mem = CIC_VPE0_MSK_REG;
- volatile u32 dummy_read;
-
- wmb();
- dummy_read = __raw_readl(cic_mem);
- dummy_read++;
-}
-
-static void unmask_cic_irq(struct irq_data *d)
-{
- volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG;
- int vpe;
-#ifdef CONFIG_SMP
- unsigned int mtflags;
- unsigned long flags;
-
- /*
- * Make sure we have IRQ affinity. It may have changed while
- * we were processing the IRQ.
- */
- if (!cpumask_test_cpu(smp_processor_id(),
- irq_data_get_affinity_mask(d)))
- return;
-#endif
-
- vpe = get_current_vpe();
- LOCK_VPE(flags, mtflags);
- cic_msk_reg[vpe] |= (1 << (d->irq - MSP_CIC_INTBASE));
- UNLOCK_VPE(flags, mtflags);
- cic_wmb();
-}
-
-static void mask_cic_irq(struct irq_data *d)
-{
- volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG;
- int vpe = get_current_vpe();
-#ifdef CONFIG_SMP
- unsigned long flags, mtflags;
-#endif
- LOCK_VPE(flags, mtflags);
- cic_msk_reg[vpe] &= ~(1 << (d->irq - MSP_CIC_INTBASE));
- UNLOCK_VPE(flags, mtflags);
- cic_wmb();
-}
-static void msp_cic_irq_ack(struct irq_data *d)
-{
- mask_cic_irq(d);
- /*
- * Only really necessary for 18, 16-14 and sometimes 3:0
- * (since these can be edge sensitive) but it doesn't
- * hurt for the others
- */
- *CIC_STS_REG = (1 << (d->irq - MSP_CIC_INTBASE));
-}
-
-/* Note: Limiting to VSMP. */
-
-#ifdef CONFIG_MIPS_MT_SMP
-static int msp_cic_irq_set_affinity(struct irq_data *d,
- const struct cpumask *cpumask, bool force)
-{
- int cpu;
- unsigned long flags;
- unsigned int mtflags;
- unsigned long imask = (1 << (d->irq - MSP_CIC_INTBASE));
- volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG;
-
- /* timer balancing should be disabled in kernel code */
- BUG_ON(d->irq == MSP_INT_VPE0_TIMER || d->irq == MSP_INT_VPE1_TIMER);
-
- LOCK_CORE(flags, mtflags);
- /* enable if any of each VPE's TCs require this IRQ */
- for_each_online_cpu(cpu) {
- if (cpumask_test_cpu(cpu, cpumask))
- cic_mask[cpu] |= imask;
- else
- cic_mask[cpu] &= ~imask;
-
- }
-
- UNLOCK_CORE(flags, mtflags);
- return 0;
-
-}
-#endif
-
-static struct irq_chip msp_cic_irq_controller = {
- .name = "MSP_CIC",
- .irq_mask = mask_cic_irq,
- .irq_mask_ack = msp_cic_irq_ack,
- .irq_unmask = unmask_cic_irq,
- .irq_ack = msp_cic_irq_ack,
-#ifdef CONFIG_MIPS_MT_SMP
- .irq_set_affinity = msp_cic_irq_set_affinity,
-#endif
-};
-
-void __init msp_cic_irq_init(void)
-{
- int i;
- /* Mask/clear interrupts. */
- *CIC_VPE0_MSK_REG = 0x00000000;
- *CIC_VPE1_MSK_REG = 0x00000000;
- *CIC_STS_REG = 0xFFFFFFFF;
- /*
- * The MSP7120 RG and EVBD boards use IRQ[6:4] for PCI.
- * These inputs map to EXT_INT_POL[6:4] inside the CIC.
- * They are to be active low, level sensitive.
- */
- *CIC_EXT_CFG_REG &= 0xFFFF8F8F;
-
- /* initialize all the IRQ descriptors */
- for (i = MSP_CIC_INTBASE ; i < MSP_CIC_INTBASE + 32 ; i++) {
- irq_set_chip_and_handler(i, &msp_cic_irq_controller,
- handle_level_irq);
- }
-
- /* Initialize the PER interrupt sub-system */
- msp_per_irq_init();
-}
-
-/* CIC masked by CIC vector processing before dispatch called */
-void msp_cic_irq_dispatch(void)
-{
- volatile u32 *cic_msk_reg = (volatile u32 *)CIC_VPE0_MSK_REG;
- u32 cic_mask;
- u32 pending;
- int cic_status = *CIC_STS_REG;
- cic_mask = cic_msk_reg[get_current_vpe()];
- pending = cic_status & cic_mask;
- if (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE))) {
- do_IRQ(MSP_INT_VPE0_TIMER);
- } else if (pending & (1 << (MSP_INT_VPE1_TIMER - MSP_CIC_INTBASE))) {
- do_IRQ(MSP_INT_VPE1_TIMER);
- } else if (pending & (1 << (MSP_INT_PER - MSP_CIC_INTBASE))) {
- msp_per_irq_dispatch();
- } else if (pending) {
- do_IRQ(ffs(pending) + MSP_CIC_INTBASE - 1);
- } else{
- spurious_interrupt();
- }
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_irq_per.c b/arch/mips/pmcs-msp71xx/msp_irq_per.c
deleted file mode 100644
index b284412b2923..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_irq_per.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c
- *
- * This file define the irq handler for MSP PER subsystem interrupts.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.h>
-
-#include <asm/mipsregs.h>
-
-#include <msp_cic_int.h>
-#include <msp_regs.h>
-
-
-/*
- * Convenience Macro. Should be somewhere generic.
- */
-#define get_current_vpe() \
- ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
-
-#ifdef CONFIG_SMP
-/*
- * The PER registers must be protected from concurrent access.
- */
-
-static DEFINE_SPINLOCK(per_lock);
-#endif
-
-/* ensure writes to per are completed */
-
-static inline void per_wmb(void)
-{
- const volatile void __iomem *per_mem = PER_INT_MSK_REG;
- volatile u32 dummy_read;
-
- wmb();
- dummy_read = __raw_readl(per_mem);
- dummy_read++;
-}
-
-static inline void unmask_per_irq(struct irq_data *d)
-{
-#ifdef CONFIG_SMP
- unsigned long flags;
- spin_lock_irqsave(&per_lock, flags);
- *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
- spin_unlock_irqrestore(&per_lock, flags);
-#else
- *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
-#endif
- per_wmb();
-}
-
-static inline void mask_per_irq(struct irq_data *d)
-{
-#ifdef CONFIG_SMP
- unsigned long flags;
- spin_lock_irqsave(&per_lock, flags);
- *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
- spin_unlock_irqrestore(&per_lock, flags);
-#else
- *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
-#endif
- per_wmb();
-}
-
-static inline void msp_per_irq_ack(struct irq_data *d)
-{
- mask_per_irq(d);
- /*
- * In the PER interrupt controller, only bits 11 and 10
- * are write-to-clear, (SPI TX complete, SPI RX complete).
- * It does nothing for any others.
- */
- *PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE));
-}
-
-#ifdef CONFIG_SMP
-static int msp_per_irq_set_affinity(struct irq_data *d,
- const struct cpumask *affinity, bool force)
-{
- /* WTF is this doing ????? */
- unmask_per_irq(d);
- return 0;
-}
-#endif
-
-static struct irq_chip msp_per_irq_controller = {
- .name = "MSP_PER",
- .irq_enable = unmask_per_irq,
- .irq_disable = mask_per_irq,
- .irq_ack = msp_per_irq_ack,
-#ifdef CONFIG_SMP
- .irq_set_affinity = msp_per_irq_set_affinity,
-#endif
-};
-
-void __init msp_per_irq_init(void)
-{
- int i;
- /* Mask/clear interrupts. */
- *PER_INT_MSK_REG = 0x00000000;
- *PER_INT_STS_REG = 0xFFFFFFFF;
- /* initialize all the IRQ descriptors */
- for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) {
- irq_set_chip(i, &msp_per_irq_controller);
- }
-}
-
-void msp_per_irq_dispatch(void)
-{
- u32 per_mask = *PER_INT_MSK_REG;
- u32 per_status = *PER_INT_STS_REG;
- u32 pending;
-
- pending = per_status & per_mask;
- if (pending) {
- do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1);
- } else {
- spurious_interrupt();
- }
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_irq_slp.c b/arch/mips/pmcs-msp71xx/msp_irq_slp.c
deleted file mode 100644
index 097a5fd3b06b..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_irq_slp.c
+++ /dev/null
@@ -1,102 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * This file define the irq handler for MSP SLM subsystem interrupts.
- *
- * Copyright 2005-2006 PMC-Sierra, Inc, derived from irq_cpu.c
- * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/bitops.h>
-
-#include <asm/mipsregs.h>
-
-#include <msp_slp_int.h>
-#include <msp_regs.h>
-
-static inline void unmask_msp_slp_irq(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- /* check for PER interrupt range */
- if (irq < MSP_PER_INTBASE)
- *SLP_INT_MSK_REG |= (1 << (irq - MSP_SLP_INTBASE));
- else
- *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE));
-}
-
-static inline void mask_msp_slp_irq(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- /* check for PER interrupt range */
- if (irq < MSP_PER_INTBASE)
- *SLP_INT_MSK_REG &= ~(1 << (irq - MSP_SLP_INTBASE));
- else
- *PER_INT_MSK_REG &= ~(1 << (irq - MSP_PER_INTBASE));
-}
-
-/*
- * While we ack the interrupt interrupts are disabled and thus we don't need
- * to deal with concurrency issues. Same for msp_slp_irq_end.
- */
-static inline void ack_msp_slp_irq(struct irq_data *d)
-{
- unsigned int irq = d->irq;
-
- /* check for PER interrupt range */
- if (irq < MSP_PER_INTBASE)
- *SLP_INT_STS_REG = (1 << (irq - MSP_SLP_INTBASE));
- else
- *PER_INT_STS_REG = (1 << (irq - MSP_PER_INTBASE));
-}
-
-static struct irq_chip msp_slp_irq_controller = {
- .name = "MSP_SLP",
- .irq_ack = ack_msp_slp_irq,
- .irq_mask = mask_msp_slp_irq,
- .irq_unmask = unmask_msp_slp_irq,
-};
-
-void __init msp_slp_irq_init(void)
-{
- int i;
-
- /* Mask/clear interrupts. */
- *SLP_INT_MSK_REG = 0x00000000;
- *PER_INT_MSK_REG = 0x00000000;
- *SLP_INT_STS_REG = 0xFFFFFFFF;
- *PER_INT_STS_REG = 0xFFFFFFFF;
-
- /* initialize all the IRQ descriptors */
- for (i = MSP_SLP_INTBASE; i < MSP_PER_INTBASE + 32; i++)
- irq_set_chip_and_handler(i, &msp_slp_irq_controller,
- handle_level_irq);
-}
-
-void msp_slp_irq_dispatch(void)
-{
- u32 pending;
- int intbase;
-
- intbase = MSP_SLP_INTBASE;
- pending = *SLP_INT_STS_REG & *SLP_INT_MSK_REG;
-
- /* check for PER interrupt */
- if (pending == (1 << (MSP_INT_PER - MSP_SLP_INTBASE))) {
- intbase = MSP_PER_INTBASE;
- pending = *PER_INT_STS_REG & *PER_INT_MSK_REG;
- }
-
- /* check for spurious interrupt */
- if (pending == 0x00000000) {
- printk(KERN_ERR "Spurious %s interrupt?\n",
- (intbase == MSP_SLP_INTBASE) ? "SLP" : "PER");
- return;
- }
-
- /* dispatch the irq */
- do_IRQ(ffs(pending) + intbase - 1);
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_pci.c b/arch/mips/pmcs-msp71xx/msp_pci.c
deleted file mode 100644
index 428dea23c35c..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_pci.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * The setup file for PCI related hardware on PMC-Sierra MSP processors.
- *
- * Copyright 2005-2006 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/init.h>
-
-#include <msp_prom.h>
-#include <msp_regs.h>
-
-extern void msp_pci_init(void);
-
-static int __init msp_pci_setup(void)
-{
-#if 0 /* Linux 2.6 initialization code to be completed */
- if (getdeviceid() & DEV_ID_SINGLE_PC) {
- /* If single card mode */
- slmRegs *sreg = (slmRegs *) SREG_BASE;
-
- sreg->single_pc_enable = SINGLE_PCCARD;
- }
-#endif
-
- msp_pci_init();
-
- return 0;
-}
-
-subsys_initcall(msp_pci_setup);
diff --git a/arch/mips/pmcs-msp71xx/msp_prom.c b/arch/mips/pmcs-msp71xx/msp_prom.c
deleted file mode 100644
index 800a21b8b8b0..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_prom.c
+++ /dev/null
@@ -1,513 +0,0 @@
-/*
- * BRIEF MODULE DESCRIPTION
- * PROM library initialisation code, assuming a version of
- * pmon is the boot code.
- *
- * Copyright 2000,2001 MontaVista Software Inc.
- * Author: MontaVista Software, Inc.
- * ppopov@mvista.com or source@mvista.com
- *
- * This file was derived from Carsten Langgaard's
- * arch/mips/mips-boards/xx files.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/export.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/interrupt.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm-generic/sections.h>
-#include <asm/page.h>
-
-#include <msp_prom.h>
-#include <msp_regs.h>
-
-/* global PROM environment variables and pointers */
-int prom_argc;
-char **prom_argv, **prom_envp;
-int *prom_vec;
-
-/* debug flag */
-int init_debug = 1;
-
-/* memory blocks */
-struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
-
-#define MAX_PROM_MEM 5
-static phys_addr_t prom_mem_base[MAX_PROM_MEM] __initdata;
-static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata;
-static unsigned int nr_prom_mem __initdata;
-
-/* default feature sets */
-static char msp_default_features[] =
-#if defined(CONFIG_PMC_MSP4200_EVAL) \
- || defined(CONFIG_PMC_MSP4200_GW)
- "ERER";
-#elif defined(CONFIG_PMC_MSP7120_EVAL) \
- || defined(CONFIG_PMC_MSP7120_GW)
- "EMEMSP";
-#elif defined(CONFIG_PMC_MSP7120_FPGA)
- "EMEM";
-#endif
-
-/* conversion functions */
-static inline unsigned char str2hexnum(unsigned char c)
-{
- if (c >= '0' && c <= '9')
- return c - '0';
- if (c >= 'a' && c <= 'f')
- return c - 'a' + 10;
- return 0; /* foo */
-}
-
-int str2eaddr(unsigned char *ea, unsigned char *str)
-{
- int index = 0;
- unsigned char num = 0;
-
- while (*str != '\0') {
- if ((*str == '.') || (*str == ':')) {
- ea[index++] = num;
- num = 0;
- str++;
- } else {
- num = num << 4;
- num |= str2hexnum(*str++);
- }
- }
-
- if (index == 5) {
- ea[index++] = num;
- return 0;
- } else
- return -1;
-}
-EXPORT_SYMBOL(str2eaddr);
-
-static inline unsigned long str2hex(unsigned char *str)
-{
- int value = 0;
-
- while (*str) {
- value = value << 4;
- value |= str2hexnum(*str++);
- }
-
- return value;
-}
-
-/* function to query the system information */
-const char *get_system_type(void)
-{
-#if defined(CONFIG_PMC_MSP4200_EVAL)
- return "PMC-Sierra MSP4200 Eval Board";
-#elif defined(CONFIG_PMC_MSP4200_GW)
- return "PMC-Sierra MSP4200 VoIP Gateway";
-#elif defined(CONFIG_PMC_MSP7120_EVAL)
- return "PMC-Sierra MSP7120 Eval Board";
-#elif defined(CONFIG_PMC_MSP7120_GW)
- return "PMC-Sierra MSP7120 Residential Gateway";
-#elif defined(CONFIG_PMC_MSP7120_FPGA)
- return "PMC-Sierra MSP7120 FPGA";
-#else
- #error "What is the type of *your* MSP?"
-#endif
-}
-
-int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr)
-{
- char *ethaddr_str;
-
- ethaddr_str = prom_getenv(ethaddr_name);
- if (!ethaddr_str) {
- printk(KERN_WARNING "%s not set in boot prom\n", ethaddr_name);
- return -1;
- }
-
- if (str2eaddr(ethernet_addr, ethaddr_str) == -1) {
- printk(KERN_WARNING "%s badly formatted-<%s>\n",
- ethaddr_name, ethaddr_str);
- return -1;
- }
-
- if (init_debug > 1) {
- int i;
- printk(KERN_DEBUG "get_ethernet_addr: for %s ", ethaddr_name);
- for (i = 0; i < 5; i++)
- printk(KERN_DEBUG "%02x:",
- (unsigned char)*(ethernet_addr+i));
- printk(KERN_DEBUG "%02x\n", *(ethernet_addr+i));
- }
-
- return 0;
-}
-EXPORT_SYMBOL(get_ethernet_addr);
-
-static char *get_features(void)
-{
- char *feature = prom_getenv(FEATURES);
-
- if (feature == NULL) {
- /* default features based on MACHINE_TYPE */
- feature = msp_default_features;
- }
-
- return feature;
-}
-
-static char test_feature(char c)
-{
- char *feature = get_features();
-
- while (*feature) {
- if (*feature++ == c)
- return *feature;
- feature++;
- }
-
- return FEATURE_NOEXIST;
-}
-
-unsigned long get_deviceid(void)
-{
- char *deviceid = prom_getenv(DEVICEID);
-
- if (deviceid == NULL)
- return *DEV_ID_REG;
- else
- return str2hex(deviceid);
-}
-
-char identify_pci(void)
-{
- return test_feature(PCI_KEY);
-}
-EXPORT_SYMBOL(identify_pci);
-
-char identify_pcimux(void)
-{
- return test_feature(PCIMUX_KEY);
-}
-
-char identify_sec(void)
-{
- return test_feature(SEC_KEY);
-}
-EXPORT_SYMBOL(identify_sec);
-
-char identify_spad(void)
-{
- return test_feature(SPAD_KEY);
-}
-EXPORT_SYMBOL(identify_spad);
-
-char identify_tdm(void)
-{
- return test_feature(TDM_KEY);
-}
-EXPORT_SYMBOL(identify_tdm);
-
-char identify_zsp(void)
-{
- return test_feature(ZSP_KEY);
-}
-EXPORT_SYMBOL(identify_zsp);
-
-static char identify_enetfeature(char key, unsigned long interface_num)
-{
- char *feature = get_features();
-
- while (*feature) {
- if (*feature++ == key && interface_num-- == 0)
- return *feature;
- feature++;
- }
-
- return FEATURE_NOEXIST;
-}
-
-char identify_enet(unsigned long interface_num)
-{
- return identify_enetfeature(ENET_KEY, interface_num);
-}
-EXPORT_SYMBOL(identify_enet);
-
-char identify_enetTxD(unsigned long interface_num)
-{
- return identify_enetfeature(ENETTXD_KEY, interface_num);
-}
-EXPORT_SYMBOL(identify_enetTxD);
-
-unsigned long identify_family(void)
-{
- unsigned long deviceid;
-
- deviceid = get_deviceid();
-
- return deviceid & CPU_DEVID_FAMILY;
-}
-EXPORT_SYMBOL(identify_family);
-
-unsigned long identify_revision(void)
-{
- unsigned long deviceid;
-
- deviceid = get_deviceid();
-
- return deviceid & CPU_DEVID_REVISION;
-}
-EXPORT_SYMBOL(identify_revision);
-
-/* PROM environment functions */
-char *prom_getenv(char *env_name)
-{
- /*
- * Return a pointer to the given environment variable. prom_envp
- * points to a null terminated array of pointers to variables.
- * Environment variables are stored in the form of "memsize=64"
- */
-
- char **var = prom_envp;
- int i = strlen(env_name);
-
- while (*var) {
- if (strncmp(env_name, *var, i) == 0) {
- return *var + strlen(env_name) + 1;
- }
- var++;
- }
-
- return NULL;
-}
-
-/* PROM commandline functions */
-void __init prom_init_cmdline(void)
-{
- char *cp;
- int actr;
-
- actr = 1; /* Always ignore argv[0] */
-
- cp = &(arcs_cmdline[0]);
- while (actr < prom_argc) {
- strcpy(cp, prom_argv[actr]);
- cp += strlen(prom_argv[actr]);
- *cp++ = ' ';
- actr++;
- }
- if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
- --cp;
- *cp = '\0';
-}
-
-/* memory allocation functions */
-static int __init prom_memtype_classify(unsigned int type)
-{
- switch (type) {
- case yamon_free:
- return BOOT_MEM_RAM;
- case yamon_prom:
- return BOOT_MEM_ROM_DATA;
- default:
- return BOOT_MEM_RESERVED;
- }
-}
-
-void __init prom_meminit(void)
-{
- struct prom_pmemblock *p;
-
- p = prom_getmdesc();
-
- while (p->size) {
- long type;
- unsigned long base, size;
-
- type = prom_memtype_classify(p->type);
- base = p->base;
- size = p->size;
-
- add_memory_region(base, size, type);
- p++;
-
- if (type == BOOT_MEM_ROM_DATA) {
- if (nr_prom_mem >= MAX_PROM_MEM) {
- pr_err("Too many ROM DATA regions");
- continue;
- }
- prom_mem_base[nr_prom_mem] = base;
- prom_mem_size[nr_prom_mem] = size;
- nr_prom_mem++;
- }
- }
-}
-
-void __init prom_free_prom_memory(void)
-{
- int argc;
- char **argv;
- char **envp;
- char *ptr;
- int len = 0;
- int i;
-
- /*
- * preserve environment variables and command line from pmon/bbload
- * first preserve the command line
- */
- for (argc = 0; argc < prom_argc; argc++) {
- len += sizeof(char *); /* length of pointer */
- len += strlen(prom_argv[argc]) + 1; /* length of string */
- }
- len += sizeof(char *); /* plus length of null pointer */
-
- argv = kmalloc(len, GFP_KERNEL);
- ptr = (char *) &argv[prom_argc + 1]; /* strings follow array */
-
- for (argc = 0; argc < prom_argc; argc++) {
- argv[argc] = ptr;
- strcpy(ptr, prom_argv[argc]);
- ptr += strlen(prom_argv[argc]) + 1;
- }
- argv[prom_argc] = NULL; /* end array with null pointer */
- prom_argv = argv;
-
- /* next preserve the environment variables */
- len = 0;
- i = 0;
- for (envp = prom_envp; *envp != NULL; envp++) {
- i++; /* count number of environment variables */
- len += sizeof(char *); /* length of pointer */
- len += strlen(*envp) + 1; /* length of string */
- }
- len += sizeof(char *); /* plus length of null pointer */
-
- envp = kmalloc(len, GFP_KERNEL);
- ptr = (char *) &envp[i+1];
-
- for (argc = 0; argc < i; argc++) {
- envp[argc] = ptr;
- strcpy(ptr, prom_envp[argc]);
- ptr += strlen(prom_envp[argc]) + 1;
- }
- envp[i] = NULL; /* end array with null pointer */
- prom_envp = envp;
-
- for (i = 0; i < nr_prom_mem; i++) {
- free_init_pages("prom memory",
- prom_mem_base[i], prom_mem_base[i] + prom_mem_size[i]);
- }
-}
-
-struct prom_pmemblock *__init prom_getmdesc(void)
-{
- static char memsz_env[] __initdata = "memsize";
- static char heaptop_env[] __initdata = "heaptop";
- char *str;
- unsigned int memsize;
- unsigned int heaptop;
- int i;
-
- str = prom_getenv(memsz_env);
- if (!str) {
- ppfinit("memsize not set in boot prom, "
- "set to default (32Mb)\n");
- memsize = 0x02000000;
- } else {
- memsize = simple_strtol(str, NULL, 0);
-
- if (memsize == 0) {
- /* if memsize is a bad size, use reasonable default */
- memsize = 0x02000000;
- }
-
- /* convert to physical address (removing caching bits, etc) */
- memsize = CPHYSADDR(memsize);
- }
-
- str = prom_getenv(heaptop_env);
- if (!str) {
- heaptop = CPHYSADDR((u32)&_text);
- ppfinit("heaptop not set in boot prom, "
- "set to default 0x%08x\n", heaptop);
- } else {
- heaptop = simple_strtol(str, NULL, 16);
- if (heaptop == 0) {
- /* heaptop conversion bad, might have 0xValue */
- heaptop = simple_strtol(str, NULL, 0);
-
- if (heaptop == 0) {
- /* heaptop still bad, use reasonable default */
- heaptop = CPHYSADDR((u32)&_text);
- }
- }
-
- /* convert to physical address (removing caching bits, etc) */
- heaptop = CPHYSADDR((u32)heaptop);
- }
-
- /* the base region */
- i = 0;
- mdesc[i].type = BOOT_MEM_RESERVED;
- mdesc[i].base = 0x00000000;
- mdesc[i].size = PAGE_ALIGN(0x300 + 0x80);
- /* jtag interrupt vector + sizeof vector */
-
- /* PMON data */
- if (heaptop > mdesc[i].base + mdesc[i].size) {
- i++; /* 1 */
- mdesc[i].type = BOOT_MEM_ROM_DATA;
- mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size;
- mdesc[i].size = heaptop - mdesc[i].base;
- }
-
- /* end of PMON data to start of kernel -- probably zero .. */
- if (heaptop != CPHYSADDR((u32)_text)) {
- i++; /* 2 */
- mdesc[i].type = BOOT_MEM_RAM;
- mdesc[i].base = heaptop;
- mdesc[i].size = CPHYSADDR((u32)_text) - mdesc[i].base;
- }
-
- /* kernel proper */
- i++; /* 3 */
- mdesc[i].type = BOOT_MEM_RESERVED;
- mdesc[i].base = CPHYSADDR((u32)_text);
- mdesc[i].size = CPHYSADDR(PAGE_ALIGN((u32)_end)) - mdesc[i].base;
-
- /* Remainder of RAM -- under memsize */
- i++; /* 5 */
- mdesc[i].type = yamon_free;
- mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size;
- mdesc[i].size = memsize - mdesc[i].base;
-
- return &mdesc[0];
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_serial.c b/arch/mips/pmcs-msp71xx/msp_serial.c
deleted file mode 100644
index 940c684f6921..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_serial.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * The setup file for serial related hardware on PMC-Sierra MSP processors.
- *
- * Copyright 2005 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/serial_reg.h>
-#include <linux/slab.h>
-
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/serial.h>
-#include <linux/serial_8250.h>
-
-#include <msp_prom.h>
-#include <msp_int.h>
-#include <msp_regs.h>
-
-struct msp_uart_data {
- int last_lcr;
-};
-
-static void msp_serial_out(struct uart_port *p, int offset, int value)
-{
- struct msp_uart_data *d = p->private_data;
-
- if (offset == UART_LCR)
- d->last_lcr = value;
-
- offset <<= p->regshift;
- writeb(value, p->membase + offset);
-}
-
-static unsigned int msp_serial_in(struct uart_port *p, int offset)
-{
- offset <<= p->regshift;
-
- return readb(p->membase + offset);
-}
-
-static int msp_serial_handle_irq(struct uart_port *p)
-{
- struct msp_uart_data *d = p->private_data;
- unsigned int iir = readb(p->membase + (UART_IIR << p->regshift));
-
- if (serial8250_handle_irq(p, iir)) {
- return 1;
- } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
- /*
- * The DesignWare APB UART has an Busy Detect (0x07) interrupt
- * meaning an LCR write attempt occurred while the UART was
- * busy. The interrupt must be cleared by reading the UART
- * status register (USR) and the LCR re-written.
- *
- * Note: MSP reserves 0x20 bytes of address space for the UART
- * and the USR is mapped in a separate block at an offset of
- * 0xc0 from the start of the UART.
- */
- (void)readb(p->membase + 0xc0);
- writeb(d->last_lcr, p->membase + (UART_LCR << p->regshift));
-
- return 1;
- }
-
- return 0;
-}
-
-void __init msp_serial_setup(void)
-{
- char *s;
- char *endp;
- struct uart_port up;
- unsigned int uartclk;
-
- memset(&up, 0, sizeof(up));
-
- /* Check if clock was specified in environment */
- s = prom_getenv("uartfreqhz");
- if(!(s && *s && (uartclk = simple_strtoul(s, &endp, 10)) && *endp == 0))
- uartclk = MSP_BASE_BAUD;
- ppfinit("UART clock set to %d\n", uartclk);
-
- /* Initialize first serial port */
- up.mapbase = MSP_UART0_BASE;
- up.membase = ioremap(up.mapbase, MSP_UART_REG_LEN);
- up.irq = MSP_INT_UART0;
- up.uartclk = uartclk;
- up.regshift = 2;
- up.iotype = UPIO_MEM;
- up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
- up.type = PORT_16550A;
- up.line = 0;
- up.serial_out = msp_serial_out;
- up.serial_in = msp_serial_in;
- up.handle_irq = msp_serial_handle_irq;
- up.private_data = kzalloc(sizeof(struct msp_uart_data), GFP_KERNEL);
- if (!up.private_data) {
- pr_err("failed to allocate uart private data\n");
- return;
- }
- if (early_serial_setup(&up)) {
- kfree(up.private_data);
- pr_err("Early serial init of port 0 failed\n");
- }
-
- /* Initialize the second serial port, if one exists */
- switch (mips_machtype) {
- case MACH_MSP4200_EVAL:
- case MACH_MSP4200_GW:
- case MACH_MSP4200_FPGA:
- case MACH_MSP7120_EVAL:
- case MACH_MSP7120_GW:
- case MACH_MSP7120_FPGA:
- /* Enable UART1 on MSP4200 and MSP7120 */
- *GPIO_CFG2_REG = 0x00002299;
- break;
-
- default:
- return; /* No second serial port, good-bye. */
- }
-
- up.mapbase = MSP_UART1_BASE;
- up.membase = ioremap(up.mapbase, MSP_UART_REG_LEN);
- up.irq = MSP_INT_UART1;
- up.line = 1;
- up.private_data = (void*)UART1_STATUS_REG;
- if (early_serial_setup(&up)) {
- kfree(up.private_data);
- pr_err("Early serial init of port 1 failed\n");
- }
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c
deleted file mode 100644
index d1e59cec116e..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_setup.c
+++ /dev/null
@@ -1,228 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * The generic setup file for PMC-Sierra MSP processors
- *
- * Copyright 2005-2007 PMC-Sierra, Inc,
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- */
-
-#include <linux/delay.h>
-
-#include <asm/bootinfo.h>
-#include <asm/cacheflush.h>
-#include <asm/idle.h>
-#include <asm/r4kcache.h>
-#include <asm/reboot.h>
-#include <asm/smp-ops.h>
-#include <asm/time.h>
-
-#include <msp_prom.h>
-#include <msp_regs.h>
-
-#if defined(CONFIG_PMC_MSP7120_GW)
-#include <msp_regops.h>
-#define MSP_BOARD_RESET_GPIO 9
-#endif
-
-extern void msp_serial_setup(void);
-
-#if defined(CONFIG_PMC_MSP7120_EVAL) || \
- defined(CONFIG_PMC_MSP7120_GW) || \
- defined(CONFIG_PMC_MSP7120_FPGA)
-/*
- * Performs the reset for MSP7120-based boards
- */
-void msp7120_reset(void)
-{
- void *start, *end, *iptr;
-
- /* Diasble all interrupts */
- local_irq_disable();
-#ifdef CONFIG_SYS_SUPPORTS_MULTITHREADING
- dvpe();
-#endif
-
- /* Cache the reset code of this function */
- __asm__ __volatile__ (
- " .set push \n"
- " .set arch=r4000 \n"
- " la %0,startpoint \n"
- " la %1,endpoint \n"
- " .set pop \n"
- : "=r" (start), "=r" (end)
- :
- );
-
- for (iptr = (void *)((unsigned int)start & ~(L1_CACHE_BYTES - 1));
- iptr < end; iptr += L1_CACHE_BYTES)
- cache_op(Fill, iptr);
-
- __asm__ __volatile__ (
- "startpoint: \n"
- );
-
- /* Put the DDRC into self-refresh mode */
- DDRC_INDIRECT_WRITE(DDRC_CTL(10), 0xb, 1 << 16);
-
- /*
- * IMPORTANT!
- * DO NOT do anything from here on out that might even
- * think about fetching from RAM - i.e., don't call any
- * non-inlined functions, and be VERY sure that any inline
- * functions you do call do NOT access any sort of RAM
- * anywhere!
- */
-
- /* Wait a bit for the DDRC to settle */
- mdelay(125);
-
-#if defined(CONFIG_PMC_MSP7120_GW)
- /*
- * Set GPIO 9 HI, (tied to board reset logic)
- * GPIO 9 is the 4th GPIO of register 3
- *
- * NOTE: We cannot use the higher-level msp_gpio_mode()/out()
- * as GPIO char driver may not be enabled and it would look up
- * data inRAM!
- */
- set_value_reg32(GPIO_CFG3_REG, 0xf000, 0x8000);
- set_reg32(GPIO_DATA3_REG, 8);
-
- /*
- * In case GPIO9 doesn't reset the board (jumper configurable!)
- * fallback to device reset below.
- */
-#endif
- /* Set bit 1 of the MSP7120 reset register */
- *RST_SET_REG = 0x00000001;
-
- __asm__ __volatile__ (
- "endpoint: \n"
- );
-}
-#endif
-
-void msp_restart(char *command)
-{
- printk(KERN_WARNING "Now rebooting .......\n");
-
-#if defined(CONFIG_PMC_MSP7120_EVAL) || \
- defined(CONFIG_PMC_MSP7120_GW) || \
- defined(CONFIG_PMC_MSP7120_FPGA)
- msp7120_reset();
-#else
- /* No chip-specific reset code, just jump to the ROM reset vector */
- set_c0_status(ST0_BEV | ST0_ERL);
- change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED);
- __flush_cache_all();
- write_c0_wired(0);
-
- __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
-#endif
-}
-
-void msp_halt(void)
-{
- printk(KERN_WARNING "\n** You can safely turn off the power\n");
- while (1)
- /* If possible call official function to get CPU WARs */
- if (cpu_wait)
- (*cpu_wait)();
- else
- __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0");
-}
-
-void msp_power_off(void)
-{
- msp_halt();
-}
-
-void __init plat_mem_setup(void)
-{
- _machine_restart = msp_restart;
- _machine_halt = msp_halt;
- pm_power_off = msp_power_off;
-}
-
-void __init prom_init(void)
-{
- unsigned long family;
- unsigned long revision;
-
- prom_argc = fw_arg0;
- prom_argv = (char **)fw_arg1;
- prom_envp = (char **)fw_arg2;
-
- /*
- * Someday we can use this with PMON2000 to get a
- * platform call prom routines for output etc. without
- * having to use grody hacks. For now it's unused.
- *
- * struct callvectors *cv = (struct callvectors *) fw_arg3;
- */
- family = identify_family();
- revision = identify_revision();
-
- switch (family) {
- case FAMILY_FPGA:
- if (FPGA_IS_MSP4200(revision)) {
- /* Old-style revision ID */
- mips_machtype = MACH_MSP4200_FPGA;
- } else {
- mips_machtype = MACH_MSP_OTHER;
- }
- break;
-
- case FAMILY_MSP4200:
-#if defined(CONFIG_PMC_MSP4200_EVAL)
- mips_machtype = MACH_MSP4200_EVAL;
-#elif defined(CONFIG_PMC_MSP4200_GW)
- mips_machtype = MACH_MSP4200_GW;
-#else
- mips_machtype = MACH_MSP_OTHER;
-#endif
- break;
-
- case FAMILY_MSP4200_FPGA:
- mips_machtype = MACH_MSP4200_FPGA;
- break;
-
- case FAMILY_MSP7100:
-#if defined(CONFIG_PMC_MSP7120_EVAL)
- mips_machtype = MACH_MSP7120_EVAL;
-#elif defined(CONFIG_PMC_MSP7120_GW)
- mips_machtype = MACH_MSP7120_GW;
-#else
- mips_machtype = MACH_MSP_OTHER;
-#endif
- break;
-
- case FAMILY_MSP7100_FPGA:
- mips_machtype = MACH_MSP7120_FPGA;
- break;
-
- default:
- /* we don't recognize the machine */
- mips_machtype = MACH_UNKNOWN;
- panic("***Bogosity factor five***, exiting");
- break;
- }
-
- prom_init_cmdline();
-
- prom_meminit();
-
- /*
- * Sub-system setup follows.
- * Setup functions can either be called here or using the
- * subsys_initcall mechanism (i.e. see msp_pci_setup). The
- * order in which they are called can be changed by using the
- * link order in arch/mips/pmc-sierra/msp71xx/Makefile.
- *
- * NOTE: Please keep sub-system specific initialization code
- * in separate specific files.
- */
- msp_serial_setup();
-
- register_vsmp_smp_ops();
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_smp.c b/arch/mips/pmcs-msp71xx/msp_smp.c
deleted file mode 100644
index 00092e2924ec..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_smp.c
+++ /dev/null
@@ -1,56 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc.
- * Copyright (C) 2001 Ralf Baechle
- * Copyright (C) 2010 PMC-Sierra, Inc.
- *
- * VSMP support for MSP platforms . Derived from malta vsmp support.
- */
-#include <linux/smp.h>
-#include <linux/interrupt.h>
-
-#include <asm/setup.h>
-
-#ifdef CONFIG_MIPS_MT_SMP
-#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */
-#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for call */
-
-
-static void ipi_resched_dispatch(void)
-{
- do_IRQ(MIPS_CPU_IPI_RESCHED_IRQ);
-}
-
-static void ipi_call_dispatch(void)
-{
- do_IRQ(MIPS_CPU_IPI_CALL_IRQ);
-}
-
-static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id)
-{
- return IRQ_HANDLED;
-}
-
-static irqreturn_t ipi_call_interrupt(int irq, void *dev_id)
-{
- generic_smp_call_function_interrupt();
-
- return IRQ_HANDLED;
-}
-
-void __init arch_init_ipiirq(int irq, const char *name, irq_handler_t handler)
-{
- if (request_irq(irq, handler, IRQF_PERCPU, name, NULL))
- pr_err("Failed to request irq %d (%s)\n", irq, name);
- irq_set_handler(irq, handle_percpu_irq);
-}
-
-void __init msp_vsmp_int_init(void)
-{
- set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch);
- set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch);
- arch_init_ipiirq(MIPS_CPU_IPI_RESCHED_IRQ, "IPI_resched",
- ipi_resched_interrupt);
- arch_init_ipiirq(MIPS_CPU_IPI_CALL_IRQ, "IPI_call", ipi_call_interrupt);
-}
-#endif /* CONFIG_MIPS_MT_SMP */
diff --git a/arch/mips/pmcs-msp71xx/msp_time.c b/arch/mips/pmcs-msp71xx/msp_time.c
deleted file mode 100644
index 9c629829f447..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_time.c
+++ /dev/null
@@ -1,90 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Setting up the clock on MSP SOCs. No RTC typically.
- *
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * ########################################################################
- *
- * ########################################################################
- */
-
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <linux/ptrace.h>
-
-#include <asm/cevt-r4k.h>
-#include <asm/mipsregs.h>
-#include <asm/time.h>
-
-#include <msp_prom.h>
-#include <msp_int.h>
-#include <msp_regs.h>
-
-#define get_current_vpe() \
- ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
-
-static int tim_installed;
-
-void __init plat_time_init(void)
-{
- char *endp, *s;
- unsigned long cpu_rate = 0;
-
- if (cpu_rate == 0) {
- s = prom_getenv("clkfreqhz");
- cpu_rate = simple_strtoul(s, &endp, 10);
- if (endp != NULL && *endp != 0) {
- printk(KERN_ERR
- "Clock rate in Hz parse error: %s\n", s);
- cpu_rate = 0;
- }
- }
-
- if (cpu_rate == 0) {
- s = prom_getenv("clkfreq");
- cpu_rate = 1000 * simple_strtoul(s, &endp, 10);
- if (endp != NULL && *endp != 0) {
- printk(KERN_ERR
- "Clock rate in MHz parse error: %s\n", s);
- cpu_rate = 0;
- }
- }
-
- if (cpu_rate == 0) {
-#if defined(CONFIG_PMC_MSP7120_EVAL) \
- || defined(CONFIG_PMC_MSP7120_GW)
- cpu_rate = 400000000;
-#elif defined(CONFIG_PMC_MSP7120_FPGA)
- cpu_rate = 25000000;
-#else
- cpu_rate = 150000000;
-#endif
- printk(KERN_ERR
- "Failed to determine CPU clock rate, "
- "assuming %ld hz ...\n", cpu_rate);
- }
-
- printk(KERN_WARNING "Clock rate set to %ld\n", cpu_rate);
-
- /* timer frequency is 1/2 clock rate */
- mips_hpt_frequency = cpu_rate/2;
-}
-
-unsigned int get_c0_compare_int(void)
-{
- unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED;
-
- /* MIPS_MT modes may want timer for second VPE */
- if ((get_current_vpe()) && !tim_installed) {
- if (request_irq(MSP_INT_VPE1_TIMER, c0_compare_interrupt, flags,
- "timer", c0_compare_interrupt))
- pr_err("Failed to register timer interrupt\n");
- tim_installed++;
- }
-
- return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER;
-}
diff --git a/arch/mips/pmcs-msp71xx/msp_usb.c b/arch/mips/pmcs-msp71xx/msp_usb.c
deleted file mode 100644
index d38ac70b5a2e..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_usb.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * The setup file for USB related hardware on PMC-Sierra MSP processors.
- *
- * Copyright 2006 PMC-Sierra, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET)
-
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-
-#include <asm/mipsregs.h>
-
-#include <msp_regs.h>
-#include <msp_int.h>
-#include <msp_prom.h>
-#include <msp_usb.h>
-
-
-#if defined(CONFIG_USB_EHCI_HCD)
-static struct resource msp_usbhost0_resources[] = {
- [0] = { /* EHCI-HS operational and capabilities registers */
- .start = MSP_USB0_HS_START,
- .end = MSP_USB0_HS_END,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = MSP_INT_USB,
- .end = MSP_INT_USB,
- .flags = IORESOURCE_IRQ,
- },
- [2] = { /* MSBus-to-AMBA bridge register space */
- .start = MSP_USB0_MAB_START,
- .end = MSP_USB0_MAB_END,
- .flags = IORESOURCE_MEM,
- },
- [3] = { /* Identification and general hardware parameters */
- .start = MSP_USB0_ID_START,
- .end = MSP_USB0_ID_END,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static u64 msp_usbhost0_dma_mask = 0xffffffffUL;
-
-static struct mspusb_device msp_usbhost0_device = {
- .dev = {
- .name = "pmcmsp-ehci",
- .id = 0,
- .dev = {
- .dma_mask = &msp_usbhost0_dma_mask,
- .coherent_dma_mask = 0xffffffffUL,
- },
- .num_resources = ARRAY_SIZE(msp_usbhost0_resources),
- .resource = msp_usbhost0_resources,
- },
-};
-#endif /* CONFIG_USB_EHCI_HCD */
-
-#if defined(CONFIG_USB_GADGET)
-static struct resource msp_usbdev0_resources[] = {
- [0] = { /* EHCI-HS operational and capabilities registers */
- .start = MSP_USB0_HS_START,
- .end = MSP_USB0_HS_END,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = MSP_INT_USB,
- .end = MSP_INT_USB,
- .flags = IORESOURCE_IRQ,
- },
- [2] = { /* MSBus-to-AMBA bridge register space */
- .start = MSP_USB0_MAB_START,
- .end = MSP_USB0_MAB_END,
- .flags = IORESOURCE_MEM,
- },
- [3] = { /* Identification and general hardware parameters */
- .start = MSP_USB0_ID_START,
- .end = MSP_USB0_ID_END,
- .flags = IORESOURCE_MEM,
- },
-};
-
-static u64 msp_usbdev_dma_mask = 0xffffffffUL;
-
-/* This may need to be converted to a mspusb_device, too. */
-static struct mspusb_device msp_usbdev0_device = {
- .dev = {
- .name = "msp71xx_udc",
- .id = 0,
- .dev = {
- .dma_mask = &msp_usbdev_dma_mask,
- .coherent_dma_mask = 0xffffffffUL,
- },
- .num_resources = ARRAY_SIZE(msp_usbdev0_resources),
- .resource = msp_usbdev0_resources,
- },
-};
-#endif /* CONFIG_USB_GADGET */
-
-static int __init msp_usb_setup(void)
-{
- char *strp;
- char envstr[32];
- struct platform_device *msp_devs[NUM_USB_DEVS];
- unsigned int val;
-
- /* construct environment name usbmode */
- /* set usbmode <host/device> as pmon environment var */
- /*
- * Could this perhaps be integrated into the "features" env var?
- * Use the features key "U", and follow with "H" for host-mode,
- * "D" for device-mode. If it works for Ethernet, why not USB...
- * -- hammtrev, 2007/03/22
- */
- snprintf(&envstr[0], sizeof(envstr), "usbmode");
-
- /* set default host mode */
- val = 1;
-
- /* get environment string */
- strp = prom_getenv(&envstr[0]);
- if (strp) {
- /* compare string */
- if (!strcmp(strp, "device"))
- val = 0;
- }
-
- if (val) {
-#if defined(CONFIG_USB_EHCI_HCD)
- msp_devs[0] = &msp_usbhost0_device.dev;
- ppfinit("platform add USB HOST done %s.\n", msp_devs[0]->name);
-#else
- ppfinit("%s: echi_hcd not supported\n", __FILE__);
-#endif /* CONFIG_USB_EHCI_HCD */
- } else {
-#if defined(CONFIG_USB_GADGET)
- /* get device mode structure */
- msp_devs[0] = &msp_usbdev0_device.dev;
- ppfinit("platform add USB DEVICE done %s.\n"
- , msp_devs[0]->name);
-#else
- ppfinit("%s: usb_gadget not supported\n", __FILE__);
-#endif /* CONFIG_USB_GADGET */
- }
- /* add device */
- platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs));
-
- return 0;
-}
-
-subsys_initcall(msp_usb_setup);
-#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */
diff --git a/arch/mips/pnx833x/Platform b/arch/mips/pnx833x/Platform
index 287260669551..e5286a49fc3e 100644
--- a/arch/mips/pnx833x/Platform
+++ b/arch/mips/pnx833x/Platform
@@ -1,5 +1,4 @@
# NXP STB225
-platform-$(CONFIG_SOC_PNX833X) += pnx833x/
cflags-$(CONFIG_SOC_PNX833X) += -I$(srctree)/arch/mips/include/asm/mach-pnx833x
load-$(CONFIG_NXP_STB220) += 0xffffffff80001000
load-$(CONFIG_NXP_STB225) += 0xffffffff80001000
diff --git a/arch/mips/ralink/Platform b/arch/mips/ralink/Platform
index 6095fcc334f4..02ee0791481d 100644
--- a/arch/mips/ralink/Platform
+++ b/arch/mips/ralink/Platform
@@ -1,7 +1,6 @@
#
# Ralink SoC common stuff
#
-core-$(CONFIG_RALINK) += arch/mips/ralink/
cflags-$(CONFIG_RALINK) += -I$(srctree)/arch/mips/include/asm/mach-ralink
#
diff --git a/arch/mips/ralink/bootrom.c b/arch/mips/ralink/bootrom.c
index 88bcce59beeb..94ca8379b83c 100644
--- a/arch/mips/ralink/bootrom.c
+++ b/arch/mips/ralink/bootrom.c
@@ -31,7 +31,7 @@ static const struct file_operations bootrom_file_ops = {
.release = single_release,
};
-static int bootrom_setup(void)
+static int __init bootrom_setup(void)
{
debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_file_ops);
return 0;
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index 0accb80db709..ca0ac607b0f3 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -20,11 +20,6 @@
#include "common.h"
-#define SYSC_REG_SYSCFG 0x10
-#define SYSC_REG_CPLL_CLKCFG0 0x2c
-#define SYSC_REG_CUR_CLK_STS 0x44
-#define CPU_CLK_SEL (BIT(30) | BIT(31))
-
#define MT7621_GPIO_MODE_UART1 1
#define MT7621_GPIO_MODE_I2C 2
#define MT7621_GPIO_MODE_UART3_MASK 0x3
@@ -115,44 +110,6 @@ phys_addr_t mips_cpc_default_phys_base(void)
panic("Cannot detect cpc address");
}
-void __init ralink_clk_init(void)
-{
- int cpu_fdiv = 0;
- int cpu_ffrac = 0;
- int fbdiv = 0;
- u32 clk_sts, syscfg;
- u8 clk_sel = 0, xtal_mode;
- u32 cpu_clk;
-
- if ((rt_sysc_r32(SYSC_REG_CPLL_CLKCFG0) & CPU_CLK_SEL) != 0)
- clk_sel = 1;
-
- switch (clk_sel) {
- case 0:
- clk_sts = rt_sysc_r32(SYSC_REG_CUR_CLK_STS);
- cpu_fdiv = ((clk_sts >> 8) & 0x1F);
- cpu_ffrac = (clk_sts & 0x1F);
- cpu_clk = (500 * cpu_ffrac / cpu_fdiv) * 1000 * 1000;
- break;
-
- case 1:
- fbdiv = ((rt_sysc_r32(0x648) >> 4) & 0x7F) + 1;
- syscfg = rt_sysc_r32(SYSC_REG_SYSCFG);
- xtal_mode = (syscfg >> 6) & 0x7;
- if (xtal_mode >= 6) {
- /* 25Mhz Xtal */
- cpu_clk = 25 * fbdiv * 1000 * 1000;
- } else if (xtal_mode >= 3) {
- /* 40Mhz Xtal */
- cpu_clk = 40 * fbdiv * 1000 * 1000;
- } else {
- /* 20Mhz Xtal */
- cpu_clk = 20 * fbdiv * 1000 * 1000;
- }
- break;
- }
-}
-
void __init ralink_of_remap(void)
{
rt_sysc_membase = plat_of_remap_node("mtk,mt7621-sysc");
diff --git a/arch/mips/rb532/Platform b/arch/mips/rb532/Platform
index aeec45a7cbb3..12eaa8790b3e 100644
--- a/arch/mips/rb532/Platform
+++ b/arch/mips/rb532/Platform
@@ -1,7 +1,6 @@
#
# Routerboard 532
#
-platform-$(CONFIG_MIKROTIK_RB532) += rb532/
cflags-$(CONFIG_MIKROTIK_RB532) += \
-I$(srctree)/arch/mips/include/asm/mach-rc32434
load-$(CONFIG_MIKROTIK_RB532) += 0xffffffff80101000
diff --git a/arch/mips/sgi-ip22/Platform b/arch/mips/sgi-ip22/Platform
index e8f6b3a42a48..62fa30bb959e 100644
--- a/arch/mips/sgi-ip22/Platform
+++ b/arch/mips/sgi-ip22/Platform
@@ -7,7 +7,6 @@
# current variable will break so for 64-bit kernels we have to raise the start
# address by 8kb.
#
-platform-$(CONFIG_SGI_IP22) += sgi-ip22/
cflags-$(CONFIG_SGI_IP22) += -I$(srctree)/arch/mips/include/asm/mach-ip22
ifdef CONFIG_32BIT
load-$(CONFIG_SGI_IP22) += 0xffffffff88002000
@@ -29,6 +28,5 @@ ifdef CONFIG_SGI_IP28
$(error gcc doesn't support needed option -mr10k-cache-barrier=store)
endif
endif
-platform-$(CONFIG_SGI_IP28) += sgi-ip22/
cflags-$(CONFIG_SGI_IP28) += -mr10k-cache-barrier=store -I$(srctree)/arch/mips/include/asm/mach-ip28
load-$(CONFIG_SGI_IP28) += 0xa800000020004000
diff --git a/arch/mips/sgi-ip27/Platform b/arch/mips/sgi-ip27/Platform
index 1fb9c2ea7c8f..e734ee6abd44 100644
--- a/arch/mips/sgi-ip27/Platform
+++ b/arch/mips/sgi-ip27/Platform
@@ -5,8 +5,6 @@
# symmon, 0xc00000000001c000 for production kernels. Note that the value must
# be 16kb aligned or the handling of the current variable will break.
#
-ifdef CONFIG_SGI_IP27
-platform-$(CONFIG_SGI_IP27) += sgi-ip27/
cflags-$(CONFIG_SGI_IP27) += -I$(srctree)/arch/mips/include/asm/mach-ip27
ifdef CONFIG_MAPPED_KERNEL
load-$(CONFIG_SGI_IP27) += 0xc00000004001c000
@@ -16,4 +14,3 @@ else
load-$(CONFIG_SGI_IP27) += 0xa80000000001c000
OBJCOPYFLAGS := --change-addresses=0x57ffffff80000000
endif
-endif
diff --git a/arch/mips/sgi-ip27/ip27-memory.c b/arch/mips/sgi-ip27/ip27-memory.c
index a45691e6ab90..1213215ea965 100644
--- a/arch/mips/sgi-ip27/ip27-memory.c
+++ b/arch/mips/sgi-ip27/ip27-memory.c
@@ -419,7 +419,7 @@ void __init paging_init(void)
pagetable_init();
zones_size[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(zones_size);
+ free_area_init(zones_size);
}
void __init mem_init(void)
diff --git a/arch/mips/sgi-ip27/ip27-timer.c b/arch/mips/sgi-ip27/ip27-timer.c
index 61f3565f3645..c0e33632bc37 100644
--- a/arch/mips/sgi-ip27/ip27-timer.c
+++ b/arch/mips/sgi-ip27/ip27-timer.c
@@ -21,7 +21,6 @@
#include <asm/time.h>
#include <asm/pgtable.h>
#include <asm/sgialib.h>
-#include <asm/sn/ioc3.h>
#include <asm/sn/klconfig.h>
#include <asm/sn/arch.h>
#include <asm/sn/addrs.h>
@@ -29,14 +28,6 @@
#include "ip27-common.h"
-#define TICK_SIZE (tick_nsec / 1000)
-
-/* Includes for ioc3_init(). */
-#include <asm/sn/types.h>
-#include <asm/pci/bridge.h>
-
-#include "ip27-common.h"
-
static int rt_next_event(unsigned long delta, struct clock_event_device *evt)
{
unsigned int cpu = smp_processor_id();
diff --git a/arch/mips/sgi-ip30/Platform b/arch/mips/sgi-ip30/Platform
index 2b5695c2049a..f6f11517e091 100644
--- a/arch/mips/sgi-ip30/Platform
+++ b/arch/mips/sgi-ip30/Platform
@@ -1,8 +1,5 @@
#
# SGI-IP30 (Octane/Octane2)
#
-ifdef CONFIG_SGI_IP30
-platform-$(CONFIG_SGI_IP30) += sgi-ip30/
cflags-$(CONFIG_SGI_IP30) += -I$(srctree)/arch/mips/include/asm/mach-ip30
load-$(CONFIG_SGI_IP30) += 0xa800000020004000
-endif
diff --git a/arch/mips/sgi-ip32/Platform b/arch/mips/sgi-ip32/Platform
index 0fea556f3641..f58a7a02b4ca 100644
--- a/arch/mips/sgi-ip32/Platform
+++ b/arch/mips/sgi-ip32/Platform
@@ -6,6 +6,5 @@
# a multiple of the kernel stack size or the handling of the current variable
# will break.
#
-platform-$(CONFIG_SGI_IP32) += sgi-ip32/
cflags-$(CONFIG_SGI_IP32) += -I$(srctree)/arch/mips/include/asm/mach-ip32
load-$(CONFIG_SGI_IP32) += 0xffffffff80004000
diff --git a/arch/mips/sibyte/Platform b/arch/mips/sibyte/Platform
index af117330ce14..65b2225b76b2 100644
--- a/arch/mips/sibyte/Platform
+++ b/arch/mips/sibyte/Platform
@@ -1,10 +1,6 @@
#
# These are all rather similar so we consider them a single platform
#
-platform-$(CONFIG_SIBYTE_BCM112X) += sibyte/
-platform-$(CONFIG_SIBYTE_SB1250) += sibyte/
-platform-$(CONFIG_SIBYTE_BCM1x55) += sibyte/
-platform-$(CONFIG_SIBYTE_BCM1x80) += sibyte/
#
# Sibyte SB1250 / BCM1480 family of SOCs
diff --git a/arch/mips/sni/Platform b/arch/mips/sni/Platform
index 2644a9d63c0f..b0b3dde0bef8 100644
--- a/arch/mips/sni/Platform
+++ b/arch/mips/sni/Platform
@@ -1,7 +1,6 @@
#
# SNI RM
#
-platform-$(CONFIG_SNI_RM) += sni/
cflags-$(CONFIG_SNI_RM) += -I$(srctree)/arch/mips/include/asm/mach-rm
ifdef CONFIG_CPU_LITTLE_ENDIAN
load-$(CONFIG_SNI_RM) += 0xffffffff80600000
diff --git a/arch/mips/tools/elf-entry.c b/arch/mips/tools/elf-entry.c
index adde79ce7fc0..dbd14ff05b4c 100644
--- a/arch/mips/tools/elf-entry.c
+++ b/arch/mips/tools/elf-entry.c
@@ -51,11 +51,14 @@ int main(int argc, const char *argv[])
nread = fread(&hdr, 1, sizeof(hdr), file);
if (nread != sizeof(hdr)) {
perror("Unable to read input file");
+ fclose(file);
return EXIT_FAILURE;
}
- if (memcmp(hdr.ehdr32.e_ident, ELFMAG, SELFMAG))
+ if (memcmp(hdr.ehdr32.e_ident, ELFMAG, SELFMAG)) {
+ fclose(file);
die("Input is not an ELF\n");
+ }
switch (hdr.ehdr32.e_ident[EI_CLASS]) {
case ELFCLASS32:
@@ -67,6 +70,7 @@ int main(int argc, const char *argv[])
entry = be32toh(hdr.ehdr32.e_entry);
break;
default:
+ fclose(file);
die("Invalid ELF encoding\n");
}
@@ -83,14 +87,17 @@ int main(int argc, const char *argv[])
entry = be64toh(hdr.ehdr64.e_entry);
break;
default:
+ fclose(file);
die("Invalid ELF encoding\n");
}
break;
default:
+ fclose(file);
die("Invalid ELF class\n");
}
printf("0x%016" PRIx64 "\n", entry);
+ fclose(file);
return EXIT_SUCCESS;
}
diff --git a/arch/mips/tools/loongson3-llsc-check.c b/arch/mips/tools/loongson3-llsc-check.c
index 0ebddd0ae46f..bdbc7b4324ec 100644
--- a/arch/mips/tools/loongson3-llsc-check.c
+++ b/arch/mips/tools/loongson3-llsc-check.c
@@ -303,5 +303,7 @@ out_munmap:
out_close:
close(vmlinux_fd);
out_ret:
+ fprintf(stdout, "loongson3-llsc-check returns %s\n",
+ status ? "failure" : "success");
return status;
}
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig
index 9a22a182b7a4..85c4c121c71f 100644
--- a/arch/mips/txx9/Kconfig
+++ b/arch/mips/txx9/Kconfig
@@ -58,7 +58,7 @@ config TOSHIBA_RBTX4939
config SOC_TX3927
bool
select CEVT_TXX9
- select HAS_TXX9_SERIAL
+ imply HAS_TXX9_SERIAL
select HAVE_PCI
select IRQ_TXX9
select GPIO_TXX9
@@ -66,30 +66,30 @@ config SOC_TX3927
config SOC_TX4927
bool
select CEVT_TXX9
- select HAS_TXX9_SERIAL
+ imply HAS_TXX9_SERIAL
select HAVE_PCI
select IRQ_TXX9
select PCI_TX4927
select GPIO_TXX9
- select HAS_TXX9_ACLC
+ imply HAS_TXX9_ACLC
config SOC_TX4938
bool
select CEVT_TXX9
- select HAS_TXX9_SERIAL
+ imply HAS_TXX9_SERIAL
select HAVE_PCI
select IRQ_TXX9
select PCI_TX4927
select GPIO_TXX9
- select HAS_TXX9_ACLC
+ imply HAS_TXX9_ACLC
config SOC_TX4939
bool
select CEVT_TXX9
- select HAS_TXX9_SERIAL
+ imply HAS_TXX9_SERIAL
select HAVE_PCI
select PCI_TX4927
- select HAS_TXX9_ACLC
+ imply HAS_TXX9_ACLC
config TXX9_7SEGLED
bool
diff --git a/arch/mips/txx9/Platform b/arch/mips/txx9/Platform
index a176d1fd5799..7f4429ba22eb 100644
--- a/arch/mips/txx9/Platform
+++ b/arch/mips/txx9/Platform
@@ -1,6 +1,3 @@
-platform-$(CONFIG_MACH_TX39XX) += txx9/
-platform-$(CONFIG_MACH_TX49XX) += txx9/
-
cflags-$(CONFIG_MACH_TX39XX) += \
-I$(srctree)/arch/mips/include/asm/mach-tx39xx
cflags-$(CONFIG_MACH_TX49XX) += \
diff --git a/arch/mips/vdso/Kconfig b/arch/mips/vdso/Kconfig
new file mode 100644
index 000000000000..7aec721398d5
--- /dev/null
+++ b/arch/mips/vdso/Kconfig
@@ -0,0 +1,18 @@
+# For the pre-R6 code in arch/mips/vdso/vdso.h for locating
+# the base address of VDSO, the linker will emit a R_MIPS_PC32
+# relocation in binutils > 2.25 but it will fail with older versions
+# because that relocation is not supported for that symbol. As a result
+# of which we are forced to disable the VDSO symbols when building
+# with < 2.25 binutils on pre-R6 kernels. For more references on why we
+# can't use other methods to get the base address of VDSO please refer to
+# the comments on that file.
+#
+# GCC (at least up to version 9.2) appears to emit function calls that make use
+# of the GOT when targeting microMIPS, which we can't use in the VDSO due to
+# the lack of relocations. As such, we disable the VDSO for microMIPS builds.
+
+config MIPS_LD_CAN_LINK_VDSO
+ def_bool LD_VERSION >= 225000000 || LD_IS_LLD
+
+config MIPS_DISABLE_VDSO
+ def_bool CPU_MICROMIPS || (!CPU_MIPSR6 && !MIPS_LD_CAN_LINK_VDSO)
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index d7fe8408603e..2e64c7600eea 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -52,44 +52,17 @@ endif
CFLAGS_REMOVE_vgettimeofday.o = -pg
-DISABLE_VDSO := n
-
-#
-# For the pre-R6 code in arch/mips/vdso/vdso.h for locating
-# the base address of VDSO, the linker will emit a R_MIPS_PC32
-# relocation in binutils > 2.25 but it will fail with older versions
-# because that relocation is not supported for that symbol. As a result
-# of which we are forced to disable the VDSO symbols when building
-# with < 2.25 binutils on pre-R6 kernels. For more references on why we
-# can't use other methods to get the base address of VDSO please refer to
-# the comments on that file.
-#
-ifndef CONFIG_CPU_MIPSR6
- ifeq ($(call ld-ifversion, -lt, 225000000, y),y)
+ifdef CONFIG_MIPS_DISABLE_VDSO
+ ifndef CONFIG_MIPS_LD_CAN_LINK_VDSO
$(warning MIPS VDSO requires binutils >= 2.25)
- DISABLE_VDSO := y
endif
-endif
-
-#
-# GCC (at least up to version 9.2) appears to emit function calls that make use
-# of the GOT when targeting microMIPS, which we can't use in the VDSO due to
-# the lack of relocations. As such, we disable the VDSO for microMIPS builds.
-#
-ifdef CONFIG_CPU_MICROMIPS
- DISABLE_VDSO := y
-endif
-
-ifeq ($(DISABLE_VDSO),y)
obj-vdso-y := $(filter-out vgettimeofday.o, $(obj-vdso-y))
- ccflags-vdso += -DDISABLE_MIPS_VDSO
endif
# VDSO linker flags.
-VDSO_LDFLAGS := \
- -Wl,-Bsymbolic -Wl,--no-undefined -Wl,-soname=linux-vdso.so.1 \
- $(addprefix -Wl$(comma),$(filter -E%,$(KBUILD_CFLAGS))) \
- -nostdlib -shared -Wl,--hash-style=sysv -Wl,--build-id
+ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \
+ $(filter -E%,$(KBUILD_CFLAGS)) -nostdlib -shared \
+ -G 0 --eh-frame-hdr --hash-style=sysv --build-id -T
CFLAGS_REMOVE_vdso.o = -pg
@@ -108,11 +81,7 @@ quiet_cmd_vdso_mips_check = VDSOCHK $@
#
quiet_cmd_vdsold_and_vdso_check = LD $@
- cmd_vdsold_and_vdso_check = $(cmd_vdsold); $(cmd_vdso_check); $(cmd_vdso_mips_check)
-
-quiet_cmd_vdsold = VDSO $@
- cmd_vdsold = $(CC) $(c_flags) $(VDSO_LDFLAGS) \
- -Wl,-T $(filter %.lds,$^) $(filter %.o,$^) -o $@
+ cmd_vdsold_and_vdso_check = $(cmd_ld); $(cmd_vdso_check); $(cmd_vdso_mips_check)
quiet_cmd_vdsoas_o_S = AS $@
cmd_vdsoas_o_S = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/mips/vdso/vdso.lds.S b/arch/mips/vdso/vdso.lds.S
index da4627430aba..d90b65724d78 100644
--- a/arch/mips/vdso/vdso.lds.S
+++ b/arch/mips/vdso/vdso.lds.S
@@ -91,7 +91,7 @@ PHDRS
VERSION
{
LINUX_2.6 {
-#ifndef DISABLE_MIPS_VDSO
+#ifndef CONFIG_MIPS_DISABLE_VDSO
global:
__vdso_clock_gettime;
__vdso_gettimeofday;
diff --git a/arch/mips/vr41xx/Makefile b/arch/mips/vr41xx/Makefile
new file mode 100644
index 000000000000..765020d5ee4d
--- /dev/null
+++ b/arch/mips/vr41xx/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+obj-$(CONFIG_MACH_VR41XX) += common/
+obj-$(CONFIG_CASIO_E55) += casio-e55/
+obj-$(CONFIG_IBM_WORKPAD) += ibm-workpad/
diff --git a/arch/mips/vr41xx/Platform b/arch/mips/vr41xx/Platform
index b6c8d5c08ddb..3f593a3e5678 100644
--- a/arch/mips/vr41xx/Platform
+++ b/arch/mips/vr41xx/Platform
@@ -1,19 +1,16 @@
#
# NEC VR4100 series based machines
#
-platform-$(CONFIG_MACH_VR41XX) += vr41xx/common/
cflags-$(CONFIG_MACH_VR41XX) += -I$(srctree)/arch/mips/include/asm/mach-vr41xx
#
# CASIO CASSIPEIA E-55/65 (VR4111)
#
-platform-$(CONFIG_CASIO_E55) += vr41xx/casio-e55/
load-$(CONFIG_CASIO_E55) += 0xffffffff80004000
#
# IBM WorkPad z50 (VR4121)
#
-platform-$(CONFIG_IBM_WORKPAD) += vr41xx/ibm-workpad/
load-$(CONFIG_IBM_WORKPAD) += 0xffffffff80004000
#
diff --git a/arch/nds32/include/asm/module.h b/arch/nds32/include/asm/vermagic.h
index a3a08e993c65..f772e7ba33f1 100644
--- a/arch/nds32/include/asm/module.h
+++ b/arch/nds32/include/asm/vermagic.h
@@ -1,11 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
// Copyright (C) 2005-2017 Andes Technology Corporation
-#ifndef _ASM_NDS32_MODULE_H
-#define _ASM_NDS32_MODULE_H
-
-#include <asm-generic/module.h>
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
#define MODULE_ARCH_VERMAGIC "NDS32v3"
-#endif /* _ASM_NDS32_MODULE_H */
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/nds32/mm/init.c b/arch/nds32/mm/init.c
index 0be3833f6814..91147cca4b64 100644
--- a/arch/nds32/mm/init.c
+++ b/arch/nds32/mm/init.c
@@ -31,16 +31,13 @@ EXPORT_SYMBOL(empty_zero_page);
static void __init zone_sizes_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES];
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
- /* Clear the zone sizes */
- memset(zones_size, 0, sizeof(zones_size));
-
- zones_size[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_HIGHMEM
- zones_size[ZONE_HIGHMEM] = max_pfn;
+ max_zone_pfn[ZONE_HIGHMEM] = max_pfn;
#endif
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
}
diff --git a/arch/nios2/include/asm/checksum.h b/arch/nios2/include/asm/checksum.h
index 703c5ee63421..ec39698d3bea 100644
--- a/arch/nios2/include/asm/checksum.h
+++ b/arch/nios2/include/asm/checksum.h
@@ -14,8 +14,6 @@
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
extern __wsum csum_partial_copy(const void *src, void *dst, int len,
__wsum sum);
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *csum_err);
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy((src), (dst), (len), (sum))
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 2c609c2516b2..9afca77d10b1 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -46,17 +46,15 @@ pgd_t *pgd_current;
*/
void __init paging_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES];
-
- memset(zones_size, 0, sizeof(zones_size));
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
pagetable_init();
pgd_current = swapper_pg_dir;
- zones_size[ZONE_NORMAL] = max_mapnr;
+ max_zone_pfn[ZONE_NORMAL] = max_mapnr;
/* pass the memory from the bootmem allocator to the main allocator */
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
flush_dcache_range((unsigned long)empty_zero_page,
(unsigned long)empty_zero_page + PAGE_SIZE);
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index 1f87b524db78..f94fe6d3f499 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -45,17 +45,14 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
static void __init zone_sizes_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES];
-
- /* Clear the zone sizes */
- memset(zones_size, 0, sizeof(zones_size));
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
/*
* We use only ZONE_NORMAL
*/
- zones_size[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
- free_area_init(zones_size);
+ free_area_init(max_zone_pfn);
}
extern const char _s_kernel_ro[], _e_kernel_ro[];
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 3801a2ef9bca..92128f9164ce 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -68,7 +68,7 @@ config PARISC
The PA-RISC microprocessor is designed by Hewlett-Packard and used
in many of their workstations & servers (HP9000 700 and 800 series,
and later HP3000 series). The PA-RISC Linux project home page is
- at <http://www.parisc-linux.org/>.
+ at <https://parisc.wiki.kernel.org>.
config CPU_BIG_ENDIAN
def_bool y
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index 628cd8bb7ad8..fadbbd010337 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -21,8 +21,6 @@ KBUILD_IMAGE := vmlinuz
NM = sh $(srctree)/arch/parisc/nm
CHECKFLAGS += -D__hppa__=1
-LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-export LIBGCC
ifdef CONFIG_64BIT
UTS_MACHINE := parisc64
@@ -110,6 +108,8 @@ cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
head-y := arch/parisc/kernel/head.o
KBUILD_CFLAGS += $(cflags-y)
+LIBGCC := $(shell $(CC) -print-libgcc-file-name)
+export LIBGCC
kernel-y := mm/ kernel/ math-emu/
diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile
index 1e5879c6a752..dff453687530 100644
--- a/arch/parisc/boot/compressed/Makefile
+++ b/arch/parisc/boot/compressed/Makefile
@@ -16,6 +16,7 @@ targets += real2.S firmware.c
KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
+KBUILD_CFLAGS += -fno-strict-aliasing
KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf
KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
ifndef CONFIG_64BIT
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h
index c1c22819a04d..fe8c63b2d2c3 100644
--- a/arch/parisc/include/asm/checksum.h
+++ b/arch/parisc/include/asm/checksum.h
@@ -27,13 +27,6 @@ extern __wsum csum_partial(const void *, int, __wsum);
extern __wsum csum_partial_copy_nocheck(const void *, void *, int, __wsum);
/*
- * this is a new version of the above that records errors it finds in *errp,
- * but continues and zeros the rest of the buffer.
- */
-extern __wsum csum_partial_copy_from_user(const void __user *src,
- void *dst, int len, __wsum sum, int *errp);
-
-/*
* Optimized for IP headers, which always checksum on 4 octet boundaries.
*
* Written by Randolph Chung <tausq@debian.org>, and then mucked with by
diff --git a/arch/parisc/include/asm/floppy.h b/arch/parisc/include/asm/floppy.h
index 09b6f4c1687e..762cfe7778c0 100644
--- a/arch/parisc/include/asm/floppy.h
+++ b/arch/parisc/include/asm/floppy.h
@@ -29,8 +29,8 @@
#define CSW fd_routine[can_use_virtual_dma & 1]
-#define fd_inb(port) readb(port)
-#define fd_outb(value, port) writeb(value, port)
+#define fd_inb(base, reg) readb((base) + (reg))
+#define fd_outb(value, base, reg) writeb(value, (base) + (reg))
#define fd_request_dma() CSW._request_dma(FLOPPY_DMA,"floppy")
#define fd_free_dma() CSW._free_dma(FLOPPY_DMA)
@@ -75,27 +75,28 @@ static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
register char *lptr = virtual_dma_addr;
for (lcount = virtual_dma_count; lcount; lcount--) {
- st = fd_inb(virtual_dma_port+4) & 0xa0 ;
- if (st != 0xa0)
+ st = fd_inb(virtual_dma_port, FD_STATUS);
+ st &= STATUS_DMA | STATUS_READY;
+ if (st != (STATUS_DMA | STATUS_READY))
break;
if (virtual_dma_mode) {
- fd_outb(*lptr, virtual_dma_port+5);
+ fd_outb(*lptr, virtual_dma_port, FD_DATA);
} else {
- *lptr = fd_inb(virtual_dma_port+5);
+ *lptr = fd_inb(virtual_dma_port, FD_DATA);
}
lptr++;
}
virtual_dma_count = lcount;
virtual_dma_addr = lptr;
- st = fd_inb(virtual_dma_port+4);
+ st = fd_inb(virtual_dma_port, FD_STATUS);
}
#ifdef TRACE_FLPY_INT
calls++;
#endif
- if (st == 0x20)
+ if (st == STATUS_DMA)
return;
- if (!(st & 0x20)) {
+ if (!(st & STATUS_DMA)) {
virtual_dma_residue += virtual_dma_count;
virtual_dma_count = 0;
#ifdef TRACE_FLPY_INT
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h
index 7cb595dcb7d7..a69cf9efb0c1 100644
--- a/arch/parisc/include/asm/hugetlb.h
+++ b/arch/parisc/include/asm/hugetlb.h
@@ -12,12 +12,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
/*
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
@@ -48,10 +42,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#include <asm-generic/hugetlb.h>
#endif /* _ASM_PARISC64_HUGETLB_H */
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 9832c73a7021..cd7df48dc874 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -93,10 +93,8 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
#define set_pte_at(mm, addr, ptep, pteval) \
do { \
- pte_t old_pte; \
unsigned long flags; \
spin_lock_irqsave(pgd_spinlock((mm)->pgd), flags);\
- old_pte = *ptep; \
set_pte(ptep, pteval); \
purge_tlb_entries(mm, addr); \
spin_unlock_irqrestore(pgd_spinlock((mm)->pgd), flags);\
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 1d976f2ebff0..665b70086685 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -4,7 +4,8 @@
*
* PDC == Processor Dependent Code
*
- * See http://www.parisc-linux.org/documentation/index.html
+ * See PDC documentation at
+ * https://parisc.wiki.kernel.org/index.php/Technical_Documentation
* for documentation describing the entry points and calling
* conventions defined below.
*
diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c
index 98c5203c1ab0..17161e72ea29 100644
--- a/arch/parisc/kernel/hardware.c
+++ b/arch/parisc/kernel/hardware.c
@@ -6,7 +6,8 @@
*
* Based on the document "PA-RISC 1.1 I/O Firmware Architecture
* Reference Specification", March 7, 1999, version 0.96. This
- * is available at http://parisc-linux.org/documentation/
+ * is available at
+ * https://parisc.wiki.kernel.org/index.php/Technical_Documentation
*
* Copyright 1999 by Alex deVries <alex@onefishtwo.ca>
* and copyright 1999 The Puffin Group Inc.
diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c
index 1c50093e2ebe..fac18c623d16 100644
--- a/arch/parisc/kernel/module.c
+++ b/arch/parisc/kernel/module.c
@@ -3,9 +3,9 @@
*
* The best reference for this stuff is probably the Processor-
* Specific ELF Supplement for PA-RISC:
- * http://ftp.parisc-linux.org/docs/arch/elf-pa-hp.pdf
+ * https://parisc.wiki.kernel.org/index.php/File:Elf-pa-hp.pdf
*
- * Linux/PA-RISC Project (http://www.parisc-linux.org/)
+ * Linux/PA-RISC Project
* Copyright (C) 2003 Randolph Chung <tausq at debian . org>
* Copyright (C) 2008 Helge Deller <deller@gmx.de>
*
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c
index e1a8fee3ad49..d46b6709ec56 100644
--- a/arch/parisc/kernel/perf.c
+++ b/arch/parisc/kernel/perf.c
@@ -300,7 +300,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf,
else
return -EFAULT;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
if (count != sizeof(uint32_t))
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 52a15f5cd130..5a758fa6ec52 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -435,3 +435,4 @@
435 common clone3 sys_clone3_wrapper
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c
index 256322c7b648..c6f161583549 100644
--- a/arch/parisc/lib/checksum.c
+++ b/arch/parisc/lib/checksum.c
@@ -123,23 +123,3 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return sum;
}
EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
-/*
- * Copy from userspace and compute checksum. If we catch an exception
- * then zero the rest of the buffer.
- */
-__wsum csum_partial_copy_from_user(const void __user *src,
- void *dst, int len,
- __wsum sum, int *err_ptr)
-{
- int missing;
-
- missing = copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *err_ptr = -EFAULT;
- }
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 5224fb38d766..cdd760d39e7c 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -562,7 +562,7 @@ void __init mem_init(void)
> BITS_PER_LONG);
high_memory = __va((max_pfn << PAGE_SHIFT));
- set_max_mapnr(page_to_pfn(virt_to_page(high_memory - 1)) + 1);
+ set_max_mapnr(max_low_pfn);
memblock_free_all();
#ifdef CONFIG_PA11
@@ -675,27 +675,11 @@ static void __init gateway_init(void)
static void __init parisc_bootmem_free(void)
{
- unsigned long zones_size[MAX_NR_ZONES] = { 0, };
- unsigned long holes_size[MAX_NR_ZONES] = { 0, };
- unsigned long mem_start_pfn = ~0UL, mem_end_pfn = 0, mem_size_pfn = 0;
- int i;
-
- for (i = 0; i < npmem_ranges; i++) {
- unsigned long start = pmem_ranges[i].start_pfn;
- unsigned long size = pmem_ranges[i].pages;
- unsigned long end = start + size;
-
- if (mem_start_pfn > start)
- mem_start_pfn = start;
- if (mem_end_pfn < end)
- mem_end_pfn = end;
- mem_size_pfn += size;
- }
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0, };
- zones_size[0] = mem_end_pfn - mem_start_pfn;
- holes_size[0] = zones_size[0] - mem_size_pfn;
+ max_zone_pfn[0] = memblock_end_of_DRAM();
- free_area_init_node(0, zones_size, mem_start_pfn, holes_size);
+ free_area_init(max_zone_pfn);
}
void __init paging_init(void)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 924c541a9260..a8eee7a64add 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -126,11 +126,12 @@ config PPC
select ARCH_HAS_MMIOWB if PPC64
select ARCH_HAS_PHYS_TO_DMA
select ARCH_HAS_PMEM_API
+ select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_MEMBARRIER_CALLBACKS
select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64
- select ARCH_HAS_STRICT_KERNEL_RWX if ((PPC_BOOK3S_64 || PPC32) && !HIBERNATION)
+ select ARCH_HAS_STRICT_KERNEL_RWX if (PPC32 && !HIBERNATION)
select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
select ARCH_HAS_UACCESS_FLUSHCACHE
select ARCH_HAS_UACCESS_MCSAFE if PPC64
@@ -210,7 +211,6 @@ config PPC
select HAVE_KRETPROBES
select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
select HAVE_LIVEPATCH if HAVE_DYNAMIC_FTRACE_WITH_REGS
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_NMI if PERF_EVENTS || (PPC64 && PPC_BOOK3S)
select HAVE_HARDLOCKUP_DETECTOR_ARCH if (PPC64 && PPC_BOOK3S)
@@ -686,15 +686,6 @@ config ARCH_MEMORY_PROBE
def_bool y
depends on MEMORY_HOTPLUG
-# Some NUMA nodes have memory ranges that span
-# other nodes. Even though a pfn is valid and
-# between a node's start and end pfns, it may not
-# reside on that node. See memmap_init_zone()
-# for details.
-config NODES_SPAN_OTHER_NODES
- def_bool y
- depends on NEED_MULTIPLE_NODES
-
config STDBINUTILS
bool "Using standard binutils settings"
depends on 44x
diff --git a/arch/powerpc/crypto/md5-glue.c b/arch/powerpc/crypto/md5-glue.c
index 7d1bf2fcf668..c24f605033bd 100644
--- a/arch/powerpc/crypto/md5-glue.c
+++ b/arch/powerpc/crypto/md5-glue.c
@@ -11,7 +11,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/md5.h>
#include <asm/byteorder.h>
diff --git a/arch/powerpc/crypto/sha1-spe-glue.c b/arch/powerpc/crypto/sha1-spe-glue.c
index 6379990bd604..cb57be4ada61 100644
--- a/arch/powerpc/crypto/sha1-spe-glue.c
+++ b/arch/powerpc/crypto/sha1-spe-glue.c
@@ -11,7 +11,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <asm/byteorder.h>
diff --git a/arch/powerpc/crypto/sha1.c b/arch/powerpc/crypto/sha1.c
index 7b43fc352089..b40dc50a6908 100644
--- a/arch/powerpc/crypto/sha1.c
+++ b/arch/powerpc/crypto/sha1.c
@@ -16,14 +16,13 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <asm/byteorder.h>
-extern void powerpc_sha_transform(u32 *state, const u8 *src, u32 *temp);
+void powerpc_sha_transform(u32 *state, const u8 *src);
-static int sha1_init(struct shash_desc *desc)
+static int powerpc_sha1_init(struct shash_desc *desc)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
@@ -34,8 +33,8 @@ static int sha1_init(struct shash_desc *desc)
return 0;
}
-static int sha1_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
+static int powerpc_sha1_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
unsigned int partial, done;
@@ -47,7 +46,6 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
src = data;
if ((partial + len) > 63) {
- u32 temp[SHA_WORKSPACE_WORDS];
if (partial) {
done = -partial;
@@ -56,12 +54,11 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
}
do {
- powerpc_sha_transform(sctx->state, src, temp);
+ powerpc_sha_transform(sctx->state, src);
done += 64;
src = data + done;
} while (done + 63 < len);
- memzero_explicit(temp, sizeof(temp));
partial = 0;
}
memcpy(sctx->buffer + partial, src, len - done);
@@ -71,7 +68,7 @@ static int sha1_update(struct shash_desc *desc, const u8 *data,
/* Add padding and return the message digest. */
-static int sha1_final(struct shash_desc *desc, u8 *out)
+static int powerpc_sha1_final(struct shash_desc *desc, u8 *out)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
__be32 *dst = (__be32 *)out;
@@ -84,10 +81,10 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
/* Pad out to 56 mod 64 */
index = sctx->count & 0x3f;
padlen = (index < 56) ? (56 - index) : ((64+56) - index);
- sha1_update(desc, padding, padlen);
+ powerpc_sha1_update(desc, padding, padlen);
/* Append length */
- sha1_update(desc, (const u8 *)&bits, sizeof(bits));
+ powerpc_sha1_update(desc, (const u8 *)&bits, sizeof(bits));
/* Store state in digest */
for (i = 0; i < 5; i++)
@@ -99,7 +96,7 @@ static int sha1_final(struct shash_desc *desc, u8 *out)
return 0;
}
-static int sha1_export(struct shash_desc *desc, void *out)
+static int powerpc_sha1_export(struct shash_desc *desc, void *out)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
@@ -107,7 +104,7 @@ static int sha1_export(struct shash_desc *desc, void *out)
return 0;
}
-static int sha1_import(struct shash_desc *desc, const void *in)
+static int powerpc_sha1_import(struct shash_desc *desc, const void *in)
{
struct sha1_state *sctx = shash_desc_ctx(desc);
@@ -117,11 +114,11 @@ static int sha1_import(struct shash_desc *desc, const void *in)
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
- .init = sha1_init,
- .update = sha1_update,
- .final = sha1_final,
- .export = sha1_export,
- .import = sha1_import,
+ .init = powerpc_sha1_init,
+ .update = powerpc_sha1_update,
+ .final = powerpc_sha1_final,
+ .export = powerpc_sha1_export,
+ .import = powerpc_sha1_import,
.descsize = sizeof(struct sha1_state),
.statesize = sizeof(struct sha1_state),
.base = {
diff --git a/arch/powerpc/crypto/sha256-spe-glue.c b/arch/powerpc/crypto/sha256-spe-glue.c
index 84939e563b81..ceb0b6c980b3 100644
--- a/arch/powerpc/crypto/sha256-spe-glue.c
+++ b/arch/powerpc/crypto/sha256-spe-glue.c
@@ -12,7 +12,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <asm/byteorder.h>
diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h
index 34a7215ae81e..2a0a467d2985 100644
--- a/arch/powerpc/include/asm/book3s/32/hash.h
+++ b/arch/powerpc/include/asm/book3s/32/hash.h
@@ -17,9 +17,9 @@
* updating the accessed and modified bits in the page table tree.
*/
-#define _PAGE_USER 0x001 /* usermode access allowed */
-#define _PAGE_RW 0x002 /* software: user write access allowed */
-#define _PAGE_PRESENT 0x004 /* software: pte contains a translation */
+#define _PAGE_PRESENT 0x001 /* software: pte contains a translation */
+#define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */
+#define _PAGE_USER 0x004 /* usermode access allowed */
#define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */
#define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */
#define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */
@@ -27,7 +27,7 @@
#define _PAGE_DIRTY 0x080 /* C: page changed */
#define _PAGE_ACCESSED 0x100 /* R: page referenced */
#define _PAGE_EXEC 0x200 /* software: exec allowed */
-#define _PAGE_HASHPTE 0x400 /* hash_page has made an HPTE for this pte */
+#define _PAGE_RW 0x400 /* software: user write access allowed */
#define _PAGE_SPECIAL 0x800 /* software: Special page */
#ifdef CONFIG_PTE_64BIT
diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h
index 3c0ba22dc360..db0a1c281587 100644
--- a/arch/powerpc/include/asm/book3s/32/kup.h
+++ b/arch/powerpc/include/asm/book3s/32/kup.h
@@ -75,7 +75,7 @@
.macro kuap_check current, gpr
#ifdef CONFIG_PPC_KUAP_DEBUG
- lwz \gpr2, KUAP(thread)
+ lwz \gpr, KUAP(thread)
999: twnei \gpr, 0
EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
#endif
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 368b136517e0..d6438659926c 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1168,10 +1168,6 @@ static inline int pmd_large(pmd_t pmd)
return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
}
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
-{
- return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT);
-}
/*
* For radix we should always find H_PAGE_HASHPTE zero. Hence
* the below will work for radix too
diff --git a/arch/powerpc/include/asm/floppy.h b/arch/powerpc/include/asm/floppy.h
index 167c44b58848..7af9a68fd949 100644
--- a/arch/powerpc/include/asm/floppy.h
+++ b/arch/powerpc/include/asm/floppy.h
@@ -13,8 +13,8 @@
#include <asm/machdep.h>
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value,port) outb_p(value,port)
+#define fd_inb(base, reg) inb_p((base) + (reg))
+#define fd_outb(value, base, reg) outb_p(value, (base) + (reg))
#define fd_enable_dma() enable_dma(FLOPPY_DMA)
#define fd_disable_dma() fd_ops->_disable_dma(FLOPPY_DMA)
@@ -61,21 +61,22 @@ static irqreturn_t floppy_hardint(int irq, void *dev_id)
st = 1;
for (lcount=virtual_dma_count, lptr=virtual_dma_addr;
lcount; lcount--, lptr++) {
- st=inb(virtual_dma_port+4) & 0xa0 ;
- if (st != 0xa0)
+ st = inb(virtual_dma_port + FD_STATUS);
+ st &= STATUS_DMA | STATUS_READY;
+ if (st != (STATUS_DMA | STATUS_READY))
break;
if (virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port+5);
+ outb_p(*lptr, virtual_dma_port + FD_DATA);
else
- *lptr = inb_p(virtual_dma_port+5);
+ *lptr = inb_p(virtual_dma_port + FD_DATA);
}
virtual_dma_count = lcount;
virtual_dma_addr = lptr;
- st = inb(virtual_dma_port+4);
+ st = inb(virtual_dma_port + FD_STATUS);
- if (st == 0x20)
+ if (st == STATUS_DMA)
return IRQ_HANDLED;
- if (!(st & 0x20)) {
+ if (!(st & STATUS_DMA)) {
virtual_dma_residue += virtual_dma_count;
virtual_dma_count=0;
doing_vdma = 0;
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index bd6504c28c2f..e6dfa63da552 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -30,6 +30,7 @@ static inline int is_hugepage_only_range(struct mm_struct *mm,
return slice_is_hugepage_only_range(mm, addr, len);
return 0;
}
+#define is_hugepage_only_range is_hugepage_only_range
#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
@@ -60,10 +61,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep,
pte_t pte, int dirty);
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#include <asm-generic/hugetlb.h>
#else /* ! CONFIG_HUGETLB_PAGE */
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index e0e71777961f..3a0db7b0b46e 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -250,9 +250,27 @@ static inline bool arch_irqs_disabled(void)
} \
} while(0)
+static inline bool __lazy_irq_pending(u8 irq_happened)
+{
+ return !!(irq_happened & ~PACA_IRQ_HARD_DIS);
+}
+
+/*
+ * Check if a lazy IRQ is pending. Should be called with IRQs hard disabled.
+ */
static inline bool lazy_irq_pending(void)
{
- return !!(get_paca()->irq_happened & ~PACA_IRQ_HARD_DIS);
+ return __lazy_irq_pending(get_paca()->irq_happened);
+}
+
+/*
+ * Check if a lazy IRQ is pending, with no debugging checks.
+ * Should be called with IRQs hard disabled.
+ * For use in RI disabled code or other constrained situations.
+ */
+static inline bool lazy_irq_pending_nocheck(void)
+{
+ return __lazy_irq_pending(local_paca->irq_happened);
}
/*
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 635969b5b58e..13f90dd03450 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -699,10 +699,6 @@ static inline void iosync(void)
*
* * iounmap undoes such a mapping and can be hooked
*
- * * __ioremap_at (and the pending __iounmap_at) are low level functions to
- * create hand-made mappings for use only by the PCI code and cannot
- * currently be hooked. Must be page aligned.
- *
* * __ioremap_caller is the same as above but takes an explicit caller
* reference rather than using __builtin_return_address(0)
*
@@ -719,6 +715,8 @@ void __iomem *ioremap_coherent(phys_addr_t address, unsigned long size);
extern void iounmap(volatile void __iomem *addr);
+void __iomem *ioremap_phb(phys_addr_t paddr, unsigned long size);
+
int early_ioremap_range(unsigned long ea, phys_addr_t pa,
unsigned long size, pgprot_t prot);
void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t offset, unsigned long size,
@@ -727,10 +725,6 @@ void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t offset, unsigned long size,
extern void __iomem *__ioremap_caller(phys_addr_t, unsigned long size,
pgprot_t prot, void *caller);
-extern void __iomem * __ioremap_at(phys_addr_t pa, void *ea,
- unsigned long size, pgprot_t prot);
-extern void __iounmap_at(void *ea, unsigned long size);
-
/*
* When CONFIG_PPC_INDIRECT_PIO is set, we use the generic iomap implementation
* which needs some additional definitions here. They basically allow PIO
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 506e4df2d730..6e5d85ba588d 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -78,7 +78,7 @@ struct kvmppc_vcore {
struct kvm_vcpu *runnable_threads[MAX_SMT_THREADS];
struct list_head preempt_list;
spinlock_t lock;
- struct swait_queue_head wq;
+ struct rcuwait wait;
spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
u64 stolen_tb;
u64 preempt_tb;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 1dc63101ffe1..337047ba4a56 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -751,7 +751,7 @@ struct kvm_vcpu_arch {
u8 irq_pending; /* Used by XIVE to signal pending guest irqs */
u32 last_inst;
- struct swait_queue_head *wqp;
+ struct rcuwait *waitp;
struct kvmppc_vcore *vcore;
int ret;
int trap;
diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h
index 356658711a86..5398bfc465b4 100644
--- a/arch/powerpc/include/asm/module.h
+++ b/arch/powerpc/include/asm/module.h
@@ -3,28 +3,10 @@
#define _ASM_POWERPC_MODULE_H
#ifdef __KERNEL__
-/*
- */
-
#include <linux/list.h>
#include <asm/bug.h>
#include <asm-generic/module.h>
-
-#ifdef CONFIG_MPROFILE_KERNEL
-#define MODULE_ARCH_VERMAGIC_FTRACE "mprofile-kernel "
-#else
-#define MODULE_ARCH_VERMAGIC_FTRACE ""
-#endif
-
-#ifdef CONFIG_RELOCATABLE
-#define MODULE_ARCH_VERMAGIC_RELOCATABLE "relocatable "
-#else
-#define MODULE_ARCH_VERMAGIC_RELOCATABLE ""
-#endif
-
-#define MODULE_ARCH_VERMAGIC MODULE_ARCH_VERMAGIC_FTRACE MODULE_ARCH_VERMAGIC_RELOCATABLE
-
#ifndef __powerpc64__
/*
* Thanks to Paul M for explaining this.
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 69f4cb3b7c56..b92e81b256e5 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -66,7 +66,7 @@ struct pci_controller {
void __iomem *io_base_virt;
#ifdef CONFIG_PPC64
- void *io_base_alloc;
+ void __iomem *io_base_alloc;
#endif
resource_size_t io_base_phys;
resource_size_t pci_io_size;
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 2f500debae21..0969285996cb 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -166,13 +166,17 @@ do { \
({ \
long __pu_err; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
+ __typeof__(*(ptr)) __pu_val = (x); \
+ __typeof__(size) __pu_size = (size); \
+ \
if (!is_kernel_addr((unsigned long)__pu_addr)) \
might_fault(); \
- __chk_user_ptr(ptr); \
+ __chk_user_ptr(__pu_addr); \
if (do_allow) \
- __put_user_size((x), __pu_addr, (size), __pu_err); \
+ __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
else \
- __put_user_size_allowed((x), __pu_addr, (size), __pu_err); \
+ __put_user_size_allowed(__pu_val, __pu_addr, __pu_size, __pu_err); \
+ \
__pu_err; \
})
@@ -180,9 +184,13 @@ do { \
({ \
long __pu_err = -EFAULT; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
+ __typeof__(*(ptr)) __pu_val = (x); \
+ __typeof__(size) __pu_size = (size); \
+ \
might_fault(); \
- if (access_ok(__pu_addr, size)) \
- __put_user_size((x), __pu_addr, (size), __pu_err); \
+ if (access_ok(__pu_addr, __pu_size)) \
+ __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
+ \
__pu_err; \
})
@@ -190,8 +198,12 @@ do { \
({ \
long __pu_err; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
- __chk_user_ptr(ptr); \
- __put_user_size((x), __pu_addr, (size), __pu_err); \
+ __typeof__(*(ptr)) __pu_val = (x); \
+ __typeof__(size) __pu_size = (size); \
+ \
+ __chk_user_ptr(__pu_addr); \
+ __put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
+ \
__pu_err; \
})
@@ -283,15 +295,18 @@ do { \
long __gu_err; \
__long_type(*(ptr)) __gu_val; \
__typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- __chk_user_ptr(ptr); \
+ __typeof__(size) __gu_size = (size); \
+ \
+ __chk_user_ptr(__gu_addr); \
if (!is_kernel_addr((unsigned long)__gu_addr)) \
might_fault(); \
barrier_nospec(); \
if (do_allow) \
- __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+ __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
else \
- __get_user_size_allowed(__gu_val, __gu_addr, (size), __gu_err); \
+ __get_user_size_allowed(__gu_val, __gu_addr, __gu_size, __gu_err); \
(x) = (__typeof__(*(ptr)))__gu_val; \
+ \
__gu_err; \
})
@@ -300,12 +315,15 @@ do { \
long __gu_err = -EFAULT; \
__long_type(*(ptr)) __gu_val = 0; \
__typeof__(*(ptr)) __user *__gu_addr = (ptr); \
+ __typeof__(size) __gu_size = (size); \
+ \
might_fault(); \
- if (access_ok(__gu_addr, (size))) { \
+ if (access_ok(__gu_addr, __gu_size)) { \
barrier_nospec(); \
- __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+ __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
} \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
+ \
__gu_err; \
})
@@ -314,10 +332,13 @@ do { \
long __gu_err; \
__long_type(*(ptr)) __gu_val; \
__typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- __chk_user_ptr(ptr); \
+ __typeof__(size) __gu_size = (size); \
+ \
+ __chk_user_ptr(__gu_addr); \
barrier_nospec(); \
- __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+ __get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
(x) = (__force __typeof__(*(ptr)))__gu_val; \
+ \
__gu_err; \
})
diff --git a/arch/powerpc/include/asm/vermagic.h b/arch/powerpc/include/asm/vermagic.h
new file mode 100644
index 000000000000..b054a8576e5d
--- /dev/null
+++ b/arch/powerpc/include/asm/vermagic.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#ifdef CONFIG_MPROFILE_KERNEL
+#define MODULE_ARCH_VERMAGIC_FTRACE "mprofile-kernel "
+#else
+#define MODULE_ARCH_VERMAGIC_FTRACE ""
+#endif
+
+#ifdef CONFIG_RELOCATABLE
+#define MODULE_ARCH_VERMAGIC_RELOCATABLE "relocatable "
+#else
+#define MODULE_ARCH_VERMAGIC_RELOCATABLE ""
+#endif
+
+#define MODULE_ARCH_VERMAGIC \
+ MODULE_ARCH_VERMAGIC_FTRACE MODULE_ARCH_VERMAGIC_RELOCATABLE
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/powerpc/include/uapi/asm/kvm_para.h b/arch/powerpc/include/uapi/asm/kvm_para.h
index be48c2215fa2..a809b1b44ddf 100644
--- a/arch/powerpc/include/uapi/asm/kvm_para.h
+++ b/arch/powerpc/include/uapi/asm/kvm_para.h
@@ -31,7 +31,7 @@
* Struct fields are always 32 or 64 bit aligned, depending on them being 32
* or 64 bit wide respectively.
*
- * See Documentation/virt/kvm/ppc-pv.txt
+ * See Documentation/virt/kvm/ppc-pv.rst
*/
struct kvm_vcpu_arch_shared {
__u64 scratch1;
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 1c4385852d3d..244542ae2a91 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -162,6 +162,9 @@ UBSAN_SANITIZE_kprobes.o := n
GCOV_PROFILE_kprobes-ftrace.o := n
KCOV_INSTRUMENT_kprobes-ftrace.o := n
UBSAN_SANITIZE_kprobes-ftrace.o := n
+GCOV_PROFILE_syscall_64.o := n
+KCOV_INSTRUMENT_syscall_64.o := n
+UBSAN_SANITIZE_syscall_64.o := n
UBSAN_SANITIZE_vdso.o := n
# Necessary for booting with kcov enabled on book3e machines
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index a6371fb8f761..8420abd4ea1c 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -732,7 +732,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_SPE)
stw r10,_CCR(r1)
stw r1,KSP(r3) /* Set old stack pointer */
- kuap_check r2, r4
+ kuap_check r2, r0
#ifdef CONFIG_SMP
/* We need a sync somewhere here to make sure that if the
* previous task gets rescheduled on another CPU, it sees all
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 9a1e5d636dea..b3c9f15089b6 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -472,15 +472,17 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
#ifdef CONFIG_PPC_BOOK3S
/*
* If MSR EE/RI was never enabled, IRQs not reconciled, NVGPRs not
- * touched, AMR not set, no exit work created, then this can be used.
+ * touched, no exit work created, then this can be used.
*/
.balign IFETCH_ALIGN_BYTES
.globl fast_interrupt_return
fast_interrupt_return:
_ASM_NOKPROBE_SYMBOL(fast_interrupt_return)
+ kuap_check_amr r3, r4
ld r4,_MSR(r1)
andi. r0,r4,MSR_PR
bne .Lfast_user_interrupt_return
+ kuap_restore_amr r3
andi. r0,r4,MSR_RI
li r3,0 /* 0 return value, no EMULATE_STACK_STORE */
bne+ .Lfast_kernel_interrupt_return
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 728ccb0f560c..ebeebab74b56 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -971,6 +971,7 @@ EXC_COMMON_BEGIN(system_reset_common)
ld r10,SOFTE(r1)
stb r10,PACAIRQSOFTMASK(r13)
+ kuap_restore_amr r10
EXCEPTION_RESTORE_REGS
RFI_TO_USER_OR_KERNEL
@@ -2410,6 +2411,7 @@ EXC_COMMON_BEGIN(facility_unavailable_common)
GEN_COMMON facility_unavailable
addi r3,r1,STACK_FRAME_OVERHEAD
bl facility_unavailable_exception
+ REST_NVGPRS(r1) /* instruction emulation may change GPRs */
b interrupt_return
GEN_KVM facility_unavailable
@@ -2439,6 +2441,7 @@ EXC_COMMON_BEGIN(h_facility_unavailable_common)
GEN_COMMON h_facility_unavailable
addi r3,r1,STACK_FRAME_OVERHEAD
bl facility_unavailable_exception
+ REST_NVGPRS(r1) /* XXX Shouldn't be necessary in practice */
b interrupt_return
GEN_KVM h_facility_unavailable
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index daaa153950c2..97c887950c3c 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -348,7 +348,7 @@ BEGIN_MMU_FTR_SECTION
andis. r0, r5, (DSISR_BAD_FAULT_32S | DSISR_DABRMATCH)@h
#endif
bne handle_page_fault_tramp_2 /* if not, try to put a PTE */
- rlwinm r3, r5, 32 - 24, 30, 30 /* DSISR_STORE -> _PAGE_RW */
+ rlwinm r3, r5, 32 - 15, 21, 21 /* DSISR_STORE -> _PAGE_RW */
bl hash_page
b handle_page_fault_tramp_1
FTR_SECTION_ELSE
@@ -497,6 +497,7 @@ InstructionTLBMiss:
andc. r1,r1,r0 /* check access & ~permission */
bne- InstructionAddressInvalid /* return if access not permitted */
/* Convert linux-style PTE to low word of PPC-style PTE */
+ rlwimi r0,r0,32-2,31,31 /* _PAGE_USER -> PP lsb */
ori r1, r1, 0xe06 /* clear out reserved bits */
andc r1, r0, r1 /* PP = user? 1 : 0 */
BEGIN_FTR_SECTION
@@ -564,8 +565,9 @@ DataLoadTLBMiss:
* we would need to update the pte atomically with lwarx/stwcx.
*/
/* Convert linux-style PTE to low word of PPC-style PTE */
- rlwinm r1,r0,0,30,30 /* _PAGE_RW -> PP msb */
- rlwimi r0,r0,1,30,30 /* _PAGE_USER -> PP msb */
+ rlwinm r1,r0,32-9,30,30 /* _PAGE_RW -> PP msb */
+ rlwimi r0,r0,32-1,30,30 /* _PAGE_USER -> PP msb */
+ rlwimi r0,r0,32-1,31,31 /* _PAGE_USER -> PP lsb */
ori r1,r1,0xe04 /* clear out reserved bits */
andc r1,r0,r1 /* PP = user? rw? 1: 3: 0 */
BEGIN_FTR_SECTION
@@ -643,6 +645,7 @@ DataStoreTLBMiss:
* we would need to update the pte atomically with lwarx/stwcx.
*/
/* Convert linux-style PTE to low word of PPC-style PTE */
+ rlwimi r0,r0,32-2,31,31 /* _PAGE_USER -> PP lsb */
li r1,0xe06 /* clear out reserved bits & PP msb */
andc r1,r0,r1 /* PP = user? 1: 0 */
BEGIN_FTR_SECTION
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index 9bb663977e84..2cec543c38f0 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -344,8 +344,9 @@ _ENTRY(saved_ksp_limit)
/* 0x0C00 - System Call Exception */
START_EXCEPTION(0x0C00, SystemCall)
SYSCALL_ENTRY 0xc00
+/* Trap_0D is commented out to get more space for system call exception */
- EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_STD)
+/* EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_STD) */
EXCEPTION(0x0E00, Trap_0E, unknown_exception, EXC_XFER_STD)
EXCEPTION(0x0F00, Trap_0F, unknown_exception, EXC_XFER_STD)
diff --git a/arch/powerpc/kernel/ima_arch.c b/arch/powerpc/kernel/ima_arch.c
index e34116255ced..957abd592075 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -19,12 +19,12 @@ bool arch_ima_get_secureboot(void)
* to be stored as an xattr or as an appended signature.
*
* To avoid duplicate signature verification as much as possible, the IMA
- * policy rule for module appraisal is added only if CONFIG_MODULE_SIG_FORCE
+ * policy rule for module appraisal is added only if CONFIG_MODULE_SIG
* is not enabled.
*/
static const char *const secure_rules[] = {
"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
-#ifndef CONFIG_MODULE_SIG_FORCE
+#ifndef CONFIG_MODULE_SIG
"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
#endif
NULL
@@ -50,7 +50,7 @@ static const char *const secure_and_trusted_rules[] = {
"measure func=KEXEC_KERNEL_CHECK template=ima-modsig",
"measure func=MODULE_CHECK template=ima-modsig",
"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
-#ifndef CONFIG_MODULE_SIG_FORCE
+#ifndef CONFIG_MODULE_SIG
"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
#endif
NULL
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1f1169856dc8..112d150354b2 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -748,9 +748,8 @@ void do_IRQ(struct pt_regs *regs)
static void *__init alloc_vm_stack(void)
{
- return __vmalloc_node_range(THREAD_SIZE, THREAD_ALIGN, VMALLOC_START,
- VMALLOC_END, THREADINFO_GFP, PAGE_KERNEL,
- 0, NUMA_NO_NODE, (void*)_RET_IP_);
+ return __vmalloc_node(THREAD_SIZE, THREAD_ALIGN, THREADINFO_GFP,
+ NUMA_NO_NODE, (void *)_RET_IP_);
}
static void __init vmap_irqstack_init(void)
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 773671b512df..2257d24e6a26 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -18,6 +18,7 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/notifier.h>
+#include <linux/vmalloc.h>
#include <asm/processor.h>
#include <asm/io.h>
@@ -38,6 +39,22 @@ EXPORT_SYMBOL_GPL(isa_bridge_pcidev);
#define ISA_SPACE_MASK 0x1
#define ISA_SPACE_IO 0x1
+static void remap_isa_base(phys_addr_t pa, unsigned long size)
+{
+ WARN_ON_ONCE(ISA_IO_BASE & ~PAGE_MASK);
+ WARN_ON_ONCE(pa & ~PAGE_MASK);
+ WARN_ON_ONCE(size & ~PAGE_MASK);
+
+ if (slab_is_available()) {
+ if (ioremap_page_range(ISA_IO_BASE, ISA_IO_BASE + size, pa,
+ pgprot_noncached(PAGE_KERNEL)))
+ unmap_kernel_range(ISA_IO_BASE, size);
+ } else {
+ early_ioremap_range(ISA_IO_BASE, pa, size,
+ pgprot_noncached(PAGE_KERNEL));
+ }
+}
+
static void pci_process_ISA_OF_ranges(struct device_node *isa_node,
unsigned long phb_io_base_phys)
{
@@ -105,15 +122,13 @@ static void pci_process_ISA_OF_ranges(struct device_node *isa_node,
if (size > 0x10000)
size = 0x10000;
- __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE,
- size, pgprot_noncached(PAGE_KERNEL));
+ remap_isa_base(phb_io_base_phys, size);
return;
inval_range:
printk(KERN_ERR "no ISA IO ranges or unexpected isa range, "
"mapping 64k\n");
- __ioremap_at(phb_io_base_phys, (void *)ISA_IO_BASE,
- 0x10000, pgprot_noncached(PAGE_KERNEL));
+ remap_isa_base(phb_io_base_phys, 0x10000);
}
@@ -248,8 +263,7 @@ void __init isa_bridge_init_non_pci(struct device_node *np)
* and map it
*/
isa_io_base = ISA_IO_BASE;
- __ioremap_at(pbase, (void *)ISA_IO_BASE,
- size, pgprot_noncached(PAGE_KERNEL));
+ remap_isa_base(pbase, size);
pr_debug("ISA: Non-PCI bridge is %pOF\n", np);
}
@@ -297,7 +311,7 @@ static void isa_bridge_remove(void)
isa_bridge_pcidev = NULL;
/* Unmap the ISA area */
- __iounmap_at((void *)ISA_IO_BASE, 0x10000);
+ unmap_kernel_range(ISA_IO_BASE, 0x10000);
}
/**
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index fb4f61096613..0cd1c88bfc8b 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -655,9 +655,7 @@ static void oops_to_nvram(struct kmsg_dumper *dumper,
int rc = -1;
switch (reason) {
- case KMSG_DUMP_RESTART:
- case KMSG_DUMP_HALT:
- case KMSG_DUMP_POWEROFF:
+ case KMSG_DUMP_SHUTDOWN:
/* These are almost always orderly shutdowns. */
return;
case KMSG_DUMP_OOPS:
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index f83d1f69b1dd..d9ac980c398c 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -109,23 +109,47 @@ int pcibios_unmap_io_space(struct pci_bus *bus)
/* Get the host bridge */
hose = pci_bus_to_host(bus);
- /* Check if we have IOs allocated */
- if (hose->io_base_alloc == NULL)
- return 0;
-
pr_debug("IO unmapping for PHB %pOF\n", hose->dn);
pr_debug(" alloc=0x%p\n", hose->io_base_alloc);
- /* This is a PHB, we fully unmap the IO area */
- vunmap(hose->io_base_alloc);
-
+ iounmap(hose->io_base_alloc);
return 0;
}
EXPORT_SYMBOL_GPL(pcibios_unmap_io_space);
-static int pcibios_map_phb_io_space(struct pci_controller *hose)
+void __iomem *ioremap_phb(phys_addr_t paddr, unsigned long size)
{
struct vm_struct *area;
+ unsigned long addr;
+
+ WARN_ON_ONCE(paddr & ~PAGE_MASK);
+ WARN_ON_ONCE(size & ~PAGE_MASK);
+
+ /*
+ * Let's allocate some IO space for that guy. We don't pass VM_IOREMAP
+ * because we don't care about alignment tricks that the core does in
+ * that case. Maybe we should due to stupid card with incomplete
+ * address decoding but I'd rather not deal with those outside of the
+ * reserved 64K legacy region.
+ */
+ area = __get_vm_area_caller(size, 0, PHB_IO_BASE, PHB_IO_END,
+ __builtin_return_address(0));
+ if (!area)
+ return NULL;
+
+ addr = (unsigned long)area->addr;
+ if (ioremap_page_range(addr, addr + size, paddr,
+ pgprot_noncached(PAGE_KERNEL))) {
+ unmap_kernel_range(addr, size);
+ return NULL;
+ }
+
+ return (void __iomem *)addr;
+}
+EXPORT_SYMBOL_GPL(ioremap_phb);
+
+static int pcibios_map_phb_io_space(struct pci_controller *hose)
+{
unsigned long phys_page;
unsigned long size_page;
unsigned long io_virt_offset;
@@ -146,12 +170,11 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
* with incomplete address decoding but I'd rather not deal with
* those outside of the reserved 64K legacy region.
*/
- area = __get_vm_area(size_page, 0, PHB_IO_BASE, PHB_IO_END);
- if (area == NULL)
+ hose->io_base_alloc = ioremap_phb(phys_page, size_page);
+ if (!hose->io_base_alloc)
return -ENOMEM;
- hose->io_base_alloc = area->addr;
- hose->io_base_virt = (void __iomem *)(area->addr +
- hose->io_base_phys - phys_page);
+ hose->io_base_virt = hose->io_base_alloc +
+ hose->io_base_phys - phys_page;
pr_debug("IO mapping for PHB %pOF\n", hose->dn);
pr_debug(" phys=0x%016llx, virt=0x%p (alloc=0x%p)\n",
@@ -159,11 +182,6 @@ static int pcibios_map_phb_io_space(struct pci_controller *hose)
pr_debug(" size=0x%016llx (alloc=0x%016lx)\n",
hose->pci_io_size, size_page);
- /* Establish the mapping */
- if (__ioremap_at(phys_page, area->addr, size_page,
- pgprot_noncached(PAGE_KERNEL)) == NULL)
- return -ENOMEM;
-
/* Fixup hose IO resource */
io_virt_offset = pcibios_io_space_offset(hose);
hose->io_resource.start += io_virt_offset;
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 438a9befce41..8105010b0e76 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -534,6 +534,8 @@ static bool __init parse_cache_info(struct device_node *np,
lsizep = of_get_property(np, propnames[3], NULL);
if (bsizep == NULL)
bsizep = lsizep;
+ if (lsizep == NULL)
+ lsizep = bsizep;
if (lsizep != NULL)
lsize = be32_to_cpu(*lsizep);
if (bsizep != NULL)
diff --git a/arch/powerpc/kernel/syscall_64.c b/arch/powerpc/kernel/syscall_64.c
index c74295a7765b..7b7c89cad901 100644
--- a/arch/powerpc/kernel/syscall_64.c
+++ b/arch/powerpc/kernel/syscall_64.c
@@ -35,6 +35,8 @@ notrace long system_call_exception(long r3, long r4, long r5,
BUG_ON(!FULL_REGS(regs));
BUG_ON(regs->softe != IRQS_ENABLED);
+ kuap_check_amr();
+
account_cpu_user_entry();
#ifdef CONFIG_PPC_SPLPAR
@@ -47,8 +49,6 @@ notrace long system_call_exception(long r3, long r4, long r5,
}
#endif
- kuap_check_amr();
-
/*
* This is not required for the syscall exit path, but makes the
* stack frame look nicer. If this was initialised in the first stack
@@ -117,6 +117,8 @@ notrace unsigned long syscall_exit_prepare(unsigned long r3,
unsigned long ti_flags;
unsigned long ret = 0;
+ kuap_check_amr();
+
regs->result = r3;
/* Check whether the syscall is issued inside a restartable sequence */
@@ -189,7 +191,7 @@ again:
/* This pattern matches prep_irq_for_idle */
__hard_EE_RI_disable();
- if (unlikely(lazy_irq_pending())) {
+ if (unlikely(lazy_irq_pending_nocheck())) {
__hard_RI_enable();
trace_hardirqs_off();
local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
@@ -204,8 +206,6 @@ again:
local_paca->tm_scratch = regs->msr;
#endif
- kuap_check_amr();
-
account_cpu_user_exit();
return ret;
@@ -228,6 +228,8 @@ notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned
BUG_ON(!FULL_REGS(regs));
BUG_ON(regs->softe != IRQS_ENABLED);
+ kuap_check_amr();
+
local_irq_save(flags);
again:
@@ -264,7 +266,7 @@ again:
trace_hardirqs_on();
__hard_EE_RI_disable();
- if (unlikely(lazy_irq_pending())) {
+ if (unlikely(lazy_irq_pending_nocheck())) {
__hard_RI_enable();
trace_hardirqs_off();
local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
@@ -292,8 +294,6 @@ again:
local_paca->tm_scratch = regs->msr;
#endif
- kuap_check_amr();
-
account_cpu_user_exit();
return ret;
@@ -313,6 +313,8 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsign
BUG_ON(regs->msr & MSR_PR);
BUG_ON(!FULL_REGS(regs));
+ kuap_check_amr();
+
if (unlikely(*ti_flagsp & _TIF_EMULATE_STACK_STORE)) {
clear_bits(_TIF_EMULATE_STACK_STORE, ti_flagsp);
ret = 1;
@@ -334,7 +336,7 @@ again:
trace_hardirqs_on();
__hard_EE_RI_disable();
- if (unlikely(lazy_irq_pending())) {
+ if (unlikely(lazy_irq_pending_nocheck())) {
__hard_RI_enable();
irq_soft_mask_set(IRQS_ALL_DISABLED);
trace_hardirqs_off();
diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
index 220ae11555f2..f833a3190822 100644
--- a/arch/powerpc/kernel/syscalls/syscall.tbl
+++ b/arch/powerpc/kernel/syscalls/syscall.tbl
@@ -527,3 +527,4 @@
435 spu clone3 sys_ni_syscall
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 3fca22276bb1..b44dd75de517 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -441,15 +441,9 @@ nonrecoverable:
void system_reset_exception(struct pt_regs *regs)
{
unsigned long hsrr0, hsrr1;
- bool nested = in_nmi();
bool saved_hsrrs = false;
- /*
- * Avoid crashes in case of nested NMI exceptions. Recoverability
- * is determined by RI and in_nmi
- */
- if (!nested)
- nmi_enter();
+ nmi_enter();
/*
* System reset can interrupt code where HSRRs are live and MSR[RI]=1.
@@ -521,8 +515,7 @@ out:
mtspr(SPRN_HSRR1, hsrr1);
}
- if (!nested)
- nmi_exit();
+ nmi_exit();
/* What should we do here? We could issue a shutdown or hard reset. */
}
@@ -823,9 +816,8 @@ int machine_check_generic(struct pt_regs *regs)
void machine_check_exception(struct pt_regs *regs)
{
int recover = 0;
- bool nested = in_nmi();
- if (!nested)
- nmi_enter();
+
+ nmi_enter();
__this_cpu_inc(irq_stat.mce_exceptions);
@@ -851,8 +843,7 @@ void machine_check_exception(struct pt_regs *regs)
if (check_io_access(regs))
goto bail;
- if (!nested)
- nmi_exit();
+ nmi_exit();
die("Machine check", regs, SIGBUS);
@@ -863,8 +854,7 @@ void machine_check_exception(struct pt_regs *regs)
return;
bail:
- if (!nested)
- nmi_exit();
+ nmi_exit();
}
void SMIException(struct pt_regs *regs)
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index a3951567118a..e7f8f9f1b3f4 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -218,11 +218,11 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
blr
/*
- * invalid clock
+ * syscall fallback
*/
99:
- li r3, EINVAL
- crset so
+ li r0,__NR_clock_getres
+ sc
blr
.cfi_endproc
V_FUNCTION_END(__kernel_clock_getres)
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 31a0f201fb6f..a1706b63b82d 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -90,6 +90,7 @@ SECTIONS
#ifdef CONFIG_PPC64
*(.tramp.ftrace.text);
#endif
+ NOINSTR_TEXT
SCHED_TEXT
CPUIDLE_TEXT
LOCK_TEXT
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 5690a1f9b976..37508a356f28 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -36,41 +36,38 @@
#include "book3s.h"
#include "trace.h"
-#define VM_STAT(x, ...) offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__
-#define VCPU_STAT(x, ...) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__
-
/* #define EXIT_DEBUG */
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "exits", VCPU_STAT(sum_exits) },
- { "mmio", VCPU_STAT(mmio_exits) },
- { "sig", VCPU_STAT(signal_exits) },
- { "sysc", VCPU_STAT(syscall_exits) },
- { "inst_emu", VCPU_STAT(emulated_inst_exits) },
- { "dec", VCPU_STAT(dec_exits) },
- { "ext_intr", VCPU_STAT(ext_intr_exits) },
- { "queue_intr", VCPU_STAT(queue_intr) },
- { "halt_poll_success_ns", VCPU_STAT(halt_poll_success_ns) },
- { "halt_poll_fail_ns", VCPU_STAT(halt_poll_fail_ns) },
- { "halt_wait_ns", VCPU_STAT(halt_wait_ns) },
- { "halt_successful_poll", VCPU_STAT(halt_successful_poll), },
- { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll), },
- { "halt_successful_wait", VCPU_STAT(halt_successful_wait) },
- { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) },
- { "halt_wakeup", VCPU_STAT(halt_wakeup) },
- { "pf_storage", VCPU_STAT(pf_storage) },
- { "sp_storage", VCPU_STAT(sp_storage) },
- { "pf_instruc", VCPU_STAT(pf_instruc) },
- { "sp_instruc", VCPU_STAT(sp_instruc) },
- { "ld", VCPU_STAT(ld) },
- { "ld_slow", VCPU_STAT(ld_slow) },
- { "st", VCPU_STAT(st) },
- { "st_slow", VCPU_STAT(st_slow) },
- { "pthru_all", VCPU_STAT(pthru_all) },
- { "pthru_host", VCPU_STAT(pthru_host) },
- { "pthru_bad_aff", VCPU_STAT(pthru_bad_aff) },
- { "largepages_2M", VM_STAT(num_2M_pages, .mode = 0444) },
- { "largepages_1G", VM_STAT(num_1G_pages, .mode = 0444) },
+ VCPU_STAT("exits", sum_exits),
+ VCPU_STAT("mmio", mmio_exits),
+ VCPU_STAT("sig", signal_exits),
+ VCPU_STAT("sysc", syscall_exits),
+ VCPU_STAT("inst_emu", emulated_inst_exits),
+ VCPU_STAT("dec", dec_exits),
+ VCPU_STAT("ext_intr", ext_intr_exits),
+ VCPU_STAT("queue_intr", queue_intr),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
+ VCPU_STAT("halt_wait_ns", halt_wait_ns),
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_successful_wait", halt_successful_wait),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("pf_storage", pf_storage),
+ VCPU_STAT("sp_storage", sp_storage),
+ VCPU_STAT("pf_instruc", pf_instruc),
+ VCPU_STAT("sp_instruc", sp_instruc),
+ VCPU_STAT("ld", ld),
+ VCPU_STAT("ld_slow", ld_slow),
+ VCPU_STAT("st", st),
+ VCPU_STAT("st_slow", st_slow),
+ VCPU_STAT("pthru_all", pthru_all),
+ VCPU_STAT("pthru_host", pthru_host),
+ VCPU_STAT("pthru_bad_aff", pthru_bad_aff),
+ VM_STAT("largepages_2M", num_2M_pages, .mode = 0444),
+ VM_STAT("largepages_1G", num_1G_pages, .mode = 0444),
{ NULL }
};
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 6404df613ea3..2b35f9bcf892 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -604,18 +604,19 @@ int kvmppc_book3s_hv_page_fault(struct kvm_run *run, struct kvm_vcpu *vcpu,
*/
local_irq_disable();
ptep = __find_linux_pte(vcpu->arch.pgdir, hva, NULL, &shift);
+ pte = __pte(0);
+ if (ptep)
+ pte = *ptep;
+ local_irq_enable();
/*
* If the PTE disappeared temporarily due to a THP
* collapse, just return and let the guest try again.
*/
- if (!ptep) {
- local_irq_enable();
+ if (!pte_present(pte)) {
if (page)
put_page(page);
return RESUME_GUEST;
}
- pte = *ptep;
- local_irq_enable();
hpa = pte_pfn(pte) << PAGE_SHIFT;
pte_size = PAGE_SIZE;
if (shift)
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 9f050064d2a2..aa12cd4078b3 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -815,18 +815,19 @@ int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu,
*/
local_irq_disable();
ptep = __find_linux_pte(vcpu->arch.pgdir, hva, NULL, &shift);
+ pte = __pte(0);
+ if (ptep)
+ pte = *ptep;
+ local_irq_enable();
/*
* If the PTE disappeared temporarily due to a THP
* collapse, just return and let the guest try again.
*/
- if (!ptep) {
- local_irq_enable();
+ if (!pte_present(pte)) {
if (page)
put_page(page);
return RESUME_GUEST;
}
- pte = *ptep;
- local_irq_enable();
/* If we're logging dirty pages, always map single pages */
large_enable = !(memslot->flags & KVM_MEM_LOG_DIRTY_PAGES);
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 93493f0cbfe8..7f59c47a5b9d 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -230,13 +230,11 @@ static bool kvmppc_ipi_thread(int cpu)
static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu)
{
int cpu;
- struct swait_queue_head *wqp;
+ struct rcuwait *waitp;
- wqp = kvm_arch_vcpu_wq(vcpu);
- if (swq_has_sleeper(wqp)) {
- swake_up_one(wqp);
+ waitp = kvm_arch_vcpu_get_wait(vcpu);
+ if (rcuwait_wake_up(waitp))
++vcpu->stat.halt_wakeup;
- }
cpu = READ_ONCE(vcpu->arch.thread_cpu);
if (cpu >= 0 && kvmppc_ipi_thread(cpu))
@@ -2125,7 +2123,7 @@ static struct kvmppc_vcore *kvmppc_vcore_create(struct kvm *kvm, int id)
spin_lock_init(&vcore->lock);
spin_lock_init(&vcore->stoltb_lock);
- init_swait_queue_head(&vcore->wq);
+ rcuwait_init(&vcore->wait);
vcore->preempt_tb = TB_NIL;
vcore->lpcr = kvm->arch.lpcr;
vcore->first_vcpuid = id;
@@ -3784,7 +3782,6 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc)
ktime_t cur, start_poll, start_wait;
int do_sleep = 1;
u64 block_ns;
- DECLARE_SWAITQUEUE(wait);
/* Poll for pending exceptions and ceded state */
cur = start_poll = ktime_get();
@@ -3812,10 +3809,10 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc)
}
}
- prepare_to_swait_exclusive(&vc->wq, &wait, TASK_INTERRUPTIBLE);
-
+ prepare_to_rcuwait(&vc->wait);
+ set_current_state(TASK_INTERRUPTIBLE);
if (kvmppc_vcore_check_block(vc)) {
- finish_swait(&vc->wq, &wait);
+ finish_rcuwait(&vc->wait);
do_sleep = 0;
/* If we polled, count this as a successful poll */
if (vc->halt_poll_ns)
@@ -3829,7 +3826,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc)
trace_kvmppc_vcore_blocked(vc, 0);
spin_unlock(&vc->lock);
schedule();
- finish_swait(&vc->wq, &wait);
+ finish_rcuwait(&vc->wait);
spin_lock(&vc->lock);
vc->vcore_state = VCORE_INACTIVE;
trace_kvmppc_vcore_blocked(vc, 1);
@@ -3940,7 +3937,7 @@ static int kvmppc_run_vcpu(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
kvmppc_start_thread(vcpu, vc);
trace_kvm_guest_enter(vcpu);
} else if (vc->vcore_state == VCORE_SLEEPING) {
- swake_up_one(&vc->wq);
+ rcuwait_wake_up(&vc->wait);
}
}
@@ -4279,7 +4276,7 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
}
user_vrsave = mfspr(SPRN_VRSAVE);
- vcpu->arch.wqp = &vcpu->arch.vcore->wq;
+ vcpu->arch.waitp = &vcpu->arch.vcore->wait;
vcpu->arch.pgdir = kvm->mm->pgd;
vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST;
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 6c18ea88fd25..888afe8d35cc 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -35,29 +35,28 @@
unsigned long kvmppc_booke_handlers;
-#define VM_STAT(x) offsetof(struct kvm, stat.x), KVM_STAT_VM
-#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
-
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "mmio", VCPU_STAT(mmio_exits) },
- { "sig", VCPU_STAT(signal_exits) },
- { "itlb_r", VCPU_STAT(itlb_real_miss_exits) },
- { "itlb_v", VCPU_STAT(itlb_virt_miss_exits) },
- { "dtlb_r", VCPU_STAT(dtlb_real_miss_exits) },
- { "dtlb_v", VCPU_STAT(dtlb_virt_miss_exits) },
- { "sysc", VCPU_STAT(syscall_exits) },
- { "isi", VCPU_STAT(isi_exits) },
- { "dsi", VCPU_STAT(dsi_exits) },
- { "inst_emu", VCPU_STAT(emulated_inst_exits) },
- { "dec", VCPU_STAT(dec_exits) },
- { "ext_intr", VCPU_STAT(ext_intr_exits) },
- { "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
- { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
- { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) },
- { "halt_wakeup", VCPU_STAT(halt_wakeup) },
- { "doorbell", VCPU_STAT(dbell_exits) },
- { "guest doorbell", VCPU_STAT(gdbell_exits) },
- { "remote_tlb_flush", VM_STAT(remote_tlb_flush) },
+ VCPU_STAT("mmio", mmio_exits),
+ VCPU_STAT("sig", signal_exits),
+ VCPU_STAT("itlb_r", itlb_real_miss_exits),
+ VCPU_STAT("itlb_v", itlb_virt_miss_exits),
+ VCPU_STAT("dtlb_r", dtlb_real_miss_exits),
+ VCPU_STAT("dtlb_v", dtlb_virt_miss_exits),
+ VCPU_STAT("sysc", syscall_exits),
+ VCPU_STAT("isi", isi_exits),
+ VCPU_STAT("dsi", dsi_exits),
+ VCPU_STAT("inst_emu", emulated_inst_exits),
+ VCPU_STAT("dec", dec_exits),
+ VCPU_STAT("ext_intr", ext_intr_exits),
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("doorbell", dbell_exits),
+ VCPU_STAT("guest doorbell", gdbell_exits),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
+ VM_STAT("remote_tlb_flush", remote_tlb_flush),
{ NULL }
};
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index e15166b0a16d..27ccff612903 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -521,6 +521,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
case KVM_CAP_IMMEDIATE_EXIT:
+ case KVM_CAP_SET_GUEST_DEBUG:
r = 1;
break;
case KVM_CAP_PPC_GUEST_DEBUG_SSTEP:
@@ -751,7 +752,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
if (err)
goto out_vcpu_uninit;
- vcpu->arch.wqp = &vcpu->wq;
+ vcpu->arch.waitp = &vcpu->wait;
kvmppc_create_vcpu_debugfs(vcpu, vcpu->vcpu_id);
return 0;
@@ -1764,8 +1765,9 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, struct kvm_one_reg *reg)
return r;
}
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *run = vcpu->run;
int r;
vcpu_load(vcpu);
diff --git a/arch/powerpc/mm/book3s32/hash_low.S b/arch/powerpc/mm/book3s32/hash_low.S
index 6d236080cb1a..877d880890fe 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -35,7 +35,7 @@ mmu_hash_lock:
/*
* Load a PTE into the hash table, if possible.
* The address is in r4, and r3 contains an access flag:
- * _PAGE_RW (0x002) if a write.
+ * _PAGE_RW (0x400) if a write.
* r9 contains the SRR1 value, from which we use the MSR_PR bit.
* SPRG_THREAD contains the physical address of the current task's thread.
*
@@ -69,7 +69,7 @@ _GLOBAL(hash_page)
blt+ 112f /* assume user more likely */
lis r5, (swapper_pg_dir - PAGE_OFFSET)@ha /* if kernel address, use */
addi r5 ,r5 ,(swapper_pg_dir - PAGE_OFFSET)@l /* kernel page table */
- rlwimi r3,r9,32-14,31,31 /* MSR_PR -> _PAGE_USER */
+ rlwimi r3,r9,32-12,29,29 /* MSR_PR -> _PAGE_USER */
112:
#ifndef CONFIG_PTE_64BIT
rlwimi r5,r4,12,20,29 /* insert top 10 bits of address */
@@ -94,7 +94,7 @@ _GLOBAL(hash_page)
#else
rlwimi r8,r4,23,20,28 /* compute pte address */
#endif
- rlwinm r0,r3,6,24,24 /* _PAGE_RW access -> _PAGE_DIRTY */
+ rlwinm r0,r3,32-3,24,24 /* _PAGE_RW access -> _PAGE_DIRTY */
ori r0,r0,_PAGE_ACCESSED|_PAGE_HASHPTE
/*
@@ -310,9 +310,11 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64)
_GLOBAL(create_hpte)
/* Convert linux-style PTE (r5) to low word of PPC-style PTE (r8) */
+ rlwinm r8,r5,32-9,30,30 /* _PAGE_RW -> PP msb */
rlwinm r0,r5,32-6,30,30 /* _PAGE_DIRTY -> PP msb */
- and r8,r5,r0 /* writable if _RW & _DIRTY */
- rlwimi r5,r5,1,30,30 /* _PAGE_USER -> PP msb */
+ and r8,r8,r0 /* writable if _RW & _DIRTY */
+ rlwimi r5,r5,32-1,30,30 /* _PAGE_USER -> PP msb */
+ rlwimi r5,r5,32-2,31,31 /* _PAGE_USER -> PP lsb */
ori r8,r8,0xe04 /* clear out reserved bits */
andc r8,r5,r8 /* PP = user? (rw&dirty? 1: 3): 0 */
BEGIN_FTR_SECTION
@@ -564,7 +566,7 @@ _GLOBAL(flush_hash_pages)
33: lwarx r8,0,r5 /* fetch the pte flags word */
andi. r0,r8,_PAGE_HASHPTE
beq 8f /* done if HASHPTE is already clear */
- rlwinm r8,r8,0,~_PAGE_HASHPTE /* clear HASHPTE bit */
+ rlwinm r8,r8,0,31,29 /* clear HASHPTE bit */
stwcx. r8,0,r5 /* update the pte */
bne- 33b
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 33b3461d91e8..4d5ed1093615 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -558,7 +558,7 @@ unsigned long vma_mmu_pagesize(struct vm_area_struct *vma)
return vma_kernel_pagesize(vma);
}
-static int __init add_huge_page_size(unsigned long long size)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
int shift = __ffs(size);
int mmu_psize;
@@ -566,37 +566,27 @@ static int __init add_huge_page_size(unsigned long long size)
/* Check that it is a page size supported by the hardware and
* that it fits within pagetable and slice limits. */
if (size <= PAGE_SIZE || !is_power_of_2(size))
- return -EINVAL;
+ return false;
mmu_psize = check_and_get_huge_psize(shift);
if (mmu_psize < 0)
- return -EINVAL;
+ return false;
BUG_ON(mmu_psize_defs[mmu_psize].shift != shift);
- /* Return if huge page size has already been setup */
- if (size_to_hstate(size))
- return 0;
-
- hugetlb_add_hstate(shift - PAGE_SHIFT);
-
- return 0;
+ return true;
}
-static int __init hugepage_setup_sz(char *str)
+static int __init add_huge_page_size(unsigned long long size)
{
- unsigned long long size;
-
- size = memparse(str, &str);
+ int shift = __ffs(size);
- if (add_huge_page_size(size) != 0) {
- hugetlb_bad_size();
- pr_err("Invalid huge page size specified(%llu)\n", size);
- }
+ if (!arch_hugetlb_valid_size((unsigned long)size))
+ return -EINVAL;
- return 1;
+ hugetlb_add_hstate(shift - PAGE_SHIFT);
+ return 0;
}
-__setup("hugepagesz=", hugepage_setup_sz);
static int __init hugetlbpage_init(void)
{
diff --git a/arch/powerpc/mm/ioremap_64.c b/arch/powerpc/mm/ioremap_64.c
index 50a99d9684f7..ba5cbb0d66bd 100644
--- a/arch/powerpc/mm/ioremap_64.c
+++ b/arch/powerpc/mm/ioremap_64.c
@@ -4,56 +4,6 @@
#include <linux/slab.h>
#include <linux/vmalloc.h>
-/**
- * Low level function to establish the page tables for an IO mapping
- */
-void __iomem *__ioremap_at(phys_addr_t pa, void *ea, unsigned long size, pgprot_t prot)
-{
- int ret;
- unsigned long va = (unsigned long)ea;
-
- /* We don't support the 4K PFN hack with ioremap */
- if (pgprot_val(prot) & H_PAGE_4K_PFN)
- return NULL;
-
- if ((ea + size) >= (void *)IOREMAP_END) {
- pr_warn("Outside the supported range\n");
- return NULL;
- }
-
- WARN_ON(pa & ~PAGE_MASK);
- WARN_ON(((unsigned long)ea) & ~PAGE_MASK);
- WARN_ON(size & ~PAGE_MASK);
-
- if (slab_is_available()) {
- ret = ioremap_page_range(va, va + size, pa, prot);
- if (ret)
- unmap_kernel_range(va, size);
- } else {
- ret = early_ioremap_range(va, pa, size, prot);
- }
-
- if (ret)
- return NULL;
-
- return (void __iomem *)ea;
-}
-EXPORT_SYMBOL(__ioremap_at);
-
-/**
- * Low level function to tear down the page tables for an IO mapping. This is
- * used for mappings that are manipulated manually, like partial unmapping of
- * PCI IOs or ISA space.
- */
-void __iounmap_at(void *ea, unsigned long size)
-{
- WARN_ON(((unsigned long)ea) & ~PAGE_MASK);
- WARN_ON(size & ~PAGE_MASK);
-
- unmap_kernel_range((unsigned long)ea, size);
-}
-EXPORT_SYMBOL(__iounmap_at);
-
void __iomem *__ioremap_caller(phys_addr_t addr, unsigned long size,
pgprot_t prot, void *caller)
{
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 041ed7cfd341..0fcea21f26b4 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -271,7 +271,7 @@ void __init paging_init(void)
max_zone_pfns[ZONE_HIGHMEM] = max_pfn;
#endif
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
mark_nonram_nosave();
}
diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index 3189308dece4..d83a12c5bc7f 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -185,6 +185,7 @@ void mmu_mark_initmem_nx(void)
mmu_mapin_ram_chunk(etext8, einittext8, PAGE_KERNEL);
}
}
+ _tlbil_all();
}
#ifdef CONFIG_STRICT_KERNEL_RWX
@@ -199,6 +200,8 @@ void mmu_mark_rodata_ro(void)
~(LARGE_PAGE_SIZE_8M - 1)));
mmu_patch_addis(&patch__dtlbmiss_romem_top, -__pa(_sinittext));
+ _tlbil_all();
+
/* Update page tables for PTDUMP and BDI */
mmu_mapin_ram_chunk(0, sinittext, __pgprot(0));
mmu_mapin_ram_chunk(0, etext, PAGE_KERNEL_ROX);
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index eb82dda884e5..0edcfd0b491d 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -976,7 +976,7 @@ static int thread_imc_event_init(struct perf_event *event)
if (event->attr.type != event->pmu->type)
return -ENOENT;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
/* Sampling not supported */
@@ -1412,7 +1412,7 @@ static int trace_imc_event_init(struct perf_event *event)
if (event->attr.type != event->pmu->type)
return -ENOENT;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
/* Return if this is a couting event */
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 0c3c1902135c..27a81c291be8 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -397,7 +397,7 @@ config PPC_KUAP
config PPC_KUAP_DEBUG
bool "Extra debugging for Kernel Userspace Access Protection"
- depends on PPC_KUAP && (PPC_RADIX_MMU || PPC_32)
+ depends on PPC_KUAP && (PPC_RADIX_MMU || PPC32)
help
Add extra debugging for Kernel Userspace Access Protection (KUAP)
If you're unsure, say N.
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 8b3296b62f65..3b75e8f60609 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -21,22 +21,6 @@
#include "spufs.h"
-static ssize_t do_coredump_read(int num, struct spu_context *ctx, void *buffer,
- size_t size, loff_t *off)
-{
- u64 data;
- int ret;
-
- if (spufs_coredump_read[num].read)
- return spufs_coredump_read[num].read(ctx, buffer, size, off);
-
- data = spufs_coredump_read[num].get(ctx);
- ret = snprintf(buffer, size, "0x%.16llx", data);
- if (ret >= size)
- return size;
- return ++ret; /* count trailing NULL */
-}
-
static int spufs_ctx_note_size(struct spu_context *ctx, int dfd)
{
int i, sz, total = 0;
@@ -118,58 +102,43 @@ int spufs_coredump_extra_notes_size(void)
static int spufs_arch_write_note(struct spu_context *ctx, int i,
struct coredump_params *cprm, int dfd)
{
- loff_t pos = 0;
- int sz, rc, total = 0;
- const int bufsz = PAGE_SIZE;
- char *name;
- char fullname[80], *buf;
+ size_t sz = spufs_coredump_read[i].size;
+ char fullname[80];
struct elf_note en;
- size_t skip;
-
- buf = (void *)get_zeroed_page(GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
+ size_t ret;
- name = spufs_coredump_read[i].name;
- sz = spufs_coredump_read[i].size;
-
- sprintf(fullname, "SPU/%d/%s", dfd, name);
+ sprintf(fullname, "SPU/%d/%s", dfd, spufs_coredump_read[i].name);
en.n_namesz = strlen(fullname) + 1;
en.n_descsz = sz;
en.n_type = NT_SPU;
if (!dump_emit(cprm, &en, sizeof(en)))
- goto Eio;
-
+ return -EIO;
if (!dump_emit(cprm, fullname, en.n_namesz))
- goto Eio;
-
+ return -EIO;
if (!dump_align(cprm, 4))
- goto Eio;
-
- do {
- rc = do_coredump_read(i, ctx, buf, bufsz, &pos);
- if (rc > 0) {
- if (!dump_emit(cprm, buf, rc))
- goto Eio;
- total += rc;
- }
- } while (rc == bufsz && total < sz);
-
- if (rc < 0)
- goto out;
-
- skip = roundup(cprm->pos - total + sz, 4) - cprm->pos;
- if (!dump_skip(cprm, skip))
- goto Eio;
-
- rc = 0;
-out:
- free_page((unsigned long)buf);
- return rc;
-Eio:
- free_page((unsigned long)buf);
- return -EIO;
+ return -EIO;
+
+ if (spufs_coredump_read[i].dump) {
+ ret = spufs_coredump_read[i].dump(ctx, cprm);
+ if (ret < 0)
+ return ret;
+ } else {
+ char buf[32];
+
+ ret = snprintf(buf, sizeof(buf), "0x%.16llx",
+ spufs_coredump_read[i].get(ctx));
+ if (ret >= sizeof(buf))
+ return sizeof(buf);
+
+ /* count trailing the NULL: */
+ if (!dump_emit(cprm, buf, ret + 1))
+ return -EIO;
+ }
+
+ if (!dump_skip(cprm, roundup(cprm->pos - ret + sz, 4) - cprm->pos))
+ return -EIO;
+ return 0;
}
int spufs_coredump_extra_notes_write(struct coredump_params *cprm)
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index c0f950a3f4e1..e44427c24585 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -9,6 +9,7 @@
#undef DEBUG
+#include <linux/coredump.h>
#include <linux/fs.h>
#include <linux/ioctl.h>
#include <linux/export.h>
@@ -129,6 +130,14 @@ out:
return ret;
}
+static ssize_t spufs_dump_emit(struct coredump_params *cprm, void *buf,
+ size_t size)
+{
+ if (!dump_emit(cprm, buf, size))
+ return -EIO;
+ return size;
+}
+
#define DEFINE_SPUFS_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt) \
static int __fops ## _open(struct inode *inode, struct file *file) \
{ \
@@ -172,12 +181,9 @@ spufs_mem_release(struct inode *inode, struct file *file)
}
static ssize_t
-__spufs_mem_read(struct spu_context *ctx, char __user *buffer,
- size_t size, loff_t *pos)
+spufs_mem_dump(struct spu_context *ctx, struct coredump_params *cprm)
{
- char *local_store = ctx->ops->get_ls(ctx);
- return simple_read_from_buffer(buffer, size, pos, local_store,
- LS_SIZE);
+ return spufs_dump_emit(cprm, ctx->ops->get_ls(ctx), LS_SIZE);
}
static ssize_t
@@ -190,7 +196,8 @@ spufs_mem_read(struct file *file, char __user *buffer,
ret = spu_acquire(ctx);
if (ret)
return ret;
- ret = __spufs_mem_read(ctx, buffer, size, pos);
+ ret = simple_read_from_buffer(buffer, size, pos, ctx->ops->get_ls(ctx),
+ LS_SIZE);
spu_release(ctx);
return ret;
@@ -459,12 +466,10 @@ spufs_regs_open(struct inode *inode, struct file *file)
}
static ssize_t
-__spufs_regs_read(struct spu_context *ctx, char __user *buffer,
- size_t size, loff_t *pos)
+spufs_regs_dump(struct spu_context *ctx, struct coredump_params *cprm)
{
- struct spu_lscsa *lscsa = ctx->csa.lscsa;
- return simple_read_from_buffer(buffer, size, pos,
- lscsa->gprs, sizeof lscsa->gprs);
+ return spufs_dump_emit(cprm, ctx->csa.lscsa->gprs,
+ sizeof(ctx->csa.lscsa->gprs));
}
static ssize_t
@@ -482,7 +487,8 @@ spufs_regs_read(struct file *file, char __user *buffer,
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
- ret = __spufs_regs_read(ctx, buffer, size, pos);
+ ret = simple_read_from_buffer(buffer, size, pos, ctx->csa.lscsa->gprs,
+ sizeof(ctx->csa.lscsa->gprs));
spu_release_saved(ctx);
return ret;
}
@@ -517,12 +523,10 @@ static const struct file_operations spufs_regs_fops = {
};
static ssize_t
-__spufs_fpcr_read(struct spu_context *ctx, char __user * buffer,
- size_t size, loff_t * pos)
+spufs_fpcr_dump(struct spu_context *ctx, struct coredump_params *cprm)
{
- struct spu_lscsa *lscsa = ctx->csa.lscsa;
- return simple_read_from_buffer(buffer, size, pos,
- &lscsa->fpcr, sizeof(lscsa->fpcr));
+ return spufs_dump_emit(cprm, &ctx->csa.lscsa->fpcr,
+ sizeof(ctx->csa.lscsa->fpcr));
}
static ssize_t
@@ -535,7 +539,8 @@ spufs_fpcr_read(struct file *file, char __user * buffer,
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
- ret = __spufs_fpcr_read(ctx, buffer, size, pos);
+ ret = simple_read_from_buffer(buffer, size, pos, &ctx->csa.lscsa->fpcr,
+ sizeof(ctx->csa.lscsa->fpcr));
spu_release_saved(ctx);
return ret;
}
@@ -590,17 +595,12 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
- u32 mbox_data, __user *udata;
+ u32 mbox_data, __user *udata = (void __user *)buf;
ssize_t count;
if (len < 4)
return -EINVAL;
- if (!access_ok(buf, len))
- return -EFAULT;
-
- udata = (void __user *)buf;
-
count = spu_acquire(ctx);
if (count)
return count;
@@ -616,7 +616,7 @@ static ssize_t spufs_mbox_read(struct file *file, char __user *buf,
* but still need to return the data we have
* read successfully so far.
*/
- ret = __put_user(mbox_data, udata);
+ ret = put_user(mbox_data, udata);
if (ret) {
if (!count)
count = -EFAULT;
@@ -698,17 +698,12 @@ static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
- u32 ibox_data, __user *udata;
+ u32 ibox_data, __user *udata = (void __user *)buf;
ssize_t count;
if (len < 4)
return -EINVAL;
- if (!access_ok(buf, len))
- return -EFAULT;
-
- udata = (void __user *)buf;
-
count = spu_acquire(ctx);
if (count)
goto out;
@@ -727,7 +722,7 @@ static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
}
/* if we can't write at all, return -EFAULT */
- count = __put_user(ibox_data, udata);
+ count = put_user(ibox_data, udata);
if (count)
goto out_unlock;
@@ -741,7 +736,7 @@ static ssize_t spufs_ibox_read(struct file *file, char __user *buf,
* but still need to return the data we have
* read successfully so far.
*/
- ret = __put_user(ibox_data, udata);
+ ret = put_user(ibox_data, udata);
if (ret)
break;
}
@@ -836,17 +831,13 @@ static ssize_t spufs_wbox_write(struct file *file, const char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
- u32 wbox_data, __user *udata;
+ u32 wbox_data, __user *udata = (void __user *)buf;
ssize_t count;
if (len < 4)
return -EINVAL;
- udata = (void __user *)buf;
- if (!access_ok(buf, len))
- return -EFAULT;
-
- if (__get_user(wbox_data, udata))
+ if (get_user(wbox_data, udata))
return -EFAULT;
count = spu_acquire(ctx);
@@ -873,7 +864,7 @@ static ssize_t spufs_wbox_write(struct file *file, const char __user *buf,
/* write as much as possible */
for (count = 4, udata++; (count + 4) <= len; count += 4, udata++) {
int ret;
- ret = __get_user(wbox_data, udata);
+ ret = get_user(wbox_data, udata);
if (ret)
break;
@@ -967,28 +958,26 @@ spufs_signal1_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t __spufs_signal1_read(struct spu_context *ctx, char __user *buf,
- size_t len, loff_t *pos)
+static ssize_t spufs_signal1_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
{
- int ret = 0;
- u32 data;
+ if (!ctx->csa.spu_chnlcnt_RW[3])
+ return 0;
+ return spufs_dump_emit(cprm, &ctx->csa.spu_chnldata_RW[3],
+ sizeof(ctx->csa.spu_chnldata_RW[3]));
+}
- if (len < 4)
+static ssize_t __spufs_signal1_read(struct spu_context *ctx, char __user *buf,
+ size_t len)
+{
+ if (len < sizeof(ctx->csa.spu_chnldata_RW[3]))
return -EINVAL;
-
- if (ctx->csa.spu_chnlcnt_RW[3]) {
- data = ctx->csa.spu_chnldata_RW[3];
- ret = 4;
- }
-
- if (!ret)
- goto out;
-
- if (copy_to_user(buf, &data, 4))
+ if (!ctx->csa.spu_chnlcnt_RW[3])
+ return 0;
+ if (copy_to_user(buf, &ctx->csa.spu_chnldata_RW[3],
+ sizeof(ctx->csa.spu_chnldata_RW[3])))
return -EFAULT;
-
-out:
- return ret;
+ return sizeof(ctx->csa.spu_chnldata_RW[3]);
}
static ssize_t spufs_signal1_read(struct file *file, char __user *buf,
@@ -1000,7 +989,7 @@ static ssize_t spufs_signal1_read(struct file *file, char __user *buf,
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
- ret = __spufs_signal1_read(ctx, buf, len, pos);
+ ret = __spufs_signal1_read(ctx, buf, len);
spu_release_saved(ctx);
return ret;
@@ -1104,28 +1093,26 @@ spufs_signal2_release(struct inode *inode, struct file *file)
return 0;
}
-static ssize_t __spufs_signal2_read(struct spu_context *ctx, char __user *buf,
- size_t len, loff_t *pos)
+static ssize_t spufs_signal2_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
{
- int ret = 0;
- u32 data;
+ if (!ctx->csa.spu_chnlcnt_RW[4])
+ return 0;
+ return spufs_dump_emit(cprm, &ctx->csa.spu_chnldata_RW[4],
+ sizeof(ctx->csa.spu_chnldata_RW[4]));
+}
- if (len < 4)
+static ssize_t __spufs_signal2_read(struct spu_context *ctx, char __user *buf,
+ size_t len)
+{
+ if (len < sizeof(ctx->csa.spu_chnldata_RW[4]))
return -EINVAL;
-
- if (ctx->csa.spu_chnlcnt_RW[4]) {
- data = ctx->csa.spu_chnldata_RW[4];
- ret = 4;
- }
-
- if (!ret)
- goto out;
-
- if (copy_to_user(buf, &data, 4))
+ if (!ctx->csa.spu_chnlcnt_RW[4])
+ return 0;
+ if (copy_to_user(buf, &ctx->csa.spu_chnldata_RW[4],
+ sizeof(ctx->csa.spu_chnldata_RW[4])))
return -EFAULT;
-
-out:
- return ret;
+ return sizeof(ctx->csa.spu_chnldata_RW[4]);
}
static ssize_t spufs_signal2_read(struct file *file, char __user *buf,
@@ -1137,7 +1124,7 @@ static ssize_t spufs_signal2_read(struct file *file, char __user *buf,
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
- ret = __spufs_signal2_read(ctx, buf, len, pos);
+ ret = __spufs_signal2_read(ctx, buf, len);
spu_release_saved(ctx);
return ret;
@@ -1961,38 +1948,36 @@ static const struct file_operations spufs_caps_fops = {
.release = single_release,
};
-static ssize_t __spufs_mbox_info_read(struct spu_context *ctx,
- char __user *buf, size_t len, loff_t *pos)
+static ssize_t spufs_mbox_info_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
{
- u32 data;
-
- /* EOF if there's no entry in the mbox */
if (!(ctx->csa.prob.mb_stat_R & 0x0000ff))
return 0;
-
- data = ctx->csa.prob.pu_mb_R;
-
- return simple_read_from_buffer(buf, len, pos, &data, sizeof data);
+ return spufs_dump_emit(cprm, &ctx->csa.prob.pu_mb_R,
+ sizeof(ctx->csa.prob.pu_mb_R));
}
static ssize_t spufs_mbox_info_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
- int ret;
struct spu_context *ctx = file->private_data;
-
- if (!access_ok(buf, len))
- return -EFAULT;
+ u32 stat, data;
+ int ret;
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
spin_lock(&ctx->csa.register_lock);
- ret = __spufs_mbox_info_read(ctx, buf, len, pos);
+ stat = ctx->csa.prob.mb_stat_R;
+ data = ctx->csa.prob.pu_mb_R;
spin_unlock(&ctx->csa.register_lock);
spu_release_saved(ctx);
- return ret;
+ /* EOF if there's no entry in the mbox */
+ if (!(stat & 0x0000ff))
+ return 0;
+
+ return simple_read_from_buffer(buf, len, pos, &data, sizeof(data));
}
static const struct file_operations spufs_mbox_info_fops = {
@@ -2001,38 +1986,36 @@ static const struct file_operations spufs_mbox_info_fops = {
.llseek = generic_file_llseek,
};
-static ssize_t __spufs_ibox_info_read(struct spu_context *ctx,
- char __user *buf, size_t len, loff_t *pos)
+static ssize_t spufs_ibox_info_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
{
- u32 data;
-
- /* EOF if there's no entry in the ibox */
if (!(ctx->csa.prob.mb_stat_R & 0xff0000))
return 0;
-
- data = ctx->csa.priv2.puint_mb_R;
-
- return simple_read_from_buffer(buf, len, pos, &data, sizeof data);
+ return spufs_dump_emit(cprm, &ctx->csa.priv2.puint_mb_R,
+ sizeof(ctx->csa.priv2.puint_mb_R));
}
static ssize_t spufs_ibox_info_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
+ u32 stat, data;
int ret;
- if (!access_ok(buf, len))
- return -EFAULT;
-
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
spin_lock(&ctx->csa.register_lock);
- ret = __spufs_ibox_info_read(ctx, buf, len, pos);
+ stat = ctx->csa.prob.mb_stat_R;
+ data = ctx->csa.priv2.puint_mb_R;
spin_unlock(&ctx->csa.register_lock);
spu_release_saved(ctx);
- return ret;
+ /* EOF if there's no entry in the ibox */
+ if (!(stat & 0xff0000))
+ return 0;
+
+ return simple_read_from_buffer(buf, len, pos, &data, sizeof(data));
}
static const struct file_operations spufs_ibox_info_fops = {
@@ -2041,41 +2024,36 @@ static const struct file_operations spufs_ibox_info_fops = {
.llseek = generic_file_llseek,
};
-static ssize_t __spufs_wbox_info_read(struct spu_context *ctx,
- char __user *buf, size_t len, loff_t *pos)
+static size_t spufs_wbox_info_cnt(struct spu_context *ctx)
{
- int i, cnt;
- u32 data[4];
- u32 wbox_stat;
-
- wbox_stat = ctx->csa.prob.mb_stat_R;
- cnt = 4 - ((wbox_stat & 0x00ff00) >> 8);
- for (i = 0; i < cnt; i++) {
- data[i] = ctx->csa.spu_mailbox_data[i];
- }
+ return (4 - ((ctx->csa.prob.mb_stat_R & 0x00ff00) >> 8)) * sizeof(u32);
+}
- return simple_read_from_buffer(buf, len, pos, &data,
- cnt * sizeof(u32));
+static ssize_t spufs_wbox_info_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
+{
+ return spufs_dump_emit(cprm, &ctx->csa.spu_mailbox_data,
+ spufs_wbox_info_cnt(ctx));
}
static ssize_t spufs_wbox_info_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
- int ret;
-
- if (!access_ok(buf, len))
- return -EFAULT;
+ u32 data[ARRAY_SIZE(ctx->csa.spu_mailbox_data)];
+ int ret, count;
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
spin_lock(&ctx->csa.register_lock);
- ret = __spufs_wbox_info_read(ctx, buf, len, pos);
+ count = spufs_wbox_info_cnt(ctx);
+ memcpy(&data, &ctx->csa.spu_mailbox_data, sizeof(data));
spin_unlock(&ctx->csa.register_lock);
spu_release_saved(ctx);
- return ret;
+ return simple_read_from_buffer(buf, len, pos, &data,
+ count * sizeof(u32));
}
static const struct file_operations spufs_wbox_info_fops = {
@@ -2084,50 +2062,53 @@ static const struct file_operations spufs_wbox_info_fops = {
.llseek = generic_file_llseek,
};
-static ssize_t __spufs_dma_info_read(struct spu_context *ctx,
- char __user *buf, size_t len, loff_t *pos)
+static void spufs_get_dma_info(struct spu_context *ctx,
+ struct spu_dma_info *info)
{
- struct spu_dma_info info;
- struct mfc_cq_sr *qp, *spuqp;
int i;
- info.dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW;
- info.dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0];
- info.dma_info_status = ctx->csa.spu_chnldata_RW[24];
- info.dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25];
- info.dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27];
+ info->dma_info_type = ctx->csa.priv2.spu_tag_status_query_RW;
+ info->dma_info_mask = ctx->csa.lscsa->tag_mask.slot[0];
+ info->dma_info_status = ctx->csa.spu_chnldata_RW[24];
+ info->dma_info_stall_and_notify = ctx->csa.spu_chnldata_RW[25];
+ info->dma_info_atomic_command_status = ctx->csa.spu_chnldata_RW[27];
for (i = 0; i < 16; i++) {
- qp = &info.dma_info_command_data[i];
- spuqp = &ctx->csa.priv2.spuq[i];
+ struct mfc_cq_sr *qp = &info->dma_info_command_data[i];
+ struct mfc_cq_sr *spuqp = &ctx->csa.priv2.spuq[i];
qp->mfc_cq_data0_RW = spuqp->mfc_cq_data0_RW;
qp->mfc_cq_data1_RW = spuqp->mfc_cq_data1_RW;
qp->mfc_cq_data2_RW = spuqp->mfc_cq_data2_RW;
qp->mfc_cq_data3_RW = spuqp->mfc_cq_data3_RW;
}
+}
- return simple_read_from_buffer(buf, len, pos, &info,
- sizeof info);
+static ssize_t spufs_dma_info_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
+{
+ struct spu_dma_info info;
+
+ spufs_get_dma_info(ctx, &info);
+ return spufs_dump_emit(cprm, &info, sizeof(info));
}
static ssize_t spufs_dma_info_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
+ struct spu_dma_info info;
int ret;
- if (!access_ok(buf, len))
- return -EFAULT;
-
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
spin_lock(&ctx->csa.register_lock);
- ret = __spufs_dma_info_read(ctx, buf, len, pos);
+ spufs_get_dma_info(ctx, &info);
spin_unlock(&ctx->csa.register_lock);
spu_release_saved(ctx);
- return ret;
+ return simple_read_from_buffer(buf, len, pos, &info,
+ sizeof(info));
}
static const struct file_operations spufs_dma_info_fops = {
@@ -2136,52 +2117,55 @@ static const struct file_operations spufs_dma_info_fops = {
.llseek = no_llseek,
};
-static ssize_t __spufs_proxydma_info_read(struct spu_context *ctx,
- char __user *buf, size_t len, loff_t *pos)
+static void spufs_get_proxydma_info(struct spu_context *ctx,
+ struct spu_proxydma_info *info)
{
- struct spu_proxydma_info info;
- struct mfc_cq_sr *qp, *puqp;
- int ret = sizeof info;
int i;
- if (len < ret)
- return -EINVAL;
-
- if (!access_ok(buf, len))
- return -EFAULT;
+ info->proxydma_info_type = ctx->csa.prob.dma_querytype_RW;
+ info->proxydma_info_mask = ctx->csa.prob.dma_querymask_RW;
+ info->proxydma_info_status = ctx->csa.prob.dma_tagstatus_R;
- info.proxydma_info_type = ctx->csa.prob.dma_querytype_RW;
- info.proxydma_info_mask = ctx->csa.prob.dma_querymask_RW;
- info.proxydma_info_status = ctx->csa.prob.dma_tagstatus_R;
for (i = 0; i < 8; i++) {
- qp = &info.proxydma_info_command_data[i];
- puqp = &ctx->csa.priv2.puq[i];
+ struct mfc_cq_sr *qp = &info->proxydma_info_command_data[i];
+ struct mfc_cq_sr *puqp = &ctx->csa.priv2.puq[i];
qp->mfc_cq_data0_RW = puqp->mfc_cq_data0_RW;
qp->mfc_cq_data1_RW = puqp->mfc_cq_data1_RW;
qp->mfc_cq_data2_RW = puqp->mfc_cq_data2_RW;
qp->mfc_cq_data3_RW = puqp->mfc_cq_data3_RW;
}
+}
- return simple_read_from_buffer(buf, len, pos, &info,
- sizeof info);
+static ssize_t spufs_proxydma_info_dump(struct spu_context *ctx,
+ struct coredump_params *cprm)
+{
+ struct spu_proxydma_info info;
+
+ spufs_get_proxydma_info(ctx, &info);
+ return spufs_dump_emit(cprm, &info, sizeof(info));
}
static ssize_t spufs_proxydma_info_read(struct file *file, char __user *buf,
size_t len, loff_t *pos)
{
struct spu_context *ctx = file->private_data;
+ struct spu_proxydma_info info;
int ret;
+ if (len < sizeof(info))
+ return -EINVAL;
+
ret = spu_acquire_saved(ctx);
if (ret)
return ret;
spin_lock(&ctx->csa.register_lock);
- ret = __spufs_proxydma_info_read(ctx, buf, len, pos);
+ spufs_get_proxydma_info(ctx, &info);
spin_unlock(&ctx->csa.register_lock);
spu_release_saved(ctx);
- return ret;
+ return simple_read_from_buffer(buf, len, pos, &info,
+ sizeof(info));
}
static const struct file_operations spufs_proxydma_info_fops = {
@@ -2625,23 +2609,23 @@ const struct spufs_tree_descr spufs_dir_debug_contents[] = {
};
const struct spufs_coredump_reader spufs_coredump_read[] = {
- { "regs", __spufs_regs_read, NULL, sizeof(struct spu_reg128[128])},
- { "fpcr", __spufs_fpcr_read, NULL, sizeof(struct spu_reg128) },
+ { "regs", spufs_regs_dump, NULL, sizeof(struct spu_reg128[128])},
+ { "fpcr", spufs_fpcr_dump, NULL, sizeof(struct spu_reg128) },
{ "lslr", NULL, spufs_lslr_get, 19 },
{ "decr", NULL, spufs_decr_get, 19 },
{ "decr_status", NULL, spufs_decr_status_get, 19 },
- { "mem", __spufs_mem_read, NULL, LS_SIZE, },
- { "signal1", __spufs_signal1_read, NULL, sizeof(u32) },
+ { "mem", spufs_mem_dump, NULL, LS_SIZE, },
+ { "signal1", spufs_signal1_dump, NULL, sizeof(u32) },
{ "signal1_type", NULL, spufs_signal1_type_get, 19 },
- { "signal2", __spufs_signal2_read, NULL, sizeof(u32) },
+ { "signal2", spufs_signal2_dump, NULL, sizeof(u32) },
{ "signal2_type", NULL, spufs_signal2_type_get, 19 },
{ "event_mask", NULL, spufs_event_mask_get, 19 },
{ "event_status", NULL, spufs_event_status_get, 19 },
- { "mbox_info", __spufs_mbox_info_read, NULL, sizeof(u32) },
- { "ibox_info", __spufs_ibox_info_read, NULL, sizeof(u32) },
- { "wbox_info", __spufs_wbox_info_read, NULL, 4 * sizeof(u32)},
- { "dma_info", __spufs_dma_info_read, NULL, sizeof(struct spu_dma_info)},
- { "proxydma_info", __spufs_proxydma_info_read,
+ { "mbox_info", spufs_mbox_info_dump, NULL, sizeof(u32) },
+ { "ibox_info", spufs_ibox_info_dump, NULL, sizeof(u32) },
+ { "wbox_info", spufs_wbox_info_dump, NULL, 4 * sizeof(u32)},
+ { "dma_info", spufs_dma_info_dump, NULL, sizeof(struct spu_dma_info)},
+ { "proxydma_info", spufs_proxydma_info_dump,
NULL, sizeof(struct spu_proxydma_info)},
{ "object-id", NULL, spufs_object_id_get, 19 },
{ "npc", NULL, spufs_npc_get, 19 },
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index 413c89afe112..1ba4d884febf 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -337,8 +337,7 @@ void spufs_dma_callback(struct spu *spu, int type);
extern struct spu_coredump_calls spufs_coredump_calls;
struct spufs_coredump_reader {
char *name;
- ssize_t (*read)(struct spu_context *ctx,
- char __user *buffer, size_t size, loff_t *pos);
+ ssize_t (*dump)(struct spu_context *ctx, struct coredump_params *cprm);
u64 (*get)(struct spu_context *ctx);
size_t size;
};
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index 13e251699346..b2ba3e95bda7 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -167,7 +167,6 @@ static void pnv_smp_cpu_kill_self(void)
/* Standard hot unplug procedure */
idle_task_exit();
- current->active_mm = NULL; /* for sanity */
cpu = smp_processor_id();
DBG("CPU%d offline\n", cpu);
generic_set_cpu_dead(cpu);
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 62f7bfeb709e..68418201734a 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -16,6 +16,7 @@ config RISCV
select OF_EARLY_FLATTREE
select OF_IRQ
select ARCH_HAS_BINFMT_FLAT
+ select ARCH_HAS_DEBUG_WX
select ARCH_WANT_FRAME_POINTERS
select CLONE_BACKWARDS
select COMMON_CLK
@@ -32,7 +33,6 @@ config RISCV
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ASM_MODVERSIONS
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_CONTIGUOUS if MMU
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_PERF_EVENTS
@@ -54,13 +54,13 @@ config RISCV
select GENERIC_ARCH_TOPOLOGY if SMP
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_MMIOWB
- select ARCH_HAS_DEBUG_VIRTUAL
+ select ARCH_HAS_DEBUG_VIRTUAL if MMU
select HAVE_EBPF_JIT if MMU
select EDAC_SUPPORT
select ARCH_HAS_GIGANTIC_PAGE
select ARCH_HAS_SET_DIRECT_MAP
select ARCH_HAS_SET_MEMORY
- select ARCH_HAS_STRICT_KERNEL_RWX
+ select ARCH_HAS_STRICT_KERNEL_RWX if MMU
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
select SPARSEMEM_STATIC if 32BIT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
@@ -136,6 +136,7 @@ config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y
config SYS_SUPPORTS_HUGETLBFS
+ depends on MMU
def_bool y
config STACKTRACE_SUPPORT
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 216286db81c9..d646332e44f1 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -11,14 +11,15 @@ config SOC_SIFIVE
This enables support for SiFive SoC platform hardware.
config SOC_VIRT
- bool "QEMU Virt Machine"
- select POWER_RESET_SYSCON
- select POWER_RESET_SYSCON_POWEROFF
- select GOLDFISH
- select RTC_DRV_GOLDFISH
- select SIFIVE_PLIC
- help
- This enables support for QEMU Virt Machine.
+ bool "QEMU Virt Machine"
+ select POWER_RESET
+ select POWER_RESET_SYSCON
+ select POWER_RESET_SYSCON_POWEROFF
+ select GOLDFISH
+ select RTC_DRV_GOLDFISH if RTC_CLASS
+ select SIFIVE_PLIC
+ help
+ This enables support for QEMU Virt Machine.
config SOC_KENDRYTE
bool "Kendryte K210 SoC"
diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 8e18d2c64399..cec462e198ce 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -51,13 +51,10 @@
#define CAUSE_IRQ_FLAG (_AC(1, UL) << (__riscv_xlen - 1))
/* Interrupt causes (minus the high bit) */
-#define IRQ_U_SOFT 0
#define IRQ_S_SOFT 1
#define IRQ_M_SOFT 3
-#define IRQ_U_TIMER 4
#define IRQ_S_TIMER 5
#define IRQ_M_TIMER 7
-#define IRQ_U_EXT 8
#define IRQ_S_EXT 9
#define IRQ_M_EXT 11
diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h
index 728a5db66597..a5c2ca1d1cd8 100644
--- a/arch/riscv/include/asm/hugetlb.h
+++ b/arch/riscv/include/asm/hugetlb.h
@@ -5,14 +5,4 @@
#include <asm-generic/hugetlb.h>
#include <asm/page.h>
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#endif /* _ASM_RISCV_HUGETLB_H */
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index 1bb0cd04aec3..5ce50468aff1 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -8,6 +8,7 @@
#ifndef _ASM_RISCV_HWCAP_H
#define _ASM_RISCV_HWCAP_H
+#include <linux/bits.h>
#include <uapi/asm/hwcap.h>
#ifndef __ASSEMBLY__
@@ -22,6 +23,27 @@ enum {
};
extern unsigned long elf_hwcap;
+
+#define RISCV_ISA_EXT_a ('a' - 'a')
+#define RISCV_ISA_EXT_c ('c' - 'a')
+#define RISCV_ISA_EXT_d ('d' - 'a')
+#define RISCV_ISA_EXT_f ('f' - 'a')
+#define RISCV_ISA_EXT_h ('h' - 'a')
+#define RISCV_ISA_EXT_i ('i' - 'a')
+#define RISCV_ISA_EXT_m ('m' - 'a')
+#define RISCV_ISA_EXT_s ('s' - 'a')
+#define RISCV_ISA_EXT_u ('u' - 'a')
+
+#define RISCV_ISA_EXT_MAX 64
+
+unsigned long riscv_isa_extension_base(const unsigned long *isa_bitmap);
+
+#define riscv_isa_extension_mask(ext) BIT_MASK(RISCV_ISA_EXT_##ext)
+
+bool __riscv_isa_extension_available(const unsigned long *isa_bitmap, int bit);
+#define riscv_isa_extension_available(isa_bitmap, ext) \
+ __riscv_isa_extension_available(isa_bitmap, RISCV_ISA_EXT_##ext)
+
#endif
#endif /* _ASM_RISCV_HWCAP_H */
diff --git a/arch/riscv/include/asm/mmio.h b/arch/riscv/include/asm/mmio.h
index a2c809df2733..56053c9838b2 100644
--- a/arch/riscv/include/asm/mmio.h
+++ b/arch/riscv/include/asm/mmio.h
@@ -16,6 +16,8 @@
#ifndef CONFIG_MMU
#define pgprot_noncached(x) (x)
+#define pgprot_writecombine(x) (x)
+#define pgprot_device(x) (x)
#endif /* CONFIG_MMU */
/* Generic IO read/write. These perform native-endian accesses. */
diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h
index bb4091ff4a21..0b2333e71fdc 100644
--- a/arch/riscv/include/asm/mmiowb.h
+++ b/arch/riscv/include/asm/mmiowb.h
@@ -9,6 +9,7 @@
*/
#define mmiowb() __asm__ __volatile__ ("fence o,w" : : : "memory");
+#include <linux/smp.h>
#include <asm-generic/mmiowb.h>
#endif /* _ASM_RISCV_MMIOWB_H */
diff --git a/arch/riscv/include/asm/module.h b/arch/riscv/include/asm/module.h
index 46202dad365d..76aa96a9fc08 100644
--- a/arch/riscv/include/asm/module.h
+++ b/arch/riscv/include/asm/module.h
@@ -6,8 +6,6 @@
#include <asm-generic/module.h>
-#define MODULE_ARCH_VERMAGIC "riscv"
-
struct module;
unsigned long module_emit_got_entry(struct module *mod, unsigned long val);
unsigned long module_emit_plt_entry(struct module *mod, unsigned long val);
diff --git a/arch/riscv/include/asm/perf_event.h b/arch/riscv/include/asm/perf_event.h
index 0234048b12bc..062efd3a1d5d 100644
--- a/arch/riscv/include/asm/perf_event.h
+++ b/arch/riscv/include/asm/perf_event.h
@@ -12,19 +12,14 @@
#include <linux/ptrace.h>
#include <linux/interrupt.h>
+#ifdef CONFIG_RISCV_BASE_PMU
#define RISCV_BASE_COUNTERS 2
/*
* The RISCV_MAX_COUNTERS parameter should be specified.
*/
-#ifdef CONFIG_RISCV_BASE_PMU
#define RISCV_MAX_COUNTERS 2
-#endif
-
-#ifndef RISCV_MAX_COUNTERS
-#error "Please provide a valid RISCV_MAX_COUNTERS for the PMU."
-#endif
/*
* These are the indexes of bits in counteren register *minus* 1,
@@ -82,6 +77,7 @@ struct riscv_pmu {
int irq;
};
+#endif
#ifdef CONFIG_PERF_EVENTS
#define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs
#endif
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 9c188ad2e52d..d50706ea1c94 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -470,11 +470,14 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma,
#else /* CONFIG_MMU */
+#define PAGE_SHARED __pgprot(0)
#define PAGE_KERNEL __pgprot(0)
#define swapper_pg_dir NULL
+#define TASK_SIZE 0xffffffffUL
#define VMALLOC_START 0
+#define VMALLOC_END TASK_SIZE
-#define TASK_SIZE 0xffffffffUL
+static inline void __kernel_map_pages(struct page *page, int numpages, int enable) {}
#endif /* !CONFIG_MMU */
diff --git a/arch/riscv/include/asm/ptdump.h b/arch/riscv/include/asm/ptdump.h
index e29af7191909..3c9ea6dd5af7 100644
--- a/arch/riscv/include/asm/ptdump.h
+++ b/arch/riscv/include/asm/ptdump.h
@@ -8,4 +8,15 @@
void ptdump_check_wx(void);
+#ifdef CONFIG_DEBUG_WX
+static inline void debug_checkwx(void)
+{
+ ptdump_check_wx();
+}
+#else
+static inline void debug_checkwx(void)
+{
+}
+#endif
+
#endif /* _ASM_RISCV_PTDUMP_H */
diff --git a/arch/riscv/include/asm/set_memory.h b/arch/riscv/include/asm/set_memory.h
index c38df4771c09..4c5bae7ca01c 100644
--- a/arch/riscv/include/asm/set_memory.h
+++ b/arch/riscv/include/asm/set_memory.h
@@ -22,14 +22,6 @@ static inline int set_memory_x(unsigned long addr, int numpages) { return 0; }
static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
#endif
-#ifdef CONFIG_STRICT_KERNEL_RWX
-void set_kernel_text_ro(void);
-void set_kernel_text_rw(void);
-#else
-static inline void set_kernel_text_ro(void) { }
-static inline void set_kernel_text_rw(void) { }
-#endif
-
int set_direct_map_invalid_noflush(struct page *page);
int set_direct_map_default_noflush(struct page *page);
diff --git a/arch/riscv/include/asm/vermagic.h b/arch/riscv/include/asm/vermagic.h
new file mode 100644
index 000000000000..7b9441a57466
--- /dev/null
+++ b/arch/riscv/include/asm/vermagic.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2017 Andes Technology Corporation */
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#define MODULE_ARCH_VERMAGIC "riscv"
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index 86c83081044f..d8bbd3207100 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -43,7 +43,7 @@ obj-$(CONFIG_MODULE_SECTIONS) += module-sections.o
obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o
-obj-$(CONFIG_PERF_EVENTS) += perf_event.o
+obj-$(CONFIG_RISCV_BASE_PMU) += perf_event.o
obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o
obj-$(CONFIG_RISCV_SBI) += sbi.o
diff --git a/arch/riscv/kernel/cpu_ops.c b/arch/riscv/kernel/cpu_ops.c
index c4c33bf02369..0ec22354018c 100644
--- a/arch/riscv/kernel/cpu_ops.c
+++ b/arch/riscv/kernel/cpu_ops.c
@@ -15,8 +15,8 @@
const struct cpu_operations *cpu_ops[NR_CPUS] __ro_after_init;
-void *__cpu_up_stack_pointer[NR_CPUS];
-void *__cpu_up_task_pointer[NR_CPUS];
+void *__cpu_up_stack_pointer[NR_CPUS] __section(.data);
+void *__cpu_up_task_pointer[NR_CPUS] __section(.data);
extern const struct cpu_operations cpu_ops_sbi;
extern const struct cpu_operations cpu_ops_spinwait;
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index a5ad00043104..ac202f44a670 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -6,6 +6,7 @@
* Copyright (C) 2017 SiFive
*/
+#include <linux/bitmap.h>
#include <linux/of.h>
#include <asm/processor.h>
#include <asm/hwcap.h>
@@ -13,15 +14,57 @@
#include <asm/switch_to.h>
unsigned long elf_hwcap __read_mostly;
+
+/* Host ISA bitmap */
+static DECLARE_BITMAP(riscv_isa, RISCV_ISA_EXT_MAX) __read_mostly;
+
#ifdef CONFIG_FPU
bool has_fpu __read_mostly;
#endif
+/**
+ * riscv_isa_extension_base() - Get base extension word
+ *
+ * @isa_bitmap: ISA bitmap to use
+ * Return: base extension word as unsigned long value
+ *
+ * NOTE: If isa_bitmap is NULL then Host ISA bitmap will be used.
+ */
+unsigned long riscv_isa_extension_base(const unsigned long *isa_bitmap)
+{
+ if (!isa_bitmap)
+ return riscv_isa[0];
+ return isa_bitmap[0];
+}
+EXPORT_SYMBOL_GPL(riscv_isa_extension_base);
+
+/**
+ * __riscv_isa_extension_available() - Check whether given extension
+ * is available or not
+ *
+ * @isa_bitmap: ISA bitmap to use
+ * @bit: bit position of the desired extension
+ * Return: true or false
+ *
+ * NOTE: If isa_bitmap is NULL then Host ISA bitmap will be used.
+ */
+bool __riscv_isa_extension_available(const unsigned long *isa_bitmap, int bit)
+{
+ const unsigned long *bmap = (isa_bitmap) ? isa_bitmap : riscv_isa;
+
+ if (bit >= RISCV_ISA_EXT_MAX)
+ return false;
+
+ return test_bit(bit, bmap) ? true : false;
+}
+EXPORT_SYMBOL_GPL(__riscv_isa_extension_available);
+
void riscv_fill_hwcap(void)
{
struct device_node *node;
const char *isa;
- size_t i;
+ char print_str[BITS_PER_LONG + 1];
+ size_t i, j, isa_len;
static unsigned long isa2hwcap[256] = {0};
isa2hwcap['i'] = isa2hwcap['I'] = COMPAT_HWCAP_ISA_I;
@@ -33,8 +76,11 @@ void riscv_fill_hwcap(void)
elf_hwcap = 0;
+ bitmap_zero(riscv_isa, RISCV_ISA_EXT_MAX);
+
for_each_of_cpu_node(node) {
unsigned long this_hwcap = 0;
+ unsigned long this_isa = 0;
if (riscv_of_processor_hartid(node) < 0)
continue;
@@ -44,8 +90,24 @@ void riscv_fill_hwcap(void)
continue;
}
- for (i = 0; i < strlen(isa); ++i)
+ i = 0;
+ isa_len = strlen(isa);
+#if IS_ENABLED(CONFIG_32BIT)
+ if (!strncmp(isa, "rv32", 4))
+ i += 4;
+#elif IS_ENABLED(CONFIG_64BIT)
+ if (!strncmp(isa, "rv64", 4))
+ i += 4;
+#endif
+ for (; i < isa_len; ++i) {
this_hwcap |= isa2hwcap[(unsigned char)(isa[i])];
+ /*
+ * TODO: X, Y and Z extension parsing for Host ISA
+ * bitmap will be added in-future.
+ */
+ if ('a' <= isa[i] && isa[i] < 'x')
+ this_isa |= (1UL << (isa[i] - 'a'));
+ }
/*
* All "okay" hart should have same isa. Set HWCAP based on
@@ -56,6 +118,11 @@ void riscv_fill_hwcap(void)
elf_hwcap &= this_hwcap;
else
elf_hwcap = this_hwcap;
+
+ if (riscv_isa[0])
+ riscv_isa[0] &= this_isa;
+ else
+ riscv_isa[0] = this_isa;
}
/* We don't support systems with F but without D, so mask those out
@@ -65,7 +132,17 @@ void riscv_fill_hwcap(void)
elf_hwcap &= ~COMPAT_HWCAP_ISA_F;
}
- pr_info("elf_hwcap is 0x%lx\n", elf_hwcap);
+ memset(print_str, 0, sizeof(print_str));
+ for (i = 0, j = 0; i < BITS_PER_LONG; i++)
+ if (riscv_isa[0] & BIT_MASK(i))
+ print_str[j++] = (char)('a' + i);
+ pr_info("riscv: ISA extensions %s\n", print_str);
+
+ memset(print_str, 0, sizeof(print_str));
+ for (i = 0, j = 0; i < BITS_PER_LONG; i++)
+ if (elf_hwcap & BIT_MASK(i))
+ print_str[j++] = (char)('a' + i);
+ pr_info("riscv: ELF capabilities %s\n", print_str);
#ifdef CONFIG_FPU
if (elf_hwcap & (COMPAT_HWCAP_ISA_F | COMPAT_HWCAP_ISA_D))
diff --git a/arch/riscv/kernel/perf_event.c b/arch/riscv/kernel/perf_event.c
index 91626d9ae5f2..c835f0362d94 100644
--- a/arch/riscv/kernel/perf_event.c
+++ b/arch/riscv/kernel/perf_event.c
@@ -147,7 +147,7 @@ static int riscv_map_hw_event(u64 config)
return riscv_pmu->hw_events[config];
}
-int riscv_map_cache_decode(u64 config, unsigned int *type,
+static int riscv_map_cache_decode(u64 config, unsigned int *type,
unsigned int *op, unsigned int *result)
{
return -ENOENT;
@@ -342,7 +342,7 @@ static void riscv_pmu_del(struct perf_event *event, int flags)
static DEFINE_MUTEX(pmc_reserve_mutex);
-irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
+static irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
{
return IRQ_NONE;
}
@@ -361,7 +361,7 @@ static int reserve_pmc_hardware(void)
return err;
}
-void release_pmc_hardware(void)
+static void release_pmc_hardware(void)
{
mutex_lock(&pmc_reserve_mutex);
if (riscv_pmu->irq >= 0)
@@ -464,7 +464,7 @@ static const struct of_device_id riscv_pmu_of_ids[] = {
{ /* sentinel value */ }
};
-int __init init_hw_perf_events(void)
+static int __init init_hw_perf_events(void)
{
struct device_node *node = of_find_node_by_type(NULL, "pmu");
const struct of_device_id *of_id;
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 610c11e91606..824d117cf202 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -22,7 +22,7 @@
#include <asm/switch_to.h>
#include <asm/thread_info.h>
-unsigned long gp_in_global __asm__("gp");
+register unsigned long gp_in_global __asm__("gp");
extern asmlinkage void ret_from_fork(void);
extern asmlinkage void ret_from_kernel_thread(void);
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 7c24da59bccf..f383ef5672b2 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -102,7 +102,7 @@ void sbi_shutdown(void)
{
sbi_ecall(SBI_EXT_0_1_SHUTDOWN, 0, 0, 0, 0, 0, 0, 0);
}
-EXPORT_SYMBOL(sbi_set_timer);
+EXPORT_SYMBOL(sbi_shutdown);
/**
* sbi_clear_ipi() - Clear any pending IPIs for the calling hart.
@@ -113,7 +113,7 @@ void sbi_clear_ipi(void)
{
sbi_ecall(SBI_EXT_0_1_CLEAR_IPI, 0, 0, 0, 0, 0, 0, 0);
}
-EXPORT_SYMBOL(sbi_shutdown);
+EXPORT_SYMBOL(sbi_clear_ipi);
/**
* sbi_set_timer_v01() - Program the timer for next timer event.
@@ -167,6 +167,11 @@ static int __sbi_rfence_v01(int fid, const unsigned long *hart_mask,
return result;
}
+
+static void sbi_set_power_off(void)
+{
+ pm_power_off = sbi_shutdown;
+}
#else
static void __sbi_set_timer_v01(uint64_t stime_value)
{
@@ -191,6 +196,8 @@ static int __sbi_rfence_v01(int fid, const unsigned long *hart_mask,
return 0;
}
+
+static void sbi_set_power_off(void) {}
#endif /* CONFIG_RISCV_SBI_V01 */
static void __sbi_set_timer_v02(uint64_t stime_value)
@@ -540,16 +547,12 @@ static inline long sbi_get_firmware_version(void)
return __sbi_base_ecall(SBI_EXT_BASE_GET_IMP_VERSION);
}
-static void sbi_power_off(void)
-{
- sbi_shutdown();
-}
int __init sbi_init(void)
{
int ret;
- pm_power_off = sbi_power_off;
+ sbi_set_power_off();
ret = sbi_get_spec_version();
if (ret > 0)
sbi_spec_version = ret;
diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
index e0a6293093f1..a65a8fa0c22d 100644
--- a/arch/riscv/kernel/smp.c
+++ b/arch/riscv/kernel/smp.c
@@ -10,6 +10,7 @@
#include <linux/cpu.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <linux/profile.h>
#include <linux/smp.h>
#include <linux/sched.h>
@@ -63,6 +64,7 @@ void riscv_cpuid_to_hartid_mask(const struct cpumask *in, struct cpumask *out)
for_each_cpu(cpu, in)
cpumask_set_cpu(cpuid_to_hartid_map(cpu), out);
}
+EXPORT_SYMBOL_GPL(riscv_cpuid_to_hartid_mask);
bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
{
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 02087fe539c6..837b9b38f825 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -12,6 +12,8 @@
#include <linux/stacktrace.h>
#include <linux/ftrace.h>
+register unsigned long sp_in_global __asm__("sp");
+
#ifdef CONFIG_FRAME_POINTER
struct stackframe {
@@ -19,8 +21,6 @@ struct stackframe {
unsigned long ra;
};
-register unsigned long sp_in_global __asm__("sp");
-
void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
bool (*fn)(unsigned long, void *), void *arg)
{
@@ -65,7 +65,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
#else /* !CONFIG_FRAME_POINTER */
-static void notrace walk_stackframe(struct task_struct *task,
+void notrace walk_stackframe(struct task_struct *task,
struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
{
unsigned long sp, pc;
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index 33b16f4212f7..4c8b2a4a6a70 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -12,7 +12,7 @@ vdso-syms += getcpu
vdso-syms += flush_icache
# Files to link into the vdso
-obj-vdso = $(patsubst %, %.o, $(vdso-syms))
+obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o
# Build rules
targets := $(obj-vdso) vdso.so vdso.so.dbg vdso.lds vdso-dummy.o
@@ -33,15 +33,15 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
$(call if_changed,vdsold)
# We also create a special relocatable object that should mirror the symbol
-# table and layout of the linked DSO. With ld -R we can then refer to
-# these symbols in the kernel code rather than hand-coded addresses.
+# table and layout of the linked DSO. With ld --just-symbols we can then
+# refer to these symbols in the kernel code rather than hand-coded addresses.
SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
-Wl,--build-id -Wl,--hash-style=both
$(obj)/vdso-dummy.o: $(src)/vdso.lds $(obj)/rt_sigreturn.o FORCE
$(call if_changed,vdsold)
-LDFLAGS_vdso-syms.o := -r -R
+LDFLAGS_vdso-syms.o := -r --just-symbols
$(obj)/vdso-syms.o: $(obj)/vdso-dummy.o FORCE
$(call if_changed,ld)
diff --git a/arch/riscv/kernel/vdso/note.S b/arch/riscv/kernel/vdso/note.S
new file mode 100644
index 000000000000..2a956c942211
--- /dev/null
+++ b/arch/riscv/kernel/vdso/note.S
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
+ * Here we can supply some information useful to userland.
+ */
+
+#include <linux/elfnote.h>
+#include <linux/version.h>
+
+ELFNOTE_START(Linux, 0, "a")
+ .long LINUX_VERSION_CODE
+ELFNOTE_END
diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c
index a6189ed36c5f..932dadfdca54 100644
--- a/arch/riscv/mm/hugetlbpage.c
+++ b/arch/riscv/mm/hugetlbpage.c
@@ -12,29 +12,21 @@ int pmd_huge(pmd_t pmd)
return pmd_leaf(pmd);
}
-static __init int setup_hugepagesz(char *opt)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long ps = memparse(opt, &opt);
-
- if (ps == HPAGE_SIZE) {
- hugetlb_add_hstate(HPAGE_SHIFT - PAGE_SHIFT);
- } else if (IS_ENABLED(CONFIG_64BIT) && ps == PUD_SIZE) {
- hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
- } else {
- hugetlb_bad_size();
- pr_err("hugepagesz: Unsupported page size %lu M\n", ps >> 20);
- return 0;
- }
-
- return 1;
+ if (size == HPAGE_SIZE)
+ return true;
+ else if (IS_ENABLED(CONFIG_64BIT) && size == PUD_SIZE)
+ return true;
+ else
+ return false;
}
-__setup("hugepagesz=", setup_hugepagesz);
#ifdef CONFIG_CONTIG_ALLOC
static __init int gigantic_pages_init(void)
{
/* With CONTIG_ALLOC, we can allocate gigantic pages at runtime */
- if (IS_ENABLED(CONFIG_64BIT) && !size_to_hstate(1UL << PUD_SHIFT))
+ if (IS_ENABLED(CONFIG_64BIT))
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
return 0;
}
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index b55be44ff9bd..939159b13a13 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -19,6 +19,7 @@
#include <asm/sections.h>
#include <asm/pgtable.h>
#include <asm/io.h>
+#include <asm/ptdump.h>
#include "../kernel/head.h"
@@ -39,7 +40,7 @@ static void __init zone_sizes_init(void)
#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
static void setup_zero_page(void)
@@ -47,7 +48,7 @@ static void setup_zero_page(void)
memset((void *)empty_zero_page, 0, PAGE_SIZE);
}
-#ifdef CONFIG_DEBUG_VM
+#if defined(CONFIG_MMU) && defined(CONFIG_DEBUG_VM)
static inline void print_mlk(char *name, unsigned long b, unsigned long t)
{
pr_notice("%12s : 0x%08lx - 0x%08lx (%4ld kB)\n", name, b, t,
@@ -150,7 +151,8 @@ void __init setup_bootmem(void)
memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);
set_max_mapnr(PFN_DOWN(mem_size));
- max_low_pfn = PFN_DOWN(memblock_end_of_DRAM());
+ max_pfn = PFN_DOWN(memblock_end_of_DRAM());
+ max_low_pfn = max_pfn;
#ifdef CONFIG_BLK_DEV_INITRD
setup_initrd();
@@ -501,22 +503,6 @@ static inline void setup_vm_final(void)
#endif /* CONFIG_MMU */
#ifdef CONFIG_STRICT_KERNEL_RWX
-void set_kernel_text_rw(void)
-{
- unsigned long text_start = (unsigned long)_text;
- unsigned long text_end = (unsigned long)_etext;
-
- set_memory_rw(text_start, (text_end - text_start) >> PAGE_SHIFT);
-}
-
-void set_kernel_text_ro(void)
-{
- unsigned long text_start = (unsigned long)_text;
- unsigned long text_end = (unsigned long)_etext;
-
- set_memory_ro(text_start, (text_end - text_start) >> PAGE_SHIFT);
-}
-
void mark_rodata_ro(void)
{
unsigned long text_start = (unsigned long)_text;
@@ -529,6 +515,8 @@ void mark_rodata_ro(void)
set_memory_ro(rodata_start, (data_start - rodata_start) >> PAGE_SHIFT);
set_memory_nx(rodata_start, (data_start - rodata_start) >> PAGE_SHIFT);
set_memory_nx(data_start, (max_low - data_start) >> PAGE_SHIFT);
+
+ debug_checkwx();
}
#endif
diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
index 7eab76a93106..070505d79b06 100644
--- a/arch/riscv/mm/ptdump.c
+++ b/arch/riscv/mm/ptdump.c
@@ -204,7 +204,7 @@ static void note_prot_wx(struct pg_state *st, unsigned long addr)
}
static void note_page(struct ptdump_state *pt_st, unsigned long addr,
- int level, unsigned long val)
+ int level, u64 val)
{
struct pg_state *st = container_of(pt_st, struct pg_state, ptdump);
u64 pa = PFN_PHYS(pte_pfn(__pte(val)));
diff --git a/arch/riscv/net/bpf_jit_comp32.c b/arch/riscv/net/bpf_jit_comp32.c
index 302934177760..b198eaa74456 100644
--- a/arch/riscv/net/bpf_jit_comp32.c
+++ b/arch/riscv/net/bpf_jit_comp32.c
@@ -13,8 +13,35 @@
#include <linux/filter.h>
#include "bpf_jit.h"
+/*
+ * Stack layout during BPF program execution:
+ *
+ * high
+ * RV32 fp => +----------+
+ * | saved ra |
+ * | saved fp | RV32 callee-saved registers
+ * | ... |
+ * +----------+ <= (fp - 4 * NR_SAVED_REGISTERS)
+ * | hi(R6) |
+ * | lo(R6) |
+ * | hi(R7) | JIT scratch space for BPF registers
+ * | lo(R7) |
+ * | ... |
+ * BPF_REG_FP => +----------+ <= (fp - 4 * NR_SAVED_REGISTERS
+ * | | - 4 * BPF_JIT_SCRATCH_REGS)
+ * | |
+ * | ... | BPF program stack
+ * | |
+ * RV32 sp => +----------+
+ * | |
+ * | ... | Function call stack
+ * | |
+ * +----------+
+ * low
+ */
+
enum {
- /* Stack layout - these are offsets from (top of stack - 4). */
+ /* Stack layout - these are offsets from top of JIT scratch space. */
BPF_R6_HI,
BPF_R6_LO,
BPF_R7_HI,
@@ -29,7 +56,11 @@ enum {
BPF_JIT_SCRATCH_REGS,
};
-#define STACK_OFFSET(k) (-4 - ((k) * 4))
+/* Number of callee-saved registers stored to stack: ra, fp, s1--s7. */
+#define NR_SAVED_REGISTERS 9
+
+/* Offset from fp for BPF registers stored on stack. */
+#define STACK_OFFSET(k) (-4 - (4 * NR_SAVED_REGISTERS) - (4 * (k)))
#define TMP_REG_1 (MAX_BPF_JIT_REG + 0)
#define TMP_REG_2 (MAX_BPF_JIT_REG + 1)
@@ -111,11 +142,9 @@ static void emit_imm64(const s8 *rd, s32 imm_hi, s32 imm_lo,
static void __build_epilogue(bool is_tail_call, struct rv_jit_context *ctx)
{
- int stack_adjust = ctx->stack_size, store_offset = stack_adjust - 4;
+ int stack_adjust = ctx->stack_size;
const s8 *r0 = bpf2rv32[BPF_REG_0];
- store_offset -= 4 * BPF_JIT_SCRATCH_REGS;
-
/* Set return value if not tail call. */
if (!is_tail_call) {
emit(rv_addi(RV_REG_A0, lo(r0), 0), ctx);
@@ -123,15 +152,15 @@ static void __build_epilogue(bool is_tail_call, struct rv_jit_context *ctx)
}
/* Restore callee-saved registers. */
- emit(rv_lw(RV_REG_RA, store_offset - 0, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_FP, store_offset - 4, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S1, store_offset - 8, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S2, store_offset - 12, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S3, store_offset - 16, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S4, store_offset - 20, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S5, store_offset - 24, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S6, store_offset - 28, RV_REG_SP), ctx);
- emit(rv_lw(RV_REG_S7, store_offset - 32, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_RA, stack_adjust - 4, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_FP, stack_adjust - 8, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S1, stack_adjust - 12, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S2, stack_adjust - 16, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S3, stack_adjust - 20, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S4, stack_adjust - 24, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S5, stack_adjust - 28, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S6, stack_adjust - 32, RV_REG_SP), ctx);
+ emit(rv_lw(RV_REG_S7, stack_adjust - 36, RV_REG_SP), ctx);
emit(rv_addi(RV_REG_SP, RV_REG_SP, stack_adjust), ctx);
@@ -770,12 +799,13 @@ static int emit_bpf_tail_call(int insn, struct rv_jit_context *ctx)
emit_bcc(BPF_JGE, lo(idx_reg), RV_REG_T1, off, ctx);
/*
- * if ((temp_tcc = tcc - 1) < 0)
+ * temp_tcc = tcc - 1;
+ * if (tcc < 0)
* goto out;
*/
emit(rv_addi(RV_REG_T1, RV_REG_TCC, -1), ctx);
off = (tc_ninsn - (ctx->ninsns - start_insn)) << 2;
- emit_bcc(BPF_JSLT, RV_REG_T1, RV_REG_ZERO, off, ctx);
+ emit_bcc(BPF_JSLT, RV_REG_TCC, RV_REG_ZERO, off, ctx);
/*
* prog = array->ptrs[index];
@@ -1259,17 +1289,20 @@ notsupported:
void bpf_jit_build_prologue(struct rv_jit_context *ctx)
{
- /* Make space to save 9 registers: ra, fp, s1--s7. */
- int stack_adjust = 9 * sizeof(u32), store_offset, bpf_stack_adjust;
const s8 *fp = bpf2rv32[BPF_REG_FP];
const s8 *r1 = bpf2rv32[BPF_REG_1];
-
- bpf_stack_adjust = round_up(ctx->prog->aux->stack_depth, 16);
+ int stack_adjust = 0;
+ int bpf_stack_adjust =
+ round_up(ctx->prog->aux->stack_depth, STACK_ALIGN);
+
+ /* Make space for callee-saved registers. */
+ stack_adjust += NR_SAVED_REGISTERS * sizeof(u32);
+ /* Make space for BPF registers on stack. */
+ stack_adjust += BPF_JIT_SCRATCH_REGS * sizeof(u32);
+ /* Make space for BPF stack. */
stack_adjust += bpf_stack_adjust;
-
- store_offset = stack_adjust - 4;
-
- stack_adjust += 4 * BPF_JIT_SCRATCH_REGS;
+ /* Round up for stack alignment. */
+ stack_adjust = round_up(stack_adjust, STACK_ALIGN);
/*
* The first instruction sets the tail-call-counter (TCC) register.
@@ -1280,24 +1313,24 @@ void bpf_jit_build_prologue(struct rv_jit_context *ctx)
emit(rv_addi(RV_REG_SP, RV_REG_SP, -stack_adjust), ctx);
/* Save callee-save registers. */
- emit(rv_sw(RV_REG_SP, store_offset - 0, RV_REG_RA), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 4, RV_REG_FP), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 8, RV_REG_S1), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 12, RV_REG_S2), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 16, RV_REG_S3), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 20, RV_REG_S4), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 24, RV_REG_S5), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 28, RV_REG_S6), ctx);
- emit(rv_sw(RV_REG_SP, store_offset - 32, RV_REG_S7), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 4, RV_REG_RA), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 8, RV_REG_FP), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 12, RV_REG_S1), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 16, RV_REG_S2), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 20, RV_REG_S3), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 24, RV_REG_S4), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 28, RV_REG_S5), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 32, RV_REG_S6), ctx);
+ emit(rv_sw(RV_REG_SP, stack_adjust - 36, RV_REG_S7), ctx);
/* Set fp: used as the base address for stacked BPF registers. */
emit(rv_addi(RV_REG_FP, RV_REG_SP, stack_adjust), ctx);
- /* Set up BPF stack pointer. */
+ /* Set up BPF frame pointer. */
emit(rv_addi(lo(fp), RV_REG_SP, bpf_stack_adjust), ctx);
emit(rv_addi(hi(fp), RV_REG_ZERO, 0), ctx);
- /* Set up context pointer. */
+ /* Set up BPF context pointer. */
emit(rv_addi(lo(r1), RV_REG_A0, 0), ctx);
emit(rv_addi(hi(r1), RV_REG_ZERO, 0), ctx);
diff --git a/arch/riscv/net/bpf_jit_comp64.c b/arch/riscv/net/bpf_jit_comp64.c
index d208a9fd6c52..6cfd164cbe88 100644
--- a/arch/riscv/net/bpf_jit_comp64.c
+++ b/arch/riscv/net/bpf_jit_comp64.c
@@ -515,7 +515,7 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
case BPF_ALU | BPF_LSH | BPF_X:
case BPF_ALU64 | BPF_LSH | BPF_X:
emit(is64 ? rv_sll(rd, rd, rs) : rv_sllw(rd, rd, rs), ctx);
- if (!is64)
+ if (!is64 && !aux->verifier_zext)
emit_zext_32(rd, ctx);
break;
case BPF_ALU | BPF_RSH | BPF_X:
@@ -542,13 +542,21 @@ int bpf_jit_emit_insn(const struct bpf_insn *insn, struct rv_jit_context *ctx,
/* dst = BSWAP##imm(dst) */
case BPF_ALU | BPF_END | BPF_FROM_LE:
- {
- int shift = 64 - imm;
-
- emit(rv_slli(rd, rd, shift), ctx);
- emit(rv_srli(rd, rd, shift), ctx);
+ switch (imm) {
+ case 16:
+ emit(rv_slli(rd, rd, 48), ctx);
+ emit(rv_srli(rd, rd, 48), ctx);
+ break;
+ case 32:
+ if (!aux->verifier_zext)
+ emit_zext_32(rd, ctx);
+ break;
+ case 64:
+ /* Do nothing */
+ break;
+ }
break;
- }
+
case BPF_ALU | BPF_END | BPF_FROM_BE:
emit(rv_addi(RV_REG_T2, RV_REG_ZERO, 0), ctx);
@@ -692,19 +700,19 @@ out_be:
case BPF_ALU | BPF_LSH | BPF_K:
case BPF_ALU64 | BPF_LSH | BPF_K:
emit(is64 ? rv_slli(rd, rd, imm) : rv_slliw(rd, rd, imm), ctx);
- if (!is64)
+ if (!is64 && !aux->verifier_zext)
emit_zext_32(rd, ctx);
break;
case BPF_ALU | BPF_RSH | BPF_K:
case BPF_ALU64 | BPF_RSH | BPF_K:
emit(is64 ? rv_srli(rd, rd, imm) : rv_srliw(rd, rd, imm), ctx);
- if (!is64)
+ if (!is64 && !aux->verifier_zext)
emit_zext_32(rd, ctx);
break;
case BPF_ALU | BPF_ARSH | BPF_K:
case BPF_ALU64 | BPF_ARSH | BPF_K:
emit(is64 ? rv_srai(rd, rd, imm) : rv_sraiw(rd, rd, imm), ctx);
- if (!is64)
+ if (!is64 && !aux->verifier_zext)
emit_zext_32(rd, ctx);
break;
@@ -784,11 +792,15 @@ out_be:
case BPF_JMP32 | BPF_JSGE | BPF_K:
case BPF_JMP | BPF_JSLE | BPF_K:
case BPF_JMP32 | BPF_JSLE | BPF_K:
- case BPF_JMP | BPF_JSET | BPF_K:
- case BPF_JMP32 | BPF_JSET | BPF_K:
rvoff = rv_offset(i, off, ctx);
s = ctx->ninsns;
- emit_imm(RV_REG_T1, imm, ctx);
+ if (imm) {
+ emit_imm(RV_REG_T1, imm, ctx);
+ rs = RV_REG_T1;
+ } else {
+ /* If imm is 0, simply use zero register. */
+ rs = RV_REG_ZERO;
+ }
if (!is64) {
if (is_signed_bpf_cond(BPF_OP(code)))
emit_sext_32_rd(&rd, ctx);
@@ -799,16 +811,28 @@ out_be:
/* Adjust for extra insns */
rvoff -= (e - s) << 2;
+ emit_branch(BPF_OP(code), rd, rs, rvoff, ctx);
+ break;
- if (BPF_OP(code) == BPF_JSET) {
- /* Adjust for and */
- rvoff -= 4;
- emit(rv_and(RV_REG_T1, rd, RV_REG_T1), ctx);
- emit_branch(BPF_JNE, RV_REG_T1, RV_REG_ZERO, rvoff,
- ctx);
+ case BPF_JMP | BPF_JSET | BPF_K:
+ case BPF_JMP32 | BPF_JSET | BPF_K:
+ rvoff = rv_offset(i, off, ctx);
+ s = ctx->ninsns;
+ if (is_12b_int(imm)) {
+ emit(rv_andi(RV_REG_T1, rd, imm), ctx);
} else {
- emit_branch(BPF_OP(code), rd, RV_REG_T1, rvoff, ctx);
+ emit_imm(RV_REG_T1, imm, ctx);
+ emit(rv_and(RV_REG_T1, rd, RV_REG_T1), ctx);
}
+ /* For jset32, we should clear the upper 32 bits of t1, but
+ * sign-extension is sufficient here and saves one instruction,
+ * as t1 is used only in comparison against zero.
+ */
+ if (!is64 && imm < 0)
+ emit(rv_addiw(RV_REG_T1, RV_REG_T1, 0), ctx);
+ e = ctx->ninsns;
+ rvoff -= (e - s) << 2;
+ emit_branch(BPF_JNE, RV_REG_T1, RV_REG_ZERO, rvoff, ctx);
break;
/* function call */
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2167bce993ff..d6dc6933adc2 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -162,7 +162,6 @@ config S390
select HAVE_LIVEPATCH
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MEMBLOCK_PHYS_MAP
select MMU_GATHER_NO_GATHER
select HAVE_MOD_ARCH_SPECIFIC
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index aa738cad1338..d74a4c7d5df6 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -51,10 +51,9 @@ static struct platform_device *appldata_pdev;
*/
static const char appldata_proc_name[APPLDATA_PROC_NAME_LENGTH] = "appldata";
static int appldata_timer_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static int appldata_interval_handler(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static struct ctl_table_header *appldata_sysctl_header;
static struct ctl_table appldata_table[] = {
@@ -217,7 +216,7 @@ static void __appldata_vtimer_setup(int cmd)
*/
static int
appldata_timer_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int timer_active = appldata_timer_active;
int rc;
@@ -250,7 +249,7 @@ appldata_timer_handler(struct ctl_table *ctl, int write,
*/
static int
appldata_interval_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int interval = appldata_interval;
int rc;
@@ -280,7 +279,7 @@ appldata_interval_handler(struct ctl_table *ctl, int write,
*/
static int
appldata_generic_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct appldata_ops *ops = NULL, *tmp_ops;
struct list_head *lh;
diff --git a/arch/s390/boot/uv.c b/arch/s390/boot/uv.c
index 8fde561f1d07..f887a479cdc7 100644
--- a/arch/s390/boot/uv.c
+++ b/arch/s390/boot/uv.c
@@ -7,9 +7,7 @@
#ifdef CONFIG_PROTECTED_VIRTUALIZATION_GUEST
int __bootdata_preserved(prot_virt_guest);
#endif
-#if IS_ENABLED(CONFIG_KVM)
struct uv_info __bootdata_preserved(uv_info);
-#endif
void uv_query_info(void)
{
diff --git a/arch/s390/crypto/sha1_s390.c b/arch/s390/crypto/sha1_s390.c
index 7c15542d3685..698b1e6d3c14 100644
--- a/arch/s390/crypto/sha1_s390.c
+++ b/arch/s390/crypto/sha1_s390.c
@@ -27,7 +27,7 @@
#include "sha.h"
-static int sha1_init(struct shash_desc *desc)
+static int s390_sha1_init(struct shash_desc *desc)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
@@ -42,7 +42,7 @@ static int sha1_init(struct shash_desc *desc)
return 0;
}
-static int sha1_export(struct shash_desc *desc, void *out)
+static int s390_sha1_export(struct shash_desc *desc, void *out)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
struct sha1_state *octx = out;
@@ -53,7 +53,7 @@ static int sha1_export(struct shash_desc *desc, void *out)
return 0;
}
-static int sha1_import(struct shash_desc *desc, const void *in)
+static int s390_sha1_import(struct shash_desc *desc, const void *in)
{
struct s390_sha_ctx *sctx = shash_desc_ctx(desc);
const struct sha1_state *ictx = in;
@@ -67,11 +67,11 @@ static int sha1_import(struct shash_desc *desc, const void *in)
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
- .init = sha1_init,
+ .init = s390_sha1_init,
.update = s390_sha_update,
.final = s390_sha_final,
- .export = sha1_export,
- .import = sha1_import,
+ .export = s390_sha1_export,
+ .import = s390_sha1_import,
.descsize = sizeof(struct s390_sha_ctx),
.statesize = sizeof(struct sha1_state),
.base = {
diff --git a/arch/s390/include/asm/ccwgroup.h b/arch/s390/include/asm/ccwgroup.h
index 7293c139dd79..ad3acb1e882b 100644
--- a/arch/s390/include/asm/ccwgroup.h
+++ b/arch/s390/include/asm/ccwgroup.h
@@ -36,11 +36,6 @@ struct ccwgroup_device {
* @set_online: function called when device is set online
* @set_offline: function called when device is set offline
* @shutdown: function called when device is shut down
- * @prepare: prepare for pm state transition
- * @complete: undo work done in @prepare
- * @freeze: callback for freezing during hibernation snapshotting
- * @thaw: undo work done in @freeze
- * @restore: callback for restoring after hibernation
* @driver: embedded driver structure
* @ccw_driver: supported ccw_driver (optional)
*/
@@ -50,11 +45,6 @@ struct ccwgroup_driver {
int (*set_online) (struct ccwgroup_device *);
int (*set_offline) (struct ccwgroup_device *);
void (*shutdown)(struct ccwgroup_device *);
- int (*prepare) (struct ccwgroup_device *);
- void (*complete) (struct ccwgroup_device *);
- int (*freeze)(struct ccwgroup_device *);
- int (*thaw) (struct ccwgroup_device *);
- int (*restore)(struct ccwgroup_device *);
struct device_driver driver;
struct ccw_driver *ccw_driver;
diff --git a/arch/s390/include/asm/checksum.h b/arch/s390/include/asm/checksum.h
index 91e376b0d28c..6d01c96aeb5c 100644
--- a/arch/s390/include/asm/checksum.h
+++ b/arch/s390/include/asm/checksum.h
@@ -39,25 +39,6 @@ csum_partial(const void *buff, int len, __wsum sum)
return sum;
}
-/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- *
- * Copy from userspace and compute checksum.
- */
-static inline __wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum,
- int *err_ptr)
-{
- if (unlikely(copy_from_user(dst, src, len)))
- *err_ptr = -EFAULT;
- return csum_partial(dst, len, sum);
-}
-
-
static inline __wsum
csum_partial_copy_nocheck (const void *src, void *dst, int len, __wsum sum)
{
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index de8f0bf5f238..9ddf4a43a590 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -21,13 +21,6 @@ pte_t huge_ptep_get(pte_t *ptep);
pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep);
-static inline bool is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len)
-{
- return false;
-}
-
/*
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
@@ -46,6 +39,7 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_arch_1, &page->flags);
}
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, unsigned long sz)
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index d6bcd34f3ec3..3d554887794e 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -375,6 +375,8 @@ struct kvm_vcpu_stat {
u64 halt_poll_invalid;
u64 halt_no_poll_steal;
u64 halt_wakeup;
+ u64 halt_poll_success_ns;
+ u64 halt_poll_fail_ns;
u64 instruction_lctl;
u64 instruction_lctlg;
u64 instruction_stctl;
@@ -971,7 +973,7 @@ struct kvm_arch_async_pf {
unsigned long pfault_token;
};
-bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
+bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu);
void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
@@ -982,6 +984,8 @@ void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
+static inline void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu) {}
+
void kvm_arch_crypto_clear_masks(struct kvm *kvm);
void kvm_arch_crypto_set_masks(struct kvm *kvm, unsigned long *apm,
unsigned long *aqm, unsigned long *adm);
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index cd060b5dd8fd..e4dc64cc9c55 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -8,6 +8,10 @@
#include <linux/slab.h>
#include <asm/pci_insn.h>
+/* I/O size constraints */
+#define ZPCI_MAX_READ_SIZE 8
+#define ZPCI_MAX_WRITE_SIZE 128
+
/* I/O Map */
#define ZPCI_IOMAP_SHIFT 48
#define ZPCI_IOMAP_ADDR_BASE 0x8000000000000000UL
@@ -140,7 +144,8 @@ static inline int zpci_memcpy_fromio(void *dst,
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) src,
- (u64) dst, n, 8);
+ (u64) dst, n,
+ ZPCI_MAX_READ_SIZE);
rc = zpci_read_single(dst, src, size);
if (rc)
break;
@@ -161,7 +166,8 @@ static inline int zpci_memcpy_toio(volatile void __iomem *dst,
while (n > 0) {
size = zpci_get_max_write_size((u64 __force) dst,
- (u64) src, n, 128);
+ (u64) src, n,
+ ZPCI_MAX_WRITE_SIZE);
if (size > 8) /* main path */
rc = zpci_write_block(dst, src, size);
else
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 6d321f5f101d..636446003a06 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -867,7 +867,7 @@ static int debug_active = 1;
* if debug_active is already off
*/
static int s390dbf_procactive(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (!write || debug_stoppable || !debug_active)
return proc_dointvec(table, write, buffer, lenp, ppos);
diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c
index 61f2b0412345..ccba63aaeb47 100644
--- a/arch/s390/kernel/diag.c
+++ b/arch/s390/kernel/diag.c
@@ -133,7 +133,7 @@ void diag_stat_inc(enum diag_stat_enum nr)
}
EXPORT_SYMBOL(diag_stat_inc);
-void diag_stat_inc_norecursion(enum diag_stat_enum nr)
+void notrace diag_stat_inc_norecursion(enum diag_stat_enum nr)
{
this_cpu_inc(diag_stat.counter[nr]);
trace_s390_diagnose_norecursion(diag_map[nr].code);
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
index 8415ae7d2a23..f9e4baa64b67 100644
--- a/arch/s390/kernel/machine_kexec_file.c
+++ b/arch/s390/kernel/machine_kexec_file.c
@@ -151,7 +151,7 @@ static int kexec_file_add_initrd(struct kimage *image,
buf.mem += crashk_res.start;
buf.memsz = buf.bufsz;
- data->parm->initrd_start = buf.mem;
+ data->parm->initrd_start = data->memsz;
data->parm->initrd_size = buf.memsz;
data->memsz += buf.memsz;
diff --git a/arch/s390/kernel/machine_kexec_reloc.c b/arch/s390/kernel/machine_kexec_reloc.c
index d5035de9020e..b7182cec48dc 100644
--- a/arch/s390/kernel/machine_kexec_reloc.c
+++ b/arch/s390/kernel/machine_kexec_reloc.c
@@ -28,6 +28,7 @@ int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
break;
case R_390_64: /* Direct 64 bit. */
case R_390_GLOB_DAT:
+ case R_390_JMP_SLOT:
*(u64 *)loc = val;
break;
case R_390_PC16: /* PC relative 16 bit. */
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 36445dd40fdb..0f0b140b5558 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -305,12 +305,9 @@ void *restart_stack __section(.data);
unsigned long stack_alloc(void)
{
#ifdef CONFIG_VMAP_STACK
- return (unsigned long)
- __vmalloc_node_range(THREAD_SIZE, THREAD_SIZE,
- VMALLOC_START, VMALLOC_END,
- THREADINFO_GFP,
- PAGE_KERNEL, 0, NUMA_NO_NODE,
- __builtin_return_address(0));
+ return (unsigned long)__vmalloc_node(THREAD_SIZE, THREAD_SIZE,
+ THREADINFO_GFP, NUMA_NO_NODE,
+ __builtin_return_address(0));
#else
return __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
#endif
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 7eaabbab2213..10dbb12eb14d 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -403,7 +403,7 @@ int smp_find_processor_id(u16 address)
return -1;
}
-bool arch_vcpu_is_preempted(int cpu)
+bool notrace arch_vcpu_is_preempted(int cpu)
{
if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu))
return false;
@@ -413,7 +413,7 @@ bool arch_vcpu_is_preempted(int cpu)
}
EXPORT_SYMBOL(arch_vcpu_is_preempted);
-void smp_yield_cpu(int cpu)
+void notrace smp_yield_cpu(int cpu)
{
if (!MACHINE_HAS_DIAG9C)
return;
diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
index bd7bd3581a0f..bfdcb7633957 100644
--- a/arch/s390/kernel/syscalls/syscall.tbl
+++ b/arch/s390/kernel/syscalls/syscall.tbl
@@ -440,3 +440,4 @@
435 common clone3 sys_clone3 sys_clone3
437 common openat2 sys_openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2 sys_faccessat2
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 5f70cefc13e4..332b542548cd 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -594,7 +594,7 @@ static int __init topology_setup(char *str)
early_param("topology", topology_setup);
static int topology_ctl_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int enabled = topology_is_enabled();
int new_mode;
diff --git a/arch/s390/kernel/trace.c b/arch/s390/kernel/trace.c
index 490b52e85014..11a669f3cc93 100644
--- a/arch/s390/kernel/trace.c
+++ b/arch/s390/kernel/trace.c
@@ -14,7 +14,7 @@ EXPORT_TRACEPOINT_SYMBOL(s390_diagnose);
static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth);
-void trace_s390_diagnose_norecursion(int diag_nr)
+void notrace trace_s390_diagnose_norecursion(int diag_nr)
{
unsigned long flags;
unsigned int *depth;
diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c
index c86d654351d1..4c0677fc8904 100644
--- a/arch/s390/kernel/uv.c
+++ b/arch/s390/kernel/uv.c
@@ -23,10 +23,11 @@
int __bootdata_preserved(prot_virt_guest);
#endif
+struct uv_info __bootdata_preserved(uv_info);
+
#if IS_ENABLED(CONFIG_KVM)
int prot_virt_host;
EXPORT_SYMBOL(prot_virt_host);
-struct uv_info __bootdata_preserved(uv_info);
EXPORT_SYMBOL(uv_info);
static int __init prot_virt_setup(char *val)
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 8191106bf7b9..a4d4ca2769bd 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -393,7 +393,7 @@ static unsigned long deliverable_irqs(struct kvm_vcpu *vcpu)
if (psw_mchk_disabled(vcpu))
active_mask &= ~IRQ_PEND_MCHK_MASK;
/* PV guest cpus can have a single interruption injected at a time. */
- if (kvm_s390_pv_cpu_is_protected(vcpu) &&
+ if (kvm_s390_pv_cpu_get_handle(vcpu) &&
vcpu->arch.sie_block->iictl != IICTL_CODE_NONE)
active_mask &= ~(IRQ_PEND_EXT_II_MASK |
IRQ_PEND_IO_MASK |
@@ -3082,7 +3082,7 @@ static enum hrtimer_restart gisa_vcpu_kicker(struct hrtimer *timer)
__airqs_kick_single_vcpu(kvm, pending_mask);
hrtimer_forward_now(timer, ns_to_ktime(gi->expires));
return HRTIMER_RESTART;
- };
+ }
return HRTIMER_NORESTART;
}
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 19a81024fe16..06bde4bad205 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -57,110 +57,109 @@
#define VCPU_IRQS_MAX_BUF (sizeof(struct kvm_s390_irq) * \
(KVM_MAX_VCPUS + LOCAL_IRQS))
-#define VCPU_STAT(x) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU
-#define VM_STAT(x) offsetof(struct kvm, stat.x), KVM_STAT_VM
-
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "userspace_handled", VCPU_STAT(exit_userspace) },
- { "exit_null", VCPU_STAT(exit_null) },
- { "exit_validity", VCPU_STAT(exit_validity) },
- { "exit_stop_request", VCPU_STAT(exit_stop_request) },
- { "exit_external_request", VCPU_STAT(exit_external_request) },
- { "exit_io_request", VCPU_STAT(exit_io_request) },
- { "exit_external_interrupt", VCPU_STAT(exit_external_interrupt) },
- { "exit_instruction", VCPU_STAT(exit_instruction) },
- { "exit_pei", VCPU_STAT(exit_pei) },
- { "exit_program_interruption", VCPU_STAT(exit_program_interruption) },
- { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) },
- { "exit_operation_exception", VCPU_STAT(exit_operation_exception) },
- { "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
- { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
- { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) },
- { "halt_no_poll_steal", VCPU_STAT(halt_no_poll_steal) },
- { "halt_wakeup", VCPU_STAT(halt_wakeup) },
- { "instruction_lctlg", VCPU_STAT(instruction_lctlg) },
- { "instruction_lctl", VCPU_STAT(instruction_lctl) },
- { "instruction_stctl", VCPU_STAT(instruction_stctl) },
- { "instruction_stctg", VCPU_STAT(instruction_stctg) },
- { "deliver_ckc", VCPU_STAT(deliver_ckc) },
- { "deliver_cputm", VCPU_STAT(deliver_cputm) },
- { "deliver_emergency_signal", VCPU_STAT(deliver_emergency_signal) },
- { "deliver_external_call", VCPU_STAT(deliver_external_call) },
- { "deliver_service_signal", VCPU_STAT(deliver_service_signal) },
- { "deliver_virtio", VCPU_STAT(deliver_virtio) },
- { "deliver_stop_signal", VCPU_STAT(deliver_stop_signal) },
- { "deliver_prefix_signal", VCPU_STAT(deliver_prefix_signal) },
- { "deliver_restart_signal", VCPU_STAT(deliver_restart_signal) },
- { "deliver_program", VCPU_STAT(deliver_program) },
- { "deliver_io", VCPU_STAT(deliver_io) },
- { "deliver_machine_check", VCPU_STAT(deliver_machine_check) },
- { "exit_wait_state", VCPU_STAT(exit_wait_state) },
- { "inject_ckc", VCPU_STAT(inject_ckc) },
- { "inject_cputm", VCPU_STAT(inject_cputm) },
- { "inject_external_call", VCPU_STAT(inject_external_call) },
- { "inject_float_mchk", VM_STAT(inject_float_mchk) },
- { "inject_emergency_signal", VCPU_STAT(inject_emergency_signal) },
- { "inject_io", VM_STAT(inject_io) },
- { "inject_mchk", VCPU_STAT(inject_mchk) },
- { "inject_pfault_done", VM_STAT(inject_pfault_done) },
- { "inject_program", VCPU_STAT(inject_program) },
- { "inject_restart", VCPU_STAT(inject_restart) },
- { "inject_service_signal", VM_STAT(inject_service_signal) },
- { "inject_set_prefix", VCPU_STAT(inject_set_prefix) },
- { "inject_stop_signal", VCPU_STAT(inject_stop_signal) },
- { "inject_pfault_init", VCPU_STAT(inject_pfault_init) },
- { "inject_virtio", VM_STAT(inject_virtio) },
- { "instruction_epsw", VCPU_STAT(instruction_epsw) },
- { "instruction_gs", VCPU_STAT(instruction_gs) },
- { "instruction_io_other", VCPU_STAT(instruction_io_other) },
- { "instruction_lpsw", VCPU_STAT(instruction_lpsw) },
- { "instruction_lpswe", VCPU_STAT(instruction_lpswe) },
- { "instruction_pfmf", VCPU_STAT(instruction_pfmf) },
- { "instruction_ptff", VCPU_STAT(instruction_ptff) },
- { "instruction_stidp", VCPU_STAT(instruction_stidp) },
- { "instruction_sck", VCPU_STAT(instruction_sck) },
- { "instruction_sckpf", VCPU_STAT(instruction_sckpf) },
- { "instruction_spx", VCPU_STAT(instruction_spx) },
- { "instruction_stpx", VCPU_STAT(instruction_stpx) },
- { "instruction_stap", VCPU_STAT(instruction_stap) },
- { "instruction_iske", VCPU_STAT(instruction_iske) },
- { "instruction_ri", VCPU_STAT(instruction_ri) },
- { "instruction_rrbe", VCPU_STAT(instruction_rrbe) },
- { "instruction_sske", VCPU_STAT(instruction_sske) },
- { "instruction_ipte_interlock", VCPU_STAT(instruction_ipte_interlock) },
- { "instruction_essa", VCPU_STAT(instruction_essa) },
- { "instruction_stsi", VCPU_STAT(instruction_stsi) },
- { "instruction_stfl", VCPU_STAT(instruction_stfl) },
- { "instruction_tb", VCPU_STAT(instruction_tb) },
- { "instruction_tpi", VCPU_STAT(instruction_tpi) },
- { "instruction_tprot", VCPU_STAT(instruction_tprot) },
- { "instruction_tsch", VCPU_STAT(instruction_tsch) },
- { "instruction_sthyi", VCPU_STAT(instruction_sthyi) },
- { "instruction_sie", VCPU_STAT(instruction_sie) },
- { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
- { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) },
- { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
- { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
- { "instruction_sigp_cond_emergency", VCPU_STAT(instruction_sigp_cond_emergency) },
- { "instruction_sigp_start", VCPU_STAT(instruction_sigp_start) },
- { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
- { "instruction_sigp_stop_store_status", VCPU_STAT(instruction_sigp_stop_store_status) },
- { "instruction_sigp_store_status", VCPU_STAT(instruction_sigp_store_status) },
- { "instruction_sigp_store_adtl_status", VCPU_STAT(instruction_sigp_store_adtl_status) },
- { "instruction_sigp_set_arch", VCPU_STAT(instruction_sigp_arch) },
- { "instruction_sigp_set_prefix", VCPU_STAT(instruction_sigp_prefix) },
- { "instruction_sigp_restart", VCPU_STAT(instruction_sigp_restart) },
- { "instruction_sigp_cpu_reset", VCPU_STAT(instruction_sigp_cpu_reset) },
- { "instruction_sigp_init_cpu_reset", VCPU_STAT(instruction_sigp_init_cpu_reset) },
- { "instruction_sigp_unknown", VCPU_STAT(instruction_sigp_unknown) },
- { "instruction_diag_10", VCPU_STAT(diagnose_10) },
- { "instruction_diag_44", VCPU_STAT(diagnose_44) },
- { "instruction_diag_9c", VCPU_STAT(diagnose_9c) },
- { "diag_9c_ignored", VCPU_STAT(diagnose_9c_ignored) },
- { "instruction_diag_258", VCPU_STAT(diagnose_258) },
- { "instruction_diag_308", VCPU_STAT(diagnose_308) },
- { "instruction_diag_500", VCPU_STAT(diagnose_500) },
- { "instruction_diag_other", VCPU_STAT(diagnose_other) },
+ VCPU_STAT("userspace_handled", exit_userspace),
+ VCPU_STAT("exit_null", exit_null),
+ VCPU_STAT("exit_validity", exit_validity),
+ VCPU_STAT("exit_stop_request", exit_stop_request),
+ VCPU_STAT("exit_external_request", exit_external_request),
+ VCPU_STAT("exit_io_request", exit_io_request),
+ VCPU_STAT("exit_external_interrupt", exit_external_interrupt),
+ VCPU_STAT("exit_instruction", exit_instruction),
+ VCPU_STAT("exit_pei", exit_pei),
+ VCPU_STAT("exit_program_interruption", exit_program_interruption),
+ VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program),
+ VCPU_STAT("exit_operation_exception", exit_operation_exception),
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
+ VCPU_STAT("instruction_lctlg", instruction_lctlg),
+ VCPU_STAT("instruction_lctl", instruction_lctl),
+ VCPU_STAT("instruction_stctl", instruction_stctl),
+ VCPU_STAT("instruction_stctg", instruction_stctg),
+ VCPU_STAT("deliver_ckc", deliver_ckc),
+ VCPU_STAT("deliver_cputm", deliver_cputm),
+ VCPU_STAT("deliver_emergency_signal", deliver_emergency_signal),
+ VCPU_STAT("deliver_external_call", deliver_external_call),
+ VCPU_STAT("deliver_service_signal", deliver_service_signal),
+ VCPU_STAT("deliver_virtio", deliver_virtio),
+ VCPU_STAT("deliver_stop_signal", deliver_stop_signal),
+ VCPU_STAT("deliver_prefix_signal", deliver_prefix_signal),
+ VCPU_STAT("deliver_restart_signal", deliver_restart_signal),
+ VCPU_STAT("deliver_program", deliver_program),
+ VCPU_STAT("deliver_io", deliver_io),
+ VCPU_STAT("deliver_machine_check", deliver_machine_check),
+ VCPU_STAT("exit_wait_state", exit_wait_state),
+ VCPU_STAT("inject_ckc", inject_ckc),
+ VCPU_STAT("inject_cputm", inject_cputm),
+ VCPU_STAT("inject_external_call", inject_external_call),
+ VM_STAT("inject_float_mchk", inject_float_mchk),
+ VCPU_STAT("inject_emergency_signal", inject_emergency_signal),
+ VM_STAT("inject_io", inject_io),
+ VCPU_STAT("inject_mchk", inject_mchk),
+ VM_STAT("inject_pfault_done", inject_pfault_done),
+ VCPU_STAT("inject_program", inject_program),
+ VCPU_STAT("inject_restart", inject_restart),
+ VM_STAT("inject_service_signal", inject_service_signal),
+ VCPU_STAT("inject_set_prefix", inject_set_prefix),
+ VCPU_STAT("inject_stop_signal", inject_stop_signal),
+ VCPU_STAT("inject_pfault_init", inject_pfault_init),
+ VM_STAT("inject_virtio", inject_virtio),
+ VCPU_STAT("instruction_epsw", instruction_epsw),
+ VCPU_STAT("instruction_gs", instruction_gs),
+ VCPU_STAT("instruction_io_other", instruction_io_other),
+ VCPU_STAT("instruction_lpsw", instruction_lpsw),
+ VCPU_STAT("instruction_lpswe", instruction_lpswe),
+ VCPU_STAT("instruction_pfmf", instruction_pfmf),
+ VCPU_STAT("instruction_ptff", instruction_ptff),
+ VCPU_STAT("instruction_stidp", instruction_stidp),
+ VCPU_STAT("instruction_sck", instruction_sck),
+ VCPU_STAT("instruction_sckpf", instruction_sckpf),
+ VCPU_STAT("instruction_spx", instruction_spx),
+ VCPU_STAT("instruction_stpx", instruction_stpx),
+ VCPU_STAT("instruction_stap", instruction_stap),
+ VCPU_STAT("instruction_iske", instruction_iske),
+ VCPU_STAT("instruction_ri", instruction_ri),
+ VCPU_STAT("instruction_rrbe", instruction_rrbe),
+ VCPU_STAT("instruction_sske", instruction_sske),
+ VCPU_STAT("instruction_ipte_interlock", instruction_ipte_interlock),
+ VCPU_STAT("instruction_essa", instruction_essa),
+ VCPU_STAT("instruction_stsi", instruction_stsi),
+ VCPU_STAT("instruction_stfl", instruction_stfl),
+ VCPU_STAT("instruction_tb", instruction_tb),
+ VCPU_STAT("instruction_tpi", instruction_tpi),
+ VCPU_STAT("instruction_tprot", instruction_tprot),
+ VCPU_STAT("instruction_tsch", instruction_tsch),
+ VCPU_STAT("instruction_sthyi", instruction_sthyi),
+ VCPU_STAT("instruction_sie", instruction_sie),
+ VCPU_STAT("instruction_sigp_sense", instruction_sigp_sense),
+ VCPU_STAT("instruction_sigp_sense_running", instruction_sigp_sense_running),
+ VCPU_STAT("instruction_sigp_external_call", instruction_sigp_external_call),
+ VCPU_STAT("instruction_sigp_emergency", instruction_sigp_emergency),
+ VCPU_STAT("instruction_sigp_cond_emergency", instruction_sigp_cond_emergency),
+ VCPU_STAT("instruction_sigp_start", instruction_sigp_start),
+ VCPU_STAT("instruction_sigp_stop", instruction_sigp_stop),
+ VCPU_STAT("instruction_sigp_stop_store_status", instruction_sigp_stop_store_status),
+ VCPU_STAT("instruction_sigp_store_status", instruction_sigp_store_status),
+ VCPU_STAT("instruction_sigp_store_adtl_status", instruction_sigp_store_adtl_status),
+ VCPU_STAT("instruction_sigp_set_arch", instruction_sigp_arch),
+ VCPU_STAT("instruction_sigp_set_prefix", instruction_sigp_prefix),
+ VCPU_STAT("instruction_sigp_restart", instruction_sigp_restart),
+ VCPU_STAT("instruction_sigp_cpu_reset", instruction_sigp_cpu_reset),
+ VCPU_STAT("instruction_sigp_init_cpu_reset", instruction_sigp_init_cpu_reset),
+ VCPU_STAT("instruction_sigp_unknown", instruction_sigp_unknown),
+ VCPU_STAT("instruction_diag_10", diagnose_10),
+ VCPU_STAT("instruction_diag_44", diagnose_44),
+ VCPU_STAT("instruction_diag_9c", diagnose_9c),
+ VCPU_STAT("diag_9c_ignored", diagnose_9c_ignored),
+ VCPU_STAT("instruction_diag_258", diagnose_258),
+ VCPU_STAT("instruction_diag_308", diagnose_308),
+ VCPU_STAT("instruction_diag_500", diagnose_500),
+ VCPU_STAT("instruction_diag_other", diagnose_other),
{ NULL }
};
@@ -545,6 +544,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_S390_AIS:
case KVM_CAP_S390_AIS_MIGRATION:
case KVM_CAP_S390_VCPU_RESETS:
+ case KVM_CAP_SET_GUEST_DEBUG:
r = 1;
break;
case KVM_CAP_S390_HPAGE_1M:
@@ -1939,6 +1939,9 @@ static int gfn_to_memslot_approx(struct kvm_memslots *slots, gfn_t gfn)
start = slot + 1;
}
+ if (start >= slots->used_slots)
+ return slots->used_slots - 1;
+
if (gfn >= memslots[start].base_gfn &&
gfn < memslots[start].base_gfn + memslots[start].npages) {
atomic_set(&slots->lru_slot, start);
@@ -3940,7 +3943,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
/* s390 will always inject the page directly */
}
-bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu)
+bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu)
{
/*
* s390 will always inject the page directly,
@@ -4333,8 +4336,9 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
store_regs_fmt2(vcpu, kvm_run);
}
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *kvm_run = vcpu->run;
int rc;
if (kvm_run->immediate_exit)
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 69a824f9ef0b..893893642415 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -626,10 +626,12 @@ static int handle_pqap(struct kvm_vcpu *vcpu)
* available for the guest are AQIC and TAPQ with the t bit set
* since we do not set IC.3 (FIII) we currently will only intercept
* the AQIC function code.
+ * Note: running nested under z/VM can result in intercepts for other
+ * function codes, e.g. PQAP(QCI). We do not support this and bail out.
*/
reg0 = vcpu->run->s.regs.gprs[0];
fc = (reg0 >> 24) & 0xff;
- if (WARN_ON_ONCE(fc != 0x03))
+ if (fc != 0x03)
return -EOPNOTSUPP;
/* PQAP instruction is allowed for guest kernel only */
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index 4f6c22d72072..ef05b4e167fb 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -1000,8 +1000,6 @@ static int do_vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
handle_last_fault(vcpu, vsie_page);
- if (need_resched())
- schedule();
if (test_cpu_flag(CIF_MCCK_PENDING))
s390_handle_mcck();
@@ -1185,6 +1183,7 @@ static int vsie_run(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
kvm_s390_vcpu_has_irq(vcpu, 0) ||
kvm_s390_vcpu_sie_inhibited(vcpu))
break;
+ cond_resched();
}
if (rc == -EFAULT) {
diff --git a/arch/s390/lib/uaccess.c b/arch/s390/lib/uaccess.c
index c4f8039a35e8..0267405ab7c6 100644
--- a/arch/s390/lib/uaccess.c
+++ b/arch/s390/lib/uaccess.c
@@ -64,10 +64,13 @@ mm_segment_t enable_sacf_uaccess(void)
{
mm_segment_t old_fs;
unsigned long asce, cr;
+ unsigned long flags;
old_fs = current->thread.mm_segment;
if (old_fs & 1)
return old_fs;
+ /* protect against a concurrent page table upgrade */
+ local_irq_save(flags);
current->thread.mm_segment |= 1;
asce = S390_lowcore.kernel_asce;
if (likely(old_fs == USER_DS)) {
@@ -83,6 +86,7 @@ mm_segment_t enable_sacf_uaccess(void)
__ctl_load(asce, 7, 7);
set_cpu_flag(CIF_ASCE_SECONDARY);
}
+ local_irq_restore(flags);
return old_fs;
}
EXPORT_SYMBOL(enable_sacf_uaccess);
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index ae989b740376..36bce727897b 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -245,7 +245,7 @@ static int cmm_skip_blanks(char *cp, char **endp)
}
static int cmm_pages_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
long nr = cmm_get_pages();
struct ctl_table ctl_entry = {
@@ -264,7 +264,7 @@ static int cmm_pages_handler(struct ctl_table *ctl, int write,
}
static int cmm_timed_pages_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
long nr = cmm_get_timed_pages();
@@ -284,7 +284,7 @@ static int cmm_timed_pages_handler(struct ctl_table *ctl, int write,
}
static int cmm_timeout_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char buf[64], *p;
long nr, seconds;
@@ -297,8 +297,7 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
if (write) {
len = min(*lenp, sizeof(buf));
- if (copy_from_user(buf, buffer, len))
- return -EFAULT;
+ memcpy(buf, buffer, len);
buf[len - 1] = '\0';
cmm_skip_blanks(buf, &p);
nr = simple_strtoul(p, &p, 0);
@@ -311,8 +310,7 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
cmm_timeout_pages, cmm_timeout_seconds);
if (len > *lenp)
len = *lenp;
- if (copy_to_user(buffer, buf, len))
- return -EFAULT;
+ memcpy(buffer, buf, len);
*lenp = len;
*ppos += len;
}
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 1a95d8809cc3..4b6903fbba4a 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -788,19 +788,19 @@ static inline unsigned long *gmap_table_walk(struct gmap *gmap,
unsigned long gaddr, int level)
{
const int asce_type = gmap->asce & _ASCE_TYPE_MASK;
- unsigned long *table;
+ unsigned long *table = gmap->table;
- if ((gmap->asce & _ASCE_TYPE_MASK) + 4 < (level * 4))
- return NULL;
if (gmap_is_shadow(gmap) && gmap->removed)
return NULL;
+ if (WARN_ON_ONCE(level > (asce_type >> 2) + 1))
+ return NULL;
+
if (asce_type != _ASCE_TYPE_REGION1 &&
gaddr & (-1UL << (31 + (asce_type >> 2) * 11)))
return NULL;
- table = gmap->table;
- switch (gmap->asce & _ASCE_TYPE_MASK) {
+ switch (asce_type) {
case _ASCE_TYPE_REGION1:
table += (gaddr & _REGION1_INDEX) >> _REGION1_SHIFT;
if (level == 4)
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index f01daddcbc5e..82df06d720e8 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -159,10 +159,13 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
rste &= ~_SEGMENT_ENTRY_NOEXEC;
/* Set correct table type for 2G hugepages */
- if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3)
- rste |= _REGION_ENTRY_TYPE_R3 | _REGION3_ENTRY_LARGE;
- else
+ if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) {
+ if (likely(pte_present(pte)))
+ rste |= _REGION3_ENTRY_LARGE;
+ rste |= _REGION_ENTRY_TYPE_R3;
+ } else if (likely(pte_present(pte)))
rste |= _SEGMENT_ENTRY_LARGE;
+
clear_huge_pte_skeys(mm, rste);
pte_val(*ptep) = rste;
}
@@ -251,25 +254,15 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address,
return pud_page(*pud) + ((address & ~PUD_MASK) >> PAGE_SHIFT);
}
-static __init int setup_hugepagesz(char *opt)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long size;
- char *string = opt;
-
- size = memparse(opt, &opt);
- if (MACHINE_HAS_EDAT1 && size == PMD_SIZE) {
- hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
- } else if (MACHINE_HAS_EDAT2 && size == PUD_SIZE) {
- hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
- } else {
- hugetlb_bad_size();
- pr_err("hugepagesz= specifies an unsupported page size %s\n",
- string);
- return 0;
- }
- return 1;
+ if (MACHINE_HAS_EDAT1 && size == PMD_SIZE)
+ return true;
+ else if (MACHINE_HAS_EDAT2 && size == PUD_SIZE)
+ return true;
+ else
+ return false;
}
-__setup("hugepagesz=", setup_hugepagesz);
static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
unsigned long addr, unsigned long len,
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 87b2d024e75a..b11bcf4da531 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -122,7 +122,7 @@ void __init paging_init(void)
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
void mark_rodata_ro(void)
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 498c98a312f4..fff169d64711 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -70,8 +70,20 @@ static void __crst_table_upgrade(void *arg)
{
struct mm_struct *mm = arg;
- if (current->active_mm == mm)
- set_user_asce(mm);
+ /* we must change all active ASCEs to avoid the creation of new TLBs */
+ if (current->active_mm == mm) {
+ S390_lowcore.user_asce = mm->context.asce;
+ if (current->thread.mm_segment == USER_DS) {
+ __ctl_load(S390_lowcore.user_asce, 1, 1);
+ /* Mark user-ASCE present in CR1 */
+ clear_cpu_flag(CIF_ASCE_PRIMARY);
+ }
+ if (current->thread.mm_segment == USER_DS_SACF) {
+ __ctl_load(S390_lowcore.user_asce, 7, 7);
+ /* enable_sacf_uaccess does all or nothing */
+ WARN_ON(!test_cpu_flag(CIF_ASCE_SECONDARY));
+ }
+ }
__tlb_flush_local();
}
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 8d2134136290..f4242b894cf2 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -503,7 +503,8 @@ static void bpf_jit_prologue(struct bpf_jit *jit, u32 stack_depth)
} else {
/* j tail_call_start: NOP if no tail calls are used */
EMIT4_PCREL(0xa7f40000, 6);
- _EMIT2(0);
+ /* bcr 0,%0 */
+ EMIT2(0x0700, 0, REG_0);
}
/* Tail calls have to skip above initialization */
jit->tail_call_start = jit->prg;
@@ -594,7 +595,7 @@ static void bpf_jit_epilogue(struct bpf_jit *jit, u32 stack_depth)
* stack space for the large switch statement.
*/
static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
- int i, bool extra_pass)
+ int i, bool extra_pass, u32 stack_depth)
{
struct bpf_insn *insn = &fp->insnsi[i];
u32 dst_reg = insn->dst_reg;
@@ -1207,7 +1208,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
*/
if (jit->seen & SEEN_STACK)
- off = STK_OFF_TCCNT + STK_OFF + fp->aux->stack_depth;
+ off = STK_OFF_TCCNT + STK_OFF + stack_depth;
else
off = STK_OFF_TCCNT;
/* lhi %w0,1 */
@@ -1249,7 +1250,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp,
/*
* Restore registers before calling function
*/
- save_restore_regs(jit, REGS_RESTORE, fp->aux->stack_depth);
+ save_restore_regs(jit, REGS_RESTORE, stack_depth);
/*
* goto *(prog->bpf_func + tail_call_start);
@@ -1519,7 +1520,7 @@ static int bpf_set_addr(struct bpf_jit *jit, int i)
* Compile eBPF program into s390x code
*/
static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp,
- bool extra_pass)
+ bool extra_pass, u32 stack_depth)
{
int i, insn_count, lit32_size, lit64_size;
@@ -1527,18 +1528,18 @@ static int bpf_jit_prog(struct bpf_jit *jit, struct bpf_prog *fp,
jit->lit64 = jit->lit64_start;
jit->prg = 0;
- bpf_jit_prologue(jit, fp->aux->stack_depth);
+ bpf_jit_prologue(jit, stack_depth);
if (bpf_set_addr(jit, 0) < 0)
return -1;
for (i = 0; i < fp->len; i += insn_count) {
- insn_count = bpf_jit_insn(jit, fp, i, extra_pass);
+ insn_count = bpf_jit_insn(jit, fp, i, extra_pass, stack_depth);
if (insn_count < 0)
return -1;
/* Next instruction address */
if (bpf_set_addr(jit, i + insn_count) < 0)
return -1;
}
- bpf_jit_epilogue(jit, fp->aux->stack_depth);
+ bpf_jit_epilogue(jit, stack_depth);
lit32_size = jit->lit32 - jit->lit32_start;
lit64_size = jit->lit64 - jit->lit64_start;
@@ -1569,6 +1570,7 @@ struct s390_jit_data {
*/
struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
{
+ u32 stack_depth = round_up(fp->aux->stack_depth, 8);
struct bpf_prog *tmp, *orig_fp = fp;
struct bpf_binary_header *header;
struct s390_jit_data *jit_data;
@@ -1621,7 +1623,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
* - 3: Calculate program size and addrs arrray
*/
for (pass = 1; pass <= 3; pass++) {
- if (bpf_jit_prog(&jit, fp, extra_pass)) {
+ if (bpf_jit_prog(&jit, fp, extra_pass, stack_depth)) {
fp = orig_fp;
goto free_addrs;
}
@@ -1635,7 +1637,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
goto free_addrs;
}
skip_init_ctx:
- if (bpf_jit_prog(&jit, fp, extra_pass)) {
+ if (bpf_jit_prog(&jit, fp, extra_pass, stack_depth)) {
bpf_jit_binary_free(header);
fp = orig_fp;
goto free_addrs;
diff --git a/arch/s390/pci/pci_irq.c b/arch/s390/pci/pci_irq.c
index fbe97ab2e228..743f257cf2cb 100644
--- a/arch/s390/pci/pci_irq.c
+++ b/arch/s390/pci/pci_irq.c
@@ -115,7 +115,6 @@ static struct irq_chip zpci_irq_chip = {
.name = "PCI-MSI",
.irq_unmask = pci_msi_unmask_irq,
.irq_mask = pci_msi_mask_irq,
- .irq_set_affinity = zpci_set_irq_affinity,
};
static void zpci_handle_cpu_local_irq(bool rescan)
@@ -276,7 +275,9 @@ int arch_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
rc = -EIO;
if (hwirq - bit >= msi_vecs)
break;
- irq = __irq_alloc_descs(-1, 0, 1, 0, THIS_MODULE, msi->affinity);
+ irq = __irq_alloc_descs(-1, 0, 1, 0, THIS_MODULE,
+ (irq_delivery == DIRECTED) ?
+ msi->affinity : NULL);
if (irq < 0)
return -ENOMEM;
rc = irq_set_msi_desc(irq, msi);
diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c
index 7d42a8794f10..020a2c514d96 100644
--- a/arch/s390/pci/pci_mmio.c
+++ b/arch/s390/pci/pci_mmio.c
@@ -11,6 +11,113 @@
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/pci.h>
+#include <asm/pci_io.h>
+#include <asm/pci_debug.h>
+
+static inline void zpci_err_mmio(u8 cc, u8 status, u64 offset)
+{
+ struct {
+ u64 offset;
+ u8 cc;
+ u8 status;
+ } data = {offset, cc, status};
+
+ zpci_err_hex(&data, sizeof(data));
+}
+
+static inline int __pcistb_mio_inuser(
+ void __iomem *ioaddr, const void __user *src,
+ u64 len, u8 *status)
+{
+ int cc = -ENXIO;
+
+ asm volatile (
+ " sacf 256\n"
+ "0: .insn rsy,0xeb00000000d4,%[len],%[ioaddr],%[src]\n"
+ "1: ipm %[cc]\n"
+ " srl %[cc],28\n"
+ "2: sacf 768\n"
+ EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
+ : [cc] "+d" (cc), [len] "+d" (len)
+ : [ioaddr] "a" (ioaddr), [src] "Q" (*((u8 __force *)src))
+ : "cc", "memory");
+ *status = len >> 24 & 0xff;
+ return cc;
+}
+
+static inline int __pcistg_mio_inuser(
+ void __iomem *ioaddr, const void __user *src,
+ u64 ulen, u8 *status)
+{
+ register u64 addr asm("2") = (u64 __force) ioaddr;
+ register u64 len asm("3") = ulen;
+ int cc = -ENXIO;
+ u64 val = 0;
+ u64 cnt = ulen;
+ u8 tmp;
+
+ /*
+ * copy 0 < @len <= 8 bytes from @src into the right most bytes of
+ * a register, then store it to PCI at @ioaddr while in secondary
+ * address space. pcistg then uses the user mappings.
+ */
+ asm volatile (
+ " sacf 256\n"
+ "0: llgc %[tmp],0(%[src])\n"
+ " sllg %[val],%[val],8\n"
+ " aghi %[src],1\n"
+ " ogr %[val],%[tmp]\n"
+ " brctg %[cnt],0b\n"
+ "1: .insn rre,0xb9d40000,%[val],%[ioaddr]\n"
+ "2: ipm %[cc]\n"
+ " srl %[cc],28\n"
+ "3: sacf 768\n"
+ EX_TABLE(0b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
+ :
+ [src] "+a" (src), [cnt] "+d" (cnt),
+ [val] "+d" (val), [tmp] "=d" (tmp),
+ [len] "+d" (len), [cc] "+d" (cc),
+ [ioaddr] "+a" (addr)
+ :: "cc", "memory");
+ *status = len >> 24 & 0xff;
+
+ /* did we read everything from user memory? */
+ if (!cc && cnt != 0)
+ cc = -EFAULT;
+
+ return cc;
+}
+
+static inline int __memcpy_toio_inuser(void __iomem *dst,
+ const void __user *src, size_t n)
+{
+ int size, rc = 0;
+ u8 status = 0;
+ mm_segment_t old_fs;
+
+ if (!src)
+ return -EINVAL;
+
+ old_fs = enable_sacf_uaccess();
+ while (n > 0) {
+ size = zpci_get_max_write_size((u64 __force) dst,
+ (u64 __force) src, n,
+ ZPCI_MAX_WRITE_SIZE);
+ if (size > 8) /* main path */
+ rc = __pcistb_mio_inuser(dst, src, size, &status);
+ else
+ rc = __pcistg_mio_inuser(dst, src, size, &status);
+ if (rc)
+ break;
+ src += size;
+ dst += size;
+ n -= size;
+ }
+ disable_sacf_uaccess(old_fs);
+ if (rc)
+ zpci_err_mmio(rc, status, (__force u64) dst);
+ return rc;
+}
static long get_pfn(unsigned long user_addr, unsigned long access,
unsigned long *pfn)
@@ -46,6 +153,20 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
return -EINVAL;
+
+ /*
+ * Only support read access to MIO capable devices on a MIO enabled
+ * system. Otherwise we would have to check for every address if it is
+ * a special ZPCI_ADDR and we would have to do a get_pfn() which we
+ * don't need for MIO capable devices.
+ */
+ if (static_branch_likely(&have_mio)) {
+ ret = __memcpy_toio_inuser((void __iomem *) mmio_addr,
+ user_buffer,
+ length);
+ return ret;
+ }
+
if (length > 64) {
buf = kmalloc(length, GFP_KERNEL);
if (!buf)
@@ -56,7 +177,8 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
ret = get_pfn(mmio_addr, VM_WRITE, &pfn);
if (ret)
goto out;
- io_addr = (void __iomem *)((pfn << PAGE_SHIFT) | (mmio_addr & ~PAGE_MASK));
+ io_addr = (void __iomem *)((pfn << PAGE_SHIFT) |
+ (mmio_addr & ~PAGE_MASK));
ret = -EFAULT;
if ((unsigned long) io_addr < ZPCI_IOMAP_ADDR_BASE)
@@ -72,6 +194,78 @@ out:
return ret;
}
+static inline int __pcilg_mio_inuser(
+ void __user *dst, const void __iomem *ioaddr,
+ u64 ulen, u8 *status)
+{
+ register u64 addr asm("2") = (u64 __force) ioaddr;
+ register u64 len asm("3") = ulen;
+ u64 cnt = ulen;
+ int shift = ulen * 8;
+ int cc = -ENXIO;
+ u64 val, tmp;
+
+ /*
+ * read 0 < @len <= 8 bytes from the PCI memory mapped at @ioaddr (in
+ * user space) into a register using pcilg then store these bytes at
+ * user address @dst
+ */
+ asm volatile (
+ " sacf 256\n"
+ "0: .insn rre,0xb9d60000,%[val],%[ioaddr]\n"
+ "1: ipm %[cc]\n"
+ " srl %[cc],28\n"
+ " ltr %[cc],%[cc]\n"
+ " jne 4f\n"
+ "2: ahi %[shift],-8\n"
+ " srlg %[tmp],%[val],0(%[shift])\n"
+ "3: stc %[tmp],0(%[dst])\n"
+ " aghi %[dst],1\n"
+ " brctg %[cnt],2b\n"
+ "4: sacf 768\n"
+ EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b)
+ :
+ [cc] "+d" (cc), [val] "=d" (val), [len] "+d" (len),
+ [dst] "+a" (dst), [cnt] "+d" (cnt), [tmp] "=d" (tmp),
+ [shift] "+d" (shift)
+ :
+ [ioaddr] "a" (addr)
+ : "cc", "memory");
+
+ /* did we write everything to the user space buffer? */
+ if (!cc && cnt != 0)
+ cc = -EFAULT;
+
+ *status = len >> 24 & 0xff;
+ return cc;
+}
+
+static inline int __memcpy_fromio_inuser(void __user *dst,
+ const void __iomem *src,
+ unsigned long n)
+{
+ int size, rc = 0;
+ u8 status;
+ mm_segment_t old_fs;
+
+ old_fs = enable_sacf_uaccess();
+ while (n > 0) {
+ size = zpci_get_max_write_size((u64 __force) src,
+ (u64 __force) dst, n,
+ ZPCI_MAX_READ_SIZE);
+ rc = __pcilg_mio_inuser(dst, src, size, &status);
+ if (rc)
+ break;
+ src += size;
+ dst += size;
+ n -= size;
+ }
+ disable_sacf_uaccess(old_fs);
+ if (rc)
+ zpci_err_mmio(rc, status, (__force u64) dst);
+ return rc;
+}
+
SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
void __user *, user_buffer, size_t, length)
{
@@ -86,12 +280,27 @@ SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
return -EINVAL;
+
+ /*
+ * Only support write access to MIO capable devices on a MIO enabled
+ * system. Otherwise we would have to check for every address if it is
+ * a special ZPCI_ADDR and we would have to do a get_pfn() which we
+ * don't need for MIO capable devices.
+ */
+ if (static_branch_likely(&have_mio)) {
+ ret = __memcpy_fromio_inuser(
+ user_buffer, (const void __iomem *)mmio_addr,
+ length);
+ return ret;
+ }
+
if (length > 64) {
buf = kmalloc(length, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- } else
+ } else {
buf = local_buf;
+ }
ret = get_pfn(mmio_addr, VM_READ, &pfn);
if (ret)
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b4f0e37b83eb..0424b8f2f8d3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -9,7 +9,6 @@ config SUPERH
select CLKDEV_LOOKUP
select DMA_DECLARE_COHERENT
select HAVE_IDE if HAS_IOPORT_MAP
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_OPROFILE
select HAVE_ARCH_TRACEHOOK
select HAVE_PERF_EVENTS
@@ -71,7 +70,6 @@ config SUPERH32
select HAVE_FUNCTION_TRACER
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
- select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
select ARCH_WANT_IPC_PARSE_VERSION
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_ARCH_KGDB
diff --git a/arch/sh/include/asm/checksum_32.h b/arch/sh/include/asm/checksum_32.h
index 36b84cfd3f67..91571a42e44e 100644
--- a/arch/sh/include/asm/checksum_32.h
+++ b/arch/sh/include/asm/checksum_32.h
@@ -48,12 +48,17 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);
}
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
static inline
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+__wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
{
- return csum_partial_copy_generic((__force const void *)src, dst,
+ if (access_ok(src, len))
+ return csum_partial_copy_generic((__force const void *)src, dst,
len, sum, err_ptr, NULL);
+ if (len)
+ *err_ptr = -EFAULT;
+ return sum;
}
/*
diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h
index 6f025fe18146..ae4de7b89210 100644
--- a/arch/sh/include/asm/hugetlb.h
+++ b/arch/sh/include/asm/hugetlb.h
@@ -5,12 +5,6 @@
#include <asm/cacheflush.h>
#include <asm/page.h>
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
/*
* If the arch doesn't supply something else, assume that hugepage
* size aligned regions are ok without further preparation.
@@ -36,6 +30,7 @@ static inline void arch_clear_hugepage_flags(struct page *page)
{
clear_bit(PG_dcache_clean, &page->flags);
}
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
#include <asm-generic/hugetlb.h>
diff --git a/arch/sh/include/asm/module.h b/arch/sh/include/asm/module.h
index 9f38fb35fe96..337663a028db 100644
--- a/arch/sh/include/asm/module.h
+++ b/arch/sh/include/asm/module.h
@@ -11,32 +11,4 @@ struct mod_arch_specific {
};
#endif
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-# ifdef CONFIG_CPU_SH2
-# define MODULE_PROC_FAMILY "SH2LE "
-# elif defined CONFIG_CPU_SH3
-# define MODULE_PROC_FAMILY "SH3LE "
-# elif defined CONFIG_CPU_SH4
-# define MODULE_PROC_FAMILY "SH4LE "
-# elif defined CONFIG_CPU_SH5
-# define MODULE_PROC_FAMILY "SH5LE "
-# else
-# error unknown processor family
-# endif
-#else
-# ifdef CONFIG_CPU_SH2
-# define MODULE_PROC_FAMILY "SH2BE "
-# elif defined CONFIG_CPU_SH3
-# define MODULE_PROC_FAMILY "SH3BE "
-# elif defined CONFIG_CPU_SH4
-# define MODULE_PROC_FAMILY "SH4BE "
-# elif defined CONFIG_CPU_SH5
-# define MODULE_PROC_FAMILY "SH5BE "
-# else
-# error unknown processor family
-# endif
-#endif
-
-#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
-
#endif /* _ASM_SH_MODULE_H */
diff --git a/arch/sh/include/asm/vermagic.h b/arch/sh/include/asm/vermagic.h
new file mode 100644
index 000000000000..13d8eaa9188e
--- /dev/null
+++ b/arch/sh/include/asm/vermagic.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+# ifdef CONFIG_CPU_SH2
+# define MODULE_PROC_FAMILY "SH2LE "
+# elif defined CONFIG_CPU_SH3
+# define MODULE_PROC_FAMILY "SH3LE "
+# elif defined CONFIG_CPU_SH4
+# define MODULE_PROC_FAMILY "SH4LE "
+# elif defined CONFIG_CPU_SH5
+# define MODULE_PROC_FAMILY "SH5LE "
+# else
+# error unknown processor family
+# endif
+#else
+# ifdef CONFIG_CPU_SH2
+# define MODULE_PROC_FAMILY "SH2BE "
+# elif defined CONFIG_CPU_SH3
+# define MODULE_PROC_FAMILY "SH3BE "
+# elif defined CONFIG_CPU_SH4
+# define MODULE_PROC_FAMILY "SH4BE "
+# elif defined CONFIG_CPU_SH5
+# define MODULE_PROC_FAMILY "SH5BE "
+# else
+# error unknown processor family
+# endif
+#endif
+
+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/sh/include/uapi/asm/sockios.h b/arch/sh/include/uapi/asm/sockios.h
index 3da561453260..ef01ced9e169 100644
--- a/arch/sh/include/uapi/asm/sockios.h
+++ b/arch/sh/include/uapi/asm/sockios.h
@@ -2,6 +2,8 @@
#ifndef __ASM_SH_SOCKIOS_H
#define __ASM_SH_SOCKIOS_H
+#include <linux/time_types.h>
+
/* Socket-level I/O control calls. */
#define FIOGETOWN _IOR('f', 123, int)
#define FIOSETOWN _IOW('f', 124, int)
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index 934ff84844fa..d432164b23b7 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -103,7 +103,8 @@ static int __sq_remap(struct sq_mapping *map, pgprot_t prot)
#if defined(CONFIG_MMU)
struct vm_struct *vma;
- vma = __get_vm_area(map->size, VM_ALLOC, map->sq_addr, SQ_ADDRMAX);
+ vma = __get_vm_area_caller(map->size, VM_ALLOC, map->sq_addr,
+ SQ_ADDRMAX, __builtin_return_address(0));
if (!vma)
return -ENOMEM;
diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl
index c7a30fcd135f..acc35daa1b79 100644
--- a/arch/sh/kernel/syscalls/syscall.tbl
+++ b/arch/sh/kernel/syscalls/syscall.tbl
@@ -440,3 +440,4 @@
# 435 reserved for clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index 63cf17bc760d..2130381c9d57 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -170,11 +170,21 @@ BUILD_TRAP_HANDLER(bug)
force_sig(SIGTRAP);
}
+#ifdef CONFIG_DYNAMIC_FTRACE
+extern void arch_ftrace_nmi_enter(void);
+extern void arch_ftrace_nmi_exit(void);
+#else
+static inline void arch_ftrace_nmi_enter(void) { }
+static inline void arch_ftrace_nmi_exit(void) { }
+#endif
+
BUILD_TRAP_HANDLER(nmi)
{
unsigned int cpu = smp_processor_id();
TRAP_HANDLER_DECL;
+ arch_ftrace_nmi_enter();
+
nmi_enter();
nmi_count(cpu)++;
@@ -190,4 +200,6 @@ BUILD_TRAP_HANDLER(nmi)
}
nmi_exit();
+
+ arch_ftrace_nmi_exit();
}
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index b9de2d4fa57e..628f461b8993 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -334,7 +334,7 @@ void __init paging_init(void)
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
unsigned int mem_init_done = 0;
@@ -412,7 +412,7 @@ int arch_add_memory(int nid, u64 start, u64 size,
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
- if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot)
+ if (WARN_ON_ONCE(params->pgprot.pgprot != PAGE_KERNEL.pgprot))
return -EINVAL;
/* We only have ZONE_NORMAL, so this is easy.. */
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index da515fdad83d..0e4f3891b904 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -65,7 +65,6 @@ config SPARC64
select HAVE_KRETPROBES
select HAVE_KPROBES
select MMU_GATHER_RCU_TABLE_FREE if SMP
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
@@ -287,15 +286,6 @@ config NODES_SHIFT
Specify the maximum number of NUMA Nodes available on the target
system. Increases memory reserved to accommodate various tables.
-# Some NUMA nodes have memory ranges that span
-# other nodes. Even though a pfn is valid and
-# between a node's start and end pfns, it may not
-# reside on that node. See memmap_init_zone()
-# for details.
-config NODES_SPAN_OTHER_NODES
- def_bool y
- depends on NEED_MULTIPLE_NODES
-
config ARCH_SPARSEMEM_ENABLE
def_bool y if SPARC64
select SPARSEMEM_VMEMMAP_ENABLE
diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c
index 14f6c15be6ae..111283fe837e 100644
--- a/arch/sparc/crypto/md5_glue.c
+++ b/arch/sparc/crypto/md5_glue.c
@@ -18,7 +18,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/md5.h>
diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c
index 7c1666304441..dc017782be52 100644
--- a/arch/sparc/crypto/sha1_glue.c
+++ b/arch/sparc/crypto/sha1_glue.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c
index f403ce9ba6e4..286bc8ecf15b 100644
--- a/arch/sparc/crypto/sha256_glue.c
+++ b/arch/sparc/crypto/sha256_glue.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c
index a3b532e43c07..3b2ca732ff7a 100644
--- a/arch/sparc/crypto/sha512_glue.c
+++ b/arch/sparc/crypto/sha512_glue.c
@@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/include/asm/checksum.h b/arch/sparc/include/asm/checksum.h
index c3be56e2e768..a6256cb6fc5c 100644
--- a/arch/sparc/include/asm/checksum.h
+++ b/arch/sparc/include/asm/checksum.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___ASM_SPARC_CHECKSUM_H
#define ___ASM_SPARC_CHECKSUM_H
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
#if defined(__sparc__) && defined(__arch64__)
#include <asm/checksum_64.h>
#else
diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h
index 5fc98d80b03b..479a0b812af5 100644
--- a/arch/sparc/include/asm/checksum_32.h
+++ b/arch/sparc/include/asm/checksum_32.h
@@ -60,7 +60,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
}
static inline __wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
+csum_and_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *err)
{
register unsigned long ret asm("o0") = (unsigned long)src;
@@ -68,6 +68,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
+ if (unlikely(!access_ok(src, len))) {
+ if (len)
+ *err = -EFAULT;
+ return sum;
+ }
+
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
@@ -83,8 +89,10 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
return (__force __wsum)ret;
}
+#define HAVE_CSUM_COPY_USER
+
static inline __wsum
-csum_partial_copy_to_user(const void *src, void __user *dst, int len,
+csum_and_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err)
{
if (!access_ok(dst, len)) {
@@ -113,9 +121,6 @@ csum_partial_copy_to_user(const void *src, void __user *dst, int len,
}
}
-#define HAVE_CSUM_COPY_USER
-#define csum_and_copy_to_user csum_partial_copy_to_user
-
/* ihl is always 5 or greater, almost always is 5, and iph is word aligned
* the majority of the time.
*/
diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h
index e52450930e4e..0fa4433f5662 100644
--- a/arch/sparc/include/asm/checksum_64.h
+++ b/arch/sparc/include/asm/checksum_64.h
@@ -46,7 +46,7 @@ long __csum_partial_copy_from_user(const void __user *src,
__wsum sum);
static inline __wsum
-csum_partial_copy_from_user(const void __user *src,
+csum_and_copy_from_user(const void __user *src,
void *dst, int len,
__wsum sum, int *err)
{
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index b519acf4383d..946dbcbf3a83 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -59,8 +59,8 @@ struct sun_floppy_ops {
static struct sun_floppy_ops sun_fdops;
-#define fd_inb(port) sun_fdops.fd_inb(port)
-#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
+#define fd_inb(base, reg) sun_fdops.fd_inb(reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, reg)
#define fd_enable_dma() sun_fd_enable_dma()
#define fd_disable_dma() sun_fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -114,15 +114,15 @@ static unsigned char sun_read_dir(void)
static unsigned char sun_82072_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82072 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82072;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82072_fd_inb: How did I get here?");
@@ -131,20 +131,20 @@ static unsigned char sun_82072_fd_inb(int port)
static void sun_82072_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 0);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82072 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82072 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82072 = value;
break;
}
@@ -154,23 +154,23 @@ static void sun_82072_fd_outb(unsigned char value, int port)
static unsigned char sun_82077_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 0: /* FD_STATUS_0 */
+ case FD_SRA:
return sun_fdc->status1_82077;
- case 1: /* FD_STATUS_1 */
+ case FD_SRB:
return sun_fdc->status2_82077;
- case 2: /* FD_DOR */
+ case FD_DOR:
return sun_fdc->dor_82077;
- case 3: /* FD_TDR */
+ case FD_TDR:
return sun_fdc->tapectl_82077;
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82077 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82077;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82077_fd_inb: How did I get here?");
@@ -179,23 +179,23 @@ static unsigned char sun_82077_fd_inb(int port)
static void sun_82077_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 1);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82077 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82077 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82077 = value;
break;
- case 3: /* FD_TDR */
+ case FD_TDR:
sun_fdc->tapectl_82077 = value;
break;
}
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 3729fc35ba83..070c8c1f5c8f 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -47,8 +47,9 @@ unsigned long fdc_status;
static struct platform_device *floppy_op = NULL;
struct sun_floppy_ops {
- unsigned char (*fd_inb) (unsigned long port);
- void (*fd_outb) (unsigned char value, unsigned long port);
+ unsigned char (*fd_inb) (unsigned long port, unsigned int reg);
+ void (*fd_outb) (unsigned char value, unsigned long base,
+ unsigned int reg);
void (*fd_enable_dma) (void);
void (*fd_disable_dma) (void);
void (*fd_set_dma_mode) (int);
@@ -62,8 +63,8 @@ struct sun_floppy_ops {
static struct sun_floppy_ops sun_fdops;
-#define fd_inb(port) sun_fdops.fd_inb(port)
-#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
+#define fd_inb(base, reg) sun_fdops.fd_inb(base, reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, base, reg)
#define fd_enable_dma() sun_fdops.fd_enable_dma()
#define fd_disable_dma() sun_fdops.fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -97,42 +98,43 @@ static int sun_floppy_types[2] = { 0, 0 };
/* No 64k boundary crossing problems on the Sparc. */
#define CROSS_64KB(a,s) (0)
-static unsigned char sun_82077_fd_inb(unsigned long port)
+static unsigned char sun_82077_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to read unknown port %lx\n", port);
+ printk("floppy: Asked to read unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sbus_readb(&sun_fdc->data_82077);
- case 7: /* FD_DIR */
+ case FD_DIR:
/* XXX: Is DCL on 0x80 in sun4m? */
return sbus_readb(&sun_fdc->dir_82077);
}
panic("sun_82072_fd_inb: How did I get here?");
}
-static void sun_82077_fd_outb(unsigned char value, unsigned long port)
+static void sun_82077_fd_outb(unsigned char value, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to write to unknown port %lx\n", port);
+ printk("floppy: Asked to write to unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
/* Happily, the 82077 has a real DOR register. */
sbus_writeb(value, &sun_fdc->dor_82077);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sbus_writeb(value, &sun_fdc->data_82077);
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sbus_writeb(value, &sun_fdc->dcr_82077);
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sbus_writeb(value, &sun_fdc->status_82077);
break;
}
@@ -298,19 +300,21 @@ static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL};
irqreturn_t floppy_interrupt(int irq, void *dev_id);
-static unsigned char sun_pci_fd_inb(unsigned long port)
+static unsigned char sun_pci_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- return inb(port);
+ return inb(base + reg);
}
-static void sun_pci_fd_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- outb(val, port);
+ outb(val, base + reg);
}
-static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -320,16 +324,17 @@ static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) {
val |= 0x10;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#ifdef PCI_FDC_SWAP_DRIVES
-static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -339,13 +344,13 @@ static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) {
val &= ~(0x03);
val |= 0x21;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#endif /* PCI_FDC_SWAP_DRIVES */
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 3963f80d1cb3..53838a173f62 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -20,12 +20,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
@@ -53,10 +47,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f13615ecdecc..8004a276cb74 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -483,3 +483,4 @@
# 435 reserved for clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index 906eda1158b4..3cb3dffcbcdc 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -193,6 +193,7 @@ unsigned long __init bootmem_init(unsigned long *pages_avail)
/* Reserve the kernel text/data/bss. */
size = (start_pfn << PAGE_SHIFT) - phys_base;
memblock_reserve(phys_base, size);
+ memblock_add(phys_base, size);
size = memblock_phys_mem_size() - memblock_reserved_size();
*pages_avail = (size >> PAGE_SHIFT) - high_pages;
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 1cf0d666dea3..5774529ceb43 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -325,23 +325,12 @@ static void __update_mmu_tsb_insert(struct mm_struct *mm, unsigned long tsb_inde
}
#ifdef CONFIG_HUGETLB_PAGE
-static void __init add_huge_page_size(unsigned long size)
-{
- unsigned int order;
-
- if (size_to_hstate(size))
- return;
-
- order = ilog2(size) - PAGE_SHIFT;
- hugetlb_add_hstate(order);
-}
-
static int __init hugetlbpage_init(void)
{
- add_huge_page_size(1UL << HPAGE_64K_SHIFT);
- add_huge_page_size(1UL << HPAGE_SHIFT);
- add_huge_page_size(1UL << HPAGE_256MB_SHIFT);
- add_huge_page_size(1UL << HPAGE_2GB_SHIFT);
+ hugetlb_add_hstate(HPAGE_64K_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_256MB_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_2GB_SHIFT - PAGE_SHIFT);
return 0;
}
@@ -360,16 +349,11 @@ static void __init pud_huge_patch(void)
__asm__ __volatile__("flush %0" : : "r" (addr));
}
-static int __init setup_hugepagesz(char *string)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long long hugepage_size;
- unsigned int hugepage_shift;
+ unsigned int hugepage_shift = ilog2(size);
unsigned short hv_pgsz_idx;
unsigned int hv_pgsz_mask;
- int rc = 0;
-
- hugepage_size = memparse(string, &string);
- hugepage_shift = ilog2(hugepage_size);
switch (hugepage_shift) {
case HPAGE_16GB_SHIFT:
@@ -397,20 +381,11 @@ static int __init setup_hugepagesz(char *string)
hv_pgsz_mask = 0;
}
- if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U) {
- hugetlb_bad_size();
- pr_err("hugepagesz=%llu not supported by MMU.\n",
- hugepage_size);
- goto out;
- }
+ if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U)
+ return false;
- add_huge_page_size(hugepage_size);
- rc = 1;
-
-out:
- return rc;
+ return true;
}
-__setup("hugepagesz=", setup_hugepagesz);
#endif /* CONFIG_HUGETLB_PAGE */
void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
@@ -2488,7 +2463,7 @@ void __init paging_init(void)
max_zone_pfns[ZONE_NORMAL] = end_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
printk("Booting Linux...\n");
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index b7c94de70cca..7c2278dd308d 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -331,9 +331,9 @@ static void __init srmmu_nocache_init(void)
while (vaddr < srmmu_nocache_end) {
pgd = pgd_offset_k(vaddr);
- p4d = p4d_offset(__nocache_fix(pgd), vaddr);
- pud = pud_offset(__nocache_fix(p4d), vaddr);
- pmd = pmd_offset(__nocache_fix(pgd), vaddr);
+ p4d = p4d_offset(pgd, vaddr);
+ pud = pud_offset(p4d, vaddr);
+ pmd = pmd_offset(__nocache_fix(pud), vaddr);
pte = pte_offset_kernel(__nocache_fix(pmd), vaddr);
pteval = ((paddr >> 4) | SRMMU_ET_PTE | SRMMU_PRIV);
@@ -1008,24 +1008,13 @@ void __init srmmu_paging_init(void)
kmap_init();
{
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zholes_size[MAX_NR_ZONES];
- unsigned long npages;
- int znum;
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
- for (znum = 0; znum < MAX_NR_ZONES; znum++)
- zones_size[znum] = zholes_size[znum] = 0;
+ max_zone_pfn[ZONE_DMA] = max_low_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfn[ZONE_HIGHMEM] = highend_pfn;
- npages = max_low_pfn - pfn_base;
-
- zones_size[ZONE_DMA] = npages;
- zholes_size[ZONE_DMA] = npages - pages_avail;
-
- npages = highend_pfn - max_low_pfn;
- zones_size[ZONE_HIGHMEM] = npages;
- zholes_size[ZONE_HIGHMEM] = npages - calc_highpages();
-
- free_area_init_node(0, zones_size, pfn_base, zholes_size);
+ free_area_init(max_zone_pfn);
}
}
diff --git a/arch/um/Makefile b/arch/um/Makefile
index d2daa206872d..275f5ffdf6f0 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -140,6 +140,7 @@ export CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS) $(LD_FLAGS_CMDLINE)
# When cleaning we don't include .config, so we don't include
# TT or skas makefiles and don't clean skas_ptregs.h.
CLEAN_FILES += linux x.i gmon.out
+MRPROPER_DIRS += arch/$(SUBARCH)/include/generated
archclean:
@find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
diff --git a/arch/um/drivers/vector_user.h b/arch/um/drivers/vector_user.h
index 91f35b266aba..d29d5fdd98fa 100644
--- a/arch/um/drivers/vector_user.h
+++ b/arch/um/drivers/vector_user.h
@@ -17,7 +17,7 @@
#define TRANS_TAP_LEN strlen(TRANS_TAP)
#define TRANS_GRE "gre"
-#define TRANS_GRE_LEN strlen(TRANS_RAW)
+#define TRANS_GRE_LEN strlen(TRANS_GRE)
#define TRANS_L2TPV3 "l2tpv3"
#define TRANS_L2TPV3_LEN strlen(TRANS_L2TPV3)
diff --git a/arch/um/include/asm/xor.h b/arch/um/include/asm/xor.h
index 7a3208c47cfc..36b33d62a35d 100644
--- a/arch/um/include/asm/xor.h
+++ b/arch/um/include/asm/xor.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
#include <asm-generic/xor.h>
-#include <shared/timer-internal.h>
+#include <linux/time-internal.h>
/* pick an arbitrary one - measuring isn't possible with inf-cpu */
#define XOR_SELECT_TEMPLATE(x) \
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 30885d0b94ac..401b22f14743 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -158,8 +158,8 @@ static void __init fixaddr_user_init( void)
void __init paging_init(void)
{
- unsigned long zones_size[MAX_NR_ZONES], vaddr;
- int i;
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
+ unsigned long vaddr;
empty_zero_page = (unsigned long *) memblock_alloc_low(PAGE_SIZE,
PAGE_SIZE);
@@ -167,12 +167,8 @@ void __init paging_init(void)
panic("%s: Failed to allocate %lu bytes align=%lx\n",
__func__, PAGE_SIZE, PAGE_SIZE);
- for (i = 0; i < ARRAY_SIZE(zones_size); i++)
- zones_size[i] = 0;
-
- zones_size[ZONE_NORMAL] = (end_iomem >> PAGE_SHIFT) -
- (uml_physmem >> PAGE_SHIFT);
- free_area_init(zones_size);
+ max_zone_pfn[ZONE_NORMAL] = end_iomem >> PAGE_SHIFT;
+ free_area_init(max_zone_pfn);
/*
* Fixed mappings, only the page table structure has to be
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index 0a12d5a09217..3d91f89fd852 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -11,6 +11,7 @@
#include <sysdep/ptrace_user.h>
#include <sysdep/syscalls.h>
#include <linux/time-internal.h>
+#include <asm/unistd.h>
void handle_syscall(struct uml_pt_regs *r)
{
diff --git a/arch/unicore32/include/asm/memory.h b/arch/unicore32/include/asm/memory.h
index 23c93105f98f..66285178dd9b 100644
--- a/arch/unicore32/include/asm/memory.h
+++ b/arch/unicore32/include/asm/memory.h
@@ -60,7 +60,7 @@
#ifndef __ASSEMBLY__
#ifndef arch_adjust_zones
-#define arch_adjust_zones(size, holes) do { } while (0)
+#define arch_adjust_zones(max_zone_pfn) do { } while (0)
#endif
/*
diff --git a/arch/unicore32/include/mach/memory.h b/arch/unicore32/include/mach/memory.h
index 2b527cedd03d..b4e6035cb9a3 100644
--- a/arch/unicore32/include/mach/memory.h
+++ b/arch/unicore32/include/mach/memory.h
@@ -25,10 +25,10 @@
#if !defined(__ASSEMBLY__) && defined(CONFIG_PCI)
-void puv3_pci_adjust_zones(unsigned long *size, unsigned long *holes);
+void puv3_pci_adjust_zones(unsigned long *max_zone_pfn);
-#define arch_adjust_zones(size, holes) \
- puv3_pci_adjust_zones(size, holes)
+#define arch_adjust_zones(max_zone_pfn) \
+ puv3_pci_adjust_zones(max_zone_pfn)
#endif
diff --git a/arch/unicore32/kernel/ksyms.c b/arch/unicore32/kernel/ksyms.c
index f4b84872d640..731445008932 100644
--- a/arch/unicore32/kernel/ksyms.c
+++ b/arch/unicore32/kernel/ksyms.c
@@ -9,7 +9,6 @@
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/string.h>
-#include <linux/cryptohash.h>
#include <linux/delay.h>
#include <linux/in6.h>
#include <linux/syscalls.h>
diff --git a/arch/unicore32/kernel/pci.c b/arch/unicore32/kernel/pci.c
index efa04a94dcdb..0d098aa05b47 100644
--- a/arch/unicore32/kernel/pci.c
+++ b/arch/unicore32/kernel/pci.c
@@ -133,21 +133,11 @@ static int pci_puv3_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
* This is really ugly and we need a better way of specifying
* DMA-capable regions of memory.
*/
-void __init puv3_pci_adjust_zones(unsigned long *zone_size,
- unsigned long *zhole_size)
+void __init puv3_pci_adjust_zones(unsigned long max_zone_pfn)
{
unsigned int sz = SZ_128M >> PAGE_SHIFT;
- /*
- * Only adjust if > 128M on current system
- */
- if (zone_size[0] <= sz)
- return;
-
- zone_size[1] = zone_size[0] - sz;
- zone_size[0] = sz;
- zhole_size[1] = zhole_size[0];
- zhole_size[0] = 0;
+ max_zone_pfn[ZONE_DMA] = sz;
}
/*
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 6cf010fadc7a..52425d383cea 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -61,46 +61,21 @@ static void __init find_limits(unsigned long *min, unsigned long *max_low,
}
}
-static void __init uc32_bootmem_free(unsigned long min, unsigned long max_low,
- unsigned long max_high)
+static void __init uc32_bootmem_free(unsigned long max_low)
{
- unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES];
- struct memblock_region *reg;
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
- /*
- * initialise the zones.
- */
- memset(zone_size, 0, sizeof(zone_size));
-
- /*
- * The memory size has already been determined. If we need
- * to do anything fancy with the allocation of this memory
- * to the zones, now is the time to do it.
- */
- zone_size[0] = max_low - min;
-
- /*
- * Calculate the size of the holes.
- * holes = node_size - sum(bank_sizes)
- */
- memcpy(zhole_size, zone_size, sizeof(zhole_size));
- for_each_memblock(memory, reg) {
- unsigned long start = memblock_region_memory_base_pfn(reg);
- unsigned long end = memblock_region_memory_end_pfn(reg);
-
- if (start < max_low) {
- unsigned long low_end = min(end, max_low);
- zhole_size[0] -= low_end - start;
- }
- }
+ max_zone_pfn[ZONE_DMA] = max_low;
+ max_zone_pfn[ZONE_NORMAL] = max_low;
/*
* Adjust the sizes according to any special requirements for
* this machine type.
+ * This might lower ZONE_DMA limit.
*/
- arch_adjust_zones(zone_size, zhole_size);
+ arch_adjust_zones(max_zone_pfn);
- free_area_init_node(0, zone_size, min, zhole_size);
+ free_area_init(max_zone_pfn);
}
int pfn_valid(unsigned long pfn)
@@ -176,11 +151,11 @@ void __init bootmem_init(void)
sparse_init();
/*
- * Now free the memory - free_area_init_node needs
+ * Now free the memory - free_area_init needs
* the sparse mem_map arrays initialized by sparse_init()
* for memmap_init_zone(), otherwise all PFNs are invalid.
*/
- uc32_bootmem_free(min, max_low, max_high);
+ uc32_bootmem_free(max_low);
high_memory = __va((max_low << PAGE_SHIFT) - 1) + 1;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1d6104ea8af0..57d1c4e36738 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -60,6 +60,7 @@ config X86
select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_DEBUG_VIRTUAL
select ARCH_HAS_DEVMEM_IS_ALLOWED
+ select ARCH_HAS_EARLY_DEBUG if KGDB
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_FAST_MULTIPLIER
select ARCH_HAS_FILTER_PGPROT
@@ -68,6 +69,7 @@ config X86
select ARCH_HAS_KCOV if X86_64
select ARCH_HAS_MEM_ENCRYPT
select ARCH_HAS_MEMBARRIER_SYNC_CORE
+ select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_PTE_DEVMAP if X86_64
select ARCH_HAS_PTE_SPECIAL
@@ -80,6 +82,7 @@ config X86
select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
select ARCH_HAS_SYSCALL_WRAPPER
select ARCH_HAS_UBSAN_SANITIZE_ALL
+ select ARCH_HAS_DEBUG_WX
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_MIGHT_HAVE_PC_PARPORT
@@ -91,6 +94,7 @@ config X86
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
+ select ARCH_USE_SYM_ANNOTATIONS
select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
select ARCH_WANT_DEFAULT_BPF_JIT if X86_64
select ARCH_WANTS_DYNAMIC_TASK_STRUCT
@@ -149,7 +153,7 @@ config X86
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if X86_64
- select HAVE_ARCH_USERFAULTFD_WP if USERFAULTFD
+ select HAVE_ARCH_USERFAULTFD_WP if X86_64 && USERFAULTFD
select HAVE_ARCH_VMAP_STACK if X86_64
select HAVE_ARCH_WITHIN_STACK_FRAMES
select HAVE_ASM_MODVERSIONS
@@ -190,7 +194,6 @@ config X86
select HAVE_KRETPROBES
select HAVE_KVM
select HAVE_LIVEPATCH if X86_64
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_MIXED_BREAKPOINTS_REGS
select HAVE_MOD_ARCH_SPECIFIC
select HAVE_MOVE_PMD
@@ -595,7 +598,7 @@ config X86_INTEL_MID
select I2C
select DW_APB_TIMER
select APB_TIMER
- select INTEL_SCU_IPC
+ select INTEL_SCU_PCI
select MFD_INTEL_MSIC
---help---
Select to build a kernel capable of supporting Intel MID (Mobile
@@ -1582,15 +1585,6 @@ config X86_64_ACPI_NUMA
---help---
Enable ACPI SRAT based node topology detection.
-# Some NUMA nodes have memory ranges that span
-# other nodes. Even though a pfn is valid and
-# between a node's start and end pfns, it may not
-# reside on that node. See memmap_init_zone()
-# for details.
-config NODES_SPAN_OTHER_NODES
- def_bool y
- depends on X86_64_ACPI_NUMA
-
config NUMA_EMU
bool "NUMA emulation"
depends on NUMA
@@ -1610,19 +1604,10 @@ config NODES_SHIFT
Specify the maximum number of NUMA Nodes available on the target
system. Increases memory reserved to accommodate various tables.
-config ARCH_HAVE_MEMORY_PRESENT
- def_bool y
- depends on X86_32 && DISCONTIGMEM
-
config ARCH_FLATMEM_ENABLE
def_bool y
depends on X86_32 && !NUMA
-config ARCH_DISCONTIGMEM_ENABLE
- def_bool n
- depends on NUMA && X86_32
- depends on BROKEN
-
config ARCH_SPARSEMEM_ENABLE
def_bool y
depends on X86_64 || NUMA || X86_32 || X86_32_NON_STANDARD
@@ -1887,10 +1872,10 @@ config X86_UMIP
results are dummy.
config X86_INTEL_MEMORY_PROTECTION_KEYS
- prompt "Intel Memory Protection Keys"
+ prompt "Memory Protection Keys"
def_bool y
# Note: only available in 64-bit mode
- depends on CPU_SUP_INTEL && X86_64
+ depends on X86_64 && (CPU_SUP_INTEL || CPU_SUP_AMD)
select ARCH_USES_HIGH_VMA_FLAGS
select ARCH_HAS_PKEYS
---help---
diff --git a/arch/x86/Kconfig.assembler b/arch/x86/Kconfig.assembler
index 13de0db38d4e..26b8c08e2fc4 100644
--- a/arch/x86/Kconfig.assembler
+++ b/arch/x86/Kconfig.assembler
@@ -15,3 +15,7 @@ config AS_SHA256_NI
def_bool $(as-instr,sha256msg1 %xmm0$(comma)%xmm1)
help
Supported by binutils >= 2.24 and LLVM integrated assembler
+config AS_TPAUSE
+ def_bool $(as-instr,tpause %ecx)
+ help
+ Supported by binutils >= 2.31.1 and LLVM integrated assembler >= V7
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 2e74690b028a..fdf1431ac8c2 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -72,42 +72,6 @@ config EFI_PGT_DUMP
issues with the mapping of the EFI runtime regions into that
table.
-config DEBUG_WX
- bool "Warn on W+X mappings at boot"
- select PTDUMP_CORE
- ---help---
- Generate a warning if any W+X mappings are found at boot.
-
- This is useful for discovering cases where the kernel is leaving
- W+X mappings after applying NX, as such mappings are a security risk.
-
- Look for a message in dmesg output like this:
-
- x86/mm: Checked W+X mappings: passed, no W+X pages found.
-
- or like this, if the check failed:
-
- x86/mm: Checked W+X mappings: FAILED, <N> W+X pages found.
-
- Note that even if the check fails, your kernel is possibly
- still fine, as W+X mappings are not a security hole in
- themselves, what they do is that they make the exploitation
- of other unfixed kernel bugs easier.
-
- There is no runtime or memory usage effect of this option
- once the kernel has booted up - it's a one time check.
-
- If in doubt, say "Y".
-
-config DOUBLEFAULT
- default y
- bool "Enable doublefault exception handler" if EXPERT && X86_32
- ---help---
- This option allows trapping of rare doublefault exceptions that
- would otherwise cause a system to silently reboot. Disabling this
- option saves about 4k and might cause you much additional grey
- hair.
-
config DEBUG_TLBFLUSH
bool "Set upper limit of TLB entries to flush one-by-one"
depends on DEBUG_KERNEL
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index b65ec63c7db7..00e378de8bc0 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -246,7 +246,7 @@ drivers-$(CONFIG_FB) += arch/x86/video/
boot := arch/x86/boot
-BOOT_TARGETS = bzlilo bzdisk fdimage fdimage144 fdimage288 isoimage
+BOOT_TARGETS = bzdisk fdimage fdimage144 fdimage288 isoimage
PHONY += bzImage $(BOOT_TARGETS)
@@ -267,8 +267,8 @@ endif
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
-PHONY += install
-install:
+PHONY += install bzlilo
+install bzlilo:
$(Q)$(MAKE) $(build)=$(boot) $@
PHONY += vdso_install
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index e17be90ab312..4c5355684321 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -57,11 +57,10 @@ $(obj)/cpu.o: $(obj)/cpustr.h
quiet_cmd_cpustr = CPUSTR $@
cmd_cpustr = $(obj)/mkcpustr > $@
-targets += cpustr.h
$(obj)/cpustr.h: $(obj)/mkcpustr FORCE
$(call if_changed,cpustr)
endif
-clean-files += cpustr.h
+targets += cpustr.h
# ---------------------------------------------------------------------------
@@ -129,6 +128,8 @@ quiet_cmd_genimage = GENIMAGE $3
cmd_genimage = sh $(srctree)/$(src)/genimage.sh $2 $3 $(obj)/bzImage \
$(obj)/mtools.conf '$(image_cmdline)' $(FDINITRD)
+PHONY += bzdisk fdimage fdimage144 fdimage288 isoimage bzlilo install
+
# This requires write access to /dev/fd0
bzdisk: $(obj)/bzImage $(obj)/mtools.conf
$(call cmd,genimage,bzdisk,/dev/fd0)
@@ -146,7 +147,7 @@ isoimage: $(obj)/bzImage
$(call cmd,genimage,isoimage,$(obj)/image.iso)
@$(kecho) 'Kernel: $(obj)/image.iso is ready'
-bzlilo: $(obj)/bzImage
+bzlilo:
if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
cat $(obj)/bzImage > $(INSTALL_PATH)/vmlinuz
diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c
index ef2ad7253cd5..8bcbcee54aa1 100644
--- a/arch/x86/boot/compressed/acpi.c
+++ b/arch/x86/boot/compressed/acpi.c
@@ -280,9 +280,9 @@ acpi_physical_address get_rsdp_addr(void)
*/
#define MAX_ADDR_LEN 19
-static acpi_physical_address get_cmdline_acpi_rsdp(void)
+static unsigned long get_cmdline_acpi_rsdp(void)
{
- acpi_physical_address addr = 0;
+ unsigned long addr = 0;
#ifdef CONFIG_KEXEC
char val[MAX_ADDR_LEN] = { };
@@ -292,7 +292,7 @@ static acpi_physical_address get_cmdline_acpi_rsdp(void)
if (ret < 0)
return 0;
- if (kstrtoull(val, 16, &addr))
+ if (boot_kstrtoul(val, 16, &addr))
return 0;
#endif
return addr;
@@ -314,7 +314,6 @@ static unsigned long get_acpi_srat_table(void)
* different ideas about whether to trust a command-line parameter.
*/
rsdp = (struct acpi_table_rsdp *)get_cmdline_acpi_rsdp();
-
if (!rsdp)
rsdp = (struct acpi_table_rsdp *)(long)
boot_params->acpi_rsdp_addr;
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S
index 2b2049259619..c4bb0f9363f5 100644
--- a/arch/x86/boot/compressed/efi_thunk_64.S
+++ b/arch/x86/boot/compressed/efi_thunk_64.S
@@ -28,8 +28,6 @@ SYM_FUNC_START(__efi64_thunk)
push %rbx
leaq 1f(%rip), %rbp
- leaq efi_gdt64(%rip), %rbx
- movl %ebx, 2(%rbx) /* Fixup the gdt base address */
movl %ds, %eax
push %rax
@@ -48,7 +46,8 @@ SYM_FUNC_START(__efi64_thunk)
movl %r8d, 0xc(%rsp)
movl %r9d, 0x10(%rsp)
- sgdt 0x14(%rsp)
+ leaq 0x14(%rsp), %rbx
+ sgdt (%rbx)
/*
* Switch to gdt with 32-bit segments. This is the firmware GDT
@@ -68,8 +67,7 @@ SYM_FUNC_START(__efi64_thunk)
pushq %rax
lretq
-1: lgdt 0x14(%rsp)
- addq $32, %rsp
+1: addq $32, %rsp
movq %rdi, %rax
pop %rbx
@@ -175,14 +173,3 @@ SYM_DATA_END(efi32_boot_cs)
SYM_DATA_START(efi32_boot_ds)
.word 0
SYM_DATA_END(efi32_boot_ds)
-
-SYM_DATA_START(efi_gdt64)
- .word efi_gdt64_end - efi_gdt64
- .long 0 /* Filled out by user */
- .word 0
- .quad 0x0000000000000000 /* NULL descriptor */
- .quad 0x00af9a000000ffff /* __KERNEL_CS */
- .quad 0x00cf92000000ffff /* __KERNEL_DS */
- .quad 0x0080890000000000 /* TS descriptor */
- .quad 0x0000000000000000 /* TS continued */
-SYM_DATA_END_LABEL(efi_gdt64, SYM_L_LOCAL, efi_gdt64_end)
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index ab3307036ba4..03557f2174bf 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -49,16 +49,17 @@
* Position Independent Executable (PIE) so that linker won't optimize
* R_386_GOT32X relocation to its fixed symbol address. Older
* linkers generate R_386_32 relocations against locally defined symbols,
- * _bss, _ebss, _got and _egot, in PIE. It isn't wrong, just less
+ * _bss, _ebss, _got, _egot and _end, in PIE. It isn't wrong, just less
* optimal than R_386_RELATIVE. But the x86 kernel fails to properly handle
* R_386_32 relocations when relocating the kernel. To generate
- * R_386_RELATIVE relocations, we mark _bss, _ebss, _got and _egot as
+ * R_386_RELATIVE relocations, we mark _bss, _ebss, _got, _egot and _end as
* hidden:
*/
.hidden _bss
.hidden _ebss
.hidden _got
.hidden _egot
+ .hidden _end
__HEAD
SYM_FUNC_START(startup_32)
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 4f7e6b84be07..e821a7d7d5c4 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -42,6 +42,7 @@
.hidden _ebss
.hidden _got
.hidden _egot
+ .hidden _end
__HEAD
.code32
@@ -393,6 +394,14 @@ SYM_CODE_START(startup_64)
addq %rax, 2(%rax)
lgdt (%rax)
+ /* Reload CS so IRET returns to a CS actually in the GDT */
+ pushq $__KERNEL_CS
+ leaq .Lon_kernel_cs(%rip), %rax
+ pushq %rax
+ lretq
+
+.Lon_kernel_cs:
+
/*
* paging_prepare() sets up the trampoline and checks if we need to
* enable 5-level paging.
diff --git a/arch/x86/boot/compressed/vmlinux.lds.S b/arch/x86/boot/compressed/vmlinux.lds.S
index 508cfa6828c5..8f1025d1f681 100644
--- a/arch/x86/boot/compressed/vmlinux.lds.S
+++ b/arch/x86/boot/compressed/vmlinux.lds.S
@@ -52,6 +52,7 @@ SECTIONS
_data = . ;
*(.data)
*(.data.*)
+ *(.bss.efistub)
_edata = . ;
}
. = ALIGN(L1_CACHE_BYTES);
@@ -73,4 +74,6 @@ SECTIONS
#endif
. = ALIGN(PAGE_SIZE); /* keep ZO size page aligned */
_end = .;
+
+ DISCARDS
}
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 8272a4492844..8a3fff9128bb 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -117,7 +117,6 @@ static unsigned int simple_guess_base(const char *cp)
* @endp: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*/
-
unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base)
{
unsigned long long result = 0;
@@ -335,3 +334,45 @@ int kstrtoull(const char *s, unsigned int base, unsigned long long *res)
s++;
return _kstrtoull(s, base, res);
}
+
+static int _kstrtoul(const char *s, unsigned int base, unsigned long *res)
+{
+ unsigned long long tmp;
+ int rv;
+
+ rv = kstrtoull(s, base, &tmp);
+ if (rv < 0)
+ return rv;
+ if (tmp != (unsigned long)tmp)
+ return -ERANGE;
+ *res = tmp;
+ return 0;
+}
+
+/**
+ * kstrtoul - convert a string to an unsigned long
+ * @s: The start of the string. The string must be null-terminated, and may also
+ * include a single newline before its terminating null. The first character
+ * may also be a plus sign, but not a minus sign.
+ * @base: The number base to use. The maximum supported base is 16. If base is
+ * given as 0, then the base of the string is automatically detected with the
+ * conventional semantics - If it begins with 0x the number will be parsed as a
+ * hexadecimal (case insensitive), if it otherwise begins with 0, it will be
+ * parsed as an octal number. Otherwise it will be parsed as a decimal.
+ * @res: Where to write the result of the conversion on success.
+ *
+ * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error.
+ * Used as a replacement for the simple_strtoull.
+ */
+int boot_kstrtoul(const char *s, unsigned int base, unsigned long *res)
+{
+ /*
+ * We want to shortcut function call, but
+ * __builtin_types_compatible_p(unsigned long, unsigned long long) = 0.
+ */
+ if (sizeof(unsigned long) == sizeof(unsigned long long) &&
+ __alignof__(unsigned long) == __alignof__(unsigned long long))
+ return kstrtoull(s, base, (unsigned long long *)res);
+ else
+ return _kstrtoul(s, base, res);
+}
diff --git a/arch/x86/boot/string.h b/arch/x86/boot/string.h
index 38d8f2f5e47e..995f7b7ad512 100644
--- a/arch/x86/boot/string.h
+++ b/arch/x86/boot/string.h
@@ -30,4 +30,5 @@ extern unsigned long long simple_strtoull(const char *cp, char **endp,
unsigned int base);
int kstrtoull(const char *s, unsigned int base, unsigned long long *res);
+int boot_kstrtoul(const char *s, unsigned int base, unsigned long *res);
#endif /* BOOT_STRING_H */
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 8f8c8e386cea..c8b8c1a8d1fc 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -59,14 +59,14 @@ u8 buf[SETUP_SECT_MAX*512];
#define PECOFF_COMPAT_RESERVE 0x0
#endif
-unsigned long efi32_stub_entry;
-unsigned long efi64_stub_entry;
-unsigned long efi_pe_entry;
-unsigned long efi32_pe_entry;
-unsigned long kernel_info;
-unsigned long startup_64;
-unsigned long _ehead;
-unsigned long _end;
+static unsigned long efi32_stub_entry;
+static unsigned long efi64_stub_entry;
+static unsigned long efi_pe_entry;
+static unsigned long efi32_pe_entry;
+static unsigned long kernel_info;
+static unsigned long startup_64;
+static unsigned long _ehead;
+static unsigned long _end;
/*----------------------------------------------------------------------*/
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index cad6e1bfa7d5..54e7d15dbd0d 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -2758,7 +2758,7 @@ SYM_FUNC_START(aesni_xts_crypt8)
pxor INC, STATE4
movdqu IV, 0x30(OUTP)
- CALL_NOSPEC %r11
+ CALL_NOSPEC r11
movdqu 0x00(OUTP), INC
pxor INC, STATE1
@@ -2803,7 +2803,7 @@ SYM_FUNC_START(aesni_xts_crypt8)
_aesni_gf128mul_x_ble()
movups IV, (IVP)
- CALL_NOSPEC %r11
+ CALL_NOSPEC r11
movdqu 0x40(OUTP), INC
pxor INC, STATE1
diff --git a/arch/x86/crypto/blake2s-glue.c b/arch/x86/crypto/blake2s-glue.c
index 06ef2d4a4701..6737bcea1fa1 100644
--- a/arch/x86/crypto/blake2s-glue.c
+++ b/arch/x86/crypto/blake2s-glue.c
@@ -32,16 +32,16 @@ void blake2s_compress_arch(struct blake2s_state *state,
const u32 inc)
{
/* SIMD disables preemption, so relax after processing each page. */
- BUILD_BUG_ON(PAGE_SIZE / BLAKE2S_BLOCK_SIZE < 8);
+ BUILD_BUG_ON(SZ_4K / BLAKE2S_BLOCK_SIZE < 8);
if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) {
blake2s_compress_generic(state, block, nblocks, inc);
return;
}
- for (;;) {
+ do {
const size_t blocks = min_t(size_t, nblocks,
- PAGE_SIZE / BLAKE2S_BLOCK_SIZE);
+ SZ_4K / BLAKE2S_BLOCK_SIZE);
kernel_fpu_begin();
if (IS_ENABLED(CONFIG_AS_AVX512) &&
@@ -52,10 +52,8 @@ void blake2s_compress_arch(struct blake2s_state *state,
kernel_fpu_end();
nblocks -= blocks;
- if (!nblocks)
- break;
block += blocks * BLAKE2S_BLOCK_SIZE;
- }
+ } while (nblocks);
}
EXPORT_SYMBOL(blake2s_compress_arch);
diff --git a/arch/x86/crypto/camellia-aesni-avx-asm_64.S b/arch/x86/crypto/camellia-aesni-avx-asm_64.S
index d01ddd73de65..ecc0a9a905c4 100644
--- a/arch/x86/crypto/camellia-aesni-avx-asm_64.S
+++ b/arch/x86/crypto/camellia-aesni-avx-asm_64.S
@@ -1228,7 +1228,7 @@ SYM_FUNC_START_LOCAL(camellia_xts_crypt_16way)
vpxor 14 * 16(%rax), %xmm15, %xmm14;
vpxor 15 * 16(%rax), %xmm15, %xmm15;
- CALL_NOSPEC %r9;
+ CALL_NOSPEC r9;
addq $(16 * 16), %rsp;
diff --git a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
index 563ef6e83cdd..0907243c501c 100644
--- a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
+++ b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S
@@ -1339,7 +1339,7 @@ SYM_FUNC_START_LOCAL(camellia_xts_crypt_32way)
vpxor 14 * 32(%rax), %ymm15, %ymm14;
vpxor 15 * 32(%rax), %ymm15, %ymm15;
- CALL_NOSPEC %r9;
+ CALL_NOSPEC r9;
addq $(16 * 32), %rsp;
diff --git a/arch/x86/crypto/chacha_glue.c b/arch/x86/crypto/chacha_glue.c
index b412c21ee06e..22250091cdbe 100644
--- a/arch/x86/crypto/chacha_glue.c
+++ b/arch/x86/crypto/chacha_glue.c
@@ -153,9 +153,17 @@ void chacha_crypt_arch(u32 *state, u8 *dst, const u8 *src, unsigned int bytes,
bytes <= CHACHA_BLOCK_SIZE)
return chacha_crypt_generic(state, dst, src, bytes, nrounds);
- kernel_fpu_begin();
- chacha_dosimd(state, dst, src, bytes, nrounds);
- kernel_fpu_end();
+ do {
+ unsigned int todo = min_t(unsigned int, bytes, SZ_4K);
+
+ kernel_fpu_begin();
+ chacha_dosimd(state, dst, src, todo, nrounds);
+ kernel_fpu_end();
+
+ bytes -= todo;
+ src += todo;
+ dst += todo;
+ } while (bytes);
}
EXPORT_SYMBOL(chacha_crypt_arch);
diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
index 0e6690e3618c..8501ec4532f4 100644
--- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S
@@ -75,7 +75,7 @@
.text
SYM_FUNC_START(crc_pcl)
-#define bufp %rdi
+#define bufp rdi
#define bufp_dw %edi
#define bufp_w %di
#define bufp_b %dil
@@ -105,9 +105,9 @@ SYM_FUNC_START(crc_pcl)
## 1) ALIGN:
################################################################
- mov bufp, bufptmp # rdi = *buf
- neg bufp
- and $7, bufp # calculate the unalignment amount of
+ mov %bufp, bufptmp # rdi = *buf
+ neg %bufp
+ and $7, %bufp # calculate the unalignment amount of
# the address
je proc_block # Skip if aligned
@@ -123,13 +123,13 @@ SYM_FUNC_START(crc_pcl)
do_align:
#### Calculate CRC of unaligned bytes of the buffer (if any)
movq (bufptmp), tmp # load a quadward from the buffer
- add bufp, bufptmp # align buffer pointer for quadword
+ add %bufp, bufptmp # align buffer pointer for quadword
# processing
- sub bufp, len # update buffer length
+ sub %bufp, len # update buffer length
align_loop:
crc32b %bl, crc_init_dw # compute crc32 of 1-byte
shr $8, tmp # get next byte
- dec bufp
+ dec %bufp
jne align_loop
proc_block:
@@ -169,10 +169,10 @@ continue_block:
xor crc2, crc2
## branch into array
- lea jump_table(%rip), bufp
- movzxw (bufp, %rax, 2), len
- lea crc_array(%rip), bufp
- lea (bufp, len, 1), bufp
+ lea jump_table(%rip), %bufp
+ movzxw (%bufp, %rax, 2), len
+ lea crc_array(%rip), %bufp
+ lea (%bufp, len, 1), %bufp
JMP_NOSPEC bufp
################################################################
@@ -218,9 +218,9 @@ LABEL crc_ %i
## 4) Combine three results:
################################################################
- lea (K_table-8)(%rip), bufp # first entry is for idx 1
+ lea (K_table-8)(%rip), %bufp # first entry is for idx 1
shlq $3, %rax # rax *= 8
- pmovzxdq (bufp,%rax), %xmm0 # 2 consts: K1:K2
+ pmovzxdq (%bufp,%rax), %xmm0 # 2 consts: K1:K2
leal (%eax,%eax,2), %eax # rax *= 3 (total *24)
subq %rax, tmp # tmp -= rax*24
diff --git a/arch/x86/crypto/nhpoly1305-avx2-glue.c b/arch/x86/crypto/nhpoly1305-avx2-glue.c
index f7567cbd35b6..80fcb85736e1 100644
--- a/arch/x86/crypto/nhpoly1305-avx2-glue.c
+++ b/arch/x86/crypto/nhpoly1305-avx2-glue.c
@@ -29,7 +29,7 @@ static int nhpoly1305_avx2_update(struct shash_desc *desc,
return crypto_nhpoly1305_update(desc, src, srclen);
do {
- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+ unsigned int n = min_t(unsigned int, srclen, SZ_4K);
kernel_fpu_begin();
crypto_nhpoly1305_update_helper(desc, src, n, _nh_avx2);
diff --git a/arch/x86/crypto/nhpoly1305-sse2-glue.c b/arch/x86/crypto/nhpoly1305-sse2-glue.c
index a661ede3b5cf..cc6b7c1a2705 100644
--- a/arch/x86/crypto/nhpoly1305-sse2-glue.c
+++ b/arch/x86/crypto/nhpoly1305-sse2-glue.c
@@ -29,7 +29,7 @@ static int nhpoly1305_sse2_update(struct shash_desc *desc,
return crypto_nhpoly1305_update(desc, src, srclen);
do {
- unsigned int n = min_t(unsigned int, srclen, PAGE_SIZE);
+ unsigned int n = min_t(unsigned int, srclen, SZ_4K);
kernel_fpu_begin();
crypto_nhpoly1305_update_helper(desc, src, n, _nh_sse2);
diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c
index 6dfec19f7d57..dfe921efa9b2 100644
--- a/arch/x86/crypto/poly1305_glue.c
+++ b/arch/x86/crypto/poly1305_glue.c
@@ -91,8 +91,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
struct poly1305_arch_internal *state = ctx;
/* SIMD disables preemption, so relax after processing each page. */
- BUILD_BUG_ON(PAGE_SIZE < POLY1305_BLOCK_SIZE ||
- PAGE_SIZE % POLY1305_BLOCK_SIZE);
+ BUILD_BUG_ON(SZ_4K < POLY1305_BLOCK_SIZE ||
+ SZ_4K % POLY1305_BLOCK_SIZE);
if (!static_branch_likely(&poly1305_use_avx) ||
(len < (POLY1305_BLOCK_SIZE * 18) && !state->is_base2_26) ||
@@ -102,8 +102,8 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
return;
}
- for (;;) {
- const size_t bytes = min_t(size_t, len, PAGE_SIZE);
+ do {
+ const size_t bytes = min_t(size_t, len, SZ_4K);
kernel_fpu_begin();
if (IS_ENABLED(CONFIG_AS_AVX512) && static_branch_likely(&poly1305_use_avx512))
@@ -113,11 +113,10 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len,
else
poly1305_blocks_avx(ctx, inp, bytes, padbit);
kernel_fpu_end();
+
len -= bytes;
- if (!len)
- break;
inp += bytes;
- }
+ } while (len);
}
static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE],
diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c
index a801ffc10cbb..18200135603f 100644
--- a/arch/x86/crypto/sha1_ssse3_glue.c
+++ b/arch/x86/crypto/sha1_ssse3_glue.c
@@ -21,7 +21,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <crypto/sha1_base.h>
diff --git a/arch/x86/crypto/sha256_ssse3_glue.c b/arch/x86/crypto/sha256_ssse3_glue.c
index 6394b5fe8db6..dd06249229e1 100644
--- a/arch/x86/crypto/sha256_ssse3_glue.c
+++ b/arch/x86/crypto/sha256_ssse3_glue.c
@@ -34,7 +34,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <crypto/sha256_base.h>
diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c
index 82cc1b3ced1d..b0b05c93409e 100644
--- a/arch/x86/crypto/sha512_ssse3_glue.c
+++ b/arch/x86/crypto/sha512_ssse3_glue.c
@@ -32,7 +32,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/string.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/x86/entry/calling.h b/arch/x86/entry/calling.h
index 0789e13ece90..1c7f13bb6728 100644
--- a/arch/x86/entry/calling.h
+++ b/arch/x86/entry/calling.h
@@ -98,13 +98,6 @@ For 32-bit we have the following conventions - kernel is built with
#define SIZEOF_PTREGS 21*8
.macro PUSH_AND_CLEAR_REGS rdx=%rdx rax=%rax save_ret=0
- /*
- * Push registers and sanitize registers of values that a
- * speculation attack might otherwise want to exploit. The
- * lower registers are likely clobbered well before they
- * could be put to use in a speculative execution gadget.
- * Interleave XOR with PUSH for better uop scheduling:
- */
.if \save_ret
pushq %rsi /* pt_regs->si */
movq 8(%rsp), %rsi /* temporarily store the return address in %rsi */
@@ -114,34 +107,43 @@ For 32-bit we have the following conventions - kernel is built with
pushq %rsi /* pt_regs->si */
.endif
pushq \rdx /* pt_regs->dx */
- xorl %edx, %edx /* nospec dx */
pushq %rcx /* pt_regs->cx */
- xorl %ecx, %ecx /* nospec cx */
pushq \rax /* pt_regs->ax */
pushq %r8 /* pt_regs->r8 */
- xorl %r8d, %r8d /* nospec r8 */
pushq %r9 /* pt_regs->r9 */
- xorl %r9d, %r9d /* nospec r9 */
pushq %r10 /* pt_regs->r10 */
- xorl %r10d, %r10d /* nospec r10 */
pushq %r11 /* pt_regs->r11 */
- xorl %r11d, %r11d /* nospec r11*/
pushq %rbx /* pt_regs->rbx */
- xorl %ebx, %ebx /* nospec rbx*/
pushq %rbp /* pt_regs->rbp */
- xorl %ebp, %ebp /* nospec rbp*/
pushq %r12 /* pt_regs->r12 */
- xorl %r12d, %r12d /* nospec r12*/
pushq %r13 /* pt_regs->r13 */
- xorl %r13d, %r13d /* nospec r13*/
pushq %r14 /* pt_regs->r14 */
- xorl %r14d, %r14d /* nospec r14*/
pushq %r15 /* pt_regs->r15 */
- xorl %r15d, %r15d /* nospec r15*/
UNWIND_HINT_REGS
+
.if \save_ret
pushq %rsi /* return address on top of stack */
.endif
+
+ /*
+ * Sanitize registers of values that a speculation attack might
+ * otherwise want to exploit. The lower registers are likely clobbered
+ * well before they could be put to use in a speculative execution
+ * gadget.
+ */
+ xorl %edx, %edx /* nospec dx */
+ xorl %ecx, %ecx /* nospec cx */
+ xorl %r8d, %r8d /* nospec r8 */
+ xorl %r9d, %r9d /* nospec r9 */
+ xorl %r10d, %r10d /* nospec r10 */
+ xorl %r11d, %r11d /* nospec r11 */
+ xorl %ebx, %ebx /* nospec rbx */
+ xorl %ebp, %ebp /* nospec rbp */
+ xorl %r12d, %r12d /* nospec r12 */
+ xorl %r13d, %r13d /* nospec r13 */
+ xorl %r14d, %r14d /* nospec r14 */
+ xorl %r15d, %r15d /* nospec r15 */
+
.endm
.macro POP_REGS pop_rdi=1 skip_r11rcx=0
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S
index b67bae7091d7..a5eed844e948 100644
--- a/arch/x86/entry/entry_32.S
+++ b/arch/x86/entry/entry_32.S
@@ -816,7 +816,7 @@ SYM_CODE_START(ret_from_fork)
/* kernel thread */
1: movl %edi, %eax
- CALL_NOSPEC %ebx
+ CALL_NOSPEC ebx
/*
* A kernel thread is allowed to return here after successfully
* calling do_execve(). Exit to userspace to complete the execve()
@@ -1501,7 +1501,7 @@ SYM_CODE_START_LOCAL_NOALIGN(common_exception_read_cr2)
TRACE_IRQS_OFF
movl %esp, %eax # pt_regs pointer
- CALL_NOSPEC %edi
+ CALL_NOSPEC edi
jmp ret_from_exception
SYM_CODE_END(common_exception_read_cr2)
@@ -1522,7 +1522,7 @@ SYM_CODE_START_LOCAL_NOALIGN(common_exception)
TRACE_IRQS_OFF
movl %esp, %eax # pt_regs pointer
- CALL_NOSPEC %edi
+ CALL_NOSPEC edi
jmp ret_from_exception
SYM_CODE_END(common_exception)
@@ -1536,7 +1536,6 @@ SYM_CODE_START(debug)
jmp common_exception
SYM_CODE_END(debug)
-#ifdef CONFIG_DOUBLEFAULT
SYM_CODE_START(double_fault)
1:
/*
@@ -1576,7 +1575,6 @@ SYM_CODE_START(double_fault)
hlt
jmp 1b
SYM_CODE_END(double_fault)
-#endif
/*
* NMI is doubly nasty. It can happen on the first instruction of
@@ -1693,14 +1691,6 @@ SYM_CODE_START(general_protection)
jmp common_exception
SYM_CODE_END(general_protection)
-#ifdef CONFIG_KVM_GUEST
-SYM_CODE_START(async_page_fault)
- ASM_CLAC
- pushl $do_async_page_fault
- jmp common_exception_read_cr2
-SYM_CODE_END(async_page_fault)
-#endif
-
SYM_CODE_START(rewind_stack_do_exit)
/* Prevent any naive code from trying to unwind to our caller. */
xorl %ebp, %ebp
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 0e9504fabe52..eead1e2bebd5 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -249,7 +249,6 @@ SYM_INNER_LABEL(entry_SYSCALL_64_after_hwframe, SYM_L_GLOBAL)
*/
syscall_return_via_sysret:
/* rcx and r11 are already restored (see code above) */
- UNWIND_HINT_EMPTY
POP_REGS pop_rdi=0 skip_r11rcx=1
/*
@@ -258,6 +257,7 @@ syscall_return_via_sysret:
*/
movq %rsp, %rdi
movq PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp
+ UNWIND_HINT_EMPTY
pushq RSP-RDI(%rdi) /* RSP */
pushq (%rdi) /* RDI */
@@ -279,8 +279,7 @@ SYM_CODE_END(entry_SYSCALL_64)
* %rdi: prev task
* %rsi: next task
*/
-SYM_CODE_START(__switch_to_asm)
- UNWIND_HINT_FUNC
+SYM_FUNC_START(__switch_to_asm)
/*
* Save callee-saved registers
* This must match the order in inactive_task_frame
@@ -321,7 +320,7 @@ SYM_CODE_START(__switch_to_asm)
popq %rbp
jmp __switch_to
-SYM_CODE_END(__switch_to_asm)
+SYM_FUNC_END(__switch_to_asm)
/*
* A newly forked process directly context switches into this address.
@@ -349,7 +348,7 @@ SYM_CODE_START(ret_from_fork)
/* kernel thread */
UNWIND_HINT_EMPTY
movq %r12, %rdi
- CALL_NOSPEC %rbx
+ CALL_NOSPEC rbx
/*
* A kernel thread is allowed to return here after successfully
* calling do_execve(). Exit to userspace to complete the execve()
@@ -512,7 +511,7 @@ SYM_CODE_END(spurious_entries_start)
* +----------------------------------------------------+
*/
SYM_CODE_START(interrupt_entry)
- UNWIND_HINT_FUNC
+ UNWIND_HINT_IRET_REGS offset=16
ASM_CLAC
cld
@@ -544,9 +543,9 @@ SYM_CODE_START(interrupt_entry)
pushq 5*8(%rdi) /* regs->eflags */
pushq 4*8(%rdi) /* regs->cs */
pushq 3*8(%rdi) /* regs->ip */
+ UNWIND_HINT_IRET_REGS
pushq 2*8(%rdi) /* regs->orig_ax */
pushq 8(%rdi) /* return address */
- UNWIND_HINT_FUNC
movq (%rdi), %rdi
jmp 2f
@@ -637,6 +636,7 @@ SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL)
*/
movq %rsp, %rdi
movq PER_CPU_VAR(cpu_tss_rw + TSS_sp0), %rsp
+ UNWIND_HINT_EMPTY
/* Copy the IRET frame to the trampoline stack. */
pushq 6*8(%rdi) /* SS */
@@ -1202,10 +1202,6 @@ idtentry xendebug do_debug has_error_code=0
idtentry general_protection do_general_protection has_error_code=1
idtentry page_fault do_page_fault has_error_code=1 read_cr2=1
-#ifdef CONFIG_KVM_GUEST
-idtentry async_page_fault do_async_page_fault has_error_code=1 read_cr2=1
-#endif
-
#ifdef CONFIG_X86_MCE
idtentry machine_check do_mce has_error_code=0 paranoid=1
#endif
@@ -1739,7 +1735,7 @@ SYM_CODE_START(rewind_stack_do_exit)
movq PER_CPU_VAR(cpu_current_top_of_stack), %rax
leaq -PTREGS_SIZE(%rax), %rsp
- UNWIND_HINT_FUNC sp_offset=PTREGS_SIZE
+ UNWIND_HINT_REGS
call do_exit
SYM_CODE_END(rewind_stack_do_exit)
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 54581ac671b4..d8f8a1a69ed1 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -442,3 +442,4 @@
435 i386 clone3 sys_clone3
437 i386 openat2 sys_openat2
438 i386 pidfd_getfd sys_pidfd_getfd
+439 i386 faccessat2 sys_faccessat2
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index 37b844f839bc..78847b32e137 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -359,6 +359,7 @@
435 common clone3 sys_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 433a1259f61d..54e03ab26ff3 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -24,6 +24,8 @@ VDSO32-$(CONFIG_IA32_EMULATION) := y
# files to link into the vdso
vobjs-y := vdso-note.o vclock_gettime.o vgetcpu.o
+vobjs32-y := vdso32/note.o vdso32/system_call.o vdso32/sigreturn.o
+vobjs32-y += vdso32/vclock_gettime.o
# files to link into kernel
obj-y += vma.o
@@ -37,10 +39,12 @@ vdso_img-$(VDSO32-y) += 32
obj-$(VDSO32-y) += vdso32-setup.o
vobjs := $(foreach F,$(vobjs-y),$(obj)/$F)
+vobjs32 := $(foreach F,$(vobjs32-y),$(obj)/$F)
$(obj)/vdso.o: $(obj)/vdso.so
targets += vdso.lds $(vobjs-y)
+targets += vdso32/vdso32.lds $(vobjs32-y)
# Build the vDSO image C files and link them in.
vdso_img_objs := $(vdso_img-y:%=vdso-image-%.o)
@@ -130,10 +134,6 @@ $(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE
CPPFLAGS_vdso32/vdso32.lds = $(CPPFLAGS_vdso.lds)
VDSO_LDFLAGS_vdso32.lds = -m elf_i386 -soname linux-gate.so.1
-targets += vdso32/vdso32.lds
-targets += vdso32/note.o vdso32/system_call.o vdso32/sigreturn.o
-targets += vdso32/vclock_gettime.o
-
KBUILD_AFLAGS_32 := $(filter-out -m64,$(KBUILD_AFLAGS)) -DBUILD_VDSO
$(obj)/vdso32.so.dbg: KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
$(obj)/vdso32.so.dbg: asflags-$(CONFIG_X86_64) += -m32
@@ -158,12 +158,7 @@ endif
$(obj)/vdso32.so.dbg: KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
-$(obj)/vdso32.so.dbg: FORCE \
- $(obj)/vdso32/vdso32.lds \
- $(obj)/vdso32/vclock_gettime.o \
- $(obj)/vdso32/note.o \
- $(obj)/vdso32/system_call.o \
- $(obj)/vdso32/sigreturn.o
+$(obj)/vdso32.so.dbg: $(obj)/vdso32/vdso32.lds $(vobjs32) FORCE
$(call if_changed,vdso_and_check)
#
diff --git a/arch/x86/entry/vdso/vdso2c.c b/arch/x86/entry/vdso/vdso2c.c
index 3842873b3ae3..7380908045c7 100644
--- a/arch/x86/entry/vdso/vdso2c.c
+++ b/arch/x86/entry/vdso/vdso2c.c
@@ -187,7 +187,7 @@ static void map_input(const char *name, void **addr, size_t *len, int prot)
int fd = open(name, O_RDONLY);
if (fd == -1)
- err(1, "%s", name);
+ err(1, "open(%s)", name);
tmp_len = lseek(fd, 0, SEEK_END);
if (tmp_len == (off_t)-1)
@@ -240,7 +240,7 @@ int main(int argc, char **argv)
outfilename = argv[3];
outfile = fopen(outfilename, "w");
if (!outfile)
- err(1, "%s", argv[2]);
+ err(1, "fopen(%s)", outfilename);
go(raw_addr, raw_len, stripped_addr, stripped_len, outfile, name);
diff --git a/arch/x86/entry/vdso/vdso2c.h b/arch/x86/entry/vdso/vdso2c.h
index a20b134de2a8..6f46e11ce539 100644
--- a/arch/x86/entry/vdso/vdso2c.h
+++ b/arch/x86/entry/vdso/vdso2c.h
@@ -13,8 +13,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
unsigned long load_size = -1; /* Work around bogus warning */
unsigned long mapping_size;
ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr;
- int i;
- unsigned long j;
+ unsigned long i, syms_nr;
ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr,
*alt_sec = NULL;
ELF(Dyn) *dyn = 0, *dyn_end = 0;
@@ -86,11 +85,10 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
strtab_hdr = raw_addr + GET_LE(&hdr->e_shoff) +
GET_LE(&hdr->e_shentsize) * GET_LE(&symtab_hdr->sh_link);
+ syms_nr = GET_LE(&symtab_hdr->sh_size) / GET_LE(&symtab_hdr->sh_entsize);
/* Walk the symbol table */
- for (i = 0;
- i < GET_LE(&symtab_hdr->sh_size) / GET_LE(&symtab_hdr->sh_entsize);
- i++) {
- int k;
+ for (i = 0; i < syms_nr; i++) {
+ unsigned int k;
ELF(Sym) *sym = raw_addr + GET_LE(&symtab_hdr->sh_offset) +
GET_LE(&symtab_hdr->sh_entsize) * i;
const char *sym_name = raw_addr +
@@ -150,11 +148,11 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len,
fprintf(outfile,
"static unsigned char raw_data[%lu] __ro_after_init __aligned(PAGE_SIZE) = {",
mapping_size);
- for (j = 0; j < stripped_len; j++) {
- if (j % 10 == 0)
+ for (i = 0; i < stripped_len; i++) {
+ if (i % 10 == 0)
fprintf(outfile, "\n\t");
fprintf(outfile, "0x%02X, ",
- (int)((unsigned char *)stripped_addr)[j]);
+ (int)((unsigned char *)stripped_addr)[i]);
}
fprintf(outfile, "\n};\n\n");
diff --git a/arch/x86/events/Kconfig b/arch/x86/events/Kconfig
index 9a7a1446cb3a..4a809c6cbd2f 100644
--- a/arch/x86/events/Kconfig
+++ b/arch/x86/events/Kconfig
@@ -10,11 +10,11 @@ config PERF_EVENTS_INTEL_UNCORE
available on NehalemEX and more modern processors.
config PERF_EVENTS_INTEL_RAPL
- tristate "Intel rapl performance events"
- depends on PERF_EVENTS && CPU_SUP_INTEL && PCI
+ tristate "Intel/AMD rapl performance events"
+ depends on PERF_EVENTS && (CPU_SUP_INTEL || CPU_SUP_AMD) && PCI
default y
---help---
- Include support for Intel rapl performance events for power
+ Include support for Intel and AMD rapl performance events for power
monitoring on modern processors.
config PERF_EVENTS_INTEL_CSTATE
diff --git a/arch/x86/events/Makefile b/arch/x86/events/Makefile
index 9e07f554333f..12c42eba77ec 100644
--- a/arch/x86/events/Makefile
+++ b/arch/x86/events/Makefile
@@ -1,5 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += core.o probe.o
+obj-$(PERF_EVENTS_INTEL_RAPL) += rapl.o
obj-y += amd/
obj-$(CONFIG_X86_LOCAL_APIC) += msr.o
obj-$(CONFIG_CPU_SUP_INTEL) += intel/
+obj-$(CONFIG_CPU_SUP_CENTAUR) += zhaoxin/
+obj-$(CONFIG_CPU_SUP_ZHAOXIN) += zhaoxin/
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c
index a619763e96e1..9e63ee50b19a 100644
--- a/arch/x86/events/core.c
+++ b/arch/x86/events/core.c
@@ -1839,6 +1839,10 @@ static int __init init_hw_perf_events(void)
err = amd_pmu_init();
x86_pmu.name = "HYGON";
break;
+ case X86_VENDOR_ZHAOXIN:
+ case X86_VENDOR_CENTAUR:
+ err = zhaoxin_pmu_init();
+ break;
default:
err = -ENOTSUPP;
}
diff --git a/arch/x86/events/intel/Makefile b/arch/x86/events/intel/Makefile
index 3468b0c1dc7c..e67a5886336c 100644
--- a/arch/x86/events/intel/Makefile
+++ b/arch/x86/events/intel/Makefile
@@ -2,8 +2,6 @@
obj-$(CONFIG_CPU_SUP_INTEL) += core.o bts.o
obj-$(CONFIG_CPU_SUP_INTEL) += ds.o knc.o
obj-$(CONFIG_CPU_SUP_INTEL) += lbr.o p4.o p6.o pt.o
-obj-$(CONFIG_PERF_EVENTS_INTEL_RAPL) += intel-rapl-perf.o
-intel-rapl-perf-objs := rapl.o
obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += intel-uncore.o
intel-uncore-objs := uncore.o uncore_nhmex.o uncore_snb.o uncore_snbep.o
obj-$(CONFIG_PERF_EVENTS_INTEL_CSTATE) += intel-cstate.o
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 6a3b599ee0fe..731dd8d0dbb1 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -58,7 +58,7 @@ struct bts_buffer {
local_t head;
unsigned long end;
void **data_pages;
- struct bts_phys buf[0];
+ struct bts_phys buf[];
};
static struct pmu bts_pmu;
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 332954cccece..ca35c8b5ee10 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -1892,8 +1892,8 @@ static __initconst const u64 tnt_hw_cache_extra_regs
static struct extra_reg intel_tnt_extra_regs[] __read_mostly = {
/* must define OFFCORE_RSP_X first, see intel_fixup_er() */
- INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffffff9fffull, RSP_0),
- INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0xffffff9fffull, RSP_1),
+ INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x800ff0ffffff9fffull, RSP_0),
+ INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0xff0ffffff9fffull, RSP_1),
EVENT_EXTRA_END
};
diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index e4aa20c0426f..442e1ed4acd4 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -643,6 +643,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS, &glm_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &glm_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, &glm_cstates),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &glm_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, &icl_cstates),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, &icl_cstates),
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 1db7a51d9792..e94af4a54d0d 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -226,8 +226,6 @@ static int __init pt_pmu_hw_init(void)
pt_pmu.vmx = true;
}
- attrs = NULL;
-
for (i = 0; i < PT_CPUID_LEAVES; i++) {
cpuid_count(20, i,
&pt_pmu.caps[CPUID_EAX + i*PT_CPUID_REGS_NUM],
diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h
index 0da4a4605536..b469ddd45515 100644
--- a/arch/x86/events/intel/uncore.h
+++ b/arch/x86/events/intel/uncore.h
@@ -130,7 +130,7 @@ struct intel_uncore_box {
struct list_head list;
struct list_head active_list;
void __iomem *io_addr;
- struct intel_uncore_extra_reg shared_regs[0];
+ struct intel_uncore_extra_reg shared_regs[];
};
/* CFL uncore 8th cbox MSRs */
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index f1cd1ca1a77b..e17a3d8a47ed 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -618,6 +618,7 @@ struct x86_pmu {
/* PMI handler bits */
unsigned int late_ack :1,
+ enabled_ack :1,
counter_freezing :1;
/*
* sysfs attrs
@@ -1133,3 +1134,12 @@ static inline int is_ht_workaround_enabled(void)
return 0;
}
#endif /* CONFIG_CPU_SUP_INTEL */
+
+#if ((defined CONFIG_CPU_SUP_CENTAUR) || (defined CONFIG_CPU_SUP_ZHAOXIN))
+int zhaoxin_pmu_init(void);
+#else
+static inline int zhaoxin_pmu_init(void)
+{
+ return 0;
+}
+#endif /*CONFIG_CPU_SUP_CENTAUR or CONFIG_CPU_SUP_ZHAOXIN*/
diff --git a/arch/x86/events/probe.c b/arch/x86/events/probe.c
index c2ede2f3b277..136a1e847254 100644
--- a/arch/x86/events/probe.c
+++ b/arch/x86/events/probe.c
@@ -10,6 +10,11 @@ not_visible(struct kobject *kobj, struct attribute *attr, int i)
return 0;
}
+/*
+ * Accepts msr[] array with non populated entries as long as either
+ * msr[i].msr is 0 or msr[i].grp is NULL. Note that the default sysfs
+ * visibility is visible when group->is_visible callback is set.
+ */
unsigned long
perf_msr_probe(struct perf_msr *msr, int cnt, bool zero, void *data)
{
@@ -24,8 +29,16 @@ perf_msr_probe(struct perf_msr *msr, int cnt, bool zero, void *data)
if (!msr[bit].no_check) {
struct attribute_group *grp = msr[bit].grp;
+ /* skip entry with no group */
+ if (!grp)
+ continue;
+
grp->is_visible = not_visible;
+ /* skip unpopulated entry */
+ if (!msr[bit].msr)
+ continue;
+
if (msr[bit].test && !msr[bit].test(bit, data))
continue;
/* Virt sucks; you cannot tell if a R/O MSR is present :/ */
diff --git a/arch/x86/events/intel/rapl.c b/arch/x86/events/rapl.c
index a5dbd25852cb..0f2bf59f4354 100644
--- a/arch/x86/events/intel/rapl.c
+++ b/arch/x86/events/rapl.c
@@ -1,11 +1,14 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Support Intel RAPL energy consumption counters
+ * Support Intel/AMD RAPL energy consumption counters
* Copyright (C) 2013 Google, Inc., Stephane Eranian
*
* Intel RAPL interface is specified in the IA-32 Manual Vol3b
* section 14.7.1 (September 2013)
*
+ * AMD RAPL interface for Fam17h is described in the public PPR:
+ * https://bugzilla.kernel.org/show_bug.cgi?id=206537
+ *
* RAPL provides more controls than just reporting energy consumption
* however here we only expose the 3 energy consumption free running
* counters (pp0, pkg, dram).
@@ -58,8 +61,8 @@
#include <linux/nospec.h>
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
-#include "../perf_event.h"
-#include "../probe.h"
+#include "perf_event.h"
+#include "probe.h"
MODULE_LICENSE("GPL");
@@ -128,7 +131,9 @@ struct rapl_pmus {
};
struct rapl_model {
+ struct perf_msr *rapl_msrs;
unsigned long events;
+ unsigned int msr_power_unit;
bool apply_quirk;
};
@@ -138,7 +143,7 @@ static struct rapl_pmus *rapl_pmus;
static cpumask_t rapl_cpu_mask;
static unsigned int rapl_cntr_mask;
static u64 rapl_timer_ms;
-static struct perf_msr rapl_msrs[];
+static struct perf_msr *rapl_msrs;
static inline struct rapl_pmu *cpu_to_rapl_pmu(unsigned int cpu)
{
@@ -455,9 +460,16 @@ static struct attribute *rapl_events_cores[] = {
NULL,
};
+static umode_t
+rapl_not_visible(struct kobject *kobj, struct attribute *attr, int i)
+{
+ return 0;
+}
+
static struct attribute_group rapl_events_cores_group = {
.name = "events",
.attrs = rapl_events_cores,
+ .is_visible = rapl_not_visible,
};
static struct attribute *rapl_events_pkg[] = {
@@ -470,6 +482,7 @@ static struct attribute *rapl_events_pkg[] = {
static struct attribute_group rapl_events_pkg_group = {
.name = "events",
.attrs = rapl_events_pkg,
+ .is_visible = rapl_not_visible,
};
static struct attribute *rapl_events_ram[] = {
@@ -482,6 +495,7 @@ static struct attribute *rapl_events_ram[] = {
static struct attribute_group rapl_events_ram_group = {
.name = "events",
.attrs = rapl_events_ram,
+ .is_visible = rapl_not_visible,
};
static struct attribute *rapl_events_gpu[] = {
@@ -494,6 +508,7 @@ static struct attribute *rapl_events_gpu[] = {
static struct attribute_group rapl_events_gpu_group = {
.name = "events",
.attrs = rapl_events_gpu,
+ .is_visible = rapl_not_visible,
};
static struct attribute *rapl_events_psys[] = {
@@ -506,6 +521,7 @@ static struct attribute *rapl_events_psys[] = {
static struct attribute_group rapl_events_psys_group = {
.name = "events",
.attrs = rapl_events_psys,
+ .is_visible = rapl_not_visible,
};
static bool test_msr(int idx, void *data)
@@ -513,7 +529,7 @@ static bool test_msr(int idx, void *data)
return test_bit(idx, (unsigned long *) data);
}
-static struct perf_msr rapl_msrs[] = {
+static struct perf_msr intel_rapl_msrs[] = {
[PERF_RAPL_PP0] = { MSR_PP0_ENERGY_STATUS, &rapl_events_cores_group, test_msr },
[PERF_RAPL_PKG] = { MSR_PKG_ENERGY_STATUS, &rapl_events_pkg_group, test_msr },
[PERF_RAPL_RAM] = { MSR_DRAM_ENERGY_STATUS, &rapl_events_ram_group, test_msr },
@@ -521,6 +537,16 @@ static struct perf_msr rapl_msrs[] = {
[PERF_RAPL_PSYS] = { MSR_PLATFORM_ENERGY_STATUS, &rapl_events_psys_group, test_msr },
};
+/*
+ * Force to PERF_RAPL_MAX size due to:
+ * - perf_msr_probe(PERF_RAPL_MAX)
+ * - want to use same event codes across both architectures
+ */
+static struct perf_msr amd_rapl_msrs[PERF_RAPL_MAX] = {
+ [PERF_RAPL_PKG] = { MSR_AMD_PKG_ENERGY_STATUS, &rapl_events_pkg_group, test_msr },
+};
+
+
static int rapl_cpu_offline(unsigned int cpu)
{
struct rapl_pmu *pmu = cpu_to_rapl_pmu(cpu);
@@ -575,13 +601,13 @@ static int rapl_cpu_online(unsigned int cpu)
return 0;
}
-static int rapl_check_hw_unit(bool apply_quirk)
+static int rapl_check_hw_unit(struct rapl_model *rm)
{
u64 msr_rapl_power_unit_bits;
int i;
/* protect rdmsrl() to handle virtualization */
- if (rdmsrl_safe(MSR_RAPL_POWER_UNIT, &msr_rapl_power_unit_bits))
+ if (rdmsrl_safe(rm->msr_power_unit, &msr_rapl_power_unit_bits))
return -1;
for (i = 0; i < NR_RAPL_DOMAINS; i++)
rapl_hw_unit[i] = (msr_rapl_power_unit_bits >> 8) & 0x1FULL;
@@ -592,7 +618,7 @@ static int rapl_check_hw_unit(bool apply_quirk)
* "Intel Xeon Processor E5-1600 and E5-2600 v3 Product Families, V2
* of 2. Datasheet, September 2014, Reference Number: 330784-001 "
*/
- if (apply_quirk)
+ if (rm->apply_quirk)
rapl_hw_unit[PERF_RAPL_RAM] = 16;
/*
@@ -673,6 +699,8 @@ static struct rapl_model model_snb = {
BIT(PERF_RAPL_PKG) |
BIT(PERF_RAPL_PP1),
.apply_quirk = false,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
};
static struct rapl_model model_snbep = {
@@ -680,6 +708,8 @@ static struct rapl_model model_snbep = {
BIT(PERF_RAPL_PKG) |
BIT(PERF_RAPL_RAM),
.apply_quirk = false,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
};
static struct rapl_model model_hsw = {
@@ -688,6 +718,8 @@ static struct rapl_model model_hsw = {
BIT(PERF_RAPL_RAM) |
BIT(PERF_RAPL_PP1),
.apply_quirk = false,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
};
static struct rapl_model model_hsx = {
@@ -695,12 +727,16 @@ static struct rapl_model model_hsx = {
BIT(PERF_RAPL_PKG) |
BIT(PERF_RAPL_RAM),
.apply_quirk = true,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
};
static struct rapl_model model_knl = {
.events = BIT(PERF_RAPL_PKG) |
BIT(PERF_RAPL_RAM),
.apply_quirk = true,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
};
static struct rapl_model model_skl = {
@@ -710,6 +746,15 @@ static struct rapl_model model_skl = {
BIT(PERF_RAPL_PP1) |
BIT(PERF_RAPL_PSYS),
.apply_quirk = false,
+ .msr_power_unit = MSR_RAPL_POWER_UNIT,
+ .rapl_msrs = intel_rapl_msrs,
+};
+
+static struct rapl_model model_amd_fam17h = {
+ .events = BIT(PERF_RAPL_PKG),
+ .apply_quirk = false,
+ .msr_power_unit = MSR_AMD_RAPL_POWER_UNIT,
+ .rapl_msrs = amd_rapl_msrs,
};
static const struct x86_cpu_id rapl_model_match[] __initconst = {
@@ -738,8 +783,11 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS, &model_hsw),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, &model_skl),
+ X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &model_hsx),
+ X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &model_hsx),
X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, &model_skl),
X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &model_skl),
+ X86_MATCH_VENDOR_FAM(AMD, 0x17, &model_amd_fam17h),
{},
};
MODULE_DEVICE_TABLE(x86cpu, rapl_model_match);
@@ -755,10 +803,13 @@ static int __init rapl_pmu_init(void)
return -ENODEV;
rm = (struct rapl_model *) id->driver_data;
+
+ rapl_msrs = rm->rapl_msrs;
+
rapl_cntr_mask = perf_msr_probe(rapl_msrs, PERF_RAPL_MAX,
false, (void *) &rm->events);
- ret = rapl_check_hw_unit(rm->apply_quirk);
+ ret = rapl_check_hw_unit(rm);
if (ret)
return ret;
diff --git a/arch/x86/events/zhaoxin/Makefile b/arch/x86/events/zhaoxin/Makefile
new file mode 100644
index 000000000000..642c1174d662
--- /dev/null
+++ b/arch/x86/events/zhaoxin/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-y += core.o
diff --git a/arch/x86/events/zhaoxin/core.c b/arch/x86/events/zhaoxin/core.c
new file mode 100644
index 000000000000..898fa1ae9ceb
--- /dev/null
+++ b/arch/x86/events/zhaoxin/core.c
@@ -0,0 +1,613 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Zhoaxin PMU; like Intel Architectural PerfMon-v2
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/stddef.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/nmi.h>
+
+#include <asm/cpufeature.h>
+#include <asm/hardirq.h>
+#include <asm/apic.h>
+
+#include "../perf_event.h"
+
+/*
+ * Zhaoxin PerfMon, used on zxc and later.
+ */
+static u64 zx_pmon_event_map[PERF_COUNT_HW_MAX] __read_mostly = {
+
+ [PERF_COUNT_HW_CPU_CYCLES] = 0x0082,
+ [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
+ [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0515,
+ [PERF_COUNT_HW_CACHE_MISSES] = 0x051a,
+ [PERF_COUNT_HW_BUS_CYCLES] = 0x0083,
+};
+
+static struct event_constraint zxc_event_constraints[] __read_mostly = {
+
+ FIXED_EVENT_CONSTRAINT(0x0082, 1), /* unhalted core clock cycles */
+ EVENT_CONSTRAINT_END
+};
+
+static struct event_constraint zxd_event_constraints[] __read_mostly = {
+
+ FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* retired instructions */
+ FIXED_EVENT_CONSTRAINT(0x0082, 1), /* unhalted core clock cycles */
+ FIXED_EVENT_CONSTRAINT(0x0083, 2), /* unhalted bus clock cycles */
+ EVENT_CONSTRAINT_END
+};
+
+static __initconst const u64 zxd_hw_cache_event_ids
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0042,
+ [C(RESULT_MISS)] = 0x0538,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x0043,
+ [C(RESULT_MISS)] = 0x0562,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0300,
+ [C(RESULT_MISS)] = 0x0301,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x030a,
+ [C(RESULT_MISS)] = 0x030b,
+ },
+},
+[C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(DTLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0042,
+ [C(RESULT_MISS)] = 0x052c,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x0043,
+ [C(RESULT_MISS)] = 0x0530,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0564,
+ [C(RESULT_MISS)] = 0x0565,
+ },
+},
+[C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x00c0,
+ [C(RESULT_MISS)] = 0x0534,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(BPU)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0700,
+ [C(RESULT_MISS)] = 0x0709,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(NODE)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+};
+
+static __initconst const u64 zxe_hw_cache_event_ids
+ [PERF_COUNT_HW_CACHE_MAX]
+ [PERF_COUNT_HW_CACHE_OP_MAX]
+ [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
+[C(L1D)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0568,
+ [C(RESULT_MISS)] = 0x054b,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x0669,
+ [C(RESULT_MISS)] = 0x0562,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(L1I)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0300,
+ [C(RESULT_MISS)] = 0x0301,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x030a,
+ [C(RESULT_MISS)] = 0x030b,
+ },
+},
+[C(LL)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0,
+ [C(RESULT_MISS)] = 0x0,
+ },
+},
+[C(DTLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0568,
+ [C(RESULT_MISS)] = 0x052c,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = 0x0669,
+ [C(RESULT_MISS)] = 0x0530,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = 0x0564,
+ [C(RESULT_MISS)] = 0x0565,
+ },
+},
+[C(ITLB)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x00c0,
+ [C(RESULT_MISS)] = 0x0534,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(BPU)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = 0x0028,
+ [C(RESULT_MISS)] = 0x0029,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+[C(NODE)] = {
+ [C(OP_READ)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_WRITE)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+ [C(OP_PREFETCH)] = {
+ [C(RESULT_ACCESS)] = -1,
+ [C(RESULT_MISS)] = -1,
+ },
+},
+};
+
+static void zhaoxin_pmu_disable_all(void)
+{
+ wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
+}
+
+static void zhaoxin_pmu_enable_all(int added)
+{
+ wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, x86_pmu.intel_ctrl);
+}
+
+static inline u64 zhaoxin_pmu_get_status(void)
+{
+ u64 status;
+
+ rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
+
+ return status;
+}
+
+static inline void zhaoxin_pmu_ack_status(u64 ack)
+{
+ wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
+}
+
+static inline void zxc_pmu_ack_status(u64 ack)
+{
+ /*
+ * ZXC needs global control enabled in order to clear status bits.
+ */
+ zhaoxin_pmu_enable_all(0);
+ zhaoxin_pmu_ack_status(ack);
+ zhaoxin_pmu_disable_all();
+}
+
+static void zhaoxin_pmu_disable_fixed(struct hw_perf_event *hwc)
+{
+ int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
+ u64 ctrl_val, mask;
+
+ mask = 0xfULL << (idx * 4);
+
+ rdmsrl(hwc->config_base, ctrl_val);
+ ctrl_val &= ~mask;
+ wrmsrl(hwc->config_base, ctrl_val);
+}
+
+static void zhaoxin_pmu_disable_event(struct perf_event *event)
+{
+ struct hw_perf_event *hwc = &event->hw;
+
+ if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
+ zhaoxin_pmu_disable_fixed(hwc);
+ return;
+ }
+
+ x86_pmu_disable_event(event);
+}
+
+static void zhaoxin_pmu_enable_fixed(struct hw_perf_event *hwc)
+{
+ int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
+ u64 ctrl_val, bits, mask;
+
+ /*
+ * Enable IRQ generation (0x8),
+ * and enable ring-3 counting (0x2) and ring-0 counting (0x1)
+ * if requested:
+ */
+ bits = 0x8ULL;
+ if (hwc->config & ARCH_PERFMON_EVENTSEL_USR)
+ bits |= 0x2;
+ if (hwc->config & ARCH_PERFMON_EVENTSEL_OS)
+ bits |= 0x1;
+
+ bits <<= (idx * 4);
+ mask = 0xfULL << (idx * 4);
+
+ rdmsrl(hwc->config_base, ctrl_val);
+ ctrl_val &= ~mask;
+ ctrl_val |= bits;
+ wrmsrl(hwc->config_base, ctrl_val);
+}
+
+static void zhaoxin_pmu_enable_event(struct perf_event *event)
+{
+ struct hw_perf_event *hwc = &event->hw;
+
+ if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
+ zhaoxin_pmu_enable_fixed(hwc);
+ return;
+ }
+
+ __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
+}
+
+/*
+ * This handler is triggered by the local APIC, so the APIC IRQ handling
+ * rules apply:
+ */
+static int zhaoxin_pmu_handle_irq(struct pt_regs *regs)
+{
+ struct perf_sample_data data;
+ struct cpu_hw_events *cpuc;
+ int handled = 0;
+ u64 status;
+ int bit;
+
+ cpuc = this_cpu_ptr(&cpu_hw_events);
+ apic_write(APIC_LVTPC, APIC_DM_NMI);
+ zhaoxin_pmu_disable_all();
+ status = zhaoxin_pmu_get_status();
+ if (!status)
+ goto done;
+
+again:
+ if (x86_pmu.enabled_ack)
+ zxc_pmu_ack_status(status);
+ else
+ zhaoxin_pmu_ack_status(status);
+
+ inc_irq_stat(apic_perf_irqs);
+
+ /*
+ * CondChgd bit 63 doesn't mean any overflow status. Ignore
+ * and clear the bit.
+ */
+ if (__test_and_clear_bit(63, (unsigned long *)&status)) {
+ if (!status)
+ goto done;
+ }
+
+ for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
+ struct perf_event *event = cpuc->events[bit];
+
+ handled++;
+
+ if (!test_bit(bit, cpuc->active_mask))
+ continue;
+
+ x86_perf_event_update(event);
+ perf_sample_data_init(&data, 0, event->hw.last_period);
+
+ if (!x86_perf_event_set_period(event))
+ continue;
+
+ if (perf_event_overflow(event, &data, regs))
+ x86_pmu_stop(event, 0);
+ }
+
+ /*
+ * Repeat if there is more work to be done:
+ */
+ status = zhaoxin_pmu_get_status();
+ if (status)
+ goto again;
+
+done:
+ zhaoxin_pmu_enable_all(0);
+ return handled;
+}
+
+static u64 zhaoxin_pmu_event_map(int hw_event)
+{
+ return zx_pmon_event_map[hw_event];
+}
+
+static struct event_constraint *
+zhaoxin_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
+ struct perf_event *event)
+{
+ struct event_constraint *c;
+
+ if (x86_pmu.event_constraints) {
+ for_each_event_constraint(c, x86_pmu.event_constraints) {
+ if ((event->hw.config & c->cmask) == c->code)
+ return c;
+ }
+ }
+
+ return &unconstrained;
+}
+
+PMU_FORMAT_ATTR(event, "config:0-7");
+PMU_FORMAT_ATTR(umask, "config:8-15");
+PMU_FORMAT_ATTR(edge, "config:18");
+PMU_FORMAT_ATTR(inv, "config:23");
+PMU_FORMAT_ATTR(cmask, "config:24-31");
+
+static struct attribute *zx_arch_formats_attr[] = {
+ &format_attr_event.attr,
+ &format_attr_umask.attr,
+ &format_attr_edge.attr,
+ &format_attr_inv.attr,
+ &format_attr_cmask.attr,
+ NULL,
+};
+
+static ssize_t zhaoxin_event_sysfs_show(char *page, u64 config)
+{
+ u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT);
+
+ return x86_event_sysfs_show(page, config, event);
+}
+
+static const struct x86_pmu zhaoxin_pmu __initconst = {
+ .name = "zhaoxin",
+ .handle_irq = zhaoxin_pmu_handle_irq,
+ .disable_all = zhaoxin_pmu_disable_all,
+ .enable_all = zhaoxin_pmu_enable_all,
+ .enable = zhaoxin_pmu_enable_event,
+ .disable = zhaoxin_pmu_disable_event,
+ .hw_config = x86_pmu_hw_config,
+ .schedule_events = x86_schedule_events,
+ .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
+ .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
+ .event_map = zhaoxin_pmu_event_map,
+ .max_events = ARRAY_SIZE(zx_pmon_event_map),
+ .apic = 1,
+ /*
+ * For zxd/zxe, read/write operation for PMCx MSR is 48 bits.
+ */
+ .max_period = (1ULL << 47) - 1,
+ .get_event_constraints = zhaoxin_get_event_constraints,
+
+ .format_attrs = zx_arch_formats_attr,
+ .events_sysfs_show = zhaoxin_event_sysfs_show,
+};
+
+static const struct { int id; char *name; } zx_arch_events_map[] __initconst = {
+ { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" },
+ { PERF_COUNT_HW_INSTRUCTIONS, "instructions" },
+ { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" },
+ { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" },
+ { PERF_COUNT_HW_CACHE_MISSES, "cache misses" },
+ { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" },
+ { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" },
+};
+
+static __init void zhaoxin_arch_events_quirk(void)
+{
+ int bit;
+
+ /* disable event that reported as not presend by cpuid */
+ for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(zx_arch_events_map)) {
+ zx_pmon_event_map[zx_arch_events_map[bit].id] = 0;
+ pr_warn("CPUID marked event: \'%s\' unavailable\n",
+ zx_arch_events_map[bit].name);
+ }
+}
+
+__init int zhaoxin_pmu_init(void)
+{
+ union cpuid10_edx edx;
+ union cpuid10_eax eax;
+ union cpuid10_ebx ebx;
+ struct event_constraint *c;
+ unsigned int unused;
+ int version;
+
+ pr_info("Welcome to zhaoxin pmu!\n");
+
+ /*
+ * Check whether the Architectural PerfMon supports
+ * hw_event or not.
+ */
+ cpuid(10, &eax.full, &ebx.full, &unused, &edx.full);
+
+ if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT - 1)
+ return -ENODEV;
+
+ version = eax.split.version_id;
+ if (version != 2)
+ return -ENODEV;
+
+ x86_pmu = zhaoxin_pmu;
+ pr_info("Version check pass!\n");
+
+ x86_pmu.version = version;
+ x86_pmu.num_counters = eax.split.num_counters;
+ x86_pmu.cntval_bits = eax.split.bit_width;
+ x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1;
+ x86_pmu.events_maskl = ebx.full;
+ x86_pmu.events_mask_len = eax.split.mask_length;
+
+ x86_pmu.num_counters_fixed = edx.split.num_counters_fixed;
+ x86_add_quirk(zhaoxin_arch_events_quirk);
+
+ switch (boot_cpu_data.x86) {
+ case 0x06:
+ if (boot_cpu_data.x86_model == 0x0f || boot_cpu_data.x86_model == 0x19) {
+
+ x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
+
+ /* Clearing status works only if the global control is enable on zxc. */
+ x86_pmu.enabled_ack = 1;
+
+ x86_pmu.event_constraints = zxc_event_constraints;
+ zx_pmon_event_map[PERF_COUNT_HW_INSTRUCTIONS] = 0;
+ zx_pmon_event_map[PERF_COUNT_HW_CACHE_REFERENCES] = 0;
+ zx_pmon_event_map[PERF_COUNT_HW_CACHE_MISSES] = 0;
+ zx_pmon_event_map[PERF_COUNT_HW_BUS_CYCLES] = 0;
+
+ pr_cont("ZXC events, ");
+ break;
+ }
+ return -ENODEV;
+
+ case 0x07:
+ zx_pmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
+ X86_CONFIG(.event = 0x01, .umask = 0x01, .inv = 0x01, .cmask = 0x01);
+
+ zx_pmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
+ X86_CONFIG(.event = 0x0f, .umask = 0x04, .inv = 0, .cmask = 0);
+
+ switch (boot_cpu_data.x86_model) {
+ case 0x1b:
+ memcpy(hw_cache_event_ids, zxd_hw_cache_event_ids,
+ sizeof(hw_cache_event_ids));
+
+ x86_pmu.event_constraints = zxd_event_constraints;
+
+ zx_pmon_event_map[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x0700;
+ zx_pmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x0709;
+
+ pr_cont("ZXD events, ");
+ break;
+ case 0x3b:
+ memcpy(hw_cache_event_ids, zxe_hw_cache_event_ids,
+ sizeof(hw_cache_event_ids));
+
+ x86_pmu.event_constraints = zxd_event_constraints;
+
+ zx_pmon_event_map[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x0028;
+ zx_pmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x0029;
+
+ pr_cont("ZXE events, ");
+ break;
+ default:
+ return -ENODEV;
+ }
+ break;
+
+ default:
+ return -ENODEV;
+ }
+
+ x86_pmu.intel_ctrl = (1 << (x86_pmu.num_counters)) - 1;
+ x86_pmu.intel_ctrl |= ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED;
+
+ if (x86_pmu.event_constraints) {
+ for_each_event_constraint(c, x86_pmu.event_constraints) {
+ c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1;
+ c->weight += x86_pmu.num_counters;
+ }
+ }
+
+ return 0;
+}
+
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index 624f5d9b0f79..e2137070386a 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -73,7 +73,8 @@ static int hv_cpu_init(unsigned int cpu)
struct page *pg;
input_arg = (void **)this_cpu_ptr(hyperv_pcpu_input_arg);
- pg = alloc_page(GFP_KERNEL);
+ /* hv_cpu_init() can be called with IRQs disabled from hv_resume() */
+ pg = alloc_page(irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL);
if (unlikely(!pg))
return -ENOMEM;
*input_arg = page_address(pg);
@@ -96,8 +97,7 @@ static int hv_cpu_init(unsigned int cpu)
* not be stopped in the case of CPU offlining and the VM will hang.
*/
if (!*hvp) {
- *hvp = __vmalloc(PAGE_SIZE, GFP_KERNEL | __GFP_ZERO,
- PAGE_KERNEL);
+ *hvp = __vmalloc(PAGE_SIZE, GFP_KERNEL | __GFP_ZERO);
}
if (*hvp) {
@@ -225,10 +225,18 @@ static int hv_cpu_die(unsigned int cpu)
rdmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl));
if (re_ctrl.target_vp == hv_vp_index[cpu]) {
- /* Reassign to some other online CPU */
+ /*
+ * Reassign reenlightenment notifications to some other online
+ * CPU or just disable the feature if there are no online CPUs
+ * left (happens on hibernation).
+ */
new_cpu = cpumask_any_but(cpu_online_mask, cpu);
- re_ctrl.target_vp = hv_vp_index[new_cpu];
+ if (new_cpu < nr_cpu_ids)
+ re_ctrl.target_vp = hv_vp_index[new_cpu];
+ else
+ re_ctrl.enabled = 0;
+
wrmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl));
}
@@ -254,6 +262,7 @@ static int __init hv_pci_init(void)
static int hv_suspend(void)
{
union hv_x64_msr_hypercall_contents hypercall_msr;
+ int ret;
/*
* Reset the hypercall page as it is going to be invalidated
@@ -270,12 +279,17 @@ static int hv_suspend(void)
hypercall_msr.enable = 0;
wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
- return 0;
+ ret = hv_cpu_die(0);
+ return ret;
}
static void hv_resume(void)
{
union hv_x64_msr_hypercall_contents hypercall_msr;
+ int ret;
+
+ ret = hv_cpu_init(0);
+ WARN_ON(ret);
/* Re-enable the hypercall page */
rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
@@ -286,8 +300,16 @@ static void hv_resume(void)
hv_hypercall_pg = hv_hypercall_pg_saved;
hv_hypercall_pg_saved = NULL;
+
+ /*
+ * Reenlightenment notifications are disabled by hv_cpu_die(0),
+ * reenable them here if hv_reenlightenment_cb was previously set.
+ */
+ if (hv_reenlightenment_cb)
+ set_hv_tscchange_cb(hv_reenlightenment_cb);
}
+/* Note: when the ops are called, only CPU0 is online and IRQs are disabled. */
static struct syscore_ops hv_syscore_ops = {
.suspend = hv_suspend,
.resume = hv_resume,
@@ -356,7 +378,7 @@ void __init hyperv_init(void)
guest_id = generate_guest_id(0, LINUX_VERSION_CODE, 0);
wrmsrl(HV_X64_MSR_GUEST_OS_ID, guest_id);
- hv_hypercall_pg = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX);
+ hv_hypercall_pg = vmalloc_exec(PAGE_SIZE);
if (hv_hypercall_pg == NULL) {
wrmsrl(HV_X64_MSR_GUEST_OS_ID, 0);
goto remove_cpuhp_state;
diff --git a/arch/x86/ia32/audit.c b/arch/x86/ia32/audit.c
index 3d21eab7aaed..6efe6cb3768a 100644
--- a/arch/x86/ia32/audit.c
+++ b/arch/x86/ia32/audit.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <asm/unistd_32.h>
+#include <asm/audit.h>
unsigned ia32_dir_class[] = {
#include <asm-generic/audit_dir_write.h>
diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c
index f9d8804144d0..81cf22398cd1 100644
--- a/arch/x86/ia32/ia32_signal.c
+++ b/arch/x86/ia32/ia32_signal.c
@@ -350,7 +350,7 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
unsafe_put_user(*(__u64 *)set, (__u64 *)&frame->uc.uc_sigmask, Efault);
user_access_end();
- if (__copy_siginfo_to_user32(&frame->info, &ksig->info, false))
+ if (__copy_siginfo_to_user32(&frame->info, &ksig->info))
return -EFAULT;
/* Set up registers for signal handler */
diff --git a/arch/x86/include/asm/GEN-for-each-reg.h b/arch/x86/include/asm/GEN-for-each-reg.h
new file mode 100644
index 000000000000..1b07fb102c4e
--- /dev/null
+++ b/arch/x86/include/asm/GEN-for-each-reg.h
@@ -0,0 +1,25 @@
+#ifdef CONFIG_64BIT
+GEN(rax)
+GEN(rbx)
+GEN(rcx)
+GEN(rdx)
+GEN(rsi)
+GEN(rdi)
+GEN(rbp)
+GEN(r8)
+GEN(r9)
+GEN(r10)
+GEN(r11)
+GEN(r12)
+GEN(r13)
+GEN(r14)
+GEN(r15)
+#else
+GEN(eax)
+GEN(ebx)
+GEN(ecx)
+GEN(edx)
+GEN(esi)
+GEN(edi)
+GEN(ebp)
+#endif
diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h
index 99bb207fc04c..87ce8e963215 100644
--- a/arch/x86/include/asm/apb_timer.h
+++ b/arch/x86/include/asm/apb_timer.h
@@ -25,11 +25,7 @@
#define APBT_MIN_FREQ 1000000
#define APBT_MMAP_SIZE 1024
-#define APBT_DEV_USED 1
-
extern void apbt_time_init(void);
-extern unsigned long apbt_quick_calibrate(void);
-extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
extern void apbt_setup_secondary_clock(void);
extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
@@ -38,7 +34,6 @@ extern int sfi_mtimer_num;
#else /* CONFIG_APB_TIMER */
-static inline unsigned long apbt_quick_calibrate(void) {return 0; }
static inline void apbt_time_init(void) { }
#endif
diff --git a/arch/x86/include/asm/archrandom.h b/arch/x86/include/asm/archrandom.h
index 7a4bb1bd4bdb..ebc248e49549 100644
--- a/arch/x86/include/asm/archrandom.h
+++ b/arch/x86/include/asm/archrandom.h
@@ -15,16 +15,6 @@
#define RDRAND_RETRY_LOOPS 10
-#define RDRAND_INT ".byte 0x0f,0xc7,0xf0"
-#define RDSEED_INT ".byte 0x0f,0xc7,0xf8"
-#ifdef CONFIG_X86_64
-# define RDRAND_LONG ".byte 0x48,0x0f,0xc7,0xf0"
-# define RDSEED_LONG ".byte 0x48,0x0f,0xc7,0xf8"
-#else
-# define RDRAND_LONG RDRAND_INT
-# define RDSEED_LONG RDSEED_INT
-#endif
-
/* Unconditional execution of RDRAND and RDSEED */
static inline bool __must_check rdrand_long(unsigned long *v)
@@ -32,9 +22,9 @@ static inline bool __must_check rdrand_long(unsigned long *v)
bool ok;
unsigned int retry = RDRAND_RETRY_LOOPS;
do {
- asm volatile(RDRAND_LONG
+ asm volatile("rdrand %[out]"
CC_SET(c)
- : CC_OUT(c) (ok), "=a" (*v));
+ : CC_OUT(c) (ok), [out] "=r" (*v));
if (ok)
return true;
} while (--retry);
@@ -46,9 +36,9 @@ static inline bool __must_check rdrand_int(unsigned int *v)
bool ok;
unsigned int retry = RDRAND_RETRY_LOOPS;
do {
- asm volatile(RDRAND_INT
+ asm volatile("rdrand %[out]"
CC_SET(c)
- : CC_OUT(c) (ok), "=a" (*v));
+ : CC_OUT(c) (ok), [out] "=r" (*v));
if (ok)
return true;
} while (--retry);
@@ -58,18 +48,18 @@ static inline bool __must_check rdrand_int(unsigned int *v)
static inline bool __must_check rdseed_long(unsigned long *v)
{
bool ok;
- asm volatile(RDSEED_LONG
+ asm volatile("rdseed %[out]"
CC_SET(c)
- : CC_OUT(c) (ok), "=a" (*v));
+ : CC_OUT(c) (ok), [out] "=r" (*v));
return ok;
}
static inline bool __must_check rdseed_int(unsigned int *v)
{
bool ok;
- asm volatile(RDSEED_INT
+ asm volatile("rdseed %[out]"
CC_SET(c)
- : CC_OUT(c) (ok), "=a" (*v));
+ : CC_OUT(c) (ok), [out] "=r" (*v));
return ok;
}
diff --git a/arch/x86/include/asm/asm-prototypes.h b/arch/x86/include/asm/asm-prototypes.h
index ce92c4acc913..9bf2620ce817 100644
--- a/arch/x86/include/asm/asm-prototypes.h
+++ b/arch/x86/include/asm/asm-prototypes.h
@@ -17,24 +17,19 @@ extern void cmpxchg8b_emu(void);
#endif
#ifdef CONFIG_RETPOLINE
-#ifdef CONFIG_X86_32
-#define INDIRECT_THUNK(reg) extern asmlinkage void __x86_indirect_thunk_e ## reg(void);
-#else
-#define INDIRECT_THUNK(reg) extern asmlinkage void __x86_indirect_thunk_r ## reg(void);
-INDIRECT_THUNK(8)
-INDIRECT_THUNK(9)
-INDIRECT_THUNK(10)
-INDIRECT_THUNK(11)
-INDIRECT_THUNK(12)
-INDIRECT_THUNK(13)
-INDIRECT_THUNK(14)
-INDIRECT_THUNK(15)
-#endif
-INDIRECT_THUNK(ax)
-INDIRECT_THUNK(bx)
-INDIRECT_THUNK(cx)
-INDIRECT_THUNK(dx)
-INDIRECT_THUNK(si)
-INDIRECT_THUNK(di)
-INDIRECT_THUNK(bp)
+
+#define DECL_INDIRECT_THUNK(reg) \
+ extern asmlinkage void __x86_indirect_thunk_ ## reg (void);
+
+#define DECL_RETPOLINE(reg) \
+ extern asmlinkage void __x86_retpoline_ ## reg (void);
+
+#undef GEN
+#define GEN(reg) DECL_INDIRECT_THUNK(reg)
+#include <asm/GEN-for-each-reg.h>
+
+#undef GEN
+#define GEN(reg) DECL_RETPOLINE(reg)
+#include <asm/GEN-for-each-reg.h>
+
#endif /* CONFIG_RETPOLINE */
diff --git a/arch/x86/include/asm/audit.h b/arch/x86/include/asm/audit.h
new file mode 100644
index 000000000000..36aec57ea7a3
--- /dev/null
+++ b/arch/x86/include/asm/audit.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_AUDIT_H
+#define _ASM_X86_AUDIT_H
+
+int ia32_classify_syscall(unsigned int syscall);
+
+#endif /* _ASM_X86_AUDIT_H */
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 53f246e9df5a..0367efdc5b7a 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -52,9 +52,9 @@ static __always_inline void
arch_set_bit(long nr, volatile unsigned long *addr)
{
if (__builtin_constant_p(nr)) {
- asm volatile(LOCK_PREFIX "orb %1,%0"
+ asm volatile(LOCK_PREFIX "orb %b1,%0"
: CONST_MASK_ADDR(nr, addr)
- : "iq" (CONST_MASK(nr) & 0xff)
+ : "iq" (CONST_MASK(nr))
: "memory");
} else {
asm volatile(LOCK_PREFIX __ASM_SIZE(bts) " %1,%0"
@@ -72,9 +72,9 @@ static __always_inline void
arch_clear_bit(long nr, volatile unsigned long *addr)
{
if (__builtin_constant_p(nr)) {
- asm volatile(LOCK_PREFIX "andb %1,%0"
+ asm volatile(LOCK_PREFIX "andb %b1,%0"
: CONST_MASK_ADDR(nr, addr)
- : "iq" (CONST_MASK(nr) ^ 0xff));
+ : "iq" (~CONST_MASK(nr)));
} else {
asm volatile(LOCK_PREFIX __ASM_SIZE(btr) " %1,%0"
: : RLONG_ADDR(addr), "Ir" (nr) : "memory");
@@ -123,9 +123,9 @@ static __always_inline void
arch_change_bit(long nr, volatile unsigned long *addr)
{
if (__builtin_constant_p(nr)) {
- asm volatile(LOCK_PREFIX "xorb %1,%0"
+ asm volatile(LOCK_PREFIX "xorb %b1,%0"
: CONST_MASK_ADDR(nr, addr)
- : "iq" ((u8)CONST_MASK(nr)));
+ : "iq" (CONST_MASK(nr)));
} else {
asm volatile(LOCK_PREFIX __ASM_SIZE(btc) " %1,%0"
: : RLONG_ADDR(addr), "Ir" (nr) : "memory");
diff --git a/arch/x86/include/asm/checksum.h b/arch/x86/include/asm/checksum.h
index d79d1e622dcf..0ada98d5d09f 100644
--- a/arch/x86/include/asm/checksum.h
+++ b/arch/x86/include/asm/checksum.h
@@ -1,4 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER 1
+#define HAVE_CSUM_COPY_USER
#ifdef CONFIG_X86_32
# include <asm/checksum_32.h>
#else
diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h
index f57b94e02c57..11624c8a9d8d 100644
--- a/arch/x86/include/asm/checksum_32.h
+++ b/arch/x86/include/asm/checksum_32.h
@@ -44,18 +44,21 @@ static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);
}
-static inline __wsum csum_partial_copy_from_user(const void __user *src,
- void *dst,
- int len, __wsum sum,
- int *err_ptr)
+static inline __wsum csum_and_copy_from_user(const void __user *src,
+ void *dst, int len,
+ __wsum sum, int *err_ptr)
{
__wsum ret;
might_sleep();
- stac();
+ if (!user_access_begin(src, len)) {
+ if (len)
+ *err_ptr = -EFAULT;
+ return sum;
+ }
ret = csum_partial_copy_generic((__force void *)src, dst,
len, sum, err_ptr, NULL);
- clac();
+ user_access_end();
return ret;
}
@@ -173,7 +176,6 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
/*
* Copy and checksum to user
*/
-#define HAVE_CSUM_COPY_USER
static inline __wsum csum_and_copy_to_user(const void *src,
void __user *dst,
int len, __wsum sum,
@@ -182,11 +184,10 @@ static inline __wsum csum_and_copy_to_user(const void *src,
__wsum ret;
might_sleep();
- if (access_ok(dst, len)) {
- stac();
+ if (user_access_begin(dst, len)) {
ret = csum_partial_copy_generic(src, (__force void *)dst,
len, sum, NULL, err_ptr);
- clac();
+ user_access_end();
return ret;
}
diff --git a/arch/x86/include/asm/checksum_64.h b/arch/x86/include/asm/checksum_64.h
index 3ec6d3267cf9..0a289b87e872 100644
--- a/arch/x86/include/asm/checksum_64.h
+++ b/arch/x86/include/asm/checksum_64.h
@@ -129,27 +129,19 @@ static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr,
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
-#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER 1
-#define HAVE_CSUM_COPY_USER 1
-
-
/* Do not call this directly. Use the wrappers below */
extern __visible __wsum csum_partial_copy_generic(const void *src, const void *dst,
int len, __wsum sum,
int *src_err_ptr, int *dst_err_ptr);
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+extern __wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum isum, int *errp);
-extern __wsum csum_partial_copy_to_user(const void *src, void __user *dst,
+extern __wsum csum_and_copy_to_user(const void *src, void __user *dst,
int len, __wsum isum, int *errp);
extern __wsum csum_partial_copy_nocheck(const void *src, void *dst,
int len, __wsum sum);
-/* Old names. To be removed. */
-#define csum_and_copy_to_user csum_partial_copy_to_user
-#define csum_and_copy_from_user csum_partial_copy_from_user
-
/**
* ip_compute_csum - Compute an 16bit IP checksum.
* @buff: buffer address.
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 52e9f3480f69..d4edf281fff4 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -214,7 +214,11 @@ static inline bool in_compat_syscall(void)
#endif
struct compat_siginfo;
-int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
- const kernel_siginfo_t *from, bool x32_ABI);
+
+#ifdef CONFIG_X86_X32_ABI
+int copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const kernel_siginfo_t *from);
+#define copy_siginfo_to_user32 copy_siginfo_to_user32
+#endif /* CONFIG_X86_X32_ABI */
#endif /* _ASM_X86_COMPAT_H */
diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h
index cf3d621c6892..eb8fcede9e3b 100644
--- a/arch/x86/include/asm/cpu_device_id.h
+++ b/arch/x86/include/asm/cpu_device_id.h
@@ -20,12 +20,14 @@
#define X86_CENTAUR_FAM6_C7_D 0xd
#define X86_CENTAUR_FAM6_NANO 0xf
+#define X86_STEPPINGS(mins, maxs) GENMASK(maxs, mins)
/**
- * X86_MATCH_VENDOR_FAM_MODEL_FEATURE - Base macro for CPU matching
+ * X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE - Base macro for CPU matching
* @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY
* The name is expanded to X86_VENDOR_@_vendor
* @_family: The family number or X86_FAMILY_ANY
* @_model: The model number, model constant or X86_MODEL_ANY
+ * @_steppings: Bitmask for steppings, stepping constant or X86_STEPPING_ANY
* @_feature: A X86_FEATURE bit or X86_FEATURE_ANY
* @_data: Driver specific data or NULL. The internal storage
* format is unsigned long. The supplied value, pointer
@@ -37,16 +39,35 @@
* into another macro at the usage site for good reasons, then please
* start this local macro with X86_MATCH to allow easy grepping.
*/
-#define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(_vendor, _family, _model, \
- _feature, _data) { \
+#define X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(_vendor, _family, _model, \
+ _steppings, _feature, _data) { \
.vendor = X86_VENDOR_##_vendor, \
.family = _family, \
.model = _model, \
+ .steppings = _steppings, \
.feature = _feature, \
.driver_data = (unsigned long) _data \
}
/**
+ * X86_MATCH_VENDOR_FAM_MODEL_FEATURE - Macro for CPU matching
+ * @_vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY
+ * The name is expanded to X86_VENDOR_@_vendor
+ * @_family: The family number or X86_FAMILY_ANY
+ * @_model: The model number, model constant or X86_MODEL_ANY
+ * @_feature: A X86_FEATURE bit or X86_FEATURE_ANY
+ * @_data: Driver specific data or NULL. The internal storage
+ * format is unsigned long. The supplied value, pointer
+ * etc. is casted to unsigned long internally.
+ *
+ * The steppings arguments of X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE() is
+ * set to wildcards.
+ */
+#define X86_MATCH_VENDOR_FAM_MODEL_FEATURE(vendor, family, model, feature, data) \
+ X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(vendor, family, model, \
+ X86_STEPPING_ANY, feature, data)
+
+/**
* X86_MATCH_VENDOR_FAM_FEATURE - Macro for matching vendor, family and CPU feature
* @vendor: The vendor name, e.g. INTEL, AMD, HYGON, ..., ANY
* The name is expanded to X86_VENDOR_@vendor
@@ -139,6 +160,10 @@
#define X86_MATCH_INTEL_FAM6_MODEL(model, data) \
X86_MATCH_VENDOR_FAM_MODEL(INTEL, 6, INTEL_FAM6_##model, data)
+#define X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(model, steppings, data) \
+ X86_MATCH_VENDOR_FAM_MODEL_STEPPINGS_FEATURE(INTEL, 6, INTEL_FAM6_##model, \
+ steppings, X86_FEATURE_ANY, data)
+
/*
* Match specific microcode revisions.
*
diff --git a/arch/x86/include/asm/delay.h b/arch/x86/include/asm/delay.h
index de9e7841f953..630891d25819 100644
--- a/arch/x86/include/asm/delay.h
+++ b/arch/x86/include/asm/delay.h
@@ -3,8 +3,10 @@
#define _ASM_X86_DELAY_H
#include <asm-generic/delay.h>
+#include <linux/init.h>
-void use_tsc_delay(void);
+void __init use_tsc_delay(void);
+void __init use_tpause_delay(void);
void use_mwaitx_delay(void);
#endif /* _ASM_X86_DELAY_H */
diff --git a/arch/x86/include/asm/device.h b/arch/x86/include/asm/device.h
index 7e31f7f1bb06..49bd6cf3eec9 100644
--- a/arch/x86/include/asm/device.h
+++ b/arch/x86/include/asm/device.h
@@ -3,7 +3,7 @@
#define _ASM_X86_DEVICE_H
struct dev_archdata {
-#if defined(CONFIG_INTEL_IOMMU) || defined(CONFIG_AMD_IOMMU)
+#ifdef CONFIG_IOMMU_API
void *iommu; /* hook for IOMMU specific extension */
#endif
};
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h
index 00f7cf45e699..8e95aa4b0d17 100644
--- a/arch/x86/include/asm/dma.h
+++ b/arch/x86/include/asm/dma.h
@@ -74,7 +74,7 @@
#define MAX_DMA_PFN ((16UL * 1024 * 1024) >> PAGE_SHIFT)
/* 4GB broken PCI/AGP hardware bus master zone */
-#define MAX_DMA32_PFN ((4UL * 1024 * 1024 * 1024) >> PAGE_SHIFT)
+#define MAX_DMA32_PFN (1UL << (32 - PAGE_SHIFT))
#ifdef CONFIG_X86_32
/* The maximum address that we can perform a DMA transfer to on this platform */
diff --git a/arch/x86/include/asm/doublefault.h b/arch/x86/include/asm/doublefault.h
index af9a14ac8962..54a6e4a2e132 100644
--- a/arch/x86/include/asm/doublefault.h
+++ b/arch/x86/include/asm/doublefault.h
@@ -2,7 +2,7 @@
#ifndef _ASM_X86_DOUBLEFAULT_H
#define _ASM_X86_DOUBLEFAULT_H
-#if defined(CONFIG_X86_32) && defined(CONFIG_DOUBLEFAULT)
+#ifdef CONFIG_X86_32
extern void doublefault_init_cpu_tss(void);
#else
static inline void doublefault_init_cpu_tss(void)
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index 8391c115c0ec..89dcc7aa7e2c 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -9,6 +9,7 @@
#include <asm/nospec-branch.h>
#include <asm/mmu_context.h>
#include <linux/build_bug.h>
+#include <linux/kernel.h>
extern unsigned long efi_fw_vendor, efi_config_table;
@@ -225,14 +226,21 @@ efi_status_t efi_set_virtual_address_map(unsigned long memory_map_size,
/* arch specific definitions used by the stub code */
-__attribute_const__ bool efi_is_64bit(void);
+#ifdef CONFIG_EFI_MIXED
+
+#define ARCH_HAS_EFISTUB_WRAPPERS
+
+static inline bool efi_is_64bit(void)
+{
+ extern const bool efi_is64;
+
+ return efi_is64;
+}
static inline bool efi_is_native(void)
{
if (!IS_ENABLED(CONFIG_X86_64))
return true;
- if (!IS_ENABLED(CONFIG_EFI_MIXED))
- return true;
return efi_is_64bit();
}
@@ -286,6 +294,15 @@ static inline u32 efi64_convert_status(efi_status_t status)
#define __efi64_argmap_allocate_pool(type, size, buffer) \
((type), (size), efi64_zero_upper(buffer))
+#define __efi64_argmap_create_event(type, tpl, f, c, event) \
+ ((type), (tpl), (f), (c), efi64_zero_upper(event))
+
+#define __efi64_argmap_set_timer(event, type, time) \
+ ((event), (type), lower_32_bits(time), upper_32_bits(time))
+
+#define __efi64_argmap_wait_for_event(num, event, index) \
+ ((num), (event), efi64_zero_upper(index))
+
#define __efi64_argmap_handle_protocol(handle, protocol, interface) \
((handle), (protocol), efi64_zero_upper(interface))
@@ -307,6 +324,10 @@ static inline u32 efi64_convert_status(efi_status_t status)
#define __efi64_argmap_load_file(protocol, path, policy, bufsize, buf) \
((protocol), (path), (policy), efi64_zero_upper(bufsize), (buf))
+/* Graphics Output Protocol */
+#define __efi64_argmap_query_mode(gop, mode, size, info) \
+ ((gop), (mode), efi64_zero_upper(size), efi64_zero_upper(info))
+
/*
* The macros below handle the plumbing for the argument mapping. To add a
* mapping for a specific EFI method, simply define a macro
@@ -335,15 +356,26 @@ static inline u32 efi64_convert_status(efi_status_t status)
#define efi_bs_call(func, ...) \
(efi_is_native() \
- ? efi_system_table()->boottime->func(__VA_ARGS__) \
- : __efi64_thunk_map(efi_table_attr(efi_system_table(), \
- boottime), func, __VA_ARGS__))
+ ? efi_system_table->boottime->func(__VA_ARGS__) \
+ : __efi64_thunk_map(efi_table_attr(efi_system_table, \
+ boottime), \
+ func, __VA_ARGS__))
#define efi_rt_call(func, ...) \
(efi_is_native() \
- ? efi_system_table()->runtime->func(__VA_ARGS__) \
- : __efi64_thunk_map(efi_table_attr(efi_system_table(), \
- runtime), func, __VA_ARGS__))
+ ? efi_system_table->runtime->func(__VA_ARGS__) \
+ : __efi64_thunk_map(efi_table_attr(efi_system_table, \
+ runtime), \
+ func, __VA_ARGS__))
+
+#else /* CONFIG_EFI_MIXED */
+
+static inline bool efi_is_64bit(void)
+{
+ return IS_ENABLED(CONFIG_X86_64);
+}
+
+#endif /* CONFIG_EFI_MIXED */
extern bool efi_reboot_required(void);
extern bool efi_is_table_address(unsigned long phys_addr);
diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h
index 7ec59edde154..d43717b423cb 100644
--- a/arch/x86/include/asm/floppy.h
+++ b/arch/x86/include/asm/floppy.h
@@ -31,8 +31,8 @@
#define CSW fd_routine[can_use_virtual_dma & 1]
-#define fd_inb(port) inb_p(port)
-#define fd_outb(value, port) outb_p(value, port)
+#define fd_inb(base, reg) inb_p((base) + (reg))
+#define fd_outb(value, base, reg) outb_p(value, (base) + (reg))
#define fd_request_dma() CSW._request_dma(FLOPPY_DMA, "floppy")
#define fd_free_dma() CSW._free_dma(FLOPPY_DMA)
@@ -77,25 +77,26 @@ static irqreturn_t floppy_hardint(int irq, void *dev_id)
st = 1;
for (lcount = virtual_dma_count, lptr = virtual_dma_addr;
lcount; lcount--, lptr++) {
- st = inb(virtual_dma_port + 4) & 0xa0;
- if (st != 0xa0)
+ st = inb(virtual_dma_port + FD_STATUS);
+ st &= STATUS_DMA | STATUS_READY;
+ if (st != (STATUS_DMA | STATUS_READY))
break;
if (virtual_dma_mode)
- outb_p(*lptr, virtual_dma_port + 5);
+ outb_p(*lptr, virtual_dma_port + FD_DATA);
else
- *lptr = inb_p(virtual_dma_port + 5);
+ *lptr = inb_p(virtual_dma_port + FD_DATA);
}
virtual_dma_count = lcount;
virtual_dma_addr = lptr;
- st = inb(virtual_dma_port + 4);
+ st = inb(virtual_dma_port + FD_STATUS);
}
#ifdef TRACE_FLPY_INT
calls++;
#endif
- if (st == 0x20)
+ if (st == STATUS_DMA)
return IRQ_HANDLED;
- if (!(st & 0x20)) {
+ if (!(st & STATUS_DMA)) {
virtual_dma_residue += virtual_dma_count;
virtual_dma_count = 0;
#ifdef TRACE_FLPY_INT
diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h
index 44c48e34d799..42159f45bf9c 100644
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -31,7 +31,8 @@ extern void fpu__save(struct fpu *fpu);
extern int fpu__restore_sig(void __user *buf, int ia32_frame);
extern void fpu__drop(struct fpu *fpu);
extern int fpu__copy(struct task_struct *dst, struct task_struct *src);
-extern void fpu__clear(struct fpu *fpu);
+extern void fpu__clear_user_states(struct fpu *fpu);
+extern void fpu__clear_all(struct fpu *fpu);
extern int fpu__exception_code(struct fpu *fpu, int trap_nr);
extern int dump_fpu(struct pt_regs *ptregs, struct user_i387_struct *fpstate);
@@ -92,7 +93,7 @@ static inline void fpstate_init_xstate(struct xregs_state *xsave)
* XRSTORS requires these bits set in xcomp_bv, or it will
* trigger #GP:
*/
- xsave->header.xcomp_bv = XCOMP_BV_COMPACTED_FORMAT | xfeatures_mask;
+ xsave->header.xcomp_bv = XCOMP_BV_COMPACTED_FORMAT | xfeatures_mask_all;
}
static inline void fpstate_init_fxstate(struct fxregs_state *fx)
@@ -399,7 +400,10 @@ static inline int copy_kernel_to_xregs_err(struct xregs_state *xstate, u64 mask)
u32 hmask = mask >> 32;
int err;
- XSTATE_OP(XRSTOR, xstate, lmask, hmask, err);
+ if (static_cpu_has(X86_FEATURE_XSAVES))
+ XSTATE_OP(XRSTORS, xstate, lmask, hmask, err);
+ else
+ XSTATE_OP(XRSTOR, xstate, lmask, hmask, err);
return err;
}
diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index c6136d79f8c0..422d8369012a 100644
--- a/arch/x86/include/asm/fpu/xstate.h
+++ b/arch/x86/include/asm/fpu/xstate.h
@@ -21,19 +21,29 @@
#define XSAVE_YMM_SIZE 256
#define XSAVE_YMM_OFFSET (XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET)
-/* Supervisor features */
-#define XFEATURE_MASK_SUPERVISOR (XFEATURE_MASK_PT)
-
-/* All currently supported features */
-#define XCNTXT_MASK (XFEATURE_MASK_FP | \
- XFEATURE_MASK_SSE | \
- XFEATURE_MASK_YMM | \
- XFEATURE_MASK_OPMASK | \
- XFEATURE_MASK_ZMM_Hi256 | \
- XFEATURE_MASK_Hi16_ZMM | \
- XFEATURE_MASK_PKRU | \
- XFEATURE_MASK_BNDREGS | \
- XFEATURE_MASK_BNDCSR)
+/* All currently supported user features */
+#define XFEATURE_MASK_USER_SUPPORTED (XFEATURE_MASK_FP | \
+ XFEATURE_MASK_SSE | \
+ XFEATURE_MASK_YMM | \
+ XFEATURE_MASK_OPMASK | \
+ XFEATURE_MASK_ZMM_Hi256 | \
+ XFEATURE_MASK_Hi16_ZMM | \
+ XFEATURE_MASK_PKRU | \
+ XFEATURE_MASK_BNDREGS | \
+ XFEATURE_MASK_BNDCSR)
+
+/* All currently supported supervisor features */
+#define XFEATURE_MASK_SUPERVISOR_SUPPORTED (0)
+
+/*
+ * Unsupported supervisor features. When a supervisor feature in this mask is
+ * supported in the future, move it to the supported supervisor feature mask.
+ */
+#define XFEATURE_MASK_SUPERVISOR_UNSUPPORTED (XFEATURE_MASK_PT)
+
+/* All supervisor states including supported and unsupported states. */
+#define XFEATURE_MASK_SUPERVISOR_ALL (XFEATURE_MASK_SUPERVISOR_SUPPORTED | \
+ XFEATURE_MASK_SUPERVISOR_UNSUPPORTED)
#ifdef CONFIG_X86_64
#define REX_PREFIX "0x48, "
@@ -41,7 +51,18 @@
#define REX_PREFIX
#endif
-extern u64 xfeatures_mask;
+extern u64 xfeatures_mask_all;
+
+static inline u64 xfeatures_mask_supervisor(void)
+{
+ return xfeatures_mask_all & XFEATURE_MASK_SUPERVISOR_SUPPORTED;
+}
+
+static inline u64 xfeatures_mask_user(void)
+{
+ return xfeatures_mask_all & XFEATURE_MASK_USER_SUPPORTED;
+}
+
extern u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS];
extern void __init update_regset_xstate_info(unsigned int size,
@@ -54,8 +75,9 @@ int copy_xstate_to_kernel(void *kbuf, struct xregs_state *xsave, unsigned int of
int copy_xstate_to_user(void __user *ubuf, struct xregs_state *xsave, unsigned int offset, unsigned int size);
int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf);
int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf);
+void copy_supervisor_to_kernel(struct xregs_state *xsave);
/* Validate an xstate header supplied by userspace (ptrace or sigreturn) */
-extern int validate_xstate_header(const struct xstate_header *hdr);
+int validate_user_xstate_header(const struct xstate_header *hdr);
#endif
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 85be2f506272..84b9449be080 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -56,16 +56,23 @@ struct dyn_arch_ftrace {
#ifndef __ASSEMBLY__
+#if defined(CONFIG_FUNCTION_TRACER) && defined(CONFIG_DYNAMIC_FTRACE)
+extern void set_ftrace_ops_ro(void);
+#else
+static inline void set_ftrace_ops_ro(void) { }
+#endif
+
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
{
/*
* Compare the symbol name with the system call name. Skip the
- * "__x64_sys", "__ia32_sys" or simple "sys" prefix.
+ * "__x64_sys", "__ia32_sys", "__do_sys" or simple "sys" prefix.
*/
return !strcmp(sym + 3, name + 3) ||
(!strncmp(sym, "__x64_", 6) && !strcmp(sym + 9, name + 3)) ||
- (!strncmp(sym, "__ia32_", 7) && !strcmp(sym + 10, name + 3));
+ (!strncmp(sym, "__ia32_", 7) && !strcmp(sym + 10, name + 3)) ||
+ (!strncmp(sym, "__do_sys", 8) && !strcmp(sym + 8, name + 3));
}
#ifndef COMPILE_OFFSETS
diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
index f65cfb48cfdd..1721b1aadeb1 100644
--- a/arch/x86/include/asm/hugetlb.h
+++ b/arch/x86/include/asm/hugetlb.h
@@ -7,14 +7,4 @@
#define hugepages_supported() boot_cpu_has(X86_FEATURE_PSE)
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#endif /* _ASM_X86_HUGETLB_H */
diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h
index 29336574d0bc..7a4d2062385c 100644
--- a/arch/x86/include/asm/hyperv-tlfs.h
+++ b/arch/x86/include/asm/hyperv-tlfs.h
@@ -11,17 +11,6 @@
#include <linux/types.h>
#include <asm/page.h>
-
-/*
- * While not explicitly listed in the TLFS, Hyper-V always runs with a page size
- * of 4096. These definitions are used when communicating with Hyper-V using
- * guest physical pages and guest physical page addresses, since the guest page
- * size may not be 4096 on all architectures.
- */
-#define HV_HYP_PAGE_SHIFT 12
-#define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT)
-#define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1))
-
/*
* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
* is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
@@ -39,78 +28,41 @@
#define HYPERV_CPUID_MAX 0x4000ffff
/*
- * Feature identification. EAX indicates which features are available
- * to the partition based upon the current partition privileges.
- * These are HYPERV_CPUID_FEATURES.EAX bits.
+ * Aliases for Group A features that have X64 in the name.
+ * On x86/x64 these are HYPERV_CPUID_FEATURES.EAX bits.
*/
-/* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
-#define HV_X64_MSR_VP_RUNTIME_AVAILABLE BIT(0)
-/* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
-#define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1)
-/*
- * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
- * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
- */
-#define HV_X64_MSR_SYNIC_AVAILABLE BIT(2)
-/*
- * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
- * HV_X64_MSR_STIMER3_COUNT) available
- */
-#define HV_MSR_SYNTIMER_AVAILABLE BIT(3)
-/*
- * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
- * are available
- */
-#define HV_X64_MSR_APIC_ACCESS_AVAILABLE BIT(4)
-/* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
-#define HV_X64_MSR_HYPERCALL_AVAILABLE BIT(5)
-/* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
-#define HV_X64_MSR_VP_INDEX_AVAILABLE BIT(6)
-/* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
-#define HV_X64_MSR_RESET_AVAILABLE BIT(7)
-/*
- * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
- * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
- * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
- */
-#define HV_X64_MSR_STAT_PAGES_AVAILABLE BIT(8)
-/* Partition reference TSC MSR is available */
-#define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9)
-/* Partition Guest IDLE MSR is available */
-#define HV_X64_MSR_GUEST_IDLE_AVAILABLE BIT(10)
-/*
- * There is a single feature flag that signifies if the partition has access
- * to MSRs with local APIC and TSC frequencies.
- */
-#define HV_X64_ACCESS_FREQUENCY_MSRS BIT(11)
-/* AccessReenlightenmentControls privilege */
-#define HV_X64_ACCESS_REENLIGHTENMENT BIT(13)
-/* AccessTscInvariantControls privilege */
-#define HV_X64_ACCESS_TSC_INVARIANT BIT(15)
+#define HV_X64_MSR_VP_RUNTIME_AVAILABLE \
+ HV_MSR_VP_RUNTIME_AVAILABLE
+#define HV_X64_MSR_SYNIC_AVAILABLE \
+ HV_MSR_SYNIC_AVAILABLE
+#define HV_X64_MSR_APIC_ACCESS_AVAILABLE \
+ HV_MSR_APIC_ACCESS_AVAILABLE
+#define HV_X64_MSR_HYPERCALL_AVAILABLE \
+ HV_MSR_HYPERCALL_AVAILABLE
+#define HV_X64_MSR_VP_INDEX_AVAILABLE \
+ HV_MSR_VP_INDEX_AVAILABLE
+#define HV_X64_MSR_RESET_AVAILABLE \
+ HV_MSR_RESET_AVAILABLE
+#define HV_X64_MSR_GUEST_IDLE_AVAILABLE \
+ HV_MSR_GUEST_IDLE_AVAILABLE
+#define HV_X64_ACCESS_FREQUENCY_MSRS \
+ HV_ACCESS_FREQUENCY_MSRS
+#define HV_X64_ACCESS_REENLIGHTENMENT \
+ HV_ACCESS_REENLIGHTENMENT
+#define HV_X64_ACCESS_TSC_INVARIANT \
+ HV_ACCESS_TSC_INVARIANT
/*
- * Feature identification: indicates which flags were specified at partition
- * creation. The format is the same as the partition creation flag structure
- * defined in section Partition Creation Flags.
- * These are HYPERV_CPUID_FEATURES.EBX bits.
+ * Aliases for Group B features that have X64 in the name.
+ * On x86/x64 these are HYPERV_CPUID_FEATURES.EBX bits.
*/
-#define HV_X64_CREATE_PARTITIONS BIT(0)
-#define HV_X64_ACCESS_PARTITION_ID BIT(1)
-#define HV_X64_ACCESS_MEMORY_POOL BIT(2)
-#define HV_X64_ADJUST_MESSAGE_BUFFERS BIT(3)
-#define HV_X64_POST_MESSAGES BIT(4)
-#define HV_X64_SIGNAL_EVENTS BIT(5)
-#define HV_X64_CREATE_PORT BIT(6)
-#define HV_X64_CONNECT_PORT BIT(7)
-#define HV_X64_ACCESS_STATS BIT(8)
-#define HV_X64_DEBUGGING BIT(11)
-#define HV_X64_CPU_POWER_MANAGEMENT BIT(12)
+#define HV_X64_POST_MESSAGES HV_POST_MESSAGES
+#define HV_X64_SIGNAL_EVENTS HV_SIGNAL_EVENTS
/*
- * Feature identification. EDX indicates which miscellaneous features
- * are available to the partition.
- * These are HYPERV_CPUID_FEATURES.EDX bits.
+ * Group D Features. The bit assignments are custom to each architecture.
+ * On x86/x64 these are HYPERV_CPUID_FEATURES.EDX bits.
*/
/* The MWAIT instruction is available (per section MONITOR / MWAIT) */
#define HV_X64_MWAIT_AVAILABLE BIT(0)
@@ -131,6 +83,8 @@
#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE BIT(8)
/* Crash MSR available */
#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE BIT(10)
+/* Support for debug MSRs available */
+#define HV_FEATURE_DEBUG_MSRS_AVAILABLE BIT(11)
/* stimer Direct Mode is available */
#define HV_STIMER_DIRECT_MODE_AVAILABLE BIT(19)
@@ -187,7 +141,7 @@
* processor, except for virtual processors that are reported as sibling SMT
* threads.
*/
-#define HV_X64_NO_NONARCH_CORESHARING BIT(18)
+#define HV_X64_NO_NONARCH_CORESHARING BIT(18)
/* Nested features. These are HYPERV_CPUID_NESTED_FEATURES.EAX bits. */
#define HV_X64_NESTED_DIRECT_FLUSH BIT(17)
@@ -295,43 +249,6 @@ union hv_x64_msr_hypercall_contents {
} __packed;
};
-/*
- * TSC page layout.
- */
-struct ms_hyperv_tsc_page {
- volatile u32 tsc_sequence;
- u32 reserved1;
- volatile u64 tsc_scale;
- volatile s64 tsc_offset;
- u64 reserved2[509];
-} __packed;
-
-/*
- * The guest OS needs to register the guest ID with the hypervisor.
- * The guest ID is a 64 bit entity and the structure of this ID is
- * specified in the Hyper-V specification:
- *
- * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
- *
- * While the current guideline does not specify how Linux guest ID(s)
- * need to be generated, our plan is to publish the guidelines for
- * Linux and other guest operating systems that currently are hosted
- * on Hyper-V. The implementation here conforms to this yet
- * unpublished guidelines.
- *
- *
- * Bit(s)
- * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
- * 62:56 - Os Type; Linux is 0x100
- * 55:48 - Distro specific identification
- * 47:16 - Linux kernel version number
- * 15:0 - Distro specific identification
- *
- *
- */
-
-#define HV_LINUX_VENDOR_ID 0x8100
-
struct hv_reenlightenment_control {
__u64 vector:8;
__u64 reserved1:8;
@@ -355,31 +272,12 @@ struct hv_tsc_emulation_status {
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
-/*
- * Crash notification (HV_X64_MSR_CRASH_CTL) flags.
- */
-#define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62)
-#define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63)
#define HV_X64_MSR_CRASH_PARAMS \
(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
#define HV_IPI_LOW_VECTOR 0x10
#define HV_IPI_HIGH_VECTOR 0xff
-/* Declare the various hypercall operations. */
-#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
-#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
-#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
-#define HVCALL_SEND_IPI 0x000b
-#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
-#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
-#define HVCALL_SEND_IPI_EX 0x0015
-#define HVCALL_POST_MESSAGE 0x005c
-#define HVCALL_SIGNAL_EVENT 0x005d
-#define HVCALL_RETARGET_INTERRUPT 0x007e
-#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
-#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0
-
#define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12
#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \
@@ -391,75 +289,6 @@ struct hv_tsc_emulation_status {
#define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001
#define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12
-#define HV_PROCESSOR_POWER_STATE_C0 0
-#define HV_PROCESSOR_POWER_STATE_C1 1
-#define HV_PROCESSOR_POWER_STATE_C2 2
-#define HV_PROCESSOR_POWER_STATE_C3 3
-
-#define HV_FLUSH_ALL_PROCESSORS BIT(0)
-#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
-#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
-#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
-
-enum HV_GENERIC_SET_FORMAT {
- HV_GENERIC_SET_SPARSE_4K,
- HV_GENERIC_SET_ALL,
-};
-
-#define HV_PARTITION_ID_SELF ((u64)-1)
-
-#define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0)
-#define HV_HYPERCALL_FAST_BIT BIT(16)
-#define HV_HYPERCALL_VARHEAD_OFFSET 17
-#define HV_HYPERCALL_REP_COMP_OFFSET 32
-#define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32)
-#define HV_HYPERCALL_REP_START_OFFSET 48
-#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48)
-
-/* hypercall status code */
-#define HV_STATUS_SUCCESS 0
-#define HV_STATUS_INVALID_HYPERCALL_CODE 2
-#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
-#define HV_STATUS_INVALID_ALIGNMENT 4
-#define HV_STATUS_INVALID_PARAMETER 5
-#define HV_STATUS_INSUFFICIENT_MEMORY 11
-#define HV_STATUS_INVALID_PORT_ID 17
-#define HV_STATUS_INVALID_CONNECTION_ID 18
-#define HV_STATUS_INSUFFICIENT_BUFFERS 19
-
-/*
- * The Hyper-V TimeRefCount register and the TSC
- * page provide a guest VM clock with 100ns tick rate
- */
-#define HV_CLOCK_HZ (NSEC_PER_SEC/100)
-
-typedef struct _HV_REFERENCE_TSC_PAGE {
- __u32 tsc_sequence;
- __u32 res1;
- __u64 tsc_scale;
- __s64 tsc_offset;
-} __packed HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE;
-
-/* Define the number of synthetic interrupt sources. */
-#define HV_SYNIC_SINT_COUNT (16)
-/* Define the expected SynIC version. */
-#define HV_SYNIC_VERSION_1 (0x1)
-/* Valid SynIC vectors are 16-255. */
-#define HV_SYNIC_FIRST_VALID_VECTOR (16)
-
-#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
-#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)
-#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0)
-#define HV_SYNIC_SINT_MASKED (1ULL << 16)
-#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17)
-#define HV_SYNIC_SINT_VECTOR_MASK (0xFF)
-
-#define HV_SYNIC_STIMER_COUNT (4)
-
-/* Define synthetic interrupt controller message constants. */
-#define HV_MESSAGE_SIZE (256)
-#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)
-#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)
/* Define hypervisor message types. */
enum hv_message_type {
@@ -470,76 +299,25 @@ enum hv_message_type {
HVMSG_GPA_INTERCEPT = 0x80000001,
/* Timer notification messages. */
- HVMSG_TIMER_EXPIRED = 0x80000010,
+ HVMSG_TIMER_EXPIRED = 0x80000010,
/* Error messages. */
HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020,
HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021,
- HVMSG_UNSUPPORTED_FEATURE = 0x80000022,
+ HVMSG_UNSUPPORTED_FEATURE = 0x80000022,
/* Trace buffer complete messages. */
HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040,
/* Platform-specific processor intercept messages. */
- HVMSG_X64_IOPORT_INTERCEPT = 0x80010000,
+ HVMSG_X64_IOPORT_INTERCEPT = 0x80010000,
HVMSG_X64_MSR_INTERCEPT = 0x80010001,
- HVMSG_X64_CPUID_INTERCEPT = 0x80010002,
+ HVMSG_X64_CPUID_INTERCEPT = 0x80010002,
HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003,
- HVMSG_X64_APIC_EOI = 0x80010004,
- HVMSG_X64_LEGACY_FP_ERROR = 0x80010005
-};
-
-/* Define synthetic interrupt controller message flags. */
-union hv_message_flags {
- __u8 asu8;
- struct {
- __u8 msg_pending:1;
- __u8 reserved:7;
- } __packed;
-};
-
-/* Define port identifier type. */
-union hv_port_id {
- __u32 asu32;
- struct {
- __u32 id:24;
- __u32 reserved:8;
- } __packed u;
+ HVMSG_X64_APIC_EOI = 0x80010004,
+ HVMSG_X64_LEGACY_FP_ERROR = 0x80010005
};
-/* Define synthetic interrupt controller message header. */
-struct hv_message_header {
- __u32 message_type;
- __u8 payload_size;
- union hv_message_flags message_flags;
- __u8 reserved[2];
- union {
- __u64 sender;
- union hv_port_id port;
- };
-} __packed;
-
-/* Define synthetic interrupt controller message format. */
-struct hv_message {
- struct hv_message_header header;
- union {
- __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
- } u;
-} __packed;
-
-/* Define the synthetic interrupt message page layout. */
-struct hv_message_page {
- struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
-} __packed;
-
-/* Define timer message payload structure. */
-struct hv_timer_message_payload {
- __u32 timer_index;
- __u32 reserved;
- __u64 expiration_time; /* When the timer expired */
- __u64 delivery_time; /* When the message was delivered */
-} __packed;
-
struct hv_nested_enlightenments_control {
struct {
__u32 directhypercall:1;
@@ -767,187 +545,11 @@ struct hv_enlightened_vmcs {
#define HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL 0xFFFF
-/* Define synthetic interrupt controller flag constants. */
-#define HV_EVENT_FLAGS_COUNT (256 * 8)
-#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long))
-
-/*
- * Synthetic timer configuration.
- */
-union hv_stimer_config {
- u64 as_uint64;
- struct {
- u64 enable:1;
- u64 periodic:1;
- u64 lazy:1;
- u64 auto_enable:1;
- u64 apic_vector:8;
- u64 direct_mode:1;
- u64 reserved_z0:3;
- u64 sintx:4;
- u64 reserved_z1:44;
- } __packed;
-};
-
-
-/* Define the synthetic interrupt controller event flags format. */
-union hv_synic_event_flags {
- unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT];
-};
-
-/* Define SynIC control register. */
-union hv_synic_scontrol {
- u64 as_uint64;
- struct {
- u64 enable:1;
- u64 reserved:63;
- } __packed;
-};
-
-/* Define synthetic interrupt source. */
-union hv_synic_sint {
- u64 as_uint64;
- struct {
- u64 vector:8;
- u64 reserved1:8;
- u64 masked:1;
- u64 auto_eoi:1;
- u64 polling:1;
- u64 reserved2:45;
- } __packed;
-};
-
-/* Define the format of the SIMP register */
-union hv_synic_simp {
- u64 as_uint64;
- struct {
- u64 simp_enabled:1;
- u64 preserved:11;
- u64 base_simp_gpa:52;
- } __packed;
-};
-
-/* Define the format of the SIEFP register */
-union hv_synic_siefp {
- u64 as_uint64;
- struct {
- u64 siefp_enabled:1;
- u64 preserved:11;
- u64 base_siefp_gpa:52;
- } __packed;
-};
-
-struct hv_vpset {
- u64 format;
- u64 valid_bank_mask;
- u64 bank_contents[];
-} __packed;
-
-/* HvCallSendSyntheticClusterIpi hypercall */
-struct hv_send_ipi {
- u32 vector;
- u32 reserved;
- u64 cpu_mask;
-} __packed;
-
-/* HvCallSendSyntheticClusterIpiEx hypercall */
-struct hv_send_ipi_ex {
- u32 vector;
- u32 reserved;
- struct hv_vpset vp_set;
-} __packed;
-
-/* HvFlushGuestPhysicalAddressSpace hypercalls */
-struct hv_guest_mapping_flush {
- u64 address_space;
- u64 flags;
-} __packed;
-
-/*
- * HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited
- * by the bitwidth of "additional_pages" in union hv_gpa_page_range.
- */
-#define HV_MAX_FLUSH_PAGES (2048)
-
-/* HvFlushGuestPhysicalAddressList hypercall */
-union hv_gpa_page_range {
- u64 address_space;
- struct {
- u64 additional_pages:11;
- u64 largepage:1;
- u64 basepfn:52;
- } page;
-};
-
-/*
- * All input flush parameters should be in single page. The max flush
- * count is equal with how many entries of union hv_gpa_page_range can
- * be populated into the input parameter page.
- */
-#define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \
- sizeof(union hv_gpa_page_range))
-
-struct hv_guest_mapping_flush_list {
- u64 address_space;
- u64 flags;
- union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT];
-};
-
-/* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */
-struct hv_tlb_flush {
- u64 address_space;
- u64 flags;
- u64 processor_mask;
- u64 gva_list[];
-} __packed;
-
-/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */
-struct hv_tlb_flush_ex {
- u64 address_space;
- u64 flags;
- struct hv_vpset hv_vp_set;
- u64 gva_list[];
-} __packed;
-
struct hv_partition_assist_pg {
u32 tlb_lock_count;
};
-union hv_msi_entry {
- u64 as_uint64;
- struct {
- u32 address;
- u32 data;
- } __packed;
-};
-
-struct hv_interrupt_entry {
- u32 source; /* 1 for MSI(-X) */
- u32 reserved1;
- union hv_msi_entry msi_entry;
-} __packed;
-/*
- * flags for hv_device_interrupt_target.flags
- */
-#define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1
-#define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2
-
-struct hv_device_interrupt_target {
- u32 vector;
- u32 flags;
- union {
- u64 vp_mask;
- struct hv_vpset vp_set;
- };
-} __packed;
+#include <asm-generic/hyperv-tlfs.h>
-/* HvRetargetDeviceInterrupt hypercall */
-struct hv_retarget_device_interrupt {
- u64 partition_id; /* use "self" */
- u64 device_id;
- struct hv_interrupt_entry int_entry;
- u64 reserved2;
- struct hv_device_interrupt_target int_target;
-} __packed __aligned(8);
#endif
diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
index 8e5af119dc2d..de58391bdee0 100644
--- a/arch/x86/include/asm/intel-mid.h
+++ b/arch/x86/include/asm/intel-mid.h
@@ -88,11 +88,17 @@ static inline bool intel_mid_has_msic(void)
return (intel_mid_identify_cpu() == INTEL_MID_CPU_CHIP_PENWELL);
}
+extern void intel_scu_devices_create(void);
+extern void intel_scu_devices_destroy(void);
+
#else /* !CONFIG_X86_INTEL_MID */
#define intel_mid_identify_cpu() 0
#define intel_mid_has_msic() 0
+static inline void intel_scu_devices_create(void) { }
+static inline void intel_scu_devices_destroy(void) { }
+
#endif /* !CONFIG_X86_INTEL_MID */
enum intel_mid_timer_options {
@@ -115,9 +121,6 @@ extern enum intel_mid_timer_options intel_mid_timer_options;
#define SFI_MTMR_MAX_NUM 8
#define SFI_MRTC_MAX 8
-extern void intel_scu_devices_create(void);
-extern void intel_scu_devices_destroy(void);
-
/* VRTC timer */
#define MRST_VRTC_MAP_SZ 1024
/* #define MRST_VRTC_PGOFFSET 0xc00 */
diff --git a/arch/x86/include/asm/intel_pmc_ipc.h b/arch/x86/include/asm/intel_pmc_ipc.h
deleted file mode 100644
index e6da1ce26256..000000000000
--- a/arch/x86/include/asm/intel_pmc_ipc.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_X86_INTEL_PMC_IPC_H_
-#define _ASM_X86_INTEL_PMC_IPC_H_
-
-/* Commands */
-#define PMC_IPC_PMIC_ACCESS 0xFF
-#define PMC_IPC_PMIC_ACCESS_READ 0x0
-#define PMC_IPC_PMIC_ACCESS_WRITE 0x1
-#define PMC_IPC_USB_PWR_CTRL 0xF0
-#define PMC_IPC_PMIC_BLACKLIST_SEL 0xEF
-#define PMC_IPC_PHY_CONFIG 0xEE
-#define PMC_IPC_NORTHPEAK_CTRL 0xED
-#define PMC_IPC_PM_DEBUG 0xEC
-#define PMC_IPC_PMC_TELEMTRY 0xEB
-#define PMC_IPC_PMC_FW_MSG_CTRL 0xEA
-
-/* IPC return code */
-#define IPC_ERR_NONE 0
-#define IPC_ERR_CMD_NOT_SUPPORTED 1
-#define IPC_ERR_CMD_NOT_SERVICED 2
-#define IPC_ERR_UNABLE_TO_SERVICE 3
-#define IPC_ERR_CMD_INVALID 4
-#define IPC_ERR_CMD_FAILED 5
-#define IPC_ERR_EMSECURITY 6
-#define IPC_ERR_UNSIGNEDKERNEL 7
-
-/* GCR reg offsets from gcr base*/
-#define PMC_GCR_PMC_CFG_REG 0x08
-#define PMC_GCR_TELEM_DEEP_S0IX_REG 0x78
-#define PMC_GCR_TELEM_SHLW_S0IX_REG 0x80
-
-#if IS_ENABLED(CONFIG_INTEL_PMC_IPC)
-
-int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
- u32 *out, u32 outlen);
-int intel_pmc_s0ix_counter_read(u64 *data);
-int intel_pmc_gcr_read64(u32 offset, u64 *data);
-
-#else
-
-static inline int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
- u32 *out, u32 outlen)
-{
- return -EINVAL;
-}
-
-static inline int intel_pmc_s0ix_counter_read(u64 *data)
-{
- return -EINVAL;
-}
-
-static inline int intel_pmc_gcr_read64(u32 offset, u64 *data)
-{
- return -EINVAL;
-}
-
-#endif /*CONFIG_INTEL_PMC_IPC*/
-
-#endif
diff --git a/arch/x86/include/asm/intel_scu_ipc.h b/arch/x86/include/asm/intel_scu_ipc.h
index 2a1442ba6e78..11d457af68c5 100644
--- a/arch/x86/include/asm/intel_scu_ipc.h
+++ b/arch/x86/include/asm/intel_scu_ipc.h
@@ -2,61 +2,69 @@
#ifndef _ASM_X86_INTEL_SCU_IPC_H_
#define _ASM_X86_INTEL_SCU_IPC_H_
-#include <linux/notifier.h>
-
-#define IPCMSG_INDIRECT_READ 0x02
-#define IPCMSG_INDIRECT_WRITE 0x05
-
-#define IPCMSG_COLD_OFF 0x80 /* Only for Tangier */
-
-#define IPCMSG_WARM_RESET 0xF0
-#define IPCMSG_COLD_RESET 0xF1
-#define IPCMSG_SOFT_RESET 0xF2
-#define IPCMSG_COLD_BOOT 0xF3
-
-#define IPCMSG_VRTC 0xFA /* Set vRTC device */
- /* Command id associated with message IPCMSG_VRTC */
- #define IPC_CMD_VRTC_SETTIME 1 /* Set time */
- #define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
-
-/* Read single register */
-int intel_scu_ipc_ioread8(u16 addr, u8 *data);
-
-/* Read a vector */
-int intel_scu_ipc_readv(u16 *addr, u8 *data, int len);
-
-/* Write single register */
-int intel_scu_ipc_iowrite8(u16 addr, u8 data);
-
-/* Write a vector */
-int intel_scu_ipc_writev(u16 *addr, u8 *data, int len);
-
-/* Update single register based on the mask */
-int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask);
-
-/* Issue commands to the SCU with or without data */
-int intel_scu_ipc_simple_command(int cmd, int sub);
-int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
- u32 *out, int outlen);
-
-extern struct blocking_notifier_head intel_scu_notifier;
-
-static inline void intel_scu_notifier_add(struct notifier_block *nb)
-{
- blocking_notifier_chain_register(&intel_scu_notifier, nb);
-}
-
-static inline void intel_scu_notifier_remove(struct notifier_block *nb)
-{
- blocking_notifier_chain_unregister(&intel_scu_notifier, nb);
-}
-
-static inline int intel_scu_notifier_post(unsigned long v, void *p)
+#include <linux/ioport.h>
+
+struct device;
+struct intel_scu_ipc_dev;
+
+/**
+ * struct intel_scu_ipc_data - Data used to configure SCU IPC
+ * @mem: Base address of SCU IPC MMIO registers
+ * @irq: The IRQ number used for SCU (optional)
+ */
+struct intel_scu_ipc_data {
+ struct resource mem;
+ int irq;
+};
+
+struct intel_scu_ipc_dev *
+__intel_scu_ipc_register(struct device *parent,
+ const struct intel_scu_ipc_data *scu_data,
+ struct module *owner);
+
+#define intel_scu_ipc_register(parent, scu_data) \
+ __intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
+
+void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu);
+
+struct intel_scu_ipc_dev *
+__devm_intel_scu_ipc_register(struct device *parent,
+ const struct intel_scu_ipc_data *scu_data,
+ struct module *owner);
+
+#define devm_intel_scu_ipc_register(parent, scu_data) \
+ __devm_intel_scu_ipc_register(parent, scu_data, THIS_MODULE)
+
+struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void);
+void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu);
+struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev);
+
+int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr,
+ u8 *data);
+int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr,
+ u8 data);
+int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr,
+ u8 *data, size_t len);
+int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr,
+ u8 *data, size_t len);
+
+int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr,
+ u8 data, u8 mask);
+
+int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
+ int sub);
+int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
+ int sub, const void *in, size_t inlen,
+ size_t size, void *out, size_t outlen);
+
+static inline int intel_scu_ipc_dev_command(struct intel_scu_ipc_dev *scu, int cmd,
+ int sub, const void *in, size_t inlen,
+ void *out, size_t outlen)
{
- return blocking_notifier_call_chain(&intel_scu_notifier, v, p);
+ return intel_scu_ipc_dev_command_with_size(scu, cmd, sub, in, inlen,
+ inlen, out, outlen);
}
-#define SCU_AVAILABLE 1
-#define SCU_DOWN 2
+#include <asm/intel_scu_ipc_legacy.h>
#endif
diff --git a/arch/x86/include/asm/intel_scu_ipc_legacy.h b/arch/x86/include/asm/intel_scu_ipc_legacy.h
new file mode 100644
index 000000000000..4cf13fecb673
--- /dev/null
+++ b/arch/x86/include/asm/intel_scu_ipc_legacy.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_INTEL_SCU_IPC_LEGACY_H_
+#define _ASM_X86_INTEL_SCU_IPC_LEGACY_H_
+
+#include <linux/notifier.h>
+
+#define IPCMSG_INDIRECT_READ 0x02
+#define IPCMSG_INDIRECT_WRITE 0x05
+
+#define IPCMSG_COLD_OFF 0x80 /* Only for Tangier */
+
+#define IPCMSG_WARM_RESET 0xF0
+#define IPCMSG_COLD_RESET 0xF1
+#define IPCMSG_SOFT_RESET 0xF2
+#define IPCMSG_COLD_BOOT 0xF3
+
+#define IPCMSG_VRTC 0xFA /* Set vRTC device */
+/* Command id associated with message IPCMSG_VRTC */
+#define IPC_CMD_VRTC_SETTIME 1 /* Set time */
+#define IPC_CMD_VRTC_SETALARM 2 /* Set alarm */
+
+/* Don't call these in new code - they will be removed eventually */
+
+/* Read single register */
+static inline int intel_scu_ipc_ioread8(u16 addr, u8 *data)
+{
+ return intel_scu_ipc_dev_ioread8(NULL, addr, data);
+}
+
+/* Read a vector */
+static inline int intel_scu_ipc_readv(u16 *addr, u8 *data, int len)
+{
+ return intel_scu_ipc_dev_readv(NULL, addr, data, len);
+}
+
+/* Write single register */
+static inline int intel_scu_ipc_iowrite8(u16 addr, u8 data)
+{
+ return intel_scu_ipc_dev_iowrite8(NULL, addr, data);
+}
+
+/* Write a vector */
+static inline int intel_scu_ipc_writev(u16 *addr, u8 *data, int len)
+{
+ return intel_scu_ipc_dev_writev(NULL, addr, data, len);
+}
+
+/* Update single register based on the mask */
+static inline int intel_scu_ipc_update_register(u16 addr, u8 data, u8 mask)
+{
+ return intel_scu_ipc_dev_update(NULL, addr, data, mask);
+}
+
+/* Issue commands to the SCU with or without data */
+static inline int intel_scu_ipc_simple_command(int cmd, int sub)
+{
+ return intel_scu_ipc_dev_simple_command(NULL, cmd, sub);
+}
+
+static inline int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
+ u32 *out, int outlen)
+{
+ /* New API takes both inlen and outlen as bytes so convert here */
+ size_t inbytes = inlen * sizeof(u32);
+ size_t outbytes = outlen * sizeof(u32);
+
+ return intel_scu_ipc_dev_command_with_size(NULL, cmd, sub, in, inbytes,
+ inlen, out, outbytes);
+}
+
+extern struct blocking_notifier_head intel_scu_notifier;
+
+static inline void intel_scu_notifier_add(struct notifier_block *nb)
+{
+ blocking_notifier_chain_register(&intel_scu_notifier, nb);
+}
+
+static inline void intel_scu_notifier_remove(struct notifier_block *nb)
+{
+ blocking_notifier_chain_unregister(&intel_scu_notifier, nb);
+}
+
+static inline int intel_scu_notifier_post(unsigned long v, void *p)
+{
+ return blocking_notifier_call_chain(&intel_scu_notifier, v, p);
+}
+
+#define SCU_AVAILABLE 1
+#define SCU_DOWN 2
+
+#endif
diff --git a/arch/x86/include/asm/intel_telemetry.h b/arch/x86/include/asm/intel_telemetry.h
index 2f77e31a1283..8046e70dfd7c 100644
--- a/arch/x86/include/asm/intel_telemetry.h
+++ b/arch/x86/include/asm/intel_telemetry.h
@@ -10,6 +10,8 @@
#define TELEM_MAX_EVENTS_SRAM 28
#define TELEM_MAX_OS_ALLOCATED_EVENTS 20
+#include <asm/intel_scu_ipc.h>
+
enum telemetry_unit {
TELEM_PSS = 0,
TELEM_IOSS,
@@ -51,6 +53,8 @@ struct telemetry_plt_config {
struct telemetry_unit_config ioss_config;
struct mutex telem_trace_lock;
struct mutex telem_lock;
+ struct intel_pmc_dev *pmc;
+ struct intel_scu_ipc_dev *scu;
bool telem_in_use;
};
@@ -92,7 +96,7 @@ int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
int telemetry_clear_pltdata(void);
-int telemetry_pltconfig_valid(void);
+struct telemetry_plt_config *telemetry_get_pltdata(void);
int telemetry_get_evtname(enum telemetry_unit telem_unit,
const char **name, int len);
diff --git a/arch/x86/include/asm/invpcid.h b/arch/x86/include/asm/invpcid.h
index 989cfa86de85..734482afbf81 100644
--- a/arch/x86/include/asm/invpcid.h
+++ b/arch/x86/include/asm/invpcid.h
@@ -12,12 +12,9 @@ static inline void __invpcid(unsigned long pcid, unsigned long addr,
* stale TLB entries and, especially if we're flushing global
* mappings, we don't want the compiler to reorder any subsequent
* memory accesses before the TLB flush.
- *
- * The hex opcode is invpcid (%ecx), %eax in 32-bit mode and
- * invpcid (%rcx), %rax in long mode.
*/
- asm volatile (".byte 0x66, 0x0f, 0x38, 0x82, 0x01"
- : : "m" (desc), "a" (type), "c" (&desc) : "memory");
+ asm volatile("invpcid %[desc], %[type]"
+ :: [desc] "m" (desc), [type] "r" (type) : "memory");
}
#define INVPCID_TYPE_INDIV_ADDR 0
diff --git a/arch/x86/include/asm/io_bitmap.h b/arch/x86/include/asm/io_bitmap.h
index 07344d82e88e..ac1a99ffbd8d 100644
--- a/arch/x86/include/asm/io_bitmap.h
+++ b/arch/x86/include/asm/io_bitmap.h
@@ -17,7 +17,7 @@ struct task_struct;
#ifdef CONFIG_X86_IOPL_IOPERM
void io_bitmap_share(struct task_struct *tsk);
-void io_bitmap_exit(void);
+void io_bitmap_exit(struct task_struct *tsk);
void native_tss_update_io_bitmap(void);
@@ -29,7 +29,7 @@ void native_tss_update_io_bitmap(void);
#else
static inline void io_bitmap_share(struct task_struct *tsk) { }
-static inline void io_bitmap_exit(void) { }
+static inline void io_bitmap_exit(struct task_struct *tsk) { }
static inline void tss_update_io_bitmap(void) { }
#endif
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 42a2d0d3984a..1da5858501ca 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -83,6 +83,10 @@
#define KVM_REQ_GET_VMCS12_PAGES KVM_ARCH_REQ(24)
#define KVM_REQ_APICV_UPDATE \
KVM_ARCH_REQ_FLAGS(25, KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP)
+#define KVM_REQ_TLB_FLUSH_CURRENT KVM_ARCH_REQ(26)
+#define KVM_REQ_HV_TLB_FLUSH \
+ KVM_ARCH_REQ_FLAGS(27, KVM_REQUEST_NO_WAKEUP)
+#define KVM_REQ_APF_READY KVM_ARCH_REQ(28)
#define CR0_RESERVED_BITS \
(~(unsigned long)(X86_CR0_PE | X86_CR0_MP | X86_CR0_EM | X86_CR0_TS \
@@ -107,15 +111,8 @@
#define UNMAPPED_GVA (~(gpa_t)0)
/* KVM Hugepage definitions for x86 */
-enum {
- PT_PAGE_TABLE_LEVEL = 1,
- PT_DIRECTORY_LEVEL = 2,
- PT_PDPE_LEVEL = 3,
- /* set max level to the biggest one */
- PT_MAX_HUGEPAGE_LEVEL = PT_PDPE_LEVEL,
-};
-#define KVM_NR_PAGE_SIZES (PT_MAX_HUGEPAGE_LEVEL - \
- PT_PAGE_TABLE_LEVEL + 1)
+#define KVM_MAX_HUGEPAGE_LEVEL PG_LEVEL_1G
+#define KVM_NR_PAGE_SIZES (KVM_MAX_HUGEPAGE_LEVEL - PG_LEVEL_4K + 1)
#define KVM_HPAGE_GFN_SHIFT(x) (((x) - 1) * 9)
#define KVM_HPAGE_SHIFT(x) (PAGE_SHIFT + KVM_HPAGE_GFN_SHIFT(x))
#define KVM_HPAGE_SIZE(x) (1UL << KVM_HPAGE_SHIFT(x))
@@ -124,7 +121,7 @@ enum {
static inline gfn_t gfn_to_index(gfn_t gfn, gfn_t base_gfn, int level)
{
- /* KVM_HPAGE_GFN_SHIFT(PT_PAGE_TABLE_LEVEL) must be 0. */
+ /* KVM_HPAGE_GFN_SHIFT(PG_LEVEL_4K) must be 0. */
return (gfn >> KVM_HPAGE_GFN_SHIFT(level)) -
(base_gfn >> KVM_HPAGE_GFN_SHIFT(level));
}
@@ -164,9 +161,13 @@ enum kvm_reg {
NR_VCPU_REGS,
VCPU_EXREG_PDPTR = NR_VCPU_REGS,
+ VCPU_EXREG_CR0,
VCPU_EXREG_CR3,
+ VCPU_EXREG_CR4,
VCPU_EXREG_RFLAGS,
VCPU_EXREG_SEGMENTS,
+ VCPU_EXREG_EXIT_INFO_1,
+ VCPU_EXREG_EXIT_INFO_2,
};
enum {
@@ -182,8 +183,10 @@ enum {
enum exit_fastpath_completion {
EXIT_FASTPATH_NONE,
- EXIT_FASTPATH_SKIP_EMUL_INS,
+ EXIT_FASTPATH_REENTER_GUEST,
+ EXIT_FASTPATH_EXIT_HANDLED,
};
+typedef enum exit_fastpath_completion fastpath_t;
struct x86_emulate_ctxt;
struct x86_exception;
@@ -372,12 +375,12 @@ struct rsvd_bits_validate {
};
struct kvm_mmu_root_info {
- gpa_t cr3;
+ gpa_t pgd;
hpa_t hpa;
};
#define KVM_MMU_ROOT_INFO_INVALID \
- ((struct kvm_mmu_root_info) { .cr3 = INVALID_PAGE, .hpa = INVALID_PAGE })
+ ((struct kvm_mmu_root_info) { .pgd = INVALID_PAGE, .hpa = INVALID_PAGE })
#define KVM_MMU_NUM_PREV_ROOTS 3
@@ -403,7 +406,7 @@ struct kvm_mmu {
void (*update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
u64 *spte, const void *pte);
hpa_t root_hpa;
- gpa_t root_cr3;
+ gpa_t root_pgd;
union kvm_mmu_role mmu_role;
u8 root_level;
u8 shadow_root_level;
@@ -578,6 +581,7 @@ struct kvm_vcpu_arch {
unsigned long cr4;
unsigned long cr4_guest_owned_bits;
unsigned long cr8;
+ u32 host_pkru;
u32 pkru;
u32 hflags;
u64 efer;
@@ -597,6 +601,7 @@ struct kvm_vcpu_arch {
u64 ia32_xss;
u64 microcode_version;
u64 arch_capabilities;
+ u64 perf_capabilities;
/*
* Paging state of the vcpu
@@ -649,7 +654,6 @@ struct kvm_vcpu_arch {
u64 xcr0;
u64 guest_supported_xcr0;
- u32 guest_xstate_size;
struct kvm_pio_request pio;
void *pio_data;
@@ -679,6 +683,7 @@ struct kvm_vcpu_arch {
struct kvm_cpuid_entry2 cpuid_entries[KVM_MAX_CPUID_ENTRIES];
int maxphyaddr;
+ int tdp_level;
/* emulate context */
@@ -702,6 +707,7 @@ struct kvm_vcpu_arch {
struct gfn_to_pfn_cache cache;
} st;
+ u64 l1_tsc_offset;
u64 tsc_offset;
u64 last_guest_tsc;
u64 last_host_tsc;
@@ -761,14 +767,17 @@ struct kvm_vcpu_arch {
struct {
bool halted;
- gfn_t gfns[roundup_pow_of_two(ASYNC_PF_PER_VCPU)];
+ gfn_t gfns[ASYNC_PF_PER_VCPU];
struct gfn_to_hva_cache data;
- u64 msr_val;
+ u64 msr_en_val; /* MSR_KVM_ASYNC_PF_EN */
+ u64 msr_int_val; /* MSR_KVM_ASYNC_PF_INT */
+ u16 vec;
u32 id;
bool send_user_only;
- u32 host_apf_reason;
+ u32 host_apf_flags;
unsigned long nested_apf_token;
bool delivery_as_pf_vmexit;
+ bool pageready_pending;
} apf;
/* OSVW MSRs (AMD only) */
@@ -854,6 +863,18 @@ struct kvm_apic_map {
struct kvm_lapic *phys_map[];
};
+/* Hyper-V synthetic debugger (SynDbg)*/
+struct kvm_hv_syndbg {
+ struct {
+ u64 control;
+ u64 status;
+ u64 send_page;
+ u64 recv_page;
+ u64 pending_page;
+ } control;
+ u64 options;
+};
+
/* Hyper-V emulation context */
struct kvm_hv {
struct mutex hv_lock;
@@ -865,7 +886,7 @@ struct kvm_hv {
u64 hv_crash_param[HV_X64_MSR_CRASH_PARAMS];
u64 hv_crash_ctl;
- HV_REFERENCE_TSC_PAGE tsc_ref;
+ struct ms_hyperv_tsc_page tsc_ref;
struct idr conn_to_evt;
@@ -877,6 +898,7 @@ struct kvm_hv {
atomic_t num_mismatched_vp_indexes;
struct hv_partition_assist_pg *hv_pa_pg;
+ struct kvm_hv_syndbg hv_syndbg;
};
enum kvm_irqchip_mode {
@@ -1027,6 +1049,8 @@ struct kvm_vcpu_stat {
u64 irq_injections;
u64 nmi_injections;
u64 req_event;
+ u64 halt_poll_success_ns;
+ u64 halt_poll_fail_ns;
};
struct x86_instruction_info;
@@ -1058,7 +1082,7 @@ struct kvm_x86_ops {
void (*hardware_disable)(void);
void (*hardware_unsetup)(void);
bool (*cpu_has_accelerated_tpr)(void);
- bool (*has_emulated_msr)(int index);
+ bool (*has_emulated_msr)(u32 index);
void (*cpuid_update)(struct kvm_vcpu *vcpu);
unsigned int vm_size;
@@ -1084,8 +1108,6 @@ struct kvm_x86_ops {
void (*set_segment)(struct kvm_vcpu *vcpu,
struct kvm_segment *var, int seg);
void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
- void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu);
- void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
int (*set_cr4)(struct kvm_vcpu *vcpu, unsigned long cr4);
void (*set_efer)(struct kvm_vcpu *vcpu, u64 efer);
@@ -1093,15 +1115,14 @@ struct kvm_x86_ops {
void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
- u64 (*get_dr6)(struct kvm_vcpu *vcpu);
- void (*set_dr6)(struct kvm_vcpu *vcpu, unsigned long value);
void (*sync_dirty_debug_regs)(struct kvm_vcpu *vcpu);
void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
- void (*tlb_flush)(struct kvm_vcpu *vcpu, bool invalidate_gpa);
+ void (*tlb_flush_all)(struct kvm_vcpu *vcpu);
+ void (*tlb_flush_current)(struct kvm_vcpu *vcpu);
int (*tlb_remote_flush)(struct kvm *kvm);
int (*tlb_remote_flush_with_range)(struct kvm *kvm,
struct kvm_tlb_range *range);
@@ -1114,7 +1135,13 @@ struct kvm_x86_ops {
*/
void (*tlb_flush_gva)(struct kvm_vcpu *vcpu, gva_t addr);
- void (*run)(struct kvm_vcpu *vcpu);
+ /*
+ * Flush any TLB entries created by the guest. Like tlb_flush_gva(),
+ * does not need to flush GPA->HPA mappings.
+ */
+ void (*tlb_flush_guest)(struct kvm_vcpu *vcpu);
+
+ enum exit_fastpath_completion (*run)(struct kvm_vcpu *vcpu);
int (*handle_exit)(struct kvm_vcpu *vcpu,
enum exit_fastpath_completion exit_fastpath);
int (*skip_emulated_instruction)(struct kvm_vcpu *vcpu);
@@ -1127,8 +1154,8 @@ struct kvm_x86_ops {
void (*set_nmi)(struct kvm_vcpu *vcpu);
void (*queue_exception)(struct kvm_vcpu *vcpu);
void (*cancel_injection)(struct kvm_vcpu *vcpu);
- int (*interrupt_allowed)(struct kvm_vcpu *vcpu);
- int (*nmi_allowed)(struct kvm_vcpu *vcpu);
+ int (*interrupt_allowed)(struct kvm_vcpu *vcpu, bool for_injection);
+ int (*nmi_allowed)(struct kvm_vcpu *vcpu, bool for_injection);
bool (*get_nmi_mask)(struct kvm_vcpu *vcpu);
void (*set_nmi_mask)(struct kvm_vcpu *vcpu, bool masked);
void (*enable_nmi_window)(struct kvm_vcpu *vcpu);
@@ -1142,7 +1169,7 @@ struct kvm_x86_ops {
bool (*guest_apic_has_interrupt)(struct kvm_vcpu *vcpu);
void (*load_eoi_exitmap)(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
void (*set_virtual_apic_mode)(struct kvm_vcpu *vcpu);
- void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu, hpa_t hpa);
+ void (*set_apic_access_page_addr)(struct kvm_vcpu *vcpu);
int (*deliver_posted_interrupt)(struct kvm_vcpu *vcpu, int vector);
int (*sync_pir_to_irr)(struct kvm_vcpu *vcpu);
int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
@@ -1154,7 +1181,6 @@ struct kvm_x86_ops {
bool (*has_wbinvd_exit)(void);
- u64 (*read_l1_tsc_offset)(struct kvm_vcpu *vcpu);
/* Returns actual tsc_offset set in active VMCS */
u64 (*write_l1_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset);
@@ -1164,10 +1190,8 @@ struct kvm_x86_ops {
struct x86_instruction_info *info,
enum x86_intercept_stage stage,
struct x86_exception *exception);
- void (*handle_exit_irqoff)(struct kvm_vcpu *vcpu,
- enum exit_fastpath_completion *exit_fastpath);
+ void (*handle_exit_irqoff)(struct kvm_vcpu *vcpu);
- int (*check_nested_events)(struct kvm_vcpu *vcpu);
void (*request_immediate_exit)(struct kvm_vcpu *vcpu);
void (*sched_in)(struct kvm_vcpu *kvm, int cpu);
@@ -1200,6 +1224,7 @@ struct kvm_x86_ops {
/* pmu operations of sub-arch */
const struct kvm_pmu_ops *pmu_ops;
+ const struct kvm_x86_nested_ops *nested_ops;
/*
* Architecture specific hooks for vCPU blocking due to
@@ -1227,18 +1252,10 @@ struct kvm_x86_ops {
void (*setup_mce)(struct kvm_vcpu *vcpu);
- int (*get_nested_state)(struct kvm_vcpu *vcpu,
- struct kvm_nested_state __user *user_kvm_nested_state,
- unsigned user_data_size);
- int (*set_nested_state)(struct kvm_vcpu *vcpu,
- struct kvm_nested_state __user *user_kvm_nested_state,
- struct kvm_nested_state *kvm_state);
- bool (*get_vmcs12_pages)(struct kvm_vcpu *vcpu);
-
- int (*smi_allowed)(struct kvm_vcpu *vcpu);
+ int (*smi_allowed)(struct kvm_vcpu *vcpu, bool for_injection);
int (*pre_enter_smm)(struct kvm_vcpu *vcpu, char *smstate);
int (*pre_leave_smm)(struct kvm_vcpu *vcpu, const char *smstate);
- int (*enable_smi_window)(struct kvm_vcpu *vcpu);
+ void (*enable_smi_window)(struct kvm_vcpu *vcpu);
int (*mem_enc_op)(struct kvm *kvm, void __user *argp);
int (*mem_enc_reg_region)(struct kvm *kvm, struct kvm_enc_region *argp);
@@ -1246,14 +1263,28 @@ struct kvm_x86_ops {
int (*get_msr_feature)(struct kvm_msr_entry *entry);
- int (*nested_enable_evmcs)(struct kvm_vcpu *vcpu,
- uint16_t *vmcs_version);
- uint16_t (*nested_get_evmcs_version)(struct kvm_vcpu *vcpu);
-
bool (*need_emulation_on_page_fault)(struct kvm_vcpu *vcpu);
bool (*apic_init_signal_blocked)(struct kvm_vcpu *vcpu);
int (*enable_direct_tlbflush)(struct kvm_vcpu *vcpu);
+
+ void (*migrate_timers)(struct kvm_vcpu *vcpu);
+};
+
+struct kvm_x86_nested_ops {
+ int (*check_events)(struct kvm_vcpu *vcpu);
+ bool (*hv_timer_pending)(struct kvm_vcpu *vcpu);
+ int (*get_state)(struct kvm_vcpu *vcpu,
+ struct kvm_nested_state __user *user_kvm_nested_state,
+ unsigned user_data_size);
+ int (*set_state)(struct kvm_vcpu *vcpu,
+ struct kvm_nested_state __user *user_kvm_nested_state,
+ struct kvm_nested_state *kvm_state);
+ bool (*get_vmcs12_pages)(struct kvm_vcpu *vcpu);
+
+ int (*enable_evmcs)(struct kvm_vcpu *vcpu,
+ uint16_t *vmcs_version);
+ uint16_t (*get_evmcs_version)(struct kvm_vcpu *vcpu);
};
struct kvm_x86_init_ops {
@@ -1280,8 +1311,7 @@ extern struct kmem_cache *x86_fpu_cache;
#define __KVM_HAVE_ARCH_VM_ALLOC
static inline struct kvm *kvm_arch_alloc_vm(void)
{
- return __vmalloc(kvm_x86_ops.vm_size,
- GFP_KERNEL_ACCOUNT | __GFP_ZERO, PAGE_KERNEL);
+ return __vmalloc(kvm_x86_ops.vm_size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
}
void kvm_arch_free_vm(struct kvm *kvm);
@@ -1449,9 +1479,12 @@ bool kvm_rdpmc(struct kvm_vcpu *vcpu);
void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
+void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, unsigned long payload);
void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
+bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu,
+ struct x86_exception *fault);
int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
gfn_t gfn, void *data, int offset, int len,
u32 access);
@@ -1479,6 +1512,8 @@ void kvm_pic_clear_all(struct kvm_pic *pic, int irq_source_id);
void kvm_inject_nmi(struct kvm_vcpu *vcpu);
+void kvm_update_dr7(struct kvm_vcpu *vcpu);
+
int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn);
int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva);
void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);
@@ -1509,8 +1544,11 @@ int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u64 error_code,
void *insn, int insn_len);
void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva);
+void kvm_mmu_invalidate_gva(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+ gva_t gva, hpa_t root_hpa);
void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid);
-void kvm_mmu_new_cr3(struct kvm_vcpu *vcpu, gpa_t new_cr3, bool skip_tlb_flush);
+void kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd, bool skip_tlb_flush,
+ bool skip_mmu_sync);
void kvm_configure_mmu(bool enable_tdp, int tdp_page_level);
@@ -1574,8 +1612,6 @@ enum {
};
#define HF_GIF_MASK (1 << 0)
-#define HF_HIF_MASK (1 << 1)
-#define HF_VINTR_MASK (1 << 2)
#define HF_NMI_MASK (1 << 3)
#define HF_IRET_MASK (1 << 4)
#define HF_GUEST_MASK (1 << 5) /* VCPU is in guest-mode */
@@ -1641,7 +1677,8 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work);
-bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu);
+void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu);
+bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu);
extern bool kvm_find_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn);
int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu);
@@ -1663,8 +1700,8 @@ void kvm_set_msi_irq(struct kvm *kvm, struct kvm_kernel_irq_routing_entry *e,
static inline bool kvm_irq_is_postable(struct kvm_lapic_irq *irq)
{
/* We can only post Fixed and LowPrio IRQs */
- return (irq->delivery_mode == dest_Fixed ||
- irq->delivery_mode == dest_LowestPrio);
+ return (irq->delivery_mode == APIC_DM_FIXED ||
+ irq->delivery_mode == APIC_DM_LOWEST);
}
static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index 9b4df6eaa11a..57fd1966c4ea 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -88,11 +88,21 @@ static inline long kvm_hypercall4(unsigned int nr, unsigned long p1,
bool kvm_para_available(void);
unsigned int kvm_arch_para_features(void);
unsigned int kvm_arch_para_hints(void);
-void kvm_async_pf_task_wait(u32 token, int interrupt_kernel);
+void kvm_async_pf_task_wait_schedule(u32 token);
void kvm_async_pf_task_wake(u32 token);
-u32 kvm_read_and_reset_pf_reason(void);
-extern void kvm_disable_steal_time(void);
-void do_async_page_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address);
+u32 kvm_read_and_reset_apf_flags(void);
+void kvm_disable_steal_time(void);
+bool __kvm_handle_async_pf(struct pt_regs *regs, u32 token);
+
+DECLARE_STATIC_KEY_FALSE(kvm_async_pf_enabled);
+
+static __always_inline bool kvm_handle_async_pf(struct pt_regs *regs, u32 token)
+{
+ if (static_branch_unlikely(&kvm_async_pf_enabled))
+ return __kvm_handle_async_pf(regs, token);
+ else
+ return false;
+}
#ifdef CONFIG_PARAVIRT_SPINLOCKS
void __init kvm_spinlock_init(void);
@@ -103,7 +113,7 @@ static inline void kvm_spinlock_init(void)
#endif /* CONFIG_PARAVIRT_SPINLOCKS */
#else /* CONFIG_KVM_GUEST */
-#define kvm_async_pf_task_wait(T, I) do {} while(0)
+#define kvm_async_pf_task_wait_schedule(T) do {} while(0)
#define kvm_async_pf_task_wake(T) do {} while(0)
static inline bool kvm_para_available(void)
@@ -121,7 +131,7 @@ static inline unsigned int kvm_arch_para_hints(void)
return 0;
}
-static inline u32 kvm_read_and_reset_pf_reason(void)
+static inline u32 kvm_read_and_reset_apf_flags(void)
{
return 0;
}
@@ -130,6 +140,11 @@ static inline void kvm_disable_steal_time(void)
{
return;
}
+
+static inline bool kvm_handle_async_pf(struct pt_regs *regs, u32 token)
+{
+ return false;
+}
#endif
#endif /* _ASM_X86_KVM_PARA_H */
diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h
index 73d8dd14dda2..2d4515e8b7df 100644
--- a/arch/x86/include/asm/mmzone_32.h
+++ b/arch/x86/include/asm/mmzone_32.h
@@ -14,43 +14,4 @@ extern struct pglist_data *node_data[];
#define NODE_DATA(nid) (node_data[nid])
#endif /* CONFIG_NUMA */
-#ifdef CONFIG_DISCONTIGMEM
-
-/*
- * generic node memory support, the following assumptions apply:
- *
- * 1) memory comes in 64Mb contiguous chunks which are either present or not
- * 2) we will not have more than 64Gb in total
- *
- * for now assume that 64Gb is max amount of RAM for whole system
- * 64Gb / 4096bytes/page = 16777216 pages
- */
-#define MAX_NR_PAGES 16777216
-#define MAX_SECTIONS 1024
-#define PAGES_PER_SECTION (MAX_NR_PAGES/MAX_SECTIONS)
-
-extern s8 physnode_map[];
-
-static inline int pfn_to_nid(unsigned long pfn)
-{
-#ifdef CONFIG_NUMA
- return((int) physnode_map[(pfn) / PAGES_PER_SECTION]);
-#else
- return 0;
-#endif
-}
-
-static inline int pfn_valid(int pfn)
-{
- int nid = pfn_to_nid(pfn);
-
- if (nid >= 0)
- return (pfn < node_end_pfn(nid));
- return 0;
-}
-
-#define early_pfn_valid(pfn) pfn_valid((pfn))
-
-#endif /* CONFIG_DISCONTIGMEM */
-
#endif /* _ASM_X86_MMZONE_32_H */
diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h
index c215d2762488..e988bac0a4a1 100644
--- a/arch/x86/include/asm/module.h
+++ b/arch/x86/include/asm/module.h
@@ -13,64 +13,4 @@ struct mod_arch_specific {
#endif
};
-#ifdef CONFIG_X86_64
-/* X86_64 does not define MODULE_PROC_FAMILY */
-#elif defined CONFIG_M486SX
-#define MODULE_PROC_FAMILY "486SX "
-#elif defined CONFIG_M486
-#define MODULE_PROC_FAMILY "486 "
-#elif defined CONFIG_M586
-#define MODULE_PROC_FAMILY "586 "
-#elif defined CONFIG_M586TSC
-#define MODULE_PROC_FAMILY "586TSC "
-#elif defined CONFIG_M586MMX
-#define MODULE_PROC_FAMILY "586MMX "
-#elif defined CONFIG_MCORE2
-#define MODULE_PROC_FAMILY "CORE2 "
-#elif defined CONFIG_MATOM
-#define MODULE_PROC_FAMILY "ATOM "
-#elif defined CONFIG_M686
-#define MODULE_PROC_FAMILY "686 "
-#elif defined CONFIG_MPENTIUMII
-#define MODULE_PROC_FAMILY "PENTIUMII "
-#elif defined CONFIG_MPENTIUMIII
-#define MODULE_PROC_FAMILY "PENTIUMIII "
-#elif defined CONFIG_MPENTIUMM
-#define MODULE_PROC_FAMILY "PENTIUMM "
-#elif defined CONFIG_MPENTIUM4
-#define MODULE_PROC_FAMILY "PENTIUM4 "
-#elif defined CONFIG_MK6
-#define MODULE_PROC_FAMILY "K6 "
-#elif defined CONFIG_MK7
-#define MODULE_PROC_FAMILY "K7 "
-#elif defined CONFIG_MK8
-#define MODULE_PROC_FAMILY "K8 "
-#elif defined CONFIG_MELAN
-#define MODULE_PROC_FAMILY "ELAN "
-#elif defined CONFIG_MCRUSOE
-#define MODULE_PROC_FAMILY "CRUSOE "
-#elif defined CONFIG_MEFFICEON
-#define MODULE_PROC_FAMILY "EFFICEON "
-#elif defined CONFIG_MWINCHIPC6
-#define MODULE_PROC_FAMILY "WINCHIPC6 "
-#elif defined CONFIG_MWINCHIP3D
-#define MODULE_PROC_FAMILY "WINCHIP3D "
-#elif defined CONFIG_MCYRIXIII
-#define MODULE_PROC_FAMILY "CYRIXIII "
-#elif defined CONFIG_MVIAC3_2
-#define MODULE_PROC_FAMILY "VIAC3-2 "
-#elif defined CONFIG_MVIAC7
-#define MODULE_PROC_FAMILY "VIAC7 "
-#elif defined CONFIG_MGEODEGX1
-#define MODULE_PROC_FAMILY "GEODEGX1 "
-#elif defined CONFIG_MGEODE_LX
-#define MODULE_PROC_FAMILY "GEODE "
-#else
-#error unknown processor family
-#endif
-
-#ifdef CONFIG_X86_32
-# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
-#endif
-
#endif /* _ASM_X86_MODULE_H */
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 1c42ecbe75cb..d30805ed323e 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -35,6 +35,8 @@ typedef int (*hyperv_fill_flush_list_func)(
rdmsrl(HV_X64_MSR_SINT0 + int_num, val)
#define hv_set_synint_state(int_num, val) \
wrmsrl(HV_X64_MSR_SINT0 + int_num, val)
+#define hv_recommend_using_aeoi() \
+ (!(ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED))
#define hv_get_crash_ctl(val) \
rdmsrl(HV_X64_MSR_CRASH_CTL, val)
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 12c9684d59ba..ef452b817f44 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -301,6 +301,9 @@
#define MSR_PP1_ENERGY_STATUS 0x00000641
#define MSR_PP1_POLICY 0x00000642
+#define MSR_AMD_PKG_ENERGY_STATUS 0xc001029b
+#define MSR_AMD_RAPL_POWER_UNIT 0xc0010299
+
/* Config TDP MSRs */
#define MSR_CONFIG_TDP_NOMINAL 0x00000648
#define MSR_CONFIG_TDP_LEVEL_1 0x00000649
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
index b809f117f3f4..73d997aa2966 100644
--- a/arch/x86/include/asm/mwait.h
+++ b/arch/x86/include/asm/mwait.h
@@ -20,8 +20,10 @@
#define MWAIT_ECX_INTERRUPT_BREAK 0x1
#define MWAITX_ECX_TIMER_ENABLE BIT(1)
-#define MWAITX_MAX_LOOPS ((u32)-1)
+#define MWAITX_MAX_WAIT_CYCLES UINT_MAX
#define MWAITX_DISABLE_CSTATES 0xf0
+#define TPAUSE_C01_STATE 1
+#define TPAUSE_C02_STATE 0
u32 get_umwait_control_msr(void);
@@ -122,4 +124,24 @@ static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
current_clr_polling();
}
+/*
+ * Caller can specify whether to enter C0.1 (low latency, less
+ * power saving) or C0.2 state (saves more power, but longer wakeup
+ * latency). This may be overridden by the IA32_UMWAIT_CONTROL MSR
+ * which can force requests for C0.2 to be downgraded to C0.1.
+ */
+static inline void __tpause(u32 ecx, u32 edx, u32 eax)
+{
+ /* "tpause %ecx, %edx, %eax;" */
+ #ifdef CONFIG_AS_TPAUSE
+ asm volatile("tpause %%ecx\n"
+ :
+ : "c"(ecx), "d"(edx), "a"(eax));
+ #else
+ asm volatile(".byte 0x66, 0x0f, 0xae, 0xf1\t\n"
+ :
+ : "c"(ecx), "d"(edx), "a"(eax));
+ #endif
+}
+
#endif /* _ASM_X86_MWAIT_H */
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 07e95dcb40ad..d52d1aacdd97 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -4,20 +4,13 @@
#define _ASM_X86_NOSPEC_BRANCH_H_
#include <linux/static_key.h>
+#include <linux/frame.h>
#include <asm/alternative.h>
#include <asm/alternative-asm.h>
#include <asm/cpufeatures.h>
#include <asm/msr-index.h>
-
-/*
- * This should be used immediately before a retpoline alternative. It tells
- * objtool where the retpolines are so that it can make sense of the control
- * flow by just reading the original instruction(s) and ignoring the
- * alternatives.
- */
-#define ANNOTATE_NOSPEC_ALTERNATIVE \
- ANNOTATE_IGNORE_ALTERNATIVE
+#include <asm/unwind_hints.h>
/*
* Fill the CPU return stack buffer.
@@ -46,21 +39,25 @@
#define __FILL_RETURN_BUFFER(reg, nr, sp) \
mov $(nr/2), reg; \
771: \
+ ANNOTATE_INTRA_FUNCTION_CALL; \
call 772f; \
773: /* speculation trap */ \
+ UNWIND_HINT_EMPTY; \
pause; \
lfence; \
jmp 773b; \
772: \
+ ANNOTATE_INTRA_FUNCTION_CALL; \
call 774f; \
775: /* speculation trap */ \
+ UNWIND_HINT_EMPTY; \
pause; \
lfence; \
jmp 775b; \
774: \
+ add $(BITS_PER_LONG/8) * 2, sp; \
dec reg; \
- jnz 771b; \
- add $(BITS_PER_LONG/8) * nr, sp;
+ jnz 771b;
#ifdef __ASSEMBLY__
@@ -77,57 +74,27 @@
.endm
/*
- * These are the bare retpoline primitives for indirect jmp and call.
- * Do not use these directly; they only exist to make the ALTERNATIVE
- * invocation below less ugly.
- */
-.macro RETPOLINE_JMP reg:req
- call .Ldo_rop_\@
-.Lspec_trap_\@:
- pause
- lfence
- jmp .Lspec_trap_\@
-.Ldo_rop_\@:
- mov \reg, (%_ASM_SP)
- ret
-.endm
-
-/*
- * This is a wrapper around RETPOLINE_JMP so the called function in reg
- * returns to the instruction after the macro.
- */
-.macro RETPOLINE_CALL reg:req
- jmp .Ldo_call_\@
-.Ldo_retpoline_jmp_\@:
- RETPOLINE_JMP \reg
-.Ldo_call_\@:
- call .Ldo_retpoline_jmp_\@
-.endm
-
-/*
* JMP_NOSPEC and CALL_NOSPEC macros can be used instead of a simple
* indirect jmp/call which may be susceptible to the Spectre variant 2
* attack.
*/
.macro JMP_NOSPEC reg:req
#ifdef CONFIG_RETPOLINE
- ANNOTATE_NOSPEC_ALTERNATIVE
- ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; jmp *\reg), \
- __stringify(RETPOLINE_JMP \reg), X86_FEATURE_RETPOLINE, \
- __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; jmp *\reg), X86_FEATURE_RETPOLINE_AMD
+ ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; jmp *%\reg), \
+ __stringify(jmp __x86_retpoline_\reg), X86_FEATURE_RETPOLINE, \
+ __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; jmp *%\reg), X86_FEATURE_RETPOLINE_AMD
#else
- jmp *\reg
+ jmp *%\reg
#endif
.endm
.macro CALL_NOSPEC reg:req
#ifdef CONFIG_RETPOLINE
- ANNOTATE_NOSPEC_ALTERNATIVE
- ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; call *\reg), \
- __stringify(RETPOLINE_CALL \reg), X86_FEATURE_RETPOLINE,\
- __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; call *\reg), X86_FEATURE_RETPOLINE_AMD
+ ALTERNATIVE_2 __stringify(ANNOTATE_RETPOLINE_SAFE; call *%\reg), \
+ __stringify(call __x86_retpoline_\reg), X86_FEATURE_RETPOLINE, \
+ __stringify(lfence; ANNOTATE_RETPOLINE_SAFE; call *%\reg), X86_FEATURE_RETPOLINE_AMD
#else
- call *\reg
+ call *%\reg
#endif
.endm
@@ -137,10 +104,8 @@
*/
.macro FILL_RETURN_BUFFER reg:req nr:req ftr:req
#ifdef CONFIG_RETPOLINE
- ANNOTATE_NOSPEC_ALTERNATIVE
- ALTERNATIVE "jmp .Lskip_rsb_\@", \
- __stringify(__FILL_RETURN_BUFFER(\reg,\nr,%_ASM_SP)) \
- \ftr
+ ALTERNATIVE "jmp .Lskip_rsb_\@", "", \ftr
+ __FILL_RETURN_BUFFER(\reg,\nr,%_ASM_SP)
.Lskip_rsb_\@:
#endif
.endm
@@ -161,16 +126,16 @@
* which is ensured when CONFIG_RETPOLINE is defined.
*/
# define CALL_NOSPEC \
- ANNOTATE_NOSPEC_ALTERNATIVE \
ALTERNATIVE_2( \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
- "call __x86_indirect_thunk_%V[thunk_target]\n", \
+ "call __x86_retpoline_%V[thunk_target]\n", \
X86_FEATURE_RETPOLINE, \
"lfence;\n" \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
X86_FEATURE_RETPOLINE_AMD)
+
# define THUNK_TARGET(addr) [thunk_target] "r" (addr)
#else /* CONFIG_X86_32 */
@@ -180,7 +145,6 @@
* here, anyway.
*/
# define CALL_NOSPEC \
- ANNOTATE_NOSPEC_ALTERNATIVE \
ALTERNATIVE_2( \
ANNOTATE_RETPOLINE_SAFE \
"call *%[thunk_target]\n", \
@@ -237,27 +201,6 @@ enum ssb_mitigation {
extern char __indirect_thunk_start[];
extern char __indirect_thunk_end[];
-/*
- * On VMEXIT we must ensure that no RSB predictions learned in the guest
- * can be followed in the host, by overwriting the RSB completely. Both
- * retpoline and IBRS mitigations for Spectre v2 need this; only on future
- * CPUs with IBRS_ALL *might* it be avoided.
- */
-static inline void vmexit_fill_RSB(void)
-{
-#ifdef CONFIG_RETPOLINE
- unsigned long loops;
-
- asm volatile (ANNOTATE_NOSPEC_ALTERNATIVE
- ALTERNATIVE("jmp 910f",
- __stringify(__FILL_RETURN_BUFFER(%0, RSB_CLEAR_LOOPS, %1)),
- X86_FEATURE_RETPOLINE)
- "910:"
- : "=r" (loops), ASM_CALL_CONSTRAINT
- : : "memory" );
-#endif
-}
-
static __always_inline
void alternative_msr_write(unsigned int msr, u64 val, unsigned int feature)
{
diff --git a/arch/x86/include/asm/orc_types.h b/arch/x86/include/asm/orc_types.h
index 6e060907c163..d25534940bde 100644
--- a/arch/x86/include/asm/orc_types.h
+++ b/arch/x86/include/asm/orc_types.h
@@ -58,8 +58,7 @@
#define ORC_TYPE_CALL 0
#define ORC_TYPE_REGS 1
#define ORC_TYPE_REGS_IRET 2
-#define UNWIND_HINT_TYPE_SAVE 3
-#define UNWIND_HINT_TYPE_RESTORE 4
+#define UNWIND_HINT_TYPE_RET_OFFSET 3
#ifndef __ASSEMBLY__
/*
diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
index 6deb6cd236e3..7f6ccff0ba72 100644
--- a/arch/x86/include/asm/pgtable-2level_types.h
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -20,6 +20,8 @@ typedef union {
#define SHARED_KERNEL_PMD 0
+#define ARCH_PAGE_TABLE_SYNC_MASK PGTBL_PMD_MODIFIED
+
/*
* traditional i386 two-level paging structure:
*/
diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h
index 33845d36897c..80fbb4a9ed87 100644
--- a/arch/x86/include/asm/pgtable-3level_types.h
+++ b/arch/x86/include/asm/pgtable-3level_types.h
@@ -27,6 +27,8 @@ typedef union {
#define SHARED_KERNEL_PMD (!static_cpu_has(X86_FEATURE_PTI))
#endif
+#define ARCH_PAGE_TABLE_SYNC_MASK (SHARED_KERNEL_PMD ? 0 : PGTBL_PMD_MODIFIED)
+
/*
* PGDIR_SHIFT determines what a top-level page table entry can map
*/
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 4d02e64af1b3..f51d8997ed00 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -624,7 +624,7 @@ static inline pud_t pfn_pud(unsigned long page_nr, pgprot_t pgprot)
return __pud(pfn | check_pgprot(pgprot));
}
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
+static inline pmd_t pmd_mkinvalid(pmd_t pmd)
{
return pfn_pmd(pmd_pfn(pmd),
__pgprot(pmd_flags(pmd) & ~(_PAGE_PRESENT|_PAGE_PROTNONE)));
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 0dca7f7aeff2..be7b19646897 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -66,8 +66,7 @@ do { \
#endif /* !__ASSEMBLY__ */
/*
- * kern_addr_valid() is (1) for FLATMEM and (0) for
- * SPARSEMEM and DISCONTIGMEM
+ * kern_addr_valid() is (1) for FLATMEM and (0) for SPARSEMEM
*/
#ifdef CONFIG_FLATMEM
#define kern_addr_valid(addr) (1)
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 52e5f5f2240d..8f63efb2a2cc 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -159,4 +159,6 @@ extern unsigned int ptrs_per_p4d;
#define PGD_KERNEL_START ((PAGE_SIZE / 2) / sizeof(pgd_t))
+#define ARCH_PAGE_TABLE_SYNC_MASK (pgtable_l5_enabled() ? PGTBL_PGD_MODIFIED : PGTBL_P4D_MODIFIED)
+
#endif /* _ASM_X86_PGTABLE_64_DEFS_H */
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index b6606fe6cfdf..2e7c442cc618 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -194,7 +194,6 @@ enum page_cache_mode {
#define _PAGE_TABLE_NOENC (__PP|__RW|_USR|___A| 0|___D| 0| 0)
#define _PAGE_TABLE (__PP|__RW|_USR|___A| 0|___D| 0| 0| _ENC)
#define __PAGE_KERNEL_RO (__PP| 0| 0|___A|__NX|___D| 0|___G)
-#define __PAGE_KERNEL_RX (__PP| 0| 0|___A| 0|___D| 0|___G)
#define __PAGE_KERNEL_NOCACHE (__PP|__RW| 0|___A|__NX|___D| 0|___G| __NC)
#define __PAGE_KERNEL_VVAR (__PP| 0|_USR|___A|__NX|___D| 0|___G)
#define __PAGE_KERNEL_LARGE (__PP|__RW| 0|___A|__NX|___D|_PSE|___G)
@@ -220,7 +219,6 @@ enum page_cache_mode {
#define PAGE_KERNEL_RO __pgprot_mask(__PAGE_KERNEL_RO | _ENC)
#define PAGE_KERNEL_EXEC __pgprot_mask(__PAGE_KERNEL_EXEC | _ENC)
#define PAGE_KERNEL_EXEC_NOENC __pgprot_mask(__PAGE_KERNEL_EXEC | 0)
-#define PAGE_KERNEL_RX __pgprot_mask(__PAGE_KERNEL_RX | _ENC)
#define PAGE_KERNEL_NOCACHE __pgprot_mask(__PAGE_KERNEL_NOCACHE | _ENC)
#define PAGE_KERNEL_LARGE __pgprot_mask(__PAGE_KERNEL_LARGE | _ENC)
#define PAGE_KERNEL_LARGE_EXEC __pgprot_mask(__PAGE_KERNEL_LARGE_EXEC | _ENC)
@@ -284,6 +282,12 @@ typedef struct pgprot { pgprotval_t pgprot; } pgprot_t;
typedef struct { pgdval_t pgd; } pgd_t;
+static inline pgprot_t pgprot_nx(pgprot_t prot)
+{
+ return __pgprot(pgprot_val(prot) | _PAGE_NX);
+}
+#define pgprot_nx pgprot_nx
+
#ifdef CONFIG_X86_PAE
/*
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 3bcf27caf6c9..29ee0c088009 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -113,9 +113,10 @@ struct cpuinfo_x86 {
/* in KB - valid for CPUS which support this call: */
unsigned int x86_cache_size;
int x86_cache_alignment; /* In bytes */
- /* Cache QoS architectural values: */
+ /* Cache QoS architectural values, valid only on the BSP: */
int x86_cache_max_rmid; /* max index */
int x86_cache_occ_scale; /* scale to bytes */
+ int x86_cache_mbm_width_offset;
int x86_power;
unsigned long loops_per_jiffy;
/* cpuid returned max cores value: */
@@ -727,7 +728,6 @@ static inline void sync_core(void)
unsigned int tmp;
asm volatile (
- UNWIND_HINT_SAVE
"mov %%ss, %0\n\t"
"pushq %q0\n\t"
"pushq %%rsp\n\t"
@@ -737,7 +737,6 @@ static inline void sync_core(void)
"pushq %q0\n\t"
"pushq $1f\n\t"
"iretq\n\t"
- UNWIND_HINT_RESTORE
"1:"
: "=&r" (tmp), ASM_CALL_CONSTRAINT : : "cc", "memory");
#endif
diff --git a/arch/x86/include/asm/resctrl_sched.h b/arch/x86/include/asm/resctrl.h
index f6b7fe2833cc..07603064df8f 100644
--- a/arch/x86/include/asm/resctrl_sched.h
+++ b/arch/x86/include/asm/resctrl.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ASM_X86_RESCTRL_SCHED_H
-#define _ASM_X86_RESCTRL_SCHED_H
+#ifndef _ASM_X86_RESCTRL_H
+#define _ASM_X86_RESCTRL_H
#ifdef CONFIG_X86_CPU_RESCTRL
@@ -84,10 +84,13 @@ static inline void resctrl_sched_in(void)
__resctrl_sched_in();
}
+void resctrl_cpu_detect(struct cpuinfo_x86 *c);
+
#else
static inline void resctrl_sched_in(void) {}
+static inline void resctrl_cpu_detect(struct cpuinfo_x86 *c) {}
#endif /* CONFIG_X86_CPU_RESCTRL */
-#endif /* _ASM_X86_RESCTRL_SCHED_H */
+#endif /* _ASM_X86_RESCTRL_H */
diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h
index 27c47d183f4b..8b58d6975d5d 100644
--- a/arch/x86/include/asm/smap.h
+++ b/arch/x86/include/asm/smap.h
@@ -57,8 +57,10 @@ static __always_inline unsigned long smap_save(void)
{
unsigned long flags;
- asm volatile (ALTERNATIVE("", "pushf; pop %0; " __ASM_CLAC,
- X86_FEATURE_SMAP)
+ asm volatile ("# smap_save\n\t"
+ ALTERNATIVE("jmp 1f", "", X86_FEATURE_SMAP)
+ "pushf; pop %0; " __ASM_CLAC "\n\t"
+ "1:"
: "=rm" (flags) : : "memory", "cc");
return flags;
@@ -66,7 +68,10 @@ static __always_inline unsigned long smap_save(void)
static __always_inline void smap_restore(unsigned long flags)
{
- asm volatile (ALTERNATIVE("", "push %0; popf", X86_FEATURE_SMAP)
+ asm volatile ("# smap_restore\n\t"
+ ALTERNATIVE("jmp 1f", "", X86_FEATURE_SMAP)
+ "push %0; popf\n\t"
+ "1:"
: : "g" (flags) : "memory", "cc");
}
diff --git a/arch/x86/include/asm/spinlock_types.h b/arch/x86/include/asm/spinlock_types.h
index bf3e34b25afc..323db6c5852a 100644
--- a/arch/x86/include/asm/spinlock_types.h
+++ b/arch/x86/include/asm/spinlock_types.h
@@ -3,29 +3,7 @@
#define _ASM_X86_SPINLOCK_TYPES_H
#include <linux/types.h>
-
-#ifdef CONFIG_PARAVIRT_SPINLOCKS
-#define __TICKET_LOCK_INC 2
-#define TICKET_SLOWPATH_FLAG ((__ticket_t)1)
-#else
-#define __TICKET_LOCK_INC 1
-#define TICKET_SLOWPATH_FLAG ((__ticket_t)0)
-#endif
-
-#if (CONFIG_NR_CPUS < (256 / __TICKET_LOCK_INC))
-typedef u8 __ticket_t;
-typedef u16 __ticketpair_t;
-#else
-typedef u16 __ticket_t;
-typedef u32 __ticketpair_t;
-#endif
-
-#define TICKET_LOCK_INC ((__ticket_t)__TICKET_LOCK_INC)
-
-#define TICKET_SHIFT (sizeof(__ticket_t) * 8)
-
#include <asm-generic/qspinlock_types.h>
-
#include <asm-generic/qrwlock_types.h>
#endif /* _ASM_X86_SPINLOCK_TYPES_H */
diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
index 91e29b6a86a5..9804a7957f4e 100644
--- a/arch/x86/include/asm/stackprotector.h
+++ b/arch/x86/include/asm/stackprotector.h
@@ -55,8 +55,13 @@
/*
* Initialize the stackprotector canary value.
*
- * NOTE: this must only be called from functions that never return,
+ * NOTE: this must only be called from functions that never return
* and it must always be inlined.
+ *
+ * In addition, it should be called from a compilation unit for which
+ * stack protector is disabled. Alternatively, the caller should not end
+ * with a function call which gets tail-call optimized as that would
+ * lead to checking a modified canary value.
*/
static __always_inline void boot_init_stack_canary(void)
{
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 6ece8561ba66..8a1f5382a4ea 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -96,7 +96,6 @@ struct __attribute__ ((__packed__)) vmcb_control_area {
u8 reserved_6[8]; /* Offset 0xe8 */
u64 avic_logical_id; /* Offset 0xf0 */
u64 avic_physical_id; /* Offset 0xf8 */
- u8 reserved_7[768];
};
@@ -203,8 +202,16 @@ struct __attribute__ ((__packed__)) vmcb_save_area {
u64 last_excp_to;
};
+
+static inline void __unused_size_checks(void)
+{
+ BUILD_BUG_ON(sizeof(struct vmcb_save_area) != 0x298);
+ BUILD_BUG_ON(sizeof(struct vmcb_control_area) != 256);
+}
+
struct __attribute__ ((__packed__)) vmcb {
struct vmcb_control_area control;
+ u8 reserved_control[1024 - sizeof(struct vmcb_control_area)];
struct vmcb_save_area save;
};
diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h
index 0e059b73437b..9f69cc497f4b 100644
--- a/arch/x86/include/asm/switch_to.h
+++ b/arch/x86/include/asm/switch_to.h
@@ -12,27 +12,6 @@ struct task_struct *__switch_to_asm(struct task_struct *prev,
__visible struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
-/* This runs runs on the previous thread's stack. */
-static inline void prepare_switch_to(struct task_struct *next)
-{
-#ifdef CONFIG_VMAP_STACK
- /*
- * If we switch to a stack that has a top-level paging entry
- * that is not present in the current mm, the resulting #PF will
- * will be promoted to a double-fault and we'll panic. Probe
- * the new stack now so that vmalloc_fault can fix up the page
- * tables if needed. This can only happen if we use a stack
- * in vmap space.
- *
- * We assume that the stack is aligned so that it never spans
- * more than one top-level paging entry.
- *
- * To minimize cache pollution, just follow the stack pointer.
- */
- READ_ONCE(*(unsigned char *)next->thread.sp);
-#endif
-}
-
asmlinkage void ret_from_fork(void);
/*
@@ -67,8 +46,6 @@ struct fork_frame {
#define switch_to(prev, next, last) \
do { \
- prepare_switch_to(next); \
- \
((last) = __switch_to_asm((prev), (next))); \
} while (0)
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index c26a7e1d8a2c..2ae904bf25e4 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -69,9 +69,7 @@ dotraplinkage void do_overflow(struct pt_regs *regs, long error_code);
dotraplinkage void do_bounds(struct pt_regs *regs, long error_code);
dotraplinkage void do_invalid_op(struct pt_regs *regs, long error_code);
dotraplinkage void do_device_not_available(struct pt_regs *regs, long error_code);
-#if defined(CONFIG_X86_64) || defined(CONFIG_DOUBLEFAULT)
dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsigned long cr2);
-#endif
dotraplinkage void do_coprocessor_segment_overrun(struct pt_regs *regs, long error_code);
dotraplinkage void do_invalid_TSS(struct pt_regs *regs, long error_code);
dotraplinkage void do_segment_not_present(struct pt_regs *regs, long error_code);
@@ -118,11 +116,6 @@ void smp_spurious_interrupt(struct pt_regs *regs);
void smp_error_interrupt(struct pt_regs *regs);
asmlinkage void smp_irq_move_cleanup_interrupt(void);
-extern void ist_enter(struct pt_regs *regs);
-extern void ist_exit(struct pt_regs *regs);
-extern void ist_begin_non_atomic(struct pt_regs *regs);
-extern void ist_end_non_atomic(void);
-
#ifdef CONFIG_VMAP_STACK
void __noreturn handle_stack_overflow(const char *message,
struct pt_regs *regs,
diff --git a/arch/x86/include/asm/unwind.h b/arch/x86/include/asm/unwind.h
index 499578f7e6d7..70fc159ebe69 100644
--- a/arch/x86/include/asm/unwind.h
+++ b/arch/x86/include/asm/unwind.h
@@ -19,7 +19,7 @@ struct unwind_state {
#if defined(CONFIG_UNWINDER_ORC)
bool signal, full_regs;
unsigned long sp, bp, ip;
- struct pt_regs *regs;
+ struct pt_regs *regs, *prev_regs;
#elif defined(CONFIG_UNWINDER_FRAME_POINTER)
bool got_irq;
unsigned long *bp, *orig_sp, ip;
diff --git a/arch/x86/include/asm/unwind_hints.h b/arch/x86/include/asm/unwind_hints.h
index f5e2eb12cb71..7d903fdb3f43 100644
--- a/arch/x86/include/asm/unwind_hints.h
+++ b/arch/x86/include/asm/unwind_hints.h
@@ -86,32 +86,15 @@
UNWIND_HINT sp_offset=\sp_offset
.endm
-.macro UNWIND_HINT_SAVE
- UNWIND_HINT type=UNWIND_HINT_TYPE_SAVE
-.endm
-
-.macro UNWIND_HINT_RESTORE
- UNWIND_HINT type=UNWIND_HINT_TYPE_RESTORE
+/*
+ * RET_OFFSET: Used on instructions that terminate a function; mostly RETURN
+ * and sibling calls. On these, sp_offset denotes the expected offset from
+ * initial_func_cfi.
+ */
+.macro UNWIND_HINT_RET_OFFSET sp_offset=8
+ UNWIND_HINT type=UNWIND_HINT_TYPE_RET_OFFSET sp_offset=\sp_offset
.endm
-#else /* !__ASSEMBLY__ */
-
-#define UNWIND_HINT(sp_reg, sp_offset, type, end) \
- "987: \n\t" \
- ".pushsection .discard.unwind_hints\n\t" \
- /* struct unwind_hint */ \
- ".long 987b - .\n\t" \
- ".short " __stringify(sp_offset) "\n\t" \
- ".byte " __stringify(sp_reg) "\n\t" \
- ".byte " __stringify(type) "\n\t" \
- ".byte " __stringify(end) "\n\t" \
- ".balign 4 \n\t" \
- ".popsection\n\t"
-
-#define UNWIND_HINT_SAVE UNWIND_HINT(0, 0, UNWIND_HINT_TYPE_SAVE, 0)
-
-#define UNWIND_HINT_RESTORE UNWIND_HINT(0, 0, UNWIND_HINT_TYPE_RESTORE, 0)
-
#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_UNWIND_HINTS_H */
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 389174eaec79..2fcc3ac12e76 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -123,12 +123,6 @@ enum uv_memprotect {
UV_MEMPROT_ALLOW_RW
};
-/*
- * bios calls have 6 parameters
- */
-extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
-extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
-
extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *, long *);
extern s64 uv_bios_freq_base(u64, u64 *);
extern int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int,
@@ -146,7 +140,6 @@ extern long sn_partition_id;
extern long sn_coherency_id;
extern long sn_region_size;
extern long system_serial_number;
-#define uv_partition_coherence_id() (sn_coherency_id)
extern struct kobject *sgi_uv_kobj; /* /sys/firmware/sgi_uv */
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index 45ea95ce79b4..ae587ce544f4 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -31,7 +31,6 @@ static inline bool is_early_uv_system(void)
}
extern int is_uv_system(void);
extern int is_uv_hubbed(int uvtype);
-extern int is_uv_hubless(int uvtype);
extern void uv_cpu_init(void);
extern void uv_nmi_init(void);
extern void uv_system_init(void);
@@ -44,7 +43,6 @@ static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
static inline bool is_early_uv_system(void) { return 0; }
static inline int is_uv_system(void) { return 0; }
static inline int is_uv_hubbed(int uv) { return 0; }
-static inline int is_uv_hubless(int uv) { return 0; }
static inline void uv_cpu_init(void) { }
static inline void uv_system_init(void) { }
static inline const struct cpumask *
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 950cd1395d5d..60ca0afdeaf9 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -219,20 +219,6 @@ static inline struct uv_hub_info_s *uv_cpu_hub_info(int cpu)
return (struct uv_hub_info_s *)uv_cpu_info_per(cpu)->p_uv_hub_info;
}
-#define UV_HUB_INFO_VERSION 0x7150
-extern int uv_hub_info_version(void);
-static inline int uv_hub_info_check(int version)
-{
- if (uv_hub_info_version() == version)
- return 0;
-
- pr_crit("UV: uv_hub_info version(%x) mismatch, expecting(%x)\n",
- uv_hub_info_version(), version);
-
- BUG(); /* Catastrophic - cannot continue on unknown UV system */
-}
-#define _uv_hub_info_check() uv_hub_info_check(UV_HUB_INFO_VERSION)
-
/*
* HUB revision ranges for each UV HUB architecture.
* This is a software convention - NOT the hardware revision numbers in
@@ -244,51 +230,32 @@ static inline int uv_hub_info_check(int version)
#define UV4_HUB_REVISION_BASE 7
#define UV4A_HUB_REVISION_BASE 8 /* UV4 (fixed) rev 2 */
-/* WARNING: UVx_HUB_IS_SUPPORTED defines are deprecated and will be removed */
static inline int is_uv1_hub(void)
{
-#ifdef UV1_HUB_IS_SUPPORTED
return is_uv_hubbed(uv(1));
-#else
- return 0;
-#endif
}
static inline int is_uv2_hub(void)
{
-#ifdef UV2_HUB_IS_SUPPORTED
return is_uv_hubbed(uv(2));
-#else
- return 0;
-#endif
}
static inline int is_uv3_hub(void)
{
-#ifdef UV3_HUB_IS_SUPPORTED
return is_uv_hubbed(uv(3));
-#else
- return 0;
-#endif
}
/* First test "is UV4A", then "is UV4" */
static inline int is_uv4a_hub(void)
{
-#ifdef UV4A_HUB_IS_SUPPORTED
if (is_uv_hubbed(uv(4)))
return (uv_hub_info->hub_revision == UV4A_HUB_REVISION_BASE);
-#endif
return 0;
}
static inline int is_uv4_hub(void)
{
-#ifdef UV4_HUB_IS_SUPPORTED
return is_uv_hubbed(uv(4));
-#else
- return 0;
-#endif
}
static inline int is_uvx_hub(void)
@@ -692,7 +659,6 @@ static inline int uv_cpu_blade_processor_id(int cpu)
{
return uv_cpu_info_per(cpu)->blade_cpu_id;
}
-#define _uv_cpu_blade_processor_id 1 /* indicate function available */
/* Blade number to Node number (UV1..UV4 is 1:1) */
static inline int uv_blade_to_node(int blade)
@@ -856,26 +822,6 @@ static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value)
}
extern unsigned int uv_apicid_hibits;
-static unsigned long uv_hub_ipi_value(int apicid, int vector, int mode)
-{
- apicid |= uv_apicid_hibits;
- return (1UL << UVH_IPI_INT_SEND_SHFT) |
- ((apicid) << UVH_IPI_INT_APIC_ID_SHFT) |
- (mode << UVH_IPI_INT_DELIVERY_MODE_SHFT) |
- (vector << UVH_IPI_INT_VECTOR_SHFT);
-}
-
-static inline void uv_hub_send_ipi(int pnode, int apicid, int vector)
-{
- unsigned long val;
- unsigned long dmode = dest_Fixed;
-
- if (vector == NMI_VECTOR)
- dmode = dest_NMI;
-
- val = uv_hub_ipi_value(apicid, vector, dmode);
- uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
-}
/*
* Get the minimum revision number of the hub chips within the partition.
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 62c79e26a59a..9ee5ed6e8b34 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -99,13 +99,6 @@
#define UV3_HUB_PART_NUMBER_X 0x4321
#define UV4_HUB_PART_NUMBER 0x99a1
-/* Compat: Indicate which UV Hubs are supported. */
-#define UV1_HUB_IS_SUPPORTED 1
-#define UV2_HUB_IS_SUPPORTED 1
-#define UV3_HUB_IS_SUPPORTED 1
-#define UV4_HUB_IS_SUPPORTED 1
-#define UV4A_HUB_IS_SUPPORTED 1
-
/* Error function to catch undefined references */
extern unsigned long uv_undefined(char *str);
diff --git a/arch/x86/include/asm/vermagic.h b/arch/x86/include/asm/vermagic.h
new file mode 100644
index 000000000000..75884d2cdec3
--- /dev/null
+++ b/arch/x86/include/asm/vermagic.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
+
+#ifdef CONFIG_X86_64
+/* X86_64 does not define MODULE_PROC_FAMILY */
+#elif defined CONFIG_M486SX
+#define MODULE_PROC_FAMILY "486SX "
+#elif defined CONFIG_M486
+#define MODULE_PROC_FAMILY "486 "
+#elif defined CONFIG_M586
+#define MODULE_PROC_FAMILY "586 "
+#elif defined CONFIG_M586TSC
+#define MODULE_PROC_FAMILY "586TSC "
+#elif defined CONFIG_M586MMX
+#define MODULE_PROC_FAMILY "586MMX "
+#elif defined CONFIG_MCORE2
+#define MODULE_PROC_FAMILY "CORE2 "
+#elif defined CONFIG_MATOM
+#define MODULE_PROC_FAMILY "ATOM "
+#elif defined CONFIG_M686
+#define MODULE_PROC_FAMILY "686 "
+#elif defined CONFIG_MPENTIUMII
+#define MODULE_PROC_FAMILY "PENTIUMII "
+#elif defined CONFIG_MPENTIUMIII
+#define MODULE_PROC_FAMILY "PENTIUMIII "
+#elif defined CONFIG_MPENTIUMM
+#define MODULE_PROC_FAMILY "PENTIUMM "
+#elif defined CONFIG_MPENTIUM4
+#define MODULE_PROC_FAMILY "PENTIUM4 "
+#elif defined CONFIG_MK6
+#define MODULE_PROC_FAMILY "K6 "
+#elif defined CONFIG_MK7
+#define MODULE_PROC_FAMILY "K7 "
+#elif defined CONFIG_MK8
+#define MODULE_PROC_FAMILY "K8 "
+#elif defined CONFIG_MELAN
+#define MODULE_PROC_FAMILY "ELAN "
+#elif defined CONFIG_MCRUSOE
+#define MODULE_PROC_FAMILY "CRUSOE "
+#elif defined CONFIG_MEFFICEON
+#define MODULE_PROC_FAMILY "EFFICEON "
+#elif defined CONFIG_MWINCHIPC6
+#define MODULE_PROC_FAMILY "WINCHIPC6 "
+#elif defined CONFIG_MWINCHIP3D
+#define MODULE_PROC_FAMILY "WINCHIP3D "
+#elif defined CONFIG_MCYRIXIII
+#define MODULE_PROC_FAMILY "CYRIXIII "
+#elif defined CONFIG_MVIAC3_2
+#define MODULE_PROC_FAMILY "VIAC3-2 "
+#elif defined CONFIG_MVIAC7
+#define MODULE_PROC_FAMILY "VIAC7 "
+#elif defined CONFIG_MGEODEGX1
+#define MODULE_PROC_FAMILY "GEODEGX1 "
+#elif defined CONFIG_MGEODE_LX
+#define MODULE_PROC_FAMILY "GEODE "
+#else
+#error unknown processor family
+#endif
+
+#ifdef CONFIG_X86_32
+# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY
+#else
+# define MODULE_ARCH_VERMAGIC ""
+#endif
+
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 5e090d1f03f8..cd7de4b401fe 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -527,10 +527,12 @@ struct vmx_msr_entry {
/*
* Exit Qualifications for entry failure during or after loading guest state
*/
-#define ENTRY_FAIL_DEFAULT 0
-#define ENTRY_FAIL_PDPTE 2
-#define ENTRY_FAIL_NMI 3
-#define ENTRY_FAIL_VMCS_LINK_PTR 4
+enum vm_entry_failure_code {
+ ENTRY_FAIL_DEFAULT = 0,
+ ENTRY_FAIL_PDPTE = 2,
+ ENTRY_FAIL_NMI = 3,
+ ENTRY_FAIL_VMCS_LINK_PTR = 4,
+};
/*
* Exit Qualifications for EPT Violations
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 96d9cd208610..6807153c0410 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -50,14 +50,12 @@ struct x86_init_resources {
* @pre_vector_init: init code to run before interrupt vectors
* are set up.
* @intr_init: interrupt init code
- * @trap_init: platform specific trap setup
* @intr_mode_select: interrupt delivery mode selection
* @intr_mode_init: interrupt delivery mode setup
*/
struct x86_init_irqs {
void (*pre_vector_init)(void);
void (*intr_init)(void);
- void (*trap_init)(void);
void (*intr_mode_select)(void);
void (*intr_mode_init)(void);
};
diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h
index 3f3f780c8c65..17c5a038f42d 100644
--- a/arch/x86/include/uapi/asm/kvm.h
+++ b/arch/x86/include/uapi/asm/kvm.h
@@ -385,32 +385,48 @@ struct kvm_sync_regs {
#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
#define KVM_STATE_NESTED_FORMAT_VMX 0
-#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */
+#define KVM_STATE_NESTED_FORMAT_SVM 1
#define KVM_STATE_NESTED_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_RUN_PENDING 0x00000002
#define KVM_STATE_NESTED_EVMCS 0x00000004
#define KVM_STATE_NESTED_MTF_PENDING 0x00000008
+#define KVM_STATE_NESTED_GIF_SET 0x00000100
#define KVM_STATE_NESTED_SMM_GUEST_MODE 0x00000001
#define KVM_STATE_NESTED_SMM_VMXON 0x00000002
#define KVM_STATE_NESTED_VMX_VMCS_SIZE 0x1000
+#define KVM_STATE_NESTED_SVM_VMCB_SIZE 0x1000
+
+#define KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE 0x00000001
+
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
};
struct kvm_vmx_nested_state_hdr {
+ __u32 flags;
__u64 vmxon_pa;
__u64 vmcs12_pa;
+ __u64 preemption_timer_deadline;
struct {
__u16 flags;
} smm;
};
+struct kvm_svm_nested_state_data {
+ /* Save area only used if KVM_STATE_NESTED_RUN_PENDING. */
+ __u8 vmcb12[KVM_STATE_NESTED_SVM_VMCB_SIZE];
+};
+
+struct kvm_svm_nested_state_hdr {
+ __u64 vmcb_pa;
+};
+
/* for KVM_CAP_NESTED_STATE */
struct kvm_nested_state {
__u16 flags;
@@ -419,6 +435,7 @@ struct kvm_nested_state {
union {
struct kvm_vmx_nested_state_hdr vmx;
+ struct kvm_svm_nested_state_hdr svm;
/* Pad the header to 128 bytes. */
__u8 pad[120];
@@ -431,6 +448,7 @@ struct kvm_nested_state {
*/
union {
struct kvm_vmx_nested_state_data vmx[0];
+ struct kvm_svm_nested_state_data svm[0];
} data;
};
diff --git a/arch/x86/include/uapi/asm/kvm_para.h b/arch/x86/include/uapi/asm/kvm_para.h
index 2a8e0b6b9805..812e9b4c1114 100644
--- a/arch/x86/include/uapi/asm/kvm_para.h
+++ b/arch/x86/include/uapi/asm/kvm_para.h
@@ -31,6 +31,7 @@
#define KVM_FEATURE_PV_SEND_IPI 11
#define KVM_FEATURE_POLL_CONTROL 12
#define KVM_FEATURE_PV_SCHED_YIELD 13
+#define KVM_FEATURE_ASYNC_PF_INT 14
#define KVM_HINTS_REALTIME 0
@@ -50,6 +51,8 @@
#define MSR_KVM_STEAL_TIME 0x4b564d03
#define MSR_KVM_PV_EOI_EN 0x4b564d04
#define MSR_KVM_POLL_CONTROL 0x4b564d05
+#define MSR_KVM_ASYNC_PF_INT 0x4b564d06
+#define MSR_KVM_ASYNC_PF_ACK 0x4b564d07
struct kvm_steal_time {
__u64 steal;
@@ -81,6 +84,11 @@ struct kvm_clock_pairing {
#define KVM_ASYNC_PF_ENABLED (1 << 0)
#define KVM_ASYNC_PF_SEND_ALWAYS (1 << 1)
#define KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT (1 << 2)
+#define KVM_ASYNC_PF_DELIVERY_AS_INT (1 << 3)
+
+/* MSR_KVM_ASYNC_PF_INT */
+#define KVM_ASYNC_PF_VEC_MASK GENMASK(7, 0)
+
/* Operations for KVM_HC_MMU_OP */
#define KVM_MMU_OP_WRITE_PTE 1
@@ -112,8 +120,13 @@ struct kvm_mmu_op_release_pt {
#define KVM_PV_REASON_PAGE_READY 2
struct kvm_vcpu_pv_apf_data {
- __u32 reason;
- __u8 pad[60];
+ /* Used for 'page not present' events delivered via #PF */
+ __u32 flags;
+
+ /* Used for 'page ready' events delivered via interrupt notification */
+ __u32 token;
+
+ __u8 pad[56];
__u32 enabled;
};
diff --git a/arch/x86/include/uapi/asm/unistd.h b/arch/x86/include/uapi/asm/unistd.h
index 196fdd02b8b1..be5e2e747f50 100644
--- a/arch/x86/include/uapi/asm/unistd.h
+++ b/arch/x86/include/uapi/asm/unistd.h
@@ -2,8 +2,15 @@
#ifndef _UAPI_ASM_X86_UNISTD_H
#define _UAPI_ASM_X86_UNISTD_H
-/* x32 syscall flag bit */
-#define __X32_SYSCALL_BIT 0x40000000UL
+/*
+ * x32 syscall flag bit. Some user programs expect syscall NR macros
+ * and __X32_SYSCALL_BIT to have type int, even though syscall numbers
+ * are, for practical purposes, unsigned long.
+ *
+ * Fortunately, expressions like (nr & ~__X32_SYSCALL_BIT) do the right
+ * thing regardless.
+ */
+#define __X32_SYSCALL_BIT 0x40000000
#ifndef __KERNEL__
# ifdef __i386__
diff --git a/arch/x86/include/uapi/asm/vmx.h b/arch/x86/include/uapi/asm/vmx.h
index e95b72ec19bc..b8ff9e8ac0d5 100644
--- a/arch/x86/include/uapi/asm/vmx.h
+++ b/arch/x86/include/uapi/asm/vmx.h
@@ -150,6 +150,9 @@
{ EXIT_REASON_UMWAIT, "UMWAIT" }, \
{ EXIT_REASON_TPAUSE, "TPAUSE" }
+#define VMX_EXIT_REASON_FLAGS \
+ { VMX_EXIT_REASONS_FAILED_VMENTRY, "FAILED_VMENTRY" }
+
#define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1
#define VMX_ABORT_LOAD_HOST_PDPTE_FAIL 2
#define VMX_ABORT_LOAD_HOST_MSR_FAIL 4
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index ba89cabe5fcf..2a7c3afa62e2 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -102,9 +102,7 @@ obj-$(CONFIG_KEXEC_FILE) += kexec-bzimage64.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
obj-y += kprobes/
obj-$(CONFIG_MODULES) += module.o
-ifeq ($(CONFIG_X86_32),y)
-obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
-endif
+obj-$(CONFIG_X86_32) += doublefault_32.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_VM86) += vm86_32.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
index fe698f96617c..263eeaddb0aa 100644
--- a/arch/x86/kernel/apb_timer.c
+++ b/arch/x86/kernel/apb_timer.c
@@ -345,56 +345,3 @@ out_noapbt:
apb_timer_block_enabled = 0;
panic("failed to enable APB timer\n");
}
-
-/* called before apb_timer_enable, use early map */
-unsigned long apbt_quick_calibrate(void)
-{
- int i, scale;
- u64 old, new;
- u64 t1, t2;
- unsigned long khz = 0;
- u32 loop, shift;
-
- apbt_set_mapping();
- dw_apb_clocksource_start(clocksource_apbt);
-
- /* check if the timer can count down, otherwise return */
- old = dw_apb_clocksource_read(clocksource_apbt);
- i = 10000;
- while (--i) {
- if (old != dw_apb_clocksource_read(clocksource_apbt))
- break;
- }
- if (!i)
- goto failed;
-
- /* count 16 ms */
- loop = (apbt_freq / 1000) << 4;
-
- /* restart the timer to ensure it won't get to 0 in the calibration */
- dw_apb_clocksource_start(clocksource_apbt);
-
- old = dw_apb_clocksource_read(clocksource_apbt);
- old += loop;
-
- t1 = rdtsc();
-
- do {
- new = dw_apb_clocksource_read(clocksource_apbt);
- } while (new < old);
-
- t2 = rdtsc();
-
- shift = 5;
- if (unlikely(loop >> shift == 0)) {
- printk(KERN_INFO
- "APBT TSC calibration failed, not enough resolution\n");
- return 0;
- }
- scale = (int)div_u64((t2 - t1), loop >> shift);
- khz = (scale * (apbt_freq / 1000)) >> shift;
- printk(KERN_INFO "TSC freq calculated by APB timer is %lu khz\n", khz);
- return khz;
-failed:
- return 0;
-}
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 81b9c63dae1b..4b1d31be50b4 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -352,8 +352,6 @@ static void __setup_APIC_LVTT(unsigned int clocks, int oneshot, int irqen)
* According to Intel, MFENCE can do the serialization here.
*/
asm volatile("mfence" : : : "memory");
-
- printk_once(KERN_DEBUG "TSC deadline timer enabled\n");
return;
}
@@ -546,46 +544,20 @@ static struct clock_event_device lapic_clockevent = {
};
static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
-static u32 hsx_deadline_rev(void)
-{
- switch (boot_cpu_data.x86_stepping) {
- case 0x02: return 0x3a; /* EP */
- case 0x04: return 0x0f; /* EX */
- }
-
- return ~0U;
-}
-
-static u32 bdx_deadline_rev(void)
-{
- switch (boot_cpu_data.x86_stepping) {
- case 0x02: return 0x00000011;
- case 0x03: return 0x0700000e;
- case 0x04: return 0x0f00000c;
- case 0x05: return 0x0e000003;
- }
-
- return ~0U;
-}
+static const struct x86_cpu_id deadline_match[] __initconst = {
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(HASWELL_X, X86_STEPPINGS(0x2, 0x2), 0x3a), /* EP */
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(HASWELL_X, X86_STEPPINGS(0x4, 0x4), 0x0f), /* EX */
-static u32 skx_deadline_rev(void)
-{
- switch (boot_cpu_data.x86_stepping) {
- case 0x03: return 0x01000136;
- case 0x04: return 0x02000014;
- }
-
- if (boot_cpu_data.x86_stepping > 4)
- return 0;
+ X86_MATCH_INTEL_FAM6_MODEL( BROADWELL_X, 0x0b000020),
- return ~0U;
-}
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x2, 0x2), 0x00000011),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x3, 0x3), 0x0700000e),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x4, 0x4), 0x0f00000c),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x5, 0x5), 0x0e000003),
-static const struct x86_cpu_id deadline_match[] = {
- X86_MATCH_INTEL_FAM6_MODEL( HASWELL_X, &hsx_deadline_rev),
- X86_MATCH_INTEL_FAM6_MODEL( BROADWELL_X, 0x0b000020),
- X86_MATCH_INTEL_FAM6_MODEL( BROADWELL_D, &bdx_deadline_rev),
- X86_MATCH_INTEL_FAM6_MODEL( SKYLAKE_X, &skx_deadline_rev),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x3, 0x3), 0x01000136),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x4, 0x4), 0x02000014),
+ X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x5, 0xf), 0),
X86_MATCH_INTEL_FAM6_MODEL( HASWELL, 0x22),
X86_MATCH_INTEL_FAM6_MODEL( HASWELL_L, 0x20),
@@ -603,34 +575,29 @@ static const struct x86_cpu_id deadline_match[] = {
{},
};
-static void apic_check_deadline_errata(void)
+static __init bool apic_validate_deadline_timer(void)
{
const struct x86_cpu_id *m;
u32 rev;
- if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER) ||
- boot_cpu_has(X86_FEATURE_HYPERVISOR))
- return;
+ if (!boot_cpu_has(X86_FEATURE_TSC_DEADLINE_TIMER))
+ return false;
+ if (boot_cpu_has(X86_FEATURE_HYPERVISOR))
+ return true;
m = x86_match_cpu(deadline_match);
if (!m)
- return;
+ return true;
- /*
- * Function pointers will have the MSB set due to address layout,
- * immediate revisions will not.
- */
- if ((long)m->driver_data < 0)
- rev = ((u32 (*)(void))(m->driver_data))();
- else
- rev = (u32)m->driver_data;
+ rev = (u32)m->driver_data;
if (boot_cpu_data.microcode >= rev)
- return;
+ return true;
setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
pr_err(FW_BUG "TSC_DEADLINE disabled due to Errata; "
"please update microcode to version: 0x%x (or later)\n", rev);
+ return false;
}
/*
@@ -2092,7 +2059,8 @@ void __init init_apic_mappings(void)
{
unsigned int new_apicid;
- apic_check_deadline_errata();
+ if (apic_validate_deadline_timer())
+ pr_debug("TSC deadline timer available\n");
if (x2apic_mode) {
boot_cpu_physical_apicid = read_apic_id();
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 913c88617848..ce61e3e7d399 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -154,19 +154,6 @@ static inline bool mp_is_legacy_irq(int irq)
return irq >= 0 && irq < nr_legacy_irqs();
}
-/*
- * Initialize all legacy IRQs and all pins on the first IOAPIC
- * if we have legacy interrupt controller. Kernel boot option "pirq="
- * may rely on non-legacy pins on the first IOAPIC.
- */
-static inline int mp_init_irq_at_boot(int ioapic, int irq)
-{
- if (!nr_legacy_irqs())
- return 0;
-
- return ioapic == 0 || mp_is_legacy_irq(irq);
-}
-
static inline struct irq_domain *mp_ioapic_irqdomain(int ioapic)
{
return ioapics[ioapic].irqdomain;
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index ad53b2abc859..69e70ed0f5e6 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -30,8 +30,6 @@ static enum uv_system_type uv_system_type;
static int uv_hubbed_system;
static int uv_hubless_system;
static u64 gru_start_paddr, gru_end_paddr;
-static u64 gru_dist_base, gru_first_node_paddr = -1LL, gru_last_node_paddr;
-static u64 gru_dist_lmask, gru_dist_umask;
static union uvh_apicid uvh_apicid;
/* Unpack OEM/TABLE ID's to be NULL terminated strings */
@@ -48,11 +46,9 @@ static struct {
unsigned int gnode_shift;
} uv_cpuid;
-int uv_min_hub_revision_id;
-EXPORT_SYMBOL_GPL(uv_min_hub_revision_id);
+static int uv_min_hub_revision_id;
unsigned int uv_apicid_hibits;
-EXPORT_SYMBOL_GPL(uv_apicid_hibits);
static struct apic apic_x2apic_uv_x;
static struct uv_hub_info_s uv_hub_info_node0;
@@ -85,20 +81,7 @@ static unsigned long __init uv_early_read_mmr(unsigned long addr)
static inline bool is_GRU_range(u64 start, u64 end)
{
- if (gru_dist_base) {
- u64 su = start & gru_dist_umask; /* Upper (incl pnode) bits */
- u64 sl = start & gru_dist_lmask; /* Base offset bits */
- u64 eu = end & gru_dist_umask;
- u64 el = end & gru_dist_lmask;
-
- /* Must reside completely within a single GRU range: */
- return (sl == gru_dist_base && el == gru_dist_base &&
- su >= gru_first_node_paddr &&
- su <= gru_last_node_paddr &&
- eu == su);
- } else {
- return start >= gru_start_paddr && end <= gru_end_paddr;
- }
+ return start >= gru_start_paddr && end <= gru_end_paddr;
}
static bool uv_is_untracked_pat_range(u64 start, u64 end)
@@ -385,11 +368,10 @@ int is_uv_hubbed(int uvtype)
}
EXPORT_SYMBOL_GPL(is_uv_hubbed);
-int is_uv_hubless(int uvtype)
+static int is_uv_hubless(int uvtype)
{
return (uv_hubless_system & uvtype);
}
-EXPORT_SYMBOL_GPL(is_uv_hubless);
void **__uv_hub_info_list;
EXPORT_SYMBOL_GPL(__uv_hub_info_list);
@@ -417,12 +399,6 @@ static __initdata struct uv_gam_range_s *_gr_table;
#define SOCK_EMPTY ((unsigned short)~0)
-extern int uv_hub_info_version(void)
-{
- return UV_HUB_INFO_VERSION;
-}
-EXPORT_SYMBOL(uv_hub_info_version);
-
/* Default UV memory block size is 2GB */
static unsigned long mem_block_size __initdata = (2UL << 30);
@@ -590,12 +566,21 @@ static int uv_wakeup_secondary(int phys_apicid, unsigned long start_rip)
static void uv_send_IPI_one(int cpu, int vector)
{
- unsigned long apicid;
- int pnode;
+ unsigned long apicid = per_cpu(x86_cpu_to_apicid, cpu);
+ int pnode = uv_apicid_to_pnode(apicid);
+ unsigned long dmode, val;
+
+ if (vector == NMI_VECTOR)
+ dmode = dest_NMI;
+ else
+ dmode = dest_Fixed;
+
+ val = (1UL << UVH_IPI_INT_SEND_SHFT) |
+ ((apicid | uv_apicid_hibits) << UVH_IPI_INT_APIC_ID_SHFT) |
+ (dmode << UVH_IPI_INT_DELIVERY_MODE_SHFT) |
+ (vector << UVH_IPI_INT_VECTOR_SHFT);
- apicid = per_cpu(x86_cpu_to_apicid, cpu);
- pnode = uv_apicid_to_pnode(apicid);
- uv_hub_send_ipi(pnode, apicid, vector);
+ uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
}
static void uv_send_IPI_mask(const struct cpumask *mask, int vector)
@@ -797,42 +782,6 @@ static __init void map_high(char *id, unsigned long base, int pshift, int bshift
init_extra_mapping_wb(paddr, bytes);
}
-static __init void map_gru_distributed(unsigned long c)
-{
- union uvh_rh_gam_gru_overlay_config_mmr_u gru;
- u64 paddr;
- unsigned long bytes;
- int nid;
-
- gru.v = c;
-
- /* Only base bits 42:28 relevant in dist mode */
- gru_dist_base = gru.v & 0x000007fff0000000UL;
- if (!gru_dist_base) {
- pr_info("UV: Map GRU_DIST base address NULL\n");
- return;
- }
-
- bytes = 1UL << UVH_RH_GAM_GRU_OVERLAY_CONFIG_MMR_BASE_SHFT;
- gru_dist_lmask = ((1UL << uv_hub_info->m_val) - 1) & ~(bytes - 1);
- gru_dist_umask = ~((1UL << uv_hub_info->m_val) - 1);
- gru_dist_base &= gru_dist_lmask; /* Clear bits above M */
-
- for_each_online_node(nid) {
- paddr = ((u64)uv_node_to_pnode(nid) << uv_hub_info->m_val) |
- gru_dist_base;
- init_extra_mapping_wb(paddr, bytes);
- gru_first_node_paddr = min(paddr, gru_first_node_paddr);
- gru_last_node_paddr = max(paddr, gru_last_node_paddr);
- }
-
- /* Save upper (63:M) bits of address only for is_GRU_range */
- gru_first_node_paddr &= gru_dist_umask;
- gru_last_node_paddr &= gru_dist_umask;
-
- pr_debug("UV: Map GRU_DIST base 0x%016llx 0x%016llx - 0x%016llx\n", gru_dist_base, gru_first_node_paddr, gru_last_node_paddr);
-}
-
static __init void map_gru_high(int max_pnode)
{
union uvh_rh_gam_gru_overlay_config_mmr_u gru;
@@ -846,12 +795,6 @@ static __init void map_gru_high(int max_pnode)
return;
}
- /* Only UV3 has distributed GRU mode */
- if (is_uv3_hub() && gru.s3.mode) {
- map_gru_distributed(gru.v);
- return;
- }
-
base = (gru.v & mask) >> shift;
map_high("GRU", base, shift, shift, max_pnode, map_wb);
gru_start_paddr = ((u64)base << shift);
diff --git a/arch/x86/kernel/audit_64.c b/arch/x86/kernel/audit_64.c
index e1efe44ebefc..83d9cad4e68b 100644
--- a/arch/x86/kernel/audit_64.c
+++ b/arch/x86/kernel/audit_64.c
@@ -3,6 +3,7 @@
#include <linux/types.h>
#include <linux/audit.h>
#include <asm/unistd.h>
+#include <asm/audit.h>
static unsigned dir_class[] = {
#include <asm-generic/audit_dir_write.h>
@@ -41,7 +42,6 @@ int audit_classify_arch(int arch)
int audit_classify_syscall(int abi, unsigned syscall)
{
#ifdef CONFIG_IA32_EMULATION
- extern int ia32_classify_syscall(unsigned);
if (abi == AUDIT_ARCH_I386)
return ia32_classify_syscall(syscall);
#endif
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 547ad7bbf0e0..d4806eac9325 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -18,6 +18,7 @@
#include <asm/pci-direct.h>
#include <asm/delay.h>
#include <asm/debugreg.h>
+#include <asm/resctrl.h>
#ifdef CONFIG_X86_64
# include <asm/mmconfig.h>
@@ -597,6 +598,8 @@ static void bsp_init_amd(struct cpuinfo_x86 *c)
x86_amd_ls_cfg_ssbd_mask = 1ULL << bit;
}
}
+
+ resctrl_cpu_detect(c);
}
static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
@@ -1142,8 +1145,7 @@ static const int amd_erratum_383[] =
/* #1054: Instructions Retired Performance Counter May Be Inaccurate */
static const int amd_erratum_1054[] =
- AMD_OSVW_ERRATUM(0, AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf));
-
+ AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf));
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
{
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index bed0cb83fe24..d07809286b95 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -854,30 +854,6 @@ static void init_speculation_control(struct cpuinfo_x86 *c)
}
}
-static void init_cqm(struct cpuinfo_x86 *c)
-{
- if (!cpu_has(c, X86_FEATURE_CQM_LLC)) {
- c->x86_cache_max_rmid = -1;
- c->x86_cache_occ_scale = -1;
- return;
- }
-
- /* will be overridden if occupancy monitoring exists */
- c->x86_cache_max_rmid = cpuid_ebx(0xf);
-
- if (cpu_has(c, X86_FEATURE_CQM_OCCUP_LLC) ||
- cpu_has(c, X86_FEATURE_CQM_MBM_TOTAL) ||
- cpu_has(c, X86_FEATURE_CQM_MBM_LOCAL)) {
- u32 eax, ebx, ecx, edx;
-
- /* QoS sub-leaf, EAX=0Fh, ECX=1 */
- cpuid_count(0xf, 1, &eax, &ebx, &ecx, &edx);
-
- c->x86_cache_max_rmid = ecx;
- c->x86_cache_occ_scale = ebx;
- }
-}
-
void get_cpu_cap(struct cpuinfo_x86 *c)
{
u32 eax, ebx, ecx, edx;
@@ -945,7 +921,6 @@ void get_cpu_cap(struct cpuinfo_x86 *c)
init_scattered_cpuid_features(c);
init_speculation_control(c);
- init_cqm(c);
/*
* Clear/Set all flags overridden by options, after probe.
@@ -1377,20 +1352,6 @@ static void generic_identify(struct cpuinfo_x86 *c)
#endif
}
-static void x86_init_cache_qos(struct cpuinfo_x86 *c)
-{
- /*
- * The heavy lifting of max_rmid and cache_occ_scale are handled
- * in get_cpu_cap(). Here we just set the max_rmid for the boot_cpu
- * in case CQM bits really aren't there in this CPU.
- */
- if (c != &boot_cpu_data) {
- boot_cpu_data.x86_cache_max_rmid =
- min(boot_cpu_data.x86_cache_max_rmid,
- c->x86_cache_max_rmid);
- }
-}
-
/*
* Validate that ACPI/mptables have the same information about the
* effective APIC id and update the package map.
@@ -1503,7 +1464,6 @@ static void identify_cpu(struct cpuinfo_x86 *c)
#endif
x86_init_rdrand(c);
- x86_init_cache_qos(c);
setup_pku(c);
/*
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index a19a680542ce..166d7c355896 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -22,6 +22,7 @@
#include <asm/cpu_device_id.h>
#include <asm/cmdline.h>
#include <asm/traps.h>
+#include <asm/resctrl.h>
#ifdef CONFIG_X86_64
#include <linux/topology.h>
@@ -322,6 +323,11 @@ static void early_init_intel(struct cpuinfo_x86 *c)
detect_ht_early(c);
}
+static void bsp_init_intel(struct cpuinfo_x86 *c)
+{
+ resctrl_cpu_detect(c);
+}
+
#ifdef CONFIG_X86_32
/*
* Early probe support logic for ppro memory erratum #50
@@ -961,6 +967,7 @@ static const struct cpu_dev intel_cpu_dev = {
#endif
.c_detect_tlb = intel_detect_tlb,
.c_early_init = early_init_intel,
+ .c_bsp_init = bsp_init_intel,
.c_init = init_intel,
.c_x86_vendor = X86_VENDOR_INTEL,
};
diff --git a/arch/x86/kernel/cpu/match.c b/arch/x86/kernel/cpu/match.c
index d3482eb43ff3..ad6776081e60 100644
--- a/arch/x86/kernel/cpu/match.c
+++ b/arch/x86/kernel/cpu/match.c
@@ -39,13 +39,18 @@ const struct x86_cpu_id *x86_match_cpu(const struct x86_cpu_id *match)
const struct x86_cpu_id *m;
struct cpuinfo_x86 *c = &boot_cpu_data;
- for (m = match; m->vendor | m->family | m->model | m->feature; m++) {
+ for (m = match;
+ m->vendor | m->family | m->model | m->steppings | m->feature;
+ m++) {
if (m->vendor != X86_VENDOR_ANY && c->x86_vendor != m->vendor)
continue;
if (m->family != X86_FAMILY_ANY && c->x86 != m->family)
continue;
if (m->model != X86_MODEL_ANY && c->x86_model != m->model)
continue;
+ if (m->steppings != X86_STEPPING_ANY &&
+ !(BIT(c->x86_stepping) & m->steppings))
+ continue;
if (m->feature != X86_FEATURE_ANY && !cpu_has(c, m->feature))
continue;
return m;
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 54165f3569e8..e9265e2f28c9 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -42,6 +42,8 @@
#include <linux/export.h>
#include <linux/jump_label.h>
#include <linux/set_memory.h>
+#include <linux/task_work.h>
+#include <linux/hardirq.h>
#include <asm/intel-family.h>
#include <asm/processor.h>
@@ -1086,23 +1088,6 @@ static void mce_clear_state(unsigned long *toclear)
}
}
-static int do_memory_failure(struct mce *m)
-{
- int flags = MF_ACTION_REQUIRED;
- int ret;
-
- pr_err("Uncorrected hardware memory error in user-access at %llx", m->addr);
- if (!(m->mcgstatus & MCG_STATUS_RIPV))
- flags |= MF_MUST_KILL;
- ret = memory_failure(m->addr >> PAGE_SHIFT, flags);
- if (ret)
- pr_err("Memory error not recovered");
- else
- set_mce_nospec(m->addr >> PAGE_SHIFT);
- return ret;
-}
-
-
/*
* Cases where we avoid rendezvous handler timeout:
* 1) If this CPU is offline.
@@ -1204,6 +1189,29 @@ static void __mc_scan_banks(struct mce *m, struct mce *final,
*m = *final;
}
+static void kill_me_now(struct callback_head *ch)
+{
+ force_sig(SIGBUS);
+}
+
+static void kill_me_maybe(struct callback_head *cb)
+{
+ struct task_struct *p = container_of(cb, struct task_struct, mce_kill_me);
+ int flags = MF_ACTION_REQUIRED;
+
+ pr_err("Uncorrected hardware memory error in user-access at %llx", p->mce_addr);
+ if (!(p->mce_status & MCG_STATUS_RIPV))
+ flags |= MF_MUST_KILL;
+
+ if (!memory_failure(p->mce_addr >> PAGE_SHIFT, flags)) {
+ set_mce_nospec(p->mce_addr >> PAGE_SHIFT);
+ return;
+ }
+
+ pr_err("Memory error not recovered");
+ kill_me_now(cb);
+}
+
/*
* The actual machine check handler. This only handles real
* exceptions when something got corrupted coming in through int 18.
@@ -1222,7 +1230,7 @@ static void __mc_scan_banks(struct mce *m, struct mce *final,
* backing the user stack, tracing that reads the user stack will cause
* potentially infinite recursion.
*/
-void notrace do_machine_check(struct pt_regs *regs, long error_code)
+void noinstr do_machine_check(struct pt_regs *regs, long error_code)
{
DECLARE_BITMAP(valid_banks, MAX_NR_BANKS);
DECLARE_BITMAP(toclear, MAX_NR_BANKS);
@@ -1259,7 +1267,7 @@ void notrace do_machine_check(struct pt_regs *regs, long error_code)
if (__mc_check_crashing_cpu(cpu))
return;
- ist_enter(regs);
+ nmi_enter();
this_cpu_inc(mce_exception_count);
@@ -1352,23 +1360,24 @@ void notrace do_machine_check(struct pt_regs *regs, long error_code)
/* Fault was in user mode and we need to take some action */
if ((m.cs & 3) == 3) {
- ist_begin_non_atomic(regs);
- local_irq_enable();
-
- if (kill_it || do_memory_failure(&m))
- force_sig(SIGBUS);
- local_irq_disable();
- ist_end_non_atomic();
+ /* If this triggers there is no way to recover. Die hard. */
+ BUG_ON(!on_thread_stack() || !user_mode(regs));
+
+ current->mce_addr = m.addr;
+ current->mce_status = m.mcgstatus;
+ current->mce_kill_me.func = kill_me_maybe;
+ if (kill_it)
+ current->mce_kill_me.func = kill_me_now;
+ task_work_add(current, &current->mce_kill_me, true);
} else {
if (!fixup_exception(regs, X86_TRAP_MC, error_code, 0))
mce_panic("Failed kernel mode recovery", &m, msg);
}
out_ist:
- ist_exit(regs);
+ nmi_exit();
}
EXPORT_SYMBOL_GPL(do_machine_check);
-NOKPROBE_SYMBOL(do_machine_check);
#ifndef CONFIG_MEMORY_FAILURE
int memory_failure(unsigned long pfn, int flags)
diff --git a/arch/x86/kernel/cpu/mce/p5.c b/arch/x86/kernel/cpu/mce/p5.c
index 4ae6df556526..5ee94aa1b766 100644
--- a/arch/x86/kernel/cpu/mce/p5.c
+++ b/arch/x86/kernel/cpu/mce/p5.c
@@ -7,6 +7,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/smp.h>
+#include <linux/hardirq.h>
#include <asm/processor.h>
#include <asm/traps.h>
@@ -24,7 +25,7 @@ static void pentium_machine_check(struct pt_regs *regs, long error_code)
{
u32 loaddr, hi, lotype;
- ist_enter(regs);
+ nmi_enter();
rdmsr(MSR_IA32_P5_MC_ADDR, loaddr, hi);
rdmsr(MSR_IA32_P5_MC_TYPE, lotype, hi);
@@ -39,7 +40,7 @@ static void pentium_machine_check(struct pt_regs *regs, long error_code)
add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
- ist_exit(regs);
+ nmi_exit();
}
/* Set up machine check reporting for processors with Intel style MCE: */
diff --git a/arch/x86/kernel/cpu/mce/winchip.c b/arch/x86/kernel/cpu/mce/winchip.c
index a30ea13cccc2..b3938c195365 100644
--- a/arch/x86/kernel/cpu/mce/winchip.c
+++ b/arch/x86/kernel/cpu/mce/winchip.c
@@ -6,6 +6,7 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <linux/hardirq.h>
#include <asm/processor.h>
#include <asm/traps.h>
@@ -18,12 +19,12 @@
/* Machine check handler for WinChip C6: */
static void winchip_machine_check(struct pt_regs *regs, long error_code)
{
- ist_enter(regs);
+ nmi_enter();
pr_emerg("CPU0: Machine Check Exception.\n");
add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE);
- ist_exit(regs);
+ nmi_exit();
}
/* Set up machine check reporting on the Winchip C6 series */
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 7019d4b2df0c..baec68b7e010 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -545,8 +545,7 @@ static int __wait_for_cpus(atomic_t *t, long long timeout)
/*
* Returns:
* < 0 - on error
- * 0 - no update done
- * 1 - microcode was updated
+ * 0 - success (no update done or microcode was updated)
*/
static int __reload_late(void *info)
{
@@ -573,11 +572,11 @@ static int __reload_late(void *info)
else
goto wait_for_siblings;
- if (err > UCODE_NFOUND) {
- pr_warn("Error reloading microcode on CPU %d\n", cpu);
+ if (err >= UCODE_NFOUND) {
+ if (err == UCODE_ERROR)
+ pr_warn("Error reloading microcode on CPU %d\n", cpu);
+
ret = -1;
- } else if (err == UCODE_UPDATED || err == UCODE_OK) {
- ret = 1;
}
wait_for_siblings:
@@ -608,7 +607,7 @@ static int microcode_reload_late(void)
atomic_set(&late_cpus_out, 0);
ret = stop_machine_cpuslocked(__reload_late, NULL, cpu_online_mask);
- if (ret > 0)
+ if (ret == 0)
microcode_check();
pr_info("Reload completed, microcode revision: 0x%x\n", boot_cpu_data.microcode);
@@ -649,7 +648,7 @@ static ssize_t reload_store(struct device *dev,
put:
put_online_cpus();
- if (ret >= 0)
+ if (ret == 0)
ret = size;
return ret;
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 9556930cd8c1..a5ee607a3b89 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -63,6 +63,10 @@ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr)
case 15:
return msr - MSR_P4_BPU_PERFCTR0;
}
+ fallthrough;
+ case X86_VENDOR_ZHAOXIN:
+ case X86_VENDOR_CENTAUR:
+ return msr - MSR_ARCH_PERFMON_PERFCTR0;
}
return 0;
}
@@ -92,6 +96,10 @@ static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr)
case 15:
return msr - MSR_P4_BSU_ESCR0;
}
+ fallthrough;
+ case X86_VENDOR_ZHAOXIN:
+ case X86_VENDOR_CENTAUR:
+ return msr - MSR_ARCH_PERFMON_EVENTSEL0;
}
return 0;
diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c
index d8cc5223b7ce..12f967c6b603 100644
--- a/arch/x86/kernel/cpu/resctrl/core.c
+++ b/arch/x86/kernel/cpu/resctrl/core.c
@@ -22,7 +22,7 @@
#include <linux/cpuhotplug.h>
#include <asm/intel-family.h>
-#include <asm/resctrl_sched.h>
+#include <asm/resctrl.h>
#include "internal.h"
/* Mutex to protect rdtgroup access. */
@@ -958,6 +958,36 @@ static __init void rdt_init_res_defs(void)
static enum cpuhp_state rdt_online;
+/* Runs once on the BSP during boot. */
+void resctrl_cpu_detect(struct cpuinfo_x86 *c)
+{
+ if (!cpu_has(c, X86_FEATURE_CQM_LLC)) {
+ c->x86_cache_max_rmid = -1;
+ c->x86_cache_occ_scale = -1;
+ c->x86_cache_mbm_width_offset = -1;
+ return;
+ }
+
+ /* will be overridden if occupancy monitoring exists */
+ c->x86_cache_max_rmid = cpuid_ebx(0xf);
+
+ if (cpu_has(c, X86_FEATURE_CQM_OCCUP_LLC) ||
+ cpu_has(c, X86_FEATURE_CQM_MBM_TOTAL) ||
+ cpu_has(c, X86_FEATURE_CQM_MBM_LOCAL)) {
+ u32 eax, ebx, ecx, edx;
+
+ /* QoS sub-leaf, EAX=0Fh, ECX=1 */
+ cpuid_count(0xf, 1, &eax, &ebx, &ecx, &edx);
+
+ c->x86_cache_max_rmid = ecx;
+ c->x86_cache_occ_scale = ebx;
+ if (c->x86_vendor == X86_VENDOR_INTEL)
+ c->x86_cache_mbm_width_offset = eax & 0xff;
+ else
+ c->x86_cache_mbm_width_offset = -1;
+ }
+}
+
static int __init resctrl_late_init(void)
{
struct rdt_resource *r;
diff --git a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
index 055c8613b531..934c8fb8a64a 100644
--- a/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
+++ b/arch/x86/kernel/cpu/resctrl/ctrlmondata.c
@@ -495,14 +495,16 @@ int rdtgroup_schemata_show(struct kernfs_open_file *of,
return ret;
}
-void mon_event_read(struct rmid_read *rr, struct rdt_domain *d,
- struct rdtgroup *rdtgrp, int evtid, int first)
+void mon_event_read(struct rmid_read *rr, struct rdt_resource *r,
+ struct rdt_domain *d, struct rdtgroup *rdtgrp,
+ int evtid, int first)
{
/*
* setup the parameters to send to the IPI to read the data.
*/
rr->rgrp = rdtgrp;
rr->evtid = evtid;
+ rr->r = r;
rr->d = d;
rr->val = 0;
rr->first = first;
@@ -539,7 +541,7 @@ int rdtgroup_mondata_show(struct seq_file *m, void *arg)
goto out;
}
- mon_event_read(&rr, d, rdtgrp, evtid, false);
+ mon_event_read(&rr, r, d, rdtgrp, evtid, false);
if (rr.val & RMID_VAL_ERROR)
seq_puts(m, "Error\n");
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index 3dd13f3a8b23..f20a47d120b1 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -31,7 +31,7 @@
#define CQM_LIMBOCHECK_INTERVAL 1000
-#define MBM_CNTR_WIDTH 24
+#define MBM_CNTR_WIDTH_BASE 24
#define MBM_OVERFLOW_INTERVAL 1000
#define MAX_MBA_BW 100u
#define MBA_IS_LINEAR 0x4
@@ -40,6 +40,12 @@
#define RMID_VAL_ERROR BIT_ULL(63)
#define RMID_VAL_UNAVAIL BIT_ULL(62)
+/*
+ * With the above fields in use 62 bits remain in MSR_IA32_QM_CTR for
+ * data to be returned. The counter width is discovered from the hardware
+ * as an offset from MBM_CNTR_WIDTH_BASE.
+ */
+#define MBM_CNTR_WIDTH_OFFSET_MAX (62 - MBM_CNTR_WIDTH_BASE)
struct rdt_fs_context {
@@ -87,6 +93,7 @@ union mon_data_bits {
struct rmid_read {
struct rdtgroup *rgrp;
+ struct rdt_resource *r;
struct rdt_domain *d;
int evtid;
bool first;
@@ -460,6 +467,7 @@ struct rdt_resource {
struct list_head evt_list;
int num_rmid;
unsigned int mon_scale;
+ unsigned int mbm_width;
unsigned long fflags;
};
@@ -587,8 +595,9 @@ void rmdir_mondata_subdir_allrdtgrp(struct rdt_resource *r,
unsigned int dom_id);
void mkdir_mondata_subdir_allrdtgrp(struct rdt_resource *r,
struct rdt_domain *d);
-void mon_event_read(struct rmid_read *rr, struct rdt_domain *d,
- struct rdtgroup *rdtgrp, int evtid, int first);
+void mon_event_read(struct rmid_read *rr, struct rdt_resource *r,
+ struct rdt_domain *d, struct rdtgroup *rdtgrp,
+ int evtid, int first);
void mbm_setup_overflow_handler(struct rdt_domain *dom,
unsigned long delay_ms);
void mbm_handle_overflow(struct work_struct *work);
diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/resctrl/monitor.c
index 773124b0e18a..837d7d012b7b 100644
--- a/arch/x86/kernel/cpu/resctrl/monitor.c
+++ b/arch/x86/kernel/cpu/resctrl/monitor.c
@@ -214,9 +214,9 @@ void free_rmid(u32 rmid)
list_add_tail(&entry->list, &rmid_free_lru);
}
-static u64 mbm_overflow_count(u64 prev_msr, u64 cur_msr)
+static u64 mbm_overflow_count(u64 prev_msr, u64 cur_msr, unsigned int width)
{
- u64 shift = 64 - MBM_CNTR_WIDTH, chunks;
+ u64 shift = 64 - width, chunks;
chunks = (cur_msr << shift) - (prev_msr << shift);
return chunks >>= shift;
@@ -256,7 +256,7 @@ static int __mon_event_count(u32 rmid, struct rmid_read *rr)
return 0;
}
- chunks = mbm_overflow_count(m->prev_msr, tval);
+ chunks = mbm_overflow_count(m->prev_msr, tval, rr->r->mbm_width);
m->chunks += chunks;
m->prev_msr = tval;
@@ -278,7 +278,7 @@ static void mbm_bw_count(u32 rmid, struct rmid_read *rr)
if (tval & (RMID_VAL_ERROR | RMID_VAL_UNAVAIL))
return;
- chunks = mbm_overflow_count(m->prev_bw_msr, tval);
+ chunks = mbm_overflow_count(m->prev_bw_msr, tval, rr->r->mbm_width);
m->chunks_bw += chunks;
m->chunks = m->chunks_bw;
cur_bw = (chunks * r->mon_scale) >> 20;
@@ -433,11 +433,12 @@ static void update_mba_bw(struct rdtgroup *rgrp, struct rdt_domain *dom_mbm)
}
}
-static void mbm_update(struct rdt_domain *d, int rmid)
+static void mbm_update(struct rdt_resource *r, struct rdt_domain *d, int rmid)
{
struct rmid_read rr;
rr.first = false;
+ rr.r = r;
rr.d = d;
/*
@@ -510,6 +511,7 @@ void mbm_handle_overflow(struct work_struct *work)
struct rdtgroup *prgrp, *crgrp;
int cpu = smp_processor_id();
struct list_head *head;
+ struct rdt_resource *r;
struct rdt_domain *d;
mutex_lock(&rdtgroup_mutex);
@@ -517,16 +519,18 @@ void mbm_handle_overflow(struct work_struct *work)
if (!static_branch_likely(&rdt_mon_enable_key))
goto out_unlock;
- d = get_domain_from_cpu(cpu, &rdt_resources_all[RDT_RESOURCE_L3]);
+ r = &rdt_resources_all[RDT_RESOURCE_L3];
+
+ d = get_domain_from_cpu(cpu, r);
if (!d)
goto out_unlock;
list_for_each_entry(prgrp, &rdt_all_groups, rdtgroup_list) {
- mbm_update(d, prgrp->mon.rmid);
+ mbm_update(r, d, prgrp->mon.rmid);
head = &prgrp->mon.crdtgrp_list;
list_for_each_entry(crgrp, head, mon.crdtgrp_list)
- mbm_update(d, crgrp->mon.rmid);
+ mbm_update(r, d, crgrp->mon.rmid);
if (is_mba_sc(NULL))
update_mba_bw(prgrp, d);
@@ -614,11 +618,18 @@ static void l3_mon_evt_init(struct rdt_resource *r)
int rdt_get_mon_l3_config(struct rdt_resource *r)
{
+ unsigned int mbm_offset = boot_cpu_data.x86_cache_mbm_width_offset;
unsigned int cl_size = boot_cpu_data.x86_cache_size;
int ret;
r->mon_scale = boot_cpu_data.x86_cache_occ_scale;
r->num_rmid = boot_cpu_data.x86_cache_max_rmid + 1;
+ r->mbm_width = MBM_CNTR_WIDTH_BASE;
+
+ if (mbm_offset > 0 && mbm_offset <= MBM_CNTR_WIDTH_OFFSET_MAX)
+ r->mbm_width += mbm_offset;
+ else if (mbm_offset > MBM_CNTR_WIDTH_OFFSET_MAX)
+ pr_warn("Ignoring impossible MBM counter offset\n");
/*
* A reasonable upper limit on the max threshold is the number
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
index d7623e1b927d..4bd28b388a1a 100644
--- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
+++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
@@ -24,7 +24,7 @@
#include <asm/cacheflush.h>
#include <asm/intel-family.h>
-#include <asm/resctrl_sched.h>
+#include <asm/resctrl.h>
#include <asm/perf_event.h>
#include "../../events/perf_event.h" /* For X86_CONFIG() */
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index 5a359d9fcc05..d7cb5ab0d1f0 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -29,7 +29,7 @@
#include <uapi/linux/magic.h>
-#include <asm/resctrl_sched.h>
+#include <asm/resctrl.h>
#include "internal.h"
DEFINE_STATIC_KEY_FALSE(rdt_enable_key);
@@ -2472,7 +2472,7 @@ static int mkdir_mondata_subdir(struct kernfs_node *parent_kn,
goto out_destroy;
if (is_mbm_event(mevt->evtid))
- mon_event_read(&rr, d, prgrp, mevt->evtid, true);
+ mon_event_read(&rr, r, d, prgrp, mevt->evtid, true);
}
kernfs_activate(kn);
return 0;
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
index 8e3a8fedfa4d..722fd712e1cf 100644
--- a/arch/x86/kernel/dumpstack_32.c
+++ b/arch/x86/kernel/dumpstack_32.c
@@ -87,7 +87,6 @@ static bool in_softirq_stack(unsigned long *stack, struct stack_info *info)
static bool in_doublefault_stack(unsigned long *stack, struct stack_info *info)
{
-#ifdef CONFIG_DOUBLEFAULT
struct cpu_entry_area *cea = get_cpu_entry_area(raw_smp_processor_id());
struct doublefault_stack *ss = &cea->doublefault_stack;
@@ -103,9 +102,6 @@ static bool in_doublefault_stack(unsigned long *stack, struct stack_info *info)
info->next_sp = (unsigned long *)this_cpu_read(cpu_tss_rw.x86_tss.sp);
return true;
-#else
- return false;
-#endif
}
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index 87b97897a881..460ae7f66818 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -183,7 +183,8 @@ recursion_check:
*/
if (visit_mask) {
if (*visit_mask & (1UL << info->type)) {
- printk_deferred_once(KERN_WARNING "WARNING: stack recursion on stack type %d\n", info->type);
+ if (task == current)
+ printk_deferred_once(KERN_WARNING "WARNING: stack recursion on stack type %d\n", info->type);
goto unknown;
}
*visit_mask |= 1UL << info->type;
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index c5399e80c59c..4d13c57f370a 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -910,14 +910,6 @@ static int __init parse_memmap_one(char *p)
return -EINVAL;
if (!strncmp(p, "exactmap", 8)) {
-#ifdef CONFIG_CRASH_DUMP
- /*
- * If we are doing a crash dump, we still need to know
- * the real memory size before the original memory map is
- * reset.
- */
- saved_max_pfn = e820__end_of_ram_pfn();
-#endif
e820_table->nr_entries = 0;
userdef = 1;
return 0;
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index 9b33904251a9..93fbdff2974f 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -15,12 +15,9 @@
#include <xen/hvc-console.h>
#include <asm/pci-direct.h>
#include <asm/fixmap.h>
-#include <asm/intel-mid.h>
#include <asm/pgtable.h>
#include <linux/usb/ehci_def.h>
#include <linux/usb/xhci-dbgp.h>
-#include <linux/efi.h>
-#include <asm/efi.h>
#include <asm/pci_x86.h>
/* Simple VGA output */
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
index 12c70840980e..06c818967bb6 100644
--- a/arch/x86/kernel/fpu/core.c
+++ b/arch/x86/kernel/fpu/core.c
@@ -291,15 +291,13 @@ void fpu__drop(struct fpu *fpu)
}
/*
- * Clear FPU registers by setting them up from
- * the init fpstate:
+ * Clear FPU registers by setting them up from the init fpstate.
+ * Caller must do fpregs_[un]lock() around it.
*/
-static inline void copy_init_fpstate_to_fpregs(void)
+static inline void copy_init_fpstate_to_fpregs(u64 features_mask)
{
- fpregs_lock();
-
if (use_xsave())
- copy_kernel_to_xregs(&init_fpstate.xsave, -1);
+ copy_kernel_to_xregs(&init_fpstate.xsave, features_mask);
else if (static_cpu_has(X86_FEATURE_FXSR))
copy_kernel_to_fxregs(&init_fpstate.fxsave);
else
@@ -307,9 +305,6 @@ static inline void copy_init_fpstate_to_fpregs(void)
if (boot_cpu_has(X86_FEATURE_OSPKE))
copy_init_pkru_to_fpregs();
-
- fpregs_mark_activate();
- fpregs_unlock();
}
/*
@@ -318,18 +313,40 @@ static inline void copy_init_fpstate_to_fpregs(void)
* Called by sys_execve(), by the signal handler code and by various
* error paths.
*/
-void fpu__clear(struct fpu *fpu)
+static void fpu__clear(struct fpu *fpu, bool user_only)
{
- WARN_ON_FPU(fpu != &current->thread.fpu); /* Almost certainly an anomaly */
+ WARN_ON_FPU(fpu != &current->thread.fpu);
- fpu__drop(fpu);
+ if (!static_cpu_has(X86_FEATURE_FPU)) {
+ fpu__drop(fpu);
+ fpu__initialize(fpu);
+ return;
+ }
- /*
- * Make sure fpstate is cleared and initialized.
- */
- fpu__initialize(fpu);
- if (static_cpu_has(X86_FEATURE_FPU))
- copy_init_fpstate_to_fpregs();
+ fpregs_lock();
+
+ if (user_only) {
+ if (!fpregs_state_valid(fpu, smp_processor_id()) &&
+ xfeatures_mask_supervisor())
+ copy_kernel_to_xregs(&fpu->state.xsave,
+ xfeatures_mask_supervisor());
+ copy_init_fpstate_to_fpregs(xfeatures_mask_user());
+ } else {
+ copy_init_fpstate_to_fpregs(xfeatures_mask_all);
+ }
+
+ fpregs_mark_activate();
+ fpregs_unlock();
+}
+
+void fpu__clear_user_states(struct fpu *fpu)
+{
+ fpu__clear(fpu, true);
+}
+
+void fpu__clear_all(struct fpu *fpu)
+{
+ fpu__clear(fpu, false);
}
/*
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c
index 6ce7e0a23268..61ddc3a5e5c2 100644
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -224,7 +224,8 @@ static void __init fpu__init_system_xstate_size_legacy(void)
*/
u64 __init fpu__get_supported_xfeatures_mask(void)
{
- return XCNTXT_MASK;
+ return XFEATURE_MASK_USER_SUPPORTED |
+ XFEATURE_MASK_SUPERVISOR_SUPPORTED;
}
/* Legacy code to initialize eager fpu mode. */
diff --git a/arch/x86/kernel/fpu/regset.c b/arch/x86/kernel/fpu/regset.c
index d652b939ccfb..bd1d0649f8ce 100644
--- a/arch/x86/kernel/fpu/regset.c
+++ b/arch/x86/kernel/fpu/regset.c
@@ -139,7 +139,7 @@ int xstateregs_set(struct task_struct *target, const struct user_regset *regset,
} else {
ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, xsave, 0, -1);
if (!ret)
- ret = validate_xstate_header(&xsave->header);
+ ret = validate_user_xstate_header(&xsave->header);
}
/*
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index 400a05e1c1c5..9393a445d73c 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -211,9 +211,9 @@ retry:
}
static inline void
-sanitize_restored_xstate(union fpregs_state *state,
- struct user_i387_ia32_struct *ia32_env,
- u64 xfeatures, int fx_only)
+sanitize_restored_user_xstate(union fpregs_state *state,
+ struct user_i387_ia32_struct *ia32_env,
+ u64 user_xfeatures, int fx_only)
{
struct xregs_state *xsave = &state->xsave;
struct xstate_header *header = &xsave->header;
@@ -226,13 +226,22 @@ sanitize_restored_xstate(union fpregs_state *state,
*/
/*
- * Init the state that is not present in the memory
- * layout and not enabled by the OS.
+ * 'user_xfeatures' might have bits clear which are
+ * set in header->xfeatures. This represents features that
+ * were in init state prior to a signal delivery, and need
+ * to be reset back to the init state. Clear any user
+ * feature bits which are set in the kernel buffer to get
+ * them back to the init state.
+ *
+ * Supervisor state is unchanged by input from userspace.
+ * Ensure supervisor state bits stay set and supervisor
+ * state is not modified.
*/
if (fx_only)
header->xfeatures = XFEATURE_MASK_FPSSE;
else
- header->xfeatures &= xfeatures;
+ header->xfeatures &= user_xfeatures |
+ xfeatures_mask_supervisor();
}
if (use_fxsr()) {
@@ -252,16 +261,24 @@ sanitize_restored_xstate(union fpregs_state *state,
*/
static int copy_user_to_fpregs_zeroing(void __user *buf, u64 xbv, int fx_only)
{
+ u64 init_bv;
+ int r;
+
if (use_xsave()) {
if (fx_only) {
- u64 init_bv = xfeatures_mask & ~XFEATURE_MASK_FPSSE;
- copy_kernel_to_xregs(&init_fpstate.xsave, init_bv);
- return copy_user_to_fxregs(buf);
+ init_bv = xfeatures_mask_user() & ~XFEATURE_MASK_FPSSE;
+
+ r = copy_user_to_fxregs(buf);
+ if (!r)
+ copy_kernel_to_xregs(&init_fpstate.xsave, init_bv);
+ return r;
} else {
- u64 init_bv = xfeatures_mask & ~xbv;
- if (unlikely(init_bv))
+ init_bv = xfeatures_mask_user() & ~xbv;
+
+ r = copy_user_to_xregs(buf, xbv);
+ if (!r && unlikely(init_bv))
copy_kernel_to_xregs(&init_fpstate.xsave, init_bv);
- return copy_user_to_xregs(buf, xbv);
+ return r;
}
} else if (use_fxsr()) {
return copy_user_to_fxregs(buf);
@@ -277,7 +294,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
struct task_struct *tsk = current;
struct fpu *fpu = &tsk->thread.fpu;
struct user_i387_ia32_struct env;
- u64 xfeatures = 0;
+ u64 user_xfeatures = 0;
int fx_only = 0;
int ret = 0;
@@ -285,7 +302,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
IS_ENABLED(CONFIG_IA32_EMULATION));
if (!buf) {
- fpu__clear(fpu);
+ fpu__clear_user_states(fpu);
return 0;
}
@@ -310,32 +327,14 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
trace_x86_fpu_xstate_check_failed(fpu);
} else {
state_size = fx_sw_user.xstate_size;
- xfeatures = fx_sw_user.xfeatures;
+ user_xfeatures = fx_sw_user.xfeatures;
}
}
- /*
- * The current state of the FPU registers does not matter. By setting
- * TIF_NEED_FPU_LOAD unconditionally it is ensured that the our xstate
- * is not modified on context switch and that the xstate is considered
- * to be loaded again on return to userland (overriding last_cpu avoids
- * the optimisation).
- */
- set_thread_flag(TIF_NEED_FPU_LOAD);
- __fpu_invalidate_fpregs_state(fpu);
-
if ((unsigned long)buf_fx % 64)
fx_only = 1;
- /*
- * For 32-bit frames with fxstate, copy the fxstate so it can be
- * reconstructed later.
- */
- if (ia32_fxstate) {
- ret = __copy_from_user(&env, buf, sizeof(env));
- if (ret)
- goto err_out;
- envp = &env;
- } else {
+
+ if (!ia32_fxstate) {
/*
* Attempt to restore the FPU registers directly from user
* memory. For that to succeed, the user access cannot cause
@@ -345,20 +344,65 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
*/
fpregs_lock();
pagefault_disable();
- ret = copy_user_to_fpregs_zeroing(buf_fx, xfeatures, fx_only);
+ ret = copy_user_to_fpregs_zeroing(buf_fx, user_xfeatures, fx_only);
pagefault_enable();
if (!ret) {
+
+ /*
+ * Restore supervisor states: previous context switch
+ * etc has done XSAVES and saved the supervisor states
+ * in the kernel buffer from which they can be restored
+ * now.
+ *
+ * We cannot do a single XRSTORS here - which would
+ * be nice - because the rest of the FPU registers are
+ * being restored from a user buffer directly. The
+ * single XRSTORS happens below, when the user buffer
+ * has been copied to the kernel one.
+ */
+ if (test_thread_flag(TIF_NEED_FPU_LOAD) &&
+ xfeatures_mask_supervisor())
+ copy_kernel_to_xregs(&fpu->state.xsave,
+ xfeatures_mask_supervisor());
fpregs_mark_activate();
fpregs_unlock();
return 0;
}
- fpregs_deactivate(fpu);
fpregs_unlock();
+ } else {
+ /*
+ * For 32-bit frames with fxstate, copy the fxstate so it can
+ * be reconstructed later.
+ */
+ ret = __copy_from_user(&env, buf, sizeof(env));
+ if (ret)
+ goto err_out;
+ envp = &env;
}
+ /*
+ * By setting TIF_NEED_FPU_LOAD it is ensured that our xstate is
+ * not modified on context switch and that the xstate is considered
+ * to be loaded again on return to userland (overriding last_cpu avoids
+ * the optimisation).
+ */
+ fpregs_lock();
+
+ if (!test_thread_flag(TIF_NEED_FPU_LOAD)) {
+
+ /*
+ * Supervisor states are not modified by user space input. Save
+ * current supervisor states first and invalidate the FPU regs.
+ */
+ if (xfeatures_mask_supervisor())
+ copy_supervisor_to_kernel(&fpu->state.xsave);
+ set_thread_flag(TIF_NEED_FPU_LOAD);
+ }
+ __fpu_invalidate_fpregs_state(fpu);
+ fpregs_unlock();
if (use_xsave() && !fx_only) {
- u64 init_bv = xfeatures_mask & ~xfeatures;
+ u64 init_bv = xfeatures_mask_user() & ~user_xfeatures;
if (using_compacted_format()) {
ret = copy_user_to_xstate(&fpu->state.xsave, buf_fx);
@@ -366,17 +410,24 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
ret = __copy_from_user(&fpu->state.xsave, buf_fx, state_size);
if (!ret && state_size > offsetof(struct xregs_state, header))
- ret = validate_xstate_header(&fpu->state.xsave.header);
+ ret = validate_user_xstate_header(&fpu->state.xsave.header);
}
if (ret)
goto err_out;
- sanitize_restored_xstate(&fpu->state, envp, xfeatures, fx_only);
+ sanitize_restored_user_xstate(&fpu->state, envp, user_xfeatures,
+ fx_only);
fpregs_lock();
if (unlikely(init_bv))
copy_kernel_to_xregs(&init_fpstate.xsave, init_bv);
- ret = copy_kernel_to_xregs_err(&fpu->state.xsave, xfeatures);
+
+ /*
+ * Restore previously saved supervisor xstates along with
+ * copied-in user xstates.
+ */
+ ret = copy_kernel_to_xregs_err(&fpu->state.xsave,
+ user_xfeatures | xfeatures_mask_supervisor());
} else if (use_fxsr()) {
ret = __copy_from_user(&fpu->state.fxsave, buf_fx, state_size);
@@ -385,11 +436,14 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
goto err_out;
}
- sanitize_restored_xstate(&fpu->state, envp, xfeatures, fx_only);
+ sanitize_restored_user_xstate(&fpu->state, envp, user_xfeatures,
+ fx_only);
fpregs_lock();
if (use_xsave()) {
- u64 init_bv = xfeatures_mask & ~XFEATURE_MASK_FPSSE;
+ u64 init_bv;
+
+ init_bv = xfeatures_mask_user() & ~XFEATURE_MASK_FPSSE;
copy_kernel_to_xregs(&init_fpstate.xsave, init_bv);
}
@@ -410,7 +464,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size)
err_out:
if (ret)
- fpu__clear(fpu);
+ fpu__clear_user_states(fpu);
return ret;
}
@@ -465,7 +519,7 @@ void fpu__init_prepare_fx_sw_frame(void)
fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1;
fx_sw_reserved.extended_size = size;
- fx_sw_reserved.xfeatures = xfeatures_mask;
+ fx_sw_reserved.xfeatures = xfeatures_mask_user();
fx_sw_reserved.xstate_size = fpu_user_xstate_size;
if (IS_ENABLED(CONFIG_IA32_EMULATION) ||
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 32b153d38748..bda2e5eaca0e 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -54,13 +54,15 @@ static short xsave_cpuid_features[] __initdata = {
};
/*
- * Mask of xstate features supported by the CPU and the kernel:
+ * This represents the full set of bits that should ever be set in a kernel
+ * XSAVE buffer, both supervisor and user xstates.
*/
-u64 xfeatures_mask __read_mostly;
+u64 xfeatures_mask_all __read_mostly;
static unsigned int xstate_offsets[XFEATURE_MAX] = { [ 0 ... XFEATURE_MAX - 1] = -1};
static unsigned int xstate_sizes[XFEATURE_MAX] = { [ 0 ... XFEATURE_MAX - 1] = -1};
static unsigned int xstate_comp_offsets[XFEATURE_MAX] = { [ 0 ... XFEATURE_MAX - 1] = -1};
+static unsigned int xstate_supervisor_only_offsets[XFEATURE_MAX] = { [ 0 ... XFEATURE_MAX - 1] = -1};
/*
* The XSAVE area of kernel can be in standard or compacted format;
@@ -76,7 +78,7 @@ unsigned int fpu_user_xstate_size;
*/
int cpu_has_xfeatures(u64 xfeatures_needed, const char **feature_name)
{
- u64 xfeatures_missing = xfeatures_needed & ~xfeatures_mask;
+ u64 xfeatures_missing = xfeatures_needed & ~xfeatures_mask_all;
if (unlikely(feature_name)) {
long xfeature_idx, max_idx;
@@ -150,7 +152,7 @@ void fpstate_sanitize_xstate(struct fpu *fpu)
* None of the feature bits are in init state. So nothing else
* to do for us, as the memory layout is up to date.
*/
- if ((xfeatures & xfeatures_mask) == xfeatures_mask)
+ if ((xfeatures & xfeatures_mask_all) == xfeatures_mask_all)
return;
/*
@@ -177,7 +179,7 @@ void fpstate_sanitize_xstate(struct fpu *fpu)
* in a special way already:
*/
feature_bit = 0x2;
- xfeatures = (xfeatures_mask & ~xfeatures) >> 2;
+ xfeatures = (xfeatures_mask_user() & ~xfeatures) >> 2;
/*
* Update all the remaining memory layouts according to their
@@ -205,30 +207,39 @@ void fpstate_sanitize_xstate(struct fpu *fpu)
*/
void fpu__init_cpu_xstate(void)
{
- if (!boot_cpu_has(X86_FEATURE_XSAVE) || !xfeatures_mask)
+ u64 unsup_bits;
+
+ if (!boot_cpu_has(X86_FEATURE_XSAVE) || !xfeatures_mask_all)
return;
/*
- * Make it clear that XSAVES supervisor states are not yet
- * implemented should anyone expect it to work by changing
- * bits in XFEATURE_MASK_* macros and XCR0.
+ * Unsupported supervisor xstates should not be found in
+ * the xfeatures mask.
*/
- WARN_ONCE((xfeatures_mask & XFEATURE_MASK_SUPERVISOR),
- "x86/fpu: XSAVES supervisor states are not yet implemented.\n");
+ unsup_bits = xfeatures_mask_all & XFEATURE_MASK_SUPERVISOR_UNSUPPORTED;
+ WARN_ONCE(unsup_bits, "x86/fpu: Found unsupported supervisor xstates: 0x%llx\n",
+ unsup_bits);
- xfeatures_mask &= ~XFEATURE_MASK_SUPERVISOR;
+ xfeatures_mask_all &= ~XFEATURE_MASK_SUPERVISOR_UNSUPPORTED;
cr4_set_bits(X86_CR4_OSXSAVE);
- xsetbv(XCR_XFEATURE_ENABLED_MASK, xfeatures_mask);
+
+ /*
+ * XCR_XFEATURE_ENABLED_MASK (aka. XCR0) sets user features
+ * managed by XSAVE{C, OPT, S} and XRSTOR{S}. Only XSAVE user
+ * states can be set here.
+ */
+ xsetbv(XCR_XFEATURE_ENABLED_MASK, xfeatures_mask_user());
+
+ /*
+ * MSR_IA32_XSS sets supervisor states managed by XSAVES.
+ */
+ if (boot_cpu_has(X86_FEATURE_XSAVES))
+ wrmsrl(MSR_IA32_XSS, xfeatures_mask_supervisor());
}
-/*
- * Note that in the future we will likely need a pair of
- * functions here: one for user xstates and the other for
- * system xstates. For now, they are the same.
- */
-static int xfeature_enabled(enum xfeature xfeature)
+static bool xfeature_enabled(enum xfeature xfeature)
{
- return !!(xfeatures_mask & (1UL << xfeature));
+ return xfeatures_mask_all & BIT_ULL(xfeature);
}
/*
@@ -383,6 +394,33 @@ static void __init setup_xstate_comp_offsets(void)
}
/*
+ * Setup offsets of a supervisor-state-only XSAVES buffer:
+ *
+ * The offsets stored in xstate_comp_offsets[] only work for one specific
+ * value of the Requested Feature BitMap (RFBM). In cases where a different
+ * RFBM value is used, a different set of offsets is required. This set of
+ * offsets is for when RFBM=xfeatures_mask_supervisor().
+ */
+static void __init setup_supervisor_only_offsets(void)
+{
+ unsigned int next_offset;
+ int i;
+
+ next_offset = FXSAVE_SIZE + XSAVE_HDR_SIZE;
+
+ for (i = FIRST_EXTENDED_XFEATURE; i < XFEATURE_MAX; i++) {
+ if (!xfeature_enabled(i) || !xfeature_is_supervisor(i))
+ continue;
+
+ if (xfeature_is_aligned(i))
+ next_offset = ALIGN(next_offset, 64);
+
+ xstate_supervisor_only_offsets[i] = next_offset;
+ next_offset += xstate_sizes[i];
+ }
+}
+
+/*
* Print out xstate component offsets and sizes
*/
static void __init print_xstate_offset_size(void)
@@ -415,7 +453,7 @@ static void __init setup_init_fpu_buf(void)
if (boot_cpu_has(X86_FEATURE_XSAVES))
init_fpstate.xsave.header.xcomp_bv = XCOMP_BV_COMPACTED_FORMAT |
- xfeatures_mask;
+ xfeatures_mask_all;
/*
* Init all the features state with header.xfeatures being 0x0
@@ -438,7 +476,7 @@ static int xfeature_uncompacted_offset(int xfeature_nr)
* format. Checking a supervisor state's uncompacted offset is
* an error.
*/
- if (XFEATURE_MASK_SUPERVISOR & BIT_ULL(xfeature_nr)) {
+ if (XFEATURE_MASK_SUPERVISOR_ALL & BIT_ULL(xfeature_nr)) {
WARN_ONCE(1, "No fixed offset for xstate %d\n", xfeature_nr);
return -1;
}
@@ -472,10 +510,10 @@ int using_compacted_format(void)
}
/* Validate an xstate header supplied by userspace (ptrace or sigreturn) */
-int validate_xstate_header(const struct xstate_header *hdr)
+int validate_user_xstate_header(const struct xstate_header *hdr)
{
/* No unknown or supervisor features may be set */
- if (hdr->xfeatures & (~xfeatures_mask | XFEATURE_MASK_SUPERVISOR))
+ if (hdr->xfeatures & ~xfeatures_mask_user())
return -EINVAL;
/* Userspace must use the uncompacted format */
@@ -610,15 +648,12 @@ static void do_extra_xstate_size_checks(void)
/*
- * Get total size of enabled xstates in XCR0/xfeatures_mask.
+ * Get total size of enabled xstates in XCR0 | IA32_XSS.
*
* Note the SDM's wording here. "sub-function 0" only enumerates
* the size of the *user* states. If we use it to size a buffer
* that we use 'XSAVES' on, we could potentially overflow the
* buffer because 'XSAVES' saves system states too.
- *
- * Note that we do not currently set any bits on IA32_XSS so
- * 'XCR0 | IA32_XSS == XCR0' for now.
*/
static unsigned int __init get_xsaves_size(void)
{
@@ -700,7 +735,7 @@ static int __init init_xstate_size(void)
*/
static void fpu__init_disable_system_xstate(void)
{
- xfeatures_mask = 0;
+ xfeatures_mask_all = 0;
cr4_clear_bits(X86_CR4_OSXSAVE);
setup_clear_cpu_cap(X86_FEATURE_XSAVE);
}
@@ -735,16 +770,26 @@ void __init fpu__init_system_xstate(void)
return;
}
+ /*
+ * Find user xstates supported by the processor.
+ */
cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx);
- xfeatures_mask = eax + ((u64)edx << 32);
+ xfeatures_mask_all = eax + ((u64)edx << 32);
- if ((xfeatures_mask & XFEATURE_MASK_FPSSE) != XFEATURE_MASK_FPSSE) {
+ /*
+ * Find supervisor xstates supported by the processor.
+ */
+ cpuid_count(XSTATE_CPUID, 1, &eax, &ebx, &ecx, &edx);
+ xfeatures_mask_all |= ecx + ((u64)edx << 32);
+
+ if ((xfeatures_mask_user() & XFEATURE_MASK_FPSSE) != XFEATURE_MASK_FPSSE) {
/*
* This indicates that something really unexpected happened
* with the enumeration. Disable XSAVE and try to continue
* booting without it. This is too early to BUG().
*/
- pr_err("x86/fpu: FP/SSE not present amongst the CPU's xstate features: 0x%llx.\n", xfeatures_mask);
+ pr_err("x86/fpu: FP/SSE not present amongst the CPU's xstate features: 0x%llx.\n",
+ xfeatures_mask_all);
goto out_disable;
}
@@ -753,10 +798,10 @@ void __init fpu__init_system_xstate(void)
*/
for (i = 0; i < ARRAY_SIZE(xsave_cpuid_features); i++) {
if (!boot_cpu_has(xsave_cpuid_features[i]))
- xfeatures_mask &= ~BIT(i);
+ xfeatures_mask_all &= ~BIT_ULL(i);
}
- xfeatures_mask &= fpu__get_supported_xfeatures_mask();
+ xfeatures_mask_all &= fpu__get_supported_xfeatures_mask();
/* Enable xstate instructions to be able to continue with initialization: */
fpu__init_cpu_xstate();
@@ -768,15 +813,16 @@ void __init fpu__init_system_xstate(void)
* Update info used for ptrace frames; use standard-format size and no
* supervisor xstates:
*/
- update_regset_xstate_info(fpu_user_xstate_size, xfeatures_mask & ~XFEATURE_MASK_SUPERVISOR);
+ update_regset_xstate_info(fpu_user_xstate_size, xfeatures_mask_user());
fpu__init_prepare_fx_sw_frame();
setup_init_fpu_buf();
setup_xstate_comp_offsets();
+ setup_supervisor_only_offsets();
print_xstate_offset_size();
pr_info("x86/fpu: Enabled xstate features 0x%llx, context size is %d bytes, using '%s' format.\n",
- xfeatures_mask,
+ xfeatures_mask_all,
fpu_kernel_xstate_size,
boot_cpu_has(X86_FEATURE_XSAVES) ? "compacted" : "standard");
return;
@@ -795,7 +841,14 @@ void fpu__resume_cpu(void)
* Restore XCR0 on xsave capable CPUs:
*/
if (boot_cpu_has(X86_FEATURE_XSAVE))
- xsetbv(XCR_XFEATURE_ENABLED_MASK, xfeatures_mask);
+ xsetbv(XCR_XFEATURE_ENABLED_MASK, xfeatures_mask_user());
+
+ /*
+ * Restore IA32_XSS. The same CPUID bit enumerates support
+ * of XSAVES and MSR_IA32_XSS.
+ */
+ if (boot_cpu_has(X86_FEATURE_XSAVES))
+ wrmsrl(MSR_IA32_XSS, xfeatures_mask_supervisor());
}
/*
@@ -840,10 +893,9 @@ void *get_xsave_addr(struct xregs_state *xsave, int xfeature_nr)
/*
* We should not ever be requesting features that we
- * have not enabled. Remember that xfeatures_mask is
- * what we write to the XCR0 register.
+ * have not enabled.
*/
- WARN_ONCE(!(xfeatures_mask & BIT_ULL(xfeature_nr)),
+ WARN_ONCE(!(xfeatures_mask_all & BIT_ULL(xfeature_nr)),
"get of unsupported state");
/*
* This assumes the last 'xsave*' instruction to
@@ -957,18 +1009,31 @@ static inline bool xfeatures_mxcsr_quirk(u64 xfeatures)
return true;
}
-/*
- * This is similar to user_regset_copyout(), but will not add offset to
- * the source data pointer or increment pos, count, kbuf, and ubuf.
- */
-static inline void
-__copy_xstate_to_kernel(void *kbuf, const void *data,
- unsigned int offset, unsigned int size, unsigned int size_total)
+static void fill_gap(unsigned to, void **kbuf, unsigned *pos, unsigned *count)
{
- if (offset < size_total) {
- unsigned int copy = min(size, size_total - offset);
+ if (*pos < to) {
+ unsigned size = to - *pos;
+
+ if (size > *count)
+ size = *count;
+ memcpy(*kbuf, (void *)&init_fpstate.xsave + *pos, size);
+ *kbuf += size;
+ *pos += size;
+ *count -= size;
+ }
+}
- memcpy(kbuf + offset, data, copy);
+static void copy_part(unsigned offset, unsigned size, void *from,
+ void **kbuf, unsigned *pos, unsigned *count)
+{
+ fill_gap(offset, kbuf, pos, count);
+ if (size > *count)
+ size = *count;
+ if (size) {
+ memcpy(*kbuf, from, size);
+ *kbuf += size;
+ *pos += size;
+ *count -= size;
}
}
@@ -981,8 +1046,9 @@ __copy_xstate_to_kernel(void *kbuf, const void *data,
*/
int copy_xstate_to_kernel(void *kbuf, struct xregs_state *xsave, unsigned int offset_start, unsigned int size_total)
{
- unsigned int offset, size;
struct xstate_header header;
+ const unsigned off_mxcsr = offsetof(struct fxregs_state, mxcsr);
+ unsigned count = size_total;
int i;
/*
@@ -996,48 +1062,44 @@ int copy_xstate_to_kernel(void *kbuf, struct xregs_state *xsave, unsigned int of
*/
memset(&header, 0, sizeof(header));
header.xfeatures = xsave->header.xfeatures;
- header.xfeatures &= ~XFEATURE_MASK_SUPERVISOR;
-
+ header.xfeatures &= xfeatures_mask_user();
+
+ if (header.xfeatures & XFEATURE_MASK_FP)
+ copy_part(0, off_mxcsr,
+ &xsave->i387, &kbuf, &offset_start, &count);
+ if (header.xfeatures & (XFEATURE_MASK_SSE | XFEATURE_MASK_YMM))
+ copy_part(off_mxcsr, MXCSR_AND_FLAGS_SIZE,
+ &xsave->i387.mxcsr, &kbuf, &offset_start, &count);
+ if (header.xfeatures & XFEATURE_MASK_FP)
+ copy_part(offsetof(struct fxregs_state, st_space), 128,
+ &xsave->i387.st_space, &kbuf, &offset_start, &count);
+ if (header.xfeatures & XFEATURE_MASK_SSE)
+ copy_part(xstate_offsets[XFEATURE_MASK_SSE], 256,
+ &xsave->i387.xmm_space, &kbuf, &offset_start, &count);
+ /*
+ * Fill xsave->i387.sw_reserved value for ptrace frame:
+ */
+ copy_part(offsetof(struct fxregs_state, sw_reserved), 48,
+ xstate_fx_sw_bytes, &kbuf, &offset_start, &count);
/*
* Copy xregs_state->header:
*/
- offset = offsetof(struct xregs_state, header);
- size = sizeof(header);
+ copy_part(offsetof(struct xregs_state, header), sizeof(header),
+ &header, &kbuf, &offset_start, &count);
- __copy_xstate_to_kernel(kbuf, &header, offset, size, size_total);
-
- for (i = 0; i < XFEATURE_MAX; i++) {
+ for (i = FIRST_EXTENDED_XFEATURE; i < XFEATURE_MAX; i++) {
/*
* Copy only in-use xstates:
*/
if ((header.xfeatures >> i) & 1) {
void *src = __raw_xsave_addr(xsave, i);
- offset = xstate_offsets[i];
- size = xstate_sizes[i];
-
- /* The next component has to fit fully into the output buffer: */
- if (offset + size > size_total)
- break;
-
- __copy_xstate_to_kernel(kbuf, src, offset, size, size_total);
+ copy_part(xstate_offsets[i], xstate_sizes[i],
+ src, &kbuf, &offset_start, &count);
}
}
-
- if (xfeatures_mxcsr_quirk(header.xfeatures)) {
- offset = offsetof(struct fxregs_state, mxcsr);
- size = MXCSR_AND_FLAGS_SIZE;
- __copy_xstate_to_kernel(kbuf, &xsave->i387.mxcsr, offset, size, size_total);
- }
-
- /*
- * Fill xsave->i387.sw_reserved value for ptrace frame:
- */
- offset = offsetof(struct fxregs_state, sw_reserved);
- size = sizeof(xstate_fx_sw_bytes);
-
- __copy_xstate_to_kernel(kbuf, xstate_fx_sw_bytes, offset, size, size_total);
+ fill_gap(size_total, &kbuf, &offset_start, &count);
return 0;
}
@@ -1080,7 +1142,7 @@ int copy_xstate_to_user(void __user *ubuf, struct xregs_state *xsave, unsigned i
*/
memset(&header, 0, sizeof(header));
header.xfeatures = xsave->header.xfeatures;
- header.xfeatures &= ~XFEATURE_MASK_SUPERVISOR;
+ header.xfeatures &= xfeatures_mask_user();
/*
* Copy xregs_state->header:
@@ -1147,7 +1209,7 @@ int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf)
memcpy(&hdr, kbuf + offset, size);
- if (validate_xstate_header(&hdr))
+ if (validate_user_xstate_header(&hdr))
return -EINVAL;
for (i = 0; i < XFEATURE_MAX; i++) {
@@ -1173,7 +1235,7 @@ int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf)
* The state that came in from userspace was user-state only.
* Mask all the user states out of 'xfeatures':
*/
- xsave->header.xfeatures &= XFEATURE_MASK_SUPERVISOR;
+ xsave->header.xfeatures &= XFEATURE_MASK_SUPERVISOR_ALL;
/*
* Add back in the features that came in from userspace:
@@ -1201,7 +1263,7 @@ int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf)
if (__copy_from_user(&hdr, ubuf + offset, size))
return -EFAULT;
- if (validate_xstate_header(&hdr))
+ if (validate_user_xstate_header(&hdr))
return -EINVAL;
for (i = 0; i < XFEATURE_MAX; i++) {
@@ -1229,7 +1291,7 @@ int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf)
* The state that came in from userspace was user-state only.
* Mask all the user states out of 'xfeatures':
*/
- xsave->header.xfeatures &= XFEATURE_MASK_SUPERVISOR;
+ xsave->header.xfeatures &= XFEATURE_MASK_SUPERVISOR_ALL;
/*
* Add back in the features that came in from userspace:
@@ -1239,6 +1301,61 @@ int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf)
return 0;
}
+/*
+ * Save only supervisor states to the kernel buffer. This blows away all
+ * old states, and is intended to be used only in __fpu__restore_sig(), where
+ * user states are restored from the user buffer.
+ */
+void copy_supervisor_to_kernel(struct xregs_state *xstate)
+{
+ struct xstate_header *header;
+ u64 max_bit, min_bit;
+ u32 lmask, hmask;
+ int err, i;
+
+ if (WARN_ON(!boot_cpu_has(X86_FEATURE_XSAVES)))
+ return;
+
+ if (!xfeatures_mask_supervisor())
+ return;
+
+ max_bit = __fls(xfeatures_mask_supervisor());
+ min_bit = __ffs(xfeatures_mask_supervisor());
+
+ lmask = xfeatures_mask_supervisor();
+ hmask = xfeatures_mask_supervisor() >> 32;
+ XSTATE_OP(XSAVES, xstate, lmask, hmask, err);
+
+ /* We should never fault when copying to a kernel buffer: */
+ if (WARN_ON_FPU(err))
+ return;
+
+ /*
+ * At this point, the buffer has only supervisor states and must be
+ * converted back to normal kernel format.
+ */
+ header = &xstate->header;
+ header->xcomp_bv |= xfeatures_mask_all;
+
+ /*
+ * This only moves states up in the buffer. Start with
+ * the last state and move backwards so that states are
+ * not overwritten until after they are moved. Note:
+ * memmove() allows overlapping src/dst buffers.
+ */
+ for (i = max_bit; i >= min_bit; i--) {
+ u8 *xbuf = (u8 *)xstate;
+
+ if (!((header->xfeatures >> i) & 1))
+ continue;
+
+ /* Move xfeature 'i' into its normal location */
+ memmove(xbuf + xstate_comp_offsets[i],
+ xbuf + xstate_supervisor_only_offsets[i],
+ xstate_sizes[i]);
+ }
+}
+
#ifdef CONFIG_PROC_PID_ARCH_STATUS
/*
* Report the amount of time elapsed in millisecond since last AVX512
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 37a0aeaf89e7..c84d28e90a58 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -282,7 +282,8 @@ static inline void tramp_free(void *tramp) { }
/* Defined as markers to the end of the ftrace default trampolines */
extern void ftrace_regs_caller_end(void);
-extern void ftrace_epilogue(void);
+extern void ftrace_regs_caller_ret(void);
+extern void ftrace_caller_end(void);
extern void ftrace_caller_op_ptr(void);
extern void ftrace_regs_caller_op_ptr(void);
@@ -334,7 +335,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size)
call_offset = (unsigned long)ftrace_regs_call;
} else {
start_offset = (unsigned long)ftrace_caller;
- end_offset = (unsigned long)ftrace_epilogue;
+ end_offset = (unsigned long)ftrace_caller_end;
op_offset = (unsigned long)ftrace_caller_op_ptr;
call_offset = (unsigned long)ftrace_call;
}
@@ -366,6 +367,13 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size)
if (WARN_ON(ret < 0))
goto fail;
+ if (ops->flags & FTRACE_OPS_FL_SAVE_REGS) {
+ ip = trampoline + (ftrace_regs_caller_ret - ftrace_regs_caller);
+ ret = probe_kernel_read(ip, (void *)retq, RET_SIZE);
+ if (WARN_ON(ret < 0))
+ goto fail;
+ }
+
/*
* The address of the ftrace_ops that is used for this trampoline
* is stored at the end of the trampoline. This will be used to
@@ -407,7 +415,8 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size)
set_vm_flush_reset_perms(trampoline);
- set_memory_ro((unsigned long)trampoline, npages);
+ if (likely(system_state != SYSTEM_BOOTING))
+ set_memory_ro((unsigned long)trampoline, npages);
set_memory_x((unsigned long)trampoline, npages);
return (unsigned long)trampoline;
fail:
@@ -415,6 +424,32 @@ fail:
return 0;
}
+void set_ftrace_ops_ro(void)
+{
+ struct ftrace_ops *ops;
+ unsigned long start_offset;
+ unsigned long end_offset;
+ unsigned long npages;
+ unsigned long size;
+
+ do_for_each_ftrace_op(ops, ftrace_ops_list) {
+ if (!(ops->flags & FTRACE_OPS_FL_ALLOC_TRAMP))
+ continue;
+
+ if (ops->flags & FTRACE_OPS_FL_SAVE_REGS) {
+ start_offset = (unsigned long)ftrace_regs_caller;
+ end_offset = (unsigned long)ftrace_regs_caller_end;
+ } else {
+ start_offset = (unsigned long)ftrace_caller;
+ end_offset = (unsigned long)ftrace_caller_end;
+ }
+ size = end_offset - start_offset;
+ size = size + RET_SIZE + sizeof(void *);
+ npages = DIV_ROUND_UP(size, PAGE_SIZE);
+ set_memory_ro((unsigned long)ops->trampoline, npages);
+ } while_for_each_ftrace_op(ops);
+}
+
static unsigned long calc_trampoline_call_offset(bool save_regs)
{
unsigned long start_offset;
diff --git a/arch/x86/kernel/ftrace_32.S b/arch/x86/kernel/ftrace_32.S
index e8a9f8370112..e405fe1a8bf4 100644
--- a/arch/x86/kernel/ftrace_32.S
+++ b/arch/x86/kernel/ftrace_32.S
@@ -189,5 +189,5 @@ return_to_handler:
movl %eax, %ecx
popl %edx
popl %eax
- JMP_NOSPEC %ecx
+ JMP_NOSPEC ecx
#endif
diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S
index 369e61faacfe..aa5d28aeb31e 100644
--- a/arch/x86/kernel/ftrace_64.S
+++ b/arch/x86/kernel/ftrace_64.S
@@ -23,7 +23,7 @@
#endif /* CONFIG_FRAME_POINTER */
/* Size of stack used to save mcount regs in save_mcount_regs */
-#define MCOUNT_REG_SIZE (SS+8 + MCOUNT_FRAME_SIZE)
+#define MCOUNT_REG_SIZE (FRAME_SIZE + MCOUNT_FRAME_SIZE)
/*
* gcc -pg option adds a call to 'mcount' in most functions.
@@ -77,7 +77,7 @@
/*
* We add enough stack to save all regs.
*/
- subq $(MCOUNT_REG_SIZE - MCOUNT_FRAME_SIZE), %rsp
+ subq $(FRAME_SIZE), %rsp
movq %rax, RAX(%rsp)
movq %rcx, RCX(%rsp)
movq %rdx, RDX(%rsp)
@@ -157,8 +157,12 @@ SYM_INNER_LABEL(ftrace_call, SYM_L_GLOBAL)
* think twice before adding any new code or changing the
* layout here.
*/
-SYM_INNER_LABEL(ftrace_epilogue, SYM_L_GLOBAL)
+SYM_INNER_LABEL(ftrace_caller_end, SYM_L_GLOBAL)
+ jmp ftrace_epilogue
+SYM_FUNC_END(ftrace_caller);
+
+SYM_FUNC_START(ftrace_epilogue)
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL)
jmp ftrace_stub
@@ -170,14 +174,12 @@ SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL)
*/
SYM_INNER_LABEL_ALIGN(ftrace_stub, SYM_L_WEAK)
retq
-SYM_FUNC_END(ftrace_caller)
+SYM_FUNC_END(ftrace_epilogue)
SYM_FUNC_START(ftrace_regs_caller)
/* Save the current flags before any operations that can change them */
pushfq
- UNWIND_HINT_SAVE
-
/* added 8 bytes to save flags */
save_mcount_regs 8
/* save_mcount_regs fills in first two parameters */
@@ -233,10 +235,13 @@ SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL)
movq ORIG_RAX(%rsp), %rax
movq %rax, MCOUNT_REG_SIZE-8(%rsp)
- /* If ORIG_RAX is anything but zero, make this a call to that */
+ /*
+ * If ORIG_RAX is anything but zero, make this a call to that.
+ * See arch_ftrace_set_direct_caller().
+ */
movq ORIG_RAX(%rsp), %rax
- cmpq $0, %rax
- je 1f
+ testq %rax, %rax
+ jz 1f
/* Swap the flags with orig_rax */
movq MCOUNT_REG_SIZE(%rsp), %rdi
@@ -244,20 +249,14 @@ SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL)
movq %rax, MCOUNT_REG_SIZE(%rsp)
restore_mcount_regs 8
+ /* Restore flags */
+ popfq
- jmp 2f
+SYM_INNER_LABEL(ftrace_regs_caller_ret, SYM_L_GLOBAL);
+ UNWIND_HINT_RET_OFFSET
+ jmp ftrace_epilogue
1: restore_mcount_regs
-
-
-2:
- /*
- * The stack layout is nondetermistic here, depending on which path was
- * taken. This confuses objtool and ORC, rightfully so. For now,
- * pretend the stack always looks like the non-direct case.
- */
- UNWIND_HINT_RESTORE
-
/* Restore flags */
popfq
@@ -268,7 +267,6 @@ SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL)
* to the return.
*/
SYM_INNER_LABEL(ftrace_regs_caller_end, SYM_L_GLOBAL)
-
jmp ftrace_epilogue
SYM_FUNC_END(ftrace_regs_caller)
@@ -303,7 +301,7 @@ trace:
* function tracing is enabled.
*/
movq ftrace_trace_function, %r8
- CALL_NOSPEC %r8
+ CALL_NOSPEC r8
restore_mcount_regs
jmp fgraph_trace
@@ -340,6 +338,6 @@ SYM_CODE_START(return_to_handler)
movq 8(%rsp), %rdx
movq (%rsp), %rax
addq $24, %rsp
- JMP_NOSPEC %rdi
+ JMP_NOSPEC rdi
SYM_CODE_END(return_to_handler)
#endif
diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c
index a53e7b4a7419..e2fab3ceb09f 100644
--- a/arch/x86/kernel/ioport.c
+++ b/arch/x86/kernel/ioport.c
@@ -33,15 +33,15 @@ void io_bitmap_share(struct task_struct *tsk)
set_tsk_thread_flag(tsk, TIF_IO_BITMAP);
}
-static void task_update_io_bitmap(void)
+static void task_update_io_bitmap(struct task_struct *tsk)
{
- struct thread_struct *t = &current->thread;
+ struct thread_struct *t = &tsk->thread;
if (t->iopl_emul == 3 || t->io_bitmap) {
/* TSS update is handled on exit to user space */
- set_thread_flag(TIF_IO_BITMAP);
+ set_tsk_thread_flag(tsk, TIF_IO_BITMAP);
} else {
- clear_thread_flag(TIF_IO_BITMAP);
+ clear_tsk_thread_flag(tsk, TIF_IO_BITMAP);
/* Invalidate TSS */
preempt_disable();
tss_update_io_bitmap();
@@ -49,12 +49,12 @@ static void task_update_io_bitmap(void)
}
}
-void io_bitmap_exit(void)
+void io_bitmap_exit(struct task_struct *tsk)
{
- struct io_bitmap *iobm = current->thread.io_bitmap;
+ struct io_bitmap *iobm = tsk->thread.io_bitmap;
- current->thread.io_bitmap = NULL;
- task_update_io_bitmap();
+ tsk->thread.io_bitmap = NULL;
+ task_update_io_bitmap(tsk);
if (iobm && refcount_dec_and_test(&iobm->refcnt))
kfree(iobm);
}
@@ -102,7 +102,7 @@ long ksys_ioperm(unsigned long from, unsigned long num, int turn_on)
if (!iobm)
return -ENOMEM;
refcount_set(&iobm->refcnt, 1);
- io_bitmap_exit();
+ io_bitmap_exit(current);
}
/*
@@ -134,7 +134,7 @@ long ksys_ioperm(unsigned long from, unsigned long num, int turn_on)
}
/* All permissions dropped? */
if (max_long == UINT_MAX) {
- io_bitmap_exit();
+ io_bitmap_exit(current);
return 0;
}
@@ -192,7 +192,7 @@ SYSCALL_DEFINE1(iopl, unsigned int, level)
}
t->iopl_emul = level;
- task_update_io_bitmap();
+ task_update_io_bitmap(current);
return 0;
}
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 12df3a4abfdd..6b32ab009c19 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -43,7 +43,7 @@ static int map_irq_stack(unsigned int cpu)
pages[i] = pfn_to_page(pa >> PAGE_SHIFT);
}
- va = vmap(pages, IRQ_STACK_SIZE / PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL);
+ va = vmap(pages, IRQ_STACK_SIZE / PAGE_SIZE, VM_MAP, PAGE_KERNEL);
if (!va)
return -ENOMEM;
diff --git a/arch/x86/kernel/itmt.c b/arch/x86/kernel/itmt.c
index 1cb3ca9bba49..1afbdd1dd777 100644
--- a/arch/x86/kernel/itmt.c
+++ b/arch/x86/kernel/itmt.c
@@ -39,8 +39,7 @@ static bool __read_mostly sched_itmt_capable;
unsigned int __read_mostly sysctl_sched_itmt_enabled;
static int sched_itmt_update_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
unsigned int old_sysctl;
int ret;
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
index 6efe0410fb72..d6f22a3a1f7d 100644
--- a/arch/x86/kernel/kvm.c
+++ b/arch/x86/kernel/kvm.c
@@ -35,6 +35,8 @@
#include <asm/tlb.h>
#include <asm/cpuidle_haltpoll.h>
+DEFINE_STATIC_KEY_FALSE(kvm_async_pf_enabled);
+
static int kvmapf = 1;
static int __init parse_no_kvmapf(char *arg)
@@ -73,7 +75,6 @@ struct kvm_task_sleep_node {
struct swait_queue_head wq;
u32 token;
int cpu;
- bool halted;
};
static struct kvm_task_sleep_head {
@@ -96,77 +97,64 @@ static struct kvm_task_sleep_node *_find_apf_task(struct kvm_task_sleep_head *b,
return NULL;
}
-/*
- * @interrupt_kernel: Is this called from a routine which interrupts the kernel
- * (other than user space)?
- */
-void kvm_async_pf_task_wait(u32 token, int interrupt_kernel)
+static bool kvm_async_pf_queue_task(u32 token, struct kvm_task_sleep_node *n)
{
u32 key = hash_32(token, KVM_TASK_SLEEP_HASHBITS);
struct kvm_task_sleep_head *b = &async_pf_sleepers[key];
- struct kvm_task_sleep_node n, *e;
- DECLARE_SWAITQUEUE(wait);
-
- rcu_irq_enter();
+ struct kvm_task_sleep_node *e;
raw_spin_lock(&b->lock);
e = _find_apf_task(b, token);
if (e) {
/* dummy entry exist -> wake up was delivered ahead of PF */
hlist_del(&e->link);
- kfree(e);
raw_spin_unlock(&b->lock);
-
- rcu_irq_exit();
- return;
+ kfree(e);
+ return false;
}
- n.token = token;
- n.cpu = smp_processor_id();
- n.halted = is_idle_task(current) ||
- (IS_ENABLED(CONFIG_PREEMPT_COUNT)
- ? preempt_count() > 1 || rcu_preempt_depth()
- : interrupt_kernel);
- init_swait_queue_head(&n.wq);
- hlist_add_head(&n.link, &b->list);
+ n->token = token;
+ n->cpu = smp_processor_id();
+ init_swait_queue_head(&n->wq);
+ hlist_add_head(&n->link, &b->list);
raw_spin_unlock(&b->lock);
+ return true;
+}
+
+/*
+ * kvm_async_pf_task_wait_schedule - Wait for pagefault to be handled
+ * @token: Token to identify the sleep node entry
+ *
+ * Invoked from the async pagefault handling code or from the VM exit page
+ * fault handler. In both cases RCU is watching.
+ */
+void kvm_async_pf_task_wait_schedule(u32 token)
+{
+ struct kvm_task_sleep_node n;
+ DECLARE_SWAITQUEUE(wait);
+
+ lockdep_assert_irqs_disabled();
+
+ if (!kvm_async_pf_queue_task(token, &n))
+ return;
for (;;) {
- if (!n.halted)
- prepare_to_swait_exclusive(&n.wq, &wait, TASK_UNINTERRUPTIBLE);
+ prepare_to_swait_exclusive(&n.wq, &wait, TASK_UNINTERRUPTIBLE);
if (hlist_unhashed(&n.link))
break;
- rcu_irq_exit();
-
- if (!n.halted) {
- local_irq_enable();
- schedule();
- local_irq_disable();
- } else {
- /*
- * We cannot reschedule. So halt.
- */
- native_safe_halt();
- local_irq_disable();
- }
-
- rcu_irq_enter();
+ local_irq_enable();
+ schedule();
+ local_irq_disable();
}
- if (!n.halted)
- finish_swait(&n.wq, &wait);
-
- rcu_irq_exit();
- return;
+ finish_swait(&n.wq, &wait);
}
-EXPORT_SYMBOL_GPL(kvm_async_pf_task_wait);
+EXPORT_SYMBOL_GPL(kvm_async_pf_task_wait_schedule);
static void apf_task_wake_one(struct kvm_task_sleep_node *n)
{
hlist_del_init(&n->link);
- if (n->halted)
- smp_send_reschedule(n->cpu);
- else if (swq_has_sleeper(&n->wq))
+ if (swq_has_sleeper(&n->wq))
swake_up_one(&n->wq);
}
@@ -175,12 +163,13 @@ static void apf_task_wake_all(void)
int i;
for (i = 0; i < KVM_TASK_SLEEP_HASHSIZE; i++) {
- struct hlist_node *p, *next;
struct kvm_task_sleep_head *b = &async_pf_sleepers[i];
+ struct kvm_task_sleep_node *n;
+ struct hlist_node *p, *next;
+
raw_spin_lock(&b->lock);
hlist_for_each_safe(p, next, &b->list) {
- struct kvm_task_sleep_node *n =
- hlist_entry(p, typeof(*n), link);
+ n = hlist_entry(p, typeof(*n), link);
if (n->cpu == smp_processor_id())
apf_task_wake_one(n);
}
@@ -221,46 +210,61 @@ again:
n->cpu = smp_processor_id();
init_swait_queue_head(&n->wq);
hlist_add_head(&n->link, &b->list);
- } else
+ } else {
apf_task_wake_one(n);
+ }
raw_spin_unlock(&b->lock);
return;
}
EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake);
-u32 kvm_read_and_reset_pf_reason(void)
+u32 kvm_read_and_reset_apf_flags(void)
{
- u32 reason = 0;
+ u32 flags = 0;
if (__this_cpu_read(apf_reason.enabled)) {
- reason = __this_cpu_read(apf_reason.reason);
- __this_cpu_write(apf_reason.reason, 0);
+ flags = __this_cpu_read(apf_reason.flags);
+ __this_cpu_write(apf_reason.flags, 0);
}
- return reason;
+ return flags;
}
-EXPORT_SYMBOL_GPL(kvm_read_and_reset_pf_reason);
-NOKPROBE_SYMBOL(kvm_read_and_reset_pf_reason);
+EXPORT_SYMBOL_GPL(kvm_read_and_reset_apf_flags);
+NOKPROBE_SYMBOL(kvm_read_and_reset_apf_flags);
-dotraplinkage void
-do_async_page_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address)
+bool __kvm_handle_async_pf(struct pt_regs *regs, u32 token)
{
- switch (kvm_read_and_reset_pf_reason()) {
- default:
- do_page_fault(regs, error_code, address);
- break;
+ u32 reason = kvm_read_and_reset_apf_flags();
+
+ switch (reason) {
case KVM_PV_REASON_PAGE_NOT_PRESENT:
- /* page is swapped out by the host. */
- kvm_async_pf_task_wait((u32)address, !user_mode(regs));
- break;
case KVM_PV_REASON_PAGE_READY:
+ break;
+ default:
+ return false;
+ }
+
+ /*
+ * If the host managed to inject an async #PF into an interrupt
+ * disabled region, then die hard as this is not going to end well
+ * and the host side is seriously broken.
+ */
+ if (unlikely(!(regs->flags & X86_EFLAGS_IF)))
+ panic("Host injected async #PF in interrupt disabled region\n");
+
+ if (reason == KVM_PV_REASON_PAGE_NOT_PRESENT) {
+ if (unlikely(!(user_mode(regs))))
+ panic("Host injected async #PF in kernel mode\n");
+ /* Page is swapped out by the host. */
+ kvm_async_pf_task_wait_schedule(token);
+ } else {
rcu_irq_enter();
- kvm_async_pf_task_wake((u32)address);
+ kvm_async_pf_task_wake(token);
rcu_irq_exit();
- break;
}
+ return true;
}
-NOKPROBE_SYMBOL(do_async_page_fault);
+NOKPROBE_SYMBOL(__kvm_handle_async_pf);
static void __init paravirt_ops_setup(void)
{
@@ -306,11 +310,11 @@ static notrace void kvm_guest_apic_eoi_write(u32 reg, u32 val)
static void kvm_guest_cpu_init(void)
{
if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF) && kvmapf) {
- u64 pa = slow_virt_to_phys(this_cpu_ptr(&apf_reason));
+ u64 pa;
-#ifdef CONFIG_PREEMPTION
- pa |= KVM_ASYNC_PF_SEND_ALWAYS;
-#endif
+ WARN_ON_ONCE(!static_branch_likely(&kvm_async_pf_enabled));
+
+ pa = slow_virt_to_phys(this_cpu_ptr(&apf_reason));
pa |= KVM_ASYNC_PF_ENABLED;
if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF_VMEXIT))
@@ -318,12 +322,12 @@ static void kvm_guest_cpu_init(void)
wrmsrl(MSR_KVM_ASYNC_PF_EN, pa);
__this_cpu_write(apf_reason.enabled, 1);
- printk(KERN_INFO"KVM setup async PF for cpu %d\n",
- smp_processor_id());
+ pr_info("KVM setup async PF for cpu %d\n", smp_processor_id());
}
if (kvm_para_has_feature(KVM_FEATURE_PV_EOI)) {
unsigned long pa;
+
/* Size alignment is implied but just to make it explicit. */
BUILD_BUG_ON(__alignof__(kvm_apic_eoi) < 4);
__this_cpu_write(kvm_apic_eoi, 0);
@@ -344,8 +348,7 @@ static void kvm_pv_disable_apf(void)
wrmsrl(MSR_KVM_ASYNC_PF_EN, 0);
__this_cpu_write(apf_reason.enabled, 0);
- printk(KERN_INFO"Unregister pv shared memory for cpu %d\n",
- smp_processor_id());
+ pr_info("Unregister pv shared memory for cpu %d\n", smp_processor_id());
}
static void kvm_pv_guest_cpu_reboot(void *unused)
@@ -592,12 +595,6 @@ static int kvm_cpu_down_prepare(unsigned int cpu)
}
#endif
-static void __init kvm_apf_trap_init(void)
-{
- update_intr_gate(X86_TRAP_PF, async_page_fault);
-}
-
-
static void kvm_flush_tlb_others(const struct cpumask *cpumask,
const struct flush_tlb_info *info)
{
@@ -632,8 +629,6 @@ static void __init kvm_guest_init(void)
register_reboot_notifier(&kvm_pv_reboot_nb);
for (i = 0; i < KVM_TASK_SLEEP_HASHSIZE; i++)
raw_spin_lock_init(&async_pf_sleepers[i].lock);
- if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF))
- x86_init.irqs.trap_init = kvm_apf_trap_init;
if (kvm_para_has_feature(KVM_FEATURE_STEAL_TIME)) {
has_steal_clock = 1;
@@ -649,6 +644,9 @@ static void __init kvm_guest_init(void)
if (kvm_para_has_feature(KVM_FEATURE_PV_EOI))
apic_set_eoi_write(kvm_guest_apic_eoi_write);
+ if (kvm_para_has_feature(KVM_FEATURE_ASYNC_PF) && kvmapf)
+ static_branch_enable(&kvm_async_pf_enabled);
+
#ifdef CONFIG_SMP
smp_ops.smp_prepare_cpus = kvm_smp_prepare_cpus;
smp_ops.smp_prepare_boot_cpu = kvm_smp_prepare_boot_cpu;
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index 6407ea21fa1b..bdcc5146de96 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -25,10 +25,6 @@
#include <linux/atomic.h>
#include <linux/sched/clock.h>
-#if defined(CONFIG_EDAC)
-#include <linux/edac.h>
-#endif
-
#include <asm/cpu_entry_area.h>
#include <asm/traps.h>
#include <asm/mach_traps.h>
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 9da70b279dad..ce6cd220f722 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -96,7 +96,7 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
}
/*
- * Free current thread data structures etc..
+ * Free thread data structures etc..
*/
void exit_thread(struct task_struct *tsk)
{
@@ -104,7 +104,7 @@ void exit_thread(struct task_struct *tsk)
struct fpu *fpu = &t->fpu;
if (test_thread_flag(TIF_IO_BITMAP))
- io_bitmap_exit();
+ io_bitmap_exit(tsk);
free_vm86(t);
@@ -191,7 +191,7 @@ void flush_thread(void)
flush_ptrace_hw_breakpoint(tsk);
memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array));
- fpu__clear(&tsk->thread.fpu);
+ fpu__clear_all(&tsk->thread.fpu);
}
void disable_TSC(void)
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 954b013cc585..538d4e8d6589 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -52,7 +52,7 @@
#include <asm/debugreg.h>
#include <asm/switch_to.h>
#include <asm/vm86.h>
-#include <asm/resctrl_sched.h>
+#include <asm/resctrl.h>
#include <asm/proto.h>
#include "process.h"
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 5ef9d8f25b0e..0c169a5687e1 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -52,7 +52,7 @@
#include <asm/switch_to.h>
#include <asm/xen/hypervisor.h>
#include <asm/vdso.h>
-#include <asm/resctrl_sched.h>
+#include <asm/resctrl.h>
#include <asm/unistd.h>
#include <asm/fsgsbase.h>
#ifdef CONFIG_IA32_EMULATION
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 4b3fa6cd3106..a3767e74c758 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -237,6 +237,9 @@ static u64 __init get_ramdisk_image(void)
ramdisk_image |= (u64)boot_params.ext_ramdisk_image << 32;
+ if (ramdisk_image == 0)
+ ramdisk_image = phys_initrd_start;
+
return ramdisk_image;
}
static u64 __init get_ramdisk_size(void)
@@ -245,6 +248,9 @@ static u64 __init get_ramdisk_size(void)
ramdisk_size |= (u64)boot_params.ext_ramdisk_size << 32;
+ if (ramdisk_size == 0)
+ ramdisk_size = phys_initrd_size;
+
return ramdisk_size;
}
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index e6d7894ad127..fd945ce78554 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -287,9 +287,9 @@ void __init setup_per_cpu_areas(void)
/*
* Sync back kernel address range again. We already did this in
* setup_arch(), but percpu data also needs to be available in
- * the smpboot asm. We can't reliably pick up percpu mappings
- * using vmalloc_fault(), because exception dispatch needs
- * percpu data.
+ * the smpboot asm and arch_sync_kernel_mappings() doesn't sync to
+ * swapper_pg_dir on 32-bit. The per-cpu mappings need to be available
+ * there too.
*
* FIXME: Can the later sync in setup_cpu_entry_areas() replace
* this call?
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 83b74fb38c8f..399f97abee02 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -37,6 +37,7 @@
#include <asm/vm86.h>
#ifdef CONFIG_X86_64
+#include <linux/compat.h>
#include <asm/proto.h>
#include <asm/ia32_unistd.h>
#endif /* CONFIG_X86_64 */
@@ -511,6 +512,31 @@ Efault:
}
#endif /* CONFIG_X86_32 */
+#ifdef CONFIG_X86_X32_ABI
+static int x32_copy_siginfo_to_user(struct compat_siginfo __user *to,
+ const struct kernel_siginfo *from)
+{
+ struct compat_siginfo new;
+
+ copy_siginfo_to_external32(&new, from);
+ if (from->si_signo == SIGCHLD) {
+ new._sifields._sigchld_x32._utime = from->si_utime;
+ new._sifields._sigchld_x32._stime = from->si_stime;
+ }
+ if (copy_to_user(to, &new, sizeof(struct compat_siginfo)))
+ return -EFAULT;
+ return 0;
+}
+
+int copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const struct kernel_siginfo *from)
+{
+ if (in_x32_syscall())
+ return x32_copy_siginfo_to_user(to, from);
+ return __copy_siginfo_to_user32(to, from);
+}
+#endif /* CONFIG_X86_X32_ABI */
+
static int x32_setup_rt_frame(struct ksignal *ksig,
compat_sigset_t *set,
struct pt_regs *regs)
@@ -543,7 +569,7 @@ static int x32_setup_rt_frame(struct ksignal *ksig,
user_access_end();
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
- if (__copy_siginfo_to_user32(&frame->info, &ksig->info, true))
+ if (x32_copy_siginfo_to_user(&frame->info, &ksig->info))
return -EFAULT;
}
@@ -732,7 +758,7 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs)
/*
* Ensure the signal handler starts with the new fpu state.
*/
- fpu__clear(fpu);
+ fpu__clear_user_states(fpu);
}
signal_setup_done(failed, ksig, stepping);
}
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index fe3ab9632f3b..2467f3dd35d3 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -147,7 +147,7 @@ static inline void smpboot_restore_warm_reset_vector(void)
*((volatile u32 *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0;
}
-static void init_freq_invariance(void);
+static void init_freq_invariance(bool secondary);
/*
* Report back to the Boot Processor during boot time or to the caller processor
@@ -185,7 +185,7 @@ static void smp_callin(void)
*/
set_cpu_sibling_map(raw_smp_processor_id());
- init_freq_invariance();
+ init_freq_invariance(true);
/*
* Get our bogomips.
@@ -266,6 +266,14 @@ static void notrace start_secondary(void *unused)
wmb();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+
+ /*
+ * Prevent tail call to cpu_startup_entry() because the stack protector
+ * guard has been changed a couple of function calls up, in
+ * boot_init_stack_canary() and must not be checked before tail calling
+ * another function.
+ */
+ prevent_tail_call_optimization();
}
/**
@@ -1341,7 +1349,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
set_sched_topology(x86_topology);
set_cpu_sibling_map(0);
- init_freq_invariance();
+ init_freq_invariance(false);
smp_sanity_check();
switch (apic_intr_mode) {
@@ -1376,12 +1384,12 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
speculative_store_bypass_ht_init();
}
-void arch_enable_nonboot_cpus_begin(void)
+void arch_thaw_secondary_cpus_begin(void)
{
set_mtrr_aps_delayed_init();
}
-void arch_enable_nonboot_cpus_end(void)
+void arch_thaw_secondary_cpus_end(void)
{
mtrr_aps_init();
}
@@ -1849,24 +1857,25 @@ static bool slv_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq)
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
-#define ICPU(model) \
- {X86_VENDOR_INTEL, 6, model, X86_FEATURE_APERFMPERF, 0}
+#define X86_MATCH(model) \
+ X86_MATCH_VENDOR_FAM_MODEL_FEATURE(INTEL, 6, \
+ INTEL_FAM6_##model, X86_FEATURE_APERFMPERF, NULL)
static const struct x86_cpu_id has_knl_turbo_ratio_limits[] = {
- ICPU(INTEL_FAM6_XEON_PHI_KNL),
- ICPU(INTEL_FAM6_XEON_PHI_KNM),
+ X86_MATCH(XEON_PHI_KNL),
+ X86_MATCH(XEON_PHI_KNM),
{}
};
static const struct x86_cpu_id has_skx_turbo_ratio_limits[] = {
- ICPU(INTEL_FAM6_SKYLAKE_X),
+ X86_MATCH(SKYLAKE_X),
{}
};
static const struct x86_cpu_id has_glm_turbo_ratio_limits[] = {
- ICPU(INTEL_FAM6_ATOM_GOLDMONT),
- ICPU(INTEL_FAM6_ATOM_GOLDMONT_D),
- ICPU(INTEL_FAM6_ATOM_GOLDMONT_PLUS),
+ X86_MATCH(ATOM_GOLDMONT),
+ X86_MATCH(ATOM_GOLDMONT_D),
+ X86_MATCH(ATOM_GOLDMONT_PLUS),
{}
};
@@ -1877,9 +1886,6 @@ static bool knl_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq,
int err, i;
u64 msr;
- if (!x86_match_cpu(has_knl_turbo_ratio_limits))
- return false;
-
err = rdmsrl_safe(MSR_PLATFORM_INFO, base_freq);
if (err)
return false;
@@ -1945,18 +1951,23 @@ static bool skx_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq, int size)
static bool core_set_max_freq_ratio(u64 *base_freq, u64 *turbo_freq)
{
+ u64 msr;
int err;
err = rdmsrl_safe(MSR_PLATFORM_INFO, base_freq);
if (err)
return false;
- err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT, turbo_freq);
+ err = rdmsrl_safe(MSR_TURBO_RATIO_LIMIT, &msr);
if (err)
return false;
- *base_freq = (*base_freq >> 8) & 0xFF; /* max P state */
- *turbo_freq = (*turbo_freq >> 24) & 0xFF; /* 4C turbo */
+ *base_freq = (*base_freq >> 8) & 0xFF; /* max P state */
+ *turbo_freq = (msr >> 24) & 0xFF; /* 4C turbo */
+
+ /* The CPU may have less than 4 cores */
+ if (!*turbo_freq)
+ *turbo_freq = msr & 0xFF; /* 1C turbo */
return true;
}
@@ -1972,7 +1983,8 @@ static bool intel_set_max_freq_ratio(void)
skx_set_max_freq_ratio(&base_freq, &turbo_freq, 1))
goto out;
- if (knl_set_max_freq_ratio(&base_freq, &turbo_freq, 1))
+ if (x86_match_cpu(has_knl_turbo_ratio_limits) &&
+ knl_set_max_freq_ratio(&base_freq, &turbo_freq, 1))
goto out;
if (x86_match_cpu(has_skx_turbo_ratio_limits) &&
@@ -1985,13 +1997,22 @@ static bool intel_set_max_freq_ratio(void)
return false;
out:
+ /*
+ * Some hypervisors advertise X86_FEATURE_APERFMPERF
+ * but then fill all MSR's with zeroes.
+ */
+ if (!base_freq) {
+ pr_debug("Couldn't determine cpu base frequency, necessary for scale-invariant accounting.\n");
+ return false;
+ }
+
arch_turbo_freq_ratio = div_u64(turbo_freq * SCHED_CAPACITY_SCALE,
base_freq);
arch_set_max_freq_ratio(turbo_disabled());
return true;
}
-static void init_counter_refs(void *arg)
+static void init_counter_refs(void)
{
u64 aperf, mperf;
@@ -2002,18 +2023,25 @@ static void init_counter_refs(void *arg)
this_cpu_write(arch_prev_mperf, mperf);
}
-static void init_freq_invariance(void)
+static void init_freq_invariance(bool secondary)
{
bool ret = false;
- if (smp_processor_id() != 0 || !boot_cpu_has(X86_FEATURE_APERFMPERF))
+ if (!boot_cpu_has(X86_FEATURE_APERFMPERF))
return;
+ if (secondary) {
+ if (static_branch_likely(&arch_scale_freq_key)) {
+ init_counter_refs();
+ }
+ return;
+ }
+
if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
ret = intel_set_max_freq_ratio();
if (ret) {
- on_each_cpu(init_counter_refs, NULL, 1);
+ init_counter_refs();
static_branch_enable(&arch_scale_freq_key);
} else {
pr_debug("Couldn't determine max cpu frequency, necessary for scale-invariant accounting.\n");
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index b89f6ac6a0c0..b2942b2dbfcf 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -35,8 +35,7 @@
#include "../realmode/rm/wakeup.h"
/* Global pointer to shared data; NULL means no measured launch. */
-struct tboot *tboot __read_mostly;
-EXPORT_SYMBOL(tboot);
+static struct tboot *tboot __read_mostly;
/* timeout for APs (in secs) to enter wait-for-SIPI state during shutdown */
#define AP_WAIT_TIMEOUT 1
@@ -46,6 +45,11 @@ EXPORT_SYMBOL(tboot);
static u8 tboot_uuid[16] __initdata = TBOOT_UUID;
+bool tboot_enabled(void)
+{
+ return tboot != NULL;
+}
+
void __init tboot_probe(void)
{
/* Look for valid page-aligned address for shared page. */
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index 106e7f87f534..371a6b348e44 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -103,6 +103,9 @@ static __init void x86_late_time_init(void)
*/
x86_init.irqs.intr_mode_init();
tsc_init();
+
+ if (static_cpu_has(X86_FEATURE_WAITPKG))
+ use_tpause_delay();
}
/*
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index d54cffdc7cac..4cc541051994 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -37,10 +37,12 @@
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/io.h>
+#include <linux/hardirq.h>
+#include <linux/atomic.h>
+
#include <asm/stacktrace.h>
#include <asm/processor.h>
#include <asm/debugreg.h>
-#include <linux/atomic.h>
#include <asm/text-patching.h>
#include <asm/ftrace.h>
#include <asm/traps.h>
@@ -82,78 +84,6 @@ static inline void cond_local_irq_disable(struct pt_regs *regs)
local_irq_disable();
}
-/*
- * In IST context, we explicitly disable preemption. This serves two
- * purposes: it makes it much less likely that we would accidentally
- * schedule in IST context and it will force a warning if we somehow
- * manage to schedule by accident.
- */
-void ist_enter(struct pt_regs *regs)
-{
- if (user_mode(regs)) {
- RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
- } else {
- /*
- * We might have interrupted pretty much anything. In
- * fact, if we're a machine check, we can even interrupt
- * NMI processing. We don't want in_nmi() to return true,
- * but we need to notify RCU.
- */
- rcu_nmi_enter();
- }
-
- preempt_disable();
-
- /* This code is a bit fragile. Test it. */
- RCU_LOCKDEP_WARN(!rcu_is_watching(), "ist_enter didn't work");
-}
-NOKPROBE_SYMBOL(ist_enter);
-
-void ist_exit(struct pt_regs *regs)
-{
- preempt_enable_no_resched();
-
- if (!user_mode(regs))
- rcu_nmi_exit();
-}
-
-/**
- * ist_begin_non_atomic() - begin a non-atomic section in an IST exception
- * @regs: regs passed to the IST exception handler
- *
- * IST exception handlers normally cannot schedule. As a special
- * exception, if the exception interrupted userspace code (i.e.
- * user_mode(regs) would return true) and the exception was not
- * a double fault, it can be safe to schedule. ist_begin_non_atomic()
- * begins a non-atomic section within an ist_enter()/ist_exit() region.
- * Callers are responsible for enabling interrupts themselves inside
- * the non-atomic section, and callers must call ist_end_non_atomic()
- * before ist_exit().
- */
-void ist_begin_non_atomic(struct pt_regs *regs)
-{
- BUG_ON(!user_mode(regs));
-
- /*
- * Sanity check: we need to be on the normal thread stack. This
- * will catch asm bugs and any attempt to use ist_preempt_enable
- * from double_fault.
- */
- BUG_ON(!on_thread_stack());
-
- preempt_enable_no_resched();
-}
-
-/**
- * ist_end_non_atomic() - begin a non-atomic section in an IST exception
- *
- * Ends a non-atomic section started with ist_begin_non_atomic().
- */
-void ist_end_non_atomic(void)
-{
- preempt_disable();
-}
-
int is_valid_bugaddr(unsigned long addr)
{
unsigned short ud;
@@ -326,7 +256,6 @@ __visible void __noreturn handle_stack_overflow(const char *message,
}
#endif
-#if defined(CONFIG_X86_64) || defined(CONFIG_DOUBLEFAULT)
/*
* Runs on an IST stack for x86_64 and on a special task stack for x86_32.
*
@@ -363,7 +292,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsign
* The net result is that our #GP handler will think that we
* entered from usermode with the bad user context.
*
- * No need for ist_enter here because we don't use RCU.
+ * No need for nmi_enter() here because we don't use RCU.
*/
if (((long)regs->sp >> P4D_SHIFT) == ESPFIX_PGD_ENTRY &&
regs->cs == __KERNEL_CS &&
@@ -398,7 +327,7 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsign
}
#endif
- ist_enter(regs);
+ nmi_enter();
notify_die(DIE_TRAP, str, regs, error_code, X86_TRAP_DF, SIGSEGV);
tsk->thread.error_code = error_code;
@@ -450,7 +379,6 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsign
die("double fault", regs, error_code);
panic("Machine halted.");
}
-#endif
dotraplinkage void do_bounds(struct pt_regs *regs, long error_code)
{
@@ -592,19 +520,13 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
return;
/*
- * Unlike any other non-IST entry, we can be called from a kprobe in
- * non-CONTEXT_KERNEL kernel mode or even during context tracking
- * state changes. Make sure that we wake up RCU even if we're coming
- * from kernel code.
- *
- * This means that we can't schedule even if we came from a
- * preemptible kernel context. That's okay.
+ * Unlike any other non-IST entry, we can be called from pretty much
+ * any location in the kernel through kprobes -- text_poke() will most
+ * likely be handled by poke_int3_handler() above. This means this
+ * handler is effectively NMI-like.
*/
- if (!user_mode(regs)) {
- rcu_nmi_enter();
- preempt_disable();
- }
- RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
+ if (!user_mode(regs))
+ nmi_enter();
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
if (kgdb_ll_trap(DIE_INT3, "int3", regs, error_code, X86_TRAP_BP,
@@ -626,10 +548,8 @@ dotraplinkage void notrace do_int3(struct pt_regs *regs, long error_code)
cond_local_irq_disable(regs);
exit:
- if (!user_mode(regs)) {
- preempt_enable_no_resched();
- rcu_nmi_exit();
- }
+ if (!user_mode(regs))
+ nmi_exit();
}
NOKPROBE_SYMBOL(do_int3);
@@ -733,7 +653,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code)
unsigned long dr6;
int si_code;
- ist_enter(regs);
+ nmi_enter();
get_debugreg(dr6, 6);
/*
@@ -826,7 +746,7 @@ dotraplinkage void do_debug(struct pt_regs *regs, long error_code)
debug_stack_usage_dec();
exit:
- ist_exit(regs);
+ nmi_exit();
}
NOKPROBE_SYMBOL(do_debug);
@@ -983,7 +903,5 @@ void __init trap_init(void)
idt_setup_ist_traps();
- x86_init.irqs.trap_init();
-
idt_setup_debugidt_traps();
}
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index fdd4c1078632..49d925043171 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -41,6 +41,7 @@ EXPORT_SYMBOL(tsc_khz);
* TSC can be unstable due to cpufreq or due to unsynced TSCs
*/
static int __read_mostly tsc_unstable;
+static unsigned int __initdata tsc_early_khz;
static DEFINE_STATIC_KEY_FALSE(__use_tsc);
@@ -59,6 +60,12 @@ struct cyc2ns {
static DEFINE_PER_CPU_ALIGNED(struct cyc2ns, cyc2ns);
+static int __init tsc_early_khz_setup(char *buf)
+{
+ return kstrtouint(buf, 0, &tsc_early_khz);
+}
+early_param("tsc_early_khz", tsc_early_khz_setup);
+
__always_inline void cyc2ns_read_begin(struct cyc2ns_data *data)
{
int seq, idx;
@@ -1412,7 +1419,10 @@ static bool __init determine_cpu_tsc_frequencies(bool early)
if (early) {
cpu_khz = x86_platform.calibrate_cpu();
- tsc_khz = x86_platform.calibrate_tsc();
+ if (tsc_early_khz)
+ tsc_khz = tsc_early_khz;
+ else
+ tsc_khz = x86_platform.calibrate_tsc();
} else {
/* We should not be here with non-native cpu calibration */
WARN_ON(x86_platform.calibrate_cpu != native_calibrate_cpu);
diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c
index a224b5ab103f..54226110bc7f 100644
--- a/arch/x86/kernel/unwind_frame.c
+++ b/arch/x86/kernel/unwind_frame.c
@@ -344,6 +344,9 @@ bad_address:
if (IS_ENABLED(CONFIG_X86_32))
goto the_end;
+ if (state->task != current)
+ goto the_end;
+
if (state->regs) {
printk_deferred_once(KERN_WARNING
"WARNING: kernel stack regs at %p in %s:%d has bad 'bp' value %p\n",
diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index e9cc182aa97e..7f969b2d240f 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -8,19 +8,21 @@
#include <asm/orc_lookup.h>
#define orc_warn(fmt, ...) \
- printk_deferred_once(KERN_WARNING pr_fmt("WARNING: " fmt), ##__VA_ARGS__)
+ printk_deferred_once(KERN_WARNING "WARNING: " fmt, ##__VA_ARGS__)
+
+#define orc_warn_current(args...) \
+({ \
+ if (state->task == current) \
+ orc_warn(args); \
+})
extern int __start_orc_unwind_ip[];
extern int __stop_orc_unwind_ip[];
extern struct orc_entry __start_orc_unwind[];
extern struct orc_entry __stop_orc_unwind[];
-static DEFINE_MUTEX(sort_mutex);
-int *cur_orc_ip_table = __start_orc_unwind_ip;
-struct orc_entry *cur_orc_table = __start_orc_unwind;
-
-unsigned int lookup_num_blocks;
-bool orc_init;
+static bool orc_init __ro_after_init;
+static unsigned int lookup_num_blocks __ro_after_init;
static inline unsigned long orc_ip(const int *ip)
{
@@ -142,9 +144,6 @@ static struct orc_entry *orc_find(unsigned long ip)
{
static struct orc_entry *orc;
- if (!orc_init)
- return NULL;
-
if (ip == 0)
return &null_orc_entry;
@@ -189,6 +188,10 @@ static struct orc_entry *orc_find(unsigned long ip)
#ifdef CONFIG_MODULES
+static DEFINE_MUTEX(sort_mutex);
+static int *cur_orc_ip_table = __start_orc_unwind_ip;
+static struct orc_entry *cur_orc_table = __start_orc_unwind;
+
static void orc_sort_swap(void *_a, void *_b, int size)
{
struct orc_entry *orc_a, *orc_b;
@@ -317,12 +320,19 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
{
+ struct task_struct *task = state->task;
+
if (unwind_done(state))
return NULL;
if (state->regs)
return &state->regs->ip;
+ if (task != current && state->sp == task->thread.sp) {
+ struct inactive_task_frame *frame = (void *)task->thread.sp;
+ return &frame->ret_addr;
+ }
+
if (state->sp)
return (unsigned long *)state->sp - 1;
@@ -381,9 +391,38 @@ static bool deref_stack_iret_regs(struct unwind_state *state, unsigned long addr
return true;
}
+/*
+ * If state->regs is non-NULL, and points to a full pt_regs, just get the reg
+ * value from state->regs.
+ *
+ * Otherwise, if state->regs just points to IRET regs, and the previous frame
+ * had full regs, it's safe to get the value from the previous regs. This can
+ * happen when early/late IRQ entry code gets interrupted by an NMI.
+ */
+static bool get_reg(struct unwind_state *state, unsigned int reg_off,
+ unsigned long *val)
+{
+ unsigned int reg = reg_off/8;
+
+ if (!state->regs)
+ return false;
+
+ if (state->full_regs) {
+ *val = ((unsigned long *)state->regs)[reg];
+ return true;
+ }
+
+ if (state->prev_regs) {
+ *val = ((unsigned long *)state->prev_regs)[reg];
+ return true;
+ }
+
+ return false;
+}
+
bool unwind_next_frame(struct unwind_state *state)
{
- unsigned long ip_p, sp, orig_ip = state->ip, prev_sp = state->sp;
+ unsigned long ip_p, sp, tmp, orig_ip = state->ip, prev_sp = state->sp;
enum stack_type prev_type = state->stack_info.type;
struct orc_entry *orc;
bool indirect = false;
@@ -445,43 +484,39 @@ bool unwind_next_frame(struct unwind_state *state)
break;
case ORC_REG_R10:
- if (!state->regs || !state->full_regs) {
- orc_warn("missing regs for base reg R10 at ip %pB\n",
- (void *)state->ip);
+ if (!get_reg(state, offsetof(struct pt_regs, r10), &sp)) {
+ orc_warn_current("missing R10 value at %pB\n",
+ (void *)state->ip);
goto err;
}
- sp = state->regs->r10;
break;
case ORC_REG_R13:
- if (!state->regs || !state->full_regs) {
- orc_warn("missing regs for base reg R13 at ip %pB\n",
- (void *)state->ip);
+ if (!get_reg(state, offsetof(struct pt_regs, r13), &sp)) {
+ orc_warn_current("missing R13 value at %pB\n",
+ (void *)state->ip);
goto err;
}
- sp = state->regs->r13;
break;
case ORC_REG_DI:
- if (!state->regs || !state->full_regs) {
- orc_warn("missing regs for base reg DI at ip %pB\n",
- (void *)state->ip);
+ if (!get_reg(state, offsetof(struct pt_regs, di), &sp)) {
+ orc_warn_current("missing RDI value at %pB\n",
+ (void *)state->ip);
goto err;
}
- sp = state->regs->di;
break;
case ORC_REG_DX:
- if (!state->regs || !state->full_regs) {
- orc_warn("missing regs for base reg DX at ip %pB\n",
- (void *)state->ip);
+ if (!get_reg(state, offsetof(struct pt_regs, dx), &sp)) {
+ orc_warn_current("missing DX value at %pB\n",
+ (void *)state->ip);
goto err;
}
- sp = state->regs->dx;
break;
default:
- orc_warn("unknown SP base reg %d for ip %pB\n",
+ orc_warn("unknown SP base reg %d at %pB\n",
orc->sp_reg, (void *)state->ip);
goto err;
}
@@ -504,44 +539,48 @@ bool unwind_next_frame(struct unwind_state *state)
state->sp = sp;
state->regs = NULL;
+ state->prev_regs = NULL;
state->signal = false;
break;
case ORC_TYPE_REGS:
if (!deref_stack_regs(state, sp, &state->ip, &state->sp)) {
- orc_warn("can't dereference registers at %p for ip %pB\n",
- (void *)sp, (void *)orig_ip);
+ orc_warn_current("can't access registers at %pB\n",
+ (void *)orig_ip);
goto err;
}
state->regs = (struct pt_regs *)sp;
+ state->prev_regs = NULL;
state->full_regs = true;
state->signal = true;
break;
case ORC_TYPE_REGS_IRET:
if (!deref_stack_iret_regs(state, sp, &state->ip, &state->sp)) {
- orc_warn("can't dereference iret registers at %p for ip %pB\n",
- (void *)sp, (void *)orig_ip);
+ orc_warn_current("can't access iret registers at %pB\n",
+ (void *)orig_ip);
goto err;
}
+ if (state->full_regs)
+ state->prev_regs = state->regs;
state->regs = (void *)sp - IRET_FRAME_OFFSET;
state->full_regs = false;
state->signal = true;
break;
default:
- orc_warn("unknown .orc_unwind entry type %d for ip %pB\n",
+ orc_warn("unknown .orc_unwind entry type %d at %pB\n",
orc->type, (void *)orig_ip);
- break;
+ goto err;
}
/* Find BP: */
switch (orc->bp_reg) {
case ORC_REG_UNDEFINED:
- if (state->regs && state->full_regs)
- state->bp = state->regs->bp;
+ if (get_reg(state, offsetof(struct pt_regs, bp), &tmp))
+ state->bp = tmp;
break;
case ORC_REG_PREV_SP:
@@ -564,8 +603,8 @@ bool unwind_next_frame(struct unwind_state *state)
if (state->stack_info.type == prev_type &&
on_stack(&state->stack_info, (void *)state->sp, sizeof(long)) &&
state->sp <= prev_sp) {
- orc_warn("stack going in the wrong direction? ip=%pB\n",
- (void *)orig_ip);
+ orc_warn_current("stack going in the wrong direction? at %pB\n",
+ (void *)orig_ip);
goto err;
}
@@ -588,17 +627,20 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
memset(state, 0, sizeof(*state));
state->task = task;
+ if (!orc_init)
+ goto err;
+
/*
* Refuse to unwind the stack of a task while it's executing on another
* CPU. This check is racy, but that's ok: the unwinder has other
* checks to prevent it from going off the rails.
*/
if (task_on_another_cpu(task))
- goto done;
+ goto err;
if (regs) {
if (user_mode(regs))
- goto done;
+ goto the_end;
state->ip = regs->ip;
state->sp = regs->sp;
@@ -631,6 +673,7 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
* generate some kind of backtrace if this happens.
*/
void *next_page = (void *)PAGE_ALIGN((unsigned long)state->sp);
+ state->error = true;
if (get_stack_info(next_page, state->task, &state->stack_info,
&state->stack_mask))
return;
@@ -651,13 +694,14 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
/* Otherwise, skip ahead to the user-specified starting frame: */
while (!unwind_done(state) &&
(!on_stack(&state->stack_info, first_frame, sizeof(long)) ||
- state->sp <= (unsigned long)first_frame))
+ state->sp < (unsigned long)first_frame))
unwind_next_frame(state);
return;
-done:
+err:
+ state->error = true;
+the_end:
state->stack_info.type = STACK_TYPE_UNKNOWN;
- return;
}
EXPORT_SYMBOL_GPL(__unwind_start);
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 85f1a90c55cd..123f1c1f1788 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -79,7 +79,6 @@ struct x86_init_ops x86_init __initdata = {
.irqs = {
.pre_vector_init = init_ISA_irqs,
.intr_init = native_init_IRQ,
- .trap_init = x86_init_noop,
.intr_mode_select = apic_intr_mode_select,
.intr_mode_init = apic_intr_mode_init
},
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index a789759b7261..4a3081e9f4b5 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -3,6 +3,10 @@
ccflags-y += -Iarch/x86/kvm
ccflags-$(CONFIG_KVM_WERROR) += -Werror
+ifeq ($(CONFIG_FRAME_POINTER),y)
+OBJECT_FILES_NON_STANDARD_vmenter.o := y
+endif
+
KVM := ../../../virt/kvm
kvm-y += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o \
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 901cd1fdecd9..253b8e875ccd 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -86,12 +86,10 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
best = kvm_find_cpuid_entry(vcpu, 0xD, 0);
if (!best) {
vcpu->arch.guest_supported_xcr0 = 0;
- vcpu->arch.guest_xstate_size = XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET;
} else {
vcpu->arch.guest_supported_xcr0 =
(best->eax | ((u64)best->edx << 32)) & supported_xcr0;
- vcpu->arch.guest_xstate_size = best->ebx =
- xstate_required_size(vcpu->arch.xcr0, false);
+ best->ebx = xstate_required_size(vcpu->arch.xcr0, false);
}
best = kvm_find_cpuid_entry(vcpu, 0xD, 1);
@@ -124,8 +122,9 @@ int kvm_update_cpuid(struct kvm_vcpu *vcpu)
MSR_IA32_MISC_ENABLE_MWAIT);
}
- /* Update physical-address width */
+ /* Note, maxphyaddr must be updated before tdp_level. */
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
+ vcpu->arch.tdp_level = kvm_x86_ops.get_tdp_level(vcpu);
kvm_mmu_reset_context(vcpu);
kvm_pmu_refresh(vcpu);
@@ -297,7 +296,7 @@ void kvm_set_cpu_caps(void)
F(XMM3) | F(PCLMULQDQ) | 0 /* DTES64, MONITOR */ |
0 /* DS-CPL, VMX, SMX, EST */ |
0 /* TM2 */ | F(SSSE3) | 0 /* CNXT-ID */ | 0 /* Reserved */ |
- F(FMA) | F(CX16) | 0 /* xTPR Update, PDCM */ |
+ F(FMA) | F(CX16) | 0 /* xTPR Update */ | F(PDCM) |
F(PCID) | 0 /* Reserved, DCA */ | F(XMM4_1) |
F(XMM4_2) | F(X2APIC) | F(MOVBE) | F(POPCNT) |
0 /* Reserved*/ | F(AES) | F(XSAVE) | 0 /* OSXSAVE */ | F(AVX) |
@@ -712,7 +711,8 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
(1 << KVM_FEATURE_ASYNC_PF_VMEXIT) |
(1 << KVM_FEATURE_PV_SEND_IPI) |
(1 << KVM_FEATURE_POLL_CONTROL) |
- (1 << KVM_FEATURE_PV_SCHED_YIELD);
+ (1 << KVM_FEATURE_PV_SCHED_YIELD) |
+ (1 << KVM_FEATURE_ASYNC_PF_INT);
if (sched_info_on())
entry->eax |= (1 << KVM_FEATURE_STEAL_TIME);
@@ -728,6 +728,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
cpuid_entry_override(entry, CPUID_8000_0001_EDX);
cpuid_entry_override(entry, CPUID_8000_0001_ECX);
break;
+ case 0x80000006:
+ /* L2 cache and TLB: pass through host info. */
+ break;
case 0x80000007: /* Advanced power management */
/* invariant TSC is CPUID.80000007H:EDX[8] */
entry->edx &= (1 << 8);
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index 63a70f6a3df3..05434cd9342f 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -303,4 +303,9 @@ static __always_inline void kvm_cpu_cap_check_and_set(unsigned int x86_feature)
kvm_cpu_cap_set(x86_feature);
}
+static inline bool page_address_valid(struct kvm_vcpu *vcpu, gpa_t gpa)
+{
+ return PAGE_ALIGNED(gpa) && !(gpa >> cpuid_maxphyaddr(vcpu));
+}
+
#endif
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index bddaba9c68dd..de5476f8683e 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -5798,6 +5798,8 @@ writeback:
}
ctxt->eip = ctxt->_eip;
+ if (ctxt->mode != X86EMUL_MODE_PROT64)
+ ctxt->eip = (u32)ctxt->_eip;
done:
if (rc == X86EMUL_PROPAGATE_FAULT) {
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index bcefa9d4e57e..238b78e069fe 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -21,6 +21,7 @@
#include "x86.h"
#include "lapic.h"
#include "ioapic.h"
+#include "cpuid.h"
#include "hyperv.h"
#include <linux/cpu.h>
@@ -266,6 +267,123 @@ static int synic_set_msr(struct kvm_vcpu_hv_synic *synic,
return ret;
}
+static bool kvm_hv_is_syndbg_enabled(struct kvm_vcpu *vcpu)
+{
+ struct kvm_cpuid_entry2 *entry;
+
+ entry = kvm_find_cpuid_entry(vcpu,
+ HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES,
+ 0);
+ if (!entry)
+ return false;
+
+ return entry->eax & HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING;
+}
+
+static int kvm_hv_syndbg_complete_userspace(struct kvm_vcpu *vcpu)
+{
+ struct kvm *kvm = vcpu->kvm;
+ struct kvm_hv *hv = &kvm->arch.hyperv;
+
+ if (vcpu->run->hyperv.u.syndbg.msr == HV_X64_MSR_SYNDBG_CONTROL)
+ hv->hv_syndbg.control.status =
+ vcpu->run->hyperv.u.syndbg.status;
+ return 1;
+}
+
+static void syndbg_exit(struct kvm_vcpu *vcpu, u32 msr)
+{
+ struct kvm_hv_syndbg *syndbg = vcpu_to_hv_syndbg(vcpu);
+ struct kvm_vcpu_hv *hv_vcpu = &vcpu->arch.hyperv;
+
+ hv_vcpu->exit.type = KVM_EXIT_HYPERV_SYNDBG;
+ hv_vcpu->exit.u.syndbg.msr = msr;
+ hv_vcpu->exit.u.syndbg.control = syndbg->control.control;
+ hv_vcpu->exit.u.syndbg.send_page = syndbg->control.send_page;
+ hv_vcpu->exit.u.syndbg.recv_page = syndbg->control.recv_page;
+ hv_vcpu->exit.u.syndbg.pending_page = syndbg->control.pending_page;
+ vcpu->arch.complete_userspace_io =
+ kvm_hv_syndbg_complete_userspace;
+
+ kvm_make_request(KVM_REQ_HV_EXIT, vcpu);
+}
+
+static int syndbg_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host)
+{
+ struct kvm_hv_syndbg *syndbg = vcpu_to_hv_syndbg(vcpu);
+
+ if (!kvm_hv_is_syndbg_enabled(vcpu) && !host)
+ return 1;
+
+ trace_kvm_hv_syndbg_set_msr(vcpu->vcpu_id,
+ vcpu_to_hv_vcpu(vcpu)->vp_index, msr, data);
+ switch (msr) {
+ case HV_X64_MSR_SYNDBG_CONTROL:
+ syndbg->control.control = data;
+ if (!host)
+ syndbg_exit(vcpu, msr);
+ break;
+ case HV_X64_MSR_SYNDBG_STATUS:
+ syndbg->control.status = data;
+ break;
+ case HV_X64_MSR_SYNDBG_SEND_BUFFER:
+ syndbg->control.send_page = data;
+ break;
+ case HV_X64_MSR_SYNDBG_RECV_BUFFER:
+ syndbg->control.recv_page = data;
+ break;
+ case HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ syndbg->control.pending_page = data;
+ if (!host)
+ syndbg_exit(vcpu, msr);
+ break;
+ case HV_X64_MSR_SYNDBG_OPTIONS:
+ syndbg->options = data;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int syndbg_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host)
+{
+ struct kvm_hv_syndbg *syndbg = vcpu_to_hv_syndbg(vcpu);
+
+ if (!kvm_hv_is_syndbg_enabled(vcpu) && !host)
+ return 1;
+
+ switch (msr) {
+ case HV_X64_MSR_SYNDBG_CONTROL:
+ *pdata = syndbg->control.control;
+ break;
+ case HV_X64_MSR_SYNDBG_STATUS:
+ *pdata = syndbg->control.status;
+ break;
+ case HV_X64_MSR_SYNDBG_SEND_BUFFER:
+ *pdata = syndbg->control.send_page;
+ break;
+ case HV_X64_MSR_SYNDBG_RECV_BUFFER:
+ *pdata = syndbg->control.recv_page;
+ break;
+ case HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ *pdata = syndbg->control.pending_page;
+ break;
+ case HV_X64_MSR_SYNDBG_OPTIONS:
+ *pdata = syndbg->options;
+ break;
+ default:
+ break;
+ }
+
+ trace_kvm_hv_syndbg_get_msr(vcpu->vcpu_id,
+ vcpu_to_hv_vcpu(vcpu)->vp_index, msr,
+ *pdata);
+
+ return 0;
+}
+
static int synic_get_msr(struct kvm_vcpu_hv_synic *synic, u32 msr, u64 *pdata,
bool host)
{
@@ -800,6 +918,8 @@ static bool kvm_hv_msr_partition_wide(u32 msr)
case HV_X64_MSR_REENLIGHTENMENT_CONTROL:
case HV_X64_MSR_TSC_EMULATION_CONTROL:
case HV_X64_MSR_TSC_EMULATION_STATUS:
+ case HV_X64_MSR_SYNDBG_OPTIONS:
+ case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER:
r = true;
break;
}
@@ -900,7 +1020,7 @@ static int kvm_hv_msr_set_crash_data(struct kvm_vcpu *vcpu,
* These two equivalencies are implemented in this function.
*/
static bool compute_tsc_page_parameters(struct pvclock_vcpu_time_info *hv_clock,
- HV_REFERENCE_TSC_PAGE *tsc_ref)
+ struct ms_hyperv_tsc_page *tsc_ref)
{
u64 max_mul;
@@ -941,7 +1061,7 @@ void kvm_hv_setup_tsc_page(struct kvm *kvm,
u64 gfn;
BUILD_BUG_ON(sizeof(tsc_seq) != sizeof(hv->tsc_ref.tsc_sequence));
- BUILD_BUG_ON(offsetof(HV_REFERENCE_TSC_PAGE, tsc_sequence) != 0);
+ BUILD_BUG_ON(offsetof(struct ms_hyperv_tsc_page, tsc_sequence) != 0);
if (!(hv->hv_tsc_page & HV_X64_MSR_TSC_REFERENCE_ENABLE))
return;
@@ -1061,6 +1181,9 @@ static int kvm_hv_set_msr_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data,
if (!host)
return 1;
break;
+ case HV_X64_MSR_SYNDBG_OPTIONS:
+ case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ return syndbg_set_msr(vcpu, msr, data, host);
default:
vcpu_unimpl(vcpu, "Hyper-V unhandled wrmsr: 0x%x data 0x%llx\n",
msr, data);
@@ -1190,7 +1313,8 @@ static int kvm_hv_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host)
return 0;
}
-static int kvm_hv_get_msr_pw(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
+static int kvm_hv_get_msr_pw(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata,
+ bool host)
{
u64 data = 0;
struct kvm *kvm = vcpu->kvm;
@@ -1227,6 +1351,9 @@ static int kvm_hv_get_msr_pw(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
case HV_X64_MSR_TSC_EMULATION_STATUS:
data = hv->hv_tsc_emulation_status;
break;
+ case HV_X64_MSR_SYNDBG_OPTIONS:
+ case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ return syndbg_get_msr(vcpu, msr, pdata, host);
default:
vcpu_unimpl(vcpu, "Hyper-V unhandled rdmsr: 0x%x\n", msr);
return 1;
@@ -1316,7 +1443,7 @@ int kvm_hv_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host)
int r;
mutex_lock(&vcpu->kvm->arch.hyperv.hv_lock);
- r = kvm_hv_get_msr_pw(vcpu, msr, pdata);
+ r = kvm_hv_get_msr_pw(vcpu, msr, pdata, host);
mutex_unlock(&vcpu->kvm->arch.hyperv.hv_lock);
return r;
} else
@@ -1425,9 +1552,8 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *current_vcpu, u64 ingpa,
* vcpu->arch.cr3 may not be up-to-date for running vCPUs so we can't
* analyze it here, flush TLB regardless of the specified address space.
*/
- kvm_make_vcpus_request_mask(kvm,
- KVM_REQ_TLB_FLUSH | KVM_REQUEST_NO_WAKEUP,
- vcpu_mask, &hv_vcpu->tlb_flush);
+ kvm_make_vcpus_request_mask(kvm, KVM_REQ_HV_TLB_FLUSH,
+ NULL, vcpu_mask, &hv_vcpu->tlb_flush);
ret_success:
/* We always do full TLB flush, set rep_done = rep_cnt. */
@@ -1530,7 +1656,7 @@ ret_success:
bool kvm_hv_hypercall_enabled(struct kvm *kvm)
{
- return READ_ONCE(kvm->arch.hyperv.hv_hypercall) & HV_X64_MSR_HYPERCALL_ENABLE;
+ return READ_ONCE(kvm->arch.hyperv.hv_guest_os_id) != 0;
}
static void kvm_hv_hypercall_set_result(struct kvm_vcpu *vcpu, u64 result)
@@ -1709,6 +1835,34 @@ int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
}
ret = kvm_hv_send_ipi(vcpu, ingpa, outgpa, true, false);
break;
+ case HVCALL_POST_DEBUG_DATA:
+ case HVCALL_RETRIEVE_DEBUG_DATA:
+ if (unlikely(fast)) {
+ ret = HV_STATUS_INVALID_PARAMETER;
+ break;
+ }
+ fallthrough;
+ case HVCALL_RESET_DEBUG_SESSION: {
+ struct kvm_hv_syndbg *syndbg = vcpu_to_hv_syndbg(vcpu);
+
+ if (!kvm_hv_is_syndbg_enabled(vcpu)) {
+ ret = HV_STATUS_INVALID_HYPERCALL_CODE;
+ break;
+ }
+
+ if (!(syndbg->options & HV_X64_SYNDBG_OPTION_USE_HCALLS)) {
+ ret = HV_STATUS_OPERATION_DENIED;
+ break;
+ }
+ vcpu->run->exit_reason = KVM_EXIT_HYPERV;
+ vcpu->run->hyperv.type = KVM_EXIT_HYPERV_HCALL;
+ vcpu->run->hyperv.u.hcall.input = param;
+ vcpu->run->hyperv.u.hcall.params[0] = ingpa;
+ vcpu->run->hyperv.u.hcall.params[1] = outgpa;
+ vcpu->arch.complete_userspace_io =
+ kvm_hv_hypercall_complete_userspace;
+ return 0;
+ }
default:
ret = HV_STATUS_INVALID_HYPERCALL_CODE;
break;
@@ -1796,12 +1950,15 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
{ .function = HYPERV_CPUID_FEATURES },
{ .function = HYPERV_CPUID_ENLIGHTMENT_INFO },
{ .function = HYPERV_CPUID_IMPLEMENT_LIMITS },
+ { .function = HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS },
+ { .function = HYPERV_CPUID_SYNDBG_INTERFACE },
+ { .function = HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES },
{ .function = HYPERV_CPUID_NESTED_FEATURES },
};
int i, nent = ARRAY_SIZE(cpuid_entries);
- if (kvm_x86_ops.nested_get_evmcs_version)
- evmcs_ver = kvm_x86_ops.nested_get_evmcs_version(vcpu);
+ if (kvm_x86_ops.nested_ops->get_evmcs_version)
+ evmcs_ver = kvm_x86_ops.nested_ops->get_evmcs_version(vcpu);
/* Skip NESTED_FEATURES if eVMCS is not supported */
if (!evmcs_ver)
@@ -1821,7 +1978,7 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
case HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS:
memcpy(signature, "Linux KVM Hv", 12);
- ent->eax = HYPERV_CPUID_NESTED_FEATURES;
+ ent->eax = HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES;
ent->ebx = signature[0];
ent->ecx = signature[1];
ent->edx = signature[2];
@@ -1860,6 +2017,10 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
ent->edx |= HV_FEATURE_FREQUENCY_MSRS_AVAILABLE;
ent->edx |= HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE;
+ ent->ebx |= HV_DEBUGGING;
+ ent->edx |= HV_X64_GUEST_DEBUGGING_AVAILABLE;
+ ent->edx |= HV_FEATURE_DEBUG_MSRS_AVAILABLE;
+
/*
* Direct Synthetic timers only make sense with in-kernel
* LAPIC
@@ -1903,6 +2064,24 @@ int kvm_vcpu_ioctl_get_hv_cpuid(struct kvm_vcpu *vcpu, struct kvm_cpuid2 *cpuid,
break;
+ case HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS:
+ memcpy(signature, "Linux KVM Hv", 12);
+
+ ent->eax = 0;
+ ent->ebx = signature[0];
+ ent->ecx = signature[1];
+ ent->edx = signature[2];
+ break;
+
+ case HYPERV_CPUID_SYNDBG_INTERFACE:
+ memcpy(signature, "VS#1\0\0\0\0\0\0\0\0", 12);
+ ent->eax = signature[0];
+ break;
+
+ case HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES:
+ ent->eax |= HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING;
+ break;
+
default:
break;
}
diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h
index 757cb578101c..e68c6c2e9649 100644
--- a/arch/x86/kvm/hyperv.h
+++ b/arch/x86/kvm/hyperv.h
@@ -23,6 +23,33 @@
#include <linux/kvm_host.h>
+/*
+ * The #defines related to the synthetic debugger are required by KDNet, but
+ * they are not documented in the Hyper-V TLFS because the synthetic debugger
+ * functionality has been deprecated and is subject to removal in future
+ * versions of Windows.
+ */
+#define HYPERV_CPUID_SYNDBG_VENDOR_AND_MAX_FUNCTIONS 0x40000080
+#define HYPERV_CPUID_SYNDBG_INTERFACE 0x40000081
+#define HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES 0x40000082
+
+/*
+ * Hyper-V synthetic debugger platform capabilities
+ * These are HYPERV_CPUID_SYNDBG_PLATFORM_CAPABILITIES.EAX bits.
+ */
+#define HV_X64_SYNDBG_CAP_ALLOW_KERNEL_DEBUGGING BIT(1)
+
+/* Hyper-V Synthetic debug options MSR */
+#define HV_X64_MSR_SYNDBG_CONTROL 0x400000F1
+#define HV_X64_MSR_SYNDBG_STATUS 0x400000F2
+#define HV_X64_MSR_SYNDBG_SEND_BUFFER 0x400000F3
+#define HV_X64_MSR_SYNDBG_RECV_BUFFER 0x400000F4
+#define HV_X64_MSR_SYNDBG_PENDING_BUFFER 0x400000F5
+#define HV_X64_MSR_SYNDBG_OPTIONS 0x400000FF
+
+/* Hyper-V HV_X64_MSR_SYNDBG_OPTIONS bits */
+#define HV_X64_SYNDBG_OPTION_USE_HCALLS BIT(2)
+
static inline struct kvm_vcpu_hv *vcpu_to_hv_vcpu(struct kvm_vcpu *vcpu)
{
return &vcpu->arch.hyperv;
@@ -46,6 +73,11 @@ static inline struct kvm_vcpu *synic_to_vcpu(struct kvm_vcpu_hv_synic *synic)
return hv_vcpu_to_vcpu(container_of(synic, struct kvm_vcpu_hv, synic));
}
+static inline struct kvm_hv_syndbg *vcpu_to_hv_syndbg(struct kvm_vcpu *vcpu)
+{
+ return &vcpu->kvm->arch.hyperv.hv_syndbg;
+}
+
int kvm_hv_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host);
int kvm_hv_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata, bool host);
diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c
index 750ff0b29404..d057376bd3d3 100644
--- a/arch/x86/kvm/ioapic.c
+++ b/arch/x86/kvm/ioapic.c
@@ -225,12 +225,12 @@ static int ioapic_set_irq(struct kvm_ioapic *ioapic, unsigned int irq,
}
/*
- * AMD SVM AVIC accelerate EOI write and do not trap,
- * in-kernel IOAPIC will not be able to receive the EOI.
- * In this case, we do lazy update of the pending EOI when
- * trying to set IOAPIC irq.
+ * AMD SVM AVIC accelerate EOI write iff the interrupt is edge
+ * triggered, in which case the in-kernel IOAPIC will not be able
+ * to receive the EOI. In this case, we do a lazy update of the
+ * pending EOI when trying to set IOAPIC irq.
*/
- if (kvm_apicv_activated(ioapic->kvm))
+ if (edge && kvm_apicv_activated(ioapic->kvm))
ioapic_lazy_update_eoi(ioapic, irq);
/*
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h
index 2fb2e3c80724..660401700075 100644
--- a/arch/x86/kvm/ioapic.h
+++ b/arch/x86/kvm/ioapic.h
@@ -3,8 +3,8 @@
#define __KVM_IO_APIC_H
#include <linux/kvm_host.h>
-
#include <kvm/iodev.h>
+#include "irq.h"
struct kvm;
struct kvm_vcpu;
@@ -108,11 +108,7 @@ do { \
static inline int ioapic_in_kernel(struct kvm *kvm)
{
- int mode = kvm->arch.irqchip_mode;
-
- /* Matches smp_wmb() when setting irqchip_mode */
- smp_rmb();
- return mode == KVM_IRQCHIP_KERNEL;
+ return irqchip_kernel(kvm);
}
void kvm_rtc_eoi_tracking_restore_one(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c
index e330e7d125f7..99d118ffc67d 100644
--- a/arch/x86/kvm/irq.c
+++ b/arch/x86/kvm/irq.c
@@ -83,6 +83,7 @@ int kvm_cpu_has_injectable_intr(struct kvm_vcpu *v)
return kvm_apic_has_interrupt(v) != -1; /* LAPIC */
}
+EXPORT_SYMBOL_GPL(kvm_cpu_has_injectable_intr);
/*
* check if there is pending interrupt without
@@ -159,6 +160,8 @@ void __kvm_migrate_timers(struct kvm_vcpu *vcpu)
{
__kvm_migrate_apic_timer(vcpu);
__kvm_migrate_pit_timer(vcpu);
+ if (kvm_x86_ops.migrate_timers)
+ kvm_x86_ops.migrate_timers(vcpu);
}
bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args)
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index f173ab6b407e..9b64abf9b3f1 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -16,7 +16,6 @@
#include <linux/spinlock.h>
#include <kvm/iodev.h>
-#include "ioapic.h"
#include "lapic.h"
#define PIC_NUM_PINS 16
@@ -66,15 +65,6 @@ void kvm_pic_destroy(struct kvm *kvm);
int kvm_pic_read_irq(struct kvm *kvm);
void kvm_pic_update_irq(struct kvm_pic *s);
-static inline int pic_in_kernel(struct kvm *kvm)
-{
- int mode = kvm->arch.irqchip_mode;
-
- /* Matches smp_wmb() when setting irqchip_mode */
- smp_rmb();
- return mode == KVM_IRQCHIP_KERNEL;
-}
-
static inline int irqchip_split(struct kvm *kvm)
{
int mode = kvm->arch.irqchip_mode;
@@ -93,6 +83,11 @@ static inline int irqchip_kernel(struct kvm *kvm)
return mode == KVM_IRQCHIP_KERNEL;
}
+static inline int pic_in_kernel(struct kvm *kvm)
+{
+ return irqchip_kernel(kvm);
+}
+
static inline int irqchip_in_kernel(struct kvm *kvm)
{
int mode = kvm->arch.irqchip_mode;
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index 62558b9bdda7..ff2d0e9ca3bc 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -116,8 +116,9 @@ static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
static inline ulong kvm_read_cr0_bits(struct kvm_vcpu *vcpu, ulong mask)
{
ulong tmask = mask & KVM_POSSIBLE_CR0_GUEST_BITS;
- if (tmask & vcpu->arch.cr0_guest_owned_bits)
- kvm_x86_ops.decache_cr0_guest_bits(vcpu);
+ if ((tmask & vcpu->arch.cr0_guest_owned_bits) &&
+ !kvm_register_is_available(vcpu, VCPU_EXREG_CR0))
+ kvm_x86_ops.cache_reg(vcpu, VCPU_EXREG_CR0);
return vcpu->arch.cr0 & mask;
}
@@ -129,8 +130,9 @@ static inline ulong kvm_read_cr0(struct kvm_vcpu *vcpu)
static inline ulong kvm_read_cr4_bits(struct kvm_vcpu *vcpu, ulong mask)
{
ulong tmask = mask & KVM_POSSIBLE_CR4_GUEST_BITS;
- if (tmask & vcpu->arch.cr4_guest_owned_bits)
- kvm_x86_ops.decache_cr4_guest_bits(vcpu);
+ if ((tmask & vcpu->arch.cr4_guest_owned_bits) &&
+ !kvm_register_is_available(vcpu, VCPU_EXREG_CR4))
+ kvm_x86_ops.cache_reg(vcpu, VCPU_EXREG_CR4);
return vcpu->arch.cr4 & mask;
}
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 9af25c97612a..34a7e0533dad 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -36,6 +36,7 @@
#include <linux/jump_label.h>
#include "kvm_cache_regs.h"
#include "irq.h"
+#include "ioapic.h"
#include "trace.h"
#include "x86.h"
#include "cpuid.h"
@@ -110,11 +111,18 @@ static inline u32 kvm_x2apic_id(struct kvm_lapic *apic)
return apic->vcpu->vcpu_id;
}
-bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu)
+static bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu)
{
return pi_inject_timer && kvm_vcpu_apicv_active(vcpu);
}
-EXPORT_SYMBOL_GPL(kvm_can_post_timer_interrupt);
+
+bool kvm_can_use_hv_timer(struct kvm_vcpu *vcpu)
+{
+ return kvm_x86_ops.set_hv_timer
+ && !(kvm_mwait_in_guest(vcpu->kvm) ||
+ kvm_can_post_timer_interrupt(vcpu));
+}
+EXPORT_SYMBOL_GPL(kvm_can_use_hv_timer);
static bool kvm_use_posted_timer_interrupt(struct kvm_vcpu *vcpu)
{
@@ -1593,7 +1601,7 @@ static void kvm_apic_inject_pending_timer_irqs(struct kvm_lapic *apic)
}
}
-static void apic_timer_expired(struct kvm_lapic *apic)
+static void apic_timer_expired(struct kvm_lapic *apic, bool from_timer_fn)
{
struct kvm_vcpu *vcpu = apic->vcpu;
struct kvm_timer *ktimer = &apic->lapic_timer;
@@ -1604,6 +1612,12 @@ static void apic_timer_expired(struct kvm_lapic *apic)
if (apic_lvtt_tscdeadline(apic) || ktimer->hv_timer_in_use)
ktimer->expired_tscdeadline = ktimer->tscdeadline;
+ if (!from_timer_fn && vcpu->arch.apicv_active) {
+ WARN_ON(kvm_get_running_vcpu() != vcpu);
+ kvm_apic_inject_pending_timer_irqs(apic);
+ return;
+ }
+
if (kvm_use_posted_timer_interrupt(apic->vcpu)) {
if (apic->lapic_timer.timer_advance_ns)
__kvm_wait_lapic_expire(vcpu);
@@ -1643,18 +1657,23 @@ static void start_sw_tscdeadline(struct kvm_lapic *apic)
expire = ktime_sub_ns(expire, ktimer->timer_advance_ns);
hrtimer_start(&ktimer->timer, expire, HRTIMER_MODE_ABS_HARD);
} else
- apic_timer_expired(apic);
+ apic_timer_expired(apic, false);
local_irq_restore(flags);
}
+static inline u64 tmict_to_ns(struct kvm_lapic *apic, u32 tmict)
+{
+ return (u64)tmict * APIC_BUS_CYCLE_NS * (u64)apic->divide_count;
+}
+
static void update_target_expiration(struct kvm_lapic *apic, uint32_t old_divisor)
{
ktime_t now, remaining;
u64 ns_remaining_old, ns_remaining_new;
- apic->lapic_timer.period = (u64)kvm_lapic_get_reg(apic, APIC_TMICT)
- * APIC_BUS_CYCLE_NS * apic->divide_count;
+ apic->lapic_timer.period =
+ tmict_to_ns(apic, kvm_lapic_get_reg(apic, APIC_TMICT));
limit_periodic_timer_frequency(apic);
now = ktime_get();
@@ -1672,14 +1691,15 @@ static void update_target_expiration(struct kvm_lapic *apic, uint32_t old_diviso
apic->lapic_timer.target_expiration = ktime_add_ns(now, ns_remaining_new);
}
-static bool set_target_expiration(struct kvm_lapic *apic)
+static bool set_target_expiration(struct kvm_lapic *apic, u32 count_reg)
{
ktime_t now;
u64 tscl = rdtsc();
+ s64 deadline;
now = ktime_get();
- apic->lapic_timer.period = (u64)kvm_lapic_get_reg(apic, APIC_TMICT)
- * APIC_BUS_CYCLE_NS * apic->divide_count;
+ apic->lapic_timer.period =
+ tmict_to_ns(apic, kvm_lapic_get_reg(apic, APIC_TMICT));
if (!apic->lapic_timer.period) {
apic->lapic_timer.tscdeadline = 0;
@@ -1687,10 +1707,32 @@ static bool set_target_expiration(struct kvm_lapic *apic)
}
limit_periodic_timer_frequency(apic);
+ deadline = apic->lapic_timer.period;
+
+ if (apic_lvtt_period(apic) || apic_lvtt_oneshot(apic)) {
+ if (unlikely(count_reg != APIC_TMICT)) {
+ deadline = tmict_to_ns(apic,
+ kvm_lapic_get_reg(apic, count_reg));
+ if (unlikely(deadline <= 0))
+ deadline = apic->lapic_timer.period;
+ else if (unlikely(deadline > apic->lapic_timer.period)) {
+ pr_info_ratelimited(
+ "kvm: vcpu %i: requested lapic timer restore with "
+ "starting count register %#x=%u (%lld ns) > initial count (%lld ns). "
+ "Using initial count to start timer.\n",
+ apic->vcpu->vcpu_id,
+ count_reg,
+ kvm_lapic_get_reg(apic, count_reg),
+ deadline, apic->lapic_timer.period);
+ kvm_lapic_set_reg(apic, count_reg, 0);
+ deadline = apic->lapic_timer.period;
+ }
+ }
+ }
apic->lapic_timer.tscdeadline = kvm_read_l1_tsc(apic->vcpu, tscl) +
- nsec_to_cycles(apic->vcpu, apic->lapic_timer.period);
- apic->lapic_timer.target_expiration = ktime_add_ns(now, apic->lapic_timer.period);
+ nsec_to_cycles(apic->vcpu, deadline);
+ apic->lapic_timer.target_expiration = ktime_add_ns(now, deadline);
return true;
}
@@ -1723,7 +1765,7 @@ static void start_sw_period(struct kvm_lapic *apic)
if (ktime_after(ktime_get(),
apic->lapic_timer.target_expiration)) {
- apic_timer_expired(apic);
+ apic_timer_expired(apic, false);
if (apic_lvtt_oneshot(apic))
return;
@@ -1760,7 +1802,7 @@ static bool start_hv_timer(struct kvm_lapic *apic)
bool expired;
WARN_ON(preemptible());
- if (!kvm_x86_ops.set_hv_timer)
+ if (!kvm_can_use_hv_timer(vcpu))
return false;
if (!ktimer->tscdeadline)
@@ -1785,7 +1827,7 @@ static bool start_hv_timer(struct kvm_lapic *apic)
if (atomic_read(&ktimer->pending)) {
cancel_hv_timer(apic);
} else if (expired) {
- apic_timer_expired(apic);
+ apic_timer_expired(apic, false);
cancel_hv_timer(apic);
}
}
@@ -1833,9 +1875,9 @@ void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu)
/* If the preempt notifier has already run, it also called apic_timer_expired */
if (!apic->lapic_timer.hv_timer_in_use)
goto out;
- WARN_ON(swait_active(&vcpu->wq));
+ WARN_ON(rcuwait_active(&vcpu->wait));
cancel_hv_timer(apic);
- apic_timer_expired(apic);
+ apic_timer_expired(apic, false);
if (apic_lvtt_period(apic) && apic->lapic_timer.period) {
advance_periodic_target_expiration(apic);
@@ -1872,17 +1914,22 @@ void kvm_lapic_restart_hv_timer(struct kvm_vcpu *vcpu)
restart_apic_timer(apic);
}
-static void start_apic_timer(struct kvm_lapic *apic)
+static void __start_apic_timer(struct kvm_lapic *apic, u32 count_reg)
{
atomic_set(&apic->lapic_timer.pending, 0);
if ((apic_lvtt_period(apic) || apic_lvtt_oneshot(apic))
- && !set_target_expiration(apic))
+ && !set_target_expiration(apic, count_reg))
return;
restart_apic_timer(apic);
}
+static void start_apic_timer(struct kvm_lapic *apic)
+{
+ __start_apic_timer(apic, APIC_TMICT);
+}
+
static void apic_manage_nmi_watchdog(struct kvm_lapic *apic, u32 lvt0_val)
{
bool lvt0_in_nmi_mode = apic_lvt_nmi_mode(lvt0_val);
@@ -2336,7 +2383,7 @@ static enum hrtimer_restart apic_timer_fn(struct hrtimer *data)
struct kvm_timer *ktimer = container_of(data, struct kvm_timer, timer);
struct kvm_lapic *apic = container_of(ktimer, struct kvm_lapic, lapic_timer);
- apic_timer_expired(apic);
+ apic_timer_expired(apic, true);
if (lapic_is_periodic(apic)) {
advance_periodic_target_expiration(apic);
@@ -2493,6 +2540,14 @@ static int kvm_apic_state_fixup(struct kvm_vcpu *vcpu,
int kvm_apic_get_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s)
{
memcpy(s->regs, vcpu->arch.apic->regs, sizeof(*s));
+
+ /*
+ * Get calculated timer current count for remaining timer period (if
+ * any) and store it in the returned register set.
+ */
+ __kvm_lapic_set_reg(s->regs, APIC_TMCCT,
+ __apic_read(vcpu->arch.apic, APIC_TMCCT));
+
return kvm_apic_state_fixup(vcpu, s, false);
}
@@ -2520,7 +2575,7 @@ int kvm_apic_set_state(struct kvm_vcpu *vcpu, struct kvm_lapic_state *s)
apic_update_lvtt(apic);
apic_manage_nmi_watchdog(apic, kvm_lapic_get_reg(apic, APIC_LVT0));
update_divide_count(apic);
- start_apic_timer(apic);
+ __start_apic_timer(apic, APIC_TMCCT);
kvm_apic_update_apicv(vcpu);
apic->highest_isr_cache = -1;
if (vcpu->arch.apicv_active) {
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index a0ffb4331418..754f29beb83e 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -161,9 +161,14 @@ static inline u32 kvm_lapic_get_reg(struct kvm_lapic *apic, int reg_off)
return *((u32 *) (apic->regs + reg_off));
}
+static inline void __kvm_lapic_set_reg(char *regs, int reg_off, u32 val)
+{
+ *((u32 *) (regs + reg_off)) = val;
+}
+
static inline void kvm_lapic_set_reg(struct kvm_lapic *apic, int reg_off, u32 val)
{
- *((u32 *) (apic->regs + reg_off)) = val;
+ __kvm_lapic_set_reg(apic->regs, reg_off, val);
}
extern struct static_key kvm_no_apic_vcpu;
@@ -245,7 +250,7 @@ void kvm_lapic_switch_to_hv_timer(struct kvm_vcpu *vcpu);
void kvm_lapic_expired_hv_timer(struct kvm_vcpu *vcpu);
bool kvm_lapic_hv_timer_in_use(struct kvm_vcpu *vcpu);
void kvm_lapic_restart_hv_timer(struct kvm_vcpu *vcpu);
-bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu);
+bool kvm_can_use_hv_timer(struct kvm_vcpu *vcpu);
static inline enum lapic_mode kvm_apic_mode(u64 apic_base)
{
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 8a3b1bce722a..0ad06bfe2c2c 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -51,13 +51,13 @@ static inline u64 rsvd_bits(int s, int e)
return ((1ULL << (e - s + 1)) - 1) << s;
}
-void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value, u64 access_mask);
+void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 access_mask);
void
reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context);
void kvm_init_mmu(struct kvm_vcpu *vcpu, bool reset_roots);
-void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu);
+void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, u32 cr0, u32 cr4, u32 efer);
void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly,
bool accessed_dirty, gpa_t new_eptp);
bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 8071952e9cf2..fdd05c233308 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -16,6 +16,7 @@
*/
#include "irq.h"
+#include "ioapic.h"
#include "mmu.h"
#include "x86.h"
#include "kvm_cache_regs.h"
@@ -78,6 +79,9 @@ module_param_cb(nx_huge_pages_recovery_ratio, &nx_huge_pages_recovery_ratio_ops,
&nx_huge_pages_recovery_ratio, 0644);
__MODULE_PARM_TYPE(nx_huge_pages_recovery_ratio, "uint");
+static bool __read_mostly force_flush_and_sync_on_reuse;
+module_param_named(flush_on_reuse, force_flush_and_sync_on_reuse, bool, 0644);
+
/*
* When setting this variable to true it enables Two-Dimensional-Paging
* where the hardware walks 2 page tables:
@@ -244,7 +248,6 @@ static u64 __read_mostly shadow_x_mask; /* mutual exclusive with nx_mask */
static u64 __read_mostly shadow_user_mask;
static u64 __read_mostly shadow_accessed_mask;
static u64 __read_mostly shadow_dirty_mask;
-static u64 __read_mostly shadow_mmio_mask;
static u64 __read_mostly shadow_mmio_value;
static u64 __read_mostly shadow_mmio_access_mask;
static u64 __read_mostly shadow_present_mask;
@@ -331,19 +334,19 @@ static void kvm_flush_remote_tlbs_with_address(struct kvm *kvm,
kvm_flush_remote_tlbs_with_range(kvm, &range);
}
-void kvm_mmu_set_mmio_spte_mask(u64 mmio_mask, u64 mmio_value, u64 access_mask)
+void kvm_mmu_set_mmio_spte_mask(u64 mmio_value, u64 access_mask)
{
BUG_ON((u64)(unsigned)access_mask != access_mask);
- BUG_ON((mmio_mask & mmio_value) != mmio_value);
+ WARN_ON(mmio_value & (shadow_nonpresent_or_rsvd_mask << shadow_nonpresent_or_rsvd_mask_len));
+ WARN_ON(mmio_value & shadow_nonpresent_or_rsvd_lower_gfn_mask);
shadow_mmio_value = mmio_value | SPTE_MMIO_MASK;
- shadow_mmio_mask = mmio_mask | SPTE_SPECIAL_MASK;
shadow_mmio_access_mask = access_mask;
}
EXPORT_SYMBOL_GPL(kvm_mmu_set_mmio_spte_mask);
static bool is_mmio_spte(u64 spte)
{
- return (spte & shadow_mmio_mask) == shadow_mmio_value;
+ return (spte & SPTE_SPECIAL_MASK) == SPTE_MMIO_MASK;
}
static inline bool sp_ad_disabled(struct kvm_mmu_page *sp)
@@ -566,7 +569,6 @@ static void kvm_mmu_reset_all_pte_masks(void)
shadow_dirty_mask = 0;
shadow_nx_mask = 0;
shadow_x_mask = 0;
- shadow_mmio_mask = 0;
shadow_present_mask = 0;
shadow_acc_track_mask = 0;
@@ -583,16 +585,15 @@ static void kvm_mmu_reset_all_pte_masks(void)
* the most significant bits of legal physical address space.
*/
shadow_nonpresent_or_rsvd_mask = 0;
- low_phys_bits = boot_cpu_data.x86_cache_bits;
- if (boot_cpu_data.x86_cache_bits <
- 52 - shadow_nonpresent_or_rsvd_mask_len) {
+ low_phys_bits = boot_cpu_data.x86_phys_bits;
+ if (boot_cpu_has_bug(X86_BUG_L1TF) &&
+ !WARN_ON_ONCE(boot_cpu_data.x86_cache_bits >=
+ 52 - shadow_nonpresent_or_rsvd_mask_len)) {
+ low_phys_bits = boot_cpu_data.x86_cache_bits
+ - shadow_nonpresent_or_rsvd_mask_len;
shadow_nonpresent_or_rsvd_mask =
- rsvd_bits(boot_cpu_data.x86_cache_bits -
- shadow_nonpresent_or_rsvd_mask_len,
- boot_cpu_data.x86_cache_bits - 1);
- low_phys_bits -= shadow_nonpresent_or_rsvd_mask_len;
- } else
- WARN_ON_ONCE(boot_cpu_has_bug(X86_BUG_L1TF));
+ rsvd_bits(low_phys_bits, boot_cpu_data.x86_cache_bits - 1);
+ }
shadow_nonpresent_or_rsvd_lower_gfn_mask =
GENMASK_ULL(low_phys_bits - 1, PAGE_SHIFT);
@@ -620,7 +621,7 @@ static int is_large_pte(u64 pte)
static int is_last_spte(u64 pte, int level)
{
- if (level == PT_PAGE_TABLE_LEVEL)
+ if (level == PG_LEVEL_4K)
return 1;
if (is_large_pte(pte))
return 1;
@@ -1196,7 +1197,7 @@ static void update_gfn_disallow_lpage_count(struct kvm_memory_slot *slot,
struct kvm_lpage_info *linfo;
int i;
- for (i = PT_DIRECTORY_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) {
+ for (i = PG_LEVEL_2M; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) {
linfo = lpage_info_slot(gfn, slot, i);
linfo->disallow_lpage += count;
WARN_ON(linfo->disallow_lpage < 0);
@@ -1225,7 +1226,7 @@ static void account_shadowed(struct kvm *kvm, struct kvm_mmu_page *sp)
slot = __gfn_to_memslot(slots, gfn);
/* the non-leaf shadow pages are keeping readonly. */
- if (sp->role.level > PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level > PG_LEVEL_4K)
return kvm_slot_page_track_add_page(kvm, slot, gfn,
KVM_PAGE_TRACK_WRITE);
@@ -1253,7 +1254,7 @@ static void unaccount_shadowed(struct kvm *kvm, struct kvm_mmu_page *sp)
gfn = sp->gfn;
slots = kvm_memslots_for_spte_role(kvm, sp->role);
slot = __gfn_to_memslot(slots, gfn);
- if (sp->role.level > PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level > PG_LEVEL_4K)
return kvm_slot_page_track_remove_page(kvm, slot, gfn,
KVM_PAGE_TRACK_WRITE);
@@ -1398,7 +1399,7 @@ static struct kvm_rmap_head *__gfn_to_rmap(gfn_t gfn, int level,
unsigned long idx;
idx = gfn_to_index(gfn, slot->base_gfn, level);
- return &slot->arch.rmap[level - PT_PAGE_TABLE_LEVEL][idx];
+ return &slot->arch.rmap[level - PG_LEVEL_4K][idx];
}
static struct kvm_rmap_head *gfn_to_rmap(struct kvm *kvm, gfn_t gfn,
@@ -1529,8 +1530,7 @@ static void drop_spte(struct kvm *kvm, u64 *sptep)
static bool __drop_large_spte(struct kvm *kvm, u64 *sptep)
{
if (is_large_pte(*sptep)) {
- WARN_ON(page_header(__pa(sptep))->role.level ==
- PT_PAGE_TABLE_LEVEL);
+ WARN_ON(page_header(__pa(sptep))->role.level == PG_LEVEL_4K);
drop_spte(kvm, sptep);
--kvm->stat.lpages;
return true;
@@ -1682,7 +1682,7 @@ static void kvm_mmu_write_protect_pt_masked(struct kvm *kvm,
while (mask) {
rmap_head = __gfn_to_rmap(slot->base_gfn + gfn_offset + __ffs(mask),
- PT_PAGE_TABLE_LEVEL, slot);
+ PG_LEVEL_4K, slot);
__rmap_write_protect(kvm, rmap_head, false);
/* clear the first set bit */
@@ -1708,7 +1708,7 @@ void kvm_mmu_clear_dirty_pt_masked(struct kvm *kvm,
while (mask) {
rmap_head = __gfn_to_rmap(slot->base_gfn + gfn_offset + __ffs(mask),
- PT_PAGE_TABLE_LEVEL, slot);
+ PG_LEVEL_4K, slot);
__rmap_clear_dirty(kvm, rmap_head);
/* clear the first set bit */
@@ -1760,7 +1760,7 @@ bool kvm_mmu_slot_gfn_write_protect(struct kvm *kvm,
int i;
bool write_protected = false;
- for (i = PT_PAGE_TABLE_LEVEL; i <= PT_MAX_HUGEPAGE_LEVEL; ++i) {
+ for (i = PG_LEVEL_4K; i <= KVM_MAX_HUGEPAGE_LEVEL; ++i) {
rmap_head = __gfn_to_rmap(gfn, i, slot);
write_protected |= __rmap_write_protect(kvm, rmap_head, true);
}
@@ -1948,8 +1948,8 @@ static int kvm_handle_hva_range(struct kvm *kvm,
gfn_start = hva_to_gfn_memslot(hva_start, memslot);
gfn_end = hva_to_gfn_memslot(hva_end + PAGE_SIZE - 1, memslot);
- for_each_slot_rmap_range(memslot, PT_PAGE_TABLE_LEVEL,
- PT_MAX_HUGEPAGE_LEVEL,
+ for_each_slot_rmap_range(memslot, PG_LEVEL_4K,
+ KVM_MAX_HUGEPAGE_LEVEL,
gfn_start, gfn_end - 1,
&iterator)
ret |= handler(kvm, iterator.rmap, memslot,
@@ -2153,10 +2153,6 @@ static int nonpaging_sync_page(struct kvm_vcpu *vcpu,
return 0;
}
-static void nonpaging_invlpg(struct kvm_vcpu *vcpu, gva_t gva, hpa_t root)
-{
-}
-
static void nonpaging_update_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *spte,
const void *pte)
@@ -2313,7 +2309,7 @@ static void kvm_mmu_flush_or_zap(struct kvm_vcpu *vcpu,
return;
if (local_flush)
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
#ifdef CONFIG_KVM_MMU_AUDIT
@@ -2347,7 +2343,7 @@ static bool kvm_sync_pages(struct kvm_vcpu *vcpu, gfn_t gfn,
if (!s->unsync)
continue;
- WARN_ON(s->role.level != PT_PAGE_TABLE_LEVEL);
+ WARN_ON(s->role.level != PG_LEVEL_4K);
ret |= kvm_sync_page(vcpu, s, invalid_list);
}
@@ -2376,7 +2372,7 @@ static int mmu_pages_next(struct kvm_mmu_pages *pvec,
int level = sp->role.level;
parents->idx[level-1] = idx;
- if (level == PT_PAGE_TABLE_LEVEL)
+ if (level == PG_LEVEL_4K)
break;
parents->parent[level-2] = sp;
@@ -2398,7 +2394,7 @@ static int mmu_pages_first(struct kvm_mmu_pages *pvec,
sp = pvec->page[0].sp;
level = sp->role.level;
- WARN_ON(level == PT_PAGE_TABLE_LEVEL);
+ WARN_ON(level == PG_LEVEL_4K);
parents->parent[level-2] = sp;
@@ -2520,11 +2516,11 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
break;
WARN_ON(!list_empty(&invalid_list));
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
if (sp->unsync_children)
- kvm_make_request(KVM_REQ_MMU_SYNC, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
__clear_sp_write_flooding_count(sp);
trace_kvm_mmu_get_page(sp, false);
@@ -2546,11 +2542,10 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
* be inconsistent with guest page table.
*/
account_shadowed(vcpu->kvm, sp);
- if (level == PT_PAGE_TABLE_LEVEL &&
- rmap_write_protect(vcpu, gfn))
+ if (level == PG_LEVEL_4K && rmap_write_protect(vcpu, gfn))
kvm_flush_remote_tlbs_with_address(vcpu->kvm, gfn, 1);
- if (level > PT_PAGE_TABLE_LEVEL && need_sync)
+ if (level > PG_LEVEL_4K && need_sync)
flush |= kvm_sync_pages(vcpu, gfn, &invalid_list);
}
clear_page(sp->spt);
@@ -2601,7 +2596,7 @@ static void shadow_walk_init(struct kvm_shadow_walk_iterator *iterator,
static bool shadow_walk_okay(struct kvm_shadow_walk_iterator *iterator)
{
- if (iterator->level < PT_PAGE_TABLE_LEVEL)
+ if (iterator->level < PG_LEVEL_4K)
return false;
iterator->index = SHADOW_PT_INDEX(iterator->addr, iterator->level);
@@ -2722,7 +2717,7 @@ static int mmu_zap_unsync_children(struct kvm *kvm,
struct mmu_page_path parents;
struct kvm_mmu_pages pages;
- if (parent->role.level == PT_PAGE_TABLE_LEVEL)
+ if (parent->role.level == PG_LEVEL_4K)
return 0;
while (mmu_unsync_walk(parent, &pages)) {
@@ -2921,7 +2916,7 @@ static bool mmu_need_write_protect(struct kvm_vcpu *vcpu, gfn_t gfn,
if (sp->unsync)
continue;
- WARN_ON(sp->role.level != PT_PAGE_TABLE_LEVEL);
+ WARN_ON(sp->role.level != PG_LEVEL_4K);
kvm_unsync_page(vcpu, sp);
}
@@ -3020,7 +3015,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
if (!speculative)
spte |= spte_shadow_accessed_mask(spte);
- if (level > PT_PAGE_TABLE_LEVEL && (pte_access & ACC_EXEC_MASK) &&
+ if (level > PG_LEVEL_4K && (pte_access & ACC_EXEC_MASK) &&
is_nx_huge_page_enabled()) {
pte_access &= ~ACC_EXEC_MASK;
}
@@ -3033,7 +3028,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
if (pte_access & ACC_USER_MASK)
spte |= shadow_user_mask;
- if (level > PT_PAGE_TABLE_LEVEL)
+ if (level > PG_LEVEL_4K)
spte |= PT_PAGE_SIZE_MASK;
if (tdp_enabled)
spte |= kvm_x86_ops.get_mt_mask(vcpu, gfn,
@@ -3103,8 +3098,7 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
* If we overwrite a PTE page pointer with a 2MB PMD, unlink
* the parent of the now unreachable PTE.
*/
- if (level > PT_PAGE_TABLE_LEVEL &&
- !is_large_pte(*sptep)) {
+ if (level > PG_LEVEL_4K && !is_large_pte(*sptep)) {
struct kvm_mmu_page *child;
u64 pte = *sptep;
@@ -3125,7 +3119,7 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
if (set_spte_ret & SET_SPTE_WRITE_PROTECTED_PT) {
if (write_fault)
ret = RET_PF_EMULATE;
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
if (set_spte_ret & SET_SPTE_NEED_REMOTE_TLB_FLUSH || flush)
@@ -3228,7 +3222,7 @@ static void direct_pte_prefetch(struct kvm_vcpu *vcpu, u64 *sptep)
if (sp_ad_disabled(sp))
return;
- if (sp->role.level > PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level > PG_LEVEL_4K)
return;
__direct_pte_prefetch(vcpu, sp, sptep);
@@ -3241,12 +3235,8 @@ static int host_pfn_mapping_level(struct kvm_vcpu *vcpu, gfn_t gfn,
pte_t *pte;
int level;
- BUILD_BUG_ON(PT_PAGE_TABLE_LEVEL != (int)PG_LEVEL_4K ||
- PT_DIRECTORY_LEVEL != (int)PG_LEVEL_2M ||
- PT_PDPE_LEVEL != (int)PG_LEVEL_1G);
-
if (!PageCompound(pfn_to_page(pfn)) && !kvm_is_zone_device_pfn(pfn))
- return PT_PAGE_TABLE_LEVEL;
+ return PG_LEVEL_4K;
/*
* Note, using the already-retrieved memslot and __gfn_to_hva_memslot()
@@ -3260,7 +3250,7 @@ static int host_pfn_mapping_level(struct kvm_vcpu *vcpu, gfn_t gfn,
pte = lookup_address_in_mm(vcpu->kvm->mm, hva, &level);
if (unlikely(!pte))
- return PT_PAGE_TABLE_LEVEL;
+ return PG_LEVEL_4K;
return level;
}
@@ -3274,28 +3264,28 @@ static int kvm_mmu_hugepage_adjust(struct kvm_vcpu *vcpu, gfn_t gfn,
kvm_pfn_t mask;
int level;
- if (unlikely(max_level == PT_PAGE_TABLE_LEVEL))
- return PT_PAGE_TABLE_LEVEL;
+ if (unlikely(max_level == PG_LEVEL_4K))
+ return PG_LEVEL_4K;
if (is_error_noslot_pfn(pfn) || kvm_is_reserved_pfn(pfn))
- return PT_PAGE_TABLE_LEVEL;
+ return PG_LEVEL_4K;
slot = gfn_to_memslot_dirty_bitmap(vcpu, gfn, true);
if (!slot)
- return PT_PAGE_TABLE_LEVEL;
+ return PG_LEVEL_4K;
max_level = min(max_level, max_page_level);
- for ( ; max_level > PT_PAGE_TABLE_LEVEL; max_level--) {
+ for ( ; max_level > PG_LEVEL_4K; max_level--) {
linfo = lpage_info_slot(gfn, slot, max_level);
if (!linfo->disallow_lpage)
break;
}
- if (max_level == PT_PAGE_TABLE_LEVEL)
- return PT_PAGE_TABLE_LEVEL;
+ if (max_level == PG_LEVEL_4K)
+ return PG_LEVEL_4K;
level = host_pfn_mapping_level(vcpu, gfn, pfn, slot);
- if (level == PT_PAGE_TABLE_LEVEL)
+ if (level == PG_LEVEL_4K)
return level;
level = min(level, max_level);
@@ -3317,7 +3307,7 @@ static void disallowed_hugepage_adjust(struct kvm_shadow_walk_iterator it,
int level = *levelp;
u64 spte = *it.sptep;
- if (it.level == level && level > PT_PAGE_TABLE_LEVEL &&
+ if (it.level == level && level > PG_LEVEL_4K &&
is_nx_huge_page_enabled() &&
is_shadow_present_pte(spte) &&
!is_large_pte(spte)) {
@@ -3574,7 +3564,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
*
* See the comments in kvm_arch_commit_memory_region().
*/
- if (sp->role.level > PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level > PG_LEVEL_4K)
break;
}
@@ -3586,7 +3576,7 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
/*
* Currently, fast page fault only works for direct mapping
* since the gfn is not stable for indirect shadow page. See
- * Documentation/virt/kvm/locking.txt to get more detail.
+ * Documentation/virt/kvm/locking.rst to get more detail.
*/
fault_handled = fast_pf_fix_direct_spte(vcpu, sp,
iterator.sptep, spte,
@@ -3666,7 +3656,7 @@ void kvm_mmu_free_roots(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
&invalid_list);
mmu->root_hpa = INVALID_PAGE;
}
- mmu->root_cr3 = 0;
+ mmu->root_pgd = 0;
}
kvm_mmu_commit_zap_page(vcpu->kvm, &invalid_list);
@@ -3686,58 +3676,64 @@ static int mmu_check_root(struct kvm_vcpu *vcpu, gfn_t root_gfn)
return ret;
}
-static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu)
+static hpa_t mmu_alloc_root(struct kvm_vcpu *vcpu, gfn_t gfn, gva_t gva,
+ u8 level, bool direct)
{
struct kvm_mmu_page *sp;
+
+ spin_lock(&vcpu->kvm->mmu_lock);
+
+ if (make_mmu_pages_available(vcpu)) {
+ spin_unlock(&vcpu->kvm->mmu_lock);
+ return INVALID_PAGE;
+ }
+ sp = kvm_mmu_get_page(vcpu, gfn, gva, level, direct, ACC_ALL);
+ ++sp->root_count;
+
+ spin_unlock(&vcpu->kvm->mmu_lock);
+ return __pa(sp->spt);
+}
+
+static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu)
+{
+ u8 shadow_root_level = vcpu->arch.mmu->shadow_root_level;
+ hpa_t root;
unsigned i;
- if (vcpu->arch.mmu->shadow_root_level >= PT64_ROOT_4LEVEL) {
- spin_lock(&vcpu->kvm->mmu_lock);
- if(make_mmu_pages_available(vcpu) < 0) {
- spin_unlock(&vcpu->kvm->mmu_lock);
+ if (shadow_root_level >= PT64_ROOT_4LEVEL) {
+ root = mmu_alloc_root(vcpu, 0, 0, shadow_root_level, true);
+ if (!VALID_PAGE(root))
return -ENOSPC;
- }
- sp = kvm_mmu_get_page(vcpu, 0, 0,
- vcpu->arch.mmu->shadow_root_level, 1, ACC_ALL);
- ++sp->root_count;
- spin_unlock(&vcpu->kvm->mmu_lock);
- vcpu->arch.mmu->root_hpa = __pa(sp->spt);
- } else if (vcpu->arch.mmu->shadow_root_level == PT32E_ROOT_LEVEL) {
+ vcpu->arch.mmu->root_hpa = root;
+ } else if (shadow_root_level == PT32E_ROOT_LEVEL) {
for (i = 0; i < 4; ++i) {
- hpa_t root = vcpu->arch.mmu->pae_root[i];
+ MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu->pae_root[i]));
- MMU_WARN_ON(VALID_PAGE(root));
- spin_lock(&vcpu->kvm->mmu_lock);
- if (make_mmu_pages_available(vcpu) < 0) {
- spin_unlock(&vcpu->kvm->mmu_lock);
+ root = mmu_alloc_root(vcpu, i << (30 - PAGE_SHIFT),
+ i << 30, PT32_ROOT_LEVEL, true);
+ if (!VALID_PAGE(root))
return -ENOSPC;
- }
- sp = kvm_mmu_get_page(vcpu, i << (30 - PAGE_SHIFT),
- i << 30, PT32_ROOT_LEVEL, 1, ACC_ALL);
- root = __pa(sp->spt);
- ++sp->root_count;
- spin_unlock(&vcpu->kvm->mmu_lock);
vcpu->arch.mmu->pae_root[i] = root | PT_PRESENT_MASK;
}
vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->pae_root);
} else
BUG();
- /* root_cr3 is ignored for direct MMUs. */
- vcpu->arch.mmu->root_cr3 = 0;
+ /* root_pgd is ignored for direct MMUs. */
+ vcpu->arch.mmu->root_pgd = 0;
return 0;
}
static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
{
- struct kvm_mmu_page *sp;
u64 pdptr, pm_mask;
- gfn_t root_gfn, root_cr3;
+ gfn_t root_gfn, root_pgd;
+ hpa_t root;
int i;
- root_cr3 = vcpu->arch.mmu->get_guest_pgd(vcpu);
- root_gfn = root_cr3 >> PAGE_SHIFT;
+ root_pgd = vcpu->arch.mmu->get_guest_pgd(vcpu);
+ root_gfn = root_pgd >> PAGE_SHIFT;
if (mmu_check_root(vcpu, root_gfn))
return 1;
@@ -3747,22 +3743,14 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
* write-protect the guests page table root.
*/
if (vcpu->arch.mmu->root_level >= PT64_ROOT_4LEVEL) {
- hpa_t root = vcpu->arch.mmu->root_hpa;
-
- MMU_WARN_ON(VALID_PAGE(root));
+ MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu->root_hpa));
- spin_lock(&vcpu->kvm->mmu_lock);
- if (make_mmu_pages_available(vcpu) < 0) {
- spin_unlock(&vcpu->kvm->mmu_lock);
+ root = mmu_alloc_root(vcpu, root_gfn, 0,
+ vcpu->arch.mmu->shadow_root_level, false);
+ if (!VALID_PAGE(root))
return -ENOSPC;
- }
- sp = kvm_mmu_get_page(vcpu, root_gfn, 0,
- vcpu->arch.mmu->shadow_root_level, 0, ACC_ALL);
- root = __pa(sp->spt);
- ++sp->root_count;
- spin_unlock(&vcpu->kvm->mmu_lock);
vcpu->arch.mmu->root_hpa = root;
- goto set_root_cr3;
+ goto set_root_pgd;
}
/*
@@ -3775,9 +3763,7 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
pm_mask |= PT_ACCESSED_MASK | PT_WRITABLE_MASK | PT_USER_MASK;
for (i = 0; i < 4; ++i) {
- hpa_t root = vcpu->arch.mmu->pae_root[i];
-
- MMU_WARN_ON(VALID_PAGE(root));
+ MMU_WARN_ON(VALID_PAGE(vcpu->arch.mmu->pae_root[i]));
if (vcpu->arch.mmu->root_level == PT32E_ROOT_LEVEL) {
pdptr = vcpu->arch.mmu->get_pdptr(vcpu, i);
if (!(pdptr & PT_PRESENT_MASK)) {
@@ -3788,17 +3774,11 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
if (mmu_check_root(vcpu, root_gfn))
return 1;
}
- spin_lock(&vcpu->kvm->mmu_lock);
- if (make_mmu_pages_available(vcpu) < 0) {
- spin_unlock(&vcpu->kvm->mmu_lock);
- return -ENOSPC;
- }
- sp = kvm_mmu_get_page(vcpu, root_gfn, i << 30, PT32_ROOT_LEVEL,
- 0, ACC_ALL);
- root = __pa(sp->spt);
- ++sp->root_count;
- spin_unlock(&vcpu->kvm->mmu_lock);
+ root = mmu_alloc_root(vcpu, root_gfn, i << 30,
+ PT32_ROOT_LEVEL, false);
+ if (!VALID_PAGE(root))
+ return -ENOSPC;
vcpu->arch.mmu->pae_root[i] = root | pm_mask;
}
vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->pae_root);
@@ -3828,8 +3808,8 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu)
vcpu->arch.mmu->root_hpa = __pa(vcpu->arch.mmu->lm_root);
}
-set_root_cr3:
- vcpu->arch.mmu->root_cr3 = root_cr3;
+set_root_pgd:
+ vcpu->arch.mmu->root_pgd = root_pgd;
return 0;
}
@@ -4083,18 +4063,16 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn,
gpa_t cr2_or_gpa, kvm_pfn_t *pfn, bool write,
bool *writable)
{
- struct kvm_memory_slot *slot;
+ struct kvm_memory_slot *slot = kvm_vcpu_gfn_to_memslot(vcpu, gfn);
bool async;
- /*
- * Don't expose private memslots to L2.
- */
- if (is_guest_mode(vcpu) && !kvm_is_visible_gfn(vcpu->kvm, gfn)) {
+ /* Don't expose private memslots to L2. */
+ if (is_guest_mode(vcpu) && !kvm_is_visible_memslot(slot)) {
*pfn = KVM_PFN_NOSLOT;
+ *writable = false;
return false;
}
- slot = kvm_vcpu_gfn_to_memslot(vcpu, gfn);
async = false;
*pfn = __gfn_to_pfn_memslot(slot, gfn, false, &async, write, writable);
if (!async)
@@ -4135,7 +4113,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
return r;
if (lpage_disallowed)
- max_level = PT_PAGE_TABLE_LEVEL;
+ max_level = PG_LEVEL_4K;
if (fast_page_fault(vcpu, gpa, error_code))
return RET_PF_RETRY;
@@ -4171,7 +4149,7 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa,
/* This path builds a PAE pagetable, we can map 2mb pages at maximum. */
return direct_page_fault(vcpu, gpa & PAGE_MASK, error_code, prefault,
- PT_DIRECTORY_LEVEL, false);
+ PG_LEVEL_2M, false);
}
int kvm_handle_page_fault(struct kvm_vcpu *vcpu, u64 error_code,
@@ -4186,7 +4164,7 @@ int kvm_handle_page_fault(struct kvm_vcpu *vcpu, u64 error_code,
#endif
vcpu->arch.l1tf_flush_l1d = true;
- switch (vcpu->arch.apf.host_apf_reason) {
+ switch (vcpu->arch.apf.host_apf_flags) {
default:
trace_kvm_page_fault(fault_address, error_code);
@@ -4196,13 +4174,13 @@ int kvm_handle_page_fault(struct kvm_vcpu *vcpu, u64 error_code,
insn_len);
break;
case KVM_PV_REASON_PAGE_NOT_PRESENT:
- vcpu->arch.apf.host_apf_reason = 0;
+ vcpu->arch.apf.host_apf_flags = 0;
local_irq_disable();
- kvm_async_pf_task_wait(fault_address, 0);
+ kvm_async_pf_task_wait_schedule(fault_address);
local_irq_enable();
break;
case KVM_PV_REASON_PAGE_READY:
- vcpu->arch.apf.host_apf_reason = 0;
+ vcpu->arch.apf.host_apf_flags = 0;
local_irq_disable();
kvm_async_pf_task_wake(fault_address);
local_irq_enable();
@@ -4217,8 +4195,8 @@ int kvm_tdp_page_fault(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
{
int max_level;
- for (max_level = PT_MAX_HUGEPAGE_LEVEL;
- max_level > PT_PAGE_TABLE_LEVEL;
+ for (max_level = KVM_MAX_HUGEPAGE_LEVEL;
+ max_level > PG_LEVEL_4K;
max_level--) {
int page_num = KVM_PAGES_PER_HPAGE(max_level);
gfn_t base = (gpa >> PAGE_SHIFT) & ~(page_num - 1);
@@ -4237,7 +4215,7 @@ static void nonpaging_init_context(struct kvm_vcpu *vcpu,
context->page_fault = nonpaging_page_fault;
context->gva_to_gpa = nonpaging_gva_to_gpa;
context->sync_page = nonpaging_sync_page;
- context->invlpg = nonpaging_invlpg;
+ context->invlpg = NULL;
context->update_pte = nonpaging_update_pte;
context->root_level = 0;
context->shadow_root_level = PT32E_ROOT_LEVEL;
@@ -4245,51 +4223,50 @@ static void nonpaging_init_context(struct kvm_vcpu *vcpu,
context->nx = false;
}
-static inline bool is_root_usable(struct kvm_mmu_root_info *root, gpa_t cr3,
+static inline bool is_root_usable(struct kvm_mmu_root_info *root, gpa_t pgd,
union kvm_mmu_page_role role)
{
- return (role.direct || cr3 == root->cr3) &&
+ return (role.direct || pgd == root->pgd) &&
VALID_PAGE(root->hpa) && page_header(root->hpa) &&
role.word == page_header(root->hpa)->role.word;
}
/*
- * Find out if a previously cached root matching the new CR3/role is available.
+ * Find out if a previously cached root matching the new pgd/role is available.
* The current root is also inserted into the cache.
* If a matching root was found, it is assigned to kvm_mmu->root_hpa and true is
* returned.
* Otherwise, the LRU root from the cache is assigned to kvm_mmu->root_hpa and
* false is returned. This root should now be freed by the caller.
*/
-static bool cached_root_available(struct kvm_vcpu *vcpu, gpa_t new_cr3,
+static bool cached_root_available(struct kvm_vcpu *vcpu, gpa_t new_pgd,
union kvm_mmu_page_role new_role)
{
uint i;
struct kvm_mmu_root_info root;
struct kvm_mmu *mmu = vcpu->arch.mmu;
- root.cr3 = mmu->root_cr3;
+ root.pgd = mmu->root_pgd;
root.hpa = mmu->root_hpa;
- if (is_root_usable(&root, new_cr3, new_role))
+ if (is_root_usable(&root, new_pgd, new_role))
return true;
for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) {
swap(root, mmu->prev_roots[i]);
- if (is_root_usable(&root, new_cr3, new_role))
+ if (is_root_usable(&root, new_pgd, new_role))
break;
}
mmu->root_hpa = root.hpa;
- mmu->root_cr3 = root.cr3;
+ mmu->root_pgd = root.pgd;
return i < KVM_MMU_NUM_PREV_ROOTS;
}
-static bool fast_cr3_switch(struct kvm_vcpu *vcpu, gpa_t new_cr3,
- union kvm_mmu_page_role new_role,
- bool skip_tlb_flush)
+static bool fast_pgd_switch(struct kvm_vcpu *vcpu, gpa_t new_pgd,
+ union kvm_mmu_page_role new_role)
{
struct kvm_mmu *mmu = vcpu->arch.mmu;
@@ -4299,70 +4276,59 @@ static bool fast_cr3_switch(struct kvm_vcpu *vcpu, gpa_t new_cr3,
* later if necessary.
*/
if (mmu->shadow_root_level >= PT64_ROOT_4LEVEL &&
- mmu->root_level >= PT64_ROOT_4LEVEL) {
- if (mmu_check_root(vcpu, new_cr3 >> PAGE_SHIFT))
- return false;
-
- if (cached_root_available(vcpu, new_cr3, new_role)) {
- /*
- * It is possible that the cached previous root page is
- * obsolete because of a change in the MMU generation
- * number. However, changing the generation number is
- * accompanied by KVM_REQ_MMU_RELOAD, which will free
- * the root set here and allocate a new one.
- */
- kvm_make_request(KVM_REQ_LOAD_MMU_PGD, vcpu);
- if (!skip_tlb_flush) {
- kvm_make_request(KVM_REQ_MMU_SYNC, vcpu);
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
- }
-
- /*
- * The last MMIO access's GVA and GPA are cached in the
- * VCPU. When switching to a new CR3, that GVA->GPA
- * mapping may no longer be valid. So clear any cached
- * MMIO info even when we don't need to sync the shadow
- * page tables.
- */
- vcpu_clear_mmio_info(vcpu, MMIO_GVA_ANY);
-
- __clear_sp_write_flooding_count(
- page_header(mmu->root_hpa));
-
- return true;
- }
- }
+ mmu->root_level >= PT64_ROOT_4LEVEL)
+ return !mmu_check_root(vcpu, new_pgd >> PAGE_SHIFT) &&
+ cached_root_available(vcpu, new_pgd, new_role);
return false;
}
-static void __kvm_mmu_new_cr3(struct kvm_vcpu *vcpu, gpa_t new_cr3,
+static void __kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd,
union kvm_mmu_page_role new_role,
- bool skip_tlb_flush)
+ bool skip_tlb_flush, bool skip_mmu_sync)
{
- if (!fast_cr3_switch(vcpu, new_cr3, new_role, skip_tlb_flush))
- kvm_mmu_free_roots(vcpu, vcpu->arch.mmu,
- KVM_MMU_ROOT_CURRENT);
+ if (!fast_pgd_switch(vcpu, new_pgd, new_role)) {
+ kvm_mmu_free_roots(vcpu, vcpu->arch.mmu, KVM_MMU_ROOT_CURRENT);
+ return;
+ }
+
+ /*
+ * It's possible that the cached previous root page is obsolete because
+ * of a change in the MMU generation number. However, changing the
+ * generation number is accompanied by KVM_REQ_MMU_RELOAD, which will
+ * free the root set here and allocate a new one.
+ */
+ kvm_make_request(KVM_REQ_LOAD_MMU_PGD, vcpu);
+
+ if (!skip_mmu_sync || force_flush_and_sync_on_reuse)
+ kvm_make_request(KVM_REQ_MMU_SYNC, vcpu);
+ if (!skip_tlb_flush || force_flush_and_sync_on_reuse)
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
+
+ /*
+ * The last MMIO access's GVA and GPA are cached in the VCPU. When
+ * switching to a new CR3, that GVA->GPA mapping may no longer be
+ * valid. So clear any cached MMIO info even when we don't need to sync
+ * the shadow page tables.
+ */
+ vcpu_clear_mmio_info(vcpu, MMIO_GVA_ANY);
+
+ __clear_sp_write_flooding_count(page_header(vcpu->arch.mmu->root_hpa));
}
-void kvm_mmu_new_cr3(struct kvm_vcpu *vcpu, gpa_t new_cr3, bool skip_tlb_flush)
+void kvm_mmu_new_pgd(struct kvm_vcpu *vcpu, gpa_t new_pgd, bool skip_tlb_flush,
+ bool skip_mmu_sync)
{
- __kvm_mmu_new_cr3(vcpu, new_cr3, kvm_mmu_calc_root_page_role(vcpu),
- skip_tlb_flush);
+ __kvm_mmu_new_pgd(vcpu, new_pgd, kvm_mmu_calc_root_page_role(vcpu),
+ skip_tlb_flush, skip_mmu_sync);
}
-EXPORT_SYMBOL_GPL(kvm_mmu_new_cr3);
+EXPORT_SYMBOL_GPL(kvm_mmu_new_pgd);
static unsigned long get_cr3(struct kvm_vcpu *vcpu)
{
return kvm_read_cr3(vcpu);
}
-static void inject_page_fault(struct kvm_vcpu *vcpu,
- struct x86_exception *fault)
-{
- vcpu->arch.mmu->inject_page_fault(vcpu, fault);
-}
-
static bool sync_mmio_spte(struct kvm_vcpu *vcpu, u64 *sptep, gfn_t gfn,
unsigned int access, int *nr_present)
{
@@ -4391,11 +4357,11 @@ static inline bool is_last_gpte(struct kvm_mmu *mmu,
gpte &= level - mmu->last_nonleaf_level;
/*
- * PT_PAGE_TABLE_LEVEL always terminates. The RHS has bit 7 set
- * iff level <= PT_PAGE_TABLE_LEVEL, which for our purpose means
- * level == PT_PAGE_TABLE_LEVEL; set PT_PAGE_SIZE_MASK in gpte then.
+ * PG_LEVEL_4K always terminates. The RHS has bit 7 set
+ * iff level <= PG_LEVEL_4K, which for our purpose means
+ * level == PG_LEVEL_4K; set PT_PAGE_SIZE_MASK in gpte then.
*/
- gpte |= level - PT_PAGE_TABLE_LEVEL - 1;
+ gpte |= level - PG_LEVEL_4K - 1;
return gpte & PT_PAGE_SIZE_MASK;
}
@@ -4909,7 +4875,7 @@ kvm_calc_tdp_mmu_root_page_role(struct kvm_vcpu *vcpu, bool base_only)
union kvm_mmu_role role = kvm_calc_mmu_role_common(vcpu, base_only);
role.base.ad_disabled = (shadow_accessed_mask == 0);
- role.base.level = kvm_x86_ops.get_tdp_level(vcpu);
+ role.base.level = vcpu->arch.tdp_level;
role.base.direct = true;
role.base.gpte_is_8_bytes = true;
@@ -4928,9 +4894,9 @@ static void init_kvm_tdp_mmu(struct kvm_vcpu *vcpu)
context->mmu_role.as_u64 = new_role.as_u64;
context->page_fault = kvm_tdp_page_fault;
context->sync_page = nonpaging_sync_page;
- context->invlpg = nonpaging_invlpg;
+ context->invlpg = NULL;
context->update_pte = nonpaging_update_pte;
- context->shadow_root_level = kvm_x86_ops.get_tdp_level(vcpu);
+ context->shadow_root_level = vcpu->arch.tdp_level;
context->direct_map = true;
context->get_guest_pgd = get_cr3;
context->get_pdptr = kvm_pdptr_read;
@@ -4986,7 +4952,7 @@ kvm_calc_shadow_mmu_root_page_role(struct kvm_vcpu *vcpu, bool base_only)
return role;
}
-void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu)
+void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu, u32 cr0, u32 cr4, u32 efer)
{
struct kvm_mmu *context = vcpu->arch.mmu;
union kvm_mmu_role new_role =
@@ -4995,11 +4961,11 @@ void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu)
if (new_role.as_u64 == context->mmu_role.as_u64)
return;
- if (!is_paging(vcpu))
+ if (!(cr0 & X86_CR0_PG))
nonpaging_init_context(vcpu, context);
- else if (is_long_mode(vcpu))
+ else if (efer & EFER_LMA)
paging64_init_context(vcpu, context);
- else if (is_pae(vcpu))
+ else if (cr4 & X86_CR4_PAE)
paging32E_init_context(vcpu, context);
else
paging32_init_context(vcpu, context);
@@ -5047,7 +5013,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly,
kvm_calc_shadow_ept_root_page_role(vcpu, accessed_dirty,
execonly, level);
- __kvm_mmu_new_cr3(vcpu, new_eptp, new_role.base, false);
+ __kvm_mmu_new_pgd(vcpu, new_eptp, new_role.base, true, true);
if (new_role.as_u64 == context->mmu_role.as_u64)
return;
@@ -5077,7 +5043,11 @@ static void init_kvm_softmmu(struct kvm_vcpu *vcpu)
{
struct kvm_mmu *context = vcpu->arch.mmu;
- kvm_init_shadow_mmu(vcpu);
+ kvm_init_shadow_mmu(vcpu,
+ kvm_read_cr0_bits(vcpu, X86_CR0_PG),
+ kvm_read_cr4_bits(vcpu, X86_CR4_PAE),
+ vcpu->arch.efer);
+
context->get_guest_pgd = get_cr3;
context->get_pdptr = kvm_pdptr_read;
context->inject_page_fault = kvm_inject_page_fault;
@@ -5097,6 +5067,12 @@ static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu)
g_context->inject_page_fault = kvm_inject_page_fault;
/*
+ * L2 page tables are never shadowed, so there is no need to sync
+ * SPTEs.
+ */
+ g_context->invlpg = NULL;
+
+ /*
* Note that arch.mmu->gva_to_gpa translates l2_gpa to l1_gpa using
* L1's nested page tables (e.g. EPT12). The nested translation
* of l2_gva to l1_gpa is done by arch.nested_mmu.gva_to_gpa using
@@ -5183,7 +5159,7 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu)
if (r)
goto out;
kvm_mmu_load_pgd(vcpu);
- kvm_x86_ops.tlb_flush(vcpu, true);
+ kvm_x86_ops.tlb_flush_current(vcpu);
out:
return r;
}
@@ -5202,7 +5178,7 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu,
struct kvm_mmu_page *sp, u64 *spte,
const void *new)
{
- if (sp->role.level != PT_PAGE_TABLE_LEVEL) {
+ if (sp->role.level != PG_LEVEL_4K) {
++vcpu->kvm->stat.mmu_pde_zapped;
return;
}
@@ -5260,7 +5236,7 @@ static bool detect_write_flooding(struct kvm_mmu_page *sp)
* Skip write-flooding detected for the sp whose level is 1, because
* it can become unsync, then the guest page is not write-protected.
*/
- if (sp->role.level == PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level == PG_LEVEL_4K)
return false;
atomic_inc(&sp->write_flooding_count);
@@ -5497,37 +5473,54 @@ emulate:
}
EXPORT_SYMBOL_GPL(kvm_mmu_page_fault);
-void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
+void kvm_mmu_invalidate_gva(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+ gva_t gva, hpa_t root_hpa)
{
- struct kvm_mmu *mmu = vcpu->arch.mmu;
int i;
- /* INVLPG on a * non-canonical address is a NOP according to the SDM. */
- if (is_noncanonical_address(gva, vcpu))
+ /* It's actually a GPA for vcpu->arch.guest_mmu. */
+ if (mmu != &vcpu->arch.guest_mmu) {
+ /* INVLPG on a non-canonical address is a NOP according to the SDM. */
+ if (is_noncanonical_address(gva, vcpu))
+ return;
+
+ kvm_x86_ops.tlb_flush_gva(vcpu, gva);
+ }
+
+ if (!mmu->invlpg)
return;
- mmu->invlpg(vcpu, gva, mmu->root_hpa);
+ if (root_hpa == INVALID_PAGE) {
+ mmu->invlpg(vcpu, gva, mmu->root_hpa);
- /*
- * INVLPG is required to invalidate any global mappings for the VA,
- * irrespective of PCID. Since it would take us roughly similar amount
- * of work to determine whether any of the prev_root mappings of the VA
- * is marked global, or to just sync it blindly, so we might as well
- * just always sync it.
- *
- * Mappings not reachable via the current cr3 or the prev_roots will be
- * synced when switching to that cr3, so nothing needs to be done here
- * for them.
- */
- for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
- if (VALID_PAGE(mmu->prev_roots[i].hpa))
- mmu->invlpg(vcpu, gva, mmu->prev_roots[i].hpa);
+ /*
+ * INVLPG is required to invalidate any global mappings for the VA,
+ * irrespective of PCID. Since it would take us roughly similar amount
+ * of work to determine whether any of the prev_root mappings of the VA
+ * is marked global, or to just sync it blindly, so we might as well
+ * just always sync it.
+ *
+ * Mappings not reachable via the current cr3 or the prev_roots will be
+ * synced when switching to that cr3, so nothing needs to be done here
+ * for them.
+ */
+ for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
+ if (VALID_PAGE(mmu->prev_roots[i].hpa))
+ mmu->invlpg(vcpu, gva, mmu->prev_roots[i].hpa);
+ } else {
+ mmu->invlpg(vcpu, gva, root_hpa);
+ }
+}
+EXPORT_SYMBOL_GPL(kvm_mmu_invalidate_gva);
- kvm_x86_ops.tlb_flush_gva(vcpu, gva);
+void kvm_mmu_invlpg(struct kvm_vcpu *vcpu, gva_t gva)
+{
+ kvm_mmu_invalidate_gva(vcpu, vcpu->arch.mmu, gva, INVALID_PAGE);
++vcpu->stat.invlpg;
}
EXPORT_SYMBOL_GPL(kvm_mmu_invlpg);
+
void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid)
{
struct kvm_mmu *mmu = vcpu->arch.mmu;
@@ -5541,7 +5534,7 @@ void kvm_mmu_invpcid_gva(struct kvm_vcpu *vcpu, gva_t gva, unsigned long pcid)
for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) {
if (VALID_PAGE(mmu->prev_roots[i].hpa) &&
- pcid == kvm_get_pcid(vcpu, mmu->prev_roots[i].cr3)) {
+ pcid == kvm_get_pcid(vcpu, mmu->prev_roots[i].pgd)) {
mmu->invlpg(vcpu, gva, mmu->prev_roots[i].hpa);
tlb_flush = true;
}
@@ -5574,9 +5567,9 @@ void kvm_configure_mmu(bool enable_tdp, int tdp_page_level)
if (tdp_enabled)
max_page_level = tdp_page_level;
else if (boot_cpu_has(X86_FEATURE_GBPAGES))
- max_page_level = PT_PDPE_LEVEL;
+ max_page_level = PG_LEVEL_1G;
else
- max_page_level = PT_DIRECTORY_LEVEL;
+ max_page_level = PG_LEVEL_2M;
}
EXPORT_SYMBOL_GPL(kvm_configure_mmu);
@@ -5632,24 +5625,24 @@ static __always_inline bool
slot_handle_all_level(struct kvm *kvm, struct kvm_memory_slot *memslot,
slot_level_handler fn, bool lock_flush_tlb)
{
- return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL,
- PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb);
+ return slot_handle_level(kvm, memslot, fn, PG_LEVEL_4K,
+ KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb);
}
static __always_inline bool
slot_handle_large_level(struct kvm *kvm, struct kvm_memory_slot *memslot,
slot_level_handler fn, bool lock_flush_tlb)
{
- return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL + 1,
- PT_MAX_HUGEPAGE_LEVEL, lock_flush_tlb);
+ return slot_handle_level(kvm, memslot, fn, PG_LEVEL_4K + 1,
+ KVM_MAX_HUGEPAGE_LEVEL, lock_flush_tlb);
}
static __always_inline bool
slot_handle_leaf(struct kvm *kvm, struct kvm_memory_slot *memslot,
slot_level_handler fn, bool lock_flush_tlb)
{
- return slot_handle_level(kvm, memslot, fn, PT_PAGE_TABLE_LEVEL,
- PT_PAGE_TABLE_LEVEL, lock_flush_tlb);
+ return slot_handle_level(kvm, memslot, fn, PG_LEVEL_4K,
+ PG_LEVEL_4K, lock_flush_tlb);
}
static void free_mmu_pages(struct kvm_mmu *mmu)
@@ -5672,7 +5665,7 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu)
* SVM's 32-bit NPT support, TDP paging doesn't use PAE paging and can
* skip allocating the PDP table.
*/
- if (tdp_enabled && kvm_x86_ops.get_tdp_level(vcpu) > PT32E_ROOT_LEVEL)
+ if (tdp_enabled && vcpu->arch.tdp_level > PT32E_ROOT_LEVEL)
return 0;
page = alloc_page(GFP_KERNEL_ACCOUNT | __GFP_DMA32);
@@ -5695,13 +5688,13 @@ int kvm_mmu_create(struct kvm_vcpu *vcpu)
vcpu->arch.walk_mmu = &vcpu->arch.root_mmu;
vcpu->arch.root_mmu.root_hpa = INVALID_PAGE;
- vcpu->arch.root_mmu.root_cr3 = 0;
+ vcpu->arch.root_mmu.root_pgd = 0;
vcpu->arch.root_mmu.translate_gpa = translate_gpa;
for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
vcpu->arch.root_mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID;
vcpu->arch.guest_mmu.root_hpa = INVALID_PAGE;
- vcpu->arch.guest_mmu.root_cr3 = 0;
+ vcpu->arch.guest_mmu.root_pgd = 0;
vcpu->arch.guest_mmu.translate_gpa = translate_gpa;
for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
vcpu->arch.guest_mmu.prev_roots[i] = KVM_MMU_ROOT_INFO_INVALID;
@@ -5859,7 +5852,8 @@ void kvm_zap_gfn_range(struct kvm *kvm, gfn_t gfn_start, gfn_t gfn_end)
continue;
slot_handle_level_range(kvm, memslot, kvm_zap_rmapp,
- PT_PAGE_TABLE_LEVEL, PT_MAX_HUGEPAGE_LEVEL,
+ PG_LEVEL_4K,
+ KVM_MAX_HUGEPAGE_LEVEL,
start, end - 1, true);
}
}
@@ -5881,7 +5875,7 @@ void kvm_mmu_slot_remove_write_access(struct kvm *kvm,
spin_lock(&kvm->mmu_lock);
flush = slot_handle_level(kvm, memslot, slot_rmap_write_protect,
- start_level, PT_MAX_HUGEPAGE_LEVEL, false);
+ start_level, KVM_MAX_HUGEPAGE_LEVEL, false);
spin_unlock(&kvm->mmu_lock);
/*
@@ -6142,27 +6136,18 @@ static void kvm_set_mmio_spte_mask(void)
u64 mask;
/*
- * Set the reserved bits and the present bit of an paging-structure
- * entry to generate page fault with PFER.RSV = 1.
+ * Set a reserved PA bit in MMIO SPTEs to generate page faults with
+ * PFEC.RSVD=1 on MMIO accesses. 64-bit PTEs (PAE, x86-64, and EPT
+ * paging) support a maximum of 52 bits of PA, i.e. if the CPU supports
+ * 52-bit physical addresses then there are no reserved PA bits in the
+ * PTEs and so the reserved PA approach must be disabled.
*/
+ if (shadow_phys_bits < 52)
+ mask = BIT_ULL(51) | PT_PRESENT_MASK;
+ else
+ mask = 0;
- /*
- * Mask the uppermost physical address bit, which would be reserved as
- * long as the supported physical address width is less than 52.
- */
- mask = 1ull << 51;
-
- /* Set the present bit. */
- mask |= 1ull;
-
- /*
- * If reserved bit is not supported, clear the present bit to disable
- * mmio page fault.
- */
- if (shadow_phys_bits == 52)
- mask &= ~1ull;
-
- kvm_mmu_set_mmio_spte_mask(mask, mask, ACC_WRITE_MASK | ACC_USER_MASK);
+ kvm_mmu_set_mmio_spte_mask(mask, ACC_WRITE_MASK | ACC_USER_MASK);
}
static bool get_nx_auto_mode(void)
diff --git a/arch/x86/kvm/mmu/page_track.c b/arch/x86/kvm/mmu/page_track.c
index ddc1ec3bdacd..a7bcde34d1f2 100644
--- a/arch/x86/kvm/mmu/page_track.c
+++ b/arch/x86/kvm/mmu/page_track.c
@@ -61,7 +61,7 @@ static void update_gfn_track(struct kvm_memory_slot *slot, gfn_t gfn,
{
int index, val;
- index = gfn_to_index(gfn, slot->base_gfn, PT_PAGE_TABLE_LEVEL);
+ index = gfn_to_index(gfn, slot->base_gfn, PG_LEVEL_4K);
val = slot->arch.gfn_track[mode][index];
@@ -151,7 +151,7 @@ bool kvm_page_track_is_active(struct kvm_vcpu *vcpu, gfn_t gfn,
if (!slot)
return false;
- index = gfn_to_index(gfn, slot->base_gfn, PT_PAGE_TABLE_LEVEL);
+ index = gfn_to_index(gfn, slot->base_gfn, PG_LEVEL_4K);
return !!READ_ONCE(slot->arch.gfn_track[mode][index]);
}
diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h
index 9bdf9b7d9a96..38c576495048 100644
--- a/arch/x86/kvm/mmu/paging_tmpl.h
+++ b/arch/x86/kvm/mmu/paging_tmpl.h
@@ -75,7 +75,7 @@
#define PT_GUEST_ACCESSED_MASK (1 << PT_GUEST_ACCESSED_SHIFT)
#define gpte_to_gfn_lvl FNAME(gpte_to_gfn_lvl)
-#define gpte_to_gfn(pte) gpte_to_gfn_lvl((pte), PT_PAGE_TABLE_LEVEL)
+#define gpte_to_gfn(pte) gpte_to_gfn_lvl((pte), PG_LEVEL_4K)
/*
* The guest_walker structure emulates the behavior of the hardware page
@@ -198,7 +198,7 @@ static bool FNAME(prefetch_invalid_gpte)(struct kvm_vcpu *vcpu,
!(gpte & PT_GUEST_ACCESSED_MASK))
goto no_present;
- if (FNAME(is_rsvd_bits_set)(vcpu->arch.mmu, gpte, PT_PAGE_TABLE_LEVEL))
+ if (FNAME(is_rsvd_bits_set)(vcpu->arch.mmu, gpte, PG_LEVEL_4K))
goto no_present;
return false;
@@ -436,7 +436,7 @@ retry_walk:
gfn = gpte_to_gfn_lvl(pte, walker->level);
gfn += (addr & PT_LVL_OFFSET_MASK(walker->level)) >> PAGE_SHIFT;
- if (PTTYPE == 32 && walker->level == PT_DIRECTORY_LEVEL && is_cpuid_PSE36())
+ if (PTTYPE == 32 && walker->level > PG_LEVEL_4K && is_cpuid_PSE36())
gfn += pse36_gfn_delta(pte);
real_gpa = mmu->translate_gpa(vcpu, gfn_to_gpa(gfn), access, &walker->fault);
@@ -552,7 +552,7 @@ FNAME(prefetch_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
* we call mmu_set_spte() with host_writable = true because
* pte_prefetch_gfn_to_pfn always gets a writable pfn.
*/
- mmu_set_spte(vcpu, spte, pte_access, 0, PT_PAGE_TABLE_LEVEL, gfn, pfn,
+ mmu_set_spte(vcpu, spte, pte_access, 0, PG_LEVEL_4K, gfn, pfn,
true, true);
kvm_release_pfn_clean(pfn);
@@ -575,7 +575,7 @@ static bool FNAME(gpte_changed)(struct kvm_vcpu *vcpu,
u64 mask;
int r, index;
- if (level == PT_PAGE_TABLE_LEVEL) {
+ if (level == PG_LEVEL_4K) {
mask = PTE_PREFETCH_NUM * sizeof(pt_element_t) - 1;
base_gpa = pte_gpa & ~mask;
index = (pte_gpa - base_gpa) / sizeof(pt_element_t);
@@ -600,7 +600,7 @@ static void FNAME(pte_prefetch)(struct kvm_vcpu *vcpu, struct guest_walker *gw,
sp = page_header(__pa(sptep));
- if (sp->role.level > PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level > PG_LEVEL_4K)
return;
if (sp->role.direct)
@@ -812,7 +812,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gpa_t addr, u32 error_code,
if (!r) {
pgprintk("%s: guest page fault\n", __func__);
if (!prefault)
- inject_page_fault(vcpu, &walker.fault);
+ kvm_inject_emulated_page_fault(vcpu, &walker.fault);
return RET_PF_RETRY;
}
@@ -828,7 +828,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gpa_t addr, u32 error_code,
&walker, user_fault, &vcpu->arch.write_fault_to_shadow_pgtable);
if (lpage_disallowed || is_self_change_mapping)
- max_level = PT_PAGE_TABLE_LEVEL;
+ max_level = PG_LEVEL_4K;
else
max_level = walker.level;
@@ -884,7 +884,7 @@ static gpa_t FNAME(get_level1_sp_gpa)(struct kvm_mmu_page *sp)
{
int offset = 0;
- WARN_ON(sp->role.level != PT_PAGE_TABLE_LEVEL);
+ WARN_ON(sp->role.level != PG_LEVEL_4K);
if (PTTYPE == 32)
offset = sp->role.quadrant << PT64_LEVEL_BITS;
@@ -1070,7 +1070,7 @@ static int FNAME(sync_page)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp)
host_writable = sp->spt[i] & SPTE_HOST_WRITEABLE;
set_spte_ret |= set_spte(vcpu, &sp->spt[i],
- pte_access, PT_PAGE_TABLE_LEVEL,
+ pte_access, PG_LEVEL_4K,
gfn, spte_to_pfn(sp->spt[i]),
true, false, host_writable);
}
diff --git a/arch/x86/kvm/mmu_audit.c b/arch/x86/kvm/mmu_audit.c
index ca39f62aabc6..9d2844f87f6d 100644
--- a/arch/x86/kvm/mmu_audit.c
+++ b/arch/x86/kvm/mmu_audit.c
@@ -100,7 +100,7 @@ static void audit_mappings(struct kvm_vcpu *vcpu, u64 *sptep, int level)
sp = page_header(__pa(sptep));
if (sp->unsync) {
- if (level != PT_PAGE_TABLE_LEVEL) {
+ if (level != PG_LEVEL_4K) {
audit_printk(vcpu->kvm, "unsync sp: %p "
"level = %d\n", sp, level);
return;
@@ -176,7 +176,7 @@ static void check_mappings_rmap(struct kvm *kvm, struct kvm_mmu_page *sp)
{
int i;
- if (sp->role.level != PT_PAGE_TABLE_LEVEL)
+ if (sp->role.level != PG_LEVEL_4K)
return;
for (i = 0; i < PT64_ENT_PER_PAGE; ++i) {
@@ -200,7 +200,7 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
slots = kvm_memslots_for_spte_role(kvm, sp->role);
slot = __gfn_to_memslot(slots, sp->gfn);
- rmap_head = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot);
+ rmap_head = __gfn_to_rmap(sp->gfn, PG_LEVEL_4K, slot);
for_each_rmap_spte(rmap_head, &iter, sptep) {
if (is_writable_pte(*sptep))
diff --git a/arch/x86/kvm/pmu.c b/arch/x86/kvm/pmu.c
index a5078841bdac..b86346903f2e 100644
--- a/arch/x86/kvm/pmu.c
+++ b/arch/x86/kvm/pmu.c
@@ -397,9 +397,9 @@ static void kvm_pmu_mark_pmc_in_use(struct kvm_vcpu *vcpu, u32 msr)
__set_bit(pmc->idx, pmu->pmc_in_use);
}
-int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
+int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
{
- return kvm_x86_ops.pmu_ops->get_msr(vcpu, msr, data);
+ return kvm_x86_ops.pmu_ops->get_msr(vcpu, msr_info);
}
int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index a6c78a797cb1..ab85eed8a6cc 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -32,7 +32,7 @@ struct kvm_pmu_ops {
struct kvm_pmc *(*msr_idx_to_pmc)(struct kvm_vcpu *vcpu, u32 msr);
int (*is_valid_rdpmc_ecx)(struct kvm_vcpu *vcpu, unsigned int idx);
bool (*is_valid_msr)(struct kvm_vcpu *vcpu, u32 msr);
- int (*get_msr)(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
+ int (*get_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
int (*set_msr)(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
void (*refresh)(struct kvm_vcpu *vcpu);
void (*init)(struct kvm_vcpu *vcpu);
@@ -147,7 +147,7 @@ void kvm_pmu_handle_event(struct kvm_vcpu *vcpu);
int kvm_pmu_rdpmc(struct kvm_vcpu *vcpu, unsigned pmc, u64 *data);
int kvm_pmu_is_valid_rdpmc_ecx(struct kvm_vcpu *vcpu, unsigned int idx);
bool kvm_pmu_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr);
-int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
+int kvm_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
int kvm_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info);
void kvm_pmu_refresh(struct kvm_vcpu *vcpu);
void kvm_pmu_reset(struct kvm_vcpu *vcpu);
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 90a1ca939627..8a6db11dcb43 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -19,11 +19,14 @@
#include <linux/kernel.h>
#include <asm/msr-index.h>
+#include <asm/debugreg.h>
#include "kvm_emulate.h"
#include "trace.h"
#include "mmu.h"
#include "x86.h"
+#include "cpuid.h"
+#include "lapic.h"
#include "svm.h"
static void nested_svm_inject_npf_exit(struct kvm_vcpu *vcpu,
@@ -58,7 +61,7 @@ static void nested_svm_inject_npf_exit(struct kvm_vcpu *vcpu,
static u64 nested_svm_get_tdp_pdptr(struct kvm_vcpu *vcpu, int index)
{
struct vcpu_svm *svm = to_svm(vcpu);
- u64 cr3 = svm->nested.nested_cr3;
+ u64 cr3 = svm->nested.ctl.nested_cr3;
u64 pdpte;
int ret;
@@ -73,19 +76,22 @@ static unsigned long nested_svm_get_tdp_cr3(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
- return svm->nested.nested_cr3;
+ return svm->nested.ctl.nested_cr3;
}
static void nested_svm_init_mmu_context(struct kvm_vcpu *vcpu)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ struct vmcb *hsave = svm->nested.hsave;
+
WARN_ON(mmu_is_nested(vcpu));
vcpu->arch.mmu = &vcpu->arch.guest_mmu;
- kvm_init_shadow_mmu(vcpu);
+ kvm_init_shadow_mmu(vcpu, X86_CR0_PG, hsave->save.cr4, hsave->save.efer);
vcpu->arch.mmu->get_guest_pgd = nested_svm_get_tdp_cr3;
vcpu->arch.mmu->get_pdptr = nested_svm_get_tdp_pdptr;
vcpu->arch.mmu->inject_page_fault = nested_svm_inject_npf_exit;
- vcpu->arch.mmu->shadow_root_level = kvm_x86_ops.get_tdp_level(vcpu);
+ vcpu->arch.mmu->shadow_root_level = vcpu->arch.tdp_level;
reset_shadow_zero_bits_mask(vcpu, vcpu->arch.mmu);
vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu;
}
@@ -98,8 +104,7 @@ static void nested_svm_uninit_mmu_context(struct kvm_vcpu *vcpu)
void recalc_intercepts(struct vcpu_svm *svm)
{
- struct vmcb_control_area *c, *h;
- struct nested_state *g;
+ struct vmcb_control_area *c, *h, *g;
mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
@@ -108,14 +113,16 @@ void recalc_intercepts(struct vcpu_svm *svm)
c = &svm->vmcb->control;
h = &svm->nested.hsave->control;
- g = &svm->nested;
+ g = &svm->nested.ctl;
+
+ svm->nested.host_intercept_exceptions = h->intercept_exceptions;
c->intercept_cr = h->intercept_cr;
c->intercept_dr = h->intercept_dr;
c->intercept_exceptions = h->intercept_exceptions;
c->intercept = h->intercept;
- if (svm->vcpu.arch.hflags & HF_VINTR_MASK) {
+ if (g->int_ctl & V_INTR_MASKING_MASK) {
/* We only want the cr8 intercept bits of L1 */
c->intercept_cr &= ~(1U << INTERCEPT_CR8_READ);
c->intercept_cr &= ~(1U << INTERCEPT_CR8_WRITE);
@@ -137,11 +144,9 @@ void recalc_intercepts(struct vcpu_svm *svm)
c->intercept |= g->intercept;
}
-static void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *from_vmcb)
+static void copy_vmcb_control_area(struct vmcb_control_area *dst,
+ struct vmcb_control_area *from)
{
- struct vmcb_control_area *dst = &dst_vmcb->control;
- struct vmcb_control_area *from = &from_vmcb->control;
-
dst->intercept_cr = from->intercept_cr;
dst->intercept_dr = from->intercept_dr;
dst->intercept_exceptions = from->intercept_exceptions;
@@ -149,7 +154,7 @@ static void copy_vmcb_control_area(struct vmcb *dst_vmcb, struct vmcb *from_vmcb
dst->iopm_base_pa = from->iopm_base_pa;
dst->msrpm_base_pa = from->msrpm_base_pa;
dst->tsc_offset = from->tsc_offset;
- dst->asid = from->asid;
+ /* asid not copied, it is handled manually for svm->vmcb. */
dst->tlb_ctl = from->tlb_ctl;
dst->int_ctl = from->int_ctl;
dst->int_vector = from->int_vector;
@@ -178,7 +183,7 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
*/
int i;
- if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
+ if (!(svm->nested.ctl.intercept & (1ULL << INTERCEPT_MSR_PROT)))
return true;
for (i = 0; i < MSRPM_OFFSETS; i++) {
@@ -189,7 +194,7 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
break;
p = msrpm_offsets[i];
- offset = svm->nested.vmcb_msrpm + (p * 4);
+ offset = svm->nested.ctl.msrpm_base_pa + (p * 4);
if (kvm_vcpu_read_guest(&svm->vcpu, offset, &value, 4))
return false;
@@ -202,41 +207,111 @@ static bool nested_svm_vmrun_msrpm(struct vcpu_svm *svm)
return true;
}
-static bool nested_vmcb_checks(struct vmcb *vmcb)
+static bool nested_vmcb_check_controls(struct vmcb_control_area *control)
{
- if ((vmcb->save.efer & EFER_SVME) == 0)
+ if ((control->intercept & (1ULL << INTERCEPT_VMRUN)) == 0)
return false;
- if ((vmcb->control.intercept & (1ULL << INTERCEPT_VMRUN)) == 0)
+ if (control->asid == 0)
return false;
- if (vmcb->control.asid == 0)
- return false;
-
- if ((vmcb->control.nested_ctl & SVM_NESTED_CTL_NP_ENABLE) &&
+ if ((control->nested_ctl & SVM_NESTED_CTL_NP_ENABLE) &&
!npt_enabled)
return false;
return true;
}
-void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
- struct vmcb *nested_vmcb, struct kvm_host_map *map)
+static bool nested_vmcb_checks(struct vmcb *vmcb)
{
- bool evaluate_pending_interrupts =
- is_intercept(svm, INTERCEPT_VINTR) ||
- is_intercept(svm, INTERCEPT_IRET);
+ if ((vmcb->save.efer & EFER_SVME) == 0)
+ return false;
- if (kvm_get_rflags(&svm->vcpu) & X86_EFLAGS_IF)
- svm->vcpu.arch.hflags |= HF_HIF_MASK;
- else
- svm->vcpu.arch.hflags &= ~HF_HIF_MASK;
+ if (((vmcb->save.cr0 & X86_CR0_CD) == 0) &&
+ (vmcb->save.cr0 & X86_CR0_NW))
+ return false;
- if (nested_vmcb->control.nested_ctl & SVM_NESTED_CTL_NP_ENABLE) {
- svm->nested.nested_cr3 = nested_vmcb->control.nested_cr3;
- nested_svm_init_mmu_context(&svm->vcpu);
+ return nested_vmcb_check_controls(&vmcb->control);
+}
+
+static void load_nested_vmcb_control(struct vcpu_svm *svm,
+ struct vmcb_control_area *control)
+{
+ copy_vmcb_control_area(&svm->nested.ctl, control);
+
+ /* Copy it here because nested_svm_check_controls will check it. */
+ svm->nested.ctl.asid = control->asid;
+ svm->nested.ctl.msrpm_base_pa &= ~0x0fffULL;
+ svm->nested.ctl.iopm_base_pa &= ~0x0fffULL;
+}
+
+/*
+ * Synchronize fields that are written by the processor, so that
+ * they can be copied back into the nested_vmcb.
+ */
+void sync_nested_vmcb_control(struct vcpu_svm *svm)
+{
+ u32 mask;
+ svm->nested.ctl.event_inj = svm->vmcb->control.event_inj;
+ svm->nested.ctl.event_inj_err = svm->vmcb->control.event_inj_err;
+
+ /* Only a few fields of int_ctl are written by the processor. */
+ mask = V_IRQ_MASK | V_TPR_MASK;
+ if (!(svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK) &&
+ is_intercept(svm, SVM_EXIT_VINTR)) {
+ /*
+ * In order to request an interrupt window, L0 is usurping
+ * svm->vmcb->control.int_ctl and possibly setting V_IRQ
+ * even if it was clear in L1's VMCB. Restoring it would be
+ * wrong. However, in this case V_IRQ will remain true until
+ * interrupt_window_interception calls svm_clear_vintr and
+ * restores int_ctl. We can just leave it aside.
+ */
+ mask &= ~V_IRQ_MASK;
}
+ svm->nested.ctl.int_ctl &= ~mask;
+ svm->nested.ctl.int_ctl |= svm->vmcb->control.int_ctl & mask;
+}
+
+/*
+ * Transfer any event that L0 or L1 wanted to inject into L2 to
+ * EXIT_INT_INFO.
+ */
+static void nested_vmcb_save_pending_event(struct vcpu_svm *svm,
+ struct vmcb *nested_vmcb)
+{
+ struct kvm_vcpu *vcpu = &svm->vcpu;
+ u32 exit_int_info = 0;
+ unsigned int nr;
+
+ if (vcpu->arch.exception.injected) {
+ nr = vcpu->arch.exception.nr;
+ exit_int_info = nr | SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_EXEPT;
+
+ if (vcpu->arch.exception.has_error_code) {
+ exit_int_info |= SVM_EVTINJ_VALID_ERR;
+ nested_vmcb->control.exit_int_info_err =
+ vcpu->arch.exception.error_code;
+ }
+
+ } else if (vcpu->arch.nmi_injected) {
+ exit_int_info = SVM_EVTINJ_VALID | SVM_EVTINJ_TYPE_NMI;
+ } else if (vcpu->arch.interrupt.injected) {
+ nr = vcpu->arch.interrupt.nr;
+ exit_int_info = nr | SVM_EVTINJ_VALID;
+
+ if (vcpu->arch.interrupt.soft)
+ exit_int_info |= SVM_EVTINJ_TYPE_SOFT;
+ else
+ exit_int_info |= SVM_EVTINJ_TYPE_INTR;
+ }
+
+ nested_vmcb->control.exit_int_info = exit_int_info;
+}
+
+static void nested_prepare_vmcb_save(struct vcpu_svm *svm, struct vmcb *nested_vmcb)
+{
/* Load the nested guest state */
svm->vmcb->save.es = nested_vmcb->save.es;
svm->vmcb->save.cs = nested_vmcb->save.cs;
@@ -248,14 +323,7 @@ void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
svm_set_efer(&svm->vcpu, nested_vmcb->save.efer);
svm_set_cr0(&svm->vcpu, nested_vmcb->save.cr0);
svm_set_cr4(&svm->vcpu, nested_vmcb->save.cr4);
- if (npt_enabled) {
- svm->vmcb->save.cr3 = nested_vmcb->save.cr3;
- svm->vcpu.arch.cr3 = nested_vmcb->save.cr3;
- } else
- (void)kvm_set_cr3(&svm->vcpu, nested_vmcb->save.cr3);
-
- /* Guest paging mode is active - reset mmu */
- kvm_mmu_reset_context(&svm->vcpu);
+ (void)kvm_set_cr3(&svm->vcpu, nested_vmcb->save.cr3);
svm->vmcb->save.cr2 = svm->vcpu.arch.cr2 = nested_vmcb->save.cr2;
kvm_rax_write(&svm->vcpu, nested_vmcb->save.rax);
@@ -267,40 +335,36 @@ void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
svm->vmcb->save.rsp = nested_vmcb->save.rsp;
svm->vmcb->save.rip = nested_vmcb->save.rip;
svm->vmcb->save.dr7 = nested_vmcb->save.dr7;
- svm->vmcb->save.dr6 = nested_vmcb->save.dr6;
+ svm->vcpu.arch.dr6 = nested_vmcb->save.dr6;
svm->vmcb->save.cpl = nested_vmcb->save.cpl;
+}
- svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa & ~0x0fffULL;
- svm->nested.vmcb_iopm = nested_vmcb->control.iopm_base_pa & ~0x0fffULL;
+static void nested_prepare_vmcb_control(struct vcpu_svm *svm)
+{
+ const u32 mask = V_INTR_MASKING_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK;
+ if (svm->nested.ctl.nested_ctl & SVM_NESTED_CTL_NP_ENABLE)
+ nested_svm_init_mmu_context(&svm->vcpu);
- /* cache intercepts */
- svm->nested.intercept_cr = nested_vmcb->control.intercept_cr;
- svm->nested.intercept_dr = nested_vmcb->control.intercept_dr;
- svm->nested.intercept_exceptions = nested_vmcb->control.intercept_exceptions;
- svm->nested.intercept = nested_vmcb->control.intercept;
+ /* Guest paging mode is active - reset mmu */
+ kvm_mmu_reset_context(&svm->vcpu);
- svm_flush_tlb(&svm->vcpu, true);
- svm->vmcb->control.int_ctl = nested_vmcb->control.int_ctl | V_INTR_MASKING_MASK;
- if (nested_vmcb->control.int_ctl & V_INTR_MASKING_MASK)
- svm->vcpu.arch.hflags |= HF_VINTR_MASK;
- else
- svm->vcpu.arch.hflags &= ~HF_VINTR_MASK;
+ svm_flush_tlb(&svm->vcpu);
- svm->vcpu.arch.tsc_offset += nested_vmcb->control.tsc_offset;
- svm->vmcb->control.tsc_offset = svm->vcpu.arch.tsc_offset;
+ svm->vmcb->control.tsc_offset = svm->vcpu.arch.tsc_offset =
+ svm->vcpu.arch.l1_tsc_offset + svm->nested.ctl.tsc_offset;
- svm->vmcb->control.virt_ext = nested_vmcb->control.virt_ext;
- svm->vmcb->control.int_vector = nested_vmcb->control.int_vector;
- svm->vmcb->control.int_state = nested_vmcb->control.int_state;
- svm->vmcb->control.event_inj = nested_vmcb->control.event_inj;
- svm->vmcb->control.event_inj_err = nested_vmcb->control.event_inj_err;
+ svm->vmcb->control.int_ctl =
+ (svm->nested.ctl.int_ctl & ~mask) |
+ (svm->nested.hsave->control.int_ctl & mask);
- svm->vmcb->control.pause_filter_count =
- nested_vmcb->control.pause_filter_count;
- svm->vmcb->control.pause_filter_thresh =
- nested_vmcb->control.pause_filter_thresh;
+ svm->vmcb->control.virt_ext = svm->nested.ctl.virt_ext;
+ svm->vmcb->control.int_vector = svm->nested.ctl.int_vector;
+ svm->vmcb->control.int_state = svm->nested.ctl.int_state;
+ svm->vmcb->control.event_inj = svm->nested.ctl.event_inj;
+ svm->vmcb->control.event_inj_err = svm->nested.ctl.event_inj_err;
- kvm_vcpu_unmap(&svm->vcpu, map, true);
+ svm->vmcb->control.pause_filter_count = svm->nested.ctl.pause_filter_count;
+ svm->vmcb->control.pause_filter_thresh = svm->nested.ctl.pause_filter_thresh;
/* Enter Guest-Mode */
enter_guest_mode(&svm->vcpu);
@@ -311,25 +375,18 @@ void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
*/
recalc_intercepts(svm);
- svm->nested.vmcb = vmcb_gpa;
+ mark_all_dirty(svm->vmcb);
+}
- /*
- * If L1 had a pending IRQ/NMI before executing VMRUN,
- * which wasn't delivered because it was disallowed (e.g.
- * interrupts disabled), L0 needs to evaluate if this pending
- * event should cause an exit from L2 to L1 or be delivered
- * directly to L2.
- *
- * Usually this would be handled by the processor noticing an
- * IRQ/NMI window request. However, VMRUN can unblock interrupts
- * by implicitly setting GIF, so force L0 to perform pending event
- * evaluation by requesting a KVM_REQ_EVENT.
- */
- enable_gif(svm);
- if (unlikely(evaluate_pending_interrupts))
- kvm_make_request(KVM_REQ_EVENT, &svm->vcpu);
+void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
+ struct vmcb *nested_vmcb)
+{
+ svm->nested.vmcb = vmcb_gpa;
+ load_nested_vmcb_control(svm, &nested_vmcb->control);
+ nested_prepare_vmcb_save(svm, nested_vmcb);
+ nested_prepare_vmcb_control(svm);
- mark_all_dirty(svm->vmcb);
+ svm_set_gif(svm, true);
}
int nested_svm_vmrun(struct vcpu_svm *svm)
@@ -341,8 +398,12 @@ int nested_svm_vmrun(struct vcpu_svm *svm)
struct kvm_host_map map;
u64 vmcb_gpa;
- vmcb_gpa = svm->vmcb->save.rax;
+ if (is_smm(&svm->vcpu)) {
+ kvm_queue_exception(&svm->vcpu, UD_VECTOR);
+ return 1;
+ }
+ vmcb_gpa = svm->vmcb->save.rax;
ret = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb_gpa), &map);
if (ret == -EINVAL) {
kvm_inject_gp(&svm->vcpu, 0);
@@ -360,10 +421,7 @@ int nested_svm_vmrun(struct vcpu_svm *svm)
nested_vmcb->control.exit_code_hi = 0;
nested_vmcb->control.exit_info_1 = 0;
nested_vmcb->control.exit_info_2 = 0;
-
- kvm_vcpu_unmap(&svm->vcpu, &map, true);
-
- return ret;
+ goto out;
}
trace_kvm_nested_vmrun(svm->vmcb->save.rip, vmcb_gpa,
@@ -403,9 +461,10 @@ int nested_svm_vmrun(struct vcpu_svm *svm)
else
hsave->save.cr3 = kvm_read_cr3(&svm->vcpu);
- copy_vmcb_control_area(hsave, vmcb);
+ copy_vmcb_control_area(&hsave->control, &vmcb->control);
- enter_svm_guest_mode(svm, vmcb_gpa, nested_vmcb, &map);
+ svm->nested.nested_run_pending = 1;
+ enter_svm_guest_mode(svm, vmcb_gpa, nested_vmcb);
if (!nested_svm_vmrun_msrpm(svm)) {
svm->vmcb->control.exit_code = SVM_EXIT_ERR;
@@ -416,6 +475,9 @@ int nested_svm_vmrun(struct vcpu_svm *svm)
nested_svm_vmexit(svm);
}
+out:
+ kvm_vcpu_unmap(&svm->vcpu, &map, true);
+
return ret;
}
@@ -443,13 +505,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
struct vmcb *vmcb = svm->vmcb;
struct kvm_host_map map;
- trace_kvm_nested_vmexit_inject(vmcb->control.exit_code,
- vmcb->control.exit_info_1,
- vmcb->control.exit_info_2,
- vmcb->control.exit_int_info,
- vmcb->control.exit_int_info_err,
- KVM_ISA_SVM);
-
rc = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(svm->nested.vmcb), &map);
if (rc) {
if (rc == -EINVAL)
@@ -462,9 +517,13 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
/* Exit Guest-Mode */
leave_guest_mode(&svm->vcpu);
svm->nested.vmcb = 0;
+ WARN_ON_ONCE(svm->nested.nested_run_pending);
+
+ /* in case we halted in L2 */
+ svm->vcpu.arch.mp_state = KVM_MP_STATE_RUNNABLE;
/* Give the current vmcb to the guest */
- disable_gif(svm);
+ svm_set_gif(svm, false);
nested_vmcb->save.es = vmcb->save.es;
nested_vmcb->save.cs = vmcb->save.cs;
@@ -478,62 +537,42 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
nested_vmcb->save.cr2 = vmcb->save.cr2;
nested_vmcb->save.cr4 = svm->vcpu.arch.cr4;
nested_vmcb->save.rflags = kvm_get_rflags(&svm->vcpu);
- nested_vmcb->save.rip = vmcb->save.rip;
- nested_vmcb->save.rsp = vmcb->save.rsp;
- nested_vmcb->save.rax = vmcb->save.rax;
+ nested_vmcb->save.rip = kvm_rip_read(&svm->vcpu);
+ nested_vmcb->save.rsp = kvm_rsp_read(&svm->vcpu);
+ nested_vmcb->save.rax = kvm_rax_read(&svm->vcpu);
nested_vmcb->save.dr7 = vmcb->save.dr7;
- nested_vmcb->save.dr6 = vmcb->save.dr6;
+ nested_vmcb->save.dr6 = svm->vcpu.arch.dr6;
nested_vmcb->save.cpl = vmcb->save.cpl;
- nested_vmcb->control.int_ctl = vmcb->control.int_ctl;
- nested_vmcb->control.int_vector = vmcb->control.int_vector;
nested_vmcb->control.int_state = vmcb->control.int_state;
nested_vmcb->control.exit_code = vmcb->control.exit_code;
nested_vmcb->control.exit_code_hi = vmcb->control.exit_code_hi;
nested_vmcb->control.exit_info_1 = vmcb->control.exit_info_1;
nested_vmcb->control.exit_info_2 = vmcb->control.exit_info_2;
- nested_vmcb->control.exit_int_info = vmcb->control.exit_int_info;
- nested_vmcb->control.exit_int_info_err = vmcb->control.exit_int_info_err;
+
+ if (nested_vmcb->control.exit_code != SVM_EXIT_ERR)
+ nested_vmcb_save_pending_event(svm, nested_vmcb);
if (svm->nrips_enabled)
nested_vmcb->control.next_rip = vmcb->control.next_rip;
- /*
- * If we emulate a VMRUN/#VMEXIT in the same host #vmexit cycle we have
- * to make sure that we do not lose injected events. So check event_inj
- * here and copy it to exit_int_info if it is valid.
- * Exit_int_info and event_inj can't be both valid because the case
- * below only happens on a VMRUN instruction intercept which has
- * no valid exit_int_info set.
- */
- if (vmcb->control.event_inj & SVM_EVTINJ_VALID) {
- struct vmcb_control_area *nc = &nested_vmcb->control;
-
- nc->exit_int_info = vmcb->control.event_inj;
- nc->exit_int_info_err = vmcb->control.event_inj_err;
- }
-
- nested_vmcb->control.tlb_ctl = 0;
- nested_vmcb->control.event_inj = 0;
- nested_vmcb->control.event_inj_err = 0;
+ nested_vmcb->control.int_ctl = svm->nested.ctl.int_ctl;
+ nested_vmcb->control.tlb_ctl = svm->nested.ctl.tlb_ctl;
+ nested_vmcb->control.event_inj = svm->nested.ctl.event_inj;
+ nested_vmcb->control.event_inj_err = svm->nested.ctl.event_inj_err;
nested_vmcb->control.pause_filter_count =
svm->vmcb->control.pause_filter_count;
nested_vmcb->control.pause_filter_thresh =
svm->vmcb->control.pause_filter_thresh;
- /* We always set V_INTR_MASKING and remember the old value in hflags */
- if (!(svm->vcpu.arch.hflags & HF_VINTR_MASK))
- nested_vmcb->control.int_ctl &= ~V_INTR_MASKING_MASK;
-
/* Restore the original control entries */
- copy_vmcb_control_area(vmcb, hsave);
+ copy_vmcb_control_area(&vmcb->control, &hsave->control);
- svm->vcpu.arch.tsc_offset = svm->vmcb->control.tsc_offset;
- kvm_clear_exception_queue(&svm->vcpu);
- kvm_clear_interrupt_queue(&svm->vcpu);
+ svm->vmcb->control.tsc_offset = svm->vcpu.arch.tsc_offset =
+ svm->vcpu.arch.l1_tsc_offset;
- svm->nested.nested_cr3 = 0;
+ svm->nested.ctl.nested_cr3 = 0;
/* Restore selected save entries */
svm->vmcb->save.es = hsave->save.es;
@@ -561,6 +600,13 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
mark_all_dirty(svm->vmcb);
+ trace_kvm_nested_vmexit_inject(nested_vmcb->control.exit_code,
+ nested_vmcb->control.exit_info_1,
+ nested_vmcb->control.exit_info_2,
+ nested_vmcb->control.exit_int_info,
+ nested_vmcb->control.exit_int_info_err,
+ KVM_ISA_SVM);
+
kvm_vcpu_unmap(&svm->vcpu, &map, true);
nested_svm_uninit_mmu_context(&svm->vcpu);
@@ -578,12 +624,28 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
return 0;
}
+/*
+ * Forcibly leave nested mode in order to be able to reset the VCPU later on.
+ */
+void svm_leave_nested(struct vcpu_svm *svm)
+{
+ if (is_guest_mode(&svm->vcpu)) {
+ struct vmcb *hsave = svm->nested.hsave;
+ struct vmcb *vmcb = svm->vmcb;
+
+ svm->nested.nested_run_pending = 0;
+ leave_guest_mode(&svm->vcpu);
+ copy_vmcb_control_area(&vmcb->control, &hsave->control);
+ nested_svm_uninit_mmu_context(&svm->vcpu);
+ }
+}
+
static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
{
u32 offset, msr, value;
int write, mask;
- if (!(svm->nested.intercept & (1ULL << INTERCEPT_MSR_PROT)))
+ if (!(svm->nested.ctl.intercept & (1ULL << INTERCEPT_MSR_PROT)))
return NESTED_EXIT_HOST;
msr = svm->vcpu.arch.regs[VCPU_REGS_RCX];
@@ -597,37 +659,12 @@ static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
/* Offset is in 32 bit units but need in 8 bit units */
offset *= 4;
- if (kvm_vcpu_read_guest(&svm->vcpu, svm->nested.vmcb_msrpm + offset, &value, 4))
+ if (kvm_vcpu_read_guest(&svm->vcpu, svm->nested.ctl.msrpm_base_pa + offset, &value, 4))
return NESTED_EXIT_DONE;
return (value & mask) ? NESTED_EXIT_DONE : NESTED_EXIT_HOST;
}
-/* DB exceptions for our internal use must not cause vmexit */
-static int nested_svm_intercept_db(struct vcpu_svm *svm)
-{
- unsigned long dr6;
-
- /* if we're not singlestepping, it's not ours */
- if (!svm->nmi_singlestep)
- return NESTED_EXIT_DONE;
-
- /* if it's not a singlestep exception, it's not ours */
- if (kvm_get_dr(&svm->vcpu, 6, &dr6))
- return NESTED_EXIT_DONE;
- if (!(dr6 & DR6_BS))
- return NESTED_EXIT_DONE;
-
- /* if the guest is singlestepping, it should get the vmexit */
- if (svm->nmi_singlestep_guest_rflags & X86_EFLAGS_TF) {
- disable_nmi_singlestep(svm);
- return NESTED_EXIT_DONE;
- }
-
- /* it's ours, the nested hypervisor must not see this one */
- return NESTED_EXIT_HOST;
-}
-
static int nested_svm_intercept_ioio(struct vcpu_svm *svm)
{
unsigned port, size, iopm_len;
@@ -635,13 +672,13 @@ static int nested_svm_intercept_ioio(struct vcpu_svm *svm)
u8 start_bit;
u64 gpa;
- if (!(svm->nested.intercept & (1ULL << INTERCEPT_IOIO_PROT)))
+ if (!(svm->nested.ctl.intercept & (1ULL << INTERCEPT_IOIO_PROT)))
return NESTED_EXIT_HOST;
port = svm->vmcb->control.exit_info_1 >> 16;
size = (svm->vmcb->control.exit_info_1 & SVM_IOIO_SIZE_MASK) >>
SVM_IOIO_SIZE_SHIFT;
- gpa = svm->nested.vmcb_iopm + (port / 8);
+ gpa = svm->nested.ctl.iopm_base_pa + (port / 8);
start_bit = port % 8;
iopm_len = (start_bit + size > 8) ? 2 : 1;
mask = (0xf >> (4 - size)) << start_bit;
@@ -667,28 +704,23 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
break;
case SVM_EXIT_READ_CR0 ... SVM_EXIT_WRITE_CR8: {
u32 bit = 1U << (exit_code - SVM_EXIT_READ_CR0);
- if (svm->nested.intercept_cr & bit)
+ if (svm->nested.ctl.intercept_cr & bit)
vmexit = NESTED_EXIT_DONE;
break;
}
case SVM_EXIT_READ_DR0 ... SVM_EXIT_WRITE_DR7: {
u32 bit = 1U << (exit_code - SVM_EXIT_READ_DR0);
- if (svm->nested.intercept_dr & bit)
+ if (svm->nested.ctl.intercept_dr & bit)
vmexit = NESTED_EXIT_DONE;
break;
}
case SVM_EXIT_EXCP_BASE ... SVM_EXIT_EXCP_BASE + 0x1f: {
- u32 excp_bits = 1 << (exit_code - SVM_EXIT_EXCP_BASE);
- if (svm->nested.intercept_exceptions & excp_bits) {
- if (exit_code == SVM_EXIT_EXCP_BASE + DB_VECTOR)
- vmexit = nested_svm_intercept_db(svm);
- else
- vmexit = NESTED_EXIT_DONE;
- }
- /* async page fault always cause vmexit */
- else if ((exit_code == SVM_EXIT_EXCP_BASE + PF_VECTOR) &&
- svm->vcpu.arch.exception.nested_apf != 0)
- vmexit = NESTED_EXIT_DONE;
+ /*
+ * Host-intercepted exceptions have been checked already in
+ * nested_svm_exit_special. There is nothing to do here,
+ * the vmexit is injected by svm_check_nested_events.
+ */
+ vmexit = NESTED_EXIT_DONE;
break;
}
case SVM_EXIT_ERR: {
@@ -697,7 +729,7 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
}
default: {
u64 exit_bits = 1ULL << (exit_code - SVM_EXIT_INTR);
- if (svm->nested.intercept & exit_bits)
+ if (svm->nested.ctl.intercept & exit_bits)
vmexit = NESTED_EXIT_DONE;
}
}
@@ -733,62 +765,140 @@ int nested_svm_check_permissions(struct vcpu_svm *svm)
return 0;
}
-int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
- bool has_error_code, u32 error_code)
+static bool nested_exit_on_exception(struct vcpu_svm *svm)
{
- int vmexit;
+ unsigned int nr = svm->vcpu.arch.exception.nr;
- if (!is_guest_mode(&svm->vcpu))
- return 0;
+ return (svm->nested.ctl.intercept_exceptions & (1 << nr));
+}
- vmexit = nested_svm_intercept(svm);
- if (vmexit != NESTED_EXIT_DONE)
- return 0;
+static void nested_svm_inject_exception_vmexit(struct vcpu_svm *svm)
+{
+ unsigned int nr = svm->vcpu.arch.exception.nr;
svm->vmcb->control.exit_code = SVM_EXIT_EXCP_BASE + nr;
svm->vmcb->control.exit_code_hi = 0;
- svm->vmcb->control.exit_info_1 = error_code;
+
+ if (svm->vcpu.arch.exception.has_error_code)
+ svm->vmcb->control.exit_info_1 = svm->vcpu.arch.exception.error_code;
/*
* EXITINFO2 is undefined for all exception intercepts other
* than #PF.
*/
- if (svm->vcpu.arch.exception.nested_apf)
- svm->vmcb->control.exit_info_2 = svm->vcpu.arch.apf.nested_apf_token;
- else if (svm->vcpu.arch.exception.has_payload)
- svm->vmcb->control.exit_info_2 = svm->vcpu.arch.exception.payload;
- else
- svm->vmcb->control.exit_info_2 = svm->vcpu.arch.cr2;
+ if (nr == PF_VECTOR) {
+ if (svm->vcpu.arch.exception.nested_apf)
+ svm->vmcb->control.exit_info_2 = svm->vcpu.arch.apf.nested_apf_token;
+ else if (svm->vcpu.arch.exception.has_payload)
+ svm->vmcb->control.exit_info_2 = svm->vcpu.arch.exception.payload;
+ else
+ svm->vmcb->control.exit_info_2 = svm->vcpu.arch.cr2;
+ } else if (nr == DB_VECTOR) {
+ /* See inject_pending_event. */
+ kvm_deliver_exception_payload(&svm->vcpu);
+ if (svm->vcpu.arch.dr7 & DR7_GD) {
+ svm->vcpu.arch.dr7 &= ~DR7_GD;
+ kvm_update_dr7(&svm->vcpu);
+ }
+ } else
+ WARN_ON(svm->vcpu.arch.exception.has_payload);
- svm->nested.exit_required = true;
- return vmexit;
+ nested_svm_vmexit(svm);
+}
+
+static void nested_svm_smi(struct vcpu_svm *svm)
+{
+ svm->vmcb->control.exit_code = SVM_EXIT_SMI;
+ svm->vmcb->control.exit_info_1 = 0;
+ svm->vmcb->control.exit_info_2 = 0;
+
+ nested_svm_vmexit(svm);
+}
+
+static void nested_svm_nmi(struct vcpu_svm *svm)
+{
+ svm->vmcb->control.exit_code = SVM_EXIT_NMI;
+ svm->vmcb->control.exit_info_1 = 0;
+ svm->vmcb->control.exit_info_2 = 0;
+
+ nested_svm_vmexit(svm);
}
static void nested_svm_intr(struct vcpu_svm *svm)
{
+ trace_kvm_nested_intr_vmexit(svm->vmcb->save.rip);
+
svm->vmcb->control.exit_code = SVM_EXIT_INTR;
svm->vmcb->control.exit_info_1 = 0;
svm->vmcb->control.exit_info_2 = 0;
- /* nested_svm_vmexit this gets called afterwards from handle_exit */
- svm->nested.exit_required = true;
- trace_kvm_nested_intr_vmexit(svm->vmcb->save.rip);
+ nested_svm_vmexit(svm);
}
-static bool nested_exit_on_intr(struct vcpu_svm *svm)
+static inline bool nested_exit_on_init(struct vcpu_svm *svm)
{
- return (svm->nested.intercept & 1ULL);
+ return (svm->nested.ctl.intercept & (1ULL << INTERCEPT_INIT));
}
-int svm_check_nested_events(struct kvm_vcpu *vcpu)
+static void nested_svm_init(struct vcpu_svm *svm)
+{
+ svm->vmcb->control.exit_code = SVM_EXIT_INIT;
+ svm->vmcb->control.exit_info_1 = 0;
+ svm->vmcb->control.exit_info_2 = 0;
+
+ nested_svm_vmexit(svm);
+}
+
+
+static int svm_check_nested_events(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
bool block_nested_events =
- kvm_event_needs_reinjection(vcpu) || svm->nested.exit_required;
+ kvm_event_needs_reinjection(vcpu) || svm->nested.nested_run_pending;
+ struct kvm_lapic *apic = vcpu->arch.apic;
- if (kvm_cpu_has_interrupt(vcpu) && nested_exit_on_intr(svm)) {
+ if (lapic_in_kernel(vcpu) &&
+ test_bit(KVM_APIC_INIT, &apic->pending_events)) {
if (block_nested_events)
return -EBUSY;
+ if (!nested_exit_on_init(svm))
+ return 0;
+ nested_svm_init(svm);
+ return 0;
+ }
+
+ if (vcpu->arch.exception.pending) {
+ if (block_nested_events)
+ return -EBUSY;
+ if (!nested_exit_on_exception(svm))
+ return 0;
+ nested_svm_inject_exception_vmexit(svm);
+ return 0;
+ }
+
+ if (vcpu->arch.smi_pending && !svm_smi_blocked(vcpu)) {
+ if (block_nested_events)
+ return -EBUSY;
+ if (!nested_exit_on_smi(svm))
+ return 0;
+ nested_svm_smi(svm);
+ return 0;
+ }
+
+ if (vcpu->arch.nmi_pending && !svm_nmi_blocked(vcpu)) {
+ if (block_nested_events)
+ return -EBUSY;
+ if (!nested_exit_on_nmi(svm))
+ return 0;
+ nested_svm_nmi(svm);
+ return 0;
+ }
+
+ if (kvm_cpu_has_interrupt(vcpu) && !svm_interrupt_blocked(vcpu)) {
+ if (block_nested_events)
+ return -EBUSY;
+ if (!nested_exit_on_intr(svm))
+ return 0;
nested_svm_intr(svm);
return 0;
}
@@ -803,21 +913,170 @@ int nested_svm_exit_special(struct vcpu_svm *svm)
switch (exit_code) {
case SVM_EXIT_INTR:
case SVM_EXIT_NMI:
- case SVM_EXIT_EXCP_BASE + MC_VECTOR:
- return NESTED_EXIT_HOST;
case SVM_EXIT_NPF:
- /* For now we are always handling NPFs when using them */
- if (npt_enabled)
+ return NESTED_EXIT_HOST;
+ case SVM_EXIT_EXCP_BASE ... SVM_EXIT_EXCP_BASE + 0x1f: {
+ u32 excp_bits = 1 << (exit_code - SVM_EXIT_EXCP_BASE);
+
+ if (get_host_vmcb(svm)->control.intercept_exceptions & excp_bits)
return NESTED_EXIT_HOST;
- break;
- case SVM_EXIT_EXCP_BASE + PF_VECTOR:
- /* When we're shadowing, trap PFs, but not async PF */
- if (!npt_enabled && svm->vcpu.arch.apf.host_apf_reason == 0)
+ else if (exit_code == SVM_EXIT_EXCP_BASE + PF_VECTOR &&
+ svm->vcpu.arch.apf.host_apf_flags)
+ /* Trap async PF even if not shadowing */
return NESTED_EXIT_HOST;
break;
+ }
default:
break;
}
return NESTED_EXIT_CONTINUE;
}
+
+static int svm_get_nested_state(struct kvm_vcpu *vcpu,
+ struct kvm_nested_state __user *user_kvm_nested_state,
+ u32 user_data_size)
+{
+ struct vcpu_svm *svm;
+ struct kvm_nested_state kvm_state = {
+ .flags = 0,
+ .format = KVM_STATE_NESTED_FORMAT_SVM,
+ .size = sizeof(kvm_state),
+ };
+ struct vmcb __user *user_vmcb = (struct vmcb __user *)
+ &user_kvm_nested_state->data.svm[0];
+
+ if (!vcpu)
+ return kvm_state.size + KVM_STATE_NESTED_SVM_VMCB_SIZE;
+
+ svm = to_svm(vcpu);
+
+ if (user_data_size < kvm_state.size)
+ goto out;
+
+ /* First fill in the header and copy it out. */
+ if (is_guest_mode(vcpu)) {
+ kvm_state.hdr.svm.vmcb_pa = svm->nested.vmcb;
+ kvm_state.size += KVM_STATE_NESTED_SVM_VMCB_SIZE;
+ kvm_state.flags |= KVM_STATE_NESTED_GUEST_MODE;
+
+ if (svm->nested.nested_run_pending)
+ kvm_state.flags |= KVM_STATE_NESTED_RUN_PENDING;
+ }
+
+ if (gif_set(svm))
+ kvm_state.flags |= KVM_STATE_NESTED_GIF_SET;
+
+ if (copy_to_user(user_kvm_nested_state, &kvm_state, sizeof(kvm_state)))
+ return -EFAULT;
+
+ if (!is_guest_mode(vcpu))
+ goto out;
+
+ /*
+ * Copy over the full size of the VMCB rather than just the size
+ * of the structs.
+ */
+ if (clear_user(user_vmcb, KVM_STATE_NESTED_SVM_VMCB_SIZE))
+ return -EFAULT;
+ if (copy_to_user(&user_vmcb->control, &svm->nested.ctl,
+ sizeof(user_vmcb->control)))
+ return -EFAULT;
+ if (copy_to_user(&user_vmcb->save, &svm->nested.hsave->save,
+ sizeof(user_vmcb->save)))
+ return -EFAULT;
+
+out:
+ return kvm_state.size;
+}
+
+static int svm_set_nested_state(struct kvm_vcpu *vcpu,
+ struct kvm_nested_state __user *user_kvm_nested_state,
+ struct kvm_nested_state *kvm_state)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ struct vmcb *hsave = svm->nested.hsave;
+ struct vmcb __user *user_vmcb = (struct vmcb __user *)
+ &user_kvm_nested_state->data.svm[0];
+ struct vmcb_control_area ctl;
+ struct vmcb_save_area save;
+ u32 cr0;
+
+ if (kvm_state->format != KVM_STATE_NESTED_FORMAT_SVM)
+ return -EINVAL;
+
+ if (kvm_state->flags & ~(KVM_STATE_NESTED_GUEST_MODE |
+ KVM_STATE_NESTED_RUN_PENDING |
+ KVM_STATE_NESTED_GIF_SET))
+ return -EINVAL;
+
+ /*
+ * If in guest mode, vcpu->arch.efer actually refers to the L2 guest's
+ * EFER.SVME, but EFER.SVME still has to be 1 for VMRUN to succeed.
+ */
+ if (!(vcpu->arch.efer & EFER_SVME)) {
+ /* GIF=1 and no guest mode are required if SVME=0. */
+ if (kvm_state->flags != KVM_STATE_NESTED_GIF_SET)
+ return -EINVAL;
+ }
+
+ /* SMM temporarily disables SVM, so we cannot be in guest mode. */
+ if (is_smm(vcpu) && (kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE))
+ return -EINVAL;
+
+ if (!(kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE)) {
+ svm_leave_nested(svm);
+ goto out_set_gif;
+ }
+
+ if (!page_address_valid(vcpu, kvm_state->hdr.svm.vmcb_pa))
+ return -EINVAL;
+ if (kvm_state->size < sizeof(*kvm_state) + KVM_STATE_NESTED_SVM_VMCB_SIZE)
+ return -EINVAL;
+ if (copy_from_user(&ctl, &user_vmcb->control, sizeof(ctl)))
+ return -EFAULT;
+ if (copy_from_user(&save, &user_vmcb->save, sizeof(save)))
+ return -EFAULT;
+
+ if (!nested_vmcb_check_controls(&ctl))
+ return -EINVAL;
+
+ /*
+ * Processor state contains L2 state. Check that it is
+ * valid for guest mode (see nested_vmcb_checks).
+ */
+ cr0 = kvm_read_cr0(vcpu);
+ if (((cr0 & X86_CR0_CD) == 0) && (cr0 & X86_CR0_NW))
+ return -EINVAL;
+
+ /*
+ * Validate host state saved from before VMRUN (see
+ * nested_svm_check_permissions).
+ * TODO: validate reserved bits for all saved state.
+ */
+ if (!(save.cr0 & X86_CR0_PG))
+ return -EINVAL;
+
+ /*
+ * All checks done, we can enter guest mode. L1 control fields
+ * come from the nested save state. Guest state is already
+ * in the registers, the save area of the nested state instead
+ * contains saved L1 state.
+ */
+ copy_vmcb_control_area(&hsave->control, &svm->vmcb->control);
+ hsave->save = save;
+
+ svm->nested.vmcb = kvm_state->hdr.svm.vmcb_pa;
+ load_nested_vmcb_control(svm, &ctl);
+ nested_prepare_vmcb_control(svm);
+
+out_set_gif:
+ svm_set_gif(svm, !!(kvm_state->flags & KVM_STATE_NESTED_GIF_SET));
+ return 0;
+}
+
+struct kvm_x86_nested_ops svm_nested_ops = {
+ .check_events = svm_check_nested_events,
+ .get_state = svm_get_nested_state,
+ .set_state = svm_set_nested_state,
+};
diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
index ce0b10fe5e2b..035da07500e8 100644
--- a/arch/x86/kvm/svm/pmu.c
+++ b/arch/x86/kvm/svm/pmu.c
@@ -215,21 +215,22 @@ static struct kvm_pmc *amd_msr_idx_to_pmc(struct kvm_vcpu *vcpu, u32 msr)
return pmc;
}
-static int amd_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
+static int amd_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
{
struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
struct kvm_pmc *pmc;
+ u32 msr = msr_info->index;
/* MSR_PERFCTRn */
pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);
if (pmc) {
- *data = pmc_read_counter(pmc);
+ msr_info->data = pmc_read_counter(pmc);
return 0;
}
/* MSR_EVNTSELn */
pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_EVNTSEL);
if (pmc) {
- *data = pmc->eventsel;
+ msr_info->data = pmc->eventsel;
return 0;
}
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 0e3fc311d7da..5573a97f1520 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/highmem.h>
#include <linux/psp-sev.h>
+#include <linux/pagemap.h>
#include <linux/swap.h>
#include "x86.h"
@@ -335,8 +336,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
/* Avoid using vmalloc for smaller buffers. */
size = npages * sizeof(struct page *);
if (size > PAGE_SIZE)
- pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO,
- PAGE_KERNEL);
+ pages = __vmalloc(size, GFP_KERNEL_ACCOUNT | __GFP_ZERO);
else
pages = kmalloc(size, GFP_KERNEL_ACCOUNT);
@@ -344,7 +344,7 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
return NULL;
/* Pin the user virtual address. */
- npinned = get_user_pages_fast(uaddr, npages, FOLL_WRITE, pages);
+ npinned = get_user_pages_fast(uaddr, npages, write ? FOLL_WRITE : 0, pages);
if (npinned != npages) {
pr_err("SEV: Failure locking %lu pages.\n", npages);
goto err;
@@ -1117,7 +1117,7 @@ int __init sev_hardware_setup(void)
/* Maximum number of encrypted guests supported simultaneously */
max_sev_asid = cpuid_ecx(0x8000001F);
- if (!max_sev_asid)
+ if (!svm_sev_enabled())
return 1;
/* Minimum ASID value that should be used for SEV guest */
@@ -1156,6 +1156,9 @@ err:
void sev_hardware_teardown(void)
{
+ if (!svm_sev_enabled())
+ return;
+
bitmap_free(sev_asid_bitmap);
bitmap_free(sev_reclaim_asid_bitmap);
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 2be5bbae3a40..9e333b91ff78 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -33,6 +33,7 @@
#include <asm/debugreg.h>
#include <asm/kvm_para.h>
#include <asm/irq_remapping.h>
+#include <asm/mce.h>
#include <asm/spec-ctrl.h>
#include <asm/cpu_device_id.h>
@@ -264,6 +265,7 @@ static int get_npt_level(struct kvm_vcpu *vcpu)
void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
+ struct vcpu_svm *svm = to_svm(vcpu);
vcpu->arch.efer = efer;
if (!npt_enabled) {
@@ -274,8 +276,13 @@ void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
efer &= ~EFER_LME;
}
- to_svm(vcpu)->vmcb->save.efer = efer | EFER_SVME;
- mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR);
+ if (!(efer & EFER_SVME)) {
+ svm_leave_nested(svm);
+ svm_set_gif(svm, true);
+ }
+
+ svm->vmcb->save.efer = efer | EFER_SVME;
+ mark_dirty(svm->vmcb, VMCB_CR);
}
static int is_external_interrupt(u32 info)
@@ -318,9 +325,6 @@ static int skip_emulated_instruction(struct kvm_vcpu *vcpu)
if (!kvm_emulate_instruction(vcpu, EMULTYPE_SKIP))
return 0;
} else {
- if (svm->next_rip - kvm_rip_read(vcpu) > MAX_INST_SIZE)
- pr_err("%s: ip 0x%lx next 0x%llx\n",
- __func__, kvm_rip_read(vcpu), svm->next_rip);
kvm_rip_write(vcpu, svm->next_rip);
}
svm_set_interrupt_shadow(vcpu, 0);
@@ -333,17 +337,8 @@ static void svm_queue_exception(struct kvm_vcpu *vcpu)
struct vcpu_svm *svm = to_svm(vcpu);
unsigned nr = vcpu->arch.exception.nr;
bool has_error_code = vcpu->arch.exception.has_error_code;
- bool reinject = vcpu->arch.exception.injected;
u32 error_code = vcpu->arch.exception.error_code;
- /*
- * If we are within a nested VM we'd better #VMEXIT and let the guest
- * handle the exception
- */
- if (!reinject &&
- nested_svm_check_exception(svm, nr, has_error_code, error_code))
- return;
-
kvm_deliver_exception_payload(&svm->vcpu);
if (nr == BP_VECTOR && !nrips) {
@@ -780,7 +775,7 @@ static __init void svm_adjust_mmio_mask(void)
*/
mask = (mask_bit < 52) ? rsvd_bits(mask_bit, 51) | PT_PRESENT_MASK : 0;
- kvm_mmu_set_mmio_spte_mask(mask, mask, PT_WRITABLE_MASK | PT_USER_MASK);
+ kvm_mmu_set_mmio_spte_mask(mask, PT_WRITABLE_MASK | PT_USER_MASK);
}
static void svm_hardware_teardown(void)
@@ -890,7 +885,7 @@ static __init int svm_hardware_setup(void)
if (npt_enabled && !npt)
npt_enabled = false;
- kvm_configure_mmu(npt_enabled, PT_PDPE_LEVEL);
+ kvm_configure_mmu(npt_enabled, PG_LEVEL_1G);
pr_info("kvm: Nested Paging %sabled\n", npt_enabled ? "en" : "dis");
if (nrips) {
@@ -953,16 +948,6 @@ static void init_sys_seg(struct vmcb_seg *seg, uint32_t type)
seg->base = 0;
}
-static u64 svm_read_l1_tsc_offset(struct kvm_vcpu *vcpu)
-{
- struct vcpu_svm *svm = to_svm(vcpu);
-
- if (is_guest_mode(vcpu))
- return svm->nested.hsave->control.tsc_offset;
-
- return vcpu->arch.tsc_offset;
-}
-
static u64 svm_write_l1_tsc_offset(struct kvm_vcpu *vcpu, u64 offset)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -1208,6 +1193,7 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
svm->avic_is_running = true;
svm->nested.hsave = page_address(hsave_page);
+ clear_page(svm->nested.hsave);
svm->msrpm = page_address(msrpm_pages);
svm_vcpu_init_msrpm(svm->msrpm);
@@ -1364,12 +1350,13 @@ static void svm_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
}
}
-static inline void svm_enable_vintr(struct vcpu_svm *svm)
+static void svm_set_vintr(struct vcpu_svm *svm)
{
struct vmcb_control_area *control;
/* The following fields are ignored when AVIC is enabled */
WARN_ON(kvm_vcpu_apicv_active(&svm->vcpu));
+ set_intercept(svm, INTERCEPT_VINTR);
/*
* This is just a dummy VINTR to actually cause a vmexit to happen.
@@ -1383,18 +1370,19 @@ static inline void svm_enable_vintr(struct vcpu_svm *svm)
mark_dirty(svm->vmcb, VMCB_INTR);
}
-static void svm_set_vintr(struct vcpu_svm *svm)
-{
- set_intercept(svm, INTERCEPT_VINTR);
- if (is_intercept(svm, INTERCEPT_VINTR))
- svm_enable_vintr(svm);
-}
-
static void svm_clear_vintr(struct vcpu_svm *svm)
{
+ const u32 mask = V_TPR_MASK | V_GIF_ENABLE_MASK | V_GIF_MASK | V_INTR_MASKING_MASK;
clr_intercept(svm, INTERCEPT_VINTR);
- svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;
+ /* Drop int_ctl fields related to VINTR injection. */
+ svm->vmcb->control.int_ctl &= mask;
+ if (is_guest_mode(&svm->vcpu)) {
+ WARN_ON((svm->vmcb->control.int_ctl & V_TPR_MASK) !=
+ (svm->nested.ctl.int_ctl & V_TPR_MASK));
+ svm->vmcb->control.int_ctl |= svm->nested.ctl.int_ctl & ~mask;
+ }
+
mark_dirty(svm->vmcb, VMCB_INTR);
}
@@ -1533,14 +1521,6 @@ static void svm_set_gdt(struct kvm_vcpu *vcpu, struct desc_ptr *dt)
mark_dirty(svm->vmcb, VMCB_DT);
}
-static void svm_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
-{
-}
-
-static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
-{
-}
-
static void update_cr0_intercept(struct vcpu_svm *svm)
{
ulong gcr0 = svm->vcpu.arch.cr0;
@@ -1603,7 +1583,7 @@ int svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
return 1;
if (npt_enabled && ((old_cr4 ^ cr4) & X86_CR4_PGE))
- svm_flush_tlb(vcpu, true);
+ svm_flush_tlb(vcpu);
vcpu->arch.cr4 = cr4;
if (!npt_enabled)
@@ -1672,17 +1652,14 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
mark_dirty(svm->vmcb, VMCB_ASID);
}
-static u64 svm_get_dr6(struct kvm_vcpu *vcpu)
+static void svm_set_dr6(struct vcpu_svm *svm, unsigned long value)
{
- return to_svm(vcpu)->vmcb->save.dr6;
-}
-
-static void svm_set_dr6(struct kvm_vcpu *vcpu, unsigned long value)
-{
- struct vcpu_svm *svm = to_svm(vcpu);
+ struct vmcb *vmcb = svm->vmcb;
- svm->vmcb->save.dr6 = value;
- mark_dirty(svm->vmcb, VMCB_DR);
+ if (unlikely(value != vmcb->save.dr6)) {
+ vmcb->save.dr6 = value;
+ mark_dirty(vmcb, VMCB_DR);
+ }
}
static void svm_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
@@ -1693,9 +1670,12 @@ static void svm_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
get_debugreg(vcpu->arch.db[1], 1);
get_debugreg(vcpu->arch.db[2], 2);
get_debugreg(vcpu->arch.db[3], 3);
- vcpu->arch.dr6 = svm_get_dr6(vcpu);
+ /*
+ * We cannot reset svm->vmcb->save.dr6 to DR6_FIXED_1|DR6_RTM here,
+ * because db_interception might need it. We can do it before vmentry.
+ */
+ vcpu->arch.dr6 = svm->vmcb->save.dr6;
vcpu->arch.dr7 = svm->vmcb->save.dr7;
-
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_WONT_EXIT;
set_dr_intercepts(svm);
}
@@ -1739,7 +1719,8 @@ static int db_interception(struct vcpu_svm *svm)
if (!(svm->vcpu.guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
!svm->nmi_singlestep) {
- kvm_queue_exception(&svm->vcpu, DB_VECTOR);
+ u32 payload = (svm->vmcb->save.dr6 ^ DR6_RTM) & ~DR6_FIXED_1;
+ kvm_queue_exception_p(&svm->vcpu, DB_VECTOR, payload);
return 1;
}
@@ -1752,6 +1733,8 @@ static int db_interception(struct vcpu_svm *svm)
if (svm->vcpu.guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) {
kvm_run->exit_reason = KVM_EXIT_DEBUG;
+ kvm_run->debug.arch.dr6 = svm->vmcb->save.dr6;
+ kvm_run->debug.arch.dr7 = svm->vmcb->save.dr7;
kvm_run->debug.arch.pc =
svm->vmcb->save.cs.base + svm->vmcb->save.rip;
kvm_run->debug.arch.exception = DB_VECTOR;
@@ -1839,6 +1822,25 @@ static bool is_erratum_383(void)
return true;
}
+/*
+ * Trigger machine check on the host. We assume all the MSRs are already set up
+ * by the CPU and that we still run on the same CPU as the MCE occurred on.
+ * We pass a fake environment to the machine check handler because we want
+ * the guest to be always treated like user space, no matter what context
+ * it used internally.
+ */
+static void kvm_machine_check(void)
+{
+#if defined(CONFIG_X86_MCE)
+ struct pt_regs regs = {
+ .cs = 3, /* Fake ring 3 no matter what the guest ran on */
+ .flags = X86_EFLAGS_IF,
+ };
+
+ do_machine_check(&regs, 0);
+#endif
+}
+
static void svm_handle_mce(struct vcpu_svm *svm)
{
if (is_erratum_383()) {
@@ -1857,11 +1859,7 @@ static void svm_handle_mce(struct vcpu_svm *svm)
* On an #MC intercept the MCE handler is not called automatically in
* the host. So do it by hand here.
*/
- asm volatile (
- "int $0x12\n");
- /* not sure if we ever come back to this point */
-
- return;
+ kvm_machine_check();
}
static int mc_interception(struct vcpu_svm *svm)
@@ -1990,6 +1988,38 @@ static int vmrun_interception(struct vcpu_svm *svm)
return nested_svm_vmrun(svm);
}
+void svm_set_gif(struct vcpu_svm *svm, bool value)
+{
+ if (value) {
+ /*
+ * If VGIF is enabled, the STGI intercept is only added to
+ * detect the opening of the SMI/NMI window; remove it now.
+ * Likewise, clear the VINTR intercept, we will set it
+ * again while processing KVM_REQ_EVENT if needed.
+ */
+ if (vgif_enabled(svm))
+ clr_intercept(svm, INTERCEPT_STGI);
+ if (is_intercept(svm, SVM_EXIT_VINTR))
+ svm_clear_vintr(svm);
+
+ enable_gif(svm);
+ if (svm->vcpu.arch.smi_pending ||
+ svm->vcpu.arch.nmi_pending ||
+ kvm_cpu_has_injectable_intr(&svm->vcpu))
+ kvm_make_request(KVM_REQ_EVENT, &svm->vcpu);
+ } else {
+ disable_gif(svm);
+
+ /*
+ * After a CLGI no interrupts should come. But if vGIF is
+ * in use, we still rely on the VINTR intercept (rather than
+ * STGI) to detect an open interrupt window.
+ */
+ if (!vgif_enabled(svm))
+ svm_clear_vintr(svm);
+ }
+}
+
static int stgi_interception(struct vcpu_svm *svm)
{
int ret;
@@ -1997,18 +2027,8 @@ static int stgi_interception(struct vcpu_svm *svm)
if (nested_svm_check_permissions(svm))
return 1;
- /*
- * If VGIF is enabled, the STGI intercept is only added to
- * detect the opening of the SMI/NMI window; remove it now.
- */
- if (vgif_enabled(svm))
- clr_intercept(svm, INTERCEPT_STGI);
-
ret = kvm_skip_emulated_instruction(&svm->vcpu);
- kvm_make_request(KVM_REQ_EVENT, &svm->vcpu);
-
- enable_gif(svm);
-
+ svm_set_gif(svm, true);
return ret;
}
@@ -2020,13 +2040,7 @@ static int clgi_interception(struct vcpu_svm *svm)
return 1;
ret = kvm_skip_emulated_instruction(&svm->vcpu);
-
- disable_gif(svm);
-
- /* After a CLGI no interrupts should come */
- if (!kvm_vcpu_apicv_active(&svm->vcpu))
- svm_clear_vintr(svm);
-
+ svm_set_gif(svm, false);
return ret;
}
@@ -2190,7 +2204,7 @@ static bool check_selective_cr0_intercepted(struct vcpu_svm *svm,
bool ret = false;
u64 intercept;
- intercept = svm->nested.intercept;
+ intercept = svm->nested.ctl.intercept;
if (!is_guest_mode(&svm->vcpu) ||
(!(intercept & (1ULL << INTERCEPT_SELECTIVE_CR0))))
@@ -2668,8 +2682,6 @@ static int interrupt_window_interception(struct vcpu_svm *svm)
*/
svm_toggle_avic_for_irq_window(&svm->vcpu, true);
- svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;
- mark_dirty(svm->vmcb, VMCB_INTR);
++svm->vcpu.stat.irq_window_exits;
return 1;
}
@@ -2895,8 +2907,7 @@ static void svm_get_exit_info(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2)
*info2 = control->exit_info_2;
}
-static int handle_exit(struct kvm_vcpu *vcpu,
- enum exit_fastpath_completion exit_fastpath)
+static int handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct kvm_run *kvm_run = vcpu->run;
@@ -2909,12 +2920,7 @@ static int handle_exit(struct kvm_vcpu *vcpu,
if (npt_enabled)
vcpu->arch.cr3 = svm->vmcb->save.cr3;
- if (unlikely(svm->nested.exit_required)) {
- nested_svm_vmexit(svm);
- svm->nested.exit_required = false;
-
- return 1;
- }
+ svm_complete_interrupts(svm);
if (is_guest_mode(vcpu)) {
int vmexit;
@@ -2935,8 +2941,6 @@ static int handle_exit(struct kvm_vcpu *vcpu,
return 1;
}
- svm_complete_interrupts(svm);
-
if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
kvm_run->fail_entry.hardware_entry_failure_reason
@@ -2954,10 +2958,10 @@ static int handle_exit(struct kvm_vcpu *vcpu,
__func__, svm->vmcb->control.exit_int_info,
exit_code);
- if (exit_fastpath == EXIT_FASTPATH_SKIP_EMUL_INS) {
- kvm_skip_emulated_instruction(vcpu);
+ if (exit_fastpath != EXIT_FASTPATH_NONE)
return 1;
- } else if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
+
+ if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
|| !svm_exit_handlers[exit_code]) {
vcpu_unimpl(vcpu, "svm: unexpected exit reason 0x%x\n", exit_code);
dump_vmcb(vcpu);
@@ -3046,18 +3050,37 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu, int tpr, int irr)
set_cr_intercept(svm, INTERCEPT_CR8_WRITE);
}
-static int svm_nmi_allowed(struct kvm_vcpu *vcpu)
+bool svm_nmi_blocked(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
- int ret;
- ret = !(vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) &&
- !(svm->vcpu.arch.hflags & HF_NMI_MASK);
- ret = ret && gif_set(svm) && nested_svm_nmi(svm);
+ bool ret;
+
+ if (!gif_set(svm))
+ return true;
+
+ if (is_guest_mode(vcpu) && nested_exit_on_nmi(svm))
+ return false;
+
+ ret = (vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK) ||
+ (svm->vcpu.arch.hflags & HF_NMI_MASK);
return ret;
}
+static int svm_nmi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ if (svm->nested.nested_run_pending)
+ return -EBUSY;
+
+ /* An NMI must not be injected into L2 if it's supposed to VM-Exit. */
+ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_nmi(svm))
+ return -EBUSY;
+
+ return !svm_nmi_blocked(vcpu);
+}
+
static bool svm_get_nmi_mask(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -3078,19 +3101,46 @@ static void svm_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
}
}
-static int svm_interrupt_allowed(struct kvm_vcpu *vcpu)
+bool svm_interrupt_blocked(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
- if (!gif_set(svm) ||
- (vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK))
- return 0;
+ if (!gif_set(svm))
+ return true;
- if (is_guest_mode(vcpu) && (svm->vcpu.arch.hflags & HF_VINTR_MASK))
- return !!(svm->vcpu.arch.hflags & HF_HIF_MASK);
- else
- return !!(kvm_get_rflags(vcpu) & X86_EFLAGS_IF);
+ if (is_guest_mode(vcpu)) {
+ /* As long as interrupts are being delivered... */
+ if ((svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK)
+ ? !(svm->nested.hsave->save.rflags & X86_EFLAGS_IF)
+ : !(kvm_get_rflags(vcpu) & X86_EFLAGS_IF))
+ return true;
+
+ /* ... vmexits aren't blocked by the interrupt shadow */
+ if (nested_exit_on_intr(svm))
+ return false;
+ } else {
+ if (!(kvm_get_rflags(vcpu) & X86_EFLAGS_IF))
+ return true;
+ }
+
+ return (vmcb->control.int_state & SVM_INTERRUPT_SHADOW_MASK);
+}
+
+static int svm_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ if (svm->nested.nested_run_pending)
+ return -EBUSY;
+
+ /*
+ * An IRQ must not be injected into L2 if it's supposed to VM-Exit,
+ * e.g. if the IRQ arrived asynchronously after checking nested events.
+ */
+ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_intr(svm))
+ return -EBUSY;
+
+ return !svm_interrupt_blocked(vcpu);
}
static void enable_irq_window(struct kvm_vcpu *vcpu)
@@ -3131,9 +3181,6 @@ static void enable_nmi_window(struct kvm_vcpu *vcpu)
return; /* STGI will cause a vm exit */
}
- if (svm->nested.exit_required)
- return; /* we're not going to run the guest yet */
-
/*
* Something prevents NMI from been injected. Single step over possible
* problem (IRET or exception injection or interrupt shadow)
@@ -3153,10 +3200,17 @@ static int svm_set_identity_map_addr(struct kvm *kvm, u64 ident_addr)
return 0;
}
-void svm_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa)
+void svm_flush_tlb(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
+ /*
+ * Flush only the current ASID even if the TLB flush was invoked via
+ * kvm_flush_remote_tlbs(). Although flushing remote TLBs requires all
+ * ASIDs to be flushed, KVM uses a single ASID for L1 and L2, and
+ * unconditionally does a TLB flush on both nested VM-Enter and nested
+ * VM-Exit (via kvm_mmu_reset_context()).
+ */
if (static_cpu_has(X86_FEATURE_FLUSHBYASID))
svm->vmcb->control.tlb_ctl = TLB_CONTROL_FLUSH_ASID;
else
@@ -3276,10 +3330,21 @@ static void svm_cancel_injection(struct kvm_vcpu *vcpu)
svm_complete_interrupts(svm);
}
-bool __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);
+static fastpath_t svm_exit_handlers_fastpath(struct kvm_vcpu *vcpu)
+{
+ if (!is_guest_mode(vcpu) &&
+ to_svm(vcpu)->vmcb->control.exit_code == SVM_EXIT_MSR &&
+ to_svm(vcpu)->vmcb->control.exit_info_1)
+ return handle_fastpath_set_msr_irqoff(vcpu);
+
+ return EXIT_FASTPATH_NONE;
+}
+
+void __svm_vcpu_run(unsigned long vmcb_pa, unsigned long *regs);
-static void svm_vcpu_run(struct kvm_vcpu *vcpu)
+static fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu)
{
+ fastpath_t exit_fastpath;
struct vcpu_svm *svm = to_svm(vcpu);
svm->vmcb->save.rax = vcpu->arch.regs[VCPU_REGS_RAX];
@@ -3287,13 +3352,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
svm->vmcb->save.rip = vcpu->arch.regs[VCPU_REGS_RIP];
/*
- * A vmexit emulation is required before the vcpu can be executed
- * again.
- */
- if (unlikely(svm->nested.exit_required))
- return;
-
- /*
* Disable singlestep if we're injecting an interrupt/exception.
* We don't want our modified rflags to be pushed on the stack where
* we might not be able to easily reset them if we disabled NMI
@@ -3315,6 +3373,15 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
svm->vmcb->save.cr2 = vcpu->arch.cr2;
+ /*
+ * Run with all-zero DR6 unless needed, so that we can get the exact cause
+ * of a #DB.
+ */
+ if (unlikely(svm->vcpu.arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT))
+ svm_set_dr6(svm, vcpu->arch.dr6);
+ else
+ svm_set_dr6(svm, DR6_FIXED_1 | DR6_RTM);
+
clgi();
kvm_load_guest_xsave_state(vcpu);
@@ -3330,13 +3397,8 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
*/
x86_spec_ctrl_set_guest(svm->spec_ctrl, svm->virt_spec_ctrl);
- local_irq_enable();
-
__svm_vcpu_run(svm->vmcb_pa, (unsigned long *)&svm->vcpu.arch.regs);
- /* Eliminate branch target predictions from guest mode */
- vmexit_fill_RSB();
-
#ifdef CONFIG_X86_64
wrmsrl(MSR_GS_BASE, svm->host.gs_base);
#else
@@ -3366,8 +3428,6 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
reload_tss(vcpu);
- local_irq_disable();
-
x86_spec_ctrl_restore_host(svm->spec_ctrl, svm->virt_spec_ctrl);
vcpu->arch.cr2 = svm->vmcb->save.cr2;
@@ -3382,6 +3442,7 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
stgi();
/* Any pending NMI will happen here */
+ exit_fastpath = svm_exit_handlers_fastpath(vcpu);
if (unlikely(svm->vmcb->control.exit_code == SVM_EXIT_NMI))
kvm_after_interrupt(&svm->vcpu);
@@ -3389,12 +3450,17 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
sync_cr8_to_lapic(vcpu);
svm->next_rip = 0;
+ if (is_guest_mode(&svm->vcpu)) {
+ sync_nested_vmcb_control(svm);
+ svm->nested.nested_run_pending = 0;
+ }
svm->vmcb->control.tlb_ctl = TLB_CONTROL_DO_NOTHING;
/* if exit due to PF check for async PF */
if (svm->vmcb->control.exit_code == SVM_EXIT_EXCP_BASE + PF_VECTOR)
- svm->vcpu.arch.apf.host_apf_reason = kvm_read_and_reset_pf_reason();
+ svm->vcpu.arch.apf.host_apf_flags =
+ kvm_read_and_reset_apf_flags();
if (npt_enabled) {
vcpu->arch.regs_avail &= ~(1 << VCPU_EXREG_PDPTR);
@@ -3410,13 +3476,12 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
svm_handle_mce(svm);
mark_all_clean(svm->vmcb);
+ return exit_fastpath;
}
-STACK_FRAME_NON_STANDARD(svm_vcpu_run);
static void svm_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long root)
{
struct vcpu_svm *svm = to_svm(vcpu);
- bool update_guest_cr3 = true;
unsigned long cr3;
cr3 = __sme_set(root);
@@ -3425,18 +3490,13 @@ static void svm_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long root)
mark_dirty(svm->vmcb, VMCB_NPT);
/* Loading L2's CR3 is handled by enter_svm_guest_mode. */
- if (is_guest_mode(vcpu))
- update_guest_cr3 = false;
- else if (test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail))
- cr3 = vcpu->arch.cr3;
- else /* CR3 is already up-to-date. */
- update_guest_cr3 = false;
+ if (!test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail))
+ return;
+ cr3 = vcpu->arch.cr3;
}
- if (update_guest_cr3) {
- svm->vmcb->save.cr3 = cr3;
- mark_dirty(svm->vmcb, VMCB_CR);
- }
+ svm->vmcb->save.cr3 = cr3;
+ mark_dirty(svm->vmcb, VMCB_CR);
}
static int is_disabled(void)
@@ -3471,7 +3531,7 @@ static bool svm_cpu_has_accelerated_tpr(void)
return false;
}
-static bool svm_has_emulated_msr(int index)
+static bool svm_has_emulated_msr(u32 index)
{
switch (index) {
case MSR_IA32_MCG_EXT_CTL:
@@ -3624,7 +3684,7 @@ static int svm_check_intercept(struct kvm_vcpu *vcpu,
info->intercept == x86_intercept_clts)
break;
- intercept = svm->nested.intercept;
+ intercept = svm->nested.ctl.intercept;
if (!(intercept & (1ULL << INTERCEPT_SELECTIVE_CR0)))
break;
@@ -3712,13 +3772,8 @@ out:
return ret;
}
-static void svm_handle_exit_irqoff(struct kvm_vcpu *vcpu,
- enum exit_fastpath_completion *exit_fastpath)
+static void svm_handle_exit_irqoff(struct kvm_vcpu *vcpu)
{
- if (!is_guest_mode(vcpu) &&
- to_svm(vcpu)->vmcb->control.exit_code == SVM_EXIT_MSR &&
- to_svm(vcpu)->vmcb->control.exit_info_1)
- *exit_fastpath = handle_fastpath_set_msr_irqoff(vcpu);
}
static void svm_sched_in(struct kvm_vcpu *vcpu, int cpu)
@@ -3733,23 +3788,28 @@ static void svm_setup_mce(struct kvm_vcpu *vcpu)
vcpu->arch.mcg_cap &= 0x1ff;
}
-static int svm_smi_allowed(struct kvm_vcpu *vcpu)
+bool svm_smi_blocked(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
/* Per APM Vol.2 15.22.2 "Response to SMI" */
if (!gif_set(svm))
- return 0;
+ return true;
- if (is_guest_mode(&svm->vcpu) &&
- svm->nested.intercept & (1ULL << INTERCEPT_SMI)) {
- /* TODO: Might need to set exit_info_1 and exit_info_2 here */
- svm->vmcb->control.exit_code = SVM_EXIT_SMI;
- svm->nested.exit_required = true;
- return 0;
- }
+ return is_smm(vcpu);
+}
- return 1;
+static int svm_smi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
+{
+ struct vcpu_svm *svm = to_svm(vcpu);
+ if (svm->nested.nested_run_pending)
+ return -EBUSY;
+
+ /* An SMI must not be injected into L2 if it's supposed to VM-Exit. */
+ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_smi(svm))
+ return -EBUSY;
+
+ return !svm_smi_blocked(vcpu);
}
static int svm_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
@@ -3789,12 +3849,13 @@ static int svm_pre_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
if (kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb), &map) == -EINVAL)
return 1;
nested_vmcb = map.hva;
- enter_svm_guest_mode(svm, vmcb, nested_vmcb, &map);
+ enter_svm_guest_mode(svm, vmcb, nested_vmcb);
+ kvm_vcpu_unmap(&svm->vcpu, &map, true);
}
return 0;
}
-static int enable_smi_window(struct kvm_vcpu *vcpu)
+static void enable_smi_window(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -3802,9 +3863,9 @@ static int enable_smi_window(struct kvm_vcpu *vcpu)
if (vgif_enabled(svm))
set_intercept(svm, INTERCEPT_STGI);
/* STGI will cause a vm exit */
- return 1;
+ } else {
+ /* We must be in SMM; RSM will cause a vmexit anyway. */
}
- return 0;
}
static bool svm_need_emulation_on_page_fault(struct kvm_vcpu *vcpu)
@@ -3815,6 +3876,13 @@ static bool svm_need_emulation_on_page_fault(struct kvm_vcpu *vcpu)
bool is_user = svm_get_cpl(vcpu) == 3;
/*
+ * If RIP is invalid, go ahead with emulation which will cause an
+ * internal error exit.
+ */
+ if (!kvm_vcpu_gfn_to_memslot(vcpu, kvm_rip_read(vcpu) >> PAGE_SHIFT))
+ return true;
+
+ /*
* Detect and workaround Errata 1096 Fam_17h_00_0Fh.
*
* Errata:
@@ -3872,9 +3940,9 @@ static bool svm_apic_init_signal_blocked(struct kvm_vcpu *vcpu)
/*
* TODO: Last condition latch INIT signals on vCPU when
* vCPU is in guest-mode and vmcb12 defines intercept on INIT.
- * To properly emulate the INIT intercept, SVM should implement
- * kvm_x86_ops.check_nested_events() and call nested_svm_vmexit()
- * there if an INIT signal is pending.
+ * To properly emulate the INIT intercept,
+ * svm_check_nested_events() should call nested_svm_vmexit()
+ * if an INIT signal is pending.
*/
return !gif_set(svm) ||
(svm->vmcb->control.intercept & (1ULL << INTERCEPT_INIT));
@@ -3928,8 +3996,6 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.set_segment = svm_set_segment,
.get_cpl = svm_get_cpl,
.get_cs_db_l_bits = kvm_get_cs_db_l_bits,
- .decache_cr0_guest_bits = svm_decache_cr0_guest_bits,
- .decache_cr4_guest_bits = svm_decache_cr4_guest_bits,
.set_cr0 = svm_set_cr0,
.set_cr4 = svm_set_cr4,
.set_efer = svm_set_efer,
@@ -3937,16 +4003,16 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.set_idt = svm_set_idt,
.get_gdt = svm_get_gdt,
.set_gdt = svm_set_gdt,
- .get_dr6 = svm_get_dr6,
- .set_dr6 = svm_set_dr6,
.set_dr7 = svm_set_dr7,
.sync_dirty_debug_regs = svm_sync_dirty_debug_regs,
.cache_reg = svm_cache_reg,
.get_rflags = svm_get_rflags,
.set_rflags = svm_set_rflags,
- .tlb_flush = svm_flush_tlb,
+ .tlb_flush_all = svm_flush_tlb,
+ .tlb_flush_current = svm_flush_tlb,
.tlb_flush_gva = svm_flush_tlb_gva,
+ .tlb_flush_guest = svm_flush_tlb,
.run = svm_vcpu_run,
.handle_exit = handle_exit,
@@ -3987,7 +4053,6 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.has_wbinvd_exit = svm_has_wbinvd_exit,
- .read_l1_tsc_offset = svm_read_l1_tsc_offset,
.write_l1_tsc_offset = svm_write_l1_tsc_offset,
.load_mmu_pgd = svm_load_mmu_pgd,
@@ -4000,6 +4065,8 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.sched_in = svm_sched_in,
.pmu_ops = &amd_pmu_ops,
+ .nested_ops = &svm_nested_ops,
+
.deliver_posted_interrupt = svm_deliver_avic_intr,
.dy_apicv_has_pending_interrupt = svm_dy_apicv_has_pending_interrupt,
.update_pi_irte = svm_update_pi_irte,
@@ -4014,14 +4081,9 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
.mem_enc_reg_region = svm_register_enc_region,
.mem_enc_unreg_region = svm_unregister_enc_region,
- .nested_enable_evmcs = NULL,
- .nested_get_evmcs_version = NULL,
-
.need_emulation_on_page_fault = svm_need_emulation_on_page_fault,
.apic_init_signal_blocked = svm_apic_init_signal_blocked,
-
- .check_nested_events = svm_check_nested_events,
};
static struct kvm_x86_init_ops svm_init_ops __initdata = {
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index df3474f4fb02..6ac4c00a5d82 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -86,25 +86,17 @@ struct nested_state {
u64 hsave_msr;
u64 vm_cr_msr;
u64 vmcb;
+ u32 host_intercept_exceptions;
/* These are the merged vectors */
u32 *msrpm;
- /* gpa pointers to the real vectors */
- u64 vmcb_msrpm;
- u64 vmcb_iopm;
+ /* A VMRUN has started but has not yet been performed, so
+ * we cannot inject a nested vmexit yet. */
+ bool nested_run_pending;
- /* A VMEXIT is required but not yet emulated */
- bool exit_required;
-
- /* cache for intercepts of the guest */
- u32 intercept_cr;
- u32 intercept_dr;
- u32 intercept_exceptions;
- u64 intercept;
-
- /* Nested Paging related state */
- u64 nested_cr3;
+ /* cache for control fields of the guest */
+ struct vmcb_control_area ctl;
};
struct vcpu_svm {
@@ -360,8 +352,12 @@ u32 svm_msrpm_offset(u32 msr);
void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer);
void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
int svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
-void svm_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa);
+void svm_flush_tlb(struct kvm_vcpu *vcpu);
void disable_nmi_singlestep(struct vcpu_svm *svm);
+bool svm_smi_blocked(struct kvm_vcpu *vcpu);
+bool svm_nmi_blocked(struct kvm_vcpu *vcpu);
+bool svm_interrupt_blocked(struct kvm_vcpu *vcpu);
+void svm_set_gif(struct vcpu_svm *svm, bool value);
/* nested.c */
@@ -369,28 +365,31 @@ void disable_nmi_singlestep(struct vcpu_svm *svm);
#define NESTED_EXIT_DONE 1 /* Exit caused nested vmexit */
#define NESTED_EXIT_CONTINUE 2 /* Further checks needed */
-/* This function returns true if it is save to enable the nmi window */
-static inline bool nested_svm_nmi(struct vcpu_svm *svm)
+static inline bool svm_nested_virtualize_tpr(struct kvm_vcpu *vcpu)
{
- if (!is_guest_mode(&svm->vcpu))
- return true;
+ struct vcpu_svm *svm = to_svm(vcpu);
- if (!(svm->nested.intercept & (1ULL << INTERCEPT_NMI)))
- return true;
+ return is_guest_mode(vcpu) && (svm->nested.ctl.int_ctl & V_INTR_MASKING_MASK);
+}
- svm->vmcb->control.exit_code = SVM_EXIT_NMI;
- svm->nested.exit_required = true;
+static inline bool nested_exit_on_smi(struct vcpu_svm *svm)
+{
+ return (svm->nested.ctl.intercept & (1ULL << INTERCEPT_SMI));
+}
- return false;
+static inline bool nested_exit_on_intr(struct vcpu_svm *svm)
+{
+ return (svm->nested.ctl.intercept & (1ULL << INTERCEPT_INTR));
}
-static inline bool svm_nested_virtualize_tpr(struct kvm_vcpu *vcpu)
+static inline bool nested_exit_on_nmi(struct vcpu_svm *svm)
{
- return is_guest_mode(vcpu) && (vcpu->arch.hflags & HF_VINTR_MASK);
+ return (svm->nested.ctl.intercept & (1ULL << INTERCEPT_NMI));
}
void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
- struct vmcb *nested_vmcb, struct kvm_host_map *map);
+ struct vmcb *nested_vmcb);
+void svm_leave_nested(struct vcpu_svm *svm);
int nested_svm_vmrun(struct vcpu_svm *svm);
void nested_svm_vmloadsave(struct vmcb *from_vmcb, struct vmcb *to_vmcb);
int nested_svm_vmexit(struct vcpu_svm *svm);
@@ -398,8 +397,10 @@ int nested_svm_exit_handled(struct vcpu_svm *svm);
int nested_svm_check_permissions(struct vcpu_svm *svm);
int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
bool has_error_code, u32 error_code);
-int svm_check_nested_events(struct kvm_vcpu *vcpu);
int nested_svm_exit_special(struct vcpu_svm *svm);
+void sync_nested_vmcb_control(struct vcpu_svm *svm);
+
+extern struct kvm_x86_nested_ops svm_nested_ops;
/* avic.c */
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index fa1af90067e9..bf944334003a 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -3,6 +3,7 @@
#include <asm/asm.h>
#include <asm/bitsperlong.h>
#include <asm/kvm_vcpu_regs.h>
+#include <asm/nospec-branch.h>
#define WORD_SIZE (BITS_PER_LONG / 8)
@@ -35,7 +36,6 @@
*/
SYM_FUNC_START(__svm_vcpu_run)
push %_ASM_BP
- mov %_ASM_SP, %_ASM_BP
#ifdef CONFIG_X86_64
push %r15
push %r14
@@ -78,6 +78,7 @@ SYM_FUNC_START(__svm_vcpu_run)
pop %_ASM_AX
/* Enter guest mode */
+ sti
1: vmload %_ASM_AX
jmp 3f
2: cmpb $0, kvm_rebooting
@@ -99,6 +100,13 @@ SYM_FUNC_START(__svm_vcpu_run)
ud2
_ASM_EXTABLE(5b, 6b)
7:
+ cli
+
+#ifdef CONFIG_RETPOLINE
+ /* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */
+ FILL_RETURN_BUFFER %_ASM_AX, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
+#endif
+
/* "POP" @regs to RAX. */
pop %_ASM_AX
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 249062f24b94..b66432b015d2 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -225,6 +225,14 @@ TRACE_EVENT(kvm_apic,
#define KVM_ISA_VMX 1
#define KVM_ISA_SVM 2
+#define kvm_print_exit_reason(exit_reason, isa) \
+ (isa == KVM_ISA_VMX) ? \
+ __print_symbolic(exit_reason & 0xffff, VMX_EXIT_REASONS) : \
+ __print_symbolic(exit_reason, SVM_EXIT_REASONS), \
+ (isa == KVM_ISA_VMX && exit_reason & ~0xffff) ? " " : "", \
+ (isa == KVM_ISA_VMX) ? \
+ __print_flags(exit_reason & ~0xffff, " ", VMX_EXIT_REASON_FLAGS) : ""
+
/*
* Tracepoint for kvm guest exit:
*/
@@ -250,12 +258,10 @@ TRACE_EVENT(kvm_exit,
&__entry->info2);
),
- TP_printk("vcpu %u reason %s rip 0x%lx info %llx %llx",
+ TP_printk("vcpu %u reason %s%s%s rip 0x%lx info %llx %llx",
__entry->vcpu_id,
- (__entry->isa == KVM_ISA_VMX) ?
- __print_symbolic(__entry->exit_reason, VMX_EXIT_REASONS) :
- __print_symbolic(__entry->exit_reason, SVM_EXIT_REASONS),
- __entry->guest_rip, __entry->info1, __entry->info2)
+ kvm_print_exit_reason(__entry->exit_reason, __entry->isa),
+ __entry->guest_rip, __entry->info1, __entry->info2)
);
/*
@@ -588,12 +594,10 @@ TRACE_EVENT(kvm_nested_vmexit,
__entry->exit_int_info_err = exit_int_info_err;
__entry->isa = isa;
),
- TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
+ TP_printk("rip: 0x%016llx reason: %s%s%s ext_inf1: 0x%016llx "
"ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
__entry->rip,
- (__entry->isa == KVM_ISA_VMX) ?
- __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
- __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
+ kvm_print_exit_reason(__entry->exit_code, __entry->isa),
__entry->exit_info1, __entry->exit_info2,
__entry->exit_int_info, __entry->exit_int_info_err)
);
@@ -626,13 +630,11 @@ TRACE_EVENT(kvm_nested_vmexit_inject,
__entry->isa = isa;
),
- TP_printk("reason: %s ext_inf1: 0x%016llx "
+ TP_printk("reason: %s%s%s ext_inf1: 0x%016llx "
"ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
- (__entry->isa == KVM_ISA_VMX) ?
- __print_symbolic(__entry->exit_code, VMX_EXIT_REASONS) :
- __print_symbolic(__entry->exit_code, SVM_EXIT_REASONS),
- __entry->exit_info1, __entry->exit_info2,
- __entry->exit_int_info, __entry->exit_int_info_err)
+ kvm_print_exit_reason(__entry->exit_code, __entry->isa),
+ __entry->exit_info1, __entry->exit_info2,
+ __entry->exit_int_info, __entry->exit_int_info_err)
);
/*
@@ -1539,6 +1541,57 @@ TRACE_EVENT(kvm_nested_vmenter_failed,
__print_symbolic(__entry->err, VMX_VMENTER_INSTRUCTION_ERRORS))
);
+/*
+ * Tracepoint for syndbg_set_msr.
+ */
+TRACE_EVENT(kvm_hv_syndbg_set_msr,
+ TP_PROTO(int vcpu_id, u32 vp_index, u32 msr, u64 data),
+ TP_ARGS(vcpu_id, vp_index, msr, data),
+
+ TP_STRUCT__entry(
+ __field(int, vcpu_id)
+ __field(u32, vp_index)
+ __field(u32, msr)
+ __field(u64, data)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu_id;
+ __entry->vp_index = vp_index;
+ __entry->msr = msr;
+ __entry->data = data;
+ ),
+
+ TP_printk("vcpu_id %d vp_index %u msr 0x%x data 0x%llx",
+ __entry->vcpu_id, __entry->vp_index, __entry->msr,
+ __entry->data)
+);
+
+/*
+ * Tracepoint for syndbg_get_msr.
+ */
+TRACE_EVENT(kvm_hv_syndbg_get_msr,
+ TP_PROTO(int vcpu_id, u32 vp_index, u32 msr, u64 data),
+ TP_ARGS(vcpu_id, vp_index, msr, data),
+
+ TP_STRUCT__entry(
+ __field(int, vcpu_id)
+ __field(u32, vp_index)
+ __field(u32, msr)
+ __field(u64, data)
+ ),
+
+ TP_fast_assign(
+ __entry->vcpu_id = vcpu_id;
+ __entry->vp_index = vp_index;
+ __entry->msr = msr;
+ __entry->data = data;
+ ),
+
+ TP_printk("vcpu_id %d vp_index %u msr 0x%x data 0x%llx",
+ __entry->vcpu_id, __entry->vp_index, __entry->msr,
+ __entry->data)
+);
#endif /* _TRACE_KVM_H */
#undef TRACE_INCLUDE_PATH
diff --git a/arch/x86/kvm/vmx/capabilities.h b/arch/x86/kvm/vmx/capabilities.h
index 8903475f751e..4bbd8b448d22 100644
--- a/arch/x86/kvm/vmx/capabilities.h
+++ b/arch/x86/kvm/vmx/capabilities.h
@@ -18,6 +18,8 @@ extern int __read_mostly pt_mode;
#define PT_MODE_SYSTEM 0
#define PT_MODE_HOST_GUEST 1
+#define PMU_CAP_FW_WRITES (1ULL << 13)
+
struct nested_vmx_msrs {
/*
* We only store the "true" versions of the VMX capability MSRs. We
@@ -367,4 +369,13 @@ static inline bool vmx_pt_mode_is_host_guest(void)
return pt_mode == PT_MODE_HOST_GUEST;
}
+static inline u64 vmx_get_perf_capabilities(void)
+{
+ /*
+ * Since counters are virtualized, KVM would support full
+ * width counting unconditionally, even if the host lacks it.
+ */
+ return PMU_CAP_FW_WRITES;
+}
+
#endif /* __KVM_X86_VMX_CAPS_H */
diff --git a/arch/x86/kvm/vmx/evmcs.c b/arch/x86/kvm/vmx/evmcs.c
index 303813423c3e..e5325bd0f304 100644
--- a/arch/x86/kvm/vmx/evmcs.c
+++ b/arch/x86/kvm/vmx/evmcs.c
@@ -4,6 +4,7 @@
#include <linux/smp.h>
#include "../hyperv.h"
+#include "../cpuid.h"
#include "evmcs.h"
#include "vmcs.h"
#include "vmx.h"
@@ -160,14 +161,6 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = {
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
EVMCS1_FIELD(VM_ENTRY_MSR_LOAD_ADDR, vm_entry_msr_load_addr,
HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(CR3_TARGET_VALUE0, cr3_target_value0,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(CR3_TARGET_VALUE1, cr3_target_value1,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(CR3_TARGET_VALUE2, cr3_target_value2,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
- EVMCS1_FIELD(CR3_TARGET_VALUE3, cr3_target_value3,
- HV_VMX_ENLIGHTENED_CLEAN_FIELD_ALL),
/* 32 bit rw */
EVMCS1_FIELD(TPR_THRESHOLD, tpr_threshold,
@@ -334,17 +327,18 @@ bool nested_enlightened_vmentry(struct kvm_vcpu *vcpu, u64 *evmcs_gpa)
uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu)
{
- struct vcpu_vmx *vmx = to_vmx(vcpu);
- /*
- * vmcs_version represents the range of supported Enlightened VMCS
- * versions: lower 8 bits is the minimal version, higher 8 bits is the
- * maximum supported version. KVM supports versions from 1 to
- * KVM_EVMCS_VERSION.
- */
- if (vmx->nested.enlightened_vmcs_enabled)
- return (KVM_EVMCS_VERSION << 8) | 1;
-
- return 0;
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+ /*
+ * vmcs_version represents the range of supported Enlightened VMCS
+ * versions: lower 8 bits is the minimal version, higher 8 bits is the
+ * maximum supported version. KVM supports versions from 1 to
+ * KVM_EVMCS_VERSION.
+ */
+ if (kvm_cpu_cap_get(X86_FEATURE_VMX) &&
+ vmx->nested.enlightened_vmcs_enabled)
+ return (KVM_EVMCS_VERSION << 8) | 1;
+
+ return 0;
}
void nested_evmcs_filter_control_msr(u32 msr_index, u64 *pdata)
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index cbc9ea2de28f..9c74a732b08d 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -303,11 +303,11 @@ static void vmx_switch_vmcs(struct kvm_vcpu *vcpu, struct loaded_vmcs *vmcs)
cpu = get_cpu();
prev = vmx->loaded_vmcs;
vmx->loaded_vmcs = vmcs;
- vmx_vcpu_load_vmcs(vcpu, cpu);
+ vmx_vcpu_load_vmcs(vcpu, cpu, prev);
vmx_sync_vmcs_host_state(vmx, prev);
put_cpu();
- vmx_segment_cache_clear(vmx);
+ vmx_register_cache_reset(vcpu);
}
/*
@@ -328,19 +328,19 @@ static void nested_ept_inject_page_fault(struct kvm_vcpu *vcpu,
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
struct vcpu_vmx *vmx = to_vmx(vcpu);
- u32 exit_reason;
+ u32 vm_exit_reason;
unsigned long exit_qualification = vcpu->arch.exit_qualification;
if (vmx->nested.pml_full) {
- exit_reason = EXIT_REASON_PML_FULL;
+ vm_exit_reason = EXIT_REASON_PML_FULL;
vmx->nested.pml_full = false;
exit_qualification &= INTR_INFO_UNBLOCK_NMI;
} else if (fault->error_code & PFERR_RSVD_MASK)
- exit_reason = EXIT_REASON_EPT_MISCONFIG;
+ vm_exit_reason = EXIT_REASON_EPT_MISCONFIG;
else
- exit_reason = EXIT_REASON_EPT_VIOLATION;
+ vm_exit_reason = EXIT_REASON_EPT_VIOLATION;
- nested_vmx_vmexit(vcpu, exit_reason, 0, exit_qualification);
+ nested_vmx_vmexit(vcpu, vm_exit_reason, 0, exit_qualification);
vmcs12->guest_physical_address = fault->address;
}
@@ -437,11 +437,6 @@ static void vmx_inject_page_fault_nested(struct kvm_vcpu *vcpu,
}
}
-static bool page_address_valid(struct kvm_vcpu *vcpu, gpa_t gpa)
-{
- return PAGE_ALIGNED(gpa) && !(gpa >> cpuid_maxphyaddr(vcpu));
-}
-
static int nested_vmx_check_io_bitmap_controls(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
@@ -698,11 +693,6 @@ static bool nested_exit_intr_ack_set(struct kvm_vcpu *vcpu)
VM_EXIT_ACK_INTR_ON_EXIT;
}
-static bool nested_exit_on_nmi(struct kvm_vcpu *vcpu)
-{
- return nested_cpu_has_nmi_exiting(get_vmcs12(vcpu));
-}
-
static int nested_vmx_check_apic_access_controls(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
@@ -927,6 +917,7 @@ static u32 nested_vmx_load_msr(struct kvm_vcpu *vcpu, u64 gpa, u32 count)
}
return 0;
fail:
+ /* Note, max_msr_list_size is at most 4096, i.e. this can't wrap. */
return i + 1;
}
@@ -1074,34 +1065,81 @@ static bool nested_cr3_valid(struct kvm_vcpu *vcpu, unsigned long val)
}
/*
+ * Returns true if the MMU needs to be sync'd on nested VM-Enter/VM-Exit.
+ * tl;dr: the MMU needs a sync if L0 is using shadow paging and L1 didn't
+ * enable VPID for L2 (implying it expects a TLB flush on VMX transitions).
+ * Here's why.
+ *
+ * If EPT is enabled by L0 a sync is never needed:
+ * - if it is disabled by L1, then L0 is not shadowing L1 or L2 PTEs, there
+ * cannot be unsync'd SPTEs for either L1 or L2.
+ *
+ * - if it is also enabled by L1, then L0 doesn't need to sync on VM-Enter
+ * VM-Enter as VM-Enter isn't required to invalidate guest-physical mappings
+ * (irrespective of VPID), i.e. L1 can't rely on the (virtual) CPU to flush
+ * stale guest-physical mappings for L2 from the TLB. And as above, L0 isn't
+ * shadowing L1 PTEs so there are no unsync'd SPTEs to sync on VM-Exit.
+ *
+ * If EPT is disabled by L0:
+ * - if VPID is enabled by L1 (for L2), the situation is similar to when L1
+ * enables EPT: L0 doesn't need to sync as VM-Enter and VM-Exit aren't
+ * required to invalidate linear mappings (EPT is disabled so there are
+ * no combined or guest-physical mappings), i.e. L1 can't rely on the
+ * (virtual) CPU to flush stale linear mappings for either L2 or itself (L1).
+ *
+ * - however if VPID is disabled by L1, then a sync is needed as L1 expects all
+ * linear mappings (EPT is disabled so there are no combined or guest-physical
+ * mappings) to be invalidated on both VM-Enter and VM-Exit.
+ *
+ * Note, this logic is subtly different than nested_has_guest_tlb_tag(), which
+ * additionally checks that L2 has been assigned a VPID (when EPT is disabled).
+ * Whether or not L2 has been assigned a VPID by L0 is irrelevant with respect
+ * to L1's expectations, e.g. L0 needs to invalidate hardware TLB entries if L2
+ * doesn't have a unique VPID to prevent reusing L1's entries (assuming L1 has
+ * been assigned a VPID), but L0 doesn't need to do a MMU sync because L1
+ * doesn't expect stale (virtual) TLB entries to be flushed, i.e. L1 doesn't
+ * know that L0 will flush the TLB and so L1 will do INVVPID as needed to flush
+ * stale TLB entries, at which point L0 will sync L2's MMU.
+ */
+static bool nested_vmx_transition_mmu_sync(struct kvm_vcpu *vcpu)
+{
+ return !enable_ept && !nested_cpu_has_vpid(get_vmcs12(vcpu));
+}
+
+/*
* Load guest's/host's cr3 at nested entry/exit. @nested_ept is true if we are
* emulating VM-Entry into a guest with EPT enabled. On failure, the expected
* Exit Qualification (for a VM-Entry consistency check VM-Exit) is assigned to
* @entry_failure_code.
*/
static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool nested_ept,
- u32 *entry_failure_code)
+ enum vm_entry_failure_code *entry_failure_code)
{
- if (cr3 != kvm_read_cr3(vcpu) || (!nested_ept && pdptrs_changed(vcpu))) {
- if (CC(!nested_cr3_valid(vcpu, cr3))) {
- *entry_failure_code = ENTRY_FAIL_DEFAULT;
- return -EINVAL;
- }
+ if (CC(!nested_cr3_valid(vcpu, cr3))) {
+ *entry_failure_code = ENTRY_FAIL_DEFAULT;
+ return -EINVAL;
+ }
- /*
- * If PAE paging and EPT are both on, CR3 is not used by the CPU and
- * must not be dereferenced.
- */
- if (is_pae_paging(vcpu) && !nested_ept) {
- if (CC(!load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))) {
- *entry_failure_code = ENTRY_FAIL_PDPTE;
- return -EINVAL;
- }
+ /*
+ * If PAE paging and EPT are both on, CR3 is not used by the CPU and
+ * must not be dereferenced.
+ */
+ if (!nested_ept && is_pae_paging(vcpu) &&
+ (cr3 != kvm_read_cr3(vcpu) || pdptrs_changed(vcpu))) {
+ if (CC(!load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))) {
+ *entry_failure_code = ENTRY_FAIL_PDPTE;
+ return -EINVAL;
}
}
+ /*
+ * Unconditionally skip the TLB flush on fast CR3 switch, all TLB
+ * flushes are handled by nested_vmx_transition_tlb_flush(). See
+ * nested_vmx_transition_mmu_sync for details on skipping the MMU sync.
+ */
if (!nested_ept)
- kvm_mmu_new_cr3(vcpu, cr3, false);
+ kvm_mmu_new_pgd(vcpu, cr3, true,
+ !nested_vmx_transition_mmu_sync(vcpu));
vcpu->arch.cr3 = cr3;
kvm_register_mark_available(vcpu, VCPU_EXREG_CR3);
@@ -1132,11 +1170,48 @@ static bool nested_has_guest_tlb_tag(struct kvm_vcpu *vcpu)
(nested_cpu_has_vpid(vmcs12) && to_vmx(vcpu)->nested.vpid02);
}
-static u16 nested_get_vpid02(struct kvm_vcpu *vcpu)
+static void nested_vmx_transition_tlb_flush(struct kvm_vcpu *vcpu,
+ struct vmcs12 *vmcs12,
+ bool is_vmenter)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid;
+ /*
+ * If VPID is disabled, linear and combined mappings are flushed on
+ * VM-Enter/VM-Exit, and guest-physical mappings are valid only for
+ * their associated EPTP.
+ */
+ if (!enable_vpid)
+ return;
+
+ /*
+ * If vmcs12 doesn't use VPID, L1 expects linear and combined mappings
+ * for *all* contexts to be flushed on VM-Enter/VM-Exit.
+ *
+ * If VPID is enabled and used by vmc12, but L2 does not have a unique
+ * TLB tag (ASID), i.e. EPT is disabled and KVM was unable to allocate
+ * a VPID for L2, flush the current context as the effective ASID is
+ * common to both L1 and L2.
+ *
+ * Defer the flush so that it runs after vmcs02.EPTP has been set by
+ * KVM_REQ_LOAD_MMU_PGD (if nested EPT is enabled) and to avoid
+ * redundant flushes further down the nested pipeline.
+ *
+ * If a TLB flush isn't required due to any of the above, and vpid12 is
+ * changing then the new "virtual" VPID (vpid12) will reuse the same
+ * "real" VPID (vpid02), and so needs to be sync'd. There is no direct
+ * mapping between vpid02 and vpid12, vpid02 is per-vCPU and reused for
+ * all nested vCPUs.
+ */
+ if (!nested_cpu_has_vpid(vmcs12)) {
+ kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ } else if (!nested_has_guest_tlb_tag(vcpu)) {
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
+ } else if (is_vmenter &&
+ vmcs12->virtual_processor_id != vmx->nested.last_vpid) {
+ vmx->nested.last_vpid = vmcs12->virtual_processor_id;
+ vpid_sync_context(nested_get_vpid02(vcpu));
+ }
}
static bool is_bitwise_subset(u64 superset, u64 subset, u64 mask)
@@ -1700,10 +1775,6 @@ static int copy_enlightened_to_vmcs12(struct vcpu_vmx *vmx)
* vmcs12->vm_exit_msr_store_addr = evmcs->vm_exit_msr_store_addr;
* vmcs12->vm_exit_msr_load_addr = evmcs->vm_exit_msr_load_addr;
* vmcs12->vm_entry_msr_load_addr = evmcs->vm_entry_msr_load_addr;
- * vmcs12->cr3_target_value0 = evmcs->cr3_target_value0;
- * vmcs12->cr3_target_value1 = evmcs->cr3_target_value1;
- * vmcs12->cr3_target_value2 = evmcs->cr3_target_value2;
- * vmcs12->cr3_target_value3 = evmcs->cr3_target_value3;
* vmcs12->page_fault_error_code_mask =
* evmcs->page_fault_error_code_mask;
* vmcs12->page_fault_error_code_match =
@@ -1777,10 +1848,6 @@ static int copy_vmcs12_to_enlightened(struct vcpu_vmx *vmx)
* evmcs->vm_exit_msr_store_addr = vmcs12->vm_exit_msr_store_addr;
* evmcs->vm_exit_msr_load_addr = vmcs12->vm_exit_msr_load_addr;
* evmcs->vm_entry_msr_load_addr = vmcs12->vm_entry_msr_load_addr;
- * evmcs->cr3_target_value0 = vmcs12->cr3_target_value0;
- * evmcs->cr3_target_value1 = vmcs12->cr3_target_value1;
- * evmcs->cr3_target_value2 = vmcs12->cr3_target_value2;
- * evmcs->cr3_target_value3 = vmcs12->cr3_target_value3;
* evmcs->tpr_threshold = vmcs12->tpr_threshold;
* evmcs->virtual_processor_id = vmcs12->virtual_processor_id;
* evmcs->exception_bitmap = vmcs12->exception_bitmap;
@@ -2020,9 +2087,25 @@ static enum hrtimer_restart vmx_preemption_timer_fn(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
-static void vmx_start_preemption_timer(struct kvm_vcpu *vcpu)
+static u64 vmx_calc_preemption_timer_value(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+
+ u64 l1_scaled_tsc = kvm_read_l1_tsc(vcpu, rdtsc()) >>
+ VMX_MISC_EMULATED_PREEMPTION_TIMER_RATE;
+
+ if (!vmx->nested.has_preemption_timer_deadline) {
+ vmx->nested.preemption_timer_deadline =
+ vmcs12->vmx_preemption_timer_value + l1_scaled_tsc;
+ vmx->nested.has_preemption_timer_deadline = true;
+ }
+ return vmx->nested.preemption_timer_deadline - l1_scaled_tsc;
+}
+
+static void vmx_start_preemption_timer(struct kvm_vcpu *vcpu,
+ u64 preemption_timeout)
{
- u64 preemption_timeout = get_vmcs12(vcpu)->vmx_preemption_timer_value;
struct vcpu_vmx *vmx = to_vmx(vcpu);
/*
@@ -2041,7 +2124,8 @@ static void vmx_start_preemption_timer(struct kvm_vcpu *vcpu)
preemption_timeout *= 1000000;
do_div(preemption_timeout, vcpu->arch.virtual_tsc_khz);
hrtimer_start(&vmx->nested.preemption_timer,
- ns_to_ktime(preemption_timeout), HRTIMER_MODE_REL);
+ ktime_add_ns(ktime_get(), preemption_timeout),
+ HRTIMER_MODE_ABS_PINNED);
}
static u64 nested_vmx_calc_efer(struct vcpu_vmx *vmx, struct vmcs12 *vmcs12)
@@ -2398,7 +2482,7 @@ static void prepare_vmcs02_rare(struct vcpu_vmx *vmx, struct vmcs12 *vmcs12)
* is assigned to entry_failure_code on failure.
*/
static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
- u32 *entry_failure_code)
+ enum vm_entry_failure_code *entry_failure_code)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct hv_enlightened_vmcs *hv_evmcs = vmx->nested.hv_evmcs;
@@ -2447,32 +2531,7 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
if (kvm_has_tsc_control)
decache_tsc_multiplier(vmx);
- if (enable_vpid) {
- /*
- * There is no direct mapping between vpid02 and vpid12, the
- * vpid02 is per-vCPU for L0 and reused while the value of
- * vpid12 is changed w/ one invvpid during nested vmentry.
- * The vpid12 is allocated by L1 for L2, so it will not
- * influence global bitmap(for vpid01 and vpid02 allocation)
- * even if spawn a lot of nested vCPUs.
- */
- if (nested_cpu_has_vpid(vmcs12) && nested_has_guest_tlb_tag(vcpu)) {
- if (vmcs12->virtual_processor_id != vmx->nested.last_vpid) {
- vmx->nested.last_vpid = vmcs12->virtual_processor_id;
- __vmx_flush_tlb(vcpu, nested_get_vpid02(vcpu), false);
- }
- } else {
- /*
- * If L1 use EPT, then L0 needs to execute INVEPT on
- * EPTP02 instead of EPTP01. Therefore, delay TLB
- * flush until vmcs02->eptp is fully updated by
- * KVM_REQ_LOAD_MMU_PGD. Note that this assumes
- * KVM_REQ_TLB_FLUSH is evaluated after
- * KVM_REQ_LOAD_MMU_PGD in vcpu_enter_guest().
- */
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
- }
- }
+ nested_vmx_transition_tlb_flush(vcpu, vmcs12, true);
if (nested_cpu_has_ept(vmcs12))
nested_ept_init_mmu_context(vcpu);
@@ -2883,11 +2942,11 @@ static int nested_check_guest_non_reg_state(struct vmcs12 *vmcs12)
static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12,
- u32 *exit_qual)
+ enum vm_entry_failure_code *entry_failure_code)
{
bool ia32e;
- *exit_qual = ENTRY_FAIL_DEFAULT;
+ *entry_failure_code = ENTRY_FAIL_DEFAULT;
if (CC(!nested_guest_cr0_valid(vcpu, vmcs12->guest_cr0)) ||
CC(!nested_guest_cr4_valid(vcpu, vmcs12->guest_cr4)))
@@ -2902,7 +2961,7 @@ static int nested_vmx_check_guest_state(struct kvm_vcpu *vcpu,
return -EINVAL;
if (nested_vmx_check_vmcs_link_ptr(vcpu, vmcs12)) {
- *exit_qual = ENTRY_FAIL_VMCS_LINK_PTR;
+ *entry_failure_code = ENTRY_FAIL_VMCS_LINK_PTR;
return -EINVAL;
}
@@ -3194,9 +3253,12 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ enum vm_entry_failure_code entry_failure_code;
bool evaluate_pending_interrupts;
- u32 exit_reason = EXIT_REASON_INVALID_STATE;
- u32 exit_qual;
+ u32 exit_reason, failed_index;
+
+ if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu))
+ kvm_vcpu_flush_tlb_current(vcpu);
evaluate_pending_interrupts = exec_controls_get(vmx) &
(CPU_BASED_INTR_WINDOW_EXITING | CPU_BASED_NMI_WINDOW_EXITING);
@@ -3241,24 +3303,33 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
return NVMX_VMENTRY_VMFAIL;
}
- if (nested_vmx_check_guest_state(vcpu, vmcs12, &exit_qual))
+ if (nested_vmx_check_guest_state(vcpu, vmcs12,
+ &entry_failure_code)) {
+ exit_reason = EXIT_REASON_INVALID_STATE;
+ vmcs12->exit_qualification = entry_failure_code;
goto vmentry_fail_vmexit;
+ }
}
enter_guest_mode(vcpu);
if (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETTING)
vcpu->arch.tsc_offset += vmcs12->tsc_offset;
- if (prepare_vmcs02(vcpu, vmcs12, &exit_qual))
+ if (prepare_vmcs02(vcpu, vmcs12, &entry_failure_code)) {
+ exit_reason = EXIT_REASON_INVALID_STATE;
+ vmcs12->exit_qualification = entry_failure_code;
goto vmentry_fail_vmexit_guest_mode;
+ }
if (from_vmentry) {
- exit_reason = EXIT_REASON_MSR_LOAD_FAIL;
- exit_qual = nested_vmx_load_msr(vcpu,
- vmcs12->vm_entry_msr_load_addr,
- vmcs12->vm_entry_msr_load_count);
- if (exit_qual)
+ failed_index = nested_vmx_load_msr(vcpu,
+ vmcs12->vm_entry_msr_load_addr,
+ vmcs12->vm_entry_msr_load_count);
+ if (failed_index) {
+ exit_reason = EXIT_REASON_MSR_LOAD_FAIL;
+ vmcs12->exit_qualification = failed_index;
goto vmentry_fail_vmexit_guest_mode;
+ }
} else {
/*
* The MMU is not initialized to point at the right entities yet and
@@ -3293,8 +3364,10 @@ enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
* the timer.
*/
vmx->nested.preemption_timer_expired = false;
- if (nested_cpu_has_preemption_timer(vmcs12))
- vmx_start_preemption_timer(vcpu);
+ if (nested_cpu_has_preemption_timer(vmcs12)) {
+ u64 timer_value = vmx_calc_preemption_timer_value(vcpu);
+ vmx_start_preemption_timer(vcpu, timer_value);
+ }
/*
* Note no nested_vmx_succeed or nested_vmx_fail here. At this point
@@ -3322,7 +3395,6 @@ vmentry_fail_vmexit:
load_vmcs12_host_state(vcpu, vmcs12);
vmcs12->vm_exit_reason = exit_reason | VMX_EXIT_REASONS_FAILED_VMENTRY;
- vmcs12->exit_qualification = exit_qual;
if (enable_shadow_vmcs || vmx->nested.hv_evmcs)
vmx->nested.need_vmcs12_to_shadow_sync = true;
return NVMX_VMENTRY_VMEXIT;
@@ -3403,6 +3475,7 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch)
* the nested entry.
*/
vmx->nested.nested_run_pending = 1;
+ vmx->nested.has_preemption_timer_deadline = false;
status = nested_vmx_enter_non_root_mode(vcpu, true);
if (unlikely(status != NVMX_VMENTRY_SUCCESS))
goto vmentry_failed;
@@ -3632,6 +3705,12 @@ static void nested_vmx_update_pending_dbg(struct kvm_vcpu *vcpu)
vcpu->arch.exception.payload);
}
+static bool nested_vmx_preemption_timer_pending(struct kvm_vcpu *vcpu)
+{
+ return nested_cpu_has_preemption_timer(get_vmcs12(vcpu)) &&
+ to_vmx(vcpu)->nested.preemption_timer_expired;
+}
+
static int vmx_check_nested_events(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -3661,11 +3740,11 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu)
/*
* Process any exceptions that are not debug traps before MTF.
*/
- if (vcpu->arch.exception.pending &&
- !vmx_pending_dbg_trap(vcpu) &&
- nested_vmx_check_exception(vcpu, &exit_qual)) {
+ if (vcpu->arch.exception.pending && !vmx_pending_dbg_trap(vcpu)) {
if (block_nested_events)
return -EBUSY;
+ if (!nested_vmx_check_exception(vcpu, &exit_qual))
+ goto no_vmexit;
nested_vmx_inject_exception_vmexit(vcpu, exit_qual);
return 0;
}
@@ -3678,25 +3757,34 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu)
return 0;
}
- if (vcpu->arch.exception.pending &&
- nested_vmx_check_exception(vcpu, &exit_qual)) {
+ if (vcpu->arch.exception.pending) {
if (block_nested_events)
return -EBUSY;
+ if (!nested_vmx_check_exception(vcpu, &exit_qual))
+ goto no_vmexit;
nested_vmx_inject_exception_vmexit(vcpu, exit_qual);
return 0;
}
- if (nested_cpu_has_preemption_timer(get_vmcs12(vcpu)) &&
- vmx->nested.preemption_timer_expired) {
+ if (nested_vmx_preemption_timer_pending(vcpu)) {
if (block_nested_events)
return -EBUSY;
nested_vmx_vmexit(vcpu, EXIT_REASON_PREEMPTION_TIMER, 0, 0);
return 0;
}
- if (vcpu->arch.nmi_pending && nested_exit_on_nmi(vcpu)) {
+ if (vcpu->arch.smi_pending && !is_smm(vcpu)) {
+ if (block_nested_events)
+ return -EBUSY;
+ goto no_vmexit;
+ }
+
+ if (vcpu->arch.nmi_pending && !vmx_nmi_blocked(vcpu)) {
if (block_nested_events)
return -EBUSY;
+ if (!nested_exit_on_nmi(vcpu))
+ goto no_vmexit;
+
nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI,
NMI_VECTOR | INTR_TYPE_NMI_INTR |
INTR_INFO_VALID_MASK, 0);
@@ -3709,13 +3797,16 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu)
return 0;
}
- if (kvm_cpu_has_interrupt(vcpu) && nested_exit_on_intr(vcpu)) {
+ if (kvm_cpu_has_interrupt(vcpu) && !vmx_interrupt_blocked(vcpu)) {
if (block_nested_events)
return -EBUSY;
+ if (!nested_exit_on_intr(vcpu))
+ goto no_vmexit;
nested_vmx_vmexit(vcpu, EXIT_REASON_EXTERNAL_INTERRUPT, 0, 0);
return 0;
}
+no_vmexit:
vmx_complete_nested_posted_interrupt(vcpu);
return 0;
}
@@ -3842,12 +3933,12 @@ static void copy_vmcs02_to_vmcs12_rare(struct kvm_vcpu *vcpu,
cpu = get_cpu();
vmx->loaded_vmcs = &vmx->nested.vmcs02;
- vmx_vcpu_load(&vmx->vcpu, cpu);
+ vmx_vcpu_load_vmcs(vcpu, cpu, &vmx->vmcs01);
sync_vmcs02_to_vmcs12_rare(vcpu, vmcs12);
vmx->loaded_vmcs = &vmx->vmcs01;
- vmx_vcpu_load(&vmx->vcpu, cpu);
+ vmx_vcpu_load_vmcs(vcpu, cpu, &vmx->nested.vmcs02);
put_cpu();
}
@@ -3876,10 +3967,6 @@ static void sync_vmcs02_to_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
vmcs12->guest_cs_ar_bytes = vmcs_read32(GUEST_CS_AR_BYTES);
vmcs12->guest_ss_ar_bytes = vmcs_read32(GUEST_SS_AR_BYTES);
- vmcs12->guest_sysenter_cs = vmcs_read32(GUEST_SYSENTER_CS);
- vmcs12->guest_sysenter_esp = vmcs_readl(GUEST_SYSENTER_ESP);
- vmcs12->guest_sysenter_eip = vmcs_readl(GUEST_SYSENTER_EIP);
-
vmcs12->guest_interruptibility_info =
vmcs_read32(GUEST_INTERRUPTIBILITY_INFO);
@@ -3889,9 +3976,10 @@ static void sync_vmcs02_to_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
vmcs12->guest_activity_state = GUEST_ACTIVITY_ACTIVE;
if (nested_cpu_has_preemption_timer(vmcs12) &&
- vmcs12->vm_exit_controls & VM_EXIT_SAVE_VMX_PREEMPTION_TIMER)
- vmcs12->vmx_preemption_timer_value =
- vmx_get_preemption_timer_value(vcpu);
+ vmcs12->vm_exit_controls & VM_EXIT_SAVE_VMX_PREEMPTION_TIMER &&
+ !vmx->nested.nested_run_pending)
+ vmcs12->vmx_preemption_timer_value =
+ vmx_get_preemption_timer_value(vcpu);
/*
* In some cases (usually, nested EPT), L2 is allowed to change its
@@ -3939,11 +4027,11 @@ static void sync_vmcs02_to_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)
* which already writes to vmcs12 directly.
*/
static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
- u32 exit_reason, u32 exit_intr_info,
+ u32 vm_exit_reason, u32 exit_intr_info,
unsigned long exit_qualification)
{
/* update exit information fields: */
- vmcs12->vm_exit_reason = exit_reason;
+ vmcs12->vm_exit_reason = vm_exit_reason;
vmcs12->exit_qualification = exit_qualification;
vmcs12->vm_exit_intr_info = exit_intr_info;
@@ -3998,8 +4086,8 @@ static void prepare_vmcs12(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
+ enum vm_entry_failure_code ignored;
struct kvm_segment seg;
- u32 entry_failure_code;
if (vmcs12->vm_exit_controls & VM_EXIT_LOAD_IA32_EFER)
vcpu->arch.efer = vmcs12->host_ia32_efer;
@@ -4034,30 +4122,13 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
* Only PDPTE load can fail as the value of cr3 was checked on entry and
* couldn't have changed.
*/
- if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &entry_failure_code))
+ if (nested_vmx_load_cr3(vcpu, vmcs12->host_cr3, false, &ignored))
nested_vmx_abort(vcpu, VMX_ABORT_LOAD_HOST_PDPTE_FAIL);
if (!enable_ept)
vcpu->arch.walk_mmu->inject_page_fault = kvm_inject_page_fault;
- /*
- * If vmcs01 doesn't use VPID, CPU flushes TLB on every
- * VMEntry/VMExit. Thus, no need to flush TLB.
- *
- * If vmcs12 doesn't use VPID, L1 expects TLB to be
- * flushed on every VMEntry/VMExit.
- *
- * Otherwise, we can preserve TLB entries as long as we are
- * able to tag L1 TLB entries differently than L2 TLB entries.
- *
- * If vmcs12 uses EPT, we need to execute this flush on EPTP01
- * and therefore we request the TLB flush to happen only after VMCS EPTP
- * has been set by KVM_REQ_LOAD_MMU_PGD.
- */
- if (enable_vpid &&
- (!nested_cpu_has_vpid(vmcs12) || !nested_has_guest_tlb_tag(vcpu))) {
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
- }
+ nested_vmx_transition_tlb_flush(vcpu, vmcs12, false);
vmcs_write32(GUEST_SYSENTER_CS, vmcs12->host_ia32_sysenter_cs);
vmcs_writel(GUEST_SYSENTER_ESP, vmcs12->host_ia32_sysenter_esp);
@@ -4204,7 +4275,7 @@ static void nested_vmx_restore_host_state(struct kvm_vcpu *vcpu)
* VMFail, like everything else we just need to ensure our
* software model is up-to-date.
*/
- if (enable_ept)
+ if (enable_ept && is_pae_paging(vcpu))
ept_save_pdptrs(vcpu);
kvm_mmu_reset_context(vcpu);
@@ -4272,7 +4343,7 @@ vmabort:
* and modify vmcs12 to make it see what it would expect to see there if
* L2 was its real guest. Must only be called when in L2 (is_guest_mode())
*/
-void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
+void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
u32 exit_intr_info, unsigned long exit_qualification)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -4281,6 +4352,10 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
/* trying to cancel vmlaunch/vmresume is a bug */
WARN_ON_ONCE(vmx->nested.nested_run_pending);
+ /* Service the TLB flush request for L2 before switching to L1. */
+ if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu))
+ kvm_vcpu_flush_tlb_current(vcpu);
+
leave_guest_mode(vcpu);
if (nested_cpu_has_preemption_timer(vmcs12))
@@ -4292,9 +4367,9 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
if (likely(!vmx->fail)) {
sync_vmcs02_to_vmcs12(vcpu, vmcs12);
- if (exit_reason != -1)
- prepare_vmcs12(vcpu, vmcs12, exit_reason, exit_intr_info,
- exit_qualification);
+ if (vm_exit_reason != -1)
+ prepare_vmcs12(vcpu, vmcs12, vm_exit_reason,
+ exit_intr_info, exit_qualification);
/*
* Must happen outside of sync_vmcs02_to_vmcs12() as it will
@@ -4344,20 +4419,20 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
kvm_vcpu_unmap(vcpu, &vmx->nested.pi_desc_map, true);
vmx->nested.pi_desc = NULL;
- /*
- * We are now running in L2, mmu_notifier will force to reload the
- * page's hpa for L2 vmcs. Need to reload it for L1 before entering L1.
- */
- kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
+ if (vmx->nested.reload_vmcs01_apic_access_page) {
+ vmx->nested.reload_vmcs01_apic_access_page = false;
+ kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
+ }
- if ((exit_reason != -1) && (enable_shadow_vmcs || vmx->nested.hv_evmcs))
+ if ((vm_exit_reason != -1) &&
+ (enable_shadow_vmcs || vmx->nested.hv_evmcs))
vmx->nested.need_vmcs12_to_shadow_sync = true;
/* in case we halted in L2 */
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
if (likely(!vmx->fail)) {
- if (exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT &&
+ if ((u16)vm_exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT &&
nested_exit_intr_ack_set(vcpu)) {
int irq = kvm_cpu_get_interrupt(vcpu);
WARN_ON(irq < 0);
@@ -4365,7 +4440,7 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
INTR_INFO_VALID_MASK | INTR_TYPE_EXT_INTR;
}
- if (exit_reason != -1)
+ if (vm_exit_reason != -1)
trace_kvm_nested_vmexit_inject(vmcs12->vm_exit_reason,
vmcs12->exit_qualification,
vmcs12->idt_vectoring_info_field,
@@ -4554,13 +4629,13 @@ static int nested_vmx_get_vmptr(struct kvm_vcpu *vcpu, gpa_t *vmpointer)
gva_t gva;
struct x86_exception e;
- if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
+ if (get_vmx_mem_address(vcpu, vmx_get_exit_qual(vcpu),
vmcs_read32(VMX_INSTRUCTION_INFO), false,
sizeof(*vmpointer), &gva))
return 1;
if (kvm_read_guest_virt(vcpu, gva, vmpointer, sizeof(*vmpointer), &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
@@ -4614,7 +4689,7 @@ static int enter_vmx_operation(struct kvm_vcpu *vcpu)
goto out_shadow_vmcs;
hrtimer_init(&vmx->nested.preemption_timer, CLOCK_MONOTONIC,
- HRTIMER_MODE_REL_PINNED);
+ HRTIMER_MODE_ABS_PINNED);
vmx->nested.preemption_timer.function = vmx_preemption_timer_fn;
vmx->nested.vpid02 = allocate_vpid();
@@ -4819,7 +4894,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
{
struct vmcs12 *vmcs12 = is_guest_mode(vcpu) ? get_shadow_vmcs12(vcpu)
: get_vmcs12(vcpu);
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
u32 instr_info = vmcs_read32(VMX_INSTRUCTION_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct x86_exception e;
@@ -4869,7 +4944,7 @@ static int handle_vmread(struct kvm_vcpu *vcpu)
return 1;
/* _system ok, nested_vmx_check_permission has verified cpl=0 */
if (kvm_write_guest_virt_system(vcpu, gva, &value, len, &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
}
@@ -4905,7 +4980,7 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
{
struct vmcs12 *vmcs12 = is_guest_mode(vcpu) ? get_shadow_vmcs12(vcpu)
: get_vmcs12(vcpu);
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
u32 instr_info = vmcs_read32(VMX_INSTRUCTION_INFO);
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct x86_exception e;
@@ -4943,7 +5018,7 @@ static int handle_vmwrite(struct kvm_vcpu *vcpu)
instr_info, false, len, &gva))
return 1;
if (kvm_read_guest_virt(vcpu, gva, &value, len, &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
}
@@ -5090,7 +5165,7 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu)
/* Emulate the VMPTRST instruction */
static int handle_vmptrst(struct kvm_vcpu *vcpu)
{
- unsigned long exit_qual = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qual = vmx_get_exit_qual(vcpu);
u32 instr_info = vmcs_read32(VMX_INSTRUCTION_INFO);
gpa_t current_vmptr = to_vmx(vcpu)->nested.current_vmptr;
struct x86_exception e;
@@ -5108,23 +5183,33 @@ static int handle_vmptrst(struct kvm_vcpu *vcpu)
/* *_system ok, nested_vmx_check_permission has verified cpl=0 */
if (kvm_write_guest_virt_system(vcpu, gva, (void *)&current_vmptr,
sizeof(gpa_t), &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
return nested_vmx_succeed(vcpu);
}
+#define EPTP_PA_MASK GENMASK_ULL(51, 12)
+
+static bool nested_ept_root_matches(hpa_t root_hpa, u64 root_eptp, u64 eptp)
+{
+ return VALID_PAGE(root_hpa) &&
+ ((root_eptp & EPTP_PA_MASK) == (eptp & EPTP_PA_MASK));
+}
+
/* Emulate the INVEPT instruction */
static int handle_invept(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 vmx_instruction_info, types;
- unsigned long type;
+ unsigned long type, roots_to_free;
+ struct kvm_mmu *mmu;
gva_t gva;
struct x86_exception e;
struct {
u64 eptp, gpa;
} operand;
+ int i;
if (!(vmx->nested.msrs.secondary_ctls_high &
SECONDARY_EXEC_ENABLE_EPT) ||
@@ -5148,27 +5233,49 @@ static int handle_invept(struct kvm_vcpu *vcpu)
/* According to the Intel VMX instruction reference, the memory
* operand is read even if it isn't needed (e.g., for type==global)
*/
- if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
+ if (get_vmx_mem_address(vcpu, vmx_get_exit_qual(vcpu),
vmx_instruction_info, false, sizeof(operand), &gva))
return 1;
if (kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
- switch (type) {
- case VMX_EPT_EXTENT_GLOBAL:
- case VMX_EPT_EXTENT_CONTEXT:
/*
- * TODO: Sync the necessary shadow EPT roots here, rather than
- * at the next emulated VM-entry.
+ * Nested EPT roots are always held through guest_mmu,
+ * not root_mmu.
*/
+ mmu = &vcpu->arch.guest_mmu;
+
+ switch (type) {
+ case VMX_EPT_EXTENT_CONTEXT:
+ if (!nested_vmx_check_eptp(vcpu, operand.eptp))
+ return nested_vmx_failValid(vcpu,
+ VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+
+ roots_to_free = 0;
+ if (nested_ept_root_matches(mmu->root_hpa, mmu->root_pgd,
+ operand.eptp))
+ roots_to_free |= KVM_MMU_ROOT_CURRENT;
+
+ for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++) {
+ if (nested_ept_root_matches(mmu->prev_roots[i].hpa,
+ mmu->prev_roots[i].pgd,
+ operand.eptp))
+ roots_to_free |= KVM_MMU_ROOT_PREVIOUS(i);
+ }
+ break;
+ case VMX_EPT_EXTENT_GLOBAL:
+ roots_to_free = KVM_MMU_ROOTS_ALL;
break;
default:
- BUG_ON(1);
+ BUG();
break;
}
+ if (roots_to_free)
+ kvm_mmu_free_roots(vcpu, mmu, roots_to_free);
+
return nested_vmx_succeed(vcpu);
}
@@ -5208,11 +5315,11 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
/* according to the intel vmx instruction reference, the memory
* operand is read even if it isn't needed (e.g., for type==global)
*/
- if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
+ if (get_vmx_mem_address(vcpu, vmx_get_exit_qual(vcpu),
vmx_instruction_info, false, sizeof(operand), &gva))
return 1;
if (kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
if (operand.vpid >> 16)
@@ -5226,27 +5333,37 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
is_noncanonical_address(operand.gla, vcpu))
return nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
- if (cpu_has_vmx_invvpid_individual_addr()) {
- __invvpid(VMX_VPID_EXTENT_INDIVIDUAL_ADDR,
- vpid02, operand.gla);
- } else
- __vmx_flush_tlb(vcpu, vpid02, false);
+ vpid_sync_vcpu_addr(vpid02, operand.gla);
break;
case VMX_VPID_EXTENT_SINGLE_CONTEXT:
case VMX_VPID_EXTENT_SINGLE_NON_GLOBAL:
if (!operand.vpid)
return nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
- __vmx_flush_tlb(vcpu, vpid02, false);
+ vpid_sync_context(vpid02);
break;
case VMX_VPID_EXTENT_ALL_CONTEXT:
- __vmx_flush_tlb(vcpu, vpid02, false);
+ vpid_sync_context(vpid02);
break;
default:
WARN_ON_ONCE(1);
return kvm_skip_emulated_instruction(vcpu);
}
+ /*
+ * Sync the shadow page tables if EPT is disabled, L1 is invalidating
+ * linear mappings for L2 (tagged with L2's VPID). Free all roots as
+ * VPIDs are not tracked in the MMU role.
+ *
+ * Note, this operates on root_mmu, not guest_mmu, as L1 and L2 share
+ * an MMU when EPT is disabled.
+ *
+ * TODO: sync only the affected SPTEs for INVDIVIDUAL_ADDR.
+ */
+ if (!enable_ept)
+ kvm_mmu_free_roots(vcpu, &vcpu->arch.root_mmu,
+ KVM_MMU_ROOTS_ALL);
+
return nested_vmx_succeed(vcpu);
}
@@ -5327,8 +5444,8 @@ static int handle_vmfunc(struct kvm_vcpu *vcpu)
fail:
nested_vmx_vmexit(vcpu, vmx->exit_reason,
- vmcs_read32(VM_EXIT_INTR_INFO),
- vmcs_readl(EXIT_QUALIFICATION));
+ vmx_get_intr_info(vcpu),
+ vmx_get_exit_qual(vcpu));
return 1;
}
@@ -5379,7 +5496,7 @@ static bool nested_vmx_exit_handled_io(struct kvm_vcpu *vcpu,
if (!nested_cpu_has(vmcs12, CPU_BASED_USE_IO_BITMAPS))
return nested_cpu_has(vmcs12, CPU_BASED_UNCOND_IO_EXITING);
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
port = exit_qualification >> 16;
size = (exit_qualification & 7) + 1;
@@ -5433,7 +5550,7 @@ static bool nested_vmx_exit_handled_msr(struct kvm_vcpu *vcpu,
static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu,
struct vmcs12 *vmcs12)
{
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
int cr = exit_qualification & 15;
int reg;
unsigned long val;
@@ -5449,15 +5566,6 @@ static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu,
return true;
break;
case 3:
- if ((vmcs12->cr3_target_count >= 1 &&
- vmcs12->cr3_target_value0 == val) ||
- (vmcs12->cr3_target_count >= 2 &&
- vmcs12->cr3_target_value1 == val) ||
- (vmcs12->cr3_target_count >= 3 &&
- vmcs12->cr3_target_value2 == val) ||
- (vmcs12->cr3_target_count >= 4 &&
- vmcs12->cr3_target_value3 == val))
- return false;
if (nested_cpu_has(vmcs12, CPU_BASED_CR3_LOAD_EXITING))
return true;
break;
@@ -5533,50 +5641,103 @@ static bool nested_vmx_exit_handled_vmcs_access(struct kvm_vcpu *vcpu,
return 1 & (b >> (field & 7));
}
-/*
- * Return 1 if we should exit from L2 to L1 to handle an exit, or 0 if we
- * should handle it ourselves in L0 (and then continue L2). Only call this
- * when in is_guest_mode (L2).
- */
-bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
+static bool nested_vmx_exit_handled_mtf(struct vmcs12 *vmcs12)
{
- u32 intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
- struct vcpu_vmx *vmx = to_vmx(vcpu);
- struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ u32 entry_intr_info = vmcs12->vm_entry_intr_info_field;
- WARN_ON_ONCE(vmx->nested.nested_run_pending);
-
- if (unlikely(vmx->fail)) {
- trace_kvm_nested_vmenter_failed(
- "hardware VM-instruction error: ",
- vmcs_read32(VM_INSTRUCTION_ERROR));
+ if (nested_cpu_has_mtf(vmcs12))
return true;
- }
- trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,
- vmcs_readl(EXIT_QUALIFICATION),
- vmx->idt_vectoring_info,
- intr_info,
- vmcs_read32(VM_EXIT_INTR_ERROR_CODE),
- KVM_ISA_VMX);
+ /*
+ * An MTF VM-exit may be injected into the guest by setting the
+ * interruption-type to 7 (other event) and the vector field to 0. Such
+ * is the case regardless of the 'monitor trap flag' VM-execution
+ * control.
+ */
+ return entry_intr_info == (INTR_INFO_VALID_MASK
+ | INTR_TYPE_OTHER_EVENT);
+}
+
+/*
+ * Return true if L0 wants to handle an exit from L2 regardless of whether or not
+ * L1 wants the exit. Only call this when in is_guest_mode (L2).
+ */
+static bool nested_vmx_l0_wants_exit(struct kvm_vcpu *vcpu, u32 exit_reason)
+{
+ u32 intr_info;
switch (exit_reason) {
case EXIT_REASON_EXCEPTION_NMI:
+ intr_info = vmx_get_intr_info(vcpu);
if (is_nmi(intr_info))
- return false;
+ return true;
else if (is_page_fault(intr_info))
- return !vmx->vcpu.arch.apf.host_apf_reason && enable_ept;
+ return vcpu->arch.apf.host_apf_flags || !enable_ept;
else if (is_debug(intr_info) &&
vcpu->guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
- return false;
+ return true;
else if (is_breakpoint(intr_info) &&
vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP)
- return false;
+ return true;
+ return false;
+ case EXIT_REASON_EXTERNAL_INTERRUPT:
+ return true;
+ case EXIT_REASON_MCE_DURING_VMENTRY:
+ return true;
+ case EXIT_REASON_EPT_VIOLATION:
+ /*
+ * L0 always deals with the EPT violation. If nested EPT is
+ * used, and the nested mmu code discovers that the address is
+ * missing in the guest EPT table (EPT12), the EPT violation
+ * will be injected with nested_ept_inject_page_fault()
+ */
+ return true;
+ case EXIT_REASON_EPT_MISCONFIG:
+ /*
+ * L2 never uses directly L1's EPT, but rather L0's own EPT
+ * table (shadow on EPT) or a merged EPT table that L0 built
+ * (EPT on EPT). So any problems with the structure of the
+ * table is L0's fault.
+ */
+ return true;
+ case EXIT_REASON_PREEMPTION_TIMER:
+ return true;
+ case EXIT_REASON_PML_FULL:
+ /* We emulate PML support to L1. */
+ return true;
+ case EXIT_REASON_VMFUNC:
+ /* VM functions are emulated through L2->L0 vmexits. */
+ return true;
+ case EXIT_REASON_ENCLS:
+ /* SGX is never exposed to L1 */
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+/*
+ * Return 1 if L1 wants to intercept an exit from L2. Only call this when in
+ * is_guest_mode (L2).
+ */
+static bool nested_vmx_l1_wants_exit(struct kvm_vcpu *vcpu, u32 exit_reason)
+{
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+ u32 intr_info;
+
+ switch (exit_reason) {
+ case EXIT_REASON_EXCEPTION_NMI:
+ intr_info = vmx_get_intr_info(vcpu);
+ if (is_nmi(intr_info))
+ return true;
+ else if (is_page_fault(intr_info))
+ return true;
return vmcs12->exception_bitmap &
(1u << (intr_info & INTR_INFO_VECTOR_MASK));
case EXIT_REASON_EXTERNAL_INTERRUPT:
- return false;
+ return nested_exit_on_intr(vcpu);
case EXIT_REASON_TRIPLE_FAULT:
return true;
case EXIT_REASON_INTERRUPT_WINDOW:
@@ -5633,7 +5794,7 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
case EXIT_REASON_MWAIT_INSTRUCTION:
return nested_cpu_has(vmcs12, CPU_BASED_MWAIT_EXITING);
case EXIT_REASON_MONITOR_TRAP_FLAG:
- return nested_cpu_has_mtf(vmcs12);
+ return nested_vmx_exit_handled_mtf(vmcs12);
case EXIT_REASON_MONITOR_INSTRUCTION:
return nested_cpu_has(vmcs12, CPU_BASED_MONITOR_EXITING);
case EXIT_REASON_PAUSE_INSTRUCTION:
@@ -5641,7 +5802,7 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
nested_cpu_has2(vmcs12,
SECONDARY_EXEC_PAUSE_LOOP_EXITING);
case EXIT_REASON_MCE_DURING_VMENTRY:
- return false;
+ return true;
case EXIT_REASON_TPR_BELOW_THRESHOLD:
return nested_cpu_has(vmcs12, CPU_BASED_TPR_SHADOW);
case EXIT_REASON_APIC_ACCESS:
@@ -5653,22 +5814,6 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
* delivery" only come from vmcs12.
*/
return true;
- case EXIT_REASON_EPT_VIOLATION:
- /*
- * L0 always deals with the EPT violation. If nested EPT is
- * used, and the nested mmu code discovers that the address is
- * missing in the guest EPT table (EPT12), the EPT violation
- * will be injected with nested_ept_inject_page_fault()
- */
- return false;
- case EXIT_REASON_EPT_MISCONFIG:
- /*
- * L2 never uses directly L1's EPT, but rather L0's own EPT
- * table (shadow on EPT) or a merged EPT table that L0 built
- * (EPT on EPT). So any problems with the structure of the
- * table is L0's fault.
- */
- return false;
case EXIT_REASON_INVPCID:
return
nested_cpu_has2(vmcs12, SECONDARY_EXEC_ENABLE_INVPCID) &&
@@ -5685,17 +5830,6 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
* the XSS exit bitmap in vmcs12.
*/
return nested_cpu_has2(vmcs12, SECONDARY_EXEC_XSAVES);
- case EXIT_REASON_PREEMPTION_TIMER:
- return false;
- case EXIT_REASON_PML_FULL:
- /* We emulate PML support to L1. */
- return false;
- case EXIT_REASON_VMFUNC:
- /* VM functions are emulated through L2->L0 vmexits. */
- return false;
- case EXIT_REASON_ENCLS:
- /* SGX is never exposed to L1 */
- return false;
case EXIT_REASON_UMWAIT:
case EXIT_REASON_TPAUSE:
return nested_cpu_has2(vmcs12,
@@ -5705,6 +5839,67 @@ bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason)
}
}
+/*
+ * Conditionally reflect a VM-Exit into L1. Returns %true if the VM-Exit was
+ * reflected into L1.
+ */
+bool nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+ u32 exit_reason = vmx->exit_reason;
+ unsigned long exit_qual;
+ u32 exit_intr_info;
+
+ WARN_ON_ONCE(vmx->nested.nested_run_pending);
+
+ /*
+ * Late nested VM-Fail shares the same flow as nested VM-Exit since KVM
+ * has already loaded L2's state.
+ */
+ if (unlikely(vmx->fail)) {
+ trace_kvm_nested_vmenter_failed(
+ "hardware VM-instruction error: ",
+ vmcs_read32(VM_INSTRUCTION_ERROR));
+ exit_intr_info = 0;
+ exit_qual = 0;
+ goto reflect_vmexit;
+ }
+
+ exit_intr_info = vmx_get_intr_info(vcpu);
+ exit_qual = vmx_get_exit_qual(vcpu);
+
+ trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason, exit_qual,
+ vmx->idt_vectoring_info, exit_intr_info,
+ vmcs_read32(VM_EXIT_INTR_ERROR_CODE),
+ KVM_ISA_VMX);
+
+ /* If L0 (KVM) wants the exit, it trumps L1's desires. */
+ if (nested_vmx_l0_wants_exit(vcpu, exit_reason))
+ return false;
+
+ /* If L1 doesn't want the exit, handle it in L0. */
+ if (!nested_vmx_l1_wants_exit(vcpu, exit_reason))
+ return false;
+
+ /*
+ * vmcs.VM_EXIT_INTR_INFO is only valid for EXCEPTION_NMI exits. For
+ * EXTERNAL_INTERRUPT, the value for vmcs12->vm_exit_intr_info would
+ * need to be synthesized by querying the in-kernel LAPIC, but external
+ * interrupts are never reflected to L1 so it's a non-issue.
+ */
+ if ((exit_intr_info &
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
+ (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) {
+ struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
+
+ vmcs12->vm_exit_intr_error_code =
+ vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
+ }
+
+reflect_vmexit:
+ nested_vmx_vmexit(vcpu, exit_reason, exit_intr_info, exit_qual);
+ return true;
+}
static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
struct kvm_nested_state __user *user_kvm_nested_state,
@@ -5716,8 +5911,10 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
.flags = 0,
.format = KVM_STATE_NESTED_FORMAT_VMX,
.size = sizeof(kvm_state),
+ .hdr.vmx.flags = 0,
.hdr.vmx.vmxon_pa = -1ull,
.hdr.vmx.vmcs12_pa = -1ull,
+ .hdr.vmx.preemption_timer_deadline = 0,
};
struct kvm_vmx_nested_state_data __user *user_vmx_nested_state =
&user_kvm_nested_state->data.vmx[0];
@@ -5759,6 +5956,14 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
if (vmx->nested.mtf_pending)
kvm_state.flags |= KVM_STATE_NESTED_MTF_PENDING;
+
+ if (nested_cpu_has_preemption_timer(vmcs12) &&
+ vmx->nested.has_preemption_timer_deadline) {
+ kvm_state.hdr.vmx.flags |=
+ KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE;
+ kvm_state.hdr.vmx.preemption_timer_deadline =
+ vmx->nested.preemption_timer_deadline;
+ }
}
}
@@ -5804,7 +6009,6 @@ static int vmx_get_nested_state(struct kvm_vcpu *vcpu,
get_shadow_vmcs12(vcpu), VMCS12_SIZE))
return -EFAULT;
}
-
out:
return kvm_state.size;
}
@@ -5827,7 +6031,7 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct vmcs12 *vmcs12;
- u32 exit_qual;
+ enum vm_entry_failure_code ignored;
struct kvm_vmx_nested_state_data __user *user_vmx_nested_state =
&user_kvm_nested_state->data.vmx[0];
int ret;
@@ -5966,9 +6170,15 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
goto error_guest_mode;
}
+ if (kvm_state->hdr.vmx.flags & KVM_STATE_VMX_PREEMPTION_TIMER_DEADLINE) {
+ vmx->nested.has_preemption_timer_deadline = true;
+ vmx->nested.preemption_timer_deadline =
+ kvm_state->hdr.vmx.preemption_timer_deadline;
+ }
+
if (nested_vmx_check_controls(vcpu, vmcs12) ||
nested_vmx_check_host_state(vcpu, vmcs12) ||
- nested_vmx_check_guest_state(vcpu, vmcs12, &exit_qual))
+ nested_vmx_check_guest_state(vcpu, vmcs12, &ignored))
goto error_guest_mode;
vmx->nested.dirty_vmcs12 = true;
@@ -6014,7 +6224,7 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps)
* reason is that if one of these bits is necessary, it will appear
* in vmcs01 and prepare_vmcs02, when it bitwise-or's the control
* fields of vmcs01 and vmcs02, will turn these bits off - and
- * nested_vmx_exit_reflected() will not pass related exits to L1.
+ * nested_vmx_l1_wants_exit() will not pass related exits to L1.
* These rules have exceptions below.
*/
@@ -6242,8 +6452,7 @@ void nested_vmx_hardware_unsetup(void)
}
}
-__init int nested_vmx_hardware_setup(struct kvm_x86_ops *ops,
- int (*exit_handlers[])(struct kvm_vcpu *))
+__init int nested_vmx_hardware_setup(int (*exit_handlers[])(struct kvm_vcpu *))
{
int i;
@@ -6279,12 +6488,15 @@ __init int nested_vmx_hardware_setup(struct kvm_x86_ops *ops,
exit_handlers[EXIT_REASON_INVVPID] = handle_invvpid;
exit_handlers[EXIT_REASON_VMFUNC] = handle_vmfunc;
- ops->check_nested_events = vmx_check_nested_events;
- ops->get_nested_state = vmx_get_nested_state;
- ops->set_nested_state = vmx_set_nested_state;
- ops->get_vmcs12_pages = nested_get_vmcs12_pages;
- ops->nested_enable_evmcs = nested_enable_evmcs;
- ops->nested_get_evmcs_version = nested_get_evmcs_version;
-
return 0;
}
+
+struct kvm_x86_nested_ops vmx_nested_ops = {
+ .check_events = vmx_check_nested_events,
+ .hv_timer_pending = nested_vmx_preemption_timer_pending,
+ .get_state = vmx_get_nested_state,
+ .set_state = vmx_set_nested_state,
+ .get_vmcs12_pages = nested_get_vmcs12_pages,
+ .enable_evmcs = nested_enable_evmcs,
+ .get_evmcs_version = nested_get_evmcs_version,
+};
diff --git a/arch/x86/kvm/vmx/nested.h b/arch/x86/kvm/vmx/nested.h
index ac56aefa49e3..758bccc26cf9 100644
--- a/arch/x86/kvm/vmx/nested.h
+++ b/arch/x86/kvm/vmx/nested.h
@@ -19,14 +19,13 @@ enum nvmx_vmentry_status {
void vmx_leave_nested(struct kvm_vcpu *vcpu);
void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps);
void nested_vmx_hardware_unsetup(void);
-__init int nested_vmx_hardware_setup(struct kvm_x86_ops *ops,
- int (*exit_handlers[])(struct kvm_vcpu *));
+__init int nested_vmx_hardware_setup(int (*exit_handlers[])(struct kvm_vcpu *));
void nested_vmx_set_vmcs_shadowing_bitmap(void);
void nested_vmx_free_vcpu(struct kvm_vcpu *vcpu);
enum nvmx_vmentry_status nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
bool from_vmentry);
-bool nested_vmx_exit_reflected(struct kvm_vcpu *vcpu, u32 exit_reason);
-void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
+bool nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu);
+void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
u32 exit_intr_info, unsigned long exit_qualification);
void nested_sync_vmcs12_to_shadow(struct kvm_vcpu *vcpu);
int vmx_set_vmx_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
@@ -62,6 +61,13 @@ static inline int vmx_has_valid_vmcs12(struct kvm_vcpu *vcpu)
vmx->nested.hv_evmcs;
}
+static inline u16 nested_get_vpid02(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+ return vmx->nested.vpid02 ? vmx->nested.vpid02 : vmx->vpid;
+}
+
static inline unsigned long nested_ept_get_eptp(struct kvm_vcpu *vcpu)
{
/* return the page table to be shadowed - in our case, EPT12 */
@@ -74,34 +80,6 @@ static inline bool nested_ept_ad_enabled(struct kvm_vcpu *vcpu)
}
/*
- * Reflect a VM Exit into L1.
- */
-static inline int nested_vmx_reflect_vmexit(struct kvm_vcpu *vcpu,
- u32 exit_reason)
-{
- u32 exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
-
- /*
- * At this point, the exit interruption info in exit_intr_info
- * is only valid for EXCEPTION_NMI exits. For EXTERNAL_INTERRUPT
- * we need to query the in-kernel LAPIC.
- */
- WARN_ON(exit_reason == EXIT_REASON_EXTERNAL_INTERRUPT);
- if ((exit_intr_info &
- (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) ==
- (INTR_INFO_VALID_MASK | INTR_INFO_DELIVER_CODE_MASK)) {
- struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-
- vmcs12->vm_exit_intr_error_code =
- vmcs_read32(VM_EXIT_INTR_ERROR_CODE);
- }
-
- nested_vmx_vmexit(vcpu, exit_reason, exit_intr_info,
- vmcs_readl(EXIT_QUALIFICATION));
- return 1;
-}
-
-/*
* Return the cr0 value that a nested guest would read. This is a combination
* of the real cr0 used to run the guest (guest_cr0), and the bits shadowed by
* its hypervisor (cr0_read_shadow).
@@ -246,6 +224,11 @@ static inline bool nested_cpu_has_save_preemption_timer(struct vmcs12 *vmcs12)
VM_EXIT_SAVE_VMX_PREEMPTION_TIMER;
}
+static inline bool nested_exit_on_nmi(struct kvm_vcpu *vcpu)
+{
+ return nested_cpu_has_nmi_exiting(get_vmcs12(vcpu));
+}
+
/*
* In nested virtualization, check if L1 asked to exit on external interrupts.
* For most existing hypervisors, this will always return true.
@@ -299,4 +282,6 @@ static inline bool nested_cr4_valid(struct kvm_vcpu *vcpu, unsigned long val)
#define nested_guest_cr4_valid nested_cr4_valid
#define nested_host_cr4_valid nested_cr4_valid
+extern struct kvm_x86_nested_ops vmx_nested_ops;
+
#endif /* __KVM_X86_VMX_NESTED_H */
diff --git a/arch/x86/kvm/vmx/ops.h b/arch/x86/kvm/vmx/ops.h
index 19717d0a1100..5f1ac002b4b6 100644
--- a/arch/x86/kvm/vmx/ops.h
+++ b/arch/x86/kvm/vmx/ops.h
@@ -268,42 +268,38 @@ static inline void __invept(unsigned long ext, u64 eptp, gpa_t gpa)
vmx_asm2(invept, "r"(ext), "m"(operand), ext, eptp, gpa);
}
-static inline bool vpid_sync_vcpu_addr(int vpid, gva_t addr)
-{
- if (vpid == 0)
- return true;
-
- if (cpu_has_vmx_invvpid_individual_addr()) {
- __invvpid(VMX_VPID_EXTENT_INDIVIDUAL_ADDR, vpid, addr);
- return true;
- }
-
- return false;
-}
-
static inline void vpid_sync_vcpu_single(int vpid)
{
if (vpid == 0)
return;
- if (cpu_has_vmx_invvpid_single())
- __invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vpid, 0);
+ __invvpid(VMX_VPID_EXTENT_SINGLE_CONTEXT, vpid, 0);
}
static inline void vpid_sync_vcpu_global(void)
{
- if (cpu_has_vmx_invvpid_global())
- __invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
+ __invvpid(VMX_VPID_EXTENT_ALL_CONTEXT, 0, 0);
}
static inline void vpid_sync_context(int vpid)
{
if (cpu_has_vmx_invvpid_single())
vpid_sync_vcpu_single(vpid);
- else
+ else if (vpid != 0)
vpid_sync_vcpu_global();
}
+static inline void vpid_sync_vcpu_addr(int vpid, gva_t addr)
+{
+ if (vpid == 0)
+ return;
+
+ if (cpu_has_vmx_invvpid_individual_addr())
+ __invvpid(VMX_VPID_EXTENT_INDIVIDUAL_ADDR, vpid, addr);
+ else
+ vpid_sync_context(vpid);
+}
+
static inline void ept_sync_global(void)
{
__invept(VMX_EPT_EXTENT_GLOBAL, 0, 0);
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 7c857737b438..d33d890b605f 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -18,6 +18,8 @@
#include "nested.h"
#include "pmu.h"
+#define MSR_PMC_FULL_WIDTH_BIT (MSR_IA32_PMC0 - MSR_IA32_PERFCTR0)
+
static struct kvm_event_hw_type_mapping intel_arch_events[] = {
/* Index must match CPUID 0x0A.EBX bit vector */
[0] = { 0x3c, 0x00, PERF_COUNT_HW_CPU_CYCLES },
@@ -150,6 +152,22 @@ static struct kvm_pmc *intel_rdpmc_ecx_to_pmc(struct kvm_vcpu *vcpu,
return &counters[array_index_nospec(idx, num_counters)];
}
+static inline bool fw_writes_is_enabled(struct kvm_vcpu *vcpu)
+{
+ if (!guest_cpuid_has(vcpu, X86_FEATURE_PDCM))
+ return false;
+
+ return vcpu->arch.perf_capabilities & PMU_CAP_FW_WRITES;
+}
+
+static inline struct kvm_pmc *get_fw_gp_pmc(struct kvm_pmu *pmu, u32 msr)
+{
+ if (!fw_writes_is_enabled(pmu_to_vcpu(pmu)))
+ return NULL;
+
+ return get_gp_pmc(pmu, msr, MSR_IA32_PMC0);
+}
+
static bool intel_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr)
{
struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
@@ -162,10 +180,13 @@ static bool intel_is_valid_msr(struct kvm_vcpu *vcpu, u32 msr)
case MSR_CORE_PERF_GLOBAL_OVF_CTRL:
ret = pmu->version > 1;
break;
+ case MSR_IA32_PERF_CAPABILITIES:
+ ret = guest_cpuid_has(vcpu, X86_FEATURE_PDCM);
+ break;
default:
ret = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0) ||
get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0) ||
- get_fixed_pmc(pmu, msr);
+ get_fixed_pmc(pmu, msr) || get_fw_gp_pmc(pmu, msr);
break;
}
@@ -184,35 +205,45 @@ static struct kvm_pmc *intel_msr_idx_to_pmc(struct kvm_vcpu *vcpu, u32 msr)
return pmc;
}
-static int intel_pmu_get_msr(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
+static int intel_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
{
struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
struct kvm_pmc *pmc;
+ u32 msr = msr_info->index;
switch (msr) {
case MSR_CORE_PERF_FIXED_CTR_CTRL:
- *data = pmu->fixed_ctr_ctrl;
+ msr_info->data = pmu->fixed_ctr_ctrl;
return 0;
case MSR_CORE_PERF_GLOBAL_STATUS:
- *data = pmu->global_status;
+ msr_info->data = pmu->global_status;
return 0;
case MSR_CORE_PERF_GLOBAL_CTRL:
- *data = pmu->global_ctrl;
+ msr_info->data = pmu->global_ctrl;
return 0;
case MSR_CORE_PERF_GLOBAL_OVF_CTRL:
- *data = pmu->global_ovf_ctrl;
+ msr_info->data = pmu->global_ovf_ctrl;
+ return 0;
+ case MSR_IA32_PERF_CAPABILITIES:
+ if (!msr_info->host_initiated &&
+ !guest_cpuid_has(vcpu, X86_FEATURE_PDCM))
+ return 1;
+ msr_info->data = vcpu->arch.perf_capabilities;
return 0;
default:
- if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0))) {
+ if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0)) ||
+ (pmc = get_gp_pmc(pmu, msr, MSR_IA32_PMC0))) {
u64 val = pmc_read_counter(pmc);
- *data = val & pmu->counter_bitmask[KVM_PMC_GP];
+ msr_info->data =
+ val & pmu->counter_bitmask[KVM_PMC_GP];
return 0;
} else if ((pmc = get_fixed_pmc(pmu, msr))) {
u64 val = pmc_read_counter(pmc);
- *data = val & pmu->counter_bitmask[KVM_PMC_FIXED];
+ msr_info->data =
+ val & pmu->counter_bitmask[KVM_PMC_FIXED];
return 0;
} else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
- *data = pmc->eventsel;
+ msr_info->data = pmc->eventsel;
return 0;
}
}
@@ -258,9 +289,22 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
return 0;
}
break;
+ case MSR_IA32_PERF_CAPABILITIES:
+ if (!msr_info->host_initiated)
+ return 1;
+ if (guest_cpuid_has(vcpu, X86_FEATURE_PDCM) ?
+ (data & ~vmx_get_perf_capabilities()) : data)
+ return 1;
+ vcpu->arch.perf_capabilities = data;
+ return 0;
default:
- if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0))) {
- if (!msr_info->host_initiated)
+ if ((pmc = get_gp_pmc(pmu, msr, MSR_IA32_PERFCTR0)) ||
+ (pmc = get_gp_pmc(pmu, msr, MSR_IA32_PMC0))) {
+ if ((msr & MSR_PMC_FULL_WIDTH_BIT) &&
+ (data & ~pmu->counter_bitmask[KVM_PMC_GP]))
+ return 1;
+ if (!msr_info->host_initiated &&
+ !(msr & MSR_PMC_FULL_WIDTH_BIT))
data = (s64)(s32)data;
pmc->counter += data - pmc_read_counter(pmc);
if (pmc->perf_event)
@@ -300,6 +344,7 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu)
pmu->counter_bitmask[KVM_PMC_FIXED] = 0;
pmu->version = 0;
pmu->reserved_bits = 0xffffffff00200000ull;
+ vcpu->arch.perf_capabilities = 0;
entry = kvm_find_cpuid_entry(vcpu, 0xa, 0);
if (!entry)
@@ -312,6 +357,8 @@ static void intel_pmu_refresh(struct kvm_vcpu *vcpu)
return;
perf_get_x86_pmu_capability(&x86_pmu);
+ if (guest_cpuid_has(vcpu, X86_FEATURE_PDCM))
+ vcpu->arch.perf_capabilities = vmx_get_perf_capabilities();
pmu->nr_arch_gp_counters = min_t(int, eax.split.num_counters,
x86_pmu.num_counters_gp);
diff --git a/arch/x86/kvm/vmx/vmcs.h b/arch/x86/kvm/vmx/vmcs.h
index 481ad879197b..5c0ff80b85c0 100644
--- a/arch/x86/kvm/vmx/vmcs.h
+++ b/arch/x86/kvm/vmx/vmcs.h
@@ -19,7 +19,7 @@ struct vmcs_hdr {
struct vmcs {
struct vmcs_hdr hdr;
u32 abort;
- char data[0];
+ char data[];
};
DECLARE_PER_CPU(struct vmcs *, current_vmcs);
diff --git a/arch/x86/kvm/vmx/vmcs12.c b/arch/x86/kvm/vmx/vmcs12.c
index 53dfb401316d..c8e51c004f78 100644
--- a/arch/x86/kvm/vmx/vmcs12.c
+++ b/arch/x86/kvm/vmx/vmcs12.c
@@ -115,10 +115,6 @@ const unsigned short vmcs_field_to_offset_table[] = {
FIELD(CR4_GUEST_HOST_MASK, cr4_guest_host_mask),
FIELD(CR0_READ_SHADOW, cr0_read_shadow),
FIELD(CR4_READ_SHADOW, cr4_read_shadow),
- FIELD(CR3_TARGET_VALUE0, cr3_target_value0),
- FIELD(CR3_TARGET_VALUE1, cr3_target_value1),
- FIELD(CR3_TARGET_VALUE2, cr3_target_value2),
- FIELD(CR3_TARGET_VALUE3, cr3_target_value3),
FIELD(EXIT_QUALIFICATION, exit_qualification),
FIELD(GUEST_LINEAR_ADDRESS, guest_linear_address),
FIELD(GUEST_CR0, guest_cr0),
diff --git a/arch/x86/kvm/vmx/vmcs12.h b/arch/x86/kvm/vmx/vmcs12.h
index d0c6df373f67..80232daf00ff 100644
--- a/arch/x86/kvm/vmx/vmcs12.h
+++ b/arch/x86/kvm/vmx/vmcs12.h
@@ -80,10 +80,7 @@ struct __packed vmcs12 {
natural_width cr4_guest_host_mask;
natural_width cr0_read_shadow;
natural_width cr4_read_shadow;
- natural_width cr3_target_value0;
- natural_width cr3_target_value1;
- natural_width cr3_target_value2;
- natural_width cr3_target_value3;
+ natural_width dead_space[4]; /* Last remnants of cr3_target_value[0-3]. */
natural_width exit_qualification;
natural_width guest_linear_address;
natural_width guest_cr0;
@@ -263,10 +260,7 @@ static inline void vmx_check_vmcs12_offsets(void)
CHECK_OFFSET(cr4_guest_host_mask, 352);
CHECK_OFFSET(cr0_read_shadow, 360);
CHECK_OFFSET(cr4_read_shadow, 368);
- CHECK_OFFSET(cr3_target_value0, 376);
- CHECK_OFFSET(cr3_target_value1, 384);
- CHECK_OFFSET(cr3_target_value2, 392);
- CHECK_OFFSET(cr3_target_value3, 400);
+ CHECK_OFFSET(dead_space, 376);
CHECK_OFFSET(exit_qualification, 408);
CHECK_OFFSET(guest_linear_address, 416);
CHECK_OFFSET(guest_cr0, 424);
diff --git a/arch/x86/kvm/vmx/vmenter.S b/arch/x86/kvm/vmx/vmenter.S
index 87f3f24fef37..e0a182cb3cdd 100644
--- a/arch/x86/kvm/vmx/vmenter.S
+++ b/arch/x86/kvm/vmx/vmenter.S
@@ -82,6 +82,9 @@ SYM_FUNC_START(vmx_vmexit)
/* IMPORTANT: Stuff the RSB immediately after VM-Exit, before RET! */
FILL_RETURN_BUFFER %_ASM_AX, RSB_CLEAR_LOOPS, X86_FEATURE_RETPOLINE
+ /* Clear RFLAGS.CF and RFLAGS.ZF to preserve VM-Exit, i.e. !VM-Fail. */
+ or $1, %_ASM_AX
+
pop %_ASM_AX
.Lvmexit_skip_rsb:
#endif
@@ -163,13 +166,13 @@ SYM_FUNC_START(__vmx_vcpu_run)
mov WORD_SIZE(%_ASM_SP), %_ASM_AX
/* Save all guest registers, including RAX from the stack */
- __ASM_SIZE(pop) VCPU_RAX(%_ASM_AX)
- mov %_ASM_CX, VCPU_RCX(%_ASM_AX)
- mov %_ASM_DX, VCPU_RDX(%_ASM_AX)
- mov %_ASM_BX, VCPU_RBX(%_ASM_AX)
- mov %_ASM_BP, VCPU_RBP(%_ASM_AX)
- mov %_ASM_SI, VCPU_RSI(%_ASM_AX)
- mov %_ASM_DI, VCPU_RDI(%_ASM_AX)
+ pop VCPU_RAX(%_ASM_AX)
+ mov %_ASM_CX, VCPU_RCX(%_ASM_AX)
+ mov %_ASM_DX, VCPU_RDX(%_ASM_AX)
+ mov %_ASM_BX, VCPU_RBX(%_ASM_AX)
+ mov %_ASM_BP, VCPU_RBP(%_ASM_AX)
+ mov %_ASM_SI, VCPU_RSI(%_ASM_AX)
+ mov %_ASM_DI, VCPU_RDI(%_ASM_AX)
#ifdef CONFIG_X86_64
mov %r8, VCPU_R8 (%_ASM_AX)
mov %r9, VCPU_R9 (%_ASM_AX)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 83050977490c..170cc76a581f 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -437,6 +437,11 @@ static const struct kvm_vmx_segment_field {
VMX_SEGMENT_FIELD(LDTR),
};
+static inline void vmx_segment_cache_clear(struct vcpu_vmx *vmx)
+{
+ vmx->segment_cache.bitmask = 0;
+}
+
static unsigned long host_idt_base;
/*
@@ -1306,10 +1311,12 @@ after_clear_sn:
pi_set_on(pi_desc);
}
-void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu)
+void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu,
+ struct loaded_vmcs *buddy)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
bool already_loaded = vmx->loaded_vmcs->cpu == cpu;
+ struct vmcs *prev;
if (!already_loaded) {
loaded_vmcs_clear(vmx->loaded_vmcs);
@@ -1328,16 +1335,28 @@ void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu)
local_irq_enable();
}
- if (per_cpu(current_vmcs, cpu) != vmx->loaded_vmcs->vmcs) {
+ prev = per_cpu(current_vmcs, cpu);
+ if (prev != vmx->loaded_vmcs->vmcs) {
per_cpu(current_vmcs, cpu) = vmx->loaded_vmcs->vmcs;
vmcs_load(vmx->loaded_vmcs->vmcs);
- indirect_branch_prediction_barrier();
+
+ /*
+ * No indirect branch prediction barrier needed when switching
+ * the active VMCS within a guest, e.g. on nested VM-Enter.
+ * The L1 VMM can protect itself with retpolines, IBPB or IBRS.
+ */
+ if (!buddy || WARN_ON_ONCE(buddy->vmcs != prev))
+ indirect_branch_prediction_barrier();
}
if (!already_loaded) {
void *gdt = get_current_gdt_ro();
unsigned long sysenter_esp;
+ /*
+ * Flush all EPTP/VPID contexts, the new pCPU may have stale
+ * TLB entries from its previous association with the vCPU.
+ */
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
/*
@@ -1364,15 +1383,14 @@ void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu)
* Switches to specified vcpu, until a matching vcpu_put(), but assumes
* vcpu mutex is already taken.
*/
-void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
+static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
- vmx_vcpu_load_vmcs(vcpu, cpu);
+ vmx_vcpu_load_vmcs(vcpu, cpu, NULL);
vmx_vcpu_pi_load(vcpu, cpu);
- vmx->host_pkru = read_pkru();
vmx->host_debugctlmsr = get_debugctlmsr();
}
@@ -1547,7 +1565,7 @@ static int vmx_rtit_ctl_check(struct kvm_vcpu *vcpu, u64 data)
static int skip_emulated_instruction(struct kvm_vcpu *vcpu)
{
- unsigned long rip;
+ unsigned long rip, orig_rip;
/*
* Using VMCS.VM_EXIT_INSTRUCTION_LEN on EPT misconfig depends on
@@ -1559,8 +1577,17 @@ static int skip_emulated_instruction(struct kvm_vcpu *vcpu)
*/
if (!static_cpu_has(X86_FEATURE_HYPERVISOR) ||
to_vmx(vcpu)->exit_reason != EXIT_REASON_EPT_MISCONFIG) {
- rip = kvm_rip_read(vcpu);
- rip += vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
+ orig_rip = kvm_rip_read(vcpu);
+ rip = orig_rip + vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
+#ifdef CONFIG_X86_64
+ /*
+ * We need to mask out the high 32 bits of RIP if not in 64-bit
+ * mode, but just finding out that we are in 64-bit mode is
+ * quite expensive. Only do it if there was a carry.
+ */
+ if (unlikely(((rip ^ orig_rip) >> 31) == 3) && !is_64_bit_mode(vcpu))
+ rip = (u32)rip;
+#endif
kvm_rip_write(vcpu, rip);
} else {
if (!kvm_emulate_instruction(vcpu, EMULTYPE_SKIP))
@@ -1713,17 +1740,6 @@ static void setup_msrs(struct vcpu_vmx *vmx)
vmx_update_msr_bitmap(&vmx->vcpu);
}
-static u64 vmx_read_l1_tsc_offset(struct kvm_vcpu *vcpu)
-{
- struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
-
- if (is_guest_mode(vcpu) &&
- (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETTING))
- return vcpu->arch.tsc_offset - vmcs12->tsc_offset;
-
- return vcpu->arch.tsc_offset;
-}
-
static u64 vmx_write_l1_tsc_offset(struct kvm_vcpu *vcpu, u64 offset)
{
struct vmcs12 *vmcs12 = get_vmcs12(vcpu);
@@ -1772,6 +1788,9 @@ static int vmx_get_msr_feature(struct kvm_msr_entry *msr)
if (!nested)
return 1;
return vmx_get_vmx_msr(&vmcs_config.nested, msr->index, &msr->data);
+ case MSR_IA32_PERF_CAPABILITIES:
+ msr->data = vmx_get_perf_capabilities();
+ return 0;
default:
return 1;
}
@@ -1927,6 +1946,16 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
return 0;
}
+static u64 nested_vmx_truncate_sysenter_addr(struct kvm_vcpu *vcpu,
+ u64 data)
+{
+#ifdef CONFIG_X86_64
+ if (!guest_cpuid_has(vcpu, X86_FEATURE_LM))
+ return (u32)data;
+#endif
+ return (unsigned long)data;
+}
+
/*
* Writes msr value into the appropriate "register".
* Returns 0 on success, non-0 otherwise.
@@ -1964,13 +1993,17 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
vmcs_write32(GUEST_SYSENTER_CS, data);
break;
case MSR_IA32_SYSENTER_EIP:
- if (is_guest_mode(vcpu))
+ if (is_guest_mode(vcpu)) {
+ data = nested_vmx_truncate_sysenter_addr(vcpu, data);
get_vmcs12(vcpu)->guest_sysenter_eip = data;
+ }
vmcs_writel(GUEST_SYSENTER_EIP, data);
break;
case MSR_IA32_SYSENTER_ESP:
- if (is_guest_mode(vcpu))
+ if (is_guest_mode(vcpu)) {
+ data = nested_vmx_truncate_sysenter_addr(vcpu, data);
get_vmcs12(vcpu)->guest_sysenter_esp = data;
+ }
vmcs_writel(GUEST_SYSENTER_ESP, data);
break;
case MSR_IA32_DEBUGCTLMSR:
@@ -2188,6 +2221,8 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
static void vmx_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
{
+ unsigned long guest_owned_bits;
+
kvm_register_mark_available(vcpu, reg);
switch (reg) {
@@ -2201,10 +2236,22 @@ static void vmx_cache_reg(struct kvm_vcpu *vcpu, enum kvm_reg reg)
if (enable_ept)
ept_save_pdptrs(vcpu);
break;
+ case VCPU_EXREG_CR0:
+ guest_owned_bits = vcpu->arch.cr0_guest_owned_bits;
+
+ vcpu->arch.cr0 &= ~guest_owned_bits;
+ vcpu->arch.cr0 |= vmcs_readl(GUEST_CR0) & guest_owned_bits;
+ break;
case VCPU_EXREG_CR3:
if (enable_unrestricted_guest || (enable_ept && is_paging(vcpu)))
vcpu->arch.cr3 = vmcs_readl(GUEST_CR3);
break;
+ case VCPU_EXREG_CR4:
+ guest_owned_bits = vcpu->arch.cr4_guest_owned_bits;
+
+ vcpu->arch.cr4 &= ~guest_owned_bits;
+ vcpu->arch.cr4 |= vmcs_readl(GUEST_CR4) & guest_owned_bits;
+ break;
default:
WARN_ON_ONCE(1);
break;
@@ -2838,34 +2885,64 @@ static void exit_lmode(struct kvm_vcpu *vcpu)
#endif
-static void vmx_flush_tlb_gva(struct kvm_vcpu *vcpu, gva_t addr)
+static void vmx_flush_tlb_all(struct kvm_vcpu *vcpu)
{
- int vpid = to_vmx(vcpu)->vpid;
-
- if (!vpid_sync_vcpu_addr(vpid, addr))
- vpid_sync_context(vpid);
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
/*
- * If VPIDs are not supported or enabled, then the above is a no-op.
- * But we don't really need a TLB flush in that case anyway, because
- * each VM entry/exit includes an implicit flush when VPID is 0.
+ * INVEPT must be issued when EPT is enabled, irrespective of VPID, as
+ * the CPU is not required to invalidate guest-physical mappings on
+ * VM-Entry, even if VPID is disabled. Guest-physical mappings are
+ * associated with the root EPT structure and not any particular VPID
+ * (INVVPID also isn't required to invalidate guest-physical mappings).
*/
+ if (enable_ept) {
+ ept_sync_global();
+ } else if (enable_vpid) {
+ if (cpu_has_vmx_invvpid_global()) {
+ vpid_sync_vcpu_global();
+ } else {
+ vpid_sync_vcpu_single(vmx->vpid);
+ vpid_sync_vcpu_single(vmx->nested.vpid02);
+ }
+ }
}
-static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
+static void vmx_flush_tlb_current(struct kvm_vcpu *vcpu)
{
- ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits;
+ u64 root_hpa = vcpu->arch.mmu->root_hpa;
- vcpu->arch.cr0 &= ~cr0_guest_owned_bits;
- vcpu->arch.cr0 |= vmcs_readl(GUEST_CR0) & cr0_guest_owned_bits;
+ /* No flush required if the current context is invalid. */
+ if (!VALID_PAGE(root_hpa))
+ return;
+
+ if (enable_ept)
+ ept_sync_context(construct_eptp(vcpu, root_hpa));
+ else if (!is_guest_mode(vcpu))
+ vpid_sync_context(to_vmx(vcpu)->vpid);
+ else
+ vpid_sync_context(nested_get_vpid02(vcpu));
}
-static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
+static void vmx_flush_tlb_gva(struct kvm_vcpu *vcpu, gva_t addr)
{
- ulong cr4_guest_owned_bits = vcpu->arch.cr4_guest_owned_bits;
+ /*
+ * vpid_sync_vcpu_addr() is a nop if vmx->vpid==0, see the comment in
+ * vmx_flush_tlb_guest() for an explanation of why this is ok.
+ */
+ vpid_sync_vcpu_addr(to_vmx(vcpu)->vpid, addr);
+}
- vcpu->arch.cr4 &= ~cr4_guest_owned_bits;
- vcpu->arch.cr4 |= vmcs_readl(GUEST_CR4) & cr4_guest_owned_bits;
+static void vmx_flush_tlb_guest(struct kvm_vcpu *vcpu)
+{
+ /*
+ * vpid_sync_context() is a nop if vmx->vpid==0, e.g. if enable_vpid==0
+ * or a vpid couldn't be allocated for this vCPU. VM-Enter and VM-Exit
+ * are required to flush GVA->{G,H}PA mappings from the TLB if vpid is
+ * disabled (VM-Enter with vpid enabled and vpid==0 is disallowed),
+ * i.e. no explicit INVVPID is necessary.
+ */
+ vpid_sync_context(to_vmx(vcpu)->vpid);
}
static void ept_load_pdptrs(struct kvm_vcpu *vcpu)
@@ -2887,12 +2964,13 @@ void ept_save_pdptrs(struct kvm_vcpu *vcpu)
{
struct kvm_mmu *mmu = vcpu->arch.walk_mmu;
- if (is_pae_paging(vcpu)) {
- mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0);
- mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1);
- mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2);
- mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3);
- }
+ if (WARN_ON_ONCE(!is_pae_paging(vcpu)))
+ return;
+
+ mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0);
+ mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1);
+ mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2);
+ mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3);
kvm_register_mark_dirty(vcpu, VCPU_EXREG_PDPTR);
}
@@ -2956,20 +3034,27 @@ void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
vmcs_writel(CR0_READ_SHADOW, cr0);
vmcs_writel(GUEST_CR0, hw_cr0);
vcpu->arch.cr0 = cr0;
+ kvm_register_mark_available(vcpu, VCPU_EXREG_CR0);
/* depends on vcpu->arch.cr0 to be set to a new value */
vmx->emulation_required = emulation_required(vcpu);
}
-static int get_ept_level(struct kvm_vcpu *vcpu)
+static int vmx_get_tdp_level(struct kvm_vcpu *vcpu)
{
- if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
- return vmx_eptp_page_walk_level(nested_ept_get_eptp(vcpu));
if (cpu_has_vmx_ept_5levels() && (cpuid_maxphyaddr(vcpu) > 48))
return 5;
return 4;
}
+static int get_ept_level(struct kvm_vcpu *vcpu)
+{
+ if (is_guest_mode(vcpu) && nested_cpu_has_ept(get_vmcs12(vcpu)))
+ return vmx_eptp_page_walk_level(nested_ept_get_eptp(vcpu));
+
+ return vmx_get_tdp_level(vcpu);
+}
+
u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa)
{
u64 eptp = VMX_EPTP_MT_WB;
@@ -2984,16 +3069,15 @@ u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa)
return eptp;
}
-void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long cr3)
+void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long pgd)
{
struct kvm *kvm = vcpu->kvm;
bool update_guest_cr3 = true;
unsigned long guest_cr3;
u64 eptp;
- guest_cr3 = cr3;
if (enable_ept) {
- eptp = construct_eptp(vcpu, cr3);
+ eptp = construct_eptp(vcpu, pgd);
vmcs_write64(EPT_POINTER, eptp);
if (kvm_x86_ops.tlb_remote_flush) {
@@ -3004,16 +3088,15 @@ void vmx_load_mmu_pgd(struct kvm_vcpu *vcpu, unsigned long cr3)
spin_unlock(&to_kvm_vmx(kvm)->ept_pointer_lock);
}
- /* Loading vmcs02.GUEST_CR3 is handled by nested VM-Enter. */
- if (is_guest_mode(vcpu))
- update_guest_cr3 = false;
- else if (!enable_unrestricted_guest && !is_paging(vcpu))
+ if (!enable_unrestricted_guest && !is_paging(vcpu))
guest_cr3 = to_kvm_vmx(kvm)->ept_identity_map_addr;
else if (test_bit(VCPU_EXREG_CR3, (ulong *)&vcpu->arch.regs_avail))
guest_cr3 = vcpu->arch.cr3;
else /* vmcs01.GUEST_CR3 is already up-to-date. */
update_guest_cr3 = false;
ept_load_pdptrs(vcpu);
+ } else {
+ guest_cr3 = pgd;
}
if (update_guest_cr3)
@@ -3064,6 +3147,7 @@ int vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
return 1;
vcpu->arch.cr4 = cr4;
+ kvm_register_mark_available(vcpu, VCPU_EXREG_CR4);
if (!enable_unrestricted_guest) {
if (enable_ept) {
@@ -3852,7 +3936,8 @@ static int vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
if (pi_test_and_set_on(&vmx->pi_desc))
return 0;
- if (!kvm_vcpu_trigger_posted_interrupt(vcpu, false))
+ if (vcpu != kvm_get_running_vcpu() &&
+ !kvm_vcpu_trigger_posted_interrupt(vcpu, false))
kvm_vcpu_kick(vcpu);
return 0;
@@ -4148,8 +4233,7 @@ static void ept_set_mmio_spte_mask(void)
* EPT Misconfigurations can be generated if the value of bits 2:0
* of an EPT paging-structure entry is 110b (write/execute).
*/
- kvm_mmu_set_mmio_spte_mask(VMX_EPT_RWX_MASK,
- VMX_EPT_MISCONFIG_WX_VALUE, 0);
+ kvm_mmu_set_mmio_spte_mask(VMX_EPT_MISCONFIG_WX_VALUE, 0);
}
#define VMX_XSS_EXIT_BITMAP 0
@@ -4454,31 +4538,54 @@ void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked)
}
}
-static int vmx_nmi_allowed(struct kvm_vcpu *vcpu)
+bool vmx_nmi_blocked(struct kvm_vcpu *vcpu)
{
- if (to_vmx(vcpu)->nested.nested_run_pending)
- return 0;
+ if (is_guest_mode(vcpu) && nested_exit_on_nmi(vcpu))
+ return false;
- if (!enable_vnmi &&
- to_vmx(vcpu)->loaded_vmcs->soft_vnmi_blocked)
- return 0;
+ if (!enable_vnmi && to_vmx(vcpu)->loaded_vmcs->soft_vnmi_blocked)
+ return true;
- return !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
- (GUEST_INTR_STATE_MOV_SS | GUEST_INTR_STATE_STI
- | GUEST_INTR_STATE_NMI));
+ return (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
+ (GUEST_INTR_STATE_MOV_SS | GUEST_INTR_STATE_STI |
+ GUEST_INTR_STATE_NMI));
}
-static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu)
+static int vmx_nmi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
{
if (to_vmx(vcpu)->nested.nested_run_pending)
- return false;
+ return -EBUSY;
+
+ /* An NMI must not be injected into L2 if it's supposed to VM-Exit. */
+ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_nmi(vcpu))
+ return -EBUSY;
+
+ return !vmx_nmi_blocked(vcpu);
+}
+bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu)
+{
if (is_guest_mode(vcpu) && nested_exit_on_intr(vcpu))
- return true;
+ return false;
- return (vmcs_readl(GUEST_RFLAGS) & X86_EFLAGS_IF) &&
- !(vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
- (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS));
+ return !(vmx_get_rflags(vcpu) & X86_EFLAGS_IF) ||
+ (vmcs_read32(GUEST_INTERRUPTIBILITY_INFO) &
+ (GUEST_INTR_STATE_STI | GUEST_INTR_STATE_MOV_SS));
+}
+
+static int vmx_interrupt_allowed(struct kvm_vcpu *vcpu, bool for_injection)
+{
+ if (to_vmx(vcpu)->nested.nested_run_pending)
+ return -EBUSY;
+
+ /*
+ * An IRQ must not be injected into L2 if it's supposed to VM-Exit,
+ * e.g. if the IRQ arrived asynchronously after checking nested events.
+ */
+ if (for_injection && is_guest_mode(vcpu) && nested_exit_on_intr(vcpu))
+ return -EBUSY;
+
+ return !vmx_interrupt_blocked(vcpu);
}
static int vmx_set_tss_addr(struct kvm *kvm, unsigned int addr)
@@ -4519,10 +4626,8 @@ static bool rmode_exception(struct kvm_vcpu *vcpu, int vec)
return false;
/* fall through */
case DB_VECTOR:
- if (vcpu->guest_debug &
- (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
- return false;
- /* fall through */
+ return !(vcpu->guest_debug &
+ (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP));
case DE_VECTOR:
case OF_VECTOR:
case BR_VECTOR:
@@ -4572,7 +4677,7 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu,
*/
static void kvm_machine_check(void)
{
-#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_64)
+#if defined(CONFIG_X86_MCE)
struct pt_regs regs = {
.cs = 3, /* Fake ring 3 no matter what the guest ran on */
.flags = X86_EFLAGS_IF,
@@ -4617,7 +4722,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
u32 vect_info;
vect_info = vmx->idt_vectoring_info;
- intr_info = vmx->exit_intr_info;
+ intr_info = vmx_get_intr_info(vcpu);
if (is_machine_check(intr_info) || is_nmi(intr_info))
return 1; /* handled by handle_exception_nmi_irqoff() */
@@ -4661,9 +4766,9 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
}
if (is_page_fault(intr_info)) {
- cr2 = vmcs_readl(EXIT_QUALIFICATION);
+ cr2 = vmx_get_exit_qual(vcpu);
/* EPT won't cause page fault directly */
- WARN_ON_ONCE(!vcpu->arch.apf.host_apf_reason && enable_ept);
+ WARN_ON_ONCE(!vcpu->arch.apf.host_apf_flags && enable_ept);
return kvm_handle_page_fault(vcpu, error_code, cr2, NULL, 0);
}
@@ -4674,18 +4779,16 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
switch (ex_no) {
case DB_VECTOR:
- dr6 = vmcs_readl(EXIT_QUALIFICATION);
+ dr6 = vmx_get_exit_qual(vcpu);
if (!(vcpu->guest_debug &
(KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))) {
- vcpu->arch.dr6 &= ~DR_TRAP_BITS;
- vcpu->arch.dr6 |= dr6 | DR6_RTM;
if (is_icebp(intr_info))
WARN_ON(!skip_emulated_instruction(vcpu));
- kvm_queue_exception(vcpu, DB_VECTOR);
+ kvm_queue_exception_p(vcpu, DB_VECTOR, dr6);
return 1;
}
- kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1;
+ kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1 | DR6_RTM;
kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
/* fall through */
case BP_VECTOR:
@@ -4743,7 +4846,7 @@ static int handle_io(struct kvm_vcpu *vcpu)
int size, in, string;
unsigned port;
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
string = (exit_qualification & 16) != 0;
++vcpu->stat.io_exits;
@@ -4834,7 +4937,7 @@ static int handle_cr(struct kvm_vcpu *vcpu)
int err;
int ret;
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
cr = exit_qualification & 15;
reg = (exit_qualification >> 8) & 15;
switch ((exit_qualification >> 4) & 3) {
@@ -4911,7 +5014,7 @@ static int handle_dr(struct kvm_vcpu *vcpu)
unsigned long exit_qualification;
int dr, dr7, reg;
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
dr = exit_qualification & DEBUG_REG_ACCESS_NUM;
/* First, if DR does not exist, trigger UD */
@@ -4929,16 +5032,14 @@ static int handle_dr(struct kvm_vcpu *vcpu)
* guest debugging itself.
*/
if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) {
- vcpu->run->debug.arch.dr6 = vcpu->arch.dr6;
+ vcpu->run->debug.arch.dr6 = DR6_BD | DR6_RTM | DR6_FIXED_1;
vcpu->run->debug.arch.dr7 = dr7;
vcpu->run->debug.arch.pc = kvm_get_linear_rip(vcpu);
vcpu->run->debug.arch.exception = DB_VECTOR;
vcpu->run->exit_reason = KVM_EXIT_DEBUG;
return 0;
} else {
- vcpu->arch.dr6 &= ~DR_TRAP_BITS;
- vcpu->arch.dr6 |= DR6_BD | DR6_RTM;
- kvm_queue_exception(vcpu, DB_VECTOR);
+ kvm_queue_exception_p(vcpu, DB_VECTOR, DR6_BD);
return 1;
}
}
@@ -4969,15 +5070,6 @@ static int handle_dr(struct kvm_vcpu *vcpu)
return kvm_skip_emulated_instruction(vcpu);
}
-static u64 vmx_get_dr6(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.dr6;
-}
-
-static void vmx_set_dr6(struct kvm_vcpu *vcpu, unsigned long val)
-{
-}
-
static void vmx_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
{
get_debugreg(vcpu->arch.db[0], 0);
@@ -5024,7 +5116,7 @@ static int handle_invd(struct kvm_vcpu *vcpu)
static int handle_invlpg(struct kvm_vcpu *vcpu)
{
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
kvm_mmu_invlpg(vcpu, exit_qualification);
return kvm_skip_emulated_instruction(vcpu);
@@ -5056,7 +5148,7 @@ static int handle_xsetbv(struct kvm_vcpu *vcpu)
static int handle_apic_access(struct kvm_vcpu *vcpu)
{
if (likely(fasteoi)) {
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
int access_type, offset;
access_type = exit_qualification & APIC_ACCESS_TYPE;
@@ -5077,7 +5169,7 @@ static int handle_apic_access(struct kvm_vcpu *vcpu)
static int handle_apic_eoi_induced(struct kvm_vcpu *vcpu)
{
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
int vector = exit_qualification & 0xff;
/* EOI-induced VM exit is trap-like and thus no need to adjust IP */
@@ -5087,7 +5179,7 @@ static int handle_apic_eoi_induced(struct kvm_vcpu *vcpu)
static int handle_apic_write(struct kvm_vcpu *vcpu)
{
- unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ unsigned long exit_qualification = vmx_get_exit_qual(vcpu);
u32 offset = exit_qualification & 0xfff;
/* APIC-write VM exit is trap-like and thus no need to adjust IP */
@@ -5108,7 +5200,7 @@ static int handle_task_switch(struct kvm_vcpu *vcpu)
idt_index = (vmx->idt_vectoring_info & VECTORING_INFO_VECTOR_MASK);
type = (vmx->idt_vectoring_info & VECTORING_INFO_TYPE_MASK);
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
reason = (u32)exit_qualification >> 30;
if (reason == TASK_SWITCH_GATE && idt_v) {
@@ -5158,7 +5250,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
gpa_t gpa;
u64 error_code;
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
/*
* EPT violation happened while executing iret from NMI,
@@ -5230,18 +5322,11 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
bool intr_window_requested;
unsigned count = 130;
- /*
- * We should never reach the point where we are emulating L2
- * due to invalid guest state as that means we incorrectly
- * allowed a nested VMEntry with an invalid vmcs12.
- */
- WARN_ON_ONCE(vmx->emulation_required && vmx->nested.nested_run_pending);
-
intr_window_requested = exec_controls_get(vmx) &
CPU_BASED_INTR_WINDOW_EXITING;
while (vmx->emulation_required && count-- != 0) {
- if (intr_window_requested && vmx_interrupt_allowed(vcpu))
+ if (intr_window_requested && !vmx_interrupt_blocked(vcpu))
return handle_interrupt_window(&vmx->vcpu);
if (kvm_test_request(KVM_REQ_EVENT, vcpu))
@@ -5418,13 +5503,13 @@ static int handle_invpcid(struct kvm_vcpu *vcpu)
/* According to the Intel instruction reference, the memory operand
* is read even if it isn't needed (e.g., for type==all)
*/
- if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION),
+ if (get_vmx_mem_address(vcpu, vmx_get_exit_qual(vcpu),
vmx_instruction_info, false,
sizeof(operand), &gva))
return 1;
if (kvm_read_guest_virt(vcpu, gva, &operand, sizeof(operand), &e)) {
- kvm_inject_page_fault(vcpu, &e);
+ kvm_inject_emulated_page_fault(vcpu, &e);
return 1;
}
@@ -5453,11 +5538,11 @@ static int handle_invpcid(struct kvm_vcpu *vcpu)
if (kvm_get_active_pcid(vcpu) == operand.pcid) {
kvm_mmu_sync_roots(vcpu);
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
for (i = 0; i < KVM_MMU_NUM_PREV_ROOTS; i++)
- if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].cr3)
+ if (kvm_get_pcid(vcpu, vcpu->arch.mmu->prev_roots[i].pgd)
== operand.pcid)
roots_to_free |= KVM_MMU_ROOT_PREVIOUS(i);
@@ -5494,7 +5579,7 @@ static int handle_pml_full(struct kvm_vcpu *vcpu)
trace_kvm_pml_full(vcpu->vcpu_id);
- exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ exit_qualification = vmx_get_exit_qual(vcpu);
/*
* PML buffer FULL happened while executing iret from NMI,
@@ -5513,14 +5598,22 @@ static int handle_pml_full(struct kvm_vcpu *vcpu)
return 1;
}
-static int handle_preemption_timer(struct kvm_vcpu *vcpu)
+static fastpath_t handle_fastpath_preemption_timer(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
if (!vmx->req_immediate_exit &&
- !unlikely(vmx->loaded_vmcs->hv_timer_soft_disabled))
+ !unlikely(vmx->loaded_vmcs->hv_timer_soft_disabled)) {
kvm_lapic_expired_hv_timer(vcpu);
+ return EXIT_FASTPATH_REENTER_GUEST;
+ }
+ return EXIT_FASTPATH_NONE;
+}
+
+static int handle_preemption_timer(struct kvm_vcpu *vcpu)
+{
+ handle_fastpath_preemption_timer(vcpu);
return 1;
}
@@ -5608,8 +5701,8 @@ static const int kvm_vmx_max_exit_handlers =
static void vmx_get_exit_info(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2)
{
- *info1 = vmcs_readl(EXIT_QUALIFICATION);
- *info2 = vmcs_read32(VM_EXIT_INTR_INFO);
+ *info1 = vmx_get_exit_qual(vcpu);
+ *info2 = vmx_get_intr_info(vcpu);
}
static void vmx_destroy_pml_buffer(struct vcpu_vmx *vmx)
@@ -5691,7 +5784,6 @@ void dump_vmcs(void)
u32 cpu_based_exec_ctrl, pin_based_exec_ctrl, secondary_exec_control;
unsigned long cr4;
u64 efer;
- int i, n;
if (!dump_invalid_vmcs) {
pr_warn_ratelimited("set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state.\n");
@@ -5828,14 +5920,6 @@ void dump_vmcs(void)
pr_err("PostedIntrVec = 0x%02x\n", vmcs_read16(POSTED_INTR_NV));
if ((secondary_exec_control & SECONDARY_EXEC_ENABLE_EPT))
pr_err("EPT pointer = 0x%016llx\n", vmcs_read64(EPT_POINTER));
- n = vmcs_read32(CR3_TARGET_COUNT);
- for (i = 0; i + 1 < n; i += 4)
- pr_err("CR3 target%u=%016lx target%u=%016lx\n",
- i, vmcs_readl(CR3_TARGET_VALUE0 + i * 2),
- i + 1, vmcs_readl(CR3_TARGET_VALUE0 + i * 2 + 2));
- if (i < n)
- pr_err("CR3 target%u=%016lx\n",
- i, vmcs_readl(CR3_TARGET_VALUE0 + i * 2));
if (secondary_exec_control & SECONDARY_EXEC_PAUSE_LOOP_EXITING)
pr_err("PLE Gap=%08x Window=%08x\n",
vmcs_read32(PLE_GAP), vmcs_read32(PLE_WINDOW));
@@ -5848,15 +5932,12 @@ void dump_vmcs(void)
* The guest has exited. See if we can fix it or if we need userspace
* assistance.
*/
-static int vmx_handle_exit(struct kvm_vcpu *vcpu,
- enum exit_fastpath_completion exit_fastpath)
+static int vmx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 exit_reason = vmx->exit_reason;
u32 vectoring_info = vmx->idt_vectoring_info;
- trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);
-
/*
* Flush logged GPAs PML buffer, this will make dirty_bitmap more
* updated. Another good is, in kvm_vm_ioctl_get_dirty_log, before
@@ -5867,6 +5948,14 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu,
if (enable_pml)
vmx_flush_pml_buffer(vcpu);
+ /*
+ * We should never reach this point with a pending nested VM-Enter, and
+ * more specifically emulation of L2 due to invalid guest state (see
+ * below) should never happen as that means we incorrectly allowed a
+ * nested VM-Enter with an invalid vmcs12.
+ */
+ WARN_ON_ONCE(vmx->nested.nested_run_pending);
+
/* If guest state is invalid, start emulating */
if (vmx->emulation_required)
return handle_invalid_guest_state(vcpu);
@@ -5885,8 +5974,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu,
*/
nested_mark_vmcs12_pages_dirty(vcpu);
- if (nested_vmx_exit_reflected(vcpu, exit_reason))
- return nested_vmx_reflect_vmexit(vcpu, exit_reason);
+ if (nested_vmx_reflect_vmexit(vcpu))
+ return 1;
}
if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) {
@@ -5933,7 +6022,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu,
if (unlikely(!enable_vnmi &&
vmx->loaded_vmcs->soft_vnmi_blocked)) {
- if (vmx_interrupt_allowed(vcpu)) {
+ if (!vmx_interrupt_blocked(vcpu)) {
vmx->loaded_vmcs->soft_vnmi_blocked = 0;
} else if (vmx->loaded_vmcs->vnmi_blocked_time > 1000000000LL &&
vcpu->arch.nmi_pending) {
@@ -5950,10 +6039,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu,
}
}
- if (exit_fastpath == EXIT_FASTPATH_SKIP_EMUL_INS) {
- kvm_skip_emulated_instruction(vcpu);
+ if (exit_fastpath != EXIT_FASTPATH_NONE)
return 1;
- }
if (exit_reason >= kvm_vmx_max_exit_handlers)
goto unexpected_vmexit;
@@ -6107,7 +6194,15 @@ void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu)
if (flexpriority_enabled) {
sec_exec_control |=
SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES;
- vmx_flush_tlb(vcpu, true);
+ kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
+
+ /*
+ * Flush the TLB, reloading the APIC access page will
+ * only do so if its physical address has changed, but
+ * the guest may have inserted a non-APIC mapping into
+ * the TLB while the APIC access page was disabled.
+ */
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
break;
case LAPIC_MODE_X2APIC:
@@ -6121,12 +6216,32 @@ void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu)
vmx_update_msr_bitmap(vcpu);
}
-static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu, hpa_t hpa)
+static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu)
{
- if (!is_guest_mode(vcpu)) {
- vmcs_write64(APIC_ACCESS_ADDR, hpa);
- vmx_flush_tlb(vcpu, true);
+ struct page *page;
+
+ /* Defer reload until vmcs01 is the current VMCS. */
+ if (is_guest_mode(vcpu)) {
+ to_vmx(vcpu)->nested.reload_vmcs01_apic_access_page = true;
+ return;
}
+
+ if (!(secondary_exec_controls_get(to_vmx(vcpu)) &
+ SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES))
+ return;
+
+ page = gfn_to_page(vcpu->kvm, APIC_DEFAULT_PHYS_BASE >> PAGE_SHIFT);
+ if (is_error_page(page))
+ return;
+
+ vmcs_write64(APIC_ACCESS_ADDR, page_to_phys(page));
+ vmx_flush_tlb_current(vcpu);
+
+ /*
+ * Do not pin apic access page in memory, the MMU notifier
+ * will call us again if it is migrated or swapped out.
+ */
+ put_page(page);
}
static void vmx_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr)
@@ -6244,16 +6359,16 @@ static void vmx_apicv_post_state_restore(struct kvm_vcpu *vcpu)
static void handle_exception_nmi_irqoff(struct vcpu_vmx *vmx)
{
- vmx->exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+ u32 intr_info = vmx_get_intr_info(&vmx->vcpu);
/* if exit due to PF check for async PF */
- if (is_page_fault(vmx->exit_intr_info)) {
- vmx->vcpu.arch.apf.host_apf_reason = kvm_read_and_reset_pf_reason();
+ if (is_page_fault(intr_info)) {
+ vmx->vcpu.arch.apf.host_apf_flags = kvm_read_and_reset_apf_flags();
/* Handle machine checks before interrupts are enabled */
- } else if (is_machine_check(vmx->exit_intr_info)) {
+ } else if (is_machine_check(intr_info)) {
kvm_machine_check();
/* We need to handle NMIs before interrupts are enabled */
- } else if (is_nmi(vmx->exit_intr_info)) {
+ } else if (is_nmi(intr_info)) {
kvm_before_interrupt(&vmx->vcpu);
asm("int $2");
kvm_after_interrupt(&vmx->vcpu);
@@ -6268,9 +6383,8 @@ static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu)
unsigned long tmp;
#endif
gate_desc *desc;
- u32 intr_info;
+ u32 intr_info = vmx_get_intr_info(vcpu);
- intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
if (WARN_ONCE(!is_external_intr(intr_info),
"KVM: unexpected VM-Exit interrupt info: 0x%x", intr_info))
return;
@@ -6283,13 +6397,13 @@ static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu)
asm volatile(
#ifdef CONFIG_X86_64
- "mov %%" _ASM_SP ", %[sp]\n\t"
- "and $0xfffffffffffffff0, %%" _ASM_SP "\n\t"
- "push $%c[ss]\n\t"
+ "mov %%rsp, %[sp]\n\t"
+ "and $-16, %%rsp\n\t"
+ "push %[ss]\n\t"
"push %[sp]\n\t"
#endif
"pushf\n\t"
- __ASM_SIZE(push) " $%c[cs]\n\t"
+ "push %[cs]\n\t"
CALL_NOSPEC
:
#ifdef CONFIG_X86_64
@@ -6298,7 +6412,9 @@ static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu)
ASM_CALL_CONSTRAINT
:
[thunk_target]"r"(entry),
+#ifdef CONFIG_X86_64
[ss]"i"(__KERNEL_DS),
+#endif
[cs]"i"(__KERNEL_CS)
);
@@ -6306,8 +6422,7 @@ static void handle_external_interrupt_irqoff(struct kvm_vcpu *vcpu)
}
STACK_FRAME_NON_STANDARD(handle_external_interrupt_irqoff);
-static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu,
- enum exit_fastpath_completion *exit_fastpath)
+static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -6315,12 +6430,9 @@ static void vmx_handle_exit_irqoff(struct kvm_vcpu *vcpu,
handle_external_interrupt_irqoff(vcpu);
else if (vmx->exit_reason == EXIT_REASON_EXCEPTION_NMI)
handle_exception_nmi_irqoff(vmx);
- else if (!is_guest_mode(vcpu) &&
- vmx->exit_reason == EXIT_REASON_MSR_WRITE)
- *exit_fastpath = handle_fastpath_set_msr_irqoff(vcpu);
}
-static bool vmx_has_emulated_msr(int index)
+static bool vmx_has_emulated_msr(u32 index)
{
switch (index) {
case MSR_IA32_SMBASE:
@@ -6351,11 +6463,8 @@ static void vmx_recover_nmi_blocking(struct vcpu_vmx *vmx)
if (enable_vnmi) {
if (vmx->loaded_vmcs->nmi_known_unmasked)
return;
- /*
- * Can't use vmx->exit_intr_info since we're not sure what
- * the exit reason is.
- */
- exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+
+ exit_intr_info = vmx_get_intr_info(&vmx->vcpu);
unblock_nmi = (exit_intr_info & INTR_INFO_UNBLOCK_NMI) != 0;
vector = exit_intr_info & INTR_INFO_VECTOR_MASK;
/*
@@ -6522,13 +6631,27 @@ void vmx_update_host_rsp(struct vcpu_vmx *vmx, unsigned long host_rsp)
}
}
+static fastpath_t vmx_exit_handlers_fastpath(struct kvm_vcpu *vcpu)
+{
+ switch (to_vmx(vcpu)->exit_reason) {
+ case EXIT_REASON_MSR_WRITE:
+ return handle_fastpath_set_msr_irqoff(vcpu);
+ case EXIT_REASON_PREEMPTION_TIMER:
+ return handle_fastpath_preemption_timer(vcpu);
+ default:
+ return EXIT_FASTPATH_NONE;
+ }
+}
+
bool __vmx_vcpu_run(struct vcpu_vmx *vmx, unsigned long *regs, bool launched);
-static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
+static fastpath_t vmx_vcpu_run(struct kvm_vcpu *vcpu)
{
+ fastpath_t exit_fastpath;
struct vcpu_vmx *vmx = to_vmx(vcpu);
unsigned long cr3, cr4;
+reenter_guest:
/* Record the guest's net vcpu time for enforced NMI injections. */
if (unlikely(!enable_vnmi &&
vmx->loaded_vmcs->soft_vnmi_blocked))
@@ -6537,7 +6660,7 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
/* Don't enter VMX if guest state is invalid, let the exit handler
start emulation until we arrive back to a valid state */
if (vmx->emulation_required)
- return;
+ return EXIT_FASTPATH_NONE;
if (vmx->ple_window_dirty) {
vmx->ple_window_dirty = false;
@@ -6577,11 +6700,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
kvm_load_guest_xsave_state(vcpu);
- if (static_cpu_has(X86_FEATURE_PKU) &&
- kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
- vcpu->arch.pkru != vmx->host_pkru)
- __write_pkru(vcpu->arch.pkru);
-
pt_guest_enter(vmx);
if (vcpu_to_pmu(vcpu)->version)
@@ -6662,44 +6780,54 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
loadsegment(es, __USER_DS);
#endif
- vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
- | (1 << VCPU_EXREG_RFLAGS)
- | (1 << VCPU_EXREG_PDPTR)
- | (1 << VCPU_EXREG_SEGMENTS)
- | (1 << VCPU_EXREG_CR3));
- vcpu->arch.regs_dirty = 0;
+ vmx_register_cache_reset(vcpu);
pt_guest_exit(vmx);
- /*
- * eager fpu is enabled if PKEY is supported and CR4 is switched
- * back on host, so it is safe to read guest PKRU from current
- * XSAVE.
- */
- if (static_cpu_has(X86_FEATURE_PKU) &&
- kvm_read_cr4_bits(vcpu, X86_CR4_PKE)) {
- vcpu->arch.pkru = rdpkru();
- if (vcpu->arch.pkru != vmx->host_pkru)
- __write_pkru(vmx->host_pkru);
- }
-
kvm_load_host_xsave_state(vcpu);
vmx->nested.nested_run_pending = 0;
vmx->idt_vectoring_info = 0;
- vmx->exit_reason = vmx->fail ? 0xdead : vmcs_read32(VM_EXIT_REASON);
- if ((u16)vmx->exit_reason == EXIT_REASON_MCE_DURING_VMENTRY)
+ if (unlikely(vmx->fail)) {
+ vmx->exit_reason = 0xdead;
+ return EXIT_FASTPATH_NONE;
+ }
+
+ vmx->exit_reason = vmcs_read32(VM_EXIT_REASON);
+ if (unlikely((u16)vmx->exit_reason == EXIT_REASON_MCE_DURING_VMENTRY))
kvm_machine_check();
- if (vmx->fail || (vmx->exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY))
- return;
+ trace_kvm_exit(vmx->exit_reason, vcpu, KVM_ISA_VMX);
+
+ if (unlikely(vmx->exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY))
+ return EXIT_FASTPATH_NONE;
vmx->loaded_vmcs->launched = 1;
vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
vmx_recover_nmi_blocking(vmx);
vmx_complete_interrupts(vmx);
+
+ if (is_guest_mode(vcpu))
+ return EXIT_FASTPATH_NONE;
+
+ exit_fastpath = vmx_exit_handlers_fastpath(vcpu);
+ if (exit_fastpath == EXIT_FASTPATH_REENTER_GUEST) {
+ if (!kvm_vcpu_exit_request(vcpu)) {
+ /*
+ * FIXME: this goto should be a loop in vcpu_enter_guest,
+ * but it would incur the cost of a retpoline for now.
+ * Revisit once static calls are available.
+ */
+ if (vcpu->arch.apicv_active)
+ vmx_sync_pir_to_irr(vcpu);
+ goto reenter_guest;
+ }
+ exit_fastpath = EXIT_FASTPATH_EXIT_HANDLED;
+ }
+
+ return exit_fastpath;
}
static void vmx_free_vcpu(struct kvm_vcpu *vcpu)
@@ -7169,6 +7297,9 @@ static __init void vmx_set_cpu_caps(void)
/* CPUID 0x80000001 */
if (!cpu_has_vmx_rdtscp())
kvm_cpu_cap_clear(X86_FEATURE_RDTSCP);
+
+ if (vmx_waitpkg_supported())
+ kvm_cpu_cap_check_and_set(X86_FEATURE_WAITPKG);
}
static void vmx_request_immediate_exit(struct kvm_vcpu *vcpu)
@@ -7284,10 +7415,6 @@ static int vmx_set_hv_timer(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc,
u64 tscl, guest_tscl, delta_tsc, lapic_timer_advance_cycles;
struct kvm_timer *ktimer = &vcpu->arch.apic->lapic_timer;
- if (kvm_mwait_in_guest(vcpu->kvm) ||
- kvm_can_post_timer_interrupt(vcpu))
- return -EOPNOTSUPP;
-
vmx = to_vmx(vcpu);
tscl = rdtsc();
guest_tscl = kvm_read_l1_tsc(vcpu, tscl);
@@ -7630,12 +7757,12 @@ static void vmx_setup_mce(struct kvm_vcpu *vcpu)
~FEAT_CTL_LMCE_ENABLED;
}
-static int vmx_smi_allowed(struct kvm_vcpu *vcpu)
+static int vmx_smi_allowed(struct kvm_vcpu *vcpu, bool for_injection)
{
/* we need a nested vmexit to enter SMM, postpone if run is pending */
if (to_vmx(vcpu)->nested.nested_run_pending)
- return 0;
- return 1;
+ return -EBUSY;
+ return !is_smm(vcpu);
}
static int vmx_pre_enter_smm(struct kvm_vcpu *vcpu, char *smstate)
@@ -7672,9 +7799,9 @@ static int vmx_pre_leave_smm(struct kvm_vcpu *vcpu, const char *smstate)
return 0;
}
-static int enable_smi_window(struct kvm_vcpu *vcpu)
+static void enable_smi_window(struct kvm_vcpu *vcpu)
{
- return 0;
+ /* RSM will cause a vmexit anyway. */
}
static bool vmx_need_emulation_on_page_fault(struct kvm_vcpu *vcpu)
@@ -7687,6 +7814,16 @@ static bool vmx_apic_init_signal_blocked(struct kvm_vcpu *vcpu)
return to_vmx(vcpu)->nested.vmxon;
}
+static void vmx_migrate_timers(struct kvm_vcpu *vcpu)
+{
+ if (is_guest_mode(vcpu)) {
+ struct hrtimer *timer = &to_vmx(vcpu)->nested.preemption_timer;
+
+ if (hrtimer_try_to_cancel(timer) == 1)
+ hrtimer_start_expires(timer, HRTIMER_MODE_ABS_PINNED);
+ }
+}
+
static void hardware_unsetup(void)
{
if (nested)
@@ -7731,8 +7868,6 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.set_segment = vmx_set_segment,
.get_cpl = vmx_get_cpl,
.get_cs_db_l_bits = vmx_get_cs_db_l_bits,
- .decache_cr0_guest_bits = vmx_decache_cr0_guest_bits,
- .decache_cr4_guest_bits = vmx_decache_cr4_guest_bits,
.set_cr0 = vmx_set_cr0,
.set_cr4 = vmx_set_cr4,
.set_efer = vmx_set_efer,
@@ -7740,16 +7875,16 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.set_idt = vmx_set_idt,
.get_gdt = vmx_get_gdt,
.set_gdt = vmx_set_gdt,
- .get_dr6 = vmx_get_dr6,
- .set_dr6 = vmx_set_dr6,
.set_dr7 = vmx_set_dr7,
.sync_dirty_debug_regs = vmx_sync_dirty_debug_regs,
.cache_reg = vmx_cache_reg,
.get_rflags = vmx_get_rflags,
.set_rflags = vmx_set_rflags,
- .tlb_flush = vmx_flush_tlb,
+ .tlb_flush_all = vmx_flush_tlb_all,
+ .tlb_flush_current = vmx_flush_tlb_current,
.tlb_flush_gva = vmx_flush_tlb_gva,
+ .tlb_flush_guest = vmx_flush_tlb_guest,
.run = vmx_vcpu_run,
.handle_exit = vmx_handle_exit,
@@ -7784,7 +7919,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.set_tss_addr = vmx_set_tss_addr,
.set_identity_map_addr = vmx_set_identity_map_addr,
- .get_tdp_level = get_ept_level,
+ .get_tdp_level = vmx_get_tdp_level,
.get_mt_mask = vmx_get_mt_mask,
.get_exit_info = vmx_get_exit_info,
@@ -7793,7 +7928,6 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.has_wbinvd_exit = cpu_has_vmx_wbinvd_exit,
- .read_l1_tsc_offset = vmx_read_l1_tsc_offset,
.write_l1_tsc_offset = vmx_write_l1_tsc_offset,
.load_mmu_pgd = vmx_load_mmu_pgd,
@@ -7815,6 +7949,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.post_block = vmx_post_block,
.pmu_ops = &intel_pmu_ops,
+ .nested_ops = &vmx_nested_ops,
.update_pi_irte = vmx_update_pi_irte,
@@ -7830,14 +7965,9 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.pre_leave_smm = vmx_pre_leave_smm,
.enable_smi_window = enable_smi_window,
- .check_nested_events = NULL,
- .get_nested_state = NULL,
- .set_nested_state = NULL,
- .get_vmcs12_pages = NULL,
- .nested_enable_evmcs = NULL,
- .nested_get_evmcs_version = NULL,
.need_emulation_on_page_fault = vmx_need_emulation_on_page_fault,
.apic_init_signal_blocked = vmx_apic_init_signal_blocked,
+ .migrate_timers = vmx_migrate_timers,
};
static __init int hardware_setup(void)
@@ -7936,11 +8066,11 @@ static __init int hardware_setup(void)
if (!enable_ept)
ept_lpage_level = 0;
else if (cpu_has_vmx_ept_1g_page())
- ept_lpage_level = PT_PDPE_LEVEL;
+ ept_lpage_level = PG_LEVEL_1G;
else if (cpu_has_vmx_ept_2m_page())
- ept_lpage_level = PT_DIRECTORY_LEVEL;
+ ept_lpage_level = PG_LEVEL_2M;
else
- ept_lpage_level = PT_PAGE_TABLE_LEVEL;
+ ept_lpage_level = PG_LEVEL_4K;
kvm_configure_mmu(enable_ept, ept_lpage_level);
/*
@@ -8000,8 +8130,7 @@ static __init int hardware_setup(void)
nested_vmx_setup_ctls_msrs(&vmcs_config.nested,
vmx_capability.ept);
- r = nested_vmx_hardware_setup(&vmx_x86_ops,
- kvm_vmx_exit_handlers);
+ r = nested_vmx_hardware_setup(kvm_vmx_exit_handlers);
if (r)
return r;
}
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index aab9df55336e..672c28f17e49 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -8,6 +8,7 @@
#include <asm/intel_pt.h>
#include "capabilities.h"
+#include "kvm_cache_regs.h"
#include "ops.h"
#include "vmcs.h"
@@ -136,6 +137,7 @@ struct nested_vmx {
bool vmcs02_initialized;
bool change_vmcs01_virtual_apic_mode;
+ bool reload_vmcs01_apic_access_page;
/*
* Enlightened VMCS has been enabled. It does not mean that L1 has to
@@ -167,6 +169,8 @@ struct nested_vmx {
u16 posted_intr_nv;
struct hrtimer preemption_timer;
+ u64 preemption_timer_deadline;
+ bool has_preemption_timer_deadline;
bool preemption_timer_expired;
/* to migrate it to L2 if VM_ENTRY_LOAD_DEBUG_CONTROLS is off */
@@ -208,6 +212,7 @@ struct vcpu_vmx {
*/
bool guest_state_loaded;
+ unsigned long exit_qualification;
u32 exit_intr_info;
u32 idt_vectoring_info;
ulong rflags;
@@ -317,8 +322,8 @@ struct kvm_vmx {
};
bool nested_vmx_allowed(struct kvm_vcpu *vcpu);
-void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu);
-void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu);
+void vmx_vcpu_load_vmcs(struct kvm_vcpu *vcpu, int cpu,
+ struct loaded_vmcs *buddy);
int allocate_vpid(void);
void free_vpid(int vpid);
void vmx_set_constant_host_state(struct vcpu_vmx *vmx);
@@ -341,6 +346,8 @@ void vmx_set_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa);
void update_exception_bitmap(struct kvm_vcpu *vcpu);
void vmx_update_msr_bitmap(struct kvm_vcpu *vcpu);
+bool vmx_nmi_blocked(struct kvm_vcpu *vcpu);
+bool vmx_interrupt_blocked(struct kvm_vcpu *vcpu);
bool vmx_get_nmi_mask(struct kvm_vcpu *vcpu);
void vmx_set_nmi_mask(struct kvm_vcpu *vcpu, bool masked);
void vmx_set_virtual_apic_mode(struct kvm_vcpu *vcpu);
@@ -441,9 +448,18 @@ BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL)
BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL)
BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL)
-static inline void vmx_segment_cache_clear(struct vcpu_vmx *vmx)
+static inline void vmx_register_cache_reset(struct kvm_vcpu *vcpu)
{
- vmx->segment_cache.bitmask = 0;
+ vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
+ | (1 << VCPU_EXREG_RFLAGS)
+ | (1 << VCPU_EXREG_PDPTR)
+ | (1 << VCPU_EXREG_SEGMENTS)
+ | (1 << VCPU_EXREG_CR0)
+ | (1 << VCPU_EXREG_CR3)
+ | (1 << VCPU_EXREG_CR4)
+ | (1 << VCPU_EXREG_EXIT_INFO_1)
+ | (1 << VCPU_EXREG_EXIT_INFO_2));
+ vcpu->arch.regs_dirty = 0;
}
static inline u32 vmx_vmentry_ctrl(void)
@@ -486,6 +502,28 @@ static inline struct pi_desc *vcpu_to_pi_desc(struct kvm_vcpu *vcpu)
return &(to_vmx(vcpu)->pi_desc);
}
+static inline unsigned long vmx_get_exit_qual(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+ if (!kvm_register_is_available(vcpu, VCPU_EXREG_EXIT_INFO_1)) {
+ kvm_register_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_1);
+ vmx->exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
+ }
+ return vmx->exit_qualification;
+}
+
+static inline u32 vmx_get_intr_info(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+ if (!kvm_register_is_available(vcpu, VCPU_EXREG_EXIT_INFO_2)) {
+ kvm_register_mark_available(vcpu, VCPU_EXREG_EXIT_INFO_2);
+ vmx->exit_intr_info = vmcs_read32(VM_EXIT_INTR_INFO);
+ }
+ return vmx->exit_intr_info;
+}
+
struct vmcs *alloc_vmcs_cpu(bool shadow, int cpu, gfp_t flags);
void free_vmcs(struct vmcs *vmcs);
int alloc_loaded_vmcs(struct loaded_vmcs *loaded_vmcs);
@@ -500,24 +538,6 @@ static inline struct vmcs *alloc_vmcs(bool shadow)
u64 construct_eptp(struct kvm_vcpu *vcpu, unsigned long root_hpa);
-static inline void __vmx_flush_tlb(struct kvm_vcpu *vcpu, int vpid,
- bool invalidate_gpa)
-{
- if (enable_ept && (invalidate_gpa || !enable_vpid)) {
- if (!VALID_PAGE(vcpu->arch.mmu->root_hpa))
- return;
- ept_sync_context(construct_eptp(vcpu,
- vcpu->arch.mmu->root_hpa));
- } else {
- vpid_sync_context(vpid);
- }
-}
-
-static inline void vmx_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa)
-{
- __vmx_flush_tlb(vcpu, to_vmx(vcpu)->vpid, invalidate_gpa);
-}
-
static inline void decache_tsc_multiplier(struct vcpu_vmx *vmx)
{
vmx->current_tsc_ratio = vmx->vcpu.arch.tsc_scaling_ratio;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 3bf2ecafd027..9e41b5135340 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -18,6 +18,7 @@
#include <linux/kvm_host.h>
#include "irq.h"
+#include "ioapic.h"
#include "mmu.h"
#include "i8254.h"
#include "tss.h"
@@ -97,9 +98,6 @@ static u64 __read_mostly efer_reserved_bits = ~((u64)EFER_SCE);
static u64 __read_mostly cr4_reserved_bits = CR4_RESERVED_BITS;
-#define VM_STAT(x, ...) offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__
-#define VCPU_STAT(x, ...) offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__
-
#define KVM_X2APIC_API_VALID_FLAGS (KVM_X2APIC_API_USE_32BIT_IDS | \
KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK)
@@ -194,45 +192,46 @@ u64 __read_mostly supported_xss;
EXPORT_SYMBOL_GPL(supported_xss);
struct kvm_stats_debugfs_item debugfs_entries[] = {
- { "pf_fixed", VCPU_STAT(pf_fixed) },
- { "pf_guest", VCPU_STAT(pf_guest) },
- { "tlb_flush", VCPU_STAT(tlb_flush) },
- { "invlpg", VCPU_STAT(invlpg) },
- { "exits", VCPU_STAT(exits) },
- { "io_exits", VCPU_STAT(io_exits) },
- { "mmio_exits", VCPU_STAT(mmio_exits) },
- { "signal_exits", VCPU_STAT(signal_exits) },
- { "irq_window", VCPU_STAT(irq_window_exits) },
- { "nmi_window", VCPU_STAT(nmi_window_exits) },
- { "halt_exits", VCPU_STAT(halt_exits) },
- { "halt_successful_poll", VCPU_STAT(halt_successful_poll) },
- { "halt_attempted_poll", VCPU_STAT(halt_attempted_poll) },
- { "halt_poll_invalid", VCPU_STAT(halt_poll_invalid) },
- { "halt_wakeup", VCPU_STAT(halt_wakeup) },
- { "hypercalls", VCPU_STAT(hypercalls) },
- { "request_irq", VCPU_STAT(request_irq_exits) },
- { "irq_exits", VCPU_STAT(irq_exits) },
- { "host_state_reload", VCPU_STAT(host_state_reload) },
- { "fpu_reload", VCPU_STAT(fpu_reload) },
- { "insn_emulation", VCPU_STAT(insn_emulation) },
- { "insn_emulation_fail", VCPU_STAT(insn_emulation_fail) },
- { "irq_injections", VCPU_STAT(irq_injections) },
- { "nmi_injections", VCPU_STAT(nmi_injections) },
- { "req_event", VCPU_STAT(req_event) },
- { "l1d_flush", VCPU_STAT(l1d_flush) },
- { "mmu_shadow_zapped", VM_STAT(mmu_shadow_zapped) },
- { "mmu_pte_write", VM_STAT(mmu_pte_write) },
- { "mmu_pte_updated", VM_STAT(mmu_pte_updated) },
- { "mmu_pde_zapped", VM_STAT(mmu_pde_zapped) },
- { "mmu_flooded", VM_STAT(mmu_flooded) },
- { "mmu_recycled", VM_STAT(mmu_recycled) },
- { "mmu_cache_miss", VM_STAT(mmu_cache_miss) },
- { "mmu_unsync", VM_STAT(mmu_unsync) },
- { "remote_tlb_flush", VM_STAT(remote_tlb_flush) },
- { "largepages", VM_STAT(lpages, .mode = 0444) },
- { "nx_largepages_splitted", VM_STAT(nx_lpage_splits, .mode = 0444) },
- { "max_mmu_page_hash_collisions",
- VM_STAT(max_mmu_page_hash_collisions) },
+ VCPU_STAT("pf_fixed", pf_fixed),
+ VCPU_STAT("pf_guest", pf_guest),
+ VCPU_STAT("tlb_flush", tlb_flush),
+ VCPU_STAT("invlpg", invlpg),
+ VCPU_STAT("exits", exits),
+ VCPU_STAT("io_exits", io_exits),
+ VCPU_STAT("mmio_exits", mmio_exits),
+ VCPU_STAT("signal_exits", signal_exits),
+ VCPU_STAT("irq_window", irq_window_exits),
+ VCPU_STAT("nmi_window", nmi_window_exits),
+ VCPU_STAT("halt_exits", halt_exits),
+ VCPU_STAT("halt_successful_poll", halt_successful_poll),
+ VCPU_STAT("halt_attempted_poll", halt_attempted_poll),
+ VCPU_STAT("halt_poll_invalid", halt_poll_invalid),
+ VCPU_STAT("halt_wakeup", halt_wakeup),
+ VCPU_STAT("hypercalls", hypercalls),
+ VCPU_STAT("request_irq", request_irq_exits),
+ VCPU_STAT("irq_exits", irq_exits),
+ VCPU_STAT("host_state_reload", host_state_reload),
+ VCPU_STAT("fpu_reload", fpu_reload),
+ VCPU_STAT("insn_emulation", insn_emulation),
+ VCPU_STAT("insn_emulation_fail", insn_emulation_fail),
+ VCPU_STAT("irq_injections", irq_injections),
+ VCPU_STAT("nmi_injections", nmi_injections),
+ VCPU_STAT("req_event", req_event),
+ VCPU_STAT("l1d_flush", l1d_flush),
+ VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns),
+ VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns),
+ VM_STAT("mmu_shadow_zapped", mmu_shadow_zapped),
+ VM_STAT("mmu_pte_write", mmu_pte_write),
+ VM_STAT("mmu_pte_updated", mmu_pte_updated),
+ VM_STAT("mmu_pde_zapped", mmu_pde_zapped),
+ VM_STAT("mmu_flooded", mmu_flooded),
+ VM_STAT("mmu_recycled", mmu_recycled),
+ VM_STAT("mmu_cache_miss", mmu_cache_miss),
+ VM_STAT("mmu_unsync", mmu_unsync),
+ VM_STAT("remote_tlb_flush", remote_tlb_flush),
+ VM_STAT("largepages", lpages, .mode = 0444),
+ VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444),
+ VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions),
{ NULL }
};
@@ -261,7 +260,7 @@ static int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt);
static inline void kvm_async_pf_hash_reset(struct kvm_vcpu *vcpu)
{
int i;
- for (i = 0; i < roundup_pow_of_two(ASYNC_PF_PER_VCPU); i++)
+ for (i = 0; i < ASYNC_PF_PER_VCPU; i++)
vcpu->arch.apf.gfns[i] = ~0;
}
@@ -572,11 +571,12 @@ void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr)
}
EXPORT_SYMBOL_GPL(kvm_requeue_exception);
-static void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr,
- unsigned long payload)
+void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr,
+ unsigned long payload)
{
kvm_multiple_exception(vcpu, nr, false, 0, true, payload, false);
}
+EXPORT_SYMBOL_GPL(kvm_queue_exception_p);
static void kvm_queue_exception_e_p(struct kvm_vcpu *vcpu, unsigned nr,
u32 error_code, unsigned long payload)
@@ -611,15 +611,28 @@ void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault)
}
EXPORT_SYMBOL_GPL(kvm_inject_page_fault);
-static bool kvm_propagate_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault)
+bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu,
+ struct x86_exception *fault)
{
- if (mmu_is_nested(vcpu) && !fault->nested_page_fault)
- vcpu->arch.nested_mmu.inject_page_fault(vcpu, fault);
- else
- vcpu->arch.mmu->inject_page_fault(vcpu, fault);
+ struct kvm_mmu *fault_mmu;
+ WARN_ON_ONCE(fault->vector != PF_VECTOR);
+
+ fault_mmu = fault->nested_page_fault ? vcpu->arch.mmu :
+ vcpu->arch.walk_mmu;
+
+ /*
+ * Invalidate the TLB entry for the faulting address, if it exists,
+ * else the access will fault indefinitely (and to emulate hardware).
+ */
+ if ((fault->error_code & PFERR_PRESENT_MASK) &&
+ !(fault->error_code & PFERR_RSVD_MASK))
+ kvm_mmu_invalidate_gva(vcpu, fault_mmu, fault->address,
+ fault_mmu->root_hpa);
+ fault_mmu->inject_page_fault(vcpu, fault);
return fault->nested_page_fault;
}
+EXPORT_SYMBOL_GPL(kvm_inject_emulated_page_fault);
void kvm_inject_nmi(struct kvm_vcpu *vcpu)
{
@@ -836,11 +849,25 @@ void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu)
vcpu->arch.ia32_xss != host_xss)
wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss);
}
+
+ if (static_cpu_has(X86_FEATURE_PKU) &&
+ (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
+ (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) &&
+ vcpu->arch.pkru != vcpu->arch.host_pkru)
+ __write_pkru(vcpu->arch.pkru);
}
EXPORT_SYMBOL_GPL(kvm_load_guest_xsave_state);
void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu)
{
+ if (static_cpu_has(X86_FEATURE_PKU) &&
+ (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
+ (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) {
+ vcpu->arch.pkru = rdpkru();
+ if (vcpu->arch.pkru != vcpu->arch.host_pkru)
+ __write_pkru(vcpu->arch.host_pkru);
+ }
+
if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) {
if (vcpu->arch.xcr0 != host_xcr0)
@@ -926,19 +953,6 @@ EXPORT_SYMBOL_GPL(kvm_set_xcr);
__reserved_bits; \
})
-static u64 kvm_host_cr4_reserved_bits(struct cpuinfo_x86 *c)
-{
- u64 reserved_bits = __cr4_reserved_bits(cpu_has, c);
-
- if (kvm_cpu_cap_has(X86_FEATURE_LA57))
- reserved_bits &= ~X86_CR4_LA57;
-
- if (kvm_cpu_cap_has(X86_FEATURE_UMIP))
- reserved_bits &= ~X86_CR4_UMIP;
-
- return reserved_bits;
-}
-
static int kvm_valid_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
{
if (cr4 & cr4_reserved_bits)
@@ -1006,7 +1020,7 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
if (cr3 == kvm_read_cr3(vcpu) && !pdptrs_changed(vcpu)) {
if (!skip_tlb_flush) {
kvm_mmu_sync_roots(vcpu);
- kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
+ kvm_make_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
}
return 0;
}
@@ -1018,7 +1032,7 @@ int kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
!load_pdptrs(vcpu, vcpu->arch.walk_mmu, cr3))
return 1;
- kvm_mmu_new_cr3(vcpu, cr3, skip_tlb_flush);
+ kvm_mmu_new_pgd(vcpu, cr3, skip_tlb_flush, skip_tlb_flush);
vcpu->arch.cr3 = cr3;
kvm_register_mark_available(vcpu, VCPU_EXREG_CR3);
@@ -1058,13 +1072,7 @@ static void kvm_update_dr0123(struct kvm_vcpu *vcpu)
}
}
-static void kvm_update_dr6(struct kvm_vcpu *vcpu)
-{
- if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
- kvm_x86_ops.set_dr6(vcpu, vcpu->arch.dr6);
-}
-
-static void kvm_update_dr7(struct kvm_vcpu *vcpu)
+void kvm_update_dr7(struct kvm_vcpu *vcpu)
{
unsigned long dr7;
@@ -1077,6 +1085,7 @@ static void kvm_update_dr7(struct kvm_vcpu *vcpu)
if (dr7 & DR7_BP_EN_MASK)
vcpu->arch.switch_db_regs |= KVM_DEBUGREG_BP_ENABLED;
}
+EXPORT_SYMBOL_GPL(kvm_update_dr7);
static u64 kvm_dr6_fixed(struct kvm_vcpu *vcpu)
{
@@ -1103,7 +1112,6 @@ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)
if (val & 0xffffffff00000000ULL)
return -1; /* #GP */
vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu);
- kvm_update_dr6(vcpu);
break;
case 5:
/* fall through */
@@ -1139,10 +1147,7 @@ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)
case 4:
/* fall through */
case 6:
- if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
- *val = vcpu->arch.dr6;
- else
- *val = kvm_x86_ops.get_dr6(vcpu);
+ *val = vcpu->arch.dr6;
break;
case 5:
/* fall through */
@@ -1241,13 +1246,18 @@ static const u32 emulated_msrs_all[] = {
HV_X64_MSR_VP_ASSIST_PAGE,
HV_X64_MSR_REENLIGHTENMENT_CONTROL, HV_X64_MSR_TSC_EMULATION_CONTROL,
HV_X64_MSR_TSC_EMULATION_STATUS,
+ HV_X64_MSR_SYNDBG_OPTIONS,
+ HV_X64_MSR_SYNDBG_CONTROL, HV_X64_MSR_SYNDBG_STATUS,
+ HV_X64_MSR_SYNDBG_SEND_BUFFER, HV_X64_MSR_SYNDBG_RECV_BUFFER,
+ HV_X64_MSR_SYNDBG_PENDING_BUFFER,
MSR_KVM_ASYNC_PF_EN, MSR_KVM_STEAL_TIME,
- MSR_KVM_PV_EOI_EN,
+ MSR_KVM_PV_EOI_EN, MSR_KVM_ASYNC_PF_INT, MSR_KVM_ASYNC_PF_ACK,
MSR_IA32_TSC_ADJUST,
MSR_IA32_TSCDEADLINE,
MSR_IA32_ARCH_CAPABILITIES,
+ MSR_IA32_PERF_CAPABILITIES,
MSR_IA32_MISC_ENABLE,
MSR_IA32_MCG_STATUS,
MSR_IA32_MCG_CTL,
@@ -1314,6 +1324,7 @@ static const u32 msr_based_features_all[] = {
MSR_F10H_DECFG,
MSR_IA32_UCODE_REV,
MSR_IA32_ARCH_CAPABILITIES,
+ MSR_IA32_PERF_CAPABILITIES,
};
static u32 msr_based_features[ARRAY_SIZE(msr_based_features_all)];
@@ -1572,6 +1583,13 @@ int kvm_emulate_wrmsr(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_emulate_wrmsr);
+bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu)
+{
+ return vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu) ||
+ need_resched() || signal_pending(current);
+}
+EXPORT_SYMBOL_GPL(kvm_vcpu_exit_request);
+
/*
* The fast path for frequent and performance sensitive wrmsr emulation,
* i.e. the sending of IPI, sending IPI early in the VM-Exit flow reduces
@@ -1600,27 +1618,44 @@ static int handle_fastpath_set_x2apic_icr_irqoff(struct kvm_vcpu *vcpu, u64 data
return 1;
}
-enum exit_fastpath_completion handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu)
+static int handle_fastpath_set_tscdeadline(struct kvm_vcpu *vcpu, u64 data)
+{
+ if (!kvm_can_use_hv_timer(vcpu))
+ return 1;
+
+ kvm_set_lapic_tscdeadline_msr(vcpu, data);
+ return 0;
+}
+
+fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu)
{
u32 msr = kvm_rcx_read(vcpu);
u64 data;
- int ret = 0;
+ fastpath_t ret = EXIT_FASTPATH_NONE;
switch (msr) {
case APIC_BASE_MSR + (APIC_ICR >> 4):
data = kvm_read_edx_eax(vcpu);
- ret = handle_fastpath_set_x2apic_icr_irqoff(vcpu, data);
+ if (!handle_fastpath_set_x2apic_icr_irqoff(vcpu, data)) {
+ kvm_skip_emulated_instruction(vcpu);
+ ret = EXIT_FASTPATH_EXIT_HANDLED;
+ }
+ break;
+ case MSR_IA32_TSCDEADLINE:
+ data = kvm_read_edx_eax(vcpu);
+ if (!handle_fastpath_set_tscdeadline(vcpu, data)) {
+ kvm_skip_emulated_instruction(vcpu);
+ ret = EXIT_FASTPATH_REENTER_GUEST;
+ }
break;
default:
- return EXIT_FASTPATH_NONE;
+ break;
}
- if (!ret) {
+ if (ret != EXIT_FASTPATH_NONE)
trace_kvm_msr_write(msr, data);
- return EXIT_FASTPATH_SKIP_EMUL_INS;
- }
- return EXIT_FASTPATH_NONE;
+ return ret;
}
EXPORT_SYMBOL_GPL(handle_fastpath_set_msr_irqoff);
@@ -1909,7 +1944,7 @@ static void kvm_track_tsc_matching(struct kvm_vcpu *vcpu)
static void update_ia32_tsc_adjust_msr(struct kvm_vcpu *vcpu, s64 offset)
{
- u64 curr_offset = kvm_x86_ops.read_l1_tsc_offset(vcpu);
+ u64 curr_offset = vcpu->arch.l1_tsc_offset;
vcpu->arch.ia32_tsc_adjust_msr += offset - curr_offset;
}
@@ -1951,14 +1986,13 @@ static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc)
u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc)
{
- u64 tsc_offset = kvm_x86_ops.read_l1_tsc_offset(vcpu);
-
- return tsc_offset + kvm_scale_tsc(vcpu, host_tsc);
+ return vcpu->arch.l1_tsc_offset + kvm_scale_tsc(vcpu, host_tsc);
}
EXPORT_SYMBOL_GPL(kvm_read_l1_tsc);
static void kvm_vcpu_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset)
{
+ vcpu->arch.l1_tsc_offset = offset;
vcpu->arch.tsc_offset = kvm_x86_ops.write_l1_tsc_offset(vcpu, offset);
}
@@ -2083,7 +2117,7 @@ EXPORT_SYMBOL_GPL(kvm_write_tsc);
static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu,
s64 adjustment)
{
- u64 tsc_offset = kvm_x86_ops.read_l1_tsc_offset(vcpu);
+ u64 tsc_offset = vcpu->arch.l1_tsc_offset;
kvm_vcpu_write_tsc_offset(vcpu, tsc_offset + adjustment);
}
@@ -2645,29 +2679,54 @@ out:
return r;
}
+static inline bool kvm_pv_async_pf_enabled(struct kvm_vcpu *vcpu)
+{
+ u64 mask = KVM_ASYNC_PF_ENABLED | KVM_ASYNC_PF_DELIVERY_AS_INT;
+
+ return (vcpu->arch.apf.msr_en_val & mask) == mask;
+}
+
static int kvm_pv_enable_async_pf(struct kvm_vcpu *vcpu, u64 data)
{
gpa_t gpa = data & ~0x3f;
- /* Bits 3:5 are reserved, Should be zero */
- if (data & 0x38)
+ /* Bits 4:5 are reserved, Should be zero */
+ if (data & 0x30)
return 1;
- vcpu->arch.apf.msr_val = data;
+ vcpu->arch.apf.msr_en_val = data;
- if (!(data & KVM_ASYNC_PF_ENABLED)) {
+ if (!kvm_pv_async_pf_enabled(vcpu)) {
kvm_clear_async_pf_completion_queue(vcpu);
kvm_async_pf_hash_reset(vcpu);
return 0;
}
if (kvm_gfn_to_hva_cache_init(vcpu->kvm, &vcpu->arch.apf.data, gpa,
- sizeof(u32)))
+ sizeof(u64)))
return 1;
vcpu->arch.apf.send_user_only = !(data & KVM_ASYNC_PF_SEND_ALWAYS);
vcpu->arch.apf.delivery_as_pf_vmexit = data & KVM_ASYNC_PF_DELIVERY_AS_PF_VMEXIT;
+
kvm_async_pf_wakeup_all(vcpu);
+
+ return 0;
+}
+
+static int kvm_pv_enable_async_pf_int(struct kvm_vcpu *vcpu, u64 data)
+{
+ /* Bits 8-63 are reserved */
+ if (data >> 8)
+ return 1;
+
+ if (!lapic_in_kernel(vcpu))
+ return 1;
+
+ vcpu->arch.apf.msr_int_val = data;
+
+ vcpu->arch.apf.vec = data & KVM_ASYNC_PF_VEC_MASK;
+
return 0;
}
@@ -2677,10 +2736,16 @@ static void kvmclock_reset(struct kvm_vcpu *vcpu)
vcpu->arch.time = 0;
}
-static void kvm_vcpu_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa)
+static void kvm_vcpu_flush_tlb_all(struct kvm_vcpu *vcpu)
{
++vcpu->stat.tlb_flush;
- kvm_x86_ops.tlb_flush(vcpu, invalidate_gpa);
+ kvm_x86_ops.tlb_flush_all(vcpu);
+}
+
+static void kvm_vcpu_flush_tlb_guest(struct kvm_vcpu *vcpu)
+{
+ ++vcpu->stat.tlb_flush;
+ kvm_x86_ops.tlb_flush_guest(vcpu);
}
static void record_steal_time(struct kvm_vcpu *vcpu)
@@ -2706,7 +2771,7 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
trace_kvm_pv_tlb_flush(vcpu->vcpu_id,
st->preempted & KVM_VCPU_FLUSH_TLB);
if (xchg(&st->preempted, 0) & KVM_VCPU_FLUSH_TLB)
- kvm_vcpu_flush_tlb(vcpu, false);
+ kvm_vcpu_flush_tlb_guest(vcpu);
vcpu->arch.st.preempted = 0;
@@ -2883,6 +2948,16 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
if (kvm_pv_enable_async_pf(vcpu, data))
return 1;
break;
+ case MSR_KVM_ASYNC_PF_INT:
+ if (kvm_pv_enable_async_pf_int(vcpu, data))
+ return 1;
+ break;
+ case MSR_KVM_ASYNC_PF_ACK:
+ if (data & 0x1) {
+ vcpu->arch.apf.pageready_pending = false;
+ kvm_check_async_pf_completion(vcpu);
+ }
+ break;
case MSR_KVM_STEAL_TIME:
if (unlikely(!sched_info_on()))
@@ -2940,6 +3015,8 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
*/
break;
case HV_X64_MSR_GUEST_OS_ID ... HV_X64_MSR_SINT15:
+ case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ case HV_X64_MSR_SYNDBG_OPTIONS:
case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
case HV_X64_MSR_CRASH_CTL:
case HV_X64_MSR_STIMER0_CONFIG ... HV_X64_MSR_STIMER3_COUNT:
@@ -3060,6 +3137,17 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_IA32_PERF_CTL:
case MSR_AMD64_DC_CFG:
case MSR_F15H_EX_CFG:
+ /*
+ * Intel Sandy Bridge CPUs must support the RAPL (running average power
+ * limit) MSRs. Just return 0, as we do not want to expose the host
+ * data here. Do not conditionalize this on CPUID, as KVM does not do
+ * so for existing CPU-specific MSRs.
+ */
+ case MSR_RAPL_POWER_UNIT:
+ case MSR_PP0_ENERGY_STATUS: /* Power plane 0 (core) */
+ case MSR_PP1_ENERGY_STATUS: /* Power plane 1 (graphics uncore) */
+ case MSR_PKG_ENERGY_STATUS: /* Total package */
+ case MSR_DRAM_ENERGY_STATUS: /* DRAM controller */
msr_info->data = 0;
break;
case MSR_F15H_PERF_CTL0 ... MSR_F15H_PERF_CTR5:
@@ -3068,7 +3156,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_P6_PERFCTR0 ... MSR_P6_PERFCTR1:
case MSR_P6_EVNTSEL0 ... MSR_P6_EVNTSEL1:
if (kvm_pmu_is_valid_msr(vcpu, msr_info->index))
- return kvm_pmu_get_msr(vcpu, msr_info->index, &msr_info->data);
+ return kvm_pmu_get_msr(vcpu, msr_info);
msr_info->data = 0;
break;
case MSR_IA32_UCODE_REV:
@@ -3146,7 +3234,13 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = vcpu->arch.time;
break;
case MSR_KVM_ASYNC_PF_EN:
- msr_info->data = vcpu->arch.apf.msr_val;
+ msr_info->data = vcpu->arch.apf.msr_en_val;
+ break;
+ case MSR_KVM_ASYNC_PF_INT:
+ msr_info->data = vcpu->arch.apf.msr_int_val;
+ break;
+ case MSR_KVM_ASYNC_PF_ACK:
+ msr_info->data = 0;
break;
case MSR_KVM_STEAL_TIME:
msr_info->data = vcpu->arch.st.msr_val;
@@ -3184,6 +3278,8 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
msr_info->data = 0x20000000;
break;
case HV_X64_MSR_GUEST_OS_ID ... HV_X64_MSR_SINT15:
+ case HV_X64_MSR_SYNDBG_CONTROL ... HV_X64_MSR_SYNDBG_PENDING_BUFFER:
+ case HV_X64_MSR_SYNDBG_OPTIONS:
case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
case HV_X64_MSR_CRASH_CTL:
case HV_X64_MSR_STIMER0_CONFIG ... HV_X64_MSR_STIMER3_COUNT:
@@ -3230,7 +3326,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
break;
default:
if (kvm_pmu_is_valid_msr(vcpu, msr_info->index))
- return kvm_pmu_get_msr(vcpu, msr_info->index, &msr_info->data);
+ return kvm_pmu_get_msr(vcpu, msr_info);
if (!ignore_msrs) {
vcpu_debug_ratelimited(vcpu, "unhandled rdmsr: 0x%x\n",
msr_info->index);
@@ -3360,6 +3456,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_X86_ROBUST_SINGLESTEP:
case KVM_CAP_XSAVE:
case KVM_CAP_ASYNC_PF:
+ case KVM_CAP_ASYNC_PF_INT:
case KVM_CAP_GET_TSC_KHZ:
case KVM_CAP_KVMCLOCK_CTRL:
case KVM_CAP_READONLY_MEM:
@@ -3374,6 +3471,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_GET_MSR_FEATURES:
case KVM_CAP_MSR_PLATFORM_INFO:
case KVM_CAP_EXCEPTION_PAYLOAD:
+ case KVM_CAP_SET_GUEST_DEBUG:
r = 1;
break;
case KVM_CAP_SYNC_REGS:
@@ -3427,14 +3525,14 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)
r = KVM_X2APIC_API_VALID_FLAGS;
break;
case KVM_CAP_NESTED_STATE:
- r = kvm_x86_ops.get_nested_state ?
- kvm_x86_ops.get_nested_state(NULL, NULL, 0) : 0;
+ r = kvm_x86_ops.nested_ops->get_state ?
+ kvm_x86_ops.nested_ops->get_state(NULL, NULL, 0) : 0;
break;
case KVM_CAP_HYPERV_DIRECT_TLBFLUSH:
r = kvm_x86_ops.enable_direct_tlbflush != NULL;
break;
case KVM_CAP_HYPERV_ENLIGHTENED_VMCS:
- r = kvm_x86_ops.nested_enable_evmcs != NULL;
+ r = kvm_x86_ops.nested_ops->enable_evmcs != NULL;
break;
default:
break;
@@ -3559,6 +3657,9 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
kvm_x86_ops.vcpu_load(vcpu, cpu);
+ /* Save host pkru register if supported */
+ vcpu->arch.host_pkru = read_pkru();
+
/* Apply any externally detected TSC adjustments (due to suspend) */
if (unlikely(vcpu->arch.tsc_offset_adjustment)) {
adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment);
@@ -3752,7 +3853,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
unsigned bank_num = mcg_cap & 0xff, bank;
r = -EINVAL;
- if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
+ if (!bank_num || bank_num > KVM_MAX_MCE_BANKS)
goto out;
if (mcg_cap & ~(kvm_mce_cap_supported | 0xff | 0xff0000))
goto out;
@@ -4010,7 +4111,6 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db));
kvm_update_dr0123(vcpu);
vcpu->arch.dr6 = dbgregs->dr6;
- kvm_update_dr6(vcpu);
vcpu->arch.dr7 = dbgregs->dr7;
kvm_update_dr7(vcpu);
@@ -4220,9 +4320,9 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
return kvm_hv_activate_synic(vcpu, cap->cap ==
KVM_CAP_HYPERV_SYNIC2);
case KVM_CAP_HYPERV_ENLIGHTENED_VMCS:
- if (!kvm_x86_ops.nested_enable_evmcs)
+ if (!kvm_x86_ops.nested_ops->enable_evmcs)
return -ENOTTY;
- r = kvm_x86_ops.nested_enable_evmcs(vcpu, &vmcs_version);
+ r = kvm_x86_ops.nested_ops->enable_evmcs(vcpu, &vmcs_version);
if (!r) {
user_ptr = (void __user *)(uintptr_t)cap->args[0];
if (copy_to_user(user_ptr, &vmcs_version,
@@ -4537,7 +4637,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
u32 user_data_size;
r = -EINVAL;
- if (!kvm_x86_ops.get_nested_state)
+ if (!kvm_x86_ops.nested_ops->get_state)
break;
BUILD_BUG_ON(sizeof(user_data_size) != sizeof(user_kvm_nested_state->size));
@@ -4545,8 +4645,8 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (get_user(user_data_size, &user_kvm_nested_state->size))
break;
- r = kvm_x86_ops.get_nested_state(vcpu, user_kvm_nested_state,
- user_data_size);
+ r = kvm_x86_ops.nested_ops->get_state(vcpu, user_kvm_nested_state,
+ user_data_size);
if (r < 0)
break;
@@ -4567,7 +4667,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
int idx;
r = -EINVAL;
- if (!kvm_x86_ops.set_nested_state)
+ if (!kvm_x86_ops.nested_ops->set_state)
break;
r = -EFAULT;
@@ -4580,7 +4680,8 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
if (kvm_state.flags &
~(KVM_STATE_NESTED_RUN_PENDING | KVM_STATE_NESTED_GUEST_MODE
- | KVM_STATE_NESTED_EVMCS))
+ | KVM_STATE_NESTED_EVMCS | KVM_STATE_NESTED_MTF_PENDING
+ | KVM_STATE_NESTED_GIF_SET))
break;
/* nested_run_pending implies guest_mode. */
@@ -4589,7 +4690,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
break;
idx = srcu_read_lock(&vcpu->kvm->srcu);
- r = kvm_x86_ops.set_nested_state(vcpu, user_kvm_nested_state, &kvm_state);
+ r = kvm_x86_ops.nested_ops->set_state(vcpu, user_kvm_nested_state, &kvm_state);
srcu_read_unlock(&vcpu->kvm->srcu, idx);
break;
}
@@ -5049,10 +5150,13 @@ set_identity_unlock:
r = -EFAULT;
if (copy_from_user(&u.ps, argp, sizeof(u.ps)))
goto out;
+ mutex_lock(&kvm->lock);
r = -ENXIO;
if (!kvm->arch.vpit)
- goto out;
+ goto set_pit_out;
r = kvm_vm_ioctl_set_pit(kvm, &u.ps);
+set_pit_out:
+ mutex_unlock(&kvm->lock);
break;
}
case KVM_GET_PIT2: {
@@ -5072,10 +5176,13 @@ set_identity_unlock:
r = -EFAULT;
if (copy_from_user(&u.ps2, argp, sizeof(u.ps2)))
goto out;
+ mutex_lock(&kvm->lock);
r = -ENXIO;
if (!kvm->arch.vpit)
- goto out;
+ goto set_pit2_out;
r = kvm_vm_ioctl_set_pit2(kvm, &u.ps2);
+set_pit2_out:
+ mutex_unlock(&kvm->lock);
break;
}
case KVM_REINJECT_CONTROL: {
@@ -5230,6 +5337,10 @@ static void kvm_init_msr_list(void)
if (!kvm_cpu_cap_has(X86_FEATURE_RDTSCP))
continue;
break;
+ case MSR_IA32_UMWAIT_CONTROL:
+ if (!kvm_cpu_cap_has(X86_FEATURE_WAITPKG))
+ continue;
+ break;
case MSR_IA32_RTIT_CTL:
case MSR_IA32_RTIT_STATUS:
if (!kvm_cpu_cap_has(X86_FEATURE_INTEL_PT))
@@ -5247,7 +5358,7 @@ static void kvm_init_msr_list(void)
!intel_pt_validate_hw_cap(PT_CAP_single_range_output)))
continue;
break;
- case MSR_IA32_RTIT_ADDR0_A ... MSR_IA32_RTIT_ADDR3_B: {
+ case MSR_IA32_RTIT_ADDR0_A ... MSR_IA32_RTIT_ADDR3_B:
if (!kvm_cpu_cap_has(X86_FEATURE_INTEL_PT) ||
msrs_to_save_all[i] - MSR_IA32_RTIT_ADDR0_A >=
intel_pt_validate_hw_cap(PT_CAP_num_address_ranges) * 2)
@@ -5262,7 +5373,7 @@ static void kvm_init_msr_list(void)
if (msrs_to_save_all[i] - MSR_ARCH_PERFMON_EVENTSEL0 >=
min(INTEL_PMC_MAX_GENERIC, x86_pmu.num_counters_gp))
continue;
- }
+ break;
default:
break;
}
@@ -6391,7 +6502,7 @@ static bool inject_emulated_exception(struct kvm_vcpu *vcpu)
{
struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt;
if (ctxt->exception.vector == PF_VECTOR)
- return kvm_propagate_fault(vcpu, &ctxt->exception);
+ return kvm_inject_emulated_page_fault(vcpu, &ctxt->exception);
if (ctxt->exception.error_code_valid)
kvm_queue_exception_e(vcpu, ctxt->exception.vector,
@@ -6654,7 +6765,7 @@ static int kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu)
if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) {
kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM;
- kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip;
+ kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu);
kvm_run->debug.arch.exception = DB_VECTOR;
kvm_run->exit_reason = KVM_EXIT_DEBUG;
return 0;
@@ -6714,9 +6825,7 @@ static bool kvm_vcpu_check_breakpoint(struct kvm_vcpu *vcpu, int *r)
vcpu->arch.db);
if (dr6 != 0) {
- vcpu->arch.dr6 &= ~DR_TRAP_BITS;
- vcpu->arch.dr6 |= dr6 | DR6_RTM;
- kvm_queue_exception(vcpu, DB_VECTOR);
+ kvm_queue_exception_p(vcpu, DB_VECTOR, dr6);
*r = 1;
return true;
}
@@ -7659,14 +7768,17 @@ static void update_cr8_intercept(struct kvm_vcpu *vcpu)
kvm_x86_ops.update_cr8_intercept(vcpu, tpr, max_irr);
}
-static int inject_pending_event(struct kvm_vcpu *vcpu)
+static void inject_pending_event(struct kvm_vcpu *vcpu, bool *req_immediate_exit)
{
int r;
+ bool can_inject = true;
/* try to reinject previous events if any */
- if (vcpu->arch.exception.injected)
+ if (vcpu->arch.exception.injected) {
kvm_x86_ops.queue_exception(vcpu);
+ can_inject = false;
+ }
/*
* Do not inject an NMI or interrupt if there is a pending
* exception. Exceptions and interrupts are recognized at
@@ -7682,22 +7794,28 @@ static int inject_pending_event(struct kvm_vcpu *vcpu)
* fully complete the previous instruction.
*/
else if (!vcpu->arch.exception.pending) {
- if (vcpu->arch.nmi_injected)
+ if (vcpu->arch.nmi_injected) {
kvm_x86_ops.set_nmi(vcpu);
- else if (vcpu->arch.interrupt.injected)
+ can_inject = false;
+ } else if (vcpu->arch.interrupt.injected) {
kvm_x86_ops.set_irq(vcpu);
+ can_inject = false;
+ }
}
+ WARN_ON_ONCE(vcpu->arch.exception.injected &&
+ vcpu->arch.exception.pending);
+
/*
* Call check_nested_events() even if we reinjected a previous event
* in order for caller to determine if it should require immediate-exit
* from L2 to L1 due to pending L1 events which require exit
* from L2 to L1.
*/
- if (is_guest_mode(vcpu) && kvm_x86_ops.check_nested_events) {
- r = kvm_x86_ops.check_nested_events(vcpu);
- if (r != 0)
- return r;
+ if (is_guest_mode(vcpu)) {
+ r = kvm_x86_ops.nested_ops->check_events(vcpu);
+ if (r < 0)
+ goto busy;
}
/* try to inject new event if pending */
@@ -7706,7 +7824,6 @@ static int inject_pending_event(struct kvm_vcpu *vcpu)
vcpu->arch.exception.has_error_code,
vcpu->arch.exception.error_code);
- WARN_ON_ONCE(vcpu->arch.exception.injected);
vcpu->arch.exception.pending = false;
vcpu->arch.exception.injected = true;
@@ -7715,16 +7832,6 @@ static int inject_pending_event(struct kvm_vcpu *vcpu)
X86_EFLAGS_RF);
if (vcpu->arch.exception.nr == DB_VECTOR) {
- /*
- * This code assumes that nSVM doesn't use
- * check_nested_events(). If it does, the
- * DR6/DR7 changes should happen before L1
- * gets a #VMEXIT for an intercepted #DB in
- * L2. (Under VMX, on the other hand, the
- * DR6/DR7 changes should not happen in the
- * event of a VM-exit to L1 for an intercepted
- * #DB in L2.)
- */
kvm_deliver_exception_payload(vcpu);
if (vcpu->arch.dr7 & DR7_GD) {
vcpu->arch.dr7 &= ~DR7_GD;
@@ -7733,42 +7840,72 @@ static int inject_pending_event(struct kvm_vcpu *vcpu)
}
kvm_x86_ops.queue_exception(vcpu);
+ can_inject = false;
}
- /* Don't consider new event if we re-injected an event */
- if (kvm_event_needs_reinjection(vcpu))
- return 0;
+ /*
+ * Finally, inject interrupt events. If an event cannot be injected
+ * due to architectural conditions (e.g. IF=0) a window-open exit
+ * will re-request KVM_REQ_EVENT. Sometimes however an event is pending
+ * and can architecturally be injected, but we cannot do it right now:
+ * an interrupt could have arrived just now and we have to inject it
+ * as a vmexit, or there could already an event in the queue, which is
+ * indicated by can_inject. In that case we request an immediate exit
+ * in order to make progress and get back here for another iteration.
+ * The kvm_x86_ops hooks communicate this by returning -EBUSY.
+ */
+ if (vcpu->arch.smi_pending) {
+ r = can_inject ? kvm_x86_ops.smi_allowed(vcpu, true) : -EBUSY;
+ if (r < 0)
+ goto busy;
+ if (r) {
+ vcpu->arch.smi_pending = false;
+ ++vcpu->arch.smi_count;
+ enter_smm(vcpu);
+ can_inject = false;
+ } else
+ kvm_x86_ops.enable_smi_window(vcpu);
+ }
- if (vcpu->arch.smi_pending && !is_smm(vcpu) &&
- kvm_x86_ops.smi_allowed(vcpu)) {
- vcpu->arch.smi_pending = false;
- ++vcpu->arch.smi_count;
- enter_smm(vcpu);
- } else if (vcpu->arch.nmi_pending && kvm_x86_ops.nmi_allowed(vcpu)) {
- --vcpu->arch.nmi_pending;
- vcpu->arch.nmi_injected = true;
- kvm_x86_ops.set_nmi(vcpu);
- } else if (kvm_cpu_has_injectable_intr(vcpu)) {
- /*
- * Because interrupts can be injected asynchronously, we are
- * calling check_nested_events again here to avoid a race condition.
- * See https://lkml.org/lkml/2014/7/2/60 for discussion about this
- * proposal and current concerns. Perhaps we should be setting
- * KVM_REQ_EVENT only on certain events and not unconditionally?
- */
- if (is_guest_mode(vcpu) && kvm_x86_ops.check_nested_events) {
- r = kvm_x86_ops.check_nested_events(vcpu);
- if (r != 0)
- return r;
+ if (vcpu->arch.nmi_pending) {
+ r = can_inject ? kvm_x86_ops.nmi_allowed(vcpu, true) : -EBUSY;
+ if (r < 0)
+ goto busy;
+ if (r) {
+ --vcpu->arch.nmi_pending;
+ vcpu->arch.nmi_injected = true;
+ kvm_x86_ops.set_nmi(vcpu);
+ can_inject = false;
+ WARN_ON(kvm_x86_ops.nmi_allowed(vcpu, true) < 0);
}
- if (kvm_x86_ops.interrupt_allowed(vcpu)) {
- kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu),
- false);
+ if (vcpu->arch.nmi_pending)
+ kvm_x86_ops.enable_nmi_window(vcpu);
+ }
+
+ if (kvm_cpu_has_injectable_intr(vcpu)) {
+ r = can_inject ? kvm_x86_ops.interrupt_allowed(vcpu, true) : -EBUSY;
+ if (r < 0)
+ goto busy;
+ if (r) {
+ kvm_queue_interrupt(vcpu, kvm_cpu_get_interrupt(vcpu), false);
kvm_x86_ops.set_irq(vcpu);
+ WARN_ON(kvm_x86_ops.interrupt_allowed(vcpu, true) < 0);
}
+ if (kvm_cpu_has_injectable_intr(vcpu))
+ kvm_x86_ops.enable_irq_window(vcpu);
}
- return 0;
+ if (is_guest_mode(vcpu) &&
+ kvm_x86_ops.nested_ops->hv_timer_pending &&
+ kvm_x86_ops.nested_ops->hv_timer_pending(vcpu))
+ *req_immediate_exit = true;
+
+ WARN_ON(vcpu->arch.exception.pending);
+ return;
+
+busy:
+ *req_immediate_exit = true;
+ return;
}
static void process_nmi(struct kvm_vcpu *vcpu)
@@ -8037,7 +8174,7 @@ void kvm_make_scan_ioapic_request_mask(struct kvm *kvm,
zalloc_cpumask_var(&cpus, GFP_ATOMIC);
kvm_make_vcpus_request_mask(kvm, KVM_REQ_SCAN_IOAPIC,
- vcpu_bitmap, cpus);
+ NULL, vcpu_bitmap, cpus);
free_cpumask_var(cpus);
}
@@ -8067,6 +8204,7 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_update_apicv);
*/
void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit)
{
+ struct kvm_vcpu *except;
unsigned long old, new, expected;
if (!kvm_x86_ops.check_apicv_inhibit_reasons ||
@@ -8091,7 +8229,17 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit)
trace_kvm_apicv_update_request(activate, bit);
if (kvm_x86_ops.pre_update_apicv_exec_ctrl)
kvm_x86_ops.pre_update_apicv_exec_ctrl(kvm, activate);
- kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE);
+
+ /*
+ * Sending request to update APICV for all other vcpus,
+ * while update the calling vcpu immediately instead of
+ * waiting for another #VMEXIT to handle the request.
+ */
+ except = kvm_get_running_vcpu();
+ kvm_make_all_cpus_request_except(kvm, KVM_REQ_APICV_UPDATE,
+ except);
+ if (except)
+ kvm_vcpu_update_apicv(except);
}
EXPORT_SYMBOL_GPL(kvm_request_apicv_update);
@@ -8148,24 +8296,13 @@ int kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
void kvm_vcpu_reload_apic_access_page(struct kvm_vcpu *vcpu)
{
- struct page *page = NULL;
-
if (!lapic_in_kernel(vcpu))
return;
if (!kvm_x86_ops.set_apic_access_page_addr)
return;
- page = gfn_to_page(vcpu->kvm, APIC_DEFAULT_PHYS_BASE >> PAGE_SHIFT);
- if (is_error_page(page))
- return;
- kvm_x86_ops.set_apic_access_page_addr(vcpu, page_to_phys(page));
-
- /*
- * Do not pin apic access page in memory, the MMU notifier
- * will call us again if it is migrated or swapped out.
- */
- put_page(page);
+ kvm_x86_ops.set_apic_access_page_addr(vcpu);
}
void __kvm_request_immediate_exit(struct kvm_vcpu *vcpu)
@@ -8185,13 +8322,13 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
bool req_int_win =
dm_request_for_irq_injection(vcpu) &&
kvm_cpu_accept_dm_intr(vcpu);
- enum exit_fastpath_completion exit_fastpath = EXIT_FASTPATH_NONE;
+ fastpath_t exit_fastpath;
bool req_immediate_exit = false;
if (kvm_request_pending(vcpu)) {
if (kvm_check_request(KVM_REQ_GET_VMCS12_PAGES, vcpu)) {
- if (unlikely(!kvm_x86_ops.get_vmcs12_pages(vcpu))) {
+ if (unlikely(!kvm_x86_ops.nested_ops->get_vmcs12_pages(vcpu))) {
r = 0;
goto out;
}
@@ -8213,8 +8350,17 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
kvm_mmu_sync_roots(vcpu);
if (kvm_check_request(KVM_REQ_LOAD_MMU_PGD, vcpu))
kvm_mmu_load_pgd(vcpu);
- if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu))
- kvm_vcpu_flush_tlb(vcpu, true);
+ if (kvm_check_request(KVM_REQ_TLB_FLUSH, vcpu)) {
+ kvm_vcpu_flush_tlb_all(vcpu);
+
+ /* Flushing all ASIDs flushes the current ASID... */
+ kvm_clear_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu);
+ }
+ if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu))
+ kvm_vcpu_flush_tlb_current(vcpu);
+ if (kvm_check_request(KVM_REQ_HV_TLB_FLUSH, vcpu))
+ kvm_vcpu_flush_tlb_guest(vcpu);
+
if (kvm_check_request(KVM_REQ_REPORT_TPR_ACCESS, vcpu)) {
vcpu->run->exit_reason = KVM_EXIT_TPR_ACCESS;
r = 0;
@@ -8287,6 +8433,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
kvm_hv_process_stimers(vcpu);
if (kvm_check_request(KVM_REQ_APICV_UPDATE, vcpu))
kvm_vcpu_update_apicv(vcpu);
+ if (kvm_check_request(KVM_REQ_APF_READY, vcpu))
+ kvm_check_async_pf_completion(vcpu);
}
if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) {
@@ -8297,32 +8445,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
goto out;
}
- if (inject_pending_event(vcpu) != 0)
- req_immediate_exit = true;
- else {
- /* Enable SMI/NMI/IRQ window open exits if needed.
- *
- * SMIs have three cases:
- * 1) They can be nested, and then there is nothing to
- * do here because RSM will cause a vmexit anyway.
- * 2) There is an ISA-specific reason why SMI cannot be
- * injected, and the moment when this changes can be
- * intercepted.
- * 3) Or the SMI can be pending because
- * inject_pending_event has completed the injection
- * of an IRQ or NMI from the previous vmexit, and
- * then we request an immediate exit to inject the
- * SMI.
- */
- if (vcpu->arch.smi_pending && !is_smm(vcpu))
- if (!kvm_x86_ops.enable_smi_window(vcpu))
- req_immediate_exit = true;
- if (vcpu->arch.nmi_pending)
- kvm_x86_ops.enable_nmi_window(vcpu);
- if (kvm_cpu_has_injectable_intr(vcpu) || req_int_win)
- kvm_x86_ops.enable_irq_window(vcpu);
- WARN_ON(vcpu->arch.exception.pending);
- }
+ inject_pending_event(vcpu, &req_immediate_exit);
+ if (req_int_win)
+ kvm_x86_ops.enable_irq_window(vcpu);
if (kvm_lapic_enabled(vcpu)) {
update_cr8_intercept(vcpu);
@@ -8370,8 +8495,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
if (kvm_lapic_enabled(vcpu) && vcpu->arch.apicv_active)
kvm_x86_ops.sync_pir_to_irr(vcpu);
- if (vcpu->mode == EXITING_GUEST_MODE || kvm_request_pending(vcpu)
- || need_resched() || signal_pending(current)) {
+ if (kvm_vcpu_exit_request(vcpu)) {
vcpu->mode = OUTSIDE_GUEST_MODE;
smp_wmb();
local_irq_enable();
@@ -8403,7 +8527,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
}
- kvm_x86_ops.run(vcpu);
+ exit_fastpath = kvm_x86_ops.run(vcpu);
/*
* Do this here before restoring debug registers on the host. And
@@ -8415,7 +8539,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP);
kvm_x86_ops.sync_dirty_debug_regs(vcpu);
kvm_update_dr0123(vcpu);
- kvm_update_dr6(vcpu);
kvm_update_dr7(vcpu);
vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
}
@@ -8435,7 +8558,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
vcpu->mode = OUTSIDE_GUEST_MODE;
smp_wmb();
- kvm_x86_ops.handle_exit_irqoff(vcpu, &exit_fastpath);
+ kvm_x86_ops.handle_exit_irqoff(vcpu);
/*
* Consume any pending interrupts, including the possible source of
@@ -8482,6 +8605,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
return r;
cancel_injection:
+ if (req_immediate_exit)
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
kvm_x86_ops.cancel_injection(vcpu);
if (unlikely(vcpu->arch.apic_attention))
kvm_lapic_sync_from_vapic(vcpu);
@@ -8524,8 +8649,8 @@ static inline int vcpu_block(struct kvm *kvm, struct kvm_vcpu *vcpu)
static inline bool kvm_vcpu_running(struct kvm_vcpu *vcpu)
{
- if (is_guest_mode(vcpu) && kvm_x86_ops.check_nested_events)
- kvm_x86_ops.check_nested_events(vcpu);
+ if (is_guest_mode(vcpu))
+ kvm_x86_ops.nested_ops->check_events(vcpu);
return (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE &&
!vcpu->arch.apf.halted);
@@ -8561,8 +8686,6 @@ static int vcpu_run(struct kvm_vcpu *vcpu)
break;
}
- kvm_check_async_pf_completion(vcpu);
-
if (signal_pending(current)) {
r = -EINTR;
vcpu->run->exit_reason = KVM_EXIT_INTR;
@@ -8707,8 +8830,9 @@ static void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
trace_kvm_fpu(0);
}
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
{
+ struct kvm_run *kvm_run = vcpu->run;
int r;
vcpu_load(vcpu);
@@ -8726,18 +8850,18 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
r = -EAGAIN;
if (signal_pending(current)) {
r = -EINTR;
- vcpu->run->exit_reason = KVM_EXIT_INTR;
+ kvm_run->exit_reason = KVM_EXIT_INTR;
++vcpu->stat.signal_exits;
}
goto out;
}
- if (vcpu->run->kvm_valid_regs & ~KVM_SYNC_X86_VALID_FIELDS) {
+ if (kvm_run->kvm_valid_regs & ~KVM_SYNC_X86_VALID_FIELDS) {
r = -EINVAL;
goto out;
}
- if (vcpu->run->kvm_dirty_regs) {
+ if (kvm_run->kvm_dirty_regs) {
r = sync_regs(vcpu);
if (r != 0)
goto out;
@@ -8767,7 +8891,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
out:
kvm_put_guest_fpu(vcpu);
- if (vcpu->run->kvm_valid_regs)
+ if (kvm_run->kvm_valid_regs)
store_regs(vcpu);
post_kvm_run_save(vcpu);
kvm_sigset_deactivate(vcpu);
@@ -9359,9 +9483,8 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
}
fx_init(vcpu);
- vcpu->arch.guest_xstate_size = XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET;
-
vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu);
+ vcpu->arch.tdp_level = kvm_x86_ops.get_tdp_level(vcpu);
vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT;
@@ -9476,14 +9599,14 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db));
kvm_update_dr0123(vcpu);
vcpu->arch.dr6 = DR6_INIT;
- kvm_update_dr6(vcpu);
vcpu->arch.dr7 = DR7_FIXED_1;
kvm_update_dr7(vcpu);
vcpu->arch.cr2 = 0;
kvm_make_request(KVM_REQ_EVENT, vcpu);
- vcpu->arch.apf.msr_val = 0;
+ vcpu->arch.apf.msr_en_val = 0;
+ vcpu->arch.apf.msr_int_val = 0;
vcpu->arch.st.msr_val = 0;
kvmclock_reset(vcpu);
@@ -9658,7 +9781,9 @@ int kvm_arch_hardware_setup(void *opaque)
if (!kvm_cpu_cap_has(X86_FEATURE_XSAVES))
supported_xss = 0;
- cr4_reserved_bits = kvm_host_cr4_reserved_bits(&boot_cpu_data);
+#define __kvm_cpu_cap_has(UNUSED_, f) kvm_cpu_cap_has(f)
+ cr4_reserved_bits = __cr4_reserved_bits(__kvm_cpu_cap_has, UNUSED_);
+#undef __kvm_cpu_cap_has
if (kvm_has_tsc_control) {
/*
@@ -9690,7 +9815,8 @@ int kvm_arch_check_processor_compat(void *opaque)
WARN_ON(!irqs_disabled());
- if (kvm_host_cr4_reserved_bits(c) != cr4_reserved_bits)
+ if (__cr4_reserved_bits(cpu_has, c) !=
+ __cr4_reserved_bits(cpu_has, &boot_cpu_data))
return -EIO;
return ops->check_processor_compatibility();
@@ -10018,7 +10144,7 @@ static void kvm_mmu_slot_apply_flags(struct kvm *kvm,
{
/* Still write protect RO slot */
if (new->flags & KVM_MEM_READONLY) {
- kvm_mmu_slot_remove_write_access(kvm, new, PT_PAGE_TABLE_LEVEL);
+ kvm_mmu_slot_remove_write_access(kvm, new, PG_LEVEL_4K);
return;
}
@@ -10058,7 +10184,7 @@ static void kvm_mmu_slot_apply_flags(struct kvm *kvm,
} else {
int level =
kvm_dirty_log_manual_protect_and_init_set(kvm) ?
- PT_DIRECTORY_LEVEL : PT_PAGE_TABLE_LEVEL;
+ PG_LEVEL_2M : PG_LEVEL_4K;
/*
* If we're with initial-all-set, we don't need
@@ -10160,11 +10286,12 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
if (kvm_test_request(KVM_REQ_NMI, vcpu) ||
(vcpu->arch.nmi_pending &&
- kvm_x86_ops.nmi_allowed(vcpu)))
+ kvm_x86_ops.nmi_allowed(vcpu, false)))
return true;
if (kvm_test_request(KVM_REQ_SMI, vcpu) ||
- (vcpu->arch.smi_pending && !is_smm(vcpu)))
+ (vcpu->arch.smi_pending &&
+ kvm_x86_ops.smi_allowed(vcpu, false)))
return true;
if (kvm_arch_interrupt_allowed(vcpu) &&
@@ -10175,6 +10302,11 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
if (kvm_hv_has_stimer_pending(vcpu))
return true;
+ if (is_guest_mode(vcpu) &&
+ kvm_x86_ops.nested_ops->hv_timer_pending &&
+ kvm_x86_ops.nested_ops->hv_timer_pending(vcpu))
+ return true;
+
return false;
}
@@ -10211,7 +10343,7 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
int kvm_arch_interrupt_allowed(struct kvm_vcpu *vcpu)
{
- return kvm_x86_ops.interrupt_allowed(vcpu);
+ return kvm_x86_ops.interrupt_allowed(vcpu, false);
}
unsigned long kvm_get_linear_rip(struct kvm_vcpu *vcpu)
@@ -10276,12 +10408,14 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work)
static inline u32 kvm_async_pf_hash_fn(gfn_t gfn)
{
+ BUILD_BUG_ON(!is_power_of_2(ASYNC_PF_PER_VCPU));
+
return hash_32(gfn & 0xffffffff, order_base_2(ASYNC_PF_PER_VCPU));
}
static inline u32 kvm_async_pf_next_probe(u32 key)
{
- return (key + 1) & (roundup_pow_of_two(ASYNC_PF_PER_VCPU) - 1);
+ return (key + 1) & (ASYNC_PF_PER_VCPU - 1);
}
static void kvm_add_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn)
@@ -10299,7 +10433,7 @@ static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn)
int i;
u32 key = kvm_async_pf_hash_fn(gfn);
- for (i = 0; i < roundup_pow_of_two(ASYNC_PF_PER_VCPU) &&
+ for (i = 0; i < ASYNC_PF_PER_VCPU &&
(vcpu->arch.apf.gfns[key] != gfn &&
vcpu->arch.apf.gfns[key] != ~0); i++)
key = kvm_async_pf_next_probe(key);
@@ -10317,6 +10451,10 @@ static void kvm_del_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn)
u32 i, j, k;
i = j = kvm_async_pf_gfn_slot(vcpu, gfn);
+
+ if (WARN_ON_ONCE(vcpu->arch.apf.gfns[i] != gfn))
+ return;
+
while (true) {
vcpu->arch.apf.gfns[i] = ~0;
do {
@@ -10335,18 +10473,32 @@ static void kvm_del_async_pf_gfn(struct kvm_vcpu *vcpu, gfn_t gfn)
}
}
-static int apf_put_user(struct kvm_vcpu *vcpu, u32 val)
+static inline int apf_put_user_notpresent(struct kvm_vcpu *vcpu)
{
+ u32 reason = KVM_PV_REASON_PAGE_NOT_PRESENT;
- return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &val,
- sizeof(val));
+ return kvm_write_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, &reason,
+ sizeof(reason));
}
-static int apf_get_user(struct kvm_vcpu *vcpu, u32 *val)
+static inline int apf_put_user_ready(struct kvm_vcpu *vcpu, u32 token)
{
+ unsigned int offset = offsetof(struct kvm_vcpu_pv_apf_data, token);
- return kvm_read_guest_cached(vcpu->kvm, &vcpu->arch.apf.data, val,
- sizeof(u32));
+ return kvm_write_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data,
+ &token, offset, sizeof(token));
+}
+
+static inline bool apf_pageready_slot_free(struct kvm_vcpu *vcpu)
+{
+ unsigned int offset = offsetof(struct kvm_vcpu_pv_apf_data, token);
+ u32 val;
+
+ if (kvm_read_guest_offset_cached(vcpu->kvm, &vcpu->arch.apf.data,
+ &val, offset, sizeof(val)))
+ return false;
+
+ return !val;
}
static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu)
@@ -10354,9 +10506,8 @@ static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu)
if (!vcpu->arch.apf.delivery_as_pf_vmexit && is_guest_mode(vcpu))
return false;
- if (!(vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED) ||
- (vcpu->arch.apf.send_user_only &&
- kvm_x86_ops.get_cpl(vcpu) == 0))
+ if (!kvm_pv_async_pf_enabled(vcpu) ||
+ (vcpu->arch.apf.send_user_only && kvm_x86_ops.get_cpl(vcpu) == 0))
return false;
return true;
@@ -10376,7 +10527,7 @@ bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu)
* If interrupts are off we cannot even use an artificial
* halt state.
*/
- return kvm_x86_ops.interrupt_allowed(vcpu);
+ return kvm_arch_interrupt_allowed(vcpu);
}
void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
@@ -10388,7 +10539,7 @@ void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
kvm_add_async_pf_gfn(vcpu, work->arch.gfn);
if (kvm_can_deliver_async_pf(vcpu) &&
- !apf_put_user(vcpu, KVM_PV_REASON_PAGE_NOT_PRESENT)) {
+ !apf_put_user_notpresent(vcpu)) {
fault.vector = PF_VECTOR;
fault.error_code_valid = true;
fault.error_code = 0;
@@ -10412,8 +10563,10 @@ void kvm_arch_async_page_not_present(struct kvm_vcpu *vcpu,
void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
struct kvm_async_pf *work)
{
- struct x86_exception fault;
- u32 val;
+ struct kvm_lapic_irq irq = {
+ .delivery_mode = APIC_DM_FIXED,
+ .vector = vcpu->arch.apf.vec
+ };
if (work->wakeup_all)
work->arch.token = ~0; /* broadcast wakeup */
@@ -10421,39 +10574,29 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu,
kvm_del_async_pf_gfn(vcpu, work->arch.gfn);
trace_kvm_async_pf_ready(work->arch.token, work->cr2_or_gpa);
- if (vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED &&
- !apf_get_user(vcpu, &val)) {
- if (val == KVM_PV_REASON_PAGE_NOT_PRESENT &&
- vcpu->arch.exception.pending &&
- vcpu->arch.exception.nr == PF_VECTOR &&
- !apf_put_user(vcpu, 0)) {
- vcpu->arch.exception.injected = false;
- vcpu->arch.exception.pending = false;
- vcpu->arch.exception.nr = 0;
- vcpu->arch.exception.has_error_code = false;
- vcpu->arch.exception.error_code = 0;
- vcpu->arch.exception.has_payload = false;
- vcpu->arch.exception.payload = 0;
- } else if (!apf_put_user(vcpu, KVM_PV_REASON_PAGE_READY)) {
- fault.vector = PF_VECTOR;
- fault.error_code_valid = true;
- fault.error_code = 0;
- fault.nested_page_fault = false;
- fault.address = work->arch.token;
- fault.async_page_fault = true;
- kvm_inject_page_fault(vcpu, &fault);
- }
+ if (kvm_pv_async_pf_enabled(vcpu) &&
+ !apf_put_user_ready(vcpu, work->arch.token)) {
+ vcpu->arch.apf.pageready_pending = true;
+ kvm_apic_set_irq(vcpu, &irq, NULL);
}
+
vcpu->arch.apf.halted = false;
vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
}
-bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu)
+void kvm_arch_async_page_present_queued(struct kvm_vcpu *vcpu)
+{
+ kvm_make_request(KVM_REQ_APF_READY, vcpu);
+ if (!vcpu->arch.apf.pageready_pending)
+ kvm_vcpu_kick(vcpu);
+}
+
+bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu)
{
- if (!(vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED))
+ if (!kvm_pv_async_pf_enabled(vcpu))
return true;
else
- return kvm_can_do_async_pf(vcpu);
+ return apf_pageready_slot_free(vcpu);
}
void kvm_arch_start_assignment(struct kvm *kvm)
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index b968acc0516f..6eb62e97e59f 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -125,6 +125,12 @@ static inline bool mmu_is_nested(struct kvm_vcpu *vcpu)
return vcpu->arch.walk_mmu == &vcpu->arch.nested_mmu;
}
+static inline void kvm_vcpu_flush_tlb_current(struct kvm_vcpu *vcpu)
+{
+ ++vcpu->stat.tlb_flush;
+ kvm_x86_ops.tlb_flush_current(vcpu);
+}
+
static inline int is_pae(struct kvm_vcpu *vcpu)
{
return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
@@ -268,7 +274,7 @@ bool kvm_mtrr_check_gfn_range_consistency(struct kvm_vcpu *vcpu, gfn_t gfn,
bool kvm_vector_hashing_enabled(void);
int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
int emulation_type, void *insn, int insn_len);
-enum exit_fastpath_completion handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu);
+fastpath_t handle_fastpath_set_msr_irqoff(struct kvm_vcpu *vcpu);
extern u64 host_xcr0;
extern u64 supported_xcr0;
@@ -358,5 +364,6 @@ static inline bool kvm_dr7_valid(u64 data)
void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu);
void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu);
u64 kvm_spec_ctrl_valid_bits(struct kvm_vcpu *vcpu);
+bool kvm_vcpu_exit_request(struct kvm_vcpu *vcpu);
#endif
diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S
index 4742e8fa7ee7..d1d768912368 100644
--- a/arch/x86/lib/checksum_32.S
+++ b/arch/x86/lib/checksum_32.S
@@ -153,7 +153,7 @@ SYM_FUNC_START(csum_partial)
negl %ebx
lea 45f(%ebx,%ebx,2), %ebx
testl %esi, %esi
- JMP_NOSPEC %ebx
+ JMP_NOSPEC ebx
# Handle 2-byte-aligned regions
20: addw (%esi), %ax
@@ -436,7 +436,7 @@ SYM_FUNC_START(csum_partial_copy_generic)
andl $-32,%edx
lea 3f(%ebx,%ebx), %ebx
testl %esi, %esi
- JMP_NOSPEC %ebx
+ JMP_NOSPEC ebx
1: addl $64,%esi
addl $64,%edi
SRC(movb -32(%edx),%bl) ; SRC(movb (%edx),%bl)
diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
index c66c8b00f236..ee63d7576fd2 100644
--- a/arch/x86/lib/csum-wrappers_64.c
+++ b/arch/x86/lib/csum-wrappers_64.c
@@ -10,7 +10,7 @@
#include <asm/smap.h>
/**
- * csum_partial_copy_from_user - Copy and checksum from user space.
+ * csum_and_copy_from_user - Copy and checksum from user space.
* @src: source address (user space)
* @dst: destination address
* @len: number of bytes to be copied.
@@ -21,13 +21,13 @@
* src and dst are best aligned to 64bits.
*/
__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
+csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum isum, int *errp)
{
might_sleep();
*errp = 0;
- if (!likely(access_ok(src, len)))
+ if (!user_access_begin(src, len))
goto out_err;
/*
@@ -42,8 +42,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
while (((unsigned long)src & 6) && len >= 2) {
__u16 val16;
- if (__get_user(val16, (const __u16 __user *)src))
- goto out_err;
+ unsafe_get_user(val16, (const __u16 __user *)src, out);
*(__u16 *)dst = val16;
isum = (__force __wsum)add32_with_carry(
@@ -53,25 +52,26 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
len -= 2;
}
}
- stac();
isum = csum_partial_copy_generic((__force const void *)src,
dst, len, isum, errp, NULL);
- clac();
+ user_access_end();
if (unlikely(*errp))
goto out_err;
return isum;
+out:
+ user_access_end();
out_err:
*errp = -EFAULT;
memset(dst, 0, len);
return isum;
}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
+EXPORT_SYMBOL(csum_and_copy_from_user);
/**
- * csum_partial_copy_to_user - Copy and checksum to user space.
+ * csum_and_copy_to_user - Copy and checksum to user space.
* @src: source address
* @dst: destination address (user space)
* @len: number of bytes to be copied.
@@ -82,14 +82,14 @@ EXPORT_SYMBOL(csum_partial_copy_from_user);
* src and dst are best aligned to 64bits.
*/
__wsum
-csum_partial_copy_to_user(const void *src, void __user *dst,
+csum_and_copy_to_user(const void *src, void __user *dst,
int len, __wsum isum, int *errp)
{
__wsum ret;
might_sleep();
- if (unlikely(!access_ok(dst, len))) {
+ if (!user_access_begin(dst, len)) {
*errp = -EFAULT;
return 0;
}
@@ -100,9 +100,7 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
isum = (__force __wsum)add32_with_carry(
(__force unsigned)isum, val16);
- *errp = __put_user(val16, (__u16 __user *)dst);
- if (*errp)
- return isum;
+ unsafe_put_user(val16, (__u16 __user *)dst, out);
src += 2;
dst += 2;
len -= 2;
@@ -110,13 +108,16 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
}
*errp = 0;
- stac();
ret = csum_partial_copy_generic(src, (void __force *)dst,
len, isum, NULL, errp);
- clac();
+ user_access_end();
return ret;
+out:
+ user_access_end();
+ *errp = -EFAULT;
+ return isum;
}
-EXPORT_SYMBOL(csum_partial_copy_to_user);
+EXPORT_SYMBOL(csum_and_copy_to_user);
/**
* csum_partial_copy_nocheck - Copy and checksum.
diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index c126571e5e2e..65d15df6212d 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -27,9 +27,20 @@
# include <asm/smp.h>
#endif
+static void delay_loop(u64 __loops);
+
+/*
+ * Calibration and selection of the delay mechanism happens only once
+ * during boot.
+ */
+static void (*delay_fn)(u64) __ro_after_init = delay_loop;
+static void (*delay_halt_fn)(u64 start, u64 cycles) __ro_after_init;
+
/* simple loop based delay: */
-static void delay_loop(unsigned long loops)
+static void delay_loop(u64 __loops)
{
+ unsigned long loops = (unsigned long)__loops;
+
asm volatile(
" test %0,%0 \n"
" jz 3f \n"
@@ -49,9 +60,9 @@ static void delay_loop(unsigned long loops)
}
/* TSC based delay: */
-static void delay_tsc(unsigned long __loops)
+static void delay_tsc(u64 cycles)
{
- u64 bclock, now, loops = __loops;
+ u64 bclock, now;
int cpu;
preempt_disable();
@@ -59,7 +70,7 @@ static void delay_tsc(unsigned long __loops)
bclock = rdtsc_ordered();
for (;;) {
now = rdtsc_ordered();
- if ((now - bclock) >= loops)
+ if ((now - bclock) >= cycles)
break;
/* Allow RT tasks to run */
@@ -77,7 +88,7 @@ static void delay_tsc(unsigned long __loops)
* counter for this CPU.
*/
if (unlikely(cpu != smp_processor_id())) {
- loops -= (now - bclock);
+ cycles -= (now - bclock);
cpu = smp_processor_id();
bclock = rdtsc_ordered();
}
@@ -86,65 +97,96 @@ static void delay_tsc(unsigned long __loops)
}
/*
+ * On Intel the TPAUSE instruction waits until any of:
+ * 1) the TSC counter exceeds the value provided in EDX:EAX
+ * 2) global timeout in IA32_UMWAIT_CONTROL is exceeded
+ * 3) an external interrupt occurs
+ */
+static void delay_halt_tpause(u64 start, u64 cycles)
+{
+ u64 until = start + cycles;
+ u32 eax, edx;
+
+ eax = lower_32_bits(until);
+ edx = upper_32_bits(until);
+
+ /*
+ * Hard code the deeper (C0.2) sleep state because exit latency is
+ * small compared to the "microseconds" that usleep() will delay.
+ */
+ __tpause(TPAUSE_C02_STATE, edx, eax);
+}
+
+/*
* On some AMD platforms, MWAITX has a configurable 32-bit timer, that
- * counts with TSC frequency. The input value is the loop of the
- * counter, it will exit when the timer expires.
+ * counts with TSC frequency. The input value is the number of TSC cycles
+ * to wait. MWAITX will also exit when the timer expires.
*/
-static void delay_mwaitx(unsigned long __loops)
+static void delay_halt_mwaitx(u64 unused, u64 cycles)
{
- u64 start, end, delay, loops = __loops;
+ u64 delay;
+
+ delay = min_t(u64, MWAITX_MAX_WAIT_CYCLES, cycles);
+ /*
+ * Use cpu_tss_rw as a cacheline-aligned, seldomly accessed per-cpu
+ * variable as the monitor target.
+ */
+ __monitorx(raw_cpu_ptr(&cpu_tss_rw), 0, 0);
+
+ /*
+ * AMD, like Intel, supports the EAX hint and EAX=0xf means, do not
+ * enter any deep C-state and we use it here in delay() to minimize
+ * wakeup latency.
+ */
+ __mwaitx(MWAITX_DISABLE_CSTATES, delay, MWAITX_ECX_TIMER_ENABLE);
+}
+
+/*
+ * Call a vendor specific function to delay for a given amount of time. Because
+ * these functions may return earlier than requested, check for actual elapsed
+ * time and call again until done.
+ */
+static void delay_halt(u64 __cycles)
+{
+ u64 start, end, cycles = __cycles;
/*
* Timer value of 0 causes MWAITX to wait indefinitely, unless there
* is a store on the memory monitored by MONITORX.
*/
- if (loops == 0)
+ if (!cycles)
return;
start = rdtsc_ordered();
for (;;) {
- delay = min_t(u64, MWAITX_MAX_LOOPS, loops);
-
- /*
- * Use cpu_tss_rw as a cacheline-aligned, seldomly
- * accessed per-cpu variable as the monitor target.
- */
- __monitorx(raw_cpu_ptr(&cpu_tss_rw), 0, 0);
-
- /*
- * AMD, like Intel's MWAIT version, supports the EAX hint and
- * EAX=0xf0 means, do not enter any deep C-state and we use it
- * here in delay() to minimize wakeup latency.
- */
- __mwaitx(MWAITX_DISABLE_CSTATES, delay, MWAITX_ECX_TIMER_ENABLE);
-
+ delay_halt_fn(start, cycles);
end = rdtsc_ordered();
- if (loops <= end - start)
+ if (cycles <= end - start)
break;
- loops -= end - start;
-
+ cycles -= end - start;
start = end;
}
}
-/*
- * Since we calibrate only once at boot, this
- * function should be set once at boot and not changed
- */
-static void (*delay_fn)(unsigned long) = delay_loop;
-
-void use_tsc_delay(void)
+void __init use_tsc_delay(void)
{
if (delay_fn == delay_loop)
delay_fn = delay_tsc;
}
+void __init use_tpause_delay(void)
+{
+ delay_halt_fn = delay_halt_tpause;
+ delay_fn = delay_halt;
+}
+
void use_mwaitx_delay(void)
{
- delay_fn = delay_mwaitx;
+ delay_halt_fn = delay_halt_mwaitx;
+ delay_fn = delay_halt;
}
int read_current_timer(unsigned long *timer_val)
diff --git a/arch/x86/lib/retpoline.S b/arch/x86/lib/retpoline.S
index 363ec132df7e..b4c43a9b1483 100644
--- a/arch/x86/lib/retpoline.S
+++ b/arch/x86/lib/retpoline.S
@@ -7,15 +7,31 @@
#include <asm/alternative-asm.h>
#include <asm/export.h>
#include <asm/nospec-branch.h>
+#include <asm/unwind_hints.h>
+#include <asm/frame.h>
.macro THUNK reg
.section .text.__x86.indirect_thunk
+ .align 32
SYM_FUNC_START(__x86_indirect_thunk_\reg)
- CFI_STARTPROC
- JMP_NOSPEC %\reg
- CFI_ENDPROC
+ JMP_NOSPEC \reg
SYM_FUNC_END(__x86_indirect_thunk_\reg)
+
+SYM_FUNC_START_NOALIGN(__x86_retpoline_\reg)
+ ANNOTATE_INTRA_FUNCTION_CALL
+ call .Ldo_rop_\@
+.Lspec_trap_\@:
+ UNWIND_HINT_EMPTY
+ pause
+ lfence
+ jmp .Lspec_trap_\@
+.Ldo_rop_\@:
+ mov %\reg, (%_ASM_SP)
+ UNWIND_HINT_RET_OFFSET
+ ret
+SYM_FUNC_END(__x86_retpoline_\reg)
+
.endm
/*
@@ -24,25 +40,24 @@ SYM_FUNC_END(__x86_indirect_thunk_\reg)
* only see one instance of "__x86_indirect_thunk_\reg" rather
* than one per register with the correct names. So we do it
* the simple and nasty way...
+ *
+ * Worse, you can only have a single EXPORT_SYMBOL per line,
+ * and CPP can't insert newlines, so we have to repeat everything
+ * at least twice.
*/
-#define __EXPORT_THUNK(sym) _ASM_NOKPROBE(sym); EXPORT_SYMBOL(sym)
-#define EXPORT_THUNK(reg) __EXPORT_THUNK(__x86_indirect_thunk_ ## reg)
-#define GENERATE_THUNK(reg) THUNK reg ; EXPORT_THUNK(reg)
-
-GENERATE_THUNK(_ASM_AX)
-GENERATE_THUNK(_ASM_BX)
-GENERATE_THUNK(_ASM_CX)
-GENERATE_THUNK(_ASM_DX)
-GENERATE_THUNK(_ASM_SI)
-GENERATE_THUNK(_ASM_DI)
-GENERATE_THUNK(_ASM_BP)
-#ifdef CONFIG_64BIT
-GENERATE_THUNK(r8)
-GENERATE_THUNK(r9)
-GENERATE_THUNK(r10)
-GENERATE_THUNK(r11)
-GENERATE_THUNK(r12)
-GENERATE_THUNK(r13)
-GENERATE_THUNK(r14)
-GENERATE_THUNK(r15)
-#endif
+
+#define __EXPORT_THUNK(sym) _ASM_NOKPROBE(sym); EXPORT_SYMBOL(sym)
+#define EXPORT_THUNK(reg) __EXPORT_THUNK(__x86_indirect_thunk_ ## reg)
+#define EXPORT_RETPOLINE(reg) __EXPORT_THUNK(__x86_retpoline_ ## reg)
+
+#undef GEN
+#define GEN(reg) THUNK reg
+#include <asm/GEN-for-each-reg.h>
+
+#undef GEN
+#define GEN(reg) EXPORT_THUNK(reg)
+#include <asm/GEN-for-each-reg.h>
+
+#undef GEN
+#define GEN(reg) EXPORT_RETPOLINE(reg)
+#include <asm/GEN-for-each-reg.h>
diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c
index 56f9189bbadb..5199d8a1daf1 100644
--- a/arch/x86/mm/cpu_entry_area.c
+++ b/arch/x86/mm/cpu_entry_area.c
@@ -17,7 +17,7 @@ static DEFINE_PER_CPU_PAGE_ALIGNED(struct exception_stacks, exception_stacks);
DEFINE_PER_CPU(struct cea_exception_stacks*, cea_exception_stacks);
#endif
-#if defined(CONFIG_X86_32) && defined(CONFIG_DOUBLEFAULT)
+#ifdef CONFIG_X86_32
DECLARE_PER_CPU_PAGE_ALIGNED(struct doublefault_stack, doublefault_stack);
#endif
@@ -114,12 +114,10 @@ static void __init percpu_setup_exception_stacks(unsigned int cpu)
#else
static inline void percpu_setup_exception_stacks(unsigned int cpu)
{
-#ifdef CONFIG_DOUBLEFAULT
struct cpu_entry_area *cea = get_cpu_entry_area(cpu);
cea_map_percpu_pages(&cea->doublefault_stack,
&per_cpu(doublefault_stack, cpu), 1, PAGE_KERNEL);
-#endif
}
#endif
diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c
index 69309cd56fdf..ea9010113f69 100644
--- a/arch/x86/mm/dump_pagetables.c
+++ b/arch/x86/mm/dump_pagetables.c
@@ -249,10 +249,22 @@ static void note_wx(struct pg_state *st, unsigned long addr)
(void *)st->start_address);
}
-static inline pgprotval_t effective_prot(pgprotval_t prot1, pgprotval_t prot2)
+static void effective_prot(struct ptdump_state *pt_st, int level, u64 val)
{
- return (prot1 & prot2 & (_PAGE_USER | _PAGE_RW)) |
- ((prot1 | prot2) & _PAGE_NX);
+ struct pg_state *st = container_of(pt_st, struct pg_state, ptdump);
+ pgprotval_t prot = val & PTE_FLAGS_MASK;
+ pgprotval_t effective;
+
+ if (level > 0) {
+ pgprotval_t higher_prot = st->prot_levels[level - 1];
+
+ effective = (higher_prot & prot & (_PAGE_USER | _PAGE_RW)) |
+ ((higher_prot | prot) & _PAGE_NX);
+ } else {
+ effective = prot;
+ }
+
+ st->prot_levels[level] = effective;
}
/*
@@ -261,7 +273,7 @@ static inline pgprotval_t effective_prot(pgprotval_t prot1, pgprotval_t prot2)
* print what we collected so far.
*/
static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
- unsigned long val)
+ u64 val)
{
struct pg_state *st = container_of(pt_st, struct pg_state, ptdump);
pgprotval_t new_prot, new_eff;
@@ -270,16 +282,10 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level,
struct seq_file *m = st->seq;
new_prot = val & PTE_FLAGS_MASK;
-
- if (level > 0) {
- new_eff = effective_prot(st->prot_levels[level - 1],
- new_prot);
- } else {
- new_eff = new_prot;
- }
-
- if (level >= 0)
- st->prot_levels[level] = new_eff;
+ if (!val)
+ new_eff = 0;
+ else
+ new_eff = st->prot_levels[level];
/*
* If we have a "break" in the series, we need to flush the state that
@@ -374,6 +380,7 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m,
struct pg_state st = {
.ptdump = {
.note_page = note_page,
+ .effective_prot = effective_prot,
.range = ptdump_ranges
},
.level = -1,
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index a51df516b87b..c5437f2964ee 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -30,6 +30,7 @@
#include <asm/desc.h> /* store_idt(), ... */
#include <asm/cpu_entry_area.h> /* exception stack */
#include <asm/pgtable_areas.h> /* VMALLOC_START, ... */
+#include <asm/kvm_para.h> /* kvm_handle_async_pf */
#define CREATE_TRACE_POINTS
#include <asm/trace/exceptions.h>
@@ -190,16 +191,13 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
return pmd_k;
}
-static void vmalloc_sync(void)
+void arch_sync_kernel_mappings(unsigned long start, unsigned long end)
{
- unsigned long address;
-
- if (SHARED_KERNEL_PMD)
- return;
+ unsigned long addr;
- for (address = VMALLOC_START & PMD_MASK;
- address >= TASK_SIZE_MAX && address < VMALLOC_END;
- address += PMD_SIZE) {
+ for (addr = start & PMD_MASK;
+ addr >= TASK_SIZE_MAX && addr < VMALLOC_END;
+ addr += PMD_SIZE) {
struct page *page;
spin_lock(&pgd_lock);
@@ -210,61 +208,13 @@ static void vmalloc_sync(void)
pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
spin_lock(pgt_lock);
- vmalloc_sync_one(page_address(page), address);
+ vmalloc_sync_one(page_address(page), addr);
spin_unlock(pgt_lock);
}
spin_unlock(&pgd_lock);
}
}
-void vmalloc_sync_mappings(void)
-{
- vmalloc_sync();
-}
-
-void vmalloc_sync_unmappings(void)
-{
- vmalloc_sync();
-}
-
-/*
- * 32-bit:
- *
- * Handle a fault on the vmalloc or module mapping area
- */
-static noinline int vmalloc_fault(unsigned long address)
-{
- unsigned long pgd_paddr;
- pmd_t *pmd_k;
- pte_t *pte_k;
-
- /* Make sure we are in vmalloc area: */
- if (!(address >= VMALLOC_START && address < VMALLOC_END))
- return -1;
-
- /*
- * Synchronize this task's top level page-table
- * with the 'reference' page table.
- *
- * Do _not_ use "current" here. We might be inside
- * an interrupt in the middle of a task switch..
- */
- pgd_paddr = read_cr3_pa();
- pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
- if (!pmd_k)
- return -1;
-
- if (pmd_large(*pmd_k))
- return 0;
-
- pte_k = pte_offset_kernel(pmd_k, address);
- if (!pte_present(*pte_k))
- return -1;
-
- return 0;
-}
-NOKPROBE_SYMBOL(vmalloc_fault);
-
/*
* Did it hit the DOS screen memory VA from vm86 mode?
*/
@@ -329,96 +279,6 @@ out:
#else /* CONFIG_X86_64: */
-void vmalloc_sync_mappings(void)
-{
- /*
- * 64-bit mappings might allocate new p4d/pud pages
- * that need to be propagated to all tasks' PGDs.
- */
- sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END);
-}
-
-void vmalloc_sync_unmappings(void)
-{
- /*
- * Unmappings never allocate or free p4d/pud pages.
- * No work is required here.
- */
-}
-
-/*
- * 64-bit:
- *
- * Handle a fault on the vmalloc area
- */
-static noinline int vmalloc_fault(unsigned long address)
-{
- pgd_t *pgd, *pgd_k;
- p4d_t *p4d, *p4d_k;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
-
- /* Make sure we are in vmalloc area: */
- if (!(address >= VMALLOC_START && address < VMALLOC_END))
- return -1;
-
- /*
- * Copy kernel mappings over when needed. This can also
- * happen within a race in page table update. In the later
- * case just flush:
- */
- pgd = (pgd_t *)__va(read_cr3_pa()) + pgd_index(address);
- pgd_k = pgd_offset_k(address);
- if (pgd_none(*pgd_k))
- return -1;
-
- if (pgtable_l5_enabled()) {
- if (pgd_none(*pgd)) {
- set_pgd(pgd, *pgd_k);
- arch_flush_lazy_mmu_mode();
- } else {
- BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_k));
- }
- }
-
- /* With 4-level paging, copying happens on the p4d level. */
- p4d = p4d_offset(pgd, address);
- p4d_k = p4d_offset(pgd_k, address);
- if (p4d_none(*p4d_k))
- return -1;
-
- if (p4d_none(*p4d) && !pgtable_l5_enabled()) {
- set_p4d(p4d, *p4d_k);
- arch_flush_lazy_mmu_mode();
- } else {
- BUG_ON(p4d_pfn(*p4d) != p4d_pfn(*p4d_k));
- }
-
- BUILD_BUG_ON(CONFIG_PGTABLE_LEVELS < 4);
-
- pud = pud_offset(p4d, address);
- if (pud_none(*pud))
- return -1;
-
- if (pud_large(*pud))
- return 0;
-
- pmd = pmd_offset(pud, address);
- if (pmd_none(*pmd))
- return -1;
-
- if (pmd_large(*pmd))
- return 0;
-
- pte = pte_offset_kernel(pmd, address);
- if (!pte_present(*pte))
- return -1;
-
- return 0;
-}
-NOKPROBE_SYMBOL(vmalloc_fault);
-
#ifdef CONFIG_CPU_SUP_AMD
static const char errata93_warning[] =
KERN_ERR
@@ -1257,29 +1117,6 @@ do_kern_addr_fault(struct pt_regs *regs, unsigned long hw_error_code,
*/
WARN_ON_ONCE(hw_error_code & X86_PF_PK);
- /*
- * We can fault-in kernel-space virtual memory on-demand. The
- * 'reference' page table is init_mm.pgd.
- *
- * NOTE! We MUST NOT take any locks for this case. We may
- * be in an interrupt or a critical region, and should
- * only copy the information from the master page table,
- * nothing more.
- *
- * Before doing this on-demand faulting, ensure that the
- * fault is not any of the following:
- * 1. A fault on a PTE with a reserved bit set.
- * 2. A fault caused by a user-mode access. (Do not demand-
- * fault kernel memory due to user-mode accesses).
- * 3. A fault caused by a page-level protection violation.
- * (A demand fault would be on a non-present page which
- * would have X86_PF_PROT==0).
- */
- if (!(hw_error_code & (X86_PF_RSVD | X86_PF_USER | X86_PF_PROT))) {
- if (vmalloc_fault(address) >= 0)
- return;
- }
-
/* Was the fault spurious, caused by lazy TLB invalidation? */
if (spurious_kernel_fault(hw_error_code, address))
return;
@@ -1523,6 +1360,24 @@ do_page_fault(struct pt_regs *regs, unsigned long hw_error_code,
unsigned long address)
{
prefetchw(&current->mm->mmap_sem);
+ /*
+ * KVM has two types of events that are, logically, interrupts, but
+ * are unfortunately delivered using the #PF vector. These events are
+ * "you just accessed valid memory, but the host doesn't have it right
+ * now, so I'll put you to sleep if you continue" and "that memory
+ * you tried to access earlier is available now."
+ *
+ * We are relying on the interrupted context being sane (valid RSP,
+ * relevant locks not held, etc.), which is fine as long as the
+ * interrupted context had IF=1. We are also relying on the KVM
+ * async pf type field and CR2 being read consistently instead of
+ * getting values from real and async page faults mixed up.
+ *
+ * Fingers crossed.
+ */
+ if (kvm_handle_async_pf(regs, (u32)address))
+ return;
+
trace_page_fault_entries(regs, hw_error_code, address);
if (unlikely(kmmio_fault(regs, address)))
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 5bfd5aef5378..cf5781142716 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -181,28 +181,21 @@ get_unmapped_area:
#endif /* CONFIG_HUGETLB_PAGE */
#ifdef CONFIG_X86_64
-static __init int setup_hugepagesz(char *opt)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long ps = memparse(opt, &opt);
- if (ps == PMD_SIZE) {
- hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT);
- } else if (ps == PUD_SIZE && boot_cpu_has(X86_FEATURE_GBPAGES)) {
- hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
- } else {
- hugetlb_bad_size();
- printk(KERN_ERR "hugepagesz: Unsupported page size %lu M\n",
- ps >> 20);
- return 0;
- }
- return 1;
+ if (size == PMD_SIZE)
+ return true;
+ else if (size == PUD_SIZE && boot_cpu_has(X86_FEATURE_GBPAGES))
+ return true;
+ else
+ return false;
}
-__setup("hugepagesz=", setup_hugepagesz);
#ifdef CONFIG_CONTIG_ALLOC
static __init int gigantic_pages_init(void)
{
/* With compaction or CMA we can allocate gigantic pages at runtime */
- if (boot_cpu_has(X86_FEATURE_GBPAGES) && !size_to_hstate(1UL << PUD_SHIFT))
+ if (boot_cpu_has(X86_FEATURE_GBPAGES))
hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT);
return 0;
}
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 1bba16c5742b..1decb645dac0 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -121,8 +121,6 @@ __ref void *alloc_low_pages(unsigned int num)
} else {
pfn = pgt_buf_end;
pgt_buf_end += num;
- printk(KERN_DEBUG "BRK [%#010lx, %#010lx] PGTABLE\n",
- pfn << PAGE_SHIFT, (pgt_buf_end << PAGE_SHIFT) - 1);
}
for (i = 0; i < num; i++) {
@@ -949,7 +947,7 @@ void __init zone_sizes_init(void)
max_zone_pfns[ZONE_HIGHMEM] = max_pfn;
#endif
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate) = {
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 3b289c2f75cd..e08f1007f776 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -54,6 +54,7 @@
#include <asm/init.h>
#include <asm/uv/uv.h>
#include <asm/setup.h>
+#include <asm/ftrace.h>
#include "mm_internal.h"
@@ -217,6 +218,11 @@ void sync_global_pgds(unsigned long start, unsigned long end)
sync_global_pgds_l4(start, end);
}
+void arch_sync_kernel_mappings(unsigned long start, unsigned long end)
+{
+ sync_global_pgds(start, end);
+}
+
/*
* NOTE: This function is marked __ref because it calls __init function
* (alloc_bootmem_pages). It's safe to do it ONLY when after_bootmem == 0.
@@ -1259,6 +1265,18 @@ void __init mem_init(void)
mem_init_print_info(NULL);
}
+#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
+int __init deferred_page_init_max_threads(const struct cpumask *node_cpumask)
+{
+ /*
+ * More CPUs always led to greater speedups on tested systems, up to
+ * all the nodes' CPUs. Use all since the system is otherwise idle
+ * now.
+ */
+ return max_t(int, cpumask_weight(node_cpumask), 1);
+}
+#endif
+
int kernel_set_to_readonly;
void mark_rodata_ro(void)
@@ -1291,6 +1309,8 @@ void mark_rodata_ro(void)
all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
set_memory_nx(text_end, (all_end - text_end) >> PAGE_SHIFT);
+ set_ftrace_ops_ro();
+
#ifdef CONFIG_CPA_DEBUG
printk(KERN_INFO "Testing CPA: undo %lx-%lx\n", start, end);
set_memory_rw(start, (end-start) >> PAGE_SHIFT);
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index 9994353fb75d..22bae5828c3d 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -130,7 +130,7 @@ static void clear_pmd_presence(pmd_t *pmd, bool clear, pmdval_t *old)
pmdval_t v = pmd_val(*pmd);
if (clear) {
*old = v;
- new_pmd = pmd_mknotpresent(*pmd);
+ new_pmd = pmd_mkinvalid(*pmd);
} else {
/* Presume this has been called with clear==true previously */
new_pmd = __pmd(*old);
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index cb91eccc4960..c90c20904a60 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -18,7 +18,9 @@
#include <linux/sched/signal.h>
#include <linux/sched/mm.h>
#include <linux/compat.h>
+#include <linux/elf-randomize.h>
#include <asm/elf.h>
+#include <asm/io.h>
#include "physaddr.h"
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 109325d77b3e..43fd19b3f118 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -372,7 +372,7 @@ static void enter_uniprocessor(void)
int cpu;
int err;
- if (downed_cpus == NULL &&
+ if (!cpumask_available(downed_cpus) &&
!alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) {
pr_notice("Failed to allocate mask\n");
goto out;
@@ -402,7 +402,7 @@ static void leave_uniprocessor(void)
int cpu;
int err;
- if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0)
+ if (!cpumask_available(downed_cpus) || cpumask_weight(downed_cpus) == 0)
return;
pr_notice("Re-enabling CPUs...\n");
for_each_cpu(cpu, downed_cpus) {
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 59ba008504dc..8ee952038c80 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -517,8 +517,10 @@ static void __init numa_clear_kernel_node_hotplug(void)
* reserve specific pages for Sandy Bridge graphics. ]
*/
for_each_memblock(reserved, mb_region) {
- if (mb_region->nid != MAX_NUMNODES)
- node_set(mb_region->nid, reserved_nodemask);
+ int nid = memblock_get_region_node(mb_region);
+
+ if (nid != MAX_NUMNODES)
+ node_set(nid, reserved_nodemask);
}
/*
@@ -735,12 +737,9 @@ void __init x86_numa_init(void)
static void __init init_memory_less_node(int nid)
{
- unsigned long zones_size[MAX_NR_ZONES] = {0};
- unsigned long zholes_size[MAX_NR_ZONES] = {0};
-
/* Allocate and initialize node data. Memory-less node is now online.*/
alloc_node_data(nid);
- free_area_init_node(nid, zones_size, 0, zholes_size);
+ free_area_init_memoryless_node(nid);
/*
* All zonelists will be built later in start_kernel() after per cpu
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index f2bd3d61e16b..104544359d69 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -27,40 +27,6 @@
#include "numa_internal.h"
-#ifdef CONFIG_DISCONTIGMEM
-/*
- * 4) physnode_map - the mapping between a pfn and owning node
- * physnode_map keeps track of the physical memory layout of a generic
- * numa node on a 64Mb break (each element of the array will
- * represent 64Mb of memory and will be marked by the node id. so,
- * if the first gig is on node 0, and the second gig is on node 1
- * physnode_map will contain:
- *
- * physnode_map[0-15] = 0;
- * physnode_map[16-31] = 1;
- * physnode_map[32- ] = -1;
- */
-s8 physnode_map[MAX_SECTIONS] __read_mostly = { [0 ... (MAX_SECTIONS - 1)] = -1};
-EXPORT_SYMBOL(physnode_map);
-
-void memory_present(int nid, unsigned long start, unsigned long end)
-{
- unsigned long pfn;
-
- printk(KERN_INFO "Node: %d, start_pfn: %lx, end_pfn: %lx\n",
- nid, start, end);
- printk(KERN_DEBUG " Setting physnode_map array to node %d for pfns:\n", nid);
- printk(KERN_DEBUG " ");
- start = round_down(start, PAGES_PER_SECTION);
- end = round_up(end, PAGES_PER_SECTION);
- for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) {
- physnode_map[pfn / PAGES_PER_SECTION] = nid;
- printk(KERN_CONT "%lx ", pfn);
- }
- printk(KERN_CONT "\n");
-}
-#endif
-
extern unsigned long highend_pfn, highstart_pfn;
void __init initmem_init(void)
diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 59eca6a94ce7..b8c55a2e402d 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -43,7 +43,8 @@ struct cpa_data {
unsigned long pfn;
unsigned int flags;
unsigned int force_split : 1,
- force_static_prot : 1;
+ force_static_prot : 1,
+ force_flush_all : 1;
struct page **pages;
};
@@ -355,10 +356,10 @@ static void cpa_flush(struct cpa_data *data, int cache)
return;
}
- if (cpa->numpages <= tlb_single_page_flush_ceiling)
- on_each_cpu(__cpa_flush_tlb, cpa, 1);
- else
+ if (cpa->force_flush_all || cpa->numpages > tlb_single_page_flush_ceiling)
flush_tlb_all();
+ else
+ on_each_cpu(__cpa_flush_tlb, cpa, 1);
if (!cache)
return;
@@ -1598,6 +1599,8 @@ static int cpa_process_alias(struct cpa_data *cpa)
alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY);
alias_cpa.curpage = 0;
+ cpa->force_flush_all = 1;
+
ret = __change_page_attr_set_clr(&alias_cpa, 0);
if (ret)
return ret;
@@ -1618,6 +1621,7 @@ static int cpa_process_alias(struct cpa_data *cpa)
alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY);
alias_cpa.curpage = 0;
+ cpa->force_flush_all = 1;
/*
* The high mapping range is imprecise, so ignore the
* return value.
diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c
index 843aa10a4cb6..da0fb17a1a36 100644
--- a/arch/x86/mm/pti.c
+++ b/arch/x86/mm/pti.c
@@ -448,13 +448,7 @@ static void __init pti_clone_user_shared(void)
* the sp1 and sp2 slots.
*
* This is done for all possible CPUs during boot to ensure
- * that it's propagated to all mms. If we were to add one of
- * these mappings during CPU hotplug, we would need to take
- * some measure to make sure that every mm that subsequently
- * ran on that CPU would have the relevant PGD entry in its
- * pagetables. The usual vmalloc_fault() mechanism would not
- * work for page faults taken in entry_SYSCALL_64 before RSP
- * is set up.
+ * that it's propagated to all mms.
*/
unsigned long va = (unsigned long)&per_cpu(cpu_tss_rw, cpu);
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 66f96f21a7b6..f3fe261e5936 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -161,34 +161,6 @@ void switch_mm(struct mm_struct *prev, struct mm_struct *next,
local_irq_restore(flags);
}
-static void sync_current_stack_to_mm(struct mm_struct *mm)
-{
- unsigned long sp = current_stack_pointer;
- pgd_t *pgd = pgd_offset(mm, sp);
-
- if (pgtable_l5_enabled()) {
- if (unlikely(pgd_none(*pgd))) {
- pgd_t *pgd_ref = pgd_offset_k(sp);
-
- set_pgd(pgd, *pgd_ref);
- }
- } else {
- /*
- * "pgd" is faked. The top level entries are "p4d"s, so sync
- * the p4d. This compiles to approximately the same code as
- * the 5-level case.
- */
- p4d_t *p4d = p4d_offset(pgd, sp);
-
- if (unlikely(p4d_none(*p4d))) {
- pgd_t *pgd_ref = pgd_offset_k(sp);
- p4d_t *p4d_ref = p4d_offset(pgd_ref, sp);
-
- set_p4d(p4d, *p4d_ref);
- }
- }
-}
-
static inline unsigned long mm_mangle_tif_spec_ib(struct task_struct *next)
{
unsigned long next_tif = task_thread_info(next)->flags;
@@ -377,15 +349,6 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next,
*/
cond_ibpb(tsk);
- if (IS_ENABLED(CONFIG_VMAP_STACK)) {
- /*
- * If our current stack is in vmalloc space and isn't
- * mapped in the new pgd, we'll double-fault. Forcibly
- * map it.
- */
- sync_current_stack_to_mm(next);
- }
-
/*
* Stop remote flushes for the previous mm.
* Skip kernel threads; we never send init_mm TLB flushing IPIs,
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 5ea7c2cf7ab4..42b6709e6dc7 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -158,6 +158,19 @@ static bool is_ereg(u32 reg)
BIT(BPF_REG_AX));
}
+/*
+ * is_ereg_8l() == true if BPF register 'reg' is mapped to access x86-64
+ * lower 8-bit registers dil,sil,bpl,spl,r8b..r15b, which need extra byte
+ * of encoding. al,cl,dl,bl have simpler encoding.
+ */
+static bool is_ereg_8l(u32 reg)
+{
+ return is_ereg(reg) ||
+ (1 << reg) & (BIT(BPF_REG_1) |
+ BIT(BPF_REG_2) |
+ BIT(BPF_REG_FP));
+}
+
static bool is_axreg(u32 reg)
{
return reg == BPF_REG_0;
@@ -598,9 +611,8 @@ static void emit_stx(u8 **pprog, u32 size, u32 dst_reg, u32 src_reg, int off)
switch (size) {
case BPF_B:
/* Emit 'mov byte ptr [rax + off], al' */
- if (is_ereg(dst_reg) || is_ereg(src_reg) ||
- /* We have to add extra byte for x86 SIL, DIL regs */
- src_reg == BPF_REG_1 || src_reg == BPF_REG_2)
+ if (is_ereg(dst_reg) || is_ereg_8l(src_reg))
+ /* Add extra byte for eregs or SIL,DIL,BPL in src_reg */
EMIT2(add_2mod(0x40, dst_reg, src_reg), 0x88);
else
EMIT1(0x88);
diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
index 4d2a7a764602..96fde03aa987 100644
--- a/arch/x86/net/bpf_jit_comp32.c
+++ b/arch/x86/net/bpf_jit_comp32.c
@@ -1475,8 +1475,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
for (i = 0; i < insn_cnt; i++, insn++) {
const s32 imm32 = insn->imm;
const bool is64 = BPF_CLASS(insn->code) == BPF_ALU64;
- const bool dstk = insn->dst_reg == BPF_REG_AX ? false : true;
- const bool sstk = insn->src_reg == BPF_REG_AX ? false : true;
+ const bool dstk = insn->dst_reg != BPF_REG_AX;
+ const bool sstk = insn->src_reg != BPF_REG_AX;
const u8 code = insn->code;
const u8 *dst = bpf2ia32[insn->dst_reg];
const u8 *src = bpf2ia32[insn->src_reg];
@@ -1847,14 +1847,16 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_B:
case BPF_H:
case BPF_W:
- if (!bpf_prog->aux->verifier_zext)
+ if (bpf_prog->aux->verifier_zext)
break;
if (dstk) {
EMIT3(0xC7, add_1reg(0x40, IA32_EBP),
STACK_VAR(dst_hi));
EMIT(0x0, 4);
} else {
- EMIT3(0xC7, add_1reg(0xC0, dst_hi), 0);
+ /* xor dst_hi,dst_hi */
+ EMIT2(0x33,
+ add_2reg(0xC0, dst_hi, dst_hi));
}
break;
case BPF_DW:
@@ -2013,8 +2015,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JSET | BPF_X:
case BPF_JMP32 | BPF_JSET | BPF_X: {
bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
- u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
- u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 dreg_lo = IA32_EAX;
+ u8 dreg_hi = IA32_EDX;
u8 sreg_lo = sstk ? IA32_ECX : src_lo;
u8 sreg_hi = sstk ? IA32_EBX : src_hi;
@@ -2026,6 +2028,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
add_2reg(0x40, IA32_EBP,
IA32_EDX),
STACK_VAR(dst_hi));
+ } else {
+ /* mov dreg_lo,dst_lo */
+ EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
+ if (is_jmp64)
+ /* mov dreg_hi,dst_hi */
+ EMIT2(0x89,
+ add_2reg(0xC0, dreg_hi, dst_hi));
}
if (sstk) {
@@ -2050,8 +2059,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
case BPF_JMP | BPF_JSET | BPF_K:
case BPF_JMP32 | BPF_JSET | BPF_K: {
bool is_jmp64 = BPF_CLASS(insn->code) == BPF_JMP;
- u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
- u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
+ u8 dreg_lo = IA32_EAX;
+ u8 dreg_hi = IA32_EDX;
u8 sreg_lo = IA32_ECX;
u8 sreg_hi = IA32_EBX;
u32 hi;
@@ -2064,6 +2073,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
add_2reg(0x40, IA32_EBP,
IA32_EDX),
STACK_VAR(dst_hi));
+ } else {
+ /* mov dreg_lo,dst_lo */
+ EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
+ if (is_jmp64)
+ /* mov dreg_hi,dst_hi */
+ EMIT2(0x89,
+ add_2reg(0xC0, dreg_hi, dst_hi));
}
/* mov ecx,imm32 */
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 1aae5302501d..e966115d105c 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -62,12 +62,12 @@ static unsigned long efi_runtime, efi_nr_tables;
unsigned long efi_fw_vendor, efi_config_table;
static const efi_config_table_type_t arch_tables[] __initconst = {
- {EFI_PROPERTIES_TABLE_GUID, "PROP", &prop_phys},
- {UGA_IO_PROTOCOL_GUID, "UGA", &uga_phys},
+ {EFI_PROPERTIES_TABLE_GUID, &prop_phys, "PROP" },
+ {UGA_IO_PROTOCOL_GUID, &uga_phys, "UGA" },
#ifdef CONFIG_X86_UV
- {UV_SYSTEM_TABLE_GUID, "UVsystab", &uv_systab_phys},
+ {UV_SYSTEM_TABLE_GUID, &uv_systab_phys, "UVsystab" },
#endif
- {NULL_GUID, NULL, NULL},
+ {},
};
static const unsigned long * const efi_tables[] = {
diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S
index 15da118f04f0..90380a17ab23 100644
--- a/arch/x86/platform/efi/efi_stub_64.S
+++ b/arch/x86/platform/efi/efi_stub_64.S
@@ -21,7 +21,7 @@ SYM_FUNC_START(__efi_call)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
- CALL_NOSPEC %rdi
+ CALL_NOSPEC rdi
leave
ret
SYM_FUNC_END(__efi_call)
diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c
index c60255da5a6c..4494589a288a 100644
--- a/arch/x86/platform/uv/bios_uv.c
+++ b/arch/x86/platform/uv/bios_uv.c
@@ -45,7 +45,8 @@ static s64 __uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
return ret;
}
-s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5)
+static s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4,
+ u64 a5)
{
s64 ret;
@@ -57,10 +58,9 @@ s64 uv_bios_call(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, u64 a4, u64 a5)
return ret;
}
-EXPORT_SYMBOL_GPL(uv_bios_call);
-s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
- u64 a4, u64 a5)
+static s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
+ u64 a4, u64 a5)
{
unsigned long bios_flags;
s64 ret;
@@ -77,18 +77,13 @@ s64 uv_bios_call_irqsave(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3,
return ret;
}
-
long sn_partition_id;
EXPORT_SYMBOL_GPL(sn_partition_id);
long sn_coherency_id;
-EXPORT_SYMBOL_GPL(sn_coherency_id);
long sn_region_size;
EXPORT_SYMBOL_GPL(sn_region_size);
long system_serial_number;
-EXPORT_SYMBOL_GPL(system_serial_number);
int uv_type;
-EXPORT_SYMBOL_GPL(uv_type);
-
s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
long *region, long *ssn)
@@ -115,7 +110,6 @@ s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
*ssn = v1;
return ret;
}
-EXPORT_SYMBOL_GPL(uv_bios_get_sn_info);
int
uv_bios_mq_watchlist_alloc(unsigned long addr, unsigned int mq_size,
@@ -166,7 +160,6 @@ s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,
(u64)ticks_per_second, 0, 0, 0);
}
-EXPORT_SYMBOL_GPL(uv_bios_freq_base);
/*
* uv_bios_set_legacy_vga_target - Set Legacy VGA I/O Target
@@ -185,7 +178,6 @@ int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus)
return uv_bios_call(UV_BIOS_SET_LEGACY_VGA_TARGET,
(u64)decode, (u64)domain, (u64)bus, 0, 0);
}
-EXPORT_SYMBOL_GPL(uv_bios_set_legacy_vga_target);
int uv_bios_init(void)
{
diff --git a/arch/x86/platform/uv/uv_sysfs.c b/arch/x86/platform/uv/uv_sysfs.c
index 62214731fea5..266773e2fb37 100644
--- a/arch/x86/platform/uv/uv_sysfs.c
+++ b/arch/x86/platform/uv/uv_sysfs.c
@@ -21,7 +21,7 @@ static ssize_t partition_id_show(struct kobject *kobj,
static ssize_t coherence_id_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return snprintf(buf, PAGE_SIZE, "%ld\n", uv_partition_coherence_id());
+ return snprintf(buf, PAGE_SIZE, "%ld\n", sn_coherency_id);
}
static struct kobj_attribute partition_id_attr =
diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
index aaff9ed7ff45..fc3b757afb2c 100644
--- a/arch/x86/power/cpu.c
+++ b/arch/x86/power/cpu.c
@@ -307,7 +307,7 @@ int hibernate_resume_nonboot_cpu_disable(void)
if (ret)
return ret;
smp_ops.play_dead = resume_play_dead;
- ret = disable_nonboot_cpus();
+ ret = freeze_secondary_cpus(0);
smp_ops.play_dead = play_dead;
return ret;
}
diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h
index 2a56cac64687..ff6bba2c8ab6 100644
--- a/arch/x86/um/asm/checksum.h
+++ b/arch/x86/um/asm/checksum.h
@@ -36,26 +36,6 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return csum_partial(dst, len, sum);
}
-/*
- * the same as csum_partial, but copies from src while it
- * checksums, and handles user-space pointer exceptions correctly, when needed.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- */
-
-static __inline__
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *err_ptr)
-{
- if (copy_from_user(dst, src, len)) {
- *err_ptr = -EFAULT;
- return (__force __wsum)-1;
- }
-
- return csum_partial(dst, len, sum);
-}
-
/**
* csum_fold - Fold and invert a 32bit checksum.
* sum: 32bit unfolded sum
diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c
index 1abe455d926a..205a9bc981b0 100644
--- a/arch/x86/xen/efi.c
+++ b/arch/x86/xen/efi.c
@@ -29,7 +29,7 @@ static efi_system_table_t efi_systab_xen __initdata = {
.fw_vendor = EFI_INVALID_TABLE_ADDR, /* Initialized later. */
.fw_revision = 0, /* Initialized later. */
.con_in_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
- .con_in = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
+ .con_in = NULL, /* Not used under Xen. */
.con_out_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
.con_out = NULL, /* Not used under Xen. */
.stderr_handle = EFI_INVALID_TABLE_ADDR, /* Not used under Xen. */
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 8fb8a50a28b4..f2adb63b2d7c 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -93,6 +93,7 @@ asmlinkage __visible void cpu_bringup_and_idle(void)
cpu_bringup();
boot_init_stack_canary();
cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+ prevent_tail_call_optimization();
}
void xen_smp_intr_free_pv(unsigned int cpu)
diff --git a/arch/xtensa/include/asm/checksum.h b/arch/xtensa/include/asm/checksum.h
index 8b687176ad72..d8292cc9ebdf 100644
--- a/arch/xtensa/include/asm/checksum.h
+++ b/arch/xtensa/include/asm/checksum.h
@@ -44,8 +44,6 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst,
/*
* Note: when you get a NULL pointer exception here this means someone
* passed in an incorrect kernel address to one of these functions.
- *
- * If you use these functions directly please don't forget the access_ok().
*/
static inline
__wsum csum_partial_copy_nocheck(const void *src, void *dst,
@@ -54,12 +52,17 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return csum_partial_copy_generic(src, dst, len, sum, NULL, NULL);
}
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
static inline
-__wsum csum_partial_copy_from_user(const void __user *src, void *dst,
+__wsum csum_and_copy_from_user(const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
{
- return csum_partial_copy_generic((__force const void *)src, dst,
+ if (access_ok(dst, len))
+ return csum_partial_copy_generic((__force const void *)src, dst,
len, sum, err_ptr, NULL);
+ if (len)
+ *err_ptr = -EFAULT;
+ return sum;
}
/*
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 47b7702aaa40..e57f0d0a88d8 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -84,7 +84,7 @@ extern long __put_user_bad(void);
#define __put_user_check(x, ptr, size) \
({ \
long __pu_err = -EFAULT; \
- __typeof__(*(ptr)) *__pu_addr = (ptr); \
+ __typeof__(*(ptr)) __user *__pu_addr = (ptr); \
if (access_ok(__pu_addr, size)) \
__put_user_size((x), __pu_addr, (size), __pu_err); \
__pu_err; \
@@ -180,11 +180,11 @@ __asm__ __volatile__( \
#define __get_user_check(x, ptr, size) \
({ \
long __gu_err = -EFAULT; \
- const __typeof__(*(ptr)) *__gu_addr = (ptr); \
+ const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \
if (access_ok(__gu_addr, size)) \
__get_user_size((x), __gu_addr, (size), __gu_err); \
else \
- (x) = 0; \
+ (x) = (__typeof__(*(ptr)))0; \
__gu_err; \
})
@@ -202,13 +202,15 @@ do { \
u64 __x; \
if (unlikely(__copy_from_user(&__x, ptr, 8))) { \
retval = -EFAULT; \
- (x) = 0; \
+ (x) = (__typeof__(*(ptr)))0; \
} else { \
- (x) = *(__force __typeof__((ptr)))&__x; \
+ (x) = *(__force __typeof__(*(ptr)) *)&__x; \
} \
break; \
} \
- default: (x) = 0; __get_user_bad(); \
+ default: \
+ (x) = (__typeof__(*(ptr)))0; \
+ __get_user_bad(); \
} \
} while (0)
@@ -270,15 +272,15 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
*/
static inline unsigned long
-__xtensa_clear_user(void *addr, unsigned long size)
+__xtensa_clear_user(void __user *addr, unsigned long size)
{
- if (!__memset(addr, 0, size))
+ if (!__memset((void __force *)addr, 0, size))
return size;
return 0;
}
static inline unsigned long
-clear_user(void *addr, unsigned long size)
+clear_user(void __user *addr, unsigned long size)
{
if (access_ok(addr, size))
return __xtensa_clear_user(addr, size);
@@ -290,10 +292,10 @@ clear_user(void *addr, unsigned long size)
#ifndef CONFIG_GENERIC_STRNCPY_FROM_USER
-extern long __strncpy_user(char *, const char *, long);
+extern long __strncpy_user(char *dst, const char __user *src, long count);
static inline long
-strncpy_from_user(char *dst, const char *src, long count)
+strncpy_from_user(char *dst, const char __user *src, long count)
{
if (access_ok(src, 1))
return __strncpy_user(dst, src, count);
@@ -306,13 +308,11 @@ long strncpy_from_user(char *dst, const char *src, long count);
/*
* Return the size of a string (including the ending 0!)
*/
-extern long __strnlen_user(const char *, long);
+extern long __strnlen_user(const char __user *str, long len);
-static inline long strnlen_user(const char *str, long len)
+static inline long strnlen_user(const char __user *str, long len)
{
- unsigned long top = __kernel_ok ? ~0UL : TASK_SIZE - 1;
-
- if ((unsigned long)str > top)
+ if (!access_ok(str, 1))
return 0;
return __strnlen_user(str, len);
}
diff --git a/arch/xtensa/include/asm/module.h b/arch/xtensa/include/asm/vermagic.h
index 488b40c6f9b9..6d9c670e4ba9 100644
--- a/arch/xtensa/include/asm/module.h
+++ b/arch/xtensa/include/asm/vermagic.h
@@ -1,8 +1,4 @@
/*
- * include/asm-xtensa/module.h
- *
- * This file contains the module code specific to the Xtensa architecture.
- *
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
@@ -10,11 +6,12 @@
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
-#ifndef _XTENSA_MODULE_H
-#define _XTENSA_MODULE_H
+#ifndef _ASM_VERMAGIC_H
+#define _ASM_VERMAGIC_H
-#define MODULE_ARCH_VERMAGIC "xtensa-" __stringify(XCHAL_CORE_ID) " "
+#include <linux/stringify.h>
+#include <variant/core.h>
-#include <asm-generic/module.h>
+#define MODULE_ARCH_VERMAGIC "xtensa-" __stringify(XCHAL_CORE_ID) " "
-#endif /* _XTENSA_MODULE_H */
+#endif /* _ASM_VERMAGIC_H */
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 06fbb0a171f1..fae33ddcaebb 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -959,14 +959,14 @@ ENDPROC(unrecoverable_exception)
* of the proper size instead.
*
* This algorithm simply backs out the register changes started by the user
- * excpetion handler, makes it appear that we have started a window underflow
+ * exception handler, makes it appear that we have started a window underflow
* by rotating the window back and then setting the old window base (OWB) in
* the 'ps' register with the rolled back window base. The 'movsp' instruction
* will be re-executed and this time since the next window frames is in the
* active AR registers it won't cause an exception.
*
* If the WindowUnderflow code gets a TLB miss the page will get mapped
- * the the partial windeowUnderflow will be handeled in the double exception
+ * the partial WindowUnderflow will be handled in the double exception
* handler.
*
* Entry condition:
diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl
index 85a9ab1bc04d..69d0d73876b3 100644
--- a/arch/xtensa/kernel/syscalls/syscall.tbl
+++ b/arch/xtensa/kernel/syscalls/syscall.tbl
@@ -408,3 +408,4 @@
435 common clone3 sys_clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 19c625e6d81f..a05b306cf371 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -70,13 +70,13 @@ void __init bootmem_init(void)
void __init zones_init(void)
{
/* All pages are DMA-able, so we put them all in the DMA zone. */
- unsigned long zones_size[MAX_NR_ZONES] = {
- [ZONE_NORMAL] = max_low_pfn - ARCH_PFN_OFFSET,
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = {
+ [ZONE_NORMAL] = max_low_pfn,
#ifdef CONFIG_HIGHMEM
- [ZONE_HIGHMEM] = max_pfn - max_low_pfn,
+ [ZONE_HIGHMEM] = max_pfn,
#endif
};
- free_area_init_node(0, zones_size, ARCH_PFN_OFFSET, NULL);
+ free_area_init(max_zone_pfn);
}
#ifdef CONFIG_HIGHMEM
diff --git a/block/Kconfig b/block/Kconfig
index 3bc76bb113a0..9382a4acefc3 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -146,6 +146,7 @@ config BLK_CGROUP_IOLATENCY
config BLK_CGROUP_IOCOST
bool "Enable support for cost model based cgroup IO controller"
depends on BLK_CGROUP=y
+ select BLK_RQ_IO_DATA_LEN
select BLK_RQ_ALLOC_TIME
---help---
Enabling this option enables the .weight interface for cost
@@ -185,6 +186,23 @@ config BLK_SED_OPAL
Enabling this option enables users to setup/unlock/lock
Locking ranges for SED devices using the Opal protocol.
+config BLK_INLINE_ENCRYPTION
+ bool "Enable inline encryption support in block layer"
+ help
+ Build the blk-crypto subsystem. Enabling this lets the
+ block layer handle encryption, so users can take
+ advantage of inline encryption hardware if present.
+
+config BLK_INLINE_ENCRYPTION_FALLBACK
+ bool "Enable crypto API fallback for blk-crypto"
+ depends on BLK_INLINE_ENCRYPTION
+ select CRYPTO
+ select CRYPTO_SKCIPHER
+ help
+ Enabling this lets the block layer handle inline encryption
+ by falling back to the kernel crypto API when inline
+ encryption hardware is not present.
+
menu "Partition Types"
source "block/partitions/Kconfig"
diff --git a/block/Makefile b/block/Makefile
index 206b96e9387f..78719169fb2a 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -36,3 +36,5 @@ obj-$(CONFIG_BLK_DEBUG_FS) += blk-mq-debugfs.o
obj-$(CONFIG_BLK_DEBUG_FS_ZONED)+= blk-mq-debugfs-zoned.o
obj-$(CONFIG_BLK_SED_OPAL) += sed-opal.o
obj-$(CONFIG_BLK_PM) += blk-pm.o
+obj-$(CONFIG_BLK_INLINE_ENCRYPTION) += keyslot-manager.o blk-crypto.o
+obj-$(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) += blk-crypto-fallback.o
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 78ba57efd16b..50c8f034c01c 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -123,6 +123,7 @@
#include <linux/ioprio.h>
#include <linux/sbitmap.h>
#include <linux/delay.h>
+#include <linux/backing-dev.h>
#include "blk.h"
#include "blk-mq.h"
@@ -4976,8 +4977,9 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic)
ioprio_class = IOPRIO_PRIO_CLASS(bic->ioprio);
switch (ioprio_class) {
default:
- dev_err(bfqq->bfqd->queue->backing_dev_info->dev,
- "bfq: bad prio class %d\n", ioprio_class);
+ pr_err("bdi %s: bfq: bad prio class %d\n",
+ bdi_dev_name(bfqq->bfqd->queue->backing_dev_info),
+ ioprio_class);
/* fall through */
case IOPRIO_CLASS_NONE:
/*
@@ -6071,7 +6073,7 @@ static struct bfq_queue *bfq_get_bfqq_handle_split(struct bfq_data *bfqd,
* comments on bfq_init_rq for the reason behind this delayed
* preparation.
*/
-static void bfq_prepare_request(struct request *rq, struct bio *bio)
+static void bfq_prepare_request(struct request *rq)
{
/*
* Regardless of whether we have an icq attached, we have to
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index bf62c25cde8f..3579ac0f6ec1 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -42,6 +42,9 @@ struct bio_integrity_payload *bio_integrity_alloc(struct bio *bio,
struct bio_set *bs = bio->bi_pool;
unsigned inline_vecs;
+ if (WARN_ON_ONCE(bio_has_crypt_ctx(bio)))
+ return ERR_PTR(-EOPNOTSUPP);
+
if (!bs || !mempool_initialized(&bs->bio_integrity_pool)) {
bip = kmalloc(struct_size(bip, bip_inline_vecs, nr_vecs), gfp_mask);
inline_vecs = nr_vecs;
diff --git a/block/bio.c b/block/bio.c
index 21cbaa6a1c20..5235da6434aa 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -18,6 +18,7 @@
#include <linux/blk-cgroup.h>
#include <linux/highmem.h>
#include <linux/sched/sysctl.h>
+#include <linux/blk-crypto.h>
#include <trace/events/block.h>
#include "blk.h"
@@ -237,6 +238,8 @@ void bio_uninit(struct bio *bio)
if (bio_integrity(bio))
bio_integrity_free(bio);
+
+ bio_crypt_free_ctx(bio);
}
EXPORT_SYMBOL(bio_uninit);
@@ -708,6 +711,8 @@ struct bio *bio_clone_fast(struct bio *bio, gfp_t gfp_mask, struct bio_set *bs)
__bio_clone_fast(b, bio);
+ bio_crypt_clone(b, bio, gfp_mask);
+
if (bio_integrity(bio)) {
int ret;
@@ -748,9 +753,14 @@ static inline bool page_is_mergeable(const struct bio_vec *bv,
return true;
}
-static bool bio_try_merge_pc_page(struct request_queue *q, struct bio *bio,
- struct page *page, unsigned len, unsigned offset,
- bool *same_page)
+/*
+ * Try to merge a page into a segment, while obeying the hardware segment
+ * size limit. This is not for normal read/write bios, but for passthrough
+ * or Zone Append operations that we can't split.
+ */
+static bool bio_try_merge_hw_seg(struct request_queue *q, struct bio *bio,
+ struct page *page, unsigned len,
+ unsigned offset, bool *same_page)
{
struct bio_vec *bv = &bio->bi_io_vec[bio->bi_vcnt - 1];
unsigned long mask = queue_segment_boundary(q);
@@ -765,38 +775,32 @@ static bool bio_try_merge_pc_page(struct request_queue *q, struct bio *bio,
}
/**
- * __bio_add_pc_page - attempt to add page to passthrough bio
- * @q: the target queue
- * @bio: destination bio
- * @page: page to add
- * @len: vec entry length
- * @offset: vec entry offset
- * @same_page: return if the merge happen inside the same page
- *
- * Attempt to add a page to the bio_vec maplist. This can fail for a
- * number of reasons, such as the bio being full or target block device
- * limitations. The target block device must allow bio's up to PAGE_SIZE,
- * so it is always possible to add a single page to an empty bio.
+ * bio_add_hw_page - attempt to add a page to a bio with hw constraints
+ * @q: the target queue
+ * @bio: destination bio
+ * @page: page to add
+ * @len: vec entry length
+ * @offset: vec entry offset
+ * @max_sectors: maximum number of sectors that can be added
+ * @same_page: return if the segment has been merged inside the same page
*
- * This should only be used by passthrough bios.
+ * Add a page to a bio while respecting the hardware max_sectors, max_segment
+ * and gap limitations.
*/
-int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
+int bio_add_hw_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset,
- bool *same_page)
+ unsigned int max_sectors, bool *same_page)
{
struct bio_vec *bvec;
- /*
- * cloned bio must not modify vec list
- */
- if (unlikely(bio_flagged(bio, BIO_CLONED)))
+ if (WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED)))
return 0;
- if (((bio->bi_iter.bi_size + len) >> 9) > queue_max_hw_sectors(q))
+ if (((bio->bi_iter.bi_size + len) >> 9) > max_sectors)
return 0;
if (bio->bi_vcnt > 0) {
- if (bio_try_merge_pc_page(q, bio, page, len, offset, same_page))
+ if (bio_try_merge_hw_seg(q, bio, page, len, offset, same_page))
return len;
/*
@@ -823,11 +827,27 @@ int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
return len;
}
+/**
+ * bio_add_pc_page - attempt to add page to passthrough bio
+ * @q: the target queue
+ * @bio: destination bio
+ * @page: page to add
+ * @len: vec entry length
+ * @offset: vec entry offset
+ *
+ * Attempt to add a page to the bio_vec maplist. This can fail for a
+ * number of reasons, such as the bio being full or target block device
+ * limitations. The target block device must allow bio's up to PAGE_SIZE,
+ * so it is always possible to add a single page to an empty bio.
+ *
+ * This should only be used by passthrough bios.
+ */
int bio_add_pc_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset)
{
bool same_page = false;
- return __bio_add_pc_page(q, bio, page, len, offset, &same_page);
+ return bio_add_hw_page(q, bio, page, len, offset,
+ queue_max_hw_sectors(q), &same_page);
}
EXPORT_SYMBOL(bio_add_pc_page);
@@ -936,6 +956,7 @@ void bio_release_pages(struct bio *bio, bool mark_dirty)
put_page(bvec->bv_page);
}
}
+EXPORT_SYMBOL_GPL(bio_release_pages);
static int __bio_iov_bvec_add_pages(struct bio *bio, struct iov_iter *iter)
{
@@ -1010,6 +1031,50 @@ static int __bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
return 0;
}
+static int __bio_iov_append_get_pages(struct bio *bio, struct iov_iter *iter)
+{
+ unsigned short nr_pages = bio->bi_max_vecs - bio->bi_vcnt;
+ unsigned short entries_left = bio->bi_max_vecs - bio->bi_vcnt;
+ struct request_queue *q = bio->bi_disk->queue;
+ unsigned int max_append_sectors = queue_max_zone_append_sectors(q);
+ struct bio_vec *bv = bio->bi_io_vec + bio->bi_vcnt;
+ struct page **pages = (struct page **)bv;
+ ssize_t size, left;
+ unsigned len, i;
+ size_t offset;
+
+ if (WARN_ON_ONCE(!max_append_sectors))
+ return 0;
+
+ /*
+ * Move page array up in the allocated memory for the bio vecs as far as
+ * possible so that we can start filling biovecs from the beginning
+ * without overwriting the temporary page array.
+ */
+ BUILD_BUG_ON(PAGE_PTRS_PER_BVEC < 2);
+ pages += entries_left * (PAGE_PTRS_PER_BVEC - 1);
+
+ size = iov_iter_get_pages(iter, pages, LONG_MAX, nr_pages, &offset);
+ if (unlikely(size <= 0))
+ return size ? size : -EFAULT;
+
+ for (left = size, i = 0; left > 0; left -= len, i++) {
+ struct page *page = pages[i];
+ bool same_page = false;
+
+ len = min_t(size_t, PAGE_SIZE - offset, left);
+ if (bio_add_hw_page(q, bio, page, len, offset,
+ max_append_sectors, &same_page) != len)
+ return -EINVAL;
+ if (same_page)
+ put_page(page);
+ offset = 0;
+ }
+
+ iov_iter_advance(iter, size);
+ return 0;
+}
+
/**
* bio_iov_iter_get_pages - add user or kernel pages to a bio
* @bio: bio to add pages to
@@ -1039,16 +1104,23 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
return -EINVAL;
do {
- if (is_bvec)
- ret = __bio_iov_bvec_add_pages(bio, iter);
- else
- ret = __bio_iov_iter_get_pages(bio, iter);
+ if (bio_op(bio) == REQ_OP_ZONE_APPEND) {
+ if (WARN_ON_ONCE(is_bvec))
+ return -EINVAL;
+ ret = __bio_iov_append_get_pages(bio, iter);
+ } else {
+ if (is_bvec)
+ ret = __bio_iov_bvec_add_pages(bio, iter);
+ else
+ ret = __bio_iov_iter_get_pages(bio, iter);
+ }
} while (!ret && iov_iter_count(iter) && !bio_full(bio, 0));
if (is_bvec)
bio_set_flag(bio, BIO_NO_PAGE_REF);
return bio->bi_vcnt ? 0 : ret;
}
+EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);
static void submit_bio_wait_endio(struct bio *bio)
{
@@ -1105,6 +1177,7 @@ void bio_advance(struct bio *bio, unsigned bytes)
if (bio_integrity(bio))
bio_integrity_advance(bio, bytes);
+ bio_crypt_advance(bio, bytes);
bio_advance_iter(bio, &bio->bi_iter, bytes);
}
EXPORT_SYMBOL(bio_advance);
@@ -1303,55 +1376,6 @@ defer:
schedule_work(&bio_dirty_work);
}
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end)
-{
- unsigned long stamp;
-again:
- stamp = READ_ONCE(part->stamp);
- if (unlikely(stamp != now)) {
- if (likely(cmpxchg(&part->stamp, stamp, now) == stamp)) {
- __part_stat_add(part, io_ticks, end ? now - stamp : 1);
- }
- }
- if (part->partno) {
- part = &part_to_disk(part)->part0;
- goto again;
- }
-}
-
-void generic_start_io_acct(struct request_queue *q, int op,
- unsigned long sectors, struct hd_struct *part)
-{
- const int sgrp = op_stat_group(op);
-
- part_stat_lock();
-
- update_io_ticks(part, jiffies, false);
- part_stat_inc(part, ios[sgrp]);
- part_stat_add(part, sectors[sgrp], sectors);
- part_inc_in_flight(q, part, op_is_write(op));
-
- part_stat_unlock();
-}
-EXPORT_SYMBOL(generic_start_io_acct);
-
-void generic_end_io_acct(struct request_queue *q, int req_op,
- struct hd_struct *part, unsigned long start_time)
-{
- unsigned long now = jiffies;
- unsigned long duration = now - start_time;
- const int sgrp = op_stat_group(req_op);
-
- part_stat_lock();
-
- update_io_ticks(part, now, true);
- part_stat_add(part, nsecs[sgrp], jiffies_to_nsecs(duration));
- part_dec_in_flight(q, part, op_is_write(req_op));
-
- part_stat_unlock();
-}
-EXPORT_SYMBOL(generic_end_io_acct);
-
static inline bool bio_remaining_done(struct bio *bio)
{
/*
@@ -1445,6 +1469,10 @@ struct bio *bio_split(struct bio *bio, int sectors,
BUG_ON(sectors <= 0);
BUG_ON(sectors >= bio_sectors(bio));
+ /* Zone append commands cannot be split */
+ if (WARN_ON_ONCE(bio_op(bio) == REQ_OP_ZONE_APPEND))
+ return NULL;
+
split = bio_clone_fast(bio, gfp, bs);
if (!split)
return NULL;
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index c5dc833212e1..0ecc897b225c 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -496,7 +496,7 @@ const char *blkg_dev_name(struct blkcg_gq *blkg)
{
/* some drivers (floppy) instantiate a queue w/o disk registered */
if (blkg->q->backing_dev_info->dev)
- return dev_name(blkg->q->backing_dev_info->dev);
+ return bdi_dev_name(blkg->q->backing_dev_info);
return NULL;
}
@@ -1530,6 +1530,10 @@ static void blkcg_scale_delay(struct blkcg_gq *blkg, u64 now)
{
u64 old = atomic64_read(&blkg->delay_start);
+ /* negative use_delay means no scaling, see blkcg_set_delay() */
+ if (atomic_read(&blkg->use_delay) < 0)
+ return;
+
/*
* We only want to scale down every second. The idea here is that we
* want to delay people for min(delay_nsec, NSEC_PER_SEC) in a certain
@@ -1717,6 +1721,8 @@ void blkcg_schedule_throttle(struct request_queue *q, bool use_memdelay)
*/
void blkcg_add_delay(struct blkcg_gq *blkg, u64 now, u64 delta)
{
+ if (WARN_ON_ONCE(atomic_read(&blkg->use_delay) < 0))
+ return;
blkcg_scale_delay(blkg, now);
atomic64_add(delta, &blkg->delay_nsec);
}
diff --git a/block/blk-core.c b/block/blk-core.c
index 7e4a1da0715e..03252af8c82c 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -20,6 +20,7 @@
#include <linux/blk-mq.h>
#include <linux/highmem.h>
#include <linux/mm.h>
+#include <linux/pagemap.h>
#include <linux/kernel_stat.h>
#include <linux/string.h>
#include <linux/init.h>
@@ -38,6 +39,8 @@
#include <linux/debugfs.h>
#include <linux/bpf.h>
#include <linux/psi.h>
+#include <linux/sched/sysctl.h>
+#include <linux/blk-crypto.h>
#define CREATE_TRACE_POINTS
#include <trace/events/block.h>
@@ -120,6 +123,7 @@ void blk_rq_init(struct request_queue *q, struct request *rq)
rq->start_time_ns = ktime_get_ns();
rq->part = NULL;
refcount_set(&rq->ref, 1);
+ blk_crypto_rq_set_defaults(rq);
}
EXPORT_SYMBOL(blk_rq_init);
@@ -135,6 +139,7 @@ static const char *const blk_op_name[] = {
REQ_OP_NAME(ZONE_OPEN),
REQ_OP_NAME(ZONE_CLOSE),
REQ_OP_NAME(ZONE_FINISH),
+ REQ_OP_NAME(ZONE_APPEND),
REQ_OP_NAME(WRITE_SAME),
REQ_OP_NAME(WRITE_ZEROES),
REQ_OP_NAME(SCSI_IN),
@@ -240,6 +245,17 @@ static void req_bio_endio(struct request *rq, struct bio *bio,
bio_advance(bio, nbytes);
+ if (req_op(rq) == REQ_OP_ZONE_APPEND && error == BLK_STS_OK) {
+ /*
+ * Partial zone append completions cannot be supported as the
+ * BIO fragments may end up not being written sequentially.
+ */
+ if (bio->bi_iter.bi_size)
+ bio->bi_status = BLK_STS_IOERR;
+ else
+ bio->bi_iter.bi_sector = rq->__sector;
+ }
+
/* don't actually finish bio if it's part of flush sequence */
if (bio->bi_iter.bi_size == 0 && !(rq->rq_flags & RQF_FLUSH_SEQ))
bio_endio(bio);
@@ -440,6 +456,23 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags)
}
}
+static inline int bio_queue_enter(struct bio *bio)
+{
+ struct request_queue *q = bio->bi_disk->queue;
+ bool nowait = bio->bi_opf & REQ_NOWAIT;
+ int ret;
+
+ ret = blk_queue_enter(q, nowait ? BLK_MQ_REQ_NOWAIT : 0);
+ if (unlikely(ret)) {
+ if (nowait && !blk_queue_dying(q))
+ bio_wouldblock_error(bio);
+ else
+ bio_io_error(bio);
+ }
+
+ return ret;
+}
+
void blk_queue_exit(struct request_queue *q)
{
percpu_ref_put(&q->q_usage_counter);
@@ -484,7 +517,7 @@ struct request_queue *__blk_alloc_queue(int node_id)
if (ret)
goto fail_id;
- q->backing_dev_info = bdi_alloc_node(GFP_KERNEL, node_id);
+ q->backing_dev_info = bdi_alloc(node_id);
if (!q->backing_dev_info)
goto fail_split;
@@ -494,7 +527,6 @@ struct request_queue *__blk_alloc_queue(int node_id)
q->backing_dev_info->ra_pages = VM_READAHEAD_PAGES;
q->backing_dev_info->capabilities = BDI_CAP_CGROUP_WRITEBACK;
- q->backing_dev_info->name = "block";
q->node = node_id;
timer_setup(&q->backing_dev_info->laptop_mode_wb_timer,
@@ -605,6 +637,16 @@ void blk_put_request(struct request *req)
}
EXPORT_SYMBOL(blk_put_request);
+static void blk_account_io_merge_bio(struct request *req)
+{
+ if (!blk_do_io_stat(req))
+ return;
+
+ part_stat_lock();
+ part_stat_inc(req->part, merges[op_stat_group(req_op(req))]);
+ part_stat_unlock();
+}
+
bool bio_attempt_back_merge(struct request *req, struct bio *bio,
unsigned int nr_segs)
{
@@ -623,7 +665,9 @@ bool bio_attempt_back_merge(struct request *req, struct bio *bio,
req->biotail = bio;
req->__data_len += bio->bi_iter.bi_size;
- blk_account_io_start(req, false);
+ bio_crypt_free_ctx(bio);
+
+ blk_account_io_merge_bio(req);
return true;
}
@@ -647,7 +691,9 @@ bool bio_attempt_front_merge(struct request *req, struct bio *bio,
req->__sector = bio->bi_iter.bi_sector;
req->__data_len += bio->bi_iter.bi_size;
- blk_account_io_start(req, false);
+ bio_crypt_do_front_merge(req, bio);
+
+ blk_account_io_merge_bio(req);
return true;
}
@@ -669,7 +715,7 @@ bool bio_attempt_discard_merge(struct request_queue *q, struct request *req,
req->__data_len += bio->bi_iter.bi_size;
req->nr_phys_segments = segments + 1;
- blk_account_io_start(req, false);
+ blk_account_io_merge_bio(req);
return true;
no_merge:
req_set_nomerge(q, req);
@@ -871,6 +917,41 @@ out:
return ret;
}
+/*
+ * Check write append to a zoned block device.
+ */
+static inline blk_status_t blk_check_zone_append(struct request_queue *q,
+ struct bio *bio)
+{
+ sector_t pos = bio->bi_iter.bi_sector;
+ int nr_sectors = bio_sectors(bio);
+
+ /* Only applicable to zoned block devices */
+ if (!blk_queue_is_zoned(q))
+ return BLK_STS_NOTSUPP;
+
+ /* The bio sector must point to the start of a sequential zone */
+ if (pos & (blk_queue_zone_sectors(q) - 1) ||
+ !blk_queue_zone_is_seq(q, pos))
+ return BLK_STS_IOERR;
+
+ /*
+ * Not allowed to cross zone boundaries. Otherwise, the BIO will be
+ * split and could result in non-contiguous sectors being written in
+ * different zones.
+ */
+ if (nr_sectors > q->limits.chunk_sectors)
+ return BLK_STS_IOERR;
+
+ /* Make sure the BIO is small enough and will not get split */
+ if (nr_sectors > q->limits.max_zone_append_sectors)
+ return BLK_STS_IOERR;
+
+ bio->bi_opf |= REQ_NOMERGE;
+
+ return BLK_STS_OK;
+}
+
static noinline_for_stack bool
generic_make_request_checks(struct bio *bio)
{
@@ -891,14 +972,11 @@ generic_make_request_checks(struct bio *bio)
}
/*
- * Non-mq queues do not honor REQ_NOWAIT, so complete a bio
- * with BLK_STS_AGAIN status in order to catch -EAGAIN and
- * to give a chance to the caller to repeat request gracefully.
+ * For a REQ_NOWAIT based request, return -EOPNOTSUPP
+ * if queue is not a request based queue.
*/
- if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_mq(q)) {
- status = BLK_STS_AGAIN;
- goto end_io;
- }
+ if ((bio->bi_opf & REQ_NOWAIT) && !queue_is_mq(q))
+ goto not_supported;
if (should_fail_bio(bio))
goto end_io;
@@ -943,6 +1021,11 @@ generic_make_request_checks(struct bio *bio)
if (!q->limits.max_write_same_sectors)
goto not_supported;
break;
+ case REQ_OP_ZONE_APPEND:
+ status = blk_check_zone_append(q, bio);
+ if (status != BLK_STS_OK)
+ goto end_io;
+ break;
case REQ_OP_ZONE_RESET:
case REQ_OP_ZONE_OPEN:
case REQ_OP_ZONE_CLOSE:
@@ -963,12 +1046,13 @@ generic_make_request_checks(struct bio *bio)
}
/*
- * Various block parts want %current->io_context and lazy ioc
- * allocation ends up trading a lot of pain for a small amount of
- * memory. Just allocate it upfront. This may fail and block
- * layer knows how to live with it.
+ * Various block parts want %current->io_context, so allocate it up
+ * front rather than dealing with lots of pain to allocate it only
+ * where needed. This may fail and the block layer knows how to live
+ * with it.
*/
- create_io_context(GFP_ATOMIC, q->node);
+ if (unlikely(!current->io_context))
+ create_task_io_context(current, GFP_ATOMIC, q->node);
if (!blkcg_bio_issue_check(q, bio))
return false;
@@ -990,29 +1074,28 @@ end_io:
return false;
}
+static blk_qc_t do_make_request(struct bio *bio)
+{
+ struct request_queue *q = bio->bi_disk->queue;
+ blk_qc_t ret = BLK_QC_T_NONE;
+
+ if (blk_crypto_bio_prep(&bio)) {
+ if (!q->make_request_fn)
+ return blk_mq_make_request(q, bio);
+ ret = q->make_request_fn(q, bio);
+ }
+ blk_queue_exit(q);
+ return ret;
+}
+
/**
- * generic_make_request - hand a buffer to its device driver for I/O
+ * generic_make_request - re-submit a bio to the block device layer for I/O
* @bio: The bio describing the location in memory and on the device.
*
- * generic_make_request() is used to make I/O requests of block
- * devices. It is passed a &struct bio, which describes the I/O that needs
- * to be done.
- *
- * generic_make_request() does not return any status. The
- * success/failure status of the request, along with notification of
- * completion, is delivered asynchronously through the bio->bi_end_io
- * function described (one day) else where.
- *
- * The caller of generic_make_request must make sure that bi_io_vec
- * are set to describe the memory buffer, and that bi_dev and bi_sector are
- * set to describe the device address, and the
- * bi_end_io and optionally bi_private are set to describe how
- * completion notification should be signaled.
- *
- * generic_make_request and the drivers it calls may use bi_next if this
- * bio happens to be merged with someone else, and may resubmit the bio to
- * a lower device by calling into generic_make_request recursively, which
- * means the bio should NOT be touched after the call to ->make_request_fn.
+ * This is a version of submit_bio() that shall only be used for I/O that is
+ * resubmitted to lower level drivers by stacking block drivers. All file
+ * systems and other upper level users of the block layer should use
+ * submit_bio() instead.
*/
blk_qc_t generic_make_request(struct bio *bio)
{
@@ -1063,18 +1146,14 @@ blk_qc_t generic_make_request(struct bio *bio)
current->bio_list = bio_list_on_stack;
do {
struct request_queue *q = bio->bi_disk->queue;
- blk_mq_req_flags_t flags = bio->bi_opf & REQ_NOWAIT ?
- BLK_MQ_REQ_NOWAIT : 0;
- if (likely(blk_queue_enter(q, flags) == 0)) {
+ if (likely(bio_queue_enter(bio) == 0)) {
struct bio_list lower, same;
/* Create a fresh bio_list for all subordinate requests */
bio_list_on_stack[1] = bio_list_on_stack[0];
bio_list_init(&bio_list_on_stack[0]);
- ret = q->make_request_fn(q, bio);
-
- blk_queue_exit(q);
+ ret = do_make_request(bio);
/* sort new bios into those for a lower level
* and those for the same level
@@ -1090,12 +1169,6 @@ blk_qc_t generic_make_request(struct bio *bio)
bio_list_merge(&bio_list_on_stack[0], &lower);
bio_list_merge(&bio_list_on_stack[0], &same);
bio_list_merge(&bio_list_on_stack[0], &bio_list_on_stack[1]);
- } else {
- if (unlikely(!blk_queue_dying(q) &&
- (bio->bi_opf & REQ_NOWAIT)))
- bio_wouldblock_error(bio);
- else
- bio_io_error(bio);
}
bio = bio_list_pop(&bio_list_on_stack[0]);
} while (bio);
@@ -1112,30 +1185,25 @@ EXPORT_SYMBOL(generic_make_request);
*
* This function behaves like generic_make_request(), but does not protect
* against recursion. Must only be used if the called driver is known
- * to not call generic_make_request (or direct_make_request) again from
- * its make_request function. (Calling direct_make_request again from
- * a workqueue is perfectly fine as that doesn't recurse).
+ * to be blk-mq based.
*/
blk_qc_t direct_make_request(struct bio *bio)
{
struct request_queue *q = bio->bi_disk->queue;
- bool nowait = bio->bi_opf & REQ_NOWAIT;
- blk_qc_t ret;
+ if (WARN_ON_ONCE(q->make_request_fn)) {
+ bio_io_error(bio);
+ return BLK_QC_T_NONE;
+ }
if (!generic_make_request_checks(bio))
return BLK_QC_T_NONE;
-
- if (unlikely(blk_queue_enter(q, nowait ? BLK_MQ_REQ_NOWAIT : 0))) {
- if (nowait && !blk_queue_dying(q))
- bio_wouldblock_error(bio);
- else
- bio_io_error(bio);
+ if (unlikely(bio_queue_enter(bio)))
+ return BLK_QC_T_NONE;
+ if (!blk_crypto_bio_prep(&bio)) {
+ blk_queue_exit(q);
return BLK_QC_T_NONE;
}
-
- ret = q->make_request_fn(q, bio);
- blk_queue_exit(q);
- return ret;
+ return blk_mq_make_request(q, bio);
}
EXPORT_SYMBOL_GPL(direct_make_request);
@@ -1143,17 +1211,17 @@ EXPORT_SYMBOL_GPL(direct_make_request);
* submit_bio - submit a bio to the block device layer for I/O
* @bio: The &struct bio which describes the I/O
*
- * submit_bio() is very similar in purpose to generic_make_request(), and
- * uses that function to do most of the work. Both are fairly rough
- * interfaces; @bio must be presetup and ready for I/O.
+ * submit_bio() is used to submit I/O requests to block devices. It is passed a
+ * fully set up &struct bio that describes the I/O that needs to be done. The
+ * bio will be send to the device described by the bi_disk and bi_partno fields.
*
+ * The success/failure status of the request, along with notification of
+ * completion, is delivered asynchronously through the ->bi_end_io() callback
+ * in @bio. The bio must NOT be touched by thecaller until ->bi_end_io() has
+ * been called.
*/
blk_qc_t submit_bio(struct bio *bio)
{
- bool workingset_read = false;
- unsigned long pflags;
- blk_qc_t ret;
-
if (blkcg_punt_bio_submit(bio))
return BLK_QC_T_NONE;
@@ -1172,8 +1240,6 @@ blk_qc_t submit_bio(struct bio *bio)
if (op_is_write(bio_op(bio))) {
count_vm_events(PGPGOUT, count);
} else {
- if (bio_flagged(bio, BIO_WORKINGSET))
- workingset_read = true;
task_io_account_read(bio->bi_iter.bi_size);
count_vm_events(PGPGIN, count);
}
@@ -1189,20 +1255,24 @@ blk_qc_t submit_bio(struct bio *bio)
}
/*
- * If we're reading data that is part of the userspace
- * workingset, count submission time as memory stall. When the
- * device is congested, or the submitting cgroup IO-throttled,
- * submission can be a significant part of overall IO time.
+ * If we're reading data that is part of the userspace workingset, count
+ * submission time as memory stall. When the device is congested, or
+ * the submitting cgroup IO-throttled, submission can be a significant
+ * part of overall IO time.
*/
- if (workingset_read)
- psi_memstall_enter(&pflags);
-
- ret = generic_make_request(bio);
+ if (unlikely(bio_op(bio) == REQ_OP_READ &&
+ bio_flagged(bio, BIO_WORKINGSET))) {
+ unsigned long pflags;
+ blk_qc_t ret;
- if (workingset_read)
+ psi_memstall_enter(&pflags);
+ ret = generic_make_request(bio);
psi_memstall_leave(&pflags);
- return ret;
+ return ret;
+ }
+
+ return generic_make_request(bio);
}
EXPORT_SYMBOL(submit_bio);
@@ -1263,8 +1333,11 @@ blk_status_t blk_insert_cloned_request(struct request_queue *q, struct request *
should_fail_request(&rq->rq_disk->part0, blk_rq_bytes(rq)))
return BLK_STS_IOERR;
+ if (blk_crypto_insert_cloned_request(rq))
+ return BLK_STS_IOERR;
+
if (blk_queue_io_stat(q))
- blk_account_io_start(rq, true);
+ blk_account_io_start(rq);
/*
* Since we have a scheduler attached on the top device,
@@ -1316,7 +1389,22 @@ unsigned int blk_rq_err_bytes(const struct request *rq)
}
EXPORT_SYMBOL_GPL(blk_rq_err_bytes);
-void blk_account_io_completion(struct request *req, unsigned int bytes)
+static void update_io_ticks(struct hd_struct *part, unsigned long now, bool end)
+{
+ unsigned long stamp;
+again:
+ stamp = READ_ONCE(part->stamp);
+ if (unlikely(stamp != now)) {
+ if (likely(cmpxchg(&part->stamp, stamp, now) == stamp))
+ __part_stat_add(part, io_ticks, end ? now - stamp : 1);
+ }
+ if (part->partno) {
+ part = &part_to_disk(part)->part0;
+ goto again;
+ }
+}
+
+static void blk_account_io_completion(struct request *req, unsigned int bytes)
{
if (req->part && blk_do_io_stat(req)) {
const int sgrp = op_stat_group(req_op(req));
@@ -1347,48 +1435,57 @@ void blk_account_io_done(struct request *req, u64 now)
update_io_ticks(part, jiffies, true);
part_stat_inc(part, ios[sgrp]);
part_stat_add(part, nsecs[sgrp], now - req->start_time_ns);
- part_dec_in_flight(req->q, part, rq_data_dir(req));
+ part_stat_unlock();
hd_struct_put(part);
- part_stat_unlock();
}
}
-void blk_account_io_start(struct request *rq, bool new_io)
+void blk_account_io_start(struct request *rq)
{
- struct hd_struct *part;
- int rw = rq_data_dir(rq);
-
if (!blk_do_io_stat(rq))
return;
+ rq->part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq));
+
part_stat_lock();
+ update_io_ticks(rq->part, jiffies, false);
+ part_stat_unlock();
+}
- if (!new_io) {
- part = rq->part;
- part_stat_inc(part, merges[rw]);
- } else {
- part = disk_map_sector_rcu(rq->rq_disk, blk_rq_pos(rq));
- if (!hd_struct_try_get(part)) {
- /*
- * The partition is already being removed,
- * the request will be accounted on the disk only
- *
- * We take a reference on disk->part0 although that
- * partition will never be deleted, so we can treat
- * it as any other partition.
- */
- part = &rq->rq_disk->part0;
- hd_struct_get(part);
- }
- part_inc_in_flight(rq->q, part, rw);
- rq->part = part;
- }
+unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
+ unsigned int op)
+{
+ struct hd_struct *part = &disk->part0;
+ const int sgrp = op_stat_group(op);
+ unsigned long now = READ_ONCE(jiffies);
+
+ part_stat_lock();
+ update_io_ticks(part, now, false);
+ part_stat_inc(part, ios[sgrp]);
+ part_stat_add(part, sectors[sgrp], sectors);
+ part_stat_local_inc(part, in_flight[op_is_write(op)]);
+ part_stat_unlock();
+
+ return now;
+}
+EXPORT_SYMBOL(disk_start_io_acct);
- update_io_ticks(part, jiffies, false);
+void disk_end_io_acct(struct gendisk *disk, unsigned int op,
+ unsigned long start_time)
+{
+ struct hd_struct *part = &disk->part0;
+ const int sgrp = op_stat_group(op);
+ unsigned long now = READ_ONCE(jiffies);
+ unsigned long duration = now - start_time;
+ part_stat_lock();
+ update_io_ticks(part, now, true);
+ part_stat_add(part, nsecs[sgrp], jiffies_to_nsecs(duration));
+ part_stat_local_dec(part, in_flight[op_is_write(op)]);
part_stat_unlock();
}
+EXPORT_SYMBOL(disk_end_io_acct);
/*
* Steal bios from a request and add them to a bio list.
@@ -1638,7 +1735,9 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
}
rq->nr_phys_segments = rq_src->nr_phys_segments;
rq->ioprio = rq_src->ioprio;
- rq->extra_len = rq_src->extra_len;
+
+ if (rq->bio)
+ blk_crypto_rq_bio_prep(rq, rq->bio, gfp_mask);
return 0;
@@ -1780,6 +1879,18 @@ void blk_finish_plug(struct blk_plug *plug)
}
EXPORT_SYMBOL(blk_finish_plug);
+void blk_io_schedule(void)
+{
+ /* Prevent hang_check timer from firing at us during very long I/O */
+ unsigned long timeout = sysctl_hung_task_timeout_secs * HZ / 2;
+
+ if (timeout)
+ io_schedule_timeout(timeout);
+ else
+ io_schedule();
+}
+EXPORT_SYMBOL_GPL(blk_io_schedule);
+
int __init blk_dev_init(void)
{
BUILD_BUG_ON(REQ_OP_LAST >= (1 << REQ_OP_BITS));
diff --git a/block/blk-crypto-fallback.c b/block/blk-crypto-fallback.c
new file mode 100644
index 000000000000..6e49688a2d80
--- /dev/null
+++ b/block/blk-crypto-fallback.c
@@ -0,0 +1,657 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+
+/*
+ * Refer to Documentation/block/inline-encryption.rst for detailed explanation.
+ */
+
+#define pr_fmt(fmt) "blk-crypto-fallback: " fmt
+
+#include <crypto/skcipher.h>
+#include <linux/blk-cgroup.h>
+#include <linux/blk-crypto.h>
+#include <linux/blkdev.h>
+#include <linux/crypto.h>
+#include <linux/keyslot-manager.h>
+#include <linux/mempool.h>
+#include <linux/module.h>
+#include <linux/random.h>
+
+#include "blk-crypto-internal.h"
+
+static unsigned int num_prealloc_bounce_pg = 32;
+module_param(num_prealloc_bounce_pg, uint, 0);
+MODULE_PARM_DESC(num_prealloc_bounce_pg,
+ "Number of preallocated bounce pages for the blk-crypto crypto API fallback");
+
+static unsigned int blk_crypto_num_keyslots = 100;
+module_param_named(num_keyslots, blk_crypto_num_keyslots, uint, 0);
+MODULE_PARM_DESC(num_keyslots,
+ "Number of keyslots for the blk-crypto crypto API fallback");
+
+static unsigned int num_prealloc_fallback_crypt_ctxs = 128;
+module_param(num_prealloc_fallback_crypt_ctxs, uint, 0);
+MODULE_PARM_DESC(num_prealloc_crypt_fallback_ctxs,
+ "Number of preallocated bio fallback crypto contexts for blk-crypto to use during crypto API fallback");
+
+struct bio_fallback_crypt_ctx {
+ struct bio_crypt_ctx crypt_ctx;
+ /*
+ * Copy of the bvec_iter when this bio was submitted.
+ * We only want to en/decrypt the part of the bio as described by the
+ * bvec_iter upon submission because bio might be split before being
+ * resubmitted
+ */
+ struct bvec_iter crypt_iter;
+ union {
+ struct {
+ struct work_struct work;
+ struct bio *bio;
+ };
+ struct {
+ void *bi_private_orig;
+ bio_end_io_t *bi_end_io_orig;
+ };
+ };
+};
+
+static struct kmem_cache *bio_fallback_crypt_ctx_cache;
+static mempool_t *bio_fallback_crypt_ctx_pool;
+
+/*
+ * Allocating a crypto tfm during I/O can deadlock, so we have to preallocate
+ * all of a mode's tfms when that mode starts being used. Since each mode may
+ * need all the keyslots at some point, each mode needs its own tfm for each
+ * keyslot; thus, a keyslot may contain tfms for multiple modes. However, to
+ * match the behavior of real inline encryption hardware (which only supports a
+ * single encryption context per keyslot), we only allow one tfm per keyslot to
+ * be used at a time - the rest of the unused tfms have their keys cleared.
+ */
+static DEFINE_MUTEX(tfms_init_lock);
+static bool tfms_inited[BLK_ENCRYPTION_MODE_MAX];
+
+static struct blk_crypto_keyslot {
+ enum blk_crypto_mode_num crypto_mode;
+ struct crypto_skcipher *tfms[BLK_ENCRYPTION_MODE_MAX];
+} *blk_crypto_keyslots;
+
+static struct blk_keyslot_manager blk_crypto_ksm;
+static struct workqueue_struct *blk_crypto_wq;
+static mempool_t *blk_crypto_bounce_page_pool;
+
+/*
+ * This is the key we set when evicting a keyslot. This *should* be the all 0's
+ * key, but AES-XTS rejects that key, so we use some random bytes instead.
+ */
+static u8 blank_key[BLK_CRYPTO_MAX_KEY_SIZE];
+
+static void blk_crypto_evict_keyslot(unsigned int slot)
+{
+ struct blk_crypto_keyslot *slotp = &blk_crypto_keyslots[slot];
+ enum blk_crypto_mode_num crypto_mode = slotp->crypto_mode;
+ int err;
+
+ WARN_ON(slotp->crypto_mode == BLK_ENCRYPTION_MODE_INVALID);
+
+ /* Clear the key in the skcipher */
+ err = crypto_skcipher_setkey(slotp->tfms[crypto_mode], blank_key,
+ blk_crypto_modes[crypto_mode].keysize);
+ WARN_ON(err);
+ slotp->crypto_mode = BLK_ENCRYPTION_MODE_INVALID;
+}
+
+static int blk_crypto_keyslot_program(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot)
+{
+ struct blk_crypto_keyslot *slotp = &blk_crypto_keyslots[slot];
+ const enum blk_crypto_mode_num crypto_mode =
+ key->crypto_cfg.crypto_mode;
+ int err;
+
+ if (crypto_mode != slotp->crypto_mode &&
+ slotp->crypto_mode != BLK_ENCRYPTION_MODE_INVALID)
+ blk_crypto_evict_keyslot(slot);
+
+ slotp->crypto_mode = crypto_mode;
+ err = crypto_skcipher_setkey(slotp->tfms[crypto_mode], key->raw,
+ key->size);
+ if (err) {
+ blk_crypto_evict_keyslot(slot);
+ return err;
+ }
+ return 0;
+}
+
+static int blk_crypto_keyslot_evict(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot)
+{
+ blk_crypto_evict_keyslot(slot);
+ return 0;
+}
+
+/*
+ * The crypto API fallback KSM ops - only used for a bio when it specifies a
+ * blk_crypto_key that was not supported by the device's inline encryption
+ * hardware.
+ */
+static const struct blk_ksm_ll_ops blk_crypto_ksm_ll_ops = {
+ .keyslot_program = blk_crypto_keyslot_program,
+ .keyslot_evict = blk_crypto_keyslot_evict,
+};
+
+static void blk_crypto_fallback_encrypt_endio(struct bio *enc_bio)
+{
+ struct bio *src_bio = enc_bio->bi_private;
+ int i;
+
+ for (i = 0; i < enc_bio->bi_vcnt; i++)
+ mempool_free(enc_bio->bi_io_vec[i].bv_page,
+ blk_crypto_bounce_page_pool);
+
+ src_bio->bi_status = enc_bio->bi_status;
+
+ bio_put(enc_bio);
+ bio_endio(src_bio);
+}
+
+static struct bio *blk_crypto_clone_bio(struct bio *bio_src)
+{
+ struct bvec_iter iter;
+ struct bio_vec bv;
+ struct bio *bio;
+
+ bio = bio_alloc_bioset(GFP_NOIO, bio_segments(bio_src), NULL);
+ if (!bio)
+ return NULL;
+ bio->bi_disk = bio_src->bi_disk;
+ bio->bi_opf = bio_src->bi_opf;
+ bio->bi_ioprio = bio_src->bi_ioprio;
+ bio->bi_write_hint = bio_src->bi_write_hint;
+ bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector;
+ bio->bi_iter.bi_size = bio_src->bi_iter.bi_size;
+
+ bio_for_each_segment(bv, bio_src, iter)
+ bio->bi_io_vec[bio->bi_vcnt++] = bv;
+
+ bio_clone_blkg_association(bio, bio_src);
+ blkcg_bio_issue_init(bio);
+
+ return bio;
+}
+
+static bool blk_crypto_alloc_cipher_req(struct blk_ksm_keyslot *slot,
+ struct skcipher_request **ciph_req_ret,
+ struct crypto_wait *wait)
+{
+ struct skcipher_request *ciph_req;
+ const struct blk_crypto_keyslot *slotp;
+ int keyslot_idx = blk_ksm_get_slot_idx(slot);
+
+ slotp = &blk_crypto_keyslots[keyslot_idx];
+ ciph_req = skcipher_request_alloc(slotp->tfms[slotp->crypto_mode],
+ GFP_NOIO);
+ if (!ciph_req)
+ return false;
+
+ skcipher_request_set_callback(ciph_req,
+ CRYPTO_TFM_REQ_MAY_BACKLOG |
+ CRYPTO_TFM_REQ_MAY_SLEEP,
+ crypto_req_done, wait);
+ *ciph_req_ret = ciph_req;
+
+ return true;
+}
+
+static bool blk_crypto_split_bio_if_needed(struct bio **bio_ptr)
+{
+ struct bio *bio = *bio_ptr;
+ unsigned int i = 0;
+ unsigned int num_sectors = 0;
+ struct bio_vec bv;
+ struct bvec_iter iter;
+
+ bio_for_each_segment(bv, bio, iter) {
+ num_sectors += bv.bv_len >> SECTOR_SHIFT;
+ if (++i == BIO_MAX_PAGES)
+ break;
+ }
+ if (num_sectors < bio_sectors(bio)) {
+ struct bio *split_bio;
+
+ split_bio = bio_split(bio, num_sectors, GFP_NOIO, NULL);
+ if (!split_bio) {
+ bio->bi_status = BLK_STS_RESOURCE;
+ return false;
+ }
+ bio_chain(split_bio, bio);
+ generic_make_request(bio);
+ *bio_ptr = split_bio;
+ }
+
+ return true;
+}
+
+union blk_crypto_iv {
+ __le64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
+ u8 bytes[BLK_CRYPTO_MAX_IV_SIZE];
+};
+
+static void blk_crypto_dun_to_iv(const u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE],
+ union blk_crypto_iv *iv)
+{
+ int i;
+
+ for (i = 0; i < BLK_CRYPTO_DUN_ARRAY_SIZE; i++)
+ iv->dun[i] = cpu_to_le64(dun[i]);
+}
+
+/*
+ * The crypto API fallback's encryption routine.
+ * Allocate a bounce bio for encryption, encrypt the input bio using crypto API,
+ * and replace *bio_ptr with the bounce bio. May split input bio if it's too
+ * large. Returns true on success. Returns false and sets bio->bi_status on
+ * error.
+ */
+static bool blk_crypto_fallback_encrypt_bio(struct bio **bio_ptr)
+{
+ struct bio *src_bio, *enc_bio;
+ struct bio_crypt_ctx *bc;
+ struct blk_ksm_keyslot *slot;
+ int data_unit_size;
+ struct skcipher_request *ciph_req = NULL;
+ DECLARE_CRYPTO_WAIT(wait);
+ u64 curr_dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
+ struct scatterlist src, dst;
+ union blk_crypto_iv iv;
+ unsigned int i, j;
+ bool ret = false;
+ blk_status_t blk_st;
+
+ /* Split the bio if it's too big for single page bvec */
+ if (!blk_crypto_split_bio_if_needed(bio_ptr))
+ return false;
+
+ src_bio = *bio_ptr;
+ bc = src_bio->bi_crypt_context;
+ data_unit_size = bc->bc_key->crypto_cfg.data_unit_size;
+
+ /* Allocate bounce bio for encryption */
+ enc_bio = blk_crypto_clone_bio(src_bio);
+ if (!enc_bio) {
+ src_bio->bi_status = BLK_STS_RESOURCE;
+ return false;
+ }
+
+ /*
+ * Use the crypto API fallback keyslot manager to get a crypto_skcipher
+ * for the algorithm and key specified for this bio.
+ */
+ blk_st = blk_ksm_get_slot_for_key(&blk_crypto_ksm, bc->bc_key, &slot);
+ if (blk_st != BLK_STS_OK) {
+ src_bio->bi_status = blk_st;
+ goto out_put_enc_bio;
+ }
+
+ /* and then allocate an skcipher_request for it */
+ if (!blk_crypto_alloc_cipher_req(slot, &ciph_req, &wait)) {
+ src_bio->bi_status = BLK_STS_RESOURCE;
+ goto out_release_keyslot;
+ }
+
+ memcpy(curr_dun, bc->bc_dun, sizeof(curr_dun));
+ sg_init_table(&src, 1);
+ sg_init_table(&dst, 1);
+
+ skcipher_request_set_crypt(ciph_req, &src, &dst, data_unit_size,
+ iv.bytes);
+
+ /* Encrypt each page in the bounce bio */
+ for (i = 0; i < enc_bio->bi_vcnt; i++) {
+ struct bio_vec *enc_bvec = &enc_bio->bi_io_vec[i];
+ struct page *plaintext_page = enc_bvec->bv_page;
+ struct page *ciphertext_page =
+ mempool_alloc(blk_crypto_bounce_page_pool, GFP_NOIO);
+
+ enc_bvec->bv_page = ciphertext_page;
+
+ if (!ciphertext_page) {
+ src_bio->bi_status = BLK_STS_RESOURCE;
+ goto out_free_bounce_pages;
+ }
+
+ sg_set_page(&src, plaintext_page, data_unit_size,
+ enc_bvec->bv_offset);
+ sg_set_page(&dst, ciphertext_page, data_unit_size,
+ enc_bvec->bv_offset);
+
+ /* Encrypt each data unit in this page */
+ for (j = 0; j < enc_bvec->bv_len; j += data_unit_size) {
+ blk_crypto_dun_to_iv(curr_dun, &iv);
+ if (crypto_wait_req(crypto_skcipher_encrypt(ciph_req),
+ &wait)) {
+ i++;
+ src_bio->bi_status = BLK_STS_IOERR;
+ goto out_free_bounce_pages;
+ }
+ bio_crypt_dun_increment(curr_dun, 1);
+ src.offset += data_unit_size;
+ dst.offset += data_unit_size;
+ }
+ }
+
+ enc_bio->bi_private = src_bio;
+ enc_bio->bi_end_io = blk_crypto_fallback_encrypt_endio;
+ *bio_ptr = enc_bio;
+ ret = true;
+
+ enc_bio = NULL;
+ goto out_free_ciph_req;
+
+out_free_bounce_pages:
+ while (i > 0)
+ mempool_free(enc_bio->bi_io_vec[--i].bv_page,
+ blk_crypto_bounce_page_pool);
+out_free_ciph_req:
+ skcipher_request_free(ciph_req);
+out_release_keyslot:
+ blk_ksm_put_slot(slot);
+out_put_enc_bio:
+ if (enc_bio)
+ bio_put(enc_bio);
+
+ return ret;
+}
+
+/*
+ * The crypto API fallback's main decryption routine.
+ * Decrypts input bio in place, and calls bio_endio on the bio.
+ */
+static void blk_crypto_fallback_decrypt_bio(struct work_struct *work)
+{
+ struct bio_fallback_crypt_ctx *f_ctx =
+ container_of(work, struct bio_fallback_crypt_ctx, work);
+ struct bio *bio = f_ctx->bio;
+ struct bio_crypt_ctx *bc = &f_ctx->crypt_ctx;
+ struct blk_ksm_keyslot *slot;
+ struct skcipher_request *ciph_req = NULL;
+ DECLARE_CRYPTO_WAIT(wait);
+ u64 curr_dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
+ union blk_crypto_iv iv;
+ struct scatterlist sg;
+ struct bio_vec bv;
+ struct bvec_iter iter;
+ const int data_unit_size = bc->bc_key->crypto_cfg.data_unit_size;
+ unsigned int i;
+ blk_status_t blk_st;
+
+ /*
+ * Use the crypto API fallback keyslot manager to get a crypto_skcipher
+ * for the algorithm and key specified for this bio.
+ */
+ blk_st = blk_ksm_get_slot_for_key(&blk_crypto_ksm, bc->bc_key, &slot);
+ if (blk_st != BLK_STS_OK) {
+ bio->bi_status = blk_st;
+ goto out_no_keyslot;
+ }
+
+ /* and then allocate an skcipher_request for it */
+ if (!blk_crypto_alloc_cipher_req(slot, &ciph_req, &wait)) {
+ bio->bi_status = BLK_STS_RESOURCE;
+ goto out;
+ }
+
+ memcpy(curr_dun, bc->bc_dun, sizeof(curr_dun));
+ sg_init_table(&sg, 1);
+ skcipher_request_set_crypt(ciph_req, &sg, &sg, data_unit_size,
+ iv.bytes);
+
+ /* Decrypt each segment in the bio */
+ __bio_for_each_segment(bv, bio, iter, f_ctx->crypt_iter) {
+ struct page *page = bv.bv_page;
+
+ sg_set_page(&sg, page, data_unit_size, bv.bv_offset);
+
+ /* Decrypt each data unit in the segment */
+ for (i = 0; i < bv.bv_len; i += data_unit_size) {
+ blk_crypto_dun_to_iv(curr_dun, &iv);
+ if (crypto_wait_req(crypto_skcipher_decrypt(ciph_req),
+ &wait)) {
+ bio->bi_status = BLK_STS_IOERR;
+ goto out;
+ }
+ bio_crypt_dun_increment(curr_dun, 1);
+ sg.offset += data_unit_size;
+ }
+ }
+
+out:
+ skcipher_request_free(ciph_req);
+ blk_ksm_put_slot(slot);
+out_no_keyslot:
+ mempool_free(f_ctx, bio_fallback_crypt_ctx_pool);
+ bio_endio(bio);
+}
+
+/**
+ * blk_crypto_fallback_decrypt_endio - queue bio for fallback decryption
+ *
+ * @bio: the bio to queue
+ *
+ * Restore bi_private and bi_end_io, and queue the bio for decryption into a
+ * workqueue, since this function will be called from an atomic context.
+ */
+static void blk_crypto_fallback_decrypt_endio(struct bio *bio)
+{
+ struct bio_fallback_crypt_ctx *f_ctx = bio->bi_private;
+
+ bio->bi_private = f_ctx->bi_private_orig;
+ bio->bi_end_io = f_ctx->bi_end_io_orig;
+
+ /* If there was an IO error, don't queue for decrypt. */
+ if (bio->bi_status) {
+ mempool_free(f_ctx, bio_fallback_crypt_ctx_pool);
+ bio_endio(bio);
+ return;
+ }
+
+ INIT_WORK(&f_ctx->work, blk_crypto_fallback_decrypt_bio);
+ f_ctx->bio = bio;
+ queue_work(blk_crypto_wq, &f_ctx->work);
+}
+
+/**
+ * blk_crypto_fallback_bio_prep - Prepare a bio to use fallback en/decryption
+ *
+ * @bio_ptr: pointer to the bio to prepare
+ *
+ * If bio is doing a WRITE operation, this splits the bio into two parts if it's
+ * too big (see blk_crypto_split_bio_if_needed). It then allocates a bounce bio
+ * for the first part, encrypts it, and update bio_ptr to point to the bounce
+ * bio.
+ *
+ * For a READ operation, we mark the bio for decryption by using bi_private and
+ * bi_end_io.
+ *
+ * In either case, this function will make the bio look like a regular bio (i.e.
+ * as if no encryption context was ever specified) for the purposes of the rest
+ * of the stack except for blk-integrity (blk-integrity and blk-crypto are not
+ * currently supported together).
+ *
+ * Return: true on success. Sets bio->bi_status and returns false on error.
+ */
+bool blk_crypto_fallback_bio_prep(struct bio **bio_ptr)
+{
+ struct bio *bio = *bio_ptr;
+ struct bio_crypt_ctx *bc = bio->bi_crypt_context;
+ struct bio_fallback_crypt_ctx *f_ctx;
+
+ if (WARN_ON_ONCE(!tfms_inited[bc->bc_key->crypto_cfg.crypto_mode])) {
+ /* User didn't call blk_crypto_start_using_key() first */
+ bio->bi_status = BLK_STS_IOERR;
+ return false;
+ }
+
+ if (!blk_ksm_crypto_cfg_supported(&blk_crypto_ksm,
+ &bc->bc_key->crypto_cfg)) {
+ bio->bi_status = BLK_STS_NOTSUPP;
+ return false;
+ }
+
+ if (bio_data_dir(bio) == WRITE)
+ return blk_crypto_fallback_encrypt_bio(bio_ptr);
+
+ /*
+ * bio READ case: Set up a f_ctx in the bio's bi_private and set the
+ * bi_end_io appropriately to trigger decryption when the bio is ended.
+ */
+ f_ctx = mempool_alloc(bio_fallback_crypt_ctx_pool, GFP_NOIO);
+ f_ctx->crypt_ctx = *bc;
+ f_ctx->crypt_iter = bio->bi_iter;
+ f_ctx->bi_private_orig = bio->bi_private;
+ f_ctx->bi_end_io_orig = bio->bi_end_io;
+ bio->bi_private = (void *)f_ctx;
+ bio->bi_end_io = blk_crypto_fallback_decrypt_endio;
+ bio_crypt_free_ctx(bio);
+
+ return true;
+}
+
+int blk_crypto_fallback_evict_key(const struct blk_crypto_key *key)
+{
+ return blk_ksm_evict_key(&blk_crypto_ksm, key);
+}
+
+static bool blk_crypto_fallback_inited;
+static int blk_crypto_fallback_init(void)
+{
+ int i;
+ int err;
+
+ if (blk_crypto_fallback_inited)
+ return 0;
+
+ prandom_bytes(blank_key, BLK_CRYPTO_MAX_KEY_SIZE);
+
+ err = blk_ksm_init(&blk_crypto_ksm, blk_crypto_num_keyslots);
+ if (err)
+ goto out;
+ err = -ENOMEM;
+
+ blk_crypto_ksm.ksm_ll_ops = blk_crypto_ksm_ll_ops;
+ blk_crypto_ksm.max_dun_bytes_supported = BLK_CRYPTO_MAX_IV_SIZE;
+
+ /* All blk-crypto modes have a crypto API fallback. */
+ for (i = 0; i < BLK_ENCRYPTION_MODE_MAX; i++)
+ blk_crypto_ksm.crypto_modes_supported[i] = 0xFFFFFFFF;
+ blk_crypto_ksm.crypto_modes_supported[BLK_ENCRYPTION_MODE_INVALID] = 0;
+
+ blk_crypto_wq = alloc_workqueue("blk_crypto_wq",
+ WQ_UNBOUND | WQ_HIGHPRI |
+ WQ_MEM_RECLAIM, num_online_cpus());
+ if (!blk_crypto_wq)
+ goto fail_free_ksm;
+
+ blk_crypto_keyslots = kcalloc(blk_crypto_num_keyslots,
+ sizeof(blk_crypto_keyslots[0]),
+ GFP_KERNEL);
+ if (!blk_crypto_keyslots)
+ goto fail_free_wq;
+
+ blk_crypto_bounce_page_pool =
+ mempool_create_page_pool(num_prealloc_bounce_pg, 0);
+ if (!blk_crypto_bounce_page_pool)
+ goto fail_free_keyslots;
+
+ bio_fallback_crypt_ctx_cache = KMEM_CACHE(bio_fallback_crypt_ctx, 0);
+ if (!bio_fallback_crypt_ctx_cache)
+ goto fail_free_bounce_page_pool;
+
+ bio_fallback_crypt_ctx_pool =
+ mempool_create_slab_pool(num_prealloc_fallback_crypt_ctxs,
+ bio_fallback_crypt_ctx_cache);
+ if (!bio_fallback_crypt_ctx_pool)
+ goto fail_free_crypt_ctx_cache;
+
+ blk_crypto_fallback_inited = true;
+
+ return 0;
+fail_free_crypt_ctx_cache:
+ kmem_cache_destroy(bio_fallback_crypt_ctx_cache);
+fail_free_bounce_page_pool:
+ mempool_destroy(blk_crypto_bounce_page_pool);
+fail_free_keyslots:
+ kfree(blk_crypto_keyslots);
+fail_free_wq:
+ destroy_workqueue(blk_crypto_wq);
+fail_free_ksm:
+ blk_ksm_destroy(&blk_crypto_ksm);
+out:
+ return err;
+}
+
+/*
+ * Prepare blk-crypto-fallback for the specified crypto mode.
+ * Returns -ENOPKG if the needed crypto API support is missing.
+ */
+int blk_crypto_fallback_start_using_mode(enum blk_crypto_mode_num mode_num)
+{
+ const char *cipher_str = blk_crypto_modes[mode_num].cipher_str;
+ struct blk_crypto_keyslot *slotp;
+ unsigned int i;
+ int err = 0;
+
+ /*
+ * Fast path
+ * Ensure that updates to blk_crypto_keyslots[i].tfms[mode_num]
+ * for each i are visible before we try to access them.
+ */
+ if (likely(smp_load_acquire(&tfms_inited[mode_num])))
+ return 0;
+
+ mutex_lock(&tfms_init_lock);
+ if (tfms_inited[mode_num])
+ goto out;
+
+ err = blk_crypto_fallback_init();
+ if (err)
+ goto out;
+
+ for (i = 0; i < blk_crypto_num_keyslots; i++) {
+ slotp = &blk_crypto_keyslots[i];
+ slotp->tfms[mode_num] = crypto_alloc_skcipher(cipher_str, 0, 0);
+ if (IS_ERR(slotp->tfms[mode_num])) {
+ err = PTR_ERR(slotp->tfms[mode_num]);
+ if (err == -ENOENT) {
+ pr_warn_once("Missing crypto API support for \"%s\"\n",
+ cipher_str);
+ err = -ENOPKG;
+ }
+ slotp->tfms[mode_num] = NULL;
+ goto out_free_tfms;
+ }
+
+ crypto_skcipher_set_flags(slotp->tfms[mode_num],
+ CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
+ }
+
+ /*
+ * Ensure that updates to blk_crypto_keyslots[i].tfms[mode_num]
+ * for each i are visible before we set tfms_inited[mode_num].
+ */
+ smp_store_release(&tfms_inited[mode_num], true);
+ goto out;
+
+out_free_tfms:
+ for (i = 0; i < blk_crypto_num_keyslots; i++) {
+ slotp = &blk_crypto_keyslots[i];
+ crypto_free_skcipher(slotp->tfms[mode_num]);
+ slotp->tfms[mode_num] = NULL;
+ }
+out:
+ mutex_unlock(&tfms_init_lock);
+ return err;
+}
diff --git a/block/blk-crypto-internal.h b/block/blk-crypto-internal.h
new file mode 100644
index 000000000000..d2b0f565d83c
--- /dev/null
+++ b/block/blk-crypto-internal.h
@@ -0,0 +1,201 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef __LINUX_BLK_CRYPTO_INTERNAL_H
+#define __LINUX_BLK_CRYPTO_INTERNAL_H
+
+#include <linux/bio.h>
+#include <linux/blkdev.h>
+
+/* Represents a crypto mode supported by blk-crypto */
+struct blk_crypto_mode {
+ const char *cipher_str; /* crypto API name (for fallback case) */
+ unsigned int keysize; /* key size in bytes */
+ unsigned int ivsize; /* iv size in bytes */
+};
+
+extern const struct blk_crypto_mode blk_crypto_modes[];
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+
+void bio_crypt_dun_increment(u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE],
+ unsigned int inc);
+
+bool bio_crypt_rq_ctx_compatible(struct request *rq, struct bio *bio);
+
+bool bio_crypt_ctx_mergeable(struct bio_crypt_ctx *bc1, unsigned int bc1_bytes,
+ struct bio_crypt_ctx *bc2);
+
+static inline bool bio_crypt_ctx_back_mergeable(struct request *req,
+ struct bio *bio)
+{
+ return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req),
+ bio->bi_crypt_context);
+}
+
+static inline bool bio_crypt_ctx_front_mergeable(struct request *req,
+ struct bio *bio)
+{
+ return bio_crypt_ctx_mergeable(bio->bi_crypt_context,
+ bio->bi_iter.bi_size, req->crypt_ctx);
+}
+
+static inline bool bio_crypt_ctx_merge_rq(struct request *req,
+ struct request *next)
+{
+ return bio_crypt_ctx_mergeable(req->crypt_ctx, blk_rq_bytes(req),
+ next->crypt_ctx);
+}
+
+static inline void blk_crypto_rq_set_defaults(struct request *rq)
+{
+ rq->crypt_ctx = NULL;
+ rq->crypt_keyslot = NULL;
+}
+
+static inline bool blk_crypto_rq_is_encrypted(struct request *rq)
+{
+ return rq->crypt_ctx;
+}
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static inline bool bio_crypt_rq_ctx_compatible(struct request *rq,
+ struct bio *bio)
+{
+ return true;
+}
+
+static inline bool bio_crypt_ctx_front_mergeable(struct request *req,
+ struct bio *bio)
+{
+ return true;
+}
+
+static inline bool bio_crypt_ctx_back_mergeable(struct request *req,
+ struct bio *bio)
+{
+ return true;
+}
+
+static inline bool bio_crypt_ctx_merge_rq(struct request *req,
+ struct request *next)
+{
+ return true;
+}
+
+static inline void blk_crypto_rq_set_defaults(struct request *rq) { }
+
+static inline bool blk_crypto_rq_is_encrypted(struct request *rq)
+{
+ return false;
+}
+
+#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+void __bio_crypt_advance(struct bio *bio, unsigned int bytes);
+static inline void bio_crypt_advance(struct bio *bio, unsigned int bytes)
+{
+ if (bio_has_crypt_ctx(bio))
+ __bio_crypt_advance(bio, bytes);
+}
+
+void __bio_crypt_free_ctx(struct bio *bio);
+static inline void bio_crypt_free_ctx(struct bio *bio)
+{
+ if (bio_has_crypt_ctx(bio))
+ __bio_crypt_free_ctx(bio);
+}
+
+static inline void bio_crypt_do_front_merge(struct request *rq,
+ struct bio *bio)
+{
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ if (bio_has_crypt_ctx(bio))
+ memcpy(rq->crypt_ctx->bc_dun, bio->bi_crypt_context->bc_dun,
+ sizeof(rq->crypt_ctx->bc_dun));
+#endif
+}
+
+bool __blk_crypto_bio_prep(struct bio **bio_ptr);
+static inline bool blk_crypto_bio_prep(struct bio **bio_ptr)
+{
+ if (bio_has_crypt_ctx(*bio_ptr))
+ return __blk_crypto_bio_prep(bio_ptr);
+ return true;
+}
+
+blk_status_t __blk_crypto_init_request(struct request *rq);
+static inline blk_status_t blk_crypto_init_request(struct request *rq)
+{
+ if (blk_crypto_rq_is_encrypted(rq))
+ return __blk_crypto_init_request(rq);
+ return BLK_STS_OK;
+}
+
+void __blk_crypto_free_request(struct request *rq);
+static inline void blk_crypto_free_request(struct request *rq)
+{
+ if (blk_crypto_rq_is_encrypted(rq))
+ __blk_crypto_free_request(rq);
+}
+
+void __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
+ gfp_t gfp_mask);
+static inline void blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
+ gfp_t gfp_mask)
+{
+ if (bio_has_crypt_ctx(bio))
+ __blk_crypto_rq_bio_prep(rq, bio, gfp_mask);
+}
+
+/**
+ * blk_crypto_insert_cloned_request - Prepare a cloned request to be inserted
+ * into a request queue.
+ * @rq: the request being queued
+ *
+ * Return: BLK_STS_OK on success, nonzero on error.
+ */
+static inline blk_status_t blk_crypto_insert_cloned_request(struct request *rq)
+{
+
+ if (blk_crypto_rq_is_encrypted(rq))
+ return blk_crypto_init_request(rq);
+ return BLK_STS_OK;
+}
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK
+
+int blk_crypto_fallback_start_using_mode(enum blk_crypto_mode_num mode_num);
+
+bool blk_crypto_fallback_bio_prep(struct bio **bio_ptr);
+
+int blk_crypto_fallback_evict_key(const struct blk_crypto_key *key);
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK */
+
+static inline int
+blk_crypto_fallback_start_using_mode(enum blk_crypto_mode_num mode_num)
+{
+ pr_warn_once("crypto API fallback is disabled\n");
+ return -ENOPKG;
+}
+
+static inline bool blk_crypto_fallback_bio_prep(struct bio **bio_ptr)
+{
+ pr_warn_once("crypto API fallback disabled; failing request.\n");
+ (*bio_ptr)->bi_status = BLK_STS_NOTSUPP;
+ return false;
+}
+
+static inline int
+blk_crypto_fallback_evict_key(const struct blk_crypto_key *key)
+{
+ return 0;
+}
+
+#endif /* CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK */
+
+#endif /* __LINUX_BLK_CRYPTO_INTERNAL_H */
diff --git a/block/blk-crypto.c b/block/blk-crypto.c
new file mode 100644
index 000000000000..6533c9b36ab8
--- /dev/null
+++ b/block/blk-crypto.c
@@ -0,0 +1,404 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+
+/*
+ * Refer to Documentation/block/inline-encryption.rst for detailed explanation.
+ */
+
+#define pr_fmt(fmt) "blk-crypto: " fmt
+
+#include <linux/bio.h>
+#include <linux/blkdev.h>
+#include <linux/keyslot-manager.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+
+#include "blk-crypto-internal.h"
+
+const struct blk_crypto_mode blk_crypto_modes[] = {
+ [BLK_ENCRYPTION_MODE_AES_256_XTS] = {
+ .cipher_str = "xts(aes)",
+ .keysize = 64,
+ .ivsize = 16,
+ },
+ [BLK_ENCRYPTION_MODE_AES_128_CBC_ESSIV] = {
+ .cipher_str = "essiv(cbc(aes),sha256)",
+ .keysize = 16,
+ .ivsize = 16,
+ },
+ [BLK_ENCRYPTION_MODE_ADIANTUM] = {
+ .cipher_str = "adiantum(xchacha12,aes)",
+ .keysize = 32,
+ .ivsize = 32,
+ },
+};
+
+/*
+ * This number needs to be at least (the number of threads doing IO
+ * concurrently) * (maximum recursive depth of a bio), so that we don't
+ * deadlock on crypt_ctx allocations. The default is chosen to be the same
+ * as the default number of post read contexts in both EXT4 and F2FS.
+ */
+static int num_prealloc_crypt_ctxs = 128;
+
+module_param(num_prealloc_crypt_ctxs, int, 0444);
+MODULE_PARM_DESC(num_prealloc_crypt_ctxs,
+ "Number of bio crypto contexts to preallocate");
+
+static struct kmem_cache *bio_crypt_ctx_cache;
+static mempool_t *bio_crypt_ctx_pool;
+
+static int __init bio_crypt_ctx_init(void)
+{
+ size_t i;
+
+ bio_crypt_ctx_cache = KMEM_CACHE(bio_crypt_ctx, 0);
+ if (!bio_crypt_ctx_cache)
+ goto out_no_mem;
+
+ bio_crypt_ctx_pool = mempool_create_slab_pool(num_prealloc_crypt_ctxs,
+ bio_crypt_ctx_cache);
+ if (!bio_crypt_ctx_pool)
+ goto out_no_mem;
+
+ /* This is assumed in various places. */
+ BUILD_BUG_ON(BLK_ENCRYPTION_MODE_INVALID != 0);
+
+ /* Sanity check that no algorithm exceeds the defined limits. */
+ for (i = 0; i < BLK_ENCRYPTION_MODE_MAX; i++) {
+ BUG_ON(blk_crypto_modes[i].keysize > BLK_CRYPTO_MAX_KEY_SIZE);
+ BUG_ON(blk_crypto_modes[i].ivsize > BLK_CRYPTO_MAX_IV_SIZE);
+ }
+
+ return 0;
+out_no_mem:
+ panic("Failed to allocate mem for bio crypt ctxs\n");
+}
+subsys_initcall(bio_crypt_ctx_init);
+
+void bio_crypt_set_ctx(struct bio *bio, const struct blk_crypto_key *key,
+ const u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE], gfp_t gfp_mask)
+{
+ struct bio_crypt_ctx *bc = mempool_alloc(bio_crypt_ctx_pool, gfp_mask);
+
+ bc->bc_key = key;
+ memcpy(bc->bc_dun, dun, sizeof(bc->bc_dun));
+
+ bio->bi_crypt_context = bc;
+}
+
+void __bio_crypt_free_ctx(struct bio *bio)
+{
+ mempool_free(bio->bi_crypt_context, bio_crypt_ctx_pool);
+ bio->bi_crypt_context = NULL;
+}
+
+void __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask)
+{
+ dst->bi_crypt_context = mempool_alloc(bio_crypt_ctx_pool, gfp_mask);
+ *dst->bi_crypt_context = *src->bi_crypt_context;
+}
+EXPORT_SYMBOL_GPL(__bio_crypt_clone);
+
+/* Increments @dun by @inc, treating @dun as a multi-limb integer. */
+void bio_crypt_dun_increment(u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE],
+ unsigned int inc)
+{
+ int i;
+
+ for (i = 0; inc && i < BLK_CRYPTO_DUN_ARRAY_SIZE; i++) {
+ dun[i] += inc;
+ /*
+ * If the addition in this limb overflowed, then we need to
+ * carry 1 into the next limb. Else the carry is 0.
+ */
+ if (dun[i] < inc)
+ inc = 1;
+ else
+ inc = 0;
+ }
+}
+
+void __bio_crypt_advance(struct bio *bio, unsigned int bytes)
+{
+ struct bio_crypt_ctx *bc = bio->bi_crypt_context;
+
+ bio_crypt_dun_increment(bc->bc_dun,
+ bytes >> bc->bc_key->data_unit_size_bits);
+}
+
+/*
+ * Returns true if @bc->bc_dun plus @bytes converted to data units is equal to
+ * @next_dun, treating the DUNs as multi-limb integers.
+ */
+bool bio_crypt_dun_is_contiguous(const struct bio_crypt_ctx *bc,
+ unsigned int bytes,
+ const u64 next_dun[BLK_CRYPTO_DUN_ARRAY_SIZE])
+{
+ int i;
+ unsigned int carry = bytes >> bc->bc_key->data_unit_size_bits;
+
+ for (i = 0; i < BLK_CRYPTO_DUN_ARRAY_SIZE; i++) {
+ if (bc->bc_dun[i] + carry != next_dun[i])
+ return false;
+ /*
+ * If the addition in this limb overflowed, then we need to
+ * carry 1 into the next limb. Else the carry is 0.
+ */
+ if ((bc->bc_dun[i] + carry) < carry)
+ carry = 1;
+ else
+ carry = 0;
+ }
+
+ /* If the DUN wrapped through 0, don't treat it as contiguous. */
+ return carry == 0;
+}
+
+/*
+ * Checks that two bio crypt contexts are compatible - i.e. that
+ * they are mergeable except for data_unit_num continuity.
+ */
+static bool bio_crypt_ctx_compatible(struct bio_crypt_ctx *bc1,
+ struct bio_crypt_ctx *bc2)
+{
+ if (!bc1)
+ return !bc2;
+
+ return bc2 && bc1->bc_key == bc2->bc_key;
+}
+
+bool bio_crypt_rq_ctx_compatible(struct request *rq, struct bio *bio)
+{
+ return bio_crypt_ctx_compatible(rq->crypt_ctx, bio->bi_crypt_context);
+}
+
+/*
+ * Checks that two bio crypt contexts are compatible, and also
+ * that their data_unit_nums are continuous (and can hence be merged)
+ * in the order @bc1 followed by @bc2.
+ */
+bool bio_crypt_ctx_mergeable(struct bio_crypt_ctx *bc1, unsigned int bc1_bytes,
+ struct bio_crypt_ctx *bc2)
+{
+ if (!bio_crypt_ctx_compatible(bc1, bc2))
+ return false;
+
+ return !bc1 || bio_crypt_dun_is_contiguous(bc1, bc1_bytes, bc2->bc_dun);
+}
+
+/* Check that all I/O segments are data unit aligned. */
+static bool bio_crypt_check_alignment(struct bio *bio)
+{
+ const unsigned int data_unit_size =
+ bio->bi_crypt_context->bc_key->crypto_cfg.data_unit_size;
+ struct bvec_iter iter;
+ struct bio_vec bv;
+
+ bio_for_each_segment(bv, bio, iter) {
+ if (!IS_ALIGNED(bv.bv_len | bv.bv_offset, data_unit_size))
+ return false;
+ }
+
+ return true;
+}
+
+blk_status_t __blk_crypto_init_request(struct request *rq)
+{
+ return blk_ksm_get_slot_for_key(rq->q->ksm, rq->crypt_ctx->bc_key,
+ &rq->crypt_keyslot);
+}
+
+/**
+ * __blk_crypto_free_request - Uninitialize the crypto fields of a request.
+ *
+ * @rq: The request whose crypto fields to uninitialize.
+ *
+ * Completely uninitializes the crypto fields of a request. If a keyslot has
+ * been programmed into some inline encryption hardware, that keyslot is
+ * released. The rq->crypt_ctx is also freed.
+ */
+void __blk_crypto_free_request(struct request *rq)
+{
+ blk_ksm_put_slot(rq->crypt_keyslot);
+ mempool_free(rq->crypt_ctx, bio_crypt_ctx_pool);
+ blk_crypto_rq_set_defaults(rq);
+}
+
+/**
+ * __blk_crypto_bio_prep - Prepare bio for inline encryption
+ *
+ * @bio_ptr: pointer to original bio pointer
+ *
+ * If the bio crypt context provided for the bio is supported by the underlying
+ * device's inline encryption hardware, do nothing.
+ *
+ * Otherwise, try to perform en/decryption for this bio by falling back to the
+ * kernel crypto API. When the crypto API fallback is used for encryption,
+ * blk-crypto may choose to split the bio into 2 - the first one that will
+ * continue to be processed and the second one that will be resubmitted via
+ * generic_make_request. A bounce bio will be allocated to encrypt the contents
+ * of the aforementioned "first one", and *bio_ptr will be updated to this
+ * bounce bio.
+ *
+ * Caller must ensure bio has bio_crypt_ctx.
+ *
+ * Return: true on success; false on error (and bio->bi_status will be set
+ * appropriately, and bio_endio() will have been called so bio
+ * submission should abort).
+ */
+bool __blk_crypto_bio_prep(struct bio **bio_ptr)
+{
+ struct bio *bio = *bio_ptr;
+ const struct blk_crypto_key *bc_key = bio->bi_crypt_context->bc_key;
+
+ /* Error if bio has no data. */
+ if (WARN_ON_ONCE(!bio_has_data(bio))) {
+ bio->bi_status = BLK_STS_IOERR;
+ goto fail;
+ }
+
+ if (!bio_crypt_check_alignment(bio)) {
+ bio->bi_status = BLK_STS_IOERR;
+ goto fail;
+ }
+
+ /*
+ * Success if device supports the encryption context, or if we succeeded
+ * in falling back to the crypto API.
+ */
+ if (blk_ksm_crypto_cfg_supported(bio->bi_disk->queue->ksm,
+ &bc_key->crypto_cfg))
+ return true;
+
+ if (blk_crypto_fallback_bio_prep(bio_ptr))
+ return true;
+fail:
+ bio_endio(*bio_ptr);
+ return false;
+}
+
+/**
+ * __blk_crypto_rq_bio_prep - Prepare a request's crypt_ctx when its first bio
+ * is inserted
+ *
+ * @rq: The request to prepare
+ * @bio: The first bio being inserted into the request
+ * @gfp_mask: gfp mask
+ */
+void __blk_crypto_rq_bio_prep(struct request *rq, struct bio *bio,
+ gfp_t gfp_mask)
+{
+ if (!rq->crypt_ctx)
+ rq->crypt_ctx = mempool_alloc(bio_crypt_ctx_pool, gfp_mask);
+ *rq->crypt_ctx = *bio->bi_crypt_context;
+}
+
+/**
+ * blk_crypto_init_key() - Prepare a key for use with blk-crypto
+ * @blk_key: Pointer to the blk_crypto_key to initialize.
+ * @raw_key: Pointer to the raw key. Must be the correct length for the chosen
+ * @crypto_mode; see blk_crypto_modes[].
+ * @crypto_mode: identifier for the encryption algorithm to use
+ * @dun_bytes: number of bytes that will be used to specify the DUN when this
+ * key is used
+ * @data_unit_size: the data unit size to use for en/decryption
+ *
+ * Return: 0 on success, -errno on failure. The caller is responsible for
+ * zeroizing both blk_key and raw_key when done with them.
+ */
+int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+ enum blk_crypto_mode_num crypto_mode,
+ unsigned int dun_bytes,
+ unsigned int data_unit_size)
+{
+ const struct blk_crypto_mode *mode;
+
+ memset(blk_key, 0, sizeof(*blk_key));
+
+ if (crypto_mode >= ARRAY_SIZE(blk_crypto_modes))
+ return -EINVAL;
+
+ mode = &blk_crypto_modes[crypto_mode];
+ if (mode->keysize == 0)
+ return -EINVAL;
+
+ if (dun_bytes == 0 || dun_bytes > BLK_CRYPTO_MAX_IV_SIZE)
+ return -EINVAL;
+
+ if (!is_power_of_2(data_unit_size))
+ return -EINVAL;
+
+ blk_key->crypto_cfg.crypto_mode = crypto_mode;
+ blk_key->crypto_cfg.dun_bytes = dun_bytes;
+ blk_key->crypto_cfg.data_unit_size = data_unit_size;
+ blk_key->data_unit_size_bits = ilog2(data_unit_size);
+ blk_key->size = mode->keysize;
+ memcpy(blk_key->raw, raw_key, mode->keysize);
+
+ return 0;
+}
+
+/*
+ * Check if bios with @cfg can be en/decrypted by blk-crypto (i.e. either the
+ * request queue it's submitted to supports inline crypto, or the
+ * blk-crypto-fallback is enabled and supports the cfg).
+ */
+bool blk_crypto_config_supported(struct request_queue *q,
+ const struct blk_crypto_config *cfg)
+{
+ return IS_ENABLED(CONFIG_BLK_INLINE_ENCRYPTION_FALLBACK) ||
+ blk_ksm_crypto_cfg_supported(q->ksm, cfg);
+}
+
+/**
+ * blk_crypto_start_using_key() - Start using a blk_crypto_key on a device
+ * @key: A key to use on the device
+ * @q: the request queue for the device
+ *
+ * Upper layers must call this function to ensure that either the hardware
+ * supports the key's crypto settings, or the crypto API fallback has transforms
+ * for the needed mode allocated and ready to go. This function may allocate
+ * an skcipher, and *should not* be called from the data path, since that might
+ * cause a deadlock
+ *
+ * Return: 0 on success; -ENOPKG if the hardware doesn't support the key and
+ * blk-crypto-fallback is either disabled or the needed algorithm
+ * is disabled in the crypto API; or another -errno code.
+ */
+int blk_crypto_start_using_key(const struct blk_crypto_key *key,
+ struct request_queue *q)
+{
+ if (blk_ksm_crypto_cfg_supported(q->ksm, &key->crypto_cfg))
+ return 0;
+ return blk_crypto_fallback_start_using_mode(key->crypto_cfg.crypto_mode);
+}
+
+/**
+ * blk_crypto_evict_key() - Evict a key from any inline encryption hardware
+ * it may have been programmed into
+ * @q: The request queue who's associated inline encryption hardware this key
+ * might have been programmed into
+ * @key: The key to evict
+ *
+ * Upper layers (filesystems) must call this function to ensure that a key is
+ * evicted from any hardware that it might have been programmed into. The key
+ * must not be in use by any in-flight IO when this function is called.
+ *
+ * Return: 0 on success or if key is not present in the q's ksm, -err on error.
+ */
+int blk_crypto_evict_key(struct request_queue *q,
+ const struct blk_crypto_key *key)
+{
+ if (blk_ksm_crypto_cfg_supported(q->ksm, &key->crypto_cfg))
+ return blk_ksm_evict_key(q->ksm, key);
+
+ /*
+ * If the request queue's associated inline encryption hardware didn't
+ * have support for the key, then the key might have been programmed
+ * into the fallback keyslot manager, so try to evict from there.
+ */
+ return blk_crypto_fallback_evict_key(key);
+}
diff --git a/block/blk-exec.c b/block/blk-exec.c
index e20a852ae432..85324d53d072 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -55,7 +55,7 @@ void blk_execute_rq_nowait(struct request_queue *q, struct gendisk *bd_disk,
rq->rq_disk = bd_disk;
rq->end_io = done;
- blk_account_io_start(rq, true);
+ blk_account_io_start(rq);
/*
* don't check dying flag for MQ because the request won't
diff --git a/block/blk-flush.c b/block/blk-flush.c
index c7f396e3d5e2..15ae0155ec07 100644
--- a/block/blk-flush.c
+++ b/block/blk-flush.c
@@ -258,7 +258,6 @@ static void flush_end_io(struct request *flush_rq, blk_status_t error)
blk_flush_complete_seq(rq, fq, seq, error);
}
- fq->flush_queue_delayed = 0;
spin_unlock_irqrestore(&fq->mq_flush_lock, flags);
}
@@ -433,41 +432,20 @@ void blk_insert_flush(struct request *rq)
* blkdev_issue_flush - queue a flush
* @bdev: blockdev to issue flush for
* @gfp_mask: memory allocation flags (for bio_alloc)
- * @error_sector: error sector
*
* Description:
- * Issue a flush for the block device in question. Caller can supply
- * room for storing the error offset in case of a flush error, if they
- * wish to.
+ * Issue a flush for the block device in question.
*/
-int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
- sector_t *error_sector)
+int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
{
- struct request_queue *q;
struct bio *bio;
int ret = 0;
- if (bdev->bd_disk == NULL)
- return -ENXIO;
-
- q = bdev_get_queue(bdev);
- if (!q)
- return -ENXIO;
-
bio = bio_alloc(gfp_mask, 0);
bio_set_dev(bio, bdev);
bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
ret = submit_bio_wait(bio);
-
- /*
- * The driver must store the error location in ->bi_sector, if
- * it supports it. For non-stacked drivers, this should be
- * copied from blk_rq_pos(rq).
- */
- if (error_sector)
- *error_sector = bio->bi_iter.bi_sector;
-
bio_put(bio);
return ret;
}
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index ff1070edbb40..c03705cbb9c9 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -409,6 +409,13 @@ void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template
bi->tag_size = template->tag_size;
disk->queue->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES;
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ if (disk->queue->ksm) {
+ pr_warn("blk-integrity: Integrity and hardware inline encryption are not supported together. Disabling hardware inline encryption.\n");
+ blk_ksm_unregister(disk->queue);
+ }
+#endif
}
EXPORT_SYMBOL(blk_integrity_register);
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index db35ee682294..8ac4aad66ebc 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -260,6 +260,7 @@ enum {
VTIME_PER_SEC_SHIFT = 37,
VTIME_PER_SEC = 1LLU << VTIME_PER_SEC_SHIFT,
VTIME_PER_USEC = VTIME_PER_SEC / USEC_PER_SEC,
+ VTIME_PER_NSEC = VTIME_PER_SEC / NSEC_PER_SEC,
/* bound vrate adjustments within two orders of magnitude */
VRATE_MIN_PPM = 10000, /* 1% */
@@ -466,7 +467,7 @@ struct ioc_gq {
*/
atomic64_t vtime;
atomic64_t done_vtime;
- atomic64_t abs_vdebt;
+ u64 abs_vdebt;
u64 last_vtime;
/*
@@ -1142,7 +1143,7 @@ static void iocg_kick_waitq(struct ioc_gq *iocg, struct ioc_now *now)
struct iocg_wake_ctx ctx = { .iocg = iocg };
u64 margin_ns = (u64)(ioc->period_us *
WAITQ_TIMER_MARGIN_PCT / 100) * NSEC_PER_USEC;
- u64 abs_vdebt, vdebt, vshortage, expires, oexpires;
+ u64 vdebt, vshortage, expires, oexpires;
s64 vbudget;
u32 hw_inuse;
@@ -1152,18 +1153,15 @@ static void iocg_kick_waitq(struct ioc_gq *iocg, struct ioc_now *now)
vbudget = now->vnow - atomic64_read(&iocg->vtime);
/* pay off debt */
- abs_vdebt = atomic64_read(&iocg->abs_vdebt);
- vdebt = abs_cost_to_cost(abs_vdebt, hw_inuse);
+ vdebt = abs_cost_to_cost(iocg->abs_vdebt, hw_inuse);
if (vdebt && vbudget > 0) {
u64 delta = min_t(u64, vbudget, vdebt);
u64 abs_delta = min(cost_to_abs_cost(delta, hw_inuse),
- abs_vdebt);
+ iocg->abs_vdebt);
atomic64_add(delta, &iocg->vtime);
atomic64_add(delta, &iocg->done_vtime);
- atomic64_sub(abs_delta, &iocg->abs_vdebt);
- if (WARN_ON_ONCE(atomic64_read(&iocg->abs_vdebt) < 0))
- atomic64_set(&iocg->abs_vdebt, 0);
+ iocg->abs_vdebt -= abs_delta;
}
/*
@@ -1209,22 +1207,28 @@ static enum hrtimer_restart iocg_waitq_timer_fn(struct hrtimer *timer)
return HRTIMER_NORESTART;
}
-static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now, u64 cost)
+static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now)
{
struct ioc *ioc = iocg->ioc;
struct blkcg_gq *blkg = iocg_to_blkg(iocg);
u64 vtime = atomic64_read(&iocg->vtime);
u64 vmargin = ioc->margin_us * now->vrate;
u64 margin_ns = ioc->margin_us * NSEC_PER_USEC;
- u64 expires, oexpires;
+ u64 delta_ns, expires, oexpires;
u32 hw_inuse;
+ lockdep_assert_held(&iocg->waitq.lock);
+
/* debt-adjust vtime */
current_hweight(iocg, NULL, &hw_inuse);
- vtime += abs_cost_to_cost(atomic64_read(&iocg->abs_vdebt), hw_inuse);
+ vtime += abs_cost_to_cost(iocg->abs_vdebt, hw_inuse);
- /* clear or maintain depending on the overage */
- if (time_before_eq64(vtime, now->vnow)) {
+ /*
+ * Clear or maintain depending on the overage. Non-zero vdebt is what
+ * guarantees that @iocg is online and future iocg_kick_delay() will
+ * clear use_delay. Don't leave it on when there's no vdebt.
+ */
+ if (!iocg->abs_vdebt || time_before_eq64(vtime, now->vnow)) {
blkcg_clear_delay(blkg);
return false;
}
@@ -1233,15 +1237,10 @@ static bool iocg_kick_delay(struct ioc_gq *iocg, struct ioc_now *now, u64 cost)
return false;
/* use delay */
- if (cost) {
- u64 cost_ns = DIV64_U64_ROUND_UP(cost * NSEC_PER_USEC,
- now->vrate);
- blkcg_add_delay(blkg, now->now_ns, cost_ns);
- }
- blkcg_use_delay(blkg);
-
- expires = now->now_ns + DIV64_U64_ROUND_UP(vtime - now->vnow,
- now->vrate) * NSEC_PER_USEC;
+ delta_ns = DIV64_U64_ROUND_UP(vtime - now->vnow,
+ now->vrate) * NSEC_PER_USEC;
+ blkcg_set_delay(blkg, delta_ns);
+ expires = now->now_ns + delta_ns;
/* if already active and close enough, don't bother */
oexpires = ktime_to_ns(hrtimer_get_softexpires(&iocg->delay_timer));
@@ -1258,9 +1257,12 @@ static enum hrtimer_restart iocg_delay_timer_fn(struct hrtimer *timer)
{
struct ioc_gq *iocg = container_of(timer, struct ioc_gq, delay_timer);
struct ioc_now now;
+ unsigned long flags;
+ spin_lock_irqsave(&iocg->waitq.lock, flags);
ioc_now(iocg->ioc, &now);
- iocg_kick_delay(iocg, &now, 0);
+ iocg_kick_delay(iocg, &now);
+ spin_unlock_irqrestore(&iocg->waitq.lock, flags);
return HRTIMER_NORESTART;
}
@@ -1368,17 +1370,16 @@ static void ioc_timer_fn(struct timer_list *timer)
* should have woken up in the last period and expire idle iocgs.
*/
list_for_each_entry_safe(iocg, tiocg, &ioc->active_iocgs, active_list) {
- if (!waitqueue_active(&iocg->waitq) &&
- !atomic64_read(&iocg->abs_vdebt) && !iocg_is_idle(iocg))
+ if (!waitqueue_active(&iocg->waitq) && iocg->abs_vdebt &&
+ !iocg_is_idle(iocg))
continue;
spin_lock(&iocg->waitq.lock);
- if (waitqueue_active(&iocg->waitq) ||
- atomic64_read(&iocg->abs_vdebt)) {
+ if (waitqueue_active(&iocg->waitq) || iocg->abs_vdebt) {
/* might be oversleeping vtime / hweight changes, kick */
iocg_kick_waitq(iocg, &now);
- iocg_kick_delay(iocg, &now, 0);
+ iocg_kick_delay(iocg, &now);
} else if (iocg_is_idle(iocg)) {
/* no waiter and idle, deactivate */
iocg->last_inuse = iocg->inuse;
@@ -1538,19 +1539,39 @@ skip_surplus_transfers:
if (rq_wait_pct > RQ_WAIT_BUSY_PCT ||
missed_ppm[READ] > ppm_rthr ||
missed_ppm[WRITE] > ppm_wthr) {
+ /* clearly missing QoS targets, slow down vrate */
ioc->busy_level = max(ioc->busy_level, 0);
ioc->busy_level++;
} else if (rq_wait_pct <= RQ_WAIT_BUSY_PCT * UNBUSY_THR_PCT / 100 &&
missed_ppm[READ] <= ppm_rthr * UNBUSY_THR_PCT / 100 &&
missed_ppm[WRITE] <= ppm_wthr * UNBUSY_THR_PCT / 100) {
- /* take action iff there is contention */
- if (nr_shortages && !nr_lagging) {
+ /* QoS targets are being met with >25% margin */
+ if (nr_shortages) {
+ /*
+ * We're throttling while the device has spare
+ * capacity. If vrate was being slowed down, stop.
+ */
ioc->busy_level = min(ioc->busy_level, 0);
- /* redistribute surpluses first */
- if (!nr_surpluses)
+
+ /*
+ * If there are IOs spanning multiple periods, wait
+ * them out before pushing the device harder. If
+ * there are surpluses, let redistribution work it
+ * out first.
+ */
+ if (!nr_lagging && !nr_surpluses)
ioc->busy_level--;
+ } else {
+ /*
+ * Nobody is being throttled and the users aren't
+ * issuing enough IOs to saturate the device. We
+ * simply don't know how close the device is to
+ * saturation. Coast.
+ */
+ ioc->busy_level = 0;
}
} else {
+ /* inside the hysterisis margin, we're good */
ioc->busy_level = 0;
}
@@ -1591,7 +1612,7 @@ skip_surplus_transfers:
vrate_min, vrate_max);
}
- trace_iocost_ioc_vrate_adj(ioc, vrate, &missed_ppm, rq_wait_pct,
+ trace_iocost_ioc_vrate_adj(ioc, vrate, missed_ppm, rq_wait_pct,
nr_lagging, nr_shortages,
nr_surpluses);
@@ -1600,7 +1621,7 @@ skip_surplus_transfers:
ioc->period_us * vrate * INUSE_MARGIN_PCT, 100);
} else if (ioc->busy_level != prev_busy_level || nr_lagging) {
trace_iocost_ioc_vrate_adj(ioc, atomic64_read(&ioc->vtime_rate),
- &missed_ppm, rq_wait_pct, nr_lagging,
+ missed_ppm, rq_wait_pct, nr_lagging,
nr_shortages, nr_surpluses);
}
@@ -1673,6 +1694,31 @@ static u64 calc_vtime_cost(struct bio *bio, struct ioc_gq *iocg, bool is_merge)
return cost;
}
+static void calc_size_vtime_cost_builtin(struct request *rq, struct ioc *ioc,
+ u64 *costp)
+{
+ unsigned int pages = blk_rq_stats_sectors(rq) >> IOC_SECT_TO_PAGE_SHIFT;
+
+ switch (req_op(rq)) {
+ case REQ_OP_READ:
+ *costp = pages * ioc->params.lcoefs[LCOEF_RPAGE];
+ break;
+ case REQ_OP_WRITE:
+ *costp = pages * ioc->params.lcoefs[LCOEF_WPAGE];
+ break;
+ default:
+ *costp = 0;
+ }
+}
+
+static u64 calc_size_vtime_cost(struct request *rq, struct ioc *ioc)
+{
+ u64 cost;
+
+ calc_size_vtime_cost_builtin(rq, ioc, &cost);
+ return cost;
+}
+
static void ioc_rqos_throttle(struct rq_qos *rqos, struct bio *bio)
{
struct blkcg_gq *blkg = bio->bi_blkg;
@@ -1718,28 +1764,49 @@ static void ioc_rqos_throttle(struct rq_qos *rqos, struct bio *bio)
* tests are racy but the races aren't systemic - we only miss once
* in a while which is fine.
*/
- if (!waitqueue_active(&iocg->waitq) &&
- !atomic64_read(&iocg->abs_vdebt) &&
+ if (!waitqueue_active(&iocg->waitq) && !iocg->abs_vdebt &&
time_before_eq64(vtime + cost, now.vnow)) {
iocg_commit_bio(iocg, bio, cost);
return;
}
/*
- * We're over budget. If @bio has to be issued regardless,
- * remember the abs_cost instead of advancing vtime.
- * iocg_kick_waitq() will pay off the debt before waking more IOs.
+ * We activated above but w/o any synchronization. Deactivation is
+ * synchronized with waitq.lock and we won't get deactivated as long
+ * as we're waiting or has debt, so we're good if we're activated
+ * here. In the unlikely case that we aren't, just issue the IO.
+ */
+ spin_lock_irq(&iocg->waitq.lock);
+
+ if (unlikely(list_empty(&iocg->active_list))) {
+ spin_unlock_irq(&iocg->waitq.lock);
+ iocg_commit_bio(iocg, bio, cost);
+ return;
+ }
+
+ /*
+ * We're over budget. If @bio has to be issued regardless, remember
+ * the abs_cost instead of advancing vtime. iocg_kick_waitq() will pay
+ * off the debt before waking more IOs.
+ *
* This way, the debt is continuously paid off each period with the
- * actual budget available to the cgroup. If we just wound vtime,
- * we would incorrectly use the current hw_inuse for the entire
- * amount which, for example, can lead to the cgroup staying
- * blocked for a long time even with substantially raised hw_inuse.
+ * actual budget available to the cgroup. If we just wound vtime, we
+ * would incorrectly use the current hw_inuse for the entire amount
+ * which, for example, can lead to the cgroup staying blocked for a
+ * long time even with substantially raised hw_inuse.
+ *
+ * An iocg with vdebt should stay online so that the timer can keep
+ * deducting its vdebt and [de]activate use_delay mechanism
+ * accordingly. We don't want to race against the timer trying to
+ * clear them and leave @iocg inactive w/ dangling use_delay heavily
+ * penalizing the cgroup and its descendants.
*/
if (bio_issue_as_root_blkg(bio) || fatal_signal_pending(current)) {
- atomic64_add(abs_cost, &iocg->abs_vdebt);
- if (iocg_kick_delay(iocg, &now, cost))
+ iocg->abs_vdebt += abs_cost;
+ if (iocg_kick_delay(iocg, &now))
blkcg_schedule_throttle(rqos->q,
(bio->bi_opf & REQ_SWAP) == REQ_SWAP);
+ spin_unlock_irq(&iocg->waitq.lock);
return;
}
@@ -1756,20 +1823,6 @@ static void ioc_rqos_throttle(struct rq_qos *rqos, struct bio *bio)
* All waiters are on iocg->waitq and the wait states are
* synchronized using waitq.lock.
*/
- spin_lock_irq(&iocg->waitq.lock);
-
- /*
- * We activated above but w/o any synchronization. Deactivation is
- * synchronized with waitq.lock and we won't get deactivated as
- * long as we're waiting, so we're good if we're activated here.
- * In the unlikely case that we are deactivated, just issue the IO.
- */
- if (unlikely(list_empty(&iocg->active_list))) {
- spin_unlock_irq(&iocg->waitq.lock);
- iocg_commit_bio(iocg, bio, cost);
- return;
- }
-
init_waitqueue_func_entry(&wait.wait, iocg_wake_fn);
wait.wait.private = current;
wait.bio = bio;
@@ -1801,6 +1854,7 @@ static void ioc_rqos_merge(struct rq_qos *rqos, struct request *rq,
struct ioc_now now;
u32 hw_inuse;
u64 abs_cost, cost;
+ unsigned long flags;
/* bypass if disabled or for root cgroup */
if (!ioc->enabled || !iocg->level)
@@ -1820,15 +1874,28 @@ static void ioc_rqos_merge(struct rq_qos *rqos, struct request *rq,
iocg->cursor = bio_end;
/*
- * Charge if there's enough vtime budget and the existing request
- * has cost assigned. Otherwise, account it as debt. See debt
- * handling in ioc_rqos_throttle() for details.
+ * Charge if there's enough vtime budget and the existing request has
+ * cost assigned.
*/
if (rq->bio && rq->bio->bi_iocost_cost &&
- time_before_eq64(atomic64_read(&iocg->vtime) + cost, now.vnow))
+ time_before_eq64(atomic64_read(&iocg->vtime) + cost, now.vnow)) {
iocg_commit_bio(iocg, bio, cost);
- else
- atomic64_add(abs_cost, &iocg->abs_vdebt);
+ return;
+ }
+
+ /*
+ * Otherwise, account it as debt if @iocg is online, which it should
+ * be for the vast majority of cases. See debt handling in
+ * ioc_rqos_throttle() for details.
+ */
+ spin_lock_irqsave(&iocg->waitq.lock, flags);
+ if (likely(!list_empty(&iocg->active_list))) {
+ iocg->abs_vdebt += abs_cost;
+ iocg_kick_delay(iocg, &now);
+ } else {
+ iocg_commit_bio(iocg, bio, cost);
+ }
+ spin_unlock_irqrestore(&iocg->waitq.lock, flags);
}
static void ioc_rqos_done_bio(struct rq_qos *rqos, struct bio *bio)
@@ -1842,7 +1909,7 @@ static void ioc_rqos_done_bio(struct rq_qos *rqos, struct bio *bio)
static void ioc_rqos_done(struct rq_qos *rqos, struct request *rq)
{
struct ioc *ioc = rqos_to_ioc(rqos);
- u64 on_q_ns, rq_wait_ns;
+ u64 on_q_ns, rq_wait_ns, size_nsec;
int pidx, rw;
if (!ioc->enabled || !rq->alloc_time_ns || !rq->start_time_ns)
@@ -1863,8 +1930,10 @@ static void ioc_rqos_done(struct rq_qos *rqos, struct request *rq)
on_q_ns = ktime_get_ns() - rq->alloc_time_ns;
rq_wait_ns = rq->start_time_ns - rq->alloc_time_ns;
+ size_nsec = div64_u64(calc_size_vtime_cost(rq, ioc), VTIME_PER_NSEC);
- if (on_q_ns <= ioc->params.qos[pidx] * NSEC_PER_USEC)
+ if (on_q_ns <= size_nsec ||
+ on_q_ns - size_nsec <= ioc->params.qos[pidx] * NSEC_PER_USEC)
this_cpu_inc(ioc->pcpu_stat->missed[rw].nr_met);
else
this_cpu_inc(ioc->pcpu_stat->missed[rw].nr_missed);
@@ -1998,7 +2067,6 @@ static void ioc_pd_init(struct blkg_policy_data *pd)
iocg->ioc = ioc;
atomic64_set(&iocg->vtime, now.vnow);
atomic64_set(&iocg->done_vtime, now.vnow);
- atomic64_set(&iocg->abs_vdebt, 0);
atomic64_set(&iocg->active_period, atomic64_read(&ioc->cur_period));
INIT_LIST_HEAD(&iocg->active_list);
iocg->hweight_active = HWEIGHT_WHOLE;
@@ -2272,6 +2340,7 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input,
spin_lock_irq(&ioc->lock);
if (enable) {
+ blk_stat_enable_accounting(ioc->rqos.q);
blk_queue_flag_set(QUEUE_FLAG_RQ_ALLOC_TIME, ioc->rqos.q);
ioc->enabled = true;
} else {
diff --git a/block/blk-map.c b/block/blk-map.c
index b72c361911a4..6e804892d5ec 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -257,6 +257,7 @@ out_bmd:
static struct bio *bio_map_user_iov(struct request_queue *q,
struct iov_iter *iter, gfp_t gfp_mask)
{
+ unsigned int max_sectors = queue_max_hw_sectors(q);
int j;
struct bio *bio;
int ret;
@@ -294,8 +295,8 @@ static struct bio *bio_map_user_iov(struct request_queue *q,
if (n > bytes)
n = bytes;
- if (!__bio_add_pc_page(q, bio, page, n, offs,
- &same_page)) {
+ if (!bio_add_hw_page(q, bio, page, n, offs,
+ max_sectors, &same_page)) {
if (same_page)
put_page(page);
break;
@@ -549,6 +550,7 @@ int blk_rq_append_bio(struct request *rq, struct bio **bio)
rq->biotail->bi_next = *bio;
rq->biotail = *bio;
rq->__data_len += (*bio)->bi_iter.bi_size;
+ bio_crypt_free_ctx(*bio);
}
return 0;
@@ -654,8 +656,6 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
bio = rq->bio;
} while (iov_iter_count(&i));
- if (!bio_flagged(bio, BIO_USER_MAPPED))
- rq->rq_flags |= RQF_COPY_USER;
return 0;
unmap_rq:
@@ -731,7 +731,6 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
{
int reading = rq_data_dir(rq) == READ;
unsigned long addr = (unsigned long) kbuf;
- int do_copy = 0;
struct bio *bio, *orig_bio;
int ret;
@@ -740,8 +739,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
if (!len || !kbuf)
return -EINVAL;
- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf);
- if (do_copy)
+ if (!blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf))
bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading);
else
bio = bio_map_kern(q, kbuf, len, gfp_mask);
@@ -752,9 +750,6 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf,
bio->bi_opf &= ~REQ_OP_MASK;
bio->bi_opf |= req_op(rq);
- if (do_copy)
- rq->rq_flags |= RQF_COPY_USER;
-
orig_bio = bio;
ret = blk_rq_append_bio(rq, &bio);
if (unlikely(ret)) {
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 1534ed736363..f0b0bae075a0 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -336,16 +336,6 @@ void __blk_queue_split(struct request_queue *q, struct bio **bio,
/* there isn't chance to merge the splitted bio */
split->bi_opf |= REQ_NOMERGE;
- /*
- * Since we're recursing into make_request here, ensure
- * that we mark this bio as already having entered the queue.
- * If not, and the queue is going away, we can get stuck
- * forever on waiting for the queue reference to drop. But
- * that will never happen, as we're already holding a
- * reference to it.
- */
- bio_set_flag(*bio, BIO_QUEUE_ENTERED);
-
bio_chain(split, *bio);
trace_block_split(q, split, (*bio)->bi_iter.bi_sector);
generic_make_request(*bio);
@@ -519,44 +509,20 @@ static int __blk_bios_map_sg(struct request_queue *q, struct bio *bio,
* map a request to scatterlist, return number of sg entries setup. Caller
* must make sure sg can hold rq->nr_phys_segments entries
*/
-int blk_rq_map_sg(struct request_queue *q, struct request *rq,
- struct scatterlist *sglist)
+int __blk_rq_map_sg(struct request_queue *q, struct request *rq,
+ struct scatterlist *sglist, struct scatterlist **last_sg)
{
- struct scatterlist *sg = NULL;
int nsegs = 0;
if (rq->rq_flags & RQF_SPECIAL_PAYLOAD)
- nsegs = __blk_bvec_map_sg(rq->special_vec, sglist, &sg);
+ nsegs = __blk_bvec_map_sg(rq->special_vec, sglist, last_sg);
else if (rq->bio && bio_op(rq->bio) == REQ_OP_WRITE_SAME)
- nsegs = __blk_bvec_map_sg(bio_iovec(rq->bio), sglist, &sg);
+ nsegs = __blk_bvec_map_sg(bio_iovec(rq->bio), sglist, last_sg);
else if (rq->bio)
- nsegs = __blk_bios_map_sg(q, rq->bio, sglist, &sg);
-
- if (unlikely(rq->rq_flags & RQF_COPY_USER) &&
- (blk_rq_bytes(rq) & q->dma_pad_mask)) {
- unsigned int pad_len =
- (q->dma_pad_mask & ~blk_rq_bytes(rq)) + 1;
-
- sg->length += pad_len;
- rq->extra_len += pad_len;
- }
+ nsegs = __blk_bios_map_sg(q, rq->bio, sglist, last_sg);
- if (q->dma_drain_size && q->dma_drain_needed(rq)) {
- if (op_is_write(req_op(rq)))
- memset(q->dma_drain_buffer, 0, q->dma_drain_size);
-
- sg_unmark_end(sg);
- sg = sg_next(sg);
- sg_set_page(sg, virt_to_page(q->dma_drain_buffer),
- q->dma_drain_size,
- ((unsigned long)q->dma_drain_buffer) &
- (PAGE_SIZE - 1));
- nsegs++;
- rq->extra_len += q->dma_drain_size;
- }
-
- if (sg)
- sg_mark_end(sg);
+ if (*last_sg)
+ sg_mark_end(*last_sg);
/*
* Something must have been wrong if the figured number of
@@ -566,7 +532,7 @@ int blk_rq_map_sg(struct request_queue *q, struct request *rq,
return nsegs;
}
-EXPORT_SYMBOL(blk_rq_map_sg);
+EXPORT_SYMBOL(__blk_rq_map_sg);
static inline int ll_new_hw_segment(struct request *req, struct bio *bio,
unsigned int nr_phys_segs)
@@ -596,6 +562,8 @@ int ll_back_merge_fn(struct request *req, struct bio *bio, unsigned int nr_segs)
if (blk_integrity_rq(req) &&
integrity_req_gap_back_merge(req, bio))
return 0;
+ if (!bio_crypt_ctx_back_mergeable(req, bio))
+ return 0;
if (blk_rq_sectors(req) + bio_sectors(bio) >
blk_rq_get_max_sectors(req, blk_rq_pos(req))) {
req_set_nomerge(req->q, req);
@@ -612,6 +580,8 @@ int ll_front_merge_fn(struct request *req, struct bio *bio, unsigned int nr_segs
if (blk_integrity_rq(req) &&
integrity_req_gap_front_merge(req, bio))
return 0;
+ if (!bio_crypt_ctx_front_mergeable(req, bio))
+ return 0;
if (blk_rq_sectors(req) + bio_sectors(bio) >
blk_rq_get_max_sectors(req, bio->bi_iter.bi_sector)) {
req_set_nomerge(req->q, req);
@@ -661,6 +631,9 @@ static int ll_merge_requests_fn(struct request_queue *q, struct request *req,
if (blk_integrity_merge_rq(q, req, next) == false)
return 0;
+ if (!bio_crypt_ctx_merge_rq(req, next))
+ return 0;
+
/* Merge is OK... */
req->nr_phys_segments = total_phys_segments;
return 1;
@@ -696,20 +669,17 @@ void blk_rq_set_mixed_merge(struct request *rq)
rq->rq_flags |= RQF_MIXED_MERGE;
}
-static void blk_account_io_merge(struct request *req)
+static void blk_account_io_merge_request(struct request *req)
{
if (blk_do_io_stat(req)) {
- struct hd_struct *part;
-
part_stat_lock();
- part = req->part;
-
- part_dec_in_flight(req->q, part, rq_data_dir(req));
-
- hd_struct_put(part);
+ part_stat_inc(req->part, merges[op_stat_group(req_op(req))]);
part_stat_unlock();
+
+ hd_struct_put(req->part);
}
}
+
/*
* Two cases of handling DISCARD merge:
* If max_discard_segments > 1, the driver takes every bio
@@ -821,7 +791,7 @@ static struct request *attempt_merge(struct request_queue *q,
/*
* 'next' is going away, so update stats accordingly
*/
- blk_account_io_merge(next);
+ blk_account_io_merge_request(next);
/*
* ownership of bio passed from next to req, return 'next' for
@@ -885,6 +855,10 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
if (blk_integrity_merge_bio(rq->q, rq, bio) == false)
return false;
+ /* Only merge if the crypt contexts are compatible */
+ if (!bio_crypt_rq_ctx_compatible(rq, bio))
+ return false;
+
/* must be using the same buffer */
if (req_op(rq) == REQ_OP_WRITE_SAME &&
!blk_write_same_mergeable(rq->bio, bio))
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index b3f2ba483992..15df3a36e9fa 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -213,6 +213,7 @@ static const char *const hctx_state_name[] = {
HCTX_STATE_NAME(STOPPED),
HCTX_STATE_NAME(TAG_ACTIVE),
HCTX_STATE_NAME(SCHED_RESTART),
+ HCTX_STATE_NAME(INACTIVE),
};
#undef HCTX_STATE_NAME
@@ -239,6 +240,7 @@ static const char *const hctx_flag_name[] = {
HCTX_FLAG_NAME(TAG_SHARED),
HCTX_FLAG_NAME(BLOCKING),
HCTX_FLAG_NAME(NO_SCHED),
+ HCTX_FLAG_NAME(STACKING),
};
#undef HCTX_FLAG_NAME
@@ -292,7 +294,6 @@ static const char *const rqf_name[] = {
RQF_NAME(MQ_INFLIGHT),
RQF_NAME(DONTPREP),
RQF_NAME(PREEMPT),
- RQF_NAME(COPY_USER),
RQF_NAME(FAILED),
RQF_NAME(QUIET),
RQF_NAME(ELVPRIV),
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index 74cedea56034..fdcc2c1dd178 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -80,16 +80,22 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx)
blk_mq_run_hw_queue(hctx, true);
}
+#define BLK_MQ_BUDGET_DELAY 3 /* ms units */
+
/*
* Only SCSI implements .get_budget and .put_budget, and SCSI restarts
* its queue by itself in its completion handler, so we don't need to
* restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
+ *
+ * Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
+ * be run again. This is necessary to avoid starving flushes.
*/
-static void blk_mq_do_dispatch_sched(struct blk_mq_hw_ctx *hctx)
+static int blk_mq_do_dispatch_sched(struct blk_mq_hw_ctx *hctx)
{
struct request_queue *q = hctx->queue;
struct elevator_queue *e = q->elevator;
LIST_HEAD(rq_list);
+ int ret = 0;
do {
struct request *rq;
@@ -97,12 +103,25 @@ static void blk_mq_do_dispatch_sched(struct blk_mq_hw_ctx *hctx)
if (e->type->ops.has_work && !e->type->ops.has_work(hctx))
break;
+ if (!list_empty_careful(&hctx->dispatch)) {
+ ret = -EAGAIN;
+ break;
+ }
+
if (!blk_mq_get_dispatch_budget(hctx))
break;
rq = e->type->ops.dispatch_request(hctx);
if (!rq) {
blk_mq_put_dispatch_budget(hctx);
+ /*
+ * We're releasing without dispatching. Holding the
+ * budget could have blocked any "hctx"s with the
+ * same queue and if we didn't dispatch then there's
+ * no guarantee anyone will kick the queue. Kick it
+ * ourselves.
+ */
+ blk_mq_delay_run_hw_queues(q, BLK_MQ_BUDGET_DELAY);
break;
}
@@ -113,6 +132,8 @@ static void blk_mq_do_dispatch_sched(struct blk_mq_hw_ctx *hctx)
*/
list_add(&rq->queuelist, &rq_list);
} while (blk_mq_dispatch_rq_list(q, &rq_list, true));
+
+ return ret;
}
static struct blk_mq_ctx *blk_mq_next_ctx(struct blk_mq_hw_ctx *hctx,
@@ -130,16 +151,25 @@ static struct blk_mq_ctx *blk_mq_next_ctx(struct blk_mq_hw_ctx *hctx,
* Only SCSI implements .get_budget and .put_budget, and SCSI restarts
* its queue by itself in its completion handler, so we don't need to
* restart queue if .get_budget() returns BLK_STS_NO_RESOURCE.
+ *
+ * Returns -EAGAIN if hctx->dispatch was found non-empty and run_work has to
+ * to be run again. This is necessary to avoid starving flushes.
*/
-static void blk_mq_do_dispatch_ctx(struct blk_mq_hw_ctx *hctx)
+static int blk_mq_do_dispatch_ctx(struct blk_mq_hw_ctx *hctx)
{
struct request_queue *q = hctx->queue;
LIST_HEAD(rq_list);
struct blk_mq_ctx *ctx = READ_ONCE(hctx->dispatch_from);
+ int ret = 0;
do {
struct request *rq;
+ if (!list_empty_careful(&hctx->dispatch)) {
+ ret = -EAGAIN;
+ break;
+ }
+
if (!sbitmap_any_bit_set(&hctx->ctx_map))
break;
@@ -149,6 +179,14 @@ static void blk_mq_do_dispatch_ctx(struct blk_mq_hw_ctx *hctx)
rq = blk_mq_dequeue_from_ctx(hctx, ctx);
if (!rq) {
blk_mq_put_dispatch_budget(hctx);
+ /*
+ * We're releasing without dispatching. Holding the
+ * budget could have blocked any "hctx"s with the
+ * same queue and if we didn't dispatch then there's
+ * no guarantee anyone will kick the queue. Kick it
+ * ourselves.
+ */
+ blk_mq_delay_run_hw_queues(q, BLK_MQ_BUDGET_DELAY);
break;
}
@@ -165,21 +203,17 @@ static void blk_mq_do_dispatch_ctx(struct blk_mq_hw_ctx *hctx)
} while (blk_mq_dispatch_rq_list(q, &rq_list, true));
WRITE_ONCE(hctx->dispatch_from, ctx);
+ return ret;
}
-void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
+static int __blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
{
struct request_queue *q = hctx->queue;
struct elevator_queue *e = q->elevator;
const bool has_sched_dispatch = e && e->type->ops.dispatch_request;
+ int ret = 0;
LIST_HEAD(rq_list);
- /* RCU or SRCU read lock is needed before checking quiesced flag */
- if (unlikely(blk_mq_hctx_stopped(hctx) || blk_queue_quiesced(q)))
- return;
-
- hctx->run++;
-
/*
* If we have previous entries on our dispatch list, grab them first for
* more fair dispatch.
@@ -208,19 +242,41 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
blk_mq_sched_mark_restart_hctx(hctx);
if (blk_mq_dispatch_rq_list(q, &rq_list, false)) {
if (has_sched_dispatch)
- blk_mq_do_dispatch_sched(hctx);
+ ret = blk_mq_do_dispatch_sched(hctx);
else
- blk_mq_do_dispatch_ctx(hctx);
+ ret = blk_mq_do_dispatch_ctx(hctx);
}
} else if (has_sched_dispatch) {
- blk_mq_do_dispatch_sched(hctx);
+ ret = blk_mq_do_dispatch_sched(hctx);
} else if (hctx->dispatch_busy) {
/* dequeue request one by one from sw queue if queue is busy */
- blk_mq_do_dispatch_ctx(hctx);
+ ret = blk_mq_do_dispatch_ctx(hctx);
} else {
blk_mq_flush_busy_ctxs(hctx, &rq_list);
blk_mq_dispatch_rq_list(q, &rq_list, false);
}
+
+ return ret;
+}
+
+void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx)
+{
+ struct request_queue *q = hctx->queue;
+
+ /* RCU or SRCU read lock is needed before checking quiesced flag */
+ if (unlikely(blk_mq_hctx_stopped(hctx) || blk_queue_quiesced(q)))
+ return;
+
+ hctx->run++;
+
+ /*
+ * A return of -EAGAIN is an indication that hctx->dispatch is not
+ * empty and we must run again in order to avoid starving flushes.
+ */
+ if (__blk_mq_sched_dispatch_requests(hctx) == -EAGAIN) {
+ if (__blk_mq_sched_dispatch_requests(hctx) == -EAGAIN)
+ blk_mq_run_hw_queue(hctx, true);
+ }
}
bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio,
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 586c9d6e904a..96a39d0724a2 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -92,7 +92,7 @@ static int __blk_mq_get_tag(struct blk_mq_alloc_data *data,
{
if (!(data->flags & BLK_MQ_REQ_INTERNAL) &&
!hctx_may_queue(data->hctx, bt))
- return -1;
+ return BLK_MQ_NO_TAG;
if (data->shallow_depth)
return __sbitmap_queue_get_shallow(bt, data->shallow_depth);
else
@@ -111,7 +111,7 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
if (data->flags & BLK_MQ_REQ_RESERVED) {
if (unlikely(!tags->nr_reserved_tags)) {
WARN_ON_ONCE(1);
- return BLK_MQ_TAG_FAIL;
+ return BLK_MQ_NO_TAG;
}
bt = &tags->breserved_tags;
tag_offset = 0;
@@ -121,11 +121,11 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
}
tag = __blk_mq_get_tag(data, bt);
- if (tag != -1)
+ if (tag != BLK_MQ_NO_TAG)
goto found_tag;
if (data->flags & BLK_MQ_REQ_NOWAIT)
- return BLK_MQ_TAG_FAIL;
+ return BLK_MQ_NO_TAG;
ws = bt_wait_ptr(bt, data->hctx);
do {
@@ -143,13 +143,13 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
* as running the queue may also have found completions.
*/
tag = __blk_mq_get_tag(data, bt);
- if (tag != -1)
+ if (tag != BLK_MQ_NO_TAG)
break;
sbitmap_prepare_to_wait(bt, ws, &wait, TASK_UNINTERRUPTIBLE);
tag = __blk_mq_get_tag(data, bt);
- if (tag != -1)
+ if (tag != BLK_MQ_NO_TAG)
break;
bt_prev = bt;
@@ -180,6 +180,14 @@ unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data)
sbitmap_finish_wait(bt, ws, &wait);
found_tag:
+ /*
+ * Give up this allocation if the hctx is inactive. The caller will
+ * retry on an active hctx.
+ */
+ if (unlikely(test_bit(BLK_MQ_S_INACTIVE, &data->hctx->state))) {
+ blk_mq_put_tag(tags, data->ctx, tag + tag_offset);
+ return BLK_MQ_NO_TAG;
+ }
return tag + tag_offset;
}
@@ -256,14 +264,17 @@ struct bt_tags_iter_data {
struct blk_mq_tags *tags;
busy_tag_iter_fn *fn;
void *data;
- bool reserved;
+ unsigned int flags;
};
+#define BT_TAG_ITER_RESERVED (1 << 0)
+#define BT_TAG_ITER_STARTED (1 << 1)
+
static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
{
struct bt_tags_iter_data *iter_data = data;
struct blk_mq_tags *tags = iter_data->tags;
- bool reserved = iter_data->reserved;
+ bool reserved = iter_data->flags & BT_TAG_ITER_RESERVED;
struct request *rq;
if (!reserved)
@@ -274,10 +285,12 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
* test and set the bit before assining ->rqs[].
*/
rq = tags->rqs[bitnr];
- if (rq && blk_mq_request_started(rq))
- return iter_data->fn(rq, iter_data->data, reserved);
-
- return true;
+ if (!rq)
+ return true;
+ if ((iter_data->flags & BT_TAG_ITER_STARTED) &&
+ !blk_mq_request_started(rq))
+ return true;
+ return iter_data->fn(rq, iter_data->data, reserved);
}
/**
@@ -290,39 +303,47 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
* @reserved) where rq is a pointer to a request. Return true
* to continue iterating tags, false to stop.
* @data: Will be passed as second argument to @fn.
- * @reserved: Indicates whether @bt is the breserved_tags member or the
- * bitmap_tags member of struct blk_mq_tags.
+ * @flags: BT_TAG_ITER_*
*/
static void bt_tags_for_each(struct blk_mq_tags *tags, struct sbitmap_queue *bt,
- busy_tag_iter_fn *fn, void *data, bool reserved)
+ busy_tag_iter_fn *fn, void *data, unsigned int flags)
{
struct bt_tags_iter_data iter_data = {
.tags = tags,
.fn = fn,
.data = data,
- .reserved = reserved,
+ .flags = flags,
};
if (tags->rqs)
sbitmap_for_each_set(&bt->sb, bt_tags_iter, &iter_data);
}
+static void __blk_mq_all_tag_iter(struct blk_mq_tags *tags,
+ busy_tag_iter_fn *fn, void *priv, unsigned int flags)
+{
+ WARN_ON_ONCE(flags & BT_TAG_ITER_RESERVED);
+
+ if (tags->nr_reserved_tags)
+ bt_tags_for_each(tags, &tags->breserved_tags, fn, priv,
+ flags | BT_TAG_ITER_RESERVED);
+ bt_tags_for_each(tags, &tags->bitmap_tags, fn, priv, flags);
+}
+
/**
- * blk_mq_all_tag_busy_iter - iterate over all started requests in a tag map
+ * blk_mq_all_tag_iter - iterate over all requests in a tag map
* @tags: Tag map to iterate over.
- * @fn: Pointer to the function that will be called for each started
+ * @fn: Pointer to the function that will be called for each
* request. @fn will be called as follows: @fn(rq, @priv,
* reserved) where rq is a pointer to a request. 'reserved'
* indicates whether or not @rq is a reserved request. Return
* true to continue iterating tags, false to stop.
* @priv: Will be passed as second argument to @fn.
*/
-static void blk_mq_all_tag_busy_iter(struct blk_mq_tags *tags,
- busy_tag_iter_fn *fn, void *priv)
+void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
+ void *priv)
{
- if (tags->nr_reserved_tags)
- bt_tags_for_each(tags, &tags->breserved_tags, fn, priv, true);
- bt_tags_for_each(tags, &tags->bitmap_tags, fn, priv, false);
+ return __blk_mq_all_tag_iter(tags, fn, priv, 0);
}
/**
@@ -342,7 +363,8 @@ void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
for (i = 0; i < tagset->nr_hw_queues; i++) {
if (tagset->tags && tagset->tags[i])
- blk_mq_all_tag_busy_iter(tagset->tags[i], fn, priv);
+ __blk_mq_all_tag_iter(tagset->tags[i], fn, priv,
+ BT_TAG_ITER_STARTED);
}
}
EXPORT_SYMBOL(blk_mq_tagset_busy_iter);
diff --git a/block/blk-mq-tag.h b/block/blk-mq-tag.h
index 2b8321efb682..d38e48f2a0a4 100644
--- a/block/blk-mq-tag.h
+++ b/block/blk-mq-tag.h
@@ -34,6 +34,8 @@ extern int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
void *priv);
+void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
+ void *priv);
static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
struct blk_mq_hw_ctx *hctx)
@@ -44,9 +46,9 @@ static inline struct sbq_wait_state *bt_wait_ptr(struct sbitmap_queue *bt,
}
enum {
- BLK_MQ_TAG_FAIL = -1U,
+ BLK_MQ_NO_TAG = -1U,
BLK_MQ_TAG_MIN = 1,
- BLK_MQ_TAG_MAX = BLK_MQ_TAG_FAIL - 1,
+ BLK_MQ_TAG_MAX = BLK_MQ_NO_TAG - 1,
};
extern bool __blk_mq_tag_busy(struct blk_mq_hw_ctx *);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index a7785df2c944..9a36ac1c1fa1 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/crash_dump.h>
#include <linux/prefetch.h>
+#include <linux/blk-crypto.h>
#include <trace/events/block.h>
@@ -270,14 +271,14 @@ static inline bool blk_mq_need_time_stamp(struct request *rq)
}
static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
- unsigned int tag, unsigned int op, u64 alloc_time_ns)
+ unsigned int tag, u64 alloc_time_ns)
{
struct blk_mq_tags *tags = blk_mq_tags_from_data(data);
struct request *rq = tags->static_rqs[tag];
req_flags_t rq_flags = 0;
if (data->flags & BLK_MQ_REQ_INTERNAL) {
- rq->tag = -1;
+ rq->tag = BLK_MQ_NO_TAG;
rq->internal_tag = tag;
} else {
if (data->hctx->flags & BLK_MQ_F_TAG_SHARED) {
@@ -285,7 +286,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
atomic_inc(&data->hctx->nr_active);
}
rq->tag = tag;
- rq->internal_tag = -1;
+ rq->internal_tag = BLK_MQ_NO_TAG;
data->hctx->tags->rqs[rq->tag] = rq;
}
@@ -294,7 +295,7 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
rq->mq_ctx = data->ctx;
rq->mq_hctx = data->hctx;
rq->rq_flags = rq_flags;
- rq->cmd_flags = op;
+ rq->cmd_flags = data->cmd_flags;
if (data->flags & BLK_MQ_REQ_PREEMPT)
rq->rq_flags |= RQF_PREEMPT;
if (blk_queue_io_stat(data->q))
@@ -317,8 +318,8 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
#if defined(CONFIG_BLK_DEV_INTEGRITY)
rq->nr_integrity_segments = 0;
#endif
+ blk_crypto_rq_set_defaults(rq);
/* tag was already set */
- rq->extra_len = 0;
WRITE_ONCE(rq->deadline, 0);
rq->timeout = 0;
@@ -326,35 +327,37 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
rq->end_io = NULL;
rq->end_io_data = NULL;
- data->ctx->rq_dispatched[op_is_sync(op)]++;
+ data->ctx->rq_dispatched[op_is_sync(data->cmd_flags)]++;
refcount_set(&rq->ref, 1);
+
+ if (!op_is_flush(data->cmd_flags)) {
+ struct elevator_queue *e = data->q->elevator;
+
+ rq->elv.icq = NULL;
+ if (e && e->type->ops.prepare_request) {
+ if (e->type->icq_cache)
+ blk_mq_sched_assign_ioc(rq);
+
+ e->type->ops.prepare_request(rq);
+ rq->rq_flags |= RQF_ELVPRIV;
+ }
+ }
+
+ data->hctx->queued++;
return rq;
}
-static struct request *blk_mq_get_request(struct request_queue *q,
- struct bio *bio,
- struct blk_mq_alloc_data *data)
+static struct request *__blk_mq_alloc_request(struct blk_mq_alloc_data *data)
{
+ struct request_queue *q = data->q;
struct elevator_queue *e = q->elevator;
- struct request *rq;
- unsigned int tag;
- bool clear_ctx_on_error = false;
u64 alloc_time_ns = 0;
-
- blk_queue_enter_live(q);
+ unsigned int tag;
/* alloc_time includes depth and tag waits */
if (blk_queue_rq_alloc_time(q))
alloc_time_ns = ktime_get_ns();
- data->q = q;
- if (likely(!data->ctx)) {
- data->ctx = blk_mq_get_ctx(q);
- clear_ctx_on_error = true;
- }
- if (likely(!data->hctx))
- data->hctx = blk_mq_map_queue(q, data->cmd_flags,
- data->ctx);
if (data->cmd_flags & REQ_NOWAIT)
data->flags |= BLK_MQ_REQ_NOWAIT;
@@ -370,37 +373,43 @@ static struct request *blk_mq_get_request(struct request_queue *q,
e->type->ops.limit_depth &&
!(data->flags & BLK_MQ_REQ_RESERVED))
e->type->ops.limit_depth(data->cmd_flags, data);
- } else {
- blk_mq_tag_busy(data->hctx);
}
- tag = blk_mq_get_tag(data);
- if (tag == BLK_MQ_TAG_FAIL) {
- if (clear_ctx_on_error)
- data->ctx = NULL;
- blk_queue_exit(q);
- return NULL;
- }
+retry:
+ data->ctx = blk_mq_get_ctx(q);
+ data->hctx = blk_mq_map_queue(q, data->cmd_flags, data->ctx);
+ if (!(data->flags & BLK_MQ_REQ_INTERNAL))
+ blk_mq_tag_busy(data->hctx);
- rq = blk_mq_rq_ctx_init(data, tag, data->cmd_flags, alloc_time_ns);
- if (!op_is_flush(data->cmd_flags)) {
- rq->elv.icq = NULL;
- if (e && e->type->ops.prepare_request) {
- if (e->type->icq_cache)
- blk_mq_sched_assign_ioc(rq);
+ /*
+ * Waiting allocations only fail because of an inactive hctx. In that
+ * case just retry the hctx assignment and tag allocation as CPU hotplug
+ * should have migrated us to an online CPU by now.
+ */
+ tag = blk_mq_get_tag(data);
+ if (tag == BLK_MQ_NO_TAG) {
+ if (data->flags & BLK_MQ_REQ_NOWAIT)
+ return NULL;
- e->type->ops.prepare_request(rq, bio);
- rq->rq_flags |= RQF_ELVPRIV;
- }
+ /*
+ * Give up the CPU and sleep for a random short time to ensure
+ * that thread using a realtime scheduling class are migrated
+ * off the the CPU, and thus off the hctx that is going away.
+ */
+ msleep(3);
+ goto retry;
}
- data->hctx->queued++;
- return rq;
+ return blk_mq_rq_ctx_init(data, tag, alloc_time_ns);
}
struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op,
blk_mq_req_flags_t flags)
{
- struct blk_mq_alloc_data alloc_data = { .flags = flags, .cmd_flags = op };
+ struct blk_mq_alloc_data data = {
+ .q = q,
+ .flags = flags,
+ .cmd_flags = op,
+ };
struct request *rq;
int ret;
@@ -408,34 +417,43 @@ struct request *blk_mq_alloc_request(struct request_queue *q, unsigned int op,
if (ret)
return ERR_PTR(ret);
- rq = blk_mq_get_request(q, NULL, &alloc_data);
- blk_queue_exit(q);
-
+ rq = __blk_mq_alloc_request(&data);
if (!rq)
- return ERR_PTR(-EWOULDBLOCK);
-
+ goto out_queue_exit;
rq->__data_len = 0;
rq->__sector = (sector_t) -1;
rq->bio = rq->biotail = NULL;
return rq;
+out_queue_exit:
+ blk_queue_exit(q);
+ return ERR_PTR(-EWOULDBLOCK);
}
EXPORT_SYMBOL(blk_mq_alloc_request);
struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
unsigned int op, blk_mq_req_flags_t flags, unsigned int hctx_idx)
{
- struct blk_mq_alloc_data alloc_data = { .flags = flags, .cmd_flags = op };
- struct request *rq;
+ struct blk_mq_alloc_data data = {
+ .q = q,
+ .flags = flags,
+ .cmd_flags = op,
+ };
+ u64 alloc_time_ns = 0;
unsigned int cpu;
+ unsigned int tag;
int ret;
+ /* alloc_time includes depth and tag waits */
+ if (blk_queue_rq_alloc_time(q))
+ alloc_time_ns = ktime_get_ns();
+
/*
* If the tag allocator sleeps we could get an allocation for a
* different hardware context. No need to complicate the low level
* allocator for this for the rare use case of a command tied to
* a specific queue.
*/
- if (WARN_ON_ONCE(!(flags & BLK_MQ_REQ_NOWAIT)))
+ if (WARN_ON_ONCE(!(flags & (BLK_MQ_REQ_NOWAIT | BLK_MQ_REQ_RESERVED))))
return ERR_PTR(-EINVAL);
if (hctx_idx >= q->nr_hw_queues)
@@ -449,21 +467,27 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q,
* Check if the hardware context is actually mapped to anything.
* If not tell the caller that it should skip this queue.
*/
- alloc_data.hctx = q->queue_hw_ctx[hctx_idx];
- if (!blk_mq_hw_queue_mapped(alloc_data.hctx)) {
- blk_queue_exit(q);
- return ERR_PTR(-EXDEV);
- }
- cpu = cpumask_first_and(alloc_data.hctx->cpumask, cpu_online_mask);
- alloc_data.ctx = __blk_mq_get_ctx(q, cpu);
-
- rq = blk_mq_get_request(q, NULL, &alloc_data);
- blk_queue_exit(q);
+ ret = -EXDEV;
+ data.hctx = q->queue_hw_ctx[hctx_idx];
+ if (!blk_mq_hw_queue_mapped(data.hctx))
+ goto out_queue_exit;
+ cpu = cpumask_first_and(data.hctx->cpumask, cpu_online_mask);
+ data.ctx = __blk_mq_get_ctx(q, cpu);
+
+ if (q->elevator)
+ data.flags |= BLK_MQ_REQ_INTERNAL;
+ else
+ blk_mq_tag_busy(data.hctx);
- if (!rq)
- return ERR_PTR(-EWOULDBLOCK);
+ ret = -EWOULDBLOCK;
+ tag = blk_mq_get_tag(&data);
+ if (tag == BLK_MQ_NO_TAG)
+ goto out_queue_exit;
+ return blk_mq_rq_ctx_init(&data, tag, alloc_time_ns);
- return rq;
+out_queue_exit:
+ blk_queue_exit(q);
+ return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx);
@@ -474,11 +498,12 @@ static void __blk_mq_free_request(struct request *rq)
struct blk_mq_hw_ctx *hctx = rq->mq_hctx;
const int sched_tag = rq->internal_tag;
+ blk_crypto_free_request(rq);
blk_pm_mark_last_busy(rq);
rq->mq_hctx = NULL;
- if (rq->tag != -1)
+ if (rq->tag != BLK_MQ_NO_TAG)
blk_mq_put_tag(hctx->tags, ctx, rq->tag);
- if (sched_tag != -1)
+ if (sched_tag != BLK_MQ_NO_TAG)
blk_mq_put_tag(hctx->sched_tags, ctx, sched_tag);
blk_mq_sched_restart(hctx);
blk_queue_exit(q);
@@ -527,7 +552,7 @@ inline void __blk_mq_end_request(struct request *rq, blk_status_t error)
blk_stat_add(rq, now);
}
- if (rq->internal_tag != -1)
+ if (rq->internal_tag != BLK_MQ_NO_TAG)
blk_mq_sched_completed_request(rq, now);
blk_account_io_done(rq, now);
@@ -557,7 +582,17 @@ static void __blk_mq_complete_request_remote(void *data)
q->mq_ops->complete(rq);
}
-static void __blk_mq_complete_request(struct request *rq)
+/**
+ * blk_mq_force_complete_rq() - Force complete the request, bypassing any error
+ * injection that could drop the completion.
+ * @rq: Request to be force completed
+ *
+ * Drivers should use blk_mq_complete_request() to complete requests in their
+ * normal IO path. For timeout error recovery, drivers may call this forced
+ * completion routine after they've reclaimed timed out requests to bypass
+ * potentially subsequent fake timeouts.
+ */
+void blk_mq_force_complete_rq(struct request *rq)
{
struct blk_mq_ctx *ctx = rq->mq_ctx;
struct request_queue *q = rq->q;
@@ -603,6 +638,7 @@ static void __blk_mq_complete_request(struct request *rq)
}
put_cpu();
}
+EXPORT_SYMBOL_GPL(blk_mq_force_complete_rq);
static void hctx_unlock(struct blk_mq_hw_ctx *hctx, int srcu_idx)
__releases(hctx->srcu)
@@ -636,7 +672,7 @@ bool blk_mq_complete_request(struct request *rq)
{
if (unlikely(blk_should_fake_timeout(rq->q)))
return false;
- __blk_mq_complete_request(rq);
+ blk_mq_force_complete_rq(rq);
return true;
}
EXPORT_SYMBOL(blk_mq_complete_request);
@@ -667,15 +703,6 @@ void blk_mq_start_request(struct request *rq)
blk_add_timer(rq);
WRITE_ONCE(rq->state, MQ_RQ_IN_FLIGHT);
- if (q->dma_drain_size && blk_rq_bytes(rq)) {
- /*
- * Make sure space for the drain appears. We know we can do
- * this because max_hw_segments has been adjusted to be one
- * fewer than the device can handle.
- */
- rq->nr_phys_segments++;
- }
-
#ifdef CONFIG_BLK_DEV_INTEGRITY
if (blk_integrity_rq(rq) && req_op(rq) == REQ_OP_WRITE)
q->integrity.profile->prepare_fn(rq);
@@ -695,8 +722,6 @@ static void __blk_mq_requeue_request(struct request *rq)
if (blk_mq_request_started(rq)) {
WRITE_ONCE(rq->state, MQ_RQ_IDLE);
rq->rq_flags &= ~RQF_TIMED_OUT;
- if (q->dma_drain_size && blk_rq_bytes(rq))
- rq->nr_phys_segments--;
}
}
@@ -1037,7 +1062,7 @@ bool blk_mq_get_driver_tag(struct request *rq)
};
bool shared;
- if (rq->tag != -1)
+ if (rq->tag != BLK_MQ_NO_TAG)
return true;
if (blk_mq_tag_is_reserved(data.hctx->sched_tags, rq->internal_tag))
@@ -1053,7 +1078,7 @@ bool blk_mq_get_driver_tag(struct request *rq)
data.hctx->tags->rqs[rq->tag] = rq;
}
- return rq->tag != -1;
+ return rq->tag != BLK_MQ_NO_TAG;
}
static int blk_mq_dispatch_wake(wait_queue_entry_t *wait, unsigned mode,
@@ -1195,6 +1220,19 @@ static void blk_mq_handle_dev_resource(struct request *rq,
__blk_mq_requeue_request(rq);
}
+static void blk_mq_handle_zone_resource(struct request *rq,
+ struct list_head *zone_list)
+{
+ /*
+ * If we end up here it is because we cannot dispatch a request to a
+ * specific zone due to LLD level zone-write locking or other zone
+ * related resource not being available. In this case, set the request
+ * aside in zone_list for retrying it later.
+ */
+ list_add(&rq->queuelist, zone_list);
+ __blk_mq_requeue_request(rq);
+}
+
/*
* Returns true if we did some work AND can potentially do more.
*/
@@ -1206,6 +1244,8 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
bool no_tag = false;
int errors, queued;
blk_status_t ret = BLK_STS_OK;
+ bool no_budget_avail = false;
+ LIST_HEAD(zone_list);
if (list_empty(list))
return false;
@@ -1224,6 +1264,7 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
hctx = rq->mq_hctx;
if (!got_budget && !blk_mq_get_dispatch_budget(hctx)) {
blk_mq_put_driver_tag(rq);
+ no_budget_avail = true;
break;
}
@@ -1266,6 +1307,16 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
if (ret == BLK_STS_RESOURCE || ret == BLK_STS_DEV_RESOURCE) {
blk_mq_handle_dev_resource(rq, list);
break;
+ } else if (ret == BLK_STS_ZONE_RESOURCE) {
+ /*
+ * Move the request to zone_list and keep going through
+ * the dispatch list to find more requests the drive can
+ * accept.
+ */
+ blk_mq_handle_zone_resource(rq, &zone_list);
+ if (list_empty(list))
+ break;
+ continue;
}
if (unlikely(ret != BLK_STS_OK)) {
@@ -1277,6 +1328,9 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
queued++;
} while (!list_empty(list));
+ if (!list_empty(&zone_list))
+ list_splice_tail_init(&zone_list, list);
+
hctx->dispatched[queued_to_index(queued)]++;
/*
@@ -1320,13 +1374,15 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
*
* If driver returns BLK_STS_RESOURCE and SCHED_RESTART
* bit is set, run queue after a delay to avoid IO stalls
- * that could otherwise occur if the queue is idle.
+ * that could otherwise occur if the queue is idle. We'll do
+ * similar if we couldn't get budget and SCHED_RESTART is set.
*/
needs_restart = blk_mq_sched_needs_restart(hctx);
if (!needs_restart ||
(no_tag && list_empty_careful(&hctx->dispatch_wait.entry)))
blk_mq_run_hw_queue(hctx, true);
- else if (needs_restart && (ret == BLK_STS_RESOURCE))
+ else if (needs_restart && (ret == BLK_STS_RESOURCE ||
+ no_budget_avail))
blk_mq_delay_run_hw_queue(hctx, BLK_MQ_RESOURCE_DELAY);
blk_mq_update_dispatch_busy(hctx, true);
@@ -1542,6 +1598,25 @@ void blk_mq_run_hw_queues(struct request_queue *q, bool async)
EXPORT_SYMBOL(blk_mq_run_hw_queues);
/**
+ * blk_mq_delay_run_hw_queues - Run all hardware queues asynchronously.
+ * @q: Pointer to the request queue to run.
+ * @msecs: Microseconds of delay to wait before running the queues.
+ */
+void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs)
+{
+ struct blk_mq_hw_ctx *hctx;
+ int i;
+
+ queue_for_each_hw_ctx(q, hctx, i) {
+ if (blk_mq_hctx_stopped(hctx))
+ continue;
+
+ blk_mq_delay_run_hw_queue(hctx, msecs);
+ }
+}
+EXPORT_SYMBOL(blk_mq_delay_run_hw_queues);
+
+/**
* blk_mq_queue_stopped() - check whether one or more hctxs have been stopped
* @q: request queue.
*
@@ -1782,8 +1857,9 @@ static void blk_mq_bio_to_request(struct request *rq, struct bio *bio,
rq->__sector = bio->bi_iter.bi_sector;
rq->write_hint = bio->bi_write_hint;
blk_rq_bio_prep(rq, bio, nr_segs);
+ blk_crypto_rq_bio_prep(rq, bio, GFP_NOIO);
- blk_account_io_start(rq, true);
+ blk_account_io_start(rq);
}
static blk_status_t __blk_mq_issue_directly(struct blk_mq_hw_ctx *hctx,
@@ -1973,39 +2049,42 @@ static void blk_add_rq_to_plug(struct blk_plug *plug, struct request *rq)
*
* Returns: Request queue cookie.
*/
-static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
+blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
{
const int is_sync = op_is_sync(bio->bi_opf);
const int is_flush_fua = op_is_flush(bio->bi_opf);
- struct blk_mq_alloc_data data = { .flags = 0};
+ struct blk_mq_alloc_data data = {
+ .q = q,
+ };
struct request *rq;
struct blk_plug *plug;
struct request *same_queue_rq = NULL;
unsigned int nr_segs;
blk_qc_t cookie;
+ blk_status_t ret;
blk_queue_bounce(q, &bio);
__blk_queue_split(q, &bio, &nr_segs);
if (!bio_integrity_prep(bio))
- return BLK_QC_T_NONE;
+ goto queue_exit;
if (!is_flush_fua && !blk_queue_nomerges(q) &&
blk_attempt_plug_merge(q, bio, nr_segs, &same_queue_rq))
- return BLK_QC_T_NONE;
+ goto queue_exit;
if (blk_mq_sched_bio_merge(q, bio, nr_segs))
- return BLK_QC_T_NONE;
+ goto queue_exit;
rq_qos_throttle(q, bio);
data.cmd_flags = bio->bi_opf;
- rq = blk_mq_get_request(q, bio, &data);
+ rq = __blk_mq_alloc_request(&data);
if (unlikely(!rq)) {
rq_qos_cleanup(q, bio);
if (bio->bi_opf & REQ_NOWAIT)
bio_wouldblock_error(bio);
- return BLK_QC_T_NONE;
+ goto queue_exit;
}
trace_block_getrq(q, bio, bio->bi_opf);
@@ -2016,6 +2095,14 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
blk_mq_bio_to_request(rq, bio, nr_segs);
+ ret = blk_crypto_init_request(rq);
+ if (ret != BLK_STS_OK) {
+ bio->bi_status = ret;
+ bio_endio(bio);
+ blk_mq_free_request(rq);
+ return BLK_QC_T_NONE;
+ }
+
plug = blk_mq_plug(q, bio);
if (unlikely(is_flush_fua)) {
/* Bypass scheduler for flush requests */
@@ -2084,7 +2171,11 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio)
}
return cookie;
+queue_exit:
+ blk_queue_exit(q);
+ return BLK_QC_T_NONE;
}
+EXPORT_SYMBOL_GPL(blk_mq_make_request); /* only for request based dm */
void blk_mq_free_rqs(struct blk_mq_tag_set *set, struct blk_mq_tags *tags,
unsigned int hctx_idx)
@@ -2260,6 +2351,86 @@ fail:
return -ENOMEM;
}
+struct rq_iter_data {
+ struct blk_mq_hw_ctx *hctx;
+ bool has_rq;
+};
+
+static bool blk_mq_has_request(struct request *rq, void *data, bool reserved)
+{
+ struct rq_iter_data *iter_data = data;
+
+ if (rq->mq_hctx != iter_data->hctx)
+ return true;
+ iter_data->has_rq = true;
+ return false;
+}
+
+static bool blk_mq_hctx_has_requests(struct blk_mq_hw_ctx *hctx)
+{
+ struct blk_mq_tags *tags = hctx->sched_tags ?
+ hctx->sched_tags : hctx->tags;
+ struct rq_iter_data data = {
+ .hctx = hctx,
+ };
+
+ blk_mq_all_tag_iter(tags, blk_mq_has_request, &data);
+ return data.has_rq;
+}
+
+static inline bool blk_mq_last_cpu_in_hctx(unsigned int cpu,
+ struct blk_mq_hw_ctx *hctx)
+{
+ if (cpumask_next_and(-1, hctx->cpumask, cpu_online_mask) != cpu)
+ return false;
+ if (cpumask_next_and(cpu, hctx->cpumask, cpu_online_mask) < nr_cpu_ids)
+ return false;
+ return true;
+}
+
+static int blk_mq_hctx_notify_offline(unsigned int cpu, struct hlist_node *node)
+{
+ struct blk_mq_hw_ctx *hctx = hlist_entry_safe(node,
+ struct blk_mq_hw_ctx, cpuhp_online);
+
+ if (!cpumask_test_cpu(cpu, hctx->cpumask) ||
+ !blk_mq_last_cpu_in_hctx(cpu, hctx))
+ return 0;
+
+ /*
+ * Prevent new request from being allocated on the current hctx.
+ *
+ * The smp_mb__after_atomic() Pairs with the implied barrier in
+ * test_and_set_bit_lock in sbitmap_get(). Ensures the inactive flag is
+ * seen once we return from the tag allocator.
+ */
+ set_bit(BLK_MQ_S_INACTIVE, &hctx->state);
+ smp_mb__after_atomic();
+
+ /*
+ * Try to grab a reference to the queue and wait for any outstanding
+ * requests. If we could not grab a reference the queue has been
+ * frozen and there are no requests.
+ */
+ if (percpu_ref_tryget(&hctx->queue->q_usage_counter)) {
+ while (blk_mq_hctx_has_requests(hctx))
+ msleep(5);
+ percpu_ref_put(&hctx->queue->q_usage_counter);
+ }
+
+ return 0;
+}
+
+static int blk_mq_hctx_notify_online(unsigned int cpu, struct hlist_node *node)
+{
+ struct blk_mq_hw_ctx *hctx = hlist_entry_safe(node,
+ struct blk_mq_hw_ctx, cpuhp_online);
+
+ if (cpumask_test_cpu(cpu, hctx->cpumask))
+ clear_bit(BLK_MQ_S_INACTIVE, &hctx->state);
+ return 0;
+}
+
/*
* 'cpu' is going away. splice any existing rq_list entries from this
* software queue to the hw queue dispatch list, and ensure that it
@@ -2273,6 +2444,9 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
enum hctx_type type;
hctx = hlist_entry_safe(node, struct blk_mq_hw_ctx, cpuhp_dead);
+ if (!cpumask_test_cpu(cpu, hctx->cpumask))
+ return 0;
+
ctx = __blk_mq_get_ctx(hctx->queue, cpu);
type = hctx->type;
@@ -2296,6 +2470,9 @@ static int blk_mq_hctx_notify_dead(unsigned int cpu, struct hlist_node *node)
static void blk_mq_remove_cpuhp(struct blk_mq_hw_ctx *hctx)
{
+ if (!(hctx->flags & BLK_MQ_F_STACKING))
+ cpuhp_state_remove_instance_nocalls(CPUHP_AP_BLK_MQ_ONLINE,
+ &hctx->cpuhp_online);
cpuhp_state_remove_instance_nocalls(CPUHP_BLK_MQ_DEAD,
&hctx->cpuhp_dead);
}
@@ -2355,6 +2532,9 @@ static int blk_mq_init_hctx(struct request_queue *q,
{
hctx->queue_num = hctx_idx;
+ if (!(hctx->flags & BLK_MQ_F_STACKING))
+ cpuhp_state_add_instance_nocalls(CPUHP_AP_BLK_MQ_ONLINE,
+ &hctx->cpuhp_online);
cpuhp_state_add_instance_nocalls(CPUHP_BLK_MQ_DEAD, &hctx->cpuhp_dead);
hctx->tags = set->tags[hctx_idx];
@@ -2473,7 +2653,8 @@ static void blk_mq_init_cpu_queues(struct request_queue *q,
}
}
-static bool __blk_mq_alloc_rq_map(struct blk_mq_tag_set *set, int hctx_idx)
+static bool __blk_mq_alloc_map_and_request(struct blk_mq_tag_set *set,
+ int hctx_idx)
{
int ret = 0;
@@ -2521,18 +2702,6 @@ static void blk_mq_map_swqueue(struct request_queue *q)
* If the cpu isn't present, the cpu is mapped to first hctx.
*/
for_each_possible_cpu(i) {
- hctx_idx = set->map[HCTX_TYPE_DEFAULT].mq_map[i];
- /* unmapped hw queue can be remapped after CPU topo changed */
- if (!set->tags[hctx_idx] &&
- !__blk_mq_alloc_rq_map(set, hctx_idx)) {
- /*
- * If tags initialization fail for some hctx,
- * that hctx won't be brought online. In this
- * case, remap the current ctx to hctx[0] which
- * is guaranteed to always have tags allocated
- */
- set->map[HCTX_TYPE_DEFAULT].mq_map[i] = 0;
- }
ctx = per_cpu_ptr(q->queue_ctx, i);
for (j = 0; j < set->nr_maps; j++) {
@@ -2541,6 +2710,18 @@ static void blk_mq_map_swqueue(struct request_queue *q)
HCTX_TYPE_DEFAULT, i);
continue;
}
+ hctx_idx = set->map[j].mq_map[i];
+ /* unmapped hw queue can be remapped after CPU topo changed */
+ if (!set->tags[hctx_idx] &&
+ !__blk_mq_alloc_map_and_request(set, hctx_idx)) {
+ /*
+ * If tags initialization fail for some hctx,
+ * that hctx won't be brought online. In this
+ * case, remap the current ctx to hctx[0] which
+ * is guaranteed to always have tags allocated
+ */
+ set->map[j].mq_map[i] = 0;
+ }
hctx = blk_mq_map_queue_type(q, j, i);
ctx->hctxs[j] = hctx;
@@ -2944,7 +3125,6 @@ struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set,
INIT_LIST_HEAD(&q->requeue_list);
spin_lock_init(&q->requeue_lock);
- q->make_request_fn = blk_mq_make_request;
q->nr_requests = set->queue_depth;
/*
@@ -2988,14 +3168,14 @@ static int __blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
int i;
for (i = 0; i < set->nr_hw_queues; i++)
- if (!__blk_mq_alloc_rq_map(set, i))
+ if (!__blk_mq_alloc_map_and_request(set, i))
goto out_unwind;
return 0;
out_unwind:
while (--i >= 0)
- blk_mq_free_rq_map(set->tags[i]);
+ blk_mq_free_map_and_requests(set, i);
return -ENOMEM;
}
@@ -3005,7 +3185,7 @@ out_unwind:
* may reduce the depth asked for, if memory is tight. set->queue_depth
* will be updated to reflect the allocated depth.
*/
-static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
+static int blk_mq_alloc_map_and_requests(struct blk_mq_tag_set *set)
{
unsigned int depth;
int err;
@@ -3165,7 +3345,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
if (ret)
goto out_free_mq_map;
- ret = blk_mq_alloc_rq_maps(set);
+ ret = blk_mq_alloc_map_and_requests(set);
if (ret)
goto out_free_mq_map;
@@ -3347,14 +3527,14 @@ static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set,
blk_mq_sysfs_unregister(q);
}
+ prev_nr_hw_queues = set->nr_hw_queues;
if (blk_mq_realloc_tag_set_tags(set, set->nr_hw_queues, nr_hw_queues) <
0)
goto reregister;
- prev_nr_hw_queues = set->nr_hw_queues;
set->nr_hw_queues = nr_hw_queues;
- blk_mq_update_queue_map(set);
fallback:
+ blk_mq_update_queue_map(set);
list_for_each_entry(q, &set->tag_list, tag_set_list) {
blk_mq_realloc_hw_ctxs(set, q);
if (q->nr_hw_queues != set->nr_hw_queues) {
@@ -3609,6 +3789,9 @@ static int __init blk_mq_init(void)
{
cpuhp_setup_state_multi(CPUHP_BLK_MQ_DEAD, "block/mq:dead", NULL,
blk_mq_hctx_notify_dead);
+ cpuhp_setup_state_multi(CPUHP_AP_BLK_MQ_ONLINE, "block/mq:online",
+ blk_mq_hctx_notify_online,
+ blk_mq_hctx_notify_offline);
return 0;
}
subsys_initcall(blk_mq_init);
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 10bfdfb494fa..a139b0631817 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -201,7 +201,7 @@ static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx,
struct request *rq)
{
blk_mq_put_tag(hctx->tags, rq->mq_ctx, rq->tag);
- rq->tag = -1;
+ rq->tag = BLK_MQ_NO_TAG;
if (rq->rq_flags & RQF_MQ_INFLIGHT) {
rq->rq_flags &= ~RQF_MQ_INFLIGHT;
@@ -211,7 +211,7 @@ static inline void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx,
static inline void blk_mq_put_driver_tag(struct request *rq)
{
- if (rq->tag == -1 || rq->internal_tag == -1)
+ if (rq->tag == BLK_MQ_NO_TAG || rq->internal_tag == BLK_MQ_NO_TAG)
return;
__blk_mq_put_driver_tag(rq->mq_hctx, rq);
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 14397b4c4b53..9a2c23cd9700 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -48,6 +48,7 @@ void blk_set_default_limits(struct queue_limits *lim)
lim->chunk_sectors = 0;
lim->max_write_same_sectors = 0;
lim->max_write_zeroes_sectors = 0;
+ lim->max_zone_append_sectors = 0;
lim->max_discard_sectors = 0;
lim->max_hw_discard_sectors = 0;
lim->discard_granularity = 0;
@@ -83,6 +84,7 @@ void blk_set_stacking_limits(struct queue_limits *lim)
lim->max_dev_sectors = UINT_MAX;
lim->max_write_same_sectors = UINT_MAX;
lim->max_write_zeroes_sectors = UINT_MAX;
+ lim->max_zone_append_sectors = UINT_MAX;
}
EXPORT_SYMBOL(blk_set_stacking_limits);
@@ -222,6 +224,33 @@ void blk_queue_max_write_zeroes_sectors(struct request_queue *q,
EXPORT_SYMBOL(blk_queue_max_write_zeroes_sectors);
/**
+ * blk_queue_max_zone_append_sectors - set max sectors for a single zone append
+ * @q: the request queue for the device
+ * @max_zone_append_sectors: maximum number of sectors to write per command
+ **/
+void blk_queue_max_zone_append_sectors(struct request_queue *q,
+ unsigned int max_zone_append_sectors)
+{
+ unsigned int max_sectors;
+
+ if (WARN_ON(!blk_queue_is_zoned(q)))
+ return;
+
+ max_sectors = min(q->limits.max_hw_sectors, max_zone_append_sectors);
+ max_sectors = min(q->limits.chunk_sectors, max_sectors);
+
+ /*
+ * Signal eventual driver bugs resulting in the max_zone_append sectors limit
+ * being 0 due to a 0 argument, the chunk_sectors limit (zone size) not set,
+ * or the max_hw_sectors limit not set.
+ */
+ WARN_ON(!max_sectors);
+
+ q->limits.max_zone_append_sectors = max_sectors;
+}
+EXPORT_SYMBOL_GPL(blk_queue_max_zone_append_sectors);
+
+/**
* blk_queue_max_segments - set max hw segments for a request for this queue
* @q: the request queue for the device
* @max_segments: max number of segments
@@ -470,6 +499,8 @@ int blk_stack_limits(struct queue_limits *t, struct queue_limits *b,
b->max_write_same_sectors);
t->max_write_zeroes_sectors = min(t->max_write_zeroes_sectors,
b->max_write_zeroes_sectors);
+ t->max_zone_append_sectors = min(t->max_zone_append_sectors,
+ b->max_zone_append_sectors);
t->bounce_pfn = min_not_zero(t->bounce_pfn, b->bounce_pfn);
t->seg_boundary_mask = min_not_zero(t->seg_boundary_mask,
@@ -652,43 +683,6 @@ void blk_queue_update_dma_pad(struct request_queue *q, unsigned int mask)
EXPORT_SYMBOL(blk_queue_update_dma_pad);
/**
- * blk_queue_dma_drain - Set up a drain buffer for excess dma.
- * @q: the request queue for the device
- * @dma_drain_needed: fn which returns non-zero if drain is necessary
- * @buf: physically contiguous buffer
- * @size: size of the buffer in bytes
- *
- * Some devices have excess DMA problems and can't simply discard (or
- * zero fill) the unwanted piece of the transfer. They have to have a
- * real area of memory to transfer it into. The use case for this is
- * ATAPI devices in DMA mode. If the packet command causes a transfer
- * bigger than the transfer size some HBAs will lock up if there
- * aren't DMA elements to contain the excess transfer. What this API
- * does is adjust the queue so that the buf is always appended
- * silently to the scatterlist.
- *
- * Note: This routine adjusts max_hw_segments to make room for appending
- * the drain buffer. If you call blk_queue_max_segments() after calling
- * this routine, you must set the limit to one fewer than your device
- * can support otherwise there won't be room for the drain buffer.
- */
-int blk_queue_dma_drain(struct request_queue *q,
- dma_drain_needed_fn *dma_drain_needed,
- void *buf, unsigned int size)
-{
- if (queue_max_segments(q) < 2)
- return -EINVAL;
- /* make room for appending the drain */
- blk_queue_max_segments(q, queue_max_segments(q) - 1);
- q->dma_drain_needed = dma_drain_needed;
- q->dma_drain_buffer = buf;
- q->dma_drain_size = size;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(blk_queue_dma_drain);
-
-/**
* blk_queue_segment_boundary - set boundary rules for segment merging
* @q: the request queue for the device
* @mask: the memory boundary mask
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index fca9b158f4a0..02643e149d5e 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -218,6 +218,13 @@ static ssize_t queue_write_zeroes_max_show(struct request_queue *q, char *page)
(unsigned long long)q->limits.max_write_zeroes_sectors << 9);
}
+static ssize_t queue_zone_append_max_show(struct request_queue *q, char *page)
+{
+ unsigned long long max_sectors = q->limits.max_zone_append_sectors;
+
+ return sprintf(page, "%llu\n", max_sectors << SECTOR_SHIFT);
+}
+
static ssize_t
queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
{
@@ -639,6 +646,11 @@ static struct queue_sysfs_entry queue_write_zeroes_max_entry = {
.show = queue_write_zeroes_max_show,
};
+static struct queue_sysfs_entry queue_zone_append_max_entry = {
+ .attr = {.name = "zone_append_max_bytes", .mode = 0444 },
+ .show = queue_zone_append_max_show,
+};
+
static struct queue_sysfs_entry queue_nonrot_entry = {
.attr = {.name = "rotational", .mode = 0644 },
.show = queue_show_nonrot,
@@ -749,6 +761,7 @@ static struct attribute *queue_attrs[] = {
&queue_discard_zeroes_data_entry.attr,
&queue_write_same_max_entry.attr,
&queue_write_zeroes_max_entry.attr,
+ &queue_zone_append_max_entry.attr,
&queue_nonrot_entry.attr,
&queue_zoned_entry.attr,
&queue_nr_zones_entry.attr,
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 98233c9c65a8..209fdd8939fb 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2358,69 +2358,6 @@ void blk_throtl_bio_endio(struct bio *bio)
}
#endif
-/*
- * Dispatch all bios from all children tg's queued on @parent_sq. On
- * return, @parent_sq is guaranteed to not have any active children tg's
- * and all bios from previously active tg's are on @parent_sq->bio_lists[].
- */
-static void tg_drain_bios(struct throtl_service_queue *parent_sq)
-{
- struct throtl_grp *tg;
-
- while ((tg = throtl_rb_first(parent_sq))) {
- struct throtl_service_queue *sq = &tg->service_queue;
- struct bio *bio;
-
- throtl_dequeue_tg(tg);
-
- while ((bio = throtl_peek_queued(&sq->queued[READ])))
- tg_dispatch_one_bio(tg, bio_data_dir(bio));
- while ((bio = throtl_peek_queued(&sq->queued[WRITE])))
- tg_dispatch_one_bio(tg, bio_data_dir(bio));
- }
-}
-
-/**
- * blk_throtl_drain - drain throttled bios
- * @q: request_queue to drain throttled bios for
- *
- * Dispatch all currently throttled bios on @q through ->make_request_fn().
- */
-void blk_throtl_drain(struct request_queue *q)
- __releases(&q->queue_lock) __acquires(&q->queue_lock)
-{
- struct throtl_data *td = q->td;
- struct blkcg_gq *blkg;
- struct cgroup_subsys_state *pos_css;
- struct bio *bio;
- int rw;
-
- rcu_read_lock();
-
- /*
- * Drain each tg while doing post-order walk on the blkg tree, so
- * that all bios are propagated to td->service_queue. It'd be
- * better to walk service_queue tree directly but blkg walk is
- * easier.
- */
- blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg)
- tg_drain_bios(&blkg_to_tg(blkg)->service_queue);
-
- /* finally, transfer bios from top-level tg's into the td */
- tg_drain_bios(&td->service_queue);
-
- rcu_read_unlock();
- spin_unlock_irq(&q->queue_lock);
-
- /* all bios now should be in td->service_queue, issue them */
- for (rw = READ; rw <= WRITE; rw++)
- while ((bio = throtl_pop_queued(&td->service_queue.queued[rw],
- NULL)))
- generic_make_request(bio);
-
- spin_lock_irq(&q->queue_lock);
-}
-
int blk_throtl_init(struct request_queue *q)
{
struct throtl_data *td;
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 9cb082f38b93..0fa615eefd52 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -405,7 +405,7 @@ static void wb_timer_fn(struct blk_stat_callback *cb)
rwb_arm_timer(rwb);
}
-static void __wbt_update_limits(struct rq_wb *rwb)
+static void wbt_update_limits(struct rq_wb *rwb)
{
struct rq_depth *rqd = &rwb->rq_depth;
@@ -418,14 +418,6 @@ static void __wbt_update_limits(struct rq_wb *rwb)
rwb_wake_all(rwb);
}
-void wbt_update_limits(struct request_queue *q)
-{
- struct rq_qos *rqos = wbt_rq_qos(q);
- if (!rqos)
- return;
- __wbt_update_limits(RQWB(rqos));
-}
-
u64 wbt_get_min_lat(struct request_queue *q)
{
struct rq_qos *rqos = wbt_rq_qos(q);
@@ -441,7 +433,7 @@ void wbt_set_min_lat(struct request_queue *q, u64 val)
return;
RQWB(rqos)->min_lat_nsec = val;
RQWB(rqos)->enable_state = WBT_STATE_ON_MANUAL;
- __wbt_update_limits(RQWB(rqos));
+ wbt_update_limits(RQWB(rqos));
}
@@ -685,7 +677,7 @@ static int wbt_data_dir(const struct request *rq)
static void wbt_queue_depth_changed(struct rq_qos *rqos)
{
RQWB(rqos)->rq_depth.queue_depth = blk_queue_depth(rqos->q);
- __wbt_update_limits(RQWB(rqos));
+ wbt_update_limits(RQWB(rqos));
}
static void wbt_exit(struct rq_qos *rqos)
@@ -843,7 +835,7 @@ int wbt_init(struct request_queue *q)
rwb->enable_state = WBT_STATE_ON_DEFAULT;
rwb->wc = 1;
rwb->rq_depth.default_depth = RWB_DEF_DEPTH;
- __wbt_update_limits(rwb);
+ wbt_update_limits(rwb);
/*
* Assign rwb and add the stats callback.
diff --git a/block/blk-wbt.h b/block/blk-wbt.h
index 8e4e37660971..16bdc85b8df9 100644
--- a/block/blk-wbt.h
+++ b/block/blk-wbt.h
@@ -88,7 +88,6 @@ static inline unsigned int wbt_inflight(struct rq_wb *rwb)
#ifdef CONFIG_BLK_WBT
int wbt_init(struct request_queue *);
-void wbt_update_limits(struct request_queue *);
void wbt_disable_default(struct request_queue *);
void wbt_enable_default(struct request_queue *);
@@ -108,9 +107,6 @@ static inline int wbt_init(struct request_queue *q)
{
return -EINVAL;
}
-static inline void wbt_update_limits(struct request_queue *q)
-{
-}
static inline void wbt_disable_default(struct request_queue *q)
{
}
diff --git a/block/blk-zoned.c b/block/blk-zoned.c
index f87956e0dcaf..23831fa8701d 100644
--- a/block/blk-zoned.c
+++ b/block/blk-zoned.c
@@ -82,6 +82,20 @@ bool blk_req_needs_zone_write_lock(struct request *rq)
}
EXPORT_SYMBOL_GPL(blk_req_needs_zone_write_lock);
+bool blk_req_zone_write_trylock(struct request *rq)
+{
+ unsigned int zno = blk_rq_zone_no(rq);
+
+ if (test_and_set_bit(zno, rq->q->seq_zones_wlock))
+ return false;
+
+ WARN_ON_ONCE(rq->rq_flags & RQF_ZONE_WRITE_LOCKED);
+ rq->rq_flags |= RQF_ZONE_WRITE_LOCKED;
+
+ return true;
+}
+EXPORT_SYMBOL_GPL(blk_req_zone_write_trylock);
+
void __blk_req_zone_write_lock(struct request *rq)
{
if (WARN_ON_ONCE(test_and_set_bit(blk_rq_zone_no(rq),
@@ -457,14 +471,19 @@ static int blk_revalidate_zone_cb(struct blk_zone *zone, unsigned int idx,
/**
* blk_revalidate_disk_zones - (re)allocate and initialize zone bitmaps
* @disk: Target disk
+ * @update_driver_data: Callback to update driver data on the frozen disk
*
* Helper function for low-level device drivers to (re) allocate and initialize
* a disk request queue zone bitmaps. This functions should normally be called
* within the disk ->revalidate method for blk-mq based drivers. For BIO based
* drivers only q->nr_zones needs to be updated so that the sysfs exposed value
* is correct.
+ * If the @update_driver_data callback function is not NULL, the callback is
+ * executed with the device request queue frozen after all zones have been
+ * checked.
*/
-int blk_revalidate_disk_zones(struct gendisk *disk)
+int blk_revalidate_disk_zones(struct gendisk *disk,
+ void (*update_driver_data)(struct gendisk *disk))
{
struct request_queue *q = disk->queue;
struct blk_revalidate_zone_args args = {
@@ -498,6 +517,8 @@ int blk_revalidate_disk_zones(struct gendisk *disk)
q->nr_zones = args.nr_zones;
swap(q->seq_zones_wlock, args.seq_zones_wlock);
swap(q->conv_zones_bitmap, args.conv_zones_bitmap);
+ if (update_driver_data)
+ update_driver_data(disk);
ret = 0;
} else {
pr_warn("%s: failed to revalidate zones\n", disk->disk_name);
diff --git a/block/blk.h b/block/blk.h
index 0a94ec68af32..aa16e524dc35 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -5,7 +5,9 @@
#include <linux/idr.h>
#include <linux/blk-mq.h>
#include <linux/part_stat.h>
+#include <linux/blk-crypto.h>
#include <xen/xen.h>
+#include "blk-crypto-internal.h"
#include "blk-mq.h"
#include "blk-mq-sched.h"
@@ -17,7 +19,6 @@ extern struct dentry *blk_debugfs_root;
#endif
struct blk_flush_queue {
- unsigned int flush_queue_delayed:1;
unsigned int flush_pending_idx:1;
unsigned int flush_running_idx:1;
blk_status_t rq_status;
@@ -62,17 +63,6 @@ void blk_free_flush_queue(struct blk_flush_queue *q);
void blk_freeze_queue(struct request_queue *q);
-static inline void blk_queue_enter_live(struct request_queue *q)
-{
- /*
- * Given that running in generic_make_request() context
- * guarantees that a live reference against q_usage_counter has
- * been established, further references under that same context
- * need not check that the queue has been frozen (marked dead).
- */
- percpu_ref_get(&q->q_usage_counter);
-}
-
static inline bool biovec_phys_mergeable(struct request_queue *q,
struct bio_vec *vec1, struct bio_vec *vec2)
{
@@ -195,8 +185,7 @@ bool bio_attempt_discard_merge(struct request_queue *q, struct request *req,
bool blk_attempt_plug_merge(struct request_queue *q, struct bio *bio,
unsigned int nr_segs, struct request **same_queue_rq);
-void blk_account_io_start(struct request *req, bool new_io);
-void blk_account_io_completion(struct request *req, unsigned int bytes);
+void blk_account_io_start(struct request *req);
void blk_account_io_done(struct request *req, u64 now);
/*
@@ -303,36 +292,14 @@ void ioc_clear_queue(struct request_queue *q);
int create_task_io_context(struct task_struct *task, gfp_t gfp_mask, int node);
-/**
- * create_io_context - try to create task->io_context
- * @gfp_mask: allocation mask
- * @node: allocation node
- *
- * If %current->io_context is %NULL, allocate a new io_context and install
- * it. Returns the current %current->io_context which may be %NULL if
- * allocation failed.
- *
- * Note that this function can't be called with IRQ disabled because
- * task_lock which protects %current->io_context is IRQ-unsafe.
- */
-static inline struct io_context *create_io_context(gfp_t gfp_mask, int node)
-{
- WARN_ON_ONCE(irqs_disabled());
- if (unlikely(!current->io_context))
- create_task_io_context(current, gfp_mask, node);
- return current->io_context;
-}
-
/*
* Internal throttling interface
*/
#ifdef CONFIG_BLK_DEV_THROTTLING
-extern void blk_throtl_drain(struct request_queue *q);
extern int blk_throtl_init(struct request_queue *q);
extern void blk_throtl_exit(struct request_queue *q);
extern void blk_throtl_register_queue(struct request_queue *q);
#else /* CONFIG_BLK_DEV_THROTTLING */
-static inline void blk_throtl_drain(struct request_queue *q) { }
static inline int blk_throtl_init(struct request_queue *q) { return 0; }
static inline void blk_throtl_exit(struct request_queue *q) { }
static inline void blk_throtl_register_queue(struct request_queue *q) { }
@@ -375,11 +342,6 @@ void blk_queue_free_zone_bitmaps(struct request_queue *q);
static inline void blk_queue_free_zone_bitmaps(struct request_queue *q) {}
#endif
-void part_dec_in_flight(struct request_queue *q, struct hd_struct *part,
- int rw);
-void part_inc_in_flight(struct request_queue *q, struct hd_struct *part,
- int rw);
-void update_io_ticks(struct hd_struct *part, unsigned long now, bool end);
struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector);
int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
@@ -389,44 +351,32 @@ char *disk_name(struct gendisk *hd, int partno, char *buf);
#define ADDPART_FLAG_NONE 0
#define ADDPART_FLAG_RAID 1
#define ADDPART_FLAG_WHOLEDISK 2
-struct hd_struct *__must_check add_partition(struct gendisk *disk, int partno,
- sector_t start, sector_t len, int flags,
- struct partition_meta_info *info);
-void __delete_partition(struct percpu_ref *ref);
-void delete_partition(struct gendisk *disk, int partno);
+void delete_partition(struct gendisk *disk, struct hd_struct *part);
+int bdev_add_partition(struct block_device *bdev, int partno,
+ sector_t start, sector_t length);
+int bdev_del_partition(struct block_device *bdev, int partno);
+int bdev_resize_partition(struct block_device *bdev, int partno,
+ sector_t start, sector_t length);
int disk_expand_part_tbl(struct gendisk *disk, int target);
+int hd_ref_init(struct hd_struct *part);
-static inline int hd_ref_init(struct hd_struct *part)
-{
- if (percpu_ref_init(&part->ref, __delete_partition, 0,
- GFP_KERNEL))
- return -ENOMEM;
- return 0;
-}
-
-static inline void hd_struct_get(struct hd_struct *part)
-{
- percpu_ref_get(&part->ref);
-}
-
+/* no need to get/put refcount of part0 */
static inline int hd_struct_try_get(struct hd_struct *part)
{
- return percpu_ref_tryget_live(&part->ref);
+ if (part->partno)
+ return percpu_ref_tryget_live(&part->ref);
+ return 1;
}
static inline void hd_struct_put(struct hd_struct *part)
{
- percpu_ref_put(&part->ref);
-}
-
-static inline void hd_struct_kill(struct hd_struct *part)
-{
- percpu_ref_kill(&part->ref);
+ if (part->partno)
+ percpu_ref_put(&part->ref);
}
static inline void hd_free_part(struct hd_struct *part)
{
- free_part_stats(part);
+ free_percpu(part->dkstats);
kfree(part->info);
percpu_ref_exit(&part->ref);
}
@@ -484,8 +434,8 @@ static inline void part_nr_sects_write(struct hd_struct *part, sector_t size)
struct request_queue *__blk_alloc_queue(int node_id);
-int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
+int bio_add_hw_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset,
- bool *same_page);
+ unsigned int max_sectors, bool *same_page);
#endif /* BLK_INTERNAL_H */
diff --git a/block/bounce.c b/block/bounce.c
index f8ed677a1bf7..c3aaed070124 100644
--- a/block/bounce.c
+++ b/block/bounce.c
@@ -267,6 +267,8 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask,
break;
}
+ bio_crypt_clone(bio, bio_src, gfp_mask);
+
if (bio_integrity(bio_src)) {
int ret;
diff --git a/block/genhd.c b/block/genhd.c
index 06b642b23a07..1a7659327664 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -92,7 +92,6 @@ const char *bdevname(struct block_device *bdev, char *buf)
}
EXPORT_SYMBOL(bdevname);
-#ifdef CONFIG_SMP
static void part_stat_read_all(struct hd_struct *part, struct disk_stats *stat)
{
int cpu;
@@ -112,44 +111,13 @@ static void part_stat_read_all(struct hd_struct *part, struct disk_stats *stat)
stat->io_ticks += ptr->io_ticks;
}
}
-#else /* CONFIG_SMP */
-static void part_stat_read_all(struct hd_struct *part, struct disk_stats *stat)
-{
- memcpy(stat, &part->dkstats, sizeof(struct disk_stats));
-}
-#endif /* CONFIG_SMP */
-
-void part_inc_in_flight(struct request_queue *q, struct hd_struct *part, int rw)
-{
- if (queue_is_mq(q))
- return;
-
- part_stat_local_inc(part, in_flight[rw]);
- if (part->partno)
- part_stat_local_inc(&part_to_disk(part)->part0, in_flight[rw]);
-}
-
-void part_dec_in_flight(struct request_queue *q, struct hd_struct *part, int rw)
-{
- if (queue_is_mq(q))
- return;
-
- part_stat_local_dec(part, in_flight[rw]);
- if (part->partno)
- part_stat_local_dec(&part_to_disk(part)->part0, in_flight[rw]);
-}
static unsigned int part_in_flight(struct request_queue *q,
struct hd_struct *part)
{
+ unsigned int inflight = 0;
int cpu;
- unsigned int inflight;
- if (queue_is_mq(q)) {
- return blk_mq_in_flight(q, part);
- }
-
- inflight = 0;
for_each_possible_cpu(cpu) {
inflight += part_stat_local_read_cpu(part, in_flight[0], cpu) +
part_stat_local_read_cpu(part, in_flight[1], cpu);
@@ -165,11 +133,6 @@ static void part_in_flight_rw(struct request_queue *q, struct hd_struct *part,
{
int cpu;
- if (queue_is_mq(q)) {
- blk_mq_in_flight_rw(q, part, inflight);
- return;
- }
-
inflight[0] = 0;
inflight[1] = 0;
for_each_possible_cpu(cpu) {
@@ -344,11 +307,13 @@ static inline int sector_in_part(struct hd_struct *part, sector_t sector)
* primarily used for stats accounting.
*
* CONTEXT:
- * RCU read locked. The returned partition pointer is valid only
- * while preemption is disabled.
+ * RCU read locked. The returned partition pointer is always valid
+ * because its refcount is grabbed except for part0, which lifetime
+ * is same with the disk.
*
* RETURNS:
* Found partition on success, part0 is returned if no partition matches
+ * or the matched partition is being deleted.
*/
struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector)
{
@@ -356,21 +321,33 @@ struct hd_struct *disk_map_sector_rcu(struct gendisk *disk, sector_t sector)
struct hd_struct *part;
int i;
+ rcu_read_lock();
ptbl = rcu_dereference(disk->part_tbl);
part = rcu_dereference(ptbl->last_lookup);
- if (part && sector_in_part(part, sector))
- return part;
+ if (part && sector_in_part(part, sector) && hd_struct_try_get(part))
+ goto out_unlock;
for (i = 1; i < ptbl->len; i++) {
part = rcu_dereference(ptbl->part[i]);
if (part && sector_in_part(part, sector)) {
+ /*
+ * only live partition can be cached for lookup,
+ * so use-after-free on cached & deleting partition
+ * can be avoided
+ */
+ if (!hd_struct_try_get(part))
+ break;
rcu_assign_pointer(ptbl->last_lookup, part);
- return part;
+ goto out_unlock;
}
}
- return &disk->part0;
+
+ part = &disk->part0;
+out_unlock:
+ rcu_read_unlock();
+ return part;
}
/**
@@ -840,13 +817,15 @@ static void __device_add_disk(struct device *parent, struct gendisk *disk,
disk->flags |= GENHD_FL_SUPPRESS_PARTITION_INFO;
disk->flags |= GENHD_FL_NO_PART_SCAN;
} else {
+ struct backing_dev_info *bdi = disk->queue->backing_dev_info;
+ struct device *dev = disk_to_dev(disk);
int ret;
/* Register BDI before referencing it from bdev */
- disk_to_dev(disk)->devt = devt;
- ret = bdi_register_owner(disk->queue->backing_dev_info,
- disk_to_dev(disk));
+ dev->devt = devt;
+ ret = bdi_register(bdi, "%u:%u", MAJOR(devt), MINOR(devt));
WARN_ON(ret);
+ bdi_set_owner(bdi, dev);
blk_register_region(disk_devt(disk), disk->minors, NULL,
exact_match, exact_lock, disk);
}
@@ -878,6 +857,25 @@ void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk)
}
EXPORT_SYMBOL(device_add_disk_no_queue_reg);
+static void invalidate_partition(struct gendisk *disk, int partno)
+{
+ struct block_device *bdev;
+
+ bdev = bdget_disk(disk, partno);
+ if (!bdev)
+ return;
+
+ fsync_bdev(bdev);
+ __invalidate_device(bdev, true);
+
+ /*
+ * Unhash the bdev inode for this device so that it gets evicted as soon
+ * as last inode reference is dropped.
+ */
+ remove_inode_hash(bdev->bd_inode);
+ bdput(bdev);
+}
+
void del_gendisk(struct gendisk *disk)
{
struct disk_part_iter piter;
@@ -896,13 +894,11 @@ void del_gendisk(struct gendisk *disk)
DISK_PITER_INCL_EMPTY | DISK_PITER_REVERSE);
while ((part = disk_part_iter_next(&piter))) {
invalidate_partition(disk, part->partno);
- bdev_unhash_inode(part_devt(part));
- delete_partition(disk, part->partno);
+ delete_partition(disk, part);
}
disk_part_iter_exit(&piter);
invalidate_partition(disk, 0);
- bdev_unhash_inode(disk_devt(disk));
set_capacity(disk, 0);
disk->flags &= ~GENHD_FL_UP;
up_write(&disk->lookup_sem);
@@ -1279,7 +1275,10 @@ ssize_t part_stat_show(struct device *dev,
unsigned int inflight;
part_stat_read_all(p, &stat);
- inflight = part_in_flight(q, p);
+ if (queue_is_mq(q))
+ inflight = blk_mq_in_flight(q, p);
+ else
+ inflight = part_in_flight(q, p);
return sprintf(buf,
"%8lu %8lu %8llu %8u "
@@ -1318,7 +1317,11 @@ ssize_t part_inflight_show(struct device *dev, struct device_attribute *attr,
struct request_queue *q = part_to_disk(p)->queue;
unsigned int inflight[2];
- part_in_flight_rw(q, p, inflight);
+ if (queue_is_mq(q))
+ blk_mq_in_flight_rw(q, p, inflight);
+ else
+ part_in_flight_rw(q, p, inflight);
+
return sprintf(buf, "%8u %8u\n", inflight[0], inflight[1]);
}
@@ -1573,7 +1576,10 @@ static int diskstats_show(struct seq_file *seqf, void *v)
disk_part_iter_init(&piter, gp, DISK_PITER_INCL_EMPTY_PART0);
while ((hd = disk_part_iter_next(&piter))) {
part_stat_read_all(hd, &stat);
- inflight = part_in_flight(gp->queue, hd);
+ if (queue_is_mq(gp->queue))
+ inflight = blk_mq_in_flight(gp->queue, hd);
+ else
+ inflight = part_in_flight(gp->queue, hd);
seq_printf(seqf, "%4d %7d %s "
"%lu %lu %lu %u "
@@ -1680,14 +1686,15 @@ struct gendisk *__alloc_disk_node(int minors, int node_id)
disk = kzalloc_node(sizeof(struct gendisk), GFP_KERNEL, node_id);
if (disk) {
- if (!init_part_stats(&disk->part0)) {
+ disk->part0.dkstats = alloc_percpu(struct disk_stats);
+ if (!disk->part0.dkstats) {
kfree(disk);
return NULL;
}
init_rwsem(&disk->lookup_sem);
disk->node_id = node_id;
if (disk_expand_part_tbl(disk, 0)) {
- free_part_stats(&disk->part0);
+ free_percpu(disk->part0.dkstats);
kfree(disk);
return NULL;
}
@@ -1703,7 +1710,7 @@ struct gendisk *__alloc_disk_node(int minors, int node_id)
* TODO: Ideally set_capacity() and get_capacity() should be
* converted to make use of bd_mutex and sequence counters.
*/
- seqcount_init(&disk->part0.nr_sects_seq);
+ hd_sects_seq_init(&disk->part0);
if (hd_ref_init(&disk->part0)) {
hd_free_part(&disk->part0);
kfree(disk);
@@ -1806,20 +1813,6 @@ int bdev_read_only(struct block_device *bdev)
EXPORT_SYMBOL(bdev_read_only);
-int invalidate_partition(struct gendisk *disk, int partno)
-{
- int res = 0;
- struct block_device *bdev = bdget_disk(disk, partno);
- if (bdev) {
- fsync_bdev(bdev);
- res = __invalidate_device(bdev, true);
- bdput(bdev);
- }
- return res;
-}
-
-EXPORT_SYMBOL(invalidate_partition);
-
/*
* Disk events - monitor disk events like media change and eject request.
*/
diff --git a/block/ioctl.c b/block/ioctl.c
index 6e827de1a4c4..bdb3bbb253d9 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -16,142 +16,44 @@
static int blkpg_do_ioctl(struct block_device *bdev,
struct blkpg_partition __user *upart, int op)
{
- struct block_device *bdevp;
- struct gendisk *disk;
- struct hd_struct *part, *lpart;
struct blkpg_partition p;
- struct disk_part_iter piter;
long long start, length;
- int partno;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
if (copy_from_user(&p, upart, sizeof(struct blkpg_partition)))
return -EFAULT;
- disk = bdev->bd_disk;
if (bdev != bdev->bd_contains)
return -EINVAL;
- partno = p.pno;
- if (partno <= 0)
+
+ if (p.pno <= 0)
return -EINVAL;
+
+ if (op == BLKPG_DEL_PARTITION)
+ return bdev_del_partition(bdev, p.pno);
+
+ start = p.start >> SECTOR_SHIFT;
+ length = p.length >> SECTOR_SHIFT;
+
+ /* check for fit in a hd_struct */
+ if (sizeof(sector_t) < sizeof(long long)) {
+ long pstart = start, plength = length;
+
+ if (pstart != start || plength != length || pstart < 0 ||
+ plength < 0 || p.pno > 65535)
+ return -EINVAL;
+ }
+
switch (op) {
- case BLKPG_ADD_PARTITION:
- start = p.start >> 9;
- length = p.length >> 9;
- /* check for fit in a hd_struct */
- if (sizeof(sector_t) == sizeof(long) &&
- sizeof(long long) > sizeof(long)) {
- long pstart = start, plength = length;
- if (pstart != start || plength != length
- || pstart < 0 || plength < 0 || partno > 65535)
- return -EINVAL;
- }
- /* check if partition is aligned to blocksize */
- if (p.start & (bdev_logical_block_size(bdev) - 1))
- return -EINVAL;
-
- mutex_lock(&bdev->bd_mutex);
-
- /* overlap? */
- disk_part_iter_init(&piter, disk,
- DISK_PITER_INCL_EMPTY);
- while ((part = disk_part_iter_next(&piter))) {
- if (!(start + length <= part->start_sect ||
- start >= part->start_sect + part->nr_sects)) {
- disk_part_iter_exit(&piter);
- mutex_unlock(&bdev->bd_mutex);
- return -EBUSY;
- }
- }
- disk_part_iter_exit(&piter);
-
- /* all seems OK */
- part = add_partition(disk, partno, start, length,
- ADDPART_FLAG_NONE, NULL);
- mutex_unlock(&bdev->bd_mutex);
- return PTR_ERR_OR_ZERO(part);
- case BLKPG_DEL_PARTITION:
- part = disk_get_part(disk, partno);
- if (!part)
- return -ENXIO;
-
- bdevp = bdget(part_devt(part));
- disk_put_part(part);
- if (!bdevp)
- return -ENOMEM;
-
- mutex_lock(&bdevp->bd_mutex);
- if (bdevp->bd_openers) {
- mutex_unlock(&bdevp->bd_mutex);
- bdput(bdevp);
- return -EBUSY;
- }
- /* all seems OK */
- fsync_bdev(bdevp);
- invalidate_bdev(bdevp);
-
- mutex_lock_nested(&bdev->bd_mutex, 1);
- delete_partition(disk, partno);
- mutex_unlock(&bdev->bd_mutex);
- mutex_unlock(&bdevp->bd_mutex);
- bdput(bdevp);
-
- return 0;
- case BLKPG_RESIZE_PARTITION:
- start = p.start >> 9;
- /* new length of partition in bytes */
- length = p.length >> 9;
- /* check for fit in a hd_struct */
- if (sizeof(sector_t) == sizeof(long) &&
- sizeof(long long) > sizeof(long)) {
- long pstart = start, plength = length;
- if (pstart != start || plength != length
- || pstart < 0 || plength < 0)
- return -EINVAL;
- }
- part = disk_get_part(disk, partno);
- if (!part)
- return -ENXIO;
- bdevp = bdget(part_devt(part));
- if (!bdevp) {
- disk_put_part(part);
- return -ENOMEM;
- }
- mutex_lock(&bdevp->bd_mutex);
- mutex_lock_nested(&bdev->bd_mutex, 1);
- if (start != part->start_sect) {
- mutex_unlock(&bdevp->bd_mutex);
- mutex_unlock(&bdev->bd_mutex);
- bdput(bdevp);
- disk_put_part(part);
- return -EINVAL;
- }
- /* overlap? */
- disk_part_iter_init(&piter, disk,
- DISK_PITER_INCL_EMPTY);
- while ((lpart = disk_part_iter_next(&piter))) {
- if (lpart->partno != partno &&
- !(start + length <= lpart->start_sect ||
- start >= lpart->start_sect + lpart->nr_sects)
- ) {
- disk_part_iter_exit(&piter);
- mutex_unlock(&bdevp->bd_mutex);
- mutex_unlock(&bdev->bd_mutex);
- bdput(bdevp);
- disk_put_part(part);
- return -EBUSY;
- }
- }
- disk_part_iter_exit(&piter);
- part_nr_sects_write(part, (sector_t)length);
- i_size_write(bdevp->bd_inode, p.length);
- mutex_unlock(&bdevp->bd_mutex);
- mutex_unlock(&bdev->bd_mutex);
- bdput(bdevp);
- disk_put_part(part);
- return 0;
- default:
+ case BLKPG_ADD_PARTITION:
+ /* check if partition is aligned to blocksize */
+ if (p.start & (bdev_logical_block_size(bdev) - 1))
return -EINVAL;
+ return bdev_add_partition(bdev, p.pno, start, length);
+ case BLKPG_RESIZE_PARTITION:
+ return bdev_resize_partition(bdev, p.pno, start, length);
+ default:
+ return -EINVAL;
}
}
@@ -302,12 +204,12 @@ static int put_u64(u64 __user *argp, u64 val)
}
#ifdef CONFIG_COMPAT
-static int compat_put_long(compat_long_t *argp, long val)
+static int compat_put_long(compat_long_t __user *argp, long val)
{
return put_user(val, argp);
}
-static int compat_put_ulong(compat_ulong_t *argp, compat_ulong_t val)
+static int compat_put_ulong(compat_ulong_t __user *argp, compat_ulong_t val)
{
return put_user(val, argp);
}
diff --git a/block/keyslot-manager.c b/block/keyslot-manager.c
new file mode 100644
index 000000000000..c2ef41b3147b
--- /dev/null
+++ b/block/keyslot-manager.c
@@ -0,0 +1,397 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 Google LLC
+ */
+
+/**
+ * DOC: The Keyslot Manager
+ *
+ * Many devices with inline encryption support have a limited number of "slots"
+ * into which encryption contexts may be programmed, and requests can be tagged
+ * with a slot number to specify the key to use for en/decryption.
+ *
+ * As the number of slots is limited, and programming keys is expensive on
+ * many inline encryption hardware, we don't want to program the same key into
+ * multiple slots - if multiple requests are using the same key, we want to
+ * program just one slot with that key and use that slot for all requests.
+ *
+ * The keyslot manager manages these keyslots appropriately, and also acts as
+ * an abstraction between the inline encryption hardware and the upper layers.
+ *
+ * Lower layer devices will set up a keyslot manager in their request queue
+ * and tell it how to perform device specific operations like programming/
+ * evicting keys from keyslots.
+ *
+ * Upper layers will call blk_ksm_get_slot_for_key() to program a
+ * key into some slot in the inline encryption hardware.
+ */
+
+#define pr_fmt(fmt) "blk-crypto: " fmt
+
+#include <linux/keyslot-manager.h>
+#include <linux/atomic.h>
+#include <linux/mutex.h>
+#include <linux/pm_runtime.h>
+#include <linux/wait.h>
+#include <linux/blkdev.h>
+
+struct blk_ksm_keyslot {
+ atomic_t slot_refs;
+ struct list_head idle_slot_node;
+ struct hlist_node hash_node;
+ const struct blk_crypto_key *key;
+ struct blk_keyslot_manager *ksm;
+};
+
+static inline void blk_ksm_hw_enter(struct blk_keyslot_manager *ksm)
+{
+ /*
+ * Calling into the driver requires ksm->lock held and the device
+ * resumed. But we must resume the device first, since that can acquire
+ * and release ksm->lock via blk_ksm_reprogram_all_keys().
+ */
+ if (ksm->dev)
+ pm_runtime_get_sync(ksm->dev);
+ down_write(&ksm->lock);
+}
+
+static inline void blk_ksm_hw_exit(struct blk_keyslot_manager *ksm)
+{
+ up_write(&ksm->lock);
+ if (ksm->dev)
+ pm_runtime_put_sync(ksm->dev);
+}
+
+/**
+ * blk_ksm_init() - Initialize a keyslot manager
+ * @ksm: The keyslot_manager to initialize.
+ * @num_slots: The number of key slots to manage.
+ *
+ * Allocate memory for keyslots and initialize a keyslot manager. Called by
+ * e.g. storage drivers to set up a keyslot manager in their request_queue.
+ *
+ * Return: 0 on success, or else a negative error code.
+ */
+int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots)
+{
+ unsigned int slot;
+ unsigned int i;
+ unsigned int slot_hashtable_size;
+
+ memset(ksm, 0, sizeof(*ksm));
+
+ if (num_slots == 0)
+ return -EINVAL;
+
+ ksm->slots = kvcalloc(num_slots, sizeof(ksm->slots[0]), GFP_KERNEL);
+ if (!ksm->slots)
+ return -ENOMEM;
+
+ ksm->num_slots = num_slots;
+
+ init_rwsem(&ksm->lock);
+
+ init_waitqueue_head(&ksm->idle_slots_wait_queue);
+ INIT_LIST_HEAD(&ksm->idle_slots);
+
+ for (slot = 0; slot < num_slots; slot++) {
+ ksm->slots[slot].ksm = ksm;
+ list_add_tail(&ksm->slots[slot].idle_slot_node,
+ &ksm->idle_slots);
+ }
+
+ spin_lock_init(&ksm->idle_slots_lock);
+
+ slot_hashtable_size = roundup_pow_of_two(num_slots);
+ ksm->log_slot_ht_size = ilog2(slot_hashtable_size);
+ ksm->slot_hashtable = kvmalloc_array(slot_hashtable_size,
+ sizeof(ksm->slot_hashtable[0]),
+ GFP_KERNEL);
+ if (!ksm->slot_hashtable)
+ goto err_destroy_ksm;
+ for (i = 0; i < slot_hashtable_size; i++)
+ INIT_HLIST_HEAD(&ksm->slot_hashtable[i]);
+
+ return 0;
+
+err_destroy_ksm:
+ blk_ksm_destroy(ksm);
+ return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_init);
+
+static inline struct hlist_head *
+blk_ksm_hash_bucket_for_key(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key)
+{
+ return &ksm->slot_hashtable[hash_ptr(key, ksm->log_slot_ht_size)];
+}
+
+static void blk_ksm_remove_slot_from_lru_list(struct blk_ksm_keyslot *slot)
+{
+ struct blk_keyslot_manager *ksm = slot->ksm;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ksm->idle_slots_lock, flags);
+ list_del(&slot->idle_slot_node);
+ spin_unlock_irqrestore(&ksm->idle_slots_lock, flags);
+}
+
+static struct blk_ksm_keyslot *blk_ksm_find_keyslot(
+ struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key)
+{
+ const struct hlist_head *head = blk_ksm_hash_bucket_for_key(ksm, key);
+ struct blk_ksm_keyslot *slotp;
+
+ hlist_for_each_entry(slotp, head, hash_node) {
+ if (slotp->key == key)
+ return slotp;
+ }
+ return NULL;
+}
+
+static struct blk_ksm_keyslot *blk_ksm_find_and_grab_keyslot(
+ struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key)
+{
+ struct blk_ksm_keyslot *slot;
+
+ slot = blk_ksm_find_keyslot(ksm, key);
+ if (!slot)
+ return NULL;
+ if (atomic_inc_return(&slot->slot_refs) == 1) {
+ /* Took first reference to this slot; remove it from LRU list */
+ blk_ksm_remove_slot_from_lru_list(slot);
+ }
+ return slot;
+}
+
+unsigned int blk_ksm_get_slot_idx(struct blk_ksm_keyslot *slot)
+{
+ return slot - slot->ksm->slots;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_get_slot_idx);
+
+/**
+ * blk_ksm_get_slot_for_key() - Program a key into a keyslot.
+ * @ksm: The keyslot manager to program the key into.
+ * @key: Pointer to the key object to program, including the raw key, crypto
+ * mode, and data unit size.
+ * @slot_ptr: A pointer to return the pointer of the allocated keyslot.
+ *
+ * Get a keyslot that's been programmed with the specified key. If one already
+ * exists, return it with incremented refcount. Otherwise, wait for a keyslot
+ * to become idle and program it.
+ *
+ * Context: Process context. Takes and releases ksm->lock.
+ * Return: BLK_STS_OK on success (and keyslot is set to the pointer of the
+ * allocated keyslot), or some other blk_status_t otherwise (and
+ * keyslot is set to NULL).
+ */
+blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ struct blk_ksm_keyslot **slot_ptr)
+{
+ struct blk_ksm_keyslot *slot;
+ int slot_idx;
+ int err;
+
+ *slot_ptr = NULL;
+ down_read(&ksm->lock);
+ slot = blk_ksm_find_and_grab_keyslot(ksm, key);
+ up_read(&ksm->lock);
+ if (slot)
+ goto success;
+
+ for (;;) {
+ blk_ksm_hw_enter(ksm);
+ slot = blk_ksm_find_and_grab_keyslot(ksm, key);
+ if (slot) {
+ blk_ksm_hw_exit(ksm);
+ goto success;
+ }
+
+ /*
+ * If we're here, that means there wasn't a slot that was
+ * already programmed with the key. So try to program it.
+ */
+ if (!list_empty(&ksm->idle_slots))
+ break;
+
+ blk_ksm_hw_exit(ksm);
+ wait_event(ksm->idle_slots_wait_queue,
+ !list_empty(&ksm->idle_slots));
+ }
+
+ slot = list_first_entry(&ksm->idle_slots, struct blk_ksm_keyslot,
+ idle_slot_node);
+ slot_idx = blk_ksm_get_slot_idx(slot);
+
+ err = ksm->ksm_ll_ops.keyslot_program(ksm, key, slot_idx);
+ if (err) {
+ wake_up(&ksm->idle_slots_wait_queue);
+ blk_ksm_hw_exit(ksm);
+ return errno_to_blk_status(err);
+ }
+
+ /* Move this slot to the hash list for the new key. */
+ if (slot->key)
+ hlist_del(&slot->hash_node);
+ slot->key = key;
+ hlist_add_head(&slot->hash_node, blk_ksm_hash_bucket_for_key(ksm, key));
+
+ atomic_set(&slot->slot_refs, 1);
+
+ blk_ksm_remove_slot_from_lru_list(slot);
+
+ blk_ksm_hw_exit(ksm);
+success:
+ *slot_ptr = slot;
+ return BLK_STS_OK;
+}
+
+/**
+ * blk_ksm_put_slot() - Release a reference to a slot
+ * @slot: The keyslot to release the reference of.
+ *
+ * Context: Any context.
+ */
+void blk_ksm_put_slot(struct blk_ksm_keyslot *slot)
+{
+ struct blk_keyslot_manager *ksm;
+ unsigned long flags;
+
+ if (!slot)
+ return;
+
+ ksm = slot->ksm;
+
+ if (atomic_dec_and_lock_irqsave(&slot->slot_refs,
+ &ksm->idle_slots_lock, flags)) {
+ list_add_tail(&slot->idle_slot_node, &ksm->idle_slots);
+ spin_unlock_irqrestore(&ksm->idle_slots_lock, flags);
+ wake_up(&ksm->idle_slots_wait_queue);
+ }
+}
+
+/**
+ * blk_ksm_crypto_cfg_supported() - Find out if a crypto configuration is
+ * supported by a ksm.
+ * @ksm: The keyslot manager to check
+ * @cfg: The crypto configuration to check for.
+ *
+ * Checks for crypto_mode/data unit size/dun bytes support.
+ *
+ * Return: Whether or not this ksm supports the specified crypto config.
+ */
+bool blk_ksm_crypto_cfg_supported(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_config *cfg)
+{
+ if (!ksm)
+ return false;
+ if (!(ksm->crypto_modes_supported[cfg->crypto_mode] &
+ cfg->data_unit_size))
+ return false;
+ if (ksm->max_dun_bytes_supported < cfg->dun_bytes)
+ return false;
+ return true;
+}
+
+/**
+ * blk_ksm_evict_key() - Evict a key from the lower layer device.
+ * @ksm: The keyslot manager to evict from
+ * @key: The key to evict
+ *
+ * Find the keyslot that the specified key was programmed into, and evict that
+ * slot from the lower layer device. The slot must not be in use by any
+ * in-flight IO when this function is called.
+ *
+ * Context: Process context. Takes and releases ksm->lock.
+ * Return: 0 on success or if there's no keyslot with the specified key, -EBUSY
+ * if the keyslot is still in use, or another -errno value on other
+ * error.
+ */
+int blk_ksm_evict_key(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key)
+{
+ struct blk_ksm_keyslot *slot;
+ int err = 0;
+
+ blk_ksm_hw_enter(ksm);
+ slot = blk_ksm_find_keyslot(ksm, key);
+ if (!slot)
+ goto out_unlock;
+
+ if (WARN_ON_ONCE(atomic_read(&slot->slot_refs) != 0)) {
+ err = -EBUSY;
+ goto out_unlock;
+ }
+ err = ksm->ksm_ll_ops.keyslot_evict(ksm, key,
+ blk_ksm_get_slot_idx(slot));
+ if (err)
+ goto out_unlock;
+
+ hlist_del(&slot->hash_node);
+ slot->key = NULL;
+ err = 0;
+out_unlock:
+ blk_ksm_hw_exit(ksm);
+ return err;
+}
+
+/**
+ * blk_ksm_reprogram_all_keys() - Re-program all keyslots.
+ * @ksm: The keyslot manager
+ *
+ * Re-program all keyslots that are supposed to have a key programmed. This is
+ * intended only for use by drivers for hardware that loses its keys on reset.
+ *
+ * Context: Process context. Takes and releases ksm->lock.
+ */
+void blk_ksm_reprogram_all_keys(struct blk_keyslot_manager *ksm)
+{
+ unsigned int slot;
+
+ /* This is for device initialization, so don't resume the device */
+ down_write(&ksm->lock);
+ for (slot = 0; slot < ksm->num_slots; slot++) {
+ const struct blk_crypto_key *key = ksm->slots[slot].key;
+ int err;
+
+ if (!key)
+ continue;
+
+ err = ksm->ksm_ll_ops.keyslot_program(ksm, key, slot);
+ WARN_ON(err);
+ }
+ up_write(&ksm->lock);
+}
+EXPORT_SYMBOL_GPL(blk_ksm_reprogram_all_keys);
+
+void blk_ksm_destroy(struct blk_keyslot_manager *ksm)
+{
+ if (!ksm)
+ return;
+ kvfree(ksm->slot_hashtable);
+ memzero_explicit(ksm->slots, sizeof(ksm->slots[0]) * ksm->num_slots);
+ kvfree(ksm->slots);
+ memzero_explicit(ksm, sizeof(*ksm));
+}
+EXPORT_SYMBOL_GPL(blk_ksm_destroy);
+
+bool blk_ksm_register(struct blk_keyslot_manager *ksm, struct request_queue *q)
+{
+ if (blk_integrity_queue_supports_integrity(q)) {
+ pr_warn("Integrity and hardware inline encryption are not supported together. Disabling hardware inline encryption.\n");
+ return false;
+ }
+ q->ksm = ksm;
+ return true;
+}
+EXPORT_SYMBOL_GPL(blk_ksm_register);
+
+void blk_ksm_unregister(struct request_queue *q)
+{
+ q->ksm = NULL;
+}
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index 34dcea0ef637..a38c5ab103d1 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c
@@ -579,7 +579,7 @@ static bool kyber_bio_merge(struct blk_mq_hw_ctx *hctx, struct bio *bio,
return merged;
}
-static void kyber_prepare_request(struct request *rq, struct bio *bio)
+static void kyber_prepare_request(struct request *rq)
{
rq_set_domain_token(rq, -1);
}
diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index b490f47fd553..b57470e154c8 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -541,7 +541,7 @@ static void dd_insert_requests(struct blk_mq_hw_ctx *hctx,
* Nothing to do here. This is defined only to ensure that .finish_request
* method is called upon request completion.
*/
-static void dd_prepare_request(struct request *rq, struct bio *bio)
+static void dd_prepare_request(struct request *rq)
{
}
diff --git a/block/partitions/core.c b/block/partitions/core.c
index bc1ded1331b1..78951e33b2d7 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -274,10 +274,10 @@ struct device_type part_type = {
.uevent = part_uevent,
};
-static void delete_partition_work_fn(struct work_struct *work)
+static void hd_struct_free_work(struct work_struct *work)
{
- struct hd_struct *part = container_of(to_rcu_work(work), struct hd_struct,
- rcu_work);
+ struct hd_struct *part =
+ container_of(to_rcu_work(work), struct hd_struct, rcu_work);
part->start_sect = 0;
part->nr_sects = 0;
@@ -285,32 +285,42 @@ static void delete_partition_work_fn(struct work_struct *work)
put_device(part_to_dev(part));
}
-void __delete_partition(struct percpu_ref *ref)
+static void hd_struct_free(struct percpu_ref *ref)
{
struct hd_struct *part = container_of(ref, struct hd_struct, ref);
- INIT_RCU_WORK(&part->rcu_work, delete_partition_work_fn);
+ struct gendisk *disk = part_to_disk(part);
+ struct disk_part_tbl *ptbl =
+ rcu_dereference_protected(disk->part_tbl, 1);
+
+ rcu_assign_pointer(ptbl->last_lookup, NULL);
+ put_device(disk_to_dev(disk));
+
+ INIT_RCU_WORK(&part->rcu_work, hd_struct_free_work);
queue_rcu_work(system_wq, &part->rcu_work);
}
+int hd_ref_init(struct hd_struct *part)
+{
+ if (percpu_ref_init(&part->ref, hd_struct_free, 0, GFP_KERNEL))
+ return -ENOMEM;
+ return 0;
+}
+
/*
* Must be called either with bd_mutex held, before a disk can be opened or
* after all disk users are gone.
*/
-void delete_partition(struct gendisk *disk, int partno)
+void delete_partition(struct gendisk *disk, struct hd_struct *part)
{
struct disk_part_tbl *ptbl =
rcu_dereference_protected(disk->part_tbl, 1);
- struct hd_struct *part;
-
- if (partno >= ptbl->len)
- return;
-
- part = rcu_dereference_protected(ptbl->part[partno], 1);
- if (!part)
- return;
- rcu_assign_pointer(ptbl->part[partno], NULL);
- rcu_assign_pointer(ptbl->last_lookup, NULL);
+ /*
+ * ->part_tbl is referenced in this part's release handler, so
+ * we have to hold the disk device
+ */
+ get_device(disk_to_dev(part_to_disk(part)));
+ rcu_assign_pointer(ptbl->part[part->partno], NULL);
kobject_put(part->holder_dir);
device_del(part_to_dev(part));
@@ -321,7 +331,7 @@ void delete_partition(struct gendisk *disk, int partno)
* "in-use" until we really free the gendisk.
*/
blk_invalidate_devt(part_devt(part));
- hd_struct_kill(part);
+ percpu_ref_kill(&part->ref);
}
static ssize_t whole_disk_show(struct device *dev,
@@ -335,7 +345,7 @@ static DEVICE_ATTR(whole_disk, 0444, whole_disk_show, NULL);
* Must be called either with bd_mutex held, before a disk can be opened or
* after all disk users are gone.
*/
-struct hd_struct *add_partition(struct gendisk *disk, int partno,
+static struct hd_struct *add_partition(struct gendisk *disk, int partno,
sector_t start, sector_t len, int flags,
struct partition_meta_info *info)
{
@@ -377,12 +387,13 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
if (!p)
return ERR_PTR(-EBUSY);
- if (!init_part_stats(p)) {
+ p->dkstats = alloc_percpu(struct disk_stats);
+ if (!p->dkstats) {
err = -ENOMEM;
goto out_free;
}
- seqcount_init(&p->nr_sects_seq);
+ hd_sects_seq_init(p);
pdev = part_to_dev(p);
p->start_sect = start;
@@ -458,7 +469,7 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
out_free_info:
kfree(p->info);
out_free_stats:
- free_part_stats(p);
+ free_percpu(p->dkstats);
out_free:
kfree(p);
return ERR_PTR(err);
@@ -472,6 +483,121 @@ out_put:
return ERR_PTR(err);
}
+static bool partition_overlaps(struct gendisk *disk, sector_t start,
+ sector_t length, int skip_partno)
+{
+ struct disk_part_iter piter;
+ struct hd_struct *part;
+ bool overlap = false;
+
+ disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);
+ while ((part = disk_part_iter_next(&piter))) {
+ if (part->partno == skip_partno ||
+ start >= part->start_sect + part->nr_sects ||
+ start + length <= part->start_sect)
+ continue;
+ overlap = true;
+ break;
+ }
+
+ disk_part_iter_exit(&piter);
+ return overlap;
+}
+
+int bdev_add_partition(struct block_device *bdev, int partno,
+ sector_t start, sector_t length)
+{
+ struct hd_struct *part;
+
+ mutex_lock(&bdev->bd_mutex);
+ if (partition_overlaps(bdev->bd_disk, start, length, -1)) {
+ mutex_unlock(&bdev->bd_mutex);
+ return -EBUSY;
+ }
+
+ part = add_partition(bdev->bd_disk, partno, start, length,
+ ADDPART_FLAG_NONE, NULL);
+ mutex_unlock(&bdev->bd_mutex);
+ return PTR_ERR_OR_ZERO(part);
+}
+
+int bdev_del_partition(struct block_device *bdev, int partno)
+{
+ struct block_device *bdevp;
+ struct hd_struct *part;
+ int ret = 0;
+
+ part = disk_get_part(bdev->bd_disk, partno);
+ if (!part)
+ return -ENXIO;
+
+ ret = -ENOMEM;
+ bdevp = bdget(part_devt(part));
+ if (!bdevp)
+ goto out_put_part;
+
+ mutex_lock(&bdevp->bd_mutex);
+
+ ret = -EBUSY;
+ if (bdevp->bd_openers)
+ goto out_unlock;
+
+ sync_blockdev(bdevp);
+ invalidate_bdev(bdevp);
+
+ mutex_lock_nested(&bdev->bd_mutex, 1);
+ delete_partition(bdev->bd_disk, part);
+ mutex_unlock(&bdev->bd_mutex);
+
+ ret = 0;
+out_unlock:
+ mutex_unlock(&bdevp->bd_mutex);
+ bdput(bdevp);
+out_put_part:
+ disk_put_part(part);
+ return ret;
+}
+
+int bdev_resize_partition(struct block_device *bdev, int partno,
+ sector_t start, sector_t length)
+{
+ struct block_device *bdevp;
+ struct hd_struct *part;
+ int ret = 0;
+
+ part = disk_get_part(bdev->bd_disk, partno);
+ if (!part)
+ return -ENXIO;
+
+ ret = -ENOMEM;
+ bdevp = bdget(part_devt(part));
+ if (!bdevp)
+ goto out_put_part;
+
+ mutex_lock(&bdevp->bd_mutex);
+ mutex_lock_nested(&bdev->bd_mutex, 1);
+
+ ret = -EINVAL;
+ if (start != part->start_sect)
+ goto out_unlock;
+
+ ret = -EBUSY;
+ if (partition_overlaps(bdev->bd_disk, start, length, partno))
+ goto out_unlock;
+
+ part_nr_sects_write(part, (sector_t)length);
+ i_size_write(bdevp->bd_inode, length << SECTOR_SHIFT);
+
+ ret = 0;
+out_unlock:
+ mutex_unlock(&bdevp->bd_mutex);
+ mutex_unlock(&bdev->bd_mutex);
+ bdput(bdevp);
+out_put_part:
+ disk_put_part(part);
+ return ret;
+}
+
static bool disk_unlock_native_capacity(struct gendisk *disk)
{
const struct block_device_operations *bdops = disk->fops;
@@ -488,27 +614,30 @@ static bool disk_unlock_native_capacity(struct gendisk *disk)
}
}
-int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev)
+int blk_drop_partitions(struct block_device *bdev)
{
struct disk_part_iter piter;
struct hd_struct *part;
- int res;
- if (!disk_part_scan_enabled(disk))
+ if (!disk_part_scan_enabled(bdev->bd_disk))
return 0;
- if (bdev->bd_part_count || bdev->bd_openers > 1)
+ if (bdev->bd_part_count)
return -EBUSY;
- res = invalidate_partition(disk, 0);
- if (res)
- return res;
- disk_part_iter_init(&piter, disk, DISK_PITER_INCL_EMPTY);
+ sync_blockdev(bdev);
+ invalidate_bdev(bdev);
+
+ disk_part_iter_init(&piter, bdev->bd_disk, DISK_PITER_INCL_EMPTY);
while ((part = disk_part_iter_next(&piter)))
- delete_partition(disk, part->partno);
+ delete_partition(bdev->bd_disk, part);
disk_part_iter_exit(&piter);
return 0;
}
+#ifdef CONFIG_S390
+/* for historic reasons in the DASD driver */
+EXPORT_SYMBOL_GPL(blk_drop_partitions);
+#endif
static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev,
struct parsed_partitions *state, int p)
diff --git a/block/partitions/ibm.c b/block/partitions/ibm.c
index 073faa6a69b8..d6e18df9c53c 100644
--- a/block/partitions/ibm.c
+++ b/block/partitions/ibm.c
@@ -13,10 +13,11 @@
#include <asm/ebcdic.h>
#include <linux/uaccess.h>
#include <asm/vtoc.h>
+#include <linux/module.h>
+#include <linux/dasd_mod.h>
#include "check.h"
-
union label_t {
struct vtoc_volume_label_cdl vol;
struct vtoc_volume_label_ldl lnx;
@@ -288,7 +289,9 @@ static int find_cms1_partitions(struct parsed_partitions *state,
*/
int ibm_partition(struct parsed_partitions *state)
{
+ int (*fn)(struct gendisk *disk, dasd_information2_t *info);
struct block_device *bdev = state->bdev;
+ struct gendisk *disk = bdev->bd_disk;
int blocksize, res;
loff_t i_size, offset, size;
dasd_information2_t *info;
@@ -299,24 +302,31 @@ int ibm_partition(struct parsed_partitions *state)
union label_t *label;
res = 0;
+ if (!disk->fops->getgeo)
+ goto out_exit;
+ fn = symbol_get(dasd_biodasdinfo);
+ if (!fn)
+ goto out_exit;
blocksize = bdev_logical_block_size(bdev);
if (blocksize <= 0)
- goto out_exit;
+ goto out_symbol;
i_size = i_size_read(bdev->bd_inode);
if (i_size == 0)
- goto out_exit;
+ goto out_symbol;
info = kmalloc(sizeof(dasd_information2_t), GFP_KERNEL);
if (info == NULL)
- goto out_exit;
+ goto out_symbol;
geo = kmalloc(sizeof(struct hd_geometry), GFP_KERNEL);
if (geo == NULL)
goto out_nogeo;
label = kmalloc(sizeof(union label_t), GFP_KERNEL);
if (label == NULL)
goto out_nolab;
- if (ioctl_by_bdev(bdev, HDIO_GETGEO, (unsigned long)geo) != 0)
+ /* set start if not filled by getgeo function e.g. virtblk */
+ geo->start = get_start_sect(bdev);
+ if (disk->fops->getgeo(bdev, geo))
goto out_freeall;
- if (ioctl_by_bdev(bdev, BIODASDINFO2, (unsigned long)info) != 0) {
+ if (fn(disk, info)) {
kfree(info);
info = NULL;
}
@@ -359,6 +369,8 @@ out_nolab:
kfree(geo);
out_nogeo:
kfree(info);
+out_symbol:
+ symbol_put(dasd_biodasdinfo);
out_exit:
return res;
}
diff --git a/crypto/Kconfig b/crypto/Kconfig
index c24a47406f8f..d5daf35431e3 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -370,7 +370,6 @@ config CRYPTO_CFB
config CRYPTO_CTR
tristate "CTR support"
select CRYPTO_SKCIPHER
- select CRYPTO_SEQIV
select CRYPTO_MANAGER
help
CTR: Counter mode
@@ -1820,7 +1819,7 @@ config CRYPTO_DRBG_HASH
config CRYPTO_DRBG_CTR
bool "Enable CTR DRBG"
select CRYPTO_AES
- depends on CRYPTO_CTR
+ select CRYPTO_CTR
help
Enable the CTR DRBG variant as defined in NIST SP800-90A.
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 69605e21af92..92abdf675992 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -403,7 +403,7 @@ static void crypto_wait_for_test(struct crypto_larval *larval)
err = wait_for_completion_killable(&larval->completion);
WARN_ON(err);
if (!err)
- crypto_probing_notify(CRYPTO_MSG_ALG_LOADED, larval);
+ crypto_notify(CRYPTO_MSG_ALG_LOADED, larval);
out:
crypto_larval_kill(&larval->alg);
@@ -716,17 +716,27 @@ EXPORT_SYMBOL_GPL(crypto_drop_spawn);
static struct crypto_alg *crypto_spawn_alg(struct crypto_spawn *spawn)
{
- struct crypto_alg *alg;
+ struct crypto_alg *alg = ERR_PTR(-EAGAIN);
+ struct crypto_alg *target;
+ bool shoot = false;
down_read(&crypto_alg_sem);
- alg = spawn->alg;
- if (!spawn->dead && !crypto_mod_get(alg)) {
- alg->cra_flags |= CRYPTO_ALG_DYING;
- alg = NULL;
+ if (!spawn->dead) {
+ alg = spawn->alg;
+ if (!crypto_mod_get(alg)) {
+ target = crypto_alg_get(alg);
+ shoot = true;
+ alg = ERR_PTR(-EAGAIN);
+ }
}
up_read(&crypto_alg_sem);
- return alg ?: ERR_PTR(-EAGAIN);
+ if (shoot) {
+ crypto_shoot_alg(target);
+ crypto_alg_put(target);
+ }
+
+ return alg;
}
struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
@@ -904,6 +914,14 @@ out:
}
EXPORT_SYMBOL_GPL(crypto_enqueue_request);
+void crypto_enqueue_request_head(struct crypto_queue *queue,
+ struct crypto_async_request *request)
+{
+ queue->qlen++;
+ list_add(&request->list, &queue->list);
+}
+EXPORT_SYMBOL_GPL(crypto_enqueue_request_head);
+
struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)
{
struct list_head *request;
diff --git a/crypto/algif_rng.c b/crypto/algif_rng.c
index 22df3799a17b..087c0ad09d38 100644
--- a/crypto/algif_rng.c
+++ b/crypto/algif_rng.c
@@ -61,7 +61,7 @@ static int rng_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
struct sock *sk = sock->sk;
struct alg_sock *ask = alg_sk(sk);
struct rng_ctx *ctx = ask->private;
- int err = -EFAULT;
+ int err;
int genlen = 0;
u8 result[MAXSIZE];
diff --git a/crypto/api.c b/crypto/api.c
index 7d71a9b10e5f..edcf690800d4 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -333,12 +333,13 @@ static unsigned int crypto_ctxsize(struct crypto_alg *alg, u32 type, u32 mask)
return len;
}
-static void crypto_shoot_alg(struct crypto_alg *alg)
+void crypto_shoot_alg(struct crypto_alg *alg)
{
down_write(&crypto_alg_sem);
alg->cra_flags |= CRYPTO_ALG_DYING;
up_write(&crypto_alg_sem);
}
+EXPORT_SYMBOL_GPL(crypto_shoot_alg);
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
u32 mask)
diff --git a/crypto/blake2b_generic.c b/crypto/blake2b_generic.c
index 1d262374fa4e..0ffd8d92e308 100644
--- a/crypto/blake2b_generic.c
+++ b/crypto/blake2b_generic.c
@@ -129,7 +129,9 @@ static void blake2b_compress(struct blake2b_state *S,
ROUND(9);
ROUND(10);
ROUND(11);
-
+#ifdef CONFIG_CC_IS_CLANG
+#pragma nounroll /* https://bugs.llvm.org/show_bug.cgi?id=45803 */
+#endif
for (i = 0; i < 8; ++i)
S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
}
diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c
index eb029ff1e05a..3655d9d3f5df 100644
--- a/crypto/crypto_engine.c
+++ b/crypto/crypto_engine.c
@@ -22,32 +22,36 @@
* @err: error number
*/
static void crypto_finalize_request(struct crypto_engine *engine,
- struct crypto_async_request *req, int err)
+ struct crypto_async_request *req, int err)
{
unsigned long flags;
- bool finalize_cur_req = false;
+ bool finalize_req = false;
int ret;
struct crypto_engine_ctx *enginectx;
- spin_lock_irqsave(&engine->queue_lock, flags);
- if (engine->cur_req == req)
- finalize_cur_req = true;
- spin_unlock_irqrestore(&engine->queue_lock, flags);
+ /*
+ * If hardware cannot enqueue more requests
+ * and retry mechanism is not supported
+ * make sure we are completing the current request
+ */
+ if (!engine->retry_support) {
+ spin_lock_irqsave(&engine->queue_lock, flags);
+ if (engine->cur_req == req) {
+ finalize_req = true;
+ engine->cur_req = NULL;
+ }
+ spin_unlock_irqrestore(&engine->queue_lock, flags);
+ }
- if (finalize_cur_req) {
+ if (finalize_req || engine->retry_support) {
enginectx = crypto_tfm_ctx(req->tfm);
- if (engine->cur_req_prepared &&
+ if (enginectx->op.prepare_request &&
enginectx->op.unprepare_request) {
ret = enginectx->op.unprepare_request(engine, req);
if (ret)
dev_err(engine->dev, "failed to unprepare request\n");
}
- spin_lock_irqsave(&engine->queue_lock, flags);
- engine->cur_req = NULL;
- engine->cur_req_prepared = false;
- spin_unlock_irqrestore(&engine->queue_lock, flags);
}
-
req->complete(req, err);
kthread_queue_work(engine->kworker, &engine->pump_requests);
@@ -74,7 +78,7 @@ static void crypto_pump_requests(struct crypto_engine *engine,
spin_lock_irqsave(&engine->queue_lock, flags);
/* Make sure we are not already running a request */
- if (engine->cur_req)
+ if (!engine->retry_support && engine->cur_req)
goto out;
/* If another context is idling then defer */
@@ -108,13 +112,21 @@ static void crypto_pump_requests(struct crypto_engine *engine,
goto out;
}
+start_request:
/* Get the fist request from the engine queue to handle */
backlog = crypto_get_backlog(&engine->queue);
async_req = crypto_dequeue_request(&engine->queue);
if (!async_req)
goto out;
- engine->cur_req = async_req;
+ /*
+ * If hardware doesn't support the retry mechanism,
+ * keep track of the request we are processing now.
+ * We'll need it on completion (crypto_finalize_request).
+ */
+ if (!engine->retry_support)
+ engine->cur_req = async_req;
+
if (backlog)
backlog->complete(backlog, -EINPROGRESS);
@@ -130,7 +142,7 @@ static void crypto_pump_requests(struct crypto_engine *engine,
ret = engine->prepare_crypt_hardware(engine);
if (ret) {
dev_err(engine->dev, "failed to prepare crypt hardware\n");
- goto req_err;
+ goto req_err_2;
}
}
@@ -141,28 +153,90 @@ static void crypto_pump_requests(struct crypto_engine *engine,
if (ret) {
dev_err(engine->dev, "failed to prepare request: %d\n",
ret);
- goto req_err;
+ goto req_err_2;
}
- engine->cur_req_prepared = true;
}
if (!enginectx->op.do_one_request) {
dev_err(engine->dev, "failed to do request\n");
ret = -EINVAL;
- goto req_err;
+ goto req_err_1;
}
+
ret = enginectx->op.do_one_request(engine, async_req);
- if (ret) {
- dev_err(engine->dev, "Failed to do one request from queue: %d\n", ret);
- goto req_err;
+
+ /* Request unsuccessfully executed by hardware */
+ if (ret < 0) {
+ /*
+ * If hardware queue is full (-ENOSPC), requeue request
+ * regardless of backlog flag.
+ * Otherwise, unprepare and complete the request.
+ */
+ if (!engine->retry_support ||
+ (ret != -ENOSPC)) {
+ dev_err(engine->dev,
+ "Failed to do one request from queue: %d\n",
+ ret);
+ goto req_err_1;
+ }
+ /*
+ * If retry mechanism is supported,
+ * unprepare current request and
+ * enqueue it back into crypto-engine queue.
+ */
+ if (enginectx->op.unprepare_request) {
+ ret = enginectx->op.unprepare_request(engine,
+ async_req);
+ if (ret)
+ dev_err(engine->dev,
+ "failed to unprepare request\n");
+ }
+ spin_lock_irqsave(&engine->queue_lock, flags);
+ /*
+ * If hardware was unable to execute request, enqueue it
+ * back in front of crypto-engine queue, to keep the order
+ * of requests.
+ */
+ crypto_enqueue_request_head(&engine->queue, async_req);
+
+ kthread_queue_work(engine->kworker, &engine->pump_requests);
+ goto out;
}
- return;
-req_err:
- crypto_finalize_request(engine, async_req, ret);
+ goto retry;
+
+req_err_1:
+ if (enginectx->op.unprepare_request) {
+ ret = enginectx->op.unprepare_request(engine, async_req);
+ if (ret)
+ dev_err(engine->dev, "failed to unprepare request\n");
+ }
+
+req_err_2:
+ async_req->complete(async_req, ret);
+
+retry:
+ /* If retry mechanism is supported, send new requests to engine */
+ if (engine->retry_support) {
+ spin_lock_irqsave(&engine->queue_lock, flags);
+ goto start_request;
+ }
return;
out:
spin_unlock_irqrestore(&engine->queue_lock, flags);
+
+ /*
+ * Batch requests is possible only if
+ * hardware can enqueue multiple requests
+ */
+ if (engine->do_batch_requests) {
+ ret = engine->do_batch_requests(engine);
+ if (ret)
+ dev_err(engine->dev, "failed to do batch requests: %d\n",
+ ret);
+ }
+
+ return;
}
static void crypto_pump_work(struct kthread_work *work)
@@ -386,15 +460,27 @@ int crypto_engine_stop(struct crypto_engine *engine)
EXPORT_SYMBOL_GPL(crypto_engine_stop);
/**
- * crypto_engine_alloc_init - allocate crypto hardware engine structure and
- * initialize it.
+ * crypto_engine_alloc_init_and_set - allocate crypto hardware engine structure
+ * and initialize it by setting the maximum number of entries in the software
+ * crypto-engine queue.
* @dev: the device attached with one hardware engine
+ * @retry_support: whether hardware has support for retry mechanism
+ * @cbk_do_batch: pointer to a callback function to be invoked when executing a
+ * a batch of requests.
+ * This has the form:
+ * callback(struct crypto_engine *engine)
+ * where:
+ * @engine: the crypto engine structure.
* @rt: whether this queue is set to run as a realtime task
+ * @qlen: maximum size of the crypto-engine queue
*
* This must be called from context that can sleep.
* Return: the crypto engine structure on success, else NULL.
*/
-struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
+struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
+ bool retry_support,
+ int (*cbk_do_batch)(struct crypto_engine *engine),
+ bool rt, int qlen)
{
struct sched_param param = { .sched_priority = MAX_RT_PRIO / 2 };
struct crypto_engine *engine;
@@ -411,12 +497,18 @@ struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
engine->running = false;
engine->busy = false;
engine->idling = false;
- engine->cur_req_prepared = false;
+ engine->retry_support = retry_support;
engine->priv_data = dev;
+ /*
+ * Batch requests is possible only if
+ * hardware has support for retry mechanism.
+ */
+ engine->do_batch_requests = retry_support ? cbk_do_batch : NULL;
+
snprintf(engine->name, sizeof(engine->name),
"%s-engine", dev_name(dev));
- crypto_init_queue(&engine->queue, CRYPTO_ENGINE_MAX_QLEN);
+ crypto_init_queue(&engine->queue, qlen);
spin_lock_init(&engine->queue_lock);
engine->kworker = kthread_create_worker(0, "%s", engine->name);
@@ -433,6 +525,22 @@ struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
return engine;
}
+EXPORT_SYMBOL_GPL(crypto_engine_alloc_init_and_set);
+
+/**
+ * crypto_engine_alloc_init - allocate crypto hardware engine structure and
+ * initialize it.
+ * @dev: the device attached with one hardware engine
+ * @rt: whether this queue is set to run as a realtime task
+ *
+ * This must be called from context that can sleep.
+ * Return: the crypto engine structure on success, else NULL.
+ */
+struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
+{
+ return crypto_engine_alloc_init_and_set(dev, false, NULL, rt,
+ CRYPTO_ENGINE_MAX_QLEN);
+}
EXPORT_SYMBOL_GPL(crypto_engine_alloc_init);
/**
diff --git a/crypto/drbg.c b/crypto/drbg.c
index b6929eb5f565..37526eb8c5d5 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1087,10 +1087,6 @@ static void drbg_async_seed(struct work_struct *work)
if (ret)
goto unlock;
- /* If nonblocking pool is initialized, deactivate Jitter RNG */
- crypto_free_rng(drbg->jent);
- drbg->jent = NULL;
-
/* Set seeded to false so that if __drbg_seed fails the
* next generate call will trigger a reseed.
*/
@@ -1168,7 +1164,23 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
entropylen);
if (ret) {
pr_devel("DRBG: jent failed with %d\n", ret);
- goto out;
+
+ /*
+ * Do not treat the transient failure of the
+ * Jitter RNG as an error that needs to be
+ * reported. The combined number of the
+ * maximum reseed threshold times the maximum
+ * number of Jitter RNG transient errors is
+ * less than the reseed threshold required by
+ * SP800-90A allowing us to treat the
+ * transient errors as such.
+ *
+ * However, we mandate that at least the first
+ * seeding operation must succeed with the
+ * Jitter RNG.
+ */
+ if (!reseed || ret != -EAGAIN)
+ goto out;
}
drbg_string_fill(&data1, entropy, entropylen * 2);
@@ -1294,8 +1306,10 @@ static inline int drbg_alloc_state(struct drbg_state *drbg)
if (IS_ENABLED(CONFIG_CRYPTO_FIPS)) {
drbg->prev = kzalloc(drbg_sec_strength(drbg->core->flags),
GFP_KERNEL);
- if (!drbg->prev)
+ if (!drbg->prev) {
+ ret = -ENOMEM;
goto fini;
+ }
drbg->fips_primed = false;
}
@@ -1492,6 +1506,8 @@ static int drbg_prepare_hrng(struct drbg_state *drbg)
if (list_empty(&drbg->test_data.list))
return 0;
+ drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0);
+
INIT_WORK(&drbg->seed_work, drbg_async_seed);
drbg->random_ready.owner = THIS_MODULE;
@@ -1512,8 +1528,6 @@ static int drbg_prepare_hrng(struct drbg_state *drbg)
return err;
}
- drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0);
-
/*
* Require frequent reseeds until the seed source is fully
* initialized.
diff --git a/crypto/essiv.c b/crypto/essiv.c
index 465a89c9d1ef..a7f45dbc4ee2 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -66,7 +66,6 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen)
{
struct essiv_tfm_ctx *tctx = crypto_skcipher_ctx(tfm);
- SHASH_DESC_ON_STACK(desc, tctx->hash);
u8 salt[HASH_MAX_DIGESTSIZE];
int err;
@@ -78,8 +77,7 @@ static int essiv_skcipher_setkey(struct crypto_skcipher *tfm,
if (err)
return err;
- desc->tfm = tctx->hash;
- err = crypto_shash_digest(desc, key, keylen, salt);
+ err = crypto_shash_tfm_digest(tctx->hash, key, keylen, salt);
if (err)
return err;
diff --git a/crypto/internal.h b/crypto/internal.h
index d5ebc60c5143..ff06a3bd1ca1 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -65,6 +65,7 @@ void crypto_alg_tested(const char *name, int err);
void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
struct crypto_alg *nalg);
void crypto_remove_final(struct list_head *list);
+void crypto_shoot_alg(struct crypto_alg *alg);
struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
u32 mask);
void *crypto_create_tfm(struct crypto_alg *alg,
diff --git a/crypto/jitterentropy-kcapi.c b/crypto/jitterentropy-kcapi.c
index a5ce8f96790f..b43684c0dade 100644
--- a/crypto/jitterentropy-kcapi.c
+++ b/crypto/jitterentropy-kcapi.c
@@ -108,6 +108,7 @@ void jent_get_nstime(__u64 *out)
struct jitterentropy {
spinlock_t jent_lock;
struct rand_data *entropy_collector;
+ unsigned int reset_cnt;
};
static int jent_kcapi_init(struct crypto_tfm *tfm)
@@ -142,7 +143,33 @@ static int jent_kcapi_random(struct crypto_rng *tfm,
int ret = 0;
spin_lock(&rng->jent_lock);
+
+ /* Return a permanent error in case we had too many resets in a row. */
+ if (rng->reset_cnt > (1<<10)) {
+ ret = -EFAULT;
+ goto out;
+ }
+
ret = jent_read_entropy(rng->entropy_collector, rdata, dlen);
+
+ /* Reset RNG in case of health failures */
+ if (ret < -1) {
+ pr_warn_ratelimited("Reset Jitter RNG due to health test failure: %s failure\n",
+ (ret == -2) ? "Repetition Count Test" :
+ "Adaptive Proportion Test");
+
+ rng->reset_cnt++;
+
+ ret = -EAGAIN;
+ } else {
+ rng->reset_cnt = 0;
+
+ /* Convert the Jitter RNG error into a usable error code */
+ if (ret == -1)
+ ret = -EINVAL;
+ }
+
+out:
spin_unlock(&rng->jent_lock);
return ret;
diff --git a/crypto/jitterentropy.c b/crypto/jitterentropy.c
index 042157f0d28b..57f4a1ac738b 100644
--- a/crypto/jitterentropy.c
+++ b/crypto/jitterentropy.c
@@ -2,7 +2,7 @@
* Non-physical true random number generator based on timing jitter --
* Jitter RNG standalone code.
*
- * Copyright Stephan Mueller <smueller@chronox.de>, 2015 - 2019
+ * Copyright Stephan Mueller <smueller@chronox.de>, 2015 - 2020
*
* Design
* ======
@@ -47,7 +47,7 @@
/*
* This Jitterentropy RNG is based on the jitterentropy library
- * version 2.1.2 provided at http://www.chronox.de/jent.html
+ * version 2.2.0 provided at http://www.chronox.de/jent.html
*/
#ifdef __OPTIMIZE__
@@ -83,6 +83,22 @@ struct rand_data {
unsigned int memblocksize; /* Size of one memory block in bytes */
unsigned int memaccessloops; /* Number of memory accesses per random
* bit generation */
+
+ /* Repetition Count Test */
+ int rct_count; /* Number of stuck values */
+
+ /* Adaptive Proportion Test for a significance level of 2^-30 */
+#define JENT_APT_CUTOFF 325 /* Taken from SP800-90B sec 4.4.2 */
+#define JENT_APT_WINDOW_SIZE 512 /* Data window size */
+ /* LSB of time stamp to process */
+#define JENT_APT_LSB 16
+#define JENT_APT_WORD_MASK (JENT_APT_LSB - 1)
+ unsigned int apt_observations; /* Number of collected observations */
+ unsigned int apt_count; /* APT counter */
+ unsigned int apt_base; /* APT base reference */
+ unsigned int apt_base_set:1; /* APT base reference set? */
+
+ unsigned int health_failure:1; /* Permanent health failure */
};
/* Flags that can be used to initialize the RNG */
@@ -98,12 +114,201 @@ struct rand_data {
* variations (2nd derivation of time is
* zero). */
#define JENT_ESTUCK 8 /* Too many stuck results during init. */
+#define JENT_EHEALTH 9 /* Health test failed during initialization */
+#define JENT_ERCT 10 /* RCT failed during initialization */
+
+#include "jitterentropy.h"
/***************************************************************************
- * Helper functions
+ * Adaptive Proportion Test
+ *
+ * This test complies with SP800-90B section 4.4.2.
***************************************************************************/
-#include "jitterentropy.h"
+/**
+ * Reset the APT counter
+ *
+ * @ec [in] Reference to entropy collector
+ */
+static void jent_apt_reset(struct rand_data *ec, unsigned int delta_masked)
+{
+ /* Reset APT counter */
+ ec->apt_count = 0;
+ ec->apt_base = delta_masked;
+ ec->apt_observations = 0;
+}
+
+/**
+ * Insert a new entropy event into APT
+ *
+ * @ec [in] Reference to entropy collector
+ * @delta_masked [in] Masked time delta to process
+ */
+static void jent_apt_insert(struct rand_data *ec, unsigned int delta_masked)
+{
+ /* Initialize the base reference */
+ if (!ec->apt_base_set) {
+ ec->apt_base = delta_masked;
+ ec->apt_base_set = 1;
+ return;
+ }
+
+ if (delta_masked == ec->apt_base) {
+ ec->apt_count++;
+
+ if (ec->apt_count >= JENT_APT_CUTOFF)
+ ec->health_failure = 1;
+ }
+
+ ec->apt_observations++;
+
+ if (ec->apt_observations >= JENT_APT_WINDOW_SIZE)
+ jent_apt_reset(ec, delta_masked);
+}
+
+/***************************************************************************
+ * Stuck Test and its use as Repetition Count Test
+ *
+ * The Jitter RNG uses an enhanced version of the Repetition Count Test
+ * (RCT) specified in SP800-90B section 4.4.1. Instead of counting identical
+ * back-to-back values, the input to the RCT is the counting of the stuck
+ * values during the generation of one Jitter RNG output block.
+ *
+ * The RCT is applied with an alpha of 2^{-30} compliant to FIPS 140-2 IG 9.8.
+ *
+ * During the counting operation, the Jitter RNG always calculates the RCT
+ * cut-off value of C. If that value exceeds the allowed cut-off value,
+ * the Jitter RNG output block will be calculated completely but discarded at
+ * the end. The caller of the Jitter RNG is informed with an error code.
+ ***************************************************************************/
+
+/**
+ * Repetition Count Test as defined in SP800-90B section 4.4.1
+ *
+ * @ec [in] Reference to entropy collector
+ * @stuck [in] Indicator whether the value is stuck
+ */
+static void jent_rct_insert(struct rand_data *ec, int stuck)
+{
+ /*
+ * If we have a count less than zero, a previous RCT round identified
+ * a failure. We will not overwrite it.
+ */
+ if (ec->rct_count < 0)
+ return;
+
+ if (stuck) {
+ ec->rct_count++;
+
+ /*
+ * The cutoff value is based on the following consideration:
+ * alpha = 2^-30 as recommended in FIPS 140-2 IG 9.8.
+ * In addition, we require an entropy value H of 1/OSR as this
+ * is the minimum entropy required to provide full entropy.
+ * Note, we collect 64 * OSR deltas for inserting them into
+ * the entropy pool which should then have (close to) 64 bits
+ * of entropy.
+ *
+ * Note, ec->rct_count (which equals to value B in the pseudo
+ * code of SP800-90B section 4.4.1) starts with zero. Hence
+ * we need to subtract one from the cutoff value as calculated
+ * following SP800-90B.
+ */
+ if ((unsigned int)ec->rct_count >= (31 * ec->osr)) {
+ ec->rct_count = -1;
+ ec->health_failure = 1;
+ }
+ } else {
+ ec->rct_count = 0;
+ }
+}
+
+/**
+ * Is there an RCT health test failure?
+ *
+ * @ec [in] Reference to entropy collector
+ *
+ * @return
+ * 0 No health test failure
+ * 1 Permanent health test failure
+ */
+static int jent_rct_failure(struct rand_data *ec)
+{
+ if (ec->rct_count < 0)
+ return 1;
+ return 0;
+}
+
+static inline __u64 jent_delta(__u64 prev, __u64 next)
+{
+#define JENT_UINT64_MAX (__u64)(~((__u64) 0))
+ return (prev < next) ? (next - prev) :
+ (JENT_UINT64_MAX - prev + 1 + next);
+}
+
+/**
+ * Stuck test by checking the:
+ * 1st derivative of the jitter measurement (time delta)
+ * 2nd derivative of the jitter measurement (delta of time deltas)
+ * 3rd derivative of the jitter measurement (delta of delta of time deltas)
+ *
+ * All values must always be non-zero.
+ *
+ * @ec [in] Reference to entropy collector
+ * @current_delta [in] Jitter time delta
+ *
+ * @return
+ * 0 jitter measurement not stuck (good bit)
+ * 1 jitter measurement stuck (reject bit)
+ */
+static int jent_stuck(struct rand_data *ec, __u64 current_delta)
+{
+ __u64 delta2 = jent_delta(ec->last_delta, current_delta);
+ __u64 delta3 = jent_delta(ec->last_delta2, delta2);
+ unsigned int delta_masked = current_delta & JENT_APT_WORD_MASK;
+
+ ec->last_delta = current_delta;
+ ec->last_delta2 = delta2;
+
+ /*
+ * Insert the result of the comparison of two back-to-back time
+ * deltas.
+ */
+ jent_apt_insert(ec, delta_masked);
+
+ if (!current_delta || !delta2 || !delta3) {
+ /* RCT with a stuck bit */
+ jent_rct_insert(ec, 1);
+ return 1;
+ }
+
+ /* RCT with a non-stuck bit */
+ jent_rct_insert(ec, 0);
+
+ return 0;
+}
+
+/**
+ * Report any health test failures
+ *
+ * @ec [in] Reference to entropy collector
+ *
+ * @return
+ * 0 No health test failure
+ * 1 Permanent health test failure
+ */
+static int jent_health_failure(struct rand_data *ec)
+{
+ /* Test is only enabled in FIPS mode */
+ if (!jent_fips_enabled())
+ return 0;
+
+ return ec->health_failure;
+}
+
+/***************************************************************************
+ * Noise sources
+ ***************************************************************************/
/**
* Update of the loop count used for the next round of
@@ -148,10 +353,6 @@ static __u64 jent_loop_shuffle(struct rand_data *ec,
return (shuffle + (1<<min));
}
-/***************************************************************************
- * Noise sources
- ***************************************************************************/
-
/**
* CPU Jitter noise source -- this is the noise source based on the CPU
* execution time jitter
@@ -166,18 +367,19 @@ static __u64 jent_loop_shuffle(struct rand_data *ec,
* the CPU execution time jitter. Any change to the loop in this function
* implies that careful retesting must be done.
*
- * Input:
- * @ec entropy collector struct
- * @time time stamp to be injected
- * @loop_cnt if a value not equal to 0 is set, use the given value as number of
- * loops to perform the folding
+ * @ec [in] entropy collector struct
+ * @time [in] time stamp to be injected
+ * @loop_cnt [in] if a value not equal to 0 is set, use the given value as
+ * number of loops to perform the folding
+ * @stuck [in] Is the time stamp identified as stuck?
*
* Output:
* updated ec->data
*
* @return Number of loops the folding operation is performed
*/
-static __u64 jent_lfsr_time(struct rand_data *ec, __u64 time, __u64 loop_cnt)
+static void jent_lfsr_time(struct rand_data *ec, __u64 time, __u64 loop_cnt,
+ int stuck)
{
unsigned int i;
__u64 j = 0;
@@ -220,9 +422,17 @@ static __u64 jent_lfsr_time(struct rand_data *ec, __u64 time, __u64 loop_cnt)
new ^= tmp;
}
}
- ec->data = new;
- return fold_loop_cnt;
+ /*
+ * If the time stamp is stuck, do not finally insert the value into
+ * the entropy pool. Although this operation should not do any harm
+ * even when the time stamp has no entropy, SP800-90B requires that
+ * any conditioning operation (SP800-90B considers the LFSR to be a
+ * conditioning operation) to have an identical amount of input
+ * data according to section 3.1.5.
+ */
+ if (!stuck)
+ ec->data = new;
}
/**
@@ -243,16 +453,13 @@ static __u64 jent_lfsr_time(struct rand_data *ec, __u64 time, __u64 loop_cnt)
* to reliably access either L3 or memory, the ec->mem memory must be quite
* large which is usually not desirable.
*
- * Input:
- * @ec Reference to the entropy collector with the memory access data -- if
- * the reference to the memory block to be accessed is NULL, this noise
- * source is disabled
- * @loop_cnt if a value not equal to 0 is set, use the given value as number of
- * loops to perform the folding
- *
- * @return Number of memory access operations
+ * @ec [in] Reference to the entropy collector with the memory access data -- if
+ * the reference to the memory block to be accessed is NULL, this noise
+ * source is disabled
+ * @loop_cnt [in] if a value not equal to 0 is set, use the given value
+ * number of loops to perform the LFSR
*/
-static unsigned int jent_memaccess(struct rand_data *ec, __u64 loop_cnt)
+static void jent_memaccess(struct rand_data *ec, __u64 loop_cnt)
{
unsigned int wrap = 0;
__u64 i = 0;
@@ -262,7 +469,7 @@ static unsigned int jent_memaccess(struct rand_data *ec, __u64 loop_cnt)
jent_loop_shuffle(ec, MAX_ACC_LOOP_BIT, MIN_ACC_LOOP_BIT);
if (NULL == ec || NULL == ec->mem)
- return 0;
+ return;
wrap = ec->memblocksize * ec->memblocks;
/*
@@ -288,43 +495,11 @@ static unsigned int jent_memaccess(struct rand_data *ec, __u64 loop_cnt)
ec->memlocation = ec->memlocation + ec->memblocksize - 1;
ec->memlocation = ec->memlocation % wrap;
}
- return i;
}
/***************************************************************************
* Start of entropy processing logic
***************************************************************************/
-
-/**
- * Stuck test by checking the:
- * 1st derivation of the jitter measurement (time delta)
- * 2nd derivation of the jitter measurement (delta of time deltas)
- * 3rd derivation of the jitter measurement (delta of delta of time deltas)
- *
- * All values must always be non-zero.
- *
- * Input:
- * @ec Reference to entropy collector
- * @current_delta Jitter time delta
- *
- * @return
- * 0 jitter measurement not stuck (good bit)
- * 1 jitter measurement stuck (reject bit)
- */
-static int jent_stuck(struct rand_data *ec, __u64 current_delta)
-{
- __s64 delta2 = ec->last_delta - current_delta;
- __s64 delta3 = delta2 - ec->last_delta2;
-
- ec->last_delta = current_delta;
- ec->last_delta2 = delta2;
-
- if (!current_delta || !delta2 || !delta3)
- return 1;
-
- return 0;
-}
-
/**
* This is the heart of the entropy generation: calculate time deltas and
* use the CPU jitter in the time deltas. The jitter is injected into the
@@ -334,8 +509,7 @@ static int jent_stuck(struct rand_data *ec, __u64 current_delta)
* of this function! This can be done by calling this function
* and not using its result.
*
- * Input:
- * @entropy_collector Reference to entropy collector
+ * @ec [in] Reference to entropy collector
*
* @return result of stuck test
*/
@@ -343,6 +517,7 @@ static int jent_measure_jitter(struct rand_data *ec)
{
__u64 time = 0;
__u64 current_delta = 0;
+ int stuck;
/* Invoke one noise source before time measurement to add variations */
jent_memaccess(ec, 0);
@@ -352,22 +527,23 @@ static int jent_measure_jitter(struct rand_data *ec)
* invocation to measure the timing variations
*/
jent_get_nstime(&time);
- current_delta = time - ec->prev_time;
+ current_delta = jent_delta(ec->prev_time, time);
ec->prev_time = time;
+ /* Check whether we have a stuck measurement. */
+ stuck = jent_stuck(ec, current_delta);
+
/* Now call the next noise sources which also injects the data */
- jent_lfsr_time(ec, current_delta, 0);
+ jent_lfsr_time(ec, current_delta, 0, stuck);
- /* Check whether we have a stuck measurement. */
- return jent_stuck(ec, current_delta);
+ return stuck;
}
/**
* Generator of one 64 bit random number
* Function fills rand_data->data
*
- * Input:
- * @ec Reference to entropy collector
+ * @ec [in] Reference to entropy collector
*/
static void jent_gen_entropy(struct rand_data *ec)
{
@@ -391,31 +567,6 @@ static void jent_gen_entropy(struct rand_data *ec)
}
/**
- * The continuous test required by FIPS 140-2 -- the function automatically
- * primes the test if needed.
- *
- * Return:
- * returns normally if FIPS test passed
- * panics the kernel if FIPS test failed
- */
-static void jent_fips_test(struct rand_data *ec)
-{
- if (!jent_fips_enabled())
- return;
-
- /* prime the FIPS test */
- if (!ec->old_data) {
- ec->old_data = ec->data;
- jent_gen_entropy(ec);
- }
-
- if (ec->data == ec->old_data)
- jent_panic("jitterentropy: Duplicate output detected\n");
-
- ec->old_data = ec->data;
-}
-
-/**
* Entry function: Obtain entropy for the caller.
*
* This function invokes the entropy gathering logic as often to generate
@@ -425,17 +576,18 @@ static void jent_fips_test(struct rand_data *ec)
* This function truncates the last 64 bit entropy value output to the exact
* size specified by the caller.
*
- * Input:
- * @ec Reference to entropy collector
- * @data pointer to buffer for storing random data -- buffer must already
- * exist
- * @len size of the buffer, specifying also the requested number of random
- * in bytes
+ * @ec [in] Reference to entropy collector
+ * @data [in] pointer to buffer for storing random data -- buffer must already
+ * exist
+ * @len [in] size of the buffer, specifying also the requested number of random
+ * in bytes
*
* @return 0 when request is fulfilled or an error
*
* The following error codes can occur:
* -1 entropy_collector is NULL
+ * -2 RCT failed
+ * -3 APT test failed
*/
int jent_read_entropy(struct rand_data *ec, unsigned char *data,
unsigned int len)
@@ -449,7 +601,42 @@ int jent_read_entropy(struct rand_data *ec, unsigned char *data,
unsigned int tocopy;
jent_gen_entropy(ec);
- jent_fips_test(ec);
+
+ if (jent_health_failure(ec)) {
+ int ret;
+
+ if (jent_rct_failure(ec))
+ ret = -2;
+ else
+ ret = -3;
+
+ /*
+ * Re-initialize the noise source
+ *
+ * If the health test fails, the Jitter RNG remains
+ * in failure state and will return a health failure
+ * during next invocation.
+ */
+ if (jent_entropy_init())
+ return ret;
+
+ /* Set APT to initial state */
+ jent_apt_reset(ec, 0);
+ ec->apt_base_set = 0;
+
+ /* Set RCT to initial state */
+ ec->rct_count = 0;
+
+ /* Re-enable Jitter RNG */
+ ec->health_failure = 0;
+
+ /*
+ * Return the health test failure status to the
+ * caller as the generated value is not appropriate.
+ */
+ return ret;
+ }
+
if ((DATA_SIZE_BITS / 8) < len)
tocopy = (DATA_SIZE_BITS / 8);
else
@@ -513,11 +700,15 @@ int jent_entropy_init(void)
int i;
__u64 delta_sum = 0;
__u64 old_delta = 0;
+ unsigned int nonstuck = 0;
int time_backwards = 0;
int count_mod = 0;
int count_stuck = 0;
struct rand_data ec = { 0 };
+ /* Required for RCT */
+ ec.osr = 1;
+
/* We could perform statistical tests here, but the problem is
* that we only have a few loop counts to do testing. These
* loop counts may show some slight skew and we produce
@@ -539,8 +730,10 @@ int jent_entropy_init(void)
/*
* TESTLOOPCOUNT needs some loops to identify edge systems. 100 is
* definitely too little.
+ *
+ * SP800-90B requires at least 1024 initial test cycles.
*/
-#define TESTLOOPCOUNT 300
+#define TESTLOOPCOUNT 1024
#define CLEARCACHE 100
for (i = 0; (TESTLOOPCOUNT + CLEARCACHE) > i; i++) {
__u64 time = 0;
@@ -552,13 +745,13 @@ int jent_entropy_init(void)
/* Invoke core entropy collection logic */
jent_get_nstime(&time);
ec.prev_time = time;
- jent_lfsr_time(&ec, time, 0);
+ jent_lfsr_time(&ec, time, 0, 0);
jent_get_nstime(&time2);
/* test whether timer works */
if (!time || !time2)
return JENT_ENOTIME;
- delta = time2 - time;
+ delta = jent_delta(time, time2);
/*
* test whether timer is fine grained enough to provide
* delta even when called shortly after each other -- this
@@ -581,6 +774,28 @@ int jent_entropy_init(void)
if (stuck)
count_stuck++;
+ else {
+ nonstuck++;
+
+ /*
+ * Ensure that the APT succeeded.
+ *
+ * With the check below that count_stuck must be less
+ * than 10% of the overall generated raw entropy values
+ * it is guaranteed that the APT is invoked at
+ * floor((TESTLOOPCOUNT * 0.9) / 64) == 14 times.
+ */
+ if ((nonstuck % JENT_APT_WINDOW_SIZE) == 0) {
+ jent_apt_reset(&ec,
+ delta & JENT_APT_WORD_MASK);
+ if (jent_health_failure(&ec))
+ return JENT_EHEALTH;
+ }
+ }
+
+ /* Validate RCT */
+ if (jent_rct_failure(&ec))
+ return JENT_ERCT;
/* test whether we have an increasing timer */
if (!(time2 > time))
diff --git a/crypto/lrw.c b/crypto/lrw.c
index 376d7ed3f1f8..5b07a7c09296 100644
--- a/crypto/lrw.c
+++ b/crypto/lrw.c
@@ -287,7 +287,7 @@ static void exit_tfm(struct crypto_skcipher *tfm)
crypto_free_skcipher(ctx->child);
}
-static void free(struct skcipher_instance *inst)
+static void crypto_lrw_free(struct skcipher_instance *inst)
{
crypto_drop_skcipher(skcipher_instance_ctx(inst));
kfree(inst);
@@ -400,12 +400,12 @@ static int create(struct crypto_template *tmpl, struct rtattr **tb)
inst->alg.encrypt = encrypt;
inst->alg.decrypt = decrypt;
- inst->free = free;
+ inst->free = crypto_lrw_free;
err = skcipher_register_instance(tmpl, inst);
if (err) {
err_free_inst:
- free(inst);
+ crypto_lrw_free(inst);
}
return err;
}
diff --git a/crypto/sha1_generic.c b/crypto/sha1_generic.c
index 7c57b844c382..1d43472fecbd 100644
--- a/crypto/sha1_generic.c
+++ b/crypto/sha1_generic.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
#include <crypto/sha1_base.h>
@@ -31,10 +30,10 @@ EXPORT_SYMBOL_GPL(sha1_zero_message_hash);
static void sha1_generic_block_fn(struct sha1_state *sst, u8 const *src,
int blocks)
{
- u32 temp[SHA_WORKSPACE_WORDS];
+ u32 temp[SHA1_WORKSPACE_WORDS];
while (blocks--) {
- sha_transform(sst->state, src, temp);
+ sha1_transform(sst->state, src, temp);
src += SHA1_BLOCK_SIZE;
}
memzero_explicit(temp, sizeof(temp));
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index f2d7095d4f2d..88156e3e2a33 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -35,27 +35,31 @@ EXPORT_SYMBOL_GPL(sha256_zero_message_hash);
static int crypto_sha256_init(struct shash_desc *desc)
{
- return sha256_init(shash_desc_ctx(desc));
+ sha256_init(shash_desc_ctx(desc));
+ return 0;
}
static int crypto_sha224_init(struct shash_desc *desc)
{
- return sha224_init(shash_desc_ctx(desc));
+ sha224_init(shash_desc_ctx(desc));
+ return 0;
}
int crypto_sha256_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
- return sha256_update(shash_desc_ctx(desc), data, len);
+ sha256_update(shash_desc_ctx(desc), data, len);
+ return 0;
}
EXPORT_SYMBOL(crypto_sha256_update);
static int crypto_sha256_final(struct shash_desc *desc, u8 *out)
{
if (crypto_shash_digestsize(desc->tfm) == SHA224_DIGEST_SIZE)
- return sha224_final(shash_desc_ctx(desc), out);
+ sha224_final(shash_desc_ctx(desc), out);
else
- return sha256_final(shash_desc_ctx(desc), out);
+ sha256_final(shash_desc_ctx(desc), out);
+ return 0;
}
int crypto_sha256_finup(struct shash_desc *desc, const u8 *data,
diff --git a/crypto/shash.c b/crypto/shash.c
index c075b26c2a1d..e6a4b5f39b8c 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -206,6 +206,22 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
}
EXPORT_SYMBOL_GPL(crypto_shash_digest);
+int crypto_shash_tfm_digest(struct crypto_shash *tfm, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ SHASH_DESC_ON_STACK(desc, tfm);
+ int err;
+
+ desc->tfm = tfm;
+
+ err = crypto_shash_digest(desc, data, len, out);
+
+ shash_desc_zero(desc);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(crypto_shash_tfm_digest);
+
static int shash_default_export(struct shash_desc *desc, void *out)
{
memcpy(out, shash_desc_ctx(desc), crypto_shash_descsize(desc->tfm));
diff --git a/crypto/xts.c b/crypto/xts.c
index dbdd8af629e6..3565f3b863a6 100644
--- a/crypto/xts.c
+++ b/crypto/xts.c
@@ -322,7 +322,7 @@ static void exit_tfm(struct crypto_skcipher *tfm)
crypto_free_cipher(ctx->tweak);
}
-static void free(struct skcipher_instance *inst)
+static void crypto_xts_free(struct skcipher_instance *inst)
{
crypto_drop_skcipher(skcipher_instance_ctx(inst));
kfree(inst);
@@ -434,12 +434,12 @@ static int create(struct crypto_template *tmpl, struct rtattr **tb)
inst->alg.encrypt = encrypt;
inst->alg.decrypt = decrypt;
- inst->free = free;
+ inst->free = crypto_xts_free;
err = skcipher_register_instance(tmpl, inst);
if (err) {
err_free_inst:
- free(inst);
+ crypto_xts_free(inst);
}
return err;
}
diff --git a/drivers/acpi/acpi_dbg.c b/drivers/acpi/acpi_dbg.c
index 7a265c2171c0..6041974c7627 100644
--- a/drivers/acpi/acpi_dbg.c
+++ b/drivers/acpi/acpi_dbg.c
@@ -745,7 +745,7 @@ static const struct acpi_debugger_ops acpi_aml_debugger = {
.notify_command_complete = acpi_aml_notify_command_complete,
};
-int __init acpi_aml_init(void)
+static int __init acpi_aml_init(void)
{
int ret;
@@ -771,7 +771,7 @@ int __init acpi_aml_init(void)
return 0;
}
-void __exit acpi_aml_exit(void)
+static void __exit acpi_aml_exit(void)
{
if (acpi_aml_initialized) {
acpi_unregister_debugger(&acpi_aml_debugger);
diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c
index 953437a216f6..48e5059d67ca 100644
--- a/drivers/acpi/acpi_lpit.c
+++ b/drivers/acpi/acpi_lpit.c
@@ -151,10 +151,11 @@ void acpi_init_lpit(void)
struct acpi_table_lpit *lpit;
status = acpi_get_table(ACPI_SIG_LPIT, 0, (struct acpi_table_header **)&lpit);
-
if (ACPI_FAILURE(status))
return;
lpit_process((u64)lpit + sizeof(*lpit),
(u64)lpit + lpit->header.length);
+
+ acpi_put_table((struct acpi_table_header *)lpit);
}
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index dee999938213..5e2bfbcf526f 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -1041,7 +1041,7 @@ static int acpi_lpss_do_suspend_late(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
ret = pm_generic_suspend_late(dev);
@@ -1093,6 +1093,9 @@ static int acpi_lpss_resume_early(struct device *dev)
if (pdata->dev_desc->resume_from_noirq)
return 0;
+ if (dev_pm_skip_resume(dev))
+ return 0;
+
return acpi_lpss_do_resume_early(dev);
}
@@ -1102,12 +1105,9 @@ static int acpi_lpss_resume_noirq(struct device *dev)
int ret;
/* Follow acpi_subsys_resume_noirq(). */
- if (dev_pm_may_skip_resume(dev))
+ if (dev_pm_skip_resume(dev))
return 0;
- if (dev_pm_smart_suspend_and_suspended(dev))
- pm_runtime_set_active(dev);
-
ret = pm_generic_resume_noirq(dev);
if (ret)
return ret;
@@ -1169,7 +1169,7 @@ static int acpi_lpss_poweroff_late(struct device *dev)
{
struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
if (pdata->dev_desc->resume_from_noirq)
@@ -1182,7 +1182,7 @@ static int acpi_lpss_poweroff_noirq(struct device *dev)
{
struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev));
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
if (pdata->dev_desc->resume_from_noirq) {
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c
index 33a4bcdaa4d7..7d45cce0c3c1 100644
--- a/drivers/acpi/acpi_tad.c
+++ b/drivers/acpi/acpi_tad.c
@@ -624,7 +624,7 @@ static int acpi_tad_probe(struct platform_device *pdev)
*/
device_init_wakeup(dev, true);
dev_pm_set_driver_flags(dev, DPM_FLAG_SMART_SUSPEND |
- DPM_FLAG_LEAVE_SUSPENDED);
+ DPM_FLAG_MAY_SKIP_RESUME);
/*
* The platform bus type layer tells the ACPI PM domain powers up the
* device, so set the runtime PM status of it to "active".
diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c
index 6e9ec6e3fe47..5c1e9ea43123 100644
--- a/drivers/acpi/acpi_watchdog.c
+++ b/drivers/acpi/acpi_watchdog.c
@@ -73,6 +73,7 @@ static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void)
}
if (acpi_watchdog_uses_rtc(wdat)) {
+ acpi_put_table((struct acpi_table_header *)wdat);
pr_info("Skipping WDAT on this system because it uses RTC SRAM\n");
return NULL;
}
@@ -117,12 +118,12 @@ void __init acpi_watchdog_init(void)
/* Watchdog disabled by BIOS */
if (!(wdat->flags & ACPI_WDAT_ENABLED))
- return;
+ goto fail_put_wdat;
/* Skip legacy PCI WDT devices */
if (wdat->pci_segment != 0xff || wdat->pci_bus != 0xff ||
wdat->pci_device != 0xff || wdat->pci_function != 0xff)
- return;
+ goto fail_put_wdat;
INIT_LIST_HEAD(&resource_list);
@@ -188,4 +189,6 @@ void __init acpi_watchdog_init(void)
fail_free_resource_list:
resource_list_free(&resource_list);
+fail_put_wdat:
+ acpi_put_table((struct acpi_table_header *)wdat);
}
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 38ffa2c0a496..1030a0ce1599 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -290,6 +290,7 @@ ACPI_GLOBAL(struct acpi_external_file *, acpi_gbl_external_file_list);
#ifdef ACPI_DEBUGGER
ACPI_INIT_GLOBAL(u8, acpi_gbl_abort_method, FALSE);
ACPI_INIT_GLOBAL(acpi_thread_id, acpi_gbl_db_thread_id, ACPI_INVALID_THREAD_ID);
+ACPI_INIT_GLOBAL(u32, acpi_gbl_next_cmd_num, 1);
ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_ini_methods);
ACPI_GLOBAL(u8, acpi_gbl_db_opt_no_region_support);
diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index cd0f5df0ea23..2cbb56652f1c 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -640,10 +640,10 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
{{"_NIC", METHOD_0ARGS, /* ACPI 6.3 */
METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
- {{"_NIG", METHOD_1ARGS(ACPI_TYPE_BUFFER), /* ACPI 6.3 */
+ {{"_NIG", METHOD_0ARGS, /* ACPI 6.3 */
METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
- {{"_NIH", METHOD_0ARGS, /* ACPI 6.3 */
+ {{"_NIH", METHOD_1ARGS(ACPI_TYPE_BUFFER), /* ACPI 6.3 */
METHOD_RETURNS(ACPI_RTYPE_BUFFER)}},
{{"_NTT", METHOD_0ARGS,
diff --git a/drivers/acpi/acpica/dbhistry.c b/drivers/acpi/acpica/dbhistry.c
index bb9600b867ee..f5fba14461a6 100644
--- a/drivers/acpi/acpica/dbhistry.c
+++ b/drivers/acpi/acpica/dbhistry.c
@@ -27,7 +27,6 @@ static HISTORY_INFO acpi_gbl_history_buffer[HISTORY_SIZE];
static u16 acpi_gbl_lo_history = 0;
static u16 acpi_gbl_num_history = 0;
static u16 acpi_gbl_next_history_index = 0;
-u32 acpi_gbl_next_cmd_num = 1;
/*******************************************************************************
*
diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c
index c901f5aec739..fa768b3a989e 100644
--- a/drivers/acpi/acpica/dsfield.c
+++ b/drivers/acpi/acpica/dsfield.c
@@ -177,7 +177,10 @@ acpi_ds_create_buffer_field(union acpi_parse_object *op,
arg->common.value.string, ACPI_TYPE_ANY,
ACPI_IMODE_LOAD_PASS1, flags,
walk_state, &node);
- if (ACPI_FAILURE(status)) {
+ if ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE)
+ && status == AE_ALREADY_EXISTS) {
+ status = AE_OK;
+ } else if (ACPI_FAILURE(status)) {
ACPI_ERROR_NAMESPACE(walk_state->scope_info,
arg->common.value.string, status);
return_ACPI_STATUS(status);
@@ -514,13 +517,20 @@ acpi_ds_create_field(union acpi_parse_object *op,
info.region_node = region_node;
status = acpi_ds_get_field_names(&info, walk_state, arg->common.next);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
if (info.region_node->object->region.space_id ==
- ACPI_ADR_SPACE_PLATFORM_COMM
- && !(region_node->object->field.internal_pcc_buffer =
- ACPI_ALLOCATE_ZEROED(info.region_node->object->region.
- length))) {
- return_ACPI_STATUS(AE_NO_MEMORY);
+ ACPI_ADR_SPACE_PLATFORM_COMM) {
+ region_node->object->field.internal_pcc_buffer =
+ ACPI_ALLOCATE_ZEROED(info.region_node->object->region.
+ length);
+ if (!region_node->object->field.internal_pcc_buffer) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
}
+
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index e85eb31e5075..3323a2ba6a31 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -22,7 +22,7 @@ ACPI_MODULE_NAME("exfield")
*/
#define ACPI_INVALID_PROTOCOL_ID 0x80
#define ACPI_MAX_PROTOCOL_ID 0x0F
-const u8 acpi_protocol_lengths[] = {
+static const u8 acpi_protocol_lengths[] = {
ACPI_INVALID_PROTOCOL_ID, /* 0 - reserved */
ACPI_INVALID_PROTOCOL_ID, /* 1 - reserved */
0x00, /* 2 - ATTRIB_QUICK */
diff --git a/drivers/acpi/apei/bert.c b/drivers/acpi/apei/bert.c
index 1155fb9dcc3a..19e50fcbf4d6 100644
--- a/drivers/acpi/apei/bert.c
+++ b/drivers/acpi/apei/bert.c
@@ -119,7 +119,7 @@ static int __init bert_init(void)
rc = bert_check_table(bert_tab);
if (rc) {
pr_err(FW_BUG "table invalid.\n");
- return rc;
+ goto out_put_bert_tab;
}
region_len = bert_tab->region_length;
@@ -127,7 +127,7 @@ static int __init bert_init(void)
rc = apei_resources_add(&bert_resources, bert_tab->address,
region_len, true);
if (rc)
- return rc;
+ goto out_put_bert_tab;
rc = apei_resources_request(&bert_resources, "APEI BERT");
if (rc)
goto out_fini;
@@ -142,6 +142,8 @@ static int __init bert_init(void)
apei_resources_release(&bert_resources);
out_fini:
apei_resources_fini(&bert_resources);
+out_put_bert_tab:
+ acpi_put_table((struct acpi_table_header *)bert_tab);
return rc;
}
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 086373f8ccb1..133156759551 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -692,7 +692,7 @@ static int __init einj_init(void)
rc = einj_check_table(einj_tab);
if (rc) {
pr_warn(FW_BUG "Invalid EINJ table.\n");
- return -EINVAL;
+ goto err_put_table;
}
rc = -ENOMEM;
@@ -760,6 +760,8 @@ err_release:
err_fini:
apei_resources_fini(&einj_resources);
debugfs_remove_recursive(einj_debug_dir);
+err_put_table:
+ acpi_put_table((struct acpi_table_header *)einj_tab);
return rc;
}
@@ -780,6 +782,7 @@ static void __exit einj_exit(void)
apei_resources_release(&einj_resources);
apei_resources_fini(&einj_resources);
debugfs_remove_recursive(einj_debug_dir);
+ acpi_put_table((struct acpi_table_header *)einj_tab);
}
module_init(einj_init);
diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c
index 2015a0967cbb..2e0b0fcad960 100644
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -1122,7 +1122,7 @@ static int __init erst_init(void)
rc = erst_check_table(erst_tab);
if (rc) {
pr_err(FW_BUG "ERST table is invalid.\n");
- goto err;
+ goto err_put_erst_tab;
}
apei_resources_init(&erst_resources);
@@ -1196,6 +1196,8 @@ err_release:
apei_resources_release(&erst_resources);
err_fini:
apei_resources_fini(&erst_resources);
+err_put_erst_tab:
+ acpi_put_table((struct acpi_table_header *)erst_tab);
err:
erst_disable = 1;
return rc;
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 24c9642e8fc7..81bf71b10d44 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -40,6 +40,7 @@
#include <linux/sched/clock.h>
#include <linux/uuid.h>
#include <linux/ras.h>
+#include <linux/task_work.h>
#include <acpi/actbl1.h>
#include <acpi/ghes.h>
@@ -167,12 +168,6 @@ int ghes_estatus_pool_init(int num_ghes)
if (!addr)
goto err_pool_alloc;
- /*
- * New allocation must be visible in all pgd before it can be found by
- * an NMI allocating from the pool.
- */
- vmalloc_sync_mappings();
-
rc = gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
if (rc)
goto err_pool_add;
@@ -414,23 +409,46 @@ static void ghes_clear_estatus(struct ghes *ghes,
ghes_ack_error(ghes->generic_v2);
}
-static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int sev)
+/*
+ * Called as task_work before returning to user-space.
+ * Ensure any queued work has been done before we return to the context that
+ * triggered the notification.
+ */
+static void ghes_kick_task_work(struct callback_head *head)
+{
+ struct acpi_hest_generic_status *estatus;
+ struct ghes_estatus_node *estatus_node;
+ u32 node_len;
+
+ estatus_node = container_of(head, struct ghes_estatus_node, task_work);
+ if (IS_ENABLED(CONFIG_ACPI_APEI_MEMORY_FAILURE))
+ memory_failure_queue_kick(estatus_node->task_work_cpu);
+
+ estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
+ node_len = GHES_ESTATUS_NODE_LEN(cper_estatus_len(estatus));
+ gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node, node_len);
+}
+
+static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
+ int sev)
{
-#ifdef CONFIG_ACPI_APEI_MEMORY_FAILURE
unsigned long pfn;
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
+ if (!IS_ENABLED(CONFIG_ACPI_APEI_MEMORY_FAILURE))
+ return false;
+
if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
- return;
+ return false;
pfn = mem_err->physical_addr >> PAGE_SHIFT;
if (!pfn_valid(pfn)) {
pr_warn_ratelimited(FW_WARN GHES_PFX
"Invalid address in generic error data: %#llx\n",
mem_err->physical_addr);
- return;
+ return false;
}
/* iff following two events can be handled properly by now */
@@ -440,9 +458,12 @@ static void ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata, int
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
flags = 0;
- if (flags != -1)
+ if (flags != -1) {
memory_failure_queue(pfn, flags);
-#endif
+ return true;
+ }
+
+ return false;
}
/*
@@ -490,7 +511,7 @@ static void ghes_handle_aer(struct acpi_hest_generic_data *gdata)
#endif
}
-static void ghes_do_proc(struct ghes *ghes,
+static bool ghes_do_proc(struct ghes *ghes,
const struct acpi_hest_generic_status *estatus)
{
int sev, sec_sev;
@@ -498,6 +519,7 @@ static void ghes_do_proc(struct ghes *ghes,
guid_t *sec_type;
const guid_t *fru_id = &guid_null;
char *fru_text = "";
+ bool queued = false;
sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
@@ -515,7 +537,7 @@ static void ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(sev, mem_err);
arch_apei_report_mem_error(sev, mem_err);
- ghes_handle_memory_failure(gdata, sev);
+ queued = ghes_handle_memory_failure(gdata, sev);
}
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
ghes_handle_aer(gdata);
@@ -532,6 +554,8 @@ static void ghes_do_proc(struct ghes *ghes,
gdata->error_data_length);
}
}
+
+ return queued;
}
static void __ghes_print_estatus(const char *pfx,
@@ -827,7 +851,9 @@ static void ghes_proc_in_irq(struct irq_work *irq_work)
struct ghes_estatus_node *estatus_node;
struct acpi_hest_generic *generic;
struct acpi_hest_generic_status *estatus;
+ bool task_work_pending;
u32 len, node_len;
+ int ret;
llnode = llist_del_all(&ghes_estatus_llist);
/*
@@ -842,14 +868,26 @@ static void ghes_proc_in_irq(struct irq_work *irq_work)
estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
len = cper_estatus_len(estatus);
node_len = GHES_ESTATUS_NODE_LEN(len);
- ghes_do_proc(estatus_node->ghes, estatus);
+ task_work_pending = ghes_do_proc(estatus_node->ghes, estatus);
if (!ghes_estatus_cached(estatus)) {
generic = estatus_node->generic;
if (ghes_print_estatus(NULL, generic, estatus))
ghes_estatus_cache_add(generic, estatus);
}
- gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node,
- node_len);
+
+ if (task_work_pending && current->mm != &init_mm) {
+ estatus_node->task_work.func = ghes_kick_task_work;
+ estatus_node->task_work_cpu = smp_processor_id();
+ ret = task_work_add(current, &estatus_node->task_work,
+ true);
+ if (ret)
+ estatus_node->task_work.func = NULL;
+ }
+
+ if (!estatus_node->task_work.func)
+ gen_pool_free(ghes_estatus_pool,
+ (unsigned long)estatus_node, node_len);
+
llnode = next;
}
}
@@ -909,6 +947,7 @@ static int ghes_in_nmi_queue_one_entry(struct ghes *ghes,
estatus_node->ghes = ghes;
estatus_node->generic = ghes->generic;
+ estatus_node->task_work.func = NULL;
estatus = GHES_ESTATUS_FROM_NODE(estatus_node);
if (__ghes_read_estatus(estatus, buf_paddr, fixmap_idx, len)) {
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 822402480f7d..953a2fae8b15 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -243,8 +243,8 @@ void __init acpi_hest_init(void)
} else if (ACPI_FAILURE(status)) {
const char *msg = acpi_format_exception(status);
pr_err(HEST_PFX "Failed to get table, %s\n", msg);
- rc = -EINVAL;
- goto err;
+ hest_disable = HEST_DISABLED;
+ return;
}
rc = apei_hest_parse(hest_parse_cmc, NULL);
@@ -266,4 +266,5 @@ void __init acpi_hest_init(void)
return;
err:
hest_disable = HEST_DISABLED;
+ acpi_put_table((struct acpi_table_header *)hest_tab);
}
diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c
index 01962c63a711..f2d0e5915dab 100644
--- a/drivers/acpi/arm64/gtdt.c
+++ b/drivers/acpi/arm64/gtdt.c
@@ -394,7 +394,7 @@ static int __init gtdt_sbsa_gwdt_init(void)
*/
ret = acpi_gtdt_init(table, &timer_count);
if (ret || !timer_count)
- return ret;
+ goto out_put_gtdt;
for_each_platform_timer(platform_timer) {
if (is_non_secure_watchdog(platform_timer)) {
@@ -408,6 +408,8 @@ static int __init gtdt_sbsa_gwdt_init(void)
if (gwdt_count)
pr_info("found %d SBSA generic Watchdog(s).\n", gwdt_count);
+out_put_gtdt:
+ acpi_put_table(table);
return ret;
}
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 7d04424189df..28a6b387e80e 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -299,61 +299,8 @@ out:
return status;
}
-struct iort_workaround_oem_info {
- char oem_id[ACPI_OEM_ID_SIZE + 1];
- char oem_table_id[ACPI_OEM_TABLE_ID_SIZE + 1];
- u32 oem_revision;
-};
-
-static bool apply_id_count_workaround;
-
-static struct iort_workaround_oem_info wa_info[] __initdata = {
- {
- .oem_id = "HISI ",
- .oem_table_id = "HIP07 ",
- .oem_revision = 0,
- }, {
- .oem_id = "HISI ",
- .oem_table_id = "HIP08 ",
- .oem_revision = 0,
- }
-};
-
-static void __init
-iort_check_id_count_workaround(struct acpi_table_header *tbl)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(wa_info); i++) {
- if (!memcmp(wa_info[i].oem_id, tbl->oem_id, ACPI_OEM_ID_SIZE) &&
- !memcmp(wa_info[i].oem_table_id, tbl->oem_table_id, ACPI_OEM_TABLE_ID_SIZE) &&
- wa_info[i].oem_revision == tbl->oem_revision) {
- apply_id_count_workaround = true;
- pr_warn(FW_BUG "ID count for ID mapping entry is wrong, applying workaround\n");
- break;
- }
- }
-}
-
-static inline u32 iort_get_map_max(struct acpi_iort_id_mapping *map)
-{
- u32 map_max = map->input_base + map->id_count;
-
- /*
- * The IORT specification revision D (Section 3, table 4, page 9) says
- * Number of IDs = The number of IDs in the range minus one, but the
- * IORT code ignored the "minus one", and some firmware did that too,
- * so apply a workaround here to keep compatible with both the spec
- * compliant and non-spec compliant firmwares.
- */
- if (apply_id_count_workaround)
- map_max--;
-
- return map_max;
-}
-
static int iort_id_map(struct acpi_iort_id_mapping *map, u8 type, u32 rid_in,
- u32 *rid_out)
+ u32 *rid_out, bool check_overlap)
{
/* Single mapping does not care for input id */
if (map->flags & ACPI_IORT_ID_SINGLE_MAPPING) {
@@ -368,10 +315,37 @@ static int iort_id_map(struct acpi_iort_id_mapping *map, u8 type, u32 rid_in,
return -ENXIO;
}
- if (rid_in < map->input_base || rid_in > iort_get_map_max(map))
+ if (rid_in < map->input_base ||
+ (rid_in > map->input_base + map->id_count))
return -ENXIO;
+ if (check_overlap) {
+ /*
+ * We already found a mapping for this input ID at the end of
+ * another region. If it coincides with the start of this
+ * region, we assume the prior match was due to the off-by-1
+ * issue mentioned below, and allow it to be superseded.
+ * Otherwise, things are *really* broken, and we just disregard
+ * duplicate matches entirely to retain compatibility.
+ */
+ pr_err(FW_BUG "[map %p] conflicting mapping for input ID 0x%x\n",
+ map, rid_in);
+ if (rid_in != map->input_base)
+ return -ENXIO;
+
+ pr_err(FW_BUG "applying workaround.\n");
+ }
+
*rid_out = map->output_base + (rid_in - map->input_base);
+
+ /*
+ * Due to confusion regarding the meaning of the id_count field (which
+ * carries the number of IDs *minus 1*), we may have to disregard this
+ * match if it is at the end of the range, and overlaps with the start
+ * of another one.
+ */
+ if (map->id_count > 0 && rid_in == map->input_base + map->id_count)
+ return -EAGAIN;
return 0;
}
@@ -414,6 +388,7 @@ static struct acpi_iort_node *iort_node_get_id(struct acpi_iort_node *node,
static int iort_get_id_mapping_index(struct acpi_iort_node *node)
{
struct acpi_iort_smmu_v3 *smmu;
+ struct acpi_iort_pmcg *pmcg;
switch (node->type) {
case ACPI_IORT_NODE_SMMU_V3:
@@ -441,6 +416,10 @@ static int iort_get_id_mapping_index(struct acpi_iort_node *node)
return smmu->id_mapping_index;
case ACPI_IORT_NODE_PMCG:
+ pmcg = (struct acpi_iort_pmcg *)node->node_data;
+ if (pmcg->overflow_gsiv || node->mapping_count == 0)
+ return -EINVAL;
+
return 0;
default:
return -EINVAL;
@@ -456,7 +435,8 @@ static struct acpi_iort_node *iort_node_map_id(struct acpi_iort_node *node,
/* Parse the ID mapping tree to find specified node type */
while (node) {
struct acpi_iort_id_mapping *map;
- int i, index;
+ int i, index, rc = 0;
+ u32 out_ref = 0, map_id = id;
if (IORT_TYPE_MASK(node->type) & type_mask) {
if (id_out)
@@ -490,15 +470,18 @@ static struct acpi_iort_node *iort_node_map_id(struct acpi_iort_node *node,
if (i == index)
continue;
- if (!iort_id_map(map, node->type, id, &id))
+ rc = iort_id_map(map, node->type, map_id, &id, out_ref);
+ if (!rc)
break;
+ if (rc == -EAGAIN)
+ out_ref = map->output_reference;
}
- if (i == node->mapping_count)
+ if (i == node->mapping_count && !out_ref)
goto fail_map;
node = ACPI_ADD_PTR(struct acpi_iort_node, iort_table,
- map->output_reference);
+ rc ? out_ref : map->output_reference);
}
fail_map:
@@ -789,15 +772,6 @@ void acpi_configure_pmsi_domain(struct device *dev)
dev_set_msi_domain(dev, msi_domain);
}
-static int __maybe_unused __get_pci_rid(struct pci_dev *pdev, u16 alias,
- void *data)
-{
- u32 *rid = data;
-
- *rid = alias;
- return 0;
-}
-
#ifdef CONFIG_IOMMU_API
static struct acpi_iort_node *iort_get_msi_resv_iommu(struct device *dev)
{
@@ -1148,13 +1122,10 @@ void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size)
else
size = 1ULL << 32;
- if (dev_is_pci(dev)) {
- ret = acpi_dma_get_range(dev, &dmaaddr, &offset, &size);
- if (ret == -ENODEV)
- ret = rc_dma_get_range(dev, &size);
- } else {
- ret = nc_dma_get_range(dev, &size);
- }
+ ret = acpi_dma_get_range(dev, &dmaaddr, &offset, &size);
+ if (ret == -ENODEV)
+ ret = dev_is_pci(dev) ? rc_dma_get_range(dev, &size)
+ : nc_dma_get_range(dev, &size);
if (!ret) {
/*
@@ -1692,6 +1663,10 @@ void __init acpi_iort_init(void)
{
acpi_status status;
+ /* iort_table will be used at runtime after the iort init,
+ * so we don't need to call acpi_put_table() to release
+ * the IORT table mapping.
+ */
status = acpi_get_table(ACPI_SIG_IORT, 0, &iort_table);
if (ACPI_FAILURE(status)) {
if (status != AE_NOT_FOUND) {
@@ -1703,6 +1678,5 @@ void __init acpi_iort_init(void)
return;
}
- iort_check_id_count_workaround(iort_table);
iort_init_platform_devices();
}
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 00112cf15322..3c35e57dd854 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -24,7 +24,6 @@
#define PREFIX "ACPI: "
#define ACPI_BUTTON_CLASS "button"
-#define ACPI_BUTTON_FILE_INFO "info"
#define ACPI_BUTTON_FILE_STATE "state"
#define ACPI_BUTTON_TYPE_UNKNOWN 0x00
#define ACPI_BUTTON_NOTIFY_STATUS 0x80
@@ -88,18 +87,6 @@ static const struct dmi_system_id dmi_lid_quirks[] = {
.driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_DISABLED,
},
{
- /*
- * Asus T200TA, _LID keeps reporting closed after every second
- * openening of the lid. Causing immediate re-suspend after
- * opening every other open. Using LID_INIT_OPEN fixes this.
- */
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "T200TA"),
- },
- .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN,
- },
- {
/* GP-electronic T701, _LID method points to a floating GPIO */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 8b2e89c20c11..7a99b19bb893 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -350,7 +350,7 @@ static void cppc_chan_tx_done(struct mbox_client *cl, void *msg, int ret)
*(u16 *)msg, ret);
}
-struct mbox_client cppc_mbox_cl = {
+static struct mbox_client cppc_mbox_cl = {
.tx_done = cppc_chan_tx_done,
.knows_txdone = true,
};
@@ -597,7 +597,7 @@ bool __weak cpc_ffh_supported(void)
*
* Return: 0 for success, errno for failure
*/
-int pcc_data_alloc(int pcc_ss_id)
+static int pcc_data_alloc(int pcc_ss_id)
{
if (pcc_ss_id < 0 || pcc_ss_id >= MAX_PCC_SUBSPACES)
return -EINVAL;
@@ -846,6 +846,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
"acpi_cppc");
if (ret) {
per_cpu(cpc_desc_ptr, pr->id) = NULL;
+ kobject_put(&cpc_ptr->kobj);
goto out_free;
}
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index b2263ec67b43..b44b12a931e7 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -273,13 +273,13 @@ int acpi_device_set_power(struct acpi_device *device, int state)
end:
if (result) {
dev_warn(&device->dev, "Failed to change power state to %s\n",
- acpi_power_state_string(state));
+ acpi_power_state_string(target_state));
} else {
device->power.state = target_state;
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Device [%s] transitioned to %s\n",
device->pnp.bus_id,
- acpi_power_state_string(state)));
+ acpi_power_state_string(target_state)));
}
return result;
@@ -1084,7 +1084,7 @@ int acpi_subsys_suspend_late(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
ret = pm_generic_suspend_late(dev);
@@ -1100,10 +1100,8 @@ int acpi_subsys_suspend_noirq(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev)) {
- dev->power.may_skip_resume = true;
+ if (dev_pm_skip_suspend(dev))
return 0;
- }
ret = pm_generic_suspend_noirq(dev);
if (ret)
@@ -1116,8 +1114,8 @@ int acpi_subsys_suspend_noirq(struct device *dev)
* acpi_subsys_complete() to take care of fixing up the device's state
* anyway, if need be.
*/
- dev->power.may_skip_resume = device_may_wakeup(dev) ||
- !device_can_wakeup(dev);
+ if (device_can_wakeup(dev) && !device_may_wakeup(dev))
+ dev->power.may_skip_resume = false;
return 0;
}
@@ -1129,17 +1127,9 @@ EXPORT_SYMBOL_GPL(acpi_subsys_suspend_noirq);
*/
static int acpi_subsys_resume_noirq(struct device *dev)
{
- if (dev_pm_may_skip_resume(dev))
+ if (dev_pm_skip_resume(dev))
return 0;
- /*
- * Devices with DPM_FLAG_SMART_SUSPEND may be left in runtime suspend
- * during system suspend, so update their runtime PM status to "active"
- * as they will be put into D0 going forward.
- */
- if (dev_pm_smart_suspend_and_suspended(dev))
- pm_runtime_set_active(dev);
-
return pm_generic_resume_noirq(dev);
}
@@ -1153,7 +1143,12 @@ static int acpi_subsys_resume_noirq(struct device *dev)
*/
static int acpi_subsys_resume_early(struct device *dev)
{
- int ret = acpi_dev_resume(dev);
+ int ret;
+
+ if (dev_pm_skip_resume(dev))
+ return 0;
+
+ ret = acpi_dev_resume(dev);
return ret ? ret : pm_generic_resume_early(dev);
}
@@ -1218,7 +1213,7 @@ static int acpi_subsys_poweroff_late(struct device *dev)
{
int ret;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
ret = pm_generic_poweroff_late(dev);
@@ -1234,7 +1229,7 @@ static int acpi_subsys_poweroff_late(struct device *dev)
*/
static int acpi_subsys_poweroff_noirq(struct device *dev)
{
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
return pm_generic_poweroff_noirq(dev);
diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c
index e4e8b75d39f0..5fab7e350db8 100644
--- a/drivers/acpi/dptf/dptf_power.c
+++ b/drivers/acpi/dptf/dptf_power.c
@@ -10,12 +10,19 @@
#include <linux/platform_device.h>
/*
- * Presentation of attributes which are defined for INT3407. They are:
+ * Presentation of attributes which are defined for INT3407 and INT3532.
+ * They are:
* PMAX : Maximum platform powe
* PSRC : Platform power source
* ARTG : Adapter rating
* CTYP : Charger type
* PBSS : Battery steady power
+ * PROP : Rest of worst case platform Power
+ * PBSS : Power Battery Steady State
+ * PBSS : Power Battery Steady State
+ * RBHF : High Frequency Impedance
+ * VBNL : Instantaneous No-Load Voltage
+ * CMPP : Current Discharge Capability
*/
#define DPTF_POWER_SHOW(name, object) \
static ssize_t name##_show(struct device *dev,\
@@ -39,12 +46,42 @@ DPTF_POWER_SHOW(platform_power_source, PSRC)
DPTF_POWER_SHOW(adapter_rating_mw, ARTG)
DPTF_POWER_SHOW(battery_steady_power_mw, PBSS)
DPTF_POWER_SHOW(charger_type, CTYP)
+DPTF_POWER_SHOW(rest_of_platform_power_mw, PROP)
+DPTF_POWER_SHOW(max_steady_state_power_mw, PBSS)
+DPTF_POWER_SHOW(high_freq_impedance_mohm, RBHF)
+DPTF_POWER_SHOW(no_load_voltage_mv, VBNL)
+DPTF_POWER_SHOW(current_discharge_capbility_ma, CMPP);
static DEVICE_ATTR_RO(max_platform_power_mw);
static DEVICE_ATTR_RO(platform_power_source);
static DEVICE_ATTR_RO(adapter_rating_mw);
static DEVICE_ATTR_RO(battery_steady_power_mw);
static DEVICE_ATTR_RO(charger_type);
+static DEVICE_ATTR_RO(rest_of_platform_power_mw);
+static DEVICE_ATTR_RO(max_steady_state_power_mw);
+static DEVICE_ATTR_RO(high_freq_impedance_mohm);
+static DEVICE_ATTR_RO(no_load_voltage_mv);
+static DEVICE_ATTR_RO(current_discharge_capbility_ma);
+
+static ssize_t prochot_confirm_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct acpi_device *acpi_dev = dev_get_drvdata(dev);
+ acpi_status status;
+ int seq_no;
+
+ if (kstrtouint(buf, 0, &seq_no) < 0)
+ return -EINVAL;
+
+ status = acpi_execute_simple_method(acpi_dev->handle, "PBOK", seq_no);
+ if (ACPI_SUCCESS(status))
+ return count;
+
+ return -EINVAL;
+}
+
+static DEVICE_ATTR_WO(prochot_confirm);
static struct attribute *dptf_power_attrs[] = {
&dev_attr_max_platform_power_mw.attr,
@@ -52,6 +89,8 @@ static struct attribute *dptf_power_attrs[] = {
&dev_attr_adapter_rating_mw.attr,
&dev_attr_battery_steady_power_mw.attr,
&dev_attr_charger_type.attr,
+ &dev_attr_rest_of_platform_power_mw.attr,
+ &dev_attr_prochot_confirm.attr,
NULL
};
@@ -60,10 +99,79 @@ static const struct attribute_group dptf_power_attribute_group = {
.name = "dptf_power"
};
+static struct attribute *dptf_battery_attrs[] = {
+ &dev_attr_max_platform_power_mw.attr,
+ &dev_attr_max_steady_state_power_mw.attr,
+ &dev_attr_high_freq_impedance_mohm.attr,
+ &dev_attr_no_load_voltage_mv.attr,
+ &dev_attr_current_discharge_capbility_ma.attr,
+ NULL
+};
+
+static const struct attribute_group dptf_battery_attribute_group = {
+ .attrs = dptf_battery_attrs,
+ .name = "dptf_battery"
+};
+
+#define MAX_POWER_CHANGED 0x80
+#define POWER_STATE_CHANGED 0x81
+#define STEADY_STATE_POWER_CHANGED 0x83
+#define POWER_PROP_CHANGE_EVENT 0x84
+#define IMPEDANCED_CHNGED 0x85
+#define VOLTAGE_CURRENT_CHANGED 0x86
+
+static long long dptf_participant_type(acpi_handle handle)
+{
+ unsigned long long ptype;
+ acpi_status status;
+
+ status = acpi_evaluate_integer(handle, "PTYP", NULL, &ptype);
+ if (ACPI_FAILURE(status))
+ return -ENODEV;
+
+ return ptype;
+}
+
+static void dptf_power_notify(acpi_handle handle, u32 event, void *data)
+{
+ struct platform_device *pdev = data;
+ char *attr;
+
+ switch (event) {
+ case POWER_STATE_CHANGED:
+ attr = "platform_power_source";
+ break;
+ case POWER_PROP_CHANGE_EVENT:
+ attr = "rest_of_platform_power_mw";
+ break;
+ case MAX_POWER_CHANGED:
+ attr = "max_platform_power_mw";
+ break;
+ case STEADY_STATE_POWER_CHANGED:
+ attr = "max_steady_state_power_mw";
+ break;
+ case VOLTAGE_CURRENT_CHANGED:
+ attr = "no_load_voltage_mv";
+ break;
+ default:
+ dev_err(&pdev->dev, "Unsupported event [0x%x]\n", event);
+ return;
+ }
+
+ /*
+ * Notify that an attribute is changed, so that user space can read
+ * again.
+ */
+ if (dptf_participant_type(handle) == 0x0CULL)
+ sysfs_notify(&pdev->dev.kobj, "dptf_battery", attr);
+ else
+ sysfs_notify(&pdev->dev.kobj, "dptf_power", attr);
+}
+
static int dptf_power_add(struct platform_device *pdev)
{
+ const struct attribute_group *attr_group;
struct acpi_device *acpi_dev;
- acpi_status status;
unsigned long long ptype;
int result;
@@ -71,17 +179,29 @@ static int dptf_power_add(struct platform_device *pdev)
if (!acpi_dev)
return -ENODEV;
- status = acpi_evaluate_integer(acpi_dev->handle, "PTYP", NULL, &ptype);
- if (ACPI_FAILURE(status))
+ ptype = dptf_participant_type(acpi_dev->handle);
+ if (ptype == 0x11)
+ attr_group = &dptf_power_attribute_group;
+ else if (ptype == 0x0C)
+ attr_group = &dptf_battery_attribute_group;
+ else
return -ENODEV;
- if (ptype != 0x11)
- return -ENODEV;
+ result = acpi_install_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify,
+ (void *)pdev);
+ if (result)
+ return result;
result = sysfs_create_group(&pdev->dev.kobj,
- &dptf_power_attribute_group);
- if (result)
+ attr_group);
+ if (result) {
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
return result;
+ }
platform_set_drvdata(pdev, acpi_dev);
@@ -90,14 +210,23 @@ static int dptf_power_add(struct platform_device *pdev)
static int dptf_power_remove(struct platform_device *pdev)
{
+ struct acpi_device *acpi_dev = platform_get_drvdata(pdev);
+
+ acpi_remove_notify_handler(acpi_dev->handle,
+ ACPI_DEVICE_NOTIFY,
+ dptf_power_notify);
- sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
+ if (dptf_participant_type(acpi_dev->handle) == 0x0CULL)
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_battery_attribute_group);
+ else
+ sysfs_remove_group(&pdev->dev.kobj, &dptf_power_attribute_group);
return 0;
}
static const struct acpi_device_id int3407_device_ids[] = {
{"INT3407", 0},
+ {"INT3532", 0},
{"INTC1047", 0},
{"", 0},
};
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index b4c0152e92aa..04ce2b96c3da 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -34,7 +34,6 @@
#define ACPI_EC_CLASS "embedded_controller"
#define ACPI_EC_DEVICE_NAME "Embedded Controller"
-#define ACPI_EC_FILE_INFO "info"
/* EC status register */
#define ACPI_EC_FLAG_OBF 0x01 /* Output buffer full */
@@ -1783,13 +1782,14 @@ static void __init acpi_ec_ecdt_start(void)
return;
status = acpi_get_handle(NULL, ecdt_ptr->id, &handle);
- if (ACPI_FAILURE(status))
- return;
+ if (ACPI_SUCCESS(status)) {
+ boot_ec->handle = handle;
- boot_ec->handle = handle;
+ /* Add a special ACPI device object to represent the boot EC. */
+ acpi_bus_register_early_device(ACPI_BUS_TYPE_ECDT_EC);
+ }
- /* Add a special ACPI device object to represent the boot EC. */
- acpi_bus_register_early_device(ACPI_BUS_TYPE_ECDT_EC);
+ acpi_put_table((struct acpi_table_header *)ecdt_ptr);
}
/*
@@ -1891,12 +1891,12 @@ void __init acpi_ec_ecdt_probe(void)
* Asus X50GL:
* https://bugzilla.kernel.org/show_bug.cgi?id=11880
*/
- return;
+ goto out;
}
ec = acpi_ec_alloc();
if (!ec)
- return;
+ goto out;
if (EC_FLAGS_CORRECT_ECDT) {
ec->command_addr = ecdt_ptr->data.address;
@@ -1922,13 +1922,16 @@ void __init acpi_ec_ecdt_probe(void)
ret = acpi_ec_setup(ec, NULL);
if (ret) {
acpi_ec_free(ec);
- return;
+ goto out;
}
boot_ec = ec;
boot_ec_is_ecdt = true;
pr_info("Boot ECDT EC used to handle transactions\n");
+
+out:
+ acpi_put_table((struct acpi_table_header *)ecdt_ptr);
}
#ifdef CONFIG_PM_SLEEP
@@ -1994,23 +1997,35 @@ void acpi_ec_set_gpe_wake_mask(u8 action)
acpi_set_gpe_wake_mask(NULL, first_ec->gpe, action);
}
-bool acpi_ec_other_gpes_active(void)
-{
- return acpi_any_gpe_status_set(first_ec ? first_ec->gpe : U32_MAX);
-}
-
bool acpi_ec_dispatch_gpe(void)
{
u32 ret;
if (!first_ec)
+ return acpi_any_gpe_status_set(U32_MAX);
+
+ /*
+ * Report wakeup if the status bit is set for any enabled GPE other
+ * than the EC one.
+ */
+ if (acpi_any_gpe_status_set(first_ec->gpe))
+ return true;
+
+ if (ec_no_wakeup)
return false;
+ /*
+ * Dispatch the EC GPE in-band, but do not report wakeup in any case
+ * to allow the caller to process events properly after that.
+ */
ret = acpi_dispatch_gpe(NULL, first_ec->gpe);
if (ret == ACPI_INTERRUPT_HANDLED) {
- pm_pr_dbg("EC GPE dispatched\n");
- return true;
+ pm_pr_dbg("ACPI EC GPE dispatched\n");
+
+ /* Flush the event and query workqueues. */
+ acpi_ec_flush_work();
}
+
return false;
}
#endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/acpi/evged.c b/drivers/acpi/evged.c
index aba0d0027586..ccd900690b6f 100644
--- a/drivers/acpi/evged.c
+++ b/drivers/acpi/evged.c
@@ -79,6 +79,8 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares,
struct resource r;
struct acpi_resource_irq *p = &ares->data.irq;
struct acpi_resource_extended_irq *pext = &ares->data.extended_irq;
+ char ev_name[5];
+ u8 trigger;
if (ares->type == ACPI_RESOURCE_TYPE_END_TAG)
return AE_OK;
@@ -87,14 +89,28 @@ static acpi_status acpi_ged_request_interrupt(struct acpi_resource *ares,
dev_err(dev, "unable to parse IRQ resource\n");
return AE_ERROR;
}
- if (ares->type == ACPI_RESOURCE_TYPE_IRQ)
+ if (ares->type == ACPI_RESOURCE_TYPE_IRQ) {
gsi = p->interrupts[0];
- else
+ trigger = p->triggering;
+ } else {
gsi = pext->interrupts[0];
+ trigger = pext->triggering;
+ }
irq = r.start;
- if (ACPI_FAILURE(acpi_get_handle(handle, "_EVT", &evt_handle))) {
+ switch (gsi) {
+ case 0 ... 255:
+ sprintf(ev_name, "_%c%02hhX",
+ trigger == ACPI_EDGE_SENSITIVE ? 'E' : 'L', gsi);
+
+ if (ACPI_SUCCESS(acpi_get_handle(handle, ev_name, &evt_handle)))
+ break;
+ /* fall through */
+ default:
+ if (ACPI_SUCCESS(acpi_get_handle(handle, "_EVT", &evt_handle)))
+ break;
+
dev_err(dev, "cannot locate _EVT method\n");
return AE_ERROR;
}
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index e387517d3354..43411a7457cd 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -202,7 +202,6 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
#ifdef CONFIG_PM_SLEEP
void acpi_ec_flush_work(void);
-bool acpi_ec_other_gpes_active(void);
bool acpi_ec_dispatch_gpe(void);
#endif
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c
index 00a6da2121be..606da5d77ad3 100644
--- a/drivers/acpi/pci_link.c
+++ b/drivers/acpi/pci_link.c
@@ -31,8 +31,6 @@
ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_CLASS "pci_irq_routing"
#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
-#define ACPI_PCI_LINK_FILE_INFO "info"
-#define ACPI_PCI_LINK_FILE_STATUS "state"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
static int acpi_pci_link_add(struct acpi_device *device,
@@ -322,10 +320,10 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
resource->res.data.extended_irq.polarity =
link->irq.polarity;
if (link->irq.triggering == ACPI_EDGE_SENSITIVE)
- resource->res.data.irq.shareable =
+ resource->res.data.extended_irq.shareable =
ACPI_EXCLUSIVE;
else
- resource->res.data.irq.shareable = ACPI_SHARED;
+ resource->res.data.extended_irq.shareable = ACPI_SHARED;
resource->res.data.extended_irq.interrupt_count = 1;
resource->res.data.extended_irq.interrupts[0] = irq;
/* ignore resource_source, it's optional */
diff --git a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
index 7ccd7d9660bc..a5101b07611a 100644
--- a/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
+++ b/drivers/acpi/pmic/intel_pmic_chtdc_ti.c
@@ -102,6 +102,7 @@ static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = {
.power_table_count = ARRAY_SIZE(chtdc_ti_power_table),
.thermal_table = chtdc_ti_thermal_table,
.thermal_table_count = ARRAY_SIZE(chtdc_ti_thermal_table),
+ .pmic_i2c_address = 0x5e,
};
static int chtdc_ti_pmic_opregion_probe(struct platform_device *pdev)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index fe1e7bc91a5e..837b875d075e 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -36,8 +36,6 @@
ACPI_MODULE_NAME("power");
#define ACPI_POWER_CLASS "power_resource"
#define ACPI_POWER_DEVICE_NAME "Power Resource"
-#define ACPI_POWER_FILE_INFO "info"
-#define ACPI_POWER_FILE_STATUS "state"
#define ACPI_POWER_RESOURCE_STATE_OFF 0x00
#define ACPI_POWER_RESOURCE_STATE_ON 0x01
#define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index dcc289e30166..75534c5b5433 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -308,11 +308,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
if (ret)
return ret;
- /*
- * It is expected that there will be at least 2 states, C1 and
- * something else (C2 or C3), so fail if that is not the case.
- */
- if (pr->power.count < 2)
+ if (!pr->power.count)
return -EFAULT;
pr->flags.has_cst = 1;
@@ -468,8 +464,7 @@ static int acpi_processor_get_cstate_info(struct acpi_processor *pr)
for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
if (pr->power.states[i].valid) {
pr->power.count = i;
- if (pr->power.states[i].type >= ACPI_STATE_C2)
- pr->flags.power = 1;
+ pr->flags.power = 1;
}
}
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 6e88224f60f0..f158b8c30113 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -28,9 +28,6 @@
#define ACPI_SBS_CLASS "sbs"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_SBS_DEVICE_NAME "Smart Battery System"
-#define ACPI_SBS_FILE_INFO "info"
-#define ACPI_SBS_FILE_STATE "state"
-#define ACPI_SBS_FILE_ALARM "alarm"
#define ACPI_BATTERY_DIR_NAME "BAT%i"
#define ACPI_AC_DIR_NAME "AC0"
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 6d3448895382..5287ab98b8c1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -2157,10 +2157,13 @@ static void __init acpi_get_spcr_uart_addr(void)
status = acpi_get_table(ACPI_SIG_SPCR, 0,
(struct acpi_table_header **)&spcr_ptr);
- if (ACPI_SUCCESS(status))
- spcr_uart_addr = spcr_ptr->serial_port.address;
- else
- printk(KERN_WARNING PREFIX "STAO table present, but SPCR is missing\n");
+ if (ACPI_FAILURE(status)) {
+ pr_warn(PREFIX "STAO table present, but SPCR is missing\n");
+ return;
+ }
+
+ spcr_uart_addr = spcr_ptr->serial_port.address;
+ acpi_put_table((struct acpi_table_header *)spcr_ptr);
}
static bool acpi_scan_initialized;
@@ -2196,10 +2199,12 @@ int __init acpi_scan_init(void)
(struct acpi_table_header **)&stao_ptr);
if (ACPI_SUCCESS(status)) {
if (stao_ptr->header.length > sizeof(struct acpi_table_stao))
- printk(KERN_INFO PREFIX "STAO Name List not yet supported.");
+ pr_info(PREFIX "STAO Name List not yet supported.\n");
if (stao_ptr->ignore_uart)
acpi_get_spcr_uart_addr();
+
+ acpi_put_table((struct acpi_table_header *)stao_ptr);
}
acpi_gpe_apply_masked_gpes();
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4edc8a3ce40f..aff13bf4d947 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -980,13 +980,6 @@ static int acpi_s2idle_prepare_late(void)
return 0;
}
-static void acpi_s2idle_sync(void)
-{
- /* The EC driver uses special workqueues that need to be flushed. */
- acpi_ec_flush_work();
- acpi_os_wait_events_complete(); /* synchronize Notify handling */
-}
-
static bool acpi_s2idle_wake(void)
{
if (!acpi_sci_irq_valid())
@@ -999,36 +992,34 @@ static bool acpi_s2idle_wake(void)
* wakeup is pending anyway and the SCI is not the source of
* it).
*/
- if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq)))
+ if (irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq))) {
+ pm_pr_dbg("Wakeup unrelated to ACPI SCI\n");
return true;
+ }
/*
* If the status bit of any enabled fixed event is set, the
* wakeup is regarded as valid.
*/
- if (acpi_any_fixed_event_status_set())
+ if (acpi_any_fixed_event_status_set()) {
+ pm_pr_dbg("ACPI fixed event wakeup\n");
return true;
+ }
/* Check wakeups from drivers sharing the SCI. */
- if (acpi_check_wakeup_handlers())
+ if (acpi_check_wakeup_handlers()) {
+ pm_pr_dbg("ACPI custom handler wakeup\n");
return true;
+ }
- /*
- * If the status bit is set for any enabled GPE other than the
- * EC one, the wakeup is regarded as a genuine one.
- */
- if (acpi_ec_other_gpes_active())
+ /* Check non-EC GPE wakeups and dispatch the EC GPE. */
+ if (acpi_ec_dispatch_gpe()) {
+ pm_pr_dbg("ACPI non-EC GPE wakeup\n");
return true;
+ }
/*
- * If the EC GPE status bit has not been set, the wakeup is
- * regarded as a spurious one.
- */
- if (!acpi_ec_dispatch_gpe())
- return false;
-
- /*
- * Cancel the wakeup and process all pending events in case
+ * Cancel the SCI wakeup and process all pending events in case
* there are any wakeup ones in there.
*
* Note that if any non-EC GPEs are active at this point, the
@@ -1036,8 +1027,7 @@ static bool acpi_s2idle_wake(void)
* should be missed by canceling the wakeup here.
*/
pm_system_cancel_wakeup();
-
- acpi_s2idle_sync();
+ acpi_os_wait_events_complete();
/*
* The SCI is in the "suspended" state now and it cannot produce
@@ -1045,8 +1035,10 @@ static bool acpi_s2idle_wake(void)
* are pending here, they must be resulting from the processing
* of EC events above or coming from somewhere else.
*/
- if (pm_wakeup_pending())
+ if (pm_wakeup_pending()) {
+ pm_pr_dbg("Wakeup after ACPI Notify sync\n");
return true;
+ }
rearm_wake_irq(acpi_sci_irq);
}
@@ -1070,7 +1062,8 @@ static void acpi_s2idle_restore(void)
* of GPEs.
*/
acpi_os_wait_events_complete(); /* synchronize GPE processing */
- acpi_s2idle_sync();
+ acpi_ec_flush_work(); /* flush the EC driver's workqueues */
+ acpi_os_wait_events_complete(); /* synchronize Notify handling */
s2idle_wakeup = false;
@@ -1297,8 +1290,10 @@ static void acpi_sleep_hibernate_setup(void)
return;
acpi_get_table(ACPI_SIG_FACS, 1, (struct acpi_table_header **)&facs);
- if (facs)
+ if (facs) {
s4_hardware_signature = facs->hardware_signature;
+ acpi_put_table((struct acpi_table_header *)facs);
+ }
}
#else /* !CONFIG_HIBERNATION */
static inline void acpi_sleep_hibernate_setup(void) {}
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index c60d2c6d31d6..3a89909b50a6 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -993,8 +993,10 @@ void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
error = kobject_init_and_add(&hotplug->kobj,
&acpi_hotplug_profile_ktype, hotplug_kobj, "%s", name);
- if (error)
+ if (error) {
+ kobject_put(&hotplug->kobj);
goto err_out;
+ }
kobject_uevent(&hotplug->kobj, KOBJ_ADD);
return;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 804ac0df58ec..838b719ec7ce 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -606,6 +606,31 @@ acpi_status acpi_evaluate_lck(acpi_handle handle, int lock)
}
/**
+ * acpi_evaluate_reg: Evaluate _REG method to register OpRegion presence
+ * @handle: ACPI device handle
+ * @space_id: ACPI address space id to register OpRegion presence for
+ * @function: Parameter to pass to _REG one of ACPI_REG_CONNECT or
+ * ACPI_REG_DISCONNECT
+ *
+ * Evaluate device's _REG method to register OpRegion presence.
+ */
+acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function)
+{
+ struct acpi_object_list arg_list;
+ union acpi_object params[2];
+
+ params[0].type = ACPI_TYPE_INTEGER;
+ params[0].integer.value = space_id;
+ params[1].type = ACPI_TYPE_INTEGER;
+ params[1].integer.value = function;
+ arg_list.count = 2;
+ arg_list.pointer = params;
+
+ return acpi_evaluate_object(handle, "_REG", &arg_list, NULL);
+}
+EXPORT_SYMBOL(acpi_evaluate_reg);
+
+/**
* acpi_evaluate_dsm - evaluate device's _DSM method
* @handle: ACPI device handle
* @guid: GUID of requested functions, should be 16 bytes
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index b4994e50608d..2499d7e3c710 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -361,6 +361,16 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_BOARD_NAME, "JV50"),
},
},
+ {
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=207835 */
+ .callback = video_detect_force_native,
+ .ident = "Acer TravelMate 5735Z",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5735Z"),
+ DMI_MATCH(DMI_BOARD_NAME, "BA51_MV"),
+ },
+ },
/*
* Desktops which falsely report a backlight and which our heuristics
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index fe1523664816..8558b629880b 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -645,6 +645,7 @@ static void amba_device_initialize(struct amba_device *dev, const char *name)
dev->dev.release = amba_device_release;
dev->dev.bus = &amba_bustype;
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
+ dev->dev.dma_parms = &dev->dma_parms;
dev->res.name = dev_name(&dev->dev);
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index beca5f91bb4c..69361ec43db5 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5209,7 +5209,7 @@ void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)
* sata_link_init_spd - Initialize link->sata_spd_limit
* @link: Link to configure sata_spd_limit for
*
- * Initialize @link->[hw_]sata_spd_limit to the currently
+ * Initialize ``link->[hw_]sata_spd_limit`` to the currently
* configured value.
*
* LOCKING:
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 36e588d88b95..435781a16875 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -649,7 +649,7 @@ static void ata_qc_set_pc_nbytes(struct ata_queued_cmd *qc)
{
struct scsi_cmnd *scmd = qc->scsicmd;
- qc->extrabytes = scmd->request->extra_len;
+ qc->extrabytes = scmd->extra_len;
qc->nbytes = scsi_bufflen(scmd) + qc->extrabytes;
}
@@ -1017,16 +1017,11 @@ void ata_scsi_sdev_config(struct scsi_device *sdev)
* RETURNS:
* 1 if ; otherwise, 0.
*/
-static int atapi_drain_needed(struct request *rq)
+bool ata_scsi_dma_need_drain(struct request *rq)
{
- if (likely(!blk_rq_is_passthrough(rq)))
- return 0;
-
- if (!blk_rq_bytes(rq) || op_is_write(req_op(rq)))
- return 0;
-
return atapi_cmd_type(scsi_req(rq)->cmd[0]) == ATAPI_MISC;
}
+EXPORT_SYMBOL_GPL(ata_scsi_dma_need_drain);
int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
{
@@ -1039,21 +1034,21 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev)
blk_queue_max_hw_sectors(q, dev->max_sectors);
if (dev->class == ATA_DEV_ATAPI) {
- void *buf;
-
sdev->sector_size = ATA_SECT_SIZE;
/* set DMA padding */
blk_queue_update_dma_pad(q, ATA_DMA_PAD_SZ - 1);
- /* configure draining */
- buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);
- if (!buf) {
+ /* make room for appending the drain */
+ blk_queue_max_segments(q, queue_max_segments(q) - 1);
+
+ sdev->dma_drain_len = ATAPI_MAX_DRAIN;
+ sdev->dma_drain_buf = kmalloc(sdev->dma_drain_len,
+ q->bounce_gfp | GFP_KERNEL);
+ if (!sdev->dma_drain_buf) {
ata_dev_err(dev, "drain buffer allocation failed\n");
return -ENOMEM;
}
-
- blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN);
} else {
sdev->sector_size = ata_id_logical_sector_size(dev->id);
sdev->manage_start_stop = 1;
@@ -1135,7 +1130,6 @@ EXPORT_SYMBOL_GPL(ata_scsi_slave_config);
void ata_scsi_slave_destroy(struct scsi_device *sdev)
{
struct ata_port *ap = ata_shost_to_port(sdev->host);
- struct request_queue *q = sdev->request_queue;
unsigned long flags;
struct ata_device *dev;
@@ -1152,9 +1146,7 @@ void ata_scsi_slave_destroy(struct scsi_device *sdev)
}
spin_unlock_irqrestore(ap->lock, flags);
- kfree(q->dma_drain_buffer);
- q->dma_drain_buffer = NULL;
- q->dma_drain_size = 0;
+ kfree(sdev->dma_drain_buf);
}
EXPORT_SYMBOL_GPL(ata_scsi_slave_destroy);
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index a6b76cc12a66..e517bd8822a5 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -145,7 +145,7 @@ enum {
/* PORT_IDMA_CTL bits */
IDMA_CTL_RST_ATA = (1 << 2), /* hardreset ATA bus */
- IDMA_CTL_RST_IDMA = (1 << 5), /* reset IDMA machinary */
+ IDMA_CTL_RST_IDMA = (1 << 5), /* reset IDMA machinery */
IDMA_CTL_GO = (1 << 7), /* IDMA mode go */
IDMA_CTL_ATA_NIEN = (1 << 8), /* ATA IRQ disable */
diff --git a/drivers/atm/Kconfig b/drivers/atm/Kconfig
index 8c37294f1d1e..cfb0d16b60ad 100644
--- a/drivers/atm/Kconfig
+++ b/drivers/atm/Kconfig
@@ -306,7 +306,7 @@ config ATM_IA
for more info about the cards. Say Y (or M to compile as a module
named iphase) here if you have one of these cards.
- See the file <file:Documentation/networking/iphase.txt> for further
+ See the file <file:Documentation/networking/iphase.rst> for further
details.
config ATM_IA_DEBUG
@@ -336,7 +336,7 @@ config ATM_FORE200E
on PCI and SBUS hosts. Say Y (or M to compile as a module
named fore_200e) here if you have one of these ATM adapters.
- See the file <file:Documentation/networking/fore200e.txt> for
+ See the file <file:Documentation/networking/fore200e.rst> for
further details.
config ATM_FORE200E_USE_TASKLET
diff --git a/drivers/base/component.c b/drivers/base/component.c
index e97704104784..dcfbe7251dc4 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -256,7 +256,8 @@ static int try_to_bring_up_master(struct master *master,
ret = master->ops->bind(master->dev);
if (ret < 0) {
devres_release_group(master->dev, NULL);
- dev_info(master->dev, "master bind failed: %d\n", ret);
+ if (ret != -EPROBE_DEFER)
+ dev_info(master->dev, "master bind failed: %d\n", ret);
return ret;
}
@@ -611,8 +612,9 @@ static int component_bind(struct component *component, struct master *master,
devres_release_group(component->dev, NULL);
devres_release_group(master->dev, NULL);
- dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
- dev_name(component->dev), component->ops, ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
+ dev_name(component->dev), component->ops, ret);
}
return ret;
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 139cdf7e7327..de808c5a187b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -365,6 +365,7 @@ struct device_link *device_link_add(struct device *consumer,
link->flags |= DL_FLAG_STATELESS;
goto reorder;
} else {
+ link->flags |= DL_FLAG_STATELESS;
goto out;
}
}
@@ -433,12 +434,16 @@ struct device_link *device_link_add(struct device *consumer,
flags & DL_FLAG_PM_RUNTIME)
pm_runtime_resume(supplier);
+ list_add_tail_rcu(&link->s_node, &supplier->links.consumers);
+ list_add_tail_rcu(&link->c_node, &consumer->links.suppliers);
+
if (flags & DL_FLAG_SYNC_STATE_ONLY) {
dev_dbg(consumer,
"Linked as a sync state only consumer to %s\n",
dev_name(supplier));
goto out;
}
+
reorder:
/*
* Move the consumer and all of the devices depending on it to the end
@@ -449,12 +454,9 @@ reorder:
*/
device_reorder_to_tail(consumer, NULL);
- list_add_tail_rcu(&link->s_node, &supplier->links.consumers);
- list_add_tail_rcu(&link->c_node, &consumer->links.suppliers);
-
dev_dbg(consumer, "Linked as a consumer to %s\n", dev_name(supplier));
- out:
+out:
device_pm_unlock();
device_links_write_unlock();
@@ -829,6 +831,13 @@ static void __device_links_supplier_defer_sync(struct device *sup)
list_add_tail(&sup->links.defer_sync, &deferred_sync);
}
+static void device_link_drop_managed(struct device_link *link)
+{
+ link->flags &= ~DL_FLAG_MANAGED;
+ WRITE_ONCE(link->status, DL_STATE_NONE);
+ kref_put(&link->kref, __device_link_del);
+}
+
/**
* device_links_driver_bound - Update device links after probing its driver.
* @dev: Device to update the links for.
@@ -842,7 +851,7 @@ static void __device_links_supplier_defer_sync(struct device *sup)
*/
void device_links_driver_bound(struct device *dev)
{
- struct device_link *link;
+ struct device_link *link, *ln;
LIST_HEAD(sync_list);
/*
@@ -882,18 +891,35 @@ void device_links_driver_bound(struct device *dev)
else
__device_links_queue_sync_state(dev, &sync_list);
- list_for_each_entry(link, &dev->links.suppliers, c_node) {
+ list_for_each_entry_safe(link, ln, &dev->links.suppliers, c_node) {
+ struct device *supplier;
+
if (!(link->flags & DL_FLAG_MANAGED))
continue;
- WARN_ON(link->status != DL_STATE_CONSUMER_PROBE);
- WRITE_ONCE(link->status, DL_STATE_ACTIVE);
+ supplier = link->supplier;
+ if (link->flags & DL_FLAG_SYNC_STATE_ONLY) {
+ /*
+ * When DL_FLAG_SYNC_STATE_ONLY is set, it means no
+ * other DL_MANAGED_LINK_FLAGS have been set. So, it's
+ * save to drop the managed link completely.
+ */
+ device_link_drop_managed(link);
+ } else {
+ WARN_ON(link->status != DL_STATE_CONSUMER_PROBE);
+ WRITE_ONCE(link->status, DL_STATE_ACTIVE);
+ }
+ /*
+ * This needs to be done even for the deleted
+ * DL_FLAG_SYNC_STATE_ONLY device link in case it was the last
+ * device link that was preventing the supplier from getting a
+ * sync_state() call.
+ */
if (defer_sync_state_count)
- __device_links_supplier_defer_sync(link->supplier);
+ __device_links_supplier_defer_sync(supplier);
else
- __device_links_queue_sync_state(link->supplier,
- &sync_list);
+ __device_links_queue_sync_state(supplier, &sync_list);
}
dev->links.status = DL_DEV_DRIVER_BOUND;
@@ -903,13 +929,6 @@ void device_links_driver_bound(struct device *dev)
device_links_flush_sync_list(&sync_list, dev);
}
-static void device_link_drop_managed(struct device_link *link)
-{
- link->flags &= ~DL_FLAG_MANAGED;
- WRITE_ONCE(link->status, DL_STATE_NONE);
- kref_put(&link->kref, __device_link_del);
-}
-
/**
* __device_links_no_driver - Update links of a device without a driver.
* @dev: Device without a drvier.
@@ -1374,7 +1393,7 @@ static void device_release(struct kobject *kobj)
else if (dev->class && dev->class->dev_release)
dev->class->dev_release(dev);
else
- WARN(1, KERN_ERR "Device '%s' does not have a release() function, it is broken and must be fixed. See Documentation/kobject.txt.\n",
+ WARN(1, KERN_ERR "Device '%s' does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst.\n",
dev_name(dev));
kfree(p);
}
@@ -2370,6 +2389,11 @@ u32 fw_devlink_get_flags(void)
return fw_devlink_flags;
}
+static bool fw_devlink_is_permissive(void)
+{
+ return fw_devlink_flags == DL_FLAG_SYNC_STATE_ONLY;
+}
+
/**
* device_add - add device to device hierarchy.
* @dev: device.
@@ -2524,7 +2548,7 @@ int device_add(struct device *dev)
if (fw_devlink_flags && is_fwnode_dev &&
fwnode_has_op(dev->fwnode, add_links)) {
fw_ret = fwnode_call_int_op(dev->fwnode, add_links, dev);
- if (fw_ret == -ENODEV)
+ if (fw_ret == -ENODEV && !fw_devlink_is_permissive())
device_link_wait_for_mandatory_supplier(dev);
else if (fw_ret)
device_link_wait_for_optional_supplier(dev);
@@ -3189,40 +3213,6 @@ error:
}
/**
- * device_create_vargs - creates a device and registers it with sysfs
- * @class: pointer to the struct class that this device should be registered to
- * @parent: pointer to the parent struct device of this new device, if any
- * @devt: the dev_t for the char device to be added
- * @drvdata: the data to be added to the device for callbacks
- * @fmt: string for the device's name
- * @args: va_list for the device's name
- *
- * This function can be used by char device classes. A struct device
- * will be created in sysfs, registered to the specified class.
- *
- * A "dev" file will be created, showing the dev_t for the device, if
- * the dev_t is not 0,0.
- * If a pointer to a parent struct device is passed in, the newly created
- * struct device will be a child of that device in sysfs.
- * The pointer to the struct device will be returned from the call.
- * Any further sysfs files that might be required can be created using this
- * pointer.
- *
- * Returns &struct device pointer on success, or ERR_PTR() on error.
- *
- * Note: the struct class passed to this function must have previously
- * been created with a call to class_create().
- */
-struct device *device_create_vargs(struct class *class, struct device *parent,
- dev_t devt, void *drvdata, const char *fmt,
- va_list args)
-{
- return device_create_groups_vargs(class, parent, devt, drvdata, NULL,
- fmt, args);
-}
-EXPORT_SYMBOL_GPL(device_create_vargs);
-
-/**
* device_create - creates a device and registers it with sysfs
* @class: pointer to the struct class that this device should be registered to
* @parent: pointer to the parent struct device of this new device, if any
@@ -3253,7 +3243,8 @@ struct device *device_create(struct class *class, struct device *parent,
struct device *dev;
va_start(vargs, fmt);
- dev = device_create_vargs(class, parent, devt, drvdata, fmt, vargs);
+ dev = device_create_groups_vargs(class, parent, devt, drvdata, NULL,
+ fmt, vargs);
va_end(vargs);
return dev;
}
@@ -3891,6 +3882,7 @@ void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
else
dev->fwnode = fwnode;
}
+EXPORT_SYMBOL_GPL(set_secondary_fwnode);
/**
* device_set_of_node_from_dev - reuse device-tree node of another device
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 06ec0e851fa1..94037be7f5d7 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -224,17 +224,9 @@ static int deferred_devs_show(struct seq_file *s, void *data)
}
DEFINE_SHOW_ATTRIBUTE(deferred_devs);
-#ifdef CONFIG_MODULES
-/*
- * In the case of modules, set the default probe timeout to
- * 30 seconds to give userland some time to load needed modules
- */
-int driver_deferred_probe_timeout = 30;
-#else
-/* In the case of !modules, no probe timeout needed */
-int driver_deferred_probe_timeout = -1;
-#endif
+int driver_deferred_probe_timeout;
EXPORT_SYMBOL_GPL(driver_deferred_probe_timeout);
+static DECLARE_WAIT_QUEUE_HEAD(probe_timeout_waitqueue);
static int __init deferred_probe_timeout_setup(char *str)
{
@@ -266,8 +258,8 @@ int driver_deferred_probe_check_state(struct device *dev)
return -ENODEV;
}
- if (!driver_deferred_probe_timeout) {
- dev_WARN(dev, "deferred probe timeout, ignoring dependency");
+ if (!driver_deferred_probe_timeout && initcalls_done) {
+ dev_warn(dev, "deferred probe timeout, ignoring dependency");
return -ETIMEDOUT;
}
@@ -284,6 +276,7 @@ static void deferred_probe_timeout_work_func(struct work_struct *work)
list_for_each_entry_safe(private, p, &deferred_probe_pending_list, deferred_probe)
dev_info(private->device, "deferred probe pending");
+ wake_up(&probe_timeout_waitqueue);
}
static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func);
@@ -658,6 +651,9 @@ int driver_probe_done(void)
*/
void wait_for_device_probe(void)
{
+ /* wait for probe timeout */
+ wait_event(probe_timeout_waitqueue, !driver_deferred_probe_timeout);
+
/* wait for the deferred probe workqueue to finish */
flush_work(&deferred_probe_work);
diff --git a/drivers/base/firmware_loader/fallback_table.c b/drivers/base/firmware_loader/fallback_table.c
index ba9d30b28edc..a182e318bd09 100644
--- a/drivers/base/firmware_loader/fallback_table.c
+++ b/drivers/base/firmware_loader/fallback_table.c
@@ -45,5 +45,4 @@ struct ctl_table firmware_config_table[] = {
},
{ }
};
-EXPORT_SYMBOL_GPL(firmware_config_table);
#endif
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index dbec3a05590a..2b09b68b9f78 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -21,6 +21,7 @@
#include <linux/mm.h>
#include <linux/stat.h>
#include <linux/slab.h>
+#include <linux/xarray.h>
#include <linux/atomic.h>
#include <linux/uaccess.h>
@@ -74,6 +75,13 @@ static struct bus_type memory_subsys = {
.offline = memory_subsys_offline,
};
+/*
+ * Memory blocks are cached in a local radix tree to avoid
+ * a costly linear search for the corresponding device on
+ * the subsystem bus.
+ */
+static DEFINE_XARRAY(memory_blocks);
+
static BLOCKING_NOTIFIER_HEAD(memory_chain);
int register_memory_notifier(struct notifier_block *nb)
@@ -489,22 +497,23 @@ int __weak arch_get_memory_phys_device(unsigned long start_pfn)
return 0;
}
-/* A reference for the returned memory block device is acquired. */
+/*
+ * A reference for the returned memory block device is acquired.
+ *
+ * Called under device_hotplug_lock.
+ */
static struct memory_block *find_memory_block_by_id(unsigned long block_id)
{
- struct device *dev;
+ struct memory_block *mem;
- dev = subsys_find_device_by_id(&memory_subsys, block_id, NULL);
- return dev ? to_memory_block(dev) : NULL;
+ mem = xa_load(&memory_blocks, block_id);
+ if (mem)
+ get_device(&mem->dev);
+ return mem;
}
/*
- * For now, we have a linear search to go find the appropriate
- * memory_block corresponding to a particular phys_index. If
- * this gets to be a real problem, we can always use a radix
- * tree or something here.
- *
- * This could be made generic for all device subsystems.
+ * Called under device_hotplug_lock.
*/
struct memory_block *find_memory_block(struct mem_section *section)
{
@@ -548,9 +557,16 @@ int register_memory(struct memory_block *memory)
memory->dev.offline = memory->state == MEM_OFFLINE;
ret = device_register(&memory->dev);
- if (ret)
+ if (ret) {
put_device(&memory->dev);
-
+ return ret;
+ }
+ ret = xa_err(xa_store(&memory_blocks, memory->dev.id, memory,
+ GFP_KERNEL));
+ if (ret) {
+ put_device(&memory->dev);
+ device_unregister(&memory->dev);
+ }
return ret;
}
@@ -604,6 +620,8 @@ static void unregister_memory(struct memory_block *memory)
if (WARN_ON_ONCE(memory->dev.bus != &memory_subsys))
return;
+ WARN_ON(xa_erase(&memory_blocks, memory->dev.id) == NULL);
+
/* drop the ref. we got via find_memory_block() */
put_device(&memory->dev);
device_unregister(&memory->dev);
@@ -750,6 +768,8 @@ void __init memory_dev_init(void)
*
* In case func() returns an error, walking is aborted and the error is
* returned.
+ *
+ * Called under device_hotplug_lock.
*/
int walk_memory_blocks(unsigned long start, unsigned long size,
void *arg, walk_memory_blocks_func_t func)
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 10d7e818e118..5b02f69769e8 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -415,6 +415,9 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d AnonPages: %8lu kB\n"
"Node %d Shmem: %8lu kB\n"
"Node %d KernelStack: %8lu kB\n"
+#ifdef CONFIG_SHADOW_CALL_STACK
+ "Node %d ShadowCallStack:%8lu kB\n"
+#endif
"Node %d PageTables: %8lu kB\n"
"Node %d NFS_Unstable: %8lu kB\n"
"Node %d Bounce: %8lu kB\n"
@@ -438,8 +441,11 @@ static ssize_t node_read_meminfo(struct device *dev,
nid, K(node_page_state(pgdat, NR_ANON_MAPPED)),
nid, K(i.sharedram),
nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK_KB),
+#ifdef CONFIG_SHADOW_CALL_STACK
+ nid, sum_zone_node_page_state(nid, NR_KERNEL_SCS_KB),
+#endif
nid, K(sum_zone_node_page_state(nid, NR_PAGETABLE)),
- nid, K(node_page_state(pgdat, NR_UNSTABLE_NFS)),
+ nid, 0UL,
nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)),
nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
nid, K(sreclaimable +
diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 8da314b81eab..c4a17e5edf8b 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -387,7 +387,7 @@ void platform_msi_domain_free(struct irq_domain *domain, unsigned int virq,
*
* @domain: The platform-msi domain
* @virq: The base irq from which to perform the allocate operation
- * @nvec: How many interrupts to free from @virq
+ * @nr_irqs: How many interrupts to free from @virq
*
* Return 0 on success, or an error code on failure. Must be called
* with irq_domain_mutex held (which can only be done as part of a
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 5255550b7c34..615c6b06b427 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -147,7 +147,8 @@ EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource_byname);
* request_irq() APIs. This is the same as platform_get_irq(), except that it
* does not print an error message if an IRQ can not be obtained.
*
- * Example:
+ * For example::
+ *
* int irq = platform_get_irq_optional(pdev, 0);
* if (irq < 0)
* return irq;
@@ -226,7 +227,8 @@ EXPORT_SYMBOL_GPL(platform_get_irq_optional);
* IRQ fails. Device drivers should check the return value for errors so as to
* not pass a negative integer value to the request_irq() APIs.
*
- * Example:
+ * For example::
+ *
* int irq = platform_get_irq(pdev, 0);
* if (irq < 0)
* return irq;
@@ -380,6 +382,8 @@ struct platform_object {
*/
static void setup_pdev_dma_masks(struct platform_device *pdev)
{
+ pdev->dev.dma_parms = &pdev->dma_parms;
+
if (!pdev->dev.coherent_dma_mask)
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
if (!pdev->dev.dma_mask) {
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index fdd508a78ffd..bb98b813554f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -562,72 +562,26 @@ static void dpm_watchdog_clear(struct dpm_watchdog *wd)
/*------------------------- Resume routines -------------------------*/
/**
- * suspend_event - Return a "suspend" message for given "resume" one.
- * @resume_msg: PM message representing a system-wide resume transition.
- */
-static pm_message_t suspend_event(pm_message_t resume_msg)
-{
- switch (resume_msg.event) {
- case PM_EVENT_RESUME:
- return PMSG_SUSPEND;
- case PM_EVENT_THAW:
- case PM_EVENT_RESTORE:
- return PMSG_FREEZE;
- case PM_EVENT_RECOVER:
- return PMSG_HIBERNATE;
- }
- return PMSG_ON;
-}
-
-/**
- * dev_pm_may_skip_resume - System-wide device resume optimization check.
+ * dev_pm_skip_resume - System-wide device resume optimization check.
* @dev: Target device.
*
- * Checks whether or not the device may be left in suspend after a system-wide
- * transition to the working state.
+ * Return:
+ * - %false if the transition under way is RESTORE.
+ * - Return value of dev_pm_skip_suspend() if the transition under way is THAW.
+ * - The logical negation of %power.must_resume otherwise (that is, when the
+ * transition under way is RESUME).
*/
-bool dev_pm_may_skip_resume(struct device *dev)
+bool dev_pm_skip_resume(struct device *dev)
{
- return !dev->power.must_resume && pm_transition.event != PM_EVENT_RESTORE;
-}
-
-static pm_callback_t dpm_subsys_resume_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "noirq power domain ";
- callback = pm_noirq_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "noirq type ";
- callback = pm_noirq_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "noirq class ";
- callback = pm_noirq_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "noirq bus ";
- callback = pm_noirq_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
+ if (pm_transition.event == PM_EVENT_RESTORE)
+ return false;
- if (info_p)
- *info_p = info;
+ if (pm_transition.event == PM_EVENT_THAW)
+ return dev_pm_skip_suspend(dev);
- return callback;
+ return !dev->power.must_resume;
}
-static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p);
-
-static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
- pm_message_t state,
- const char **info_p);
-
/**
* device_resume_noirq - Execute a "noirq resume" callback for given device.
* @dev: Device to handle.
@@ -639,8 +593,8 @@ static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
*/
static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
bool skip_resume;
int error = 0;
@@ -656,37 +610,41 @@ static int device_resume_noirq(struct device *dev, pm_message_t state, bool asyn
if (!dpm_wait_for_superior(dev, async))
goto Out;
- skip_resume = dev_pm_may_skip_resume(dev);
+ skip_resume = dev_pm_skip_resume(dev);
+ /*
+ * If the driver callback is skipped below or by the middle layer
+ * callback and device_resume_early() also skips the driver callback for
+ * this device later, it needs to appear as "suspended" to PM-runtime,
+ * so change its status accordingly.
+ *
+ * Otherwise, the device is going to be resumed, so set its PM-runtime
+ * status to "active", but do that only if DPM_FLAG_SMART_SUSPEND is set
+ * to avoid confusing drivers that don't use it.
+ */
+ if (skip_resume)
+ pm_runtime_set_suspended(dev);
+ else if (dev_pm_skip_suspend(dev))
+ pm_runtime_set_active(dev);
- callback = dpm_subsys_resume_noirq_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "noirq power domain ";
+ callback = pm_noirq_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "noirq type ";
+ callback = pm_noirq_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "noirq class ";
+ callback = pm_noirq_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "noirq bus ";
+ callback = pm_noirq_op(dev->bus->pm, state);
+ }
if (callback)
goto Run;
if (skip_resume)
goto Skip;
- if (dev_pm_smart_suspend_and_suspended(dev)) {
- pm_message_t suspend_msg = suspend_event(state);
-
- /*
- * If "freeze" callbacks have been skipped during a transition
- * related to hibernation, the subsequent "thaw" callbacks must
- * be skipped too or bad things may happen. Otherwise, resume
- * callbacks are going to be run for the device, so its runtime
- * PM status must be changed to reflect the new state after the
- * transition under way.
- */
- if (!dpm_subsys_suspend_late_cb(dev, suspend_msg, NULL) &&
- !dpm_subsys_suspend_noirq_cb(dev, suspend_msg, NULL)) {
- if (state.event == PM_EVENT_THAW) {
- skip_resume = true;
- goto Skip;
- } else {
- pm_runtime_set_active(dev);
- }
- }
- }
-
if (dev->driver && dev->driver->pm) {
info = "noirq driver ";
callback = pm_noirq_op(dev->driver->pm, state);
@@ -698,20 +656,6 @@ Run:
Skip:
dev->power.is_noirq_suspended = false;
- if (skip_resume) {
- /* Make the next phases of resume skip the device. */
- dev->power.is_late_suspended = false;
- dev->power.is_suspended = false;
- /*
- * The device is going to be left in suspend, but it might not
- * have been in runtime suspend before the system suspended, so
- * its runtime PM status needs to be updated to avoid confusing
- * the runtime PM framework when runtime PM is enabled for the
- * device again.
- */
- pm_runtime_set_suspended(dev);
- }
-
Out:
complete_all(&dev->power.completion);
TRACE_RESUME(error);
@@ -730,7 +674,7 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
if (is_async(dev)) {
get_device(dev);
- async_schedule(func, dev);
+ async_schedule_dev(func, dev);
return true;
}
@@ -810,35 +754,6 @@ void dpm_resume_noirq(pm_message_t state)
cpuidle_resume();
}
-static pm_callback_t dpm_subsys_resume_early_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "early power domain ";
- callback = pm_late_early_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "early type ";
- callback = pm_late_early_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "early class ";
- callback = pm_late_early_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "early bus ";
- callback = pm_late_early_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
/**
* device_resume_early - Execute an "early resume" callback for given device.
* @dev: Device to handle.
@@ -849,8 +764,8 @@ static pm_callback_t dpm_subsys_resume_early_cb(struct device *dev,
*/
static int device_resume_early(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -865,17 +780,37 @@ static int device_resume_early(struct device *dev, pm_message_t state, bool asyn
if (!dpm_wait_for_superior(dev, async))
goto Out;
- callback = dpm_subsys_resume_early_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "early power domain ";
+ callback = pm_late_early_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "early type ";
+ callback = pm_late_early_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "early class ";
+ callback = pm_late_early_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "early bus ";
+ callback = pm_late_early_op(dev->bus->pm, state);
+ }
+ if (callback)
+ goto Run;
+
+ if (dev_pm_skip_resume(dev))
+ goto Skip;
- if (!callback && dev->driver && dev->driver->pm) {
+ if (dev->driver && dev->driver->pm) {
info = "early driver ";
callback = pm_late_early_op(dev->driver->pm, state);
}
+Run:
error = dpm_run_callback(callback, dev, state, info);
+
+Skip:
dev->power.is_late_suspended = false;
- Out:
+Out:
TRACE_RESUME(error);
pm_runtime_enable(dev);
@@ -1245,61 +1180,6 @@ static void dpm_superior_set_must_resume(struct device *dev)
device_links_read_unlock(idx);
}
-static pm_callback_t dpm_subsys_suspend_noirq_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "noirq power domain ";
- callback = pm_noirq_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "noirq type ";
- callback = pm_noirq_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "noirq class ";
- callback = pm_noirq_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "noirq bus ";
- callback = pm_noirq_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
-static bool device_must_resume(struct device *dev, pm_message_t state,
- bool no_subsys_suspend_noirq)
-{
- pm_message_t resume_msg = resume_event(state);
-
- /*
- * If all of the device driver's "noirq", "late" and "early" callbacks
- * are invoked directly by the core, the decision to allow the device to
- * stay in suspend can be based on its current runtime PM status and its
- * wakeup settings.
- */
- if (no_subsys_suspend_noirq &&
- !dpm_subsys_suspend_late_cb(dev, state, NULL) &&
- !dpm_subsys_resume_early_cb(dev, resume_msg, NULL) &&
- !dpm_subsys_resume_noirq_cb(dev, resume_msg, NULL))
- return !pm_runtime_status_suspended(dev) &&
- (resume_msg.event != PM_EVENT_RESUME ||
- (device_can_wakeup(dev) && !device_may_wakeup(dev)));
-
- /*
- * The only safe strategy here is to require that if the device may not
- * be left in suspend, resume callbacks must be invoked for it.
- */
- return !dev->power.may_skip_resume;
-}
-
/**
* __device_suspend_noirq - Execute a "noirq suspend" callback for given device.
* @dev: Device to handle.
@@ -1311,9 +1191,8 @@ static bool device_must_resume(struct device *dev, pm_message_t state,
*/
static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
- bool no_subsys_cb = false;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -1327,13 +1206,23 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- callback = dpm_subsys_suspend_noirq_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "noirq power domain ";
+ callback = pm_noirq_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "noirq type ";
+ callback = pm_noirq_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "noirq class ";
+ callback = pm_noirq_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "noirq bus ";
+ callback = pm_noirq_op(dev->bus->pm, state);
+ }
if (callback)
goto Run;
- no_subsys_cb = !dpm_subsys_suspend_late_cb(dev, state, NULL);
-
- if (dev_pm_smart_suspend_and_suspended(dev) && no_subsys_cb)
+ if (dev_pm_skip_suspend(dev))
goto Skip;
if (dev->driver && dev->driver->pm) {
@@ -1351,13 +1240,16 @@ Run:
Skip:
dev->power.is_noirq_suspended = true;
- if (dev_pm_test_driver_flags(dev, DPM_FLAG_LEAVE_SUSPENDED)) {
- dev->power.must_resume = dev->power.must_resume ||
- atomic_read(&dev->power.usage_count) > 1 ||
- device_must_resume(dev, state, no_subsys_cb);
- } else {
+ /*
+ * Skipping the resume of devices that were in use right before the
+ * system suspend (as indicated by their PM-runtime usage counters)
+ * would be suboptimal. Also resume them if doing that is not allowed
+ * to be skipped.
+ */
+ if (atomic_read(&dev->power.usage_count) > 1 ||
+ !(dev_pm_test_driver_flags(dev, DPM_FLAG_MAY_SKIP_RESUME) &&
+ dev->power.may_skip_resume))
dev->power.must_resume = true;
- }
if (dev->power.must_resume)
dpm_superior_set_must_resume(dev);
@@ -1474,35 +1366,6 @@ static void dpm_propagate_wakeup_to_parent(struct device *dev)
spin_unlock_irq(&parent->power.lock);
}
-static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
- pm_message_t state,
- const char **info_p)
-{
- pm_callback_t callback;
- const char *info;
-
- if (dev->pm_domain) {
- info = "late power domain ";
- callback = pm_late_early_op(&dev->pm_domain->ops, state);
- } else if (dev->type && dev->type->pm) {
- info = "late type ";
- callback = pm_late_early_op(dev->type->pm, state);
- } else if (dev->class && dev->class->pm) {
- info = "late class ";
- callback = pm_late_early_op(dev->class->pm, state);
- } else if (dev->bus && dev->bus->pm) {
- info = "late bus ";
- callback = pm_late_early_op(dev->bus->pm, state);
- } else {
- return NULL;
- }
-
- if (info_p)
- *info_p = info;
-
- return callback;
-}
-
/**
* __device_suspend_late - Execute a "late suspend" callback for given device.
* @dev: Device to handle.
@@ -1513,8 +1376,8 @@ static pm_callback_t dpm_subsys_suspend_late_cb(struct device *dev,
*/
static int __device_suspend_late(struct device *dev, pm_message_t state, bool async)
{
- pm_callback_t callback;
- const char *info;
+ pm_callback_t callback = NULL;
+ const char *info = NULL;
int error = 0;
TRACE_DEVICE(dev);
@@ -1535,12 +1398,23 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as
if (dev->power.syscore || dev->power.direct_complete)
goto Complete;
- callback = dpm_subsys_suspend_late_cb(dev, state, &info);
+ if (dev->pm_domain) {
+ info = "late power domain ";
+ callback = pm_late_early_op(&dev->pm_domain->ops, state);
+ } else if (dev->type && dev->type->pm) {
+ info = "late type ";
+ callback = pm_late_early_op(dev->type->pm, state);
+ } else if (dev->class && dev->class->pm) {
+ info = "late class ";
+ callback = pm_late_early_op(dev->class->pm, state);
+ } else if (dev->bus && dev->bus->pm) {
+ info = "late bus ";
+ callback = pm_late_early_op(dev->bus->pm, state);
+ }
if (callback)
goto Run;
- if (dev_pm_smart_suspend_and_suspended(dev) &&
- !dpm_subsys_suspend_noirq_cb(dev, state, NULL))
+ if (dev_pm_skip_suspend(dev))
goto Skip;
if (dev->driver && dev->driver->pm) {
@@ -1766,7 +1640,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
dev->power.direct_complete = false;
}
- dev->power.may_skip_resume = false;
+ dev->power.may_skip_resume = true;
dev->power.must_resume = false;
dpm_watchdog_set(&wd, dev);
@@ -1970,7 +1844,7 @@ unlock:
spin_lock_irq(&dev->power.lock);
dev->power.direct_complete = state.event == PM_EVENT_SUSPEND &&
(ret > 0 || dev->power.no_pm_callbacks) &&
- !dev_pm_test_driver_flags(dev, DPM_FLAG_NEVER_SKIP);
+ !dev_pm_test_driver_flags(dev, DPM_FLAG_NO_DIRECT_COMPLETE);
spin_unlock_irq(&dev->power.lock);
return 0;
}
@@ -2128,7 +2002,7 @@ void device_pm_check_callbacks(struct device *dev)
spin_unlock_irq(&dev->power.lock);
}
-bool dev_pm_smart_suspend_and_suspended(struct device *dev)
+bool dev_pm_skip_suspend(struct device *dev)
{
return dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) &&
pm_runtime_status_suspended(dev);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 99c7da112c95..9f62790f644c 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -523,13 +523,11 @@ static int rpm_suspend(struct device *dev, int rpmflags)
repeat:
retval = rpm_check_suspend_allowed(dev);
-
if (retval < 0)
- ; /* Conditions are wrong. */
+ goto out; /* Conditions are wrong. */
/* Synchronous suspends are not allowed in the RPM_RESUMING state. */
- else if (dev->power.runtime_status == RPM_RESUMING &&
- !(rpmflags & RPM_ASYNC))
+ if (dev->power.runtime_status == RPM_RESUMING && !(rpmflags & RPM_ASYNC))
retval = -EAGAIN;
if (retval)
goto out;
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index 2b99fe1eb207..24d25cf8ab14 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -666,7 +666,7 @@ int dpm_sysfs_add(struct device *dev)
if (rc)
return rc;
- if (pm_runtime_callbacks_present(dev)) {
+ if (!pm_runtime_has_no_callbacks(dev)) {
rc = sysfs_merge_group(&dev->kobj, &pm_runtime_attr_group);
if (rc)
goto err_out;
@@ -709,7 +709,7 @@ int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid)
if (rc)
return rc;
- if (pm_runtime_callbacks_present(dev)) {
+ if (!pm_runtime_has_no_callbacks(dev)) {
rc = sysfs_group_change_owner(
&dev->kobj, &pm_runtime_attr_group, kuid, kgid);
if (rc)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index e72843fe41df..089e5dc7144a 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -227,6 +227,9 @@ static ssize_t regmap_read_debugfs(struct regmap *map, unsigned int from,
if (*ppos < 0 || !count)
return -EINVAL;
+ if (count > (PAGE_SIZE << (MAX_ORDER - 1)))
+ count = PAGE_SIZE << (MAX_ORDER - 1);
+
buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -371,6 +374,9 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
if (*ppos < 0 || !count)
return -EINVAL;
+ if (count > (PAGE_SIZE << (MAX_ORDER - 1)))
+ count = PAGE_SIZE << (MAX_ORDER - 1);
+
buf = kmalloc(count, GFP_KERNEL);
if (!buf)
return -ENOMEM;
diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c
index 008f8da69d97..62b95a9212ae 100644
--- a/drivers/base/regmap/regmap-i2c.c
+++ b/drivers/base/regmap/regmap-i2c.c
@@ -246,6 +246,63 @@ static const struct regmap_bus regmap_i2c_smbus_i2c_block = {
.max_raw_write = I2C_SMBUS_BLOCK_MAX,
};
+static int regmap_i2c_smbus_i2c_write_reg16(void *context, const void *data,
+ size_t count)
+{
+ struct device *dev = context;
+ struct i2c_client *i2c = to_i2c_client(dev);
+
+ if (count < 2)
+ return -EINVAL;
+
+ count--;
+ return i2c_smbus_write_i2c_block_data(i2c, ((u8 *)data)[0], count,
+ (u8 *)data + 1);
+}
+
+static int regmap_i2c_smbus_i2c_read_reg16(void *context, const void *reg,
+ size_t reg_size, void *val,
+ size_t val_size)
+{
+ struct device *dev = context;
+ struct i2c_client *i2c = to_i2c_client(dev);
+ int ret, count, len = val_size;
+
+ if (reg_size != 2)
+ return -EINVAL;
+
+ ret = i2c_smbus_write_byte_data(i2c, ((u16 *)reg)[0] & 0xff,
+ ((u16 *)reg)[0] >> 8);
+ if (ret < 0)
+ return ret;
+
+ count = 0;
+ do {
+ /* Current Address Read */
+ ret = i2c_smbus_read_byte(i2c);
+ if (ret < 0)
+ break;
+
+ *((u8 *)val++) = ret;
+ count++;
+ len--;
+ } while (len > 0);
+
+ if (count == val_size)
+ return 0;
+ else if (ret < 0)
+ return ret;
+ else
+ return -EIO;
+}
+
+static const struct regmap_bus regmap_i2c_smbus_i2c_block_reg16 = {
+ .write = regmap_i2c_smbus_i2c_write_reg16,
+ .read = regmap_i2c_smbus_i2c_read_reg16,
+ .max_raw_read = I2C_SMBUS_BLOCK_MAX,
+ .max_raw_write = I2C_SMBUS_BLOCK_MAX,
+};
+
static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,
const struct regmap_config *config)
{
@@ -255,6 +312,10 @@ static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,
i2c_check_functionality(i2c->adapter,
I2C_FUNC_SMBUS_I2C_BLOCK))
return &regmap_i2c_smbus_i2c_block;
+ else if (config->val_bits == 8 && config->reg_bits == 16 &&
+ i2c_check_functionality(i2c->adapter,
+ I2C_FUNC_SMBUS_I2C_BLOCK))
+ return &regmap_i2c_smbus_i2c_block_reg16;
else if (config->val_bits == 16 && config->reg_bits == 8 &&
i2c_check_functionality(i2c->adapter,
I2C_FUNC_SMBUS_WORD_DATA))
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c
index 3d64c9331a82..4340e1d268b6 100644
--- a/drivers/base/regmap/regmap-irq.c
+++ b/drivers/base/regmap/regmap-irq.c
@@ -541,8 +541,9 @@ static const struct irq_domain_ops regmap_domain_ops = {
};
/**
- * regmap_add_irq_chip() - Use standard regmap IRQ controller handling
+ * regmap_add_irq_chip_np() - Use standard regmap IRQ controller handling
*
+ * @np: The device_node where the IRQ domain should be added to.
* @map: The regmap for the device.
* @irq: The IRQ the device uses to signal interrupts.
* @irq_flags: The IRQF_ flags to use for the primary interrupt.
@@ -556,9 +557,10 @@ static const struct irq_domain_ops regmap_domain_ops = {
* register cache. The chip driver is responsible for restoring the
* register values used by the IRQ controller over suspend and resume.
*/
-int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
- int irq_base, const struct regmap_irq_chip *chip,
- struct regmap_irq_chip_data **data)
+int regmap_add_irq_chip_np(struct device_node *np, struct regmap *map, int irq,
+ int irq_flags, int irq_base,
+ const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data)
{
struct regmap_irq_chip_data *d;
int i;
@@ -769,12 +771,10 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
}
if (irq_base)
- d->domain = irq_domain_add_legacy(map->dev->of_node,
- chip->num_irqs, irq_base, 0,
- &regmap_domain_ops, d);
+ d->domain = irq_domain_add_legacy(np, chip->num_irqs, irq_base,
+ 0, &regmap_domain_ops, d);
else
- d->domain = irq_domain_add_linear(map->dev->of_node,
- chip->num_irqs,
+ d->domain = irq_domain_add_linear(np, chip->num_irqs,
&regmap_domain_ops, d);
if (!d->domain) {
dev_err(map->dev, "Failed to create IRQ domain\n");
@@ -808,6 +808,30 @@ err_alloc:
kfree(d);
return ret;
}
+EXPORT_SYMBOL_GPL(regmap_add_irq_chip_np);
+
+/**
+ * regmap_add_irq_chip() - Use standard regmap IRQ controller handling
+ *
+ * @map: The regmap for the device.
+ * @irq: The IRQ the device uses to signal interrupts.
+ * @irq_flags: The IRQF_ flags to use for the primary interrupt.
+ * @irq_base: Allocate at specific IRQ number if irq_base > 0.
+ * @chip: Configuration for the interrupt controller.
+ * @data: Runtime data structure for the controller, allocated on success.
+ *
+ * Returns 0 on success or an errno on failure.
+ *
+ * This is the same as regmap_add_irq_chip_np, except that the device
+ * node of the regmap is used.
+ */
+int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
+ int irq_base, const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data)
+{
+ return regmap_add_irq_chip_np(map->dev->of_node, map, irq, irq_flags,
+ irq_base, chip, data);
+}
EXPORT_SYMBOL_GPL(regmap_add_irq_chip);
/**
@@ -875,9 +899,10 @@ static int devm_regmap_irq_chip_match(struct device *dev, void *res, void *data)
}
/**
- * devm_regmap_add_irq_chip() - Resource manager regmap_add_irq_chip()
+ * devm_regmap_add_irq_chip_np() - Resource manager regmap_add_irq_chip_np()
*
* @dev: The device pointer on which irq_chip belongs to.
+ * @np: The device_node where the IRQ domain should be added to.
* @map: The regmap for the device.
* @irq: The IRQ the device uses to signal interrupts
* @irq_flags: The IRQF_ flags to use for the primary interrupt.
@@ -890,10 +915,11 @@ static int devm_regmap_irq_chip_match(struct device *dev, void *res, void *data)
* The &regmap_irq_chip_data will be automatically released when the device is
* unbound.
*/
-int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
- int irq_flags, int irq_base,
- const struct regmap_irq_chip *chip,
- struct regmap_irq_chip_data **data)
+int devm_regmap_add_irq_chip_np(struct device *dev, struct device_node *np,
+ struct regmap *map, int irq, int irq_flags,
+ int irq_base,
+ const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data)
{
struct regmap_irq_chip_data **ptr, *d;
int ret;
@@ -903,8 +929,8 @@ int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
if (!ptr)
return -ENOMEM;
- ret = regmap_add_irq_chip(map, irq, irq_flags, irq_base,
- chip, &d);
+ ret = regmap_add_irq_chip_np(np, map, irq, irq_flags, irq_base,
+ chip, &d);
if (ret < 0) {
devres_free(ptr);
return ret;
@@ -915,6 +941,32 @@ int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
*data = d;
return 0;
}
+EXPORT_SYMBOL_GPL(devm_regmap_add_irq_chip_np);
+
+/**
+ * devm_regmap_add_irq_chip() - Resource manager regmap_add_irq_chip()
+ *
+ * @dev: The device pointer on which irq_chip belongs to.
+ * @map: The regmap for the device.
+ * @irq: The IRQ the device uses to signal interrupts
+ * @irq_flags: The IRQF_ flags to use for the primary interrupt.
+ * @irq_base: Allocate at specific IRQ number if irq_base > 0.
+ * @chip: Configuration for the interrupt controller.
+ * @data: Runtime data structure for the controller, allocated on success
+ *
+ * Returns 0 on success or an errno on failure.
+ *
+ * The &regmap_irq_chip_data will be automatically released when the device is
+ * unbound.
+ */
+int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
+ int irq_flags, int irq_base,
+ const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data)
+{
+ return devm_regmap_add_irq_chip_np(dev, map->dev->of_node, map, irq,
+ irq_flags, irq_base, chip, data);
+}
EXPORT_SYMBOL_GPL(devm_regmap_add_irq_chip);
/**
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 59f911e57719..c472f624382d 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -827,6 +827,7 @@ struct regmap *__regmap_init(struct device *dev,
} else if (!bus->read || !bus->write) {
map->reg_read = _regmap_bus_reg_read;
map->reg_write = _regmap_bus_reg_write;
+ map->reg_update_bits = bus->reg_update_bits;
map->defer_caching = false;
goto skip_format_initialization;
@@ -2936,6 +2937,28 @@ int regmap_update_bits_base(struct regmap *map, unsigned int reg,
}
EXPORT_SYMBOL_GPL(regmap_update_bits_base);
+/**
+ * regmap_test_bits() - Check if all specified bits are set in a register.
+ *
+ * @map: Register map to operate on
+ * @reg: Register to read from
+ * @bits: Bits to test
+ *
+ * Returns -1 if the underlying regmap_read() fails, 0 if at least one of the
+ * tested bits is not set and 1 if all tested bits are set.
+ */
+int regmap_test_bits(struct regmap *map, unsigned int reg, unsigned int bits)
+{
+ unsigned int val, ret;
+
+ ret = regmap_read(map, reg, &val);
+ if (ret)
+ return ret;
+
+ return (val & bits) == bits;
+}
+EXPORT_SYMBOL_GPL(regmap_test_bits);
+
void regmap_async_complete_cb(struct regmap_async *async, int ret)
{
struct regmap *map = async->map;
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index de8d3543e8fe..2079937ddb51 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -727,6 +727,54 @@ void software_node_unregister_nodes(const struct software_node *nodes)
EXPORT_SYMBOL_GPL(software_node_unregister_nodes);
/**
+ * software_node_register_node_group - Register a group of software nodes
+ * @node_group: NULL terminated array of software node pointers to be registered
+ *
+ * Register multiple software nodes at once.
+ */
+int software_node_register_node_group(const struct software_node **node_group)
+{
+ unsigned int i;
+ int ret;
+
+ if (!node_group)
+ return 0;
+
+ for (i = 0; node_group[i]; i++) {
+ ret = software_node_register(node_group[i]);
+ if (ret) {
+ software_node_unregister_node_group(node_group);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(software_node_register_node_group);
+
+/**
+ * software_node_unregister_node_group - Unregister a group of software nodes
+ * @node_group: NULL terminated array of software node pointers to be unregistered
+ *
+ * Unregister multiple software nodes at once.
+ */
+void software_node_unregister_node_group(const struct software_node **node_group)
+{
+ struct swnode *swnode;
+ unsigned int i;
+
+ if (!node_group)
+ return;
+
+ for (i = 0; node_group[i]; i++) {
+ swnode = software_node_to_swnode(node_group[i]);
+ if (swnode)
+ fwnode_remove_software_node(&swnode->fwnode);
+ }
+}
+EXPORT_SYMBOL_GPL(software_node_unregister_node_group);
+
+/**
* software_node_register - Register static software node
* @node: The software node to be registered
*/
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index a27804d71e12..5ca7216e9e01 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -407,7 +407,6 @@ aoeblk_gdalloc(void *vp)
WARN_ON(d->gd);
WARN_ON(d->flags & DEVFL_UP);
blk_queue_max_hw_sectors(q, BLK_DEF_MAX_SECTORS);
- q->backing_dev_info->name = "aoe";
q->backing_dev_info->ra_pages = READ_AHEAD / PAGE_SIZE;
d->bufpool = mp;
d->blkq = gd->queue = q;
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 15e99697234a..df53dca5d02c 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -396,9 +396,7 @@ static struct page **bm_realloc_pages(struct drbd_bitmap *b, unsigned long want)
bytes = sizeof(struct page *)*want;
new_pages = kzalloc(bytes, GFP_NOIO | __GFP_NOWARN);
if (!new_pages) {
- new_pages = __vmalloc(bytes,
- GFP_NOIO | __GFP_ZERO,
- PAGE_KERNEL);
+ new_pages = __vmalloc(bytes, GFP_NOIO | __GFP_ZERO);
if (!new_pages)
return NULL;
}
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index aae99a2d7bd4..14345a87c7cc 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1570,34 +1570,6 @@ extern void drbd_set_recv_tcq(struct drbd_device *device, int tcq_enabled);
extern void _drbd_clear_done_ee(struct drbd_device *device, struct list_head *to_be_freed);
extern int drbd_connected(struct drbd_peer_device *);
-static inline void drbd_tcp_cork(struct socket *sock)
-{
- int val = 1;
- (void) kernel_setsockopt(sock, SOL_TCP, TCP_CORK,
- (char*)&val, sizeof(val));
-}
-
-static inline void drbd_tcp_uncork(struct socket *sock)
-{
- int val = 0;
- (void) kernel_setsockopt(sock, SOL_TCP, TCP_CORK,
- (char*)&val, sizeof(val));
-}
-
-static inline void drbd_tcp_nodelay(struct socket *sock)
-{
- int val = 1;
- (void) kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (char*)&val, sizeof(val));
-}
-
-static inline void drbd_tcp_quickack(struct socket *sock)
-{
- int val = 2;
- (void) kernel_setsockopt(sock, SOL_TCP, TCP_QUICKACK,
- (char*)&val, sizeof(val));
-}
-
/* sets the number of 512 byte sectors of our virtual device */
void drbd_set_my_capacity(struct drbd_device *device, sector_t size);
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index c094c3c2c5d4..45fbd526c453 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -660,7 +660,7 @@ static int __send_command(struct drbd_connection *connection, int vnr,
/* DRBD protocol "pings" are latency critical.
* This is supposed to trigger tcp_push_pending_frames() */
if (!err && (cmd == P_PING || cmd == P_PING_ACK))
- drbd_tcp_nodelay(sock->socket);
+ tcp_sock_set_nodelay(sock->socket->sk);
return err;
}
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index c15e7083b13a..3a3f2b6a821f 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1051,8 +1051,8 @@ randomize:
/* we don't want delays.
* we use TCP_CORK where appropriate, though */
- drbd_tcp_nodelay(sock.socket);
- drbd_tcp_nodelay(msock.socket);
+ tcp_sock_set_nodelay(sock.socket->sk);
+ tcp_sock_set_nodelay(msock.socket->sk);
connection->data.socket = sock.socket;
connection->meta.socket = msock.socket;
@@ -1223,7 +1223,7 @@ static int drbd_recv_header_maybe_unplug(struct drbd_connection *connection, str
* quickly as possible, and let remote TCP know what we have
* received so far. */
if (err == -EAGAIN) {
- drbd_tcp_quickack(connection->data.socket);
+ tcp_sock_set_quickack(connection->data.socket->sk, 2);
drbd_unplug_all_devices(connection);
}
if (err > 0) {
@@ -4959,8 +4959,7 @@ static int receive_UnplugRemote(struct drbd_connection *connection, struct packe
{
/* Make sure we've acked all the TCP data associated
* with the data requests being unplugged */
- drbd_tcp_quickack(connection->data.socket);
-
+ tcp_sock_set_quickack(connection->data.socket->sk, 2);
return 0;
}
@@ -6162,7 +6161,7 @@ void drbd_send_acks_wf(struct work_struct *ws)
rcu_read_unlock();
if (tcp_cork)
- drbd_tcp_cork(connection->meta.socket);
+ tcp_sock_set_cork(connection->meta.socket->sk, true);
err = drbd_finish_peer_reqs(device);
kref_put(&device->kref, drbd_destroy_device);
@@ -6175,7 +6174,7 @@ void drbd_send_acks_wf(struct work_struct *ws)
}
if (tcp_cork)
- drbd_tcp_uncork(connection->meta.socket);
+ tcp_sock_set_cork(connection->meta.socket->sk, false);
return;
}
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 840c3aef3c5c..c80a2f1c3c2a 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -21,24 +21,6 @@
static bool drbd_may_do_local_read(struct drbd_device *device, sector_t sector, int size);
-/* Update disk stats at start of I/O request */
-static void _drbd_start_io_acct(struct drbd_device *device, struct drbd_request *req)
-{
- struct request_queue *q = device->rq_queue;
-
- generic_start_io_acct(q, bio_op(req->master_bio),
- req->i.size >> 9, &device->vdisk->part0);
-}
-
-/* Update disk stats when completing request upwards */
-static void _drbd_end_io_acct(struct drbd_device *device, struct drbd_request *req)
-{
- struct request_queue *q = device->rq_queue;
-
- generic_end_io_acct(q, bio_op(req->master_bio),
- &device->vdisk->part0, req->start_jif);
-}
-
static struct drbd_request *drbd_req_new(struct drbd_device *device, struct bio *bio_src)
{
struct drbd_request *req;
@@ -263,7 +245,7 @@ void drbd_req_complete(struct drbd_request *req, struct bio_and_error *m)
start_new_tl_epoch(first_peer_device(device)->connection);
/* Update disk stats */
- _drbd_end_io_acct(device, req);
+ bio_end_io_acct(req->master_bio, req->start_jif);
/* If READ failed,
* have it be pushed back to the retry work queue,
@@ -1222,16 +1204,15 @@ drbd_request_prepare(struct drbd_device *device, struct bio *bio, unsigned long
bio_endio(bio);
return ERR_PTR(-ENOMEM);
}
- req->start_jif = start_jif;
+
+ /* Update disk stats */
+ req->start_jif = bio_start_io_acct(req->master_bio);
if (!get_ldev(device)) {
bio_put(req->private_bio);
req->private_bio = NULL;
}
- /* Update disk stats */
- _drbd_start_io_acct(device, req);
-
/* process discards always from our submitter thread */
if (bio_op(bio) == REQ_OP_WRITE_ZEROES ||
bio_op(bio) == REQ_OP_DISCARD)
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 0dc019da1f8d..2b89c9f2ca70 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -2098,7 +2098,7 @@ static void wait_for_work(struct drbd_connection *connection, struct list_head *
if (uncork) {
mutex_lock(&connection->data.mutex);
if (connection->data.socket)
- drbd_tcp_uncork(connection->data.socket);
+ tcp_sock_set_cork(connection->data.socket->sk, false);
mutex_unlock(&connection->data.mutex);
}
@@ -2153,9 +2153,9 @@ static void wait_for_work(struct drbd_connection *connection, struct list_head *
mutex_lock(&connection->data.mutex);
if (connection->data.socket) {
if (cork)
- drbd_tcp_cork(connection->data.socket);
+ tcp_sock_set_cork(connection->data.socket->sk, true);
else if (!uncork)
- drbd_tcp_uncork(connection->data.socket);
+ tcp_sock_set_cork(connection->data.socket->sk, false);
}
mutex_unlock(&connection->data.mutex);
}
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index c3daa64cb52c..3e9db22db2a8 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -337,8 +337,7 @@ static bool initialized;
/*
* globals used by 'result()'
*/
-#define MAX_REPLIES 16
-static unsigned char reply_buffer[MAX_REPLIES];
+static unsigned char reply_buffer[FD_RAW_REPLY_SIZE];
static int inr; /* size of reply buffer, when called from interrupt */
#define ST0 0
#define ST1 1
@@ -595,12 +594,12 @@ static unsigned char in_sector_offset; /* offset within physical sector,
static inline unsigned char fdc_inb(int fdc, int reg)
{
- return fd_inb(fdc_state[fdc].address + reg);
+ return fd_inb(fdc_state[fdc].address, reg);
}
static inline void fdc_outb(unsigned char value, int fdc, int reg)
{
- fd_outb(value, fdc_state[fdc].address + reg);
+ fd_outb(value, fdc_state[fdc].address, reg);
}
static inline bool drive_no_geom(int drive)
@@ -668,16 +667,12 @@ static struct output_log {
static int output_log_pos;
-#define current_reqD -1
#define MAXTIMEOUT -2
static void __reschedule_timeout(int drive, const char *message)
{
unsigned long delay;
- if (drive == current_reqD)
- drive = current_drive;
-
if (drive < 0 || drive >= N_DRIVE) {
delay = 20UL * HZ;
drive = 0;
@@ -827,59 +822,70 @@ static int set_dor(int fdc, char mask, char data)
return olddor;
}
-static void twaddle(void)
+static void twaddle(int fdc, int drive)
{
- if (drive_params[current_drive].select_delay)
+ if (drive_params[drive].select_delay)
return;
- fdc_outb(fdc_state[current_fdc].dor & ~(0x10 << UNIT(current_drive)),
- current_fdc, FD_DOR);
- fdc_outb(fdc_state[current_fdc].dor, current_fdc, FD_DOR);
- drive_state[current_drive].select_date = jiffies;
+ fdc_outb(fdc_state[fdc].dor & ~(0x10 << UNIT(drive)),
+ fdc, FD_DOR);
+ fdc_outb(fdc_state[fdc].dor, fdc, FD_DOR);
+ drive_state[drive].select_date = jiffies;
}
/*
- * Reset all driver information about the current fdc.
+ * Reset all driver information about the specified fdc.
* This is needed after a reset, and after a raw command.
*/
-static void reset_fdc_info(int mode)
+static void reset_fdc_info(int fdc, int mode)
{
int drive;
- fdc_state[current_fdc].spec1 = fdc_state[current_fdc].spec2 = -1;
- fdc_state[current_fdc].need_configure = 1;
- fdc_state[current_fdc].perp_mode = 1;
- fdc_state[current_fdc].rawcmd = 0;
+ fdc_state[fdc].spec1 = fdc_state[fdc].spec2 = -1;
+ fdc_state[fdc].need_configure = 1;
+ fdc_state[fdc].perp_mode = 1;
+ fdc_state[fdc].rawcmd = 0;
for (drive = 0; drive < N_DRIVE; drive++)
- if (FDC(drive) == current_fdc &&
+ if (FDC(drive) == fdc &&
(mode || drive_state[drive].track != NEED_1_RECAL))
drive_state[drive].track = NEED_2_RECAL;
}
-/* selects the fdc and drive, and enables the fdc's input/dma. */
+/*
+ * selects the fdc and drive, and enables the fdc's input/dma.
+ * Both current_drive and current_fdc are changed to match the new drive.
+ */
static void set_fdc(int drive)
{
- unsigned int new_fdc = current_fdc;
+ unsigned int fdc;
- if (drive >= 0 && drive < N_DRIVE) {
- new_fdc = FDC(drive);
- current_drive = drive;
+ if (drive < 0 || drive >= N_DRIVE) {
+ pr_info("bad drive value %d\n", drive);
+ return;
}
- if (new_fdc >= N_FDC) {
+
+ fdc = FDC(drive);
+ if (fdc >= N_FDC) {
pr_info("bad fdc value\n");
return;
}
- current_fdc = new_fdc;
- set_dor(current_fdc, ~0, 8);
+
+ set_dor(fdc, ~0, 8);
#if N_FDC > 1
- set_dor(1 - current_fdc, ~8, 0);
+ set_dor(1 - fdc, ~8, 0);
#endif
- if (fdc_state[current_fdc].rawcmd == 2)
- reset_fdc_info(1);
- if (fdc_inb(current_fdc, FD_STATUS) != STATUS_READY)
- fdc_state[current_fdc].reset = 1;
+ if (fdc_state[fdc].rawcmd == 2)
+ reset_fdc_info(fdc, 1);
+ if (fdc_inb(fdc, FD_STATUS) != STATUS_READY)
+ fdc_state[fdc].reset = 1;
+
+ current_drive = drive;
+ current_fdc = fdc;
}
-/* locks the driver */
+/*
+ * locks the driver.
+ * Both current_drive and current_fdc are changed to match the new drive.
+ */
static int lock_fdc(int drive)
{
if (WARN(atomic_read(&usage_count) == 0,
@@ -1062,12 +1068,9 @@ static void setup_DMA(void)
unsigned long f;
if (raw_cmd->length == 0) {
- int i;
-
- pr_info("zero dma transfer size:");
- for (i = 0; i < raw_cmd->cmd_count; i++)
- pr_cont("%x,", raw_cmd->cmd[i]);
- pr_cont("\n");
+ print_hex_dump(KERN_INFO, "zero dma transfer size: ",
+ DUMP_PREFIX_NONE, 16, 1,
+ raw_cmd->fullcmd, raw_cmd->cmd_count, false);
cont->done(0);
fdc_state[current_fdc].reset = 1;
return;
@@ -1104,62 +1107,62 @@ static void setup_DMA(void)
#endif
}
-static void show_floppy(void);
+static void show_floppy(int fdc);
/* waits until the fdc becomes ready */
-static int wait_til_ready(void)
+static int wait_til_ready(int fdc)
{
int status;
int counter;
- if (fdc_state[current_fdc].reset)
+ if (fdc_state[fdc].reset)
return -1;
for (counter = 0; counter < 10000; counter++) {
- status = fdc_inb(current_fdc, FD_STATUS);
+ status = fdc_inb(fdc, FD_STATUS);
if (status & STATUS_READY)
return status;
}
if (initialized) {
- DPRINT("Getstatus times out (%x) on fdc %d\n", status, current_fdc);
- show_floppy();
+ DPRINT("Getstatus times out (%x) on fdc %d\n", status, fdc);
+ show_floppy(fdc);
}
- fdc_state[current_fdc].reset = 1;
+ fdc_state[fdc].reset = 1;
return -1;
}
/* sends a command byte to the fdc */
-static int output_byte(char byte)
+static int output_byte(int fdc, char byte)
{
- int status = wait_til_ready();
+ int status = wait_til_ready(fdc);
if (status < 0)
return -1;
if (is_ready_state(status)) {
- fdc_outb(byte, current_fdc, FD_DATA);
+ fdc_outb(byte, fdc, FD_DATA);
output_log[output_log_pos].data = byte;
output_log[output_log_pos].status = status;
output_log[output_log_pos].jiffies = jiffies;
output_log_pos = (output_log_pos + 1) % OLOGSIZE;
return 0;
}
- fdc_state[current_fdc].reset = 1;
+ fdc_state[fdc].reset = 1;
if (initialized) {
DPRINT("Unable to send byte %x to FDC. Fdc=%x Status=%x\n",
- byte, current_fdc, status);
- show_floppy();
+ byte, fdc, status);
+ show_floppy(fdc);
}
return -1;
}
/* gets the response from the fdc */
-static int result(void)
+static int result(int fdc)
{
int i;
int status = 0;
- for (i = 0; i < MAX_REPLIES; i++) {
- status = wait_til_ready();
+ for (i = 0; i < FD_RAW_REPLY_SIZE; i++) {
+ status = wait_til_ready(fdc);
if (status < 0)
break;
status &= STATUS_DIR | STATUS_READY | STATUS_BUSY | STATUS_DMA;
@@ -1169,24 +1172,24 @@ static int result(void)
return i;
}
if (status == (STATUS_DIR | STATUS_READY | STATUS_BUSY))
- reply_buffer[i] = fdc_inb(current_fdc, FD_DATA);
+ reply_buffer[i] = fdc_inb(fdc, FD_DATA);
else
break;
}
if (initialized) {
DPRINT("get result error. Fdc=%d Last status=%x Read bytes=%d\n",
- current_fdc, status, i);
- show_floppy();
+ fdc, status, i);
+ show_floppy(fdc);
}
- fdc_state[current_fdc].reset = 1;
+ fdc_state[fdc].reset = 1;
return -1;
}
#define MORE_OUTPUT -2
/* does the fdc need more output? */
-static int need_more_output(void)
+static int need_more_output(int fdc)
{
- int status = wait_til_ready();
+ int status = wait_til_ready(fdc);
if (status < 0)
return -1;
@@ -1194,13 +1197,13 @@ static int need_more_output(void)
if (is_ready_state(status))
return MORE_OUTPUT;
- return result();
+ return result(fdc);
}
/* Set perpendicular mode as required, based on data rate, if supported.
* 82077 Now tested. 1Mbps data rate only possible with 82077-1.
*/
-static void perpendicular_mode(void)
+static void perpendicular_mode(int fdc)
{
unsigned char perp_mode;
@@ -1215,7 +1218,7 @@ static void perpendicular_mode(void)
default:
DPRINT("Invalid data rate for perpendicular mode!\n");
cont->done(0);
- fdc_state[current_fdc].reset = 1;
+ fdc_state[fdc].reset = 1;
/*
* convenient way to return to
* redo without too much hassle
@@ -1226,12 +1229,12 @@ static void perpendicular_mode(void)
} else
perp_mode = 0;
- if (fdc_state[current_fdc].perp_mode == perp_mode)
+ if (fdc_state[fdc].perp_mode == perp_mode)
return;
- if (fdc_state[current_fdc].version >= FDC_82077_ORIG) {
- output_byte(FD_PERPENDICULAR);
- output_byte(perp_mode);
- fdc_state[current_fdc].perp_mode = perp_mode;
+ if (fdc_state[fdc].version >= FDC_82077_ORIG) {
+ output_byte(fdc, FD_PERPENDICULAR);
+ output_byte(fdc, perp_mode);
+ fdc_state[fdc].perp_mode = perp_mode;
} else if (perp_mode) {
DPRINT("perpendicular mode not supported by this FDC.\n");
}
@@ -1240,16 +1243,15 @@ static void perpendicular_mode(void)
static int fifo_depth = 0xa;
static int no_fifo;
-static int fdc_configure(void)
+static int fdc_configure(int fdc)
{
/* Turn on FIFO */
- output_byte(FD_CONFIGURE);
- if (need_more_output() != MORE_OUTPUT)
+ output_byte(fdc, FD_CONFIGURE);
+ if (need_more_output(fdc) != MORE_OUTPUT)
return 0;
- output_byte(0);
- output_byte(0x10 | (no_fifo & 0x20) | (fifo_depth & 0xf));
- output_byte(0); /* pre-compensation from track
- 0 upwards */
+ output_byte(fdc, 0);
+ output_byte(fdc, 0x10 | (no_fifo & 0x20) | (fifo_depth & 0xf));
+ output_byte(fdc, 0); /* pre-compensation from track 0 upwards */
return 1;
}
@@ -1274,7 +1276,7 @@ static int fdc_configure(void)
*
* These values are rounded up to the next highest available delay time.
*/
-static void fdc_specify(void)
+static void fdc_specify(int fdc, int drive)
{
unsigned char spec1;
unsigned char spec2;
@@ -1286,10 +1288,10 @@ static void fdc_specify(void)
int hlt_max_code = 0x7f;
int hut_max_code = 0xf;
- if (fdc_state[current_fdc].need_configure &&
- fdc_state[current_fdc].version >= FDC_82072A) {
- fdc_configure();
- fdc_state[current_fdc].need_configure = 0;
+ if (fdc_state[fdc].need_configure &&
+ fdc_state[fdc].version >= FDC_82072A) {
+ fdc_configure(fdc);
+ fdc_state[fdc].need_configure = 0;
}
switch (raw_cmd->rate & 0x03) {
@@ -1298,13 +1300,13 @@ static void fdc_specify(void)
break;
case 1:
dtr = 300;
- if (fdc_state[current_fdc].version >= FDC_82078) {
+ if (fdc_state[fdc].version >= FDC_82078) {
/* chose the default rate table, not the one
* where 1 = 2 Mbps */
- output_byte(FD_DRIVESPEC);
- if (need_more_output() == MORE_OUTPUT) {
- output_byte(UNIT(current_drive));
- output_byte(0xc0);
+ output_byte(fdc, FD_DRIVESPEC);
+ if (need_more_output(fdc) == MORE_OUTPUT) {
+ output_byte(fdc, UNIT(drive));
+ output_byte(fdc, 0xc0);
}
}
break;
@@ -1313,14 +1315,14 @@ static void fdc_specify(void)
break;
}
- if (fdc_state[current_fdc].version >= FDC_82072) {
+ if (fdc_state[fdc].version >= FDC_82072) {
scale_dtr = dtr;
hlt_max_code = 0x00; /* 0==256msec*dtr0/dtr (not linear!) */
hut_max_code = 0x0; /* 0==256msec*dtr0/dtr (not linear!) */
}
/* Convert step rate from microseconds to milliseconds and 4 bits */
- srt = 16 - DIV_ROUND_UP(drive_params[current_drive].srt * scale_dtr / 1000,
+ srt = 16 - DIV_ROUND_UP(drive_params[drive].srt * scale_dtr / 1000,
NOMINAL_DTR);
if (slow_floppy)
srt = srt / 4;
@@ -1328,14 +1330,14 @@ static void fdc_specify(void)
SUPBOUND(srt, 0xf);
INFBOUND(srt, 0);
- hlt = DIV_ROUND_UP(drive_params[current_drive].hlt * scale_dtr / 2,
+ hlt = DIV_ROUND_UP(drive_params[drive].hlt * scale_dtr / 2,
NOMINAL_DTR);
if (hlt < 0x01)
hlt = 0x01;
else if (hlt > 0x7f)
hlt = hlt_max_code;
- hut = DIV_ROUND_UP(drive_params[current_drive].hut * scale_dtr / 16,
+ hut = DIV_ROUND_UP(drive_params[drive].hut * scale_dtr / 16,
NOMINAL_DTR);
if (hut < 0x1)
hut = 0x1;
@@ -1346,12 +1348,12 @@ static void fdc_specify(void)
spec2 = (hlt << 1) | (use_virtual_dma & 1);
/* If these parameters did not change, just return with success */
- if (fdc_state[current_fdc].spec1 != spec1 ||
- fdc_state[current_fdc].spec2 != spec2) {
+ if (fdc_state[fdc].spec1 != spec1 ||
+ fdc_state[fdc].spec2 != spec2) {
/* Go ahead and set spec1 and spec2 */
- output_byte(FD_SPECIFY);
- output_byte(fdc_state[current_fdc].spec1 = spec1);
- output_byte(fdc_state[current_fdc].spec2 = spec2);
+ output_byte(fdc, FD_SPECIFY);
+ output_byte(fdc, fdc_state[fdc].spec1 = spec1);
+ output_byte(fdc, fdc_state[fdc].spec2 = spec2);
}
} /* fdc_specify */
@@ -1513,7 +1515,7 @@ static void setup_rw_floppy(void)
r = 0;
for (i = 0; i < raw_cmd->cmd_count; i++)
- r |= output_byte(raw_cmd->cmd[i]);
+ r |= output_byte(current_fdc, raw_cmd->fullcmd[i]);
debugt(__func__, "rw_command");
@@ -1524,7 +1526,7 @@ static void setup_rw_floppy(void)
}
if (!(flags & FD_RAW_INTR)) {
- inr = result();
+ inr = result(current_fdc);
cont->interrupt();
} else if (flags & FD_RAW_NEED_DISK)
fd_watchdog();
@@ -1562,29 +1564,29 @@ static void seek_interrupt(void)
floppy_ready();
}
-static void check_wp(void)
+static void check_wp(int fdc, int drive)
{
- if (test_bit(FD_VERIFY_BIT, &drive_state[current_drive].flags)) {
+ if (test_bit(FD_VERIFY_BIT, &drive_state[drive].flags)) {
/* check write protection */
- output_byte(FD_GETSTATUS);
- output_byte(UNIT(current_drive));
- if (result() != 1) {
- fdc_state[current_fdc].reset = 1;
+ output_byte(fdc, FD_GETSTATUS);
+ output_byte(fdc, UNIT(drive));
+ if (result(fdc) != 1) {
+ fdc_state[fdc].reset = 1;
return;
}
- clear_bit(FD_VERIFY_BIT, &drive_state[current_drive].flags);
+ clear_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
clear_bit(FD_NEED_TWADDLE_BIT,
- &drive_state[current_drive].flags);
- debug_dcl(drive_params[current_drive].flags,
+ &drive_state[drive].flags);
+ debug_dcl(drive_params[drive].flags,
"checking whether disk is write protected\n");
- debug_dcl(drive_params[current_drive].flags, "wp=%x\n",
+ debug_dcl(drive_params[drive].flags, "wp=%x\n",
reply_buffer[ST3] & 0x40);
if (!(reply_buffer[ST3] & 0x40))
set_bit(FD_DISK_WRITABLE_BIT,
- &drive_state[current_drive].flags);
+ &drive_state[drive].flags);
else
clear_bit(FD_DISK_WRITABLE_BIT,
- &drive_state[current_drive].flags);
+ &drive_state[drive].flags);
}
}
@@ -1628,7 +1630,7 @@ static void seek_floppy(void)
track = 1;
}
} else {
- check_wp();
+ check_wp(current_fdc, current_drive);
if (raw_cmd->track != drive_state[current_drive].track &&
(raw_cmd->flags & FD_RAW_NEED_SEEK))
track = raw_cmd->track;
@@ -1639,9 +1641,9 @@ static void seek_floppy(void)
}
do_floppy = seek_interrupt;
- output_byte(FD_SEEK);
- output_byte(UNIT(current_drive));
- if (output_byte(track) < 0) {
+ output_byte(current_fdc, FD_SEEK);
+ output_byte(current_fdc, UNIT(current_drive));
+ if (output_byte(current_fdc, track) < 0) {
reset_fdc();
return;
}
@@ -1742,14 +1744,14 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
do_print = !handler && print_unex && initialized;
- inr = result();
+ inr = result(current_fdc);
if (do_print)
print_result("unexpected interrupt", inr);
if (inr == 0) {
int max_sensei = 4;
do {
- output_byte(FD_SENSEI);
- inr = result();
+ output_byte(current_fdc, FD_SENSEI);
+ inr = result(current_fdc);
if (do_print)
print_result("sensei", inr);
max_sensei--;
@@ -1771,8 +1773,8 @@ static void recalibrate_floppy(void)
{
debugt(__func__, "");
do_floppy = recal_interrupt;
- output_byte(FD_RECALIBRATE);
- if (output_byte(UNIT(current_drive)) < 0)
+ output_byte(current_fdc, FD_RECALIBRATE);
+ if (output_byte(current_fdc, UNIT(current_drive)) < 0)
reset_fdc();
}
@@ -1782,7 +1784,7 @@ static void recalibrate_floppy(void)
static void reset_interrupt(void)
{
debugt(__func__, "");
- result(); /* get the status ready for set_fdc */
+ result(current_fdc); /* get the status ready for set_fdc */
if (fdc_state[current_fdc].reset) {
pr_info("reset set in interrupt, calling %ps\n", cont->error);
cont->error(); /* a reset just after a reset. BAD! */
@@ -1792,7 +1794,9 @@ static void reset_interrupt(void)
/*
* reset is done by pulling bit 2 of DOR low for a while (old FDCs),
- * or by setting the self clearing bit 7 of STATUS (newer FDCs)
+ * or by setting the self clearing bit 7 of STATUS (newer FDCs).
+ * This WILL trigger an interrupt, causing the handlers in the current
+ * cont's ->redo() to be called via reset_interrupt().
*/
static void reset_fdc(void)
{
@@ -1800,7 +1804,7 @@ static void reset_fdc(void)
do_floppy = reset_interrupt;
fdc_state[current_fdc].reset = 0;
- reset_fdc_info(0);
+ reset_fdc_info(current_fdc, 0);
/* Pseudo-DMA may intercept 'reset finished' interrupt. */
/* Irrelevant for systems with true DMA (i386). */
@@ -1819,7 +1823,7 @@ static void reset_fdc(void)
}
}
-static void show_floppy(void)
+static void show_floppy(int fdc)
{
int i;
@@ -1842,7 +1846,7 @@ static void show_floppy(void)
print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 1,
reply_buffer, resultsize, true);
- pr_info("status=%x\n", fdc_inb(current_fdc, FD_STATUS));
+ pr_info("status=%x\n", fdc_inb(fdc, FD_STATUS));
pr_info("fdc_busy=%lu\n", fdc_busy);
if (do_floppy)
pr_info("do_floppy=%ps\n", do_floppy);
@@ -1868,7 +1872,7 @@ static void floppy_shutdown(struct work_struct *arg)
unsigned long flags;
if (initialized)
- show_floppy();
+ show_floppy(current_fdc);
cancel_activity();
flags = claim_dma_lock();
@@ -1934,7 +1938,7 @@ static void floppy_ready(void)
"calling disk change from floppy_ready\n");
if (!(raw_cmd->flags & FD_RAW_NO_MOTOR) &&
disk_change(current_drive) && !drive_params[current_drive].select_delay)
- twaddle(); /* this clears the dcl on certain
+ twaddle(current_fdc, current_drive); /* this clears the dcl on certain
* drive/controller combinations */
#ifdef fd_chose_dma_mode
@@ -1946,20 +1950,20 @@ static void floppy_ready(void)
#endif
if (raw_cmd->flags & (FD_RAW_NEED_SEEK | FD_RAW_NEED_DISK)) {
- perpendicular_mode();
- fdc_specify(); /* must be done here because of hut, hlt ... */
+ perpendicular_mode(current_fdc);
+ fdc_specify(current_fdc, current_drive); /* must be done here because of hut, hlt ... */
seek_floppy();
} else {
if ((raw_cmd->flags & FD_RAW_READ) ||
(raw_cmd->flags & FD_RAW_WRITE))
- fdc_specify();
+ fdc_specify(current_fdc, current_drive);
setup_rw_floppy();
}
}
static void floppy_start(void)
{
- reschedule_timeout(current_reqD, "floppy start");
+ reschedule_timeout(current_drive, "floppy start");
scandrives();
debug_dcl(drive_params[current_drive].flags,
@@ -2004,6 +2008,9 @@ static const struct cont_t intr_cont = {
.done = (done_f)empty
};
+/* schedules handler, waiting for completion. May be interrupted, will then
+ * return -EINTR, in which case the driver will automatically be unlocked.
+ */
static int wait_til_done(void (*handler)(void), bool interruptible)
{
int ret;
@@ -2059,18 +2066,19 @@ static void success_and_wakeup(void)
* ==========================
*/
-static int next_valid_format(void)
+static int next_valid_format(int drive)
{
int probed_format;
- probed_format = drive_state[current_drive].probed_format;
+ probed_format = drive_state[drive].probed_format;
while (1) {
- if (probed_format >= 8 || !drive_params[current_drive].autodetect[probed_format]) {
- drive_state[current_drive].probed_format = 0;
+ if (probed_format >= FD_AUTODETECT_SIZE ||
+ !drive_params[drive].autodetect[probed_format]) {
+ drive_state[drive].probed_format = 0;
return 1;
}
- if (floppy_type[drive_params[current_drive].autodetect[probed_format]].sect) {
- drive_state[current_drive].probed_format = probed_format;
+ if (floppy_type[drive_params[drive].autodetect[probed_format]].sect) {
+ drive_state[drive].probed_format = probed_format;
return 0;
}
probed_format++;
@@ -2083,7 +2091,7 @@ static void bad_flp_intr(void)
if (probing) {
drive_state[current_drive].probed_format++;
- if (!next_valid_format())
+ if (!next_valid_format(current_drive))
return;
}
err_count = ++(*errors);
@@ -2843,6 +2851,9 @@ static int set_next_request(void)
return current_req != NULL;
}
+/* Starts or continues processing request. Will automatically unlock the
+ * driver at end of request.
+ */
static void redo_fd_request(void)
{
int drive;
@@ -2867,7 +2878,7 @@ do_request:
}
drive = (long)current_req->rq_disk->private_data;
set_fdc(drive);
- reschedule_timeout(current_reqD, "redo fd request");
+ reschedule_timeout(current_drive, "redo fd request");
set_floppy(drive);
raw_cmd = &default_raw_cmd;
@@ -2885,7 +2896,7 @@ do_request:
if (!_floppy) { /* Autodetection */
if (!probing) {
drive_state[current_drive].probed_format = 0;
- if (next_valid_format()) {
+ if (next_valid_format(current_drive)) {
DPRINT("no autodetectable formats\n");
_floppy = NULL;
request_done(0);
@@ -2904,7 +2915,7 @@ do_request:
}
if (test_bit(FD_NEED_TWADDLE_BIT, &drive_state[current_drive].flags))
- twaddle();
+ twaddle(current_fdc, current_drive);
schedule_bh(floppy_start);
debugt(__func__, "queue fd request");
return;
@@ -2917,6 +2928,7 @@ static const struct cont_t rw_cont = {
.done = request_done
};
+/* schedule the request and automatically unlock the driver on completion */
static void process_fd_request(void)
{
cont = &rw_cont;
@@ -2938,17 +2950,17 @@ static blk_status_t floppy_queue_rq(struct blk_mq_hw_ctx *hctx,
(unsigned long long) current_req->cmd_flags))
return BLK_STS_IOERR;
- spin_lock_irq(&floppy_lock);
- list_add_tail(&bd->rq->queuelist, &floppy_reqs);
- spin_unlock_irq(&floppy_lock);
-
if (test_and_set_bit(0, &fdc_busy)) {
/* fdc busy, this new request will be treated when the
current one is done */
is_alive(__func__, "old request running");
- return BLK_STS_OK;
+ return BLK_STS_RESOURCE;
}
+ spin_lock_irq(&floppy_lock);
+ list_add_tail(&bd->rq->queuelist, &floppy_reqs);
+ spin_unlock_irq(&floppy_lock);
+
command_status = FD_COMMAND_NONE;
__reschedule_timeout(MAXTIMEOUT, "fd_request");
set_fdc(0);
@@ -2996,6 +3008,10 @@ static const struct cont_t reset_cont = {
.done = generic_done
};
+/*
+ * Resets the FDC connected to drive <drive>.
+ * Both current_drive and current_fdc are changed to match the new drive.
+ */
static int user_reset_fdc(int drive, int arg, bool interruptible)
{
int ret;
@@ -3006,6 +3022,9 @@ static int user_reset_fdc(int drive, int arg, bool interruptible)
if (arg == FD_RESET_ALWAYS)
fdc_state[current_fdc].reset = 1;
if (fdc_state[current_fdc].reset) {
+ /* note: reset_fdc will take care of unlocking the driver
+ * on completion.
+ */
cont = &reset_cont;
ret = wait_til_done(reset_fdc, interruptible);
if (ret == -EINTR)
@@ -3059,7 +3078,7 @@ static void raw_cmd_done(int flag)
raw_cmd->flags |= FD_RAW_HARDFAILURE;
} else {
raw_cmd->reply_count = inr;
- if (raw_cmd->reply_count > MAX_REPLIES)
+ if (raw_cmd->reply_count > FD_RAW_REPLY_SIZE)
raw_cmd->reply_count = 0;
for (i = 0; i < raw_cmd->reply_count; i++)
raw_cmd->reply[i] = reply_buffer[i];
@@ -3170,18 +3189,10 @@ loop:
if (ret)
return -EFAULT;
param += sizeof(struct floppy_raw_cmd);
- if (ptr->cmd_count > 33)
- /* the command may now also take up the space
- * initially intended for the reply & the
- * reply count. Needed for long 82078 commands
- * such as RESTORE, which takes ... 17 command
- * bytes. Murphy's law #137: When you reserve
- * 16 bytes for a structure, you'll one day
- * discover that you really need 17...
- */
+ if (ptr->cmd_count > FD_RAW_CMD_FULLSIZE)
return -EINVAL;
- for (i = 0; i < 16; i++)
+ for (i = 0; i < FD_RAW_REPLY_SIZE; i++)
ptr->reply[i] = 0;
ptr->resultcode = 0;
@@ -3423,13 +3434,13 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
return 0;
}
-static bool valid_floppy_drive_params(const short autodetect[8],
+static bool valid_floppy_drive_params(const short autodetect[FD_AUTODETECT_SIZE],
int native_format)
{
size_t floppy_type_size = ARRAY_SIZE(floppy_type);
size_t i = 0;
- for (i = 0; i < 8; ++i) {
+ for (i = 0; i < FD_AUTODETECT_SIZE; ++i) {
if (autodetect[i] < 0 ||
autodetect[i] >= floppy_type_size)
return false;
@@ -3610,7 +3621,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
case FDTWADDLE:
if (lock_fdc(drive))
return -EINTR;
- twaddle();
+ twaddle(current_fdc, current_drive);
process_fd_request();
return 0;
default:
@@ -3654,7 +3665,7 @@ struct compat_floppy_drive_params {
struct floppy_max_errors max_errors;
char flags;
char read_track;
- short autodetect[8];
+ short autodetect[FD_AUTODETECT_SIZE];
compat_int_t checkfreq;
compat_int_t native_format;
};
@@ -4298,79 +4309,79 @@ static const struct block_device_operations floppy_fops = {
/* Determine the floppy disk controller type */
/* This routine was written by David C. Niemi */
-static char __init get_fdc_version(void)
+static char __init get_fdc_version(int fdc)
{
int r;
- output_byte(FD_DUMPREGS); /* 82072 and better know DUMPREGS */
- if (fdc_state[current_fdc].reset)
+ output_byte(fdc, FD_DUMPREGS); /* 82072 and better know DUMPREGS */
+ if (fdc_state[fdc].reset)
return FDC_NONE;
- r = result();
+ r = result(fdc);
if (r <= 0x00)
return FDC_NONE; /* No FDC present ??? */
if ((r == 1) && (reply_buffer[0] == 0x80)) {
- pr_info("FDC %d is an 8272A\n", current_fdc);
+ pr_info("FDC %d is an 8272A\n", fdc);
return FDC_8272A; /* 8272a/765 don't know DUMPREGS */
}
if (r != 10) {
pr_info("FDC %d init: DUMPREGS: unexpected return of %d bytes.\n",
- current_fdc, r);
+ fdc, r);
return FDC_UNKNOWN;
}
- if (!fdc_configure()) {
- pr_info("FDC %d is an 82072\n", current_fdc);
+ if (!fdc_configure(fdc)) {
+ pr_info("FDC %d is an 82072\n", fdc);
return FDC_82072; /* 82072 doesn't know CONFIGURE */
}
- output_byte(FD_PERPENDICULAR);
- if (need_more_output() == MORE_OUTPUT) {
- output_byte(0);
+ output_byte(fdc, FD_PERPENDICULAR);
+ if (need_more_output(fdc) == MORE_OUTPUT) {
+ output_byte(fdc, 0);
} else {
- pr_info("FDC %d is an 82072A\n", current_fdc);
+ pr_info("FDC %d is an 82072A\n", fdc);
return FDC_82072A; /* 82072A as found on Sparcs. */
}
- output_byte(FD_UNLOCK);
- r = result();
+ output_byte(fdc, FD_UNLOCK);
+ r = result(fdc);
if ((r == 1) && (reply_buffer[0] == 0x80)) {
- pr_info("FDC %d is a pre-1991 82077\n", current_fdc);
+ pr_info("FDC %d is a pre-1991 82077\n", fdc);
return FDC_82077_ORIG; /* Pre-1991 82077, doesn't know
* LOCK/UNLOCK */
}
if ((r != 1) || (reply_buffer[0] != 0x00)) {
pr_info("FDC %d init: UNLOCK: unexpected return of %d bytes.\n",
- current_fdc, r);
+ fdc, r);
return FDC_UNKNOWN;
}
- output_byte(FD_PARTID);
- r = result();
+ output_byte(fdc, FD_PARTID);
+ r = result(fdc);
if (r != 1) {
pr_info("FDC %d init: PARTID: unexpected return of %d bytes.\n",
- current_fdc, r);
+ fdc, r);
return FDC_UNKNOWN;
}
if (reply_buffer[0] == 0x80) {
- pr_info("FDC %d is a post-1991 82077\n", current_fdc);
+ pr_info("FDC %d is a post-1991 82077\n", fdc);
return FDC_82077; /* Revised 82077AA passes all the tests */
}
switch (reply_buffer[0] >> 5) {
case 0x0:
/* Either a 82078-1 or a 82078SL running at 5Volt */
- pr_info("FDC %d is an 82078.\n", current_fdc);
+ pr_info("FDC %d is an 82078.\n", fdc);
return FDC_82078;
case 0x1:
- pr_info("FDC %d is a 44pin 82078\n", current_fdc);
+ pr_info("FDC %d is a 44pin 82078\n", fdc);
return FDC_82078;
case 0x2:
- pr_info("FDC %d is a S82078B\n", current_fdc);
+ pr_info("FDC %d is a S82078B\n", fdc);
return FDC_S82078B;
case 0x3:
- pr_info("FDC %d is a National Semiconductor PC87306\n", current_fdc);
+ pr_info("FDC %d is a National Semiconductor PC87306\n", fdc);
return FDC_87306;
default:
pr_info("FDC %d init: 82078 variant with unknown PARTID=%d.\n",
- current_fdc, reply_buffer[0] >> 5);
+ fdc, reply_buffer[0] >> 5);
return FDC_82078_UNKN;
}
} /* get_fdc_version */
@@ -4534,11 +4545,13 @@ static void floppy_device_release(struct device *dev)
static int floppy_resume(struct device *dev)
{
int fdc;
+ int saved_drive;
+ saved_drive = current_drive;
for (fdc = 0; fdc < N_FDC; fdc++)
if (fdc_state[fdc].address != -1)
- user_reset_fdc(-1, FD_RESET_ALWAYS, false);
-
+ user_reset_fdc(REVDRIVE(fdc, 0), FD_RESET_ALWAYS, false);
+ set_fdc(saved_drive);
return 0;
}
@@ -4646,16 +4659,15 @@ static int __init do_floppy_init(void)
config_types();
for (i = 0; i < N_FDC; i++) {
- current_fdc = i;
- memset(&fdc_state[current_fdc], 0, sizeof(*fdc_state));
- fdc_state[current_fdc].dtr = -1;
- fdc_state[current_fdc].dor = 0x4;
+ memset(&fdc_state[i], 0, sizeof(*fdc_state));
+ fdc_state[i].dtr = -1;
+ fdc_state[i].dor = 0x4;
#if defined(__sparc__) || defined(__mc68000__)
/*sparcs/sun3x don't have a DOR reset which we can fall back on to */
#ifdef __mc68000__
if (MACH_IS_SUN3X)
#endif
- fdc_state[current_fdc].version = FDC_82072A;
+ fdc_state[i].version = FDC_82072A;
#endif
}
@@ -4697,30 +4709,29 @@ static int __init do_floppy_init(void)
msleep(10);
for (i = 0; i < N_FDC; i++) {
- current_fdc = i;
- fdc_state[current_fdc].driver_version = FD_DRIVER_VERSION;
+ fdc_state[i].driver_version = FD_DRIVER_VERSION;
for (unit = 0; unit < 4; unit++)
- fdc_state[current_fdc].track[unit] = 0;
- if (fdc_state[current_fdc].address == -1)
+ fdc_state[i].track[unit] = 0;
+ if (fdc_state[i].address == -1)
continue;
- fdc_state[current_fdc].rawcmd = 2;
- if (user_reset_fdc(-1, FD_RESET_ALWAYS, false)) {
+ fdc_state[i].rawcmd = 2;
+ if (user_reset_fdc(REVDRIVE(i, 0), FD_RESET_ALWAYS, false)) {
/* free ioports reserved by floppy_grab_irq_and_dma() */
- floppy_release_regions(current_fdc);
- fdc_state[current_fdc].address = -1;
- fdc_state[current_fdc].version = FDC_NONE;
+ floppy_release_regions(i);
+ fdc_state[i].address = -1;
+ fdc_state[i].version = FDC_NONE;
continue;
}
/* Try to determine the floppy controller type */
- fdc_state[current_fdc].version = get_fdc_version();
- if (fdc_state[current_fdc].version == FDC_NONE) {
+ fdc_state[i].version = get_fdc_version(i);
+ if (fdc_state[i].version == FDC_NONE) {
/* free ioports reserved by floppy_grab_irq_and_dma() */
- floppy_release_regions(current_fdc);
- fdc_state[current_fdc].address = -1;
+ floppy_release_regions(i);
+ fdc_state[i].address = -1;
continue;
}
if (can_use_virtual_dma == 2 &&
- fdc_state[current_fdc].version < FDC_82072A)
+ fdc_state[i].version < FDC_82072A)
can_use_virtual_dma = 0;
have_no_fdc = 0;
@@ -4728,7 +4739,7 @@ static int __init do_floppy_init(void)
* properly, so force a reset for the standard FDC clones,
* to avoid interrupt garbage.
*/
- user_reset_fdc(-1, FD_RESET_ALWAYS, false);
+ user_reset_fdc(REVDRIVE(i, 0), FD_RESET_ALWAYS, false);
}
current_fdc = 0;
cancel_delayed_work(&fd_timeout);
@@ -4855,6 +4866,8 @@ static void floppy_release_regions(int fdc)
static int floppy_grab_irq_and_dma(void)
{
+ int fdc;
+
if (atomic_inc_return(&usage_count) > 1)
return 0;
@@ -4882,24 +4895,24 @@ static int floppy_grab_irq_and_dma(void)
}
}
- for (current_fdc = 0; current_fdc < N_FDC; current_fdc++) {
- if (fdc_state[current_fdc].address != -1) {
- if (floppy_request_regions(current_fdc))
+ for (fdc = 0; fdc < N_FDC; fdc++) {
+ if (fdc_state[fdc].address != -1) {
+ if (floppy_request_regions(fdc))
goto cleanup;
}
}
- for (current_fdc = 0; current_fdc < N_FDC; current_fdc++) {
- if (fdc_state[current_fdc].address != -1) {
- reset_fdc_info(1);
- fdc_outb(fdc_state[current_fdc].dor, current_fdc, FD_DOR);
+ for (fdc = 0; fdc < N_FDC; fdc++) {
+ if (fdc_state[fdc].address != -1) {
+ reset_fdc_info(fdc, 1);
+ fdc_outb(fdc_state[fdc].dor, fdc, FD_DOR);
}
}
- current_fdc = 0;
+
set_dor(0, ~0, 8); /* avoid immediate interrupt */
- for (current_fdc = 0; current_fdc < N_FDC; current_fdc++)
- if (fdc_state[current_fdc].address != -1)
- fdc_outb(fdc_state[current_fdc].dor, current_fdc, FD_DOR);
+ for (fdc = 0; fdc < N_FDC; fdc++)
+ if (fdc_state[fdc].address != -1)
+ fdc_outb(fdc_state[fdc].dor, fdc, FD_DOR);
/*
* The driver will try and free resources and relies on us
* to know if they were allocated or not.
@@ -4910,15 +4923,16 @@ static int floppy_grab_irq_and_dma(void)
cleanup:
fd_free_irq();
fd_free_dma();
- while (--current_fdc >= 0)
- floppy_release_regions(current_fdc);
+ while (--fdc >= 0)
+ floppy_release_regions(fdc);
+ current_fdc = 0;
atomic_dec(&usage_count);
return -1;
}
static void floppy_release_irq_and_dma(void)
{
- int old_fdc;
+ int fdc;
#ifndef __sparc__
int drive;
#endif
@@ -4959,11 +4973,9 @@ static void floppy_release_irq_and_dma(void)
pr_info("auxiliary floppy timer still active\n");
if (work_pending(&floppy_work))
pr_info("work still pending\n");
- old_fdc = current_fdc;
- for (current_fdc = 0; current_fdc < N_FDC; current_fdc++)
- if (fdc_state[current_fdc].address != -1)
- floppy_release_regions(current_fdc);
- current_fdc = old_fdc;
+ for (fdc = 0; fdc < N_FDC; fdc++)
+ if (fdc_state[fdc].address != -1)
+ floppy_release_regions(fdc);
}
#ifdef MODULE
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index da693e6a834e..2e96d8b8758b 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -228,26 +228,36 @@ static void __loop_update_dio(struct loop_device *lo, bool dio)
blk_mq_unfreeze_queue(lo->lo_queue);
}
+/**
+ * loop_validate_block_size() - validates the passed in block size
+ * @bsize: size to validate
+ */
static int
-figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
+loop_validate_block_size(unsigned short bsize)
{
- loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
- sector_t x = (sector_t)size;
- struct block_device *bdev = lo->lo_device;
+ if (bsize < 512 || bsize > PAGE_SIZE || !is_power_of_2(bsize))
+ return -EINVAL;
- if (unlikely((loff_t)x != size))
- return -EFBIG;
- if (lo->lo_offset != offset)
- lo->lo_offset = offset;
- if (lo->lo_sizelimit != sizelimit)
- lo->lo_sizelimit = sizelimit;
- set_capacity(lo->lo_disk, x);
- bd_set_size(bdev, (loff_t)get_capacity(bdev->bd_disk) << 9);
- /* let user-space know about the new size */
- kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
return 0;
}
+/**
+ * loop_set_size() - sets device size and notifies userspace
+ * @lo: struct loop_device to set the size for
+ * @size: new size of the loop device
+ *
+ * Callers must validate that the size passed into this function fits into
+ * a sector_t, eg using loop_validate_size()
+ */
+static void loop_set_size(struct loop_device *lo, loff_t size)
+{
+ struct block_device *bdev = lo->lo_device;
+
+ bd_set_size(bdev, size << SECTOR_SHIFT);
+
+ set_capacity_revalidate_and_notify(lo->lo_disk, size, false);
+}
+
static inline int
lo_do_transfer(struct loop_device *lo, int cmd,
struct page *rpage, unsigned roffs,
@@ -634,8 +644,8 @@ static int do_req_filebacked(struct loop_device *lo, struct request *rq)
static inline void loop_update_dio(struct loop_device *lo)
{
- __loop_update_dio(lo, io_is_direct(lo->lo_backing_file) |
- lo->use_dio);
+ __loop_update_dio(lo, (lo->lo_backing_file->f_flags & O_DIRECT) |
+ lo->use_dio);
}
static void loop_reread_partitions(struct loop_device *lo,
@@ -919,7 +929,7 @@ static void loop_unprepare_queue(struct loop_device *lo)
static int loop_kthread_worker_fn(void *worker_ptr)
{
- current->flags |= PF_LESS_THROTTLE | PF_MEMALLOC_NOIO;
+ current->flags |= PF_LOCAL_THROTTLE | PF_MEMALLOC_NOIO;
return kthread_worker_fn(worker_ptr);
}
@@ -952,23 +962,125 @@ static void loop_update_rotational(struct loop_device *lo)
blk_queue_flag_clear(QUEUE_FLAG_NONROT, q);
}
-static int loop_set_fd(struct loop_device *lo, fmode_t mode,
- struct block_device *bdev, unsigned int arg)
+static int
+loop_release_xfer(struct loop_device *lo)
+{
+ int err = 0;
+ struct loop_func_table *xfer = lo->lo_encryption;
+
+ if (xfer) {
+ if (xfer->release)
+ err = xfer->release(lo);
+ lo->transfer = NULL;
+ lo->lo_encryption = NULL;
+ module_put(xfer->owner);
+ }
+ return err;
+}
+
+static int
+loop_init_xfer(struct loop_device *lo, struct loop_func_table *xfer,
+ const struct loop_info64 *i)
+{
+ int err = 0;
+
+ if (xfer) {
+ struct module *owner = xfer->owner;
+
+ if (!try_module_get(owner))
+ return -EINVAL;
+ if (xfer->init)
+ err = xfer->init(lo, i);
+ if (err)
+ module_put(owner);
+ else
+ lo->lo_encryption = xfer;
+ }
+ return err;
+}
+
+/**
+ * loop_set_status_from_info - configure device from loop_info
+ * @lo: struct loop_device to configure
+ * @info: struct loop_info64 to configure the device with
+ *
+ * Configures the loop device parameters according to the passed
+ * in loop_info64 configuration.
+ */
+static int
+loop_set_status_from_info(struct loop_device *lo,
+ const struct loop_info64 *info)
+{
+ int err;
+ struct loop_func_table *xfer;
+ kuid_t uid = current_uid();
+
+ if ((unsigned int) info->lo_encrypt_key_size > LO_KEY_SIZE)
+ return -EINVAL;
+
+ err = loop_release_xfer(lo);
+ if (err)
+ return err;
+
+ if (info->lo_encrypt_type) {
+ unsigned int type = info->lo_encrypt_type;
+
+ if (type >= MAX_LO_CRYPT)
+ return -EINVAL;
+ xfer = xfer_funcs[type];
+ if (xfer == NULL)
+ return -EINVAL;
+ } else
+ xfer = NULL;
+
+ err = loop_init_xfer(lo, xfer, info);
+ if (err)
+ return err;
+
+ lo->lo_offset = info->lo_offset;
+ lo->lo_sizelimit = info->lo_sizelimit;
+ memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE);
+ memcpy(lo->lo_crypt_name, info->lo_crypt_name, LO_NAME_SIZE);
+ lo->lo_file_name[LO_NAME_SIZE-1] = 0;
+ lo->lo_crypt_name[LO_NAME_SIZE-1] = 0;
+
+ if (!xfer)
+ xfer = &none_funcs;
+ lo->transfer = xfer->transfer;
+ lo->ioctl = xfer->ioctl;
+
+ lo->lo_flags = info->lo_flags;
+
+ lo->lo_encrypt_key_size = info->lo_encrypt_key_size;
+ lo->lo_init[0] = info->lo_init[0];
+ lo->lo_init[1] = info->lo_init[1];
+ if (info->lo_encrypt_key_size) {
+ memcpy(lo->lo_encrypt_key, info->lo_encrypt_key,
+ info->lo_encrypt_key_size);
+ lo->lo_key_owner = uid;
+ }
+
+ return 0;
+}
+
+static int loop_configure(struct loop_device *lo, fmode_t mode,
+ struct block_device *bdev,
+ const struct loop_config *config)
{
struct file *file;
struct inode *inode;
struct address_space *mapping;
struct block_device *claimed_bdev = NULL;
- int lo_flags = 0;
int error;
loff_t size;
bool partscan;
+ unsigned short bsize;
/* This is safe, since we have a reference from open(). */
__module_get(THIS_MODULE);
error = -EBADF;
- file = fget(arg);
+ file = fget(config->fd);
if (!file)
goto out;
@@ -977,7 +1089,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
* here to avoid changing device under exclusive owner.
*/
if (!(mode & FMODE_EXCL)) {
- claimed_bdev = bd_start_claiming(bdev, loop_set_fd);
+ claimed_bdev = bd_start_claiming(bdev, loop_configure);
if (IS_ERR(claimed_bdev)) {
error = PTR_ERR(claimed_bdev);
goto out_putf;
@@ -999,52 +1111,58 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
mapping = file->f_mapping;
inode = mapping->host;
+ size = get_loop_size(lo, file);
+
+ if ((config->info.lo_flags & ~LOOP_CONFIGURE_SETTABLE_FLAGS) != 0) {
+ error = -EINVAL;
+ goto out_unlock;
+ }
+
+ if (config->block_size) {
+ error = loop_validate_block_size(config->block_size);
+ if (error)
+ goto out_unlock;
+ }
+
+ error = loop_set_status_from_info(lo, &config->info);
+ if (error)
+ goto out_unlock;
+
if (!(file->f_mode & FMODE_WRITE) || !(mode & FMODE_WRITE) ||
!file->f_op->write_iter)
- lo_flags |= LO_FLAGS_READ_ONLY;
+ lo->lo_flags |= LO_FLAGS_READ_ONLY;
- error = -EFBIG;
- size = get_loop_size(lo, file);
- if ((loff_t)(sector_t)size != size)
- goto out_unlock;
error = loop_prepare_queue(lo);
if (error)
goto out_unlock;
- error = 0;
-
- set_device_ro(bdev, (lo_flags & LO_FLAGS_READ_ONLY) != 0);
+ set_device_ro(bdev, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0);
- lo->use_dio = false;
+ lo->use_dio = lo->lo_flags & LO_FLAGS_DIRECT_IO;
lo->lo_device = bdev;
- lo->lo_flags = lo_flags;
lo->lo_backing_file = file;
- lo->transfer = NULL;
- lo->ioctl = NULL;
- lo->lo_sizelimit = 0;
lo->old_gfp_mask = mapping_gfp_mask(mapping);
mapping_set_gfp_mask(mapping, lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS));
- if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
+ if (!(lo->lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
blk_queue_write_cache(lo->lo_queue, true, false);
- if (io_is_direct(lo->lo_backing_file) && inode->i_sb->s_bdev) {
+ if (config->block_size)
+ bsize = config->block_size;
+ else if ((lo->lo_backing_file->f_flags & O_DIRECT) && inode->i_sb->s_bdev)
/* In case of direct I/O, match underlying block size */
- unsigned short bsize = bdev_logical_block_size(
- inode->i_sb->s_bdev);
+ bsize = bdev_logical_block_size(inode->i_sb->s_bdev);
+ else
+ bsize = 512;
- blk_queue_logical_block_size(lo->lo_queue, bsize);
- blk_queue_physical_block_size(lo->lo_queue, bsize);
- blk_queue_io_min(lo->lo_queue, bsize);
- }
+ blk_queue_logical_block_size(lo->lo_queue, bsize);
+ blk_queue_physical_block_size(lo->lo_queue, bsize);
+ blk_queue_io_min(lo->lo_queue, bsize);
loop_update_rotational(lo);
loop_update_dio(lo);
- set_capacity(lo->lo_disk, size);
- bd_set_size(bdev, size << 9);
loop_sysfs_init(lo);
- /* let user-space know about the new size */
- kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE);
+ loop_set_size(lo, size);
set_blocksize(bdev, S_ISBLK(inode->i_mode) ?
block_size(inode->i_bdev) : PAGE_SIZE);
@@ -1062,14 +1180,14 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
if (partscan)
loop_reread_partitions(lo, bdev);
if (claimed_bdev)
- bd_abort_claiming(bdev, claimed_bdev, loop_set_fd);
+ bd_abort_claiming(bdev, claimed_bdev, loop_configure);
return 0;
out_unlock:
mutex_unlock(&loop_ctl_mutex);
out_bdev:
if (claimed_bdev)
- bd_abort_claiming(bdev, claimed_bdev, loop_set_fd);
+ bd_abort_claiming(bdev, claimed_bdev, loop_configure);
out_putf:
fput(file);
out:
@@ -1078,43 +1196,6 @@ out:
return error;
}
-static int
-loop_release_xfer(struct loop_device *lo)
-{
- int err = 0;
- struct loop_func_table *xfer = lo->lo_encryption;
-
- if (xfer) {
- if (xfer->release)
- err = xfer->release(lo);
- lo->transfer = NULL;
- lo->lo_encryption = NULL;
- module_put(xfer->owner);
- }
- return err;
-}
-
-static int
-loop_init_xfer(struct loop_device *lo, struct loop_func_table *xfer,
- const struct loop_info64 *i)
-{
- int err = 0;
-
- if (xfer) {
- struct module *owner = xfer->owner;
-
- if (!try_module_get(owner))
- return -EINVAL;
- if (xfer->init)
- err = xfer->init(lo, i);
- if (err)
- module_put(owner);
- else
- lo->lo_encryption = xfer;
- }
- return err;
-}
-
static int __loop_clr_fd(struct loop_device *lo, bool release)
{
struct file *filp = NULL;
@@ -1263,10 +1344,11 @@ static int
loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
{
int err;
- struct loop_func_table *xfer;
- kuid_t uid = current_uid();
struct block_device *bdev;
+ kuid_t uid = current_uid();
+ int prev_lo_flags;
bool partscan = false;
+ bool size_changed = false;
err = mutex_lock_killable(&loop_ctl_mutex);
if (err)
@@ -1281,13 +1363,10 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
err = -ENXIO;
goto out_unlock;
}
- if ((unsigned int) info->lo_encrypt_key_size > LO_KEY_SIZE) {
- err = -EINVAL;
- goto out_unlock;
- }
if (lo->lo_offset != info->lo_offset ||
lo->lo_sizelimit != info->lo_sizelimit) {
+ size_changed = true;
sync_blockdev(lo->lo_device);
kill_bdev(lo->lo_device);
}
@@ -1295,79 +1374,44 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
/* I/O need to be drained during transfer transition */
blk_mq_freeze_queue(lo->lo_queue);
- err = loop_release_xfer(lo);
- if (err)
+ if (size_changed && lo->lo_device->bd_inode->i_mapping->nrpages) {
+ /* If any pages were dirtied after kill_bdev(), try again */
+ err = -EAGAIN;
+ pr_warn("%s: loop%d (%s) has still dirty pages (nrpages=%lu)\n",
+ __func__, lo->lo_number, lo->lo_file_name,
+ lo->lo_device->bd_inode->i_mapping->nrpages);
goto out_unfreeze;
+ }
- if (info->lo_encrypt_type) {
- unsigned int type = info->lo_encrypt_type;
-
- if (type >= MAX_LO_CRYPT) {
- err = -EINVAL;
- goto out_unfreeze;
- }
- xfer = xfer_funcs[type];
- if (xfer == NULL) {
- err = -EINVAL;
- goto out_unfreeze;
- }
- } else
- xfer = NULL;
+ prev_lo_flags = lo->lo_flags;
- err = loop_init_xfer(lo, xfer, info);
+ err = loop_set_status_from_info(lo, info);
if (err)
goto out_unfreeze;
- if (lo->lo_offset != info->lo_offset ||
- lo->lo_sizelimit != info->lo_sizelimit) {
- /* kill_bdev should have truncated all the pages */
- if (lo->lo_device->bd_inode->i_mapping->nrpages) {
- err = -EAGAIN;
- pr_warn("%s: loop%d (%s) has still dirty pages (nrpages=%lu)\n",
- __func__, lo->lo_number, lo->lo_file_name,
- lo->lo_device->bd_inode->i_mapping->nrpages);
- goto out_unfreeze;
- }
- if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit)) {
- err = -EFBIG;
- goto out_unfreeze;
- }
+ /* Mask out flags that can't be set using LOOP_SET_STATUS. */
+ lo->lo_flags &= ~LOOP_SET_STATUS_SETTABLE_FLAGS;
+ /* For those flags, use the previous values instead */
+ lo->lo_flags |= prev_lo_flags & ~LOOP_SET_STATUS_SETTABLE_FLAGS;
+ /* For flags that can't be cleared, use previous values too */
+ lo->lo_flags |= prev_lo_flags & ~LOOP_SET_STATUS_CLEARABLE_FLAGS;
+
+ if (size_changed) {
+ loff_t new_size = get_size(lo->lo_offset, lo->lo_sizelimit,
+ lo->lo_backing_file);
+ loop_set_size(lo, new_size);
}
loop_config_discard(lo);
- memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE);
- memcpy(lo->lo_crypt_name, info->lo_crypt_name, LO_NAME_SIZE);
- lo->lo_file_name[LO_NAME_SIZE-1] = 0;
- lo->lo_crypt_name[LO_NAME_SIZE-1] = 0;
-
- if (!xfer)
- xfer = &none_funcs;
- lo->transfer = xfer->transfer;
- lo->ioctl = xfer->ioctl;
-
- if ((lo->lo_flags & LO_FLAGS_AUTOCLEAR) !=
- (info->lo_flags & LO_FLAGS_AUTOCLEAR))
- lo->lo_flags ^= LO_FLAGS_AUTOCLEAR;
-
- lo->lo_encrypt_key_size = info->lo_encrypt_key_size;
- lo->lo_init[0] = info->lo_init[0];
- lo->lo_init[1] = info->lo_init[1];
- if (info->lo_encrypt_key_size) {
- memcpy(lo->lo_encrypt_key, info->lo_encrypt_key,
- info->lo_encrypt_key_size);
- lo->lo_key_owner = uid;
- }
-
/* update dio if lo_offset or transfer is changed */
__loop_update_dio(lo, lo->use_dio);
out_unfreeze:
blk_mq_unfreeze_queue(lo->lo_queue);
- if (!err && (info->lo_flags & LO_FLAGS_PARTSCAN) &&
- !(lo->lo_flags & LO_FLAGS_PARTSCAN)) {
- lo->lo_flags |= LO_FLAGS_PARTSCAN;
+ if (!err && (lo->lo_flags & LO_FLAGS_PARTSCAN) &&
+ !(prev_lo_flags & LO_FLAGS_PARTSCAN)) {
lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN;
bdev = lo->lo_device;
partscan = true;
@@ -1531,10 +1575,15 @@ loop_get_status64(struct loop_device *lo, struct loop_info64 __user *arg) {
static int loop_set_capacity(struct loop_device *lo)
{
+ loff_t size;
+
if (unlikely(lo->lo_state != Lo_bound))
return -ENXIO;
- return figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
+ size = get_loop_size(lo, lo->lo_backing_file);
+ loop_set_size(lo, size);
+
+ return 0;
}
static int loop_set_dio(struct loop_device *lo, unsigned long arg)
@@ -1558,8 +1607,9 @@ static int loop_set_block_size(struct loop_device *lo, unsigned long arg)
if (lo->lo_state != Lo_bound)
return -ENXIO;
- if (arg < 512 || arg > PAGE_SIZE || !is_power_of_2(arg))
- return -EINVAL;
+ err = loop_validate_block_size(arg);
+ if (err)
+ return err;
if (lo->lo_queue->limits.logical_block_size == arg)
return 0;
@@ -1617,11 +1667,31 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
struct loop_device *lo = bdev->bd_disk->private_data;
+ void __user *argp = (void __user *) arg;
int err;
switch (cmd) {
- case LOOP_SET_FD:
- return loop_set_fd(lo, mode, bdev, arg);
+ case LOOP_SET_FD: {
+ /*
+ * Legacy case - pass in a zeroed out struct loop_config with
+ * only the file descriptor set , which corresponds with the
+ * default parameters we'd have used otherwise.
+ */
+ struct loop_config config;
+
+ memset(&config, 0, sizeof(config));
+ config.fd = arg;
+
+ return loop_configure(lo, mode, bdev, &config);
+ }
+ case LOOP_CONFIGURE: {
+ struct loop_config config;
+
+ if (copy_from_user(&config, argp, sizeof(config)))
+ return -EFAULT;
+
+ return loop_configure(lo, mode, bdev, &config);
+ }
case LOOP_CHANGE_FD:
return loop_change_fd(lo, bdev, arg);
case LOOP_CLR_FD:
@@ -1629,21 +1699,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
case LOOP_SET_STATUS:
err = -EPERM;
if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) {
- err = loop_set_status_old(lo,
- (struct loop_info __user *)arg);
+ err = loop_set_status_old(lo, argp);
}
break;
case LOOP_GET_STATUS:
- return loop_get_status_old(lo, (struct loop_info __user *) arg);
+ return loop_get_status_old(lo, argp);
case LOOP_SET_STATUS64:
err = -EPERM;
if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN)) {
- err = loop_set_status64(lo,
- (struct loop_info64 __user *) arg);
+ err = loop_set_status64(lo, argp);
}
break;
case LOOP_GET_STATUS64:
- return loop_get_status64(lo, (struct loop_info64 __user *) arg);
+ return loop_get_status64(lo, argp);
case LOOP_SET_CAPACITY:
case LOOP_SET_DIRECT_IO:
case LOOP_SET_BLOCK_SIZE:
@@ -1795,6 +1863,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
case LOOP_CLR_FD:
case LOOP_GET_STATUS64:
case LOOP_SET_STATUS64:
+ case LOOP_CONFIGURE:
arg = (unsigned long) compat_ptr(arg);
/* fall through */
case LOOP_SET_FD:
@@ -2037,7 +2106,7 @@ static int loop_add(struct loop_device **l, int i)
lo->tag_set.queue_depth = 128;
lo->tag_set.numa_node = NUMA_NO_NODE;
lo->tag_set.cmd_size = sizeof(struct loop_cmd);
- lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
+ lo->tag_set.flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING;
lo->tag_set.driver_data = lo;
err = blk_mq_alloc_tag_set(&lo->tag_set);
diff --git a/drivers/block/null_blk.h b/drivers/block/null_blk.h
index 62b660821dbc..81b311c9d781 100644
--- a/drivers/block/null_blk.h
+++ b/drivers/block/null_blk.h
@@ -85,26 +85,35 @@ struct nullb {
char disk_name[DISK_NAME_LEN];
};
+blk_status_t null_process_cmd(struct nullb_cmd *cmd,
+ enum req_opf op, sector_t sector,
+ unsigned int nr_sectors);
+
#ifdef CONFIG_BLK_DEV_ZONED
-int null_zone_init(struct nullb_device *dev);
-void null_zone_exit(struct nullb_device *dev);
+int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q);
+int null_register_zoned_dev(struct nullb *nullb);
+void null_free_zoned_dev(struct nullb_device *dev);
int null_report_zones(struct gendisk *disk, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
-blk_status_t null_handle_zoned(struct nullb_cmd *cmd,
- enum req_opf op, sector_t sector,
- sector_t nr_sectors);
+blk_status_t null_process_zoned_cmd(struct nullb_cmd *cmd,
+ enum req_opf op, sector_t sector,
+ sector_t nr_sectors);
size_t null_zone_valid_read_len(struct nullb *nullb,
sector_t sector, unsigned int len);
#else
-static inline int null_zone_init(struct nullb_device *dev)
+static inline int null_init_zoned_dev(struct nullb_device *dev,
+ struct request_queue *q)
{
pr_err("CONFIG_BLK_DEV_ZONED not enabled\n");
return -EINVAL;
}
-static inline void null_zone_exit(struct nullb_device *dev) {}
-static inline blk_status_t null_handle_zoned(struct nullb_cmd *cmd,
- enum req_opf op, sector_t sector,
- sector_t nr_sectors)
+static inline int null_register_zoned_dev(struct nullb *nullb)
+{
+ return -ENODEV;
+}
+static inline void null_free_zoned_dev(struct nullb_device *dev) {}
+static inline blk_status_t null_process_zoned_cmd(struct nullb_cmd *cmd,
+ enum req_opf op, sector_t sector, sector_t nr_sectors)
{
return BLK_STS_NOTSUPP;
}
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index 4e1c0712278e..87b31f9ca362 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -580,7 +580,7 @@ static void null_free_dev(struct nullb_device *dev)
if (!dev)
return;
- null_zone_exit(dev);
+ null_free_zoned_dev(dev);
badblocks_exit(&dev->badblocks);
kfree(dev);
}
@@ -1250,8 +1250,34 @@ static inline blk_status_t null_handle_memory_backed(struct nullb_cmd *cmd,
return errno_to_blk_status(err);
}
+static void nullb_zero_read_cmd_buffer(struct nullb_cmd *cmd)
+{
+ struct nullb_device *dev = cmd->nq->dev;
+ struct bio *bio;
+
+ if (dev->memory_backed)
+ return;
+
+ if (dev->queue_mode == NULL_Q_BIO && bio_op(cmd->bio) == REQ_OP_READ) {
+ zero_fill_bio(cmd->bio);
+ } else if (req_op(cmd->rq) == REQ_OP_READ) {
+ __rq_for_each_bio(bio, cmd->rq)
+ zero_fill_bio(bio);
+ }
+}
+
static inline void nullb_complete_cmd(struct nullb_cmd *cmd)
{
+ /*
+ * Since root privileges are required to configure the null_blk
+ * driver, it is fine that this driver does not initialize the
+ * data buffers of read commands. Zero-initialize these buffers
+ * anyway if KMSAN is enabled to prevent that KMSAN complains
+ * about null_blk not initializing read data buffers.
+ */
+ if (IS_ENABLED(CONFIG_KMSAN))
+ nullb_zero_read_cmd_buffer(cmd);
+
/* Complete IO by inline, softirq or timer */
switch (cmd->nq->dev->irqmode) {
case NULL_IRQ_SOFTIRQ:
@@ -1276,6 +1302,25 @@ static inline void nullb_complete_cmd(struct nullb_cmd *cmd)
}
}
+blk_status_t null_process_cmd(struct nullb_cmd *cmd,
+ enum req_opf op, sector_t sector,
+ unsigned int nr_sectors)
+{
+ struct nullb_device *dev = cmd->nq->dev;
+ blk_status_t ret;
+
+ if (dev->badblocks.shift != -1) {
+ ret = null_handle_badblocks(cmd, sector, nr_sectors);
+ if (ret != BLK_STS_OK)
+ return ret;
+ }
+
+ if (dev->memory_backed)
+ return null_handle_memory_backed(cmd, op);
+
+ return BLK_STS_OK;
+}
+
static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
sector_t nr_sectors, enum req_opf op)
{
@@ -1294,17 +1339,11 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
goto out;
}
- if (nullb->dev->badblocks.shift != -1) {
- cmd->error = null_handle_badblocks(cmd, sector, nr_sectors);
- if (cmd->error != BLK_STS_OK)
- goto out;
- }
-
- if (dev->memory_backed)
- cmd->error = null_handle_memory_backed(cmd, op);
-
- if (!cmd->error && dev->zoned)
- cmd->error = null_handle_zoned(cmd, op, sector, nr_sectors);
+ if (dev->zoned)
+ cmd->error = null_process_zoned_cmd(cmd, op,
+ sector, nr_sectors);
+ else
+ cmd->error = null_process_cmd(cmd, op, sector, nr_sectors);
out:
nullb_complete_cmd(cmd);
@@ -1384,7 +1423,7 @@ static bool should_requeue_request(struct request *rq)
static enum blk_eh_timer_return null_timeout_rq(struct request *rq, bool res)
{
pr_info("rq %p timed out\n", rq);
- blk_mq_complete_request(rq);
+ blk_mq_force_complete_rq(rq);
return BLK_EH_DONE;
}
@@ -1522,6 +1561,13 @@ static void null_config_discard(struct nullb *nullb)
{
if (nullb->dev->discard == false)
return;
+
+ if (nullb->dev->zoned) {
+ nullb->dev->discard = false;
+ pr_info("discard option is ignored in zoned mode\n");
+ return;
+ }
+
nullb->q->limits.discard_granularity = nullb->dev->blocksize;
nullb->q->limits.discard_alignment = nullb->dev->blocksize;
blk_queue_max_discard_sectors(nullb->q, UINT_MAX >> 9);
@@ -1605,19 +1651,12 @@ static int null_gendisk_register(struct nullb *nullb)
disk->queue = nullb->q;
strncpy(disk->disk_name, nullb->disk_name, DISK_NAME_LEN);
-#ifdef CONFIG_BLK_DEV_ZONED
if (nullb->dev->zoned) {
- if (queue_is_mq(nullb->q)) {
- int ret = blk_revalidate_disk_zones(disk);
- if (ret)
- return ret;
- } else {
- blk_queue_chunk_sectors(nullb->q,
- nullb->dev->zone_size_sects);
- nullb->q->nr_zones = blkdev_nr_zones(disk);
- }
+ int ret = null_register_zoned_dev(nullb);
+
+ if (ret)
+ return ret;
}
-#endif
add_disk(disk);
return 0;
@@ -1773,14 +1812,9 @@ static int null_add_dev(struct nullb_device *dev)
}
if (dev->zoned) {
- rv = null_zone_init(dev);
+ rv = null_init_zoned_dev(dev, nullb->q);
if (rv)
goto out_cleanup_blk_queue;
-
- nullb->q->limits.zoned = BLK_ZONED_HM;
- blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, nullb->q);
- blk_queue_required_elevator_features(nullb->q,
- ELEVATOR_F_ZBD_SEQ_WRITE);
}
nullb->q->queuedata = nullb;
@@ -1809,8 +1843,7 @@ static int null_add_dev(struct nullb_device *dev)
return 0;
out_cleanup_zone:
- if (dev->zoned)
- null_zone_exit(dev);
+ null_free_zoned_dev(dev);
out_cleanup_blk_queue:
blk_cleanup_queue(nullb->q);
out_cleanup_tags:
diff --git a/drivers/block/null_blk_zoned.c b/drivers/block/null_blk_zoned.c
index 673618d8222a..cc47606d8ffe 100644
--- a/drivers/block/null_blk_zoned.c
+++ b/drivers/block/null_blk_zoned.c
@@ -13,7 +13,7 @@ static inline unsigned int null_zone_no(struct nullb_device *dev, sector_t sect)
return sect >> ilog2(dev->zone_size_sects);
}
-int null_zone_init(struct nullb_device *dev)
+int null_init_zoned_dev(struct nullb_device *dev, struct request_queue *q)
{
sector_t dev_size = (sector_t)dev->size * 1024 * 1024;
sector_t sector = 0;
@@ -23,6 +23,10 @@ int null_zone_init(struct nullb_device *dev)
pr_err("zone_size must be power-of-two\n");
return -EINVAL;
}
+ if (dev->zone_size > dev->size) {
+ pr_err("Zone size larger than device capacity\n");
+ return -EINVAL;
+ }
dev->zone_size_sects = dev->zone_size << ZONE_SIZE_SHIFT;
dev->nr_zones = dev_size >>
@@ -61,10 +65,34 @@ int null_zone_init(struct nullb_device *dev)
sector += dev->zone_size_sects;
}
+ q->limits.zoned = BLK_ZONED_HM;
+ blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
+ blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
+
+ return 0;
+}
+
+int null_register_zoned_dev(struct nullb *nullb)
+{
+ struct nullb_device *dev = nullb->dev;
+ struct request_queue *q = nullb->q;
+
+ if (queue_is_mq(q)) {
+ int ret = blk_revalidate_disk_zones(nullb->disk, NULL);
+
+ if (ret)
+ return ret;
+ } else {
+ blk_queue_chunk_sectors(q, dev->zone_size_sects);
+ q->nr_zones = blkdev_nr_zones(nullb->disk);
+ }
+
+ blk_queue_max_zone_append_sectors(q, dev->zone_size_sects);
+
return 0;
}
-void null_zone_exit(struct nullb_device *dev)
+void null_free_zoned_dev(struct nullb_device *dev)
{
kvfree(dev->zones);
}
@@ -121,41 +149,57 @@ size_t null_zone_valid_read_len(struct nullb *nullb,
}
static blk_status_t null_zone_write(struct nullb_cmd *cmd, sector_t sector,
- unsigned int nr_sectors)
+ unsigned int nr_sectors, bool append)
{
struct nullb_device *dev = cmd->nq->dev;
unsigned int zno = null_zone_no(dev, sector);
struct blk_zone *zone = &dev->zones[zno];
+ blk_status_t ret;
+
+ trace_nullb_zone_op(cmd, zno, zone->cond);
+
+ if (zone->type == BLK_ZONE_TYPE_CONVENTIONAL)
+ return null_process_cmd(cmd, REQ_OP_WRITE, sector, nr_sectors);
switch (zone->cond) {
case BLK_ZONE_COND_FULL:
/* Cannot write to a full zone */
- cmd->error = BLK_STS_IOERR;
return BLK_STS_IOERR;
case BLK_ZONE_COND_EMPTY:
case BLK_ZONE_COND_IMP_OPEN:
case BLK_ZONE_COND_EXP_OPEN:
case BLK_ZONE_COND_CLOSED:
- /* Writes must be at the write pointer position */
- if (sector != zone->wp)
+ /*
+ * Regular writes must be at the write pointer position.
+ * Zone append writes are automatically issued at the write
+ * pointer and the position returned using the request or BIO
+ * sector.
+ */
+ if (append) {
+ sector = zone->wp;
+ if (cmd->bio)
+ cmd->bio->bi_iter.bi_sector = sector;
+ else
+ cmd->rq->__sector = sector;
+ } else if (sector != zone->wp) {
return BLK_STS_IOERR;
+ }
if (zone->cond != BLK_ZONE_COND_EXP_OPEN)
zone->cond = BLK_ZONE_COND_IMP_OPEN;
+ ret = null_process_cmd(cmd, REQ_OP_WRITE, sector, nr_sectors);
+ if (ret != BLK_STS_OK)
+ return ret;
+
zone->wp += nr_sectors;
if (zone->wp == zone->start + zone->len)
zone->cond = BLK_ZONE_COND_FULL;
- break;
- case BLK_ZONE_COND_NOT_WP:
- break;
+ return BLK_STS_OK;
default:
/* Invalid zone condition */
return BLK_STS_IOERR;
}
-
- trace_nullb_zone_op(cmd, zno, zone->cond);
- return BLK_STS_OK;
}
static blk_status_t null_zone_mgmt(struct nullb_cmd *cmd, enum req_opf op,
@@ -216,12 +260,14 @@ static blk_status_t null_zone_mgmt(struct nullb_cmd *cmd, enum req_opf op,
return BLK_STS_OK;
}
-blk_status_t null_handle_zoned(struct nullb_cmd *cmd, enum req_opf op,
- sector_t sector, sector_t nr_sectors)
+blk_status_t null_process_zoned_cmd(struct nullb_cmd *cmd, enum req_opf op,
+ sector_t sector, sector_t nr_sectors)
{
switch (op) {
case REQ_OP_WRITE:
- return null_zone_write(cmd, sector, nr_sectors);
+ return null_zone_write(cmd, sector, nr_sectors, false);
+ case REQ_OP_ZONE_APPEND:
+ return null_zone_write(cmd, sector, nr_sectors, true);
case REQ_OP_ZONE_RESET:
case REQ_OP_ZONE_RESET_ALL:
case REQ_OP_ZONE_OPEN:
@@ -229,6 +275,6 @@ blk_status_t null_handle_zoned(struct nullb_cmd *cmd, enum req_opf op,
case REQ_OP_ZONE_FINISH:
return null_zone_mgmt(cmd, op, sector);
default:
- return BLK_STS_OK;
+ return null_process_cmd(cmd, op, sector, nr_sectors);
}
}
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index cda5cf917e9a..5124eca90e83 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -1032,7 +1032,7 @@ static int __init pcd_init(void)
for (unit = 0, cd = pcd; unit < PCD_UNITS; unit++, cd++) {
if (cd->present) {
- register_cdrom(&cd->info);
+ register_cdrom(cd->disk, &cd->info);
cd->disk->private_data = cd;
add_disk(cd->disk);
}
diff --git a/drivers/block/rsxx/dev.c b/drivers/block/rsxx/dev.c
index 8ffa8260dcaf..3ba07ab30c84 100644
--- a/drivers/block/rsxx/dev.c
+++ b/drivers/block/rsxx/dev.c
@@ -96,20 +96,6 @@ static const struct block_device_operations rsxx_fops = {
.ioctl = rsxx_blkdev_ioctl,
};
-static void disk_stats_start(struct rsxx_cardinfo *card, struct bio *bio)
-{
- generic_start_io_acct(card->queue, bio_op(bio), bio_sectors(bio),
- &card->gendisk->part0);
-}
-
-static void disk_stats_complete(struct rsxx_cardinfo *card,
- struct bio *bio,
- unsigned long start_time)
-{
- generic_end_io_acct(card->queue, bio_op(bio),
- &card->gendisk->part0, start_time);
-}
-
static void bio_dma_done_cb(struct rsxx_cardinfo *card,
void *cb_data,
unsigned int error)
@@ -121,7 +107,7 @@ static void bio_dma_done_cb(struct rsxx_cardinfo *card,
if (atomic_dec_and_test(&meta->pending_dmas)) {
if (!card->eeh_state && card->gendisk)
- disk_stats_complete(card, meta->bio, meta->start_time);
+ bio_end_io_acct(meta->bio, meta->start_time);
if (atomic_read(&meta->error))
bio_io_error(meta->bio);
@@ -167,10 +153,9 @@ static blk_qc_t rsxx_make_request(struct request_queue *q, struct bio *bio)
bio_meta->bio = bio;
atomic_set(&bio_meta->error, 0);
atomic_set(&bio_meta->pending_dmas, 0);
- bio_meta->start_time = jiffies;
if (!unlikely(card->halt))
- disk_stats_start(card, bio);
+ bio_meta->start_time = bio_start_io_acct(bio);
dev_dbg(CARD_TO_DEV(card), "BIO[%c]: meta: %p addr8: x%llx size: %d\n",
bio_data_dir(bio) ? 'W' : 'R', bio_meta,
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 4c297f69171d..dd34504382e5 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -327,7 +327,7 @@ static inline void swim_motor(struct swim __iomem *base,
swim_select(base, RELAX);
if (swim_readbit(base, MOTOR_ON))
break;
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(1);
}
} else if (action == OFF) {
@@ -346,7 +346,7 @@ static inline void swim_eject(struct swim __iomem *base)
swim_select(base, RELAX);
if (!swim_readbit(base, DISK_IN))
break;
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(1);
}
swim_select(base, RELAX);
@@ -370,7 +370,7 @@ static inline int swim_step(struct swim __iomem *base)
for (wait = 0; wait < HZ; wait++) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(1);
swim_select(base, RELAX);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index f9b1e70f1b31..9d21bf0f155e 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -15,6 +15,7 @@
#include <linux/blk-mq.h>
#include <linux/blk-mq-virtio.h>
#include <linux/numa.h>
+#include <uapi/linux/virtio_ring.h>
#define PART_BITS 4
#define VQ_NAME_LEN 16
@@ -32,6 +33,15 @@ struct virtio_blk_vq {
} ____cacheline_aligned_in_smp;
struct virtio_blk {
+ /*
+ * This mutex must be held by anything that may run after
+ * virtblk_remove() sets vblk->vdev to NULL.
+ *
+ * blk-mq, virtqueue processing, and sysfs attribute code paths are
+ * shut down before vblk->vdev is set to NULL and therefore do not need
+ * to hold this mutex.
+ */
+ struct mutex vdev_mutex;
struct virtio_device *vdev;
/* The disk structure for the kernel. */
@@ -43,6 +53,13 @@ struct virtio_blk {
/* Process context for config space updates */
struct work_struct config_work;
+ /*
+ * Tracks references from block_device_operations open/release and
+ * virtio_driver probe/remove so this object can be freed once no
+ * longer in use.
+ */
+ refcount_t refs;
+
/* What host tells us, plus 2 for header & tailer. */
unsigned int sg_elems;
@@ -294,10 +311,55 @@ out:
return err;
}
+static void virtblk_get(struct virtio_blk *vblk)
+{
+ refcount_inc(&vblk->refs);
+}
+
+static void virtblk_put(struct virtio_blk *vblk)
+{
+ if (refcount_dec_and_test(&vblk->refs)) {
+ ida_simple_remove(&vd_index_ida, vblk->index);
+ mutex_destroy(&vblk->vdev_mutex);
+ kfree(vblk);
+ }
+}
+
+static int virtblk_open(struct block_device *bd, fmode_t mode)
+{
+ struct virtio_blk *vblk = bd->bd_disk->private_data;
+ int ret = 0;
+
+ mutex_lock(&vblk->vdev_mutex);
+
+ if (vblk->vdev)
+ virtblk_get(vblk);
+ else
+ ret = -ENXIO;
+
+ mutex_unlock(&vblk->vdev_mutex);
+ return ret;
+}
+
+static void virtblk_release(struct gendisk *disk, fmode_t mode)
+{
+ struct virtio_blk *vblk = disk->private_data;
+
+ virtblk_put(vblk);
+}
+
/* We provide getgeo only to please some old bootloader/partitioning tools */
static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
{
struct virtio_blk *vblk = bd->bd_disk->private_data;
+ int ret = 0;
+
+ mutex_lock(&vblk->vdev_mutex);
+
+ if (!vblk->vdev) {
+ ret = -ENXIO;
+ goto out;
+ }
/* see if the host passed in geometry config */
if (virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_GEOMETRY)) {
@@ -313,11 +375,15 @@ static int virtblk_getgeo(struct block_device *bd, struct hd_geometry *geo)
geo->sectors = 1 << 5;
geo->cylinders = get_capacity(bd->bd_disk) >> 11;
}
- return 0;
+out:
+ mutex_unlock(&vblk->vdev_mutex);
+ return ret;
}
static const struct block_device_operations virtblk_fops = {
.owner = THIS_MODULE,
+ .open = virtblk_open,
+ .release = virtblk_release,
.getgeo = virtblk_getgeo,
};
@@ -654,6 +720,10 @@ static int virtblk_probe(struct virtio_device *vdev)
goto out_free_index;
}
+ /* This reference is dropped in virtblk_remove(). */
+ refcount_set(&vblk->refs, 1);
+ mutex_init(&vblk->vdev_mutex);
+
vblk->vdev = vdev;
vblk->sg_elems = sg_elems;
@@ -819,8 +889,6 @@ out:
static void virtblk_remove(struct virtio_device *vdev)
{
struct virtio_blk *vblk = vdev->priv;
- int index = vblk->index;
- int refc;
/* Make sure no work handler is accessing the device. */
flush_work(&vblk->config_work);
@@ -830,18 +898,21 @@ static void virtblk_remove(struct virtio_device *vdev)
blk_mq_free_tag_set(&vblk->tag_set);
+ mutex_lock(&vblk->vdev_mutex);
+
/* Stop all the virtqueues. */
vdev->config->reset(vdev);
- refc = kref_read(&disk_to_dev(vblk->disk)->kobj.kref);
+ /* Virtqueues are stopped, nothing can use vblk->vdev anymore. */
+ vblk->vdev = NULL;
+
put_disk(vblk->disk);
vdev->config->del_vqs(vdev);
kfree(vblk->vqs);
- kfree(vblk);
- /* Only free device id if we don't have any users */
- if (refc == 1)
- ida_simple_remove(&vd_index_ida, index);
+ mutex_unlock(&vblk->vdev_mutex);
+
+ virtblk_put(vblk);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 1a8564a79d8d..5ee8e3fae551 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -37,19 +37,16 @@ static void zcomp_strm_free(struct zcomp_strm *zstrm)
if (!IS_ERR_OR_NULL(zstrm->tfm))
crypto_free_comp(zstrm->tfm);
free_pages((unsigned long)zstrm->buffer, 1);
- kfree(zstrm);
+ zstrm->tfm = NULL;
+ zstrm->buffer = NULL;
}
/*
- * allocate new zcomp_strm structure with ->tfm initialized by
- * backend, return NULL on error
+ * Initialize zcomp_strm structure with ->tfm initialized by backend, and
+ * ->buffer. Return a negative value on error.
*/
-static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
+static int zcomp_strm_init(struct zcomp_strm *zstrm, struct zcomp *comp)
{
- struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_KERNEL);
- if (!zstrm)
- return NULL;
-
zstrm->tfm = crypto_alloc_comp(comp->name, 0, 0);
/*
* allocate 2 pages. 1 for compressed data, plus 1 extra for the
@@ -58,9 +55,9 @@ static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
zstrm->buffer = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 1);
if (IS_ERR_OR_NULL(zstrm->tfm) || !zstrm->buffer) {
zcomp_strm_free(zstrm);
- zstrm = NULL;
+ return -ENOMEM;
}
- return zstrm;
+ return 0;
}
bool zcomp_available_algorithm(const char *comp)
@@ -113,12 +110,13 @@ ssize_t zcomp_available_show(const char *comp, char *buf)
struct zcomp_strm *zcomp_stream_get(struct zcomp *comp)
{
- return *get_cpu_ptr(comp->stream);
+ local_lock(&comp->stream->lock);
+ return this_cpu_ptr(comp->stream);
}
void zcomp_stream_put(struct zcomp *comp)
{
- put_cpu_ptr(comp->stream);
+ local_unlock(&comp->stream->lock);
}
int zcomp_compress(struct zcomp_strm *zstrm,
@@ -159,17 +157,15 @@ int zcomp_cpu_up_prepare(unsigned int cpu, struct hlist_node *node)
{
struct zcomp *comp = hlist_entry(node, struct zcomp, node);
struct zcomp_strm *zstrm;
+ int ret;
- if (WARN_ON(*per_cpu_ptr(comp->stream, cpu)))
- return 0;
+ zstrm = per_cpu_ptr(comp->stream, cpu);
+ local_lock_init(&zstrm->lock);
- zstrm = zcomp_strm_alloc(comp);
- if (IS_ERR_OR_NULL(zstrm)) {
+ ret = zcomp_strm_init(zstrm, comp);
+ if (ret)
pr_err("Can't allocate a compression stream\n");
- return -ENOMEM;
- }
- *per_cpu_ptr(comp->stream, cpu) = zstrm;
- return 0;
+ return ret;
}
int zcomp_cpu_dead(unsigned int cpu, struct hlist_node *node)
@@ -177,10 +173,8 @@ int zcomp_cpu_dead(unsigned int cpu, struct hlist_node *node)
struct zcomp *comp = hlist_entry(node, struct zcomp, node);
struct zcomp_strm *zstrm;
- zstrm = *per_cpu_ptr(comp->stream, cpu);
- if (!IS_ERR_OR_NULL(zstrm))
- zcomp_strm_free(zstrm);
- *per_cpu_ptr(comp->stream, cpu) = NULL;
+ zstrm = per_cpu_ptr(comp->stream, cpu);
+ zcomp_strm_free(zstrm);
return 0;
}
@@ -188,7 +182,7 @@ static int zcomp_init(struct zcomp *comp)
{
int ret;
- comp->stream = alloc_percpu(struct zcomp_strm *);
+ comp->stream = alloc_percpu(struct zcomp_strm);
if (!comp->stream)
return -ENOMEM;
diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h
index 1806475b919d..40f6420f4b2e 100644
--- a/drivers/block/zram/zcomp.h
+++ b/drivers/block/zram/zcomp.h
@@ -5,8 +5,11 @@
#ifndef _ZCOMP_H_
#define _ZCOMP_H_
+#include <linux/local_lock.h>
struct zcomp_strm {
+ /* The members ->buffer and ->tfm are protected by ->lock. */
+ local_lock_t lock;
/* compression/decompression buffer */
void *buffer;
struct crypto_comp *tfm;
@@ -14,7 +17,7 @@ struct zcomp_strm {
/* dynamic per-device compression frontend */
struct zcomp {
- struct zcomp_strm * __percpu *stream;
+ struct zcomp_strm __percpu *stream;
const char *name;
struct hlist_node node;
};
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index ebb234f36909..6e2ad90b17a3 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1510,13 +1510,8 @@ static void zram_bio_discard(struct zram *zram, u32 index,
static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
int offset, unsigned int op, struct bio *bio)
{
- unsigned long start_time = jiffies;
- struct request_queue *q = zram->disk->queue;
int ret;
- generic_start_io_acct(q, op, bvec->bv_len >> SECTOR_SHIFT,
- &zram->disk->part0);
-
if (!op_is_write(op)) {
atomic64_inc(&zram->stats.num_reads);
ret = zram_bvec_read(zram, bvec, index, offset, bio);
@@ -1526,8 +1521,6 @@ static int zram_bvec_rw(struct zram *zram, struct bio_vec *bvec, u32 index,
ret = zram_bvec_write(zram, bvec, index, offset, bio);
}
- generic_end_io_acct(q, op, &zram->disk->part0, start_time);
-
zram_slot_lock(zram, index);
zram_accessed(zram, index);
zram_slot_unlock(zram, index);
@@ -1548,6 +1541,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
u32 index;
struct bio_vec bvec;
struct bvec_iter iter;
+ unsigned long start_time;
index = bio->bi_iter.bi_sector >> SECTORS_PER_PAGE_SHIFT;
offset = (bio->bi_iter.bi_sector &
@@ -1563,6 +1557,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
break;
}
+ start_time = bio_start_io_acct(bio);
bio_for_each_segment(bvec, bio, iter) {
struct bio_vec bv = bvec;
unsigned int unwritten = bvec.bv_len;
@@ -1571,8 +1566,10 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
bv.bv_len = min_t(unsigned int, PAGE_SIZE - offset,
unwritten);
if (zram_bvec_rw(zram, &bv, index, offset,
- bio_op(bio), bio) < 0)
- goto out;
+ bio_op(bio), bio) < 0) {
+ bio->bi_status = BLK_STS_IOERR;
+ break;
+ }
bv.bv_offset += bv.bv_len;
unwritten -= bv.bv_len;
@@ -1580,12 +1577,8 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)
update_position(&index, &offset, &bv);
} while (unwritten);
}
-
+ bio_end_io_acct(bio, start_time);
bio_endio(bio);
- return;
-
-out:
- bio_io_error(bio);
}
/*
@@ -1633,6 +1626,7 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector,
u32 index;
struct zram *zram;
struct bio_vec bv;
+ unsigned long start_time;
if (PageTransHuge(page))
return -ENOTSUPP;
@@ -1651,7 +1645,9 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector,
bv.bv_len = PAGE_SIZE;
bv.bv_offset = 0;
+ start_time = disk_start_io_acct(bdev->bd_disk, SECTORS_PER_PAGE, op);
ret = zram_bvec_rw(zram, &bv, index, offset, op, NULL);
+ disk_end_io_acct(bdev->bd_disk, op, start_time);
out:
/*
* If I/O fails, just return error(ie, non-zero) without
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c
index 1f498f358f60..1b9743b7f2ef 100644
--- a/drivers/bluetooth/btbcm.c
+++ b/drivers/bluetooth/btbcm.c
@@ -27,6 +27,11 @@
#define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}})
#define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}})
+#define BCM_FW_NAME_LEN 64
+#define BCM_FW_NAME_COUNT_MAX 2
+/* For kmalloc-ing the fw-name array instead of putting it on the stack */
+typedef char bcm_fw_name[BCM_FW_NAME_LEN];
+
int btbcm_check_bdaddr(struct hci_dev *hdev)
{
struct hci_rp_read_bd_addr *bda;
@@ -358,6 +363,13 @@ static int btbcm_read_info(struct hci_dev *hdev)
bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]);
kfree_skb(skb);
+ return 0;
+}
+
+static int btbcm_print_local_name(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
/* Read Local Name */
skb = btbcm_read_local_name(hdev);
if (IS_ERR(skb))
@@ -380,6 +392,7 @@ static const struct bcm_subver_table bcm_uart_subver_table[] = {
{ 0x410e, "BCM43341B0" }, /* 002.001.014 */
{ 0x4204, "BCM2076B1" }, /* 002.002.004 */
{ 0x4406, "BCM4324B3" }, /* 002.004.006 */
+ { 0x4606, "BCM4324B5" }, /* 002.006.006 */
{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
{ 0x610c, "BCM4354" }, /* 003.001.012 */
{ 0x2122, "BCM4343A0" }, /* 001.001.034 */
@@ -395,27 +408,32 @@ static const struct bcm_subver_table bcm_uart_subver_table[] = {
};
static const struct bcm_subver_table bcm_usb_subver_table[] = {
+ { 0x2105, "BCM20703A1" }, /* 001.001.005 */
{ 0x210b, "BCM43142A0" }, /* 001.001.011 */
{ 0x2112, "BCM4314A0" }, /* 001.001.018 */
{ 0x2118, "BCM20702A0" }, /* 001.001.024 */
{ 0x2126, "BCM4335A0" }, /* 001.001.038 */
{ 0x220e, "BCM20702A1" }, /* 001.002.014 */
- { 0x230f, "BCM4354A2" }, /* 001.003.015 */
+ { 0x230f, "BCM4356A2" }, /* 001.003.015 */
{ 0x4106, "BCM4335B0" }, /* 002.001.006 */
{ 0x410e, "BCM20702B0" }, /* 002.001.014 */
{ 0x6109, "BCM4335C0" }, /* 003.001.009 */
{ 0x610c, "BCM4354" }, /* 003.001.012 */
+ { 0x6607, "BCM4350C5" }, /* 003.006.007 */
{ }
};
-int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
- bool reinit)
+int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done)
{
u16 subver, rev, pid, vid;
- const char *hw_name = "BCM";
struct sk_buff *skb;
struct hci_rp_read_local_version *ver;
const struct bcm_subver_table *bcm_subver_table;
+ const char *hw_name = NULL;
+ char postfix[16] = "";
+ int fw_name_count = 0;
+ bcm_fw_name *fw_name;
+ const struct firmware *fw;
int i, err;
/* Reset */
@@ -434,15 +452,14 @@ int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
kfree_skb(skb);
/* Read controller information */
- if (!reinit) {
+ if (!(*fw_load_done)) {
err = btbcm_read_info(hdev);
if (err)
return err;
}
-
- /* Upper nibble of rev should be between 0 and 3? */
- if (((rev & 0xf000) >> 12) > 3)
- return 0;
+ err = btbcm_print_local_name(hdev);
+ if (err)
+ return err;
bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table :
bcm_uart_subver_table;
@@ -454,6 +471,13 @@ int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
}
}
+ bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
+ hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13,
+ (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
+
+ if (*fw_load_done)
+ return 0;
+
if (hdev->bus == HCI_USB) {
/* Read USB Product Info */
skb = btbcm_read_usb_product(hdev);
@@ -464,85 +488,81 @@ int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
pid = get_unaligned_le16(skb->data + 3);
kfree_skb(skb);
- snprintf(fw_name, len, "brcm/%s-%4.4x-%4.4x.hcd",
- hw_name, vid, pid);
- } else {
- snprintf(fw_name, len, "brcm/%s.hcd", hw_name);
+ snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid);
}
- bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u",
- hw_name, (subver & 0xe000) >> 13,
- (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff);
+ fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL);
+ if (!fw_name)
+ return -ENOMEM;
+
+ if (hw_name) {
+ snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
+ "brcm/%s%s.hcd", hw_name, postfix);
+ fw_name_count++;
+ }
+
+ snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN,
+ "brcm/BCM%s.hcd", postfix);
+ fw_name_count++;
+
+ for (i = 0; i < fw_name_count; i++) {
+ err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev);
+ if (err == 0) {
+ bt_dev_info(hdev, "%s '%s' Patch",
+ hw_name ? hw_name : "BCM", fw_name[i]);
+ *fw_load_done = true;
+ break;
+ }
+ }
+
+ if (*fw_load_done) {
+ err = btbcm_patchram(hdev, fw);
+ if (err)
+ bt_dev_info(hdev, "BCM: Patch failed (%d)", err);
+
+ release_firmware(fw);
+ } else {
+ bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:");
+ for (i = 0; i < fw_name_count; i++)
+ bt_dev_err(hdev, "BCM: '%s'", fw_name[i]);
+ }
+ kfree(fw_name);
return 0;
}
EXPORT_SYMBOL_GPL(btbcm_initialize);
-int btbcm_finalize(struct hci_dev *hdev)
+int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done)
{
- char fw_name[64];
int err;
- /* Re-initialize */
- err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), true);
- if (err)
- return err;
+ /* Re-initialize if necessary */
+ if (*fw_load_done) {
+ err = btbcm_initialize(hdev, fw_load_done);
+ if (err)
+ return err;
+ }
btbcm_check_bdaddr(hdev);
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
- /* Some devices ship with the controller default address.
- * Allow the bootloader to set a valid address through the
- * device tree.
- */
- set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
-
return 0;
}
EXPORT_SYMBOL_GPL(btbcm_finalize);
int btbcm_setup_patchram(struct hci_dev *hdev)
{
- char fw_name[64];
- const struct firmware *fw;
- struct sk_buff *skb;
+ bool fw_load_done = false;
int err;
/* Initialize */
- err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), false);
- if (err)
- return err;
-
- err = request_firmware(&fw, fw_name, &hdev->dev);
- if (err < 0) {
- bt_dev_info(hdev, "BCM: Patch %s not found", fw_name);
- goto done;
- }
-
- btbcm_patchram(hdev, fw);
-
- release_firmware(fw);
-
- /* Re-initialize */
- err = btbcm_initialize(hdev, fw_name, sizeof(fw_name), true);
+ err = btbcm_initialize(hdev, &fw_load_done);
if (err)
return err;
- /* Read Local Name */
- skb = btbcm_read_local_name(hdev);
- if (IS_ERR(skb))
- return PTR_ERR(skb);
-
- bt_dev_info(hdev, "%s", (char *)(skb->data + 1));
- kfree_skb(skb);
-
-done:
- btbcm_check_bdaddr(hdev);
-
- set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
-
- return 0;
+ /* Re-initialize after loading Patch */
+ return btbcm_finalize(hdev, &fw_load_done);
}
EXPORT_SYMBOL_GPL(btbcm_setup_patchram);
diff --git a/drivers/bluetooth/btbcm.h b/drivers/bluetooth/btbcm.h
index 014ef847a486..8bf01565fdfc 100644
--- a/drivers/bluetooth/btbcm.h
+++ b/drivers/bluetooth/btbcm.h
@@ -62,9 +62,8 @@ int btbcm_write_pcm_int_params(struct hci_dev *hdev,
int btbcm_setup_patchram(struct hci_dev *hdev);
int btbcm_setup_apple(struct hci_dev *hdev);
-int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len,
- bool reinit);
-int btbcm_finalize(struct hci_dev *hdev);
+int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done);
+int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done);
#else
@@ -105,13 +104,12 @@ static inline int btbcm_setup_apple(struct hci_dev *hdev)
return 0;
}
-static inline int btbcm_initialize(struct hci_dev *hdev, char *fw_name,
- size_t len, bool reinit)
+static inline int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done)
{
return 0;
}
-static inline int btbcm_finalize(struct hci_dev *hdev)
+static inline int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done)
{
return 0;
}
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 0f3a020703ab..a296f8526433 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -355,31 +355,31 @@ static const struct btmrvl_sdio_device btmrvl_sdio_sd8997 = {
static const struct sdio_device_id btmrvl_sdio_ids[] = {
/* Marvell SD8688 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9105),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8688_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8688 },
/* Marvell SD8787 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911A),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
/* Marvell SD8787 Bluetooth AMP device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x911B),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_BT_AMP),
.driver_data = (unsigned long)&btmrvl_sdio_sd8787 },
/* Marvell SD8797 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912A),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8797 },
/* Marvell SD8887 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9136),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8887 },
/* Marvell SD8897 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x912E),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8897 },
/* Marvell SD8977 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9146),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8977 },
/* Marvell SD8987 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x914A),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8987 },
/* Marvell SD8997 Bluetooth device */
- { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, 0x9142),
+ { SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_BT),
.driver_data = (unsigned long)&btmrvl_sdio_sd8997 },
{ } /* Terminating entry */
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index 519788c442ca..bff095be2f97 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -51,9 +51,9 @@ static const struct btmtksdio_data mt7668_data = {
};
static const struct sdio_device_id btmtksdio_table[] = {
- {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7663),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7663),
.driver_data = (kernel_ulong_t)&mt7663_data },
- {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, 0x7668),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MEDIATEK, SDIO_DEVICE_ID_MEDIATEK_MT7668),
.driver_data = (kernel_ulong_t)&mt7668_data },
{ } /* Terminating entry */
};
diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c
index e11169ad8247..6c40bc75fb5b 100644
--- a/drivers/bluetooth/btmtkuart.c
+++ b/drivers/bluetooth/btmtkuart.c
@@ -695,8 +695,7 @@ static int btmtkuart_change_baudrate(struct hci_dev *hdev)
/* Send a dummy byte 0xff to activate the new baudrate */
param = 0xff;
- err = serdev_device_write(bdev->serdev, &param, sizeof(param),
- MAX_SCHEDULE_TIMEOUT);
+ err = serdev_device_write_buf(bdev->serdev, &param, sizeof(param));
if (err < 0 || err < sizeof(param))
return err;
@@ -1015,7 +1014,7 @@ static int btmtkuart_probe(struct serdev_device *serdev)
if (btmtkuart_is_standalone(bdev)) {
err = clk_prepare_enable(bdev->osc);
if (err < 0)
- return err;
+ goto err_hci_free_dev;
if (bdev->boot) {
gpiod_set_value_cansleep(bdev->boot, 1);
@@ -1028,10 +1027,8 @@ static int btmtkuart_probe(struct serdev_device *serdev)
/* Power on */
err = regulator_enable(bdev->vcc);
- if (err < 0) {
- clk_disable_unprepare(bdev->osc);
- return err;
- }
+ if (err < 0)
+ goto err_clk_disable_unprepare;
/* Reset if the reset-gpios is available otherwise the board
* -level design should be guaranteed.
@@ -1063,7 +1060,6 @@ static int btmtkuart_probe(struct serdev_device *serdev)
err = hci_register_dev(hdev);
if (err < 0) {
dev_err(&serdev->dev, "Can't register HCI device\n");
- hci_free_dev(hdev);
goto err_regulator_disable;
}
@@ -1072,6 +1068,11 @@ static int btmtkuart_probe(struct serdev_device *serdev)
err_regulator_disable:
if (btmtkuart_is_standalone(bdev))
regulator_disable(bdev->vcc);
+err_clk_disable_unprepare:
+ if (btmtkuart_is_standalone(bdev))
+ clk_disable_unprepare(bdev->osc);
+err_hci_free_dev:
+ hci_free_dev(hdev);
return err;
}
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index a16845c0751d..c5984966f315 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -32,7 +32,7 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
* VSE event. WCN3991 sends version command response as a payload to
* command complete event.
*/
- if (soc_type == QCA_WCN3991) {
+ if (soc_type >= QCA_WCN3991) {
event_type = 0;
rlen += 1;
rtype = EDL_PATCH_VER_REQ_CMD;
@@ -69,22 +69,26 @@ int qca_read_soc_version(struct hci_dev *hdev, u32 *soc_version,
goto out;
}
- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
memmove(&edl->data, &edl->data[1], sizeof(*ver));
ver = (struct qca_btsoc_version *)(edl->data);
- BT_DBG("%s: Product:0x%08x", hdev->name, le32_to_cpu(ver->product_id));
- BT_DBG("%s: Patch :0x%08x", hdev->name, le16_to_cpu(ver->patch_ver));
- BT_DBG("%s: ROM :0x%08x", hdev->name, le16_to_cpu(ver->rom_ver));
- BT_DBG("%s: SOC :0x%08x", hdev->name, le32_to_cpu(ver->soc_id));
+ bt_dev_info(hdev, "QCA Product ID :0x%08x",
+ le32_to_cpu(ver->product_id));
+ bt_dev_info(hdev, "QCA SOC Version :0x%08x",
+ le32_to_cpu(ver->soc_id));
+ bt_dev_info(hdev, "QCA ROM Version :0x%08x",
+ le16_to_cpu(ver->rom_ver));
+ bt_dev_info(hdev, "QCA Patch Version:0x%08x",
+ le16_to_cpu(ver->patch_ver));
/* QCA chipset version can be decided by patch and SoC
* version, combination with upper 2 bytes from SoC
* and lower 2 bytes from patch will be used.
*/
*soc_version = (le32_to_cpu(ver->soc_id) << 16) |
- (le16_to_cpu(ver->rom_ver) & 0x0000ffff);
+ (le16_to_cpu(ver->rom_ver) & 0x0000ffff);
if (*soc_version == 0)
err = -EILSEQ;
@@ -217,7 +221,7 @@ static void qca_tlv_check_data(struct qca_fw_config *config,
tlv_nvm->data[0] |= 0x80;
/* UART Baud Rate */
- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
tlv_nvm->data[1] = nvm_baud_rate;
else
tlv_nvm->data[2] = nvm_baud_rate;
@@ -268,7 +272,7 @@ static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
* VSE event. WCN3991 sends version command response as a payload to
* command complete event.
*/
- if (soc_type == QCA_WCN3991) {
+ if (soc_type >= QCA_WCN3991) {
event_type = 0;
rlen = sizeof(*edl);
rtype = EDL_PATCH_TLV_REQ_CMD;
@@ -301,7 +305,7 @@ static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
err = -EIO;
}
- if (soc_type == QCA_WCN3991)
+ if (soc_type >= QCA_WCN3991)
goto out;
tlv_resp = (struct tlv_seg_resp *)(edl->data);
@@ -442,6 +446,11 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
(soc_ver & 0x0000000f);
snprintf(config.fwname, sizeof(config.fwname),
"qca/crbtfw%02x.tlv", rom_ver);
+ } else if (soc_type == QCA_QCA6390) {
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) |
+ (soc_ver & 0x0000000f);
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htbtfw%02x.tlv", rom_ver);
} else {
snprintf(config.fwname, sizeof(config.fwname),
"qca/rampatch_%08x.bin", soc_ver);
@@ -464,6 +473,9 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
else if (qca_is_wcn399x(soc_type))
snprintf(config.fwname, sizeof(config.fwname),
"qca/crnv%02x.bin", rom_ver);
+ else if (soc_type == QCA_QCA6390)
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htnv%02x.bin", rom_ver);
else
snprintf(config.fwname, sizeof(config.fwname),
"qca/nvm_%08x.bin", soc_ver);
diff --git a/drivers/bluetooth/btqca.h b/drivers/bluetooth/btqca.h
index e16a4d650597..6e1e62dd4b95 100644
--- a/drivers/bluetooth/btqca.h
+++ b/drivers/bluetooth/btqca.h
@@ -125,8 +125,9 @@ enum qca_btsoc_type {
QCA_AR3002,
QCA_ROME,
QCA_WCN3990,
- QCA_WCN3991,
QCA_WCN3998,
+ QCA_WCN3991,
+ QCA_QCA6390,
};
#if IS_ENABLED(CONFIG_BT_QCA)
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 67f4bc21e7c5..3a9afc905f24 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -130,12 +130,19 @@ static const struct id_table ic_id_table[] = {
.cfg_name = "rtl_bt/rtl8821c_config" },
/* 8761A */
- { IC_MATCH_FL_LMPSUBV, RTL_ROM_LMP_8761A, 0x0,
+ { IC_INFO(RTL_ROM_LMP_8761A, 0xa),
.config_needed = false,
.has_rom_version = true,
.fw_name = "rtl_bt/rtl8761a_fw.bin",
.cfg_name = "rtl_bt/rtl8761a_config" },
+ /* 8761B */
+ { IC_INFO(RTL_ROM_LMP_8761A, 0xb),
+ .config_needed = false,
+ .has_rom_version = true,
+ .fw_name = "rtl_bt/rtl8761b_fw.bin",
+ .cfg_name = "rtl_bt/rtl8761b_config" },
+
/* 8822C with UART interface */
{ .match_flags = IC_MATCH_FL_LMPSUBV | IC_MATCH_FL_HCIREV |
IC_MATCH_FL_HCIBUS,
@@ -267,6 +274,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
{ RTL_ROM_LMP_8723B, 9 }, /* 8723D */
{ RTL_ROM_LMP_8821A, 10 }, /* 8821C */
{ RTL_ROM_LMP_8822B, 13 }, /* 8822C */
+ { RTL_ROM_LMP_8761A, 14 }, /* 8761B */
};
min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 3bdec42c9612..5f022e9cf667 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -58,6 +58,7 @@ static struct usb_driver btusb_driver;
#define BTUSB_CW6622 0x100000
#define BTUSB_MEDIATEK 0x200000
#define BTUSB_WIDEBAND_SPEECH 0x400000
+#define BTUSB_VALID_LE_STATES 0x800000
static const struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
@@ -335,11 +336,14 @@ static const struct usb_device_id blacklist_table[] = {
/* Intel Bluetooth devices */
{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
- BTUSB_WIDEBAND_SPEECH },
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_NEW |
+ BTUSB_WIDEBAND_SPEECH},
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
@@ -348,7 +352,8 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW |
- BTUSB_WIDEBAND_SPEECH },
+ BTUSB_WIDEBAND_SPEECH |
+ BTUSB_VALID_LE_STATES },
/* Other Intel Bluetooth devices */
{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
@@ -492,6 +497,8 @@ struct btusb_data {
__u8 cmdreq;
unsigned int sco_num;
+ unsigned int air_mode;
+ bool usb_alt6_packet_flow;
int isoc_altsetting;
int suspend_count;
@@ -983,6 +990,42 @@ static void btusb_isoc_complete(struct urb *urb)
}
}
+static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len,
+ int mtu, struct btusb_data *data)
+{
+ int i, offset = 0;
+ unsigned int interval;
+
+ BT_DBG("len %d mtu %d", len, mtu);
+
+ /* For mSBC ALT 6 setting the host will send the packet at continuous
+ * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting
+ * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets.
+ * To maintain the rate we send 63bytes of usb packets alternatively for
+ * 7ms and 8ms to maintain the rate as 7.5ms.
+ */
+ if (data->usb_alt6_packet_flow) {
+ interval = 7;
+ data->usb_alt6_packet_flow = false;
+ } else {
+ interval = 6;
+ data->usb_alt6_packet_flow = true;
+ }
+
+ for (i = 0; i < interval; i++) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = offset;
+ }
+
+ if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = len;
+ i++;
+ }
+
+ urb->number_of_packets = i;
+}
+
static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
{
int i, offset = 0;
@@ -1386,9 +1429,13 @@ static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
urb->transfer_flags = URB_ISO_ASAP;
- __fill_isoc_descriptor(urb, skb->len,
- le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
-
+ if (data->isoc_altsetting == 6)
+ __fill_isoc_descriptor_msbc(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
+ data);
+ else
+ __fill_isoc_descriptor(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
skb->dev = (void *)hdev;
return urb;
@@ -1484,6 +1531,7 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
data->sco_num = hci_conn_num(hdev, SCO_LINK);
+ data->air_mode = evt;
schedule_work(&data->work);
}
}
@@ -1531,11 +1579,70 @@ static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
return 0;
}
+static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+ int err;
+
+ if (data->isoc_altsetting != new_alts) {
+ unsigned long flags;
+
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ /* When isochronous alternate setting needs to be
+ * changed, because SCO connection has been added
+ * or removed, a packet fragment may be left in the
+ * reassembling state. This could lead to wrongly
+ * assembled fragments.
+ *
+ * Clear outstanding fragment when selecting a new
+ * alternate setting.
+ */
+ spin_lock_irqsave(&data->rxlock, flags);
+ kfree_skb(data->sco_skb);
+ data->sco_skb = NULL;
+ spin_unlock_irqrestore(&data->rxlock, flags);
+
+ err = __set_isoc_interface(hdev, new_alts);
+ if (err < 0)
+ return err;
+ }
+
+ if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ }
+
+ return 0;
+}
+
+static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
+ int alt)
+{
+ struct usb_interface *intf = data->isoc;
+ int i;
+
+ BT_DBG("Looking for Alt no :%d", alt);
+
+ if (!intf)
+ return NULL;
+
+ for (i = 0; i < intf->num_altsetting; i++) {
+ if (intf->altsetting[i].desc.bAlternateSetting == alt)
+ return &intf->altsetting[i];
+ }
+
+ return NULL;
+}
+
static void btusb_work(struct work_struct *work)
{
struct btusb_data *data = container_of(work, struct btusb_data, work);
struct hci_dev *hdev = data->hdev;
- int new_alts;
+ int new_alts = 0;
int err;
if (data->sco_num > 0) {
@@ -1550,44 +1657,27 @@ static void btusb_work(struct work_struct *work)
set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
}
- if (hdev->voice_setting & 0x0020) {
- static const int alts[3] = { 2, 4, 5 };
-
- new_alts = alts[data->sco_num - 1];
- } else {
- new_alts = data->sco_num;
- }
-
- if (data->isoc_altsetting != new_alts) {
- unsigned long flags;
+ if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
+ if (hdev->voice_setting & 0x0020) {
+ static const int alts[3] = { 2, 4, 5 };
- clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
- usb_kill_anchored_urbs(&data->isoc_anchor);
-
- /* When isochronous alternate setting needs to be
- * changed, because SCO connection has been added
- * or removed, a packet fragment may be left in the
- * reassembling state. This could lead to wrongly
- * assembled fragments.
- *
- * Clear outstanding fragment when selecting a new
- * alternate setting.
- */
- spin_lock_irqsave(&data->rxlock, flags);
- kfree_skb(data->sco_skb);
- data->sco_skb = NULL;
- spin_unlock_irqrestore(&data->rxlock, flags);
+ new_alts = alts[data->sco_num - 1];
+ } else {
+ new_alts = data->sco_num;
+ }
+ } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
- if (__set_isoc_interface(hdev, new_alts) < 0)
- return;
- }
+ data->usb_alt6_packet_flow = true;
- if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
- if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
- clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ /* Check if Alt 6 is supported for Transparent audio */
+ if (btusb_find_altsetting(data, 6))
+ new_alts = 6;
else
- btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ bt_dev_err(hdev, "Device does not support ALT setting 6");
}
+
+ if (btusb_switch_alt_setting(hdev, new_alts) < 0)
+ bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
} else {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
@@ -2252,7 +2342,7 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
if (ver.fw_variant == 0x23) {
clear_bit(BTUSB_BOOTLOADER, &data->flags);
btintel_check_bdaddr(hdev);
- return 0;
+ goto finish;
}
/* If the device is not in bootloader mode, then the only possible
@@ -2452,6 +2542,23 @@ done:
*/
btintel_load_ddc_config(hdev, fwname);
+ /* Read the Intel version information after loading the FW */
+ err = btintel_read_version(hdev, &ver);
+ if (err)
+ return err;
+
+ btintel_version_info(hdev, &ver);
+
+finish:
+ /* All Intel controllers that support the Microsoft vendor
+ * extension are using 0xFC1E for VsMsftOpCode.
+ */
+ switch (ver.hw_variant) {
+ case 0x12: /* ThP */
+ hci_set_msft_opcode(hdev, 0xFC1E);
+ break;
+ }
+
/* Set the event mask for Intel specific vendor events. This enables
* a few extra events that are useful during general operation. It
* does not enable any debugging related events.
@@ -2461,13 +2568,6 @@ done:
*/
btintel_set_event_mask(hdev, false);
- /* Read the Intel version information after loading the FW */
- err = btintel_read_version(hdev, &ver);
- if (err)
- return err;
-
- btintel_version_info(hdev, &ver);
-
return 0;
}
@@ -3600,6 +3700,13 @@ static void btusb_check_needs_reset_resume(struct usb_interface *intf)
interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
}
+static bool btusb_prevent_wake(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hci_get_drvdata(hdev);
+
+ return !device_may_wakeup(&data->udev->dev);
+}
+
static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
@@ -3733,6 +3840,7 @@ static int btusb_probe(struct usb_interface *intf,
hdev->flush = btusb_flush;
hdev->send = btusb_send_frame;
hdev->notify = btusb_notify;
+ hdev->prevent_wake = btusb_prevent_wake;
#ifdef CONFIG_PM
err = btusb_config_oob_wake(hdev);
@@ -3877,6 +3985,9 @@ static int btusb_probe(struct usb_interface *intf,
if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+ if (id->driver_info & BTUSB_VALID_LE_STATES)
+ set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
+
if (id->driver_info & BTUSB_DIGIANSWER) {
data->cmdreq_type = USB_TYPE_VENDOR;
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index b236cb11c0dc..8ea5ca8d71d6 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c
@@ -118,6 +118,7 @@ struct bcm_device {
u32 oper_speed;
int irq;
bool irq_active_low;
+ bool irq_acquired;
#ifdef CONFIG_PM
struct hci_uart *hu;
@@ -333,6 +334,8 @@ static int bcm_request_irq(struct bcm_data *bcm)
goto unlock;
}
+ bdev->irq_acquired = true;
+
device_init_wakeup(bdev->dev, true);
pm_runtime_set_autosuspend_delay(bdev->dev,
@@ -514,7 +517,7 @@ static int bcm_close(struct hci_uart *hu)
}
if (bdev) {
- if (IS_ENABLED(CONFIG_PM) && bdev->irq > 0) {
+ if (IS_ENABLED(CONFIG_PM) && bdev->irq_acquired) {
devm_free_irq(bdev->dev, bdev->irq, bdev);
device_init_wakeup(bdev->dev, false);
pm_runtime_disable(bdev->dev);
@@ -550,8 +553,7 @@ static int bcm_flush(struct hci_uart *hu)
static int bcm_setup(struct hci_uart *hu)
{
struct bcm_data *bcm = hu->priv;
- char fw_name[64];
- const struct firmware *fw;
+ bool fw_load_done = false;
unsigned int speed;
int err;
@@ -560,21 +562,12 @@ static int bcm_setup(struct hci_uart *hu)
hu->hdev->set_diag = bcm_set_diag;
hu->hdev->set_bdaddr = btbcm_set_bdaddr;
- err = btbcm_initialize(hu->hdev, fw_name, sizeof(fw_name), false);
+ err = btbcm_initialize(hu->hdev, &fw_load_done);
if (err)
return err;
- err = request_firmware(&fw, fw_name, &hu->hdev->dev);
- if (err < 0) {
- bt_dev_info(hu->hdev, "BCM: Patch %s not found", fw_name);
+ if (!fw_load_done)
return 0;
- }
-
- err = btbcm_patchram(hu->hdev, fw);
- if (err) {
- bt_dev_info(hu->hdev, "BCM: Patch failed (%d)", err);
- goto finalize;
- }
/* Init speed if any */
if (hu->init_speed)
@@ -613,13 +606,16 @@ static int bcm_setup(struct hci_uart *hu)
btbcm_write_pcm_int_params(hu->hdev, &params);
}
-finalize:
- release_firmware(fw);
-
- err = btbcm_finalize(hu->hdev);
+ err = btbcm_finalize(hu->hdev, &fw_load_done);
if (err)
return err;
+ /* Some devices ship with the controller default address.
+ * Allow the bootloader to set a valid address through the
+ * device tree.
+ */
+ set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hu->hdev->quirks);
+
if (!bcm_request_irq(bcm))
err = bcm_setup_sleep(hu);
@@ -1153,7 +1149,8 @@ static int bcm_of_probe(struct bcm_device *bdev)
device_property_read_u8_array(bdev->dev, "brcm,bt-pcm-int-params",
bdev->pcm_int_params, 5);
bdev->irq = of_irq_get_byname(bdev->dev->of_node, "host-wakeup");
-
+ bdev->irq_active_low = irq_get_trigger_type(bdev->irq)
+ & (IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_LOW);
return 0;
}
diff --git a/drivers/bluetooth/hci_h5.c b/drivers/bluetooth/hci_h5.c
index 106c110efe56..e60b2e0773db 100644
--- a/drivers/bluetooth/hci_h5.c
+++ b/drivers/bluetooth/hci_h5.c
@@ -1018,6 +1018,8 @@ static const struct of_device_id rtl_bluetooth_of_match[] = {
#ifdef CONFIG_BT_HCIUART_RTL
{ .compatible = "realtek,rtl8822cs-bt",
.data = (const void *)&rtl_vnd },
+ { .compatible = "realtek,rtl8723bs-bt",
+ .data = (const void *)&rtl_vnd },
#endif
{ },
};
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 439392b1c043..81c3c38baba1 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -26,6 +26,7 @@
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of_device.h>
+#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/serdev.h>
@@ -74,6 +75,9 @@ enum qca_flags {
QCA_HW_ERROR_EVENT
};
+enum qca_capabilities {
+ QCA_CAP_WIDEBAND_SPEECH = BIT(0),
+};
/* HCI_IBS transmit side sleep protocol states */
enum tx_ibs_states {
@@ -110,6 +114,7 @@ struct qca_memdump_data {
char *memdump_buf_tail;
u32 current_seq_no;
u32 received_dump;
+ u32 ram_dump_size;
};
struct qca_memdump_event_hdr {
@@ -186,10 +191,11 @@ struct qca_vreg {
unsigned int load_uA;
};
-struct qca_vreg_data {
+struct qca_device_data {
enum qca_btsoc_type soc_type;
struct qca_vreg *vregs;
size_t num_vregs;
+ uint32_t capabilities;
};
/*
@@ -596,10 +602,12 @@ static int qca_open(struct hci_uart *hu)
if (hu->serdev) {
qcadev = serdev_device_get_drvdata(hu->serdev);
- if (qca_is_wcn399x(qcadev->btsoc_type)) {
+
+ if (qca_is_wcn399x(qcadev->btsoc_type))
hu->init_speed = qcadev->init_speed;
+
+ if (qcadev->oper_speed)
hu->oper_speed = qcadev->oper_speed;
- }
}
timer_setup(&qca->wake_retrans_timer, hci_ibs_wake_retrans_timeout, 0);
@@ -969,6 +977,8 @@ static void qca_controller_memdump(struct work_struct *work)
char nullBuff[QCA_DUMP_PACKET_SIZE] = { 0 };
u16 seq_no;
u32 dump_size;
+ u32 rx_size;
+ enum qca_btsoc_type soc_type = qca_soc_type(hu);
while ((skb = skb_dequeue(&qca->rx_memdump_q))) {
@@ -1018,10 +1028,12 @@ static void qca_controller_memdump(struct work_struct *work)
dump_size);
queue_delayed_work(qca->workqueue,
&qca->ctrl_memdump_timeout,
- msecs_to_jiffies(MEMDUMP_TIMEOUT_MS));
+ msecs_to_jiffies(MEMDUMP_TIMEOUT_MS)
+ );
skb_pull(skb, sizeof(dump_size));
memdump_buf = vmalloc(dump_size);
+ qca_memdump->ram_dump_size = dump_size;
qca_memdump->memdump_buf_head = memdump_buf;
qca_memdump->memdump_buf_tail = memdump_buf;
}
@@ -1044,26 +1056,57 @@ static void qca_controller_memdump(struct work_struct *work)
* the controller. In such cases let us store the dummy
* packets in the buffer.
*/
+ /* For QCA6390, controller does not lost packets but
+ * sequence number field of packat sometimes has error
+ * bits, so skip this checking for missing packet.
+ */
while ((seq_no > qca_memdump->current_seq_no + 1) &&
- seq_no != QCA_LAST_SEQUENCE_NUM) {
+ (soc_type != QCA_QCA6390) &&
+ seq_no != QCA_LAST_SEQUENCE_NUM) {
bt_dev_err(hu->hdev, "QCA controller missed packet:%d",
qca_memdump->current_seq_no);
+ rx_size = qca_memdump->received_dump;
+ rx_size += QCA_DUMP_PACKET_SIZE;
+ if (rx_size > qca_memdump->ram_dump_size) {
+ bt_dev_err(hu->hdev,
+ "QCA memdump received %d, no space for missed packet",
+ qca_memdump->received_dump);
+ break;
+ }
memcpy(memdump_buf, nullBuff, QCA_DUMP_PACKET_SIZE);
memdump_buf = memdump_buf + QCA_DUMP_PACKET_SIZE;
qca_memdump->received_dump += QCA_DUMP_PACKET_SIZE;
qca_memdump->current_seq_no++;
}
- memcpy(memdump_buf, (unsigned char *) skb->data, skb->len);
- memdump_buf = memdump_buf + skb->len;
- qca_memdump->memdump_buf_tail = memdump_buf;
- qca_memdump->current_seq_no = seq_no + 1;
- qca_memdump->received_dump += skb->len;
+ rx_size = qca_memdump->received_dump + skb->len;
+ if (rx_size <= qca_memdump->ram_dump_size) {
+ if ((seq_no != QCA_LAST_SEQUENCE_NUM) &&
+ (seq_no != qca_memdump->current_seq_no))
+ bt_dev_err(hu->hdev,
+ "QCA memdump unexpected packet %d",
+ seq_no);
+ bt_dev_dbg(hu->hdev,
+ "QCA memdump packet %d with length %d",
+ seq_no, skb->len);
+ memcpy(memdump_buf, (unsigned char *)skb->data,
+ skb->len);
+ memdump_buf = memdump_buf + skb->len;
+ qca_memdump->memdump_buf_tail = memdump_buf;
+ qca_memdump->current_seq_no = seq_no + 1;
+ qca_memdump->received_dump += skb->len;
+ } else {
+ bt_dev_err(hu->hdev,
+ "QCA memdump received %d, no space for packet %d",
+ qca_memdump->received_dump, seq_no);
+ }
qca->qca_memdump = qca_memdump;
kfree_skb(skb);
if (seq_no == QCA_LAST_SEQUENCE_NUM) {
- bt_dev_info(hu->hdev, "QCA writing crash dump of size %d bytes",
- qca_memdump->received_dump);
+ bt_dev_info(hu->hdev,
+ "QCA memdump Done, received %d, total %d",
+ qca_memdump->received_dump,
+ qca_memdump->ram_dump_size);
memdump_buf = qca_memdump->memdump_buf_head;
dev_coredumpv(&hu->serdev->dev, memdump_buf,
qca_memdump->received_dump, GFP_KERNEL);
@@ -1596,7 +1639,7 @@ static int qca_setup(struct hci_uart *hu)
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
bt_dev_info(hdev, "setting up %s",
- qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME");
+ qca_is_wcn399x(soc_type) ? "wcn399x" : "ROME/QCA6390");
retry:
ret = qca_power_on(hdev);
@@ -1665,10 +1708,10 @@ retry:
}
/* Setup bdaddr */
- if (qca_is_wcn399x(soc_type))
- hu->hdev->set_bdaddr = qca_set_bdaddr;
- else
+ if (soc_type == QCA_ROME)
hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
+ else
+ hu->hdev->set_bdaddr = qca_set_bdaddr;
return ret;
}
@@ -1688,7 +1731,7 @@ static const struct hci_uart_proto qca_proto = {
.dequeue = qca_dequeue,
};
-static const struct qca_vreg_data qca_soc_data_wcn3990 = {
+static const struct qca_device_data qca_soc_data_wcn3990 = {
.soc_type = QCA_WCN3990,
.vregs = (struct qca_vreg []) {
{ "vddio", 15000 },
@@ -1699,7 +1742,7 @@ static const struct qca_vreg_data qca_soc_data_wcn3990 = {
.num_vregs = 4,
};
-static const struct qca_vreg_data qca_soc_data_wcn3991 = {
+static const struct qca_device_data qca_soc_data_wcn3991 = {
.soc_type = QCA_WCN3991,
.vregs = (struct qca_vreg []) {
{ "vddio", 15000 },
@@ -1708,9 +1751,10 @@ static const struct qca_vreg_data qca_soc_data_wcn3991 = {
{ "vddch0", 450000 },
},
.num_vregs = 4,
+ .capabilities = QCA_CAP_WIDEBAND_SPEECH,
};
-static const struct qca_vreg_data qca_soc_data_wcn3998 = {
+static const struct qca_device_data qca_soc_data_wcn3998 = {
.soc_type = QCA_WCN3998,
.vregs = (struct qca_vreg []) {
{ "vddio", 10000 },
@@ -1721,6 +1765,11 @@ static const struct qca_vreg_data qca_soc_data_wcn3998 = {
.num_vregs = 4,
};
+static const struct qca_device_data qca_soc_data_qca6390 = {
+ .soc_type = QCA_QCA6390,
+ .num_vregs = 0,
+};
+
static void qca_power_shutdown(struct hci_uart *hu)
{
struct qca_serdev *qcadev;
@@ -1764,7 +1813,7 @@ static int qca_power_off(struct hci_dev *hdev)
enum qca_btsoc_type soc_type = qca_soc_type(hu);
/* Stop sending shutdown command if soc crashes. */
- if (qca_is_wcn399x(soc_type)
+ if (soc_type != QCA_ROME
&& qca->memdump_state == QCA_MEMDUMP_IDLE) {
qca_send_pre_shutdown_cmd(hdev);
usleep_range(8000, 10000);
@@ -1852,7 +1901,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
{
struct qca_serdev *qcadev;
struct hci_dev *hdev;
- const struct qca_vreg_data *data;
+ const struct qca_device_data *data;
int err;
bool power_ctrl_enabled = true;
@@ -1865,6 +1914,11 @@ static int qca_serdev_probe(struct serdev_device *serdev)
serdev_device_set_drvdata(serdev, qcadev);
device_property_read_string(&serdev->dev, "firmware-name",
&qcadev->firmware_name);
+ device_property_read_u32(&serdev->dev, "max-speed",
+ &qcadev->oper_speed);
+ if (!qcadev->oper_speed)
+ BT_DBG("UART will pick default operating speed");
+
if (data && qca_is_wcn399x(data->soc_type)) {
qcadev->btsoc_type = data->soc_type;
qcadev->bt_power = devm_kzalloc(&serdev->dev,
@@ -1889,18 +1943,17 @@ static int qca_serdev_probe(struct serdev_device *serdev)
return PTR_ERR(qcadev->susclk);
}
- device_property_read_u32(&serdev->dev, "max-speed",
- &qcadev->oper_speed);
- if (!qcadev->oper_speed)
- BT_DBG("UART will pick default operating speed");
-
err = hci_uart_register_device(&qcadev->serdev_hu, &qca_proto);
if (err) {
BT_ERR("wcn3990 serdev registration failed");
return err;
}
} else {
- qcadev->btsoc_type = QCA_ROME;
+ if (data)
+ qcadev->btsoc_type = data->soc_type;
+ else
+ qcadev->btsoc_type = QCA_ROME;
+
qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
GPIOD_OUT_LOW);
if (!qcadev->bt_en) {
@@ -1930,12 +1983,19 @@ static int qca_serdev_probe(struct serdev_device *serdev)
}
}
+ hdev = qcadev->serdev_hu.hdev;
+
if (power_ctrl_enabled) {
- hdev = qcadev->serdev_hu.hdev;
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
hdev->shutdown = qca_power_off;
}
+ /* Wideband speech support must be set per driver since it can't be
+ * queried via hci.
+ */
+ if (data && (data->capabilities & QCA_CAP_WIDEBAND_SPEECH))
+ set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
+
return 0;
}
@@ -1951,10 +2011,43 @@ static void qca_serdev_remove(struct serdev_device *serdev)
hci_uart_unregister_device(&qcadev->serdev_hu);
}
+static void qca_serdev_shutdown(struct device *dev)
+{
+ int ret;
+ int timeout = msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS);
+ struct serdev_device *serdev = to_serdev_device(dev);
+ struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+ const u8 ibs_wake_cmd[] = { 0xFD };
+ const u8 edl_reset_soc_cmd[] = { 0x01, 0x00, 0xFC, 0x01, 0x05 };
+
+ if (qcadev->btsoc_type == QCA_QCA6390) {
+ serdev_device_write_flush(serdev);
+ ret = serdev_device_write_buf(serdev, ibs_wake_cmd,
+ sizeof(ibs_wake_cmd));
+ if (ret < 0) {
+ BT_ERR("QCA send IBS_WAKE_IND error: %d", ret);
+ return;
+ }
+ serdev_device_wait_until_sent(serdev, timeout);
+ usleep_range(8000, 10000);
+
+ serdev_device_write_flush(serdev);
+ ret = serdev_device_write_buf(serdev, edl_reset_soc_cmd,
+ sizeof(edl_reset_soc_cmd));
+ if (ret < 0) {
+ BT_ERR("QCA send EDL_RESET_REQ error: %d", ret);
+ return;
+ }
+ serdev_device_wait_until_sent(serdev, timeout);
+ usleep_range(8000, 10000);
+ }
+}
+
static int __maybe_unused qca_suspend(struct device *dev)
{
- struct hci_dev *hdev = container_of(dev, struct hci_dev, dev);
- struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct serdev_device *serdev = to_serdev_device(dev);
+ struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+ struct hci_uart *hu = &qcadev->serdev_hu;
struct qca_data *qca = hu->priv;
unsigned long flags;
int ret = 0;
@@ -2033,8 +2126,9 @@ error:
static int __maybe_unused qca_resume(struct device *dev)
{
- struct hci_dev *hdev = container_of(dev, struct hci_dev, dev);
- struct hci_uart *hu = hci_get_drvdata(hdev);
+ struct serdev_device *serdev = to_serdev_device(dev);
+ struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+ struct hci_uart *hu = &qcadev->serdev_hu;
struct qca_data *qca = hu->priv;
clear_bit(QCA_SUSPENDING, &qca->flags);
@@ -2044,21 +2138,39 @@ static int __maybe_unused qca_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(qca_pm_ops, qca_suspend, qca_resume);
+#ifdef CONFIG_OF
static const struct of_device_id qca_bluetooth_of_match[] = {
{ .compatible = "qcom,qca6174-bt" },
+ { .compatible = "qcom,qca6390-bt", .data = &qca_soc_data_qca6390},
+ { .compatible = "qcom,qca9377-bt" },
{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id qca_bluetooth_acpi_match[] = {
+ { "QCOM6390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLA16390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLB16390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { "DLB26390", (kernel_ulong_t)&qca_soc_data_qca6390 },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, qca_bluetooth_acpi_match);
+#endif
+
static struct serdev_device_driver qca_serdev_driver = {
.probe = qca_serdev_probe,
.remove = qca_serdev_remove,
.driver = {
.name = "hci_uart_qca",
- .of_match_table = qca_bluetooth_of_match,
+ .of_match_table = of_match_ptr(qca_bluetooth_of_match),
+ .acpi_match_table = ACPI_PTR(qca_bluetooth_acpi_match),
+ .shutdown = qca_serdev_shutdown,
.pm = &qca_pm_ops,
},
};
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index 4652896d4990..599855e4c57c 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -21,8 +21,6 @@
#include "hci_uart.h"
-static struct serdev_device_ops hci_serdev_client_ops;
-
static inline void hci_uart_tx_complete(struct hci_uart *hu, int pkt_type)
{
struct hci_dev *hdev = hu->hdev;
@@ -260,7 +258,7 @@ static int hci_uart_receive_buf(struct serdev_device *serdev, const u8 *data,
return count;
}
-static struct serdev_device_ops hci_serdev_client_ops = {
+static const struct serdev_device_ops hci_serdev_client_ops = {
.receive_buf = hci_uart_receive_buf,
.write_wakeup = hci_uart_write_wakeup,
};
diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c
index b38359c480ea..1f8c82603179 100644
--- a/drivers/bus/mhi/core/init.c
+++ b/drivers/bus/mhi/core/init.c
@@ -291,6 +291,7 @@ int mhi_init_dev_ctxt(struct mhi_controller *mhi_cntrl)
}
/* Setup cmd context */
+ ret = -ENOMEM;
mhi_ctxt->cmd_ctxt = mhi_alloc_coherent(mhi_cntrl,
sizeof(*mhi_ctxt->cmd_ctxt) *
NR_OF_CMD_RINGS,
@@ -812,10 +813,9 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl,
if (!mhi_cntrl)
return -EINVAL;
- if (!mhi_cntrl->runtime_get || !mhi_cntrl->runtime_put)
- return -EINVAL;
-
- if (!mhi_cntrl->status_cb || !mhi_cntrl->link_status)
+ if (!mhi_cntrl->runtime_get || !mhi_cntrl->runtime_put ||
+ !mhi_cntrl->status_cb || !mhi_cntrl->read_reg ||
+ !mhi_cntrl->write_reg)
return -EINVAL;
ret = parse_config(mhi_cntrl, config);
@@ -1101,6 +1101,7 @@ static int mhi_driver_probe(struct device *dev)
}
}
+ ret = -EINVAL;
if (dl_chan) {
/*
* If channel supports LPM notifications then status_cb should
diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h
index 5deadfaa053a..095d95bc0e37 100644
--- a/drivers/bus/mhi/core/internal.h
+++ b/drivers/bus/mhi/core/internal.h
@@ -11,9 +11,6 @@
extern struct bus_type mhi_bus_type;
-/* MHI MMIO register mapping */
-#define PCI_INVALID_READ(val) (val == U32_MAX)
-
#define MHIREGLEN (0x0)
#define MHIREGLEN_MHIREGLEN_MASK (0xFFFFFFFF)
#define MHIREGLEN_MHIREGLEN_SHIFT (0)
diff --git a/drivers/bus/mhi/core/main.c b/drivers/bus/mhi/core/main.c
index eb4256b81406..97e06cc586e4 100644
--- a/drivers/bus/mhi/core/main.c
+++ b/drivers/bus/mhi/core/main.c
@@ -18,16 +18,7 @@
int __must_check mhi_read_reg(struct mhi_controller *mhi_cntrl,
void __iomem *base, u32 offset, u32 *out)
{
- u32 tmp = readl(base + offset);
-
- /* If there is any unexpected value, query the link status */
- if (PCI_INVALID_READ(tmp) &&
- mhi_cntrl->link_status(mhi_cntrl))
- return -EIO;
-
- *out = tmp;
-
- return 0;
+ return mhi_cntrl->read_reg(mhi_cntrl, base + offset, out);
}
int __must_check mhi_read_reg_field(struct mhi_controller *mhi_cntrl,
@@ -49,7 +40,7 @@ int __must_check mhi_read_reg_field(struct mhi_controller *mhi_cntrl,
void mhi_write_reg(struct mhi_controller *mhi_cntrl, void __iomem *base,
u32 offset, u32 val)
{
- writel(val, base + offset);
+ mhi_cntrl->write_reg(mhi_cntrl, base + offset, val);
}
void mhi_write_reg_field(struct mhi_controller *mhi_cntrl, void __iomem *base,
@@ -294,7 +285,7 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl)
!(mhi_chan->ee_mask & BIT(mhi_cntrl->ee)))
continue;
mhi_dev = mhi_alloc_device(mhi_cntrl);
- if (!mhi_dev)
+ if (IS_ERR(mhi_dev))
return;
mhi_dev->dev_type = MHI_DEVICE_XFER;
@@ -336,7 +327,8 @@ void mhi_create_devices(struct mhi_controller *mhi_cntrl)
/* Channel name is same for both UL and DL */
mhi_dev->chan_name = mhi_chan->name;
- dev_set_name(&mhi_dev->dev, "%04x_%s", mhi_chan->chan,
+ dev_set_name(&mhi_dev->dev, "%s_%s",
+ dev_name(mhi_cntrl->cntrl_dev),
mhi_dev->chan_name);
/* Init wakeup source if available */
diff --git a/drivers/bus/mhi/core/pm.c b/drivers/bus/mhi/core/pm.c
index 52690cb5c89c..dc83d65f7784 100644
--- a/drivers/bus/mhi/core/pm.c
+++ b/drivers/bus/mhi/core/pm.c
@@ -902,7 +902,11 @@ int mhi_sync_power_up(struct mhi_controller *mhi_cntrl)
MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state),
msecs_to_jiffies(mhi_cntrl->timeout_ms));
- return (MHI_IN_MISSION_MODE(mhi_cntrl->ee)) ? 0 : -EIO;
+ ret = (MHI_IN_MISSION_MODE(mhi_cntrl->ee)) ? 0 : -ETIMEDOUT;
+ if (ret)
+ mhi_power_down(mhi_cntrl, false);
+
+ return ret;
}
EXPORT_SYMBOL(mhi_sync_power_up);
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index faca0f346fff..a0a7ae705de8 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -586,7 +586,7 @@ static int cdrom_mrw_set_lba_space(struct cdrom_device_info *cdi, int space)
return 0;
}
-int register_cdrom(struct cdrom_device_info *cdi)
+int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi)
{
static char banner_printed;
const struct cdrom_device_ops *cdo = cdi->ops;
@@ -601,6 +601,9 @@ int register_cdrom(struct cdrom_device_info *cdi)
cdrom_sysctl_register();
}
+ cdi->disk = disk;
+ disk->cdi = cdi;
+
ENSURE(cdo, drive_status, CDC_DRIVE_STATUS);
if (cdo->check_events == NULL && cdo->media_changed == NULL)
WARN_ON_ONCE(cdo->capability & (CDC_MEDIA_CHANGED | CDC_SELECT_DISC));
@@ -2292,37 +2295,46 @@ retry:
return cdrom_read_cdda_old(cdi, ubuf, lba, nframes);
}
-static int cdrom_ioctl_multisession(struct cdrom_device_info *cdi,
- void __user *argp)
+int cdrom_multisession(struct cdrom_device_info *cdi,
+ struct cdrom_multisession *info)
{
- struct cdrom_multisession ms_info;
u8 requested_format;
int ret;
- cd_dbg(CD_DO_IOCTL, "entering CDROMMULTISESSION\n");
-
if (!(cdi->ops->capability & CDC_MULTI_SESSION))
return -ENOSYS;
- if (copy_from_user(&ms_info, argp, sizeof(ms_info)))
- return -EFAULT;
-
- requested_format = ms_info.addr_format;
+ requested_format = info->addr_format;
if (requested_format != CDROM_MSF && requested_format != CDROM_LBA)
return -EINVAL;
- ms_info.addr_format = CDROM_LBA;
+ info->addr_format = CDROM_LBA;
- ret = cdi->ops->get_last_session(cdi, &ms_info);
- if (ret)
- return ret;
+ ret = cdi->ops->get_last_session(cdi, info);
+ if (!ret)
+ sanitize_format(&info->addr, &info->addr_format,
+ requested_format);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(cdrom_multisession);
- sanitize_format(&ms_info.addr, &ms_info.addr_format, requested_format);
+static int cdrom_ioctl_multisession(struct cdrom_device_info *cdi,
+ void __user *argp)
+{
+ struct cdrom_multisession info;
+ int ret;
+
+ cd_dbg(CD_DO_IOCTL, "entering CDROMMULTISESSION\n");
- if (copy_to_user(argp, &ms_info, sizeof(ms_info)))
+ if (copy_from_user(&info, argp, sizeof(info)))
+ return -EFAULT;
+ ret = cdrom_multisession(cdi, &info);
+ if (ret)
+ return ret;
+ if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
cd_dbg(CD_DO_IOCTL, "CDROMMULTISESSION successful\n");
- return 0;
+ return ret;
}
static int cdrom_ioctl_eject(struct cdrom_device_info *cdi)
@@ -2663,32 +2675,37 @@ static int cdrom_ioctl_read_tochdr(struct cdrom_device_info *cdi,
return 0;
}
+int cdrom_read_tocentry(struct cdrom_device_info *cdi,
+ struct cdrom_tocentry *entry)
+{
+ u8 requested_format = entry->cdte_format;
+ int ret;
+
+ if (requested_format != CDROM_MSF && requested_format != CDROM_LBA)
+ return -EINVAL;
+
+ /* make interface to low-level uniform */
+ entry->cdte_format = CDROM_MSF;
+ ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, entry);
+ if (!ret)
+ sanitize_format(&entry->cdte_addr, &entry->cdte_format,
+ requested_format);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(cdrom_read_tocentry);
+
static int cdrom_ioctl_read_tocentry(struct cdrom_device_info *cdi,
void __user *argp)
{
struct cdrom_tocentry entry;
- u8 requested_format;
int ret;
- /* cd_dbg(CD_DO_IOCTL, "entering CDROMREADTOCENTRY\n"); */
-
if (copy_from_user(&entry, argp, sizeof(entry)))
return -EFAULT;
-
- requested_format = entry.cdte_format;
- if (requested_format != CDROM_MSF && requested_format != CDROM_LBA)
- return -EINVAL;
- /* make interface to low-level uniform */
- entry.cdte_format = CDROM_MSF;
- ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &entry);
- if (ret)
- return ret;
- sanitize_format(&entry.cdte_addr, &entry.cdte_format, requested_format);
-
- if (copy_to_user(argp, &entry, sizeof(entry)))
+ ret = cdrom_read_tocentry(cdi, &entry);
+ if (!ret && copy_to_user(argp, &entry, sizeof(entry)))
return -EFAULT;
- /* cd_dbg(CD_DO_IOCTL, "CDROMREADTOCENTRY successful\n"); */
- return 0;
+ return ret;
}
static int cdrom_ioctl_play_msf(struct cdrom_device_info *cdi,
@@ -3631,7 +3648,7 @@ static void cdrom_update_settings(void)
}
static int cdrom_sysctl_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index c51292c2a131..09b0cd292720 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -770,7 +770,7 @@ static int probe_gdrom(struct platform_device *devptr)
goto probe_fail_no_disk;
}
probe_gdrom_setupdisk();
- if (register_cdrom(gd.cd_info)) {
+ if (register_cdrom(gd.disk, gd.cd_info)) {
err = -ENODEV;
goto probe_fail_cdrom_register;
}
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66a62d17a3f5..4b34a5195c65 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
unsigned int flags)
{
intel_private.driver->write_entry(addr, pg, flags);
+ readl(intel_private.gtt + pg);
if (intel_private.driver->chipset_flush)
intel_private.driver->chipset_flush();
}
@@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
j++;
}
}
- wmb();
+ readl(intel_private.gtt + j - 1);
if (intel_private.driver->chipset_flush)
intel_private.driver->chipset_flush();
}
@@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
static void i9xx_chipset_flush(void)
{
+ wmb();
if (intel_private.i9xx_flush_page)
writel(1, intel_private.i9xx_flush_page);
}
@@ -1405,13 +1407,16 @@ int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
dev_info(&bridge_pdev->dev, "Intel %s Chipset\n", intel_gtt_chipsets[i].name);
- mask = intel_private.driver->dma_mask_size;
- if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask)))
- dev_err(&intel_private.pcidev->dev,
- "set gfx device dma mask %d-bit failed!\n", mask);
- else
- pci_set_consistent_dma_mask(intel_private.pcidev,
- DMA_BIT_MASK(mask));
+ if (bridge) {
+ mask = intel_private.driver->dma_mask_size;
+ if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask)))
+ dev_err(&intel_private.pcidev->dev,
+ "set gfx device dma mask %d-bit failed!\n",
+ mask);
+ else
+ pci_set_consistent_dma_mask(intel_private.pcidev,
+ DMA_BIT_MASK(mask));
+ }
if (intel_gtt_init() != 0) {
intel_gmch_remove();
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 9bc46da8d77a..ac00d78ee9cc 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -474,6 +474,19 @@ config HW_RANDOM_KEYSTONE
help
This option enables Keystone's hardware random generator.
+config HW_RANDOM_CCTRNG
+ tristate "Arm CryptoCell True Random Number Generator support"
+ depends on HAS_IOMEM && OF
+ help
+ Say 'Y' to enable the True Random Number Generator driver for the
+ Arm TrustZone CryptoCell family of processors.
+ Currently the CryptoCell 713 and 703 are supported.
+ The driver is supported only in SoC where Trusted Execution
+ Environment is not used.
+ Choose 'M' to compile this driver as a module. The module
+ will be called cctrng.
+ If unsure, say 'N'.
+
endif # HW_RANDOM
config UML_RANDOM
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index a7801b49ce6c..2c6724735345 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -41,3 +41,4 @@ obj-$(CONFIG_HW_RANDOM_S390) += s390-trng.o
obj-$(CONFIG_HW_RANDOM_KEYSTONE) += ks-sa-rng.o
obj-$(CONFIG_HW_RANDOM_OPTEE) += optee-rng.o
obj-$(CONFIG_HW_RANDOM_NPCM) += npcm-rng.o
+obj-$(CONFIG_HW_RANDOM_CCTRNG) += cctrng.o
diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c
new file mode 100644
index 000000000000..619148fb2dc9
--- /dev/null
+++ b/drivers/char/hw_random/cctrng.c
@@ -0,0 +1,735 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2019-2020 ARM Limited or its affiliates. */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/hw_random.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/interrupt.h>
+#include <linux/irqreturn.h>
+#include <linux/workqueue.h>
+#include <linux/circ_buf.h>
+#include <linux/completion.h>
+#include <linux/of.h>
+#include <linux/bitfield.h>
+#include <linux/fips.h>
+
+#include "cctrng.h"
+
+#define CC_REG_LOW(name) (name ## _BIT_SHIFT)
+#define CC_REG_HIGH(name) (CC_REG_LOW(name) + name ## _BIT_SIZE - 1)
+#define CC_GENMASK(name) GENMASK(CC_REG_HIGH(name), CC_REG_LOW(name))
+
+#define CC_REG_FLD_GET(reg_name, fld_name, reg_val) \
+ (FIELD_GET(CC_GENMASK(CC_ ## reg_name ## _ ## fld_name), reg_val))
+
+#define CC_HW_RESET_LOOP_COUNT 10
+#define CC_TRNG_SUSPEND_TIMEOUT 3000
+
+/* data circular buffer in words must be:
+ * - of a power-of-2 size (limitation of circ_buf.h macros)
+ * - at least 6, the size generated in the EHR according to HW implementation
+ */
+#define CCTRNG_DATA_BUF_WORDS 32
+
+/* The timeout for the TRNG operation should be calculated with the formula:
+ * Timeout = EHR_NUM * VN_COEFF * EHR_LENGTH * SAMPLE_CNT * SCALE_VALUE
+ * while:
+ * - SAMPLE_CNT is input value from the characterisation process
+ * - all the rest are constants
+ */
+#define EHR_NUM 1
+#define VN_COEFF 4
+#define EHR_LENGTH CC_TRNG_EHR_IN_BITS
+#define SCALE_VALUE 2
+#define CCTRNG_TIMEOUT(smpl_cnt) \
+ (EHR_NUM * VN_COEFF * EHR_LENGTH * smpl_cnt * SCALE_VALUE)
+
+struct cctrng_drvdata {
+ struct platform_device *pdev;
+ void __iomem *cc_base;
+ struct clk *clk;
+ struct hwrng rng;
+ u32 active_rosc;
+ /* Sampling interval for each ring oscillator:
+ * count of ring oscillator cycles between consecutive bits sampling.
+ * Value of 0 indicates non-valid rosc
+ */
+ u32 smpl_ratio[CC_TRNG_NUM_OF_ROSCS];
+
+ u32 data_buf[CCTRNG_DATA_BUF_WORDS];
+ struct circ_buf circ;
+ struct work_struct compwork;
+ struct work_struct startwork;
+
+ /* pending_hw - 1 when HW is pending, 0 when it is idle */
+ atomic_t pending_hw;
+
+ /* protects against multiple concurrent consumers of data_buf */
+ spinlock_t read_lock;
+};
+
+
+/* functions for write/read CC registers */
+static inline void cc_iowrite(struct cctrng_drvdata *drvdata, u32 reg, u32 val)
+{
+ iowrite32(val, (drvdata->cc_base + reg));
+}
+static inline u32 cc_ioread(struct cctrng_drvdata *drvdata, u32 reg)
+{
+ return ioread32(drvdata->cc_base + reg);
+}
+
+
+static int cc_trng_pm_get(struct device *dev)
+{
+ int rc = 0;
+
+ rc = pm_runtime_get_sync(dev);
+
+ /* pm_runtime_get_sync() can return 1 as a valid return code */
+ return (rc == 1 ? 0 : rc);
+}
+
+static void cc_trng_pm_put_suspend(struct device *dev)
+{
+ int rc = 0;
+
+ pm_runtime_mark_last_busy(dev);
+ rc = pm_runtime_put_autosuspend(dev);
+ if (rc)
+ dev_err(dev, "pm_runtime_put_autosuspend returned %x\n", rc);
+}
+
+static int cc_trng_pm_init(struct cctrng_drvdata *drvdata)
+{
+ struct device *dev = &(drvdata->pdev->dev);
+
+ /* must be before the enabling to avoid redundant suspending */
+ pm_runtime_set_autosuspend_delay(dev, CC_TRNG_SUSPEND_TIMEOUT);
+ pm_runtime_use_autosuspend(dev);
+ /* set us as active - note we won't do PM ops until cc_trng_pm_go()! */
+ return pm_runtime_set_active(dev);
+}
+
+static void cc_trng_pm_go(struct cctrng_drvdata *drvdata)
+{
+ struct device *dev = &(drvdata->pdev->dev);
+
+ /* enable the PM module*/
+ pm_runtime_enable(dev);
+}
+
+static void cc_trng_pm_fini(struct cctrng_drvdata *drvdata)
+{
+ struct device *dev = &(drvdata->pdev->dev);
+
+ pm_runtime_disable(dev);
+}
+
+
+static inline int cc_trng_parse_sampling_ratio(struct cctrng_drvdata *drvdata)
+{
+ struct device *dev = &(drvdata->pdev->dev);
+ struct device_node *np = drvdata->pdev->dev.of_node;
+ int rc;
+ int i;
+ /* ret will be set to 0 if at least one rosc has (sampling ratio > 0) */
+ int ret = -EINVAL;
+
+ rc = of_property_read_u32_array(np, "arm,rosc-ratio",
+ drvdata->smpl_ratio,
+ CC_TRNG_NUM_OF_ROSCS);
+ if (rc) {
+ /* arm,rosc-ratio was not found in device tree */
+ return rc;
+ }
+
+ /* verify that at least one rosc has (sampling ratio > 0) */
+ for (i = 0; i < CC_TRNG_NUM_OF_ROSCS; ++i) {
+ dev_dbg(dev, "rosc %d sampling ratio %u",
+ i, drvdata->smpl_ratio[i]);
+
+ if (drvdata->smpl_ratio[i] > 0)
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static int cc_trng_change_rosc(struct cctrng_drvdata *drvdata)
+{
+ struct device *dev = &(drvdata->pdev->dev);
+
+ dev_dbg(dev, "cctrng change rosc (was %d)\n", drvdata->active_rosc);
+ drvdata->active_rosc += 1;
+
+ while (drvdata->active_rosc < CC_TRNG_NUM_OF_ROSCS) {
+ if (drvdata->smpl_ratio[drvdata->active_rosc] > 0)
+ return 0;
+
+ drvdata->active_rosc += 1;
+ }
+ return -EINVAL;
+}
+
+
+static void cc_trng_enable_rnd_source(struct cctrng_drvdata *drvdata)
+{
+ u32 max_cycles;
+
+ /* Set watchdog threshold to maximal allowed time (in CPU cycles) */
+ max_cycles = CCTRNG_TIMEOUT(drvdata->smpl_ratio[drvdata->active_rosc]);
+ cc_iowrite(drvdata, CC_RNG_WATCHDOG_VAL_REG_OFFSET, max_cycles);
+
+ /* enable the RND source */
+ cc_iowrite(drvdata, CC_RND_SOURCE_ENABLE_REG_OFFSET, 0x1);
+
+ /* unmask RNG interrupts */
+ cc_iowrite(drvdata, CC_RNG_IMR_REG_OFFSET, (u32)~CC_RNG_INT_MASK);
+}
+
+
+/* increase circular data buffer index (head/tail) */
+static inline void circ_idx_inc(int *idx, int bytes)
+{
+ *idx += (bytes + 3) >> 2;
+ *idx &= (CCTRNG_DATA_BUF_WORDS - 1);
+}
+
+static inline size_t circ_buf_space(struct cctrng_drvdata *drvdata)
+{
+ return CIRC_SPACE(drvdata->circ.head,
+ drvdata->circ.tail, CCTRNG_DATA_BUF_WORDS);
+
+}
+
+static int cctrng_read(struct hwrng *rng, void *data, size_t max, bool wait)
+{
+ /* current implementation ignores "wait" */
+
+ struct cctrng_drvdata *drvdata = (struct cctrng_drvdata *)rng->priv;
+ struct device *dev = &(drvdata->pdev->dev);
+ u32 *buf = (u32 *)drvdata->circ.buf;
+ size_t copied = 0;
+ size_t cnt_w;
+ size_t size;
+ size_t left;
+
+ if (!spin_trylock(&drvdata->read_lock)) {
+ /* concurrent consumers from data_buf cannot be served */
+ dev_dbg_ratelimited(dev, "unable to hold lock\n");
+ return 0;
+ }
+
+ /* copy till end of data buffer (without wrap back) */
+ cnt_w = CIRC_CNT_TO_END(drvdata->circ.head,
+ drvdata->circ.tail, CCTRNG_DATA_BUF_WORDS);
+ size = min((cnt_w<<2), max);
+ memcpy(data, &(buf[drvdata->circ.tail]), size);
+ copied = size;
+ circ_idx_inc(&drvdata->circ.tail, size);
+ /* copy rest of data in data buffer */
+ left = max - copied;
+ if (left > 0) {
+ cnt_w = CIRC_CNT(drvdata->circ.head,
+ drvdata->circ.tail, CCTRNG_DATA_BUF_WORDS);
+ size = min((cnt_w<<2), left);
+ memcpy(data, &(buf[drvdata->circ.tail]), size);
+ copied += size;
+ circ_idx_inc(&drvdata->circ.tail, size);
+ }
+
+ spin_unlock(&drvdata->read_lock);
+
+ if (circ_buf_space(drvdata) >= CC_TRNG_EHR_IN_WORDS) {
+ if (atomic_cmpxchg(&drvdata->pending_hw, 0, 1) == 0) {
+ /* re-check space in buffer to avoid potential race */
+ if (circ_buf_space(drvdata) >= CC_TRNG_EHR_IN_WORDS) {
+ /* increment device's usage counter */
+ int rc = cc_trng_pm_get(dev);
+
+ if (rc) {
+ dev_err(dev,
+ "cc_trng_pm_get returned %x\n",
+ rc);
+ return rc;
+ }
+
+ /* schedule execution of deferred work handler
+ * for filling of data buffer
+ */
+ schedule_work(&drvdata->startwork);
+ } else {
+ atomic_set(&drvdata->pending_hw, 0);
+ }
+ }
+ }
+
+ return copied;
+}
+
+static void cc_trng_hw_trigger(struct cctrng_drvdata *drvdata)
+{
+ u32 tmp_smpl_cnt = 0;
+ struct device *dev = &(drvdata->pdev->dev);
+
+ dev_dbg(dev, "cctrng hw trigger.\n");
+
+ /* enable the HW RND clock */
+ cc_iowrite(drvdata, CC_RNG_CLK_ENABLE_REG_OFFSET, 0x1);
+
+ /* do software reset */
+ cc_iowrite(drvdata, CC_RNG_SW_RESET_REG_OFFSET, 0x1);
+ /* in order to verify that the reset has completed,
+ * the sample count need to be verified
+ */
+ do {
+ /* enable the HW RND clock */
+ cc_iowrite(drvdata, CC_RNG_CLK_ENABLE_REG_OFFSET, 0x1);
+
+ /* set sampling ratio (rng_clocks) between consecutive bits */
+ cc_iowrite(drvdata, CC_SAMPLE_CNT1_REG_OFFSET,
+ drvdata->smpl_ratio[drvdata->active_rosc]);
+
+ /* read the sampling ratio */
+ tmp_smpl_cnt = cc_ioread(drvdata, CC_SAMPLE_CNT1_REG_OFFSET);
+
+ } while (tmp_smpl_cnt != drvdata->smpl_ratio[drvdata->active_rosc]);
+
+ /* disable the RND source for setting new parameters in HW */
+ cc_iowrite(drvdata, CC_RND_SOURCE_ENABLE_REG_OFFSET, 0);
+
+ cc_iowrite(drvdata, CC_RNG_ICR_REG_OFFSET, 0xFFFFFFFF);
+
+ cc_iowrite(drvdata, CC_TRNG_CONFIG_REG_OFFSET, drvdata->active_rosc);
+
+ /* Debug Control register: set to 0 - no bypasses */
+ cc_iowrite(drvdata, CC_TRNG_DEBUG_CONTROL_REG_OFFSET, 0);
+
+ cc_trng_enable_rnd_source(drvdata);
+}
+
+static void cc_trng_compwork_handler(struct work_struct *w)
+{
+ u32 isr = 0;
+ u32 ehr_valid = 0;
+ struct cctrng_drvdata *drvdata =
+ container_of(w, struct cctrng_drvdata, compwork);
+ struct device *dev = &(drvdata->pdev->dev);
+ int i;
+
+ /* stop DMA and the RNG source */
+ cc_iowrite(drvdata, CC_RNG_DMA_ENABLE_REG_OFFSET, 0);
+ cc_iowrite(drvdata, CC_RND_SOURCE_ENABLE_REG_OFFSET, 0);
+
+ /* read RNG_ISR and check for errors */
+ isr = cc_ioread(drvdata, CC_RNG_ISR_REG_OFFSET);
+ ehr_valid = CC_REG_FLD_GET(RNG_ISR, EHR_VALID, isr);
+ dev_dbg(dev, "Got RNG_ISR=0x%08X (EHR_VALID=%u)\n", isr, ehr_valid);
+
+ if (fips_enabled && CC_REG_FLD_GET(RNG_ISR, CRNGT_ERR, isr)) {
+ fips_fail_notify();
+ /* FIPS error is fatal */
+ panic("Got HW CRNGT error while fips is enabled!\n");
+ }
+
+ /* Clear all pending RNG interrupts */
+ cc_iowrite(drvdata, CC_RNG_ICR_REG_OFFSET, isr);
+
+
+ if (!ehr_valid) {
+ /* in case of AUTOCORR/TIMEOUT error, try the next ROSC */
+ if (CC_REG_FLD_GET(RNG_ISR, AUTOCORR_ERR, isr) ||
+ CC_REG_FLD_GET(RNG_ISR, WATCHDOG, isr)) {
+ dev_dbg(dev, "cctrng autocorr/timeout error.\n");
+ goto next_rosc;
+ }
+
+ /* in case of VN error, ignore it */
+ }
+
+ /* read EHR data from registers */
+ for (i = 0; i < CC_TRNG_EHR_IN_WORDS; i++) {
+ /* calc word ptr in data_buf */
+ u32 *buf = (u32 *)drvdata->circ.buf;
+
+ buf[drvdata->circ.head] = cc_ioread(drvdata,
+ CC_EHR_DATA_0_REG_OFFSET + (i*sizeof(u32)));
+
+ /* EHR_DATA registers are cleared on read. In case 0 value was
+ * returned, restart the entropy collection.
+ */
+ if (buf[drvdata->circ.head] == 0) {
+ dev_dbg(dev, "Got 0 value in EHR. active_rosc %u\n",
+ drvdata->active_rosc);
+ goto next_rosc;
+ }
+
+ circ_idx_inc(&drvdata->circ.head, 1<<2);
+ }
+
+ atomic_set(&drvdata->pending_hw, 0);
+
+ /* continue to fill data buffer if needed */
+ if (circ_buf_space(drvdata) >= CC_TRNG_EHR_IN_WORDS) {
+ if (atomic_cmpxchg(&drvdata->pending_hw, 0, 1) == 0) {
+ /* Re-enable rnd source */
+ cc_trng_enable_rnd_source(drvdata);
+ return;
+ }
+ }
+
+ cc_trng_pm_put_suspend(dev);
+
+ dev_dbg(dev, "compwork handler done\n");
+ return;
+
+next_rosc:
+ if ((circ_buf_space(drvdata) >= CC_TRNG_EHR_IN_WORDS) &&
+ (cc_trng_change_rosc(drvdata) == 0)) {
+ /* trigger trng hw with next rosc */
+ cc_trng_hw_trigger(drvdata);
+ } else {
+ atomic_set(&drvdata->pending_hw, 0);
+ cc_trng_pm_put_suspend(dev);
+ }
+}
+
+static irqreturn_t cc_isr(int irq, void *dev_id)
+{
+ struct cctrng_drvdata *drvdata = (struct cctrng_drvdata *)dev_id;
+ struct device *dev = &(drvdata->pdev->dev);
+ u32 irr;
+
+ /* if driver suspended return, probably shared interrupt */
+ if (pm_runtime_suspended(dev))
+ return IRQ_NONE;
+
+ /* read the interrupt status */
+ irr = cc_ioread(drvdata, CC_HOST_RGF_IRR_REG_OFFSET);
+ dev_dbg(dev, "Got IRR=0x%08X\n", irr);
+
+ if (irr == 0) /* Probably shared interrupt line */
+ return IRQ_NONE;
+
+ /* clear interrupt - must be before processing events */
+ cc_iowrite(drvdata, CC_HOST_RGF_ICR_REG_OFFSET, irr);
+
+ /* RNG interrupt - most probable */
+ if (irr & CC_HOST_RNG_IRQ_MASK) {
+ /* Mask RNG interrupts - will be unmasked in deferred work */
+ cc_iowrite(drvdata, CC_RNG_IMR_REG_OFFSET, 0xFFFFFFFF);
+
+ /* We clear RNG interrupt here,
+ * to avoid it from firing as we'll unmask RNG interrupts.
+ */
+ cc_iowrite(drvdata, CC_HOST_RGF_ICR_REG_OFFSET,
+ CC_HOST_RNG_IRQ_MASK);
+
+ irr &= ~CC_HOST_RNG_IRQ_MASK;
+
+ /* schedule execution of deferred work handler */
+ schedule_work(&drvdata->compwork);
+ }
+
+ if (irr) {
+ dev_dbg_ratelimited(dev,
+ "IRR includes unknown cause bits (0x%08X)\n",
+ irr);
+ /* Just warning */
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void cc_trng_startwork_handler(struct work_struct *w)
+{
+ struct cctrng_drvdata *drvdata =
+ container_of(w, struct cctrng_drvdata, startwork);
+
+ drvdata->active_rosc = 0;
+ cc_trng_hw_trigger(drvdata);
+}
+
+
+static int cc_trng_clk_init(struct cctrng_drvdata *drvdata)
+{
+ struct clk *clk;
+ struct device *dev = &(drvdata->pdev->dev);
+ int rc = 0;
+
+ clk = devm_clk_get_optional(dev, NULL);
+ if (IS_ERR(clk)) {
+ if (PTR_ERR(clk) != -EPROBE_DEFER)
+ dev_err(dev, "Error getting clock: %pe\n", clk);
+ return PTR_ERR(clk);
+ }
+ drvdata->clk = clk;
+
+ rc = clk_prepare_enable(drvdata->clk);
+ if (rc) {
+ dev_err(dev, "Failed to enable clock\n");
+ return rc;
+ }
+
+ return 0;
+}
+
+static void cc_trng_clk_fini(struct cctrng_drvdata *drvdata)
+{
+ clk_disable_unprepare(drvdata->clk);
+}
+
+
+static int cctrng_probe(struct platform_device *pdev)
+{
+ struct resource *req_mem_cc_regs = NULL;
+ struct cctrng_drvdata *drvdata;
+ struct device *dev = &pdev->dev;
+ int rc = 0;
+ u32 val;
+ int irq;
+
+ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
+ if (!drvdata)
+ return -ENOMEM;
+
+ drvdata->rng.name = devm_kstrdup(dev, dev_name(dev), GFP_KERNEL);
+ if (!drvdata->rng.name)
+ return -ENOMEM;
+
+ drvdata->rng.read = cctrng_read;
+ drvdata->rng.priv = (unsigned long)drvdata;
+ drvdata->rng.quality = CC_TRNG_QUALITY;
+
+ platform_set_drvdata(pdev, drvdata);
+ drvdata->pdev = pdev;
+
+ drvdata->circ.buf = (char *)drvdata->data_buf;
+
+ /* Get device resources */
+ /* First CC registers space */
+ req_mem_cc_regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ /* Map registers space */
+ drvdata->cc_base = devm_ioremap_resource(dev, req_mem_cc_regs);
+ if (IS_ERR(drvdata->cc_base)) {
+ dev_err(dev, "Failed to ioremap registers");
+ return PTR_ERR(drvdata->cc_base);
+ }
+
+ dev_dbg(dev, "Got MEM resource (%s): %pR\n", req_mem_cc_regs->name,
+ req_mem_cc_regs);
+ dev_dbg(dev, "CC registers mapped from %pa to 0x%p\n",
+ &req_mem_cc_regs->start, drvdata->cc_base);
+
+ /* Then IRQ */
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(dev, "Failed getting IRQ resource\n");
+ return irq;
+ }
+
+ /* parse sampling rate from device tree */
+ rc = cc_trng_parse_sampling_ratio(drvdata);
+ if (rc) {
+ dev_err(dev, "Failed to get legal sampling ratio for rosc\n");
+ return rc;
+ }
+
+ rc = cc_trng_clk_init(drvdata);
+ if (rc) {
+ dev_err(dev, "cc_trng_clk_init failed\n");
+ return rc;
+ }
+
+ INIT_WORK(&drvdata->compwork, cc_trng_compwork_handler);
+ INIT_WORK(&drvdata->startwork, cc_trng_startwork_handler);
+ spin_lock_init(&drvdata->read_lock);
+
+ /* register the driver isr function */
+ rc = devm_request_irq(dev, irq, cc_isr, IRQF_SHARED, "cctrng", drvdata);
+ if (rc) {
+ dev_err(dev, "Could not register to interrupt %d\n", irq);
+ goto post_clk_err;
+ }
+ dev_dbg(dev, "Registered to IRQ: %d\n", irq);
+
+ /* Clear all pending interrupts */
+ val = cc_ioread(drvdata, CC_HOST_RGF_IRR_REG_OFFSET);
+ dev_dbg(dev, "IRR=0x%08X\n", val);
+ cc_iowrite(drvdata, CC_HOST_RGF_ICR_REG_OFFSET, val);
+
+ /* unmask HOST RNG interrupt */
+ cc_iowrite(drvdata, CC_HOST_RGF_IMR_REG_OFFSET,
+ cc_ioread(drvdata, CC_HOST_RGF_IMR_REG_OFFSET) &
+ ~CC_HOST_RNG_IRQ_MASK);
+
+ /* init PM */
+ rc = cc_trng_pm_init(drvdata);
+ if (rc) {
+ dev_err(dev, "cc_trng_pm_init failed\n");
+ goto post_clk_err;
+ }
+
+ /* increment device's usage counter */
+ rc = cc_trng_pm_get(dev);
+ if (rc) {
+ dev_err(dev, "cc_trng_pm_get returned %x\n", rc);
+ goto post_pm_err;
+ }
+
+ /* set pending_hw to verify that HW won't be triggered from read */
+ atomic_set(&drvdata->pending_hw, 1);
+
+ /* registration of the hwrng device */
+ rc = hwrng_register(&drvdata->rng);
+ if (rc) {
+ dev_err(dev, "Could not register hwrng device.\n");
+ goto post_pm_err;
+ }
+
+ /* trigger HW to start generate data */
+ drvdata->active_rosc = 0;
+ cc_trng_hw_trigger(drvdata);
+
+ /* All set, we can allow auto-suspend */
+ cc_trng_pm_go(drvdata);
+
+ dev_info(dev, "ARM cctrng device initialized\n");
+
+ return 0;
+
+post_pm_err:
+ cc_trng_pm_fini(drvdata);
+
+post_clk_err:
+ cc_trng_clk_fini(drvdata);
+
+ return rc;
+}
+
+static int cctrng_remove(struct platform_device *pdev)
+{
+ struct cctrng_drvdata *drvdata = platform_get_drvdata(pdev);
+ struct device *dev = &pdev->dev;
+
+ dev_dbg(dev, "Releasing cctrng resources...\n");
+
+ hwrng_unregister(&drvdata->rng);
+
+ cc_trng_pm_fini(drvdata);
+
+ cc_trng_clk_fini(drvdata);
+
+ dev_info(dev, "ARM cctrng device terminated\n");
+
+ return 0;
+}
+
+static int __maybe_unused cctrng_suspend(struct device *dev)
+{
+ struct cctrng_drvdata *drvdata = dev_get_drvdata(dev);
+
+ dev_dbg(dev, "set HOST_POWER_DOWN_EN\n");
+ cc_iowrite(drvdata, CC_HOST_POWER_DOWN_EN_REG_OFFSET,
+ POWER_DOWN_ENABLE);
+
+ clk_disable_unprepare(drvdata->clk);
+
+ return 0;
+}
+
+static bool cctrng_wait_for_reset_completion(struct cctrng_drvdata *drvdata)
+{
+ unsigned int val;
+ unsigned int i;
+
+ for (i = 0; i < CC_HW_RESET_LOOP_COUNT; i++) {
+ /* in cc7x3 NVM_IS_IDLE indicates that CC reset is
+ * completed and device is fully functional
+ */
+ val = cc_ioread(drvdata, CC_NVM_IS_IDLE_REG_OFFSET);
+ if (val & BIT(CC_NVM_IS_IDLE_VALUE_BIT_SHIFT)) {
+ /* hw indicate reset completed */
+ return true;
+ }
+ /* allow scheduling other process on the processor */
+ schedule();
+ }
+ /* reset not completed */
+ return false;
+}
+
+static int __maybe_unused cctrng_resume(struct device *dev)
+{
+ struct cctrng_drvdata *drvdata = dev_get_drvdata(dev);
+ int rc;
+
+ dev_dbg(dev, "unset HOST_POWER_DOWN_EN\n");
+ /* Enables the device source clk */
+ rc = clk_prepare_enable(drvdata->clk);
+ if (rc) {
+ dev_err(dev, "failed getting clock back on. We're toast.\n");
+ return rc;
+ }
+
+ /* wait for Cryptocell reset completion */
+ if (!cctrng_wait_for_reset_completion(drvdata)) {
+ dev_err(dev, "Cryptocell reset not completed");
+ return -EBUSY;
+ }
+
+ /* unmask HOST RNG interrupt */
+ cc_iowrite(drvdata, CC_HOST_RGF_IMR_REG_OFFSET,
+ cc_ioread(drvdata, CC_HOST_RGF_IMR_REG_OFFSET) &
+ ~CC_HOST_RNG_IRQ_MASK);
+
+ cc_iowrite(drvdata, CC_HOST_POWER_DOWN_EN_REG_OFFSET,
+ POWER_DOWN_DISABLE);
+
+ return 0;
+}
+
+static UNIVERSAL_DEV_PM_OPS(cctrng_pm, cctrng_suspend, cctrng_resume, NULL);
+
+static const struct of_device_id arm_cctrng_dt_match[] = {
+ { .compatible = "arm,cryptocell-713-trng", },
+ { .compatible = "arm,cryptocell-703-trng", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, arm_cctrng_dt_match);
+
+static struct platform_driver cctrng_driver = {
+ .driver = {
+ .name = "cctrng",
+ .of_match_table = arm_cctrng_dt_match,
+ .pm = &cctrng_pm,
+ },
+ .probe = cctrng_probe,
+ .remove = cctrng_remove,
+};
+
+static int __init cctrng_mod_init(void)
+{
+ /* Compile time assertion checks */
+ BUILD_BUG_ON(CCTRNG_DATA_BUF_WORDS < 6);
+ BUILD_BUG_ON((CCTRNG_DATA_BUF_WORDS & (CCTRNG_DATA_BUF_WORDS-1)) != 0);
+
+ return platform_driver_register(&cctrng_driver);
+}
+module_init(cctrng_mod_init);
+
+static void __exit cctrng_mod_exit(void)
+{
+ platform_driver_unregister(&cctrng_driver);
+}
+module_exit(cctrng_mod_exit);
+
+/* Module description */
+MODULE_DESCRIPTION("ARM CryptoCell TRNG Driver");
+MODULE_AUTHOR("ARM");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/char/hw_random/cctrng.h b/drivers/char/hw_random/cctrng.h
new file mode 100644
index 000000000000..1f2fde95adcb
--- /dev/null
+++ b/drivers/char/hw_random/cctrng.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2019-2020 ARM Limited or its affiliates. */
+
+#include <linux/bitops.h>
+
+#define POWER_DOWN_ENABLE 0x01
+#define POWER_DOWN_DISABLE 0x00
+
+/* hwrng quality: bits of true entropy per 1024 bits of input */
+#define CC_TRNG_QUALITY 1024
+
+/* CryptoCell TRNG HW definitions */
+#define CC_TRNG_NUM_OF_ROSCS 4
+/* The number of words generated in the entropy holding register (EHR)
+ * 6 words (192 bit) according to HW implementation
+ */
+#define CC_TRNG_EHR_IN_WORDS 6
+#define CC_TRNG_EHR_IN_BITS (CC_TRNG_EHR_IN_WORDS * BITS_PER_TYPE(u32))
+
+#define CC_HOST_RNG_IRQ_MASK BIT(CC_HOST_RGF_IRR_RNG_INT_BIT_SHIFT)
+
+/* RNG interrupt mask */
+#define CC_RNG_INT_MASK (BIT(CC_RNG_IMR_EHR_VALID_INT_MASK_BIT_SHIFT) | \
+ BIT(CC_RNG_IMR_AUTOCORR_ERR_INT_MASK_BIT_SHIFT) | \
+ BIT(CC_RNG_IMR_CRNGT_ERR_INT_MASK_BIT_SHIFT) | \
+ BIT(CC_RNG_IMR_VN_ERR_INT_MASK_BIT_SHIFT) | \
+ BIT(CC_RNG_IMR_WATCHDOG_INT_MASK_BIT_SHIFT))
+
+// --------------------------------------
+// BLOCK: RNG
+// --------------------------------------
+#define CC_RNG_IMR_REG_OFFSET 0x0100UL
+#define CC_RNG_IMR_EHR_VALID_INT_MASK_BIT_SHIFT 0x0UL
+#define CC_RNG_IMR_AUTOCORR_ERR_INT_MASK_BIT_SHIFT 0x1UL
+#define CC_RNG_IMR_CRNGT_ERR_INT_MASK_BIT_SHIFT 0x2UL
+#define CC_RNG_IMR_VN_ERR_INT_MASK_BIT_SHIFT 0x3UL
+#define CC_RNG_IMR_WATCHDOG_INT_MASK_BIT_SHIFT 0x4UL
+#define CC_RNG_ISR_REG_OFFSET 0x0104UL
+#define CC_RNG_ISR_EHR_VALID_BIT_SHIFT 0x0UL
+#define CC_RNG_ISR_EHR_VALID_BIT_SIZE 0x1UL
+#define CC_RNG_ISR_AUTOCORR_ERR_BIT_SHIFT 0x1UL
+#define CC_RNG_ISR_AUTOCORR_ERR_BIT_SIZE 0x1UL
+#define CC_RNG_ISR_CRNGT_ERR_BIT_SHIFT 0x2UL
+#define CC_RNG_ISR_CRNGT_ERR_BIT_SIZE 0x1UL
+#define CC_RNG_ISR_WATCHDOG_BIT_SHIFT 0x4UL
+#define CC_RNG_ISR_WATCHDOG_BIT_SIZE 0x1UL
+#define CC_RNG_ICR_REG_OFFSET 0x0108UL
+#define CC_TRNG_CONFIG_REG_OFFSET 0x010CUL
+#define CC_EHR_DATA_0_REG_OFFSET 0x0114UL
+#define CC_RND_SOURCE_ENABLE_REG_OFFSET 0x012CUL
+#define CC_SAMPLE_CNT1_REG_OFFSET 0x0130UL
+#define CC_TRNG_DEBUG_CONTROL_REG_OFFSET 0x0138UL
+#define CC_RNG_SW_RESET_REG_OFFSET 0x0140UL
+#define CC_RNG_CLK_ENABLE_REG_OFFSET 0x01C4UL
+#define CC_RNG_DMA_ENABLE_REG_OFFSET 0x01C8UL
+#define CC_RNG_WATCHDOG_VAL_REG_OFFSET 0x01D8UL
+// --------------------------------------
+// BLOCK: SEC_HOST_RGF
+// --------------------------------------
+#define CC_HOST_RGF_IRR_REG_OFFSET 0x0A00UL
+#define CC_HOST_RGF_IRR_RNG_INT_BIT_SHIFT 0xAUL
+#define CC_HOST_RGF_IMR_REG_OFFSET 0x0A04UL
+#define CC_HOST_RGF_ICR_REG_OFFSET 0x0A08UL
+
+#define CC_HOST_POWER_DOWN_EN_REG_OFFSET 0x0A78UL
+
+// --------------------------------------
+// BLOCK: NVM
+// --------------------------------------
+#define CC_NVM_IS_IDLE_REG_OFFSET 0x0F10UL
+#define CC_NVM_IS_IDLE_VALUE_BIT_SHIFT 0x0UL
+#define CC_NVM_IS_IDLE_VALUE_BIT_SIZE 0x1UL
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 65952393e1bb..7290c603fcb8 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -392,11 +392,8 @@ static int of_get_omap_rng_device_details(struct omap_rng_dev *priv,
if (of_device_is_compatible(dev->of_node, "ti,omap4-rng") ||
of_device_is_compatible(dev->of_node, "inside-secure,safexcel-eip76")) {
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "%s: error getting IRQ resource - %d\n",
- __func__, irq);
+ if (irq < 0)
return irq;
- }
err = devm_request_irq(dev, irq, omap4_rng_irq,
IRQF_TRIGGER_NONE, dev_name(dev), priv);
diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
index ddfbabaa5f8f..49b2e02537dd 100644
--- a/drivers/char/hw_random/optee-rng.c
+++ b/drivers/char/hw_random/optee-rng.c
@@ -226,7 +226,7 @@ static int optee_rng_probe(struct device *dev)
return -ENODEV;
/* Open session with hwrng Trusted App */
- memcpy(sess_arg.uuid, rng_device->id.uuid.b, TEE_IOCTL_UUID_LEN);
+ export_uuid(sess_arg.uuid, &rng_device->id.uuid);
sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC;
sess_arg.num_params = 0;
diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c
index 718d8c087650..79a6e47b5fbc 100644
--- a/drivers/char/hw_random/virtio-rng.c
+++ b/drivers/char/hw_random/virtio-rng.c
@@ -11,6 +11,7 @@
#include <linux/virtio.h>
#include <linux/virtio_rng.h>
#include <linux/module.h>
+#include <linux/slab.h>
static DEFINE_IDA(rng_index_ida);
diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c
index d7516a446987..008e6db9ce01 100644
--- a/drivers/char/hw_random/xgene-rng.c
+++ b/drivers/char/hw_random/xgene-rng.c
@@ -328,10 +328,8 @@ static int xgene_rng_probe(struct platform_device *pdev)
return PTR_ERR(ctx->csr_base);
rc = platform_get_irq(pdev, 0);
- if (rc < 0) {
- dev_err(&pdev->dev, "No IRQ resource\n");
+ if (rc < 0)
return rc;
- }
ctx->irq = rc;
dev_dbg(&pdev->dev, "APM X-Gene RNG BASE %p ALARM IRQ %d",
diff --git a/drivers/char/ipmi/Kconfig b/drivers/char/ipmi/Kconfig
index 7dc2c3ec4051..07847d9a459a 100644
--- a/drivers/char/ipmi/Kconfig
+++ b/drivers/char/ipmi/Kconfig
@@ -14,7 +14,7 @@ menuconfig IPMI_HANDLER
IPMI is a standard for managing sensors (temperature,
voltage, etc.) in a system.
- See <file:Documentation/IPMI.txt> for more details on the driver.
+ See <file:Documentation/driver-api/ipmi.rst> for more details on the driver.
If unsure, say N.
diff --git a/drivers/char/ipmi/ipmi_si_hotmod.c b/drivers/char/ipmi/ipmi_si_hotmod.c
index 42a925f8cf69..4fbb4e18bae2 100644
--- a/drivers/char/ipmi/ipmi_si_hotmod.c
+++ b/drivers/char/ipmi/ipmi_si_hotmod.c
@@ -18,7 +18,7 @@ static int hotmod_handler(const char *val, const struct kernel_param *kp);
module_param_call(hotmod, hotmod_handler, NULL, NULL, 0200);
MODULE_PARM_DESC(hotmod, "Add and remove interfaces. See"
- " Documentation/IPMI.txt in the kernel sources for the"
+ " Documentation/driver-api/ipmi.rst in the kernel sources for the"
" gory details.");
/*
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index c7cc8538b84a..77b8d551ae7f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -968,7 +968,7 @@ static inline bool ipmi_thread_busy_wait(enum si_sm_result smi_result,
* that are not BT and do not have interrupts. It starts spinning
* when an operation is complete or until max_busy tells it to stop
* (if that is enabled). See the paragraph on kimid_max_busy_us in
- * Documentation/IPMI.txt for details.
+ * Documentation/driver-api/ipmi.rst for details.
*/
static int ipmi_thread(void *data)
{
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index b7145f370d3b..2704470e021d 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -1947,8 +1947,8 @@ static int ssif_adapter_handler(struct device *adev, void *opaque)
if (adev->type != &i2c_adapter_type)
return 0;
- addr_info->added_client = i2c_new_device(to_i2c_adapter(adev),
- &addr_info->binfo);
+ addr_info->added_client = i2c_new_client_device(to_i2c_adapter(adev),
+ &addr_info->binfo);
if (!addr_info->adapter_name)
return 1; /* Only try the first I2C adapter by default. */
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 4667844eee69..8206412d25ba 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -232,8 +232,6 @@ static ssize_t nvram_misc_read(struct file *file, char __user *buf,
ssize_t ret;
- if (!access_ok(buf, count))
- return -EFAULT;
if (*ppos >= nvram_size)
return 0;
@@ -264,8 +262,6 @@ static ssize_t nvram_misc_write(struct file *file, const char __user *buf,
char *tmp;
ssize_t ret;
- if (!access_ok(buf, count))
- return -EFAULT;
if (*ppos >= nvram_size)
return 0;
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 4edb4174a1e2..89681f07bc78 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1404,7 +1404,6 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
unsigned int iobase = dev->p_dev->resource[0]->start;
struct inode *inode = file_inode(filp);
struct pcmcia_device *link;
- int size;
int rc;
void __user *argp = (void __user *)arg;
#ifdef CM4000_DEBUG
@@ -1441,19 +1440,6 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
DEBUGP(4, dev, "iocnr mismatch\n");
goto out;
}
- size = _IOC_SIZE(cmd);
- rc = -EFAULT;
- DEBUGP(4, dev, "iocdir=%.4x iocr=%.4x iocw=%.4x iocsize=%d cmd=%.4x\n",
- _IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
-
- if (_IOC_DIR(cmd) & _IOC_READ) {
- if (!access_ok(argp, size))
- goto out;
- }
- if (_IOC_DIR(cmd) & _IOC_WRITE) {
- if (!access_ok(argp, size))
- goto out;
- }
rc = 0;
switch (cmd) {
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 0d10e31fd342..a7cf6aa65908 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -327,7 +327,6 @@
#include <linux/spinlock.h>
#include <linux/kthread.h>
#include <linux/percpu.h>
-#include <linux/cryptohash.h>
#include <linux/fips.h>
#include <linux/ptrace.h>
#include <linux/workqueue.h>
@@ -337,6 +336,7 @@
#include <linux/completion.h>
#include <linux/uuid.h>
#include <crypto/chacha.h>
+#include <crypto/sha.h>
#include <asm/processor.h>
#include <linux/uaccess.h>
@@ -1397,14 +1397,14 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
__u32 w[5];
unsigned long l[LONGS(20)];
} hash;
- __u32 workspace[SHA_WORKSPACE_WORDS];
+ __u32 workspace[SHA1_WORKSPACE_WORDS];
unsigned long flags;
/*
* If we have an architectural hardware random number
* generator, use it for SHA's initial vector
*/
- sha_init(hash.w);
+ sha1_init(hash.w);
for (i = 0; i < LONGS(20); i++) {
unsigned long v;
if (!arch_get_random_long(&v))
@@ -1415,7 +1415,7 @@ static void extract_buf(struct entropy_store *r, __u8 *out)
/* Generate a hash across the pool, 16 words (512 bits) at a time */
spin_lock_irqsave(&r->lock, flags);
for (i = 0; i < r->poolinfo->poolwords; i += 16)
- sha_transform(hash.w, (__u8 *)(r->pool + i), workspace);
+ sha1_transform(hash.w, (__u8 *)(r->pool + i), workspace);
/*
* We mix the hash back into the pool to prevent backtracking
@@ -2057,7 +2057,7 @@ static char sysctl_bootid[16];
* sysctl system call, as 16 bytes of binary data.
*/
static int proc_do_uuid(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table fake_table;
unsigned char buf[64], tmp_uuid[16], *uuid;
diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c
index e741b1157525..37a05800980c 100644
--- a/drivers/char/tpm/eventlog/tpm2.c
+++ b/drivers/char/tpm/eventlog/tpm2.c
@@ -51,8 +51,7 @@ static void *tpm2_bios_measurements_start(struct seq_file *m, loff_t *pos)
int i;
event_header = addr;
- size = sizeof(struct tcg_pcr_event) - sizeof(event_header->event)
- + event_header->event_size;
+ size = struct_size(event_header, event, event_header->event_size);
if (*pos == 0) {
if (addr + size < limit) {
@@ -98,8 +97,8 @@ static void *tpm2_bios_measurements_next(struct seq_file *m, void *v,
event_header = log->bios_event_log;
if (v == SEQ_START_TOKEN) {
- event_size = sizeof(struct tcg_pcr_event) -
- sizeof(event_header->event) + event_header->event_size;
+ event_size = struct_size(event_header, event,
+ event_header->event_size);
marker = event_header;
} else {
event = v;
@@ -136,9 +135,8 @@ static int tpm2_binary_bios_measurements_show(struct seq_file *m, void *v)
size_t size;
if (v == SEQ_START_TOKEN) {
- size = sizeof(struct tcg_pcr_event) -
- sizeof(event_header->event) + event_header->event_size;
-
+ size = struct_size(event_header, event,
+ event_header->event_size);
temp_ptr = event_header;
if (size > 0)
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index a438b1206fcb..1621ce818705 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -323,7 +323,7 @@ int tpm_pcr_extend(struct tpm_chip *chip, u32 pcr_idx,
for (i = 0; i < chip->nr_allocated_banks; i++) {
if (digests[i].alg_id != chip->allocated_banks[i].alg_id) {
- rc = EINVAL;
+ rc = -EINVAL;
goto out;
}
}
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 76f67b155bd5..eff1f12d981a 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -681,6 +681,7 @@ out:
rc = -ENODEV;
return rc;
}
+EXPORT_SYMBOL_GPL(tpm2_get_cc_attrs_tbl);
/**
* tpm2_startup - turn on the TPM
diff --git a/drivers/char/tpm/tpm_ftpm_tee.c b/drivers/char/tpm/tpm_ftpm_tee.c
index 22bf553ccf9d..2491a2cb54a2 100644
--- a/drivers/char/tpm/tpm_ftpm_tee.c
+++ b/drivers/char/tpm/tpm_ftpm_tee.c
@@ -241,7 +241,7 @@ static int ftpm_tee_probe(struct platform_device *pdev)
/* Open a session with fTPM TA */
memset(&sess_arg, 0, sizeof(sess_arg));
- memcpy(sess_arg.uuid, ftpm_ta_uuid.b, TEE_IOCTL_UUID_LEN);
+ export_uuid(sess_arg.uuid, &ftpm_ta_uuid);
sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC;
sess_arg.num_params = 0;
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 1a49db9e108e..09fe45246b8c 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * Copyright (C) 2012 IBM Corporation
+ * Copyright (C) 2012-2020 IBM Corporation
*
* Author: Ashley Lai <ashleydlai@gmail.com>
*
@@ -135,6 +135,64 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
}
/**
+ * ibmvtpm_crq_send_init - Send a CRQ initialize message
+ * @ibmvtpm: vtpm device struct
+ *
+ * Return:
+ * 0 on success.
+ * Non-zero on failure.
+ */
+static int ibmvtpm_crq_send_init(struct ibmvtpm_dev *ibmvtpm)
+{
+ int rc;
+
+ rc = ibmvtpm_send_crq_word(ibmvtpm->vdev, INIT_CRQ_CMD);
+ if (rc != H_SUCCESS)
+ dev_err(ibmvtpm->dev,
+ "%s failed rc=%d\n", __func__, rc);
+
+ return rc;
+}
+
+/**
+ * tpm_ibmvtpm_resume - Resume from suspend
+ *
+ * @dev: device struct
+ *
+ * Return: Always 0.
+ */
+static int tpm_ibmvtpm_resume(struct device *dev)
+{
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+ struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
+ int rc = 0;
+
+ do {
+ if (rc)
+ msleep(100);
+ rc = plpar_hcall_norets(H_ENABLE_CRQ,
+ ibmvtpm->vdev->unit_address);
+ } while (rc == H_IN_PROGRESS || rc == H_BUSY || H_IS_LONG_BUSY(rc));
+
+ if (rc) {
+ dev_err(dev, "Error enabling ibmvtpm rc=%d\n", rc);
+ return rc;
+ }
+
+ rc = vio_enable_interrupts(ibmvtpm->vdev);
+ if (rc) {
+ dev_err(dev, "Error vio_enable_interrupts rc=%d\n", rc);
+ return rc;
+ }
+
+ rc = ibmvtpm_crq_send_init(ibmvtpm);
+ if (rc)
+ dev_err(dev, "Error send_init rc=%d\n", rc);
+
+ return rc;
+}
+
+/**
* tpm_ibmvtpm_send() - Send a TPM command
* @chip: tpm chip struct
* @buf: buffer contains data to send
@@ -147,6 +205,7 @@ static int tpm_ibmvtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
+ bool retry = true;
int rc, sig;
if (!ibmvtpm->rtce_buf) {
@@ -180,18 +239,27 @@ static int tpm_ibmvtpm_send(struct tpm_chip *chip, u8 *buf, size_t count)
*/
ibmvtpm->tpm_processing_cmd = true;
+again:
rc = ibmvtpm_send_crq(ibmvtpm->vdev,
IBMVTPM_VALID_CMD, VTPM_TPM_COMMAND,
count, ibmvtpm->rtce_dma_handle);
if (rc != H_SUCCESS) {
+ /*
+ * H_CLOSED can be returned after LPM resume. Call
+ * tpm_ibmvtpm_resume() to re-enable the CRQ then retry
+ * ibmvtpm_send_crq() once before failing.
+ */
+ if (rc == H_CLOSED && retry) {
+ tpm_ibmvtpm_resume(ibmvtpm->dev);
+ retry = false;
+ goto again;
+ }
dev_err(ibmvtpm->dev, "tpm_ibmvtpm_send failed rc=%d\n", rc);
- rc = 0;
ibmvtpm->tpm_processing_cmd = false;
- } else
- rc = 0;
+ }
spin_unlock(&ibmvtpm->rtce_lock);
- return rc;
+ return 0;
}
static void tpm_ibmvtpm_cancel(struct tpm_chip *chip)
@@ -270,26 +338,6 @@ static int ibmvtpm_crq_send_init_complete(struct ibmvtpm_dev *ibmvtpm)
}
/**
- * ibmvtpm_crq_send_init - Send a CRQ initialize message
- * @ibmvtpm: vtpm device struct
- *
- * Return:
- * 0 on success.
- * Non-zero on failure.
- */
-static int ibmvtpm_crq_send_init(struct ibmvtpm_dev *ibmvtpm)
-{
- int rc;
-
- rc = ibmvtpm_send_crq_word(ibmvtpm->vdev, INIT_CRQ_CMD);
- if (rc != H_SUCCESS)
- dev_err(ibmvtpm->dev,
- "ibmvtpm_crq_send_init failed rc=%d\n", rc);
-
- return rc;
-}
-
-/**
* tpm_ibmvtpm_remove - ibm vtpm remove entry point
* @vdev: vio device struct
*
@@ -401,44 +449,6 @@ static int ibmvtpm_reset_crq(struct ibmvtpm_dev *ibmvtpm)
ibmvtpm->crq_dma_handle, CRQ_RES_BUF_SIZE);
}
-/**
- * tpm_ibmvtpm_resume - Resume from suspend
- *
- * @dev: device struct
- *
- * Return: Always 0.
- */
-static int tpm_ibmvtpm_resume(struct device *dev)
-{
- struct tpm_chip *chip = dev_get_drvdata(dev);
- struct ibmvtpm_dev *ibmvtpm = dev_get_drvdata(&chip->dev);
- int rc = 0;
-
- do {
- if (rc)
- msleep(100);
- rc = plpar_hcall_norets(H_ENABLE_CRQ,
- ibmvtpm->vdev->unit_address);
- } while (rc == H_IN_PROGRESS || rc == H_BUSY || H_IS_LONG_BUSY(rc));
-
- if (rc) {
- dev_err(dev, "Error enabling ibmvtpm rc=%d\n", rc);
- return rc;
- }
-
- rc = vio_enable_interrupts(ibmvtpm->vdev);
- if (rc) {
- dev_err(dev, "Error vio_enable_interrupts rc=%d\n", rc);
- return rc;
- }
-
- rc = ibmvtpm_crq_send_init(ibmvtpm);
- if (rc)
- dev_err(dev, "Error send_init rc=%d\n", rc);
-
- return rc;
-}
-
static bool tpm_ibmvtpm_req_canceled(struct tpm_chip *chip, u8 status)
{
return (status == 0);
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index 27c6ca031e23..2435216bd10a 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -433,6 +433,9 @@ static void disable_interrupts(struct tpm_chip *chip)
u32 intmask;
int rc;
+ if (priv->irq == 0)
+ return;
+
rc = tpm_tis_read32(priv, TPM_INT_ENABLE(priv->locality), &intmask);
if (rc < 0)
intmask = 0;
@@ -1062,9 +1065,12 @@ int tpm_tis_core_init(struct device *dev, struct tpm_tis_data *priv, int irq,
if (irq) {
tpm_tis_probe_irq_single(chip, intmask, IRQF_SHARED,
irq);
- if (!(chip->flags & TPM_CHIP_FLAG_IRQ))
+ if (!(chip->flags & TPM_CHIP_FLAG_IRQ)) {
dev_err(&chip->dev, FW_BUG
"TPM interrupt not working, polling instead\n");
+
+ disable_interrupts(chip);
+ }
} else {
tpm_tis_probe_irq(chip, intmask);
}
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 3cbaec925606..00c5e3acee46 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -871,7 +871,7 @@ static int pipe_to_sg(struct pipe_inode_info *pipe, struct pipe_buffer *buf,
return 0;
/* Try lock this page */
- if (pipe_buf_steal(pipe, buf) == 0) {
+ if (pipe_buf_try_steal(pipe, buf)) {
/* Get reference and unlock page for moving */
get_page(buf->page);
unlock_page(buf->page);
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index d5946f7486d6..374afcab89af 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -95,6 +95,7 @@ struct clockgen {
};
static struct clockgen clockgen;
+static bool add_cpufreq_dev __initdata;
static void cg_out(struct clockgen *cg, u32 val, u32 __iomem *reg)
{
@@ -1019,7 +1020,7 @@ static void __init create_muxes(struct clockgen *cg)
}
}
-static void __init clockgen_init(struct device_node *np);
+static void __init _clockgen_init(struct device_node *np, bool legacy);
/*
* Legacy nodes may get probed before the parent clockgen node.
@@ -1030,7 +1031,7 @@ static void __init clockgen_init(struct device_node *np);
static void __init legacy_init_clockgen(struct device_node *np)
{
if (!clockgen.node)
- clockgen_init(of_get_parent(np));
+ _clockgen_init(of_get_parent(np), true);
}
/* Legacy node */
@@ -1447,7 +1448,7 @@ static bool __init has_erratum_a4510(void)
}
#endif
-static void __init clockgen_init(struct device_node *np)
+static void __init _clockgen_init(struct device_node *np, bool legacy)
{
int i, ret;
bool is_old_ls1021a = false;
@@ -1516,12 +1517,35 @@ static void __init clockgen_init(struct device_node *np)
__func__, np, ret);
}
+ /* Don't create cpufreq device for legacy clockgen blocks */
+ add_cpufreq_dev = !legacy;
+
return;
err:
iounmap(clockgen.regs);
clockgen.regs = NULL;
}
+static void __init clockgen_init(struct device_node *np)
+{
+ _clockgen_init(np, false);
+}
+
+static int __init clockgen_cpufreq_init(void)
+{
+ struct platform_device *pdev;
+
+ if (add_cpufreq_dev) {
+ pdev = platform_device_register_simple("qoriq-cpufreq", -1,
+ NULL, 0);
+ if (IS_ERR(pdev))
+ pr_err("Couldn't register qoriq-cpufreq err=%ld\n",
+ PTR_ERR(pdev));
+ }
+ return 0;
+}
+device_initcall(clockgen_cpufreq_init);
+
CLK_OF_DECLARE(qoriq_clockgen_1, "fsl,qoriq-clockgen-1.0", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_2, "fsl,qoriq-clockgen-2.0", clockgen_init);
CLK_OF_DECLARE(qoriq_clockgen_b4420, "fsl,b4420-clockgen", clockgen_init);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 39c59f063aa0..407f6919604c 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -114,7 +114,11 @@ static int clk_pm_runtime_get(struct clk_core *core)
return 0;
ret = pm_runtime_get_sync(core->dev);
- return ret < 0 ? ret : 0;
+ if (ret < 0) {
+ pm_runtime_put_noidle(core->dev);
+ return ret;
+ }
+ return 0;
}
static void clk_pm_runtime_put(struct clk_core *core)
@@ -3519,6 +3523,9 @@ static int __clk_core_init(struct clk_core *core)
out:
clk_pm_runtime_put(core);
unlock:
+ if (ret)
+ hlist_del_init(&core->child_node);
+
clk_prepare_unlock();
if (!ret)
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index 11ec6f466467..abb121f8de52 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -377,6 +377,7 @@ config SM_GCC_8150
config SM_GCC_8250
tristate "SM8250 Global Clock Controller"
+ select QCOM_GDSC
help
Support for the global clock controller on SM8250 devices.
Say Y if you want to use peripheral devices such as UART,
diff --git a/drivers/clk/qcom/gcc-sm8150.c b/drivers/clk/qcom/gcc-sm8150.c
index ef98fdc51755..732bc7c937e6 100644
--- a/drivers/clk/qcom/gcc-sm8150.c
+++ b/drivers/clk/qcom/gcc-sm8150.c
@@ -76,8 +76,7 @@ static struct clk_alpha_pll_postdiv gpll0_out_even = {
.clkr.hw.init = &(struct clk_init_data){
.name = "gpll0_out_even",
.parent_data = &(const struct clk_parent_data){
- .fw_name = "bi_tcxo",
- .name = "bi_tcxo",
+ .hw = &gpll0.clkr.hw,
},
.num_parents = 1,
.ops = &clk_trion_pll_postdiv_ops,
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c
index d17cfb7a3ff4..d7243c09cc84 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -156,8 +156,6 @@ PNAME(mux_i2s_out_p) = { "i2s1_pre", "xin12m" };
PNAME(mux_i2s2_p) = { "i2s2_src", "i2s2_frac", "xin12m" };
PNAME(mux_sclk_spdif_p) = { "sclk_spdif_src", "spdif_frac", "xin12m" };
-PNAME(mux_aclk_gpu_pre_p) = { "cpll_gpu", "gpll_gpu", "hdmiphy_gpu", "usb480m_gpu" };
-
PNAME(mux_uart0_p) = { "uart0_src", "uart0_frac", "xin24m" };
PNAME(mux_uart1_p) = { "uart1_src", "uart1_frac", "xin24m" };
PNAME(mux_uart2_p) = { "uart2_src", "uart2_frac", "xin24m" };
@@ -468,16 +466,9 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKSEL_CON(24), 6, 10, DFLAGS,
RK2928_CLKGATE_CON(2), 8, GFLAGS),
- GATE(0, "cpll_gpu", "cpll", 0,
- RK2928_CLKGATE_CON(3), 13, GFLAGS),
- GATE(0, "gpll_gpu", "gpll", 0,
- RK2928_CLKGATE_CON(3), 13, GFLAGS),
- GATE(0, "hdmiphy_gpu", "hdmiphy", 0,
- RK2928_CLKGATE_CON(3), 13, GFLAGS),
- GATE(0, "usb480m_gpu", "usb480m", 0,
+ COMPOSITE(0, "aclk_gpu_pre", mux_pll_src_4plls_p, 0,
+ RK2928_CLKSEL_CON(34), 5, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 13, GFLAGS),
- COMPOSITE_NOGATE(0, "aclk_gpu_pre", mux_aclk_gpu_pre_p, 0,
- RK2928_CLKSEL_CON(34), 5, 2, MFLAGS, 0, 5, DFLAGS),
COMPOSITE(SCLK_SPI0, "sclk_spi0", mux_pll_src_2plls_p, 0,
RK2928_CLKSEL_CON(25), 8, 1, MFLAGS, 0, 7, DFLAGS,
@@ -582,8 +573,8 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(0, "pclk_peri_noc", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(12), 2, GFLAGS),
/* PD_GPU */
- GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 14, GFLAGS),
- GATE(0, "aclk_gpu_noc", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(13), 15, GFLAGS),
+ GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
+ GATE(0, "aclk_gpu_noc", "aclk_gpu_pre", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
/* PD_BUS */
GATE(0, "sclk_initmem_mbist", "aclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 64e229ddf2a5..e931319dcc9d 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -1292,7 +1292,7 @@ static struct tegra_clk_init_table common_init_table[] __initdata = {
{ TEGRA124_CLK_UARTB, TEGRA124_CLK_PLL_P, 408000000, 0 },
{ TEGRA124_CLK_UARTC, TEGRA124_CLK_PLL_P, 408000000, 0 },
{ TEGRA124_CLK_UARTD, TEGRA124_CLK_PLL_P, 408000000, 0 },
- { TEGRA124_CLK_PLL_A, TEGRA124_CLK_CLK_MAX, 564480000, 0 },
+ { TEGRA124_CLK_PLL_A, TEGRA124_CLK_CLK_MAX, 282240000, 0 },
{ TEGRA124_CLK_PLL_A_OUT0, TEGRA124_CLK_CLK_MAX, 11289600, 0 },
{ TEGRA124_CLK_I2S0, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
{ TEGRA124_CLK_I2S1, TEGRA124_CLK_PLL_A_OUT0, 11289600, 0 },
diff --git a/drivers/clk/ti/clk-33xx.c b/drivers/clk/ti/clk-33xx.c
index e001b9bcb6bf..7dc30dd6c8d5 100644
--- a/drivers/clk/ti/clk-33xx.c
+++ b/drivers/clk/ti/clk-33xx.c
@@ -212,7 +212,7 @@ static const struct omap_clkctrl_reg_data am3_mpu_clkctrl_regs[] __initconst = {
};
static const struct omap_clkctrl_reg_data am3_l4_rtc_clkctrl_regs[] __initconst = {
- { AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk_32768_ck" },
+ { AM3_L4_RTC_RTC_CLKCTRL, NULL, CLKF_SW_SUP, "clk-24mhz-clkctrl:0000:0" },
{ 0 },
};
diff --git a/drivers/clk/ti/clkctrl.c b/drivers/clk/ti/clkctrl.c
index 062266034d84..864c484bde1b 100644
--- a/drivers/clk/ti/clkctrl.c
+++ b/drivers/clk/ti/clkctrl.c
@@ -255,24 +255,53 @@ static struct clk_hw *_ti_omap4_clkctrl_xlate(struct of_phandle_args *clkspec,
return entry->clk;
}
+/* Get clkctrl clock base name based on clkctrl_name or dts node */
+static const char * __init clkctrl_get_clock_name(struct device_node *np,
+ const char *clkctrl_name,
+ int offset, int index,
+ bool legacy_naming)
+{
+ char *clock_name;
+
+ /* l4per-clkctrl:1234:0 style naming based on clkctrl_name */
+ if (clkctrl_name && !legacy_naming) {
+ clock_name = kasprintf(GFP_KERNEL, "%s-clkctrl:%04x:%d",
+ clkctrl_name, offset, index);
+ strreplace(clock_name, '_', '-');
+
+ return clock_name;
+ }
+
+ /* l4per:1234:0 old style naming based on clkctrl_name */
+ if (clkctrl_name)
+ return kasprintf(GFP_KERNEL, "%s_cm:clk:%04x:%d",
+ clkctrl_name, offset, index);
+
+ /* l4per_cm:1234:0 old style naming based on parent node name */
+ if (legacy_naming)
+ return kasprintf(GFP_KERNEL, "%pOFn:clk:%04x:%d",
+ np->parent, offset, index);
+
+ /* l4per-clkctrl:1234:0 style naming based on node name */
+ return kasprintf(GFP_KERNEL, "%pOFn:%04x:%d", np, offset, index);
+}
+
static int __init
_ti_clkctrl_clk_register(struct omap_clkctrl_provider *provider,
struct device_node *node, struct clk_hw *clk_hw,
u16 offset, u8 bit, const char * const *parents,
- int num_parents, const struct clk_ops *ops)
+ int num_parents, const struct clk_ops *ops,
+ const char *clkctrl_name)
{
struct clk_init_data init = { NULL };
struct clk *clk;
struct omap_clkctrl_clk *clkctrl_clk;
int ret = 0;
- if (ti_clk_get_features()->flags & TI_CLK_CLKCTRL_COMPAT)
- init.name = kasprintf(GFP_KERNEL, "%pOFn:%pOFn:%04x:%d",
- node->parent, node, offset,
- bit);
- else
- init.name = kasprintf(GFP_KERNEL, "%pOFn:%04x:%d", node,
- offset, bit);
+ init.name = clkctrl_get_clock_name(node, clkctrl_name, offset, bit,
+ ti_clk_get_features()->flags &
+ TI_CLK_CLKCTRL_COMPAT);
+
clkctrl_clk = kzalloc(sizeof(*clkctrl_clk), GFP_KERNEL);
if (!init.name || !clkctrl_clk) {
ret = -ENOMEM;
@@ -309,7 +338,7 @@ static void __init
_ti_clkctrl_setup_gate(struct omap_clkctrl_provider *provider,
struct device_node *node, u16 offset,
const struct omap_clkctrl_bit_data *data,
- void __iomem *reg)
+ void __iomem *reg, const char *clkctrl_name)
{
struct clk_hw_omap *clk_hw;
@@ -322,7 +351,7 @@ _ti_clkctrl_setup_gate(struct omap_clkctrl_provider *provider,
if (_ti_clkctrl_clk_register(provider, node, &clk_hw->hw, offset,
data->bit, data->parents, 1,
- &omap_gate_clk_ops))
+ &omap_gate_clk_ops, clkctrl_name))
kfree(clk_hw);
}
@@ -330,7 +359,7 @@ static void __init
_ti_clkctrl_setup_mux(struct omap_clkctrl_provider *provider,
struct device_node *node, u16 offset,
const struct omap_clkctrl_bit_data *data,
- void __iomem *reg)
+ void __iomem *reg, const char *clkctrl_name)
{
struct clk_omap_mux *mux;
int num_parents = 0;
@@ -357,7 +386,7 @@ _ti_clkctrl_setup_mux(struct omap_clkctrl_provider *provider,
if (_ti_clkctrl_clk_register(provider, node, &mux->hw, offset,
data->bit, data->parents, num_parents,
- &ti_clk_mux_ops))
+ &ti_clk_mux_ops, clkctrl_name))
kfree(mux);
}
@@ -365,7 +394,7 @@ static void __init
_ti_clkctrl_setup_div(struct omap_clkctrl_provider *provider,
struct device_node *node, u16 offset,
const struct omap_clkctrl_bit_data *data,
- void __iomem *reg)
+ void __iomem *reg, const char *clkctrl_name)
{
struct clk_omap_divider *div;
const struct omap_clkctrl_div_data *div_data = data->data;
@@ -393,7 +422,7 @@ _ti_clkctrl_setup_div(struct omap_clkctrl_provider *provider,
if (_ti_clkctrl_clk_register(provider, node, &div->hw, offset,
data->bit, data->parents, 1,
- &ti_clk_divider_ops))
+ &ti_clk_divider_ops, clkctrl_name))
kfree(div);
}
@@ -401,7 +430,7 @@ static void __init
_ti_clkctrl_setup_subclks(struct omap_clkctrl_provider *provider,
struct device_node *node,
const struct omap_clkctrl_reg_data *data,
- void __iomem *reg)
+ void __iomem *reg, const char *clkctrl_name)
{
const struct omap_clkctrl_bit_data *bits = data->bit_data;
@@ -412,17 +441,17 @@ _ti_clkctrl_setup_subclks(struct omap_clkctrl_provider *provider,
switch (bits->type) {
case TI_CLK_GATE:
_ti_clkctrl_setup_gate(provider, node, data->offset,
- bits, reg);
+ bits, reg, clkctrl_name);
break;
case TI_CLK_DIVIDER:
_ti_clkctrl_setup_div(provider, node, data->offset,
- bits, reg);
+ bits, reg, clkctrl_name);
break;
case TI_CLK_MUX:
_ti_clkctrl_setup_mux(provider, node, data->offset,
- bits, reg);
+ bits, reg, clkctrl_name);
break;
default:
@@ -461,42 +490,10 @@ static char * __init clkctrl_get_name(struct device_node *np)
return name;
}
}
- of_node_put(np);
return NULL;
}
-/* Get clkctrl clock base name based on clkctrl_name or dts node */
-static const char * __init clkctrl_get_clock_name(struct device_node *np,
- const char *clkctrl_name,
- int offset, int index,
- bool legacy_naming)
-{
- char *clock_name;
-
- /* l4per-clkctrl:1234:0 style naming based on clkctrl_name */
- if (clkctrl_name && !legacy_naming) {
- clock_name = kasprintf(GFP_KERNEL, "%s-clkctrl:%04x:%d",
- clkctrl_name, offset, index);
- strreplace(clock_name, '_', '-');
-
- return clock_name;
- }
-
- /* l4per:1234:0 old style naming based on clkctrl_name */
- if (clkctrl_name)
- return kasprintf(GFP_KERNEL, "%s_cm:clk:%04x:%d",
- clkctrl_name, offset, index);
-
- /* l4per_cm:1234:0 old style naming based on parent node name */
- if (legacy_naming)
- return kasprintf(GFP_KERNEL, "%pOFn:clk:%04x:%d",
- np->parent, offset, index);
-
- /* l4per-clkctrl:1234:0 style naming based on node name */
- return kasprintf(GFP_KERNEL, "%pOFn:%04x:%d", np, offset, index);
-}
-
static void __init _ti_omap4_clkctrl_setup(struct device_node *node)
{
struct omap_clkctrl_provider *provider;
@@ -664,7 +661,7 @@ clkdm_found:
hw->enable_reg.ptr = provider->base + reg_data->offset;
_ti_clkctrl_setup_subclks(provider, node, reg_data,
- hw->enable_reg.ptr);
+ hw->enable_reg.ptr, clkctrl_name);
if (reg_data->flags & CLKF_SW_SUP)
hw->enable_bit = MODULEMODE_SWCTRL;
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c
index b05da8516d4c..f9f4babe3ca6 100644
--- a/drivers/clk/versatile/clk-impd1.c
+++ b/drivers/clk/versatile/clk-impd1.c
@@ -206,6 +206,7 @@ static int integrator_impd1_clk_spawn(struct device *dev,
return -ENODEV;
}
+ of_property_read_string(np, "clock-output-names", &name);
parent_name = of_clk_get_parent_name(np, 0);
clk = icst_clk_setup(NULL, desc, name, parent_name, map,
ICST_INTEGRATOR_IM_PD1);
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index f2142e6bbea3..91418381fcd4 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -120,7 +120,6 @@ config OWL_TIMER
config RDA_TIMER
bool "RDA timer driver" if COMPILE_TEST
- depends on GENERIC_CLOCKEVENTS
select CLKSRC_MMIO
select TIMER_OF
help
@@ -562,16 +561,16 @@ config CLKSRC_VERSATILE
bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
select TIMER_OF
- default y if MFD_VEXPRESS_SYSREG
+ default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM
help
This option enables clock source based on free running
counter available in the "System Registers" block of
- ARM Versatile, RealView and Versatile Express reference
- platforms.
+ ARM Versatile and Versatile Express reference platforms.
config CLKSRC_MIPS_GIC
bool
depends on MIPS_GIC
+ select CLOCKSOURCE_WATCHDOG
select TIMER_OF
config CLKSRC_TANGO_XTAL
@@ -709,6 +708,7 @@ config MICROCHIP_PIT64B
bool "Microchip PIT64B support"
depends on OF || COMPILE_TEST
select CLKSRC_MMIO
+ select TIMER_OF
help
This option enables Microchip PIT64B timer for Atmel
based system. It supports the oneshot, the periodic
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index 641ba5383ab5..bdda1a2e4097 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_CLKSRC_MMIO) += mmio.o
obj-$(CONFIG_DAVINCI_TIMER) += timer-davinci.o
obj-$(CONFIG_DIGICOLOR_TIMER) += timer-digicolor.o
obj-$(CONFIG_OMAP_DM_TIMER) += timer-ti-dm.o
+obj-$(CONFIG_OMAP_DM_TIMER) += timer-ti-dm-systimer.o
obj-$(CONFIG_DW_APB_TIMER) += dw_apb_timer.o
obj-$(CONFIG_DW_APB_TIMER_OF) += dw_apb_timer_of.o
obj-$(CONFIG_FTTMR010_TIMER) += timer-fttmr010.o
diff --git a/drivers/clocksource/arc_timer.c b/drivers/clocksource/arc_timer.c
index b29b5a75333e..de93dd1a8c7b 100644
--- a/drivers/clocksource/arc_timer.c
+++ b/drivers/clocksource/arc_timer.c
@@ -334,10 +334,8 @@ static int __init arc_clockevent_setup(struct device_node *node)
}
ret = arc_get_timer_clk(node);
- if (ret) {
- pr_err("clockevent: missing clk\n");
+ if (ret)
return ret;
- }
/* Needs apriori irq_set_percpu_devid() done in intc map function */
ret = request_percpu_irq(arc_timer_irq, timer_irq_handler,
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 2204a444e801..ecf7b7db2d05 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -1588,10 +1588,8 @@ static int __init arch_timer_acpi_init(struct acpi_table_header *table)
arch_timers_present |= ARCH_TIMER_TYPE_CP15;
ret = acpi_gtdt_init(table, &platform_timer_count);
- if (ret) {
- pr_err("Failed to init GTDT table.\n");
+ if (ret)
return ret;
- }
arch_timer_ppi[ARCH_TIMER_PHYS_NONSECURE_PPI] =
acpi_gtdt_map_ppi(ARCH_TIMER_PHYS_NONSECURE_PPI);
diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c
index b207a77b0831..f5f24a95ee82 100644
--- a/drivers/clocksource/dw_apb_timer.c
+++ b/drivers/clocksource/dw_apb_timer.c
@@ -222,7 +222,8 @@ static int apbt_next_event(unsigned long delta,
/**
* dw_apb_clockevent_init() - use an APB timer as a clock_event_device
*
- * @cpu: The CPU the events will be targeted at.
+ * @cpu: The CPU the events will be targeted at or -1 if CPU affiliation
+ * isn't required.
* @name: The name used for the timer and the IRQ for it.
* @rating: The rating to give the timer.
* @base: I/O base for the timer registers.
@@ -257,7 +258,7 @@ dw_apb_clockevent_init(int cpu, const char *name, unsigned rating,
dw_ced->ced.max_delta_ticks = 0x7fffffff;
dw_ced->ced.min_delta_ns = clockevent_delta2ns(5000, &dw_ced->ced);
dw_ced->ced.min_delta_ticks = 5000;
- dw_ced->ced.cpumask = cpumask_of(cpu);
+ dw_ced->ced.cpumask = cpu < 0 ? cpu_possible_mask : cpumask_of(cpu);
dw_ced->ced.features = CLOCK_EVT_FEAT_PERIODIC |
CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_DYNIRQ;
dw_ced->ced.set_state_shutdown = apbt_shutdown;
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 8c28b127759f..ab3ddebe8344 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -73,7 +73,7 @@ static void __init add_clockevent(struct device_node *event_timer)
timer_get_base_and_rate(event_timer, &iobase, &rate);
- ced = dw_apb_clockevent_init(0, event_timer->name, 300, iobase, irq,
+ ced = dw_apb_clockevent_init(-1, event_timer->name, 300, iobase, irq,
rate);
if (!ced)
panic("Unable to initialise clockevent device");
@@ -147,10 +147,6 @@ static int num_called;
static int __init dw_apb_timer_init(struct device_node *timer)
{
switch (num_called) {
- case 0:
- pr_debug("%s: found clockevent timer\n", __func__);
- add_clockevent(timer);
- break;
case 1:
pr_debug("%s: found clocksource timer\n", __func__);
add_clocksource(timer);
@@ -161,6 +157,8 @@ static int __init dw_apb_timer_init(struct device_node *timer)
#endif
break;
default:
+ pr_debug("%s: found clockevent timer\n", __func__);
+ add_clockevent(timer);
break;
}
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index 8b5f8ae723cb..be4175f415ba 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -16,6 +16,7 @@
#include <linux/notifier.h>
#include <linux/of_irq.h>
#include <linux/percpu.h>
+#include <linux/sched_clock.h>
#include <linux/smp.h>
#include <linux/time.h>
#include <asm/mips-cps.h>
@@ -23,14 +24,14 @@
static DEFINE_PER_CPU(struct clock_event_device, gic_clockevent_device);
static int gic_timer_irq;
static unsigned int gic_frequency;
+static bool __read_mostly gic_clock_unstable;
-static u64 notrace gic_read_count(void)
+static void gic_clocksource_unstable(char *reason);
+
+static u64 notrace gic_read_count_2x32(void)
{
unsigned int hi, hi2, lo;
- if (mips_cm_is64)
- return read_gic_counter();
-
do {
hi = read_gic_counter_32h();
lo = read_gic_counter_32l();
@@ -40,6 +41,19 @@ static u64 notrace gic_read_count(void)
return (((u64) hi) << 32) + lo;
}
+static u64 notrace gic_read_count_64(void)
+{
+ return read_gic_counter();
+}
+
+static u64 notrace gic_read_count(void)
+{
+ if (mips_cm_is64)
+ return gic_read_count_64();
+
+ return gic_read_count_2x32();
+}
+
static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
{
int cpu = cpumask_first(evt->cpumask);
@@ -114,8 +128,10 @@ static int gic_clk_notifier(struct notifier_block *nb, unsigned long action,
{
struct clk_notifier_data *cnd = data;
- if (action == POST_RATE_CHANGE)
+ if (action == POST_RATE_CHANGE) {
+ gic_clocksource_unstable("ref clock rate change");
on_each_cpu(gic_update_frequency, (void *)cnd->new_rate, 1);
+ }
return NOTIFY_OK;
}
@@ -161,6 +177,18 @@ static struct clocksource gic_clocksource = {
.vdso_clock_mode = VDSO_CLOCKMODE_GIC,
};
+static void gic_clocksource_unstable(char *reason)
+{
+ if (gic_clock_unstable)
+ return;
+
+ gic_clock_unstable = true;
+
+ pr_info("GIC timer is unstable due to %s\n", reason);
+
+ clocksource_mark_unstable(&gic_clocksource);
+}
+
static int __init __gic_clocksource_init(void)
{
unsigned int count_width;
@@ -228,6 +256,18 @@ static int __init gic_clocksource_of_init(struct device_node *node)
/* And finally start the counter */
clear_gic_config(GIC_CONFIG_COUNTSTOP);
+ /*
+ * It's safe to use the MIPS GIC timer as a sched clock source only if
+ * its ticks are stable, which is true on either the platforms with
+ * stable CPU frequency or on the platforms with CM3 and CPU frequency
+ * change performed by the CPC core clocks divider.
+ */
+ if (mips_cm_revision() >= CM_REV_CM3 || !IS_ENABLED(CONFIG_CPU_FREQ)) {
+ sched_clock_register(mips_cm_is64 ?
+ gic_read_count_64 : gic_read_count_2x32,
+ 64, gic_frequency);
+ }
+
return 0;
}
TIMER_OF_DECLARE(mips_gic_timer, "mti,gic-timer",
diff --git a/drivers/clocksource/timer-atmel-st.c b/drivers/clocksource/timer-atmel-st.c
index ab0aabfae5f0..73e8aee445da 100644
--- a/drivers/clocksource/timer-atmel-st.c
+++ b/drivers/clocksource/timer-atmel-st.c
@@ -139,7 +139,6 @@ static int
clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
{
u32 alm;
- int status = 0;
unsigned int val;
BUG_ON(delta < 2);
@@ -163,7 +162,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
alm += delta;
regmap_write(regmap_st, AT91_ST_RTAR, alm);
- return status;
+ return 0;
}
static struct clock_event_device clkevt = {
diff --git a/drivers/clocksource/timer-davinci.c b/drivers/clocksource/timer-davinci.c
index e421946a91c5..bb4eee31ae08 100644
--- a/drivers/clocksource/timer-davinci.c
+++ b/drivers/clocksource/timer-davinci.c
@@ -18,7 +18,7 @@
#include <clocksource/timer-davinci.h>
#undef pr_fmt
-#define pr_fmt(fmt) "%s: " fmt "\n", __func__
+#define pr_fmt(fmt) "%s: " fmt, __func__
#define DAVINCI_TIMER_REG_TIM12 0x10
#define DAVINCI_TIMER_REG_TIM34 0x14
@@ -250,31 +250,29 @@ int __init davinci_timer_register(struct clk *clk,
rv = clk_prepare_enable(clk);
if (rv) {
- pr_err("Unable to prepare and enable the timer clock");
+ pr_err("Unable to prepare and enable the timer clock\n");
return rv;
}
if (!request_mem_region(timer_cfg->reg.start,
resource_size(&timer_cfg->reg),
"davinci-timer")) {
- pr_err("Unable to request memory region");
+ pr_err("Unable to request memory region\n");
return -EBUSY;
}
base = ioremap(timer_cfg->reg.start, resource_size(&timer_cfg->reg));
if (!base) {
- pr_err("Unable to map the register range");
+ pr_err("Unable to map the register range\n");
return -ENOMEM;
}
davinci_timer_init(base);
tick_rate = clk_get_rate(clk);
- clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL | __GFP_NOFAIL);
- if (!clockevent) {
- pr_err("Error allocating memory for clockevent data");
+ clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL);
+ if (!clockevent)
return -ENOMEM;
- }
clockevent->dev.name = "tim12";
clockevent->dev.features = CLOCK_EVT_FEAT_ONESHOT;
@@ -298,7 +296,7 @@ int __init davinci_timer_register(struct clk *clk,
davinci_timer_irq_timer, IRQF_TIMER,
"clockevent/tim12", clockevent);
if (rv) {
- pr_err("Unable to request the clockevent interrupt");
+ pr_err("Unable to request the clockevent interrupt\n");
return rv;
}
@@ -325,7 +323,7 @@ int __init davinci_timer_register(struct clk *clk,
rv = clocksource_register_hz(&davinci_clocksource.dev, tick_rate);
if (rv) {
- pr_err("Unable to register clocksource");
+ pr_err("Unable to register clocksource\n");
return rv;
}
@@ -343,20 +341,20 @@ static int __init of_davinci_timer_register(struct device_node *np)
rv = of_address_to_resource(np, 0, &timer_cfg.reg);
if (rv) {
- pr_err("Unable to get the register range for timer");
+ pr_err("Unable to get the register range for timer\n");
return rv;
}
rv = of_irq_to_resource_table(np, timer_cfg.irq,
DAVINCI_TIMER_NUM_IRQS);
if (rv != DAVINCI_TIMER_NUM_IRQS) {
- pr_err("Unable to get the interrupts for timer");
+ pr_err("Unable to get the interrupts for timer\n");
return rv;
}
clk = of_clk_get(np, 0);
if (IS_ERR(clk)) {
- pr_err("Unable to get the timer clock");
+ pr_err("Unable to get the timer clock\n");
return PTR_ERR(clk);
}
diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c
index 6334a35fdc2f..2cdc077a39f5 100644
--- a/drivers/clocksource/timer-imx-tpm.c
+++ b/drivers/clocksource/timer-imx-tpm.c
@@ -61,17 +61,19 @@ static inline void tpm_irq_acknowledge(void)
writel(TPM_STATUS_CH0F, timer_base + TPM_STATUS);
}
-static struct delay_timer tpm_delay_timer;
-
static inline unsigned long tpm_read_counter(void)
{
return readl(timer_base + TPM_CNT);
}
+#if defined(CONFIG_ARM)
+static struct delay_timer tpm_delay_timer;
+
static unsigned long tpm_read_current_timer(void)
{
return tpm_read_counter();
}
+#endif
static u64 notrace tpm_read_sched_clock(void)
{
@@ -144,9 +146,11 @@ static struct timer_of to_tpm = {
static int __init tpm_clocksource_init(void)
{
+#if defined(CONFIG_ARM)
tpm_delay_timer.read_current_timer = &tpm_read_current_timer;
tpm_delay_timer.freq = timer_of_rate(&to_tpm) >> 3;
register_current_timer_delay(&tpm_delay_timer);
+#endif
sched_clock_register(tpm_read_sched_clock, counter_width,
timer_of_rate(&to_tpm) >> 3);
diff --git a/drivers/clocksource/timer-ti-32k.c b/drivers/clocksource/timer-ti-32k.c
index abd5f158d6e2..ae12bbf3d68c 100644
--- a/drivers/clocksource/timer-ti-32k.c
+++ b/drivers/clocksource/timer-ti-32k.c
@@ -24,6 +24,7 @@
* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com
*/
+#include <linux/clk.h>
#include <linux/init.h>
#include <linux/time.h>
#include <linux/sched_clock.h>
@@ -76,6 +77,49 @@ static u64 notrace omap_32k_read_sched_clock(void)
return ti_32k_read_cycles(&ti_32k_timer.cs);
}
+static void __init ti_32k_timer_enable_clock(struct device_node *np,
+ const char *name)
+{
+ struct clk *clock;
+ int error;
+
+ clock = of_clk_get_by_name(np->parent, name);
+ if (IS_ERR(clock)) {
+ /* Only some SoCs have a separate interface clock */
+ if (PTR_ERR(clock) == -EINVAL && !strncmp("ick", name, 3))
+ return;
+
+ pr_warn("%s: could not get clock %s %li\n",
+ __func__, name, PTR_ERR(clock));
+ return;
+ }
+
+ error = clk_prepare_enable(clock);
+ if (error) {
+ pr_warn("%s: could not enable %s: %i\n",
+ __func__, name, error);
+ return;
+ }
+}
+
+static void __init ti_32k_timer_module_init(struct device_node *np,
+ void __iomem *base)
+{
+ void __iomem *sysc = base + 4;
+
+ if (!of_device_is_compatible(np->parent, "ti,sysc"))
+ return;
+
+ ti_32k_timer_enable_clock(np, "fck");
+ ti_32k_timer_enable_clock(np, "ick");
+
+ /*
+ * Force idle module as wkup domain is active with MPU.
+ * No need to tag the module disabled for ti-sysc probe.
+ */
+ writel_relaxed(0, sysc);
+}
+
static int __init ti_32k_timer_init(struct device_node *np)
{
int ret;
@@ -90,6 +134,7 @@ static int __init ti_32k_timer_init(struct device_node *np)
ti_32k_timer.cs.flags |= CLOCK_SOURCE_SUSPEND_NONSTOP;
ti_32k_timer.counter = ti_32k_timer.base;
+ ti_32k_timer_module_init(np, ti_32k_timer.base);
/*
* 32k sync Counter IP register offsets vary between the highlander
@@ -104,6 +149,8 @@ static int __init ti_32k_timer_init(struct device_node *np)
else
ti_32k_timer.counter += OMAP2_32KSYNCNT_CR_OFF_LOW;
+ pr_info("OMAP clocksource: 32k_counter at 32768 Hz\n");
+
ret = clocksource_register_hz(&ti_32k_timer.cs, 32768);
if (ret) {
pr_err("32k_counter: can't register clocksource\n");
@@ -111,7 +158,6 @@ static int __init ti_32k_timer_init(struct device_node *np)
}
sched_clock_register(omap_32k_read_sched_clock, 32, 32768);
- pr_info("OMAP clocksource: 32k_counter at 32768 Hz\n");
return 0;
}
diff --git a/drivers/clocksource/timer-ti-dm-systimer.c b/drivers/clocksource/timer-ti-dm-systimer.c
new file mode 100644
index 000000000000..6fd1f219a512
--- /dev/null
+++ b/drivers/clocksource/timer-ti-dm-systimer.c
@@ -0,0 +1,727 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <linux/clk.h>
+#include <linux/clocksource.h>
+#include <linux/clockchips.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/sched_clock.h>
+
+#include <linux/clk/clk-conf.h>
+
+#include <clocksource/timer-ti-dm.h>
+#include <dt-bindings/bus/ti-sysc.h>
+
+/* For type1, set SYSC_OMAP2_CLOCKACTIVITY for fck off on idle, l4 clock on */
+#define DMTIMER_TYPE1_ENABLE ((1 << 9) | (SYSC_IDLE_SMART << 3) | \
+ SYSC_OMAP2_ENAWAKEUP | SYSC_OMAP2_AUTOIDLE)
+
+#define DMTIMER_TYPE2_ENABLE (SYSC_IDLE_SMART_WKUP << 2)
+#define DMTIMER_RESET_WAIT 100000
+
+#define DMTIMER_INST_DONT_CARE ~0U
+
+static int counter_32k;
+static u32 clocksource;
+static u32 clockevent;
+
+/*
+ * Subset of the timer registers we use. Note that the register offsets
+ * depend on the timer revision detected.
+ */
+struct dmtimer_systimer {
+ void __iomem *base;
+ u8 sysc;
+ u8 irq_stat;
+ u8 irq_ena;
+ u8 pend;
+ u8 load;
+ u8 counter;
+ u8 ctrl;
+ u8 wakeup;
+ u8 ifctrl;
+ unsigned long rate;
+};
+
+struct dmtimer_clockevent {
+ struct clock_event_device dev;
+ struct dmtimer_systimer t;
+ u32 period;
+};
+
+struct dmtimer_clocksource {
+ struct clocksource dev;
+ struct dmtimer_systimer t;
+ unsigned int loadval;
+};
+
+/* Assumes v1 ip if bits [31:16] are zero */
+static bool dmtimer_systimer_revision1(struct dmtimer_systimer *t)
+{
+ u32 tidr = readl_relaxed(t->base);
+
+ return !(tidr >> 16);
+}
+
+static int __init dmtimer_systimer_type1_reset(struct dmtimer_systimer *t)
+{
+ void __iomem *syss = t->base + OMAP_TIMER_V1_SYS_STAT_OFFSET;
+ int ret;
+ u32 l;
+
+ writel_relaxed(BIT(1) | BIT(2), t->base + t->ifctrl);
+ ret = readl_poll_timeout_atomic(syss, l, l & BIT(0), 100,
+ DMTIMER_RESET_WAIT);
+
+ return ret;
+}
+
+/* Note we must use io_base instead of func_base for type2 OCP regs */
+static int __init dmtimer_systimer_type2_reset(struct dmtimer_systimer *t)
+{
+ void __iomem *sysc = t->base + t->sysc;
+ u32 l;
+
+ l = readl_relaxed(sysc);
+ l |= BIT(0);
+ writel_relaxed(l, sysc);
+
+ return readl_poll_timeout_atomic(sysc, l, !(l & BIT(0)), 100,
+ DMTIMER_RESET_WAIT);
+}
+
+static int __init dmtimer_systimer_reset(struct dmtimer_systimer *t)
+{
+ int ret;
+
+ if (dmtimer_systimer_revision1(t))
+ ret = dmtimer_systimer_type1_reset(t);
+ else
+ ret = dmtimer_systimer_type2_reset(t);
+ if (ret < 0) {
+ pr_err("%s failed with %i\n", __func__, ret);
+
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id counter_match_table[] = {
+ { .compatible = "ti,omap-counter32k" },
+ { /* Sentinel */ },
+};
+
+/*
+ * Check if the SoC als has a usable working 32 KiHz counter. The 32 KiHz
+ * counter is handled by timer-ti-32k, but we need to detect it as it
+ * affects the preferred dmtimer system timer configuration. There is
+ * typically no use for a dmtimer clocksource if the 32 KiHz counter is
+ * present, except on am437x as described below.
+ */
+static void __init dmtimer_systimer_check_counter32k(void)
+{
+ struct device_node *np;
+
+ if (counter_32k)
+ return;
+
+ np = of_find_matching_node(NULL, counter_match_table);
+ if (!np) {
+ counter_32k = -ENODEV;
+
+ return;
+ }
+
+ if (of_device_is_available(np))
+ counter_32k = 1;
+ else
+ counter_32k = -ENODEV;
+
+ of_node_put(np);
+}
+
+static const struct of_device_id dmtimer_match_table[] = {
+ { .compatible = "ti,omap2420-timer", },
+ { .compatible = "ti,omap3430-timer", },
+ { .compatible = "ti,omap4430-timer", },
+ { .compatible = "ti,omap5430-timer", },
+ { .compatible = "ti,am335x-timer", },
+ { .compatible = "ti,am335x-timer-1ms", },
+ { .compatible = "ti,dm814-timer", },
+ { .compatible = "ti,dm816-timer", },
+ { /* Sentinel */ },
+};
+
+/*
+ * Checks that system timers are configured to not reset and idle during
+ * the generic timer-ti-dm device driver probe. And that the system timer
+ * source clocks are properly configured. Also, let's not hog any DSP and
+ * PWM capable timers unnecessarily as system timers.
+ */
+static bool __init dmtimer_is_preferred(struct device_node *np)
+{
+ if (!of_device_is_available(np))
+ return false;
+
+ if (!of_property_read_bool(np->parent,
+ "ti,no-reset-on-init"))
+ return false;
+
+ if (!of_property_read_bool(np->parent, "ti,no-idle"))
+ return false;
+
+ /* Secure gptimer12 is always clocked with a fixed source */
+ if (!of_property_read_bool(np, "ti,timer-secure")) {
+ if (!of_property_read_bool(np, "assigned-clocks"))
+ return false;
+
+ if (!of_property_read_bool(np, "assigned-clock-parents"))
+ return false;
+ }
+
+ if (of_property_read_bool(np, "ti,timer-dsp"))
+ return false;
+
+ if (of_property_read_bool(np, "ti,timer-pwm"))
+ return false;
+
+ return true;
+}
+
+/*
+ * Finds the first available usable always-on timer, and assigns it to either
+ * clockevent or clocksource depending if the counter_32k is available on the
+ * SoC or not.
+ *
+ * Some omap3 boards with unreliable oscillator must not use the counter_32k
+ * or dmtimer1 with 32 KiHz source. Additionally, the boards with unreliable
+ * oscillator should really set counter_32k as disabled, and delete dmtimer1
+ * ti,always-on property, but let's not count on it. For these quirky cases,
+ * we prefer using the always-on secure dmtimer12 with the internal 32 KiHz
+ * clock as the clocksource, and any available dmtimer as clockevent.
+ *
+ * For am437x, we are using am335x style dmtimer clocksource. It is unclear
+ * if this quirk handling is really needed, but let's change it separately
+ * based on testing as it might cause side effects.
+ */
+static void __init dmtimer_systimer_assign_alwon(void)
+{
+ struct device_node *np;
+ u32 pa = 0;
+ bool quirk_unreliable_oscillator = false;
+
+ /* Quirk unreliable 32 KiHz oscillator with incomplete dts */
+ if (of_machine_is_compatible("ti,omap3-beagle") ||
+ of_machine_is_compatible("timll,omap3-devkit8000")) {
+ quirk_unreliable_oscillator = true;
+ counter_32k = -ENODEV;
+ }
+
+ /* Quirk am437x using am335x style dmtimer clocksource */
+ if (of_machine_is_compatible("ti,am43"))
+ counter_32k = -ENODEV;
+
+ for_each_matching_node(np, dmtimer_match_table) {
+ if (!dmtimer_is_preferred(np))
+ continue;
+
+ if (of_property_read_bool(np, "ti,timer-alwon")) {
+ const __be32 *addr;
+
+ addr = of_get_address(np, 0, NULL, NULL);
+ pa = of_translate_address(np, addr);
+ if (pa) {
+ /* Quirky omap3 boards must use dmtimer12 */
+ if (quirk_unreliable_oscillator &&
+ pa == 0x48318000)
+ continue;
+
+ of_node_put(np);
+ break;
+ }
+ }
+ }
+
+ /* Usually no need for dmtimer clocksource if we have counter32 */
+ if (counter_32k >= 0) {
+ clockevent = pa;
+ clocksource = 0;
+ } else {
+ clocksource = pa;
+ clockevent = DMTIMER_INST_DONT_CARE;
+ }
+}
+
+/* Finds the first usable dmtimer, used for the don't care case */
+static u32 __init dmtimer_systimer_find_first_available(void)
+{
+ struct device_node *np;
+ const __be32 *addr;
+ u32 pa = 0;
+
+ for_each_matching_node(np, dmtimer_match_table) {
+ if (!dmtimer_is_preferred(np))
+ continue;
+
+ addr = of_get_address(np, 0, NULL, NULL);
+ pa = of_translate_address(np, addr);
+ if (pa) {
+ if (pa == clocksource || pa == clockevent) {
+ pa = 0;
+ continue;
+ }
+
+ of_node_put(np);
+ break;
+ }
+ }
+
+ return pa;
+}
+
+/* Selects the best clocksource and clockevent to use */
+static void __init dmtimer_systimer_select_best(void)
+{
+ dmtimer_systimer_check_counter32k();
+ dmtimer_systimer_assign_alwon();
+
+ if (clockevent == DMTIMER_INST_DONT_CARE)
+ clockevent = dmtimer_systimer_find_first_available();
+
+ pr_debug("%s: counter_32k: %i clocksource: %08x clockevent: %08x\n",
+ __func__, counter_32k, clocksource, clockevent);
+}
+
+/* Interface clocks are only available on some SoCs variants */
+static int __init dmtimer_systimer_init_clock(struct device_node *np,
+ const char *name,
+ unsigned long *rate)
+{
+ struct clk *clock;
+ unsigned long r;
+ int error;
+
+ clock = of_clk_get_by_name(np, name);
+ if ((PTR_ERR(clock) == -EINVAL) && !strncmp(name, "ick", 3))
+ return 0;
+ else if (IS_ERR(clock))
+ return PTR_ERR(clock);
+
+ error = clk_prepare_enable(clock);
+ if (error)
+ return error;
+
+ r = clk_get_rate(clock);
+ if (!r)
+ return -ENODEV;
+
+ *rate = r;
+
+ return 0;
+}
+
+static void dmtimer_systimer_enable(struct dmtimer_systimer *t)
+{
+ u32 val;
+
+ if (dmtimer_systimer_revision1(t))
+ val = DMTIMER_TYPE1_ENABLE;
+ else
+ val = DMTIMER_TYPE2_ENABLE;
+
+ writel_relaxed(val, t->base + t->sysc);
+}
+
+static void dmtimer_systimer_disable(struct dmtimer_systimer *t)
+{
+ writel_relaxed(0, t->base + t->sysc);
+}
+
+static int __init dmtimer_systimer_setup(struct device_node *np,
+ struct dmtimer_systimer *t)
+{
+ unsigned long rate;
+ u8 regbase;
+ int error;
+
+ if (!of_device_is_compatible(np->parent, "ti,sysc"))
+ return -EINVAL;
+
+ t->base = of_iomap(np, 0);
+ if (!t->base)
+ return -ENXIO;
+
+ /*
+ * Enable optional assigned-clock-parents configured at the timer
+ * node level. For regular device drivers, this is done automatically
+ * by bus related code such as platform_drv_probe().
+ */
+ error = of_clk_set_defaults(np, false);
+ if (error < 0)
+ pr_err("%s: clock source init failed: %i\n", __func__, error);
+
+ /* For ti-sysc, we have timer clocks at the parent module level */
+ error = dmtimer_systimer_init_clock(np->parent, "fck", &rate);
+ if (error)
+ goto err_unmap;
+
+ t->rate = rate;
+
+ error = dmtimer_systimer_init_clock(np->parent, "ick", &rate);
+ if (error)
+ goto err_unmap;
+
+ if (dmtimer_systimer_revision1(t)) {
+ t->irq_stat = OMAP_TIMER_V1_STAT_OFFSET;
+ t->irq_ena = OMAP_TIMER_V1_INT_EN_OFFSET;
+ t->pend = _OMAP_TIMER_WRITE_PEND_OFFSET;
+ regbase = 0;
+ } else {
+ t->irq_stat = OMAP_TIMER_V2_IRQSTATUS;
+ t->irq_ena = OMAP_TIMER_V2_IRQENABLE_SET;
+ regbase = OMAP_TIMER_V2_FUNC_OFFSET;
+ t->pend = regbase + _OMAP_TIMER_WRITE_PEND_OFFSET;
+ }
+
+ t->sysc = OMAP_TIMER_OCP_CFG_OFFSET;
+ t->load = regbase + _OMAP_TIMER_LOAD_OFFSET;
+ t->counter = regbase + _OMAP_TIMER_COUNTER_OFFSET;
+ t->ctrl = regbase + _OMAP_TIMER_CTRL_OFFSET;
+ t->wakeup = regbase + _OMAP_TIMER_WAKEUP_EN_OFFSET;
+ t->ifctrl = regbase + _OMAP_TIMER_IF_CTRL_OFFSET;
+
+ dmtimer_systimer_enable(t);
+ dmtimer_systimer_reset(t);
+ pr_debug("dmtimer rev %08x sysc %08x\n", readl_relaxed(t->base),
+ readl_relaxed(t->base + t->sysc));
+
+ return 0;
+
+err_unmap:
+ iounmap(t->base);
+
+ return error;
+}
+
+/* Clockevent */
+static struct dmtimer_clockevent *
+to_dmtimer_clockevent(struct clock_event_device *clockevent)
+{
+ return container_of(clockevent, struct dmtimer_clockevent, dev);
+}
+
+static irqreturn_t dmtimer_clockevent_interrupt(int irq, void *data)
+{
+ struct dmtimer_clockevent *clkevt = data;
+ struct dmtimer_systimer *t = &clkevt->t;
+
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->irq_stat);
+ clkevt->dev.event_handler(&clkevt->dev);
+
+ return IRQ_HANDLED;
+}
+
+static int dmtimer_set_next_event(unsigned long cycles,
+ struct clock_event_device *evt)
+{
+ struct dmtimer_clockevent *clkevt = to_dmtimer_clockevent(evt);
+ struct dmtimer_systimer *t = &clkevt->t;
+ void __iomem *pend = t->base + t->pend;
+
+ writel_relaxed(0xffffffff - cycles, t->base + t->counter);
+ while (readl_relaxed(pend) & WP_TCRR)
+ cpu_relax();
+
+ writel_relaxed(OMAP_TIMER_CTRL_ST, t->base + t->ctrl);
+ while (readl_relaxed(pend) & WP_TCLR)
+ cpu_relax();
+
+ return 0;
+}
+
+static int dmtimer_clockevent_shutdown(struct clock_event_device *evt)
+{
+ struct dmtimer_clockevent *clkevt = to_dmtimer_clockevent(evt);
+ struct dmtimer_systimer *t = &clkevt->t;
+ void __iomem *ctrl = t->base + t->ctrl;
+ u32 l;
+
+ l = readl_relaxed(ctrl);
+ if (l & OMAP_TIMER_CTRL_ST) {
+ l &= ~BIT(0);
+ writel_relaxed(l, ctrl);
+ /* Flush posted write */
+ l = readl_relaxed(ctrl);
+ /* Wait for functional clock period x 3.5 */
+ udelay(3500000 / t->rate + 1);
+ }
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->irq_stat);
+
+ return 0;
+}
+
+static int dmtimer_set_periodic(struct clock_event_device *evt)
+{
+ struct dmtimer_clockevent *clkevt = to_dmtimer_clockevent(evt);
+ struct dmtimer_systimer *t = &clkevt->t;
+ void __iomem *pend = t->base + t->pend;
+
+ dmtimer_clockevent_shutdown(evt);
+
+ /* Looks like we need to first set the load value separately */
+ writel_relaxed(clkevt->period, t->base + t->load);
+ while (readl_relaxed(pend) & WP_TLDR)
+ cpu_relax();
+
+ writel_relaxed(clkevt->period, t->base + t->counter);
+ while (readl_relaxed(pend) & WP_TCRR)
+ cpu_relax();
+
+ writel_relaxed(OMAP_TIMER_CTRL_AR | OMAP_TIMER_CTRL_ST,
+ t->base + t->ctrl);
+ while (readl_relaxed(pend) & WP_TCLR)
+ cpu_relax();
+
+ return 0;
+}
+
+static void omap_clockevent_idle(struct clock_event_device *evt)
+{
+ struct dmtimer_clockevent *clkevt = to_dmtimer_clockevent(evt);
+ struct dmtimer_systimer *t = &clkevt->t;
+
+ dmtimer_systimer_disable(t);
+}
+
+static void omap_clockevent_unidle(struct clock_event_device *evt)
+{
+ struct dmtimer_clockevent *clkevt = to_dmtimer_clockevent(evt);
+ struct dmtimer_systimer *t = &clkevt->t;
+
+ dmtimer_systimer_enable(t);
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->irq_ena);
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->wakeup);
+}
+
+static int __init dmtimer_clockevent_init(struct device_node *np)
+{
+ struct dmtimer_clockevent *clkevt;
+ struct clock_event_device *dev;
+ struct dmtimer_systimer *t;
+ int error;
+
+ clkevt = kzalloc(sizeof(*clkevt), GFP_KERNEL);
+ if (!clkevt)
+ return -ENOMEM;
+
+ t = &clkevt->t;
+ dev = &clkevt->dev;
+
+ /*
+ * We mostly use cpuidle_coupled with ARM local timers for runtime,
+ * so there's probably no use for CLOCK_EVT_FEAT_DYNIRQ here.
+ */
+ dev->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+ dev->rating = 300;
+ dev->set_next_event = dmtimer_set_next_event;
+ dev->set_state_shutdown = dmtimer_clockevent_shutdown;
+ dev->set_state_periodic = dmtimer_set_periodic;
+ dev->set_state_oneshot = dmtimer_clockevent_shutdown;
+ dev->tick_resume = dmtimer_clockevent_shutdown;
+ dev->cpumask = cpu_possible_mask;
+
+ dev->irq = irq_of_parse_and_map(np, 0);
+ if (!dev->irq) {
+ error = -ENXIO;
+ goto err_out_free;
+ }
+
+ error = dmtimer_systimer_setup(np, &clkevt->t);
+ if (error)
+ goto err_out_free;
+
+ clkevt->period = 0xffffffff - DIV_ROUND_CLOSEST(t->rate, HZ);
+
+ /*
+ * For clock-event timers we never read the timer counter and
+ * so we are not impacted by errata i103 and i767. Therefore,
+ * we can safely ignore this errata for clock-event timers.
+ */
+ writel_relaxed(OMAP_TIMER_CTRL_POSTED, t->base + t->ifctrl);
+
+ error = request_irq(dev->irq, dmtimer_clockevent_interrupt,
+ IRQF_TIMER, "clockevent", clkevt);
+ if (error)
+ goto err_out_unmap;
+
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->irq_ena);
+ writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->wakeup);
+
+ pr_info("TI gptimer clockevent: %s%lu Hz at %pOF\n",
+ of_find_property(np, "ti,timer-alwon", NULL) ?
+ "always-on " : "", t->rate, np->parent);
+
+ clockevents_config_and_register(dev, t->rate,
+ 3, /* Timer internal resynch latency */
+ 0xffffffff);
+
+ if (of_device_is_compatible(np, "ti,am33xx") ||
+ of_device_is_compatible(np, "ti,am43")) {
+ dev->suspend = omap_clockevent_idle;
+ dev->resume = omap_clockevent_unidle;
+ }
+
+ return 0;
+
+err_out_unmap:
+ iounmap(t->base);
+
+err_out_free:
+ kfree(clkevt);
+
+ return error;
+}
+
+/* Clocksource */
+static struct dmtimer_clocksource *
+to_dmtimer_clocksource(struct clocksource *cs)
+{
+ return container_of(cs, struct dmtimer_clocksource, dev);
+}
+
+static u64 dmtimer_clocksource_read_cycles(struct clocksource *cs)
+{
+ struct dmtimer_clocksource *clksrc = to_dmtimer_clocksource(cs);
+ struct dmtimer_systimer *t = &clksrc->t;
+
+ return (u64)readl_relaxed(t->base + t->counter);
+}
+
+static void __iomem *dmtimer_sched_clock_counter;
+
+static u64 notrace dmtimer_read_sched_clock(void)
+{
+ return readl_relaxed(dmtimer_sched_clock_counter);
+}
+
+static void dmtimer_clocksource_suspend(struct clocksource *cs)
+{
+ struct dmtimer_clocksource *clksrc = to_dmtimer_clocksource(cs);
+ struct dmtimer_systimer *t = &clksrc->t;
+
+ clksrc->loadval = readl_relaxed(t->base + t->counter);
+ dmtimer_systimer_disable(t);
+}
+
+static void dmtimer_clocksource_resume(struct clocksource *cs)
+{
+ struct dmtimer_clocksource *clksrc = to_dmtimer_clocksource(cs);
+ struct dmtimer_systimer *t = &clksrc->t;
+
+ dmtimer_systimer_enable(t);
+ writel_relaxed(clksrc->loadval, t->base + t->counter);
+ writel_relaxed(OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR,
+ t->base + t->ctrl);
+}
+
+static int __init dmtimer_clocksource_init(struct device_node *np)
+{
+ struct dmtimer_clocksource *clksrc;
+ struct dmtimer_systimer *t;
+ struct clocksource *dev;
+ int error;
+
+ clksrc = kzalloc(sizeof(*clksrc), GFP_KERNEL);
+ if (!clksrc)
+ return -ENOMEM;
+
+ dev = &clksrc->dev;
+ t = &clksrc->t;
+
+ error = dmtimer_systimer_setup(np, t);
+ if (error)
+ goto err_out_free;
+
+ dev->name = "dmtimer";
+ dev->rating = 300;
+ dev->read = dmtimer_clocksource_read_cycles;
+ dev->mask = CLOCKSOURCE_MASK(32);
+ dev->flags = CLOCK_SOURCE_IS_CONTINUOUS;
+
+ if (of_device_is_compatible(np, "ti,am33xx") ||
+ of_device_is_compatible(np, "ti,am43")) {
+ dev->suspend = dmtimer_clocksource_suspend;
+ dev->resume = dmtimer_clocksource_resume;
+ }
+
+ writel_relaxed(0, t->base + t->counter);
+ writel_relaxed(OMAP_TIMER_CTRL_ST | OMAP_TIMER_CTRL_AR,
+ t->base + t->ctrl);
+
+ pr_info("TI gptimer clocksource: %s%pOF\n",
+ of_find_property(np, "ti,timer-alwon", NULL) ?
+ "always-on " : "", np->parent);
+
+ if (!dmtimer_sched_clock_counter) {
+ dmtimer_sched_clock_counter = t->base + t->counter;
+ sched_clock_register(dmtimer_read_sched_clock, 32, t->rate);
+ }
+
+ if (clocksource_register_hz(dev, t->rate))
+ pr_err("Could not register clocksource %pOF\n", np);
+
+ return 0;
+
+err_out_free:
+ kfree(clksrc);
+
+ return -ENODEV;
+}
+
+/*
+ * To detect between a clocksource and clockevent, we assume the device tree
+ * has no interrupts configured for a clocksource timer.
+ */
+static int __init dmtimer_systimer_init(struct device_node *np)
+{
+ const __be32 *addr;
+ u32 pa;
+
+ /* One time init for the preferred timer configuration */
+ if (!clocksource && !clockevent)
+ dmtimer_systimer_select_best();
+
+ if (!clocksource && !clockevent) {
+ pr_err("%s: unable to detect system timers, update dtb?\n",
+ __func__);
+
+ return -EINVAL;
+ }
+
+ addr = of_get_address(np, 0, NULL, NULL);
+ pa = of_translate_address(np, addr);
+ if (!pa)
+ return -EINVAL;
+
+ if (counter_32k <= 0 && clocksource == pa)
+ return dmtimer_clocksource_init(np);
+
+ if (clockevent == pa)
+ return dmtimer_clockevent_init(np);
+
+ return 0;
+}
+
+TIMER_OF_DECLARE(systimer_omap2, "ti,omap2420-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_omap3, "ti,omap3430-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_omap4, "ti,omap4430-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_omap5, "ti,omap5430-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_am33x, "ti,am335x-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_am3ms, "ti,am335x-timer-1ms", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_dm814, "ti,dm814-timer", dmtimer_systimer_init);
+TIMER_OF_DECLARE(systimer_dm816, "ti,dm816-timer", dmtimer_systimer_init);
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index 2531eab3d6d7..60aff087947a 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -258,9 +258,7 @@ static int omap_dm_timer_prepare(struct omap_dm_timer *timer)
__omap_dm_timer_enable_posted(timer);
omap_dm_timer_disable(timer);
- rc = omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ);
-
- return rc;
+ return 0;
}
static inline u32 omap_dm_timer_reserved_systimer(int id)
diff --git a/drivers/clocksource/timer-versatile.c b/drivers/clocksource/timer-versatile.c
index e4ebb656d005..f5d017b31afa 100644
--- a/drivers/clocksource/timer-versatile.c
+++ b/drivers/clocksource/timer-versatile.c
@@ -6,6 +6,7 @@
#include <linux/clocksource.h>
#include <linux/io.h>
+#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/sched_clock.h>
@@ -22,6 +23,8 @@ static int __init versatile_sched_clock_init(struct device_node *node)
{
void __iomem *base = of_iomap(node, 0);
+ of_node_clear_flag(node, OF_POPULATED);
+
if (!base)
return -ENXIO;
diff --git a/drivers/connector/cn_proc.c b/drivers/connector/cn_proc.c
index d58ce664da84..646ad385e490 100644
--- a/drivers/connector/cn_proc.c
+++ b/drivers/connector/cn_proc.c
@@ -18,6 +18,7 @@
#include <linux/pid_namespace.h>
#include <linux/cn_proc.h>
+#include <linux/local_lock.h>
/*
* Size of a cn_msg followed by a proc_event structure. Since the
@@ -38,25 +39,31 @@ static inline struct cn_msg *buffer_to_cn_msg(__u8 *buffer)
static atomic_t proc_event_num_listeners = ATOMIC_INIT(0);
static struct cb_id cn_proc_event_id = { CN_IDX_PROC, CN_VAL_PROC };
-/* proc_event_counts is used as the sequence number of the netlink message */
-static DEFINE_PER_CPU(__u32, proc_event_counts) = { 0 };
+/* local_event.count is used as the sequence number of the netlink message */
+struct local_event {
+ local_lock_t lock;
+ __u32 count;
+};
+static DEFINE_PER_CPU(struct local_event, local_event) = {
+ .lock = INIT_LOCAL_LOCK(lock),
+};
static inline void send_msg(struct cn_msg *msg)
{
- preempt_disable();
+ local_lock(&local_event.lock);
- msg->seq = __this_cpu_inc_return(proc_event_counts) - 1;
+ msg->seq = __this_cpu_inc_return(local_event.count) - 1;
((struct proc_event *)msg->data)->cpu = smp_processor_id();
/*
- * Preemption remains disabled during send to ensure the messages are
- * ordered according to their sequence numbers.
+ * local_lock() disables preemption during send to ensure the messages
+ * are ordered according to their sequence numbers.
*
* If cn_netlink_send() fails, the data is not sent.
*/
cn_netlink_send(msg, 0, CN_IDX_PROC, GFP_NOWAIT);
- preempt_enable();
+ local_unlock(&local_event.lock);
}
void proc_fork_connector(struct task_struct *task)
diff --git a/drivers/counter/104-quad-8.c b/drivers/counter/104-quad-8.c
index 9dab190c49b0..aa13708c2bc3 100644
--- a/drivers/counter/104-quad-8.c
+++ b/drivers/counter/104-quad-8.c
@@ -44,6 +44,7 @@ MODULE_PARM_DESC(base, "ACCES 104-QUAD-8 base addresses");
* @base: base port address of the IIO device
*/
struct quad8_iio {
+ struct mutex lock;
struct counter_device counter;
unsigned int fck_prescaler[QUAD8_NUM_COUNTERS];
unsigned int preset[QUAD8_NUM_COUNTERS];
@@ -123,6 +124,8 @@ static int quad8_read_raw(struct iio_dev *indio_dev,
/* Borrow XOR Carry effectively doubles count range */
*val = (borrow ^ carry) << 24;
+ mutex_lock(&priv->lock);
+
/* Reset Byte Pointer; transfer Counter to Output Latch */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
base_offset + 1);
@@ -130,6 +133,8 @@ static int quad8_read_raw(struct iio_dev *indio_dev,
for (i = 0; i < 3; i++)
*val |= (unsigned int)inb(base_offset) << (8 * i);
+ mutex_unlock(&priv->lock);
+
return IIO_VAL_INT;
case IIO_CHAN_INFO_ENABLE:
*val = priv->ab_enable[chan->channel];
@@ -160,6 +165,8 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
if ((unsigned int)val > 0xFFFFFF)
return -EINVAL;
+ mutex_lock(&priv->lock);
+
/* Reset Byte Pointer */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
@@ -183,12 +190,16 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
/* Reset Error flag */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
+ mutex_unlock(&priv->lock);
+
return 0;
case IIO_CHAN_INFO_ENABLE:
/* only boolean values accepted */
if (val < 0 || val > 1)
return -EINVAL;
+ mutex_lock(&priv->lock);
+
priv->ab_enable[chan->channel] = val;
ior_cfg = val | priv->preset_enable[chan->channel] << 1;
@@ -196,11 +207,18 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
/* Load I/O control configuration */
outb(QUAD8_CTR_IOR | ior_cfg, base_offset + 1);
+ mutex_unlock(&priv->lock);
+
return 0;
case IIO_CHAN_INFO_SCALE:
+ mutex_lock(&priv->lock);
+
/* Quadrature scaling only available in quadrature mode */
- if (!priv->quadrature_mode[chan->channel] && (val2 || val != 1))
+ if (!priv->quadrature_mode[chan->channel] &&
+ (val2 || val != 1)) {
+ mutex_unlock(&priv->lock);
return -EINVAL;
+ }
/* Only three gain states (1, 0.5, 0.25) */
if (val == 1 && !val2)
@@ -214,11 +232,15 @@ static int quad8_write_raw(struct iio_dev *indio_dev,
priv->quadrature_scale[chan->channel] = 2;
break;
default:
+ mutex_unlock(&priv->lock);
return -EINVAL;
}
- else
+ else {
+ mutex_unlock(&priv->lock);
return -EINVAL;
+ }
+ mutex_unlock(&priv->lock);
return 0;
}
@@ -255,6 +277,8 @@ static ssize_t quad8_write_preset(struct iio_dev *indio_dev, uintptr_t private,
if (preset > 0xFFFFFF)
return -EINVAL;
+ mutex_lock(&priv->lock);
+
priv->preset[chan->channel] = preset;
/* Reset Byte Pointer */
@@ -264,6 +288,8 @@ static ssize_t quad8_write_preset(struct iio_dev *indio_dev, uintptr_t private,
for (i = 0; i < 3; i++)
outb(preset >> (8 * i), base_offset);
+ mutex_unlock(&priv->lock);
+
return len;
}
@@ -293,6 +319,8 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
/* Preset enable is active low in Input/Output Control register */
preset_enable = !preset_enable;
+ mutex_lock(&priv->lock);
+
priv->preset_enable[chan->channel] = preset_enable;
ior_cfg = priv->ab_enable[chan->channel] |
@@ -301,6 +329,8 @@ static ssize_t quad8_write_set_to_preset_on_index(struct iio_dev *indio_dev,
/* Load I/O control configuration to Input / Output Control Register */
outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return len;
}
@@ -358,6 +388,8 @@ static int quad8_set_count_mode(struct iio_dev *indio_dev,
unsigned int mode_cfg = cnt_mode << 1;
const int base_offset = priv->base + 2 * chan->channel + 1;
+ mutex_lock(&priv->lock);
+
priv->count_mode[chan->channel] = cnt_mode;
/* Add quadrature mode configuration */
@@ -367,6 +399,8 @@ static int quad8_set_count_mode(struct iio_dev *indio_dev,
/* Load mode configuration to Counter Mode Register */
outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -394,19 +428,26 @@ static int quad8_set_synchronous_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, unsigned int synchronous_mode)
{
struct quad8_iio *const priv = iio_priv(indio_dev);
- const unsigned int idr_cfg = synchronous_mode |
- priv->index_polarity[chan->channel] << 1;
const int base_offset = priv->base + 2 * chan->channel + 1;
+ unsigned int idr_cfg = synchronous_mode;
+
+ mutex_lock(&priv->lock);
+
+ idr_cfg |= priv->index_polarity[chan->channel] << 1;
/* Index function must be non-synchronous in non-quadrature mode */
- if (synchronous_mode && !priv->quadrature_mode[chan->channel])
+ if (synchronous_mode && !priv->quadrature_mode[chan->channel]) {
+ mutex_unlock(&priv->lock);
return -EINVAL;
+ }
priv->synchronous_mode[chan->channel] = synchronous_mode;
/* Load Index Control configuration to Index Control Register */
outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -434,8 +475,12 @@ static int quad8_set_quadrature_mode(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, unsigned int quadrature_mode)
{
struct quad8_iio *const priv = iio_priv(indio_dev);
- unsigned int mode_cfg = priv->count_mode[chan->channel] << 1;
const int base_offset = priv->base + 2 * chan->channel + 1;
+ unsigned int mode_cfg;
+
+ mutex_lock(&priv->lock);
+
+ mode_cfg = priv->count_mode[chan->channel] << 1;
if (quadrature_mode)
mode_cfg |= (priv->quadrature_scale[chan->channel] + 1) << 3;
@@ -453,6 +498,8 @@ static int quad8_set_quadrature_mode(struct iio_dev *indio_dev,
/* Load mode configuration to Counter Mode Register */
outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -480,15 +527,20 @@ static int quad8_set_index_polarity(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, unsigned int index_polarity)
{
struct quad8_iio *const priv = iio_priv(indio_dev);
- const unsigned int idr_cfg = priv->synchronous_mode[chan->channel] |
- index_polarity << 1;
const int base_offset = priv->base + 2 * chan->channel + 1;
+ unsigned int idr_cfg = index_polarity << 1;
+
+ mutex_lock(&priv->lock);
+
+ idr_cfg |= priv->synchronous_mode[chan->channel];
priv->index_polarity[chan->channel] = index_polarity;
/* Load Index Control configuration to Index Control Register */
outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -589,7 +641,7 @@ static int quad8_signal_read(struct counter_device *counter,
static int quad8_count_read(struct counter_device *counter,
struct counter_count *count, unsigned long *val)
{
- const struct quad8_iio *const priv = counter->priv;
+ struct quad8_iio *const priv = counter->priv;
const int base_offset = priv->base + 2 * count->id;
unsigned int flags;
unsigned int borrow;
@@ -603,6 +655,8 @@ static int quad8_count_read(struct counter_device *counter,
/* Borrow XOR Carry effectively doubles count range */
*val = (unsigned long)(borrow ^ carry) << 24;
+ mutex_lock(&priv->lock);
+
/* Reset Byte Pointer; transfer Counter to Output Latch */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP | QUAD8_RLD_CNTR_OUT,
base_offset + 1);
@@ -610,13 +664,15 @@ static int quad8_count_read(struct counter_device *counter,
for (i = 0; i < 3; i++)
*val |= (unsigned long)inb(base_offset) << (8 * i);
+ mutex_unlock(&priv->lock);
+
return 0;
}
static int quad8_count_write(struct counter_device *counter,
struct counter_count *count, unsigned long val)
{
- const struct quad8_iio *const priv = counter->priv;
+ struct quad8_iio *const priv = counter->priv;
const int base_offset = priv->base + 2 * count->id;
int i;
@@ -624,6 +680,8 @@ static int quad8_count_write(struct counter_device *counter,
if (val > 0xFFFFFF)
return -EINVAL;
+ mutex_lock(&priv->lock);
+
/* Reset Byte Pointer */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
@@ -647,6 +705,8 @@ static int quad8_count_write(struct counter_device *counter,
/* Reset Error flag */
outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_E, base_offset + 1);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -667,13 +727,13 @@ static enum counter_count_function quad8_count_functions_list[] = {
static int quad8_function_get(struct counter_device *counter,
struct counter_count *count, size_t *function)
{
- const struct quad8_iio *const priv = counter->priv;
+ struct quad8_iio *const priv = counter->priv;
const int id = count->id;
- const unsigned int quadrature_mode = priv->quadrature_mode[id];
- const unsigned int scale = priv->quadrature_scale[id];
- if (quadrature_mode)
- switch (scale) {
+ mutex_lock(&priv->lock);
+
+ if (priv->quadrature_mode[id])
+ switch (priv->quadrature_scale[id]) {
case 0:
*function = QUAD8_COUNT_FUNCTION_QUADRATURE_X1;
break;
@@ -687,6 +747,8 @@ static int quad8_function_get(struct counter_device *counter,
else
*function = QUAD8_COUNT_FUNCTION_PULSE_DIRECTION;
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -697,10 +759,15 @@ static int quad8_function_set(struct counter_device *counter,
const int id = count->id;
unsigned int *const quadrature_mode = priv->quadrature_mode + id;
unsigned int *const scale = priv->quadrature_scale + id;
- unsigned int mode_cfg = priv->count_mode[id] << 1;
unsigned int *const synchronous_mode = priv->synchronous_mode + id;
- const unsigned int idr_cfg = priv->index_polarity[id] << 1;
const int base_offset = priv->base + 2 * id + 1;
+ unsigned int mode_cfg;
+ unsigned int idr_cfg;
+
+ mutex_lock(&priv->lock);
+
+ mode_cfg = priv->count_mode[id] << 1;
+ idr_cfg = priv->index_polarity[id] << 1;
if (function == QUAD8_COUNT_FUNCTION_PULSE_DIRECTION) {
*quadrature_mode = 0;
@@ -736,6 +803,8 @@ static int quad8_function_set(struct counter_device *counter,
/* Load mode configuration to Counter Mode Register */
outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -852,15 +921,20 @@ static int quad8_index_polarity_set(struct counter_device *counter,
{
struct quad8_iio *const priv = counter->priv;
const size_t channel_id = signal->id - 16;
- const unsigned int idr_cfg = priv->synchronous_mode[channel_id] |
- index_polarity << 1;
const int base_offset = priv->base + 2 * channel_id + 1;
+ unsigned int idr_cfg = index_polarity << 1;
+
+ mutex_lock(&priv->lock);
+
+ idr_cfg |= priv->synchronous_mode[channel_id];
priv->index_polarity[channel_id] = index_polarity;
/* Load Index Control configuration to Index Control Register */
outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -887,19 +961,26 @@ static int quad8_synchronous_mode_set(struct counter_device *counter,
{
struct quad8_iio *const priv = counter->priv;
const size_t channel_id = signal->id - 16;
- const unsigned int idr_cfg = synchronous_mode |
- priv->index_polarity[channel_id] << 1;
const int base_offset = priv->base + 2 * channel_id + 1;
+ unsigned int idr_cfg = synchronous_mode;
+
+ mutex_lock(&priv->lock);
+
+ idr_cfg |= priv->index_polarity[channel_id] << 1;
/* Index function must be non-synchronous in non-quadrature mode */
- if (synchronous_mode && !priv->quadrature_mode[channel_id])
+ if (synchronous_mode && !priv->quadrature_mode[channel_id]) {
+ mutex_unlock(&priv->lock);
return -EINVAL;
+ }
priv->synchronous_mode[channel_id] = synchronous_mode;
/* Load Index Control configuration to Index Control Register */
outb(QUAD8_CTR_IDR | idr_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -964,6 +1045,8 @@ static int quad8_count_mode_set(struct counter_device *counter,
break;
}
+ mutex_lock(&priv->lock);
+
priv->count_mode[count->id] = cnt_mode;
/* Set count mode configuration value */
@@ -976,6 +1059,8 @@ static int quad8_count_mode_set(struct counter_device *counter,
/* Load mode configuration to Counter Mode Register */
outb(QUAD8_CTR_CMR | mode_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return 0;
}
@@ -1017,6 +1102,8 @@ static ssize_t quad8_count_enable_write(struct counter_device *counter,
if (err)
return err;
+ mutex_lock(&priv->lock);
+
priv->ab_enable[count->id] = ab_enable;
ior_cfg = ab_enable | priv->preset_enable[count->id] << 1;
@@ -1024,6 +1111,8 @@ static ssize_t quad8_count_enable_write(struct counter_device *counter,
/* Load I/O control configuration */
outb(QUAD8_CTR_IOR | ior_cfg, base_offset + 1);
+ mutex_unlock(&priv->lock);
+
return len;
}
@@ -1052,14 +1141,28 @@ static ssize_t quad8_count_preset_read(struct counter_device *counter,
return sprintf(buf, "%u\n", priv->preset[count->id]);
}
+static void quad8_preset_register_set(struct quad8_iio *quad8iio, int id,
+ unsigned int preset)
+{
+ const unsigned int base_offset = quad8iio->base + 2 * id;
+ int i;
+
+ quad8iio->preset[id] = preset;
+
+ /* Reset Byte Pointer */
+ outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+
+ /* Set Preset Register */
+ for (i = 0; i < 3; i++)
+ outb(preset >> (8 * i), base_offset);
+}
+
static ssize_t quad8_count_preset_write(struct counter_device *counter,
struct counter_count *count, void *private, const char *buf, size_t len)
{
struct quad8_iio *const priv = counter->priv;
- const int base_offset = priv->base + 2 * count->id;
unsigned int preset;
int ret;
- int i;
ret = kstrtouint(buf, 0, &preset);
if (ret)
@@ -1069,14 +1172,11 @@ static ssize_t quad8_count_preset_write(struct counter_device *counter,
if (preset > 0xFFFFFF)
return -EINVAL;
- priv->preset[count->id] = preset;
+ mutex_lock(&priv->lock);
- /* Reset Byte Pointer */
- outb(QUAD8_CTR_RLD | QUAD8_RLD_RESET_BP, base_offset + 1);
+ quad8_preset_register_set(priv, count->id, preset);
- /* Set Preset Register */
- for (i = 0; i < 3; i++)
- outb(preset >> (8 * i), base_offset);
+ mutex_unlock(&priv->lock);
return len;
}
@@ -1084,15 +1184,20 @@ static ssize_t quad8_count_preset_write(struct counter_device *counter,
static ssize_t quad8_count_ceiling_read(struct counter_device *counter,
struct counter_count *count, void *private, char *buf)
{
- const struct quad8_iio *const priv = counter->priv;
+ struct quad8_iio *const priv = counter->priv;
+
+ mutex_lock(&priv->lock);
/* Range Limit and Modulo-N count modes use preset value as ceiling */
switch (priv->count_mode[count->id]) {
case 1:
case 3:
- return quad8_count_preset_read(counter, count, private, buf);
+ mutex_unlock(&priv->lock);
+ return sprintf(buf, "%u\n", priv->preset[count->id]);
}
+ mutex_unlock(&priv->lock);
+
/* By default 0x1FFFFFF (25 bits unsigned) is maximum count */
return sprintf(buf, "33554431\n");
}
@@ -1101,15 +1206,29 @@ static ssize_t quad8_count_ceiling_write(struct counter_device *counter,
struct counter_count *count, void *private, const char *buf, size_t len)
{
struct quad8_iio *const priv = counter->priv;
+ unsigned int ceiling;
+ int ret;
+
+ ret = kstrtouint(buf, 0, &ceiling);
+ if (ret)
+ return ret;
+
+ /* Only 24-bit values are supported */
+ if (ceiling > 0xFFFFFF)
+ return -EINVAL;
+
+ mutex_lock(&priv->lock);
/* Range Limit and Modulo-N count modes use preset value as ceiling */
switch (priv->count_mode[count->id]) {
case 1:
case 3:
- return quad8_count_preset_write(counter, count, private, buf,
- len);
+ quad8_preset_register_set(priv, count->id, ceiling);
+ break;
}
+ mutex_unlock(&priv->lock);
+
return len;
}
@@ -1137,6 +1256,8 @@ static ssize_t quad8_count_preset_enable_write(struct counter_device *counter,
/* Preset enable is active low in Input/Output Control register */
preset_enable = !preset_enable;
+ mutex_lock(&priv->lock);
+
priv->preset_enable[count->id] = preset_enable;
ior_cfg = priv->ab_enable[count->id] | (unsigned int)preset_enable << 1;
@@ -1144,6 +1265,8 @@ static ssize_t quad8_count_preset_enable_write(struct counter_device *counter,
/* Load I/O control configuration to Input / Output Control Register */
outb(QUAD8_CTR_IOR | ior_cfg, base_offset);
+ mutex_unlock(&priv->lock);
+
return len;
}
@@ -1429,6 +1552,9 @@ static int quad8_probe(struct device *dev, unsigned int id)
quad8iio->counter.priv = quad8iio;
quad8iio->base = base[id];
+ /* Initialize mutex */
+ mutex_init(&quad8iio->lock);
+
/* Reset all counters and disable interrupt function */
outb(QUAD8_CHAN_OP_RESET_COUNTERS, base[id] + QUAD8_REG_CHAN_OP);
/* Set initial configuration for all counters */
diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index c3e6bd59e920..e91750132552 100644
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -323,7 +323,8 @@ endif
config QORIQ_CPUFREQ
tristate "CPU frequency scaling driver for Freescale QorIQ SoCs"
- depends on OF && COMMON_CLK && (PPC_E500MC || ARM || ARM64)
+ depends on OF && COMMON_CLK
+ depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
select CLK_QORIQ
help
This adds the CPUFreq driver support for Freescale QorIQ SoCs
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 15c1a1231516..9481292981f0 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -317,6 +317,7 @@ config ARM_TEGRA186_CPUFREQ
config ARM_TI_CPUFREQ
bool "Texas Instruments CPUFreq support"
depends on ARCH_OMAP2PLUS
+ default ARCH_OMAP2PLUS
help
This driver enables valid OPPs on the running platform based on
values contained within the SoC in use. Enable this in order to
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index cb9db16bea61..e8e20fef400b 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -53,6 +53,7 @@ static const struct of_device_id whitelist[] __initconst = {
{ .compatible = "renesas,r7s72100", },
{ .compatible = "renesas,r8a73a4", },
{ .compatible = "renesas,r8a7740", },
+ { .compatible = "renesas,r8a7742", },
{ .compatible = "renesas,r8a7743", },
{ .compatible = "renesas,r8a7744", },
{ .compatible = "renesas,r8a7745", },
@@ -105,6 +106,7 @@ static const struct of_device_id blacklist[] __initconst = {
{ .compatible = "calxeda,highbank", },
{ .compatible = "calxeda,ecx-2000", },
+ { .compatible = "fsl,imx7ulp", },
{ .compatible = "fsl,imx7d", },
{ .compatible = "fsl,imx8mq", },
{ .compatible = "fsl,imx8mm", },
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 045f9fe157ce..d03f250f68e4 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2535,26 +2535,27 @@ EXPORT_SYMBOL_GPL(cpufreq_update_limits);
static int cpufreq_boost_set_sw(int state)
{
struct cpufreq_policy *policy;
- int ret = -EINVAL;
for_each_active_policy(policy) {
+ int ret;
+
if (!policy->freq_table)
- continue;
+ return -ENXIO;
ret = cpufreq_frequency_table_cpuinfo(policy,
policy->freq_table);
if (ret) {
pr_err("%s: Policy frequency update failed\n",
__func__);
- break;
+ return ret;
}
ret = freq_qos_update_request(policy->max_freq_req, policy->max);
if (ret < 0)
- break;
+ return ret;
}
- return ret;
+ return 0;
}
int cpufreq_boost_trigger_state(int state)
diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c
index de206d2745fe..3fe9125156b4 100644
--- a/drivers/cpufreq/imx-cpufreq-dt.c
+++ b/drivers/cpufreq/imx-cpufreq-dt.c
@@ -3,7 +3,9 @@
* Copyright 2019 NXP
*/
+#include <linux/clk.h>
#include <linux/cpu.h>
+#include <linux/cpufreq.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
@@ -12,8 +14,11 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
+#include "cpufreq-dt.h"
+
#define OCOTP_CFG3_SPEED_GRADE_SHIFT 8
#define OCOTP_CFG3_SPEED_GRADE_MASK (0x3 << 8)
#define IMX8MN_OCOTP_CFG3_SPEED_GRADE_MASK (0xf << 8)
@@ -22,20 +27,92 @@
#define IMX8MP_OCOTP_CFG3_MKT_SEGMENT_SHIFT 5
#define IMX8MP_OCOTP_CFG3_MKT_SEGMENT_MASK (0x3 << 5)
+#define IMX7ULP_MAX_RUN_FREQ 528000
+
/* cpufreq-dt device registered by imx-cpufreq-dt */
static struct platform_device *cpufreq_dt_pdev;
static struct opp_table *cpufreq_opp_table;
+static struct device *cpu_dev;
+
+enum IMX7ULP_CPUFREQ_CLKS {
+ ARM,
+ CORE,
+ SCS_SEL,
+ HSRUN_CORE,
+ HSRUN_SCS_SEL,
+ FIRC,
+};
+
+static struct clk_bulk_data imx7ulp_clks[] = {
+ { .id = "arm" },
+ { .id = "core" },
+ { .id = "scs_sel" },
+ { .id = "hsrun_core" },
+ { .id = "hsrun_scs_sel" },
+ { .id = "firc" },
+};
+
+static unsigned int imx7ulp_get_intermediate(struct cpufreq_policy *policy,
+ unsigned int index)
+{
+ return clk_get_rate(imx7ulp_clks[FIRC].clk);
+}
+
+static int imx7ulp_target_intermediate(struct cpufreq_policy *policy,
+ unsigned int index)
+{
+ unsigned int newfreq = policy->freq_table[index].frequency;
+
+ clk_set_parent(imx7ulp_clks[SCS_SEL].clk, imx7ulp_clks[FIRC].clk);
+ clk_set_parent(imx7ulp_clks[HSRUN_SCS_SEL].clk, imx7ulp_clks[FIRC].clk);
+
+ if (newfreq > IMX7ULP_MAX_RUN_FREQ)
+ clk_set_parent(imx7ulp_clks[ARM].clk,
+ imx7ulp_clks[HSRUN_CORE].clk);
+ else
+ clk_set_parent(imx7ulp_clks[ARM].clk, imx7ulp_clks[CORE].clk);
+
+ return 0;
+}
+
+static struct cpufreq_dt_platform_data imx7ulp_data = {
+ .target_intermediate = imx7ulp_target_intermediate,
+ .get_intermediate = imx7ulp_get_intermediate,
+};
static int imx_cpufreq_dt_probe(struct platform_device *pdev)
{
- struct device *cpu_dev = get_cpu_device(0);
+ struct platform_device *dt_pdev;
u32 cell_value, supported_hw[2];
int speed_grade, mkt_segment;
int ret;
+ cpu_dev = get_cpu_device(0);
+
if (!of_find_property(cpu_dev->of_node, "cpu-supply", NULL))
return -ENODEV;
+ if (of_machine_is_compatible("fsl,imx7ulp")) {
+ ret = clk_bulk_get(cpu_dev, ARRAY_SIZE(imx7ulp_clks),
+ imx7ulp_clks);
+ if (ret)
+ return ret;
+
+ dt_pdev = platform_device_register_data(NULL, "cpufreq-dt",
+ -1, &imx7ulp_data,
+ sizeof(imx7ulp_data));
+ if (IS_ERR(dt_pdev)) {
+ clk_bulk_put(ARRAY_SIZE(imx7ulp_clks), imx7ulp_clks);
+ ret = PTR_ERR(dt_pdev);
+ dev_err(&pdev->dev, "Failed to register cpufreq-dt: %d\n", ret);
+ return ret;
+ }
+
+ cpufreq_dt_pdev = dt_pdev;
+
+ return 0;
+ }
+
ret = nvmem_cell_read_u32(cpu_dev, "speed_grade", &cell_value);
if (ret)
return ret;
@@ -98,7 +175,10 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev)
static int imx_cpufreq_dt_remove(struct platform_device *pdev)
{
platform_device_unregister(cpufreq_dt_pdev);
- dev_pm_opp_put_supported_hw(cpufreq_opp_table);
+ if (!of_machine_is_compatible("fsl,imx7ulp"))
+ dev_pm_opp_put_supported_hw(cpufreq_opp_table);
+ else
+ clk_bulk_put(ARRAY_SIZE(imx7ulp_clks), imx7ulp_clks);
return 0;
}
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 4d1e25d1ced1..8e23a698ce04 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1059,7 +1059,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b,
update_turbo_state();
if (global.turbo_disabled) {
- pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
+ pr_notice_once("Turbo disabled by BIOS or unavailable on processor\n");
mutex_unlock(&intel_pstate_limits_lock);
mutex_unlock(&intel_pstate_driver_lock);
return -EPERM;
@@ -2771,6 +2771,8 @@ static int __init intel_pstate_init(void)
pr_info("Invalid MSRs\n");
return -ENODEV;
}
+ /* Without HWP start in the passive mode. */
+ default_driver = &intel_cpufreq;
hwp_cpu_matched:
/*
@@ -2816,7 +2818,6 @@ static int __init intel_pstate_setup(char *str)
if (!strcmp(str, "disable")) {
no_load = 1;
} else if (!strcmp(str, "passive")) {
- pr_info("Passive mode enabled\n");
default_driver = &intel_cpufreq;
no_hwp = 1;
}
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index 909f40fbcde2..d05e761d9572 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -20,7 +20,6 @@
#include <linux/delay.h>
#include <linux/platform_device.h>
-#include <asm/clock.h>
#include <asm/idle.h>
#include <asm/mach-loongson2ef/loongson.h>
@@ -58,29 +57,20 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
loongson2_clockmod_table[index].driver_data) / 8;
/* setting the cpu frequency */
- clk_set_rate(policy->clk, freq * 1000);
+ loongson2_cpu_set_rate(freq);
return 0;
}
static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
{
- struct clk *cpuclk;
int i;
unsigned long rate;
int ret;
- cpuclk = clk_get(NULL, "cpu_clk");
- if (IS_ERR(cpuclk)) {
- pr_err("couldn't get CPU clk\n");
- return PTR_ERR(cpuclk);
- }
-
rate = cpu_clock_freq / 1000;
- if (!rate) {
- clk_put(cpuclk);
+ if (!rate)
return -EINVAL;
- }
/* clock table init */
for (i = 2;
@@ -88,20 +78,16 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
i++)
loongson2_clockmod_table[i].frequency = (rate * i) / 8;
- ret = clk_set_rate(cpuclk, rate * 1000);
- if (ret) {
- clk_put(cpuclk);
+ ret = loongson2_cpu_set_rate(rate);
+ if (ret)
return ret;
- }
- policy->clk = cpuclk;
cpufreq_generic_init(policy, &loongson2_clockmod_table[0], 0);
return 0;
}
static int loongson2_cpufreq_exit(struct cpufreq_policy *policy)
{
- clk_put(policy->clk);
return 0;
}
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index a1b8238872a2..d06b37822c3d 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -277,7 +277,7 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
if (!np)
return -ENOENT;
- ret = of_device_is_compatible(np, "operating-points-v2-qcom-cpu");
+ ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
if (!ret) {
of_node_put(np);
return -ENOENT;
diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c
index 8e436dc75c8b..6b6b20da2bcf 100644
--- a/drivers/cpufreq/qoriq-cpufreq.c
+++ b/drivers/cpufreq/qoriq-cpufreq.c
@@ -18,6 +18,7 @@
#include <linux/of.h>
#include <linux/slab.h>
#include <linux/smp.h>
+#include <linux/platform_device.h>
/**
* struct cpu_data
@@ -29,12 +30,6 @@ struct cpu_data {
struct cpufreq_frequency_table *table;
};
-/*
- * Don't use cpufreq on this SoC -- used when the SoC would have otherwise
- * matched a more generic compatible.
- */
-#define SOC_BLACKLIST 1
-
/**
* struct soc_data - SoC specific data
* @flags: SOC_xxx
@@ -264,64 +259,51 @@ static struct cpufreq_driver qoriq_cpufreq_driver = {
.attr = cpufreq_generic_attr,
};
-static const struct soc_data blacklist = {
- .flags = SOC_BLACKLIST,
-};
-
-static const struct of_device_id node_matches[] __initconst = {
+static const struct of_device_id qoriq_cpufreq_blacklist[] = {
/* e6500 cannot use cpufreq due to erratum A-008083 */
- { .compatible = "fsl,b4420-clockgen", &blacklist },
- { .compatible = "fsl,b4860-clockgen", &blacklist },
- { .compatible = "fsl,t2080-clockgen", &blacklist },
- { .compatible = "fsl,t4240-clockgen", &blacklist },
-
- { .compatible = "fsl,ls1012a-clockgen", },
- { .compatible = "fsl,ls1021a-clockgen", },
- { .compatible = "fsl,ls1028a-clockgen", },
- { .compatible = "fsl,ls1043a-clockgen", },
- { .compatible = "fsl,ls1046a-clockgen", },
- { .compatible = "fsl,ls1088a-clockgen", },
- { .compatible = "fsl,ls2080a-clockgen", },
- { .compatible = "fsl,lx2160a-clockgen", },
- { .compatible = "fsl,p4080-clockgen", },
- { .compatible = "fsl,qoriq-clockgen-1.0", },
- { .compatible = "fsl,qoriq-clockgen-2.0", },
+ { .compatible = "fsl,b4420-clockgen", },
+ { .compatible = "fsl,b4860-clockgen", },
+ { .compatible = "fsl,t2080-clockgen", },
+ { .compatible = "fsl,t4240-clockgen", },
{}
};
-static int __init qoriq_cpufreq_init(void)
+static int qoriq_cpufreq_probe(struct platform_device *pdev)
{
int ret;
- struct device_node *np;
- const struct of_device_id *match;
- const struct soc_data *data;
-
- np = of_find_matching_node(NULL, node_matches);
- if (!np)
- return -ENODEV;
-
- match = of_match_node(node_matches, np);
- data = match->data;
-
- of_node_put(np);
+ struct device_node *np;
- if (data && data->flags & SOC_BLACKLIST)
+ np = of_find_matching_node(NULL, qoriq_cpufreq_blacklist);
+ if (np) {
+ dev_info(&pdev->dev, "Disabling due to erratum A-008083");
return -ENODEV;
+ }
ret = cpufreq_register_driver(&qoriq_cpufreq_driver);
- if (!ret)
- pr_info("Freescale QorIQ CPU frequency scaling driver\n");
+ if (ret)
+ return ret;
- return ret;
+ dev_info(&pdev->dev, "Freescale QorIQ CPU frequency scaling driver\n");
+ return 0;
}
-module_init(qoriq_cpufreq_init);
-static void __exit qoriq_cpufreq_exit(void)
+static int qoriq_cpufreq_remove(struct platform_device *pdev)
{
cpufreq_unregister_driver(&qoriq_cpufreq_driver);
+
+ return 0;
}
-module_exit(qoriq_cpufreq_exit);
+static struct platform_driver qoriq_cpufreq_platform_driver = {
+ .driver = {
+ .name = "qoriq-cpufreq",
+ },
+ .probe = qoriq_cpufreq_probe,
+ .remove = qoriq_cpufreq_remove,
+};
+module_platform_driver(qoriq_cpufreq_platform_driver);
+
+MODULE_ALIAS("platform:qoriq-cpufreq");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Tang Yuantian <Yuantian.Tang@freescale.com>");
MODULE_DESCRIPTION("cpufreq driver for Freescale QorIQ series SoCs");
diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
index 99a2d72ac02b..51a7e89085c0 100644
--- a/drivers/cpuidle/Kconfig.arm
+++ b/drivers/cpuidle/Kconfig.arm
@@ -94,3 +94,16 @@ config ARM_TEGRA_CPUIDLE
select ARM_CPU_SUSPEND
help
Select this to enable cpuidle for NVIDIA Tegra20/30/114/124 SoCs.
+
+config ARM_QCOM_SPM_CPUIDLE
+ bool "CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)"
+ depends on (ARCH_QCOM || COMPILE_TEST) && !ARM64
+ select ARM_CPU_SUSPEND
+ select CPU_IDLE_MULTIPLE_DRIVERS
+ select DT_IDLE_STATES
+ select QCOM_SCM
+ help
+ Select this to enable cpuidle for Qualcomm processors.
+ The Subsystem Power Manager (SPM) controls low power modes for the
+ CPU and L2 cores. It interface with various system drivers to put
+ the cores in low power modes.
diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile
index 55a464f6a78b..f07800cbb43f 100644
--- a/drivers/cpuidle/Makefile
+++ b/drivers/cpuidle/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_ARM_PSCI_CPUIDLE) += cpuidle_psci.o
cpuidle_psci-y := cpuidle-psci.o
cpuidle_psci-$(CONFIG_PM_GENERIC_DOMAINS_OF) += cpuidle-psci-domain.o
obj-$(CONFIG_ARM_TEGRA_CPUIDLE) += cpuidle-tegra.o
+obj-$(CONFIG_ARM_QCOM_SPM_CPUIDLE) += cpuidle-qcom-spm.o
###############################################################################
# MIPS drivers
diff --git a/drivers/cpuidle/cpuidle-psci.c b/drivers/cpuidle/cpuidle-psci.c
index bae9140a65a5..d0fb585073c6 100644
--- a/drivers/cpuidle/cpuidle-psci.c
+++ b/drivers/cpuidle/cpuidle-psci.c
@@ -58,6 +58,10 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
u32 state;
int ret;
+ ret = cpu_pm_enter();
+ if (ret)
+ return -1;
+
/* Do runtime PM to manage a hierarchical CPU toplogy. */
pm_runtime_put_sync_suspend(pd_dev);
@@ -65,10 +69,12 @@ static int psci_enter_domain_idle_state(struct cpuidle_device *dev,
if (!state)
state = states[idx];
- ret = psci_enter_state(idx, state);
+ ret = psci_cpu_suspend_enter(state) ? -1 : idx;
pm_runtime_get_sync(pd_dev);
+ cpu_pm_exit();
+
/* Clear the domain state to start fresh when back from idle. */
psci_set_domain_state(0);
return ret;
diff --git a/drivers/soc/qcom/spm.c b/drivers/cpuidle/cpuidle-qcom-spm.c
index 8e10e02c6aa5..adf91a6e4d7d 100644
--- a/drivers/soc/qcom/spm.c
+++ b/drivers/cpuidle/cpuidle-qcom-spm.c
@@ -19,10 +19,11 @@
#include <linux/cpu_pm.h>
#include <linux/qcom_scm.h>
-#include <asm/cpuidle.h>
#include <asm/proc-fns.h>
#include <asm/suspend.h>
+#include "dt_idle_states.h"
+
#define MAX_PMIC_DATA 2
#define MAX_SEQ_DATA 64
#define SPM_CTL_INDEX 0x7f
@@ -62,6 +63,7 @@ struct spm_reg_data {
};
struct spm_driver_data {
+ struct cpuidle_driver cpuidle_driver;
void __iomem *reg_base;
const struct spm_reg_data *reg_data;
};
@@ -107,11 +109,6 @@ static const struct spm_reg_data spm_reg_8064_cpu = {
.start_index[PM_SLEEP_MODE_SPC] = 2,
};
-static DEFINE_PER_CPU(struct spm_driver_data *, cpu_spm_drv);
-
-typedef int (*idle_fn)(void);
-static DEFINE_PER_CPU(idle_fn*, qcom_idle_ops);
-
static inline void spm_register_write(struct spm_driver_data *drv,
enum spm_reg reg, u32 val)
{
@@ -172,10 +169,9 @@ static int qcom_pm_collapse(unsigned long int unused)
return -1;
}
-static int qcom_cpu_spc(void)
+static int qcom_cpu_spc(struct spm_driver_data *drv)
{
int ret;
- struct spm_driver_data *drv = __this_cpu_read(cpu_spm_drv);
spm_set_low_power_mode(drv, PM_SLEEP_MODE_SPC);
ret = cpu_suspend(0, qcom_pm_collapse);
@@ -190,94 +186,49 @@ static int qcom_cpu_spc(void)
return ret;
}
-static int qcom_idle_enter(unsigned long index)
+static int spm_enter_idle_state(struct cpuidle_device *dev,
+ struct cpuidle_driver *drv, int idx)
{
- return __this_cpu_read(qcom_idle_ops)[index]();
+ struct spm_driver_data *data = container_of(drv, struct spm_driver_data,
+ cpuidle_driver);
+
+ return CPU_PM_CPU_IDLE_ENTER_PARAM(qcom_cpu_spc, idx, data);
}
-static const struct of_device_id qcom_idle_state_match[] __initconst = {
- { .compatible = "qcom,idle-state-spc", .data = qcom_cpu_spc },
+static struct cpuidle_driver qcom_spm_idle_driver = {
+ .name = "qcom_spm",
+ .owner = THIS_MODULE,
+ .states[0] = {
+ .enter = spm_enter_idle_state,
+ .exit_latency = 1,
+ .target_residency = 1,
+ .power_usage = UINT_MAX,
+ .name = "WFI",
+ .desc = "ARM WFI",
+ }
+};
+
+static const struct of_device_id qcom_idle_state_match[] = {
+ { .compatible = "qcom,idle-state-spc", .data = spm_enter_idle_state },
{ },
};
-static int __init qcom_cpuidle_init(struct device_node *cpu_node, int cpu)
+static int spm_cpuidle_init(struct cpuidle_driver *drv, int cpu)
{
- const struct of_device_id *match_id;
- struct device_node *state_node;
- int i;
- int state_count = 1;
- idle_fn idle_fns[CPUIDLE_STATE_MAX];
- idle_fn *fns;
- cpumask_t mask;
- bool use_scm_power_down = false;
-
- if (!qcom_scm_is_available())
- return -EPROBE_DEFER;
-
- for (i = 0; ; i++) {
- state_node = of_parse_phandle(cpu_node, "cpu-idle-states", i);
- if (!state_node)
- break;
-
- if (!of_device_is_available(state_node))
- continue;
-
- if (i == CPUIDLE_STATE_MAX) {
- pr_warn("%s: cpuidle states reached max possible\n",
- __func__);
- break;
- }
-
- match_id = of_match_node(qcom_idle_state_match, state_node);
- if (!match_id)
- return -ENODEV;
-
- idle_fns[state_count] = match_id->data;
-
- /* Check if any of the states allow power down */
- if (match_id->data == qcom_cpu_spc)
- use_scm_power_down = true;
-
- state_count++;
- }
-
- if (state_count == 1)
- goto check_spm;
-
- fns = devm_kcalloc(get_cpu_device(cpu), state_count, sizeof(*fns),
- GFP_KERNEL);
- if (!fns)
- return -ENOMEM;
-
- for (i = 1; i < state_count; i++)
- fns[i] = idle_fns[i];
+ int ret;
- if (use_scm_power_down) {
- /* We have atleast one power down mode */
- cpumask_clear(&mask);
- cpumask_set_cpu(cpu, &mask);
- qcom_scm_set_warm_boot_addr(cpu_resume_arm, &mask);
- }
+ memcpy(drv, &qcom_spm_idle_driver, sizeof(*drv));
+ drv->cpumask = (struct cpumask *)cpumask_of(cpu);
- per_cpu(qcom_idle_ops, cpu) = fns;
+ /* Parse idle states from device tree */
+ ret = dt_init_idle_driver(drv, qcom_idle_state_match, 1);
+ if (ret <= 0)
+ return ret ? : -ENODEV;
- /*
- * SPM probe for the cpu should have happened by now, if the
- * SPM device does not exist, return -ENXIO to indicate that the
- * cpu does not support idle states.
- */
-check_spm:
- return per_cpu(cpu_spm_drv, cpu) ? 0 : -ENXIO;
+ /* We have atleast one power down mode */
+ return qcom_scm_set_warm_boot_addr(cpu_resume_arm, drv->cpumask);
}
-static const struct cpuidle_ops qcom_cpuidle_ops __initconst = {
- .suspend = qcom_idle_enter,
- .init = qcom_cpuidle_init,
-};
-
-CPUIDLE_METHOD_OF_DECLARE(qcom_idle_v1, "qcom,kpss-acc-v1", &qcom_cpuidle_ops);
-CPUIDLE_METHOD_OF_DECLARE(qcom_idle_v2, "qcom,kpss-acc-v2", &qcom_cpuidle_ops);
-
static struct spm_driver_data *spm_get_drv(struct platform_device *pdev,
int *spm_cpu)
{
@@ -323,11 +274,15 @@ static int spm_dev_probe(struct platform_device *pdev)
struct resource *res;
const struct of_device_id *match_id;
void __iomem *addr;
- int cpu;
+ int cpu, ret;
+
+ if (!qcom_scm_is_available())
+ return -EPROBE_DEFER;
drv = spm_get_drv(pdev, &cpu);
if (!drv)
return -EINVAL;
+ platform_set_drvdata(pdev, drv);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
drv->reg_base = devm_ioremap_resource(&pdev->dev, res);
@@ -340,6 +295,10 @@ static int spm_dev_probe(struct platform_device *pdev)
drv->reg_data = match_id->data;
+ ret = spm_cpuidle_init(&drv->cpuidle_driver, cpu);
+ if (ret)
+ return ret;
+
/* Write the SPM sequences first.. */
addr = drv->reg_base + drv->reg_data->reg_offset[SPM_REG_SEQ_ENTRY];
__iowrite32_copy(addr, drv->reg_data->seq,
@@ -362,13 +321,20 @@ static int spm_dev_probe(struct platform_device *pdev)
/* Set up Standby as the default low power mode */
spm_set_low_power_mode(drv, PM_SLEEP_MODE_STBY);
- per_cpu(cpu_spm_drv, cpu) = drv;
+ return cpuidle_register(&drv->cpuidle_driver, NULL);
+}
+
+static int spm_dev_remove(struct platform_device *pdev)
+{
+ struct spm_driver_data *drv = platform_get_drvdata(pdev);
+ cpuidle_unregister(&drv->cpuidle_driver);
return 0;
}
static struct platform_driver spm_driver = {
.probe = spm_dev_probe,
+ .remove = spm_dev_remove,
.driver = {
.name = "saw",
.of_match_table = spm_match_table,
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index cdeedbf02646..091d1caceb41 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -18,14 +18,6 @@
#include "cpuidle.h"
-static unsigned int sysfs_switch;
-static int __init cpuidle_sysfs_setup(char *unused)
-{
- sysfs_switch = 1;
- return 1;
-}
-__setup("cpuidle_sysfs_switch", cpuidle_sysfs_setup);
-
static ssize_t show_available_governors(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -35,10 +27,10 @@ static ssize_t show_available_governors(struct device *dev,
mutex_lock(&cpuidle_lock);
list_for_each_entry(tmp, &cpuidle_governors, governor_list) {
- if (i >= (ssize_t) ((PAGE_SIZE/sizeof(char)) -
- CPUIDLE_NAME_LEN - 2))
+ if (i >= (ssize_t) (PAGE_SIZE - (CPUIDLE_NAME_LEN + 2)))
goto out;
- i += scnprintf(&buf[i], CPUIDLE_NAME_LEN, "%s ", tmp->name);
+
+ i += scnprintf(&buf[i], CPUIDLE_NAME_LEN + 1, "%s ", tmp->name);
}
out:
@@ -85,58 +77,43 @@ static ssize_t store_current_governor(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
- char gov_name[CPUIDLE_NAME_LEN];
- int ret = -EINVAL;
- size_t len = count;
+ char gov_name[CPUIDLE_NAME_LEN + 1];
+ int ret;
struct cpuidle_governor *gov;
- if (!len || len >= sizeof(gov_name))
+ ret = sscanf(buf, "%" __stringify(CPUIDLE_NAME_LEN) "s", gov_name);
+ if (ret != 1)
return -EINVAL;
- memcpy(gov_name, buf, len);
- gov_name[len] = '\0';
- if (gov_name[len - 1] == '\n')
- gov_name[--len] = '\0';
-
mutex_lock(&cpuidle_lock);
-
+ ret = -EINVAL;
list_for_each_entry(gov, &cpuidle_governors, governor_list) {
- if (strlen(gov->name) == len && !strcmp(gov->name, gov_name)) {
+ if (!strncmp(gov->name, gov_name, CPUIDLE_NAME_LEN)) {
ret = cpuidle_switch_governor(gov);
break;
}
}
-
mutex_unlock(&cpuidle_lock);
- if (ret)
- return ret;
- else
- return count;
+ return ret ? ret : count;
}
-static DEVICE_ATTR(current_driver, 0444, show_current_driver, NULL);
-static DEVICE_ATTR(current_governor_ro, 0444, show_current_governor, NULL);
-
-static struct attribute *cpuidle_default_attrs[] = {
- &dev_attr_current_driver.attr,
- &dev_attr_current_governor_ro.attr,
- NULL
-};
-
static DEVICE_ATTR(available_governors, 0444, show_available_governors, NULL);
+static DEVICE_ATTR(current_driver, 0444, show_current_driver, NULL);
static DEVICE_ATTR(current_governor, 0644, show_current_governor,
- store_current_governor);
+ store_current_governor);
+static DEVICE_ATTR(current_governor_ro, 0444, show_current_governor, NULL);
-static struct attribute *cpuidle_switch_attrs[] = {
+static struct attribute *cpuidle_attrs[] = {
&dev_attr_available_governors.attr,
&dev_attr_current_driver.attr,
&dev_attr_current_governor.attr,
+ &dev_attr_current_governor_ro.attr,
NULL
};
static struct attribute_group cpuidle_attr_group = {
- .attrs = cpuidle_default_attrs,
+ .attrs = cpuidle_attrs,
.name = "cpuidle",
};
@@ -146,9 +123,6 @@ static struct attribute_group cpuidle_attr_group = {
*/
int cpuidle_add_interface(struct device *dev)
{
- if (sysfs_switch)
- cpuidle_attr_group.attrs = cpuidle_switch_attrs;
-
return sysfs_create_group(&dev->kobj, &cpuidle_attr_group);
}
@@ -167,11 +141,6 @@ struct cpuidle_attr {
ssize_t (*store)(struct cpuidle_device *, const char *, size_t count);
};
-#define define_one_ro(_name, show) \
- static struct cpuidle_attr attr_##_name = __ATTR(_name, 0444, show, NULL)
-#define define_one_rw(_name, show, store) \
- static struct cpuidle_attr attr_##_name = __ATTR(_name, 0644, show, store)
-
#define attr_to_cpuidleattr(a) container_of(a, struct cpuidle_attr, attr)
struct cpuidle_device_kobj {
@@ -431,12 +400,12 @@ static inline void cpuidle_remove_s2idle_attr_group(struct cpuidle_state_kobj *k
#define attr_to_stateattr(a) container_of(a, struct cpuidle_state_attr, attr)
static ssize_t cpuidle_state_show(struct kobject *kobj, struct attribute *attr,
- char * buf)
+ char *buf)
{
int ret = -EIO;
struct cpuidle_state *state = kobj_to_state(kobj);
struct cpuidle_state_usage *state_usage = kobj_to_state_usage(kobj);
- struct cpuidle_state_attr * cattr = attr_to_stateattr(attr);
+ struct cpuidle_state_attr *cattr = attr_to_stateattr(attr);
if (cattr->show)
ret = cattr->show(state, state_usage, buf);
@@ -515,7 +484,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device)
ret = kobject_init_and_add(&kobj->kobj, &ktype_state_cpuidle,
&kdev->kobj, "state%d", i);
if (ret) {
- kfree(kobj);
+ kobject_put(&kobj->kobj);
goto error_state;
}
cpuidle_add_s2idle_attr_group(kobj);
@@ -646,7 +615,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev)
ret = kobject_init_and_add(&kdrv->kobj, &ktype_driver_cpuidle,
&kdev->kobj, "driver");
if (ret) {
- kfree(kdrv);
+ kobject_put(&kdrv->kobj);
return ret;
}
@@ -740,7 +709,7 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev)
error = kobject_init_and_add(&kdev->kobj, &ktype_cpuidle, &cpu_dev->kobj,
"cpuidle");
if (error) {
- kfree(kdev);
+ kobject_put(&kdev->kobj);
return error;
}
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
index a5fd8975f3d3..a6abb701bfc6 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
@@ -8,7 +8,7 @@
* This file add support for AES cipher with 128,192,256 bits keysize in
* CBC and ECB mode.
*
- * You could find a link for the datasheet in Documentation/arm/sunxi/README
+ * You could find a link for the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/crypto.h>
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index 3e4e4bbda34c..b957061424a1 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -7,7 +7,7 @@
*
* Core file which registers crypto algorithms supported by the CryptoEngine.
*
- * You could find a link for the datasheet in Documentation/arm/sunxi/README
+ * You could find a link for the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/clk.h>
#include <linux/crypto.h>
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
index 84d52fc3a2da..c89cb2ee2496 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-cipher.c
@@ -8,7 +8,7 @@
* This file add support for AES cipher with 128,192,256 bits keysize in
* CBC and ECB mode.
*
- * You could find a link for the datasheet in Documentation/arm/sunxi/README
+ * You could find a link for the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/crypto.h>
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
index 6b301afffd11..5d9d0fedcb06 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
@@ -7,7 +7,7 @@
*
* Core file which registers crypto algorithms supported by the SecuritySystem
*
- * You could find a link for the datasheet in Documentation/arm/sunxi/README
+ * You could find a link for the datasheet in Documentation/arm/sunxi.rst
*/
#include <linux/clk.h>
#include <linux/crypto.h>
@@ -537,10 +537,8 @@ static int sun8i_ss_probe(struct platform_device *pdev)
return err;
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(ss->dev, "Cannot get SecuritySystem IRQ\n");
+ if (irq < 0)
return irq;
- }
ss->reset = devm_reset_control_get(&pdev->dev, NULL);
if (IS_ERR(ss->reset)) {
diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index 9d4ead2f7ebb..411857fad8ba 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -253,10 +253,8 @@ static int meson_crypto_probe(struct platform_device *pdev)
mc->irqs = devm_kcalloc(mc->dev, MAXFLOW, sizeof(int), GFP_KERNEL);
for (i = 0; i < MAXFLOW; i++) {
mc->irqs[i] = platform_get_irq(pdev, i);
- if (mc->irqs[i] < 0) {
- dev_err(mc->dev, "Cannot get IRQ for flow %d\n", i);
+ if (mc->irqs[i] < 0)
return mc->irqs[i];
- }
err = devm_request_irq(&pdev->dev, mc->irqs[i], meson_irq_handler, 0,
"gxl-crypto", mc);
diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
index e536e2a6bbd8..75ccf41a7cb9 100644
--- a/drivers/crypto/atmel-sha.c
+++ b/drivers/crypto/atmel-sha.c
@@ -31,7 +31,6 @@
#include <linux/of_device.h>
#include <linux/delay.h>
#include <linux/crypto.h>
-#include <linux/cryptohash.h>
#include <crypto/scatterwalk.h>
#include <crypto/algapi.h>
#include <crypto/sha.h>
diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c
index fcf1effc7661..62ba0325a618 100644
--- a/drivers/crypto/axis/artpec6_crypto.c
+++ b/drivers/crypto/axis/artpec6_crypto.c
@@ -2239,16 +2239,12 @@ artpec6_crypto_hash_set_key(struct crypto_ahash *tfm,
blocksize = crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
if (keylen > blocksize) {
- SHASH_DESC_ON_STACK(hdesc, tfm_ctx->child_hash);
-
- hdesc->tfm = tfm_ctx->child_hash;
-
tfm_ctx->hmac_key_length = blocksize;
- ret = crypto_shash_digest(hdesc, key, keylen,
- tfm_ctx->hmac_key);
+
+ ret = crypto_shash_tfm_digest(tfm_ctx->child_hash, key, keylen,
+ tfm_ctx->hmac_key);
if (ret)
return ret;
-
} else {
memcpy(tfm_ctx->hmac_key, key, keylen);
tfm_ctx->hmac_key_length = keylen;
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c
index c8b9408541a9..a353217a0d33 100644
--- a/drivers/crypto/bcm/cipher.c
+++ b/drivers/crypto/bcm/cipher.c
@@ -308,9 +308,9 @@ static int handle_skcipher_req(struct iproc_reqctx_s *rctx)
container_of(areq, struct skcipher_request, base);
struct iproc_ctx_s *ctx = rctx->ctx;
struct spu_cipher_parms cipher_parms;
- int err = 0;
- unsigned int chunksize = 0; /* Num bytes of request to submit */
- int remaining = 0; /* Bytes of request still to process */
+ int err;
+ unsigned int chunksize; /* Num bytes of request to submit */
+ int remaining; /* Bytes of request still to process */
int chunk_start; /* Beginning of data for current SPU msg */
/* IV or ctr value to use in this SPU msg */
@@ -698,7 +698,7 @@ static int handle_ahash_req(struct iproc_reqctx_s *rctx)
/* number of bytes still to be hashed in this req */
unsigned int nbytes_to_hash = 0;
- int err = 0;
+ int err;
unsigned int chunksize = 0; /* length of hash carry + new data */
/*
* length of new data, not from hash carry, to be submitted in
@@ -1664,7 +1664,7 @@ static void spu_rx_callback(struct mbox_client *cl, void *msg)
struct spu_hw *spu = &iproc_priv.spu;
struct brcm_message *mssg = msg;
struct iproc_reqctx_s *rctx;
- int err = 0;
+ int err;
rctx = mssg->ctx;
if (unlikely(!rctx)) {
@@ -1967,7 +1967,7 @@ static int ahash_enqueue(struct ahash_request *req)
struct iproc_reqctx_s *rctx = ahash_request_ctx(req);
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct iproc_ctx_s *ctx = crypto_ahash_ctx(tfm);
- int err = 0;
+ int err;
const char *alg_name;
flow_log("ahash_enqueue() nbytes:%u\n", req->nbytes);
@@ -2299,7 +2299,7 @@ ahash_finup_exit:
static int ahash_digest(struct ahash_request *req)
{
- int err = 0;
+ int err;
flow_log("ahash_digest() nbytes:%u\n", req->nbytes);
@@ -4436,7 +4436,7 @@ static int spu_mb_init(struct device *dev)
for (i = 0; i < iproc_priv.spu.num_chan; i++) {
iproc_priv.mbox[i] = mbox_request_channel(mcl, i);
if (IS_ERR(iproc_priv.mbox[i])) {
- err = (int)PTR_ERR(iproc_priv.mbox[i]);
+ err = PTR_ERR(iproc_priv.mbox[i]);
dev_err(dev,
"Mbox channel %d request failed with err %d",
i, err);
@@ -4717,21 +4717,20 @@ static int spu_dt_read(struct platform_device *pdev)
matched_spu_type = of_device_get_match_data(dev);
if (!matched_spu_type) {
- dev_err(&pdev->dev, "Failed to match device\n");
+ dev_err(dev, "Failed to match device\n");
return -ENODEV;
}
spu->spu_type = matched_spu_type->type;
spu->spu_subtype = matched_spu_type->subtype;
- i = 0;
for (i = 0; (i < MAX_SPUS) && ((spu_ctrl_regs =
platform_get_resource(pdev, IORESOURCE_MEM, i)) != NULL); i++) {
spu->reg_vbase[i] = devm_ioremap_resource(dev, spu_ctrl_regs);
if (IS_ERR(spu->reg_vbase[i])) {
err = PTR_ERR(spu->reg_vbase[i]);
- dev_err(&pdev->dev, "Failed to map registers: %d\n",
+ dev_err(dev, "Failed to map registers: %d\n",
err);
spu->reg_vbase[i] = NULL;
return err;
@@ -4747,7 +4746,7 @@ static int bcm_spu_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct spu_hw *spu = &iproc_priv.spu;
- int err = 0;
+ int err;
iproc_priv.pdev = pdev;
platform_set_drvdata(iproc_priv.pdev,
@@ -4757,7 +4756,7 @@ static int bcm_spu_probe(struct platform_device *pdev)
if (err < 0)
goto failure;
- err = spu_mb_init(&pdev->dev);
+ err = spu_mb_init(dev);
if (err < 0)
goto failure;
@@ -4766,7 +4765,7 @@ static int bcm_spu_probe(struct platform_device *pdev)
else if (spu->spu_type == SPU_TYPE_SPU2)
iproc_priv.bcm_hdr_len = 0;
- spu_functions_register(&pdev->dev, spu->spu_type, spu->spu_subtype);
+ spu_functions_register(dev, spu->spu_type, spu->spu_subtype);
spu_counters_init();
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index b7bb7c30adeb..b2f9882bc010 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -963,10 +963,12 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err,
struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
struct aead_edesc *edesc;
int ecode = 0;
+ bool has_bklog;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = rctx->edesc;
+ has_bklog = edesc->bklog;
if (err)
ecode = caam_jr_strstatus(jrdev, err);
@@ -979,7 +981,7 @@ static void aead_crypt_done(struct device *jrdev, u32 *desc, u32 err,
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
aead_request_complete(req, ecode);
else
crypto_finalize_aead_request(jrp->engine, req, ecode);
@@ -995,10 +997,12 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err,
struct caam_drv_private_jr *jrp = dev_get_drvdata(jrdev);
int ivsize = crypto_skcipher_ivsize(skcipher);
int ecode = 0;
+ bool has_bklog;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = rctx->edesc;
+ has_bklog = edesc->bklog;
if (err)
ecode = caam_jr_strstatus(jrdev, err);
@@ -1028,7 +1032,7 @@ static void skcipher_crypt_done(struct device *jrdev, u32 *desc, u32 err,
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
skcipher_request_complete(req, ecode);
else
crypto_finalize_skcipher_request(jrp->engine, req, ecode);
@@ -1711,7 +1715,7 @@ static struct skcipher_edesc *skcipher_edesc_alloc(struct skcipher_request *req,
if (ivsize || mapped_dst_nents > 1)
sg_to_sec4_set_last(edesc->sec4_sg + dst_sg_idx +
- mapped_dst_nents);
+ mapped_dst_nents - 1 + !!ivsize);
if (sec4_sg_bytes) {
edesc->sec4_sg_dma = dma_map_single(jrdev, edesc->sec4_sg,
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 943bc0296267..27ff4a3d037e 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -583,10 +583,12 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err,
struct caam_hash_state *state = ahash_request_ctx(req);
struct caam_hash_ctx *ctx = crypto_ahash_ctx(ahash);
int ecode = 0;
+ bool has_bklog;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = state->edesc;
+ has_bklog = edesc->bklog;
if (err)
ecode = caam_jr_strstatus(jrdev, err);
@@ -603,7 +605,7 @@ static inline void ahash_done_cpy(struct device *jrdev, u32 *desc, u32 err,
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
req->base.complete(&req->base, ecode);
else
crypto_finalize_hash_request(jrp->engine, req, ecode);
@@ -632,10 +634,12 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err,
struct caam_hash_state *state = ahash_request_ctx(req);
int digestsize = crypto_ahash_digestsize(ahash);
int ecode = 0;
+ bool has_bklog;
dev_dbg(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
edesc = state->edesc;
+ has_bklog = edesc->bklog;
if (err)
ecode = caam_jr_strstatus(jrdev, err);
@@ -663,7 +667,7 @@ static inline void ahash_done_switch(struct device *jrdev, u32 *desc, u32 err,
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
req->base.complete(&req->base, ecode);
else
crypto_finalize_hash_request(jrp->engine, req, ecode);
diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c
index 4fcae37a2e33..2e44d685618f 100644
--- a/drivers/crypto/caam/caampkc.c
+++ b/drivers/crypto/caam/caampkc.c
@@ -121,11 +121,13 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
struct caam_drv_private_jr *jrp = dev_get_drvdata(dev);
struct rsa_edesc *edesc;
int ecode = 0;
+ bool has_bklog;
if (err)
ecode = caam_jr_strstatus(dev, err);
edesc = req_ctx->edesc;
+ has_bklog = edesc->bklog;
rsa_pub_unmap(dev, edesc, req);
rsa_io_unmap(dev, edesc, req);
@@ -135,7 +137,7 @@ static void rsa_pub_done(struct device *dev, u32 *desc, u32 err, void *context)
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
akcipher_request_complete(req, ecode);
else
crypto_finalize_akcipher_request(jrp->engine, req, ecode);
@@ -152,11 +154,13 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err,
struct caam_rsa_req_ctx *req_ctx = akcipher_request_ctx(req);
struct rsa_edesc *edesc;
int ecode = 0;
+ bool has_bklog;
if (err)
ecode = caam_jr_strstatus(dev, err);
edesc = req_ctx->edesc;
+ has_bklog = edesc->bklog;
switch (key->priv_form) {
case FORM1:
@@ -176,7 +180,7 @@ static void rsa_priv_f_done(struct device *dev, u32 *desc, u32 err,
* If no backlog flag, the completion of the request is done
* by CAAM, not crypto engine.
*/
- if (!edesc->bklog)
+ if (!has_bklog)
akcipher_request_complete(req, ecode);
else
crypto_finalize_akcipher_request(jrp->engine, req, ecode);
diff --git a/drivers/crypto/cavium/nitrox/nitrox_main.c b/drivers/crypto/cavium/nitrox/nitrox_main.c
index e91be9b8b083..788c6607078b 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_main.c
+++ b/drivers/crypto/cavium/nitrox/nitrox_main.c
@@ -346,7 +346,7 @@ static void nitrox_pf_sw_cleanup(struct nitrox_device *ndev)
}
/**
- * nitrox_bist_check - Check NITORX BIST registers status
+ * nitrox_bist_check - Check NITROX BIST registers status
* @ndev: NITROX device
*/
static int nitrox_bist_check(struct nitrox_device *ndev)
diff --git a/drivers/crypto/ccp/Kconfig b/drivers/crypto/ccp/Kconfig
index e0a8bd15aa74..32268e239bf1 100644
--- a/drivers/crypto/ccp/Kconfig
+++ b/drivers/crypto/ccp/Kconfig
@@ -10,10 +10,9 @@ config CRYPTO_DEV_CCP_DD
config CRYPTO_DEV_SP_CCP
bool "Cryptographic Coprocessor device"
default y
- depends on CRYPTO_DEV_CCP_DD
+ depends on CRYPTO_DEV_CCP_DD && DMADEVICES
select HW_RANDOM
select DMA_ENGINE
- select DMADEVICES
select CRYPTO_SHA1
select CRYPTO_SHA256
help
diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index 474e6f1a6a84..b0cc2bd73af8 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -272,9 +272,6 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
{
struct ccp_ctx *ctx = crypto_tfm_ctx(crypto_ahash_tfm(tfm));
struct crypto_shash *shash = ctx->u.sha.hmac_tfm;
-
- SHASH_DESC_ON_STACK(sdesc, shash);
-
unsigned int block_size = crypto_shash_blocksize(shash);
unsigned int digest_size = crypto_shash_digestsize(shash);
int i, ret;
@@ -289,10 +286,8 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
if (key_len > block_size) {
/* Must hash the input key */
- sdesc->tfm = shash;
-
- ret = crypto_shash_digest(sdesc, key, key_len,
- ctx->u.sha.key);
+ ret = crypto_shash_tfm_digest(shash, key, key_len,
+ ctx->u.sha.key);
if (ret)
return -EINVAL;
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 896f190b9a50..a2426334be61 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -20,6 +20,7 @@
#include <linux/hw_random.h>
#include <linux/ccp.h>
#include <linux/firmware.h>
+#include <linux/gfp.h>
#include <asm/smp.h>
@@ -44,6 +45,14 @@ MODULE_PARM_DESC(psp_probe_timeout, " default timeout value, in seconds, during
static bool psp_dead;
static int psp_timeout;
+/* Trusted Memory Region (TMR):
+ * The TMR is a 1MB area that must be 1MB aligned. Use the page allocator
+ * to allocate the memory, which will return aligned memory for the specified
+ * allocation order.
+ */
+#define SEV_ES_TMR_SIZE (1024 * 1024)
+static void *sev_es_tmr;
+
static inline bool sev_version_greater_or_equal(u8 maj, u8 min)
{
struct sev_device *sev = psp_master->sev_data;
@@ -214,6 +223,20 @@ static int __sev_platform_init_locked(int *error)
if (sev->state == SEV_STATE_INIT)
return 0;
+ if (sev_es_tmr) {
+ u64 tmr_pa;
+
+ /*
+ * Do not include the encryption mask on the physical
+ * address of the TMR (firmware should clear it anyway).
+ */
+ tmr_pa = __pa(sev_es_tmr);
+
+ sev->init_cmd_buf.flags |= SEV_INIT_FLAGS_SEV_ES;
+ sev->init_cmd_buf.tmr_address = tmr_pa;
+ sev->init_cmd_buf.tmr_len = SEV_ES_TMR_SIZE;
+ }
+
rc = __sev_do_cmd_locked(SEV_CMD_INIT, &sev->init_cmd_buf, error);
if (rc)
return rc;
@@ -371,8 +394,7 @@ static int sev_ioctl_do_pek_csr(struct sev_issue_cmd *argp, bool writable)
goto cmd;
/* allocate a physically contiguous buffer to store the CSR blob */
- if (!access_ok(input.address, input.length) ||
- input.length > SEV_FW_BLOB_MAX_SIZE) {
+ if (input.length > SEV_FW_BLOB_MAX_SIZE) {
ret = -EFAULT;
goto e_free;
}
@@ -609,12 +631,6 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp)
if (copy_from_user(&input, (void __user *)argp->data, sizeof(input)))
return -EFAULT;
- /* Check if we have write access to the userspace buffer */
- if (input.address &&
- input.length &&
- !access_ok(input.address, input.length))
- return -EFAULT;
-
data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -730,15 +746,13 @@ static int sev_ioctl_do_pdh_export(struct sev_issue_cmd *argp, bool writable)
goto cmd;
/* Allocate a physically contiguous buffer to store the PDH blob. */
- if ((input.pdh_cert_len > SEV_FW_BLOB_MAX_SIZE) ||
- !access_ok(input.pdh_cert_address, input.pdh_cert_len)) {
+ if (input.pdh_cert_len > SEV_FW_BLOB_MAX_SIZE) {
ret = -EFAULT;
goto e_free;
}
/* Allocate a physically contiguous buffer to store the cert chain blob. */
- if ((input.cert_chain_len > SEV_FW_BLOB_MAX_SIZE) ||
- !access_ok(input.cert_chain_address, input.cert_chain_len)) {
+ if (input.cert_chain_len > SEV_FW_BLOB_MAX_SIZE) {
ret = -EFAULT;
goto e_free;
}
@@ -1012,6 +1026,7 @@ EXPORT_SYMBOL_GPL(sev_issue_cmd_external_user);
void sev_pci_init(void)
{
struct sev_device *sev = psp_master->sev_data;
+ struct page *tmr_page;
int error, rc;
if (!sev)
@@ -1041,6 +1056,16 @@ void sev_pci_init(void)
sev_update_firmware(sev->dev) == 0)
sev_get_api_version();
+ /* Obtain the TMR memory area for SEV-ES use */
+ tmr_page = alloc_pages(GFP_KERNEL, get_order(SEV_ES_TMR_SIZE));
+ if (tmr_page) {
+ sev_es_tmr = page_address(tmr_page);
+ } else {
+ sev_es_tmr = NULL;
+ dev_warn(sev->dev,
+ "SEV: TMR allocation failed, SEV-ES support unavailable\n");
+ }
+
/* Initialize the platform */
rc = sev_platform_init(&error);
if (rc && (error == SEV_RET_SECURE_DATA_INVALID)) {
@@ -1075,4 +1100,13 @@ void sev_pci_exit(void)
return;
sev_platform_shutdown(NULL);
+
+ if (sev_es_tmr) {
+ /* The TMR area was encrypted, flush it from the cache */
+ wbinvd_on_all_cpus();
+
+ free_pages((unsigned long)sev_es_tmr,
+ get_order(SEV_ES_TMR_SIZE));
+ sev_es_tmr = NULL;
+ }
}
diff --git a/drivers/crypto/ccree/cc_cipher.c b/drivers/crypto/ccree/cc_cipher.c
index a84335328f37..872ea3ff1c6b 100644
--- a/drivers/crypto/ccree/cc_cipher.c
+++ b/drivers/crypto/ccree/cc_cipher.c
@@ -427,12 +427,9 @@ static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key,
int key_len = keylen >> 1;
int err;
- SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm);
-
- desc->tfm = ctx_p->shash_tfm;
-
- err = crypto_shash_digest(desc, ctx_p->user.key, key_len,
- ctx_p->user.key + key_len);
+ err = crypto_shash_tfm_digest(ctx_p->shash_tfm,
+ ctx_p->user.key, key_len,
+ ctx_p->user.key + key_len);
if (err) {
dev_err(dev, "Failed to hash ESSIV key.\n");
return err;
diff --git a/drivers/crypto/ccree/cc_debugfs.c b/drivers/crypto/ccree/cc_debugfs.c
index c454afce7781..7083767602fc 100644
--- a/drivers/crypto/ccree/cc_debugfs.c
+++ b/drivers/crypto/ccree/cc_debugfs.c
@@ -26,7 +26,7 @@ static struct debugfs_reg32 ver_sig_regs[] = {
{ .name = "VERSION" }, /* Must be 1st */
};
-static struct debugfs_reg32 pid_cid_regs[] = {
+static const struct debugfs_reg32 pid_cid_regs[] = {
CC_DEBUG_REG(PERIPHERAL_ID_0),
CC_DEBUG_REG(PERIPHERAL_ID_1),
CC_DEBUG_REG(PERIPHERAL_ID_2),
@@ -38,7 +38,7 @@ static struct debugfs_reg32 pid_cid_regs[] = {
CC_DEBUG_REG(COMPONENT_ID_3),
};
-static struct debugfs_reg32 debug_regs[] = {
+static const struct debugfs_reg32 debug_regs[] = {
CC_DEBUG_REG(HOST_IRR),
CC_DEBUG_REG(HOST_POWER_DOWN_EN),
CC_DEBUG_REG(AXIM_MON_ERR),
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index c29b80dd30d8..f26a7a15551a 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -44,7 +44,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/crypto.h>
-#include <linux/cryptohash.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/highmem.h>
@@ -256,7 +255,7 @@ static void get_aes_decrypt_key(unsigned char *dec_key,
return;
}
for (i = 0; i < nk; i++)
- w_ring[i] = be32_to_cpu(*(u32 *)&key[4 * i]);
+ w_ring[i] = get_unaligned_be32(&key[i * 4]);
i = 0;
temp = w_ring[nk - 1];
@@ -275,7 +274,7 @@ static void get_aes_decrypt_key(unsigned char *dec_key,
}
i--;
for (k = 0, j = i % nk; k < nk; k++) {
- *((u32 *)dec_key + k) = htonl(w_ring[j]);
+ put_unaligned_be32(w_ring[j], &dec_key[k * 4]);
j--;
if (j < 0)
j += nk;
@@ -1054,8 +1053,8 @@ static unsigned int adjust_ctr_overflow(u8 *iv, u32 bytes)
u32 temp = be32_to_cpu(*--b);
temp = ~temp;
- c = (u64)temp + 1; // No of block can processed withou overflow
- if ((bytes / AES_BLOCK_SIZE) > c)
+ c = (u64)temp + 1; // No of block can processed without overflow
+ if ((bytes / AES_BLOCK_SIZE) >= c)
bytes = c * AES_BLOCK_SIZE;
return bytes;
}
@@ -1077,7 +1076,14 @@ static int chcr_update_tweak(struct skcipher_request *req, u8 *iv,
keylen = ablkctx->enckey_len / 2;
key = ablkctx->key + keylen;
- ret = aes_expandkey(&aes, key, keylen);
+ /* For a 192 bit key remove the padded zeroes which was
+ * added in chcr_xts_setkey
+ */
+ if (KEY_CONTEXT_CK_SIZE_G(ntohl(ablkctx->key_ctx_hdr))
+ == CHCR_KEYCTX_CIPHER_KEY_SIZE_192)
+ ret = aes_expandkey(&aes, key, keylen - 8);
+ else
+ ret = aes_expandkey(&aes, key, keylen);
if (ret)
return ret;
aes_encrypt(&aes, iv, iv);
@@ -1158,15 +1164,16 @@ static int chcr_final_cipher_iv(struct skcipher_request *req,
static int chcr_handle_cipher_resp(struct skcipher_request *req,
unsigned char *input, int err)
{
+ struct chcr_skcipher_req_ctx *reqctx = skcipher_request_ctx(req);
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
- struct chcr_context *ctx = c_ctx(tfm);
- struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm));
- struct ablk_ctx *ablkctx = ABLK_CTX(c_ctx(tfm));
- struct sk_buff *skb;
struct cpl_fw6_pld *fw6_pld = (struct cpl_fw6_pld *)input;
- struct chcr_skcipher_req_ctx *reqctx = skcipher_request_ctx(req);
- struct cipher_wr_param wrparam;
+ struct ablk_ctx *ablkctx = ABLK_CTX(c_ctx(tfm));
+ struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm));
struct chcr_dev *dev = c_ctx(tfm)->dev;
+ struct chcr_context *ctx = c_ctx(tfm);
+ struct adapter *adap = padap(ctx->dev);
+ struct cipher_wr_param wrparam;
+ struct sk_buff *skb;
int bytes;
if (err)
@@ -1197,6 +1204,8 @@ static int chcr_handle_cipher_resp(struct skcipher_request *req,
if (unlikely(bytes == 0)) {
chcr_cipher_dma_unmap(&ULD_CTX(c_ctx(tfm))->lldi.pdev->dev,
req);
+ memcpy(req->iv, reqctx->init_iv, IV);
+ atomic_inc(&adap->chcr_stats.fallback);
err = chcr_cipher_fallback(ablkctx->sw_cipher,
req->base.flags,
req->src,
@@ -1248,20 +1257,28 @@ static int process_cipher(struct skcipher_request *req,
struct sk_buff **skb,
unsigned short op_type)
{
+ struct chcr_skcipher_req_ctx *reqctx = skcipher_request_ctx(req);
struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
unsigned int ivsize = crypto_skcipher_ivsize(tfm);
- struct chcr_skcipher_req_ctx *reqctx = skcipher_request_ctx(req);
struct ablk_ctx *ablkctx = ABLK_CTX(c_ctx(tfm));
+ struct adapter *adap = padap(c_ctx(tfm)->dev);
struct cipher_wr_param wrparam;
int bytes, err = -EINVAL;
+ int subtype;
reqctx->processed = 0;
reqctx->partial_req = 0;
if (!req->iv)
goto error;
+ subtype = get_cryptoalg_subtype(tfm);
if ((ablkctx->enckey_len == 0) || (ivsize > AES_BLOCK_SIZE) ||
(req->cryptlen == 0) ||
(req->cryptlen % crypto_skcipher_blocksize(tfm))) {
+ if (req->cryptlen == 0 && subtype != CRYPTO_ALG_SUB_TYPE_XTS)
+ goto fallback;
+ else if (req->cryptlen % crypto_skcipher_blocksize(tfm) &&
+ subtype == CRYPTO_ALG_SUB_TYPE_XTS)
+ goto fallback;
pr_err("AES: Invalid value of Key Len %d nbytes %d IV Len %d\n",
ablkctx->enckey_len, req->cryptlen, ivsize);
goto error;
@@ -1302,12 +1319,10 @@ static int process_cipher(struct skcipher_request *req,
} else {
bytes = req->cryptlen;
}
- if (get_cryptoalg_subtype(tfm) ==
- CRYPTO_ALG_SUB_TYPE_CTR) {
+ if (subtype == CRYPTO_ALG_SUB_TYPE_CTR) {
bytes = adjust_ctr_overflow(req->iv, bytes);
}
- if (get_cryptoalg_subtype(tfm) ==
- CRYPTO_ALG_SUB_TYPE_CTR_RFC3686) {
+ if (subtype == CRYPTO_ALG_SUB_TYPE_CTR_RFC3686) {
memcpy(reqctx->iv, ablkctx->nonce, CTR_RFC3686_NONCE_SIZE);
memcpy(reqctx->iv + CTR_RFC3686_NONCE_SIZE, req->iv,
CTR_RFC3686_IV_SIZE);
@@ -1315,20 +1330,25 @@ static int process_cipher(struct skcipher_request *req,
/* initialize counter portion of counter block */
*(__be32 *)(reqctx->iv + CTR_RFC3686_NONCE_SIZE +
CTR_RFC3686_IV_SIZE) = cpu_to_be32(1);
+ memcpy(reqctx->init_iv, reqctx->iv, IV);
} else {
memcpy(reqctx->iv, req->iv, IV);
+ memcpy(reqctx->init_iv, req->iv, IV);
}
if (unlikely(bytes == 0)) {
chcr_cipher_dma_unmap(&ULD_CTX(c_ctx(tfm))->lldi.pdev->dev,
req);
+fallback: atomic_inc(&adap->chcr_stats.fallback);
err = chcr_cipher_fallback(ablkctx->sw_cipher,
req->base.flags,
req->src,
req->dst,
req->cryptlen,
- reqctx->iv,
+ subtype ==
+ CRYPTO_ALG_SUB_TYPE_CTR_RFC3686 ?
+ reqctx->iv : req->iv,
op_type);
goto error;
}
@@ -1443,6 +1463,7 @@ static int chcr_device_init(struct chcr_context *ctx)
if (!ctx->dev) {
u_ctx = assign_chcr_device();
if (!u_ctx) {
+ err = -ENXIO;
pr_err("chcr device assignment fails\n");
goto out;
}
@@ -1757,7 +1778,7 @@ static int chcr_ahash_final(struct ahash_request *req)
struct uld_ctx *u_ctx = ULD_CTX(h_ctx(rtfm));
struct chcr_context *ctx = h_ctx(rtfm);
u8 bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
- int error = -EINVAL;
+ int error;
unsigned int cpu;
cpu = get_cpu();
@@ -1984,7 +2005,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
req_ctx->data_len += params.bfr_len + params.sg_len;
if (req->nbytes == 0) {
- create_last_hash_block(req_ctx->reqbfr, bs, 0);
+ create_last_hash_block(req_ctx->reqbfr, bs, req_ctx->data_len);
params.more = 1;
params.bfr_len = bs;
}
@@ -2250,12 +2271,28 @@ static int chcr_aes_xts_setkey(struct crypto_skcipher *cipher, const u8 *key,
ablkctx->enckey_len = key_len;
get_aes_decrypt_key(ablkctx->rrkey, ablkctx->key, key_len << 2);
context_size = (KEY_CONTEXT_HDR_SALT_AND_PAD + key_len) >> 4;
- ablkctx->key_ctx_hdr =
+ /* Both keys for xts must be aligned to 16 byte boundary
+ * by padding with zeros. So for 24 byte keys padding 8 zeroes.
+ */
+ if (key_len == 48) {
+ context_size = (KEY_CONTEXT_HDR_SALT_AND_PAD + key_len
+ + 16) >> 4;
+ memmove(ablkctx->key + 32, ablkctx->key + 24, 24);
+ memset(ablkctx->key + 24, 0, 8);
+ memset(ablkctx->key + 56, 0, 8);
+ ablkctx->enckey_len = 64;
+ ablkctx->key_ctx_hdr =
+ FILL_KEY_CTX_HDR(CHCR_KEYCTX_CIPHER_KEY_SIZE_192,
+ CHCR_KEYCTX_NO_KEY, 1,
+ 0, context_size);
+ } else {
+ ablkctx->key_ctx_hdr =
FILL_KEY_CTX_HDR((key_len == AES_KEYSIZE_256) ?
CHCR_KEYCTX_CIPHER_KEY_SIZE_128 :
CHCR_KEYCTX_CIPHER_KEY_SIZE_256,
CHCR_KEYCTX_NO_KEY, 1,
0, context_size);
+ }
ablkctx->ciph_mode = CHCR_SCMD_CIPHER_MODE_AES_XTS;
return 0;
badkey_err:
@@ -2556,7 +2593,7 @@ int chcr_aead_dma_map(struct device *dev,
int dst_size;
dst_size = req->assoclen + req->cryptlen + (op_type ?
- -authsize : authsize);
+ 0 : authsize);
if (!req->cryptlen || !dst_size)
return 0;
reqctx->iv_dma = dma_map_single(dev, reqctx->iv, (IV + reqctx->b0_len),
@@ -2603,15 +2640,16 @@ void chcr_aead_dma_unmap(struct device *dev,
int dst_size;
dst_size = req->assoclen + req->cryptlen + (op_type ?
- -authsize : authsize);
+ 0 : authsize);
if (!req->cryptlen || !dst_size)
return;
dma_unmap_single(dev, reqctx->iv_dma, (IV + reqctx->b0_len),
DMA_BIDIRECTIONAL);
if (req->src == req->dst) {
- dma_unmap_sg(dev, req->src, sg_nents(req->src),
- DMA_BIDIRECTIONAL);
+ dma_unmap_sg(dev, req->src,
+ sg_nents_for_len(req->src, dst_size),
+ DMA_BIDIRECTIONAL);
} else {
dma_unmap_sg(dev, req->src, sg_nents(req->src),
DMA_TO_DEVICE);
@@ -2888,8 +2926,7 @@ static int ccm_format_packet(struct aead_request *req,
memcpy(ivptr, req->iv, 16);
}
if (assoclen)
- *((unsigned short *)(reqctx->scratch_pad + 16)) =
- htons(assoclen);
+ put_unaligned_be16(assoclen, &reqctx->scratch_pad[16]);
rc = generate_b0(req, ivptr, op_type);
/* zero the ctr value */
@@ -2910,7 +2947,7 @@ static void fill_sec_cpl_for_aead(struct cpl_tx_sec_pdu *sec_cpl,
unsigned int mac_mode = CHCR_SCMD_AUTH_MODE_CBCMAC;
unsigned int rx_channel_id = reqctx->rxqidx / ctx->rxq_perchan;
unsigned int ccm_xtra;
- unsigned char tag_offset = 0, auth_offset = 0;
+ unsigned int tag_offset = 0, auth_offset = 0;
unsigned int assoclen;
if (get_aead_subtype(tfm) == CRYPTO_ALG_SUB_TYPE_AEAD_RFC4309)
@@ -3163,8 +3200,7 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
} else {
memcpy(ivptr, req->iv, GCM_AES_IV_SIZE);
}
- *((unsigned int *)(ivptr + 12)) = htonl(0x01);
-
+ put_unaligned_be32(0x01, &ivptr[12]);
ulptx = (struct ulptx_sgl *)(ivptr + 16);
chcr_add_aead_dst_ent(req, phys_cpl, qid);
@@ -3702,6 +3738,13 @@ static int chcr_aead_op(struct aead_request *req,
return -ENOSPC;
}
+ if (get_aead_subtype(tfm) == CRYPTO_ALG_SUB_TYPE_AEAD_RFC4106 &&
+ crypto_ipsec_check_assoclen(req->assoclen) != 0) {
+ pr_err("RFC4106: Invalid value of assoclen %d\n",
+ req->assoclen);
+ return -EINVAL;
+ }
+
/* Form a WR from req */
skb = create_wr_fn(req, u_ctx->lldi.rxq_ids[reqctx->rxqidx], size);
diff --git a/drivers/crypto/chelsio/chcr_core.c b/drivers/crypto/chelsio/chcr_core.c
index ffd4ec0c7374..bd8dac806e7a 100644
--- a/drivers/crypto/chelsio/chcr_core.c
+++ b/drivers/crypto/chelsio/chcr_core.c
@@ -33,6 +33,13 @@ static int cpl_fw6_pld_handler(struct adapter *adap, unsigned char *input);
static void *chcr_uld_add(const struct cxgb4_lld_info *lld);
static int chcr_uld_state_change(void *handle, enum cxgb4_state state);
+#if defined(CONFIG_CHELSIO_TLS_DEVICE)
+static const struct tlsdev_ops chcr_ktls_ops = {
+ .tls_dev_add = chcr_ktls_dev_add,
+ .tls_dev_del = chcr_ktls_dev_del,
+};
+#endif
+
#ifdef CONFIG_CHELSIO_IPSEC_INLINE
static void update_netdev_features(void);
#endif /* CONFIG_CHELSIO_IPSEC_INLINE */
@@ -56,6 +63,9 @@ static struct cxgb4_uld_info chcr_uld_info = {
#if defined(CONFIG_CHELSIO_IPSEC_INLINE) || defined(CONFIG_CHELSIO_TLS_DEVICE)
.tx_handler = chcr_uld_tx_handler,
#endif /* CONFIG_CHELSIO_IPSEC_INLINE || CONFIG_CHELSIO_TLS_DEVICE */
+#if defined(CONFIG_CHELSIO_TLS_DEVICE)
+ .tlsdev_ops = &chcr_ktls_ops,
+#endif
};
static void detach_work_fn(struct work_struct *work)
@@ -207,11 +217,6 @@ static void *chcr_uld_add(const struct cxgb4_lld_info *lld)
}
u_ctx->lldi = *lld;
chcr_dev_init(u_ctx);
-
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
- if (lld->ulp_crypto & ULP_CRYPTO_KTLS_INLINE)
- chcr_enable_ktls(padap(&u_ctx->dev));
-#endif
out:
return u_ctx;
}
@@ -348,20 +353,12 @@ static void __exit chcr_crypto_exit(void)
list_for_each_entry_safe(u_ctx, tmp, &drv_data.act_dev, entry) {
adap = padap(&u_ctx->dev);
memset(&adap->chcr_stats, 0, sizeof(adap->chcr_stats));
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
- if (u_ctx->lldi.ulp_crypto & ULP_CRYPTO_KTLS_INLINE)
- chcr_disable_ktls(adap);
-#endif
list_del(&u_ctx->entry);
kfree(u_ctx);
}
list_for_each_entry_safe(u_ctx, tmp, &drv_data.inact_dev, entry) {
adap = padap(&u_ctx->dev);
memset(&adap->chcr_stats, 0, sizeof(adap->chcr_stats));
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
- if (u_ctx->lldi.ulp_crypto & ULP_CRYPTO_KTLS_INLINE)
- chcr_disable_ktls(adap);
-#endif
list_del(&u_ctx->entry);
kfree(u_ctx);
}
diff --git a/drivers/crypto/chelsio/chcr_core.h b/drivers/crypto/chelsio/chcr_core.h
index 2c09672e00a4..67d77abd6775 100644
--- a/drivers/crypto/chelsio/chcr_core.h
+++ b/drivers/crypto/chelsio/chcr_core.h
@@ -37,6 +37,7 @@
#define __CHCR_CORE_H__
#include <crypto/algapi.h>
+#include <net/tls.h>
#include "t4_hw.h"
#include "cxgb4.h"
#include "t4_msg.h"
@@ -223,10 +224,15 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
int chcr_ipsec_xmit(struct sk_buff *skb, struct net_device *dev);
void chcr_add_xfrmops(const struct cxgb4_lld_info *lld);
#ifdef CONFIG_CHELSIO_TLS_DEVICE
-void chcr_enable_ktls(struct adapter *adap);
-void chcr_disable_ktls(struct adapter *adap);
int chcr_ktls_cpl_act_open_rpl(struct adapter *adap, unsigned char *input);
int chcr_ktls_cpl_set_tcb_rpl(struct adapter *adap, unsigned char *input);
int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev);
+extern int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
+ enum tls_offload_ctx_dir direction,
+ struct tls_crypto_info *crypto_info,
+ u32 start_offload_tcp_sn);
+extern void chcr_ktls_dev_del(struct net_device *netdev,
+ struct tls_context *tls_ctx,
+ enum tls_offload_ctx_dir direction);
#endif
#endif /* __CHCR_CORE_H__ */
diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h
index 542bebae001f..b3fdbdc25acb 100644
--- a/drivers/crypto/chelsio/chcr_crypto.h
+++ b/drivers/crypto/chelsio/chcr_crypto.h
@@ -302,6 +302,7 @@ struct chcr_skcipher_req_ctx {
unsigned int op;
u16 imm;
u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
+ u8 init_iv[CHCR_MAX_CRYPTO_IV_LEN];
u16 txqidx;
u16 rxqidx;
};
diff --git a/drivers/crypto/chelsio/chcr_ipsec.c b/drivers/crypto/chelsio/chcr_ipsec.c
index 9fd3b9d1ec2f..967babd67a51 100644
--- a/drivers/crypto/chelsio/chcr_ipsec.c
+++ b/drivers/crypto/chelsio/chcr_ipsec.c
@@ -40,7 +40,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/crypto.h>
-#include <linux/cryptohash.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/highmem.h>
@@ -294,9 +293,6 @@ static bool chcr_ipsec_offload_ok(struct sk_buff *skb, struct xfrm_state *x)
if (ipv6_ext_hdr(ipv6_hdr(skb)->nexthdr))
return false;
}
- /* Inline single pdu */
- if (skb_shinfo(skb)->gso_size)
- return false;
return true;
}
@@ -406,7 +402,7 @@ inline void *copy_esn_pktxt(struct sk_buff *skb,
xo = xfrm_offload(skb);
aadiv->spi = (esphdr->spi);
- seqlo = htonl(esphdr->seq_no);
+ seqlo = ntohl(esphdr->seq_no);
seqno = cpu_to_be64(seqlo + ((u64)xo->seq.hi << 32));
memcpy(aadiv->seq_no, &seqno, 8);
iv = skb_transport_header(skb) + sizeof(struct ip_esp_hdr);
diff --git a/drivers/crypto/chelsio/chcr_ktls.c b/drivers/crypto/chelsio/chcr_ktls.c
index cd1769ecdc1c..91dee616d15e 100644
--- a/drivers/crypto/chelsio/chcr_ktls.c
+++ b/drivers/crypto/chelsio/chcr_ktls.c
@@ -120,12 +120,10 @@ out:
static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
int new_state)
{
- unsigned long flags;
-
/* This function can be called from both rx (interrupt context) and tx
* queue contexts.
*/
- spin_lock_irqsave(&tx_info->lock, flags);
+ spin_lock_bh(&tx_info->lock);
switch (tx_info->connection_state) {
case KTLS_CONN_CLOSED:
tx_info->connection_state = new_state;
@@ -169,7 +167,7 @@ static int chcr_ktls_update_connection_state(struct chcr_ktls_info *tx_info,
pr_err("unknown KTLS connection state\n");
break;
}
- spin_unlock_irqrestore(&tx_info->lock, flags);
+ spin_unlock_bh(&tx_info->lock);
return tx_info->connection_state;
}
@@ -223,6 +221,7 @@ static int chcr_ktls_act_open_req(struct sock *sk,
return cxgb4_l2t_send(tx_info->netdev, skb, tx_info->l2te);
}
+#if IS_ENABLED(CONFIG_IPV6)
/*
* chcr_ktls_act_open_req6: creates TCB entry for ipv6 connection.
* @sk - tcp socket.
@@ -272,6 +271,7 @@ static int chcr_ktls_act_open_req6(struct sock *sk,
return cxgb4_l2t_send(tx_info->netdev, skb, tx_info->l2te);
}
+#endif /* #if IS_ENABLED(CONFIG_IPV6) */
/*
* chcr_setup_connection: create a TCB entry so that TP will form tcp packets.
@@ -292,20 +292,26 @@ static int chcr_setup_connection(struct sock *sk,
tx_info->atid = atid;
tx_info->ip_family = sk->sk_family;
- if (sk->sk_family == AF_INET ||
- (sk->sk_family == AF_INET6 && !sk->sk_ipv6only &&
- ipv6_addr_type(&sk->sk_v6_daddr) == IPV6_ADDR_MAPPED)) {
+ if (sk->sk_family == AF_INET) {
tx_info->ip_family = AF_INET;
ret = chcr_ktls_act_open_req(sk, tx_info, atid);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
- tx_info->ip_family = AF_INET6;
- ret =
- cxgb4_clip_get(tx_info->netdev,
- (const u32 *)&sk->sk_v6_rcv_saddr.in6_u.u6_addr8,
- 1);
- if (ret)
- goto out;
- ret = chcr_ktls_act_open_req6(sk, tx_info, atid);
+ if (!sk->sk_ipv6only &&
+ ipv6_addr_type(&sk->sk_v6_daddr) == IPV6_ADDR_MAPPED) {
+ tx_info->ip_family = AF_INET;
+ ret = chcr_ktls_act_open_req(sk, tx_info, atid);
+ } else {
+ tx_info->ip_family = AF_INET6;
+ ret = cxgb4_clip_get(tx_info->netdev,
+ (const u32 *)
+ &sk->sk_v6_rcv_saddr.s6_addr,
+ 1);
+ if (ret)
+ goto out;
+ ret = chcr_ktls_act_open_req6(sk, tx_info, atid);
+ }
+#endif
}
/* if return type is NET_XMIT_CN, msg will be sent but delayed, mark ret
@@ -375,9 +381,9 @@ static int chcr_ktls_mark_tcb_close(struct chcr_ktls_info *tx_info)
* @tls_cts - tls context.
* @direction - TX/RX crypto direction
*/
-static void chcr_ktls_dev_del(struct net_device *netdev,
- struct tls_context *tls_ctx,
- enum tls_offload_ctx_dir direction)
+void chcr_ktls_dev_del(struct net_device *netdev,
+ struct tls_context *tls_ctx,
+ enum tls_offload_ctx_dir direction)
{
struct chcr_ktls_ofld_ctx_tx *tx_ctx =
chcr_get_ktls_tx_context(tls_ctx);
@@ -396,11 +402,13 @@ static void chcr_ktls_dev_del(struct net_device *netdev,
if (tx_info->l2te)
cxgb4_l2t_release(tx_info->l2te);
+#if IS_ENABLED(CONFIG_IPV6)
/* clear clip entry */
if (tx_info->ip_family == AF_INET6)
cxgb4_clip_release(netdev,
(const u32 *)&sk->sk_v6_daddr.in6_u.u6_addr8,
1);
+#endif
/* clear tid */
if (tx_info->tid != -1) {
@@ -413,6 +421,8 @@ static void chcr_ktls_dev_del(struct net_device *netdev,
atomic64_inc(&tx_info->adap->chcr_stats.ktls_tx_connection_close);
kvfree(tx_info);
tx_ctx->chcr_info = NULL;
+ /* release module refcount */
+ module_put(THIS_MODULE);
}
/*
@@ -424,10 +434,10 @@ static void chcr_ktls_dev_del(struct net_device *netdev,
* @direction - TX/RX crypto direction
* return: SUCCESS/FAILURE.
*/
-static int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
- enum tls_offload_ctx_dir direction,
- struct tls_crypto_info *crypto_info,
- u32 start_offload_tcp_sn)
+int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
+ enum tls_offload_ctx_dir direction,
+ struct tls_crypto_info *crypto_info,
+ u32 start_offload_tcp_sn)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct chcr_ktls_ofld_ctx_tx *tx_ctx;
@@ -491,12 +501,16 @@ static int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
goto out2;
/* get peer ip */
- if (sk->sk_family == AF_INET ||
- (sk->sk_family == AF_INET6 && !sk->sk_ipv6only &&
- ipv6_addr_type(&sk->sk_v6_daddr) == IPV6_ADDR_MAPPED)) {
+ if (sk->sk_family == AF_INET) {
memcpy(daaddr, &sk->sk_daddr, 4);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
- memcpy(daaddr, sk->sk_v6_daddr.in6_u.u6_addr8, 16);
+ if (!sk->sk_ipv6only &&
+ ipv6_addr_type(&sk->sk_v6_daddr) == IPV6_ADDR_MAPPED)
+ memcpy(daaddr, &sk->sk_daddr, 4);
+ else
+ memcpy(daaddr, sk->sk_v6_daddr.in6_u.u6_addr8, 16);
+#endif
}
/* get the l2t index */
@@ -530,6 +544,12 @@ static int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
if (ret)
goto out2;
+ /* Driver shouldn't be removed until any single connection exists */
+ if (!try_module_get(THIS_MODULE)) {
+ ret = -EINVAL;
+ goto out2;
+ }
+
atomic64_inc(&adap->chcr_stats.ktls_tx_connection_open);
return 0;
out2:
@@ -539,43 +559,6 @@ out:
return ret;
}
-static const struct tlsdev_ops chcr_ktls_ops = {
- .tls_dev_add = chcr_ktls_dev_add,
- .tls_dev_del = chcr_ktls_dev_del,
-};
-
-/*
- * chcr_enable_ktls: add NETIF_F_HW_TLS_TX flag in all the ports.
- */
-void chcr_enable_ktls(struct adapter *adap)
-{
- struct net_device *netdev;
- int i;
-
- for_each_port(adap, i) {
- netdev = adap->port[i];
- netdev->features |= NETIF_F_HW_TLS_TX;
- netdev->hw_features |= NETIF_F_HW_TLS_TX;
- netdev->tlsdev_ops = &chcr_ktls_ops;
- }
-}
-
-/*
- * chcr_disable_ktls: remove NETIF_F_HW_TLS_TX flag from all the ports.
- */
-void chcr_disable_ktls(struct adapter *adap)
-{
- struct net_device *netdev;
- int i;
-
- for_each_port(adap, i) {
- netdev = adap->port[i];
- netdev->features &= ~NETIF_F_HW_TLS_TX;
- netdev->hw_features &= ~NETIF_F_HW_TLS_TX;
- netdev->tlsdev_ops = NULL;
- }
-}
-
/*
* chcr_init_tcb_fields: Initialize tcb fields to handle TCP seq number
* handling.
@@ -675,41 +658,14 @@ int chcr_ktls_cpl_set_tcb_rpl(struct adapter *adap, unsigned char *input)
return 0;
}
-/*
- * chcr_write_cpl_set_tcb_ulp: update tcb values.
- * TCB is responsible to create tcp headers, so all the related values
- * should be correctly updated.
- * @tx_info - driver specific tls info.
- * @q - tx queue on which packet is going out.
- * @tid - TCB identifier.
- * @pos - current index where should we start writing.
- * @word - TCB word.
- * @mask - TCB word related mask.
- * @val - TCB word related value.
- * @reply - set 1 if looking for TP response.
- * return - next position to write.
- */
-static void *chcr_write_cpl_set_tcb_ulp(struct chcr_ktls_info *tx_info,
- struct sge_eth_txq *q, u32 tid,
- void *pos, u16 word, u64 mask,
+static void *__chcr_write_cpl_set_tcb_ulp(struct chcr_ktls_info *tx_info,
+ u32 tid, void *pos, u16 word, u64 mask,
u64 val, u32 reply)
{
struct cpl_set_tcb_field_core *cpl;
struct ulptx_idata *idata;
struct ulp_txpkt *txpkt;
- void *save_pos = NULL;
- u8 buf[48] = {0};
- int left;
- left = (void *)q->q.stat - pos;
- if (unlikely(left < CHCR_SET_TCB_FIELD_LEN)) {
- if (!left) {
- pos = q->q.desc;
- } else {
- save_pos = pos;
- pos = buf;
- }
- }
/* ULP_TXPKT */
txpkt = pos;
txpkt->cmd_dest = htonl(ULPTX_CMD_V(ULP_TX_PKT) | ULP_TXPKT_DEST_V(0));
@@ -734,18 +690,54 @@ static void *chcr_write_cpl_set_tcb_ulp(struct chcr_ktls_info *tx_info,
idata = (struct ulptx_idata *)(cpl + 1);
idata->cmd_more = htonl(ULPTX_CMD_V(ULP_TX_SC_NOOP));
idata->len = htonl(0);
+ pos = idata + 1;
- if (save_pos) {
- pos = chcr_copy_to_txd(buf, &q->q, save_pos,
- CHCR_SET_TCB_FIELD_LEN);
- } else {
- /* check again if we are at the end of the queue */
- if (left == CHCR_SET_TCB_FIELD_LEN)
+ return pos;
+}
+
+
+/*
+ * chcr_write_cpl_set_tcb_ulp: update tcb values.
+ * TCB is responsible to create tcp headers, so all the related values
+ * should be correctly updated.
+ * @tx_info - driver specific tls info.
+ * @q - tx queue on which packet is going out.
+ * @tid - TCB identifier.
+ * @pos - current index where should we start writing.
+ * @word - TCB word.
+ * @mask - TCB word related mask.
+ * @val - TCB word related value.
+ * @reply - set 1 if looking for TP response.
+ * return - next position to write.
+ */
+static void *chcr_write_cpl_set_tcb_ulp(struct chcr_ktls_info *tx_info,
+ struct sge_eth_txq *q, u32 tid,
+ void *pos, u16 word, u64 mask,
+ u64 val, u32 reply)
+{
+ int left = (void *)q->q.stat - pos;
+
+ if (unlikely(left < CHCR_SET_TCB_FIELD_LEN)) {
+ if (!left) {
pos = q->q.desc;
- else
- pos = idata + 1;
+ } else {
+ u8 buf[48] = {0};
+
+ __chcr_write_cpl_set_tcb_ulp(tx_info, tid, buf, word,
+ mask, val, reply);
+
+ return chcr_copy_to_txd(buf, &q->q, pos,
+ CHCR_SET_TCB_FIELD_LEN);
+ }
}
+ pos = __chcr_write_cpl_set_tcb_ulp(tx_info, tid, pos, word,
+ mask, val, reply);
+
+ /* check again if we are at the end of the queue */
+ if (left == CHCR_SET_TCB_FIELD_LEN)
+ pos = q->q.desc;
+
return pos;
}
@@ -925,7 +917,9 @@ chcr_ktls_write_tcp_options(struct chcr_ktls_info *tx_info, struct sk_buff *skb,
struct fw_eth_tx_pkt_wr *wr;
struct cpl_tx_pkt_core *cpl;
u32 ctrl, iplen, maclen;
+#if IS_ENABLED(CONFIG_IPV6)
struct ipv6hdr *ip6;
+#endif
unsigned int ndesc;
struct tcphdr *tcp;
int len16, pktlen;
@@ -980,9 +974,11 @@ chcr_ktls_write_tcp_options(struct chcr_ktls_info *tx_info, struct sk_buff *skb,
/* we need to correct ip header len */
ip = (struct iphdr *)(buf + maclen);
ip->tot_len = htons(pktlen - maclen);
+#if IS_ENABLED(CONFIG_IPV6)
} else {
ip6 = (struct ipv6hdr *)(buf + maclen);
ip6->payload_len = htons(pktlen - maclen - iplen);
+#endif
}
/* now take care of the tcp header, if fin is not set then clear push
* bit as well, and if fin is set, it will be sent at the last so we
diff --git a/drivers/crypto/chelsio/chcr_ktls.h b/drivers/crypto/chelsio/chcr_ktls.h
index 5a7ae2ca446e..5cbd84b1da05 100644
--- a/drivers/crypto/chelsio/chcr_ktls.h
+++ b/drivers/crypto/chelsio/chcr_ktls.h
@@ -89,10 +89,15 @@ static inline int chcr_get_first_rx_qid(struct adapter *adap)
return u_ctx->lldi.rxq_ids[0];
}
-void chcr_enable_ktls(struct adapter *adap);
-void chcr_disable_ktls(struct adapter *adap);
int chcr_ktls_cpl_act_open_rpl(struct adapter *adap, unsigned char *input);
int chcr_ktls_cpl_set_tcb_rpl(struct adapter *adap, unsigned char *input);
int chcr_ktls_xmit(struct sk_buff *skb, struct net_device *dev);
+int chcr_ktls_dev_add(struct net_device *netdev, struct sock *sk,
+ enum tls_offload_ctx_dir direction,
+ struct tls_crypto_info *crypto_info,
+ u32 start_offload_tcp_sn);
+void chcr_ktls_dev_del(struct net_device *netdev,
+ struct tls_context *tls_ctx,
+ enum tls_offload_ctx_dir direction);
#endif /* CONFIG_CHELSIO_TLS_DEVICE */
#endif /* __CHCR_KTLS_H__ */
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index d5720a859443..9a642c79a657 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -18,13 +18,20 @@
#include <linux/kallsyms.h>
#include <linux/kprobes.h>
#include <linux/if_vlan.h>
+#include <linux/ipv6.h>
+#include <net/ipv6.h>
+#include <net/transp_v6.h>
+#include <net/ip6_route.h>
#include <net/inet_common.h>
#include <net/tcp.h>
#include <net/dst.h>
#include <net/tls.h>
+#include <net/addrconf.h>
+#include <net/secure_seq.h>
#include "chtls.h"
#include "chtls_cm.h"
+#include "clip_tbl.h"
/*
* State transitions and actions for close. Note that if we are in SYN_SENT
@@ -82,15 +89,36 @@ static void chtls_sock_release(struct kref *ref)
kfree(csk);
}
-static struct net_device *chtls_ipv4_netdev(struct chtls_dev *cdev,
+static struct net_device *chtls_find_netdev(struct chtls_dev *cdev,
struct sock *sk)
{
struct net_device *ndev = cdev->ports[0];
+ struct net_device *temp;
+ int addr_type;
+
+ switch (sk->sk_family) {
+ case PF_INET:
+ if (likely(!inet_sk(sk)->inet_rcv_saddr))
+ return ndev;
+ ndev = ip_dev_find(&init_net, inet_sk(sk)->inet_rcv_saddr);
+ break;
+ case PF_INET6:
+ addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr);
+ if (likely(addr_type == IPV6_ADDR_ANY))
+ return ndev;
+
+ for_each_netdev_rcu(&init_net, temp) {
+ if (ipv6_chk_addr(&init_net, (struct in6_addr *)
+ &sk->sk_v6_rcv_saddr, temp, 1)) {
+ ndev = temp;
+ break;
+ }
+ }
+ break;
+ default:
+ return NULL;
+ }
- if (likely(!inet_sk(sk)->inet_rcv_saddr))
- return ndev;
-
- ndev = ip_dev_find(&init_net, inet_sk(sk)->inet_rcv_saddr);
if (!ndev)
return NULL;
@@ -446,7 +474,10 @@ void chtls_destroy_sock(struct sock *sk)
free_tls_keyid(sk);
kref_put(&csk->kref, chtls_sock_release);
csk->cdev = NULL;
- sk->sk_prot = &tcp_prot;
+ if (sk->sk_family == AF_INET)
+ sk->sk_prot = &tcp_prot;
+ else
+ sk->sk_prot = &tcpv6_prot;
sk->sk_prot->destroy(sk);
}
@@ -473,7 +504,8 @@ static void chtls_disconnect_acceptq(struct sock *listen_sk)
while (*pprev) {
struct request_sock *req = *pprev;
- if (req->rsk_ops == &chtls_rsk_ops) {
+ if (req->rsk_ops == &chtls_rsk_ops ||
+ req->rsk_ops == &chtls_rsk_opsv6) {
struct sock *child = req->sk;
*pprev = req->dl_next;
@@ -600,14 +632,13 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
struct listen_ctx *ctx;
struct adapter *adap;
struct port_info *pi;
+ bool clip_valid;
int stid;
int ret;
- if (sk->sk_family != PF_INET)
- return -EAGAIN;
-
+ clip_valid = false;
rcu_read_lock();
- ndev = chtls_ipv4_netdev(cdev, sk);
+ ndev = chtls_find_netdev(cdev, sk);
rcu_read_unlock();
if (!ndev)
return -EBADF;
@@ -638,16 +669,35 @@ int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk)
if (!listen_hash_add(cdev, sk, stid))
goto free_stid;
- ret = cxgb4_create_server(ndev, stid,
- inet_sk(sk)->inet_rcv_saddr,
- inet_sk(sk)->inet_sport, 0,
- cdev->lldi->rxq_ids[0]);
+ if (sk->sk_family == PF_INET) {
+ ret = cxgb4_create_server(ndev, stid,
+ inet_sk(sk)->inet_rcv_saddr,
+ inet_sk(sk)->inet_sport, 0,
+ cdev->lldi->rxq_ids[0]);
+ } else {
+ int addr_type;
+
+ addr_type = ipv6_addr_type(&sk->sk_v6_rcv_saddr);
+ if (addr_type != IPV6_ADDR_ANY) {
+ ret = cxgb4_clip_get(ndev, (const u32 *)
+ &sk->sk_v6_rcv_saddr, 1);
+ if (ret)
+ goto del_hash;
+ clip_valid = true;
+ }
+ ret = cxgb4_create_server6(ndev, stid,
+ &sk->sk_v6_rcv_saddr,
+ inet_sk(sk)->inet_sport,
+ cdev->lldi->rxq_ids[0]);
+ }
if (ret > 0)
ret = net_xmit_errno(ret);
if (ret)
goto del_hash;
return 0;
del_hash:
+ if (clip_valid)
+ cxgb4_clip_release(ndev, (const u32 *)&sk->sk_v6_rcv_saddr, 1);
listen_hash_del(cdev, sk);
free_stid:
cxgb4_free_stid(cdev->tids, stid, sk->sk_family);
@@ -661,6 +711,8 @@ free_ctx:
void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk)
{
struct listen_ctx *listen_ctx;
+ struct chtls_sock *csk;
+ int addr_type = 0;
int stid;
stid = listen_hash_del(cdev, sk);
@@ -671,7 +723,16 @@ void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk)
chtls_reset_synq(listen_ctx);
cxgb4_remove_server(cdev->lldi->ports[0], stid,
- cdev->lldi->rxq_ids[0], 0);
+ cdev->lldi->rxq_ids[0], sk->sk_family == PF_INET6);
+
+ if (sk->sk_family == PF_INET6) {
+ csk = rcu_dereference_sk_user_data(sk);
+ addr_type = ipv6_addr_type((const struct in6_addr *)
+ &sk->sk_v6_rcv_saddr);
+ if (addr_type != IPV6_ADDR_ANY)
+ cxgb4_clip_release(csk->egress_dev, (const u32 *)
+ &sk->sk_v6_rcv_saddr, 1);
+ }
chtls_disconnect_acceptq(sk);
}
@@ -880,7 +941,10 @@ static unsigned int chtls_select_mss(const struct chtls_sock *csk,
tp = tcp_sk(sk);
tcpoptsz = 0;
- iphdrsz = sizeof(struct iphdr) + sizeof(struct tcphdr);
+ if (sk->sk_family == AF_INET6)
+ iphdrsz = sizeof(struct ipv6hdr) + sizeof(struct tcphdr);
+ else
+ iphdrsz = sizeof(struct iphdr) + sizeof(struct tcphdr);
if (req->tcpopt.tstamp)
tcpoptsz += round_up(TCPOLEN_TIMESTAMP, 4);
@@ -1045,11 +1109,29 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
if (!newsk)
goto free_oreq;
- dst = inet_csk_route_child_sock(lsk, newsk, oreq);
- if (!dst)
- goto free_sk;
+ if (lsk->sk_family == AF_INET) {
+ dst = inet_csk_route_child_sock(lsk, newsk, oreq);
+ if (!dst)
+ goto free_sk;
- n = dst_neigh_lookup(dst, &iph->saddr);
+ n = dst_neigh_lookup(dst, &iph->saddr);
+ } else {
+ const struct ipv6hdr *ip6h;
+ struct flowi6 fl6;
+
+ ip6h = (const struct ipv6hdr *)network_hdr;
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_TCP;
+ fl6.saddr = ip6h->daddr;
+ fl6.daddr = ip6h->saddr;
+ fl6.fl6_dport = inet_rsk(oreq)->ir_rmt_port;
+ fl6.fl6_sport = htons(inet_rsk(oreq)->ir_num);
+ security_req_classify_flow(oreq, flowi6_to_flowi(&fl6));
+ dst = ip6_dst_lookup_flow(sock_net(lsk), lsk, &fl6, NULL);
+ if (IS_ERR(dst))
+ goto free_sk;
+ n = dst_neigh_lookup(dst, &ip6h->saddr);
+ }
if (!n)
goto free_sk;
@@ -1072,9 +1154,28 @@ static struct sock *chtls_recv_sock(struct sock *lsk,
tp = tcp_sk(newsk);
newinet = inet_sk(newsk);
- newinet->inet_daddr = iph->saddr;
- newinet->inet_rcv_saddr = iph->daddr;
- newinet->inet_saddr = iph->daddr;
+ if (iph->version == 0x4) {
+ newinet->inet_daddr = iph->saddr;
+ newinet->inet_rcv_saddr = iph->daddr;
+ newinet->inet_saddr = iph->daddr;
+ } else {
+ struct tcp6_sock *newtcp6sk = (struct tcp6_sock *)newsk;
+ struct inet_request_sock *treq = inet_rsk(oreq);
+ struct ipv6_pinfo *newnp = inet6_sk(newsk);
+ struct ipv6_pinfo *np = inet6_sk(lsk);
+
+ inet_sk(newsk)->pinet6 = &newtcp6sk->inet6;
+ memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+ newsk->sk_v6_daddr = treq->ir_v6_rmt_addr;
+ newsk->sk_v6_rcv_saddr = treq->ir_v6_loc_addr;
+ inet6_sk(newsk)->saddr = treq->ir_v6_loc_addr;
+ newnp->ipv6_fl_list = NULL;
+ newnp->pktoptions = NULL;
+ newsk->sk_bound_dev_if = treq->ir_iif;
+ newinet->inet_opt = NULL;
+ newinet->inet_daddr = LOOPBACK4_IPV6;
+ newinet->inet_saddr = LOOPBACK4_IPV6;
+ }
oreq->ts_recent = PASS_OPEN_TID_G(ntohl(req->tos_stid));
sk_setup_caps(newsk, dst);
@@ -1156,6 +1257,7 @@ static void chtls_pass_accept_request(struct sock *sk,
struct sk_buff *reply_skb;
struct chtls_sock *csk;
struct chtls_dev *cdev;
+ struct ipv6hdr *ip6h;
struct tcphdr *tcph;
struct sock *newsk;
struct ethhdr *eh;
@@ -1196,37 +1298,50 @@ static void chtls_pass_accept_request(struct sock *sk,
if (sk_acceptq_is_full(sk))
goto reject;
- oreq = inet_reqsk_alloc(&chtls_rsk_ops, sk, true);
- if (!oreq)
- goto reject;
-
- oreq->rsk_rcv_wnd = 0;
- oreq->rsk_window_clamp = 0;
- oreq->cookie_ts = 0;
- oreq->mss = 0;
- oreq->ts_recent = 0;
eth_hdr_len = T6_ETH_HDR_LEN_G(ntohl(req->hdr_len));
if (eth_hdr_len == ETH_HLEN) {
eh = (struct ethhdr *)(req + 1);
iph = (struct iphdr *)(eh + 1);
+ ip6h = (struct ipv6hdr *)(eh + 1);
network_hdr = (void *)(eh + 1);
} else {
vlan_eh = (struct vlan_ethhdr *)(req + 1);
iph = (struct iphdr *)(vlan_eh + 1);
+ ip6h = (struct ipv6hdr *)(vlan_eh + 1);
network_hdr = (void *)(vlan_eh + 1);
}
- if (iph->version != 0x4)
- goto free_oreq;
- tcph = (struct tcphdr *)(iph + 1);
- skb_set_network_header(skb, (void *)iph - (void *)req);
+ if (iph->version == 0x4) {
+ tcph = (struct tcphdr *)(iph + 1);
+ skb_set_network_header(skb, (void *)iph - (void *)req);
+ oreq = inet_reqsk_alloc(&chtls_rsk_ops, sk, true);
+ } else {
+ tcph = (struct tcphdr *)(ip6h + 1);
+ skb_set_network_header(skb, (void *)ip6h - (void *)req);
+ oreq = inet_reqsk_alloc(&chtls_rsk_opsv6, sk, false);
+ }
+
+ if (!oreq)
+ goto reject;
+
+ oreq->rsk_rcv_wnd = 0;
+ oreq->rsk_window_clamp = 0;
+ oreq->cookie_ts = 0;
+ oreq->mss = 0;
+ oreq->ts_recent = 0;
tcp_rsk(oreq)->tfo_listener = false;
tcp_rsk(oreq)->rcv_isn = ntohl(tcph->seq);
chtls_set_req_port(oreq, tcph->source, tcph->dest);
- chtls_set_req_addr(oreq, iph->daddr, iph->saddr);
- ip_dsfield = ipv4_get_dsfield(iph);
+ if (iph->version == 0x4) {
+ chtls_set_req_addr(oreq, iph->daddr, iph->saddr);
+ ip_dsfield = ipv4_get_dsfield(iph);
+ } else {
+ inet_rsk(oreq)->ir_v6_rmt_addr = ipv6_hdr(skb)->saddr;
+ inet_rsk(oreq)->ir_v6_loc_addr = ipv6_hdr(skb)->daddr;
+ ip_dsfield = ipv6_get_dsfield(ipv6_hdr(skb));
+ }
if (req->tcpopt.wsf <= 14 &&
sock_net(sk)->ipv4.sysctl_tcp_window_scaling) {
inet_rsk(oreq)->wscale_ok = 1;
@@ -1243,7 +1358,7 @@ static void chtls_pass_accept_request(struct sock *sk,
newsk = chtls_recv_sock(sk, oreq, network_hdr, req, cdev);
if (!newsk)
- goto reject;
+ goto free_oreq;
if (chtls_get_module(newsk))
goto reject;
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.h b/drivers/crypto/chelsio/chtls/chtls_cm.h
index 3fac0c74a41f..47ba81e42f5d 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.h
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.h
@@ -79,6 +79,7 @@ enum {
typedef void (*defer_handler_t)(struct chtls_dev *dev, struct sk_buff *skb);
extern struct request_sock_ops chtls_rsk_ops;
+extern struct request_sock_ops chtls_rsk_opsv6;
struct deferred_skb_cb {
defer_handler_t handler;
diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c
index dccef3a2908b..e1401d9cc756 100644
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -682,7 +682,7 @@ int chtls_push_frames(struct chtls_sock *csk, int comp)
make_tx_data_wr(sk, skb, immdlen, len,
credits_needed, completion);
tp->snd_nxt += len;
- tp->lsndtime = tcp_time_stamp(tp);
+ tp->lsndtime = tcp_jiffies32;
if (completion)
ULP_SKB_CB(skb)->flags &= ~ULPCB_FLAG_NEED_HDR;
} else {
diff --git a/drivers/crypto/chelsio/chtls/chtls_main.c b/drivers/crypto/chelsio/chtls/chtls_main.c
index 2110d0893bc7..7dfffdde9593 100644
--- a/drivers/crypto/chelsio/chtls/chtls_main.c
+++ b/drivers/crypto/chelsio/chtls/chtls_main.c
@@ -13,6 +13,8 @@
#include <linux/net.h>
#include <linux/ip.h>
#include <linux/tcp.h>
+#include <net/ipv6.h>
+#include <net/transp_v6.h>
#include <net/tcp.h>
#include <net/tls.h>
@@ -30,8 +32,8 @@ static DEFINE_MUTEX(cdev_mutex);
static DEFINE_MUTEX(notify_mutex);
static RAW_NOTIFIER_HEAD(listen_notify_list);
-static struct proto chtls_cpl_prot;
-struct request_sock_ops chtls_rsk_ops;
+static struct proto chtls_cpl_prot, chtls_cpl_protv6;
+struct request_sock_ops chtls_rsk_ops, chtls_rsk_opsv6;
static uint send_page_order = (14 - PAGE_SHIFT < 0) ? 0 : 14 - PAGE_SHIFT;
static void register_listen_notifier(struct notifier_block *nb)
@@ -586,7 +588,10 @@ static struct cxgb4_uld_info chtls_uld_info = {
void chtls_install_cpl_ops(struct sock *sk)
{
- sk->sk_prot = &chtls_cpl_prot;
+ if (sk->sk_family == AF_INET)
+ sk->sk_prot = &chtls_cpl_prot;
+ else
+ sk->sk_prot = &chtls_cpl_protv6;
}
static void __init chtls_init_ulp_ops(void)
@@ -603,6 +608,9 @@ static void __init chtls_init_ulp_ops(void)
chtls_cpl_prot.recvmsg = chtls_recvmsg;
chtls_cpl_prot.setsockopt = chtls_setsockopt;
chtls_cpl_prot.getsockopt = chtls_getsockopt;
+ chtls_cpl_protv6 = chtls_cpl_prot;
+ chtls_init_rsk_ops(&chtls_cpl_protv6, &chtls_rsk_opsv6,
+ &tcpv6_prot, PF_INET6);
}
static int __init chtls_register(void)
diff --git a/drivers/crypto/hisilicon/Kconfig b/drivers/crypto/hisilicon/Kconfig
index f09c6cf7823e..9c3b3ca815e6 100644
--- a/drivers/crypto/hisilicon/Kconfig
+++ b/drivers/crypto/hisilicon/Kconfig
@@ -29,6 +29,7 @@ config CRYPTO_DEV_HISI_SEC2
depends on PCI && PCI_MSI
depends on UACCE || UACCE=n
depends on ARM64 || (COMPILE_TEST && 64BIT)
+ depends on ACPI
help
Support for HiSilicon SEC Engine of version 2 in crypto subsystem.
It provides AES, SM4, and 3DES algorithms with ECB
@@ -42,6 +43,7 @@ config CRYPTO_DEV_HISI_QM
depends on ARM64 || COMPILE_TEST
depends on PCI && PCI_MSI
depends on UACCE || UACCE=n
+ depends on ACPI
help
HiSilicon accelerator engines use a common queue management
interface. Specific engine driver may use this module.
@@ -52,6 +54,7 @@ config CRYPTO_DEV_HISI_ZIP
depends on ARM64 || (COMPILE_TEST && 64BIT)
depends on !CPU_BIG_ENDIAN || COMPILE_TEST
depends on UACCE || UACCE=n
+ depends on ACPI
select CRYPTO_DEV_HISI_QM
help
Support for HiSilicon ZIP Driver
@@ -61,6 +64,7 @@ config CRYPTO_DEV_HISI_HPRE
depends on PCI && PCI_MSI
depends on UACCE || UACCE=n
depends on ARM64 || (COMPILE_TEST && 64BIT)
+ depends on ACPI
select CRYPTO_DEV_HISI_QM
select CRYPTO_DH
select CRYPTO_RSA
diff --git a/drivers/crypto/hisilicon/hpre/hpre.h b/drivers/crypto/hisilicon/hpre/hpre.h
index 03d512ec6336..ed730d173e95 100644
--- a/drivers/crypto/hisilicon/hpre/hpre.h
+++ b/drivers/crypto/hisilicon/hpre/hpre.h
@@ -25,6 +25,17 @@ enum hpre_ctrl_dbgfs_file {
HPRE_DEBUG_FILE_NUM,
};
+enum hpre_dfx_dbgfs_file {
+ HPRE_SEND_CNT,
+ HPRE_RECV_CNT,
+ HPRE_SEND_FAIL_CNT,
+ HPRE_SEND_BUSY_CNT,
+ HPRE_OVER_THRHLD_CNT,
+ HPRE_OVERTIME_THRHLD,
+ HPRE_INVALID_REQ_CNT,
+ HPRE_DFX_FILE_NUM
+};
+
#define HPRE_DEBUGFS_FILE_NUM (HPRE_DEBUG_FILE_NUM + HPRE_CLUSTERS_NUM - 1)
struct hpre_debugfs_file {
@@ -34,6 +45,11 @@ struct hpre_debugfs_file {
struct hpre_debug *debug;
};
+struct hpre_dfx {
+ atomic64_t value;
+ enum hpre_dfx_dbgfs_file type;
+};
+
/*
* One HPRE controller has one PF and multiple VFs, some global configurations
* which PF has need this structure.
@@ -41,13 +57,13 @@ struct hpre_debugfs_file {
*/
struct hpre_debug {
struct dentry *debug_root;
+ struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
};
struct hpre {
struct hisi_qm qm;
struct hpre_debug debug;
- u32 num_vfs;
unsigned long status;
};
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index 65425250b2e9..7b5cb27d473d 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -10,6 +10,7 @@
#include <linux/dma-mapping.h>
#include <linux/fips.h>
#include <linux/module.h>
+#include <linux/time.h>
#include "hpre.h"
struct hpre_ctx;
@@ -32,6 +33,9 @@ struct hpre_ctx;
#define HPRE_SQE_DONE_SHIFT 30
#define HPRE_DH_MAX_P_SZ 512
+#define HPRE_DFX_SEC_TO_US 1000000
+#define HPRE_DFX_US_TO_NS 1000
+
typedef void (*hpre_cb)(struct hpre_ctx *ctx, void *sqe);
struct hpre_rsa_ctx {
@@ -68,6 +72,7 @@ struct hpre_dh_ctx {
struct hpre_ctx {
struct hisi_qp *qp;
struct hpre_asym_request **req_list;
+ struct hpre *hpre;
spinlock_t req_lock;
unsigned int key_sz;
bool crt_g2_mode;
@@ -90,6 +95,7 @@ struct hpre_asym_request {
int err;
int req_id;
hpre_cb cb;
+ struct timespec64 req_time;
};
static DEFINE_MUTEX(hpre_alg_lock);
@@ -119,6 +125,7 @@ static void hpre_free_req_id(struct hpre_ctx *ctx, int req_id)
static int hpre_add_req_to_ctx(struct hpre_asym_request *hpre_req)
{
struct hpre_ctx *ctx;
+ struct hpre_dfx *dfx;
int id;
ctx = hpre_req->ctx;
@@ -129,6 +136,10 @@ static int hpre_add_req_to_ctx(struct hpre_asym_request *hpre_req)
ctx->req_list[id] = hpre_req;
hpre_req->req_id = id;
+ dfx = ctx->hpre->debug.dfx;
+ if (atomic64_read(&dfx[HPRE_OVERTIME_THRHLD].value))
+ ktime_get_ts64(&hpre_req->req_time);
+
return id;
}
@@ -309,12 +320,16 @@ static int hpre_alg_res_post_hf(struct hpre_ctx *ctx, struct hpre_sqe *sqe,
static int hpre_ctx_set(struct hpre_ctx *ctx, struct hisi_qp *qp, int qlen)
{
+ struct hpre *hpre;
+
if (!ctx || !qp || qlen < 0)
return -EINVAL;
spin_lock_init(&ctx->req_lock);
ctx->qp = qp;
+ hpre = container_of(ctx->qp->qm, struct hpre, qm);
+ ctx->hpre = hpre;
ctx->req_list = kcalloc(qlen, sizeof(void *), GFP_KERNEL);
if (!ctx->req_list)
return -ENOMEM;
@@ -337,38 +352,80 @@ static void hpre_ctx_clear(struct hpre_ctx *ctx, bool is_clear_all)
ctx->key_sz = 0;
}
+static bool hpre_is_bd_timeout(struct hpre_asym_request *req,
+ u64 overtime_thrhld)
+{
+ struct timespec64 reply_time;
+ u64 time_use_us;
+
+ ktime_get_ts64(&reply_time);
+ time_use_us = (reply_time.tv_sec - req->req_time.tv_sec) *
+ HPRE_DFX_SEC_TO_US +
+ (reply_time.tv_nsec - req->req_time.tv_nsec) /
+ HPRE_DFX_US_TO_NS;
+
+ if (time_use_us <= overtime_thrhld)
+ return false;
+
+ return true;
+}
+
static void hpre_dh_cb(struct hpre_ctx *ctx, void *resp)
{
+ struct hpre_dfx *dfx = ctx->hpre->debug.dfx;
struct hpre_asym_request *req;
struct kpp_request *areq;
+ u64 overtime_thrhld;
int ret;
ret = hpre_alg_res_post_hf(ctx, resp, (void **)&req);
areq = req->areq.dh;
areq->dst_len = ctx->key_sz;
+
+ overtime_thrhld = atomic64_read(&dfx[HPRE_OVERTIME_THRHLD].value);
+ if (overtime_thrhld && hpre_is_bd_timeout(req, overtime_thrhld))
+ atomic64_inc(&dfx[HPRE_OVER_THRHLD_CNT].value);
+
hpre_hw_data_clr_all(ctx, req, areq->dst, areq->src);
kpp_request_complete(areq, ret);
+ atomic64_inc(&dfx[HPRE_RECV_CNT].value);
}
static void hpre_rsa_cb(struct hpre_ctx *ctx, void *resp)
{
+ struct hpre_dfx *dfx = ctx->hpre->debug.dfx;
struct hpre_asym_request *req;
struct akcipher_request *areq;
+ u64 overtime_thrhld;
int ret;
ret = hpre_alg_res_post_hf(ctx, resp, (void **)&req);
+
+ overtime_thrhld = atomic64_read(&dfx[HPRE_OVERTIME_THRHLD].value);
+ if (overtime_thrhld && hpre_is_bd_timeout(req, overtime_thrhld))
+ atomic64_inc(&dfx[HPRE_OVER_THRHLD_CNT].value);
+
areq = req->areq.rsa;
areq->dst_len = ctx->key_sz;
hpre_hw_data_clr_all(ctx, req, areq->dst, areq->src);
akcipher_request_complete(areq, ret);
+ atomic64_inc(&dfx[HPRE_RECV_CNT].value);
}
static void hpre_alg_cb(struct hisi_qp *qp, void *resp)
{
struct hpre_ctx *ctx = qp->qp_ctx;
+ struct hpre_dfx *dfx = ctx->hpre->debug.dfx;
struct hpre_sqe *sqe = resp;
+ struct hpre_asym_request *req = ctx->req_list[le16_to_cpu(sqe->tag)];
- ctx->req_list[le16_to_cpu(sqe->tag)]->cb(ctx, resp);
+
+ if (unlikely(!req)) {
+ atomic64_inc(&dfx[HPRE_INVALID_REQ_CNT].value);
+ return;
+ }
+
+ req->cb(ctx, resp);
}
static int hpre_ctx_init(struct hpre_ctx *ctx)
@@ -436,6 +493,29 @@ static int hpre_msg_request_set(struct hpre_ctx *ctx, void *req, bool is_rsa)
return 0;
}
+static int hpre_send(struct hpre_ctx *ctx, struct hpre_sqe *msg)
+{
+ struct hpre_dfx *dfx = ctx->hpre->debug.dfx;
+ int ctr = 0;
+ int ret;
+
+ do {
+ atomic64_inc(&dfx[HPRE_SEND_CNT].value);
+ ret = hisi_qp_send(ctx->qp, msg);
+ if (ret != -EBUSY)
+ break;
+ atomic64_inc(&dfx[HPRE_SEND_BUSY_CNT].value);
+ } while (ctr++ < HPRE_TRY_SEND_TIMES);
+
+ if (likely(!ret))
+ return ret;
+
+ if (ret != -EBUSY)
+ atomic64_inc(&dfx[HPRE_SEND_FAIL_CNT].value);
+
+ return ret;
+}
+
#ifdef CONFIG_CRYPTO_DH
static int hpre_dh_compute_value(struct kpp_request *req)
{
@@ -444,7 +524,6 @@ static int hpre_dh_compute_value(struct kpp_request *req)
void *tmp = kpp_request_ctx(req);
struct hpre_asym_request *hpre_req = PTR_ALIGN(tmp, HPRE_ALIGN_SZ);
struct hpre_sqe *msg = &hpre_req->req;
- int ctr = 0;
int ret;
ret = hpre_msg_request_set(ctx, req, false);
@@ -465,11 +544,9 @@ static int hpre_dh_compute_value(struct kpp_request *req)
msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) | HPRE_ALG_DH_G2);
else
msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) | HPRE_ALG_DH);
- do {
- ret = hisi_qp_send(ctx->qp, msg);
- } while (ret == -EBUSY && ctr++ < HPRE_TRY_SEND_TIMES);
/* success */
+ ret = hpre_send(ctx, msg);
if (likely(!ret))
return -EINPROGRESS;
@@ -647,7 +724,6 @@ static int hpre_rsa_enc(struct akcipher_request *req)
void *tmp = akcipher_request_ctx(req);
struct hpre_asym_request *hpre_req = PTR_ALIGN(tmp, HPRE_ALIGN_SZ);
struct hpre_sqe *msg = &hpre_req->req;
- int ctr = 0;
int ret;
/* For 512 and 1536 bits key size, use soft tfm instead */
@@ -677,11 +753,8 @@ static int hpre_rsa_enc(struct akcipher_request *req)
if (unlikely(ret))
goto clear_all;
- do {
- ret = hisi_qp_send(ctx->qp, msg);
- } while (ret == -EBUSY && ctr++ < HPRE_TRY_SEND_TIMES);
-
/* success */
+ ret = hpre_send(ctx, msg);
if (likely(!ret))
return -EINPROGRESS;
@@ -699,7 +772,6 @@ static int hpre_rsa_dec(struct akcipher_request *req)
void *tmp = akcipher_request_ctx(req);
struct hpre_asym_request *hpre_req = PTR_ALIGN(tmp, HPRE_ALIGN_SZ);
struct hpre_sqe *msg = &hpre_req->req;
- int ctr = 0;
int ret;
/* For 512 and 1536 bits key size, use soft tfm instead */
@@ -736,11 +808,8 @@ static int hpre_rsa_dec(struct akcipher_request *req)
if (unlikely(ret))
goto clear_all;
- do {
- ret = hisi_qp_send(ctx->qp, msg);
- } while (ret == -EBUSY && ctr++ < HPRE_TRY_SEND_TIMES);
-
/* success */
+ ret = hpre_send(ctx, msg);
if (likely(!ret))
return -EINPROGRESS;
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 88be53bf4a38..a3ee127a70e3 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -59,10 +59,6 @@
#define HPRE_HAC_ECC2_CNT 0x301a08
#define HPRE_HAC_INT_STATUS 0x301800
#define HPRE_HAC_SOURCE_INT 0x301600
-#define MASTER_GLOBAL_CTRL_SHUTDOWN 1
-#define MASTER_TRANS_RETURN_RW 3
-#define HPRE_MASTER_TRANS_RETURN 0x300150
-#define HPRE_MASTER_GLOBAL_CTRL 0x300000
#define HPRE_CLSTR_ADDR_INTRVL 0x1000
#define HPRE_CLUSTER_INQURY 0x100
#define HPRE_CLSTR_ADDR_INQRY_RSLT 0x104
@@ -80,7 +76,16 @@
#define HPRE_BD_USR_MASK 0x3
#define HPRE_CLUSTER_CORE_MASK 0xf
+#define HPRE_AM_OOO_SHUTDOWN_ENB 0x301044
+#define HPRE_AM_OOO_SHUTDOWN_ENABLE BIT(0)
+#define HPRE_WR_MSI_PORT BIT(2)
+
+#define HPRE_CORE_ECC_2BIT_ERR BIT(1)
+#define HPRE_OOO_ECC_2BIT_ERR BIT(5)
+
#define HPRE_VIA_MSI_DSM 1
+#define HPRE_SQE_MASK_OFFSET 8
+#define HPRE_SQE_MASK_LEN 24
static struct hisi_qm_list hpre_devices;
static const char hpre_name[] = "hisi_hpre";
@@ -131,7 +136,7 @@ static const u64 hpre_cluster_offsets[] = {
HPRE_CLSTR_BASE + HPRE_CLUSTER3 * HPRE_CLSTR_ADDR_INTRVL,
};
-static struct debugfs_reg32 hpre_cluster_dfx_regs[] = {
+static const struct debugfs_reg32 hpre_cluster_dfx_regs[] = {
{"CORES_EN_STATUS ", HPRE_CORE_EN_OFFSET},
{"CORES_INI_CFG ", HPRE_CORE_INI_CFG_OFFSET},
{"CORES_INI_STATUS ", HPRE_CORE_INI_STATUS_OFFSET},
@@ -139,7 +144,7 @@ static struct debugfs_reg32 hpre_cluster_dfx_regs[] = {
{"CORES_IS_SCHD ", HPRE_CORE_IS_SCHD_OFFSET},
};
-static struct debugfs_reg32 hpre_com_dfx_regs[] = {
+static const struct debugfs_reg32 hpre_com_dfx_regs[] = {
{"READ_CLR_EN ", HPRE_CTRL_CNT_CLR_CE},
{"AXQOS ", HPRE_VFG_AXQOS},
{"AWUSR_CFG ", HPRE_AWUSR_FP_CFG},
@@ -156,44 +161,38 @@ static struct debugfs_reg32 hpre_com_dfx_regs[] = {
{"INT_STATUS ", HPRE_INT_STATUS},
};
-static int hpre_pf_q_num_set(const char *val, const struct kernel_param *kp)
-{
- struct pci_dev *pdev;
- u32 n, q_num;
- u8 rev_id;
- int ret;
-
- if (!val)
- return -EINVAL;
-
- pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI, HPRE_PCI_DEVICE_ID, NULL);
- if (!pdev) {
- q_num = HPRE_QUEUE_NUM_V2;
- pr_info("No device found currently, suppose queue number is %d\n",
- q_num);
- } else {
- rev_id = pdev->revision;
- if (rev_id != QM_HW_V2)
- return -EINVAL;
-
- q_num = HPRE_QUEUE_NUM_V2;
- }
-
- ret = kstrtou32(val, 10, &n);
- if (ret != 0 || n == 0 || n > q_num)
- return -EINVAL;
+static const char *hpre_dfx_files[HPRE_DFX_FILE_NUM] = {
+ "send_cnt",
+ "recv_cnt",
+ "send_fail_cnt",
+ "send_busy_cnt",
+ "over_thrhld_cnt",
+ "overtime_thrhld",
+ "invalid_req_cnt"
+};
- return param_set_int(val, kp);
+static int pf_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ return q_num_set(val, kp, HPRE_PCI_DEVICE_ID);
}
static const struct kernel_param_ops hpre_pf_q_num_ops = {
- .set = hpre_pf_q_num_set,
+ .set = pf_q_num_set,
.get = param_get_int,
};
-static u32 hpre_pf_q_num = HPRE_PF_DEF_Q_NUM;
-module_param_cb(hpre_pf_q_num, &hpre_pf_q_num_ops, &hpre_pf_q_num, 0444);
-MODULE_PARM_DESC(hpre_pf_q_num, "Number of queues in PF of CS(1-1024)");
+static u32 pf_q_num = HPRE_PF_DEF_Q_NUM;
+module_param_cb(pf_q_num, &hpre_pf_q_num_ops, &pf_q_num, 0444);
+MODULE_PARM_DESC(pf_q_num, "Number of queues in PF of CS(1-1024)");
+
+static const struct kernel_param_ops vfs_num_ops = {
+ .set = vfs_num_set,
+ .get = param_get_int,
+};
+
+static u32 vfs_num;
+module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
+MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
struct hisi_qp *hpre_create_qp(void)
{
@@ -232,9 +231,8 @@ static int hpre_cfg_by_dsm(struct hisi_qm *qm)
return 0;
}
-static int hpre_set_user_domain_and_cache(struct hpre *hpre)
+static int hpre_set_user_domain_and_cache(struct hisi_qm *qm)
{
- struct hisi_qm *qm = &hpre->qm;
struct device *dev = &qm->pdev->dev;
unsigned long offset;
int ret, i;
@@ -324,17 +322,34 @@ static void hpre_cnt_regs_clear(struct hisi_qm *qm)
static void hpre_hw_error_disable(struct hisi_qm *qm)
{
+ u32 val;
+
/* disable hpre hw error interrupts */
writel(HPRE_CORE_INT_DISABLE, qm->io_base + HPRE_INT_MASK);
+
+ /* disable HPRE block master OOO when m-bit error occur */
+ val = readl(qm->io_base + HPRE_AM_OOO_SHUTDOWN_ENB);
+ val &= ~HPRE_AM_OOO_SHUTDOWN_ENABLE;
+ writel(val, qm->io_base + HPRE_AM_OOO_SHUTDOWN_ENB);
}
static void hpre_hw_error_enable(struct hisi_qm *qm)
{
+ u32 val;
+
+ /* clear HPRE hw error source if having */
+ writel(HPRE_CORE_INT_DISABLE, qm->io_base + HPRE_HAC_SOURCE_INT);
+
/* enable hpre hw error interrupts */
writel(HPRE_CORE_INT_ENABLE, qm->io_base + HPRE_INT_MASK);
writel(HPRE_HAC_RAS_CE_ENABLE, qm->io_base + HPRE_RAS_CE_ENB);
writel(HPRE_HAC_RAS_NFE_ENABLE, qm->io_base + HPRE_RAS_NFE_ENB);
writel(HPRE_HAC_RAS_FE_ENABLE, qm->io_base + HPRE_RAS_FE_ENB);
+
+ /* enable HPRE block master OOO when m-bit error occur */
+ val = readl(qm->io_base + HPRE_AM_OOO_SHUTDOWN_ENB);
+ val |= HPRE_AM_OOO_SHUTDOWN_ENABLE;
+ writel(val, qm->io_base + HPRE_AM_OOO_SHUTDOWN_ENB);
}
static inline struct hisi_qm *hpre_file_to_qm(struct hpre_debugfs_file *file)
@@ -354,9 +369,7 @@ static u32 hpre_current_qm_read(struct hpre_debugfs_file *file)
static int hpre_current_qm_write(struct hpre_debugfs_file *file, u32 val)
{
struct hisi_qm *qm = hpre_file_to_qm(file);
- struct hpre_debug *debug = file->debug;
- struct hpre *hpre = container_of(debug, struct hpre, debug);
- u32 num_vfs = hpre->num_vfs;
+ u32 num_vfs = qm->vfs_num;
u32 vfq_num, tmp;
@@ -523,6 +536,33 @@ static const struct file_operations hpre_ctrl_debug_fops = {
.write = hpre_ctrl_debug_write,
};
+static int hpre_debugfs_atomic64_get(void *data, u64 *val)
+{
+ struct hpre_dfx *dfx_item = data;
+
+ *val = atomic64_read(&dfx_item->value);
+
+ return 0;
+}
+
+static int hpre_debugfs_atomic64_set(void *data, u64 val)
+{
+ struct hpre_dfx *dfx_item = data;
+ struct hpre_dfx *hpre_dfx = dfx_item - HPRE_OVERTIME_THRHLD;
+
+ if (val)
+ return -EINVAL;
+
+ if (dfx_item->type == HPRE_OVERTIME_THRHLD)
+ atomic64_set(&hpre_dfx[HPRE_OVER_THRHLD_CNT].value, 0);
+ atomic64_set(&dfx_item->value, val);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(hpre_atomic64_ops, hpre_debugfs_atomic64_get,
+ hpre_debugfs_atomic64_set, "%llu\n");
+
static int hpre_create_debugfs_file(struct hpre_debug *dbg, struct dentry *dir,
enum hpre_ctrl_dbgfs_file type, int indx)
{
@@ -620,6 +660,22 @@ static int hpre_ctrl_debug_init(struct hpre_debug *debug)
return hpre_cluster_debugfs_init(debug);
}
+static void hpre_dfx_debug_init(struct hpre_debug *debug)
+{
+ struct hpre *hpre = container_of(debug, struct hpre, debug);
+ struct hpre_dfx *dfx = hpre->debug.dfx;
+ struct hisi_qm *qm = &hpre->qm;
+ struct dentry *parent;
+ int i;
+
+ parent = debugfs_create_dir("hpre_dfx", qm->debug.debug_root);
+ for (i = 0; i < HPRE_DFX_FILE_NUM; i++) {
+ dfx[i].type = i;
+ debugfs_create_file(hpre_dfx_files[i], 0644, parent, &dfx[i],
+ &hpre_atomic64_ops);
+ }
+}
+
static int hpre_debugfs_init(struct hpre *hpre)
{
struct hisi_qm *qm = &hpre->qm;
@@ -629,6 +685,8 @@ static int hpre_debugfs_init(struct hpre *hpre)
dir = debugfs_create_dir(dev_name(dev), hpre_debugfs_root);
qm->debug.debug_root = dir;
+ qm->debug.sqe_mask_offset = HPRE_SQE_MASK_OFFSET;
+ qm->debug.sqe_mask_len = HPRE_SQE_MASK_LEN;
ret = hisi_qm_debug_init(qm);
if (ret)
@@ -640,6 +698,9 @@ static int hpre_debugfs_init(struct hpre *hpre)
if (ret)
goto failed_to_create;
}
+
+ hpre_dfx_debug_init(&hpre->debug);
+
return 0;
failed_to_create:
@@ -654,32 +715,27 @@ static void hpre_debugfs_exit(struct hpre *hpre)
debugfs_remove_recursive(qm->debug.debug_root);
}
-static int hpre_qm_pre_init(struct hisi_qm *qm, struct pci_dev *pdev)
+static int hpre_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
{
- enum qm_hw_ver rev_id;
-
- rev_id = hisi_qm_get_hw_version(pdev);
- if (rev_id < 0)
- return -ENODEV;
-
- if (rev_id == QM_HW_V1) {
+ if (pdev->revision == QM_HW_V1) {
pci_warn(pdev, "HPRE version 1 is not supported!\n");
return -EINVAL;
}
qm->pdev = pdev;
- qm->ver = rev_id;
+ qm->ver = pdev->revision;
qm->sqe_size = HPRE_SQE_SIZE;
qm->dev_name = hpre_name;
+
qm->fun_type = (pdev->device == HPRE_PCI_DEVICE_ID) ?
- QM_HW_PF : QM_HW_VF;
- if (pdev->is_physfn) {
+ QM_HW_PF : QM_HW_VF;
+ if (qm->fun_type == QM_HW_PF) {
qm->qp_base = HPRE_PF_DEF_Q_BASE;
- qm->qp_num = hpre_pf_q_num;
+ qm->qp_num = pf_q_num;
+ qm->qm_list = &hpre_devices;
}
- qm->use_dma_api = true;
- return 0;
+ return hisi_qm_init(qm);
}
static void hpre_log_hw_error(struct hisi_qm *qm, u32 err_sts)
@@ -693,8 +749,6 @@ static void hpre_log_hw_error(struct hisi_qm *qm, u32 err_sts)
err->msg, err->int_msk);
err++;
}
-
- writel(err_sts, qm->io_base + HPRE_HAC_SOURCE_INT);
}
static u32 hpre_get_hw_err_status(struct hisi_qm *qm)
@@ -702,16 +756,38 @@ static u32 hpre_get_hw_err_status(struct hisi_qm *qm)
return readl(qm->io_base + HPRE_HAC_INT_STATUS);
}
+static void hpre_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
+{
+ writel(err_sts, qm->io_base + HPRE_HAC_SOURCE_INT);
+}
+
+static void hpre_open_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 value;
+
+ value = readl(qm->io_base + HPRE_AM_OOO_SHUTDOWN_ENB);
+ writel(value & ~HPRE_AM_OOO_SHUTDOWN_ENABLE,
+ HPRE_ADDR(qm, HPRE_AM_OOO_SHUTDOWN_ENB));
+ writel(value | HPRE_AM_OOO_SHUTDOWN_ENABLE,
+ HPRE_ADDR(qm, HPRE_AM_OOO_SHUTDOWN_ENB));
+}
+
static const struct hisi_qm_err_ini hpre_err_ini = {
+ .hw_init = hpre_set_user_domain_and_cache,
.hw_err_enable = hpre_hw_error_enable,
.hw_err_disable = hpre_hw_error_disable,
.get_dev_hw_err_status = hpre_get_hw_err_status,
+ .clear_dev_hw_err_status = hpre_clear_hw_err_status,
.log_dev_hw_err = hpre_log_hw_error,
+ .open_axi_master_ooo = hpre_open_axi_master_ooo,
.err_info = {
.ce = QM_BASE_CE,
.nfe = QM_BASE_NFE | QM_ACC_DO_TASK_TIMEOUT,
.fe = 0,
- .msi = QM_DB_RANDOM_INVALID,
+ .ecc_2bits_mask = HPRE_CORE_ECC_2BIT_ERR |
+ HPRE_OOO_ECC_2BIT_ERR,
+ .msi_wr_port = HPRE_WR_MSI_PORT,
+ .acpi_rst = "HRST",
}
};
@@ -722,7 +798,7 @@ static int hpre_pf_probe_init(struct hpre *hpre)
qm->ctrl_qp_num = HPRE_QUEUE_NUM_V2;
- ret = hpre_set_user_domain_and_cache(hpre);
+ ret = hpre_set_user_domain_and_cache(qm);
if (ret)
return ret;
@@ -732,6 +808,20 @@ static int hpre_pf_probe_init(struct hpre *hpre)
return 0;
}
+static int hpre_probe_init(struct hpre *hpre)
+{
+ struct hisi_qm *qm = &hpre->qm;
+ int ret;
+
+ if (qm->fun_type == QM_HW_PF) {
+ ret = hpre_pf_probe_init(hpre);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct hisi_qm *qm;
@@ -742,26 +832,17 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (!hpre)
return -ENOMEM;
- pci_set_drvdata(pdev, hpre);
-
qm = &hpre->qm;
- ret = hpre_qm_pre_init(qm, pdev);
- if (ret)
- return ret;
-
- ret = hisi_qm_init(qm);
- if (ret)
+ ret = hpre_qm_init(qm, pdev);
+ if (ret) {
+ pci_err(pdev, "Failed to init HPRE QM (%d)!\n", ret);
return ret;
+ }
- if (pdev->is_physfn) {
- ret = hpre_pf_probe_init(hpre);
- if (ret)
- goto err_with_qm_init;
- } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V2) {
- /* v2 starts to support get vft by mailbox */
- ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
- if (ret)
- goto err_with_qm_init;
+ ret = hpre_probe_init(hpre);
+ if (ret) {
+ pci_err(pdev, "Failed to probe (%d)!\n", ret);
+ goto err_with_qm_init;
}
ret = hisi_qm_start(qm);
@@ -779,8 +860,18 @@ static int hpre_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_err(pdev, "fail to register algs to crypto!\n");
goto err_with_qm_start;
}
+
+ if (qm->fun_type == QM_HW_PF && vfs_num) {
+ ret = hisi_qm_sriov_enable(pdev, vfs_num);
+ if (ret < 0)
+ goto err_with_crypto_register;
+ }
+
return 0;
+err_with_crypto_register:
+ hpre_algs_unregister();
+
err_with_qm_start:
hisi_qm_del_from_list(qm, &hpre_devices);
hisi_qm_stop(qm);
@@ -794,107 +885,6 @@ err_with_qm_init:
return ret;
}
-static int hpre_vf_q_assign(struct hpre *hpre, int num_vfs)
-{
- struct hisi_qm *qm = &hpre->qm;
- u32 qp_num = qm->qp_num;
- int q_num, remain_q_num, i;
- u32 q_base = qp_num;
- int ret;
-
- if (!num_vfs)
- return -EINVAL;
-
- remain_q_num = qm->ctrl_qp_num - qp_num;
-
- /* If remaining queues are not enough, return error. */
- if (remain_q_num < num_vfs)
- return -EINVAL;
-
- q_num = remain_q_num / num_vfs;
- for (i = 1; i <= num_vfs; i++) {
- if (i == num_vfs)
- q_num += remain_q_num % num_vfs;
- ret = hisi_qm_set_vft(qm, i, q_base, (u32)q_num);
- if (ret)
- return ret;
- q_base += q_num;
- }
-
- return 0;
-}
-
-static int hpre_clear_vft_config(struct hpre *hpre)
-{
- struct hisi_qm *qm = &hpre->qm;
- u32 num_vfs = hpre->num_vfs;
- int ret;
- u32 i;
-
- for (i = 1; i <= num_vfs; i++) {
- ret = hisi_qm_set_vft(qm, i, 0, 0);
- if (ret)
- return ret;
- }
- hpre->num_vfs = 0;
-
- return 0;
-}
-
-static int hpre_sriov_enable(struct pci_dev *pdev, int max_vfs)
-{
- struct hpre *hpre = pci_get_drvdata(pdev);
- int pre_existing_vfs, num_vfs, ret;
-
- pre_existing_vfs = pci_num_vf(pdev);
- if (pre_existing_vfs) {
- pci_err(pdev,
- "Can't enable VF. Please disable pre-enabled VFs!\n");
- return 0;
- }
-
- num_vfs = min_t(int, max_vfs, HPRE_VF_NUM);
- ret = hpre_vf_q_assign(hpre, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't assign queues for VF!\n");
- return ret;
- }
-
- hpre->num_vfs = num_vfs;
-
- ret = pci_enable_sriov(pdev, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't enable VF!\n");
- hpre_clear_vft_config(hpre);
- return ret;
- }
-
- return num_vfs;
-}
-
-static int hpre_sriov_disable(struct pci_dev *pdev)
-{
- struct hpre *hpre = pci_get_drvdata(pdev);
-
- if (pci_vfs_assigned(pdev)) {
- pci_err(pdev, "Failed to disable VFs while VFs are assigned!\n");
- return -EPERM;
- }
-
- /* remove in hpre_pci_driver will be called to free VF resources */
- pci_disable_sriov(pdev);
-
- return hpre_clear_vft_config(hpre);
-}
-
-static int hpre_sriov_configure(struct pci_dev *pdev, int num_vfs)
-{
- if (num_vfs)
- return hpre_sriov_enable(pdev, num_vfs);
- else
- return hpre_sriov_disable(pdev);
-}
-
static void hpre_remove(struct pci_dev *pdev)
{
struct hpre *hpre = pci_get_drvdata(pdev);
@@ -903,8 +893,8 @@ static void hpre_remove(struct pci_dev *pdev)
hpre_algs_unregister();
hisi_qm_del_from_list(qm, &hpre_devices);
- if (qm->fun_type == QM_HW_PF && hpre->num_vfs != 0) {
- ret = hpre_sriov_disable(pdev);
+ if (qm->fun_type == QM_HW_PF && qm->vfs_num) {
+ ret = hisi_qm_sriov_disable(pdev);
if (ret) {
pci_err(pdev, "Disable SRIOV fail!\n");
return;
@@ -924,6 +914,9 @@ static void hpre_remove(struct pci_dev *pdev)
static const struct pci_error_handlers hpre_err_handler = {
.error_detected = hisi_qm_dev_err_detected,
+ .slot_reset = hisi_qm_dev_slot_reset,
+ .reset_prepare = hisi_qm_reset_prepare,
+ .reset_done = hisi_qm_reset_done,
};
static struct pci_driver hpre_pci_driver = {
@@ -931,7 +924,7 @@ static struct pci_driver hpre_pci_driver = {
.id_table = hpre_dev_ids,
.probe = hpre_probe,
.remove = hpre_remove,
- .sriov_configure = hpre_sriov_configure,
+ .sriov_configure = hisi_qm_sriov_configure,
.err_handler = &hpre_err_handler,
};
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index f795fb557630..9bb263cec6c3 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -1,9 +1,12 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 HiSilicon Limited. */
#include <asm/page.h>
+#include <linux/acpi.h>
+#include <linux/aer.h>
#include <linux/bitmap.h>
#include <linux/debugfs.h>
#include <linux/dma-mapping.h>
+#include <linux/idr.h>
#include <linux/io.h>
#include <linux/irqreturn.h>
#include <linux/log2.h>
@@ -53,6 +56,7 @@
#define QM_SQ_TYPE_SHIFT 8
#define QM_SQ_TYPE_MASK GENMASK(3, 0)
+#define QM_SQ_TAIL_IDX(sqc) ((le16_to_cpu((sqc)->w11) >> 6) & 0x1)
/* cqc shift */
#define QM_CQ_HOP_NUM_SHIFT 0
@@ -64,6 +68,7 @@
#define QM_CQE_PHASE(cqe) (le16_to_cpu((cqe)->w7) & 0x1)
#define QM_QC_CQE_SIZE 4
+#define QM_CQ_TAIL_IDX(cqc) ((le16_to_cpu((cqc)->w11) >> 6) & 0x1)
/* eqc shift */
#define QM_EQE_AEQE_SIZE (2UL << 12)
@@ -122,9 +127,11 @@
#define QM_DFX_CNT_CLR_CE 0x100118
#define QM_ABNORMAL_INT_SOURCE 0x100000
+#define QM_ABNORMAL_INT_SOURCE_CLR GENMASK(12, 0)
#define QM_ABNORMAL_INT_MASK 0x100004
#define QM_ABNORMAL_INT_MASK_VALUE 0x1fff
#define QM_ABNORMAL_INT_STATUS 0x100008
+#define QM_ABNORMAL_INT_SET 0x10000c
#define QM_ABNORMAL_INF00 0x100010
#define QM_FIFO_OVERFLOW_TYPE 0xc0
#define QM_FIFO_OVERFLOW_TYPE_SHIFT 6
@@ -140,6 +147,27 @@
#define QM_RAS_CE_TIMES_PER_IRQ 1
#define QM_RAS_MSI_INT_SEL 0x1040f4
+#define QM_DEV_RESET_FLAG 0
+#define QM_RESET_WAIT_TIMEOUT 400
+#define QM_PEH_VENDOR_ID 0x1000d8
+#define ACC_VENDOR_ID_VALUE 0x5a5a
+#define QM_PEH_DFX_INFO0 0x1000fc
+#define ACC_PEH_SRIOV_CTRL_VF_MSE_SHIFT 3
+#define ACC_PEH_MSI_DISABLE GENMASK(31, 0)
+#define ACC_MASTER_GLOBAL_CTRL_SHUTDOWN 0x1
+#define ACC_MASTER_TRANS_RETURN_RW 3
+#define ACC_MASTER_TRANS_RETURN 0x300150
+#define ACC_MASTER_GLOBAL_CTRL 0x300000
+#define ACC_AM_CFG_PORT_WR_EN 0x30001c
+#define QM_RAS_NFE_MBIT_DISABLE ~QM_ECC_MBIT
+#define ACC_AM_ROB_ECC_INT_STS 0x300104
+#define ACC_ROB_ECC_ERR_MULTPL BIT(1)
+
+#define POLL_PERIOD 10
+#define POLL_TIMEOUT 1000
+#define WAIT_PERIOD_US_MAX 200
+#define WAIT_PERIOD_US_MIN 100
+#define MAX_WAIT_COUNTS 1000
#define QM_CACHE_WB_START 0x204
#define QM_CACHE_WB_DONE 0x208
@@ -147,7 +175,12 @@
#define QM_SQE_DATA_ALIGN_MASK GENMASK(6, 0)
#define QMC_ALIGN(sz) ALIGN(sz, 32)
+#define QM_DBG_READ_LEN 256
+#define QM_DBG_WRITE_LEN 1024
#define QM_DBG_TMP_BUF_LEN 22
+#define QM_PCI_COMMAND_INVALID ~0
+
+#define QM_SQE_ADDR_MASK GENMASK(7, 0)
#define QM_MK_CQC_DW3_V1(hop_num, pg_sz, buf_sz, cqe_sz) \
(((hop_num) << QM_CQ_HOP_NUM_SHIFT) | \
@@ -190,6 +223,12 @@ enum vft_type {
CQC_VFT,
};
+enum acc_err_result {
+ ACC_ERR_NONE,
+ ACC_ERR_NEED_RESET,
+ ACC_ERR_RECOVERED,
+};
+
struct qm_cqe {
__le32 rsvd0;
__le16 cmd_id;
@@ -284,10 +323,22 @@ struct hisi_qm_hw_ops {
u8 cmd, u16 index, u8 priority);
u32 (*get_irq_num)(struct hisi_qm *qm);
int (*debug_init)(struct hisi_qm *qm);
- void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
- u32 msi);
+ void (*hw_error_init)(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe);
void (*hw_error_uninit)(struct hisi_qm *qm);
- pci_ers_result_t (*hw_error_handle)(struct hisi_qm *qm);
+ enum acc_err_result (*hw_error_handle)(struct hisi_qm *qm);
+};
+
+struct qm_dfx_item {
+ const char *name;
+ u32 offset;
+};
+
+static struct qm_dfx_item qm_dfx_files[] = {
+ {"err_irq", offsetof(struct qm_dfx, err_irq_cnt)},
+ {"aeq_irq", offsetof(struct qm_dfx, aeq_irq_cnt)},
+ {"abnormal_irq", offsetof(struct qm_dfx, abnormal_irq_cnt)},
+ {"create_qp_err", offsetof(struct qm_dfx, create_qp_err_cnt)},
+ {"mb_err", offsetof(struct qm_dfx, mb_err_cnt)},
};
static const char * const qm_debug_file_name[] = {
@@ -325,6 +376,93 @@ static const char * const qm_fifo_overflow[] = {
"cq", "eq", "aeq",
};
+static const char * const qm_s[] = {
+ "init", "start", "close", "stop",
+};
+
+static const char * const qp_s[] = {
+ "none", "init", "start", "stop", "close",
+};
+
+static bool qm_avail_state(struct hisi_qm *qm, enum qm_state new)
+{
+ enum qm_state curr = atomic_read(&qm->status.flags);
+ bool avail = false;
+
+ switch (curr) {
+ case QM_INIT:
+ if (new == QM_START || new == QM_CLOSE)
+ avail = true;
+ break;
+ case QM_START:
+ if (new == QM_STOP)
+ avail = true;
+ break;
+ case QM_STOP:
+ if (new == QM_CLOSE || new == QM_START)
+ avail = true;
+ break;
+ default:
+ break;
+ }
+
+ dev_dbg(&qm->pdev->dev, "change qm state from %s to %s\n",
+ qm_s[curr], qm_s[new]);
+
+ if (!avail)
+ dev_warn(&qm->pdev->dev, "Can not change qm state from %s to %s\n",
+ qm_s[curr], qm_s[new]);
+
+ return avail;
+}
+
+static bool qm_qp_avail_state(struct hisi_qm *qm, struct hisi_qp *qp,
+ enum qp_state new)
+{
+ enum qm_state qm_curr = atomic_read(&qm->status.flags);
+ enum qp_state qp_curr = 0;
+ bool avail = false;
+
+ if (qp)
+ qp_curr = atomic_read(&qp->qp_status.flags);
+
+ switch (new) {
+ case QP_INIT:
+ if (qm_curr == QM_START || qm_curr == QM_INIT)
+ avail = true;
+ break;
+ case QP_START:
+ if ((qm_curr == QM_START && qp_curr == QP_INIT) ||
+ (qm_curr == QM_START && qp_curr == QP_STOP))
+ avail = true;
+ break;
+ case QP_STOP:
+ if ((qm_curr == QM_START && qp_curr == QP_START) ||
+ (qp_curr == QP_INIT))
+ avail = true;
+ break;
+ case QP_CLOSE:
+ if ((qm_curr == QM_START && qp_curr == QP_INIT) ||
+ (qm_curr == QM_START && qp_curr == QP_STOP) ||
+ (qm_curr == QM_STOP && qp_curr == QP_STOP) ||
+ (qm_curr == QM_STOP && qp_curr == QP_INIT))
+ avail = true;
+ break;
+ default:
+ break;
+ }
+
+ dev_dbg(&qm->pdev->dev, "change qp state from %s to %s in QM %s\n",
+ qp_s[qp_curr], qp_s[new], qm_s[qm_curr]);
+
+ if (!avail)
+ dev_warn(&qm->pdev->dev,
+ "Can not change qp state from %s to %s in QM %s\n",
+ qp_s[qp_curr], qp_s[new], qm_s[qm_curr]);
+
+ return avail;
+}
+
/* return 0 mailbox ready, -ETIMEDOUT hardware timeout */
static int qm_wait_mb_ready(struct hisi_qm *qm)
{
@@ -393,6 +531,8 @@ static int qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue,
busy_unlock:
mutex_unlock(&qm->mailbox_lock);
+ if (ret)
+ atomic64_inc(&qm->debug.dfx.mb_err_cnt);
return ret;
}
@@ -460,7 +600,7 @@ static struct hisi_qp *qm_to_hisi_qp(struct hisi_qm *qm, struct qm_eqe *eqe)
{
u16 cqn = le32_to_cpu(eqe->dw0) & QM_EQE_CQN_MASK;
- return qm->qp_array[cqn];
+ return &qm->qp_array[cqn];
}
static void qm_cq_head_update(struct hisi_qp *qp)
@@ -510,8 +650,7 @@ static void qm_work_process(struct work_struct *work)
while (QM_EQE_PHASE(eqe) == qm->status.eqc_phase) {
eqe_num++;
qp = qm_to_hisi_qp(qm, eqe);
- if (qp)
- qm_poll_qp(qp, qm);
+ qm_poll_qp(qp, qm);
if (qm->status.eq_head == QM_Q_DEPTH - 1) {
qm->status.eqc_phase = !qm->status.eqc_phase;
@@ -551,6 +690,7 @@ static irqreturn_t qm_irq(int irq, void *data)
if (readl(qm->io_base + QM_VF_EQ_INT_SOURCE))
return do_qm_irq(irq, data);
+ atomic64_inc(&qm->debug.dfx.err_irq_cnt);
dev_err(&qm->pdev->dev, "invalid int source\n");
qm_db(qm, 0, QM_DOORBELL_CMD_EQ, qm->status.eq_head, 0);
@@ -563,6 +703,7 @@ static irqreturn_t qm_aeq_irq(int irq, void *data)
struct qm_aeqe *aeqe = qm->aeqe + qm->status.aeq_head;
u32 type;
+ atomic64_inc(&qm->debug.dfx.aeq_irq_cnt);
if (!readl(qm->io_base + QM_VF_AEQ_INT_SOURCE))
return IRQ_NONE;
@@ -590,79 +731,20 @@ static irqreturn_t qm_aeq_irq(int irq, void *data)
return IRQ_HANDLED;
}
-static irqreturn_t qm_abnormal_irq(int irq, void *data)
-{
- const struct hisi_qm_hw_error *err = qm_hw_error;
- struct hisi_qm *qm = data;
- struct device *dev = &qm->pdev->dev;
- u32 error_status, tmp;
-
- /* read err sts */
- tmp = readl(qm->io_base + QM_ABNORMAL_INT_STATUS);
- error_status = qm->msi_mask & tmp;
-
- while (err->msg) {
- if (err->int_msk & error_status)
- dev_err(dev, "%s [error status=0x%x] found\n",
- err->msg, err->int_msk);
-
- err++;
- }
-
- /* clear err sts */
- writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE);
-
- return IRQ_HANDLED;
-}
-
-static int qm_irq_register(struct hisi_qm *qm)
-{
- struct pci_dev *pdev = qm->pdev;
- int ret;
-
- ret = request_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR),
- qm_irq, IRQF_SHARED, qm->dev_name, qm);
- if (ret)
- return ret;
-
- if (qm->ver == QM_HW_V2) {
- ret = request_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR),
- qm_aeq_irq, IRQF_SHARED, qm->dev_name, qm);
- if (ret)
- goto err_aeq_irq;
-
- if (qm->fun_type == QM_HW_PF) {
- ret = request_irq(pci_irq_vector(pdev,
- QM_ABNORMAL_EVENT_IRQ_VECTOR),
- qm_abnormal_irq, IRQF_SHARED,
- qm->dev_name, qm);
- if (ret)
- goto err_abonormal_irq;
- }
- }
-
- return 0;
-
-err_abonormal_irq:
- free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
-err_aeq_irq:
- free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
- return ret;
-}
-
static void qm_irq_unregister(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
- if (qm->ver == QM_HW_V2) {
- free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
+ if (qm->ver == QM_HW_V1)
+ return;
+
+ free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
- if (qm->fun_type == QM_HW_PF)
- free_irq(pci_irq_vector(pdev,
- QM_ABNORMAL_EVENT_IRQ_VECTOR), qm);
- }
+ if (qm->fun_type == QM_HW_PF)
+ free_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR), qm);
}
static void qm_init_qp_status(struct hisi_qp *qp)
@@ -672,7 +754,7 @@ static void qm_init_qp_status(struct hisi_qp *qp)
qp_status->sq_tail = 0;
qp_status->cq_head = 0;
qp_status->cqc_phase = true;
- qp_status->flags = 0;
+ atomic_set(&qp_status->flags, 0);
}
static void qm_vft_data_cfg(struct hisi_qm *qm, enum vft_type type, u32 base,
@@ -683,36 +765,26 @@ static void qm_vft_data_cfg(struct hisi_qm *qm, enum vft_type type, u32 base,
if (number > 0) {
switch (type) {
case SQC_VFT:
- switch (qm->ver) {
- case QM_HW_V1:
+ if (qm->ver == QM_HW_V1) {
tmp = QM_SQC_VFT_BUF_SIZE |
QM_SQC_VFT_SQC_SIZE |
QM_SQC_VFT_INDEX_NUMBER |
QM_SQC_VFT_VALID |
(u64)base << QM_SQC_VFT_START_SQN_SHIFT;
- break;
- case QM_HW_V2:
+ } else {
tmp = (u64)base << QM_SQC_VFT_START_SQN_SHIFT |
QM_SQC_VFT_VALID |
(u64)(number - 1) << QM_SQC_VFT_SQN_SHIFT;
- break;
- case QM_HW_UNKNOWN:
- break;
}
break;
case CQC_VFT:
- switch (qm->ver) {
- case QM_HW_V1:
+ if (qm->ver == QM_HW_V1) {
tmp = QM_CQC_VFT_BUF_SIZE |
QM_CQC_VFT_SQC_SIZE |
QM_CQC_VFT_INDEX_NUMBER |
QM_CQC_VFT_VALID;
- break;
- case QM_HW_V2:
+ } else {
tmp = QM_CQC_VFT_VALID;
- break;
- case QM_HW_UNKNOWN:
- break;
}
break;
}
@@ -986,6 +1058,473 @@ static const struct file_operations qm_regs_fops = {
.release = single_release,
};
+static ssize_t qm_cmd_read(struct file *filp, char __user *buffer,
+ size_t count, loff_t *pos)
+{
+ char buf[QM_DBG_READ_LEN];
+ int len;
+
+ if (*pos)
+ return 0;
+
+ if (count < QM_DBG_READ_LEN)
+ return -ENOSPC;
+
+ len = snprintf(buf, QM_DBG_READ_LEN, "%s\n",
+ "Please echo help to cmd to get help information");
+
+ if (copy_to_user(buffer, buf, len))
+ return -EFAULT;
+
+ return (*pos = len);
+}
+
+static void *qm_ctx_alloc(struct hisi_qm *qm, size_t ctx_size,
+ dma_addr_t *dma_addr)
+{
+ struct device *dev = &qm->pdev->dev;
+ void *ctx_addr;
+
+ ctx_addr = kzalloc(ctx_size, GFP_KERNEL);
+ if (!ctx_addr)
+ return ERR_PTR(-ENOMEM);
+
+ *dma_addr = dma_map_single(dev, ctx_addr, ctx_size, DMA_FROM_DEVICE);
+ if (dma_mapping_error(dev, *dma_addr)) {
+ dev_err(dev, "DMA mapping error!\n");
+ kfree(ctx_addr);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ return ctx_addr;
+}
+
+static void qm_ctx_free(struct hisi_qm *qm, size_t ctx_size,
+ const void *ctx_addr, dma_addr_t *dma_addr)
+{
+ struct device *dev = &qm->pdev->dev;
+
+ dma_unmap_single(dev, *dma_addr, ctx_size, DMA_FROM_DEVICE);
+ kfree(ctx_addr);
+}
+
+static int dump_show(struct hisi_qm *qm, void *info,
+ unsigned int info_size, char *info_name)
+{
+ struct device *dev = &qm->pdev->dev;
+ u8 *info_buf, *info_curr = info;
+ u32 i;
+#define BYTE_PER_DW 4
+
+ info_buf = kzalloc(info_size, GFP_KERNEL);
+ if (!info_buf)
+ return -ENOMEM;
+
+ for (i = 0; i < info_size; i++, info_curr++) {
+ if (i % BYTE_PER_DW == 0)
+ info_buf[i + 3UL] = *info_curr;
+ else if (i % BYTE_PER_DW == 1)
+ info_buf[i + 1UL] = *info_curr;
+ else if (i % BYTE_PER_DW == 2)
+ info_buf[i - 1] = *info_curr;
+ else if (i % BYTE_PER_DW == 3)
+ info_buf[i - 3] = *info_curr;
+ }
+
+ dev_info(dev, "%s DUMP\n", info_name);
+ for (i = 0; i < info_size; i += BYTE_PER_DW) {
+ pr_info("DW%d: %02X%02X %02X%02X\n", i / BYTE_PER_DW,
+ info_buf[i], info_buf[i + 1UL],
+ info_buf[i + 2UL], info_buf[i + 3UL]);
+ }
+
+ kfree(info_buf);
+
+ return 0;
+}
+
+static int qm_dump_sqc_raw(struct hisi_qm *qm, dma_addr_t dma_addr, u16 qp_id)
+{
+ return qm_mb(qm, QM_MB_CMD_SQC, dma_addr, qp_id, 1);
+}
+
+static int qm_dump_cqc_raw(struct hisi_qm *qm, dma_addr_t dma_addr, u16 qp_id)
+{
+ return qm_mb(qm, QM_MB_CMD_CQC, dma_addr, qp_id, 1);
+}
+
+static int qm_sqc_dump(struct hisi_qm *qm, const char *s)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct qm_sqc *sqc, *sqc_curr;
+ dma_addr_t sqc_dma;
+ u32 qp_id;
+ int ret;
+
+ if (!s)
+ return -EINVAL;
+
+ ret = kstrtou32(s, 0, &qp_id);
+ if (ret || qp_id >= qm->qp_num) {
+ dev_err(dev, "Please input qp num (0-%d)", qm->qp_num - 1);
+ return -EINVAL;
+ }
+
+ sqc = qm_ctx_alloc(qm, sizeof(*sqc), &sqc_dma);
+ if (IS_ERR(sqc))
+ return PTR_ERR(sqc);
+
+ ret = qm_dump_sqc_raw(qm, sqc_dma, qp_id);
+ if (ret) {
+ down_read(&qm->qps_lock);
+ if (qm->sqc) {
+ sqc_curr = qm->sqc + qp_id;
+
+ ret = dump_show(qm, sqc_curr, sizeof(*sqc),
+ "SOFT SQC");
+ if (ret)
+ dev_info(dev, "Show soft sqc failed!\n");
+ }
+ up_read(&qm->qps_lock);
+
+ goto err_free_ctx;
+ }
+
+ ret = dump_show(qm, sqc, sizeof(*sqc), "SQC");
+ if (ret)
+ dev_info(dev, "Show hw sqc failed!\n");
+
+err_free_ctx:
+ qm_ctx_free(qm, sizeof(*sqc), sqc, &sqc_dma);
+ return ret;
+}
+
+static int qm_cqc_dump(struct hisi_qm *qm, const char *s)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct qm_cqc *cqc, *cqc_curr;
+ dma_addr_t cqc_dma;
+ u32 qp_id;
+ int ret;
+
+ if (!s)
+ return -EINVAL;
+
+ ret = kstrtou32(s, 0, &qp_id);
+ if (ret || qp_id >= qm->qp_num) {
+ dev_err(dev, "Please input qp num (0-%d)", qm->qp_num - 1);
+ return -EINVAL;
+ }
+
+ cqc = qm_ctx_alloc(qm, sizeof(*cqc), &cqc_dma);
+ if (IS_ERR(cqc))
+ return PTR_ERR(cqc);
+
+ ret = qm_dump_cqc_raw(qm, cqc_dma, qp_id);
+ if (ret) {
+ down_read(&qm->qps_lock);
+ if (qm->cqc) {
+ cqc_curr = qm->cqc + qp_id;
+
+ ret = dump_show(qm, cqc_curr, sizeof(*cqc),
+ "SOFT CQC");
+ if (ret)
+ dev_info(dev, "Show soft cqc failed!\n");
+ }
+ up_read(&qm->qps_lock);
+
+ goto err_free_ctx;
+ }
+
+ ret = dump_show(qm, cqc, sizeof(*cqc), "CQC");
+ if (ret)
+ dev_info(dev, "Show hw cqc failed!\n");
+
+err_free_ctx:
+ qm_ctx_free(qm, sizeof(*cqc), cqc, &cqc_dma);
+ return ret;
+}
+
+static int qm_eqc_aeqc_dump(struct hisi_qm *qm, char *s, size_t size,
+ int cmd, char *name)
+{
+ struct device *dev = &qm->pdev->dev;
+ dma_addr_t xeqc_dma;
+ void *xeqc;
+ int ret;
+
+ if (strsep(&s, " ")) {
+ dev_err(dev, "Please do not input extra characters!\n");
+ return -EINVAL;
+ }
+
+ xeqc = qm_ctx_alloc(qm, size, &xeqc_dma);
+ if (IS_ERR(xeqc))
+ return PTR_ERR(xeqc);
+
+ ret = qm_mb(qm, cmd, xeqc_dma, 0, 1);
+ if (ret)
+ goto err_free_ctx;
+
+ ret = dump_show(qm, xeqc, size, name);
+ if (ret)
+ dev_info(dev, "Show hw %s failed!\n", name);
+
+err_free_ctx:
+ qm_ctx_free(qm, size, xeqc, &xeqc_dma);
+ return ret;
+}
+
+static int q_dump_param_parse(struct hisi_qm *qm, char *s,
+ u32 *e_id, u32 *q_id)
+{
+ struct device *dev = &qm->pdev->dev;
+ unsigned int qp_num = qm->qp_num;
+ char *presult;
+ int ret;
+
+ presult = strsep(&s, " ");
+ if (!presult) {
+ dev_err(dev, "Please input qp number!\n");
+ return -EINVAL;
+ }
+
+ ret = kstrtou32(presult, 0, q_id);
+ if (ret || *q_id >= qp_num) {
+ dev_err(dev, "Please input qp num (0-%d)", qp_num - 1);
+ return -EINVAL;
+ }
+
+ presult = strsep(&s, " ");
+ if (!presult) {
+ dev_err(dev, "Please input sqe number!\n");
+ return -EINVAL;
+ }
+
+ ret = kstrtou32(presult, 0, e_id);
+ if (ret || *e_id >= QM_Q_DEPTH) {
+ dev_err(dev, "Please input sqe num (0-%d)", QM_Q_DEPTH - 1);
+ return -EINVAL;
+ }
+
+ if (strsep(&s, " ")) {
+ dev_err(dev, "Please do not input extra characters!\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int qm_sq_dump(struct hisi_qm *qm, char *s)
+{
+ struct device *dev = &qm->pdev->dev;
+ void *sqe, *sqe_curr;
+ struct hisi_qp *qp;
+ u32 qp_id, sqe_id;
+ int ret;
+
+ ret = q_dump_param_parse(qm, s, &sqe_id, &qp_id);
+ if (ret)
+ return ret;
+
+ sqe = kzalloc(qm->sqe_size * QM_Q_DEPTH, GFP_KERNEL);
+ if (!sqe)
+ return -ENOMEM;
+
+ qp = &qm->qp_array[qp_id];
+ memcpy(sqe, qp->sqe, qm->sqe_size * QM_Q_DEPTH);
+ sqe_curr = sqe + (u32)(sqe_id * qm->sqe_size);
+ memset(sqe_curr + qm->debug.sqe_mask_offset, QM_SQE_ADDR_MASK,
+ qm->debug.sqe_mask_len);
+
+ ret = dump_show(qm, sqe_curr, qm->sqe_size, "SQE");
+ if (ret)
+ dev_info(dev, "Show sqe failed!\n");
+
+ kfree(sqe);
+
+ return ret;
+}
+
+static int qm_cq_dump(struct hisi_qm *qm, char *s)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct qm_cqe *cqe_curr;
+ struct hisi_qp *qp;
+ u32 qp_id, cqe_id;
+ int ret;
+
+ ret = q_dump_param_parse(qm, s, &cqe_id, &qp_id);
+ if (ret)
+ return ret;
+
+ qp = &qm->qp_array[qp_id];
+ cqe_curr = qp->cqe + cqe_id;
+ ret = dump_show(qm, cqe_curr, sizeof(struct qm_cqe), "CQE");
+ if (ret)
+ dev_info(dev, "Show cqe failed!\n");
+
+ return ret;
+}
+
+static int qm_eq_aeq_dump(struct hisi_qm *qm, const char *s,
+ size_t size, char *name)
+{
+ struct device *dev = &qm->pdev->dev;
+ void *xeqe;
+ u32 xeqe_id;
+ int ret;
+
+ if (!s)
+ return -EINVAL;
+
+ ret = kstrtou32(s, 0, &xeqe_id);
+ if (ret || xeqe_id >= QM_Q_DEPTH) {
+ dev_err(dev, "Please input aeqe num (0-%d)", QM_Q_DEPTH - 1);
+ return -EINVAL;
+ }
+
+ down_read(&qm->qps_lock);
+
+ if (qm->eqe && !strcmp(name, "EQE")) {
+ xeqe = qm->eqe + xeqe_id;
+ } else if (qm->aeqe && !strcmp(name, "AEQE")) {
+ xeqe = qm->aeqe + xeqe_id;
+ } else {
+ ret = -EINVAL;
+ goto err_unlock;
+ }
+
+ ret = dump_show(qm, xeqe, size, name);
+ if (ret)
+ dev_info(dev, "Show %s failed!\n", name);
+
+err_unlock:
+ up_read(&qm->qps_lock);
+ return ret;
+}
+
+static int qm_dbg_help(struct hisi_qm *qm, char *s)
+{
+ struct device *dev = &qm->pdev->dev;
+
+ if (strsep(&s, " ")) {
+ dev_err(dev, "Please do not input extra characters!\n");
+ return -EINVAL;
+ }
+
+ dev_info(dev, "available commands:\n");
+ dev_info(dev, "sqc <num>\n");
+ dev_info(dev, "cqc <num>\n");
+ dev_info(dev, "eqc\n");
+ dev_info(dev, "aeqc\n");
+ dev_info(dev, "sq <num> <e>\n");
+ dev_info(dev, "cq <num> <e>\n");
+ dev_info(dev, "eq <e>\n");
+ dev_info(dev, "aeq <e>\n");
+
+ return 0;
+}
+
+static int qm_cmd_write_dump(struct hisi_qm *qm, const char *cmd_buf)
+{
+ struct device *dev = &qm->pdev->dev;
+ char *presult, *s;
+ int ret;
+
+ s = kstrdup(cmd_buf, GFP_KERNEL);
+ if (!s)
+ return -ENOMEM;
+
+ presult = strsep(&s, " ");
+ if (!presult) {
+ kfree(s);
+ return -EINVAL;
+ }
+
+ if (!strcmp(presult, "sqc"))
+ ret = qm_sqc_dump(qm, s);
+ else if (!strcmp(presult, "cqc"))
+ ret = qm_cqc_dump(qm, s);
+ else if (!strcmp(presult, "eqc"))
+ ret = qm_eqc_aeqc_dump(qm, s, sizeof(struct qm_eqc),
+ QM_MB_CMD_EQC, "EQC");
+ else if (!strcmp(presult, "aeqc"))
+ ret = qm_eqc_aeqc_dump(qm, s, sizeof(struct qm_aeqc),
+ QM_MB_CMD_AEQC, "AEQC");
+ else if (!strcmp(presult, "sq"))
+ ret = qm_sq_dump(qm, s);
+ else if (!strcmp(presult, "cq"))
+ ret = qm_cq_dump(qm, s);
+ else if (!strcmp(presult, "eq"))
+ ret = qm_eq_aeq_dump(qm, s, sizeof(struct qm_eqe), "EQE");
+ else if (!strcmp(presult, "aeq"))
+ ret = qm_eq_aeq_dump(qm, s, sizeof(struct qm_aeqe), "AEQE");
+ else if (!strcmp(presult, "help"))
+ ret = qm_dbg_help(qm, s);
+ else
+ ret = -EINVAL;
+
+ if (ret)
+ dev_info(dev, "Please echo help\n");
+
+ kfree(s);
+
+ return ret;
+}
+
+static ssize_t qm_cmd_write(struct file *filp, const char __user *buffer,
+ size_t count, loff_t *pos)
+{
+ struct hisi_qm *qm = filp->private_data;
+ char *cmd_buf, *cmd_buf_tmp;
+ int ret;
+
+ if (*pos)
+ return 0;
+
+ /* Judge if the instance is being reset. */
+ if (unlikely(atomic_read(&qm->status.flags) == QM_STOP))
+ return 0;
+
+ if (count > QM_DBG_WRITE_LEN)
+ return -ENOSPC;
+
+ cmd_buf = kzalloc(count + 1, GFP_KERNEL);
+ if (!cmd_buf)
+ return -ENOMEM;
+
+ if (copy_from_user(cmd_buf, buffer, count)) {
+ kfree(cmd_buf);
+ return -EFAULT;
+ }
+
+ cmd_buf[count] = '\0';
+
+ cmd_buf_tmp = strchr(cmd_buf, '\n');
+ if (cmd_buf_tmp) {
+ *cmd_buf_tmp = '\0';
+ count = cmd_buf_tmp - cmd_buf + 1;
+ }
+
+ ret = qm_cmd_write_dump(qm, cmd_buf);
+ if (ret) {
+ kfree(cmd_buf);
+ return ret;
+ }
+
+ kfree(cmd_buf);
+
+ return count;
+}
+
+static const struct file_operations qm_cmd_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = qm_cmd_read,
+ .write = qm_cmd_write,
+};
+
static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
{
struct dentry *qm_d = qm->debug.qm_d;
@@ -1001,20 +1540,21 @@ static int qm_create_debugfs_file(struct hisi_qm *qm, enum qm_debug_file index)
return 0;
}
-static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
- u32 msi)
+static void qm_hw_error_init_v1(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe)
{
writel(QM_ABNORMAL_INT_MASK_VALUE, qm->io_base + QM_ABNORMAL_INT_MASK);
}
-static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
- u32 msi)
+static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe)
{
- u32 irq_enable = ce | nfe | fe | msi;
+ u32 irq_enable = ce | nfe | fe;
u32 irq_unmask = ~irq_enable;
qm->error_mask = ce | nfe | fe;
- qm->msi_mask = msi;
+
+ /* clear QM hw residual error source */
+ writel(QM_ABNORMAL_INT_SOURCE_CLR,
+ qm->io_base + QM_ABNORMAL_INT_SOURCE);
/* configure error type */
writel(ce, qm->io_base + QM_RAS_CE_ENABLE);
@@ -1022,9 +1562,6 @@ static void qm_hw_error_init_v2(struct hisi_qm *qm, u32 ce, u32 nfe, u32 fe,
writel(nfe, qm->io_base + QM_RAS_NFE_ENABLE);
writel(fe, qm->io_base + QM_RAS_FE_ENABLE);
- /* use RAS irq default, so only set QM_RAS_MSI_INT_SEL for MSI */
- writel(msi, qm->io_base + QM_RAS_MSI_INT_SEL);
-
irq_unmask &= readl(qm->io_base + QM_ABNORMAL_INT_MASK);
writel(irq_unmask, qm->io_base + QM_ABNORMAL_INT_MASK);
}
@@ -1071,7 +1608,7 @@ static void qm_log_hw_error(struct hisi_qm *qm, u32 error_status)
}
}
-static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm)
+static enum acc_err_result qm_hw_error_handle_v2(struct hisi_qm *qm)
{
u32 error_status, tmp;
@@ -1080,15 +1617,20 @@ static pci_ers_result_t qm_hw_error_handle_v2(struct hisi_qm *qm)
error_status = qm->error_mask & tmp;
if (error_status) {
- qm_log_hw_error(qm, error_status);
+ if (error_status & QM_ECC_MBIT)
+ qm->err_status.is_qm_ecc_mbit = true;
- /* clear err sts */
- writel(error_status, qm->io_base + QM_ABNORMAL_INT_SOURCE);
+ qm_log_hw_error(qm, error_status);
+ if (error_status == QM_DB_RANDOM_INVALID) {
+ writel(error_status, qm->io_base +
+ QM_ABNORMAL_INT_SOURCE);
+ return ACC_ERR_RECOVERED;
+ }
- return PCI_ERS_RESULT_NEED_RESET;
+ return ACC_ERR_NEED_RESET;
}
- return PCI_ERS_RESULT_RECOVERED;
+ return ACC_ERR_RECOVERED;
}
static const struct hisi_qm_hw_ops qm_hw_ops_v1 = {
@@ -1117,68 +1659,61 @@ static void *qm_get_avail_sqe(struct hisi_qp *qp)
return qp->sqe + sq_tail * qp->qm->sqe_size;
}
-/**
- * hisi_qm_create_qp() - Create a queue pair from qm.
- * @qm: The qm we create a qp from.
- * @alg_type: Accelerator specific algorithm type in sqc.
- *
- * return created qp, -EBUSY if all qps in qm allocated, -ENOMEM if allocating
- * qp memory fails.
- */
-struct hisi_qp *hisi_qm_create_qp(struct hisi_qm *qm, u8 alg_type)
+static struct hisi_qp *qm_create_qp_nolock(struct hisi_qm *qm, u8 alg_type)
{
struct device *dev = &qm->pdev->dev;
struct hisi_qp *qp;
- int qp_id, ret;
-
- qp = kzalloc(sizeof(*qp), GFP_KERNEL);
- if (!qp)
- return ERR_PTR(-ENOMEM);
+ int qp_id;
- write_lock(&qm->qps_lock);
+ if (!qm_qp_avail_state(qm, NULL, QP_INIT))
+ return ERR_PTR(-EPERM);
- qp_id = find_first_zero_bit(qm->qp_bitmap, qm->qp_num);
- if (qp_id >= qm->qp_num) {
- write_unlock(&qm->qps_lock);
- dev_info(&qm->pdev->dev, "QM all queues are busy!\n");
- ret = -EBUSY;
- goto err_free_qp;
+ if (qm->qp_in_used == qm->qp_num) {
+ dev_info_ratelimited(dev, "All %u queues of QM are busy!\n",
+ qm->qp_num);
+ atomic64_inc(&qm->debug.dfx.create_qp_err_cnt);
+ return ERR_PTR(-EBUSY);
}
- set_bit(qp_id, qm->qp_bitmap);
- qm->qp_array[qp_id] = qp;
- qm->qp_in_used++;
- write_unlock(&qm->qps_lock);
-
- qp->qm = qm;
+ qp_id = idr_alloc_cyclic(&qm->qp_idr, NULL, 0, qm->qp_num, GFP_ATOMIC);
+ if (qp_id < 0) {
+ dev_info_ratelimited(dev, "All %u queues of QM are busy!\n",
+ qm->qp_num);
+ atomic64_inc(&qm->debug.dfx.create_qp_err_cnt);
+ return ERR_PTR(-EBUSY);
+ }
- if (qm->use_dma_api) {
- qp->qdma.size = qm->sqe_size * QM_Q_DEPTH +
- sizeof(struct qm_cqe) * QM_Q_DEPTH;
- qp->qdma.va = dma_alloc_coherent(dev, qp->qdma.size,
- &qp->qdma.dma, GFP_KERNEL);
- if (!qp->qdma.va) {
- ret = -ENOMEM;
- goto err_clear_bit;
- }
+ qp = &qm->qp_array[qp_id];
- dev_dbg(dev, "allocate qp dma buf(va=%pK, dma=%pad, size=%zx)\n",
- qp->qdma.va, &qp->qdma.dma, qp->qdma.size);
- }
+ memset(qp->cqe, 0, sizeof(struct qm_cqe) * QM_Q_DEPTH);
+ qp->event_cb = NULL;
+ qp->req_cb = NULL;
qp->qp_id = qp_id;
qp->alg_type = alg_type;
+ qm->qp_in_used++;
+ atomic_set(&qp->qp_status.flags, QP_INIT);
return qp;
+}
+
+/**
+ * hisi_qm_create_qp() - Create a queue pair from qm.
+ * @qm: The qm we create a qp from.
+ * @alg_type: Accelerator specific algorithm type in sqc.
+ *
+ * return created qp, -EBUSY if all qps in qm allocated, -ENOMEM if allocating
+ * qp memory fails.
+ */
+struct hisi_qp *hisi_qm_create_qp(struct hisi_qm *qm, u8 alg_type)
+{
+ struct hisi_qp *qp;
-err_clear_bit:
- write_lock(&qm->qps_lock);
- qm->qp_array[qp_id] = NULL;
- clear_bit(qp_id, qm->qp_bitmap);
- write_unlock(&qm->qps_lock);
-err_free_qp:
- kfree(qp);
- return ERR_PTR(ret);
+ down_write(&qm->qps_lock);
+ qp = qm_create_qp_nolock(qm, alg_type);
+ up_write(&qm->qps_lock);
+
+ return qp;
}
EXPORT_SYMBOL_GPL(hisi_qm_create_qp);
@@ -1191,19 +1726,18 @@ EXPORT_SYMBOL_GPL(hisi_qm_create_qp);
void hisi_qm_release_qp(struct hisi_qp *qp)
{
struct hisi_qm *qm = qp->qm;
- struct qm_dma *qdma = &qp->qdma;
- struct device *dev = &qm->pdev->dev;
- if (qm->use_dma_api && qdma->va)
- dma_free_coherent(dev, qdma->size, qdma->va, qdma->dma);
+ down_write(&qm->qps_lock);
+
+ if (!qm_qp_avail_state(qm, qp, QP_CLOSE)) {
+ up_write(&qm->qps_lock);
+ return;
+ }
- write_lock(&qm->qps_lock);
- qm->qp_array[qp->qp_id] = NULL;
- clear_bit(qp->qp_id, qm->qp_bitmap);
qm->qp_in_used--;
- write_unlock(&qm->qps_lock);
+ idr_remove(&qm->qp_idr, qp->qp_id);
- kfree(qp);
+ up_write(&qm->qps_lock);
}
EXPORT_SYMBOL_GPL(hisi_qm_release_qp);
@@ -1234,7 +1768,7 @@ static int qm_qp_ctx_cfg(struct hisi_qp *qp, int qp_id, int pasid)
if (ver == QM_HW_V1) {
sqc->dw3 = cpu_to_le32(QM_MK_SQC_DW3_V1(0, 0, 0, qm->sqe_size));
sqc->w8 = cpu_to_le16(QM_Q_DEPTH - 1);
- } else if (ver == QM_HW_V2) {
+ } else {
sqc->dw3 = cpu_to_le32(QM_MK_SQC_DW3_V2(qm->sqe_size));
sqc->w8 = 0; /* rand_qc */
}
@@ -1261,7 +1795,7 @@ static int qm_qp_ctx_cfg(struct hisi_qp *qp, int qp_id, int pasid)
if (ver == QM_HW_V1) {
cqc->dw3 = cpu_to_le32(QM_MK_CQC_DW3_V1(0, 0, 0, 4));
cqc->w8 = cpu_to_le16(QM_Q_DEPTH - 1);
- } else if (ver == QM_HW_V2) {
+ } else {
cqc->dw3 = cpu_to_le32(QM_MK_CQC_DW3_V2(4));
cqc->w8 = 0;
}
@@ -1274,6 +1808,27 @@ static int qm_qp_ctx_cfg(struct hisi_qp *qp, int qp_id, int pasid)
return ret;
}
+static int qm_start_qp_nolock(struct hisi_qp *qp, unsigned long arg)
+{
+ struct hisi_qm *qm = qp->qm;
+ struct device *dev = &qm->pdev->dev;
+ int qp_id = qp->qp_id;
+ int pasid = arg;
+ int ret;
+
+ if (!qm_qp_avail_state(qm, qp, QP_START))
+ return -EPERM;
+
+ ret = qm_qp_ctx_cfg(qp, qp_id, pasid);
+ if (ret)
+ return ret;
+
+ atomic_set(&qp->qp_status.flags, QP_START);
+ dev_dbg(dev, "queue %d started\n", qp_id);
+
+ return 0;
+}
+
/**
* hisi_qm_start_qp() - Start a qp into running.
* @qp: The qp we want to start to run.
@@ -1285,48 +1840,112 @@ static int qm_qp_ctx_cfg(struct hisi_qp *qp, int qp_id, int pasid)
int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg)
{
struct hisi_qm *qm = qp->qm;
- struct device *dev = &qm->pdev->dev;
- enum qm_hw_ver ver = qm->ver;
- int qp_id = qp->qp_id;
- int pasid = arg;
- size_t off = 0;
int ret;
-#define QP_INIT_BUF(qp, type, size) do { \
- (qp)->type = ((qp)->qdma.va + (off)); \
- (qp)->type##_dma = (qp)->qdma.dma + (off); \
- off += (size); \
-} while (0)
+ down_write(&qm->qps_lock);
+ ret = qm_start_qp_nolock(qp, arg);
+ up_write(&qm->qps_lock);
- if (!qp->qdma.dma) {
- dev_err(dev, "cannot get qm dma buffer\n");
- return -EINVAL;
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_start_qp);
+
+/**
+ * Determine whether the queue is cleared by judging the tail pointers of
+ * sq and cq.
+ */
+static int qm_drain_qp(struct hisi_qp *qp)
+{
+ size_t size = sizeof(struct qm_sqc) + sizeof(struct qm_cqc);
+ struct hisi_qm *qm = qp->qm;
+ struct device *dev = &qm->pdev->dev;
+ struct qm_sqc *sqc;
+ struct qm_cqc *cqc;
+ dma_addr_t dma_addr;
+ int ret = 0, i = 0;
+ void *addr;
+
+ /*
+ * No need to judge if ECC multi-bit error occurs because the
+ * master OOO will be blocked.
+ */
+ if (qm->err_status.is_qm_ecc_mbit || qm->err_status.is_dev_ecc_mbit)
+ return 0;
+
+ addr = qm_ctx_alloc(qm, size, &dma_addr);
+ if (IS_ERR(addr)) {
+ dev_err(dev, "Failed to alloc ctx for sqc and cqc!\n");
+ return -ENOMEM;
}
- /* sq need 128 bytes alignment */
- if (qp->qdma.dma & QM_SQE_DATA_ALIGN_MASK) {
- dev_err(dev, "qm sq is not aligned to 128 byte\n");
- return -EINVAL;
+ while (++i) {
+ ret = qm_dump_sqc_raw(qm, dma_addr, qp->qp_id);
+ if (ret) {
+ dev_err_ratelimited(dev, "Failed to dump sqc!\n");
+ break;
+ }
+ sqc = addr;
+
+ ret = qm_dump_cqc_raw(qm, (dma_addr + sizeof(struct qm_sqc)),
+ qp->qp_id);
+ if (ret) {
+ dev_err_ratelimited(dev, "Failed to dump cqc!\n");
+ break;
+ }
+ cqc = addr + sizeof(struct qm_sqc);
+
+ if ((sqc->tail == cqc->tail) &&
+ (QM_SQ_TAIL_IDX(sqc) == QM_CQ_TAIL_IDX(cqc)))
+ break;
+
+ if (i == MAX_WAIT_COUNTS) {
+ dev_err(dev, "Fail to empty queue %u!\n", qp->qp_id);
+ ret = -EBUSY;
+ break;
+ }
+
+ usleep_range(WAIT_PERIOD_US_MIN, WAIT_PERIOD_US_MAX);
}
- QP_INIT_BUF(qp, sqe, qm->sqe_size * QM_Q_DEPTH);
- QP_INIT_BUF(qp, cqe, sizeof(struct qm_cqe) * QM_Q_DEPTH);
+ qm_ctx_free(qm, size, addr, &dma_addr);
- dev_dbg(dev, "init qp buffer(v%d):\n"
- " sqe (%pK, %lx)\n"
- " cqe (%pK, %lx)\n",
- ver, qp->sqe, (unsigned long)qp->sqe_dma,
- qp->cqe, (unsigned long)qp->cqe_dma);
+ return ret;
+}
- ret = qm_qp_ctx_cfg(qp, qp_id, pasid);
+static int qm_stop_qp_nolock(struct hisi_qp *qp)
+{
+ struct device *dev = &qp->qm->pdev->dev;
+ int ret;
+
+ /*
+ * It is allowed to stop and release qp when reset, If the qp is
+ * stopped when reset but still want to be released then, the
+ * is_resetting flag should be set negative so that this qp will not
+ * be restarted after reset.
+ */
+ if (atomic_read(&qp->qp_status.flags) == QP_STOP) {
+ qp->is_resetting = false;
+ return 0;
+ }
+
+ if (!qm_qp_avail_state(qp->qm, qp, QP_STOP))
+ return -EPERM;
+
+ atomic_set(&qp->qp_status.flags, QP_STOP);
+
+ ret = qm_drain_qp(qp);
if (ret)
- return ret;
+ dev_err(dev, "Failed to drain out data for stopping!\n");
- dev_dbg(dev, "queue %d started\n", qp_id);
+ if (qp->qm->wq)
+ flush_workqueue(qp->qm->wq);
+ else
+ flush_work(&qp->qm->work);
+
+ dev_dbg(dev, "stop queue %u!", qp->qp_id);
return 0;
}
-EXPORT_SYMBOL_GPL(hisi_qm_start_qp);
/**
* hisi_qm_stop_qp() - Stop a qp in qm.
@@ -1336,27 +1955,13 @@ EXPORT_SYMBOL_GPL(hisi_qm_start_qp);
*/
int hisi_qm_stop_qp(struct hisi_qp *qp)
{
- struct device *dev = &qp->qm->pdev->dev;
- int i = 0;
-
- /* it is stopped */
- if (test_bit(QP_STOP, &qp->qp_status.flags))
- return 0;
-
- while (atomic_read(&qp->qp_status.used)) {
- i++;
- msleep(20);
- if (i == 10) {
- dev_err(dev, "Cannot drain out data for stopping, Force to stop!\n");
- return 0;
- }
- }
-
- set_bit(QP_STOP, &qp->qp_status.flags);
+ int ret;
- dev_dbg(dev, "stop queue %u!", qp->qp_id);
+ down_write(&qp->qm->qps_lock);
+ ret = qm_stop_qp_nolock(qp);
+ up_write(&qp->qm->qps_lock);
- return 0;
+ return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_stop_qp);
@@ -1367,6 +1972,13 @@ EXPORT_SYMBOL_GPL(hisi_qm_stop_qp);
*
* This function will return -EBUSY if qp is currently full, and -EAGAIN
* if qp related qm is resetting.
+ *
+ * Note: This function may run with qm_irq_thread and ACC reset at same time.
+ * It has no race with qm_irq_thread. However, during hisi_qp_send, ACC
+ * reset may happen, we have no lock here considering performance. This
+ * causes current qm_db sending fail or can not receive sended sqe. QM
+ * sync/async receive function should handle the error sqe. ACC reset
+ * done function should clear used sqe to 0.
*/
int hisi_qp_send(struct hisi_qp *qp, const void *msg)
{
@@ -1375,7 +1987,9 @@ int hisi_qp_send(struct hisi_qp *qp, const void *msg)
u16 sq_tail_next = (sq_tail + 1) % QM_Q_DEPTH;
void *sqe = qm_get_avail_sqe(qp);
- if (unlikely(test_bit(QP_STOP, &qp->qp_status.flags))) {
+ if (unlikely(atomic_read(&qp->qp_status.flags) == QP_STOP ||
+ atomic_read(&qp->qm->status.flags) == QM_STOP ||
+ qp->is_resetting)) {
dev_info(&qp->qm->pdev->dev, "QP is stopped or resetting\n");
return -EAGAIN;
}
@@ -1397,12 +2011,13 @@ static void hisi_qm_cache_wb(struct hisi_qm *qm)
{
unsigned int val;
- if (qm->ver == QM_HW_V2) {
- writel(0x1, qm->io_base + QM_CACHE_WB_START);
- if (readl_relaxed_poll_timeout(qm->io_base + QM_CACHE_WB_DONE,
- val, val & BIT(0), 10, 1000))
- dev_err(&qm->pdev->dev, "QM writeback sqc cache fail!\n");
- }
+ if (qm->ver == QM_HW_V1)
+ return;
+
+ writel(0x1, qm->io_base + QM_CACHE_WB_START);
+ if (readl_relaxed_poll_timeout(qm->io_base + QM_CACHE_WB_DONE,
+ val, val & BIT(0), 10, 1000))
+ dev_err(&qm->pdev->dev, "QM writeback sqc cache fail!\n");
}
static void qm_qp_event_notifier(struct hisi_qp *qp)
@@ -1412,16 +2027,7 @@ static void qm_qp_event_notifier(struct hisi_qp *qp)
static int hisi_qm_get_available_instances(struct uacce_device *uacce)
{
- int i, ret;
- struct hisi_qm *qm = uacce->priv;
-
- read_lock(&qm->qps_lock);
- for (i = 0, ret = 0; i < qm->qp_num; i++)
- if (!qm->qp_array[i])
- ret++;
- read_unlock(&qm->qps_lock);
-
- return ret;
+ return hisi_qm_get_free_qp_num(uacce->priv);
}
static int hisi_qm_uacce_get_queue(struct uacce_device *uacce,
@@ -1468,12 +2074,12 @@ static int hisi_qm_uacce_mmap(struct uacce_queue *q,
switch (qfr->type) {
case UACCE_QFRT_MMIO:
- if (qm->ver == QM_HW_V2) {
- if (sz > PAGE_SIZE * (QM_DOORBELL_PAGE_NR +
- QM_DOORBELL_SQ_CQ_BASE_V2 / PAGE_SIZE))
+ if (qm->ver == QM_HW_V1) {
+ if (sz > PAGE_SIZE * QM_DOORBELL_PAGE_NR)
return -EINVAL;
} else {
- if (sz > PAGE_SIZE * QM_DOORBELL_PAGE_NR)
+ if (sz > PAGE_SIZE * (QM_DOORBELL_PAGE_NR +
+ QM_DOORBELL_SQ_CQ_BASE_V2 / PAGE_SIZE))
return -EINVAL;
}
@@ -1519,9 +2125,9 @@ static int qm_set_sqctype(struct uacce_queue *q, u16 type)
struct hisi_qm *qm = q->uacce->priv;
struct hisi_qp *qp = q->priv;
- write_lock(&qm->qps_lock);
+ down_write(&qm->qps_lock);
qp->alg_type = type;
- write_unlock(&qm->qps_lock);
+ up_write(&qm->qps_lock);
return 0;
}
@@ -1623,107 +2229,121 @@ int hisi_qm_get_free_qp_num(struct hisi_qm *qm)
{
int ret;
- read_lock(&qm->qps_lock);
+ down_read(&qm->qps_lock);
ret = qm->qp_num - qm->qp_in_used;
- read_unlock(&qm->qps_lock);
+ up_read(&qm->qps_lock);
return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_get_free_qp_num);
-/**
- * hisi_qm_init() - Initialize configures about qm.
- * @qm: The qm needing init.
- *
- * This function init qm, then we can call hisi_qm_start to put qm into work.
- */
-int hisi_qm_init(struct hisi_qm *qm)
+static void hisi_qp_memory_uninit(struct hisi_qm *qm, int num)
{
- struct pci_dev *pdev = qm->pdev;
- struct device *dev = &pdev->dev;
- unsigned int num_vec;
- int ret;
+ struct device *dev = &qm->pdev->dev;
+ struct qm_dma *qdma;
+ int i;
- switch (qm->ver) {
- case QM_HW_V1:
- qm->ops = &qm_hw_ops_v1;
- break;
- case QM_HW_V2:
- qm->ops = &qm_hw_ops_v2;
- break;
- default:
- return -EINVAL;
+ for (i = num - 1; i >= 0; i--) {
+ qdma = &qm->qp_array[i].qdma;
+ dma_free_coherent(dev, qdma->size, qdma->va, qdma->dma);
}
- ret = qm_alloc_uacce(qm);
- if (ret < 0)
- dev_warn(&pdev->dev, "fail to alloc uacce (%d)\n", ret);
+ kfree(qm->qp_array);
+}
- ret = pci_enable_device_mem(pdev);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to enable device mem!\n");
- goto err_remove_uacce;
- }
+static int hisi_qp_memory_init(struct hisi_qm *qm, size_t dma_size, int id)
+{
+ struct device *dev = &qm->pdev->dev;
+ size_t off = qm->sqe_size * QM_Q_DEPTH;
+ struct hisi_qp *qp;
- ret = pci_request_mem_regions(pdev, qm->dev_name);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to request mem regions!\n");
- goto err_disable_pcidev;
- }
+ qp = &qm->qp_array[id];
+ qp->qdma.va = dma_alloc_coherent(dev, dma_size, &qp->qdma.dma,
+ GFP_KERNEL);
+ if (!qp->qdma.va)
+ return -ENOMEM;
- qm->phys_base = pci_resource_start(pdev, PCI_BAR_2);
- qm->phys_size = pci_resource_len(qm->pdev, PCI_BAR_2);
- qm->io_base = ioremap(qm->phys_base, qm->phys_size);
- if (!qm->io_base) {
- ret = -EIO;
- goto err_release_mem_regions;
- }
+ qp->sqe = qp->qdma.va;
+ qp->sqe_dma = qp->qdma.dma;
+ qp->cqe = qp->qdma.va + off;
+ qp->cqe_dma = qp->qdma.dma + off;
+ qp->qdma.size = dma_size;
+ qp->qm = qm;
+ qp->qp_id = id;
- ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
- if (ret < 0)
- goto err_iounmap;
- pci_set_master(pdev);
+ return 0;
+}
- if (!qm->ops->get_irq_num) {
- ret = -EOPNOTSUPP;
- goto err_iounmap;
+static int hisi_qm_memory_init(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ size_t qp_dma_size, off = 0;
+ int i, ret = 0;
+
+#define QM_INIT_BUF(qm, type, num) do { \
+ (qm)->type = ((qm)->qdma.va + (off)); \
+ (qm)->type##_dma = (qm)->qdma.dma + (off); \
+ off += QMC_ALIGN(sizeof(struct qm_##type) * (num)); \
+} while (0)
+
+ idr_init(&qm->qp_idr);
+ qm->qdma.size = QMC_ALIGN(sizeof(struct qm_eqe) * QM_Q_DEPTH) +
+ QMC_ALIGN(sizeof(struct qm_aeqe) * QM_Q_DEPTH) +
+ QMC_ALIGN(sizeof(struct qm_sqc) * qm->qp_num) +
+ QMC_ALIGN(sizeof(struct qm_cqc) * qm->qp_num);
+ qm->qdma.va = dma_alloc_coherent(dev, qm->qdma.size, &qm->qdma.dma,
+ GFP_ATOMIC);
+ dev_dbg(dev, "allocate qm dma buf size=%zx)\n", qm->qdma.size);
+ if (!qm->qdma.va)
+ return -ENOMEM;
+
+ QM_INIT_BUF(qm, eqe, QM_Q_DEPTH);
+ QM_INIT_BUF(qm, aeqe, QM_Q_DEPTH);
+ QM_INIT_BUF(qm, sqc, qm->qp_num);
+ QM_INIT_BUF(qm, cqc, qm->qp_num);
+
+ qm->qp_array = kcalloc(qm->qp_num, sizeof(struct hisi_qp), GFP_KERNEL);
+ if (!qm->qp_array) {
+ ret = -ENOMEM;
+ goto err_alloc_qp_array;
}
- num_vec = qm->ops->get_irq_num(qm);
- ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSI);
- if (ret < 0) {
- dev_err(dev, "Failed to enable MSI vectors!\n");
- goto err_iounmap;
+
+ /* one more page for device or qp statuses */
+ qp_dma_size = qm->sqe_size * QM_Q_DEPTH +
+ sizeof(struct qm_cqe) * QM_Q_DEPTH;
+ qp_dma_size = PAGE_ALIGN(qp_dma_size);
+ for (i = 0; i < qm->qp_num; i++) {
+ ret = hisi_qp_memory_init(qm, qp_dma_size, i);
+ if (ret)
+ goto err_init_qp_mem;
+
+ dev_dbg(dev, "allocate qp dma buf size=%zx)\n", qp_dma_size);
}
- ret = qm_irq_register(qm);
- if (ret)
- goto err_free_irq_vectors;
+ return ret;
- qm->qp_in_used = 0;
- mutex_init(&qm->mailbox_lock);
- rwlock_init(&qm->qps_lock);
- INIT_WORK(&qm->work, qm_work_process);
+err_init_qp_mem:
+ hisi_qp_memory_uninit(qm, i);
+err_alloc_qp_array:
+ dma_free_coherent(dev, qm->qdma.size, qm->qdma.va, qm->qdma.dma);
- dev_dbg(dev, "init qm %s with %s\n", pdev->is_physfn ? "pf" : "vf",
- qm->use_dma_api ? "dma api" : "iommu api");
+ return ret;
+}
- return 0;
+static void hisi_qm_pre_init(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
-err_free_irq_vectors:
- pci_free_irq_vectors(pdev);
-err_iounmap:
- iounmap(qm->io_base);
-err_release_mem_regions:
- pci_release_mem_regions(pdev);
-err_disable_pcidev:
- pci_disable_device(pdev);
-err_remove_uacce:
- uacce_remove(qm->uacce);
- qm->uacce = NULL;
+ if (qm->ver == QM_HW_V1)
+ qm->ops = &qm_hw_ops_v1;
+ else
+ qm->ops = &qm_hw_ops_v2;
- return ret;
+ pci_set_drvdata(pdev, qm);
+ mutex_init(&qm->mailbox_lock);
+ init_rwsem(&qm->qps_lock);
+ qm->qp_in_used = 0;
}
-EXPORT_SYMBOL_GPL(hisi_qm_init);
/**
* hisi_qm_uninit() - Uninitialize qm.
@@ -1736,10 +2356,20 @@ void hisi_qm_uninit(struct hisi_qm *qm)
struct pci_dev *pdev = qm->pdev;
struct device *dev = &pdev->dev;
+ down_write(&qm->qps_lock);
+
+ if (!qm_avail_state(qm, QM_CLOSE)) {
+ up_write(&qm->qps_lock);
+ return;
+ }
+
uacce_remove(qm->uacce);
qm->uacce = NULL;
- if (qm->use_dma_api && qm->qdma.va) {
+ hisi_qp_memory_uninit(qm, qm->qp_num);
+ idr_destroy(&qm->qp_idr);
+
+ if (qm->qdma.va) {
hisi_qm_cache_wb(qm);
dma_free_coherent(dev, qm->qdma.size,
qm->qdma.va, qm->qdma.dma);
@@ -1751,6 +2381,8 @@ void hisi_qm_uninit(struct hisi_qm *qm)
iounmap(qm->io_base);
pci_release_mem_regions(pdev);
pci_disable_device(pdev);
+
+ up_write(&qm->qps_lock);
}
EXPORT_SYMBOL_GPL(hisi_qm_uninit);
@@ -1781,12 +2413,6 @@ int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number)
EXPORT_SYMBOL_GPL(hisi_qm_get_vft);
/**
- * hisi_qm_set_vft() - Set "virtual function table" for a qm.
- * @fun_num: Number of operated function.
- * @qm: The qm in which to set vft, alway in a PF.
- * @base: The base number of queue in vft.
- * @number: The number of queues in vft. 0 means invalid vft.
- *
* This function is alway called in PF driver, it is used to assign queues
* among PF and VFs.
*
@@ -1794,7 +2420,7 @@ EXPORT_SYMBOL_GPL(hisi_qm_get_vft);
* Assign queues A~B to VF: hisi_qm_set_vft(qm, 2, A, B - A + 1)
* (VF function number 0x2)
*/
-int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
+static int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
u32 number)
{
u32 max_q_num = qm->ctrl_qp_num;
@@ -1805,7 +2431,6 @@ int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base,
return qm_set_sqc_cqc_vft(qm, fun_num, base, number);
}
-EXPORT_SYMBOL_GPL(hisi_qm_set_vft);
static void qm_init_eq_aeq_status(struct hisi_qm *qm)
{
@@ -1872,22 +2497,10 @@ static int qm_eq_ctx_cfg(struct hisi_qm *qm)
static int __hisi_qm_start(struct hisi_qm *qm)
{
- struct pci_dev *pdev = qm->pdev;
- struct device *dev = &pdev->dev;
- size_t off = 0;
int ret;
-#define QM_INIT_BUF(qm, type, num) do { \
- (qm)->type = ((qm)->qdma.va + (off)); \
- (qm)->type##_dma = (qm)->qdma.dma + (off); \
- off += QMC_ALIGN(sizeof(struct qm_##type) * (num)); \
-} while (0)
-
WARN_ON(!qm->qdma.dma);
- if (qm->qp_num == 0)
- return -EINVAL;
-
if (qm->fun_type == QM_HW_PF) {
ret = qm_dev_mem_reset(qm);
if (ret)
@@ -1898,21 +2511,6 @@ static int __hisi_qm_start(struct hisi_qm *qm)
return ret;
}
- QM_INIT_BUF(qm, eqe, QM_Q_DEPTH);
- QM_INIT_BUF(qm, aeqe, QM_Q_DEPTH);
- QM_INIT_BUF(qm, sqc, qm->qp_num);
- QM_INIT_BUF(qm, cqc, qm->qp_num);
-
- dev_dbg(dev, "init qm buffer:\n"
- " eqe (%pK, %lx)\n"
- " aeqe (%pK, %lx)\n"
- " sqc (%pK, %lx)\n"
- " cqc (%pK, %lx)\n",
- qm->eqe, (unsigned long)qm->eqe_dma,
- qm->aeqe, (unsigned long)qm->aeqe_dma,
- qm->sqc, (unsigned long)qm->sqc_dma,
- qm->cqc, (unsigned long)qm->cqc_dma);
-
ret = qm_eq_ctx_cfg(qm);
if (ret)
return ret;
@@ -1940,43 +2538,102 @@ static int __hisi_qm_start(struct hisi_qm *qm)
int hisi_qm_start(struct hisi_qm *qm)
{
struct device *dev = &qm->pdev->dev;
+ int ret = 0;
+
+ down_write(&qm->qps_lock);
+
+ if (!qm_avail_state(qm, QM_START)) {
+ up_write(&qm->qps_lock);
+ return -EPERM;
+ }
dev_dbg(dev, "qm start with %d queue pairs\n", qm->qp_num);
if (!qm->qp_num) {
dev_err(dev, "qp_num should not be 0\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_unlock;
}
- if (!qm->qp_bitmap) {
- qm->qp_bitmap = devm_kcalloc(dev, BITS_TO_LONGS(qm->qp_num),
- sizeof(long), GFP_KERNEL);
- qm->qp_array = devm_kcalloc(dev, qm->qp_num,
- sizeof(struct hisi_qp *),
- GFP_KERNEL);
- if (!qm->qp_bitmap || !qm->qp_array)
- return -ENOMEM;
+ ret = __hisi_qm_start(qm);
+ if (!ret)
+ atomic_set(&qm->status.flags, QM_START);
+
+err_unlock:
+ up_write(&qm->qps_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_start);
+
+static int qm_restart(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct hisi_qp *qp;
+ int ret, i;
+
+ ret = hisi_qm_start(qm);
+ if (ret < 0)
+ return ret;
+
+ down_write(&qm->qps_lock);
+ for (i = 0; i < qm->qp_num; i++) {
+ qp = &qm->qp_array[i];
+ if (atomic_read(&qp->qp_status.flags) == QP_STOP &&
+ qp->is_resetting == true) {
+ ret = qm_start_qp_nolock(qp, 0);
+ if (ret < 0) {
+ dev_err(dev, "Failed to start qp%d!\n", i);
+
+ up_write(&qm->qps_lock);
+ return ret;
+ }
+ qp->is_resetting = false;
+ }
}
+ up_write(&qm->qps_lock);
- if (!qm->use_dma_api) {
- dev_dbg(&qm->pdev->dev, "qm delay start\n");
- return 0;
- } else if (!qm->qdma.va) {
- qm->qdma.size = QMC_ALIGN(sizeof(struct qm_eqe) * QM_Q_DEPTH) +
- QMC_ALIGN(sizeof(struct qm_aeqe) * QM_Q_DEPTH) +
- QMC_ALIGN(sizeof(struct qm_sqc) * qm->qp_num) +
- QMC_ALIGN(sizeof(struct qm_cqc) * qm->qp_num);
- qm->qdma.va = dma_alloc_coherent(dev, qm->qdma.size,
- &qm->qdma.dma, GFP_KERNEL);
- dev_dbg(dev, "allocate qm dma buf(va=%pK, dma=%pad, size=%zx)\n",
- qm->qdma.va, &qm->qdma.dma, qm->qdma.size);
- if (!qm->qdma.va)
- return -ENOMEM;
+ return 0;
+}
+
+/* Stop started qps in reset flow */
+static int qm_stop_started_qp(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ struct hisi_qp *qp;
+ int i, ret;
+
+ for (i = 0; i < qm->qp_num; i++) {
+ qp = &qm->qp_array[i];
+ if (qp && atomic_read(&qp->qp_status.flags) == QP_START) {
+ qp->is_resetting = true;
+ ret = qm_stop_qp_nolock(qp);
+ if (ret < 0) {
+ dev_err(dev, "Failed to stop qp%d!\n", i);
+ return ret;
+ }
+ }
}
- return __hisi_qm_start(qm);
+ return 0;
+}
+
+/**
+ * This function clears all queues memory in a qm. Reset of accelerator can
+ * use this to clear queues.
+ */
+static void qm_clear_queues(struct hisi_qm *qm)
+{
+ struct hisi_qp *qp;
+ int i;
+
+ for (i = 0; i < qm->qp_num; i++) {
+ qp = &qm->qp_array[i];
+ if (qp->is_resetting)
+ memset(qp->qdma.va, 0, qp->qdma.size);
+ }
+
+ memset(qm->qdma.va, 0, qm->qdma.size);
}
-EXPORT_SYMBOL_GPL(hisi_qm_start);
/**
* hisi_qm_stop() - Stop a qm.
@@ -1988,43 +2645,98 @@ EXPORT_SYMBOL_GPL(hisi_qm_start);
*/
int hisi_qm_stop(struct hisi_qm *qm)
{
- struct device *dev;
- struct hisi_qp *qp;
- int ret = 0, i;
+ struct device *dev = &qm->pdev->dev;
+ int ret = 0;
- if (!qm || !qm->pdev) {
- WARN_ON(1);
- return -EINVAL;
+ down_write(&qm->qps_lock);
+
+ if (!qm_avail_state(qm, QM_STOP)) {
+ ret = -EPERM;
+ goto err_unlock;
}
- dev = &qm->pdev->dev;
+ if (qm->status.stop_reason == QM_SOFT_RESET ||
+ qm->status.stop_reason == QM_FLR) {
+ ret = qm_stop_started_qp(qm);
+ if (ret < 0) {
+ dev_err(dev, "Failed to stop started qp!\n");
+ goto err_unlock;
+ }
+ }
/* Mask eq and aeq irq */
writel(0x1, qm->io_base + QM_VF_EQ_INT_MASK);
writel(0x1, qm->io_base + QM_VF_AEQ_INT_MASK);
- /* Stop all qps belong to this qm */
- for (i = 0; i < qm->qp_num; i++) {
- qp = qm->qp_array[i];
- if (qp) {
- ret = hisi_qm_stop_qp(qp);
- if (ret < 0) {
- dev_err(dev, "Failed to stop qp%d!\n", i);
- return -EBUSY;
- }
- }
- }
-
if (qm->fun_type == QM_HW_PF) {
ret = hisi_qm_set_vft(qm, 0, 0, 0);
- if (ret < 0)
+ if (ret < 0) {
dev_err(dev, "Failed to set vft!\n");
+ ret = -EBUSY;
+ goto err_unlock;
+ }
}
+ qm_clear_queues(qm);
+ atomic_set(&qm->status.flags, QM_STOP);
+
+err_unlock:
+ up_write(&qm->qps_lock);
return ret;
}
EXPORT_SYMBOL_GPL(hisi_qm_stop);
+static ssize_t qm_status_read(struct file *filp, char __user *buffer,
+ size_t count, loff_t *pos)
+{
+ struct hisi_qm *qm = filp->private_data;
+ char buf[QM_DBG_READ_LEN];
+ int val, cp_len, len;
+
+ if (*pos)
+ return 0;
+
+ if (count < QM_DBG_READ_LEN)
+ return -ENOSPC;
+
+ val = atomic_read(&qm->status.flags);
+ len = snprintf(buf, QM_DBG_READ_LEN, "%s\n", qm_s[val]);
+ if (!len)
+ return -EFAULT;
+
+ cp_len = copy_to_user(buffer, buf, len);
+ if (cp_len)
+ return -EFAULT;
+
+ return (*pos = len);
+}
+
+static const struct file_operations qm_status_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = qm_status_read,
+};
+
+static int qm_debugfs_atomic64_set(void *data, u64 val)
+{
+ if (val)
+ return -EINVAL;
+
+ atomic64_set((atomic64_t *)data, 0);
+
+ return 0;
+}
+
+static int qm_debugfs_atomic64_get(void *data, u64 *val)
+{
+ *val = atomic64_read((atomic64_t *)data);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(qm_atomic64_ops, qm_debugfs_atomic64_get,
+ qm_debugfs_atomic64_set, "%llu\n");
+
/**
* hisi_qm_debug_init() - Initialize qm related debugfs files.
* @qm: The qm for which we want to add debugfs files.
@@ -2033,7 +2745,9 @@ EXPORT_SYMBOL_GPL(hisi_qm_stop);
*/
int hisi_qm_debug_init(struct hisi_qm *qm)
{
+ struct qm_dfx *dfx = &qm->debug.dfx;
struct dentry *qm_d;
+ void *data;
int i, ret;
qm_d = debugfs_create_dir("qm", qm->debug.debug_root);
@@ -2047,7 +2761,20 @@ int hisi_qm_debug_init(struct hisi_qm *qm)
goto failed_to_create;
}
- debugfs_create_file("qm_regs", 0444, qm->debug.qm_d, qm, &qm_regs_fops);
+ debugfs_create_file("regs", 0444, qm->debug.qm_d, qm, &qm_regs_fops);
+
+ debugfs_create_file("cmd", 0444, qm->debug.qm_d, qm, &qm_cmd_fops);
+
+ debugfs_create_file("status", 0444, qm->debug.qm_d, qm,
+ &qm_status_fops);
+ for (i = 0; i < ARRAY_SIZE(qm_dfx_files); i++) {
+ data = (atomic64_t *)((uintptr_t)dfx + qm_dfx_files[i].offset);
+ debugfs_create_file(qm_dfx_files[i].name,
+ 0644,
+ qm_d,
+ data,
+ &qm_atomic64_ops);
+ }
return 0;
@@ -2095,8 +2822,7 @@ static void qm_hw_error_init(struct hisi_qm *qm)
return;
}
- qm->ops->hw_error_init(qm, err_info->ce, err_info->nfe,
- err_info->fe, err_info->msi);
+ qm->ops->hw_error_init(qm, err_info->ce, err_info->nfe, err_info->fe);
}
static void qm_hw_error_uninit(struct hisi_qm *qm)
@@ -2109,36 +2835,17 @@ static void qm_hw_error_uninit(struct hisi_qm *qm)
qm->ops->hw_error_uninit(qm);
}
-static pci_ers_result_t qm_hw_error_handle(struct hisi_qm *qm)
+static enum acc_err_result qm_hw_error_handle(struct hisi_qm *qm)
{
if (!qm->ops->hw_error_handle) {
dev_err(&qm->pdev->dev, "QM doesn't support hw error report!\n");
- return PCI_ERS_RESULT_NONE;
+ return ACC_ERR_NONE;
}
return qm->ops->hw_error_handle(qm);
}
/**
- * hisi_qm_get_hw_version() - Get hardware version of a qm.
- * @pdev: The device which hardware version we want to get.
- *
- * This function gets the hardware version of a qm. Return QM_HW_UNKNOWN
- * if the hardware version is not supported.
- */
-enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev)
-{
- switch (pdev->revision) {
- case QM_HW_V1:
- case QM_HW_V2:
- return pdev->revision;
- default:
- return QM_HW_UNKNOWN;
- }
-}
-EXPORT_SYMBOL_GPL(hisi_qm_get_hw_version);
-
-/**
* hisi_qm_dev_err_init() - Initialize device error configuration.
* @qm: The qm for which we want to do error initialization.
*
@@ -2299,34 +3006,163 @@ err:
}
EXPORT_SYMBOL_GPL(hisi_qm_alloc_qps_node);
-static pci_ers_result_t qm_dev_err_handle(struct hisi_qm *qm)
+static int qm_vf_q_assign(struct hisi_qm *qm, u32 num_vfs)
+{
+ u32 remain_q_num, q_num, i, j;
+ u32 q_base = qm->qp_num;
+ int ret;
+
+ if (!num_vfs)
+ return -EINVAL;
+
+ remain_q_num = qm->ctrl_qp_num - qm->qp_num;
+
+ /* If remain queues not enough, return error. */
+ if (qm->ctrl_qp_num < qm->qp_num || remain_q_num < num_vfs)
+ return -EINVAL;
+
+ q_num = remain_q_num / num_vfs;
+ for (i = 1; i <= num_vfs; i++) {
+ if (i == num_vfs)
+ q_num += remain_q_num % num_vfs;
+ ret = hisi_qm_set_vft(qm, i, q_base, q_num);
+ if (ret) {
+ for (j = i; j > 0; j--)
+ hisi_qm_set_vft(qm, j, 0, 0);
+ return ret;
+ }
+ q_base += q_num;
+ }
+
+ return 0;
+}
+
+static int qm_clear_vft_config(struct hisi_qm *qm)
+{
+ int ret;
+ u32 i;
+
+ for (i = 1; i <= qm->vfs_num; i++) {
+ ret = hisi_qm_set_vft(qm, i, 0, 0);
+ if (ret)
+ return ret;
+ }
+ qm->vfs_num = 0;
+
+ return 0;
+}
+
+/**
+ * hisi_qm_sriov_enable() - enable virtual functions
+ * @pdev: the PCIe device
+ * @max_vfs: the number of virtual functions to enable
+ *
+ * Returns the number of enabled VFs. If there are VFs enabled already or
+ * max_vfs is more than the total number of device can be enabled, returns
+ * failure.
+ */
+int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs)
+{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+ int pre_existing_vfs, num_vfs, total_vfs, ret;
+
+ total_vfs = pci_sriov_get_totalvfs(pdev);
+ pre_existing_vfs = pci_num_vf(pdev);
+ if (pre_existing_vfs) {
+ pci_err(pdev, "%d VFs already enabled. Please disable pre-enabled VFs!\n",
+ pre_existing_vfs);
+ return 0;
+ }
+
+ num_vfs = min_t(int, max_vfs, total_vfs);
+ ret = qm_vf_q_assign(qm, num_vfs);
+ if (ret) {
+ pci_err(pdev, "Can't assign queues for VF!\n");
+ return ret;
+ }
+
+ qm->vfs_num = num_vfs;
+
+ ret = pci_enable_sriov(pdev, num_vfs);
+ if (ret) {
+ pci_err(pdev, "Can't enable VF!\n");
+ qm_clear_vft_config(qm);
+ return ret;
+ }
+
+ pci_info(pdev, "VF enabled, vfs_num(=%d)!\n", num_vfs);
+
+ return num_vfs;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_sriov_enable);
+
+/**
+ * hisi_qm_sriov_disable - disable virtual functions
+ * @pdev: the PCI device
+ *
+ * Return failure if there are VFs assigned already.
+ */
+int hisi_qm_sriov_disable(struct pci_dev *pdev)
+{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+
+ if (pci_vfs_assigned(pdev)) {
+ pci_err(pdev, "Failed to disable VFs as VFs are assigned!\n");
+ return -EPERM;
+ }
+
+ /* remove in hpre_pci_driver will be called to free VF resources */
+ pci_disable_sriov(pdev);
+ return qm_clear_vft_config(qm);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_sriov_disable);
+
+/**
+ * hisi_qm_sriov_configure - configure the number of VFs
+ * @pdev: The PCI device
+ * @num_vfs: The number of VFs need enabled
+ *
+ * Enable SR-IOV according to num_vfs, 0 means disable.
+ */
+int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+ if (num_vfs == 0)
+ return hisi_qm_sriov_disable(pdev);
+ else
+ return hisi_qm_sriov_enable(pdev, num_vfs);
+}
+EXPORT_SYMBOL_GPL(hisi_qm_sriov_configure);
+
+static enum acc_err_result qm_dev_err_handle(struct hisi_qm *qm)
{
u32 err_sts;
if (!qm->err_ini->get_dev_hw_err_status) {
dev_err(&qm->pdev->dev, "Device doesn't support get hw error status!\n");
- return PCI_ERS_RESULT_NONE;
+ return ACC_ERR_NONE;
}
/* get device hardware error status */
err_sts = qm->err_ini->get_dev_hw_err_status(qm);
if (err_sts) {
+ if (err_sts & qm->err_ini->err_info.ecc_2bits_mask)
+ qm->err_status.is_dev_ecc_mbit = true;
+
if (!qm->err_ini->log_dev_hw_err) {
dev_err(&qm->pdev->dev, "Device doesn't support log hw error!\n");
- return PCI_ERS_RESULT_NEED_RESET;
+ return ACC_ERR_NEED_RESET;
}
qm->err_ini->log_dev_hw_err(qm, err_sts);
- return PCI_ERS_RESULT_NEED_RESET;
+ return ACC_ERR_NEED_RESET;
}
- return PCI_ERS_RESULT_RECOVERED;
+ return ACC_ERR_RECOVERED;
}
-static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
+static enum acc_err_result qm_process_dev_error(struct hisi_qm *qm)
{
- struct hisi_qm *qm = pci_get_drvdata(pdev);
- pci_ers_result_t qm_ret, dev_ret;
+ enum acc_err_result qm_ret, dev_ret;
/* log qm error */
qm_ret = qm_hw_error_handle(qm);
@@ -2334,9 +3170,9 @@ static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
/* log device error */
dev_ret = qm_dev_err_handle(qm);
- return (qm_ret == PCI_ERS_RESULT_NEED_RESET ||
- dev_ret == PCI_ERS_RESULT_NEED_RESET) ?
- PCI_ERS_RESULT_NEED_RESET : PCI_ERS_RESULT_RECOVERED;
+ return (qm_ret == ACC_ERR_NEED_RESET ||
+ dev_ret == ACC_ERR_NEED_RESET) ?
+ ACC_ERR_NEED_RESET : ACC_ERR_RECOVERED;
}
/**
@@ -2350,6 +3186,9 @@ static pci_ers_result_t qm_process_dev_error(struct pci_dev *pdev)
pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
pci_channel_state_t state)
{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+ enum acc_err_result ret;
+
if (pdev->is_virtfn)
return PCI_ERS_RESULT_NONE;
@@ -2357,10 +3196,756 @@ pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
if (state == pci_channel_io_perm_failure)
return PCI_ERS_RESULT_DISCONNECT;
- return qm_process_dev_error(pdev);
+ ret = qm_process_dev_error(qm);
+ if (ret == ACC_ERR_NEED_RESET)
+ return PCI_ERS_RESULT_NEED_RESET;
+
+ return PCI_ERS_RESULT_RECOVERED;
}
EXPORT_SYMBOL_GPL(hisi_qm_dev_err_detected);
+static int qm_get_hw_error_status(struct hisi_qm *qm)
+{
+ return readl(qm->io_base + QM_ABNORMAL_INT_STATUS);
+}
+
+static int qm_check_req_recv(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+ u32 val;
+
+ writel(ACC_VENDOR_ID_VALUE, qm->io_base + QM_PEH_VENDOR_ID);
+ ret = readl_relaxed_poll_timeout(qm->io_base + QM_PEH_VENDOR_ID, val,
+ (val == ACC_VENDOR_ID_VALUE),
+ POLL_PERIOD, POLL_TIMEOUT);
+ if (ret) {
+ dev_err(&pdev->dev, "Fails to read QM reg!\n");
+ return ret;
+ }
+
+ writel(PCI_VENDOR_ID_HUAWEI, qm->io_base + QM_PEH_VENDOR_ID);
+ ret = readl_relaxed_poll_timeout(qm->io_base + QM_PEH_VENDOR_ID, val,
+ (val == PCI_VENDOR_ID_HUAWEI),
+ POLL_PERIOD, POLL_TIMEOUT);
+ if (ret)
+ dev_err(&pdev->dev, "Fails to read QM reg in the second time!\n");
+
+ return ret;
+}
+
+static int qm_set_pf_mse(struct hisi_qm *qm, bool set)
+{
+ struct pci_dev *pdev = qm->pdev;
+ u16 cmd;
+ int i;
+
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if (set)
+ cmd |= PCI_COMMAND_MEMORY;
+ else
+ cmd &= ~PCI_COMMAND_MEMORY;
+
+ pci_write_config_word(pdev, PCI_COMMAND, cmd);
+ for (i = 0; i < MAX_WAIT_COUNTS; i++) {
+ pci_read_config_word(pdev, PCI_COMMAND, &cmd);
+ if (set == ((cmd & PCI_COMMAND_MEMORY) >> 1))
+ return 0;
+
+ udelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int qm_set_vf_mse(struct hisi_qm *qm, bool set)
+{
+ struct pci_dev *pdev = qm->pdev;
+ u16 sriov_ctrl;
+ int pos;
+ int i;
+
+ pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
+ pci_read_config_word(pdev, pos + PCI_SRIOV_CTRL, &sriov_ctrl);
+ if (set)
+ sriov_ctrl |= PCI_SRIOV_CTRL_MSE;
+ else
+ sriov_ctrl &= ~PCI_SRIOV_CTRL_MSE;
+ pci_write_config_word(pdev, pos + PCI_SRIOV_CTRL, sriov_ctrl);
+
+ for (i = 0; i < MAX_WAIT_COUNTS; i++) {
+ pci_read_config_word(pdev, pos + PCI_SRIOV_CTRL, &sriov_ctrl);
+ if (set == (sriov_ctrl & PCI_SRIOV_CTRL_MSE) >>
+ ACC_PEH_SRIOV_CTRL_VF_MSE_SHIFT)
+ return 0;
+
+ udelay(1);
+ }
+
+ return -ETIMEDOUT;
+}
+
+static int qm_set_msi(struct hisi_qm *qm, bool set)
+{
+ struct pci_dev *pdev = qm->pdev;
+
+ if (set) {
+ pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_MASK_64,
+ 0);
+ } else {
+ pci_write_config_dword(pdev, pdev->msi_cap + PCI_MSI_MASK_64,
+ ACC_PEH_MSI_DISABLE);
+ if (qm->err_status.is_qm_ecc_mbit ||
+ qm->err_status.is_dev_ecc_mbit)
+ return 0;
+
+ mdelay(1);
+ if (readl(qm->io_base + QM_PEH_DFX_INFO0))
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int qm_vf_reset_prepare(struct hisi_qm *qm)
+{
+ struct hisi_qm_list *qm_list = qm->qm_list;
+ int stop_reason = qm->status.stop_reason;
+ struct pci_dev *pdev = qm->pdev;
+ struct pci_dev *virtfn;
+ struct hisi_qm *vf_qm;
+ int ret = 0;
+
+ mutex_lock(&qm_list->lock);
+ list_for_each_entry(vf_qm, &qm_list->list, list) {
+ virtfn = vf_qm->pdev;
+ if (virtfn == pdev)
+ continue;
+
+ if (pci_physfn(virtfn) == pdev) {
+ vf_qm->status.stop_reason = stop_reason;
+ ret = hisi_qm_stop(vf_qm);
+ if (ret)
+ goto stop_fail;
+ }
+ }
+
+stop_fail:
+ mutex_unlock(&qm_list->lock);
+ return ret;
+}
+
+static int qm_reset_prepare_ready(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ struct hisi_qm *pf_qm = pci_get_drvdata(pci_physfn(pdev));
+ int delay = 0;
+
+ /* All reset requests need to be queued for processing */
+ while (test_and_set_bit(QM_DEV_RESET_FLAG, &pf_qm->reset_flag)) {
+ msleep(++delay);
+ if (delay > QM_RESET_WAIT_TIMEOUT)
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static int qm_controller_reset_prepare(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+
+ ret = qm_reset_prepare_ready(qm);
+ if (ret) {
+ pci_err(pdev, "Controller reset not ready!\n");
+ return ret;
+ }
+
+ if (qm->vfs_num) {
+ ret = qm_vf_reset_prepare(qm);
+ if (ret) {
+ pci_err(pdev, "Fails to stop VFs!\n");
+ return ret;
+ }
+ }
+
+ qm->status.stop_reason = QM_SOFT_RESET;
+ ret = hisi_qm_stop(qm);
+ if (ret) {
+ pci_err(pdev, "Fails to stop QM!\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void qm_dev_ecc_mbit_handle(struct hisi_qm *qm)
+{
+ u32 nfe_enb = 0;
+
+ if (!qm->err_status.is_dev_ecc_mbit &&
+ qm->err_status.is_qm_ecc_mbit &&
+ qm->err_ini->close_axi_master_ooo) {
+
+ qm->err_ini->close_axi_master_ooo(qm);
+
+ } else if (qm->err_status.is_dev_ecc_mbit &&
+ !qm->err_status.is_qm_ecc_mbit &&
+ !qm->err_ini->close_axi_master_ooo) {
+
+ nfe_enb = readl(qm->io_base + QM_RAS_NFE_ENABLE);
+ writel(nfe_enb & QM_RAS_NFE_MBIT_DISABLE,
+ qm->io_base + QM_RAS_NFE_ENABLE);
+ writel(QM_ECC_MBIT, qm->io_base + QM_ABNORMAL_INT_SET);
+ }
+}
+
+static int qm_soft_reset(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+ u32 val;
+
+ /* Ensure all doorbells and mailboxes received by QM */
+ ret = qm_check_req_recv(qm);
+ if (ret)
+ return ret;
+
+ if (qm->vfs_num) {
+ ret = qm_set_vf_mse(qm, false);
+ if (ret) {
+ pci_err(pdev, "Fails to disable vf MSE bit.\n");
+ return ret;
+ }
+ }
+
+ ret = qm_set_msi(qm, false);
+ if (ret) {
+ pci_err(pdev, "Fails to disable PEH MSI bit.\n");
+ return ret;
+ }
+
+ qm_dev_ecc_mbit_handle(qm);
+
+ /* OOO register set and check */
+ writel(ACC_MASTER_GLOBAL_CTRL_SHUTDOWN,
+ qm->io_base + ACC_MASTER_GLOBAL_CTRL);
+
+ /* If bus lock, reset chip */
+ ret = readl_relaxed_poll_timeout(qm->io_base + ACC_MASTER_TRANS_RETURN,
+ val,
+ (val == ACC_MASTER_TRANS_RETURN_RW),
+ POLL_PERIOD, POLL_TIMEOUT);
+ if (ret) {
+ pci_emerg(pdev, "Bus lock! Please reset system.\n");
+ return ret;
+ }
+
+ ret = qm_set_pf_mse(qm, false);
+ if (ret) {
+ pci_err(pdev, "Fails to disable pf MSE bit.\n");
+ return ret;
+ }
+
+ /* The reset related sub-control registers are not in PCI BAR */
+ if (ACPI_HANDLE(&pdev->dev)) {
+ unsigned long long value = 0;
+ acpi_status s;
+
+ s = acpi_evaluate_integer(ACPI_HANDLE(&pdev->dev),
+ qm->err_ini->err_info.acpi_rst,
+ NULL, &value);
+ if (ACPI_FAILURE(s)) {
+ pci_err(pdev, "NO controller reset method!\n");
+ return -EIO;
+ }
+
+ if (value) {
+ pci_err(pdev, "Reset step %llu failed!\n", value);
+ return -EIO;
+ }
+ } else {
+ pci_err(pdev, "No reset method!\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int qm_vf_reset_done(struct hisi_qm *qm)
+{
+ struct hisi_qm_list *qm_list = qm->qm_list;
+ struct pci_dev *pdev = qm->pdev;
+ struct pci_dev *virtfn;
+ struct hisi_qm *vf_qm;
+ int ret = 0;
+
+ mutex_lock(&qm_list->lock);
+ list_for_each_entry(vf_qm, &qm_list->list, list) {
+ virtfn = vf_qm->pdev;
+ if (virtfn == pdev)
+ continue;
+
+ if (pci_physfn(virtfn) == pdev) {
+ ret = qm_restart(vf_qm);
+ if (ret)
+ goto restart_fail;
+ }
+ }
+
+restart_fail:
+ mutex_unlock(&qm_list->lock);
+ return ret;
+}
+
+static int qm_get_dev_err_status(struct hisi_qm *qm)
+{
+ return qm->err_ini->get_dev_hw_err_status(qm);
+}
+
+static int qm_dev_hw_init(struct hisi_qm *qm)
+{
+ return qm->err_ini->hw_init(qm);
+}
+
+static void qm_restart_prepare(struct hisi_qm *qm)
+{
+ u32 value;
+
+ if (!qm->err_status.is_qm_ecc_mbit &&
+ !qm->err_status.is_dev_ecc_mbit)
+ return;
+
+ /* temporarily close the OOO port used for PEH to write out MSI */
+ value = readl(qm->io_base + ACC_AM_CFG_PORT_WR_EN);
+ writel(value & ~qm->err_ini->err_info.msi_wr_port,
+ qm->io_base + ACC_AM_CFG_PORT_WR_EN);
+
+ /* clear dev ecc 2bit error source if having */
+ value = qm_get_dev_err_status(qm) &
+ qm->err_ini->err_info.ecc_2bits_mask;
+ if (value && qm->err_ini->clear_dev_hw_err_status)
+ qm->err_ini->clear_dev_hw_err_status(qm, value);
+
+ /* clear QM ecc mbit error source */
+ writel(QM_ECC_MBIT, qm->io_base + QM_ABNORMAL_INT_SOURCE);
+
+ /* clear AM Reorder Buffer ecc mbit source */
+ writel(ACC_ROB_ECC_ERR_MULTPL, qm->io_base + ACC_AM_ROB_ECC_INT_STS);
+
+ if (qm->err_ini->open_axi_master_ooo)
+ qm->err_ini->open_axi_master_ooo(qm);
+}
+
+static void qm_restart_done(struct hisi_qm *qm)
+{
+ u32 value;
+
+ if (!qm->err_status.is_qm_ecc_mbit &&
+ !qm->err_status.is_dev_ecc_mbit)
+ return;
+
+ /* open the OOO port for PEH to write out MSI */
+ value = readl(qm->io_base + ACC_AM_CFG_PORT_WR_EN);
+ value |= qm->err_ini->err_info.msi_wr_port;
+ writel(value, qm->io_base + ACC_AM_CFG_PORT_WR_EN);
+
+ qm->err_status.is_qm_ecc_mbit = false;
+ qm->err_status.is_dev_ecc_mbit = false;
+}
+
+static int qm_controller_reset_done(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+
+ ret = qm_set_msi(qm, true);
+ if (ret) {
+ pci_err(pdev, "Fails to enable PEH MSI bit!\n");
+ return ret;
+ }
+
+ ret = qm_set_pf_mse(qm, true);
+ if (ret) {
+ pci_err(pdev, "Fails to enable pf MSE bit!\n");
+ return ret;
+ }
+
+ if (qm->vfs_num) {
+ ret = qm_set_vf_mse(qm, true);
+ if (ret) {
+ pci_err(pdev, "Fails to enable vf MSE bit!\n");
+ return ret;
+ }
+ }
+
+ ret = qm_dev_hw_init(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to init device\n");
+ return ret;
+ }
+
+ qm_restart_prepare(qm);
+
+ ret = qm_restart(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start QM!\n");
+ return ret;
+ }
+
+ if (qm->vfs_num) {
+ ret = qm_vf_q_assign(qm, qm->vfs_num);
+ if (ret) {
+ pci_err(pdev, "Failed to assign queue!\n");
+ return ret;
+ }
+ }
+
+ ret = qm_vf_reset_done(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start VFs!\n");
+ return -EPERM;
+ }
+
+ hisi_qm_dev_err_init(qm);
+ qm_restart_done(qm);
+
+ clear_bit(QM_DEV_RESET_FLAG, &qm->reset_flag);
+
+ return 0;
+}
+
+static int qm_controller_reset(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+
+ pci_info(pdev, "Controller resetting...\n");
+
+ ret = qm_controller_reset_prepare(qm);
+ if (ret)
+ return ret;
+
+ ret = qm_soft_reset(qm);
+ if (ret) {
+ pci_err(pdev, "Controller reset failed (%d)\n", ret);
+ return ret;
+ }
+
+ ret = qm_controller_reset_done(qm);
+ if (ret)
+ return ret;
+
+ pci_info(pdev, "Controller reset complete\n");
+
+ return 0;
+}
+
+/**
+ * hisi_qm_dev_slot_reset() - slot reset
+ * @pdev: the PCIe device
+ *
+ * This function offers QM relate PCIe device reset interface. Drivers which
+ * use QM can use this function as slot_reset in its struct pci_error_handlers.
+ */
+pci_ers_result_t hisi_qm_dev_slot_reset(struct pci_dev *pdev)
+{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+ int ret;
+
+ if (pdev->is_virtfn)
+ return PCI_ERS_RESULT_RECOVERED;
+
+ pci_aer_clear_nonfatal_status(pdev);
+
+ /* reset pcie device controller */
+ ret = qm_controller_reset(qm);
+ if (ret) {
+ pci_err(pdev, "Controller reset failed (%d)\n", ret);
+ return PCI_ERS_RESULT_DISCONNECT;
+ }
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_dev_slot_reset);
+
+/* check the interrupt is ecc-mbit error or not */
+static int qm_check_dev_error(struct hisi_qm *qm)
+{
+ int ret;
+
+ if (qm->fun_type == QM_HW_VF)
+ return 0;
+
+ ret = qm_get_hw_error_status(qm) & QM_ECC_MBIT;
+ if (ret)
+ return ret;
+
+ return (qm_get_dev_err_status(qm) &
+ qm->err_ini->err_info.ecc_2bits_mask);
+}
+
+void hisi_qm_reset_prepare(struct pci_dev *pdev)
+{
+ struct hisi_qm *pf_qm = pci_get_drvdata(pci_physfn(pdev));
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+ u32 delay = 0;
+ int ret;
+
+ hisi_qm_dev_err_uninit(pf_qm);
+
+ /*
+ * Check whether there is an ECC mbit error, If it occurs, need to
+ * wait for soft reset to fix it.
+ */
+ while (qm_check_dev_error(pf_qm)) {
+ msleep(++delay);
+ if (delay > QM_RESET_WAIT_TIMEOUT)
+ return;
+ }
+
+ ret = qm_reset_prepare_ready(qm);
+ if (ret) {
+ pci_err(pdev, "FLR not ready!\n");
+ return;
+ }
+
+ if (qm->vfs_num) {
+ ret = qm_vf_reset_prepare(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to prepare reset, ret = %d.\n",
+ ret);
+ return;
+ }
+ }
+
+ ret = hisi_qm_stop(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to stop QM, ret = %d.\n", ret);
+ return;
+ }
+
+ pci_info(pdev, "FLR resetting...\n");
+}
+EXPORT_SYMBOL_GPL(hisi_qm_reset_prepare);
+
+static bool qm_flr_reset_complete(struct pci_dev *pdev)
+{
+ struct pci_dev *pf_pdev = pci_physfn(pdev);
+ struct hisi_qm *qm = pci_get_drvdata(pf_pdev);
+ u32 id;
+
+ pci_read_config_dword(qm->pdev, PCI_COMMAND, &id);
+ if (id == QM_PCI_COMMAND_INVALID) {
+ pci_err(pdev, "Device can not be used!\n");
+ return false;
+ }
+
+ clear_bit(QM_DEV_RESET_FLAG, &qm->reset_flag);
+
+ return true;
+}
+
+void hisi_qm_reset_done(struct pci_dev *pdev)
+{
+ struct hisi_qm *pf_qm = pci_get_drvdata(pci_physfn(pdev));
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+ int ret;
+
+ hisi_qm_dev_err_init(pf_qm);
+
+ ret = qm_restart(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start QM, ret = %d.\n", ret);
+ goto flr_done;
+ }
+
+ if (qm->fun_type == QM_HW_PF) {
+ ret = qm_dev_hw_init(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to init PF, ret = %d.\n", ret);
+ goto flr_done;
+ }
+
+ if (!qm->vfs_num)
+ goto flr_done;
+
+ ret = qm_vf_q_assign(qm, qm->vfs_num);
+ if (ret) {
+ pci_err(pdev, "Failed to assign VFs, ret = %d.\n", ret);
+ goto flr_done;
+ }
+
+ ret = qm_vf_reset_done(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start VFs, ret = %d.\n", ret);
+ goto flr_done;
+ }
+ }
+
+flr_done:
+ if (qm_flr_reset_complete(pdev))
+ pci_info(pdev, "FLR reset complete\n");
+}
+EXPORT_SYMBOL_GPL(hisi_qm_reset_done);
+
+static irqreturn_t qm_abnormal_irq(int irq, void *data)
+{
+ struct hisi_qm *qm = data;
+ enum acc_err_result ret;
+
+ atomic64_inc(&qm->debug.dfx.abnormal_irq_cnt);
+ ret = qm_process_dev_error(qm);
+ if (ret == ACC_ERR_NEED_RESET)
+ schedule_work(&qm->rst_work);
+
+ return IRQ_HANDLED;
+}
+
+static int qm_irq_register(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ int ret;
+
+ ret = request_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR),
+ qm_irq, IRQF_SHARED, qm->dev_name, qm);
+ if (ret)
+ return ret;
+
+ if (qm->ver != QM_HW_V1) {
+ ret = request_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR),
+ qm_aeq_irq, IRQF_SHARED, qm->dev_name, qm);
+ if (ret)
+ goto err_aeq_irq;
+
+ if (qm->fun_type == QM_HW_PF) {
+ ret = request_irq(pci_irq_vector(pdev,
+ QM_ABNORMAL_EVENT_IRQ_VECTOR),
+ qm_abnormal_irq, IRQF_SHARED,
+ qm->dev_name, qm);
+ if (ret)
+ goto err_abonormal_irq;
+ }
+ }
+
+ return 0;
+
+err_abonormal_irq:
+ free_irq(pci_irq_vector(pdev, QM_AEQ_EVENT_IRQ_VECTOR), qm);
+err_aeq_irq:
+ free_irq(pci_irq_vector(pdev, QM_EQ_EVENT_IRQ_VECTOR), qm);
+ return ret;
+}
+
+static void hisi_qm_controller_reset(struct work_struct *rst_work)
+{
+ struct hisi_qm *qm = container_of(rst_work, struct hisi_qm, rst_work);
+ int ret;
+
+ /* reset pcie device controller */
+ ret = qm_controller_reset(qm);
+ if (ret)
+ dev_err(&qm->pdev->dev, "controller reset failed (%d)\n", ret);
+
+}
+
+/**
+ * hisi_qm_init() - Initialize configures about qm.
+ * @qm: The qm needing init.
+ *
+ * This function init qm, then we can call hisi_qm_start to put qm into work.
+ */
+int hisi_qm_init(struct hisi_qm *qm)
+{
+ struct pci_dev *pdev = qm->pdev;
+ struct device *dev = &pdev->dev;
+ unsigned int num_vec;
+ int ret;
+
+ hisi_qm_pre_init(qm);
+
+ ret = qm_alloc_uacce(qm);
+ if (ret < 0)
+ dev_warn(&pdev->dev, "fail to alloc uacce (%d)\n", ret);
+
+ ret = pci_enable_device_mem(pdev);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to enable device mem!\n");
+ goto err_remove_uacce;
+ }
+
+ ret = pci_request_mem_regions(pdev, qm->dev_name);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to request mem regions!\n");
+ goto err_disable_pcidev;
+ }
+
+ qm->phys_base = pci_resource_start(pdev, PCI_BAR_2);
+ qm->phys_size = pci_resource_len(qm->pdev, PCI_BAR_2);
+ qm->io_base = ioremap(qm->phys_base, qm->phys_size);
+ if (!qm->io_base) {
+ ret = -EIO;
+ goto err_release_mem_regions;
+ }
+
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+ if (ret < 0)
+ goto err_iounmap;
+ pci_set_master(pdev);
+
+ if (!qm->ops->get_irq_num) {
+ ret = -EOPNOTSUPP;
+ goto err_iounmap;
+ }
+ num_vec = qm->ops->get_irq_num(qm);
+ ret = pci_alloc_irq_vectors(pdev, num_vec, num_vec, PCI_IRQ_MSI);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable MSI vectors!\n");
+ goto err_iounmap;
+ }
+
+ ret = qm_irq_register(qm);
+ if (ret)
+ goto err_free_irq_vectors;
+
+ if (qm->fun_type == QM_HW_VF && qm->ver != QM_HW_V1) {
+ /* v2 starts to support get vft by mailbox */
+ ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
+ if (ret)
+ goto err_irq_unregister;
+ }
+
+ ret = hisi_qm_memory_init(qm);
+ if (ret)
+ goto err_irq_unregister;
+
+ INIT_WORK(&qm->work, qm_work_process);
+ if (qm->fun_type == QM_HW_PF)
+ INIT_WORK(&qm->rst_work, hisi_qm_controller_reset);
+
+ atomic_set(&qm->status.flags, QM_INIT);
+
+ return 0;
+
+err_irq_unregister:
+ qm_irq_unregister(qm);
+err_free_irq_vectors:
+ pci_free_irq_vectors(pdev);
+err_iounmap:
+ iounmap(qm->io_base);
+err_release_mem_regions:
+ pci_release_mem_regions(pdev);
+err_disable_pcidev:
+ pci_disable_device(pdev);
+err_remove_uacce:
+ uacce_remove(qm->uacce);
+ qm->uacce = NULL;
+ return ret;
+}
+EXPORT_SYMBOL_GPL(hisi_qm_init);
+
+
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Zhou Wang <wangzhou1@hisilicon.com>");
MODULE_DESCRIPTION("HiSilicon Accelerator queue manager driver");
diff --git a/drivers/crypto/hisilicon/qm.h b/drivers/crypto/hisilicon/qm.h
index ec5b6f48db6c..0a351de8d838 100644
--- a/drivers/crypto/hisilicon/qm.h
+++ b/drivers/crypto/hisilicon/qm.h
@@ -8,6 +8,10 @@
#include <linux/module.h>
#include <linux/pci.h>
+#define QM_QNUM_V1 4096
+#define QM_QNUM_V2 1024
+#define QM_MAX_VFS_NUM_V2 63
+
/* qm user domain */
#define QM_ARUSER_M_CFG_1 0x100088
#define AXUSER_SNOOP_ENABLE BIT(30)
@@ -70,7 +74,7 @@
#define QM_BASE_NFE (QM_AXI_RRESP | QM_AXI_BRESP | QM_ECC_MBIT | \
QM_ACC_GET_TASK_TIMEOUT | QM_DB_TIMEOUT | \
- QM_OF_FIFO_OF)
+ QM_OF_FIFO_OF | QM_DB_RANDOM_INVALID)
#define QM_BASE_CE QM_ECC_1BIT
#define QM_Q_DEPTH 1024
@@ -80,14 +84,31 @@
/* page number for queue file region */
#define QM_DOORBELL_PAGE_NR 1
+enum qm_stop_reason {
+ QM_NORMAL,
+ QM_SOFT_RESET,
+ QM_FLR,
+};
+
+enum qm_state {
+ QM_INIT = 0,
+ QM_START,
+ QM_CLOSE,
+ QM_STOP,
+};
+
enum qp_state {
+ QP_INIT = 1,
+ QP_START,
QP_STOP,
+ QP_CLOSE,
};
enum qm_hw_ver {
QM_HW_UNKNOWN = -1,
QM_HW_V1 = 0x20,
QM_HW_V2 = 0x21,
+ QM_HW_V3 = 0x30,
};
enum qm_fun_type {
@@ -101,6 +122,14 @@ enum qm_debug_file {
DEBUG_FILE_NUM,
};
+struct qm_dfx {
+ atomic64_t err_irq_cnt;
+ atomic64_t aeq_irq_cnt;
+ atomic64_t abnormal_irq_cnt;
+ atomic64_t create_qp_err_cnt;
+ atomic64_t mb_err_cnt;
+};
+
struct debugfs_file {
enum qm_debug_file index;
struct mutex lock;
@@ -109,6 +138,9 @@ struct debugfs_file {
struct qm_debug {
u32 curr_qm_qp_num;
+ u32 sqe_mask_offset;
+ u32 sqe_mask_len;
+ struct qm_dfx dfx;
struct dentry *debug_root;
struct dentry *qm_d;
struct debugfs_file files[DEBUG_FILE_NUM];
@@ -125,22 +157,34 @@ struct hisi_qm_status {
bool eqc_phase;
u32 aeq_head;
bool aeqc_phase;
- unsigned long flags;
+ atomic_t flags;
+ int stop_reason;
};
struct hisi_qm;
struct hisi_qm_err_info {
+ char *acpi_rst;
+ u32 msi_wr_port;
+ u32 ecc_2bits_mask;
u32 ce;
u32 nfe;
u32 fe;
- u32 msi;
+};
+
+struct hisi_qm_err_status {
+ u32 is_qm_ecc_mbit;
+ u32 is_dev_ecc_mbit;
};
struct hisi_qm_err_ini {
+ int (*hw_init)(struct hisi_qm *qm);
void (*hw_err_enable)(struct hisi_qm *qm);
void (*hw_err_disable)(struct hisi_qm *qm);
u32 (*get_dev_hw_err_status)(struct hisi_qm *qm);
+ void (*clear_dev_hw_err_status)(struct hisi_qm *qm, u32 err_sts);
+ void (*open_axi_master_ooo)(struct hisi_qm *qm);
+ void (*close_axi_master_ooo)(struct hisi_qm *qm);
void (*log_dev_hw_err)(struct hisi_qm *qm, u32 err_sts);
struct hisi_qm_err_info err_info;
};
@@ -161,7 +205,9 @@ struct hisi_qm {
u32 qp_num;
u32 qp_in_used;
u32 ctrl_qp_num;
+ u32 vfs_num;
struct list_head list;
+ struct hisi_qm_list *qm_list;
struct qm_dma qdma;
struct qm_sqc *sqc;
@@ -175,10 +221,12 @@ struct hisi_qm {
struct hisi_qm_status status;
const struct hisi_qm_err_ini *err_ini;
+ struct hisi_qm_err_status err_status;
+ unsigned long reset_flag;
- rwlock_t qps_lock;
- unsigned long *qp_bitmap;
- struct hisi_qp **qp_array;
+ struct rw_semaphore qps_lock;
+ struct idr qp_idr;
+ struct hisi_qp *qp_array;
struct mutex mailbox_lock;
@@ -187,13 +235,12 @@ struct hisi_qm {
struct qm_debug debug;
u32 error_mask;
- u32 msi_mask;
struct workqueue_struct *wq;
struct work_struct work;
+ struct work_struct rst_work;
const char *algs;
- bool use_dma_api;
bool use_sva;
resource_size_t phys_base;
resource_size_t phys_size;
@@ -205,7 +252,7 @@ struct hisi_qp_status {
u16 sq_tail;
u16 cq_head;
bool cqc_phase;
- unsigned long flags;
+ atomic_t flags;
};
struct hisi_qp_ops {
@@ -230,10 +277,58 @@ struct hisi_qp {
void (*event_cb)(struct hisi_qp *qp);
struct hisi_qm *qm;
+ bool is_resetting;
u16 pasid;
struct uacce_queue *uacce_q;
};
+static inline int q_num_set(const char *val, const struct kernel_param *kp,
+ unsigned int device)
+{
+ struct pci_dev *pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
+ device, NULL);
+ u32 n, q_num;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ if (!pdev) {
+ q_num = min_t(u32, QM_QNUM_V1, QM_QNUM_V2);
+ pr_info("No device found currently, suppose queue number is %d\n",
+ q_num);
+ } else {
+ if (pdev->revision == QM_HW_V1)
+ q_num = QM_QNUM_V1;
+ else
+ q_num = QM_QNUM_V2;
+ }
+
+ ret = kstrtou32(val, 10, &n);
+ if (ret || !n || n > q_num)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
+static inline int vfs_num_set(const char *val, const struct kernel_param *kp)
+{
+ u32 n;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = kstrtou32(val, 10, &n);
+ if (ret < 0)
+ return ret;
+
+ if (n > QM_MAX_VFS_NUM_V2)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
static inline void hisi_qm_init_list(struct hisi_qm_list *qm_list)
{
INIT_LIST_HEAD(&qm_list->list);
@@ -267,14 +362,19 @@ void hisi_qm_release_qp(struct hisi_qp *qp);
int hisi_qp_send(struct hisi_qp *qp, const void *msg);
int hisi_qm_get_free_qp_num(struct hisi_qm *qm);
int hisi_qm_get_vft(struct hisi_qm *qm, u32 *base, u32 *number);
-int hisi_qm_set_vft(struct hisi_qm *qm, u32 fun_num, u32 base, u32 number);
int hisi_qm_debug_init(struct hisi_qm *qm);
enum qm_hw_ver hisi_qm_get_hw_version(struct pci_dev *pdev);
void hisi_qm_debug_regs_clear(struct hisi_qm *qm);
+int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs);
+int hisi_qm_sriov_disable(struct pci_dev *pdev);
+int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs);
void hisi_qm_dev_err_init(struct hisi_qm *qm);
void hisi_qm_dev_err_uninit(struct hisi_qm *qm);
pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev,
pci_channel_state_t state);
+pci_ers_result_t hisi_qm_dev_slot_reset(struct pci_dev *pdev);
+void hisi_qm_reset_prepare(struct pci_dev *pdev);
+void hisi_qm_reset_done(struct pci_dev *pdev);
struct hisi_acc_sgl_pool;
struct hisi_acc_hw_sgl *hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
index 3598fa17beb2..7b64aca704d6 100644
--- a/drivers/crypto/hisilicon/sec2/sec.h
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -160,6 +160,10 @@ struct sec_debug_file {
struct sec_dfx {
atomic64_t send_cnt;
atomic64_t recv_cnt;
+ atomic64_t send_busy_cnt;
+ atomic64_t err_bd_cnt;
+ atomic64_t invalid_req_cnt;
+ atomic64_t done_flag_cnt;
};
struct sec_debug {
@@ -172,7 +176,6 @@ struct sec_dev {
struct sec_debug debug;
u32 ctx_q_num;
bool iommu_used;
- u32 num_vfs;
unsigned long status;
};
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 7f1c6a31b82f..64614a9bdf21 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -148,6 +148,7 @@ static int sec_aead_verify(struct sec_req *req)
static void sec_req_cb(struct hisi_qp *qp, void *resp)
{
struct sec_qp_ctx *qp_ctx = qp->qp_ctx;
+ struct sec_dfx *dfx = &qp_ctx->ctx->sec->debug.dfx;
struct sec_sqe *bd = resp;
struct sec_ctx *ctx;
struct sec_req *req;
@@ -157,11 +158,16 @@ static void sec_req_cb(struct hisi_qp *qp, void *resp)
type = bd->type_cipher_auth & SEC_TYPE_MASK;
if (unlikely(type != SEC_BD_TYPE2)) {
+ atomic64_inc(&dfx->err_bd_cnt);
pr_err("err bd type [%d]\n", type);
return;
}
req = qp_ctx->req_list[le16_to_cpu(bd->type2.tag)];
+ if (unlikely(!req)) {
+ atomic64_inc(&dfx->invalid_req_cnt);
+ return;
+ }
req->err_type = bd->type2.error_type;
ctx = req->ctx;
done = le16_to_cpu(bd->type2.done_flag) & SEC_DONE_MASK;
@@ -174,12 +180,13 @@ static void sec_req_cb(struct hisi_qp *qp, void *resp)
"err_type[%d],done[%d],flag[%d]\n",
req->err_type, done, flag);
err = -EIO;
+ atomic64_inc(&dfx->done_flag_cnt);
}
if (ctx->alg_type == SEC_AEAD && !req->c_req.encrypt)
err = sec_aead_verify(req);
- atomic64_inc(&ctx->sec->debug.dfx.recv_cnt);
+ atomic64_inc(&dfx->recv_cnt);
ctx->req_op->buf_unmap(ctx, req);
@@ -200,10 +207,12 @@ static int sec_bd_send(struct sec_ctx *ctx, struct sec_req *req)
return -ENOBUFS;
if (!ret) {
- if (req->fake_busy)
+ if (req->fake_busy) {
+ atomic64_inc(&ctx->sec->debug.dfx.send_busy_cnt);
ret = -EBUSY;
- else
+ } else {
ret = -EINPROGRESS;
+ }
}
return ret;
@@ -832,7 +841,6 @@ static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
struct crypto_authenc_keys *keys)
{
struct crypto_shash *hash_tfm = ctx->hash_tfm;
- SHASH_DESC_ON_STACK(shash, hash_tfm);
int blocksize, ret;
if (!keys->authkeylen) {
@@ -842,8 +850,8 @@ static int sec_aead_auth_set_key(struct sec_auth_ctx *ctx,
blocksize = crypto_shash_blocksize(hash_tfm);
if (keys->authkeylen > blocksize) {
- ret = crypto_shash_digest(shash, keys->authkey,
- keys->authkeylen, ctx->a_key);
+ ret = crypto_shash_tfm_digest(hash_tfm, keys->authkey,
+ keys->authkeylen, ctx->a_key);
if (ret) {
pr_err("hisi_sec2: aead auth digest error!\n");
return -EINVAL;
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 1f54ebe164b6..a4cb58b54b25 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -80,6 +80,9 @@
#define SEC_VF_CNT_MASK 0xffffffc0
#define SEC_DBGFS_VAL_MAX_LEN 20
+#define SEC_SQE_MASK_OFFSET 64
+#define SEC_SQE_MASK_LEN 48
+
#define SEC_ADDR(qm, offset) ((qm)->io_base + (offset) + \
SEC_ENGINE_PF_CFG_OFF + SEC_ACC_COMMON_REG_OFF)
@@ -88,6 +91,11 @@ struct sec_hw_error {
const char *msg;
};
+struct sec_dfx_item {
+ const char *name;
+ u32 offset;
+};
+
static const char sec_name[] = "hisi_sec2";
static struct dentry *sec_debugfs_root;
static struct hisi_qm_list sec_devices;
@@ -110,7 +118,16 @@ static const char * const sec_dbg_file_name[] = {
[SEC_CLEAR_ENABLE] = "clear_enable",
};
-static struct debugfs_reg32 sec_dfx_regs[] = {
+static struct sec_dfx_item sec_dfx_labels[] = {
+ {"send_cnt", offsetof(struct sec_dfx, send_cnt)},
+ {"recv_cnt", offsetof(struct sec_dfx, recv_cnt)},
+ {"send_busy_cnt", offsetof(struct sec_dfx, send_busy_cnt)},
+ {"err_bd_cnt", offsetof(struct sec_dfx, err_bd_cnt)},
+ {"invalid_req_cnt", offsetof(struct sec_dfx, invalid_req_cnt)},
+ {"done_flag_cnt", offsetof(struct sec_dfx, done_flag_cnt)},
+};
+
+static const struct debugfs_reg32 sec_dfx_regs[] = {
{"SEC_PF_ABNORMAL_INT_SOURCE ", 0x301010},
{"SEC_SAA_EN ", 0x301270},
{"SEC_BD_LATENCY_MIN ", 0x301600},
@@ -136,45 +153,14 @@ static struct debugfs_reg32 sec_dfx_regs[] = {
static int sec_pf_q_num_set(const char *val, const struct kernel_param *kp)
{
- struct pci_dev *pdev;
- u32 n, q_num;
- u8 rev_id;
- int ret;
-
- if (!val)
- return -EINVAL;
-
- pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
- SEC_PF_PCI_DEVICE_ID, NULL);
- if (!pdev) {
- q_num = min_t(u32, SEC_QUEUE_NUM_V1, SEC_QUEUE_NUM_V2);
- pr_info("No device, suppose queue number is %d!\n", q_num);
- } else {
- rev_id = pdev->revision;
-
- switch (rev_id) {
- case QM_HW_V1:
- q_num = SEC_QUEUE_NUM_V1;
- break;
- case QM_HW_V2:
- q_num = SEC_QUEUE_NUM_V2;
- break;
- default:
- return -EINVAL;
- }
- }
-
- ret = kstrtou32(val, 10, &n);
- if (ret || !n || n > q_num)
- return -EINVAL;
-
- return param_set_int(val, kp);
+ return q_num_set(val, kp, SEC_PF_PCI_DEVICE_ID);
}
static const struct kernel_param_ops sec_pf_q_num_ops = {
.set = sec_pf_q_num_set,
.get = param_get_int,
};
+
static u32 pf_q_num = SEC_PF_DEF_Q_NUM;
module_param_cb(pf_q_num, &sec_pf_q_num_ops, &pf_q_num, 0444);
MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 0-4096, v2 0-1024)");
@@ -207,6 +193,15 @@ static u32 ctx_q_num = SEC_CTX_Q_NUM_DEF;
module_param_cb(ctx_q_num, &sec_ctx_q_num_ops, &ctx_q_num, 0444);
MODULE_PARM_DESC(ctx_q_num, "Queue num in ctx (24 default, 2, 4, ..., 32)");
+static const struct kernel_param_ops vfs_num_ops = {
+ .set = vfs_num_set,
+ .get = param_get_int,
+};
+
+static u32 vfs_num;
+module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
+MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
+
void sec_destroy_qps(struct hisi_qp **qps, int qp_num)
{
hisi_qm_free_qps(qps, qp_num);
@@ -240,9 +235,8 @@ static const struct pci_device_id sec_dev_ids[] = {
};
MODULE_DEVICE_TABLE(pci, sec_dev_ids);
-static u8 sec_get_endian(struct sec_dev *sec)
+static u8 sec_get_endian(struct hisi_qm *qm)
{
- struct hisi_qm *qm = &sec->qm;
u32 reg;
/*
@@ -270,9 +264,8 @@ static u8 sec_get_endian(struct sec_dev *sec)
return SEC_64BE;
}
-static int sec_engine_init(struct sec_dev *sec)
+static int sec_engine_init(struct hisi_qm *qm)
{
- struct hisi_qm *qm = &sec->qm;
int ret;
u32 reg;
@@ -315,7 +308,7 @@ static int sec_engine_init(struct sec_dev *sec)
/* config endian */
reg = readl_relaxed(SEC_ADDR(qm, SEC_CONTROL_REG));
- reg |= sec_get_endian(sec);
+ reg |= sec_get_endian(qm);
writel_relaxed(reg, SEC_ADDR(qm, SEC_CONTROL_REG));
/* Enable sm4 xts mode multiple iv */
@@ -325,10 +318,8 @@ static int sec_engine_init(struct sec_dev *sec)
return 0;
}
-static int sec_set_user_domain_and_cache(struct sec_dev *sec)
+static int sec_set_user_domain_and_cache(struct hisi_qm *qm)
{
- struct hisi_qm *qm = &sec->qm;
-
/* qm user domain */
writel(AXUSER_BASE, qm->io_base + QM_ARUSER_M_CFG_1);
writel(ARUSER_M_CFG_ENABLE, qm->io_base + QM_ARUSER_M_CFG_ENABLE);
@@ -349,7 +340,7 @@ static int sec_set_user_domain_and_cache(struct sec_dev *sec)
CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) |
FIELD_PREP(CQC_CACHE_WB_THRD, 1), qm->io_base + QM_CACHE_CTL);
- return sec_engine_init(sec);
+ return sec_engine_init(qm);
}
/* sec_debug_regs_clear() - clear the sec debug regs */
@@ -424,23 +415,22 @@ static u32 sec_current_qm_read(struct sec_debug_file *file)
static int sec_current_qm_write(struct sec_debug_file *file, u32 val)
{
struct hisi_qm *qm = file->qm;
- struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
u32 vfq_num;
u32 tmp;
- if (val > sec->num_vfs)
+ if (val > qm->vfs_num)
return -EINVAL;
/* According PF or VF Dev ID to calculation curr_qm_qp_num and store */
if (!val) {
qm->debug.curr_qm_qp_num = qm->qp_num;
} else {
- vfq_num = (qm->ctrl_qp_num - qm->qp_num) / sec->num_vfs;
+ vfq_num = (qm->ctrl_qp_num - qm->qp_num) / qm->vfs_num;
- if (val == sec->num_vfs)
+ if (val == qm->vfs_num)
qm->debug.curr_qm_qp_num =
qm->ctrl_qp_num - qm->qp_num -
- (sec->num_vfs - 1) * vfq_num;
+ (qm->vfs_num - 1) * vfq_num;
else
qm->debug.curr_qm_qp_num = vfq_num;
}
@@ -570,10 +560,22 @@ static const struct file_operations sec_dbg_fops = {
static int sec_debugfs_atomic64_get(void *data, u64 *val)
{
*val = atomic64_read((atomic64_t *)data);
+
+ return 0;
+}
+
+static int sec_debugfs_atomic64_set(void *data, u64 val)
+{
+ if (val)
+ return -EINVAL;
+
+ atomic64_set((atomic64_t *)data, 0);
+
return 0;
}
+
DEFINE_DEBUGFS_ATTRIBUTE(sec_atomic64_ops, sec_debugfs_atomic64_get,
- NULL, "%lld\n");
+ sec_debugfs_atomic64_set, "%lld\n");
static int sec_core_debug_init(struct sec_dev *sec)
{
@@ -582,6 +584,7 @@ static int sec_core_debug_init(struct sec_dev *sec)
struct sec_dfx *dfx = &sec->debug.dfx;
struct debugfs_regset32 *regset;
struct dentry *tmp_d;
+ int i;
tmp_d = debugfs_create_dir("sec_dfx", sec->qm.debug.debug_root);
@@ -593,13 +596,15 @@ static int sec_core_debug_init(struct sec_dev *sec)
regset->nregs = ARRAY_SIZE(sec_dfx_regs);
regset->base = qm->io_base;
- debugfs_create_regset32("regs", 0444, tmp_d, regset);
-
- debugfs_create_file("send_cnt", 0444, tmp_d,
- &dfx->send_cnt, &sec_atomic64_ops);
+ if (qm->pdev->device == SEC_PF_PCI_DEVICE_ID)
+ debugfs_create_regset32("regs", 0444, tmp_d, regset);
- debugfs_create_file("recv_cnt", 0444, tmp_d,
- &dfx->recv_cnt, &sec_atomic64_ops);
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_labels); i++) {
+ atomic64_t *data = (atomic64_t *)((uintptr_t)dfx +
+ sec_dfx_labels[i].offset);
+ debugfs_create_file(sec_dfx_labels[i].name, 0644,
+ tmp_d, data, &sec_atomic64_ops);
+ }
return 0;
}
@@ -630,6 +635,9 @@ static int sec_debugfs_init(struct sec_dev *sec)
qm->debug.debug_root = debugfs_create_dir(dev_name(dev),
sec_debugfs_root);
+
+ qm->debug.sqe_mask_offset = SEC_SQE_MASK_OFFSET;
+ qm->debug.sqe_mask_len = SEC_SQE_MASK_LEN;
ret = hisi_qm_debug_init(qm);
if (ret)
goto failed_to_create;
@@ -675,8 +683,6 @@ static void sec_log_hw_error(struct hisi_qm *qm, u32 err_sts)
}
errs++;
}
-
- writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE);
}
static u32 sec_get_hw_err_status(struct hisi_qm *qm)
@@ -684,17 +690,36 @@ static u32 sec_get_hw_err_status(struct hisi_qm *qm)
return readl(qm->io_base + SEC_CORE_INT_STATUS);
}
+static void sec_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
+{
+ writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE);
+}
+
+static void sec_open_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 val;
+
+ val = readl(SEC_ADDR(qm, SEC_CONTROL_REG));
+ writel(val & SEC_AXI_SHUTDOWN_DISABLE, SEC_ADDR(qm, SEC_CONTROL_REG));
+ writel(val | SEC_AXI_SHUTDOWN_ENABLE, SEC_ADDR(qm, SEC_CONTROL_REG));
+}
+
static const struct hisi_qm_err_ini sec_err_ini = {
+ .hw_init = sec_set_user_domain_and_cache,
.hw_err_enable = sec_hw_error_enable,
.hw_err_disable = sec_hw_error_disable,
.get_dev_hw_err_status = sec_get_hw_err_status,
+ .clear_dev_hw_err_status = sec_clear_hw_err_status,
.log_dev_hw_err = sec_log_hw_error,
+ .open_axi_master_ooo = sec_open_axi_master_ooo,
.err_info = {
.ce = QM_BASE_CE,
.nfe = QM_BASE_NFE | QM_ACC_DO_TASK_TIMEOUT |
QM_ACC_WB_NOT_READY_TIMEOUT,
.fe = 0,
- .msi = QM_DB_RANDOM_INVALID,
+ .ecc_2bits_mask = SEC_CORE_INT_STATUS_M_ECC,
+ .msi_wr_port = BIT(0),
+ .acpi_rst = "SRST",
}
};
@@ -703,22 +728,14 @@ static int sec_pf_probe_init(struct sec_dev *sec)
struct hisi_qm *qm = &sec->qm;
int ret;
- switch (qm->ver) {
- case QM_HW_V1:
+ if (qm->ver == QM_HW_V1)
qm->ctrl_qp_num = SEC_QUEUE_NUM_V1;
- break;
-
- case QM_HW_V2:
+ else
qm->ctrl_qp_num = SEC_QUEUE_NUM_V2;
- break;
-
- default:
- return -EINVAL;
- }
qm->err_ini = &sec_err_ini;
- ret = sec_set_user_domain_and_cache(sec);
+ ret = sec_set_user_domain_and_cache(qm);
if (ret)
return ret;
@@ -730,32 +747,30 @@ static int sec_pf_probe_init(struct sec_dev *sec)
static int sec_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
{
- enum qm_hw_ver rev_id;
-
- rev_id = hisi_qm_get_hw_version(pdev);
- if (rev_id == QM_HW_UNKNOWN)
- return -ENODEV;
+ int ret;
qm->pdev = pdev;
- qm->ver = rev_id;
-
+ qm->ver = pdev->revision;
qm->sqe_size = SEC_SQE_SIZE;
qm->dev_name = sec_name;
+
qm->fun_type = (pdev->device == SEC_PF_PCI_DEVICE_ID) ?
QM_HW_PF : QM_HW_VF;
- qm->use_dma_api = true;
-
- return hisi_qm_init(qm);
-}
-
-static void sec_qm_uninit(struct hisi_qm *qm)
-{
- hisi_qm_uninit(qm);
-}
-
-static int sec_probe_init(struct hisi_qm *qm, struct sec_dev *sec)
-{
- int ret;
+ if (qm->fun_type == QM_HW_PF) {
+ qm->qp_base = SEC_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+ qm->debug.curr_qm_qp_num = pf_q_num;
+ qm->qm_list = &sec_devices;
+ } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) {
+ /*
+ * have no way to get qm configure in VM in v1 hardware,
+ * so currently force PF to uses SEC_PF_DEF_Q_NUM, and force
+ * to trigger only one VF in v1 hardware.
+ * v2 hardware has no such problem.
+ */
+ qm->qp_base = SEC_PF_DEF_Q_NUM;
+ qm->qp_num = SEC_QUEUE_NUM_V1 - SEC_PF_DEF_Q_NUM;
+ }
/*
* WQ_HIGHPRI: SEC request must be low delayed,
@@ -763,47 +778,38 @@ static int sec_probe_init(struct hisi_qm *qm, struct sec_dev *sec)
* WQ_UNBOUND: SEC task is likely with long
* running CPU intensive workloads.
*/
- qm->wq = alloc_workqueue("%s", WQ_HIGHPRI |
- WQ_MEM_RECLAIM | WQ_UNBOUND, num_online_cpus(),
- pci_name(qm->pdev));
+ qm->wq = alloc_workqueue("%s", WQ_HIGHPRI | WQ_MEM_RECLAIM |
+ WQ_UNBOUND, num_online_cpus(),
+ pci_name(qm->pdev));
if (!qm->wq) {
pci_err(qm->pdev, "fail to alloc workqueue\n");
return -ENOMEM;
}
- if (qm->fun_type == QM_HW_PF) {
- qm->qp_base = SEC_PF_DEF_Q_BASE;
- qm->qp_num = pf_q_num;
- qm->debug.curr_qm_qp_num = pf_q_num;
+ ret = hisi_qm_init(qm);
+ if (ret)
+ destroy_workqueue(qm->wq);
+
+ return ret;
+}
+static void sec_qm_uninit(struct hisi_qm *qm)
+{
+ hisi_qm_uninit(qm);
+}
+
+static int sec_probe_init(struct sec_dev *sec)
+{
+ struct hisi_qm *qm = &sec->qm;
+ int ret;
+
+ if (qm->fun_type == QM_HW_PF) {
ret = sec_pf_probe_init(sec);
if (ret)
- goto err_probe_uninit;
- } else if (qm->fun_type == QM_HW_VF) {
- /*
- * have no way to get qm configure in VM in v1 hardware,
- * so currently force PF to uses SEC_PF_DEF_Q_NUM, and force
- * to trigger only one VF in v1 hardware.
- * v2 hardware has no such problem.
- */
- if (qm->ver == QM_HW_V1) {
- qm->qp_base = SEC_PF_DEF_Q_NUM;
- qm->qp_num = SEC_QUEUE_NUM_V1 - SEC_PF_DEF_Q_NUM;
- } else if (qm->ver == QM_HW_V2) {
- /* v2 starts to support get vft by mailbox */
- ret = hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
- if (ret)
- goto err_probe_uninit;
- }
- } else {
- ret = -ENODEV;
- goto err_probe_uninit;
+ return ret;
}
return 0;
-err_probe_uninit:
- destroy_workqueue(qm->wq);
- return ret;
}
static void sec_probe_uninit(struct hisi_qm *qm)
@@ -840,20 +846,17 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (!sec)
return -ENOMEM;
- pci_set_drvdata(pdev, sec);
-
- sec->ctx_q_num = ctx_q_num;
- sec_iommu_used_check(sec);
-
qm = &sec->qm;
-
ret = sec_qm_init(qm, pdev);
if (ret) {
- pci_err(pdev, "Failed to pre init qm!\n");
+ pci_err(pdev, "Failed to init SEC QM (%d)!\n", ret);
return ret;
}
- ret = sec_probe_init(qm, sec);
+ sec->ctx_q_num = ctx_q_num;
+ sec_iommu_used_check(sec);
+
+ ret = sec_probe_init(sec);
if (ret) {
pci_err(pdev, "Failed to probe!\n");
goto err_qm_uninit;
@@ -877,8 +880,17 @@ static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_remove_from_list;
}
+ if (qm->fun_type == QM_HW_PF && vfs_num) {
+ ret = hisi_qm_sriov_enable(pdev, vfs_num);
+ if (ret < 0)
+ goto err_crypto_unregister;
+ }
+
return 0;
+err_crypto_unregister:
+ sec_unregister_from_crypto();
+
err_remove_from_list:
hisi_qm_del_from_list(qm, &sec_devices);
sec_debugfs_exit(sec);
@@ -893,110 +905,6 @@ err_qm_uninit:
return ret;
}
-/* now we only support equal assignment */
-static int sec_vf_q_assign(struct sec_dev *sec, u32 num_vfs)
-{
- struct hisi_qm *qm = &sec->qm;
- u32 qp_num = qm->qp_num;
- u32 q_base = qp_num;
- u32 q_num, remain_q_num;
- int i, j, ret;
-
- if (!num_vfs)
- return -EINVAL;
-
- remain_q_num = qm->ctrl_qp_num - qp_num;
- q_num = remain_q_num / num_vfs;
-
- for (i = 1; i <= num_vfs; i++) {
- if (i == num_vfs)
- q_num += remain_q_num % num_vfs;
- ret = hisi_qm_set_vft(qm, i, q_base, q_num);
- if (ret) {
- for (j = i; j > 0; j--)
- hisi_qm_set_vft(qm, j, 0, 0);
- return ret;
- }
- q_base += q_num;
- }
-
- return 0;
-}
-
-static int sec_clear_vft_config(struct sec_dev *sec)
-{
- struct hisi_qm *qm = &sec->qm;
- u32 num_vfs = sec->num_vfs;
- int ret;
- u32 i;
-
- for (i = 1; i <= num_vfs; i++) {
- ret = hisi_qm_set_vft(qm, i, 0, 0);
- if (ret)
- return ret;
- }
-
- sec->num_vfs = 0;
-
- return 0;
-}
-
-static int sec_sriov_enable(struct pci_dev *pdev, int max_vfs)
-{
- struct sec_dev *sec = pci_get_drvdata(pdev);
- int pre_existing_vfs, ret;
- u32 num_vfs;
-
- pre_existing_vfs = pci_num_vf(pdev);
-
- if (pre_existing_vfs) {
- pci_err(pdev, "Can't enable VF. Please disable at first!\n");
- return 0;
- }
-
- num_vfs = min_t(u32, max_vfs, SEC_VF_NUM);
-
- ret = sec_vf_q_assign(sec, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't assign queues for VF!\n");
- return ret;
- }
-
- sec->num_vfs = num_vfs;
-
- ret = pci_enable_sriov(pdev, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't enable VF!\n");
- sec_clear_vft_config(sec);
- return ret;
- }
-
- return num_vfs;
-}
-
-static int sec_sriov_disable(struct pci_dev *pdev)
-{
- struct sec_dev *sec = pci_get_drvdata(pdev);
-
- if (pci_vfs_assigned(pdev)) {
- pci_err(pdev, "Can't disable VFs while VFs are assigned!\n");
- return -EPERM;
- }
-
- /* remove in sec_pci_driver will be called to free VF resources */
- pci_disable_sriov(pdev);
-
- return sec_clear_vft_config(sec);
-}
-
-static int sec_sriov_configure(struct pci_dev *pdev, int num_vfs)
-{
- if (num_vfs)
- return sec_sriov_enable(pdev, num_vfs);
- else
- return sec_sriov_disable(pdev);
-}
-
static void sec_remove(struct pci_dev *pdev)
{
struct sec_dev *sec = pci_get_drvdata(pdev);
@@ -1006,8 +914,8 @@ static void sec_remove(struct pci_dev *pdev)
hisi_qm_del_from_list(qm, &sec_devices);
- if (qm->fun_type == QM_HW_PF && sec->num_vfs)
- (void)sec_sriov_disable(pdev);
+ if (qm->fun_type == QM_HW_PF && qm->vfs_num)
+ hisi_qm_sriov_disable(pdev);
sec_debugfs_exit(sec);
@@ -1023,6 +931,9 @@ static void sec_remove(struct pci_dev *pdev)
static const struct pci_error_handlers sec_err_handler = {
.error_detected = hisi_qm_dev_err_detected,
+ .slot_reset = hisi_qm_dev_slot_reset,
+ .reset_prepare = hisi_qm_reset_prepare,
+ .reset_done = hisi_qm_reset_done,
};
static struct pci_driver sec_pci_driver = {
@@ -1031,7 +942,7 @@ static struct pci_driver sec_pci_driver = {
.probe = sec_probe,
.remove = sec_remove,
.err_handler = &sec_err_handler,
- .sriov_configure = sec_sriov_configure,
+ .sriov_configure = hisi_qm_sriov_configure,
};
static void sec_register_debugfs(void)
diff --git a/drivers/crypto/hisilicon/zip/zip.h b/drivers/crypto/hisilicon/zip/zip.h
index 82dc6f867171..f3ed4c0e5493 100644
--- a/drivers/crypto/hisilicon/zip/zip.h
+++ b/drivers/crypto/hisilicon/zip/zip.h
@@ -28,12 +28,20 @@ enum hisi_zip_error_type {
HZIP_NC_ERR = 0x0d,
};
+struct hisi_zip_dfx {
+ atomic64_t send_cnt;
+ atomic64_t recv_cnt;
+ atomic64_t send_busy_cnt;
+ atomic64_t err_bd_cnt;
+};
+
struct hisi_zip_ctrl;
struct hisi_zip {
struct hisi_qm qm;
struct list_head list;
struct hisi_zip_ctrl *ctrl;
+ struct hisi_zip_dfx dfx;
};
struct hisi_zip_sqe {
diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 369ec3220574..c73707c2e539 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -64,7 +64,6 @@ struct hisi_zip_req_q {
struct hisi_zip_qp_ctx {
struct hisi_qp *qp;
- struct hisi_zip_sqe zip_sqe;
struct hisi_zip_req_q req_q;
struct hisi_acc_sgl_pool *sgl_pool;
struct hisi_zip *zip_dev;
@@ -333,6 +332,7 @@ static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data)
{
struct hisi_zip_sqe *sqe = data;
struct hisi_zip_qp_ctx *qp_ctx = qp->qp_ctx;
+ struct hisi_zip_dfx *dfx = &qp_ctx->zip_dev->dfx;
struct hisi_zip_req_q *req_q = &qp_ctx->req_q;
struct hisi_zip_req *req = req_q->q + sqe->tag;
struct acomp_req *acomp_req = req->req;
@@ -340,12 +340,14 @@ static void hisi_zip_acomp_cb(struct hisi_qp *qp, void *data)
u32 status, dlen, head_size;
int err = 0;
+ atomic64_inc(&dfx->recv_cnt);
status = sqe->dw3 & HZIP_BD_STATUS_M;
if (status != 0 && status != HZIP_NC_ERR) {
dev_err(dev, "%scompress fail in qp%u: %u, output: %u\n",
(qp->alg_type == 0) ? "" : "de", qp->qp_id, status,
sqe->produced);
+ atomic64_inc(&dfx->err_bd_cnt);
err = -EIO;
}
dlen = sqe->produced;
@@ -484,11 +486,12 @@ static struct hisi_zip_req *hisi_zip_create_req(struct acomp_req *req,
static int hisi_zip_do_work(struct hisi_zip_req *req,
struct hisi_zip_qp_ctx *qp_ctx)
{
- struct hisi_zip_sqe *zip_sqe = &qp_ctx->zip_sqe;
struct acomp_req *a_req = req->req;
struct hisi_qp *qp = qp_ctx->qp;
struct device *dev = &qp->qm->pdev->dev;
struct hisi_acc_sgl_pool *pool = qp_ctx->sgl_pool;
+ struct hisi_zip_dfx *dfx = &qp_ctx->zip_dev->dfx;
+ struct hisi_zip_sqe zip_sqe;
dma_addr_t input;
dma_addr_t output;
int ret;
@@ -511,15 +514,18 @@ static int hisi_zip_do_work(struct hisi_zip_req *req,
}
req->dma_dst = output;
- hisi_zip_fill_sqe(zip_sqe, qp->req_type, input, output, a_req->slen,
+ hisi_zip_fill_sqe(&zip_sqe, qp->req_type, input, output, a_req->slen,
a_req->dlen, req->sskip, req->dskip);
- hisi_zip_config_buf_type(zip_sqe, HZIP_SGL);
- hisi_zip_config_tag(zip_sqe, req->req_id);
+ hisi_zip_config_buf_type(&zip_sqe, HZIP_SGL);
+ hisi_zip_config_tag(&zip_sqe, req->req_id);
/* send command to start a task */
- ret = hisi_qp_send(qp, zip_sqe);
- if (ret < 0)
+ atomic64_inc(&dfx->send_cnt);
+ ret = hisi_qp_send(qp, &zip_sqe);
+ if (ret < 0) {
+ atomic64_inc(&dfx->send_busy_cnt);
goto err_unmap_output;
+ }
return -EINPROGRESS;
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
index fcc85d2dbd07..2229a21ae7c8 100644
--- a/drivers/crypto/hisilicon/zip/zip_main.c
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -62,6 +62,7 @@
#define HZIP_CORE_INT_SOURCE 0x3010A0
#define HZIP_CORE_INT_MASK_REG 0x3010A4
+#define HZIP_CORE_INT_SET 0x3010A8
#define HZIP_CORE_INT_STATUS 0x3010AC
#define HZIP_CORE_INT_STATUS_M_ECC BIT(1)
#define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148
@@ -83,8 +84,13 @@
#define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000
#define SOFT_CTRL_CNT_CLR_CE_BIT BIT(0)
+#define HZIP_SOFT_CTRL_ZIP_CONTROL 0x30100C
+#define HZIP_AXI_SHUTDOWN_ENABLE BIT(14)
+#define HZIP_WR_PORT BIT(11)
#define HZIP_BUF_SIZE 22
+#define HZIP_SQE_MASK_OFFSET 64
+#define HZIP_SQE_MASK_LEN 48
static const char hisi_zip_name[] = "hisi_zip";
static struct dentry *hzip_debugfs_root;
@@ -95,6 +101,18 @@ struct hisi_zip_hw_error {
const char *msg;
};
+struct zip_dfx_item {
+ const char *name;
+ u32 offset;
+};
+
+static struct zip_dfx_item zip_dfx_files[] = {
+ {"send_cnt", offsetof(struct hisi_zip_dfx, send_cnt)},
+ {"recv_cnt", offsetof(struct hisi_zip_dfx, recv_cnt)},
+ {"send_busy_cnt", offsetof(struct hisi_zip_dfx, send_busy_cnt)},
+ {"err_bd_cnt", offsetof(struct hisi_zip_dfx, err_bd_cnt)},
+};
+
static const struct hisi_zip_hw_error zip_hw_error[] = {
{ .int_msk = BIT(0), .msg = "zip_ecc_1bitt_err" },
{ .int_msk = BIT(1), .msg = "zip_ecc_2bit_err" },
@@ -134,7 +152,6 @@ struct ctrl_debug_file {
* Just relevant for PF.
*/
struct hisi_zip_ctrl {
- u32 num_vfs;
struct hisi_zip *hisi_zip;
struct dentry *debug_root;
struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM];
@@ -162,7 +179,7 @@ static const u64 core_offsets[] = {
[HZIP_DECOMP_CORE5] = 0x309000,
};
-static struct debugfs_reg32 hzip_dfx_regs[] = {
+static const struct debugfs_reg32 hzip_dfx_regs[] = {
{"HZIP_GET_BD_NUM ", 0x00ull},
{"HZIP_GET_RIGHT_BD ", 0x04ull},
{"HZIP_GET_ERROR_BD ", 0x08ull},
@@ -189,38 +206,7 @@ static struct debugfs_reg32 hzip_dfx_regs[] = {
static int pf_q_num_set(const char *val, const struct kernel_param *kp)
{
- struct pci_dev *pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI,
- PCI_DEVICE_ID_ZIP_PF, NULL);
- u32 n, q_num;
- u8 rev_id;
- int ret;
-
- if (!val)
- return -EINVAL;
-
- if (!pdev) {
- q_num = min_t(u32, HZIP_QUEUE_NUM_V1, HZIP_QUEUE_NUM_V2);
- pr_info("No device found currently, suppose queue number is %d\n",
- q_num);
- } else {
- rev_id = pdev->revision;
- switch (rev_id) {
- case QM_HW_V1:
- q_num = HZIP_QUEUE_NUM_V1;
- break;
- case QM_HW_V2:
- q_num = HZIP_QUEUE_NUM_V2;
- break;
- default:
- return -EINVAL;
- }
- }
-
- ret = kstrtou32(val, 10, &n);
- if (ret != 0 || n > q_num || n == 0)
- return -EINVAL;
-
- return param_set_int(val, kp);
+ return q_num_set(val, kp, PCI_DEVICE_ID_ZIP_PF);
}
static const struct kernel_param_ops pf_q_num_ops = {
@@ -232,9 +218,14 @@ static u32 pf_q_num = HZIP_PF_DEF_Q_NUM;
module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444);
MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 1-4096, v2 1-1024)");
+static const struct kernel_param_ops vfs_num_ops = {
+ .set = vfs_num_set,
+ .get = param_get_int,
+};
+
static u32 vfs_num;
-module_param(vfs_num, uint, 0444);
-MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63)");
+module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444);
+MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)");
static const struct pci_device_id hisi_zip_dev_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_ZIP_PF) },
@@ -250,9 +241,9 @@ int zip_create_qps(struct hisi_qp **qps, int qp_num)
return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps);
}
-static void hisi_zip_set_user_domain_and_cache(struct hisi_zip *hisi_zip)
+static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm)
{
- void __iomem *base = hisi_zip->qm.io_base;
+ void __iomem *base = qm->io_base;
/* qm user domain */
writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1);
@@ -279,7 +270,7 @@ static void hisi_zip_set_user_domain_and_cache(struct hisi_zip *hisi_zip)
writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63);
writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63);
- if (hisi_zip->qm.use_sva) {
+ if (qm->use_sva) {
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63);
writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63);
} else {
@@ -295,10 +286,14 @@ static void hisi_zip_set_user_domain_and_cache(struct hisi_zip *hisi_zip)
writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE |
CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) |
FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL);
+
+ return 0;
}
static void hisi_zip_hw_error_enable(struct hisi_qm *qm)
{
+ u32 val;
+
if (qm->ver == QM_HW_V1) {
writel(HZIP_CORE_INT_MASK_ALL,
qm->io_base + HZIP_CORE_INT_MASK_REG);
@@ -317,12 +312,24 @@ static void hisi_zip_hw_error_enable(struct hisi_qm *qm)
/* enable ZIP hw error interrupts */
writel(0, qm->io_base + HZIP_CORE_INT_MASK_REG);
+
+ /* enable ZIP block master OOO when m-bit error occur */
+ val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
+ val = val | HZIP_AXI_SHUTDOWN_ENABLE;
+ writel(val, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
}
static void hisi_zip_hw_error_disable(struct hisi_qm *qm)
{
+ u32 val;
+
/* disable ZIP hw error interrupts */
writel(HZIP_CORE_INT_MASK_ALL, qm->io_base + HZIP_CORE_INT_MASK_REG);
+
+ /* disable ZIP block master OOO when m-bit error occur */
+ val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
+ val = val & ~HZIP_AXI_SHUTDOWN_ENABLE;
+ writel(val, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
}
static inline struct hisi_qm *file_to_qm(struct ctrl_debug_file *file)
@@ -342,21 +349,20 @@ static u32 current_qm_read(struct ctrl_debug_file *file)
static int current_qm_write(struct ctrl_debug_file *file, u32 val)
{
struct hisi_qm *qm = file_to_qm(file);
- struct hisi_zip_ctrl *ctrl = file->ctrl;
u32 vfq_num;
u32 tmp;
- if (val > ctrl->num_vfs)
+ if (val > qm->vfs_num)
return -EINVAL;
/* Calculate curr_qm_qp_num and store */
if (val == 0) {
qm->debug.curr_qm_qp_num = qm->qp_num;
} else {
- vfq_num = (qm->ctrl_qp_num - qm->qp_num) / ctrl->num_vfs;
- if (val == ctrl->num_vfs)
+ vfq_num = (qm->ctrl_qp_num - qm->qp_num) / qm->vfs_num;
+ if (val == qm->vfs_num)
qm->debug.curr_qm_qp_num = qm->ctrl_qp_num -
- qm->qp_num - (ctrl->num_vfs - 1) * vfq_num;
+ qm->qp_num - (qm->vfs_num - 1) * vfq_num;
else
qm->debug.curr_qm_qp_num = vfq_num;
}
@@ -477,6 +483,27 @@ static const struct file_operations ctrl_debug_fops = {
.write = ctrl_debug_write,
};
+
+static int zip_debugfs_atomic64_set(void *data, u64 val)
+{
+ if (val)
+ return -EINVAL;
+
+ atomic64_set((atomic64_t *)data, 0);
+
+ return 0;
+}
+
+static int zip_debugfs_atomic64_get(void *data, u64 *val)
+{
+ *val = atomic64_read((atomic64_t *)data);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(zip_atomic64_ops, zip_debugfs_atomic64_get,
+ zip_debugfs_atomic64_set, "%llu\n");
+
static int hisi_zip_core_debug_init(struct hisi_zip_ctrl *ctrl)
{
struct hisi_zip *hisi_zip = ctrl->hisi_zip;
@@ -508,6 +535,25 @@ static int hisi_zip_core_debug_init(struct hisi_zip_ctrl *ctrl)
return 0;
}
+static void hisi_zip_dfx_debug_init(struct hisi_qm *qm)
+{
+ struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm);
+ struct hisi_zip_dfx *dfx = &zip->dfx;
+ struct dentry *tmp_dir;
+ void *data;
+ int i;
+
+ tmp_dir = debugfs_create_dir("zip_dfx", qm->debug.debug_root);
+ for (i = 0; i < ARRAY_SIZE(zip_dfx_files); i++) {
+ data = (atomic64_t *)((uintptr_t)dfx + zip_dfx_files[i].offset);
+ debugfs_create_file(zip_dfx_files[i].name,
+ 0644,
+ tmp_dir,
+ data,
+ &zip_atomic64_ops);
+ }
+}
+
static int hisi_zip_ctrl_debug_init(struct hisi_zip_ctrl *ctrl)
{
int i;
@@ -534,6 +580,8 @@ static int hisi_zip_debugfs_init(struct hisi_zip *hisi_zip)
dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root);
+ qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET;
+ qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN;
qm->debug.debug_root = dev_d;
ret = hisi_qm_debug_init(qm);
if (ret)
@@ -546,6 +594,8 @@ static int hisi_zip_debugfs_init(struct hisi_zip *hisi_zip)
goto failed_to_create;
}
+ hisi_zip_dfx_debug_init(qm);
+
return 0;
failed_to_create:
@@ -598,8 +648,6 @@ static void hisi_zip_log_hw_error(struct hisi_qm *qm, u32 err_sts)
}
err++;
}
-
- writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE);
}
static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm)
@@ -607,17 +655,55 @@ static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm)
return readl(qm->io_base + HZIP_CORE_INT_STATUS);
}
+static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
+{
+ writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE);
+}
+
+static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 val;
+
+ val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
+
+ writel(val & ~HZIP_AXI_SHUTDOWN_ENABLE,
+ qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
+
+ writel(val | HZIP_AXI_SHUTDOWN_ENABLE,
+ qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL);
+}
+
+static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 nfe_enb;
+
+ /* Disable ECC Mbit error report. */
+ nfe_enb = readl(qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
+ writel(nfe_enb & ~HZIP_CORE_INT_STATUS_M_ECC,
+ qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
+
+ /* Inject zip ECC Mbit error to block master ooo. */
+ writel(HZIP_CORE_INT_STATUS_M_ECC,
+ qm->io_base + HZIP_CORE_INT_SET);
+}
+
static const struct hisi_qm_err_ini hisi_zip_err_ini = {
+ .hw_init = hisi_zip_set_user_domain_and_cache,
.hw_err_enable = hisi_zip_hw_error_enable,
.hw_err_disable = hisi_zip_hw_error_disable,
.get_dev_hw_err_status = hisi_zip_get_hw_err_status,
+ .clear_dev_hw_err_status = hisi_zip_clear_hw_err_status,
.log_dev_hw_err = hisi_zip_log_hw_error,
+ .open_axi_master_ooo = hisi_zip_open_axi_master_ooo,
+ .close_axi_master_ooo = hisi_zip_close_axi_master_ooo,
.err_info = {
.ce = QM_BASE_CE,
.nfe = QM_BASE_NFE |
QM_ACC_WB_NOT_READY_TIMEOUT,
.fe = 0,
- .msi = QM_DB_RANDOM_INVALID,
+ .ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC,
+ .msi_wr_port = HZIP_WR_PORT,
+ .acpi_rst = "ZRST",
}
};
@@ -633,177 +719,85 @@ static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip)
hisi_zip->ctrl = ctrl;
ctrl->hisi_zip = hisi_zip;
- switch (qm->ver) {
- case QM_HW_V1:
+ if (qm->ver == QM_HW_V1)
qm->ctrl_qp_num = HZIP_QUEUE_NUM_V1;
- break;
-
- case QM_HW_V2:
+ else
qm->ctrl_qp_num = HZIP_QUEUE_NUM_V2;
- break;
-
- default:
- return -EINVAL;
- }
qm->err_ini = &hisi_zip_err_ini;
- hisi_zip_set_user_domain_and_cache(hisi_zip);
+ hisi_zip_set_user_domain_and_cache(qm);
hisi_qm_dev_err_init(qm);
hisi_zip_debug_regs_clear(hisi_zip);
return 0;
}
-/* Currently we only support equal assignment */
-static int hisi_zip_vf_q_assign(struct hisi_zip *hisi_zip, int num_vfs)
+static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
{
- struct hisi_qm *qm = &hisi_zip->qm;
- u32 qp_num = qm->qp_num;
- u32 q_base = qp_num;
- u32 q_num, remain_q_num, i;
- int ret;
-
- if (!num_vfs)
- return -EINVAL;
-
- remain_q_num = qm->ctrl_qp_num - qp_num;
- if (remain_q_num < num_vfs)
- return -EINVAL;
+ qm->pdev = pdev;
+ qm->ver = pdev->revision;
+ qm->algs = "zlib\ngzip";
+ qm->sqe_size = HZIP_SQE_SIZE;
+ qm->dev_name = hisi_zip_name;
- q_num = remain_q_num / num_vfs;
- for (i = 1; i <= num_vfs; i++) {
- if (i == num_vfs)
- q_num += remain_q_num % num_vfs;
- ret = hisi_qm_set_vft(qm, i, q_base, q_num);
- if (ret)
- return ret;
- q_base += q_num;
+ qm->fun_type = (pdev->device == PCI_DEVICE_ID_ZIP_PF) ?
+ QM_HW_PF : QM_HW_VF;
+ if (qm->fun_type == QM_HW_PF) {
+ qm->qp_base = HZIP_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+ qm->qm_list = &zip_devices;
+ } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) {
+ /*
+ * have no way to get qm configure in VM in v1 hardware,
+ * so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force
+ * to trigger only one VF in v1 hardware.
+ *
+ * v2 hardware has no such problem.
+ */
+ qm->qp_base = HZIP_PF_DEF_Q_NUM;
+ qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM;
}
- return 0;
+ return hisi_qm_init(qm);
}
-static int hisi_zip_clear_vft_config(struct hisi_zip *hisi_zip)
+static int hisi_zip_probe_init(struct hisi_zip *hisi_zip)
{
- struct hisi_zip_ctrl *ctrl = hisi_zip->ctrl;
struct hisi_qm *qm = &hisi_zip->qm;
- u32 i, num_vfs = ctrl->num_vfs;
int ret;
- for (i = 1; i <= num_vfs; i++) {
- ret = hisi_qm_set_vft(qm, i, 0, 0);
+ if (qm->fun_type == QM_HW_PF) {
+ ret = hisi_zip_pf_probe_init(hisi_zip);
if (ret)
return ret;
}
- ctrl->num_vfs = 0;
-
return 0;
}
-static int hisi_zip_sriov_enable(struct pci_dev *pdev, int max_vfs)
-{
- struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
- int pre_existing_vfs, num_vfs, ret;
-
- pre_existing_vfs = pci_num_vf(pdev);
-
- if (pre_existing_vfs) {
- dev_err(&pdev->dev,
- "Can't enable VF. Please disable pre-enabled VFs!\n");
- return 0;
- }
-
- num_vfs = min_t(int, max_vfs, HZIP_VF_NUM);
-
- ret = hisi_zip_vf_q_assign(hisi_zip, num_vfs);
- if (ret) {
- dev_err(&pdev->dev, "Can't assign queues for VF!\n");
- return ret;
- }
-
- hisi_zip->ctrl->num_vfs = num_vfs;
-
- ret = pci_enable_sriov(pdev, num_vfs);
- if (ret) {
- dev_err(&pdev->dev, "Can't enable VF!\n");
- hisi_zip_clear_vft_config(hisi_zip);
- return ret;
- }
-
- return num_vfs;
-}
-
-static int hisi_zip_sriov_disable(struct pci_dev *pdev)
-{
- struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
-
- if (pci_vfs_assigned(pdev)) {
- dev_err(&pdev->dev,
- "Can't disable VFs while VFs are assigned!\n");
- return -EPERM;
- }
-
- /* remove in hisi_zip_pci_driver will be called to free VF resources */
- pci_disable_sriov(pdev);
-
- return hisi_zip_clear_vft_config(hisi_zip);
-}
-
static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct hisi_zip *hisi_zip;
- enum qm_hw_ver rev_id;
struct hisi_qm *qm;
int ret;
- rev_id = hisi_qm_get_hw_version(pdev);
- if (rev_id == QM_HW_UNKNOWN)
- return -EINVAL;
-
hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL);
if (!hisi_zip)
return -ENOMEM;
- pci_set_drvdata(pdev, hisi_zip);
qm = &hisi_zip->qm;
- qm->use_dma_api = true;
- qm->pdev = pdev;
- qm->ver = rev_id;
- qm->algs = "zlib\ngzip";
- qm->sqe_size = HZIP_SQE_SIZE;
- qm->dev_name = hisi_zip_name;
- qm->fun_type = (pdev->device == PCI_DEVICE_ID_ZIP_PF) ? QM_HW_PF :
- QM_HW_VF;
- ret = hisi_qm_init(qm);
+ ret = hisi_zip_qm_init(qm, pdev);
if (ret) {
- dev_err(&pdev->dev, "Failed to init qm!\n");
+ pci_err(pdev, "Failed to init ZIP QM (%d)!\n", ret);
return ret;
}
- if (qm->fun_type == QM_HW_PF) {
- ret = hisi_zip_pf_probe_init(hisi_zip);
- if (ret)
- return ret;
-
- qm->qp_base = HZIP_PF_DEF_Q_BASE;
- qm->qp_num = pf_q_num;
- } else if (qm->fun_type == QM_HW_VF) {
- /*
- * have no way to get qm configure in VM in v1 hardware,
- * so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force
- * to trigger only one VF in v1 hardware.
- *
- * v2 hardware has no such problem.
- */
- if (qm->ver == QM_HW_V1) {
- qm->qp_base = HZIP_PF_DEF_Q_NUM;
- qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM;
- } else if (qm->ver == QM_HW_V2)
- /* v2 starts to support get vft by mailbox */
- hisi_qm_get_vft(qm, &qm->qp_base, &qm->qp_num);
+ ret = hisi_zip_probe_init(hisi_zip);
+ if (ret) {
+ pci_err(pdev, "Failed to probe (%d)!\n", ret);
+ goto err_qm_uninit;
}
ret = hisi_qm_start(qm);
@@ -823,7 +817,7 @@ static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
if (qm->fun_type == QM_HW_PF && vfs_num > 0) {
- ret = hisi_zip_sriov_enable(pdev, vfs_num);
+ ret = hisi_qm_sriov_enable(pdev, vfs_num);
if (ret < 0)
goto err_remove_from_list;
}
@@ -836,15 +830,8 @@ err_remove_from_list:
hisi_qm_stop(qm);
err_qm_uninit:
hisi_qm_uninit(qm);
- return ret;
-}
-static int hisi_zip_sriov_configure(struct pci_dev *pdev, int num_vfs)
-{
- if (num_vfs == 0)
- return hisi_zip_sriov_disable(pdev);
- else
- return hisi_zip_sriov_enable(pdev, num_vfs);
+ return ret;
}
static void hisi_zip_remove(struct pci_dev *pdev)
@@ -852,8 +839,8 @@ static void hisi_zip_remove(struct pci_dev *pdev)
struct hisi_zip *hisi_zip = pci_get_drvdata(pdev);
struct hisi_qm *qm = &hisi_zip->qm;
- if (qm->fun_type == QM_HW_PF && hisi_zip->ctrl->num_vfs != 0)
- hisi_zip_sriov_disable(pdev);
+ if (qm->fun_type == QM_HW_PF && qm->vfs_num)
+ hisi_qm_sriov_disable(pdev);
hisi_zip_debugfs_exit(hisi_zip);
hisi_qm_stop(qm);
@@ -865,6 +852,9 @@ static void hisi_zip_remove(struct pci_dev *pdev)
static const struct pci_error_handlers hisi_zip_err_handler = {
.error_detected = hisi_qm_dev_err_detected,
+ .slot_reset = hisi_qm_dev_slot_reset,
+ .reset_prepare = hisi_qm_reset_prepare,
+ .reset_done = hisi_qm_reset_done,
};
static struct pci_driver hisi_zip_pci_driver = {
@@ -873,7 +863,7 @@ static struct pci_driver hisi_zip_pci_driver = {
.probe = hisi_zip_probe,
.remove = hisi_zip_remove,
.sriov_configure = IS_ENABLED(CONFIG_PCI_IOV) ?
- hisi_zip_sriov_configure : NULL,
+ hisi_qm_sriov_configure : NULL,
.err_handler = &hisi_zip_err_handler,
};
diff --git a/drivers/crypto/marvell/octeontx/otx_cptpf_main.c b/drivers/crypto/marvell/octeontx/otx_cptpf_main.c
index 200fb3303db0..34bb3063eb70 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptpf_main.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptpf_main.c
@@ -79,13 +79,13 @@ static int otx_cpt_device_init(struct otx_cpt_device *cpt)
/* Check BIST status */
bist = (u64)otx_cpt_check_bist_status(cpt);
if (bist) {
- dev_err(dev, "RAM BIST failed with code 0x%llx", bist);
+ dev_err(dev, "RAM BIST failed with code 0x%llx\n", bist);
return -ENODEV;
}
bist = otx_cpt_check_exe_bist_status(cpt);
if (bist) {
- dev_err(dev, "Engine BIST failed with code 0x%llx", bist);
+ dev_err(dev, "Engine BIST failed with code 0x%llx\n", bist);
return -ENODEV;
}
diff --git a/drivers/crypto/marvell/octeontx/otx_cptpf_mbox.c b/drivers/crypto/marvell/octeontx/otx_cptpf_mbox.c
index a6774232e9a3..a9e3de65875a 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptpf_mbox.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptpf_mbox.c
@@ -63,11 +63,11 @@ static void dump_mbox_msg(struct otx_cpt_mbox *mbox_msg, int vf_id)
hex_dump_to_buffer(mbox_msg, sizeof(struct otx_cpt_mbox), 16, 8,
raw_data_str, OTX_CPT_MAX_MBOX_DATA_STR_SIZE, false);
if (vf_id >= 0)
- pr_debug("MBOX opcode %s received from VF%d raw_data %s",
+ pr_debug("MBOX opcode %s received from VF%d raw_data %s\n",
get_mbox_opcode_str(mbox_msg->msg), vf_id,
raw_data_str);
else
- pr_debug("MBOX opcode %s received from PF raw_data %s",
+ pr_debug("MBOX opcode %s received from PF raw_data %s\n",
get_mbox_opcode_str(mbox_msg->msg), raw_data_str);
}
@@ -140,20 +140,20 @@ static int otx_cpt_bind_vq_to_grp(struct otx_cpt_device *cpt, u8 q, u8 grp)
struct otx_cpt_ucode *ucode;
if (q >= cpt->max_vfs) {
- dev_err(dev, "Requested queue %d is > than maximum avail %d",
+ dev_err(dev, "Requested queue %d is > than maximum avail %d\n",
q, cpt->max_vfs);
return -EINVAL;
}
if (grp >= OTX_CPT_MAX_ENGINE_GROUPS) {
- dev_err(dev, "Requested group %d is > than maximum avail %d",
+ dev_err(dev, "Requested group %d is > than maximum avail %d\n",
grp, OTX_CPT_MAX_ENGINE_GROUPS);
return -EINVAL;
}
eng_grp = &cpt->eng_grps.grp[grp];
if (!eng_grp->is_enabled) {
- dev_err(dev, "Requested engine group %d is disabled", grp);
+ dev_err(dev, "Requested engine group %d is disabled\n", grp);
return -EINVAL;
}
@@ -212,7 +212,7 @@ static void otx_cpt_handle_mbox_intr(struct otx_cpt_device *cpt, int vf)
vftype = otx_cpt_bind_vq_to_grp(cpt, vf, (u8)mbx.data);
if ((vftype != OTX_CPT_AE_TYPES) &&
(vftype != OTX_CPT_SE_TYPES)) {
- dev_err(dev, "VF%d binding to eng group %llu failed",
+ dev_err(dev, "VF%d binding to eng group %llu failed\n",
vf, mbx.data);
otx_cptpf_mbox_send_nack(cpt, vf, &mbx);
} else {
diff --git a/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c b/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c
index d04baa319592..fec8f3b9b112 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptpf_ucode.c
@@ -62,7 +62,7 @@ static struct otx_cpt_bitmap get_cores_bmap(struct device *dev,
int i;
if (eng_grp->g->engs_num > OTX_CPT_MAX_ENGINES) {
- dev_err(dev, "unsupported number of engines %d on octeontx",
+ dev_err(dev, "unsupported number of engines %d on octeontx\n",
eng_grp->g->engs_num);
return bmap;
}
@@ -78,7 +78,7 @@ static struct otx_cpt_bitmap get_cores_bmap(struct device *dev,
}
if (!found)
- dev_err(dev, "No engines reserved for engine group %d",
+ dev_err(dev, "No engines reserved for engine group %d\n",
eng_grp->idx);
return bmap;
}
@@ -306,7 +306,7 @@ static int process_tar_file(struct device *dev,
ucode_size = ntohl(ucode_hdr->code_length) * 2;
if (!ucode_size || (size < round_up(ucode_size, 16) +
sizeof(struct otx_cpt_ucode_hdr) + OTX_CPT_UCODE_SIGN_LEN)) {
- dev_err(dev, "Ucode %s invalid size", filename);
+ dev_err(dev, "Ucode %s invalid size\n", filename);
return -EINVAL;
}
@@ -379,18 +379,18 @@ static void print_tar_dbg_info(struct tar_arch_info_t *tar_arch,
{
struct tar_ucode_info_t *curr;
- pr_debug("Tar archive filename %s", tar_filename);
- pr_debug("Tar archive pointer %p, size %ld", tar_arch->fw->data,
+ pr_debug("Tar archive filename %s\n", tar_filename);
+ pr_debug("Tar archive pointer %p, size %ld\n", tar_arch->fw->data,
tar_arch->fw->size);
list_for_each_entry(curr, &tar_arch->ucodes, list) {
- pr_debug("Ucode filename %s", curr->ucode.filename);
- pr_debug("Ucode version string %s", curr->ucode.ver_str);
- pr_debug("Ucode version %d.%d.%d.%d",
+ pr_debug("Ucode filename %s\n", curr->ucode.filename);
+ pr_debug("Ucode version string %s\n", curr->ucode.ver_str);
+ pr_debug("Ucode version %d.%d.%d.%d\n",
curr->ucode.ver_num.nn, curr->ucode.ver_num.xx,
curr->ucode.ver_num.yy, curr->ucode.ver_num.zz);
- pr_debug("Ucode type (%d) %s", curr->ucode.type,
+ pr_debug("Ucode type (%d) %s\n", curr->ucode.type,
get_ucode_type_str(curr->ucode.type));
- pr_debug("Ucode size %d", curr->ucode.size);
+ pr_debug("Ucode size %d\n", curr->ucode.size);
pr_debug("Ucode ptr %p\n", curr->ucode_ptr);
}
}
@@ -417,14 +417,14 @@ static struct tar_arch_info_t *load_tar_archive(struct device *dev,
goto release_tar_arch;
if (tar_arch->fw->size < TAR_BLOCK_LEN) {
- dev_err(dev, "Invalid tar archive %s ", tar_filename);
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
goto release_tar_arch;
}
tar_size = tar_arch->fw->size;
tar_blk = (struct tar_blk_t *) tar_arch->fw->data;
if (strncmp(tar_blk->hdr.magic, TAR_MAGIC, TAR_MAGIC_LEN - 1)) {
- dev_err(dev, "Unsupported format of tar archive %s",
+ dev_err(dev, "Unsupported format of tar archive %s\n",
tar_filename);
goto release_tar_arch;
}
@@ -437,7 +437,7 @@ static struct tar_arch_info_t *load_tar_archive(struct device *dev,
if (tar_offs + cur_size > tar_size ||
tar_offs + 2*TAR_BLOCK_LEN > tar_size) {
- dev_err(dev, "Invalid tar archive %s ", tar_filename);
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
goto release_tar_arch;
}
@@ -458,7 +458,7 @@ static struct tar_arch_info_t *load_tar_archive(struct device *dev,
/* Check for the end of the archive */
if (tar_offs + 2*TAR_BLOCK_LEN > tar_size) {
- dev_err(dev, "Invalid tar archive %s ", tar_filename);
+ dev_err(dev, "Invalid tar archive %s\n", tar_filename);
goto release_tar_arch;
}
@@ -563,13 +563,13 @@ static void print_engs_info(struct otx_cpt_eng_grp_info *eng_grp,
static void print_ucode_dbg_info(struct otx_cpt_ucode *ucode)
{
- pr_debug("Ucode info");
- pr_debug("Ucode version string %s", ucode->ver_str);
- pr_debug("Ucode version %d.%d.%d.%d", ucode->ver_num.nn,
+ pr_debug("Ucode info\n");
+ pr_debug("Ucode version string %s\n", ucode->ver_str);
+ pr_debug("Ucode version %d.%d.%d.%d\n", ucode->ver_num.nn,
ucode->ver_num.xx, ucode->ver_num.yy, ucode->ver_num.zz);
- pr_debug("Ucode type %s", get_ucode_type_str(ucode->type));
- pr_debug("Ucode size %d", ucode->size);
- pr_debug("Ucode virt address %16.16llx", (u64)ucode->align_va);
+ pr_debug("Ucode type %s\n", get_ucode_type_str(ucode->type));
+ pr_debug("Ucode size %d\n", ucode->size);
+ pr_debug("Ucode virt address %16.16llx\n", (u64)ucode->align_va);
pr_debug("Ucode phys address %16.16llx\n", ucode->align_dma);
}
@@ -600,19 +600,19 @@ static void print_dbg_info(struct device *dev,
u32 mask[4];
int i, j;
- pr_debug("Engine groups global info");
- pr_debug("max SE %d, max AE %d",
+ pr_debug("Engine groups global info\n");
+ pr_debug("max SE %d, max AE %d\n",
eng_grps->avail.max_se_cnt, eng_grps->avail.max_ae_cnt);
- pr_debug("free SE %d", eng_grps->avail.se_cnt);
- pr_debug("free AE %d", eng_grps->avail.ae_cnt);
+ pr_debug("free SE %d\n", eng_grps->avail.se_cnt);
+ pr_debug("free AE %d\n", eng_grps->avail.ae_cnt);
for (i = 0; i < OTX_CPT_MAX_ENGINE_GROUPS; i++) {
grp = &eng_grps->grp[i];
- pr_debug("engine_group%d, state %s", i, grp->is_enabled ?
+ pr_debug("engine_group%d, state %s\n", i, grp->is_enabled ?
"enabled" : "disabled");
if (grp->is_enabled) {
mirrored_grp = &eng_grps->grp[grp->mirror.idx];
- pr_debug("Ucode0 filename %s, version %s",
+ pr_debug("Ucode0 filename %s, version %s\n",
grp->mirror.is_ena ?
mirrored_grp->ucode[0].filename :
grp->ucode[0].filename,
@@ -626,18 +626,18 @@ static void print_dbg_info(struct device *dev,
if (engs->type) {
print_engs_info(grp, engs_info,
2*OTX_CPT_UCODE_NAME_LENGTH, j);
- pr_debug("Slot%d: %s", j, engs_info);
+ pr_debug("Slot%d: %s\n", j, engs_info);
bitmap_to_arr32(mask, engs->bmap,
eng_grps->engs_num);
- pr_debug("Mask: %8.8x %8.8x %8.8x %8.8x",
+ pr_debug("Mask: %8.8x %8.8x %8.8x %8.8x\n",
mask[3], mask[2], mask[1], mask[0]);
} else
- pr_debug("Slot%d not used", j);
+ pr_debug("Slot%d not used\n", j);
}
if (grp->is_enabled) {
cpt_print_engines_mask(grp, dev, engs_mask,
OTX_CPT_UCODE_NAME_LENGTH);
- pr_debug("Cmask: %s", engs_mask);
+ pr_debug("Cmask: %s\n", engs_mask);
}
}
}
@@ -766,7 +766,7 @@ static int check_engines_availability(struct device *dev,
if (avail_cnt < req_eng->count) {
dev_err(dev,
- "Error available %s engines %d < than requested %d",
+ "Error available %s engines %d < than requested %d\n",
get_eng_type_str(req_eng->type),
avail_cnt, req_eng->count);
return -EBUSY;
@@ -867,7 +867,7 @@ static int copy_ucode_to_dma_mem(struct device *dev,
OTX_CPT_UCODE_ALIGNMENT,
&ucode->dma, GFP_KERNEL);
if (!ucode->va) {
- dev_err(dev, "Unable to allocate space for microcode");
+ dev_err(dev, "Unable to allocate space for microcode\n");
return -ENOMEM;
}
ucode->align_va = PTR_ALIGN(ucode->va, OTX_CPT_UCODE_ALIGNMENT);
@@ -905,15 +905,15 @@ static int ucode_load(struct device *dev, struct otx_cpt_ucode *ucode,
ucode->size = ntohl(ucode_hdr->code_length) * 2;
if (!ucode->size || (fw->size < round_up(ucode->size, 16)
+ sizeof(struct otx_cpt_ucode_hdr) + OTX_CPT_UCODE_SIGN_LEN)) {
- dev_err(dev, "Ucode %s invalid size", ucode_filename);
+ dev_err(dev, "Ucode %s invalid size\n", ucode_filename);
ret = -EINVAL;
goto release_fw;
}
ret = get_ucode_type(ucode_hdr, &ucode->type);
if (ret) {
- dev_err(dev, "Microcode %s unknown type 0x%x", ucode->filename,
- ucode->type);
+ dev_err(dev, "Microcode %s unknown type 0x%x\n",
+ ucode->filename, ucode->type);
goto release_fw;
}
@@ -1083,7 +1083,7 @@ static int eng_grp_update_masks(struct device *dev,
break;
default:
- dev_err(dev, "Invalid engine type %d", engs->type);
+ dev_err(dev, "Invalid engine type %d\n", engs->type);
return -EINVAL;
}
@@ -1142,13 +1142,14 @@ static int delete_engine_group(struct device *dev,
return -EINVAL;
if (eng_grp->mirror.ref_count) {
- dev_err(dev, "Can't delete engine_group%d as it is used by:",
+ dev_err(dev, "Can't delete engine_group%d as it is used by engine_group(s):",
eng_grp->idx);
for (i = 0; i < OTX_CPT_MAX_ENGINE_GROUPS; i++) {
if (eng_grp->g->grp[i].mirror.is_ena &&
eng_grp->g->grp[i].mirror.idx == eng_grp->idx)
- dev_err(dev, "engine_group%d", i);
+ pr_cont(" %d", i);
}
+ pr_cont("\n");
return -EINVAL;
}
@@ -1182,7 +1183,7 @@ static int validate_1_ucode_scenario(struct device *dev,
if (!otx_cpt_uc_supports_eng_type(&eng_grp->ucode[0],
engs[i].type)) {
dev_err(dev,
- "Microcode %s does not support %s engines",
+ "Microcode %s does not support %s engines\n",
eng_grp->ucode[0].filename,
get_eng_type_str(engs[i].type));
return -EINVAL;
@@ -1220,7 +1221,7 @@ static int create_engine_group(struct device *dev,
/* Validate if requested engine types are supported by this device */
for (i = 0; i < engs_cnt; i++)
if (!dev_supports_eng_type(eng_grps, engs[i].type)) {
- dev_err(dev, "Device does not support %s engines",
+ dev_err(dev, "Device does not support %s engines\n",
get_eng_type_str(engs[i].type));
return -EPERM;
}
@@ -1228,7 +1229,7 @@ static int create_engine_group(struct device *dev,
/* Find engine group which is not used */
eng_grp = find_unused_eng_grp(eng_grps);
if (!eng_grp) {
- dev_err(dev, "Error all engine groups are being used");
+ dev_err(dev, "Error all engine groups are being used\n");
return -ENOSPC;
}
@@ -1298,11 +1299,11 @@ static int create_engine_group(struct device *dev,
eng_grp->is_enabled = true;
if (eng_grp->mirror.is_ena)
dev_info(dev,
- "Engine_group%d: reuse microcode %s from group %d",
+ "Engine_group%d: reuse microcode %s from group %d\n",
eng_grp->idx, mirrored_eng_grp->ucode[0].ver_str,
mirrored_eng_grp->idx);
else
- dev_info(dev, "Engine_group%d: microcode loaded %s",
+ dev_info(dev, "Engine_group%d: microcode loaded %s\n",
eng_grp->idx, eng_grp->ucode[0].ver_str);
return 0;
@@ -1412,14 +1413,14 @@ static ssize_t ucode_load_store(struct device *dev,
} else {
if (del_grp_idx < 0 ||
del_grp_idx >= OTX_CPT_MAX_ENGINE_GROUPS) {
- dev_err(dev, "Invalid engine group index %d",
+ dev_err(dev, "Invalid engine group index %d\n",
del_grp_idx);
ret = -EINVAL;
return ret;
}
if (!eng_grps->grp[del_grp_idx].is_enabled) {
- dev_err(dev, "Error engine_group%d is not configured",
+ dev_err(dev, "Error engine_group%d is not configured\n",
del_grp_idx);
ret = -EINVAL;
return ret;
@@ -1568,7 +1569,7 @@ void otx_cpt_disable_all_cores(struct otx_cpt_device *cpt)
udelay(CSR_DELAY);
reg = readq(cpt->reg_base + OTX_CPT_PF_EXEC_BUSY);
if (timeout--) {
- dev_warn(&cpt->pdev->dev, "Cores still busy");
+ dev_warn(&cpt->pdev->dev, "Cores still busy\n");
break;
}
}
@@ -1626,7 +1627,7 @@ int otx_cpt_init_eng_grps(struct pci_dev *pdev,
eng_grps->avail.max_ae_cnt;
if (eng_grps->engs_num > OTX_CPT_MAX_ENGINES) {
dev_err(&pdev->dev,
- "Number of engines %d > than max supported %d",
+ "Number of engines %d > than max supported %d\n",
eng_grps->engs_num, OTX_CPT_MAX_ENGINES);
ret = -EINVAL;
goto err;
diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c b/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c
index 06202bcffb33..60e744f680d3 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptvf_algs.c
@@ -1660,7 +1660,7 @@ int otx_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
case OTX_CPT_SE_TYPES:
count = atomic_read(&se_devices.count);
if (count >= CPT_MAX_VF_NUM) {
- dev_err(&pdev->dev, "No space to add a new device");
+ dev_err(&pdev->dev, "No space to add a new device\n");
ret = -ENOSPC;
goto err;
}
@@ -1687,7 +1687,7 @@ int otx_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
case OTX_CPT_AE_TYPES:
count = atomic_read(&ae_devices.count);
if (count >= CPT_MAX_VF_NUM) {
- dev_err(&pdev->dev, "No space to a add new device");
+ dev_err(&pdev->dev, "No space to a add new device\n");
ret = -ENOSPC;
goto err;
}
@@ -1728,7 +1728,7 @@ void otx_cpt_crypto_exit(struct pci_dev *pdev, struct module *mod,
}
if (!dev_found) {
- dev_err(&pdev->dev, "%s device not found", __func__);
+ dev_err(&pdev->dev, "%s device not found\n", __func__);
goto exit;
}
diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_main.c b/drivers/crypto/marvell/octeontx/otx_cptvf_main.c
index a91860b5dc77..ce3168327a39 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptvf_main.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptvf_main.c
@@ -584,7 +584,7 @@ static irqreturn_t cptvf_done_intr_handler(int __always_unused irq,
cptvf_write_vq_done_ack(cptvf, intr);
wqe = get_cptvf_vq_wqe(cptvf, 0);
if (unlikely(!wqe)) {
- dev_err(&pdev->dev, "No work to schedule for VF (%d)",
+ dev_err(&pdev->dev, "No work to schedule for VF (%d)\n",
cptvf->vfid);
return IRQ_NONE;
}
@@ -602,7 +602,7 @@ static void cptvf_set_irq_affinity(struct otx_cptvf *cptvf, int vec)
if (!zalloc_cpumask_var(&cptvf->affinity_mask[vec],
GFP_KERNEL)) {
dev_err(&pdev->dev,
- "Allocation failed for affinity_mask for VF %d",
+ "Allocation failed for affinity_mask for VF %d\n",
cptvf->vfid);
return;
}
@@ -691,7 +691,7 @@ static ssize_t vf_engine_group_store(struct device *dev,
return -EINVAL;
if (val >= OTX_CPT_MAX_ENGINE_GROUPS) {
- dev_err(dev, "Engine group >= than max available groups %d",
+ dev_err(dev, "Engine group >= than max available groups %d\n",
OTX_CPT_MAX_ENGINE_GROUPS);
return -EINVAL;
}
@@ -837,7 +837,7 @@ static int otx_cptvf_probe(struct pci_dev *pdev,
cptvf_misc_intr_handler, 0, "CPT VF misc intr",
cptvf);
if (err) {
- dev_err(dev, "Failed to request misc irq");
+ dev_err(dev, "Failed to request misc irq\n");
goto free_vectors;
}
@@ -854,7 +854,7 @@ static int otx_cptvf_probe(struct pci_dev *pdev,
cptvf->cqinfo.qchunksize = OTX_CPT_CMD_QCHUNK_SIZE;
err = cptvf_sw_init(cptvf, OTX_CPT_CMD_QLEN, OTX_CPT_NUM_QS_PER_VF);
if (err) {
- dev_err(dev, "cptvf_sw_init() failed");
+ dev_err(dev, "cptvf_sw_init() failed\n");
goto free_misc_irq;
}
/* Convey VQ LEN to PF */
@@ -946,7 +946,7 @@ static void otx_cptvf_remove(struct pci_dev *pdev)
/* Convey DOWN to PF */
if (otx_cptvf_send_vf_down(cptvf)) {
- dev_err(&pdev->dev, "PF not responding to DOWN msg");
+ dev_err(&pdev->dev, "PF not responding to DOWN msg\n");
} else {
sysfs_remove_group(&pdev->dev.kobj, &otx_cptvf_sysfs_group);
otx_cpt_crypto_exit(pdev, THIS_MODULE, cptvf->vftype);
diff --git a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c
index df839b880354..239195cccf93 100644
--- a/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c
+++ b/drivers/crypto/marvell/octeontx/otx_cptvf_reqmgr.c
@@ -314,7 +314,7 @@ static int process_request(struct pci_dev *pdev, struct otx_cpt_req_info *req,
GFP_ATOMIC;
ret = setup_sgio_list(pdev, &info, req, gfp);
if (unlikely(ret)) {
- dev_err(&pdev->dev, "Setting up SG list failed");
+ dev_err(&pdev->dev, "Setting up SG list failed\n");
goto request_cleanup;
}
cpt_req->dlen = info->dlen;
@@ -410,17 +410,17 @@ int otx_cpt_do_request(struct pci_dev *pdev, struct otx_cpt_req_info *req,
struct otx_cptvf *cptvf = pci_get_drvdata(pdev);
if (!otx_cpt_device_ready(cptvf)) {
- dev_err(&pdev->dev, "CPT Device is not ready");
+ dev_err(&pdev->dev, "CPT Device is not ready\n");
return -ENODEV;
}
if ((cptvf->vftype == OTX_CPT_SE_TYPES) && (!req->ctrl.s.se_req)) {
- dev_err(&pdev->dev, "CPTVF-%d of SE TYPE got AE request",
+ dev_err(&pdev->dev, "CPTVF-%d of SE TYPE got AE request\n",
cptvf->vfid);
return -EINVAL;
} else if ((cptvf->vftype == OTX_CPT_AE_TYPES) &&
(req->ctrl.s.se_req)) {
- dev_err(&pdev->dev, "CPTVF-%d of AE TYPE got SE request",
+ dev_err(&pdev->dev, "CPTVF-%d of AE TYPE got SE request\n",
cptvf->vfid);
return -EINVAL;
}
@@ -461,7 +461,7 @@ static int cpt_process_ccode(struct pci_dev *pdev,
/* check for timeout */
if (time_after_eq(jiffies, cpt_info->time_in +
OTX_CPT_COMMAND_TIMEOUT * HZ))
- dev_warn(&pdev->dev, "Request timed out 0x%p", req);
+ dev_warn(&pdev->dev, "Request timed out 0x%p\n", req);
else if (cpt_info->extra_time < OTX_CPT_TIME_IN_RESET_COUNT) {
cpt_info->time_in = jiffies;
cpt_info->extra_time++;
diff --git a/drivers/crypto/mediatek/mtk-sha.c b/drivers/crypto/mediatek/mtk-sha.c
index bd6309e57ab8..da3f0b8814aa 100644
--- a/drivers/crypto/mediatek/mtk-sha.c
+++ b/drivers/crypto/mediatek/mtk-sha.c
@@ -805,12 +805,9 @@ static int mtk_sha_setkey(struct crypto_ahash *tfm, const u8 *key,
size_t ds = crypto_shash_digestsize(bctx->shash);
int err, i;
- SHASH_DESC_ON_STACK(shash, bctx->shash);
-
- shash->tfm = bctx->shash;
-
if (keylen > bs) {
- err = crypto_shash_digest(shash, key, keylen, bctx->ipad);
+ err = crypto_shash_tfm_digest(bctx->shash, key, keylen,
+ bctx->ipad);
if (err)
return err;
keylen = ds;
diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c
index f5c468f2cc82..6a828bbecea4 100644
--- a/drivers/crypto/n2_core.c
+++ b/drivers/crypto/n2_core.c
@@ -462,7 +462,6 @@ static int n2_hmac_async_setkey(struct crypto_ahash *tfm, const u8 *key,
struct n2_hmac_ctx *ctx = crypto_ahash_ctx(tfm);
struct crypto_shash *child_shash = ctx->child_shash;
struct crypto_ahash *fallback_tfm;
- SHASH_DESC_ON_STACK(shash, child_shash);
int err, bs, ds;
fallback_tfm = ctx->base.fallback_tfm;
@@ -470,14 +469,12 @@ static int n2_hmac_async_setkey(struct crypto_ahash *tfm, const u8 *key,
if (err)
return err;
- shash->tfm = child_shash;
-
bs = crypto_shash_blocksize(child_shash);
ds = crypto_shash_digestsize(child_shash);
BUG_ON(ds > N2_HASH_KEY_MAX);
if (keylen > bs) {
- err = crypto_shash_digest(shash, key, keylen,
- ctx->hash_key);
+ err = crypto_shash_tfm_digest(child_shash, key, keylen,
+ ctx->hash_key);
if (err)
return err;
keylen = ds;
diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index e4072cd38585..063ad5d03f33 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -33,7 +33,6 @@
#include <linux/of_irq.h>
#include <linux/delay.h>
#include <linux/crypto.h>
-#include <linux/cryptohash.h>
#include <crypto/scatterwalk.h>
#include <crypto/algapi.h>
#include <crypto/sha.h>
@@ -1245,16 +1244,6 @@ static int omap_sham_update(struct ahash_request *req)
return omap_sham_enqueue(req, OP_UPDATE);
}
-static int omap_sham_shash_digest(struct crypto_shash *tfm, u32 flags,
- const u8 *data, unsigned int len, u8 *out)
-{
- SHASH_DESC_ON_STACK(shash, tfm);
-
- shash->tfm = tfm;
-
- return crypto_shash_digest(shash, data, len, out);
-}
-
static int omap_sham_final_shash(struct ahash_request *req)
{
struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
@@ -1270,9 +1259,8 @@ static int omap_sham_final_shash(struct ahash_request *req)
!test_bit(FLAGS_AUTO_XOR, &ctx->dd->flags))
offset = get_block_size(ctx);
- return omap_sham_shash_digest(tctx->fallback, req->base.flags,
- ctx->buffer + offset,
- ctx->bufcnt - offset, req->result);
+ return crypto_shash_tfm_digest(tctx->fallback, ctx->buffer + offset,
+ ctx->bufcnt - offset, req->result);
}
static int omap_sham_final(struct ahash_request *req)
@@ -1351,9 +1339,8 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,
return err;
if (keylen > bs) {
- err = omap_sham_shash_digest(bctx->shash,
- crypto_shash_get_flags(bctx->shash),
- key, keylen, bctx->ipad);
+ err = crypto_shash_tfm_digest(bctx->shash, key, keylen,
+ bctx->ipad);
if (err)
return err;
keylen = ds;
diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
index 2a16800d2579..341433fbcc4a 100644
--- a/drivers/crypto/s5p-sss.c
+++ b/drivers/crypto/s5p-sss.c
@@ -1521,37 +1521,6 @@ static int s5p_hash_update(struct ahash_request *req)
}
/**
- * s5p_hash_shash_digest() - calculate shash digest
- * @tfm: crypto transformation
- * @flags: tfm flags
- * @data: input data
- * @len: length of data
- * @out: output buffer
- */
-static int s5p_hash_shash_digest(struct crypto_shash *tfm, u32 flags,
- const u8 *data, unsigned int len, u8 *out)
-{
- SHASH_DESC_ON_STACK(shash, tfm);
-
- shash->tfm = tfm;
-
- return crypto_shash_digest(shash, data, len, out);
-}
-
-/**
- * s5p_hash_final_shash() - calculate shash digest
- * @req: AHASH request
- */
-static int s5p_hash_final_shash(struct ahash_request *req)
-{
- struct s5p_hash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
- struct s5p_hash_reqctx *ctx = ahash_request_ctx(req);
-
- return s5p_hash_shash_digest(tctx->fallback, req->base.flags,
- ctx->buffer, ctx->bufcnt, req->result);
-}
-
-/**
* s5p_hash_final() - close up hash and calculate digest
* @req: AHASH request
*
@@ -1582,8 +1551,12 @@ static int s5p_hash_final(struct ahash_request *req)
if (ctx->error)
return -EINVAL; /* uncompleted hash is not needed */
- if (!ctx->digcnt && ctx->bufcnt < BUFLEN)
- return s5p_hash_final_shash(req);
+ if (!ctx->digcnt && ctx->bufcnt < BUFLEN) {
+ struct s5p_hash_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
+
+ return crypto_shash_tfm_digest(tctx->fallback, ctx->buffer,
+ ctx->bufcnt, req->result);
+ }
return s5p_hash_enqueue(req, false); /* HASH_OP_FINAL */
}
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c
index 8e92e4ac79f1..3ba41148c2a4 100644
--- a/drivers/crypto/stm32/stm32-crc32.c
+++ b/drivers/crypto/stm32/stm32-crc32.c
@@ -28,18 +28,23 @@
/* Registers values */
#define CRC_CR_RESET BIT(0)
-#define CRC_CR_REVERSE (BIT(7) | BIT(6) | BIT(5))
-#define CRC_INIT_DEFAULT 0xFFFFFFFF
+#define CRC_CR_REV_IN_WORD (BIT(6) | BIT(5))
+#define CRC_CR_REV_IN_BYTE BIT(5)
+#define CRC_CR_REV_OUT BIT(7)
+#define CRC32C_INIT_DEFAULT 0xFFFFFFFF
#define CRC_AUTOSUSPEND_DELAY 50
+static unsigned int burst_size;
+module_param(burst_size, uint, 0644);
+MODULE_PARM_DESC(burst_size, "Select burst byte size (0 unlimited)");
+
struct stm32_crc {
struct list_head list;
struct device *dev;
void __iomem *regs;
struct clk *clk;
- u8 pending_data[sizeof(u32)];
- size_t nb_pending_bytes;
+ spinlock_t lock;
};
struct stm32_crc_list {
@@ -59,14 +64,13 @@ struct stm32_crc_ctx {
struct stm32_crc_desc_ctx {
u32 partial; /* crc32c: partial in first 4 bytes of that struct */
- struct stm32_crc *crc;
};
static int stm32_crc32_cra_init(struct crypto_tfm *tfm)
{
struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);
- mctx->key = CRC_INIT_DEFAULT;
+ mctx->key = 0;
mctx->poly = CRC32_POLY_LE;
return 0;
}
@@ -75,7 +79,7 @@ static int stm32_crc32c_cra_init(struct crypto_tfm *tfm)
{
struct stm32_crc_ctx *mctx = crypto_tfm_ctx(tfm);
- mctx->key = CRC_INIT_DEFAULT;
+ mctx->key = CRC32C_INIT_DEFAULT;
mctx->poly = CRC32C_POLY_LE;
return 0;
}
@@ -92,87 +96,135 @@ static int stm32_crc_setkey(struct crypto_shash *tfm, const u8 *key,
return 0;
}
+static struct stm32_crc *stm32_crc_get_next_crc(void)
+{
+ struct stm32_crc *crc;
+
+ spin_lock_bh(&crc_list.lock);
+ crc = list_first_entry(&crc_list.dev_list, struct stm32_crc, list);
+ if (crc)
+ list_move_tail(&crc->list, &crc_list.dev_list);
+ spin_unlock_bh(&crc_list.lock);
+
+ return crc;
+}
+
static int stm32_crc_init(struct shash_desc *desc)
{
struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc);
struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);
struct stm32_crc *crc;
+ unsigned long flags;
- spin_lock_bh(&crc_list.lock);
- list_for_each_entry(crc, &crc_list.dev_list, list) {
- ctx->crc = crc;
- break;
- }
- spin_unlock_bh(&crc_list.lock);
+ crc = stm32_crc_get_next_crc();
+ if (!crc)
+ return -ENODEV;
+
+ pm_runtime_get_sync(crc->dev);
- pm_runtime_get_sync(ctx->crc->dev);
+ spin_lock_irqsave(&crc->lock, flags);
/* Reset, set key, poly and configure in bit reverse mode */
- writel_relaxed(bitrev32(mctx->key), ctx->crc->regs + CRC_INIT);
- writel_relaxed(bitrev32(mctx->poly), ctx->crc->regs + CRC_POL);
- writel_relaxed(CRC_CR_RESET | CRC_CR_REVERSE, ctx->crc->regs + CRC_CR);
+ writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT);
+ writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL);
+ writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
+ crc->regs + CRC_CR);
/* Store partial result */
- ctx->partial = readl_relaxed(ctx->crc->regs + CRC_DR);
- ctx->crc->nb_pending_bytes = 0;
+ ctx->partial = readl_relaxed(crc->regs + CRC_DR);
- pm_runtime_mark_last_busy(ctx->crc->dev);
- pm_runtime_put_autosuspend(ctx->crc->dev);
+ spin_unlock_irqrestore(&crc->lock, flags);
+
+ pm_runtime_mark_last_busy(crc->dev);
+ pm_runtime_put_autosuspend(crc->dev);
return 0;
}
-static int stm32_crc_update(struct shash_desc *desc, const u8 *d8,
- unsigned int length)
+static int burst_update(struct shash_desc *desc, const u8 *d8,
+ size_t length)
{
struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc);
- struct stm32_crc *crc = ctx->crc;
- u32 *d32;
- unsigned int i;
+ struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm);
+ struct stm32_crc *crc;
+ unsigned long flags;
+
+ crc = stm32_crc_get_next_crc();
+ if (!crc)
+ return -ENODEV;
pm_runtime_get_sync(crc->dev);
- if (unlikely(crc->nb_pending_bytes)) {
- while (crc->nb_pending_bytes != sizeof(u32) && length) {
- /* Fill in pending data */
- crc->pending_data[crc->nb_pending_bytes++] = *(d8++);
+ spin_lock_irqsave(&crc->lock, flags);
+
+ /*
+ * Restore previously calculated CRC for this context as init value
+ * Restore polynomial configuration
+ * Configure in register for word input data,
+ * Configure out register in reversed bit mode data.
+ */
+ writel_relaxed(bitrev32(ctx->partial), crc->regs + CRC_INIT);
+ writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL);
+ writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
+ crc->regs + CRC_CR);
+
+ if (d8 != PTR_ALIGN(d8, sizeof(u32))) {
+ /* Configure for byte data */
+ writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT,
+ crc->regs + CRC_CR);
+ while (d8 != PTR_ALIGN(d8, sizeof(u32)) && length) {
+ writeb_relaxed(*d8++, crc->regs + CRC_DR);
length--;
}
-
- if (crc->nb_pending_bytes == sizeof(u32)) {
- /* Process completed pending data */
- writel_relaxed(*(u32 *)crc->pending_data,
- crc->regs + CRC_DR);
- crc->nb_pending_bytes = 0;
- }
+ /* Configure for word data */
+ writel_relaxed(CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT,
+ crc->regs + CRC_CR);
}
- d32 = (u32 *)d8;
- for (i = 0; i < length >> 2; i++)
- /* Process 32 bits data */
- writel_relaxed(*(d32++), crc->regs + CRC_DR);
+ for (; length >= sizeof(u32); d8 += sizeof(u32), length -= sizeof(u32))
+ writel_relaxed(*((u32 *)d8), crc->regs + CRC_DR);
+
+ if (length) {
+ /* Configure for byte data */
+ writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT,
+ crc->regs + CRC_CR);
+ while (length--)
+ writeb_relaxed(*d8++, crc->regs + CRC_DR);
+ }
/* Store partial result */
ctx->partial = readl_relaxed(crc->regs + CRC_DR);
+ spin_unlock_irqrestore(&crc->lock, flags);
+
pm_runtime_mark_last_busy(crc->dev);
pm_runtime_put_autosuspend(crc->dev);
- /* Check for pending data (non 32 bits) */
- length &= 3;
- if (likely(!length))
- return 0;
+ return 0;
+}
- if ((crc->nb_pending_bytes + length) >= sizeof(u32)) {
- /* Shall not happen */
- dev_err(crc->dev, "Pending data overflow\n");
- return -EINVAL;
- }
+static int stm32_crc_update(struct shash_desc *desc, const u8 *d8,
+ unsigned int length)
+{
+ const unsigned int burst_sz = burst_size;
+ unsigned int rem_sz;
+ const u8 *cur;
+ size_t size;
+ int ret;
- d8 = (const u8 *)d32;
- for (i = 0; i < length; i++)
- /* Store pending data */
- crc->pending_data[crc->nb_pending_bytes++] = *(d8++);
+ if (!burst_sz)
+ return burst_update(desc, d8, length);
+
+ /* Digest first bytes not 32bit aligned at first pass in the loop */
+ size = min(length,
+ burst_sz + (unsigned int)d8 - ALIGN_DOWN((unsigned int)d8,
+ sizeof(u32)));
+ for (rem_sz = length, cur = d8; rem_sz;
+ rem_sz -= size, cur += size, size = min(rem_sz, burst_sz)) {
+ ret = burst_update(desc, cur, size);
+ if (ret)
+ return ret;
+ }
return 0;
}
@@ -202,6 +254,8 @@ static int stm32_crc_digest(struct shash_desc *desc, const u8 *data,
return stm32_crc_init(desc) ?: stm32_crc_finup(desc, data, length, out);
}
+static unsigned int refcnt;
+static DEFINE_MUTEX(refcnt_lock);
static struct shash_alg algs[] = {
/* CRC-32 */
{
@@ -284,20 +338,29 @@ static int stm32_crc_probe(struct platform_device *pdev)
pm_runtime_get_noresume(dev);
pm_runtime_set_active(dev);
+ pm_runtime_irq_safe(dev);
pm_runtime_enable(dev);
+ spin_lock_init(&crc->lock);
+
platform_set_drvdata(pdev, crc);
spin_lock(&crc_list.lock);
list_add(&crc->list, &crc_list.dev_list);
spin_unlock(&crc_list.lock);
- ret = crypto_register_shashes(algs, ARRAY_SIZE(algs));
- if (ret) {
- dev_err(dev, "Failed to register\n");
- clk_disable_unprepare(crc->clk);
- return ret;
+ mutex_lock(&refcnt_lock);
+ if (!refcnt) {
+ ret = crypto_register_shashes(algs, ARRAY_SIZE(algs));
+ if (ret) {
+ mutex_unlock(&refcnt_lock);
+ dev_err(dev, "Failed to register\n");
+ clk_disable_unprepare(crc->clk);
+ return ret;
+ }
}
+ refcnt++;
+ mutex_unlock(&refcnt_lock);
dev_info(dev, "Initialized\n");
@@ -318,7 +381,10 @@ static int stm32_crc_remove(struct platform_device *pdev)
list_del(&crc->list);
spin_unlock(&crc_list.lock);
- crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
+ mutex_lock(&refcnt_lock);
+ if (!--refcnt)
+ crypto_unregister_shashes(algs, ARRAY_SIZE(algs));
+ mutex_unlock(&refcnt_lock);
pm_runtime_disable(crc->dev);
pm_runtime_put_noidle(crc->dev);
@@ -328,34 +394,60 @@ static int stm32_crc_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM
-static int stm32_crc_runtime_suspend(struct device *dev)
+static int __maybe_unused stm32_crc_suspend(struct device *dev)
{
struct stm32_crc *crc = dev_get_drvdata(dev);
+ int ret;
- clk_disable_unprepare(crc->clk);
+ ret = pm_runtime_force_suspend(dev);
+ if (ret)
+ return ret;
+
+ clk_unprepare(crc->clk);
return 0;
}
-static int stm32_crc_runtime_resume(struct device *dev)
+static int __maybe_unused stm32_crc_resume(struct device *dev)
{
struct stm32_crc *crc = dev_get_drvdata(dev);
int ret;
- ret = clk_prepare_enable(crc->clk);
+ ret = clk_prepare(crc->clk);
if (ret) {
- dev_err(crc->dev, "Failed to prepare_enable clock\n");
+ dev_err(crc->dev, "Failed to prepare clock\n");
+ return ret;
+ }
+
+ return pm_runtime_force_resume(dev);
+}
+
+static int __maybe_unused stm32_crc_runtime_suspend(struct device *dev)
+{
+ struct stm32_crc *crc = dev_get_drvdata(dev);
+
+ clk_disable(crc->clk);
+
+ return 0;
+}
+
+static int __maybe_unused stm32_crc_runtime_resume(struct device *dev)
+{
+ struct stm32_crc *crc = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_enable(crc->clk);
+ if (ret) {
+ dev_err(crc->dev, "Failed to enable clock\n");
return ret;
}
return 0;
}
-#endif
static const struct dev_pm_ops stm32_crc_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
+ SET_SYSTEM_SLEEP_PM_OPS(stm32_crc_suspend,
+ stm32_crc_resume)
SET_RUNTIME_PM_OPS(stm32_crc_runtime_suspend,
stm32_crc_runtime_resume, NULL)
};
diff --git a/drivers/crypto/stm32/stm32-hash.c b/drivers/crypto/stm32/stm32-hash.c
index 167b80eec437..03c5e6683805 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -507,6 +507,7 @@ static int stm32_hash_hmac_dma_send(struct stm32_hash_dev *hdev)
static int stm32_hash_dma_init(struct stm32_hash_dev *hdev)
{
struct dma_slave_config dma_conf;
+ struct dma_chan *chan;
int err;
memset(&dma_conf, 0, sizeof(dma_conf));
@@ -518,11 +519,11 @@ static int stm32_hash_dma_init(struct stm32_hash_dev *hdev)
dma_conf.dst_maxburst = hdev->dma_maxburst;
dma_conf.device_fc = false;
- hdev->dma_lch = dma_request_chan(hdev->dev, "in");
- if (IS_ERR(hdev->dma_lch)) {
- dev_err(hdev->dev, "Couldn't acquire a slave DMA channel.\n");
- return PTR_ERR(hdev->dma_lch);
- }
+ chan = dma_request_chan(hdev->dev, "in");
+ if (IS_ERR(chan))
+ return PTR_ERR(chan);
+
+ hdev->dma_lch = chan;
err = dmaengine_slave_config(hdev->dma_lch, &dma_conf);
if (err) {
@@ -1463,8 +1464,11 @@ static int stm32_hash_probe(struct platform_device *pdev)
hdev->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(hdev->clk)) {
- dev_err(dev, "failed to get clock for hash (%lu)\n",
- PTR_ERR(hdev->clk));
+ if (PTR_ERR(hdev->clk) != -EPROBE_DEFER) {
+ dev_err(dev, "failed to get clock for hash (%lu)\n",
+ PTR_ERR(hdev->clk));
+ }
+
return PTR_ERR(hdev->clk);
}
@@ -1482,7 +1486,12 @@ static int stm32_hash_probe(struct platform_device *pdev)
pm_runtime_enable(dev);
hdev->rst = devm_reset_control_get(&pdev->dev, NULL);
- if (!IS_ERR(hdev->rst)) {
+ if (IS_ERR(hdev->rst)) {
+ if (PTR_ERR(hdev->rst) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_reset;
+ }
+ } else {
reset_control_assert(hdev->rst);
udelay(2);
reset_control_deassert(hdev->rst);
@@ -1493,8 +1502,15 @@ static int stm32_hash_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, hdev);
ret = stm32_hash_dma_init(hdev);
- if (ret)
+ switch (ret) {
+ case 0:
+ break;
+ case -ENOENT:
dev_dbg(dev, "DMA mode not available\n");
+ break;
+ default:
+ goto err_dma;
+ }
spin_lock(&stm32_hash.lock);
list_add_tail(&hdev->list, &stm32_hash.dev_list);
@@ -1532,10 +1548,10 @@ err_engine:
spin_lock(&stm32_hash.lock);
list_del(&hdev->list);
spin_unlock(&stm32_hash.lock);
-
+err_dma:
if (hdev->dma_lch)
dma_release_channel(hdev->dma_lch);
-
+err_reset:
pm_runtime_disable(dev);
pm_runtime_put_noidle(dev);
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index 1af823b2fe6b..4c0af2eb7e19 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -377,6 +377,7 @@ static int dax_open(struct inode *inode, struct file *filp)
inode->i_mapping->a_ops = &dev_dax_aops;
filp->f_mapping = inode->i_mapping;
filp->f_wb_err = filemap_sample_wb_err(filp->f_mapping);
+ filp->f_sb_err = file_sample_sb_err(filp);
filp->private_data = dev_dax;
inode->i_flags = S_DAX;
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
index 3d0a7e702c94..1e678bdf5aed 100644
--- a/drivers/dax/kmem.c
+++ b/drivers/dax/kmem.c
@@ -22,6 +22,7 @@ int dev_dax_kmem_probe(struct device *dev)
resource_size_t kmem_size;
resource_size_t kmem_end;
struct resource *new_res;
+ const char *new_res_name;
int numa_node;
int rc;
@@ -48,11 +49,16 @@ int dev_dax_kmem_probe(struct device *dev)
kmem_size &= ~(memory_block_size_bytes() - 1);
kmem_end = kmem_start + kmem_size;
- /* Region is permanently reserved. Hot-remove not yet implemented. */
- new_res = request_mem_region(kmem_start, kmem_size, dev_name(dev));
+ new_res_name = kstrdup(dev_name(dev), GFP_KERNEL);
+ if (!new_res_name)
+ return -ENOMEM;
+
+ /* Region is permanently reserved if hotremove fails. */
+ new_res = request_mem_region(kmem_start, kmem_size, new_res_name);
if (!new_res) {
dev_warn(dev, "could not reserve region [%pa-%pa]\n",
&kmem_start, &kmem_end);
+ kfree(new_res_name);
return -EBUSY;
}
@@ -63,12 +69,12 @@ int dev_dax_kmem_probe(struct device *dev)
* unknown to us that will break add_memory() below.
*/
new_res->flags = IORESOURCE_SYSTEM_RAM;
- new_res->name = dev_name(dev);
rc = add_memory(numa_node, new_res->start, resource_size(new_res));
if (rc) {
release_resource(new_res);
kfree(new_res);
+ kfree(new_res_name);
return rc;
}
dev_dax->dax_kmem_res = new_res;
@@ -83,6 +89,7 @@ static int dev_dax_kmem_remove(struct device *dev)
struct resource *res = dev_dax->dax_kmem_res;
resource_size_t kmem_start = res->start;
resource_size_t kmem_size = resource_size(res);
+ const char *res_name = res->name;
int rc;
/*
@@ -102,6 +109,7 @@ static int dev_dax_kmem_remove(struct device *dev)
/* Release and free dax resources */
release_resource(res);
kfree(res);
+ kfree(res_name);
dev_dax->dax_kmem_res = NULL;
return 0;
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index 0b1df12e0f21..37dc40d1fcfb 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -91,6 +91,14 @@ config ARM_EXYNOS_BUS_DEVFREQ
and adjusts the operating frequencies and voltages with OPP support.
This does not yet operate with optimal voltages.
+config ARM_IMX_BUS_DEVFREQ
+ tristate "i.MX Generic Bus DEVFREQ Driver"
+ depends on ARCH_MXC || COMPILE_TEST
+ select DEVFREQ_GOV_USERSPACE
+ help
+ This adds the generic DEVFREQ driver for i.MX interconnects. It
+ allows adjusting NIC/NOC frequency.
+
config ARM_IMX8M_DDRC_DEVFREQ
tristate "i.MX8M DDRC DEVFREQ Driver"
depends on (ARCH_MXC && HAVE_ARM_SMCCC) || \
diff --git a/drivers/devfreq/Makefile b/drivers/devfreq/Makefile
index 3eb4d5e6635c..3ca1ad0ecb97 100644
--- a/drivers/devfreq/Makefile
+++ b/drivers/devfreq/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_DEVFREQ_GOV_PASSIVE) += governor_passive.o
# DEVFREQ Drivers
obj-$(CONFIG_ARM_EXYNOS_BUS_DEVFREQ) += exynos-bus.o
+obj-$(CONFIG_ARM_IMX_BUS_DEVFREQ) += imx-bus.o
obj-$(CONFIG_ARM_IMX8M_DDRC_DEVFREQ) += imx8m-ddrc.o
obj-$(CONFIG_ARM_RK3399_DMC_DEVFREQ) += rk3399_dmc.o
obj-$(CONFIG_ARM_TEGRA_DEVFREQ) += tegra30-devfreq.o
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 6fecd11dafdd..52b9c3e141f3 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -60,12 +60,12 @@ static struct devfreq *find_device_devfreq(struct device *dev)
{
struct devfreq *tmp_devfreq;
+ lockdep_assert_held(&devfreq_list_lock);
+
if (IS_ERR_OR_NULL(dev)) {
pr_err("DEVFREQ: %s: Invalid parameters\n", __func__);
return ERR_PTR(-EINVAL);
}
- WARN(!mutex_is_locked(&devfreq_list_lock),
- "devfreq_list_lock must be locked.");
list_for_each_entry(tmp_devfreq, &devfreq_list, node) {
if (tmp_devfreq->dev.parent == dev)
@@ -258,12 +258,12 @@ static struct devfreq_governor *find_devfreq_governor(const char *name)
{
struct devfreq_governor *tmp_governor;
+ lockdep_assert_held(&devfreq_list_lock);
+
if (IS_ERR_OR_NULL(name)) {
pr_err("DEVFREQ: %s: Invalid parameters\n", __func__);
return ERR_PTR(-EINVAL);
}
- WARN(!mutex_is_locked(&devfreq_list_lock),
- "devfreq_list_lock must be locked.");
list_for_each_entry(tmp_governor, &devfreq_governor_list, node) {
if (!strncmp(tmp_governor->name, name, DEVFREQ_NAME_LEN))
@@ -289,12 +289,12 @@ static struct devfreq_governor *try_then_request_governor(const char *name)
struct devfreq_governor *governor;
int err = 0;
+ lockdep_assert_held(&devfreq_list_lock);
+
if (IS_ERR_OR_NULL(name)) {
pr_err("DEVFREQ: %s: Invalid parameters\n", __func__);
return ERR_PTR(-EINVAL);
}
- WARN(!mutex_is_locked(&devfreq_list_lock),
- "devfreq_list_lock must be locked.");
governor = find_devfreq_governor(name);
if (IS_ERR(governor)) {
@@ -392,10 +392,7 @@ int update_devfreq(struct devfreq *devfreq)
int err = 0;
u32 flags = 0;
- if (!mutex_is_locked(&devfreq->lock)) {
- WARN(true, "devfreq->lock must be locked by the caller.\n");
- return -EINVAL;
- }
+ lockdep_assert_held(&devfreq->lock);
if (!devfreq->governor)
return -EINVAL;
@@ -768,7 +765,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
devfreq->dev.release = devfreq_dev_release;
INIT_LIST_HEAD(&devfreq->node);
devfreq->profile = profile;
- strncpy(devfreq->governor_name, governor_name, DEVFREQ_NAME_LEN);
+ strscpy(devfreq->governor_name, governor_name, DEVFREQ_NAME_LEN);
devfreq->previous_freq = profile->initial_freq;
devfreq->last_status.current_frequency = profile->initial_freq;
devfreq->data = data;
diff --git a/drivers/devfreq/imx-bus.c b/drivers/devfreq/imx-bus.c
new file mode 100644
index 000000000000..4f38455ad742
--- /dev/null
+++ b/drivers/devfreq/imx-bus.c
@@ -0,0 +1,179 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <linux/clk.h>
+#include <linux/devfreq.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/pm_opp.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+struct imx_bus {
+ struct devfreq_dev_profile profile;
+ struct devfreq *devfreq;
+ struct clk *clk;
+ struct platform_device *icc_pdev;
+};
+
+static int imx_bus_target(struct device *dev,
+ unsigned long *freq, u32 flags)
+{
+ struct dev_pm_opp *new_opp;
+ int ret;
+
+ new_opp = devfreq_recommended_opp(dev, freq, flags);
+ if (IS_ERR(new_opp)) {
+ ret = PTR_ERR(new_opp);
+ dev_err(dev, "failed to get recommended opp: %d\n", ret);
+ return ret;
+ }
+ dev_pm_opp_put(new_opp);
+
+ return dev_pm_opp_set_rate(dev, *freq);
+}
+
+static int imx_bus_get_cur_freq(struct device *dev, unsigned long *freq)
+{
+ struct imx_bus *priv = dev_get_drvdata(dev);
+
+ *freq = clk_get_rate(priv->clk);
+
+ return 0;
+}
+
+static int imx_bus_get_dev_status(struct device *dev,
+ struct devfreq_dev_status *stat)
+{
+ struct imx_bus *priv = dev_get_drvdata(dev);
+
+ stat->busy_time = 0;
+ stat->total_time = 0;
+ stat->current_frequency = clk_get_rate(priv->clk);
+
+ return 0;
+}
+
+static void imx_bus_exit(struct device *dev)
+{
+ struct imx_bus *priv = dev_get_drvdata(dev);
+
+ dev_pm_opp_of_remove_table(dev);
+ platform_device_unregister(priv->icc_pdev);
+}
+
+/* imx_bus_init_icc() - register matching icc provider if required */
+static int imx_bus_init_icc(struct device *dev)
+{
+ struct imx_bus *priv = dev_get_drvdata(dev);
+ const char *icc_driver_name;
+
+ if (!of_get_property(dev->of_node, "#interconnect-cells", 0))
+ return 0;
+ if (!IS_ENABLED(CONFIG_INTERCONNECT_IMX)) {
+ dev_warn(dev, "imx interconnect drivers disabled\n");
+ return 0;
+ }
+
+ icc_driver_name = of_device_get_match_data(dev);
+ if (!icc_driver_name) {
+ dev_err(dev, "unknown interconnect driver\n");
+ return 0;
+ }
+
+ priv->icc_pdev = platform_device_register_data(
+ dev, icc_driver_name, -1, NULL, 0);
+ if (IS_ERR(priv->icc_pdev)) {
+ dev_err(dev, "failed to register icc provider %s: %ld\n",
+ icc_driver_name, PTR_ERR(priv->icc_pdev));
+ return PTR_ERR(priv->icc_pdev);
+ }
+
+ return 0;
+}
+
+static int imx_bus_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct imx_bus *priv;
+ const char *gov = DEVFREQ_GOV_USERSPACE;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ /*
+ * Fetch the clock to adjust but don't explicitly enable.
+ *
+ * For imx bus clock clk_set_rate is safe no matter if the clock is on
+ * or off and some peripheral side-buses might be off unless enabled by
+ * drivers for devices on those specific buses.
+ *
+ * Rate adjustment on a disabled bus clock just takes effect later.
+ */
+ priv->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(priv->clk)) {
+ ret = PTR_ERR(priv->clk);
+ dev_err(dev, "failed to fetch clk: %d\n", ret);
+ return ret;
+ }
+ platform_set_drvdata(pdev, priv);
+
+ ret = dev_pm_opp_of_add_table(dev);
+ if (ret < 0) {
+ dev_err(dev, "failed to get OPP table\n");
+ return ret;
+ }
+
+ priv->profile.polling_ms = 1000;
+ priv->profile.target = imx_bus_target;
+ priv->profile.get_dev_status = imx_bus_get_dev_status;
+ priv->profile.exit = imx_bus_exit;
+ priv->profile.get_cur_freq = imx_bus_get_cur_freq;
+ priv->profile.initial_freq = clk_get_rate(priv->clk);
+
+ priv->devfreq = devm_devfreq_add_device(dev, &priv->profile,
+ gov, NULL);
+ if (IS_ERR(priv->devfreq)) {
+ ret = PTR_ERR(priv->devfreq);
+ dev_err(dev, "failed to add devfreq device: %d\n", ret);
+ goto err;
+ }
+
+ ret = imx_bus_init_icc(dev);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ dev_pm_opp_of_remove_table(dev);
+ return ret;
+}
+
+static const struct of_device_id imx_bus_of_match[] = {
+ { .compatible = "fsl,imx8mq-noc", .data = "imx8mq-interconnect", },
+ { .compatible = "fsl,imx8mm-noc", .data = "imx8mm-interconnect", },
+ { .compatible = "fsl,imx8mn-noc", .data = "imx8mn-interconnect", },
+ { .compatible = "fsl,imx8m-noc", },
+ { .compatible = "fsl,imx8m-nic", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, imx_bus_of_match);
+
+static struct platform_driver imx_bus_platdrv = {
+ .probe = imx_bus_probe,
+ .driver = {
+ .name = "imx-bus-devfreq",
+ .of_match_table = of_match_ptr(imx_bus_of_match),
+ },
+};
+module_platform_driver(imx_bus_platdrv);
+
+MODULE_DESCRIPTION("Generic i.MX bus frequency scaling driver");
+MODULE_AUTHOR("Leonard Crestez <leonard.crestez@nxp.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
index 28b2c7ca416e..e94a27804c20 100644
--- a/drivers/devfreq/tegra30-devfreq.c
+++ b/drivers/devfreq/tegra30-devfreq.c
@@ -420,7 +420,7 @@ tegra_actmon_cpufreq_contribution(struct tegra_devfreq *tegra,
static_cpu_emc_freq = actmon_cpu_to_emc_rate(tegra, cpu_freq);
- if (dev_freq >= static_cpu_emc_freq)
+ if (dev_freq + actmon_dev->boost_freq >= static_cpu_emc_freq)
return 0;
return static_cpu_emc_freq;
@@ -807,10 +807,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
}
err = platform_get_irq(pdev, 0);
- if (err < 0) {
- dev_err(&pdev->dev, "Failed to get IRQ: %d\n", err);
+ if (err < 0)
return err;
- }
+
tegra->irq = err;
irq_set_status_flags(tegra->irq, IRQ_NOAUTOEN);
diff --git a/drivers/dma-buf/Makefile b/drivers/dma-buf/Makefile
index 9c190026bfab..995e05f609ff 100644
--- a/drivers/dma-buf/Makefile
+++ b/drivers/dma-buf/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_UDMABUF) += udmabuf.o
dmabuf_selftests-y := \
selftest.o \
- st-dma-fence.o
+ st-dma-fence.o \
+ st-dma-fence-chain.o
obj-$(CONFIG_DMABUF_SELFTESTS) += dmabuf_selftests.o
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index ccc9eda1bc28..01ce125f8e8d 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -388,7 +388,8 @@ static long dma_buf_ioctl(struct file *file,
return ret;
- case DMA_BUF_SET_NAME:
+ case DMA_BUF_SET_NAME_A:
+ case DMA_BUF_SET_NAME_B:
return dma_buf_set_name(dmabuf, (const char __user *)arg);
default:
@@ -655,8 +656,8 @@ EXPORT_SYMBOL_GPL(dma_buf_put);
* calls attach() of dma_buf_ops to allow device-specific attach functionality
* @dmabuf: [in] buffer to attach device to.
* @dev: [in] device to be attached.
- * @importer_ops [in] importer operations for the attachment
- * @importer_priv [in] importer private pointer for the attachment
+ * @importer_ops: [in] importer operations for the attachment
+ * @importer_priv: [in] importer private pointer for the attachment
*
* Returns struct dma_buf_attachment pointer for this attachment. Attachments
* must be cleaned up by calling dma_buf_detach().
@@ -690,6 +691,8 @@ dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev,
attach->dev = dev;
attach->dmabuf = dmabuf;
+ if (importer_ops)
+ attach->peer2peer = importer_ops->allow_peer2peer;
attach->importer_ops = importer_ops;
attach->importer_priv = importer_priv;
diff --git a/drivers/dma-buf/dma-fence-chain.c b/drivers/dma-buf/dma-fence-chain.c
index 44a741677d25..c435bbba851c 100644
--- a/drivers/dma-buf/dma-fence-chain.c
+++ b/drivers/dma-buf/dma-fence-chain.c
@@ -62,7 +62,8 @@ struct dma_fence *dma_fence_chain_walk(struct dma_fence *fence)
replacement = NULL;
}
- tmp = cmpxchg((void **)&chain->prev, (void *)prev, (void *)replacement);
+ tmp = cmpxchg((struct dma_fence __force **)&chain->prev,
+ prev, replacement);
if (tmp == prev)
dma_fence_put(tmp);
else
@@ -98,6 +99,12 @@ int dma_fence_chain_find_seqno(struct dma_fence **pfence, uint64_t seqno)
return -EINVAL;
dma_fence_chain_for_each(*pfence, &chain->base) {
+ if ((*pfence)->seqno < seqno) { /* already signaled */
+ dma_fence_put(*pfence);
+ *pfence = NULL;
+ break;
+ }
+
if ((*pfence)->context != chain->base.context ||
to_dma_fence_chain(*pfence)->prev_seqno < seqno)
break;
@@ -221,6 +228,7 @@ EXPORT_SYMBOL(dma_fence_chain_ops);
* @chain: the chain node to initialize
* @prev: the previous fence
* @fence: the current fence
+ * @seqno: the sequence number (syncpt) of the fence within the chain
*
* Initialize a new chain node and either start a new chain or add the node to
* the existing chain of the previous fence.
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 052a41e2451c..90edf2b281b0 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -106,7 +106,7 @@ EXPORT_SYMBOL(dma_fence_get_stub);
u64 dma_fence_context_alloc(unsigned num)
{
WARN_ON(!num);
- return atomic64_add_return(num, &dma_fence_context_counter) - num;
+ return atomic64_fetch_add(num, &dma_fence_context_counter);
}
EXPORT_SYMBOL(dma_fence_context_alloc);
diff --git a/drivers/dma-buf/selftests.h b/drivers/dma-buf/selftests.h
index 5320386f02e5..55918ef9adab 100644
--- a/drivers/dma-buf/selftests.h
+++ b/drivers/dma-buf/selftests.h
@@ -11,3 +11,4 @@
*/
selftest(sanitycheck, __sanitycheck__) /* keep first (igt selfcheck) */
selftest(dma_fence, dma_fence)
+selftest(dma_fence_chain, dma_fence_chain)
diff --git a/drivers/dma-buf/st-dma-fence-chain.c b/drivers/dma-buf/st-dma-fence-chain.c
new file mode 100644
index 000000000000..5d45ba7ba3cd
--- /dev/null
+++ b/drivers/dma-buf/st-dma-fence-chain.c
@@ -0,0 +1,715 @@
+// SPDX-License-Identifier: MIT
+
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include <linux/delay.h>
+#include <linux/dma-fence.h>
+#include <linux/dma-fence-chain.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/mm.h>
+#include <linux/sched/signal.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/random.h>
+
+#include "selftest.h"
+
+#define CHAIN_SZ (4 << 10)
+
+static struct kmem_cache *slab_fences;
+
+static inline struct mock_fence {
+ struct dma_fence base;
+ spinlock_t lock;
+} *to_mock_fence(struct dma_fence *f) {
+ return container_of(f, struct mock_fence, base);
+}
+
+static const char *mock_name(struct dma_fence *f)
+{
+ return "mock";
+}
+
+static void mock_fence_release(struct dma_fence *f)
+{
+ kmem_cache_free(slab_fences, to_mock_fence(f));
+}
+
+static const struct dma_fence_ops mock_ops = {
+ .get_driver_name = mock_name,
+ .get_timeline_name = mock_name,
+ .release = mock_fence_release,
+};
+
+static struct dma_fence *mock_fence(void)
+{
+ struct mock_fence *f;
+
+ f = kmem_cache_alloc(slab_fences, GFP_KERNEL);
+ if (!f)
+ return NULL;
+
+ spin_lock_init(&f->lock);
+ dma_fence_init(&f->base, &mock_ops, &f->lock, 0, 0);
+
+ return &f->base;
+}
+
+static inline struct mock_chain {
+ struct dma_fence_chain base;
+} *to_mock_chain(struct dma_fence *f) {
+ return container_of(f, struct mock_chain, base.base);
+}
+
+static struct dma_fence *mock_chain(struct dma_fence *prev,
+ struct dma_fence *fence,
+ u64 seqno)
+{
+ struct mock_chain *f;
+
+ f = kmalloc(sizeof(*f), GFP_KERNEL);
+ if (!f)
+ return NULL;
+
+ dma_fence_chain_init(&f->base,
+ dma_fence_get(prev),
+ dma_fence_get(fence),
+ seqno);
+
+ return &f->base.base;
+}
+
+static int sanitycheck(void *arg)
+{
+ struct dma_fence *f, *chain;
+ int err = 0;
+
+ f = mock_fence();
+ if (!f)
+ return -ENOMEM;
+
+ chain = mock_chain(NULL, f, 1);
+ if (!chain)
+ err = -ENOMEM;
+
+ dma_fence_signal(f);
+ dma_fence_put(f);
+
+ dma_fence_put(chain);
+
+ return err;
+}
+
+struct fence_chains {
+ unsigned int chain_length;
+ struct dma_fence **fences;
+ struct dma_fence **chains;
+
+ struct dma_fence *tail;
+};
+
+static uint64_t seqno_inc(unsigned int i)
+{
+ return i + 1;
+}
+
+static int fence_chains_init(struct fence_chains *fc, unsigned int count,
+ uint64_t (*seqno_fn)(unsigned int))
+{
+ unsigned int i;
+ int err = 0;
+
+ fc->chains = kvmalloc_array(count, sizeof(*fc->chains),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!fc->chains)
+ return -ENOMEM;
+
+ fc->fences = kvmalloc_array(count, sizeof(*fc->fences),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!fc->fences) {
+ err = -ENOMEM;
+ goto err_chains;
+ }
+
+ fc->tail = NULL;
+ for (i = 0; i < count; i++) {
+ fc->fences[i] = mock_fence();
+ if (!fc->fences[i]) {
+ err = -ENOMEM;
+ goto unwind;
+ }
+
+ fc->chains[i] = mock_chain(fc->tail,
+ fc->fences[i],
+ seqno_fn(i));
+ if (!fc->chains[i]) {
+ err = -ENOMEM;
+ goto unwind;
+ }
+
+ fc->tail = fc->chains[i];
+ }
+
+ fc->chain_length = i;
+ return 0;
+
+unwind:
+ for (i = 0; i < count; i++) {
+ dma_fence_put(fc->fences[i]);
+ dma_fence_put(fc->chains[i]);
+ }
+ kvfree(fc->fences);
+err_chains:
+ kvfree(fc->chains);
+ return err;
+}
+
+static void fence_chains_fini(struct fence_chains *fc)
+{
+ unsigned int i;
+
+ for (i = 0; i < fc->chain_length; i++) {
+ dma_fence_signal(fc->fences[i]);
+ dma_fence_put(fc->fences[i]);
+ }
+ kvfree(fc->fences);
+
+ for (i = 0; i < fc->chain_length; i++)
+ dma_fence_put(fc->chains[i]);
+ kvfree(fc->chains);
+}
+
+static int find_seqno(void *arg)
+{
+ struct fence_chains fc;
+ struct dma_fence *fence;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, 64, seqno_inc);
+ if (err)
+ return err;
+
+ fence = dma_fence_get(fc.tail);
+ err = dma_fence_chain_find_seqno(&fence, 0);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Reported %d for find_seqno(0)!\n", err);
+ goto err;
+ }
+
+ for (i = 0; i < fc.chain_length; i++) {
+ fence = dma_fence_get(fc.tail);
+ err = dma_fence_chain_find_seqno(&fence, i + 1);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Reported %d for find_seqno(%d:%d)!\n",
+ err, fc.chain_length + 1, i + 1);
+ goto err;
+ }
+ if (fence != fc.chains[i]) {
+ pr_err("Incorrect fence reported by find_seqno(%d:%d)\n",
+ fc.chain_length + 1, i + 1);
+ err = -EINVAL;
+ goto err;
+ }
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, i + 1);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Error reported for finding self\n");
+ goto err;
+ }
+ if (fence != fc.chains[i]) {
+ pr_err("Incorrect fence reported by find self\n");
+ err = -EINVAL;
+ goto err;
+ }
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, i + 2);
+ dma_fence_put(fence);
+ if (!err) {
+ pr_err("Error not reported for future fence: find_seqno(%d:%d)!\n",
+ i + 1, i + 2);
+ err = -EINVAL;
+ goto err;
+ }
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, i);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Error reported for previous fence!\n");
+ goto err;
+ }
+ if (i > 0 && fence != fc.chains[i - 1]) {
+ pr_err("Incorrect fence reported by find_seqno(%d:%d)\n",
+ i + 1, i);
+ err = -EINVAL;
+ goto err;
+ }
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static int find_signaled(void *arg)
+{
+ struct fence_chains fc;
+ struct dma_fence *fence;
+ int err;
+
+ err = fence_chains_init(&fc, 2, seqno_inc);
+ if (err)
+ return err;
+
+ dma_fence_signal(fc.fences[0]);
+
+ fence = dma_fence_get(fc.tail);
+ err = dma_fence_chain_find_seqno(&fence, 1);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Reported %d for find_seqno()!\n", err);
+ goto err;
+ }
+
+ if (fence && fence != fc.chains[0]) {
+ pr_err("Incorrect chain-fence.seqno:%lld reported for completed seqno:1\n",
+ fence->seqno);
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, 1);
+ dma_fence_put(fence);
+ if (err)
+ pr_err("Reported %d for finding self!\n", err);
+
+ err = -EINVAL;
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static int find_out_of_order(void *arg)
+{
+ struct fence_chains fc;
+ struct dma_fence *fence;
+ int err;
+
+ err = fence_chains_init(&fc, 3, seqno_inc);
+ if (err)
+ return err;
+
+ dma_fence_signal(fc.fences[1]);
+
+ fence = dma_fence_get(fc.tail);
+ err = dma_fence_chain_find_seqno(&fence, 2);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Reported %d for find_seqno()!\n", err);
+ goto err;
+ }
+
+ if (fence && fence != fc.chains[1]) {
+ pr_err("Incorrect chain-fence.seqno:%lld reported for completed seqno:2\n",
+ fence->seqno);
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, 2);
+ dma_fence_put(fence);
+ if (err)
+ pr_err("Reported %d for finding self!\n", err);
+
+ err = -EINVAL;
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static uint64_t seqno_inc2(unsigned int i)
+{
+ return 2 * i + 2;
+}
+
+static int find_gap(void *arg)
+{
+ struct fence_chains fc;
+ struct dma_fence *fence;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, 64, seqno_inc2);
+ if (err)
+ return err;
+
+ for (i = 0; i < fc.chain_length; i++) {
+ fence = dma_fence_get(fc.tail);
+ err = dma_fence_chain_find_seqno(&fence, 2 * i + 1);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Reported %d for find_seqno(%d:%d)!\n",
+ err, fc.chain_length + 1, 2 * i + 1);
+ goto err;
+ }
+ if (fence != fc.chains[i]) {
+ pr_err("Incorrect fence.seqno:%lld reported by find_seqno(%d:%d)\n",
+ fence->seqno,
+ fc.chain_length + 1,
+ 2 * i + 1);
+ err = -EINVAL;
+ goto err;
+ }
+
+ dma_fence_get(fence);
+ err = dma_fence_chain_find_seqno(&fence, 2 * i + 2);
+ dma_fence_put(fence);
+ if (err) {
+ pr_err("Error reported for finding self\n");
+ goto err;
+ }
+ if (fence != fc.chains[i]) {
+ pr_err("Incorrect fence reported by find self\n");
+ err = -EINVAL;
+ goto err;
+ }
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+struct find_race {
+ struct fence_chains fc;
+ atomic_t children;
+};
+
+static int __find_race(void *arg)
+{
+ struct find_race *data = arg;
+ int err = 0;
+
+ while (!kthread_should_stop()) {
+ struct dma_fence *fence = dma_fence_get(data->fc.tail);
+ int seqno;
+
+ seqno = prandom_u32_max(data->fc.chain_length) + 1;
+
+ err = dma_fence_chain_find_seqno(&fence, seqno);
+ if (err) {
+ pr_err("Failed to find fence seqno:%d\n",
+ seqno);
+ dma_fence_put(fence);
+ break;
+ }
+ if (!fence)
+ goto signal;
+
+ err = dma_fence_chain_find_seqno(&fence, seqno);
+ if (err) {
+ pr_err("Reported an invalid fence for find-self:%d\n",
+ seqno);
+ dma_fence_put(fence);
+ break;
+ }
+
+ if (fence->seqno < seqno) {
+ pr_err("Reported an earlier fence.seqno:%lld for seqno:%d\n",
+ fence->seqno, seqno);
+ err = -EINVAL;
+ dma_fence_put(fence);
+ break;
+ }
+
+ dma_fence_put(fence);
+
+signal:
+ seqno = prandom_u32_max(data->fc.chain_length - 1);
+ dma_fence_signal(data->fc.fences[seqno]);
+ cond_resched();
+ }
+
+ if (atomic_dec_and_test(&data->children))
+ wake_up_var(&data->children);
+ return err;
+}
+
+static int find_race(void *arg)
+{
+ struct find_race data;
+ int ncpus = num_online_cpus();
+ struct task_struct **threads;
+ unsigned long count;
+ int err;
+ int i;
+
+ err = fence_chains_init(&data.fc, CHAIN_SZ, seqno_inc);
+ if (err)
+ return err;
+
+ threads = kmalloc_array(ncpus, sizeof(*threads), GFP_KERNEL);
+ if (!threads) {
+ err = -ENOMEM;
+ goto err;
+ }
+
+ atomic_set(&data.children, 0);
+ for (i = 0; i < ncpus; i++) {
+ threads[i] = kthread_run(__find_race, &data, "dmabuf/%d", i);
+ if (IS_ERR(threads[i])) {
+ ncpus = i;
+ break;
+ }
+ atomic_inc(&data.children);
+ get_task_struct(threads[i]);
+ }
+
+ wait_var_event_timeout(&data.children,
+ !atomic_read(&data.children),
+ 5 * HZ);
+
+ for (i = 0; i < ncpus; i++) {
+ int ret;
+
+ ret = kthread_stop(threads[i]);
+ if (ret && !err)
+ err = ret;
+ put_task_struct(threads[i]);
+ }
+ kfree(threads);
+
+ count = 0;
+ for (i = 0; i < data.fc.chain_length; i++)
+ if (dma_fence_is_signaled(data.fc.fences[i]))
+ count++;
+ pr_info("Completed %lu cycles\n", count);
+
+err:
+ fence_chains_fini(&data.fc);
+ return err;
+}
+
+static int signal_forward(void *arg)
+{
+ struct fence_chains fc;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, 64, seqno_inc);
+ if (err)
+ return err;
+
+ for (i = 0; i < fc.chain_length; i++) {
+ dma_fence_signal(fc.fences[i]);
+
+ if (!dma_fence_is_signaled(fc.chains[i])) {
+ pr_err("chain[%d] not signaled!\n", i);
+ err = -EINVAL;
+ goto err;
+ }
+
+ if (i + 1 < fc.chain_length &&
+ dma_fence_is_signaled(fc.chains[i + 1])) {
+ pr_err("chain[%d] is signaled!\n", i);
+ err = -EINVAL;
+ goto err;
+ }
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static int signal_backward(void *arg)
+{
+ struct fence_chains fc;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, 64, seqno_inc);
+ if (err)
+ return err;
+
+ for (i = fc.chain_length; i--; ) {
+ dma_fence_signal(fc.fences[i]);
+
+ if (i > 0 && dma_fence_is_signaled(fc.chains[i])) {
+ pr_err("chain[%d] is signaled!\n", i);
+ err = -EINVAL;
+ goto err;
+ }
+ }
+
+ for (i = 0; i < fc.chain_length; i++) {
+ if (!dma_fence_is_signaled(fc.chains[i])) {
+ pr_err("chain[%d] was not signaled!\n", i);
+ err = -EINVAL;
+ goto err;
+ }
+ }
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static int __wait_fence_chains(void *arg)
+{
+ struct fence_chains *fc = arg;
+
+ if (dma_fence_wait(fc->tail, false))
+ return -EIO;
+
+ return 0;
+}
+
+static int wait_forward(void *arg)
+{
+ struct fence_chains fc;
+ struct task_struct *tsk;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc);
+ if (err)
+ return err;
+
+ tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait");
+ if (IS_ERR(tsk)) {
+ err = PTR_ERR(tsk);
+ goto err;
+ }
+ get_task_struct(tsk);
+ yield_to(tsk, true);
+
+ for (i = 0; i < fc.chain_length; i++)
+ dma_fence_signal(fc.fences[i]);
+
+ err = kthread_stop(tsk);
+ put_task_struct(tsk);
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static int wait_backward(void *arg)
+{
+ struct fence_chains fc;
+ struct task_struct *tsk;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc);
+ if (err)
+ return err;
+
+ tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait");
+ if (IS_ERR(tsk)) {
+ err = PTR_ERR(tsk);
+ goto err;
+ }
+ get_task_struct(tsk);
+ yield_to(tsk, true);
+
+ for (i = fc.chain_length; i--; )
+ dma_fence_signal(fc.fences[i]);
+
+ err = kthread_stop(tsk);
+ put_task_struct(tsk);
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+static void randomise_fences(struct fence_chains *fc)
+{
+ unsigned int count = fc->chain_length;
+
+ /* Fisher-Yates shuffle courtesy of Knuth */
+ while (--count) {
+ unsigned int swp;
+
+ swp = prandom_u32_max(count + 1);
+ if (swp == count)
+ continue;
+
+ swap(fc->fences[count], fc->fences[swp]);
+ }
+}
+
+static int wait_random(void *arg)
+{
+ struct fence_chains fc;
+ struct task_struct *tsk;
+ int err;
+ int i;
+
+ err = fence_chains_init(&fc, CHAIN_SZ, seqno_inc);
+ if (err)
+ return err;
+
+ randomise_fences(&fc);
+
+ tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait");
+ if (IS_ERR(tsk)) {
+ err = PTR_ERR(tsk);
+ goto err;
+ }
+ get_task_struct(tsk);
+ yield_to(tsk, true);
+
+ for (i = 0; i < fc.chain_length; i++)
+ dma_fence_signal(fc.fences[i]);
+
+ err = kthread_stop(tsk);
+ put_task_struct(tsk);
+
+err:
+ fence_chains_fini(&fc);
+ return err;
+}
+
+int dma_fence_chain(void)
+{
+ static const struct subtest tests[] = {
+ SUBTEST(sanitycheck),
+ SUBTEST(find_seqno),
+ SUBTEST(find_signaled),
+ SUBTEST(find_out_of_order),
+ SUBTEST(find_gap),
+ SUBTEST(find_race),
+ SUBTEST(signal_forward),
+ SUBTEST(signal_backward),
+ SUBTEST(wait_forward),
+ SUBTEST(wait_backward),
+ SUBTEST(wait_random),
+ };
+ int ret;
+
+ pr_info("sizeof(dma_fence_chain)=%zu\n",
+ sizeof(struct dma_fence_chain));
+
+ slab_fences = KMEM_CACHE(mock_fence,
+ SLAB_TYPESAFE_BY_RCU |
+ SLAB_HWCACHE_ALIGN);
+ if (!slab_fences)
+ return -ENOMEM;
+
+ ret = subtests(tests, NULL);
+
+ kmem_cache_destroy(slab_fences);
+ return ret;
+}
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 092483644315..023db6883d05 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -241,7 +241,8 @@ config FSL_RAID
config HISI_DMA
tristate "HiSilicon DMA Engine support"
- depends on ARM64 || (COMPILE_TEST && PCI_MSI)
+ depends on ARM64 || COMPILE_TEST
+ depends on PCI_MSI
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
help
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 4830ba658ce1..d31076d9ef25 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -232,10 +232,6 @@ static void chan_dev_release(struct device *dev)
struct dma_chan_dev *chan_dev;
chan_dev = container_of(dev, typeof(*chan_dev), device);
- if (atomic_dec_and_test(chan_dev->idr_ref)) {
- ida_free(&dma_ida, chan_dev->dev_id);
- kfree(chan_dev->idr_ref);
- }
kfree(chan_dev);
}
@@ -1043,27 +1039,9 @@ static int get_dma_id(struct dma_device *device)
}
static int __dma_async_device_channel_register(struct dma_device *device,
- struct dma_chan *chan,
- int chan_id)
+ struct dma_chan *chan)
{
int rc = 0;
- int chancnt = device->chancnt;
- atomic_t *idr_ref;
- struct dma_chan *tchan;
-
- tchan = list_first_entry_or_null(&device->channels,
- struct dma_chan, device_node);
- if (!tchan)
- return -ENODEV;
-
- if (tchan->dev) {
- idr_ref = tchan->dev->idr_ref;
- } else {
- idr_ref = kmalloc(sizeof(*idr_ref), GFP_KERNEL);
- if (!idr_ref)
- return -ENOMEM;
- atomic_set(idr_ref, 0);
- }
chan->local = alloc_percpu(typeof(*chan->local));
if (!chan->local)
@@ -1079,29 +1057,36 @@ static int __dma_async_device_channel_register(struct dma_device *device,
* When the chan_id is a negative value, we are dynamically adding
* the channel. Otherwise we are static enumerating.
*/
- chan->chan_id = chan_id < 0 ? chancnt : chan_id;
+ mutex_lock(&device->chan_mutex);
+ chan->chan_id = ida_alloc(&device->chan_ida, GFP_KERNEL);
+ mutex_unlock(&device->chan_mutex);
+ if (chan->chan_id < 0) {
+ pr_err("%s: unable to alloc ida for chan: %d\n",
+ __func__, chan->chan_id);
+ goto err_out;
+ }
+
chan->dev->device.class = &dma_devclass;
chan->dev->device.parent = device->dev;
chan->dev->chan = chan;
- chan->dev->idr_ref = idr_ref;
chan->dev->dev_id = device->dev_id;
- atomic_inc(idr_ref);
dev_set_name(&chan->dev->device, "dma%dchan%d",
device->dev_id, chan->chan_id);
-
rc = device_register(&chan->dev->device);
if (rc)
- goto err_out;
+ goto err_out_ida;
chan->client_count = 0;
- device->chancnt = chan->chan_id + 1;
+ device->chancnt++;
return 0;
+ err_out_ida:
+ mutex_lock(&device->chan_mutex);
+ ida_free(&device->chan_ida, chan->chan_id);
+ mutex_unlock(&device->chan_mutex);
err_out:
free_percpu(chan->local);
kfree(chan->dev);
- if (atomic_dec_return(idr_ref) == 0)
- kfree(idr_ref);
return rc;
}
@@ -1110,7 +1095,7 @@ int dma_async_device_channel_register(struct dma_device *device,
{
int rc;
- rc = __dma_async_device_channel_register(device, chan, -1);
+ rc = __dma_async_device_channel_register(device, chan);
if (rc < 0)
return rc;
@@ -1130,6 +1115,9 @@ static void __dma_async_device_channel_unregister(struct dma_device *device,
device->chancnt--;
chan->dev->chan = NULL;
mutex_unlock(&dma_list_mutex);
+ mutex_lock(&device->chan_mutex);
+ ida_free(&device->chan_ida, chan->chan_id);
+ mutex_unlock(&device->chan_mutex);
device_unregister(&chan->dev->device);
free_percpu(chan->local);
}
@@ -1152,7 +1140,7 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_unregister);
*/
int dma_async_device_register(struct dma_device *device)
{
- int rc, i = 0;
+ int rc;
struct dma_chan* chan;
if (!device)
@@ -1257,9 +1245,12 @@ int dma_async_device_register(struct dma_device *device)
if (rc != 0)
return rc;
+ mutex_init(&device->chan_mutex);
+ ida_init(&device->chan_ida);
+
/* represent channels in sysfs. Probably want devs too */
list_for_each_entry(chan, &device->channels, device_node) {
- rc = __dma_async_device_channel_register(device, chan, i++);
+ rc = __dma_async_device_channel_register(device, chan);
if (rc < 0)
goto err_out;
}
@@ -1334,6 +1325,7 @@ void dma_async_device_unregister(struct dma_device *device)
*/
dma_cap_set(DMA_PRIVATE, device->cap_mask);
dma_channel_rebalance();
+ ida_free(&dma_ida, device->dev_id);
dma_device_put(device);
mutex_unlock(&dma_list_mutex);
}
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index a2cadfa2e6d7..0425984db118 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -240,7 +240,7 @@ static bool is_threaded_test_run(struct dmatest_info *info)
struct dmatest_thread *thread;
list_for_each_entry(thread, &dtc->threads, node) {
- if (!thread->done)
+ if (!thread->done && !thread->pending)
return true;
}
}
@@ -662,8 +662,8 @@ static int dmatest_func(void *data)
flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
ktime = ktime_get();
- while (!kthread_should_stop()
- && !(params->iterations && total_tests >= params->iterations)) {
+ while (!(kthread_should_stop() ||
+ (params->iterations && total_tests >= params->iterations))) {
struct dma_async_tx_descriptor *tx = NULL;
struct dmaengine_unmap_data *um;
dma_addr_t *dsts;
@@ -1166,10 +1166,11 @@ static int dmatest_run_set(const char *val, const struct kernel_param *kp)
mutex_unlock(&info->lock);
return ret;
} else if (dmatest_run) {
- if (is_threaded_test_pending(info))
- start_threaded_tests(info);
- else
- pr_info("Could not start test, no channels configured\n");
+ if (!is_threaded_test_pending(info)) {
+ pr_info("No channels configured, continue with any\n");
+ add_threaded_test(info);
+ }
+ start_threaded_tests(info);
} else {
stop_threaded_test(info);
}
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index f6f49f0f6fae..8d79a8787104 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -62,6 +62,13 @@ int idxd_unmask_msix_vector(struct idxd_device *idxd, int vec_id)
perm.ignore = 0;
iowrite32(perm.bits, idxd->reg_base + offset);
+ /*
+ * A readback from the device ensures that any previously generated
+ * completion record writes are visible to software based on PCI
+ * ordering rules.
+ */
+ perm.bits = ioread32(idxd->reg_base + offset);
+
return 0;
}
diff --git a/drivers/dma/idxd/irq.c b/drivers/dma/idxd/irq.c
index d6fcd2e60103..6510791b9921 100644
--- a/drivers/dma/idxd/irq.c
+++ b/drivers/dma/idxd/irq.c
@@ -173,6 +173,7 @@ static int irq_process_pending_llist(struct idxd_irq_entry *irq_entry,
struct llist_node *head;
int queued = 0;
+ *processed = 0;
head = llist_del_all(&irq_entry->pending_llist);
if (!head)
return 0;
@@ -197,6 +198,7 @@ static int irq_process_work_list(struct idxd_irq_entry *irq_entry,
struct list_head *node, *next;
int queued = 0;
+ *processed = 0;
if (list_empty(&irq_entry->work_list))
return 0;
@@ -218,10 +220,9 @@ static int irq_process_work_list(struct idxd_irq_entry *irq_entry,
return queued;
}
-irqreturn_t idxd_wq_thread(int irq, void *data)
+static int idxd_desc_process(struct idxd_irq_entry *irq_entry)
{
- struct idxd_irq_entry *irq_entry = data;
- int rc, processed = 0, retry = 0;
+ int rc, processed, total = 0;
/*
* There are two lists we are processing. The pending_llist is where
@@ -244,15 +245,26 @@ irqreturn_t idxd_wq_thread(int irq, void *data)
*/
do {
rc = irq_process_work_list(irq_entry, &processed);
- if (rc != 0) {
- retry++;
+ total += processed;
+ if (rc != 0)
continue;
- }
rc = irq_process_pending_llist(irq_entry, &processed);
- } while (rc != 0 && retry != 10);
+ total += processed;
+ } while (rc != 0);
+
+ return total;
+}
+
+irqreturn_t idxd_wq_thread(int irq, void *data)
+{
+ struct idxd_irq_entry *irq_entry = data;
+ int processed;
+ processed = idxd_desc_process(irq_entry);
idxd_unmask_msix_vector(irq_entry->idxd, irq_entry->id);
+ /* catch anything unprocessed after unmasking */
+ processed += idxd_desc_process(irq_entry);
if (processed == 0)
return IRQ_NONE;
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 10117f271b12..d683232d7fea 100644
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -363,6 +363,8 @@ static void mmp_tdma_free_descriptor(struct mmp_tdma_chan *tdmac)
gen_pool_free(gpool, (unsigned long)tdmac->desc_arr,
size);
tdmac->desc_arr = NULL;
+ if (tdmac->status == DMA_ERROR)
+ tdmac->status = DMA_COMPLETE;
return;
}
@@ -443,7 +445,8 @@ static struct dma_async_tx_descriptor *mmp_tdma_prep_dma_cyclic(
if (!desc)
goto err_out;
- mmp_tdma_config_write(chan, direction, &tdmac->slave_config);
+ if (mmp_tdma_config_write(chan, direction, &tdmac->slave_config))
+ goto err_out;
while (buf < buf_len) {
desc = &tdmac->desc_arr[i];
diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c
index c683051257fd..66ef70b00ec0 100644
--- a/drivers/dma/owl-dma.c
+++ b/drivers/dma/owl-dma.c
@@ -175,13 +175,11 @@ struct owl_dma_txd {
* @id: physical index to this channel
* @base: virtual memory base for the dma channel
* @vchan: the virtual channel currently being served by this physical channel
- * @lock: a lock to use when altering an instance of this struct
*/
struct owl_dma_pchan {
u32 id;
void __iomem *base;
struct owl_dma_vchan *vchan;
- spinlock_t lock;
};
/**
@@ -437,14 +435,14 @@ static struct owl_dma_pchan *owl_dma_get_pchan(struct owl_dma *od,
for (i = 0; i < od->nr_pchans; i++) {
pchan = &od->pchans[i];
- spin_lock_irqsave(&pchan->lock, flags);
+ spin_lock_irqsave(&od->lock, flags);
if (!pchan->vchan) {
pchan->vchan = vchan;
- spin_unlock_irqrestore(&pchan->lock, flags);
+ spin_unlock_irqrestore(&od->lock, flags);
break;
}
- spin_unlock_irqrestore(&pchan->lock, flags);
+ spin_unlock_irqrestore(&od->lock, flags);
}
return pchan;
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 581e7a290d98..a3b0b4c56a19 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -865,6 +865,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
}
pci_set_master(pdev);
+ pd->dma.dev = &pdev->dev;
err = request_irq(pdev->irq, pd_irq, IRQF_SHARED, DRV_NAME, pd);
if (err) {
@@ -880,7 +881,6 @@ static int pch_dma_probe(struct pci_dev *pdev,
goto err_free_irq;
}
- pd->dma.dev = &pdev->dev;
INIT_LIST_HEAD(&pd->dma.channels);
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index f6a2f42ffc51..b9f0d9636620 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -816,6 +816,13 @@ static bool tegra_dma_eoc_interrupt_deasserted(struct tegra_dma_channel *tdc)
static void tegra_dma_synchronize(struct dma_chan *dc)
{
struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
+ int err;
+
+ err = pm_runtime_get_sync(tdc->tdma->dev);
+ if (err < 0) {
+ dev_err(tdc2dev(tdc), "Failed to synchronize DMA: %d\n", err);
+ return;
+ }
/*
* CPU, which handles interrupt, could be busy in
@@ -825,6 +832,8 @@ static void tegra_dma_synchronize(struct dma_chan *dc)
wait_event(tdc->wq, tegra_dma_eoc_interrupt_deasserted(tdc));
tasklet_kill(&tdc->tasklet);
+
+ pm_runtime_put(tdc->tdma->dev);
}
static unsigned int tegra_dma_sg_bytes_xferred(struct tegra_dma_channel *tdc,
diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
index c4ce5dfb149b..db58d7e4f9fe 100644
--- a/drivers/dma/tegra210-adma.c
+++ b/drivers/dma/tegra210-adma.c
@@ -900,7 +900,7 @@ static int tegra_adma_probe(struct platform_device *pdev)
ret = dma_async_device_register(&tdma->dma_dev);
if (ret < 0) {
dev_err(&pdev->dev, "ADMA registration failed: %d\n", ret);
- goto irq_dispose;
+ goto rpm_put;
}
ret = of_dma_controller_register(pdev->dev.of_node,
diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c
index d7b965049ccb..fb7c8150b0d1 100644
--- a/drivers/dma/ti/k3-psil.c
+++ b/drivers/dma/ti/k3-psil.c
@@ -27,6 +27,7 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id)
soc_ep_map = &j721e_ep_map;
} else {
pr_err("PSIL: No compatible machine found for map\n");
+ mutex_unlock(&ep_map_mutex);
return ERR_PTR(-ENOTSUPP);
}
pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name);
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index a9c0251adf1a..a90e154b0ae0 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -2156,7 +2156,8 @@ udma_prep_slave_sg_tr(struct udma_chan *uc, struct scatterlist *sgl,
d->residue += sg_dma_len(sgent);
}
- cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags, CPPI5_TR_CSF_EOP);
+ cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags,
+ CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP);
return d;
}
@@ -2733,7 +2734,8 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
tr_req[1].dicnt3 = 1;
}
- cppi5_tr_csf_set(&tr_req[num_tr - 1].flags, CPPI5_TR_CSF_EOP);
+ cppi5_tr_csf_set(&tr_req[num_tr - 1].flags,
+ CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP);
if (uc->config.metadata_size)
d->vd.tx.metadata_ops = &metadata_ops;
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index aecd5a35a296..5429497d3560 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -1230,16 +1230,16 @@ static enum dma_status xilinx_dma_tx_status(struct dma_chan *dchan,
return ret;
spin_lock_irqsave(&chan->lock, flags);
-
- desc = list_last_entry(&chan->active_list,
- struct xilinx_dma_tx_descriptor, node);
- /*
- * VDMA and simple mode do not support residue reporting, so the
- * residue field will always be 0.
- */
- if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA)
- residue = xilinx_dma_get_residue(chan, desc);
-
+ if (!list_empty(&chan->active_list)) {
+ desc = list_last_entry(&chan->active_list,
+ struct xilinx_dma_tx_descriptor, node);
+ /*
+ * VDMA and simple mode do not support residue reporting, so the
+ * residue field will always be 0.
+ */
+ if (chan->has_sg && chan->xdev->dma_config->dmatype != XDMA_TYPE_VDMA)
+ residue = xilinx_dma_get_residue(chan, desc);
+ }
spin_unlock_irqrestore(&chan->lock, flags);
dma_set_residue(txstate, residue);
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index d47749a35863..ff253696d183 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -434,6 +434,7 @@ static void zynqmp_dma_free_descriptor(struct zynqmp_dma_chan *chan,
struct zynqmp_dma_desc_sw *child, *next;
chan->desc_free_cnt++;
+ list_del(&sdesc->node);
list_add_tail(&sdesc->node, &chan->free_list);
list_for_each_entry_safe(child, next, &sdesc->tx_list, node) {
chan->desc_free_cnt++;
@@ -608,8 +609,6 @@ static void zynqmp_dma_chan_desc_cleanup(struct zynqmp_dma_chan *chan)
dma_async_tx_callback callback;
void *callback_param;
- list_del(&desc->node);
-
callback = desc->async_tx.callback;
callback_param = desc->async_tx.callback_param;
if (callback) {
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index f91f3bc1e0b2..9cf7cc1f3f72 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -3403,7 +3403,7 @@ static const struct attribute_group *amd64_edac_attr_groups[] = {
static int hw_info_get(struct amd64_pvt *pvt)
{
u16 pci_id1, pci_id2;
- int ret = -EINVAL;
+ int ret;
if (pvt->fam >= 0x17) {
pvt->umc = kcalloc(fam_type->max_mcs, sizeof(struct amd64_umc), GFP_KERNEL);
diff --git a/drivers/edac/amd8131_edac.c b/drivers/edac/amd8131_edac.c
index 93c82bc17493..169353710982 100644
--- a/drivers/edac/amd8131_edac.c
+++ b/drivers/edac/amd8131_edac.c
@@ -44,14 +44,6 @@ static void edac_pci_write_dword(struct pci_dev *dev, int reg, u32 val32)
" PCI Access Write Error at 0x%x\n", reg);
}
-static char * const bridge_str[] = {
- [NORTH_A] = "NORTH A",
- [NORTH_B] = "NORTH B",
- [SOUTH_A] = "SOUTH A",
- [SOUTH_B] = "SOUTH B",
- [NO_BRIDGE] = "NO BRIDGE",
-};
-
/* Support up to two AMD8131 chipsets on a platform */
static struct amd8131_dev_info amd8131_devices[] = {
{
diff --git a/drivers/edac/armada_xp_edac.c b/drivers/edac/armada_xp_edac.c
index a7502ebe9bdc..e3e757513d1b 100644
--- a/drivers/edac/armada_xp_edac.c
+++ b/drivers/edac/armada_xp_edac.c
@@ -78,7 +78,7 @@ struct axp_mc_drvdata {
char msg[128];
};
-/* derived from "DRAM Address Multiplexing" in the ARAMDA XP Functional Spec */
+/* derived from "DRAM Address Multiplexing" in the ARMADA XP Functional Spec */
static uint32_t axp_mc_calc_address(struct axp_mc_drvdata *drvdata,
uint8_t cs, uint8_t bank, uint16_t row,
uint16_t col)
@@ -160,12 +160,12 @@ static void axp_mc_check(struct mem_ctl_info *mci)
if (cnt_sbe)
cnt_sbe--;
else
- dev_warn(mci->pdev, "inconsistent SBE count detected");
+ dev_warn(mci->pdev, "inconsistent SBE count detected\n");
} else {
if (cnt_dbe)
cnt_dbe--;
else
- dev_warn(mci->pdev, "inconsistent DBE count detected");
+ dev_warn(mci->pdev, "inconsistent DBE count detected\n");
}
/* report earlier errors */
@@ -304,7 +304,7 @@ static int axp_mc_probe(struct platform_device *pdev)
config = readl(base + SDRAM_CONFIG_REG);
if (!(config & SDRAM_CONFIG_ECC_MASK)) {
- dev_warn(&pdev->dev, "SDRAM ECC is not enabled");
+ dev_warn(&pdev->dev, "SDRAM ECC is not enabled\n");
return -EINVAL;
}
@@ -532,9 +532,9 @@ static int aurora_l2_probe(struct platform_device *pdev)
l2x0_aux_ctrl = readl(base + L2X0_AUX_CTRL);
if (!(l2x0_aux_ctrl & AURORA_ACR_PARITY_EN))
- dev_warn(&pdev->dev, "tag parity is not enabled");
+ dev_warn(&pdev->dev, "tag parity is not enabled\n");
if (!(l2x0_aux_ctrl & AURORA_ACR_ECC_EN))
- dev_warn(&pdev->dev, "data ECC is not enabled");
+ dev_warn(&pdev->dev, "data ECC is not enabled\n");
dci = edac_device_alloc_ctl_info(sizeof(*drvdata),
"cpu", 1, "L", 1, 2, NULL, 0, 0);
@@ -618,7 +618,7 @@ static int __init armada_xp_edac_init(void)
res = platform_register_drivers(drivers, ARRAY_SIZE(drivers));
if (res)
- pr_warn("Aramda XP EDAC drivers fail to register\n");
+ pr_warn("Armada XP EDAC drivers fail to register\n");
return 0;
}
diff --git a/drivers/edac/i10nm_base.c b/drivers/edac/i10nm_base.c
index df08de963d10..9b0044cd21cd 100644
--- a/drivers/edac/i10nm_base.c
+++ b/drivers/edac/i10nm_base.c
@@ -122,10 +122,22 @@ static int i10nm_get_all_munits(void)
return 0;
}
+static struct res_config i10nm_cfg0 = {
+ .type = I10NM,
+ .decs_did = 0x3452,
+ .busno_cfg_offset = 0xcc,
+};
+
+static struct res_config i10nm_cfg1 = {
+ .type = I10NM,
+ .decs_did = 0x3452,
+ .busno_cfg_offset = 0xd0,
+};
+
static const struct x86_cpu_id i10nm_cpuids[] = {
- X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, NULL),
- X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, NULL),
- X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &i10nm_cfg0),
+ X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &i10nm_cfg0),
+ X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_D, &i10nm_cfg1),
{}
};
MODULE_DEVICE_TABLE(x86cpu, i10nm_cpuids);
@@ -161,7 +173,7 @@ static int i10nm_get_dimm_config(struct mem_ctl_info *mci)
mtr, mcddrtcfg, imc->mc, i, j);
if (IS_DIMM_PRESENT(mtr))
- ndimms += skx_get_dimm_info(mtr, 0, dimm,
+ ndimms += skx_get_dimm_info(mtr, 0, 0, dimm,
imc, i, j);
else if (IS_NVDIMM_PRESENT(mcddrtcfg, j))
ndimms += skx_get_nvdimm_info(dimm, imc, i, j,
@@ -234,6 +246,7 @@ static int __init i10nm_init(void)
{
u8 mc = 0, src_id = 0, node_id = 0;
const struct x86_cpu_id *id;
+ struct res_config *cfg;
const char *owner;
struct skx_dev *d;
int rc, i, off[3] = {0xd0, 0xc8, 0xcc};
@@ -249,11 +262,17 @@ static int __init i10nm_init(void)
if (!id)
return -ENODEV;
+ cfg = (struct res_config *)id->driver_data;
+
+ /* Newer steppings have different offset for ATOM_TREMONT_D/ICELAKE_X */
+ if (boot_cpu_data.x86_stepping >= 4)
+ cfg->busno_cfg_offset = 0xd0;
+
rc = skx_get_hi_lo(0x09a2, off, &tolm, &tohm);
if (rc)
return rc;
- rc = skx_get_all_bus_mappings(0x3452, 0xcc, I10NM, &i10nm_edac_list);
+ rc = skx_get_all_bus_mappings(cfg, &i10nm_edac_list);
if (rc < 0)
goto fail;
if (rc == 0) {
diff --git a/drivers/edac/skx_base.c b/drivers/edac/skx_base.c
index 46a3a3440f5e..b907a0f4ece6 100644
--- a/drivers/edac/skx_base.c
+++ b/drivers/edac/skx_base.c
@@ -157,33 +157,35 @@ fail:
return -ENODEV;
}
+static struct res_config skx_cfg = {
+ .type = SKX,
+ .decs_did = 0x2016,
+ .busno_cfg_offset = 0xcc,
+};
+
static const struct x86_cpu_id skx_cpuids[] = {
- X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_X, NULL),
+ X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_X, &skx_cfg),
{ }
};
MODULE_DEVICE_TABLE(x86cpu, skx_cpuids);
-#define SKX_GET_MTMTR(dev, reg) \
- pci_read_config_dword((dev), 0x87c, &(reg))
-
-static bool skx_check_ecc(struct pci_dev *pdev)
+static bool skx_check_ecc(u32 mcmtr)
{
- u32 mtmtr;
-
- SKX_GET_MTMTR(pdev, mtmtr);
-
- return !!GET_BITFIELD(mtmtr, 2, 2);
+ return !!GET_BITFIELD(mcmtr, 2, 2);
}
static int skx_get_dimm_config(struct mem_ctl_info *mci)
{
struct skx_pvt *pvt = mci->pvt_info;
+ u32 mtr, mcmtr, amap, mcddrtcfg;
struct skx_imc *imc = pvt->imc;
- u32 mtr, amap, mcddrtcfg;
struct dimm_info *dimm;
int i, j;
int ndimms;
+ /* Only the mcmtr on the first channel is effective */
+ pci_read_config_dword(imc->chan[0].cdev, 0x87c, &mcmtr);
+
for (i = 0; i < SKX_NUM_CHANNELS; i++) {
ndimms = 0;
pci_read_config_dword(imc->chan[i].cdev, 0x8C, &amap);
@@ -193,14 +195,14 @@ static int skx_get_dimm_config(struct mem_ctl_info *mci)
pci_read_config_dword(imc->chan[i].cdev,
0x80 + 4 * j, &mtr);
if (IS_DIMM_PRESENT(mtr)) {
- ndimms += skx_get_dimm_info(mtr, amap, dimm, imc, i, j);
+ ndimms += skx_get_dimm_info(mtr, mcmtr, amap, dimm, imc, i, j);
} else if (IS_NVDIMM_PRESENT(mcddrtcfg, j)) {
ndimms += skx_get_nvdimm_info(dimm, imc, i, j,
EDAC_MOD_STR);
nvdimm_count++;
}
}
- if (ndimms && !skx_check_ecc(imc->chan[0].cdev)) {
+ if (ndimms && !skx_check_ecc(mcmtr)) {
skx_printk(KERN_ERR, "ECC is disabled on imc %d\n", imc->mc);
return -ENODEV;
}
@@ -641,6 +643,7 @@ static inline void teardown_skx_debug(void) {}
static int __init skx_init(void)
{
const struct x86_cpu_id *id;
+ struct res_config *cfg;
const struct munit *m;
const char *owner;
int rc = 0, i, off[3] = {0xd0, 0xd4, 0xd8};
@@ -657,11 +660,13 @@ static int __init skx_init(void)
if (!id)
return -ENODEV;
+ cfg = (struct res_config *)id->driver_data;
+
rc = skx_get_hi_lo(0x2034, off, &skx_tolm, &skx_tohm);
if (rc)
return rc;
- rc = skx_get_all_bus_mappings(0x2016, 0xcc, SKX, &skx_edac_list);
+ rc = skx_get_all_bus_mappings(cfg, &skx_edac_list);
if (rc < 0)
goto fail;
if (rc == 0) {
diff --git a/drivers/edac/skx_common.c b/drivers/edac/skx_common.c
index 99bbaf629b8d..46be1a77bd1d 100644
--- a/drivers/edac/skx_common.c
+++ b/drivers/edac/skx_common.c
@@ -197,12 +197,11 @@ static int get_width(u32 mtr)
}
/*
- * We use the per-socket device @did to count how many sockets are present,
+ * We use the per-socket device @cfg->did to count how many sockets are present,
* and to detemine which PCI buses are associated with each socket. Allocate
* and build the full list of all the skx_dev structures that we need here.
*/
-int skx_get_all_bus_mappings(unsigned int did, int off, enum type type,
- struct list_head **list)
+int skx_get_all_bus_mappings(struct res_config *cfg, struct list_head **list)
{
struct pci_dev *pdev, *prev;
struct skx_dev *d;
@@ -211,7 +210,7 @@ int skx_get_all_bus_mappings(unsigned int did, int off, enum type type,
prev = NULL;
for (;;) {
- pdev = pci_get_device(PCI_VENDOR_ID_INTEL, did, prev);
+ pdev = pci_get_device(PCI_VENDOR_ID_INTEL, cfg->decs_did, prev);
if (!pdev)
break;
ndev++;
@@ -221,7 +220,7 @@ int skx_get_all_bus_mappings(unsigned int did, int off, enum type type,
return -ENOMEM;
}
- if (pci_read_config_dword(pdev, off, &reg)) {
+ if (pci_read_config_dword(pdev, cfg->busno_cfg_offset, &reg)) {
kfree(d);
pci_dev_put(pdev);
skx_printk(KERN_ERR, "Failed to read bus idx\n");
@@ -230,7 +229,7 @@ int skx_get_all_bus_mappings(unsigned int did, int off, enum type type,
d->bus[0] = GET_BITFIELD(reg, 0, 7);
d->bus[1] = GET_BITFIELD(reg, 8, 15);
- if (type == SKX) {
+ if (cfg->type == SKX) {
d->seg = pci_domain_nr(pdev->bus);
d->bus[2] = GET_BITFIELD(reg, 16, 23);
d->bus[3] = GET_BITFIELD(reg, 24, 31);
@@ -304,7 +303,7 @@ static int skx_get_dimm_attr(u32 reg, int lobit, int hibit, int add,
#define numrow(reg) skx_get_dimm_attr(reg, 2, 4, 12, 1, 6, "rows")
#define numcol(reg) skx_get_dimm_attr(reg, 0, 1, 10, 0, 2, "cols")
-int skx_get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm,
+int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm,
struct skx_imc *imc, int chan, int dimmno)
{
int banks = 16, ranks, rows, cols, npages;
@@ -324,8 +323,8 @@ int skx_get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm,
imc->mc, chan, dimmno, size, npages,
banks, 1 << ranks, rows, cols);
- imc->chan[chan].dimms[dimmno].close_pg = GET_BITFIELD(mtr, 0, 0);
- imc->chan[chan].dimms[dimmno].bank_xor_enable = GET_BITFIELD(mtr, 9, 9);
+ imc->chan[chan].dimms[dimmno].close_pg = GET_BITFIELD(mcmtr, 0, 0);
+ imc->chan[chan].dimms[dimmno].bank_xor_enable = GET_BITFIELD(mcmtr, 9, 9);
imc->chan[chan].dimms[dimmno].fine_grain_bank = GET_BITFIELD(amap, 0, 0);
imc->chan[chan].dimms[dimmno].rowbits = rows;
imc->chan[chan].dimms[dimmno].colbits = cols;
diff --git a/drivers/edac/skx_common.h b/drivers/edac/skx_common.h
index 60d1ea669afd..78f8c1de0b71 100644
--- a/drivers/edac/skx_common.h
+++ b/drivers/edac/skx_common.h
@@ -112,6 +112,14 @@ struct decoded_addr {
int bank_group;
};
+struct res_config {
+ enum type type;
+ /* Configuration agent device ID */
+ unsigned int decs_did;
+ /* Default bus number configuration register offset */
+ int busno_cfg_offset;
+};
+
typedef int (*get_dimm_config_f)(struct mem_ctl_info *mci);
typedef bool (*skx_decode_f)(struct decoded_addr *res);
typedef void (*skx_show_retry_log_f)(struct decoded_addr *res, char *msg, int len);
@@ -123,12 +131,11 @@ void skx_set_decode(skx_decode_f decode, skx_show_retry_log_f show_retry_log);
int skx_get_src_id(struct skx_dev *d, int off, u8 *id);
int skx_get_node_id(struct skx_dev *d, u8 *id);
-int skx_get_all_bus_mappings(unsigned int did, int off, enum type,
- struct list_head **list);
+int skx_get_all_bus_mappings(struct res_config *cfg, struct list_head **list);
int skx_get_hi_lo(unsigned int did, int off[], u64 *tolm, u64 *tohm);
-int skx_get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm,
+int skx_get_dimm_info(u32 mtr, u32 mcmtr, u32 amap, struct dimm_info *dimm,
struct skx_imc *imc, int chan, int dimmno);
int skx_get_nvdimm_info(struct dimm_info *dimm, struct skx_imc *imc,
diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c
index 34be60fe6892..4af9744cc6d0 100644
--- a/drivers/edac/thunderx_edac.c
+++ b/drivers/edac/thunderx_edac.c
@@ -1278,7 +1278,7 @@ OCX_DEBUGFS_ATTR(lne23_badcnt, OCX_LNE_BAD_CNT(23));
OCX_DEBUGFS_ATTR(com_int, OCX_COM_INT_W1S);
-struct debugfs_entry *ocx_dfs_ents[] = {
+static struct debugfs_entry *ocx_dfs_ents[] = {
&debugfs_tlk0_ecc_ctl,
&debugfs_tlk1_ecc_ctl,
&debugfs_tlk2_ecc_ctl,
@@ -1919,19 +1919,19 @@ err_free:
L2C_DEBUGFS_ATTR(tad_int, L2C_TAD_INT_W1S);
-struct debugfs_entry *l2c_tad_dfs_ents[] = {
+static struct debugfs_entry *l2c_tad_dfs_ents[] = {
&debugfs_tad_int,
};
L2C_DEBUGFS_ATTR(cbc_int, L2C_CBC_INT_W1S);
-struct debugfs_entry *l2c_cbc_dfs_ents[] = {
+static struct debugfs_entry *l2c_cbc_dfs_ents[] = {
&debugfs_cbc_int,
};
L2C_DEBUGFS_ATTR(mci_int, L2C_MCI_INT_W1S);
-struct debugfs_entry *l2c_mci_dfs_ents[] = {
+static struct debugfs_entry *l2c_mci_dfs_ents[] = {
&debugfs_mci_int,
};
diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c
index e4a1032ba0b5..1d2c27a00a4a 100644
--- a/drivers/edac/xgene_edac.c
+++ b/drivers/edac/xgene_edac.c
@@ -1349,7 +1349,6 @@ static int xgene_edac_l3_remove(struct xgene_edac_dev_ctx *l3)
#define WORD_ALIGNED_ERR_MASK BIT(28)
#define PAGE_ACCESS_ERR_MASK BIT(27)
#define WRITE_ACCESS_MASK BIT(26)
-#define RBERRADDR_RD(src) ((src) & 0x03FFFFFF)
static const char * const soc_mem_err_v1[] = {
"10GbE0",
@@ -1483,13 +1482,11 @@ static void xgene_edac_rb_report(struct edac_device_ctl_info *edac_dev)
return;
if (reg & STICKYERR_MASK) {
bool write;
- u32 address;
dev_err(edac_dev->dev, "IOB bus access error(s)\n");
if (regmap_read(ctx->edac->rb_map, RBEIR, &reg))
return;
write = reg & WRITE_ACCESS_MASK ? 1 : 0;
- address = RBERRADDR_RD(reg);
if (reg & AGENT_OFFLINE_ERR_MASK)
dev_err(edac_dev->dev,
"IOB bus %s access to offline agent error\n",
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 6e291d8f3a27..c7ea4f2d5ca6 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -1081,8 +1081,6 @@ static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
return -EINVAL;
p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);
- if (!access_ok(p, a->size))
- return -EFAULT;
end = (void __user *)p + a->size;
count = 0;
@@ -1120,7 +1118,7 @@ static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
&p->header[transmit_header_bytes / 4];
if (next > end)
return -EINVAL;
- if (__copy_from_user
+ if (copy_from_user
(u.packet.header, p->header, transmit_header_bytes))
return -EFAULT;
if (u.packet.skip && ctx->type == FW_ISO_CONTEXT_TRANSMIT &&
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index 8007d4aa76dc..4843e94713a4 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -295,15 +295,13 @@ config TURRIS_MOX_RWTM
other manufacturing data and also utilize the Entropy Bit Generator
for hardware random number generation.
-config HAVE_ARM_SMCCC
- bool
-
-source "drivers/firmware/psci/Kconfig"
source "drivers/firmware/broadcom/Kconfig"
source "drivers/firmware/google/Kconfig"
source "drivers/firmware/efi/Kconfig"
source "drivers/firmware/imx/Kconfig"
source "drivers/firmware/meson/Kconfig"
+source "drivers/firmware/psci/Kconfig"
+source "drivers/firmware/smccc/Kconfig"
source "drivers/firmware/tegra/Kconfig"
source "drivers/firmware/xilinx/Kconfig"
diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile
index e9fb838af4df..99510be9f5ed 100644
--- a/drivers/firmware/Makefile
+++ b/drivers/firmware/Makefile
@@ -23,12 +23,13 @@ obj-$(CONFIG_TRUSTED_FOUNDATIONS) += trusted_foundations.o
obj-$(CONFIG_TURRIS_MOX_RWTM) += turris-mox-rwtm.o
obj-$(CONFIG_ARM_SCMI_PROTOCOL) += arm_scmi/
-obj-y += psci/
obj-y += broadcom/
obj-y += meson/
obj-$(CONFIG_GOOGLE_FIRMWARE) += google/
obj-$(CONFIG_EFI) += efi/
obj-$(CONFIG_UEFI_CPER) += efi/
obj-y += imx/
+obj-y += psci/
+obj-y += smccc/
obj-y += tegra/
obj-y += xilinx/
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 334c8be0c11f..e7e36aab2386 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -429,7 +429,6 @@ int sdei_event_enable(u32 event_num)
return err;
}
-EXPORT_SYMBOL(sdei_event_enable);
static int sdei_api_event_disable(u32 event_num)
{
@@ -471,7 +470,6 @@ int sdei_event_disable(u32 event_num)
return err;
}
-EXPORT_SYMBOL(sdei_event_disable);
static int sdei_api_event_unregister(u32 event_num)
{
@@ -533,7 +531,6 @@ int sdei_event_unregister(u32 event_num)
return err;
}
-EXPORT_SYMBOL(sdei_event_unregister);
/*
* unregister events, but don't destroy them as they are re-registered by
@@ -643,7 +640,6 @@ int sdei_event_register(u32 event_num, sdei_event_callback *cb, void *arg)
return err;
}
-EXPORT_SYMBOL(sdei_event_register);
static int sdei_reregister_event_llocked(struct sdei_event *event)
{
@@ -1079,26 +1075,9 @@ static struct platform_driver sdei_driver = {
.probe = sdei_probe,
};
-static bool __init sdei_present_dt(void)
-{
- struct device_node *np, *fw_np;
-
- fw_np = of_find_node_by_name(NULL, "firmware");
- if (!fw_np)
- return false;
-
- np = of_find_matching_node(fw_np, sdei_of_match);
- if (!np)
- return false;
- of_node_put(np);
-
- return true;
-}
-
static bool __init sdei_present_acpi(void)
{
acpi_status status;
- struct platform_device *pdev;
struct acpi_table_header *sdei_table_header;
if (acpi_disabled)
@@ -1113,20 +1092,26 @@ static bool __init sdei_present_acpi(void)
if (ACPI_FAILURE(status))
return false;
- pdev = platform_device_register_simple(sdei_driver.driver.name, 0, NULL,
- 0);
- if (IS_ERR(pdev))
- return false;
+ acpi_put_table(sdei_table_header);
return true;
}
static int __init sdei_init(void)
{
- if (sdei_present_dt() || sdei_present_acpi())
- platform_driver_register(&sdei_driver);
+ int ret = platform_driver_register(&sdei_driver);
- return 0;
+ if (!ret && sdei_present_acpi()) {
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_simple(sdei_driver.driver.name,
+ 0, NULL, 0);
+ if (IS_ERR(pdev))
+ pr_info("Failed to register ACPI:SDEI platform device %ld\n",
+ PTR_ERR(pdev));
+ }
+
+ return ret;
}
/*
@@ -1143,6 +1128,14 @@ int sdei_event_handler(struct pt_regs *regs,
mm_segment_t orig_addr_limit;
u32 event_num = arg->event_num;
+ /*
+ * Save restore 'fs'.
+ * The architecture's entry code save/restores 'fs' when taking an
+ * exception from the kernel. This ensures addr_limit isn't inherited
+ * if you interrupted something that allowed the uaccess routines to
+ * access kernel memory.
+ * Do the same here because this doesn't come via the same entry code.
+ */
orig_addr_limit = get_fs();
set_fs(USER_DS);
diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
index 613828d3f106..6b38f9e5d203 100644
--- a/drivers/firmware/efi/Kconfig
+++ b/drivers/firmware/efi/Kconfig
@@ -106,12 +106,12 @@ config EFI_PARAMS_FROM_FDT
config EFI_RUNTIME_WRAPPERS
bool
-config EFI_ARMSTUB
+config EFI_GENERIC_STUB
bool
config EFI_ARMSTUB_DTB_LOADER
bool "Enable the DTB loader"
- depends on EFI_ARMSTUB
+ depends on EFI_GENERIC_STUB
default y
help
Select this config option to add support for the dtb= command
@@ -124,6 +124,17 @@ config EFI_ARMSTUB_DTB_LOADER
functionality for bootloaders that do not have such support
this option is necessary.
+config EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER
+ bool "Enable the command line initrd loader" if !X86
+ depends on EFI_STUB && (EFI_GENERIC_STUB || X86)
+ default y
+ help
+ Select this config option to add support for the initrd= command
+ line parameter, allowing an initrd that resides on the same volume
+ as the kernel image to be loaded into memory.
+
+ This method is deprecated.
+
config EFI_BOOTLOADER_CONTROL
tristate "EFI Bootloader Control"
depends on EFI_VARS
diff --git a/drivers/firmware/efi/arm-init.c b/drivers/firmware/efi/arm-init.c
index 9e5e62f5f94d..c697e70ca7e7 100644
--- a/drivers/firmware/efi/arm-init.c
+++ b/drivers/firmware/efi/arm-init.c
@@ -54,8 +54,8 @@ static phys_addr_t __init efi_to_phys(unsigned long addr)
static __initdata unsigned long screen_info_table = EFI_INVALID_TABLE_ADDR;
static const efi_config_table_type_t arch_tables[] __initconst = {
- {LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID, NULL, &screen_info_table},
- {NULL_GUID, NULL, NULL}
+ {LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID, &screen_info_table},
+ {}
};
static void __init init_screen_info(void)
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index 9d2512913d25..f564e15fbc7e 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -407,6 +407,58 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
}
}
+static const char * const fw_err_rec_type_strs[] = {
+ "IPF SAL Error Record",
+ "SOC Firmware Error Record Type1 (Legacy CrashLog Support)",
+ "SOC Firmware Error Record Type2",
+};
+
+static void cper_print_fw_err(const char *pfx,
+ struct acpi_hest_generic_data *gdata,
+ const struct cper_sec_fw_err_rec_ref *fw_err)
+{
+ void *buf = acpi_hest_get_payload(gdata);
+ u32 offset, length = gdata->error_data_length;
+
+ printk("%s""Firmware Error Record Type: %s\n", pfx,
+ fw_err->record_type < ARRAY_SIZE(fw_err_rec_type_strs) ?
+ fw_err_rec_type_strs[fw_err->record_type] : "unknown");
+ printk("%s""Revision: %d\n", pfx, fw_err->revision);
+
+ /* Record Type based on UEFI 2.7 */
+ if (fw_err->revision == 0) {
+ printk("%s""Record Identifier: %08llx\n", pfx,
+ fw_err->record_identifier);
+ } else if (fw_err->revision == 2) {
+ printk("%s""Record Identifier: %pUl\n", pfx,
+ &fw_err->record_identifier_guid);
+ }
+
+ /*
+ * The FW error record may contain trailing data beyond the
+ * structure defined by the specification. As the fields
+ * defined (and hence the offset of any trailing data) vary
+ * with the revision, set the offset to account for this
+ * variation.
+ */
+ if (fw_err->revision == 0) {
+ /* record_identifier_guid not defined */
+ offset = offsetof(struct cper_sec_fw_err_rec_ref,
+ record_identifier_guid);
+ } else if (fw_err->revision == 1) {
+ /* record_identifier not defined */
+ offset = offsetof(struct cper_sec_fw_err_rec_ref,
+ record_identifier);
+ } else {
+ offset = sizeof(*fw_err);
+ }
+
+ buf += offset;
+ length -= offset;
+
+ print_hex_dump(pfx, "", DUMP_PREFIX_OFFSET, 16, 4, buf, length, true);
+}
+
static void cper_print_tstamp(const char *pfx,
struct acpi_hest_generic_data_v300 *gdata)
{
@@ -494,6 +546,16 @@ cper_estatus_print_section(const char *pfx, struct acpi_hest_generic_data *gdata
else
goto err_section_too_small;
#endif
+ } else if (guid_equal(sec_type, &CPER_SEC_FW_ERR_REC_REF)) {
+ struct cper_sec_fw_err_rec_ref *fw_err = acpi_hest_get_payload(gdata);
+
+ printk("%ssection_type: Firmware Error Record Reference\n",
+ newpfx);
+ /* The minimal FW Error Record contains 16 bytes */
+ if (gdata->error_data_length >= SZ_16)
+ cper_print_fw_err(newpfx, gdata, fw_err);
+ else
+ goto err_section_too_small;
} else {
const void *err = acpi_hest_get_payload(gdata);
diff --git a/drivers/firmware/efi/earlycon.c b/drivers/firmware/efi/earlycon.c
index 5d4f84781aa0..a52236e11e5f 100644
--- a/drivers/firmware/efi/earlycon.c
+++ b/drivers/firmware/efi/earlycon.c
@@ -114,14 +114,16 @@ static void efi_earlycon_write_char(u32 *dst, unsigned char c, unsigned int h)
const u32 color_black = 0x00000000;
const u32 color_white = 0x00ffffff;
const u8 *src;
- u8 s8;
- int m;
+ int m, n, bytes;
+ u8 x;
- src = font->data + c * font->height;
- s8 = *(src + h);
+ bytes = BITS_TO_BYTES(font->width);
+ src = font->data + c * font->height * bytes + h * bytes;
- for (m = 0; m < 8; m++) {
- if ((s8 >> (7 - m)) & 1)
+ for (m = 0; m < font->width; m++) {
+ n = m % 8;
+ x = *(src + m / 8);
+ if ((x >> (7 - n)) & 1)
*dst = color_white;
else
*dst = color_black;
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 911a2bd0f6b7..9357d6b6e87c 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -130,11 +130,8 @@ static ssize_t systab_show(struct kobject *kobj,
if (efi.smbios != EFI_INVALID_TABLE_ADDR)
str += sprintf(str, "SMBIOS=0x%lx\n", efi.smbios);
- if (IS_ENABLED(CONFIG_IA64) || IS_ENABLED(CONFIG_X86)) {
- extern char *efi_systab_show_arch(char *str);
-
+ if (IS_ENABLED(CONFIG_IA64) || IS_ENABLED(CONFIG_X86))
str = efi_systab_show_arch(str);
- }
return str - buf;
}
@@ -502,21 +499,21 @@ void __init efi_mem_reserve(phys_addr_t addr, u64 size)
}
static const efi_config_table_type_t common_tables[] __initconst = {
- {ACPI_20_TABLE_GUID, "ACPI 2.0", &efi.acpi20},
- {ACPI_TABLE_GUID, "ACPI", &efi.acpi},
- {SMBIOS_TABLE_GUID, "SMBIOS", &efi.smbios},
- {SMBIOS3_TABLE_GUID, "SMBIOS 3.0", &efi.smbios3},
- {EFI_SYSTEM_RESOURCE_TABLE_GUID, "ESRT", &efi.esrt},
- {EFI_MEMORY_ATTRIBUTES_TABLE_GUID, "MEMATTR", &efi_mem_attr_table},
- {LINUX_EFI_RANDOM_SEED_TABLE_GUID, "RNG", &efi_rng_seed},
- {LINUX_EFI_TPM_EVENT_LOG_GUID, "TPMEventLog", &efi.tpm_log},
- {LINUX_EFI_TPM_FINAL_LOG_GUID, "TPMFinalLog", &efi.tpm_final_log},
- {LINUX_EFI_MEMRESERVE_TABLE_GUID, "MEMRESERVE", &mem_reserve},
- {EFI_RT_PROPERTIES_TABLE_GUID, "RTPROP", &rt_prop},
+ {ACPI_20_TABLE_GUID, &efi.acpi20, "ACPI 2.0" },
+ {ACPI_TABLE_GUID, &efi.acpi, "ACPI" },
+ {SMBIOS_TABLE_GUID, &efi.smbios, "SMBIOS" },
+ {SMBIOS3_TABLE_GUID, &efi.smbios3, "SMBIOS 3.0" },
+ {EFI_SYSTEM_RESOURCE_TABLE_GUID, &efi.esrt, "ESRT" },
+ {EFI_MEMORY_ATTRIBUTES_TABLE_GUID, &efi_mem_attr_table, "MEMATTR" },
+ {LINUX_EFI_RANDOM_SEED_TABLE_GUID, &efi_rng_seed, "RNG" },
+ {LINUX_EFI_TPM_EVENT_LOG_GUID, &efi.tpm_log, "TPMEventLog" },
+ {LINUX_EFI_TPM_FINAL_LOG_GUID, &efi.tpm_final_log, "TPMFinalLog" },
+ {LINUX_EFI_MEMRESERVE_TABLE_GUID, &mem_reserve, "MEMRESERVE" },
+ {EFI_RT_PROPERTIES_TABLE_GUID, &rt_prop, "RTPROP" },
#ifdef CONFIG_EFI_RCI2_TABLE
- {DELLEMC_EFI_RCI2_TABLE_GUID, NULL, &rci2_table_phys},
+ {DELLEMC_EFI_RCI2_TABLE_GUID, &rci2_table_phys },
#endif
- {NULL_GUID, NULL, NULL},
+ {},
};
static __init int match_config_table(const efi_guid_t *guid,
@@ -525,15 +522,13 @@ static __init int match_config_table(const efi_guid_t *guid,
{
int i;
- if (table_types) {
- for (i = 0; efi_guidcmp(table_types[i].guid, NULL_GUID); i++) {
- if (!efi_guidcmp(*guid, table_types[i].guid)) {
- *(table_types[i].ptr) = table;
- if (table_types[i].name)
- pr_cont(" %s=0x%lx ",
- table_types[i].name, table);
- return 1;
- }
+ for (i = 0; efi_guidcmp(table_types[i].guid, NULL_GUID); i++) {
+ if (!efi_guidcmp(*guid, table_types[i].guid)) {
+ *(table_types[i].ptr) = table;
+ if (table_types[i].name[0])
+ pr_cont("%s=0x%lx ",
+ table_types[i].name, table);
+ return 1;
}
}
@@ -570,7 +565,7 @@ int __init efi_config_parse_tables(const efi_config_table_t *config_tables,
table = tbl32[i].table;
}
- if (!match_config_table(guid, table, common_tables))
+ if (!match_config_table(guid, table, common_tables) && arch_tables)
match_config_table(guid, table, arch_tables);
}
pr_cont("\n");
diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
index 78ad1ba8c987..26528a46d99e 100644
--- a/drivers/firmware/efi/efivars.c
+++ b/drivers/firmware/efi/efivars.c
@@ -522,8 +522,10 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var)
ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype,
NULL, "%s", short_name);
kfree(short_name);
- if (ret)
+ if (ret) {
+ kobject_put(&new_var->kobj);
return ret;
+ }
kobject_uevent(&new_var->kobj, KOBJ_ADD);
if (efivar_entry_add(new_var, &efivar_sysfs_list)) {
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 094eabdecfe6..cce4a7436052 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -7,7 +7,7 @@
#
cflags-$(CONFIG_X86_32) := -march=i386
cflags-$(CONFIG_X86_64) := -mcmodel=small
-cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -O2 \
+cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ \
-fPIC -fno-strict-aliasing -mno-red-zone \
-mno-mmx -mno-sse -fshort-wchar \
-Wno-pointer-sign \
@@ -23,15 +23,19 @@ cflags-$(CONFIG_ARM) := $(subst $(CC_FLAGS_FTRACE),,$(KBUILD_CFLAGS)) \
-fno-builtin -fpic \
$(call cc-option,-mno-single-pic-base)
-cflags-$(CONFIG_EFI_ARMSTUB) += -I$(srctree)/scripts/dtc/libfdt
+cflags-$(CONFIG_EFI_GENERIC_STUB) += -I$(srctree)/scripts/dtc/libfdt
-KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \
+KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \
-include $(srctree)/drivers/firmware/efi/libstub/hidden.h \
-D__NO_FORTIFY \
$(call cc-option,-ffreestanding) \
$(call cc-option,-fno-stack-protector) \
+ $(call cc-option,-fno-addrsig) \
-D__DISABLE_EXPORTS
+# remove SCS flags from all objects in this directory
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+
GCOV_PROFILE := n
KASAN_SANITIZE := n
UBSAN_SANITIZE := n
@@ -42,16 +46,17 @@ KCOV_INSTRUMENT := n
lib-y := efi-stub-helper.o gop.o secureboot.o tpm.o \
file.o mem.o random.o randomalloc.o pci.o \
- skip_spaces.o lib-cmdline.o lib-ctype.o
+ skip_spaces.o lib-cmdline.o lib-ctype.o \
+ alignedmem.o relocate.o vsprintf.o
# include the stub's generic dependencies from lib/ when building for ARM/arm64
-arm-deps-y := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c
+efi-deps-y := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c
$(obj)/lib-%.o: $(srctree)/lib/%.c FORCE
$(call if_changed_rule,cc_o_c)
-lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o \
- $(patsubst %.c,lib-%.o,$(arm-deps-y))
+lib-$(CONFIG_EFI_GENERIC_STUB) += efi-stub.o fdt.o string.o \
+ $(patsubst %.c,lib-%.o,$(efi-deps-y))
lib-$(CONFIG_ARM) += arm32-stub.o
lib-$(CONFIG_ARM64) += arm64-stub.o
@@ -60,6 +65,25 @@ CFLAGS_arm32-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
#
+# For x86, bootloaders like systemd-boot or grub-efi do not zero-initialize the
+# .bss section, so the .bss section of the EFI stub needs to be included in the
+# .data section of the compressed kernel to ensure initialization. Rename the
+# .bss section here so it's easy to pick out in the linker script.
+#
+STUBCOPY_FLAGS-$(CONFIG_X86) += --rename-section .bss=.bss.efistub,load,alloc
+STUBCOPY_RELOC-$(CONFIG_X86_32) := R_386_32
+STUBCOPY_RELOC-$(CONFIG_X86_64) := R_X86_64_64
+
+#
+# ARM discards the .data section because it disallows r/w data in the
+# decompressor. So move our .data to .data.efistub and .bss to .bss.efistub,
+# which are preserved explicitly by the decompressor linker script.
+#
+STUBCOPY_FLAGS-$(CONFIG_ARM) += --rename-section .data=.data.efistub \
+ --rename-section .bss=.bss.efistub,load,alloc
+STUBCOPY_RELOC-$(CONFIG_ARM) := R_ARM_ABS
+
+#
# arm64 puts the stub in the kernel proper, which will unnecessarily retain all
# code indefinitely unless it is annotated as __init/__initdata/__initconst etc.
# So let's apply the __init annotations at the section level, by prefixing
@@ -73,8 +97,8 @@ CFLAGS_arm64-stub.o := -DTEXT_OFFSET=$(TEXT_OFFSET)
# a verification pass to see if any absolute relocations exist in any of the
# object files.
#
-extra-$(CONFIG_EFI_ARMSTUB) := $(lib-y)
-lib-$(CONFIG_EFI_ARMSTUB) := $(patsubst %.o,%.stub.o,$(lib-y))
+extra-y := $(lib-y)
+lib-y := $(patsubst %.o,%.stub.o,$(lib-y))
STUBCOPY_FLAGS-$(CONFIG_ARM64) += --prefix-alloc-sections=.init \
--prefix-symbols=__efistub_
@@ -97,11 +121,3 @@ quiet_cmd_stubcopy = STUBCPY $@
/bin/false; \
fi; \
$(OBJCOPY) $(STUBCOPY_FLAGS-y) $< $@
-
-#
-# ARM discards the .data section because it disallows r/w data in the
-# decompressor. So move our .data to .data.efistub, which is preserved
-# explicitly by the decompressor linker script.
-#
-STUBCOPY_FLAGS-$(CONFIG_ARM) += --rename-section .data=.data.efistub
-STUBCOPY_RELOC-$(CONFIG_ARM) := R_ARM_ABS
diff --git a/drivers/firmware/efi/libstub/alignedmem.c b/drivers/firmware/efi/libstub/alignedmem.c
new file mode 100644
index 000000000000..cc89c4d6196f
--- /dev/null
+++ b/drivers/firmware/efi/libstub/alignedmem.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/efi.h>
+#include <asm/efi.h>
+
+#include "efistub.h"
+
+/**
+ * efi_allocate_pages_aligned() - Allocate memory pages
+ * @size: minimum number of bytes to allocate
+ * @addr: On return the address of the first allocated page. The first
+ * allocated page has alignment EFI_ALLOC_ALIGN which is an
+ * architecture dependent multiple of the page size.
+ * @max: the address that the last allocated memory page shall not
+ * exceed
+ * @align: minimum alignment of the base of the allocation
+ *
+ * Allocate pages as EFI_LOADER_DATA. The allocated pages are aligned according
+ * to @align, which should be >= EFI_ALLOC_ALIGN. The last allocated page will
+ * not exceed the address given by @max.
+ *
+ * Return: status code
+ */
+efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
+ unsigned long max, unsigned long align)
+{
+ efi_physical_addr_t alloc_addr;
+ efi_status_t status;
+ int slack;
+
+ if (align < EFI_ALLOC_ALIGN)
+ align = EFI_ALLOC_ALIGN;
+
+ alloc_addr = ALIGN_DOWN(max + 1, align) - 1;
+ size = round_up(size, EFI_ALLOC_ALIGN);
+ slack = align / EFI_PAGE_SIZE - 1;
+
+ status = efi_bs_call(allocate_pages, EFI_ALLOCATE_MAX_ADDRESS,
+ EFI_LOADER_DATA, size / EFI_PAGE_SIZE + slack,
+ &alloc_addr);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ *addr = ALIGN((unsigned long)alloc_addr, align);
+
+ if (slack > 0) {
+ int l = (alloc_addr % align) / EFI_PAGE_SIZE;
+
+ if (l) {
+ efi_bs_call(free_pages, alloc_addr, slack - l + 1);
+ slack = l - 1;
+ }
+ if (slack)
+ efi_bs_call(free_pages, *addr + size, slack);
+ }
+ return EFI_SUCCESS;
+}
diff --git a/drivers/firmware/efi/libstub/arm32-stub.c b/drivers/firmware/efi/libstub/arm32-stub.c
index 7826553af2ba..40243f524556 100644
--- a/drivers/firmware/efi/libstub/arm32-stub.c
+++ b/drivers/firmware/efi/libstub/arm32-stub.c
@@ -18,7 +18,7 @@ efi_status_t check_platform_features(void)
/* LPAE kernels need compatible hardware */
block = cpuid_feature_extract(CPUID_EXT_MMFR0, 0);
if (block < 5) {
- pr_efi_err("This LPAE kernel is not supported by your CPU\n");
+ efi_err("This LPAE kernel is not supported by your CPU\n");
return EFI_UNSUPPORTED;
}
return EFI_SUCCESS;
@@ -120,7 +120,7 @@ static efi_status_t reserve_kernel_base(unsigned long dram_base,
*/
status = efi_get_memory_map(&map);
if (status != EFI_SUCCESS) {
- pr_efi_err("reserve_kernel_base(): Unable to retrieve memory map.\n");
+ efi_err("reserve_kernel_base(): Unable to retrieve memory map.\n");
return status;
}
@@ -162,7 +162,7 @@ static efi_status_t reserve_kernel_base(unsigned long dram_base,
(end - start) / EFI_PAGE_SIZE,
&start);
if (status != EFI_SUCCESS) {
- pr_efi_err("reserve_kernel_base(): alloc failed.\n");
+ efi_err("reserve_kernel_base(): alloc failed.\n");
goto out;
}
break;
@@ -199,14 +199,8 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
unsigned long kernel_base;
efi_status_t status;
- /*
- * Verify that the DRAM base address is compatible with the ARM
- * boot protocol, which determines the base of DRAM by masking
- * off the low 27 bits of the address at which the zImage is
- * loaded. These assumptions are made by the decompressor,
- * before any memory map is available.
- */
- kernel_base = round_up(dram_base, SZ_128M);
+ /* use a 16 MiB aligned base for the decompressed kernel */
+ kernel_base = round_up(dram_base, SZ_16M) + TEXT_OFFSET;
/*
* Note that some platforms (notably, the Raspberry Pi 2) put
@@ -215,41 +209,14 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
* base of the kernel image is only partially used at the moment.
* (Up to 5 pages are used for the swapper page tables)
*/
- kernel_base += TEXT_OFFSET - 5 * PAGE_SIZE;
-
- status = reserve_kernel_base(kernel_base, reserve_addr, reserve_size);
- if (status != EFI_SUCCESS) {
- pr_efi_err("Unable to allocate memory for uncompressed kernel.\n");
- return status;
- }
-
- /*
- * Relocate the zImage, so that it appears in the lowest 128 MB
- * memory window.
- */
- *image_addr = (unsigned long)image->image_base;
- *image_size = image->image_size;
- status = efi_relocate_kernel(image_addr, *image_size, *image_size,
- kernel_base + MAX_UNCOMP_KERNEL_SIZE, 0, 0);
+ status = reserve_kernel_base(kernel_base - 5 * PAGE_SIZE, reserve_addr,
+ reserve_size);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to relocate kernel.\n");
- efi_free(*reserve_size, *reserve_addr);
- *reserve_size = 0;
+ efi_err("Unable to allocate memory for uncompressed kernel.\n");
return status;
}
- /*
- * Check to see if we were able to allocate memory low enough
- * in memory. The kernel determines the base of DRAM from the
- * address at which the zImage is loaded.
- */
- if (*image_addr + *image_size > dram_base + ZIMAGE_OFFSET_LIMIT) {
- pr_efi_err("Failed to relocate kernel, no low memory available.\n");
- efi_free(*reserve_size, *reserve_addr);
- *reserve_size = 0;
- efi_free(*image_size, *image_addr);
- *image_size = 0;
- return EFI_LOAD_ERROR;
- }
+ *image_addr = kernel_base;
+ *image_size = 0;
return EFI_SUCCESS;
}
diff --git a/drivers/firmware/efi/libstub/arm64-stub.c b/drivers/firmware/efi/libstub/arm64-stub.c
index fc9f8ab533a7..7f6a57dec513 100644
--- a/drivers/firmware/efi/libstub/arm64-stub.c
+++ b/drivers/firmware/efi/libstub/arm64-stub.c
@@ -26,14 +26,23 @@ efi_status_t check_platform_features(void)
tg = (read_cpuid(ID_AA64MMFR0_EL1) >> ID_AA64MMFR0_TGRAN_SHIFT) & 0xf;
if (tg != ID_AA64MMFR0_TGRAN_SUPPORTED) {
if (IS_ENABLED(CONFIG_ARM64_64K_PAGES))
- pr_efi_err("This 64 KB granular kernel is not supported by your CPU\n");
+ efi_err("This 64 KB granular kernel is not supported by your CPU\n");
else
- pr_efi_err("This 16 KB granular kernel is not supported by your CPU\n");
+ efi_err("This 16 KB granular kernel is not supported by your CPU\n");
return EFI_UNSUPPORTED;
}
return EFI_SUCCESS;
}
+/*
+ * Relocatable kernels can fix up the misalignment with respect to
+ * MIN_KIMG_ALIGN, so they only require a minimum alignment of EFI_KIMG_ALIGN
+ * (which accounts for the alignment of statically allocated objects such as
+ * the swapper stack.)
+ */
+static const u64 min_kimg_align = IS_ENABLED(CONFIG_RELOCATABLE) ? EFI_KIMG_ALIGN
+ : MIN_KIMG_ALIGN;
+
efi_status_t handle_kernel_image(unsigned long *image_addr,
unsigned long *image_size,
unsigned long *reserve_addr,
@@ -43,106 +52,63 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
{
efi_status_t status;
unsigned long kernel_size, kernel_memsize = 0;
- unsigned long preferred_offset;
- u64 phys_seed = 0;
+ u32 phys_seed = 0;
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE)) {
- if (!nokaslr()) {
+ if (!efi_nokaslr) {
status = efi_get_random_bytes(sizeof(phys_seed),
(u8 *)&phys_seed);
if (status == EFI_NOT_FOUND) {
- pr_efi("EFI_RNG_PROTOCOL unavailable, no randomness supplied\n");
+ efi_info("EFI_RNG_PROTOCOL unavailable, no randomness supplied\n");
} else if (status != EFI_SUCCESS) {
- pr_efi_err("efi_get_random_bytes() failed\n");
+ efi_err("efi_get_random_bytes() failed\n");
return status;
}
} else {
- pr_efi("KASLR disabled on kernel command line\n");
+ efi_info("KASLR disabled on kernel command line\n");
}
}
- /*
- * The preferred offset of the kernel Image is TEXT_OFFSET bytes beyond
- * a 2 MB aligned base, which itself may be lower than dram_base, as
- * long as the resulting offset equals or exceeds it.
- */
- preferred_offset = round_down(dram_base, MIN_KIMG_ALIGN) + TEXT_OFFSET;
- if (preferred_offset < dram_base)
- preferred_offset += MIN_KIMG_ALIGN;
+ if (image->image_base != _text)
+ efi_err("FIRMWARE BUG: efi_loaded_image_t::image_base has bogus value\n");
kernel_size = _edata - _text;
kernel_memsize = kernel_size + (_end - _edata);
+ *reserve_size = kernel_memsize + TEXT_OFFSET % min_kimg_align;
if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && phys_seed != 0) {
/*
- * Produce a displacement in the interval [0, MIN_KIMG_ALIGN)
- * that doesn't violate this kernel's de-facto alignment
- * constraints.
- */
- u32 mask = (MIN_KIMG_ALIGN - 1) & ~(EFI_KIMG_ALIGN - 1);
- u32 offset = (phys_seed >> 32) & mask;
-
- /*
- * With CONFIG_RANDOMIZE_TEXT_OFFSET=y, TEXT_OFFSET may not
- * be a multiple of EFI_KIMG_ALIGN, and we must ensure that
- * we preserve the misalignment of 'offset' relative to
- * EFI_KIMG_ALIGN so that statically allocated objects whose
- * alignment exceeds PAGE_SIZE appear correctly aligned in
- * memory.
- */
- offset |= TEXT_OFFSET % EFI_KIMG_ALIGN;
-
- /*
* If KASLR is enabled, and we have some randomness available,
* locate the kernel at a randomized offset in physical memory.
*/
- *reserve_size = kernel_memsize + offset;
- status = efi_random_alloc(*reserve_size,
- MIN_KIMG_ALIGN, reserve_addr,
- (u32)phys_seed);
-
- *image_addr = *reserve_addr + offset;
+ status = efi_random_alloc(*reserve_size, min_kimg_align,
+ reserve_addr, phys_seed);
} else {
- /*
- * Else, try a straight allocation at the preferred offset.
- * This will work around the issue where, if dram_base == 0x0,
- * efi_low_alloc() refuses to allocate at 0x0 (to prevent the
- * address of the allocation to be mistaken for a FAIL return
- * value or a NULL pointer). It will also ensure that, on
- * platforms where the [dram_base, dram_base + TEXT_OFFSET)
- * interval is partially occupied by the firmware (like on APM
- * Mustang), we can still place the kernel at the address
- * 'dram_base + TEXT_OFFSET'.
- */
- *image_addr = (unsigned long)_text;
- if (*image_addr == preferred_offset)
- return EFI_SUCCESS;
-
- *image_addr = *reserve_addr = preferred_offset;
- *reserve_size = round_up(kernel_memsize, EFI_ALLOC_ALIGN);
-
- status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
- EFI_LOADER_DATA,
- *reserve_size / EFI_PAGE_SIZE,
- (efi_physical_addr_t *)reserve_addr);
+ status = EFI_OUT_OF_RESOURCES;
}
if (status != EFI_SUCCESS) {
- *reserve_size = kernel_memsize + TEXT_OFFSET;
- status = efi_low_alloc(*reserve_size,
- MIN_KIMG_ALIGN, reserve_addr);
+ if (IS_ALIGNED((u64)_text - TEXT_OFFSET, min_kimg_align)) {
+ /*
+ * Just execute from wherever we were loaded by the
+ * UEFI PE/COFF loader if the alignment is suitable.
+ */
+ *image_addr = (u64)_text;
+ *reserve_size = 0;
+ return EFI_SUCCESS;
+ }
+
+ status = efi_allocate_pages_aligned(*reserve_size, reserve_addr,
+ ULONG_MAX, min_kimg_align);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to relocate kernel\n");
+ efi_err("Failed to relocate kernel\n");
*reserve_size = 0;
return status;
}
- *image_addr = *reserve_addr + TEXT_OFFSET;
}
- if (image->image_base != _text)
- pr_efi_err("FIRMWARE BUG: efi_loaded_image_t::image_base has bogus value\n");
-
+ *image_addr = *reserve_addr + TEXT_OFFSET % min_kimg_align;
memcpy((void *)*image_addr, _text, kernel_size);
return EFI_SUCCESS;
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 9f34c7242939..89f075275300 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -7,60 +7,151 @@
* Copyright 2011 Intel Corporation; author Matt Fleming
*/
+#include <stdarg.h>
+
+#include <linux/ctype.h>
#include <linux/efi.h>
+#include <linux/kernel.h>
+#include <linux/printk.h> /* For CONSOLE_LOGLEVEL_* */
#include <asm/efi.h>
+#include <asm/setup.h>
#include "efistub.h"
-static bool __efistub_global efi_nochunk;
-static bool __efistub_global efi_nokaslr;
-static bool __efistub_global efi_noinitrd;
-static bool __efistub_global efi_quiet;
-static bool __efistub_global efi_novamap;
-static bool __efistub_global efi_nosoftreserve;
-static bool __efistub_global efi_disable_pci_dma =
- IS_ENABLED(CONFIG_EFI_DISABLE_PCI_DMA);
+bool efi_nochunk;
+bool efi_nokaslr;
+bool efi_noinitrd;
+int efi_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
+bool efi_novamap;
-bool __pure nochunk(void)
-{
- return efi_nochunk;
-}
-bool __pure nokaslr(void)
-{
- return efi_nokaslr;
-}
-bool __pure noinitrd(void)
+static bool efi_nosoftreserve;
+static bool efi_disable_pci_dma = IS_ENABLED(CONFIG_EFI_DISABLE_PCI_DMA);
+
+bool __pure __efi_soft_reserve_enabled(void)
{
- return efi_noinitrd;
+ return !efi_nosoftreserve;
}
-bool __pure is_quiet(void)
+
+void efi_char16_puts(efi_char16_t *str)
{
- return efi_quiet;
+ efi_call_proto(efi_table_attr(efi_system_table, con_out),
+ output_string, str);
}
-bool __pure novamap(void)
+
+static
+u32 utf8_to_utf32(const u8 **s8)
{
- return efi_novamap;
+ u32 c32;
+ u8 c0, cx;
+ size_t clen, i;
+
+ c0 = cx = *(*s8)++;
+ /*
+ * The position of the most-significant 0 bit gives us the length of
+ * a multi-octet encoding.
+ */
+ for (clen = 0; cx & 0x80; ++clen)
+ cx <<= 1;
+ /*
+ * If the 0 bit is in position 8, this is a valid single-octet
+ * encoding. If the 0 bit is in position 7 or positions 1-3, the
+ * encoding is invalid.
+ * In either case, we just return the first octet.
+ */
+ if (clen < 2 || clen > 4)
+ return c0;
+ /* Get the bits from the first octet. */
+ c32 = cx >> clen--;
+ for (i = 0; i < clen; ++i) {
+ /* Trailing octets must have 10 in most significant bits. */
+ cx = (*s8)[i] ^ 0x80;
+ if (cx & 0xc0)
+ return c0;
+ c32 = (c32 << 6) | cx;
+ }
+ /*
+ * Check for validity:
+ * - The character must be in the Unicode range.
+ * - It must not be a surrogate.
+ * - It must be encoded using the correct number of octets.
+ */
+ if (c32 > 0x10ffff ||
+ (c32 & 0xf800) == 0xd800 ||
+ clen != (c32 >= 0x80) + (c32 >= 0x800) + (c32 >= 0x10000))
+ return c0;
+ *s8 += clen;
+ return c32;
}
-bool __pure __efi_soft_reserve_enabled(void)
+
+void efi_puts(const char *str)
{
- return !efi_nosoftreserve;
+ efi_char16_t buf[128];
+ size_t pos = 0, lim = ARRAY_SIZE(buf);
+ const u8 *s8 = (const u8 *)str;
+ u32 c32;
+
+ while (*s8) {
+ if (*s8 == '\n')
+ buf[pos++] = L'\r';
+ c32 = utf8_to_utf32(&s8);
+ if (c32 < 0x10000) {
+ /* Characters in plane 0 use a single word. */
+ buf[pos++] = c32;
+ } else {
+ /*
+ * Characters in other planes encode into a surrogate
+ * pair.
+ */
+ buf[pos++] = (0xd800 - (0x10000 >> 10)) + (c32 >> 10);
+ buf[pos++] = 0xdc00 + (c32 & 0x3ff);
+ }
+ if (*s8 == '\0' || pos >= lim - 2) {
+ buf[pos] = L'\0';
+ efi_char16_puts(buf);
+ pos = 0;
+ }
+ }
}
-void efi_printk(char *str)
+int efi_printk(const char *fmt, ...)
{
- char *s8;
+ char printf_buf[256];
+ va_list args;
+ int printed;
+ int loglevel = printk_get_level(fmt);
+
+ switch (loglevel) {
+ case '0' ... '9':
+ loglevel -= '0';
+ break;
+ default:
+ /*
+ * Use loglevel -1 for cases where we just want to print to
+ * the screen.
+ */
+ loglevel = -1;
+ break;
+ }
- for (s8 = str; *s8; s8++) {
- efi_char16_t ch[2] = { 0 };
+ if (loglevel >= efi_loglevel)
+ return 0;
- ch[0] = *s8;
- if (*s8 == '\n') {
- efi_char16_t nl[2] = { '\r', 0 };
- efi_char16_printk(nl);
- }
+ if (loglevel >= 0)
+ efi_puts("EFI stub: ");
+
+ fmt = printk_skip_level(fmt);
+
+ va_start(args, fmt);
+ printed = vsnprintf(printf_buf, sizeof(printf_buf), fmt, args);
+ va_end(args);
- efi_char16_printk(ch);
+ efi_puts(printf_buf);
+ if (printed >= sizeof(printf_buf)) {
+ efi_puts("[Message truncated]\n");
+ return -1;
}
+
+ return printed;
}
/*
@@ -91,7 +182,7 @@ efi_status_t efi_parse_options(char const *cmdline)
if (!strcmp(param, "nokaslr")) {
efi_nokaslr = true;
} else if (!strcmp(param, "quiet")) {
- efi_quiet = true;
+ efi_loglevel = CONSOLE_LOGLEVEL_QUIET;
} else if (!strcmp(param, "noinitrd")) {
efi_noinitrd = true;
} else if (!strcmp(param, "efi") && val) {
@@ -105,6 +196,11 @@ efi_status_t efi_parse_options(char const *cmdline)
efi_disable_pci_dma = true;
if (parse_option_str(val, "no_disable_early_pci_dma"))
efi_disable_pci_dma = false;
+ if (parse_option_str(val, "debug"))
+ efi_loglevel = CONSOLE_LOGLEVEL_DEBUG;
+ } else if (!strcmp(param, "video") &&
+ val && strstarts(val, "efifb:")) {
+ efi_parse_option_graphics(val + strlen("efifb:"));
}
}
efi_bs_call(free_pool, buf);
@@ -112,97 +208,79 @@ efi_status_t efi_parse_options(char const *cmdline)
}
/*
- * Get the number of UTF-8 bytes corresponding to an UTF-16 character.
- * This overestimates for surrogates, but that is okay.
- */
-static int efi_utf8_bytes(u16 c)
-{
- return 1 + (c >= 0x80) + (c >= 0x800);
-}
-
-/*
- * Convert an UTF-16 string, not necessarily null terminated, to UTF-8.
- */
-static u8 *efi_utf16_to_utf8(u8 *dst, const u16 *src, int n)
-{
- unsigned int c;
-
- while (n--) {
- c = *src++;
- if (n && c >= 0xd800 && c <= 0xdbff &&
- *src >= 0xdc00 && *src <= 0xdfff) {
- c = 0x10000 + ((c & 0x3ff) << 10) + (*src & 0x3ff);
- src++;
- n--;
- }
- if (c >= 0xd800 && c <= 0xdfff)
- c = 0xfffd; /* Unmatched surrogate */
- if (c < 0x80) {
- *dst++ = c;
- continue;
- }
- if (c < 0x800) {
- *dst++ = 0xc0 + (c >> 6);
- goto t1;
- }
- if (c < 0x10000) {
- *dst++ = 0xe0 + (c >> 12);
- goto t2;
- }
- *dst++ = 0xf0 + (c >> 18);
- *dst++ = 0x80 + ((c >> 12) & 0x3f);
- t2:
- *dst++ = 0x80 + ((c >> 6) & 0x3f);
- t1:
- *dst++ = 0x80 + (c & 0x3f);
- }
-
- return dst;
-}
-
-/*
* Convert the unicode UEFI command line to ASCII to pass to kernel.
* Size of memory allocated return in *cmd_line_len.
* Returns NULL on error.
*/
-char *efi_convert_cmdline(efi_loaded_image_t *image,
- int *cmd_line_len, unsigned long max_addr)
+char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len)
{
const u16 *s2;
- u8 *s1 = NULL;
unsigned long cmdline_addr = 0;
- int load_options_chars = efi_table_attr(image, load_options_size) / 2;
+ int options_chars = efi_table_attr(image, load_options_size) / 2;
const u16 *options = efi_table_attr(image, load_options);
- int options_bytes = 0; /* UTF-8 bytes */
- int options_chars = 0; /* UTF-16 chars */
+ int options_bytes = 0, safe_options_bytes = 0; /* UTF-8 bytes */
+ bool in_quote = false;
efi_status_t status;
- u16 zero = 0;
if (options) {
s2 = options;
- while (*s2 && *s2 != '\n'
- && options_chars < load_options_chars) {
- options_bytes += efi_utf8_bytes(*s2++);
- options_chars++;
+ while (options_bytes < COMMAND_LINE_SIZE && options_chars--) {
+ u16 c = *s2++;
+
+ if (c < 0x80) {
+ if (c == L'\0' || c == L'\n')
+ break;
+ if (c == L'"')
+ in_quote = !in_quote;
+ else if (!in_quote && isspace((char)c))
+ safe_options_bytes = options_bytes;
+
+ options_bytes++;
+ continue;
+ }
+
+ /*
+ * Get the number of UTF-8 bytes corresponding to a
+ * UTF-16 character.
+ * The first part handles everything in the BMP.
+ */
+ options_bytes += 2 + (c >= 0x800);
+ /*
+ * Add one more byte for valid surrogate pairs. Invalid
+ * surrogates will be replaced with 0xfffd and take up
+ * only 3 bytes.
+ */
+ if ((c & 0xfc00) == 0xd800) {
+ /*
+ * If the very last word is a high surrogate,
+ * we must ignore it since we can't access the
+ * low surrogate.
+ */
+ if (!options_chars) {
+ options_bytes -= 3;
+ } else if ((*s2 & 0xfc00) == 0xdc00) {
+ options_bytes++;
+ options_chars--;
+ s2++;
+ }
+ }
+ }
+ if (options_bytes >= COMMAND_LINE_SIZE) {
+ options_bytes = safe_options_bytes;
+ efi_err("Command line is too long: truncated to %d bytes\n",
+ options_bytes);
}
- }
-
- if (!options_chars) {
- /* No command line options, so return empty string*/
- options = &zero;
}
options_bytes++; /* NUL termination */
- status = efi_allocate_pages(options_bytes, &cmdline_addr, max_addr);
+ status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, options_bytes,
+ (void **)&cmdline_addr);
if (status != EFI_SUCCESS)
return NULL;
- s1 = (u8 *)cmdline_addr;
- s2 = (const u16 *)options;
-
- s1 = efi_utf16_to_utf8(s1, s2, options_chars);
- *s1 = '\0';
+ snprintf((char *)cmdline_addr, options_bytes, "%.*ls",
+ options_bytes - 1, options);
*cmd_line_len = options_bytes;
return (char *)cmdline_addr;
@@ -285,8 +363,8 @@ fail:
void *get_efi_config_table(efi_guid_t guid)
{
- unsigned long tables = efi_table_attr(efi_system_table(), tables);
- int nr_tables = efi_table_attr(efi_system_table(), nr_tables);
+ unsigned long tables = efi_table_attr(efi_system_table, tables);
+ int nr_tables = efi_table_attr(efi_system_table, nr_tables);
int i;
for (i = 0; i < nr_tables; i++) {
@@ -301,12 +379,6 @@ void *get_efi_config_table(efi_guid_t guid)
return NULL;
}
-void efi_char16_printk(efi_char16_t *str)
-{
- efi_call_proto(efi_table_attr(efi_system_table(), con_out),
- output_string, str);
-}
-
/*
* The LINUX_EFI_INITRD_MEDIA_GUID vendor media device path below provides a way
* for the firmware or bootloader to expose the initrd data directly to the stub
@@ -348,6 +420,7 @@ static const struct {
* %EFI_OUT_OF_RESOURCES if memory allocation failed
* %EFI_LOAD_ERROR in all other cases
*/
+static
efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr,
unsigned long *load_size,
unsigned long max)
@@ -360,9 +433,6 @@ efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr,
efi_handle_t handle;
efi_status_t status;
- if (!load_addr || !load_size)
- return EFI_INVALID_PARAMETER;
-
dp = (efi_device_path_protocol_t *)&initrd_dev_path;
status = efi_bs_call(locate_device_path, &lf2_proto_guid, &dp, &handle);
if (status != EFI_SUCCESS)
@@ -392,3 +462,80 @@ efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr,
*load_size = initrd_size;
return EFI_SUCCESS;
}
+
+static
+efi_status_t efi_load_initrd_cmdline(efi_loaded_image_t *image,
+ unsigned long *load_addr,
+ unsigned long *load_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit)
+{
+ if (!IS_ENABLED(CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER) ||
+ (IS_ENABLED(CONFIG_X86) && (!efi_is_native() || image == NULL))) {
+ *load_addr = *load_size = 0;
+ return EFI_SUCCESS;
+ }
+
+ return handle_cmdline_files(image, L"initrd=", sizeof(L"initrd=") - 2,
+ soft_limit, hard_limit,
+ load_addr, load_size);
+}
+
+efi_status_t efi_load_initrd(efi_loaded_image_t *image,
+ unsigned long *load_addr,
+ unsigned long *load_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit)
+{
+ efi_status_t status;
+
+ if (!load_addr || !load_size)
+ return EFI_INVALID_PARAMETER;
+
+ status = efi_load_initrd_dev_path(load_addr, load_size, hard_limit);
+ if (status == EFI_SUCCESS) {
+ efi_info("Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path\n");
+ } else if (status == EFI_NOT_FOUND) {
+ status = efi_load_initrd_cmdline(image, load_addr, load_size,
+ soft_limit, hard_limit);
+ if (status == EFI_SUCCESS && *load_size > 0)
+ efi_info("Loaded initrd from command line option\n");
+ }
+
+ return status;
+}
+
+efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key)
+{
+ efi_event_t events[2], timer;
+ unsigned long index;
+ efi_simple_text_input_protocol_t *con_in;
+ efi_status_t status;
+
+ con_in = efi_table_attr(efi_system_table, con_in);
+ if (!con_in)
+ return EFI_UNSUPPORTED;
+ efi_set_event_at(events, 0, efi_table_attr(con_in, wait_for_key));
+
+ status = efi_bs_call(create_event, EFI_EVT_TIMER, 0, NULL, NULL, &timer);
+ if (status != EFI_SUCCESS)
+ return status;
+
+ status = efi_bs_call(set_timer, timer, EfiTimerRelative,
+ EFI_100NSEC_PER_USEC * usec);
+ if (status != EFI_SUCCESS)
+ return status;
+ efi_set_event_at(events, 1, timer);
+
+ status = efi_bs_call(wait_for_event, 2, events, &index);
+ if (status == EFI_SUCCESS) {
+ if (index == 0)
+ status = efi_call_proto(con_in, read_keystroke, key);
+ else
+ status = EFI_TIMEOUT;
+ }
+
+ efi_bs_call(close_event, timer);
+
+ return status;
+}
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/efi-stub.c
index 99a5cde7c2d8..e97370bdfdb0 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/efi-stub.c
@@ -36,14 +36,9 @@
#endif
static u64 virtmap_base = EFI_RT_VIRTUAL_BASE;
-static bool __efistub_global flat_va_mapping;
+static bool flat_va_mapping;
-static efi_system_table_t *__efistub_global sys_table;
-
-__pure efi_system_table_t *efi_system_table(void)
-{
- return sys_table;
-}
+const efi_system_table_t *efi_system_table;
static struct screen_info *setup_graphics(void)
{
@@ -60,12 +55,16 @@ static struct screen_info *setup_graphics(void)
si = alloc_screen_info();
if (!si)
return NULL;
- efi_setup_gop(si, &gop_proto, size);
+ status = efi_setup_gop(si, &gop_proto, size);
+ if (status != EFI_SUCCESS) {
+ free_screen_info(si);
+ return NULL;
+ }
}
return si;
}
-void install_memreserve_table(void)
+static void install_memreserve_table(void)
{
struct linux_efi_memreserve *rsv;
efi_guid_t memreserve_table_guid = LINUX_EFI_MEMRESERVE_TABLE_GUID;
@@ -74,7 +73,7 @@ void install_memreserve_table(void)
status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, sizeof(*rsv),
(void **)&rsv);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to allocate memreserve entry!\n");
+ efi_err("Failed to allocate memreserve entry!\n");
return;
}
@@ -85,7 +84,7 @@ void install_memreserve_table(void)
status = efi_bs_call(install_configuration_table,
&memreserve_table_guid, rsv);
if (status != EFI_SUCCESS)
- pr_efi_err("Failed to install memreserve config table!\n");
+ efi_err("Failed to install memreserve config table!\n");
}
static unsigned long get_dram_base(void)
@@ -145,7 +144,8 @@ asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
* for both archictectures, with the arch-specific code provided in the
* handle_kernel_image() function.
*/
-efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
+efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
+ efi_system_table_t *sys_table_arg)
{
efi_loaded_image_t *image;
efi_status_t status;
@@ -167,10 +167,10 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
efi_properties_table_t *prop_tbl;
unsigned long max_addr;
- sys_table = sys_table_arg;
+ efi_system_table = sys_table_arg;
/* Check if we were booted by the EFI firmware */
- if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) {
+ if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE) {
status = EFI_INVALID_PARAMETER;
goto fail;
}
@@ -184,16 +184,16 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
* information about the running image, such as size and the command
* line.
*/
- status = sys_table->boottime->handle_protocol(handle,
+ status = efi_system_table->boottime->handle_protocol(handle,
&loaded_image_proto, (void *)&image);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to get loaded image protocol\n");
+ efi_err("Failed to get loaded image protocol\n");
goto fail;
}
dram_base = get_dram_base();
if (dram_base == EFI_ERROR) {
- pr_efi_err("Failed to find DRAM base\n");
+ efi_err("Failed to find DRAM base\n");
status = EFI_LOAD_ERROR;
goto fail;
}
@@ -203,22 +203,32 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
* protocol. We are going to copy the command line into the
* device tree, so this can be allocated anywhere.
*/
- cmdline_ptr = efi_convert_cmdline(image, &cmdline_size, ULONG_MAX);
+ cmdline_ptr = efi_convert_cmdline(image, &cmdline_size);
if (!cmdline_ptr) {
- pr_efi_err("getting command line via LOADED_IMAGE_PROTOCOL\n");
+ efi_err("getting command line via LOADED_IMAGE_PROTOCOL\n");
status = EFI_OUT_OF_RESOURCES;
goto fail;
}
if (IS_ENABLED(CONFIG_CMDLINE_EXTEND) ||
IS_ENABLED(CONFIG_CMDLINE_FORCE) ||
- cmdline_size == 0)
- efi_parse_options(CONFIG_CMDLINE);
+ cmdline_size == 0) {
+ status = efi_parse_options(CONFIG_CMDLINE);
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to parse options\n");
+ goto fail_free_cmdline;
+ }
+ }
- if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && cmdline_size > 0)
- efi_parse_options(cmdline_ptr);
+ if (!IS_ENABLED(CONFIG_CMDLINE_FORCE) && cmdline_size > 0) {
+ status = efi_parse_options(cmdline_ptr);
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to parse options\n");
+ goto fail_free_cmdline;
+ }
+ }
- pr_efi("Booting Linux Kernel...\n");
+ efi_info("Booting Linux Kernel...\n");
si = setup_graphics();
@@ -227,8 +237,8 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
&reserve_size,
dram_base, image);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to relocate kernel\n");
- goto fail_free_cmdline;
+ efi_err("Failed to relocate kernel\n");
+ goto fail_free_screeninfo;
}
efi_retrieve_tpm2_eventlog();
@@ -246,42 +256,34 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
if (!IS_ENABLED(CONFIG_EFI_ARMSTUB_DTB_LOADER) ||
secure_boot != efi_secureboot_mode_disabled) {
if (strstr(cmdline_ptr, "dtb="))
- pr_efi("Ignoring DTB from command line.\n");
+ efi_err("Ignoring DTB from command line.\n");
} else {
status = efi_load_dtb(image, &fdt_addr, &fdt_size);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to load device tree!\n");
+ efi_err("Failed to load device tree!\n");
goto fail_free_image;
}
}
if (fdt_addr) {
- pr_efi("Using DTB from command line\n");
+ efi_info("Using DTB from command line\n");
} else {
/* Look for a device tree configuration table entry. */
fdt_addr = (uintptr_t)get_fdt(&fdt_size);
if (fdt_addr)
- pr_efi("Using DTB from configuration table\n");
+ efi_info("Using DTB from configuration table\n");
}
if (!fdt_addr)
- pr_efi("Generating empty DTB\n");
+ efi_info("Generating empty DTB\n");
- if (!noinitrd()) {
+ if (!efi_noinitrd) {
max_addr = efi_get_max_initrd_addr(dram_base, image_addr);
- status = efi_load_initrd_dev_path(&initrd_addr, &initrd_size,
- max_addr);
- if (status == EFI_SUCCESS) {
- pr_efi("Loaded initrd from LINUX_EFI_INITRD_MEDIA_GUID device path\n");
- } else if (status == EFI_NOT_FOUND) {
- status = efi_load_initrd(image, &initrd_addr, &initrd_size,
- ULONG_MAX, max_addr);
- if (status == EFI_SUCCESS && initrd_size > 0)
- pr_efi("Loaded initrd from command line option\n");
- }
+ status = efi_load_initrd(image, &initrd_addr, &initrd_size,
+ ULONG_MAX, max_addr);
if (status != EFI_SUCCESS)
- pr_efi_err("Failed to load initrd!\n");
+ efi_err("Failed to load initrd!\n");
}
efi_random_get_seed();
@@ -299,7 +301,7 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA);
/* hibernation expects the runtime regions to stay in the same place */
- if (!IS_ENABLED(CONFIG_HIBERNATION) && !nokaslr() && !flat_va_mapping) {
+ if (!IS_ENABLED(CONFIG_HIBERNATION) && !efi_nokaslr && !flat_va_mapping) {
/*
* Randomize the base of the UEFI runtime services region.
* Preserve the 2 MB alignment of the region by taking a
@@ -331,7 +333,7 @@ efi_status_t efi_entry(efi_handle_t handle, efi_system_table_t *sys_table_arg)
/* not reached */
fail_free_initrd:
- pr_efi_err("Failed to update FDT and exit boot services\n");
+ efi_err("Failed to update FDT and exit boot services\n");
efi_free(initrd_size, initrd_addr);
efi_free(fdt_size, fdt_addr);
@@ -339,9 +341,10 @@ fail_free_initrd:
fail_free_image:
efi_free(image_size, image_addr);
efi_free(reserve_size, reserve_addr);
-fail_free_cmdline:
+fail_free_screeninfo:
free_screen_info(si);
- efi_free(cmdline_size, (unsigned long)cmdline_ptr);
+fail_free_cmdline:
+ efi_bs_call(free_pool, cmdline_ptr);
fail:
return status;
}
@@ -372,7 +375,7 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
size = in->num_pages * EFI_PAGE_SIZE;
in->virt_addr = in->phys_addr;
- if (novamap()) {
+ if (efi_novamap) {
continue;
}
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 67d26949fd26..bcd8c0a785f0 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -3,6 +3,13 @@
#ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H
#define _DRIVERS_FIRMWARE_EFI_EFISTUB_H
+#include <linux/compiler.h>
+#include <linux/efi.h>
+#include <linux/kernel.h>
+#include <linux/kern_levels.h>
+#include <linux/types.h>
+#include <asm/efi.h>
+
/* error code which can't be mistaken for valid address */
#define EFI_ERROR (~0UL)
@@ -25,25 +32,33 @@
#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
#endif
-#if defined(CONFIG_ARM) || defined(CONFIG_X86)
-#define __efistub_global __section(.data)
-#else
-#define __efistub_global
-#endif
+extern bool efi_nochunk;
+extern bool efi_nokaslr;
+extern bool efi_noinitrd;
+extern int efi_loglevel;
+extern bool efi_novamap;
-extern bool __pure nochunk(void);
-extern bool __pure nokaslr(void);
-extern bool __pure noinitrd(void);
-extern bool __pure is_quiet(void);
-extern bool __pure novamap(void);
+extern const efi_system_table_t *efi_system_table;
-extern __pure efi_system_table_t *efi_system_table(void);
+efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
+ efi_system_table_t *sys_table_arg);
-#define pr_efi(msg) do { \
- if (!is_quiet()) efi_printk("EFI stub: "msg); \
-} while (0)
+#ifndef ARCH_HAS_EFISTUB_WRAPPERS
-#define pr_efi_err(msg) efi_printk("EFI stub: ERROR: "msg)
+#define efi_is_native() (true)
+#define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__)
+#define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__)
+#define efi_table_attr(inst, attr) (inst->attr)
+#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)
+
+#endif
+
+#define efi_info(fmt, ...) \
+ efi_printk(KERN_INFO fmt, ##__VA_ARGS__)
+#define efi_err(fmt, ...) \
+ efi_printk(KERN_ERR "ERROR: " fmt, ##__VA_ARGS__)
+#define efi_debug(fmt, ...) \
+ efi_printk(KERN_DEBUG "DEBUG: " fmt, ##__VA_ARGS__)
/* Helper macros for the usual case of using simple C variables: */
#ifndef fdt_setprop_inplace_var
@@ -77,6 +92,13 @@ extern __pure efi_system_table_t *efi_system_table(void);
((handle = efi_get_handle_at((array), i)) || true); \
i++)
+static inline
+void efi_set_u64_split(u64 data, u32 *lo, u32 *hi)
+{
+ *lo = lower_32_bits(data);
+ *hi = upper_32_bits(data);
+}
+
/*
* Allocation types for calls to boottime->allocate_pages.
*/
@@ -92,6 +114,29 @@ extern __pure efi_system_table_t *efi_system_table(void);
#define EFI_LOCATE_BY_REGISTER_NOTIFY 1
#define EFI_LOCATE_BY_PROTOCOL 2
+/*
+ * boottime->stall takes the time period in microseconds
+ */
+#define EFI_USEC_PER_SEC 1000000
+
+/*
+ * boottime->set_timer takes the time in 100ns units
+ */
+#define EFI_100NSEC_PER_USEC ((u64)10)
+
+/*
+ * An efi_boot_memmap is used by efi_get_memory_map() to return the
+ * EFI memory map in a dynamically allocated buffer.
+ *
+ * The buffer allocated for the EFI memory map includes extra room for
+ * a minimum of EFI_MMAP_NR_SLACK_SLOTS additional EFI memory descriptors.
+ * This facilitates the reuse of the EFI memory map buffer when a second
+ * call to ExitBootServices() is needed because of intervening changes to
+ * the EFI memory map. Other related structures, e.g. x86 e820ext, need
+ * to factor in this headroom requirement as well.
+ */
+#define EFI_MMAP_NR_SLACK_SLOTS 8
+
struct efi_boot_memmap {
efi_memory_desc_t **map;
unsigned long *map_size;
@@ -103,6 +148,39 @@ struct efi_boot_memmap {
typedef struct efi_generic_dev_path efi_device_path_protocol_t;
+typedef void *efi_event_t;
+/* Note that notifications won't work in mixed mode */
+typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *);
+
+#define EFI_EVT_TIMER 0x80000000U
+#define EFI_EVT_RUNTIME 0x40000000U
+#define EFI_EVT_NOTIFY_WAIT 0x00000100U
+#define EFI_EVT_NOTIFY_SIGNAL 0x00000200U
+
+/*
+ * boottime->wait_for_event takes an array of events as input.
+ * Provide a helper to set it up correctly for mixed mode.
+ */
+static inline
+void efi_set_event_at(efi_event_t *events, size_t idx, efi_event_t event)
+{
+ if (efi_is_native())
+ events[idx] = event;
+ else
+ ((u32 *)events)[idx] = (u32)(unsigned long)event;
+}
+
+#define EFI_TPL_APPLICATION 4
+#define EFI_TPL_CALLBACK 8
+#define EFI_TPL_NOTIFY 16
+#define EFI_TPL_HIGH_LEVEL 31
+
+typedef enum {
+ EfiTimerCancel,
+ EfiTimerPeriodic,
+ EfiTimerRelative
+} EFI_TIMER_DELAY;
+
/*
* EFI Boot Services table
*/
@@ -121,11 +199,16 @@ union efi_boot_services {
efi_status_t (__efiapi *allocate_pool)(int, unsigned long,
void **);
efi_status_t (__efiapi *free_pool)(void *);
- void *create_event;
- void *set_timer;
- void *wait_for_event;
+ efi_status_t (__efiapi *create_event)(u32, unsigned long,
+ efi_event_notify_t, void *,
+ efi_event_t *);
+ efi_status_t (__efiapi *set_timer)(efi_event_t,
+ EFI_TIMER_DELAY, u64);
+ efi_status_t (__efiapi *wait_for_event)(unsigned long,
+ efi_event_t *,
+ unsigned long *);
void *signal_event;
- void *close_event;
+ efi_status_t (__efiapi *close_event)(efi_event_t);
void *check_event;
void *install_protocol_interface;
void *reinstall_protocol_interface;
@@ -152,7 +235,7 @@ union efi_boot_services {
efi_status_t (__efiapi *exit_boot_services)(efi_handle_t,
unsigned long);
void *get_next_monotonic_count;
- void *stall;
+ efi_status_t (__efiapi *stall)(unsigned long);
void *set_watchdog_timer;
void *connect_controller;
efi_status_t (__efiapi *disconnect_controller)(efi_handle_t,
@@ -237,6 +320,27 @@ union efi_uga_draw_protocol {
} mixed_mode;
};
+typedef struct {
+ u16 scan_code;
+ efi_char16_t unicode_char;
+} efi_input_key_t;
+
+union efi_simple_text_input_protocol {
+ struct {
+ void *reset;
+ efi_status_t (__efiapi *read_keystroke)(efi_simple_text_input_protocol_t *,
+ efi_input_key_t *);
+ efi_event_t wait_for_key;
+ };
+ struct {
+ u32 reset;
+ u32 read_keystroke;
+ u32 wait_for_key;
+ } mixed_mode;
+};
+
+efi_status_t efi_wait_for_key(unsigned long usec, efi_input_key_t *key);
+
union efi_simple_text_output_protocol {
struct {
void *reset;
@@ -298,8 +402,10 @@ typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t;
union efi_graphics_output_protocol {
struct {
- void *query_mode;
- void *set_mode;
+ efi_status_t (__efiapi *query_mode)(efi_graphics_output_protocol_t *,
+ u32, unsigned long *,
+ efi_graphics_output_mode_info_t **);
+ efi_status_t (__efiapi *set_mode) (efi_graphics_output_protocol_t *, u32);
void *blt;
efi_graphics_output_protocol_mode_t *mode;
};
@@ -587,8 +693,6 @@ efi_status_t efi_exit_boot_services(void *handle,
void *priv,
efi_exit_boot_map_processing priv_func);
-void efi_char16_printk(efi_char16_t *);
-
efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
unsigned long *new_fdt_addr,
unsigned long max_addr,
@@ -612,33 +716,24 @@ efi_status_t check_platform_features(void);
void *get_efi_config_table(efi_guid_t guid);
-void efi_printk(char *str);
+/* NOTE: These functions do not print a trailing newline after the string */
+void efi_char16_puts(efi_char16_t *);
+void efi_puts(const char *str);
+
+__printf(1, 2) int efi_printk(char const *fmt, ...);
void efi_free(unsigned long size, unsigned long addr);
-char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len,
- unsigned long max_addr);
+char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len);
efi_status_t efi_get_memory_map(struct efi_boot_memmap *map);
-efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
- unsigned long *addr, unsigned long min);
-
-static inline
-efi_status_t efi_low_alloc(unsigned long size, unsigned long align,
- unsigned long *addr)
-{
- /*
- * Don't allocate at 0x0. It will confuse code that
- * checks pointers against NULL. Skip the first 8
- * bytes so we start at a nice even number.
- */
- return efi_low_alloc_above(size, align, addr, 0x8);
-}
-
efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
unsigned long max);
+efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
+ unsigned long max, unsigned long align);
+
efi_status_t efi_relocate_kernel(unsigned long *image_addr,
unsigned long image_size,
unsigned long alloc_size,
@@ -648,12 +743,27 @@ efi_status_t efi_relocate_kernel(unsigned long *image_addr,
efi_status_t efi_parse_options(char const *cmdline);
+void efi_parse_option_graphics(char *option);
+
efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto,
unsigned long size);
-efi_status_t efi_load_dtb(efi_loaded_image_t *image,
- unsigned long *load_addr,
- unsigned long *load_size);
+efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
+ const efi_char16_t *optstr,
+ int optstr_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit,
+ unsigned long *load_addr,
+ unsigned long *load_size);
+
+
+static inline efi_status_t efi_load_dtb(efi_loaded_image_t *image,
+ unsigned long *load_addr,
+ unsigned long *load_size)
+{
+ return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2,
+ ULONG_MAX, ULONG_MAX, load_addr, load_size);
+}
efi_status_t efi_load_initrd(efi_loaded_image_t *image,
unsigned long *load_addr,
@@ -661,8 +771,4 @@ efi_status_t efi_load_initrd(efi_loaded_image_t *image,
unsigned long soft_limit,
unsigned long hard_limit);
-efi_status_t efi_load_initrd_dev_path(unsigned long *load_addr,
- unsigned long *load_size,
- unsigned long max);
-
#endif
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index 46cffac7a5f1..11ecf3c4640e 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -39,7 +39,7 @@ static efi_status_t update_fdt(void *orig_fdt, unsigned long orig_fdt_size,
/* Do some checks on provided FDT, if it exists: */
if (orig_fdt) {
if (fdt_check_header(orig_fdt)) {
- pr_efi_err("Device Tree header not valid!\n");
+ efi_err("Device Tree header not valid!\n");
return EFI_LOAD_ERROR;
}
/*
@@ -47,7 +47,7 @@ static efi_status_t update_fdt(void *orig_fdt, unsigned long orig_fdt_size,
* configuration table:
*/
if (orig_fdt_size && fdt_totalsize(orig_fdt) > orig_fdt_size) {
- pr_efi_err("Truncated device tree! foo!\n");
+ efi_err("Truncated device tree! foo!\n");
return EFI_LOAD_ERROR;
}
}
@@ -110,7 +110,7 @@ static efi_status_t update_fdt(void *orig_fdt, unsigned long orig_fdt_size,
/* Add FDT entries for EFI runtime services in chosen node. */
node = fdt_subnode_offset(fdt, 0, "chosen");
- fdt_val64 = cpu_to_fdt64((u64)(unsigned long)efi_system_table());
+ fdt_val64 = cpu_to_fdt64((u64)(unsigned long)efi_system_table);
status = fdt_setprop_var(fdt, node, "linux,uefi-system-table", fdt_val64);
if (status)
@@ -270,16 +270,16 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
*/
status = efi_get_memory_map(&map);
if (status != EFI_SUCCESS) {
- pr_efi_err("Unable to retrieve UEFI memory map.\n");
+ efi_err("Unable to retrieve UEFI memory map.\n");
return status;
}
- pr_efi("Exiting boot services and installing virtual address map...\n");
+ efi_info("Exiting boot services and installing virtual address map...\n");
map.map = &memory_map;
status = efi_allocate_pages(MAX_FDT_SIZE, new_fdt_addr, max_addr);
if (status != EFI_SUCCESS) {
- pr_efi_err("Unable to allocate memory for new device tree.\n");
+ efi_err("Unable to allocate memory for new device tree.\n");
goto fail;
}
@@ -296,7 +296,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
initrd_addr, initrd_size);
if (status != EFI_SUCCESS) {
- pr_efi_err("Unable to construct new device tree.\n");
+ efi_err("Unable to construct new device tree.\n");
goto fail_free_new_fdt;
}
@@ -310,11 +310,11 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
if (status == EFI_SUCCESS) {
efi_set_virtual_address_map_t *svam;
- if (novamap())
+ if (efi_novamap)
return EFI_SUCCESS;
/* Install the new virtual address map */
- svam = efi_system_table()->runtime->set_virtual_address_map;
+ svam = efi_system_table->runtime->set_virtual_address_map;
status = svam(runtime_entry_count * desc_size, desc_size,
desc_ver, runtime_map);
@@ -342,13 +342,13 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
return EFI_SUCCESS;
}
- pr_efi_err("Exit boot services failed.\n");
+ efi_err("Exit boot services failed.\n");
fail_free_new_fdt:
efi_free(MAX_FDT_SIZE, *new_fdt_addr);
fail:
- efi_system_table()->boottime->free_pool(runtime_map);
+ efi_system_table->boottime->free_pool(runtime_map);
return EFI_LOAD_ERROR;
}
@@ -363,7 +363,7 @@ void *get_fdt(unsigned long *fdt_size)
return NULL;
if (fdt_check_header(fdt) != 0) {
- pr_efi_err("Invalid header detected on UEFI supplied FDT, ignoring ...\n");
+ efi_err("Invalid header detected on UEFI supplied FDT, ignoring ...\n");
return NULL;
}
*fdt_size = fdt_totalsize(fdt);
diff --git a/drivers/firmware/efi/libstub/file.c b/drivers/firmware/efi/libstub/file.c
index ea66b1f16a79..2005e33b33d5 100644
--- a/drivers/firmware/efi/libstub/file.c
+++ b/drivers/firmware/efi/libstub/file.c
@@ -46,16 +46,14 @@ static efi_status_t efi_open_file(efi_file_protocol_t *volume,
status = volume->open(volume, &fh, fi->filename, EFI_FILE_MODE_READ, 0);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to open file: ");
- efi_char16_printk(fi->filename);
- efi_printk("\n");
+ efi_err("Failed to open file: %ls\n", fi->filename);
return status;
}
info_sz = sizeof(struct finfo);
status = fh->get_info(fh, &info_guid, &info_sz, fi);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to get file info\n");
+ efi_err("Failed to get file info\n");
fh->close(fh);
return status;
}
@@ -75,13 +73,13 @@ static efi_status_t efi_open_volume(efi_loaded_image_t *image,
status = efi_bs_call(handle_protocol, image->device_handle, &fs_proto,
(void **)&io);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to handle fs_proto\n");
+ efi_err("Failed to handle fs_proto\n");
return status;
}
status = io->open_volume(io, fh);
if (status != EFI_SUCCESS)
- pr_efi_err("Failed to open volume\n");
+ efi_err("Failed to open volume\n");
return status;
}
@@ -121,13 +119,13 @@ static int find_file_option(const efi_char16_t *cmdline, int cmdline_len,
* We only support loading a file from the same filesystem as
* the kernel image.
*/
-static efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
- const efi_char16_t *optstr,
- int optstr_size,
- unsigned long soft_limit,
- unsigned long hard_limit,
- unsigned long *load_addr,
- unsigned long *load_size)
+efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
+ const efi_char16_t *optstr,
+ int optstr_size,
+ unsigned long soft_limit,
+ unsigned long hard_limit,
+ unsigned long *load_addr,
+ unsigned long *load_size)
{
const efi_char16_t *cmdline = image->load_options;
int cmdline_len = image->load_options_size / 2;
@@ -142,7 +140,7 @@ static efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
if (!load_addr || !load_size)
return EFI_INVALID_PARAMETER;
- if (IS_ENABLED(CONFIG_X86) && !nochunk())
+ if (IS_ENABLED(CONFIG_X86) && !efi_nochunk)
efi_chunk_size = EFI_READ_CHUNK_SIZE;
alloc_addr = alloc_size = 0;
@@ -191,7 +189,7 @@ static efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
&alloc_addr,
hard_limit);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to allocate memory for files\n");
+ efi_err("Failed to allocate memory for files\n");
goto err_close_file;
}
@@ -215,7 +213,7 @@ static efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
status = file->read(file, &chunksize, addr);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to read file\n");
+ efi_err("Failed to read file\n");
goto err_close_file;
}
addr += chunksize;
@@ -239,21 +237,3 @@ err_close_volume:
efi_free(alloc_size, alloc_addr);
return status;
}
-
-efi_status_t efi_load_dtb(efi_loaded_image_t *image,
- unsigned long *load_addr,
- unsigned long *load_size)
-{
- return handle_cmdline_files(image, L"dtb=", sizeof(L"dtb=") - 2,
- ULONG_MAX, ULONG_MAX, load_addr, load_size);
-}
-
-efi_status_t efi_load_initrd(efi_loaded_image_t *image,
- unsigned long *load_addr,
- unsigned long *load_size,
- unsigned long soft_limit,
- unsigned long hard_limit)
-{
- return handle_cmdline_files(image, L"initrd=", sizeof(L"initrd=") - 2,
- soft_limit, hard_limit, load_addr, load_size);
-}
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c
index 55e6b3f286fe..ea5da307d542 100644
--- a/drivers/firmware/efi/libstub/gop.c
+++ b/drivers/firmware/efi/libstub/gop.c
@@ -5,169 +5,546 @@
*
* ----------------------------------------------------------------------- */
+#include <linux/bitops.h>
+#include <linux/ctype.h>
#include <linux/efi.h>
#include <linux/screen_info.h>
+#include <linux/string.h>
#include <asm/efi.h>
#include <asm/setup.h>
#include "efistub.h"
-static void find_bits(unsigned long mask, u8 *pos, u8 *size)
+enum efi_cmdline_option {
+ EFI_CMDLINE_NONE,
+ EFI_CMDLINE_MODE_NUM,
+ EFI_CMDLINE_RES,
+ EFI_CMDLINE_AUTO,
+ EFI_CMDLINE_LIST
+};
+
+static struct {
+ enum efi_cmdline_option option;
+ union {
+ u32 mode;
+ struct {
+ u32 width, height;
+ int format;
+ u8 depth;
+ } res;
+ };
+} cmdline = { .option = EFI_CMDLINE_NONE };
+
+static bool parse_modenum(char *option, char **next)
+{
+ u32 m;
+
+ if (!strstarts(option, "mode="))
+ return false;
+ option += strlen("mode=");
+ m = simple_strtoull(option, &option, 0);
+ if (*option && *option++ != ',')
+ return false;
+ cmdline.option = EFI_CMDLINE_MODE_NUM;
+ cmdline.mode = m;
+
+ *next = option;
+ return true;
+}
+
+static bool parse_res(char *option, char **next)
+{
+ u32 w, h, d = 0;
+ int pf = -1;
+
+ if (!isdigit(*option))
+ return false;
+ w = simple_strtoull(option, &option, 10);
+ if (*option++ != 'x' || !isdigit(*option))
+ return false;
+ h = simple_strtoull(option, &option, 10);
+ if (*option == '-') {
+ option++;
+ if (strstarts(option, "rgb")) {
+ option += strlen("rgb");
+ pf = PIXEL_RGB_RESERVED_8BIT_PER_COLOR;
+ } else if (strstarts(option, "bgr")) {
+ option += strlen("bgr");
+ pf = PIXEL_BGR_RESERVED_8BIT_PER_COLOR;
+ } else if (isdigit(*option))
+ d = simple_strtoull(option, &option, 10);
+ else
+ return false;
+ }
+ if (*option && *option++ != ',')
+ return false;
+ cmdline.option = EFI_CMDLINE_RES;
+ cmdline.res.width = w;
+ cmdline.res.height = h;
+ cmdline.res.format = pf;
+ cmdline.res.depth = d;
+
+ *next = option;
+ return true;
+}
+
+static bool parse_auto(char *option, char **next)
+{
+ if (!strstarts(option, "auto"))
+ return false;
+ option += strlen("auto");
+ if (*option && *option++ != ',')
+ return false;
+ cmdline.option = EFI_CMDLINE_AUTO;
+
+ *next = option;
+ return true;
+}
+
+static bool parse_list(char *option, char **next)
{
- u8 first, len;
+ if (!strstarts(option, "list"))
+ return false;
+ option += strlen("list");
+ if (*option && *option++ != ',')
+ return false;
+ cmdline.option = EFI_CMDLINE_LIST;
+
+ *next = option;
+ return true;
+}
+
+void efi_parse_option_graphics(char *option)
+{
+ while (*option) {
+ if (parse_modenum(option, &option))
+ continue;
+ if (parse_res(option, &option))
+ continue;
+ if (parse_auto(option, &option))
+ continue;
+ if (parse_list(option, &option))
+ continue;
+
+ while (*option && *option++ != ',')
+ ;
+ }
+}
+
+static u32 choose_mode_modenum(efi_graphics_output_protocol_t *gop)
+{
+ efi_status_t status;
+
+ efi_graphics_output_protocol_mode_t *mode;
+ efi_graphics_output_mode_info_t *info;
+ unsigned long info_size;
+
+ u32 max_mode, cur_mode;
+ int pf;
+
+ mode = efi_table_attr(gop, mode);
+
+ cur_mode = efi_table_attr(mode, mode);
+ if (cmdline.mode == cur_mode)
+ return cur_mode;
+
+ max_mode = efi_table_attr(mode, max_mode);
+ if (cmdline.mode >= max_mode) {
+ efi_err("Requested mode is invalid\n");
+ return cur_mode;
+ }
+
+ status = efi_call_proto(gop, query_mode, cmdline.mode,
+ &info_size, &info);
+ if (status != EFI_SUCCESS) {
+ efi_err("Couldn't get mode information\n");
+ return cur_mode;
+ }
+
+ pf = info->pixel_format;
+
+ efi_bs_call(free_pool, info);
+
+ if (pf == PIXEL_BLT_ONLY || pf >= PIXEL_FORMAT_MAX) {
+ efi_err("Invalid PixelFormat\n");
+ return cur_mode;
+ }
+
+ return cmdline.mode;
+}
+
+static u8 pixel_bpp(int pixel_format, efi_pixel_bitmask_t pixel_info)
+{
+ if (pixel_format == PIXEL_BIT_MASK) {
+ u32 mask = pixel_info.red_mask | pixel_info.green_mask |
+ pixel_info.blue_mask | pixel_info.reserved_mask;
+ if (!mask)
+ return 0;
+ return __fls(mask) - __ffs(mask) + 1;
+ } else
+ return 32;
+}
+
+static u32 choose_mode_res(efi_graphics_output_protocol_t *gop)
+{
+ efi_status_t status;
+
+ efi_graphics_output_protocol_mode_t *mode;
+ efi_graphics_output_mode_info_t *info;
+ unsigned long info_size;
+
+ u32 max_mode, cur_mode;
+ int pf;
+ efi_pixel_bitmask_t pi;
+ u32 m, w, h;
+
+ mode = efi_table_attr(gop, mode);
+
+ cur_mode = efi_table_attr(mode, mode);
+ info = efi_table_attr(mode, info);
+ pf = info->pixel_format;
+ pi = info->pixel_information;
+ w = info->horizontal_resolution;
+ h = info->vertical_resolution;
+
+ if (w == cmdline.res.width && h == cmdline.res.height &&
+ (cmdline.res.format < 0 || cmdline.res.format == pf) &&
+ (!cmdline.res.depth || cmdline.res.depth == pixel_bpp(pf, pi)))
+ return cur_mode;
+
+ max_mode = efi_table_attr(mode, max_mode);
+
+ for (m = 0; m < max_mode; m++) {
+ if (m == cur_mode)
+ continue;
+
+ status = efi_call_proto(gop, query_mode, m,
+ &info_size, &info);
+ if (status != EFI_SUCCESS)
+ continue;
+
+ pf = info->pixel_format;
+ pi = info->pixel_information;
+ w = info->horizontal_resolution;
+ h = info->vertical_resolution;
+
+ efi_bs_call(free_pool, info);
+
+ if (pf == PIXEL_BLT_ONLY || pf >= PIXEL_FORMAT_MAX)
+ continue;
+ if (w == cmdline.res.width && h == cmdline.res.height &&
+ (cmdline.res.format < 0 || cmdline.res.format == pf) &&
+ (!cmdline.res.depth || cmdline.res.depth == pixel_bpp(pf, pi)))
+ return m;
+ }
+
+ efi_err("Couldn't find requested mode\n");
+
+ return cur_mode;
+}
+
+static u32 choose_mode_auto(efi_graphics_output_protocol_t *gop)
+{
+ efi_status_t status;
+
+ efi_graphics_output_protocol_mode_t *mode;
+ efi_graphics_output_mode_info_t *info;
+ unsigned long info_size;
+
+ u32 max_mode, cur_mode, best_mode, area;
+ u8 depth;
+ int pf;
+ efi_pixel_bitmask_t pi;
+ u32 m, w, h, a;
+ u8 d;
+
+ mode = efi_table_attr(gop, mode);
+
+ cur_mode = efi_table_attr(mode, mode);
+ max_mode = efi_table_attr(mode, max_mode);
- first = 0;
- len = 0;
+ info = efi_table_attr(mode, info);
- if (mask) {
- while (!(mask & 0x1)) {
- mask = mask >> 1;
- first++;
+ pf = info->pixel_format;
+ pi = info->pixel_information;
+ w = info->horizontal_resolution;
+ h = info->vertical_resolution;
+
+ best_mode = cur_mode;
+ area = w * h;
+ depth = pixel_bpp(pf, pi);
+
+ for (m = 0; m < max_mode; m++) {
+ if (m == cur_mode)
+ continue;
+
+ status = efi_call_proto(gop, query_mode, m,
+ &info_size, &info);
+ if (status != EFI_SUCCESS)
+ continue;
+
+ pf = info->pixel_format;
+ pi = info->pixel_information;
+ w = info->horizontal_resolution;
+ h = info->vertical_resolution;
+
+ efi_bs_call(free_pool, info);
+
+ if (pf == PIXEL_BLT_ONLY || pf >= PIXEL_FORMAT_MAX)
+ continue;
+ a = w * h;
+ if (a < area)
+ continue;
+ d = pixel_bpp(pf, pi);
+ if (a > area || d > depth) {
+ best_mode = m;
+ area = a;
+ depth = d;
}
+ }
+
+ return best_mode;
+}
+
+static u32 choose_mode_list(efi_graphics_output_protocol_t *gop)
+{
+ efi_status_t status;
+
+ efi_graphics_output_protocol_mode_t *mode;
+ efi_graphics_output_mode_info_t *info;
+ unsigned long info_size;
+
+ u32 max_mode, cur_mode;
+ int pf;
+ efi_pixel_bitmask_t pi;
+ u32 m, w, h;
+ u8 d;
+ const char *dstr;
+ bool valid;
+ efi_input_key_t key;
- while (mask & 0x1) {
- mask = mask >> 1;
- len++;
+ mode = efi_table_attr(gop, mode);
+
+ cur_mode = efi_table_attr(mode, mode);
+ max_mode = efi_table_attr(mode, max_mode);
+
+ efi_printk("Available graphics modes are 0-%u\n", max_mode-1);
+ efi_puts(" * = current mode\n"
+ " - = unusable mode\n");
+ for (m = 0; m < max_mode; m++) {
+ status = efi_call_proto(gop, query_mode, m,
+ &info_size, &info);
+ if (status != EFI_SUCCESS)
+ continue;
+
+ pf = info->pixel_format;
+ pi = info->pixel_information;
+ w = info->horizontal_resolution;
+ h = info->vertical_resolution;
+
+ efi_bs_call(free_pool, info);
+
+ valid = !(pf == PIXEL_BLT_ONLY || pf >= PIXEL_FORMAT_MAX);
+ d = 0;
+ switch (pf) {
+ case PIXEL_RGB_RESERVED_8BIT_PER_COLOR:
+ dstr = "rgb";
+ break;
+ case PIXEL_BGR_RESERVED_8BIT_PER_COLOR:
+ dstr = "bgr";
+ break;
+ case PIXEL_BIT_MASK:
+ dstr = "";
+ d = pixel_bpp(pf, pi);
+ break;
+ case PIXEL_BLT_ONLY:
+ dstr = "blt";
+ break;
+ default:
+ dstr = "xxx";
+ break;
}
+
+ efi_printk("Mode %3u %c%c: Resolution %ux%u-%s%.0hhu\n",
+ m,
+ m == cur_mode ? '*' : ' ',
+ !valid ? '-' : ' ',
+ w, h, dstr, d);
+ }
+
+ efi_puts("\nPress any key to continue (or wait 10 seconds)\n");
+ status = efi_wait_for_key(10 * EFI_USEC_PER_SEC, &key);
+ if (status != EFI_SUCCESS && status != EFI_TIMEOUT) {
+ efi_err("Unable to read key, continuing in 10 seconds\n");
+ efi_bs_call(stall, 10 * EFI_USEC_PER_SEC);
+ }
+
+ return cur_mode;
+}
+
+static void set_mode(efi_graphics_output_protocol_t *gop)
+{
+ efi_graphics_output_protocol_mode_t *mode;
+ u32 cur_mode, new_mode;
+
+ switch (cmdline.option) {
+ case EFI_CMDLINE_MODE_NUM:
+ new_mode = choose_mode_modenum(gop);
+ break;
+ case EFI_CMDLINE_RES:
+ new_mode = choose_mode_res(gop);
+ break;
+ case EFI_CMDLINE_AUTO:
+ new_mode = choose_mode_auto(gop);
+ break;
+ case EFI_CMDLINE_LIST:
+ new_mode = choose_mode_list(gop);
+ break;
+ default:
+ return;
+ }
+
+ mode = efi_table_attr(gop, mode);
+ cur_mode = efi_table_attr(mode, mode);
+
+ if (new_mode == cur_mode)
+ return;
+
+ if (efi_call_proto(gop, set_mode, new_mode) != EFI_SUCCESS)
+ efi_err("Failed to set requested mode\n");
+}
+
+static void find_bits(u32 mask, u8 *pos, u8 *size)
+{
+ if (!mask) {
+ *pos = *size = 0;
+ return;
}
- *pos = first;
- *size = len;
+ /* UEFI spec guarantees that the set bits are contiguous */
+ *pos = __ffs(mask);
+ *size = __fls(mask) - *pos + 1;
}
static void
setup_pixel_info(struct screen_info *si, u32 pixels_per_scan_line,
efi_pixel_bitmask_t pixel_info, int pixel_format)
{
- if (pixel_format == PIXEL_RGB_RESERVED_8BIT_PER_COLOR) {
- si->lfb_depth = 32;
- si->lfb_linelength = pixels_per_scan_line * 4;
- si->red_size = 8;
- si->red_pos = 0;
- si->green_size = 8;
- si->green_pos = 8;
- si->blue_size = 8;
- si->blue_pos = 16;
- si->rsvd_size = 8;
- si->rsvd_pos = 24;
- } else if (pixel_format == PIXEL_BGR_RESERVED_8BIT_PER_COLOR) {
- si->lfb_depth = 32;
- si->lfb_linelength = pixels_per_scan_line * 4;
- si->red_size = 8;
- si->red_pos = 16;
- si->green_size = 8;
- si->green_pos = 8;
- si->blue_size = 8;
- si->blue_pos = 0;
- si->rsvd_size = 8;
- si->rsvd_pos = 24;
- } else if (pixel_format == PIXEL_BIT_MASK) {
- find_bits(pixel_info.red_mask, &si->red_pos, &si->red_size);
- find_bits(pixel_info.green_mask, &si->green_pos,
- &si->green_size);
- find_bits(pixel_info.blue_mask, &si->blue_pos, &si->blue_size);
- find_bits(pixel_info.reserved_mask, &si->rsvd_pos,
- &si->rsvd_size);
+ if (pixel_format == PIXEL_BIT_MASK) {
+ find_bits(pixel_info.red_mask,
+ &si->red_pos, &si->red_size);
+ find_bits(pixel_info.green_mask,
+ &si->green_pos, &si->green_size);
+ find_bits(pixel_info.blue_mask,
+ &si->blue_pos, &si->blue_size);
+ find_bits(pixel_info.reserved_mask,
+ &si->rsvd_pos, &si->rsvd_size);
si->lfb_depth = si->red_size + si->green_size +
si->blue_size + si->rsvd_size;
si->lfb_linelength = (pixels_per_scan_line * si->lfb_depth) / 8;
} else {
- si->lfb_depth = 4;
- si->lfb_linelength = si->lfb_width / 2;
- si->red_size = 0;
- si->red_pos = 0;
- si->green_size = 0;
- si->green_pos = 0;
- si->blue_size = 0;
- si->blue_pos = 0;
- si->rsvd_size = 0;
- si->rsvd_pos = 0;
+ if (pixel_format == PIXEL_RGB_RESERVED_8BIT_PER_COLOR) {
+ si->red_pos = 0;
+ si->blue_pos = 16;
+ } else /* PIXEL_BGR_RESERVED_8BIT_PER_COLOR */ {
+ si->blue_pos = 0;
+ si->red_pos = 16;
+ }
+
+ si->green_pos = 8;
+ si->rsvd_pos = 24;
+ si->red_size = si->green_size =
+ si->blue_size = si->rsvd_size = 8;
+
+ si->lfb_depth = 32;
+ si->lfb_linelength = pixels_per_scan_line * 4;
}
}
-static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
- unsigned long size, void **handles)
+static efi_graphics_output_protocol_t *
+find_gop(efi_guid_t *proto, unsigned long size, void **handles)
{
- efi_graphics_output_protocol_t *gop, *first_gop;
- u16 width, height;
- u32 pixels_per_scan_line;
- u32 ext_lfb_base;
- efi_physical_addr_t fb_base;
- efi_pixel_bitmask_t pixel_info;
- int pixel_format;
- efi_status_t status;
+ efi_graphics_output_protocol_t *first_gop;
efi_handle_t h;
int i;
first_gop = NULL;
- gop = NULL;
for_each_efi_handle(h, handles, size, i) {
+ efi_status_t status;
+
+ efi_graphics_output_protocol_t *gop;
efi_graphics_output_protocol_mode_t *mode;
- efi_graphics_output_mode_info_t *info = NULL;
+ efi_graphics_output_mode_info_t *info;
+
efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID;
- bool conout_found = false;
void *dummy = NULL;
- efi_physical_addr_t current_fb_base;
status = efi_bs_call(handle_protocol, h, proto, (void **)&gop);
if (status != EFI_SUCCESS)
continue;
+ mode = efi_table_attr(gop, mode);
+ info = efi_table_attr(mode, info);
+ if (info->pixel_format == PIXEL_BLT_ONLY ||
+ info->pixel_format >= PIXEL_FORMAT_MAX)
+ continue;
+
+ /*
+ * Systems that use the UEFI Console Splitter may
+ * provide multiple GOP devices, not all of which are
+ * backed by real hardware. The workaround is to search
+ * for a GOP implementing the ConOut protocol, and if
+ * one isn't found, to just fall back to the first GOP.
+ *
+ * Once we've found a GOP supporting ConOut,
+ * don't bother looking any further.
+ */
status = efi_bs_call(handle_protocol, h, &conout_proto, &dummy);
if (status == EFI_SUCCESS)
- conout_found = true;
+ return gop;
- mode = efi_table_attr(gop, mode);
- info = efi_table_attr(mode, info);
- current_fb_base = efi_table_attr(mode, frame_buffer_base);
-
- if ((!first_gop || conout_found) &&
- info->pixel_format != PIXEL_BLT_ONLY) {
- /*
- * Systems that use the UEFI Console Splitter may
- * provide multiple GOP devices, not all of which are
- * backed by real hardware. The workaround is to search
- * for a GOP implementing the ConOut protocol, and if
- * one isn't found, to just fall back to the first GOP.
- */
- width = info->horizontal_resolution;
- height = info->vertical_resolution;
- pixel_format = info->pixel_format;
- pixel_info = info->pixel_information;
- pixels_per_scan_line = info->pixels_per_scan_line;
- fb_base = current_fb_base;
-
- /*
- * Once we've found a GOP supporting ConOut,
- * don't bother looking any further.
- */
+ if (!first_gop)
first_gop = gop;
- if (conout_found)
- break;
- }
}
+ return first_gop;
+}
+
+static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto,
+ unsigned long size, void **handles)
+{
+ efi_graphics_output_protocol_t *gop;
+ efi_graphics_output_protocol_mode_t *mode;
+ efi_graphics_output_mode_info_t *info;
+
+ gop = find_gop(proto, size, handles);
+
/* Did we find any GOPs? */
- if (!first_gop)
+ if (!gop)
return EFI_NOT_FOUND;
+ /* Change mode if requested */
+ set_mode(gop);
+
/* EFI framebuffer */
+ mode = efi_table_attr(gop, mode);
+ info = efi_table_attr(mode, info);
+
si->orig_video_isVGA = VIDEO_TYPE_EFI;
- si->lfb_width = width;
- si->lfb_height = height;
- si->lfb_base = fb_base;
+ si->lfb_width = info->horizontal_resolution;
+ si->lfb_height = info->vertical_resolution;
- ext_lfb_base = (u64)(unsigned long)fb_base >> 32;
- if (ext_lfb_base) {
+ efi_set_u64_split(efi_table_attr(mode, frame_buffer_base),
+ &si->lfb_base, &si->ext_lfb_base);
+ if (si->ext_lfb_base)
si->capabilities |= VIDEO_CAPABILITY_64BIT_BASE;
- si->ext_lfb_base = ext_lfb_base;
- }
si->pages = 1;
- setup_pixel_info(si, pixels_per_scan_line, pixel_info, pixel_format);
+ setup_pixel_info(si, info->pixels_per_scan_line,
+ info->pixel_information, info->pixel_format);
si->lfb_size = si->lfb_linelength * si->lfb_height;
diff --git a/drivers/firmware/efi/libstub/mem.c b/drivers/firmware/efi/libstub/mem.c
index 869a79c8946f..feef8d4be113 100644
--- a/drivers/firmware/efi/libstub/mem.c
+++ b/drivers/firmware/efi/libstub/mem.c
@@ -5,8 +5,6 @@
#include "efistub.h"
-#define EFI_MMAP_NR_SLACK_SLOTS 8
-
static inline bool mmap_has_headroom(unsigned long buff_size,
unsigned long map_size,
unsigned long desc_size)
@@ -93,120 +91,23 @@ fail:
efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
unsigned long max)
{
- efi_physical_addr_t alloc_addr = ALIGN_DOWN(max + 1, EFI_ALLOC_ALIGN) - 1;
- int slack = EFI_ALLOC_ALIGN / EFI_PAGE_SIZE - 1;
+ efi_physical_addr_t alloc_addr;
efi_status_t status;
- size = round_up(size, EFI_ALLOC_ALIGN);
+ if (EFI_ALLOC_ALIGN > EFI_PAGE_SIZE)
+ return efi_allocate_pages_aligned(size, addr, max,
+ EFI_ALLOC_ALIGN);
+
+ alloc_addr = ALIGN_DOWN(max + 1, EFI_ALLOC_ALIGN) - 1;
status = efi_bs_call(allocate_pages, EFI_ALLOCATE_MAX_ADDRESS,
- EFI_LOADER_DATA, size / EFI_PAGE_SIZE + slack,
+ EFI_LOADER_DATA, DIV_ROUND_UP(size, EFI_PAGE_SIZE),
&alloc_addr);
if (status != EFI_SUCCESS)
return status;
- *addr = ALIGN((unsigned long)alloc_addr, EFI_ALLOC_ALIGN);
-
- if (slack > 0) {
- int l = (alloc_addr % EFI_ALLOC_ALIGN) / EFI_PAGE_SIZE;
-
- if (l) {
- efi_bs_call(free_pages, alloc_addr, slack - l + 1);
- slack = l - 1;
- }
- if (slack)
- efi_bs_call(free_pages, *addr + size, slack);
- }
+ *addr = alloc_addr;
return EFI_SUCCESS;
}
-/**
- * efi_low_alloc_above() - allocate pages at or above given address
- * @size: size of the memory area to allocate
- * @align: minimum alignment of the allocated memory area. It should
- * a power of two.
- * @addr: on exit the address of the allocated memory
- * @min: minimum address to used for the memory allocation
- *
- * Allocate at the lowest possible address that is not below @min as
- * EFI_LOADER_DATA. The allocated pages are aligned according to @align but at
- * least EFI_ALLOC_ALIGN. The first allocated page will not below the address
- * given by @min.
- *
- * Return: status code
- */
-efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
- unsigned long *addr, unsigned long min)
-{
- unsigned long map_size, desc_size, buff_size;
- efi_memory_desc_t *map;
- efi_status_t status;
- unsigned long nr_pages;
- int i;
- struct efi_boot_memmap boot_map;
-
- boot_map.map = &map;
- boot_map.map_size = &map_size;
- boot_map.desc_size = &desc_size;
- boot_map.desc_ver = NULL;
- boot_map.key_ptr = NULL;
- boot_map.buff_size = &buff_size;
-
- status = efi_get_memory_map(&boot_map);
- if (status != EFI_SUCCESS)
- goto fail;
-
- /*
- * Enforce minimum alignment that EFI or Linux requires when
- * requesting a specific address. We are doing page-based (or
- * larger) allocations, and both the address and size must meet
- * alignment constraints.
- */
- if (align < EFI_ALLOC_ALIGN)
- align = EFI_ALLOC_ALIGN;
-
- size = round_up(size, EFI_ALLOC_ALIGN);
- nr_pages = size / EFI_PAGE_SIZE;
- for (i = 0; i < map_size / desc_size; i++) {
- efi_memory_desc_t *desc;
- unsigned long m = (unsigned long)map;
- u64 start, end;
-
- desc = efi_early_memdesc_ptr(m, desc_size, i);
-
- if (desc->type != EFI_CONVENTIONAL_MEMORY)
- continue;
-
- if (efi_soft_reserve_enabled() &&
- (desc->attribute & EFI_MEMORY_SP))
- continue;
-
- if (desc->num_pages < nr_pages)
- continue;
-
- start = desc->phys_addr;
- end = start + desc->num_pages * EFI_PAGE_SIZE;
-
- if (start < min)
- start = min;
-
- start = round_up(start, align);
- if ((start + size) > end)
- continue;
-
- status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
- EFI_LOADER_DATA, nr_pages, &start);
- if (status == EFI_SUCCESS) {
- *addr = start;
- break;
- }
- }
-
- if (i == map_size / desc_size)
- status = EFI_NOT_FOUND;
-
- efi_bs_call(free_pool, map);
-fail:
- return status;
-}
/**
* efi_free() - free memory pages
@@ -229,81 +130,3 @@ void efi_free(unsigned long size, unsigned long addr)
nr_pages = round_up(size, EFI_ALLOC_ALIGN) / EFI_PAGE_SIZE;
efi_bs_call(free_pages, addr, nr_pages);
}
-
-/**
- * efi_relocate_kernel() - copy memory area
- * @image_addr: pointer to address of memory area to copy
- * @image_size: size of memory area to copy
- * @alloc_size: minimum size of memory to allocate, must be greater or
- * equal to image_size
- * @preferred_addr: preferred target address
- * @alignment: minimum alignment of the allocated memory area. It
- * should be a power of two.
- * @min_addr: minimum target address
- *
- * Copy a memory area to a newly allocated memory area aligned according
- * to @alignment but at least EFI_ALLOC_ALIGN. If the preferred address
- * is not available, the allocated address will not be below @min_addr.
- * On exit, @image_addr is updated to the target copy address that was used.
- *
- * This function is used to copy the Linux kernel verbatim. It does not apply
- * any relocation changes.
- *
- * Return: status code
- */
-efi_status_t efi_relocate_kernel(unsigned long *image_addr,
- unsigned long image_size,
- unsigned long alloc_size,
- unsigned long preferred_addr,
- unsigned long alignment,
- unsigned long min_addr)
-{
- unsigned long cur_image_addr;
- unsigned long new_addr = 0;
- efi_status_t status;
- unsigned long nr_pages;
- efi_physical_addr_t efi_addr = preferred_addr;
-
- if (!image_addr || !image_size || !alloc_size)
- return EFI_INVALID_PARAMETER;
- if (alloc_size < image_size)
- return EFI_INVALID_PARAMETER;
-
- cur_image_addr = *image_addr;
-
- /*
- * The EFI firmware loader could have placed the kernel image
- * anywhere in memory, but the kernel has restrictions on the
- * max physical address it can run at. Some architectures
- * also have a prefered address, so first try to relocate
- * to the preferred address. If that fails, allocate as low
- * as possible while respecting the required alignment.
- */
- nr_pages = round_up(alloc_size, EFI_ALLOC_ALIGN) / EFI_PAGE_SIZE;
- status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
- EFI_LOADER_DATA, nr_pages, &efi_addr);
- new_addr = efi_addr;
- /*
- * If preferred address allocation failed allocate as low as
- * possible.
- */
- if (status != EFI_SUCCESS) {
- status = efi_low_alloc_above(alloc_size, alignment, &new_addr,
- min_addr);
- }
- if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to allocate usable memory for kernel.\n");
- return status;
- }
-
- /*
- * We know source/dest won't overlap since both memory ranges
- * have been allocated by UEFI, so we can safely use memcpy.
- */
- memcpy((void *)new_addr, (void *)cur_image_addr, image_size);
-
- /* Return the new address of the relocated image. */
- *image_addr = new_addr;
-
- return status;
-}
diff --git a/drivers/firmware/efi/libstub/pci.c b/drivers/firmware/efi/libstub/pci.c
index b025e59b94df..99fb25d2bcf5 100644
--- a/drivers/firmware/efi/libstub/pci.c
+++ b/drivers/firmware/efi/libstub/pci.c
@@ -28,21 +28,21 @@ void efi_pci_disable_bridge_busmaster(void)
if (status != EFI_BUFFER_TOO_SMALL) {
if (status != EFI_SUCCESS && status != EFI_NOT_FOUND)
- pr_efi_err("Failed to locate PCI I/O handles'\n");
+ efi_err("Failed to locate PCI I/O handles'\n");
return;
}
status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, pci_handle_size,
(void **)&pci_handle);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to allocate memory for 'pci_handle'\n");
+ efi_err("Failed to allocate memory for 'pci_handle'\n");
return;
}
status = efi_bs_call(locate_handle, EFI_LOCATE_BY_PROTOCOL, &pci_proto,
NULL, &pci_handle_size, pci_handle);
if (status != EFI_SUCCESS) {
- pr_efi_err("Failed to locate PCI I/O handles'\n");
+ efi_err("Failed to locate PCI I/O handles'\n");
goto free_handle;
}
@@ -69,7 +69,7 @@ void efi_pci_disable_bridge_busmaster(void)
* access to the framebuffer. Drivers for true PCIe graphics
* controllers that are behind a PCIe root port do not use
* DMA to implement the GOP framebuffer anyway [although they
- * may use it in their implentation of Gop->Blt()], and so
+ * may use it in their implementation of Gop->Blt()], and so
* disabling DMA in the PCI bridge should not interfere with
* normal operation of the device.
*/
@@ -106,7 +106,7 @@ void efi_pci_disable_bridge_busmaster(void)
status = efi_call_proto(pci, pci.write, EfiPciIoWidthUint16,
PCI_COMMAND, 1, &command);
if (status != EFI_SUCCESS)
- pr_efi_err("Failed to disable PCI busmastering\n");
+ efi_err("Failed to disable PCI busmastering\n");
}
free_handle:
diff --git a/drivers/firmware/efi/libstub/randomalloc.c b/drivers/firmware/efi/libstub/randomalloc.c
index 4578f59e160c..a408df474d83 100644
--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -74,6 +74,8 @@ efi_status_t efi_random_alloc(unsigned long size,
if (align < EFI_ALLOC_ALIGN)
align = EFI_ALLOC_ALIGN;
+ size = round_up(size, EFI_ALLOC_ALIGN);
+
/* count the suitable slots in each memory map entry */
for (map_offset = 0; map_offset < map_size; map_offset += desc_size) {
efi_memory_desc_t *md = (void *)memory_map + map_offset;
@@ -85,7 +87,7 @@ efi_status_t efi_random_alloc(unsigned long size,
}
/* find a random number between 0 and total_slots */
- target_slot = (total_slots * (u16)random_seed) >> 16;
+ target_slot = (total_slots * (u64)(random_seed & U32_MAX)) >> 32;
/*
* target_slot is now a value in the range [0, total_slots), and so
@@ -109,7 +111,7 @@ efi_status_t efi_random_alloc(unsigned long size,
}
target = round_up(md->phys_addr, align) + target_slot * align;
- pages = round_up(size, EFI_PAGE_SIZE) / EFI_PAGE_SIZE;
+ pages = size / EFI_PAGE_SIZE;
status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
EFI_LOADER_DATA, pages, &target);
diff --git a/drivers/firmware/efi/libstub/relocate.c b/drivers/firmware/efi/libstub/relocate.c
new file mode 100644
index 000000000000..9b1aaf8b123f
--- /dev/null
+++ b/drivers/firmware/efi/libstub/relocate.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/efi.h>
+#include <asm/efi.h>
+
+#include "efistub.h"
+
+/**
+ * efi_low_alloc_above() - allocate pages at or above given address
+ * @size: size of the memory area to allocate
+ * @align: minimum alignment of the allocated memory area. It should
+ * a power of two.
+ * @addr: on exit the address of the allocated memory
+ * @min: minimum address to used for the memory allocation
+ *
+ * Allocate at the lowest possible address that is not below @min as
+ * EFI_LOADER_DATA. The allocated pages are aligned according to @align but at
+ * least EFI_ALLOC_ALIGN. The first allocated page will not below the address
+ * given by @min.
+ *
+ * Return: status code
+ */
+static efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
+ unsigned long *addr, unsigned long min)
+{
+ unsigned long map_size, desc_size, buff_size;
+ efi_memory_desc_t *map;
+ efi_status_t status;
+ unsigned long nr_pages;
+ int i;
+ struct efi_boot_memmap boot_map;
+
+ boot_map.map = &map;
+ boot_map.map_size = &map_size;
+ boot_map.desc_size = &desc_size;
+ boot_map.desc_ver = NULL;
+ boot_map.key_ptr = NULL;
+ boot_map.buff_size = &buff_size;
+
+ status = efi_get_memory_map(&boot_map);
+ if (status != EFI_SUCCESS)
+ goto fail;
+
+ /*
+ * Enforce minimum alignment that EFI or Linux requires when
+ * requesting a specific address. We are doing page-based (or
+ * larger) allocations, and both the address and size must meet
+ * alignment constraints.
+ */
+ if (align < EFI_ALLOC_ALIGN)
+ align = EFI_ALLOC_ALIGN;
+
+ size = round_up(size, EFI_ALLOC_ALIGN);
+ nr_pages = size / EFI_PAGE_SIZE;
+ for (i = 0; i < map_size / desc_size; i++) {
+ efi_memory_desc_t *desc;
+ unsigned long m = (unsigned long)map;
+ u64 start, end;
+
+ desc = efi_early_memdesc_ptr(m, desc_size, i);
+
+ if (desc->type != EFI_CONVENTIONAL_MEMORY)
+ continue;
+
+ if (efi_soft_reserve_enabled() &&
+ (desc->attribute & EFI_MEMORY_SP))
+ continue;
+
+ if (desc->num_pages < nr_pages)
+ continue;
+
+ start = desc->phys_addr;
+ end = start + desc->num_pages * EFI_PAGE_SIZE;
+
+ if (start < min)
+ start = min;
+
+ start = round_up(start, align);
+ if ((start + size) > end)
+ continue;
+
+ status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
+ EFI_LOADER_DATA, nr_pages, &start);
+ if (status == EFI_SUCCESS) {
+ *addr = start;
+ break;
+ }
+ }
+
+ if (i == map_size / desc_size)
+ status = EFI_NOT_FOUND;
+
+ efi_bs_call(free_pool, map);
+fail:
+ return status;
+}
+
+/**
+ * efi_relocate_kernel() - copy memory area
+ * @image_addr: pointer to address of memory area to copy
+ * @image_size: size of memory area to copy
+ * @alloc_size: minimum size of memory to allocate, must be greater or
+ * equal to image_size
+ * @preferred_addr: preferred target address
+ * @alignment: minimum alignment of the allocated memory area. It
+ * should be a power of two.
+ * @min_addr: minimum target address
+ *
+ * Copy a memory area to a newly allocated memory area aligned according
+ * to @alignment but at least EFI_ALLOC_ALIGN. If the preferred address
+ * is not available, the allocated address will not be below @min_addr.
+ * On exit, @image_addr is updated to the target copy address that was used.
+ *
+ * This function is used to copy the Linux kernel verbatim. It does not apply
+ * any relocation changes.
+ *
+ * Return: status code
+ */
+efi_status_t efi_relocate_kernel(unsigned long *image_addr,
+ unsigned long image_size,
+ unsigned long alloc_size,
+ unsigned long preferred_addr,
+ unsigned long alignment,
+ unsigned long min_addr)
+{
+ unsigned long cur_image_addr;
+ unsigned long new_addr = 0;
+ efi_status_t status;
+ unsigned long nr_pages;
+ efi_physical_addr_t efi_addr = preferred_addr;
+
+ if (!image_addr || !image_size || !alloc_size)
+ return EFI_INVALID_PARAMETER;
+ if (alloc_size < image_size)
+ return EFI_INVALID_PARAMETER;
+
+ cur_image_addr = *image_addr;
+
+ /*
+ * The EFI firmware loader could have placed the kernel image
+ * anywhere in memory, but the kernel has restrictions on the
+ * max physical address it can run at. Some architectures
+ * also have a preferred address, so first try to relocate
+ * to the preferred address. If that fails, allocate as low
+ * as possible while respecting the required alignment.
+ */
+ nr_pages = round_up(alloc_size, EFI_ALLOC_ALIGN) / EFI_PAGE_SIZE;
+ status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,
+ EFI_LOADER_DATA, nr_pages, &efi_addr);
+ new_addr = efi_addr;
+ /*
+ * If preferred address allocation failed allocate as low as
+ * possible.
+ */
+ if (status != EFI_SUCCESS) {
+ status = efi_low_alloc_above(alloc_size, alignment, &new_addr,
+ min_addr);
+ }
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to allocate usable memory for kernel.\n");
+ return status;
+ }
+
+ /*
+ * We know source/dest won't overlap since both memory ranges
+ * have been allocated by UEFI, so we can safely use memcpy.
+ */
+ memcpy((void *)new_addr, (void *)cur_image_addr, image_size);
+
+ /* Return the new address of the relocated image. */
+ *image_addr = new_addr;
+
+ return status;
+}
diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c
index a765378ad18c..5efc524b14be 100644
--- a/drivers/firmware/efi/libstub/secureboot.c
+++ b/drivers/firmware/efi/libstub/secureboot.c
@@ -67,10 +67,10 @@ enum efi_secureboot_mode efi_get_secureboot(void)
return efi_secureboot_mode_disabled;
secure_boot_enabled:
- pr_efi("UEFI Secure Boot is enabled.\n");
+ efi_info("UEFI Secure Boot is enabled.\n");
return efi_secureboot_mode_enabled;
out_efi_err:
- pr_efi_err("Could not determine UEFI Secure Boot status.\n");
+ efi_err("Could not determine UEFI Secure Boot status.\n");
return efi_secureboot_mode_unknown;
}
diff --git a/drivers/firmware/efi/libstub/tpm.c b/drivers/firmware/efi/libstub/tpm.c
index 1d59e103a2e3..7acbac16eae0 100644
--- a/drivers/firmware/efi/libstub/tpm.c
+++ b/drivers/firmware/efi/libstub/tpm.c
@@ -54,7 +54,7 @@ void efi_retrieve_tpm2_eventlog(void)
efi_status_t status;
efi_physical_addr_t log_location = 0, log_last_entry = 0;
struct linux_efi_tpm_eventlog *log_tbl = NULL;
- struct efi_tcg2_final_events_table *final_events_table;
+ struct efi_tcg2_final_events_table *final_events_table = NULL;
unsigned long first_entry_addr, last_entry_addr;
size_t log_size, last_entry_size;
efi_bool_t truncated;
@@ -119,7 +119,7 @@ void efi_retrieve_tpm2_eventlog(void)
sizeof(*log_tbl) + log_size, (void **)&log_tbl);
if (status != EFI_SUCCESS) {
- efi_printk("Unable to allocate memory for event log\n");
+ efi_err("Unable to allocate memory for event log\n");
return;
}
@@ -127,7 +127,8 @@ void efi_retrieve_tpm2_eventlog(void)
* Figure out whether any events have already been logged to the
* final events structure, and if so how much space they take up
*/
- final_events_table = get_efi_config_table(LINUX_EFI_TPM_FINAL_LOG_GUID);
+ if (version == EFI_TCG2_EVENT_LOG_FORMAT_TCG_2)
+ final_events_table = get_efi_config_table(LINUX_EFI_TPM_FINAL_LOG_GUID);
if (final_events_table && final_events_table->nr_events) {
struct tcg_pcr_event2_head *header;
int offset;
diff --git a/drivers/firmware/efi/libstub/vsprintf.c b/drivers/firmware/efi/libstub/vsprintf.c
new file mode 100644
index 000000000000..e65ef49a54cd
--- /dev/null
+++ b/drivers/firmware/efi/libstub/vsprintf.c
@@ -0,0 +1,564 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* -*- linux-c -*- ------------------------------------------------------- *
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ * Copyright 2007 rPath, Inc. - All Rights Reserved
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * Oh, it's a waste of space, but oh-so-yummy for debugging.
+ */
+
+#include <stdarg.h>
+
+#include <linux/compiler.h>
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/limits.h>
+#include <linux/string.h>
+#include <linux/types.h>
+
+static
+int skip_atoi(const char **s)
+{
+ int i = 0;
+
+ while (isdigit(**s))
+ i = i * 10 + *((*s)++) - '0';
+ return i;
+}
+
+/*
+ * put_dec_full4 handles numbers in the range 0 <= r < 10000.
+ * The multiplier 0xccd is round(2^15/10), and the approximation
+ * r/10 == (r * 0xccd) >> 15 is exact for all r < 16389.
+ */
+static
+void put_dec_full4(char *end, unsigned int r)
+{
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ unsigned int q = (r * 0xccd) >> 15;
+ *--end = '0' + (r - q * 10);
+ r = q;
+ }
+ *--end = '0' + r;
+}
+
+/* put_dec is copied from lib/vsprintf.c with small modifications */
+
+/*
+ * Call put_dec_full4 on x % 10000, return x / 10000.
+ * The approximation x/10000 == (x * 0x346DC5D7) >> 43
+ * holds for all x < 1,128,869,999. The largest value this
+ * helper will ever be asked to convert is 1,125,520,955.
+ * (second call in the put_dec code, assuming n is all-ones).
+ */
+static
+unsigned int put_dec_helper4(char *end, unsigned int x)
+{
+ unsigned int q = (x * 0x346DC5D7ULL) >> 43;
+
+ put_dec_full4(end, x - q * 10000);
+ return q;
+}
+
+/* Based on code by Douglas W. Jones found at
+ * <http://www.cs.uiowa.edu/~jones/bcd/decimal.html#sixtyfour>
+ * (with permission from the author).
+ * Performs no 64-bit division and hence should be fast on 32-bit machines.
+ */
+static
+char *put_dec(char *end, unsigned long long n)
+{
+ unsigned int d3, d2, d1, q, h;
+ char *p = end;
+
+ d1 = ((unsigned int)n >> 16); /* implicit "& 0xffff" */
+ h = (n >> 32);
+ d2 = (h ) & 0xffff;
+ d3 = (h >> 16); /* implicit "& 0xffff" */
+
+ /* n = 2^48 d3 + 2^32 d2 + 2^16 d1 + d0
+ = 281_4749_7671_0656 d3 + 42_9496_7296 d2 + 6_5536 d1 + d0 */
+ q = 656 * d3 + 7296 * d2 + 5536 * d1 + ((unsigned int)n & 0xffff);
+ q = put_dec_helper4(p, q);
+ p -= 4;
+
+ q += 7671 * d3 + 9496 * d2 + 6 * d1;
+ q = put_dec_helper4(p, q);
+ p -= 4;
+
+ q += 4749 * d3 + 42 * d2;
+ q = put_dec_helper4(p, q);
+ p -= 4;
+
+ q += 281 * d3;
+ q = put_dec_helper4(p, q);
+ p -= 4;
+
+ put_dec_full4(p, q);
+ p -= 4;
+
+ /* strip off the extra 0's we printed */
+ while (p < end && *p == '0')
+ ++p;
+
+ return p;
+}
+
+static
+char *number(char *end, unsigned long long num, int base, char locase)
+{
+ /*
+ * locase = 0 or 0x20. ORing digits or letters with 'locase'
+ * produces same digits or (maybe lowercased) letters
+ */
+
+ /* we are called with base 8, 10 or 16, only, thus don't need "G..." */
+ static const char digits[16] = "0123456789ABCDEF"; /* "GHIJKLMNOPQRSTUVWXYZ"; */
+
+ switch (base) {
+ case 10:
+ if (num != 0)
+ end = put_dec(end, num);
+ break;
+ case 8:
+ for (; num != 0; num >>= 3)
+ *--end = '0' + (num & 07);
+ break;
+ case 16:
+ for (; num != 0; num >>= 4)
+ *--end = digits[num & 0xf] | locase;
+ break;
+ default:
+ unreachable();
+ };
+
+ return end;
+}
+
+#define ZEROPAD 1 /* pad with zero */
+#define SIGN 2 /* unsigned/signed long */
+#define PLUS 4 /* show plus */
+#define SPACE 8 /* space if plus */
+#define LEFT 16 /* left justified */
+#define SMALL 32 /* Must be 32 == 0x20 */
+#define SPECIAL 64 /* 0x */
+#define WIDE 128 /* UTF-16 string */
+
+static
+int get_flags(const char **fmt)
+{
+ int flags = 0;
+
+ do {
+ switch (**fmt) {
+ case '-':
+ flags |= LEFT;
+ break;
+ case '+':
+ flags |= PLUS;
+ break;
+ case ' ':
+ flags |= SPACE;
+ break;
+ case '#':
+ flags |= SPECIAL;
+ break;
+ case '0':
+ flags |= ZEROPAD;
+ break;
+ default:
+ return flags;
+ }
+ ++(*fmt);
+ } while (1);
+}
+
+static
+int get_int(const char **fmt, va_list *ap)
+{
+ if (isdigit(**fmt))
+ return skip_atoi(fmt);
+ if (**fmt == '*') {
+ ++(*fmt);
+ /* it's the next argument */
+ return va_arg(*ap, int);
+ }
+ return 0;
+}
+
+static
+unsigned long long get_number(int sign, int qualifier, va_list *ap)
+{
+ if (sign) {
+ switch (qualifier) {
+ case 'L':
+ return va_arg(*ap, long long);
+ case 'l':
+ return va_arg(*ap, long);
+ case 'h':
+ return (short)va_arg(*ap, int);
+ case 'H':
+ return (signed char)va_arg(*ap, int);
+ default:
+ return va_arg(*ap, int);
+ };
+ } else {
+ switch (qualifier) {
+ case 'L':
+ return va_arg(*ap, unsigned long long);
+ case 'l':
+ return va_arg(*ap, unsigned long);
+ case 'h':
+ return (unsigned short)va_arg(*ap, int);
+ case 'H':
+ return (unsigned char)va_arg(*ap, int);
+ default:
+ return va_arg(*ap, unsigned int);
+ }
+ }
+}
+
+static
+char get_sign(long long *num, int flags)
+{
+ if (!(flags & SIGN))
+ return 0;
+ if (*num < 0) {
+ *num = -(*num);
+ return '-';
+ }
+ if (flags & PLUS)
+ return '+';
+ if (flags & SPACE)
+ return ' ';
+ return 0;
+}
+
+static
+size_t utf16s_utf8nlen(const u16 *s16, size_t maxlen)
+{
+ size_t len, clen;
+
+ for (len = 0; len < maxlen && *s16; len += clen) {
+ u16 c0 = *s16++;
+
+ /* First, get the length for a BMP character */
+ clen = 1 + (c0 >= 0x80) + (c0 >= 0x800);
+ if (len + clen > maxlen)
+ break;
+ /*
+ * If this is a high surrogate, and we're already at maxlen, we
+ * can't include the character if it's a valid surrogate pair.
+ * Avoid accessing one extra word just to check if it's valid
+ * or not.
+ */
+ if ((c0 & 0xfc00) == 0xd800) {
+ if (len + clen == maxlen)
+ break;
+ if ((*s16 & 0xfc00) == 0xdc00) {
+ ++s16;
+ ++clen;
+ }
+ }
+ }
+
+ return len;
+}
+
+static
+u32 utf16_to_utf32(const u16 **s16)
+{
+ u16 c0, c1;
+
+ c0 = *(*s16)++;
+ /* not a surrogate */
+ if ((c0 & 0xf800) != 0xd800)
+ return c0;
+ /* invalid: low surrogate instead of high */
+ if (c0 & 0x0400)
+ return 0xfffd;
+ c1 = **s16;
+ /* invalid: missing low surrogate */
+ if ((c1 & 0xfc00) != 0xdc00)
+ return 0xfffd;
+ /* valid surrogate pair */
+ ++(*s16);
+ return (0x10000 - (0xd800 << 10) - 0xdc00) + (c0 << 10) + c1;
+}
+
+#define PUTC(c) \
+do { \
+ if (pos < size) \
+ buf[pos] = (c); \
+ ++pos; \
+} while (0);
+
+int vsnprintf(char *buf, size_t size, const char *fmt, va_list ap)
+{
+ /* The maximum space required is to print a 64-bit number in octal */
+ char tmp[(sizeof(unsigned long long) * 8 + 2) / 3];
+ char *tmp_end = &tmp[ARRAY_SIZE(tmp)];
+ long long num;
+ int base;
+ const char *s;
+ size_t len, pos;
+ char sign;
+
+ int flags; /* flags to number() */
+
+ int field_width; /* width of output field */
+ int precision; /* min. # of digits for integers; max
+ number of chars for from string */
+ int qualifier; /* 'h', 'hh', 'l' or 'll' for integer fields */
+
+ va_list args;
+
+ /*
+ * We want to pass our input va_list to helper functions by reference,
+ * but there's an annoying edge case. If va_list was originally passed
+ * to us by value, we could just pass &ap down to the helpers. This is
+ * the case on, for example, X86_32.
+ * However, on X86_64 (and possibly others), va_list is actually a
+ * size-1 array containing a structure. Our function parameter ap has
+ * decayed from T[1] to T*, and &ap has type T** rather than T(*)[1],
+ * which is what will be expected by a function taking a va_list *
+ * parameter.
+ * One standard way to solve this mess is by creating a copy in a local
+ * variable of type va_list and then passing a pointer to that local
+ * copy instead, which is what we do here.
+ */
+ va_copy(args, ap);
+
+ for (pos = 0; *fmt; ++fmt) {
+ if (*fmt != '%' || *++fmt == '%') {
+ PUTC(*fmt);
+ continue;
+ }
+
+ /* process flags */
+ flags = get_flags(&fmt);
+
+ /* get field width */
+ field_width = get_int(&fmt, &args);
+ if (field_width < 0) {
+ field_width = -field_width;
+ flags |= LEFT;
+ }
+
+ if (flags & LEFT)
+ flags &= ~ZEROPAD;
+
+ /* get the precision */
+ precision = -1;
+ if (*fmt == '.') {
+ ++fmt;
+ precision = get_int(&fmt, &args);
+ if (precision >= 0)
+ flags &= ~ZEROPAD;
+ }
+
+ /* get the conversion qualifier */
+ qualifier = -1;
+ if (*fmt == 'h' || *fmt == 'l') {
+ qualifier = *fmt;
+ ++fmt;
+ if (qualifier == *fmt) {
+ qualifier -= 'a'-'A';
+ ++fmt;
+ }
+ }
+
+ sign = 0;
+
+ switch (*fmt) {
+ case 'c':
+ flags &= LEFT;
+ s = tmp;
+ if (qualifier == 'l') {
+ ((u16 *)tmp)[0] = (u16)va_arg(args, unsigned int);
+ ((u16 *)tmp)[1] = L'\0';
+ precision = INT_MAX;
+ goto wstring;
+ } else {
+ tmp[0] = (unsigned char)va_arg(args, int);
+ precision = len = 1;
+ }
+ goto output;
+
+ case 's':
+ flags &= LEFT;
+ if (precision < 0)
+ precision = INT_MAX;
+ s = va_arg(args, void *);
+ if (!s)
+ s = precision < 6 ? "" : "(null)";
+ else if (qualifier == 'l') {
+ wstring:
+ flags |= WIDE;
+ precision = len = utf16s_utf8nlen((const u16 *)s, precision);
+ goto output;
+ }
+ precision = len = strnlen(s, precision);
+ goto output;
+
+ /* integer number formats - set up the flags and "break" */
+ case 'o':
+ base = 8;
+ break;
+
+ case 'p':
+ if (precision < 0)
+ precision = 2 * sizeof(void *);
+ fallthrough;
+ case 'x':
+ flags |= SMALL;
+ fallthrough;
+ case 'X':
+ base = 16;
+ break;
+
+ case 'd':
+ case 'i':
+ flags |= SIGN;
+ fallthrough;
+ case 'u':
+ flags &= ~SPECIAL;
+ base = 10;
+ break;
+
+ default:
+ /*
+ * Bail out if the conversion specifier is invalid.
+ * There's probably a typo in the format string and the
+ * remaining specifiers are unlikely to match up with
+ * the arguments.
+ */
+ goto fail;
+ }
+ if (*fmt == 'p') {
+ num = (unsigned long)va_arg(args, void *);
+ } else {
+ num = get_number(flags & SIGN, qualifier, &args);
+ }
+
+ sign = get_sign(&num, flags);
+ if (sign)
+ --field_width;
+
+ s = number(tmp_end, num, base, flags & SMALL);
+ len = tmp_end - s;
+ /* default precision is 1 */
+ if (precision < 0)
+ precision = 1;
+ /* precision is minimum number of digits to print */
+ if (precision < len)
+ precision = len;
+ if (flags & SPECIAL) {
+ /*
+ * For octal, a leading 0 is printed only if necessary,
+ * i.e. if it's not already there because of the
+ * precision.
+ */
+ if (base == 8 && precision == len)
+ ++precision;
+ /*
+ * For hexadecimal, the leading 0x is skipped if the
+ * output is empty, i.e. both the number and the
+ * precision are 0.
+ */
+ if (base == 16 && precision > 0)
+ field_width -= 2;
+ else
+ flags &= ~SPECIAL;
+ }
+ /*
+ * For zero padding, increase the precision to fill the field
+ * width.
+ */
+ if ((flags & ZEROPAD) && field_width > precision)
+ precision = field_width;
+
+output:
+ /* Calculate the padding necessary */
+ field_width -= precision;
+ /* Leading padding with ' ' */
+ if (!(flags & LEFT))
+ while (field_width-- > 0)
+ PUTC(' ');
+ /* sign */
+ if (sign)
+ PUTC(sign);
+ /* 0x/0X for hexadecimal */
+ if (flags & SPECIAL) {
+ PUTC('0');
+ PUTC( 'X' | (flags & SMALL));
+ }
+ /* Zero padding and excess precision */
+ while (precision-- > len)
+ PUTC('0');
+ /* Actual output */
+ if (flags & WIDE) {
+ const u16 *ws = (const u16 *)s;
+
+ while (len-- > 0) {
+ u32 c32 = utf16_to_utf32(&ws);
+ u8 *s8;
+ size_t clen;
+
+ if (c32 < 0x80) {
+ PUTC(c32);
+ continue;
+ }
+
+ /* Number of trailing octets */
+ clen = 1 + (c32 >= 0x800) + (c32 >= 0x10000);
+
+ len -= clen;
+ s8 = (u8 *)&buf[pos];
+
+ /* Avoid writing partial character */
+ PUTC('\0');
+ pos += clen;
+ if (pos >= size)
+ continue;
+
+ /* Set high bits of leading octet */
+ *s8 = (0xf00 >> 1) >> clen;
+ /* Write trailing octets in reverse order */
+ for (s8 += clen; clen; --clen, c32 >>= 6)
+ *s8-- = 0x80 | (c32 & 0x3f);
+ /* Set low bits of leading octet */
+ *s8 |= c32;
+ }
+ } else {
+ while (len-- > 0)
+ PUTC(*s++);
+ }
+ /* Trailing padding with ' ' */
+ while (field_width-- > 0)
+ PUTC(' ');
+ }
+fail:
+ va_end(args);
+
+ if (size)
+ buf[min(pos, size-1)] = '\0';
+
+ return pos;
+}
+
+int snprintf(char *buf, size_t size, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ va_start(args, fmt);
+ i = vsnprintf(buf, size, fmt, args);
+ va_end(args);
+ return i;
+}
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index 05ccb229fb45..5a48d996ed71 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -20,21 +20,9 @@
/* Maximum physical address for 64-bit kernel with 4-level paging */
#define MAXMEM_X86_64_4LEVEL (1ull << 46)
-static efi_system_table_t *sys_table __efistub_global;
-extern const bool efi_is64;
+const efi_system_table_t *efi_system_table;
extern u32 image_offset;
-
-__pure efi_system_table_t *efi_system_table(void)
-{
- return sys_table;
-}
-
-__attribute_const__ bool efi_is_64bit(void)
-{
- if (IS_ENABLED(CONFIG_EFI_MIXED))
- return efi_is64;
- return IS_ENABLED(CONFIG_X86_64);
-}
+static efi_loaded_image_t *image = NULL;
static efi_status_t
preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
@@ -62,7 +50,7 @@ preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
status = efi_bs_call(allocate_pool, EFI_LOADER_DATA, size,
(void **)&rom);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to allocate memory for 'rom'\n");
+ efi_err("Failed to allocate memory for 'rom'\n");
return status;
}
@@ -78,7 +66,7 @@ preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
PCI_VENDOR_ID, 1, &rom->vendor);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to read rom->vendor\n");
+ efi_err("Failed to read rom->vendor\n");
goto free_struct;
}
@@ -86,7 +74,7 @@ preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
PCI_DEVICE_ID, 1, &rom->devid);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to read rom->devid\n");
+ efi_err("Failed to read rom->devid\n");
goto free_struct;
}
@@ -131,7 +119,7 @@ static void setup_efi_pci(struct boot_params *params)
(void **)&pci_handle);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to allocate memory for 'pci_handle'\n");
+ efi_err("Failed to allocate memory for 'pci_handle'\n");
return;
}
@@ -185,7 +173,7 @@ static void retrieve_apple_device_properties(struct boot_params *boot_params)
return;
if (efi_table_attr(p, version) != 0x10000) {
- efi_printk("Unsupported properties proto version\n");
+ efi_err("Unsupported properties proto version\n");
return;
}
@@ -198,7 +186,7 @@ static void retrieve_apple_device_properties(struct boot_params *boot_params)
size + sizeof(struct setup_data),
(void **)&new);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to allocate memory for 'properties'\n");
+ efi_err("Failed to allocate memory for 'properties'\n");
return;
}
@@ -227,7 +215,7 @@ static const efi_char16_t apple[] = L"Apple";
static void setup_quirks(struct boot_params *boot_params)
{
efi_char16_t *fw_vendor = (efi_char16_t *)(unsigned long)
- efi_table_attr(efi_system_table(), fw_vendor);
+ efi_table_attr(efi_system_table, fw_vendor);
if (!memcmp(fw_vendor, apple, sizeof(apple))) {
if (IS_ENABLED(CONFIG_APPLE_PROPERTIES))
@@ -368,7 +356,6 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
{
struct boot_params *boot_params;
struct setup_header *hdr;
- efi_loaded_image_t *image;
void *image_base;
efi_guid_t proto = LOADED_IMAGE_PROTOCOL_GUID;
int options_size = 0;
@@ -377,28 +364,29 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
unsigned long ramdisk_addr;
unsigned long ramdisk_size;
- sys_table = sys_table_arg;
+ efi_system_table = sys_table_arg;
/* Check if we were booted by the EFI firmware */
- if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
+ if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
efi_exit(handle, EFI_INVALID_PARAMETER);
status = efi_bs_call(handle_protocol, handle, &proto, (void **)&image);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to get handle for LOADED_IMAGE_PROTOCOL\n");
+ efi_err("Failed to get handle for LOADED_IMAGE_PROTOCOL\n");
efi_exit(handle, status);
}
image_base = efi_table_attr(image, image_base);
image_offset = (void *)startup_32 - image_base;
- status = efi_allocate_pages(0x4000, (unsigned long *)&boot_params, ULONG_MAX);
+ status = efi_allocate_pages(sizeof(struct boot_params),
+ (unsigned long *)&boot_params, ULONG_MAX);
if (status != EFI_SUCCESS) {
- efi_printk("Failed to allocate lowmem for boot params\n");
+ efi_err("Failed to allocate lowmem for boot params\n");
efi_exit(handle, status);
}
- memset(boot_params, 0x0, 0x4000);
+ memset(boot_params, 0x0, sizeof(struct boot_params));
hdr = &boot_params->hdr;
@@ -416,43 +404,21 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
hdr->type_of_loader = 0x21;
/* Convert unicode cmdline to ascii */
- cmdline_ptr = efi_convert_cmdline(image, &options_size, ULONG_MAX);
+ cmdline_ptr = efi_convert_cmdline(image, &options_size);
if (!cmdline_ptr)
goto fail;
- hdr->cmd_line_ptr = (unsigned long)cmdline_ptr;
- /* Fill in upper bits of command line address, NOP on 32 bit */
- boot_params->ext_cmd_line_ptr = (u64)(unsigned long)cmdline_ptr >> 32;
+ efi_set_u64_split((unsigned long)cmdline_ptr,
+ &hdr->cmd_line_ptr, &boot_params->ext_cmd_line_ptr);
hdr->ramdisk_image = 0;
hdr->ramdisk_size = 0;
- if (efi_is_native()) {
- status = efi_parse_options(cmdline_ptr);
- if (status != EFI_SUCCESS)
- goto fail2;
-
- if (!noinitrd()) {
- status = efi_load_initrd(image, &ramdisk_addr,
- &ramdisk_size,
- hdr->initrd_addr_max,
- ULONG_MAX);
- if (status != EFI_SUCCESS)
- goto fail2;
- hdr->ramdisk_image = ramdisk_addr & 0xffffffff;
- hdr->ramdisk_size = ramdisk_size & 0xffffffff;
- boot_params->ext_ramdisk_image = (u64)ramdisk_addr >> 32;
- boot_params->ext_ramdisk_size = (u64)ramdisk_size >> 32;
- }
- }
-
- efi_stub_entry(handle, sys_table, boot_params);
+ efi_stub_entry(handle, sys_table_arg, boot_params);
/* not reached */
-fail2:
- efi_free(options_size, (unsigned long)cmdline_ptr);
fail:
- efi_free(0x4000, (unsigned long)boot_params);
+ efi_free(sizeof(struct boot_params), (unsigned long)boot_params);
efi_exit(handle, status);
}
@@ -606,24 +572,18 @@ static efi_status_t allocate_e820(struct boot_params *params,
struct setup_data **e820ext,
u32 *e820ext_size)
{
- unsigned long map_size, desc_size, buff_size;
- struct efi_boot_memmap boot_map;
- efi_memory_desc_t *map;
+ unsigned long map_size, desc_size, map_key;
efi_status_t status;
- __u32 nr_desc;
+ __u32 nr_desc, desc_version;
- boot_map.map = &map;
- boot_map.map_size = &map_size;
- boot_map.desc_size = &desc_size;
- boot_map.desc_ver = NULL;
- boot_map.key_ptr = NULL;
- boot_map.buff_size = &buff_size;
+ /* Only need the size of the mem map and size of each mem descriptor */
+ map_size = 0;
+ status = efi_bs_call(get_memory_map, &map_size, NULL, &map_key,
+ &desc_size, &desc_version);
+ if (status != EFI_BUFFER_TOO_SMALL)
+ return (status != EFI_SUCCESS) ? status : EFI_UNSUPPORTED;
- status = efi_get_memory_map(&boot_map);
- if (status != EFI_SUCCESS)
- return status;
-
- nr_desc = buff_size / desc_size;
+ nr_desc = map_size / desc_size + EFI_MMAP_NR_SLACK_SLOTS;
if (nr_desc > ARRAY_SIZE(params->e820_table)) {
u32 nr_e820ext = nr_desc - ARRAY_SIZE(params->e820_table);
@@ -651,17 +611,14 @@ static efi_status_t exit_boot_func(struct efi_boot_memmap *map,
: EFI32_LOADER_SIGNATURE;
memcpy(&p->efi->efi_loader_signature, signature, sizeof(__u32));
- p->efi->efi_systab = (unsigned long)efi_system_table();
+ efi_set_u64_split((unsigned long)efi_system_table,
+ &p->efi->efi_systab, &p->efi->efi_systab_hi);
p->efi->efi_memdesc_size = *map->desc_size;
p->efi->efi_memdesc_version = *map->desc_ver;
- p->efi->efi_memmap = (unsigned long)*map->map;
+ efi_set_u64_split((unsigned long)*map->map,
+ &p->efi->efi_memmap, &p->efi->efi_memmap_hi);
p->efi->efi_memmap_size = *map->map_size;
-#ifdef CONFIG_X86_64
- p->efi->efi_systab_hi = (unsigned long)efi_system_table() >> 32;
- p->efi->efi_memmap_hi = (unsigned long)*map->map >> 32;
-#endif
-
return EFI_SUCCESS;
}
@@ -717,12 +674,11 @@ unsigned long efi_main(efi_handle_t handle,
unsigned long buffer_start, buffer_end;
struct setup_header *hdr = &boot_params->hdr;
efi_status_t status;
- unsigned long cmdline_paddr;
- sys_table = sys_table_arg;
+ efi_system_table = sys_table_arg;
/* Check if we were booted by the EFI firmware */
- if (sys_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
+ if (efi_system_table->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
efi_exit(handle, EFI_INVALID_PARAMETER);
/*
@@ -765,7 +721,7 @@ unsigned long efi_main(efi_handle_t handle,
hdr->kernel_alignment,
LOAD_PHYSICAL_ADDR);
if (status != EFI_SUCCESS) {
- efi_printk("efi_relocate_kernel() failed!\n");
+ efi_err("efi_relocate_kernel() failed!\n");
goto fail;
}
/*
@@ -776,35 +732,48 @@ unsigned long efi_main(efi_handle_t handle,
image_offset = 0;
}
- /*
- * efi_pe_entry() may have been called before efi_main(), in which
- * case this is the second time we parse the cmdline. This is ok,
- * parsing the cmdline multiple times does not have side-effects.
- */
- cmdline_paddr = ((u64)hdr->cmd_line_ptr |
- ((u64)boot_params->ext_cmd_line_ptr << 32));
- efi_parse_options((char *)cmdline_paddr);
+#ifdef CONFIG_CMDLINE_BOOL
+ status = efi_parse_options(CONFIG_CMDLINE);
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to parse options\n");
+ goto fail;
+ }
+#endif
+ if (!IS_ENABLED(CONFIG_CMDLINE_OVERRIDE)) {
+ unsigned long cmdline_paddr = ((u64)hdr->cmd_line_ptr |
+ ((u64)boot_params->ext_cmd_line_ptr << 32));
+ status = efi_parse_options((char *)cmdline_paddr);
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to parse options\n");
+ goto fail;
+ }
+ }
/*
- * At this point, an initrd may already have been loaded, either by
- * the bootloader and passed via bootparams, or loaded from a initrd=
- * command line option by efi_pe_entry() above. In either case, we
- * permit an initrd loaded from the LINUX_EFI_INITRD_MEDIA_GUID device
- * path to supersede it.
+ * At this point, an initrd may already have been loaded by the
+ * bootloader and passed via bootparams. We permit an initrd loaded
+ * from the LINUX_EFI_INITRD_MEDIA_GUID device path to supersede it.
+ *
+ * If the device path is not present, any command-line initrd=
+ * arguments will be processed only if image is not NULL, which will be
+ * the case only if we were loaded via the PE entry point.
*/
- if (!noinitrd()) {
+ if (!efi_noinitrd) {
unsigned long addr, size;
- status = efi_load_initrd_dev_path(&addr, &size, ULONG_MAX);
- if (status == EFI_SUCCESS) {
- hdr->ramdisk_image = (u32)addr;
- hdr->ramdisk_size = (u32)size;
- boot_params->ext_ramdisk_image = (u64)addr >> 32;
- boot_params->ext_ramdisk_size = (u64)size >> 32;
- } else if (status != EFI_NOT_FOUND) {
- efi_printk("efi_load_initrd_dev_path() failed!\n");
+ status = efi_load_initrd(image, &addr, &size,
+ hdr->initrd_addr_max, ULONG_MAX);
+
+ if (status != EFI_SUCCESS) {
+ efi_err("Failed to load initrd!\n");
goto fail;
}
+ if (size > 0) {
+ efi_set_u64_split(addr, &hdr->ramdisk_image,
+ &boot_params->ext_ramdisk_image);
+ efi_set_u64_split(size, &hdr->ramdisk_size,
+ &boot_params->ext_ramdisk_size);
+ }
}
/*
@@ -829,13 +798,13 @@ unsigned long efi_main(efi_handle_t handle,
status = exit_boot(boot_params, handle);
if (status != EFI_SUCCESS) {
- efi_printk("exit_boot() failed!\n");
+ efi_err("exit_boot() failed!\n");
goto fail;
}
return bzimage_addr;
fail:
- efi_printk("efi_main() failed!\n");
+ efi_err("efi_main() failed!\n");
efi_exit(handle, status);
}
diff --git a/drivers/firmware/efi/test/efi_test.c b/drivers/firmware/efi/test/efi_test.c
index 7baf48c01e72..ddf9eae396fe 100644
--- a/drivers/firmware/efi/test/efi_test.c
+++ b/drivers/firmware/efi/test/efi_test.c
@@ -70,9 +70,6 @@ copy_ucs2_from_user_len(efi_char16_t **dst, efi_char16_t __user *src,
return 0;
}
- if (!access_ok(src, 1))
- return -EFAULT;
-
buf = memdup_user(src, len);
if (IS_ERR(buf)) {
*dst = NULL;
@@ -91,9 +88,6 @@ copy_ucs2_from_user_len(efi_char16_t **dst, efi_char16_t __user *src,
static inline int
get_ucs2_strsize_from_user(efi_char16_t __user *src, size_t *len)
{
- if (!access_ok(src, 1))
- return -EFAULT;
-
*len = user_ucs2_strsize(src);
if (*len == 0)
return -EFAULT;
@@ -118,9 +112,6 @@ copy_ucs2_from_user(efi_char16_t **dst, efi_char16_t __user *src)
{
size_t len;
- if (!access_ok(src, 1))
- return -EFAULT;
-
len = user_ucs2_strsize(src);
if (len == 0)
return -EFAULT;
@@ -142,9 +133,6 @@ copy_ucs2_to_user_len(efi_char16_t __user *dst, efi_char16_t *src, size_t len)
if (!src)
return 0;
- if (!access_ok(dst, 1))
- return -EFAULT;
-
return copy_to_user(dst, src, len);
}
diff --git a/drivers/firmware/efi/tpm.c b/drivers/firmware/efi/tpm.c
index 31f9f0e369b9..c1955d320fec 100644
--- a/drivers/firmware/efi/tpm.c
+++ b/drivers/firmware/efi/tpm.c
@@ -16,7 +16,7 @@
int efi_tpm_final_log_size;
EXPORT_SYMBOL(efi_tpm_final_log_size);
-static int tpm2_calc_event_log_size(void *data, int count, void *size_info)
+static int __init tpm2_calc_event_log_size(void *data, int count, void *size_info)
{
struct tcg_pcr_event2_head *header;
int event_size, size = 0;
@@ -62,8 +62,11 @@ int __init efi_tpm_eventlog_init(void)
tbl_size = sizeof(*log_tbl) + log_tbl->size;
memblock_reserve(efi.tpm_log, tbl_size);
- if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR)
+ if (efi.tpm_final_log == EFI_INVALID_TABLE_ADDR ||
+ log_tbl->version != EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) {
+ pr_warn(FW_BUG "TPM Final Events table missing or invalid\n");
goto out;
+ }
final_tbl = early_memremap(efi.tpm_final_log, sizeof(*final_tbl));
diff --git a/drivers/firmware/imx/Kconfig b/drivers/firmware/imx/Kconfig
index 116707a075f3..1d2e5b85d7ca 100644
--- a/drivers/firmware/imx/Kconfig
+++ b/drivers/firmware/imx/Kconfig
@@ -12,7 +12,7 @@ config IMX_DSP
config IMX_SCU
bool "IMX SCU Protocol driver"
- depends on IMX_MBOX || COMPILE_TEST
+ depends on IMX_MBOX
help
The System Controller Firmware (SCFW) is a low-level system function
which runs on a dedicated Cortex-M core to provide power, clock, and
@@ -24,6 +24,6 @@ config IMX_SCU
config IMX_SCU_PD
bool "IMX SCU Power Domain driver"
- depends on IMX_SCU || COMPILE_TEST
+ depends on IMX_SCU
help
The System Controller Firmware (SCFW) based power domain driver.
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index 2937d44b5df4..92013ecc2d9e 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -46,25 +46,14 @@
* require cooperation with a Trusted OS driver.
*/
static int resident_cpu = -1;
+struct psci_operations psci_ops;
+static enum arm_smccc_conduit psci_conduit = SMCCC_CONDUIT_NONE;
bool psci_tos_resident_on(int cpu)
{
return cpu == resident_cpu;
}
-struct psci_operations psci_ops = {
- .conduit = SMCCC_CONDUIT_NONE,
- .smccc_version = SMCCC_VERSION_1_0,
-};
-
-enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
-{
- if (psci_ops.smccc_version < SMCCC_VERSION_1_1)
- return SMCCC_CONDUIT_NONE;
-
- return psci_ops.conduit;
-}
-
typedef unsigned long (psci_fn)(unsigned long, unsigned long,
unsigned long, unsigned long);
static psci_fn *invoke_psci_fn;
@@ -242,7 +231,7 @@ static void set_conduit(enum arm_smccc_conduit conduit)
WARN(1, "Unexpected PSCI conduit %d\n", conduit);
}
- psci_ops.conduit = conduit;
+ psci_conduit = conduit;
}
static int get_set_conduit_method(struct device_node *np)
@@ -411,8 +400,8 @@ static void __init psci_init_smccc(void)
if (feature != PSCI_RET_NOT_SUPPORTED) {
u32 ret;
ret = invoke_psci_fn(ARM_SMCCC_VERSION_FUNC_ID, 0, 0, 0);
- if (ret == ARM_SMCCC_VERSION_1_1) {
- psci_ops.smccc_version = SMCCC_VERSION_1_1;
+ if (ret >= ARM_SMCCC_VERSION_1_1) {
+ arm_smccc_version_init(ret, psci_conduit);
ver = ret;
}
}
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index da26a584dca0..a3e85186f8e6 100644
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -182,16 +182,10 @@ rpi_firmware_print_firmware_revision(struct rpi_firmware *fw)
RPI_FIRMWARE_GET_FIRMWARE_REVISION,
&packet, sizeof(packet));
- if (ret == 0) {
- struct tm tm;
-
- time64_to_tm(packet, 0, &tm);
+ if (ret)
+ return;
- dev_info(fw->cl.dev,
- "Attached to firmware from %04ld-%02d-%02d %02d:%02d\n",
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
- tm.tm_hour, tm.tm_min);
- }
+ dev_info(fw->cl.dev, "Attached to firmware from %ptT\n", &packet);
}
static void
diff --git a/drivers/firmware/smccc/Kconfig b/drivers/firmware/smccc/Kconfig
new file mode 100644
index 000000000000..27b675d76235
--- /dev/null
+++ b/drivers/firmware/smccc/Kconfig
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config HAVE_ARM_SMCCC
+ bool
+ help
+ Include support for the Secure Monitor Call (SMC) and Hypervisor
+ Call (HVC) instructions on Armv7 and above architectures.
+
+config HAVE_ARM_SMCCC_DISCOVERY
+ bool
+ depends on ARM_PSCI_FW
+ default y
+ help
+ SMCCC v1.0 lacked discoverability and hence PSCI v1.0 was updated
+ to add SMCCC discovery mechanism though the PSCI firmware
+ implementation of PSCI_FEATURES(SMCCC_VERSION) which returns
+ success on firmware compliant to SMCCC v1.1 and above.
diff --git a/drivers/firmware/smccc/Makefile b/drivers/firmware/smccc/Makefile
new file mode 100644
index 000000000000..6f369fe3f0b9
--- /dev/null
+++ b/drivers/firmware/smccc/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+obj-$(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) += smccc.o
diff --git a/drivers/firmware/smccc/smccc.c b/drivers/firmware/smccc/smccc.c
new file mode 100644
index 000000000000..4e80921ee212
--- /dev/null
+++ b/drivers/firmware/smccc/smccc.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Arm Limited
+ */
+
+#define pr_fmt(fmt) "smccc: " fmt
+
+#include <linux/init.h>
+#include <linux/arm-smccc.h>
+
+static u32 smccc_version = ARM_SMCCC_VERSION_1_0;
+static enum arm_smccc_conduit smccc_conduit = SMCCC_CONDUIT_NONE;
+
+void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit)
+{
+ smccc_version = version;
+ smccc_conduit = conduit;
+}
+
+enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void)
+{
+ if (smccc_version < ARM_SMCCC_VERSION_1_1)
+ return SMCCC_CONDUIT_NONE;
+
+ return smccc_conduit;
+}
+
+u32 arm_smccc_get_version(void)
+{
+ return smccc_version;
+}
diff --git a/drivers/firmware/xilinx/zynqmp-debug.c b/drivers/firmware/xilinx/zynqmp-debug.c
index c6d0724da4db..43bc6cfdab45 100644
--- a/drivers/firmware/xilinx/zynqmp-debug.c
+++ b/drivers/firmware/xilinx/zynqmp-debug.c
@@ -35,7 +35,7 @@ static struct pm_api_info pm_api_list[] = {
PM_API(PM_QUERY_DATA),
};
-struct dentry *firmware_debugfs_root;
+static struct dentry *firmware_debugfs_root;
/**
* zynqmp_pm_argument_value() - Extract argument value from a PM-API request
diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl-afu-dma-region.c
index 62f924489db5..d902acb36d14 100644
--- a/drivers/fpga/dfl-afu-dma-region.c
+++ b/drivers/fpga/dfl-afu-dma-region.c
@@ -324,10 +324,6 @@ int afu_dma_map_region(struct dfl_feature_platform_data *pdata,
if (user_addr + length < user_addr)
return -EINVAL;
- if (!access_ok((void __user *)(unsigned long)user_addr,
- length))
- return -EINVAL;
-
region = kzalloc(sizeof(*region), GFP_KERNEL);
if (!region)
return -ENOMEM;
diff --git a/drivers/fpga/dfl-fme-pr.c b/drivers/fpga/dfl-fme-pr.c
index a233a53db708..1194c0e850e0 100644
--- a/drivers/fpga/dfl-fme-pr.c
+++ b/drivers/fpga/dfl-fme-pr.c
@@ -97,10 +97,6 @@ static int fme_pr(struct platform_device *pdev, unsigned long arg)
return -EINVAL;
}
- if (!access_ok((void __user *)(unsigned long)port_pr.buffer_address,
- port_pr.buffer_size))
- return -EFAULT;
-
/*
* align PR buffer per PR bandwidth, as HW ignores the extra padding
* data automatically.
diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c
index 89ca292236ad..538755062ab7 100644
--- a/drivers/fpga/dfl-pci.c
+++ b/drivers/fpga/dfl-pci.c
@@ -248,11 +248,13 @@ static int cci_pci_sriov_configure(struct pci_dev *pcidev, int num_vfs)
return ret;
ret = pci_enable_sriov(pcidev, num_vfs);
- if (ret)
+ if (ret) {
dfl_fpga_cdev_config_ports_pf(cdev);
+ return ret;
+ }
}
- return ret;
+ return num_vfs;
}
static void cci_pci_remove(struct pci_dev *pcidev)
diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
index ee7765049607..07fa8d9ec675 100644
--- a/drivers/fpga/zynq-fpga.c
+++ b/drivers/fpga/zynq-fpga.c
@@ -583,7 +583,8 @@ static int zynq_fpga_probe(struct platform_device *pdev)
priv->clk = devm_clk_get(dev, "ref_clk");
if (IS_ERR(priv->clk)) {
- dev_err(dev, "input clock not found\n");
+ if (PTR_ERR(priv->clk) != -EPROBE_DEFER)
+ dev_err(dev, "input clock not found\n");
return PTR_ERR(priv->clk);
}
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index baee8c3f06ad..cf3687a7925f 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -625,7 +625,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
kona_gpio->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(kona_gpio->reg_base)) {
- ret = -ENXIO;
+ ret = PTR_ERR(kona_gpio->reg_base);
goto err_irq_domain;
}
diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index da1ef0b1c291..b1accfba017d 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -148,8 +148,10 @@ static int gpio_exar_probe(struct platform_device *pdev)
mutex_init(&exar_gpio->lock);
index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL);
- if (index < 0)
- goto err_destroy;
+ if (index < 0) {
+ ret = index;
+ goto err_mutex_destroy;
+ }
sprintf(exar_gpio->name, "exar_gpio%d", index);
exar_gpio->gpio_chip.label = exar_gpio->name;
@@ -176,6 +178,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
err_destroy:
ida_simple_remove(&ida_index, index);
+err_mutex_destroy:
mutex_destroy(&exar_gpio->lock);
return ret;
}
diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c
index 7b7085050219..da570e63589d 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -127,8 +127,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
{
u32 arm_gpio_lock_val;
- spin_lock(&gs->gc.bgpio_lock);
mutex_lock(yu_arm_gpio_lock_param.lock);
+ spin_lock(&gs->gc.bgpio_lock);
arm_gpio_lock_val = readl(yu_arm_gpio_lock_param.io);
@@ -136,8 +136,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
* When lock active bit[31] is set, ModeX is write enabled
*/
if (YU_LOCK_ACTIVE_BIT(arm_gpio_lock_val)) {
- mutex_unlock(yu_arm_gpio_lock_param.lock);
spin_unlock(&gs->gc.bgpio_lock);
+ mutex_unlock(yu_arm_gpio_lock_param.lock);
return -EINVAL;
}
@@ -152,8 +152,8 @@ static int mlxbf2_gpio_lock_acquire(struct mlxbf2_gpio_context *gs)
static void mlxbf2_gpio_lock_release(struct mlxbf2_gpio_context *gs)
{
writel(YU_ARM_GPIO_LOCK_RELEASE, yu_arm_gpio_lock_param.io);
- mutex_unlock(yu_arm_gpio_lock_param.lock);
spin_unlock(&gs->gc.bgpio_lock);
+ mutex_unlock(yu_arm_gpio_lock_param.lock);
}
/*
diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 3eb94f3740d1..bc345185db26 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irq_sim.h>
+#include <linux/irqdomain.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/property.h>
@@ -48,7 +49,7 @@ struct gpio_mockup_line_status {
struct gpio_mockup_chip {
struct gpio_chip gc;
struct gpio_mockup_line_status *lines;
- struct irq_sim irqsim;
+ struct irq_domain *irq_sim_domain;
struct dentry *dbg_dir;
struct mutex lock;
};
@@ -144,14 +145,12 @@ static void gpio_mockup_set_multiple(struct gpio_chip *gc,
static int gpio_mockup_apply_pull(struct gpio_mockup_chip *chip,
unsigned int offset, int value)
{
+ int curr, irq, irq_type, ret = 0;
struct gpio_desc *desc;
struct gpio_chip *gc;
- struct irq_sim *sim;
- int curr, irq, irq_type;
gc = &chip->gc;
desc = &gc->gpiodev->descs[offset];
- sim = &chip->irqsim;
mutex_lock(&chip->lock);
@@ -161,14 +160,28 @@ static int gpio_mockup_apply_pull(struct gpio_mockup_chip *chip,
if (curr == value)
goto out;
- irq = irq_sim_irqnum(sim, offset);
+ irq = irq_find_mapping(chip->irq_sim_domain, offset);
+ if (!irq)
+ /*
+ * This is fine - it just means, nobody is listening
+ * for interrupts on this line, otherwise
+ * irq_create_mapping() would have been called from
+ * the to_irq() callback.
+ */
+ goto set_value;
+
irq_type = irq_get_trigger_type(irq);
if ((value == 1 && (irq_type & IRQ_TYPE_EDGE_RISING)) ||
- (value == 0 && (irq_type & IRQ_TYPE_EDGE_FALLING)))
- irq_sim_fire(sim, offset);
+ (value == 0 && (irq_type & IRQ_TYPE_EDGE_FALLING))) {
+ ret = irq_set_irqchip_state(irq, IRQCHIP_STATE_PENDING,
+ true);
+ if (ret)
+ goto out;
+ }
}
+set_value:
/* Change the value unless we're actively driving the line. */
if (!test_bit(FLAG_REQUESTED, &desc->flags) ||
!test_bit(FLAG_IS_OUT, &desc->flags))
@@ -177,7 +190,7 @@ static int gpio_mockup_apply_pull(struct gpio_mockup_chip *chip,
out:
chip->lines[offset].pull = value;
mutex_unlock(&chip->lock);
- return 0;
+ return ret;
}
static int gpio_mockup_set_config(struct gpio_chip *gc,
@@ -236,7 +249,7 @@ static int gpio_mockup_to_irq(struct gpio_chip *gc, unsigned int offset)
{
struct gpio_mockup_chip *chip = gpiochip_get_data(gc);
- return irq_sim_irqnum(&chip->irqsim, offset);
+ return irq_create_mapping(chip->irq_sim_domain, offset);
}
static void gpio_mockup_free(struct gpio_chip *gc, unsigned int offset)
@@ -389,6 +402,19 @@ static int gpio_mockup_name_lines(struct device *dev,
return 0;
}
+static void gpio_mockup_dispose_mappings(void *data)
+{
+ struct gpio_mockup_chip *chip = data;
+ struct gpio_chip *gc = &chip->gc;
+ int i, irq;
+
+ for (i = 0; i < gc->ngpio; i++) {
+ irq = irq_find_mapping(chip->irq_sim_domain, i);
+ if (irq)
+ irq_dispose_mapping(irq);
+ }
+}
+
static int gpio_mockup_probe(struct platform_device *pdev)
{
struct gpio_mockup_chip *chip;
@@ -456,8 +482,13 @@ static int gpio_mockup_probe(struct platform_device *pdev)
return rv;
}
- rv = devm_irq_sim_init(dev, &chip->irqsim, gc->ngpio);
- if (rv < 0)
+ chip->irq_sim_domain = devm_irq_domain_create_sim(dev, NULL,
+ gc->ngpio);
+ if (IS_ERR(chip->irq_sim_domain))
+ return PTR_ERR(chip->irq_sim_domain);
+
+ rv = devm_add_action_or_reset(dev, gpio_mockup_dispose_mappings, chip);
+ if (rv)
return rv;
rv = devm_gpiochip_add_data(dev, &chip->gc, chip);
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 3c9f4fb3d5a2..bd65114eb170 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -782,6 +782,15 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
"marvell,armada-370-gpio"))
return 0;
+ /*
+ * There are only two sets of PWM configuration registers for
+ * all the GPIO lines on those SoCs which this driver reserves
+ * for the first two GPIO chips. So if the resource is missing
+ * we can't treat it as an error.
+ */
+ if (!platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwm"))
+ return 0;
+
if (IS_ERR(mvchip->clk))
return PTR_ERR(mvchip->clk);
@@ -804,12 +813,6 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
mvchip->mvpwm = mvpwm;
mvpwm->mvchip = mvchip;
- /*
- * There are only two sets of PWM configuration registers for
- * all the GPIO lines on those SoCs which this driver reserves
- * for the first two GPIO chips. So if the resource is missing
- * we can't treat it as an error.
- */
mvpwm->membase = devm_platform_ioremap_resource_byname(pdev, "pwm");
if (IS_ERR(mvpwm->membase))
return PTR_ERR(mvpwm->membase);
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 5638b4e5355f..4269ea9a817e 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -531,7 +531,7 @@ static int pca953x_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
{
struct pca953x_chip *chip = gpiochip_get_data(gc);
- switch (config) {
+ switch (pinconf_to_config_param(config)) {
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
return pca953x_gpio_set_pull_up_down(chip, offset, config);
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index 1361270ecf8c..0cb6600b8eee 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -660,8 +660,8 @@ static int pxa_gpio_probe(struct platform_device *pdev)
pchip->irq1 = irq1;
gpio_reg_base = devm_platform_ioremap_resource(pdev, 0);
- if (!gpio_reg_base)
- return -EINVAL;
+ if (IS_ERR(gpio_reg_base))
+ return PTR_ERR(gpio_reg_base);
clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(clk)) {
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index acb99eff9939..86568154cdb3 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -368,6 +368,7 @@ static void tegra_gpio_irq_shutdown(struct irq_data *d)
struct tegra_gpio_info *tgi = bank->tgi;
unsigned int gpio = d->hwirq;
+ tegra_gpio_irq_mask(d);
gpiochip_unlock_as_irq(&tgi->gc, gpio);
}
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 40f2d7f69be2..c14f0784274a 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -729,6 +729,10 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
if (ret)
goto out_free_descs;
}
+
+ atomic_notifier_call_chain(&desc->gdev->notifier,
+ GPIOLINE_CHANGED_REQUESTED, desc);
+
dev_dbg(&gdev->dev, "registered chardev handle for line %d\n",
offset);
}
@@ -1083,6 +1087,9 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
if (ret)
goto out_free_desc;
+ atomic_notifier_call_chain(&desc->gdev->notifier,
+ GPIOLINE_CHANGED_REQUESTED, desc);
+
le->irq = gpiod_to_irq(desc);
if (le->irq <= 0) {
ret = -ENODEV;
@@ -1158,8 +1165,19 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc,
struct gpioline_info *info)
{
struct gpio_chip *gc = desc->gdev->chip;
+ bool ok_for_pinctrl;
unsigned long flags;
+ /*
+ * This function takes a mutex so we must check this before taking
+ * the spinlock.
+ *
+ * FIXME: find a non-racy way to retrieve this information. Maybe a
+ * lock common to both frameworks?
+ */
+ ok_for_pinctrl =
+ pinctrl_gpio_can_use_line(gc->base + info->line_offset);
+
spin_lock_irqsave(&gpio_lock, flags);
if (desc->name) {
@@ -1186,7 +1204,7 @@ static void gpio_desc_to_lineinfo(struct gpio_desc *desc,
test_bit(FLAG_USED_AS_IRQ, &desc->flags) ||
test_bit(FLAG_EXPORT, &desc->flags) ||
test_bit(FLAG_SYSFS, &desc->flags) ||
- !pinctrl_gpio_can_use_line(gc->base + info->line_offset))
+ !ok_for_pinctrl)
info->flags |= GPIOLINE_FLAG_KERNEL;
if (test_bit(FLAG_IS_OUT, &desc->flags))
info->flags |= GPIOLINE_FLAG_IS_OUT;
@@ -1227,6 +1245,7 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
void __user *ip = (void __user *)arg;
struct gpio_desc *desc;
__u32 offset;
+ int hwgpio;
/* We fail any subsequent ioctl():s when the chip is gone */
if (!gc)
@@ -1259,13 +1278,19 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (IS_ERR(desc))
return PTR_ERR(desc);
+ hwgpio = gpio_chip_hwgpio(desc);
+
+ if (cmd == GPIO_GET_LINEINFO_WATCH_IOCTL &&
+ test_bit(hwgpio, priv->watched_lines))
+ return -EBUSY;
+
gpio_desc_to_lineinfo(desc, &lineinfo);
if (copy_to_user(ip, &lineinfo, sizeof(lineinfo)))
return -EFAULT;
if (cmd == GPIO_GET_LINEINFO_WATCH_IOCTL)
- set_bit(gpio_chip_hwgpio(desc), priv->watched_lines);
+ set_bit(hwgpio, priv->watched_lines);
return 0;
} else if (cmd == GPIO_GET_LINEHANDLE_IOCTL) {
@@ -1280,7 +1305,12 @@ static long gpio_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (IS_ERR(desc))
return PTR_ERR(desc);
- clear_bit(gpio_chip_hwgpio(desc), priv->watched_lines);
+ hwgpio = gpio_chip_hwgpio(desc);
+
+ if (!test_bit(hwgpio, priv->watched_lines))
+ return -EBUSY;
+
+ clear_bit(hwgpio, priv->watched_lines);
return 0;
}
return -EINVAL;
@@ -2975,8 +3005,6 @@ static int gpiod_request_commit(struct gpio_desc *desc, const char *label)
}
done:
spin_unlock_irqrestore(&gpio_lock, flags);
- atomic_notifier_call_chain(&desc->gdev->notifier,
- GPIOLINE_CHANGED_REQUESTED, desc);
return ret;
}
@@ -4192,7 +4220,9 @@ int gpiochip_lock_as_irq(struct gpio_chip *gc, unsigned int offset)
}
}
- if (test_bit(FLAG_IS_OUT, &desc->flags)) {
+ /* To be valid for IRQ the line needs to be input or open drain */
+ if (test_bit(FLAG_IS_OUT, &desc->flags) &&
+ !test_bit(FLAG_OPEN_DRAIN, &desc->flags)) {
chip_err(gc,
"%s: tried to flag a GPIO set as output for IRQ\n",
__func__);
@@ -4255,7 +4285,12 @@ void gpiochip_enable_irq(struct gpio_chip *gc, unsigned int offset)
if (!IS_ERR(desc) &&
!WARN_ON(!test_bit(FLAG_USED_AS_IRQ, &desc->flags))) {
- WARN_ON(test_bit(FLAG_IS_OUT, &desc->flags));
+ /*
+ * We must not be output when using IRQ UNLESS we are
+ * open drain.
+ */
+ WARN_ON(test_bit(FLAG_IS_OUT, &desc->flags) &&
+ !test_bit(FLAG_OPEN_DRAIN, &desc->flags));
set_bit(FLAG_IRQ_IS_ENABLED, &desc->flags);
}
}
@@ -4938,6 +4973,9 @@ struct gpio_desc *__must_check gpiod_get_index(struct device *dev,
return ERR_PTR(ret);
}
+ atomic_notifier_call_chain(&desc->gdev->notifier,
+ GPIOLINE_CHANGED_REQUESTED, desc);
+
return desc;
}
EXPORT_SYMBOL_GPL(gpiod_get_index);
@@ -5003,6 +5041,9 @@ struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode,
return ERR_PTR(ret);
}
+ atomic_notifier_call_chain(&desc->gdev->notifier,
+ GPIOLINE_CHANGED_REQUESTED, desc);
+
return desc;
}
EXPORT_SYMBOL_GPL(fwnode_get_named_gpiod);
@@ -5289,8 +5330,9 @@ static int __init gpiolib_dev_init(void)
gpiolib_initialized = true;
gpiochip_setup_devs();
- if (IS_ENABLED(CONFIG_OF_DYNAMIC))
- WARN_ON(of_reconfig_notifier_register(&gpio_of_notifier));
+#if IS_ENABLED(CONFIG_OF_DYNAMIC) && IS_ENABLED(CONFIG_OF_GPIO)
+ WARN_ON(of_reconfig_notifier_register(&gpio_of_notifier));
+#endif /* CONFIG_OF_DYNAMIC && CONFIG_OF_GPIO */
return ret;
}
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 43594978958e..c4fd57d8b717 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -161,7 +161,7 @@ config DRM_LOAD_EDID_FIRMWARE
monitor are unable to provide appropriate EDID data. Since this
feature is provided as a workaround for broken hardware, the
default case is N. Details and instructions how to build your own
- EDID data are given in Documentation/driver-api/edid.rst.
+ EDID data are given in Documentation/admin-guide/edid.rst.
config DRM_DP_CEC
bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
@@ -310,8 +310,6 @@ source "drivers/gpu/drm/ast/Kconfig"
source "drivers/gpu/drm/mgag200/Kconfig"
-source "drivers/gpu/drm/cirrus/Kconfig"
-
source "drivers/gpu/drm/armada/Kconfig"
source "drivers/gpu/drm/atmel-hlcdc/Kconfig"
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 7f72ef5e7811..2c0e5a7e5953 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -17,7 +17,8 @@ drm-y := drm_auth.o drm_cache.o \
drm_plane.o drm_color_mgmt.o drm_print.o \
drm_dumb_buffers.o drm_mode_config.o drm_vblank.o \
drm_syncobj.o drm_lease.o drm_writeback.o drm_client.o \
- drm_client_modeset.o drm_atomic_uapi.o drm_hdcp.o
+ drm_client_modeset.o drm_atomic_uapi.o drm_hdcp.o \
+ drm_managed.o
drm-$(CONFIG_DRM_LEGACY) += drm_legacy_misc.o drm_bufs.o drm_context.o drm_dma.o drm_scatter.o drm_lock.o
drm-$(CONFIG_DRM_LIB_RANDOM) += lib/drm_random.o
@@ -32,8 +33,7 @@ drm-$(CONFIG_PCI) += drm_pci.o
drm-$(CONFIG_DEBUG_FS) += drm_debugfs.o drm_debugfs_crc.o
drm-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
-drm_vram_helper-y := drm_gem_vram_helper.o \
- drm_vram_helper_common.o
+drm_vram_helper-y := drm_gem_vram_helper.o
obj-$(CONFIG_DRM_VRAM_HELPER) += drm_vram_helper.o
drm_ttm_helper-y := drm_gem_ttm_helper.o
@@ -74,7 +74,6 @@ obj-$(CONFIG_DRM_I915) += i915/
obj-$(CONFIG_DRM_MGAG200) += mgag200/
obj-$(CONFIG_DRM_V3D) += v3d/
obj-$(CONFIG_DRM_VC4) += vc4/
-obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus/
obj-$(CONFIG_DRM_SIS) += sis/
obj-$(CONFIG_DRM_SAVAGE)+= savage/
obj-$(CONFIG_DRM_VMWGFX)+= vmwgfx/
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index c2bbcdd9c875..210d57a4afc8 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -55,7 +55,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \
amdgpu_vf_error.o amdgpu_sched.o amdgpu_debugfs.o amdgpu_ids.o \
amdgpu_gmc.o amdgpu_mmhub.o amdgpu_xgmi.o amdgpu_csa.o amdgpu_ras.o amdgpu_vm_cpu.o \
amdgpu_vm_sdma.o amdgpu_discovery.o amdgpu_ras_eeprom.o amdgpu_nbio.o \
- amdgpu_umc.o smu_v11_0_i2c.o
+ amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o
amdgpu-$(CONFIG_PERF_EVENTS) += amdgpu_pmu.o
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2992a49ad4a5..cd913986863e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -28,6 +28,18 @@
#ifndef __AMDGPU_H__
#define __AMDGPU_H__
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+
+#define pr_fmt(fmt) "amdgpu: " fmt
+
+#ifdef dev_fmt
+#undef dev_fmt
+#endif
+
+#define dev_fmt(fmt) "amdgpu: " fmt
+
#include "amdgpu_ctx.h"
#include <linux/atomic.h>
@@ -161,6 +173,7 @@ extern int amdgpu_gpu_recovery;
extern int amdgpu_emu_mode;
extern uint amdgpu_smu_memory_pool_size;
extern uint amdgpu_dc_feature_mask;
+extern uint amdgpu_dc_debug_mask;
extern uint amdgpu_dm_abm_level;
extern struct amdgpu_mgpu_info mgpu_info;
extern int amdgpu_ras_enable;
@@ -177,6 +190,8 @@ extern int sched_policy;
static const int sched_policy = KFD_SCHED_POLICY_HWS;
#endif
+extern int amdgpu_tmz;
+
#ifdef CONFIG_DRM_AMDGPU_SI
extern int amdgpu_si_support;
#endif
@@ -190,8 +205,6 @@ extern int amdgpu_cik_support;
#define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
#define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
-/* AMDGPU_IB_POOL_SIZE must be a power of 2 */
-#define AMDGPU_IB_POOL_SIZE 16
#define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
#define AMDGPUFB_CONN_LIMIT 4
#define AMDGPU_BIOS_NUM_SCRATCH 16
@@ -439,7 +452,9 @@ struct amdgpu_fpriv {
int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- unsigned size, struct amdgpu_ib *ib);
+ unsigned size,
+ enum amdgpu_ib_pool_type pool,
+ struct amdgpu_ib *ib);
void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
struct dma_fence *f);
int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
@@ -512,7 +527,7 @@ static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
/*
* Writeback
*/
-#define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */
+#define AMDGPU_MAX_WB 256 /* Reserve at most 256 WB slots for amdgpu-owned rings. */
struct amdgpu_wb {
struct amdgpu_bo *wb_obj;
@@ -724,6 +739,7 @@ struct amdgpu_device {
uint32_t rev_id;
uint32_t external_rev_id;
unsigned long flags;
+ unsigned long apu_flags;
int usec_timeout;
const struct amdgpu_asic_funcs *asic_funcs;
bool shutdown;
@@ -751,7 +767,6 @@ struct amdgpu_device {
uint8_t *bios;
uint32_t bios_size;
struct amdgpu_bo *stolen_vga_memory;
- struct amdgpu_bo *discovery_memory;
uint32_t bios_scratch_reg_offset;
uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
@@ -843,7 +858,8 @@ struct amdgpu_device {
unsigned num_rings;
struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
bool ib_pool_ready;
- struct amdgpu_sa_manager ring_tmp_bo;
+ struct amdgpu_sa_manager ib_pools[AMDGPU_IB_POOL_MAX];
+ struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
/* interrupts */
struct amdgpu_irq irq;
@@ -903,7 +919,9 @@ struct amdgpu_device {
struct amdgpu_display_manager dm;
/* discovery */
- uint8_t *discovery;
+ uint8_t *discovery_bin;
+ uint32_t discovery_tmr_size;
+ struct amdgpu_bo *discovery_memory;
/* mes */
bool enable_mes;
@@ -923,7 +941,7 @@ struct amdgpu_device {
atomic64_t gart_pin_size;
/* soc15 register offset based on ip, instance and segment */
- uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
+ uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
/* delayed work_func for deferring clockgating during resume */
struct delayed_work delayed_init_work;
@@ -935,9 +953,6 @@ struct amdgpu_device {
/* link all shadow bo */
struct list_head shadow_list;
struct mutex shadow_list_lock;
- /* keep an lru list of rings by HW IP */
- struct list_head ring_lru_list;
- spinlock_t ring_lru_list_lock;
/* record hw reset is performed */
bool has_hw_reset;
@@ -945,9 +960,8 @@ struct amdgpu_device {
/* s3/s4 mask */
bool in_suspend;
+ bool in_hibernate;
- /* record last mm index being written through WREG32*/
- unsigned long last_mm_index;
bool in_gpu_reset;
enum pp_mp1_state mp1_state;
struct mutex lock_reset;
@@ -966,14 +980,19 @@ struct amdgpu_device {
uint64_t unique_id;
uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
- /* device pstate */
- int pstate;
/* enable runtime pm on the device */
bool runpm;
bool in_runpm;
bool pm_sysfs_en;
bool ucode_sysfs_en;
+
+ /* Chip product information */
+ char product_number[16];
+ char product_name[32];
+ char serial[16];
+
+ struct amdgpu_autodump autodump;
};
static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
@@ -990,10 +1009,10 @@ int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
uint32_t *buf, size_t size, bool write);
-uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
+uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg,
+ uint32_t acc_flags);
+void amdgpu_device_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
uint32_t acc_flags);
-void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
- uint32_t acc_flags);
void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
uint32_t acc_flags);
void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
@@ -1010,25 +1029,20 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
/*
* Registers read & write functions.
*/
-
-#define AMDGPU_REGS_IDX (1<<0)
#define AMDGPU_REGS_NO_KIQ (1<<1)
-#define AMDGPU_REGS_KIQ (1<<2)
-#define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
-#define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
+#define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
+#define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
-#define RREG32_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_KIQ)
-#define WREG32_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_KIQ)
+#define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
+#define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
#define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
#define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
-#define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
-#define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
-#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
-#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
-#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
+#define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
+#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
+#define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
#define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
#define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
@@ -1065,7 +1079,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev);
tmp_ |= ((val) & ~(mask)); \
WREG32_PLL(reg, tmp_); \
} while (0)
-#define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
+#define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
#define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
#define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
@@ -1248,5 +1262,9 @@ _name##_show(struct device *dev, \
\
static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)
-#endif
+static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
+{
+ return adev->gmc.tmz_enabled;
+}
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 1e41367ef74e..956cbbda4793 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -444,7 +444,6 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
DRM_DEBUG_DRIVER("ATIF: %d pending SBIOS requests\n", count);
- /* todo: add DC handling */
if ((req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) &&
!amdgpu_device_has_dc_support(adev)) {
struct amdgpu_encoder *enc = atif->encoder_for_bl;
@@ -463,6 +462,27 @@ static int amdgpu_atif_handler(struct amdgpu_device *adev,
#endif
}
}
+#if defined(CONFIG_DRM_AMD_DC)
+#if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) || defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
+ if ((req.pending & ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST) &&
+ amdgpu_device_has_dc_support(adev)) {
+ struct amdgpu_display_manager *dm = &adev->dm;
+ struct backlight_device *bd = dm->backlight_dev;
+
+ if (bd) {
+ DRM_DEBUG_DRIVER("Changing brightness to %d\n",
+ req.backlight_level);
+
+ /*
+ * XXX backlight_device_set_brightness() is
+ * hardwired to post BACKLIGHT_UPDATE_SYSFS.
+ * It probably should accept 'reason' parameter.
+ */
+ backlight_device_set_brightness(bd, req.backlight_level);
+ }
+ }
+#endif
+#endif
if (req.pending & ATIF_DGPU_DISPLAY_EVENT) {
if (adev->flags & AMD_IS_PX) {
pm_runtime_get_sync(adev->ddev->dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
index abfbe89e805e..ad59ac4423b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -564,6 +564,13 @@ uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd)
return adev->gds.gws_size;
}
+uint32_t amdgpu_amdkfd_get_asic_rev_id(struct kgd_dev *kgd)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
+
+ return adev->rev_id;
+}
+
int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
uint32_t vmid, uint64_t gpu_addr,
uint32_t *ib_cmd, uint32_t ib_len)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index 13feb313e9b3..3f2b695cf19e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -65,6 +65,7 @@ struct kgd_mem {
struct amdgpu_sync sync;
bool aql_queue;
+ bool is_imported;
};
/* KFD Memory Eviction */
@@ -148,6 +149,9 @@ int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev);
void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd);
+int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
+ int queue_bit);
+
/* Shared API */
int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
@@ -175,6 +179,7 @@ uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd);
uint64_t amdgpu_amdkfd_get_unique_id(struct kgd_dev *kgd);
uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd);
uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd);
+uint32_t amdgpu_amdkfd_get_asic_rev_id(struct kgd_dev *kgd);
uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *src);
/* Read user wptr from a specified user address space with page fault
@@ -218,7 +223,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
void *vm, struct kgd_mem **mem,
uint64_t *offset, uint32_t flags);
int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
- struct kgd_dev *kgd, struct kgd_mem *mem);
+ struct kgd_dev *kgd, struct kgd_mem *mem, uint64_t *size);
int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
struct kgd_dev *kgd, struct kgd_mem *mem, void *vm);
int amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu(
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
index 4ec6d0c03201..691c89705bcd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c
@@ -543,6 +543,9 @@ static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
uint32_t temp;
struct v10_compute_mqd *m = get_mqd(mqd);
+ if (adev->in_gpu_reset)
+ return -EIO;
+
#if 0
unsigned long flags;
int retry;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 9dff792c9290..68e6e1bc8f3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -362,13 +362,13 @@ static int vm_validate_pt_pd_bos(struct amdgpu_vm *vm)
ret = amdgpu_vm_validate_pt_bos(adev, vm, amdgpu_amdkfd_validate,
&param);
if (ret) {
- pr_err("amdgpu: failed to validate PT BOs\n");
+ pr_err("failed to validate PT BOs\n");
return ret;
}
ret = amdgpu_amdkfd_validate(&param, pd);
if (ret) {
- pr_err("amdgpu: failed to validate PD\n");
+ pr_err("failed to validate PD\n");
return ret;
}
@@ -377,7 +377,7 @@ static int vm_validate_pt_pd_bos(struct amdgpu_vm *vm)
if (vm->use_cpu_for_update) {
ret = amdgpu_bo_kmap(pd, NULL);
if (ret) {
- pr_err("amdgpu: failed to kmap PD, ret=%d\n", ret);
+ pr_err("failed to kmap PD, ret=%d\n", ret);
return ret;
}
}
@@ -660,15 +660,15 @@ static int reserve_bo_and_vm(struct kgd_mem *mem,
ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
false, &ctx->duplicates);
- if (!ret)
- ctx->reserved = true;
- else {
- pr_err("Failed to reserve buffers in ttm\n");
+ if (ret) {
+ pr_err("Failed to reserve buffers in ttm.\n");
kfree(ctx->vm_pd);
ctx->vm_pd = NULL;
+ return ret;
}
- return ret;
+ ctx->reserved = true;
+ return 0;
}
/**
@@ -733,17 +733,15 @@ static int reserve_bo_and_cond_vms(struct kgd_mem *mem,
ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
false, &ctx->duplicates);
- if (!ret)
- ctx->reserved = true;
- else
- pr_err("Failed to reserve buffers in ttm.\n");
-
if (ret) {
+ pr_err("Failed to reserve buffers in ttm.\n");
kfree(ctx->vm_pd);
ctx->vm_pd = NULL;
+ return ret;
}
- return ret;
+ ctx->reserved = true;
+ return 0;
}
/**
@@ -1279,31 +1277,30 @@ err:
}
int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
- struct kgd_dev *kgd, struct kgd_mem *mem)
+ struct kgd_dev *kgd, struct kgd_mem *mem, uint64_t *size)
{
struct amdkfd_process_info *process_info = mem->process_info;
unsigned long bo_size = mem->bo->tbo.mem.size;
struct kfd_bo_va_list *entry, *tmp;
struct bo_vm_reservation_context ctx;
struct ttm_validate_buffer *bo_list_entry;
+ unsigned int mapped_to_gpu_memory;
int ret;
+ bool is_imported = 0;
mutex_lock(&mem->lock);
-
- if (mem->mapped_to_gpu_memory > 0) {
- pr_debug("BO VA 0x%llx size 0x%lx is still mapped.\n",
- mem->va, bo_size);
- mutex_unlock(&mem->lock);
- return -EBUSY;
- }
-
+ mapped_to_gpu_memory = mem->mapped_to_gpu_memory;
+ is_imported = mem->is_imported;
mutex_unlock(&mem->lock);
/* lock is not needed after this, since mem is unused and will
* be freed anyway
*/
- /* No more MMU notifiers */
- amdgpu_mn_unregister(mem->bo);
+ if (mapped_to_gpu_memory > 0) {
+ pr_debug("BO VA 0x%llx size 0x%lx is still mapped.\n",
+ mem->va, bo_size);
+ return -EBUSY;
+ }
/* Make sure restore workers don't access the BO any more */
bo_list_entry = &mem->validate_list;
@@ -1311,6 +1308,9 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
list_del(&bo_list_entry->head);
mutex_unlock(&process_info->lock);
+ /* No more MMU notifiers */
+ amdgpu_mn_unregister(mem->bo);
+
ret = reserve_bo_and_cond_vms(mem, NULL, BO_VM_ALL, &ctx);
if (unlikely(ret))
return ret;
@@ -1342,8 +1342,19 @@ int amdgpu_amdkfd_gpuvm_free_memory_of_gpu(
kfree(mem->bo->tbo.sg);
}
+ /* Update the size of the BO being freed if it was allocated from
+ * VRAM and is not imported.
+ */
+ if (size) {
+ if ((mem->bo->preferred_domains == AMDGPU_GEM_DOMAIN_VRAM) &&
+ (!is_imported))
+ *size = bo_size;
+ else
+ *size = 0;
+ }
+
/* Free the BO*/
- amdgpu_bo_unref(&mem->bo);
+ drm_gem_object_put_unlocked(&mem->bo->tbo.base);
mutex_destroy(&mem->lock);
kfree(mem);
@@ -1688,7 +1699,8 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd,
| KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE
| KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE;
- (*mem)->bo = amdgpu_bo_ref(bo);
+ drm_gem_object_get(&bo->tbo.base);
+ (*mem)->bo = bo;
(*mem)->va = va;
(*mem)->domain = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT;
@@ -1696,6 +1708,7 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd,
(*mem)->process_info = avm->process_info;
add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, false);
amdgpu_sync_create(&(*mem)->sync);
+ (*mem)->is_imported = true;
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
index d1495e1c9289..d9b35df33806 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c
@@ -40,7 +40,7 @@ static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size,
for (i = 0; i < n; i++) {
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence,
- false, false);
+ false, false, false);
if (r)
goto exit_do_move;
r = dma_fence_wait(fence, false);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 031b094607bd..78ac6dbe70d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -60,8 +60,6 @@ static uint32_t amdgpu_cgs_read_ind_register(struct cgs_device *cgs_device,
{
CGS_FUNC_ADEV;
switch (space) {
- case CGS_IND_REG__MMIO:
- return RREG32_IDX(index);
case CGS_IND_REG__PCIE:
return RREG32_PCIE(index);
case CGS_IND_REG__SMC:
@@ -77,6 +75,8 @@ static uint32_t amdgpu_cgs_read_ind_register(struct cgs_device *cgs_device,
case CGS_IND_REG__AUDIO_ENDPT:
DRM_ERROR("audio endpt register access not implemented.\n");
return 0;
+ default:
+ BUG();
}
WARN(1, "Invalid indirect register space");
return 0;
@@ -88,8 +88,6 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
{
CGS_FUNC_ADEV;
switch (space) {
- case CGS_IND_REG__MMIO:
- return WREG32_IDX(index, value);
case CGS_IND_REG__PCIE:
return WREG32_PCIE(index, value);
case CGS_IND_REG__SMC:
@@ -105,6 +103,8 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
case CGS_IND_REG__AUDIO_ENDPT:
DRM_ERROR("audio endpt register access not implemented.\n");
return;
+ default:
+ BUG();
}
WARN(1, "Invalid indirect register space");
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index af91627b19b0..19070226a945 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -924,7 +924,8 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
ring = to_amdgpu_ring(entity->rq->sched);
r = amdgpu_ib_get(adev, vm, ring->funcs->parse_cs ?
- chunk_ib->ib_bytes : 0, ib);
+ chunk_ib->ib_bytes : 0,
+ AMDGPU_IB_POOL_DELAYED, ib);
if (r) {
DRM_ERROR("Failed to get ib !\n");
return r;
@@ -1207,7 +1208,6 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
{
struct amdgpu_fpriv *fpriv = p->filp->driver_priv;
struct drm_sched_entity *entity = p->entity;
- enum drm_sched_priority priority;
struct amdgpu_bo_list_entry *e;
struct amdgpu_job *job;
uint64_t seq;
@@ -1257,7 +1257,6 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
trace_amdgpu_cs_ioctl(job);
amdgpu_vm_bo_trace_cs(&fpriv->vm, &p->ticket);
- priority = job->base.s_priority;
drm_sched_entity_push_job(&job->base, entity);
amdgpu_vm_move_to_lru_tail(p->adev, &fpriv->vm);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 6ed36a2c5f73..8842c55d4490 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -26,6 +26,7 @@
#include "amdgpu.h"
#include "amdgpu_sched.h"
#include "amdgpu_ras.h"
+#include <linux/nospec.h>
#define to_amdgpu_ctx_entity(e) \
container_of((e), struct amdgpu_ctx_entity, entity)
@@ -72,13 +73,30 @@ static enum gfx_pipe_priority amdgpu_ctx_sched_prio_to_compute_prio(enum drm_sch
}
}
-static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const u32 ring)
+static unsigned int amdgpu_ctx_prio_sched_to_hw(struct amdgpu_device *adev,
+ enum drm_sched_priority prio,
+ u32 hw_ip)
+{
+ unsigned int hw_prio;
+
+ hw_prio = (hw_ip == AMDGPU_HW_IP_COMPUTE) ?
+ amdgpu_ctx_sched_prio_to_compute_prio(prio) :
+ AMDGPU_RING_PRIO_DEFAULT;
+ hw_ip = array_index_nospec(hw_ip, AMDGPU_HW_IP_NUM);
+ if (adev->gpu_sched[hw_ip][hw_prio].num_scheds == 0)
+ hw_prio = AMDGPU_RING_PRIO_DEFAULT;
+
+ return hw_prio;
+}
+
+static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
+ const u32 ring)
{
struct amdgpu_device *adev = ctx->adev;
struct amdgpu_ctx_entity *entity;
struct drm_gpu_scheduler **scheds = NULL, *sched = NULL;
unsigned num_scheds = 0;
- enum gfx_pipe_priority hw_prio;
+ unsigned int hw_prio;
enum drm_sched_priority priority;
int r;
@@ -90,52 +108,16 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, const u32 hw_ip, const
entity->sequence = 1;
priority = (ctx->override_priority == DRM_SCHED_PRIORITY_UNSET) ?
ctx->init_priority : ctx->override_priority;
- switch (hw_ip) {
- case AMDGPU_HW_IP_GFX:
- sched = &adev->gfx.gfx_ring[0].sched;
- scheds = &sched;
- num_scheds = 1;
- break;
- case AMDGPU_HW_IP_COMPUTE:
- hw_prio = amdgpu_ctx_sched_prio_to_compute_prio(priority);
- scheds = adev->gfx.compute_prio_sched[hw_prio];
- num_scheds = adev->gfx.num_compute_sched[hw_prio];
- break;
- case AMDGPU_HW_IP_DMA:
- scheds = adev->sdma.sdma_sched;
- num_scheds = adev->sdma.num_sdma_sched;
- break;
- case AMDGPU_HW_IP_UVD:
- sched = &adev->uvd.inst[0].ring.sched;
- scheds = &sched;
- num_scheds = 1;
- break;
- case AMDGPU_HW_IP_VCE:
- sched = &adev->vce.ring[0].sched;
- scheds = &sched;
- num_scheds = 1;
- break;
- case AMDGPU_HW_IP_UVD_ENC:
- sched = &adev->uvd.inst[0].ring_enc[0].sched;
- scheds = &sched;
- num_scheds = 1;
- break;
- case AMDGPU_HW_IP_VCN_DEC:
- sched = drm_sched_pick_best(adev->vcn.vcn_dec_sched,
- adev->vcn.num_vcn_dec_sched);
- scheds = &sched;
- num_scheds = 1;
- break;
- case AMDGPU_HW_IP_VCN_ENC:
- sched = drm_sched_pick_best(adev->vcn.vcn_enc_sched,
- adev->vcn.num_vcn_enc_sched);
+ hw_prio = amdgpu_ctx_prio_sched_to_hw(adev, priority, hw_ip);
+
+ hw_ip = array_index_nospec(hw_ip, AMDGPU_HW_IP_NUM);
+ scheds = adev->gpu_sched[hw_ip][hw_prio].sched;
+ num_scheds = adev->gpu_sched[hw_ip][hw_prio].num_scheds;
+
+ if (hw_ip == AMDGPU_HW_IP_VCN_ENC || hw_ip == AMDGPU_HW_IP_VCN_DEC) {
+ sched = drm_sched_pick_best(scheds, num_scheds);
scheds = &sched;
num_scheds = 1;
- break;
- case AMDGPU_HW_IP_VCN_JPEG:
- scheds = adev->jpeg.jpeg_sched;
- num_scheds = adev->jpeg.num_jpeg_sched;
- break;
}
r = drm_sched_entity_init(&entity->entity, priority, scheds, num_scheds,
@@ -178,7 +160,6 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
ctx->override_priority = DRM_SCHED_PRIORITY_UNSET;
return 0;
-
}
static void amdgpu_ctx_fini_entity(struct amdgpu_ctx_entity *entity)
@@ -525,7 +506,7 @@ static void amdgpu_ctx_set_entity_priority(struct amdgpu_ctx *ctx,
enum drm_sched_priority priority)
{
struct amdgpu_device *adev = ctx->adev;
- enum gfx_pipe_priority hw_prio;
+ unsigned int hw_prio;
struct drm_gpu_scheduler **scheds = NULL;
unsigned num_scheds;
@@ -534,9 +515,11 @@ static void amdgpu_ctx_set_entity_priority(struct amdgpu_ctx *ctx,
/* set hw priority */
if (hw_ip == AMDGPU_HW_IP_COMPUTE) {
- hw_prio = amdgpu_ctx_sched_prio_to_compute_prio(priority);
- scheds = adev->gfx.compute_prio_sched[hw_prio];
- num_scheds = adev->gfx.num_compute_sched[hw_prio];
+ hw_prio = amdgpu_ctx_prio_sched_to_hw(adev, priority,
+ AMDGPU_HW_IP_COMPUTE);
+ hw_prio = array_index_nospec(hw_prio, AMDGPU_RING_PRIO_MAX);
+ scheds = adev->gpu_sched[hw_ip][hw_prio].sched;
+ num_scheds = adev->gpu_sched[hw_ip][hw_prio].num_scheds;
drm_sched_entity_modify_sched(&aentity->entity, scheds,
num_scheds);
}
@@ -665,78 +648,3 @@ void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr)
idr_destroy(&mgr->ctx_handles);
mutex_destroy(&mgr->lock);
}
-
-
-static void amdgpu_ctx_init_compute_sched(struct amdgpu_device *adev)
-{
- int num_compute_sched_normal = 0;
- int num_compute_sched_high = AMDGPU_MAX_COMPUTE_RINGS - 1;
- int i;
-
- /* use one drm sched array, gfx.compute_sched to store both high and
- * normal priority drm compute schedulers */
- for (i = 0; i < adev->gfx.num_compute_rings; i++) {
- if (!adev->gfx.compute_ring[i].has_high_prio)
- adev->gfx.compute_sched[num_compute_sched_normal++] =
- &adev->gfx.compute_ring[i].sched;
- else
- adev->gfx.compute_sched[num_compute_sched_high--] =
- &adev->gfx.compute_ring[i].sched;
- }
-
- /* compute ring only has two priority for now */
- i = AMDGPU_GFX_PIPE_PRIO_NORMAL;
- adev->gfx.compute_prio_sched[i] = &adev->gfx.compute_sched[0];
- adev->gfx.num_compute_sched[i] = num_compute_sched_normal;
-
- i = AMDGPU_GFX_PIPE_PRIO_HIGH;
- if (num_compute_sched_high == (AMDGPU_MAX_COMPUTE_RINGS - 1)) {
- /* When compute has no high priority rings then use */
- /* normal priority sched array */
- adev->gfx.compute_prio_sched[i] = &adev->gfx.compute_sched[0];
- adev->gfx.num_compute_sched[i] = num_compute_sched_normal;
- } else {
- adev->gfx.compute_prio_sched[i] =
- &adev->gfx.compute_sched[num_compute_sched_high - 1];
- adev->gfx.num_compute_sched[i] =
- adev->gfx.num_compute_rings - num_compute_sched_normal;
- }
-}
-
-void amdgpu_ctx_init_sched(struct amdgpu_device *adev)
-{
- int i, j;
-
- amdgpu_ctx_init_compute_sched(adev);
- for (i = 0; i < adev->gfx.num_gfx_rings; i++) {
- adev->gfx.gfx_sched[i] = &adev->gfx.gfx_ring[i].sched;
- adev->gfx.num_gfx_sched++;
- }
-
- for (i = 0; i < adev->sdma.num_instances; i++) {
- adev->sdma.sdma_sched[i] = &adev->sdma.instance[i].ring.sched;
- adev->sdma.num_sdma_sched++;
- }
-
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
- if (adev->vcn.harvest_config & (1 << i))
- continue;
- adev->vcn.vcn_dec_sched[adev->vcn.num_vcn_dec_sched++] =
- &adev->vcn.inst[i].ring_dec.sched;
- }
-
- for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
- if (adev->vcn.harvest_config & (1 << i))
- continue;
- for (j = 0; j < adev->vcn.num_enc_rings; ++j)
- adev->vcn.vcn_enc_sched[adev->vcn.num_vcn_enc_sched++] =
- &adev->vcn.inst[i].ring_enc[j].sched;
- }
-
- for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
- if (adev->jpeg.harvest_config & (1 << i))
- continue;
- adev->jpeg.jpeg_sched[adev->jpeg.num_jpeg_sched++] =
- &adev->jpeg.inst[i].ring_dec.sched;
- }
-}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
index de490f183af2..f54e10314661 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.h
@@ -88,7 +88,4 @@ void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr);
long amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr, long timeout);
void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
-void amdgpu_ctx_init_sched(struct amdgpu_device *adev);
-
-
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index c0f9a651dc06..d33cb344be69 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -27,7 +27,7 @@
#include <linux/pci.h>
#include <linux/uaccess.h>
#include <linux/pm_runtime.h>
-
+#include <linux/poll.h>
#include <drm/drm_debugfs.h>
#include "amdgpu.h"
@@ -74,8 +74,82 @@ int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
return 0;
}
+int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev)
+{
+#if defined(CONFIG_DEBUG_FS)
+ unsigned long timeout = 600 * HZ;
+ int ret;
+
+ wake_up_interruptible(&adev->autodump.gpu_hang);
+
+ ret = wait_for_completion_interruptible_timeout(&adev->autodump.dumping, timeout);
+ if (ret == 0) {
+ pr_err("autodump: timeout, move on to gpu recovery\n");
+ return -ETIMEDOUT;
+ }
+#endif
+ return 0;
+}
+
#if defined(CONFIG_DEBUG_FS)
+static int amdgpu_debugfs_autodump_open(struct inode *inode, struct file *file)
+{
+ struct amdgpu_device *adev = inode->i_private;
+ int ret;
+
+ file->private_data = adev;
+
+ mutex_lock(&adev->lock_reset);
+ if (adev->autodump.dumping.done) {
+ reinit_completion(&adev->autodump.dumping);
+ ret = 0;
+ } else {
+ ret = -EBUSY;
+ }
+ mutex_unlock(&adev->lock_reset);
+
+ return ret;
+}
+
+static int amdgpu_debugfs_autodump_release(struct inode *inode, struct file *file)
+{
+ struct amdgpu_device *adev = file->private_data;
+
+ complete_all(&adev->autodump.dumping);
+ return 0;
+}
+
+static unsigned int amdgpu_debugfs_autodump_poll(struct file *file, struct poll_table_struct *poll_table)
+{
+ struct amdgpu_device *adev = file->private_data;
+
+ poll_wait(file, &adev->autodump.gpu_hang, poll_table);
+
+ if (adev->in_gpu_reset)
+ return POLLIN | POLLRDNORM | POLLWRNORM;
+
+ return 0;
+}
+
+static const struct file_operations autodump_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = amdgpu_debugfs_autodump_open,
+ .poll = amdgpu_debugfs_autodump_poll,
+ .release = amdgpu_debugfs_autodump_release,
+};
+
+static void amdgpu_debugfs_autodump_init(struct amdgpu_device *adev)
+{
+ init_completion(&adev->autodump.dumping);
+ complete_all(&adev->autodump.dumping);
+ init_waitqueue_head(&adev->autodump.gpu_hang);
+
+ debugfs_create_file("amdgpu_autodump", 0600,
+ adev->ddev->primary->debugfs_root,
+ adev, &autodump_debug_fops);
+}
+
/**
* amdgpu_debugfs_process_reg_op - Handle MMIO register reads/writes
*
@@ -152,11 +226,16 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
if (use_bank) {
if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
(se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return -EINVAL;
}
mutex_lock(&adev->grbm_idx_mutex);
@@ -207,6 +286,7 @@ end:
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -255,6 +335,10 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -263,6 +347,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -275,6 +360,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -304,6 +390,10 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -311,6 +401,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -325,6 +416,7 @@ static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -354,6 +446,10 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -362,6 +458,7 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -374,6 +471,7 @@ static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -403,6 +501,10 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -410,6 +512,7 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -424,6 +527,7 @@ static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -453,6 +557,10 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -461,6 +569,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -473,6 +582,7 @@ static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -502,6 +612,10 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
while (size) {
uint32_t value;
@@ -509,6 +623,7 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
if (r) {
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
}
@@ -523,6 +638,7 @@ static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -651,16 +767,24 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
- if (r)
+ if (r) {
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
+ }
- if (size > valuesize)
+ if (size > valuesize) {
+ amdgpu_virt_disable_access_debugfs(adev);
return -EINVAL;
+ }
outsize = 0;
x = 0;
@@ -673,6 +797,7 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
}
}
+ amdgpu_virt_disable_access_debugfs(adev);
return !r ? outsize : r;
}
@@ -720,6 +845,10 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
amdgpu_gfx_select_se_sh(adev, se, sh, cu);
@@ -734,16 +863,20 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
pm_runtime_mark_last_busy(adev->ddev->dev);
pm_runtime_put_autosuspend(adev->ddev->dev);
- if (!x)
+ if (!x) {
+ amdgpu_virt_disable_access_debugfs(adev);
return -EINVAL;
+ }
while (size && (offset < x * 4)) {
uint32_t value;
value = data[offset >> 2];
r = put_user(value, (uint32_t *)buf);
- if (r)
+ if (r) {
+ amdgpu_virt_disable_access_debugfs(adev);
return r;
+ }
result += 4;
buf += 4;
@@ -751,6 +884,7 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
size -= 4;
}
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -805,6 +939,10 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
if (r < 0)
return r;
+ r = amdgpu_virt_enable_access_debugfs(adev);
+ if (r < 0)
+ return r;
+
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
amdgpu_gfx_select_se_sh(adev, se, sh, cu);
@@ -840,6 +978,7 @@ static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
err:
kfree(data);
+ amdgpu_virt_disable_access_debugfs(adev);
return result;
}
@@ -1369,6 +1508,8 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev)
amdgpu_ras_debugfs_create_all(adev);
+ amdgpu_debugfs_autodump_init(adev);
+
return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
ARRAY_SIZE(amdgpu_debugfs_list));
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
index de12d1101526..2803884d338d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h
@@ -31,6 +31,11 @@ struct amdgpu_debugfs {
unsigned num_files;
};
+struct amdgpu_autodump {
+ struct completion dumping;
+ struct wait_queue_head gpu_hang;
+};
+
int amdgpu_debugfs_regs_init(struct amdgpu_device *adev);
int amdgpu_debugfs_init(struct amdgpu_device *adev);
void amdgpu_debugfs_fini(struct amdgpu_device *adev);
@@ -40,3 +45,4 @@ int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev);
int amdgpu_debugfs_gem_init(struct amdgpu_device *adev);
+int amdgpu_debugfs_wait_dump(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f84f9e35a73b..a027a8f7b281 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -64,9 +64,11 @@
#include "amdgpu_xgmi.h"
#include "amdgpu_ras.h"
#include "amdgpu_pmu.h"
+#include "amdgpu_fru_eeprom.h"
#include <linux/suspend.h>
#include <drm/task_barrier.h>
+#include <linux/pm_runtime.h>
MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
MODULE_FIRMWARE("amdgpu/vega12_gpu_info.bin");
@@ -138,6 +140,72 @@ static DEVICE_ATTR(pcie_replay_count, S_IRUGO,
static void amdgpu_device_get_pcie_info(struct amdgpu_device *adev);
/**
+ * DOC: product_name
+ *
+ * The amdgpu driver provides a sysfs API for reporting the product name
+ * for the device
+ * The file serial_number is used for this and returns the product name
+ * as returned from the FRU.
+ * NOTE: This is only available for certain server cards
+ */
+
+static ssize_t amdgpu_device_get_product_name(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = ddev->dev_private;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_name);
+}
+
+static DEVICE_ATTR(product_name, S_IRUGO,
+ amdgpu_device_get_product_name, NULL);
+
+/**
+ * DOC: product_number
+ *
+ * The amdgpu driver provides a sysfs API for reporting the part number
+ * for the device
+ * The file serial_number is used for this and returns the part number
+ * as returned from the FRU.
+ * NOTE: This is only available for certain server cards
+ */
+
+static ssize_t amdgpu_device_get_product_number(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = ddev->dev_private;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", adev->product_number);
+}
+
+static DEVICE_ATTR(product_number, S_IRUGO,
+ amdgpu_device_get_product_number, NULL);
+
+/**
+ * DOC: serial_number
+ *
+ * The amdgpu driver provides a sysfs API for reporting the serial number
+ * for the device
+ * The file serial_number is used for this and returns the serial number
+ * as returned from the FRU.
+ * NOTE: This is only available for certain server cards
+ */
+
+static ssize_t amdgpu_device_get_serial_number(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct drm_device *ddev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = ddev->dev_private;
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", adev->serial);
+}
+
+static DEVICE_ATTR(serial_number, S_IRUGO,
+ amdgpu_device_get_serial_number, NULL);
+
+/**
* amdgpu_device_supports_boco - Is the device a dGPU with HG/PX power control
*
* @dev: drm_device pointer
@@ -231,10 +299,10 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
}
/*
- * MMIO register access helper functions.
+ * device register access helper functions.
*/
/**
- * amdgpu_mm_rreg - read a memory mapped IO register
+ * amdgpu_device_rreg - read a register
*
* @adev: amdgpu_device pointer
* @reg: dword aligned register offset
@@ -242,25 +310,19 @@ void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
*
* Returns the 32 bit value from the offset specified.
*/
-uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
- uint32_t acc_flags)
+uint32_t amdgpu_device_rreg(struct amdgpu_device *adev, uint32_t reg,
+ uint32_t acc_flags)
{
uint32_t ret;
- if ((acc_flags & AMDGPU_REGS_KIQ) || (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)))
+ if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
return amdgpu_kiq_rreg(adev, reg);
- if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX))
+ if ((reg * 4) < adev->rmmio_size)
ret = readl(((void __iomem *)adev->rmmio) + (reg * 4));
- else {
- unsigned long flags;
-
- spin_lock_irqsave(&adev->mmio_idx_lock, flags);
- writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4));
- ret = readl(((void __iomem *)adev->rmmio) + (mmMM_DATA * 4));
- spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
- }
- trace_amdgpu_mm_rreg(adev->pdev->device, reg, ret);
+ else
+ ret = adev->pcie_rreg(adev, (reg * 4));
+ trace_amdgpu_device_rreg(adev->pdev->device, reg, ret);
return ret;
}
@@ -306,28 +368,19 @@ void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value)
BUG();
}
-void static inline amdgpu_mm_wreg_mmio(struct amdgpu_device *adev, uint32_t reg, uint32_t v, uint32_t acc_flags)
+void static inline amdgpu_device_wreg_no_kiq(struct amdgpu_device *adev, uint32_t reg,
+ uint32_t v, uint32_t acc_flags)
{
- trace_amdgpu_mm_wreg(adev->pdev->device, reg, v);
+ trace_amdgpu_device_wreg(adev->pdev->device, reg, v);
- if ((reg * 4) < adev->rmmio_size && !(acc_flags & AMDGPU_REGS_IDX))
+ if ((reg * 4) < adev->rmmio_size)
writel(v, ((void __iomem *)adev->rmmio) + (reg * 4));
- else {
- unsigned long flags;
-
- spin_lock_irqsave(&adev->mmio_idx_lock, flags);
- writel((reg * 4), ((void __iomem *)adev->rmmio) + (mmMM_INDEX * 4));
- writel(v, ((void __iomem *)adev->rmmio) + (mmMM_DATA * 4));
- spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
- }
-
- if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) {
- udelay(500);
- }
+ else
+ adev->pcie_wreg(adev, (reg * 4), v);
}
/**
- * amdgpu_mm_wreg - write to a memory mapped IO register
+ * amdgpu_device_wreg - write to a register
*
* @adev: amdgpu_device pointer
* @reg: dword aligned register offset
@@ -336,17 +389,13 @@ void static inline amdgpu_mm_wreg_mmio(struct amdgpu_device *adev, uint32_t reg,
*
* Writes the value specified to the offset specified.
*/
-void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
- uint32_t acc_flags)
+void amdgpu_device_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
+ uint32_t acc_flags)
{
- if (adev->asic_type >= CHIP_VEGA10 && reg == 0) {
- adev->last_mm_index = v;
- }
-
- if ((acc_flags & AMDGPU_REGS_KIQ) || (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev)))
+ if (!(acc_flags & AMDGPU_REGS_NO_KIQ) && amdgpu_sriov_runtime(adev))
return amdgpu_kiq_wreg(adev, reg, v);
- amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags);
+ amdgpu_device_wreg_no_kiq(adev, reg, v, acc_flags);
}
/*
@@ -365,7 +414,7 @@ void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev, uint32_t reg, uint32_t
return adev->gfx.rlc.funcs->rlcg_wreg(adev, reg, v);
}
- amdgpu_mm_wreg_mmio(adev, reg, v, acc_flags);
+ amdgpu_device_wreg_no_kiq(adev, reg, v, acc_flags);
}
/**
@@ -397,20 +446,12 @@ u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg)
*/
void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
{
- if (adev->asic_type >= CHIP_VEGA10 && reg == 0) {
- adev->last_mm_index = v;
- }
-
if ((reg * 4) < adev->rio_mem_size)
iowrite32(v, adev->rio_mem + (reg * 4));
else {
iowrite32((reg * 4), adev->rio_mem + (mmMM_INDEX * 4));
iowrite32(v, adev->rio_mem + (mmMM_DATA * 4));
}
-
- if (adev->asic_type >= CHIP_VEGA10 && reg == 1 && adev->last_mm_index == 0x5702C) {
- udelay(500);
- }
}
/**
@@ -1126,6 +1167,8 @@ static int amdgpu_device_check_arguments(struct amdgpu_device *adev)
adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
+ amdgpu_gmc_tmz_set(adev);
+
return 0;
}
@@ -1147,7 +1190,7 @@ static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
return;
if (state == VGA_SWITCHEROO_ON) {
- pr_info("amdgpu: switched on\n");
+ pr_info("switched on\n");
/* don't suspend or resume card normally */
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
@@ -1161,7 +1204,7 @@ static void amdgpu_switcheroo_set_state(struct pci_dev *pdev, enum vga_switchero
dev->switch_power_state = DRM_SWITCH_POWER_ON;
drm_kms_helper_poll_enable(dev);
} else {
- pr_info("amdgpu: switched off\n");
+ pr_info("switched off\n");
drm_kms_helper_poll_disable(dev);
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
amdgpu_device_suspend(dev, true);
@@ -1524,9 +1567,9 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
chip_name = "vega12";
break;
case CHIP_RAVEN:
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
chip_name = "raven2";
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
chip_name = "picasso";
else
chip_name = "raven";
@@ -1574,8 +1617,10 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
(const struct gpu_info_firmware_v1_0 *)(adev->firmware.gpu_info_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
- if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10)
+ if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) {
+ amdgpu_discovery_get_gfx_info(adev);
goto parse_soc_bounding_box;
+ }
adev->gfx.config.max_shader_engines = le32_to_cpu(gpu_info_fw->gc_num_se);
adev->gfx.config.max_cu_per_sh = le32_to_cpu(gpu_info_fw->gc_num_cu_per_sh);
@@ -1721,19 +1766,31 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
return -EINVAL;
}
- r = amdgpu_device_parse_gpu_info_fw(adev);
- if (r)
- return r;
-
- if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10)
- amdgpu_discovery_get_gfx_info(adev);
-
amdgpu_amdkfd_device_probe(adev);
if (amdgpu_sriov_vf(adev)) {
+ /* handle vbios stuff prior full access mode for new handshake */
+ if (adev->virt.req_init_data_ver == 1) {
+ if (!amdgpu_get_bios(adev)) {
+ DRM_ERROR("failed to get vbios\n");
+ return -EINVAL;
+ }
+
+ r = amdgpu_atombios_init(adev);
+ if (r) {
+ dev_err(adev->dev, "amdgpu_atombios_init failed\n");
+ amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0);
+ return r;
+ }
+ }
+ }
+
+ /* we need to send REQ_GPU here for legacy handshaker otherwise the vbios
+ * will not be prepared by host for this VF */
+ if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver < 1) {
r = amdgpu_virt_request_full_gpu(adev, true);
if (r)
- return -EAGAIN;
+ return r;
}
adev->pm.pp_feature = amdgpu_pp_feature_mask;
@@ -1763,6 +1820,14 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
}
/* get the vbios after the asic_funcs are set up */
if (adev->ip_blocks[i].version->type == AMD_IP_BLOCK_TYPE_COMMON) {
+ r = amdgpu_device_parse_gpu_info_fw(adev);
+ if (r)
+ return r;
+
+ /* skip vbios handling for new handshake */
+ if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver == 1)
+ continue;
+
/* Read BIOS */
if (!amdgpu_get_bios(adev))
return -EINVAL;
@@ -1889,6 +1954,12 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
if (r)
return r;
+ if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver > 0) {
+ r = amdgpu_virt_request_full_gpu(adev, true);
+ if (r)
+ return -EAGAIN;
+ }
+
for (i = 0; i < adev->num_ip_blocks; i++) {
if (!adev->ip_blocks[i].status.valid)
continue;
@@ -1975,6 +2046,8 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
amdgpu_xgmi_add_device(adev);
amdgpu_amdkfd_device_init(adev);
+ amdgpu_fru_get_product_info(adev);
+
init_failed:
if (amdgpu_sriov_vf(adev))
amdgpu_virt_release_full_gpu(adev, true);
@@ -2171,6 +2244,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
adev->ip_blocks[i].status.late_initialized = true;
}
+ amdgpu_ras_set_error_query_ready(adev, true);
+
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);
@@ -2203,7 +2278,8 @@ static int amdgpu_device_ip_late_init(struct amdgpu_device *adev)
if (gpu_instance->adev->flags & AMD_IS_APU)
continue;
- r = amdgpu_xgmi_set_pstate(gpu_instance->adev, 0);
+ r = amdgpu_xgmi_set_pstate(gpu_instance->adev,
+ AMDGPU_XGMI_PSTATE_MIN);
if (r) {
DRM_ERROR("pstate setting failed (%d).\n", r);
break;
@@ -2785,12 +2861,12 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
* By default timeout for non compute jobs is 10000.
* And there is no timeout enforced on compute jobs.
* In SR-IOV or passthrough mode, timeout for compute
- * jobs are 10000 by default.
+ * jobs are 60000 by default.
*/
adev->gfx_timeout = msecs_to_jiffies(10000);
adev->sdma_timeout = adev->video_timeout = adev->gfx_timeout;
if (amdgpu_sriov_vf(adev) || amdgpu_passthrough(adev))
- adev->compute_timeout = adev->gfx_timeout;
+ adev->compute_timeout = msecs_to_jiffies(60000);
else
adev->compute_timeout = MAX_SCHEDULE_TIMEOUT;
@@ -2841,6 +2917,14 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
return ret;
}
+static const struct attribute *amdgpu_dev_attributes[] = {
+ &dev_attr_product_name.attr,
+ &dev_attr_product_number.attr,
+ &dev_attr_serial_number.attr,
+ &dev_attr_pcie_replay_count.attr,
+ NULL
+};
+
/**
* amdgpu_device_init - initialize the driver
*
@@ -2942,9 +3026,6 @@ int amdgpu_device_init(struct amdgpu_device *adev,
INIT_LIST_HEAD(&adev->shadow_list);
mutex_init(&adev->shadow_list_lock);
- INIT_LIST_HEAD(&adev->ring_lru_list);
- spin_lock_init(&adev->ring_lru_list_lock);
-
INIT_DELAYED_WORK(&adev->delayed_init_work,
amdgpu_device_delayed_init_work_handler);
INIT_DELAYED_WORK(&adev->gfx.gfx_off_delay_work,
@@ -2953,7 +3034,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
INIT_WORK(&adev->xgmi_reset_work, amdgpu_device_xgmi_reset_func);
adev->gfx.gfx_off_req_count = 1;
- adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false;
+ adev->pm.ac_power = power_supply_is_system_supplied() > 0;
/* Registers mapping */
/* TODO: block userspace mapping of io register */
@@ -3002,18 +3083,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
if (amdgpu_mes && adev->asic_type >= CHIP_NAVI10)
adev->enable_mes = true;
- if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10) {
- r = amdgpu_discovery_init(adev);
- if (r) {
- dev_err(adev->dev, "amdgpu_discovery_init failed\n");
- return r;
- }
- }
-
- /* early init functions */
- r = amdgpu_device_ip_early_init(adev);
- if (r)
- return r;
+ /* detect hw virtualization here */
+ amdgpu_detect_virtualization(adev);
r = amdgpu_device_get_job_timeout_settings(adev);
if (r) {
@@ -3021,6 +3092,11 @@ int amdgpu_device_init(struct amdgpu_device *adev,
return r;
}
+ /* early init functions */
+ r = amdgpu_device_ip_early_init(adev);
+ if (r)
+ return r;
+
/* doorbell bar mapping and doorbell index init*/
amdgpu_device_doorbell_init(adev);
@@ -3127,14 +3203,13 @@ fence_driver_init:
goto failed;
}
- DRM_DEBUG("SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n",
+ dev_info(adev->dev,
+ "SE %d, SH per SE %d, CU per SH %d, active_cu_number %d\n",
adev->gfx.config.max_shader_engines,
adev->gfx.config.max_sh_per_se,
adev->gfx.config.max_cu_per_sh,
adev->gfx.cu_info.number);
- amdgpu_ctx_init_sched(adev);
-
adev->accel_working = true;
amdgpu_vm_check_compute_bug(adev);
@@ -3199,9 +3274,9 @@ fence_driver_init:
queue_delayed_work(system_wq, &adev->delayed_init_work,
msecs_to_jiffies(AMDGPU_RESUME_MS));
- r = device_create_file(adev->dev, &dev_attr_pcie_replay_count);
+ r = sysfs_create_files(&adev->dev->kobj, amdgpu_dev_attributes);
if (r) {
- dev_err(adev->dev, "Could not create pcie_replay_count");
+ dev_err(adev->dev, "Could not create amdgpu device attr\n");
return r;
}
@@ -3284,9 +3359,10 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
adev->rmmio = NULL;
amdgpu_device_doorbell_fini(adev);
- device_remove_file(adev->dev, &dev_attr_pcie_replay_count);
if (adev->ucode_sysfs_en)
amdgpu_ucode_sysfs_fini(adev);
+
+ sysfs_remove_files(&adev->dev->kobj, amdgpu_dev_attributes);
if (IS_ENABLED(CONFIG_PERF_EVENTS))
amdgpu_pmu_fini(adev);
if (amdgpu_discovery && adev->asic_type >= CHIP_NAVI10)
@@ -3372,15 +3448,12 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
}
}
- amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
- amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
-
- amdgpu_amdkfd_suspend(adev, !fbcon);
-
amdgpu_ras_suspend(adev);
r = amdgpu_device_ip_suspend_phase1(adev);
+ amdgpu_amdkfd_suspend(adev, !fbcon);
+
/* evict vram memory */
amdgpu_bo_evict_vram(adev);
@@ -3757,6 +3830,8 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
if (r)
return r;
+ amdgpu_amdkfd_pre_reset(adev);
+
/* Resume IP prior to SMC */
r = amdgpu_device_ip_reinit_early_sriov(adev);
if (r)
@@ -3851,6 +3926,8 @@ static int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
int i, r = 0;
bool need_full_reset = *need_full_reset_arg;
+ amdgpu_debugfs_wait_dump(adev);
+
/* block all schedulers and reset given job's ring */
for (i = 0; i < AMDGPU_MAX_RINGS; ++i) {
struct amdgpu_ring *ring = adev->rings[i];
@@ -4055,6 +4132,64 @@ static void amdgpu_device_unlock_adev(struct amdgpu_device *adev)
mutex_unlock(&adev->lock_reset);
}
+static void amdgpu_device_resume_display_audio(struct amdgpu_device *adev)
+{
+ struct pci_dev *p = NULL;
+
+ p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
+ adev->pdev->bus->number, 1);
+ if (p) {
+ pm_runtime_enable(&(p->dev));
+ pm_runtime_resume(&(p->dev));
+ }
+}
+
+static int amdgpu_device_suspend_display_audio(struct amdgpu_device *adev)
+{
+ enum amd_reset_method reset_method;
+ struct pci_dev *p = NULL;
+ u64 expires;
+
+ /*
+ * For now, only BACO and mode1 reset are confirmed
+ * to suffer the audio issue without proper suspended.
+ */
+ reset_method = amdgpu_asic_reset_method(adev);
+ if ((reset_method != AMD_RESET_METHOD_BACO) &&
+ (reset_method != AMD_RESET_METHOD_MODE1))
+ return -EINVAL;
+
+ p = pci_get_domain_bus_and_slot(pci_domain_nr(adev->pdev->bus),
+ adev->pdev->bus->number, 1);
+ if (!p)
+ return -ENODEV;
+
+ expires = pm_runtime_autosuspend_expiration(&(p->dev));
+ if (!expires)
+ /*
+ * If we cannot get the audio device autosuspend delay,
+ * a fixed 4S interval will be used. Considering 3S is
+ * the audio controller default autosuspend delay setting.
+ * 4S used here is guaranteed to cover that.
+ */
+ expires = ktime_get_mono_fast_ns() + NSEC_PER_SEC * 4ULL;
+
+ while (!pm_runtime_status_suspended(&(p->dev))) {
+ if (!pm_runtime_suspend(&(p->dev)))
+ break;
+
+ if (expires < ktime_get_mono_fast_ns()) {
+ dev_warn(adev->dev, "failed to suspend display audio\n");
+ /* TODO: abort the succeeding gpu reset? */
+ return -ETIMEDOUT;
+ }
+ }
+
+ pm_runtime_disable(&(p->dev));
+
+ return 0;
+}
+
/**
* amdgpu_device_gpu_recover - reset the asic and recover scheduler
*
@@ -4070,7 +4205,8 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
struct amdgpu_job *job)
{
struct list_head device_list, *device_list_handle = NULL;
- bool need_full_reset, job_signaled;
+ bool need_full_reset = false;
+ bool job_signaled = false;
struct amdgpu_hive_info *hive = NULL;
struct amdgpu_device *tmp_adev = NULL;
int i, r = 0;
@@ -4078,6 +4214,7 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
bool use_baco =
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) ?
true : false;
+ bool audio_suspended = false;
/*
* Flush RAM to disk so that after reboot
@@ -4091,16 +4228,9 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
emergency_restart();
}
- need_full_reset = job_signaled = false;
- INIT_LIST_HEAD(&device_list);
-
dev_info(adev->dev, "GPU %s begin!\n",
(in_ras_intr && !use_baco) ? "jobs stop":"reset");
- cancel_delayed_work_sync(&adev->delayed_init_work);
-
- hive = amdgpu_get_xgmi_hive(adev, false);
-
/*
* Here we trylock to avoid chain of resets executing from
* either trigger by jobs on different adevs in XGMI hive or jobs on
@@ -4108,39 +4238,25 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
* We always reset all schedulers for device and all devices for XGMI
* hive so that should take care of them too.
*/
-
+ hive = amdgpu_get_xgmi_hive(adev, true);
if (hive && !mutex_trylock(&hive->reset_lock)) {
DRM_INFO("Bailing on TDR for s_job:%llx, hive: %llx as another already in progress",
job ? job->base.id : -1, hive->hive_id);
+ mutex_unlock(&hive->hive_lock);
return 0;
}
- /* Start with adev pre asic reset first for soft reset check.*/
- if (!amdgpu_device_lock_adev(adev, !hive)) {
- DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress",
- job ? job->base.id : -1);
- return 0;
- }
-
- /* Block kfd: SRIOV would do it separately */
- if (!amdgpu_sriov_vf(adev))
- amdgpu_amdkfd_pre_reset(adev);
-
- /* Build list of devices to reset */
- if (adev->gmc.xgmi.num_physical_nodes > 1) {
- if (!hive) {
- /*unlock kfd: SRIOV would do it separately */
- if (!amdgpu_sriov_vf(adev))
- amdgpu_amdkfd_post_reset(adev);
- amdgpu_device_unlock_adev(adev);
+ /*
+ * Build list of devices to reset.
+ * In case we are in XGMI hive mode, resort the device list
+ * to put adev in the 1st position.
+ */
+ INIT_LIST_HEAD(&device_list);
+ if (adev->gmc.xgmi.num_physical_nodes > 1) {
+ if (!hive)
return -ENODEV;
- }
-
- /*
- * In case we are in XGMI hive mode device reset is done for all the
- * nodes in the hive to retrain all XGMI links and hence the reset
- * sequence is executed in loop on all nodes.
- */
+ if (!list_is_first(&adev->gmc.xgmi.head, &hive->device_list))
+ list_rotate_to_front(&adev->gmc.xgmi.head, &hive->device_list);
device_list_handle = &hive->device_list;
} else {
list_add_tail(&adev->gmc.xgmi.head, &device_list);
@@ -4149,19 +4265,40 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
/* block all schedulers and reset given job's ring */
list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
- if (tmp_adev != adev) {
- amdgpu_device_lock_adev(tmp_adev, false);
- if (!amdgpu_sriov_vf(tmp_adev))
- amdgpu_amdkfd_pre_reset(tmp_adev);
+ if (!amdgpu_device_lock_adev(tmp_adev, !hive)) {
+ DRM_INFO("Bailing on TDR for s_job:%llx, as another already in progress",
+ job ? job->base.id : -1);
+ mutex_unlock(&hive->hive_lock);
+ return 0;
}
/*
+ * Try to put the audio codec into suspend state
+ * before gpu reset started.
+ *
+ * Due to the power domain of the graphics device
+ * is shared with AZ power domain. Without this,
+ * we may change the audio hardware from behind
+ * the audio driver's back. That will trigger
+ * some audio codec errors.
+ */
+ if (!amdgpu_device_suspend_display_audio(tmp_adev))
+ audio_suspended = true;
+
+ amdgpu_ras_set_error_query_ready(tmp_adev, false);
+
+ cancel_delayed_work_sync(&tmp_adev->delayed_init_work);
+
+ if (!amdgpu_sriov_vf(tmp_adev))
+ amdgpu_amdkfd_pre_reset(tmp_adev);
+
+ /*
* Mark these ASICs to be reseted as untracked first
* And add them back after reset completed
*/
amdgpu_unregister_gpu_instance(tmp_adev);
- amdgpu_fbdev_set_suspend(adev, 1);
+ amdgpu_fbdev_set_suspend(tmp_adev, 1);
/* disable ras on ALL IPs */
if (!(in_ras_intr && !use_baco) &&
@@ -4181,7 +4318,6 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
}
}
-
if (in_ras_intr && !use_baco)
goto skip_sched_resume;
@@ -4192,30 +4328,14 @@ int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
* job->base holds a reference to parent fence
*/
if (job && job->base.s_fence->parent &&
- dma_fence_is_signaled(job->base.s_fence->parent))
+ dma_fence_is_signaled(job->base.s_fence->parent)) {
job_signaled = true;
-
- if (job_signaled) {
dev_info(adev->dev, "Guilty job already signaled, skipping HW reset");
goto skip_hw_reset;
}
-
- /* Guilty job will be freed after this*/
- r = amdgpu_device_pre_asic_reset(adev, job, &need_full_reset);
- if (r) {
- /*TODO Should we stop ?*/
- DRM_ERROR("GPU pre asic reset failed with err, %d for drm dev, %s ",
- r, adev->ddev->unique);
- adev->asic_reset_res = r;
- }
-
retry: /* Rest of adevs pre asic reset from XGMI hive. */
list_for_each_entry(tmp_adev, device_list_handle, gmc.xgmi.head) {
-
- if (tmp_adev == adev)
- continue;
-
r = amdgpu_device_pre_asic_reset(tmp_adev,
NULL,
&need_full_reset);
@@ -4277,11 +4397,15 @@ skip_sched_resume:
/*unlock kfd: SRIOV would do it separately */
if (!(in_ras_intr && !use_baco) && !amdgpu_sriov_vf(tmp_adev))
amdgpu_amdkfd_post_reset(tmp_adev);
+ if (audio_suspended)
+ amdgpu_device_resume_display_audio(tmp_adev);
amdgpu_device_unlock_adev(tmp_adev);
}
- if (hive)
+ if (hive) {
mutex_unlock(&hive->reset_lock);
+ mutex_unlock(&hive->hive_lock);
+ }
if (r)
dev_info(adev->dev, "GPU reset end with ret = %d\n", r);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_df.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_df.h
index 057f6ea645d7..61a26c15c8dd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_df.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_df.h
@@ -52,9 +52,6 @@ struct amdgpu_df_funcs {
uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
uint32_t ficadl_val, uint32_t ficadh_val);
- uint64_t (*get_dram_base_addr)(struct amdgpu_device *adev,
- uint32_t df_inst);
- uint32_t (*get_df_inst_id)(struct amdgpu_device *adev);
};
struct amdgpu_df {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 27d8ae19a7a4..b5d6274952a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -23,9 +23,7 @@
#include "amdgpu.h"
#include "amdgpu_discovery.h"
-#include "soc15_common.h"
#include "soc15_hw_ip.h"
-#include "nbio/nbio_2_3_offset.h"
#include "discovery.h"
#define mmRCC_CONFIG_MEMSIZE 0xde3
@@ -135,9 +133,10 @@ static int hw_id_map[MAX_HWIP] = {
static int amdgpu_discovery_read_binary(struct amdgpu_device *adev, uint8_t *binary)
{
uint64_t vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20;
- uint64_t pos = vram_size - DISCOVERY_TMR_SIZE;
+ uint64_t pos = vram_size - adev->discovery_tmr_size;
- amdgpu_device_vram_access(adev, pos, (uint32_t *)binary, DISCOVERY_TMR_SIZE, false);
+ amdgpu_device_vram_access(adev, pos, (uint32_t *)binary,
+ adev->discovery_tmr_size, false);
return 0;
}
@@ -158,7 +157,7 @@ static inline bool amdgpu_discovery_verify_checksum(uint8_t *data, uint32_t size
return !!(amdgpu_discovery_calculate_checksum(data, size) == expected);
}
-int amdgpu_discovery_init(struct amdgpu_device *adev)
+static int amdgpu_discovery_init(struct amdgpu_device *adev)
{
struct table_info *info;
struct binary_header *bhdr;
@@ -169,17 +168,18 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
uint16_t checksum;
int r;
- adev->discovery = kzalloc(DISCOVERY_TMR_SIZE, GFP_KERNEL);
- if (!adev->discovery)
+ adev->discovery_tmr_size = DISCOVERY_TMR_SIZE;
+ adev->discovery_bin = kzalloc(adev->discovery_tmr_size, GFP_KERNEL);
+ if (!adev->discovery_bin)
return -ENOMEM;
- r = amdgpu_discovery_read_binary(adev, adev->discovery);
+ r = amdgpu_discovery_read_binary(adev, adev->discovery_bin);
if (r) {
DRM_ERROR("failed to read ip discovery binary\n");
goto out;
}
- bhdr = (struct binary_header *)adev->discovery;
+ bhdr = (struct binary_header *)adev->discovery_bin;
if (le32_to_cpu(bhdr->binary_signature) != BINARY_SIGNATURE) {
DRM_ERROR("invalid ip discovery binary signature\n");
@@ -192,7 +192,7 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
size = bhdr->binary_size - offset;
checksum = bhdr->binary_checksum;
- if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+ if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
size, checksum)) {
DRM_ERROR("invalid ip discovery binary checksum\n");
r = -EINVAL;
@@ -202,7 +202,7 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
info = &bhdr->table_list[IP_DISCOVERY];
offset = le16_to_cpu(info->offset);
checksum = le16_to_cpu(info->checksum);
- ihdr = (struct ip_discovery_header *)(adev->discovery + offset);
+ ihdr = (struct ip_discovery_header *)(adev->discovery_bin + offset);
if (le32_to_cpu(ihdr->signature) != DISCOVERY_TABLE_SIGNATURE) {
DRM_ERROR("invalid ip discovery data table signature\n");
@@ -210,7 +210,7 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
goto out;
}
- if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+ if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
ihdr->size, checksum)) {
DRM_ERROR("invalid ip discovery data table checksum\n");
r = -EINVAL;
@@ -220,9 +220,9 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
info = &bhdr->table_list[GC];
offset = le16_to_cpu(info->offset);
checksum = le16_to_cpu(info->checksum);
- ghdr = (struct gpu_info_header *)(adev->discovery + offset);
+ ghdr = (struct gpu_info_header *)(adev->discovery_bin + offset);
- if (!amdgpu_discovery_verify_checksum(adev->discovery + offset,
+ if (!amdgpu_discovery_verify_checksum(adev->discovery_bin + offset,
ghdr->size, checksum)) {
DRM_ERROR("invalid gc data table checksum\n");
r = -EINVAL;
@@ -232,16 +232,16 @@ int amdgpu_discovery_init(struct amdgpu_device *adev)
return 0;
out:
- kfree(adev->discovery);
- adev->discovery = NULL;
+ kfree(adev->discovery_bin);
+ adev->discovery_bin = NULL;
return r;
}
void amdgpu_discovery_fini(struct amdgpu_device *adev)
{
- kfree(adev->discovery);
- adev->discovery = NULL;
+ kfree(adev->discovery_bin);
+ adev->discovery_bin = NULL;
}
int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
@@ -257,14 +257,16 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
uint8_t num_base_address;
int hw_ip;
int i, j, k;
+ int r;
- if (!adev->discovery) {
- DRM_ERROR("ip discovery uninitialized\n");
- return -EINVAL;
+ r = amdgpu_discovery_init(adev);
+ if (r) {
+ DRM_ERROR("amdgpu_discovery_init failed\n");
+ return r;
}
- bhdr = (struct binary_header *)adev->discovery;
- ihdr = (struct ip_discovery_header *)(adev->discovery +
+ bhdr = (struct binary_header *)adev->discovery_bin;
+ ihdr = (struct ip_discovery_header *)(adev->discovery_bin +
le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
num_dies = le16_to_cpu(ihdr->num_dies);
@@ -272,7 +274,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
for (i = 0; i < num_dies; i++) {
die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
- dhdr = (struct die_header *)(adev->discovery + die_offset);
+ dhdr = (struct die_header *)(adev->discovery_bin + die_offset);
num_ips = le16_to_cpu(dhdr->num_ips);
ip_offset = die_offset + sizeof(*dhdr);
@@ -286,7 +288,7 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
le16_to_cpu(dhdr->die_id), num_ips);
for (j = 0; j < num_ips; j++) {
- ip = (struct ip *)(adev->discovery + ip_offset);
+ ip = (struct ip *)(adev->discovery_bin + ip_offset);
num_base_address = ip->num_base_address;
DRM_DEBUG("%s(%d) #%d v%d.%d.%d:\n",
@@ -335,24 +337,24 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
uint16_t num_ips;
int i, j;
- if (!adev->discovery) {
+ if (!adev->discovery_bin) {
DRM_ERROR("ip discovery uninitialized\n");
return -EINVAL;
}
- bhdr = (struct binary_header *)adev->discovery;
- ihdr = (struct ip_discovery_header *)(adev->discovery +
+ bhdr = (struct binary_header *)adev->discovery_bin;
+ ihdr = (struct ip_discovery_header *)(adev->discovery_bin +
le16_to_cpu(bhdr->table_list[IP_DISCOVERY].offset));
num_dies = le16_to_cpu(ihdr->num_dies);
for (i = 0; i < num_dies; i++) {
die_offset = le16_to_cpu(ihdr->die_info[i].die_offset);
- dhdr = (struct die_header *)(adev->discovery + die_offset);
+ dhdr = (struct die_header *)(adev->discovery_bin + die_offset);
num_ips = le16_to_cpu(dhdr->num_ips);
ip_offset = die_offset + sizeof(*dhdr);
for (j = 0; j < num_ips; j++) {
- ip = (struct ip *)(adev->discovery + ip_offset);
+ ip = (struct ip *)(adev->discovery_bin + ip_offset);
if (le16_to_cpu(ip->hw_id) == hw_id) {
if (major)
@@ -375,13 +377,13 @@ int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev)
struct binary_header *bhdr;
struct gc_info_v1_0 *gc_info;
- if (!adev->discovery) {
+ if (!adev->discovery_bin) {
DRM_ERROR("ip discovery uninitialized\n");
return -EINVAL;
}
- bhdr = (struct binary_header *)adev->discovery;
- gc_info = (struct gc_info_v1_0 *)(adev->discovery +
+ bhdr = (struct binary_header *)adev->discovery_bin;
+ gc_info = (struct gc_info_v1_0 *)(adev->discovery_bin +
le16_to_cpu(bhdr->table_list[GC].offset));
adev->gfx.config.max_shader_engines = le32_to_cpu(gc_info->gc_num_se);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
index ba78e15d9b05..d50d597c45ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
@@ -26,7 +26,6 @@
#define DISCOVERY_TMR_SIZE (64 << 10)
-int amdgpu_discovery_init(struct amdgpu_device *adev);
void amdgpu_discovery_fini(struct amdgpu_device *adev);
int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev);
int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 84cee27cd7ef..f7143d927b6d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -523,7 +523,8 @@ uint32_t amdgpu_display_supported_domains(struct amdgpu_device *adev,
break;
case CHIP_RAVEN:
/* enable S/G on PCO and RV2 */
- if (adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8)
+ if ((adev->apu_flags & AMD_APU_IS_RAVEN2) ||
+ (adev->apu_flags & AMD_APU_IS_PICASSO))
domain |= AMDGPU_GEM_DOMAIN_GTT;
break;
default:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
index ffeb20f11c07..43d8ed7dbd00 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c
@@ -38,6 +38,7 @@
#include <drm/amdgpu_drm.h>
#include <linux/dma-buf.h>
#include <linux/dma-fence-array.h>
+#include <linux/pci-p2pdma.h>
/**
* amdgpu_gem_prime_vmap - &dma_buf_ops.vmap implementation
@@ -179,6 +180,9 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf,
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
int r;
+ if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0)
+ attach->peer2peer = false;
+
if (attach->dev->driver == adev->dev->driver)
return 0;
@@ -272,14 +276,21 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
struct dma_buf *dma_buf = attach->dmabuf;
struct drm_gem_object *obj = dma_buf->priv;
struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct sg_table *sgt;
long r;
if (!bo->pin_count) {
- /* move buffer into GTT */
+ /* move buffer into GTT or VRAM */
struct ttm_operation_ctx ctx = { false, false };
+ unsigned domains = AMDGPU_GEM_DOMAIN_GTT;
- amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT);
+ if (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM &&
+ attach->peer2peer) {
+ bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
+ domains |= AMDGPU_GEM_DOMAIN_VRAM;
+ }
+ amdgpu_bo_placement_from_domain(bo, domains);
r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (r)
return ERR_PTR(r);
@@ -289,20 +300,34 @@ static struct sg_table *amdgpu_dma_buf_map(struct dma_buf_attachment *attach,
return ERR_PTR(-EBUSY);
}
- sgt = drm_prime_pages_to_sg(bo->tbo.ttm->pages, bo->tbo.num_pages);
- if (IS_ERR(sgt))
- return sgt;
-
- if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir,
- DMA_ATTR_SKIP_CPU_SYNC))
- goto error_free;
+ switch (bo->tbo.mem.mem_type) {
+ case TTM_PL_TT:
+ sgt = drm_prime_pages_to_sg(bo->tbo.ttm->pages,
+ bo->tbo.num_pages);
+ if (IS_ERR(sgt))
+ return sgt;
+
+ if (!dma_map_sg_attrs(attach->dev, sgt->sgl, sgt->nents, dir,
+ DMA_ATTR_SKIP_CPU_SYNC))
+ goto error_free;
+ break;
+
+ case TTM_PL_VRAM:
+ r = amdgpu_vram_mgr_alloc_sgt(adev, &bo->tbo.mem, attach->dev,
+ dir, &sgt);
+ if (r)
+ return ERR_PTR(r);
+ break;
+ default:
+ return ERR_PTR(-EINVAL);
+ }
return sgt;
error_free:
sg_free_table(sgt);
kfree(sgt);
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(-EBUSY);
}
/**
@@ -318,9 +343,18 @@ static void amdgpu_dma_buf_unmap(struct dma_buf_attachment *attach,
struct sg_table *sgt,
enum dma_data_direction dir)
{
- dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir);
- sg_free_table(sgt);
- kfree(sgt);
+ struct dma_buf *dma_buf = attach->dmabuf;
+ struct drm_gem_object *obj = dma_buf->priv;
+ struct amdgpu_bo *bo = gem_to_amdgpu_bo(obj);
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+
+ if (sgt->sgl->page_link) {
+ dma_unmap_sg(attach->dev, sgt->sgl, sgt->nents, dir);
+ sg_free_table(sgt);
+ kfree(sgt);
+ } else {
+ amdgpu_vram_mgr_free_sgt(adev, attach->dev, dir, sgt);
+ }
}
/**
@@ -514,6 +548,7 @@ amdgpu_dma_buf_move_notify(struct dma_buf_attachment *attach)
}
static const struct dma_buf_attach_ops amdgpu_dma_buf_attach_ops = {
+ .allow_peer2peer = true,
.move_notify = amdgpu_dma_buf_move_notify
};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index ba1bb95a3cf9..d2a105e3bf7c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -856,7 +856,7 @@ void amdgpu_add_thermal_controller(struct amdgpu_device *adev)
const char *name = pp_lib_thermal_controller_names[controller->ucType];
info.addr = controller->ucI2cAddress >> 1;
strlcpy(info.type, name, sizeof(info.type));
- i2c_new_device(&adev->pm.i2c_bus->adapter, &info);
+ i2c_new_client_device(&adev->pm.i2c_bus->adapter, &info);
}
} else {
DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
@@ -1188,3 +1188,13 @@ int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
return ret;
}
+
+int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en)
+{
+ struct smu_context *smu = &adev->smu;
+
+ if (is_support_sw_smu(adev))
+ return smu_allow_xgmi_power_down(smu, en);
+
+ return 0;
+} \ No newline at end of file
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 936d85aa0fbc..6a8aae70a0e6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -450,6 +450,7 @@ struct amdgpu_pm {
/* Used for I2C access to various EEPROMs on relevant ASICs */
struct i2c_adapter smu_i2c;
+ struct list_head pm_attr_list;
};
#define R600_SSTU_DFLT 0
@@ -538,4 +539,6 @@ int amdgpu_dpm_baco_enter(struct amdgpu_device *adev);
int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
uint32_t cstate);
+int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 8ea86ffdea0d..126e74758a34 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -85,9 +85,11 @@
* - 3.34.0 - Non-DC can flip correctly between buffers with different pitches
* - 3.35.0 - Add drm_amdgpu_info_device::tcc_disabled_mask
* - 3.36.0 - Allow reading more status registers on si/cik
+ * - 3.37.0 - L2 is invalidated before SDMA IBs, needed for correctness
+ * - 3.38.0 - Add AMDGPU_IB_FLAG_EMIT_MEM_SYNC
*/
#define KMS_DRIVER_MAJOR 3
-#define KMS_DRIVER_MINOR 36
+#define KMS_DRIVER_MINOR 38
#define KMS_DRIVER_PATCHLEVEL 0
int amdgpu_vram_limit = 0;
@@ -138,12 +140,14 @@ int amdgpu_emu_mode = 0;
uint amdgpu_smu_memory_pool_size = 0;
/* FBC (bit 0) disabled by default*/
uint amdgpu_dc_feature_mask = 0;
+uint amdgpu_dc_debug_mask = 0;
int amdgpu_async_gfx_ring = 1;
int amdgpu_mcbp = 0;
int amdgpu_discovery = -1;
int amdgpu_mes = 0;
int amdgpu_noretry;
int amdgpu_force_asic_type = -1;
+int amdgpu_tmz = 0;
struct amdgpu_mgpu_info mgpu_info = {
.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
@@ -687,13 +691,12 @@ MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (defau
/**
* DOC: hws_gws_support(bool)
- * Whether HWS support gws barriers. Default value: false (not supported)
- * This will be replaced with a MEC firmware version check once firmware
- * is ready
+ * Assume that HWS supports GWS barriers regardless of what firmware version
+ * check says. Default value: false (rely on MEC2 firmware version check).
*/
bool hws_gws_support;
module_param(hws_gws_support, bool, 0444);
-MODULE_PARM_DESC(hws_gws_support, "MEC FW support gws barriers (false = not supported (Default), true = supported)");
+MODULE_PARM_DESC(hws_gws_support, "Assume MEC2 FW supports GWS barriers (false = rely on FW version check (Default), true = force supported)");
/**
* DOC: queue_preemption_timeout_ms (int)
@@ -713,6 +716,13 @@ MODULE_PARM_DESC(dcfeaturemask, "all stable DC features enabled (default))");
module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444);
/**
+ * DOC: dcdebugmask (uint)
+ * Override display features enabled. See enum DC_DEBUG_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
+ */
+MODULE_PARM_DESC(dcdebugmask, "all debug options disabled (default))");
+module_param_named(dcdebugmask, amdgpu_dc_debug_mask, uint, 0444);
+
+/**
* DOC: abmlevel (uint)
* Override the default ABM (Adaptive Backlight Management) level used for DC
* enabled hardware. Requires DMCU to be supported and loaded.
@@ -728,6 +738,16 @@ uint amdgpu_dm_abm_level = 0;
MODULE_PARM_DESC(abmlevel, "ABM level (0 = off (default), 1-4 = backlight reduction level) ");
module_param_named(abmlevel, amdgpu_dm_abm_level, uint, 0444);
+/**
+ * DOC: tmz (int)
+ * Trusted Memory Zone (TMZ) is a method to protect data being written
+ * to or read from memory.
+ *
+ * The default value: 0 (off). TODO: change to auto till it is completed.
+ */
+MODULE_PARM_DESC(tmz, "Enable TMZ feature (-1 = auto, 0 = off (default), 1 = on)");
+module_param_named(tmz, amdgpu_tmz, int, 0444);
+
static const struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_SI
{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
@@ -1163,14 +1183,6 @@ static int amdgpu_pmops_resume(struct device *dev)
{
struct drm_device *drm_dev = dev_get_drvdata(dev);
- /* GPU comes up enabled by the bios on resume */
- if (amdgpu_device_supports_boco(drm_dev) ||
- amdgpu_device_supports_baco(drm_dev)) {
- pm_runtime_disable(dev);
- pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
- }
-
return amdgpu_device_resume(drm_dev, true);
}
@@ -1180,7 +1192,9 @@ static int amdgpu_pmops_freeze(struct device *dev)
struct amdgpu_device *adev = drm_dev->dev_private;
int r;
+ adev->in_hibernate = true;
r = amdgpu_device_suspend(drm_dev, true);
+ adev->in_hibernate = false;
if (r)
return r;
return amdgpu_asic_reset(adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
index 9ae7b61f696a..25ddb482466a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
@@ -133,8 +133,7 @@ static int amdgpufb_create_pinned_object(struct amdgpu_fbdev *rfbdev,
u32 cpp;
u64 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |
- AMDGPU_GEM_CREATE_VRAM_CLEARED |
- AMDGPU_GEM_CREATE_CPU_GTT_USWC;
+ AMDGPU_GEM_CREATE_VRAM_CLEARED;
info = drm_get_format_info(adev->ddev, mode_cmd);
cpp = info->cpp[0];
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 7531527067df..d878fe7fee51 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -192,14 +192,22 @@ int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **f,
* Used For polling fence.
* Returns 0 on success, -ENOMEM on failure.
*/
-int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s)
+int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s,
+ uint32_t timeout)
{
uint32_t seq;
+ signed long r;
if (!s)
return -EINVAL;
seq = ++ring->fence_drv.sync_seq;
+ r = amdgpu_fence_wait_polling(ring,
+ seq - ring->fence_drv.num_fences_mask,
+ timeout);
+ if (r < 1)
+ return -ETIMEDOUT;
+
amdgpu_ring_emit_fence(ring, ring->fence_drv.gpu_addr,
seq, 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
new file mode 100644
index 000000000000..815c072ac4da
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include <linux/pci.h>
+
+#include "amdgpu.h"
+#include "amdgpu_i2c.h"
+#include "smu_v11_0_i2c.h"
+#include "atom.h"
+
+#define I2C_PRODUCT_INFO_ADDR 0xAC
+#define I2C_PRODUCT_INFO_ADDR_SIZE 0x2
+#define I2C_PRODUCT_INFO_OFFSET 0xC0
+
+bool is_fru_eeprom_supported(struct amdgpu_device *adev)
+{
+ /* TODO: Gaming SKUs don't have the FRU EEPROM.
+ * Use this hack to address hangs on modprobe on gaming SKUs
+ * until a proper solution can be implemented by only supporting
+ * the explicit chip IDs for VG20 Server cards
+ *
+ * TODO: Add list of supported Arcturus DIDs once confirmed
+ */
+ if ((adev->asic_type == CHIP_VEGA20 && adev->pdev->device == 0x66a0) ||
+ (adev->asic_type == CHIP_VEGA20 && adev->pdev->device == 0x66a1) ||
+ (adev->asic_type == CHIP_VEGA20 && adev->pdev->device == 0x66a4))
+ return true;
+ return false;
+}
+
+int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr,
+ unsigned char *buff)
+{
+ int ret, size;
+ struct i2c_msg msg = {
+ .addr = I2C_PRODUCT_INFO_ADDR,
+ .flags = I2C_M_RD,
+ .buf = buff,
+ };
+ buff[0] = 0;
+ buff[1] = addrptr;
+ msg.len = I2C_PRODUCT_INFO_ADDR_SIZE + 1;
+ ret = i2c_transfer(&adev->pm.smu_i2c, &msg, 1);
+
+ if (ret < 1) {
+ DRM_WARN("FRU: Failed to get size field");
+ return ret;
+ }
+
+ /* The size returned by the i2c requires subtraction of 0xC0 since the
+ * size apparently always reports as 0xC0+actual size.
+ */
+ size = buff[2] - I2C_PRODUCT_INFO_OFFSET;
+ /* Add 1 since address field was 1 byte */
+ buff[1] = addrptr + 1;
+
+ msg.len = I2C_PRODUCT_INFO_ADDR_SIZE + size;
+ ret = i2c_transfer(&adev->pm.smu_i2c, &msg, 1);
+
+ if (ret < 1) {
+ DRM_WARN("FRU: Failed to get data field");
+ return ret;
+ }
+
+ return size;
+}
+
+int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
+{
+ unsigned char buff[34];
+ int addrptr = 0, size = 0;
+
+ if (!is_fru_eeprom_supported(adev))
+ return 0;
+
+ /* If algo exists, it means that the i2c_adapter's initialized */
+ if (!adev->pm.smu_i2c.algo) {
+ DRM_WARN("Cannot access FRU, EEPROM accessor not initialized");
+ return 0;
+ }
+
+ /* There's a lot of repetition here. This is due to the FRU having
+ * variable-length fields. To get the information, we have to find the
+ * size of each field, and then keep reading along and reading along
+ * until we get all of the data that we want. We use addrptr to track
+ * the address as we go
+ */
+
+ /* The first fields are all of size 1-byte, from 0-7 are offsets that
+ * contain information that isn't useful to us.
+ * Bytes 8-a are all 1-byte and refer to the size of the entire struct,
+ * and the language field, so just start from 0xb, manufacturer size
+ */
+ addrptr = 0xb;
+ size = amdgpu_fru_read_eeprom(adev, addrptr, buff);
+ if (size < 1) {
+ DRM_ERROR("Failed to read FRU Manufacturer, ret:%d", size);
+ return size;
+ }
+
+ /* Increment the addrptr by the size of the field, and 1 due to the
+ * size field being 1 byte. This pattern continues below.
+ */
+ addrptr += size + 1;
+ size = amdgpu_fru_read_eeprom(adev, addrptr, buff);
+ if (size < 1) {
+ DRM_ERROR("Failed to read FRU product name, ret:%d", size);
+ return size;
+ }
+
+ /* Product name should only be 32 characters. Any more,
+ * and something could be wrong. Cap it at 32 to be safe
+ */
+ if (size > 32) {
+ DRM_WARN("FRU Product Number is larger than 32 characters. This is likely a mistake");
+ size = 32;
+ }
+ /* Start at 2 due to buff using fields 0 and 1 for the address */
+ memcpy(adev->product_name, &buff[2], size);
+ adev->product_name[size] = '\0';
+
+ addrptr += size + 1;
+ size = amdgpu_fru_read_eeprom(adev, addrptr, buff);
+ if (size < 1) {
+ DRM_ERROR("Failed to read FRU product number, ret:%d", size);
+ return size;
+ }
+
+ /* Product number should only be 16 characters. Any more,
+ * and something could be wrong. Cap it at 16 to be safe
+ */
+ if (size > 16) {
+ DRM_WARN("FRU Product Number is larger than 16 characters. This is likely a mistake");
+ size = 16;
+ }
+ memcpy(adev->product_number, &buff[2], size);
+ adev->product_number[size] = '\0';
+
+ addrptr += size + 1;
+ size = amdgpu_fru_read_eeprom(adev, addrptr, buff);
+
+ if (size < 1) {
+ DRM_ERROR("Failed to read FRU product version, ret:%d", size);
+ return size;
+ }
+
+ addrptr += size + 1;
+ size = amdgpu_fru_read_eeprom(adev, addrptr, buff);
+
+ if (size < 1) {
+ DRM_ERROR("Failed to read FRU serial number, ret:%d", size);
+ return size;
+ }
+
+ /* Serial number should only be 16 characters. Any more,
+ * and something could be wrong. Cap it at 16 to be safe
+ */
+ if (size > 16) {
+ DRM_WARN("FRU Serial Number is larger than 16 characters. This is likely a mistake");
+ size = 16;
+ }
+ memcpy(adev->serial, &buff[2], size);
+ adev->serial[size] = '\0';
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
index f78cbae9db88..968115c97e33 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 Advanced Micro Devices, Inc.
+ * Copyright 2020 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -19,19 +19,11 @@
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
- * Authors: AMD
- *
*/
-#ifndef __DC_COMMON_DEFS_H__
-#define __DC_COMMON_DEFS_H__
-
-#include "dm_services.h"
-#include "dc_features.h"
-#include "display_mode_structs.h"
-#include "display_mode_enums.h"
-
+#ifndef __AMDGPU_PRODINFO_H__
+#define __AMDGPU_PRODINFO_H__
-double dml_round(double a);
+int amdgpu_fru_get_product_info(struct amdgpu_device *adev);
-#endif /* __DC_COMMON_DEFS_H__ */
+#endif // __AMDGPU_PRODINFO_H__
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 4277125a79ee..4ed9958af94e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
@@ -29,6 +29,7 @@
#include <linux/module.h>
#include <linux/pagemap.h>
#include <linux/pci.h>
+#include <linux/dma-buf.h>
#include <drm/amdgpu_drm.h>
#include <drm/drm_debugfs.h>
@@ -161,16 +162,17 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj,
struct amdgpu_bo_list_entry vm_pd;
struct list_head list, duplicates;
+ struct dma_fence *fence = NULL;
struct ttm_validate_buffer tv;
struct ww_acquire_ctx ticket;
struct amdgpu_bo_va *bo_va;
- int r;
+ long r;
INIT_LIST_HEAD(&list);
INIT_LIST_HEAD(&duplicates);
tv.bo = &bo->tbo;
- tv.num_shared = 1;
+ tv.num_shared = 2;
list_add(&tv.head, &list);
amdgpu_vm_get_pd_bo(vm, &list, &vm_pd);
@@ -178,28 +180,34 @@ void amdgpu_gem_object_close(struct drm_gem_object *obj,
r = ttm_eu_reserve_buffers(&ticket, &list, false, &duplicates);
if (r) {
dev_err(adev->dev, "leaking bo va because "
- "we fail to reserve bo (%d)\n", r);
+ "we fail to reserve bo (%ld)\n", r);
return;
}
bo_va = amdgpu_vm_bo_find(vm, bo);
- if (bo_va && --bo_va->ref_count == 0) {
- amdgpu_vm_bo_rmv(adev, bo_va);
-
- if (amdgpu_vm_ready(vm)) {
- struct dma_fence *fence = NULL;
+ if (!bo_va || --bo_va->ref_count)
+ goto out_unlock;
- r = amdgpu_vm_clear_freed(adev, vm, &fence);
- if (unlikely(r)) {
- dev_err(adev->dev, "failed to clear page "
- "tables on GEM object close (%d)\n", r);
- }
+ amdgpu_vm_bo_rmv(adev, bo_va);
+ if (!amdgpu_vm_ready(vm))
+ goto out_unlock;
- if (fence) {
- amdgpu_bo_fence(bo, fence, true);
- dma_fence_put(fence);
- }
- }
+ fence = dma_resv_get_excl(bo->tbo.base.resv);
+ if (fence) {
+ amdgpu_bo_fence(bo, fence, true);
+ fence = NULL;
}
+
+ r = amdgpu_vm_clear_freed(adev, vm, &fence);
+ if (r || !fence)
+ goto out_unlock;
+
+ amdgpu_bo_fence(bo, fence, true);
+ dma_fence_put(fence);
+
+out_unlock:
+ if (unlikely(r < 0))
+ dev_err(adev->dev, "failed to clear page "
+ "tables on GEM object close (%ld)\n", r);
ttm_eu_backoff_reservation(&ticket, &list);
}
@@ -226,7 +234,8 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
AMDGPU_GEM_CREATE_CPU_GTT_USWC |
AMDGPU_GEM_CREATE_VRAM_CLEARED |
AMDGPU_GEM_CREATE_VM_ALWAYS_VALID |
- AMDGPU_GEM_CREATE_EXPLICIT_SYNC))
+ AMDGPU_GEM_CREATE_EXPLICIT_SYNC |
+ AMDGPU_GEM_CREATE_ENCRYPTED))
return -EINVAL;
@@ -234,6 +243,11 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK)
return -EINVAL;
+ if (!amdgpu_is_tmz(adev) && (flags & AMDGPU_GEM_CREATE_ENCRYPTED)) {
+ DRM_NOTE_ONCE("Cannot allocate secure buffer since TMZ is disabled\n");
+ return -EINVAL;
+ }
+
/* create a gem object to contain this object in */
if (args->in.domains & (AMDGPU_GEM_DOMAIN_GDS |
AMDGPU_GEM_DOMAIN_GWS | AMDGPU_GEM_DOMAIN_OA)) {
@@ -854,7 +868,8 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
attachment = READ_ONCE(bo->tbo.base.import_attach);
if (attachment)
- seq_printf(m, " imported from %p", dma_buf);
+ seq_printf(m, " imported from %p%s", dma_buf,
+ attachment->peer2peer ? " P2P" : "");
else if (dma_buf)
seq_printf(m, " exported as %p", dma_buf);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
index 6b9c9193cdfa..d612033a23ac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
@@ -48,7 +48,7 @@ int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
return bit;
}
-void amdgpu_gfx_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
+void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
int *mec, int *pipe, int *queue)
{
*queue = bit % adev->gfx.mec.num_queue_per_pipe;
@@ -274,7 +274,7 @@ static int amdgpu_gfx_kiq_acquire(struct amdgpu_device *adev,
if (test_bit(queue_bit, adev->gfx.mec.queue_bitmap))
continue;
- amdgpu_gfx_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
+ amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
/*
* 1. Using pipes 2/3 from MEC 2 seems cause problems.
@@ -304,10 +304,6 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
spin_lock_init(&kiq->ring_lock);
- r = amdgpu_device_wb_get(adev, &kiq->reg_val_offs);
- if (r)
- return r;
-
ring->adev = NULL;
ring->ring_obj = NULL;
ring->use_doorbell = true;
@@ -318,9 +314,11 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
return r;
ring->eop_gpu_addr = kiq->eop_gpu_addr;
+ ring->no_scheduler = true;
sprintf(ring->name, "kiq_%d.%d.%d", ring->me, ring->pipe, ring->queue);
r = amdgpu_ring_init(adev, ring, 1024,
- irq, AMDGPU_CP_KIQ_IRQ_DRIVER0);
+ irq, AMDGPU_CP_KIQ_IRQ_DRIVER0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
dev_warn(adev->dev, "(%d) failed to init kiq ring\n", r);
@@ -329,7 +327,6 @@ int amdgpu_gfx_kiq_init_ring(struct amdgpu_device *adev,
void amdgpu_gfx_kiq_free_ring(struct amdgpu_ring *ring)
{
- amdgpu_device_wb_free(ring->adev, ring->adev->gfx.kiq.reg_val_offs);
amdgpu_ring_fini(ring);
}
@@ -488,6 +485,19 @@ int amdgpu_gfx_disable_kcq(struct amdgpu_device *adev)
return amdgpu_ring_test_helper(kiq_ring);
}
+int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
+ int queue_bit)
+{
+ int mec, pipe, queue;
+ int set_resource_bit = 0;
+
+ amdgpu_queue_mask_bit_to_mec_queue(adev, queue_bit, &mec, &pipe, &queue);
+
+ set_resource_bit = mec * 4 * 8 + pipe * 8 + queue;
+
+ return set_resource_bit;
+}
+
int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev)
{
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
@@ -510,7 +520,7 @@ int amdgpu_gfx_enable_kcq(struct amdgpu_device *adev)
break;
}
- queue_mask |= (1ull << i);
+ queue_mask |= (1ull << amdgpu_queue_mask_bit_to_set_resource_bit(adev, i));
}
DRM_INFO("kiq ring mec %d pipe %d q %d\n", kiq_ring->me, kiq_ring->pipe,
@@ -670,16 +680,23 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
{
signed long r, cnt = 0;
unsigned long flags;
- uint32_t seq;
+ uint32_t seq, reg_val_offs = 0, value = 0;
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
struct amdgpu_ring *ring = &kiq->ring;
BUG_ON(!ring->funcs->emit_rreg);
spin_lock_irqsave(&kiq->ring_lock, flags);
+ if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
+ pr_err("critical bug! too many kiq readers\n");
+ goto failed_unlock;
+ }
amdgpu_ring_alloc(ring, 32);
- amdgpu_ring_emit_rreg(ring, reg);
- amdgpu_fence_emit_polling(ring, &seq);
+ amdgpu_ring_emit_rreg(ring, reg, reg_val_offs);
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r)
+ goto failed_undo;
+
amdgpu_ring_commit(ring);
spin_unlock_irqrestore(&kiq->ring_lock, flags);
@@ -705,9 +722,18 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg)
if (cnt > MAX_KIQ_REG_TRY)
goto failed_kiq_read;
- return adev->wb.wb[kiq->reg_val_offs];
+ mb();
+ value = adev->wb.wb[reg_val_offs];
+ amdgpu_device_wb_free(adev, reg_val_offs);
+ return value;
+failed_undo:
+ amdgpu_ring_undo(ring);
+failed_unlock:
+ spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq_read:
+ if (reg_val_offs)
+ amdgpu_device_wb_free(adev, reg_val_offs);
pr_err("failed to read reg:%x\n", reg);
return ~0;
}
@@ -725,7 +751,10 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
spin_lock_irqsave(&kiq->ring_lock, flags);
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_wreg(ring, reg, v);
- amdgpu_fence_emit_polling(ring, &seq);
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r)
+ goto failed_undo;
+
amdgpu_ring_commit(ring);
spin_unlock_irqrestore(&kiq->ring_lock, flags);
@@ -754,6 +783,9 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v)
return;
+failed_undo:
+ amdgpu_ring_undo(ring);
+ spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq_write:
pr_err("failed to write reg:%x\n", reg);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
index 5825692d07e4..d43c11671a38 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
@@ -103,7 +103,6 @@ struct amdgpu_kiq {
struct amdgpu_ring ring;
struct amdgpu_irq_src irq;
const struct kiq_pm4_funcs *pmf;
- uint32_t reg_val_offs;
};
/*
@@ -286,13 +285,8 @@ struct amdgpu_gfx {
bool me_fw_write_wait;
bool cp_fw_write_wait;
struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
- struct drm_gpu_scheduler *gfx_sched[AMDGPU_MAX_GFX_RINGS];
- uint32_t num_gfx_sched;
unsigned num_gfx_rings;
struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
- struct drm_gpu_scheduler **compute_prio_sched[AMDGPU_GFX_PIPE_PRIO_MAX];
- struct drm_gpu_scheduler *compute_sched[AMDGPU_MAX_COMPUTE_RINGS];
- uint32_t num_compute_sched[AMDGPU_GFX_PIPE_PRIO_MAX];
unsigned num_compute_rings;
struct amdgpu_irq_src eop_irq;
struct amdgpu_irq_src priv_reg_irq;
@@ -370,7 +364,7 @@ void amdgpu_gfx_graphics_queue_acquire(struct amdgpu_device *adev);
int amdgpu_gfx_mec_queue_to_bit(struct amdgpu_device *adev, int mec,
int pipe, int queue);
-void amdgpu_gfx_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
+void amdgpu_queue_mask_bit_to_mec_queue(struct amdgpu_device *adev, int bit,
int *mec, int *pipe, int *queue);
bool amdgpu_gfx_is_mec_queue_enabled(struct amdgpu_device *adev, int mec,
int pipe, int queue);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 5884ab590486..acabb57aa8af 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -136,8 +136,8 @@ uint64_t amdgpu_gmc_agp_addr(struct ttm_buffer_object *bo)
/**
* amdgpu_gmc_vram_location - try to find VRAM location
*
- * @adev: amdgpu device structure holding all necessary informations
- * @mc: memory controller structure holding memory informations
+ * @adev: amdgpu device structure holding all necessary information
+ * @mc: memory controller structure holding memory information
* @base: base address at which to put VRAM
*
* Function will try to place VRAM at base address provided
@@ -165,8 +165,8 @@ void amdgpu_gmc_vram_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc,
/**
* amdgpu_gmc_gart_location - try to find GART location
*
- * @adev: amdgpu device structure holding all necessary informations
- * @mc: memory controller structure holding memory informations
+ * @adev: amdgpu device structure holding all necessary information
+ * @mc: memory controller structure holding memory information
*
* Function will place try to place GART before or after VRAM.
*
@@ -207,8 +207,8 @@ void amdgpu_gmc_gart_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc)
/**
* amdgpu_gmc_agp_location - try to find AGP location
- * @adev: amdgpu device structure holding all necessary informations
- * @mc: memory controller structure holding memory informations
+ * @adev: amdgpu device structure holding all necessary information
+ * @mc: memory controller structure holding memory information
*
* Function will place try to find a place for the AGP BAR in the MC address
* space.
@@ -373,3 +373,38 @@ int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev)
return 0;
}
+
+/**
+ * amdgpu_tmz_set -- check and set if a device supports TMZ
+ * @adev: amdgpu_device pointer
+ *
+ * Check and set if an the device @adev supports Trusted Memory
+ * Zones (TMZ).
+ */
+void amdgpu_gmc_tmz_set(struct amdgpu_device *adev)
+{
+ switch (adev->asic_type) {
+ case CHIP_RAVEN:
+ case CHIP_RENOIR:
+ case CHIP_NAVI10:
+ case CHIP_NAVI14:
+ case CHIP_NAVI12:
+ /* Don't enable it by default yet.
+ */
+ if (amdgpu_tmz < 1) {
+ adev->gmc.tmz_enabled = false;
+ dev_info(adev->dev,
+ "Trusted Memory Zone (TMZ) feature disabled as experimental (default)\n");
+ } else {
+ adev->gmc.tmz_enabled = true;
+ dev_info(adev->dev,
+ "Trusted Memory Zone (TMZ) feature enabled as experimental (cmd line)\n");
+ }
+ break;
+ default:
+ adev->gmc.tmz_enabled = false;
+ dev_warn(adev->dev,
+ "Trusted Memory Zone (TMZ) feature not supported\n");
+ break;
+ }
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 7546da0cc70c..2bd9423c1dab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -213,6 +213,8 @@ struct amdgpu_gmc {
} fault_hash[AMDGPU_GMC_FAULT_HASH_SIZE];
uint64_t last_fault:AMDGPU_GMC_FAULT_RING_ORDER;
+ bool tmz_enabled;
+
const struct amdgpu_gmc_funcs *gmc_funcs;
struct amdgpu_xgmi xgmi;
@@ -276,4 +278,6 @@ int amdgpu_gmc_ras_late_init(struct amdgpu_device *adev);
void amdgpu_gmc_ras_fini(struct amdgpu_device *adev);
int amdgpu_gmc_allocate_vm_inv_eng(struct amdgpu_device *adev);
+extern void amdgpu_gmc_tmz_set(struct amdgpu_device *adev);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index ccbd7acfc4cb..b91853fd66d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -61,12 +61,13 @@
* Returns 0 on success, error on failure.
*/
int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- unsigned size, struct amdgpu_ib *ib)
+ unsigned size, enum amdgpu_ib_pool_type pool_type,
+ struct amdgpu_ib *ib)
{
int r;
if (size) {
- r = amdgpu_sa_bo_new(&adev->ring_tmp_bo,
+ r = amdgpu_sa_bo_new(&adev->ib_pools[pool_type],
&ib->sa_bo, size, 256);
if (r) {
dev_err(adev->dev, "failed to get a new IB (%d)\n", r);
@@ -131,6 +132,7 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
uint64_t fence_ctx;
uint32_t status = 0, alloc_size;
unsigned fence_flags = 0;
+ bool secure;
unsigned i;
int r = 0;
@@ -159,6 +161,12 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
return -EINVAL;
}
+ if ((ib->flags & AMDGPU_IB_FLAGS_SECURE) &&
+ (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE)) {
+ dev_err(adev->dev, "secure submissions not supported on compute rings\n");
+ return -EINVAL;
+ }
+
alloc_size = ring->funcs->emit_frame_size + num_ibs *
ring->funcs->emit_ib_size;
@@ -181,6 +189,9 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
dma_fence_put(tmp);
}
+ if ((ib->flags & AMDGPU_IB_FLAG_EMIT_MEM_SYNC) && ring->funcs->emit_mem_sync)
+ ring->funcs->emit_mem_sync(ring);
+
if (ring->funcs->insert_start)
ring->funcs->insert_start(ring);
@@ -215,6 +226,14 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
amdgpu_ring_emit_cntxcntl(ring, status);
}
+ /* Setup initial TMZiness and send it off.
+ */
+ secure = false;
+ if (job && ring->funcs->emit_frame_cntl) {
+ secure = ib->flags & AMDGPU_IB_FLAGS_SECURE;
+ amdgpu_ring_emit_frame_cntl(ring, true, secure);
+ }
+
for (i = 0; i < num_ibs; ++i) {
ib = &ibs[i];
@@ -226,12 +245,20 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
!amdgpu_sriov_vf(adev)) /* for SRIOV preemption, Preamble CE ib must be inserted anyway */
continue;
+ if (job && ring->funcs->emit_frame_cntl) {
+ if (secure != !!(ib->flags & AMDGPU_IB_FLAGS_SECURE)) {
+ amdgpu_ring_emit_frame_cntl(ring, false, secure);
+ secure = !secure;
+ amdgpu_ring_emit_frame_cntl(ring, true, secure);
+ }
+ }
+
amdgpu_ring_emit_ib(ring, job, ib, status);
status &= ~AMDGPU_HAVE_CTX_SWITCH;
}
- if (ring->funcs->emit_tmz)
- amdgpu_ring_emit_tmz(ring, false);
+ if (job && ring->funcs->emit_frame_cntl)
+ amdgpu_ring_emit_frame_cntl(ring, false, secure);
#ifdef CONFIG_X86_64
if (!(adev->flags & AMD_IS_APU))
@@ -280,22 +307,32 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
*/
int amdgpu_ib_pool_init(struct amdgpu_device *adev)
{
- int r;
+ unsigned size;
+ int r, i;
- if (adev->ib_pool_ready) {
+ if (adev->ib_pool_ready)
return 0;
- }
- r = amdgpu_sa_bo_manager_init(adev, &adev->ring_tmp_bo,
- AMDGPU_IB_POOL_SIZE*64*1024,
- AMDGPU_GPU_PAGE_SIZE,
- AMDGPU_GEM_DOMAIN_GTT);
- if (r) {
- return r;
- }
+ for (i = 0; i < AMDGPU_IB_POOL_MAX; i++) {
+ if (i == AMDGPU_IB_POOL_DIRECT)
+ size = PAGE_SIZE * 2;
+ else
+ size = AMDGPU_IB_POOL_SIZE;
+
+ r = amdgpu_sa_bo_manager_init(adev, &adev->ib_pools[i],
+ size, AMDGPU_GPU_PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_GTT);
+ if (r)
+ goto error;
+ }
adev->ib_pool_ready = true;
return 0;
+
+error:
+ while (i--)
+ amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]);
+ return r;
}
/**
@@ -308,10 +345,14 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev)
*/
void amdgpu_ib_pool_fini(struct amdgpu_device *adev)
{
- if (adev->ib_pool_ready) {
- amdgpu_sa_bo_manager_fini(adev, &adev->ring_tmp_bo);
- adev->ib_pool_ready = false;
- }
+ int i;
+
+ if (!adev->ib_pool_ready)
+ return;
+
+ for (i = 0; i < AMDGPU_IB_POOL_MAX; i++)
+ amdgpu_sa_bo_manager_fini(adev, &adev->ib_pools[i]);
+ adev->ib_pool_ready = false;
}
/**
@@ -326,9 +367,9 @@ void amdgpu_ib_pool_fini(struct amdgpu_device *adev)
*/
int amdgpu_ib_ring_tests(struct amdgpu_device *adev)
{
- unsigned i;
- int r, ret = 0;
long tmo_gfx, tmo_mm;
+ int r, ret = 0;
+ unsigned i;
tmo_mm = tmo_gfx = AMDGPU_IB_TEST_TIMEOUT;
if (amdgpu_sriov_vf(adev)) {
@@ -406,10 +447,16 @@ static int amdgpu_debugfs_sa_info(struct seq_file *m, void *data)
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
- amdgpu_sa_bo_dump_debug_info(&adev->ring_tmp_bo, m);
+ seq_printf(m, "--------------------- DELAYED --------------------- \n");
+ amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DELAYED],
+ m);
+ seq_printf(m, "-------------------- IMMEDIATE -------------------- \n");
+ amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_IMMEDIATE],
+ m);
+ seq_printf(m, "--------------------- DIRECT ---------------------- \n");
+ amdgpu_sa_bo_dump_debug_info(&adev->ib_pools[AMDGPU_IB_POOL_DIRECT], m);
return 0;
-
}
static const struct drm_info_list amdgpu_debugfs_sa_list[] = {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
index 3a67f6c046d4..fe92dcd94d4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.c
@@ -282,7 +282,7 @@ static int amdgpu_vmid_grab_reserved(struct amdgpu_vm *vm,
!dma_fence_is_later(updates, (*id)->flushed_updates))
updates = NULL;
- if ((*id)->owner != vm->direct.fence_context ||
+ if ((*id)->owner != vm->immediate.fence_context ||
job->vm_pd_addr != (*id)->pd_gpu_addr ||
updates || !(*id)->last_flush ||
((*id)->last_flush->context != fence_context &&
@@ -349,7 +349,7 @@ static int amdgpu_vmid_grab_used(struct amdgpu_vm *vm,
struct dma_fence *flushed;
/* Check all the prerequisites to using this VMID */
- if ((*id)->owner != vm->direct.fence_context)
+ if ((*id)->owner != vm->immediate.fence_context)
continue;
if ((*id)->pd_gpu_addr != job->vm_pd_addr)
@@ -448,7 +448,7 @@ int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
}
id->pd_gpu_addr = job->vm_pd_addr;
- id->owner = vm->direct.fence_context;
+ id->owner = vm->immediate.fence_context;
if (job->vm_needs_flush) {
dma_fence_put(id->last_flush);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
index 5ed4227f304b..0cc4c67f95f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c
@@ -260,7 +260,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev)
nvec = pci_alloc_irq_vectors(adev->pdev, 1, 1, flags);
if (nvec > 0) {
adev->irq.msi_enabled = true;
- dev_dbg(adev->dev, "amdgpu: using MSI/MSI-X.\n");
+ dev_dbg(adev->dev, "using MSI/MSI-X.\n");
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 4981e443a884..47207188c569 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -33,6 +33,7 @@ static void amdgpu_job_timedout(struct drm_sched_job *s_job)
struct amdgpu_ring *ring = to_amdgpu_ring(s_job->sched);
struct amdgpu_job *job = to_amdgpu_job(s_job);
struct amdgpu_task_info ti;
+ struct amdgpu_device *adev = ring->adev;
memset(&ti, 0, sizeof(struct amdgpu_task_info));
@@ -49,10 +50,13 @@ static void amdgpu_job_timedout(struct drm_sched_job *s_job)
DRM_ERROR("Process information: process %s pid %d thread %s pid %d\n",
ti.process_name, ti.tgid, ti.task_name, ti.pid);
- if (amdgpu_device_should_recover_gpu(ring->adev))
+ if (amdgpu_device_should_recover_gpu(ring->adev)) {
amdgpu_device_gpu_recover(ring->adev, job);
- else
+ } else {
drm_sched_suspend_timeout(&ring->sched);
+ if (amdgpu_sriov_vf(adev))
+ adev->virt.tdr_debug = true;
+ }
}
int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
@@ -87,7 +91,8 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
}
int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
- struct amdgpu_job **job)
+ enum amdgpu_ib_pool_type pool_type,
+ struct amdgpu_job **job)
{
int r;
@@ -95,7 +100,7 @@ int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
if (r)
return r;
- r = amdgpu_ib_get(adev, NULL, size, &(*job)->ibs[0]);
+ r = amdgpu_ib_get(adev, NULL, size, pool_type, &(*job)->ibs[0]);
if (r)
kfree(*job);
@@ -140,7 +145,6 @@ void amdgpu_job_free(struct amdgpu_job *job)
int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
void *owner, struct dma_fence **f)
{
- enum drm_sched_priority priority;
int r;
if (!f)
@@ -152,7 +156,6 @@ int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
*f = dma_fence_get(&job->base.s_fence->finished);
amdgpu_job_free_resources(job);
- priority = job->base.s_priority;
drm_sched_entity_push_job(&job->base, entity);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
index 3f7b8433d179..81caac9b958a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h
@@ -38,6 +38,7 @@
#define AMDGPU_JOB_GET_VMID(job) ((job) ? (job)->vmid : 0)
struct amdgpu_fence;
+enum amdgpu_ib_pool_type;
struct amdgpu_job {
struct drm_sched_job base;
@@ -61,14 +62,12 @@ struct amdgpu_job {
/* user fence handling */
uint64_t uf_addr;
uint64_t uf_sequence;
-
};
int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
struct amdgpu_job **job, struct amdgpu_vm *vm);
int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
- struct amdgpu_job **job);
-
+ enum amdgpu_ib_pool_type pool, struct amdgpu_job **job);
void amdgpu_job_free_resources(struct amdgpu_job *job);
void amdgpu_job_free(struct amdgpu_job *job);
int amdgpu_job_submit(struct amdgpu_job *job, struct drm_sched_entity *entity,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
index 5727f00afc8e..d31d65e6b039 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.c
@@ -144,7 +144,8 @@ static int amdgpu_jpeg_dec_set_reg(struct amdgpu_ring *ring, uint32_t handle,
const unsigned ib_size_dw = 16;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
index bd9ef9cc86de..5131a0a1bc8a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_jpeg.h
@@ -43,8 +43,6 @@ struct amdgpu_jpeg {
uint8_t num_jpeg_inst;
struct amdgpu_jpeg_inst inst[AMDGPU_MAX_JPEG_INSTANCES];
struct amdgpu_jpeg_reg internal;
- struct drm_gpu_scheduler *jpeg_sched[AMDGPU_MAX_JPEG_INSTANCES];
- uint32_t num_jpeg_sched;
unsigned harvest_config;
struct delayed_work idle_work;
enum amd_powergating_state cur_state;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index fd1dc3236eca..d7e17e34fee1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -183,18 +183,18 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
/* Call ACPI methods: require modeset init
* but failure is not fatal
*/
- if (!r) {
- acpi_status = amdgpu_acpi_init(adev);
- if (acpi_status)
- dev_dbg(&dev->pdev->dev,
- "Error during ACPI methods call\n");
- }
+
+ acpi_status = amdgpu_acpi_init(adev);
+ if (acpi_status)
+ dev_dbg(&dev->pdev->dev, "Error during ACPI methods call\n");
if (adev->runpm) {
- dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP);
+ /* only need to skip on ATPX */
+ if (amdgpu_device_supports_boco(dev) &&
+ !amdgpu_is_atpx_hybrid())
+ dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_use_autosuspend(dev->dev);
pm_runtime_set_autosuspend_delay(dev->dev, 5000);
- pm_runtime_set_active(dev->dev);
pm_runtime_allow(dev->dev);
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
index 919bd566ba3c..edaac242ff85 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h
@@ -77,7 +77,6 @@ struct amdgpu_nbio_funcs {
u32 *flags);
void (*ih_control)(struct amdgpu_device *adev);
void (*init_registers)(struct amdgpu_device *adev);
- void (*detect_hw_virt)(struct amdgpu_device *adev);
void (*remap_hdp_registers)(struct amdgpu_device *adev);
void (*handle_ras_controller_intr_no_bifring)(struct amdgpu_device *adev);
void (*handle_ras_err_event_athub_intr_no_bifring)(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index c687f5415b3f..3d822eba9a5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -753,7 +753,7 @@ int amdgpu_bo_restore_shadow(struct amdgpu_bo *shadow, struct dma_fence **fence)
return amdgpu_copy_buffer(ring, shadow_addr, parent_addr,
amdgpu_bo_size(shadow), NULL, fence,
- true, false);
+ true, false, false);
}
/**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index 5e39ecd8cc28..7d41f7b9a340 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -229,6 +229,17 @@ static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
return bo->flags & AMDGPU_GEM_CREATE_EXPLICIT_SYNC;
}
+/**
+ * amdgpu_bo_encrypted - test if the BO is encrypted
+ * @bo: pointer to a buffer object
+ *
+ * Return true if the buffer object is encrypted, false otherwise.
+ */
+static inline bool amdgpu_bo_encrypted(struct amdgpu_bo *bo)
+{
+ return bo->flags & AMDGPU_GEM_CREATE_ENCRYPTED;
+}
+
bool amdgpu_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index abe94a55ecad..d7646cbce346 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -154,18 +154,15 @@ int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors senso
*
*/
-static ssize_t amdgpu_get_dpm_state(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
enum amd_pm_state_type pm;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -189,19 +186,16 @@ static ssize_t amdgpu_get_dpm_state(struct device *dev,
(pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
}
-static ssize_t amdgpu_set_dpm_state(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
+static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
enum amd_pm_state_type state;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
if (strncmp("battery", buf, strlen("battery")) == 0)
state = POWER_STATE_TYPE_BATTERY;
else if (strncmp("balanced", buf, strlen("balanced")) == 0)
@@ -294,18 +288,15 @@ static ssize_t amdgpu_set_dpm_state(struct device *dev,
*
*/
-static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
enum amd_dpm_forced_level level = 0xff;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -332,10 +323,10 @@ static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
"unknown");
}
-static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
+static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
@@ -343,9 +334,6 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
enum amd_dpm_forced_level current_level = 0xff;
int ret = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
if (strncmp("low", buf, strlen("low")) == 0) {
level = AMD_DPM_FORCED_LEVEL_LOW;
} else if (strncmp("high", buf, strlen("high")) == 0) {
@@ -383,6 +371,15 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
return count;
}
+ if (adev->asic_type == CHIP_RAVEN) {
+ if (!(adev->apu_flags & AMD_APU_IS_RAVEN2)) {
+ if (current_level != AMD_DPM_FORCED_LEVEL_MANUAL && level == AMD_DPM_FORCED_LEVEL_MANUAL)
+ amdgpu_gfx_off_ctrl(adev, false);
+ else if (current_level == AMD_DPM_FORCED_LEVEL_MANUAL && level != AMD_DPM_FORCED_LEVEL_MANUAL)
+ amdgpu_gfx_off_ctrl(adev, true);
+ }
+ }
+
/* profile_exit setting is valid only when current mode is in profile mode */
if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK |
@@ -444,8 +441,11 @@ static ssize_t amdgpu_get_pp_num_states(struct device *dev,
ret = smu_get_power_num_states(&adev->smu, &data);
if (ret)
return ret;
- } else if (adev->powerplay.pp_funcs->get_pp_num_states)
+ } else if (adev->powerplay.pp_funcs->get_pp_num_states) {
amdgpu_dpm_get_pp_num_states(adev, &data);
+ } else {
+ memset(&data, 0, sizeof(data));
+ }
pm_runtime_mark_last_busy(ddev->dev);
pm_runtime_put_autosuspend(ddev->dev);
@@ -472,9 +472,6 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
enum amd_pm_state_type pm = 0;
int i = 0, ret = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -511,9 +508,6 @@ static ssize_t amdgpu_get_pp_force_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
if (adev->pp_force_state_enabled)
return amdgpu_get_pp_cur_state(dev, attr, buf);
else
@@ -531,9 +525,6 @@ static ssize_t amdgpu_set_pp_force_state(struct device *dev,
unsigned long idx;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
if (strlen(buf) == 1)
adev->pp_force_state_enabled = false;
else if (is_support_sw_smu(adev))
@@ -589,9 +580,6 @@ static ssize_t amdgpu_get_pp_table(struct device *dev,
char *table = NULL;
int size, ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -631,9 +619,6 @@ static ssize_t amdgpu_set_pp_table(struct device *dev,
struct amdgpu_device *adev = ddev->dev_private;
int ret = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -736,9 +721,6 @@ static ssize_t amdgpu_set_pp_od_clk_voltage(struct device *dev,
const char delimiter[3] = {' ', '\n', '\0'};
uint32_t type;
- if (amdgpu_sriov_vf(adev))
- return -EINVAL;
-
if (count > 127)
return -EINVAL;
@@ -828,9 +810,6 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -870,19 +849,16 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
* the corresponding bit from original ppfeature masks and input the
* new ppfeature masks.
*/
-static ssize_t amdgpu_set_pp_feature_status(struct device *dev,
- struct device_attribute *attr,
- const char *buf,
- size_t count)
+static ssize_t amdgpu_set_pp_features(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
uint64_t featuremask;
int ret;
- if (amdgpu_sriov_vf(adev))
- return -EINVAL;
-
ret = kstrtou64(buf, 0, &featuremask);
if (ret)
return -EINVAL;
@@ -914,18 +890,15 @@ static ssize_t amdgpu_set_pp_feature_status(struct device *dev,
return count;
}
-static ssize_t amdgpu_get_pp_feature_status(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t amdgpu_get_pp_features(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -982,9 +955,6 @@ static ssize_t amdgpu_get_pp_dpm_sclk(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1048,9 +1018,6 @@ static ssize_t amdgpu_set_pp_dpm_sclk(struct device *dev,
int ret;
uint32_t mask = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1082,9 +1049,6 @@ static ssize_t amdgpu_get_pp_dpm_mclk(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1112,9 +1076,6 @@ static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
uint32_t mask = 0;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1146,9 +1107,6 @@ static ssize_t amdgpu_get_pp_dpm_socclk(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1176,9 +1134,6 @@ static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
int ret;
uint32_t mask = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1212,9 +1167,6 @@ static ssize_t amdgpu_get_pp_dpm_fclk(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1242,9 +1194,6 @@ static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
int ret;
uint32_t mask = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1278,9 +1227,6 @@ static ssize_t amdgpu_get_pp_dpm_dcefclk(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1308,9 +1254,6 @@ static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
int ret;
uint32_t mask = 0;
- if (amdgpu_sriov_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1344,9 +1287,6 @@ static ssize_t amdgpu_get_pp_dpm_pcie(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1374,9 +1314,6 @@ static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
int ret;
uint32_t mask = 0;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
ret = amdgpu_read_mask(buf, count, &mask);
if (ret)
return ret;
@@ -1410,9 +1347,6 @@ static ssize_t amdgpu_get_pp_sclk_od(struct device *dev,
uint32_t value = 0;
int ret;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1438,9 +1372,6 @@ static ssize_t amdgpu_set_pp_sclk_od(struct device *dev,
int ret;
long int value;
- if (amdgpu_sriov_vf(adev))
- return -EINVAL;
-
ret = kstrtol(buf, 0, &value);
if (ret)
@@ -1479,9 +1410,6 @@ static ssize_t amdgpu_get_pp_mclk_od(struct device *dev,
uint32_t value = 0;
int ret;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1507,9 +1435,6 @@ static ssize_t amdgpu_set_pp_mclk_od(struct device *dev,
int ret;
long int value;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
ret = kstrtol(buf, 0, &value);
if (ret)
@@ -1568,9 +1493,6 @@ static ssize_t amdgpu_get_pp_power_profile_mode(struct device *dev,
ssize_t size;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
return ret;
@@ -1612,9 +1534,6 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
if (ret)
return -EINVAL;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return -EINVAL;
-
if (profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
if (count < 2 || count > 127)
return -EINVAL;
@@ -1660,17 +1579,14 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
* The SMU firmware computes a percentage of load based on the
* aggregate activity level in the IP cores.
*/
-static ssize_t amdgpu_get_busy_percent(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
int r, value, size = sizeof(value);
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
r = pm_runtime_get_sync(ddev->dev);
if (r < 0)
return r;
@@ -1696,17 +1612,14 @@ static ssize_t amdgpu_get_busy_percent(struct device *dev,
* The SMU firmware computes a percentage of load based on the
* aggregate activity level in the IP cores.
*/
-static ssize_t amdgpu_get_memory_busy_percent(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
int r, value, size = sizeof(value);
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
r = pm_runtime_get_sync(ddev->dev);
if (r < 0)
return r;
@@ -1742,11 +1655,14 @@ static ssize_t amdgpu_get_pcie_bw(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- uint64_t count0, count1;
+ uint64_t count0 = 0, count1 = 0;
int ret;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
+ if (adev->flags & AMD_IS_APU)
+ return -ENODATA;
+
+ if (!adev->asic_funcs->get_pcie_usage)
+ return -ENODATA;
ret = pm_runtime_get_sync(ddev->dev);
if (ret < 0)
@@ -1778,66 +1694,191 @@ static ssize_t amdgpu_get_unique_id(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
if (adev->unique_id)
return snprintf(buf, PAGE_SIZE, "%016llx\n", adev->unique_id);
return 0;
}
-static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state);
-static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR,
- amdgpu_get_dpm_forced_performance_level,
- amdgpu_set_dpm_forced_performance_level);
-static DEVICE_ATTR(pp_num_states, S_IRUGO, amdgpu_get_pp_num_states, NULL);
-static DEVICE_ATTR(pp_cur_state, S_IRUGO, amdgpu_get_pp_cur_state, NULL);
-static DEVICE_ATTR(pp_force_state, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_force_state,
- amdgpu_set_pp_force_state);
-static DEVICE_ATTR(pp_table, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_table,
- amdgpu_set_pp_table);
-static DEVICE_ATTR(pp_dpm_sclk, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_sclk,
- amdgpu_set_pp_dpm_sclk);
-static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_mclk,
- amdgpu_set_pp_dpm_mclk);
-static DEVICE_ATTR(pp_dpm_socclk, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_socclk,
- amdgpu_set_pp_dpm_socclk);
-static DEVICE_ATTR(pp_dpm_fclk, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_fclk,
- amdgpu_set_pp_dpm_fclk);
-static DEVICE_ATTR(pp_dpm_dcefclk, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_dcefclk,
- amdgpu_set_pp_dpm_dcefclk);
-static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_dpm_pcie,
- amdgpu_set_pp_dpm_pcie);
-static DEVICE_ATTR(pp_sclk_od, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_sclk_od,
- amdgpu_set_pp_sclk_od);
-static DEVICE_ATTR(pp_mclk_od, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_mclk_od,
- amdgpu_set_pp_mclk_od);
-static DEVICE_ATTR(pp_power_profile_mode, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_power_profile_mode,
- amdgpu_set_pp_power_profile_mode);
-static DEVICE_ATTR(pp_od_clk_voltage, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_od_clk_voltage,
- amdgpu_set_pp_od_clk_voltage);
-static DEVICE_ATTR(gpu_busy_percent, S_IRUGO,
- amdgpu_get_busy_percent, NULL);
-static DEVICE_ATTR(mem_busy_percent, S_IRUGO,
- amdgpu_get_memory_busy_percent, NULL);
-static DEVICE_ATTR(pcie_bw, S_IRUGO, amdgpu_get_pcie_bw, NULL);
-static DEVICE_ATTR(pp_features, S_IRUGO | S_IWUSR,
- amdgpu_get_pp_feature_status,
- amdgpu_set_pp_feature_status);
-static DEVICE_ATTR(unique_id, S_IRUGO, amdgpu_get_unique_id, NULL);
+static struct amdgpu_device_attr amdgpu_device_attrs[] = {
+ AMDGPU_DEVICE_ATTR_RW(power_dpm_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RO(pp_num_states, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(pp_cur_state, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_force_state, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_sclk_od, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_mclk_od, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(mem_busy_percent, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(pcie_bw, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RW(pp_features, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(unique_id, ATTR_FLAG_BASIC),
+};
+
+static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
+ uint32_t mask, enum amdgpu_device_attr_states *states)
+{
+ struct device_attribute *dev_attr = &attr->dev_attr;
+ const char *attr_name = dev_attr->attr.name;
+ struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+ enum amd_asic_type asic_type = adev->asic_type;
+
+ if (!(attr->flags & mask)) {
+ *states = ATTR_STATE_UNSUPPORTED;
+ return 0;
+ }
+
+#define DEVICE_ATTR_IS(_name) (!strcmp(attr_name, #_name))
+
+ if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
+ if (asic_type < CHIP_VEGA10)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
+ if (asic_type < CHIP_VEGA10 || asic_type == CHIP_ARCTURUS)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
+ if (asic_type < CHIP_VEGA20)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_dpm_pcie)) {
+ if (asic_type == CHIP_ARCTURUS)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
+ *states = ATTR_STATE_UNSUPPORTED;
+ if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
+ (!is_support_sw_smu(adev) && hwmgr->od_enabled))
+ *states = ATTR_STATE_SUPPORTED;
+ } else if (DEVICE_ATTR_IS(mem_busy_percent)) {
+ if (adev->flags & AMD_IS_APU || asic_type == CHIP_VEGA10)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pcie_bw)) {
+ /* PCIe Perf counters won't work on APU nodes */
+ if (adev->flags & AMD_IS_APU)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(unique_id)) {
+ if (!adev->unique_id)
+ *states = ATTR_STATE_UNSUPPORTED;
+ } else if (DEVICE_ATTR_IS(pp_features)) {
+ if (adev->flags & AMD_IS_APU || asic_type < CHIP_VEGA10)
+ *states = ATTR_STATE_UNSUPPORTED;
+ }
+
+ if (asic_type == CHIP_ARCTURUS) {
+ /* Arcturus does not support standalone mclk/socclk/fclk level setting */
+ if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
+ DEVICE_ATTR_IS(pp_dpm_socclk) ||
+ DEVICE_ATTR_IS(pp_dpm_fclk)) {
+ dev_attr->attr.mode &= ~S_IWUGO;
+ dev_attr->store = NULL;
+ }
+ }
+
+#undef DEVICE_ATTR_IS
+
+ return 0;
+}
+
+
+static int amdgpu_device_attr_create(struct amdgpu_device *adev,
+ struct amdgpu_device_attr *attr,
+ uint32_t mask, struct list_head *attr_list)
+{
+ int ret = 0;
+ struct device_attribute *dev_attr = &attr->dev_attr;
+ const char *name = dev_attr->attr.name;
+ enum amdgpu_device_attr_states attr_states = ATTR_STATE_SUPPORTED;
+ struct amdgpu_device_attr_entry *attr_entry;
+
+ int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
+ uint32_t mask, enum amdgpu_device_attr_states *states) = default_attr_update;
+
+ BUG_ON(!attr);
+
+ attr_update = attr->attr_update ? attr_update : default_attr_update;
+
+ ret = attr_update(adev, attr, mask, &attr_states);
+ if (ret) {
+ dev_err(adev->dev, "failed to update device file %s, ret = %d\n",
+ name, ret);
+ return ret;
+ }
+
+ if (attr_states == ATTR_STATE_UNSUPPORTED)
+ return 0;
+
+ ret = device_create_file(adev->dev, dev_attr);
+ if (ret) {
+ dev_err(adev->dev, "failed to create device file %s, ret = %d\n",
+ name, ret);
+ }
+
+ attr_entry = kmalloc(sizeof(*attr_entry), GFP_KERNEL);
+ if (!attr_entry)
+ return -ENOMEM;
+
+ attr_entry->attr = attr;
+ INIT_LIST_HEAD(&attr_entry->entry);
+
+ list_add_tail(&attr_entry->entry, attr_list);
+
+ return ret;
+}
+
+static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr)
+{
+ struct device_attribute *dev_attr = &attr->dev_attr;
+
+ device_remove_file(adev->dev, dev_attr);
+}
+
+static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
+ struct list_head *attr_list);
+
+static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev,
+ struct amdgpu_device_attr *attrs,
+ uint32_t counts,
+ uint32_t mask,
+ struct list_head *attr_list)
+{
+ int ret = 0;
+ uint32_t i = 0;
+
+ for (i = 0; i < counts; i++) {
+ ret = amdgpu_device_attr_create(adev, &attrs[i], mask, attr_list);
+ if (ret)
+ goto failed;
+ }
+
+ return 0;
+
+failed:
+ amdgpu_device_attr_remove_groups(adev, attr_list);
+
+ return ret;
+}
+
+static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
+ struct list_head *attr_list)
+{
+ struct amdgpu_device_attr_entry *entry, *entry_tmp;
+
+ if (list_empty(attr_list))
+ return ;
+
+ list_for_each_entry_safe(entry, entry_tmp, attr_list, entry) {
+ amdgpu_device_attr_remove(adev, entry->attr);
+ list_del(&entry->entry);
+ kfree(entry);
+ }
+}
static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
struct device_attribute *attr,
@@ -3238,8 +3279,8 @@ int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_versio
int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
{
- struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
int ret;
+ uint32_t mask = 0;
if (adev->pm.sysfs_initialized)
return 0;
@@ -3247,6 +3288,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
if (adev->pm.dpm_enabled == 0)
return 0;
+ INIT_LIST_HEAD(&adev->pm.pm_attr_list);
+
adev->pm.int_hwmon_dev = hwmon_device_register_with_groups(adev->dev,
DRIVER_NAME, adev,
hwmon_groups);
@@ -3257,160 +3300,26 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
return ret;
}
- ret = device_create_file(adev->dev, &dev_attr_power_dpm_state);
- if (ret) {
- DRM_ERROR("failed to create device file for dpm state\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
- if (ret) {
- DRM_ERROR("failed to create device file for dpm state\n");
- return ret;
- }
-
-
- ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
- if (ret) {
- DRM_ERROR("failed to create device file pp_num_states\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
- if (ret) {
- DRM_ERROR("failed to create device file pp_cur_state\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
- if (ret) {
- DRM_ERROR("failed to create device file pp_force_state\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_table);
- if (ret) {
- DRM_ERROR("failed to create device file pp_table\n");
- return ret;
- }
-
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_sclk\n");
- return ret;
- }
-
- /* Arcturus does not support standalone mclk/socclk/fclk level setting */
- if (adev->asic_type == CHIP_ARCTURUS) {
- dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
- dev_attr_pp_dpm_mclk.store = NULL;
-
- dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
- dev_attr_pp_dpm_socclk.store = NULL;
-
- dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
- dev_attr_pp_dpm_fclk.store = NULL;
+ switch (amdgpu_virt_get_sriov_vf_mode(adev)) {
+ case SRIOV_VF_MODE_ONE_VF:
+ mask = ATTR_FLAG_ONEVF;
+ break;
+ case SRIOV_VF_MODE_MULTI_VF:
+ mask = 0;
+ break;
+ case SRIOV_VF_MODE_BARE_METAL:
+ default:
+ mask = ATTR_FLAG_MASK_ALL;
+ break;
}
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_mclk\n");
- return ret;
- }
- if (adev->asic_type >= CHIP_VEGA10) {
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_socclk);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_socclk\n");
- return ret;
- }
- if (adev->asic_type != CHIP_ARCTURUS) {
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_dcefclk\n");
- return ret;
- }
- }
- }
- if (adev->asic_type >= CHIP_VEGA20) {
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_fclk);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_fclk\n");
- return ret;
- }
- }
- if (adev->asic_type != CHIP_ARCTURUS) {
- ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
- if (ret) {
- DRM_ERROR("failed to create device file pp_dpm_pcie\n");
- return ret;
- }
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
- if (ret) {
- DRM_ERROR("failed to create device file pp_sclk_od\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_pp_mclk_od);
- if (ret) {
- DRM_ERROR("failed to create device file pp_mclk_od\n");
- return ret;
- }
- ret = device_create_file(adev->dev,
- &dev_attr_pp_power_profile_mode);
- if (ret) {
- DRM_ERROR("failed to create device file "
- "pp_power_profile_mode\n");
- return ret;
- }
- if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
- (!is_support_sw_smu(adev) && hwmgr->od_enabled)) {
- ret = device_create_file(adev->dev,
- &dev_attr_pp_od_clk_voltage);
- if (ret) {
- DRM_ERROR("failed to create device file "
- "pp_od_clk_voltage\n");
- return ret;
- }
- }
- ret = device_create_file(adev->dev,
- &dev_attr_gpu_busy_percent);
- if (ret) {
- DRM_ERROR("failed to create device file "
- "gpu_busy_level\n");
- return ret;
- }
- /* APU does not have its own dedicated memory */
- if (!(adev->flags & AMD_IS_APU) &&
- (adev->asic_type != CHIP_VEGA10)) {
- ret = device_create_file(adev->dev,
- &dev_attr_mem_busy_percent);
- if (ret) {
- DRM_ERROR("failed to create device file "
- "mem_busy_percent\n");
- return ret;
- }
- }
- /* PCIe Perf counters won't work on APU nodes */
- if (!(adev->flags & AMD_IS_APU)) {
- ret = device_create_file(adev->dev, &dev_attr_pcie_bw);
- if (ret) {
- DRM_ERROR("failed to create device file pcie_bw\n");
- return ret;
- }
- }
- if (adev->unique_id)
- ret = device_create_file(adev->dev, &dev_attr_unique_id);
- if (ret) {
- DRM_ERROR("failed to create device file unique_id\n");
+ ret = amdgpu_device_attr_create_groups(adev,
+ amdgpu_device_attrs,
+ ARRAY_SIZE(amdgpu_device_attrs),
+ mask,
+ &adev->pm.pm_attr_list);
+ if (ret)
return ret;
- }
-
- if ((adev->asic_type >= CHIP_VEGA10) &&
- !(adev->flags & AMD_IS_APU)) {
- ret = device_create_file(adev->dev,
- &dev_attr_pp_features);
- if (ret) {
- DRM_ERROR("failed to create device file "
- "pp_features\n");
- return ret;
- }
- }
adev->pm.sysfs_initialized = true;
@@ -3419,51 +3328,13 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
{
- struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
-
if (adev->pm.dpm_enabled == 0)
return;
if (adev->pm.int_hwmon_dev)
hwmon_device_unregister(adev->pm.int_hwmon_dev);
- device_remove_file(adev->dev, &dev_attr_power_dpm_state);
- device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
-
- device_remove_file(adev->dev, &dev_attr_pp_num_states);
- device_remove_file(adev->dev, &dev_attr_pp_cur_state);
- device_remove_file(adev->dev, &dev_attr_pp_force_state);
- device_remove_file(adev->dev, &dev_attr_pp_table);
-
- device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
- device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
- if (adev->asic_type >= CHIP_VEGA10) {
- device_remove_file(adev->dev, &dev_attr_pp_dpm_socclk);
- if (adev->asic_type != CHIP_ARCTURUS)
- device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
- }
- if (adev->asic_type != CHIP_ARCTURUS)
- device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
- if (adev->asic_type >= CHIP_VEGA20)
- device_remove_file(adev->dev, &dev_attr_pp_dpm_fclk);
- device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
- device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
- device_remove_file(adev->dev,
- &dev_attr_pp_power_profile_mode);
- if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
- (!is_support_sw_smu(adev) && hwmgr->od_enabled))
- device_remove_file(adev->dev,
- &dev_attr_pp_od_clk_voltage);
- device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
- if (!(adev->flags & AMD_IS_APU) &&
- (adev->asic_type != CHIP_VEGA10))
- device_remove_file(adev->dev, &dev_attr_mem_busy_percent);
- if (!(adev->flags & AMD_IS_APU))
- device_remove_file(adev->dev, &dev_attr_pcie_bw);
- if (adev->unique_id)
- device_remove_file(adev->dev, &dev_attr_unique_id);
- if ((adev->asic_type >= CHIP_VEGA10) &&
- !(adev->flags & AMD_IS_APU))
- device_remove_file(adev->dev, &dev_attr_pp_features);
+
+ amdgpu_device_attr_remove_groups(adev, &adev->pm.pm_attr_list);
}
void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
index 5db0ef86e84c..d9ae2b49a402 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
@@ -30,6 +30,55 @@ struct cg_flag_name
const char *name;
};
+enum amdgpu_device_attr_flags {
+ ATTR_FLAG_BASIC = (1 << 0),
+ ATTR_FLAG_ONEVF = (1 << 16),
+};
+
+#define ATTR_FLAG_TYPE_MASK (0x0000ffff)
+#define ATTR_FLAG_MODE_MASK (0xffff0000)
+#define ATTR_FLAG_MASK_ALL (0xffffffff)
+
+enum amdgpu_device_attr_states {
+ ATTR_STATE_UNSUPPORTED = 0,
+ ATTR_STATE_SUPPORTED,
+};
+
+struct amdgpu_device_attr {
+ struct device_attribute dev_attr;
+ enum amdgpu_device_attr_flags flags;
+ int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
+ uint32_t mask, enum amdgpu_device_attr_states *states);
+
+};
+
+struct amdgpu_device_attr_entry {
+ struct list_head entry;
+ struct amdgpu_device_attr *attr;
+};
+
+#define to_amdgpu_device_attr(_dev_attr) \
+ container_of(_dev_attr, struct amdgpu_device_attr, dev_attr)
+
+#define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...) \
+ { .dev_attr = __ATTR(_name, _mode, _show, _store), \
+ .flags = _flags, \
+ ##__VA_ARGS__, }
+
+#define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...) \
+ __AMDGPU_DEVICE_ATTR(_name, _mode, \
+ amdgpu_get_##_name, amdgpu_set_##_name, \
+ _flags, ##__VA_ARGS__)
+
+#define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...) \
+ AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR, \
+ _flags, ##__VA_ARGS__)
+
+#define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...) \
+ __AMDGPU_DEVICE_ATTR(_name, S_IRUGO, \
+ amdgpu_get_##_name, NULL, \
+ _flags, ##__VA_ARGS__)
+
void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
int amdgpu_pm_sysfs_init(struct amdgpu_device *adev);
int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index deaa26808841..7301fdcfb8bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -37,11 +37,11 @@
#include "amdgpu_ras.h"
-static void psp_set_funcs(struct amdgpu_device *adev);
-
static int psp_sysfs_init(struct amdgpu_device *adev);
static void psp_sysfs_fini(struct amdgpu_device *adev);
+static int psp_load_smu_fw(struct psp_context *psp);
+
/*
* Due to DF Cstate management centralized to PMFW, the firmware
* loading sequence will be updated as below:
@@ -80,8 +80,6 @@ static int psp_early_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct psp_context *psp = &adev->psp;
- psp_set_funcs(adev);
-
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_VEGA12:
@@ -201,6 +199,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
int index;
int timeout = 2000;
bool ras_intr = false;
+ bool skip_unsupport = false;
mutex_lock(&psp->mutex);
@@ -232,6 +231,9 @@ psp_cmd_submit_buf(struct psp_context *psp,
amdgpu_asic_invalidate_hdp(psp->adev, NULL);
}
+ /* We allow TEE_ERROR_NOT_SUPPORTED for VMR command in SRIOV */
+ skip_unsupport = (psp->cmd_buf_mem->resp.status == 0xffff000a) && amdgpu_sriov_vf(psp->adev);
+
/* In some cases, psp response status is not 0 even there is no
* problem while the command is submitted. Some version of PSP FW
* doesn't write 0 to that field.
@@ -239,7 +241,7 @@ psp_cmd_submit_buf(struct psp_context *psp,
* during psp initialization to avoid breaking hw_init and it doesn't
* return -EINVAL.
*/
- if ((psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
+ if (!skip_unsupport && (psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
if (ucode)
DRM_WARN("failed to load ucode id (%d) ",
ucode->ucode_id);
@@ -268,7 +270,7 @@ static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
struct psp_gfx_cmd_resp *cmd,
uint64_t tmr_mc, uint32_t size)
{
- if (psp_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(psp->adev))
cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
else
cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
@@ -662,6 +664,121 @@ int psp_xgmi_initialize(struct psp_context *psp)
return ret;
}
+int psp_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
+{
+ struct ta_xgmi_shared_memory *xgmi_cmd;
+ int ret;
+
+ xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+ memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+ xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
+
+ /* Invoke xgmi ta to get hive id */
+ ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+ if (ret)
+ return ret;
+
+ *hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
+
+ return 0;
+}
+
+int psp_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
+{
+ struct ta_xgmi_shared_memory *xgmi_cmd;
+ int ret;
+
+ xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+ memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+ xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
+
+ /* Invoke xgmi ta to get the node id */
+ ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+ if (ret)
+ return ret;
+
+ *node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
+
+ return 0;
+}
+
+int psp_xgmi_get_topology_info(struct psp_context *psp,
+ int number_devices,
+ struct psp_xgmi_topology_info *topology)
+{
+ struct ta_xgmi_shared_memory *xgmi_cmd;
+ struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
+ struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
+ int i;
+ int ret;
+
+ if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
+ return -EINVAL;
+
+ xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+ memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+ /* Fill in the shared memory with topology information as input */
+ topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
+ xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO;
+ topology_info_input->num_nodes = number_devices;
+
+ for (i = 0; i < topology_info_input->num_nodes; i++) {
+ topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
+ topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
+ topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
+ topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
+ }
+
+ /* Invoke xgmi ta to get the topology information */
+ ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO);
+ if (ret)
+ return ret;
+
+ /* Read the output topology information from the shared memory */
+ topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
+ topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
+ for (i = 0; i < topology->num_nodes; i++) {
+ topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
+ topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
+ topology->nodes[i].is_sharing_enabled = topology_info_output->nodes[i].is_sharing_enabled;
+ topology->nodes[i].sdma_engine = topology_info_output->nodes[i].sdma_engine;
+ }
+
+ return 0;
+}
+
+int psp_xgmi_set_topology_info(struct psp_context *psp,
+ int number_devices,
+ struct psp_xgmi_topology_info *topology)
+{
+ struct ta_xgmi_shared_memory *xgmi_cmd;
+ struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
+ int i;
+
+ if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
+ return -EINVAL;
+
+ xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+ memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+ topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
+ xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
+ topology_info_input->num_nodes = number_devices;
+
+ for (i = 0; i < topology_info_input->num_nodes; i++) {
+ topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
+ topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
+ topology_info_input->nodes[i].is_sharing_enabled = 1;
+ topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
+ }
+
+ /* Invoke xgmi ta to set topology information */
+ return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
+}
+
// ras begin
static int psp_ras_init_shared_buf(struct psp_context *psp)
{
@@ -744,13 +861,40 @@ static int psp_ras_unload(struct psp_context *psp)
int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
{
+ struct ta_ras_shared_memory *ras_cmd;
+ int ret;
+
+ ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+
/*
* TODO: bypass the loading in sriov for now
*/
if (amdgpu_sriov_vf(psp->adev))
return 0;
- return psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
+ ret = psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
+
+ if (amdgpu_ras_intr_triggered())
+ return ret;
+
+ if (ras_cmd->if_version > RAS_TA_HOST_IF_VER)
+ {
+ DRM_WARN("RAS: Unsupported Interface");
+ return -EINVAL;
+ }
+
+ if (!ret) {
+ if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
+ dev_warn(psp->adev->dev, "ECC switch disabled\n");
+
+ ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
+ }
+ else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
+ dev_warn(psp->adev->dev,
+ "RAS internal register access blocked\n");
+ }
+
+ return ret;
}
int psp_ras_enable_features(struct psp_context *psp,
@@ -834,6 +978,33 @@ static int psp_ras_initialize(struct psp_context *psp)
return 0;
}
+
+int psp_ras_trigger_error(struct psp_context *psp,
+ struct ta_ras_trigger_error_input *info)
+{
+ struct ta_ras_shared_memory *ras_cmd;
+ int ret;
+
+ if (!psp->ras.ras_initialized)
+ return -EINVAL;
+
+ ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+ memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
+
+ ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
+ ras_cmd->ras_in_message.trigger_error = *info;
+
+ ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
+ if (ret)
+ return -EINVAL;
+
+ /* If err_event_athub occurs error inject was successful, however
+ return status from TA is no long reliable */
+ if (amdgpu_ras_intr_triggered())
+ return 0;
+
+ return ras_cmd->ras_status;
+}
// ras end
// HDCP start
@@ -884,6 +1055,7 @@ static int psp_hdcp_load(struct psp_context *psp)
if (!ret) {
psp->hdcp_context.hdcp_initialized = true;
psp->hdcp_context.session_id = cmd->resp.session_id;
+ mutex_init(&psp->hdcp_context.mutex);
}
kfree(cmd);
@@ -1029,6 +1201,7 @@ static int psp_dtm_load(struct psp_context *psp)
if (!ret) {
psp->dtm_context.dtm_initialized = true;
psp->dtm_context.session_id = cmd->resp.session_id;
+ mutex_init(&psp->dtm_context.mutex);
}
kfree(cmd);
@@ -1169,16 +1342,20 @@ static int psp_hw_start(struct psp_context *psp)
}
/*
- * For those ASICs with DF Cstate management centralized
+ * For ASICs with DF Cstate management centralized
* to PMFW, TMR setup should be performed after PMFW
* loaded and before other non-psp firmware loaded.
*/
- if (!psp->pmfw_centralized_cstate_management) {
- ret = psp_tmr_load(psp);
- if (ret) {
- DRM_ERROR("PSP load tmr failed!\n");
+ if (psp->pmfw_centralized_cstate_management) {
+ ret = psp_load_smu_fw(psp);
+ if (ret)
return ret;
- }
+ }
+
+ ret = psp_tmr_load(psp);
+ if (ret) {
+ DRM_ERROR("PSP load tmr failed!\n");
+ return ret;
}
return 0;
@@ -1355,7 +1532,7 @@ static int psp_prep_load_ip_fw_cmd_buf(struct amdgpu_firmware_info *ucode,
}
static int psp_execute_np_fw_load(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode)
+ struct amdgpu_firmware_info *ucode)
{
int ret = 0;
@@ -1369,64 +1546,96 @@ static int psp_execute_np_fw_load(struct psp_context *psp,
return ret;
}
+static int psp_load_smu_fw(struct psp_context *psp)
+{
+ int ret;
+ struct amdgpu_device* adev = psp->adev;
+ struct amdgpu_firmware_info *ucode =
+ &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
+ struct amdgpu_ras *ras = psp->ras.ras;
+
+ if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
+ return 0;
+
+
+ if (adev->in_gpu_reset && ras && ras->supported) {
+ ret = amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_UNLOAD);
+ if (ret) {
+ DRM_WARN("Failed to set MP1 state prepare for reload\n");
+ }
+ }
+
+ ret = psp_execute_np_fw_load(psp, ucode);
+
+ if (ret)
+ DRM_ERROR("PSP load smu failed!\n");
+
+ return ret;
+}
+
+static bool fw_load_skip_check(struct psp_context *psp,
+ struct amdgpu_firmware_info *ucode)
+{
+ if (!ucode->fw)
+ return true;
+
+ if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
+ (psp_smu_reload_quirk(psp) ||
+ psp->autoload_supported ||
+ psp->pmfw_centralized_cstate_management))
+ return true;
+
+ if (amdgpu_sriov_vf(psp->adev) &&
+ (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA4
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA5
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA6
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA7
+ || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G
+ || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL
+ || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM
+ || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM
+ || ucode->ucode_id == AMDGPU_UCODE_ID_SMC))
+ /*skip ucode loading in SRIOV VF */
+ return true;
+
+ if (psp->autoload_supported &&
+ (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
+ ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT))
+ /* skip mec JT when autoload is enabled */
+ return true;
+
+ return false;
+}
+
static int psp_np_fw_load(struct psp_context *psp)
{
int i, ret;
struct amdgpu_firmware_info *ucode;
struct amdgpu_device* adev = psp->adev;
- if (psp->autoload_supported ||
- psp->pmfw_centralized_cstate_management) {
- ucode = &adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
- if (!ucode->fw || amdgpu_sriov_vf(adev))
- goto out;
-
- ret = psp_execute_np_fw_load(psp, ucode);
+ if (psp->autoload_supported &&
+ !psp->pmfw_centralized_cstate_management) {
+ ret = psp_load_smu_fw(psp);
if (ret)
return ret;
}
- if (psp->pmfw_centralized_cstate_management) {
- ret = psp_tmr_load(psp);
- if (ret) {
- DRM_ERROR("PSP load tmr failed!\n");
- return ret;
- }
- }
-
-out:
for (i = 0; i < adev->firmware.max_ucodes; i++) {
ucode = &adev->firmware.ucode[i];
- if (!ucode->fw)
- continue;
if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
- (psp_smu_reload_quirk(psp) ||
- psp->autoload_supported ||
- psp->pmfw_centralized_cstate_management))
- continue;
-
- if (amdgpu_sriov_vf(adev) &&
- (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA4
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA5
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA6
- || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA7
- || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G
- || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL
- || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM
- || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM
- || ucode->ucode_id == AMDGPU_UCODE_ID_SMC))
- /*skip ucode loading in SRIOV VF */
+ !fw_load_skip_check(psp, ucode)) {
+ ret = psp_load_smu_fw(psp);
+ if (ret)
+ return ret;
continue;
+ }
- if (psp->autoload_supported &&
- (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
- ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT))
- /* skip mec JT when autoload is enabled */
+ if (fw_load_skip_check(psp, ucode))
continue;
psp_print_fw_hdr(psp, ucode);
@@ -1438,17 +1647,12 @@ out:
/* Start rlc autoload after psp recieved all the gfx firmware */
if (psp->autoload_supported && ucode->ucode_id == (amdgpu_sriov_vf(adev) ?
AMDGPU_UCODE_ID_CP_MEC2 : AMDGPU_UCODE_ID_RLC_G)) {
- ret = psp_rlc_autoload(psp);
+ ret = psp_rlc_autoload_start(psp);
if (ret) {
DRM_ERROR("Failed to start rlc autoload\n");
return ret;
}
}
-#if 0
- /* check if firmware loaded sucessfully */
- if (!amdgpu_psp_check_fw_loading_status(adev, i))
- return -EINVAL;
-#endif
}
return 0;
@@ -1806,19 +2010,110 @@ int psp_ring_cmd_submit(struct psp_context *psp,
return 0;
}
-static bool psp_check_fw_loading_status(struct amdgpu_device *adev,
- enum AMDGPU_UCODE_ID ucode_type)
+int psp_init_asd_microcode(struct psp_context *psp,
+ const char *chip_name)
{
- struct amdgpu_firmware_info *ucode = NULL;
+ struct amdgpu_device *adev = psp->adev;
+ char fw_name[30];
+ const struct psp_firmware_header_v1_0 *asd_hdr;
+ int err = 0;
- if (!adev->firmware.fw_size)
- return false;
+ if (!chip_name) {
+ dev_err(adev->dev, "invalid chip name for asd microcode\n");
+ return -EINVAL;
+ }
- ucode = &adev->firmware.ucode[ucode_type];
- if (!ucode->fw || !ucode->ucode_size)
- return false;
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
+ err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
+ if (err)
+ goto out;
+
+ err = amdgpu_ucode_validate(adev->psp.asd_fw);
+ if (err)
+ goto out;
+
+ asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
+ adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
+ adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
+ adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
+ adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
+ le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
+ return 0;
+out:
+ dev_err(adev->dev, "fail to initialize asd microcode\n");
+ release_firmware(adev->psp.asd_fw);
+ adev->psp.asd_fw = NULL;
+ return err;
+}
+
+int psp_init_sos_microcode(struct psp_context *psp,
+ const char *chip_name)
+{
+ struct amdgpu_device *adev = psp->adev;
+ char fw_name[30];
+ const struct psp_firmware_header_v1_0 *sos_hdr;
+ const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
+ const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;
+ int err = 0;
+
+ if (!chip_name) {
+ dev_err(adev->dev, "invalid chip name for sos microcode\n");
+ return -EINVAL;
+ }
+
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
+ err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
+ if (err)
+ goto out;
+
+ err = amdgpu_ucode_validate(adev->psp.sos_fw);
+ if (err)
+ goto out;
+
+ sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
+ amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
+
+ switch (sos_hdr->header.header_version_major) {
+ case 1:
+ adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
+ adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);
+ adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);
+ adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);
+ adev->psp.sys_start_addr = (uint8_t *)sos_hdr +
+ le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
+ adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+ le32_to_cpu(sos_hdr->sos_offset_bytes);
+ if (sos_hdr->header.header_version_minor == 1) {
+ sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
+ adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);
+ adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+ le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);
+ adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_1->kdb_size_bytes);
+ adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+ le32_to_cpu(sos_hdr_v1_1->kdb_offset_bytes);
+ }
+ if (sos_hdr->header.header_version_minor == 2) {
+ sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;
+ adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_2->kdb_size_bytes);
+ adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+ le32_to_cpu(sos_hdr_v1_2->kdb_offset_bytes);
+ }
+ break;
+ default:
+ dev_err(adev->dev,
+ "unsupported psp sos firmware\n");
+ err = -EINVAL;
+ goto out;
+ }
+
+ return 0;
+out:
+ dev_err(adev->dev,
+ "failed to init sos firmware\n");
+ release_firmware(adev->psp.sos_fw);
+ adev->psp.sos_fw = NULL;
- return psp_compare_sram_data(&adev->psp, ucode, ucode_type);
+ return err;
}
static int psp_set_clockgating_state(void *handle,
@@ -1957,16 +2252,6 @@ static void psp_sysfs_fini(struct amdgpu_device *adev)
device_remove_file(adev->dev, &dev_attr_usbc_pd_fw);
}
-static const struct amdgpu_psp_funcs psp_funcs = {
- .check_fw_loading_status = psp_check_fw_loading_status,
-};
-
-static void psp_set_funcs(struct amdgpu_device *adev)
-{
- if (NULL == adev->firmware.funcs)
- adev->firmware.funcs = &psp_funcs;
-}
-
const struct amdgpu_ip_block_version psp_v3_1_ip_block =
{
.type = AMD_IP_BLOCK_TYPE_PSP,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 297435c0c7c1..2a56ad996d83 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -93,22 +93,8 @@ struct psp_funcs
enum psp_ring_type ring_type);
int (*ring_destroy)(struct psp_context *psp,
enum psp_ring_type ring_type);
- bool (*compare_sram_data)(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode,
- enum AMDGPU_UCODE_ID ucode_type);
bool (*smu_reload_quirk)(struct psp_context *psp);
int (*mode1_reset)(struct psp_context *psp);
- int (*xgmi_get_node_id)(struct psp_context *psp, uint64_t *node_id);
- int (*xgmi_get_hive_id)(struct psp_context *psp, uint64_t *hive_id);
- int (*xgmi_get_topology_info)(struct psp_context *psp, int number_devices,
- struct psp_xgmi_topology_info *topology);
- int (*xgmi_set_topology_info)(struct psp_context *psp, int number_devices,
- struct psp_xgmi_topology_info *topology);
- bool (*support_vmr_ring)(struct psp_context *psp);
- int (*ras_trigger_error)(struct psp_context *psp,
- struct ta_ras_trigger_error_input *info);
- int (*ras_cure_posion)(struct psp_context *psp, uint64_t *mode_ptr);
- int (*rlc_autoload_start)(struct psp_context *psp);
int (*mem_training_init)(struct psp_context *psp);
void (*mem_training_fini)(struct psp_context *psp);
int (*mem_training)(struct psp_context *psp, uint32_t ops);
@@ -161,6 +147,7 @@ struct psp_hdcp_context {
struct amdgpu_bo *hdcp_shared_bo;
uint64_t hdcp_shared_mc_addr;
void *hdcp_shared_buf;
+ struct mutex mutex;
};
struct psp_dtm_context {
@@ -169,6 +156,7 @@ struct psp_dtm_context {
struct amdgpu_bo *dtm_shared_bo;
uint64_t dtm_shared_mc_addr;
void *dtm_shared_buf;
+ struct mutex mutex;
};
#define MEM_TRAIN_SYSTEM_SIGNATURE 0x54534942
@@ -306,8 +294,6 @@ struct amdgpu_psp_funcs {
#define psp_ring_create(psp, type) (psp)->funcs->ring_create((psp), (type))
#define psp_ring_stop(psp, type) (psp)->funcs->ring_stop((psp), (type))
#define psp_ring_destroy(psp, type) ((psp)->funcs->ring_destroy((psp), (type)))
-#define psp_compare_sram_data(psp, ucode, type) \
- (psp)->funcs->compare_sram_data((psp), (ucode), (type))
#define psp_init_microcode(psp) \
((psp)->funcs->init_microcode ? (psp)->funcs->init_microcode((psp)) : 0)
#define psp_bootloader_load_kdb(psp) \
@@ -318,22 +304,8 @@ struct amdgpu_psp_funcs {
((psp)->funcs->bootloader_load_sos ? (psp)->funcs->bootloader_load_sos((psp)) : 0)
#define psp_smu_reload_quirk(psp) \
((psp)->funcs->smu_reload_quirk ? (psp)->funcs->smu_reload_quirk((psp)) : false)
-#define psp_support_vmr_ring(psp) \
- ((psp)->funcs->support_vmr_ring ? (psp)->funcs->support_vmr_ring((psp)) : false)
#define psp_mode1_reset(psp) \
((psp)->funcs->mode1_reset ? (psp)->funcs->mode1_reset((psp)) : false)
-#define psp_xgmi_get_node_id(psp, node_id) \
- ((psp)->funcs->xgmi_get_node_id ? (psp)->funcs->xgmi_get_node_id((psp), (node_id)) : -EINVAL)
-#define psp_xgmi_get_hive_id(psp, hive_id) \
- ((psp)->funcs->xgmi_get_hive_id ? (psp)->funcs->xgmi_get_hive_id((psp), (hive_id)) : -EINVAL)
-#define psp_xgmi_get_topology_info(psp, num_device, topology) \
- ((psp)->funcs->xgmi_get_topology_info ? \
- (psp)->funcs->xgmi_get_topology_info((psp), (num_device), (topology)) : -EINVAL)
-#define psp_xgmi_set_topology_info(psp, num_device, topology) \
- ((psp)->funcs->xgmi_set_topology_info ? \
- (psp)->funcs->xgmi_set_topology_info((psp), (num_device), (topology)) : -EINVAL)
-#define psp_rlc_autoload(psp) \
- ((psp)->funcs->rlc_autoload_start ? (psp)->funcs->rlc_autoload_start((psp)) : 0)
#define psp_mem_training_init(psp) \
((psp)->funcs->mem_training_init ? (psp)->funcs->mem_training_init((psp)) : 0)
#define psp_mem_training_fini(psp) \
@@ -341,15 +313,6 @@ struct amdgpu_psp_funcs {
#define psp_mem_training(psp, ops) \
((psp)->funcs->mem_training ? (psp)->funcs->mem_training((psp), (ops)) : 0)
-#define amdgpu_psp_check_fw_loading_status(adev, i) (adev)->firmware.funcs->check_fw_loading_status((adev), (i))
-
-#define psp_ras_trigger_error(psp, info) \
- ((psp)->funcs->ras_trigger_error ? \
- (psp)->funcs->ras_trigger_error((psp), (info)) : -EINVAL)
-#define psp_ras_cure_posion(psp, addr) \
- ((psp)->funcs->ras_cure_posion ? \
- (psp)->funcs->ras_cure_posion(psp, (addr)) : -EINVAL)
-
#define psp_ring_get_wptr(psp) (psp)->funcs->ring_get_wptr((psp))
#define psp_ring_set_wptr(psp, value) (psp)->funcs->ring_set_wptr((psp), (value))
@@ -377,10 +340,21 @@ int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
int psp_xgmi_initialize(struct psp_context *psp);
int psp_xgmi_terminate(struct psp_context *psp);
int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
+int psp_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id);
+int psp_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id);
+int psp_xgmi_get_topology_info(struct psp_context *psp,
+ int number_devices,
+ struct psp_xgmi_topology_info *topology);
+int psp_xgmi_set_topology_info(struct psp_context *psp,
+ int number_devices,
+ struct psp_xgmi_topology_info *topology);
int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_ras_enable_features(struct psp_context *psp,
union ta_ras_cmd_input *info, bool enable);
+int psp_ras_trigger_error(struct psp_context *psp,
+ struct ta_ras_trigger_error_input *info);
+
int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
@@ -393,4 +367,8 @@ int psp_ring_cmd_submit(struct psp_context *psp,
uint64_t cmd_buf_mc_addr,
uint64_t fence_mc_addr,
int index);
+int psp_init_asd_microcode(struct psp_context *psp,
+ const char *chip_name);
+int psp_init_sos_microcode(struct psp_context *psp,
+ const char *chip_name);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index ab379b44679c..50fe08bf2f72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -80,6 +80,20 @@ atomic_t amdgpu_ras_in_intr = ATOMIC_INIT(0);
static bool amdgpu_ras_check_bad_page(struct amdgpu_device *adev,
uint64_t addr);
+void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready)
+{
+ if (adev && amdgpu_ras_get_context(adev))
+ amdgpu_ras_get_context(adev)->error_query_ready = ready;
+}
+
+bool amdgpu_ras_get_error_query_ready(struct amdgpu_device *adev)
+{
+ if (adev && amdgpu_ras_get_context(adev))
+ return amdgpu_ras_get_context(adev)->error_query_ready;
+
+ return false;
+}
+
static ssize_t amdgpu_ras_debugfs_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
@@ -281,8 +295,9 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
struct ras_debug_if data;
int ret = 0;
- if (amdgpu_ras_intr_triggered()) {
- DRM_WARN("RAS WARN: error injection currently inaccessible\n");
+ if (!amdgpu_ras_get_error_query_ready(adev)) {
+ dev_warn(adev->dev, "RAS WARN: error injection "
+ "currently inaccessible\n");
return size;
}
@@ -310,7 +325,8 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file *f, const char __user *
/* umc ce/ue error injection for a bad page is not allowed */
if ((data.head.block == AMDGPU_RAS_BLOCK__UMC) &&
amdgpu_ras_check_bad_page(adev, data.inject.address)) {
- DRM_WARN("RAS WARN: 0x%llx has been marked as bad before error injection!\n",
+ dev_warn(adev->dev, "RAS WARN: 0x%llx has been marked "
+ "as bad before error injection!\n",
data.inject.address);
break;
}
@@ -399,7 +415,7 @@ static ssize_t amdgpu_ras_sysfs_read(struct device *dev,
.head = obj->head,
};
- if (amdgpu_ras_intr_triggered())
+ if (!amdgpu_ras_get_error_query_ready(obj->adev))
return snprintf(buf, PAGE_SIZE,
"Query currently inaccessible\n");
@@ -486,6 +502,29 @@ struct ras_manager *amdgpu_ras_find_obj(struct amdgpu_device *adev,
}
/* obj end */
+void amdgpu_ras_parse_status_code(struct amdgpu_device* adev,
+ const char* invoke_type,
+ const char* block_name,
+ enum ta_ras_status ret)
+{
+ switch (ret) {
+ case TA_RAS_STATUS__SUCCESS:
+ return;
+ case TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE:
+ dev_warn(adev->dev,
+ "RAS WARN: %s %s currently unavailable\n",
+ invoke_type,
+ block_name);
+ break;
+ default:
+ dev_err(adev->dev,
+ "RAS ERROR: %s %s error failed ret 0x%X\n",
+ invoke_type,
+ block_name,
+ ret);
+ }
+}
+
/* feature ctl begin */
static int amdgpu_ras_is_feature_allowed(struct amdgpu_device *adev,
struct ras_common_if *head)
@@ -549,19 +588,23 @@ int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
struct ras_common_if *head, bool enable)
{
struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
- union ta_ras_cmd_input info;
+ union ta_ras_cmd_input *info;
int ret;
if (!con)
return -EINVAL;
+ info = kzalloc(sizeof(union ta_ras_cmd_input), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
if (!enable) {
- info.disable_features = (struct ta_ras_disable_features_input) {
+ info->disable_features = (struct ta_ras_disable_features_input) {
.block_id = amdgpu_ras_block_to_ta(head->block),
.error_type = amdgpu_ras_error_to_ta(head->type),
};
} else {
- info.enable_features = (struct ta_ras_enable_features_input) {
+ info->enable_features = (struct ta_ras_enable_features_input) {
.block_id = amdgpu_ras_block_to_ta(head->block),
.error_type = amdgpu_ras_error_to_ta(head->type),
};
@@ -570,26 +613,33 @@ int amdgpu_ras_feature_enable(struct amdgpu_device *adev,
/* Do not enable if it is not allowed. */
WARN_ON(enable && !amdgpu_ras_is_feature_allowed(adev, head));
/* Are we alerady in that state we are going to set? */
- if (!(!!enable ^ !!amdgpu_ras_is_feature_enabled(adev, head)))
- return 0;
+ if (!(!!enable ^ !!amdgpu_ras_is_feature_enabled(adev, head))) {
+ ret = 0;
+ goto out;
+ }
if (!amdgpu_ras_intr_triggered()) {
- ret = psp_ras_enable_features(&adev->psp, &info, enable);
+ ret = psp_ras_enable_features(&adev->psp, info, enable);
if (ret) {
- DRM_ERROR("RAS ERROR: %s %s feature failed ret %d\n",
- enable ? "enable":"disable",
- ras_block_str(head->block),
- ret);
+ amdgpu_ras_parse_status_code(adev,
+ enable ? "enable":"disable",
+ ras_block_str(head->block),
+ (enum ta_ras_status)ret);
if (ret == TA_RAS_STATUS__RESET_NEEDED)
- return -EAGAIN;
- return -EINVAL;
+ ret = -EAGAIN;
+ else
+ ret = -EINVAL;
+
+ goto out;
}
}
/* setup the obj */
__amdgpu_ras_feature_enable(adev, head, enable);
-
- return 0;
+ ret = 0;
+out:
+ kfree(info);
+ return ret;
}
/* Only used in device probe stage and called only once. */
@@ -618,7 +668,8 @@ int amdgpu_ras_feature_enable_on_boot(struct amdgpu_device *adev,
if (ret == -EINVAL) {
ret = __amdgpu_ras_feature_enable(adev, head, 1);
if (!ret)
- DRM_INFO("RAS INFO: %s setup object\n",
+ dev_info(adev->dev,
+ "RAS INFO: %s setup object\n",
ras_block_str(head->block));
}
} else {
@@ -744,17 +795,48 @@ int amdgpu_ras_error_query(struct amdgpu_device *adev,
info->ce_count = obj->err_data.ce_count;
if (err_data.ce_count) {
- dev_info(adev->dev, "%ld correctable errors detected in %s block\n",
- obj->err_data.ce_count, ras_block_str(info->head.block));
+ dev_info(adev->dev, "%ld correctable hardware errors "
+ "detected in %s block, no user "
+ "action is needed.\n",
+ obj->err_data.ce_count,
+ ras_block_str(info->head.block));
}
if (err_data.ue_count) {
- dev_info(adev->dev, "%ld uncorrectable errors detected in %s block\n",
- obj->err_data.ue_count, ras_block_str(info->head.block));
+ dev_info(adev->dev, "%ld uncorrectable hardware errors "
+ "detected in %s block\n",
+ obj->err_data.ue_count,
+ ras_block_str(info->head.block));
}
return 0;
}
+/* Trigger XGMI/WAFL error */
+int amdgpu_ras_error_inject_xgmi(struct amdgpu_device *adev,
+ struct ta_ras_trigger_error_input *block_info)
+{
+ int ret;
+
+ if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+ dev_warn(adev->dev, "Failed to disallow df cstate");
+
+ if (amdgpu_dpm_allow_xgmi_power_down(adev, false))
+ dev_warn(adev->dev, "Failed to disallow XGMI power down");
+
+ ret = psp_ras_trigger_error(&adev->psp, block_info);
+
+ if (amdgpu_ras_intr_triggered())
+ return ret;
+
+ if (amdgpu_dpm_allow_xgmi_power_down(adev, true))
+ dev_warn(adev->dev, "Failed to allow XGMI power down");
+
+ if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+ dev_warn(adev->dev, "Failed to allow df cstate");
+
+ return ret;
+}
+
/* wrapper of psp_ras_trigger_error */
int amdgpu_ras_error_inject(struct amdgpu_device *adev,
struct ras_inject_if *info)
@@ -788,20 +870,22 @@ int amdgpu_ras_error_inject(struct amdgpu_device *adev,
break;
case AMDGPU_RAS_BLOCK__UMC:
case AMDGPU_RAS_BLOCK__MMHUB:
- case AMDGPU_RAS_BLOCK__XGMI_WAFL:
case AMDGPU_RAS_BLOCK__PCIE_BIF:
ret = psp_ras_trigger_error(&adev->psp, &block_info);
break;
+ case AMDGPU_RAS_BLOCK__XGMI_WAFL:
+ ret = amdgpu_ras_error_inject_xgmi(adev, &block_info);
+ break;
default:
- DRM_INFO("%s error injection is not supported yet\n",
+ dev_info(adev->dev, "%s error injection is not supported yet\n",
ras_block_str(info->head.block));
ret = -EINVAL;
}
- if (ret)
- DRM_ERROR("RAS ERROR: inject %s error failed ret %d\n",
- ras_block_str(info->head.block),
- ret);
+ amdgpu_ras_parse_status_code(adev,
+ "inject",
+ ras_block_str(info->head.block),
+ (enum ta_ras_status)ret);
return ret;
}
@@ -1430,9 +1514,10 @@ static void amdgpu_ras_do_recovery(struct work_struct *work)
struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, false);
/* Build list of devices to query RAS related errors */
- if (hive && adev->gmc.xgmi.num_physical_nodes > 1) {
+ if (hive && adev->gmc.xgmi.num_physical_nodes > 1)
device_list_handle = &hive->device_list;
- } else {
+ else {
+ INIT_LIST_HEAD(&device_list);
list_add_tail(&adev->gmc.xgmi.head, &device_list);
device_list_handle = &device_list;
}
@@ -1535,7 +1620,7 @@ static int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev)
&data->bps[control->num_recs],
true,
save_count)) {
- DRM_ERROR("Failed to save EEPROM table data!");
+ dev_err(adev->dev, "Failed to save EEPROM table data!");
return -EIO;
}
@@ -1563,7 +1648,7 @@ static int amdgpu_ras_load_bad_pages(struct amdgpu_device *adev)
if (amdgpu_ras_eeprom_process_recods(control, bps, false,
control->num_recs)) {
- DRM_ERROR("Failed to load EEPROM table records!");
+ dev_err(adev->dev, "Failed to load EEPROM table records!");
ret = -EIO;
goto out;
}
@@ -1637,7 +1722,8 @@ int amdgpu_ras_reserve_bad_pages(struct amdgpu_device *adev)
AMDGPU_GPU_PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&bo, NULL))
- DRM_WARN("RAS WARN: reserve vram for retired page %llx fail\n", bp);
+ dev_warn(adev->dev, "RAS WARN: reserve vram for "
+ "retired page %llx fail\n", bp);
data->bps_bo[i] = bo;
data->last_reserved = i + 1;
@@ -1725,7 +1811,7 @@ free:
kfree(*data);
con->eh_data = NULL;
out:
- DRM_WARN("Failed to initialize ras recovery!\n");
+ dev_warn(adev->dev, "Failed to initialize ras recovery!\n");
return ret;
}
@@ -1787,18 +1873,18 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev,
return;
if (amdgpu_atomfirmware_mem_ecc_supported(adev)) {
- DRM_INFO("HBM ECC is active.\n");
+ dev_info(adev->dev, "HBM ECC is active.\n");
*hw_supported |= (1 << AMDGPU_RAS_BLOCK__UMC |
1 << AMDGPU_RAS_BLOCK__DF);
} else
- DRM_INFO("HBM ECC is not presented.\n");
+ dev_info(adev->dev, "HBM ECC is not presented.\n");
if (amdgpu_atomfirmware_sram_ecc_supported(adev)) {
- DRM_INFO("SRAM ECC is active.\n");
+ dev_info(adev->dev, "SRAM ECC is active.\n");
*hw_supported |= ~(1 << AMDGPU_RAS_BLOCK__UMC |
1 << AMDGPU_RAS_BLOCK__DF);
} else
- DRM_INFO("SRAM ECC is not presented.\n");
+ dev_info(adev->dev, "SRAM ECC is not presented.\n");
/* hw_supported needs to be aligned with RAS block mask. */
*hw_supported &= AMDGPU_RAS_BLOCK_MASK;
@@ -1855,7 +1941,7 @@ int amdgpu_ras_init(struct amdgpu_device *adev)
if (amdgpu_ras_fs_init(adev))
goto fs_out;
- DRM_INFO("RAS INFO: ras initialized successfully, "
+ dev_info(adev->dev, "RAS INFO: ras initialized successfully, "
"hardware ability[%x] ras_mask[%x]\n",
con->hw_supported, con->supported);
return 0;
@@ -2037,7 +2123,8 @@ void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev)
return;
if (atomic_cmpxchg(&amdgpu_ras_in_intr, 0, 1) == 0) {
- DRM_WARN("RAS event of type ERREVENT_ATHUB_INTERRUPT detected!\n");
+ dev_info(adev->dev, "uncorrectable hardware error"
+ "(ERREVENT_ATHUB_INTERRUPT) detected!\n");
amdgpu_ras_reset_gpu(adev);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
index 55c3eceb390d..e7df5d8429f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.h
@@ -334,6 +334,8 @@ struct amdgpu_ras {
uint32_t flags;
bool reboot;
struct amdgpu_ras_eeprom_control eeprom_control;
+
+ bool error_query_ready;
};
struct ras_fs_data {
@@ -629,4 +631,6 @@ static inline void amdgpu_ras_intr_cleared(void)
void amdgpu_ras_global_ras_isr(struct amdgpu_device *adev);
+void amdgpu_ras_set_error_query_ready(struct amdgpu_device *adev, bool ready);
+
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index a7e1d0425ed0..13ea8ebc421c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -162,11 +162,13 @@ void amdgpu_ring_undo(struct amdgpu_ring *ring)
* Returns 0 on success, error on failure.
*/
int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
- unsigned max_dw, struct amdgpu_irq_src *irq_src,
- unsigned irq_type)
+ unsigned int max_dw, struct amdgpu_irq_src *irq_src,
+ unsigned int irq_type, unsigned int hw_prio)
{
int r, i;
int sched_hw_submission = amdgpu_sched_hw_submission;
+ u32 *num_sched;
+ u32 hw_ip;
/* Set the hw submission limit higher for KIQ because
* it's used for a number of gfx/compute tasks by both
@@ -258,6 +260,13 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
ring->priority = DRM_SCHED_PRIORITY_NORMAL;
mutex_init(&ring->priority_mutex);
+ if (!ring->no_scheduler) {
+ hw_ip = ring->funcs->type;
+ num_sched = &adev->gpu_sched[hw_ip][hw_prio].num_scheds;
+ adev->gpu_sched[hw_ip][hw_prio].sched[(*num_sched)++] =
+ &ring->sched;
+ }
+
for (i = 0; i < DRM_SCHED_PRIORITY_MAX; ++i)
atomic_set(&ring->num_jobs[i], 0);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 9a443013d70d..be218754629a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -30,11 +30,15 @@
/* max number of rings */
#define AMDGPU_MAX_RINGS 28
+#define AMDGPU_MAX_HWIP_RINGS 8
#define AMDGPU_MAX_GFX_RINGS 2
#define AMDGPU_MAX_COMPUTE_RINGS 8
#define AMDGPU_MAX_VCE_RINGS 3
#define AMDGPU_MAX_UVD_ENC_RINGS 2
+#define AMDGPU_RING_PRIO_DEFAULT 1
+#define AMDGPU_RING_PRIO_MAX AMDGPU_GFX_PIPE_PRIO_MAX
+
/* some special values for the owner field */
#define AMDGPU_FENCE_OWNER_UNDEFINED ((void *)0ul)
#define AMDGPU_FENCE_OWNER_VM ((void *)1ul)
@@ -46,17 +50,30 @@
#define to_amdgpu_ring(s) container_of((s), struct amdgpu_ring, sched)
+#define AMDGPU_IB_POOL_SIZE (1024 * 1024)
+
enum amdgpu_ring_type {
- AMDGPU_RING_TYPE_GFX,
- AMDGPU_RING_TYPE_COMPUTE,
- AMDGPU_RING_TYPE_SDMA,
- AMDGPU_RING_TYPE_UVD,
- AMDGPU_RING_TYPE_VCE,
- AMDGPU_RING_TYPE_KIQ,
- AMDGPU_RING_TYPE_UVD_ENC,
- AMDGPU_RING_TYPE_VCN_DEC,
- AMDGPU_RING_TYPE_VCN_ENC,
- AMDGPU_RING_TYPE_VCN_JPEG
+ AMDGPU_RING_TYPE_GFX = AMDGPU_HW_IP_GFX,
+ AMDGPU_RING_TYPE_COMPUTE = AMDGPU_HW_IP_COMPUTE,
+ AMDGPU_RING_TYPE_SDMA = AMDGPU_HW_IP_DMA,
+ AMDGPU_RING_TYPE_UVD = AMDGPU_HW_IP_UVD,
+ AMDGPU_RING_TYPE_VCE = AMDGPU_HW_IP_VCE,
+ AMDGPU_RING_TYPE_UVD_ENC = AMDGPU_HW_IP_UVD_ENC,
+ AMDGPU_RING_TYPE_VCN_DEC = AMDGPU_HW_IP_VCN_DEC,
+ AMDGPU_RING_TYPE_VCN_ENC = AMDGPU_HW_IP_VCN_ENC,
+ AMDGPU_RING_TYPE_VCN_JPEG = AMDGPU_HW_IP_VCN_JPEG,
+ AMDGPU_RING_TYPE_KIQ
+};
+
+enum amdgpu_ib_pool_type {
+ /* Normal submissions to the top of the pipeline. */
+ AMDGPU_IB_POOL_DELAYED,
+ /* Immediate submissions to the bottom of the pipeline. */
+ AMDGPU_IB_POOL_IMMEDIATE,
+ /* Direct submission to the ring buffer during init and reset. */
+ AMDGPU_IB_POOL_DIRECT,
+
+ AMDGPU_IB_POOL_MAX
};
struct amdgpu_device;
@@ -65,6 +82,11 @@ struct amdgpu_ib;
struct amdgpu_cs_parser;
struct amdgpu_job;
+struct amdgpu_sched {
+ u32 num_scheds;
+ struct drm_gpu_scheduler *sched[AMDGPU_MAX_HWIP_RINGS];
+};
+
/*
* Fences.
*/
@@ -96,7 +118,8 @@ void amdgpu_fence_driver_suspend(struct amdgpu_device *adev);
void amdgpu_fence_driver_resume(struct amdgpu_device *adev);
int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence,
unsigned flags);
-int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s);
+int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s,
+ uint32_t timeout);
bool amdgpu_fence_process(struct amdgpu_ring *ring);
int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring,
@@ -159,17 +182,20 @@ struct amdgpu_ring_funcs {
void (*end_use)(struct amdgpu_ring *ring);
void (*emit_switch_buffer) (struct amdgpu_ring *ring);
void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags);
- void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg);
+ void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t reg_val_offs);
void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val);
void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val, uint32_t mask);
void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring,
uint32_t reg0, uint32_t reg1,
uint32_t ref, uint32_t mask);
- void (*emit_tmz)(struct amdgpu_ring *ring, bool start);
+ void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start,
+ bool secure);
/* Try to soft recover the ring to make the fence signal */
void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid);
int (*preempt_ib)(struct amdgpu_ring *ring);
+ void (*emit_mem_sync)(struct amdgpu_ring *ring);
};
struct amdgpu_ring {
@@ -214,12 +240,12 @@ struct amdgpu_ring {
unsigned vm_inv_eng;
struct dma_fence *vmid_wait;
bool has_compute_vm_bug;
+ bool no_scheduler;
atomic_t num_jobs[DRM_SCHED_PRIORITY_MAX];
struct mutex priority_mutex;
/* protected by priority_mutex */
int priority;
- bool has_high_prio;
#if defined(CONFIG_DEBUG_FS)
struct dentry *ent;
@@ -241,11 +267,11 @@ struct amdgpu_ring {
#define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r))
#define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r))
#define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d))
-#define amdgpu_ring_emit_rreg(r, d) (r)->funcs->emit_rreg((r), (d))
+#define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o))
#define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v))
#define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m))
#define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m))
-#define amdgpu_ring_emit_tmz(r, b) (r)->funcs->emit_tmz((r), (b))
+#define amdgpu_ring_emit_frame_cntl(r, b, s) (r)->funcs->emit_frame_cntl((r), (b), (s))
#define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib)))
#define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r))
#define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o))
@@ -257,8 +283,8 @@ void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib);
void amdgpu_ring_commit(struct amdgpu_ring *ring);
void amdgpu_ring_undo(struct amdgpu_ring *ring);
int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
- unsigned ring_size, struct amdgpu_irq_src *irq_src,
- unsigned irq_type);
+ unsigned int ring_size, struct amdgpu_irq_src *irq_src,
+ unsigned int irq_type, unsigned int prio);
void amdgpu_ring_fini(struct amdgpu_ring *ring);
void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring,
uint32_t reg0, uint32_t val0,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
index 4b352206354b..e5b8fb8e75c5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -61,8 +61,6 @@ struct amdgpu_sdma_ras_funcs {
struct amdgpu_sdma {
struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
- struct drm_gpu_scheduler *sdma_sched[AMDGPU_MAX_SDMA_INSTANCES];
- uint32_t num_sdma_sched;
struct amdgpu_irq_src trap_irq;
struct amdgpu_irq_src illegal_inst_irq;
struct amdgpu_irq_src ecc_irq;
@@ -91,7 +89,8 @@ struct amdgpu_buffer_funcs {
/* dst addr in bytes */
uint64_t dst_offset,
/* number of byte to transfer */
- uint32_t byte_count);
+ uint32_t byte_count,
+ bool tmz);
/* maximum bytes in a single operation */
uint32_t fill_max_bytes;
@@ -109,7 +108,7 @@ struct amdgpu_buffer_funcs {
uint32_t byte_count);
};
-#define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b))
+#define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b), (t))
#define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
struct amdgpu_sdma_instance *
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index b86392253696..b87ca171986a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -249,6 +249,11 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
owner != AMDGPU_FENCE_OWNER_UNDEFINED)
continue;
+ /* Never sync to VM updates either. */
+ if (fence_owner == AMDGPU_FENCE_OWNER_VM &&
+ owner != AMDGPU_FENCE_OWNER_UNDEFINED)
+ continue;
+
/* Ignore fences depending on the sync mode */
switch (mode) {
case AMDGPU_SYNC_ALWAYS:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
index b158230af8db..2f4d5ca9894f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_test.c
@@ -44,7 +44,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
/* Number of tests =
* (Total GTT - IB pool - writeback page - ring buffers) / test size
*/
- n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE*64*1024;
+ n = adev->gmc.gart_size - AMDGPU_IB_POOL_SIZE;
for (i = 0; i < AMDGPU_MAX_RINGS; ++i)
if (adev->rings[i])
n -= adev->rings[i]->ring_size;
@@ -124,7 +124,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
amdgpu_bo_kunmap(gtt_obj[i]);
r = amdgpu_copy_buffer(ring, gart_addr, vram_addr,
- size, NULL, &fence, false, false);
+ size, NULL, &fence, false, false, false);
if (r) {
DRM_ERROR("Failed GTT->VRAM copy %d\n", i);
@@ -170,7 +170,7 @@ static void amdgpu_do_test_moves(struct amdgpu_device *adev)
amdgpu_bo_kunmap(vram_obj);
r = amdgpu_copy_buffer(ring, vram_addr, gart_addr,
- size, NULL, &fence, false, false);
+ size, NULL, &fence, false, false, false);
if (r) {
DRM_ERROR("Failed VRAM->GTT copy %d\n", i);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
index 63e734a125fb..5da20fc166d9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h
@@ -35,7 +35,7 @@
#define AMDGPU_JOB_GET_TIMELINE_NAME(job) \
job->base.s_fence->finished.ops->get_timeline_name(&job->base.s_fence->finished)
-TRACE_EVENT(amdgpu_mm_rreg,
+TRACE_EVENT(amdgpu_device_rreg,
TP_PROTO(unsigned did, uint32_t reg, uint32_t value),
TP_ARGS(did, reg, value),
TP_STRUCT__entry(
@@ -54,7 +54,7 @@ TRACE_EVENT(amdgpu_mm_rreg,
(unsigned long)__entry->value)
);
-TRACE_EVENT(amdgpu_mm_wreg,
+TRACE_EVENT(amdgpu_device_wreg,
TP_PROTO(unsigned did, uint32_t reg, uint32_t value),
TP_ARGS(did, reg, value),
TP_STRUCT__entry(
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 6309ff72bd78..9cbecd5ba814 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -62,11 +62,6 @@
#define AMDGPU_TTM_VRAM_MAX_DW_READ (size_t)128
-static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
- struct ttm_mem_reg *mem, unsigned num_pages,
- uint64_t offset, unsigned window,
- struct amdgpu_ring *ring,
- uint64_t *addr);
/**
* amdgpu_init_mem_type - Initialize a memory manager for a specific type of
@@ -277,7 +272,7 @@ static uint64_t amdgpu_mm_node_addr(struct ttm_buffer_object *bo,
*
*/
static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem,
- unsigned long *offset)
+ uint64_t *offset)
{
struct drm_mm_node *mm_node = mem->mm_node;
@@ -289,91 +284,191 @@ static struct drm_mm_node *amdgpu_find_mm_node(struct ttm_mem_reg *mem,
}
/**
+ * amdgpu_ttm_map_buffer - Map memory into the GART windows
+ * @bo: buffer object to map
+ * @mem: memory object to map
+ * @mm_node: drm_mm node object to map
+ * @num_pages: number of pages to map
+ * @offset: offset into @mm_node where to start
+ * @window: which GART window to use
+ * @ring: DMA ring to use for the copy
+ * @tmz: if we should setup a TMZ enabled mapping
+ * @addr: resulting address inside the MC address space
+ *
+ * Setup one of the GART windows to access a specific piece of memory or return
+ * the physical address for local memory.
+ */
+static int amdgpu_ttm_map_buffer(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem,
+ struct drm_mm_node *mm_node,
+ unsigned num_pages, uint64_t offset,
+ unsigned window, struct amdgpu_ring *ring,
+ bool tmz, uint64_t *addr)
+{
+ struct amdgpu_device *adev = ring->adev;
+ struct amdgpu_job *job;
+ unsigned num_dw, num_bytes;
+ struct dma_fence *fence;
+ uint64_t src_addr, dst_addr;
+ void *cpu_addr;
+ uint64_t flags;
+ unsigned int i;
+ int r;
+
+ BUG_ON(adev->mman.buffer_funcs->copy_max_bytes <
+ AMDGPU_GTT_MAX_TRANSFER_SIZE * 8);
+
+ /* Map only what can't be accessed directly */
+ if (!tmz && mem->start != AMDGPU_BO_INVALID_OFFSET) {
+ *addr = amdgpu_mm_node_addr(bo, mm_node, mem) + offset;
+ return 0;
+ }
+
+ *addr = adev->gmc.gart_start;
+ *addr += (u64)window * AMDGPU_GTT_MAX_TRANSFER_SIZE *
+ AMDGPU_GPU_PAGE_SIZE;
+ *addr += offset & ~PAGE_MASK;
+
+ num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8);
+ num_bytes = num_pages * 8;
+
+ r = amdgpu_job_alloc_with_ib(adev, num_dw * 4 + num_bytes,
+ AMDGPU_IB_POOL_DELAYED, &job);
+ if (r)
+ return r;
+
+ src_addr = num_dw * 4;
+ src_addr += job->ibs[0].gpu_addr;
+
+ dst_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
+ dst_addr += window * AMDGPU_GTT_MAX_TRANSFER_SIZE * 8;
+ amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr,
+ dst_addr, num_bytes, false);
+
+ amdgpu_ring_pad_ib(ring, &job->ibs[0]);
+ WARN_ON(job->ibs[0].length_dw > num_dw);
+
+ flags = amdgpu_ttm_tt_pte_flags(adev, bo->ttm, mem);
+ if (tmz)
+ flags |= AMDGPU_PTE_TMZ;
+
+ cpu_addr = &job->ibs[0].ptr[num_dw];
+
+ if (mem->mem_type == TTM_PL_TT) {
+ struct ttm_dma_tt *dma;
+ dma_addr_t *dma_address;
+
+ dma = container_of(bo->ttm, struct ttm_dma_tt, ttm);
+ dma_address = &dma->dma_address[offset >> PAGE_SHIFT];
+ r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
+ cpu_addr);
+ if (r)
+ goto error_free;
+ } else {
+ dma_addr_t dma_address;
+
+ dma_address = (mm_node->start << PAGE_SHIFT) + offset;
+ dma_address += adev->vm_manager.vram_base_offset;
+
+ for (i = 0; i < num_pages; ++i) {
+ r = amdgpu_gart_map(adev, i << PAGE_SHIFT, 1,
+ &dma_address, flags, cpu_addr);
+ if (r)
+ goto error_free;
+
+ dma_address += PAGE_SIZE;
+ }
+ }
+
+ r = amdgpu_job_submit(job, &adev->mman.entity,
+ AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
+ if (r)
+ goto error_free;
+
+ dma_fence_put(fence);
+
+ return r;
+
+error_free:
+ amdgpu_job_free(job);
+ return r;
+}
+
+/**
* amdgpu_copy_ttm_mem_to_mem - Helper function for copy
+ * @adev: amdgpu device
+ * @src: buffer/address where to read from
+ * @dst: buffer/address where to write to
+ * @size: number of bytes to copy
+ * @tmz: if a secure copy should be used
+ * @resv: resv object to sync to
+ * @f: Returns the last fence if multiple jobs are submitted.
*
* The function copies @size bytes from {src->mem + src->offset} to
* {dst->mem + dst->offset}. src->bo and dst->bo could be same BO for a
* move and different for a BO to BO copy.
*
- * @f: Returns the last fence if multiple jobs are submitted.
*/
int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
- struct amdgpu_copy_mem *src,
- struct amdgpu_copy_mem *dst,
- uint64_t size,
+ const struct amdgpu_copy_mem *src,
+ const struct amdgpu_copy_mem *dst,
+ uint64_t size, bool tmz,
struct dma_resv *resv,
struct dma_fence **f)
{
+ const uint32_t GTT_MAX_BYTES = (AMDGPU_GTT_MAX_TRANSFER_SIZE *
+ AMDGPU_GPU_PAGE_SIZE);
+
+ uint64_t src_node_size, dst_node_size, src_offset, dst_offset;
struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
struct drm_mm_node *src_mm, *dst_mm;
- uint64_t src_node_start, dst_node_start, src_node_size,
- dst_node_size, src_page_offset, dst_page_offset;
struct dma_fence *fence = NULL;
int r = 0;
- const uint64_t GTT_MAX_BYTES = (AMDGPU_GTT_MAX_TRANSFER_SIZE *
- AMDGPU_GPU_PAGE_SIZE);
if (!adev->mman.buffer_funcs_enabled) {
DRM_ERROR("Trying to move memory with ring turned off.\n");
return -EINVAL;
}
- src_mm = amdgpu_find_mm_node(src->mem, &src->offset);
- src_node_start = amdgpu_mm_node_addr(src->bo, src_mm, src->mem) +
- src->offset;
- src_node_size = (src_mm->size << PAGE_SHIFT) - src->offset;
- src_page_offset = src_node_start & (PAGE_SIZE - 1);
+ src_offset = src->offset;
+ src_mm = amdgpu_find_mm_node(src->mem, &src_offset);
+ src_node_size = (src_mm->size << PAGE_SHIFT) - src_offset;
- dst_mm = amdgpu_find_mm_node(dst->mem, &dst->offset);
- dst_node_start = amdgpu_mm_node_addr(dst->bo, dst_mm, dst->mem) +
- dst->offset;
- dst_node_size = (dst_mm->size << PAGE_SHIFT) - dst->offset;
- dst_page_offset = dst_node_start & (PAGE_SIZE - 1);
+ dst_offset = dst->offset;
+ dst_mm = amdgpu_find_mm_node(dst->mem, &dst_offset);
+ dst_node_size = (dst_mm->size << PAGE_SHIFT) - dst_offset;
mutex_lock(&adev->mman.gtt_window_lock);
while (size) {
- unsigned long cur_size;
- uint64_t from = src_node_start, to = dst_node_start;
+ uint32_t src_page_offset = src_offset & ~PAGE_MASK;
+ uint32_t dst_page_offset = dst_offset & ~PAGE_MASK;
struct dma_fence *next;
+ uint32_t cur_size;
+ uint64_t from, to;
/* Copy size cannot exceed GTT_MAX_BYTES. So if src or dst
* begins at an offset, then adjust the size accordingly
*/
- cur_size = min3(min(src_node_size, dst_node_size), size,
- GTT_MAX_BYTES);
- if (cur_size + src_page_offset > GTT_MAX_BYTES ||
- cur_size + dst_page_offset > GTT_MAX_BYTES)
- cur_size -= max(src_page_offset, dst_page_offset);
-
- /* Map only what needs to be accessed. Map src to window 0 and
- * dst to window 1
- */
- if (src->mem->start == AMDGPU_BO_INVALID_OFFSET) {
- r = amdgpu_map_buffer(src->bo, src->mem,
- PFN_UP(cur_size + src_page_offset),
- src_node_start, 0, ring,
- &from);
- if (r)
- goto error;
- /* Adjust the offset because amdgpu_map_buffer returns
- * start of mapped page
- */
- from += src_page_offset;
- }
+ cur_size = max(src_page_offset, dst_page_offset);
+ cur_size = min(min3(src_node_size, dst_node_size, size),
+ (uint64_t)(GTT_MAX_BYTES - cur_size));
+
+ /* Map src to window 0 and dst to window 1. */
+ r = amdgpu_ttm_map_buffer(src->bo, src->mem, src_mm,
+ PFN_UP(cur_size + src_page_offset),
+ src_offset, 0, ring, tmz, &from);
+ if (r)
+ goto error;
- if (dst->mem->start == AMDGPU_BO_INVALID_OFFSET) {
- r = amdgpu_map_buffer(dst->bo, dst->mem,
- PFN_UP(cur_size + dst_page_offset),
- dst_node_start, 1, ring,
- &to);
- if (r)
- goto error;
- to += dst_page_offset;
- }
+ r = amdgpu_ttm_map_buffer(dst->bo, dst->mem, dst_mm,
+ PFN_UP(cur_size + dst_page_offset),
+ dst_offset, 1, ring, tmz, &to);
+ if (r)
+ goto error;
r = amdgpu_copy_buffer(ring, from, to, cur_size,
- resv, &next, false, true);
+ resv, &next, false, true, tmz);
if (r)
goto error;
@@ -386,23 +481,20 @@ int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
src_node_size -= cur_size;
if (!src_node_size) {
- src_node_start = amdgpu_mm_node_addr(src->bo, ++src_mm,
- src->mem);
- src_node_size = (src_mm->size << PAGE_SHIFT);
- src_page_offset = 0;
+ ++src_mm;
+ src_node_size = src_mm->size << PAGE_SHIFT;
+ src_offset = 0;
} else {
- src_node_start += cur_size;
- src_page_offset = src_node_start & (PAGE_SIZE - 1);
+ src_offset += cur_size;
}
+
dst_node_size -= cur_size;
if (!dst_node_size) {
- dst_node_start = amdgpu_mm_node_addr(dst->bo, ++dst_mm,
- dst->mem);
- dst_node_size = (dst_mm->size << PAGE_SHIFT);
- dst_page_offset = 0;
+ ++dst_mm;
+ dst_node_size = dst_mm->size << PAGE_SHIFT;
+ dst_offset = 0;
} else {
- dst_node_start += cur_size;
- dst_page_offset = dst_node_start & (PAGE_SIZE - 1);
+ dst_offset += cur_size;
}
}
error:
@@ -425,6 +517,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
struct ttm_mem_reg *old_mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bo->bdev);
+ struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo);
struct amdgpu_copy_mem src, dst;
struct dma_fence *fence = NULL;
int r;
@@ -438,14 +531,14 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo,
r = amdgpu_ttm_copy_mem_to_mem(adev, &src, &dst,
new_mem->num_pages << PAGE_SHIFT,
+ amdgpu_bo_encrypted(abo),
bo->base.resv, &fence);
if (r)
goto error;
/* clear the space being freed */
if (old_mem->mem_type == TTM_PL_VRAM &&
- (ttm_to_amdgpu_bo(bo)->flags &
- AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
+ (abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) {
struct dma_fence *wipe_fence = NULL;
r = amdgpu_fill_buffer(ttm_to_amdgpu_bo(bo), AMDGPU_POISON,
@@ -742,8 +835,8 @@ static void amdgpu_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_re
static unsigned long amdgpu_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
unsigned long page_offset)
{
+ uint64_t offset = (page_offset << PAGE_SHIFT);
struct drm_mm_node *mm;
- unsigned long offset = (page_offset << PAGE_SHIFT);
mm = amdgpu_find_mm_node(&bo->mem, &offset);
return (bo->mem.bus.base >> PAGE_SHIFT) + mm->start +
@@ -766,18 +859,6 @@ struct amdgpu_ttm_tt {
};
#ifdef CONFIG_DRM_AMDGPU_USERPTR
-/* flags used by HMM internal, not related to CPU/GPU PTE flags */
-static const uint64_t hmm_range_flags[HMM_PFN_FLAG_MAX] = {
- (1 << 0), /* HMM_PFN_VALID */
- (1 << 1), /* HMM_PFN_WRITE */
-};
-
-static const uint64_t hmm_range_values[HMM_PFN_VALUE_MAX] = {
- 0xfffffffffffffffeUL, /* HMM_PFN_ERROR */
- 0, /* HMM_PFN_NONE */
- 0xfffffffffffffffcUL /* HMM_PFN_SPECIAL */
-};
-
/**
* amdgpu_ttm_tt_get_user_pages - get device accessible pages that back user
* memory and start HMM tracking CPU page table update
@@ -816,18 +897,15 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, struct page **pages)
goto out;
}
range->notifier = &bo->notifier;
- range->flags = hmm_range_flags;
- range->values = hmm_range_values;
- range->pfn_shift = PAGE_SHIFT;
range->start = bo->notifier.interval_tree.start;
range->end = bo->notifier.interval_tree.last + 1;
- range->default_flags = hmm_range_flags[HMM_PFN_VALID];
+ range->default_flags = HMM_PFN_REQ_FAULT;
if (!amdgpu_ttm_tt_is_readonly(ttm))
- range->default_flags |= range->flags[HMM_PFN_WRITE];
+ range->default_flags |= HMM_PFN_REQ_WRITE;
- range->pfns = kvmalloc_array(ttm->num_pages, sizeof(*range->pfns),
- GFP_KERNEL);
- if (unlikely(!range->pfns)) {
+ range->hmm_pfns = kvmalloc_array(ttm->num_pages,
+ sizeof(*range->hmm_pfns), GFP_KERNEL);
+ if (unlikely(!range->hmm_pfns)) {
r = -ENOMEM;
goto out_free_ranges;
}
@@ -852,27 +930,23 @@ retry:
down_read(&mm->mmap_sem);
r = hmm_range_fault(range);
up_read(&mm->mmap_sem);
- if (unlikely(r <= 0)) {
+ if (unlikely(r)) {
/*
* FIXME: This timeout should encompass the retry from
* mmu_interval_read_retry() as well.
*/
- if ((r == 0 || r == -EBUSY) && !time_after(jiffies, timeout))
+ if (r == -EBUSY && !time_after(jiffies, timeout))
goto retry;
goto out_free_pfns;
}
- for (i = 0; i < ttm->num_pages; i++) {
- /* FIXME: The pages cannot be touched outside the notifier_lock */
- pages[i] = hmm_device_entry_to_page(range, range->pfns[i]);
- if (unlikely(!pages[i])) {
- pr_err("Page fault failed for pfn[%lu] = 0x%llx\n",
- i, range->pfns[i]);
- r = -ENOMEM;
-
- goto out_free_pfns;
- }
- }
+ /*
+ * Due to default_flags, all pages are HMM_PFN_VALID or
+ * hmm_range_fault() fails. FIXME: The pages cannot be touched outside
+ * the notifier_lock, and mmu_interval_read_retry() must be done first.
+ */
+ for (i = 0; i < ttm->num_pages; i++)
+ pages[i] = hmm_pfn_to_page(range->hmm_pfns[i]);
gtt->range = range;
mmput(mm);
@@ -882,7 +956,7 @@ retry:
out_unlock:
up_read(&mm->mmap_sem);
out_free_pfns:
- kvfree(range->pfns);
+ kvfree(range->hmm_pfns);
out_free_ranges:
kfree(range);
out:
@@ -907,7 +981,7 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm)
DRM_DEBUG_DRIVER("user_pages_done 0x%llx pages 0x%lx\n",
gtt->userptr, ttm->num_pages);
- WARN_ONCE(!gtt->range || !gtt->range->pfns,
+ WARN_ONCE(!gtt->range || !gtt->range->hmm_pfns,
"No user pages to check\n");
if (gtt->range) {
@@ -917,7 +991,7 @@ bool amdgpu_ttm_tt_get_user_pages_done(struct ttm_tt *ttm)
*/
r = mmu_interval_read_retry(gtt->range->notifier,
gtt->range->notifier_seq);
- kvfree(gtt->range->pfns);
+ kvfree(gtt->range->hmm_pfns);
kfree(gtt->range);
gtt->range = NULL;
}
@@ -1008,8 +1082,7 @@ static void amdgpu_ttm_tt_unpin_userptr(struct ttm_tt *ttm)
for (i = 0; i < ttm->num_pages; i++) {
if (ttm->pages[i] !=
- hmm_device_entry_to_page(gtt->range,
- gtt->range->pfns[i]))
+ hmm_pfn_to_page(gtt->range->hmm_pfns[i]))
break;
}
@@ -1027,6 +1100,9 @@ int amdgpu_ttm_gart_bind(struct amdgpu_device *adev,
struct amdgpu_ttm_tt *gtt = (void *)ttm;
int r;
+ if (amdgpu_bo_encrypted(abo))
+ flags |= AMDGPU_PTE_TMZ;
+
if (abo->flags & AMDGPU_GEM_CREATE_CP_MQD_GFX9) {
uint64_t page_idx = 1;
@@ -1539,6 +1615,9 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
switch (bo->mem.mem_type) {
case TTM_PL_TT:
+ if (amdgpu_bo_is_amdgpu_bo(bo) &&
+ amdgpu_bo_encrypted(ttm_to_amdgpu_bo(bo)))
+ return false;
return true;
case TTM_PL_VRAM:
@@ -1587,8 +1666,9 @@ static int amdgpu_ttm_access_memory(struct ttm_buffer_object *bo,
if (bo->mem.mem_type != TTM_PL_VRAM)
return -EIO;
- nodes = amdgpu_find_mm_node(&abo->tbo.mem, &offset);
- pos = (nodes->start << PAGE_SHIFT) + offset;
+ pos = offset;
+ nodes = amdgpu_find_mm_node(&abo->tbo.mem, &pos);
+ pos += (nodes->start << PAGE_SHIFT);
while (len && pos < adev->gmc.mc_vram_size) {
uint64_t aligned_pos = pos & ~(uint64_t)3;
@@ -1857,17 +1937,19 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
return r;
/*
- * reserve one TMR (64K) memory at the top of VRAM which holds
+ * reserve TMR memory at the top of VRAM which holds
* IP Discovery data and is protected by PSP.
*/
- r = amdgpu_bo_create_kernel_at(adev,
- adev->gmc.real_vram_size - DISCOVERY_TMR_SIZE,
- DISCOVERY_TMR_SIZE,
- AMDGPU_GEM_DOMAIN_VRAM,
- &adev->discovery_memory,
- NULL);
- if (r)
- return r;
+ if (adev->discovery_tmr_size > 0) {
+ r = amdgpu_bo_create_kernel_at(adev,
+ adev->gmc.real_vram_size - adev->discovery_tmr_size,
+ adev->discovery_tmr_size,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->discovery_memory,
+ NULL);
+ if (r)
+ return r;
+ }
DRM_INFO("amdgpu: %uM of VRAM memory ready\n",
(unsigned) (adev->gmc.real_vram_size / (1024 * 1024)));
@@ -2015,75 +2097,14 @@ int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma)
return ttm_bo_mmap(filp, vma, &adev->mman.bdev);
}
-static int amdgpu_map_buffer(struct ttm_buffer_object *bo,
- struct ttm_mem_reg *mem, unsigned num_pages,
- uint64_t offset, unsigned window,
- struct amdgpu_ring *ring,
- uint64_t *addr)
-{
- struct amdgpu_ttm_tt *gtt = (void *)bo->ttm;
- struct amdgpu_device *adev = ring->adev;
- struct ttm_tt *ttm = bo->ttm;
- struct amdgpu_job *job;
- unsigned num_dw, num_bytes;
- dma_addr_t *dma_address;
- struct dma_fence *fence;
- uint64_t src_addr, dst_addr;
- uint64_t flags;
- int r;
-
- BUG_ON(adev->mman.buffer_funcs->copy_max_bytes <
- AMDGPU_GTT_MAX_TRANSFER_SIZE * 8);
-
- *addr = adev->gmc.gart_start;
- *addr += (u64)window * AMDGPU_GTT_MAX_TRANSFER_SIZE *
- AMDGPU_GPU_PAGE_SIZE;
-
- num_dw = ALIGN(adev->mman.buffer_funcs->copy_num_dw, 8);
- num_bytes = num_pages * 8;
-
- r = amdgpu_job_alloc_with_ib(adev, num_dw * 4 + num_bytes, &job);
- if (r)
- return r;
-
- src_addr = num_dw * 4;
- src_addr += job->ibs[0].gpu_addr;
-
- dst_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
- dst_addr += window * AMDGPU_GTT_MAX_TRANSFER_SIZE * 8;
- amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_addr,
- dst_addr, num_bytes);
-
- amdgpu_ring_pad_ib(ring, &job->ibs[0]);
- WARN_ON(job->ibs[0].length_dw > num_dw);
-
- dma_address = &gtt->ttm.dma_address[offset >> PAGE_SHIFT];
- flags = amdgpu_ttm_tt_pte_flags(adev, ttm, mem);
- r = amdgpu_gart_map(adev, 0, num_pages, dma_address, flags,
- &job->ibs[0].ptr[num_dw]);
- if (r)
- goto error_free;
-
- r = amdgpu_job_submit(job, &adev->mman.entity,
- AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
- if (r)
- goto error_free;
-
- dma_fence_put(fence);
-
- return r;
-
-error_free:
- amdgpu_job_free(job);
- return r;
-}
-
int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
uint64_t dst_offset, uint32_t byte_count,
struct dma_resv *resv,
struct dma_fence **fence, bool direct_submit,
- bool vm_needs_flush)
+ bool vm_needs_flush, bool tmz)
{
+ enum amdgpu_ib_pool_type pool = direct_submit ? AMDGPU_IB_POOL_DIRECT :
+ AMDGPU_IB_POOL_DELAYED;
struct amdgpu_device *adev = ring->adev;
struct amdgpu_job *job;
@@ -2101,7 +2122,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
num_loops = DIV_ROUND_UP(byte_count, max_bytes);
num_dw = ALIGN(num_loops * adev->mman.buffer_funcs->copy_num_dw, 8);
- r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, pool, &job);
if (r)
return r;
@@ -2123,7 +2144,7 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
uint32_t cur_size_in_bytes = min(byte_count, max_bytes);
amdgpu_emit_copy_buffer(adev, &job->ibs[0], src_offset,
- dst_offset, cur_size_in_bytes);
+ dst_offset, cur_size_in_bytes, tmz);
src_offset += cur_size_in_bytes;
dst_offset += cur_size_in_bytes;
@@ -2190,7 +2211,8 @@ int amdgpu_fill_buffer(struct amdgpu_bo *bo,
/* for IB padding */
num_dw += 64;
- r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(adev, num_dw * 4, AMDGPU_IB_POOL_DELAYED,
+ &job);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index bd05bbb4878d..4351d02644a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -24,8 +24,9 @@
#ifndef __AMDGPU_TTM_H__
#define __AMDGPU_TTM_H__
-#include "amdgpu.h"
+#include <linux/dma-direction.h>
#include <drm/gpu_scheduler.h>
+#include "amdgpu.h"
#define AMDGPU_PL_GDS (TTM_PL_PRIV + 0)
#define AMDGPU_PL_GWS (TTM_PL_PRIV + 1)
@@ -74,6 +75,15 @@ uint64_t amdgpu_gtt_mgr_usage(struct ttm_mem_type_manager *man);
int amdgpu_gtt_mgr_recover(struct ttm_mem_type_manager *man);
u64 amdgpu_vram_mgr_bo_visible_size(struct amdgpu_bo *bo);
+int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
+ struct ttm_mem_reg *mem,
+ struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table **sgt);
+void amdgpu_vram_mgr_free_sgt(struct amdgpu_device *adev,
+ struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table *sgt);
uint64_t amdgpu_vram_mgr_usage(struct ttm_mem_type_manager *man);
uint64_t amdgpu_vram_mgr_vis_usage(struct ttm_mem_type_manager *man);
@@ -87,11 +97,11 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
uint64_t dst_offset, uint32_t byte_count,
struct dma_resv *resv,
struct dma_fence **fence, bool direct_submit,
- bool vm_needs_flush);
+ bool vm_needs_flush, bool tmz);
int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
- struct amdgpu_copy_mem *src,
- struct amdgpu_copy_mem *dst,
- uint64_t size,
+ const struct amdgpu_copy_mem *src,
+ const struct amdgpu_copy_mem *dst,
+ uint64_t size, bool tmz,
struct dma_resv *resv,
struct dma_fence **f);
int amdgpu_fill_buffer(struct amdgpu_bo *bo,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index 9ef312428231..65bb25e31d45 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -403,8 +403,8 @@ FW_VERSION_ATTR(mec_fw_version, 0444, gfx.mec_fw_version);
FW_VERSION_ATTR(mec2_fw_version, 0444, gfx.mec2_fw_version);
FW_VERSION_ATTR(sos_fw_version, 0444, psp.sos_fw_version);
FW_VERSION_ATTR(asd_fw_version, 0444, psp.asd_fw_version);
-FW_VERSION_ATTR(ta_ras_fw_version, 0444, psp.ta_fw_version);
-FW_VERSION_ATTR(ta_xgmi_fw_version, 0444, psp.ta_fw_version);
+FW_VERSION_ATTR(ta_ras_fw_version, 0444, psp.ta_ras_ucode_version);
+FW_VERSION_ATTR(ta_xgmi_fw_version, 0444, psp.ta_xgmi_ucode_version);
FW_VERSION_ATTR(smc_fw_version, 0444, pm.fw_version);
FW_VERSION_ATTR(sdma_fw_version, 0444, sdma.instance[0].fw_version);
FW_VERSION_ATTR(sdma2_fw_version, 0444, sdma.instance[1].fw_version);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
index 9dd51f0d2c11..af1b1ccf613c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c
@@ -110,7 +110,8 @@ int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
* even NOMEM error is encountered
*/
if(!err_data->err_addr)
- DRM_WARN("Failed to alloc memory for umc error address record!\n");
+ dev_warn(adev->dev, "Failed to alloc memory for "
+ "umc error address record!\n");
/* umc query_ras_error_address is also responsible for clearing
* error status
@@ -120,10 +121,14 @@ int amdgpu_umc_process_ras_data_cb(struct amdgpu_device *adev,
/* only uncorrectable error needs gpu reset */
if (err_data->ue_count) {
+ dev_info(adev->dev, "%ld uncorrectable hardware errors "
+ "detected in UMC block\n",
+ err_data->ue_count);
+
if (err_data->err_addr_cnt &&
amdgpu_ras_add_bad_pages(adev, err_data->err_addr,
err_data->err_addr_cnt))
- DRM_WARN("Failed to add ras bad page!\n");
+ dev_warn(adev->dev, "Failed to add ras bad page!\n");
amdgpu_ras_reset_gpu(adev);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index 5fd32ad1c575..5100ebe8858d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -1056,7 +1056,8 @@ static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
goto err;
}
- r = amdgpu_job_alloc_with_ib(adev, 64, &job);
+ r = amdgpu_job_alloc_with_ib(adev, 64, direct ? AMDGPU_IB_POOL_DIRECT :
+ AMDGPU_IB_POOL_DELAYED, &job);
if (r)
goto err;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 59ddba137946..ecaa2d7483b2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -446,7 +446,8 @@ static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -524,7 +525,9 @@ static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence *f = NULL;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ direct ? AMDGPU_IB_POOL_DIRECT :
+ AMDGPU_IB_POOL_DELAYED, &job);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index a41272fbcba2..2badbc0355f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -56,19 +56,23 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
{
- unsigned long bo_size;
+ unsigned long bo_size, fw_shared_bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned char fw_check;
int i, r;
INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
+ mutex_init(&adev->vcn.vcn_pg_lock);
+ atomic_set(&adev->vcn.total_submission_cnt, 0);
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++)
+ atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
switch (adev->asic_type) {
case CHIP_RAVEN:
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
fw_name = FIRMWARE_RAVEN2;
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
fw_name = FIRMWARE_PICASSO;
else
fw_name = FIRMWARE_RAVEN;
@@ -178,6 +182,17 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
return r;
}
}
+
+ r = amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)),
+ PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].fw_shared_bo,
+ &adev->vcn.inst[i].fw_shared_gpu_addr, &adev->vcn.inst[i].fw_shared_cpu_addr);
+ if (r) {
+ dev_err(adev->dev, "VCN %d (%d) failed to allocate firmware shared bo\n", i, r);
+ return r;
+ }
+
+ fw_shared_bo_size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ adev->vcn.inst[i].saved_shm_bo = kvmalloc(fw_shared_bo_size, GFP_KERNEL);
}
return 0;
@@ -192,6 +207,12 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
if (adev->vcn.harvest_config & (1 << j))
continue;
+
+ kvfree(adev->vcn.inst[j].saved_shm_bo);
+ amdgpu_bo_free_kernel(&adev->vcn.inst[j].fw_shared_bo,
+ &adev->vcn.inst[j].fw_shared_gpu_addr,
+ (void **)&adev->vcn.inst[j].fw_shared_cpu_addr);
+
if (adev->vcn.indirect_sram) {
amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,
&adev->vcn.inst[j].dpg_sram_gpu_addr,
@@ -210,6 +231,7 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
}
release_firmware(adev->vcn.fw);
+ mutex_destroy(&adev->vcn.vcn_pg_lock);
return 0;
}
@@ -236,6 +258,17 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev)
return -ENOMEM;
memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
+
+ if (adev->vcn.inst[i].fw_shared_bo == NULL)
+ return 0;
+
+ if (!adev->vcn.inst[i].saved_shm_bo)
+ return -ENOMEM;
+
+ size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
+
+ memcpy_fromio(adev->vcn.inst[i].saved_shm_bo, ptr, size);
}
return 0;
}
@@ -273,6 +306,17 @@ int amdgpu_vcn_resume(struct amdgpu_device *adev)
}
memset_io(ptr, 0, size);
}
+
+ if (adev->vcn.inst[i].fw_shared_bo == NULL)
+ return -EINVAL;
+
+ size = amdgpu_bo_size(adev->vcn.inst[i].fw_shared_bo);
+ ptr = adev->vcn.inst[i].fw_shared_cpu_addr;
+
+ if (adev->vcn.inst[i].saved_shm_bo != NULL)
+ memcpy_toio(ptr, adev->vcn.inst[i].saved_shm_bo, size);
+ else
+ memset_io(ptr, 0, size);
}
return 0;
}
@@ -295,7 +339,8 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
struct dpg_pause_state new_state;
- if (fence[j])
+ if (fence[j] ||
+ unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
new_state.fw_based = VCN_DPG_STATE__PAUSE;
else
new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
@@ -307,8 +352,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
fences += fence[j];
}
- if (fences == 0) {
- amdgpu_gfx_off_ctrl(adev, true);
+ if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_GATE);
} else {
@@ -319,36 +363,46 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
- if (set_clocks) {
- amdgpu_gfx_off_ctrl(adev, false);
- amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
- AMD_PG_STATE_UNGATE);
- }
+ atomic_inc(&adev->vcn.total_submission_cnt);
+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
+ mutex_lock(&adev->vcn.vcn_pg_lock);
+ amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
+ AMD_PG_STATE_UNGATE);
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
struct dpg_pause_state new_state;
- unsigned int fences = 0;
- unsigned int i;
- for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
- fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
- }
- if (fences)
+ if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
+ atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
new_state.fw_based = VCN_DPG_STATE__PAUSE;
- else
- new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
+ } else {
+ unsigned int fences = 0;
+ unsigned int i;
- if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
- new_state.fw_based = VCN_DPG_STATE__PAUSE;
+ for (i = 0; i < adev->vcn.num_enc_rings; ++i)
+ fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
+
+ if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
+ new_state.fw_based = VCN_DPG_STATE__PAUSE;
+ else
+ new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
+ }
adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
}
+ mutex_unlock(&adev->vcn.vcn_pg_lock);
}
void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
{
+ if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
+ ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
+ atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
+
+ atomic_dec(&ring->adev->vcn.total_submission_cnt);
+
schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
}
@@ -390,7 +444,8 @@ static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(adev, 64, &job);
+ r = amdgpu_job_alloc_with_ib(adev, 64,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
goto err;
@@ -557,7 +612,8 @@ static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t hand
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -610,7 +666,8 @@ static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t han
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
index 6fe057329de2..90aa12b22725 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h
@@ -132,6 +132,13 @@
} \
} while (0)
+#define AMDGPU_VCN_MULTI_QUEUE_FLAG (1 << 8)
+
+enum fw_queue_mode {
+ FW_QUEUE_RING_RESET = 1,
+ FW_QUEUE_DPG_HOLD_OFF = 2,
+};
+
enum engine_status_constants {
UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON = 0x2AAAA0,
UVD_PGFSM_STATUS__UVDM_UVDU_PWR_ON_2_0 = 0xAAAA0,
@@ -179,10 +186,15 @@ struct amdgpu_vcn_inst {
struct amdgpu_irq_src irq;
struct amdgpu_vcn_reg external;
struct amdgpu_bo *dpg_sram_bo;
+ struct amdgpu_bo *fw_shared_bo;
struct dpg_pause_state pause_state;
void *dpg_sram_cpu_addr;
uint64_t dpg_sram_gpu_addr;
uint32_t *dpg_sram_curr_addr;
+ atomic_t dpg_enc_submission_cnt;
+ void *fw_shared_cpu_addr;
+ uint64_t fw_shared_gpu_addr;
+ void *saved_shm_bo;
};
struct amdgpu_vcn {
@@ -196,16 +208,28 @@ struct amdgpu_vcn {
uint8_t num_vcn_inst;
struct amdgpu_vcn_inst inst[AMDGPU_MAX_VCN_INSTANCES];
struct amdgpu_vcn_reg internal;
- struct drm_gpu_scheduler *vcn_enc_sched[AMDGPU_MAX_VCN_ENC_RINGS];
- struct drm_gpu_scheduler *vcn_dec_sched[AMDGPU_MAX_VCN_INSTANCES];
- uint32_t num_vcn_enc_sched;
- uint32_t num_vcn_dec_sched;
+ struct mutex vcn_pg_lock;
+ atomic_t total_submission_cnt;
unsigned harvest_config;
int (*pause_dpg_mode)(struct amdgpu_device *adev,
int inst_idx, struct dpg_pause_state *new_state);
};
+struct amdgpu_fw_shared_multi_queue {
+ uint8_t decode_queue_mode;
+ uint8_t encode_generalpurpose_queue_mode;
+ uint8_t encode_lowlatency_queue_mode;
+ uint8_t encode_realtime_queue_mode;
+ uint8_t padding[4];
+};
+
+struct amdgpu_fw_shared {
+ uint32_t present_flag_0;
+ uint8_t pad[53];
+ struct amdgpu_fw_shared_multi_queue multi_queue;
+} __attribute__((__packed__));
+
int amdgpu_vcn_sw_init(struct amdgpu_device *adev);
int amdgpu_vcn_sw_fini(struct amdgpu_device *adev);
int amdgpu_vcn_suspend(struct amdgpu_device *adev);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index adc813cde8e2..f3b38c9e04ca 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -38,7 +38,8 @@ bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev)
void amdgpu_virt_init_setting(struct amdgpu_device *adev)
{
/* enable virtual display */
- adev->mode_info.num_crtc = 1;
+ if (adev->mode_info.num_crtc == 0)
+ adev->mode_info.num_crtc = 1;
adev->enable_virtual_display = true;
adev->ddev->driver->driver_features &= ~DRIVER_ATOMIC;
adev->cg_flags = 0;
@@ -59,7 +60,10 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_emit_reg_write_reg_wait(ring, reg0, reg1,
ref, mask);
- amdgpu_fence_emit_polling(ring, &seq);
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r)
+ goto failed_undo;
+
amdgpu_ring_commit(ring);
spin_unlock_irqrestore(&kiq->ring_lock, flags);
@@ -81,6 +85,9 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
return;
+failed_undo:
+ amdgpu_ring_undo(ring);
+ spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq:
pr_err("failed to write reg %x wait reg %x\n", reg0, reg1);
}
@@ -152,6 +159,19 @@ int amdgpu_virt_reset_gpu(struct amdgpu_device *adev)
return 0;
}
+void amdgpu_virt_request_init_data(struct amdgpu_device *adev)
+{
+ struct amdgpu_virt *virt = &adev->virt;
+
+ if (virt->ops && virt->ops->req_init_data)
+ virt->ops->req_init_data(adev);
+
+ if (adev->virt.req_init_data_ver > 0)
+ DRM_INFO("host supports REQ_INIT_DATA handshake\n");
+ else
+ DRM_WARN("host doesn't support REQ_INIT_DATA handshake\n");
+}
+
/**
* amdgpu_virt_wait_reset() - wait for reset gpu completed
* @amdgpu: amdgpu device.
@@ -287,3 +307,82 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
}
}
}
+
+void amdgpu_detect_virtualization(struct amdgpu_device *adev)
+{
+ uint32_t reg;
+
+ switch (adev->asic_type) {
+ case CHIP_TONGA:
+ case CHIP_FIJI:
+ reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER);
+ break;
+ case CHIP_VEGA10:
+ case CHIP_VEGA20:
+ case CHIP_NAVI10:
+ case CHIP_NAVI12:
+ case CHIP_ARCTURUS:
+ reg = RREG32(mmRCC_IOV_FUNC_IDENTIFIER);
+ break;
+ default: /* other chip doesn't support SRIOV */
+ reg = 0;
+ break;
+ }
+
+ if (reg & 1)
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
+
+ if (reg & 0x80000000)
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
+
+ if (!reg) {
+ if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
+ adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
+ }
+}
+
+bool amdgpu_virt_access_debugfs_is_mmio(struct amdgpu_device *adev)
+{
+ return amdgpu_sriov_is_debug(adev) ? true : false;
+}
+
+bool amdgpu_virt_access_debugfs_is_kiq(struct amdgpu_device *adev)
+{
+ return amdgpu_sriov_is_normal(adev) ? true : false;
+}
+
+int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev)
+{
+ if (!amdgpu_sriov_vf(adev) ||
+ amdgpu_virt_access_debugfs_is_kiq(adev))
+ return 0;
+
+ if (amdgpu_virt_access_debugfs_is_mmio(adev))
+ adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
+ else
+ return -EPERM;
+
+ return 0;
+}
+
+void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev)
+{
+ if (amdgpu_sriov_vf(adev))
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_RUNTIME;
+}
+
+enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev)
+{
+ enum amdgpu_sriov_vf_mode mode;
+
+ if (amdgpu_sriov_vf(adev)) {
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ mode = SRIOV_VF_MODE_ONE_VF;
+ else
+ mode = SRIOV_VF_MODE_MULTI_VF;
+ } else {
+ mode = SRIOV_VF_MODE_BARE_METAL;
+ }
+
+ return mode;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index f0128f745bd2..b90e822cebd7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -30,6 +30,17 @@
#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
#define AMDGPU_SRIOV_CAPS_RUNTIME (1 << 4) /* is out of full access mode */
+/* all asic after AI use this offset */
+#define mmRCC_IOV_FUNC_IDENTIFIER 0xDE5
+/* tonga/fiji use this offset */
+#define mmBIF_IOV_FUNC_IDENTIFIER 0x1503
+
+enum amdgpu_sriov_vf_mode {
+ SRIOV_VF_MODE_BARE_METAL = 0,
+ SRIOV_VF_MODE_ONE_VF,
+ SRIOV_VF_MODE_MULTI_VF,
+};
+
struct amdgpu_mm_table {
struct amdgpu_bo *bo;
uint32_t *cpu_addr;
@@ -54,6 +65,7 @@ struct amdgpu_vf_error_buffer {
struct amdgpu_virt_ops {
int (*req_full_gpu)(struct amdgpu_device *adev, bool init);
int (*rel_full_gpu)(struct amdgpu_device *adev, bool init);
+ int (*req_init_data)(struct amdgpu_device *adev);
int (*reset_gpu)(struct amdgpu_device *adev);
int (*wait_reset)(struct amdgpu_device *adev);
void (*trans_msg)(struct amdgpu_device *adev, u32 req, u32 data1, u32 data2, u32 data3);
@@ -83,6 +95,8 @@ enum AMDGIM_FEATURE_FLAG {
AMDGIM_FEATURE_GIM_LOAD_UCODES = 0x2,
/* VRAM LOST by GIM */
AMDGIM_FEATURE_GIM_FLR_VRAMLOST = 0x4,
+ /* MM bandwidth */
+ AMDGIM_FEATURE_GIM_MM_BW_MGR = 0x8,
/* PP ONE VF MODE in GIM */
AMDGIM_FEATURE_PP_ONE_VF = (1 << 4),
};
@@ -256,6 +270,8 @@ struct amdgpu_virt {
struct amdgpu_virt_fw_reserve fw_reserve;
uint32_t gim_feature;
uint32_t reg_access_mode;
+ int req_init_data_ver;
+ bool tdr_debug;
};
#define amdgpu_sriov_enabled(adev) \
@@ -287,6 +303,10 @@ static inline bool is_virtual_machine(void)
#define amdgpu_sriov_is_pp_one_vf(adev) \
((adev)->virt.gim_feature & AMDGIM_FEATURE_PP_ONE_VF)
+#define amdgpu_sriov_is_debug(adev) \
+ ((!adev->in_gpu_reset) && adev->virt.tdr_debug)
+#define amdgpu_sriov_is_normal(adev) \
+ ((!adev->in_gpu_reset) && (!adev->virt.tdr_debug))
bool amdgpu_virt_mmio_blocked(struct amdgpu_device *adev);
void amdgpu_virt_init_setting(struct amdgpu_device *adev);
@@ -296,6 +316,7 @@ void amdgpu_virt_kiq_reg_write_reg_wait(struct amdgpu_device *adev,
int amdgpu_virt_request_full_gpu(struct amdgpu_device *adev, bool init);
int amdgpu_virt_release_full_gpu(struct amdgpu_device *adev, bool init);
int amdgpu_virt_reset_gpu(struct amdgpu_device *adev);
+void amdgpu_virt_request_init_data(struct amdgpu_device *adev);
int amdgpu_virt_wait_reset(struct amdgpu_device *adev);
int amdgpu_virt_alloc_mm_table(struct amdgpu_device *adev);
void amdgpu_virt_free_mm_table(struct amdgpu_device *adev);
@@ -303,4 +324,11 @@ int amdgpu_virt_fw_reserve_get_checksum(void *obj, unsigned long obj_size,
unsigned int key,
unsigned int chksum);
void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev);
+void amdgpu_detect_virtualization(struct amdgpu_device *adev);
+
+bool amdgpu_virt_can_access_debugfs(struct amdgpu_device *adev);
+int amdgpu_virt_enable_access_debugfs(struct amdgpu_device *adev);
+void amdgpu_virt_disable_access_debugfs(struct amdgpu_device *adev);
+
+enum amdgpu_sriov_vf_mode amdgpu_virt_get_sriov_vf_mode(struct amdgpu_device *adev);
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6d9252a27916..7417754e9141 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -82,7 +82,7 @@ struct amdgpu_prt_cb {
struct dma_fence_cb cb;
};
-/**
+/*
* vm eviction_lock can be taken in MMU notifiers. Make sure no reclaim-FS
* happens while holding this lock anywhere to prevent deadlocks when
* an MMU notifier runs in reclaim-FS context.
@@ -726,7 +726,7 @@ bool amdgpu_vm_ready(struct amdgpu_vm *vm)
* @adev: amdgpu_device pointer
* @vm: VM to clear BO from
* @bo: BO to clear
- * @direct: use a direct update
+ * @immediate: use an immediate update
*
* Root PD needs to be reserved when calling this.
*
@@ -736,7 +736,7 @@ bool amdgpu_vm_ready(struct amdgpu_vm *vm)
static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct amdgpu_bo *bo,
- bool direct)
+ bool immediate)
{
struct ttm_operation_ctx ctx = { true, false };
unsigned level = adev->vm_manager.root_level;
@@ -795,7 +795,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
memset(&params, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
- params.direct = direct;
+ params.immediate = immediate;
r = vm->update_funcs->prepare(&params, NULL, AMDGPU_SYNC_EXPLICIT);
if (r)
@@ -850,11 +850,11 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
* @adev: amdgpu_device pointer
* @vm: requesting vm
* @level: the page table level
- * @direct: use a direct update
+ * @immediate: use a immediate update
* @bp: resulting BO allocation parameters
*/
static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
- int level, bool direct,
+ int level, bool immediate,
struct amdgpu_bo_param *bp)
{
memset(bp, 0, sizeof(*bp));
@@ -870,7 +870,7 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
else if (!vm->root.base.bo || vm->root.base.bo->shadow)
bp->flags |= AMDGPU_GEM_CREATE_SHADOW;
bp->type = ttm_bo_type_kernel;
- bp->no_wait_gpu = direct;
+ bp->no_wait_gpu = immediate;
if (vm->root.base.bo)
bp->resv = vm->root.base.bo->tbo.base.resv;
}
@@ -881,7 +881,7 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
* @adev: amdgpu_device pointer
* @vm: VM to allocate page tables for
* @cursor: Which page table to allocate
- * @direct: use a direct update
+ * @immediate: use an immediate update
*
* Make sure a specific page table or directory is allocated.
*
@@ -892,7 +892,7 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm,
static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct amdgpu_vm_pt_cursor *cursor,
- bool direct)
+ bool immediate)
{
struct amdgpu_vm_pt *entry = cursor->entry;
struct amdgpu_bo_param bp;
@@ -913,7 +913,7 @@ static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
if (entry->base.bo)
return 0;
- amdgpu_vm_bo_param(adev, vm, cursor->level, direct, &bp);
+ amdgpu_vm_bo_param(adev, vm, cursor->level, immediate, &bp);
r = amdgpu_bo_create(adev, &bp, &pt);
if (r)
@@ -925,7 +925,7 @@ static int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
pt->parent = amdgpu_bo_ref(cursor->parent->base.bo);
amdgpu_vm_bo_base_init(&entry->base, vm, pt);
- r = amdgpu_vm_clear_bo(adev, vm, pt, direct);
+ r = amdgpu_vm_clear_bo(adev, vm, pt, immediate);
if (r)
goto error_free_pt;
@@ -1276,7 +1276,7 @@ static void amdgpu_vm_invalidate_pds(struct amdgpu_device *adev,
*
* @adev: amdgpu_device pointer
* @vm: requested vm
- * @direct: submit directly to the paging queue
+ * @immediate: submit immediately to the paging queue
*
* Makes sure all directories are up to date.
*
@@ -1284,7 +1284,7 @@ static void amdgpu_vm_invalidate_pds(struct amdgpu_device *adev,
* 0 for success, error for failure.
*/
int amdgpu_vm_update_pdes(struct amdgpu_device *adev,
- struct amdgpu_vm *vm, bool direct)
+ struct amdgpu_vm *vm, bool immediate)
{
struct amdgpu_vm_update_params params;
int r;
@@ -1295,7 +1295,7 @@ int amdgpu_vm_update_pdes(struct amdgpu_device *adev,
memset(&params, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
- params.direct = direct;
+ params.immediate = immediate;
r = vm->update_funcs->prepare(&params, NULL, AMDGPU_SYNC_EXPLICIT);
if (r)
@@ -1446,20 +1446,24 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
uint64_t incr, entry_end, pe_start;
struct amdgpu_bo *pt;
- if (flags & (AMDGPU_PTE_VALID | AMDGPU_PTE_PRT)) {
+ if (!params->unlocked) {
/* make sure that the page tables covering the
* address range are actually allocated
*/
r = amdgpu_vm_alloc_pts(params->adev, params->vm,
- &cursor, params->direct);
+ &cursor, params->immediate);
if (r)
return r;
}
shift = amdgpu_vm_level_shift(adev, cursor.level);
parent_shift = amdgpu_vm_level_shift(adev, cursor.level - 1);
- if (adev->asic_type < CHIP_VEGA10 &&
- (flags & AMDGPU_PTE_VALID)) {
+ if (params->unlocked) {
+ /* Unlocked updates are only allowed on the leaves */
+ if (amdgpu_vm_pt_descendant(adev, &cursor))
+ continue;
+ } else if (adev->asic_type < CHIP_VEGA10 &&
+ (flags & AMDGPU_PTE_VALID)) {
/* No huge page support before GMC v9 */
if (cursor.level != AMDGPU_VM_PTB) {
if (!amdgpu_vm_pt_descendant(adev, &cursor))
@@ -1557,7 +1561,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
*
* @adev: amdgpu_device pointer
* @vm: requested vm
- * @direct: direct submission in a page fault
+ * @immediate: immediate submission in a page fault
+ * @unlocked: unlocked invalidation during MM callback
* @resv: fences we need to sync to
* @start: start of mapped range
* @last: last mapped entry
@@ -1572,8 +1577,8 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
* 0 for success, -EINVAL for failure.
*/
static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
- struct amdgpu_vm *vm, bool direct,
- struct dma_resv *resv,
+ struct amdgpu_vm *vm, bool immediate,
+ bool unlocked, struct dma_resv *resv,
uint64_t start, uint64_t last,
uint64_t flags, uint64_t addr,
dma_addr_t *pages_addr,
@@ -1586,8 +1591,9 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
memset(&params, 0, sizeof(params));
params.adev = adev;
params.vm = vm;
- params.direct = direct;
+ params.immediate = immediate;
params.pages_addr = pages_addr;
+ params.unlocked = unlocked;
/* Implicitly sync to command submissions in the same VM before
* unmapping. Sync to moving fences before mapping.
@@ -1603,11 +1609,12 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
goto error_unlock;
}
- if (flags & (AMDGPU_PTE_VALID | AMDGPU_PTE_PRT)) {
- struct amdgpu_bo *root = vm->root.base.bo;
+ if (!unlocked && !dma_fence_is_signaled(vm->last_unlocked)) {
+ struct dma_fence *tmp = dma_fence_get_stub();
- if (!dma_fence_is_signaled(vm->last_direct))
- amdgpu_bo_fence(root, vm->last_direct, true);
+ amdgpu_bo_fence(vm->root.base.bo, vm->last_unlocked, true);
+ swap(vm->last_unlocked, tmp);
+ dma_fence_put(tmp);
}
r = vm->update_funcs->prepare(&params, resv, sync_mode);
@@ -1721,7 +1728,7 @@ static int amdgpu_vm_bo_split_mapping(struct amdgpu_device *adev,
}
last = min((uint64_t)mapping->last, start + max_entries - 1);
- r = amdgpu_vm_bo_update_mapping(adev, vm, false, resv,
+ r = amdgpu_vm_bo_update_mapping(adev, vm, false, false, resv,
start, last, flags, addr,
dma_addr, fence);
if (r)
@@ -1784,6 +1791,10 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va,
if (bo) {
flags = amdgpu_ttm_tt_pte_flags(adev, bo->tbo.ttm, mem);
+
+ if (amdgpu_bo_encrypted(bo))
+ flags |= AMDGPU_PTE_TMZ;
+
bo_adev = amdgpu_ttm_adev(bo->tbo.bdev);
} else {
flags = 0x0;
@@ -2014,7 +2025,7 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
mapping->start < AMDGPU_GMC_HOLE_START)
init_pte_value = AMDGPU_PTE_DEFAULT_ATC;
- r = amdgpu_vm_bo_update_mapping(adev, vm, false, resv,
+ r = amdgpu_vm_bo_update_mapping(adev, vm, false, false, resv,
mapping->start, mapping->last,
init_pte_value, 0, NULL, &f);
amdgpu_vm_free_mapping(adev, vm, mapping, f);
@@ -2124,11 +2135,8 @@ struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
if (bo && amdgpu_xgmi_same_hive(adev, amdgpu_ttm_adev(bo->tbo.bdev)) &&
(bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM)) {
bo_va->is_xgmi = true;
- mutex_lock(&adev->vm_manager.lock_pstate);
/* Power up XGMI if it can be potentially used */
- if (++adev->vm_manager.xgmi_map_counter == 1)
- amdgpu_xgmi_set_pstate(adev, 1);
- mutex_unlock(&adev->vm_manager.lock_pstate);
+ amdgpu_xgmi_set_pstate(adev, AMDGPU_XGMI_PSTATE_MAX_VEGA20);
}
return bo_va;
@@ -2551,12 +2559,8 @@ void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
dma_fence_put(bo_va->last_pt_update);
- if (bo && bo_va->is_xgmi) {
- mutex_lock(&adev->vm_manager.lock_pstate);
- if (--adev->vm_manager.xgmi_map_counter == 0)
- amdgpu_xgmi_set_pstate(adev, 0);
- mutex_unlock(&adev->vm_manager.lock_pstate);
- }
+ if (bo && bo_va->is_xgmi)
+ amdgpu_xgmi_set_pstate(adev, AMDGPU_XGMI_PSTATE_MIN);
kfree(bo_va);
}
@@ -2585,7 +2589,7 @@ bool amdgpu_vm_evictable(struct amdgpu_bo *bo)
return false;
/* Don't evict VM page tables while they are updated */
- if (!dma_fence_is_signaled(bo_base->vm->last_direct)) {
+ if (!dma_fence_is_signaled(bo_base->vm->last_unlocked)) {
amdgpu_vm_eviction_unlock(bo_base->vm);
return false;
}
@@ -2762,7 +2766,7 @@ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout)
if (timeout <= 0)
return timeout;
- return dma_fence_wait_timeout(vm->last_direct, true, timeout);
+ return dma_fence_wait_timeout(vm->last_unlocked, true, timeout);
}
/**
@@ -2798,7 +2802,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
/* create scheduler entities for page table updates */
- r = drm_sched_entity_init(&vm->direct, DRM_SCHED_PRIORITY_NORMAL,
+ r = drm_sched_entity_init(&vm->immediate, DRM_SCHED_PRIORITY_NORMAL,
adev->vm_manager.vm_pte_scheds,
adev->vm_manager.vm_pte_num_scheds, NULL);
if (r)
@@ -2808,7 +2812,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
adev->vm_manager.vm_pte_scheds,
adev->vm_manager.vm_pte_num_scheds, NULL);
if (r)
- goto error_free_direct;
+ goto error_free_immediate;
vm->pte_support_ats = false;
vm->is_compute_context = false;
@@ -2834,7 +2838,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
else
vm->update_funcs = &amdgpu_vm_sdma_funcs;
vm->last_update = NULL;
- vm->last_direct = dma_fence_get_stub();
+ vm->last_unlocked = dma_fence_get_stub();
mutex_init(&vm->eviction_lock);
vm->evicting = false;
@@ -2888,11 +2892,11 @@ error_free_root:
vm->root.base.bo = NULL;
error_free_delayed:
- dma_fence_put(vm->last_direct);
+ dma_fence_put(vm->last_unlocked);
drm_sched_entity_destroy(&vm->delayed);
-error_free_direct:
- drm_sched_entity_destroy(&vm->direct);
+error_free_immediate:
+ drm_sched_entity_destroy(&vm->immediate);
return r;
}
@@ -2996,10 +3000,17 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm,
!amdgpu_gmc_vram_full_visible(&adev->gmc)),
"CPU update of VM recommended only for large BAR system\n");
- if (vm->use_cpu_for_update)
+ if (vm->use_cpu_for_update) {
+ /* Sync with last SDMA update/clear before switching to CPU */
+ r = amdgpu_bo_sync_wait(vm->root.base.bo,
+ AMDGPU_FENCE_OWNER_UNDEFINED, true);
+ if (r)
+ goto free_idr;
+
vm->update_funcs = &amdgpu_vm_cpu_funcs;
- else
+ } else {
vm->update_funcs = &amdgpu_vm_sdma_funcs;
+ }
dma_fence_put(vm->last_update);
vm->last_update = NULL;
vm->is_compute_context = true;
@@ -3089,8 +3100,8 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
vm->pasid = 0;
}
- dma_fence_wait(vm->last_direct, false);
- dma_fence_put(vm->last_direct);
+ dma_fence_wait(vm->last_unlocked, false);
+ dma_fence_put(vm->last_unlocked);
list_for_each_entry_safe(mapping, tmp, &vm->freed, list) {
if (mapping->flags & AMDGPU_PTE_PRT && prt_fini_needed) {
@@ -3107,7 +3118,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
amdgpu_bo_unref(&root);
WARN_ON(vm->root.base.bo);
- drm_sched_entity_destroy(&vm->direct);
+ drm_sched_entity_destroy(&vm->immediate);
drm_sched_entity_destroy(&vm->delayed);
if (!RB_EMPTY_ROOT(&vm->va.rb_root)) {
@@ -3166,9 +3177,6 @@ void amdgpu_vm_manager_init(struct amdgpu_device *adev)
idr_init(&adev->vm_manager.pasid_idr);
spin_lock_init(&adev->vm_manager.pasid_lock);
-
- adev->vm_manager.xgmi_map_counter = 0;
- mutex_init(&adev->vm_manager.lock_pstate);
}
/**
@@ -3343,8 +3351,8 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, unsigned int pasid,
value = 0;
}
- r = amdgpu_vm_bo_update_mapping(adev, vm, true, NULL, addr, addr + 1,
- flags, value, NULL, NULL);
+ r = amdgpu_vm_bo_update_mapping(adev, vm, true, false, NULL, addr,
+ addr + 1, flags, value, NULL, NULL);
if (r)
goto error_unlock;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 06fe30e1492d..c8e68d7890bf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -54,6 +54,9 @@ struct amdgpu_bo_list_entry;
#define AMDGPU_PTE_SYSTEM (1ULL << 1)
#define AMDGPU_PTE_SNOOPED (1ULL << 2)
+/* RV+ */
+#define AMDGPU_PTE_TMZ (1ULL << 3)
+
/* VI only */
#define AMDGPU_PTE_EXECUTABLE (1ULL << 4)
@@ -203,9 +206,14 @@ struct amdgpu_vm_update_params {
struct amdgpu_vm *vm;
/**
- * @direct: if changes should be made directly
+ * @immediate: if changes should be made immediately
*/
- bool direct;
+ bool immediate;
+
+ /**
+ * @unlocked: true if the root BO is not locked
+ */
+ bool unlocked;
/**
* @pages_addr:
@@ -271,11 +279,11 @@ struct amdgpu_vm {
struct dma_fence *last_update;
/* Scheduler entities for page table updates */
- struct drm_sched_entity direct;
+ struct drm_sched_entity immediate;
struct drm_sched_entity delayed;
- /* Last submission to the scheduler entities */
- struct dma_fence *last_direct;
+ /* Last unlocked submission to the scheduler entities */
+ struct dma_fence *last_unlocked;
unsigned int pasid;
/* dedicated to vm */
@@ -349,10 +357,6 @@ struct amdgpu_vm_manager {
*/
struct idr pasid_idr;
spinlock_t pasid_lock;
-
- /* counter of mapped memory through xgmi */
- uint32_t xgmi_map_counter;
- struct mutex lock_pstate;
};
#define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
@@ -380,7 +384,7 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
void *param);
int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync);
int amdgpu_vm_update_pdes(struct amdgpu_device *adev,
- struct amdgpu_vm *vm, bool direct);
+ struct amdgpu_vm *vm, bool immediate);
int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
struct amdgpu_vm *vm,
struct dma_fence **fence);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
index e38516304070..39c704a1fb0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_cpu.c
@@ -84,7 +84,7 @@ static int amdgpu_vm_cpu_update(struct amdgpu_vm_update_params *p,
pe += (unsigned long)amdgpu_bo_kptr(bo);
- trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags, p->direct);
+ trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags, p->immediate);
for (i = 0; i < count; i++) {
value = p->pages_addr ?
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index cf96c335b258..8d9c6feba660 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -61,10 +61,12 @@ static int amdgpu_vm_sdma_prepare(struct amdgpu_vm_update_params *p,
struct dma_resv *resv,
enum amdgpu_sync_mode sync_mode)
{
+ enum amdgpu_ib_pool_type pool = p->immediate ? AMDGPU_IB_POOL_IMMEDIATE
+ : AMDGPU_IB_POOL_DELAYED;
unsigned int ndw = AMDGPU_VM_SDMA_MIN_NUM_DW;
int r;
- r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, &p->job);
+ r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, pool, &p->job);
if (r)
return r;
@@ -90,11 +92,11 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
{
struct amdgpu_ib *ib = p->job->ibs;
struct drm_sched_entity *entity;
- struct dma_fence *f, *tmp;
struct amdgpu_ring *ring;
+ struct dma_fence *f;
int r;
- entity = p->direct ? &p->vm->direct : &p->vm->delayed;
+ entity = p->immediate ? &p->vm->immediate : &p->vm->delayed;
ring = container_of(entity->rq->sched, struct amdgpu_ring, sched);
WARN_ON(ib->length_dw == 0);
@@ -104,15 +106,16 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
if (r)
goto error;
- if (p->direct) {
- tmp = dma_fence_get(f);
- swap(p->vm->last_direct, tmp);
+ if (p->unlocked) {
+ struct dma_fence *tmp = dma_fence_get(f);
+
+ swap(p->vm->last_unlocked, f);
dma_fence_put(tmp);
} else {
- dma_resv_add_shared_fence(p->vm->root.base.bo->tbo.base.resv, f);
+ amdgpu_bo_fence(p->vm->root.base.bo, f, true);
}
- if (fence && !p->direct)
+ if (fence && !p->immediate)
swap(*fence, f);
dma_fence_put(f);
return 0;
@@ -142,7 +145,7 @@ static void amdgpu_vm_sdma_copy_ptes(struct amdgpu_vm_update_params *p,
src += p->num_dw_left * 4;
pe += amdgpu_gmc_sign_extend(bo->tbo.offset);
- trace_amdgpu_vm_copy_ptes(pe, src, count, p->direct);
+ trace_amdgpu_vm_copy_ptes(pe, src, count, p->immediate);
amdgpu_vm_copy_pte(p->adev, ib, pe, src, count);
}
@@ -169,7 +172,7 @@ static void amdgpu_vm_sdma_set_ptes(struct amdgpu_vm_update_params *p,
struct amdgpu_ib *ib = p->job->ibs;
pe += amdgpu_gmc_sign_extend(bo->tbo.offset);
- trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags, p->direct);
+ trace_amdgpu_vm_set_ptes(pe, addr, count, incr, flags, p->immediate);
if (count < 3) {
amdgpu_vm_write_pte(p->adev, ib, pe, addr | flags,
count, incr);
@@ -198,6 +201,8 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p,
uint64_t addr, unsigned count, uint32_t incr,
uint64_t flags)
{
+ enum amdgpu_ib_pool_type pool = p->immediate ? AMDGPU_IB_POOL_IMMEDIATE
+ : AMDGPU_IB_POOL_DELAYED;
unsigned int i, ndw, nptes;
uint64_t *pte;
int r;
@@ -223,7 +228,8 @@ static int amdgpu_vm_sdma_update(struct amdgpu_vm_update_params *p,
ndw = max(ndw, AMDGPU_VM_SDMA_MIN_NUM_DW);
ndw = min(ndw, AMDGPU_VM_SDMA_MAX_NUM_DW);
- r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, &p->job);
+ r = amdgpu_job_alloc_with_ib(p->adev, ndw * 4, pool,
+ &p->job);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
index 82a3299e53c0..d399e5893170 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c
@@ -22,6 +22,7 @@
* Authors: Christian König
*/
+#include <linux/dma-mapping.h>
#include "amdgpu.h"
#include "amdgpu_vm.h"
#include "amdgpu_atomfirmware.h"
@@ -148,6 +149,15 @@ static DEVICE_ATTR(mem_info_vis_vram_used, S_IRUGO,
static DEVICE_ATTR(mem_info_vram_vendor, S_IRUGO,
amdgpu_mem_info_vram_vendor, NULL);
+static const struct attribute *amdgpu_vram_mgr_attributes[] = {
+ &dev_attr_mem_info_vram_total.attr,
+ &dev_attr_mem_info_vis_vram_total.attr,
+ &dev_attr_mem_info_vram_used.attr,
+ &dev_attr_mem_info_vis_vram_used.attr,
+ &dev_attr_mem_info_vram_vendor.attr,
+ NULL
+};
+
/**
* amdgpu_vram_mgr_init - init VRAM manager and DRM MM
*
@@ -172,31 +182,9 @@ static int amdgpu_vram_mgr_init(struct ttm_mem_type_manager *man,
man->priv = mgr;
/* Add the two VRAM-related sysfs files */
- ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_total);
- if (ret) {
- DRM_ERROR("Failed to create device file mem_info_vram_total\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_mem_info_vis_vram_total);
- if (ret) {
- DRM_ERROR("Failed to create device file mem_info_vis_vram_total\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_used);
- if (ret) {
- DRM_ERROR("Failed to create device file mem_info_vram_used\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_mem_info_vis_vram_used);
- if (ret) {
- DRM_ERROR("Failed to create device file mem_info_vis_vram_used\n");
- return ret;
- }
- ret = device_create_file(adev->dev, &dev_attr_mem_info_vram_vendor);
- if (ret) {
- DRM_ERROR("Failed to create device file mem_info_vram_vendor\n");
- return ret;
- }
+ ret = sysfs_create_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
+ if (ret)
+ DRM_ERROR("Failed to register sysfs\n");
return 0;
}
@@ -219,11 +207,7 @@ static int amdgpu_vram_mgr_fini(struct ttm_mem_type_manager *man)
spin_unlock(&mgr->lock);
kfree(mgr);
man->priv = NULL;
- device_remove_file(adev->dev, &dev_attr_mem_info_vram_total);
- device_remove_file(adev->dev, &dev_attr_mem_info_vis_vram_total);
- device_remove_file(adev->dev, &dev_attr_mem_info_vram_used);
- device_remove_file(adev->dev, &dev_attr_mem_info_vis_vram_used);
- device_remove_file(adev->dev, &dev_attr_mem_info_vram_vendor);
+ sysfs_remove_files(&adev->dev->kobj, amdgpu_vram_mgr_attributes);
return 0;
}
@@ -459,6 +443,104 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
}
/**
+ * amdgpu_vram_mgr_alloc_sgt - allocate and fill a sg table
+ *
+ * @adev: amdgpu device pointer
+ * @mem: TTM memory object
+ * @dev: the other device
+ * @dir: dma direction
+ * @sgt: resulting sg table
+ *
+ * Allocate and fill a sg table from a VRAM allocation.
+ */
+int amdgpu_vram_mgr_alloc_sgt(struct amdgpu_device *adev,
+ struct ttm_mem_reg *mem,
+ struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table **sgt)
+{
+ struct drm_mm_node *node;
+ struct scatterlist *sg;
+ int num_entries = 0;
+ unsigned int pages;
+ int i, r;
+
+ *sgt = kmalloc(sizeof(*sg), GFP_KERNEL);
+ if (!*sgt)
+ return -ENOMEM;
+
+ for (pages = mem->num_pages, node = mem->mm_node;
+ pages; pages -= node->size, ++node)
+ ++num_entries;
+
+ r = sg_alloc_table(*sgt, num_entries, GFP_KERNEL);
+ if (r)
+ goto error_free;
+
+ for_each_sg((*sgt)->sgl, sg, num_entries, i)
+ sg->length = 0;
+
+ node = mem->mm_node;
+ for_each_sg((*sgt)->sgl, sg, num_entries, i) {
+ phys_addr_t phys = (node->start << PAGE_SHIFT) +
+ adev->gmc.aper_base;
+ size_t size = node->size << PAGE_SHIFT;
+ dma_addr_t addr;
+
+ ++node;
+ addr = dma_map_resource(dev, phys, size, dir,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ r = dma_mapping_error(dev, addr);
+ if (r)
+ goto error_unmap;
+
+ sg_set_page(sg, NULL, size, 0);
+ sg_dma_address(sg) = addr;
+ sg_dma_len(sg) = size;
+ }
+ return 0;
+
+error_unmap:
+ for_each_sg((*sgt)->sgl, sg, num_entries, i) {
+ if (!sg->length)
+ continue;
+
+ dma_unmap_resource(dev, sg->dma_address,
+ sg->length, dir,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ }
+ sg_free_table(*sgt);
+
+error_free:
+ kfree(*sgt);
+ return r;
+}
+
+/**
+ * amdgpu_vram_mgr_alloc_sgt - allocate and fill a sg table
+ *
+ * @adev: amdgpu device pointer
+ * @sgt: sg table to free
+ *
+ * Free a previously allocate sg table.
+ */
+void amdgpu_vram_mgr_free_sgt(struct amdgpu_device *adev,
+ struct device *dev,
+ enum dma_data_direction dir,
+ struct sg_table *sgt)
+{
+ struct scatterlist *sg;
+ int i;
+
+ for_each_sg(sgt->sgl, sg, sgt->nents, i)
+ dma_unmap_resource(dev, sg->dma_address,
+ sg->length, dir,
+ DMA_ATTR_SKIP_CPU_SYNC);
+ sg_free_table(sgt);
+ kfree(sgt);
+}
+
+/**
* amdgpu_vram_mgr_usage - how many bytes are used in this domain
*
* @man: TTM memory type manager
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 95b3327168ac..91837a991319 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -325,9 +325,18 @@ success:
static void amdgpu_xgmi_sysfs_rem_dev_info(struct amdgpu_device *adev,
struct amdgpu_hive_info *hive)
{
+ char node[10];
+ memset(node, 0, sizeof(node));
+
device_remove_file(adev->dev, &dev_attr_xgmi_device_id);
- sysfs_remove_link(&adev->dev->kobj, adev->ddev->unique);
- sysfs_remove_link(hive->kobj, adev->ddev->unique);
+ device_remove_file(adev->dev, &dev_attr_xgmi_error);
+
+ if (adev != hive->adev)
+ sysfs_remove_link(&adev->dev->kobj,"xgmi_hive_info");
+
+ sprintf(node, "node%d", hive->number_devices);
+ sysfs_remove_link(hive->kobj, node);
+
}
@@ -373,7 +382,13 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev, int lo
if (lock)
mutex_lock(&tmp->hive_lock);
- tmp->pstate = -1;
+ tmp->pstate = AMDGPU_XGMI_PSTATE_UNKNOWN;
+ tmp->hi_req_gpu = NULL;
+ /*
+ * hive pstate on boot is high in vega20 so we have to go to low
+ * pstate on after boot.
+ */
+ tmp->hi_req_count = AMDGPU_MAX_XGMI_DEVICE_PER_HIVE;
mutex_unlock(&xgmi_mutex);
return tmp;
@@ -383,56 +398,59 @@ int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate)
{
int ret = 0;
struct amdgpu_hive_info *hive = amdgpu_get_xgmi_hive(adev, 0);
- struct amdgpu_device *tmp_adev;
- bool update_hive_pstate = true;
- bool is_high_pstate = pstate && adev->asic_type == CHIP_VEGA20;
+ struct amdgpu_device *request_adev = hive->hi_req_gpu ?
+ hive->hi_req_gpu : adev;
+ bool is_hi_req = pstate == AMDGPU_XGMI_PSTATE_MAX_VEGA20;
+ bool init_low = hive->pstate == AMDGPU_XGMI_PSTATE_UNKNOWN;
- if (!hive)
+ /* fw bug so temporarily disable pstate switching */
+ return 0;
+
+ if (!hive || adev->asic_type != CHIP_VEGA20)
return 0;
mutex_lock(&hive->hive_lock);
- if (hive->pstate == pstate) {
- adev->pstate = is_high_pstate ? pstate : adev->pstate;
+ if (is_hi_req)
+ hive->hi_req_count++;
+ else
+ hive->hi_req_count--;
+
+ /*
+ * Vega20 only needs single peer to request pstate high for the hive to
+ * go high but all peers must request pstate low for the hive to go low
+ */
+ if (hive->pstate == pstate ||
+ (!is_hi_req && hive->hi_req_count && !init_low))
goto out;
- }
- dev_dbg(adev->dev, "Set xgmi pstate %d.\n", pstate);
+ dev_dbg(request_adev->dev, "Set xgmi pstate %d.\n", pstate);
- ret = amdgpu_dpm_set_xgmi_pstate(adev, pstate);
+ ret = amdgpu_dpm_set_xgmi_pstate(request_adev, pstate);
if (ret) {
- dev_err(adev->dev,
+ dev_err(request_adev->dev,
"XGMI: Set pstate failure on device %llx, hive %llx, ret %d",
- adev->gmc.xgmi.node_id,
- adev->gmc.xgmi.hive_id, ret);
+ request_adev->gmc.xgmi.node_id,
+ request_adev->gmc.xgmi.hive_id, ret);
goto out;
}
- /* Update device pstate */
- adev->pstate = pstate;
-
- /*
- * Update the hive pstate only all devices of the hive
- * are in the same pstate
- */
- list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) {
- if (tmp_adev->pstate != adev->pstate) {
- update_hive_pstate = false;
- break;
- }
- }
- if (update_hive_pstate || is_high_pstate)
+ if (init_low)
+ hive->pstate = hive->hi_req_count ?
+ hive->pstate : AMDGPU_XGMI_PSTATE_MIN;
+ else {
hive->pstate = pstate;
-
+ hive->hi_req_gpu = pstate != AMDGPU_XGMI_PSTATE_MIN ?
+ adev : NULL;
+ }
out:
mutex_unlock(&hive->hive_lock);
-
return ret;
}
int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_device *adev)
{
- int ret = -EINVAL;
+ int ret;
/* Each psp need to set the latest topology */
ret = psp_xgmi_set_topology_info(&adev->psp,
@@ -507,9 +525,6 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev)
goto exit;
}
- /* Set default device pstate */
- adev->pstate = -1;
-
top_info = &adev->psp.xgmi_context.top_info;
list_add_tail(&adev->gmc.xgmi.head, &hive->device_list);
@@ -577,14 +592,14 @@ int amdgpu_xgmi_remove_device(struct amdgpu_device *adev)
if (!hive)
return -EINVAL;
- if (!(hive->number_devices--)) {
+ task_barrier_rem_task(&hive->tb);
+ amdgpu_xgmi_sysfs_rem_dev_info(adev, hive);
+ mutex_unlock(&hive->hive_lock);
+
+ if(!(--hive->number_devices)){
amdgpu_xgmi_sysfs_destroy(adev, hive);
mutex_destroy(&hive->hive_lock);
mutex_destroy(&hive->reset_lock);
- } else {
- task_barrier_rem_task(&hive->tb);
- amdgpu_xgmi_sysfs_rem_dev_info(adev, hive);
- mutex_unlock(&hive->hive_lock);
}
return psp_xgmi_terminate(&adev->psp);
@@ -604,6 +619,8 @@ int amdgpu_xgmi_ras_late_init(struct amdgpu_device *adev)
adev->gmc.xgmi.num_physical_nodes == 0)
return 0;
+ amdgpu_xgmi_reset_ras_error_count(adev);
+
if (!adev->gmc.xgmi.ras_if) {
adev->gmc.xgmi.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL);
if (!adev->gmc.xgmi.ras_if)
@@ -641,31 +658,34 @@ void amdgpu_xgmi_ras_fini(struct amdgpu_device *adev)
uint64_t amdgpu_xgmi_get_relative_phy_addr(struct amdgpu_device *adev,
uint64_t addr)
{
- uint32_t df_inst_id;
- uint64_t dram_base_addr = 0;
- const struct amdgpu_df_funcs *df_funcs = adev->df.funcs;
-
- if ((!df_funcs) ||
- (!df_funcs->get_df_inst_id) ||
- (!df_funcs->get_dram_base_addr)) {
- dev_warn(adev->dev,
- "XGMI: relative phy_addr algorithm is not supported\n");
- return addr;
- }
-
- if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW)) {
- dev_warn(adev->dev,
- "failed to disable DF-Cstate, DF register may not be accessible\n");
- return addr;
- }
+ struct amdgpu_xgmi *xgmi = &adev->gmc.xgmi;
+ return (addr + xgmi->physical_node_id * xgmi->node_segment_size);
+}
- df_inst_id = df_funcs->get_df_inst_id(adev);
- dram_base_addr = df_funcs->get_dram_base_addr(adev, df_inst_id);
+static void pcs_clear_status(struct amdgpu_device *adev, uint32_t pcs_status_reg)
+{
+ WREG32_PCIE(pcs_status_reg, 0xFFFFFFFF);
+ WREG32_PCIE(pcs_status_reg, 0);
+}
- if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW))
- dev_warn(adev->dev, "failed to enable DF-Cstate\n");
+void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev)
+{
+ uint32_t i;
- return addr + dram_base_addr;
+ switch (adev->asic_type) {
+ case CHIP_ARCTURUS:
+ for (i = 0; i < ARRAY_SIZE(xgmi_pcs_err_status_reg_arct); i++)
+ pcs_clear_status(adev,
+ xgmi_pcs_err_status_reg_arct[i]);
+ break;
+ case CHIP_VEGA20:
+ for (i = 0; i < ARRAY_SIZE(xgmi_pcs_err_status_reg_vg20); i++)
+ pcs_clear_status(adev,
+ xgmi_pcs_err_status_reg_vg20[i]);
+ break;
+ default:
+ break;
+ }
}
static int amdgpu_xgmi_query_pcs_error_status(struct amdgpu_device *adev,
@@ -758,6 +778,8 @@ int amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev,
break;
}
+ amdgpu_xgmi_reset_ras_error_count(adev);
+
err_data->ue_count += ue_cnt;
err_data->ce_count += ce_cnt;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
index 4a92067fe595..6999eab16a72 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h
@@ -25,6 +25,7 @@
#include <drm/task_barrier.h>
#include "amdgpu_psp.h"
+
struct amdgpu_hive_info {
uint64_t hive_id;
struct list_head device_list;
@@ -33,8 +34,14 @@ struct amdgpu_hive_info {
struct kobject *kobj;
struct device_attribute dev_attr;
struct amdgpu_device *adev;
- int pstate; /*0 -- low , 1 -- high , -1 unknown*/
+ int hi_req_count;
+ struct amdgpu_device *hi_req_gpu;
struct task_barrier tb;
+ enum {
+ AMDGPU_XGMI_PSTATE_MIN,
+ AMDGPU_XGMI_PSTATE_MAX_VEGA20,
+ AMDGPU_XGMI_PSTATE_UNKNOWN
+ } pstate;
};
struct amdgpu_pcs_ras_field {
@@ -56,6 +63,7 @@ uint64_t amdgpu_xgmi_get_relative_phy_addr(struct amdgpu_device *adev,
uint64_t addr);
int amdgpu_xgmi_query_ras_error_count(struct amdgpu_device *adev,
void *ras_error_status);
+void amdgpu_xgmi_reset_ras_error_count(struct amdgpu_device *adev);
static inline bool amdgpu_xgmi_same_hive(struct amdgpu_device *adev,
struct amdgpu_device *bo_adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index cae426c7c086..4cfc786699c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -54,6 +54,8 @@
#define PLL_INDEX 2
#define PLL_DATA 3
+#define ATOM_CMD_TIMEOUT_SEC 20
+
typedef struct {
struct atom_context *ctx;
uint32_t *ps, *ws;
@@ -744,8 +746,9 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
cjiffies = jiffies;
if (time_after(cjiffies, ctx->last_jump_jiffies)) {
cjiffies -= ctx->last_jump_jiffies;
- if ((jiffies_to_msecs(cjiffies) > 10000)) {
- DRM_ERROR("atombios stuck in loop for more than 10secs aborting\n");
+ if ((jiffies_to_msecs(cjiffies) > ATOM_CMD_TIMEOUT_SEC*1000)) {
+ DRM_ERROR("atombios stuck in loop for more than %dsecs aborting\n",
+ ATOM_CMD_TIMEOUT_SEC);
ctx->abort = true;
}
} else {
diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c
index 62635e58e45e..fe306d0f73f7 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik.c
@@ -1809,12 +1809,6 @@ static uint32_t cik_get_rev_id(struct amdgpu_device *adev)
>> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT;
}
-static void cik_detect_hw_virtualization(struct amdgpu_device *adev)
-{
- if (is_virtual_machine()) /* passthrough mode */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
-}
-
static void cik_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
if (!ring || !ring->funcs->emit_wreg) {
@@ -2177,8 +2171,6 @@ static const struct amdgpu_ip_block_version cik_common_ip_block =
int cik_set_ip_blocks(struct amdgpu_device *adev)
{
- cik_detect_hw_virtualization(adev);
-
switch (adev->asic_type) {
case CHIP_BONAIRE:
amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 580d3f93d670..20f108818b2b 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -320,8 +320,6 @@ static void cik_sdma_gfx_stop(struct amdgpu_device *adev)
WREG32(mmSDMA0_GFX_RB_CNTL + sdma_offsets[i], rb_cntl);
WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], 0);
}
- sdma0->sched.ready = false;
- sdma1->sched.ready = false;
}
/**
@@ -679,7 +677,8 @@ static int cik_sdma_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err0;
@@ -980,7 +979,8 @@ static int cik_sdma_sw_init(void *handle)
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
- AMDGPU_SDMA_IRQ_INSTANCE1);
+ AMDGPU_SDMA_IRQ_INSTANCE1,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -1313,7 +1313,8 @@ static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev)
static void cik_sdma_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = SDMA_PACKET(SDMA_OPCODE_COPY, SDMA_COPY_SUB_OPCODE_LINEAR, 0);
ib->ptr[ib->length_dw++] = byte_count;
diff --git a/drivers/gpu/drm/amd/amdgpu/cikd.h b/drivers/gpu/drm/amd/amdgpu/cikd.h
index cee6e8a3ad9c..5f3f6ebfb387 100644
--- a/drivers/gpu/drm/amd/amdgpu/cikd.h
+++ b/drivers/gpu/drm/amd/amdgpu/cikd.h
@@ -450,7 +450,7 @@
# define PACKET3_DMA_DATA_CMD_SAIC (1 << 28)
# define PACKET3_DMA_DATA_CMD_DAIC (1 << 29)
# define PACKET3_DMA_DATA_CMD_RAW_WAIT (1 << 30)
-#define PACKET3_AQUIRE_MEM 0x58
+#define PACKET3_ACQUIRE_MEM 0x58
#define PACKET3_REWIND 0x59
#define PACKET3_LOAD_UCONFIG_REG 0x5E
#define PACKET3_LOAD_SH_REG 0x5F
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 2512e7ebfedf..e38744d06f4e 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2303,9 +2303,9 @@ static void dce_v10_0_hide_cursor(struct drm_crtc *crtc)
struct amdgpu_device *adev = crtc->dev->dev_private;
u32 tmp;
- tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
}
static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
@@ -2319,10 +2319,10 @@ static void dce_v10_0_show_cursor(struct drm_crtc *crtc)
WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
lower_32_bits(amdgpu_crtc->cursor_addr));
- tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
}
static int dce_v10_0_cursor_move_locked(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index 0dde22db9848..2584ff74423b 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -2382,9 +2382,9 @@ static void dce_v11_0_hide_cursor(struct drm_crtc *crtc)
struct amdgpu_device *adev = crtc->dev->dev_private;
u32 tmp;
- tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 0);
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
}
static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
@@ -2398,10 +2398,10 @@ static void dce_v11_0_show_cursor(struct drm_crtc *crtc)
WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
lower_32_bits(amdgpu_crtc->cursor_addr));
- tmp = RREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
+ tmp = RREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_EN, 1);
tmp = REG_SET_FIELD(tmp, CUR_CONTROL, CURSOR_MODE, 2);
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset, tmp);
}
static int dce_v11_0_cursor_move_locked(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index 84219534bd38..d05c39f9ae40 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2194,9 +2194,9 @@ static void dce_v6_0_hide_cursor(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct amdgpu_device *adev = crtc->dev->dev_private;
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
- (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
- (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
}
@@ -2211,10 +2211,10 @@ static void dce_v6_0_show_cursor(struct drm_crtc *crtc)
WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
lower_32_bits(amdgpu_crtc->cursor_addr));
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
- CUR_CONTROL__CURSOR_EN_MASK |
- (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
- (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ CUR_CONTROL__CURSOR_EN_MASK |
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
}
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 3a640702d7d1..ad0f8adb6a2b 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2205,9 +2205,9 @@ static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
struct amdgpu_device *adev = crtc->dev->dev_private;
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
- (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
- (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
}
static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
@@ -2220,10 +2220,10 @@ static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
lower_32_bits(amdgpu_crtc->cursor_addr));
- WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
- CUR_CONTROL__CURSOR_EN_MASK |
- (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
- (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
+ WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
+ CUR_CONTROL__CURSOR_EN_MASK |
+ (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
+ (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
}
static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
index 13e12be667fc..d5ff7b6331ff 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c
@@ -172,8 +172,9 @@ static void dce_virtual_crtc_disable(struct drm_crtc *crtc)
{
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
- dce_virtual_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ drm_crtc_vblank_off(crtc);
+ amdgpu_crtc->enabled = false;
amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
amdgpu_crtc->encoder = NULL;
amdgpu_crtc->connector = NULL;
@@ -286,7 +287,7 @@ static int dce_virtual_get_modes(struct drm_connector *connector)
static const struct mode_size {
int w;
int h;
- } common_modes[17] = {
+ } common_modes[21] = {
{ 640, 480},
{ 720, 480},
{ 800, 600},
@@ -303,10 +304,14 @@ static int dce_virtual_get_modes(struct drm_connector *connector)
{1680, 1050},
{1600, 1200},
{1920, 1080},
- {1920, 1200}
+ {1920, 1200},
+ {4096, 3112},
+ {3656, 2664},
+ {3840, 2160},
+ {4096, 2160},
};
- for (i = 0; i < 17; i++) {
+ for (i = 0; i < 21; i++) {
mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
drm_mode_probed_add(connector, mode);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
index 5a1bd8ed1a6c..a7b8292cefee 100644
--- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
+++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
@@ -686,58 +686,6 @@ static void df_v3_6_pmc_get_count(struct amdgpu_device *adev,
}
}
-static uint64_t df_v3_6_get_dram_base_addr(struct amdgpu_device *adev,
- uint32_t df_inst)
-{
- uint32_t base_addr_reg_val = 0;
- uint64_t base_addr = 0;
-
- base_addr_reg_val = RREG32_PCIE(smnDF_CS_UMC_AON0_DramBaseAddress0 +
- df_inst * DF_3_6_SMN_REG_INST_DIST);
-
- if (REG_GET_FIELD(base_addr_reg_val,
- DF_CS_UMC_AON0_DramBaseAddress0,
- AddrRngVal) == 0) {
- DRM_WARN("address range not valid");
- return 0;
- }
-
- base_addr = REG_GET_FIELD(base_addr_reg_val,
- DF_CS_UMC_AON0_DramBaseAddress0,
- DramBaseAddr);
-
- return base_addr << 28;
-}
-
-static uint32_t df_v3_6_get_df_inst_id(struct amdgpu_device *adev)
-{
- uint32_t xgmi_node_id = 0;
- uint32_t df_inst_id = 0;
-
- /* Walk through DF dst nodes to find current XGMI node */
- for (df_inst_id = 0; df_inst_id < DF_3_6_INST_CNT; df_inst_id++) {
-
- xgmi_node_id = RREG32_PCIE(smnDF_CS_UMC_AON0_DramLimitAddress0 +
- df_inst_id * DF_3_6_SMN_REG_INST_DIST);
- xgmi_node_id = REG_GET_FIELD(xgmi_node_id,
- DF_CS_UMC_AON0_DramLimitAddress0,
- DstFabricID);
-
- /* TODO: establish reason dest fabric id is offset by 7 */
- xgmi_node_id = xgmi_node_id >> 7;
-
- if (adev->gmc.xgmi.physical_node_id == xgmi_node_id)
- break;
- }
-
- if (df_inst_id == DF_3_6_INST_CNT) {
- DRM_WARN("cant match df dst id with gpu node");
- return 0;
- }
-
- return df_inst_id;
-}
-
const struct amdgpu_df_funcs df_v3_6_funcs = {
.sw_init = df_v3_6_sw_init,
.sw_fini = df_v3_6_sw_fini,
@@ -752,6 +700,4 @@ const struct amdgpu_df_funcs df_v3_6_funcs = {
.pmc_get_count = df_v3_6_pmc_get_count,
.get_fica = df_v3_6_get_fica,
.set_fica = df_v3_6_set_fica,
- .get_dram_base_addr = df_v3_6_get_dram_base_addr,
- .get_df_inst_id = df_v3_6_get_df_inst_id
};
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index f92c158d89a1..bd5dd4f64311 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -138,6 +138,1062 @@ static const struct soc15_reg_golden golden_settings_gc_10_0_nv10[] =
/* Pending on emulation bring up */
};
+static const struct soc15_reg_golden golden_settings_gc_rlc_spm_10_0_nv10[] =
+{
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xe0000000, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xec),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xec),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xfc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xfc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x100),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x100),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x104),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x104),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x118),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x118),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x11c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x11c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x120),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x120),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x124),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x124),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xdc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xdc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x110),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x110),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x114),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x114),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x108),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x108),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x128),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x128),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x12c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x12c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x138),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x138),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x13c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x13c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x130),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x130),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x134),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x134),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x140),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x140),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x144),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x144),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x150),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x150),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x154),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x154),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x148),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x148),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x158),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x158),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x15c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x15c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x168),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x168),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x16c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x16c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x160),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x160),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x164),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x164),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x170),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x170),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x174),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x174),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x180),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x180),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x184),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x184),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x178),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x178),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x17c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x17c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x188),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x188),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x198),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x198),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x19c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x19c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x190),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x190),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x194),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x194),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_SAMPLE_SKEW, 0x000000FF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_MUXSEL_SKEW, 0x000000FF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_DESER_START_SKEW, 0x000000FF, 0x33),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xFFFFFFFF, 0xe0000000)
+};
+
static const struct soc15_reg_golden golden_settings_gc_10_1_1[] =
{
SOC15_REG_GOLDEN_VALUE(GC, 0, mmCB_HW_CONTROL_4, 0xffffffff, 0x003c0014),
@@ -272,11 +1328,1691 @@ static const struct soc15_reg_golden golden_settings_gc_10_1_nv14[] =
/* Pending on emulation bring up */
};
+static const struct soc15_reg_golden golden_settings_gc_rlc_spm_10_1_nv14[] =
+{
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xE0000000L, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1e),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xdc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xec),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x100),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x104),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x108),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x110),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x114),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x118),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x11c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x130),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x134),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x138),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x13c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x128),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x12c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x120),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x124),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x140),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x144),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x150),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x154),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x148),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x158),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x15c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x168),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x16c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x160),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x164),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x170),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x174),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x180),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x184),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x178),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x17c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x188),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x198),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x19c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x190),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x194),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1a0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1a4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1b0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1b4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1a8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1ac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1b8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1bc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1cc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_SAMPLE_SKEW, 0x000000FF, 0x26),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_MUXSEL_SKEW, 0x000000FF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x25),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_DESER_START_SKEW, 0x000000FF, 0x3b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xFFFFFFFF, 0xe0000000)
+};
+
static const struct soc15_reg_golden golden_settings_gc_10_1_2_nv12[] =
{
/* Pending on emulation bring up */
};
+static const struct soc15_reg_golden golden_settings_gc_rlc_spm_10_1_2_nv12[] =
+{
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xe0000000L, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x2),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x3),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x20),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x24),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x28),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x38),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x3c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x18),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x50),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x54),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x58),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x5c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x48),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x40),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x44),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1a),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x60),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x64),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x70),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x74),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x68),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x6c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x78),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x7c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x88),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x8c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x80),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x84),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x90),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x94),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x98),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x9c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xa8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xac),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xbc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xb4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xc8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xcc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xec),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xec),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x16),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xf8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xfc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xfc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x17),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x100),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x100),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x13),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x104),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x104),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xe0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x118),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x118),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x11c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x11c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x120),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x120),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x124),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x124),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xdc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xdc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x110),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x110),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x114),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x114),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x14),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x108),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x108),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x10c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x19),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0xd8),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1b),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x128),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x128),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x12c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x12c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x138),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x138),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x13c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x13c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x130),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x130),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x12),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x134),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x134),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xf),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x140),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x140),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x144),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x144),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x150),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x150),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x154),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x154),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x148),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x148),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x14c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x7),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x158),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x158),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x15c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x15c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x168),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x168),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xa),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x16c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x16c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x9),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x160),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x160),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x164),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x164),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x170),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x170),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x174),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x174),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x180),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x180),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x184),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x184),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x178),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x178),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x17c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x17c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x188),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x188),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x18c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x5),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x198),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x198),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xc),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x19c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x19c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x190),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x190),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xe),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x194),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x194),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x30),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xd),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x34),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x11),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1d),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x4),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_ADDR, 0xFFFFFFFF, 0x2c),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLB_SAMPLEDELAY_IND_DATA, 0xFFFFFFFF, 0xb),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_SAMPLE_SKEW, 0x000000FF, 0x1f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_GLOBALS_MUXSEL_SKEW, 0x000000FF, 0x22),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0x1),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_SAMPLE_SKEW, 0x000000FF, 0x6),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x10),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x10000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_SE_MUXSEL_SKEW, 0x000000FF, 0x15),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xffffff, 0x0),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmRLC_SPM_DESER_START_SKEW, 0x000000FF, 0x35),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmGRBM_GFX_INDEX, 0xFFFFFFFF, 0xe0000000)
+};
+
#define DEFAULT_SH_MEM_CONFIG \
((SH_MEM_ADDRESS_MODE_64 << SH_MEM_CONFIG__ADDRESS_MODE__SHIFT) | \
(SH_MEM_ALIGNMENT_MODE_UNALIGNED << SH_MEM_CONFIG__ALIGNMENT_MODE__SHIFT) | \
@@ -301,7 +3037,7 @@ static int gfx_v10_0_rlc_backdoor_autoload_enable(struct amdgpu_device *adev);
static int gfx_v10_0_wait_for_rlc_autoload_complete(struct amdgpu_device *adev);
static void gfx_v10_0_ring_emit_ce_meta(struct amdgpu_ring *ring, bool resume);
static void gfx_v10_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume);
-static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start);
+static void gfx_v10_0_ring_emit_frame_cntl(struct amdgpu_ring *ring, bool start, bool secure);
static void gfx10_kiq_set_resources(struct amdgpu_ring *kiq_ring, uint64_t queue_mask)
{
@@ -431,6 +3167,9 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
soc15_program_register_sequence(adev,
golden_settings_gc_10_0_nv10,
(const u32)ARRAY_SIZE(golden_settings_gc_10_0_nv10));
+ soc15_program_register_sequence(adev,
+ golden_settings_gc_rlc_spm_10_0_nv10,
+ (const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_0_nv10));
break;
case CHIP_NAVI14:
soc15_program_register_sequence(adev,
@@ -439,6 +3178,9 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
soc15_program_register_sequence(adev,
golden_settings_gc_10_1_nv14,
(const u32)ARRAY_SIZE(golden_settings_gc_10_1_nv14));
+ soc15_program_register_sequence(adev,
+ golden_settings_gc_rlc_spm_10_1_nv14,
+ (const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_nv14));
break;
case CHIP_NAVI12:
soc15_program_register_sequence(adev,
@@ -447,6 +3189,9 @@ static void gfx_v10_0_init_golden_registers(struct amdgpu_device *adev)
soc15_program_register_sequence(adev,
golden_settings_gc_10_1_2_nv12,
(const u32)ARRAY_SIZE(golden_settings_gc_10_1_2_nv12));
+ soc15_program_register_sequence(adev,
+ golden_settings_gc_rlc_spm_10_1_2_nv12,
+ (const u32)ARRAY_SIZE(golden_settings_gc_rlc_spm_10_1_2_nv12));
break;
default:
break;
@@ -557,7 +3302,8 @@ static int gfx_v10_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
gpu_addr = adev->wb.gpu_addr + (index * 4);
adev->wb.wb[index] = cpu_to_le32(0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 16, &ib);
+ r = amdgpu_ib_get(adev, NULL, 16,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;
@@ -1298,7 +4044,8 @@ static int gfx_v10_0_gfx_ring_init(struct amdgpu_device *adev, int ring_id,
irq_type = AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP + ring->pipe;
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
return 0;
@@ -1309,7 +4056,8 @@ static int gfx_v10_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
{
int r;
unsigned irq_type;
- struct amdgpu_ring *ring = &adev->gfx.compute_ring[ring_id];
+ struct amdgpu_ring *ring;
+ unsigned int hw_prio;
ring = &adev->gfx.compute_ring[ring_id];
@@ -1328,10 +4076,11 @@ static int gfx_v10_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
-
+ hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue) ?
+ AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_GFX_PIPE_PRIO_NORMAL;
/* type-2 packets are deprecated on MEC, use type-3 instead */
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type, hw_prio);
if (r)
return r;
@@ -1829,9 +4578,9 @@ static int gfx_v10_0_init_csb(struct amdgpu_device *adev)
/* csib */
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_ADDR_HI,
- adev->gfx.rlc.clear_state_gpu_addr >> 32);
+ adev->gfx.rlc.clear_state_gpu_addr >> 32);
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_ADDR_LO,
- adev->gfx.rlc.clear_state_gpu_addr & 0xfffffffc);
+ adev->gfx.rlc.clear_state_gpu_addr & 0xfffffffc);
WREG32_SOC15_RLC(GC, 0, mmRLC_CSIB_LENGTH, adev->gfx.rlc.clear_state_size);
return 0;
@@ -2441,10 +5190,6 @@ static int gfx_v10_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, enable ? 0 : 1);
- if (!enable) {
- for (i = 0; i < adev->gfx.num_gfx_rings; i++)
- adev->gfx.gfx_ring[i].sched.ready = false;
- }
WREG32_SOC15_RLC(GC, 0, mmCP_ME_CNTL, tmp);
for (i = 0; i < adev->usec_timeout; i++) {
@@ -2923,16 +5668,12 @@ static int gfx_v10_0_cp_gfx_resume(struct amdgpu_device *adev)
static void gfx_v10_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
-
if (enable) {
WREG32_SOC15(GC, 0, mmCP_MEC_CNTL, 0);
} else {
WREG32_SOC15(GC, 0, mmCP_MEC_CNTL,
(CP_MEC_CNTL__MEC_ME1_HALT_MASK |
CP_MEC_CNTL__MEC_ME2_HALT_MASK));
- for (i = 0; i < adev->gfx.num_compute_rings; i++)
- adev->gfx.compute_ring[i].sched.ready = false;
adev->gfx.kiq.ring.sched.ready = false;
}
udelay(50);
@@ -3268,11 +6009,8 @@ static void gfx_v10_0_compute_mqd_set_priority(struct amdgpu_ring *ring, struct
if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue)) {
mqd->cp_hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH;
- ring->has_high_prio = true;
mqd->cp_hqd_queue_priority =
AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM;
- } else {
- ring->has_high_prio = false;
}
}
}
@@ -3802,14 +6540,16 @@ static int gfx_v10_0_hw_init(void *handle)
* loaded firstly, so in direct type, it has to load smc ucode
* here before rlc.
*/
- r = smu_load_microcode(&adev->smu);
- if (r)
- return r;
+ if (adev->smu.ppt_funcs != NULL) {
+ r = smu_load_microcode(&adev->smu);
+ if (r)
+ return r;
- r = smu_check_fw_status(&adev->smu);
- if (r) {
- pr_err("SMC firmware status is not correct\n");
- return r;
+ r = smu_check_fw_status(&adev->smu);
+ if (r) {
+ pr_err("SMC firmware status is not correct\n");
+ return r;
+ }
}
}
@@ -4273,7 +7013,7 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev,
/* === CGCG /CGLS for GFX 3D Only === */
gfx_v10_0_update_3d_clock_gating(adev, enable);
/* === MGCG + MGLS === */
- /* gfx_v10_0_update_medium_grain_clock_gating(adev, enable); */
+ gfx_v10_0_update_medium_grain_clock_gating(adev, enable);
}
if (adev->cg_flags &
@@ -4292,14 +7032,21 @@ static int gfx_v10_0_update_gfx_clock_gating(struct amdgpu_device *adev,
static void gfx_v10_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid)
{
- u32 data;
+ u32 reg, data;
- data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL);
+ reg = SOC15_REG_OFFSET(GC, 0, mmRLC_SPM_MC_CNTL);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ data = RREG32_NO_KIQ(reg);
+ else
+ data = RREG32(reg);
data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK;
data |= (vmid & RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK) << RLC_SPM_MC_CNTL__RLC_SPM_VMID__SHIFT;
- WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ else
+ WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data);
}
static bool gfx_v10_0_check_rlcg_range(struct amdgpu_device *adev,
@@ -4341,6 +7088,20 @@ static const struct amdgpu_rlc_funcs gfx_v10_0_rlc_funcs = {
.reset = gfx_v10_0_rlc_reset,
.start = gfx_v10_0_rlc_start,
.update_spm_vmid = gfx_v10_0_update_spm_vmid,
+};
+
+static const struct amdgpu_rlc_funcs gfx_v10_0_rlc_funcs_sriov = {
+ .is_rlc_enabled = gfx_v10_0_is_rlc_enabled,
+ .set_safe_mode = gfx_v10_0_set_safe_mode,
+ .unset_safe_mode = gfx_v10_0_unset_safe_mode,
+ .init = gfx_v10_0_rlc_init,
+ .get_csb_size = gfx_v10_0_get_csb_size,
+ .get_csb_buffer = gfx_v10_0_get_csb_buffer,
+ .resume = gfx_v10_0_rlc_resume,
+ .stop = gfx_v10_0_rlc_stop,
+ .reset = gfx_v10_0_rlc_reset,
+ .start = gfx_v10_0_rlc_start,
+ .update_spm_vmid = gfx_v10_0_update_spm_vmid,
.rlcg_wreg = gfx_v10_rlcg_wreg,
.is_rlcg_access_range = gfx_v10_0_is_rlcg_access_range,
};
@@ -4350,14 +7111,14 @@ static int gfx_v10_0_set_powergating_state(void *handle,
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool enable = (state == AMD_PG_STATE_GATE);
+
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
switch (adev->asic_type) {
case CHIP_NAVI10:
case CHIP_NAVI14:
- if (!enable) {
- amdgpu_gfx_off_ctrl(adev, false);
- cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
- } else
- amdgpu_gfx_off_ctrl(adev, true);
+ amdgpu_gfx_off_ctrl(adev, enable);
break;
default:
break;
@@ -4370,6 +7131,9 @@ static int gfx_v10_0_set_clockgating_state(void *handle,
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
switch (adev->asic_type) {
case CHIP_NAVI10:
case CHIP_NAVI14:
@@ -4682,7 +7446,8 @@ static void gfx_v10_0_ring_emit_sb(struct amdgpu_ring *ring)
amdgpu_ring_write(ring, 0);
}
-static void gfx_v10_0_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
+static void gfx_v10_0_ring_emit_cntxcntl(struct amdgpu_ring *ring,
+ uint32_t flags)
{
uint32_t dw2 = 0;
@@ -4690,8 +7455,6 @@ static void gfx_v10_0_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flag
gfx_v10_0_ring_emit_ce_meta(ring,
(!amdgpu_sriov_vf(ring->adev) && flags & AMDGPU_IB_PREEMPTED) ? true : false);
- gfx_v10_0_ring_emit_tmz(ring, true);
-
dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */
if (flags & AMDGPU_HAVE_CTX_SWITCH) {
/* set load_global_config & load_global_uconfig */
@@ -4848,16 +7611,19 @@ static void gfx_v10_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume)
sizeof(de_payload) >> 2);
}
-static void gfx_v10_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start)
+static void gfx_v10_0_ring_emit_frame_cntl(struct amdgpu_ring *ring, bool start,
+ bool secure)
{
+ uint32_t v = secure ? FRAME_TMZ : 0;
+
amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0));
- amdgpu_ring_write(ring, FRAME_CMD(start ? 0 : 1)); /* frame_end */
+ amdgpu_ring_write(ring, v | FRAME_CMD(start ? 0 : 1));
}
-static void gfx_v10_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
+static void gfx_v10_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t reg_val_offs)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_kiq *kiq = &adev->gfx.kiq;
amdgpu_ring_write(ring, PACKET3(PACKET3_COPY_DATA, 4));
amdgpu_ring_write(ring, 0 | /* src: register*/
@@ -4866,9 +7632,9 @@ static void gfx_v10_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, lower_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
amdgpu_ring_write(ring, upper_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
}
static void gfx_v10_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
@@ -4918,6 +7684,19 @@ static void gfx_v10_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
ref, mask);
}
+static void gfx_v10_0_ring_soft_recovery(struct amdgpu_ring *ring,
+ unsigned vmid)
+{
+ struct amdgpu_device *adev = ring->adev;
+ uint32_t value = 0;
+
+ value = REG_SET_FIELD(value, SQ_CMD, CMD, 0x03);
+ value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);
+ value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);
+ value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);
+ WREG32_SOC15(GC, 0, mmSQ_CMD, value);
+}
+
static void
gfx_v10_0_set_gfx_eop_interrupt_state(struct amdgpu_device *adev,
uint32_t me, uint32_t pipe,
@@ -5241,6 +8020,29 @@ static int gfx_v10_0_kiq_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v10_0_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ const unsigned int gcr_cntl =
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_INV(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_WB(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GLM_INV(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GLM_WB(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GL1_INV(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GLV_INV(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GLK_INV(1) |
+ PACKET3_ACQUIRE_MEM_GCR_CNTL_GLI_INV(1);
+
+ /* ACQUIRE_MEM - make one or more surfaces valid for use by the subsequent operations */
+ amdgpu_ring_write(ring, PACKET3(PACKET3_ACQUIRE_MEM, 6));
+ amdgpu_ring_write(ring, 0); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0xffffff); /* CP_COHER_SIZE_HI */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE_HI */
+ amdgpu_ring_write(ring, 0x0000000A); /* POLL_INTERVAL */
+ amdgpu_ring_write(ring, gcr_cntl); /* GCR_CNTL */
+}
+
static const struct amd_ip_funcs gfx_v10_0_ip_funcs = {
.name = "gfx_v10_0",
.early_init = gfx_v10_0_early_init,
@@ -5288,7 +8090,8 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = {
3 + /* CNTX_CTRL */
5 + /* HDP_INVL */
8 + 8 + /* FENCE x2 */
- 2, /* SWITCH_BUFFER */
+ 2 + /* SWITCH_BUFFER */
+ 8, /* gfx_v10_0_emit_mem_sync */
.emit_ib_size = 4, /* gfx_v10_0_ring_emit_ib_gfx */
.emit_ib = gfx_v10_0_ring_emit_ib_gfx,
.emit_fence = gfx_v10_0_ring_emit_fence,
@@ -5305,10 +8108,12 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_gfx = {
.init_cond_exec = gfx_v10_0_ring_emit_init_cond_exec,
.patch_cond_exec = gfx_v10_0_ring_emit_patch_cond_exec,
.preempt_ib = gfx_v10_0_ring_preempt_ib,
- .emit_tmz = gfx_v10_0_ring_emit_tmz,
+ .emit_frame_cntl = gfx_v10_0_ring_emit_frame_cntl,
.emit_wreg = gfx_v10_0_ring_emit_wreg,
.emit_reg_wait = gfx_v10_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait,
+ .soft_recovery = gfx_v10_0_ring_soft_recovery,
+ .emit_mem_sync = gfx_v10_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = {
@@ -5328,7 +8133,8 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = {
SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 7 +
2 + /* gfx_v10_0_ring_emit_vm_flush */
- 8 + 8 + 8, /* gfx_v10_0_ring_emit_fence x3 for user fence, vm fence */
+ 8 + 8 + 8 + /* gfx_v10_0_ring_emit_fence x3 for user fence, vm fence */
+ 8, /* gfx_v10_0_emit_mem_sync */
.emit_ib_size = 7, /* gfx_v10_0_ring_emit_ib_compute */
.emit_ib = gfx_v10_0_ring_emit_ib_compute,
.emit_fence = gfx_v10_0_ring_emit_fence,
@@ -5343,6 +8149,7 @@ static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_compute = {
.emit_wreg = gfx_v10_0_ring_emit_wreg,
.emit_reg_wait = gfx_v10_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = gfx_v10_0_ring_emit_reg_write_reg_wait,
+ .emit_mem_sync = gfx_v10_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v10_0_ring_funcs_kiq = {
@@ -5429,9 +8236,11 @@ static void gfx_v10_0_set_rlc_funcs(struct amdgpu_device *adev)
switch (adev->asic_type) {
case CHIP_NAVI10:
case CHIP_NAVI14:
- case CHIP_NAVI12:
adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs;
break;
+ case CHIP_NAVI12:
+ adev->gfx.rlc.funcs = &gfx_v10_0_rlc_funcs_sriov;
+ break;
default:
break;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 31f44d05e606..79c52c7a02e3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1914,7 +1914,8 @@ static int gfx_v6_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
WREG32(scratch, 0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;
@@ -1950,7 +1951,6 @@ err1:
static void gfx_v6_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
if (enable) {
WREG32(mmCP_ME_CNTL, 0);
} else {
@@ -1958,10 +1958,6 @@ static void gfx_v6_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
CP_ME_CNTL__PFP_HALT_MASK |
CP_ME_CNTL__CE_HALT_MASK));
WREG32(mmSCRATCH_UMSK, 0);
- for (i = 0; i < adev->gfx.num_gfx_rings; i++)
- adev->gfx.gfx_ring[i].sched.ready = false;
- for (i = 0; i < adev->gfx.num_compute_rings; i++)
- adev->gfx.compute_ring[i].sched.ready = false;
}
udelay(50);
}
@@ -3114,7 +3110,9 @@ static int gfx_v6_0_sw_init(void *handle)
ring->ring_obj = NULL;
sprintf(ring->name, "gfx");
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP);
+ &adev->gfx.eop_irq,
+ AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -3136,7 +3134,8 @@ static int gfx_v6_0_sw_init(void *handle)
sprintf(ring->name, "comp_%d.%d.%d", ring->me, ring->pipe, ring->queue);
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP + ring->pipe;
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -3466,6 +3465,18 @@ static int gfx_v6_0_set_powergating_state(void *handle,
return 0;
}
+static void gfx_v6_0_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ amdgpu_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
+}
+
static const struct amd_ip_funcs gfx_v6_0_ip_funcs = {
.name = "gfx_v6_0",
.early_init = gfx_v6_0_early_init,
@@ -3496,7 +3507,8 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = {
14 + 14 + 14 + /* gfx_v6_0_ring_emit_fence x3 for user fence, vm fence */
7 + 4 + /* gfx_v6_0_ring_emit_pipeline_sync */
SI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + 6 + /* gfx_v6_0_ring_emit_vm_flush */
- 3 + 2, /* gfx_v6_ring_emit_cntxcntl including vgt flush */
+ 3 + 2 + /* gfx_v6_ring_emit_cntxcntl including vgt flush */
+ 5, /* SURFACE_SYNC */
.emit_ib_size = 6, /* gfx_v6_0_ring_emit_ib */
.emit_ib = gfx_v6_0_ring_emit_ib,
.emit_fence = gfx_v6_0_ring_emit_fence,
@@ -3507,6 +3519,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_gfx = {
.insert_nop = amdgpu_ring_insert_nop,
.emit_cntxcntl = gfx_v6_ring_emit_cntxcntl,
.emit_wreg = gfx_v6_0_ring_emit_wreg,
+ .emit_mem_sync = gfx_v6_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = {
@@ -3520,7 +3533,8 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = {
5 + 5 + /* hdp flush / invalidate */
7 + /* gfx_v6_0_ring_emit_pipeline_sync */
SI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v6_0_ring_emit_vm_flush */
- 14 + 14 + 14, /* gfx_v6_0_ring_emit_fence x3 for user fence, vm fence */
+ 14 + 14 + 14 + /* gfx_v6_0_ring_emit_fence x3 for user fence, vm fence */
+ 5, /* SURFACE_SYNC */
.emit_ib_size = 6, /* gfx_v6_0_ring_emit_ib */
.emit_ib = gfx_v6_0_ring_emit_ib,
.emit_fence = gfx_v6_0_ring_emit_fence,
@@ -3530,6 +3544,7 @@ static const struct amdgpu_ring_funcs gfx_v6_0_ring_funcs_compute = {
.test_ib = gfx_v6_0_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.emit_wreg = gfx_v6_0_ring_emit_wreg,
+ .emit_mem_sync = gfx_v6_0_emit_mem_sync,
};
static void gfx_v6_0_set_ring_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 733d398c61cc..0cc011f9190d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -2364,7 +2364,8 @@ static int gfx_v7_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
WREG32(scratch, 0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;
@@ -2431,15 +2432,12 @@ err1:
*/
static void gfx_v7_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
-
- if (enable) {
+ if (enable)
WREG32(mmCP_ME_CNTL, 0);
- } else {
- WREG32(mmCP_ME_CNTL, (CP_ME_CNTL__ME_HALT_MASK | CP_ME_CNTL__PFP_HALT_MASK | CP_ME_CNTL__CE_HALT_MASK));
- for (i = 0; i < adev->gfx.num_gfx_rings; i++)
- adev->gfx.gfx_ring[i].sched.ready = false;
- }
+ else
+ WREG32(mmCP_ME_CNTL, (CP_ME_CNTL__ME_HALT_MASK |
+ CP_ME_CNTL__PFP_HALT_MASK |
+ CP_ME_CNTL__CE_HALT_MASK));
udelay(50);
}
@@ -2700,15 +2698,11 @@ static void gfx_v7_0_ring_set_wptr_compute(struct amdgpu_ring *ring)
*/
static void gfx_v7_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
-
- if (enable) {
+ if (enable)
WREG32(mmCP_MEC_CNTL, 0);
- } else {
- WREG32(mmCP_MEC_CNTL, (CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK));
- for (i = 0; i < adev->gfx.num_compute_rings; i++)
- adev->gfx.compute_ring[i].sched.ready = false;
- }
+ else
+ WREG32(mmCP_MEC_CNTL, (CP_MEC_CNTL__MEC_ME1_HALT_MASK |
+ CP_MEC_CNTL__MEC_ME2_HALT_MASK));
udelay(50);
}
@@ -4439,7 +4433,8 @@ static int gfx_v7_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
/* type-2 packets are deprecated on MEC, use type-3 instead */
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -4511,7 +4506,9 @@ static int gfx_v7_0_sw_init(void *handle)
ring->ring_obj = NULL;
sprintf(ring->name, "gfx");
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP);
+ &adev->gfx.eop_irq,
+ AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -5001,6 +4998,32 @@ static int gfx_v7_0_set_powergating_state(void *handle,
return 0;
}
+static void gfx_v7_0_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ amdgpu_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
+}
+
+static void gfx_v7_0_emit_mem_sync_compute(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_ACQUIRE_MEM, 5));
+ amdgpu_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0xff); /* CP_COHER_SIZE_HI */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE_HI */
+ amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
+}
+
static const struct amd_ip_funcs gfx_v7_0_ip_funcs = {
.name = "gfx_v7_0",
.early_init = gfx_v7_0_early_init,
@@ -5033,7 +5056,8 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
12 + 12 + 12 + /* gfx_v7_0_ring_emit_fence_gfx x3 for user fence, vm fence */
7 + 4 + /* gfx_v7_0_ring_emit_pipeline_sync */
CIK_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + 6 + /* gfx_v7_0_ring_emit_vm_flush */
- 3 + 4, /* gfx_v7_ring_emit_cntxcntl including vgt flush*/
+ 3 + 4 + /* gfx_v7_ring_emit_cntxcntl including vgt flush*/
+ 5, /* SURFACE_SYNC */
.emit_ib_size = 4, /* gfx_v7_0_ring_emit_ib_gfx */
.emit_ib = gfx_v7_0_ring_emit_ib_gfx,
.emit_fence = gfx_v7_0_ring_emit_fence_gfx,
@@ -5048,6 +5072,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_gfx = {
.emit_cntxcntl = gfx_v7_ring_emit_cntxcntl,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
.soft_recovery = gfx_v7_0_ring_soft_recovery,
+ .emit_mem_sync = gfx_v7_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
@@ -5064,7 +5089,8 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
5 + /* hdp invalidate */
7 + /* gfx_v7_0_ring_emit_pipeline_sync */
CIK_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v7_0_ring_emit_vm_flush */
- 7 + 7 + 7, /* gfx_v7_0_ring_emit_fence_compute x3 for user fence, vm fence */
+ 7 + 7 + 7 + /* gfx_v7_0_ring_emit_fence_compute x3 for user fence, vm fence */
+ 7, /* gfx_v7_0_emit_mem_sync_compute */
.emit_ib_size = 7, /* gfx_v7_0_ring_emit_ib_compute */
.emit_ib = gfx_v7_0_ring_emit_ib_compute,
.emit_fence = gfx_v7_0_ring_emit_fence_compute,
@@ -5077,6 +5103,7 @@ static const struct amdgpu_ring_funcs gfx_v7_0_ring_funcs_compute = {
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_wreg = gfx_v7_0_ring_emit_wreg,
+ .emit_mem_sync = gfx_v7_0_emit_mem_sync_compute,
};
static void gfx_v7_0_set_ring_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index fc32586ef80b..1d4128227ffd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -888,7 +888,8 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
gpu_addr = adev->wb.gpu_addr + (index * 4);
adev->wb.wb[index] = cpu_to_le32(0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 16, &ib);
+ r = amdgpu_ib_get(adev, NULL, 16,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;
@@ -1550,7 +1551,8 @@ static int gfx_v8_0_do_edc_gpr_workarounds(struct amdgpu_device *adev)
/* allocate an indirect buffer to put the commands in */
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, total_size, &ib);
+ r = amdgpu_ib_get(adev, NULL, total_size,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r) {
DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
return r;
@@ -1892,6 +1894,7 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
int r;
unsigned irq_type;
struct amdgpu_ring *ring = &adev->gfx.compute_ring[ring_id];
+ unsigned int hw_prio;
ring = &adev->gfx.compute_ring[ring_id];
@@ -1911,9 +1914,11 @@ static int gfx_v8_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
+ hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue) ?
+ AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_RING_PRIO_DEFAULT;
/* type-2 packets are deprecated on MEC, use type-3 instead */
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type, hw_prio);
if (r)
return r;
@@ -2017,7 +2022,8 @@ static int gfx_v8_0_sw_init(void *handle)
}
r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
- AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP);
+ AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -4120,7 +4126,6 @@ static int gfx_v8_0_rlc_resume(struct amdgpu_device *adev)
static void gfx_v8_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
u32 tmp = RREG32(mmCP_ME_CNTL);
if (enable) {
@@ -4131,8 +4136,6 @@ static void gfx_v8_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, 1);
- for (i = 0; i < adev->gfx.num_gfx_rings; i++)
- adev->gfx.gfx_ring[i].sched.ready = false;
}
WREG32(mmCP_ME_CNTL, tmp);
udelay(50);
@@ -4320,14 +4323,10 @@ static int gfx_v8_0_cp_gfx_resume(struct amdgpu_device *adev)
static void gfx_v8_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
-
if (enable) {
WREG32(mmCP_MEC_CNTL, 0);
} else {
WREG32(mmCP_MEC_CNTL, (CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK));
- for (i = 0; i < adev->gfx.num_compute_rings; i++)
- adev->gfx.compute_ring[i].sched.ready = false;
adev->gfx.kiq.ring.sched.ready = false;
}
udelay(50);
@@ -4437,11 +4436,8 @@ static void gfx_v8_0_mqd_set_priority(struct amdgpu_ring *ring, struct vi_mqd *m
if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue)) {
mqd->cp_hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH;
- ring->has_high_prio = true;
mqd->cp_hqd_queue_priority =
AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM;
- } else {
- ring->has_high_prio = false;
}
}
}
@@ -5619,12 +5615,18 @@ static void gfx_v8_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid)
{
u32 data;
- data = RREG32(mmRLC_SPM_VMID);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ data = RREG32_NO_KIQ(mmRLC_SPM_VMID);
+ else
+ data = RREG32(mmRLC_SPM_VMID);
data &= ~RLC_SPM_VMID__RLC_SPM_VMID_MASK;
data |= (vmid & RLC_SPM_VMID__RLC_SPM_VMID_MASK) << RLC_SPM_VMID__RLC_SPM_VMID__SHIFT;
- WREG32(mmRLC_SPM_VMID, data);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ WREG32_NO_KIQ(mmRLC_SPM_VMID, data);
+ else
+ WREG32(mmRLC_SPM_VMID, data);
}
static const struct amdgpu_rlc_funcs iceland_rlc_funcs = {
@@ -6387,10 +6389,10 @@ static void gfx_v8_0_ring_emit_patch_cond_exec(struct amdgpu_ring *ring, unsigne
ring->ring[offset] = (ring->ring_size >> 2) - offset + cur;
}
-static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
+static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t reg_val_offs)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_kiq *kiq = &adev->gfx.kiq;
amdgpu_ring_write(ring, PACKET3(PACKET3_COPY_DATA, 4));
amdgpu_ring_write(ring, 0 | /* src: register*/
@@ -6399,9 +6401,9 @@ static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, lower_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
amdgpu_ring_write(ring, upper_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
}
static void gfx_v8_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
@@ -6815,6 +6817,34 @@ static int gfx_v8_0_sq_irq(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v8_0_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
+ amdgpu_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA |
+ PACKET3_TC_WB_ACTION_ENA); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
+}
+
+static void gfx_v8_0_emit_mem_sync_compute(struct amdgpu_ring *ring)
+{
+ amdgpu_ring_write(ring, PACKET3(PACKET3_ACQUIRE_MEM, 5));
+ amdgpu_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
+ PACKET3_TC_ACTION_ENA |
+ PACKET3_SH_KCACHE_ACTION_ENA |
+ PACKET3_SH_ICACHE_ACTION_ENA |
+ PACKET3_TC_WB_ACTION_ENA); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0xff); /* CP_COHER_SIZE_HI */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE_HI */
+ amdgpu_ring_write(ring, 0x0000000A); /* poll interval */
+}
+
static const struct amd_ip_funcs gfx_v8_0_ip_funcs = {
.name = "gfx_v8_0",
.early_init = gfx_v8_0_early_init,
@@ -6861,7 +6891,8 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
3 + /* CNTX_CTRL */
5 + /* HDP_INVL */
12 + 12 + /* FENCE x2 */
- 2, /* SWITCH_BUFFER */
+ 2 + /* SWITCH_BUFFER */
+ 5, /* SURFACE_SYNC */
.emit_ib_size = 4, /* gfx_v8_0_ring_emit_ib_gfx */
.emit_ib = gfx_v8_0_ring_emit_ib_gfx,
.emit_fence = gfx_v8_0_ring_emit_fence_gfx,
@@ -6879,6 +6910,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_gfx = {
.patch_cond_exec = gfx_v8_0_ring_emit_patch_cond_exec,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
.soft_recovery = gfx_v8_0_ring_soft_recovery,
+ .emit_mem_sync = gfx_v8_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
@@ -6895,7 +6927,8 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
5 + /* hdp_invalidate */
7 + /* gfx_v8_0_ring_emit_pipeline_sync */
VI_FLUSH_GPU_TLB_NUM_WREG * 5 + 7 + /* gfx_v8_0_ring_emit_vm_flush */
- 7 + 7 + 7, /* gfx_v8_0_ring_emit_fence_compute x3 for user fence, vm fence */
+ 7 + 7 + 7 + /* gfx_v8_0_ring_emit_fence_compute x3 for user fence, vm fence */
+ 7, /* gfx_v8_0_emit_mem_sync_compute */
.emit_ib_size = 7, /* gfx_v8_0_ring_emit_ib_compute */
.emit_ib = gfx_v8_0_ring_emit_ib_compute,
.emit_fence = gfx_v8_0_ring_emit_fence_compute,
@@ -6908,6 +6941,7 @@ static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.emit_wreg = gfx_v8_0_ring_emit_wreg,
+ .emit_mem_sync = gfx_v8_0_emit_mem_sync_compute,
};
static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_kiq = {
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 0c390485bc10..711e9dd19705 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -50,18 +50,14 @@
#include "gfx_v9_4.h"
+#include "asic_reg/pwr/pwr_10_0_offset.h"
+#include "asic_reg/pwr/pwr_10_0_sh_mask.h"
+
#define GFX9_NUM_GFX_RINGS 1
#define GFX9_MEC_HPD_SIZE 4096
#define RLCG_UCODE_LOADING_START_ADDRESS 0x00002000L
#define RLC_SAVE_RESTORE_ADDR_STARTING_OFFSET 0x00000000L
-#define mmPWR_MISC_CNTL_STATUS 0x0183
-#define mmPWR_MISC_CNTL_STATUS_BASE_IDX 0
-#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN__SHIFT 0x0
-#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS__SHIFT 0x1
-#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN_MASK 0x00000001L
-#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS_MASK 0x00000006L
-
#define mmGCEA_PROBE_MAP 0x070c
#define mmGCEA_PROBE_MAP_BASE_IDX 0
@@ -511,8 +507,8 @@ static const struct soc15_reg_golden golden_settings_gc_9_0[] =
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSH_MEM_CONFIG, 0x00001000, 0x00001000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_CU_0, 0x0007ffff, 0x00000800),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_CU_1, 0x0007ffff, 0x00000800),
- SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_EN_CU_0, 0x01ffffff, 0x0000ff87),
- SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_EN_CU_1, 0x01ffffff, 0x0000ff8f),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_EN_CU_0, 0x01ffffff, 0x00ffff87),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSPI_RESOURCE_RESERVE_EN_CU_1, 0x01ffffff, 0x00ffff8f),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSQC_CONFIG, 0x03000000, 0x020a2000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmTA_CNTL_AUX, 0xfffffeef, 0x010b0000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmTCP_CHAN_STEER_HI, 0xffffffff, 0x4a2c0e68),
@@ -963,7 +959,7 @@ static void gfx_v9_0_init_golden_registers(struct amdgpu_device *adev)
case CHIP_RAVEN:
soc15_program_register_sequence(adev, golden_settings_gc_9_1,
ARRAY_SIZE(golden_settings_gc_9_1));
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
soc15_program_register_sequence(adev,
golden_settings_gc_9_1_rv2,
ARRAY_SIZE(golden_settings_gc_9_1_rv2));
@@ -1082,7 +1078,8 @@ static int gfx_v9_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
gpu_addr = adev->wb.gpu_addr + (index * 4);
adev->wb.wb[index] = cpu_to_le32(0xCAFEDEAD);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 16, &ib);
+ r = amdgpu_ib_get(adev, NULL, 16,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err1;
@@ -1236,6 +1233,8 @@ static const struct amdgpu_gfxoff_quirk amdgpu_gfxoff_quirk_list[] = {
{ 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc8 },
/* https://bugzilla.kernel.org/show_bug.cgi?id=207171 */
{ 0x1002, 0x15dd, 0x103c, 0x83e7, 0xd3 },
+ /* GFXOFF is unstable on C6 parts with a VBIOS 113-RAVEN-114 */
+ { 0x1002, 0x15dd, 0x1002, 0x15dd, 0xc6 },
{ 0, 0, 0, 0, 0 },
};
@@ -1275,7 +1274,8 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)
case CHIP_VEGA20:
break;
case CHIP_RAVEN:
- if (!(adev->rev_id >= 0x8 || adev->pdev->device == 0x15d8) &&
+ if (!((adev->apu_flags & AMD_APU_IS_RAVEN2) ||
+ (adev->apu_flags & AMD_APU_IS_PICASSO)) &&
((!is_raven_kicker(adev) &&
adev->gfx.rlc_fw_version < 531) ||
(adev->gfx.rlc_feature_version < 1) ||
@@ -1618,9 +1618,9 @@ static int gfx_v9_0_init_microcode(struct amdgpu_device *adev)
chip_name = "vega20";
break;
case CHIP_RAVEN:
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
chip_name = "raven2";
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
chip_name = "picasso";
else
chip_name = "raven";
@@ -2120,7 +2120,7 @@ static int gfx_v9_0_gpu_early_init(struct amdgpu_device *adev)
adev->gfx.config.sc_prim_fifo_size_backend = 0x100;
adev->gfx.config.sc_hiz_tile_fifo_size = 0x30;
adev->gfx.config.sc_earlyz_tile_fifo_size = 0x4C0;
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
gb_addr_config = RAVEN2_GB_ADDR_CONFIG_GOLDEN;
else
gb_addr_config = RAVEN_GB_ADDR_CONFIG_GOLDEN;
@@ -2197,6 +2197,7 @@ static int gfx_v9_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
int r;
unsigned irq_type;
struct amdgpu_ring *ring = &adev->gfx.compute_ring[ring_id];
+ unsigned int hw_prio;
ring = &adev->gfx.compute_ring[ring_id];
@@ -2215,10 +2216,11 @@ static int gfx_v9_0_compute_ring_init(struct amdgpu_device *adev, int ring_id,
irq_type = AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
+ ((ring->me - 1) * adev->gfx.mec.num_pipe_per_mec)
+ ring->pipe;
-
+ hw_prio = amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue) ?
+ AMDGPU_GFX_PIPE_PRIO_HIGH : AMDGPU_GFX_PIPE_PRIO_NORMAL;
/* type-2 packets are deprecated on MEC, use type-3 instead */
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, irq_type);
+ &adev->gfx.eop_irq, irq_type, hw_prio);
if (r)
return r;
@@ -2312,7 +2314,9 @@ static int gfx_v9_0_sw_init(void *handle)
ring->use_doorbell = true;
ring->doorbell_index = adev->doorbell_index.gfx_ring0 << 1;
r = amdgpu_ring_init(adev, ring, 1024,
- &adev->gfx.eop_irq, AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP);
+ &adev->gfx.eop_irq,
+ AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -2530,7 +2534,7 @@ static void gfx_v9_0_init_sq_config(struct amdgpu_device *adev)
break;
default:
break;
- };
+ }
}
static void gfx_v9_0_constants_init(struct amdgpu_device *adev)
@@ -2965,8 +2969,7 @@ static void gfx_v9_0_init_pg(struct amdgpu_device *adev)
*/
if (adev->gfx.rlc.is_rlc_v2_1) {
if (adev->asic_type == CHIP_VEGA12 ||
- (adev->asic_type == CHIP_RAVEN &&
- adev->rev_id >= 8))
+ (adev->apu_flags & AMD_APU_IS_RAVEN2))
gfx_v9_1_init_rlc_save_restore_list(adev);
gfx_v9_0_enable_save_restore_machine(adev);
}
@@ -3102,16 +3105,11 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
static void gfx_v9_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
u32 tmp = RREG32_SOC15(GC, 0, mmCP_ME_CNTL);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, ME_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, PFP_HALT, enable ? 0 : 1);
tmp = REG_SET_FIELD(tmp, CP_ME_CNTL, CE_HALT, enable ? 0 : 1);
- if (!enable) {
- for (i = 0; i < adev->gfx.num_gfx_rings; i++)
- adev->gfx.gfx_ring[i].sched.ready = false;
- }
WREG32_SOC15_RLC(GC, 0, mmCP_ME_CNTL, tmp);
udelay(50);
}
@@ -3307,15 +3305,11 @@ static int gfx_v9_0_cp_gfx_resume(struct amdgpu_device *adev)
static void gfx_v9_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
{
- int i;
-
if (enable) {
WREG32_SOC15_RLC(GC, 0, mmCP_MEC_CNTL, 0);
} else {
WREG32_SOC15_RLC(GC, 0, mmCP_MEC_CNTL,
(CP_MEC_CNTL__MEC_ME1_HALT_MASK | CP_MEC_CNTL__MEC_ME2_HALT_MASK));
- for (i = 0; i < adev->gfx.num_compute_rings; i++)
- adev->gfx.compute_ring[i].sched.ready = false;
adev->gfx.kiq.ring.sched.ready = false;
}
udelay(50);
@@ -3385,11 +3379,8 @@ static void gfx_v9_0_mqd_set_priority(struct amdgpu_ring *ring, struct v9_mqd *m
if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE) {
if (amdgpu_gfx_is_high_priority_compute_queue(adev, ring->queue)) {
mqd->cp_hqd_pipe_priority = AMDGPU_GFX_PIPE_PRIO_HIGH;
- ring->has_high_prio = true;
mqd->cp_hqd_queue_priority =
AMDGPU_GFX_QUEUE_PRIORITY_MAXIMUM;
- } else {
- ring->has_high_prio = false;
}
}
}
@@ -4056,13 +4047,18 @@ static uint64_t gfx_v9_0_kiq_read_clock(struct amdgpu_device *adev)
{
signed long r, cnt = 0;
unsigned long flags;
- uint32_t seq;
+ uint32_t seq, reg_val_offs = 0;
+ uint64_t value = 0;
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
struct amdgpu_ring *ring = &kiq->ring;
BUG_ON(!ring->funcs->emit_rreg);
spin_lock_irqsave(&kiq->ring_lock, flags);
+ if (amdgpu_device_wb_get(adev, &reg_val_offs)) {
+ pr_err("critical bug! too many kiq readers\n");
+ goto failed_unlock;
+ }
amdgpu_ring_alloc(ring, 32);
amdgpu_ring_write(ring, PACKET3(PACKET3_COPY_DATA, 4));
amdgpu_ring_write(ring, 9 | /* src: register*/
@@ -4072,10 +4068,13 @@ static uint64_t gfx_v9_0_kiq_read_clock(struct amdgpu_device *adev)
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, lower_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
amdgpu_ring_write(ring, upper_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
- amdgpu_fence_emit_polling(ring, &seq);
+ reg_val_offs * 4));
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r)
+ goto failed_undo;
+
amdgpu_ring_commit(ring);
spin_unlock_irqrestore(&kiq->ring_lock, flags);
@@ -4101,10 +4100,19 @@ static uint64_t gfx_v9_0_kiq_read_clock(struct amdgpu_device *adev)
if (cnt > MAX_KIQ_REG_TRY)
goto failed_kiq_read;
- return (uint64_t)adev->wb.wb[kiq->reg_val_offs] |
- (uint64_t)adev->wb.wb[kiq->reg_val_offs + 1 ] << 32ULL;
+ mb();
+ value = (uint64_t)adev->wb.wb[reg_val_offs] |
+ (uint64_t)adev->wb.wb[reg_val_offs + 1 ] << 32ULL;
+ amdgpu_device_wb_free(adev, reg_val_offs);
+ return value;
+failed_undo:
+ amdgpu_ring_undo(ring);
+failed_unlock:
+ spin_unlock_irqrestore(&kiq->ring_lock, flags);
failed_kiq_read:
+ if (reg_val_offs)
+ amdgpu_device_wb_free(adev, reg_val_offs);
pr_err("failed to read gpu clock\n");
return ~0;
}
@@ -4489,7 +4497,8 @@ static int gfx_v9_0_do_edc_gpr_workarounds(struct amdgpu_device *adev)
/* allocate an indirect buffer to put the commands in */
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, total_size, &ib);
+ r = amdgpu_ib_get(adev, NULL, total_size,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r) {
DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
return r;
@@ -4960,14 +4969,21 @@ static int gfx_v9_0_update_gfx_clock_gating(struct amdgpu_device *adev,
static void gfx_v9_0_update_spm_vmid(struct amdgpu_device *adev, unsigned vmid)
{
- u32 data;
+ u32 reg, data;
- data = RREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL);
+ reg = SOC15_REG_OFFSET(GC, 0, mmRLC_SPM_MC_CNTL);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ data = RREG32_NO_KIQ(reg);
+ else
+ data = RREG32(reg);
data &= ~RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK;
data |= (vmid & RLC_SPM_MC_CNTL__RLC_SPM_VMID_MASK) << RLC_SPM_MC_CNTL__RLC_SPM_VMID__SHIFT;
- WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ if (amdgpu_sriov_is_pp_one_vf(adev))
+ WREG32_SOC15_NO_KIQ(GC, 0, mmRLC_SPM_MC_CNTL, data);
+ else
+ WREG32_SOC15(GC, 0, mmRLC_SPM_MC_CNTL, data);
}
static bool gfx_v9_0_check_rlcg_range(struct amdgpu_device *adev,
@@ -5025,10 +5041,9 @@ static int gfx_v9_0_set_powergating_state(void *handle,
switch (adev->asic_type) {
case CHIP_RAVEN:
case CHIP_RENOIR:
- if (!enable) {
+ if (!enable)
amdgpu_gfx_off_ctrl(adev, false);
- cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
- }
+
if (adev->pg_flags & AMD_PG_SUPPORT_RLC_SMU_HS) {
gfx_v9_0_enable_sck_slow_down_on_power_up(adev, true);
gfx_v9_0_enable_sck_slow_down_on_power_down(adev, true);
@@ -5052,12 +5067,7 @@ static int gfx_v9_0_set_powergating_state(void *handle,
amdgpu_gfx_off_ctrl(adev, true);
break;
case CHIP_VEGA12:
- if (!enable) {
- amdgpu_gfx_off_ctrl(adev, false);
- cancel_delayed_work_sync(&adev->gfx.gfx_off_delay_work);
- } else {
- amdgpu_gfx_off_ctrl(adev, true);
- }
+ amdgpu_gfx_off_ctrl(adev, enable);
break;
default:
break;
@@ -5428,10 +5438,13 @@ static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring)
amdgpu_ring_write_multiple(ring, (void *)&de_payload, sizeof(de_payload) >> 2);
}
-static void gfx_v9_0_ring_emit_tmz(struct amdgpu_ring *ring, bool start)
+static void gfx_v9_0_ring_emit_frame_cntl(struct amdgpu_ring *ring, bool start,
+ bool secure)
{
+ uint32_t v = secure ? FRAME_TMZ : 0;
+
amdgpu_ring_write(ring, PACKET3(PACKET3_FRAME_CONTROL, 0));
- amdgpu_ring_write(ring, FRAME_CMD(start ? 0 : 1)); /* frame_end */
+ amdgpu_ring_write(ring, v | FRAME_CMD(start ? 0 : 1));
}
static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
@@ -5441,8 +5454,6 @@ static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
if (amdgpu_sriov_vf(ring->adev))
gfx_v9_0_ring_emit_ce_meta(ring);
- gfx_v9_0_ring_emit_tmz(ring, true);
-
dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */
if (flags & AMDGPU_HAVE_CTX_SWITCH) {
/* set load_global_config & load_global_uconfig */
@@ -5493,10 +5504,10 @@ static void gfx_v9_0_ring_emit_patch_cond_exec(struct amdgpu_ring *ring, unsigne
ring->ring[offset] = (ring->ring_size>>2) - offset + cur;
}
-static void gfx_v9_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
+static void gfx_v9_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg,
+ uint32_t reg_val_offs)
{
struct amdgpu_device *adev = ring->adev;
- struct amdgpu_kiq *kiq = &adev->gfx.kiq;
amdgpu_ring_write(ring, PACKET3(PACKET3_COPY_DATA, 4));
amdgpu_ring_write(ring, 0 | /* src: register*/
@@ -5505,9 +5516,9 @@ static void gfx_v9_0_ring_emit_rreg(struct amdgpu_ring *ring, uint32_t reg)
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, lower_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
amdgpu_ring_write(ring, upper_32_bits(adev->wb.gpu_addr +
- kiq->reg_val_offs * 4));
+ reg_val_offs * 4));
}
static void gfx_v9_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
@@ -6408,15 +6419,15 @@ static int gfx_v9_0_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, VM_L2_MEM_ECC_CNT, SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
- vml2_mems[i], sec_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "SEC %d\n", i, vml2_mems[i], sec_count);
err_data->ce_count += sec_count;
}
ded_count = REG_GET_FIELD(data, VM_L2_MEM_ECC_CNT, DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
- vml2_mems[i], ded_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "DED %d\n", i, vml2_mems[i], ded_count);
err_data->ue_count += ded_count;
}
}
@@ -6428,16 +6439,16 @@ static int gfx_v9_0_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, VM_L2_WALKER_MEM_ECC_CNT,
SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
- vml2_walker_mems[i], sec_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "SEC %d\n", i, vml2_walker_mems[i], sec_count);
err_data->ce_count += sec_count;
}
ded_count = REG_GET_FIELD(data, VM_L2_WALKER_MEM_ECC_CNT,
DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
- vml2_walker_mems[i], ded_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "DED %d\n", i, vml2_walker_mems[i], ded_count);
err_data->ue_count += ded_count;
}
}
@@ -6448,8 +6459,9 @@ static int gfx_v9_0_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = (data & 0x00006000L) >> 0xd;
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
- atc_l2_cache_2m_mems[i], sec_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "SEC %d\n", i, atc_l2_cache_2m_mems[i],
+ sec_count);
err_data->ce_count += sec_count;
}
}
@@ -6460,15 +6472,17 @@ static int gfx_v9_0_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = (data & 0x00006000L) >> 0xd;
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
- atc_l2_cache_4k_mems[i], sec_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "SEC %d\n", i, atc_l2_cache_4k_mems[i],
+ sec_count);
err_data->ce_count += sec_count;
}
ded_count = (data & 0x00018000L) >> 0xf;
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
- atc_l2_cache_4k_mems[i], ded_count);
+ dev_info(adev->dev, "Instance[%d]: SubBlock %s, "
+ "DED %d\n", i, atc_l2_cache_4k_mems[i],
+ ded_count);
err_data->ue_count += ded_count;
}
}
@@ -6481,7 +6495,8 @@ static int gfx_v9_0_query_utc_edc_status(struct amdgpu_device *adev,
return 0;
}
-static int gfx_v9_0_ras_error_count(const struct soc15_reg_entry *reg,
+static int gfx_v9_0_ras_error_count(struct amdgpu_device *adev,
+ const struct soc15_reg_entry *reg,
uint32_t se_id, uint32_t inst_id, uint32_t value,
uint32_t *sec_count, uint32_t *ded_count)
{
@@ -6498,7 +6513,8 @@ static int gfx_v9_0_ras_error_count(const struct soc15_reg_entry *reg,
gfx_v9_0_ras_fields[i].sec_count_mask) >>
gfx_v9_0_ras_fields[i].sec_count_shift;
if (sec_cnt) {
- DRM_INFO("GFX SubBlock %s, Instance[%d][%d], SEC %d\n",
+ dev_info(adev->dev, "GFX SubBlock %s, "
+ "Instance[%d][%d], SEC %d\n",
gfx_v9_0_ras_fields[i].name,
se_id, inst_id,
sec_cnt);
@@ -6509,7 +6525,8 @@ static int gfx_v9_0_ras_error_count(const struct soc15_reg_entry *reg,
gfx_v9_0_ras_fields[i].ded_count_mask) >>
gfx_v9_0_ras_fields[i].ded_count_shift;
if (ded_cnt) {
- DRM_INFO("GFX SubBlock %s, Instance[%d][%d], DED %d\n",
+ dev_info(adev->dev, "GFX SubBlock %s, "
+ "Instance[%d][%d], DED %d\n",
gfx_v9_0_ras_fields[i].name,
se_id, inst_id,
ded_cnt);
@@ -6598,9 +6615,10 @@ static int gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev,
reg_value =
RREG32(SOC15_REG_ENTRY_OFFSET(gfx_v9_0_edc_counter_regs[i]));
if (reg_value)
- gfx_v9_0_ras_error_count(&gfx_v9_0_edc_counter_regs[i],
- j, k, reg_value,
- &sec_count, &ded_count);
+ gfx_v9_0_ras_error_count(adev,
+ &gfx_v9_0_edc_counter_regs[i],
+ j, k, reg_value,
+ &sec_count, &ded_count);
}
}
}
@@ -6616,6 +6634,25 @@ static int gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev,
return 0;
}
+static void gfx_v9_0_emit_mem_sync(struct amdgpu_ring *ring)
+{
+ const unsigned int cp_coher_cntl =
+ PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_ICACHE_ACTION_ENA(1) |
+ PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_KCACHE_ACTION_ENA(1) |
+ PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_ACTION_ENA(1) |
+ PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TCL1_ACTION_ENA(1) |
+ PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_WB_ACTION_ENA(1);
+
+ /* ACQUIRE_MEM -make one or more surfaces valid for use by the subsequent operations */
+ amdgpu_ring_write(ring, PACKET3(PACKET3_ACQUIRE_MEM, 5));
+ amdgpu_ring_write(ring, cp_coher_cntl); /* CP_COHER_CNTL */
+ amdgpu_ring_write(ring, 0xffffffff); /* CP_COHER_SIZE */
+ amdgpu_ring_write(ring, 0xffffff); /* CP_COHER_SIZE_HI */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE */
+ amdgpu_ring_write(ring, 0); /* CP_COHER_BASE_HI */
+ amdgpu_ring_write(ring, 0x0000000A); /* POLL_INTERVAL */
+}
+
static const struct amd_ip_funcs gfx_v9_0_ip_funcs = {
.name = "gfx_v9_0",
.early_init = gfx_v9_0_early_init,
@@ -6662,7 +6699,8 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
3 + /* CNTX_CTRL */
5 + /* HDP_INVL */
8 + 8 + /* FENCE x2 */
- 2, /* SWITCH_BUFFER */
+ 2 + /* SWITCH_BUFFER */
+ 7, /* gfx_v9_0_emit_mem_sync */
.emit_ib_size = 4, /* gfx_v9_0_ring_emit_ib_gfx */
.emit_ib = gfx_v9_0_ring_emit_ib_gfx,
.emit_fence = gfx_v9_0_ring_emit_fence,
@@ -6678,11 +6716,12 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
.emit_cntxcntl = gfx_v9_ring_emit_cntxcntl,
.init_cond_exec = gfx_v9_0_ring_emit_init_cond_exec,
.patch_cond_exec = gfx_v9_0_ring_emit_patch_cond_exec,
- .emit_tmz = gfx_v9_0_ring_emit_tmz,
+ .emit_frame_cntl = gfx_v9_0_ring_emit_frame_cntl,
.emit_wreg = gfx_v9_0_ring_emit_wreg,
.emit_reg_wait = gfx_v9_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait,
.soft_recovery = gfx_v9_0_ring_soft_recovery,
+ .emit_mem_sync = gfx_v9_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
@@ -6702,7 +6741,8 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 7 +
2 + /* gfx_v9_0_ring_emit_vm_flush */
- 8 + 8 + 8, /* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */
+ 8 + 8 + 8 + /* gfx_v9_0_ring_emit_fence x3 for user fence, vm fence */
+ 7, /* gfx_v9_0_emit_mem_sync */
.emit_ib_size = 7, /* gfx_v9_0_ring_emit_ib_compute */
.emit_ib = gfx_v9_0_ring_emit_ib_compute,
.emit_fence = gfx_v9_0_ring_emit_fence,
@@ -6717,6 +6757,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
.emit_wreg = gfx_v9_0_ring_emit_wreg,
.emit_reg_wait = gfx_v9_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait,
+ .emit_mem_sync = gfx_v9_0_emit_mem_sync,
};
static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = {
@@ -6840,7 +6881,7 @@ static void gfx_v9_0_set_gds_init(struct amdgpu_device *adev)
adev->gds.gds_compute_max_wave_id = 0x27f;
break;
case CHIP_RAVEN:
- if (adev->rev_id >= 0x8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
adev->gds.gds_compute_max_wave_id = 0x77; /* raven2 */
else
adev->gds.gds_compute_max_wave_id = 0x15f; /* raven1 */
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
index dce945ef21a5..46351db36922 100644..100755
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4.c
@@ -732,7 +732,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, VML2_WALKER_MEM_ECC_CNTL,
SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, SEC %d\n", i,
vml2_walker_mems[i], sec_count);
err_data->ce_count += sec_count;
}
@@ -740,7 +741,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
ded_count = REG_GET_FIELD(data, VML2_WALKER_MEM_ECC_CNTL,
DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, DED %d\n", i,
vml2_walker_mems[i], ded_count);
err_data->ue_count += ded_count;
}
@@ -752,14 +754,16 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, UTCL2_MEM_ECC_CNTL, SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, SEC %d\n", i,
utcl2_router_mems[i], sec_count);
err_data->ce_count += sec_count;
}
ded_count = REG_GET_FIELD(data, UTCL2_MEM_ECC_CNTL, DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, DED %d\n", i,
utcl2_router_mems[i], ded_count);
err_data->ue_count += ded_count;
}
@@ -772,7 +776,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, ATC_L2_CACHE_2M_DSM_CNTL,
SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, SEC %d\n", i,
atc_l2_cache_2m_mems[i], sec_count);
err_data->ce_count += sec_count;
}
@@ -780,7 +785,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
ded_count = REG_GET_FIELD(data, ATC_L2_CACHE_2M_DSM_CNTL,
DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, DED %d\n", i,
atc_l2_cache_2m_mems[i], ded_count);
err_data->ue_count += ded_count;
}
@@ -793,7 +799,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
sec_count = REG_GET_FIELD(data, ATC_L2_CACHE_4K_DSM_CNTL,
SEC_COUNT);
if (sec_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, SEC %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, SEC %d\n", i,
atc_l2_cache_4k_mems[i], sec_count);
err_data->ce_count += sec_count;
}
@@ -801,7 +808,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
ded_count = REG_GET_FIELD(data, ATC_L2_CACHE_4K_DSM_CNTL,
DED_COUNT);
if (ded_count) {
- DRM_INFO("Instance[%d]: SubBlock %s, DED %d\n", i,
+ dev_info(adev->dev,
+ "Instance[%d]: SubBlock %s, DED %d\n", i,
atc_l2_cache_4k_mems[i], ded_count);
err_data->ue_count += ded_count;
}
@@ -816,7 +824,8 @@ static int gfx_v9_4_query_utc_edc_status(struct amdgpu_device *adev,
return 0;
}
-static int gfx_v9_4_ras_error_count(const struct soc15_reg_entry *reg,
+static int gfx_v9_4_ras_error_count(struct amdgpu_device *adev,
+ const struct soc15_reg_entry *reg,
uint32_t se_id, uint32_t inst_id,
uint32_t value, uint32_t *sec_count,
uint32_t *ded_count)
@@ -833,7 +842,8 @@ static int gfx_v9_4_ras_error_count(const struct soc15_reg_entry *reg,
sec_cnt = (value & gfx_v9_4_ras_fields[i].sec_count_mask) >>
gfx_v9_4_ras_fields[i].sec_count_shift;
if (sec_cnt) {
- DRM_INFO("GFX SubBlock %s, Instance[%d][%d], SEC %d\n",
+ dev_info(adev->dev,
+ "GFX SubBlock %s, Instance[%d][%d], SEC %d\n",
gfx_v9_4_ras_fields[i].name, se_id, inst_id,
sec_cnt);
*sec_count += sec_cnt;
@@ -842,7 +852,8 @@ static int gfx_v9_4_ras_error_count(const struct soc15_reg_entry *reg,
ded_cnt = (value & gfx_v9_4_ras_fields[i].ded_count_mask) >>
gfx_v9_4_ras_fields[i].ded_count_shift;
if (ded_cnt) {
- DRM_INFO("GFX SubBlock %s, Instance[%d][%d], DED %d\n",
+ dev_info(adev->dev,
+ "GFX SubBlock %s, Instance[%d][%d], DED %d\n",
gfx_v9_4_ras_fields[i].name, se_id, inst_id,
ded_cnt);
*ded_count += ded_cnt;
@@ -876,7 +887,7 @@ int gfx_v9_4_query_ras_error_count(struct amdgpu_device *adev,
reg_value = RREG32(SOC15_REG_ENTRY_OFFSET(
gfx_v9_4_edc_counter_regs[i]));
if (reg_value)
- gfx_v9_4_ras_error_count(
+ gfx_v9_4_ras_error_count(adev,
&gfx_v9_4_edc_counter_regs[i],
j, k, reg_value, &sec_count,
&ded_count);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
index 1a2f18b908fe..6682b843bafe 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
@@ -80,7 +80,7 @@ static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
- if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
/*
* Raven2 has a HW issue that it is unable to use the
* vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 9775eca6fe43..ba2b7ac0c02d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -170,6 +170,9 @@ static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
dev_err(adev->dev,
"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
status);
+ dev_err(adev->dev, "\t Faulty UTCL2 client ID: 0x%lx\n",
+ REG_GET_FIELD(status,
+ GCVM_L2_PROTECTION_FAULT_STATUS, CID));
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
@@ -369,7 +372,8 @@ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
* translation. Avoid this by doing the invalidation from the SDMA
* itself.
*/
- r = amdgpu_job_alloc_with_ib(adev, 16 * 4, &job);
+ r = amdgpu_job_alloc_with_ib(adev, 16 * 4, AMDGPU_IB_POOL_IMMEDIATE,
+ &job);
if (r)
goto error_alloc;
@@ -423,7 +427,13 @@ static int gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8);
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, flush_type, all_hub);
- amdgpu_fence_emit_polling(ring, &seq);
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r) {
+ amdgpu_ring_undo(ring);
+ spin_unlock(&adev->gfx.kiq.ring_lock);
+ return -ETIME;
+ }
+
amdgpu_ring_commit(ring);
spin_unlock(&adev->gfx.kiq.ring_lock);
r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
@@ -676,17 +686,23 @@ static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
*/
static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
{
- /* Could aper size report 0 ? */
- adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
- adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
+ int r;
/* size in MB on si */
adev->gmc.mc_vram_size =
adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
- adev->gmc.visible_vram_size = adev->gmc.aper_size;
+
+ if (!(adev->flags & AMD_IS_APU)) {
+ r = amdgpu_device_resize_fb_bar(adev);
+ if (r)
+ return r;
+ }
+ adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
+ adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
/* In case the PCI BAR is larger than the actual amount of vram */
+ adev->gmc.visible_vram_size = adev->gmc.aper_size;
if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
index b205039350b6..a75e472b4a81 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
@@ -61,17 +61,6 @@ MODULE_FIRMWARE("amdgpu/si58_mc.bin");
#define MC_SEQ_MISC0__MT__HBM 0x60000000
#define MC_SEQ_MISC0__MT__DDR3 0xB0000000
-
-static const u32 crtc_offsets[6] =
-{
- SI_CRTC0_REGISTER_OFFSET,
- SI_CRTC1_REGISTER_OFFSET,
- SI_CRTC2_REGISTER_OFFSET,
- SI_CRTC3_REGISTER_OFFSET,
- SI_CRTC4_REGISTER_OFFSET,
- SI_CRTC5_REGISTER_OFFSET
-};
-
static void gmc_v6_0_mc_stop(struct amdgpu_device *adev)
{
u32 blackout;
@@ -858,7 +847,7 @@ static int gmc_v6_0_sw_init(void *handle)
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
if (r) {
- dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
+ dev_warn(adev->dev, "No suitable DMA available.\n");
return r;
}
adev->need_swiotlb = drm_need_swiotlb(44);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 9da9596a3638..bcd4baecfe11 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -762,6 +762,7 @@ static void gmc_v7_0_gart_disable(struct amdgpu_device *adev)
* @adev: amdgpu_device pointer
* @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
* @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
+ * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
*
* Print human readable fault information (CIK).
*/
@@ -1019,7 +1020,7 @@ static int gmc_v7_0_sw_init(void *handle)
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
if (r) {
- pr_warn("amdgpu: No suitable DMA available\n");
+ pr_warn("No suitable DMA available\n");
return r;
}
adev->need_swiotlb = drm_need_swiotlb(40);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
index 27d83204fa2b..26976e50e2a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c
@@ -1005,6 +1005,7 @@ static void gmc_v8_0_gart_disable(struct amdgpu_device *adev)
* @adev: amdgpu_device pointer
* @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
* @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
+ * @mc_client: VM_CONTEXT1_PROTECTION_FAULT_MCCLIENT register value
*
* Print human readable fault information (VI).
*/
@@ -1144,7 +1145,7 @@ static int gmc_v8_0_sw_init(void *handle)
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
if (r) {
- pr_warn("amdgpu: No suitable DMA available\n");
+ pr_warn("No suitable DMA available\n");
return r;
}
adev->need_swiotlb = drm_need_swiotlb(40);
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 8606f877478f..11e93a82131d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -362,6 +362,9 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
dev_err(adev->dev,
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
status);
+ dev_err(adev->dev, "\t Faulty UTCL2 client ID: 0x%lx\n",
+ REG_GET_FIELD(status,
+ VM_L2_PROTECTION_FAULT_STATUS, CID));
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
@@ -438,9 +441,8 @@ static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
return ((vmhub == AMDGPU_MMHUB_0 ||
vmhub == AMDGPU_MMHUB_1) &&
(!amdgpu_sriov_vf(adev)) &&
- (!(adev->asic_type == CHIP_RAVEN &&
- adev->rev_id < 0x8 &&
- adev->pdev->device == 0x15d8)));
+ (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
+ (adev->apu_flags & AMD_APU_IS_PICASSO))));
}
static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
@@ -618,7 +620,13 @@ static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
pasid, 2, all_hub);
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, flush_type, all_hub);
- amdgpu_fence_emit_polling(ring, &seq);
+ r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
+ if (r) {
+ amdgpu_ring_undo(ring);
+ spin_unlock(&adev->gfx.kiq.ring_lock);
+ return -ETIME;
+ }
+
amdgpu_ring_commit(ring);
spin_unlock(&adev->gfx.kiq.ring_lock);
r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v1_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v1_0.c
index 0debfd9f428c..b10c95cad9a2 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v1_0.c
@@ -480,7 +480,8 @@ int jpeg_v1_0_sw_init(void *handle)
ring = &adev->jpeg.inst->ring_dec;
sprintf(ring->name, "jpeg_dec");
- r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
+ 0, AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
index 6173951db7b4..e67d09cb1b03 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
@@ -106,7 +106,8 @@ static int jpeg_v2_0_sw_init(void *handle)
ring->use_doorbell = true;
ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
sprintf(ring->name, "jpeg_dec");
- r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq,
+ 0, AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -169,14 +170,11 @@ static int jpeg_v2_0_hw_init(void *handle)
static int jpeg_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
- ring->sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
index c04c2078a7c1..713c32560445 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
@@ -118,7 +118,8 @@ static int jpeg_v2_5_sw_init(void *handle)
ring->use_doorbell = true;
ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + 8 * i;
sprintf(ring->name, "jpeg_dec_%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst[i].irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst[i].irq,
+ 0, AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -267,7 +268,6 @@ static void jpeg_v2_5_disable_clock_gating(struct amdgpu_device* adev, int inst)
data = RREG32_SOC15(JPEG, inst, mmJPEG_CGC_GATE);
data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
| JPEG_CGC_GATE__JPEG2_DEC_MASK
- | JPEG_CGC_GATE__JPEG_ENC_MASK
| JPEG_CGC_GATE__JMCIF_MASK
| JPEG_CGC_GATE__JRBBM_MASK);
WREG32_SOC15(JPEG, inst, mmJPEG_CGC_GATE, data);
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 396c2a624de0..405767208a4d 100644..100755
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -96,7 +96,7 @@ static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
- if (adev->asic_type == CHIP_RAVEN && adev->rev_id >= 0x8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
/*
* Raven2 has a HW issue that it is unable to use the vram which
* is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
@@ -690,7 +690,8 @@ static const struct soc15_reg_entry mmhub_v1_0_edc_cnt_regs[] = {
{ SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20), 0, 0, 0},
};
-static int mmhub_v1_0_get_ras_error_count(const struct soc15_reg_entry *reg,
+static int mmhub_v1_0_get_ras_error_count(struct amdgpu_device *adev,
+ const struct soc15_reg_entry *reg,
uint32_t value, uint32_t *sec_count, uint32_t *ded_count)
{
uint32_t i;
@@ -704,7 +705,8 @@ static int mmhub_v1_0_get_ras_error_count(const struct soc15_reg_entry *reg,
mmhub_v1_0_ras_fields[i].sec_count_mask) >>
mmhub_v1_0_ras_fields[i].sec_count_shift;
if (sec_cnt) {
- DRM_INFO("MMHUB SubBlock %s, SEC %d\n",
+ dev_info(adev->dev,
+ "MMHUB SubBlock %s, SEC %d\n",
mmhub_v1_0_ras_fields[i].name,
sec_cnt);
*sec_count += sec_cnt;
@@ -714,7 +716,8 @@ static int mmhub_v1_0_get_ras_error_count(const struct soc15_reg_entry *reg,
mmhub_v1_0_ras_fields[i].ded_count_mask) >>
mmhub_v1_0_ras_fields[i].ded_count_shift;
if (ded_cnt) {
- DRM_INFO("MMHUB SubBlock %s, DED %d\n",
+ dev_info(adev->dev,
+ "MMHUB SubBlock %s, DED %d\n",
mmhub_v1_0_ras_fields[i].name,
ded_cnt);
*ded_count += ded_cnt;
@@ -739,7 +742,8 @@ static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
reg_value =
RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
if (reg_value)
- mmhub_v1_0_get_ras_error_count(&mmhub_v1_0_edc_cnt_regs[i],
+ mmhub_v1_0_get_ras_error_count(adev,
+ &mmhub_v1_0_edc_cnt_regs[i],
reg_value, &sec_count, &ded_count);
}
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
index 37dbe0f2142f..83b453f5d717 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
@@ -26,7 +26,7 @@
#define AI_MAILBOX_POLL_ACK_TIMEDOUT 500
#define AI_MAILBOX_POLL_MSG_TIMEDOUT 12000
-#define AI_MAILBOX_POLL_FLR_TIMEDOUT 500
+#define AI_MAILBOX_POLL_FLR_TIMEDOUT 5000
enum idh_request {
IDH_REQ_GPU_INIT_ACCESS = 1,
@@ -46,7 +46,8 @@ enum idh_event {
IDH_SUCCESS,
IDH_FAIL,
IDH_QUERY_ALIVE,
- IDH_EVENT_MAX
+
+ IDH_TEXT_MESSAGE = 255,
};
extern const struct amdgpu_virt_ops xgpu_ai_virt_ops;
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
index 237fa5e16b7c..ce2bf1fb79ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.c
@@ -30,7 +30,6 @@
#include "navi10_ih.h"
#include "soc15_common.h"
#include "mxgpu_nv.h"
-#include "mxgpu_ai.h"
static void xgpu_nv_mailbox_send_ack(struct amdgpu_device *adev)
{
@@ -53,8 +52,7 @@ static void xgpu_nv_mailbox_set_valid(struct amdgpu_device *adev, bool val)
*/
static enum idh_event xgpu_nv_mailbox_peek_msg(struct amdgpu_device *adev)
{
- return RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
- mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW0));
+ return RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
}
@@ -63,8 +61,7 @@ static int xgpu_nv_mailbox_rcv_msg(struct amdgpu_device *adev,
{
u32 reg;
- reg = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
- mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW0));
+ reg = RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW0);
if (reg != event)
return -ENOENT;
@@ -110,7 +107,6 @@ static int xgpu_nv_poll_msg(struct amdgpu_device *adev, enum idh_event event)
timeout -= 10;
} while (timeout > 1);
- pr_err("Doesn't get msg:%d from pf, error=%d\n", event, r);
return -ETIME;
}
@@ -118,7 +114,6 @@ static int xgpu_nv_poll_msg(struct amdgpu_device *adev, enum idh_event event)
static void xgpu_nv_mailbox_trans_msg (struct amdgpu_device *adev,
enum idh_request req, u32 data1, u32 data2, u32 data3)
{
- u32 reg;
int r;
uint8_t trn;
@@ -137,19 +132,10 @@ static void xgpu_nv_mailbox_trans_msg (struct amdgpu_device *adev,
}
} while (trn);
- reg = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
- mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0));
- reg = REG_SET_FIELD(reg, BIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0,
- MSGBUF_DATA, req);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW0),
- reg);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW1),
- data1);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW2),
- data2);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_MSGBUF_TRN_DW3),
- data3);
-
+ WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW0, req);
+ WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW1, data1);
+ WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW2, data2);
+ WREG32_NO_KIQ(mmMAILBOX_MSGBUF_TRN_DW3, data3);
xgpu_nv_mailbox_set_valid(adev, true);
/* start to poll ack */
@@ -164,23 +150,48 @@ static int xgpu_nv_send_access_requests(struct amdgpu_device *adev,
enum idh_request req)
{
int r;
+ enum idh_event event = -1;
xgpu_nv_mailbox_trans_msg(adev, req, 0, 0, 0);
- /* start to check msg if request is idh_req_gpu_init_access */
- if (req == IDH_REQ_GPU_INIT_ACCESS ||
- req == IDH_REQ_GPU_FINI_ACCESS ||
- req == IDH_REQ_GPU_RESET_ACCESS) {
- r = xgpu_nv_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
+ switch (req) {
+ case IDH_REQ_GPU_INIT_ACCESS:
+ case IDH_REQ_GPU_FINI_ACCESS:
+ case IDH_REQ_GPU_RESET_ACCESS:
+ event = IDH_READY_TO_ACCESS_GPU;
+ break;
+ case IDH_REQ_GPU_INIT_DATA:
+ event = IDH_REQ_GPU_INIT_DATA_READY;
+ break;
+ default:
+ break;
+ }
+
+ if (event != -1) {
+ r = xgpu_nv_poll_msg(adev, event);
if (r) {
- pr_err("Doesn't get READY_TO_ACCESS_GPU from pf, give up\n");
- return r;
+ if (req != IDH_REQ_GPU_INIT_DATA) {
+ pr_err("Doesn't get msg:%d from pf, error=%d\n", event, r);
+ return r;
+ }
+ else /* host doesn't support REQ_GPU_INIT_DATA handshake */
+ adev->virt.req_init_data_ver = 0;
+ } else {
+ if (req == IDH_REQ_GPU_INIT_DATA)
+ {
+ adev->virt.req_init_data_ver =
+ RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW1);
+
+ /* assume V1 in case host doesn't set version number */
+ if (adev->virt.req_init_data_ver < 1)
+ adev->virt.req_init_data_ver = 1;
+ }
}
+
/* Retrieve checksum from mailbox2 */
if (req == IDH_REQ_GPU_INIT_ACCESS || req == IDH_REQ_GPU_RESET_ACCESS) {
adev->virt.fw_reserve.checksum_key =
- RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
- mmBIF_BX_PF_MAILBOX_MSGBUF_RCV_DW2));
+ RREG32_NO_KIQ(mmMAILBOX_MSGBUF_RCV_DW2);
}
}
@@ -213,6 +224,11 @@ static int xgpu_nv_release_full_gpu_access(struct amdgpu_device *adev,
return r;
}
+static int xgpu_nv_request_init_data(struct amdgpu_device *adev)
+{
+ return xgpu_nv_send_access_requests(adev, IDH_REQ_GPU_INIT_DATA);
+}
+
static int xgpu_nv_mailbox_ack_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
@@ -226,11 +242,14 @@ static int xgpu_nv_set_mailbox_ack_irq(struct amdgpu_device *adev,
unsigned type,
enum amdgpu_interrupt_state state)
{
- u32 tmp = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL));
+ u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
+
+ if (state == AMDGPU_IRQ_STATE_ENABLE)
+ tmp |= 2;
+ else
+ tmp &= ~2;
- tmp = REG_SET_FIELD(tmp, BIF_BX_PF_MAILBOX_INT_CNTL, ACK_INT_EN,
- (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL), tmp);
+ WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
return 0;
}
@@ -282,11 +301,14 @@ static int xgpu_nv_set_mailbox_rcv_irq(struct amdgpu_device *adev,
unsigned type,
enum amdgpu_interrupt_state state)
{
- u32 tmp = RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL));
+ u32 tmp = RREG32_NO_KIQ(mmMAILBOX_INT_CNTL);
+
+ if (state == AMDGPU_IRQ_STATE_ENABLE)
+ tmp |= 1;
+ else
+ tmp &= ~1;
- tmp = REG_SET_FIELD(tmp, BIF_BX_PF_MAILBOX_INT_CNTL, VALID_INT_EN,
- (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
- WREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_INT_CNTL), tmp);
+ WREG32_NO_KIQ(mmMAILBOX_INT_CNTL, tmp);
return 0;
}
@@ -378,6 +400,7 @@ void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev)
const struct amdgpu_virt_ops xgpu_nv_virt_ops = {
.req_full_gpu = xgpu_nv_request_full_gpu_access,
.rel_full_gpu = xgpu_nv_release_full_gpu_access,
+ .req_init_data = xgpu_nv_request_init_data,
.reset_gpu = xgpu_nv_request_reset,
.wait_reset = NULL,
.trans_msg = xgpu_nv_mailbox_trans_msg,
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h
index 99b15f6865cb..52605e14a1a5 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_nv.h
@@ -25,8 +25,32 @@
#define __MXGPU_NV_H__
#define NV_MAILBOX_POLL_ACK_TIMEDOUT 500
-#define NV_MAILBOX_POLL_MSG_TIMEDOUT 12000
-#define NV_MAILBOX_POLL_FLR_TIMEDOUT 500
+#define NV_MAILBOX_POLL_MSG_TIMEDOUT 6000
+#define NV_MAILBOX_POLL_FLR_TIMEDOUT 5000
+
+enum idh_request {
+ IDH_REQ_GPU_INIT_ACCESS = 1,
+ IDH_REL_GPU_INIT_ACCESS,
+ IDH_REQ_GPU_FINI_ACCESS,
+ IDH_REL_GPU_FINI_ACCESS,
+ IDH_REQ_GPU_RESET_ACCESS,
+ IDH_REQ_GPU_INIT_DATA,
+
+ IDH_LOG_VF_ERROR = 200,
+};
+
+enum idh_event {
+ IDH_CLR_MSG_BUF = 0,
+ IDH_READY_TO_ACCESS_GPU,
+ IDH_FLR_NOTIFICATION,
+ IDH_FLR_NOTIFICATION_CMPL,
+ IDH_SUCCESS,
+ IDH_FAIL,
+ IDH_QUERY_ALIVE,
+ IDH_REQ_GPU_INIT_DATA_READY,
+
+ IDH_TEXT_MESSAGE = 255,
+};
extern const struct amdgpu_virt_ops xgpu_nv_virt_ops;
@@ -35,7 +59,21 @@ int xgpu_nv_mailbox_add_irq_id(struct amdgpu_device *adev);
int xgpu_nv_mailbox_get_irq(struct amdgpu_device *adev);
void xgpu_nv_mailbox_put_irq(struct amdgpu_device *adev);
-#define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4)
-#define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF_MAILBOX_CONTROL) * 4 + 1)
+#define mmMAILBOX_CONTROL 0xE5E
+
+#define NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE (mmMAILBOX_CONTROL * 4)
+#define NV_MAIBOX_CONTROL_RCV_OFFSET_BYTE (NV_MAIBOX_CONTROL_TRN_OFFSET_BYTE + 1)
+
+#define mmMAILBOX_MSGBUF_TRN_DW0 0xE56
+#define mmMAILBOX_MSGBUF_TRN_DW1 0xE57
+#define mmMAILBOX_MSGBUF_TRN_DW2 0xE58
+#define mmMAILBOX_MSGBUF_TRN_DW3 0xE59
+
+#define mmMAILBOX_MSGBUF_RCV_DW0 0xE5A
+#define mmMAILBOX_MSGBUF_RCV_DW1 0xE5B
+#define mmMAILBOX_MSGBUF_RCV_DW2 0xE5C
+#define mmMAILBOX_MSGBUF_RCV_DW3 0xE5D
+
+#define mmMAILBOX_INT_CNTL 0xE5F
#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
index f13dc6cc158f..713ee66a4d3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
@@ -43,7 +43,8 @@ enum idh_event {
IDH_READY_TO_ACCESS_GPU,
IDH_FLR_NOTIFICATION,
IDH_FLR_NOTIFICATION_CMPL,
- IDH_EVENT_MAX
+
+ IDH_TEXT_MESSAGE = 255
};
extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
index e08245a446fc..f97857ed3c7e 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_ih.c
@@ -49,8 +49,48 @@ static void navi10_ih_enable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 1);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 1);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
+
adev->irq.ih.enabled = true;
+
+ if (adev->irq.ih1.ring_size) {
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
+ RB_ENABLE, 1);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
+ adev->irq.ih1.enabled = true;
+ }
+
+ if (adev->irq.ih2.ring_size) {
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
+ RB_ENABLE, 1);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
+ adev->irq.ih2.enabled = true;
+ }
}
/**
@@ -66,12 +106,61 @@ static void navi10_ih_disable_interrupts(struct amdgpu_device *adev)
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RB_ENABLE, 0);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, ENABLE_INTR, 0);
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
+
/* set rptr, wptr to 0 */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0);
adev->irq.ih.enabled = false;
adev->irq.ih.rptr = 0;
+
+ if (adev->irq.ih1.ring_size) {
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING1,
+ RB_ENABLE, 0);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
+ /* set rptr, wptr to 0 */
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
+ adev->irq.ih1.enabled = false;
+ adev->irq.ih1.rptr = 0;
+ }
+
+ if (adev->irq.ih2.ring_size) {
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL_RING2,
+ RB_ENABLE, 0);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
+ /* set rptr, wptr to 0 */
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
+ adev->irq.ih2.enabled = false;
+ adev->irq.ih2.rptr = 0;
+ }
+
}
static uint32_t navi10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl)
@@ -97,6 +186,43 @@ static uint32_t navi10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl
return ih_rb_cntl;
}
+static uint32_t navi10_ih_doorbell_rptr(struct amdgpu_ih_ring *ih)
+{
+ u32 ih_doorbell_rtpr = 0;
+
+ if (ih->use_doorbell) {
+ ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
+ IH_DOORBELL_RPTR, OFFSET,
+ ih->doorbell_index);
+ ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
+ IH_DOORBELL_RPTR,
+ ENABLE, 1);
+ } else {
+ ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
+ IH_DOORBELL_RPTR,
+ ENABLE, 0);
+ }
+ return ih_doorbell_rtpr;
+}
+
+static void navi10_ih_reroute_ih(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ /* Reroute to IH ring 1 for VMC */
+ WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_INDEX, 0x12);
+ tmp = RREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA);
+ tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
+ tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
+ WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA, tmp);
+
+ /* Reroute IH ring 1 for UMC */
+ WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_INDEX, 0x1B);
+ tmp = RREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA);
+ tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
+ WREG32_SOC15(OSSSYS, 0, mmIH_CLIENT_CFG_DATA, tmp);
+}
+
/**
* navi10_ih_irq_init - init and enable the interrupt ring
*
@@ -111,7 +237,7 @@ static uint32_t navi10_ih_rb_cntl(struct amdgpu_ih_ring *ih, uint32_t ih_rb_cntl
static int navi10_ih_irq_init(struct amdgpu_device *adev)
{
struct amdgpu_ih_ring *ih = &adev->irq.ih;
- u32 ih_rb_cntl, ih_doorbell_rtpr, ih_chicken;
+ u32 ih_rb_cntl, ih_chicken;
u32 tmp;
/* disable irqs */
@@ -127,6 +253,15 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL, RPTR_REARM,
!!adev->irq.msi_enabled);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL, ih_rb_cntl)) {
+ DRM_ERROR("PSP program IH_RB_CNTL failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
+ }
+ navi10_ih_reroute_ih(adev);
if (unlikely(adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT)) {
if (ih->use_bus_addr) {
@@ -137,8 +272,6 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
}
}
- WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL, ih_rb_cntl);
-
/* set the writeback address whether it's enabled or not */
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_ADDR_LO,
lower_32_bits(ih->wptr_addr));
@@ -149,22 +282,68 @@ static int navi10_ih_irq_init(struct amdgpu_device *adev)
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, 0);
WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR, 0);
- ih_doorbell_rtpr = RREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR);
- if (ih->use_doorbell) {
- ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
- IH_DOORBELL_RPTR, OFFSET,
- ih->doorbell_index);
- ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
- IH_DOORBELL_RPTR, ENABLE, 1);
- } else {
- ih_doorbell_rtpr = REG_SET_FIELD(ih_doorbell_rtpr,
- IH_DOORBELL_RPTR, ENABLE, 0);
- }
- WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR, ih_doorbell_rtpr);
+ WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR,
+ navi10_ih_doorbell_rptr(ih));
adev->nbio.funcs->ih_doorbell_range(adev, ih->use_doorbell,
ih->doorbell_index);
+ ih = &adev->irq.ih1;
+ if (ih->ring_size) {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_RING1, ih->gpu_addr >> 8);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI_RING1,
+ (ih->gpu_addr >> 40) & 0xff);
+
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1);
+ ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
+ WPTR_OVERFLOW_ENABLE, 0);
+ ih_rb_cntl = REG_SET_FIELD(ih_rb_cntl, IH_RB_CNTL,
+ RB_FULL_DRAIN_ENABLE, 1);
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING1,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING1 failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING1, ih_rb_cntl);
+ }
+ /* set rptr, wptr to 0 */
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING1, 0);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, 0);
+
+ WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING1,
+ navi10_ih_doorbell_rptr(ih));
+ }
+
+ ih = &adev->irq.ih2;
+ if (ih->ring_size) {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_RING2, ih->gpu_addr >> 8);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_BASE_HI_RING2,
+ (ih->gpu_addr >> 40) & 0xff);
+
+ ih_rb_cntl = RREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2);
+ ih_rb_cntl = navi10_ih_rb_cntl(ih, ih_rb_cntl);
+
+ if (amdgpu_sriov_vf(adev) && adev->asic_type < CHIP_NAVI10) {
+ if (psp_reg_program(&adev->psp, PSP_REG_IH_RB_CNTL_RING2,
+ ih_rb_cntl)) {
+ DRM_ERROR("program IH_RB_CNTL_RING2 failed!\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_CNTL_RING2, ih_rb_cntl);
+ }
+ /* set rptr, wptr to 0 */
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_WPTR_RING2, 0);
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, 0);
+
+ WREG32_SOC15(OSSSYS, 0, mmIH_DOORBELL_RPTR_RING2,
+ navi10_ih_doorbell_rptr(ih));
+ }
+
+
tmp = RREG32_SOC15(OSSSYS, 0, mmIH_STORM_CLIENT_LIST_CNTL);
tmp = REG_SET_FIELD(tmp, IH_STORM_CLIENT_LIST_CNTL,
CLIENT18_IS_STORM_CLIENT, 1);
@@ -217,7 +396,15 @@ static u32 navi10_ih_get_wptr(struct amdgpu_device *adev,
if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
goto out;
- reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR);
+ if (ih == &adev->irq.ih)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR);
+ else if (ih == &adev->irq.ih1)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_RING1);
+ else if (ih == &adev->irq.ih2)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_WPTR_RING2);
+ else
+ BUG();
+
wptr = RREG32_NO_KIQ(reg);
if (!REG_GET_FIELD(wptr, IH_RB_WPTR, RB_OVERFLOW))
goto out;
@@ -233,7 +420,15 @@ static u32 navi10_ih_get_wptr(struct amdgpu_device *adev,
wptr, ih->rptr, tmp);
ih->rptr = tmp;
- reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL);
+ if (ih == &adev->irq.ih)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL);
+ else if (ih == &adev->irq.ih1)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL_RING1);
+ else if (ih == &adev->irq.ih2)
+ reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_RB_CNTL_RING2);
+ else
+ BUG();
+
tmp = RREG32_NO_KIQ(reg);
tmp = REG_SET_FIELD(tmp, IH_RB_CNTL, WPTR_OVERFLOW_CLEAR, 1);
WREG32_NO_KIQ(reg, tmp);
@@ -333,8 +528,52 @@ static void navi10_ih_set_rptr(struct amdgpu_device *adev,
if (amdgpu_sriov_vf(adev))
navi10_ih_irq_rearm(adev, ih);
- } else
+ } else if (ih == &adev->irq.ih) {
WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR, ih->rptr);
+ } else if (ih == &adev->irq.ih1) {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING1, ih->rptr);
+ } else if (ih == &adev->irq.ih2) {
+ WREG32_SOC15(OSSSYS, 0, mmIH_RB_RPTR_RING2, ih->rptr);
+ }
+}
+
+/**
+ * navi10_ih_self_irq - dispatch work for ring 1 and 2
+ *
+ * @adev: amdgpu_device pointer
+ * @source: irq source
+ * @entry: IV with WPTR update
+ *
+ * Update the WPTR from the IV and schedule work to handle the entries.
+ */
+static int navi10_ih_self_irq(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ uint32_t wptr = cpu_to_le32(entry->src_data[0]);
+
+ switch (entry->ring_id) {
+ case 1:
+ *adev->irq.ih1.wptr_cpu = wptr;
+ schedule_work(&adev->irq.ih1_work);
+ break;
+ case 2:
+ *adev->irq.ih2.wptr_cpu = wptr;
+ schedule_work(&adev->irq.ih2_work);
+ break;
+ default: break;
+ }
+ return 0;
+}
+
+static const struct amdgpu_irq_src_funcs navi10_ih_self_irq_funcs = {
+ .process = navi10_ih_self_irq,
+};
+
+static void navi10_ih_set_self_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->irq.self_irq.num_types = 0;
+ adev->irq.self_irq.funcs = &navi10_ih_self_irq_funcs;
}
static int navi10_ih_early_init(void *handle)
@@ -342,6 +581,7 @@ static int navi10_ih_early_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
navi10_ih_set_interrupt_funcs(adev);
+ navi10_ih_set_self_irq_funcs(adev);
return 0;
}
@@ -351,6 +591,12 @@ static int navi10_ih_sw_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool use_bus_addr;
+ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_IH, 0,
+ &adev->irq.self_irq);
+
+ if (r)
+ return r;
+
/* use gpu virtual address for ih ring
* until ih_checken is programmed to allow
* use bus address for ih ring by psp bl */
@@ -363,6 +609,20 @@ static int navi10_ih_sw_init(void *handle)
adev->irq.ih.use_doorbell = true;
adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1;
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih1, PAGE_SIZE, true);
+ if (r)
+ return r;
+
+ adev->irq.ih1.use_doorbell = true;
+ adev->irq.ih1.doorbell_index = (adev->doorbell_index.ih + 1) << 1;
+
+ r = amdgpu_ih_ring_init(adev, &adev->irq.ih2, PAGE_SIZE, true);
+ if (r)
+ return r;
+
+ adev->irq.ih2.use_doorbell = true;
+ adev->irq.ih2.doorbell_index = (adev->doorbell_index.ih + 2) << 1;
+
r = amdgpu_irq_init(adev);
return r;
@@ -373,6 +633,8 @@ static int navi10_ih_sw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
amdgpu_irq_fini(adev);
+ amdgpu_ih_ring_fini(adev, &adev->irq.ih2);
+ amdgpu_ih_ring_fini(adev, &adev->irq.ih1);
amdgpu_ih_ring_fini(adev, &adev->irq.ih);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/navi10_sdma_pkt_open.h b/drivers/gpu/drm/amd/amdgpu/navi10_sdma_pkt_open.h
index 074a9a09c0a7..a5b60c9a2418 100644
--- a/drivers/gpu/drm/amd/amdgpu/navi10_sdma_pkt_open.h
+++ b/drivers/gpu/drm/amd/amdgpu/navi10_sdma_pkt_open.h
@@ -73,6 +73,22 @@
#define SDMA_OP_AQL_COPY 0
#define SDMA_OP_AQL_BARRIER_OR 0
+#define SDMA_GCR_RANGE_IS_PA (1 << 18)
+#define SDMA_GCR_SEQ(x) (((x) & 0x3) << 16)
+#define SDMA_GCR_GL2_WB (1 << 15)
+#define SDMA_GCR_GL2_INV (1 << 14)
+#define SDMA_GCR_GL2_DISCARD (1 << 13)
+#define SDMA_GCR_GL2_RANGE(x) (((x) & 0x3) << 11)
+#define SDMA_GCR_GL2_US (1 << 10)
+#define SDMA_GCR_GL1_INV (1 << 9)
+#define SDMA_GCR_GLV_INV (1 << 8)
+#define SDMA_GCR_GLK_INV (1 << 7)
+#define SDMA_GCR_GLK_WB (1 << 6)
+#define SDMA_GCR_GLM_INV (1 << 5)
+#define SDMA_GCR_GLM_WB (1 << 4)
+#define SDMA_GCR_GL1_RANGE(x) (((x) & 0x3) << 2)
+#define SDMA_GCR_GLI_INV(x) (((x) & 0x3) << 0)
+
/*define for op field*/
#define SDMA_PKT_HEADER_op_offset 0
#define SDMA_PKT_HEADER_op_mask 0x000000FF
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
index f3a3fe746222..cbcf04578b99 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c
@@ -290,23 +290,6 @@ const struct nbio_hdp_flush_reg nbio_v2_3_hdp_flush_reg = {
.ref_and_mask_sdma1 = BIF_BX_PF_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
};
-static void nbio_v2_3_detect_hw_virt(struct amdgpu_device *adev)
-{
- uint32_t reg;
-
- reg = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_RCC_IOV_FUNC_IDENTIFIER);
- if (reg & 1)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
-
- if (reg & 0x80000000)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
-
- if (!reg) {
- if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
- }
-}
-
static void nbio_v2_3_init_registers(struct amdgpu_device *adev)
{
uint32_t def, data;
@@ -338,6 +321,5 @@ const struct amdgpu_nbio_funcs nbio_v2_3_funcs = {
.get_clockgating_state = nbio_v2_3_get_clockgating_state,
.ih_control = nbio_v2_3_ih_control,
.init_registers = nbio_v2_3_init_registers,
- .detect_hw_virt = nbio_v2_3_detect_hw_virt,
.remap_hdp_registers = nbio_v2_3_remap_hdp_registers,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
index 635d9e1fc0a3..7b2fb050407d 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v6_1.c
@@ -241,23 +241,6 @@ const struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg = {
.ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK
};
-static void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev)
-{
- uint32_t reg;
-
- reg = RREG32_SOC15(NBIO, 0, mmRCC_PF_0_0_RCC_IOV_FUNC_IDENTIFIER);
- if (reg & 1)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
-
- if (reg & 0x80000000)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
-
- if (!reg) {
- if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
- }
-}
-
static void nbio_v6_1_init_registers(struct amdgpu_device *adev)
{
uint32_t def, data;
@@ -294,5 +277,4 @@ const struct amdgpu_nbio_funcs nbio_v6_1_funcs = {
.get_clockgating_state = nbio_v6_1_get_clockgating_state,
.ih_control = nbio_v6_1_ih_control,
.init_registers = nbio_v6_1_init_registers,
- .detect_hw_virt = nbio_v6_1_detect_hw_virt,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
index d6cbf26074bc..d34628e113fc 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_0.c
@@ -280,12 +280,6 @@ const struct nbio_hdp_flush_reg nbio_v7_0_hdp_flush_reg = {
.ref_and_mask_sdma1 = GPU_HDP_FLUSH_DONE__SDMA1_MASK,
};
-static void nbio_v7_0_detect_hw_virt(struct amdgpu_device *adev)
-{
- if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
-}
-
static void nbio_v7_0_init_registers(struct amdgpu_device *adev)
{
@@ -310,6 +304,5 @@ const struct amdgpu_nbio_funcs nbio_v7_0_funcs = {
.get_clockgating_state = nbio_v7_0_get_clockgating_state,
.ih_control = nbio_v7_0_ih_control,
.init_registers = nbio_v7_0_init_registers,
- .detect_hw_virt = nbio_v7_0_detect_hw_virt,
.remap_hdp_registers = nbio_v7_0_remap_hdp_registers,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index 149d386590df..e629156173d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -185,7 +185,7 @@ static void nbio_v7_4_ih_doorbell_range(struct amdgpu_device *adev,
if (use_doorbell) {
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index);
- ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2);
+ ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 4);
} else
ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0);
@@ -292,23 +292,6 @@ const struct nbio_hdp_flush_reg nbio_v7_4_hdp_flush_reg = {
.ref_and_mask_sdma7 = GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
};
-static void nbio_v7_4_detect_hw_virt(struct amdgpu_device *adev)
-{
- uint32_t reg;
-
- reg = RREG32_SOC15(NBIO, 0, mmRCC_IOV_FUNC_IDENTIFIER);
- if (reg & 1)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
-
- if (reg & 0x80000000)
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
-
- if (!reg) {
- if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
- }
-}
-
static void nbio_v7_4_init_registers(struct amdgpu_device *adev)
{
@@ -340,14 +323,20 @@ static void nbio_v7_4_handle_ras_controller_intr_no_bifring(struct amdgpu_device
obj->err_data.ce_count += err_data.ce_count;
if (err_data.ce_count)
- DRM_INFO("%ld correctable errors detected in %s block\n",
- obj->err_data.ce_count, adev->nbio.ras_if->name);
+ dev_info(adev->dev, "%ld correctable hardware "
+ "errors detected in %s block, "
+ "no user action is needed.\n",
+ obj->err_data.ce_count,
+ adev->nbio.ras_if->name);
if (err_data.ue_count)
- DRM_INFO("%ld uncorrectable errors detected in %s block\n",
- obj->err_data.ue_count, adev->nbio.ras_if->name);
+ dev_info(adev->dev, "%ld uncorrectable hardware "
+ "errors detected in %s block\n",
+ obj->err_data.ue_count,
+ adev->nbio.ras_if->name);
- DRM_WARN("RAS controller interrupt triggered by NBIF error\n");
+ dev_info(adev->dev, "RAS controller interrupt triggered "
+ "by NBIF error\n");
/* ras_controller_int is dedicated for nbif ras error,
* not the global interrupt for sync flood
@@ -561,7 +550,6 @@ const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
.get_clockgating_state = nbio_v7_4_get_clockgating_state,
.ih_control = nbio_v7_4_ih_control,
.init_registers = nbio_v7_4_init_registers,
- .detect_hw_virt = nbio_v7_4_detect_hw_virt,
.remap_hdp_registers = nbio_v7_4_remap_hdp_registers,
.handle_ras_controller_intr_no_bifring = nbio_v7_4_handle_ras_controller_intr_no_bifring,
.handle_ras_err_event_athub_intr_no_bifring = nbio_v7_4_handle_ras_err_event_athub_intr_no_bifring,
diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index 52318b03c424..6655dd2009b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -453,18 +453,19 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
{
int r;
- /* Set IP register base before any HW register access */
- r = nv_reg_base_init(adev);
- if (r)
- return r;
-
adev->nbio.funcs = &nbio_v2_3_funcs;
adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
- adev->nbio.funcs->detect_hw_virt(adev);
-
- if (amdgpu_sriov_vf(adev))
+ if (amdgpu_sriov_vf(adev)) {
adev->virt.ops = &xgpu_nv_virt_ops;
+ /* try send GPU_INIT_DATA request to host */
+ amdgpu_virt_request_init_data(adev);
+ }
+
+ /* Set IP register base before any HW register access */
+ r = nv_reg_base_init(adev);
+ if (r)
+ return r;
switch (adev->asic_type) {
case CHIP_NAVI10:
@@ -497,8 +498,7 @@ int nv_set_ip_blocks(struct amdgpu_device *adev)
amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
- if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
- !amdgpu_sriov_vf(adev))
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
@@ -548,13 +548,6 @@ static bool nv_need_full_reset(struct amdgpu_device *adev)
return true;
}
-static void nv_get_pcie_usage(struct amdgpu_device *adev,
- uint64_t *count0,
- uint64_t *count1)
-{
- /*TODO*/
-}
-
static bool nv_need_reset_on_init(struct amdgpu_device *adev)
{
#if 0
@@ -629,7 +622,6 @@ static const struct amdgpu_asic_funcs nv_asic_funcs =
.invalidate_hdp = &nv_invalidate_hdp,
.init_doorbell_index = &nv_init_doorbell_index,
.need_full_reset = &nv_need_full_reset,
- .get_pcie_usage = &nv_get_pcie_usage,
.need_reset_on_init = &nv_need_reset_on_init,
.get_pcie_replay_count = &nv_get_pcie_replay_count,
.supports_baco = &nv_asic_supports_baco,
diff --git a/drivers/gpu/drm/amd/amdgpu/nvd.h b/drivers/gpu/drm/amd/amdgpu/nvd.h
index 1de984647dbb..fd6b58243b03 100644
--- a/drivers/gpu/drm/amd/amdgpu/nvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/nvd.h
@@ -256,6 +256,54 @@
#define PACKET3_BLK_CNTX_UPDATE 0x53
#define PACKET3_INCR_UPDT_STATE 0x55
#define PACKET3_ACQUIRE_MEM 0x58
+/* 1. HEADER
+ * 2. COHER_CNTL [30:0]
+ * 2.1 ENGINE_SEL [31:31]
+ * 2. COHER_SIZE [31:0]
+ * 3. COHER_SIZE_HI [7:0]
+ * 4. COHER_BASE_LO [31:0]
+ * 5. COHER_BASE_HI [23:0]
+ * 7. POLL_INTERVAL [15:0]
+ * 8. GCR_CNTL [18:0]
+ */
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLI_INV(x) ((x) << 0)
+ /*
+ * 0:NOP
+ * 1:ALL
+ * 2:RANGE
+ * 3:FIRST_LAST
+ */
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL1_RANGE(x) ((x) << 2)
+ /*
+ * 0:ALL
+ * 1:reserved
+ * 2:RANGE
+ * 3:FIRST_LAST
+ */
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLM_WB(x) ((x) << 4)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLM_INV(x) ((x) << 5)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLK_WB(x) ((x) << 6)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLK_INV(x) ((x) << 7)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GLV_INV(x) ((x) << 8)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL1_INV(x) ((x) << 9)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_US(x) ((x) << 10)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_RANGE(x) ((x) << 11)
+ /*
+ * 0:ALL
+ * 1:VOL
+ * 2:RANGE
+ * 3:FIRST_LAST
+ */
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_DISCARD(x) ((x) << 13)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_INV(x) ((x) << 14)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_GL2_WB(x) ((x) << 15)
+#define PACKET3_ACQUIRE_MEM_GCR_CNTL_SEQ(x) ((x) << 16)
+ /*
+ * 0: PARALLEL
+ * 1: FORWARD
+ * 2: REVERSE
+ */
+#define PACKET3_ACQUIRE_MEM_GCR_RANGE_IS_PA (1 << 18)
#define PACKET3_REWIND 0x59
#define PACKET3_INTERRUPT 0x5A
#define PACKET3_GEN_PDEPTE 0x5B
@@ -306,6 +354,7 @@
#define PACKET3_GET_LOD_STATS 0x8E
#define PACKET3_DRAW_MULTI_PREAMBLE 0x8F
#define PACKET3_FRAME_CONTROL 0x90
+# define FRAME_TMZ (1 << 0)
# define FRAME_CMD(x) ((x) << 28)
/*
* x=0: tmz_begin
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
index 7539104175e8..d7f92634eba2 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -50,15 +50,14 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
const char *chip_name;
char fw_name[30];
int err = 0;
- const struct psp_firmware_header_v1_0 *hdr;
const struct ta_firmware_header_v1_0 *ta_hdr;
DRM_DEBUG("\n");
switch (adev->asic_type) {
case CHIP_RAVEN:
- if (adev->rev_id >= 0x8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
chip_name = "raven2";
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
chip_name = "picasso";
else
chip_name = "raven";
@@ -66,22 +65,10 @@ static int psp_v10_0_init_microcode(struct psp_context *psp)
default: BUG();
}
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
- err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
+ err = psp_init_asd_microcode(psp, chip_name);
if (err)
goto out;
- err = amdgpu_ucode_validate(adev->psp.asd_fw);
- if (err)
- goto out;
-
- hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
- adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
- adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
- adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
- adev->psp.asd_start_addr = (uint8_t *)hdr +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes);
-
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
if (err) {
@@ -126,8 +113,6 @@ out:
dev_err(adev->dev,
"psp v10.0: Failed to load firmware \"%s\"\n",
fw_name);
- release_firmware(adev->psp.asd_fw);
- adev->psp.asd_fw = NULL;
}
return err;
@@ -230,129 +215,6 @@ static int psp_v10_0_ring_destroy(struct psp_context *psp,
return ret;
}
-static int
-psp_v10_0_sram_map(struct amdgpu_device *adev,
- unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
- unsigned int *sram_data_reg_offset,
- enum AMDGPU_UCODE_ID ucode_id)
-{
- int ret = 0;
-
- switch(ucode_id) {
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SMC:
- *sram_offset = 0;
- *sram_addr_reg_offset = 0;
- *sram_data_reg_offset = 0;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_CP_CE:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_PFP:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_ME:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC1:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC2:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_RLC_G:
- *sram_offset = 0x2000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_SDMA0:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
- break;
-
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SDMA1:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_UVD:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_VCE:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_MAXIMUM:
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static bool psp_v10_0_compare_sram_data(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode,
- enum AMDGPU_UCODE_ID ucode_type)
-{
- int err = 0;
- unsigned int fw_sram_reg_val = 0;
- unsigned int fw_sram_addr_reg_offset = 0;
- unsigned int fw_sram_data_reg_offset = 0;
- unsigned int ucode_size;
- uint32_t *ucode_mem = NULL;
- struct amdgpu_device *adev = psp->adev;
-
- err = psp_v10_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
- &fw_sram_data_reg_offset, ucode_type);
- if (err)
- return false;
-
- WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
-
- ucode_size = ucode->ucode_size;
- ucode_mem = (uint32_t *)ucode->kaddr;
- while (!ucode_size) {
- fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
-
- if (*ucode_mem != fw_sram_reg_val)
- return false;
-
- ucode_mem++;
- /* 4 bytes */
- ucode_size -= 4;
- }
-
- return true;
-}
-
-
static int psp_v10_0_mode1_reset(struct psp_context *psp)
{
DRM_INFO("psp mode 1 reset not supported now! \n");
@@ -379,7 +241,6 @@ static const struct psp_funcs psp_v10_0_funcs = {
.ring_create = psp_v10_0_ring_create,
.ring_stop = psp_v10_0_ring_stop,
.ring_destroy = psp_v10_0_ring_destroy,
- .compare_sram_data = psp_v10_0_compare_sram_data,
.mode1_reset = psp_v10_0_mode1_reset,
.ring_get_wptr = psp_v10_0_ring_get_wptr,
.ring_set_wptr = psp_v10_0_ring_set_wptr,
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index 0afd610a1263..1de89cc3c355 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -75,10 +75,6 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
const char *chip_name;
char fw_name[30];
int err = 0;
- const struct psp_firmware_header_v1_0 *sos_hdr;
- const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
- const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;
- const struct psp_firmware_header_v1_0 *asd_hdr;
const struct ta_firmware_header_v1_0 *ta_hdr;
DRM_DEBUG("\n");
@@ -103,66 +99,13 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
BUG();
}
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
- err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
+ err = psp_init_sos_microcode(psp, chip_name);
if (err)
- goto out;
+ return err;
- err = amdgpu_ucode_validate(adev->psp.sos_fw);
+ err = psp_init_asd_microcode(psp, chip_name);
if (err)
- goto out;
-
- sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
- amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
-
- switch (sos_hdr->header.header_version_major) {
- case 1:
- adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
- adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);
- adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);
- adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);
- adev->psp.sys_start_addr = (uint8_t *)sos_hdr +
- le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
- adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
- le32_to_cpu(sos_hdr->sos_offset_bytes);
- if (sos_hdr->header.header_version_minor == 1) {
- sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
- adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);
- adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
- le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);
- adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_1->kdb_size_bytes);
- adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
- le32_to_cpu(sos_hdr_v1_1->kdb_offset_bytes);
- }
- if (sos_hdr->header.header_version_minor == 2) {
- sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;
- adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_2->kdb_size_bytes);
- adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
- le32_to_cpu(sos_hdr_v1_2->kdb_offset_bytes);
- }
- break;
- default:
- dev_err(adev->dev,
- "Unsupported psp sos firmware\n");
- err = -EINVAL;
- goto out;
- }
-
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
- err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
- if (err)
- goto out1;
-
- err = amdgpu_ucode_validate(adev->psp.asd_fw);
- if (err)
- goto out1;
-
- asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
- adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
- adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
- adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
- adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
- le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
+ return err;
switch (adev->asic_type) {
case CHIP_VEGA20:
@@ -194,6 +137,8 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
case CHIP_NAVI10:
case CHIP_NAVI14:
case CHIP_NAVI12:
+ if (amdgpu_sriov_vf(adev))
+ break;
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
if (err) {
@@ -229,15 +174,6 @@ static int psp_v11_0_init_microcode(struct psp_context *psp)
out2:
release_firmware(adev->psp.ta_fw);
adev->psp.ta_fw = NULL;
-out1:
- release_firmware(adev->psp.asd_fw);
- adev->psp.asd_fw = NULL;
-out:
- dev_err(adev->dev,
- "psp v11.0: Failed to load firmware \"%s\"\n", fw_name);
- release_firmware(adev->psp.sos_fw);
- adev->psp.sos_fw = NULL;
-
return err;
}
@@ -283,11 +219,8 @@ static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp)
/* Check tOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- if (psp_v11_0_is_sos_alive(psp)) {
- psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
- dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version);
+ if (psp_v11_0_is_sos_alive(psp))
return 0;
- }
ret = psp_v11_0_wait_for_bootloader(psp);
if (ret)
@@ -319,11 +252,8 @@ static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp)
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
- if (psp_v11_0_is_sos_alive(psp)) {
- psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
- dev_info(adev->dev, "sos fw version = 0x%x.\n", psp->sos_fw_version);
+ if (psp_v11_0_is_sos_alive(psp))
return 0;
- }
ret = psp_v11_0_wait_for_bootloader(psp);
if (ret)
@@ -446,13 +376,6 @@ static int psp_v11_0_ring_init(struct psp_context *psp,
return 0;
}
-static bool psp_v11_0_support_vmr_ring(struct psp_context *psp)
-{
- if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
- return true;
- return false;
-}
-
static int psp_v11_0_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type)
{
@@ -460,7 +383,7 @@ static int psp_v11_0_ring_stop(struct psp_context *psp,
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command*/
- if (psp_v11_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
else
@@ -471,7 +394,7 @@ static int psp_v11_0_ring_stop(struct psp_context *psp,
mdelay(20);
/* Wait for response flag (bit 31) */
- if (psp_v11_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
0x80000000, 0x80000000, false);
else
@@ -489,7 +412,7 @@ static int psp_v11_0_ring_create(struct psp_context *psp,
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
- if (psp_v11_0_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(adev)) {
ret = psp_v11_0_ring_stop(psp, ring_type);
if (ret) {
DRM_ERROR("psp_v11_0_ring_stop_sriov failed!\n");
@@ -567,138 +490,6 @@ static int psp_v11_0_ring_destroy(struct psp_context *psp,
return ret;
}
-static int
-psp_v11_0_sram_map(struct amdgpu_device *adev,
- unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
- unsigned int *sram_data_reg_offset,
- enum AMDGPU_UCODE_ID ucode_id)
-{
- int ret = 0;
-
- switch (ucode_id) {
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SMC:
- *sram_offset = 0;
- *sram_addr_reg_offset = 0;
- *sram_data_reg_offset = 0;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_CP_CE:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_PFP:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_ME:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC1:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC2:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_RLC_G:
- *sram_offset = 0x2000;
- if (adev->asic_type < CHIP_NAVI10) {
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
- } else {
- *sram_addr_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmRLC_GPM_UCODE_ADDR_NV10;
- *sram_data_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmRLC_GPM_UCODE_DATA_NV10;
- }
- break;
-
- case AMDGPU_UCODE_ID_SDMA0:
- *sram_offset = 0x0;
- if (adev->asic_type < CHIP_NAVI10) {
- *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
- } else {
- *sram_addr_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmSDMA0_UCODE_ADDR_NV10;
- *sram_data_reg_offset = adev->reg_offset[GC_HWIP][0][1] + mmSDMA0_UCODE_DATA_NV10;
- }
- break;
-
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SDMA1:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_UVD:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_VCE:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_MAXIMUM:
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static bool psp_v11_0_compare_sram_data(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode,
- enum AMDGPU_UCODE_ID ucode_type)
-{
- int err = 0;
- unsigned int fw_sram_reg_val = 0;
- unsigned int fw_sram_addr_reg_offset = 0;
- unsigned int fw_sram_data_reg_offset = 0;
- unsigned int ucode_size;
- uint32_t *ucode_mem = NULL;
- struct amdgpu_device *adev = psp->adev;
-
- err = psp_v11_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
- &fw_sram_data_reg_offset, ucode_type);
- if (err)
- return false;
-
- WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
-
- ucode_size = ucode->ucode_size;
- ucode_mem = (uint32_t *)ucode->kaddr;
- while (ucode_size) {
- fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
-
- if (*ucode_mem != fw_sram_reg_val)
- return false;
-
- ucode_mem++;
- /* 4 bytes */
- ucode_size -= 4;
- }
-
- return true;
-}
-
static int psp_v11_0_mode1_reset(struct psp_context *psp)
{
int ret;
@@ -733,181 +524,6 @@ static int psp_v11_0_mode1_reset(struct psp_context *psp)
return 0;
}
-/* TODO: Fill in follow functions once PSP firmware interface for XGMI is ready.
- * For now, return success and hack the hive_id so high level code can
- * start testing
- */
-static int psp_v11_0_xgmi_get_topology_info(struct psp_context *psp,
- int number_devices, struct psp_xgmi_topology_info *topology)
-{
- struct ta_xgmi_shared_memory *xgmi_cmd;
- struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
- struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
- int i;
- int ret;
-
- if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
- return -EINVAL;
-
- xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
- memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
-
- /* Fill in the shared memory with topology information as input */
- topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
- xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO;
- topology_info_input->num_nodes = number_devices;
-
- for (i = 0; i < topology_info_input->num_nodes; i++) {
- topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
- topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
- topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
- topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
- }
-
- /* Invoke xgmi ta to get the topology information */
- ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO);
- if (ret)
- return ret;
-
- /* Read the output topology information from the shared memory */
- topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
- topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
- for (i = 0; i < topology->num_nodes; i++) {
- topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
- topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
- topology->nodes[i].is_sharing_enabled = topology_info_output->nodes[i].is_sharing_enabled;
- topology->nodes[i].sdma_engine = topology_info_output->nodes[i].sdma_engine;
- }
-
- return 0;
-}
-
-static int psp_v11_0_xgmi_set_topology_info(struct psp_context *psp,
- int number_devices, struct psp_xgmi_topology_info *topology)
-{
- struct ta_xgmi_shared_memory *xgmi_cmd;
- struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
- int i;
-
- if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
- return -EINVAL;
-
- xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
- memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
-
- topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
- xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
- topology_info_input->num_nodes = number_devices;
-
- for (i = 0; i < topology_info_input->num_nodes; i++) {
- topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
- topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
- topology_info_input->nodes[i].is_sharing_enabled = 1;
- topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
- }
-
- /* Invoke xgmi ta to set topology information */
- return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
-}
-
-static int psp_v11_0_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
-{
- struct ta_xgmi_shared_memory *xgmi_cmd;
- int ret;
-
- xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
- memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
-
- xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
-
- /* Invoke xgmi ta to get hive id */
- ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
- if (ret)
- return ret;
-
- *hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
-
- return 0;
-}
-
-static int psp_v11_0_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
-{
- struct ta_xgmi_shared_memory *xgmi_cmd;
- int ret;
-
- xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
- memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
-
- xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
-
- /* Invoke xgmi ta to get the node id */
- ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
- if (ret)
- return ret;
-
- *node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
-
- return 0;
-}
-
-static int psp_v11_0_ras_trigger_error(struct psp_context *psp,
- struct ta_ras_trigger_error_input *info)
-{
- struct ta_ras_shared_memory *ras_cmd;
- int ret;
-
- if (!psp->ras.ras_initialized)
- return -EINVAL;
-
- ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
- memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
-
- ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
- ras_cmd->ras_in_message.trigger_error = *info;
-
- ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
- if (ret)
- return -EINVAL;
-
- /* If err_event_athub occurs error inject was successful, however
- return status from TA is no long reliable */
- if (amdgpu_ras_intr_triggered())
- return 0;
-
- return ras_cmd->ras_status;
-}
-
-static int psp_v11_0_ras_cure_posion(struct psp_context *psp, uint64_t *mode_ptr)
-{
-#if 0
- // not support yet.
- struct ta_ras_shared_memory *ras_cmd;
- int ret;
-
- if (!psp->ras.ras_initialized)
- return -EINVAL;
-
- ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
- memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
-
- ras_cmd->cmd_id = TA_RAS_COMMAND__CURE_POISON;
- ras_cmd->ras_in_message.cure_poison.mode_ptr = mode_ptr;
-
- ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
- if (ret)
- return -EINVAL;
-
- return ras_cmd->ras_status;
-#else
- return -EINVAL;
-#endif
-}
-
-static int psp_v11_0_rlc_autoload_start(struct psp_context *psp)
-{
- return psp_rlc_autoload_start(psp);
-}
-
static int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg)
{
int ret;
@@ -1099,7 +715,7 @@ static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp)
uint32_t data;
struct amdgpu_device *adev = psp->adev;
- if (psp_v11_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
else
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
@@ -1111,7 +727,7 @@ static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
{
struct amdgpu_device *adev = psp->adev;
- if (psp_v11_0_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(adev)) {
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
} else
@@ -1203,16 +819,7 @@ static const struct psp_funcs psp_v11_0_funcs = {
.ring_create = psp_v11_0_ring_create,
.ring_stop = psp_v11_0_ring_stop,
.ring_destroy = psp_v11_0_ring_destroy,
- .compare_sram_data = psp_v11_0_compare_sram_data,
.mode1_reset = psp_v11_0_mode1_reset,
- .xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info,
- .xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info,
- .xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id,
- .xgmi_get_node_id = psp_v11_0_xgmi_get_node_id,
- .support_vmr_ring = psp_v11_0_support_vmr_ring,
- .ras_trigger_error = psp_v11_0_ras_trigger_error,
- .ras_cure_posion = psp_v11_0_ras_cure_posion,
- .rlc_autoload_start = psp_v11_0_rlc_autoload_start,
.mem_training_init = psp_v11_0_memory_training_init,
.mem_training_fini = psp_v11_0_memory_training_fini,
.mem_training = psp_v11_0_memory_training,
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
index 58d8b6d732e8..6c9614f77d33 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
@@ -45,11 +45,7 @@ static int psp_v12_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
const char *chip_name;
- char fw_name[30];
int err = 0;
- const struct psp_firmware_header_v1_0 *asd_hdr;
-
- DRM_DEBUG("\n");
switch (adev->asic_type) {
case CHIP_RENOIR:
@@ -59,28 +55,7 @@ static int psp_v12_0_init_microcode(struct psp_context *psp)
BUG();
}
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
- err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
- if (err)
- goto out1;
-
- err = amdgpu_ucode_validate(adev->psp.asd_fw);
- if (err)
- goto out1;
-
- asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
- adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
- adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
- adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
- adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
- le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
-
- return 0;
-
-out1:
- release_firmware(adev->psp.asd_fw);
- adev->psp.asd_fw = NULL;
-
+ err = psp_init_asd_microcode(psp, chip_name);
return err;
}
@@ -95,11 +70,8 @@ static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
- if (sol_reg) {
- psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
- printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
+ if (sol_reg)
return 0;
- }
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
@@ -228,13 +200,6 @@ static int psp_v12_0_ring_init(struct psp_context *psp,
return 0;
}
-static bool psp_v12_0_support_vmr_ring(struct psp_context *psp)
-{
- if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
- return true;
- return false;
-}
-
static int psp_v12_0_ring_create(struct psp_context *psp,
enum psp_ring_type ring_type)
{
@@ -243,7 +208,7 @@ static int psp_v12_0_ring_create(struct psp_context *psp,
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
- if (psp_v12_0_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(psp->adev)) {
/* Write low address of the ring to C2PMSG_102 */
psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
@@ -295,7 +260,7 @@ static int psp_v12_0_ring_stop(struct psp_context *psp,
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command*/
- if (psp_v12_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
else
@@ -306,7 +271,7 @@ static int psp_v12_0_ring_stop(struct psp_context *psp,
mdelay(20);
/* Wait for response flag (bit 31) */
- if (psp_v12_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
0x80000000, 0x80000000, false);
else
@@ -334,128 +299,6 @@ static int psp_v12_0_ring_destroy(struct psp_context *psp,
return ret;
}
-static int
-psp_v12_0_sram_map(struct amdgpu_device *adev,
- unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
- unsigned int *sram_data_reg_offset,
- enum AMDGPU_UCODE_ID ucode_id)
-{
- int ret = 0;
-
- switch (ucode_id) {
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SMC:
- *sram_offset = 0;
- *sram_addr_reg_offset = 0;
- *sram_data_reg_offset = 0;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_CP_CE:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_PFP:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_ME:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC1:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC2:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_RLC_G:
- *sram_offset = 0x2000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_SDMA0:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
- break;
-
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SDMA1:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_UVD:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_VCE:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_MAXIMUM:
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static bool psp_v12_0_compare_sram_data(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode,
- enum AMDGPU_UCODE_ID ucode_type)
-{
- int err = 0;
- unsigned int fw_sram_reg_val = 0;
- unsigned int fw_sram_addr_reg_offset = 0;
- unsigned int fw_sram_data_reg_offset = 0;
- unsigned int ucode_size;
- uint32_t *ucode_mem = NULL;
- struct amdgpu_device *adev = psp->adev;
-
- err = psp_v12_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
- &fw_sram_data_reg_offset, ucode_type);
- if (err)
- return false;
-
- WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
-
- ucode_size = ucode->ucode_size;
- ucode_mem = (uint32_t *)ucode->kaddr;
- while (ucode_size) {
- fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
-
- if (*ucode_mem != fw_sram_reg_val)
- return false;
-
- ucode_mem++;
- /* 4 bytes */
- ucode_size -= 4;
- }
-
- return true;
-}
-
static int psp_v12_0_mode1_reset(struct psp_context *psp)
{
int ret;
@@ -495,7 +338,7 @@ static uint32_t psp_v12_0_ring_get_wptr(struct psp_context *psp)
uint32_t data;
struct amdgpu_device *adev = psp->adev;
- if (psp_v12_0_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
else
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
@@ -507,7 +350,7 @@ static void psp_v12_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
{
struct amdgpu_device *adev = psp->adev;
- if (psp_v12_0_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(adev)) {
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD);
} else
@@ -522,7 +365,6 @@ static const struct psp_funcs psp_v12_0_funcs = {
.ring_create = psp_v12_0_ring_create,
.ring_stop = psp_v12_0_ring_stop,
.ring_destroy = psp_v12_0_ring_destroy,
- .compare_sram_data = psp_v12_0_compare_sram_data,
.mode1_reset = psp_v12_0_mode1_reset,
.ring_get_wptr = psp_v12_0_ring_get_wptr,
.ring_set_wptr = psp_v12_0_ring_set_wptr,
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
index 735c43c7daab..f2e725f72d2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -50,9 +50,6 @@ MODULE_FIRMWARE("amdgpu/vega12_asd.bin");
#define smnMP1_FIRMWARE_FLAGS 0x3010028
-static uint32_t sos_old_versions[] = {1517616, 1510592, 1448594, 1446554};
-
-static bool psp_v3_1_support_vmr_ring(struct psp_context *psp);
static int psp_v3_1_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type);
@@ -60,9 +57,7 @@ static int psp_v3_1_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
const char *chip_name;
- char fw_name[30];
int err = 0;
- const struct psp_firmware_header_v1_0 *hdr;
DRM_DEBUG("\n");
@@ -76,55 +71,15 @@ static int psp_v3_1_init_microcode(struct psp_context *psp)
default: BUG();
}
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
- err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
- if (err)
- goto out;
-
- err = amdgpu_ucode_validate(adev->psp.sos_fw);
+ err = psp_init_sos_microcode(psp, chip_name);
if (err)
- goto out;
-
- hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
- adev->psp.sos_fw_version = le32_to_cpu(hdr->header.ucode_version);
- adev->psp.sos_feature_version = le32_to_cpu(hdr->ucode_feature_version);
- adev->psp.sos_bin_size = le32_to_cpu(hdr->sos_size_bytes);
- adev->psp.sys_bin_size = le32_to_cpu(hdr->header.ucode_size_bytes) -
- le32_to_cpu(hdr->sos_size_bytes);
- adev->psp.sys_start_addr = (uint8_t *)hdr +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes);
- adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
- le32_to_cpu(hdr->sos_offset_bytes);
-
- snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
- err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
- if (err)
- goto out;
+ return err;
- err = amdgpu_ucode_validate(adev->psp.asd_fw);
+ err = psp_init_asd_microcode(psp, chip_name);
if (err)
- goto out;
-
- hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
- adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
- adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
- adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
- adev->psp.asd_start_addr = (uint8_t *)hdr +
- le32_to_cpu(hdr->header.ucode_array_offset_bytes);
+ return err;
return 0;
-out:
- if (err) {
- dev_err(adev->dev,
- "psp v3.1: Failed to load firmware \"%s\"\n",
- fw_name);
- release_firmware(adev->psp.sos_fw);
- adev->psp.sos_fw = NULL;
- release_firmware(adev->psp.asd_fw);
- adev->psp.asd_fw = NULL;
- }
-
- return err;
}
static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
@@ -168,41 +123,19 @@ static int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp)
return ret;
}
-static bool psp_v3_1_match_version(struct amdgpu_device *adev, uint32_t ver)
-{
- int i;
-
- if (ver == adev->psp.sos_fw_version)
- return true;
-
- /*
- * Double check if the latest four legacy versions.
- * If yes, it is still the right version.
- */
- for (i = 0; i < ARRAY_SIZE(sos_old_versions); i++) {
- if (sos_old_versions[i] == adev->psp.sos_fw_version)
- return true;
- }
-
- return false;
-}
-
static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
{
int ret;
unsigned int psp_gfxdrv_command_reg = 0;
struct amdgpu_device *adev = psp->adev;
- uint32_t sol_reg, ver;
+ uint32_t sol_reg;
/* Check sOS sign of life register to confirm sys driver and sOS
* are already been loaded.
*/
sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
- if (sol_reg) {
- psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
- printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
+ if (sol_reg)
return 0;
- }
/* Wait for bootloader to signify that is ready having bit 31 of C2PMSG_35 set to 1 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
@@ -227,11 +160,6 @@ static int psp_v3_1_bootloader_load_sos(struct psp_context *psp)
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
0, true);
-
- ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
- if (!psp_v3_1_match_version(adev, ver))
- DRM_WARN("SOS version doesn't match\n");
-
return ret;
}
@@ -302,7 +230,7 @@ static int psp_v3_1_ring_create(struct psp_context *psp,
psp_v3_1_reroute_ih(psp);
- if (psp_v3_1_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(adev)) {
ret = psp_v3_1_ring_stop(psp, ring_type);
if (ret) {
DRM_ERROR("psp_v3_1_ring_stop_sriov failed!\n");
@@ -360,34 +288,26 @@ static int psp_v3_1_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
- unsigned int psp_ring_reg = 0;
struct amdgpu_device *adev = psp->adev;
- if (psp_v3_1_support_vmr_ring(psp)) {
- /* Write the Destroy GPCOM ring command to C2PMSG_101 */
- psp_ring_reg = GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING;
- WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
-
- /* there might be handshake issue which needs delay */
- mdelay(20);
-
- /* Wait for response flag (bit 31) in C2PMSG_101 */
- ret = psp_wait_for(psp,
- SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
- 0x80000000, 0x80000000, false);
- } else {
- /* Write the ring destroy command to C2PMSG_64 */
- psp_ring_reg = 3 << 16;
- WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
+ /* Write the ring destroy command*/
+ if (amdgpu_sriov_vf(adev))
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
+ GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
+ else
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
+ GFX_CTRL_CMD_ID_DESTROY_RINGS);
- /* there might be handshake issue which needs delay */
- mdelay(20);
+ /* there might be handshake issue with hardware which needs delay */
+ mdelay(20);
- /* Wait for response flag (bit 31) in C2PMSG_64 */
- ret = psp_wait_for(psp,
- SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
- 0x80000000, 0x80000000, false);
- }
+ /* Wait for response flag (bit 31) */
+ if (amdgpu_sriov_vf(adev))
+ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_101),
+ 0x80000000, 0x80000000, false);
+ else
+ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
+ 0x80000000, 0x80000000, false);
return ret;
}
@@ -410,128 +330,6 @@ static int psp_v3_1_ring_destroy(struct psp_context *psp,
return ret;
}
-static int
-psp_v3_1_sram_map(struct amdgpu_device *adev,
- unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
- unsigned int *sram_data_reg_offset,
- enum AMDGPU_UCODE_ID ucode_id)
-{
- int ret = 0;
-
- switch(ucode_id) {
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SMC:
- *sram_offset = 0;
- *sram_addr_reg_offset = 0;
- *sram_data_reg_offset = 0;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_CP_CE:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_PFP:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_ME:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC1:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_CP_MEC2:
- *sram_offset = 0x10000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_RLC_G:
- *sram_offset = 0x2000;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
- break;
-
- case AMDGPU_UCODE_ID_SDMA0:
- *sram_offset = 0x0;
- *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
- *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
- break;
-
-/* TODO: needs to confirm */
-#if 0
- case AMDGPU_UCODE_ID_SDMA1:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_UVD:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-
- case AMDGPU_UCODE_ID_VCE:
- *sram_offset = ;
- *sram_addr_reg_offset = ;
- break;
-#endif
-
- case AMDGPU_UCODE_ID_MAXIMUM:
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-}
-
-static bool psp_v3_1_compare_sram_data(struct psp_context *psp,
- struct amdgpu_firmware_info *ucode,
- enum AMDGPU_UCODE_ID ucode_type)
-{
- int err = 0;
- unsigned int fw_sram_reg_val = 0;
- unsigned int fw_sram_addr_reg_offset = 0;
- unsigned int fw_sram_data_reg_offset = 0;
- unsigned int ucode_size;
- uint32_t *ucode_mem = NULL;
- struct amdgpu_device *adev = psp->adev;
-
- err = psp_v3_1_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
- &fw_sram_data_reg_offset, ucode_type);
- if (err)
- return false;
-
- WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
-
- ucode_size = ucode->ucode_size;
- ucode_mem = (uint32_t *)ucode->kaddr;
- while (ucode_size) {
- fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
-
- if (*ucode_mem != fw_sram_reg_val)
- return false;
-
- ucode_mem++;
- /* 4 bytes */
- ucode_size -= 4;
- }
-
- return true;
-}
-
static bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
@@ -575,20 +373,12 @@ static int psp_v3_1_mode1_reset(struct psp_context *psp)
return 0;
}
-static bool psp_v3_1_support_vmr_ring(struct psp_context *psp)
-{
- if (amdgpu_sriov_vf(psp->adev))
- return true;
-
- return false;
-}
-
static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp)
{
uint32_t data;
struct amdgpu_device *adev = psp->adev;
- if (psp_v3_1_support_vmr_ring(psp))
+ if (amdgpu_sriov_vf(adev))
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
else
data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
@@ -599,7 +389,7 @@ static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value)
{
struct amdgpu_device *adev = psp->adev;
- if (psp_v3_1_support_vmr_ring(psp)) {
+ if (amdgpu_sriov_vf(adev)) {
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value);
/* send interrupt to PSP for SRIOV ring write pointer update */
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
@@ -616,10 +406,8 @@ static const struct psp_funcs psp_v3_1_funcs = {
.ring_create = psp_v3_1_ring_create,
.ring_stop = psp_v3_1_ring_stop,
.ring_destroy = psp_v3_1_ring_destroy,
- .compare_sram_data = psp_v3_1_compare_sram_data,
.smu_reload_quirk = psp_v3_1_smu_reload_quirk,
.mode1_reset = psp_v3_1_mode1_reset,
- .support_vmr_ring = psp_v3_1_support_vmr_ring,
.ring_get_wptr = psp_v3_1_ring_get_wptr,
.ring_set_wptr = psp_v3_1_ring_set_wptr,
};
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
index 7d509a40076f..5f304d61999e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c
@@ -355,8 +355,6 @@ static void sdma_v2_4_gfx_stop(struct amdgpu_device *adev)
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl);
}
- sdma0->sched.ready = false;
- sdma1->sched.ready = false;
}
/**
@@ -614,7 +612,8 @@ static int sdma_v2_4_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err0;
@@ -874,7 +873,8 @@ static int sdma_v2_4_sw_init(void *handle)
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
- AMDGPU_SDMA_IRQ_INSTANCE1);
+ AMDGPU_SDMA_IRQ_INSTANCE1,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -1200,7 +1200,8 @@ static void sdma_v2_4_set_irq_funcs(struct amdgpu_device *adev)
static void sdma_v2_4_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
index b6109a99fc43..c59f6f6f4c09 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
@@ -529,8 +529,6 @@ static void sdma_v3_0_gfx_stop(struct amdgpu_device *adev)
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
WREG32(mmSDMA0_GFX_IB_CNTL + sdma_offsets[i], ib_cntl);
}
- sdma0->sched.ready = false;
- sdma1->sched.ready = false;
}
/**
@@ -886,7 +884,8 @@ static int sdma_v3_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err0;
@@ -1158,7 +1157,8 @@ static int sdma_v3_0_sw_init(void *handle)
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
- AMDGPU_SDMA_IRQ_INSTANCE1);
+ AMDGPU_SDMA_IRQ_INSTANCE1,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -1638,7 +1638,8 @@ static void sdma_v3_0_set_irq_funcs(struct amdgpu_device *adev)
static void sdma_v3_0_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 5f3a5ee2a3f4..33501c6c7189 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -115,17 +115,21 @@ static const struct soc15_reg_golden golden_settings_sdma_4[] = {
static const struct soc15_reg_golden golden_settings_sdma_vg10[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
+ SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
- SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002)
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
};
static const struct soc15_reg_golden golden_settings_sdma_vg12[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
+ SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
- SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001)
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
};
static const struct soc15_reg_golden golden_settings_sdma_4_1[] = {
@@ -174,6 +178,7 @@ static const struct soc15_reg_golden golden_settings_sdma0_4_2[] =
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
+ SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
};
static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
@@ -203,6 +208,7 @@ static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
};
static const struct soc15_reg_golden golden_settings_sdma_rv1[] =
@@ -222,27 +228,35 @@ static const struct soc15_reg_golden golden_settings_sdma_arct[] =
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA2, 0, mmSDMA2_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA3, 0, mmSDMA3_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA4, 0, mmSDMA4_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA5, 0, mmSDMA5_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA6, 0, mmSDMA6_UTCL1_TIMEOUT, 0xffffffff, 0x00010001),
SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
- SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002)
+ SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
+ SOC15_REG_GOLDEN_VALUE(SDMA7, 0, mmSDMA7_UTCL1_TIMEOUT, 0xffffffff, 0x00010001)
};
static const struct soc15_reg_golden golden_settings_sdma_4_3[] = {
@@ -472,7 +486,7 @@ static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
soc15_program_register_sequence(adev,
golden_settings_sdma_4_1,
ARRAY_SIZE(golden_settings_sdma_4_1));
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
soc15_program_register_sequence(adev,
golden_settings_sdma_rv2,
ARRAY_SIZE(golden_settings_sdma_rv2));
@@ -561,9 +575,9 @@ static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
chip_name = "vega20";
break;
case CHIP_RAVEN:
- if (adev->rev_id >= 8)
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
chip_name = "raven2";
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
chip_name = "picasso";
else
chip_name = "raven";
@@ -923,8 +937,6 @@ static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev)
ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
-
- sdma[i]->sched.ready = false;
}
}
@@ -971,8 +983,6 @@ static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL,
IB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
-
- sdma[i]->sched.ready = false;
}
}
@@ -1539,7 +1549,8 @@ static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err0;
@@ -1840,7 +1851,7 @@ static int sdma_v4_0_sw_init(void *handle)
ring->ring_obj = NULL;
ring->use_doorbell = true;
- DRM_INFO("use_doorbell being set to: [%s]\n",
+ DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
ring->use_doorbell?"true":"false");
/* doorbell size is 2 dwords, get DWORD offset */
@@ -1848,7 +1859,8 @@ static int sdma_v4_0_sw_init(void *handle)
sprintf(ring->name, "sdma%d", i);
r = amdgpu_ring_init(adev, ring, 1024, &adev->sdma.trap_irq,
- AMDGPU_SDMA_IRQ_INSTANCE0 + i);
+ AMDGPU_SDMA_IRQ_INSTANCE0 + i,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -1866,7 +1878,8 @@ static int sdma_v4_0_sw_init(void *handle)
sprintf(ring->name, "page%d", i);
r = amdgpu_ring_init(adev, ring, 1024,
&adev->sdma.trap_irq,
- AMDGPU_SDMA_IRQ_INSTANCE0 + i);
+ AMDGPU_SDMA_IRQ_INSTANCE0 + i,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -2445,10 +2458,12 @@ static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
- SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
+ SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
+ SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
ib->ptr[ib->length_dw++] = byte_count - 1;
ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
index ebfd2cdf4e65..b544baf306f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c
@@ -88,6 +88,29 @@ static const struct soc15_reg_golden golden_settings_sdma_5[] = {
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_UTCL1_PAGE, 0x00ffffff, 0x000c5c00)
};
+static const struct soc15_reg_golden golden_settings_sdma_5_sriov[] = {
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+ SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
+};
+
static const struct soc15_reg_golden golden_settings_sdma_nv10[] = {
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(GC, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
@@ -141,9 +164,14 @@ static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
(const u32)ARRAY_SIZE(golden_settings_sdma_nv14));
break;
case CHIP_NAVI12:
- soc15_program_register_sequence(adev,
- golden_settings_sdma_5,
- (const u32)ARRAY_SIZE(golden_settings_sdma_5));
+ if (amdgpu_sriov_vf(adev))
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_5_sriov,
+ (const u32)ARRAY_SIZE(golden_settings_sdma_5_sriov));
+ else
+ soc15_program_register_sequence(adev,
+ golden_settings_sdma_5,
+ (const u32)ARRAY_SIZE(golden_settings_sdma_5));
soc15_program_register_sequence(adev,
golden_settings_sdma_nv12,
(const u32)ARRAY_SIZE(golden_settings_sdma_nv12));
@@ -382,6 +410,18 @@ static void sdma_v5_0_ring_emit_ib(struct amdgpu_ring *ring,
unsigned vmid = AMDGPU_JOB_GET_VMID(job);
uint64_t csa_mc_addr = amdgpu_sdma_get_csa_mc_addr(ring, vmid);
+ /* Invalidate L2, because if we don't do it, we might get stale cache
+ * lines from previous IBs.
+ */
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_GCR_REQ));
+ amdgpu_ring_write(ring, 0);
+ amdgpu_ring_write(ring, (SDMA_GCR_GL2_INV |
+ SDMA_GCR_GL2_WB |
+ SDMA_GCR_GLM_INV |
+ SDMA_GCR_GLM_WB) << 16);
+ amdgpu_ring_write(ring, 0xffffff80);
+ amdgpu_ring_write(ring, 0xffff);
+
/* An IB packet must end on a 8 DW boundary--the next dword
* must be on a 8-dword boundary. Our IB packet below is 6
* dwords long, thus add x number of NOPs, such that, in
@@ -502,9 +542,6 @@ static void sdma_v5_0_gfx_stop(struct amdgpu_device *adev)
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_IB_CNTL), ib_cntl);
}
-
- sdma0->sched.ready = false;
- sdma1->sched.ready = false;
}
/**
@@ -529,7 +566,7 @@ static void sdma_v5_0_rlc_stop(struct amdgpu_device *adev)
*/
static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
{
- u32 f32_cntl, phase_quantum = 0;
+ u32 f32_cntl = 0, phase_quantum = 0;
int i;
if (amdgpu_sdma_phase_quantum) {
@@ -557,9 +594,12 @@ static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
}
for (i = 0; i < adev->sdma.num_instances; i++) {
- f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
- f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
- AUTO_CTXSW_ENABLE, enable ? 1 : 0);
+ if (!amdgpu_sriov_vf(adev)) {
+ f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
+ f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
+ AUTO_CTXSW_ENABLE, enable ? 1 : 0);
+ }
+
if (enable && amdgpu_sdma_phase_quantum) {
WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE0_QUANTUM),
phase_quantum);
@@ -568,7 +608,8 @@ static void sdma_v5_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_PHASE2_QUANTUM),
phase_quantum);
}
- WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
+ if (!amdgpu_sriov_vf(adev))
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), f32_cntl);
}
}
@@ -591,6 +632,9 @@ static void sdma_v5_0_enable(struct amdgpu_device *adev, bool enable)
sdma_v5_0_rlc_stop(adev);
}
+ if (amdgpu_sriov_vf(adev))
+ return;
+
for (i = 0; i < adev->sdma.num_instances; i++) {
f32_cntl = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_F32_CNTL));
f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
@@ -623,7 +667,8 @@ static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
ring = &adev->sdma.instance[i].ring;
wb_offset = (ring->rptr_offs * 4);
- WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
+ if (!amdgpu_sriov_vf(adev))
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL), 0);
/* Set ring buffer size in dwords */
rb_bufsz = order_base_2(ring->ring_size / 4);
@@ -699,26 +744,28 @@ static int sdma_v5_0_gfx_resume(struct amdgpu_device *adev)
/* set minor_ptr_update to 0 after wptr programed */
WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_GFX_MINOR_PTR_UPDATE), 0);
- /* set utc l1 enable flag always to 1 */
- temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
- temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
-
- /* enable MCBP */
- temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
- WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
-
- /* Set up RESP_MODE to non-copy addresses */
- temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
- temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
- temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
- WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
-
- /* program default cache read and write policy */
- temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
- /* clean read policy and write policy bits */
- temp &= 0xFF0FFF;
- temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
- WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
+ if (!amdgpu_sriov_vf(adev)) {
+ /* set utc l1 enable flag always to 1 */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
+
+ /* enable MCBP */
+ temp = REG_SET_FIELD(temp, SDMA0_CNTL, MIDCMD_PREEMPT_ENABLE, 1);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_CNTL), temp);
+
+ /* Set up RESP_MODE to non-copy addresses */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL));
+ temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, RESP_MODE, 3);
+ temp = REG_SET_FIELD(temp, SDMA0_UTCL1_CNTL, REDO_DELAY, 9);
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_CNTL), temp);
+
+ /* program default cache read and write policy */
+ temp = RREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE));
+ /* clean read policy and write policy bits */
+ temp &= 0xFF0FFF;
+ temp |= ((CACHE_READ_POLICY_L2__DEFAULT << 12) | (CACHE_WRITE_POLICY_L2__DEFAULT << 14));
+ WREG32(sdma_v5_0_get_reg_offset(adev, i, mmSDMA0_UTCL1_PAGE), temp);
+ }
if (!amdgpu_sriov_vf(adev)) {
/* unhalt engine */
@@ -948,7 +995,8 @@ static int sdma_v5_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r) {
DRM_ERROR("amdgpu: failed to get ib (%ld).\n", r);
goto err0;
@@ -1224,7 +1272,7 @@ static int sdma_v5_0_sw_init(void *handle)
ring->ring_obj = NULL;
ring->use_doorbell = true;
- DRM_INFO("use_doorbell being set to: [%s]\n",
+ DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,
ring->use_doorbell?"true":"false");
ring->doorbell_index = (i == 0) ?
@@ -1236,7 +1284,8 @@ static int sdma_v5_0_sw_init(void *handle)
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
- AMDGPU_SDMA_IRQ_INSTANCE1);
+ AMDGPU_SDMA_IRQ_INSTANCE1,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -1387,14 +1436,16 @@ static int sdma_v5_0_set_trap_irq_state(struct amdgpu_device *adev,
{
u32 sdma_cntl;
- u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
- sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
- sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
+ if (!amdgpu_sriov_vf(adev)) {
+ u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
+ sdma_v5_0_get_reg_offset(adev, 0, mmSDMA0_CNTL) :
+ sdma_v5_0_get_reg_offset(adev, 1, mmSDMA0_CNTL);
- sdma_cntl = RREG32(reg_offset);
- sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
- state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
- WREG32(reg_offset, sdma_cntl);
+ sdma_cntl = RREG32(reg_offset);
+ sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
+ state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
+ WREG32(reg_offset, sdma_cntl);
+ }
return 0;
}
@@ -1595,7 +1646,7 @@ static const struct amdgpu_ring_funcs sdma_v5_0_ring_funcs = {
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 * 2 +
10 + 10 + 10, /* sdma_v5_0_ring_emit_fence x3 for user fence, vm fence */
- .emit_ib_size = 7 + 6, /* sdma_v5_0_ring_emit_ib */
+ .emit_ib_size = 5 + 7 + 6, /* sdma_v5_0_ring_emit_ib */
.emit_ib = sdma_v5_0_ring_emit_ib,
.emit_fence = sdma_v5_0_ring_emit_fence,
.emit_pipeline_sync = sdma_v5_0_ring_emit_pipeline_sync,
@@ -1655,10 +1706,12 @@ static void sdma_v5_0_set_irq_funcs(struct amdgpu_device *adev)
static void sdma_v5_0_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
- SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
+ SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR) |
+ SDMA_PKT_COPY_LINEAR_HEADER_TMZ(tmz ? 1 : 0);
ib->ptr[ib->length_dw++] = byte_count - 1;
ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
diff --git a/drivers/gpu/drm/amd/amdgpu/si.c b/drivers/gpu/drm/amd/amdgpu/si.c
index 4d415bfdb42f..153db3f763bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/si.c
+++ b/drivers/gpu/drm/amd/amdgpu/si.c
@@ -1249,12 +1249,6 @@ static int si_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
return 0;
}
-static void si_detect_hw_virtualization(struct amdgpu_device *adev)
-{
- if (is_virtual_machine()) /* passthrough mode */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
-}
-
static void si_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
if (!ring || !ring->funcs->emit_wreg) {
@@ -2165,8 +2159,6 @@ static const struct amdgpu_ip_block_version si_common_ip_block =
int si_set_ip_blocks(struct amdgpu_device *adev)
{
- si_detect_hw_virtualization(adev);
-
switch (adev->asic_type) {
case CHIP_VERDE:
case CHIP_TAHITI:
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dma.c b/drivers/gpu/drm/amd/amdgpu/si_dma.c
index 42d5601b6bf3..7d2bbcbe547b 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dma.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dma.c
@@ -124,7 +124,6 @@ static void si_dma_stop(struct amdgpu_device *adev)
if (adev->mman.buffer_funcs_ring == ring)
amdgpu_ttm_set_buffer_funcs_status(adev, false);
- ring->sched.ready = false;
}
}
@@ -267,7 +266,8 @@ static int si_dma_ring_test_ib(struct amdgpu_ring *ring, long timeout)
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
- r = amdgpu_ib_get(adev, NULL, 256, &ib);
+ r = amdgpu_ib_get(adev, NULL, 256,
+ AMDGPU_IB_POOL_DIRECT, &ib);
if (r)
goto err0;
@@ -504,7 +504,8 @@ static int si_dma_sw_init(void *handle)
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
- AMDGPU_SDMA_IRQ_INSTANCE1);
+ AMDGPU_SDMA_IRQ_INSTANCE1,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -775,7 +776,8 @@ static void si_dma_set_irq_funcs(struct amdgpu_device *adev)
static void si_dma_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
- uint32_t byte_count)
+ uint32_t byte_count,
+ bool tmz)
{
ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_COPY,
1, 0, 0, byte_count);
diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
index 0860e85a2d35..c00ba4b23c9a 100644
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -345,26 +345,6 @@ static const struct si_dte_data dte_data_tahiti =
false
};
-#if 0
-static const struct si_dte_data dte_data_tahiti_le =
-{
- { 0x1E8480, 0x7A1200, 0x2160EC0, 0x3938700, 0 },
- { 0x7D, 0x7D, 0x4E4, 0xB00, 0 },
- 0x5,
- 0xAFC8,
- 0x64,
- 0x32,
- 1,
- 0,
- 0x10,
- { 0x78, 0x7C, 0x82, 0x88, 0x8E, 0x94, 0x9A, 0xA0, 0xA6, 0xAC, 0xB0, 0xB4, 0xB8, 0xBC, 0xC0, 0xC4 },
- { 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700 },
- { 0x2AF8, 0x2AF8, 0x29BB, 0x27F9, 0x2637, 0x2475, 0x22B3, 0x20F1, 0x1F2F, 0x1D6D, 0x1734, 0x1414, 0x10F4, 0xDD4, 0xAB4, 0x794 },
- 85,
- true
-};
-#endif
-
static const struct si_dte_data dte_data_tahiti_pro =
{
{ 0x1E8480, 0x3D0900, 0x989680, 0x2625A00, 0x0 },
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index d42a8d8a0dea..c7c9e07962b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -564,7 +564,8 @@ soc15_asic_reset_method(struct amdgpu_device *adev)
static int soc15_asic_reset(struct amdgpu_device *adev)
{
/* original raven doesn't have full asic reset */
- if (adev->pdev->device == 0x15dd && adev->rev_id < 0x8)
+ if ((adev->apu_flags & AMD_APU_IS_RAVEN) &&
+ !(adev->apu_flags & AMD_APU_IS_RAVEN2))
return 0;
switch (soc15_asic_reset_method(adev)) {
@@ -708,7 +709,6 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
adev->df.funcs = &df_v1_7_funcs;
adev->rev_id = soc15_get_rev_id(adev);
- adev->nbio.funcs->detect_hw_virt(adev);
if (amdgpu_sriov_vf(adev))
adev->virt.ops = &xgpu_ai_virt_ops;
@@ -1130,16 +1130,23 @@ static int soc15_common_early_init(void *handle)
break;
case CHIP_RAVEN:
adev->asic_funcs = &soc15_asic_funcs;
+ if (adev->pdev->device == 0x15dd)
+ adev->apu_flags |= AMD_APU_IS_RAVEN;
+ if (adev->pdev->device == 0x15d8)
+ adev->apu_flags |= AMD_APU_IS_PICASSO;
if (adev->rev_id >= 0x8)
+ adev->apu_flags |= AMD_APU_IS_RAVEN2;
+
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
adev->external_rev_id = adev->rev_id + 0x79;
- else if (adev->pdev->device == 0x15d8)
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
adev->external_rev_id = adev->rev_id + 0x41;
else if (adev->rev_id == 1)
adev->external_rev_id = adev->rev_id + 0x20;
else
adev->external_rev_id = adev->rev_id + 0x01;
- if (adev->rev_id >= 0x8) {
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_GFX_MGLS |
AMD_CG_SUPPORT_GFX_CP_LS |
@@ -1157,7 +1164,7 @@ static int soc15_common_early_init(void *handle)
AMD_CG_SUPPORT_VCN_MGCG;
adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
- } else if (adev->pdev->device == 0x15d8) {
+ } else if (adev->apu_flags & AMD_APU_IS_PICASSO) {
adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_GFX_MGLS |
AMD_CG_SUPPORT_GFX_CP_LS |
@@ -1218,11 +1225,12 @@ static int soc15_common_early_init(void *handle)
AMD_CG_SUPPORT_IH_CG |
AMD_CG_SUPPORT_VCN_MGCG |
AMD_CG_SUPPORT_JPEG_MGCG;
- adev->pg_flags = 0;
+ adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
adev->external_rev_id = adev->rev_id + 0x32;
break;
case CHIP_RENOIR:
adev->asic_funcs = &soc15_asic_funcs;
+ adev->apu_flags |= AMD_APU_IS_RENOIR;
adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
AMD_CG_SUPPORT_GFX_MGLS |
AMD_CG_SUPPORT_GFX_3D_CGCG |
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15_common.h b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
index c893c645a4b2..56d02aa690a7 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15_common.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15_common.h
@@ -35,6 +35,9 @@
#define RREG32_SOC15(ip, inst, reg) \
RREG32(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
+#define RREG32_SOC15_NO_KIQ(ip, inst, reg) \
+ RREG32_NO_KIQ(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg)
+
#define RREG32_SOC15_OFFSET(ip, inst, reg, offset) \
RREG32((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg) + offset)
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15d.h b/drivers/gpu/drm/amd/amdgpu/soc15d.h
index edfe50821cd9..799925d22fc8 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15d.h
+++ b/drivers/gpu/drm/amd/amdgpu/soc15d.h
@@ -253,7 +253,30 @@
# define PACKET3_DMA_DATA_CMD_SAIC (1 << 28)
# define PACKET3_DMA_DATA_CMD_DAIC (1 << 29)
# define PACKET3_DMA_DATA_CMD_RAW_WAIT (1 << 30)
-#define PACKET3_AQUIRE_MEM 0x58
+#define PACKET3_ACQUIRE_MEM 0x58
+/* 1. HEADER
+ * 2. COHER_CNTL [30:0]
+ * 2.1 ENGINE_SEL [31:31]
+ * 3. COHER_SIZE [31:0]
+ * 4. COHER_SIZE_HI [7:0]
+ * 5. COHER_BASE_LO [31:0]
+ * 6. COHER_BASE_HI [23:0]
+ * 7. POLL_INTERVAL [15:0]
+ */
+/* COHER_CNTL fields for CP_COHER_CNTL */
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_NC_ACTION_ENA(x) ((x) << 3)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_WC_ACTION_ENA(x) ((x) << 4)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_INV_METADATA_ACTION_ENA(x) ((x) << 5)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TCL1_VOL_ACTION_ENA(x) ((x) << 15)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_WB_ACTION_ENA(x) ((x) << 18)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TCL1_ACTION_ENA(x) ((x) << 22)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_TC_ACTION_ENA(x) ((x) << 23)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_CB_ACTION_ENA(x) ((x) << 25)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_DB_ACTION_ENA(x) ((x) << 26)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_KCACHE_ACTION_ENA(x) ((x) << 27)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_KCACHE_VOL_ACTION_ENA(x) ((x) << 28)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_ICACHE_ACTION_ENA(x) ((x) << 29)
+#define PACKET3_ACQUIRE_MEM_CP_COHER_CNTL_SH_KCACHE_WB_ACTION_ENA(x) ((x) << 30)
#define PACKET3_REWIND 0x59
#define PACKET3_LOAD_UCONFIG_REG 0x5E
#define PACKET3_LOAD_SH_REG 0x5F
@@ -286,6 +309,7 @@
#define PACKET3_WAIT_ON_DE_COUNTER_DIFF 0x88
#define PACKET3_SWITCH_BUFFER 0x8B
#define PACKET3_FRAME_CONTROL 0x90
+# define FRAME_TMZ (1 << 0)
# define FRAME_CMD(x) ((x) << 28)
/*
* x=0: tmz_begin
diff --git a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h
index ca7d05993ca2..745ed0fba1ed 100644
--- a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h
+++ b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h
@@ -24,6 +24,8 @@
#ifndef _TA_RAS_IF_H
#define _TA_RAS_IF_H
+#define RAS_TA_HOST_IF_VER 0
+
/* Responses have bit 31 set */
#define RSP_ID_MASK (1U << 31)
#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
@@ -36,18 +38,24 @@ enum ras_command {
TA_RAS_COMMAND__TRIGGER_ERROR,
};
-enum ta_ras_status {
- TA_RAS_STATUS__SUCCESS = 0x00,
- TA_RAS_STATUS__RESET_NEEDED = 0x01,
- TA_RAS_STATUS__ERROR_INVALID_PARAMETER = 0x02,
- TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE = 0x03,
- TA_RAS_STATUS__ERROR_RAS_DUPLICATE_CMD = 0x04,
- TA_RAS_STATUS__ERROR_INJECTION_FAILED = 0x05,
- TA_RAS_STATUS__ERROR_ASD_READ_WRITE = 0x06,
- TA_RAS_STATUS__ERROR_TOGGLE_DF_CSTATE = 0x07,
- TA_RAS_STATUS__ERROR_TIMEOUT = 0x08,
- TA_RAS_STATUS__ERROR_BLOCK_DISABLED = 0x09,
- TA_RAS_STATUS__ERROR_GENERIC = 0x10,
+enum ta_ras_status
+{
+ TA_RAS_STATUS__SUCCESS = 0x00,
+ TA_RAS_STATUS__RESET_NEEDED = 0xA001,
+ TA_RAS_STATUS__ERROR_INVALID_PARAMETER = 0xA002,
+ TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE = 0xA003,
+ TA_RAS_STATUS__ERROR_RAS_DUPLICATE_CMD = 0xA004,
+ TA_RAS_STATUS__ERROR_INJECTION_FAILED = 0xA005,
+ TA_RAS_STATUS__ERROR_ASD_READ_WRITE = 0xA006,
+ TA_RAS_STATUS__ERROR_TOGGLE_DF_CSTATE = 0xA007,
+ TA_RAS_STATUS__ERROR_TIMEOUT = 0xA008,
+ TA_RAS_STATUS__ERROR_BLOCK_DISABLED = 0XA009,
+ TA_RAS_STATUS__ERROR_GENERIC = 0xA00A,
+ TA_RAS_STATUS__ERROR_RAS_MMHUB_INIT = 0xA00B,
+ TA_RAS_STATUS__ERROR_GET_DEV_INFO = 0xA00C,
+ TA_RAS_STATUS__ERROR_UNSUPPORTED_DEV = 0xA00D,
+ TA_RAS_STATUS__ERROR_NOT_INITIALIZED = 0xA00E,
+ TA_RAS_STATUS__ERROR_TEE_INTERNAL = 0xA00F
};
enum ta_ras_block {
@@ -97,22 +105,39 @@ struct ta_ras_trigger_error_input {
uint64_t value; // method if error injection. i.e persistent, coherent etc.
};
+struct ta_ras_output_flags
+{
+ uint8_t ras_init_success_flag;
+ uint8_t err_inject_switch_disable_flag;
+ uint8_t reg_access_failure_flag;
+};
+
/* Common input structure for RAS callbacks */
/**********************************************************/
union ta_ras_cmd_input {
struct ta_ras_enable_features_input enable_features;
struct ta_ras_disable_features_input disable_features;
struct ta_ras_trigger_error_input trigger_error;
+
+ uint32_t reserve_pad[256];
+};
+
+union ta_ras_cmd_output
+{
+ struct ta_ras_output_flags flags;
+
+ uint32_t reserve_pad[256];
};
/* Shared Memory structures */
/**********************************************************/
struct ta_ras_shared_memory {
- uint32_t cmd_id;
- uint32_t resp_id;
- enum ta_ras_status ras_status;
- uint32_t reserved;
- union ta_ras_cmd_input ras_in_message;
+ uint32_t cmd_id;
+ uint32_t resp_id;
+ uint32_t ras_status;
+ uint32_t if_version;
+ union ta_ras_cmd_input ras_in_message;
+ union ta_ras_cmd_output ras_out_message;
};
#endif // TL_RAS_IF_H_
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c
index 14d346321a5f..418cf097c918 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c
@@ -56,24 +56,43 @@ const uint32_t
static void umc_v6_1_enable_umc_index_mode(struct amdgpu_device *adev)
{
- WREG32_FIELD15(RSMU, 0, RSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU,
+ uint32_t rsmu_umc_addr, rsmu_umc_val;
+
+ rsmu_umc_addr = SOC15_REG_OFFSET(RSMU, 0,
+ mmRSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU);
+ rsmu_umc_val = RREG32_PCIE(rsmu_umc_addr * 4);
+
+ rsmu_umc_val = REG_SET_FIELD(rsmu_umc_val,
+ RSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU,
RSMU_UMC_INDEX_MODE_EN, 1);
+
+ WREG32_PCIE(rsmu_umc_addr * 4, rsmu_umc_val);
}
static void umc_v6_1_disable_umc_index_mode(struct amdgpu_device *adev)
{
- WREG32_FIELD15(RSMU, 0, RSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU,
+ uint32_t rsmu_umc_addr, rsmu_umc_val;
+
+ rsmu_umc_addr = SOC15_REG_OFFSET(RSMU, 0,
+ mmRSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU);
+ rsmu_umc_val = RREG32_PCIE(rsmu_umc_addr * 4);
+
+ rsmu_umc_val = REG_SET_FIELD(rsmu_umc_val,
+ RSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU,
RSMU_UMC_INDEX_MODE_EN, 0);
+
+ WREG32_PCIE(rsmu_umc_addr * 4, rsmu_umc_val);
}
static uint32_t umc_v6_1_get_umc_index_mode_state(struct amdgpu_device *adev)
{
- uint32_t rsmu_umc_index;
+ uint32_t rsmu_umc_addr, rsmu_umc_val;
- rsmu_umc_index = RREG32_SOC15(RSMU, 0,
+ rsmu_umc_addr = SOC15_REG_OFFSET(RSMU, 0,
mmRSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU);
+ rsmu_umc_val = RREG32_PCIE(rsmu_umc_addr * 4);
- return REG_GET_FIELD(rsmu_umc_index,
+ return REG_GET_FIELD(rsmu_umc_val,
RSMU_UMC_INDEX_REGISTER_NBIF_VG20_GPU,
RSMU_UMC_INDEX_MODE_EN);
}
@@ -85,6 +104,81 @@ static inline uint32_t get_umc_6_reg_offset(struct amdgpu_device *adev,
return adev->umc.channel_offs*ch_inst + UMC_6_INST_DIST*umc_inst;
}
+static void umc_v6_1_clear_error_count_per_channel(struct amdgpu_device *adev,
+ uint32_t umc_reg_offset)
+{
+ uint32_t ecc_err_cnt_addr;
+ uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
+
+ if (adev->asic_type == CHIP_ARCTURUS) {
+ /* UMC 6_1_2 registers */
+ ecc_err_cnt_sel_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ mmUMCCH0_0_EccErrCntSel_ARCT);
+ ecc_err_cnt_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ mmUMCCH0_0_EccErrCnt_ARCT);
+ } else {
+ /* UMC 6_1_1 registers */
+ ecc_err_cnt_sel_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ mmUMCCH0_0_EccErrCntSel);
+ ecc_err_cnt_addr =
+ SOC15_REG_OFFSET(UMC, 0,
+ mmUMCCH0_0_EccErrCnt);
+ }
+
+ /* select the lower chip */
+ ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
+ umc_reg_offset) * 4);
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
+ UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 0);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
+ ecc_err_cnt_sel);
+
+ /* clear lower chip error count */
+ WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
+ UMC_V6_1_CE_CNT_INIT);
+
+ /* select the higher chip */
+ ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
+ umc_reg_offset) * 4);
+ ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
+ UMCCH0_0_EccErrCntSel,
+ EccErrCntCsSel, 1);
+ WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
+ ecc_err_cnt_sel);
+
+ /* clear higher chip error count */
+ WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
+ UMC_V6_1_CE_CNT_INIT);
+}
+
+static void umc_v6_1_clear_error_count(struct amdgpu_device *adev)
+{
+ uint32_t umc_inst = 0;
+ uint32_t ch_inst = 0;
+ uint32_t umc_reg_offset = 0;
+ uint32_t rsmu_umc_index_state =
+ umc_v6_1_get_umc_index_mode_state(adev);
+
+ if (rsmu_umc_index_state)
+ umc_v6_1_disable_umc_index_mode(adev);
+
+ LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
+ umc_reg_offset = get_umc_6_reg_offset(adev,
+ umc_inst,
+ ch_inst);
+
+ umc_v6_1_clear_error_count_per_channel(adev,
+ umc_reg_offset);
+ }
+
+ if (rsmu_umc_index_state)
+ umc_v6_1_enable_umc_index_mode(adev);
+}
+
static void umc_v6_1_query_correctable_error_count(struct amdgpu_device *adev,
uint32_t umc_reg_offset,
unsigned long *error_count)
@@ -117,23 +211,21 @@ static void umc_v6_1_query_correctable_error_count(struct amdgpu_device *adev,
ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
EccErrCntCsSel, 0);
WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
+
ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
*error_count +=
(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
UMC_V6_1_CE_CNT_INIT);
- /* clear the lower chip err count */
- WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V6_1_CE_CNT_INIT);
/* select the higher chip and check the err counter */
ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel,
EccErrCntCsSel, 1);
WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
+
ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
*error_count +=
(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_EccErrCnt, EccErrCnt) -
UMC_V6_1_CE_CNT_INIT);
- /* clear the higher chip err count */
- WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V6_1_CE_CNT_INIT);
/* check for SRAM correctable error
MCUMC_STATUS is a 64 bit register */
@@ -209,6 +301,8 @@ static void umc_v6_1_query_ras_error_count(struct amdgpu_device *adev,
if (rsmu_umc_index_state)
umc_v6_1_enable_umc_index_mode(adev);
+
+ umc_v6_1_clear_error_count(adev);
}
static void umc_v6_1_query_error_address(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 82abd8e728ab..3cafba726587 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -118,7 +118,8 @@ static int uvd_v4_2_sw_init(void *handle)
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -210,13 +211,10 @@ done:
static int uvd_v4_2_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->uvd.inst->ring;
if (RREG32(mmUVD_STATUS) != 0)
uvd_v4_2_stop(adev);
- ring->sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index 0fa8aae2d78e..a566ff926e90 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -116,7 +116,8 @@ static int uvd_v5_0_sw_init(void *handle)
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -208,13 +209,10 @@ done:
static int uvd_v5_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->uvd.inst->ring;
if (RREG32(mmUVD_STATUS) != 0)
uvd_v5_0_stop(adev);
- ring->sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index e0aadcaf6c8b..0a880bc101b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -216,7 +216,8 @@ static int uvd_v6_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -279,7 +280,8 @@ static int uvd_v6_0_enc_get_destroy_msg(struct amdgpu_ring *ring,
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -416,7 +418,8 @@ static int uvd_v6_0_sw_init(void *handle)
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -428,7 +431,9 @@ static int uvd_v6_0_sw_init(void *handle)
for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
ring = &adev->uvd.inst->ring_enc[i];
sprintf(ring->name, "uvd_enc%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512,
+ &adev->uvd.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -535,13 +540,10 @@ done:
static int uvd_v6_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->uvd.inst->ring;
if (RREG32(mmUVD_STATUS) != 0)
uvd_v6_0_stop(adev);
- ring->sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index 0995378d8263..7a55457e6f9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -224,7 +224,8 @@ static int uvd_v7_0_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -286,7 +287,8 @@ static int uvd_v7_0_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handl
uint64_t addr;
int i, r;
- r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
+ r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+ AMDGPU_IB_POOL_DIRECT, &job);
if (r)
return r;
@@ -450,7 +452,9 @@ static int uvd_v7_0_sw_init(void *handle)
if (!amdgpu_sriov_vf(adev)) {
ring = &adev->uvd.inst[j].ring;
sprintf(ring->name, "uvd_%d", ring->me);
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst[j].irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512,
+ &adev->uvd.inst[j].irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -469,7 +473,9 @@ static int uvd_v7_0_sw_init(void *handle)
else
ring->doorbell_index = adev->doorbell_index.uvd_vce.uvd_ring2_3 * 2 + 1;
}
- r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst[j].irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512,
+ &adev->uvd.inst[j].irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -598,7 +604,6 @@ done:
static int uvd_v7_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- int i;
if (!amdgpu_sriov_vf(adev))
uvd_v7_0_stop(adev);
@@ -607,12 +612,6 @@ static int uvd_v7_0_hw_fini(void *handle)
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
}
- for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
- if (adev->uvd.harvest_config & (1 << i))
- continue;
- adev->uvd.inst[i].ring.sched.ready = false;
- }
-
return 0;
}
@@ -1694,7 +1693,7 @@ static int uvd_v7_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
+ bool enable = (state == AMD_CG_STATE_GATE);
uvd_v7_0_set_bypass_mode(adev, enable);
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
index b6837fcfdba7..0e2945baf0f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -434,7 +434,8 @@ static int vce_v2_0_sw_init(void *handle)
ring = &adev->vce.ring[i];
sprintf(ring->name, "vce%d", i);
r = amdgpu_ring_init(adev, ring, 512,
- &adev->vce.irq, 0);
+ &adev->vce.irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
index 217db187207c..6d9108fa22e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -442,7 +442,8 @@ static int vce_v3_0_sw_init(void *handle)
for (i = 0; i < adev->vce.num_rings; i++) {
ring = &adev->vce.ring[i];
sprintf(ring->name, "vce%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index 3fd102efb7af..a0fb119240f4 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -476,7 +476,8 @@ static int vce_v4_0_sw_init(void *handle)
else
ring->doorbell_index = adev->doorbell_index.uvd_vce.vce_ring2_3 * 2 + 1;
}
- r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -539,7 +540,6 @@ static int vce_v4_0_hw_init(void *handle)
static int vce_v4_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- int i;
if (!amdgpu_sriov_vf(adev)) {
/* vce_v4_0_wait_for_idle(handle); */
@@ -549,9 +549,6 @@ static int vce_v4_0_hw_fini(void *handle)
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
}
- for (i = 0; i < adev->vce.num_rings; i++)
- adev->vce.ring[i].sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 09b0572b838d..1ad79155ed00 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -127,7 +127,8 @@ static int vcn_v1_0_sw_init(void *handle)
ring = &adev->vcn.inst->ring_dec;
sprintf(ring->name, "vcn_dec");
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -145,7 +146,8 @@ static int vcn_v1_0_sw_init(void *handle)
for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
ring = &adev->vcn.inst->ring_enc[i];
sprintf(ring->name, "vcn_enc%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -227,14 +229,11 @@ done:
static int vcn_v1_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
RREG32_SOC15(VCN, 0, mmUVD_STATUS))
vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
- ring->sched.ready = false;
-
return 0;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index ec8091a661df..90ed773695ea 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -92,6 +92,7 @@ static int vcn_v2_0_sw_init(void *handle)
struct amdgpu_ring *ring;
int i, r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ volatile struct amdgpu_fw_shared *fw_shared;
/* VCN DEC TRAP */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
@@ -133,7 +134,8 @@ static int vcn_v2_0_sw_init(void *handle)
ring->doorbell_index = adev->doorbell_index.vcn.vcn_ring0_1 << 1;
sprintf(ring->name, "vcn_dec");
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -163,7 +165,8 @@ static int vcn_v2_0_sw_init(void *handle)
else
ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + i;
sprintf(ring->name, "vcn_enc%d", i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
@@ -174,6 +177,8 @@ static int vcn_v2_0_sw_init(void *handle)
if (r)
return r;
+ fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
+ fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
return 0;
}
@@ -188,6 +193,9 @@ static int vcn_v2_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
+
+ fw_shared->present_flag_0 = 0;
amdgpu_virt_free_mm_table(adev);
@@ -223,6 +231,10 @@ static int vcn_v2_0_hw_init(void *handle)
if (r)
goto done;
+ //Disable vcn decode for sriov
+ if (amdgpu_sriov_vf(adev))
+ ring->sched.ready = false;
+
for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
ring = &adev->vcn.inst->ring_enc[i];
r = amdgpu_ring_test_helper(ring);
@@ -248,21 +260,12 @@ done:
static int vcn_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
- int i;
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, 0, mmUVD_STATUS)))
vcn_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
- ring->sched.ready = false;
-
- for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
- ring = &adev->vcn.inst->ring_enc[i];
- ring->sched.ready = false;
- }
-
return 0;
}
@@ -359,6 +362,15 @@ static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0);
WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
+ /* non-cache window */
+ WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
+ lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
+ WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
+ upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr));
+ WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
+ WREG32_SOC15(UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0,
+ AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
+
WREG32_SOC15(UVD, 0, mmUVD_GFX10_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
}
@@ -442,13 +454,16 @@ static void vcn_v2_0_mc_resume_dpg_mode(struct amdgpu_device *adev, bool indirec
/* non-cache window */
WREG32_SOC15_DPG_MODE_2_0(0, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect);
+ UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(0, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect);
+ UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.inst->fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(0, SOC15_DPG_MODE_OFFSET_2_0(
UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(0, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect);
+ UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0),
+ AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
/* VCN global tiling registers */
WREG32_SOC15_DPG_MODE_2_0(0, SOC15_DPG_MODE_OFFSET_2_0(
@@ -773,6 +788,7 @@ static void vcn_v2_0_enable_static_power_gating(struct amdgpu_device *adev)
static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
{
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
uint32_t rb_bufsz, tmp;
@@ -872,6 +888,12 @@ static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
+ /* Stall DPG before WPTR/RPTR reset */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
+ UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+ ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+ fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
+
/* set the write pointer delay */
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0);
@@ -894,11 +916,16 @@ static int vcn_v2_0_start_dpg_mode(struct amdgpu_device *adev, bool indirect)
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+ /* Unstall DPG */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
+ 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
return 0;
}
static int vcn_v2_0_start(struct amdgpu_device *adev)
{
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
uint32_t rb_bufsz, tmp;
uint32_t lmi_swap_cntl;
@@ -1033,6 +1060,7 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp);
+ fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
/* programm the RB_BASE for ring buffer */
WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
@@ -1045,20 +1073,25 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR);
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst->ring_enc[0];
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+ fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst->ring_enc[1];
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
+ fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
return 0;
}
@@ -1180,6 +1213,7 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
if (!ret_code) {
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst->fw_shared_cpu_addr;
/* pause DPG */
reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
WREG32_SOC15(UVD, 0, mmUVD_DPG_PAUSE, reg_data);
@@ -1189,23 +1223,38 @@ static int vcn_v2_0_pause_dpg_mode(struct amdgpu_device *adev,
UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+ /* Stall DPG before WPTR/RPTR reset */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
+ UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+ ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
/* Restore */
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst->ring_enc[0];
+ ring->wptr = 0;
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4);
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+ fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst->ring_enc[1];
+ ring->wptr = 0;
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr);
WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4);
WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
+ fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR,
RREG32_SOC15(UVD, 0, mmUVD_SCRATCH2) & 0x7FFFFFFF);
+ fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+ /* Unstall DPG */
+ WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_POWER_STATUS),
+ 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
SOC15_WAIT_ON_RREG(UVD, 0, mmUVD_POWER_STATUS,
UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON,
@@ -1796,7 +1845,6 @@ static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
uint32_t table_size = 0;
struct mmsch_v2_0_cmd_direct_write direct_wt = { {0} };
struct mmsch_v2_0_cmd_direct_read_modify_write direct_rd_mod_wt = { {0} };
- struct mmsch_v2_0_cmd_direct_polling direct_poll = { {0} };
struct mmsch_v2_0_cmd_end end = { {0} };
struct mmsch_v2_0_init_header *header;
uint32_t *init_table = adev->virt.mm_table.cpu_addr;
@@ -1806,8 +1854,6 @@ static int vcn_v2_0_start_sriov(struct amdgpu_device *adev)
direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
direct_rd_mod_wt.cmd_header.command_type =
MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
- direct_poll.cmd_header.command_type =
- MMSCH_COMMAND__DIRECT_REG_POLLING;
end.cmd_header.command_type = MMSCH_COMMAND__END;
if (header->vcn_table_offset == 0 && header->vcn_table_size == 0) {
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
index c6363f5ad564..3c6eafb62ee6 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -86,7 +86,7 @@ static int vcn_v2_5_early_init(void *handle)
adev->vcn.num_vcn_inst = VCN25_MAX_HW_INSTANCES_ARCTURUS;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
- harvest = RREG32_SOC15(UVD, i, mmCC_UVD_HARVESTING);
+ harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
adev->vcn.harvest_config |= 1 << i;
}
@@ -165,6 +165,8 @@ static int vcn_v2_5_sw_init(void *handle)
return r;
for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
+ volatile struct amdgpu_fw_shared *fw_shared;
+
if (adev->vcn.harvest_config & (1 << j))
continue;
adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
@@ -175,15 +177,15 @@ static int vcn_v2_5_sw_init(void *handle)
adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
- adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(UVD, j, mmUVD_SCRATCH9);
+ adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
- adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_DATA0);
+ adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
- adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_DATA1);
+ adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
- adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(UVD, j, mmUVD_GPCOM_VCPU_CMD);
+ adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
- adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(UVD, j, mmUVD_NO_OP);
+ adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
ring = &adev->vcn.inst[j].ring_dec;
ring->use_doorbell = true;
@@ -191,7 +193,8 @@ static int vcn_v2_5_sw_init(void *handle)
ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
sprintf(ring->name, "vcn_dec_%d", j);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
+ 0, AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
@@ -203,10 +206,15 @@ static int vcn_v2_5_sw_init(void *handle)
(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
sprintf(ring->name, "vcn_enc_%d.%d", j, i);
- r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq, 0);
+ r = amdgpu_ring_init(adev, ring, 512,
+ &adev->vcn.inst[j].irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT);
if (r)
return r;
}
+
+ fw_shared = adev->vcn.inst[j].fw_shared_cpu_addr;
+ fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
}
if (amdgpu_sriov_vf(adev)) {
@@ -230,8 +238,16 @@ static int vcn_v2_5_sw_init(void *handle)
*/
static int vcn_v2_5_sw_fini(void *handle)
{
- int r;
+ int i, r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ volatile struct amdgpu_fw_shared *fw_shared;
+
+ for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+ if (adev->vcn.harvest_config & (1 << i))
+ continue;
+ fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
+ fw_shared->present_flag_0 = 0;
+ }
if (amdgpu_sriov_vf(adev))
amdgpu_virt_free_mm_table(adev);
@@ -308,25 +324,16 @@ done:
static int vcn_v2_5_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring;
- int i, j;
+ int i;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
- ring = &adev->vcn.inst[i].ring_dec;
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, i, mmUVD_STATUS)))
vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);
-
- ring->sched.ready = false;
-
- for (j = 0; j < adev->vcn.num_enc_rings; ++j) {
- ring = &adev->vcn.inst[i].ring_enc[j];
- ring->sched.ready = false;
- }
}
return 0;
@@ -392,38 +399,47 @@ static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
continue;
/* cache window 0: fw */
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
offset = 0;
} else {
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.inst[i].gpu_addr));
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.inst[i].gpu_addr));
offset = size;
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET0,
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
}
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE0, size);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
/* cache window 1: stack */
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
/* cache window 2: context */
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
- WREG32_SOC15(UVD, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
- WREG32_SOC15(UVD, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
+
+ /* non-cache window */
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
+ lower_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
+ WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
+ upper_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
+ WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
+ AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
}
}
@@ -436,88 +452,91 @@ static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
if (!indirect) {
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
} else {
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
}
offset = 0;
} else {
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
offset = size;
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET0),
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
}
if (!indirect)
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
else
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
/* cache window 1: stack */
if (!indirect) {
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
} else {
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
}
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
/* cache window 2: context */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
+ VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
/* non-cache window */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
+ lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
+ upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_NONCACHE_SIZE0), 0, 0, indirect);
+ VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
+ AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
/* VCN global tiling registers */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
+ VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
}
/**
@@ -671,19 +690,19 @@ static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev,
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__MMSCH_MODE_MASK);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
+ VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
/* turn off clock gating */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
+ VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
/* turn on SUVD clock gating */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
+ VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
/* turn on sw mode in UVD_SUVD_CGC_CTRL */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
+ VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
}
/**
@@ -750,17 +769,18 @@ static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
{
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
struct amdgpu_ring *ring;
uint32_t rb_bufsz, tmp;
/* disable register anti-hang mechanism */
- WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 1,
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
/* enable dynamic power gating mode */
- tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS);
+ tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
- WREG32_SOC15(UVD, inst_idx, mmUVD_POWER_STATUS, tmp);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
if (indirect)
adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
@@ -773,11 +793,11 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
/* disable master interupt */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
+ VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
/* setup mmUVD_LMI_CTRL */
tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
@@ -789,28 +809,28 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
0x00100000L);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
+ VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MPC_CNTL),
+ VCN, 0, mmUVD_MPC_CNTL),
0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MPC_SET_MUXA0),
+ VCN, 0, mmUVD_MPC_SET_MUXA0),
((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MPC_SET_MUXB0),
+ VCN, 0, mmUVD_MPC_SET_MUXB0),
((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MPC_SET_MUX),
+ VCN, 0, mmUVD_MPC_SET_MUX),
((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
@@ -818,26 +838,26 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
+ VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
+ VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
/* enable LMI MC and UMC channels */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
+ VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
/* unblock VCPU register access */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
+ VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
+ VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
/* enable master interrupt */
WREG32_SOC15_DPG_MODE_2_0(inst_idx, SOC15_DPG_MODE_OFFSET_2_0(
- UVD, 0, mmUVD_MASTINT_EN),
+ VCN, 0, mmUVD_MASTINT_EN),
UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
if (indirect)
@@ -853,30 +873,41 @@ static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, boo
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
+
+ /* Stall DPG before WPTR/RPTR reset */
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+ UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+ ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+ fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
/* set the write pointer delay */
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
/* set the wb address */
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
(upper_32_bits(ring->gpu_addr) >> 2));
/* programm the RB_BASE for ring buffer */
- WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
/* Initialize the ring buffer's read and write pointers */
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR, 0);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
- WREG32_SOC15(UVD, inst_idx, mmUVD_SCRATCH2, 0);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
- ring->wptr = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_RPTR);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR,
+ ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+ /* Unstall DPG */
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+ 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
return 0;
}
@@ -898,12 +929,12 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
}
/* disable register anti-hang mechanism */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
/* set uvd status busy */
- tmp = RREG32_SOC15(UVD, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
- WREG32_SOC15(UVD, i, mmUVD_STATUS, tmp);
+ tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+ WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
}
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
@@ -916,44 +947,44 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
if (adev->vcn.harvest_config & (1 << i))
continue;
/* enable VCPU clock */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
/* disable master interrupt */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
~UVD_MASTINT_EN__VCPU_EN_MASK);
/* setup mmUVD_LMI_CTRL */
- tmp = RREG32_SOC15(UVD, i, mmUVD_LMI_CTRL);
+ tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
tmp &= ~0xff;
- WREG32_SOC15(UVD, i, mmUVD_LMI_CTRL, tmp | 0x8|
+ WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
/* setup mmUVD_MPC_CNTL */
- tmp = RREG32_SOC15(UVD, i, mmUVD_MPC_CNTL);
+ tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
/* setup UVD_MPC_SET_MUXA0 */
- WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUXA0,
+ WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
/* setup UVD_MPC_SET_MUXB0 */
- WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUXB0,
+ WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
/* setup mmUVD_MPC_SET_MUX */
- WREG32_SOC15(UVD, i, mmUVD_MPC_SET_MUX,
+ WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
@@ -962,30 +993,31 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
vcn_v2_5_mc_resume(adev);
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
if (adev->vcn.harvest_config & (1 << i))
continue;
/* VCN global tiling registers */
- WREG32_SOC15(UVD, i, mmUVD_GFX8_ADDR_CONFIG,
+ WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
- WREG32_SOC15(UVD, i, mmUVD_GFX8_ADDR_CONFIG,
+ WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
adev->gfx.config.gb_addr_config);
/* enable LMI MC and UMC channels */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_LMI_CTRL2), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
/* unblock VCPU register access */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_ARB_CTRL), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
~UVD_VCPU_CNTL__BLK_RST_MASK);
for (k = 0; k < 10; ++k) {
uint32_t status;
for (j = 0; j < 100; ++j) {
- status = RREG32_SOC15(UVD, i, mmUVD_STATUS);
+ status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
if (status & 2)
break;
if (amdgpu_emu_mode == 1)
@@ -998,11 +1030,11 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
break;
DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__BLK_RST_MASK,
~UVD_VCPU_CNTL__BLK_RST_MASK);
mdelay(10);
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
~UVD_VCPU_CNTL__BLK_RST_MASK);
mdelay(10);
@@ -1015,15 +1047,15 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
}
/* enable master interrupt */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_MASTINT_EN),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
UVD_MASTINT_EN__VCPU_EN_MASK,
~UVD_MASTINT_EN__VCPU_EN_MASK);
/* clear the busy bit of VCN_STATUS */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
- WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_VMID, 0);
+ WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
ring = &adev->vcn.inst[i].ring_dec;
/* force RBC into idle state */
@@ -1033,33 +1065,40 @@ static int vcn_v2_5_start(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
- WREG32_SOC15(UVD, i, mmUVD_RBC_RB_CNTL, tmp);
+ WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
+ fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
/* programm the RB_BASE for ring buffer */
- WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
+ WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
/* Initialize the ring buffer's read and write pointers */
- WREG32_SOC15(UVD, i, mmUVD_RBC_RB_RPTR, 0);
+ WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
- ring->wptr = RREG32_SOC15(UVD, i, mmUVD_RBC_RB_RPTR);
- WREG32_SOC15(UVD, i, mmUVD_RBC_RB_WPTR,
+ ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
+ WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
lower_32_bits(ring->wptr));
- ring = &adev->vcn.inst[i].ring_enc[0];
- WREG32_SOC15(UVD, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
- WREG32_SOC15(UVD, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, i, mmUVD_RB_SIZE, ring->ring_size / 4);
+ fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
+ ring = &adev->vcn.inst[i].ring_enc[0];
+ WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
+ WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+ fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst[i].ring_enc[1];
- WREG32_SOC15(UVD, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
- WREG32_SOC15(UVD, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
+ WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
+ WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
+ fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
}
return 0;
@@ -1079,33 +1118,33 @@ static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
* 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
* memory descriptor location
*/
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
/* 2, update vmid of descriptor */
- data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID);
+ data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
/* use domain0 for MM scheduler */
data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_VMID, data);
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
/* 3, notify mmsch about the size of this descriptor */
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_CTX_SIZE, size);
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
/* 4, set resp to zero */
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
/*
* 5, kick off the initialization and wait until
* VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
*/
- WREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
+ WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
- data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
+ data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
loop = 10;
while ((data & 0x10000002) != 0x10000002) {
udelay(100);
- data = RREG32_SOC15(UVD, 0, mmMMSCH_VF_MAILBOX_RESP);
+ data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
loop--;
if (!loop)
break;
@@ -1128,14 +1167,12 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
uint32_t table_size = 0;
struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
- struct mmsch_v1_0_cmd_direct_polling direct_poll = { { 0 } };
struct mmsch_v1_0_cmd_end end = { { 0 } };
uint32_t *init_table = adev->virt.mm_table.cpu_addr;
struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
- direct_poll.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_POLLING;
end.cmd_header.command_type = MMSCH_COMMAND__END;
header->version = MMSCH_VERSION;
@@ -1150,93 +1187,93 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
table_size = 0;
MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_STATUS),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
/* mc resume*/
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
offset = 0;
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
} else {
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[i].gpu_addr));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[i].gpu_addr));
offset = size;
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET0),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
}
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE0),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
size);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET1),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
0);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE1),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
AMDGPU_VCN_STACK_SIZE);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
AMDGPU_VCN_STACK_SIZE));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
AMDGPU_VCN_STACK_SIZE));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_OFFSET2),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
0);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CACHE_SIZE2),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
AMDGPU_VCN_CONTEXT_SIZE);
ring = &adev->vcn.inst[i].ring_enc[0];
ring->wptr = 0;
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_LO),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
lower_32_bits(ring->gpu_addr));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_RB_BASE_HI),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
upper_32_bits(ring->gpu_addr));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_RB_SIZE),
+ SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
ring->ring_size / 4);
ring = &adev->vcn.inst[i].ring_dec;
ring->wptr = 0;
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
lower_32_bits(ring->gpu_addr));
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i,
+ SOC15_REG_OFFSET(VCN, i,
mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
upper_32_bits(ring->gpu_addr));
@@ -1248,7 +1285,7 @@ static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
MMSCH_V1_0_INSERT_DIRECT_WT(
- SOC15_REG_OFFSET(UVD, i, mmUVD_RBC_RB_CNTL), tmp);
+ SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
/* add end packet */
memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
@@ -1269,24 +1306,24 @@ static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
uint32_t tmp;
/* Wait for power status to be 1 */
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1,
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
/* wait for read ptr to be equal to write ptr */
- tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR);
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+ tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
- tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR2);
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
+ tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF, ret_code);
- tmp = RREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
+ tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF, ret_code);
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 1,
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
/* disable dynamic power gating mode */
- WREG32_P(SOC15_REG_OFFSET(UVD, inst_idx, mmUVD_POWER_STATUS), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
return 0;
@@ -1330,17 +1367,17 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
return r;
/* block VCPU register access */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_RB_ARB_CTRL),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
/* reset VCPU */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
UVD_VCPU_CNTL__BLK_RST_MASK,
~UVD_VCPU_CNTL__BLK_RST_MASK);
/* disable VCPU clock */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_VCPU_CNTL), 0,
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
~(UVD_VCPU_CNTL__CLK_EN_MASK));
/* clear status */
@@ -1349,7 +1386,7 @@ static int vcn_v2_5_stop(struct amdgpu_device *adev)
vcn_v2_5_enable_clock_gating(adev);
/* enable register anti-hang mechanism */
- WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS),
+ WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
}
@@ -1365,55 +1402,69 @@ static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
{
struct amdgpu_ring *ring;
uint32_t reg_data = 0;
- int ret_code;
+ int ret_code = 0;
/* pause/unpause if state is changed */
if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
DRM_DEBUG("dpg pause state changed %d -> %d",
adev->vcn.inst[inst_idx].pause_state.fw_based, new_state->fw_based);
- reg_data = RREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE) &
+ reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
- ret_code = 0;
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS, 0x1,
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
if (!ret_code) {
+ volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
+
/* pause DPG */
reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
- WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
/* wait for ACK */
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_DPG_PAUSE,
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK, ret_code);
+ /* Stall DPG before WPTR/RPTR reset */
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+ UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+ ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
/* Restore */
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst[inst_idx].ring_enc[0];
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
-
+ ring->wptr = 0;
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+ fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
ring = &adev->vcn.inst[inst_idx].ring_enc[1];
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
- WREG32_SOC15(UVD, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
-
- WREG32_SOC15(UVD, inst_idx, mmUVD_RBC_RB_WPTR,
- RREG32_SOC15(UVD, inst_idx, mmUVD_SCRATCH2) & 0x7FFFFFFF);
-
- SOC15_WAIT_ON_RREG(UVD, inst_idx, mmUVD_POWER_STATUS,
+ ring->wptr = 0;
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+ /* Unstall DPG */
+ WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+ 0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
}
} else {
- /* unpause dpg, no need to wait */
reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
- WREG32_SOC15(UVD, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+ WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+ SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
+ UVD_POWER_STATUS__UVD_POWER_STATUS_MASK, ret_code);
}
adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
}
@@ -1432,7 +1483,7 @@ static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_RPTR);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
}
/**
@@ -1449,7 +1500,7 @@ static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
if (ring->use_doorbell)
return adev->wb.wb[ring->wptr_offs];
else
- return RREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
}
/**
@@ -1463,15 +1514,11 @@ static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
- if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
- WREG32_SOC15(UVD, ring->me, mmUVD_SCRATCH2,
- lower_32_bits(ring->wptr) | 0x80000000);
-
if (ring->use_doorbell) {
adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
} else {
- WREG32_SOC15(UVD, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
}
}
@@ -1517,9 +1564,9 @@ static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
struct amdgpu_device *adev = ring->adev;
if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
- return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
else
- return RREG32_SOC15(UVD, ring->me, mmUVD_RB_RPTR2);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
}
/**
@@ -1537,12 +1584,12 @@ static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
if (ring->use_doorbell)
return adev->wb.wb[ring->wptr_offs];
else
- return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
} else {
if (ring->use_doorbell)
return adev->wb.wb[ring->wptr_offs];
else
- return RREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2);
+ return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
}
}
@@ -1562,14 +1609,14 @@ static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
} else {
- WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
}
} else {
if (ring->use_doorbell) {
adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
} else {
- WREG32_SOC15(UVD, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+ WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
}
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c
index 3ce10e05d0d6..af8986a55354 100644
--- a/drivers/gpu/drm/amd/amdgpu/vi.c
+++ b/drivers/gpu/drm/amd/amdgpu/vi.c
@@ -448,27 +448,6 @@ static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
return true;
}
-static void vi_detect_hw_virtualization(struct amdgpu_device *adev)
-{
- uint32_t reg = 0;
-
- if (adev->asic_type == CHIP_TONGA ||
- adev->asic_type == CHIP_FIJI) {
- reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER);
- /* bit0: 0 means pf and 1 means vf */
- if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, FUNC_IDENTIFIER))
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
- /* bit31: 0 means disable IOV and 1 means enable */
- if (REG_GET_FIELD(reg, BIF_IOV_FUNC_IDENTIFIER, IOV_ENABLE))
- adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
- }
-
- if (reg == 0) {
- if (is_virtual_machine()) /* passthrough mode exclus sr-iov mode */
- adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
- }
-}
-
static const struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
{mmGRBM_STATUS},
{mmGRBM_STATUS2},
@@ -1728,9 +1707,6 @@ static const struct amdgpu_ip_block_version vi_common_ip_block =
int vi_set_ip_blocks(struct amdgpu_device *adev)
{
- /* in early init stage, vbios code won't work */
- vi_detect_hw_virtualization(adev);
-
if (amdgpu_sriov_vf(adev))
adev->virt.ops = &xgpu_vi_virt_ops;
diff --git a/drivers/gpu/drm/amd/amdgpu/vid.h b/drivers/gpu/drm/amd/amdgpu/vid.h
index 19ddd2312e00..7a01e6133798 100644
--- a/drivers/gpu/drm/amd/amdgpu/vid.h
+++ b/drivers/gpu/drm/amd/amdgpu/vid.h
@@ -332,7 +332,7 @@
# define PACKET3_DMA_DATA_CMD_SAIC (1 << 28)
# define PACKET3_DMA_DATA_CMD_DAIC (1 << 29)
# define PACKET3_DMA_DATA_CMD_RAW_WAIT (1 << 30)
-#define PACKET3_AQUIRE_MEM 0x58
+#define PACKET3_ACQUIRE_MEM 0x58
#define PACKET3_REWIND 0x59
#define PACKET3_LOAD_UCONFIG_REG 0x5E
#define PACKET3_LOAD_SH_REG 0x5F
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 0ec5f25adf56..cf0017f4d9d5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -215,6 +215,7 @@ static int set_queue_properties_from_user(struct queue_properties *q_properties,
}
q_properties->is_interop = false;
+ q_properties->is_gws = false;
q_properties->queue_percent = args->queue_percentage;
q_properties->priority = args->queue_priority;
q_properties->queue_address = args->ring_base_address;
@@ -1322,6 +1323,10 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
goto err_free;
}
+ /* Update the VRAM usage count */
+ if (flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM)
+ WRITE_ONCE(pdd->vram_usage, pdd->vram_usage + args->size);
+
mutex_unlock(&p->mutex);
args->handle = MAKE_HANDLE(args->gpu_id, idr_handle);
@@ -1337,7 +1342,7 @@ static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
return 0;
err_free:
- amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem);
+ amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem, NULL);
err_unlock:
mutex_unlock(&p->mutex);
return err;
@@ -1351,6 +1356,7 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
void *mem;
struct kfd_dev *dev;
int ret;
+ uint64_t size = 0;
dev = kfd_device_by_id(GET_GPU_ID(args->handle));
if (!dev)
@@ -1373,7 +1379,7 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
}
ret = amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd,
- (struct kgd_mem *)mem);
+ (struct kgd_mem *)mem, &size);
/* If freeing the buffer failed, leave the handle in place for
* clean-up during process tear-down.
@@ -1382,6 +1388,8 @@ static int kfd_ioctl_free_memory_of_gpu(struct file *filep,
kfd_process_device_remove_obj_handle(
pdd, GET_IDR_HANDLE(args->handle));
+ WRITE_ONCE(pdd->vram_usage, pdd->vram_usage - size);
+
err_unlock:
mutex_unlock(&p->mutex);
return ret;
@@ -1584,6 +1592,45 @@ copy_from_user_failed:
return err;
}
+static int kfd_ioctl_alloc_queue_gws(struct file *filep,
+ struct kfd_process *p, void *data)
+{
+ int retval;
+ struct kfd_ioctl_alloc_queue_gws_args *args = data;
+ struct queue *q;
+ struct kfd_dev *dev;
+
+ mutex_lock(&p->mutex);
+ q = pqm_get_user_queue(&p->pqm, args->queue_id);
+
+ if (q) {
+ dev = q->device;
+ } else {
+ retval = -EINVAL;
+ goto out_unlock;
+ }
+
+ if (!dev->gws) {
+ retval = -ENODEV;
+ goto out_unlock;
+ }
+
+ if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) {
+ retval = -ENODEV;
+ goto out_unlock;
+ }
+
+ retval = pqm_set_gws(&p->pqm, args->queue_id, args->num_gws ? dev->gws : NULL);
+ mutex_unlock(&p->mutex);
+
+ args->first_gws = 0;
+ return retval;
+
+out_unlock:
+ mutex_unlock(&p->mutex);
+ return retval;
+}
+
static int kfd_ioctl_get_dmabuf_info(struct file *filep,
struct kfd_process *p, void *data)
{
@@ -1687,7 +1734,7 @@ static int kfd_ioctl_import_dmabuf(struct file *filep,
return 0;
err_free:
- amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem);
+ amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, (struct kgd_mem *)mem, NULL);
err_unlock:
mutex_unlock(&p->mutex);
return r;
@@ -1786,6 +1833,8 @@ static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = {
AMDKFD_IOCTL_DEF(AMDKFD_IOC_IMPORT_DMABUF,
kfd_ioctl_import_dmabuf, 0),
+ AMDKFD_IOCTL_DEF(AMDKFD_IOC_ALLOC_QUEUE_GWS,
+ kfd_ioctl_alloc_queue_gws, 0),
};
#define AMDKFD_CORE_IOCTL_COUNT ARRAY_SIZE(amdkfd_ioctls)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
index de9f68d5c312..1009a3b8dcc2 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.c
@@ -502,7 +502,7 @@ int kfd_parse_crat_table(void *crat_image, struct list_head *device_list,
num_nodes = crat_table->num_domains;
image_len = crat_table->length;
- pr_info("Parsing CRAT table with %d nodes\n", num_nodes);
+ pr_debug("Parsing CRAT table with %d nodes\n", num_nodes);
for (node_id = 0; node_id < num_nodes; node_id++) {
top_dev = kfd_create_topology_device(device_list);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 05bc6d96ec52..0491ab2b4a9b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -569,6 +569,23 @@ static void kfd_cwsr_init(struct kfd_dev *kfd)
}
}
+static int kfd_gws_init(struct kfd_dev *kfd)
+{
+ int ret = 0;
+
+ if (kfd->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS)
+ return 0;
+
+ if (hws_gws_support
+ || (kfd->device_info->asic_family >= CHIP_VEGA10
+ && kfd->device_info->asic_family <= CHIP_RAVEN
+ && kfd->mec2_fw_version >= 0x1b3))
+ ret = amdgpu_amdkfd_alloc_gws(kfd->kgd,
+ amdgpu_amdkfd_get_num_gws(kfd->kgd), &kfd->gws);
+
+ return ret;
+}
+
bool kgd2kfd_device_init(struct kfd_dev *kfd,
struct drm_device *ddev,
const struct kgd2kfd_shared_resources *gpu_resources)
@@ -578,6 +595,8 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
kfd->ddev = ddev;
kfd->mec_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
KGD_ENGINE_MEC1);
+ kfd->mec2_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
+ KGD_ENGINE_MEC2);
kfd->sdma_fw_version = amdgpu_amdkfd_get_fw_version(kfd->kgd,
KGD_ENGINE_SDMA1);
kfd->shared_resources = *gpu_resources;
@@ -598,13 +617,6 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
} else
kfd->max_proc_per_quantum = hws_max_conc_proc;
- /* Allocate global GWS that is shared by all KFD processes */
- if (hws_gws_support && amdgpu_amdkfd_alloc_gws(kfd->kgd,
- amdgpu_amdkfd_get_num_gws(kfd->kgd), &kfd->gws)) {
- dev_err(kfd_device, "Could not allocate %d gws\n",
- amdgpu_amdkfd_get_num_gws(kfd->kgd));
- goto out;
- }
/* calculate max size of mqds needed for queues */
size = max_num_of_queues_per_device *
kfd->device_info->mqd_size_aligned;
@@ -662,6 +674,15 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
goto device_queue_manager_error;
}
+ /* If supported on this device, allocate global GWS that is shared
+ * by all KFD processes
+ */
+ if (kfd_gws_init(kfd)) {
+ dev_err(kfd_device, "Could not allocate %d gws\n",
+ amdgpu_amdkfd_get_num_gws(kfd->kgd));
+ goto gws_error;
+ }
+
if (kfd_iommu_device_init(kfd)) {
dev_err(kfd_device, "Error initializing iommuv2\n");
goto device_iommu_error;
@@ -691,6 +712,7 @@ bool kgd2kfd_device_init(struct kfd_dev *kfd,
kfd_topology_add_device_error:
kfd_resume_error:
device_iommu_error:
+gws_error:
device_queue_manager_uninit(kfd->dqm);
device_queue_manager_error:
kfd_interrupt_exit(kfd);
@@ -701,7 +723,7 @@ kfd_doorbell_error:
kfd_gtt_sa_init_error:
amdgpu_amdkfd_free_gtt_mem(kfd->kgd, kfd->gtt_mem);
alloc_gtt_mem_failure:
- if (hws_gws_support)
+ if (kfd->gws)
amdgpu_amdkfd_free_gws(kfd->kgd, kfd->gws);
dev_err(kfd_device,
"device %x:%x NOT added due to errors\n",
@@ -720,7 +742,7 @@ void kgd2kfd_device_exit(struct kfd_dev *kfd)
kfd_doorbell_fini(kfd);
kfd_gtt_sa_fini(kfd);
amdgpu_amdkfd_free_gtt_mem(kfd->kgd, kfd->gtt_mem);
- if (hws_gws_support)
+ if (kfd->gws)
amdgpu_amdkfd_free_gws(kfd->kgd, kfd->gws);
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 77ea0f0cb163..e9c4867abeff 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -505,8 +505,13 @@ static int destroy_queue_nocpsch_locked(struct device_queue_manager *dqm,
deallocate_vmid(dqm, qpd, q);
}
qpd->queue_count--;
- if (q->properties.is_active)
+ if (q->properties.is_active) {
decrement_queue_count(dqm, q->properties.type);
+ if (q->properties.is_gws) {
+ dqm->gws_queue_count--;
+ qpd->mapped_gws_queue = false;
+ }
+ }
return retval;
}
@@ -583,6 +588,20 @@ static int update_queue(struct device_queue_manager *dqm, struct queue *q)
else if (!q->properties.is_active && prev_active)
decrement_queue_count(dqm, q->properties.type);
+ if (q->gws && !q->properties.is_gws) {
+ if (q->properties.is_active) {
+ dqm->gws_queue_count++;
+ pdd->qpd.mapped_gws_queue = true;
+ }
+ q->properties.is_gws = true;
+ } else if (!q->gws && q->properties.is_gws) {
+ if (q->properties.is_active) {
+ dqm->gws_queue_count--;
+ pdd->qpd.mapped_gws_queue = false;
+ }
+ q->properties.is_gws = false;
+ }
+
if (dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS)
retval = map_queues_cpsch(dqm);
else if (q->properties.is_active &&
@@ -631,6 +650,10 @@ static int evict_process_queues_nocpsch(struct device_queue_manager *dqm,
q->properties.type)];
q->properties.is_active = false;
decrement_queue_count(dqm, q->properties.type);
+ if (q->properties.is_gws) {
+ dqm->gws_queue_count--;
+ qpd->mapped_gws_queue = false;
+ }
if (WARN_ONCE(!dqm->sched_running, "Evict when stopped\n"))
continue;
@@ -744,6 +767,10 @@ static int restore_process_queues_nocpsch(struct device_queue_manager *dqm,
q->properties.type)];
q->properties.is_active = true;
increment_queue_count(dqm, q->properties.type);
+ if (q->properties.is_gws) {
+ dqm->gws_queue_count++;
+ qpd->mapped_gws_queue = true;
+ }
if (WARN_ONCE(!dqm->sched_running, "Restore when stopped\n"))
continue;
@@ -913,6 +940,7 @@ static int initialize_nocpsch(struct device_queue_manager *dqm)
INIT_LIST_HEAD(&dqm->queues);
dqm->active_queue_count = dqm->next_pipe_to_allocate = 0;
dqm->active_cp_queue_count = 0;
+ dqm->gws_queue_count = 0;
for (pipe = 0; pipe < get_pipes_per_mec(dqm); pipe++) {
int pipe_offset = pipe * get_queues_per_pipe(dqm);
@@ -1061,7 +1089,9 @@ static int set_sched_resources(struct device_queue_manager *dqm)
break;
}
- res.queue_mask |= (1ull << i);
+ res.queue_mask |= 1ull
+ << amdgpu_queue_mask_bit_to_set_resource_bit(
+ (struct amdgpu_device *)dqm->dev->kgd, i);
}
res.gws_mask = ~0ull;
res.oac_mask = res.gds_heap_base = res.gds_heap_size = 0;
@@ -1082,7 +1112,7 @@ static int initialize_cpsch(struct device_queue_manager *dqm)
INIT_LIST_HEAD(&dqm->queues);
dqm->active_queue_count = dqm->processes_count = 0;
dqm->active_cp_queue_count = 0;
-
+ dqm->gws_queue_count = 0;
dqm->active_runlist = false;
dqm->sdma_bitmap = ~0ULL >> (64 - get_num_sdma_queues(dqm));
dqm->xgmi_sdma_bitmap = ~0ULL >> (64 - get_num_xgmi_sdma_queues(dqm));
@@ -1432,6 +1462,10 @@ static int destroy_queue_cpsch(struct device_queue_manager *dqm,
KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
if (retval == -ETIME)
qpd->reset_wavefronts = true;
+ if (q->properties.is_gws) {
+ dqm->gws_queue_count--;
+ qpd->mapped_gws_queue = false;
+ }
}
/*
@@ -1650,8 +1684,13 @@ static int process_termination_cpsch(struct device_queue_manager *dqm,
else if (q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI)
deallocate_sdma_queue(dqm, q);
- if (q->properties.is_active)
+ if (q->properties.is_active) {
decrement_queue_count(dqm, q->properties.type);
+ if (q->properties.is_gws) {
+ dqm->gws_queue_count--;
+ qpd->mapped_gws_queue = false;
+ }
+ }
dqm->total_queue_count--;
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index 50d919f814e9..4afa015c69b1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -182,6 +182,7 @@ struct device_queue_manager {
unsigned int processes_count;
unsigned int active_queue_count;
unsigned int active_cp_queue_count;
+ unsigned int gws_queue_count;
unsigned int total_queue_count;
unsigned int next_pipe_to_allocate;
unsigned int *allocated_queues;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
index e05d75ecda21..fce6ccabe38b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
@@ -37,7 +37,7 @@ static bool event_interrupt_isr_v9(struct kfd_dev *dev,
vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
if (vmid < dev->vm_info.first_vmid_kfd ||
vmid > dev->vm_info.last_vmid_kfd)
- return 0;
+ return false;
source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
@@ -69,7 +69,7 @@ static bool event_interrupt_isr_v9(struct kfd_dev *dev,
/* If there is no valid PASID, it's likely a bug */
if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt"))
- return 0;
+ return false;
/* Interrupt types we care about: various signals and faults.
* They will be forwarded to a work queue (see below).
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
index 8d871514671e..7c8786b9eb0a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.c
@@ -192,7 +192,7 @@ static int iommu_invalid_ppr_cb(struct pci_dev *pdev, int pasid,
dev_warn_ratelimited(kfd_device,
"Invalid PPR device %x:%x.%x pasid 0x%x address 0x%lX flags 0x%X",
- PCI_BUS_NUM(pdev->devfn),
+ pdev->bus->number,
PCI_SLOT(pdev->devfn),
PCI_FUNC(pdev->devfn),
pasid,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index bae706462f96..a2b77d1df854 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -126,6 +126,7 @@ static bool kq_initialize(struct kernel_queue *kq, struct kfd_dev *dev,
prop.queue_size = queue_size;
prop.is_interop = false;
+ prop.is_gws = false;
prop.priority = 1;
prop.queue_percent = 100;
prop.type = type;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index efdb75e7677b..685ca82d42fe 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -41,7 +41,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
unsigned int *rlib_size,
bool *over_subscription)
{
- unsigned int process_count, queue_count, compute_queue_count;
+ unsigned int process_count, queue_count, compute_queue_count, gws_queue_count;
unsigned int map_queue_size;
unsigned int max_proc_per_quantum = 1;
struct kfd_dev *dev = pm->dqm->dev;
@@ -49,6 +49,7 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
process_count = pm->dqm->processes_count;
queue_count = pm->dqm->active_queue_count;
compute_queue_count = pm->dqm->active_cp_queue_count;
+ gws_queue_count = pm->dqm->gws_queue_count;
/* check if there is over subscription
* Note: the arbitration between the number of VMIDs and
@@ -61,7 +62,8 @@ static void pm_calc_rlib_size(struct packet_manager *pm,
max_proc_per_quantum = dev->max_proc_per_quantum;
if ((process_count > max_proc_per_quantum) ||
- compute_queue_count > get_cp_queues_num(pm->dqm)) {
+ compute_queue_count > get_cp_queues_num(pm->dqm) ||
+ gws_queue_count > 1) {
*over_subscription = true;
pr_debug("Over subscribed runlist\n");
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
index 2de01009f1b6..bdca9dc5f118 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
@@ -43,7 +43,7 @@ static int pm_map_process_v9(struct packet_manager *pm,
packet->bitfields2.pasid = qpd->pqm->process->pasid;
packet->bitfields14.gds_size = qpd->gds_size & 0x3F;
packet->bitfields14.gds_size_hi = (qpd->gds_size >> 6) & 0xF;
- packet->bitfields14.num_gws = qpd->num_gws;
+ packet->bitfields14.num_gws = (qpd->mapped_gws_queue) ? qpd->num_gws : 0;
packet->bitfields14.num_oac = qpd->num_oac;
packet->bitfields14.sdma_enable = 1;
packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 4a3049841086..f0587d94294d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -282,6 +282,7 @@ struct kfd_dev {
/* Firmware versions */
uint16_t mec_fw_version;
+ uint16_t mec2_fw_version;
uint16_t sdma_fw_version;
/* Maximum process number mapped to HW scheduler */
@@ -410,6 +411,10 @@ enum KFD_QUEUE_PRIORITY {
* @is_active: Defines if the queue is active or not. @is_active and
* @is_evicted are protected by the DQM lock.
*
+ * @is_gws: Defines if the queue has been updated to be GWS-capable or not.
+ * @is_gws should be protected by the DQM lock, since changing it can yield the
+ * possibility of updating DQM state on number of GWS queues.
+ *
* @vmid: If the scheduling mode is no cp scheduling the field defines the vmid
* of the queue.
*
@@ -432,6 +437,7 @@ struct queue_properties {
bool is_interop;
bool is_evicted;
bool is_active;
+ bool is_gws;
/* Not relevant for user mode queues in cp scheduling */
unsigned int vmid;
/* Relevant only for sdma queues*/
@@ -563,6 +569,14 @@ struct qcm_process_device {
*/
bool reset_wavefronts;
+ /* This flag tells us if this process has a GWS-capable
+ * queue that will be mapped into the runlist. It's
+ * possible to request a GWS BO, but not have the queue
+ * currently mapped, and this changes how the MAP_PROCESS
+ * PM4 packet is configured.
+ */
+ bool mapped_gws_queue;
+
/*
* All the memory management data should be here too
*/
@@ -615,6 +629,8 @@ enum kfd_pdd_bound {
PDD_BOUND_SUSPENDED,
};
+#define MAX_VRAM_FILENAME_LEN 11
+
/* Data that is per-process-per device. */
struct kfd_process_device {
/*
@@ -657,6 +673,11 @@ struct kfd_process_device {
/* Is this process/pasid bound to this device? (amd_iommu_bind_pasid) */
enum kfd_pdd_bound bound;
+
+ /* VRAM usage */
+ uint64_t vram_usage;
+ struct attribute attr_vram;
+ char vram_filename[MAX_VRAM_FILENAME_LEN];
};
#define qpd_to_pdd(x) container_of(x, struct kfd_process_device, qpd)
@@ -923,6 +944,8 @@ int pqm_set_gws(struct process_queue_manager *pqm, unsigned int qid,
void *gws);
struct kernel_queue *pqm_get_kernel_queue(struct process_queue_manager *pqm,
unsigned int qid);
+struct queue *pqm_get_user_queue(struct process_queue_manager *pqm,
+ unsigned int qid);
int pqm_get_wave_state(struct process_queue_manager *pqm,
unsigned int qid,
void __user *ctl_stack,
@@ -1050,7 +1073,7 @@ void kfd_dec_compute_active(struct kfd_dev *dev);
/* Check with device cgroup if @kfd device is accessible */
static inline int kfd_devcgroup_check_permission(struct kfd_dev *kfd)
{
-#if defined(CONFIG_CGROUP_DEVICE)
+#if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF)
struct drm_device *ddev = kfd->ddev;
return devcgroup_check_permission(DEVCG_DEV_CHAR, ddev->driver->major,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index fe0cd49d4ea7..d27221ddcdeb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -79,18 +79,22 @@ static struct kfd_procfs_tree procfs;
static ssize_t kfd_procfs_show(struct kobject *kobj, struct attribute *attr,
char *buffer)
{
- int val = 0;
-
if (strcmp(attr->name, "pasid") == 0) {
struct kfd_process *p = container_of(attr, struct kfd_process,
attr_pasid);
- val = p->pasid;
+
+ return snprintf(buffer, PAGE_SIZE, "%d\n", p->pasid);
+ } else if (strncmp(attr->name, "vram_", 5) == 0) {
+ struct kfd_process_device *pdd = container_of(attr, struct kfd_process_device,
+ attr_vram);
+ if (pdd)
+ return snprintf(buffer, PAGE_SIZE, "%llu\n", READ_ONCE(pdd->vram_usage));
} else {
pr_err("Invalid attribute");
return -EINVAL;
}
- return snprintf(buffer, PAGE_SIZE, "%d\n", val);
+ return 0;
}
static void kfd_procfs_kobj_release(struct kobject *kobj)
@@ -206,6 +210,34 @@ int kfd_procfs_add_queue(struct queue *q)
return 0;
}
+int kfd_procfs_add_vram_usage(struct kfd_process *p)
+{
+ int ret = 0;
+ struct kfd_process_device *pdd;
+
+ if (!p)
+ return -EINVAL;
+
+ if (!p->kobj)
+ return -EFAULT;
+
+ /* Create proc/<pid>/vram_<gpuid> file for each GPU */
+ list_for_each_entry(pdd, &p->per_device_data, per_device_list) {
+ snprintf(pdd->vram_filename, MAX_VRAM_FILENAME_LEN, "vram_%u",
+ pdd->dev->id);
+ pdd->attr_vram.name = pdd->vram_filename;
+ pdd->attr_vram.mode = KFD_SYSFS_FILE_MODE;
+ sysfs_attr_init(&pdd->attr_vram);
+ ret = sysfs_create_file(p->kobj, &pdd->attr_vram);
+ if (ret)
+ pr_warn("Creating vram usage for gpu id %d failed",
+ (int)pdd->dev->id);
+ }
+
+ return ret;
+}
+
+
void kfd_procfs_del_queue(struct queue *q)
{
if (!q)
@@ -248,7 +280,7 @@ static void kfd_process_free_gpuvm(struct kgd_mem *mem,
struct kfd_dev *dev = pdd->dev;
amdgpu_amdkfd_gpuvm_unmap_memory_from_gpu(dev->kgd, mem, pdd->vm);
- amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, mem);
+ amdgpu_amdkfd_gpuvm_free_memory_of_gpu(dev->kgd, mem, NULL);
}
/* kfd_process_alloc_gpuvm - Allocate GPU VM for the KFD process
@@ -312,7 +344,7 @@ sync_memory_failed:
return err;
err_map_mem:
- amdgpu_amdkfd_gpuvm_free_memory_of_gpu(kdev->kgd, mem);
+ amdgpu_amdkfd_gpuvm_free_memory_of_gpu(kdev->kgd, mem, NULL);
err_alloc_mem:
*kptr = NULL;
return err;
@@ -411,6 +443,11 @@ struct kfd_process *kfd_create_process(struct file *filep)
process->kobj);
if (!process->kobj_queues)
pr_warn("Creating KFD proc/queues folder failed");
+
+ ret = kfd_procfs_add_vram_usage(process);
+ if (ret)
+ pr_warn("Creating vram usage file for pid %d failed",
+ (int)process->lead_thread->pid);
}
out:
if (!IS_ERR(process))
@@ -488,7 +525,7 @@ static void kfd_process_device_free_bos(struct kfd_process_device *pdd)
peer_pdd->dev->kgd, mem, peer_pdd->vm);
}
- amdgpu_amdkfd_gpuvm_free_memory_of_gpu(pdd->dev->kgd, mem);
+ amdgpu_amdkfd_gpuvm_free_memory_of_gpu(pdd->dev->kgd, mem, NULL);
kfd_process_device_remove_obj_handle(pdd, id);
}
}
@@ -551,6 +588,7 @@ static void kfd_process_wq_release(struct work_struct *work)
{
struct kfd_process *p = container_of(work, struct kfd_process,
release_work);
+ struct kfd_process_device *pdd;
/* Remove the procfs files */
if (p->kobj) {
@@ -558,6 +596,10 @@ static void kfd_process_wq_release(struct work_struct *work)
kobject_del(p->kobj_queues);
kobject_put(p->kobj_queues);
p->kobj_queues = NULL;
+
+ list_for_each_entry(pdd, &p->per_device_data, per_device_list)
+ sysfs_remove_file(p->kobj, &pdd->attr_vram);
+
kobject_del(p->kobj);
kobject_put(p->kobj);
p->kobj = NULL;
@@ -858,10 +900,12 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev,
pdd->qpd.dqm = dev->dqm;
pdd->qpd.pqm = &p->pqm;
pdd->qpd.evicted = 0;
+ pdd->qpd.mapped_gws_queue = false;
pdd->process = p;
pdd->bound = PDD_UNBOUND;
pdd->already_dequeued = false;
pdd->runtime_inuse = false;
+ pdd->vram_usage = 0;
list_add(&pdd->per_device_list, &p->per_device_data);
/* Init idr used for memory handle translation */
@@ -1078,7 +1122,7 @@ struct kfd_process *kfd_lookup_process_by_mm(const struct mm_struct *mm)
return p;
}
-/* process_evict_queues - Evict all user queues of a process
+/* kfd_process_evict_queues - Evict all user queues of a process
*
* Eviction is reference-counted per process-device. This means multiple
* evictions from different sources can be nested safely.
@@ -1118,7 +1162,7 @@ fail:
return r;
}
-/* process_restore_queues - Restore all user queues of a process */
+/* kfd_process_restore_queues - Restore all user queues of a process */
int kfd_process_restore_queues(struct kfd_process *p)
{
struct kfd_process_device *pdd;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
index 084c35f55d59..eb1635ac8988 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
@@ -476,6 +476,15 @@ struct kernel_queue *pqm_get_kernel_queue(
return NULL;
}
+struct queue *pqm_get_user_queue(struct process_queue_manager *pqm,
+ unsigned int qid)
+{
+ struct process_queue_node *pqn;
+
+ pqn = get_queue_by_qid(pqm, qid);
+ return pqn ? pqn->q : NULL;
+}
+
int pqm_get_wave_state(struct process_queue_manager *pqm,
unsigned int qid,
void __user *ctl_stack,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index aa0bfa78a667..bb77f7af2b6d 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -478,6 +478,8 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
dev->node_props.device_id);
sysfs_show_32bit_prop(buffer, "location_id",
dev->node_props.location_id);
+ sysfs_show_32bit_prop(buffer, "domain",
+ dev->node_props.domain);
sysfs_show_32bit_prop(buffer, "drm_render_minor",
dev->node_props.drm_render_minor);
sysfs_show_64bit_prop(buffer, "hive_id",
@@ -787,7 +789,6 @@ static int kfd_topology_update_sysfs(void)
{
int ret;
- pr_info("Creating topology SYSFS entries\n");
if (!sys_props.kobj_topology) {
sys_props.kobj_topology =
kfd_alloc_struct(sys_props.kobj_topology);
@@ -1048,7 +1049,6 @@ int kfd_topology_init(void)
sys_props.generation_count++;
kfd_update_system_properties();
kfd_debug_print_topology();
- pr_info("Finished initializing topology\n");
} else
pr_err("Failed to update topology in sysfs ret=%d\n", ret);
@@ -1303,7 +1303,12 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
dev->node_props.vendor_id = gpu->pdev->vendor;
dev->node_props.device_id = gpu->pdev->device;
+ dev->node_props.capability |=
+ ((amdgpu_amdkfd_get_asic_rev_id(dev->gpu->kgd) <<
+ HSA_CAP_ASIC_REVISION_SHIFT) &
+ HSA_CAP_ASIC_REVISION_MASK);
dev->node_props.location_id = pci_dev_id(gpu->pdev);
+ dev->node_props.domain = pci_domain_nr(gpu->pdev->bus);
dev->node_props.max_engine_clk_fcompute =
amdgpu_amdkfd_get_max_engine_clock_in_mhz(dev->gpu->kgd);
dev->node_props.max_engine_clk_ccompute =
@@ -1317,7 +1322,7 @@ int kfd_topology_add_device(struct kfd_dev *gpu)
gpu->device_info->num_xgmi_sdma_engines;
dev->node_props.num_sdma_queues_per_engine =
gpu->device_info->num_sdma_queues_per_engine;
- dev->node_props.num_gws = (hws_gws_support &&
+ dev->node_props.num_gws = (dev->gpu->gws &&
dev->gpu->dqm->sched_policy != KFD_SCHED_POLICY_NO_HWS) ?
amdgpu_amdkfd_get_num_gws(dev->gpu->kgd) : 0;
dev->node_props.num_cp_queues = get_cp_queues_num(dev->gpu->dqm);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index 46eeecaf1b68..326d9b26b7aa 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -41,7 +41,6 @@
#define HSA_CAP_WATCH_POINTS_TOTALBITS_SHIFT 8
#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_MASK 0x00003000
#define HSA_CAP_DOORBELL_TYPE_TOTALBITS_SHIFT 12
-#define HSA_CAP_RESERVED 0xffffc000
#define HSA_CAP_DOORBELL_TYPE_PRE_1_0 0x0
#define HSA_CAP_DOORBELL_TYPE_1_0 0x1
@@ -51,6 +50,10 @@
#define HSA_CAP_SRAM_EDCSUPPORTED 0x00080000
#define HSA_CAP_MEM_EDCSUPPORTED 0x00100000
#define HSA_CAP_RASEVENTNOTIFY 0x00200000
+#define HSA_CAP_ASIC_REVISION_MASK 0x03c00000
+#define HSA_CAP_ASIC_REVISION_SHIFT 22
+
+#define HSA_CAP_RESERVED 0xfc078000
struct kfd_node_properties {
uint64_t hive_id;
@@ -77,6 +80,7 @@ struct kfd_node_properties {
uint32_t vendor_id;
uint32_t device_id;
uint32_t location_id;
+ uint32_t domain;
uint32_t max_engine_clk_fcompute;
uint32_t max_engine_clk_ccompute;
int32_t drm_render_minor;
diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index 87858bc57e64..1911a34cc060 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -21,16 +21,12 @@ config DRM_AMD_DC_HDCP
bool "Enable HDCP support in DC"
depends on DRM_AMD_DC
help
- Choose this option
- if you want to support
- HDCP authentication
+ Choose this option if you want to support HDCP authentication.
config DEBUG_KERNEL_DC
bool "Enable kgdb break in DC"
depends on DRM_AMD_DC
help
- Choose this option
- if you want to hit
- kdgb_break in assert.
+ Choose this option if you want to hit kdgb_break in assert.
endmenu
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f7c5cdc10a70..bdba0bfd6df1 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -30,7 +30,7 @@
#include "dc.h"
#include "dc/inc/core_types.h"
#include "dal_asic_id.h"
-#include "dmub/inc/dmub_srv.h"
+#include "dmub/dmub_srv.h"
#include "dc/inc/hw/dmcu.h"
#include "dc/inc/hw/abm.h"
#include "dc/dc_dmub_srv.h"
@@ -441,7 +441,7 @@ static void dm_vupdate_high_irq(void *interrupt_params)
/**
* dm_crtc_high_irq() - Handles CRTC interrupt
- * @interrupt_params: ignored
+ * @interrupt_params: used for determining the CRTC instance
*
* Handles the CRTC/VSYNC interrupt by notfying DRM's VBLANK
* event handler.
@@ -455,70 +455,6 @@ static void dm_crtc_high_irq(void *interrupt_params)
unsigned long flags;
acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
-
- if (acrtc) {
- acrtc_state = to_dm_crtc_state(acrtc->base.state);
-
- DRM_DEBUG_VBL("crtc:%d, vupdate-vrr:%d\n",
- acrtc->crtc_id,
- amdgpu_dm_vrr_active(acrtc_state));
-
- /* Core vblank handling at start of front-porch is only possible
- * in non-vrr mode, as only there vblank timestamping will give
- * valid results while done in front-porch. Otherwise defer it
- * to dm_vupdate_high_irq after end of front-porch.
- */
- if (!amdgpu_dm_vrr_active(acrtc_state))
- drm_crtc_handle_vblank(&acrtc->base);
-
- /* Following stuff must happen at start of vblank, for crc
- * computation and below-the-range btr support in vrr mode.
- */
- amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
-
- if (acrtc_state->stream && adev->family >= AMDGPU_FAMILY_AI &&
- acrtc_state->vrr_params.supported &&
- acrtc_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE) {
- spin_lock_irqsave(&adev->ddev->event_lock, flags);
- mod_freesync_handle_v_update(
- adev->dm.freesync_module,
- acrtc_state->stream,
- &acrtc_state->vrr_params);
-
- dc_stream_adjust_vmin_vmax(
- adev->dm.dc,
- acrtc_state->stream,
- &acrtc_state->vrr_params.adjust);
- spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
- }
- }
-}
-
-#if defined(CONFIG_DRM_AMD_DC_DCN)
-/**
- * dm_dcn_crtc_high_irq() - Handles VStartup interrupt for DCN generation ASICs
- * @interrupt params - interrupt parameters
- *
- * Notify DRM's vblank event handler at VSTARTUP
- *
- * Unlike DCE hardware, we trigger the handler at VSTARTUP. at which:
- * * We are close enough to VUPDATE - the point of no return for hw
- * * We are in the fixed portion of variable front porch when vrr is enabled
- * * We are before VUPDATE, where double-buffered vrr registers are swapped
- *
- * It is therefore the correct place to signal vblank, send user flip events,
- * and update VRR.
- */
-static void dm_dcn_crtc_high_irq(void *interrupt_params)
-{
- struct common_irq_params *irq_params = interrupt_params;
- struct amdgpu_device *adev = irq_params->adev;
- struct amdgpu_crtc *acrtc;
- struct dm_crtc_state *acrtc_state;
- unsigned long flags;
-
- acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
-
if (!acrtc)
return;
@@ -528,22 +464,35 @@ static void dm_dcn_crtc_high_irq(void *interrupt_params)
amdgpu_dm_vrr_active(acrtc_state),
acrtc_state->active_planes);
+ /**
+ * Core vblank handling at start of front-porch is only possible
+ * in non-vrr mode, as only there vblank timestamping will give
+ * valid results while done in front-porch. Otherwise defer it
+ * to dm_vupdate_high_irq after end of front-porch.
+ */
+ if (!amdgpu_dm_vrr_active(acrtc_state))
+ drm_crtc_handle_vblank(&acrtc->base);
+
+ /**
+ * Following stuff must happen at start of vblank, for crc
+ * computation and below-the-range btr support in vrr mode.
+ */
amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
- drm_crtc_handle_vblank(&acrtc->base);
+
+ /* BTR updates need to happen before VUPDATE on Vega and above. */
+ if (adev->family < AMDGPU_FAMILY_AI)
+ return;
spin_lock_irqsave(&adev->ddev->event_lock, flags);
- if (acrtc_state->vrr_params.supported &&
+ if (acrtc_state->stream && acrtc_state->vrr_params.supported &&
acrtc_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE) {
- mod_freesync_handle_v_update(
- adev->dm.freesync_module,
- acrtc_state->stream,
- &acrtc_state->vrr_params);
+ mod_freesync_handle_v_update(adev->dm.freesync_module,
+ acrtc_state->stream,
+ &acrtc_state->vrr_params);
- dc_stream_adjust_vmin_vmax(
- adev->dm.dc,
- acrtc_state->stream,
- &acrtc_state->vrr_params.adjust);
+ dc_stream_adjust_vmin_vmax(adev->dm.dc, acrtc_state->stream,
+ &acrtc_state->vrr_params.adjust);
}
/*
@@ -556,7 +505,8 @@ static void dm_dcn_crtc_high_irq(void *interrupt_params)
* avoid race conditions between flip programming and completion,
* which could cause too early flip completion events.
*/
- if (acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED &&
+ if (adev->family >= AMDGPU_FAMILY_RV &&
+ acrtc->pflip_status == AMDGPU_FLIP_SUBMITTED &&
acrtc_state->active_planes == 0) {
if (acrtc->event) {
drm_crtc_send_vblank_event(&acrtc->base, acrtc->event);
@@ -568,7 +518,6 @@ static void dm_dcn_crtc_high_irq(void *interrupt_params)
spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
}
-#endif
static int dm_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
@@ -825,8 +774,9 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
fw_inst_const_size);
}
- memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr, fw_bss_data,
- fw_bss_data_size);
+ if (fw_bss_data_size)
+ memcpy(fb_info->fb[DMUB_WINDOW_2_BSS_DATA].cpu_addr,
+ fw_bss_data, fw_bss_data_size);
/* Copy firmware bios info into FB memory. */
memcpy(fb_info->fb[DMUB_WINDOW_3_VBIOS].cpu_addr, adev->bios,
@@ -968,6 +918,23 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
goto error;
}
+ if (amdgpu_dc_debug_mask & DC_DISABLE_PIPE_SPLIT) {
+ adev->dm.dc->debug.force_single_disp_pipe_split = false;
+ adev->dm.dc->debug.pipe_split_policy = MPC_SPLIT_AVOID;
+ }
+
+ if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
+ adev->dm.dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
+
+ if (amdgpu_dc_debug_mask & DC_DISABLE_STUTTER)
+ adev->dm.dc->debug.disable_stutter = true;
+
+ if (amdgpu_dc_debug_mask & DC_DISABLE_DSC)
+ adev->dm.dc->debug.disable_dsc = true;
+
+ if (amdgpu_dc_debug_mask & DC_DISABLE_CLOCK_GATING)
+ adev->dm.dc->debug.disable_clock_gate = true;
+
r = dm_dmub_hw_init(adev);
if (r) {
DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
@@ -1265,6 +1232,10 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
adev->dm.dmub_fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
le32_to_cpu(hdr->inst_const_bytes);
+ region_params.fw_inst_const =
+ adev->dm.dmub_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
+ PSP_HEADER_BYTES;
status = dmub_srv_calc_region_info(dmub_srv, &region_params,
&region_info);
@@ -1384,9 +1355,14 @@ static int dm_late_init(void *handle)
struct dmcu_iram_parameters params;
unsigned int linear_lut[16];
int i;
- struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
+ struct dmcu *dmcu = NULL;
bool ret = false;
+ if (!adev->dm.fw_dmcu)
+ return detect_mst_link_for_all_connectors(adev->ddev);
+
+ dmcu = adev->dm.dc->res_pool->dmcu;
+
for (i = 0; i < 16; i++)
linear_lut[i] = 0xFFFF * i / 15;
@@ -1562,12 +1538,115 @@ static int dm_hw_fini(void *handle)
return 0;
}
+
+static int dm_enable_vblank(struct drm_crtc *crtc);
+static void dm_disable_vblank(struct drm_crtc *crtc);
+
+static void dm_gpureset_toggle_interrupts(struct amdgpu_device *adev,
+ struct dc_state *state, bool enable)
+{
+ enum dc_irq_source irq_source;
+ struct amdgpu_crtc *acrtc;
+ int rc = -EBUSY;
+ int i = 0;
+
+ for (i = 0; i < state->stream_count; i++) {
+ acrtc = get_crtc_by_otg_inst(
+ adev, state->stream_status[i].primary_otg_inst);
+
+ if (acrtc && state->stream_status[i].plane_count != 0) {
+ irq_source = IRQ_TYPE_PFLIP + acrtc->otg_inst;
+ rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
+ DRM_DEBUG("crtc %d - vupdate irq %sabling: r=%d\n",
+ acrtc->crtc_id, enable ? "en" : "dis", rc);
+ if (rc)
+ DRM_WARN("Failed to %s pflip interrupts\n",
+ enable ? "enable" : "disable");
+
+ if (enable) {
+ rc = dm_enable_vblank(&acrtc->base);
+ if (rc)
+ DRM_WARN("Failed to enable vblank interrupts\n");
+ } else {
+ dm_disable_vblank(&acrtc->base);
+ }
+
+ }
+ }
+
+}
+
+enum dc_status amdgpu_dm_commit_zero_streams(struct dc *dc)
+{
+ struct dc_state *context = NULL;
+ enum dc_status res = DC_ERROR_UNEXPECTED;
+ int i;
+ struct dc_stream_state *del_streams[MAX_PIPES];
+ int del_streams_count = 0;
+
+ memset(del_streams, 0, sizeof(del_streams));
+
+ context = dc_create_state(dc);
+ if (context == NULL)
+ goto context_alloc_fail;
+
+ dc_resource_state_copy_construct_current(dc, context);
+
+ /* First remove from context all streams */
+ for (i = 0; i < context->stream_count; i++) {
+ struct dc_stream_state *stream = context->streams[i];
+
+ del_streams[del_streams_count++] = stream;
+ }
+
+ /* Remove all planes for removed streams and then remove the streams */
+ for (i = 0; i < del_streams_count; i++) {
+ if (!dc_rem_all_planes_for_stream(dc, del_streams[i], context)) {
+ res = DC_FAIL_DETACH_SURFACES;
+ goto fail;
+ }
+
+ res = dc_remove_stream_from_ctx(dc, context, del_streams[i]);
+ if (res != DC_OK)
+ goto fail;
+ }
+
+
+ res = dc_validate_global_state(dc, context, false);
+
+ if (res != DC_OK) {
+ DRM_ERROR("%s:resource validation failed, dc_status:%d\n", __func__, res);
+ goto fail;
+ }
+
+ res = dc_commit_state(dc, context);
+
+fail:
+ dc_release_state(context);
+
+context_alloc_fail:
+ return res;
+}
+
static int dm_suspend(void *handle)
{
struct amdgpu_device *adev = handle;
struct amdgpu_display_manager *dm = &adev->dm;
int ret = 0;
+ if (adev->in_gpu_reset) {
+ mutex_lock(&dm->dc_lock);
+ dm->cached_dc_state = dc_copy_state(dm->dc->current_state);
+
+ dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false);
+
+ amdgpu_dm_commit_zero_streams(dm->dc);
+
+ amdgpu_dm_irq_suspend(adev);
+
+ return ret;
+ }
+
WARN_ON(adev->dm.cached_state);
adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev);
@@ -1578,7 +1657,7 @@ static int dm_suspend(void *handle)
dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3);
- return ret;
+ return 0;
}
static struct amdgpu_dm_connector *
@@ -1682,6 +1761,46 @@ static void emulated_link_detect(struct dc_link *link)
}
+static void dm_gpureset_commit_state(struct dc_state *dc_state,
+ struct amdgpu_display_manager *dm)
+{
+ struct {
+ struct dc_surface_update surface_updates[MAX_SURFACES];
+ struct dc_plane_info plane_infos[MAX_SURFACES];
+ struct dc_scaling_info scaling_infos[MAX_SURFACES];
+ struct dc_flip_addrs flip_addrs[MAX_SURFACES];
+ struct dc_stream_update stream_update;
+ } * bundle;
+ int k, m;
+
+ bundle = kzalloc(sizeof(*bundle), GFP_KERNEL);
+
+ if (!bundle) {
+ dm_error("Failed to allocate update bundle\n");
+ goto cleanup;
+ }
+
+ for (k = 0; k < dc_state->stream_count; k++) {
+ bundle->stream_update.stream = dc_state->streams[k];
+
+ for (m = 0; m < dc_state->stream_status->plane_count; m++) {
+ bundle->surface_updates[m].surface =
+ dc_state->stream_status->plane_states[m];
+ bundle->surface_updates[m].surface->force_full_update =
+ true;
+ }
+ dc_commit_updates_for_stream(
+ dm->dc, bundle->surface_updates,
+ dc_state->stream_status->plane_count,
+ dc_state->streams[k], &bundle->stream_update, dc_state);
+ }
+
+cleanup:
+ kfree(bundle);
+
+ return;
+}
+
static int dm_resume(void *handle)
{
struct amdgpu_device *adev = handle;
@@ -1698,8 +1817,44 @@ static int dm_resume(void *handle)
struct dm_plane_state *dm_new_plane_state;
struct dm_atomic_state *dm_state = to_dm_atomic_state(dm->atomic_obj.state);
enum dc_connection_type new_connection_type = dc_connection_none;
- int i, r;
+ struct dc_state *dc_state;
+ int i, r, j;
+
+ if (adev->in_gpu_reset) {
+ dc_state = dm->cached_dc_state;
+
+ r = dm_dmub_hw_init(adev);
+ if (r)
+ DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
+
+ dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
+ dc_resume(dm->dc);
+
+ amdgpu_dm_irq_resume_early(adev);
+ for (i = 0; i < dc_state->stream_count; i++) {
+ dc_state->streams[i]->mode_changed = true;
+ for (j = 0; j < dc_state->stream_status->plane_count; j++) {
+ dc_state->stream_status->plane_states[j]->update_flags.raw
+ = 0xffffffff;
+ }
+ }
+
+ WARN_ON(!dc_commit_state(dm->dc, dc_state));
+
+ dm_gpureset_commit_state(dm->cached_dc_state, dm);
+
+ dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, true);
+
+ dc_release_state(dm->cached_dc_state);
+ dm->cached_dc_state = NULL;
+
+ amdgpu_dm_irq_resume_late(adev);
+
+ mutex_unlock(&dm->dc_lock);
+
+ return 0;
+ }
/* Recreate dc_state - DC invalidates it when setting power state to S3. */
dc_release_state(dm_state->context);
dm_state->context = dc_create_state(dm->dc);
@@ -2008,17 +2163,22 @@ void amdgpu_dm_update_connector_after_detect(
dc_sink_retain(aconnector->dc_sink);
if (sink->dc_edid.length == 0) {
aconnector->edid = NULL;
- drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
+ if (aconnector->dc_link->aux_mode) {
+ drm_dp_cec_unset_edid(
+ &aconnector->dm_dp_aux.aux);
+ }
} else {
aconnector->edid =
- (struct edid *) sink->dc_edid.raw_edid;
-
+ (struct edid *)sink->dc_edid.raw_edid;
drm_connector_update_edid_property(connector,
- aconnector->edid);
- drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
- aconnector->edid);
+ aconnector->edid);
+
+ if (aconnector->dc_link->aux_mode)
+ drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
+ aconnector->edid);
}
+
amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
update_connector_ext_caps(aconnector);
} else {
@@ -2440,8 +2600,36 @@ static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
c_irq_params->adev = adev;
c_irq_params->irq_src = int_params.irq_source;
+ amdgpu_dm_irq_register_interrupt(
+ adev, &int_params, dm_crtc_high_irq, c_irq_params);
+ }
+
+ /* Use VUPDATE_NO_LOCK interrupt on DCN, which seems to correspond to
+ * the regular VUPDATE interrupt on DCE. We want DC_IRQ_SOURCE_VUPDATEx
+ * to trigger at end of each vblank, regardless of state of the lock,
+ * matching DCE behaviour.
+ */
+ for (i = DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT;
+ i <= DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT + adev->mode_info.num_crtc - 1;
+ i++) {
+ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->vupdate_irq);
+
+ if (r) {
+ DRM_ERROR("Failed to add vupdate irq id!\n");
+ return r;
+ }
+
+ int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
+ int_params.irq_source =
+ dc_interrupt_to_irq_source(dc, i, 0);
+
+ c_irq_params = &adev->dm.vupdate_params[int_params.irq_source - DC_IRQ_SOURCE_VUPDATE1];
+
+ c_irq_params->adev = adev;
+ c_irq_params->irq_src = int_params.irq_source;
+
amdgpu_dm_irq_register_interrupt(adev, &int_params,
- dm_dcn_crtc_high_irq, c_irq_params);
+ dm_vupdate_high_irq, c_irq_params);
}
/* Use GRPH_PFLIP interrupt */
@@ -3031,9 +3219,6 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
goto fail;
}
- if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
- dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
-
/* No userspace support. */
dm->dc->debug.disable_tri_buf = true;
@@ -3304,7 +3489,7 @@ static int fill_dc_scaling_info(const struct drm_plane_state *state,
}
static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
- uint64_t *tiling_flags)
+ uint64_t *tiling_flags, bool *tmz_surface)
{
struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
int r = amdgpu_bo_reserve(rbo, false);
@@ -3319,6 +3504,9 @@ static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
if (tiling_flags)
amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
+ if (tmz_surface)
+ *tmz_surface = amdgpu_bo_encrypted(rbo);
+
amdgpu_bo_unreserve(rbo);
return r;
@@ -3340,7 +3528,8 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev,
const union dc_tiling_info *tiling_info,
const uint64_t info,
struct dc_plane_dcc_param *dcc,
- struct dc_plane_address *address)
+ struct dc_plane_address *address,
+ bool force_disable_dcc)
{
struct dc *dc = adev->dm.dc;
struct dc_dcc_surface_param input;
@@ -3352,6 +3541,9 @@ fill_plane_dcc_attributes(struct amdgpu_device *adev,
memset(&input, 0, sizeof(input));
memset(&output, 0, sizeof(output));
+ if (force_disable_dcc)
+ return 0;
+
if (!offset)
return 0;
@@ -3401,7 +3593,9 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev,
union dc_tiling_info *tiling_info,
struct plane_size *plane_size,
struct dc_plane_dcc_param *dcc,
- struct dc_plane_address *address)
+ struct dc_plane_address *address,
+ bool tmz_surface,
+ bool force_disable_dcc)
{
const struct drm_framebuffer *fb = &afb->base;
int ret;
@@ -3411,6 +3605,8 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev,
memset(dcc, 0, sizeof(*dcc));
memset(address, 0, sizeof(*address));
+ address->tmz_surface = tmz_surface;
+
if (format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
plane_size->surface_size.x = 0;
plane_size->surface_size.y = 0;
@@ -3507,7 +3703,8 @@ fill_plane_buffer_attributes(struct amdgpu_device *adev,
ret = fill_plane_dcc_attributes(adev, afb, format, rotation,
plane_size, tiling_info,
- tiling_flags, dcc, address);
+ tiling_flags, dcc, address,
+ force_disable_dcc);
if (ret)
return ret;
}
@@ -3599,7 +3796,9 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
const struct drm_plane_state *plane_state,
const uint64_t tiling_flags,
struct dc_plane_info *plane_info,
- struct dc_plane_address *address)
+ struct dc_plane_address *address,
+ bool tmz_surface,
+ bool force_disable_dcc)
{
const struct drm_framebuffer *fb = plane_state->fb;
const struct amdgpu_framebuffer *afb =
@@ -3642,6 +3841,14 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
case DRM_FORMAT_P010:
plane_info->format = SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb;
break;
+ case DRM_FORMAT_XRGB16161616F:
+ case DRM_FORMAT_ARGB16161616F:
+ plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F;
+ break;
+ case DRM_FORMAT_XBGR16161616F:
+ case DRM_FORMAT_ABGR16161616F:
+ plane_info->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F;
+ break;
default:
DRM_ERROR(
"Unsupported screen format %s\n",
@@ -3681,7 +3888,8 @@ fill_dc_plane_info_and_addr(struct amdgpu_device *adev,
plane_info->rotation, tiling_flags,
&plane_info->tiling_info,
&plane_info->plane_size,
- &plane_info->dcc, address);
+ &plane_info->dcc, address, tmz_surface,
+ force_disable_dcc);
if (ret)
return ret;
@@ -3704,6 +3912,8 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev,
struct dc_plane_info plane_info;
uint64_t tiling_flags;
int ret;
+ bool tmz_surface = false;
+ bool force_disable_dcc = false;
ret = fill_dc_scaling_info(plane_state, &scaling_info);
if (ret)
@@ -3714,13 +3924,16 @@ static int fill_dc_plane_attributes(struct amdgpu_device *adev,
dc_plane_state->clip_rect = scaling_info.clip_rect;
dc_plane_state->scaling_quality = scaling_info.scaling_quality;
- ret = get_fb_info(amdgpu_fb, &tiling_flags);
+ ret = get_fb_info(amdgpu_fb, &tiling_flags, &tmz_surface);
if (ret)
return ret;
+ force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
ret = fill_dc_plane_info_and_addr(adev, plane_state, tiling_flags,
&plane_info,
- &dc_plane_state->address);
+ &dc_plane_state->address,
+ tmz_surface,
+ force_disable_dcc);
if (ret)
return ret;
@@ -3807,8 +4020,7 @@ static void update_stream_scaling_settings(const struct drm_display_mode *mode,
static enum dc_color_depth
convert_color_depth_from_display_info(const struct drm_connector *connector,
- const struct drm_connector_state *state,
- bool is_y420)
+ bool is_y420, int requested_bpc)
{
uint8_t bpc;
@@ -3828,10 +4040,7 @@ convert_color_depth_from_display_info(const struct drm_connector *connector,
bpc = bpc ? bpc : 8;
}
- if (!state)
- state = connector->state;
-
- if (state) {
+ if (requested_bpc > 0) {
/*
* Cap display bpc based on the user requested value.
*
@@ -3840,7 +4049,7 @@ convert_color_depth_from_display_info(const struct drm_connector *connector,
* or if this was called outside of atomic check, so it
* can't be used directly.
*/
- bpc = min(bpc, state->max_requested_bpc);
+ bpc = min_t(u8, bpc, requested_bpc);
/* Round down to the nearest even number. */
bpc = bpc - (bpc & 1);
@@ -3962,7 +4171,8 @@ static void fill_stream_properties_from_drm_display_mode(
const struct drm_display_mode *mode_in,
const struct drm_connector *connector,
const struct drm_connector_state *connector_state,
- const struct dc_stream_state *old_stream)
+ const struct dc_stream_state *old_stream,
+ int requested_bpc)
{
struct dc_crtc_timing *timing_out = &stream->timing;
const struct drm_display_info *info = &connector->display_info;
@@ -3992,8 +4202,9 @@ static void fill_stream_properties_from_drm_display_mode(
timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE;
timing_out->display_color_depth = convert_color_depth_from_display_info(
- connector, connector_state,
- (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420));
+ connector,
+ (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420),
+ requested_bpc);
timing_out->scan_type = SCANNING_TYPE_NODATA;
timing_out->hdmi_vic = 0;
@@ -4199,7 +4410,8 @@ static struct dc_stream_state *
create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
const struct drm_display_mode *drm_mode,
const struct dm_connector_state *dm_state,
- const struct dc_stream_state *old_stream)
+ const struct dc_stream_state *old_stream,
+ int requested_bpc)
{
struct drm_display_mode *preferred_mode = NULL;
struct drm_connector *drm_connector;
@@ -4284,10 +4496,10 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
*/
if (!scale || mode_refresh != preferred_refresh)
fill_stream_properties_from_drm_display_mode(stream,
- &mode, &aconnector->base, con_state, NULL);
+ &mode, &aconnector->base, con_state, NULL, requested_bpc);
else
fill_stream_properties_from_drm_display_mode(stream,
- &mode, &aconnector->base, con_state, old_stream);
+ &mode, &aconnector->base, con_state, old_stream, requested_bpc);
stream->timing.flags.DSC = 0;
@@ -4324,14 +4536,10 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
if (stream->signal == SIGNAL_TYPE_HDMI_TYPE_A)
mod_build_hf_vsif_infopacket(stream, &stream->vsp_infopacket, false, false);
- if (stream->link->psr_feature_enabled) {
+ if (stream->link->psr_settings.psr_feature_enabled) {
struct dc *core_dc = stream->link->ctx->dc;
if (dc_is_dmcu_initialized(core_dc)) {
- struct dmcu *dmcu = core_dc->res_pool->dmcu;
-
- stream->psr_version = dmcu->dmcu_version.psr_version;
-
//
// should decide stream support vsc sdp colorimetry capability
// before building vsc info packet
@@ -4437,10 +4645,6 @@ static inline int dm_set_vupdate_irq(struct drm_crtc *crtc, bool enable)
struct amdgpu_device *adev = crtc->dev->dev_private;
int rc;
- /* Do not set vupdate for DCN hardware */
- if (adev->family > AMDGPU_FAMILY_AI)
- return 0;
-
irq_source = IRQ_TYPE_VUPDATE + acrtc->otg_inst;
rc = dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
@@ -4664,6 +4868,7 @@ static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
i2c_del_adapter(&aconnector->i2c->base);
kfree(aconnector->i2c);
}
+ kfree(aconnector->dm_dp_aux.aux.name);
kfree(connector);
}
@@ -4723,10 +4928,19 @@ amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
static int
amdgpu_dm_connector_late_register(struct drm_connector *connector)
{
-#if defined(CONFIG_DEBUG_FS)
struct amdgpu_dm_connector *amdgpu_dm_connector =
to_amdgpu_dm_connector(connector);
+ int r;
+ if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
+ (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
+ amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev;
+ r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux);
+ if (r)
+ return r;
+ }
+
+#if defined(CONFIG_DEBUG_FS)
connector_debugfs_init(amdgpu_dm_connector);
#endif
@@ -4804,16 +5018,54 @@ static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
create_eml_sink(aconnector);
}
+static struct dc_stream_state *
+create_validate_stream_for_sink(struct amdgpu_dm_connector *aconnector,
+ const struct drm_display_mode *drm_mode,
+ const struct dm_connector_state *dm_state,
+ const struct dc_stream_state *old_stream)
+{
+ struct drm_connector *connector = &aconnector->base;
+ struct amdgpu_device *adev = connector->dev->dev_private;
+ struct dc_stream_state *stream;
+ int requested_bpc = connector->state ? connector->state->max_requested_bpc : 8;
+ enum dc_status dc_result = DC_OK;
+
+ do {
+ stream = create_stream_for_sink(aconnector, drm_mode,
+ dm_state, old_stream,
+ requested_bpc);
+ if (stream == NULL) {
+ DRM_ERROR("Failed to create stream for sink!\n");
+ break;
+ }
+
+ dc_result = dc_validate_stream(adev->dm.dc, stream);
+
+ if (dc_result != DC_OK) {
+ DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n",
+ drm_mode->hdisplay,
+ drm_mode->vdisplay,
+ drm_mode->clock,
+ dc_result);
+
+ dc_stream_release(stream);
+ stream = NULL;
+ requested_bpc -= 2; /* lower bpc to retry validation */
+ }
+
+ } while (stream == NULL && requested_bpc >= 6);
+
+ return stream;
+}
+
enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
int result = MODE_ERROR;
struct dc_sink *dc_sink;
- struct amdgpu_device *adev = connector->dev->dev_private;
/* TODO: Unhardcode stream count */
struct dc_stream_state *stream;
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
- enum dc_status dc_result = DC_OK;
if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
(mode->flags & DRM_MODE_FLAG_DBLSCAN))
@@ -4834,24 +5086,11 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec
goto fail;
}
- stream = create_stream_for_sink(aconnector, mode, NULL, NULL);
- if (stream == NULL) {
- DRM_ERROR("Failed to create stream for sink!\n");
- goto fail;
- }
-
- dc_result = dc_validate_stream(adev->dm.dc, stream);
-
- if (dc_result == DC_OK)
+ stream = create_validate_stream_for_sink(aconnector, mode, NULL, NULL);
+ if (stream) {
+ dc_stream_release(stream);
result = MODE_OK;
- else
- DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n",
- mode->hdisplay,
- mode->vdisplay,
- mode->clock,
- dc_result);
-
- dc_stream_release(stream);
+ }
fail:
/* TODO: error handling*/
@@ -5174,10 +5413,12 @@ static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
return 0;
if (!state->duplicated) {
+ int max_bpc = conn_state->max_requested_bpc;
is_y420 = drm_mode_is_420_also(&connector->display_info, adjusted_mode) &&
aconnector->force_yuv420_output;
- color_depth = convert_color_depth_from_display_info(connector, conn_state,
- is_y420);
+ color_depth = convert_color_depth_from_display_info(connector,
+ is_y420,
+ max_bpc);
bpp = convert_dc_color_depth_into_bpc(color_depth) * 3;
clock = adjusted_mode->clock;
dm_new_connector_state->pbn = drm_dp_calc_pbn_mode(clock, bpp, false);
@@ -5332,6 +5573,8 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
uint64_t tiling_flags;
uint32_t domain;
int r;
+ bool tmz_surface = false;
+ bool force_disable_dcc = false;
dm_plane_state_old = to_dm_plane_state(plane->state);
dm_plane_state_new = to_dm_plane_state(new_state);
@@ -5380,6 +5623,8 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
amdgpu_bo_get_tiling_flags(rbo, &tiling_flags);
+ tmz_surface = amdgpu_bo_encrypted(rbo);
+
ttm_eu_backoff_reservation(&ticket, &list);
afb->address = amdgpu_bo_gpu_offset(rbo);
@@ -5390,11 +5635,13 @@ static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
struct dc_plane_state *plane_state = dm_plane_state_new->dc_state;
+ force_disable_dcc = adev->asic_type == CHIP_RAVEN && adev->in_suspend;
fill_plane_buffer_attributes(
adev, afb, plane_state->format, plane_state->rotation,
tiling_flags, &plane_state->tiling_info,
&plane_state->plane_size, &plane_state->dcc,
- &plane_state->address);
+ &plane_state->address, tmz_surface,
+ force_disable_dcc);
}
return 0;
@@ -5540,6 +5787,12 @@ static int get_plane_formats(const struct drm_plane *plane,
formats[num_formats++] = DRM_FORMAT_NV12;
if (plane_cap && plane_cap->pixel_format_support.p010)
formats[num_formats++] = DRM_FORMAT_P010;
+ if (plane_cap && plane_cap->pixel_format_support.fp16) {
+ formats[num_formats++] = DRM_FORMAT_XRGB16161616F;
+ formats[num_formats++] = DRM_FORMAT_ARGB16161616F;
+ formats[num_formats++] = DRM_FORMAT_XBGR16161616F;
+ formats[num_formats++] = DRM_FORMAT_ABGR16161616F;
+ }
break;
case DRM_PLANE_TYPE_OVERLAY:
@@ -6092,7 +6345,7 @@ static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
|| connector_type == DRM_MODE_CONNECTOR_eDP)
- amdgpu_dm_initialize_dp_connector(dm, aconnector);
+ amdgpu_dm_initialize_dp_connector(dm, aconnector, link->link_index);
out_free:
if (res) {
@@ -6567,6 +6820,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
unsigned long flags;
struct amdgpu_bo *abo;
uint64_t tiling_flags;
+ bool tmz_surface = false;
uint32_t target_vblank, last_flip_vblank;
bool vrr_active = amdgpu_dm_vrr_active(acrtc_state);
bool pflip_present = false;
@@ -6619,6 +6873,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
if (new_pcrtc_state->color_mgmt_changed) {
bundle->surface_updates[planes_count].gamma = dc_plane->gamma_correction;
bundle->surface_updates[planes_count].in_transfer_func = dc_plane->in_transfer_func;
+ bundle->surface_updates[planes_count].gamut_remap_matrix = &dc_plane->gamut_remap_matrix;
}
fill_dc_scaling_info(new_plane_state,
@@ -6661,12 +6916,20 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
+ tmz_surface = amdgpu_bo_encrypted(abo);
+
amdgpu_bo_unreserve(abo);
fill_dc_plane_info_and_addr(
dm->adev, new_plane_state, tiling_flags,
&bundle->plane_infos[planes_count],
- &bundle->flip_addrs[planes_count].address);
+ &bundle->flip_addrs[planes_count].address,
+ tmz_surface,
+ false);
+
+ DRM_DEBUG_DRIVER("plane: id=%d dcc_en=%d\n",
+ new_plane_state->plane->index,
+ bundle->plane_infos[planes_count].dcc.enable);
bundle->surface_updates[planes_count].plane_info =
&bundle->plane_infos[planes_count];
@@ -6807,7 +7070,7 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
}
mutex_lock(&dm->dc_lock);
if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
- acrtc_state->stream->link->psr_allow_active)
+ acrtc_state->stream->link->psr_settings.psr_allow_active)
amdgpu_dm_psr_disable(acrtc_state->stream);
dc_commit_updates_for_stream(dm->dc,
@@ -6818,12 +7081,12 @@ static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
dc_state);
if ((acrtc_state->update_type > UPDATE_TYPE_FAST) &&
- acrtc_state->stream->psr_version &&
- !acrtc_state->stream->link->psr_feature_enabled)
+ acrtc_state->stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED &&
+ !acrtc_state->stream->link->psr_settings.psr_feature_enabled)
amdgpu_dm_link_setup_psr(acrtc_state->stream);
else if ((acrtc_state->update_type == UPDATE_TYPE_FAST) &&
- acrtc_state->stream->link->psr_feature_enabled &&
- !acrtc_state->stream->link->psr_allow_active) {
+ acrtc_state->stream->link->psr_settings.psr_feature_enabled &&
+ !acrtc_state->stream->link->psr_settings.psr_allow_active) {
amdgpu_dm_psr_enable(acrtc_state->stream);
}
@@ -7137,7 +7400,7 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
/* i.e. reset mode */
if (dm_old_crtc_state->stream) {
- if (dm_old_crtc_state->stream->link->psr_allow_active)
+ if (dm_old_crtc_state->stream->link->psr_settings.psr_allow_active)
amdgpu_dm_psr_disable(dm_old_crtc_state->stream);
remove_stream(adev, acrtc, dm_old_crtc_state->stream);
@@ -7585,10 +7848,10 @@ static int dm_update_crtc_state(struct amdgpu_display_manager *dm,
if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
goto skip_modeset;
- new_stream = create_stream_for_sink(aconnector,
- &new_crtc_state->mode,
- dm_new_conn_state,
- dm_old_crtc_state->stream);
+ new_stream = create_validate_stream_for_sink(aconnector,
+ &new_crtc_state->mode,
+ dm_new_conn_state,
+ dm_old_crtc_state->stream);
/*
* we can have no stream on ACTION_SET if a display
@@ -7848,6 +8111,7 @@ static int dm_update_plane_state(struct dc *dc,
struct drm_crtc_state *old_crtc_state, *new_crtc_state;
struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state;
struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state;
+ struct amdgpu_crtc *new_acrtc;
bool needs_reset;
int ret = 0;
@@ -7857,9 +8121,23 @@ static int dm_update_plane_state(struct dc *dc,
dm_new_plane_state = to_dm_plane_state(new_plane_state);
dm_old_plane_state = to_dm_plane_state(old_plane_state);
- /*TODO Implement atomic check for cursor plane */
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ /*TODO Implement better atomic check for cursor plane */
+ if (plane->type == DRM_PLANE_TYPE_CURSOR) {
+ if (!enable || !new_plane_crtc ||
+ drm_atomic_plane_disabling(plane->state, new_plane_state))
+ return 0;
+
+ new_acrtc = to_amdgpu_crtc(new_plane_crtc);
+
+ if ((new_plane_state->crtc_w > new_acrtc->max_cursor_width) ||
+ (new_plane_state->crtc_h > new_acrtc->max_cursor_height)) {
+ DRM_DEBUG_ATOMIC("Bad cursor size %d x %d\n",
+ new_plane_state->crtc_w, new_plane_state->crtc_h);
+ return -EINVAL;
+ }
+
return 0;
+ }
needs_reset = should_reset_plane(state, plane, old_plane_state,
new_plane_state);
@@ -8034,6 +8312,7 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
struct dc_flip_addrs *flip_addr = &bundle->flip_addrs[num_plane];
struct dc_scaling_info *scaling_info = &bundle->scaling_infos[num_plane];
uint64_t tiling_flags;
+ bool tmz_surface = false;
new_plane_crtc = new_plane_state->crtc;
new_dm_plane_state = to_dm_plane_state(new_plane_state);
@@ -8063,6 +8342,8 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
new_dm_plane_state->dc_state->gamma_correction;
bundle->surface_updates[num_plane].in_transfer_func =
new_dm_plane_state->dc_state->in_transfer_func;
+ bundle->surface_updates[num_plane].gamut_remap_matrix =
+ &new_dm_plane_state->dc_state->gamut_remap_matrix;
bundle->stream_update.gamut_remap =
&new_dm_crtc_state->stream->gamut_remap_matrix;
bundle->stream_update.output_csc_transform =
@@ -8079,14 +8360,15 @@ dm_determine_update_type_for_commit(struct amdgpu_display_manager *dm,
bundle->surface_updates[num_plane].scaling_info = scaling_info;
if (amdgpu_fb) {
- ret = get_fb_info(amdgpu_fb, &tiling_flags);
+ ret = get_fb_info(amdgpu_fb, &tiling_flags, &tmz_surface);
if (ret)
goto cleanup;
ret = fill_dc_plane_info_and_addr(
dm->adev, new_plane_state, tiling_flags,
plane_info,
- &flip_addr->address);
+ &flip_addr->address, tmz_surface,
+ false);
if (ret)
goto cleanup;
@@ -8586,8 +8868,17 @@ static void amdgpu_dm_set_psr_caps(struct dc_link *link)
return;
if (dm_helpers_dp_read_dpcd(NULL, link, DP_PSR_SUPPORT,
dpcd_data, sizeof(dpcd_data))) {
- link->psr_feature_enabled = dpcd_data[0] ? true:false;
- DRM_INFO("PSR support:%d\n", link->psr_feature_enabled);
+ link->dpcd_caps.psr_caps.psr_version = dpcd_data[0];
+
+ if (dpcd_data[0] == 0) {
+ link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+ link->psr_settings.psr_feature_enabled = false;
+ } else {
+ link->psr_settings.psr_version = DC_PSR_VERSION_1;
+ link->psr_settings.psr_feature_enabled = true;
+ }
+
+ DRM_INFO("PSR support:%d\n", link->psr_settings.psr_feature_enabled);
}
}
@@ -8602,16 +8893,14 @@ static bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
struct dc_link *link = NULL;
struct psr_config psr_config = {0};
struct psr_context psr_context = {0};
- struct dc *dc = NULL;
bool ret = false;
if (stream == NULL)
return false;
link = stream->link;
- dc = link->ctx->dc;
- psr_config.psr_version = dc->res_pool->dmcu->dmcu_version.psr_version;
+ psr_config.psr_version = link->dpcd_caps.psr_caps.psr_version;
if (psr_config.psr_version > 0) {
psr_config.psr_exit_link_training_required = 0x1;
@@ -8623,7 +8912,7 @@ static bool amdgpu_dm_link_setup_psr(struct dc_stream_state *stream)
ret = dc_link_setup_psr(link, stream, &psr_config, &psr_context);
}
- DRM_DEBUG_DRIVER("PSR link: %d\n", link->psr_feature_enabled);
+ DRM_DEBUG_DRIVER("PSR link: %d\n", link->psr_settings.psr_feature_enabled);
return ret;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 5cab3e65d992..d61186ff411d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -315,6 +315,7 @@ struct amdgpu_display_manager {
#endif
struct drm_atomic_state *cached_state;
+ struct dc_state *cached_dc_state;
struct dm_comressor_info compressor;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index 2233d293a707..4dfb6b55bb2e 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -239,7 +239,8 @@ static int __set_output_tf(struct dc_transfer_func *func,
* instead to simulate this.
*/
gamma->type = GAMMA_CUSTOM;
- res = mod_color_calculate_degamma_params(func, gamma, true);
+ res = mod_color_calculate_degamma_params(NULL, func,
+ gamma, true);
} else {
/*
* Assume sRGB. The actual mapping will depend on whether the
@@ -271,7 +272,7 @@ static int __set_input_tf(struct dc_transfer_func *func,
__drm_lut_to_dc_gamma(lut, gamma, false);
- res = mod_color_calculate_degamma_params(func, gamma, true);
+ res = mod_color_calculate_degamma_params(NULL, func, gamma, true);
dc_gamma_release(&gamma);
return res ? 0 : -ENOMEM;
@@ -419,9 +420,21 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
struct dc_plane_state *dc_plane_state)
{
const struct drm_color_lut *degamma_lut;
+ enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
uint32_t degamma_size;
int r;
+ /* Get the correct base transfer function for implicit degamma. */
+ switch (dc_plane_state->format) {
+ case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
+ case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
+ /* DC doesn't have a transfer function for BT601 specifically. */
+ tf = TRANSFER_FUNCTION_BT709;
+ break;
+ default:
+ break;
+ }
+
if (crtc->cm_has_degamma) {
degamma_lut = __extract_blob_lut(crtc->base.degamma_lut,
&degamma_size);
@@ -455,8 +468,7 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
* map these to the atomic one instead.
*/
if (crtc->cm_is_degamma_srgb)
- dc_plane_state->in_transfer_func->tf =
- TRANSFER_FUNCTION_SRGB;
+ dc_plane_state->in_transfer_func->tf = tf;
else
dc_plane_state->in_transfer_func->tf =
TRANSFER_FUNCTION_LINEAR;
@@ -471,7 +483,12 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc,
* in linear space. Assume that the input is sRGB.
*/
dc_plane_state->in_transfer_func->type = TF_TYPE_PREDEFINED;
- dc_plane_state->in_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
+ dc_plane_state->in_transfer_func->tf = tf;
+
+ if (tf != TRANSFER_FUNCTION_SRGB &&
+ !mod_color_calculate_degamma_params(NULL,
+ dc_plane_state->in_transfer_func, NULL, false))
+ return -ENOMEM;
} else {
/* ...Otherwise we can just bypass the DGM block. */
dc_plane_state->in_transfer_func->type = TF_TYPE_BYPASS;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index 0461fecd68db..076af267b488 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -32,7 +32,7 @@
#include "amdgpu_dm.h"
#include "amdgpu_dm_debugfs.h"
#include "dm_helpers.h"
-#include "dmub/inc/dmub_srv.h"
+#include "dmub/dmub_srv.h"
struct dmub_debugfs_trace_header {
uint32_t entry_count;
@@ -838,6 +838,44 @@ static int vrr_range_show(struct seq_file *m, void *data)
return 0;
}
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+/*
+ * Returns the HDCP capability of the Display (1.4 for now).
+ *
+ * NOTE* Not all HDMI displays report their HDCP caps even when they are capable.
+ * Since its rare for a display to not be HDCP 1.4 capable, we set HDMI as always capable.
+ *
+ * Example usage: cat /sys/kernel/debug/dri/0/DP-1/hdcp_sink_capability
+ * or cat /sys/kernel/debug/dri/0/HDMI-A-1/hdcp_sink_capability
+ */
+static int hdcp_sink_capability_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
+ bool hdcp_cap, hdcp2_cap;
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ seq_printf(m, "%s:%d HDCP version: ", connector->name, connector->base.id);
+
+ hdcp_cap = dc_link_is_hdcp14(aconnector->dc_link);
+ hdcp2_cap = dc_link_is_hdcp22(aconnector->dc_link);
+
+
+ if (hdcp_cap)
+ seq_printf(m, "%s ", "HDCP1.4");
+ if (hdcp2_cap)
+ seq_printf(m, "%s ", "HDCP2.2");
+
+ if (!hdcp_cap && !hdcp2_cap)
+ seq_printf(m, "%s ", "None");
+
+ seq_puts(m, "\n");
+
+ return 0;
+}
+#endif
/* function description
*
* generic SDP message access for testing
@@ -964,6 +1002,9 @@ DEFINE_SHOW_ATTRIBUTE(dmub_fw_state);
DEFINE_SHOW_ATTRIBUTE(dmub_tracebuffer);
DEFINE_SHOW_ATTRIBUTE(output_bpc);
DEFINE_SHOW_ATTRIBUTE(vrr_range);
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+DEFINE_SHOW_ATTRIBUTE(hdcp_sink_capability);
+#endif
static const struct file_operations dp_link_settings_debugfs_fops = {
.owner = THIS_MODULE,
@@ -1019,12 +1060,23 @@ static const struct {
{"test_pattern", &dp_phy_test_pattern_fops},
{"output_bpc", &output_bpc_fops},
{"vrr_range", &vrr_range_fops},
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ {"hdcp_sink_capability", &hdcp_sink_capability_fops},
+#endif
{"sdp_message", &sdp_message_fops},
{"aux_dpcd_address", &dp_dpcd_address_debugfs_fops},
{"aux_dpcd_size", &dp_dpcd_size_debugfs_fops},
{"aux_dpcd_data", &dp_dpcd_data_debugfs_fops}
};
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+static const struct {
+ char *name;
+ const struct file_operations *fops;
+} hdmi_debugfs_entries[] = {
+ {"hdcp_sink_capability", &hdcp_sink_capability_fops}
+};
+#endif
/*
* Force YUV420 output if available from the given mode
*/
@@ -1093,6 +1145,15 @@ void connector_debugfs_init(struct amdgpu_dm_connector *connector)
connector->debugfs_dpcd_address = 0;
connector->debugfs_dpcd_size = 0;
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+ if (connector->base.connector_type == DRM_MODE_CONNECTOR_HDMIA) {
+ for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_entries); i++) {
+ debugfs_create_file(hdmi_debugfs_entries[i].name,
+ 0644, dir, connector,
+ hdmi_debugfs_entries[i].fops);
+ }
+ }
+#endif
}
/*
@@ -1167,8 +1228,9 @@ static int current_backlight_read(struct seq_file *m, void *data)
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
- struct dc *dc = adev->dm.dc;
- unsigned int backlight = dc_get_current_backlight_pwm(dc);
+ struct amdgpu_display_manager *dm = &adev->dm;
+
+ unsigned int backlight = dc_link_get_backlight_level(dm->backlight_link);
seq_printf(m, "0x%x\n", backlight);
return 0;
@@ -1184,8 +1246,9 @@ static int target_backlight_read(struct seq_file *m, void *data)
struct drm_info_node *node = (struct drm_info_node *)m->private;
struct drm_device *dev = node->minor->dev;
struct amdgpu_device *adev = dev->dev_private;
- struct dc *dc = adev->dm.dc;
- unsigned int backlight = dc_get_target_backlight_pwm(dc);
+ struct amdgpu_display_manager *dm = &adev->dm;
+
+ unsigned int backlight = dc_link_get_target_backlight_pwm(dm->backlight_link);
seq_printf(m, "0x%x\n", backlight);
return 0;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
index 78e1c11d4ae5..dcf84a61de37 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c
@@ -398,15 +398,15 @@ static void update_config(void *handle, struct cp_psp_stream_config *config)
struct mod_hdcp_display *display = &hdcp_work[link_index].display;
struct mod_hdcp_link *link = &hdcp_work[link_index].link;
- memset(display, 0, sizeof(*display));
- memset(link, 0, sizeof(*link));
-
- display->index = aconnector->base.index;
-
if (config->dpms_off) {
hdcp_remove_display(hdcp_work, link_index, aconnector);
return;
}
+
+ memset(display, 0, sizeof(*display));
+ memset(link, 0, sizeof(*link));
+
+ display->index = aconnector->base.index;
display->state = MOD_HDCP_DISPLAY_ACTIVE;
if (aconnector->dc_sink != NULL)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index c20fb08c450b..b086d5c906e0 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -445,7 +445,7 @@ bool dm_helpers_dp_read_dpcd(
struct amdgpu_dm_connector *aconnector = link->priv;
if (!aconnector) {
- DRM_ERROR("Failed to find connector for link!");
+ DC_LOG_DC("Failed to find connector for link!\n");
return false;
}
@@ -554,6 +554,7 @@ enum dc_edid_status dm_helpers_read_local_edid(
struct dc_sink *sink)
{
struct amdgpu_dm_connector *aconnector = link->priv;
+ struct drm_connector *connector = &aconnector->base;
struct i2c_adapter *ddc;
int retry = 3;
enum dc_edid_status edid_status;
@@ -571,6 +572,15 @@ enum dc_edid_status dm_helpers_read_local_edid(
edid = drm_get_edid(&aconnector->base, ddc);
+ /* DP Compliance Test 4.2.2.6 */
+ if (link->aux_mode && connector->edid_corrupt)
+ drm_dp_send_real_edid_checksum(&aconnector->dm_dp_aux.aux, connector->real_edid_checksum);
+
+ if (!edid && connector->edid_corrupt) {
+ connector->edid_corrupt = false;
+ return EDID_BAD_CHECKSUM;
+ }
+
if (!edid)
return EDID_NO_RESPONSE;
@@ -605,34 +615,10 @@ enum dc_edid_status dm_helpers_read_local_edid(
DRM_ERROR("EDID err: %d, on connector: %s",
edid_status,
aconnector->base.name);
- if (link->aux_mode) {
- union test_request test_request = { {0} };
- union test_response test_response = { {0} };
-
- dm_helpers_dp_read_dpcd(ctx,
- link,
- DP_TEST_REQUEST,
- &test_request.raw,
- sizeof(union test_request));
-
- if (!test_request.bits.EDID_READ)
- return edid_status;
- test_response.bits.EDID_CHECKSUM_WRITE = 1;
-
- dm_helpers_dp_write_dpcd(ctx,
- link,
- DP_TEST_EDID_CHECKSUM,
- &sink->dc_edid.raw_edid[sink->dc_edid.length-1],
- 1);
-
- dm_helpers_dp_write_dpcd(ctx,
- link,
- DP_TEST_RESPONSE,
- &test_response.raw,
- sizeof(test_response));
-
- }
+ /* DP Compliance Test 4.2.2.3 */
+ if (link->aux_mode)
+ drm_dp_send_real_edid_checksum(&aconnector->dm_dp_aux.aux, sink->dc_edid.raw_edid[sink->dc_edid.length-1]);
return edid_status;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index fabbe78d5aef..ae0a7ef1d595 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -41,53 +41,10 @@
#include "amdgpu_dm_debugfs.h"
#endif
-
#if defined(CONFIG_DRM_AMD_DC_DCN)
#include "dc/dcn20/dcn20_resource.h"
#endif
-/* #define TRACE_DPCD */
-
-#ifdef TRACE_DPCD
-#define SIDE_BAND_MSG(address) (address >= DP_SIDEBAND_MSG_DOWN_REQ_BASE && address < DP_SINK_COUNT_ESI)
-
-static inline char *side_band_msg_type_to_str(uint32_t address)
-{
- static char str[10] = {0};
-
- if (address < DP_SIDEBAND_MSG_UP_REP_BASE)
- strcpy(str, "DOWN_REQ");
- else if (address < DP_SIDEBAND_MSG_DOWN_REP_BASE)
- strcpy(str, "UP_REP");
- else if (address < DP_SIDEBAND_MSG_UP_REQ_BASE)
- strcpy(str, "DOWN_REP");
- else
- strcpy(str, "UP_REQ");
-
- return str;
-}
-
-static void log_dpcd(uint8_t type,
- uint32_t address,
- uint8_t *data,
- uint32_t size,
- bool res)
-{
- DRM_DEBUG_KMS("Op: %s, addr: %04x, SideBand Msg: %s, Op res: %s\n",
- (type == DP_AUX_NATIVE_READ) ||
- (type == DP_AUX_I2C_READ) ?
- "Read" : "Write",
- address,
- SIDE_BAND_MSG(address) ?
- side_band_msg_type_to_str(address) : "Nop",
- res ? "OK" : "Fail");
-
- if (res) {
- print_hex_dump(KERN_INFO, "Body: ", DUMP_PREFIX_NONE, 16, 1, data, size, false);
- }
-}
-#endif
-
static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
struct drm_dp_aux_msg *msg)
{
@@ -136,17 +93,23 @@ static ssize_t dm_dp_aux_transfer(struct drm_dp_aux *aux,
static void
dm_dp_mst_connector_destroy(struct drm_connector *connector)
{
- struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector);
- struct amdgpu_encoder *amdgpu_encoder = amdgpu_dm_connector->mst_encoder;
+ struct amdgpu_dm_connector *aconnector =
+ to_amdgpu_dm_connector(connector);
+ struct amdgpu_encoder *amdgpu_encoder = aconnector->mst_encoder;
- kfree(amdgpu_dm_connector->edid);
- amdgpu_dm_connector->edid = NULL;
+ if (aconnector->dc_sink) {
+ dc_link_remove_remote_sink(aconnector->dc_link,
+ aconnector->dc_sink);
+ dc_sink_release(aconnector->dc_sink);
+ }
+
+ kfree(aconnector->edid);
drm_encoder_cleanup(&amdgpu_encoder->base);
kfree(amdgpu_encoder);
drm_connector_cleanup(connector);
- drm_dp_mst_put_port_malloc(amdgpu_dm_connector->port);
- kfree(amdgpu_dm_connector);
+ drm_dp_mst_put_port_malloc(aconnector->port);
+ kfree(aconnector);
}
static int
@@ -156,16 +119,16 @@ amdgpu_dm_mst_connector_late_register(struct drm_connector *connector)
to_amdgpu_dm_connector(connector);
int r;
- amdgpu_dm_connector->dm_dp_aux.aux.dev = connector->kdev;
- r = drm_dp_aux_register(&amdgpu_dm_connector->dm_dp_aux.aux);
- if (r)
+ r = drm_dp_mst_connector_late_register(connector,
+ amdgpu_dm_connector->port);
+ if (r < 0)
return r;
#if defined(CONFIG_DEBUG_FS)
connector_debugfs_init(amdgpu_dm_connector);
#endif
- return r;
+ return 0;
}
static void
@@ -435,46 +398,22 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
*/
amdgpu_dm_connector_funcs_reset(connector);
- DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n",
- aconnector, connector->base.id, aconnector->mst_port);
-
drm_dp_mst_get_port_malloc(port);
- DRM_DEBUG_KMS(":%d\n", connector->base.id);
-
return connector;
}
-static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_connector *connector)
-{
- struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
-
- DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n",
- aconnector, connector->base.id, aconnector->mst_port);
-
- if (aconnector->dc_sink) {
- amdgpu_dm_update_freesync_caps(connector, NULL);
- dc_link_remove_remote_sink(aconnector->dc_link,
- aconnector->dc_sink);
- dc_sink_release(aconnector->dc_sink);
- aconnector->dc_sink = NULL;
- aconnector->dc_link->cur_link_settings.lane_count = 0;
- }
-
- drm_connector_unregister(connector);
- drm_connector_put(connector);
-}
-
static const struct drm_dp_mst_topology_cbs dm_mst_cbs = {
.add_connector = dm_dp_add_mst_connector,
- .destroy_connector = dm_dp_destroy_mst_connector,
};
void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
- struct amdgpu_dm_connector *aconnector)
+ struct amdgpu_dm_connector *aconnector,
+ int link_index)
{
- aconnector->dm_dp_aux.aux.name = "dmdc";
+ aconnector->dm_dp_aux.aux.name =
+ kasprintf(GFP_KERNEL, "AMDGPU DM aux hw bus %d",
+ link_index);
aconnector->dm_dp_aux.aux.transfer = dm_dp_aux_transfer;
aconnector->dm_dp_aux.ddc_service = aconnector->dc_link->ddc;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
index d6813ce67bbd..d2c56579a2cc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
@@ -32,7 +32,8 @@ struct amdgpu_dm_connector;
int dm_mst_get_pbn_divider(struct dc_link *link);
void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
- struct amdgpu_dm_connector *aconnector);
+ struct amdgpu_dm_connector *aconnector,
+ int link_index);
#if defined(CONFIG_DRM_AMD_DC_DCN)
bool compute_mst_dsc_configs_for_state(struct drm_atomic_state *state,
diff --git a/drivers/gpu/drm/amd/display/dc/basics/Makefile b/drivers/gpu/drm/amd/display/dc/basics/Makefile
index 7ad0cad0f4ef..01b99e0d788e 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/basics/Makefile
@@ -24,8 +24,7 @@
# It provides the general basic services required by other DAL
# subcomponents.
-BASICS = conversion.o fixpt31_32.o \
- log_helpers.o vector.o dc_common.o
+BASICS = conversion.o fixpt31_32.o vector.o dc_common.o
AMD_DAL_BASICS = $(addprefix $(AMDDALPATH)/dc/basics/,$(BASICS))
diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
index 8edc2506d49e..bed91572f82a 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/command_table2.c
@@ -113,13 +113,19 @@ static void encoder_control_dmcub(
struct dc_dmub_srv *dmcub,
struct dig_encoder_stream_setup_parameters_v1_5 *dig)
{
- struct dmub_rb_cmd_digx_encoder_control encoder_control = { 0 };
+ union dmub_rb_cmd cmd;
- encoder_control.header.type = DMUB_CMD__VBIOS;
- encoder_control.header.sub_type = DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL;
- encoder_control.encoder_control.dig.stream_param = *dig;
+ memset(&cmd, 0, sizeof(cmd));
- dc_dmub_srv_cmd_queue(dmcub, &encoder_control.header);
+ cmd.digx_encoder_control.header.type = DMUB_CMD__VBIOS;
+ cmd.digx_encoder_control.header.sub_type =
+ DMUB_CMD__VBIOS_DIGX_ENCODER_CONTROL;
+ cmd.digx_encoder_control.header.payload_bytes =
+ sizeof(cmd.digx_encoder_control) -
+ sizeof(cmd.digx_encoder_control.header);
+ cmd.digx_encoder_control.encoder_control.dig.stream_param = *dig;
+
+ dc_dmub_srv_cmd_queue(dmcub, &cmd);
dc_dmub_srv_cmd_execute(dmcub);
dc_dmub_srv_wait_idle(dmcub);
}
@@ -238,14 +244,19 @@ static void transmitter_control_dmcub(
struct dc_dmub_srv *dmcub,
struct dig_transmitter_control_parameters_v1_6 *dig)
{
- struct dmub_rb_cmd_dig1_transmitter_control transmitter_control;
+ union dmub_rb_cmd cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
- transmitter_control.header.type = DMUB_CMD__VBIOS;
- transmitter_control.header.sub_type =
+ cmd.dig1_transmitter_control.header.type = DMUB_CMD__VBIOS;
+ cmd.dig1_transmitter_control.header.sub_type =
DMUB_CMD__VBIOS_DIG1_TRANSMITTER_CONTROL;
- transmitter_control.transmitter_control.dig = *dig;
+ cmd.dig1_transmitter_control.header.payload_bytes =
+ sizeof(cmd.dig1_transmitter_control) -
+ sizeof(cmd.dig1_transmitter_control.header);
+ cmd.dig1_transmitter_control.transmitter_control.dig = *dig;
- dc_dmub_srv_cmd_queue(dmcub, &transmitter_control.header);
+ dc_dmub_srv_cmd_queue(dmcub, &cmd);
dc_dmub_srv_cmd_execute(dmcub);
dc_dmub_srv_wait_idle(dmcub);
}
@@ -339,13 +350,18 @@ static void set_pixel_clock_dmcub(
struct dc_dmub_srv *dmcub,
struct set_pixel_clock_parameter_v1_7 *clk)
{
- struct dmub_rb_cmd_set_pixel_clock pixel_clock = { 0 };
+ union dmub_rb_cmd cmd;
- pixel_clock.header.type = DMUB_CMD__VBIOS;
- pixel_clock.header.sub_type = DMUB_CMD__VBIOS_SET_PIXEL_CLOCK;
- pixel_clock.pixel_clock.clk = *clk;
+ memset(&cmd, 0, sizeof(cmd));
- dc_dmub_srv_cmd_queue(dmcub, &pixel_clock.header);
+ cmd.set_pixel_clock.header.type = DMUB_CMD__VBIOS;
+ cmd.set_pixel_clock.header.sub_type = DMUB_CMD__VBIOS_SET_PIXEL_CLOCK;
+ cmd.set_pixel_clock.header.payload_bytes =
+ sizeof(cmd.set_pixel_clock) -
+ sizeof(cmd.set_pixel_clock.header);
+ cmd.set_pixel_clock.pixel_clock.clk = *clk;
+
+ dc_dmub_srv_cmd_queue(dmcub, &cmd);
dc_dmub_srv_cmd_execute(dmcub);
dc_dmub_srv_wait_idle(dmcub);
}
@@ -705,13 +721,19 @@ static void enable_disp_power_gating_dmcub(
struct dc_dmub_srv *dmcub,
struct enable_disp_power_gating_parameters_v2_1 *pwr)
{
- struct dmub_rb_cmd_enable_disp_power_gating power_gating;
+ union dmub_rb_cmd cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
- power_gating.header.type = DMUB_CMD__VBIOS;
- power_gating.header.sub_type = DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING;
- power_gating.power_gating.pwr = *pwr;
+ cmd.enable_disp_power_gating.header.type = DMUB_CMD__VBIOS;
+ cmd.enable_disp_power_gating.header.sub_type =
+ DMUB_CMD__VBIOS_ENABLE_DISP_POWER_GATING;
+ cmd.enable_disp_power_gating.header.payload_bytes =
+ sizeof(cmd.enable_disp_power_gating) -
+ sizeof(cmd.enable_disp_power_gating.header);
+ cmd.enable_disp_power_gating.power_gating.pwr = *pwr;
- dc_dmub_srv_cmd_queue(dmcub, &power_gating.header);
+ dc_dmub_srv_cmd_queue(dmcub, &cmd);
dc_dmub_srv_cmd_execute(dmcub);
dc_dmub_srv_wait_idle(dmcub);
}
diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 3960a8db94cb..1e5a92b192a1 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -690,6 +690,26 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,
struct dc_debug_options *dbg,
struct dc_state *context)
{
+ int i;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+
+ /**
+ * Workaround for avoiding pipe-split in cases where we'd split
+ * planes that are too small, resulting in splits that aren't
+ * valid for the scaler.
+ */
+ if (pipe->plane_state &&
+ (pipe->plane_state->dst_rect.width <= 16 ||
+ pipe->plane_state->dst_rect.height <= 16 ||
+ pipe->plane_state->src_rect.width <= 16 ||
+ pipe->plane_state->src_rect.height <= 16)) {
+ hack_disable_optional_pipe_split(v);
+ return;
+ }
+ }
+
if (dbg->pipe_split_policy == MPC_SPLIT_AVOID)
hack_disable_optional_pipe_split(v);
@@ -702,7 +722,6 @@ static void hack_bounding_box(struct dcn_bw_internal_vars *v,
hack_force_pipe_split(v, context->streams[0]->timing.pix_clk_100hz);
}
-
unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev, uint32_t pci_revision_id)
{
/* for low power RV2 variants, the highest voltage level we want is 0 */
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
index 8ec2dfe45d40..a5c2114e4292 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
@@ -90,7 +90,7 @@ void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_m
dc->hwss.exit_optimized_pwr_state(dc, dc->current_state);
if (edp_link) {
- clk_mgr->psr_allow_active_cache = edp_link->psr_allow_active;
+ clk_mgr->psr_allow_active_cache = edp_link->psr_settings.psr_allow_active;
dc_link_set_psr_allow_active(edp_link, false, false);
}
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
index 26db1c5d4e4d..b210f8e9d592 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dce100/dce_clk_mgr.c
@@ -131,7 +131,7 @@ int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base)
struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
int dprefclk_wdivider;
int dprefclk_src_sel;
- int dp_ref_clk_khz = 600000;
+ int dp_ref_clk_khz;
int target_div;
/* ASSERT DP Reference Clock source is from DFS*/
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
index 97b7f32294fd..c320b7af7d34 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn10/rv1_clk_mgr_vbios_smu.c
@@ -97,9 +97,6 @@ int rv1_vbios_smu_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_di
VBIOSSMC_MSG_SetDispclkFreq,
requested_dispclk_khz / 1000);
- /* Actual dispclk set is returned in the parameter register */
- actual_dispclk_set_mhz = REG_READ(MP1_SMN_C2PMSG_83) * 1000;
-
if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
if (clk_mgr->dfs_bypass_disp_clk != actual_dispclk_set_mhz)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 8489f1e56892..45cfb7c45566 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -66,6 +66,8 @@
#include "dce/dce_i2c.h"
+#include "dmub/dmub_srv.h"
+
#define CTX \
dc->ctx
@@ -348,7 +350,7 @@ bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream,
for (i = 0; i < MAX_PIPES; i++) {
pipe = &dc->current_state->res_ctx.pipe_ctx[i];
- if (pipe->stream == stream)
+ if (pipe->stream == stream && !pipe->top_pipe && !pipe->prev_odm_pipe)
break;
}
/* Stream not found */
@@ -365,6 +367,9 @@ bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream,
param.windowb_x_end = pipe->stream->timing.h_addressable;
param.windowb_y_end = pipe->stream->timing.v_addressable;
+ param.dsc_mode = pipe->stream->timing.flags.DSC ? 1:0;
+ param.odm_mode = pipe->next_odm_pipe ? 1:0;
+
/* Default to the union of both windows */
param.selection = UNION_WINDOW_A_B;
param.continuous_mode = continuous;
@@ -834,11 +839,10 @@ static void disable_dangling_plane(struct dc *dc, struct dc_state *context)
static void wait_for_no_pipes_pending(struct dc *dc, struct dc_state *context)
{
int i;
- int count = 0;
- struct pipe_ctx *pipe;
PERF_TRACE();
for (i = 0; i < MAX_PIPES; i++) {
- pipe = &context->res_ctx.pipe_ctx[i];
+ int count = 0;
+ struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
if (!pipe->plane_state)
continue;
@@ -2205,7 +2209,7 @@ static void commit_planes_do_stream_update(struct dc *dc,
if (should_program_abm) {
if (*stream_update->abm_level == ABM_LEVEL_IMMEDIATE_DISABLE) {
- pipe_ctx->stream_res.abm->funcs->set_abm_immediate_disable(pipe_ctx->stream_res.abm);
+ dc->hwss.set_abm_immediate_disable(pipe_ctx);
} else {
pipe_ctx->stream_res.abm->funcs->set_abm_level(
pipe_ctx->stream_res.abm, stream->abm_level);
@@ -2641,33 +2645,12 @@ void dc_set_power_state(
void dc_resume(struct dc *dc)
{
-
uint32_t i;
for (i = 0; i < dc->link_count; i++)
core_link_resume(dc->links[i]);
}
-unsigned int dc_get_current_backlight_pwm(struct dc *dc)
-{
- struct abm *abm = dc->res_pool->abm;
-
- if (abm)
- return abm->funcs->get_current_backlight(abm);
-
- return 0;
-}
-
-unsigned int dc_get_target_backlight_pwm(struct dc *dc)
-{
- struct abm *abm = dc->res_pool->abm;
-
- if (abm)
- return abm->funcs->get_target_backlight(abm);
-
- return 0;
-}
-
bool dc_is_dmcu_initialized(struct dc *dc)
{
struct dmcu *dmcu = dc->res_pool->dmcu;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 67cfff1586e9..48ab51533d5d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -26,7 +26,7 @@
#include <linux/slab.h>
#include "dm_services.h"
-#include "atom.h"
+#include "atomfirmware.h"
#include "dm_helpers.h"
#include "dc.h"
#include "grph_object_id.h"
@@ -46,10 +46,11 @@
#include "dmcu.h"
#include "hw/clk_mgr.h"
#include "dce/dmub_psr.h"
+#include "dmub/dmub_srv.h"
+#include "inc/hw/panel_cntl.h"
#define DC_LOGGER_INIT(logger)
-
#define LINK_INFO(...) \
DC_LOG_HW_HOTPLUG( \
__VA_ARGS__)
@@ -64,11 +65,11 @@
enum {
PEAK_FACTOR_X1000 = 1006,
/*
- * Some receivers fail to train on first try and are good
- * on subsequent tries. 2 retries should be plenty. If we
- * don't have a successful training then we don't expect to
- * ever get one.
- */
+ * Some receivers fail to train on first try and are good
+ * on subsequent tries. 2 retries should be plenty. If we
+ * don't have a successful training then we don't expect to
+ * ever get one.
+ */
LINK_TRAINING_MAX_VERIFY_RETRY = 2
};
@@ -79,7 +80,7 @@ static void dc_link_destruct(struct dc_link *link)
{
int i;
- if (link->hpd_gpio != NULL) {
+ if (link->hpd_gpio) {
dal_gpio_destroy_irq(&link->hpd_gpio);
link->hpd_gpio = NULL;
}
@@ -87,7 +88,10 @@ static void dc_link_destruct(struct dc_link *link)
if (link->ddc)
dal_ddc_service_destroy(&link->ddc);
- if(link->link_enc)
+ if (link->panel_cntl)
+ link->panel_cntl->funcs->destroy(&link->panel_cntl);
+
+ if (link->link_enc)
link->link_enc->funcs->destroy(&link->link_enc);
if (link->local_sink)
@@ -98,8 +102,8 @@ static void dc_link_destruct(struct dc_link *link)
}
struct gpio *get_hpd_gpio(struct dc_bios *dcb,
- struct graphics_object_id link_id,
- struct gpio_service *gpio_service)
+ struct graphics_object_id link_id,
+ struct gpio_service *gpio_service)
{
enum bp_result bp_result;
struct graphics_object_hpd_info hpd_info;
@@ -116,10 +120,9 @@ struct gpio *get_hpd_gpio(struct dc_bios *dcb,
return NULL;
}
- return dal_gpio_service_create_irq(
- gpio_service,
- pin_info.offset,
- pin_info.mask);
+ return dal_gpio_service_create_irq(gpio_service,
+ pin_info.offset,
+ pin_info.mask);
}
/*
@@ -134,13 +137,10 @@ struct gpio *get_hpd_gpio(struct dc_bios *dcb,
* @return
* true on success, false otherwise
*/
-static bool program_hpd_filter(
- const struct dc_link *link)
+static bool program_hpd_filter(const struct dc_link *link)
{
bool result = false;
-
struct gpio *hpd;
-
int delay_on_connect_in_ms = 0;
int delay_on_disconnect_in_ms = 0;
@@ -159,10 +159,10 @@ static bool program_hpd_filter(
case SIGNAL_TYPE_DISPLAY_PORT_MST:
/* Program hpd filter to allow DP signal to settle */
/* 500: not able to detect MST <-> SST switch as HPD is low for
- * only 100ms on DELL U2413
- * 0: some passive dongle still show aux mode instead of i2c
- * 20-50:not enough to hide bouncing HPD with passive dongle.
- * also see intermittent i2c read issues.
+ * only 100ms on DELL U2413
+ * 0: some passive dongle still show aux mode instead of i2c
+ * 20-50: not enough to hide bouncing HPD with passive dongle.
+ * also see intermittent i2c read issues.
*/
delay_on_connect_in_ms = 80;
delay_on_disconnect_in_ms = 0;
@@ -175,7 +175,8 @@ static bool program_hpd_filter(
}
/* Obtain HPD handle */
- hpd = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service);
+ hpd = get_hpd_gpio(link->ctx->dc_bios, link->link_id,
+ link->ctx->gpio_service);
if (!hpd)
return result;
@@ -226,8 +227,9 @@ bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type)
}
/* todo: may need to lock gpio access */
- hpd_pin = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service);
- if (hpd_pin == NULL)
+ hpd_pin = get_hpd_gpio(link->ctx->dc_bios, link->link_id,
+ link->ctx->gpio_service);
+ if (!hpd_pin)
goto hpd_gpio_failure;
dal_gpio_open(hpd_pin, GPIO_MODE_INTERRUPT);
@@ -248,8 +250,7 @@ hpd_gpio_failure:
return false;
}
-static enum ddc_transaction_type get_ddc_transaction_type(
- enum signal_type sink_signal)
+static enum ddc_transaction_type get_ddc_transaction_type(enum signal_type sink_signal)
{
enum ddc_transaction_type transaction_type = DDC_TRANSACTION_TYPE_NONE;
@@ -270,7 +271,8 @@ static enum ddc_transaction_type get_ddc_transaction_type(
case SIGNAL_TYPE_DISPLAY_PORT_MST:
/* MST does not use I2COverAux, but there is the
* SPECIAL use case for "immediate dwnstrm device
- * access" (EPR#370830). */
+ * access" (EPR#370830).
+ */
transaction_type = DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
break;
@@ -281,9 +283,8 @@ static enum ddc_transaction_type get_ddc_transaction_type(
return transaction_type;
}
-static enum signal_type get_basic_signal_type(
- struct graphics_object_id encoder,
- struct graphics_object_id downstream)
+static enum signal_type get_basic_signal_type(struct graphics_object_id encoder,
+ struct graphics_object_id downstream)
{
if (downstream.type == OBJECT_TYPE_CONNECTOR) {
switch (downstream.id) {
@@ -369,10 +370,11 @@ bool dc_link_is_dp_sink_present(struct dc_link *link)
/* Open GPIO and set it to I2C mode */
/* Note: this GpioMode_Input will be converted
* to GpioConfigType_I2cAuxDualMode in GPIO component,
- * which indicates we need additional delay */
+ * which indicates we need additional delay
+ */
- if (GPIO_RESULT_OK != dal_ddc_open(
- ddc, GPIO_MODE_INPUT, GPIO_DDC_CONFIG_TYPE_MODE_I2C)) {
+ if (dal_ddc_open(ddc, GPIO_MODE_INPUT,
+ GPIO_DDC_CONFIG_TYPE_MODE_I2C) != GPIO_RESULT_OK) {
dal_ddc_close(ddc);
return present;
@@ -406,25 +408,25 @@ bool dc_link_is_dp_sink_present(struct dc_link *link)
* @brief
* Detect output sink type
*/
-static enum signal_type link_detect_sink(
- struct dc_link *link,
- enum dc_detect_reason reason)
+static enum signal_type link_detect_sink(struct dc_link *link,
+ enum dc_detect_reason reason)
{
- enum signal_type result = get_basic_signal_type(
- link->link_enc->id, link->link_id);
+ enum signal_type result = get_basic_signal_type(link->link_enc->id,
+ link->link_id);
/* Internal digital encoder will detect only dongles
- * that require digital signal */
+ * that require digital signal
+ */
/* Detection mechanism is different
* for different native connectors.
* LVDS connector supports only LVDS signal;
* PCIE is a bus slot, the actual connector needs to be detected first;
* eDP connector supports only eDP signal;
- * HDMI should check straps for audio */
+ * HDMI should check straps for audio
+ */
/* PCIE detects the actual connector on add-on board */
-
if (link->link_id.id == CONNECTOR_ID_PCIE) {
/* ZAZTODO implement PCIE add-on card detection */
}
@@ -432,8 +434,10 @@ static enum signal_type link_detect_sink(
switch (link->link_id.id) {
case CONNECTOR_ID_HDMI_TYPE_A: {
/* check audio support:
- * if native HDMI is not supported, switch to DVI */
- struct audio_support *aud_support = &link->dc->res_pool->audio_support;
+ * if native HDMI is not supported, switch to DVI
+ */
+ struct audio_support *aud_support =
+ &link->dc->res_pool->audio_support;
if (!aud_support->hdmi_audio_native)
if (link->link_id.id == CONNECTOR_ID_HDMI_TYPE_A)
@@ -461,16 +465,15 @@ static enum signal_type link_detect_sink(
return result;
}
-static enum signal_type decide_signal_from_strap_and_dongle_type(
- enum display_dongle_type dongle_type,
- struct audio_support *audio_support)
+static enum signal_type decide_signal_from_strap_and_dongle_type(enum display_dongle_type dongle_type,
+ struct audio_support *audio_support)
{
enum signal_type signal = SIGNAL_TYPE_NONE;
switch (dongle_type) {
case DISPLAY_DONGLE_DP_HDMI_DONGLE:
if (audio_support->hdmi_audio_on_dongle)
- signal = SIGNAL_TYPE_HDMI_TYPE_A;
+ signal = SIGNAL_TYPE_HDMI_TYPE_A;
else
signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
break;
@@ -491,16 +494,14 @@ static enum signal_type decide_signal_from_strap_and_dongle_type(
return signal;
}
-static enum signal_type dp_passive_dongle_detection(
- struct ddc_service *ddc,
- struct display_sink_capability *sink_cap,
- struct audio_support *audio_support)
+static enum signal_type dp_passive_dongle_detection(struct ddc_service *ddc,
+ struct display_sink_capability *sink_cap,
+ struct audio_support *audio_support)
{
- dal_ddc_service_i2c_query_dp_dual_mode_adaptor(
- ddc, sink_cap);
- return decide_signal_from_strap_and_dongle_type(
- sink_cap->dongle_type,
- audio_support);
+ dal_ddc_service_i2c_query_dp_dual_mode_adaptor(ddc, sink_cap);
+
+ return decide_signal_from_strap_and_dongle_type(sink_cap->dongle_type,
+ audio_support);
}
static void link_disconnect_sink(struct dc_link *link)
@@ -519,6 +520,96 @@ static void link_disconnect_remap(struct dc_sink *prev_sink, struct dc_link *lin
link->local_sink = prev_sink;
}
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+bool dc_link_is_hdcp14(struct dc_link *link)
+{
+ bool ret = false;
+
+ switch (link->connector_signal) {
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ ret = link->hdcp_caps.bcaps.bits.HDCP_CAPABLE;
+ break;
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ /* HDMI doesn't tell us its HDCP(1.4) capability, so assume to always be capable,
+ * we can poll for bksv but some displays have an issue with this. Since its so rare
+ * for a display to not be 1.4 capable, this assumtion is ok
+ */
+ ret = true;
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+bool dc_link_is_hdcp22(struct dc_link *link)
+{
+ bool ret = false;
+
+ switch (link->connector_signal) {
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ ret = (link->hdcp_caps.bcaps.bits.HDCP_CAPABLE &&
+ link->hdcp_caps.rx_caps.fields.byte0.hdcp_capable &&
+ (link->hdcp_caps.rx_caps.fields.version == 0x2)) ? 1 : 0;
+ break;
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ ret = (link->hdcp_caps.rx_caps.fields.version == 0x4) ? 1:0;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void query_hdcp_capability(enum signal_type signal, struct dc_link *link)
+{
+ struct hdcp_protection_message msg22;
+ struct hdcp_protection_message msg14;
+
+ memset(&msg22, 0, sizeof(struct hdcp_protection_message));
+ memset(&msg14, 0, sizeof(struct hdcp_protection_message));
+ memset(link->hdcp_caps.rx_caps.raw, 0,
+ sizeof(link->hdcp_caps.rx_caps.raw));
+
+ if ((link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
+ link->ddc->transaction_type ==
+ DDC_TRANSACTION_TYPE_I2C_OVER_AUX) ||
+ link->connector_signal == SIGNAL_TYPE_EDP) {
+ msg22.data = link->hdcp_caps.rx_caps.raw;
+ msg22.length = sizeof(link->hdcp_caps.rx_caps.raw);
+ msg22.msg_id = HDCP_MESSAGE_ID_RX_CAPS;
+ } else {
+ msg22.data = &link->hdcp_caps.rx_caps.fields.version;
+ msg22.length = sizeof(link->hdcp_caps.rx_caps.fields.version);
+ msg22.msg_id = HDCP_MESSAGE_ID_HDCP2VERSION;
+ }
+ msg22.version = HDCP_VERSION_22;
+ msg22.link = HDCP_LINK_PRIMARY;
+ msg22.max_retries = 5;
+ dc_process_hdcp_msg(signal, link, &msg22);
+
+ if (signal == SIGNAL_TYPE_DISPLAY_PORT || signal == SIGNAL_TYPE_DISPLAY_PORT_MST) {
+ enum hdcp_message_status status = HDCP_MESSAGE_UNSUPPORTED;
+
+ msg14.data = &link->hdcp_caps.bcaps.raw;
+ msg14.length = sizeof(link->hdcp_caps.bcaps.raw);
+ msg14.msg_id = HDCP_MESSAGE_ID_READ_BCAPS;
+ msg14.version = HDCP_VERSION_14;
+ msg14.link = HDCP_LINK_PRIMARY;
+ msg14.max_retries = 5;
+
+ status = dc_process_hdcp_msg(signal, link, &msg14);
+ }
+
+}
+#endif
static void read_current_link_settings_on_detect(struct dc_link *link)
{
@@ -532,18 +623,18 @@ static void read_current_link_settings_on_detect(struct dc_link *link)
// Read DPCD 00101h to find out the number of lanes currently set
for (i = 0; i < read_dpcd_retry_cnt; i++) {
- status = core_link_read_dpcd(
- link,
- DP_LANE_COUNT_SET,
- &lane_count_set.raw,
- sizeof(lane_count_set));
+ status = core_link_read_dpcd(link,
+ DP_LANE_COUNT_SET,
+ &lane_count_set.raw,
+ sizeof(lane_count_set));
/* First DPCD read after VDD ON can fail if the particular board
* does not have HPD pin wired correctly. So if DPCD read fails,
* which it should never happen, retry a few times. Target worst
* case scenario of 80 ms.
*/
if (status == DC_OK) {
- link->cur_link_settings.lane_count = lane_count_set.bits.LANE_COUNT_SET;
+ link->cur_link_settings.lane_count =
+ lane_count_set.bits.LANE_COUNT_SET;
break;
}
@@ -552,7 +643,7 @@ static void read_current_link_settings_on_detect(struct dc_link *link)
// Read DPCD 00100h to find if standard link rates are set
core_link_read_dpcd(link, DP_LINK_BW_SET,
- &link_bw_set, sizeof(link_bw_set));
+ &link_bw_set, sizeof(link_bw_set));
if (link_bw_set == 0) {
if (link->connector_signal == SIGNAL_TYPE_EDP) {
@@ -560,12 +651,12 @@ static void read_current_link_settings_on_detect(struct dc_link *link)
* Read DPCD 00115h to find the edp link rate set used
*/
core_link_read_dpcd(link, DP_LINK_RATE_SET,
- &link_rate_set, sizeof(link_rate_set));
+ &link_rate_set, sizeof(link_rate_set));
// edp_supported_link_rates_count = 0 for DP
if (link_rate_set < link->dpcd_caps.edp_supported_link_rates_count) {
link->cur_link_settings.link_rate =
- link->dpcd_caps.edp_supported_link_rates[link_rate_set];
+ link->dpcd_caps.edp_supported_link_rates[link_rate_set];
link->cur_link_settings.link_rate_set = link_rate_set;
link->cur_link_settings.use_link_rate_set = true;
}
@@ -579,7 +670,7 @@ static void read_current_link_settings_on_detect(struct dc_link *link)
}
// Read DPCD 00003h to find the max down spread.
core_link_read_dpcd(link, DP_MAX_DOWNSPREAD,
- &max_down_spread.raw, sizeof(max_down_spread));
+ &max_down_spread.raw, sizeof(max_down_spread));
link->cur_link_settings.link_spread =
max_down_spread.bits.MAX_DOWN_SPREAD ?
LINK_SPREAD_05_DOWNSPREAD_30KHZ : LINK_SPREAD_DISABLED;
@@ -612,6 +703,12 @@ static bool detect_dp(struct dc_link *link,
dal_ddc_service_set_transaction_type(link->ddc,
sink_caps->transaction_type);
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+ /* In case of fallback to SST when topology discovery below fails
+ * HDCP caps will be querried again later by the upper layer (caller
+ * of this function). */
+ query_hdcp_capability(SIGNAL_TYPE_DISPLAY_PORT_MST, link);
+#endif
/*
* This call will initiate MST topology discovery. Which
* will detect MST ports and add new DRM connector DRM
@@ -683,12 +780,12 @@ static bool is_same_edid(struct dc_edid *old_edid, struct dc_edid *new_edid)
if (new_edid->length == 0)
return false;
- return (memcmp(old_edid->raw_edid, new_edid->raw_edid, new_edid->length) == 0);
+ return (memcmp(old_edid->raw_edid,
+ new_edid->raw_edid, new_edid->length) == 0);
}
-static bool wait_for_alt_mode(struct dc_link *link)
+static bool wait_for_entering_dp_alt_mode(struct dc_link *link)
{
-
/**
* something is terribly wrong if time out is > 200ms. (5Hz)
* 500 microseconds * 400 tries us 200 ms
@@ -703,7 +800,7 @@ static bool wait_for_alt_mode(struct dc_link *link)
DC_LOGGER_INIT(link->ctx->logger);
- if (link->link_enc->funcs->is_in_alt_mode == NULL)
+ if (!link->link_enc->funcs->is_in_alt_mode)
return true;
is_in_alt_mode = link->link_enc->funcs->is_in_alt_mode(link->link_enc);
@@ -718,21 +815,21 @@ static bool wait_for_alt_mode(struct dc_link *link)
udelay(sleep_time_in_microseconds);
/* ask the link if alt mode is enabled, if so return ok */
if (link->link_enc->funcs->is_in_alt_mode(link->link_enc)) {
-
finish_timestamp = dm_get_timestamp(link->ctx);
- time_taken_in_ns = dm_get_elapse_time_in_ns(
- link->ctx, finish_timestamp, enter_timestamp);
+ time_taken_in_ns =
+ dm_get_elapse_time_in_ns(link->ctx,
+ finish_timestamp,
+ enter_timestamp);
DC_LOG_WARNING("Alt mode entered finished after %llu ms\n",
div_u64(time_taken_in_ns, 1000000));
return true;
}
-
}
finish_timestamp = dm_get_timestamp(link->ctx);
time_taken_in_ns = dm_get_elapse_time_in_ns(link->ctx, finish_timestamp,
enter_timestamp);
DC_LOG_WARNING("Alt mode has timed out after %llu ms\n",
- div_u64(time_taken_in_ns, 1000000));
+ div_u64(time_taken_in_ns, 1000000));
return false;
}
@@ -768,30 +865,30 @@ static bool dc_link_detect_helper(struct dc_link *link,
return false;
if ((link->connector_signal == SIGNAL_TYPE_LVDS ||
- link->connector_signal == SIGNAL_TYPE_EDP) &&
- link->local_sink) {
-
+ link->connector_signal == SIGNAL_TYPE_EDP) &&
+ link->local_sink) {
// need to re-write OUI and brightness in resume case
if (link->connector_signal == SIGNAL_TYPE_EDP) {
dpcd_set_source_specific_data(link);
- dc_link_set_default_brightness_aux(link); //TODO: use cached
+ dc_link_set_default_brightness_aux(link);
+ //TODO: use cached
}
return true;
}
- if (false == dc_link_detect_sink(link, &new_connection_type)) {
+ if (!dc_link_detect_sink(link, &new_connection_type)) {
BREAK_TO_DEBUGGER();
return false;
}
prev_sink = link->local_sink;
- if (prev_sink != NULL) {
+ if (prev_sink) {
dc_sink_retain(prev_sink);
memcpy(&prev_dpcd_caps, &link->dpcd_caps, sizeof(struct dpcd_caps));
}
- link_disconnect_sink(link);
+ link_disconnect_sink(link);
if (new_connection_type != dc_connection_none) {
link->type = new_connection_type;
link->link_state_valid = false;
@@ -838,35 +935,31 @@ static bool dc_link_detect_helper(struct dc_link *link,
}
case SIGNAL_TYPE_DISPLAY_PORT: {
-
/* wa HPD high coming too early*/
if (link->link_enc->features.flags.bits.DP_IS_USB_C == 1) {
-
/* if alt mode times out, return false */
- if (wait_for_alt_mode(link) == false) {
+ if (!wait_for_entering_dp_alt_mode(link))
return false;
- }
}
- if (!detect_dp(
- link,
- &sink_caps,
- &converter_disable_audio,
- aud_support, reason)) {
- if (prev_sink != NULL)
+ if (!detect_dp(link, &sink_caps,
+ &converter_disable_audio,
+ aud_support, reason)) {
+ if (prev_sink)
dc_sink_release(prev_sink);
return false;
}
// Check if dpcp block is the same
- if (prev_sink != NULL) {
- if (memcmp(&link->dpcd_caps, &prev_dpcd_caps, sizeof(struct dpcd_caps)))
+ if (prev_sink) {
+ if (memcmp(&link->dpcd_caps, &prev_dpcd_caps,
+ sizeof(struct dpcd_caps)))
same_dpcd = false;
}
/* Active dongle downstream unplug*/
if (link->type == dc_connection_active_dongle &&
- link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) {
- if (prev_sink != NULL)
+ link->dpcd_caps.sink_count.bits.SINK_COUNT == 0) {
+ if (prev_sink)
/* Downstream unplug */
dc_sink_release(prev_sink);
return true;
@@ -874,7 +967,7 @@ static bool dc_link_detect_helper(struct dc_link *link,
if (link->type == dc_connection_mst_branch) {
LINK_INFO("link=%d, mst branch is now Connected\n",
- link->link_index);
+ link->link_index);
/* Need to setup mst link_cap struct here
* otherwise dc_link_detect() will leave mst link_cap
* empty which leads to allocate_mst_payload() has "0"
@@ -882,15 +975,15 @@ static bool dc_link_detect_helper(struct dc_link *link,
*/
dp_verify_mst_link_cap(link);
- if (prev_sink != NULL)
+ if (prev_sink)
dc_sink_release(prev_sink);
return false;
}
// For seamless boot, to skip verify link cap, we read UEFI settings and set them as verified.
if (reason == DETECT_REASON_BOOT &&
- dc_ctx->dc->config.power_down_display_on_boot == false &&
- link->link_status.link_active == true)
+ !dc_ctx->dc->config.power_down_display_on_boot &&
+ link->link_status.link_active)
perform_dp_seamless_boot = true;
if (perform_dp_seamless_boot) {
@@ -903,24 +996,23 @@ static bool dc_link_detect_helper(struct dc_link *link,
default:
DC_ERROR("Invalid connector type! signal:%d\n",
- link->connector_signal);
- if (prev_sink != NULL)
+ link->connector_signal);
+ if (prev_sink)
dc_sink_release(prev_sink);
return false;
} /* switch() */
if (link->dpcd_caps.sink_count.bits.SINK_COUNT)
- link->dpcd_sink_count = link->dpcd_caps.sink_count.
- bits.SINK_COUNT;
+ link->dpcd_sink_count =
+ link->dpcd_caps.sink_count.bits.SINK_COUNT;
else
link->dpcd_sink_count = 1;
- dal_ddc_service_set_transaction_type(
- link->ddc,
- sink_caps.transaction_type);
+ dal_ddc_service_set_transaction_type(link->ddc,
+ sink_caps.transaction_type);
- link->aux_mode = dal_ddc_service_is_in_aux_transaction_mode(
- link->ddc);
+ link->aux_mode =
+ dal_ddc_service_is_in_aux_transaction_mode(link->ddc);
sink_init_data.link = link;
sink_init_data.sink_signal = sink_caps.signal;
@@ -928,7 +1020,7 @@ static bool dc_link_detect_helper(struct dc_link *link,
sink = dc_sink_create(&sink_init_data);
if (!sink) {
DC_ERROR("Failed to create sink!\n");
- if (prev_sink != NULL)
+ if (prev_sink)
dc_sink_release(prev_sink);
return false;
}
@@ -939,10 +1031,8 @@ static bool dc_link_detect_helper(struct dc_link *link,
/* dc_sink_create returns a new reference */
link->local_sink = sink;
- edid_status = dm_helpers_read_local_edid(
- link->ctx,
- link,
- sink);
+ edid_status = dm_helpers_read_local_edid(link->ctx,
+ link, sink);
switch (edid_status) {
case EDID_BAD_CHECKSUM:
@@ -950,7 +1040,6 @@ static bool dc_link_detect_helper(struct dc_link *link,
break;
case EDID_NO_RESPONSE:
DC_LOG_ERROR("No EDID read.\n");
-
/*
* Abort detection for non-DP connectors if we have
* no EDID
@@ -961,7 +1050,7 @@ static bool dc_link_detect_helper(struct dc_link *link,
*/
if (dc_is_hdmi_signal(link->connector_signal) ||
dc_is_dvi_signal(link->connector_signal)) {
- if (prev_sink != NULL)
+ if (prev_sink)
dc_sink_release(prev_sink);
return false;
@@ -974,45 +1063,53 @@ static bool dc_link_detect_helper(struct dc_link *link,
link->ctx->dc->debug.disable_fec = true;
// Check if edid is the same
- if ((prev_sink != NULL) && ((edid_status == EDID_THE_SAME) || (edid_status == EDID_OK)))
- same_edid = is_same_edid(&prev_sink->dc_edid, &sink->dc_edid);
+ if ((prev_sink) &&
+ (edid_status == EDID_THE_SAME || edid_status == EDID_OK))
+ same_edid = is_same_edid(&prev_sink->dc_edid,
+ &sink->dc_edid);
if (sink->edid_caps.panel_patch.skip_scdc_overwrite)
link->ctx->dc->debug.hdmi20_disable = true;
if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT &&
- sink_caps.transaction_type == DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
+ sink_caps.transaction_type ==
+ DDC_TRANSACTION_TYPE_I2C_OVER_AUX) {
/*
* TODO debug why Dell 2413 doesn't like
* two link trainings
*/
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+ query_hdcp_capability(sink->sink_signal, link);
+#endif
// verify link cap for SST non-seamless boot
if (!perform_dp_seamless_boot)
dp_verify_link_cap_with_retries(link,
- &link->reported_link_cap,
- LINK_TRAINING_MAX_VERIFY_RETRY);
+ &link->reported_link_cap,
+ LINK_TRAINING_MAX_VERIFY_RETRY);
} else {
// If edid is the same, then discard new sink and revert back to original sink
if (same_edid) {
link_disconnect_remap(prev_sink, link);
sink = prev_sink;
prev_sink = NULL;
-
}
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+ query_hdcp_capability(sink->sink_signal, link);
+#endif
}
/* HDMI-DVI Dongle */
if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A &&
- !sink->edid_caps.edid_hdmi)
+ !sink->edid_caps.edid_hdmi)
sink->sink_signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
/* Connectivity log: detection */
for (i = 0; i < sink->dc_edid.length / DC_EDID_BLOCK_SIZE; i++) {
CONN_DATA_DETECT(link,
- &sink->dc_edid.raw_edid[i * DC_EDID_BLOCK_SIZE],
- DC_EDID_BLOCK_SIZE,
- "%s: [Block %d] ", sink->edid_caps.display_name, i);
+ &sink->dc_edid.raw_edid[i * DC_EDID_BLOCK_SIZE],
+ DC_EDID_BLOCK_SIZE,
+ "%s: [Block %d] ", sink->edid_caps.display_name, i);
}
DC_LOG_DETECTION_EDID_PARSER("%s: "
@@ -1047,17 +1144,18 @@ static bool dc_link_detect_helper(struct dc_link *link,
sink->edid_caps.audio_modes[i].sample_rate,
sink->edid_caps.audio_modes[i].sample_size);
}
-
} else {
/* From Connected-to-Disconnected. */
if (link->type == dc_connection_mst_branch) {
LINK_INFO("link=%d, mst branch is now Disconnected\n",
- link->link_index);
+ link->link_index);
dm_helpers_dp_mst_stop_top_mgr(link->ctx, link);
link->mst_stream_alloc_table.stream_count = 0;
- memset(link->mst_stream_alloc_table.stream_allocations, 0, sizeof(link->mst_stream_alloc_table.stream_allocations));
+ memset(link->mst_stream_alloc_table.stream_allocations,
+ 0,
+ sizeof(link->mst_stream_alloc_table.stream_allocations));
}
link->type = dc_connection_none;
@@ -1071,16 +1169,15 @@ static bool dc_link_detect_helper(struct dc_link *link,
}
LINK_INFO("link=%d, dc_sink_in=%p is now %s prev_sink=%p dpcd same=%d edid same=%d\n",
- link->link_index, sink,
- (sink_caps.signal == SIGNAL_TYPE_NONE ?
- "Disconnected":"Connected"), prev_sink,
- same_dpcd, same_edid);
+ link->link_index, sink,
+ (sink_caps.signal ==
+ SIGNAL_TYPE_NONE ? "Disconnected" : "Connected"),
+ prev_sink, same_dpcd, same_edid);
- if (prev_sink != NULL)
+ if (prev_sink)
dc_sink_release(prev_sink);
return true;
-
}
bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
@@ -1110,13 +1207,13 @@ bool dc_link_get_hpd_state(struct dc_link *dc_link)
return state;
}
-static enum hpd_source_id get_hpd_line(
- struct dc_link *link)
+static enum hpd_source_id get_hpd_line(struct dc_link *link)
{
struct gpio *hpd;
enum hpd_source_id hpd_id = HPD_SOURCEID_UNKNOWN;
- hpd = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service);
+ hpd = get_hpd_gpio(link->ctx->dc_bios, link->link_id,
+ link->ctx->gpio_service);
if (hpd) {
switch (dal_irq_get_source(hpd)) {
@@ -1191,8 +1288,7 @@ static enum channel_id get_ddc_line(struct dc_link *link)
return channel;
}
-static enum transmitter translate_encoder_to_transmitter(
- struct graphics_object_id encoder)
+static enum transmitter translate_encoder_to_transmitter(struct graphics_object_id encoder)
{
switch (encoder.id) {
case ENCODER_ID_INTERNAL_UNIPHY:
@@ -1256,17 +1352,18 @@ static enum transmitter translate_encoder_to_transmitter(
}
}
-static bool dc_link_construct(
- struct dc_link *link,
- const struct link_init_data *init_params)
+static bool dc_link_construct(struct dc_link *link,
+ const struct link_init_data *init_params)
{
uint8_t i;
struct ddc_service_init_data ddc_service_init_data = { { 0 } };
struct dc_context *dc_ctx = init_params->ctx;
struct encoder_init_data enc_init_data = { 0 };
+ struct panel_cntl_init_data panel_cntl_init_data = { 0 };
struct integrated_info info = {{{ 0 }}};
struct dc_bios *bios = init_params->dc->ctx->dc_bios;
const struct dc_vbios_funcs *bp_funcs = bios->funcs;
+
DC_LOGGER_INIT(dc_ctx->logger);
link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
@@ -1278,23 +1375,27 @@ static bool dc_link_construct(
link->ctx = dc_ctx;
link->link_index = init_params->link_index;
- memset(&link->preferred_training_settings, 0, sizeof(struct dc_link_training_overrides));
- memset(&link->preferred_link_setting, 0, sizeof(struct dc_link_settings));
+ memset(&link->preferred_training_settings, 0,
+ sizeof(struct dc_link_training_overrides));
+ memset(&link->preferred_link_setting, 0,
+ sizeof(struct dc_link_settings));
- link->link_id = bios->funcs->get_connector_id(bios, init_params->connector_index);
+ link->link_id =
+ bios->funcs->get_connector_id(bios, init_params->connector_index);
if (link->link_id.type != OBJECT_TYPE_CONNECTOR) {
dm_output_to_console("%s: Invalid Connector ObjectID from Adapter Service for connector index:%d! type %d expected %d\n",
- __func__, init_params->connector_index,
- link->link_id.type, OBJECT_TYPE_CONNECTOR);
+ __func__, init_params->connector_index,
+ link->link_id.type, OBJECT_TYPE_CONNECTOR);
goto create_fail;
}
if (link->dc->res_pool->funcs->link_init)
link->dc->res_pool->funcs->link_init(link);
- link->hpd_gpio = get_hpd_gpio(link->ctx->dc_bios, link->link_id, link->ctx->gpio_service);
- if (link->hpd_gpio != NULL) {
+ link->hpd_gpio = get_hpd_gpio(link->ctx->dc_bios, link->link_id,
+ link->ctx->gpio_service);
+ if (link->hpd_gpio) {
dal_gpio_open(link->hpd_gpio, GPIO_MODE_INTERRUPT);
dal_gpio_unlock_pin(link->hpd_gpio);
link->irq_source_hpd = dal_irq_get_source(link->hpd_gpio);
@@ -1314,9 +1415,9 @@ static bool dc_link_construct(
link->connector_signal = SIGNAL_TYPE_DVI_DUAL_LINK;
break;
case CONNECTOR_ID_DISPLAY_PORT:
- link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
+ link->connector_signal = SIGNAL_TYPE_DISPLAY_PORT;
- if (link->hpd_gpio != NULL)
+ if (link->hpd_gpio)
link->irq_source_hpd_rx =
dal_irq_get_rx_source(link->hpd_gpio);
@@ -1324,42 +1425,60 @@ static bool dc_link_construct(
case CONNECTOR_ID_EDP:
link->connector_signal = SIGNAL_TYPE_EDP;
- if (link->hpd_gpio != NULL) {
+ if (link->hpd_gpio) {
link->irq_source_hpd = DC_IRQ_SOURCE_INVALID;
link->irq_source_hpd_rx =
dal_irq_get_rx_source(link->hpd_gpio);
}
+
break;
case CONNECTOR_ID_LVDS:
link->connector_signal = SIGNAL_TYPE_LVDS;
break;
default:
- DC_LOG_WARNING("Unsupported Connector type:%d!\n", link->link_id.id);
+ DC_LOG_WARNING("Unsupported Connector type:%d!\n",
+ link->link_id.id);
goto create_fail;
}
/* TODO: #DAL3 Implement id to str function.*/
LINK_INFO("Connector[%d] description:"
- "signal %d\n",
- init_params->connector_index,
- link->connector_signal);
+ "signal %d\n",
+ init_params->connector_index,
+ link->connector_signal);
ddc_service_init_data.ctx = link->ctx;
ddc_service_init_data.id = link->link_id;
ddc_service_init_data.link = link;
link->ddc = dal_ddc_service_create(&ddc_service_init_data);
- if (link->ddc == NULL) {
+ if (!link->ddc) {
DC_ERROR("Failed to create ddc_service!\n");
goto ddc_create_fail;
}
link->ddc_hw_inst =
- dal_ddc_get_line(
- dal_ddc_service_get_ddc_pin(link->ddc));
+ dal_ddc_get_line(dal_ddc_service_get_ddc_pin(link->ddc));
+
+
+ if (link->dc->res_pool->funcs->panel_cntl_create &&
+ (link->link_id.id == CONNECTOR_ID_EDP ||
+ link->link_id.id == CONNECTOR_ID_LVDS)) {
+ panel_cntl_init_data.ctx = dc_ctx;
+ panel_cntl_init_data.inst = 0;
+ link->panel_cntl =
+ link->dc->res_pool->funcs->panel_cntl_create(
+ &panel_cntl_init_data);
+
+ if (link->panel_cntl == NULL) {
+ DC_ERROR("Failed to create link panel_cntl!\n");
+ goto panel_cntl_create_fail;
+ }
+ }
enc_init_data.ctx = dc_ctx;
- bp_funcs->get_src_obj(dc_ctx->dc_bios, link->link_id, 0, &enc_init_data.encoder);
+ bp_funcs->get_src_obj(dc_ctx->dc_bios, link->link_id, 0,
+ &enc_init_data.encoder);
enc_init_data.connector = link->link_id;
enc_init_data.channel = get_ddc_line(link);
enc_init_data.hpd_source = get_hpd_line(link);
@@ -1367,11 +1486,11 @@ static bool dc_link_construct(
link->hpd_src = enc_init_data.hpd_source;
enc_init_data.transmitter =
- translate_encoder_to_transmitter(enc_init_data.encoder);
- link->link_enc = link->dc->res_pool->funcs->link_enc_create(
- &enc_init_data);
+ translate_encoder_to_transmitter(enc_init_data.encoder);
+ link->link_enc =
+ link->dc->res_pool->funcs->link_enc_create(&enc_init_data);
- if (link->link_enc == NULL) {
+ if (!link->link_enc) {
DC_ERROR("Failed to create link encoder!\n");
goto link_enc_create_fail;
}
@@ -1379,8 +1498,9 @@ static bool dc_link_construct(
link->link_enc_hw_inst = link->link_enc->transmitter;
for (i = 0; i < 4; i++) {
- if (BP_RESULT_OK !=
- bp_funcs->get_device_tag(dc_ctx->dc_bios, link->link_id, i, &link->device_tag)) {
+ if (bp_funcs->get_device_tag(dc_ctx->dc_bios,
+ link->link_id, i,
+ &link->device_tag) != BP_RESULT_OK) {
DC_ERROR("Failed to find device tag!\n");
goto device_tag_fail;
}
@@ -1388,13 +1508,14 @@ static bool dc_link_construct(
/* Look for device tag that matches connector signal,
* CRT for rgb, LCD for other supported signal tyes
*/
- if (!bp_funcs->is_device_id_supported(dc_ctx->dc_bios, link->device_tag.dev_id))
+ if (!bp_funcs->is_device_id_supported(dc_ctx->dc_bios,
+ link->device_tag.dev_id))
continue;
- if (link->device_tag.dev_id.device_type == DEVICE_TYPE_CRT
- && link->connector_signal != SIGNAL_TYPE_RGB)
+ if (link->device_tag.dev_id.device_type == DEVICE_TYPE_CRT &&
+ link->connector_signal != SIGNAL_TYPE_RGB)
continue;
- if (link->device_tag.dev_id.device_type == DEVICE_TYPE_LCD
- && link->connector_signal == SIGNAL_TYPE_RGB)
+ if (link->device_tag.dev_id.device_type == DEVICE_TYPE_LCD &&
+ link->connector_signal == SIGNAL_TYPE_RGB)
continue;
break;
}
@@ -1406,16 +1527,16 @@ static bool dc_link_construct(
for (i = 0; i < MAX_NUMBER_OF_EXT_DISPLAY_PATH; i++) {
struct external_display_path *path =
&info.ext_disp_conn_info.path[i];
- if (path->device_connector_id.enum_id == link->link_id.enum_id
- && path->device_connector_id.id == link->link_id.id
- && path->device_connector_id.type == link->link_id.type) {
- if (link->device_tag.acpi_device != 0
- && path->device_acpi_enum == link->device_tag.acpi_device) {
+ if (path->device_connector_id.enum_id == link->link_id.enum_id &&
+ path->device_connector_id.id == link->link_id.id &&
+ path->device_connector_id.type == link->link_id.type) {
+ if (link->device_tag.acpi_device != 0 &&
+ path->device_acpi_enum == link->device_tag.acpi_device) {
link->ddi_channel_mapping = path->channel_mapping;
link->chip_caps = path->caps;
} else if (path->device_tag ==
- link->device_tag.dev_id.raw_device_tag) {
+ link->device_tag.dev_id.raw_device_tag) {
link->ddi_channel_mapping = path->channel_mapping;
link->chip_caps = path->caps;
}
@@ -1431,15 +1552,20 @@ static bool dc_link_construct(
*/
program_hpd_filter(link);
+ link->psr_settings.psr_version = DC_PSR_VERSION_UNSUPPORTED;
+
return true;
device_tag_fail:
link->link_enc->funcs->destroy(&link->link_enc);
link_enc_create_fail:
+ if (link->panel_cntl != NULL)
+ link->panel_cntl->funcs->destroy(&link->panel_cntl);
+panel_cntl_create_fail:
dal_ddc_service_destroy(&link->ddc);
ddc_create_fail:
create_fail:
- if (link->hpd_gpio != NULL) {
+ if (link->hpd_gpio) {
dal_gpio_destroy_irq(&link->hpd_gpio);
link->hpd_gpio = NULL;
}
@@ -2339,9 +2465,28 @@ enum dc_status dc_link_validate_mode_timing(
return DC_OK;
}
+static struct abm *get_abm_from_stream_res(const struct dc_link *link)
+{
+ int i;
+ struct dc *dc = link->ctx->dc;
+ struct abm *abm = NULL;
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ struct pipe_ctx pipe_ctx = dc->current_state->res_ctx.pipe_ctx[i];
+ struct dc_stream_state *stream = pipe_ctx.stream;
+
+ if (stream && stream->link == link) {
+ abm = pipe_ctx.stream_res.abm;
+ break;
+ }
+ }
+ return abm;
+}
+
int dc_link_get_backlight_level(const struct dc_link *link)
{
- struct abm *abm = link->ctx->dc->res_pool->abm;
+
+ struct abm *abm = get_abm_from_stream_res(link);
if (abm == NULL || abm->funcs->get_current_backlight == NULL)
return DC_ERROR_UNEXPECTED;
@@ -2349,71 +2494,63 @@ int dc_link_get_backlight_level(const struct dc_link *link)
return (int) abm->funcs->get_current_backlight(abm);
}
-bool dc_link_set_backlight_level(const struct dc_link *link,
- uint32_t backlight_pwm_u16_16,
- uint32_t frame_ramp)
+int dc_link_get_target_backlight_pwm(const struct dc_link *link)
{
- struct dc *dc = link->ctx->dc;
- struct abm *abm = dc->res_pool->abm;
- struct dmcu *dmcu = dc->res_pool->dmcu;
- unsigned int controller_id = 0;
- bool use_smooth_brightness = true;
- int i;
- DC_LOGGER_INIT(link->ctx->logger);
+ struct abm *abm = get_abm_from_stream_res(link);
- if ((dmcu == NULL) ||
- (abm == NULL) ||
- (abm->funcs->set_backlight_level_pwm == NULL))
- return false;
+ if (abm == NULL || abm->funcs->get_target_backlight == NULL)
+ return DC_ERROR_UNEXPECTED;
- use_smooth_brightness = dmcu->funcs->is_dmcu_initialized(dmcu);
+ return (int) abm->funcs->get_target_backlight(abm);
+}
- DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n",
- backlight_pwm_u16_16, backlight_pwm_u16_16);
+static struct pipe_ctx *get_pipe_from_link(const struct dc_link *link)
+{
+ int i;
+ struct dc *dc = link->ctx->dc;
+ struct pipe_ctx *pipe_ctx = NULL;
- if (dc_is_embedded_signal(link->connector_signal)) {
- for (i = 0; i < MAX_PIPES; i++) {
- if (dc->current_state->res_ctx.pipe_ctx[i].stream) {
- if (dc->current_state->res_ctx.
- pipe_ctx[i].stream->link
- == link) {
- /* DMCU -1 for all controller id values,
- * therefore +1 here
- */
- controller_id =
- dc->current_state->
- res_ctx.pipe_ctx[i].stream_res.tg->inst +
- 1;
-
- /* Disable brightness ramping when the display is blanked
- * as it can hang the DMCU
- */
- if (dc->current_state->res_ctx.pipe_ctx[i].plane_state == NULL)
- frame_ramp = 0;
- }
+ for (i = 0; i < MAX_PIPES; i++) {
+ if (dc->current_state->res_ctx.pipe_ctx[i].stream) {
+ if (dc->current_state->res_ctx.pipe_ctx[i].stream->link == link) {
+ pipe_ctx = &dc->current_state->res_ctx.pipe_ctx[i];
+ break;
}
}
- abm->funcs->set_backlight_level_pwm(
- abm,
- backlight_pwm_u16_16,
- frame_ramp,
- controller_id,
- use_smooth_brightness);
}
- return true;
+ return pipe_ctx;
}
-bool dc_link_set_abm_disable(const struct dc_link *link)
+bool dc_link_set_backlight_level(const struct dc_link *link,
+ uint32_t backlight_pwm_u16_16,
+ uint32_t frame_ramp)
{
struct dc *dc = link->ctx->dc;
- struct abm *abm = dc->res_pool->abm;
- if ((abm == NULL) || (abm->funcs->set_backlight_level_pwm == NULL))
- return false;
+ DC_LOGGER_INIT(link->ctx->logger);
+ DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n",
+ backlight_pwm_u16_16, backlight_pwm_u16_16);
+
+ if (dc_is_embedded_signal(link->connector_signal)) {
+ struct pipe_ctx *pipe_ctx = get_pipe_from_link(link);
- abm->funcs->set_abm_immediate_disable(abm);
+ if (pipe_ctx) {
+ /* Disable brightness ramping when the display is blanked
+ * as it can hang the DMCU
+ */
+ if (pipe_ctx->plane_state == NULL)
+ frame_ramp = 0;
+ } else {
+ ASSERT(false);
+ return false;
+ }
+ dc->hwss.set_backlight_level(
+ pipe_ctx,
+ backlight_pwm_u16_16,
+ frame_ramp);
+ }
return true;
}
@@ -2423,12 +2560,12 @@ bool dc_link_set_psr_allow_active(struct dc_link *link, bool allow_active, bool
struct dmcu *dmcu = dc->res_pool->dmcu;
struct dmub_psr *psr = dc->res_pool->psr;
- if (psr != NULL && link->psr_feature_enabled)
+ if (psr != NULL && link->psr_settings.psr_feature_enabled)
psr->funcs->psr_enable(psr, allow_active);
- else if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_feature_enabled)
+ else if ((dmcu != NULL && dmcu->funcs->is_dmcu_initialized(dmcu)) && link->psr_settings.psr_feature_enabled)
dmcu->funcs->set_psr_enable(dmcu, allow_active, wait);
- link->psr_allow_active = allow_active;
+ link->psr_settings.psr_allow_active = allow_active;
return true;
}
@@ -2439,9 +2576,9 @@ bool dc_link_get_psr_state(const struct dc_link *link, uint32_t *psr_state)
struct dmcu *dmcu = dc->res_pool->dmcu;
struct dmub_psr *psr = dc->res_pool->psr;
- if (psr != NULL && link->psr_feature_enabled)
+ if (psr != NULL && link->psr_settings.psr_feature_enabled)
psr->funcs->psr_get_state(psr, psr_state);
- else if (dmcu != NULL && link->psr_feature_enabled)
+ else if (dmcu != NULL && link->psr_settings.psr_feature_enabled)
dmcu->funcs->get_psr_state(dmcu, psr_state);
return true;
@@ -2612,14 +2749,14 @@ bool dc_link_setup_psr(struct dc_link *link,
psr_context->frame_delay = 0;
if (psr)
- link->psr_feature_enabled = psr->funcs->psr_copy_settings(psr, link, psr_context);
+ link->psr_settings.psr_feature_enabled = psr->funcs->psr_copy_settings(psr, link, psr_context);
else
- link->psr_feature_enabled = dmcu->funcs->setup_psr(dmcu, link, psr_context);
+ link->psr_settings.psr_feature_enabled = dmcu->funcs->setup_psr(dmcu, link, psr_context);
/* psr_enabled == 0 indicates setup_psr did not succeed, but this
* should not happen since firmware should be running at this point
*/
- if (link->psr_feature_enabled == 0)
+ if (link->psr_settings.psr_feature_enabled == 0)
ASSERT(0);
return true;
@@ -2966,7 +3103,7 @@ void core_link_enable_stream(
enum dc_status status;
DC_LOGGER_INIT(pipe_ctx->stream->ctx->logger);
- if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) &&
+ if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
dc_is_virtual_signal(pipe_ctx->stream->signal))
return;
@@ -3040,6 +3177,18 @@ void core_link_enable_stream(
if (pipe_ctx->stream->dpms_off)
return;
+ /* Have to setup DSC before DIG FE and BE are connected (which happens before the
+ * link training). This is to make sure the bandwidth sent to DIG BE won't be
+ * bigger than what the link and/or DIG BE can handle. VBID[6]/CompressedStream_flag
+ * will be automatically set at a later time when the video is enabled
+ * (DP_VID_STREAM_EN = 1).
+ */
+ if (pipe_ctx->stream->timing.flags.DSC) {
+ if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
+ dc_is_virtual_signal(pipe_ctx->stream->signal))
+ dp_set_dsc_enable(pipe_ctx, true);
+ }
+
status = enable_link(state, pipe_ctx);
if (status != DC_OK) {
@@ -3067,11 +3216,6 @@ void core_link_enable_stream(
CONTROLLER_DP_TEST_PATTERN_VIDEOMODE,
COLOR_DEPTH_UNDEFINED);
- if (pipe_ctx->stream->timing.flags.DSC) {
- if (dc_is_dp_signal(pipe_ctx->stream->signal) ||
- dc_is_virtual_signal(pipe_ctx->stream->signal))
- dp_set_dsc_enable(pipe_ctx, true);
- }
dc->hwss.enable_stream(pipe_ctx);
/* Set DPS PPS SDP (AKA "info frames") */
@@ -3101,6 +3245,10 @@ void core_link_enable_stream(
dp_set_dsc_enable(pipe_ctx, true);
}
+
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
+ core_link_set_avmute(pipe_ctx, false);
+ }
}
void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
@@ -3109,10 +3257,14 @@ void core_link_disable_stream(struct pipe_ctx *pipe_ctx)
struct dc_stream_state *stream = pipe_ctx->stream;
struct dc_link *link = stream->sink->link;
- if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) &&
+ if (!IS_DIAG_DC(dc->ctx->dce_environment) &&
dc_is_virtual_signal(pipe_ctx->stream->signal))
return;
+ if (pipe_ctx->stream->signal == SIGNAL_TYPE_HDMI_TYPE_A) {
+ core_link_set_avmute(pipe_ctx, true);
+ }
+
#if defined(CONFIG_DRM_AMD_DC_HDCP)
update_psp_stream_config(pipe_ctx, true);
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index 256889eed93e..aefd29a440b5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -599,7 +599,7 @@ bool dal_ddc_submit_aux_command(struct ddc_service *ddc,
do {
struct aux_payload current_payload;
bool is_end_of_payload = (retrieved + DEFAULT_AUX_MAX_DATA_SIZE) >
- payload->length ? true : false;
+ payload->length;
current_payload.address = payload->address;
current_payload.data = &payload->data[retrieved];
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 7cbb1efb4f68..91cd884d6f25 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -13,7 +13,6 @@
#include "core_status.h"
#include "dpcd_defs.h"
-#include "resource.h"
#define DC_LOGGER \
link->ctx->logger
@@ -220,6 +219,30 @@ static enum dpcd_training_patterns
return dpcd_tr_pattern;
}
+static uint8_t dc_dp_initialize_scrambling_data_symbols(
+ struct dc_link *link,
+ enum dc_dp_training_pattern pattern)
+{
+ uint8_t disable_scrabled_data_symbols = 0;
+
+ switch (pattern) {
+ case DP_TRAINING_PATTERN_SEQUENCE_1:
+ case DP_TRAINING_PATTERN_SEQUENCE_2:
+ case DP_TRAINING_PATTERN_SEQUENCE_3:
+ disable_scrabled_data_symbols = 1;
+ break;
+ case DP_TRAINING_PATTERN_SEQUENCE_4:
+ disable_scrabled_data_symbols = 0;
+ break;
+ default:
+ ASSERT(0);
+ DC_LOG_HW_LINK_TRAINING("%s: Invalid HW Training pattern: %d\n",
+ __func__, pattern);
+ break;
+ }
+ return disable_scrabled_data_symbols;
+}
+
static inline bool is_repeater(struct dc_link *link, uint32_t offset)
{
return (!link->is_lttpr_mode_transparent && offset != 0);
@@ -252,6 +275,9 @@ static void dpcd_set_lt_pattern_and_lane_settings(
dpcd_pattern.v1_4.TRAINING_PATTERN_SET =
dc_dp_training_pattern_to_dpcd_training_pattern(link, pattern);
+ dpcd_pattern.v1_4.SCRAMBLING_DISABLE =
+ dc_dp_initialize_scrambling_data_symbols(link, pattern);
+
dpcd_lt_buffer[DP_TRAINING_PATTERN_SET - DP_TRAINING_PATTERN_SET]
= dpcd_pattern.raw;
@@ -1710,19 +1736,10 @@ bool dc_link_dp_sync_lt_end(struct dc_link *link, bool link_down)
static struct dc_link_settings get_max_link_cap(struct dc_link *link)
{
- /* Set Default link settings */
- struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
- LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
-
- /* Higher link settings based on feature supported */
- if (link->link_enc->features.flags.bits.IS_HBR2_CAPABLE)
- max_link_cap.link_rate = LINK_RATE_HIGH2;
-
- if (link->link_enc->features.flags.bits.IS_HBR3_CAPABLE)
- max_link_cap.link_rate = LINK_RATE_HIGH3;
+ struct dc_link_settings max_link_cap = {0};
- if (link->link_enc->funcs->get_max_link_cap)
- link->link_enc->funcs->get_max_link_cap(link->link_enc, &max_link_cap);
+ /* get max link encoder capability */
+ link->link_enc->funcs->get_max_link_cap(link->link_enc, &max_link_cap);
/* Lower link settings based on sink's link cap */
if (link->reported_link_cap.lane_count < max_link_cap.lane_count)
@@ -2426,7 +2443,7 @@ static bool handle_hpd_irq_psr_sink(struct dc_link *link)
{
union dpcd_psr_configuration psr_configuration;
- if (!link->psr_feature_enabled)
+ if (!link->psr_settings.psr_feature_enabled)
return false;
dm_helpers_dp_read_dpcd(
@@ -2530,7 +2547,7 @@ static void dp_test_send_phy_test_pattern(struct dc_link *link)
/* get phy test pattern and pattern parameters from DP receiver */
core_link_read_dpcd(
link,
- DP_TEST_PHY_PATTERN,
+ DP_PHY_TEST_PATTERN,
&dpcd_test_pattern.raw,
sizeof(dpcd_test_pattern));
core_link_read_dpcd(
@@ -2911,6 +2928,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
for (i = 0; i < MAX_PIPES; i++) {
pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
+ link->dc->hwss.blank_stream(pipe_ctx);
+ }
+
+ for (i = 0; i < MAX_PIPES; i++) {
+ pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
+ if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
break;
}
@@ -2927,6 +2950,12 @@ bool dc_link_handle_hpd_rx_irq(struct dc_link *link, union hpd_irq_data *out_hpd
if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
dc_link_reallocate_mst_payload(link);
+ for (i = 0; i < MAX_PIPES; i++) {
+ pipe_ctx = &link->dc->current_state->res_ctx.pipe_ctx[i];
+ if (pipe_ctx && pipe_ctx->stream && pipe_ctx->stream->link == link)
+ link->dc->hwss.unblank_stream(pipe_ctx, &previous_link_settings);
+ }
+
status = false;
if (out_link_loss)
*out_link_loss = true;
@@ -4227,6 +4256,21 @@ void dp_set_fec_enable(struct dc_link *link, bool enable)
void dpcd_set_source_specific_data(struct dc_link *link)
{
const uint32_t post_oui_delay = 30; // 30ms
+ uint8_t dspc = 0;
+ enum dc_status ret;
+
+ ret = core_link_read_dpcd(link, DP_DOWN_STREAM_PORT_COUNT, &dspc,
+ sizeof(dspc));
+
+ if (ret != DC_OK) {
+ DC_LOG_ERROR("Error in DP aux read transaction,"
+ " not writing source specific data\n");
+ return;
+ }
+
+ /* Return if OUI unsupported */
+ if (!(dspc & DP_OUI_SUPPORT))
+ return;
if (!link->dc->vendor_signature.is_valid) {
struct dpcd_amd_signature amd_signature;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
index 51e0ee6e7695..6590f51caefa 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
@@ -400,7 +400,7 @@ static bool dp_set_dsc_on_rx(struct pipe_ctx *pipe_ctx, bool enable)
struct dc_stream_state *stream = pipe_ctx->stream;
bool result = false;
- if (IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
+ if (dc_is_virtual_signal(stream->signal) || IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment))
result = true;
else
result = dm_helpers_dp_write_dsc_enable(dc->ctx, stream, enable);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index f4bcc71b2920..0c5619364e7d 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -532,6 +532,24 @@ static inline void get_vp_scan_direction(
*flip_horz_scan_dir = !*flip_horz_scan_dir;
}
+int get_num_mpc_splits(struct pipe_ctx *pipe)
+{
+ int mpc_split_count = 0;
+ struct pipe_ctx *other_pipe = pipe->bottom_pipe;
+
+ while (other_pipe && other_pipe->plane_state == pipe->plane_state) {
+ mpc_split_count++;
+ other_pipe = other_pipe->bottom_pipe;
+ }
+ other_pipe = pipe->top_pipe;
+ while (other_pipe && other_pipe->plane_state == pipe->plane_state) {
+ mpc_split_count++;
+ other_pipe = other_pipe->top_pipe;
+ }
+
+ return mpc_split_count;
+}
+
int get_num_odm_splits(struct pipe_ctx *pipe)
{
int odm_split_count = 0;
@@ -556,16 +574,11 @@ static void calculate_split_count_and_index(struct pipe_ctx *pipe_ctx, int *spli
/*Check for mpc split*/
struct pipe_ctx *split_pipe = pipe_ctx->top_pipe;
+ *split_count = get_num_mpc_splits(pipe_ctx);
while (split_pipe && split_pipe->plane_state == pipe_ctx->plane_state) {
(*split_idx)++;
- (*split_count)++;
split_pipe = split_pipe->top_pipe;
}
- split_pipe = pipe_ctx->bottom_pipe;
- while (split_pipe && split_pipe->plane_state == pipe_ctx->plane_state) {
- (*split_count)++;
- split_pipe = split_pipe->bottom_pipe;
- }
} else {
/*Get odm split index*/
struct pipe_ctx *split_pipe = pipe_ctx->prev_odm_pipe;
@@ -692,6 +705,9 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
/* Round up, assume original video size always even dimensions */
data->viewport_c.width = (data->viewport.width + vpc_div - 1) / vpc_div;
data->viewport_c.height = (data->viewport.height + vpc_div - 1) / vpc_div;
+
+ data->viewport_unadjusted = data->viewport;
+ data->viewport_c_unadjusted = data->viewport_c;
}
static void calculate_recout(struct pipe_ctx *pipe_ctx)
@@ -1061,8 +1077,8 @@ bool resource_build_scaling_params(struct pipe_ctx *pipe_ctx)
calculate_viewport(pipe_ctx);
- if (pipe_ctx->plane_res.scl_data.viewport.height < 16 ||
- pipe_ctx->plane_res.scl_data.viewport.width < 16) {
+ if (pipe_ctx->plane_res.scl_data.viewport.height < 12 ||
+ pipe_ctx->plane_res.scl_data.viewport.width < 12) {
if (store_h_border_left) {
restore_border_left_from_dst(pipe_ctx,
store_h_border_left);
@@ -1358,9 +1374,6 @@ bool dc_add_plane_to_context(
dc_plane_state_retain(plane_state);
while (head_pipe) {
- tail_pipe = resource_get_tail_pipe(&context->res_ctx, head_pipe);
- ASSERT(tail_pipe);
-
free_pipe = acquire_free_pipe_for_head(context, pool, head_pipe);
#if defined(CONFIG_DRM_AMD_DC_DCN)
@@ -1378,6 +1391,8 @@ bool dc_add_plane_to_context(
free_pipe->plane_state = plane_state;
if (head_pipe != free_pipe) {
+ tail_pipe = resource_get_tail_pipe(&context->res_ctx, head_pipe);
+ ASSERT(tail_pipe);
free_pipe->stream_res.tg = tail_pipe->stream_res.tg;
free_pipe->stream_res.abm = tail_pipe->stream_res.abm;
free_pipe->stream_res.opp = tail_pipe->stream_res.opp;
@@ -1545,35 +1560,6 @@ bool dc_add_all_planes_for_stream(
return add_all_planes_for_stream(dc, stream, &set, 1, context);
}
-
-static bool is_hdr_static_meta_changed(struct dc_stream_state *cur_stream,
- struct dc_stream_state *new_stream)
-{
- if (cur_stream == NULL)
- return true;
-
- if (memcmp(&cur_stream->hdr_static_metadata,
- &new_stream->hdr_static_metadata,
- sizeof(struct dc_info_packet)) != 0)
- return true;
-
- return false;
-}
-
-static bool is_vsc_info_packet_changed(struct dc_stream_state *cur_stream,
- struct dc_stream_state *new_stream)
-{
- if (cur_stream == NULL)
- return true;
-
- if (memcmp(&cur_stream->vsc_infopacket,
- &new_stream->vsc_infopacket,
- sizeof(struct dc_info_packet)) != 0)
- return true;
-
- return false;
-}
-
static bool is_timing_changed(struct dc_stream_state *cur_stream,
struct dc_stream_state *new_stream)
{
@@ -1608,15 +1594,9 @@ static bool are_stream_backends_same(
if (is_timing_changed(stream_a, stream_b))
return false;
- if (is_hdr_static_meta_changed(stream_a, stream_b))
- return false;
-
if (stream_a->dpms_off != stream_b->dpms_off)
return false;
- if (is_vsc_info_packet_changed(stream_a, stream_b))
- return false;
-
return true;
}
@@ -1756,21 +1736,6 @@ static struct audio *find_first_free_audio(
return 0;
}
-bool resource_is_stream_unchanged(
- struct dc_state *old_context, struct dc_stream_state *stream)
-{
- int i;
-
- for (i = 0; i < old_context->stream_count; i++) {
- struct dc_stream_state *old_stream = old_context->streams[i];
-
- if (are_stream_backends_same(old_stream, stream))
- return true;
- }
-
- return false;
-}
-
/**
* dc_add_stream_to_ctx() - Add a new dc_stream_state to a dc_state.
*/
@@ -2025,17 +1990,6 @@ enum dc_status resource_map_pool_resources(
int pipe_idx = -1;
struct dc_bios *dcb = dc->ctx->dc_bios;
- /* TODO Check if this is needed */
- /*if (!resource_is_stream_unchanged(old_context, stream)) {
- if (stream != NULL && old_context->streams[i] != NULL) {
- stream->bit_depth_params =
- old_context->streams[i]->bit_depth_params;
- stream->clamping = old_context->streams[i]->clamping;
- continue;
- }
- }
- */
-
calculate_phy_pix_clks(stream);
/* TODO: Check Linux */
@@ -2718,19 +2672,16 @@ bool pipe_need_reprogram(
if (is_timing_changed(pipe_ctx_old->stream, pipe_ctx->stream))
return true;
- if (is_hdr_static_meta_changed(pipe_ctx_old->stream, pipe_ctx->stream))
- return true;
-
if (pipe_ctx_old->stream->dpms_off != pipe_ctx->stream->dpms_off)
return true;
- if (is_vsc_info_packet_changed(pipe_ctx_old->stream, pipe_ctx->stream))
- return true;
-
if (false == pipe_ctx_old->stream->link->link_state_valid &&
false == pipe_ctx_old->stream->dpms_off)
return true;
+ if (pipe_ctx_old->stream_res.dsc != pipe_ctx->stream_res.dsc)
+ return true;
+
return false;
}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
index a249a0e5edd0..9e16af22e4aa 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
@@ -54,6 +54,7 @@ static bool dc_sink_construct(struct dc_sink *sink, const struct dc_sink_init_da
sink->ctx = link->ctx;
sink->dongle_max_pix_clk = init_params->dongle_max_pix_clk;
sink->converter_disable_audio = init_params->converter_disable_audio;
+ sink->is_mst_legacy = init_params->sink_is_legacy;
sink->dc_container_id = NULL;
sink->sink_id = init_params->link->ctx->dc_sink_id_count;
// increment dc_sink_id_count because we don't want two sinks with same ID
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 6ddbb00ed37a..4f0e7203dba4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -231,34 +231,6 @@ struct dc_stream_status *dc_stream_get_status(
return dc_stream_get_status_from_state(dc->current_state, stream);
}
-static void delay_cursor_until_vupdate(struct pipe_ctx *pipe_ctx, struct dc *dc)
-{
-#if defined(CONFIG_DRM_AMD_DC_DCN)
- unsigned int vupdate_line;
- unsigned int lines_to_vupdate, us_to_vupdate, vpos, nvpos;
- struct dc_stream_state *stream = pipe_ctx->stream;
- unsigned int us_per_line;
-
- if (stream->ctx->asic_id.chip_family == FAMILY_RV &&
- ASICREV_IS_RAVEN(stream->ctx->asic_id.hw_internal_rev)) {
-
- vupdate_line = dc->hwss.get_vupdate_offset_from_vsync(pipe_ctx);
- if (!dc_stream_get_crtc_position(dc, &stream, 1, &vpos, &nvpos))
- return;
-
- if (vpos >= vupdate_line)
- return;
-
- us_per_line = stream->timing.h_total * 10000 / stream->timing.pix_clk_100hz;
- lines_to_vupdate = vupdate_line - vpos;
- us_to_vupdate = lines_to_vupdate * us_per_line;
-
- /* 70 us is a conservative estimate of cursor update time*/
- if (us_to_vupdate < 70)
- udelay(us_to_vupdate);
- }
-#endif
-}
/**
* dc_stream_set_cursor_attributes() - Update cursor attributes and set cursor surface address
@@ -298,9 +270,7 @@ bool dc_stream_set_cursor_attributes(
if (!pipe_to_program) {
pipe_to_program = pipe_ctx;
-
- delay_cursor_until_vupdate(pipe_ctx, dc);
- dc->hwss.pipe_control_lock(dc, pipe_to_program, true);
+ dc->hwss.cursor_lock(dc, pipe_to_program, true);
}
dc->hwss.set_cursor_attribute(pipe_ctx);
@@ -309,7 +279,7 @@ bool dc_stream_set_cursor_attributes(
}
if (pipe_to_program)
- dc->hwss.pipe_control_lock(dc, pipe_to_program, false);
+ dc->hwss.cursor_lock(dc, pipe_to_program, false);
return true;
}
@@ -349,16 +319,14 @@ bool dc_stream_set_cursor_position(
if (!pipe_to_program) {
pipe_to_program = pipe_ctx;
-
- delay_cursor_until_vupdate(pipe_ctx, dc);
- dc->hwss.pipe_control_lock(dc, pipe_to_program, true);
+ dc->hwss.cursor_lock(dc, pipe_to_program, true);
}
dc->hwss.set_cursor_position(pipe_ctx);
}
if (pipe_to_program)
- dc->hwss.pipe_control_lock(dc, pipe_to_program, false);
+ dc->hwss.cursor_lock(dc, pipe_to_program, false);
return true;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 1935cf6601eb..85908561c741 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -29,6 +29,9 @@
#include "dc_types.h"
#include "grph_object_defs.h"
#include "logger_types.h"
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+#include "hdcp_types.h"
+#endif
#include "gpio_types.h"
#include "link_service_types.h"
#include "grph_object_ctrl_defs.h"
@@ -39,7 +42,7 @@
#include "inc/hw/dmcu.h"
#include "dml/display_mode_lib.h"
-#define DC_VER "3.2.76"
+#define DC_VER "3.2.84"
#define MAX_SURFACES 3
#define MAX_PLANES 6
@@ -95,6 +98,49 @@ struct dc_plane_cap {
} max_downscale_factor;
};
+// Color management caps (DPP and MPC)
+struct rom_curve_caps {
+ uint16_t srgb : 1;
+ uint16_t bt2020 : 1;
+ uint16_t gamma2_2 : 1;
+ uint16_t pq : 1;
+ uint16_t hlg : 1;
+};
+
+struct dpp_color_caps {
+ uint16_t dcn_arch : 1; // all DCE generations treated the same
+ // input lut is different than most LUTs, just plain 256-entry lookup
+ uint16_t input_lut_shared : 1; // shared with DGAM
+ uint16_t icsc : 1;
+ uint16_t dgam_ram : 1;
+ uint16_t post_csc : 1; // before gamut remap
+ uint16_t gamma_corr : 1;
+
+ // hdr_mult and gamut remap always available in DPP (in that order)
+ // 3d lut implies shaper LUT,
+ // it may be shared with MPC - check MPC:shared_3d_lut flag
+ uint16_t hw_3d_lut : 1;
+ uint16_t ogam_ram : 1; // blnd gam
+ uint16_t ocsc : 1;
+ struct rom_curve_caps dgam_rom_caps;
+ struct rom_curve_caps ogam_rom_caps;
+};
+
+struct mpc_color_caps {
+ uint16_t gamut_remap : 1;
+ uint16_t ogam_ram : 1;
+ uint16_t ocsc : 1;
+ uint16_t num_3dluts : 3; //3d lut always assumes a preceding shaper LUT
+ uint16_t shared_3d_lut:1; //can be in either DPP or MPC, but single instance
+
+ struct rom_curve_caps ogam_rom_caps;
+};
+
+struct dc_color_caps {
+ struct dpp_color_caps dpp;
+ struct mpc_color_caps mpc;
+};
+
struct dc_caps {
uint32_t max_streams;
uint32_t max_links;
@@ -117,9 +163,9 @@ struct dc_caps {
bool psp_setup_panel_mode;
bool extended_aux_timeout_support;
bool dmcub_support;
- bool hw_3d_lut;
enum dp_protocol_version max_dp_protocol_version;
struct dc_plane_cap planes[MAX_PLANES];
+ struct dc_color_caps color;
};
struct dc_bug_wa {
@@ -230,7 +276,8 @@ struct dc_config {
bool forced_clocks;
bool disable_extended_timeout_support; // Used to disable extended timeout and lttpr feature as well
bool multi_mon_pp_mclk_switch;
- bool psr_on_dmub;
+ bool disable_dmcu;
+ bool enable_4to1MPC;
};
enum visual_confirm {
@@ -238,6 +285,7 @@ enum visual_confirm {
VISUAL_CONFIRM_SURFACE = 1,
VISUAL_CONFIRM_HDR = 2,
VISUAL_CONFIRM_MPCTREE = 4,
+ VISUAL_CONFIRM_PSR = 5,
};
enum dcc_option {
@@ -429,6 +477,7 @@ struct dc_debug_options {
bool enable_dmcub_surface_flip;
bool usbc_combo_phy_reset_wa;
bool disable_dsc;
+ bool enable_dram_clock_change_one_display_vactive;
};
struct dc_debug_data {
@@ -474,6 +523,7 @@ struct dc_bounding_box_overrides {
int urgent_latency_ns;
int percent_of_ideal_drambw;
int dram_clock_change_latency_ns;
+ int dummy_clock_change_latency_ns;
/* This forces a hard min on the DCFCLK we use
* for DML. Unlike the debug option for forcing
* DCFCLK, this override affects watermark calculations
@@ -987,6 +1037,7 @@ struct dpcd_caps {
union dpcd_fec_capability fec_cap;
struct dpcd_dsc_capabilities dsc_caps;
struct dc_lttpr_caps lttpr_caps;
+ struct psr_caps psr_caps;
};
@@ -1004,6 +1055,35 @@ union dpcd_sink_ext_caps {
uint8_t raw;
};
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+union hdcp_rx_caps {
+ struct {
+ uint8_t version;
+ uint8_t reserved;
+ struct {
+ uint8_t repeater : 1;
+ uint8_t hdcp_capable : 1;
+ uint8_t reserved : 6;
+ } byte0;
+ } fields;
+ uint8_t raw[3];
+};
+
+union hdcp_bcaps {
+ struct {
+ uint8_t HDCP_CAPABLE:1;
+ uint8_t REPEATER:1;
+ uint8_t RESERVED:6;
+ } bits;
+ uint8_t raw;
+};
+
+struct hdcp_caps {
+ union hdcp_rx_caps rx_caps;
+ union hdcp_bcaps bcaps;
+};
+#endif
+
#include "dc_link.h"
/*******************************************************************************
@@ -1046,7 +1126,7 @@ struct dc_sink {
void *priv;
struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
bool converter_disable_audio;
-
+ bool is_mst_legacy;
struct dc_sink_dsc_caps dsc_caps;
struct dc_sink_fec_caps fec_caps;
@@ -1073,6 +1153,7 @@ struct dc_sink_init_data {
struct dc_link *link;
uint32_t dongle_max_pix_clk;
bool converter_disable_audio;
+ bool sink_is_legacy;
};
struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
@@ -1104,9 +1185,16 @@ void dc_set_power_state(
struct dc *dc,
enum dc_acpi_cm_power_state power_state);
void dc_resume(struct dc *dc);
-unsigned int dc_get_current_backlight_pwm(struct dc *dc);
-unsigned int dc_get_target_backlight_pwm(struct dc *dc);
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+/*
+ * HDCP Interfaces
+ */
+enum hdcp_message_status dc_process_hdcp_msg(
+ enum signal_type signal,
+ struct dc_link *link,
+ struct hdcp_protection_message *message_info);
+#endif
bool dc_is_dmcu_initialized(struct dc *dc);
enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index 59c298a6484f..eea2429ac67d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -25,7 +25,7 @@
#include "dc.h"
#include "dc_dmub_srv.h"
-#include "../dmub/inc/dmub_srv.h"
+#include "../dmub/dmub_srv.h"
static void dc_dmub_srv_construct(struct dc_dmub_srv *dc_srv, struct dc *dc,
struct dmub_srv *dmub)
@@ -58,7 +58,7 @@ void dc_dmub_srv_destroy(struct dc_dmub_srv **dmub_srv)
}
void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
- struct dmub_cmd_header *cmd)
+ union dmub_rb_cmd *cmd)
{
struct dmub_srv *dmub = dc_dmub_srv->dmub;
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
index 754b6077539c..a3a09ccb6d26 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h
@@ -27,10 +27,9 @@
#define _DMUB_DC_SRV_H_
#include "os_types.h"
-#include "../dmub/inc/dmub_cmd.h"
+#include "dmub/dmub_srv.h"
struct dmub_srv;
-struct dmub_cmd_header;
struct dc_reg_helper_state {
bool gather_in_progress;
@@ -49,7 +48,7 @@ struct dc_dmub_srv {
};
void dc_dmub_srv_cmd_queue(struct dc_dmub_srv *dc_dmub_srv,
- struct dmub_cmd_header *cmd);
+ union dmub_rb_cmd *cmd);
void dc_dmub_srv_cmd_execute(struct dc_dmub_srv *dc_dmub_srv);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
index bb2730e9521e..af177c087d3b 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_dp_types.h
@@ -740,5 +740,11 @@ struct dpcd_dsc_capabilities {
union dpcd_dsc_ext_capabilities dsc_ext_caps;
};
+/* These parameters are from PSR capabilities reported by Sink DPCD */
+struct psr_caps {
+ unsigned char psr_version;
+ unsigned int psr_rfb_setup_time;
+ bool psr_exit_link_training_required;
+};
#endif /* DC_DP_TYPES_H */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index 737048d8a96c..85a0170be544 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -50,7 +50,7 @@ static inline void submit_dmub_read_modify_write(
gather = ctx->dmub_srv->reg_helper_offload.gather_in_progress;
ctx->dmub_srv->reg_helper_offload.gather_in_progress = false;
- dc_dmub_srv_cmd_queue(ctx->dmub_srv, &cmd_buf->header);
+ dc_dmub_srv_cmd_queue(ctx->dmub_srv, &offload->cmd_data);
ctx->dmub_srv->reg_helper_offload.gather_in_progress = gather;
@@ -73,7 +73,7 @@ static inline void submit_dmub_burst_write(
gather = ctx->dmub_srv->reg_helper_offload.gather_in_progress;
ctx->dmub_srv->reg_helper_offload.gather_in_progress = false;
- dc_dmub_srv_cmd_queue(ctx->dmub_srv, &cmd_buf->header);
+ dc_dmub_srv_cmd_queue(ctx->dmub_srv, &offload->cmd_data);
ctx->dmub_srv->reg_helper_offload.gather_in_progress = gather;
@@ -92,7 +92,7 @@ static inline void submit_dmub_reg_wait(
gather = ctx->dmub_srv->reg_helper_offload.gather_in_progress;
ctx->dmub_srv->reg_helper_offload.gather_in_progress = false;
- dc_dmub_srv_cmd_queue(ctx->dmub_srv, &cmd_buf->header);
+ dc_dmub_srv_cmd_queue(ctx->dmub_srv, &offload->cmd_data);
memset(cmd_buf, 0, sizeof(*cmd_buf));
offload->reg_seq_count = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h
index 00ff5e98278c..f63fc25aa6c5 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_link.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_link.h
@@ -66,6 +66,22 @@ struct time_stamp {
struct link_trace {
struct time_stamp time_stamp;
};
+
+/* PSR feature flags */
+struct psr_settings {
+ bool psr_feature_enabled; // PSR is supported by sink
+ bool psr_allow_active; // PSR is currently active
+ enum dc_psr_version psr_version; // Internal PSR version, determined based on DPCD
+
+ /* These parameters are calculated in Driver,
+ * based on display timing and Sink capabilities.
+ * If VBLANK region is too small and Sink takes a long time
+ * to set up RFB, it may take an extra frame to enter PSR state.
+ */
+ bool psr_frame_capture_indication_req;
+ unsigned int psr_sdp_transmit_line_num_deadline;
+};
+
/*
* A link contains one or more sinks and their connected status.
* The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
@@ -118,6 +134,7 @@ struct dc_link {
struct dc_context *ctx;
+ struct panel_cntl *panel_cntl;
struct link_encoder *link_enc;
struct graphics_object_id link_id;
union ddi_channel_mapping ddi_channel_mapping;
@@ -126,11 +143,14 @@ struct dc_link {
uint32_t dongle_max_pix_clk;
unsigned short chip_caps;
unsigned int dpcd_sink_count;
+#if defined(CONFIG_DRM_AMD_DC_HDCP)
+ struct hdcp_caps hdcp_caps;
+#endif
enum edp_revision edp_revision;
- bool psr_feature_enabled;
- bool psr_allow_active;
union dpcd_sink_ext_caps dpcd_sink_ext_caps;
+ struct psr_settings psr_settings;
+
/* MST record stream using this link */
struct link_flags {
bool dp_keep_receiver_powered;
@@ -197,7 +217,7 @@ bool dc_link_set_default_brightness_aux(struct dc_link *link);
int dc_link_get_backlight_level(const struct dc_link *dc_link);
-bool dc_link_set_abm_disable(const struct dc_link *dc_link);
+int dc_link_get_target_backlight_pwm(const struct dc_link *link);
bool dc_link_set_psr_allow_active(struct dc_link *dc_link, bool enable, bool wait);
@@ -290,6 +310,10 @@ bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type);
* DPCD access interfaces
*/
+#ifdef CONFIG_DRM_AMD_DC_HDCP
+bool dc_link_is_hdcp14(struct dc_link *link);
+bool dc_link_is_hdcp22(struct dc_link *link);
+#endif
void dc_link_set_drive_settings(struct dc *dc,
struct link_training_settings *lt_settings,
const struct dc_link *link);
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index a5c7ef47b8d3..49aad691e687 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -167,8 +167,6 @@ struct dc_stream_state {
/* TODO: custom INFO packets */
/* TODO: ABM info (DMCU) */
- /* PSR info */
- unsigned char psr_version;
/* TODO: CEA VIC */
/* DMCU info */
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 0d210104ba0a..f236da1c1859 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -862,4 +862,9 @@ struct dsc_dec_dpcd_caps {
uint32_t branch_max_line_width;
};
+enum dc_psr_version {
+ DC_PSR_VERSION_1 = 0,
+ DC_PSR_VERSION_UNSUPPORTED = 0xFFFFFFFF,
+};
+
#endif /* DC_TYPES_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/Makefile b/drivers/gpu/drm/amd/display/dc/dce/Makefile
index fbfcff700971..f704a8fd52e8 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dce/Makefile
@@ -29,7 +29,7 @@
DCE = dce_audio.o dce_stream_encoder.o dce_link_encoder.o dce_hwseq.o \
dce_mem_input.o dce_clock_source.o dce_scl_filters.o dce_transform.o \
dce_opp.o dce_dmcu.o dce_abm.o dce_ipp.o dce_aux.o \
-dce_i2c.o dce_i2c_hw.o dce_i2c_sw.o dmub_psr.o
+dce_i2c.o dce_i2c_hw.o dce_i2c_sw.o dmub_psr.o dmub_abm.o dce_panel_cntl.o
AMD_DAL_DCE = $(addprefix $(AMDDALPATH)/dc/dce/,$(DCE))
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index b8a3fc505c9b..4e87e70237e3 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -55,7 +55,7 @@
#define MCP_DISABLE_ABM_IMMEDIATELY 255
-static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id)
+static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id, uint32_t panel_inst)
{
struct dce_abm *abm_dce = TO_DCE_ABM(abm);
uint32_t rampingBoundary = 0xFFFF;
@@ -83,125 +83,12 @@ static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id)
return true;
}
-static unsigned int calculate_16_bit_backlight_from_pwm(struct dce_abm *abm_dce)
-{
- uint64_t current_backlight;
- uint32_t round_result;
- uint32_t pwm_period_cntl, bl_period, bl_int_count;
- uint32_t bl_pwm_cntl, bl_pwm, fractional_duty_cycle_en;
- uint32_t bl_period_mask, bl_pwm_mask;
-
- pwm_period_cntl = REG_READ(BL_PWM_PERIOD_CNTL);
- REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, &bl_period);
- REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, &bl_int_count);
-
- bl_pwm_cntl = REG_READ(BL_PWM_CNTL);
- REG_GET(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, (uint32_t *)(&bl_pwm));
- REG_GET(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, &fractional_duty_cycle_en);
-
- if (bl_int_count == 0)
- bl_int_count = 16;
-
- bl_period_mask = (1 << bl_int_count) - 1;
- bl_period &= bl_period_mask;
-
- bl_pwm_mask = bl_period_mask << (16 - bl_int_count);
-
- if (fractional_duty_cycle_en == 0)
- bl_pwm &= bl_pwm_mask;
- else
- bl_pwm &= 0xFFFF;
-
- current_backlight = bl_pwm << (1 + bl_int_count);
-
- if (bl_period == 0)
- bl_period = 0xFFFF;
-
- current_backlight = div_u64(current_backlight, bl_period);
- current_backlight = (current_backlight + 1) >> 1;
-
- current_backlight = (uint64_t)(current_backlight) * bl_period;
-
- round_result = (uint32_t)(current_backlight & 0xFFFFFFFF);
-
- round_result = (round_result >> (bl_int_count-1)) & 1;
-
- current_backlight >>= bl_int_count;
- current_backlight += round_result;
-
- return (uint32_t)(current_backlight);
-}
-
-static void driver_set_backlight_level(struct dce_abm *abm_dce,
- uint32_t backlight_pwm_u16_16)
-{
- uint32_t backlight_16bit;
- uint32_t masked_pwm_period;
- uint8_t bit_count;
- uint64_t active_duty_cycle;
- uint32_t pwm_period_bitcnt;
-
- /*
- * 1. Find 16 bit backlight active duty cycle, where 0 <= backlight
- * active duty cycle <= backlight period
- */
-
- /* 1.1 Apply bitmask for backlight period value based on value of BITCNT
- */
- REG_GET_2(BL_PWM_PERIOD_CNTL,
- BL_PWM_PERIOD_BITCNT, &pwm_period_bitcnt,
- BL_PWM_PERIOD, &masked_pwm_period);
-
- if (pwm_period_bitcnt == 0)
- bit_count = 16;
- else
- bit_count = pwm_period_bitcnt;
-
- /* e.g. maskedPwmPeriod = 0x24 when bitCount is 6 */
- masked_pwm_period = masked_pwm_period & ((1 << bit_count) - 1);
-
- /* 1.2 Calculate integer active duty cycle required upper 16 bits
- * contain integer component, lower 16 bits contain fractional component
- * of active duty cycle e.g. 0x21BDC0 = 0xEFF0 * 0x24
- */
- active_duty_cycle = backlight_pwm_u16_16 * masked_pwm_period;
-
- /* 1.3 Calculate 16 bit active duty cycle from integer and fractional
- * components shift by bitCount then mask 16 bits and add rounding bit
- * from MSB of fraction e.g. 0x86F7 = ((0x21BDC0 >> 6) & 0xFFF) + 0
- */
- backlight_16bit = active_duty_cycle >> bit_count;
- backlight_16bit &= 0xFFFF;
- backlight_16bit += (active_duty_cycle >> (bit_count - 1)) & 0x1;
-
- /*
- * 2. Program register with updated value
- */
-
- /* 2.1 Lock group 2 backlight registers */
-
- REG_UPDATE_2(BL_PWM_GRP1_REG_LOCK,
- BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, 1,
- BL_PWM_GRP1_REG_LOCK, 1);
-
- // 2.2 Write new active duty cycle
- REG_UPDATE(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, backlight_16bit);
-
- /* 2.3 Unlock group 2 backlight registers */
- REG_UPDATE(BL_PWM_GRP1_REG_LOCK,
- BL_PWM_GRP1_REG_LOCK, 0);
-
- /* 3 Wait for pending bit to be cleared */
- REG_WAIT(BL_PWM_GRP1_REG_LOCK,
- BL_PWM_GRP1_REG_UPDATE_PENDING, 0,
- 1, 10000);
-}
-
static void dmcu_set_backlight_level(
struct dce_abm *abm_dce,
uint32_t backlight_pwm_u16_16,
uint32_t frame_ramp,
- uint32_t controller_id)
+ uint32_t controller_id,
+ uint32_t panel_id)
{
unsigned int backlight_8_bit = 0;
uint32_t s2;
@@ -213,7 +100,7 @@ static void dmcu_set_backlight_level(
// Take MSB of fractional part since backlight is not max
backlight_8_bit = (backlight_pwm_u16_16 >> 8) & 0xFF;
- dce_abm_set_pipe(&abm_dce->base, controller_id);
+ dce_abm_set_pipe(&abm_dce->base, controller_id, panel_id);
/* waitDMCUReadyForCmd */
REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT,
@@ -248,10 +135,9 @@ static void dmcu_set_backlight_level(
0, 1, 80000);
}
-static void dce_abm_init(struct abm *abm)
+static void dce_abm_init(struct abm *abm, uint32_t backlight)
{
struct dce_abm *abm_dce = TO_DCE_ABM(abm);
- unsigned int backlight = calculate_16_bit_backlight_from_pwm(abm_dce);
REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x103);
REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x101);
@@ -331,86 +217,12 @@ static bool dce_abm_set_level(struct abm *abm, uint32_t level)
return true;
}
-static bool dce_abm_immediate_disable(struct abm *abm)
+static bool dce_abm_immediate_disable(struct abm *abm, uint32_t panel_inst)
{
- struct dce_abm *abm_dce = TO_DCE_ABM(abm);
-
if (abm->dmcu_is_running == false)
return true;
- dce_abm_set_pipe(abm, MCP_DISABLE_ABM_IMMEDIATELY);
-
- abm->stored_backlight_registers.BL_PWM_CNTL =
- REG_READ(BL_PWM_CNTL);
- abm->stored_backlight_registers.BL_PWM_CNTL2 =
- REG_READ(BL_PWM_CNTL2);
- abm->stored_backlight_registers.BL_PWM_PERIOD_CNTL =
- REG_READ(BL_PWM_PERIOD_CNTL);
-
- REG_GET(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV,
- &abm->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
- return true;
-}
-
-static bool dce_abm_init_backlight(struct abm *abm)
-{
- struct dce_abm *abm_dce = TO_DCE_ABM(abm);
- uint32_t value;
-
- /* It must not be 0, so we have to restore them
- * Bios bug w/a - period resets to zero,
- * restoring to cache values which is always correct
- */
- REG_GET(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, &value);
- if (value == 0 || value == 1) {
- if (abm->stored_backlight_registers.BL_PWM_CNTL != 0) {
- REG_WRITE(BL_PWM_CNTL,
- abm->stored_backlight_registers.BL_PWM_CNTL);
- REG_WRITE(BL_PWM_CNTL2,
- abm->stored_backlight_registers.BL_PWM_CNTL2);
- REG_WRITE(BL_PWM_PERIOD_CNTL,
- abm->stored_backlight_registers.BL_PWM_PERIOD_CNTL);
- REG_UPDATE(LVTMA_PWRSEQ_REF_DIV,
- BL_PWM_REF_DIV,
- abm->stored_backlight_registers.
- LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
- } else {
- /* TODO: Note: This should not really happen since VBIOS
- * should have initialized PWM registers on boot.
- */
- REG_WRITE(BL_PWM_CNTL, 0xC000FA00);
- REG_WRITE(BL_PWM_PERIOD_CNTL, 0x000C0FA0);
- }
- } else {
- abm->stored_backlight_registers.BL_PWM_CNTL =
- REG_READ(BL_PWM_CNTL);
- abm->stored_backlight_registers.BL_PWM_CNTL2 =
- REG_READ(BL_PWM_CNTL2);
- abm->stored_backlight_registers.BL_PWM_PERIOD_CNTL =
- REG_READ(BL_PWM_PERIOD_CNTL);
-
- REG_GET(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV,
- &abm->stored_backlight_registers.
- LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
- }
-
- /* Have driver take backlight control
- * TakeBacklightControl(true)
- */
- value = REG_READ(BIOS_SCRATCH_2);
- value |= ATOM_S2_VRI_BRIGHT_ENABLE;
- REG_WRITE(BIOS_SCRATCH_2, value);
-
- /* Enable the backlight output */
- REG_UPDATE(BL_PWM_CNTL, BL_PWM_EN, 1);
-
- /* Disable fractional pwm if configured */
- REG_UPDATE(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN,
- abm->ctx->dc->config.disable_fractional_pwm ? 0 : 1);
-
- /* Unlock group 2 backlight registers */
- REG_UPDATE(BL_PWM_GRP1_REG_LOCK,
- BL_PWM_GRP1_REG_LOCK, 0);
+ dce_abm_set_pipe(abm, MCP_DISABLE_ABM_IMMEDIATELY, panel_inst);
return true;
}
@@ -420,21 +232,18 @@ static bool dce_abm_set_backlight_level_pwm(
unsigned int backlight_pwm_u16_16,
unsigned int frame_ramp,
unsigned int controller_id,
- bool use_smooth_brightness)
+ unsigned int panel_inst)
{
struct dce_abm *abm_dce = TO_DCE_ABM(abm);
DC_LOG_BACKLIGHT("New Backlight level: %d (0x%X)\n",
backlight_pwm_u16_16, backlight_pwm_u16_16);
- /* If DMCU is in reset state, DMCU is uninitialized */
- if (use_smooth_brightness)
- dmcu_set_backlight_level(abm_dce,
- backlight_pwm_u16_16,
- frame_ramp,
- controller_id);
- else
- driver_set_backlight_level(abm_dce, backlight_pwm_u16_16);
+ dmcu_set_backlight_level(abm_dce,
+ backlight_pwm_u16_16,
+ frame_ramp,
+ controller_id,
+ panel_inst);
return true;
}
@@ -442,12 +251,12 @@ static bool dce_abm_set_backlight_level_pwm(
static const struct abm_funcs dce_funcs = {
.abm_init = dce_abm_init,
.set_abm_level = dce_abm_set_level,
- .init_backlight = dce_abm_init_backlight,
.set_pipe = dce_abm_set_pipe,
.set_backlight_level_pwm = dce_abm_set_backlight_level_pwm,
.get_current_backlight = dce_abm_get_current_backlight,
.get_target_backlight = dce_abm_get_target_backlight,
- .set_abm_immediate_disable = dce_abm_immediate_disable
+ .init_abm_config = NULL,
+ .set_abm_immediate_disable = dce_abm_immediate_disable,
};
static void dce_abm_construct(
@@ -461,10 +270,6 @@ static void dce_abm_construct(
base->ctx = ctx;
base->funcs = &dce_funcs;
- base->stored_backlight_registers.BL_PWM_CNTL = 0;
- base->stored_backlight_registers.BL_PWM_CNTL2 = 0;
- base->stored_backlight_registers.BL_PWM_PERIOD_CNTL = 0;
- base->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV = 0;
base->dmcu_is_running = false;
abm_dce->regs = regs;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.h b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.h
index ba0caaffa24b..9718a4823372 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.h
@@ -30,11 +30,6 @@
#include "abm.h"
#define ABM_COMMON_REG_LIST_DCE_BASE() \
- SR(BL_PWM_PERIOD_CNTL), \
- SR(BL_PWM_CNTL), \
- SR(BL_PWM_CNTL2), \
- SR(BL_PWM_GRP1_REG_LOCK), \
- SR(LVTMA_PWRSEQ_REF_DIV), \
SR(MASTER_COMM_CNTL_REG), \
SR(MASTER_COMM_CMD_REG), \
SR(MASTER_COMM_DATA_REG1)
@@ -85,15 +80,6 @@
.field_name = reg_name ## __ ## field_name ## post_fix
#define ABM_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(mask_sh) \
- ABM_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, mask_sh), \
- ABM_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, mask_sh), \
- ABM_SF(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, mask_sh), \
- ABM_SF(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, mask_sh), \
- ABM_SF(BL_PWM_CNTL, BL_PWM_EN, mask_sh), \
- ABM_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, mask_sh), \
- ABM_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_LOCK, mask_sh), \
- ABM_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_UPDATE_PENDING, mask_sh), \
- ABM_SF(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, mask_sh), \
ABM_SF(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, mask_sh), \
ABM_SF(MASTER_COMM_CMD_REG, MASTER_COMM_CMD_REG_BYTE0, mask_sh), \
ABM_SF(MASTER_COMM_CMD_REG, MASTER_COMM_CMD_REG_BYTE1, mask_sh), \
@@ -178,19 +164,10 @@
type ABM1_HG_REG_READ_MISSED_FRAME_CLEAR; \
type ABM1_LS_REG_READ_MISSED_FRAME_CLEAR; \
type ABM1_BL_REG_READ_MISSED_FRAME_CLEAR; \
- type BL_PWM_PERIOD; \
- type BL_PWM_PERIOD_BITCNT; \
- type BL_ACTIVE_INT_FRAC_CNT; \
- type BL_PWM_FRACTIONAL_EN; \
type MASTER_COMM_INTERRUPT; \
type MASTER_COMM_CMD_REG_BYTE0; \
type MASTER_COMM_CMD_REG_BYTE1; \
- type MASTER_COMM_CMD_REG_BYTE2; \
- type BL_PWM_REF_DIV; \
- type BL_PWM_EN; \
- type BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN; \
- type BL_PWM_GRP1_REG_LOCK; \
- type BL_PWM_GRP1_REG_UPDATE_PENDING
+ type MASTER_COMM_CMD_REG_BYTE2
struct dce_abm_shift {
ABM_REG_FIELD_LIST(uint8_t);
@@ -201,10 +178,6 @@ struct dce_abm_mask {
};
struct dce_abm_registers {
- uint32_t BL_PWM_PERIOD_CNTL;
- uint32_t BL_PWM_CNTL;
- uint32_t BL_PWM_CNTL2;
- uint32_t LVTMA_PWRSEQ_REF_DIV;
uint32_t DC_ABM1_HG_SAMPLE_RATE;
uint32_t DC_ABM1_LS_SAMPLE_RATE;
uint32_t BL1_PWM_BL_UPDATE_SAMPLE_RATE;
@@ -219,7 +192,6 @@ struct dce_abm_registers {
uint32_t MASTER_COMM_CMD_REG;
uint32_t MASTER_COMM_DATA_REG1;
uint32_t BIOS_SCRATCH_2;
- uint32_t BL_PWM_GRP1_REG_LOCK;
};
struct dce_abm {
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index 2e992fbc0d71..d2ad0504b0de 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -1014,39 +1014,6 @@ struct pixel_rate_range_table_entry {
unsigned short div_factor;
};
-static const struct pixel_rate_range_table_entry video_optimized_pixel_rates[] = {
- // /1.001 rates
- {25170, 25180, 25200, 1000, 1001}, //25.2MHz -> 25.17
- {59340, 59350, 59400, 1000, 1001}, //59.4Mhz -> 59.340
- {74170, 74180, 74250, 1000, 1001}, //74.25Mhz -> 74.1758
- {125870, 125880, 126000, 1000, 1001}, //126Mhz -> 125.87
- {148350, 148360, 148500, 1000, 1001}, //148.5Mhz -> 148.3516
- {167830, 167840, 168000, 1000, 1001}, //168Mhz -> 167.83
- {222520, 222530, 222750, 1000, 1001}, //222.75Mhz -> 222.527
- {257140, 257150, 257400, 1000, 1001}, //257.4Mhz -> 257.1429
- {296700, 296710, 297000, 1000, 1001}, //297Mhz -> 296.7033
- {342850, 342860, 343200, 1000, 1001}, //343.2Mhz -> 342.857
- {395600, 395610, 396000, 1000, 1001}, //396Mhz -> 395.6
- {409090, 409100, 409500, 1000, 1001}, //409.5Mhz -> 409.091
- {445050, 445060, 445500, 1000, 1001}, //445.5Mhz -> 445.055
- {467530, 467540, 468000, 1000, 1001}, //468Mhz -> 467.5325
- {519230, 519240, 519750, 1000, 1001}, //519.75Mhz -> 519.231
- {525970, 525980, 526500, 1000, 1001}, //526.5Mhz -> 525.974
- {545450, 545460, 546000, 1000, 1001}, //546Mhz -> 545.455
- {593400, 593410, 594000, 1000, 1001}, //594Mhz -> 593.4066
- {623370, 623380, 624000, 1000, 1001}, //624Mhz -> 623.377
- {692300, 692310, 693000, 1000, 1001}, //693Mhz -> 692.308
- {701290, 701300, 702000, 1000, 1001}, //702Mhz -> 701.2987
- {791200, 791210, 792000, 1000, 1001}, //792Mhz -> 791.209
- {890100, 890110, 891000, 1000, 1001}, //891Mhz -> 890.1099
- {1186810, 1186820, 1188000, 1000, 1001},//1188Mhz -> 1186.8131
-
- // *1.001 rates
- {27020, 27030, 27000, 1001, 1000}, //27Mhz
- {54050, 54060, 54000, 1001, 1000}, //54Mhz
- {108100, 108110, 108000, 1001, 1000},//108Mhz
-};
-
static bool dcn20_program_pix_clk(
struct clock_source *clock_source,
struct pixel_clk_params *pix_clk_params,
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
index c5aa1f48593a..5479d959ec62 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
@@ -27,10 +27,6 @@
#include "dc_types.h"
-#define BL_REG_LIST()\
- SR(LVTMA_PWRSEQ_CNTL), \
- SR(LVTMA_PWRSEQ_STATE)
-
#define HWSEQ_DCEF_REG_LIST_DCE8() \
.DCFE_CLOCK_CONTROL[0] = mmCRTC0_CRTC_DCFE_CLOCK_CONTROL, \
.DCFE_CLOCK_CONTROL[1] = mmCRTC1_CRTC_DCFE_CLOCK_CONTROL, \
@@ -94,20 +90,17 @@
SRII(BLND_CONTROL, BLND, 0),\
SRII(BLND_CONTROL, BLND, 1),\
SR(BLNDV_CONTROL),\
- HWSEQ_PIXEL_RATE_REG_LIST(CRTC),\
- BL_REG_LIST()
+ HWSEQ_PIXEL_RATE_REG_LIST(CRTC)
#define HWSEQ_DCE8_REG_LIST() \
HWSEQ_DCEF_REG_LIST_DCE8(), \
HWSEQ_BLND_REG_LIST(), \
- HWSEQ_PIXEL_RATE_REG_LIST(CRTC),\
- BL_REG_LIST()
+ HWSEQ_PIXEL_RATE_REG_LIST(CRTC)
#define HWSEQ_DCE10_REG_LIST() \
HWSEQ_DCEF_REG_LIST(), \
HWSEQ_BLND_REG_LIST(), \
- HWSEQ_PIXEL_RATE_REG_LIST(CRTC), \
- BL_REG_LIST()
+ HWSEQ_PIXEL_RATE_REG_LIST(CRTC)
#define HWSEQ_ST_REG_LIST() \
HWSEQ_DCE11_REG_LIST_BASE(), \
@@ -134,8 +127,7 @@
SR(DCHUB_FB_LOCATION),\
SR(DCHUB_AGP_BASE),\
SR(DCHUB_AGP_BOT),\
- SR(DCHUB_AGP_TOP), \
- BL_REG_LIST()
+ SR(DCHUB_AGP_TOP)
#define HWSEQ_VG20_REG_LIST() \
HWSEQ_DCE120_REG_LIST(),\
@@ -144,8 +136,7 @@
#define HWSEQ_DCE112_REG_LIST() \
HWSEQ_DCE10_REG_LIST(), \
HWSEQ_PIXEL_RATE_REG_LIST(CRTC), \
- HWSEQ_PHYPLL_REG_LIST(CRTC), \
- BL_REG_LIST()
+ HWSEQ_PHYPLL_REG_LIST(CRTC)
#define HWSEQ_DCN_REG_LIST()\
SR(REFCLK_CNTL), \
@@ -207,8 +198,7 @@
SR(D3VGA_CONTROL), \
SR(D4VGA_CONTROL), \
SR(VGA_TEST_CONTROL), \
- SR(DC_IP_REQUEST_CNTL), \
- BL_REG_LIST()
+ SR(DC_IP_REQUEST_CNTL)
#define HWSEQ_DCN2_REG_LIST()\
HWSEQ_DCN_REG_LIST(), \
@@ -273,8 +263,7 @@
SR(D4VGA_CONTROL), \
SR(D5VGA_CONTROL), \
SR(D6VGA_CONTROL), \
- SR(DC_IP_REQUEST_CNTL), \
- BL_REG_LIST()
+ SR(DC_IP_REQUEST_CNTL)
#define HWSEQ_DCN21_REG_LIST()\
HWSEQ_DCN_REG_LIST(), \
@@ -324,15 +313,9 @@
SR(D4VGA_CONTROL), \
SR(D5VGA_CONTROL), \
SR(D6VGA_CONTROL), \
- SR(DC_IP_REQUEST_CNTL), \
- BL_REG_LIST()
+ SR(DC_IP_REQUEST_CNTL)
struct dce_hwseq_registers {
-
- /* Backlight registers */
- uint32_t LVTMA_PWRSEQ_CNTL;
- uint32_t LVTMA_PWRSEQ_STATE;
-
uint32_t DCFE_CLOCK_CONTROL[6];
uint32_t DCFEV_CLOCK_CONTROL;
uint32_t DC_MEM_GLOBAL_PWR_REQ_CNTL;
@@ -465,26 +448,18 @@ struct dce_hwseq_registers {
HWS_SF1(blk, PHYPLL_PIXEL_RATE_CNTL, PHYPLL_PIXEL_RATE_SOURCE, mask_sh),\
HWS_SF1(blk, PHYPLL_PIXEL_RATE_CNTL, PIXEL_RATE_PLL_SOURCE, mask_sh)
-#define HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)\
- HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh),\
- HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_DIGON, mask_sh),\
- HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_DIGON_OVRD, mask_sh),\
- HWS_SF(, LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh)
-
#define HWSEQ_DCE8_MASK_SH_LIST(mask_sh)\
.DCFE_CLOCK_ENABLE = CRTC_DCFE_CLOCK_CONTROL__CRTC_DCFE_CLOCK_ENABLE ## mask_sh, \
HWS_SF(BLND_, V_UPDATE_LOCK, BLND_DCP_GRPH_V_UPDATE_LOCK, mask_sh),\
HWS_SF(BLND_, V_UPDATE_LOCK, BLND_SCL_V_UPDATE_LOCK, mask_sh),\
HWS_SF(BLND_, V_UPDATE_LOCK, BLND_DCP_GRPH_SURF_V_UPDATE_LOCK, mask_sh),\
HWS_SF(BLND_, CONTROL, BLND_MODE, mask_sh),\
- HWSEQ_PIXEL_RATE_MASK_SH_LIST(mask_sh, CRTC0_),\
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)
+ HWSEQ_PIXEL_RATE_MASK_SH_LIST(mask_sh, CRTC0_)
#define HWSEQ_DCE10_MASK_SH_LIST(mask_sh)\
HWSEQ_DCEF_MASK_SH_LIST(mask_sh, DCFE_),\
HWSEQ_BLND_MASK_SH_LIST(mask_sh, BLND_),\
- HWSEQ_PIXEL_RATE_MASK_SH_LIST(mask_sh, CRTC0_),\
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)
+ HWSEQ_PIXEL_RATE_MASK_SH_LIST(mask_sh, CRTC0_)
#define HWSEQ_DCE11_MASK_SH_LIST(mask_sh)\
HWSEQ_DCE10_MASK_SH_LIST(mask_sh),\
@@ -507,8 +482,7 @@ struct dce_hwseq_registers {
HWSEQ_BLND_MASK_SH_LIST(mask_sh, BLND0_BLND_),\
HWSEQ_PIXEL_RATE_MASK_SH_LIST(mask_sh, CRTC0_),\
HWSEQ_PHYPLL_MASK_SH_LIST(mask_sh, CRTC0_),\
- HWSEQ_GFX9_DCHUB_MASK_SH_LIST(mask_sh),\
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)
+ HWSEQ_GFX9_DCHUB_MASK_SH_LIST(mask_sh)
#define HWSEQ_VG20_MASK_SH_LIST(mask_sh)\
HWSEQ_DCE12_MASK_SH_LIST(mask_sh),\
@@ -570,8 +544,7 @@ struct dce_hwseq_registers {
HWS_SF(, D3VGA_CONTROL, D3VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, D4VGA_CONTROL, D4VGA_MODE_ENABLE, mask_sh),\
HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_ENABLE, mask_sh),\
- HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_RENDER_START, mask_sh),\
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)
+ HWS_SF(, VGA_TEST_CONTROL, VGA_TEST_RENDER_START, mask_sh)
#define HWSEQ_DCN2_MASK_SH_LIST(mask_sh)\
HWSEQ_DCN_MASK_SH_LIST(mask_sh), \
@@ -630,8 +603,7 @@ struct dce_hwseq_registers {
HWS_SF(, DOMAIN19_PG_STATUS, DOMAIN19_PGFSM_PWR_STATUS, mask_sh), \
HWS_SF(, DOMAIN20_PG_STATUS, DOMAIN20_PGFSM_PWR_STATUS, mask_sh), \
HWS_SF(, DOMAIN21_PG_STATUS, DOMAIN21_PGFSM_PWR_STATUS, mask_sh), \
- HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh)
+ HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh)
#define HWSEQ_DCN21_MASK_SH_LIST(mask_sh)\
HWSEQ_DCN_MASK_SH_LIST(mask_sh), \
@@ -671,10 +643,7 @@ struct dce_hwseq_registers {
HWS_SF(, DOMAIN16_PG_STATUS, DOMAIN16_PGFSM_PWR_STATUS, mask_sh), \
HWS_SF(, DOMAIN17_PG_STATUS, DOMAIN17_PGFSM_PWR_STATUS, mask_sh), \
HWS_SF(, DOMAIN18_PG_STATUS, DOMAIN18_PGFSM_PWR_STATUS, mask_sh), \
- HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
- HWSEQ_LVTMA_MASK_SH_LIST(mask_sh), \
- HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh), \
- HWS_SF(, LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh)
+ HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh)
#define HWSEQ_REG_FIELD_LIST(type) \
type DCFE_CLOCK_ENABLE; \
@@ -706,11 +675,7 @@ struct dce_hwseq_registers {
type PF_LFB_REGION;\
type PF_MAX_REGION;\
type ENABLE_L1_TLB;\
- type SYSTEM_ACCESS_MODE;\
- type LVTMA_BLON;\
- type LVTMA_DIGON;\
- type LVTMA_DIGON_OVRD;\
- type LVTMA_PWRSEQ_TARGET_STATE_R;
+ type SYSTEM_ACCESS_MODE;
#define HWSEQ_DCN_REG_FIELD_LIST(type) \
type HUBP_VTG_SEL; \
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index 8527cce81c6f..8d8c84c81b34 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -118,7 +118,8 @@ static const struct link_encoder_funcs dce110_lnk_enc_funcs = {
.enable_hpd = dce110_link_encoder_enable_hpd,
.disable_hpd = dce110_link_encoder_disable_hpd,
.is_dig_enabled = dce110_is_dig_enabled,
- .destroy = dce110_link_encoder_destroy
+ .destroy = dce110_link_encoder_destroy,
+ .get_max_link_cap = dce110_link_encoder_get_max_link_cap
};
static enum bp_result link_transmitter_control(
@@ -1389,3 +1390,20 @@ void dce110_link_encoder_disable_hpd(struct link_encoder *enc)
set_reg_field_value(value, 0, DC_HPD_CONTROL, DC_HPD_EN);
}
+
+void dce110_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings)
+{
+ /* Set Default link settings */
+ struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
+ LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
+
+ /* Higher link settings based on feature supported */
+ if (enc->features.flags.bits.IS_HBR2_CAPABLE)
+ max_link_cap.link_rate = LINK_RATE_HIGH2;
+
+ if (enc->features.flags.bits.IS_HBR3_CAPABLE)
+ max_link_cap.link_rate = LINK_RATE_HIGH3;
+
+ *link_settings = max_link_cap;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
index 3c9368df4093..384389f0e2c3 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.h
@@ -271,4 +271,7 @@ void dce110_psr_program_secondary_packet(struct link_encoder *enc,
bool dce110_is_dig_enabled(struct link_encoder *enc);
+void dce110_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings);
+
#endif /* __DC_LINK_ENCODER__DCE110_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c
new file mode 100644
index 000000000000..ebff9b1e312e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.c
@@ -0,0 +1,299 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "reg_helper.h"
+#include "core_types.h"
+#include "dc_dmub_srv.h"
+#include "panel_cntl.h"
+#include "dce_panel_cntl.h"
+#include "atom.h"
+
+#define TO_DCE_PANEL_CNTL(panel_cntl)\
+ container_of(panel_cntl, struct dce_panel_cntl, base)
+
+#define CTX \
+ dce_panel_cntl->base.ctx
+
+#define DC_LOGGER \
+ dce_panel_cntl->base.ctx->logger
+
+#define REG(reg)\
+ dce_panel_cntl->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+ dce_panel_cntl->shift->field_name, dce_panel_cntl->mask->field_name
+
+static unsigned int calculate_16_bit_backlight_from_pwm(struct dce_panel_cntl *dce_panel_cntl)
+{
+ uint64_t current_backlight;
+ uint32_t round_result;
+ uint32_t pwm_period_cntl, bl_period, bl_int_count;
+ uint32_t bl_pwm_cntl, bl_pwm, fractional_duty_cycle_en;
+ uint32_t bl_period_mask, bl_pwm_mask;
+
+ pwm_period_cntl = REG_READ(BL_PWM_PERIOD_CNTL);
+ REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, &bl_period);
+ REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, &bl_int_count);
+
+ bl_pwm_cntl = REG_READ(BL_PWM_CNTL);
+ REG_GET(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, (uint32_t *)(&bl_pwm));
+ REG_GET(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, &fractional_duty_cycle_en);
+
+ if (bl_int_count == 0)
+ bl_int_count = 16;
+
+ bl_period_mask = (1 << bl_int_count) - 1;
+ bl_period &= bl_period_mask;
+
+ bl_pwm_mask = bl_period_mask << (16 - bl_int_count);
+
+ if (fractional_duty_cycle_en == 0)
+ bl_pwm &= bl_pwm_mask;
+ else
+ bl_pwm &= 0xFFFF;
+
+ current_backlight = bl_pwm << (1 + bl_int_count);
+
+ if (bl_period == 0)
+ bl_period = 0xFFFF;
+
+ current_backlight = div_u64(current_backlight, bl_period);
+ current_backlight = (current_backlight + 1) >> 1;
+
+ current_backlight = (uint64_t)(current_backlight) * bl_period;
+
+ round_result = (uint32_t)(current_backlight & 0xFFFFFFFF);
+
+ round_result = (round_result >> (bl_int_count-1)) & 1;
+
+ current_backlight >>= bl_int_count;
+ current_backlight += round_result;
+
+ return (uint32_t)(current_backlight);
+}
+
+uint32_t dce_panel_cntl_hw_init(struct panel_cntl *panel_cntl)
+{
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
+ uint32_t value;
+ uint32_t current_backlight;
+
+ /* It must not be 0, so we have to restore them
+ * Bios bug w/a - period resets to zero,
+ * restoring to cache values which is always correct
+ */
+ REG_GET(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, &value);
+
+ if (value == 0 || value == 1) {
+ if (panel_cntl->stored_backlight_registers.BL_PWM_CNTL != 0) {
+ REG_WRITE(BL_PWM_CNTL,
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL);
+ REG_WRITE(BL_PWM_CNTL2,
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL2);
+ REG_WRITE(BL_PWM_PERIOD_CNTL,
+ panel_cntl->stored_backlight_registers.BL_PWM_PERIOD_CNTL);
+ REG_UPDATE(PWRSEQ_REF_DIV,
+ BL_PWM_REF_DIV,
+ panel_cntl->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
+ } else {
+ /* TODO: Note: This should not really happen since VBIOS
+ * should have initialized PWM registers on boot.
+ */
+ REG_WRITE(BL_PWM_CNTL, 0xC000FA00);
+ REG_WRITE(BL_PWM_PERIOD_CNTL, 0x000C0FA0);
+ }
+ } else {
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL =
+ REG_READ(BL_PWM_CNTL);
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL2 =
+ REG_READ(BL_PWM_CNTL2);
+ panel_cntl->stored_backlight_registers.BL_PWM_PERIOD_CNTL =
+ REG_READ(BL_PWM_PERIOD_CNTL);
+
+ REG_GET(PWRSEQ_REF_DIV, BL_PWM_REF_DIV,
+ &panel_cntl->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
+ }
+
+ // Have driver take backlight control
+ // TakeBacklightControl(true)
+ value = REG_READ(BIOS_SCRATCH_2);
+ value |= ATOM_S2_VRI_BRIGHT_ENABLE;
+ REG_WRITE(BIOS_SCRATCH_2, value);
+
+ // Enable the backlight output
+ REG_UPDATE(BL_PWM_CNTL, BL_PWM_EN, 1);
+
+ // Unlock group 2 backlight registers
+ REG_UPDATE(BL_PWM_GRP1_REG_LOCK,
+ BL_PWM_GRP1_REG_LOCK, 0);
+
+ current_backlight = calculate_16_bit_backlight_from_pwm(dce_panel_cntl);
+
+ return current_backlight;
+}
+
+bool dce_is_panel_backlight_on(struct panel_cntl *panel_cntl)
+{
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
+ uint32_t value;
+
+ REG_GET(PWRSEQ_CNTL, LVTMA_BLON, &value);
+
+ return value;
+}
+
+bool dce_is_panel_powered_on(struct panel_cntl *panel_cntl)
+{
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
+ uint32_t pwr_seq_state, dig_on, dig_on_ovrd;
+
+ REG_GET(PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, &pwr_seq_state);
+
+ REG_GET_2(PWRSEQ_CNTL, LVTMA_DIGON, &dig_on, LVTMA_DIGON_OVRD, &dig_on_ovrd);
+
+ return (pwr_seq_state == 1) || (dig_on == 1 && dig_on_ovrd == 1);
+}
+
+void dce_store_backlight_level(struct panel_cntl *panel_cntl)
+{
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
+
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL =
+ REG_READ(BL_PWM_CNTL);
+ panel_cntl->stored_backlight_registers.BL_PWM_CNTL2 =
+ REG_READ(BL_PWM_CNTL2);
+ panel_cntl->stored_backlight_registers.BL_PWM_PERIOD_CNTL =
+ REG_READ(BL_PWM_PERIOD_CNTL);
+
+ REG_GET(PWRSEQ_REF_DIV, BL_PWM_REF_DIV,
+ &panel_cntl->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV);
+}
+
+void dce_driver_set_backlight(struct panel_cntl *panel_cntl,
+ uint32_t backlight_pwm_u16_16)
+{
+ uint32_t backlight_16bit;
+ uint32_t masked_pwm_period;
+ uint8_t bit_count;
+ uint64_t active_duty_cycle;
+ uint32_t pwm_period_bitcnt;
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(panel_cntl);
+
+ /*
+ * 1. Find 16 bit backlight active duty cycle, where 0 <= backlight
+ * active duty cycle <= backlight period
+ */
+
+ /* 1.1 Apply bitmask for backlight period value based on value of BITCNT
+ */
+ REG_GET_2(BL_PWM_PERIOD_CNTL,
+ BL_PWM_PERIOD_BITCNT, &pwm_period_bitcnt,
+ BL_PWM_PERIOD, &masked_pwm_period);
+
+ if (pwm_period_bitcnt == 0)
+ bit_count = 16;
+ else
+ bit_count = pwm_period_bitcnt;
+
+ /* e.g. maskedPwmPeriod = 0x24 when bitCount is 6 */
+ masked_pwm_period = masked_pwm_period & ((1 << bit_count) - 1);
+
+ /* 1.2 Calculate integer active duty cycle required upper 16 bits
+ * contain integer component, lower 16 bits contain fractional component
+ * of active duty cycle e.g. 0x21BDC0 = 0xEFF0 * 0x24
+ */
+ active_duty_cycle = backlight_pwm_u16_16 * masked_pwm_period;
+
+ /* 1.3 Calculate 16 bit active duty cycle from integer and fractional
+ * components shift by bitCount then mask 16 bits and add rounding bit
+ * from MSB of fraction e.g. 0x86F7 = ((0x21BDC0 >> 6) & 0xFFF) + 0
+ */
+ backlight_16bit = active_duty_cycle >> bit_count;
+ backlight_16bit &= 0xFFFF;
+ backlight_16bit += (active_duty_cycle >> (bit_count - 1)) & 0x1;
+
+ /*
+ * 2. Program register with updated value
+ */
+
+ /* 2.1 Lock group 2 backlight registers */
+
+ REG_UPDATE_2(BL_PWM_GRP1_REG_LOCK,
+ BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, 1,
+ BL_PWM_GRP1_REG_LOCK, 1);
+
+ // 2.2 Write new active duty cycle
+ REG_UPDATE(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, backlight_16bit);
+
+ /* 2.3 Unlock group 2 backlight registers */
+ REG_UPDATE(BL_PWM_GRP1_REG_LOCK,
+ BL_PWM_GRP1_REG_LOCK, 0);
+
+ /* 3 Wait for pending bit to be cleared */
+ REG_WAIT(BL_PWM_GRP1_REG_LOCK,
+ BL_PWM_GRP1_REG_UPDATE_PENDING, 0,
+ 1, 10000);
+}
+
+static void dce_panel_cntl_destroy(struct panel_cntl **panel_cntl)
+{
+ struct dce_panel_cntl *dce_panel_cntl = TO_DCE_PANEL_CNTL(*panel_cntl);
+
+ kfree(dce_panel_cntl);
+ *panel_cntl = NULL;
+}
+
+static const struct panel_cntl_funcs dce_link_panel_cntl_funcs = {
+ .destroy = dce_panel_cntl_destroy,
+ .hw_init = dce_panel_cntl_hw_init,
+ .is_panel_backlight_on = dce_is_panel_backlight_on,
+ .is_panel_powered_on = dce_is_panel_powered_on,
+ .store_backlight_level = dce_store_backlight_level,
+ .driver_set_backlight = dce_driver_set_backlight,
+};
+
+void dce_panel_cntl_construct(
+ struct dce_panel_cntl *dce_panel_cntl,
+ const struct panel_cntl_init_data *init_data,
+ const struct dce_panel_cntl_registers *regs,
+ const struct dce_panel_cntl_shift *shift,
+ const struct dce_panel_cntl_mask *mask)
+{
+ struct panel_cntl *base = &dce_panel_cntl->base;
+
+ base->stored_backlight_registers.BL_PWM_CNTL = 0;
+ base->stored_backlight_registers.BL_PWM_CNTL2 = 0;
+ base->stored_backlight_registers.BL_PWM_PERIOD_CNTL = 0;
+ base->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV = 0;
+
+ dce_panel_cntl->regs = regs;
+ dce_panel_cntl->shift = shift;
+ dce_panel_cntl->mask = mask;
+
+ dce_panel_cntl->base.funcs = &dce_link_panel_cntl_funcs;
+ dce_panel_cntl->base.ctx = init_data->ctx;
+ dce_panel_cntl->base.inst = init_data->inst;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h
new file mode 100644
index 000000000000..70ec691e14d2
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_panel_cntl.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DC_PANEL_CNTL__DCE_H__
+#define __DC_PANEL_CNTL__DCE_H__
+
+#include "panel_cntl.h"
+
+/* set register offset with instance */
+#define DCE_PANEL_CNTL_SR(reg_name, block)\
+ .reg_name = mm ## block ## _ ## reg_name
+
+#define DCE_PANEL_CNTL_REG_LIST()\
+ DCE_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
+ DCE_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
+ DCE_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
+ SR(BL_PWM_CNTL), \
+ SR(BL_PWM_CNTL2), \
+ SR(BL_PWM_PERIOD_CNTL), \
+ SR(BL_PWM_GRP1_REG_LOCK), \
+ SR(BIOS_SCRATCH_2)
+
+#define DCN_PANEL_CNTL_SR(reg_name, block)\
+ .reg_name = BASE(mm ## block ## _ ## reg_name ## _BASE_IDX) + \
+ mm ## block ## _ ## reg_name
+
+#define DCN_PANEL_CNTL_REG_LIST()\
+ DCN_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
+ DCN_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
+ DCE_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
+ SR(BL_PWM_CNTL), \
+ SR(BL_PWM_CNTL2), \
+ SR(BL_PWM_PERIOD_CNTL), \
+ SR(BL_PWM_GRP1_REG_LOCK), \
+ SR(BIOS_SCRATCH_2)
+
+#define DCE_PANEL_CNTL_SF(reg_name, field_name, post_fix)\
+ .field_name = reg_name ## __ ## field_name ## post_fix
+
+#define DCE_PANEL_CNTL_MASK_SH_LIST(mask_sh) \
+ DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh),\
+ DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON, mask_sh),\
+ DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON_OVRD, mask_sh),\
+ DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh), \
+ DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_EN, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_LOCK, mask_sh), \
+ DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_UPDATE_PENDING, mask_sh)
+
+#define DCE_PANEL_CNTL_REG_FIELD_LIST(type) \
+ type LVTMA_BLON;\
+ type LVTMA_DIGON;\
+ type LVTMA_DIGON_OVRD;\
+ type LVTMA_PWRSEQ_TARGET_STATE_R; \
+ type BL_PWM_REF_DIV; \
+ type BL_PWM_EN; \
+ type BL_ACTIVE_INT_FRAC_CNT; \
+ type BL_PWM_FRACTIONAL_EN; \
+ type BL_PWM_PERIOD; \
+ type BL_PWM_PERIOD_BITCNT; \
+ type BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN; \
+ type BL_PWM_GRP1_REG_LOCK; \
+ type BL_PWM_GRP1_REG_UPDATE_PENDING
+
+struct dce_panel_cntl_shift {
+ DCE_PANEL_CNTL_REG_FIELD_LIST(uint8_t);
+};
+
+struct dce_panel_cntl_mask {
+ DCE_PANEL_CNTL_REG_FIELD_LIST(uint32_t);
+};
+
+struct dce_panel_cntl_registers {
+ uint32_t PWRSEQ_CNTL;
+ uint32_t PWRSEQ_STATE;
+ uint32_t BL_PWM_CNTL;
+ uint32_t BL_PWM_CNTL2;
+ uint32_t BL_PWM_PERIOD_CNTL;
+ uint32_t BL_PWM_GRP1_REG_LOCK;
+ uint32_t PWRSEQ_REF_DIV;
+ uint32_t BIOS_SCRATCH_2;
+};
+
+struct dce_panel_cntl {
+ struct panel_cntl base;
+ const struct dce_panel_cntl_registers *regs;
+ const struct dce_panel_cntl_shift *shift;
+ const struct dce_panel_cntl_mask *mask;
+};
+
+void dce_panel_cntl_construct(
+ struct dce_panel_cntl *panel_cntl,
+ const struct panel_cntl_init_data *init_data,
+ const struct dce_panel_cntl_registers *regs,
+ const struct dce_panel_cntl_shift *shift,
+ const struct dce_panel_cntl_mask *mask);
+
+#endif /* __DC_PANEL_CNTL__DCE_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index 451574971b96..4cdaaf4d881c 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -1336,7 +1336,6 @@ static void dce110_se_audio_setup(
{
struct dce110_stream_encoder *enc110 = DCE110STRENC_FROM_STRENC(enc);
- uint32_t speakers = 0;
uint32_t channels = 0;
ASSERT(audio_info);
@@ -1344,7 +1343,6 @@ static void dce110_se_audio_setup(
/* This should not happen.it does so we don't get BSOD*/
return;
- speakers = audio_info->flags.info.ALLSPEAKERS;
channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
/* setup the audio stream source select (audio -> dig mapping) */
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
new file mode 100644
index 000000000000..da0b29abfbda
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "dmub_abm.h"
+#include "dce_abm.h"
+#include "dc.h"
+#include "dc_dmub_srv.h"
+#include "dmub/dmub_srv.h"
+#include "core_types.h"
+#include "dm_services.h"
+#include "reg_helper.h"
+#include "fixed31_32.h"
+
+#include "atom.h"
+
+#define TO_DMUB_ABM(abm)\
+ container_of(abm, struct dce_abm, base)
+
+#define REG(reg) \
+ (dce_abm->regs->reg)
+
+#undef FN
+#define FN(reg_name, field_name) \
+ dce_abm->abm_shift->field_name, dce_abm->abm_mask->field_name
+
+#define CTX \
+ dce_abm->base.ctx
+
+#define DISABLE_ABM_IMMEDIATELY 255
+
+static bool dmub_abm_set_pipe(struct abm *abm, uint32_t otg_inst, uint32_t panel_inst)
+{
+ union dmub_rb_cmd cmd;
+ struct dc_context *dc = abm->ctx;
+ uint32_t ramping_boundary = 0xFFFF;
+
+ cmd.abm_set_pipe.header.type = DMUB_CMD__ABM;
+ cmd.abm_set_pipe.header.sub_type = DMUB_CMD__ABM_SET_PIPE;
+ cmd.abm_set_pipe.abm_set_pipe_data.otg_inst = otg_inst;
+ cmd.abm_set_pipe.abm_set_pipe_data.panel_inst = panel_inst;
+ cmd.abm_set_pipe.abm_set_pipe_data.ramping_boundary = ramping_boundary;
+ cmd.abm_set_pipe.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pipe_data);
+
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
+ dc_dmub_srv_cmd_execute(dc->dmub_srv);
+ dc_dmub_srv_wait_idle(dc->dmub_srv);
+
+ return true;
+}
+
+static void dmcub_set_backlight_level(
+ struct dce_abm *dce_abm,
+ uint32_t backlight_pwm_u16_16,
+ uint32_t frame_ramp,
+ uint32_t otg_inst,
+ uint32_t panel_inst)
+{
+ union dmub_rb_cmd cmd;
+ struct dc_context *dc = dce_abm->base.ctx;
+ unsigned int backlight_8_bit = 0;
+ uint32_t s2;
+
+ if (backlight_pwm_u16_16 & 0x10000)
+ // Check for max backlight condition
+ backlight_8_bit = 0xFF;
+ else
+ // Take MSB of fractional part since backlight is not max
+ backlight_8_bit = (backlight_pwm_u16_16 >> 8) & 0xFF;
+
+ dmub_abm_set_pipe(&dce_abm->base, otg_inst, panel_inst);
+
+ REG_UPDATE(BL1_PWM_USER_LEVEL, BL1_PWM_USER_LEVEL, backlight_pwm_u16_16);
+
+ if (otg_inst == 0)
+ frame_ramp = 0;
+
+ cmd.abm_set_backlight.header.type = DMUB_CMD__ABM;
+ cmd.abm_set_backlight.header.sub_type = DMUB_CMD__ABM_SET_BACKLIGHT;
+ cmd.abm_set_backlight.abm_set_backlight_data.frame_ramp = frame_ramp;
+ cmd.abm_set_backlight.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_backlight_data);
+
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
+ dc_dmub_srv_cmd_execute(dc->dmub_srv);
+ dc_dmub_srv_wait_idle(dc->dmub_srv);
+
+ // Update requested backlight level
+ s2 = REG_READ(BIOS_SCRATCH_2);
+
+ s2 &= ~ATOM_S2_CURRENT_BL_LEVEL_MASK;
+ backlight_8_bit &= (ATOM_S2_CURRENT_BL_LEVEL_MASK >>
+ ATOM_S2_CURRENT_BL_LEVEL_SHIFT);
+ s2 |= (backlight_8_bit << ATOM_S2_CURRENT_BL_LEVEL_SHIFT);
+
+ REG_WRITE(BIOS_SCRATCH_2, s2);
+}
+
+static void dmub_abm_enable_fractional_pwm(struct dc_context *dc)
+{
+ union dmub_rb_cmd cmd;
+ uint32_t fractional_pwm = (dc->dc->config.disable_fractional_pwm == false) ? 1 : 0;
+
+ cmd.abm_set_pwm_frac.header.type = DMUB_CMD__ABM;
+ cmd.abm_set_pwm_frac.header.sub_type = DMUB_CMD__ABM_SET_PWM_FRAC;
+ cmd.abm_set_pwm_frac.abm_set_pwm_frac_data.fractional_pwm = fractional_pwm;
+ cmd.abm_set_pwm_frac.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_pwm_frac_data);
+
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
+ dc_dmub_srv_cmd_execute(dc->dmub_srv);
+ dc_dmub_srv_wait_idle(dc->dmub_srv);
+}
+
+static void dmub_abm_init(struct abm *abm, uint32_t backlight)
+{
+ struct dce_abm *dce_abm = TO_DMUB_ABM(abm);
+
+ REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x103);
+ REG_WRITE(DC_ABM1_HG_SAMPLE_RATE, 0x101);
+ REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x103);
+ REG_WRITE(DC_ABM1_LS_SAMPLE_RATE, 0x101);
+ REG_WRITE(BL1_PWM_BL_UPDATE_SAMPLE_RATE, 0x101);
+
+ REG_SET_3(DC_ABM1_HG_MISC_CTRL, 0,
+ ABM1_HG_NUM_OF_BINS_SEL, 0,
+ ABM1_HG_VMAX_SEL, 1,
+ ABM1_HG_BIN_BITWIDTH_SIZE_SEL, 0);
+
+ REG_SET_3(DC_ABM1_IPCSC_COEFF_SEL, 0,
+ ABM1_IPCSC_COEFF_SEL_R, 2,
+ ABM1_IPCSC_COEFF_SEL_G, 4,
+ ABM1_IPCSC_COEFF_SEL_B, 2);
+
+ REG_UPDATE(BL1_PWM_CURRENT_ABM_LEVEL,
+ BL1_PWM_CURRENT_ABM_LEVEL, backlight);
+
+ REG_UPDATE(BL1_PWM_TARGET_ABM_LEVEL,
+ BL1_PWM_TARGET_ABM_LEVEL, backlight);
+
+ REG_UPDATE(BL1_PWM_USER_LEVEL,
+ BL1_PWM_USER_LEVEL, backlight);
+
+ REG_UPDATE_2(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES,
+ ABM1_LS_MIN_PIXEL_VALUE_THRES, 0,
+ ABM1_LS_MAX_PIXEL_VALUE_THRES, 1000);
+
+ REG_SET_3(DC_ABM1_HGLS_REG_READ_PROGRESS, 0,
+ ABM1_HG_REG_READ_MISSED_FRAME_CLEAR, 1,
+ ABM1_LS_REG_READ_MISSED_FRAME_CLEAR, 1,
+ ABM1_BL_REG_READ_MISSED_FRAME_CLEAR, 1);
+
+ dmub_abm_enable_fractional_pwm(abm->ctx);
+}
+
+static unsigned int dmub_abm_get_current_backlight(struct abm *abm)
+{
+ struct dce_abm *dce_abm = TO_DMUB_ABM(abm);
+ unsigned int backlight = REG_READ(BL1_PWM_CURRENT_ABM_LEVEL);
+
+ /* return backlight in hardware format which is unsigned 17 bits, with
+ * 1 bit integer and 16 bit fractional
+ */
+ return backlight;
+}
+
+static unsigned int dmub_abm_get_target_backlight(struct abm *abm)
+{
+ struct dce_abm *dce_abm = TO_DMUB_ABM(abm);
+ unsigned int backlight = REG_READ(BL1_PWM_TARGET_ABM_LEVEL);
+
+ /* return backlight in hardware format which is unsigned 17 bits, with
+ * 1 bit integer and 16 bit fractional
+ */
+ return backlight;
+}
+
+static bool dmub_abm_set_level(struct abm *abm, uint32_t level)
+{
+ union dmub_rb_cmd cmd;
+ struct dc_context *dc = abm->ctx;
+
+ cmd.abm_set_level.header.type = DMUB_CMD__ABM;
+ cmd.abm_set_level.header.sub_type = DMUB_CMD__ABM_SET_LEVEL;
+ cmd.abm_set_level.abm_set_level_data.level = level;
+ cmd.abm_set_level.header.payload_bytes = sizeof(struct dmub_cmd_abm_set_level_data);
+
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
+ dc_dmub_srv_cmd_execute(dc->dmub_srv);
+ dc_dmub_srv_wait_idle(dc->dmub_srv);
+
+ return true;
+}
+
+static bool dmub_abm_immediate_disable(struct abm *abm, uint32_t panel_inst)
+{
+ dmub_abm_set_pipe(abm, DISABLE_ABM_IMMEDIATELY, panel_inst);
+
+ return true;
+}
+
+static bool dmub_abm_set_backlight_level_pwm(
+ struct abm *abm,
+ unsigned int backlight_pwm_u16_16,
+ unsigned int frame_ramp,
+ unsigned int otg_inst,
+ uint32_t panel_inst)
+{
+ struct dce_abm *dce_abm = TO_DMUB_ABM(abm);
+
+ dmcub_set_backlight_level(dce_abm,
+ backlight_pwm_u16_16,
+ frame_ramp,
+ otg_inst,
+ panel_inst);
+
+ return true;
+}
+
+static bool dmub_abm_init_config(struct abm *abm,
+ const char *src,
+ unsigned int bytes)
+{
+ union dmub_rb_cmd cmd;
+ struct dc_context *dc = abm->ctx;
+
+ // TODO: Optimize by only reading back final 4 bytes
+ dmub_flush_buffer_mem(&dc->dmub_srv->dmub->scratch_mem_fb);
+
+ // Copy iramtable into cw7
+ memcpy(dc->dmub_srv->dmub->scratch_mem_fb.cpu_addr, (void *)src, bytes);
+
+ // Fw will copy from cw7 to fw_state
+ cmd.abm_init_config.header.type = DMUB_CMD__ABM;
+ cmd.abm_init_config.header.sub_type = DMUB_CMD__ABM_INIT_CONFIG;
+ cmd.abm_init_config.abm_init_config_data.src.quad_part = dc->dmub_srv->dmub->scratch_mem_fb.gpu_addr;
+ cmd.abm_init_config.abm_init_config_data.bytes = bytes;
+ cmd.abm_init_config.header.payload_bytes = sizeof(struct dmub_cmd_abm_init_config_data);
+
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
+ dc_dmub_srv_cmd_execute(dc->dmub_srv);
+ dc_dmub_srv_wait_idle(dc->dmub_srv);
+
+ return true;
+}
+
+static const struct abm_funcs abm_funcs = {
+ .abm_init = dmub_abm_init,
+ .set_abm_level = dmub_abm_set_level,
+ .set_pipe = dmub_abm_set_pipe,
+ .set_backlight_level_pwm = dmub_abm_set_backlight_level_pwm,
+ .get_current_backlight = dmub_abm_get_current_backlight,
+ .get_target_backlight = dmub_abm_get_target_backlight,
+ .set_abm_immediate_disable = dmub_abm_immediate_disable,
+ .init_abm_config = dmub_abm_init_config,
+};
+
+static void dmub_abm_construct(
+ struct dce_abm *abm_dce,
+ struct dc_context *ctx,
+ const struct dce_abm_registers *regs,
+ const struct dce_abm_shift *abm_shift,
+ const struct dce_abm_mask *abm_mask)
+{
+ struct abm *base = &abm_dce->base;
+
+ base->ctx = ctx;
+ base->funcs = &abm_funcs;
+ base->dmcu_is_running = false;
+
+ abm_dce->regs = regs;
+ abm_dce->abm_shift = abm_shift;
+ abm_dce->abm_mask = abm_mask;
+}
+
+struct abm *dmub_abm_create(
+ struct dc_context *ctx,
+ const struct dce_abm_registers *regs,
+ const struct dce_abm_shift *abm_shift,
+ const struct dce_abm_mask *abm_mask)
+{
+ struct dce_abm *abm_dce = kzalloc(sizeof(*abm_dce), GFP_KERNEL);
+
+ if (abm_dce == NULL) {
+ BREAK_TO_DEBUGGER();
+ return NULL;
+ }
+
+ dmub_abm_construct(abm_dce, ctx, regs, abm_shift, abm_mask);
+
+ return &abm_dce->base;
+}
+
+void dmub_abm_destroy(struct abm **abm)
+{
+ struct dce_abm *abm_dce = TO_DMUB_ABM(*abm);
+
+ kfree(abm_dce);
+ *abm = NULL;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.h
index 26583f346c39..3a5d5ac7a86e 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/log_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_abm.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2012-16 Advanced Micro Devices, Inc.
+ * Copyright 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -23,17 +23,18 @@
*
*/
-#include "core_types.h"
-#include "logger.h"
-#include "include/logger_interface.h"
-#include "dm_helpers.h"
+#ifndef __DMUB_ABM_H__
+#define __DMUB_ABM_H__
-void dc_conn_log_hex_linux(const uint8_t *hex_data, int hex_data_count)
-{
- int i;
+#include "abm.h"
+#include "dce_abm.h"
- if (hex_data)
- for (i = 0; i < hex_data_count; i++)
- DC_LOG_DEBUG("%2.2X ", hex_data[i]);
-}
+struct abm *dmub_abm_create(
+ struct dc_context *ctx,
+ const struct dce_abm_registers *regs,
+ const struct dce_abm_shift *abm_shift,
+ const struct dce_abm_mask *abm_mask);
+void dmub_abm_destroy(struct abm **abm);
+
+#endif
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
index bc109d4fc6e6..044a0133ebb1 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
@@ -26,13 +26,51 @@
#include "dmub_psr.h"
#include "dc.h"
#include "dc_dmub_srv.h"
-#include "../../dmub/inc/dmub_srv.h"
-#include "../../dmub/inc/dmub_gpint_cmd.h"
+#include "dmub/dmub_srv.h"
#include "core_types.h"
#define MAX_PIPES 6
/**
+ * Convert dmcub psr state to dmcu psr state.
+ */
+static void convert_psr_state(uint32_t *psr_state)
+{
+ if (*psr_state == 0)
+ *psr_state = 0;
+ else if (*psr_state == 0x10)
+ *psr_state = 1;
+ else if (*psr_state == 0x11)
+ *psr_state = 2;
+ else if (*psr_state == 0x20)
+ *psr_state = 3;
+ else if (*psr_state == 0x21)
+ *psr_state = 4;
+ else if (*psr_state == 0x30)
+ *psr_state = 5;
+ else if (*psr_state == 0x31)
+ *psr_state = 6;
+ else if (*psr_state == 0x40)
+ *psr_state = 7;
+ else if (*psr_state == 0x41)
+ *psr_state = 8;
+ else if (*psr_state == 0x42)
+ *psr_state = 9;
+ else if (*psr_state == 0x43)
+ *psr_state = 10;
+ else if (*psr_state == 0x44)
+ *psr_state = 11;
+ else if (*psr_state == 0x50)
+ *psr_state = 12;
+ else if (*psr_state == 0x51)
+ *psr_state = 13;
+ else if (*psr_state == 0x52)
+ *psr_state = 14;
+ else if (*psr_state == 0x53)
+ *psr_state = 15;
+}
+
+/**
* Get PSR state from firmware.
*/
static void dmub_psr_get_state(struct dmub_psr *dmub, uint32_t *psr_state)
@@ -43,6 +81,8 @@ static void dmub_psr_get_state(struct dmub_psr *dmub, uint32_t *psr_state)
dmub_srv_send_gpint_command(srv, DMUB_GPINT__GET_PSR_STATE, 0, 30);
dmub_srv_get_gpint_response(srv, psr_state);
+
+ convert_psr_state(psr_state);
}
/**
@@ -53,19 +93,23 @@ static bool dmub_psr_set_version(struct dmub_psr *dmub, struct dc_stream_state *
union dmub_rb_cmd cmd;
struct dc_context *dc = dmub->ctx;
+ if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_UNSUPPORTED)
+ return false;
+
cmd.psr_set_version.header.type = DMUB_CMD__PSR;
cmd.psr_set_version.header.sub_type = DMUB_CMD__PSR_SET_VERSION;
-
- if (stream->psr_version == 0x0) // Unsupported
- return false;
- else if (stream->psr_version == 0x1)
+ switch (stream->link->psr_settings.psr_version) {
+ case DC_PSR_VERSION_1:
cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_1;
- else if (stream->psr_version == 0x2)
- cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_2;
-
- cmd.psr_enable.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data);
+ break;
+ case DC_PSR_VERSION_UNSUPPORTED:
+ default:
+ cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_UNSUPPORTED;
+ break;
+ }
+ cmd.psr_set_version.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data);
- dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_enable.header);
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->dmub_srv);
dc_dmub_srv_wait_idle(dc->dmub_srv);
@@ -89,7 +133,7 @@ static void dmub_psr_enable(struct dmub_psr *dmub, bool enable)
cmd.psr_enable.header.payload_bytes = 0; // Send header only
- dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_enable.header);
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->dmub_srv);
dc_dmub_srv_wait_idle(dc->dmub_srv);
}
@@ -113,7 +157,7 @@ static void dmub_psr_set_level(struct dmub_psr *dmub, uint16_t psr_level)
cmd.psr_set_level.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_level_data);
cmd.psr_set_level.psr_set_level_data.psr_level = psr_level;
- dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_set_level.header);
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->dmub_srv);
dc_dmub_srv_wait_idle(dc->dmub_srv);
}
@@ -162,7 +206,7 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
cmd.psr_copy_settings.header.payload_bytes = sizeof(struct dmub_cmd_psr_copy_settings_data);
// Hw insts
- copy_settings_data->dpphy_inst = psr_context->phyType;
+ copy_settings_data->dpphy_inst = psr_context->transmitterId;
copy_settings_data->aux_inst = psr_context->channel;
copy_settings_data->digfe_inst = psr_context->engineId;
copy_settings_data->digbe_inst = psr_context->transmitterId;
@@ -187,8 +231,10 @@ static bool dmub_psr_copy_settings(struct dmub_psr *dmub,
copy_settings_data->smu_optimizations_en = psr_context->allow_smu_optimizations;
copy_settings_data->frame_delay = psr_context->frame_delay;
copy_settings_data->frame_cap_ind = psr_context->psrFrameCaptureIndicationReq;
+ copy_settings_data->debug.visual_confirm = dc->dc->debug.visual_confirm == VISUAL_CONFIRM_PSR ?
+ true : false;
- dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd.psr_copy_settings.header);
+ dc_dmub_srv_cmd_queue(dc->dmub_srv, &cmd);
dc_dmub_srv_cmd_execute(dc->dmub_srv);
dc_dmub_srv_wait_idle(dc->dmub_srv);
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
index 8f78bf9abbca..a28c4ae0f259 100644
--- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c
@@ -46,6 +46,7 @@
#include "dce/dce_audio.h"
#include "dce/dce_hwseq.h"
#include "dce100/dce100_hw_sequencer.h"
+#include "dce/dce_panel_cntl.h"
#include "reg_helper.h"
@@ -249,6 +250,18 @@ static const struct dce_stream_encoder_mask se_mask = {
SE_COMMON_MASK_SH_LIST_DCE80_100(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCE_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
#define opp_regs(id)\
[id] = {\
OPP_DCE_100_REG_LIST(id),\
@@ -627,6 +640,23 @@ struct link_encoder *dce100_link_encoder_create(
return &enc110->base;
}
+static struct panel_cntl *dce100_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
struct output_pixel_processor *dce100_opp_create(
struct dc_context *ctx,
uint32_t inst)
@@ -943,6 +973,7 @@ struct stream_encoder *dce100_find_first_free_match_stream_enc_for_link(
static const struct resource_funcs dce100_res_pool_funcs = {
.destroy = dce100_destroy_resource_pool,
.link_enc_create = dce100_link_encoder_create,
+ .panel_cntl_create = dce100_panel_cntl_create,
.validate_bandwidth = dce100_validate_bandwidth,
.validate_plane = dce100_validate_plane,
.add_stream_to_ctx = dce100_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index c279982947e1..b77e9dc16086 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -53,6 +53,7 @@
#include "abm.h"
#include "audio.h"
#include "reg_helper.h"
+#include "panel_cntl.h"
/* include DCE11 register header files */
#include "dce/dce_11_0_d.h"
@@ -697,31 +698,6 @@ void dce110_enable_stream(struct pipe_ctx *pipe_ctx)
}
-/*todo: cloned in stream enc, fix*/
-bool dce110_is_panel_backlight_on(struct dc_link *link)
-{
- struct dc_context *ctx = link->ctx;
- struct dce_hwseq *hws = ctx->dc->hwseq;
- uint32_t value;
-
- REG_GET(LVTMA_PWRSEQ_CNTL, LVTMA_BLON, &value);
-
- return value;
-}
-
-bool dce110_is_panel_powered_on(struct dc_link *link)
-{
- struct dc_context *ctx = link->ctx;
- struct dce_hwseq *hws = ctx->dc->hwseq;
- uint32_t pwr_seq_state, dig_on, dig_on_ovrd;
-
- REG_GET(LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, &pwr_seq_state);
-
- REG_GET_2(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON, &dig_on, LVTMA_DIGON_OVRD, &dig_on_ovrd);
-
- return (pwr_seq_state == 1) || (dig_on == 1 && dig_on_ovrd == 1);
-}
-
static enum bp_result link_transmitter_control(
struct dc_bios *bios,
struct bp_transmitter_control *cntl)
@@ -810,7 +786,6 @@ void dce110_edp_power_control(
bool power_up)
{
struct dc_context *ctx = link->ctx;
- struct dce_hwseq *hwseq = ctx->dc->hwseq;
struct bp_transmitter_control cntl = { 0 };
enum bp_result bp_result;
@@ -821,7 +796,11 @@ void dce110_edp_power_control(
return;
}
- if (power_up != hwseq->funcs.is_panel_powered_on(link)) {
+ if (!link->panel_cntl)
+ return;
+
+ if (power_up !=
+ link->panel_cntl->funcs->is_panel_powered_on(link->panel_cntl)) {
/* Send VBIOS command to prompt eDP panel power */
if (power_up) {
unsigned long long current_ts = dm_get_timestamp(ctx);
@@ -892,7 +871,6 @@ void dce110_edp_backlight_control(
bool enable)
{
struct dc_context *ctx = link->ctx;
- struct dce_hwseq *hws = ctx->dc->hwseq;
struct bp_transmitter_control cntl = { 0 };
if (dal_graphics_object_id_get_connector_id(link->link_enc->connector)
@@ -901,7 +879,8 @@ void dce110_edp_backlight_control(
return;
}
- if (enable && hws->funcs.is_panel_backlight_on(link)) {
+ if (enable && link->panel_cntl &&
+ link->panel_cntl->funcs->is_panel_backlight_on(link->panel_cntl)) {
DC_LOG_HW_RESUME_S3(
"%s: panel already powered up. Do nothing.\n",
__func__);
@@ -1087,7 +1066,7 @@ void dce110_blank_stream(struct pipe_ctx *pipe_ctx)
if (link->local_sink && link->local_sink->sink_signal == SIGNAL_TYPE_EDP) {
hws->funcs.edp_backlight_control(link, false);
- dc_link_set_abm_disable(link);
+ link->dc->hwss.set_abm_immediate_disable(pipe_ctx);
}
if (dc_is_dp_signal(pipe_ctx->stream->signal))
@@ -1432,7 +1411,7 @@ static enum dc_status apply_single_controller_ctx_to_hw(
pipe_ctx->plane_res.scl_data.lb_params.alpha_en = pipe_ctx->bottom_pipe != 0;
- pipe_ctx->stream->link->psr_feature_enabled = false;
+ pipe_ctx->stream->link->psr_settings.psr_feature_enabled = false;
return DC_OK;
}
@@ -1838,7 +1817,7 @@ static bool should_enable_fbc(struct dc *dc,
return false;
/* PSR should not be enabled */
- if (pipe_ctx->stream->link->psr_feature_enabled)
+ if (pipe_ctx->stream->link->psr_settings.psr_feature_enabled)
return false;
/* Nothing to compress */
@@ -2376,6 +2355,7 @@ static void init_hw(struct dc *dc)
struct abm *abm;
struct dmcu *dmcu;
struct dce_hwseq *hws = dc->hwseq;
+ uint32_t backlight = MAX_BACKLIGHT_LEVEL;
bp = dc->ctx->dc_bios;
for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -2422,12 +2402,17 @@ static void init_hw(struct dc *dc)
audio->funcs->hw_init(audio);
}
- abm = dc->res_pool->abm;
- if (abm != NULL) {
- abm->funcs->init_backlight(abm);
- abm->funcs->abm_init(abm);
+ for (i = 0; i < dc->link_count; i++) {
+ struct dc_link *link = dc->links[i];
+
+ if (link->panel_cntl)
+ backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
}
+ abm = dc->res_pool->abm;
+ if (abm != NULL)
+ abm->funcs->abm_init(abm, backlight);
+
dmcu = dc->res_pool->dmcu;
if (dmcu != NULL && abm != NULL)
abm->dmcu_is_running = dmcu->funcs->is_dmcu_initialized(dmcu);
@@ -2735,6 +2720,53 @@ void dce110_set_cursor_attribute(struct pipe_ctx *pipe_ctx)
pipe_ctx->plane_res.xfm, attributes);
}
+bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx,
+ uint32_t backlight_pwm_u16_16,
+ uint32_t frame_ramp)
+{
+ struct dc_link *link = pipe_ctx->stream->link;
+ struct dc *dc = link->ctx->dc;
+ struct abm *abm = pipe_ctx->stream_res.abm;
+ struct panel_cntl *panel_cntl = link->panel_cntl;
+ struct dmcu *dmcu = dc->res_pool->dmcu;
+ bool fw_set_brightness = true;
+ /* DMCU -1 for all controller id values,
+ * therefore +1 here
+ */
+ uint32_t controller_id = pipe_ctx->stream_res.tg->inst + 1;
+
+ if (abm == NULL || panel_cntl == NULL || (abm->funcs->set_backlight_level_pwm == NULL))
+ return false;
+
+ if (dmcu)
+ fw_set_brightness = dmcu->funcs->is_dmcu_initialized(dmcu);
+
+ if (!fw_set_brightness && panel_cntl->funcs->driver_set_backlight)
+ panel_cntl->funcs->driver_set_backlight(panel_cntl, backlight_pwm_u16_16);
+ else
+ abm->funcs->set_backlight_level_pwm(
+ abm,
+ backlight_pwm_u16_16,
+ frame_ramp,
+ controller_id,
+ link->panel_cntl->inst);
+
+ return true;
+}
+
+void dce110_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx)
+{
+ struct abm *abm = pipe_ctx->stream_res.abm;
+ struct panel_cntl *panel_cntl = pipe_ctx->stream->link->panel_cntl;
+
+ if (abm)
+ abm->funcs->set_abm_immediate_disable(abm,
+ pipe_ctx->stream->link->panel_cntl->inst);
+
+ if (panel_cntl)
+ panel_cntl->funcs->store_backlight_level(panel_cntl);
+}
+
static const struct hw_sequencer_funcs dce110_funcs = {
.program_gamut_remap = program_gamut_remap,
.program_output_csc = program_output_csc,
@@ -2757,6 +2789,7 @@ static const struct hw_sequencer_funcs dce110_funcs = {
.disable_plane = dce110_power_down_fe,
.pipe_control_lock = dce_pipe_control_lock,
.interdependent_update_lock = NULL,
+ .cursor_lock = dce_pipe_control_lock,
.prepare_bandwidth = dce110_prepare_bandwidth,
.optimize_bandwidth = dce110_optimize_bandwidth,
.set_drr = set_drr,
@@ -2768,7 +2801,9 @@ static const struct hw_sequencer_funcs dce110_funcs = {
.edp_power_control = dce110_edp_power_control,
.edp_wait_for_hpd_ready = dce110_edp_wait_for_hpd_ready,
.set_cursor_position = dce110_set_cursor_position,
- .set_cursor_attribute = dce110_set_cursor_attribute
+ .set_cursor_attribute = dce110_set_cursor_attribute,
+ .set_backlight_level = dce110_set_backlight_level,
+ .set_abm_immediate_disable = dce110_set_abm_immediate_disable,
};
static const struct hwseq_private_funcs dce110_private_funcs = {
@@ -2784,8 +2819,6 @@ static const struct hwseq_private_funcs dce110_private_funcs = {
.disable_stream_gating = NULL,
.enable_stream_gating = NULL,
.edp_backlight_control = dce110_edp_backlight_control,
- .is_panel_backlight_on = dce110_is_panel_backlight_on,
- .is_panel_powered_on = dce110_is_panel_powered_on,
};
void dce110_hw_sequencer_construct(struct dc *dc)
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
index 34be166e8ff0..fe5326df00f7 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.h
@@ -85,9 +85,10 @@ void dce110_edp_wait_for_hpd_ready(
struct dc_link *link,
bool power_up);
-bool dce110_is_panel_backlight_on(struct dc_link *link);
-
-bool dce110_is_panel_powered_on(struct dc_link *link);
+bool dce110_set_backlight_level(struct pipe_ctx *pipe_ctx,
+ uint32_t backlight_pwm_u16_16,
+ uint32_t frame_ramp);
+void dce110_set_abm_immediate_disable(struct pipe_ctx *pipe_ctx);
#endif /* __DC_HWSS_DCE110_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_opp_csc_v.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_opp_csc_v.c
index 4245e1f818a3..e096d2b95ef9 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_opp_csc_v.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_opp_csc_v.c
@@ -679,8 +679,7 @@ void dce110_opp_v_set_csc_default(
if (default_adjust->force_hw_default == false) {
const struct out_csc_color_matrix *elm;
/* currently parameter not in use */
- enum grph_color_adjust_option option =
- GRPH_COLOR_MATRIX_HW_DEFAULT;
+ enum grph_color_adjust_option option;
uint32_t i;
/*
* HW default false we program locally defined matrix
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index bf14e9ab040c..9597fc79d7fa 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -53,6 +53,7 @@
#include "dce/dce_abm.h"
#include "dce/dce_dmcu.h"
#include "dce/dce_i2c.h"
+#include "dce/dce_panel_cntl.h"
#define DC_LOGGER \
dc->ctx->logger
@@ -275,6 +276,18 @@ static const struct dce_stream_encoder_mask se_mask = {
SE_COMMON_MASK_SH_LIST_DCE110(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCE_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
static const struct dce110_aux_registers_shift aux_shift = {
DCE_AUX_MASK_SH_LIST(__SHIFT)
};
@@ -673,6 +686,23 @@ static struct link_encoder *dce110_link_encoder_create(
return &enc110->base;
}
+static struct panel_cntl *dce110_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
static struct output_pixel_processor *dce110_opp_create(
struct dc_context *ctx,
uint32_t inst)
@@ -1203,6 +1233,7 @@ struct stream_encoder *dce110_find_first_free_match_stream_enc_for_link(
static const struct resource_funcs dce110_res_pool_funcs = {
.destroy = dce110_destroy_resource_pool,
.link_enc_create = dce110_link_encoder_create,
+ .panel_cntl_create = dce110_panel_cntl_create,
.validate_bandwidth = dce110_validate_bandwidth,
.validate_plane = dce110_validate_plane,
.acquire_idle_pipe_for_layer = dce110_acquire_underlay,
diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index 700ad8b3e54b..51b3fe502670 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -51,6 +51,7 @@
#include "dce/dce_dmcu.h"
#include "dce/dce_aux.h"
#include "dce/dce_i2c.h"
+#include "dce/dce_panel_cntl.h"
#include "reg_helper.h"
@@ -238,6 +239,18 @@ static const struct dce110_link_enc_aux_registers link_enc_aux_regs[] = {
aux_regs(5)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCE_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
#define hpd_regs(id)\
[id] = {\
HPD_REG_LIST(id)\
@@ -398,7 +411,7 @@ static const struct dc_plane_cap plane_cap = {
.pixel_format_support = {
.argb8888 = true,
.nv12 = false,
- .fp16 = false
+ .fp16 = true
},
.max_upscale_factor = {
@@ -631,6 +644,23 @@ struct link_encoder *dce112_link_encoder_create(
return &enc110->base;
}
+static struct panel_cntl *dce112_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
static struct input_pixel_processor *dce112_ipp_create(
struct dc_context *ctx, uint32_t inst)
{
@@ -1021,6 +1051,7 @@ static void dce112_destroy_resource_pool(struct resource_pool **pool)
static const struct resource_funcs dce112_res_pool_funcs = {
.destroy = dce112_destroy_resource_pool,
.link_enc_create = dce112_link_encoder_create,
+ .panel_cntl_create = dce112_panel_cntl_create,
.validate_bandwidth = dce112_validate_bandwidth,
.validate_plane = dce100_validate_plane,
.add_stream_to_ctx = dce112_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index 53ab88ef71f5..8f362e8c1787 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -44,6 +44,7 @@
#include "dce/dce_clock_source.h"
#include "dce/dce_ipp.h"
#include "dce/dce_mem_input.h"
+#include "dce/dce_panel_cntl.h"
#include "dce110/dce110_hw_sequencer.h"
#include "dce120/dce120_hw_sequencer.h"
@@ -293,6 +294,18 @@ static const struct dce_stream_encoder_mask se_mask = {
SE_COMMON_MASK_SH_LIST_DCE120(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCE_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
static const struct dce110_aux_registers_shift aux_shift = {
DCE12_AUX_MASK_SH_LIST(__SHIFT)
};
@@ -503,7 +516,7 @@ static const struct dc_plane_cap plane_cap = {
.pixel_format_support = {
.argb8888 = true,
.nv12 = false,
- .fp16 = false
+ .fp16 = true
},
.max_upscale_factor = {
@@ -715,6 +728,23 @@ static struct link_encoder *dce120_link_encoder_create(
return &enc110->base;
}
+static struct panel_cntl *dce120_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
static struct input_pixel_processor *dce120_ipp_create(
struct dc_context *ctx, uint32_t inst)
{
@@ -880,6 +910,7 @@ static void dce120_destroy_resource_pool(struct resource_pool **pool)
static const struct resource_funcs dce120_res_pool_funcs = {
.destroy = dce120_destroy_resource_pool,
.link_enc_create = dce120_link_encoder_create,
+ .panel_cntl_create = dce120_panel_cntl_create,
.validate_bandwidth = dce112_validate_bandwidth,
.validate_plane = dce100_validate_plane,
.add_stream_to_ctx = dce112_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
index 893261c81854..d2ceebdbdf51 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c
@@ -36,34 +36,6 @@
#include "dce/dce_8_0_d.h"
#include "dce/dce_8_0_sh_mask.h"
-struct dce80_hw_seq_reg_offsets {
- uint32_t crtc;
-};
-
-static const struct dce80_hw_seq_reg_offsets reg_offsets[] = {
-{
- .crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-},
-{
- .crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-},
-{
- .crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-},
-{
- .crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-},
-{
- .crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-},
-{
- .crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
-}
-};
-
-#define HW_REG_CRTC(reg, id)\
- (reg + reg_offsets[id].crtc)
-
/*******************************************************************************
* Private definitions
******************************************************************************/
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
index 2ad5c28c6e66..a19be9de2df7 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -50,6 +50,7 @@
#include "dce/dce_hwseq.h"
#include "dce80/dce80_hw_sequencer.h"
#include "dce100/dce100_resource.h"
+#include "dce/dce_panel_cntl.h"
#include "reg_helper.h"
@@ -266,6 +267,18 @@ static const struct dce_stream_encoder_mask se_mask = {
SE_COMMON_MASK_SH_LIST_DCE80_100(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCE_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
#define opp_regs(id)\
[id] = {\
OPP_DCE_80_REG_LIST(id),\
@@ -728,6 +741,23 @@ struct link_encoder *dce80_link_encoder_create(
return &enc110->base;
}
+static struct panel_cntl *dce80_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
struct clock_source *dce80_clock_source_create(
struct dc_context *ctx,
struct dc_bios *bios,
@@ -909,6 +939,7 @@ static void dce80_destroy_resource_pool(struct resource_pool **pool)
static const struct resource_funcs dce80_res_pool_funcs = {
.destroy = dce80_destroy_resource_pool,
.link_enc_create = dce80_link_encoder_create,
+ .panel_cntl_create = dce80_panel_cntl_create,
.validate_bandwidth = dce80_validate_bandwidth,
.validate_plane = dce100_validate_plane,
.add_stream_to_ctx = dce100_add_stream_to_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index 0e682b5aa3eb..7f8456b9988b 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -134,13 +134,6 @@ bool dpp1_get_optimal_number_of_taps(
struct scaler_data *scl_data,
const struct scaling_taps *in_taps)
{
- uint32_t pixel_width;
-
- if (scl_data->viewport.width > scl_data->recout.width)
- pixel_width = scl_data->recout.width;
- else
- pixel_width = scl_data->viewport.width;
-
/* Some ASICs does not support FP16 scaling, so we reject modes require this*/
if (scl_data->format == PIXEL_FORMAT_FP16 &&
dpp->caps->dscl_data_proc_format == DSCL_DATA_PRCESSING_FIXED_FORMAT &&
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c
index deccab0228d2..75637c291e75 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubbub.c
@@ -93,7 +93,6 @@ void hubbub1_wm_read_state(struct hubbub *hubbub,
void hubbub1_allow_self_refresh_control(struct hubbub *hubbub, bool allow)
{
struct dcn10_hubbub *hubbub1 = TO_DCN10_HUBBUB(hubbub);
-
/*
* DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_ENABLE = 1 means do not allow stutter
* DCHUBBUB_ARB_ALLOW_SELF_REFRESH_FORCE_ENABLE = 0 means allow stutter
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
index 31b64733d693..319366ebb44f 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c
@@ -1139,6 +1139,8 @@ void hubp1_cursor_set_position(
int src_y_offset = pos->y - pos->y_hotspot - param->viewport.y;
int x_hotspot = pos->x_hotspot;
int y_hotspot = pos->y_hotspot;
+ int cursor_height = (int)hubp->curs_attr.height;
+ int cursor_width = (int)hubp->curs_attr.width;
uint32_t dst_x_offset;
uint32_t cur_en = pos->enable ? 1 : 0;
@@ -1152,10 +1154,16 @@ void hubp1_cursor_set_position(
if (hubp->curs_attr.address.quad_part == 0)
return;
+ // Rotated cursor width/height and hotspots tweaks for offset calculation
if (param->rotation == ROTATION_ANGLE_90 || param->rotation == ROTATION_ANGLE_270) {
- src_x_offset = pos->y - pos->y_hotspot - param->viewport.x;
- y_hotspot = pos->x_hotspot;
- x_hotspot = pos->y_hotspot;
+ swap(cursor_height, cursor_width);
+ if (param->rotation == ROTATION_ANGLE_90) {
+ src_x_offset = pos->x - pos->y_hotspot - param->viewport.x;
+ src_y_offset = pos->y - pos->x_hotspot - param->viewport.y;
+ }
+ } else if (param->rotation == ROTATION_ANGLE_180) {
+ src_x_offset = pos->x - param->viewport.x;
+ src_y_offset = pos->y - param->viewport.y;
}
if (param->mirror) {
@@ -1177,13 +1185,13 @@ void hubp1_cursor_set_position(
if (src_x_offset >= (int)param->viewport.width)
cur_en = 0; /* not visible beyond right edge*/
- if (src_x_offset + (int)hubp->curs_attr.width <= 0)
+ if (src_x_offset + cursor_width <= 0)
cur_en = 0; /* not visible beyond left edge*/
if (src_y_offset >= (int)param->viewport.height)
cur_en = 0; /* not visible beyond bottom edge*/
- if (src_y_offset + (int)hubp->curs_attr.height <= 0)
+ if (src_y_offset + cursor_height <= 0)
cur_en = 0; /* not visible beyond top edge*/
if (cur_en && REG_READ(CURSOR_SURFACE_ADDRESS) == 0)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index b0357546471b..77f16921e7f0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -737,7 +737,8 @@ void dcn10_bios_golden_init(struct dc *dc)
if (dc->res_pool->hubbub->funcs->allow_self_refresh_control)
if (allow_self_fresh_force_enable == false &&
dc->res_pool->hubbub->funcs->is_allow_self_refresh_enabled(dc->res_pool->hubbub))
- dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub, true);
+ dc->res_pool->hubbub->funcs->allow_self_refresh_control(dc->res_pool->hubbub,
+ !dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
}
@@ -826,6 +827,14 @@ enum dc_status dcn10_enable_stream_timing(
color_space = stream->output_color_space;
color_space_to_black_color(dc, color_space, &black_color);
+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ black_color.color_r_cr = black_color.color_g_y;
+
if (pipe_ctx->stream_res.tg->funcs->set_blank_color)
pipe_ctx->stream_res.tg->funcs->set_blank_color(
pipe_ctx->stream_res.tg,
@@ -903,7 +912,7 @@ static void dcn10_reset_back_end_for_pipe(
if (pipe_ctx->top_pipe == NULL) {
if (pipe_ctx->stream_res.abm)
- pipe_ctx->stream_res.abm->funcs->set_abm_immediate_disable(pipe_ctx->stream_res.abm);
+ dc->hwss.set_abm_immediate_disable(pipe_ctx);
pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
@@ -1238,12 +1247,13 @@ void dcn10_init_pipes(struct dc *dc, struct dc_state *context)
void dcn10_init_hw(struct dc *dc)
{
- int i;
+ int i, j;
struct abm *abm = dc->res_pool->abm;
struct dmcu *dmcu = dc->res_pool->dmcu;
struct dce_hwseq *hws = dc->hwseq;
struct dc_bios *dcb = dc->ctx->dc_bios;
struct resource_pool *res_pool = dc->res_pool;
+ uint32_t backlight = MAX_BACKLIGHT_LEVEL;
if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
@@ -1333,17 +1343,28 @@ void dcn10_init_hw(struct dc *dc)
continue;
/*
- * core_link_read_dpcd() will invoke dm_helpers_dp_read_dpcd(),
- * which needs to read dpcd info with the help of aconnector.
- * If aconnector (dc->links[i]->prev) is NULL, then dpcd status
- * cannot be read.
+ * If any of the displays are lit up turn them off.
+ * The reason is that some MST hubs cannot be turned off
+ * completely until we tell them to do so.
+ * If not turned off, then displays connected to MST hub
+ * won't light up.
*/
- if (dc->links[i]->priv) {
- /* if any of the displays are lit up turn them off */
- status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
- &dpcd_power_state, sizeof(dpcd_power_state));
- if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0)
- dp_receiver_power_ctrl(dc->links[i], false);
+ status = core_link_read_dpcd(dc->links[i], DP_SET_POWER,
+ &dpcd_power_state, sizeof(dpcd_power_state));
+ if (status == DC_OK && dpcd_power_state == DP_POWER_STATE_D0) {
+ /* blank dp stream before power off receiver*/
+ if (dc->links[i]->link_enc->funcs->get_dig_frontend) {
+ unsigned int fe = dc->links[i]->link_enc->funcs->get_dig_frontend(dc->links[i]->link_enc);
+
+ for (j = 0; j < dc->res_pool->stream_enc_count; j++) {
+ if (fe == dc->res_pool->stream_enc[j]->id) {
+ dc->res_pool->stream_enc[j]->funcs->dp_blank(
+ dc->res_pool->stream_enc[j]);
+ break;
+ }
+ }
+ }
+ dp_receiver_power_ctrl(dc->links[i], false);
}
}
}
@@ -1361,17 +1382,54 @@ void dcn10_init_hw(struct dc *dc)
!dc->res_pool->hubbub->ctx->dc->debug.disable_stutter);
}
+ /* In headless boot cases, DIG may be turned
+ * on which causes HW/SW discrepancies.
+ * To avoid this, power down hardware on boot
+ * if DIG is turned on and seamless boot not enabled
+ */
+ if (dc->config.power_down_display_on_boot) {
+ struct dc_link *edp_link = get_edp_link(dc);
+
+ if (edp_link &&
+ edp_link->link_enc->funcs->is_dig_enabled &&
+ edp_link->link_enc->funcs->is_dig_enabled(edp_link->link_enc) &&
+ dc->hwss.edp_backlight_control &&
+ dc->hwss.power_down &&
+ dc->hwss.edp_power_control) {
+ dc->hwss.edp_backlight_control(edp_link, false);
+ dc->hwss.power_down(dc);
+ dc->hwss.edp_power_control(edp_link, false);
+ } else {
+ for (i = 0; i < dc->link_count; i++) {
+ struct dc_link *link = dc->links[i];
+
+ if (link->link_enc->funcs->is_dig_enabled &&
+ link->link_enc->funcs->is_dig_enabled(link->link_enc) &&
+ dc->hwss.power_down) {
+ dc->hwss.power_down(dc);
+ break;
+ }
+
+ }
+ }
+ }
+
for (i = 0; i < res_pool->audio_count; i++) {
struct audio *audio = res_pool->audios[i];
audio->funcs->hw_init(audio);
}
- if (abm != NULL) {
- abm->funcs->init_backlight(abm);
- abm->funcs->abm_init(abm);
+ for (i = 0; i < dc->link_count; i++) {
+ struct dc_link *link = dc->links[i];
+
+ if (link->panel_cntl)
+ backlight = link->panel_cntl->funcs->hw_init(link->panel_cntl);
}
+ if (abm != NULL)
+ abm->funcs->abm_init(abm, backlight);
+
if (dmcu != NULL && !dmcu->auto_load_dmcu)
dmcu->funcs->dmcu_init(dmcu);
@@ -1625,6 +1683,85 @@ void dcn10_pipe_control_lock(
hws->funcs.verify_allow_pstate_change_high(dc);
}
+/**
+ * delay_cursor_until_vupdate() - Delay cursor update if too close to VUPDATE.
+ *
+ * Software keepout workaround to prevent cursor update locking from stalling
+ * out cursor updates indefinitely or from old values from being retained in
+ * the case where the viewport changes in the same frame as the cursor.
+ *
+ * The idea is to calculate the remaining time from VPOS to VUPDATE. If it's
+ * too close to VUPDATE, then stall out until VUPDATE finishes.
+ *
+ * TODO: Optimize cursor programming to be once per frame before VUPDATE
+ * to avoid the need for this workaround.
+ */
+static void delay_cursor_until_vupdate(struct dc *dc, struct pipe_ctx *pipe_ctx)
+{
+ struct dc_stream_state *stream = pipe_ctx->stream;
+ struct crtc_position position;
+ uint32_t vupdate_start, vupdate_end;
+ unsigned int lines_to_vupdate, us_to_vupdate, vpos;
+ unsigned int us_per_line, us_vupdate;
+
+ if (!dc->hwss.calc_vupdate_position || !dc->hwss.get_position)
+ return;
+
+ if (!pipe_ctx->stream_res.stream_enc || !pipe_ctx->stream_res.tg)
+ return;
+
+ dc->hwss.calc_vupdate_position(dc, pipe_ctx, &vupdate_start,
+ &vupdate_end);
+
+ dc->hwss.get_position(&pipe_ctx, 1, &position);
+ vpos = position.vertical_count;
+
+ /* Avoid wraparound calculation issues */
+ vupdate_start += stream->timing.v_total;
+ vupdate_end += stream->timing.v_total;
+ vpos += stream->timing.v_total;
+
+ if (vpos <= vupdate_start) {
+ /* VPOS is in VACTIVE or back porch. */
+ lines_to_vupdate = vupdate_start - vpos;
+ } else if (vpos > vupdate_end) {
+ /* VPOS is in the front porch. */
+ return;
+ } else {
+ /* VPOS is in VUPDATE. */
+ lines_to_vupdate = 0;
+ }
+
+ /* Calculate time until VUPDATE in microseconds. */
+ us_per_line =
+ stream->timing.h_total * 10000u / stream->timing.pix_clk_100hz;
+ us_to_vupdate = lines_to_vupdate * us_per_line;
+
+ /* 70 us is a conservative estimate of cursor update time*/
+ if (us_to_vupdate > 70)
+ return;
+
+ /* Stall out until the cursor update completes. */
+ if (vupdate_end < vupdate_start)
+ vupdate_end += stream->timing.v_total;
+ us_vupdate = (vupdate_end - vupdate_start + 1) * us_per_line;
+ udelay(us_to_vupdate + us_vupdate);
+}
+
+void dcn10_cursor_lock(struct dc *dc, struct pipe_ctx *pipe, bool lock)
+{
+ /* cursor lock is per MPCC tree, so only need to lock one pipe per stream */
+ if (!pipe || pipe->top_pipe)
+ return;
+
+ /* Prevent cursor lock from stalling out cursor updates. */
+ if (lock)
+ delay_cursor_until_vupdate(dc, pipe);
+
+ dc->res_pool->mpc->funcs->cursor_lock(dc->res_pool->mpc,
+ pipe->stream_res.opp->inst, lock);
+}
+
static bool wait_for_reset_trigger_to_occur(
struct dc_context *dc_ctx,
struct timing_generator *tg)
@@ -2085,25 +2222,25 @@ void dcn10_get_surface_visual_confirm_color(
switch (pipe_ctx->plane_res.scl_data.format) {
case PIXEL_FORMAT_ARGB8888:
- /* set boarder color to red */
+ /* set border color to red */
color->color_r_cr = color_value;
break;
case PIXEL_FORMAT_ARGB2101010:
- /* set boarder color to blue */
+ /* set border color to blue */
color->color_b_cb = color_value;
break;
case PIXEL_FORMAT_420BPP8:
- /* set boarder color to green */
+ /* set border color to green */
color->color_g_y = color_value;
break;
case PIXEL_FORMAT_420BPP10:
- /* set boarder color to yellow */
+ /* set border color to yellow */
color->color_g_y = color_value;
color->color_r_cr = color_value;
break;
case PIXEL_FORMAT_FP16:
- /* set boarder color to white */
+ /* set border color to white */
color->color_r_cr = color_value;
color->color_b_cb = color_value;
color->color_g_y = color_value;
@@ -2128,25 +2265,25 @@ void dcn10_get_hdr_visual_confirm_color(
switch (top_pipe_ctx->plane_res.scl_data.format) {
case PIXEL_FORMAT_ARGB2101010:
if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_PQ) {
- /* HDR10, ARGB2101010 - set boarder color to red */
+ /* HDR10, ARGB2101010 - set border color to red */
color->color_r_cr = color_value;
} else if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) {
- /* FreeSync 2 ARGB2101010 - set boarder color to pink */
+ /* FreeSync 2 ARGB2101010 - set border color to pink */
color->color_r_cr = color_value;
color->color_b_cb = color_value;
}
break;
case PIXEL_FORMAT_FP16:
if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_PQ) {
- /* HDR10, FP16 - set boarder color to blue */
+ /* HDR10, FP16 - set border color to blue */
color->color_b_cb = color_value;
} else if (top_pipe_ctx->stream->out_transfer_func->tf == TRANSFER_FUNCTION_GAMMA22) {
- /* FreeSync 2 HDR - set boarder color to green */
+ /* FreeSync 2 HDR - set border color to green */
color->color_g_y = color_value;
}
break;
default:
- /* SDR - set boarder color to Gray */
+ /* SDR - set border color to Gray */
color->color_r_cr = color_value/2;
color->color_b_cb = color_value/2;
color->color_g_y = color_value/2;
@@ -2195,6 +2332,14 @@ void dcn10_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
&blnd_cfg.black_color);
}
+ /*
+ * The way 420 is packed, 2 channels carry Y component, 1 channel
+ * alternate between Cb and Cr, so both channels need the pixel
+ * value for Y
+ */
+ if (pipe_ctx->stream->timing.pixel_encoding == PIXEL_ENCODING_YCBCR420)
+ blnd_cfg.black_color.color_r_cr = blnd_cfg.black_color.color_g_y;
+
if (per_pixel_alpha)
blnd_cfg.alpha_mode = MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA;
else
@@ -2431,12 +2576,12 @@ void dcn10_blank_pixel_data(
if (stream_res->tg->funcs->set_blank)
stream_res->tg->funcs->set_blank(stream_res->tg, blank);
if (stream_res->abm) {
- stream_res->abm->funcs->set_pipe(stream_res->abm, stream_res->tg->inst + 1);
+ stream_res->abm->funcs->set_pipe(stream_res->abm, stream_res->tg->inst + 1,
+ stream->link->panel_cntl->inst);
stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
}
} else if (blank) {
- if (stream_res->abm)
- stream_res->abm->funcs->set_abm_immediate_disable(stream_res->abm);
+ dc->hwss.set_abm_immediate_disable(pipe_ctx);
if (stream_res->tg->funcs->set_blank)
stream_res->tg->funcs->set_blank(stream_res->tg, blank);
}
@@ -3226,7 +3371,7 @@ int dcn10_get_vupdate_offset_from_vsync(struct pipe_ctx *pipe_ctx)
return vertical_line_start;
}
-static void dcn10_calc_vupdate_position(
+void dcn10_calc_vupdate_position(
struct dc *dc,
struct pipe_ctx *pipe_ctx,
uint32_t *start_line,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
index 16a50e05ffbf..42b6e016d71e 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.h
@@ -34,6 +34,11 @@ struct dc;
void dcn10_hw_sequencer_construct(struct dc *dc);
int dcn10_get_vupdate_offset_from_vsync(struct pipe_ctx *pipe_ctx);
+void dcn10_calc_vupdate_position(
+ struct dc *dc,
+ struct pipe_ctx *pipe_ctx,
+ uint32_t *start_line,
+ uint32_t *end_line);
void dcn10_setup_vupdate_interrupt(struct dc *dc, struct pipe_ctx *pipe_ctx);
enum dc_status dcn10_enable_stream_timing(
struct pipe_ctx *pipe_ctx,
@@ -49,6 +54,7 @@ void dcn10_pipe_control_lock(
struct dc *dc,
struct pipe_ctx *pipe,
bool lock);
+void dcn10_cursor_lock(struct dc *dc, struct pipe_ctx *pipe, bool lock);
void dcn10_blank_pixel_data(
struct dc *dc,
struct pipe_ctx *pipe_ctx,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c
index dd02d3983695..7cb8c3fb2665 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_init.c
@@ -50,6 +50,7 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
.disable_audio_stream = dce110_disable_audio_stream,
.disable_plane = dcn10_disable_plane,
.pipe_control_lock = dcn10_pipe_control_lock,
+ .cursor_lock = dcn10_cursor_lock,
.interdependent_update_lock = dcn10_lock_all_pipes,
.prepare_bandwidth = dcn10_prepare_bandwidth,
.optimize_bandwidth = dcn10_optimize_bandwidth,
@@ -71,6 +72,9 @@ static const struct hw_sequencer_funcs dcn10_funcs = {
.set_clock = dcn10_set_clock,
.get_clock = dcn10_get_clock,
.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+ .calc_vupdate_position = dcn10_calc_vupdate_position,
+ .set_backlight_level = dce110_set_backlight_level,
+ .set_abm_immediate_disable = dce110_set_abm_immediate_disable,
};
static const struct hwseq_private_funcs dcn10_private_funcs = {
@@ -87,8 +91,6 @@ static const struct hwseq_private_funcs dcn10_private_funcs = {
.reset_hw_ctx_wrap = dcn10_reset_hw_ctx_wrap,
.enable_stream_timing = dcn10_enable_stream_timing,
.edp_backlight_control = dce110_edp_backlight_control,
- .is_panel_backlight_on = dce110_is_panel_backlight_on,
- .is_panel_powered_on = dce110_is_panel_powered_on,
.disable_stream_gating = NULL,
.enable_stream_gating = NULL,
.setup_vupdate_interrupt = dcn10_setup_vupdate_interrupt,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
index d3617d6785a7..7fd385be3f3d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
@@ -90,7 +90,8 @@ static const struct link_encoder_funcs dcn10_lnk_enc_funcs = {
.is_dig_enabled = dcn10_is_dig_enabled,
.get_dig_frontend = dcn10_get_dig_frontend,
.get_dig_mode = dcn10_get_dig_mode,
- .destroy = dcn10_link_encoder_destroy
+ .destroy = dcn10_link_encoder_destroy,
+ .get_max_link_cap = dcn10_link_encoder_get_max_link_cap,
};
static enum bp_result link_transmitter_control(
@@ -1370,7 +1371,6 @@ void dcn10_link_encoder_disable_hpd(struct link_encoder *enc)
DC_HPD_EN, 0);
}
-
#define AUX_REG(reg)\
(enc10->aux_regs->reg)
@@ -1425,3 +1425,19 @@ enum signal_type dcn10_get_dig_mode(
return SIGNAL_TYPE_NONE;
}
+void dcn10_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings)
+{
+ /* Set Default link settings */
+ struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
+ LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
+
+ /* Higher link settings based on feature supported */
+ if (enc->features.flags.bits.IS_HBR2_CAPABLE)
+ max_link_cap.link_rate = LINK_RATE_HIGH2;
+
+ if (enc->features.flags.bits.IS_HBR3_CAPABLE)
+ max_link_cap.link_rate = LINK_RATE_HIGH3;
+
+ *link_settings = max_link_cap;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h
index 762109174fb8..68395bcc24fd 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.h
@@ -575,4 +575,7 @@ void dcn10_aux_initialize(struct dcn10_link_encoder *enc10);
enum signal_type dcn10_get_dig_mode(
struct link_encoder *enc);
+
+void dcn10_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings);
#endif /* __DC_LINK_ENCODER__DCN10_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
index 04f863499cfb..3fcd408e9103 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
@@ -223,6 +223,9 @@ struct mpcc *mpc1_insert_plane(
REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, dpp_id);
REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, tree->opp_id);
+ /* Configure VUPDATE lock set for this MPCC to map to the OPP */
+ REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, tree->opp_id);
+
/* update mpc tree mux setting */
if (tree->opp_list == insert_above_mpcc) {
/* insert the toppest mpcc */
@@ -318,6 +321,7 @@ void mpc1_remove_mpcc(
REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+ REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
/* mark this mpcc as not in use */
mpc10->mpcc_in_use_mask &= ~(1 << mpcc_id);
@@ -328,6 +332,7 @@ void mpc1_remove_mpcc(
REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+ REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
}
}
@@ -361,6 +366,7 @@ void mpc1_mpc_init(struct mpc *mpc)
REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+ REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
}
@@ -381,6 +387,7 @@ void mpc1_mpc_init_single_inst(struct mpc *mpc, unsigned int mpcc_id)
REG_SET(MPCC_TOP_SEL[mpcc_id], 0, MPCC_TOP_SEL, 0xf);
REG_SET(MPCC_BOT_SEL[mpcc_id], 0, MPCC_BOT_SEL, 0xf);
REG_SET(MPCC_OPP_ID[mpcc_id], 0, MPCC_OPP_ID, 0xf);
+ REG_SET(MPCC_UPDATE_LOCK_SEL[mpcc_id], 0, MPCC_UPDATE_LOCK_SEL, 0xf);
mpc1_init_mpcc(&(mpc->mpcc_array[mpcc_id]), mpcc_id);
@@ -453,6 +460,13 @@ void mpc1_read_mpcc_state(
MPCC_BUSY, &s->busy);
}
+void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock)
+{
+ struct dcn10_mpc *mpc10 = TO_DCN10_MPC(mpc);
+
+ REG_SET(CUR[opp_id], 0, CUR_VUPDATE_LOCK_SET, lock ? 1 : 0);
+}
+
static const struct mpc_funcs dcn10_mpc_funcs = {
.read_mpcc_state = mpc1_read_mpcc_state,
.insert_plane = mpc1_insert_plane,
@@ -464,6 +478,7 @@ static const struct mpc_funcs dcn10_mpc_funcs = {
.assert_mpcc_idle_before_connect = mpc1_assert_mpcc_idle_before_connect,
.init_mpcc_list_from_hw = mpc1_init_mpcc_list_from_hw,
.update_blending = mpc1_update_blending,
+ .cursor_lock = mpc1_cursor_lock,
.set_denorm = NULL,
.set_denorm_clamp = NULL,
.set_output_csc = NULL,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
index 962a68e322ee..66a4719c22a0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.h
@@ -39,11 +39,12 @@
SRII(MPCC_BG_G_Y, MPCC, inst),\
SRII(MPCC_BG_R_CR, MPCC, inst),\
SRII(MPCC_BG_B_CB, MPCC, inst),\
- SRII(MPCC_BG_B_CB, MPCC, inst),\
- SRII(MPCC_SM_CONTROL, MPCC, inst)
+ SRII(MPCC_SM_CONTROL, MPCC, inst),\
+ SRII(MPCC_UPDATE_LOCK_SEL, MPCC, inst)
#define MPC_OUT_MUX_COMMON_REG_LIST_DCN1_0(inst) \
- SRII(MUX, MPC_OUT, inst)
+ SRII(MUX, MPC_OUT, inst),\
+ VUPDATE_SRII(CUR, VUPDATE_LOCK_SET, inst)
#define MPC_COMMON_REG_VARIABLE_LIST \
uint32_t MPCC_TOP_SEL[MAX_MPCC]; \
@@ -55,7 +56,9 @@
uint32_t MPCC_BG_R_CR[MAX_MPCC]; \
uint32_t MPCC_BG_B_CB[MAX_MPCC]; \
uint32_t MPCC_SM_CONTROL[MAX_MPCC]; \
- uint32_t MUX[MAX_OPP];
+ uint32_t MUX[MAX_OPP]; \
+ uint32_t MPCC_UPDATE_LOCK_SEL[MAX_MPCC]; \
+ uint32_t CUR[MAX_OPP];
#define MPC_COMMON_MASK_SH_LIST_DCN1_0(mask_sh)\
SF(MPCC0_MPCC_TOP_SEL, MPCC_TOP_SEL, mask_sh),\
@@ -78,7 +81,8 @@
SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FIELD_ALT, mask_sh),\
SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_FRAME_POL, mask_sh),\
SF(MPCC0_MPCC_SM_CONTROL, MPCC_SM_FORCE_NEXT_TOP_POL, mask_sh),\
- SF(MPC_OUT0_MUX, MPC_OUT_MUX, mask_sh)
+ SF(MPC_OUT0_MUX, MPC_OUT_MUX, mask_sh),\
+ SF(MPCC0_MPCC_UPDATE_LOCK_SEL, MPCC_UPDATE_LOCK_SEL, mask_sh)
#define MPC_REG_FIELD_LIST(type) \
type MPCC_TOP_SEL;\
@@ -101,7 +105,9 @@
type MPCC_SM_FIELD_ALT;\
type MPCC_SM_FORCE_NEXT_FRAME_POL;\
type MPCC_SM_FORCE_NEXT_TOP_POL;\
- type MPC_OUT_MUX;
+ type MPC_OUT_MUX;\
+ type MPCC_UPDATE_LOCK_SEL;\
+ type CUR_VUPDATE_LOCK_SET;
struct dcn_mpc_registers {
MPC_COMMON_REG_VARIABLE_LIST
@@ -192,4 +198,6 @@ void mpc1_read_mpcc_state(
int mpcc_inst,
struct mpcc_state *s);
+void mpc1_cursor_lock(struct mpc *mpc, int opp_id, bool lock);
+
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
index 17d96ec6acd8..ec0ab42becba 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c
@@ -299,6 +299,7 @@ void optc1_set_vtg_params(struct timing_generator *optc,
uint32_t asic_blank_end;
uint32_t v_init;
uint32_t v_fp2 = 0;
+ int32_t vertical_line_start;
struct optc *optc1 = DCN10TG_FROM_TG(optc);
@@ -315,8 +316,9 @@ void optc1_set_vtg_params(struct timing_generator *optc,
patched_crtc_timing.v_border_top;
/* if VSTARTUP is before VSYNC, FP2 is the offset, otherwise 0 */
- if (optc1->vstartup_start > asic_blank_end)
- v_fp2 = optc1->vstartup_start - asic_blank_end;
+ vertical_line_start = asic_blank_end - optc1->vstartup_start + 1;
+ if (vertical_line_start < 0)
+ v_fp2 = -vertical_line_start;
/* Interlace */
if (REG(OTG_INTERLACE_CONTROL)) {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
index 9a459a8fe8a0..8d1e52fb0393 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.h
@@ -158,6 +158,7 @@ struct dcn_optc_registers {
uint32_t OTG_GSL_WINDOW_Y;
uint32_t OTG_VUPDATE_KEEPOUT;
uint32_t OTG_CRC_CNTL;
+ uint32_t OTG_CRC_CNTL2;
uint32_t OTG_CRC0_DATA_RG;
uint32_t OTG_CRC0_DATA_B;
uint32_t OTG_CRC0_WINDOWA_X_CONTROL;
@@ -475,7 +476,11 @@ struct dcn_optc_registers {
type OPTC_DSC_SLICE_WIDTH;\
type OPTC_SEGMENT_WIDTH;\
type OPTC_DWB0_SOURCE_SELECT;\
- type OPTC_DWB1_SOURCE_SELECT;
+ type OPTC_DWB1_SOURCE_SELECT;\
+ type OTG_CRC_DSC_MODE;\
+ type OTG_CRC_DATA_STREAM_COMBINE_MODE;\
+ type OTG_CRC_DATA_STREAM_SPLIT_MODE;\
+ type OTG_CRC_DATA_FORMAT;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 07265ca7d28c..17d5cb422025 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -51,6 +51,7 @@
#include "dce112/dce112_resource.h"
#include "dcn10_hubp.h"
#include "dcn10_hubbub.h"
+#include "dce/dce_panel_cntl.h"
#include "soc15_hw_ip.h"
#include "vega10_ip_offset.h"
@@ -181,6 +182,14 @@ enum dcn10_clk_src_array_id {
.reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
mm ## block ## id ## _ ## reg_name
+#define VUPDATE_SRII(reg_name, block, id)\
+ .reg_name[id] = BASE(mm ## reg_name ## 0 ## _ ## block ## id ## _BASE_IDX) + \
+ mm ## reg_name ## 0 ## _ ## block ## id
+
+/* set field/register/bitfield name */
+#define SFRB(field_name, reg_name, bitfield, post_fix)\
+ .field_name = reg_name ## __ ## bitfield ## post_fix
+
/* NBIO */
#define NBIO_BASE_INNER(seg) \
NBIF_BASE__INST0_SEG ## seg
@@ -321,6 +330,18 @@ static const struct dcn10_link_enc_mask le_mask = {
LINK_ENCODER_MASK_SH_LIST_DCN10(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCN_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
static const struct dce110_aux_registers_shift aux_shift = {
DCN10_AUX_MASK_SH_LIST(__SHIFT)
};
@@ -419,11 +440,13 @@ static const struct dcn_mpc_registers mpc_regs = {
};
static const struct dcn_mpc_shift mpc_shift = {
- MPC_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT)
+ MPC_COMMON_MASK_SH_LIST_DCN1_0(__SHIFT),\
+ SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, __SHIFT)
};
static const struct dcn_mpc_mask mpc_mask = {
- MPC_COMMON_MASK_SH_LIST_DCN1_0(_MASK),
+ MPC_COMMON_MASK_SH_LIST_DCN1_0(_MASK),\
+ SFRB(CUR_VUPDATE_LOCK_SET, CUR0_VUPDATE_LOCK_SET0, CUR0_VUPDATE_LOCK_SET, _MASK)
};
#define tg_regs(id)\
@@ -807,6 +830,23 @@ struct link_encoder *dcn10_link_encoder_create(
return &enc10->base;
}
+static struct panel_cntl *dcn10_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
struct clock_source *dcn10_clock_source_create(
struct dc_context *ctx,
struct dc_bios *bios,
@@ -1081,24 +1121,6 @@ static enum dc_status build_mapped_resource(
{
struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
- /*TODO Seems unneeded anymore */
- /* if (old_context && resource_is_stream_unchanged(old_context, stream)) {
- if (stream != NULL && old_context->streams[i] != NULL) {
- todo: shouldn't have to copy missing parameter here
- resource_build_bit_depth_reduction_params(stream,
- &stream->bit_depth_params);
- stream->clamping.pixel_encoding =
- stream->timing.pixel_encoding;
-
- resource_build_bit_depth_reduction_params(stream,
- &stream->bit_depth_params);
- build_clamping_params(stream);
-
- continue;
- }
- }
- */
-
if (!pipe_ctx)
return DC_ERROR_UNEXPECTED;
@@ -1291,6 +1313,7 @@ static const struct dc_cap_funcs cap_funcs = {
static const struct resource_funcs dcn10_res_pool_funcs = {
.destroy = dcn10_destroy_resource_pool,
.link_enc_create = dcn10_link_encoder_create,
+ .panel_cntl_create = dcn10_panel_cntl_create,
.validate_bandwidth = dcn_validate_bandwidth,
.acquire_idle_pipe_for_layer = dcn10_acquire_idle_pipe_for_layer,
.validate_plane = dcn10_validate_plane,
@@ -1353,6 +1376,40 @@ static bool dcn10_resource_construct(
/* Raven DP PHY HBR2 eye diagram pattern is not stable. Use TP4 */
dc->caps.force_dp_tps4_for_cp2520 = true;
+ /* Color pipeline capabilities */
+ dc->caps.color.dpp.dcn_arch = 1;
+ dc->caps.color.dpp.input_lut_shared = 1;
+ dc->caps.color.dpp.icsc = 1;
+ dc->caps.color.dpp.dgam_ram = 1;
+ dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
+ dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
+ dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.dgam_rom_caps.pq = 0;
+ dc->caps.color.dpp.dgam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.post_csc = 0;
+ dc->caps.color.dpp.gamma_corr = 0;
+
+ dc->caps.color.dpp.hw_3d_lut = 0;
+ dc->caps.color.dpp.ogam_ram = 1; // RGAM on DCN1
+ dc->caps.color.dpp.ogam_rom_caps.srgb = 1;
+ dc->caps.color.dpp.ogam_rom_caps.bt2020 = 1;
+ dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.ogam_rom_caps.pq = 0;
+ dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.ocsc = 1;
+
+ /* no post-blend color operations */
+ dc->caps.color.mpc.gamut_remap = 0;
+ dc->caps.color.mpc.num_3dluts = 0;
+ dc->caps.color.mpc.shared_3d_lut = 0;
+ dc->caps.color.mpc.ogam_ram = 0;
+ dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
+ dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.pq = 0;
+ dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
+ dc->caps.color.mpc.ocsc = 0;
+
if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
dc->debug = debug_defaults_drv;
else
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
index 7eba9333c328..07b2f9399671 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_stream_encoder.c
@@ -1274,7 +1274,6 @@ static void enc1_se_audio_setup(
{
struct dcn10_stream_encoder *enc1 = DCN10STRENC_FROM_STRENC(enc);
- uint32_t speakers = 0;
uint32_t channels = 0;
ASSERT(audio_info);
@@ -1282,7 +1281,6 @@ static void enc1_se_audio_setup(
/* This should not happen.it does so we don't get BSOD*/
return;
- speakers = audio_info->flags.info.ALLSPEAKERS;
channels = speakers_to_channels(audio_info->flags.speaker_flags).all;
/* setup the audio stream source select (audio -> dig mapping) */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h
index 501532dd523a..c478213ba7ad 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubbub.h
@@ -80,6 +80,7 @@ struct dcn20_hubbub {
const struct dcn_hubbub_mask *masks;
unsigned int debug_test_index_pstate;
struct dcn_watermark_set watermarks;
+ int num_vmid;
struct dcn20_vmid vmid[16];
unsigned int detile_buf_size;
};
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
index 22f421e82733..da5333d165ac 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
@@ -961,8 +961,7 @@ void dcn20_blank_pixel_data(
width = width / odm_cnt;
if (blank) {
- if (stream_res->abm)
- stream_res->abm->funcs->set_abm_immediate_disable(stream_res->abm);
+ dc->hwss.set_abm_immediate_disable(pipe_ctx);
if (dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
test_pattern = CONTROLLER_DP_TEST_PATTERN_COLORSQUARES;
@@ -997,7 +996,8 @@ void dcn20_blank_pixel_data(
if (!blank)
if (stream_res->abm) {
- stream_res->abm->funcs->set_pipe(stream_res->abm, stream_res->tg->inst + 1);
+ stream_res->abm->funcs->set_pipe(stream_res->abm, stream_res->tg->inst + 1,
+ stream->link->panel_cntl->inst);
stream_res->abm->funcs->set_abm_level(stream_res->abm, stream->abm_level);
}
}
@@ -1478,8 +1478,11 @@ static void dcn20_program_pipe(
if (pipe_ctx->update_flags.bits.odm)
hws->funcs.update_odm(dc, context, pipe_ctx);
- if (pipe_ctx->update_flags.bits.enable)
+ if (pipe_ctx->update_flags.bits.enable) {
dcn20_enable_plane(dc, pipe_ctx, context);
+ if (dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes)
+ dc->res_pool->hubbub->funcs->force_wm_propagate_to_pipes(dc->res_pool->hubbub);
+ }
if (pipe_ctx->update_flags.raw || pipe_ctx->plane_state->update_flags.raw || pipe_ctx->stream->update_flags.raw)
dcn20_update_dchubp_dpp(dc, pipe_ctx, context);
@@ -2037,8 +2040,7 @@ static void dcn20_reset_back_end_for_pipe(
*/
if (pipe_ctx->top_pipe == NULL) {
- if (pipe_ctx->stream_res.abm)
- pipe_ctx->stream_res.abm->funcs->set_abm_immediate_disable(pipe_ctx->stream_res.abm);
+ dc->hwss.set_abm_immediate_disable(pipe_ctx);
pipe_ctx->stream_res.tg->funcs->disable_crtc(pipe_ctx->stream_res.tg);
@@ -2171,6 +2173,13 @@ void dcn20_update_mpcc(struct dc *dc, struct pipe_ctx *pipe_ctx)
*/
mpcc_id = hubp->inst;
+ /* If there is no full update, don't need to touch MPC tree*/
+ if (!pipe_ctx->plane_state->update_flags.bits.full_update &&
+ !pipe_ctx->update_flags.bits.mpcc) {
+ mpc->funcs->update_blending(mpc, &blnd_cfg, mpcc_id);
+ return;
+ }
+
/* check if this MPCC is already being used */
new_mpcc = mpc->funcs->get_mpcc_for_dpp(mpc_tree_params, mpcc_id);
/* remove MPCC if being used */
@@ -2294,7 +2303,8 @@ void dcn20_fpga_init_hw(struct dc *dc)
REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_REFDIV, 2);
REG_UPDATE(DCHUBBUB_GLOBAL_TIMER_CNTL, DCHUBBUB_GLOBAL_TIMER_ENABLE, 1);
- REG_WRITE(REFCLK_CNTL, 0);
+ if (REG(REFCLK_CNTL))
+ REG_WRITE(REFCLK_CNTL, 0);
//
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
index 1e73357eda34..2fbde4241559 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_init.c
@@ -52,6 +52,7 @@ static const struct hw_sequencer_funcs dcn20_funcs = {
.disable_plane = dcn20_disable_plane,
.pipe_control_lock = dcn20_pipe_control_lock,
.interdependent_update_lock = dcn10_lock_all_pipes,
+ .cursor_lock = dcn10_cursor_lock,
.prepare_bandwidth = dcn20_prepare_bandwidth,
.optimize_bandwidth = dcn20_optimize_bandwidth,
.update_bandwidth = dcn20_update_bandwidth,
@@ -82,6 +83,9 @@ static const struct hw_sequencer_funcs dcn20_funcs = {
.init_vm_ctx = dcn20_init_vm_ctx,
.set_flip_control_gsl = dcn20_set_flip_control_gsl,
.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
+ .calc_vupdate_position = dcn10_calc_vupdate_position,
+ .set_backlight_level = dce110_set_backlight_level,
+ .set_abm_immediate_disable = dce110_set_abm_immediate_disable,
};
static const struct hwseq_private_funcs dcn20_private_funcs = {
@@ -97,8 +101,6 @@ static const struct hwseq_private_funcs dcn20_private_funcs = {
.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
.enable_stream_timing = dcn20_enable_stream_timing,
.edp_backlight_control = dce110_edp_backlight_control,
- .is_panel_backlight_on = dce110_is_panel_backlight_on,
- .is_panel_powered_on = dce110_is_panel_powered_on,
.disable_stream_gating = dcn20_disable_stream_gating,
.enable_stream_gating = dcn20_enable_stream_gating,
.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c
index e4ac73035c84..8d209dae66e6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.c
@@ -49,6 +49,12 @@
#define IND_REG(index) \
(enc10->link_regs->index)
+#ifndef MAX
+#define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
+#endif
+#ifndef MIN
+#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
+#endif
static struct mpll_cfg dcn2_mpll_cfg[] = {
// RBR
@@ -260,6 +266,38 @@ void dcn20_link_encoder_enable_dp_output(
}
+void dcn20_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings)
+{
+ struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+ uint32_t is_in_usb_c_dp4_mode = 0;
+
+ dcn10_link_encoder_get_max_link_cap(enc, link_settings);
+
+ /* in usb c dp2 mode, max lane count is 2 */
+ if (enc->funcs->is_in_alt_mode && enc->funcs->is_in_alt_mode(enc)) {
+ REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &is_in_usb_c_dp4_mode);
+ if (!is_in_usb_c_dp4_mode)
+ link_settings->lane_count = MIN(LANE_COUNT_TWO, link_settings->lane_count);
+ }
+
+}
+
+bool dcn20_link_encoder_is_in_alt_mode(struct link_encoder *enc)
+{
+ struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
+ uint32_t dp_alt_mode_disable = 0;
+ bool is_usb_c_alt_mode = false;
+
+ if (enc->features.flags.bits.DP_IS_USB_C) {
+ /* if value == 1 alt mode is disabled, otherwise it is enabled */
+ REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &dp_alt_mode_disable);
+ is_usb_c_alt_mode = (dp_alt_mode_disable == 0);
+ }
+
+ return is_usb_c_alt_mode;
+}
+
#define AUX_REG(reg)\
(enc10->aux_regs->reg)
@@ -338,6 +376,8 @@ static const struct link_encoder_funcs dcn20_link_enc_funcs = {
.fec_is_active = enc2_fec_is_active,
.get_dig_mode = dcn10_get_dig_mode,
.get_dig_frontend = dcn10_get_dig_frontend,
+ .is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode,
+ .get_max_link_cap = dcn20_link_encoder_get_max_link_cap,
};
void dcn20_link_encoder_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.h
index 8cab8107fd94..284a1ee4d249 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_link_encoder.h
@@ -343,6 +343,10 @@ void dcn20_link_encoder_enable_dp_output(
const struct dc_link_settings *link_settings,
enum clock_source_id clock_source);
+bool dcn20_link_encoder_is_in_alt_mode(struct link_encoder *enc);
+void dcn20_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings);
+
void dcn20_link_encoder_construct(
struct dcn20_link_encoder *enc20,
const struct encoder_init_data *init_data,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
index de9c857ab3e9..99cc095dc33c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.c
@@ -452,7 +452,7 @@ void mpc2_set_output_gamma(
next_mode = LUT_RAM_A;
mpc20_power_on_ogam_lut(mpc, mpcc_id, true);
- mpc20_configure_ogam_lut(mpc, mpcc_id, next_mode == LUT_RAM_A ? true:false);
+ mpc20_configure_ogam_lut(mpc, mpcc_id, next_mode == LUT_RAM_A);
if (next_mode == LUT_RAM_A)
mpc2_program_luta(mpc, mpcc_id, params);
@@ -545,6 +545,7 @@ const struct mpc_funcs dcn20_mpc_funcs = {
.mpc_init = mpc1_mpc_init,
.mpc_init_single_inst = mpc1_mpc_init_single_inst,
.update_blending = mpc2_update_blending,
+ .cursor_lock = mpc1_cursor_lock,
.get_mpcc_for_dpp = mpc2_get_mpcc_for_dpp,
.wait_for_idle = mpc2_assert_idle_mpcc,
.assert_mpcc_idle_before_connect = mpc2_assert_mpcc_idle_before_connect,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h
index c78fd5123497..496658f420db 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_mpc.h
@@ -179,7 +179,8 @@
SF(MPC_OUT0_DENORM_CLAMP_G_Y, MPC_OUT_DENORM_CLAMP_MAX_G_Y, mask_sh),\
SF(MPC_OUT0_DENORM_CLAMP_G_Y, MPC_OUT_DENORM_CLAMP_MIN_G_Y, mask_sh),\
SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MAX_B_CB, mask_sh),\
- SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MIN_B_CB, mask_sh)
+ SF(MPC_OUT0_DENORM_CLAMP_B_CB, MPC_OUT_DENORM_CLAMP_MIN_B_CB, mask_sh),\
+ SF(CUR_VUPDATE_LOCK_SET0, CUR_VUPDATE_LOCK_SET, mask_sh)
/*
* DCN2 MPC_OCSC debug status register:
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
index d875b0c38fde..8c16967fe018 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.c
@@ -409,6 +409,18 @@ void optc2_program_manual_trigger(struct timing_generator *optc)
OTG_TRIGA_MANUAL_TRIG, 1);
}
+bool optc2_configure_crc(struct timing_generator *optc,
+ const struct crc_params *params)
+{
+ struct optc *optc1 = DCN10TG_FROM_TG(optc);
+
+ REG_SET_2(OTG_CRC_CNTL2, 0,
+ OTG_CRC_DSC_MODE, params->dsc_mode,
+ OTG_CRC_DATA_STREAM_COMBINE_MODE, params->odm_mode);
+
+ return optc1_configure_crc(optc, params);
+}
+
static struct timing_generator_funcs dcn20_tg_funcs = {
.validate_timing = optc1_validate_timing,
.program_timing = optc1_program_timing,
@@ -452,7 +464,7 @@ static struct timing_generator_funcs dcn20_tg_funcs = {
.clear_optc_underflow = optc1_clear_optc_underflow,
.setup_global_swap_lock = NULL,
.get_crc = optc1_get_crc,
- .configure_crc = optc1_configure_crc,
+ .configure_crc = optc2_configure_crc,
.set_dsc_config = optc2_set_dsc_config,
.set_dwb_source = optc2_set_dwb_source,
.set_odm_bypass = optc2_set_odm_bypass,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h
index 239cc40ae474..e0a0a8a8e2c6 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_optc.h
@@ -36,6 +36,7 @@
SRI(OTG_GSL_WINDOW_Y, OTG, inst),\
SRI(OTG_VUPDATE_KEEPOUT, OTG, inst),\
SRI(OTG_DSC_START_POSITION, OTG, inst),\
+ SRI(OTG_CRC_CNTL2, OTG, inst),\
SRI(OPTC_DATA_FORMAT_CONTROL, ODM, inst),\
SRI(OPTC_BYTES_PER_PIXEL, ODM, inst),\
SRI(OPTC_WIDTH_CONTROL, ODM, inst),\
@@ -62,6 +63,10 @@
SF(OTG0_OTG_GSL_CONTROL, OTG_MASTER_UPDATE_LOCK_GSL_EN, mask_sh), \
SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_X, mask_sh), \
SF(OTG0_OTG_DSC_START_POSITION, OTG_DSC_START_POSITION_LINE_NUM, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL2, OTG_CRC_DSC_MODE, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL2, OTG_CRC_DATA_STREAM_COMBINE_MODE, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL2, OTG_CRC_DATA_STREAM_SPLIT_MODE, mask_sh),\
+ SF(OTG0_OTG_CRC_CNTL2, OTG_CRC_DATA_FORMAT, mask_sh),\
SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG0_SRC_SEL, mask_sh),\
SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_SEG1_SRC_SEL, mask_sh),\
SF(ODM0_OPTC_DATA_SOURCE_SELECT, OPTC_NUM_OF_INPUT_SEGMENT, mask_sh),\
@@ -109,4 +114,6 @@ void optc2_lock_doublebuffer_enable(struct timing_generator *optc);
void optc2_setup_manual_trigger(struct timing_generator *optc);
void optc2_program_manual_trigger(struct timing_generator *optc);
bool optc2_is_two_pixels_per_containter(const struct dc_crtc_timing *timing);
+bool optc2_configure_crc(struct timing_generator *optc,
+ const struct crc_params *params);
#endif /* __DC_OPTC_DCN20_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
index 5cdbba0cd873..cef1aa938ab5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
@@ -61,6 +61,7 @@
#include "dcn20_dccg.h"
#include "dcn20_vmid.h"
#include "dc_link_ddc.h"
+#include "dce/dce_panel_cntl.h"
#include "navi10_ip_offset.h"
@@ -508,6 +509,10 @@ enum dcn20_clk_src_array_id {
.block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
mm ## block ## id ## _ ## reg_name
+#define VUPDATE_SRII(reg_name, block, id)\
+ .reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
+ mm ## reg_name ## _ ## block ## id
+
/* NBIO */
#define NBIO_BASE_INNER(seg) \
NBIO_BASE__INST0_SEG ## seg
@@ -687,6 +692,18 @@ static const struct dcn10_link_enc_mask le_mask = {
DPCS_DCN2_MASK_SH_LIST(_MASK)
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCN_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
#define ipp_regs(id)\
[id] = {\
IPP_REG_LIST_DCN20(id),\
@@ -1289,6 +1306,23 @@ struct link_encoder *dcn20_link_encoder_create(
return &enc20->enc10.base;
}
+static struct panel_cntl *dcn20_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
struct clock_source *dcn20_clock_source_create(
struct dc_context *ctx,
struct dc_bios *bios,
@@ -1619,24 +1653,6 @@ enum dc_status dcn20_build_mapped_resource(const struct dc *dc, struct dc_state
enum dc_status status = DC_OK;
struct pipe_ctx *pipe_ctx = resource_get_head_pipe_for_stream(&context->res_ctx, stream);
- /*TODO Seems unneeded anymore */
- /* if (old_context && resource_is_stream_unchanged(old_context, stream)) {
- if (stream != NULL && old_context->streams[i] != NULL) {
- todo: shouldn't have to copy missing parameter here
- resource_build_bit_depth_reduction_params(stream,
- &stream->bit_depth_params);
- stream->clamping.pixel_encoding =
- stream->timing.pixel_encoding;
-
- resource_build_bit_depth_reduction_params(stream,
- &stream->bit_depth_params);
- build_clamping_params(stream);
-
- continue;
- }
- }
- */
-
if (!pipe_ctx)
return DC_ERROR_UNEXPECTED;
@@ -1647,22 +1663,32 @@ enum dc_status dcn20_build_mapped_resource(const struct dc *dc, struct dc_state
}
-static void acquire_dsc(struct resource_context *res_ctx,
- const struct resource_pool *pool,
+void dcn20_acquire_dsc(const struct dc *dc,
+ struct resource_context *res_ctx,
struct display_stream_compressor **dsc,
int pipe_idx)
{
int i;
+ const struct resource_pool *pool = dc->res_pool;
+ struct display_stream_compressor *dsc_old = dc->current_state->res_ctx.pipe_ctx[pipe_idx].stream_res.dsc;
- ASSERT(*dsc == NULL);
+ ASSERT(*dsc == NULL); /* If this ASSERT fails, dsc was not released properly */
*dsc = NULL;
+ /* Always do 1-to-1 mapping when number of DSCs is same as number of pipes */
if (pool->res_cap->num_dsc == pool->res_cap->num_opp) {
*dsc = pool->dscs[pipe_idx];
res_ctx->is_dsc_acquired[pipe_idx] = true;
return;
}
+ /* Return old DSC to avoid the need for re-programming */
+ if (dsc_old && !res_ctx->is_dsc_acquired[dsc_old->inst]) {
+ *dsc = dsc_old;
+ res_ctx->is_dsc_acquired[dsc_old->inst] = true;
+ return ;
+ }
+
/* Find first free DSC */
for (i = 0; i < pool->res_cap->num_dsc; i++)
if (!res_ctx->is_dsc_acquired[i]) {
@@ -1694,7 +1720,6 @@ enum dc_status dcn20_add_dsc_to_stream_resource(struct dc *dc,
{
enum dc_status result = DC_OK;
int i;
- const struct resource_pool *pool = dc->res_pool;
/* Get a DSC if required and available */
for (i = 0; i < dc->res_pool->pipe_count; i++) {
@@ -1706,7 +1731,7 @@ enum dc_status dcn20_add_dsc_to_stream_resource(struct dc *dc,
if (pipe_ctx->stream_res.dsc)
continue;
- acquire_dsc(&dc_ctx->res_ctx, pool, &pipe_ctx->stream_res.dsc, i);
+ dcn20_acquire_dsc(dc, &dc_ctx->res_ctx, &pipe_ctx->stream_res.dsc, i);
/* The number of DSCs can be less than the number of pipes */
if (!pipe_ctx->stream_res.dsc) {
@@ -1834,12 +1859,13 @@ static void swizzle_to_dml_params(
}
bool dcn20_split_stream_for_odm(
+ const struct dc *dc,
struct resource_context *res_ctx,
- const struct resource_pool *pool,
struct pipe_ctx *prev_odm_pipe,
struct pipe_ctx *next_odm_pipe)
{
int pipe_idx = next_odm_pipe->pipe_idx;
+ const struct resource_pool *pool = dc->res_pool;
*next_odm_pipe = *prev_odm_pipe;
@@ -1897,7 +1923,7 @@ bool dcn20_split_stream_for_odm(
}
next_odm_pipe->stream_res.opp = pool->opps[next_odm_pipe->pipe_idx];
if (next_odm_pipe->stream->timing.flags.DSC == 1) {
- acquire_dsc(res_ctx, pool, &next_odm_pipe->stream_res.dsc, next_odm_pipe->pipe_idx);
+ dcn20_acquire_dsc(dc, res_ctx, &next_odm_pipe->stream_res.dsc, next_odm_pipe->pipe_idx);
ASSERT(next_odm_pipe->stream_res.dsc);
if (next_odm_pipe->stream_res.dsc == NULL)
return false;
@@ -1935,8 +1961,6 @@ void dcn20_split_stream_for_mpc(
secondary_pipe->top_pipe = primary_pipe;
ASSERT(primary_pipe->plane_state);
- resource_build_scaling_params(primary_pipe);
- resource_build_scaling_params(secondary_pipe);
}
void dcn20_populate_dml_writeback_from_context(
@@ -2212,12 +2236,12 @@ int dcn20_populate_dml_pipes_from_context(
|| pipes[pipe_cnt].pipe.dest.odm_combine != dm_odm_combine_mode_disabled;
pipes[pipe_cnt].pipe.src.source_scan = pln->rotation == ROTATION_ANGLE_90
|| pln->rotation == ROTATION_ANGLE_270 ? dm_vert : dm_horz;
- pipes[pipe_cnt].pipe.src.viewport_y_y = scl->viewport.y;
- pipes[pipe_cnt].pipe.src.viewport_y_c = scl->viewport_c.y;
- pipes[pipe_cnt].pipe.src.viewport_width = scl->viewport.width;
- pipes[pipe_cnt].pipe.src.viewport_width_c = scl->viewport_c.width;
- pipes[pipe_cnt].pipe.src.viewport_height = scl->viewport.height;
- pipes[pipe_cnt].pipe.src.viewport_height_c = scl->viewport_c.height;
+ pipes[pipe_cnt].pipe.src.viewport_y_y = scl->viewport_unadjusted.y;
+ pipes[pipe_cnt].pipe.src.viewport_y_c = scl->viewport_c_unadjusted.y;
+ pipes[pipe_cnt].pipe.src.viewport_width = scl->viewport_unadjusted.width;
+ pipes[pipe_cnt].pipe.src.viewport_width_c = scl->viewport_c_unadjusted.width;
+ pipes[pipe_cnt].pipe.src.viewport_height = scl->viewport_unadjusted.height;
+ pipes[pipe_cnt].pipe.src.viewport_height_c = scl->viewport_c_unadjusted.height;
pipes[pipe_cnt].pipe.src.surface_width_y = pln->plane_size.surface_size.width;
pipes[pipe_cnt].pipe.src.surface_height_y = pln->plane_size.surface_size.height;
pipes[pipe_cnt].pipe.src.surface_width_c = pln->plane_size.chroma_size.width;
@@ -2566,13 +2590,15 @@ int dcn20_validate_apply_pipe_split_flags(
struct dc *dc,
struct dc_state *context,
int vlevel,
- bool *split,
+ int *split,
bool *merge)
{
int i, pipe_idx, vlevel_split;
int plane_count = 0;
bool force_split = false;
bool avoid_split = dc->debug.pipe_split_policy == MPC_SPLIT_AVOID;
+ struct vba_vars_st *v = &context->bw_ctx.dml.vba;
+ int max_mpc_comb = v->maxMpcComb;
if (context->stream_count > 1) {
if (dc->debug.pipe_split_policy == MPC_SPLIT_AVOID_MULT_DISP)
@@ -2580,10 +2606,22 @@ int dcn20_validate_apply_pipe_split_flags(
} else if (dc->debug.force_single_disp_pipe_split)
force_split = true;
- /* TODO: fix dc bugs and remove this split threshold thing */
for (i = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
+ /**
+ * Workaround for avoiding pipe-split in cases where we'd split
+ * planes that are too small, resulting in splits that aren't
+ * valid for the scaler.
+ */
+ if (pipe->plane_state &&
+ (pipe->plane_state->dst_rect.width <= 16 ||
+ pipe->plane_state->dst_rect.height <= 16 ||
+ pipe->plane_state->src_rect.width <= 16 ||
+ pipe->plane_state->src_rect.height <= 16))
+ avoid_split = true;
+
+ /* TODO: fix dc bugs and remove this split threshold thing */
if (pipe->stream && !pipe->prev_odm_pipe &&
(!pipe->top_pipe || pipe->top_pipe->plane_state != pipe->plane_state))
++plane_count;
@@ -2598,26 +2636,35 @@ int dcn20_validate_apply_pipe_split_flags(
continue;
for (vlevel_split = vlevel; vlevel <= context->bw_ctx.dml.soc.num_states; vlevel++)
- if (context->bw_ctx.dml.vba.NoOfDPP[vlevel][0][pipe_idx] == 1)
+ if (v->NoOfDPP[vlevel][0][pipe_idx] == 1 &&
+ v->ModeSupport[vlevel][0])
break;
/* Impossible to not split this pipe */
if (vlevel > context->bw_ctx.dml.soc.num_states)
vlevel = vlevel_split;
+ else
+ max_mpc_comb = 0;
pipe_idx++;
}
- context->bw_ctx.dml.vba.maxMpcComb = 0;
+ v->maxMpcComb = max_mpc_comb;
}
/* Split loop sets which pipe should be split based on dml outputs and dc flags */
for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
- int pipe_plane = context->bw_ctx.dml.vba.pipe_plane[pipe_idx];
+ int pipe_plane = v->pipe_plane[pipe_idx];
+ bool split4mpc = context->stream_count == 1 && plane_count == 1
+ && dc->config.enable_4to1MPC && dc->res_pool->pipe_count >= 4;
if (!context->res_ctx.pipe_ctx[i].stream)
continue;
- if (force_split || context->bw_ctx.dml.vba.NoOfDPP[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_plane] > 1)
- split[i] = true;
+ if (force_split || v->NoOfDPP[vlevel][max_mpc_comb][pipe_plane] > 1) {
+ if (split4mpc)
+ split[i] = 4;
+ else
+ split[i] = 2;
+ }
if ((pipe->stream->view_format ==
VIEW_3D_FORMAT_SIDE_BY_SIDE ||
pipe->stream->view_format ==
@@ -2626,50 +2673,75 @@ int dcn20_validate_apply_pipe_split_flags(
TIMING_3D_FORMAT_TOP_AND_BOTTOM ||
pipe->stream->timing.timing_3d_format ==
TIMING_3D_FORMAT_SIDE_BY_SIDE))
- split[i] = true;
+ split[i] = 2;
if (dc->debug.force_odm_combine & (1 << pipe->stream_res.tg->inst)) {
- split[i] = true;
- context->bw_ctx.dml.vba.ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_2to1;
+ split[i] = 2;
+ v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_2to1;
}
- context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_plane] =
- context->bw_ctx.dml.vba.ODMCombineEnablePerState[vlevel][pipe_plane];
-
- if (pipe->prev_odm_pipe && context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_plane] != dm_odm_combine_mode_disabled) {
- /*Already split odm pipe tree, don't try to split again*/
- split[i] = false;
- split[pipe->prev_odm_pipe->pipe_idx] = false;
- } else if (pipe->top_pipe && pipe->plane_state == pipe->top_pipe->plane_state
- && context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_plane] == dm_odm_combine_mode_disabled) {
- /*Already split mpc tree, don't try to split again, assumes only 2x mpc combine*/
- split[i] = false;
- split[pipe->top_pipe->pipe_idx] = false;
- } else if (pipe->prev_odm_pipe || (pipe->top_pipe && pipe->plane_state == pipe->top_pipe->plane_state)) {
- if (split[i] == false) {
- /*Exiting mpc/odm combine*/
- merge[i] = true;
- if (pipe->prev_odm_pipe) {
- ASSERT(0); /*should not actually happen yet*/
- merge[pipe->prev_odm_pipe->pipe_idx] = true;
- } else
- merge[pipe->top_pipe->pipe_idx] = true;
- } else {
- /*Transition from mpc combine to odm combine or vice versa*/
- ASSERT(0); /*should not actually happen yet*/
- split[i] = true;
- merge[i] = true;
+ v->ODMCombineEnabled[pipe_plane] =
+ v->ODMCombineEnablePerState[vlevel][pipe_plane];
+
+ if (v->ODMCombineEnabled[pipe_plane] == dm_odm_combine_mode_disabled) {
+ if (get_num_mpc_splits(pipe) == 1) {
+ /*If need split for mpc but 2 way split already*/
+ if (split[i] == 4)
+ split[i] = 2; /* 2 -> 4 MPC */
+ else if (split[i] == 2)
+ split[i] = 0; /* 2 -> 2 MPC */
+ else if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state)
+ merge[i] = true; /* 2 -> 1 MPC */
+ } else if (get_num_mpc_splits(pipe) == 3) {
+ /*If need split for mpc but 4 way split already*/
+ if (split[i] == 2 && ((pipe->top_pipe && !pipe->top_pipe->top_pipe)
+ || !pipe->bottom_pipe)) {
+ merge[i] = true; /* 4 -> 2 MPC */
+ } else if (split[i] == 0 && pipe->top_pipe &&
+ pipe->top_pipe->plane_state == pipe->plane_state)
+ merge[i] = true; /* 4 -> 1 MPC */
+ split[i] = 0;
+ } else if (get_num_odm_splits(pipe)) {
+ /* ODM -> MPC transition */
+ ASSERT(0); /* NOT expected yet */
if (pipe->prev_odm_pipe) {
- split[pipe->prev_odm_pipe->pipe_idx] = true;
- merge[pipe->prev_odm_pipe->pipe_idx] = true;
- } else {
- split[pipe->top_pipe->pipe_idx] = true;
- merge[pipe->top_pipe->pipe_idx] = true;
+ split[i] = 0;
+ merge[i] = true;
+ }
+ }
+ } else {
+ if (get_num_odm_splits(pipe) == 1) {
+ /*If need split for odm but 2 way split already*/
+ if (split[i] == 4)
+ split[i] = 2; /* 2 -> 4 ODM */
+ else if (split[i] == 2)
+ split[i] = 0; /* 2 -> 2 ODM */
+ else if (pipe->prev_odm_pipe) {
+ ASSERT(0); /* NOT expected yet */
+ merge[i] = true; /* exit ODM */
+ }
+ } else if (get_num_odm_splits(pipe) == 3) {
+ /*If need split for odm but 4 way split already*/
+ if (split[i] == 2 && ((pipe->prev_odm_pipe && !pipe->prev_odm_pipe->prev_odm_pipe)
+ || !pipe->next_odm_pipe)) {
+ ASSERT(0); /* NOT expected yet */
+ merge[i] = true; /* 4 -> 2 ODM */
+ } else if (split[i] == 0 && pipe->prev_odm_pipe) {
+ ASSERT(0); /* NOT expected yet */
+ merge[i] = true; /* exit ODM */
+ }
+ split[i] = 0;
+ } else if (get_num_mpc_splits(pipe)) {
+ /* MPC -> ODM transition */
+ ASSERT(0); /* NOT expected yet */
+ if (pipe->top_pipe && pipe->top_pipe->plane_state == pipe->plane_state) {
+ split[i] = 0;
+ merge[i] = true;
}
}
}
/* Adjust dppclk when split is forced, do not bother with dispclk */
- if (split[i] && context->bw_ctx.dml.vba.NoOfDPP[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx] == 1)
- context->bw_ctx.dml.vba.RequiredDPPCLK[vlevel][context->bw_ctx.dml.vba.maxMpcComb][pipe_idx] /= 2;
+ if (split[i] != 0 && v->NoOfDPP[vlevel][max_mpc_comb][pipe_idx] == 1)
+ v->RequiredDPPCLK[vlevel][max_mpc_comb][pipe_idx] /= 2;
pipe_idx++;
}
@@ -2685,7 +2757,7 @@ bool dcn20_fast_validate_bw(
int *vlevel_out)
{
bool out = false;
- bool split[MAX_PIPES] = { false };
+ int split[MAX_PIPES] = { 0 };
int pipe_cnt, i, pipe_idx, vlevel;
ASSERT(pipes);
@@ -2727,7 +2799,7 @@ bool dcn20_fast_validate_bw(
hsplit_pipe = dcn20_find_secondary_pipe(dc, &context->res_ctx, dc->res_pool, pipe);
ASSERT(hsplit_pipe);
if (!dcn20_split_stream_for_odm(
- &context->res_ctx, dc->res_pool,
+ dc, &context->res_ctx,
pipe, hsplit_pipe))
goto validate_fail;
pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
@@ -2745,7 +2817,7 @@ bool dcn20_fast_validate_bw(
&& context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx])
goto validate_fail;
- if (split[i]) {
+ if (split[i] == 2) {
if (!hsplit_pipe || hsplit_pipe->plane_state != pipe->plane_state) {
/* pipe not split previously needs split */
hsplit_pipe = dcn20_find_secondary_pipe(dc, &context->res_ctx, dc->res_pool, pipe);
@@ -2756,14 +2828,17 @@ bool dcn20_fast_validate_bw(
}
if (context->bw_ctx.dml.vba.ODMCombineEnabled[pipe_idx]) {
if (!dcn20_split_stream_for_odm(
- &context->res_ctx, dc->res_pool,
+ dc, &context->res_ctx,
pipe, hsplit_pipe))
goto validate_fail;
dcn20_build_mapped_resource(dc, context, pipe->stream);
- } else
+ } else {
dcn20_split_stream_for_mpc(
- &context->res_ctx, dc->res_pool,
- pipe, hsplit_pipe);
+ &context->res_ctx, dc->res_pool,
+ pipe, hsplit_pipe);
+ if (!resource_build_scaling_params(pipe) || !resource_build_scaling_params(hsplit_pipe))
+ goto validate_fail;
+ }
pipe_split_from[hsplit_pipe->pipe_idx] = pipe_idx;
}
} else if (hsplit_pipe && hsplit_pipe->plane_state == pipe->plane_state) {
@@ -3003,7 +3078,7 @@ void dcn20_calculate_dlg_params(
pipe_idx,
cstate_en,
context->bw_ctx.bw.dcn.clk.p_state_change_support,
- false, false, false);
+ false, false, true);
context->bw_ctx.dml.funcs.rq_dlg_get_rq_reg(&context->bw_ctx.dml,
&context->res_ctx.pipe_ctx[i].rq_regs,
@@ -3064,25 +3139,34 @@ validate_out:
return out;
}
-
-bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
- bool fast_validate)
+/*
+ * This must be noinline to ensure anything that deals with FP registers
+ * is contained within this call; previously our compiling with hard-float
+ * would result in fp instructions being emitted outside of the boundaries
+ * of the DC_FP_START/END macros, which makes sense as the compiler has no
+ * idea about what is wrapped and what is not
+ *
+ * This is largely just a workaround to avoid breakage introduced with 5.6,
+ * ideally all fp-using code should be moved into its own file, only that
+ * should be compiled with hard-float, and all code exported from there
+ * should be strictly wrapped with DC_FP_START/END
+ */
+static noinline bool dcn20_validate_bandwidth_fp(struct dc *dc,
+ struct dc_state *context, bool fast_validate)
{
bool voltage_supported = false;
bool full_pstate_supported = false;
bool dummy_pstate_supported = false;
double p_state_latency_us;
- DC_FP_START();
p_state_latency_us = context->bw_ctx.dml.soc.dram_clock_change_latency_us;
context->bw_ctx.dml.soc.disable_dram_clock_change_vactive_support =
dc->debug.disable_dram_clock_change_vactive_support;
+ context->bw_ctx.dml.soc.allow_dram_clock_one_display_vactive =
+ dc->debug.enable_dram_clock_change_one_display_vactive;
if (fast_validate) {
- voltage_supported = dcn20_validate_bandwidth_internal(dc, context, true);
-
- DC_FP_END();
- return voltage_supported;
+ return dcn20_validate_bandwidth_internal(dc, context, true);
}
// Best case, we support full UCLK switch latency
@@ -3111,7 +3195,15 @@ bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
restore_dml_state:
context->bw_ctx.dml.soc.dram_clock_change_latency_us = p_state_latency_us;
+ return voltage_supported;
+}
+bool dcn20_validate_bandwidth(struct dc *dc, struct dc_state *context,
+ bool fast_validate)
+{
+ bool voltage_supported = false;
+ DC_FP_START();
+ voltage_supported = dcn20_validate_bandwidth_fp(dc, context, fast_validate);
DC_FP_END();
return voltage_supported;
}
@@ -3170,8 +3262,6 @@ static struct dc_cap_funcs cap_funcs = {
enum dc_status dcn20_patch_unknown_plane_state(struct dc_plane_state *plane_state)
{
- enum dc_status result = DC_OK;
-
enum surface_pixel_format surf_pix_format = plane_state->format;
unsigned int bpp = resource_pixel_format_to_bpp(surf_pix_format);
@@ -3183,12 +3273,13 @@ enum dc_status dcn20_patch_unknown_plane_state(struct dc_plane_state *plane_stat
swizzle = DC_SW_64KB_S;
plane_state->tiling_info.gfx9.swizzle = swizzle;
- return result;
+ return DC_OK;
}
static struct resource_funcs dcn20_res_pool_funcs = {
.destroy = dcn20_destroy_resource_pool,
.link_enc_create = dcn20_link_encoder_create,
+ .panel_cntl_create = dcn20_panel_cntl_create,
.validate_bandwidth = dcn20_validate_bandwidth,
.acquire_idle_pipe_for_layer = dcn20_acquire_idle_pipe_for_layer,
.add_stream_to_ctx = dcn20_add_stream_to_ctx,
@@ -3427,6 +3518,13 @@ void dcn20_patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st
bb->dram_clock_change_latency_us =
dc->bb_overrides.dram_clock_change_latency_ns / 1000.0;
}
+
+ if ((int)(bb->dummy_pstate_latency_us * 1000)
+ != dc->bb_overrides.dummy_clock_change_latency_ns
+ && dc->bb_overrides.dummy_clock_change_latency_ns) {
+ bb->dummy_pstate_latency_us =
+ dc->bb_overrides.dummy_clock_change_latency_ns / 1000.0;
+ }
}
static struct _vcs_dpi_soc_bounding_box_st *get_asic_rev_soc_bb(
@@ -3662,9 +3760,42 @@ static bool dcn20_resource_construct(
dc->caps.max_slave_planes = 1;
dc->caps.post_blend_color_processing = true;
dc->caps.force_dp_tps4_for_cp2520 = true;
- dc->caps.hw_3d_lut = true;
dc->caps.extended_aux_timeout_support = true;
+ /* Color pipeline capabilities */
+ dc->caps.color.dpp.dcn_arch = 1;
+ dc->caps.color.dpp.input_lut_shared = 0;
+ dc->caps.color.dpp.icsc = 1;
+ dc->caps.color.dpp.dgam_ram = 1;
+ dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
+ dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
+ dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.dgam_rom_caps.pq = 0;
+ dc->caps.color.dpp.dgam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.post_csc = 0;
+ dc->caps.color.dpp.gamma_corr = 0;
+
+ dc->caps.color.dpp.hw_3d_lut = 1;
+ dc->caps.color.dpp.ogam_ram = 1;
+ // no OGAM ROM on DCN2, only MPC ROM
+ dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
+ dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
+ dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.ogam_rom_caps.pq = 0;
+ dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.ocsc = 0;
+
+ dc->caps.color.mpc.gamut_remap = 0;
+ dc->caps.color.mpc.num_3dluts = 0;
+ dc->caps.color.mpc.shared_3d_lut = 0;
+ dc->caps.color.mpc.ogam_ram = 1;
+ dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
+ dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.pq = 0;
+ dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
+ dc->caps.color.mpc.ocsc = 1;
+
if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV) {
dc->debug = debug_defaults_drv;
} else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
index 9d5bff9455fd..2c1959845c29 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
@@ -123,7 +123,7 @@ int dcn20_validate_apply_pipe_split_flags(
struct dc *dc,
struct dc_state *context,
int vlevel,
- bool *split,
+ int *split,
bool *merge);
void dcn20_release_dsc(struct resource_context *res_ctx,
const struct resource_pool *pool,
@@ -135,10 +135,14 @@ void dcn20_split_stream_for_mpc(
struct pipe_ctx *primary_pipe,
struct pipe_ctx *secondary_pipe);
bool dcn20_split_stream_for_odm(
+ const struct dc *dc,
struct resource_context *res_ctx,
- const struct resource_pool *pool,
struct pipe_ctx *prev_odm_pipe,
struct pipe_ctx *next_odm_pipe);
+void dcn20_acquire_dsc(const struct dc *dc,
+ struct resource_context *res_ctx,
+ struct display_stream_compressor **dsc,
+ int pipe_idx);
struct pipe_ctx *dcn20_find_secondary_pipe(struct dc *dc,
struct resource_context *res_ctx,
const struct resource_pool *pool,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
index 5e2d14b897af..129f0b62f751 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubbub.c
@@ -49,11 +49,6 @@
#define FN(reg_name, field_name) \
hubbub1->shifts->field_name, hubbub1->masks->field_name
-#ifdef NUM_VMID
-#undef NUM_VMID
-#endif
-#define NUM_VMID 16
-
static uint32_t convert_and_clamp(
uint32_t wm_ns,
uint32_t refclk_mhz,
@@ -138,7 +133,7 @@ int hubbub21_init_dchub(struct hubbub *hubbub,
dcn21_dchvm_init(hubbub);
- return NUM_VMID;
+ return hubbub1->num_vmid;
}
bool hubbub21_program_urgent_watermarks(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
index d285ba622d61..960a0716dde5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c
@@ -778,21 +778,28 @@ void dmcub_PLAT_54186_wa(struct hubp *hubp, struct surface_flip_registers *flip_
{
struct dc_dmub_srv *dmcub = hubp->ctx->dmub_srv;
struct dcn21_hubp *hubp21 = TO_DCN21_HUBP(hubp);
- struct dmub_rb_cmd_PLAT_54186_wa PLAT_54186_wa = { 0 };
-
- PLAT_54186_wa.header.type = DMUB_CMD__PLAT_54186_WA;
- PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS = flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS;
- PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_C = flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_C;
- PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH = flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH;
- PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C = flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C;
- PLAT_54186_wa.flip.flip_params.grph_stereo = flip_regs->grph_stereo;
- PLAT_54186_wa.flip.flip_params.hubp_inst = hubp->inst;
- PLAT_54186_wa.flip.flip_params.immediate = flip_regs->immediate;
- PLAT_54186_wa.flip.flip_params.tmz_surface = flip_regs->tmz_surface;
- PLAT_54186_wa.flip.flip_params.vmid = flip_regs->vmid;
+ union dmub_rb_cmd cmd;
+
+ memset(&cmd, 0, sizeof(cmd));
+
+ cmd.PLAT_54186_wa.header.type = DMUB_CMD__PLAT_54186_WA;
+ cmd.PLAT_54186_wa.header.payload_bytes = sizeof(cmd.PLAT_54186_wa.flip);
+ cmd.PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS =
+ flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS;
+ cmd.PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_C =
+ flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_C;
+ cmd.PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH =
+ flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH;
+ cmd.PLAT_54186_wa.flip.DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C =
+ flip_regs->DCSURF_PRIMARY_SURFACE_ADDRESS_HIGH_C;
+ cmd.PLAT_54186_wa.flip.flip_params.grph_stereo = flip_regs->grph_stereo;
+ cmd.PLAT_54186_wa.flip.flip_params.hubp_inst = hubp->inst;
+ cmd.PLAT_54186_wa.flip.flip_params.immediate = flip_regs->immediate;
+ cmd.PLAT_54186_wa.flip.flip_params.tmz_surface = flip_regs->tmz_surface;
+ cmd.PLAT_54186_wa.flip.flip_params.vmid = flip_regs->vmid;
PERF_TRACE(); // TODO: remove after performance is stable.
- dc_dmub_srv_cmd_queue(dmcub, &PLAT_54186_wa.header);
+ dc_dmub_srv_cmd_queue(dmcub, &cmd);
PERF_TRACE(); // TODO: remove after performance is stable.
dc_dmub_srv_cmd_execute(dmcub);
PERF_TRACE(); // TODO: remove after performance is stable.
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
index b9ff9767e08f..a5baef7e7a7d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_init.c
@@ -53,6 +53,7 @@ static const struct hw_sequencer_funcs dcn21_funcs = {
.disable_plane = dcn20_disable_plane,
.pipe_control_lock = dcn20_pipe_control_lock,
.interdependent_update_lock = dcn10_lock_all_pipes,
+ .cursor_lock = dcn10_cursor_lock,
.prepare_bandwidth = dcn20_prepare_bandwidth,
.optimize_bandwidth = dcn20_optimize_bandwidth,
.update_bandwidth = dcn20_update_bandwidth,
@@ -85,11 +86,10 @@ static const struct hw_sequencer_funcs dcn21_funcs = {
.optimize_pwr_state = dcn21_optimize_pwr_state,
.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
.get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync,
- .set_cursor_position = dcn10_set_cursor_position,
- .set_cursor_attribute = dcn10_set_cursor_attribute,
- .set_cursor_sdr_white_level = dcn10_set_cursor_sdr_white_level,
- .optimize_pwr_state = dcn21_optimize_pwr_state,
- .exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state,
+ .calc_vupdate_position = dcn10_calc_vupdate_position,
+ .power_down = dce110_power_down,
+ .set_backlight_level = dce110_set_backlight_level,
+ .set_abm_immediate_disable = dce110_set_abm_immediate_disable,
};
static const struct hwseq_private_funcs dcn21_private_funcs = {
@@ -105,8 +105,6 @@ static const struct hwseq_private_funcs dcn21_private_funcs = {
.reset_hw_ctx_wrap = dcn20_reset_hw_ctx_wrap,
.enable_stream_timing = dcn20_enable_stream_timing,
.edp_backlight_control = dce110_edp_backlight_control,
- .is_panel_backlight_on = dce110_is_panel_backlight_on,
- .is_panel_powered_on = dce110_is_panel_powered_on,
.disable_stream_gating = dcn20_disable_stream_gating,
.enable_stream_gating = dcn20_enable_stream_gating,
.setup_vupdate_interrupt = dcn20_setup_vupdate_interrupt,
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
index e45683ac871a..aa46c35b05a2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_link_encoder.c
@@ -203,29 +203,6 @@ static bool update_cfg_data(
return true;
}
-void dcn21_link_encoder_get_max_link_cap(struct link_encoder *enc,
- struct dc_link_settings *link_settings)
-{
- struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
- uint32_t value;
-
- REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DP4, &value);
-
- if (!value && link_settings->lane_count > LANE_COUNT_TWO)
- link_settings->lane_count = LANE_COUNT_TWO;
-}
-
-bool dcn21_link_encoder_is_in_alt_mode(struct link_encoder *enc)
-{
- struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
- uint32_t value;
-
- REG_GET(RDPCSTX_PHY_CNTL6, RDPCS_PHY_DPALT_DISABLE, &value);
-
- // if value == 1 alt mode is disabled, otherwise it is enabled
- return !value;
-}
-
bool dcn21_link_encoder_acquire_phy(struct link_encoder *enc)
{
struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
@@ -348,8 +325,8 @@ static const struct link_encoder_funcs dcn21_link_enc_funcs = {
.fec_set_ready = enc2_fec_set_ready,
.fec_is_active = enc2_fec_is_active,
.get_dig_frontend = dcn10_get_dig_frontend,
- .is_in_alt_mode = dcn21_link_encoder_is_in_alt_mode,
- .get_max_link_cap = dcn21_link_encoder_get_max_link_cap,
+ .is_in_alt_mode = dcn20_link_encoder_is_in_alt_mode,
+ .get_max_link_cap = dcn20_link_encoder_get_max_link_cap,
};
void dcn21_link_encoder_construct(
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
index b25484aa8222..f00a56835084 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -61,6 +61,7 @@
#include "dcn21_hubbub.h"
#include "dcn10/dcn10_resource.h"
#include "dce110/dce110_resource.h"
+#include "dce/dce_panel_cntl.h"
#include "dcn20/dcn20_dwb.h"
#include "dcn20/dcn20_mmhubbub.h"
@@ -85,6 +86,7 @@
#include "vm_helper.h"
#include "dcn20/dcn20_vmid.h"
#include "dce/dmub_psr.h"
+#include "dce/dmub_abm.h"
#define SOC_BOUNDING_BOX_VALID false
#define DC_LOGGER_INIT(logger)
@@ -284,7 +286,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
.dram_channel_width_bytes = 4,
.fabric_datapath_to_dcn_data_return_bytes = 32,
.dcn_downspread_percent = 0.5,
- .downspread_percent = 0.5,
+ .downspread_percent = 0.38,
.dram_page_open_time_ns = 50.0,
.dram_rw_turnaround_time_ns = 17.5,
.dram_return_buffer_per_channel_bytes = 8192,
@@ -340,6 +342,10 @@ struct _vcs_dpi_soc_bounding_box_st dcn2_1_soc = {
.block ## _ ## reg_name[id] = BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
mm ## block ## id ## _ ## reg_name
+#define VUPDATE_SRII(reg_name, block, id)\
+ .reg_name[id] = BASE(mm ## reg_name ## _ ## block ## id ## _BASE_IDX) + \
+ mm ## reg_name ## _ ## block ## id
+
/* NBIO */
#define NBIO_BASE_INNER(seg) \
NBIF0_BASE__INST0_SEG ## seg
@@ -799,7 +805,7 @@ static const struct resource_caps res_cap_rn = {
.num_pll = 5, // maybe 3 because the last two used for USB-c
.num_dwb = 1,
.num_ddc = 5,
- .num_vmid = 1,
+ .num_vmid = 16,
.num_dsc = 3,
};
@@ -991,9 +997,12 @@ static void dcn21_resource_destruct(struct dcn21_resource_pool *pool)
pool->base.dp_clock_source = NULL;
}
-
- if (pool->base.abm != NULL)
- dce_abm_destroy(&pool->base.abm);
+ if (pool->base.abm != NULL) {
+ if (pool->base.abm->ctx->dc->config.disable_dmcu)
+ dmub_abm_destroy(&pool->base.abm);
+ else
+ dce_abm_destroy(&pool->base.abm);
+ }
if (pool->base.dmcu != NULL)
dce_dmcu_destroy(&pool->base.dmcu);
@@ -1286,6 +1295,7 @@ static struct hubbub *dcn21_hubbub_create(struct dc_context *ctx)
vmid->shifts = &vmid_shifts;
vmid->masks = &vmid_masks;
}
+ hubbub->num_vmid = res_cap_rn.num_vmid;
return &hubbub->base;
}
@@ -1374,64 +1384,50 @@ static void update_bw_bounding_box(struct dc *dc, struct clk_bw_params *bw_param
{
struct dcn21_resource_pool *pool = TO_DCN21_RES_POOL(dc->res_pool);
struct clk_limit_table *clk_table = &bw_params->clk_table;
- unsigned int i, j, k;
- int closest_clk_lvl;
+ struct _vcs_dpi_voltage_scaling_st clock_limits[DC__VOLTAGE_STATES];
+ unsigned int i, closest_clk_lvl;
+ int j;
// Default clock levels are used for diags, which may lead to overclocking.
- if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment) && !IS_DIAG_DC(dc->ctx->dce_environment)) {
+ if (!IS_DIAG_DC(dc->ctx->dce_environment)) {
dcn2_1_ip.max_num_otg = pool->base.res_cap->num_timing_generator;
dcn2_1_ip.max_num_dpp = pool->base.pipe_count;
dcn2_1_soc.num_chans = bw_params->num_channels;
- /* Vmin: leave lowest DCN clocks, override with dcfclk, fclk, memclk from fuse */
- dcn2_1_soc.clock_limits[0].state = 0;
- dcn2_1_soc.clock_limits[0].dcfclk_mhz = clk_table->entries[0].dcfclk_mhz;
- dcn2_1_soc.clock_limits[0].fabricclk_mhz = clk_table->entries[0].fclk_mhz;
- dcn2_1_soc.clock_limits[0].socclk_mhz = clk_table->entries[0].socclk_mhz;
- dcn2_1_soc.clock_limits[0].dram_speed_mts = clk_table->entries[0].memclk_mhz * 2;
-
- /*
- * Other levels: find closest DCN clocks that fit the given clock limit using dcfclk
- * as indicator
- */
-
- closest_clk_lvl = -1;
- /* index currently being filled */
- k = 1;
- for (i = 1; i < clk_table->num_entries; i++) {
- /* loop backwards, skip duplicate state*/
- for (j = dcn2_1_soc.num_states - 1; j >= k; j--) {
+ ASSERT(clk_table->num_entries);
+ for (i = 0; i < clk_table->num_entries; i++) {
+ /* loop backwards*/
+ for (closest_clk_lvl = 0, j = dcn2_1_soc.num_states - 1; j >= 0; j--) {
if ((unsigned int) dcn2_1_soc.clock_limits[j].dcfclk_mhz <= clk_table->entries[i].dcfclk_mhz) {
closest_clk_lvl = j;
break;
}
}
- /* if found a lvl that fits, use the DCN clks from it, if not, go to next clk limit*/
- if (closest_clk_lvl != -1) {
- dcn2_1_soc.clock_limits[k].state = i;
- dcn2_1_soc.clock_limits[k].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
- dcn2_1_soc.clock_limits[k].fabricclk_mhz = clk_table->entries[i].fclk_mhz;
- dcn2_1_soc.clock_limits[k].socclk_mhz = clk_table->entries[i].socclk_mhz;
- dcn2_1_soc.clock_limits[k].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2;
-
- dcn2_1_soc.clock_limits[k].dispclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
- dcn2_1_soc.clock_limits[k].dppclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
- dcn2_1_soc.clock_limits[k].dram_bw_per_chan_gbps = dcn2_1_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
- dcn2_1_soc.clock_limits[k].dscclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
- dcn2_1_soc.clock_limits[k].dtbclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
- dcn2_1_soc.clock_limits[k].phyclk_d18_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
- dcn2_1_soc.clock_limits[k].phyclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
- k++;
- }
+ clock_limits[i].state = i;
+ clock_limits[i].dcfclk_mhz = clk_table->entries[i].dcfclk_mhz;
+ clock_limits[i].fabricclk_mhz = clk_table->entries[i].fclk_mhz;
+ clock_limits[i].socclk_mhz = clk_table->entries[i].socclk_mhz;
+ clock_limits[i].dram_speed_mts = clk_table->entries[i].memclk_mhz * 2;
+
+ clock_limits[i].dispclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dispclk_mhz;
+ clock_limits[i].dppclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dppclk_mhz;
+ clock_limits[i].dram_bw_per_chan_gbps = dcn2_1_soc.clock_limits[closest_clk_lvl].dram_bw_per_chan_gbps;
+ clock_limits[i].dscclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dscclk_mhz;
+ clock_limits[i].dtbclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].dtbclk_mhz;
+ clock_limits[i].phyclk_d18_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_d18_mhz;
+ clock_limits[i].phyclk_mhz = dcn2_1_soc.clock_limits[closest_clk_lvl].phyclk_mhz;
+ }
+ for (i = 0; i < clk_table->num_entries; i++)
+ dcn2_1_soc.clock_limits[i] = clock_limits[i];
+ if (clk_table->num_entries) {
+ dcn2_1_soc.num_states = clk_table->num_entries;
+ /* duplicate last level */
+ dcn2_1_soc.clock_limits[dcn2_1_soc.num_states] = dcn2_1_soc.clock_limits[dcn2_1_soc.num_states - 1];
+ dcn2_1_soc.clock_limits[dcn2_1_soc.num_states].state = dcn2_1_soc.num_states;
}
- dcn2_1_soc.num_states = k;
}
- /* duplicate last level */
- dcn2_1_soc.clock_limits[dcn2_1_soc.num_states] = dcn2_1_soc.clock_limits[dcn2_1_soc.num_states - 1];
- dcn2_1_soc.clock_limits[dcn2_1_soc.num_states].state = dcn2_1_soc.num_states;
-
dml_init_instance(&dc->dml, &dcn2_1_soc, &dcn2_1_ip, DML_PROJECT_DCN21);
}
@@ -1602,6 +1598,18 @@ static const struct dcn10_link_enc_registers link_enc_regs[] = {
link_regs(4, E),
};
+static const struct dce_panel_cntl_registers panel_cntl_regs[] = {
+ { DCN_PANEL_CNTL_REG_LIST() }
+};
+
+static const struct dce_panel_cntl_shift panel_cntl_shift = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(__SHIFT)
+};
+
+static const struct dce_panel_cntl_mask panel_cntl_mask = {
+ DCE_PANEL_CNTL_MASK_SH_LIST(_MASK)
+};
+
#define aux_regs(id)\
[id] = {\
DCN2_AUX_REG_LIST(id)\
@@ -1687,6 +1695,24 @@ static struct link_encoder *dcn21_link_encoder_create(
return &enc21->enc10.base;
}
+
+static struct panel_cntl *dcn21_panel_cntl_create(const struct panel_cntl_init_data *init_data)
+{
+ struct dce_panel_cntl *panel_cntl =
+ kzalloc(sizeof(struct dce_panel_cntl), GFP_KERNEL);
+
+ if (!panel_cntl)
+ return NULL;
+
+ dce_panel_cntl_construct(panel_cntl,
+ init_data,
+ &panel_cntl_regs[init_data->inst],
+ &panel_cntl_shift,
+ &panel_cntl_mask);
+
+ return &panel_cntl->base;
+}
+
#define CTX ctx
#define REG(reg_name) \
@@ -1705,12 +1731,8 @@ static int dcn21_populate_dml_pipes_from_context(
{
uint32_t pipe_cnt = dcn20_populate_dml_pipes_from_context(dc, context, pipes);
int i;
- struct resource_context *res_ctx = &context->res_ctx;
-
- for (i = 0; i < dc->res_pool->pipe_count; i++) {
- if (!res_ctx->pipe_ctx[i].stream)
- continue;
+ for (i = 0; i < pipe_cnt; i++) {
pipes[i].pipe.src.hostvm = 1;
pipes[i].pipe.src.gpuvm = 1;
@@ -1735,6 +1757,7 @@ enum dc_status dcn21_patch_unknown_plane_state(struct dc_plane_state *plane_stat
static struct resource_funcs dcn21_res_pool_funcs = {
.destroy = dcn21_destroy_resource_pool,
.link_enc_create = dcn21_link_encoder_create,
+ .panel_cntl_create = dcn21_panel_cntl_create,
.validate_bandwidth = dcn21_validate_bandwidth,
.populate_dml_pipes = dcn21_populate_dml_pipes_from_context,
.add_stream_to_ctx = dcn20_add_stream_to_ctx,
@@ -1781,7 +1804,6 @@ static bool dcn21_resource_construct(
dc->caps.i2c_speed_in_khz = 100;
dc->caps.max_cursor_size = 256;
dc->caps.dmdata_alloc_size = 2048;
- dc->caps.hw_3d_lut = true;
dc->caps.max_slave_planes = 1;
dc->caps.post_blend_color_processing = true;
@@ -1790,6 +1812,40 @@ static bool dcn21_resource_construct(
dc->caps.dmcub_support = true;
dc->caps.is_apu = true;
+ /* Color pipeline capabilities */
+ dc->caps.color.dpp.dcn_arch = 1;
+ dc->caps.color.dpp.input_lut_shared = 0;
+ dc->caps.color.dpp.icsc = 1;
+ dc->caps.color.dpp.dgam_ram = 1;
+ dc->caps.color.dpp.dgam_rom_caps.srgb = 1;
+ dc->caps.color.dpp.dgam_rom_caps.bt2020 = 1;
+ dc->caps.color.dpp.dgam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.dgam_rom_caps.pq = 0;
+ dc->caps.color.dpp.dgam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.post_csc = 0;
+ dc->caps.color.dpp.gamma_corr = 0;
+
+ dc->caps.color.dpp.hw_3d_lut = 1;
+ dc->caps.color.dpp.ogam_ram = 1;
+ // no OGAM ROM on DCN2
+ dc->caps.color.dpp.ogam_rom_caps.srgb = 0;
+ dc->caps.color.dpp.ogam_rom_caps.bt2020 = 0;
+ dc->caps.color.dpp.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.dpp.ogam_rom_caps.pq = 0;
+ dc->caps.color.dpp.ogam_rom_caps.hlg = 0;
+ dc->caps.color.dpp.ocsc = 0;
+
+ dc->caps.color.mpc.gamut_remap = 0;
+ dc->caps.color.mpc.num_3dluts = 0;
+ dc->caps.color.mpc.shared_3d_lut = 0;
+ dc->caps.color.mpc.ogam_ram = 1;
+ dc->caps.color.mpc.ogam_rom_caps.srgb = 0;
+ dc->caps.color.mpc.ogam_rom_caps.bt2020 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.gamma2_2 = 0;
+ dc->caps.color.mpc.ogam_rom_caps.pq = 0;
+ dc->caps.color.mpc.ogam_rom_caps.hlg = 0;
+ dc->caps.color.mpc.ocsc = 1;
+
if (dc->ctx->dce_environment == DCE_ENV_PRODUCTION_DRV)
dc->debug = debug_defaults_drv;
else if (dc->ctx->dce_environment == DCE_ENV_FPGA_MAXIMUS) {
@@ -1842,17 +1898,19 @@ static bool dcn21_resource_construct(
goto create_fail;
}
- pool->base.dmcu = dcn21_dmcu_create(ctx,
- &dmcu_regs,
- &dmcu_shift,
- &dmcu_mask);
- if (pool->base.dmcu == NULL) {
- dm_error("DC: failed to create dmcu!\n");
- BREAK_TO_DEBUGGER();
- goto create_fail;
+ if (!dc->config.disable_dmcu) {
+ pool->base.dmcu = dcn21_dmcu_create(ctx,
+ &dmcu_regs,
+ &dmcu_shift,
+ &dmcu_mask);
+ if (pool->base.dmcu == NULL) {
+ dm_error("DC: failed to create dmcu!\n");
+ BREAK_TO_DEBUGGER();
+ goto create_fail;
+ }
}
- if (dc->debug.disable_dmcu) {
+ if (dc->config.disable_dmcu) {
pool->base.psr = dmub_psr_create(ctx);
if (pool->base.psr == NULL) {
@@ -1862,15 +1920,16 @@ static bool dcn21_resource_construct(
}
}
- pool->base.abm = dce_abm_create(ctx,
+ if (dc->config.disable_dmcu)
+ pool->base.abm = dmub_abm_create(ctx,
+ &abm_regs,
+ &abm_shift,
+ &abm_mask);
+ else
+ pool->base.abm = dce_abm_create(ctx,
&abm_regs,
&abm_shift,
&abm_mask);
- if (pool->base.abm == NULL) {
- dm_error("DC: failed to create abm!\n");
- BREAK_TO_DEBUGGER();
- goto create_fail;
- }
pool->base.pp_smu = dcn21_pp_smu_create(ctx);
diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile
index 7ee8b8460a9b..e34c3376efc1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile
@@ -63,10 +63,8 @@ CFLAGS_$(AMDDALPATH)/dc/dml/dcn21/display_rq_dlg_calc_21.o := $(dml_ccflags)
endif
CFLAGS_$(AMDDALPATH)/dc/dml/dml1_display_rq_dlg_calc.o := $(dml_ccflags)
CFLAGS_$(AMDDALPATH)/dc/dml/display_rq_dlg_helpers.o := $(dml_ccflags)
-CFLAGS_$(AMDDALPATH)/dc/dml/dml_common_defs.o := $(dml_ccflags)
DML = display_mode_lib.o display_rq_dlg_helpers.o dml1_display_rq_dlg_calc.o \
- dml_common_defs.o
ifdef CONFIG_DRM_AMD_DC_DCN
DML += display_mode_vba.o dcn20/display_rq_dlg_calc_20.o dcn20/display_mode_vba_20.o
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
index 5bbbafacc720..80170f9721ce 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_mode_vba_20v2.c
@@ -2599,21 +2599,44 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP
}
}
+ {
+ float SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank = 999999;
+ int PlaneWithMinActiveDRAMClockChangeMargin = -1;
+
mode_lib->vba.MinActiveDRAMClockChangeMargin = 999999;
for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
if (mode_lib->vba.ActiveDRAMClockChangeLatencyMargin[k]
< mode_lib->vba.MinActiveDRAMClockChangeMargin) {
mode_lib->vba.MinActiveDRAMClockChangeMargin =
mode_lib->vba.ActiveDRAMClockChangeLatencyMargin[k];
+ if (mode_lib->vba.BlendingAndTiming[k] == k) {
+ PlaneWithMinActiveDRAMClockChangeMargin = k;
+ } else {
+ for (j = 0; j < mode_lib->vba.NumberOfActivePlanes; ++j) {
+ if (mode_lib->vba.BlendingAndTiming[k] == j) {
+ PlaneWithMinActiveDRAMClockChangeMargin = j;
+ }
+ }
+ }
}
}
mode_lib->vba.MinActiveDRAMClockChangeLatencySupported =
mode_lib->vba.MinActiveDRAMClockChangeMargin
+ mode_lib->vba.DRAMClockChangeLatency;
+ for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
+ if (!((k == PlaneWithMinActiveDRAMClockChangeMargin) && (mode_lib->vba.BlendingAndTiming[k] == k))
+ && !(mode_lib->vba.BlendingAndTiming[k] == PlaneWithMinActiveDRAMClockChangeMargin)
+ && mode_lib->vba.ActiveDRAMClockChangeLatencyMargin[k]
+ < SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank) {
+ SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank =
+ mode_lib->vba.ActiveDRAMClockChangeLatencyMargin[k];
+ }
+ }
if (mode_lib->vba.DRAMClockChangeSupportsVActive &&
mode_lib->vba.MinActiveDRAMClockChangeMargin > 60) {
+ mode_lib->vba.DRAMClockChangeWatermark += 25;
for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
if (mode_lib->vba.PrefetchMode[mode_lib->vba.VoltageLevel][mode_lib->vba.maxMpcComb] == 0) {
@@ -2622,13 +2645,17 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP
mode_lib->vba.MinTTUVBlank[k] += 25;
}
}
- mode_lib->vba.DRAMClockChangeWatermark += 25;
+
mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive;
} else if (mode_lib->vba.DummyPStateCheck &&
mode_lib->vba.MinActiveDRAMClockChangeMargin > 0) {
mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vactive;
} else {
- if (mode_lib->vba.SynchronizedVBlank || mode_lib->vba.NumberOfActivePlanes == 1) {
+ if ((mode_lib->vba.SynchronizedVBlank
+ || mode_lib->vba.NumberOfActivePlanes == 1
+ || (SecondMinActiveDRAMClockChangeMarginOneDisplayInVBLank > 0 &&
+ mode_lib->vba.AllowDramClockChangeOneDisplayVactive))
+ && mode_lib->vba.PrefetchMode[mode_lib->vba.VoltageLevel][mode_lib->vba.maxMpcComb] == 0) {
mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_vblank;
for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
if (!mode_lib->vba.AllowDRAMClockChangeDuringVBlank[k]) {
@@ -2640,6 +2667,7 @@ static void dml20v2_DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndP
mode_lib->vba.DRAMClockChangeSupport[0][0] = dm_dram_clock_change_unsupported;
}
}
+ }
for (k = 0; k <= mode_lib->vba.soc.num_states; k++)
for (j = 0; j < 2; j++)
mode_lib->vba.DRAMClockChangeSupport[k][j] = mode_lib->vba.DRAMClockChangeSupport[0][0];
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
index 8c86b63ddf07..1e557ddcb638 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
@@ -26,7 +26,6 @@
#ifndef __DML20_DISPLAY_RQ_DLG_CALC_H__
#define __DML20_DISPLAY_RQ_DLG_CALC_H__
-#include "../dml_common_defs.h"
#include "../display_rq_dlg_helpers.h"
struct display_mode_lib;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
index 0378406bf7e7..0d53e871a9d1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
@@ -26,7 +26,6 @@
#ifndef __DML20V2_DISPLAY_RQ_DLG_CALC_H__
#define __DML20V2_DISPLAY_RQ_DLG_CALC_H__
-#include "../dml_common_defs.h"
#include "../display_rq_dlg_helpers.h"
struct display_mode_lib;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
index e6617c958bb8..a576eed94d9b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_mode_vba_21.c
@@ -3190,6 +3190,7 @@ static void CalculateFlipSchedule(
double TimeForFetchingRowInVBlankImmediateFlip;
double ImmediateFlipBW;
double HostVMInefficiencyFactor;
+ double VRatioClamped;
if (GPUVMEnable == true && HostVMEnable == true) {
HostVMInefficiencyFactor =
@@ -3222,31 +3223,32 @@ static void CalculateFlipSchedule(
*DestinationLinesToRequestRowInImmediateFlip = dml_ceil(4.0 * (TimeForFetchingRowInVBlankImmediateFlip / LineTime), 1) / 4.0;
*final_flip_bw = dml_max(PDEAndMetaPTEBytesPerFrame * HostVMInefficiencyFactor / (*DestinationLinesToRequestVMInImmediateFlip * LineTime), (MetaRowBytes + DPTEBytesPerRow) * HostVMInefficiencyFactor / (*DestinationLinesToRequestRowInImmediateFlip * LineTime));
+ VRatioClamped = (VRatio < 1.0) ? 1.0 : VRatio;
if (SourcePixelFormat == dm_420_8 || SourcePixelFormat == dm_420_10) {
if (GPUVMEnable == true && DCCEnable != true) {
min_row_time = dml_min(
- dpte_row_height * LineTime / VRatio,
- dpte_row_height_chroma * LineTime / (VRatio / 2));
+ dpte_row_height * LineTime / VRatioClamped,
+ dpte_row_height_chroma * LineTime / (VRatioClamped / 2));
} else if (GPUVMEnable != true && DCCEnable == true) {
min_row_time = dml_min(
- meta_row_height * LineTime / VRatio,
- meta_row_height_chroma * LineTime / (VRatio / 2));
+ meta_row_height * LineTime / VRatioClamped,
+ meta_row_height_chroma * LineTime / (VRatioClamped / 2));
} else {
min_row_time = dml_min4(
- dpte_row_height * LineTime / VRatio,
- meta_row_height * LineTime / VRatio,
- dpte_row_height_chroma * LineTime / (VRatio / 2),
- meta_row_height_chroma * LineTime / (VRatio / 2));
+ dpte_row_height * LineTime / VRatioClamped,
+ meta_row_height * LineTime / VRatioClamped,
+ dpte_row_height_chroma * LineTime / (VRatioClamped / 2),
+ meta_row_height_chroma * LineTime / (VRatioClamped / 2));
}
} else {
if (GPUVMEnable == true && DCCEnable != true) {
- min_row_time = dpte_row_height * LineTime / VRatio;
+ min_row_time = dpte_row_height * LineTime / VRatioClamped;
} else if (GPUVMEnable != true && DCCEnable == true) {
- min_row_time = meta_row_height * LineTime / VRatio;
+ min_row_time = meta_row_height * LineTime / VRatioClamped;
} else {
min_row_time = dml_min(
- dpte_row_height * LineTime / VRatio,
- meta_row_height * LineTime / VRatio);
+ dpte_row_height * LineTime / VRatioClamped,
+ meta_row_height * LineTime / VRatioClamped);
}
}
@@ -5944,7 +5946,7 @@ static void CalculateMetaAndPTETimes(
* PixelPTEReqHeightY[k];
}
dpte_groups_per_row_luma_ub = dml_ceil(
- dpte_row_width_luma_ub[k] / dpte_group_width_luma,
+ (float) dpte_row_width_luma_ub[k] / dpte_group_width_luma,
1);
time_per_pte_group_nom_luma[k] = DST_Y_PER_PTE_ROW_NOM_L[k] * HTotal[k]
/ PixelClock[k] / dpte_groups_per_row_luma_ub;
@@ -5968,7 +5970,7 @@ static void CalculateMetaAndPTETimes(
* PixelPTEReqHeightC[k];
}
dpte_groups_per_row_chroma_ub = dml_ceil(
- dpte_row_width_chroma_ub[k]
+ (float) dpte_row_width_chroma_ub[k]
/ dpte_group_width_chroma,
1);
time_per_pte_group_nom_chroma[k] = DST_Y_PER_PTE_ROW_NOM_C[k]
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
index a38baa73d484..90a5fefef05b 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
@@ -1200,7 +1200,7 @@ static void dml_rq_dlg_get_dlg_params(
min_hratio_fact_l = 1.0;
min_hratio_fact_c = 1.0;
- if (htaps_l <= 1)
+ if (hratio_l <= 1)
min_hratio_fact_l = 2.0;
else if (htaps_l <= 6) {
if ((hratio_l * 2.0) > 4.0)
@@ -1216,7 +1216,7 @@ static void dml_rq_dlg_get_dlg_params(
hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz;
- if (htaps_c <= 1)
+ if (hratio_c <= 1)
min_hratio_fact_c = 2.0;
else if (htaps_c <= 6) {
if ((hratio_c * 2.0) > 4.0)
@@ -1490,19 +1490,30 @@ static void dml_rq_dlg_get_dlg_params(
disp_dlg_regs->refcyc_per_pte_group_vblank_l =
(unsigned int) (dst_y_per_row_vblank * (double) htotal
* ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l);
- ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13));
+ if ((refclk_freq_in_mhz / ref_freq_to_pix_freq < 28) &&
+ disp_dlg_regs->refcyc_per_pte_group_vblank_l >= (unsigned int)dml_pow(2, 13))
+ disp_dlg_regs->refcyc_per_pte_group_vblank_l = (1 << 13) - 1;
+ else
+ ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int)dml_pow(2, 13));
if (dual_plane) {
disp_dlg_regs->refcyc_per_pte_group_vblank_c = (unsigned int) (dst_y_per_row_vblank
* (double) htotal * ref_freq_to_pix_freq
/ (double) dpte_groups_per_row_ub_c);
- ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
+ if ((refclk_freq_in_mhz / ref_freq_to_pix_freq < 28) &&
+ disp_dlg_regs->refcyc_per_pte_group_vblank_c >= (unsigned int)dml_pow(2, 13))
+ disp_dlg_regs->refcyc_per_pte_group_vblank_c = (1 << 13) - 1;
+ else
+ ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c
< (unsigned int)dml_pow(2, 13));
}
- disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
+ if (src->dcc)
+ disp_dlg_regs->refcyc_per_meta_chunk_vblank_l =
(unsigned int) (dst_y_per_row_vblank * (double) htotal
* ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l);
+ else
+ disp_dlg_regs->refcyc_per_meta_chunk_vblank_l = 0;
ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int)dml_pow(2, 13));
disp_dlg_regs->refcyc_per_meta_chunk_vblank_c =
@@ -1522,8 +1533,8 @@ static void dml_rq_dlg_get_dlg_params(
disp_dlg_regs->refcyc_per_vm_group_vblank = get_refcyc_per_vm_group_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
disp_dlg_regs->refcyc_per_vm_group_flip = get_refcyc_per_vm_group_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
- disp_dlg_regs->refcyc_per_vm_req_vblank = get_refcyc_per_vm_req_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
- disp_dlg_regs->refcyc_per_vm_req_flip = get_refcyc_per_vm_req_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz;
+ disp_dlg_regs->refcyc_per_vm_req_vblank = get_refcyc_per_vm_req_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
+ disp_dlg_regs->refcyc_per_vm_req_flip = get_refcyc_per_vm_req_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx) * refclk_freq_in_mhz * dml_pow(2, 10);
// Clamp to max for now
if (disp_dlg_regs->refcyc_per_vm_group_vblank >= (unsigned int)dml_pow(2, 23))
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
index 83e95f8cbff2..e8f7785e3fc6 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
@@ -26,7 +26,7 @@
#ifndef __DML21_DISPLAY_RQ_DLG_CALC_H__
#define __DML21_DISPLAY_RQ_DLG_CALC_H__
-#include "../dml_common_defs.h"
+#include "dm_services.h"
#include "../display_rq_dlg_helpers.h"
struct display_mode_lib;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
index cf2758ca5b02..c77c3d827e4a 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h
@@ -25,8 +25,10 @@
#ifndef __DISPLAY_MODE_LIB_H__
#define __DISPLAY_MODE_LIB_H__
-
-#include "dml_common_defs.h"
+#include "dm_services.h"
+#include "dc_features.h"
+#include "display_mode_structs.h"
+#include "display_mode_enums.h"
#include "display_mode_vba.h"
enum dml_project {
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
index 687010c17324..439ffd04be34 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_structs.h
@@ -118,9 +118,11 @@ struct _vcs_dpi_soc_bounding_box_st {
double urgent_latency_adjustment_fabric_clock_component_us;
double urgent_latency_adjustment_fabric_clock_reference_mhz;
bool disable_dram_clock_change_vactive_support;
+ bool allow_dram_clock_one_display_vactive;
};
struct _vcs_dpi_ip_params_st {
+ bool use_min_dcfclk;
bool gpuvm_enable;
bool hostvm_enable;
unsigned int gpuvm_max_page_table_levels;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
index 6b525c52124c..b19988f54721 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.c
@@ -224,6 +224,7 @@ static void fetch_socbb_params(struct display_mode_lib *mode_lib)
mode_lib->vba.DummyPStateCheck = soc->dram_clock_change_latency_us == soc->dummy_pstate_latency_us;
mode_lib->vba.DRAMClockChangeSupportsVActive = !soc->disable_dram_clock_change_vactive_support ||
mode_lib->vba.DummyPStateCheck;
+ mode_lib->vba.AllowDramClockChangeOneDisplayVactive = soc->allow_dram_clock_one_display_vactive;
mode_lib->vba.Downspreading = soc->downspread_percent;
mode_lib->vba.DRAMChannelWidth = soc->dram_channel_width_bytes; // new!
@@ -280,6 +281,7 @@ static void fetch_ip_params(struct display_mode_lib *mode_lib)
ip_params_st *ip = &mode_lib->vba.ip;
// IP Parameters
+ mode_lib->vba.UseMinimumRequiredDCFCLK = ip->use_min_dcfclk;
mode_lib->vba.MaxNumDPP = ip->max_num_dpp;
mode_lib->vba.MaxNumOTG = ip->max_num_otg;
mode_lib->vba.MaxNumHDMIFRLOutputs = ip->max_num_hdmi_frl_outputs;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
index 5d82fc5a7ed7..3f559e725ab1 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h
@@ -27,8 +27,6 @@
#ifndef __DML2_DISPLAY_MODE_VBA_H__
#define __DML2_DISPLAY_MODE_VBA_H__
-#include "dml_common_defs.h"
-
struct display_mode_lib;
void ModeSupportAndSystemConfiguration(struct display_mode_lib *mode_lib);
@@ -898,6 +896,8 @@ struct vba_vars_st {
bool dummystring[DC__NUM_DPP__MAX];
double BPP;
enum odm_combine_policy ODMCombinePolicy;
+ bool UseMinimumRequiredDCFCLK;
+ bool AllowDramClockChangeOneDisplayVactive;
};
bool CalculateMinAndMaxPrefetchMode(
diff --git a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
index 1f24db830737..2555ef0358c2 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/display_rq_dlg_helpers.h
@@ -26,7 +26,6 @@
#ifndef __DISPLAY_RQ_DLG_HELPERS_H__
#define __DISPLAY_RQ_DLG_HELPERS_H__
-#include "dml_common_defs.h"
#include "display_mode_lib.h"
/* Function: Printer functions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.h b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.h
index 304164986bd8..9c06913ad767 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.h
@@ -26,8 +26,6 @@
#ifndef __DISPLAY_RQ_DLG_CALC_H__
#define __DISPLAY_RQ_DLG_CALC_H__
-#include "dml_common_defs.h"
-
struct display_mode_lib;
#include "display_rq_dlg_helpers.h"
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h b/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h
index ded71ea82413..02e06c9b3230 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dml_inline_defs.h
@@ -26,7 +26,6 @@
#ifndef __DML_INLINE_DEFS_H__
#define __DML_INLINE_DEFS_H__
-#include "dml_common_defs.h"
#include "dcn_calc_math.h"
#include "dml_logger.h"
@@ -75,6 +74,18 @@ static inline double dml_floor(double a, double granularity)
return (double) dcn_bw_floor2(a, granularity);
}
+static inline double dml_round(double a)
+{
+ double round_pt = 0.5;
+ double ceil = dml_ceil(a, 1);
+ double floor = dml_floor(a, 1);
+
+ if (a - floor >= round_pt)
+ return ceil;
+ else
+ return floor;
+}
+
static inline int dml_log2(double x)
{
return dml_round((double)dcn_bw_log(x, 2));
@@ -112,7 +123,7 @@ static inline double dml_log(double x, double base)
static inline unsigned int dml_round_to_multiple(unsigned int num,
unsigned int multiple,
- bool up)
+ unsigned char up)
{
unsigned int remainder;
diff --git a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
index 87d682d25278..0ea6662a1563 100644
--- a/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
+++ b/drivers/gpu/drm/amd/display/dc/dsc/dc_dsc.c
@@ -129,7 +129,7 @@ static bool dsc_line_buff_depth_from_dpcd(int dpcd_line_buff_bit_depth, int *lin
static bool dsc_throughput_from_dpcd(int dpcd_throughput, int *throughput)
{
switch (dpcd_throughput) {
- case DP_DSC_THROUGHPUT_MODE_0_UPSUPPORTED:
+ case DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED:
*throughput = 0;
break;
case DP_DSC_THROUGHPUT_MODE_0_170:
diff --git a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
index 6f730b5bfe42..5e384a8a83dc 100644
--- a/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
+++ b/drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
@@ -322,3 +322,92 @@ static const struct protection_properties dp_11_protection = {
.process_transaction = dp_11_process_transaction
};
+static const struct protection_properties *get_protection_properties_by_signal(
+ struct dc_link *link,
+ enum signal_type st,
+ enum hdcp_version version)
+{
+ switch (version) {
+ case HDCP_VERSION_14:
+ switch (st) {
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ return &hdmi_14_protection;
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ if (link &&
+ (link->dpcd_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER ||
+ link->dpcd_caps.dongle_caps.dongle_type == DISPLAY_DONGLE_DP_VGA_CONVERTER)) {
+ return &non_supported_protection;
+ }
+ return &dp_11_protection;
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ case SIGNAL_TYPE_EDP:
+ return &dp_11_protection;
+ default:
+ return &non_supported_protection;
+ }
+ break;
+ case HDCP_VERSION_22:
+ switch (st) {
+ case SIGNAL_TYPE_DVI_SINGLE_LINK:
+ case SIGNAL_TYPE_DVI_DUAL_LINK:
+ case SIGNAL_TYPE_HDMI_TYPE_A:
+ return &hdmi_14_protection; //todo version2.2
+ case SIGNAL_TYPE_DISPLAY_PORT:
+ case SIGNAL_TYPE_DISPLAY_PORT_MST:
+ case SIGNAL_TYPE_EDP:
+ return &dp_11_protection; //todo version2.2
+ default:
+ return &non_supported_protection;
+ }
+ break;
+ default:
+ return &non_supported_protection;
+ }
+}
+
+enum hdcp_message_status dc_process_hdcp_msg(
+ enum signal_type signal,
+ struct dc_link *link,
+ struct hdcp_protection_message *message_info)
+{
+ enum hdcp_message_status status = HDCP_MESSAGE_FAILURE;
+ uint32_t i = 0;
+
+ const struct protection_properties *protection_props;
+
+ if (!message_info)
+ return HDCP_MESSAGE_UNSUPPORTED;
+
+ if (message_info->msg_id < HDCP_MESSAGE_ID_READ_BKSV ||
+ message_info->msg_id >= HDCP_MESSAGE_ID_MAX)
+ return HDCP_MESSAGE_UNSUPPORTED;
+
+ protection_props =
+ get_protection_properties_by_signal(
+ link,
+ signal,
+ message_info->version);
+
+ if (!protection_props->supported)
+ return HDCP_MESSAGE_UNSUPPORTED;
+
+ if (protection_props->process_transaction(
+ link,
+ message_info)) {
+ status = HDCP_MESSAGE_SUCCESS;
+ } else {
+ for (i = 0; i < message_info->max_retries; i++) {
+ if (protection_props->process_transaction(
+ link,
+ message_info)) {
+ status = HDCP_MESSAGE_SUCCESS;
+ break;
+ }
+ }
+ }
+
+ return status;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index d523fc9547e7..c7fd702a4a87 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -38,6 +38,7 @@
#endif
#include "dwb.h"
#include "mcif_wb.h"
+#include "panel_cntl.h"
#define MAX_CLOCK_SOURCES 7
@@ -92,6 +93,8 @@ struct clk_bw_params;
struct resource_funcs {
void (*destroy)(struct resource_pool **pool);
void (*link_init)(struct dc_link *link);
+ struct panel_cntl*(*panel_cntl_create)(
+ const struct panel_cntl_init_data *panel_cntl_init_data);
struct link_encoder *(*link_enc_create)(
const struct encoder_init_data *init);
bool (*validate_bandwidth)(
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
index d607b3191954..e8ce8c85adf1 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/abm.h
@@ -27,27 +27,17 @@
#include "dm_services_types.h"
-struct abm_backlight_registers {
- unsigned int BL_PWM_CNTL;
- unsigned int BL_PWM_CNTL2;
- unsigned int BL_PWM_PERIOD_CNTL;
- unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
-};
-
struct abm {
struct dc_context *ctx;
const struct abm_funcs *funcs;
bool dmcu_is_running;
- /* registers setting needs to be saved and restored at InitBacklight */
- struct abm_backlight_registers stored_backlight_registers;
};
struct abm_funcs {
- void (*abm_init)(struct abm *abm);
+ void (*abm_init)(struct abm *abm, uint32_t back_light);
bool (*set_abm_level)(struct abm *abm, unsigned int abm_level);
- bool (*set_abm_immediate_disable)(struct abm *abm);
- bool (*set_pipe)(struct abm *abm, unsigned int controller_id);
- bool (*init_backlight)(struct abm *abm);
+ bool (*set_abm_immediate_disable)(struct abm *abm, unsigned int panel_inst);
+ bool (*set_pipe)(struct abm *abm, unsigned int controller_id, unsigned int panel_inst);
/* backlight_pwm_u16_16 is unsigned 32 bit,
* 16 bit integer + 16 fractional, where 1.0 is max backlight value.
@@ -56,10 +46,13 @@ struct abm_funcs {
unsigned int backlight_pwm_u16_16,
unsigned int frame_ramp,
unsigned int controller_id,
- bool use_smooth_brightness);
+ unsigned int panel_inst);
unsigned int (*get_current_backlight)(struct abm *abm);
unsigned int (*get_target_backlight)(struct abm *abm);
+ bool (*init_abm_config)(struct abm *abm,
+ const char *src,
+ unsigned int bytes);
};
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
index f5dd0cc73c63..47a566d82d6e 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
@@ -144,6 +144,8 @@ struct hubbub_funcs {
void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow);
void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub);
+
+ void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub);
};
struct hubbub {
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
index 094afc4c8173..50ee8aa7ec3b 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
@@ -210,6 +210,22 @@ struct mpc_funcs {
struct mpcc_blnd_cfg *blnd_cfg,
int mpcc_id);
+ /*
+ * Lock cursor updates for the specified OPP.
+ * OPP defines the set of MPCC that are locked together for cursor.
+ *
+ * Parameters:
+ * [in] mpc - MPC context.
+ * [in] opp_id - The OPP to lock cursor updates on
+ * [in] lock - lock/unlock the OPP
+ *
+ * Return: void
+ */
+ void (*cursor_lock)(
+ struct mpc *mpc,
+ int opp_id,
+ bool lock);
+
struct mpcc* (*get_mpcc_for_dpp)(
struct mpc_tree *tree,
int dpp_id);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h
new file mode 100644
index 000000000000..f9ab5abb6462
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/panel_cntl.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+/*
+ * panel_cntl.h
+ *
+ * Created on: Oct 6, 2015
+ * Author: yonsun
+ */
+
+#ifndef DC_PANEL_CNTL_H_
+#define DC_PANEL_CNTL_H_
+
+#include "dc_types.h"
+
+#define MAX_BACKLIGHT_LEVEL 0xFFFF
+
+struct panel_cntl_backlight_registers {
+ unsigned int BL_PWM_CNTL;
+ unsigned int BL_PWM_CNTL2;
+ unsigned int BL_PWM_PERIOD_CNTL;
+ unsigned int LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV;
+};
+
+struct panel_cntl_funcs {
+ void (*destroy)(struct panel_cntl **panel_cntl);
+ uint32_t (*hw_init)(struct panel_cntl *panel_cntl);
+ bool (*is_panel_backlight_on)(struct panel_cntl *panel_cntl);
+ bool (*is_panel_powered_on)(struct panel_cntl *panel_cntl);
+ void (*store_backlight_level)(struct panel_cntl *panel_cntl);
+ void (*driver_set_backlight)(struct panel_cntl *panel_cntl,
+ uint32_t backlight_pwm_u16_16);
+};
+
+struct panel_cntl_init_data {
+ struct dc_context *ctx;
+ uint32_t inst;
+};
+
+struct panel_cntl {
+ const struct panel_cntl_funcs *funcs;
+ struct dc_context *ctx;
+ uint32_t inst;
+ /* registers setting needs to be saved and restored at InitBacklight */
+ struct panel_cntl_backlight_registers stored_backlight_registers;
+};
+
+#endif /* DC_PANEL_CNTL_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
index e5e7d94026fc..f803191e3134 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h
@@ -117,6 +117,9 @@ struct crc_params {
enum crc_selection selection;
+ uint8_t dsc_mode;
+ uint8_t odm_mode;
+
bool continuous_mode;
bool enable;
};
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h
index fecc80c47c26..2947d1b15512 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/transform.h
@@ -173,6 +173,8 @@ struct scaler_data {
struct scaling_taps taps;
struct rect viewport;
struct rect viewport_c;
+ struct rect viewport_unadjusted;
+ struct rect viewport_c_unadjusted;
struct rect recout;
struct scaling_ratios ratios;
struct scl_inits inits;
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index d4c1fb242c63..8e72f077e552 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -75,9 +75,13 @@ struct hw_sequencer_funcs {
void (*wait_for_mpcc_disconnect)(struct dc *dc,
struct resource_pool *res_pool,
struct pipe_ctx *pipe_ctx);
+ void (*edp_backlight_control)(
+ struct dc_link *link,
+ bool enable);
void (*program_triplebuffer)(const struct dc *dc,
struct pipe_ctx *pipe_ctx, bool enableTripleBuffer);
void (*update_pending_status)(struct pipe_ctx *pipe_ctx);
+ void (*power_down)(struct dc *dc);
/* Pipe Lock Related */
void (*pipe_control_lock)(struct dc *dc,
@@ -86,11 +90,17 @@ struct hw_sequencer_funcs {
struct dc_state *context, bool lock);
void (*set_flip_control_gsl)(struct pipe_ctx *pipe_ctx,
bool flip_immediate);
+ void (*cursor_lock)(struct dc *dc, struct pipe_ctx *pipe, bool lock);
/* Timing Related */
void (*get_position)(struct pipe_ctx **pipe_ctx, int num_pipes,
struct crtc_position *position);
int (*get_vupdate_offset_from_vsync)(struct pipe_ctx *pipe_ctx);
+ void (*calc_vupdate_position)(
+ struct dc *dc,
+ struct pipe_ctx *pipe_ctx,
+ uint32_t *start_line,
+ uint32_t *end_line);
void (*enable_per_frame_crtc_position_reset)(struct dc *dc,
int group_size, struct pipe_ctx *grouped_pipes[]);
void (*enable_timing_synchronization)(struct dc *dc,
@@ -187,6 +197,12 @@ struct hw_sequencer_funcs {
unsigned int bufSize, unsigned int mask);
void (*clear_status_bits)(struct dc *dc, unsigned int mask);
+ bool (*set_backlight_level)(struct pipe_ctx *pipe_ctx,
+ uint32_t backlight_pwm_u16_16,
+ uint32_t frame_ramp);
+
+ void (*set_abm_immediate_disable)(struct pipe_ctx *pipe_ctx);
+
};
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h
index 52a26e6be066..36e906bb6bfc 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer_private.h
@@ -100,8 +100,6 @@ struct hwseq_private_funcs {
struct dc *dc);
void (*edp_backlight_control)(struct dc_link *link,
bool enable);
- bool (*is_panel_backlight_on)(struct dc_link *link);
- bool (*is_panel_powered_on)(struct dc_link *link);
void (*setup_vupdate_interrupt)(struct dc *dc,
struct pipe_ctx *pipe_ctx);
bool (*did_underflow_occur)(struct dc *dc, struct pipe_ctx *pipe_ctx);
diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h b/drivers/gpu/drm/amd/display/dc/inc/resource.h
index ca4c36c0c9bc..a9be495af922 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
@@ -138,9 +138,6 @@ struct pipe_ctx *find_idle_secondary_pipe(
const struct resource_pool *pool,
const struct pipe_ctx *primary_pipe);
-bool resource_is_stream_unchanged(
- struct dc_state *old_context, struct dc_stream_state *stream);
-
bool resource_validate_attach_surfaces(
const struct dc_validation_set set[],
int set_count,
@@ -180,6 +177,8 @@ unsigned int resource_pixel_format_to_bpp(enum surface_pixel_format format);
void get_audio_check(struct audio_info *aud_modes,
struct audio_check *aud_chk);
+int get_num_mpc_splits(struct pipe_ctx *pipe);
+
int get_num_odm_splits(struct pipe_ctx *pipe);
#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_ */
diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h
index c34eba19860a..6d7bca562eec 100644
--- a/drivers/gpu/drm/amd/display/dc/os_types.h
+++ b/drivers/gpu/drm/amd/display/dc/os_types.h
@@ -108,7 +108,7 @@
#define ASSERT(expr) ASSERT_CRITICAL(expr)
#else
-#define ASSERT(expr) WARN_ON(!(expr))
+#define ASSERT(expr) WARN_ON_ONCE(!(expr))
#endif
#define BREAK_TO_DEBUGGER() ASSERT(0)
diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
index 3464b2d5b89a..348e9a600a72 100644
--- a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c
@@ -84,6 +84,14 @@ static void virtual_link_encoder_destroy(struct link_encoder **enc)
*enc = NULL;
}
+static void virtual_link_encoder_get_max_link_cap(struct link_encoder *enc,
+ struct dc_link_settings *link_settings)
+{
+ /* Set Default link settings */
+ struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,
+ LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};
+ *link_settings = max_link_cap;
+}
static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
.validate_output_with_stream =
@@ -94,6 +102,7 @@ static const struct link_encoder_funcs virtual_lnk_enc_funcs = {
.enable_dp_output = virtual_link_encoder_enable_dp_output,
.enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,
.disable_output = virtual_link_encoder_disable_output,
+ .get_max_link_cap = virtual_link_encoder_get_max_link_cap,
.dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,
.dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,
.update_mst_stream_allocation_table =
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
index c2671f2616c8..26d94eb5ab58 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_srv.h
+++ b/drivers/gpu/drm/amd/display/dmub/dmub_srv.h
@@ -64,10 +64,11 @@
* other component within DAL.
*/
-#include "dmub_types.h"
-#include "dmub_cmd.h"
-#include "dmub_gpint_cmd.h"
-#include "dmub_rb.h"
+#include "inc/dmub_types.h"
+#include "inc/dmub_cmd.h"
+#include "inc/dmub_gpint_cmd.h"
+#include "inc/dmub_cmd_dal.h"
+#include "inc/dmub_rb.h"
#if defined(__cplusplus)
extern "C" {
@@ -75,7 +76,6 @@ extern "C" {
/* Forward declarations */
struct dmub_srv;
-struct dmub_cmd_header;
struct dmub_srv_common_regs;
/* enum dmub_status - return code for dmcub functions */
@@ -151,6 +151,7 @@ struct dmub_srv_region_params {
uint32_t inst_const_size;
uint32_t bss_data_size;
uint32_t vbios_size;
+ const uint8_t *fw_inst_const;
const uint8_t *fw_bss_data;
};
@@ -457,7 +458,7 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub);
* DMUB_STATUS_INVALID - unspecified error
*/
enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub,
- const struct dmub_cmd_header *cmd);
+ const union dmub_rb_cmd *cmd);
/**
* dmub_srv_cmd_execute() - Executes a queued sequence to the dmub
@@ -565,6 +566,16 @@ dmub_srv_send_gpint_command(struct dmub_srv *dmub,
enum dmub_status dmub_srv_get_gpint_response(struct dmub_srv *dmub,
uint32_t *response);
+/**
+ * dmub_flush_buffer_mem() - Read back entire frame buffer region.
+ * This ensures that the write from x86 has been flushed and will not
+ * hang the DMCUB.
+ * @fb: frame buffer to flush
+ *
+ * Can be called after software initialization.
+ */
+void dmub_flush_buffer_mem(const struct dmub_fb *fb);
+
#if defined(__cplusplus)
}
#endif
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
index 10b5fa9d2588..599bf2055bcb 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h
@@ -228,6 +228,7 @@ struct dmub_cmd_psr_copy_settings_data {
uint8_t smu_optimizations_en;
uint8_t frame_delay;
uint8_t frame_cap_ind;
+ struct dmub_psr_debug_flags debug;
};
struct dmub_rb_cmd_psr_copy_settings {
@@ -260,6 +261,8 @@ struct dmub_rb_cmd_psr_set_version {
struct dmub_cmd_abm_set_pipe_data {
uint32_t ramping_boundary;
uint32_t otg_inst;
+ uint32_t panel_inst;
+ uint32_t set_pipe_option;
};
struct dmub_rb_cmd_abm_set_pipe {
@@ -303,6 +306,16 @@ struct dmub_rb_cmd_abm_set_pwm_frac {
struct dmub_cmd_abm_set_pwm_frac_data abm_set_pwm_frac_data;
};
+struct dmub_cmd_abm_init_config_data {
+ union dmub_addr src;
+ uint16_t bytes;
+};
+
+struct dmub_rb_cmd_abm_init_config {
+ struct dmub_cmd_header header;
+ struct dmub_cmd_abm_init_config_data abm_init_config_data;
+};
+
union dmub_rb_cmd {
struct dmub_rb_cmd_read_modify_write read_modify_write;
struct dmub_rb_cmd_reg_field_update_sequence reg_field_update_seq;
@@ -324,6 +337,7 @@ union dmub_rb_cmd {
struct dmub_rb_cmd_abm_set_level abm_set_level;
struct dmub_rb_cmd_abm_set_ambient_level abm_set_ambient_level;
struct dmub_rb_cmd_abm_set_pwm_frac abm_set_pwm_frac;
+ struct dmub_rb_cmd_abm_init_config abm_init_config;
};
#pragma pack(pop)
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
index d37535d21928..e42de9ded275 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd_dal.h
@@ -32,17 +32,16 @@
*/
enum dmub_cmd_psr_type {
- DMUB_CMD__PSR_SET_VERSION = 0,
- DMUB_CMD__PSR_COPY_SETTINGS = 1,
- DMUB_CMD__PSR_ENABLE = 2,
- DMUB_CMD__PSR_DISABLE = 3,
- DMUB_CMD__PSR_SET_LEVEL = 4,
+ DMUB_CMD__PSR_SET_VERSION = 0,
+ DMUB_CMD__PSR_COPY_SETTINGS = 1,
+ DMUB_CMD__PSR_ENABLE = 2,
+ DMUB_CMD__PSR_DISABLE = 3,
+ DMUB_CMD__PSR_SET_LEVEL = 4,
};
enum psr_version {
- PSR_VERSION_1 = 0x10, // PSR Version 1
- PSR_VERSION_2 = 0x20, // PSR Version 2, includes selective update
- PSR_VERSION_2_1 = 0x21, // PSR Version 2, includes Y-coordinate support for SU
+ PSR_VERSION_1 = 0,
+ PSR_VERSION_UNSUPPORTED = 0xFFFFFFFF,
};
enum dmub_cmd_abm_type {
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
index df875fdd2ab0..2ae48c18bb5b 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_rb.h
@@ -33,8 +33,6 @@
extern "C" {
#endif
-struct dmub_cmd_header;
-
struct dmub_rb_init_params {
void *ctx;
void *base_address;
@@ -71,7 +69,7 @@ static inline bool dmub_rb_full(struct dmub_rb *rb)
}
static inline bool dmub_rb_push_front(struct dmub_rb *rb,
- const struct dmub_cmd_header *cmd)
+ const union dmub_rb_cmd *cmd)
{
uint64_t volatile *dst = (uint64_t volatile *)(rb->base_address) + rb->wrpt / sizeof(uint64_t);
const uint64_t *src = (const uint64_t *)cmd;
@@ -93,7 +91,7 @@ static inline bool dmub_rb_push_front(struct dmub_rb *rb,
}
static inline bool dmub_rb_front(struct dmub_rb *rb,
- struct dmub_cmd_header *cmd)
+ union dmub_rb_cmd *cmd)
{
uint8_t *rd_ptr = (uint8_t *)rb->base_address + rb->rptr;
diff --git a/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h b/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h
index 41d524b0db2f..bed5b023a396 100644
--- a/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h
+++ b/drivers/gpu/drm/amd/display/dmub/inc/dmub_types.h
@@ -49,6 +49,12 @@ extern "C" {
#define dmub_udelay(microseconds) udelay(microseconds)
#endif
+/* Maximum number of streams on any ASIC. */
+#define DMUB_MAX_STREAMS 6
+
+/* Maximum number of planes on any ASIC. */
+#define DMUB_MAX_PLANES 6
+
union dmub_addr {
struct {
uint32_t low_part;
@@ -57,6 +63,11 @@ union dmub_addr {
uint64_t quad_part;
};
+struct dmub_psr_debug_flags {
+ uint8_t visual_confirm : 1;
+ uint8_t reserved : 7;
+};
+
#if defined(__cplusplus)
}
#endif
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
index 63bb9e2c81de..edc73d6d7ba2 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn20.c
@@ -23,7 +23,7 @@
*
*/
-#include "../inc/dmub_srv.h"
+#include "../dmub_srv.h"
#include "dmub_reg.h"
#include "dmub_dcn20.h"
@@ -186,14 +186,22 @@ void dmub_dcn20_setup_windows(struct dmub_srv *dmub,
dmub_dcn20_get_fb_base_offset(dmub, &fb_base, &fb_offset);
- dmub_dcn20_translate_addr(&cw2->offset, fb_base, fb_offset, &offset);
-
- REG_WRITE(DMCUB_REGION3_CW2_OFFSET, offset.u.low_part);
- REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, offset.u.high_part);
- REG_WRITE(DMCUB_REGION3_CW2_BASE_ADDRESS, cw2->region.base);
- REG_SET_2(DMCUB_REGION3_CW2_TOP_ADDRESS, 0,
- DMCUB_REGION3_CW2_TOP_ADDRESS, cw2->region.top,
- DMCUB_REGION3_CW2_ENABLE, 1);
+ if (cw2->region.base != cw2->region.top) {
+ dmub_dcn20_translate_addr(&cw2->offset, fb_base, fb_offset,
+ &offset);
+
+ REG_WRITE(DMCUB_REGION3_CW2_OFFSET, offset.u.low_part);
+ REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, offset.u.high_part);
+ REG_WRITE(DMCUB_REGION3_CW2_BASE_ADDRESS, cw2->region.base);
+ REG_SET_2(DMCUB_REGION3_CW2_TOP_ADDRESS, 0,
+ DMCUB_REGION3_CW2_TOP_ADDRESS, cw2->region.top,
+ DMCUB_REGION3_CW2_ENABLE, 1);
+ } else {
+ REG_WRITE(DMCUB_REGION3_CW2_OFFSET, 0);
+ REG_WRITE(DMCUB_REGION3_CW2_OFFSET_HIGH, 0);
+ REG_WRITE(DMCUB_REGION3_CW2_BASE_ADDRESS, 0);
+ REG_WRITE(DMCUB_REGION3_CW2_TOP_ADDRESS, 0);
+ }
dmub_dcn20_translate_addr(&cw3->offset, fb_base, fb_offset, &offset);
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
index 5bed9fcd6b5c..e8f488232e34 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c
@@ -23,7 +23,7 @@
*
*/
-#include "../inc/dmub_srv.h"
+#include "../dmub_srv.h"
#include "dmub_reg.h"
#include "dmub_dcn21.h"
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_reg.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_reg.c
index 4094eca212f0..ca0c8a54b635 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_reg.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_reg.c
@@ -24,7 +24,7 @@
*/
#include "dmub_reg.h"
-#include "../inc/dmub_srv.h"
+#include "../dmub_srv.h"
struct dmub_reg_value_masks {
uint32_t value;
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index ce32cc7933c4..0e3751d94cb0 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -23,7 +23,7 @@
*
*/
-#include "../inc/dmub_srv.h"
+#include "../dmub_srv.h"
#include "dmub_dcn20.h"
#include "dmub_dcn21.h"
#include "dmub_fw_meta.h"
@@ -70,7 +70,7 @@ static inline uint32_t dmub_align(uint32_t val, uint32_t factor)
return (val + factor - 1) / factor * factor;
}
-static void dmub_flush_buffer_mem(const struct dmub_fb *fb)
+void dmub_flush_buffer_mem(const struct dmub_fb *fb)
{
const uint8_t *base = (const uint8_t *)fb->cpu_addr;
uint8_t buf[64];
@@ -91,18 +91,32 @@ static void dmub_flush_buffer_mem(const struct dmub_fb *fb)
}
static const struct dmub_fw_meta_info *
-dmub_get_fw_meta_info(const uint8_t *fw_bss_data, uint32_t fw_bss_data_size)
+dmub_get_fw_meta_info(const struct dmub_srv_region_params *params)
{
const union dmub_fw_meta *meta;
+ const uint8_t *blob = NULL;
+ uint32_t blob_size = 0;
+ uint32_t meta_offset = 0;
+
+ if (params->fw_bss_data) {
+ /* Legacy metadata region. */
+ blob = params->fw_bss_data;
+ blob_size = params->bss_data_size;
+ meta_offset = DMUB_FW_META_OFFSET;
+ } else if (params->fw_inst_const) {
+ /* Combined metadata region. */
+ blob = params->fw_inst_const;
+ blob_size = params->inst_const_size;
+ meta_offset = 0;
+ }
- if (fw_bss_data == NULL)
+ if (!blob || !blob_size)
return NULL;
- if (fw_bss_data_size < sizeof(union dmub_fw_meta) + DMUB_FW_META_OFFSET)
+ if (blob_size < sizeof(union dmub_fw_meta) + meta_offset)
return NULL;
- meta = (const union dmub_fw_meta *)(fw_bss_data + fw_bss_data_size -
- DMUB_FW_META_OFFSET -
+ meta = (const union dmub_fw_meta *)(blob + blob_size - meta_offset -
sizeof(union dmub_fw_meta));
if (meta->info.magic_value != DMUB_FW_META_MAGIC)
@@ -247,8 +261,7 @@ dmub_srv_calc_region_info(struct dmub_srv *dmub,
mail->base = dmub_align(bios->top, 256);
mail->top = mail->base + DMUB_MAILBOX_SIZE;
- fw_info = dmub_get_fw_meta_info(params->fw_bss_data,
- params->bss_data_size);
+ fw_info = dmub_get_fw_meta_info(params);
if (fw_info) {
fw_state_size = fw_info->fw_region_size;
@@ -449,7 +462,7 @@ enum dmub_status dmub_srv_hw_reset(struct dmub_srv *dmub)
}
enum dmub_status dmub_srv_cmd_queue(struct dmub_srv *dmub,
- const struct dmub_cmd_header *cmd)
+ const union dmub_rb_cmd *cmd)
{
if (!dmub->hw_init)
return DMUB_STATUS_INVALID;
diff --git a/drivers/gpu/drm/amd/display/include/hdcp_types.h b/drivers/gpu/drm/amd/display/include/hdcp_types.h
index f31e6befc8d6..42229b4effdc 100644
--- a/drivers/gpu/drm/amd/display/include/hdcp_types.h
+++ b/drivers/gpu/drm/amd/display/include/hdcp_types.h
@@ -83,6 +83,12 @@ enum hdcp_link {
HDCP_LINK_SECONDARY
};
+enum hdcp_message_status {
+ HDCP_MESSAGE_SUCCESS,
+ HDCP_MESSAGE_FAILURE,
+ HDCP_MESSAGE_UNSUPPORTED
+};
+
struct hdcp_protection_message {
enum hdcp_version version;
/* relevant only for DVI */
@@ -91,6 +97,7 @@ struct hdcp_protection_message {
uint32_t length;
uint8_t max_retries;
uint8_t *data;
+ enum hdcp_message_status status;
};
#endif
diff --git a/drivers/gpu/drm/amd/display/include/logger_interface.h b/drivers/gpu/drm/amd/display/include/logger_interface.h
index 6e008de25629..02c23b04d34b 100644
--- a/drivers/gpu/drm/amd/display/include/logger_interface.h
+++ b/drivers/gpu/drm/amd/display/include/logger_interface.h
@@ -40,8 +40,6 @@ struct dc_state;
*
*/
-void dc_conn_log_hex_linux(const uint8_t *hex_data, int hex_data_count);
-
void pre_surface_trace(
struct dc *dc,
const struct dc_plane_state *const *plane_states,
@@ -102,14 +100,12 @@ void context_clock_trace(
#define CONN_DATA_DETECT(link, hex_data, hex_len, ...) \
do { \
(void)(link); \
- dc_conn_log_hex_linux(hex_data, hex_len); \
DC_LOG_EVENT_DETECTION(__VA_ARGS__); \
} while (0)
#define CONN_DATA_LINK_LOSS(link, hex_data, hex_len, ...) \
do { \
(void)(link); \
- dc_conn_log_hex_linux(hex_data, hex_len); \
DC_LOG_EVENT_LINK_LOSS(__VA_ARGS__); \
} while (0)
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
index cac09d500fda..9431b48aecb4 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -1782,7 +1782,8 @@ rgb_user_alloc_fail:
return ret;
}
-bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+ struct dc_transfer_func *input_tf,
const struct dc_gamma *ramp, bool mapUserRamp)
{
struct dc_transfer_func_distributed_points *tf_pts = &input_tf->tf_pts;
@@ -1801,11 +1802,29 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
/* we can use hardcoded curve for plain SRGB TF
* If linear, it's bypass if on user ramp
*/
- if (input_tf->type == TF_TYPE_PREDEFINED &&
- (input_tf->tf == TRANSFER_FUNCTION_SRGB ||
- input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
- !mapUserRamp)
- return true;
+ if (input_tf->type == TF_TYPE_PREDEFINED) {
+ if ((input_tf->tf == TRANSFER_FUNCTION_SRGB ||
+ input_tf->tf == TRANSFER_FUNCTION_LINEAR) &&
+ !mapUserRamp)
+ return true;
+
+ if (dc_caps != NULL &&
+ dc_caps->dpp.dcn_arch == 1) {
+
+ if (input_tf->tf == TRANSFER_FUNCTION_PQ &&
+ dc_caps->dpp.dgam_rom_caps.pq == 1)
+ return true;
+
+ if (input_tf->tf == TRANSFER_FUNCTION_GAMMA22 &&
+ dc_caps->dpp.dgam_rom_caps.gamma2_2 == 1)
+ return true;
+
+ // HLG OOTF not accounted for
+ if (input_tf->tf == TRANSFER_FUNCTION_HLG &&
+ dc_caps->dpp.dgam_rom_caps.hlg == 1)
+ return true;
+ }
+ }
input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
@@ -1902,7 +1921,7 @@ bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
- if (ramp->type == GAMMA_CUSTOM)
+ if (ramp && ramp->type == GAMMA_CUSTOM)
apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
ret = true;
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
index 9994817a9a03..7f56226ba77a 100644
--- a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -30,6 +30,7 @@ struct dc_transfer_func;
struct dc_gamma;
struct dc_transfer_func_distributed_points;
struct dc_rgb_fixed;
+struct dc_color_caps;
enum dc_transfer_func_predefined;
/* For SetRegamma ADL interface support
@@ -100,7 +101,8 @@ bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
const struct dc_gamma *ramp, bool mapUserRamp, bool canRomBeUsed,
const struct freesync_hdr_tf_params *fs_params);
-bool mod_color_calculate_degamma_params(struct dc_transfer_func *output_tf,
+bool mod_color_calculate_degamma_params(struct dc_color_caps *dc_caps,
+ struct dc_transfer_func *output_tf,
const struct dc_gamma *ramp, bool mapUserRamp);
bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index c33454a9e0b4..eb7421e83b86 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -443,7 +443,7 @@ static bool vrr_settings_require_update(struct core_freesync *core_freesync,
return true;
} else if (in_vrr->state == VRR_STATE_ACTIVE_FIXED &&
in_vrr->fixed.target_refresh_in_uhz !=
- in_config->min_refresh_in_uhz) {
+ in_config->fixed_refresh_in_uhz) {
return true;
} else if (in_vrr->min_refresh_in_uhz != min_refresh_in_uhz) {
return true;
@@ -491,7 +491,7 @@ bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
return false;
}
-static void build_vrr_infopacket_data(const struct mod_vrr_params *vrr,
+static void build_vrr_infopacket_data_v1(const struct mod_vrr_params *vrr,
struct dc_info_packet *infopacket)
{
/* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
@@ -523,14 +523,74 @@ static void build_vrr_infopacket_data(const struct mod_vrr_params *vrr,
vrr->state == VRR_STATE_ACTIVE_FIXED)
infopacket->sb[6] |= 0x04;
+ // For v1 & 2 infoframes program nominal if non-fs mode, otherwise full range
/* PB7 = FreeSync Minimum refresh rate (Hz) */
- infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
/* PB8 = FreeSync Maximum refresh rate (Hz)
* Note: We should never go above the field rate of the mode timing set.
*/
infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ //FreeSync HDR
+ infopacket->sb[9] = 0;
+ infopacket->sb[10] = 0;
+}
+
+static void build_vrr_infopacket_data_v3(const struct mod_vrr_params *vrr,
+ struct dc_info_packet *infopacket)
+{
+ /* PB1 = 0x1A (24bit AMD IEEE OUI (0x00001A) - Byte 0) */
+ infopacket->sb[1] = 0x1A;
+
+ /* PB2 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 1) */
+ infopacket->sb[2] = 0x00;
+
+ /* PB3 = 0x00 (24bit AMD IEEE OUI (0x00001A) - Byte 2) */
+ infopacket->sb[3] = 0x00;
+
+ /* PB4 = Reserved */
+
+ /* PB5 = Reserved */
+
+ /* PB6 = [Bits 7:3 = Reserved] */
+
+ /* PB6 = [Bit 0 = FreeSync Supported] */
+ if (vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x01;
+
+ /* PB6 = [Bit 1 = FreeSync Enabled] */
+ if (vrr->state != VRR_STATE_DISABLED &&
+ vrr->state != VRR_STATE_UNSUPPORTED)
+ infopacket->sb[6] |= 0x02;
+
+ /* PB6 = [Bit 2 = FreeSync Active] */
+ if (vrr->state == VRR_STATE_ACTIVE_VARIABLE ||
+ vrr->state == VRR_STATE_ACTIVE_FIXED)
+ infopacket->sb[6] |= 0x04;
+
+ if (vrr->state == VRR_STATE_ACTIVE_FIXED) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->fixed_refresh_in_uhz + 500000) / 1000000);
+ } else if (vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->min_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ } else {
+ // Non-fs case, program nominal range
+ /* PB7 = FreeSync Minimum refresh rate (Hz) */
+ infopacket->sb[7] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ /* PB8 = FreeSync Maximum refresh rate (Hz) */
+ infopacket->sb[8] = (unsigned char)((vrr->max_refresh_in_uhz + 500000) / 1000000);
+ }
//FreeSync HDR
infopacket->sb[9] = 0;
@@ -678,7 +738,7 @@ static void build_vrr_infopacket_v1(enum signal_type signal,
unsigned int payload_size = 0;
build_vrr_infopacket_header_v1(signal, infopacket, &payload_size);
- build_vrr_infopacket_data(vrr, infopacket);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
build_vrr_infopacket_checksum(&payload_size, infopacket);
infopacket->valid = true;
@@ -692,7 +752,24 @@ static void build_vrr_infopacket_v2(enum signal_type signal,
unsigned int payload_size = 0;
build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
- build_vrr_infopacket_data(vrr, infopacket);
+ build_vrr_infopacket_data_v1(vrr, infopacket);
+
+ build_vrr_infopacket_fs2_data(app_tf, infopacket);
+
+ build_vrr_infopacket_checksum(&payload_size, infopacket);
+
+ infopacket->valid = true;
+}
+
+static void build_vrr_infopacket_v3(enum signal_type signal,
+ const struct mod_vrr_params *vrr,
+ enum color_transfer_func app_tf,
+ struct dc_info_packet *infopacket)
+{
+ unsigned int payload_size = 0;
+
+ build_vrr_infopacket_header_v2(signal, infopacket, &payload_size);
+ build_vrr_infopacket_data_v3(vrr, infopacket);
build_vrr_infopacket_fs2_data(app_tf, infopacket);
@@ -717,11 +794,14 @@ void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
return;
switch (packet_type) {
- case PACKET_TYPE_FS2:
+ case PACKET_TYPE_FS_V3:
+ build_vrr_infopacket_v3(stream->signal, vrr, app_tf, infopacket);
+ break;
+ case PACKET_TYPE_FS_V2:
build_vrr_infopacket_v2(stream->signal, vrr, app_tf, infopacket);
break;
case PACKET_TYPE_VRR:
- case PACKET_TYPE_FS1:
+ case PACKET_TYPE_FS_V1:
default:
build_vrr_infopacket_v1(stream->signal, vrr, infopacket);
}
@@ -793,6 +873,11 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
calc_duration_in_us_from_refresh_in_uhz(
(unsigned int)max_refresh_in_uhz);
+ if (in_config->state == VRR_STATE_ACTIVE_FIXED)
+ in_out_vrr->fixed_refresh_in_uhz = in_config->fixed_refresh_in_uhz;
+ else
+ in_out_vrr->fixed_refresh_in_uhz = 0;
+
refresh_range = in_out_vrr->max_refresh_in_uhz -
in_out_vrr->min_refresh_in_uhz;
@@ -843,7 +928,7 @@ void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
in_out_vrr->min_refresh_in_uhz);
} else if (in_out_vrr->state == VRR_STATE_ACTIVE_FIXED) {
in_out_vrr->fixed.target_refresh_in_uhz =
- in_out_vrr->min_refresh_in_uhz;
+ in_out_vrr->fixed_refresh_in_uhz;
if (in_out_vrr->fixed.ramping_active &&
in_out_vrr->fixed.fixed_active) {
/* Do not update vtotals if ramping is already active
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
index cc1d3f470b99..e9fbd94f8635 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.c
@@ -328,7 +328,8 @@ enum mod_hdcp_status mod_hdcp_add_display(struct mod_hdcp *hdcp,
/* add display to connection */
hdcp->connection.link = *link;
*display_container = *display;
- status = mod_hdcp_add_display_to_topology(hdcp, display->index);
+ status = mod_hdcp_add_display_to_topology(hdcp, display_container);
+
if (status != MOD_HDCP_STATUS_SUCCESS)
goto out;
@@ -374,7 +375,7 @@ enum mod_hdcp_status mod_hdcp_remove_display(struct mod_hdcp *hdcp,
status = mod_hdcp_remove_display_from_topology(hdcp, index);
if (status != MOD_HDCP_STATUS_SUCCESS)
goto out;
- display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ memset(display, 0, sizeof(struct mod_hdcp_display));
/* request authentication when connection is not reset */
if (current_state(hdcp) != HDCP_UNINITIALIZED)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
index 5cb4546be0ef..b0cefed2eb02 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp.h
@@ -328,7 +328,7 @@ void mod_hdcp_dump_binary_message(uint8_t *msg, uint32_t msg_size,
/* psp functions */
enum mod_hdcp_status mod_hdcp_add_display_to_topology(
- struct mod_hdcp *hdcp, uint8_t index);
+ struct mod_hdcp *hdcp, struct mod_hdcp_display *display);
enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
struct mod_hdcp *hdcp, uint8_t index);
enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp);
@@ -357,8 +357,6 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(
struct mod_hdcp *hdcp);
enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(
struct mod_hdcp *hdcp);
-enum mod_hdcp_status mod_hdcp_hdcp2_get_link_encryption_status(struct mod_hdcp *hdcp,
- enum mod_hdcp_encryption_status *encryption_status);
/* ddc functions */
enum mod_hdcp_status mod_hdcp_read_bksv(struct mod_hdcp *hdcp);
@@ -503,11 +501,6 @@ static inline uint8_t is_display_active(struct mod_hdcp_display *display)
return display->state >= MOD_HDCP_DISPLAY_ACTIVE;
}
-static inline uint8_t is_display_added(struct mod_hdcp_display *display)
-{
- return display->state >= MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
-}
-
static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *display)
{
return display->state >= MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
@@ -515,34 +508,23 @@ static inline uint8_t is_display_encryption_enabled(struct mod_hdcp_display *dis
static inline uint8_t get_active_display_count(struct mod_hdcp *hdcp)
{
- uint8_t added_count = 0;
+ uint8_t active_count = 0;
uint8_t i;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
if (is_display_active(&hdcp->displays[i]))
- added_count++;
- return added_count;
-}
-
-static inline uint8_t get_added_display_count(struct mod_hdcp *hdcp)
-{
- uint8_t added_count = 0;
- uint8_t i;
-
- for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
- if (is_display_added(&hdcp->displays[i]))
- added_count++;
- return added_count;
+ active_count++;
+ return active_count;
}
-static inline struct mod_hdcp_display *get_first_added_display(
+static inline struct mod_hdcp_display *get_first_active_display(
struct mod_hdcp *hdcp)
{
uint8_t i;
struct mod_hdcp_display *display = NULL;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
- if (is_display_added(&hdcp->displays[i])) {
+ if (is_display_active(&hdcp->displays[i])) {
display = &hdcp->displays[i];
break;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
index 37c8c05497d6..f244b72e74e0 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c
@@ -129,7 +129,7 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static inline enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
/* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_added_display_count(hdcp)) ?
+ return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP1_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index 491c00f48026..549c113abcf7 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -208,7 +208,7 @@ static inline uint8_t get_device_count(struct mod_hdcp *hdcp)
static enum mod_hdcp_status check_device_count(struct mod_hdcp *hdcp)
{
/* device count must be greater than or equal to tracked hdcp displays */
- return (get_device_count(hdcp) < get_added_display_count(hdcp)) ?
+ return (get_device_count(hdcp) < get_active_display_count(hdcp)) ?
MOD_HDCP_STATUS_HDCP2_DEVICE_COUNT_MISMATCH_FAILURE :
MOD_HDCP_STATUS_SUCCESS;
}
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
index 44956f9ba178..fb6a19d020f9 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_log.c
@@ -98,8 +98,8 @@ char *mod_hdcp_status_to_str(int32_t status)
return "MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE";
case MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED:
return "MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED";
- case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION:
- return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION";
+ case MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE";
case MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE:
return "MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE";
case MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE:
@@ -158,8 +158,8 @@ char *mod_hdcp_status_to_str(int32_t status)
return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED";
case MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY:
return "MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY";
- case MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION:
- return "MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION";
+ case MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE:
+ return "MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE";
case MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING:
return "MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING";
case MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE:
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index c2929815c3ee..fb1161dd7ea8 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -51,12 +51,15 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
struct ta_dtm_shared_memory *dtm_cmd;
struct mod_hdcp_display *display =
get_active_display_at_index(hdcp, index);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
- if (!display || !is_display_added(display))
+ if (!display || !is_display_active(display))
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+ mutex_lock(&psp->dtm_context.mutex);
+
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
@@ -66,34 +69,33 @@ enum mod_hdcp_status mod_hdcp_remove_display_from_topology(
psp_dtm_invoke(psp, dtm_cmd->cmd_id);
- if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+ } else {
+ display->state = MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
+ }
- display->state = MOD_HDCP_DISPLAY_ACTIVE;
- HDCP_TOP_REMOVE_DISPLAY_TRACE(hdcp, display->index);
-
- return MOD_HDCP_STATUS_SUCCESS;
-
+ mutex_unlock(&psp->dtm_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
- uint8_t index)
+ struct mod_hdcp_display *display)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_dtm_shared_memory *dtm_cmd;
- struct mod_hdcp_display *display =
- get_active_display_at_index(hdcp, index);
struct mod_hdcp_link *link = &hdcp->connection.link;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!psp->dtm_context.dtm_initialized) {
DRM_ERROR("Failed to add display topology, DTM TA is not initialized.");
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
return MOD_HDCP_STATUS_FAILURE;
}
- if (!display || is_display_added(display))
- return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
-
dtm_cmd = (struct ta_dtm_shared_memory *)psp->dtm_context.dtm_shared_buf;
+ mutex_lock(&psp->dtm_context.mutex);
memset(dtm_cmd, 0, sizeof(struct ta_dtm_shared_memory));
dtm_cmd->cmd_id = TA_DTM_COMMAND__TOPOLOGY_UPDATE_V2;
@@ -113,21 +115,24 @@ enum mod_hdcp_status mod_hdcp_add_display_to_topology(struct mod_hdcp *hdcp,
psp_dtm_invoke(psp, dtm_cmd->cmd_id);
- if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
-
- display->state = MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
- HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
+ if (dtm_cmd->dtm_status != TA_DTM_STATUS__SUCCESS) {
+ display->state = MOD_HDCP_DISPLAY_INACTIVE;
+ status = MOD_HDCP_STATUS_UPDATE_TOPOLOGY_FAILURE;
+ } else {
+ HDCP_TOP_ADD_DISPLAY_TRACE(hdcp, display->index);
+ }
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->dtm_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
- struct mod_hdcp_display *display = get_first_added_display(hdcp);
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!psp->hdcp_context.hdcp_initialized) {
DRM_ERROR("Failed to create hdcp session. HDCP TA is not initialized.");
@@ -135,6 +140,8 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
}
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
+
+ mutex_lock(&psp->hdcp_context.mutex);
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
hdcp_cmd->in_msg.hdcp1_create_session.display_handle = display->index;
@@ -144,16 +151,18 @@ enum mod_hdcp_status mod_hdcp_hdcp1_create_session(struct mod_hdcp *hdcp)
hdcp->auth.id = hdcp_cmd->out_msg.hdcp1_create_session.session_handle;
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
-
- hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary;
- memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary,
- sizeof(hdcp->auth.msg.hdcp1.aksv));
- memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary,
- sizeof(hdcp->auth.msg.hdcp1.an));
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_CREATE_SESSION_FAILURE;
+ } else {
+ hdcp->auth.msg.hdcp1.ainfo = hdcp_cmd->out_msg.hdcp1_create_session.ainfo_primary;
+ memcpy(hdcp->auth.msg.hdcp1.aksv, hdcp_cmd->out_msg.hdcp1_create_session.aksv_primary,
+ sizeof(hdcp->auth.msg.hdcp1.aksv));
+ memcpy(hdcp->auth.msg.hdcp1.an, hdcp_cmd->out_msg.hdcp1_create_session.an_primary,
+ sizeof(hdcp->auth.msg.hdcp1.an));
+ }
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
@@ -162,7 +171,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
uint8_t i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -171,27 +182,30 @@ enum mod_hdcp_status mod_hdcp_hdcp1_destroy_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
-
- HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp);
- for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
- if (is_display_encryption_enabled(
- &hdcp->displays[i])) {
- hdcp->displays[i].state =
- MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
- HDCP_HDCP1_DISABLED_TRACE(hdcp,
- hdcp->displays[i].index);
- }
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_DESTROY_SESSION_FAILURE;
+ } else {
+ HDCP_TOP_HDCP1_DESTROY_SESSION_TRACE(hdcp);
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_encryption_enabled(&hdcp->displays[i])) {
+ hdcp->displays[i].state =
+ MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_HDCP1_DISABLED_TRACE(
+ hdcp, hdcp->displays[i].index);
+ }
+ }
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -206,10 +220,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
-
- if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
+ } else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
TA_HDCP_AUTHENTICATION_STATUS__HDCP1_FIRST_PART_COMPLETE) {
/* needs second part of authentication */
hdcp->connection.is_repeater = 1;
@@ -219,20 +232,22 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_rx(struct mod_hdcp *hdcp)
} else if (hdcp_cmd->out_msg.hdcp1_first_part_authentication.authentication_status ==
TA_HDCP_AUTHENTICATION_STATUS__HDCP1_KSV_REVOKED) {
hdcp->connection.is_hdcp1_revoked = 1;
- return MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
+ status = MOD_HDCP_STATUS_HDCP1_BKSV_REVOKED;
} else
- return MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
-
+ status = MOD_HDCP_STATUS_HDCP1_VALIDATE_RX_FAILURE;
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_added_display(hdcp);
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -241,14 +256,15 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION;
-
- if (!is_dp_mst_hdcp(hdcp)) {
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE;
+ } else if (!is_dp_mst_hdcp(hdcp)) {
display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP1_ENABLED_TRACE(hdcp, display->index);
}
- return MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
@@ -257,6 +273,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -287,6 +304,7 @@ enum mod_hdcp_status mod_hdcp_hdcp1_validate_ksvlist_vp(struct mod_hdcp *hdcp)
status = MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE;
}
+ mutex_unlock(&psp->hdcp_context.mutex);
return status;
}
@@ -296,14 +314,15 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
int i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
- if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED ||
- hdcp->displays[i].adjust.disable)
- continue;
+ if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
+ continue;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -313,21 +332,26 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_dp_stream_encryption(struct mod_hdcp
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE;
+ break;
+ }
hdcp->displays[i].state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP1_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
}
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -339,12 +363,12 @@ enum mod_hdcp_status mod_hdcp_hdcp1_link_maintenance(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
+ hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level != 1)
+ status = MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
- return (hdcp_cmd->out_msg.hdcp1_get_encryption_status.protection_level == 1)
- ? MOD_HDCP_STATUS_SUCCESS
- : MOD_HDCP_STATUS_HDCP1_LINK_MAINTENANCE_FAILURE;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp1_get_link_encryption_status(struct mod_hdcp *hdcp,
@@ -364,19 +388,23 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_added_display(hdcp);
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
if (!psp->hdcp_context.hdcp_initialized) {
DRM_ERROR("Failed to create hdcp session, HDCP TA is not initialized");
return MOD_HDCP_STATUS_FAILURE;
}
- hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
- memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
-
if (!display)
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+ mutex_lock(&psp->hdcp_context.mutex);
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
@@ -393,12 +421,14 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
- hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_CREATE_SESSION_FAILURE;
+ else
+ hdcp->auth.id = hdcp_cmd->out_msg.hdcp2_create_session_v2.session_handle;
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
@@ -406,7 +436,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
uint8_t i = 0;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -415,20 +447,21 @@ enum mod_hdcp_status mod_hdcp_hdcp2_destroy_session(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
-
- HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp);
- for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
- if (is_display_encryption_enabled(
- &hdcp->displays[i])) {
- hdcp->displays[i].state =
- MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED;
- HDCP_HDCP2_DISABLED_TRACE(hdcp,
- hdcp->displays[i].index);
- }
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_DESTROY_SESSION_FAILURE;
+ } else {
+ HDCP_TOP_HDCP2_DESTROY_SESSION_TRACE(hdcp);
+ for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++)
+ if (is_display_encryption_enabled(&hdcp->displays[i])) {
+ hdcp->displays[i].state =
+ MOD_HDCP_DISPLAY_ACTIVE;
+ HDCP_HDCP2_DISABLED_TRACE(
+ hdcp, hdcp->displays[i].index);
+ }
+ }
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
@@ -437,7 +470,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -452,12 +487,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_ake_init(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
-
- memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.ake_init));
+ status = MOD_HDCP_STATUS_HDCP2_PREP_AKE_INIT_FAILURE;
+ else
+ memcpy(&hdcp->auth.msg.hdcp2.ake_init[0], &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ake_init));
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
@@ -466,7 +502,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -488,26 +526,32 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_ake_cert(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
-
- memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km, &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
-
- memcpy(hdcp->auth.msg.hdcp2.ake_stored_km,
- &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)],
- sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
-
- if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
- hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
- hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
- return MOD_HDCP_STATUS_SUCCESS;
- } else if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
- hdcp->connection.is_hdcp2_revoked = 1;
- return MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.ake_no_stored_km,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km));
+
+ memcpy(hdcp->auth.msg.hdcp2.ake_stored_km,
+ &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ake_no_stored_km)],
+ sizeof(hdcp->auth.msg.hdcp2.ake_stored_km));
+
+ if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
+ hdcp->connection.is_km_stored =
+ msg_out->process.is_km_stored ? 1 : 0;
+ hdcp->connection.is_repeater =
+ msg_out->process.is_repeater ? 1 : 0;
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
+ hdcp->connection.is_hdcp2_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP2_AKE_CERT_REVOKED;
+ }
}
-
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_AKE_CERT_FAILURE;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
@@ -516,7 +560,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -543,16 +589,15 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_h_prime(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
-
- if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
+ else if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_H_PRIME_FAILURE;
else if (!hdcp->connection.is_km_stored &&
- msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
-
+ msg_out->process.msg2_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_PAIRING_INFO_FAILURE;
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
@@ -561,7 +606,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -577,12 +624,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_lc_init(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
-
- memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.lc_init));
+ status = MOD_HDCP_STATUS_HDCP2_PREP_LC_INIT_FAILURE;
+ else
+ memcpy(hdcp->auth.msg.hdcp2.lc_init, &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.lc_init));
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
@@ -591,7 +639,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -610,13 +660,12 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_l_prime(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
-
- if (msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS ||
+ msg_out->process.msg1_status != TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_L_PRIME_FAILURE;
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
@@ -625,7 +674,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -642,48 +693,55 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_eks(struct mod_hdcp *hdcp)
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
-
- memcpy(hdcp->auth.msg.hdcp2.ske_eks, &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.ske_eks));
- msg_out->prepare.msg1_desc.msg_size = sizeof(hdcp->auth.msg.hdcp2.ske_eks);
-
- if (is_dp_hdcp(hdcp)) {
- memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp,
- &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)],
- sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_PREP_EKS_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.ske_eks,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks));
+ msg_out->prepare.msg1_desc.msg_size =
+ sizeof(hdcp->auth.msg.hdcp2.ske_eks);
+
+ if (is_dp_hdcp(hdcp)) {
+ memcpy(hdcp->auth.msg.hdcp2.content_stream_type_dp,
+ &msg_out->prepare.transmitter_message[sizeof(hdcp->auth.msg.hdcp2.ske_eks)],
+ sizeof(hdcp->auth.msg.hdcp2.content_stream_type_dp));
+ }
}
+ mutex_unlock(&psp->hdcp_context.mutex);
- return MOD_HDCP_STATUS_SUCCESS;
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_enable_encryption(struct mod_hdcp *hdcp)
{
struct psp_context *psp = hdcp->config.psp.handle;
struct ta_hdcp_shared_memory *hdcp_cmd;
- struct mod_hdcp_display *display = get_first_added_display(hdcp);
-
- hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
- memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+ struct mod_hdcp_display *display = get_first_active_display(hdcp);
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
if (!display)
return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+ mutex_lock(&psp->hdcp_context.mutex);
+
+ hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
+ memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+
hdcp_cmd->in_msg.hdcp2_set_encryption.session_handle = hdcp->auth.id;
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_SET_ENCRYPTION;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
-
- if (!is_dp_mst_hdcp(hdcp)) {
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_ENABLE_ENCRYPTION_FAILURE;
+ } else if (!is_dp_mst_hdcp(hdcp)) {
display->state = MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED;
HDCP_HDCP2_ENABLED_TRACE(hdcp, display->index);
}
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
@@ -692,6 +750,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -712,23 +773,26 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_rx_id_list(struct mod_hdcp *hdcp)
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
-
- memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack, &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
-
- if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
- hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
- hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
- return MOD_HDCP_STATUS_SUCCESS;
- } else if (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
- hdcp->connection.is_hdcp2_revoked = 1;
- return MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+ } else {
+ memcpy(hdcp->auth.msg.hdcp2.repeater_auth_ack,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_ack));
+
+ if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS) {
+ hdcp->connection.is_km_stored = msg_out->process.is_km_stored ? 1 : 0;
+ hdcp->connection.is_repeater = msg_out->process.is_repeater ? 1 : 0;
+ status = MOD_HDCP_STATUS_SUCCESS;
+ } else if (msg_out->process.msg1_status ==
+ TA_HDCP2_MSG_AUTHENTICATION_STATUS__RECEIVERID_REVOKED) {
+ hdcp->connection.is_hdcp2_revoked = 1;
+ status = MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED;
+ }
}
-
-
- return MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp *hdcp)
@@ -737,7 +801,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
uint8_t i;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -747,9 +813,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
for (i = 0; i < MAX_NUM_OF_DISPLAYS; i++) {
- if (hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED ||
- hdcp->displays[i].adjust.disable)
- continue;
+ if (hdcp->displays[i].adjust.disable || hdcp->displays[i].state != MOD_HDCP_DISPLAY_ACTIVE)
+ continue;
+
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.display_handle = hdcp->displays[i].index;
hdcp_cmd->in_msg.hdcp2_enable_dp_stream_encryption.session_handle = hdcp->auth.id;
@@ -763,8 +829,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_enable_dp_stream_encryption(struct mod_hdcp
HDCP_HDCP2_ENABLED_TRACE(hdcp, hdcp->displays[i].index);
}
- return (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) ? MOD_HDCP_STATUS_SUCCESS
- : MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION;
+ if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE;
+
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *hdcp)
@@ -774,7 +845,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *h
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -789,15 +862,17 @@ enum mod_hdcp_status mod_hdcp_hdcp2_prepare_stream_management(struct mod_hdcp *h
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
-
- hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size;
-
- memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage, &msg_out->prepare.transmitter_message[0],
- sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage));
+ if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS) {
+ status = MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE;
+ } else {
+ hdcp->auth.msg.hdcp2.stream_manage_size = msg_out->prepare.msg1_desc.msg_size;
- return MOD_HDCP_STATUS_SUCCESS;
+ memcpy(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage,
+ &msg_out->prepare.transmitter_message[0],
+ sizeof(hdcp->auth.msg.hdcp2.repeater_auth_stream_manage));
+ }
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
@@ -806,7 +881,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
struct ta_hdcp_shared_memory *hdcp_cmd;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_input_v2 *msg_in;
struct ta_hdcp_cmd_hdcp2_process_prepare_authentication_message_output_v2 *msg_out;
+ enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
@@ -825,38 +902,13 @@ enum mod_hdcp_status mod_hdcp_hdcp2_validate_stream_ready(struct mod_hdcp *hdcp)
hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_PREPARE_PROCESS_AUTHENTICATION_MSG_V2;
psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
- return (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS) &&
- (msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
- ? MOD_HDCP_STATUS_SUCCESS
- : MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
-}
-
-enum mod_hdcp_status mod_hdcp_hdcp2_get_link_encryption_status(struct mod_hdcp *hdcp,
- enum mod_hdcp_encryption_status *encryption_status)
-{
- struct psp_context *psp = hdcp->config.psp.handle;
- struct ta_hdcp_shared_memory *hdcp_cmd;
-
- hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
-
- memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
-
- hdcp_cmd->in_msg.hdcp2_get_encryption_status.session_handle = hdcp->auth.id;
- hdcp_cmd->out_msg.hdcp2_get_encryption_status.protection_level = 0;
- hdcp_cmd->cmd_id = TA_HDCP_COMMAND__HDCP2_GET_ENCRYPTION_STATUS;
- *encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP_OFF;
-
- psp_hdcp_invoke(psp, hdcp_cmd->cmd_id);
-
- if (hdcp_cmd->hdcp_status != TA_HDCP_STATUS__SUCCESS)
- return MOD_HDCP_STATUS_FAILURE;
-
- if (hdcp_cmd->out_msg.hdcp2_get_encryption_status.protection_level == 1) {
- if (hdcp_cmd->out_msg.hdcp2_get_encryption_status.hdcp2_type == TA_HDCP2_CONTENT_TYPE__TYPE1)
- *encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE1_ON;
- else
- *encryption_status = MOD_HDCP_ENCRYPTION_STATUS_HDCP2_TYPE0_ON;
- }
+ if (hdcp_cmd->hdcp_status == TA_HDCP_STATUS__SUCCESS &&
+ msg_out->process.msg1_status == TA_HDCP2_MSG_AUTHENTICATION_STATUS__SUCCESS)
+ status = MOD_HDCP_STATUS_SUCCESS;
+ else
+ status = MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE;
- return MOD_HDCP_STATUS_SUCCESS;
+ mutex_unlock(&psp->hdcp_context.mutex);
+ return status;
}
+
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
index dbe7835aabcf..0ba3cf7f336a 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
@@ -83,6 +83,8 @@ struct mod_freesync_config {
bool btr;
unsigned int min_refresh_in_uhz;
unsigned int max_refresh_in_uhz;
+ unsigned int fixed_refresh_in_uhz;
+
};
struct mod_vrr_params_btr {
@@ -112,6 +114,7 @@ struct mod_vrr_params {
uint32_t max_duration_in_us;
uint32_t max_refresh_in_uhz;
uint32_t min_duration_in_us;
+ uint32_t fixed_refresh_in_uhz;
struct dc_crtc_timing_adjust adjust;
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
index c088602bc1a0..eed560eecbab 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_hdcp.h
@@ -60,7 +60,7 @@ enum mod_hdcp_status {
MOD_HDCP_STATUS_HDCP1_KSV_LIST_NOT_READY,
MOD_HDCP_STATUS_HDCP1_VALIDATE_KSV_LIST_FAILURE,
MOD_HDCP_STATUS_HDCP1_KSV_LIST_REVOKED,
- MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION,
+ MOD_HDCP_STATUS_HDCP1_ENABLE_ENCRYPTION_FAILURE,
MOD_HDCP_STATUS_HDCP1_ENABLE_STREAM_ENCRYPTION_FAILURE,
MOD_HDCP_STATUS_HDCP1_MAX_CASCADE_EXCEEDED_FAILURE,
MOD_HDCP_STATUS_HDCP1_MAX_DEVS_EXCEEDED_FAILURE,
@@ -90,7 +90,7 @@ enum mod_hdcp_status {
MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_NOT_READY,
MOD_HDCP_STATUS_HDCP2_VALIDATE_RX_ID_LIST_FAILURE,
MOD_HDCP_STATUS_HDCP2_RX_ID_LIST_REVOKED,
- MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION,
+ MOD_HDCP_STATUS_HDCP2_ENABLE_STREAM_ENCRYPTION_FAILURE,
MOD_HDCP_STATUS_HDCP2_STREAM_READY_PENDING,
MOD_HDCP_STATUS_HDCP2_VALIDATE_STREAM_READY_FAILURE,
MOD_HDCP_STATUS_HDCP2_PREPARE_STREAM_MANAGEMENT_FAILURE,
@@ -117,7 +117,6 @@ enum mod_hdcp_operation_mode {
enum mod_hdcp_display_state {
MOD_HDCP_DISPLAY_INACTIVE = 0,
MOD_HDCP_DISPLAY_ACTIVE,
- MOD_HDCP_DISPLAY_ACTIVE_AND_ADDED,
MOD_HDCP_DISPLAY_ENCRYPTION_ENABLED
};
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h b/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h
index fe2117904329..198c0e64d13a 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_shared.h
@@ -40,8 +40,9 @@ enum color_transfer_func {
enum vrr_packet_type {
PACKET_TYPE_VRR,
- PACKET_TYPE_FS1,
- PACKET_TYPE_FS2,
+ PACKET_TYPE_FS_V1,
+ PACKET_TYPE_FS_V2,
+ PACKET_TYPE_FS_V3,
PACKET_TYPE_VTEM
};
diff --git a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
index cff3ab15fc0c..7cd8a43d1889 100644
--- a/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
+++ b/drivers/gpu/drm/amd/display/modules/info_packet/info_packet.c
@@ -144,7 +144,7 @@ void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
}
/*VSC packet set to 2 when DP revision >= 1.2*/
- if (stream->psr_version != 0)
+ if (stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
vsc_packet_revision = vsc_packet_rev2;
/* Update to revision 5 for extended colorimetry support */
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
index e75a4bb94488..8c37bcc27132 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -24,6 +24,9 @@
#include "power_helpers.h"
#include "dc/inc/hw/dmcu.h"
+#include "dc/inc/hw/abm.h"
+#include "dc.h"
+#include "core_types.h"
#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
@@ -237,7 +240,7 @@ static void fill_backlight_transform_table(struct dmcu_iram_parameters params,
}
static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params,
- struct iram_table_v_2_2 *table)
+ struct iram_table_v_2_2 *table, bool big_endian)
{
unsigned int i;
unsigned int num_entries = NUM_BL_CURVE_SEGS;
@@ -261,10 +264,12 @@ static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters par
lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
ASSERT(lut_index < params.backlight_lut_array_size);
- table->backlight_thresholds[i] =
- cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries));
- table->backlight_offsets[i] =
- cpu_to_be16(params.backlight_lut_array[lut_index]);
+ table->backlight_thresholds[i] = (big_endian) ?
+ cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) :
+ cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries));
+ table->backlight_offsets[i] = (big_endian) ?
+ cpu_to_be16(params.backlight_lut_array[lut_index]) :
+ cpu_to_le16(params.backlight_lut_array[lut_index]);
}
}
@@ -584,18 +589,18 @@ void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame
ram_table->crgb_slope[7] = cpu_to_be16(0x1910);
fill_backlight_transform_table_v_2_2(
- params, ram_table);
+ params, ram_table, true);
}
-void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params)
+void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian)
{
unsigned int i, j;
unsigned int set = params.set;
ram_table->flags = 0x0;
-
- ram_table->min_abm_backlight =
- cpu_to_be16(params.min_abm_backlight);
+ ram_table->min_abm_backlight = (big_endian) ?
+ cpu_to_be16(params.min_abm_backlight) :
+ cpu_to_le16(params.min_abm_backlight);
for (i = 0; i < NUM_AGGR_LEVEL; i++) {
ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain;
@@ -619,33 +624,51 @@ void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parame
ram_table->iir_curve[4] = 0x65;
//Gamma 2.2
- ram_table->crgb_thresh[0] = cpu_to_be16(0x127c);
- ram_table->crgb_thresh[1] = cpu_to_be16(0x151b);
- ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5);
- ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56);
- ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83);
- ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72);
- ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0);
- ram_table->crgb_thresh[7] = cpu_to_be16(0x232b);
- ram_table->crgb_offset[0] = cpu_to_be16(0x2999);
- ram_table->crgb_offset[1] = cpu_to_be16(0x3999);
- ram_table->crgb_offset[2] = cpu_to_be16(0x4666);
- ram_table->crgb_offset[3] = cpu_to_be16(0x5999);
- ram_table->crgb_offset[4] = cpu_to_be16(0x6333);
- ram_table->crgb_offset[5] = cpu_to_be16(0x7800);
- ram_table->crgb_offset[6] = cpu_to_be16(0x8c00);
- ram_table->crgb_offset[7] = cpu_to_be16(0xa000);
- ram_table->crgb_slope[0] = cpu_to_be16(0x3609);
- ram_table->crgb_slope[1] = cpu_to_be16(0x2dfa);
- ram_table->crgb_slope[2] = cpu_to_be16(0x27ea);
- ram_table->crgb_slope[3] = cpu_to_be16(0x235d);
- ram_table->crgb_slope[4] = cpu_to_be16(0x2042);
- ram_table->crgb_slope[5] = cpu_to_be16(0x1dc3);
- ram_table->crgb_slope[6] = cpu_to_be16(0x1b1a);
- ram_table->crgb_slope[7] = cpu_to_be16(0x1910);
+ ram_table->crgb_thresh[0] = (big_endian) ? cpu_to_be16(0x127c) : cpu_to_le16(0x127c);
+ ram_table->crgb_thresh[1] = (big_endian) ? cpu_to_be16(0x151b) : cpu_to_le16(0x151b);
+ ram_table->crgb_thresh[2] = (big_endian) ? cpu_to_be16(0x17d5) : cpu_to_le16(0x17d5);
+ ram_table->crgb_thresh[3] = (big_endian) ? cpu_to_be16(0x1a56) : cpu_to_le16(0x1a56);
+ ram_table->crgb_thresh[4] = (big_endian) ? cpu_to_be16(0x1c83) : cpu_to_le16(0x1c83);
+ ram_table->crgb_thresh[5] = (big_endian) ? cpu_to_be16(0x1e72) : cpu_to_le16(0x1e72);
+ ram_table->crgb_thresh[6] = (big_endian) ? cpu_to_be16(0x20f0) : cpu_to_le16(0x20f0);
+ ram_table->crgb_thresh[7] = (big_endian) ? cpu_to_be16(0x232b) : cpu_to_le16(0x232b);
+ ram_table->crgb_offset[0] = (big_endian) ? cpu_to_be16(0x2999) : cpu_to_le16(0x2999);
+ ram_table->crgb_offset[1] = (big_endian) ? cpu_to_be16(0x3999) : cpu_to_le16(0x3999);
+ ram_table->crgb_offset[2] = (big_endian) ? cpu_to_be16(0x4666) : cpu_to_le16(0x4666);
+ ram_table->crgb_offset[3] = (big_endian) ? cpu_to_be16(0x5999) : cpu_to_le16(0x5999);
+ ram_table->crgb_offset[4] = (big_endian) ? cpu_to_be16(0x6333) : cpu_to_le16(0x6333);
+ ram_table->crgb_offset[5] = (big_endian) ? cpu_to_be16(0x7800) : cpu_to_le16(0x7800);
+ ram_table->crgb_offset[6] = (big_endian) ? cpu_to_be16(0x8c00) : cpu_to_le16(0x8c00);
+ ram_table->crgb_offset[7] = (big_endian) ? cpu_to_be16(0xa000) : cpu_to_le16(0xa000);
+ ram_table->crgb_slope[0] = (big_endian) ? cpu_to_be16(0x3609) : cpu_to_le16(0x3609);
+ ram_table->crgb_slope[1] = (big_endian) ? cpu_to_be16(0x2dfa) : cpu_to_le16(0x2dfa);
+ ram_table->crgb_slope[2] = (big_endian) ? cpu_to_be16(0x27ea) : cpu_to_le16(0x27ea);
+ ram_table->crgb_slope[3] = (big_endian) ? cpu_to_be16(0x235d) : cpu_to_le16(0x235d);
+ ram_table->crgb_slope[4] = (big_endian) ? cpu_to_be16(0x2042) : cpu_to_le16(0x2042);
+ ram_table->crgb_slope[5] = (big_endian) ? cpu_to_be16(0x1dc3) : cpu_to_le16(0x1dc3);
+ ram_table->crgb_slope[6] = (big_endian) ? cpu_to_be16(0x1b1a) : cpu_to_le16(0x1b1a);
+ ram_table->crgb_slope[7] = (big_endian) ? cpu_to_be16(0x1910) : cpu_to_le16(0x1910);
fill_backlight_transform_table_v_2_2(
- params, ram_table);
+ params, ram_table, big_endian);
+}
+
+bool dmub_init_abm_config(struct abm *abm,
+ struct dmcu_iram_parameters params)
+{
+ unsigned char ram_table[IRAM_SIZE];
+ bool result = false;
+
+ if (abm == NULL)
+ return false;
+
+ memset(&ram_table, 0, sizeof(ram_table));
+
+ fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, false);
+ result = abm->funcs->init_abm_config(
+ abm, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+
+ return result;
}
bool dmcu_load_iram(struct dmcu *dmcu,
@@ -657,17 +680,17 @@ bool dmcu_load_iram(struct dmcu *dmcu,
if (dmcu == NULL)
return false;
- if (!dmcu->funcs->is_dmcu_initialized(dmcu))
+ if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu))
return true;
memset(&ram_table, 0, sizeof(ram_table));
if (dmcu->dmcu_version.abm_version == 0x24) {
- fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params);
- result = dmcu->funcs->load_iram(
- dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+ fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
+ result = dmcu->funcs->load_iram(
+ dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
} else if (dmcu->dmcu_version.abm_version == 0x23) {
- fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params);
+ fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
result = dmcu->funcs->load_iram(
dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
index e54157026330..46fbca2e2cd1 100644
--- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.h
@@ -26,6 +26,7 @@
#define MODULES_POWER_POWER_HELPERS_H_
#include "dc/inc/hw/dmcu.h"
+#include "dc/inc/hw/abm.h"
enum abm_defines {
@@ -44,5 +45,7 @@ struct dmcu_iram_parameters {
bool dmcu_load_iram(struct dmcu *dmcu,
struct dmcu_iram_parameters params);
+bool dmub_init_abm_config(struct abm *abm,
+ struct dmcu_iram_parameters params);
#endif /* MODULES_POWER_POWER_HELPERS_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c
deleted file mode 100644
index 03121ca64fe4..000000000000
--- a/drivers/gpu/drm/amd/display/modules/stats/stats.c
+++ /dev/null
@@ -1,448 +0,0 @@
-/*
- * Copyright 2016 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
- */
-
-#include "mod_stats.h"
-#include "dm_services.h"
-#include "dc.h"
-#include "core_types.h"
-
-#define DAL_STATS_ENABLE_REGKEY "DalStatsEnable"
-#define DAL_STATS_ENABLE_REGKEY_DEFAULT 0x00000000
-#define DAL_STATS_ENABLE_REGKEY_ENABLED 0x00000001
-
-#define DAL_STATS_ENTRIES_REGKEY "DalStatsEntries"
-#define DAL_STATS_ENTRIES_REGKEY_DEFAULT 0x00350000
-#define DAL_STATS_ENTRIES_REGKEY_MAX 0x01000000
-
-#define DAL_STATS_EVENT_ENTRIES_DEFAULT 0x00000100
-
-#define MOD_STATS_NUM_VSYNCS 5
-#define MOD_STATS_EVENT_STRING_MAX 512
-
-struct stats_time_cache {
- unsigned int entry_id;
-
- unsigned long flip_timestamp_in_ns;
- unsigned long vupdate_timestamp_in_ns;
-
- unsigned int render_time_in_us;
- unsigned int avg_render_time_in_us_last_ten;
- unsigned int v_sync_time_in_us[MOD_STATS_NUM_VSYNCS];
- unsigned int num_vsync_between_flips;
-
- unsigned int flip_to_vsync_time_in_us;
- unsigned int vsync_to_flip_time_in_us;
-
- unsigned int min_window;
- unsigned int max_window;
- unsigned int v_total_min;
- unsigned int v_total_max;
- unsigned int event_triggers;
-
- unsigned int lfc_mid_point_in_us;
- unsigned int num_frames_inserted;
- unsigned int inserted_duration_in_us;
-
- unsigned int flags;
-};
-
-struct stats_event_cache {
- unsigned int entry_id;
- char event_string[MOD_STATS_EVENT_STRING_MAX];
-};
-
-struct core_stats {
- struct mod_stats public;
- struct dc *dc;
-
- bool enabled;
- unsigned int entries;
- unsigned int event_entries;
- unsigned int entry_id;
-
- struct stats_time_cache *time;
- unsigned int index;
-
- struct stats_event_cache *events;
- unsigned int event_index;
-
-};
-
-#define MOD_STATS_TO_CORE(mod_stats)\
- container_of(mod_stats, struct core_stats, public)
-
-bool mod_stats_init(struct mod_stats *mod_stats)
-{
- bool result = false;
- struct core_stats *core_stats = NULL;
- struct dc *dc = NULL;
-
- if (mod_stats == NULL)
- return false;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
- dc = core_stats->dc;
-
- return result;
-}
-
-struct mod_stats *mod_stats_create(struct dc *dc)
-{
- struct core_stats *core_stats = NULL;
- struct persistent_data_flag flag;
- unsigned int reg_data;
- int i = 0;
-
- if (dc == NULL)
- goto fail_construct;
-
- core_stats = kzalloc(sizeof(struct core_stats), GFP_KERNEL);
-
- if (core_stats == NULL)
- goto fail_construct;
-
- core_stats->dc = dc;
-
- core_stats->enabled = DAL_STATS_ENABLE_REGKEY_DEFAULT;
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- DAL_STATS_ENABLE_REGKEY,
- &reg_data, sizeof(unsigned int), &flag))
- core_stats->enabled = reg_data;
-
- if (core_stats->enabled) {
- core_stats->entries = DAL_STATS_ENTRIES_REGKEY_DEFAULT;
- if (dm_read_persistent_data(dc->ctx, NULL, NULL,
- DAL_STATS_ENTRIES_REGKEY,
- &reg_data, sizeof(unsigned int), &flag)) {
- if (reg_data > DAL_STATS_ENTRIES_REGKEY_MAX)
- core_stats->entries = DAL_STATS_ENTRIES_REGKEY_MAX;
- else
- core_stats->entries = reg_data;
- }
- core_stats->time = kcalloc(core_stats->entries,
- sizeof(struct stats_time_cache),
- GFP_KERNEL);
-
- if (core_stats->time == NULL)
- goto fail_construct_time;
-
- core_stats->event_entries = DAL_STATS_EVENT_ENTRIES_DEFAULT;
- core_stats->events = kcalloc(core_stats->event_entries,
- sizeof(struct stats_event_cache),
- GFP_KERNEL);
-
- if (core_stats->events == NULL)
- goto fail_construct_events;
-
- } else {
- core_stats->entries = 0;
- }
-
- /* Purposely leave index 0 unused so we don't need special logic to
- * handle calculation cases that depend on previous flip data.
- */
- core_stats->index = 1;
- core_stats->event_index = 0;
-
- // Keeps track of ordering within the different stats structures
- core_stats->entry_id = 0;
-
- return &core_stats->public;
-
-fail_construct_events:
- kfree(core_stats->time);
-
-fail_construct_time:
- kfree(core_stats);
-
-fail_construct:
- return NULL;
-}
-
-void mod_stats_destroy(struct mod_stats *mod_stats)
-{
- if (mod_stats != NULL) {
- struct core_stats *core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- kfree(core_stats->time);
- kfree(core_stats->events);
- kfree(core_stats);
- }
-}
-
-void mod_stats_dump(struct mod_stats *mod_stats)
-{
- struct dc *dc = NULL;
- struct dal_logger *logger = NULL;
- struct core_stats *core_stats = NULL;
- struct stats_time_cache *time = NULL;
- struct stats_event_cache *events = NULL;
- unsigned int time_index = 1;
- unsigned int event_index = 0;
- unsigned int index = 0;
- struct log_entry log_entry;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
- dc = core_stats->dc;
- logger = dc->ctx->logger;
- time = core_stats->time;
- events = core_stats->events;
-
- DISPLAY_STATS_BEGIN(log_entry);
-
- DISPLAY_STATS("==Display Caps==\n");
-
- DISPLAY_STATS("==Display Stats==\n");
-
- DISPLAY_STATS("%10s %10s %10s %10s %10s"
- " %11s %11s %17s %10s %14s"
- " %10s %10s %10s %10s %10s"
- " %10s %10s %10s %10s\n",
- "render", "avgRender",
- "minWindow", "midPoint", "maxWindow",
- "vsyncToFlip", "flipToVsync", "vsyncsBetweenFlip",
- "numFrame", "insertDuration",
- "vTotalMin", "vTotalMax", "eventTrigs",
- "vSyncTime1", "vSyncTime2", "vSyncTime3",
- "vSyncTime4", "vSyncTime5", "flags");
-
- for (int i = 0; i < core_stats->entry_id; i++) {
- if (event_index < core_stats->event_index &&
- i == events[event_index].entry_id) {
- DISPLAY_STATS("==Event==%s\n", events[event_index].event_string);
- event_index++;
- } else if (time_index < core_stats->index &&
- i == time[time_index].entry_id) {
- DISPLAY_STATS("%10u %10u %10u %10u %10u"
- " %11u %11u %17u %10u %14u"
- " %10u %10u %10u %10u %10u"
- " %10u %10u %10u %10u\n",
- time[time_index].render_time_in_us,
- time[time_index].avg_render_time_in_us_last_ten,
- time[time_index].min_window,
- time[time_index].lfc_mid_point_in_us,
- time[time_index].max_window,
- time[time_index].vsync_to_flip_time_in_us,
- time[time_index].flip_to_vsync_time_in_us,
- time[time_index].num_vsync_between_flips,
- time[time_index].num_frames_inserted,
- time[time_index].inserted_duration_in_us,
- time[time_index].v_total_min,
- time[time_index].v_total_max,
- time[time_index].event_triggers,
- time[time_index].v_sync_time_in_us[0],
- time[time_index].v_sync_time_in_us[1],
- time[time_index].v_sync_time_in_us[2],
- time[time_index].v_sync_time_in_us[3],
- time[time_index].v_sync_time_in_us[4],
- time[time_index].flags);
-
- time_index++;
- }
- }
-
- DISPLAY_STATS_END(log_entry);
-}
-
-void mod_stats_reset_data(struct mod_stats *mod_stats)
-{
- struct core_stats *core_stats = NULL;
- struct stats_time_cache *time = NULL;
- unsigned int index = 0;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- memset(core_stats->time, 0,
- sizeof(struct stats_time_cache) * core_stats->entries);
-
- memset(core_stats->events, 0,
- sizeof(struct stats_event_cache) * core_stats->event_entries);
-
- core_stats->index = 1;
- core_stats->event_index = 0;
-
- // Keeps track of ordering within the different stats structures
- core_stats->entry_id = 0;
-}
-
-void mod_stats_update_event(struct mod_stats *mod_stats,
- char *event_string,
- unsigned int length)
-{
- struct core_stats *core_stats = NULL;
- struct stats_event_cache *events = NULL;
- unsigned int index = 0;
- unsigned int copy_length = 0;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- if (core_stats->event_index >= core_stats->event_entries)
- return;
-
- events = core_stats->events;
- index = core_stats->event_index;
-
- copy_length = length;
- if (length > MOD_STATS_EVENT_STRING_MAX)
- copy_length = MOD_STATS_EVENT_STRING_MAX;
-
- memcpy(&events[index].event_string, event_string, copy_length);
- events[index].event_string[copy_length - 1] = '\0';
-
- events[index].entry_id = core_stats->entry_id;
- core_stats->event_index++;
- core_stats->entry_id++;
-}
-
-void mod_stats_update_flip(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns)
-{
- struct core_stats *core_stats = NULL;
- struct stats_time_cache *time = NULL;
- unsigned int index = 0;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- if (core_stats->index >= core_stats->entries)
- return;
-
- time = core_stats->time;
- index = core_stats->index;
-
- time[index].flip_timestamp_in_ns = timestamp_in_ns;
- time[index].render_time_in_us =
- (timestamp_in_ns - time[index - 1].flip_timestamp_in_ns) / 1000;
-
- if (index >= 10) {
- for (unsigned int i = 0; i < 10; i++)
- time[index].avg_render_time_in_us_last_ten +=
- time[index - i].render_time_in_us;
- time[index].avg_render_time_in_us_last_ten /= 10;
- }
-
- if (time[index].num_vsync_between_flips > 0)
- time[index].vsync_to_flip_time_in_us =
- (timestamp_in_ns -
- time[index].vupdate_timestamp_in_ns) / 1000;
- else
- time[index].vsync_to_flip_time_in_us =
- (timestamp_in_ns -
- time[index - 1].vupdate_timestamp_in_ns) / 1000;
-
- time[index].entry_id = core_stats->entry_id;
- core_stats->index++;
- core_stats->entry_id++;
-}
-
-void mod_stats_update_vupdate(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns)
-{
- struct core_stats *core_stats = NULL;
- struct stats_time_cache *time = NULL;
- unsigned int index = 0;
- unsigned int num_vsyncs = 0;
- unsigned int prev_vsync_in_ns = 0;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- if (core_stats->index >= core_stats->entries)
- return;
-
- time = core_stats->time;
- index = core_stats->index;
- num_vsyncs = time[index].num_vsync_between_flips;
-
- if (num_vsyncs < MOD_STATS_NUM_VSYNCS) {
- if (num_vsyncs == 0) {
- prev_vsync_in_ns =
- time[index - 1].vupdate_timestamp_in_ns;
-
- time[index].flip_to_vsync_time_in_us =
- (timestamp_in_ns -
- time[index - 1].flip_timestamp_in_ns) /
- 1000;
- } else {
- prev_vsync_in_ns =
- time[index].vupdate_timestamp_in_ns;
- }
-
- time[index].v_sync_time_in_us[num_vsyncs] =
- (timestamp_in_ns - prev_vsync_in_ns) / 1000;
- }
-
- time[index].vupdate_timestamp_in_ns = timestamp_in_ns;
- time[index].num_vsync_between_flips++;
-}
-
-void mod_stats_update_freesync(struct mod_stats *mod_stats,
- unsigned int v_total_min,
- unsigned int v_total_max,
- unsigned int event_triggers,
- unsigned int window_min,
- unsigned int window_max,
- unsigned int lfc_mid_point_in_us,
- unsigned int inserted_frames,
- unsigned int inserted_duration_in_us)
-{
- struct core_stats *core_stats = NULL;
- struct stats_time_cache *time = NULL;
- unsigned int index = 0;
-
- if (mod_stats == NULL)
- return;
-
- core_stats = MOD_STATS_TO_CORE(mod_stats);
-
- if (core_stats->index >= core_stats->entries)
- return;
-
- time = core_stats->time;
- index = core_stats->index;
-
- time[index].v_total_min = v_total_min;
- time[index].v_total_max = v_total_max;
- time[index].event_triggers = event_triggers;
- time[index].min_window = window_min;
- time[index].max_window = window_max;
- time[index].lfc_mid_point_in_us = lfc_mid_point_in_us;
- time[index].num_frames_inserted = inserted_frames;
- time[index].inserted_duration_in_us = inserted_duration_in_us;
-}
-
diff --git a/drivers/gpu/drm/amd/display/modules/vmid/vmid.c b/drivers/gpu/drm/amd/display/modules/vmid/vmid.c
index 00f132f8ad55..61ee4be35d27 100644
--- a/drivers/gpu/drm/amd/display/modules/vmid/vmid.c
+++ b/drivers/gpu/drm/amd/display/modules/vmid/vmid.c
@@ -112,9 +112,12 @@ uint8_t mod_vmid_get_for_ptb(struct mod_vmid *mod_vmid, uint64_t ptb)
evict_vmids(core_vmid);
vmid = get_next_available_vmid(core_vmid);
- add_ptb_to_table(core_vmid, vmid, ptb);
+ if (vmid != -1) {
+ add_ptb_to_table(core_vmid, vmid, ptb);
- dc_setup_vm_context(core_vmid->dc, &va_config, vmid);
+ dc_setup_vm_context(core_vmid->dc, &va_config, vmid);
+ } else
+ ASSERT(0);
}
return vmid;
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index d655a76bedc6..e98c84ef206f 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -40,6 +40,13 @@ enum amd_chip_flags {
AMD_EXP_HW_SUPPORT = 0x00080000UL,
};
+enum amd_apu_flags {
+ AMD_APU_IS_RAVEN = 0x00000001UL,
+ AMD_APU_IS_RAVEN2 = 0x00000002UL,
+ AMD_APU_IS_PICASSO = 0x00000004UL,
+ AMD_APU_IS_RENOIR = 0x00000008UL,
+};
+
enum amd_ip_block_type {
AMD_IP_BLOCK_TYPE_COMMON,
AMD_IP_BLOCK_TYPE_GMC,
@@ -150,6 +157,13 @@ enum DC_FEATURE_MASK {
DC_PSR_MASK = 0x8,
};
+enum DC_DEBUG_MASK {
+ DC_DISABLE_PIPE_SPLIT = 0x1,
+ DC_DISABLE_STUTTER = 0x2,
+ DC_DISABLE_DSC = 0x4,
+ DC_DISABLE_CLOCK_GATING = 0x8
+};
+
enum amd_dpm_forced_level;
/**
* struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks
diff --git a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_sh_mask.h
index e7db6f9f9c86..8b0b9a2a8fed 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_sh_mask.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/gc/gc_10_1_0_sh_mask.h
@@ -5599,6 +5599,7 @@
#define GRBM_PWR_CNTL__ALL_REQ_EN_MASK 0x00008000L
//GRBM_STATUS
#define GRBM_STATUS__ME0PIPE0_CMDFIFO_AVAIL__SHIFT 0x0
+#define GRBM_STATUS__RSMU_RQ_PENDING__SHIFT 0x5
#define GRBM_STATUS__ME0PIPE0_CF_RQ_PENDING__SHIFT 0x7
#define GRBM_STATUS__ME0PIPE0_PF_RQ_PENDING__SHIFT 0x8
#define GRBM_STATUS__GDS_DMA_RQ_PENDING__SHIFT 0x9
@@ -5619,6 +5620,7 @@
#define GRBM_STATUS__CB_BUSY__SHIFT 0x1e
#define GRBM_STATUS__GUI_ACTIVE__SHIFT 0x1f
#define GRBM_STATUS__ME0PIPE0_CMDFIFO_AVAIL_MASK 0x0000000FL
+#define GRBM_STATUS__RSMU_RQ_PENDING_MASK 0x00000020L
#define GRBM_STATUS__ME0PIPE0_CF_RQ_PENDING_MASK 0x00000080L
#define GRBM_STATUS__ME0PIPE0_PF_RQ_PENDING_MASK 0x00000100L
#define GRBM_STATUS__GDS_DMA_RQ_PENDING_MASK 0x00000200L
@@ -5832,6 +5834,7 @@
#define GRBM_READ_ERROR__READ_ERROR_MASK 0x80000000L
//GRBM_READ_ERROR2
#define GRBM_READ_ERROR2__READ_REQUESTER_CPF__SHIFT 0x10
+#define GRBM_READ_ERROR2__READ_REQUESTER_RSMU__SHIFT 0x11
#define GRBM_READ_ERROR2__READ_REQUESTER_RLC__SHIFT 0x12
#define GRBM_READ_ERROR2__READ_REQUESTER_GDS_DMA__SHIFT 0x13
#define GRBM_READ_ERROR2__READ_REQUESTER_ME0PIPE0_CF__SHIFT 0x14
@@ -5847,6 +5850,7 @@
#define GRBM_READ_ERROR2__READ_REQUESTER_ME2PIPE2__SHIFT 0x1e
#define GRBM_READ_ERROR2__READ_REQUESTER_ME2PIPE3__SHIFT 0x1f
#define GRBM_READ_ERROR2__READ_REQUESTER_CPF_MASK 0x00010000L
+#define GRBM_READ_ERROR2__READ_REQUESTER_RSMU_MASK 0x00020000L
#define GRBM_READ_ERROR2__READ_REQUESTER_RLC_MASK 0x00040000L
#define GRBM_READ_ERROR2__READ_REQUESTER_GDS_DMA_MASK 0x00080000L
#define GRBM_READ_ERROR2__READ_REQUESTER_ME0PIPE0_CF_MASK 0x00100000L
diff --git a/drivers/gpu/drm/amd/include/asic_reg/nbif/nbif_6_1_offset.h b/drivers/gpu/drm/amd/include/asic_reg/nbif/nbif_6_1_offset.h
index 68d0ffad28c7..92fd27c26a77 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/nbif/nbif_6_1_offset.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/nbif/nbif_6_1_offset.h
@@ -1162,8 +1162,10 @@
#define mmRCC_CONFIG_MEMSIZE_BASE_IDX 0
#define mmRCC_CONFIG_RESERVED 0x0de4 // duplicate
#define mmRCC_CONFIG_RESERVED_BASE_IDX 0
+#ifndef mmRCC_IOV_FUNC_IDENTIFIER
#define mmRCC_IOV_FUNC_IDENTIFIER 0x0de5 // duplicate
#define mmRCC_IOV_FUNC_IDENTIFIER_BASE_IDX 0
+#endif
// addressBlock: syshub_mmreg_ind_syshubdec
diff --git a/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_offset.h
index 435462294fbc..a7cd760ebf8f 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_offset.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_0_offset.h
@@ -4251,8 +4251,10 @@
#define mmRCC_CONFIG_MEMSIZE_BASE_IDX 2
#define mmRCC_CONFIG_RESERVED 0x00c4
#define mmRCC_CONFIG_RESERVED_BASE_IDX 2
+#ifndef mmRCC_IOV_FUNC_IDENTIFIER
#define mmRCC_IOV_FUNC_IDENTIFIER 0x00c5
#define mmRCC_IOV_FUNC_IDENTIFIER_BASE_IDX 2
+#endif
// addressBlock: nbio_nbif0_rcc_dev0_BIFDEC1
diff --git a/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_4_offset.h b/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_4_offset.h
index ce5830ebe095..0c5a08bc034a 100644
--- a/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_4_offset.h
+++ b/drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_4_offset.h
@@ -2687,8 +2687,10 @@
#define mmRCC_CONFIG_MEMSIZE_BASE_IDX 2
#define mmRCC_CONFIG_RESERVED 0x00c4
#define mmRCC_CONFIG_RESERVED_BASE_IDX 2
+#ifndef mmRCC_IOV_FUNC_IDENTIFIER
#define mmRCC_IOV_FUNC_IDENTIFIER 0x00c5
#define mmRCC_IOV_FUNC_IDENTIFIER_BASE_IDX 2
+#endif
// addressBlock: nbio_nbif0_rcc_dev0_BIFDEC1
diff --git a/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_offset.h
new file mode 100644
index 000000000000..e87c359ea1fe
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_offset.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _pwr_10_0_OFFSET_HEADER
+#define _pwr_10_0_OFFSET_HEADER
+
+#define mmPWR_MISC_CNTL_STATUS 0x0183
+#define mmPWR_MISC_CNTL_STATUS_BASE_IDX 0
+
+#endif
diff --git a/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_sh_mask.h
new file mode 100644
index 000000000000..8a000c21651c
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/asic_reg/pwr/pwr_10_0_sh_mask.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _pwr_10_0_SH_MASK_HEADER
+#define _pwr_10_0_SH_MASK_HEADER
+
+//PWR_MISC_CNTL_STATUS
+#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN__SHIFT 0x0
+#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS__SHIFT 0x1
+#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN_MASK 0x00000001L
+#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS_MASK 0x00000006L
+
+#endif
diff --git a/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_offset.h b/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_offset.h
new file mode 100644
index 000000000000..9bf73284ad73
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_offset.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _smuio_12_0_0_OFFSET_HEADER
+#define _smuio_12_0_0_OFFSET_HEADER
+
+#define mmSMUIO_GFX_MISC_CNTL 0x00c8
+#define mmSMUIO_GFX_MISC_CNTL_BASE_IDX 0
+
+#define mmPWR_MISC_CNTL_STATUS 0x0183
+#define mmPWR_MISC_CNTL_STATUS_BASE_IDX 1
+
+#endif
diff --git a/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_sh_mask.h b/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_sh_mask.h
new file mode 100644
index 000000000000..26556fa3d054
--- /dev/null
+++ b/drivers/gpu/drm/amd/include/asic_reg/smuio/smuio_12_0_0_sh_mask.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef _smuio_12_0_0_SH_MASK_HEADER
+#define _smuio_12_0_0_SH_MASK_HEADER
+
+//SMUIO_GFX_MISC_CNTL
+#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK 0x00000006L
+#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT 0x1
+//PWR_MISC_CNTL_STATUS
+#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN__SHIFT 0x0
+#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS__SHIFT 0x1
+#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN_MASK 0x00000001L
+#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS_MASK 0x00000006L
+
+#endif
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index 70146518174c..b36ea8340afa 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -972,11 +972,13 @@ struct atom_ext_display_path
};
//usCaps
-enum ext_display_path_cap_def
-{
- EXT_DISPLAY_PATH_CAPS__HBR2_DISABLE =0x0001,
- EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN =0x0002,
- EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK =0x007C,
+enum ext_display_path_cap_def {
+ EXT_DISPLAY_PATH_CAPS__HBR2_DISABLE = 0x0001,
+ EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN = 0x0002,
+ EXT_DISPLAY_PATH_CAPS__EXT_CHIP_MASK = 0x007C,
+ EXT_DISPLAY_PATH_CAPS__HDMI20_PI3EQX1204 = (0x01 << 2), //PI redriver chip
+ EXT_DISPLAY_PATH_CAPS__HDMI20_TISN65DP159RSBT = (0x02 << 2), //TI retimer chip
+ EXT_DISPLAY_PATH_CAPS__HDMI20_PARADE_PS175 = (0x03 << 2) //Parade DP->HDMI recoverter chip
};
struct atom_external_display_connection_info
@@ -1876,6 +1878,108 @@ struct atom_smc_dpm_info_v4_6
uint32_t boardreserved[10];
};
+struct atom_smc_dpm_info_v4_7
+{
+ struct atom_common_table_header table_header;
+ // SECTION: BOARD PARAMETERS
+ // I2C Control
+ struct smudpm_i2c_controller_config_v2 I2cControllers[8];
+
+ // SVI2 Board Parameters
+ uint16_t MaxVoltageStepGfx; // In mV(Q2) Max voltage step that SMU will request. Multiple steps are taken if voltage change exceeds this value.
+ uint16_t MaxVoltageStepSoc; // In mV(Q2) Max voltage step that SMU will request. Multiple steps are taken if voltage change exceeds this value.
+
+ uint8_t VddGfxVrMapping; // Use VR_MAPPING* bitfields
+ uint8_t VddSocVrMapping; // Use VR_MAPPING* bitfields
+ uint8_t VddMem0VrMapping; // Use VR_MAPPING* bitfields
+ uint8_t VddMem1VrMapping; // Use VR_MAPPING* bitfields
+
+ uint8_t GfxUlvPhaseSheddingMask; // set this to 1 to set PSI0/1 to 1 in ULV mode
+ uint8_t SocUlvPhaseSheddingMask; // set this to 1 to set PSI0/1 to 1 in ULV mode
+ uint8_t ExternalSensorPresent; // External RDI connected to TMON (aka TEMP IN)
+ uint8_t Padding8_V;
+
+ // Telemetry Settings
+ uint16_t GfxMaxCurrent; // in Amps
+ uint8_t GfxOffset; // in Amps
+ uint8_t Padding_TelemetryGfx;
+ uint16_t SocMaxCurrent; // in Amps
+ uint8_t SocOffset; // in Amps
+ uint8_t Padding_TelemetrySoc;
+
+ uint16_t Mem0MaxCurrent; // in Amps
+ uint8_t Mem0Offset; // in Amps
+ uint8_t Padding_TelemetryMem0;
+
+ uint16_t Mem1MaxCurrent; // in Amps
+ uint8_t Mem1Offset; // in Amps
+ uint8_t Padding_TelemetryMem1;
+
+ // GPIO Settings
+ uint8_t AcDcGpio; // GPIO pin configured for AC/DC switching
+ uint8_t AcDcPolarity; // GPIO polarity for AC/DC switching
+ uint8_t VR0HotGpio; // GPIO pin configured for VR0 HOT event
+ uint8_t VR0HotPolarity; // GPIO polarity for VR0 HOT event
+
+ uint8_t VR1HotGpio; // GPIO pin configured for VR1 HOT event
+ uint8_t VR1HotPolarity; // GPIO polarity for VR1 HOT event
+ uint8_t GthrGpio; // GPIO pin configured for GTHR Event
+ uint8_t GthrPolarity; // replace GPIO polarity for GTHR
+
+ // LED Display Settings
+ uint8_t LedPin0; // GPIO number for LedPin[0]
+ uint8_t LedPin1; // GPIO number for LedPin[1]
+ uint8_t LedPin2; // GPIO number for LedPin[2]
+ uint8_t padding8_4;
+
+ // GFXCLK PLL Spread Spectrum
+ uint8_t PllGfxclkSpreadEnabled; // on or off
+ uint8_t PllGfxclkSpreadPercent; // Q4.4
+ uint16_t PllGfxclkSpreadFreq; // kHz
+
+ // GFXCLK DFLL Spread Spectrum
+ uint8_t DfllGfxclkSpreadEnabled; // on or off
+ uint8_t DfllGfxclkSpreadPercent; // Q4.4
+ uint16_t DfllGfxclkSpreadFreq; // kHz
+
+ // UCLK Spread Spectrum
+ uint8_t UclkSpreadEnabled; // on or off
+ uint8_t UclkSpreadPercent; // Q4.4
+ uint16_t UclkSpreadFreq; // kHz
+
+ // SOCCLK Spread Spectrum
+ uint8_t SoclkSpreadEnabled; // on or off
+ uint8_t SocclkSpreadPercent; // Q4.4
+ uint16_t SocclkSpreadFreq; // kHz
+
+ // Total board power
+ uint16_t TotalBoardPower; //Only needed for TCP Estimated case, where TCP = TGP+Total Board Power
+ uint16_t BoardPadding;
+
+ // Mvdd Svi2 Div Ratio Setting
+ uint32_t MvddRatio; // This is used for MVDD Vid workaround. It has 16 fractional bits (Q16.16)
+
+ // GPIO pins for I2C communications with 2nd controller for Input Telemetry Sequence
+ uint8_t GpioI2cScl; // Serial Clock
+ uint8_t GpioI2cSda; // Serial Data
+ uint16_t GpioPadding;
+
+ // Additional LED Display Settings
+ uint8_t LedPin3; // GPIO number for LedPin[3] - PCIE GEN Speed
+ uint8_t LedPin4; // GPIO number for LedPin[4] - PMFW Error Status
+ uint16_t LedEnableMask;
+
+ // Power Limit Scalars
+ uint8_t PowerLimitScalar[4]; //[PPT_THROTTLER_COUNT]
+
+ uint8_t MvddUlvPhaseSheddingMask;
+ uint8_t VddciUlvPhaseSheddingMask;
+ uint8_t Padding8_Psi1;
+ uint8_t Padding8_Psi2;
+
+ uint32_t BoardReserved[5];
+};
+
/*
***************************************************************************
Data Table asic_profiling_info structure
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index a69deb3a2ac0..60a6536ff656 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -32,7 +32,6 @@ struct cgs_device;
* enum cgs_ind_reg - Indirect register spaces
*/
enum cgs_ind_reg {
- CGS_IND_REG__MMIO,
CGS_IND_REG__PCIE,
CGS_IND_REG__SMC,
CGS_IND_REG__UVD_CTX,
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 2a12614a12c2..7e6dcdf7df73 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -50,6 +50,7 @@ static int amd_powerplay_create(struct amdgpu_device *adev)
hwmgr->not_vf = !amdgpu_sriov_vf(adev);
hwmgr->device = amdgpu_cgs_create_device(adev);
mutex_init(&hwmgr->smu_lock);
+ mutex_init(&hwmgr->msg_lock);
hwmgr->chip_family = adev->family;
hwmgr->chip_id = adev->asic_type;
hwmgr->feature_mask = adev->pm.pp_feature;
@@ -64,6 +65,8 @@ static void amd_powerplay_destroy(struct amdgpu_device *adev)
{
struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+ mutex_destroy(&hwmgr->msg_lock);
+
kfree(hwmgr->hardcode_pp_table);
hwmgr->hardcode_pp_table = NULL;
@@ -319,12 +322,12 @@ static void pp_dpm_en_umd_pstate(struct pp_hwmgr *hwmgr,
if (*level & profile_mode_mask) {
hwmgr->saved_dpm_level = hwmgr->dpm_level;
hwmgr->en_umd_pstate = true;
- amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_CG_STATE_UNGATE);
amdgpu_device_ip_set_powergating_state(hwmgr->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
+ amdgpu_device_ip_set_clockgating_state(hwmgr->adev,
+ AMD_IP_BLOCK_TYPE_GFX,
+ AMD_CG_STATE_UNGATE);
}
} else {
/* exit umd pstate, restore level, enable gfx cg*/
@@ -1435,7 +1438,8 @@ static int pp_get_asic_baco_capability(void *handle, bool *cap)
if (!hwmgr)
return -EINVAL;
- if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_capability)
+ if (!(hwmgr->not_vf && amdgpu_dpm) ||
+ !hwmgr->hwmgr_func->get_asic_baco_capability)
return 0;
mutex_lock(&hwmgr->smu_lock);
@@ -1452,8 +1456,7 @@ static int pp_get_asic_baco_state(void *handle, int *state)
if (!hwmgr)
return -EINVAL;
- if (!(hwmgr->not_vf && amdgpu_dpm) ||
- !hwmgr->hwmgr_func->get_asic_baco_state)
+ if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_state)
return 0;
mutex_lock(&hwmgr->smu_lock);
@@ -1470,7 +1473,8 @@ static int pp_set_asic_baco_state(void *handle, int state)
if (!hwmgr)
return -EINVAL;
- if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_asic_baco_state)
+ if (!(hwmgr->not_vf && amdgpu_dpm) ||
+ !hwmgr->hwmgr_func->set_asic_baco_state)
return 0;
mutex_lock(&hwmgr->smu_lock);
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index e8b27fab6aa1..8c684a6e0156 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -62,6 +62,7 @@ const char *smu_get_feature_name(struct smu_context *smu, enum smu_feature_mask
size_t smu_sys_get_pp_feature_mask(struct smu_context *smu, char *buf)
{
+ struct amdgpu_device *adev = smu->adev;
size_t size = 0;
int ret = 0, i = 0;
uint32_t feature_mask[2] = { 0 };
@@ -70,6 +71,9 @@ size_t smu_sys_get_pp_feature_mask(struct smu_context *smu, char *buf)
uint32_t sort_feature[SMU_FEATURE_COUNT];
uint64_t hw_feature_count = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
@@ -110,9 +114,6 @@ static int smu_feature_update_enable_state(struct smu_context *smu,
uint32_t feature_low = 0, feature_high = 0;
int ret = 0;
- if (!smu->pm_enabled)
- return ret;
-
feature_low = (feature_mask >> 0 ) & 0xffffffff;
feature_high = (feature_mask >> 32) & 0xffffffff;
@@ -155,6 +156,10 @@ int smu_sys_set_pp_feature_mask(struct smu_context *smu, uint64_t new_mask)
uint64_t feature_2_enabled = 0;
uint64_t feature_2_disabled = 0;
uint64_t feature_enables = 0;
+ struct amdgpu_device *adev = smu->adev;
+
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
mutex_lock(&smu->mutex);
@@ -191,16 +196,31 @@ int smu_get_smc_version(struct smu_context *smu, uint32_t *if_version, uint32_t
if (!if_version && !smu_version)
return -EINVAL;
+ if (smu->smc_fw_if_version && smu->smc_fw_version)
+ {
+ if (if_version)
+ *if_version = smu->smc_fw_if_version;
+
+ if (smu_version)
+ *smu_version = smu->smc_fw_version;
+
+ return 0;
+ }
+
if (if_version) {
ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion, if_version);
if (ret)
return ret;
+
+ smu->smc_fw_if_version = *if_version;
}
if (smu_version) {
ret = smu_send_smc_msg(smu, SMU_MSG_GetSmuVersion, smu_version);
if (ret)
return ret;
+
+ smu->smc_fw_version = *smu_version;
}
return ret;
@@ -327,13 +347,13 @@ int smu_get_dpm_freq_by_index(struct smu_context *smu, enum smu_clk_type clk_typ
param = (uint32_t)(((clk_id & 0xffff) << 16) | (level & 0xffff));
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_GetDpmFreqByIndex,
- param, &param);
+ param, value);
if (ret)
return ret;
/* BIT31: 0 - Fine grained DPM, 1 - Dicrete DPM
* now, we un-support it */
- *value = param & 0x7fffffff;
+ *value = *value & 0x7fffffff;
return ret;
}
@@ -417,8 +437,12 @@ bool smu_clk_dpm_is_enabled(struct smu_context *smu, enum smu_clk_type clk_type)
int smu_dpm_set_power_gate(struct smu_context *smu, uint32_t block_type,
bool gate)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
switch (block_type) {
case AMD_IP_BLOCK_TYPE_UVD:
ret = smu_dpm_set_uvd_enable(smu, !gate);
@@ -511,7 +535,6 @@ int smu_update_table(struct smu_context *smu, enum smu_table_id table_index, int
int table_id = smu_table_get_index(smu, table_index);
uint32_t table_size;
int ret = 0;
-
if (!table_data || table_id >= SMU_TABLE_COUNT || table_id < 0)
return -EINVAL;
@@ -547,12 +570,10 @@ bool is_support_sw_smu(struct amdgpu_device *adev)
if (adev->asic_type == CHIP_VEGA20)
return (amdgpu_dpm == 2) ? true : false;
else if (adev->asic_type >= CHIP_ARCTURUS) {
- if (amdgpu_sriov_vf(adev)&& !amdgpu_sriov_is_pp_one_vf(adev))
- return false;
- else
+ if (amdgpu_sriov_is_pp_one_vf(adev) || !amdgpu_sriov_vf(adev))
return true;
- } else
- return false;
+ }
+ return false;
}
bool is_support_sw_smu_xgmi(struct amdgpu_device *adev)
@@ -569,8 +590,12 @@ bool is_support_sw_smu_xgmi(struct amdgpu_device *adev)
int smu_sys_get_pp_table(struct smu_context *smu, void **table)
{
struct smu_table_context *smu_table = &smu->smu_table;
+ struct amdgpu_device *adev = smu->adev;
uint32_t powerplay_table_size;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (!smu_table->power_play_table && !smu_table->hardcode_pptable)
return -EINVAL;
@@ -591,11 +616,13 @@ int smu_sys_get_pp_table(struct smu_context *smu, void **table)
int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size)
{
struct smu_table_context *smu_table = &smu->smu_table;
+ struct amdgpu_device *adev = smu->adev;
ATOM_COMMON_TABLE_HEADER *header = (ATOM_COMMON_TABLE_HEADER *)buf;
int ret = 0;
- if (!smu->pm_enabled)
+ if (!adev->pm.dpm_enabled)
return -EINVAL;
+
if (header->usStructureSize != size) {
pr_err("pp table size not matched !\n");
return -EIO;
@@ -636,8 +663,6 @@ int smu_feature_init_dpm(struct smu_context *smu)
int ret = 0;
uint32_t allowed_feature_mask[SMU_FEATURE_MAX/32];
- if (!smu->pm_enabled)
- return ret;
mutex_lock(&feature->mutex);
bitmap_zero(feature->allowed, SMU_FEATURE_MAX);
mutex_unlock(&feature->mutex);
@@ -665,7 +690,6 @@ int smu_feature_is_enabled(struct smu_context *smu, enum smu_feature_mask mask)
if (smu->is_apu)
return 1;
-
feature_id = smu_feature_get_index(smu, mask);
if (feature_id < 0)
return 0;
@@ -932,13 +956,6 @@ static int smu_sw_init(void *handle)
return ret;
}
- if (adev->smu.ppt_funcs->i2c_eeprom_init) {
- ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
-
- if (ret)
- return ret;
- }
-
return 0;
}
@@ -948,9 +965,6 @@ static int smu_sw_fini(void *handle)
struct smu_context *smu = &adev->smu;
int ret;
- if (adev->smu.ppt_funcs->i2c_eeprom_fini)
- smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
-
kfree(smu->irq_source);
smu->irq_source = NULL;
@@ -1323,6 +1337,9 @@ static int smu_hw_init(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct smu_context *smu = &adev->smu;
+ if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
+ return 0;
+
ret = smu_start_smc_engine(smu);
if (ret) {
pr_err("SMU is not ready yet!\n");
@@ -1336,9 +1353,6 @@ static int smu_hw_init(void *handle)
smu_set_gfx_cgpg(&adev->smu, true);
}
- if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
- return 0;
-
if (!smu->pm_enabled)
return 0;
@@ -1366,10 +1380,11 @@ static int smu_hw_init(void *handle)
if (ret)
goto failed;
- if (!smu->pm_enabled)
- adev->pm.dpm_enabled = false;
- else
- adev->pm.dpm_enabled = true; /* TODO: will set dpm_enabled flag while VCN and DAL DPM is workable */
+ ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
+ if (ret)
+ goto failed;
+
+ adev->pm.dpm_enabled = true;
pr_info("SMU is initialized successfully!\n");
@@ -1381,6 +1396,9 @@ failed:
static int smu_stop_dpms(struct smu_context *smu)
{
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
return smu_system_features_control(smu, false);
}
@@ -1403,6 +1421,10 @@ static int smu_hw_fini(void *handle)
if (!smu->pm_enabled)
return 0;
+ adev->pm.dpm_enabled = false;
+
+ smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
+
if (!amdgpu_sriov_vf(adev)){
ret = smu_stop_thermal_control(smu);
if (ret) {
@@ -1476,7 +1498,7 @@ static int smu_disable_dpm(struct smu_context *smu)
bool use_baco = !smu->is_apu &&
((adev->in_gpu_reset &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
- (adev->in_runpm && amdgpu_asic_supports_baco(adev)));
+ ((adev->in_runpm || adev->in_hibernate) && amdgpu_asic_supports_baco(adev)));
ret = smu_get_smc_version(smu, NULL, &smu_version);
if (ret) {
@@ -1542,6 +1564,10 @@ static int smu_suspend(void *handle)
if (!smu->pm_enabled)
return 0;
+ adev->pm.dpm_enabled = false;
+
+ smu_i2c_eeprom_fini(smu, &adev->pm.smu_i2c);
+
if(!amdgpu_sriov_vf(adev)) {
ret = smu_disable_dpm(smu);
if (ret)
@@ -1587,11 +1613,17 @@ static int smu_resume(void *handle)
if (ret)
goto failed;
+ ret = smu_i2c_eeprom_init(smu, &adev->pm.smu_i2c);
+ if (ret)
+ goto failed;
+
if (smu->is_apu)
smu_set_gfx_cgpg(&adev->smu, true);
smu->disable_uclk_switch = 0;
+ adev->pm.dpm_enabled = true;
+
pr_info("SMU is resumed successfully!\n");
return 0;
@@ -1603,10 +1635,14 @@ failed:
int smu_display_configuration_change(struct smu_context *smu,
const struct amd_pp_display_configuration *display_config)
{
+ struct amdgpu_device *adev = smu->adev;
int index = 0;
int num_of_active_display = 0;
- if (!smu->pm_enabled || !is_support_sw_smu(smu->adev))
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
+ if (!is_support_sw_smu(smu->adev))
return -EINVAL;
if (!display_config)
@@ -1668,12 +1704,16 @@ int smu_get_current_clocks(struct smu_context *smu,
struct amd_pp_clock_info *clocks)
{
struct amd_pp_simple_clock_info simple_clocks = {0};
+ struct amdgpu_device *adev = smu->adev;
struct smu_clock_info hw_clocks;
int ret = 0;
if (!is_support_sw_smu(smu->adev))
return -EINVAL;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
smu_get_dal_power_level(smu, &simple_clocks);
@@ -1736,7 +1776,7 @@ static int smu_enable_umd_pstate(void *handle,
struct smu_context *smu = (struct smu_context*)(handle);
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
- if (!smu->is_apu && (!smu->pm_enabled || !smu_dpm_ctx->dpm_context))
+ if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
return -EINVAL;
if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) {
@@ -1744,12 +1784,12 @@ static int smu_enable_umd_pstate(void *handle,
if (*level & profile_mode_mask) {
smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level;
smu_dpm_ctx->enable_umd_pstate = true;
- amdgpu_device_ip_set_clockgating_state(smu->adev,
- AMD_IP_BLOCK_TYPE_GFX,
- AMD_CG_STATE_UNGATE);
amdgpu_device_ip_set_powergating_state(smu->adev,
AMD_IP_BLOCK_TYPE_GFX,
AMD_PG_STATE_UNGATE);
+ amdgpu_device_ip_set_clockgating_state(smu->adev,
+ AMD_IP_BLOCK_TYPE_GFX,
+ AMD_CG_STATE_UNGATE);
}
} else {
/* exit umd pstate, restore level, enable gfx cg*/
@@ -1778,9 +1818,6 @@ int smu_adjust_power_state_dynamic(struct smu_context *smu,
long workload;
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
- if (!smu->pm_enabled)
- return -EINVAL;
-
if (!skip_display_settings) {
ret = smu_display_config_changed(smu);
if (ret) {
@@ -1831,8 +1868,12 @@ int smu_handle_task(struct smu_context *smu,
enum amd_pp_task task_id,
bool lock_needed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (lock_needed)
mutex_lock(&smu->mutex);
@@ -1866,10 +1907,11 @@ int smu_switch_power_profile(struct smu_context *smu,
bool en)
{
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+ struct amdgpu_device *adev = smu->adev;
long workload;
uint32_t index;
- if (!smu->pm_enabled)
+ if (!adev->pm.dpm_enabled)
return -EINVAL;
if (!(type < PP_SMC_POWER_PROFILE_CUSTOM))
@@ -1900,8 +1942,12 @@ int smu_switch_power_profile(struct smu_context *smu,
enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu)
{
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+ struct amdgpu_device *adev = smu->adev;
enum amd_dpm_forced_level level;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
return -EINVAL;
@@ -1915,8 +1961,12 @@ enum amd_dpm_forced_level smu_get_performance_level(struct smu_context *smu)
int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_level level)
{
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (!smu->is_apu && !smu_dpm_ctx->dpm_context)
return -EINVAL;
@@ -1939,8 +1989,12 @@ int smu_force_performance_level(struct smu_context *smu, enum amd_dpm_forced_lev
int smu_set_display_count(struct smu_context *smu, uint32_t count)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
ret = smu_init_display_count(smu, count);
mutex_unlock(&smu->mutex);
@@ -1954,8 +2008,12 @@ int smu_force_clk_levels(struct smu_context *smu,
bool lock_needed)
{
struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm);
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (smu_dpm_ctx->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) {
pr_debug("force clock level is for dpm manual mode only.\n");
return -EINVAL;
@@ -1973,20 +2031,19 @@ int smu_force_clk_levels(struct smu_context *smu,
return ret;
}
+/*
+ * On system suspending or resetting, the dpm_enabled
+ * flag will be cleared. So that those SMU services which
+ * are not supported will be gated.
+ * However, the mp1 state setting should still be granted
+ * even if the dpm_enabled cleared.
+ */
int smu_set_mp1_state(struct smu_context *smu,
enum pp_mp1_state mp1_state)
{
uint16_t msg;
int ret;
- /*
- * The SMC is not fully ready. That may be
- * expected as the IP may be masked.
- * So, just return without error.
- */
- if (!smu->pm_enabled)
- return 0;
-
mutex_lock(&smu->mutex);
switch (mp1_state) {
@@ -2023,15 +2080,11 @@ int smu_set_mp1_state(struct smu_context *smu,
int smu_set_df_cstate(struct smu_context *smu,
enum pp_df_cstate state)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
- /*
- * The SMC is not fully ready. That may be
- * expected as the IP may be masked.
- * So, just return without error.
- */
- if (!smu->pm_enabled)
- return 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
if (!smu->ppt_funcs || !smu->ppt_funcs->set_df_cstate)
return 0;
@@ -2047,6 +2100,28 @@ int smu_set_df_cstate(struct smu_context *smu,
return ret;
}
+int smu_allow_xgmi_power_down(struct smu_context *smu, bool en)
+{
+ struct amdgpu_device *adev = smu->adev;
+ int ret = 0;
+
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
+ if (!smu->ppt_funcs || !smu->ppt_funcs->allow_xgmi_power_down)
+ return 0;
+
+ mutex_lock(&smu->mutex);
+
+ ret = smu->ppt_funcs->allow_xgmi_power_down(smu, en);
+ if (ret)
+ pr_err("[AllowXgmiPowerDown] failed!\n");
+
+ mutex_unlock(&smu->mutex);
+
+ return ret;
+}
+
int smu_write_watermarks_table(struct smu_context *smu)
{
void *watermarks_table = smu->smu_table.watermarks_table;
@@ -2065,6 +2140,10 @@ int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,
struct dm_pp_wm_sets_with_clock_ranges_soc15 *clock_ranges)
{
void *table = smu->smu_table.watermarks_table;
+ struct amdgpu_device *adev = smu->adev;
+
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
if (!table)
return -EINVAL;
@@ -2089,8 +2168,12 @@ int smu_set_watermarks_for_clock_ranges(struct smu_context *smu,
int smu_set_ac_dc(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
/* controlled by firmware */
if (smu->dc_controlled_by_gpio)
return 0;
@@ -2149,8 +2232,12 @@ const struct amdgpu_ip_block_version smu_v12_0_ip_block =
int smu_load_microcode(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->load_microcode)
@@ -2163,8 +2250,12 @@ int smu_load_microcode(struct smu_context *smu)
int smu_check_fw_status(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->check_fw_status)
@@ -2191,8 +2282,12 @@ int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled)
int smu_set_fan_speed_rpm(struct smu_context *smu, uint32_t speed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_fan_speed_rpm)
@@ -2208,10 +2303,15 @@ int smu_get_power_limit(struct smu_context *smu,
bool def,
bool lock_needed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
- if (lock_needed)
+ if (lock_needed) {
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
+ }
if (smu->ppt_funcs->get_power_limit)
ret = smu->ppt_funcs->get_power_limit(smu, limit, def);
@@ -2224,8 +2324,12 @@ int smu_get_power_limit(struct smu_context *smu,
int smu_set_power_limit(struct smu_context *smu, uint32_t limit)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_power_limit)
@@ -2238,8 +2342,12 @@ int smu_set_power_limit(struct smu_context *smu, uint32_t limit)
int smu_print_clk_levels(struct smu_context *smu, enum smu_clk_type clk_type, char *buf)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->print_clk_levels)
@@ -2252,8 +2360,12 @@ int smu_print_clk_levels(struct smu_context *smu, enum smu_clk_type clk_type, ch
int smu_get_od_percentage(struct smu_context *smu, enum smu_clk_type type)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_od_percentage)
@@ -2266,8 +2378,12 @@ int smu_get_od_percentage(struct smu_context *smu, enum smu_clk_type type)
int smu_set_od_percentage(struct smu_context *smu, enum smu_clk_type type, uint32_t value)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_od_percentage)
@@ -2282,8 +2398,12 @@ int smu_od_edit_dpm_table(struct smu_context *smu,
enum PP_OD_DPM_TABLE_COMMAND type,
long *input, uint32_t size)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->od_edit_dpm_table)
@@ -2298,8 +2418,12 @@ int smu_read_sensor(struct smu_context *smu,
enum amd_pp_sensors sensor,
void *data, uint32_t *size)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->read_sensor)
@@ -2312,8 +2436,12 @@ int smu_read_sensor(struct smu_context *smu,
int smu_get_power_profile_mode(struct smu_context *smu, char *buf)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_power_profile_mode)
@@ -2329,8 +2457,12 @@ int smu_set_power_profile_mode(struct smu_context *smu,
uint32_t param_size,
bool lock_needed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (lock_needed)
mutex_lock(&smu->mutex);
@@ -2346,8 +2478,12 @@ int smu_set_power_profile_mode(struct smu_context *smu,
int smu_get_fan_control_mode(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_fan_control_mode)
@@ -2360,8 +2496,12 @@ int smu_get_fan_control_mode(struct smu_context *smu)
int smu_set_fan_control_mode(struct smu_context *smu, int value)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_fan_control_mode)
@@ -2374,8 +2514,12 @@ int smu_set_fan_control_mode(struct smu_context *smu, int value)
int smu_get_fan_speed_percent(struct smu_context *smu, uint32_t *speed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_fan_speed_percent)
@@ -2388,8 +2532,12 @@ int smu_get_fan_speed_percent(struct smu_context *smu, uint32_t *speed)
int smu_set_fan_speed_percent(struct smu_context *smu, uint32_t speed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_fan_speed_percent)
@@ -2402,8 +2550,12 @@ int smu_set_fan_speed_percent(struct smu_context *smu, uint32_t speed)
int smu_get_fan_speed_rpm(struct smu_context *smu, uint32_t *speed)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_fan_speed_rpm)
@@ -2416,8 +2568,12 @@ int smu_get_fan_speed_rpm(struct smu_context *smu, uint32_t *speed)
int smu_set_deep_sleep_dcefclk(struct smu_context *smu, int clk)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_deep_sleep_dcefclk)
@@ -2430,8 +2586,12 @@ int smu_set_deep_sleep_dcefclk(struct smu_context *smu, int clk)
int smu_set_active_display_count(struct smu_context *smu, uint32_t count)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
if (smu->ppt_funcs->set_active_display_count)
ret = smu->ppt_funcs->set_active_display_count(smu, count);
@@ -2442,8 +2602,12 @@ int smu_get_clock_by_type(struct smu_context *smu,
enum amd_pp_clock_type type,
struct amd_pp_clocks *clocks)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_clock_by_type)
@@ -2457,8 +2621,12 @@ int smu_get_clock_by_type(struct smu_context *smu,
int smu_get_max_high_clocks(struct smu_context *smu,
struct amd_pp_simple_clock_info *clocks)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_max_high_clocks)
@@ -2473,8 +2641,12 @@ int smu_get_clock_by_type_with_latency(struct smu_context *smu,
enum smu_clk_type clk_type,
struct pp_clock_levels_with_latency *clocks)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_clock_by_type_with_latency)
@@ -2489,8 +2661,12 @@ int smu_get_clock_by_type_with_voltage(struct smu_context *smu,
enum amd_pp_clock_type type,
struct pp_clock_levels_with_voltage *clocks)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_clock_by_type_with_voltage)
@@ -2505,8 +2681,12 @@ int smu_get_clock_by_type_with_voltage(struct smu_context *smu,
int smu_display_clock_voltage_request(struct smu_context *smu,
struct pp_display_clock_request *clock_req)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->display_clock_voltage_request)
@@ -2520,8 +2700,12 @@ int smu_display_clock_voltage_request(struct smu_context *smu,
int smu_display_disable_memory_clock_switch(struct smu_context *smu, bool disable_memory_clock_switch)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = -EINVAL;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->display_disable_memory_clock_switch)
@@ -2534,8 +2718,12 @@ int smu_display_disable_memory_clock_switch(struct smu_context *smu, bool disabl
int smu_notify_smu_enable_pwe(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->notify_smu_enable_pwe)
@@ -2549,8 +2737,12 @@ int smu_notify_smu_enable_pwe(struct smu_context *smu)
int smu_set_xgmi_pstate(struct smu_context *smu,
uint32_t pstate)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_xgmi_pstate)
@@ -2563,8 +2755,12 @@ int smu_set_xgmi_pstate(struct smu_context *smu,
int smu_set_azalia_d3_pme(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->set_azalia_d3_pme)
@@ -2575,6 +2771,14 @@ int smu_set_azalia_d3_pme(struct smu_context *smu)
return ret;
}
+/*
+ * On system suspending or resetting, the dpm_enabled
+ * flag will be cleared. So that those SMU services which
+ * are not supported will be gated.
+ *
+ * However, the baco/mode1 reset should still be granted
+ * as they are still supported and necessary.
+ */
bool smu_baco_is_support(struct smu_context *smu)
{
bool ret = false;
@@ -2646,8 +2850,12 @@ int smu_mode2_reset(struct smu_context *smu)
int smu_get_max_sustainable_clocks_by_dc(struct smu_context *smu,
struct pp_smu_nv_clock_table *max_clocks)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_max_sustainable_clocks_by_dc)
@@ -2662,8 +2870,12 @@ int smu_get_uclk_dpm_states(struct smu_context *smu,
unsigned int *clock_values_in_khz,
unsigned int *num_states)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_uclk_dpm_states)
@@ -2677,6 +2889,10 @@ int smu_get_uclk_dpm_states(struct smu_context *smu,
enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
{
enum amd_pm_state_type pm_state = POWER_STATE_TYPE_DEFAULT;
+ struct amdgpu_device *adev = smu->adev;
+
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
mutex_lock(&smu->mutex);
@@ -2691,8 +2907,12 @@ enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
int smu_get_dpm_clock_table(struct smu_context *smu,
struct dpm_clocks *clock_table)
{
+ struct amdgpu_device *adev = smu->adev;
int ret = 0;
+ if (!adev->pm.dpm_enabled)
+ return -EINVAL;
+
mutex_lock(&smu->mutex);
if (smu->ppt_funcs->get_dpm_clock_table)
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
index 1ef0923f7190..27c5fc9572b2 100644
--- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
@@ -128,6 +128,7 @@ static struct smu_11_0_cmn2aisc_mapping arcturus_message_map[SMU_MSG_MAX_COUNT]
MSG_MAP(SetXgmiMode, PPSMC_MSG_SetXgmiMode),
MSG_MAP(SetMemoryChannelEnable, PPSMC_MSG_SetMemoryChannelEnable),
MSG_MAP(DFCstateControl, PPSMC_MSG_DFCstateControl),
+ MSG_MAP(GmiPwrDnControl, PPSMC_MSG_GmiPwrDnControl),
};
static struct smu_11_0_cmn2aisc_mapping arcturus_clk_map[SMU_CLK_COUNT] = {
@@ -622,6 +623,9 @@ static int arcturus_print_clk_levels(struct smu_context *smu,
struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
struct arcturus_dpm_table *dpm_table = NULL;
+ if (amdgpu_ras_intr_triggered())
+ return snprintf(buf, PAGE_SIZE, "unavailable\n");
+
dpm_table = smu_dpm->dpm_context;
switch (type) {
@@ -997,6 +1001,9 @@ static int arcturus_read_sensor(struct smu_context *smu,
PPTable_t *pptable = table_context->driver_pptable;
int ret = 0;
+ if (amdgpu_ras_intr_triggered())
+ return 0;
+
if (!data || !size)
return -EINVAL;
@@ -2226,12 +2233,8 @@ static const struct i2c_algorithm arcturus_i2c_eeprom_i2c_algo = {
static int arcturus_i2c_eeprom_control_init(struct i2c_adapter *control)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
- struct smu_context *smu = &adev->smu;
int res;
- if (!smu->pm_enabled)
- return -EOPNOTSUPP;
-
control->owner = THIS_MODULE;
control->class = I2C_CLASS_SPD;
control->dev.parent = &adev->pdev->dev;
@@ -2247,12 +2250,6 @@ static int arcturus_i2c_eeprom_control_init(struct i2c_adapter *control)
static void arcturus_i2c_eeprom_control_fini(struct i2c_adapter *control)
{
- struct amdgpu_device *adev = to_amdgpu_device(control);
- struct smu_context *smu = &adev->smu;
-
- if (!smu->pm_enabled)
- return;
-
i2c_del_adapter(control);
}
@@ -2261,7 +2258,7 @@ static bool arcturus_is_baco_supported(struct smu_context *smu)
struct amdgpu_device *adev = smu->adev;
uint32_t val;
- if (!smu_v11_0_baco_is_support(smu))
+ if (!smu_v11_0_baco_is_support(smu) || amdgpu_sriov_vf(adev))
return false;
val = RREG32_SOC15(NBIO, 0, mmRCC_BIF_STRAP0);
@@ -2296,6 +2293,35 @@ static int arcturus_set_df_cstate(struct smu_context *smu,
return smu_send_smc_msg_with_param(smu, SMU_MSG_DFCstateControl, state, NULL);
}
+static int arcturus_allow_xgmi_power_down(struct smu_context *smu, bool en)
+{
+ uint32_t smu_version;
+ int ret;
+
+ ret = smu_get_smc_version(smu, NULL, &smu_version);
+ if (ret) {
+ pr_err("Failed to get smu version!\n");
+ return ret;
+ }
+
+ /* PPSMC_MSG_GmiPwrDnControl is supported by 54.23.0 and onwards */
+ if (smu_version < 0x00361700) {
+ pr_err("XGMI power down control is only supported by PMFW 54.23.0 and onwards\n");
+ return -EINVAL;
+ }
+
+ if (en)
+ return smu_send_smc_msg_with_param(smu,
+ SMU_MSG_GmiPwrDnControl,
+ 1,
+ NULL);
+
+ return smu_send_smc_msg_with_param(smu,
+ SMU_MSG_GmiPwrDnControl,
+ 0,
+ NULL);
+}
+
static const struct pptable_funcs arcturus_ppt_funcs = {
/* translate smu index into arcturus specific index */
.get_smu_msg_index = arcturus_get_smu_msg_index,
@@ -2389,6 +2415,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
.override_pcie_parameters = smu_v11_0_override_pcie_parameters,
.get_pptable_power_limit = arcturus_get_pptable_power_limit,
.set_df_cstate = arcturus_set_df_cstate,
+ .allow_xgmi_power_down = arcturus_allow_xgmi_power_down,
};
void arcturus_set_ppt_funcs(struct smu_context *smu)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
index 77c14671866c..719597c5d27d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c
@@ -984,6 +984,32 @@ static int init_thermal_controller(
struct pp_hwmgr *hwmgr,
const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table)
{
+ hwmgr->thermal_controller.ucType =
+ powerplay_table->sThermalController.ucType;
+ hwmgr->thermal_controller.ucI2cLine =
+ powerplay_table->sThermalController.ucI2cLine;
+ hwmgr->thermal_controller.ucI2cAddress =
+ powerplay_table->sThermalController.ucI2cAddress;
+
+ hwmgr->thermal_controller.fanInfo.bNoFan =
+ (0 != (powerplay_table->sThermalController.ucFanParameters &
+ ATOM_PP_FANPARAMETERS_NOFAN));
+
+ hwmgr->thermal_controller.fanInfo.ucTachometerPulsesPerRevolution =
+ powerplay_table->sThermalController.ucFanParameters &
+ ATOM_PP_FANPARAMETERS_TACHOMETER_PULSES_PER_REVOLUTION_MASK;
+
+ hwmgr->thermal_controller.fanInfo.ulMinRPM
+ = powerplay_table->sThermalController.ucFanMinRPM * 100UL;
+ hwmgr->thermal_controller.fanInfo.ulMaxRPM
+ = powerplay_table->sThermalController.ucFanMaxRPM * 100UL;
+
+ set_hw_cap(hwmgr,
+ ATOM_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
+ PHM_PlatformCaps_ThermalController);
+
+ hwmgr->thermal_controller.use_hw_fan_control = 1;
+
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
index 689072a312a7..c9cfe90a2947 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.c
@@ -36,6 +36,8 @@
#include "power_state.h"
#include "soc15_common.h"
#include "smu10.h"
+#include "asic_reg/pwr/pwr_10_0_offset.h"
+#include "asic_reg/pwr/pwr_10_0_sh_mask.h"
#define SMU10_MAX_DEEPSLEEP_DIVIDER_ID 5
#define SMU10_MINIMUM_ENGINE_CLOCK 800 /* 8Mhz, the low boundary of engine clock allowed on this chip */
@@ -43,13 +45,6 @@
#define SMU10_DISPCLK_BYPASS_THRESHOLD 10000 /* 100Mhz */
#define SMC_RAM_END 0x40000
-#define mmPWR_MISC_CNTL_STATUS 0x0183
-#define mmPWR_MISC_CNTL_STATUS_BASE_IDX 0
-#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN__SHIFT 0x0
-#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS__SHIFT 0x1
-#define PWR_MISC_CNTL_STATUS__PWR_GFX_RLC_CGPG_EN_MASK 0x00000001L
-#define PWR_MISC_CNTL_STATUS__PWR_GFXOFF_STATUS_MASK 0x00000006L
-
static const unsigned long SMU10_Magic = (unsigned long) PHM_Rv_Magic;
@@ -81,7 +76,7 @@ static int smu10_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
pr_info("[DisplayClockVoltageRequest]Invalid Clock Type!");
return -EINVAL;
}
- smum_send_msg_to_smc_with_parameter(hwmgr, msg, clk_freq);
+ smum_send_msg_to_smc_with_parameter(hwmgr, msg, clk_freq, NULL);
return 0;
}
@@ -214,7 +209,8 @@ static int smu10_set_min_deep_sleep_dcefclk(struct pp_hwmgr *hwmgr, uint32_t clo
smu10_data->deep_sleep_dcefclk = clock;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetMinDeepSleepDcefclk,
- smu10_data->deep_sleep_dcefclk);
+ smu10_data->deep_sleep_dcefclk,
+ NULL);
}
return 0;
}
@@ -228,7 +224,8 @@ static int smu10_set_hard_min_dcefclk_by_freq(struct pp_hwmgr *hwmgr, uint32_t c
smu10_data->dcf_actual_hard_min_freq = clock;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinDcefclkByFreq,
- smu10_data->dcf_actual_hard_min_freq);
+ smu10_data->dcf_actual_hard_min_freq,
+ NULL);
}
return 0;
}
@@ -242,7 +239,8 @@ static int smu10_set_hard_min_fclk_by_freq(struct pp_hwmgr *hwmgr, uint32_t cloc
smu10_data->f_actual_hard_min_freq = clock;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- smu10_data->f_actual_hard_min_freq);
+ smu10_data->f_actual_hard_min_freq,
+ NULL);
}
return 0;
}
@@ -255,7 +253,8 @@ static int smu10_set_active_display_count(struct pp_hwmgr *hwmgr, uint32_t count
smu10_data->num_active_display = count;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDisplayCount,
- smu10_data->num_active_display);
+ smu10_data->num_active_display,
+ NULL);
}
return 0;
@@ -278,7 +277,8 @@ static int smu10_init_power_gate_state(struct pp_hwmgr *hwmgr)
if (adev->pg_flags & AMD_PG_SUPPORT_GFX_PG)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetGfxCGPG,
- true);
+ true,
+ NULL);
else
return 0;
}
@@ -324,7 +324,7 @@ static int smu10_disable_gfx_off(struct pp_hwmgr *hwmgr)
struct amdgpu_device *adev = hwmgr->adev;
if (adev->pm.pp_feature & PP_GFXOFF_MASK) {
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableGfxOff);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableGfxOff, NULL);
/* confirm gfx is back to "on" state */
while (!smu10_is_gfx_on(hwmgr))
@@ -344,7 +344,7 @@ static int smu10_enable_gfx_off(struct pp_hwmgr *hwmgr)
struct amdgpu_device *adev = hwmgr->adev;
if (adev->pm.pp_feature & PP_GFXOFF_MASK)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableGfxOff);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableGfxOff, NULL);
return 0;
}
@@ -410,12 +410,10 @@ static int smu10_get_clock_voltage_dependency_table(struct pp_hwmgr *hwmgr,
struct smu10_voltage_dependency_table **pptable,
uint32_t num_entry, const DpmClock_t *pclk_dependency_table)
{
- uint32_t table_size, i;
+ uint32_t i;
struct smu10_voltage_dependency_table *ptable;
- table_size = sizeof(uint32_t) + sizeof(struct smu10_voltage_dependency_table) * num_entry;
- ptable = kzalloc(table_size, GFP_KERNEL);
-
+ ptable = kzalloc(struct_size(ptable, entries, num_entry), GFP_KERNEL);
if (NULL == ptable)
return -ENOMEM;
@@ -479,12 +477,10 @@ static int smu10_populate_clock_table(struct pp_hwmgr *hwmgr)
smu10_get_clock_voltage_dependency_table(hwmgr, &pinfo->vdd_dep_on_phyclk,
ARRAY_SIZE(VddPhyClk), &VddPhyClk[0]);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency);
- result = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMinGfxclkFrequency, &result);
smu10_data->gfx_min_freq_limit = result / 10 * 1000;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency);
- result = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxGfxclkFrequency, &result);
smu10_data->gfx_max_freq_limit = result / 10 * 1000;
return 0;
@@ -588,116 +584,148 @@ static int smu10_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- data->gfx_max_freq_limit/100);
+ data->gfx_max_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- SMU10_UMD_PSTATE_PEAK_FCLK);
+ SMU10_UMD_PSTATE_PEAK_FCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
- SMU10_UMD_PSTATE_PEAK_SOCCLK);
+ SMU10_UMD_PSTATE_PEAK_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinVcn,
- SMU10_UMD_PSTATE_VCE);
+ SMU10_UMD_PSTATE_VCE,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- data->gfx_max_freq_limit/100);
+ data->gfx_max_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_PEAK_FCLK);
+ SMU10_UMD_PSTATE_PEAK_FCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxSocclkByFreq,
- SMU10_UMD_PSTATE_PEAK_SOCCLK);
+ SMU10_UMD_PSTATE_PEAK_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxVcn,
- SMU10_UMD_PSTATE_VCE);
+ SMU10_UMD_PSTATE_VCE,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- min_sclk);
+ min_sclk,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- min_sclk);
+ min_sclk,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- min_mclk);
+ min_mclk,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- min_mclk);
+ min_mclk,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- SMU10_UMD_PSTATE_GFXCLK);
+ SMU10_UMD_PSTATE_GFXCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- SMU10_UMD_PSTATE_FCLK);
+ SMU10_UMD_PSTATE_FCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
- SMU10_UMD_PSTATE_SOCCLK);
+ SMU10_UMD_PSTATE_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinVcn,
- SMU10_UMD_PSTATE_VCE);
+ SMU10_UMD_PSTATE_VCE,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- SMU10_UMD_PSTATE_GFXCLK);
+ SMU10_UMD_PSTATE_GFXCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_FCLK);
+ SMU10_UMD_PSTATE_FCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxSocclkByFreq,
- SMU10_UMD_PSTATE_SOCCLK);
+ SMU10_UMD_PSTATE_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxVcn,
- SMU10_UMD_PSTATE_VCE);
+ SMU10_UMD_PSTATE_VCE,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_AUTO:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- min_sclk);
+ min_sclk,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
hwmgr->display_config->num_display > 3 ?
SMU10_UMD_PSTATE_PEAK_FCLK :
- min_mclk);
+ min_mclk,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinSocclkByFreq,
- SMU10_UMD_PSTATE_MIN_SOCCLK);
+ SMU10_UMD_PSTATE_MIN_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinVcn,
- SMU10_UMD_PSTATE_MIN_VCE);
+ SMU10_UMD_PSTATE_MIN_VCE,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- data->gfx_max_freq_limit/100);
+ data->gfx_max_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- SMU10_UMD_PSTATE_PEAK_FCLK);
+ SMU10_UMD_PSTATE_PEAK_FCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxSocclkByFreq,
- SMU10_UMD_PSTATE_PEAK_SOCCLK);
+ SMU10_UMD_PSTATE_PEAK_SOCCLK,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxVcn,
- SMU10_UMD_PSTATE_VCE);
+ SMU10_UMD_PSTATE_VCE,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_LOW:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
- data->gfx_min_freq_limit/100);
+ data->gfx_min_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
- data->gfx_min_freq_limit/100);
+ data->gfx_min_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- min_mclk);
+ min_mclk,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- min_mclk);
+ min_mclk,
+ NULL);
break;
case AMD_DPM_FORCED_LEVEL_MANUAL:
case AMD_DPM_FORCED_LEVEL_PROFILE_EXIT:
@@ -849,13 +877,15 @@ static int smu10_force_clock_level(struct pp_hwmgr *hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
low == 2 ? data->gfx_max_freq_limit/100 :
low == 1 ? SMU10_UMD_PSTATE_GFXCLK :
- data->gfx_min_freq_limit/100);
+ data->gfx_min_freq_limit/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
high == 0 ? data->gfx_min_freq_limit/100 :
high == 1 ? SMU10_UMD_PSTATE_GFXCLK :
- data->gfx_max_freq_limit/100);
+ data->gfx_max_freq_limit/100,
+ NULL);
break;
case PP_MCLK:
@@ -864,11 +894,13 @@ static int smu10_force_clock_level(struct pp_hwmgr *hwmgr,
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinFclkByFreq,
- mclk_table->entries[low].clk/100);
+ mclk_table->entries[low].clk/100,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxFclkByFreq,
- mclk_table->entries[high].clk/100);
+ mclk_table->entries[high].clk/100,
+ NULL);
break;
case PP_PCIE:
@@ -888,8 +920,7 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr,
switch (type) {
case PP_SCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &now);
/* driver only know min/max gfx_clk, Add level 1 for all other gfx clks */
if (now == data->gfx_max_freq_limit/100)
@@ -910,8 +941,7 @@ static int smu10_print_clock_levels(struct pp_hwmgr *hwmgr,
i == 2 ? "*" : "");
break;
case PP_MCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &now);
for (i = 0; i < mclk_table->count; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
@@ -1122,15 +1152,13 @@ static int smu10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency);
- sclk = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetGfxclkFrequency, &sclk);
/* in units of 10KHZ */
*((uint32_t *)value) = sclk * 100;
*size = 4;
break;
case AMDGPU_PP_SENSOR_GFX_MCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency);
- mclk = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetFclkFrequency, &mclk);
/* in units of 10KHZ */
*((uint32_t *)value) = mclk * 100;
*size = 4;
@@ -1166,20 +1194,20 @@ static int smu10_set_watermarks_for_clocks_ranges(struct pp_hwmgr *hwmgr,
static int smu10_smus_notify_pwe(struct pp_hwmgr *hwmgr)
{
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SetRccPfcPmeRestoreRegister);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SetRccPfcPmeRestoreRegister, NULL);
}
static int smu10_powergate_mmhub(struct pp_hwmgr *hwmgr)
{
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerGateMmHub, NULL);
}
static int smu10_powergate_sdma(struct pp_hwmgr *hwmgr, bool gate)
{
if (gate)
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerDownSdma);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerDownSdma, NULL);
else
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerUpSdma);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PowerUpSdma, NULL);
}
static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)
@@ -1191,11 +1219,11 @@ static void smu10_powergate_vcn(struct pp_hwmgr *hwmgr, bool bgate)
AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_GATE);
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PowerDownVcn, 0);
+ PPSMC_MSG_PowerDownVcn, 0, NULL);
smu10_data->vcn_power_gated = true;
} else {
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PowerUpVcn, 0);
+ PPSMC_MSG_PowerUpVcn, 0, NULL);
amdgpu_device_ip_set_powergating_state(hwmgr->adev,
AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_UNGATE);
@@ -1274,8 +1302,7 @@ static int smu10_get_power_profile_mode(struct pp_hwmgr *hwmgr, char *buf)
static bool smu10_is_raven1_refresh(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
- if ((adev->asic_type == CHIP_RAVEN) &&
- (adev->rev_id != 0x15d8) &&
+ if ((adev->apu_flags & AMD_APU_IS_RAVEN) &&
(hwmgr->smu_version >= 0x41e2b))
return true;
else
@@ -1304,7 +1331,8 @@ static int smu10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, uin
hwmgr->gfxoff_state_changed_by_workload = true;
}
result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ActiveProcessNotify,
- 1 << workload_type);
+ 1 << workload_type,
+ NULL);
if (!result)
hwmgr->power_profile_mode = input[size];
if (workload_type && hwmgr->gfxoff_state_changed_by_workload) {
@@ -1319,13 +1347,13 @@ static int smu10_asic_reset(struct pp_hwmgr *hwmgr, enum SMU_ASIC_RESET_MODE mod
{
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DeviceDriverReset,
- mode);
+ mode,
+ NULL);
}
static const struct pp_hwmgr_func smu10_hwmgr_funcs = {
.backend_init = smu10_hwmgr_backend_init,
.backend_fini = smu10_hwmgr_backend_fini,
- .asic_setup = NULL,
.apply_state_adjust_rules = smu10_apply_state_adjust_rules,
.force_dpm_level = smu10_dpm_force_dpm_level,
.get_power_state_size = smu10_get_power_state_size,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
index 1fb296a996f3..0f969de10fab 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu10_hwmgr.h
@@ -192,7 +192,7 @@ struct smu10_clock_voltage_dependency_record {
struct smu10_voltage_dependency_table {
uint32_t count;
- struct smu10_clock_voltage_dependency_record entries[1];
+ struct smu10_clock_voltage_dependency_record entries[];
};
struct smu10_clock_voltage_information {
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c
index 683b29a99366..f2bda3bcbbde 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c
@@ -29,14 +29,16 @@ static int smu7_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
return smum_send_msg_to_smc(hwmgr, enable ?
PPSMC_MSG_UVDDPM_Enable :
- PPSMC_MSG_UVDDPM_Disable);
+ PPSMC_MSG_UVDDPM_Disable,
+ NULL);
}
static int smu7_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
{
return smum_send_msg_to_smc(hwmgr, enable ?
PPSMC_MSG_VCEDPM_Enable :
- PPSMC_MSG_VCEDPM_Disable);
+ PPSMC_MSG_VCEDPM_Disable,
+ NULL);
}
static int smu7_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
@@ -57,7 +59,8 @@ int smu7_powerdown_uvd(struct pp_hwmgr *hwmgr)
{
if (phm_cf_want_uvd_power_gating(hwmgr))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_UVDPowerOFF);
+ PPSMC_MSG_UVDPowerOFF,
+ NULL);
return 0;
}
@@ -67,10 +70,10 @@ static int smu7_powerup_uvd(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_UVDDynamicPowerGating)) {
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_UVDPowerON, 1);
+ PPSMC_MSG_UVDPowerON, 1, NULL);
} else {
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_UVDPowerON, 0);
+ PPSMC_MSG_UVDPowerON, 0, NULL);
}
}
@@ -81,7 +84,8 @@ static int smu7_powerdown_vce(struct pp_hwmgr *hwmgr)
{
if (phm_cf_want_vce_power_gating(hwmgr))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_VCEPowerOFF);
+ PPSMC_MSG_VCEPowerOFF,
+ NULL);
return 0;
}
@@ -89,7 +93,8 @@ static int smu7_powerup_vce(struct pp_hwmgr *hwmgr)
{
if (phm_cf_want_vce_power_gating(hwmgr))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_VCEPowerON);
+ PPSMC_MSG_VCEPowerON,
+ NULL);
return 0;
}
@@ -181,7 +186,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_CGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
if (PP_STATE_SUPPORT_LS & *msg_id) {
@@ -191,7 +196,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_CGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -204,7 +209,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_3DCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
@@ -215,7 +220,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_3DLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -228,7 +233,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_RLC_LS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -241,7 +246,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_GFX_CP_LS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -255,7 +260,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
CG_GFX_OTHERS_MGCG_MASK);
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -275,7 +280,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_BIF_MGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
if (PP_STATE_SUPPORT_LS & *msg_id) {
@@ -285,7 +290,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_BIF_MGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -298,7 +303,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_MC_MGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
@@ -309,7 +314,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_MC_MGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -322,7 +327,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_DRM_MGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
if (PP_STATE_SUPPORT_LS & *msg_id) {
@@ -332,7 +337,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_DRM_MGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -345,7 +350,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_HDP_MGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
@@ -356,7 +361,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_HDP_MGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -369,7 +374,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_SDMA_MGCG_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
@@ -380,7 +385,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_SDMA_MGLS_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -393,7 +398,7 @@ int smu7_update_clock_gatings(struct pp_hwmgr *hwmgr,
value = CG_SYS_ROM_MASK;
if (smum_send_msg_to_smc_with_parameter(
- hwmgr, msg, value))
+ hwmgr, msg, value, NULL))
return -EINVAL;
}
break;
@@ -423,8 +428,10 @@ int smu7_powergate_gfx(struct pp_hwmgr *hwmgr, bool enable)
if (enable)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GFX_CU_PG_ENABLE,
- adev->gfx.cu_info.number);
+ adev->gfx.cu_info.number,
+ NULL);
else
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GFX_CU_PG_DISABLE);
+ PPSMC_MSG_GFX_CU_PG_DISABLE,
+ NULL);
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 4795eb66b2b2..753cb2cf6b77 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -186,7 +186,7 @@ static int smu7_enable_smc_voltage_controller(struct pp_hwmgr *hwmgr)
}
if (hwmgr->feature_mask & PP_SMC_VOLTAGE_CONTROL_MASK)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Voltage_Cntl_Enable);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Voltage_Cntl_Enable, NULL);
return 0;
}
@@ -493,7 +493,7 @@ static int smu7_copy_and_switch_arb_sets(struct pp_hwmgr *hwmgr,
static int smu7_reset_to_default(struct pp_hwmgr *hwmgr)
{
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ResetToDefaults);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ResetToDefaults, NULL);
}
/**
@@ -979,7 +979,8 @@ static int smu7_enable_vrhot_gpio_interrupt(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_RegulatorHot))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_EnableVRHotGPIOInterrupt);
+ PPSMC_MSG_EnableVRHotGPIOInterrupt,
+ NULL);
return 0;
}
@@ -996,7 +997,7 @@ static int smu7_enable_ulv(struct pp_hwmgr *hwmgr)
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
if (data->ulv_supported)
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableULV);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableULV, NULL);
return 0;
}
@@ -1006,7 +1007,7 @@ static int smu7_disable_ulv(struct pp_hwmgr *hwmgr)
struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
if (data->ulv_supported)
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableULV);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableULV, NULL);
return 0;
}
@@ -1015,13 +1016,14 @@ static int smu7_enable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
{
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SclkDeepSleep)) {
- if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MASTER_DeepSleep_ON))
+ if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MASTER_DeepSleep_ON, NULL))
PP_ASSERT_WITH_CODE(false,
"Attempt to enable Master Deep Sleep switch failed!",
return -EINVAL);
} else {
if (smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_MASTER_DeepSleep_OFF)) {
+ PPSMC_MSG_MASTER_DeepSleep_OFF,
+ NULL)) {
PP_ASSERT_WITH_CODE(false,
"Attempt to disable Master Deep Sleep switch failed!",
return -EINVAL);
@@ -1036,7 +1038,8 @@ static int smu7_disable_deep_sleep_master_switch(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SclkDeepSleep)) {
if (smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_MASTER_DeepSleep_OFF)) {
+ PPSMC_MSG_MASTER_DeepSleep_OFF,
+ NULL)) {
PP_ASSERT_WITH_CODE(false,
"Attempt to disable Master Deep Sleep switch failed!",
return -EINVAL);
@@ -1089,7 +1092,7 @@ static int smu7_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
smu7_disable_sclk_vce_handshake(hwmgr);
PP_ASSERT_WITH_CODE(
- (0 == smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DPM_Enable)),
+ (0 == smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DPM_Enable, NULL)),
"Failed to enable SCLK DPM during DPM Start Function!",
return -EINVAL);
}
@@ -1101,7 +1104,8 @@ static int smu7_enable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(
(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_MCLKDPM_Enable)),
+ PPSMC_MSG_MCLKDPM_Enable,
+ NULL)),
"Failed to enable MCLK DPM during DPM Start Function!",
return -EINVAL);
@@ -1172,7 +1176,8 @@ static int smu7_start_dpm(struct pp_hwmgr *hwmgr)
if (0 == data->pcie_dpm_key_disabled) {
PP_ASSERT_WITH_CODE(
(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_PCIeDPM_Enable)),
+ PPSMC_MSG_PCIeDPM_Enable,
+ NULL)),
"Failed to enable pcie DPM during DPM Start Function!",
return -EINVAL);
}
@@ -1180,7 +1185,8 @@ static int smu7_start_dpm(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_Falcon_QuickTransition)) {
PP_ASSERT_WITH_CODE((0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_EnableACDCGPIOInterrupt)),
+ PPSMC_MSG_EnableACDCGPIOInterrupt,
+ NULL)),
"Failed to enable AC DC GPIO Interrupt!",
);
}
@@ -1197,7 +1203,7 @@ static int smu7_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
"Trying to disable SCLK DPM when DPM is disabled",
return 0);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DPM_Disable);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DPM_Disable, NULL);
}
/* disable MCLK dpm */
@@ -1205,7 +1211,7 @@ static int smu7_disable_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(true == smum_is_dpm_running(hwmgr),
"Trying to disable MCLK DPM when DPM is disabled",
return 0);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_Disable);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_Disable, NULL);
}
return 0;
@@ -1226,7 +1232,8 @@ static int smu7_stop_dpm(struct pp_hwmgr *hwmgr)
if (!data->pcie_dpm_key_disabled) {
PP_ASSERT_WITH_CODE(
(smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_PCIeDPM_Disable) == 0),
+ PPSMC_MSG_PCIeDPM_Disable,
+ NULL) == 0),
"Failed to disable pcie DPM during DPM Stop Function!",
return -EINVAL);
}
@@ -1237,7 +1244,7 @@ static int smu7_stop_dpm(struct pp_hwmgr *hwmgr)
"Trying to disable voltage DPM when DPM is disabled",
return 0);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Voltage_Cntl_Disable);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Voltage_Cntl_Disable, NULL);
return 0;
}
@@ -1388,7 +1395,7 @@ static int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to enable VR hot GPIO interrupt!", result = tmp_result);
- smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_NoDisplay);
+ smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_NoDisplay, NULL);
tmp_result = smu7_enable_sclk_control(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
@@ -1446,14 +1453,14 @@ static int smu7_avfs_control(struct pp_hwmgr *hwmgr, bool enable)
if (!PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON)) {
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
- hwmgr, PPSMC_MSG_EnableAvfs),
+ hwmgr, PPSMC_MSG_EnableAvfs, NULL),
"Failed to enable AVFS!",
return -EINVAL);
}
} else if (PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device,
CGS_IND_REG__SMC, FEATURE_STATUS, AVS_ON)) {
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(
- hwmgr, PPSMC_MSG_DisableAvfs),
+ hwmgr, PPSMC_MSG_DisableAvfs, NULL),
"Failed to disable AVFS!",
return -EINVAL);
}
@@ -2609,7 +2616,8 @@ static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr)
if (level)
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PCIeDPM_ForceLevel, level);
+ PPSMC_MSG_PCIeDPM_ForceLevel, level,
+ NULL);
}
}
@@ -2623,7 +2631,8 @@ static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr)
if (level)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SCLKDPM_SetEnabledMask,
- (1 << level));
+ (1 << level),
+ NULL);
}
}
@@ -2637,7 +2646,8 @@ static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr)
if (level)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_MCLKDPM_SetEnabledMask,
- (1 << level));
+ (1 << level),
+ NULL);
}
}
@@ -2656,14 +2666,16 @@ static int smu7_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
if (data->dpm_level_enable_mask.sclk_dpm_enable_mask)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SCLKDPM_SetEnabledMask,
- data->dpm_level_enable_mask.sclk_dpm_enable_mask);
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask,
+ NULL);
}
if (!data->mclk_dpm_key_disabled) {
if (data->dpm_level_enable_mask.mclk_dpm_enable_mask)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_MCLKDPM_SetEnabledMask,
- data->dpm_level_enable_mask.mclk_dpm_enable_mask);
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask,
+ NULL);
}
return 0;
@@ -2678,7 +2690,8 @@ static int smu7_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
if (!data->pcie_dpm_key_disabled) {
smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_PCIeDPM_UnForceLevel);
+ PPSMC_MSG_PCIeDPM_UnForceLevel,
+ NULL);
}
return smu7_upload_dpm_level_enable_mask(hwmgr);
@@ -2696,7 +2709,8 @@ static int smu7_force_dpm_lowest(struct pp_hwmgr *hwmgr)
data->dpm_level_enable_mask.sclk_dpm_enable_mask);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SCLKDPM_SetEnabledMask,
- (1 << level));
+ (1 << level),
+ NULL);
}
@@ -2706,7 +2720,8 @@ static int smu7_force_dpm_lowest(struct pp_hwmgr *hwmgr)
data->dpm_level_enable_mask.mclk_dpm_enable_mask);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_MCLKDPM_SetEnabledMask,
- (1 << level));
+ (1 << level),
+ NULL);
}
}
@@ -2716,7 +2731,8 @@ static int smu7_force_dpm_lowest(struct pp_hwmgr *hwmgr)
data->dpm_level_enable_mask.pcie_dpm_enable_mask);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_PCIeDPM_ForceLevel,
- (level));
+ (level),
+ NULL);
}
}
@@ -3495,21 +3511,20 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query)
(adev->asic_type != CHIP_BONAIRE) &&
(adev->asic_type != CHIP_FIJI) &&
(adev->asic_type != CHIP_TONGA)) {
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0);
- tmp = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetCurrPkgPwr, 0, &tmp);
*query = tmp;
if (tmp != 0)
return 0;
}
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart, NULL);
cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
ixSMU_PM_STATUS_95, 0);
for (i = 0; i < 10; i++) {
msleep(500);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample, NULL);
tmp = cgs_read_ind_register(hwmgr->device,
CGS_IND_REG__SMC,
ixSMU_PM_STATUS_95);
@@ -3534,14 +3549,12 @@ static int smu7_read_sensor(struct pp_hwmgr *hwmgr, int idx,
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetSclkFrequency);
- sclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetSclkFrequency, &sclk);
*((uint32_t *)value) = sclk;
*size = 4;
return 0;
case AMDGPU_PP_SENSOR_GFX_MCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency);
- mclk = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency, &mclk);
*((uint32_t *)value) = mclk;
*size = 4;
return 0;
@@ -3730,7 +3743,8 @@ static int smu7_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
"Trying to freeze SCLK DPM when DPM is disabled",
);
PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_SCLKDPM_FreezeLevel),
+ PPSMC_MSG_SCLKDPM_FreezeLevel,
+ NULL),
"Failed to freeze SCLK DPM during FreezeSclkMclkDPM Function!",
return -EINVAL);
}
@@ -3742,7 +3756,8 @@ static int smu7_freeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
"Trying to freeze MCLK DPM when DPM is disabled",
);
PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_MCLKDPM_FreezeLevel),
+ PPSMC_MSG_MCLKDPM_FreezeLevel,
+ NULL),
"Failed to freeze MCLK DPM during FreezeSclkMclkDPM Function!",
return -EINVAL);
}
@@ -3884,7 +3899,8 @@ static int smu7_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
"Trying to Unfreeze SCLK DPM when DPM is disabled",
);
PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_SCLKDPM_UnfreezeLevel),
+ PPSMC_MSG_SCLKDPM_UnfreezeLevel,
+ NULL),
"Failed to unfreeze SCLK DPM during UnFreezeSclkMclkDPM Function!",
return -EINVAL);
}
@@ -3896,7 +3912,8 @@ static int smu7_unfreeze_sclk_mclk_dpm(struct pp_hwmgr *hwmgr)
"Trying to Unfreeze MCLK DPM when DPM is disabled",
);
PP_ASSERT_WITH_CODE(0 == smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_MCLKDPM_UnfreezeLevel),
+ PPSMC_MSG_MCLKDPM_UnfreezeLevel,
+ NULL),
"Failed to unfreeze MCLK DPM during UnFreezeSclkMclkDPM Function!",
return -EINVAL);
}
@@ -3949,12 +3966,14 @@ static int smu7_notify_smc_display(struct pp_hwmgr *hwmgr)
if (hwmgr->feature_mask & PP_VBI_TIME_SUPPORT_MASK) {
if (hwmgr->chip_id == CHIP_VEGAM)
smum_send_msg_to_smc_with_parameter(hwmgr,
- (PPSMC_Msg)PPSMC_MSG_SetVBITimeout_VEGAM, data->frame_time_x2);
+ (PPSMC_Msg)PPSMC_MSG_SetVBITimeout_VEGAM, data->frame_time_x2,
+ NULL);
else
smum_send_msg_to_smc_with_parameter(hwmgr,
- (PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2);
+ (PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2,
+ NULL);
}
- return (smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ? 0 : -EINVAL;
+ return (smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_HasDisplay, NULL) == 0) ? 0 : -EINVAL;
}
static int smu7_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
@@ -4040,7 +4059,8 @@ static int smu7_set_max_fan_pwm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_f
advanceFanControlParameters.usMaxFanPWM = us_max_fan_pwm;
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm);
+ PPSMC_MSG_SetFanPwmMax, us_max_fan_pwm,
+ NULL);
}
static int
@@ -4048,7 +4068,7 @@ smu7_notify_smc_display_change(struct pp_hwmgr *hwmgr, bool has_display)
{
PPSMC_Msg msg = has_display ? (PPSMC_Msg)PPSMC_HasDisplay : (PPSMC_Msg)PPSMC_NoDisplay;
- return (smum_send_msg_to_smc(hwmgr, msg) == 0) ? 0 : -1;
+ return (smum_send_msg_to_smc(hwmgr, msg, NULL) == 0) ? 0 : -1;
}
static int
@@ -4132,7 +4152,8 @@ static int smu7_set_max_fan_rpm_output(struct pp_hwmgr *hwmgr, uint16_t us_max_f
advanceFanControlParameters.usMaxFanRPM = us_max_fan_rpm;
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm);
+ PPSMC_MSG_SetFanRpmMax, us_max_fan_rpm,
+ NULL);
}
static const struct amdgpu_irq_src_funcs smu7_irq_funcs = {
@@ -4262,14 +4283,14 @@ static int smu7_check_mc_firmware(struct pp_hwmgr *hwmgr)
if ((hwmgr->chip_id == CHIP_POLARIS10) ||
(hwmgr->chip_id == CHIP_POLARIS11) ||
(hwmgr->chip_id == CHIP_POLARIS12))
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableFFC);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableFFC, NULL);
} else {
data->mem_latency_high = 330;
data->mem_latency_low = 330;
if ((hwmgr->chip_id == CHIP_POLARIS10) ||
(hwmgr->chip_id == CHIP_POLARIS11) ||
(hwmgr->chip_id == CHIP_POLARIS12))
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableFFC);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableFFC, NULL);
}
return 0;
@@ -4413,13 +4434,15 @@ static int smu7_force_clock_level(struct pp_hwmgr *hwmgr,
if (!data->sclk_dpm_key_disabled)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SCLKDPM_SetEnabledMask,
- data->dpm_level_enable_mask.sclk_dpm_enable_mask & mask);
+ data->dpm_level_enable_mask.sclk_dpm_enable_mask & mask,
+ NULL);
break;
case PP_MCLK:
if (!data->mclk_dpm_key_disabled)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_MCLKDPM_SetEnabledMask,
- data->dpm_level_enable_mask.mclk_dpm_enable_mask & mask);
+ data->dpm_level_enable_mask.mclk_dpm_enable_mask & mask,
+ NULL);
break;
case PP_PCIE:
{
@@ -4427,11 +4450,13 @@ static int smu7_force_clock_level(struct pp_hwmgr *hwmgr,
if (!data->pcie_dpm_key_disabled) {
if (fls(tmp) != ffs(tmp))
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PCIeDPM_UnForceLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PCIeDPM_UnForceLevel,
+ NULL);
else
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_PCIeDPM_ForceLevel,
- fls(tmp) - 1);
+ fls(tmp) - 1,
+ NULL);
}
break;
}
@@ -4457,8 +4482,7 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
switch (type) {
case PP_SCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetSclkFrequency);
- clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetSclkFrequency, &clock);
for (i = 0; i < sclk_table->count; i++) {
if (clock > sclk_table->dpm_levels[i].value)
@@ -4473,8 +4497,7 @@ static int smu7_print_clock_levels(struct pp_hwmgr *hwmgr,
(i == now) ? "*" : "");
break;
case PP_MCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency);
- clock = cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_API_GetMclkFrequency, &clock);
for (i = 0; i < mclk_table->count; i++) {
if (clock > mclk_table->dpm_levels[i].value)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
index 58f5589aaf12..5d4971576111 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c
@@ -887,7 +887,10 @@ static int smu7_enable_didt(struct pp_hwmgr *hwmgr, const bool enable)
didt_block |= block_en << TCP_Enable_SHIFT;
if (enable)
- result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_Didt_Block_Function, didt_block);
+ result = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_Didt_Block_Function,
+ didt_block,
+ NULL);
return result;
}
@@ -1009,7 +1012,8 @@ int smu7_enable_didt_config(struct pp_hwmgr *hwmgr)
if (hwmgr->chip_id == CHIP_POLARIS11) {
result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_EnableDpmDidt));
+ (uint16_t)(PPSMC_MSG_EnableDpmDidt),
+ NULL);
PP_ASSERT_WITH_CODE((0 == result),
"Failed to enable DPM DIDT.", goto error);
}
@@ -1042,7 +1046,8 @@ int smu7_disable_didt_config(struct pp_hwmgr *hwmgr)
goto error);
if (hwmgr->chip_id == CHIP_POLARIS11) {
result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_DisableDpmDidt));
+ (uint16_t)(PPSMC_MSG_DisableDpmDidt),
+ NULL);
PP_ASSERT_WITH_CODE((0 == result),
"Failed to disable DPM DIDT.", goto error);
}
@@ -1063,7 +1068,8 @@ int smu7_enable_smc_cac(struct pp_hwmgr *hwmgr)
if (PP_CAP(PHM_PlatformCaps_CAC)) {
int smc_result;
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_EnableCac));
+ (uint16_t)(PPSMC_MSG_EnableCac),
+ NULL);
PP_ASSERT_WITH_CODE((0 == smc_result),
"Failed to enable CAC in SMC.", result = -1);
@@ -1079,7 +1085,8 @@ int smu7_disable_smc_cac(struct pp_hwmgr *hwmgr)
if (PP_CAP(PHM_PlatformCaps_CAC) && data->cac_enabled) {
int smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_DisableCac));
+ (uint16_t)(PPSMC_MSG_DisableCac),
+ NULL);
PP_ASSERT_WITH_CODE((smc_result == 0),
"Failed to disable CAC in SMC.", result = -1);
@@ -1095,7 +1102,9 @@ int smu7_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
if (data->power_containment_features &
POWERCONTAINMENT_FEATURE_PkgPwrLimit)
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PkgPwrSetLimit, n<<8);
+ PPSMC_MSG_PkgPwrSetLimit,
+ n<<8,
+ NULL);
return 0;
}
@@ -1103,7 +1112,9 @@ static int smu7_set_overdriver_target_tdp(struct pp_hwmgr *hwmgr,
uint32_t target_tdp)
{
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_OverDriveSetTargetTdp, target_tdp);
+ PPSMC_MSG_OverDriveSetTargetTdp,
+ target_tdp,
+ NULL);
}
int smu7_enable_power_containment(struct pp_hwmgr *hwmgr)
@@ -1124,7 +1135,8 @@ int smu7_enable_power_containment(struct pp_hwmgr *hwmgr)
if (PP_CAP(PHM_PlatformCaps_PowerContainment)) {
if (data->enable_tdc_limit_feature) {
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_TDCLimitEnable));
+ (uint16_t)(PPSMC_MSG_TDCLimitEnable),
+ NULL);
PP_ASSERT_WITH_CODE((0 == smc_result),
"Failed to enable TDCLimit in SMC.", result = -1;);
if (0 == smc_result)
@@ -1134,7 +1146,8 @@ int smu7_enable_power_containment(struct pp_hwmgr *hwmgr)
if (data->enable_pkg_pwr_tracking_feature) {
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable));
+ (uint16_t)(PPSMC_MSG_PkgPwrLimitEnable),
+ NULL);
PP_ASSERT_WITH_CODE((0 == smc_result),
"Failed to enable PkgPwrTracking in SMC.", result = -1;);
if (0 == smc_result) {
@@ -1163,7 +1176,8 @@ int smu7_disable_power_containment(struct pp_hwmgr *hwmgr)
if (data->power_containment_features &
POWERCONTAINMENT_FEATURE_TDCLimit) {
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_TDCLimitDisable));
+ (uint16_t)(PPSMC_MSG_TDCLimitDisable),
+ NULL);
PP_ASSERT_WITH_CODE((smc_result == 0),
"Failed to disable TDCLimit in SMC.",
result = smc_result);
@@ -1172,7 +1186,8 @@ int smu7_disable_power_containment(struct pp_hwmgr *hwmgr)
if (data->power_containment_features &
POWERCONTAINMENT_FEATURE_DTE) {
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_DisableDTE));
+ (uint16_t)(PPSMC_MSG_DisableDTE),
+ NULL);
PP_ASSERT_WITH_CODE((smc_result == 0),
"Failed to disable DTE in SMC.",
result = smc_result);
@@ -1181,7 +1196,8 @@ int smu7_disable_power_containment(struct pp_hwmgr *hwmgr)
if (data->power_containment_features &
POWERCONTAINMENT_FEATURE_PkgPwrLimit) {
smc_result = smum_send_msg_to_smc(hwmgr,
- (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable));
+ (uint16_t)(PPSMC_MSG_PkgPwrLimitDisable),
+ NULL);
PP_ASSERT_WITH_CODE((smc_result == 0),
"Failed to disable PkgPwrTracking in SMC.",
result = smc_result);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c
index 5bdc0df5a9f4..0b30f73649a8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c
@@ -151,8 +151,8 @@ int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
int result;
if (PP_CAP(PHM_PlatformCaps_ODFuzzyFanControlSupport)) {
- cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_FUZZY);
- result = smum_send_msg_to_smc(hwmgr, PPSMC_StartFanControl);
+ result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_StartFanControl,
+ FAN_CONTROL_FUZZY, NULL);
if (PP_CAP(PHM_PlatformCaps_FanSpeedInTableIsRPM))
hwmgr->hwmgr_func->set_max_fan_rpm_output(hwmgr,
@@ -164,8 +164,8 @@ int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
advanceFanControlParameters.usMaxFanPWM);
} else {
- cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, FAN_CONTROL_TABLE);
- result = smum_send_msg_to_smc(hwmgr, PPSMC_StartFanControl);
+ result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_StartFanControl,
+ FAN_CONTROL_TABLE, NULL);
}
if (!result && hwmgr->thermal_controller.
@@ -173,7 +173,8 @@ int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
result = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanTemperatureTarget,
hwmgr->thermal_controller.
- advanceFanControlParameters.ucTargetTemperature);
+ advanceFanControlParameters.ucTargetTemperature,
+ NULL);
hwmgr->fan_ctrl_enabled = true;
return result;
@@ -183,7 +184,7 @@ int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr)
int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
{
hwmgr->fan_ctrl_enabled = false;
- return smum_send_msg_to_smc(hwmgr, PPSMC_StopFanControl);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_StopFanControl, NULL);
}
/**
@@ -372,7 +373,7 @@ static void smu7_thermal_enable_alert(struct pp_hwmgr *hwmgr)
CG_THERMAL_INT, THERM_INT_MASK, alert);
/* send message to SMU to enable internal thermal interrupts */
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Thermal_Cntl_Enable);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Thermal_Cntl_Enable, NULL);
}
/**
@@ -390,7 +391,7 @@ int smu7_thermal_disable_alert(struct pp_hwmgr *hwmgr)
CG_THERMAL_INT, THERM_INT_MASK, alert);
/* send message to SMU to disable internal thermal interrupts */
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Thermal_Cntl_Disable);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_Thermal_Cntl_Disable, NULL);
}
/**
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
index 019d6a206492..a6c6a793e98e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
@@ -162,8 +162,10 @@ static uint32_t smu8_get_max_sclk_level(struct pp_hwmgr *hwmgr)
struct smu8_hwmgr *data = hwmgr->backend;
if (data->max_sclk_level == 0) {
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxSclkLevel);
- data->max_sclk_level = smum_get_argument(hwmgr) + 1;
+ smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetMaxSclkLevel,
+ &data->max_sclk_level);
+ data->max_sclk_level += 1;
}
return data->max_sclk_level;
@@ -580,7 +582,8 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr)
struct smu8_hwmgr *data = hwmgr->backend;
struct phm_uvd_clock_voltage_dependency_table *table =
hwmgr->dyn_state.uvd_clock_voltage_dependency_table;
- unsigned long clock = 0, level;
+ unsigned long clock = 0;
+ uint32_t level;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -588,8 +591,7 @@ static int smu8_init_uvd_limit(struct pp_hwmgr *hwmgr)
data->uvd_dpm.soft_min_clk = 0;
data->uvd_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel);
- level = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxUvdLevel, &level);
if (level < table->count)
clock = table->entries[level].vclk;
@@ -607,7 +609,8 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr)
struct smu8_hwmgr *data = hwmgr->backend;
struct phm_vce_clock_voltage_dependency_table *table =
hwmgr->dyn_state.vce_clock_voltage_dependency_table;
- unsigned long clock = 0, level;
+ unsigned long clock = 0;
+ uint32_t level;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -615,8 +618,7 @@ static int smu8_init_vce_limit(struct pp_hwmgr *hwmgr)
data->vce_dpm.soft_min_clk = 0;
data->vce_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel);
- level = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxEclkLevel, &level);
if (level < table->count)
clock = table->entries[level].ecclk;
@@ -634,7 +636,8 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr)
struct smu8_hwmgr *data = hwmgr->backend;
struct phm_acp_clock_voltage_dependency_table *table =
hwmgr->dyn_state.acp_clock_voltage_dependency_table;
- unsigned long clock = 0, level;
+ unsigned long clock = 0;
+ uint32_t level;
if (NULL == table || table->count <= 0)
return -EINVAL;
@@ -642,8 +645,7 @@ static int smu8_init_acp_limit(struct pp_hwmgr *hwmgr)
data->acp_dpm.soft_min_clk = 0;
data->acp_dpm.hard_min_clk = 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel);
- level = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetMaxAclkLevel, &level);
if (level < table->count)
clock = table->entries[level].acpclk;
@@ -665,7 +667,7 @@ static void smu8_init_power_gate_state(struct pp_hwmgr *hwmgr)
#ifdef CONFIG_DRM_AMD_ACP
data->acp_power_gated = false;
#else
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL);
data->acp_power_gated = true;
#endif
@@ -708,7 +710,8 @@ static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkHardMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.hard_min_clk,
- PPSMC_MSG_SetSclkHardMin));
+ PPSMC_MSG_SetSclkHardMin),
+ NULL);
}
clock = data->sclk_dpm.soft_min_clk;
@@ -731,7 +734,8 @@ static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_min_clk,
- PPSMC_MSG_SetSclkSoftMin));
+ PPSMC_MSG_SetSclkSoftMin),
+ NULL);
}
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
@@ -742,7 +746,8 @@ static int smu8_update_sclk_limit(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMax,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_max_clk,
- PPSMC_MSG_SetSclkSoftMax));
+ PPSMC_MSG_SetSclkSoftMax),
+ NULL);
}
return 0;
@@ -760,7 +765,8 @@ static int smu8_set_deep_sleep_sclk_threshold(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetMinDeepSleepSclk,
- clks);
+ clks,
+ NULL);
}
return 0;
@@ -773,7 +779,8 @@ static int smu8_set_watermark_threshold(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetWatermarkFrequency,
- data->sclk_dpm.soft_max_clk);
+ data->sclk_dpm.soft_max_clk,
+ NULL);
return 0;
}
@@ -788,13 +795,15 @@ static int smu8_nbdpm_pstate_enable_disable(struct pp_hwmgr *hwmgr, bool enable,
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnableLowMemoryPstate,
- (lock ? 1 : 0));
+ (lock ? 1 : 0),
+ NULL);
} else {
PP_DBG_LOG("disable Low Memory PState.\n");
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DisableLowMemoryPstate,
- (lock ? 1 : 0));
+ (lock ? 1 : 0),
+ NULL);
}
}
@@ -814,7 +823,8 @@ static int smu8_disable_nb_dpm(struct pp_hwmgr *hwmgr)
ret = smum_send_msg_to_smc_with_parameter(
hwmgr,
PPSMC_MSG_DisableAllSmuFeatures,
- dpm_features);
+ dpm_features,
+ NULL);
if (ret == 0)
data->is_nb_dpm_enabled = false;
}
@@ -835,7 +845,8 @@ static int smu8_enable_nb_dpm(struct pp_hwmgr *hwmgr)
ret = smum_send_msg_to_smc_with_parameter(
hwmgr,
PPSMC_MSG_EnableAllSmuFeatures,
- dpm_features);
+ dpm_features,
+ NULL);
if (ret == 0)
data->is_nb_dpm_enabled = true;
}
@@ -953,7 +964,8 @@ static int smu8_start_dpm(struct pp_hwmgr *hwmgr)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnableAllSmuFeatures,
- SCLK_DPM_MASK);
+ SCLK_DPM_MASK,
+ NULL);
}
static int smu8_stop_dpm(struct pp_hwmgr *hwmgr)
@@ -967,7 +979,8 @@ static int smu8_stop_dpm(struct pp_hwmgr *hwmgr)
data->dpm_flags &= ~DPMFlags_SCLK_Enabled;
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DisableAllSmuFeatures,
- dpm_features);
+ dpm_features,
+ NULL);
}
return ret;
}
@@ -983,13 +996,15 @@ static int smu8_program_bootup_state(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_min_clk,
- PPSMC_MSG_SetSclkSoftMin));
+ PPSMC_MSG_SetSclkSoftMin),
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMax,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_max_clk,
- PPSMC_MSG_SetSclkSoftMax));
+ PPSMC_MSG_SetSclkSoftMax),
+ NULL);
return 0;
}
@@ -1127,13 +1142,15 @@ static int smu8_phm_force_dpm_highest(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_max_clk,
- PPSMC_MSG_SetSclkSoftMin));
+ PPSMC_MSG_SetSclkSoftMin),
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMax,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_max_clk,
- PPSMC_MSG_SetSclkSoftMax));
+ PPSMC_MSG_SetSclkSoftMax),
+ NULL);
return 0;
}
@@ -1167,13 +1184,15 @@ static int smu8_phm_unforce_dpm_levels(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_min_clk,
- PPSMC_MSG_SetSclkSoftMin));
+ PPSMC_MSG_SetSclkSoftMin),
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMax,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_max_clk,
- PPSMC_MSG_SetSclkSoftMax));
+ PPSMC_MSG_SetSclkSoftMax),
+ NULL);
return 0;
}
@@ -1186,13 +1205,15 @@ static int smu8_phm_force_dpm_lowest(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetSclkSoftMax,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_min_clk,
- PPSMC_MSG_SetSclkSoftMax));
+ PPSMC_MSG_SetSclkSoftMax),
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMin,
smu8_get_sclk_level(hwmgr,
data->sclk_dpm.soft_min_clk,
- PPSMC_MSG_SetSclkSoftMin));
+ PPSMC_MSG_SetSclkSoftMin),
+ NULL);
return 0;
}
@@ -1227,7 +1248,7 @@ static int smu8_dpm_force_dpm_level(struct pp_hwmgr *hwmgr,
static int smu8_dpm_powerdown_uvd(struct pp_hwmgr *hwmgr)
{
if (PP_CAP(PHM_PlatformCaps_UVDPowerGating))
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UVDPowerOFF, NULL);
return 0;
}
@@ -1237,7 +1258,8 @@ static int smu8_dpm_powerup_uvd(struct pp_hwmgr *hwmgr)
return smum_send_msg_to_smc_with_parameter(
hwmgr,
PPSMC_MSG_UVDPowerON,
- PP_CAP(PHM_PlatformCaps_UVDDynamicPowerGating) ? 1 : 0);
+ PP_CAP(PHM_PlatformCaps_UVDDynamicPowerGating) ? 1 : 0,
+ NULL);
}
return 0;
@@ -1259,15 +1281,20 @@ static int smu8_dpm_update_vce_dpm(struct pp_hwmgr *hwmgr)
PPSMC_MSG_SetEclkHardMin,
smu8_get_eclk_level(hwmgr,
data->vce_dpm.hard_min_clk,
- PPSMC_MSG_SetEclkHardMin));
+ PPSMC_MSG_SetEclkHardMin),
+ NULL);
} else {
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetEclkHardMin, 0);
+ PPSMC_MSG_SetEclkHardMin,
+ 0,
+ NULL);
/* disable ECLK DPM 0. Otherwise VCE could hang if
* switching SCLK from DPM 0 to 6/7 */
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetEclkSoftMin, 1);
+ PPSMC_MSG_SetEclkSoftMin,
+ 1,
+ NULL);
}
return 0;
}
@@ -1276,7 +1303,8 @@ static int smu8_dpm_powerdown_vce(struct pp_hwmgr *hwmgr)
{
if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_VCEPowerOFF);
+ PPSMC_MSG_VCEPowerOFF,
+ NULL);
return 0;
}
@@ -1284,7 +1312,8 @@ static int smu8_dpm_powerup_vce(struct pp_hwmgr *hwmgr)
{
if (PP_CAP(PHM_PlatformCaps_VCEPowerGating))
return smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_VCEPowerON);
+ PPSMC_MSG_VCEPowerON,
+ NULL);
return 0;
}
@@ -1435,7 +1464,8 @@ static void smu8_hw_print_display_cfg(
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDisplaySizePowerParams,
- data);
+ data,
+ NULL);
}
return 0;
@@ -1497,10 +1527,12 @@ static int smu8_force_clock_level(struct pp_hwmgr *hwmgr,
case PP_SCLK:
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMin,
- mask);
+ mask,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSclkSoftMax,
- mask);
+ mask,
+ NULL);
break;
default:
break;
@@ -1753,9 +1785,10 @@ static int smu8_read_sensor(struct pp_hwmgr *hwmgr, int idx,
*((uint32_t *)value) = 0;
return 0;
case AMDGPU_PP_SENSOR_GPU_LOAD:
- result = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetAverageGraphicsActivity);
+ result = smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetAverageGraphicsActivity,
+ &activity_percent);
if (0 == result) {
- activity_percent = cgs_read_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0);
activity_percent = activity_percent > 100 ? 100 : activity_percent;
} else {
activity_percent = 50;
@@ -1785,20 +1818,25 @@ static int smu8_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
{
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramAddrHiVirtual,
- mc_addr_hi);
+ mc_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramAddrLoVirtual,
- mc_addr_low);
+ mc_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramAddrHiPhysical,
- virtual_addr_hi);
+ virtual_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramAddrLoPhysical,
- virtual_addr_low);
+ virtual_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramBufferSize,
- size);
+ size,
+ NULL);
return 0;
}
@@ -1827,12 +1865,16 @@ static int smu8_enable_disable_uvd_dpm(struct pp_hwmgr *hwmgr, bool enable)
data->dpm_flags |= DPMFlags_UVD_Enabled;
dpm_features |= UVD_DPM_MASK;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+ PPSMC_MSG_EnableAllSmuFeatures,
+ dpm_features,
+ NULL);
} else {
dpm_features |= UVD_DPM_MASK;
data->dpm_flags &= ~DPMFlags_UVD_Enabled;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+ PPSMC_MSG_DisableAllSmuFeatures,
+ dpm_features,
+ NULL);
}
return 0;
}
@@ -1854,7 +1896,8 @@ int smu8_dpm_update_uvd_dpm(struct pp_hwmgr *hwmgr, bool bgate)
PPSMC_MSG_SetUvdHardMin,
smu8_get_uvd_level(hwmgr,
data->uvd_dpm.hard_min_clk,
- PPSMC_MSG_SetUvdHardMin));
+ PPSMC_MSG_SetUvdHardMin),
+ NULL);
smu8_enable_disable_uvd_dpm(hwmgr, true);
} else {
@@ -1878,12 +1921,16 @@ static int smu8_enable_disable_vce_dpm(struct pp_hwmgr *hwmgr, bool enable)
data->dpm_flags |= DPMFlags_VCE_Enabled;
dpm_features |= VCE_DPM_MASK;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableAllSmuFeatures, dpm_features);
+ PPSMC_MSG_EnableAllSmuFeatures,
+ dpm_features,
+ NULL);
} else {
dpm_features |= VCE_DPM_MASK;
data->dpm_flags &= ~DPMFlags_VCE_Enabled;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableAllSmuFeatures, dpm_features);
+ PPSMC_MSG_DisableAllSmuFeatures,
+ dpm_features,
+ NULL);
}
return 0;
@@ -1898,9 +1945,9 @@ static void smu8_dpm_powergate_acp(struct pp_hwmgr *hwmgr, bool bgate)
return;
if (bgate)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerOFF, NULL);
else
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ACPPowerON, NULL);
}
static void smu8_dpm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
index d09690fca452..60b5ca974356 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu_helper.c
@@ -22,6 +22,7 @@
*/
#include <linux/pci.h>
+#include <linux/reboot.h>
#include "hwmgr.h"
#include "pp_debug.h"
@@ -557,7 +558,9 @@ void phm_apply_dal_min_voltage_request(struct pp_hwmgr *hwmgr)
if (req_vddc <= vddc_table->entries[i].vddc) {
req_volt = (((uint32_t)vddc_table->entries[i].vddc) * VOLTAGE_SCALE);
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_VddC_Request, req_volt);
+ PPSMC_MSG_VddC_Request,
+ req_volt,
+ NULL);
return;
}
}
@@ -593,37 +596,43 @@ int phm_irq_process(struct amdgpu_device *adev,
uint32_t src_id = entry->src_id;
if (client_id == AMDGPU_IRQ_CLIENTID_LEGACY) {
- if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_LOW_TO_HIGH)
- pr_warn("GPU over temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
- else if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_HIGH_TO_LOW)
- pr_warn("GPU under temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
- else if (src_id == VISLANDS30_IV_SRCID_GPIO_19)
- pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
+ if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_LOW_TO_HIGH) {
+ dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
+ /*
+ * SW CTF just occurred.
+ * Try to do a graceful shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
+ orderly_poweroff(true);
+ } else if (src_id == VISLANDS30_IV_SRCID_CG_TSS_THERMAL_HIGH_TO_LOW)
+ dev_emerg(adev->dev, "ERROR: GPU under temperature range detected!\n");
+ else if (src_id == VISLANDS30_IV_SRCID_GPIO_19) {
+ dev_emerg(adev->dev, "ERROR: GPU HW Critical Temperature Fault(aka CTF) detected!\n");
+ /*
+ * HW CTF just occurred. Shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU HW CTF!\n");
+ orderly_poweroff(true);
+ }
} else if (client_id == SOC15_IH_CLIENTID_THM) {
- if (src_id == 0)
- pr_warn("GPU over temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
- else
- pr_warn("GPU under temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
- } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO)
- pr_warn("GPU Critical Temperature Fault detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
+ if (src_id == 0) {
+ dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
+ /*
+ * SW CTF just occurred.
+ * Try to do a graceful shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
+ orderly_poweroff(true);
+ } else
+ dev_emerg(adev->dev, "ERROR: GPU under temperature range detected!\n");
+ } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO) {
+ dev_emerg(adev->dev, "ERROR: GPU HW Critical Temperature Fault(aka CTF) detected!\n");
+ /*
+ * HW CTF just occurred. Shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU HW CTF!\n");
+ orderly_poweroff(true);
+ }
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_baco.c
index d168af4a4d78..46bb16c29cf6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_baco.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_baco.c
@@ -98,7 +98,7 @@ int vega10_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
if (state == BACO_STATE_IN) {
if (soc15_baco_program_registers(hwmgr, pre_baco_tbl,
ARRAY_SIZE(pre_baco_tbl))) {
- if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnterBaco))
+ if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnterBaco, NULL))
return -EINVAL;
if (soc15_baco_program_registers(hwmgr, enter_baco_tbl,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index f29f95be1e56..675c7cab7cfc 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -484,8 +484,9 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr)
if (data->registry_data.vr0hot_enabled)
data->smu_features[GNLD_VR0HOT].supported = true;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
- hwmgr->smu_version = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetSmuVersion,
+ &hwmgr->smu_version);
/* ACG firmware has major version 5 */
if ((hwmgr->smu_version & 0xff000000) == 0x5000000)
data->smu_features[GNLD_ACG].supported = true;
@@ -503,10 +504,8 @@ static void vega10_init_dpm_defaults(struct pp_hwmgr *hwmgr)
data->smu_features[GNLD_PCC_LIMIT].supported = true;
/* Get the SN to turn into a Unique ID */
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32);
- top32 = smum_get_argument(hwmgr);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32);
- bottom32 = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32);
adev->unique_id = ((uint64_t)bottom32 << 32) | top32;
}
@@ -993,7 +992,10 @@ static int vega10_setup_asic_task(struct pp_hwmgr *hwmgr)
"Failed to set up led dpm config!",
return -EINVAL);
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_NumOfDisplays, 0);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_NumOfDisplays,
+ 0,
+ NULL);
return 0;
}
@@ -2303,16 +2305,15 @@ static int vega10_acg_enable(struct pp_hwmgr *hwmgr)
data->smu_features[GNLD_DPM_PREFETCHER].smu_feature_bitmap))
data->smu_features[GNLD_DPM_PREFETCHER].enabled = true;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitializeAcg, NULL);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc);
- agc_btc_response = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &agc_btc_response);
if (1 == agc_btc_response) {
if (1 == data->acg_loop_state)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgInClosedLoop);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgInClosedLoop, NULL);
else if (2 == data->acg_loop_state)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgInOpenLoop);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgInOpenLoop, NULL);
if (0 == vega10_enable_smc_features(hwmgr, true,
data->smu_features[GNLD_ACG].smu_feature_bitmap))
data->smu_features[GNLD_ACG].enabled = true;
@@ -2429,11 +2430,9 @@ static int vega10_populate_and_upload_avfs_fuse_override(struct pp_hwmgr *hwmgr)
struct vega10_hwmgr *data = hwmgr->backend;
AvfsFuseOverride_t *avfs_fuse_table = &(data->smc_state_table.avfs_fuse_override_table);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32);
- top32 = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32);
- bottom32 = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32);
serial_number = ((uint64_t)bottom32 << 32) | top32;
@@ -2610,14 +2609,16 @@ static int vega10_init_smc_table(struct pp_hwmgr *hwmgr)
if (0 != boot_up_values.usVddc) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFloorSocVoltage,
- (boot_up_values.usVddc * 4));
+ (boot_up_values.usVddc * 4),
+ NULL);
data->vbios_boot_state.bsoc_vddc_lock = true;
} else {
data->vbios_boot_state.bsoc_vddc_lock = false;
}
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetMinDeepSleepDcefclk,
- (uint32_t)(data->vbios_boot_state.dcef_clock / 100));
+ (uint32_t)(data->vbios_boot_state.dcef_clock / 100),
+ NULL);
}
result = vega10_populate_avfs_parameters(hwmgr);
@@ -2904,7 +2905,8 @@ static int vega10_start_dpm(struct pp_hwmgr *hwmgr, uint32_t bitmap)
if (data->vbios_boot_state.bsoc_vddc_lock) {
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetFloorSocVoltage, 0);
+ PPSMC_MSG_SetFloorSocVoltage, 0,
+ NULL);
data->vbios_boot_state.bsoc_vddc_lock = false;
}
@@ -2947,7 +2949,8 @@ static int vega10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
vega10_enable_disable_PCC_limit_feature(hwmgr, true);
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_ConfigureTelemetry, data->config_telemetry);
+ PPSMC_MSG_ConfigureTelemetry, data->config_telemetry,
+ NULL);
tmp_result = vega10_construct_voltage_tables(hwmgr);
PP_ASSERT_WITH_CODE(!tmp_result,
@@ -3528,7 +3531,8 @@ static int vega10_upload_dpm_bootup_level(struct pp_hwmgr *hwmgr)
data->dpm_table.gfx_table.dpm_state.soft_min_level) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMinGfxclkByIndex,
- data->smc_state_table.gfx_boot_level);
+ data->smc_state_table.gfx_boot_level,
+ NULL);
data->dpm_table.gfx_table.dpm_state.soft_min_level =
data->smc_state_table.gfx_boot_level;
@@ -3543,11 +3547,13 @@ static int vega10_upload_dpm_bootup_level(struct pp_hwmgr *hwmgr)
socclk_idx = vega10_get_soc_index_for_max_uclk(hwmgr);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMinSocclkByIndex,
- socclk_idx);
+ socclk_idx,
+ NULL);
} else {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMinUclkByIndex,
- data->smc_state_table.mem_boot_level);
+ data->smc_state_table.mem_boot_level,
+ NULL);
}
data->dpm_table.mem_table.dpm_state.soft_min_level =
data->smc_state_table.mem_boot_level;
@@ -3562,7 +3568,8 @@ static int vega10_upload_dpm_bootup_level(struct pp_hwmgr *hwmgr)
data->dpm_table.soc_table.dpm_state.soft_min_level) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMinSocclkByIndex,
- data->smc_state_table.soc_boot_level);
+ data->smc_state_table.soc_boot_level,
+ NULL);
data->dpm_table.soc_table.dpm_state.soft_min_level =
data->smc_state_table.soc_boot_level;
}
@@ -3582,7 +3589,8 @@ static int vega10_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
data->dpm_table.gfx_table.dpm_state.soft_max_level) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxclkByIndex,
- data->smc_state_table.gfx_max_level);
+ data->smc_state_table.gfx_max_level,
+ NULL);
data->dpm_table.gfx_table.dpm_state.soft_max_level =
data->smc_state_table.gfx_max_level;
}
@@ -3593,7 +3601,8 @@ static int vega10_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
data->dpm_table.mem_table.dpm_state.soft_max_level) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxUclkByIndex,
- data->smc_state_table.mem_max_level);
+ data->smc_state_table.mem_max_level,
+ NULL);
data->dpm_table.mem_table.dpm_state.soft_max_level =
data->smc_state_table.mem_max_level;
}
@@ -3607,7 +3616,8 @@ static int vega10_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
data->dpm_table.soc_table.dpm_state.soft_max_level) {
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxSocclkByIndex,
- data->smc_state_table.soc_max_level);
+ data->smc_state_table.soc_max_level,
+ NULL);
data->dpm_table.soc_table.dpm_state.soft_max_level =
data->smc_state_table.soc_max_level;
}
@@ -3694,7 +3704,8 @@ static int vega10_update_sclk_threshold(struct pp_hwmgr *hwmgr)
/* This message will also enable SmcToHost Interrupt */
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetLowGfxclkInterruptThreshold,
- (uint32_t)low_sclk_interrupt_threshold);
+ (uint32_t)low_sclk_interrupt_threshold,
+ NULL);
}
return 0;
@@ -3801,8 +3812,7 @@ static int vega10_get_gpu_power(struct pp_hwmgr *hwmgr,
if (!query)
return -EINVAL;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr);
- value = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrPkgPwr, &value);
/* SMC returning actual watts, keep consistent with legacy asics, low 8 bit as 8 fractional bits */
*query = value << 8;
@@ -3822,13 +3832,11 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
switch (idx) {
case AMDGPU_PP_SENSOR_GFX_SCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetAverageGfxclkActualFrequency);
- sclk_mhz = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetAverageGfxclkActualFrequency, &sclk_mhz);
*((uint32_t *)value) = sclk_mhz * 100;
break;
case AMDGPU_PP_SENSOR_GFX_MCLK:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex);
- mclk_idx = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &mclk_idx);
if (mclk_idx < dpm_table->mem_table.count) {
*((uint32_t *)value) = dpm_table->mem_table.dpm_levels[mclk_idx].value;
*size = 4;
@@ -3837,8 +3845,8 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
}
break;
case AMDGPU_PP_SENSOR_GPU_LOAD:
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetAverageGfxActivity, 0);
- activity_percent = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetAverageGfxActivity, 0,
+ &activity_percent);
*((uint32_t *)value) = activity_percent > 100 ? 100 : activity_percent;
*size = 4;
break;
@@ -3847,14 +3855,14 @@ static int vega10_read_sensor(struct pp_hwmgr *hwmgr, int idx,
*size = 4;
break;
case AMDGPU_PP_SENSOR_HOTSPOT_TEMP:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetTemperatureHotspot);
- *((uint32_t *)value) = smum_get_argument(hwmgr) *
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetTemperatureHotspot, (uint32_t *)value);
+ *((uint32_t *)value) = *((uint32_t *)value) *
PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
*size = 4;
break;
case AMDGPU_PP_SENSOR_MEM_TEMP:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetTemperatureHBM);
- *((uint32_t *)value) = smum_get_argument(hwmgr) *
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetTemperatureHBM, (uint32_t *)value);
+ *((uint32_t *)value) = *((uint32_t *)value) *
PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
*size = 4;
break;
@@ -3893,7 +3901,8 @@ static void vega10_notify_smc_display_change(struct pp_hwmgr *hwmgr,
{
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetUclkFastSwitch,
- has_disp ? 1 : 0);
+ has_disp ? 1 : 0,
+ NULL);
}
int vega10_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
@@ -3928,7 +3937,8 @@ int vega10_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
clk_request = (clk_freq << 16) | clk_select;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_RequestDisplayClockByFreq,
- clk_request);
+ clk_request,
+ NULL);
}
return result;
@@ -3990,7 +4000,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(
if (!vega10_display_clock_voltage_request(hwmgr, &clock_req)) {
smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetMinDeepSleepDcefclk,
- min_clocks.dcefClockInSR / 100);
+ min_clocks.dcefClockInSR / 100,
+ NULL);
} else {
pr_info("Attempt to set Hard Min for DCEFCLK Failed!");
}
@@ -4000,7 +4011,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(
if (min_clocks.memoryClock != 0) {
idx = vega10_get_uclk_index(hwmgr, mclk_table, min_clocks.memoryClock);
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetSoftMinUclkByIndex, idx);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetSoftMinUclkByIndex, idx,
+ NULL);
data->dpm_table.mem_table.dpm_state.soft_min_level= idx;
}
@@ -4541,8 +4553,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
if (data->registry_data.sclk_dpm_key_disabled)
break;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentGfxclkIndex, &now);
if (hwmgr->pp_one_vf &&
(hwmgr->dpm_level == AMD_DPM_FORCED_LEVEL_PROFILE_PEAK))
@@ -4558,8 +4569,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
if (data->registry_data.mclk_dpm_key_disabled)
break;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentUclkIndex, &now);
for (i = 0; i < mclk_table->count; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
@@ -4570,8 +4580,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
if (data->registry_data.socclk_dpm_key_disabled)
break;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentSocclkIndex, &now);
for (i = 0; i < soc_table->count; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
@@ -4583,8 +4592,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
break;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetClockFreqMHz, CLK_DCEFCLK);
- now = smum_get_argument(hwmgr);
+ PPSMC_MSG_GetClockFreqMHz, CLK_DCEFCLK, &now);
for (i = 0; i < dcef_table->count; i++)
size += sprintf(buf + size, "%d: %uMhz %s\n",
@@ -4593,8 +4601,7 @@ static int vega10_print_clock_levels(struct pp_hwmgr *hwmgr,
"*" : "");
break;
case PP_PCIE:
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentLinkIndex);
- now = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentLinkIndex, &now);
for (i = 0; i < pcie_table->count; i++)
size += sprintf(buf + size, "%d: %s %s\n", i,
@@ -4658,7 +4665,8 @@ static int vega10_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
if (data->water_marks_bitmap & WaterMarksLoaded) {
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, hwmgr->display_config->num_display);
+ PPSMC_MSG_NumOfDisplays, hwmgr->display_config->num_display,
+ NULL);
}
return result;
@@ -4924,21 +4932,26 @@ static int vega10_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
{
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrHigh,
- virtual_addr_hi);
+ virtual_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrLow,
- virtual_addr_low);
+ virtual_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrHigh,
- mc_addr_hi);
+ mc_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrLow,
- mc_addr_low);
+ mc_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramSize,
- size);
+ size,
+ NULL);
return 0;
}
@@ -5040,12 +5053,14 @@ static int vega10_set_power_profile_mode(struct pp_hwmgr *hwmgr, long *input, ui
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetCustomGfxDpmParameters,
busy_set_point | FPS<<8 |
- use_rlc_busy << 16 | min_active_level<<24);
+ use_rlc_busy << 16 | min_active_level<<24,
+ NULL);
}
out:
smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetWorkloadMask,
- 1 << power_profile_mode);
+ 1 << power_profile_mode,
+ NULL);
hwmgr->power_profile_mode = power_profile_mode;
return 0;
@@ -5302,7 +5317,7 @@ static int vega10_set_mp1_state(struct pp_hwmgr *hwmgr,
return 0;
}
- PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg, NULL)) == 0,
"[PrepareMp1] Failed!",
return ret);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
index 0a677d4bc87b..9757d47dd6b8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_powertune.c
@@ -651,18 +651,6 @@ static const struct vega10_didt_config_reg PSMSEEDCStallDelayConfig_Vega10[] =
{ 0xFFFFFFFF } /* End of list */
};
-static const struct vega10_didt_config_reg PSMSEEDCThresholdConfig_Vega10[] =
-{
-/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- * Offset Mask Shift Value
- * ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- */
- /* SQ EDC THRESHOLD */
- { ixDIDT_SQ_EDC_THRESHOLD, DIDT_SQ_EDC_THRESHOLD__EDC_THRESHOLD_MASK, DIDT_SQ_EDC_THRESHOLD__EDC_THRESHOLD__SHIFT, 0x0000 },
-
- { 0xFFFFFFFF } /* End of list */
-};
-
static const struct vega10_didt_config_reg PSMSEEDCCtrlResetConfig_Vega10[] =
{
/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
@@ -707,17 +695,6 @@ static const struct vega10_didt_config_reg PSMSEEDCCtrlConfig_Vega10[] =
{ 0xFFFFFFFF } /* End of list */
};
-static const struct vega10_didt_config_reg PSMGCEDCThresholdConfig_vega10[] =
-{
-/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- * Offset Mask Shift Value
- * ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
- */
- { mmGC_EDC_THRESHOLD, GC_EDC_THRESHOLD__EDC_THRESHOLD_MASK, GC_EDC_THRESHOLD__EDC_THRESHOLD__SHIFT, 0x0000000 },
-
- { 0xFFFFFFFF } /* End of list */
-};
-
static const struct vega10_didt_config_reg PSMGCEDCDroopCtrlConfig_vega10[] =
{
/* ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
@@ -925,7 +902,8 @@ static void vega10_didt_set_mask(struct pp_hwmgr *hwmgr, const bool enable)
/* For Vega10, SMC does not support any mask yet. */
if (enable)
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ConfigureGfxDidt, didt_block_info);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ConfigureGfxDidt, didt_block_info,
+ NULL);
}
@@ -1327,7 +1305,8 @@ int vega10_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
if (data->registry_data.enable_pkg_pwr_tracking_feature)
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetPptLimit, n);
+ PPSMC_MSG_SetPptLimit, n,
+ NULL);
return 0;
}
@@ -1393,7 +1372,8 @@ static void vega10_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
uint32_t adjust_percent)
{
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_OverDriveSetPercentage, adjust_percent);
+ PPSMC_MSG_OverDriveSetPercentage, adjust_percent,
+ NULL);
}
int vega10_power_control_set_level(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
index ba8763daa380..7783c7fd7ccb 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
@@ -31,8 +31,7 @@
static int vega10_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
{
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentRpm);
- *current_rpm = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetCurrentRpm, current_rpm);
return 0;
}
@@ -520,7 +519,8 @@ int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanTemperatureTarget,
- (uint32_t)table->FanTargetTemperature);
+ (uint32_t)table->FanTargetTemperature,
+ NULL);
table->FanPwmMin = hwmgr->thermal_controller.
advanceFanControlParameters.usPWMMin * 255 / 100;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
index 9d8ca94a8f0c..bc53cce4f32d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_baco.c
@@ -96,7 +96,7 @@ int vega12_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
if (state == BACO_STATE_IN) {
if (soc15_baco_program_registers(hwmgr, pre_baco_tbl,
ARRAY_SIZE(pre_baco_tbl))) {
- if (smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_EnterBaco, 0))
+ if (smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_EnterBaco, 0, NULL))
return -EINVAL;
if (soc15_baco_program_registers(hwmgr, enter_baco_tbl,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index aca61d1ff3c2..f4d1692cccf3 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -357,10 +357,8 @@ static void vega12_init_dpm_defaults(struct pp_hwmgr *hwmgr)
}
/* Get the SN to turn into a Unique ID */
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32);
- top32 = smum_get_argument(hwmgr);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32);
- bottom32 = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32);
adev->unique_id = ((uint64_t)bottom32 << 32) | top32;
}
@@ -483,16 +481,12 @@ static int vega12_get_number_of_dpm_level(struct pp_hwmgr *hwmgr,
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetDpmFreqByIndex,
- (clk_id << 16 | 0xFF));
+ (clk_id << 16 | 0xFF),
+ num_of_levels);
PP_ASSERT_WITH_CODE(!ret,
"[GetNumOfDpmLevel] failed to get dpm levels!",
return ret);
- *num_of_levels = smum_get_argument(hwmgr);
- PP_ASSERT_WITH_CODE(*num_of_levels > 0,
- "[GetNumOfDpmLevel] number of clk levels is invalid!",
- return -EINVAL);
-
return ret;
}
@@ -504,12 +498,11 @@ static int vega12_get_dpm_frequency_by_index(struct pp_hwmgr *hwmgr,
*Lower 16 bits specify the level
*/
PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmFreqByIndex, (clkID << 16 | index)) == 0,
+ PPSMC_MSG_GetDpmFreqByIndex, (clkID << 16 | index),
+ clock) == 0,
"[GetDpmFrequencyByIndex] Failed to get dpm frequency from SMU!",
return -EINVAL);
- *clock = smum_get_argument(hwmgr);
-
return 0;
}
@@ -749,7 +742,8 @@ static int vega12_init_smc_table(struct pp_hwmgr *hwmgr)
data->vbios_boot_state.vclock = boot_up_values.ulVClk;
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetMinDeepSleepDcefclk,
- (uint32_t)(data->vbios_boot_state.dcef_clock / 100));
+ (uint32_t)(data->vbios_boot_state.dcef_clock / 100),
+ NULL);
}
memcpy(pp_table, pptable_information->smc_pptable, sizeof(PPTable_t));
@@ -767,11 +761,10 @@ static int vega12_run_acg_btc(struct pp_hwmgr *hwmgr)
uint32_t result;
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc) == 0,
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAcgBtc, &result) == 0,
"[Run_ACG_BTC] Attempt to run ACG BTC failed!",
return -EINVAL);
- result = smum_get_argument(hwmgr);
PP_ASSERT_WITH_CODE(result == 1,
"Failed to run ACG BTC!", return -EINVAL);
@@ -792,12 +785,14 @@ static int vega12_set_allowed_featuresmask(struct pp_hwmgr *hwmgr)
(allowed_features_low |= ((data->smu_features[i].smu_feature_bitmap >> SMU_FEATURES_LOW_SHIFT) & 0xFFFFFFFF));
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetAllowedFeaturesMaskHigh, allowed_features_high) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetAllowedFeaturesMaskHigh, allowed_features_high,
+ NULL) == 0,
"[SetAllowedFeaturesMask] Attempt to set allowed features mask (high) failed!",
return -1);
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetAllowedFeaturesMaskLow, allowed_features_low) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetAllowedFeaturesMaskLow, allowed_features_low,
+ NULL) == 0,
"[SetAllowedFeaturesMask] Attempt to set allowed features mask (low) failed!",
return -1);
@@ -828,7 +823,7 @@ static int vega12_enable_all_smu_features(struct pp_hwmgr *hwmgr)
bool enabled;
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAllSmuFeatures) == 0,
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAllSmuFeatures, NULL) == 0,
"[EnableAllSMUFeatures] Failed to enable all smu features!",
return -1);
@@ -854,7 +849,7 @@ static int vega12_disable_all_smu_features(struct pp_hwmgr *hwmgr)
bool enabled;
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableAllSmuFeatures) == 0,
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisableAllSmuFeatures, NULL) == 0,
"[DisableAllSMUFeatures] Failed to disable all smu features!",
return -1);
@@ -879,7 +874,8 @@ static int vega12_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
uint32_t adjust_percent)
{
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_OverDriveSetPercentage, adjust_percent);
+ PPSMC_MSG_OverDriveSetPercentage, adjust_percent,
+ NULL);
}
static int vega12_power_control_set_level(struct pp_hwmgr *hwmgr)
@@ -902,24 +898,24 @@ static int vega12_get_all_clock_ranges_helper(struct pp_hwmgr *hwmgr,
{
/* AC Max */
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetMaxDpmFreq, (clkid << 16)) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetMaxDpmFreq, (clkid << 16),
+ &(clock->ACMax)) == 0,
"[GetClockRanges] Failed to get max ac clock from SMC!",
return -EINVAL);
- clock->ACMax = smum_get_argument(hwmgr);
/* AC Min */
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetMinDpmFreq, (clkid << 16)) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetMinDpmFreq, (clkid << 16),
+ &(clock->ACMin)) == 0,
"[GetClockRanges] Failed to get min ac clock from SMC!",
return -EINVAL);
- clock->ACMin = smum_get_argument(hwmgr);
/* DC Max */
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetDcModeMaxDpmFreq, (clkid << 16)) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetDcModeMaxDpmFreq, (clkid << 16),
+ &(clock->DCMax)) == 0,
"[GetClockRanges] Failed to get max dc clock from SMC!",
return -EINVAL);
- clock->DCMax = smum_get_argument(hwmgr);
return 0;
}
@@ -944,7 +940,7 @@ static int vega12_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
int tmp_result, result = 0;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, 0);
+ PPSMC_MSG_NumOfDisplays, 0, NULL);
result = vega12_set_allowed_featuresmask(hwmgr);
PP_ASSERT_WITH_CODE(result == 0,
@@ -1043,7 +1039,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
min_freq = data->dpm_table.gfx_table.dpm_state.soft_min_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_GFXCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_GFXCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min gfxclk !",
return ret);
}
@@ -1052,14 +1049,16 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
min_freq = data->dpm_table.mem_table.dpm_state.soft_min_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_UCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_UCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min memclk !",
return ret);
min_freq = data->dpm_table.mem_table.dpm_state.hard_min_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_UCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_UCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set hard min memclk !",
return ret);
}
@@ -1069,7 +1068,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_VCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_VCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min vclk!",
return ret);
@@ -1077,7 +1077,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_DCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_DCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min dclk!",
return ret);
}
@@ -1087,7 +1088,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_ECLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_ECLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min eclk!",
return ret);
}
@@ -1097,7 +1099,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_SOCCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_SOCCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min socclk!",
return ret);
}
@@ -1107,7 +1110,8 @@ static int vega12_upload_dpm_min_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_DCEFCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_DCEFCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set hard min dcefclk!",
return ret);
}
@@ -1127,7 +1131,8 @@ static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_GFXCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_GFXCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max gfxclk!",
return ret);
}
@@ -1137,7 +1142,8 @@ static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_UCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_UCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max memclk!",
return ret);
}
@@ -1147,14 +1153,16 @@ static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_VCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_VCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max vclk!",
return ret);
max_freq = data->dpm_table.dclk_table.dpm_state.soft_max_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_DCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_DCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max dclk!",
return ret);
}
@@ -1164,7 +1172,8 @@ static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_ECLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_ECLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max eclk!",
return ret);
}
@@ -1174,7 +1183,8 @@ static int vega12_upload_dpm_max_level(struct pp_hwmgr *hwmgr)
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_SOCCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_SOCCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max socclk!",
return ret);
}
@@ -1287,10 +1297,10 @@ static int vega12_get_current_gfx_clk_freq(struct pp_hwmgr *hwmgr, uint32_t *gfx
*gfx_freq = 0;
PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (PPCLK_GFXCLK << 16)) == 0,
+ PPSMC_MSG_GetDpmClockFreq, (PPCLK_GFXCLK << 16),
+ &gfx_clk) == 0,
"[GetCurrentGfxClkFreq] Attempt to get Current GFXCLK Frequency Failed!",
return -EINVAL);
- gfx_clk = smum_get_argument(hwmgr);
*gfx_freq = gfx_clk * 100;
@@ -1304,10 +1314,10 @@ static int vega12_get_current_mclk_freq(struct pp_hwmgr *hwmgr, uint32_t *mclk_f
*mclk_freq = 0;
PP_ASSERT_WITH_CODE(
- smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetDpmClockFreq, (PPCLK_UCLK << 16)) == 0,
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetDpmClockFreq, (PPCLK_UCLK << 16),
+ &mem_clk) == 0,
"[GetCurrentMClkFreq] Attempt to get Current MCLK Frequency Failed!",
return -EINVAL);
- mem_clk = smum_get_argument(hwmgr);
*mclk_freq = mem_clk * 100;
@@ -1420,7 +1430,8 @@ static int vega12_notify_smc_display_change(struct pp_hwmgr *hwmgr,
if (data->smu_features[GNLD_DPM_UCLK].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetUclkFastSwitch,
- has_disp ? 1 : 0);
+ has_disp ? 1 : 0,
+ NULL);
return 0;
}
@@ -1459,7 +1470,8 @@ int vega12_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
clk_request = (clk_select << 16) | clk_freq;
result = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinByFreq,
- clk_request);
+ clk_request,
+ NULL);
}
}
@@ -1493,7 +1505,8 @@ static int vega12_notify_smc_display_config_after_ps_adjustment(
PP_ASSERT_WITH_CODE(
!smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetMinDeepSleepDcefclk,
- min_clocks.dcefClockInSR /100),
+ min_clocks.dcefClockInSR /100,
+ NULL),
"Attempt to set divider for DCEFCLK Failed!",
return -1);
} else {
@@ -2124,10 +2137,10 @@ static int vega12_print_clock_levels(struct pp_hwmgr *hwmgr,
case PP_SOCCLK:
PP_ASSERT_WITH_CODE(
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (PPCLK_SOCCLK << 16)) == 0,
+ PPSMC_MSG_GetDpmClockFreq, (PPCLK_SOCCLK << 16),
+ &now) == 0,
"Attempt to get Current SOCCLK Frequency Failed!",
return -EINVAL);
- now = smum_get_argument(hwmgr);
PP_ASSERT_WITH_CODE(
vega12_get_socclocks(hwmgr, &clocks) == 0,
@@ -2142,10 +2155,10 @@ static int vega12_print_clock_levels(struct pp_hwmgr *hwmgr,
case PP_DCEFCLK:
PP_ASSERT_WITH_CODE(
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (PPCLK_DCEFCLK << 16)) == 0,
+ PPSMC_MSG_GetDpmClockFreq, (PPCLK_DCEFCLK << 16),
+ &now) == 0,
"Attempt to get Current DCEFCLK Frequency Failed!",
return -EINVAL);
- now = smum_get_argument(hwmgr);
PP_ASSERT_WITH_CODE(
vega12_get_dcefclocks(hwmgr, &clocks) == 0,
@@ -2343,7 +2356,8 @@ static int vega12_set_uclk_to_highest_dpm_level(struct pp_hwmgr *hwmgr,
dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)),
+ (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level,
+ NULL)),
"[SetUclkToHightestDpmLevel] Set hard min uclk failed!",
return ret);
}
@@ -2357,7 +2371,8 @@ static int vega12_pre_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
int ret = 0;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, 0);
+ PPSMC_MSG_NumOfDisplays, 0,
+ NULL);
ret = vega12_set_uclk_to_highest_dpm_level(hwmgr,
&data->dpm_table.mem_table);
@@ -2383,7 +2398,8 @@ static int vega12_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
data->smu_features[GNLD_DPM_DCEFCLK].supported &&
data->smu_features[GNLD_DPM_SOCCLK].supported)
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, hwmgr->display_config->num_display);
+ PPSMC_MSG_NumOfDisplays, hwmgr->display_config->num_display,
+ NULL);
return result;
}
@@ -2555,21 +2571,26 @@ static int vega12_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
{
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrHigh,
- virtual_addr_hi);
+ virtual_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrLow,
- virtual_addr_low);
+ virtual_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrHigh,
- mc_addr_hi);
+ mc_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrLow,
- mc_addr_low);
+ mc_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramSize,
- size);
+ size,
+ NULL);
return 0;
}
@@ -2605,7 +2626,7 @@ static int vega12_enable_gfx_off(struct pp_hwmgr *hwmgr)
int ret = 0;
if (data->gfxoff_controlled_by_driver)
- ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_AllowGfxOff);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_AllowGfxOff, NULL);
return ret;
}
@@ -2617,7 +2638,7 @@ static int vega12_disable_gfx_off(struct pp_hwmgr *hwmgr)
int ret = 0;
if (data->gfxoff_controlled_by_driver)
- ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisallowGfxOff);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisallowGfxOff, NULL);
return ret;
}
@@ -2654,7 +2675,7 @@ static int vega12_set_mp1_state(struct pp_hwmgr *hwmgr,
return 0;
}
- PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg, NULL)) == 0,
"[PrepareMp1] Failed!",
return ret);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
index 904eb2c9155b..c85806a6f62e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
@@ -32,10 +32,10 @@
static int vega12_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
{
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetCurrentRpm),
+ PPSMC_MSG_GetCurrentRpm,
+ current_rpm),
"Attempt to get current RPM from SMC Failed!",
return -EINVAL);
- *current_rpm = smum_get_argument(hwmgr);
return 0;
}
@@ -259,7 +259,8 @@ int vega12_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanTemperatureTarget,
- (uint32_t)table->FanTargetTemperature);
+ (uint32_t)table->FanTargetTemperature,
+ NULL);
return ret;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
index 9b5e72bdceca..2a28c9df15a0 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_baco.c
@@ -91,16 +91,16 @@ int vega20_baco_set_state(struct pp_hwmgr *hwmgr, enum BACO_STATE state)
WREG32_SOC15(THM, 0, mmTHM_BACO_CNTL, data);
if(smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnterBaco, 0))
+ PPSMC_MSG_EnterBaco, 0, NULL))
return -EINVAL;
} else {
if(smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnterBaco, 1))
+ PPSMC_MSG_EnterBaco, 1, NULL))
return -EINVAL;
}
} else if (state == BACO_STATE_OUT) {
- if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ExitBaco))
+ if (smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ExitBaco, NULL))
return -EINVAL;
if (!soc15_baco_program_registers(hwmgr, clean_baco_tbl,
ARRAY_SIZE(clean_baco_tbl)))
@@ -118,5 +118,5 @@ int vega20_baco_apply_vdci_flush_workaround(struct pp_hwmgr *hwmgr)
if (ret)
return ret;
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_BacoWorkAroundFlushVDCI);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_BacoWorkAroundFlushVDCI, NULL);
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 08b6ba39a6d7..9ff470f1b826 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -92,8 +92,7 @@ static void vega20_set_default_registry_data(struct pp_hwmgr *hwmgr)
*/
data->registry_data.disallowed_features = 0xE0041C00;
/* ECC feature should be disabled on old SMUs */
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
- hwmgr->smu_version = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion, &hwmgr->smu_version);
if (hwmgr->smu_version < 0x282100)
data->registry_data.disallowed_features |= FEATURE_ECC_MASK;
@@ -400,10 +399,8 @@ static void vega20_init_dpm_defaults(struct pp_hwmgr *hwmgr)
}
/* Get the SN to turn into a Unique ID */
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32);
- top32 = smum_get_argument(hwmgr);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32);
- bottom32 = smum_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumTop32, &top32);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ReadSerialNumBottom32, &bottom32);
adev->unique_id = ((uint64_t)bottom32 << 32) | top32;
}
@@ -527,16 +524,12 @@ static int vega20_get_number_of_dpm_level(struct pp_hwmgr *hwmgr,
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetDpmFreqByIndex,
- (clk_id << 16 | 0xFF));
+ (clk_id << 16 | 0xFF),
+ num_of_levels);
PP_ASSERT_WITH_CODE(!ret,
"[GetNumOfDpmLevel] failed to get dpm levels!",
return ret);
- *num_of_levels = smum_get_argument(hwmgr);
- PP_ASSERT_WITH_CODE(*num_of_levels > 0,
- "[GetNumOfDpmLevel] number of clk levels is invalid!",
- return -EINVAL);
-
return ret;
}
@@ -547,16 +540,12 @@ static int vega20_get_dpm_frequency_by_index(struct pp_hwmgr *hwmgr,
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetDpmFreqByIndex,
- (clk_id << 16 | index));
+ (clk_id << 16 | index),
+ clk);
PP_ASSERT_WITH_CODE(!ret,
"[GetDpmFreqByIndex] failed to get dpm freq by index!",
return ret);
- *clk = smum_get_argument(hwmgr);
- PP_ASSERT_WITH_CODE(*clk,
- "[GetDpmFreqByIndex] clk value is invalid!",
- return -EINVAL);
-
return ret;
}
@@ -813,7 +802,8 @@ static int vega20_init_smc_table(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetMinDeepSleepDcefclk,
- (uint32_t)(data->vbios_boot_state.dcef_clock / 100));
+ (uint32_t)(data->vbios_boot_state.dcef_clock / 100),
+ NULL);
memcpy(pp_table, pptable_information->smc_pptable, sizeof(PPTable_t));
@@ -868,7 +858,8 @@ static int vega20_override_pcie_parameters(struct pp_hwmgr *hwmgr)
*/
smu_pcie_arg = (1 << 16) | (pcie_gen << 8) | pcie_width;
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_OverridePcieParameters, smu_pcie_arg);
+ PPSMC_MSG_OverridePcieParameters, smu_pcie_arg,
+ NULL);
PP_ASSERT_WITH_CODE(!ret,
"[OverridePcieParameters] Attempt to override pcie params failed!",
return ret);
@@ -899,13 +890,13 @@ static int vega20_set_allowed_featuresmask(struct pp_hwmgr *hwmgr)
& 0xFFFFFFFF));
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetAllowedFeaturesMaskHigh, allowed_features_high);
+ PPSMC_MSG_SetAllowedFeaturesMaskHigh, allowed_features_high, NULL);
PP_ASSERT_WITH_CODE(!ret,
"[SetAllowedFeaturesMask] Attempt to set allowed features mask(high) failed!",
return ret);
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetAllowedFeaturesMaskLow, allowed_features_low);
+ PPSMC_MSG_SetAllowedFeaturesMaskLow, allowed_features_low, NULL);
PP_ASSERT_WITH_CODE(!ret,
"[SetAllowedFeaturesMask] Attempt to set allowed features mask (low) failed!",
return ret);
@@ -915,12 +906,12 @@ static int vega20_set_allowed_featuresmask(struct pp_hwmgr *hwmgr)
static int vega20_run_btc(struct pp_hwmgr *hwmgr)
{
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunBtc);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunBtc, NULL);
}
static int vega20_run_btc_afll(struct pp_hwmgr *hwmgr)
{
- return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAfllBtc);
+ return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_RunAfllBtc, NULL);
}
static int vega20_enable_all_smu_features(struct pp_hwmgr *hwmgr)
@@ -933,7 +924,8 @@ static int vega20_enable_all_smu_features(struct pp_hwmgr *hwmgr)
int ret = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_EnableAllSmuFeatures)) == 0,
+ PPSMC_MSG_EnableAllSmuFeatures,
+ NULL)) == 0,
"[EnableAllSMUFeatures] Failed to enable all smu features!",
return ret);
@@ -966,7 +958,8 @@ static int vega20_notify_smc_display_change(struct pp_hwmgr *hwmgr)
if (data->smu_features[GNLD_DPM_UCLK].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetUclkFastSwitch,
- 1);
+ 1,
+ NULL);
return 0;
}
@@ -978,7 +971,8 @@ static int vega20_send_clock_ratio(struct pp_hwmgr *hwmgr)
return smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFclkGfxClkRatio,
- data->registry_data.fclk_gfxclk_ratio);
+ data->registry_data.fclk_gfxclk_ratio,
+ NULL);
}
static int vega20_disable_all_smu_features(struct pp_hwmgr *hwmgr)
@@ -991,7 +985,8 @@ static int vega20_disable_all_smu_features(struct pp_hwmgr *hwmgr)
int ret = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_DisableAllSmuFeatures)) == 0,
+ PPSMC_MSG_DisableAllSmuFeatures,
+ NULL)) == 0,
"[DisableAllSMUFeatures] Failed to disable all smu features!",
return ret);
@@ -1199,12 +1194,12 @@ static int vega20_od8_get_gfx_clock_base_voltage(
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetAVFSVoltageByDpm,
- ((AVFS_CURVE << 24) | (OD8_HOTCURVE_TEMPERATURE << 16) | freq));
+ ((AVFS_CURVE << 24) | (OD8_HOTCURVE_TEMPERATURE << 16) | freq),
+ voltage);
PP_ASSERT_WITH_CODE(!ret,
"[GetBaseVoltage] failed to get GFXCLK AVFS voltage from SMU!",
return ret);
- *voltage = smum_get_argument(hwmgr);
*voltage = *voltage / VOLTAGE_SCALE;
return 0;
@@ -1560,19 +1555,19 @@ static int vega20_get_max_sustainable_clock(struct pp_hwmgr *hwmgr,
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetDcModeMaxDpmFreq,
- (clock_select << 16))) == 0,
+ (clock_select << 16),
+ clock)) == 0,
"[GetMaxSustainableClock] Failed to get max DC clock from SMC!",
return ret);
- *clock = smum_get_argument(hwmgr);
/* if DC limit is zero, return AC limit */
if (*clock == 0) {
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetMaxDpmFreq,
- (clock_select << 16))) == 0,
+ (clock_select << 16),
+ clock)) == 0,
"[GetMaxSustainableClock] failed to get max AC clock from SMC!",
return ret);
- *clock = smum_get_argument(hwmgr);
}
return 0;
@@ -1641,7 +1636,8 @@ static int vega20_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr)
int result;
result = smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_SetMGpuFanBoostLimitRpm);
+ PPSMC_MSG_SetMGpuFanBoostLimitRpm,
+ NULL);
PP_ASSERT_WITH_CODE(!result,
"[EnableMgpuFan] Failed to enable mgpu fan boost!",
return result);
@@ -1669,7 +1665,7 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
int result = 0;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, 0);
+ PPSMC_MSG_NumOfDisplays, 0, NULL);
result = vega20_set_allowed_featuresmask(hwmgr);
PP_ASSERT_WITH_CODE(!result,
@@ -1740,12 +1736,12 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
return result);
result = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetPptLimit,
- POWER_SOURCE_AC << 16);
+ POWER_SOURCE_AC << 16, &hwmgr->default_power_limit);
PP_ASSERT_WITH_CODE(!result,
"[GetPptLimit] get default PPT limit failed!",
return result);
hwmgr->power_limit =
- hwmgr->default_power_limit = smum_get_argument(hwmgr);
+ hwmgr->default_power_limit;
return 0;
}
@@ -1806,7 +1802,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
min_freq = data->dpm_table.gfx_table.dpm_state.soft_min_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_GFXCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_GFXCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min gfxclk !",
return ret);
}
@@ -1816,7 +1813,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
min_freq = data->dpm_table.mem_table.dpm_state.soft_min_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_UCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_UCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min memclk !",
return ret);
}
@@ -1827,7 +1825,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_VCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_VCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min vclk!",
return ret);
@@ -1835,7 +1834,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_DCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_DCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min dclk!",
return ret);
}
@@ -1846,7 +1846,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_ECLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_ECLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min eclk!",
return ret);
}
@@ -1857,7 +1858,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_SOCCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_SOCCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min socclk!",
return ret);
}
@@ -1868,7 +1870,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_FCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_FCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set soft min fclk!",
return ret);
}
@@ -1879,7 +1882,8 @@ static int vega20_upload_dpm_min_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_DCEFCLK << 16) | (min_freq & 0xffff))),
+ (PPCLK_DCEFCLK << 16) | (min_freq & 0xffff),
+ NULL)),
"Failed to set hard min dcefclk!",
return ret);
}
@@ -1900,7 +1904,8 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_GFXCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_GFXCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max gfxclk!",
return ret);
}
@@ -1911,7 +1916,8 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_UCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_UCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max memclk!",
return ret);
}
@@ -1922,14 +1928,16 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_VCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_VCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max vclk!",
return ret);
max_freq = data->dpm_table.dclk_table.dpm_state.soft_max_level;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_DCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_DCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max dclk!",
return ret);
}
@@ -1940,7 +1948,8 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_ECLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_ECLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max eclk!",
return ret);
}
@@ -1951,7 +1960,8 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_SOCCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_SOCCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max socclk!",
return ret);
}
@@ -1962,7 +1972,8 @@ static int vega20_upload_dpm_max_level(struct pp_hwmgr *hwmgr, uint32_t feature_
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetSoftMaxByFreq,
- (PPCLK_FCLK << 16) | (max_freq & 0xffff))),
+ (PPCLK_FCLK << 16) | (max_freq & 0xffff),
+ NULL)),
"Failed to set soft max fclk!",
return ret);
}
@@ -2006,17 +2017,17 @@ static int vega20_get_clock_ranges(struct pp_hwmgr *hwmgr,
if (max) {
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetMaxDpmFreq, (clock_select << 16))) == 0,
+ PPSMC_MSG_GetMaxDpmFreq, (clock_select << 16),
+ clock)) == 0,
"[GetClockRanges] Failed to get max clock from SMC!",
return ret);
- *clock = smum_get_argument(hwmgr);
} else {
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_GetMinDpmFreq,
- (clock_select << 16))) == 0,
+ (clock_select << 16),
+ clock)) == 0,
"[GetClockRanges] Failed to get min clock from SMC!",
return ret);
- *clock = smum_get_argument(hwmgr);
}
return 0;
@@ -2122,10 +2133,10 @@ static int vega20_get_current_clk_freq(struct pp_hwmgr *hwmgr,
*clk_freq = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_GetDpmClockFreq, (clk_id << 16))) == 0,
+ PPSMC_MSG_GetDpmClockFreq, (clk_id << 16),
+ clk_freq)) == 0,
"[GetCurrentClkFreq] Attempt to get Current Frequency Failed!",
return ret);
- *clk_freq = smum_get_argument(hwmgr);
*clk_freq = *clk_freq * 100;
@@ -2276,7 +2287,8 @@ int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
clk_request = (clk_select << 16) | clk_freq;
result = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinByFreq,
- clk_request);
+ clk_request,
+ NULL);
}
}
@@ -2312,7 +2324,8 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
if (data->smu_features[GNLD_DS_DCEFCLK].supported)
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(
hwmgr, PPSMC_MSG_SetMinDeepSleepDcefclk,
- min_clocks.dcefClockInSR / 100)) == 0,
+ min_clocks.dcefClockInSR / 100,
+ NULL)) == 0,
"Attempt to set divider for DCEFCLK Failed!",
return ret);
} else {
@@ -2324,7 +2337,8 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
dpm_table->dpm_state.hard_min_level = min_clocks.memoryClock / 100;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)),
+ (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level,
+ NULL)),
"[SetHardMinFreq] Set hard min uclk failed!",
return ret);
}
@@ -2656,7 +2670,8 @@ static int vega20_force_clock_level(struct pp_hwmgr *hwmgr,
return -EINVAL;
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetMinLinkDpmByIndex, soft_min_level);
+ PPSMC_MSG_SetMinLinkDpmByIndex, soft_min_level,
+ NULL);
PP_ASSERT_WITH_CODE(!ret,
"Failed to set min link dpm level!",
return ret);
@@ -3140,7 +3155,7 @@ static int vega20_set_mp1_state(struct pp_hwmgr *hwmgr,
return 0;
}
- PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg, NULL)) == 0,
"[PrepareMp1] Failed!",
return ret);
@@ -3495,7 +3510,8 @@ static int vega20_set_uclk_to_highest_dpm_level(struct pp_hwmgr *hwmgr,
dpm_table->dpm_state.hard_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinByFreq,
- (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level)),
+ (PPCLK_UCLK << 16 ) | dpm_table->dpm_state.hard_min_level,
+ NULL)),
"[SetUclkToHightestDpmLevel] Set hard min uclk failed!",
return ret);
}
@@ -3520,7 +3536,8 @@ static int vega20_set_fclk_to_highest_dpm_level(struct pp_hwmgr *hwmgr)
dpm_table->dpm_state.soft_min_level = dpm_table->dpm_levels[dpm_table->count - 1].value;
PP_ASSERT_WITH_CODE(!(ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMinByFreq,
- (PPCLK_FCLK << 16 ) | dpm_table->dpm_state.soft_min_level)),
+ (PPCLK_FCLK << 16 ) | dpm_table->dpm_state.soft_min_level,
+ NULL)),
"[SetFclkToHightestDpmLevel] Set soft min fclk failed!",
return ret);
}
@@ -3534,7 +3551,7 @@ static int vega20_pre_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
int ret = 0;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_NumOfDisplays, 0);
+ PPSMC_MSG_NumOfDisplays, 0, NULL);
ret = vega20_set_uclk_to_highest_dpm_level(hwmgr,
&data->dpm_table.mem_table);
@@ -3565,7 +3582,8 @@ static int vega20_display_configuration_changed_task(struct pp_hwmgr *hwmgr)
data->smu_features[GNLD_DPM_SOCCLK].supported) {
result = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_NumOfDisplays,
- hwmgr->display_config->num_display);
+ hwmgr->display_config->num_display,
+ NULL);
}
return result;
@@ -4082,7 +4100,8 @@ out:
workload_type =
conv_power_profile_to_pplib_workload(power_profile_mode);
smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_SetWorkloadMask,
- 1 << workload_type);
+ 1 << workload_type,
+ NULL);
hwmgr->power_profile_mode = power_profile_mode;
@@ -4098,21 +4117,26 @@ static int vega20_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
{
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrHigh,
- virtual_addr_hi);
+ virtual_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSystemVirtualDramAddrLow,
- virtual_addr_low);
+ virtual_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrHigh,
- mc_addr_hi);
+ mc_addr_hi,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramAddrLow,
- mc_addr_low);
+ mc_addr_low,
+ NULL);
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DramLogSetDramSize,
- size);
+ size,
+ NULL);
return 0;
}
@@ -4153,7 +4177,8 @@ static int vega20_smu_i2c_bus_access(struct pp_hwmgr *hwmgr, bool acquire)
(acquire ?
PPSMC_MSG_RequestI2CBus :
PPSMC_MSG_ReleaseI2CBus),
- 0);
+ 0,
+ NULL);
PP_ASSERT_WITH_CODE(!res, "[SmuI2CAccessBus] Failed to access bus!", return res);
return res;
@@ -4170,7 +4195,8 @@ static int vega20_set_df_cstate(struct pp_hwmgr *hwmgr,
return -EINVAL;
}
- ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DFCstateControl, state);
+ ret = smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DFCstateControl, state,
+ NULL);
if (ret)
pr_err("SetDfCstate failed!\n");
@@ -4184,7 +4210,8 @@ static int vega20_set_xgmi_pstate(struct pp_hwmgr *hwmgr,
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetXgmiMode,
- pstate ? XGMI_MODE_PSTATE_D0 : XGMI_MODE_PSTATE_D3);
+ pstate ? XGMI_MODE_PSTATE_D0 : XGMI_MODE_PSTATE_D3,
+ NULL);
if (ret)
pr_err("SetXgmiPstate failed!\n");
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_powertune.c
index a0bfb65cc5d6..d7cc3d2d9e17 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_powertune.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_powertune.c
@@ -36,7 +36,8 @@ int vega20_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n)
if (data->smu_features[GNLD_PPT].enabled)
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetPptLimit, n);
+ PPSMC_MSG_SetPptLimit, n,
+ NULL);
return 0;
}
@@ -51,7 +52,8 @@ static int vega20_set_overdrive_target_percentage(struct pp_hwmgr *hwmgr,
uint32_t adjust_percent)
{
return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_OverDriveSetPercentage, adjust_percent);
+ PPSMC_MSG_OverDriveSetPercentage, adjust_percent,
+ NULL);
}
int vega20_power_control_set_level(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c
index ede54e87e287..7add2f60f49c 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_thermal.c
@@ -106,10 +106,10 @@ static int vega20_get_current_rpm(struct pp_hwmgr *hwmgr, uint32_t *current_rpm)
int ret = 0;
PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetCurrentRpm)) == 0,
+ PPSMC_MSG_GetCurrentRpm,
+ current_rpm)) == 0,
"Attempt to get current RPM from SMC Failed!",
return ret);
- *current_rpm = smum_get_argument(hwmgr);
return 0;
}
@@ -329,7 +329,8 @@ static int vega20_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanTemperatureTarget,
- (uint32_t)table->FanTargetTemperature);
+ (uint32_t)table->FanTargetTemperature,
+ NULL);
return ret;
}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index ae2c318dd6fa..4d1c2a44a8b6 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -405,7 +405,9 @@ struct smu_context
bool pm_enabled;
bool is_apu;
- uint32_t smc_if_version;
+ uint32_t smc_driver_if_version;
+ uint32_t smc_fw_if_version;
+ uint32_t smc_fw_version;
bool uploading_custom_pp_table;
bool dc_controlled_by_gpio;
@@ -489,6 +491,7 @@ struct pptable_funcs {
int (*get_dpm_clk_limited)(struct smu_context *smu, enum smu_clk_type clk_type,
uint32_t dpm_level, uint32_t *freq);
int (*set_df_cstate)(struct smu_context *smu, enum pp_df_cstate state);
+ int (*allow_xgmi_power_down)(struct smu_context *smu, bool en);
int (*update_pcie_parameters)(struct smu_context *smu, uint32_t pcie_gen_cap, uint32_t pcie_width_cap);
int (*i2c_eeprom_init)(struct i2c_adapter *control);
void (*i2c_eeprom_fini)(struct i2c_adapter *control);
@@ -580,11 +583,6 @@ int smu_check_fw_status(struct smu_context *smu);
int smu_set_gfx_cgpg(struct smu_context *smu, bool enabled);
-#define smu_i2c_eeprom_init(smu, control) \
- ((smu)->ppt_funcs->i2c_eeprom_init ? (smu)->ppt_funcs->i2c_eeprom_init((control)) : -EINVAL)
-#define smu_i2c_eeprom_fini(smu, control) \
- ((smu)->ppt_funcs->i2c_eeprom_fini ? (smu)->ppt_funcs->i2c_eeprom_fini((control)) : -EINVAL)
-
int smu_set_fan_speed_rpm(struct smu_context *smu, uint32_t speed);
int smu_get_power_limit(struct smu_context *smu,
@@ -734,6 +732,7 @@ int smu_set_mp1_state(struct smu_context *smu,
enum pp_mp1_state mp1_state);
int smu_set_df_cstate(struct smu_context *smu,
enum pp_df_cstate state);
+int smu_allow_xgmi_power_down(struct smu_context *smu, bool en);
int smu_get_max_sustainable_clocks_by_dc(struct smu_context *smu,
struct pp_smu_nv_clock_table *max_clocks);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/arcturus_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/arcturus_ppsmc.h
index f736d773f9d6..e07478b6ac04 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/arcturus_ppsmc.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/arcturus_ppsmc.h
@@ -114,7 +114,8 @@
#define PPSMC_MSG_SetNumBadHbmPagesRetired 0x3A
#define PPSMC_MSG_DFCstateControl 0x3B
-#define PPSMC_Message_Count 0x3C
+#define PPSMC_MSG_GmiPwrDnControl 0x3D
+#define PPSMC_Message_Count 0x3E
typedef uint32_t PPSMC_Result;
typedef uint32_t PPSMC_Msg;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index 2ffb666b97e6..15ed6cbdf366 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -743,6 +743,7 @@ struct pp_hwmgr {
bool pm_en;
bool pp_one_vf;
struct mutex smu_lock;
+ struct mutex msg_lock;
uint32_t pp_table_version;
void *device;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if_arcturus.h b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if_arcturus.h
index ce5b5011c122..8b82059d97e7 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if_arcturus.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu11_driver_if_arcturus.h
@@ -82,8 +82,8 @@
// Other
#define FEATURE_OUT_OF_BAND_MONITOR_BIT 24
#define FEATURE_TEMP_DEPENDENT_VMIN_BIT 25
+#define FEATURE_PER_PART_VMIN_BIT 26
-#define FEATURE_SPARE_26_BIT 26
#define FEATURE_SPARE_27_BIT 27
#define FEATURE_SPARE_28_BIT 28
#define FEATURE_SPARE_29_BIT 29
@@ -154,6 +154,7 @@
#define FEATURE_OUT_OF_BAND_MONITOR_MASK (1 << FEATURE_OUT_OF_BAND_MONITOR_BIT )
#define FEATURE_TEMP_DEPENDENT_VMIN_MASK (1 << FEATURE_TEMP_DEPENDENT_VMIN_BIT )
+#define FEATURE_PER_PART_VMIN_MASK (1 << FEATURE_PER_PART_VMIN_BIT )
//FIXME need updating
@@ -628,8 +629,14 @@ typedef struct {
uint16_t BasePerformanceFrequencyCap; //In Mhz
uint16_t MaxPerformanceFrequencyCap; //In Mhz
+ // Per-Part Vmin
+ uint16_t VDDGFX_VminLow; // mv Q2
+ uint16_t VDDGFX_TVminLow; //Celcius
+ uint16_t VDDGFX_VminLow_HiTemp; // mv Q2
+ uint16_t VDDGFX_VminLow_LoTemp; // mv Q2
+
// SECTION: Reserved
- uint32_t Reserved[9];
+ uint32_t Reserved[7];
// SECTION: BOARD PARAMETERS
@@ -869,6 +876,10 @@ typedef struct {
uint8_t Mem_DownHystLimit;
uint16_t Mem_Fps;
+ uint32_t BusyThreshold; // Q16
+ uint32_t BusyHyst;
+ uint32_t IdleHyst;
+
uint32_t MmHubPadding[8]; // SMU internal use
} DpmActivityMonitorCoeffInt_t;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu12_driver_if.h b/drivers/gpu/drm/amd/powerplay/inc/smu12_driver_if.h
index 2f85a34c0591..e9315eb5b48e 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu12_driver_if.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu12_driver_if.h
@@ -27,7 +27,7 @@
// *** IMPORTANT ***
// SMU TEAM: Always increment the interface version if
// any structure is changed in this file
-#define SMU12_DRIVER_IF_VERSION 11
+#define SMU12_DRIVER_IF_VERSION 14
typedef struct {
int32_t value;
@@ -154,15 +154,19 @@ typedef enum {
} CLOCK_IDs_e;
// Throttler Status Bitmask
-#define THROTTLER_STATUS_BIT_SPL 0
-#define THROTTLER_STATUS_BIT_FPPT 1
-#define THROTTLER_STATUS_BIT_SPPT 2
-#define THROTTLER_STATUS_BIT_SPPT_APU 3
-#define THROTTLER_STATUS_BIT_THM_CORE 4
-#define THROTTLER_STATUS_BIT_THM_GFX 5
-#define THROTTLER_STATUS_BIT_THM_SOC 6
-#define THROTTLER_STATUS_BIT_TDC_VDD 7
-#define THROTTLER_STATUS_BIT_TDC_SOC 8
+#define THROTTLER_STATUS_BIT_SPL 0
+#define THROTTLER_STATUS_BIT_FPPT 1
+#define THROTTLER_STATUS_BIT_SPPT 2
+#define THROTTLER_STATUS_BIT_SPPT_APU 3
+#define THROTTLER_STATUS_BIT_THM_CORE 4
+#define THROTTLER_STATUS_BIT_THM_GFX 5
+#define THROTTLER_STATUS_BIT_THM_SOC 6
+#define THROTTLER_STATUS_BIT_TDC_VDD 7
+#define THROTTLER_STATUS_BIT_TDC_SOC 8
+#define THROTTLER_STATUS_BIT_PROCHOT_CPU 9
+#define THROTTLER_STATUS_BIT_PROCHOT_GFX 10
+#define THROTTLER_STATUS_BIT_EDC_CPU 11
+#define THROTTLER_STATUS_BIT_EDC_GFX 12
typedef struct {
uint16_t ClockFrequency[CLOCK_COUNT]; //[MHz]
@@ -180,7 +184,7 @@ typedef struct {
uint16_t Power[2]; //[mW] indices: VDDCR_VDD, VDDCR_SOC
uint16_t FanPwm; //[milli]
- uint16_t CurrentSocketPower; //[mW]
+ uint16_t CurrentSocketPower; //[W]
uint16_t CoreFrequency[8]; //[MHz]
uint16_t CorePower[8]; //[mW]
@@ -193,10 +197,16 @@ typedef struct {
uint16_t ThrottlerStatus;
uint16_t spare;
- uint16_t StapmOriginalLimit; //[mW]
- uint16_t StapmCurrentLimit; //[mW]
- uint16_t ApuPower; //[mW]
- uint16_t dGpuPower; //[mW]
+ uint16_t StapmOriginalLimit; //[W]
+ uint16_t StapmCurrentLimit; //[W]
+ uint16_t ApuPower; //[W]
+ uint16_t dGpuPower; //[W]
+
+ uint16_t VddTdcValue; //[mA]
+ uint16_t SocTdcValue; //[mA]
+ uint16_t VddEdcValue; //[mA]
+ uint16_t SocEdcValue; //[mA]
+ uint16_t reserve[2];
} SmuMetrics_t;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_types.h b/drivers/gpu/drm/amd/powerplay/inc/smu_types.h
index a5b4df146713..ee7dac4693d4 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_types.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_types.h
@@ -170,6 +170,7 @@
__SMU_DUMMY_MAP(SetSoftMinJpeg), \
__SMU_DUMMY_MAP(SetHardMinFclkByFreq), \
__SMU_DUMMY_MAP(DFCstateControl), \
+ __SMU_DUMMY_MAP(GmiPwrDnControl), \
__SMU_DUMMY_MAP(DAL_DISABLE_DUMMY_PSTATE_CHANGE), \
__SMU_DUMMY_MAP(DAL_ENABLE_DUMMY_PSTATE_CHANGE), \
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
index 674e426ed59b..6b3b451a8018 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
@@ -27,8 +27,8 @@
#define SMU11_DRIVER_IF_VERSION_INV 0xFFFFFFFF
#define SMU11_DRIVER_IF_VERSION_VG20 0x13
-#define SMU11_DRIVER_IF_VERSION_ARCT 0x12
-#define SMU11_DRIVER_IF_VERSION_NV10 0x35
+#define SMU11_DRIVER_IF_VERSION_ARCT 0x14
+#define SMU11_DRIVER_IF_VERSION_NV10 0x36
#define SMU11_DRIVER_IF_VERSION_NV12 0x33
#define SMU11_DRIVER_IF_VERSION_NV14 0x36
@@ -37,7 +37,6 @@
#define MP0_SRAM 0x03900000
#define MP1_Public 0x03b00000
#define MP1_SRAM 0x03c00004
-#define MP1_SMC_SIZE 0x40000
/* address block */
#define smnMP1_FIRMWARE_FLAGS 0x3010024
diff --git a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
index c5288831aa15..ad100b533d04 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smumgr.h
@@ -81,16 +81,15 @@ enum SMU10_TABLE_ID {
SMU10_CLOCKTABLE,
};
-extern uint32_t smum_get_argument(struct pp_hwmgr *hwmgr);
-
extern int smum_download_powerplay_table(struct pp_hwmgr *hwmgr, void **table);
extern int smum_upload_powerplay_table(struct pp_hwmgr *hwmgr);
-extern int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg);
+extern int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t *resp);
extern int smum_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
- uint16_t msg, uint32_t parameter);
+ uint16_t msg, uint32_t parameter,
+ uint32_t *resp);
extern int smum_update_sclk_threshold(struct pp_hwmgr *hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index 15030284b444..0c9be864d072 100644
--- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
@@ -423,6 +423,7 @@ static int navi10_append_powerplay_table(struct smu_context *smu)
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *smc_pptable = table_context->driver_pptable;
struct atom_smc_dpm_info_v4_5 *smc_dpm_table;
+ struct atom_smc_dpm_info_v4_7 *smc_dpm_table_v4_7;
int index, ret;
index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
@@ -433,77 +434,33 @@ static int navi10_append_powerplay_table(struct smu_context *smu)
if (ret)
return ret;
- memcpy(smc_pptable->I2cControllers, smc_dpm_table->I2cControllers,
- sizeof(I2cControllerConfig_t) * NUM_I2C_CONTROLLERS);
-
- /* SVI2 Board Parameters */
- smc_pptable->MaxVoltageStepGfx = smc_dpm_table->MaxVoltageStepGfx;
- smc_pptable->MaxVoltageStepSoc = smc_dpm_table->MaxVoltageStepSoc;
- smc_pptable->VddGfxVrMapping = smc_dpm_table->VddGfxVrMapping;
- smc_pptable->VddSocVrMapping = smc_dpm_table->VddSocVrMapping;
- smc_pptable->VddMem0VrMapping = smc_dpm_table->VddMem0VrMapping;
- smc_pptable->VddMem1VrMapping = smc_dpm_table->VddMem1VrMapping;
- smc_pptable->GfxUlvPhaseSheddingMask = smc_dpm_table->GfxUlvPhaseSheddingMask;
- smc_pptable->SocUlvPhaseSheddingMask = smc_dpm_table->SocUlvPhaseSheddingMask;
- smc_pptable->ExternalSensorPresent = smc_dpm_table->ExternalSensorPresent;
- smc_pptable->Padding8_V = smc_dpm_table->Padding8_V;
-
- /* Telemetry Settings */
- smc_pptable->GfxMaxCurrent = smc_dpm_table->GfxMaxCurrent;
- smc_pptable->GfxOffset = smc_dpm_table->GfxOffset;
- smc_pptable->Padding_TelemetryGfx = smc_dpm_table->Padding_TelemetryGfx;
- smc_pptable->SocMaxCurrent = smc_dpm_table->SocMaxCurrent;
- smc_pptable->SocOffset = smc_dpm_table->SocOffset;
- smc_pptable->Padding_TelemetrySoc = smc_dpm_table->Padding_TelemetrySoc;
- smc_pptable->Mem0MaxCurrent = smc_dpm_table->Mem0MaxCurrent;
- smc_pptable->Mem0Offset = smc_dpm_table->Mem0Offset;
- smc_pptable->Padding_TelemetryMem0 = smc_dpm_table->Padding_TelemetryMem0;
- smc_pptable->Mem1MaxCurrent = smc_dpm_table->Mem1MaxCurrent;
- smc_pptable->Mem1Offset = smc_dpm_table->Mem1Offset;
- smc_pptable->Padding_TelemetryMem1 = smc_dpm_table->Padding_TelemetryMem1;
-
- /* GPIO Settings */
- smc_pptable->AcDcGpio = smc_dpm_table->AcDcGpio;
- smc_pptable->AcDcPolarity = smc_dpm_table->AcDcPolarity;
- smc_pptable->VR0HotGpio = smc_dpm_table->VR0HotGpio;
- smc_pptable->VR0HotPolarity = smc_dpm_table->VR0HotPolarity;
- smc_pptable->VR1HotGpio = smc_dpm_table->VR1HotGpio;
- smc_pptable->VR1HotPolarity = smc_dpm_table->VR1HotPolarity;
- smc_pptable->GthrGpio = smc_dpm_table->GthrGpio;
- smc_pptable->GthrPolarity = smc_dpm_table->GthrPolarity;
-
- /* LED Display Settings */
- smc_pptable->LedPin0 = smc_dpm_table->LedPin0;
- smc_pptable->LedPin1 = smc_dpm_table->LedPin1;
- smc_pptable->LedPin2 = smc_dpm_table->LedPin2;
- smc_pptable->padding8_4 = smc_dpm_table->padding8_4;
-
- /* GFXCLK PLL Spread Spectrum */
- smc_pptable->PllGfxclkSpreadEnabled = smc_dpm_table->PllGfxclkSpreadEnabled;
- smc_pptable->PllGfxclkSpreadPercent = smc_dpm_table->PllGfxclkSpreadPercent;
- smc_pptable->PllGfxclkSpreadFreq = smc_dpm_table->PllGfxclkSpreadFreq;
-
- /* GFXCLK DFLL Spread Spectrum */
- smc_pptable->DfllGfxclkSpreadEnabled = smc_dpm_table->DfllGfxclkSpreadEnabled;
- smc_pptable->DfllGfxclkSpreadPercent = smc_dpm_table->DfllGfxclkSpreadPercent;
- smc_pptable->DfllGfxclkSpreadFreq = smc_dpm_table->DfllGfxclkSpreadFreq;
-
- /* UCLK Spread Spectrum */
- smc_pptable->UclkSpreadEnabled = smc_dpm_table->UclkSpreadEnabled;
- smc_pptable->UclkSpreadPercent = smc_dpm_table->UclkSpreadPercent;
- smc_pptable->UclkSpreadFreq = smc_dpm_table->UclkSpreadFreq;
-
- /* SOCCLK Spread Spectrum */
- smc_pptable->SoclkSpreadEnabled = smc_dpm_table->SoclkSpreadEnabled;
- smc_pptable->SocclkSpreadPercent = smc_dpm_table->SocclkSpreadPercent;
- smc_pptable->SocclkSpreadFreq = smc_dpm_table->SocclkSpreadFreq;
-
- /* Total board power */
- smc_pptable->TotalBoardPower = smc_dpm_table->TotalBoardPower;
- smc_pptable->BoardPadding = smc_dpm_table->BoardPadding;
-
- /* Mvdd Svi2 Div Ratio Setting */
- smc_pptable->MvddRatio = smc_dpm_table->MvddRatio;
+ pr_info("smc_dpm_info table revision(format.content): %d.%d\n",
+ smc_dpm_table->table_header.format_revision,
+ smc_dpm_table->table_header.content_revision);
+
+ if (smc_dpm_table->table_header.format_revision != 4) {
+ pr_err("smc_dpm_info table format revision is not 4!\n");
+ return -EINVAL;
+ }
+
+ switch (smc_dpm_table->table_header.content_revision) {
+ case 5: /* nv10 and nv14 */
+ memcpy(smc_pptable->I2cControllers, smc_dpm_table->I2cControllers,
+ sizeof(*smc_dpm_table) - sizeof(smc_dpm_table->table_header));
+ break;
+ case 7: /* nv12 */
+ ret = smu_get_atom_data_table(smu, index, NULL, NULL, NULL,
+ (uint8_t **)&smc_dpm_table_v4_7);
+ if (ret)
+ return ret;
+ memcpy(smc_pptable->I2cControllers, smc_dpm_table_v4_7->I2cControllers,
+ sizeof(*smc_dpm_table_v4_7) - sizeof(smc_dpm_table_v4_7->table_header));
+ break;
+ default:
+ pr_err("smc_dpm_info with unsupported content revision %d!\n",
+ smc_dpm_table->table_header.content_revision);
+ return -EINVAL;
+ }
if (adev->pm.pp_feature & PP_GFXOFF_MASK) {
/* TODO: remove it once SMU fw fix it */
@@ -1336,8 +1293,6 @@ static int navi10_set_power_profile_mode(struct smu_context *smu, long *input, u
}
if (smu->power_profile_mode == PP_SMC_POWER_PROFILE_CUSTOM) {
- if (size < 0)
- return -EINVAL;
ret = smu_update_table(smu,
SMU_TABLE_ACTIVITY_MONITOR_COEFF, WORKLOAD_PPLIB_CUSTOM_BIT,
@@ -1860,7 +1815,8 @@ static int navi10_get_power_limit(struct smu_context *smu,
int power_src;
if (!smu->power_limit) {
- if (smu_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT)) {
+ if (smu_feature_is_enabled(smu, SMU_FEATURE_PPT_BIT) &&
+ !amdgpu_sriov_vf(smu->adev)) {
power_src = smu_power_get_index(smu, SMU_POWER_SOURCE_AC);
if (power_src < 0)
return -EINVAL;
@@ -2003,6 +1959,9 @@ static int navi10_set_default_od_settings(struct smu_context *smu, bool initiali
OverDriveTable_t *od_table, *boot_od_table;
int ret = 0;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
ret = smu_v11_0_set_default_od_settings(smu, initialize, sizeof(OverDriveTable_t));
if (ret)
return ret;
diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index ff73a735b888..67476047c067 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -296,6 +296,8 @@ static int renoir_print_clk_levels(struct smu_context *smu,
for (i = 0; i < count; i++) {
GET_DPM_CUR_FREQ(clk_table, clk_type, i, value);
+ if (!value)
+ continue;
size += sprintf(buf + size, "%d: %uMhz %s\n", i, value,
cur_value == value ? "*" : "");
if (cur_value == value)
@@ -847,7 +849,7 @@ static int renoir_get_power_profile_mode(struct smu_context *smu,
uint32_t i, size = 0;
int16_t workload_type = 0;
- if (!smu->pm_enabled || !buf)
+ if (!buf)
return -EINVAL;
for (i = 0; i <= PP_SMC_POWER_PROFILE_CUSTOM; i++) {
@@ -895,12 +897,17 @@ static int renoir_read_sensor(struct smu_context *smu,
static bool renoir_is_dpm_running(struct smu_context *smu)
{
+ struct amdgpu_device *adev = smu->adev;
+
/*
- * Util now, the pmfw hasn't exported the interface of SMU
+ * Until now, the pmfw hasn't exported the interface of SMU
* feature mask to APU SKU so just force on all the feature
* at early initial stage.
*/
- return true;
+ if (adev->in_suspend)
+ return false;
+ else
+ return true;
}
@@ -950,6 +957,6 @@ static const struct pptable_funcs renoir_ppt_funcs = {
void renoir_set_ppt_funcs(struct smu_context *smu)
{
smu->ppt_funcs = &renoir_ppt_funcs;
- smu->smc_if_version = SMU12_DRIVER_IF_VERSION;
+ smu->smc_driver_if_version = SMU12_DRIVER_IF_VERSION;
smu->is_apu = true;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smu_internal.h b/drivers/gpu/drm/amd/powerplay/smu_internal.h
index 40c35bcc5a0a..c97444841abc 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_internal.h
+++ b/drivers/gpu/drm/amd/powerplay/smu_internal.h
@@ -214,4 +214,9 @@ static inline int smu_send_smc_msg(struct smu_context *smu, enum smu_message_typ
#define smu_set_power_source(smu, power_src) \
((smu)->ppt_funcs->set_power_source ? (smu)->ppt_funcs->set_power_source((smu), (power_src)) : 0)
+#define smu_i2c_eeprom_init(smu, control) \
+ ((smu)->ppt_funcs->i2c_eeprom_init ? (smu)->ppt_funcs->i2c_eeprom_init((control)) : 0)
+#define smu_i2c_eeprom_fini(smu, control) \
+ ((smu)->ppt_funcs->i2c_eeprom_fini ? (smu)->ppt_funcs->i2c_eeprom_fini((control)) : 0)
+
#endif
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 655ba4fb05dc..ae0361e225bb 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -23,6 +23,7 @@
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/reboot.h>
#define SMU_11_0_PARTIAL_PPTABLE
@@ -57,7 +58,7 @@ static int smu_v11_0_send_msg_without_waiting(struct smu_context *smu,
uint16_t msg)
{
struct amdgpu_device *adev = smu->adev;
- WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
+ WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
return 0;
}
@@ -65,7 +66,7 @@ static int smu_v11_0_read_arg(struct smu_context *smu, uint32_t *arg)
{
struct amdgpu_device *adev = smu->adev;
- *arg = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
+ *arg = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82);
return 0;
}
@@ -75,7 +76,7 @@ static int smu_v11_0_wait_for_response(struct smu_context *smu)
uint32_t cur_value, i, timeout = adev->usec_timeout * 10;
for (i = 0; i < timeout; i++) {
- cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
+ cur_value = RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90);
if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0)
return cur_value == 0x1 ? 0 : -EIO;
@@ -83,7 +84,10 @@ static int smu_v11_0_wait_for_response(struct smu_context *smu)
}
/* timeout means wrong logic */
- return -ETIME;
+ if (i == timeout)
+ return -ETIME;
+
+ return RREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO;
}
int
@@ -107,9 +111,9 @@ smu_v11_0_send_msg_with_param(struct smu_context *smu,
goto out;
}
- WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
+ WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
- WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, param);
+ WREG32_SOC15_NO_KIQ(MP1, 0, mmMP1_SMN_C2PMSG_82, param);
smu_v11_0_send_msg_without_waiting(smu, (uint16_t)index);
@@ -119,6 +123,7 @@ smu_v11_0_send_msg_with_param(struct smu_context *smu,
smu_get_message_name(smu, msg), index, param, ret);
goto out;
}
+
if (read_arg) {
ret = smu_v11_0_read_arg(smu, read_arg);
if (ret) {
@@ -201,13 +206,15 @@ int smu_v11_0_load_microcode(struct smu_context *smu)
const struct smc_firmware_header_v1_0 *hdr;
uint32_t addr_start = MP1_SRAM;
uint32_t i;
+ uint32_t smc_fw_size;
uint32_t mp1_fw_flags;
hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
src = (const uint32_t *)(adev->pm.fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ smc_fw_size = hdr->header.ucode_size_bytes;
- for (i = 1; i < MP1_SMC_SIZE/4 - 1; i++) {
+ for (i = 1; i < smc_fw_size/4 - 1; i++) {
WREG32_PCIE(addr_start, src[i]);
addr_start += 4;
}
@@ -264,23 +271,23 @@ int smu_v11_0_check_fw_version(struct smu_context *smu)
switch (smu->adev->asic_type) {
case CHIP_VEGA20:
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_VG20;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_VG20;
break;
case CHIP_ARCTURUS:
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_ARCT;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_ARCT;
break;
case CHIP_NAVI10:
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_NV10;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_NV10;
break;
case CHIP_NAVI12:
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_NV12;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_NV12;
break;
case CHIP_NAVI14:
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_NV14;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_NV14;
break;
default:
pr_err("smu unsupported asic type:%d.\n", smu->adev->asic_type);
- smu->smc_if_version = SMU11_DRIVER_IF_VERSION_INV;
+ smu->smc_driver_if_version = SMU11_DRIVER_IF_VERSION_INV;
break;
}
@@ -292,10 +299,10 @@ int smu_v11_0_check_fw_version(struct smu_context *smu)
* Considering above, we just leave user a warning message instead
* of halt driver loading.
*/
- if (if_version != smu->smc_if_version) {
+ if (if_version != smu->smc_driver_if_version) {
pr_info("smu driver if version = 0x%08x, smu fw if version = 0x%08x, "
"smu fw version = 0x%08x (%d.%d.%d)\n",
- smu->smc_if_version, if_version,
+ smu->smc_driver_if_version, if_version,
smu_version, smu_major, smu_minor, smu_debug);
pr_warn("SMU driver if version not matched\n");
}
@@ -479,8 +486,6 @@ int smu_v11_0_init_power(struct smu_context *smu)
{
struct smu_power_context *smu_power = &smu->smu_power;
- if (!smu->pm_enabled)
- return 0;
if (smu_power->power_context || smu_power->power_context_size != 0)
return -EINVAL;
@@ -497,8 +502,6 @@ int smu_v11_0_fini_power(struct smu_context *smu)
{
struct smu_power_context *smu_power = &smu->smu_power;
- if (!smu->pm_enabled)
- return 0;
if (!smu_power->power_context || smu_power->power_context_size == 0)
return -EINVAL;
@@ -730,8 +733,9 @@ int smu_v11_0_parse_pptable(struct smu_context *smu)
struct smu_table_context *table_context = &smu->smu_table;
struct smu_table *table = &table_context->tables[SMU_TABLE_PPTABLE];
+ /* during TDR we need to free and alloc the pptable */
if (table_context->driver_pptable)
- return -EINVAL;
+ kfree(table_context->driver_pptable);
table_context->driver_pptable = kzalloc(table->size, GFP_KERNEL);
@@ -771,6 +775,9 @@ int smu_v11_0_set_deep_sleep_dcefclk(struct smu_context *smu, uint32_t clk)
{
int ret;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_SetMinDeepSleepDcefclk, clk, NULL);
if (ret)
@@ -783,8 +790,6 @@ int smu_v11_0_set_min_dcef_deep_sleep(struct smu_context *smu)
{
struct smu_table_context *table_context = &smu->smu_table;
- if (!smu->pm_enabled)
- return 0;
if (!table_context)
return -EINVAL;
@@ -816,6 +821,9 @@ int smu_v11_0_set_tool_table_location(struct smu_context *smu)
int ret = 0;
struct smu_table *tool_table = &smu->smu_table.tables[SMU_TABLE_PMSTATUSLOG];
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
if (tool_table->mc_address) {
ret = smu_send_smc_msg_with_param(smu,
SMU_MSG_SetToolsDramAddrHigh,
@@ -835,6 +843,9 @@ int smu_v11_0_init_display_count(struct smu_context *smu, uint32_t count)
{
int ret = 0;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
if (!smu->pm_enabled)
return ret;
@@ -849,6 +860,9 @@ int smu_v11_0_set_allowed_mask(struct smu_context *smu)
int ret = 0;
uint32_t feature_mask[2];
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
mutex_lock(&feature->mutex);
if (bitmap_empty(feature->allowed, SMU_FEATURE_MAX) || feature->feature_num < 64)
goto failed;
@@ -877,6 +891,9 @@ int smu_v11_0_get_enabled_mask(struct smu_context *smu,
struct smu_feature *feature = &smu->smu_feature;
int ret = 0;
+ if (amdgpu_sriov_vf(smu->adev) && !amdgpu_sriov_is_pp_one_vf(smu->adev))
+ return 0;
+
if (!feature_mask || num < 2)
return -EINVAL;
@@ -932,8 +949,12 @@ int smu_v11_0_notify_display_change(struct smu_context *smu)
{
int ret = 0;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
if (!smu->pm_enabled)
return ret;
+
if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT) &&
smu->adev->gmc.vram_type == AMDGPU_VRAM_TYPE_HBM)
ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetUclkFastSwitch, 1, NULL);
@@ -948,9 +969,6 @@ smu_v11_0_get_max_sustainable_clock(struct smu_context *smu, uint32_t *clock,
int ret = 0;
int clk_id;
- if (!smu->pm_enabled)
- return ret;
-
if ((smu_msg_get_index(smu, SMU_MSG_GetDcModeMaxDpmFreq) < 0) ||
(smu_msg_get_index(smu, SMU_MSG_GetMaxDpmFreq) < 0))
return 0;
@@ -1096,6 +1114,9 @@ int smu_v11_0_set_power_limit(struct smu_context *smu, uint32_t n)
int ret = 0;
uint32_t max_power_limit;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
max_power_limit = smu_v11_0_get_max_power_limit(smu);
if (n > max_power_limit) {
@@ -1205,9 +1226,6 @@ int smu_v11_0_start_thermal_control(struct smu_context *smu)
struct smu_temperature_range range;
struct amdgpu_device *adev = smu->adev;
- if (!smu->pm_enabled)
- return ret;
-
memcpy(&range, &smu11_thermal_policy[0], sizeof(struct smu_temperature_range));
ret = smu_get_thermal_temperature_range(smu, &range);
@@ -1321,9 +1339,6 @@ smu_v11_0_display_clock_voltage_request(struct smu_context *smu,
enum smu_clk_type clk_select = 0;
uint32_t clk_freq = clock_req->clock_freq_in_khz / 1000;
- if (!smu->pm_enabled)
- return -EINVAL;
-
if (smu_feature_is_enabled(smu, SMU_FEATURE_DPM_DCEFCLK_BIT) ||
smu_feature_is_enabled(smu, SMU_FEATURE_DPM_UCLK_BIT)) {
switch (clk_type) {
@@ -1533,39 +1548,59 @@ static int smu_v11_0_ack_ac_dc_interrupt(struct smu_context *smu)
#define THM_11_0__SRCID__THM_DIG_THERM_L2H 0 /* ASIC_TEMP > CG_THERMAL_INT.DIG_THERM_INTH */
#define THM_11_0__SRCID__THM_DIG_THERM_H2L 1 /* ASIC_TEMP < CG_THERMAL_INT.DIG_THERM_INTL */
+#define SMUIO_11_0__SRCID__SMUIO_GPIO19 83
+
static int smu_v11_0_irq_process(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
uint32_t client_id = entry->client_id;
uint32_t src_id = entry->src_id;
+ /*
+ * ctxid is used to distinguish different
+ * events for SMCToHost interrupt.
+ */
+ uint32_t ctxid = entry->src_data[0];
if (client_id == SOC15_IH_CLIENTID_THM) {
switch (src_id) {
case THM_11_0__SRCID__THM_DIG_THERM_L2H:
- pr_warn("GPU over temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
+ dev_emerg(adev->dev, "ERROR: GPU over temperature range(SW CTF) detected!\n");
+ /*
+ * SW CTF just occurred.
+ * Try to do a graceful shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU SW CTF!\n");
+ orderly_poweroff(true);
break;
case THM_11_0__SRCID__THM_DIG_THERM_H2L:
- pr_warn("GPU under temperature range detected on PCIe %d:%d.%d!\n",
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
+ dev_emerg(adev->dev, "ERROR: GPU under temperature range detected\n");
break;
default:
- pr_warn("GPU under temperature range unknown src id (%d), detected on PCIe %d:%d.%d!\n",
- src_id,
- PCI_BUS_NUM(adev->pdev->devfn),
- PCI_SLOT(adev->pdev->devfn),
- PCI_FUNC(adev->pdev->devfn));
+ dev_emerg(adev->dev, "ERROR: GPU under temperature range unknown src id (%d)\n",
+ src_id);
break;
-
}
+ } else if (client_id == SOC15_IH_CLIENTID_ROM_SMUIO) {
+ dev_emerg(adev->dev, "ERROR: GPU HW Critical Temperature Fault(aka CTF) detected!\n");
+ /*
+ * HW CTF just occurred. Shutdown to prevent further damage.
+ */
+ dev_emerg(adev->dev, "ERROR: System is going to shutdown due to GPU HW CTF!\n");
+ orderly_poweroff(true);
} else if (client_id == SOC15_IH_CLIENTID_MP1) {
- if (src_id == 0xfe)
- smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+ if (src_id == 0xfe) {
+ switch (ctxid) {
+ case 0x3:
+ dev_dbg(adev->dev, "Switched to AC mode!\n");
+ smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+ break;
+ case 0x4:
+ dev_dbg(adev->dev, "Switched to DC mode!\n");
+ smu_v11_0_ack_ac_dc_interrupt(&adev->smu);
+ break;
+ }
+ }
}
return 0;
@@ -1605,6 +1640,13 @@ int smu_v11_0_register_irq_handler(struct smu_context *smu)
if (ret)
return ret;
+ /* Register CTF(GPIO_19) interrupt */
+ ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_ROM_SMUIO,
+ SMUIO_11_0__SRCID__SMUIO_GPIO19,
+ irq_src);
+ if (ret)
+ return ret;
+
ret = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_MP1,
0xfe,
irq_src);
@@ -1833,6 +1875,9 @@ int smu_v11_0_override_pcie_parameters(struct smu_context *smu)
uint32_t pcie_gen = 0, pcie_width = 0;
int ret;
+ if (amdgpu_sriov_vf(smu->adev))
+ return 0;
+
if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN4)
pcie_gen = 3;
else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
index 169ebdad87b8..4023d10fb49b 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
@@ -32,13 +32,15 @@
#include "asic_reg/mp/mp_12_0_0_offset.h"
#include "asic_reg/mp/mp_12_0_0_sh_mask.h"
+#include "asic_reg/smuio/smuio_12_0_0_offset.h"
+#include "asic_reg/smuio/smuio_12_0_0_sh_mask.h"
-#define smnMP1_FIRMWARE_FLAGS 0x3010024
+// because some SMU12 based ASICs use older ip offset tables
+// we should undefine this register from the smuio12 header
+// to prevent confusion down the road
+#undef mmPWR_MISC_CNTL_STATUS
-#define mmSMUIO_GFX_MISC_CNTL 0x00c8
-#define mmSMUIO_GFX_MISC_CNTL_BASE_IDX 0
-#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK 0x00000006L
-#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT 0x1
+#define smnMP1_FIRMWARE_FLAGS 0x3010024
int smu_v12_0_send_msg_without_waiting(struct smu_context *smu,
uint16_t msg)
@@ -158,10 +160,10 @@ int smu_v12_0_check_fw_version(struct smu_context *smu)
* Considering above, we just leave user a warning message instead
* of halt driver loading.
*/
- if (if_version != smu->smc_if_version) {
+ if (if_version != smu->smc_driver_if_version) {
pr_info("smu driver if version = 0x%08x, smu fw if version = 0x%08x, "
"smu fw version = 0x%08x (%d.%d.%d)\n",
- smu->smc_if_version, if_version,
+ smu->smc_driver_if_version, if_version,
smu_version, smu_major, smu_minor, smu_debug);
pr_warn("SMU driver if version not matched\n");
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
index 868e2d5f6e62..85e5b1ed22c2 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/ci_smumgr.c
@@ -2780,7 +2780,7 @@ static int ci_update_dpm_settings(struct pp_hwmgr *hwmgr,
if (setting->bupdate_sclk) {
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
if (levels[i].ActivityLevel !=
cpu_to_be16(setting->sclk_activity)) {
@@ -2810,12 +2810,12 @@ static int ci_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel, NULL);
}
if (setting->bupdate_mclk) {
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) {
if (mclk_levels[i].ActivityLevel !=
cpu_to_be16(setting->mclk_activity)) {
@@ -2845,7 +2845,7 @@ static int ci_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel, NULL);
}
return 0;
}
@@ -2881,8 +2881,9 @@ static int ci_update_uvd_smc_table(struct pp_hwmgr *hwmgr)
if (hwmgr->dpm_level & profile_mode_mask || !PP_CAP(PHM_PlatformCaps_UVDDPM))
break;
}
- ci_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_UVDDPM_SetEnabledMask,
- data->dpm_level_enable_mask.uvd_dpm_enable_mask);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_UVDDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.uvd_dpm_enable_mask,
+ NULL);
return 0;
}
@@ -2912,8 +2913,9 @@ static int ci_update_vce_smc_table(struct pp_hwmgr *hwmgr)
if (hwmgr->dpm_level & profile_mode_mask || !PP_CAP(PHM_PlatformCaps_VCEDPM))
break;
}
- ci_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_VCEDPM_SetEnabledMask,
- data->dpm_level_enable_mask.vce_dpm_enable_mask);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_VCEDPM_SetEnabledMask,
+ data->dpm_level_enable_mask.vce_dpm_enable_mask,
+ NULL);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
index 32ebb383c456..ecb9ee46d6b3 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c
@@ -137,9 +137,7 @@ static int fiji_start_smu_in_protection_mode(struct pp_hwmgr *hwmgr)
PHM_WAIT_VFPF_INDIRECT_FIELD(hwmgr, SMC_IND, RCU_UC_EVENTS,
INTERRUPTS_ENABLED, 1);
- cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, 0x20000);
- cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test);
- PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_Test, 0x20000, NULL);
/* Wait for done bit to be set */
PHM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(hwmgr, SMC_IND,
@@ -203,8 +201,9 @@ static int fiji_start_avfs_btc(struct pp_hwmgr *hwmgr)
struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
if (0 != smu_data->avfs_btc_param) {
- if (0 != smu7_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param)) {
+ if (0 != smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param,
+ NULL)) {
pr_info("[AVFS][Fiji_PerformBtc] PerformBTC SMU msg failed");
result = -EINVAL;
}
@@ -1913,7 +1912,8 @@ static int fiji_setup_dpm_led_config(struct pp_hwmgr *hwmgr)
if (mask)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_LedConfig,
- mask);
+ mask,
+ NULL);
return 0;
}
@@ -2220,14 +2220,16 @@ static int fiji_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
res = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanMinPwm,
hwmgr->thermal_controller.
- advanceFanControlParameters.ucMinimumPWMLimit);
+ advanceFanControlParameters.ucMinimumPWMLimit,
+ NULL);
if (!res && hwmgr->thermal_controller.
advanceFanControlParameters.ulMinFanSCLKAcousticLimit)
res = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanSclkTarget,
hwmgr->thermal_controller.
- advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
+ advanceFanControlParameters.ulMinFanSCLKAcousticLimit,
+ NULL);
if (res)
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
@@ -2242,7 +2244,7 @@ static int fiji_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
if (!hwmgr->avfs_supported)
return 0;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs, NULL);
return 0;
}
@@ -2390,7 +2392,8 @@ static int fiji_update_uvd_smc_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_UVDDPM_SetEnabledMask,
- (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel));
+ (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel),
+ NULL);
return 0;
}
@@ -2422,7 +2425,8 @@ static int fiji_update_vce_smc_table(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_VCEDPM_SetEnabledMask,
- (uint32_t)1 << smu_data->smc_state_table.VceBootLevel);
+ (uint32_t)1 << smu_data->smc_state_table.VceBootLevel,
+ NULL);
return 0;
}
@@ -2569,7 +2573,7 @@ static int fiji_update_dpm_settings(struct pp_hwmgr *hwmgr,
if (setting->bupdate_sclk) {
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
if (levels[i].ActivityLevel !=
cpu_to_be16(setting->sclk_activity)) {
@@ -2599,12 +2603,12 @@ static int fiji_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel, NULL);
}
if (setting->bupdate_mclk) {
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) {
if (mclk_levels[i].ActivityLevel !=
cpu_to_be16(setting->mclk_activity)) {
@@ -2634,7 +2638,7 @@ static int fiji_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel, NULL);
}
return 0;
}
@@ -2649,6 +2653,7 @@ const struct pp_smumgr_func fiji_smu_funcs = {
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = &smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter,
+ .get_argument = smu7_get_argument,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.update_smc_table = fiji_update_smc_table,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
index 732005c03a82..431ad2fd38df 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c
@@ -2669,6 +2669,7 @@ const struct pp_smumgr_func iceland_smu_funcs = {
.request_smu_load_specific_fw = &iceland_request_smu_load_specific_fw,
.send_msg_to_smc = &smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter,
+ .get_argument = smu7_get_argument,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.get_offsetof = iceland_get_offsetof,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 23c12018dbc1..c3d2e6dcf62a 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -99,7 +99,8 @@ static int polaris10_perform_btc(struct pp_hwmgr *hwmgr)
struct smu7_smumgr *smu_data = (struct smu7_smumgr *)(hwmgr->smu_backend);
if (0 != smu_data->avfs_btc_param) {
- if (0 != smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param)) {
+ if (0 != smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_PerformBtc, smu_data->avfs_btc_param,
+ NULL)) {
pr_info("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed");
result = -1;
}
@@ -2049,15 +2050,16 @@ int polaris10_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
return 0;
smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetGBDroopSettings, data->avfs_vdroop_override_setting);
+ PPSMC_MSG_SetGBDroopSettings, data->avfs_vdroop_override_setting,
+ NULL);
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs, NULL);
/* Apply avfs cks-off voltages to avoid the overshoot
* when switching to the highest sclk frequency
*/
if (data->apply_avfs_cks_off_voltage)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage, NULL);
return 0;
}
@@ -2158,14 +2160,16 @@ static int polaris10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
res = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanMinPwm,
hwmgr->thermal_controller.
- advanceFanControlParameters.ucMinimumPWMLimit);
+ advanceFanControlParameters.ucMinimumPWMLimit,
+ NULL);
if (!res && hwmgr->thermal_controller.
advanceFanControlParameters.ulMinFanSCLKAcousticLimit)
res = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetFanSclkTarget,
hwmgr->thermal_controller.
- advanceFanControlParameters.ulMinFanSCLKAcousticLimit);
+ advanceFanControlParameters.ulMinFanSCLKAcousticLimit,
+ NULL);
if (res)
phm_cap_unset(hwmgr->platform_descriptor.platformCaps,
@@ -2202,7 +2206,8 @@ static int polaris10_update_uvd_smc_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_UVDDPM_SetEnabledMask,
- (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel));
+ (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel),
+ NULL);
return 0;
}
@@ -2234,7 +2239,8 @@ static int polaris10_update_vce_smc_table(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_VCEDPM_SetEnabledMask,
- (uint32_t)1 << smu_data->smc_state_table.VceBootLevel);
+ (uint32_t)1 << smu_data->smc_state_table.VceBootLevel,
+ NULL);
return 0;
}
@@ -2485,7 +2491,7 @@ static int polaris10_update_dpm_settings(struct pp_hwmgr *hwmgr,
if (setting->bupdate_sclk) {
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
if (levels[i].ActivityLevel !=
cpu_to_be16(setting->sclk_activity)) {
@@ -2515,12 +2521,12 @@ static int polaris10_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel, NULL);
}
if (setting->bupdate_mclk) {
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) {
if (mclk_levels[i].ActivityLevel !=
cpu_to_be16(setting->mclk_activity)) {
@@ -2550,7 +2556,7 @@ static int polaris10_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel, NULL);
}
return 0;
}
@@ -2565,6 +2571,7 @@ const struct pp_smumgr_func polaris10_smu_funcs = {
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = smu7_send_msg_to_smc_with_parameter,
+ .get_argument = smu7_get_argument,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.update_smc_table = polaris10_update_smc_table,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
index 2319400a3fcb..ea2279bb8cbf 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c
@@ -126,15 +126,18 @@ static int smu10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
"Invalid SMU Table version!", return -EINVAL;);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL;);
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
- priv->smu_tables.entry[table_id].table_id);
+ priv->smu_tables.entry[table_id].table_id,
+ NULL);
/* flush hdp cache */
amdgpu_asic_flush_hdp(adev, NULL);
@@ -164,15 +167,18 @@ static int smu10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
amdgpu_asic_flush_hdp(adev, NULL);
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu10_send_msg_to_smc_with_parameter(hwmgr,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableDram2Smu,
- priv->smu_tables.entry[table_id].table_id);
+ priv->smu_tables.entry[table_id].table_id,
+ NULL);
return 0;
}
@@ -181,9 +187,9 @@ static int smu10_verify_smc_interface(struct pp_hwmgr *hwmgr)
{
uint32_t smc_driver_if_version;
- smu10_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetDriverIfVersion);
- smc_driver_if_version = smu10_read_arg_from_smc(hwmgr);
+ smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetDriverIfVersion,
+ &smc_driver_if_version);
if ((smc_driver_if_version != SMU10_DRIVER_IF_VERSION) &&
(smc_driver_if_version != SMU10_DRIVER_IF_VERSION + 1)) {
@@ -217,11 +223,11 @@ static int smu10_start_smu(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion);
- hwmgr->smu_version = smu10_read_arg_from_smc(hwmgr);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_GetSmuVersion, &hwmgr->smu_version);
adev->pm.fw_version = hwmgr->smu_version >> 8;
- if (adev->rev_id < 0x8 && adev->pdev->device != 0x15d8 &&
+ if (!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
+ (adev->apu_flags & AMD_APU_IS_RAVEN) &&
adev->pm.fw_version < 0x1e45)
adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
index 3f51d545e8ff..aae25243eb10 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.c
@@ -191,13 +191,6 @@ int smu7_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
return 0;
}
-int smu7_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg)
-{
- cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, msg);
-
- return 0;
-}
-
int smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
{
PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
@@ -207,25 +200,14 @@ int smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg, ui
return smu7_send_msg_to_smc(hwmgr, msg);
}
-int smu7_send_msg_to_smc_with_parameter_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t parameter)
+uint32_t smu7_get_argument(struct pp_hwmgr *hwmgr)
{
- cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, parameter);
-
- return smu7_send_msg_to_smc_without_waiting(hwmgr, msg);
+ return cgs_read_register(hwmgr->device, mmSMC_MSG_ARG_0);
}
int smu7_send_msg_to_smc_offset(struct pp_hwmgr *hwmgr)
{
- cgs_write_register(hwmgr->device, mmSMC_MSG_ARG_0, 0x20000);
-
- cgs_write_register(hwmgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test);
-
- PHM_WAIT_FIELD_UNEQUAL(hwmgr, SMC_RESP_0, SMC_RESP, 0);
-
- if (1 != PHM_READ_FIELD(hwmgr->device, SMC_RESP_0, SMC_RESP))
- pr_info("Failed to send Message.\n");
-
- return 0;
+ return smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_Test, 0x20000, NULL);
}
enum cgs_ucode_id smu7_convert_fw_type_to_cgs(uint32_t fw_type)
@@ -353,12 +335,14 @@ int smu7_request_smu_load_fw(struct pp_hwmgr *hwmgr)
if (hwmgr->chip_id > CHIP_TOPAZ) { /* add support for Topaz */
if (hwmgr->not_vf) {
- smu7_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SMU_DRAM_ADDR_HI,
- upper_32_bits(smu_data->smu_buffer.mc_addr));
- smu7_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(smu_data->smu_buffer.mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SMU_DRAM_ADDR_LO,
- lower_32_bits(smu_data->smu_buffer.mc_addr));
+ lower_32_bits(smu_data->smu_buffer.mc_addr),
+ NULL);
}
fw_to_load = UCODE_ID_RLC_G_MASK
+ UCODE_ID_SDMA0_MASK
@@ -423,10 +407,16 @@ int smu7_request_smu_load_fw(struct pp_hwmgr *hwmgr)
}
memcpy_toio(smu_data->header_buffer.kaddr, smu_data->toc,
sizeof(struct SMU_DRAMData_TOC));
- smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, upper_32_bits(smu_data->header_buffer.mc_addr));
- smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, lower_32_bits(smu_data->header_buffer.mc_addr));
-
- smu7_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_LoadUcodes, fw_to_load);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DRV_DRAM_ADDR_HI,
+ upper_32_bits(smu_data->header_buffer.mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DRV_DRAM_ADDR_LO,
+ lower_32_bits(smu_data->header_buffer.mc_addr),
+ NULL);
+
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_LoadUcodes, fw_to_load, NULL);
r = smu7_check_fw_load_finish(hwmgr, fw_to_load);
if (!r)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
index 01f0538fba6b..e7303dc8c260 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu7_smumgr.h
@@ -60,11 +60,9 @@ int smu7_copy_bytes_to_smc(struct pp_hwmgr *hwmgr, uint32_t smc_start_address,
int smu7_program_jump_on_start(struct pp_hwmgr *hwmgr);
bool smu7_is_smc_ram_running(struct pp_hwmgr *hwmgr);
int smu7_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg);
-int smu7_send_msg_to_smc_without_waiting(struct pp_hwmgr *hwmgr, uint16_t msg);
int smu7_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr, uint16_t msg,
uint32_t parameter);
-int smu7_send_msg_to_smc_with_parameter_without_waiting(struct pp_hwmgr *hwmgr,
- uint16_t msg, uint32_t parameter);
+uint32_t smu7_get_argument(struct pp_hwmgr *hwmgr);
int smu7_send_msg_to_smc_offset(struct pp_hwmgr *hwmgr);
enum cgs_ucode_id smu7_convert_fw_type_to_cgs(uint32_t fw_type);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
index 7dca04a89217..76d4f12ceedf 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smu8_smumgr.c
@@ -610,18 +610,21 @@ static int smu8_download_pptable_settings(struct pp_hwmgr *hwmgr, void **table)
*table = (struct SMU8_Fusion_ClkTable *)smu8_smu->scratch_buffer[i].kaddr;
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetClkTableAddrHi,
- upper_32_bits(smu8_smu->scratch_buffer[i].mc_addr));
+ upper_32_bits(smu8_smu->scratch_buffer[i].mc_addr),
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetClkTableAddrLo,
- lower_32_bits(smu8_smu->scratch_buffer[i].mc_addr));
+ lower_32_bits(smu8_smu->scratch_buffer[i].mc_addr),
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
- smu8_smu->toc_entry_clock_table);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
+ smu8_smu->toc_entry_clock_table,
+ NULL);
- smu8_send_msg_to_smc(hwmgr, PPSMC_MSG_ClkTableXferToDram);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ClkTableXferToDram, NULL);
return 0;
}
@@ -637,18 +640,21 @@ static int smu8_upload_pptable_settings(struct pp_hwmgr *hwmgr)
break;
}
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetClkTableAddrHi,
- upper_32_bits(smu8_smu->scratch_buffer[i].mc_addr));
+ upper_32_bits(smu8_smu->scratch_buffer[i].mc_addr),
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetClkTableAddrLo,
- lower_32_bits(smu8_smu->scratch_buffer[i].mc_addr));
+ lower_32_bits(smu8_smu->scratch_buffer[i].mc_addr),
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
- smu8_smu->toc_entry_clock_table);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
+ smu8_smu->toc_entry_clock_table,
+ NULL);
- smu8_send_msg_to_smc(hwmgr, PPSMC_MSG_ClkTableXferToSmu);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ClkTableXferToSmu, NULL);
return 0;
}
@@ -671,25 +677,30 @@ static int smu8_request_smu_load_fw(struct pp_hwmgr *hwmgr)
smu8_write_smc_sram_dword(hwmgr, smc_address, 0, smc_address+4);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DriverDramAddrHi,
- upper_32_bits(smu8_smu->toc_buffer.mc_addr));
+ upper_32_bits(smu8_smu->toc_buffer.mc_addr),
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_DriverDramAddrLo,
- lower_32_bits(smu8_smu->toc_buffer.mc_addr));
+ lower_32_bits(smu8_smu->toc_buffer.mc_addr),
+ NULL);
- smu8_send_msg_to_smc(hwmgr, PPSMC_MSG_InitJobs);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_InitJobs, NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_ExecuteJob,
- smu8_smu->toc_entry_aram);
- smu8_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
- smu8_smu->toc_entry_power_profiling_index);
+ smu8_smu->toc_entry_aram,
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_ExecuteJob,
+ smu8_smu->toc_entry_power_profiling_index,
+ NULL);
- smu8_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_ExecuteJob,
- smu8_smu->toc_entry_initialize_index);
+ smu8_smu->toc_entry_initialize_index,
+ NULL);
fw_to_check = UCODE_ID_RLC_G_MASK |
UCODE_ID_SDMA0_MASK |
@@ -860,11 +871,13 @@ static bool smu8_dpm_check_smu_features(struct pp_hwmgr *hwmgr,
unsigned long check_feature)
{
int result;
- unsigned long features;
+ uint32_t features;
- result = smu8_send_msg_to_smc_with_parameter(hwmgr, PPSMC_MSG_GetFeatureStatus, 0);
+ result = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_GetFeatureStatus,
+ 0,
+ &features);
if (result == 0) {
- features = smum_get_argument(hwmgr);
if (features & check_feature)
return true;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
index 4240aeec9000..b6fb48066841 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c
@@ -103,14 +103,6 @@ int smum_process_firmware_header(struct pp_hwmgr *hwmgr)
return 0;
}
-uint32_t smum_get_argument(struct pp_hwmgr *hwmgr)
-{
- if (NULL != hwmgr->smumgr_funcs->get_argument)
- return hwmgr->smumgr_funcs->get_argument(hwmgr);
-
- return 0;
-}
-
uint32_t smum_get_mac_definition(struct pp_hwmgr *hwmgr, uint32_t value)
{
if (NULL != hwmgr->smumgr_funcs->get_mac_definition)
@@ -135,22 +127,58 @@ int smum_upload_powerplay_table(struct pp_hwmgr *hwmgr)
return 0;
}
-int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg)
+int smum_send_msg_to_smc(struct pp_hwmgr *hwmgr, uint16_t msg, uint32_t *resp)
{
- if (hwmgr == NULL || hwmgr->smumgr_funcs->send_msg_to_smc == NULL)
+ int ret = 0;
+
+ if (hwmgr == NULL ||
+ hwmgr->smumgr_funcs->send_msg_to_smc == NULL ||
+ (resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
- return hwmgr->smumgr_funcs->send_msg_to_smc(hwmgr, msg);
+ mutex_lock(&hwmgr->msg_lock);
+
+ ret = hwmgr->smumgr_funcs->send_msg_to_smc(hwmgr, msg);
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
+ return ret;
+ }
+
+ if (resp)
+ *resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+
+ mutex_unlock(&hwmgr->msg_lock);
+
+ return ret;
}
int smum_send_msg_to_smc_with_parameter(struct pp_hwmgr *hwmgr,
- uint16_t msg, uint32_t parameter)
+ uint16_t msg,
+ uint32_t parameter,
+ uint32_t *resp)
{
+ int ret = 0;
+
if (hwmgr == NULL ||
- hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter == NULL)
+ hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter == NULL ||
+ (resp && !hwmgr->smumgr_funcs->get_argument))
return -EINVAL;
- return hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter(
+
+ mutex_lock(&hwmgr->msg_lock);
+
+ ret = hwmgr->smumgr_funcs->send_msg_to_smc_with_parameter(
hwmgr, msg, parameter);
+ if (ret) {
+ mutex_unlock(&hwmgr->msg_lock);
+ return ret;
+ }
+
+ if (resp)
+ *resp = hwmgr->smumgr_funcs->get_argument(hwmgr);
+
+ mutex_unlock(&hwmgr->msg_lock);
+
+ return ret;
}
int smum_init_smc_table(struct pp_hwmgr *hwmgr)
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
index f19bac7ef7ba..398e7e3587de 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c
@@ -2702,7 +2702,8 @@ static int tonga_update_uvd_smc_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_UVDDPM_SetEnabledMask,
- (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel));
+ (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel),
+ NULL);
return 0;
}
@@ -2733,7 +2734,8 @@ static int tonga_update_vce_smc_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_VCEDPM_SetEnabledMask,
- (uint32_t)1 << smu_data->smc_state_table.VceBootLevel);
+ (uint32_t)1 << smu_data->smc_state_table.VceBootLevel,
+ NULL);
return 0;
}
@@ -3168,7 +3170,7 @@ static int tonga_update_dpm_settings(struct pp_hwmgr *hwmgr,
if (setting->bupdate_sclk) {
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.GraphicsDpmLevelCount; i++) {
if (levels[i].ActivityLevel !=
cpu_to_be16(setting->sclk_activity)) {
@@ -3198,12 +3200,12 @@ static int tonga_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->sclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_SCLKDPM_UnfreezeLevel, NULL);
}
if (setting->bupdate_mclk) {
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_FreezeLevel, NULL);
for (i = 0; i < smu_data->smc_state_table.MemoryDpmLevelCount; i++) {
if (mclk_levels[i].ActivityLevel !=
cpu_to_be16(setting->mclk_activity)) {
@@ -3233,7 +3235,7 @@ static int tonga_update_dpm_settings(struct pp_hwmgr *hwmgr,
}
}
if (!data->mclk_dpm_key_disabled)
- smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_MCLKDPM_UnfreezeLevel, NULL);
}
return 0;
}
@@ -3248,6 +3250,7 @@ const struct pp_smumgr_func tonga_smu_funcs = {
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = &smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = &smu7_send_msg_to_smc_with_parameter,
+ .get_argument = smu7_get_argument,
.download_pptable_settings = NULL,
.upload_pptable_settings = NULL,
.update_smc_table = tonga_update_smc_table,
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
index 715564009089..1e222c5d91a4 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega10_smumgr.c
@@ -47,15 +47,18 @@ static int vega10_copy_table_from_smc(struct pp_hwmgr *hwmgr,
"Invalid SMU Table version!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL);
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
- priv->smu_tables.entry[table_id].table_id);
+ priv->smu_tables.entry[table_id].table_id,
+ NULL);
/* flush hdp cache */
amdgpu_asic_flush_hdp(adev, NULL);
@@ -90,15 +93,18 @@ static int vega10_copy_table_to_smc(struct pp_hwmgr *hwmgr,
amdgpu_asic_flush_hdp(adev, NULL);
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr));
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableDram2Smu,
- priv->smu_tables.entry[table_id].table_id);
+ priv->smu_tables.entry[table_id].table_id,
+ NULL);
return 0;
}
@@ -118,17 +124,21 @@ int vega10_enable_smc_features(struct pp_hwmgr *hwmgr,
return 0;
return smum_send_msg_to_smc_with_parameter(hwmgr,
- msg, feature_mask);
+ msg, feature_mask, NULL);
}
int vega10_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
uint64_t *features_enabled)
{
+ uint32_t enabled_features;
+
if (features_enabled == NULL)
return -EINVAL;
- smu9_send_msg_to_smc(hwmgr, PPSMC_MSG_GetEnabledSmuFeatures);
- *features_enabled = smu9_get_argument(hwmgr);
+ smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetEnabledSmuFeatures,
+ &enabled_features);
+ *features_enabled = enabled_features;
return 0;
}
@@ -150,12 +160,14 @@ static int vega10_set_tools_address(struct pp_hwmgr *hwmgr)
struct vega10_smumgr *priv = hwmgr->smu_backend;
if (priv->smu_tables.entry[TOOLSTABLE].mc_addr) {
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
+ NULL);
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr));
+ lower_32_bits(priv->smu_tables.entry[TOOLSTABLE].mc_addr),
+ NULL);
}
return 0;
}
@@ -167,11 +179,11 @@ static int vega10_verify_smc_interface(struct pp_hwmgr *hwmgr)
uint32_t dev_id;
uint32_t rev_id;
- PP_ASSERT_WITH_CODE(!smu9_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetDriverIfVersion),
+ PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetDriverIfVersion,
+ &smc_driver_if_version),
"Attempt to get SMC IF Version Number Failed!",
return -EINVAL);
- smc_driver_if_version = smu9_get_argument(hwmgr);
dev_id = adev->pdev->device;
rev_id = adev->pdev->revision;
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c
index 275dbf65f1a0..f54df76537e4 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega12_smumgr.c
@@ -50,18 +50,21 @@ static int vega12_copy_table_from_smc(struct pp_hwmgr *hwmgr,
"Invalid SMU Table version!", return -EINVAL);
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
- table_id) == 0,
+ table_id,
+ NULL) == 0,
"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
return -EINVAL);
@@ -98,19 +101,22 @@ static int vega12_copy_table_to_smc(struct pp_hwmgr *hwmgr,
amdgpu_asic_flush_hdp(adev, NULL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
return -EINVAL;);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr)) == 0,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableDram2Smu,
- table_id) == 0,
+ table_id,
+ NULL) == 0,
"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
return -EINVAL);
@@ -126,21 +132,21 @@ int vega12_enable_smc_features(struct pp_hwmgr *hwmgr,
smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
if (enable) {
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low, NULL) == 0,
"[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!",
return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high, NULL) == 0,
"[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!",
return -EINVAL);
} else {
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low, NULL) == 0,
"[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!",
return -EINVAL);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high, NULL) == 0,
"[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!",
return -EINVAL);
}
@@ -156,17 +162,17 @@ int vega12_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
if (features_enabled == NULL)
return -EINVAL;
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetEnabledSmuFeaturesLow) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetEnabledSmuFeaturesLow,
+ &smc_features_low) == 0,
"[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!",
return -EINVAL);
- smc_features_low = smu9_get_argument(hwmgr);
- PP_ASSERT_WITH_CODE(smu9_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetEnabledSmuFeaturesHigh) == 0,
+ PP_ASSERT_WITH_CODE(smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetEnabledSmuFeaturesHigh,
+ &smc_features_high) == 0,
"[GetEnabledSMCFeatures] Attempt to get SMU features High failed!",
return -EINVAL);
- smc_features_high = smu9_get_argument(hwmgr);
*features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
(((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
@@ -192,12 +198,14 @@ static int vega12_set_tools_address(struct pp_hwmgr *hwmgr)
(struct vega12_smumgr *)(hwmgr->smu_backend);
if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
- if (!smu9_send_msg_to_smc_with_parameter(hwmgr,
+ if (!smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr)))
- smu9_send_msg_to_smc_with_parameter(hwmgr,
+ upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
+ NULL))
+ smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr));
+ lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
+ NULL);
}
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
index 16aa171971d3..2fb97554134f 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vega20_smumgr.c
@@ -175,18 +175,20 @@ static int vega20_copy_table_from_smc(struct pp_hwmgr *hwmgr,
PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
"Invalid SMU Table Length!", return -EINVAL);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr))) == 0,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL)) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr))) == 0,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL)) == 0,
"[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_TransferTableSmu2Dram, table_id)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_TransferTableSmu2Dram, table_id, NULL)) == 0,
"[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
return ret);
@@ -224,18 +226,20 @@ static int vega20_copy_table_to_smc(struct pp_hwmgr *hwmgr,
amdgpu_asic_flush_hdp(adev, NULL);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[table_id].mc_addr))) == 0,
+ upper_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL)) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[table_id].mc_addr))) == 0,
+ lower_32_bits(priv->smu_tables.entry[table_id].mc_addr),
+ NULL)) == 0,
"[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_TransferTableDram2Smu, table_id)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_TransferTableDram2Smu, table_id, NULL)) == 0,
"[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
return ret);
@@ -255,18 +259,22 @@ int vega20_set_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
amdgpu_asic_flush_hdp(adev, NULL);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr))) == 0,
+ upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
+ NULL)) == 0,
"[SetActivityMonitor] Attempt to Set Dram Addr High Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr))) == 0,
+ lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
+ NULL)) == 0,
"[SetActivityMonitor] Attempt to Set Dram Addr Low Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_TransferTableDram2Smu, TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16))) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_TransferTableDram2Smu,
+ TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16),
+ NULL)) == 0,
"[SetActivityMonitor] Attempt to Transfer Table To SMU Failed!",
return ret);
@@ -281,19 +289,21 @@ int vega20_get_activity_monitor_coeff(struct pp_hwmgr *hwmgr,
struct amdgpu_device *adev = hwmgr->adev;
int ret = 0;
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr))) == 0,
+ upper_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
+ NULL)) == 0,
"[GetActivityMonitor] Attempt to Set Dram Addr High Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr))) == 0,
+ lower_32_bits(priv->smu_tables.entry[TABLE_ACTIVITY_MONITOR_COEFF].mc_addr),
+ NULL)) == 0,
"[GetActivityMonitor] Attempt to Set Dram Addr Low Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_TransferTableSmu2Dram,
- TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16))) == 0,
+ TABLE_ACTIVITY_MONITOR_COEFF | (workload_type << 16), NULL)) == 0,
"[GetActivityMonitor] Attempt to Transfer Table From SMU Failed!",
return ret);
@@ -316,21 +326,21 @@ int vega20_enable_smc_features(struct pp_hwmgr *hwmgr,
smu_features_high = (uint32_t)((feature_mask & SMU_FEATURES_HIGH_MASK) >> SMU_FEATURES_HIGH_SHIFT);
if (enable) {
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_EnableSmuFeaturesLow, smu_features_low, NULL)) == 0,
"[EnableDisableSMCFeatures] Attempt to enable SMU features Low failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_EnableSmuFeaturesHigh, smu_features_high, NULL)) == 0,
"[EnableDisableSMCFeatures] Attempt to enable SMU features High failed!",
return ret);
} else {
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DisableSmuFeaturesLow, smu_features_low, NULL)) == 0,
"[EnableDisableSMCFeatures] Attempt to disable SMU features Low failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_DisableSmuFeaturesHigh, smu_features_high, NULL)) == 0,
"[EnableDisableSMCFeatures] Attempt to disable SMU features High failed!",
return ret);
}
@@ -347,16 +357,16 @@ int vega20_get_enabled_smc_features(struct pp_hwmgr *hwmgr,
if (features_enabled == NULL)
return -EINVAL;
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetEnabledSmuFeaturesLow)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetEnabledSmuFeaturesLow,
+ &smc_features_low)) == 0,
"[GetEnabledSMCFeatures] Attempt to get SMU features Low failed!",
return ret);
- smc_features_low = vega20_get_argument(hwmgr);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc(hwmgr,
- PPSMC_MSG_GetEnabledSmuFeaturesHigh)) == 0,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_GetEnabledSmuFeaturesHigh,
+ &smc_features_high)) == 0,
"[GetEnabledSMCFeatures] Attempt to get SMU features High failed!",
return ret);
- smc_features_high = vega20_get_argument(hwmgr);
*features_enabled = ((((uint64_t)smc_features_low << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
(((uint64_t)smc_features_high << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
@@ -371,13 +381,15 @@ static int vega20_set_tools_address(struct pp_hwmgr *hwmgr)
int ret = 0;
if (priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr) {
- ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr));
+ upper_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
+ NULL);
if (!ret)
- ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetToolsDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr));
+ lower_32_bits(priv->smu_tables.entry[TABLE_PMSTATUSLOG].mc_addr),
+ NULL);
}
return ret;
@@ -389,14 +401,16 @@ int vega20_set_pptable_driver_address(struct pp_hwmgr *hwmgr)
(struct vega20_smumgr *)(hwmgr->smu_backend);
int ret = 0;
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrHigh,
- upper_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr))) == 0,
+ upper_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
+ NULL)) == 0,
"[SetPPtabeDriverAddress] Attempt to Set Dram Addr High Failed!",
return ret);
- PP_ASSERT_WITH_CODE((ret = vega20_send_msg_to_smc_with_parameter(hwmgr,
+ PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetDriverDramAddrLow,
- lower_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr))) == 0,
+ lower_32_bits(priv->smu_tables.entry[TABLE_PPTABLE].mc_addr),
+ NULL)) == 0,
"[SetPPtabeDriverAddress] Attempt to Set Dram Addr Low Failed!",
return ret);
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
index b0e0d67cd54b..3da71a088b92 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/vegam_smumgr.c
@@ -356,7 +356,8 @@ static int vegam_update_uvd_smc_table(struct pp_hwmgr *hwmgr)
PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_UVDDPM_SetEnabledMask,
- (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel));
+ (uint32_t)(1 << smu_data->smc_state_table.UvdBootLevel),
+ NULL);
return 0;
}
@@ -388,7 +389,8 @@ static int vegam_update_vce_smc_table(struct pp_hwmgr *hwmgr)
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_StablePState))
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_VCEDPM_SetEnabledMask,
- (uint32_t)1 << smu_data->smc_state_table.VceBootLevel);
+ (uint32_t)1 << smu_data->smc_state_table.VceBootLevel,
+ NULL);
return 0;
}
@@ -1906,7 +1908,8 @@ static int vegam_enable_reconfig_cus(struct pp_hwmgr *hwmgr)
smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_EnableModeSwitchRLCNotification,
- adev->gfx.cu_info.number);
+ adev->gfx.cu_info.number,
+ NULL);
return 0;
}
@@ -2060,7 +2063,7 @@ static int vegam_init_smc_table(struct pp_hwmgr *hwmgr)
table->AcDcGpio = gpio_pin.uc_gpio_pin_bit_shift;
if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_AutomaticDCTransition) &&
- !smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UseNewGPIOScheme))
+ !smum_send_msg_to_smc(hwmgr, PPSMC_MSG_UseNewGPIOScheme, NULL))
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_SMCtoPPLIBAcdcGpioScheme);
} else {
@@ -2250,10 +2253,12 @@ int vegam_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
if (!hwmgr->avfs_supported)
return 0;
- ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs);
+ ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_EnableAvfs, NULL);
if (!ret) {
if (data->apply_avfs_cks_off_voltage)
- ret = smum_send_msg_to_smc(hwmgr, PPSMC_MSG_ApplyAvfsCksOffVoltage);
+ ret = smum_send_msg_to_smc(hwmgr,
+ PPSMC_MSG_ApplyAvfsCksOffVoltage,
+ NULL);
}
return ret;
@@ -2279,6 +2284,7 @@ const struct pp_smumgr_func vegam_smu_funcs = {
.request_smu_load_specific_fw = NULL,
.send_msg_to_smc = smu7_send_msg_to_smc,
.send_msg_to_smc_with_parameter = smu7_send_msg_to_smc_with_parameter,
+ .get_argument = smu7_get_argument,
.process_firmware_header = vegam_process_firmware_header,
.is_dpm_running = vegam_is_dpm_running,
.get_mac_definition = vegam_get_mac_definition,
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index 3f1044326dcb..61923530b2e4 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -1796,7 +1796,7 @@ static int vega20_get_power_profile_mode(struct smu_context *smu, char *buf)
"PD_Data_error_rate_coeff"};
int result = 0;
- if (!smu->pm_enabled || !buf)
+ if (!buf)
return -EINVAL;
size += sprintf(buf + size, "%16s %s %s %s %s %s %s %s %s %s %s\n",
@@ -1887,8 +1887,6 @@ static int vega20_set_power_profile_mode(struct smu_context *smu, long *input, u
smu->power_profile_mode = input[size];
- if (!smu->pm_enabled)
- return ret;
if (smu->power_profile_mode > PP_SMC_POWER_PROFILE_CUSTOM) {
pr_err("Invalid power profile mode %d\n", smu->power_profile_mode);
return -EINVAL;
diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
index d6a6692db0ac..c05d001163e0 100644
--- a/drivers/gpu/drm/arc/arcpgu_drv.c
+++ b/drivers/gpu/drm/arc/arcpgu_drv.c
@@ -137,10 +137,11 @@ static struct drm_info_list arcpgu_debugfs_list[] = {
{ "clocks", arcpgu_show_pxlclock, 0 },
};
-static int arcpgu_debugfs_init(struct drm_minor *minor)
+static void arcpgu_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(arcpgu_debugfs_list,
- ARRAY_SIZE(arcpgu_debugfs_list), minor->debugfs_root, minor);
+ drm_debugfs_create_files(arcpgu_debugfs_list,
+ ARRAY_SIZE(arcpgu_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
index 442d4656150a..6b85d5f4caa8 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c
@@ -14,6 +14,7 @@
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_irq.h>
+#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -260,17 +261,16 @@ static void komeda_kms_mode_config_init(struct komeda_kms_dev *kms,
struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev)
{
- struct komeda_kms_dev *kms = kzalloc(sizeof(*kms), GFP_KERNEL);
+ struct komeda_kms_dev *kms;
struct drm_device *drm;
int err;
- if (!kms)
- return ERR_PTR(-ENOMEM);
+ kms = devm_drm_dev_alloc(mdev->dev, &komeda_kms_driver,
+ struct komeda_kms_dev, base);
+ if (IS_ERR(kms))
+ return kms;
drm = &kms->base;
- err = drm_dev_init(drm, &komeda_kms_driver, mdev->dev);
- if (err)
- goto free_kms;
drm->dev_private = mdev;
@@ -327,9 +327,6 @@ cleanup_mode_config:
drm_mode_config_cleanup(drm);
komeda_kms_cleanup_private_objs(kms);
drm->dev_private = NULL;
- drm_dev_put(drm);
-free_kms:
- kfree(kms);
return ERR_PTR(err);
}
@@ -346,5 +343,4 @@ void komeda_kms_detach(struct komeda_kms_dev *kms)
drm_mode_config_cleanup(drm);
komeda_kms_cleanup_private_objs(kms);
drm->dev_private = NULL;
- drm_dev_put(drm);
}
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 2e053815b54a..194419f47c5e 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -224,10 +224,11 @@ static struct drm_info_list hdlcd_debugfs_list[] = {
{ "clocks", hdlcd_show_pxlclock, 0 },
};
-static int hdlcd_debugfs_init(struct drm_minor *minor)
+static void hdlcd_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(hdlcd_debugfs_list,
- ARRAY_SIZE(hdlcd_debugfs_list), minor->debugfs_root, minor);
+ drm_debugfs_create_files(hdlcd_debugfs_list,
+ ARRAY_SIZE(hdlcd_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 37d92a06318e..def8c9ffafca 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -548,7 +548,7 @@ static const struct file_operations malidp_debugfs_fops = {
.release = single_release,
};
-static int malidp_debugfs_init(struct drm_minor *minor)
+static void malidp_debugfs_init(struct drm_minor *minor)
{
struct malidp_drm *malidp = minor->dev->dev_private;
@@ -557,7 +557,6 @@ static int malidp_debugfs_init(struct drm_minor *minor)
spin_lock_init(&malidp->errors_lock);
debugfs_create_file("debug", S_IRUGO | S_IWUSR, minor->debugfs_root,
minor->dev, &malidp_debugfs_fops);
- return 0;
}
#endif //CONFIG_DEBUG_FS
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 197dca3fc84c..5fc25c3f445c 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -12,6 +12,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_prime.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_fb_helper.h>
@@ -103,6 +104,7 @@ static int armada_drm_bind(struct device *dev)
kfree(priv);
return ret;
}
+ drmm_add_final_kfree(&priv->drm, priv);
/* Remove early framebuffers */
ret = drm_fb_helper_remove_conflicting_framebuffers(NULL,
@@ -311,7 +313,7 @@ static void __exit armada_drm_exit(void)
}
module_exit(armada_drm_exit);
-MODULE_AUTHOR("Russell King <rmk+kernel@arm.linux.org.uk>");
+MODULE_AUTHOR("Russell King <rmk+kernel@armlinux.org.uk>");
MODULE_DESCRIPTION("Armada DRM Driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:armada-drm");
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h
index a10358bb61ec..e7ca95827ae8 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx.h
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h
@@ -5,6 +5,7 @@
#include <drm/drm_simple_kms_helper.h>
struct aspeed_gfx {
+ struct drm_device drm;
void __iomem *base;
struct clk *clk;
struct reset_control *rst;
@@ -12,8 +13,8 @@ struct aspeed_gfx {
struct drm_simple_display_pipe pipe;
struct drm_connector connector;
- struct drm_fbdev_cma *fbdev;
};
+#define to_aspeed_gfx(x) container_of(x, struct aspeed_gfx, drm)
int aspeed_gfx_create_pipe(struct drm_device *drm);
int aspeed_gfx_create_output(struct drm_device *drm);
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
index 2184b8be6fd4..e54686c31a90 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_crtc.c
@@ -231,7 +231,7 @@ static const uint32_t aspeed_gfx_formats[] = {
int aspeed_gfx_create_pipe(struct drm_device *drm)
{
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
return drm_simple_display_pipe_init(drm, &priv->pipe, &aspeed_gfx_funcs,
aspeed_gfx_formats,
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
index ada2f6aca906..6b27242b9ee3 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_drv.c
@@ -77,7 +77,7 @@ static void aspeed_gfx_setup_mode_config(struct drm_device *drm)
static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
{
struct drm_device *drm = data;
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
u32 reg;
reg = readl(priv->base + CRT_CTRL1);
@@ -96,15 +96,10 @@ static irqreturn_t aspeed_gfx_irq_handler(int irq, void *data)
static int aspeed_gfx_load(struct drm_device *drm)
{
struct platform_device *pdev = to_platform_device(drm->dev);
- struct aspeed_gfx *priv;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
struct resource *res;
int ret;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
- drm->dev_private = priv;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->base = devm_ioremap_resource(drm->dev, res);
if (IS_ERR(priv->base))
@@ -187,8 +182,6 @@ static void aspeed_gfx_unload(struct drm_device *drm)
{
drm_kms_helper_poll_fini(drm);
drm_mode_config_cleanup(drm);
-
- drm->dev_private = NULL;
}
DEFINE_DRM_GEM_CMA_FOPS(fops);
@@ -216,27 +209,26 @@ static const struct of_device_id aspeed_gfx_match[] = {
static int aspeed_gfx_probe(struct platform_device *pdev)
{
- struct drm_device *drm;
+ struct aspeed_gfx *priv;
int ret;
- drm = drm_dev_alloc(&aspeed_gfx_driver, &pdev->dev);
- if (IS_ERR(drm))
- return PTR_ERR(drm);
+ priv = devm_drm_dev_alloc(&pdev->dev, &aspeed_gfx_driver,
+ struct aspeed_gfx, drm);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
- ret = aspeed_gfx_load(drm);
+ ret = aspeed_gfx_load(&priv->drm);
if (ret)
- goto err_free;
+ return ret;
- ret = drm_dev_register(drm, 0);
+ ret = drm_dev_register(&priv->drm, 0);
if (ret)
goto err_unload;
return 0;
err_unload:
- aspeed_gfx_unload(drm);
-err_free:
- drm_dev_put(drm);
+ aspeed_gfx_unload(&priv->drm);
return ret;
}
@@ -247,7 +239,6 @@ static int aspeed_gfx_remove(struct platform_device *pdev)
drm_dev_unregister(drm);
aspeed_gfx_unload(drm);
- drm_dev_put(drm);
return 0;
}
diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx_out.c b/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
index 67ee5fa10055..6759cb88415a 100644
--- a/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
+++ b/drivers/gpu/drm/aspeed/aspeed_gfx_out.c
@@ -28,7 +28,7 @@ static const struct drm_connector_funcs aspeed_gfx_connector_funcs = {
int aspeed_gfx_create_output(struct drm_device *drm)
{
- struct aspeed_gfx *priv = drm->dev_private;
+ struct aspeed_gfx *priv = to_aspeed_gfx(drm);
int ret;
priv->connector.dpms = DRM_MODE_DPMS_OFF;
diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c
index 30aa73a5d9b7..b7ba22dddcad 100644
--- a/drivers/gpu/drm/ast/ast_drv.c
+++ b/drivers/gpu/drm/ast/ast_drv.c
@@ -32,6 +32,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_probe_helper.h>
@@ -111,6 +112,8 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto err_ast_driver_unload;
+ drm_fbdev_generic_setup(dev, 32);
+
return 0;
err_ast_driver_unload:
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 18a0a4ce00f6..e5398e3dabe7 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -30,7 +30,6 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_crtc_helper.h>
-#include <drm/drm_fb_helper.h>
#include <drm/drm_gem.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_vram_helper.h>
@@ -512,10 +511,6 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
drm_mode_config_reset(dev);
- ret = drm_fbdev_generic_setup(dev, 32);
- if (ret)
- goto out_free;
-
return 0;
out_free:
kfree(ast);
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index cdd6c46d6557..7d39b858c9f1 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -561,8 +561,9 @@ static int ast_primary_plane_helper_atomic_check(struct drm_plane *plane,
return 0;
}
-void ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
- struct drm_plane_state *old_state)
+static void
+ast_primary_plane_helper_atomic_update(struct drm_plane *plane,
+ struct drm_plane_state *old_state)
{
struct ast_private *ast = plane->dev->dev_private;
struct drm_plane_state *state = plane->state;
@@ -801,6 +802,9 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc,
return -EINVAL;
}
+ if (!state->enable)
+ return 0; /* no mode checks if CRTC is being disabled */
+
ast_state = to_ast_crtc_state(state);
format = ast_state->format;
@@ -881,6 +885,17 @@ static const struct drm_crtc_helper_funcs ast_crtc_helper_funcs = {
.atomic_disable = ast_crtc_helper_atomic_disable,
};
+static void ast_crtc_reset(struct drm_crtc *crtc)
+{
+ struct ast_crtc_state *ast_state =
+ kzalloc(sizeof(*ast_state), GFP_KERNEL);
+
+ if (crtc->state)
+ crtc->funcs->atomic_destroy_state(crtc, crtc->state);
+
+ __drm_atomic_helper_crtc_reset(crtc, &ast_state->base);
+}
+
static void ast_crtc_destroy(struct drm_crtc *crtc)
{
drm_crtc_cleanup(crtc);
@@ -919,8 +934,7 @@ static void ast_crtc_atomic_destroy_state(struct drm_crtc *crtc,
}
static const struct drm_crtc_funcs ast_crtc_funcs = {
- .reset = drm_atomic_helper_crtc_reset,
- .set_config = drm_crtc_helper_set_config,
+ .reset = ast_crtc_reset,
.gamma_set = drm_atomic_helper_legacy_gamma_set,
.destroy = ast_crtc_destroy,
.set_config = drm_atomic_helper_set_config,
@@ -1069,7 +1083,6 @@ static void ast_connector_destroy(struct drm_connector *connector)
{
struct ast_connector *ast_connector = to_ast_connector(connector);
ast_i2c_destroy(ast_connector->i2c);
- drm_connector_unregister(connector);
drm_connector_cleanup(connector);
kfree(connector);
}
@@ -1112,8 +1125,6 @@ static int ast_connector_init(struct drm_device *dev)
connector->interlace_allowed = 0;
connector->doublescan_allowed = 0;
- drm_connector_register(connector);
-
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
encoder = list_first_entry(&dev->mode_config.encoder_list, struct drm_encoder, head);
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
index e2019fe97fff..43bc709e3523 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c
@@ -11,9 +11,10 @@
#include <linux/media-bus-format.h>
#include <linux/of_graph.h>
+#include <drm/drm_bridge.h>
#include <drm/drm_encoder.h>
#include <drm/drm_of.h>
-#include <drm/drm_bridge.h>
+#include <drm/drm_simple_kms_helper.h>
#include "atmel_hlcdc_dc.h"
@@ -22,10 +23,6 @@ struct atmel_hlcdc_rgb_output {
int bus_fmt;
};
-static const struct drm_encoder_funcs atmel_hlcdc_panel_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static struct atmel_hlcdc_rgb_output *
atmel_hlcdc_encoder_to_rgb_output(struct drm_encoder *encoder)
{
@@ -98,9 +95,8 @@ static int atmel_hlcdc_attach_endpoint(struct drm_device *dev, int endpoint)
return -EINVAL;
}
- ret = drm_encoder_init(dev, &output->encoder,
- &atmel_hlcdc_panel_encoder_funcs,
- DRM_MODE_ENCODER_NONE, NULL);
+ ret = drm_simple_encoder_init(dev, &output->encoder,
+ DRM_MODE_ENCODER_NONE);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h
index 917767173ee6..e5bd1d517a18 100644
--- a/drivers/gpu/drm/bochs/bochs.h
+++ b/drivers/gpu/drm/bochs/bochs.h
@@ -92,7 +92,6 @@ void bochs_mm_fini(struct bochs_device *bochs);
/* bochs_kms.c */
int bochs_kms_init(struct bochs_device *bochs);
-void bochs_kms_fini(struct bochs_device *bochs);
/* bochs_fbdev.c */
extern const struct drm_mode_config_funcs bochs_mode_funcs;
diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c
index addb0568c1af..e18c51de1196 100644
--- a/drivers/gpu/drm/bochs/bochs_drv.c
+++ b/drivers/gpu/drm/bochs/bochs_drv.c
@@ -7,6 +7,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_atomic_helper.h>
+#include <drm/drm_managed.h>
#include "bochs.h"
@@ -21,10 +22,7 @@ static void bochs_unload(struct drm_device *dev)
{
struct bochs_device *bochs = dev->dev_private;
- bochs_kms_fini(bochs);
bochs_mm_fini(bochs);
- kfree(bochs);
- dev->dev_private = NULL;
}
static int bochs_load(struct drm_device *dev)
@@ -32,7 +30,7 @@ static int bochs_load(struct drm_device *dev)
struct bochs_device *bochs;
int ret;
- bochs = kzalloc(sizeof(*bochs), GFP_KERNEL);
+ bochs = drmm_kzalloc(dev, sizeof(*bochs), GFP_KERNEL);
if (bochs == NULL)
return -ENOMEM;
dev->dev_private = bochs;
diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c
index 8066d7d370d5..05d8373888e8 100644
--- a/drivers/gpu/drm/bochs/bochs_kms.c
+++ b/drivers/gpu/drm/bochs/bochs_kms.c
@@ -104,7 +104,6 @@ static void bochs_connector_init(struct drm_device *dev)
DRM_MODE_CONNECTOR_VIRTUAL);
drm_connector_helper_add(connector,
&bochs_connector_connector_helper_funcs);
- drm_connector_register(connector);
bochs_hw_load_edid(bochs);
if (bochs->edid) {
@@ -134,7 +133,11 @@ const struct drm_mode_config_funcs bochs_mode_funcs = {
int bochs_kms_init(struct bochs_device *bochs)
{
- drm_mode_config_init(bochs->dev);
+ int ret;
+
+ ret = drmm_mode_config_init(bochs->dev);
+ if (ret)
+ return ret;
bochs->dev->mode_config.max_width = 8192;
bochs->dev->mode_config.max_height = 8192;
@@ -160,12 +163,3 @@ int bochs_kms_init(struct bochs_device *bochs)
return 0;
}
-
-void bochs_kms_fini(struct bochs_device *bochs)
-{
- if (!bochs->dev->mode_config.num_connector)
- return;
-
- drm_atomic_helper_shutdown(bochs->dev);
- drm_mode_config_cleanup(bochs->dev);
-}
diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
index aaed2347ace9..04f876e985de 100644
--- a/drivers/gpu/drm/bridge/Kconfig
+++ b/drivers/gpu/drm/bridge/Kconfig
@@ -27,6 +27,16 @@ config DRM_CDNS_DSI
Support Cadence DPI to DSI bridge. This is an internal
bridge and is meant to be directly embedded in a SoC.
+config DRM_CHRONTEL_CH7033
+ tristate "Chrontel CH7033 Video Encoder"
+ depends on OF
+ select DRM_KMS_HELPER
+ help
+ Enable support for the Chrontel CH7033 VGA/DVI/HDMI Encoder, as
+ found in the Dell Wyse 3020 thin client.
+
+ If in doubt, say "N".
+
config DRM_DISPLAY_CONNECTOR
tristate "Display connector support"
depends on OF
@@ -58,6 +68,22 @@ config DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW
to DP++. This is used with the i.MX6 imx-ldb
driver. You are likely to say N here.
+config DRM_NWL_MIPI_DSI
+ tristate "Northwest Logic MIPI DSI Host controller"
+ depends on DRM
+ depends on COMMON_CLK
+ depends on OF && HAS_IOMEM
+ select DRM_KMS_HELPER
+ select DRM_MIPI_DSI
+ select DRM_PANEL_BRIDGE
+ select GENERIC_PHY_MIPI_DPHY
+ select MFD_SYSCON
+ select MULTIPLEXER
+ select REGMAP_MMIO
+ help
+ This enables the Northwest Logic MIPI DSI Host controller as
+ for example found on NXP's i.MX8 Processors.
+
config DRM_NXP_PTN3460
tristate "NXP PTN3460 DP/LVDS bridge"
depends on OF
diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile
index 6fb062b5b0f0..d63d4b7e4347 100644
--- a/drivers/gpu/drm/bridge/Makefile
+++ b/drivers/gpu/drm/bridge/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_DRM_CDNS_DSI) += cdns-dsi.o
+obj-$(CONFIG_DRM_CHRONTEL_CH7033) += chrontel-ch7033.o
obj-$(CONFIG_DRM_DISPLAY_CONNECTOR) += display-connector.o
obj-$(CONFIG_DRM_LVDS_CODEC) += lvds-codec.o
obj-$(CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW) += megachips-stdpxxxx-ge-b850v3-fw.o
@@ -18,6 +19,7 @@ obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511/
obj-$(CONFIG_DRM_TI_SN65DSI86) += ti-sn65dsi86.o
obj-$(CONFIG_DRM_TI_TFP410) += ti-tfp410.o
obj-$(CONFIG_DRM_TI_TPD12S015) += ti-tpd12s015.o
+obj-$(CONFIG_DRM_NWL_MIPI_DSI) += nwl-dsi.o
obj-y += analogix/
obj-y += synopsys/
diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig
index 47d4eb9e845d..f46a5e26b5dd 100644
--- a/drivers/gpu/drm/bridge/adv7511/Kconfig
+++ b/drivers/gpu/drm/bridge/adv7511/Kconfig
@@ -6,7 +6,7 @@ config DRM_I2C_ADV7511
select REGMAP_I2C
select DRM_MIPI_DSI
help
- Support for the Analog Device ADV7511(W)/13/33/35 HDMI encoders.
+ Support for the Analog Devices ADV7511(W)/13/33/35 HDMI encoders.
config DRM_I2C_ADV7511_AUDIO
bool "ADV7511 HDMI Audio driver"
diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
index a428185be2c1..f101dd2819b5 100644
--- a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
+++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c
@@ -19,13 +19,15 @@ static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs,
{
switch (fs) {
case 32000:
- *n = 4096;
+ case 48000:
+ case 96000:
+ case 192000:
+ *n = fs * 128 / 1000;
break;
case 44100:
- *n = 6272;
- break;
- case 48000:
- *n = 6144;
+ case 88200:
+ case 176400:
+ *n = fs * 128 / 900;
break;
}
@@ -119,6 +121,9 @@ int adv7511_hdmi_hw_params(struct device *dev, void *data,
audio_source = ADV7511_AUDIO_SOURCE_I2S;
i2s_format = ADV7511_I2S_FORMAT_LEFT_J;
break;
+ case HDMI_SPDIF:
+ audio_source = ADV7511_AUDIO_SOURCE_SPDIF;
+ break;
default:
return -EINVAL;
}
@@ -175,11 +180,21 @@ static int audio_startup(struct device *dev, void *data)
/* use Audio infoframe updated info */
regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1),
BIT(5), 0);
+ /* enable SPDIF receiver */
+ if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
+ BIT(7), BIT(7));
+
return 0;
}
static void audio_shutdown(struct device *dev, void *data)
{
+ struct adv7511 *adv7511 = dev_get_drvdata(dev);
+
+ if (adv7511->audio_source == ADV7511_AUDIO_SOURCE_SPDIF)
+ regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG,
+ BIT(7), 0);
}
static int adv7511_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
@@ -213,6 +228,7 @@ static const struct hdmi_codec_pdata codec_data = {
.ops = &adv7511_codec_ops,
.max_i2s_channels = 2,
.i2s = 1,
+ .spdif = 1,
};
int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511)
diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index 2bc6e4f85171..9af39ec958db 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -485,6 +485,9 @@ static int anx6345_get_modes(struct drm_connector *connector)
num_modes += drm_add_edid_modes(connector, anx6345->edid);
+ /* Driver currently supports only 6bpc */
+ connector->display_info.bpc = 6;
+
unlock:
if (power_off)
anx6345_poweroff(anx6345);
diff --git a/drivers/gpu/drm/bridge/chrontel-ch7033.c b/drivers/gpu/drm/bridge/chrontel-ch7033.c
new file mode 100644
index 000000000000..f8675d82974b
--- /dev/null
+++ b/drivers/gpu/drm/bridge/chrontel-ch7033.c
@@ -0,0 +1,620 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Chrontel CH7033 Video Encoder Driver
+ *
+ * Copyright (C) 2019,2020 Lubomir Rintel
+ */
+
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_bridge.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_of.h>
+#include <drm/drm_print.h>
+#include <drm/drm_probe_helper.h>
+
+/* Page 0, Register 0x07 */
+enum {
+ DRI_PD = BIT(3),
+ IO_PD = BIT(5),
+};
+
+/* Page 0, Register 0x08 */
+enum {
+ DRI_PDDRI = GENMASK(7, 4),
+ PDDAC = GENMASK(3, 1),
+ PANEN = BIT(0),
+};
+
+/* Page 0, Register 0x09 */
+enum {
+ DPD = BIT(7),
+ GCKOFF = BIT(6),
+ TV_BP = BIT(5),
+ SCLPD = BIT(4),
+ SDPD = BIT(3),
+ VGA_PD = BIT(2),
+ HDBKPD = BIT(1),
+ HDMI_PD = BIT(0),
+};
+
+/* Page 0, Register 0x0a */
+enum {
+ MEMINIT = BIT(7),
+ MEMIDLE = BIT(6),
+ MEMPD = BIT(5),
+ STOP = BIT(4),
+ LVDS_PD = BIT(3),
+ HD_DVIB = BIT(2),
+ HDCP_PD = BIT(1),
+ MCU_PD = BIT(0),
+};
+
+/* Page 0, Register 0x18 */
+enum {
+ IDF = GENMASK(7, 4),
+ INTEN = BIT(3),
+ SWAP = GENMASK(2, 0),
+};
+
+enum {
+ BYTE_SWAP_RGB = 0,
+ BYTE_SWAP_RBG = 1,
+ BYTE_SWAP_GRB = 2,
+ BYTE_SWAP_GBR = 3,
+ BYTE_SWAP_BRG = 4,
+ BYTE_SWAP_BGR = 5,
+};
+
+/* Page 0, Register 0x19 */
+enum {
+ HPO_I = BIT(5),
+ VPO_I = BIT(4),
+ DEPO_I = BIT(3),
+ CRYS_EN = BIT(2),
+ GCLKFREQ = GENMASK(2, 0),
+};
+
+/* Page 0, Register 0x2e */
+enum {
+ HFLIP = BIT(7),
+ VFLIP = BIT(6),
+ DEPO_O = BIT(5),
+ HPO_O = BIT(4),
+ VPO_O = BIT(3),
+ TE = GENMASK(2, 0),
+};
+
+/* Page 0, Register 0x2b */
+enum {
+ SWAPS = GENMASK(7, 4),
+ VFMT = GENMASK(3, 0),
+};
+
+/* Page 0, Register 0x54 */
+enum {
+ COMP_BP = BIT(7),
+ DAC_EN_T = BIT(6),
+ HWO_HDMI_HI = GENMASK(5, 3),
+ HOO_HDMI_HI = GENMASK(2, 0),
+};
+
+/* Page 0, Register 0x57 */
+enum {
+ FLDSEN = BIT(7),
+ VWO_HDMI_HI = GENMASK(5, 3),
+ VOO_HDMI_HI = GENMASK(2, 0),
+};
+
+/* Page 0, Register 0x7e */
+enum {
+ HDMI_LVDS_SEL = BIT(7),
+ DE_GEN = BIT(6),
+ PWM_INDEX_HI = BIT(5),
+ USE_DE = BIT(4),
+ R_INT = GENMASK(3, 0),
+};
+
+/* Page 1, Register 0x07 */
+enum {
+ BPCKSEL = BIT(7),
+ DRI_CMFB_EN = BIT(6),
+ CEC_PUEN = BIT(5),
+ CEC_T = BIT(3),
+ CKINV = BIT(2),
+ CK_TVINV = BIT(1),
+ DRI_CKS2 = BIT(0),
+};
+
+/* Page 1, Register 0x08 */
+enum {
+ DACG = BIT(6),
+ DACKTST = BIT(5),
+ DEDGEB = BIT(4),
+ SYO = BIT(3),
+ DRI_IT_LVDS = GENMASK(2, 1),
+ DISPON = BIT(0),
+};
+
+/* Page 1, Register 0x0c */
+enum {
+ DRI_PLL_CP = GENMASK(7, 6),
+ DRI_PLL_DIVSEL = BIT(5),
+ DRI_PLL_N1_1 = BIT(4),
+ DRI_PLL_N1_0 = BIT(3),
+ DRI_PLL_N3_1 = BIT(2),
+ DRI_PLL_N3_0 = BIT(1),
+ DRI_PLL_CKTSTEN = BIT(0),
+};
+
+/* Page 1, Register 0x6b */
+enum {
+ VCO3CS = GENMASK(7, 6),
+ ICPGBK2_0 = GENMASK(5, 3),
+ DRI_VCO357SC = BIT(2),
+ PDPLL2 = BIT(1),
+ DRI_PD_SER = BIT(0),
+};
+
+/* Page 1, Register 0x6c */
+enum {
+ PLL2N11 = GENMASK(7, 4),
+ PLL2N5_4 = BIT(3),
+ PLL2N5_TOP = BIT(2),
+ DRI_PLL_PD = BIT(1),
+ PD_I2CM = BIT(0),
+};
+
+/* Page 3, Register 0x28 */
+enum {
+ DIFF_EN = GENMASK(7, 6),
+ CORREC_EN = GENMASK(5, 4),
+ VGACLK_BP = BIT(3),
+ HM_LV_SEL = BIT(2),
+ HD_VGA_SEL = BIT(1),
+};
+
+/* Page 3, Register 0x2a */
+enum {
+ LVDSCLK_BP = BIT(7),
+ HDTVCLK_BP = BIT(6),
+ HDMICLK_BP = BIT(5),
+ HDTV_BP = BIT(4),
+ HDMI_BP = BIT(3),
+ THRWL = GENMASK(2, 0),
+};
+
+/* Page 4, Register 0x52 */
+enum {
+ PGM_ARSTB = BIT(7),
+ MCU_ARSTB = BIT(6),
+ MCU_RETB = BIT(2),
+ RESETIB = BIT(1),
+ RESETDB = BIT(0),
+};
+
+struct ch7033_priv {
+ struct regmap *regmap;
+ struct drm_bridge *next_bridge;
+ struct drm_bridge bridge;
+ struct drm_connector connector;
+};
+
+#define conn_to_ch7033_priv(x) \
+ container_of(x, struct ch7033_priv, connector)
+#define bridge_to_ch7033_priv(x) \
+ container_of(x, struct ch7033_priv, bridge)
+
+
+static enum drm_connector_status ch7033_connector_detect(
+ struct drm_connector *connector, bool force)
+{
+ struct ch7033_priv *priv = conn_to_ch7033_priv(connector);
+
+ return drm_bridge_detect(priv->next_bridge);
+}
+
+static const struct drm_connector_funcs ch7033_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .detect = ch7033_connector_detect,
+ .destroy = drm_connector_cleanup,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int ch7033_connector_get_modes(struct drm_connector *connector)
+{
+ struct ch7033_priv *priv = conn_to_ch7033_priv(connector);
+ struct edid *edid;
+ int ret;
+
+ edid = drm_bridge_get_edid(priv->next_bridge, connector);
+ drm_connector_update_edid_property(connector, edid);
+ if (edid) {
+ ret = drm_add_edid_modes(connector, edid);
+ kfree(edid);
+ } else {
+ ret = drm_add_modes_noedid(connector, 1920, 1080);
+ drm_set_preferred_mode(connector, 1024, 768);
+ }
+
+ return ret;
+}
+
+static struct drm_encoder *ch7033_connector_best_encoder(
+ struct drm_connector *connector)
+{
+ struct ch7033_priv *priv = conn_to_ch7033_priv(connector);
+
+ return priv->bridge.encoder;
+}
+
+static const struct drm_connector_helper_funcs ch7033_connector_helper_funcs = {
+ .get_modes = ch7033_connector_get_modes,
+ .best_encoder = ch7033_connector_best_encoder,
+};
+
+static void ch7033_hpd_event(void *arg, enum drm_connector_status status)
+{
+ struct ch7033_priv *priv = arg;
+
+ if (priv->bridge.dev)
+ drm_helper_hpd_irq_event(priv->connector.dev);
+}
+
+static int ch7033_bridge_attach(struct drm_bridge *bridge,
+ enum drm_bridge_attach_flags flags)
+{
+ struct ch7033_priv *priv = bridge_to_ch7033_priv(bridge);
+ struct drm_connector *connector = &priv->connector;
+ int ret;
+
+ ret = drm_bridge_attach(bridge->encoder, priv->next_bridge, bridge,
+ DRM_BRIDGE_ATTACH_NO_CONNECTOR);
+ if (ret)
+ return ret;
+
+ if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
+ return 0;
+
+ if (priv->next_bridge->ops & DRM_BRIDGE_OP_DETECT) {
+ connector->polled = DRM_CONNECTOR_POLL_HPD;
+ } else {
+ connector->polled = DRM_CONNECTOR_POLL_CONNECT |
+ DRM_CONNECTOR_POLL_DISCONNECT;
+ }
+
+ if (priv->next_bridge->ops & DRM_BRIDGE_OP_HPD) {
+ drm_bridge_hpd_enable(priv->next_bridge, ch7033_hpd_event,
+ priv);
+ }
+
+ drm_connector_helper_add(connector,
+ &ch7033_connector_helper_funcs);
+ ret = drm_connector_init_with_ddc(bridge->dev, &priv->connector,
+ &ch7033_connector_funcs,
+ priv->next_bridge->type,
+ priv->next_bridge->ddc);
+ if (ret) {
+ DRM_ERROR("Failed to initialize connector\n");
+ return ret;
+ }
+
+ return drm_connector_attach_encoder(&priv->connector, bridge->encoder);
+}
+
+static void ch7033_bridge_detach(struct drm_bridge *bridge)
+{
+ struct ch7033_priv *priv = bridge_to_ch7033_priv(bridge);
+
+ if (priv->next_bridge->ops & DRM_BRIDGE_OP_HPD)
+ drm_bridge_hpd_disable(priv->next_bridge);
+ drm_connector_cleanup(&priv->connector);
+}
+
+static enum drm_mode_status ch7033_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode)
+{
+ if (mode->clock > 165000)
+ return MODE_CLOCK_HIGH;
+ if (mode->hdisplay >= 1920)
+ return MODE_BAD_HVALUE;
+ if (mode->vdisplay >= 1080)
+ return MODE_BAD_VVALUE;
+ return MODE_OK;
+}
+
+static void ch7033_bridge_disable(struct drm_bridge *bridge)
+{
+ struct ch7033_priv *priv = bridge_to_ch7033_priv(bridge);
+
+ regmap_write(priv->regmap, 0x03, 0x04);
+ regmap_update_bits(priv->regmap, 0x52, RESETDB, 0x00);
+}
+
+static void ch7033_bridge_enable(struct drm_bridge *bridge)
+{
+ struct ch7033_priv *priv = bridge_to_ch7033_priv(bridge);
+
+ regmap_write(priv->regmap, 0x03, 0x04);
+ regmap_update_bits(priv->regmap, 0x52, RESETDB, RESETDB);
+}
+
+static void ch7033_bridge_mode_set(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct ch7033_priv *priv = bridge_to_ch7033_priv(bridge);
+ int hbporch = mode->hsync_start - mode->hdisplay;
+ int hsynclen = mode->hsync_end - mode->hsync_start;
+ int vbporch = mode->vsync_start - mode->vdisplay;
+ int vsynclen = mode->vsync_end - mode->vsync_start;
+
+ /*
+ * Page 4
+ */
+ regmap_write(priv->regmap, 0x03, 0x04);
+
+ /* Turn everything off to set all the registers to their defaults. */
+ regmap_write(priv->regmap, 0x52, 0x00);
+ /* Bring I/O block up. */
+ regmap_write(priv->regmap, 0x52, RESETIB);
+
+ /*
+ * Page 0
+ */
+ regmap_write(priv->regmap, 0x03, 0x00);
+
+ /* Bring up parts we need from the power down. */
+ regmap_update_bits(priv->regmap, 0x07, DRI_PD | IO_PD, 0);
+ regmap_update_bits(priv->regmap, 0x08, DRI_PDDRI | PDDAC | PANEN, 0);
+ regmap_update_bits(priv->regmap, 0x09, DPD | GCKOFF |
+ HDMI_PD | VGA_PD, 0);
+ regmap_update_bits(priv->regmap, 0x0a, HD_DVIB, 0);
+
+ /* Horizontal input timing. */
+ regmap_write(priv->regmap, 0x0b, (mode->htotal >> 8) << 3 |
+ (mode->hdisplay >> 8));
+ regmap_write(priv->regmap, 0x0c, mode->hdisplay);
+ regmap_write(priv->regmap, 0x0d, mode->htotal);
+ regmap_write(priv->regmap, 0x0e, (hsynclen >> 8) << 3 |
+ (hbporch >> 8));
+ regmap_write(priv->regmap, 0x0f, hbporch);
+ regmap_write(priv->regmap, 0x10, hsynclen);
+
+ /* Vertical input timing. */
+ regmap_write(priv->regmap, 0x11, (mode->vtotal >> 8) << 3 |
+ (mode->vdisplay >> 8));
+ regmap_write(priv->regmap, 0x12, mode->vdisplay);
+ regmap_write(priv->regmap, 0x13, mode->vtotal);
+ regmap_write(priv->regmap, 0x14, ((vsynclen >> 8) << 3) |
+ (vbporch >> 8));
+ regmap_write(priv->regmap, 0x15, vbporch);
+ regmap_write(priv->regmap, 0x16, vsynclen);
+
+ /* Input color swap. */
+ regmap_update_bits(priv->regmap, 0x18, SWAP, BYTE_SWAP_BGR);
+
+ /* Input clock and sync polarity. */
+ regmap_update_bits(priv->regmap, 0x19, 0x1, mode->clock >> 16);
+ regmap_update_bits(priv->regmap, 0x19, HPO_I | VPO_I | GCLKFREQ,
+ (mode->flags & DRM_MODE_FLAG_PHSYNC) ? HPO_I : 0 |
+ (mode->flags & DRM_MODE_FLAG_PVSYNC) ? VPO_I : 0 |
+ mode->clock >> 16);
+ regmap_write(priv->regmap, 0x1a, mode->clock >> 8);
+ regmap_write(priv->regmap, 0x1b, mode->clock);
+
+ /* Horizontal output timing. */
+ regmap_write(priv->regmap, 0x1f, (mode->htotal >> 8) << 3 |
+ (mode->hdisplay >> 8));
+ regmap_write(priv->regmap, 0x20, mode->hdisplay);
+ regmap_write(priv->regmap, 0x21, mode->htotal);
+
+ /* Vertical output timing. */
+ regmap_write(priv->regmap, 0x25, (mode->vtotal >> 8) << 3 |
+ (mode->vdisplay >> 8));
+ regmap_write(priv->regmap, 0x26, mode->vdisplay);
+ regmap_write(priv->regmap, 0x27, mode->vtotal);
+
+ /* VGA channel bypass */
+ regmap_update_bits(priv->regmap, 0x2b, VFMT, 9);
+
+ /* Output sync polarity. */
+ regmap_update_bits(priv->regmap, 0x2e, HPO_O | VPO_O,
+ (mode->flags & DRM_MODE_FLAG_PHSYNC) ? HPO_O : 0 |
+ (mode->flags & DRM_MODE_FLAG_PVSYNC) ? VPO_O : 0);
+
+ /* HDMI horizontal output timing. */
+ regmap_update_bits(priv->regmap, 0x54, HWO_HDMI_HI | HOO_HDMI_HI,
+ (hsynclen >> 8) << 3 |
+ (hbporch >> 8));
+ regmap_write(priv->regmap, 0x55, hbporch);
+ regmap_write(priv->regmap, 0x56, hsynclen);
+
+ /* HDMI vertical output timing. */
+ regmap_update_bits(priv->regmap, 0x57, VWO_HDMI_HI | VOO_HDMI_HI,
+ (vsynclen >> 8) << 3 |
+ (vbporch >> 8));
+ regmap_write(priv->regmap, 0x58, vbporch);
+ regmap_write(priv->regmap, 0x59, vsynclen);
+
+ /* Pick HDMI, not LVDS. */
+ regmap_update_bits(priv->regmap, 0x7e, HDMI_LVDS_SEL, HDMI_LVDS_SEL);
+
+ /*
+ * Page 1
+ */
+ regmap_write(priv->regmap, 0x03, 0x01);
+
+ /* No idea what these do, but VGA is wobbly and blinky without them. */
+ regmap_update_bits(priv->regmap, 0x07, CKINV, CKINV);
+ regmap_update_bits(priv->regmap, 0x08, DISPON, DISPON);
+
+ /* DRI PLL */
+ regmap_update_bits(priv->regmap, 0x0c, DRI_PLL_DIVSEL, DRI_PLL_DIVSEL);
+ if (mode->clock <= 40000) {
+ regmap_update_bits(priv->regmap, 0x0c, DRI_PLL_N1_1 |
+ DRI_PLL_N1_0 |
+ DRI_PLL_N3_1 |
+ DRI_PLL_N3_0,
+ 0);
+ } else if (mode->clock < 80000) {
+ regmap_update_bits(priv->regmap, 0x0c, DRI_PLL_N1_1 |
+ DRI_PLL_N1_0 |
+ DRI_PLL_N3_1 |
+ DRI_PLL_N3_0,
+ DRI_PLL_N3_0 |
+ DRI_PLL_N1_0);
+ } else {
+ regmap_update_bits(priv->regmap, 0x0c, DRI_PLL_N1_1 |
+ DRI_PLL_N1_0 |
+ DRI_PLL_N3_1 |
+ DRI_PLL_N3_0,
+ DRI_PLL_N3_1 |
+ DRI_PLL_N1_1);
+ }
+
+ /* This seems to be color calibration for VGA. */
+ regmap_write(priv->regmap, 0x64, 0x29); /* LSB Blue */
+ regmap_write(priv->regmap, 0x65, 0x29); /* LSB Green */
+ regmap_write(priv->regmap, 0x66, 0x29); /* LSB Red */
+ regmap_write(priv->regmap, 0x67, 0x00); /* MSB Blue */
+ regmap_write(priv->regmap, 0x68, 0x00); /* MSB Green */
+ regmap_write(priv->regmap, 0x69, 0x00); /* MSB Red */
+
+ regmap_update_bits(priv->regmap, 0x6b, DRI_PD_SER, 0x00);
+ regmap_update_bits(priv->regmap, 0x6c, DRI_PLL_PD, 0x00);
+
+ /*
+ * Page 3
+ */
+ regmap_write(priv->regmap, 0x03, 0x03);
+
+ /* More bypasses and apparently another HDMI/LVDS selector. */
+ regmap_update_bits(priv->regmap, 0x28, VGACLK_BP | HM_LV_SEL,
+ VGACLK_BP | HM_LV_SEL);
+ regmap_update_bits(priv->regmap, 0x2a, HDMICLK_BP | HDMI_BP,
+ HDMICLK_BP | HDMI_BP);
+
+ /*
+ * Page 4
+ */
+ regmap_write(priv->regmap, 0x03, 0x04);
+
+ /* Output clock. */
+ regmap_write(priv->regmap, 0x10, mode->clock >> 16);
+ regmap_write(priv->regmap, 0x11, mode->clock >> 8);
+ regmap_write(priv->regmap, 0x12, mode->clock);
+}
+
+static const struct drm_bridge_funcs ch7033_bridge_funcs = {
+ .attach = ch7033_bridge_attach,
+ .detach = ch7033_bridge_detach,
+ .mode_valid = ch7033_bridge_mode_valid,
+ .disable = ch7033_bridge_disable,
+ .enable = ch7033_bridge_enable,
+ .mode_set = ch7033_bridge_mode_set,
+};
+
+static const struct regmap_config ch7033_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0x7f,
+};
+
+static int ch7033_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ struct ch7033_priv *priv;
+ unsigned int val;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev_set_drvdata(dev, priv);
+
+ ret = drm_of_find_panel_or_bridge(dev->of_node, 1, -1, NULL,
+ &priv->next_bridge);
+ if (ret)
+ return ret;
+
+ priv->regmap = devm_regmap_init_i2c(client, &ch7033_regmap_config);
+ if (IS_ERR(priv->regmap)) {
+ dev_err(&client->dev, "regmap init failed\n");
+ return PTR_ERR(priv->regmap);
+ }
+
+ ret = regmap_read(priv->regmap, 0x00, &val);
+ if (ret < 0) {
+ dev_err(&client->dev, "error reading the model id: %d\n", ret);
+ return ret;
+ }
+ if ((val & 0xf7) != 0x56) {
+ dev_err(&client->dev, "the device is not a ch7033\n");
+ return -ENODEV;
+ }
+
+ regmap_write(priv->regmap, 0x03, 0x04);
+ ret = regmap_read(priv->regmap, 0x51, &val);
+ if (ret < 0) {
+ dev_err(&client->dev, "error reading the model id: %d\n", ret);
+ return ret;
+ }
+ if ((val & 0x0f) != 3) {
+ dev_err(&client->dev, "unknown revision %u\n", val);
+ return -ENODEV;
+ }
+
+ INIT_LIST_HEAD(&priv->bridge.list);
+ priv->bridge.funcs = &ch7033_bridge_funcs;
+ priv->bridge.of_node = dev->of_node;
+ drm_bridge_add(&priv->bridge);
+
+ dev_info(dev, "Chrontel CH7033 Video Encoder\n");
+ return 0;
+}
+
+static int ch7033_remove(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct ch7033_priv *priv = dev_get_drvdata(dev);
+
+ drm_bridge_remove(&priv->bridge);
+
+ return 0;
+}
+
+static const struct of_device_id ch7033_dt_ids[] = {
+ { .compatible = "chrontel,ch7033", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ch7033_dt_ids);
+
+static const struct i2c_device_id ch7033_ids[] = {
+ { "ch7033", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, ch7033_ids);
+
+static struct i2c_driver ch7033_driver = {
+ .probe = ch7033_probe,
+ .remove = ch7033_remove,
+ .driver = {
+ .name = "ch7033",
+ .of_match_table = of_match_ptr(ch7033_dt_ids),
+ },
+ .id_table = ch7033_ids,
+};
+
+module_i2c_driver(ch7033_driver);
+
+MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
+MODULE_DESCRIPTION("Chrontel CH7033 Video Encoder Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c
new file mode 100644
index 000000000000..b14d725bf609
--- /dev/null
+++ b/drivers/gpu/drm/bridge/nwl-dsi.c
@@ -0,0 +1,1213 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * i.MX8 NWL MIPI DSI host driver
+ *
+ * Copyright (C) 2017 NXP
+ * Copyright (C) 2020 Purism SPC
+ */
+
+#include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/irq.h>
+#include <linux/math64.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/mux/consumer.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/phy/phy.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+#include <linux/sys_soc.h>
+#include <linux/time64.h>
+
+#include <drm/drm_bridge.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_of.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_print.h>
+
+#include <video/mipi_display.h>
+
+#include "nwl-dsi.h"
+
+#define DRV_NAME "nwl-dsi"
+
+/* i.MX8 NWL quirks */
+/* i.MX8MQ errata E11418 */
+#define E11418_HS_MODE_QUIRK BIT(0)
+
+#define NWL_DSI_MIPI_FIFO_TIMEOUT msecs_to_jiffies(500)
+
+enum transfer_direction {
+ DSI_PACKET_SEND,
+ DSI_PACKET_RECEIVE,
+};
+
+#define NWL_DSI_ENDPOINT_LCDIF 0
+#define NWL_DSI_ENDPOINT_DCSS 1
+
+struct nwl_dsi_plat_clk_config {
+ const char *id;
+ struct clk *clk;
+ bool present;
+};
+
+struct nwl_dsi_transfer {
+ const struct mipi_dsi_msg *msg;
+ struct mipi_dsi_packet packet;
+ struct completion completed;
+
+ int status; /* status of transmission */
+ enum transfer_direction direction;
+ bool need_bta;
+ u8 cmd;
+ u16 rx_word_count;
+ size_t tx_len; /* in bytes */
+ size_t rx_len; /* in bytes */
+};
+
+struct nwl_dsi {
+ struct drm_bridge bridge;
+ struct mipi_dsi_host dsi_host;
+ struct drm_bridge *panel_bridge;
+ struct device *dev;
+ struct phy *phy;
+ union phy_configure_opts phy_cfg;
+ unsigned int quirks;
+
+ struct regmap *regmap;
+ int irq;
+ /*
+ * The DSI host controller needs this reset sequence according to NWL:
+ * 1. Deassert pclk reset to get access to DSI regs
+ * 2. Configure DSI Host and DPHY and enable DPHY
+ * 3. Deassert ESC and BYTE resets to allow host TX operations)
+ * 4. Send DSI cmds to configure peripheral (handled by panel drv)
+ * 5. Deassert DPI reset so DPI receives pixels and starts sending
+ * DSI data
+ *
+ * TODO: Since panel_bridges do their DSI setup in enable we
+ * currently have 4. and 5. swapped.
+ */
+ struct reset_control *rst_byte;
+ struct reset_control *rst_esc;
+ struct reset_control *rst_dpi;
+ struct reset_control *rst_pclk;
+ struct mux_control *mux;
+
+ /* DSI clocks */
+ struct clk *phy_ref_clk;
+ struct clk *rx_esc_clk;
+ struct clk *tx_esc_clk;
+ struct clk *core_clk;
+ /*
+ * hardware bug: the i.MX8MQ needs this clock on during reset
+ * even when not using LCDIF.
+ */
+ struct clk *lcdif_clk;
+
+ /* dsi lanes */
+ u32 lanes;
+ enum mipi_dsi_pixel_format format;
+ struct drm_display_mode mode;
+ unsigned long dsi_mode_flags;
+ int error;
+
+ struct nwl_dsi_transfer *xfer;
+};
+
+static const struct regmap_config nwl_dsi_regmap_config = {
+ .reg_bits = 16,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = NWL_DSI_IRQ_MASK2,
+ .name = DRV_NAME,
+};
+
+static inline struct nwl_dsi *bridge_to_dsi(struct drm_bridge *bridge)
+{
+ return container_of(bridge, struct nwl_dsi, bridge);
+}
+
+static int nwl_dsi_clear_error(struct nwl_dsi *dsi)
+{
+ int ret = dsi->error;
+
+ dsi->error = 0;
+ return ret;
+}
+
+static void nwl_dsi_write(struct nwl_dsi *dsi, unsigned int reg, u32 val)
+{
+ int ret;
+
+ if (dsi->error)
+ return;
+
+ ret = regmap_write(dsi->regmap, reg, val);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev,
+ "Failed to write NWL DSI reg 0x%x: %d\n", reg,
+ ret);
+ dsi->error = ret;
+ }
+}
+
+static u32 nwl_dsi_read(struct nwl_dsi *dsi, u32 reg)
+{
+ unsigned int val;
+ int ret;
+
+ if (dsi->error)
+ return 0;
+
+ ret = regmap_read(dsi->regmap, reg, &val);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to read NWL DSI reg 0x%x: %d\n",
+ reg, ret);
+ dsi->error = ret;
+ }
+ return val;
+}
+
+static int nwl_dsi_get_dpi_pixel_format(enum mipi_dsi_pixel_format format)
+{
+ switch (format) {
+ case MIPI_DSI_FMT_RGB565:
+ return NWL_DSI_PIXEL_FORMAT_16;
+ case MIPI_DSI_FMT_RGB666:
+ return NWL_DSI_PIXEL_FORMAT_18L;
+ case MIPI_DSI_FMT_RGB666_PACKED:
+ return NWL_DSI_PIXEL_FORMAT_18;
+ case MIPI_DSI_FMT_RGB888:
+ return NWL_DSI_PIXEL_FORMAT_24;
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * ps2bc - Picoseconds to byte clock cycles
+ */
+static u32 ps2bc(struct nwl_dsi *dsi, unsigned long long ps)
+{
+ u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
+
+ return DIV64_U64_ROUND_UP(ps * dsi->mode.clock * bpp,
+ dsi->lanes * 8 * NSEC_PER_SEC);
+}
+
+/*
+ * ui2bc - UI time periods to byte clock cycles
+ */
+static u32 ui2bc(struct nwl_dsi *dsi, unsigned long long ui)
+{
+ u32 bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
+
+ return DIV64_U64_ROUND_UP(ui * dsi->lanes,
+ dsi->mode.clock * 1000 * bpp);
+}
+
+/*
+ * us2bc - micro seconds to lp clock cycles
+ */
+static u32 us2lp(u32 lp_clk_rate, unsigned long us)
+{
+ return DIV_ROUND_UP(us * lp_clk_rate, USEC_PER_SEC);
+}
+
+static int nwl_dsi_config_host(struct nwl_dsi *dsi)
+{
+ u32 cycles;
+ struct phy_configure_opts_mipi_dphy *cfg = &dsi->phy_cfg.mipi_dphy;
+
+ if (dsi->lanes < 1 || dsi->lanes > 4)
+ return -EINVAL;
+
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "DSI Lanes %d\n", dsi->lanes);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_NUM_LANES, dsi->lanes - 1);
+
+ if (dsi->dsi_mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) {
+ nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x01);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x01);
+ } else {
+ nwl_dsi_write(dsi, NWL_DSI_CFG_NONCONTINUOUS_CLK, 0x00);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_AUTOINSERT_EOTP, 0x00);
+ }
+
+ /* values in byte clock cycles */
+ cycles = ui2bc(dsi, cfg->clk_pre);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_t_pre: 0x%x\n", cycles);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_T_PRE, cycles);
+ cycles = ps2bc(dsi, cfg->lpx + cfg->clk_prepare + cfg->clk_zero);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_tx_gap (pre): 0x%x\n", cycles);
+ cycles += ui2bc(dsi, cfg->clk_pre);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_t_post: 0x%x\n", cycles);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_T_POST, cycles);
+ cycles = ps2bc(dsi, cfg->hs_exit);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_tx_gap: 0x%x\n", cycles);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_TX_GAP, cycles);
+
+ nwl_dsi_write(dsi, NWL_DSI_CFG_EXTRA_CMDS_AFTER_EOTP, 0x01);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_HTX_TO_COUNT, 0x00);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_LRX_H_TO_COUNT, 0x00);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_BTA_H_TO_COUNT, 0x00);
+ /* In LP clock cycles */
+ cycles = us2lp(cfg->lp_clk_rate, cfg->wakeup);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "cfg_twakeup: 0x%x\n", cycles);
+ nwl_dsi_write(dsi, NWL_DSI_CFG_TWAKEUP, cycles);
+
+ return nwl_dsi_clear_error(dsi);
+}
+
+static int nwl_dsi_config_dpi(struct nwl_dsi *dsi)
+{
+ u32 mode;
+ int color_format;
+ bool burst_mode;
+ int hfront_porch, hback_porch, vfront_porch, vback_porch;
+ int hsync_len, vsync_len;
+
+ hfront_porch = dsi->mode.hsync_start - dsi->mode.hdisplay;
+ hsync_len = dsi->mode.hsync_end - dsi->mode.hsync_start;
+ hback_porch = dsi->mode.htotal - dsi->mode.hsync_end;
+
+ vfront_porch = dsi->mode.vsync_start - dsi->mode.vdisplay;
+ vsync_len = dsi->mode.vsync_end - dsi->mode.vsync_start;
+ vback_porch = dsi->mode.vtotal - dsi->mode.vsync_end;
+
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "hfront_porch = %d\n", hfront_porch);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "hback_porch = %d\n", hback_porch);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "hsync_len = %d\n", hsync_len);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "hdisplay = %d\n", dsi->mode.hdisplay);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "vfront_porch = %d\n", vfront_porch);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "vback_porch = %d\n", vback_porch);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "vsync_len = %d\n", vsync_len);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "vactive = %d\n", dsi->mode.vdisplay);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "clock = %d kHz\n", dsi->mode.clock);
+
+ color_format = nwl_dsi_get_dpi_pixel_format(dsi->format);
+ if (color_format < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Invalid color format 0x%x\n",
+ dsi->format);
+ return color_format;
+ }
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "pixel fmt = %d\n", dsi->format);
+
+ nwl_dsi_write(dsi, NWL_DSI_INTERFACE_COLOR_CODING, NWL_DSI_DPI_24_BIT);
+ nwl_dsi_write(dsi, NWL_DSI_PIXEL_FORMAT, color_format);
+ /*
+ * Adjusting input polarity based on the video mode results in
+ * a black screen so always pick active low:
+ */
+ nwl_dsi_write(dsi, NWL_DSI_VSYNC_POLARITY,
+ NWL_DSI_VSYNC_POLARITY_ACTIVE_LOW);
+ nwl_dsi_write(dsi, NWL_DSI_HSYNC_POLARITY,
+ NWL_DSI_HSYNC_POLARITY_ACTIVE_LOW);
+
+ burst_mode = (dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_BURST) &&
+ !(dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE);
+
+ if (burst_mode) {
+ nwl_dsi_write(dsi, NWL_DSI_VIDEO_MODE, NWL_DSI_VM_BURST_MODE);
+ nwl_dsi_write(dsi, NWL_DSI_PIXEL_FIFO_SEND_LEVEL, 256);
+ } else {
+ mode = ((dsi->dsi_mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) ?
+ NWL_DSI_VM_BURST_MODE_WITH_SYNC_PULSES :
+ NWL_DSI_VM_NON_BURST_MODE_WITH_SYNC_EVENTS);
+ nwl_dsi_write(dsi, NWL_DSI_VIDEO_MODE, mode);
+ nwl_dsi_write(dsi, NWL_DSI_PIXEL_FIFO_SEND_LEVEL,
+ dsi->mode.hdisplay);
+ }
+
+ nwl_dsi_write(dsi, NWL_DSI_HFP, hfront_porch);
+ nwl_dsi_write(dsi, NWL_DSI_HBP, hback_porch);
+ nwl_dsi_write(dsi, NWL_DSI_HSA, hsync_len);
+
+ nwl_dsi_write(dsi, NWL_DSI_ENABLE_MULT_PKTS, 0x0);
+ nwl_dsi_write(dsi, NWL_DSI_BLLP_MODE, 0x1);
+ nwl_dsi_write(dsi, NWL_DSI_USE_NULL_PKT_BLLP, 0x0);
+ nwl_dsi_write(dsi, NWL_DSI_VC, 0x0);
+
+ nwl_dsi_write(dsi, NWL_DSI_PIXEL_PAYLOAD_SIZE, dsi->mode.hdisplay);
+ nwl_dsi_write(dsi, NWL_DSI_VACTIVE, dsi->mode.vdisplay - 1);
+ nwl_dsi_write(dsi, NWL_DSI_VBP, vback_porch);
+ nwl_dsi_write(dsi, NWL_DSI_VFP, vfront_porch);
+
+ return nwl_dsi_clear_error(dsi);
+}
+
+static int nwl_dsi_init_interrupts(struct nwl_dsi *dsi)
+{
+ u32 irq_enable;
+
+ nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, 0xffffffff);
+ nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK2, 0x7);
+
+ irq_enable = ~(u32)(NWL_DSI_TX_PKT_DONE_MASK |
+ NWL_DSI_RX_PKT_HDR_RCVD_MASK |
+ NWL_DSI_TX_FIFO_OVFLW_MASK |
+ NWL_DSI_HS_TX_TIMEOUT_MASK);
+
+ nwl_dsi_write(dsi, NWL_DSI_IRQ_MASK, irq_enable);
+
+ return nwl_dsi_clear_error(dsi);
+}
+
+static int nwl_dsi_host_attach(struct mipi_dsi_host *dsi_host,
+ struct mipi_dsi_device *device)
+{
+ struct nwl_dsi *dsi = container_of(dsi_host, struct nwl_dsi, dsi_host);
+ struct device *dev = dsi->dev;
+
+ DRM_DEV_INFO(dev, "lanes=%u, format=0x%x flags=0x%lx\n", device->lanes,
+ device->format, device->mode_flags);
+
+ if (device->lanes < 1 || device->lanes > 4)
+ return -EINVAL;
+
+ dsi->lanes = device->lanes;
+ dsi->format = device->format;
+ dsi->dsi_mode_flags = device->mode_flags;
+
+ return 0;
+}
+
+static bool nwl_dsi_read_packet(struct nwl_dsi *dsi, u32 status)
+{
+ struct device *dev = dsi->dev;
+ struct nwl_dsi_transfer *xfer = dsi->xfer;
+ int err;
+ u8 *payload = xfer->msg->rx_buf;
+ u32 val;
+ u16 word_count;
+ u8 channel;
+ u8 data_type;
+
+ xfer->status = 0;
+
+ if (xfer->rx_word_count == 0) {
+ if (!(status & NWL_DSI_RX_PKT_HDR_RCVD))
+ return false;
+ /* Get the RX header and parse it */
+ val = nwl_dsi_read(dsi, NWL_DSI_RX_PKT_HEADER);
+ err = nwl_dsi_clear_error(dsi);
+ if (err)
+ xfer->status = err;
+ word_count = NWL_DSI_WC(val);
+ channel = NWL_DSI_RX_VC(val);
+ data_type = NWL_DSI_RX_DT(val);
+
+ if (channel != xfer->msg->channel) {
+ DRM_DEV_ERROR(dev,
+ "[%02X] Channel mismatch (%u != %u)\n",
+ xfer->cmd, channel, xfer->msg->channel);
+ xfer->status = -EINVAL;
+ return true;
+ }
+
+ switch (data_type) {
+ case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_2BYTE:
+ fallthrough;
+ case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_2BYTE:
+ if (xfer->msg->rx_len > 1) {
+ /* read second byte */
+ payload[1] = word_count >> 8;
+ ++xfer->rx_len;
+ }
+ fallthrough;
+ case MIPI_DSI_RX_GENERIC_SHORT_READ_RESPONSE_1BYTE:
+ fallthrough;
+ case MIPI_DSI_RX_DCS_SHORT_READ_RESPONSE_1BYTE:
+ if (xfer->msg->rx_len > 0) {
+ /* read first byte */
+ payload[0] = word_count & 0xff;
+ ++xfer->rx_len;
+ }
+ xfer->status = xfer->rx_len;
+ return true;
+ case MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT:
+ word_count &= 0xff;
+ DRM_DEV_ERROR(dev, "[%02X] DSI error report: 0x%02x\n",
+ xfer->cmd, word_count);
+ xfer->status = -EPROTO;
+ return true;
+ }
+
+ if (word_count > xfer->msg->rx_len) {
+ DRM_DEV_ERROR(dev,
+ "[%02X] Receive buffer too small: %zu (< %u)\n",
+ xfer->cmd, xfer->msg->rx_len, word_count);
+ xfer->status = -EINVAL;
+ return true;
+ }
+
+ xfer->rx_word_count = word_count;
+ } else {
+ /* Set word_count from previous header read */
+ word_count = xfer->rx_word_count;
+ }
+
+ /* If RX payload is not yet received, wait for it */
+ if (!(status & NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD))
+ return false;
+
+ /* Read the RX payload */
+ while (word_count >= 4) {
+ val = nwl_dsi_read(dsi, NWL_DSI_RX_PAYLOAD);
+ payload[0] = (val >> 0) & 0xff;
+ payload[1] = (val >> 8) & 0xff;
+ payload[2] = (val >> 16) & 0xff;
+ payload[3] = (val >> 24) & 0xff;
+ payload += 4;
+ xfer->rx_len += 4;
+ word_count -= 4;
+ }
+
+ if (word_count > 0) {
+ val = nwl_dsi_read(dsi, NWL_DSI_RX_PAYLOAD);
+ switch (word_count) {
+ case 3:
+ payload[2] = (val >> 16) & 0xff;
+ ++xfer->rx_len;
+ fallthrough;
+ case 2:
+ payload[1] = (val >> 8) & 0xff;
+ ++xfer->rx_len;
+ fallthrough;
+ case 1:
+ payload[0] = (val >> 0) & 0xff;
+ ++xfer->rx_len;
+ break;
+ }
+ }
+
+ xfer->status = xfer->rx_len;
+ err = nwl_dsi_clear_error(dsi);
+ if (err)
+ xfer->status = err;
+
+ return true;
+}
+
+static void nwl_dsi_finish_transmission(struct nwl_dsi *dsi, u32 status)
+{
+ struct nwl_dsi_transfer *xfer = dsi->xfer;
+ bool end_packet = false;
+
+ if (!xfer)
+ return;
+
+ if (xfer->direction == DSI_PACKET_SEND &&
+ status & NWL_DSI_TX_PKT_DONE) {
+ xfer->status = xfer->tx_len;
+ end_packet = true;
+ } else if (status & NWL_DSI_DPHY_DIRECTION &&
+ ((status & (NWL_DSI_RX_PKT_HDR_RCVD |
+ NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD)))) {
+ end_packet = nwl_dsi_read_packet(dsi, status);
+ }
+
+ if (end_packet)
+ complete(&xfer->completed);
+}
+
+static void nwl_dsi_begin_transmission(struct nwl_dsi *dsi)
+{
+ struct nwl_dsi_transfer *xfer = dsi->xfer;
+ struct mipi_dsi_packet *pkt = &xfer->packet;
+ const u8 *payload;
+ size_t length;
+ u16 word_count;
+ u8 hs_mode;
+ u32 val;
+ u32 hs_workaround = 0;
+
+ /* Send the payload, if any */
+ length = pkt->payload_length;
+ payload = pkt->payload;
+
+ while (length >= 4) {
+ val = *(u32 *)payload;
+ hs_workaround |= !(val & 0xFFFF00);
+ nwl_dsi_write(dsi, NWL_DSI_TX_PAYLOAD, val);
+ payload += 4;
+ length -= 4;
+ }
+ /* Send the rest of the payload */
+ val = 0;
+ switch (length) {
+ case 3:
+ val |= payload[2] << 16;
+ fallthrough;
+ case 2:
+ val |= payload[1] << 8;
+ hs_workaround |= !(val & 0xFFFF00);
+ fallthrough;
+ case 1:
+ val |= payload[0];
+ nwl_dsi_write(dsi, NWL_DSI_TX_PAYLOAD, val);
+ break;
+ }
+ xfer->tx_len = pkt->payload_length;
+
+ /*
+ * Send the header
+ * header[0] = Virtual Channel + Data Type
+ * header[1] = Word Count LSB (LP) or first param (SP)
+ * header[2] = Word Count MSB (LP) or second param (SP)
+ */
+ word_count = pkt->header[1] | (pkt->header[2] << 8);
+ if (hs_workaround && (dsi->quirks & E11418_HS_MODE_QUIRK)) {
+ DRM_DEV_DEBUG_DRIVER(dsi->dev,
+ "Using hs mode workaround for cmd 0x%x\n",
+ xfer->cmd);
+ hs_mode = 1;
+ } else {
+ hs_mode = (xfer->msg->flags & MIPI_DSI_MSG_USE_LPM) ? 0 : 1;
+ }
+ val = NWL_DSI_WC(word_count) | NWL_DSI_TX_VC(xfer->msg->channel) |
+ NWL_DSI_TX_DT(xfer->msg->type) | NWL_DSI_HS_SEL(hs_mode) |
+ NWL_DSI_BTA_TX(xfer->need_bta);
+ nwl_dsi_write(dsi, NWL_DSI_PKT_CONTROL, val);
+
+ /* Send packet command */
+ nwl_dsi_write(dsi, NWL_DSI_SEND_PACKET, 0x1);
+}
+
+static ssize_t nwl_dsi_host_transfer(struct mipi_dsi_host *dsi_host,
+ const struct mipi_dsi_msg *msg)
+{
+ struct nwl_dsi *dsi = container_of(dsi_host, struct nwl_dsi, dsi_host);
+ struct nwl_dsi_transfer xfer;
+ ssize_t ret = 0;
+
+ /* Create packet to be sent */
+ dsi->xfer = &xfer;
+ ret = mipi_dsi_create_packet(&xfer.packet, msg);
+ if (ret < 0) {
+ dsi->xfer = NULL;
+ return ret;
+ }
+
+ if ((msg->type & MIPI_DSI_GENERIC_READ_REQUEST_0_PARAM ||
+ msg->type & MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM ||
+ msg->type & MIPI_DSI_GENERIC_READ_REQUEST_2_PARAM ||
+ msg->type & MIPI_DSI_DCS_READ) &&
+ msg->rx_len > 0 && msg->rx_buf)
+ xfer.direction = DSI_PACKET_RECEIVE;
+ else
+ xfer.direction = DSI_PACKET_SEND;
+
+ xfer.need_bta = (xfer.direction == DSI_PACKET_RECEIVE);
+ xfer.need_bta |= (msg->flags & MIPI_DSI_MSG_REQ_ACK) ? 1 : 0;
+ xfer.msg = msg;
+ xfer.status = -ETIMEDOUT;
+ xfer.rx_word_count = 0;
+ xfer.rx_len = 0;
+ xfer.cmd = 0x00;
+ if (msg->tx_len > 0)
+ xfer.cmd = ((u8 *)(msg->tx_buf))[0];
+ init_completion(&xfer.completed);
+
+ ret = clk_prepare_enable(dsi->rx_esc_clk);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable rx_esc clk: %zd\n",
+ ret);
+ return ret;
+ }
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "Enabled rx_esc clk @%lu Hz\n",
+ clk_get_rate(dsi->rx_esc_clk));
+
+ /* Initiate the DSI packet transmision */
+ nwl_dsi_begin_transmission(dsi);
+
+ if (!wait_for_completion_timeout(&xfer.completed,
+ NWL_DSI_MIPI_FIFO_TIMEOUT)) {
+ DRM_DEV_ERROR(dsi_host->dev, "[%02X] DSI transfer timed out\n",
+ xfer.cmd);
+ ret = -ETIMEDOUT;
+ } else {
+ ret = xfer.status;
+ }
+
+ clk_disable_unprepare(dsi->rx_esc_clk);
+
+ return ret;
+}
+
+static const struct mipi_dsi_host_ops nwl_dsi_host_ops = {
+ .attach = nwl_dsi_host_attach,
+ .transfer = nwl_dsi_host_transfer,
+};
+
+static irqreturn_t nwl_dsi_irq_handler(int irq, void *data)
+{
+ u32 irq_status;
+ struct nwl_dsi *dsi = data;
+
+ irq_status = nwl_dsi_read(dsi, NWL_DSI_IRQ_STATUS);
+
+ if (irq_status & NWL_DSI_TX_FIFO_OVFLW)
+ DRM_DEV_ERROR_RATELIMITED(dsi->dev, "tx fifo overflow\n");
+
+ if (irq_status & NWL_DSI_HS_TX_TIMEOUT)
+ DRM_DEV_ERROR_RATELIMITED(dsi->dev, "HS tx timeout\n");
+
+ if (irq_status & NWL_DSI_TX_PKT_DONE ||
+ irq_status & NWL_DSI_RX_PKT_HDR_RCVD ||
+ irq_status & NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD)
+ nwl_dsi_finish_transmission(dsi, irq_status);
+
+ return IRQ_HANDLED;
+}
+
+static int nwl_dsi_enable(struct nwl_dsi *dsi)
+{
+ struct device *dev = dsi->dev;
+ union phy_configure_opts *phy_cfg = &dsi->phy_cfg;
+ int ret;
+
+ if (!dsi->lanes) {
+ DRM_DEV_ERROR(dev, "Need DSI lanes: %d\n", dsi->lanes);
+ return -EINVAL;
+ }
+
+ ret = phy_init(dsi->phy);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to init DSI phy: %d\n", ret);
+ return ret;
+ }
+
+ ret = phy_configure(dsi->phy, phy_cfg);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to configure DSI phy: %d\n", ret);
+ goto uninit_phy;
+ }
+
+ ret = clk_prepare_enable(dsi->tx_esc_clk);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to enable tx_esc clk: %d\n",
+ ret);
+ goto uninit_phy;
+ }
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "Enabled tx_esc clk @%lu Hz\n",
+ clk_get_rate(dsi->tx_esc_clk));
+
+ ret = nwl_dsi_config_host(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to set up DSI: %d", ret);
+ goto disable_clock;
+ }
+
+ ret = nwl_dsi_config_dpi(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to set up DPI: %d", ret);
+ goto disable_clock;
+ }
+
+ ret = phy_power_on(dsi->phy);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to power on DPHY (%d)\n", ret);
+ goto disable_clock;
+ }
+
+ ret = nwl_dsi_init_interrupts(dsi);
+ if (ret < 0)
+ goto power_off_phy;
+
+ return ret;
+
+power_off_phy:
+ phy_power_off(dsi->phy);
+disable_clock:
+ clk_disable_unprepare(dsi->tx_esc_clk);
+uninit_phy:
+ phy_exit(dsi->phy);
+
+ return ret;
+}
+
+static int nwl_dsi_disable(struct nwl_dsi *dsi)
+{
+ struct device *dev = dsi->dev;
+
+ DRM_DEV_DEBUG_DRIVER(dev, "Disabling clocks and phy\n");
+
+ phy_power_off(dsi->phy);
+ phy_exit(dsi->phy);
+
+ /* Disabling the clock before the phy breaks enabling dsi again */
+ clk_disable_unprepare(dsi->tx_esc_clk);
+
+ return 0;
+}
+
+static void nwl_dsi_bridge_disable(struct drm_bridge *bridge)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ int ret;
+
+ nwl_dsi_disable(dsi);
+
+ ret = reset_control_assert(dsi->rst_dpi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to assert DPI: %d\n", ret);
+ return;
+ }
+ ret = reset_control_assert(dsi->rst_byte);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to assert ESC: %d\n", ret);
+ return;
+ }
+ ret = reset_control_assert(dsi->rst_esc);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to assert BYTE: %d\n", ret);
+ return;
+ }
+ ret = reset_control_assert(dsi->rst_pclk);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to assert PCLK: %d\n", ret);
+ return;
+ }
+
+ clk_disable_unprepare(dsi->core_clk);
+ clk_disable_unprepare(dsi->lcdif_clk);
+
+ pm_runtime_put(dsi->dev);
+}
+
+static int nwl_dsi_get_dphy_params(struct nwl_dsi *dsi,
+ const struct drm_display_mode *mode,
+ union phy_configure_opts *phy_opts)
+{
+ unsigned long rate;
+ int ret;
+
+ if (dsi->lanes < 1 || dsi->lanes > 4)
+ return -EINVAL;
+
+ /*
+ * So far the DPHY spec minimal timings work for both mixel
+ * dphy and nwl dsi host
+ */
+ ret = phy_mipi_dphy_get_default_config(mode->clock * 1000,
+ mipi_dsi_pixel_format_to_bpp(dsi->format), dsi->lanes,
+ &phy_opts->mipi_dphy);
+ if (ret < 0)
+ return ret;
+
+ rate = clk_get_rate(dsi->tx_esc_clk);
+ DRM_DEV_DEBUG_DRIVER(dsi->dev, "LP clk is @%lu Hz\n", rate);
+ phy_opts->mipi_dphy.lp_clk_rate = rate;
+
+ return 0;
+}
+
+static bool nwl_dsi_bridge_mode_fixup(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ /* At least LCDIF + NWL needs active high sync */
+ adjusted_mode->flags |= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
+ adjusted_mode->flags &= ~(DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC);
+
+ return true;
+}
+
+static enum drm_mode_status
+nwl_dsi_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ int bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
+
+ if (mode->clock * bpp > 15000000 * dsi->lanes)
+ return MODE_CLOCK_HIGH;
+
+ if (mode->clock * bpp < 80000 * dsi->lanes)
+ return MODE_CLOCK_LOW;
+
+ return MODE_OK;
+}
+
+static void
+nwl_dsi_bridge_mode_set(struct drm_bridge *bridge,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *adjusted_mode)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ struct device *dev = dsi->dev;
+ union phy_configure_opts new_cfg;
+ unsigned long phy_ref_rate;
+ int ret;
+
+ ret = nwl_dsi_get_dphy_params(dsi, adjusted_mode, &new_cfg);
+ if (ret < 0)
+ return;
+
+ /*
+ * If hs clock is unchanged, we're all good - all parameters are
+ * derived from it atm.
+ */
+ if (new_cfg.mipi_dphy.hs_clk_rate == dsi->phy_cfg.mipi_dphy.hs_clk_rate)
+ return;
+
+ phy_ref_rate = clk_get_rate(dsi->phy_ref_clk);
+ DRM_DEV_DEBUG_DRIVER(dev, "PHY at ref rate: %lu\n", phy_ref_rate);
+ /* Save the new desired phy config */
+ memcpy(&dsi->phy_cfg, &new_cfg, sizeof(new_cfg));
+
+ memcpy(&dsi->mode, adjusted_mode, sizeof(dsi->mode));
+ drm_mode_debug_printmodeline(adjusted_mode);
+}
+
+static void nwl_dsi_bridge_pre_enable(struct drm_bridge *bridge)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ int ret;
+
+ pm_runtime_get_sync(dsi->dev);
+
+ if (clk_prepare_enable(dsi->lcdif_clk) < 0)
+ return;
+ if (clk_prepare_enable(dsi->core_clk) < 0)
+ return;
+
+ /* Step 1 from DSI reset-out instructions */
+ ret = reset_control_deassert(dsi->rst_pclk);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to deassert PCLK: %d\n", ret);
+ return;
+ }
+
+ /* Step 2 from DSI reset-out instructions */
+ nwl_dsi_enable(dsi);
+
+ /* Step 3 from DSI reset-out instructions */
+ ret = reset_control_deassert(dsi->rst_esc);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to deassert ESC: %d\n", ret);
+ return;
+ }
+ ret = reset_control_deassert(dsi->rst_byte);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to deassert BYTE: %d\n", ret);
+ return;
+ }
+}
+
+static void nwl_dsi_bridge_enable(struct drm_bridge *bridge)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ int ret;
+
+ /* Step 5 from DSI reset-out instructions */
+ ret = reset_control_deassert(dsi->rst_dpi);
+ if (ret < 0)
+ DRM_DEV_ERROR(dsi->dev, "Failed to deassert DPI: %d\n", ret);
+}
+
+static int nwl_dsi_bridge_attach(struct drm_bridge *bridge,
+ enum drm_bridge_attach_flags flags)
+{
+ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+ struct drm_bridge *panel_bridge;
+ struct drm_panel *panel;
+ int ret;
+
+ if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
+ DRM_ERROR("Fix bridge driver to make connector optional!");
+ return -EINVAL;
+ }
+
+ ret = drm_of_find_panel_or_bridge(dsi->dev->of_node, 1, 0, &panel,
+ &panel_bridge);
+ if (ret)
+ return ret;
+
+ if (panel) {
+ panel_bridge = drm_panel_bridge_add(panel);
+ if (IS_ERR(panel_bridge))
+ return PTR_ERR(panel_bridge);
+ }
+ dsi->panel_bridge = panel_bridge;
+
+ if (!dsi->panel_bridge)
+ return -EPROBE_DEFER;
+
+ return drm_bridge_attach(bridge->encoder, dsi->panel_bridge, bridge,
+ flags);
+}
+
+static void nwl_dsi_bridge_detach(struct drm_bridge *bridge)
+{ struct nwl_dsi *dsi = bridge_to_dsi(bridge);
+
+ drm_of_panel_bridge_remove(dsi->dev->of_node, 1, 0);
+}
+
+static const struct drm_bridge_funcs nwl_dsi_bridge_funcs = {
+ .pre_enable = nwl_dsi_bridge_pre_enable,
+ .enable = nwl_dsi_bridge_enable,
+ .disable = nwl_dsi_bridge_disable,
+ .mode_fixup = nwl_dsi_bridge_mode_fixup,
+ .mode_set = nwl_dsi_bridge_mode_set,
+ .mode_valid = nwl_dsi_bridge_mode_valid,
+ .attach = nwl_dsi_bridge_attach,
+ .detach = nwl_dsi_bridge_detach,
+};
+
+static int nwl_dsi_parse_dt(struct nwl_dsi *dsi)
+{
+ struct platform_device *pdev = to_platform_device(dsi->dev);
+ struct clk *clk;
+ void __iomem *base;
+ int ret;
+
+ dsi->phy = devm_phy_get(dsi->dev, "dphy");
+ if (IS_ERR(dsi->phy)) {
+ ret = PTR_ERR(dsi->phy);
+ if (ret != -EPROBE_DEFER)
+ DRM_DEV_ERROR(dsi->dev, "Could not get PHY: %d\n", ret);
+ return ret;
+ }
+
+ clk = devm_clk_get(dsi->dev, "lcdif");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ DRM_DEV_ERROR(dsi->dev, "Failed to get lcdif clock: %d\n",
+ ret);
+ return ret;
+ }
+ dsi->lcdif_clk = clk;
+
+ clk = devm_clk_get(dsi->dev, "core");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ DRM_DEV_ERROR(dsi->dev, "Failed to get core clock: %d\n",
+ ret);
+ return ret;
+ }
+ dsi->core_clk = clk;
+
+ clk = devm_clk_get(dsi->dev, "phy_ref");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ DRM_DEV_ERROR(dsi->dev, "Failed to get phy_ref clock: %d\n",
+ ret);
+ return ret;
+ }
+ dsi->phy_ref_clk = clk;
+
+ clk = devm_clk_get(dsi->dev, "rx_esc");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ DRM_DEV_ERROR(dsi->dev, "Failed to get rx_esc clock: %d\n",
+ ret);
+ return ret;
+ }
+ dsi->rx_esc_clk = clk;
+
+ clk = devm_clk_get(dsi->dev, "tx_esc");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ DRM_DEV_ERROR(dsi->dev, "Failed to get tx_esc clock: %d\n",
+ ret);
+ return ret;
+ }
+ dsi->tx_esc_clk = clk;
+
+ dsi->mux = devm_mux_control_get(dsi->dev, NULL);
+ if (IS_ERR(dsi->mux)) {
+ ret = PTR_ERR(dsi->mux);
+ if (ret != -EPROBE_DEFER)
+ DRM_DEV_ERROR(dsi->dev, "Failed to get mux: %d\n", ret);
+ return ret;
+ }
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ dsi->regmap =
+ devm_regmap_init_mmio(dsi->dev, base, &nwl_dsi_regmap_config);
+ if (IS_ERR(dsi->regmap)) {
+ ret = PTR_ERR(dsi->regmap);
+ DRM_DEV_ERROR(dsi->dev, "Failed to create NWL DSI regmap: %d\n",
+ ret);
+ return ret;
+ }
+
+ dsi->irq = platform_get_irq(pdev, 0);
+ if (dsi->irq < 0) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to get device IRQ: %d\n",
+ dsi->irq);
+ return dsi->irq;
+ }
+
+ dsi->rst_pclk = devm_reset_control_get_exclusive(dsi->dev, "pclk");
+ if (IS_ERR(dsi->rst_pclk)) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to get pclk reset: %ld\n",
+ PTR_ERR(dsi->rst_pclk));
+ return PTR_ERR(dsi->rst_pclk);
+ }
+ dsi->rst_byte = devm_reset_control_get_exclusive(dsi->dev, "byte");
+ if (IS_ERR(dsi->rst_byte)) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to get byte reset: %ld\n",
+ PTR_ERR(dsi->rst_byte));
+ return PTR_ERR(dsi->rst_byte);
+ }
+ dsi->rst_esc = devm_reset_control_get_exclusive(dsi->dev, "esc");
+ if (IS_ERR(dsi->rst_esc)) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to get esc reset: %ld\n",
+ PTR_ERR(dsi->rst_esc));
+ return PTR_ERR(dsi->rst_esc);
+ }
+ dsi->rst_dpi = devm_reset_control_get_exclusive(dsi->dev, "dpi");
+ if (IS_ERR(dsi->rst_dpi)) {
+ DRM_DEV_ERROR(dsi->dev, "Failed to get dpi reset: %ld\n",
+ PTR_ERR(dsi->rst_dpi));
+ return PTR_ERR(dsi->rst_dpi);
+ }
+ return 0;
+}
+
+static int nwl_dsi_select_input(struct nwl_dsi *dsi)
+{
+ struct device_node *remote;
+ u32 use_dcss = 1;
+ int ret;
+
+ remote = of_graph_get_remote_node(dsi->dev->of_node, 0,
+ NWL_DSI_ENDPOINT_LCDIF);
+ if (remote) {
+ use_dcss = 0;
+ } else {
+ remote = of_graph_get_remote_node(dsi->dev->of_node, 0,
+ NWL_DSI_ENDPOINT_DCSS);
+ if (!remote) {
+ DRM_DEV_ERROR(dsi->dev,
+ "No valid input endpoint found\n");
+ return -EINVAL;
+ }
+ }
+
+ DRM_DEV_INFO(dsi->dev, "Using %s as input source\n",
+ (use_dcss) ? "DCSS" : "LCDIF");
+ ret = mux_control_try_select(dsi->mux, use_dcss);
+ if (ret < 0)
+ DRM_DEV_ERROR(dsi->dev, "Failed to select input: %d\n", ret);
+
+ of_node_put(remote);
+ return ret;
+}
+
+static int nwl_dsi_deselect_input(struct nwl_dsi *dsi)
+{
+ int ret;
+
+ ret = mux_control_deselect(dsi->mux);
+ if (ret < 0)
+ DRM_DEV_ERROR(dsi->dev, "Failed to deselect input: %d\n", ret);
+
+ return ret;
+}
+
+static const struct drm_bridge_timings nwl_dsi_timings = {
+ .input_bus_flags = DRM_BUS_FLAG_DE_LOW,
+};
+
+static const struct of_device_id nwl_dsi_dt_ids[] = {
+ { .compatible = "fsl,imx8mq-nwl-dsi", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, nwl_dsi_dt_ids);
+
+static const struct soc_device_attribute nwl_dsi_quirks_match[] = {
+ { .soc_id = "i.MX8MQ", .revision = "2.0",
+ .data = (void *)E11418_HS_MODE_QUIRK },
+ { /* sentinel. */ },
+};
+
+static int nwl_dsi_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ const struct soc_device_attribute *attr;
+ struct nwl_dsi *dsi;
+ int ret;
+
+ dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
+ if (!dsi)
+ return -ENOMEM;
+
+ dsi->dev = dev;
+
+ ret = nwl_dsi_parse_dt(dsi);
+ if (ret)
+ return ret;
+
+ ret = devm_request_irq(dev, dsi->irq, nwl_dsi_irq_handler, 0,
+ dev_name(dev), dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "Failed to request IRQ %d: %d\n", dsi->irq,
+ ret);
+ return ret;
+ }
+
+ dsi->dsi_host.ops = &nwl_dsi_host_ops;
+ dsi->dsi_host.dev = dev;
+ ret = mipi_dsi_host_register(&dsi->dsi_host);
+ if (ret) {
+ DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret);
+ return ret;
+ }
+
+ attr = soc_device_match(nwl_dsi_quirks_match);
+ if (attr)
+ dsi->quirks = (uintptr_t)attr->data;
+
+ dsi->bridge.driver_private = dsi;
+ dsi->bridge.funcs = &nwl_dsi_bridge_funcs;
+ dsi->bridge.of_node = dev->of_node;
+ dsi->bridge.timings = &nwl_dsi_timings;
+
+ dev_set_drvdata(dev, dsi);
+ pm_runtime_enable(dev);
+
+ ret = nwl_dsi_select_input(dsi);
+ if (ret < 0) {
+ mipi_dsi_host_unregister(&dsi->dsi_host);
+ return ret;
+ }
+
+ drm_bridge_add(&dsi->bridge);
+ return 0;
+}
+
+static int nwl_dsi_remove(struct platform_device *pdev)
+{
+ struct nwl_dsi *dsi = platform_get_drvdata(pdev);
+
+ nwl_dsi_deselect_input(dsi);
+ mipi_dsi_host_unregister(&dsi->dsi_host);
+ drm_bridge_remove(&dsi->bridge);
+ pm_runtime_disable(&pdev->dev);
+ return 0;
+}
+
+static struct platform_driver nwl_dsi_driver = {
+ .probe = nwl_dsi_probe,
+ .remove = nwl_dsi_remove,
+ .driver = {
+ .of_match_table = nwl_dsi_dt_ids,
+ .name = DRV_NAME,
+ },
+};
+
+module_platform_driver(nwl_dsi_driver);
+
+MODULE_AUTHOR("NXP Semiconductor");
+MODULE_AUTHOR("Purism SPC");
+MODULE_DESCRIPTION("Northwest Logic MIPI-DSI driver");
+MODULE_LICENSE("GPL"); /* GPLv2 or later */
diff --git a/drivers/gpu/drm/bridge/nwl-dsi.h b/drivers/gpu/drm/bridge/nwl-dsi.h
new file mode 100644
index 000000000000..a247a8a11c7c
--- /dev/null
+++ b/drivers/gpu/drm/bridge/nwl-dsi.h
@@ -0,0 +1,144 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * NWL MIPI DSI host driver
+ *
+ * Copyright (C) 2017 NXP
+ * Copyright (C) 2019 Purism SPC
+ */
+#ifndef __NWL_DSI_H__
+#define __NWL_DSI_H__
+
+/* DSI HOST registers */
+#define NWL_DSI_CFG_NUM_LANES 0x0
+#define NWL_DSI_CFG_NONCONTINUOUS_CLK 0x4
+#define NWL_DSI_CFG_T_PRE 0x8
+#define NWL_DSI_CFG_T_POST 0xc
+#define NWL_DSI_CFG_TX_GAP 0x10
+#define NWL_DSI_CFG_AUTOINSERT_EOTP 0x14
+#define NWL_DSI_CFG_EXTRA_CMDS_AFTER_EOTP 0x18
+#define NWL_DSI_CFG_HTX_TO_COUNT 0x1c
+#define NWL_DSI_CFG_LRX_H_TO_COUNT 0x20
+#define NWL_DSI_CFG_BTA_H_TO_COUNT 0x24
+#define NWL_DSI_CFG_TWAKEUP 0x28
+#define NWL_DSI_CFG_STATUS_OUT 0x2c
+#define NWL_DSI_RX_ERROR_STATUS 0x30
+
+/* DSI DPI registers */
+#define NWL_DSI_PIXEL_PAYLOAD_SIZE 0x200
+#define NWL_DSI_PIXEL_FIFO_SEND_LEVEL 0x204
+#define NWL_DSI_INTERFACE_COLOR_CODING 0x208
+#define NWL_DSI_PIXEL_FORMAT 0x20c
+#define NWL_DSI_VSYNC_POLARITY 0x210
+#define NWL_DSI_VSYNC_POLARITY_ACTIVE_LOW 0
+#define NWL_DSI_VSYNC_POLARITY_ACTIVE_HIGH BIT(1)
+
+#define NWL_DSI_HSYNC_POLARITY 0x214
+#define NWL_DSI_HSYNC_POLARITY_ACTIVE_LOW 0
+#define NWL_DSI_HSYNC_POLARITY_ACTIVE_HIGH BIT(1)
+
+#define NWL_DSI_VIDEO_MODE 0x218
+#define NWL_DSI_HFP 0x21c
+#define NWL_DSI_HBP 0x220
+#define NWL_DSI_HSA 0x224
+#define NWL_DSI_ENABLE_MULT_PKTS 0x228
+#define NWL_DSI_VBP 0x22c
+#define NWL_DSI_VFP 0x230
+#define NWL_DSI_BLLP_MODE 0x234
+#define NWL_DSI_USE_NULL_PKT_BLLP 0x238
+#define NWL_DSI_VACTIVE 0x23c
+#define NWL_DSI_VC 0x240
+
+/* DSI APB PKT control */
+#define NWL_DSI_TX_PAYLOAD 0x280
+#define NWL_DSI_PKT_CONTROL 0x284
+#define NWL_DSI_SEND_PACKET 0x288
+#define NWL_DSI_PKT_STATUS 0x28c
+#define NWL_DSI_PKT_FIFO_WR_LEVEL 0x290
+#define NWL_DSI_PKT_FIFO_RD_LEVEL 0x294
+#define NWL_DSI_RX_PAYLOAD 0x298
+#define NWL_DSI_RX_PKT_HEADER 0x29c
+
+/* DSI IRQ handling */
+#define NWL_DSI_IRQ_STATUS 0x2a0
+#define NWL_DSI_SM_NOT_IDLE BIT(0)
+#define NWL_DSI_TX_PKT_DONE BIT(1)
+#define NWL_DSI_DPHY_DIRECTION BIT(2)
+#define NWL_DSI_TX_FIFO_OVFLW BIT(3)
+#define NWL_DSI_TX_FIFO_UDFLW BIT(4)
+#define NWL_DSI_RX_FIFO_OVFLW BIT(5)
+#define NWL_DSI_RX_FIFO_UDFLW BIT(6)
+#define NWL_DSI_RX_PKT_HDR_RCVD BIT(7)
+#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD BIT(8)
+#define NWL_DSI_BTA_TIMEOUT BIT(29)
+#define NWL_DSI_LP_RX_TIMEOUT BIT(30)
+#define NWL_DSI_HS_TX_TIMEOUT BIT(31)
+
+#define NWL_DSI_IRQ_STATUS2 0x2a4
+#define NWL_DSI_SINGLE_BIT_ECC_ERR BIT(0)
+#define NWL_DSI_MULTI_BIT_ECC_ERR BIT(1)
+#define NWL_DSI_CRC_ERR BIT(2)
+
+#define NWL_DSI_IRQ_MASK 0x2a8
+#define NWL_DSI_SM_NOT_IDLE_MASK BIT(0)
+#define NWL_DSI_TX_PKT_DONE_MASK BIT(1)
+#define NWL_DSI_DPHY_DIRECTION_MASK BIT(2)
+#define NWL_DSI_TX_FIFO_OVFLW_MASK BIT(3)
+#define NWL_DSI_TX_FIFO_UDFLW_MASK BIT(4)
+#define NWL_DSI_RX_FIFO_OVFLW_MASK BIT(5)
+#define NWL_DSI_RX_FIFO_UDFLW_MASK BIT(6)
+#define NWL_DSI_RX_PKT_HDR_RCVD_MASK BIT(7)
+#define NWL_DSI_RX_PKT_PAYLOAD_DATA_RCVD_MASK BIT(8)
+#define NWL_DSI_BTA_TIMEOUT_MASK BIT(29)
+#define NWL_DSI_LP_RX_TIMEOUT_MASK BIT(30)
+#define NWL_DSI_HS_TX_TIMEOUT_MASK BIT(31)
+
+#define NWL_DSI_IRQ_MASK2 0x2ac
+#define NWL_DSI_SINGLE_BIT_ECC_ERR_MASK BIT(0)
+#define NWL_DSI_MULTI_BIT_ECC_ERR_MASK BIT(1)
+#define NWL_DSI_CRC_ERR_MASK BIT(2)
+
+/*
+ * PKT_CONTROL format:
+ * [15: 0] - word count
+ * [17:16] - virtual channel
+ * [23:18] - data type
+ * [24] - LP or HS select (0 - LP, 1 - HS)
+ * [25] - perform BTA after packet is sent
+ * [26] - perform BTA only, no packet tx
+ */
+#define NWL_DSI_WC(x) FIELD_PREP(GENMASK(15, 0), (x))
+#define NWL_DSI_TX_VC(x) FIELD_PREP(GENMASK(17, 16), (x))
+#define NWL_DSI_TX_DT(x) FIELD_PREP(GENMASK(23, 18), (x))
+#define NWL_DSI_HS_SEL(x) FIELD_PREP(GENMASK(24, 24), (x))
+#define NWL_DSI_BTA_TX(x) FIELD_PREP(GENMASK(25, 25), (x))
+#define NWL_DSI_BTA_NO_TX(x) FIELD_PREP(GENMASK(26, 26), (x))
+
+/*
+ * RX_PKT_HEADER format:
+ * [15: 0] - word count
+ * [21:16] - data type
+ * [23:22] - virtual channel
+ */
+#define NWL_DSI_RX_DT(x) FIELD_GET(GENMASK(21, 16), (x))
+#define NWL_DSI_RX_VC(x) FIELD_GET(GENMASK(23, 22), (x))
+
+/* DSI Video mode */
+#define NWL_DSI_VM_BURST_MODE_WITH_SYNC_PULSES 0
+#define NWL_DSI_VM_NON_BURST_MODE_WITH_SYNC_EVENTS BIT(0)
+#define NWL_DSI_VM_BURST_MODE BIT(1)
+
+/* * DPI color coding */
+#define NWL_DSI_DPI_16_BIT_565_PACKED 0
+#define NWL_DSI_DPI_16_BIT_565_ALIGNED 1
+#define NWL_DSI_DPI_16_BIT_565_SHIFTED 2
+#define NWL_DSI_DPI_18_BIT_PACKED 3
+#define NWL_DSI_DPI_18_BIT_ALIGNED 4
+#define NWL_DSI_DPI_24_BIT 5
+
+/* * DPI Pixel format */
+#define NWL_DSI_PIXEL_FORMAT_16 0
+#define NWL_DSI_PIXEL_FORMAT_18 BIT(0)
+#define NWL_DSI_PIXEL_FORMAT_18L BIT(1)
+#define NWL_DSI_PIXEL_FORMAT_24 (BIT(0) | BIT(1))
+
+#endif /* __NWL_DSI_H__ */
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
index 8461ee8304ba..1e63ed6b18aa 100644
--- a/drivers/gpu/drm/bridge/panel.c
+++ b/drivers/gpu/drm/bridge/panel.c
@@ -166,7 +166,7 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
*
* The connector type is set to @panel->connector_type, which must be set to a
* known type. Calling this function with a panel whose connector type is
- * DRM_MODE_CONNECTOR_Unknown will return NULL.
+ * DRM_MODE_CONNECTOR_Unknown will return ERR_PTR(-EINVAL).
*
* See devm_drm_panel_bridge_add() for an automatically managed version of this
* function.
@@ -174,7 +174,7 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel)
{
if (WARN_ON(panel->connector_type == DRM_MODE_CONNECTOR_Unknown))
- return NULL;
+ return ERR_PTR(-EINVAL);
return drm_panel_bridge_add_typed(panel, panel->connector_type);
}
@@ -265,7 +265,7 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
struct drm_panel *panel)
{
if (WARN_ON(panel->connector_type == DRM_MODE_CONNECTOR_Unknown))
- return NULL;
+ return ERR_PTR(-EINVAL);
return devm_drm_panel_bridge_add_typed(dev, panel,
panel->connector_type);
@@ -311,6 +311,7 @@ EXPORT_SYMBOL(devm_drm_panel_bridge_add_typed);
/**
* drm_panel_bridge_connector - return the connector for the panel bridge
+ * @bridge: The drm_bridge.
*
* drm_panel_bridge creates the connector.
* This function gives external access to the connector.
diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index d3a53442d449..4b099196afeb 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -268,8 +268,6 @@ static int ps8640_probe(struct i2c_client *client)
if (!panel)
return -ENODEV;
- panel->connector_type = DRM_MODE_CONNECTOR_eDP;
-
ps_bridge->panel_bridge = devm_drm_panel_bridge_add(dev, panel);
if (IS_ERR(ps_bridge->panel_bridge))
return PTR_ERR(ps_bridge->panel_bridge);
diff --git a/drivers/gpu/drm/bridge/sii9234.c b/drivers/gpu/drm/bridge/sii9234.c
index f81f81b7051f..b1258f0ed205 100644
--- a/drivers/gpu/drm/bridge/sii9234.c
+++ b/drivers/gpu/drm/bridge/sii9234.c
@@ -836,7 +836,8 @@ static int sii9234_init_resources(struct sii9234 *ctx,
ctx->supplies[3].supply = "cvcc12";
ret = devm_regulator_bulk_get(ctx->dev, 4, ctx->supplies);
if (ret) {
- dev_err(ctx->dev, "regulator_bulk failed\n");
+ if (ret != -EPROBE_DEFER)
+ dev_err(ctx->dev, "regulator_bulk failed\n");
return ret;
}
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
index dd56996fe9c7..d0db1acf11d7 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-ahb-audio.c
@@ -630,7 +630,7 @@ static struct platform_driver snd_dw_hdmi_driver = {
module_platform_driver(snd_dw_hdmi_driver);
-MODULE_AUTHOR("Russell King <rmk+kernel@arm.linux.org.uk>");
+MODULE_AUTHOR("Russell King <rmk+kernel@armlinux.org.uk>");
MODULE_DESCRIPTION("Synopsis Designware HDMI AHB ALSA interface");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index 383b1073d7de..30681398cfb0 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -92,6 +92,12 @@ static const u16 csc_coeff_rgb_in_eitu709[3][4] = {
{ 0x6756, 0x78ab, 0x2000, 0x0200 }
};
+static const u16 csc_coeff_rgb_full_to_rgb_limited[3][4] = {
+ { 0x1b7c, 0x0000, 0x0000, 0x0020 },
+ { 0x0000, 0x1b7c, 0x0000, 0x0020 },
+ { 0x0000, 0x0000, 0x1b7c, 0x0020 }
+};
+
struct hdmi_vmode {
bool mdataenablepolarity;
@@ -109,6 +115,7 @@ struct hdmi_data_info {
unsigned int pix_repet_factor;
unsigned int hdcp_enable;
struct hdmi_vmode video_mode;
+ bool rgb_limited_range;
};
struct dw_hdmi_i2c {
@@ -956,7 +963,14 @@ static void hdmi_video_sample(struct dw_hdmi *hdmi)
static int is_color_space_conversion(struct dw_hdmi *hdmi)
{
- return hdmi->hdmi_data.enc_in_bus_format != hdmi->hdmi_data.enc_out_bus_format;
+ struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data;
+ bool is_input_rgb, is_output_rgb;
+
+ is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_in_bus_format);
+ is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi_data->enc_out_bus_format);
+
+ return (is_input_rgb != is_output_rgb) ||
+ (is_input_rgb && is_output_rgb && hdmi_data->rgb_limited_range);
}
static int is_color_space_decimation(struct dw_hdmi *hdmi)
@@ -983,28 +997,37 @@ static int is_color_space_interpolation(struct dw_hdmi *hdmi)
return 0;
}
+static bool is_csc_needed(struct dw_hdmi *hdmi)
+{
+ return is_color_space_conversion(hdmi) ||
+ is_color_space_decimation(hdmi) ||
+ is_color_space_interpolation(hdmi);
+}
+
static void dw_hdmi_update_csc_coeffs(struct dw_hdmi *hdmi)
{
const u16 (*csc_coeff)[3][4] = &csc_coeff_default;
+ bool is_input_rgb, is_output_rgb;
unsigned i;
u32 csc_scale = 1;
- if (is_color_space_conversion(hdmi)) {
- if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
- if (hdmi->hdmi_data.enc_out_encoding ==
- V4L2_YCBCR_ENC_601)
- csc_coeff = &csc_coeff_rgb_out_eitu601;
- else
- csc_coeff = &csc_coeff_rgb_out_eitu709;
- } else if (hdmi_bus_fmt_is_rgb(
- hdmi->hdmi_data.enc_in_bus_format)) {
- if (hdmi->hdmi_data.enc_out_encoding ==
- V4L2_YCBCR_ENC_601)
- csc_coeff = &csc_coeff_rgb_in_eitu601;
- else
- csc_coeff = &csc_coeff_rgb_in_eitu709;
- csc_scale = 0;
- }
+ is_input_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_in_bus_format);
+ is_output_rgb = hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format);
+
+ if (!is_input_rgb && is_output_rgb) {
+ if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)
+ csc_coeff = &csc_coeff_rgb_out_eitu601;
+ else
+ csc_coeff = &csc_coeff_rgb_out_eitu709;
+ } else if (is_input_rgb && !is_output_rgb) {
+ if (hdmi->hdmi_data.enc_out_encoding == V4L2_YCBCR_ENC_601)
+ csc_coeff = &csc_coeff_rgb_in_eitu601;
+ else
+ csc_coeff = &csc_coeff_rgb_in_eitu709;
+ csc_scale = 0;
+ } else if (is_input_rgb && is_output_rgb &&
+ hdmi->hdmi_data.rgb_limited_range) {
+ csc_coeff = &csc_coeff_rgb_full_to_rgb_limited;
}
/* The CSC registers are sequential, alternating MSB then LSB */
@@ -1614,6 +1637,18 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
drm_hdmi_avi_infoframe_from_display_mode(&frame,
&hdmi->connector, mode);
+ if (hdmi_bus_fmt_is_rgb(hdmi->hdmi_data.enc_out_bus_format)) {
+ drm_hdmi_avi_infoframe_quant_range(&frame, &hdmi->connector,
+ mode,
+ hdmi->hdmi_data.rgb_limited_range ?
+ HDMI_QUANTIZATION_RANGE_LIMITED :
+ HDMI_QUANTIZATION_RANGE_FULL);
+ } else {
+ frame.quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
+ frame.ycc_quantization_range =
+ HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
+ }
+
if (hdmi_bus_fmt_is_yuv444(hdmi->hdmi_data.enc_out_bus_format))
frame.colorspace = HDMI_COLORSPACE_YUV444;
else if (hdmi_bus_fmt_is_yuv422(hdmi->hdmi_data.enc_out_bus_format))
@@ -1654,8 +1689,6 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
}
- frame.scan_mode = HDMI_SCAN_MODE_NONE;
-
/*
* The Designware IP uses a different byte format from standard
* AVI info frames, though generally the bits are in the correct
@@ -2010,18 +2043,19 @@ static void dw_hdmi_enable_video_path(struct dw_hdmi *hdmi)
hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
/* Enable csc path */
- if (is_color_space_conversion(hdmi)) {
+ if (is_csc_needed(hdmi)) {
hdmi->mc_clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE;
hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
- }
- /* Enable color space conversion if needed */
- if (is_color_space_conversion(hdmi))
hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH,
HDMI_MC_FLOWCTRL);
- else
+ } else {
+ hdmi->mc_clkdis |= HDMI_MC_CLKDIS_CSCCLK_DISABLE;
+ hdmi_writeb(hdmi, hdmi->mc_clkdis, HDMI_MC_CLKDIS);
+
hdmi_writeb(hdmi, HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS,
HDMI_MC_FLOWCTRL);
+ }
}
/* Workaround to clear the overflow condition */
@@ -2119,6 +2153,10 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
if (hdmi->hdmi_data.enc_out_bus_format == MEDIA_BUS_FMT_FIXED)
hdmi->hdmi_data.enc_out_bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ hdmi->hdmi_data.rgb_limited_range = hdmi->sink_is_hdmi &&
+ drm_default_rgb_quant_range(mode) ==
+ HDMI_QUANTIZATION_RANGE_LIMITED;
+
hdmi->hdmi_data.pix_repet_factor = 0;
hdmi->hdmi_data.hdcp_enable = 0;
hdmi->hdmi_data.video_mode.mdataenablepolarity = true;
diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc358768.c
index 1b39e8d37834..6650fe4cfc20 100644
--- a/drivers/gpu/drm/bridge/tc358768.c
+++ b/drivers/gpu/drm/bridge/tc358768.c
@@ -178,6 +178,8 @@ static int tc358768_clear_error(struct tc358768_priv *priv)
static void tc358768_write(struct tc358768_priv *priv, u32 reg, u32 val)
{
+ /* work around https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
+ int tmpval = val;
size_t count = 2;
if (priv->error)
@@ -187,7 +189,7 @@ static void tc358768_write(struct tc358768_priv *priv, u32 reg, u32 val)
if (reg < 0x100 || reg >= 0x600)
count = 1;
- priv->error = regmap_bulk_write(priv->regmap, reg, &val, count);
+ priv->error = regmap_bulk_write(priv->regmap, reg, &tmpval, count);
}
static void tc358768_read(struct tc358768_priv *priv, u32 reg, u32 *val)
diff --git a/drivers/gpu/drm/cirrus/Kconfig b/drivers/gpu/drm/cirrus/Kconfig
deleted file mode 100644
index c6bbd988b0e5..000000000000
--- a/drivers/gpu/drm/cirrus/Kconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-config DRM_CIRRUS_QEMU
- tristate "Cirrus driver for QEMU emulated device"
- depends on DRM && PCI && MMU
- select DRM_KMS_HELPER
- select DRM_GEM_SHMEM_HELPER
- help
- This is a KMS driver for emulated cirrus device in qemu.
- It is *NOT* intended for real cirrus devices. This requires
- the modesetting userspace X.org driver.
-
- Cirrus is obsolete, the hardware was designed in the 90ies
- and can't keep up with todays needs. More background:
- https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
-
- Better alternatives are:
- - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
- - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
- - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)
diff --git a/drivers/gpu/drm/cirrus/Makefile b/drivers/gpu/drm/cirrus/Makefile
deleted file mode 100644
index 0c1ed3f99725..000000000000
--- a/drivers/gpu/drm/cirrus/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 9ccfbf213d72..965173fd0ac2 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1641,10 +1641,10 @@ static const struct drm_info_list drm_atomic_debugfs_list[] = {
{"state", drm_state_info, 0},
};
-int drm_atomic_debugfs_init(struct drm_minor *minor)
+void drm_atomic_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(drm_atomic_debugfs_list,
- ARRAY_SIZE(drm_atomic_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(drm_atomic_debugfs_list,
+ ARRAY_SIZE(drm_atomic_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c
index 531b876d0ed8..800ac39f3213 100644
--- a/drivers/gpu/drm/drm_auth.c
+++ b/drivers/gpu/drm/drm_auth.c
@@ -135,6 +135,7 @@ static int drm_set_master(struct drm_device *dev, struct drm_file *fpriv,
}
}
+ fpriv->was_master = (ret == 0);
return ret;
}
@@ -174,17 +175,77 @@ out_err:
return ret;
}
+/*
+ * In the olden days the SET/DROP_MASTER ioctls used to return EACCES when
+ * CAP_SYS_ADMIN was not set. This was used to prevent rogue applications
+ * from becoming master and/or failing to release it.
+ *
+ * At the same time, the first client (for a given VT) is _always_ master.
+ * Thus in order for the ioctls to succeed, one had to _explicitly_ run the
+ * application as root or flip the setuid bit.
+ *
+ * If the CAP_SYS_ADMIN was missing, no other client could become master...
+ * EVER :-( Leading to a) the graphics session dying badly or b) a completely
+ * locked session.
+ *
+ *
+ * As some point systemd-logind was introduced to orchestrate and delegate
+ * master as applicable. It does so by opening the fd and passing it to users
+ * while in itself logind a) does the set/drop master per users' request and
+ * b) * implicitly drops master on VT switch.
+ *
+ * Even though logind looks like the future, there are a few issues:
+ * - some platforms don't have equivalent (Android, CrOS, some BSDs) so
+ * root is required _solely_ for SET/DROP MASTER.
+ * - applications may not be updated to use it,
+ * - any client which fails to drop master* can DoS the application using
+ * logind, to a varying degree.
+ *
+ * * Either due missing CAP_SYS_ADMIN or simply not calling DROP_MASTER.
+ *
+ *
+ * Here we implement the next best thing:
+ * - ensure the logind style of fd passing works unchanged, and
+ * - allow a client to drop/set master, iff it is/was master at a given point
+ * in time.
+ *
+ * Note: DROP_MASTER cannot be free for all, as an arbitrator user could:
+ * - DoS/crash the arbitrator - details would be implementation specific
+ * - open the node, become master implicitly and cause issues
+ *
+ * As a result this fixes the following when using root-less build w/o logind
+ * - startx
+ * - weston
+ * - various compositors based on wlroots
+ */
+static int
+drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv)
+{
+ if (file_priv->pid == task_pid(current) && file_priv->was_master)
+ return 0;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+
+ return 0;
+}
+
int drm_setmaster_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
int ret = 0;
mutex_lock(&dev->master_mutex);
+
+ ret = drm_master_check_perm(dev, file_priv);
+ if (ret)
+ goto out_unlock;
+
if (drm_is_current_master(file_priv))
goto out_unlock;
if (dev->master) {
- ret = -EINVAL;
+ ret = -EBUSY;
goto out_unlock;
}
@@ -224,6 +285,12 @@ int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
int ret = -EINVAL;
mutex_lock(&dev->master_mutex);
+
+ ret = drm_master_check_perm(dev, file_priv);
+ if (ret)
+ goto out_unlock;
+
+ ret = -EINVAL;
if (!drm_is_current_master(file_priv))
goto out_unlock;
diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c
index 121481f6aa71..f1dcad96f341 100644
--- a/drivers/gpu/drm/drm_blend.c
+++ b/drivers/gpu/drm/drm_blend.c
@@ -135,7 +135,9 @@
* are underneath planes with higher Z position values. Two planes with the
* same Z position value have undefined ordering. Note that the Z position
* value can also be immutable, to inform userspace about the hard-coded
- * stacking of planes, see drm_plane_create_zpos_immutable_property().
+ * stacking of planes, see drm_plane_create_zpos_immutable_property(). If
+ * any plane has a zpos property (either mutable or immutable), then all
+ * planes shall have a zpos property.
*
* pixel blend mode:
* Pixel blend mode is set up with drm_plane_create_blend_mode_property().
@@ -183,6 +185,12 @@
* plane does not expose the "alpha" property, then this is
* assumed to be 1.0
*
+ * IN_FORMATS:
+ * Blob property which contains the set of buffer format and modifier
+ * pairs supported by this plane. The blob is a drm_format_modifier_blob
+ * struct. Without this property the plane doesn't support buffers with
+ * modifiers. Userspace cannot change this property.
+ *
* Note that all the property extensions described here apply either to the
* plane or the CRTC (e.g. for the background color, which currently is not
* exposed and assumed to be black).
@@ -338,10 +346,10 @@ EXPORT_SYMBOL(drm_rotation_simplify);
* should be set to 0 and max to maximal number of planes for given crtc - 1.
*
* If zpos of some planes cannot be changed (like fixed background or
- * cursor/topmost planes), driver should adjust min/max values and assign those
- * planes immutable zpos property with lower or higher values (for more
+ * cursor/topmost planes), drivers shall adjust the min/max values and assign
+ * those planes immutable zpos properties with lower or higher values (for more
* information, see drm_plane_create_zpos_immutable_property() function). In such
- * case driver should also assign proper initial zpos values for all planes in
+ * case drivers shall also assign proper initial zpos values for all planes in
* its plane_reset() callback, so the planes will be always sorted properly.
*
* See also drm_atomic_normalize_zpos().
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index dcabf5698333..ef26ac57f039 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -33,6 +33,7 @@
#include <linux/mm.h>
#include <linux/mman.h>
#include <linux/nospec.h>
+#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
@@ -43,7 +44,6 @@
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
-#include <drm/drm_pci.h>
#include <drm/drm_print.h>
#include "drm_legacy.h"
diff --git a/drivers/gpu/drm/drm_client.c b/drivers/gpu/drm/drm_client.c
index 6b0c6ef8b9b3..8cb93f5209a4 100644
--- a/drivers/gpu/drm/drm_client.c
+++ b/drivers/gpu/drm/drm_client.c
@@ -457,10 +457,10 @@ static const struct drm_info_list drm_client_debugfs_list[] = {
{ "internal_clients", drm_client_debugfs_internal_clients, 0 },
};
-int drm_client_debugfs_init(struct drm_minor *minor)
+void drm_client_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(drm_client_debugfs_list,
- ARRAY_SIZE(drm_client_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(drm_client_debugfs_list,
+ ARRAY_SIZE(drm_client_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 644f0ad10671..b1099e1251a2 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -1970,6 +1970,8 @@ int drm_connector_update_edid_property(struct drm_connector *connector,
else
drm_reset_display_info(connector);
+ drm_update_tile_info(connector, edid);
+
drm_object_property_set_value(&connector->base,
dev->mode_config.non_desktop_property,
connector->display_info.non_desktop);
@@ -2392,7 +2394,7 @@ EXPORT_SYMBOL(drm_mode_put_tile_group);
* tile group or NULL if not found.
*/
struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
- char topology[8])
+ const char topology[8])
{
struct drm_tile_group *tg;
int id;
@@ -2422,7 +2424,7 @@ EXPORT_SYMBOL(drm_mode_get_tile_group);
* new tile group or NULL.
*/
struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
- char topology[8])
+ const char topology[8])
{
struct drm_tile_group *tg;
int ret;
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index 16f2413403aa..da96b2f64d7e 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -82,6 +82,7 @@ int drm_mode_setcrtc(struct drm_device *dev,
/* drm_mode_config.c */
int drm_modeset_register_all(struct drm_device *dev);
void drm_modeset_unregister_all(struct drm_device *dev);
+void drm_mode_config_validate(struct drm_device *dev);
/* drm_modes.c */
const char *drm_get_mode_status_name(enum drm_mode_status status);
@@ -224,7 +225,7 @@ int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
/* drm_atomic.c */
#ifdef CONFIG_DEBUG_FS
struct drm_minor;
-int drm_atomic_debugfs_init(struct drm_minor *minor);
+void drm_atomic_debugfs_init(struct drm_minor *minor);
#endif
int __drm_atomic_helper_disable_plane(struct drm_plane *plane,
@@ -278,3 +279,4 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev,
void drm_mode_fixup_1366x768(struct drm_display_mode *mode);
void drm_reset_display_info(struct drm_connector *connector);
u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid);
+void drm_update_tile_info(struct drm_connector *connector, const struct edid *edid);
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 4e673d318503..2bea22130703 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -172,8 +172,8 @@ static const struct file_operations drm_debugfs_fops = {
* &struct drm_info_list in the given root directory. These files will be removed
* automatically on drm_debugfs_cleanup().
*/
-int drm_debugfs_create_files(const struct drm_info_list *files, int count,
- struct dentry *root, struct drm_minor *minor)
+void drm_debugfs_create_files(const struct drm_info_list *files, int count,
+ struct dentry *root, struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct drm_info_node *tmp;
@@ -199,7 +199,6 @@ int drm_debugfs_create_files(const struct drm_info_list *files, int count,
list_add(&tmp->list, &minor->debugfs_list);
mutex_unlock(&minor->debugfs_lock);
}
- return 0;
}
EXPORT_SYMBOL(drm_debugfs_create_files);
@@ -208,52 +207,28 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
{
struct drm_device *dev = minor->dev;
char name[64];
- int ret;
INIT_LIST_HEAD(&minor->debugfs_list);
mutex_init(&minor->debugfs_lock);
sprintf(name, "%d", minor_id);
minor->debugfs_root = debugfs_create_dir(name, root);
- ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
- minor->debugfs_root, minor);
- if (ret) {
- debugfs_remove(minor->debugfs_root);
- minor->debugfs_root = NULL;
- DRM_ERROR("Failed to create core drm debugfs files\n");
- return ret;
- }
+ drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
if (drm_drv_uses_atomic_modeset(dev)) {
- ret = drm_atomic_debugfs_init(minor);
- if (ret) {
- DRM_ERROR("Failed to create atomic debugfs files\n");
- return ret;
- }
+ drm_atomic_debugfs_init(minor);
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
- ret = drm_framebuffer_debugfs_init(minor);
- if (ret) {
- DRM_ERROR("Failed to create framebuffer debugfs file\n");
- return ret;
- }
+ drm_framebuffer_debugfs_init(minor);
- ret = drm_client_debugfs_init(minor);
- if (ret) {
- DRM_ERROR("Failed to create client debugfs file\n");
- return ret;
- }
+ drm_client_debugfs_init(minor);
}
- if (dev->driver->debugfs_init) {
- ret = dev->driver->debugfs_init(minor);
- if (ret) {
- DRM_ERROR("DRM: Driver failed to initialize "
- "/sys/kernel/debug/dri.\n");
- return ret;
- }
- }
+ if (dev->driver->debugfs_init)
+ dev->driver->debugfs_init(minor);
+
return 0;
}
diff --git a/drivers/gpu/drm/drm_dma.c b/drivers/gpu/drm/drm_dma.c
index a7add55a85b4..d07ba54ec945 100644
--- a/drivers/gpu/drm/drm_dma.c
+++ b/drivers/gpu/drm/drm_dma.c
@@ -34,9 +34,9 @@
*/
#include <linux/export.h>
+#include <linux/pci.h>
#include <drm/drm_drv.h>
-#include <drm/drm_pci.h>
#include <drm/drm_print.h>
#include "drm_legacy.h"
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index c6fbe6e6bc9d..19c99dddcb99 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -1238,6 +1238,8 @@ static const struct dpcd_quirk dpcd_quirk_list[] = {
{ OUI(0x00, 0x00, 0x00), DEVICE_ID('C', 'H', '7', '5', '1', '1'), false, BIT(DP_DPCD_QUIRK_NO_SINK_COUNT) },
/* Synaptics DP1.4 MST hubs can support DSC without virtual DPCD */
{ OUI(0x90, 0xCC, 0x24), DEVICE_ID_ANY, true, BIT(DP_DPCD_QUIRK_DSC_WITHOUT_VIRTUAL_DPCD) },
+ /* Apple MacBookPro 2017 15 inch eDP Retina panel reports too low DP_MAX_LINK_RATE */
+ { OUI(0x00, 0x10, 0xfa), DEVICE_ID(101, 68, 21, 101, 98, 97), false, BIT(DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS) },
};
#undef OUI
@@ -1313,6 +1315,7 @@ static const struct edid_quirk edid_quirk_list[] = {
{ MFG(0x06, 0xaf), PROD_ID(0xeb, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
{ MFG(0x4d, 0x10), PROD_ID(0xc7, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
{ MFG(0x4d, 0x10), PROD_ID(0xe6, 0x14), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
+ { MFG(0x4c, 0x83), PROD_ID(0x47, 0x41), BIT(DP_QUIRK_FORCE_DPCD_BACKLIGHT) },
};
#undef MFG
@@ -1533,3 +1536,271 @@ int drm_dp_dsc_sink_supported_input_bpcs(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_S
return num_bpc;
}
EXPORT_SYMBOL(drm_dp_dsc_sink_supported_input_bpcs);
+
+/**
+ * drm_dp_get_phy_test_pattern() - get the requested pattern from the sink.
+ * @aux: DisplayPort AUX channel
+ * @data: DP phy compliance test parameters.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data)
+{
+ int err;
+ u8 rate, lanes;
+
+ err = drm_dp_dpcd_readb(aux, DP_TEST_LINK_RATE, &rate);
+ if (err < 0)
+ return err;
+ data->link_rate = drm_dp_bw_code_to_link_rate(rate);
+
+ err = drm_dp_dpcd_readb(aux, DP_TEST_LANE_COUNT, &lanes);
+ if (err < 0)
+ return err;
+ data->num_lanes = lanes & DP_MAX_LANE_COUNT_MASK;
+
+ if (lanes & DP_ENHANCED_FRAME_CAP)
+ data->enhanced_frame_cap = true;
+
+ err = drm_dp_dpcd_readb(aux, DP_PHY_TEST_PATTERN, &data->phy_pattern);
+ if (err < 0)
+ return err;
+
+ switch (data->phy_pattern) {
+ case DP_PHY_TEST_PATTERN_80BIT_CUSTOM:
+ err = drm_dp_dpcd_read(aux, DP_TEST_80BIT_CUSTOM_PATTERN_7_0,
+ &data->custom80, sizeof(data->custom80));
+ if (err < 0)
+ return err;
+
+ break;
+ case DP_PHY_TEST_PATTERN_CP2520:
+ err = drm_dp_dpcd_read(aux, DP_TEST_HBR2_SCRAMBLER_RESET,
+ &data->hbr2_reset,
+ sizeof(data->hbr2_reset));
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_dp_get_phy_test_pattern);
+
+/**
+ * drm_dp_set_phy_test_pattern() - set the pattern to the sink.
+ * @aux: DisplayPort AUX channel
+ * @data: DP phy compliance test parameters.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data, u8 dp_rev)
+{
+ int err, i;
+ u8 link_config[2];
+ u8 test_pattern;
+
+ link_config[0] = drm_dp_link_rate_to_bw_code(data->link_rate);
+ link_config[1] = data->num_lanes;
+ if (data->enhanced_frame_cap)
+ link_config[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
+ err = drm_dp_dpcd_write(aux, DP_LINK_BW_SET, link_config, 2);
+ if (err < 0)
+ return err;
+
+ test_pattern = data->phy_pattern;
+ if (dp_rev < 0x12) {
+ test_pattern = (test_pattern << 2) &
+ DP_LINK_QUAL_PATTERN_11_MASK;
+ err = drm_dp_dpcd_writeb(aux, DP_TRAINING_PATTERN_SET,
+ test_pattern);
+ if (err < 0)
+ return err;
+ } else {
+ for (i = 0; i < data->num_lanes; i++) {
+ err = drm_dp_dpcd_writeb(aux,
+ DP_LINK_QUAL_LANE0_SET + i,
+ test_pattern);
+ if (err < 0)
+ return err;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_dp_set_phy_test_pattern);
+
+static const char *dp_pixelformat_get_name(enum dp_pixelformat pixelformat)
+{
+ if (pixelformat < 0 || pixelformat > DP_PIXELFORMAT_RESERVED)
+ return "Invalid";
+
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "RGB";
+ case DP_PIXELFORMAT_YUV444:
+ return "YUV444";
+ case DP_PIXELFORMAT_YUV422:
+ return "YUV422";
+ case DP_PIXELFORMAT_YUV420:
+ return "YUV420";
+ case DP_PIXELFORMAT_Y_ONLY:
+ return "Y_ONLY";
+ case DP_PIXELFORMAT_RAW:
+ return "RAW";
+ default:
+ return "Reserved";
+ }
+}
+
+static const char *dp_colorimetry_get_name(enum dp_pixelformat pixelformat,
+ enum dp_colorimetry colorimetry)
+{
+ if (pixelformat < 0 || pixelformat > DP_PIXELFORMAT_RESERVED)
+ return "Invalid";
+
+ switch (colorimetry) {
+ case DP_COLORIMETRY_DEFAULT:
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "sRGB";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "BT.601";
+ case DP_PIXELFORMAT_Y_ONLY:
+ return "DICOM PS3.14";
+ case DP_PIXELFORMAT_RAW:
+ return "Custom Color Profile";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_RGB_WIDE_FIXED: /* and DP_COLORIMETRY_BT709_YCC */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "Wide Fixed";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "BT.709";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_RGB_WIDE_FLOAT: /* and DP_COLORIMETRY_XVYCC_601 */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "Wide Float";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "xvYCC 601";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_OPRGB: /* and DP_COLORIMETRY_XVYCC_709 */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "OpRGB";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "xvYCC 709";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_DCI_P3_RGB: /* and DP_COLORIMETRY_SYCC_601 */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "DCI-P3";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "sYCC 601";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_RGB_CUSTOM: /* and DP_COLORIMETRY_OPYCC_601 */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "Custom Profile";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "OpYCC 601";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_BT2020_RGB: /* and DP_COLORIMETRY_BT2020_CYCC */
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_RGB:
+ return "BT.2020 RGB";
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "BT.2020 CYCC";
+ default:
+ return "Reserved";
+ }
+ case DP_COLORIMETRY_BT2020_YCC:
+ switch (pixelformat) {
+ case DP_PIXELFORMAT_YUV444:
+ case DP_PIXELFORMAT_YUV422:
+ case DP_PIXELFORMAT_YUV420:
+ return "BT.2020 YCC";
+ default:
+ return "Reserved";
+ }
+ default:
+ return "Invalid";
+ }
+}
+
+static const char *dp_dynamic_range_get_name(enum dp_dynamic_range dynamic_range)
+{
+ switch (dynamic_range) {
+ case DP_DYNAMIC_RANGE_VESA:
+ return "VESA range";
+ case DP_DYNAMIC_RANGE_CTA:
+ return "CTA range";
+ default:
+ return "Invalid";
+ }
+}
+
+static const char *dp_content_type_get_name(enum dp_content_type content_type)
+{
+ switch (content_type) {
+ case DP_CONTENT_TYPE_NOT_DEFINED:
+ return "Not defined";
+ case DP_CONTENT_TYPE_GRAPHICS:
+ return "Graphics";
+ case DP_CONTENT_TYPE_PHOTO:
+ return "Photo";
+ case DP_CONTENT_TYPE_VIDEO:
+ return "Video";
+ case DP_CONTENT_TYPE_GAME:
+ return "Game";
+ default:
+ return "Reserved";
+ }
+}
+
+void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
+ const struct drm_dp_vsc_sdp *vsc)
+{
+#define DP_SDP_LOG(fmt, ...) dev_printk(level, dev, fmt, ##__VA_ARGS__)
+ DP_SDP_LOG("DP SDP: %s, revision %u, length %u\n", "VSC",
+ vsc->revision, vsc->length);
+ DP_SDP_LOG(" pixelformat: %s\n",
+ dp_pixelformat_get_name(vsc->pixelformat));
+ DP_SDP_LOG(" colorimetry: %s\n",
+ dp_colorimetry_get_name(vsc->pixelformat, vsc->colorimetry));
+ DP_SDP_LOG(" bpc: %u\n", vsc->bpc);
+ DP_SDP_LOG(" dynamic range: %s\n",
+ dp_dynamic_range_get_name(vsc->dynamic_range));
+ DP_SDP_LOG(" content type: %s\n",
+ dp_content_type_get_name(vsc->content_type));
+#undef DP_SDP_LOG
+}
+EXPORT_SYMBOL(drm_dp_vsc_sdp_log);
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 70c4b7afed12..1e26b89628f9 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -27,6 +27,7 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/seq_file.h>
+#include <linux/iopoll.h>
#if IS_ENABLED(CONFIG_DRM_DEBUG_DP_MST_TOPOLOGY_REFS)
#include <linux/stacktrace.h>
@@ -687,51 +688,45 @@ static void drm_dp_encode_sideband_reply(struct drm_dp_sideband_msg_reply_body *
raw->cur_len = idx;
}
-/* this adds a chunk of msg to the builder to get the final msg */
-static bool drm_dp_sideband_msg_build(struct drm_dp_sideband_msg_rx *msg,
- u8 *replybuf, u8 replybuflen, bool hdr)
+static int drm_dp_sideband_msg_set_header(struct drm_dp_sideband_msg_rx *msg,
+ struct drm_dp_sideband_msg_hdr *hdr,
+ u8 hdrlen)
{
- int ret;
- u8 crc4;
+ /*
+ * ignore out-of-order messages or messages that are part of a
+ * failed transaction
+ */
+ if (!hdr->somt && !msg->have_somt)
+ return false;
- if (hdr) {
- u8 hdrlen;
- struct drm_dp_sideband_msg_hdr recv_hdr;
- ret = drm_dp_decode_sideband_msg_hdr(&recv_hdr, replybuf, replybuflen, &hdrlen);
- if (ret == false) {
- print_hex_dump(KERN_DEBUG, "failed hdr", DUMP_PREFIX_NONE, 16, 1, replybuf, replybuflen, false);
- return false;
- }
+ /* get length contained in this portion */
+ msg->curchunk_idx = 0;
+ msg->curchunk_len = hdr->msg_len;
+ msg->curchunk_hdrlen = hdrlen;
- /*
- * ignore out-of-order messages or messages that are part of a
- * failed transaction
- */
- if (!recv_hdr.somt && !msg->have_somt)
- return false;
+ /* we have already gotten an somt - don't bother parsing */
+ if (hdr->somt && msg->have_somt)
+ return false;
- /* get length contained in this portion */
- msg->curchunk_len = recv_hdr.msg_len;
- msg->curchunk_hdrlen = hdrlen;
+ if (hdr->somt) {
+ memcpy(&msg->initial_hdr, hdr,
+ sizeof(struct drm_dp_sideband_msg_hdr));
+ msg->have_somt = true;
+ }
+ if (hdr->eomt)
+ msg->have_eomt = true;
- /* we have already gotten an somt - don't bother parsing */
- if (recv_hdr.somt && msg->have_somt)
- return false;
+ return true;
+}
- if (recv_hdr.somt) {
- memcpy(&msg->initial_hdr, &recv_hdr, sizeof(struct drm_dp_sideband_msg_hdr));
- msg->have_somt = true;
- }
- if (recv_hdr.eomt)
- msg->have_eomt = true;
+/* this adds a chunk of msg to the builder to get the final msg */
+static bool drm_dp_sideband_append_payload(struct drm_dp_sideband_msg_rx *msg,
+ u8 *replybuf, u8 replybuflen)
+{
+ u8 crc4;
- /* copy the bytes for the remainder of this header chunk */
- msg->curchunk_idx = min(msg->curchunk_len, (u8)(replybuflen - hdrlen));
- memcpy(&msg->chunk[0], replybuf + hdrlen, msg->curchunk_idx);
- } else {
- memcpy(&msg->chunk[msg->curchunk_idx], replybuf, replybuflen);
- msg->curchunk_idx += replybuflen;
- }
+ memcpy(&msg->chunk[msg->curchunk_idx], replybuf, replybuflen);
+ msg->curchunk_idx += replybuflen;
if (msg->curchunk_idx >= msg->curchunk_len) {
/* do CRC */
@@ -1060,13 +1055,12 @@ static void build_link_address(struct drm_dp_sideband_msg_tx *msg)
drm_dp_encode_sideband_req(&req, msg);
}
-static int build_clear_payload_id_table(struct drm_dp_sideband_msg_tx *msg)
+static void build_clear_payload_id_table(struct drm_dp_sideband_msg_tx *msg)
{
struct drm_dp_sideband_msg_req_body req;
req.req_type = DP_CLEAR_PAYLOAD_ID_TABLE;
drm_dp_encode_sideband_req(&req, msg);
- return 0;
}
static int build_enum_path_resources(struct drm_dp_sideband_msg_tx *msg,
@@ -1203,16 +1197,8 @@ static int drm_dp_mst_wait_tx_reply(struct drm_dp_mst_branch *mstb,
/* remove from q */
if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED ||
- txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND) {
+ txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND)
list_del(&txmsg->next);
- }
-
- if (txmsg->state == DRM_DP_SIDEBAND_TX_START_SEND ||
- txmsg->state == DRM_DP_SIDEBAND_TX_SENT) {
- mstb->tx_slots[txmsg->seqno] = NULL;
- }
- mgr->is_waiting_for_dwn_reply = false;
-
}
out:
if (unlikely(ret == -EIO) && drm_debug_enabled(DRM_UT_DP)) {
@@ -2691,22 +2677,6 @@ static int set_hdr_from_dst_qlock(struct drm_dp_sideband_msg_hdr *hdr,
struct drm_dp_mst_branch *mstb = txmsg->dst;
u8 req_type;
- /* both msg slots are full */
- if (txmsg->seqno == -1) {
- if (mstb->tx_slots[0] && mstb->tx_slots[1]) {
- DRM_DEBUG_KMS("%s: failed to find slot\n", __func__);
- return -EAGAIN;
- }
- if (mstb->tx_slots[0] == NULL && mstb->tx_slots[1] == NULL) {
- txmsg->seqno = mstb->last_seqno;
- mstb->last_seqno ^= 1;
- } else if (mstb->tx_slots[0] == NULL)
- txmsg->seqno = 0;
- else
- txmsg->seqno = 1;
- mstb->tx_slots[txmsg->seqno] = txmsg;
- }
-
req_type = txmsg->msg[0] & 0x7f;
if (req_type == DP_CONNECTION_STATUS_NOTIFY ||
req_type == DP_RESOURCE_STATUS_NOTIFY)
@@ -2718,7 +2688,7 @@ static int set_hdr_from_dst_qlock(struct drm_dp_sideband_msg_hdr *hdr,
hdr->lcr = mstb->lct - 1;
if (mstb->lct > 1)
memcpy(hdr->rad, mstb->rad, mstb->lct / 2);
- hdr->seqno = txmsg->seqno;
+
return 0;
}
/*
@@ -2733,15 +2703,15 @@ static int process_single_tx_qlock(struct drm_dp_mst_topology_mgr *mgr,
int len, space, idx, tosend;
int ret;
+ if (txmsg->state == DRM_DP_SIDEBAND_TX_SENT)
+ return 0;
+
memset(&hdr, 0, sizeof(struct drm_dp_sideband_msg_hdr));
- if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED) {
- txmsg->seqno = -1;
+ if (txmsg->state == DRM_DP_SIDEBAND_TX_QUEUED)
txmsg->state = DRM_DP_SIDEBAND_TX_START_SEND;
- }
- /* make hdr from dst mst - for replies use seqno
- otherwise assign one */
+ /* make hdr from dst mst */
ret = set_hdr_from_dst_qlock(&hdr, txmsg);
if (ret < 0)
return ret;
@@ -2794,42 +2764,17 @@ static void process_single_down_tx_qlock(struct drm_dp_mst_topology_mgr *mgr)
if (list_empty(&mgr->tx_msg_downq))
return;
- txmsg = list_first_entry(&mgr->tx_msg_downq, struct drm_dp_sideband_msg_tx, next);
+ txmsg = list_first_entry(&mgr->tx_msg_downq,
+ struct drm_dp_sideband_msg_tx, next);
ret = process_single_tx_qlock(mgr, txmsg, false);
- if (ret == 1) {
- /* txmsg is sent it should be in the slots now */
- mgr->is_waiting_for_dwn_reply = true;
- list_del(&txmsg->next);
- } else if (ret) {
+ if (ret < 0) {
DRM_DEBUG_KMS("failed to send msg in q %d\n", ret);
- mgr->is_waiting_for_dwn_reply = false;
list_del(&txmsg->next);
- if (txmsg->seqno != -1)
- txmsg->dst->tx_slots[txmsg->seqno] = NULL;
txmsg->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
wake_up_all(&mgr->tx_waitq);
}
}
-/* called holding qlock */
-static void process_single_up_tx_qlock(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_sideband_msg_tx *txmsg)
-{
- int ret;
-
- /* construct a chunk from the first msg in the tx_msg queue */
- ret = process_single_tx_qlock(mgr, txmsg, true);
-
- if (ret != 1)
- DRM_DEBUG_KMS("failed to send msg in q %d\n", ret);
-
- if (txmsg->seqno != -1) {
- WARN_ON((unsigned int)txmsg->seqno >
- ARRAY_SIZE(txmsg->dst->tx_slots));
- txmsg->dst->tx_slots[txmsg->seqno] = NULL;
- }
-}
-
static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_sideband_msg_tx *txmsg)
{
@@ -2842,8 +2787,7 @@ static void drm_dp_queue_down_tx(struct drm_dp_mst_topology_mgr *mgr,
drm_dp_mst_dump_sideband_msg_tx(&p, txmsg);
}
- if (list_is_singular(&mgr->tx_msg_downq) &&
- !mgr->is_waiting_for_dwn_reply)
+ if (list_is_singular(&mgr->tx_msg_downq))
process_single_down_tx_qlock(mgr);
mutex_unlock(&mgr->qlock);
}
@@ -3442,8 +3386,12 @@ static int drm_dp_send_dpcd_write(struct drm_dp_mst_topology_mgr *mgr,
drm_dp_queue_down_tx(mgr, txmsg);
ret = drm_dp_mst_wait_tx_reply(mstb, txmsg);
- if (ret > 0 && txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK)
- ret = -EIO;
+ if (ret > 0) {
+ if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK)
+ ret = -EIO;
+ else
+ ret = size;
+ }
kfree(txmsg);
fail_put:
@@ -3463,7 +3411,7 @@ static int drm_dp_encode_up_ack_reply(struct drm_dp_sideband_msg_tx *msg, u8 req
static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_branch *mstb,
- int req_type, int seqno, bool broadcast)
+ int req_type, bool broadcast)
{
struct drm_dp_sideband_msg_tx *txmsg;
@@ -3472,13 +3420,11 @@ static int drm_dp_send_up_ack_reply(struct drm_dp_mst_topology_mgr *mgr,
return -ENOMEM;
txmsg->dst = mstb;
- txmsg->seqno = seqno;
drm_dp_encode_up_ack_reply(txmsg, req_type);
mutex_lock(&mgr->qlock);
-
- process_single_up_tx_qlock(mgr, txmsg);
-
+ /* construct a chunk from the first msg in the tx_msg queue */
+ process_single_tx_qlock(mgr, txmsg, true);
mutex_unlock(&mgr->qlock);
kfree(txmsg);
@@ -3703,31 +3649,63 @@ out_fail:
}
EXPORT_SYMBOL(drm_dp_mst_topology_mgr_resume);
-static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)
+static bool
+drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up,
+ struct drm_dp_mst_branch **mstb)
{
int len;
u8 replyblock[32];
int replylen, curreply;
int ret;
- struct drm_dp_sideband_msg_rx *msg;
- int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE : DP_SIDEBAND_MSG_DOWN_REP_BASE;
- msg = up ? &mgr->up_req_recv : &mgr->down_rep_recv;
+ u8 hdrlen;
+ struct drm_dp_sideband_msg_hdr hdr;
+ struct drm_dp_sideband_msg_rx *msg =
+ up ? &mgr->up_req_recv : &mgr->down_rep_recv;
+ int basereg = up ? DP_SIDEBAND_MSG_UP_REQ_BASE :
+ DP_SIDEBAND_MSG_DOWN_REP_BASE;
+
+ if (!up)
+ *mstb = NULL;
len = min(mgr->max_dpcd_transaction_bytes, 16);
- ret = drm_dp_dpcd_read(mgr->aux, basereg,
- replyblock, len);
+ ret = drm_dp_dpcd_read(mgr->aux, basereg, replyblock, len);
if (ret != len) {
DRM_DEBUG_KMS("failed to read DPCD down rep %d %d\n", len, ret);
return false;
}
- ret = drm_dp_sideband_msg_build(msg, replyblock, len, true);
+
+ ret = drm_dp_decode_sideband_msg_hdr(&hdr, replyblock, len, &hdrlen);
+ if (ret == false) {
+ print_hex_dump(KERN_DEBUG, "failed hdr", DUMP_PREFIX_NONE, 16,
+ 1, replyblock, len, false);
+ DRM_DEBUG_KMS("ERROR: failed header\n");
+ return false;
+ }
+
+ if (!up) {
+ /* Caller is responsible for giving back this reference */
+ *mstb = drm_dp_get_mst_branch_device(mgr, hdr.lct, hdr.rad);
+ if (!*mstb) {
+ DRM_DEBUG_KMS("Got MST reply from unknown device %d\n",
+ hdr.lct);
+ return false;
+ }
+ }
+
+ if (!drm_dp_sideband_msg_set_header(msg, &hdr, hdrlen)) {
+ DRM_DEBUG_KMS("sideband msg set header failed %d\n",
+ replyblock[0]);
+ return false;
+ }
+
+ replylen = min(msg->curchunk_len, (u8)(len - hdrlen));
+ ret = drm_dp_sideband_append_payload(msg, replyblock + hdrlen, replylen);
if (!ret) {
DRM_DEBUG_KMS("sideband msg build failed %d\n", replyblock[0]);
return false;
}
- replylen = msg->curchunk_len + msg->curchunk_hdrlen;
- replylen -= len;
+ replylen = msg->curchunk_len + msg->curchunk_hdrlen - len;
curreply = len;
while (replylen > 0) {
len = min3(replylen, mgr->max_dpcd_transaction_bytes, 16);
@@ -3739,7 +3717,7 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)
return false;
}
- ret = drm_dp_sideband_msg_build(msg, replyblock, len, false);
+ ret = drm_dp_sideband_append_payload(msg, replyblock, len);
if (!ret) {
DRM_DEBUG_KMS("failed to build sideband msg\n");
return false;
@@ -3754,67 +3732,60 @@ static bool drm_dp_get_one_sb_msg(struct drm_dp_mst_topology_mgr *mgr, bool up)
static int drm_dp_mst_handle_down_rep(struct drm_dp_mst_topology_mgr *mgr)
{
struct drm_dp_sideband_msg_tx *txmsg;
- struct drm_dp_mst_branch *mstb;
- struct drm_dp_sideband_msg_hdr *hdr = &mgr->down_rep_recv.initial_hdr;
- int slot = -1;
-
- if (!drm_dp_get_one_sb_msg(mgr, false))
- goto clear_down_rep_recv;
+ struct drm_dp_mst_branch *mstb = NULL;
+ struct drm_dp_sideband_msg_rx *msg = &mgr->down_rep_recv;
- if (!mgr->down_rep_recv.have_eomt)
- return 0;
+ if (!drm_dp_get_one_sb_msg(mgr, false, &mstb))
+ goto out;
- mstb = drm_dp_get_mst_branch_device(mgr, hdr->lct, hdr->rad);
- if (!mstb) {
- DRM_DEBUG_KMS("Got MST reply from unknown device %d\n",
- hdr->lct);
- goto clear_down_rep_recv;
- }
+ /* Multi-packet message transmission, don't clear the reply */
+ if (!msg->have_eomt)
+ goto out;
/* find the message */
- slot = hdr->seqno;
mutex_lock(&mgr->qlock);
- txmsg = mstb->tx_slots[slot];
- /* remove from slots */
+ txmsg = list_first_entry_or_null(&mgr->tx_msg_downq,
+ struct drm_dp_sideband_msg_tx, next);
mutex_unlock(&mgr->qlock);
- if (!txmsg) {
+ /* Were we actually expecting a response, and from this mstb? */
+ if (!txmsg || txmsg->dst != mstb) {
+ struct drm_dp_sideband_msg_hdr *hdr;
+ hdr = &msg->initial_hdr;
DRM_DEBUG_KMS("Got MST reply with no msg %p %d %d %02x %02x\n",
mstb, hdr->seqno, hdr->lct, hdr->rad[0],
- mgr->down_rep_recv.msg[0]);
- goto no_msg;
+ msg->msg[0]);
+ goto out_clear_reply;
}
- drm_dp_sideband_parse_reply(&mgr->down_rep_recv, &txmsg->reply);
+ drm_dp_sideband_parse_reply(msg, &txmsg->reply);
- if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK)
+ if (txmsg->reply.reply_type == DP_SIDEBAND_REPLY_NAK) {
DRM_DEBUG_KMS("Got NAK reply: req 0x%02x (%s), reason 0x%02x (%s), nak data 0x%02x\n",
txmsg->reply.req_type,
drm_dp_mst_req_type_str(txmsg->reply.req_type),
txmsg->reply.u.nak.reason,
drm_dp_mst_nak_reason_str(txmsg->reply.u.nak.reason),
txmsg->reply.u.nak.nak_data);
+ }
- memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
+ memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx));
drm_dp_mst_topology_put_mstb(mstb);
mutex_lock(&mgr->qlock);
txmsg->state = DRM_DP_SIDEBAND_TX_RX;
- mstb->tx_slots[slot] = NULL;
- mgr->is_waiting_for_dwn_reply = false;
+ list_del(&txmsg->next);
mutex_unlock(&mgr->qlock);
wake_up_all(&mgr->tx_waitq);
return 0;
-no_msg:
- drm_dp_mst_topology_put_mstb(mstb);
-clear_down_rep_recv:
- mutex_lock(&mgr->qlock);
- mgr->is_waiting_for_dwn_reply = false;
- mutex_unlock(&mgr->qlock);
- memset(&mgr->down_rep_recv, 0, sizeof(struct drm_dp_sideband_msg_rx));
+out_clear_reply:
+ memset(msg, 0, sizeof(struct drm_dp_sideband_msg_rx));
+out:
+ if (mstb)
+ drm_dp_mst_topology_put_mstb(mstb);
return 0;
}
@@ -3890,11 +3861,9 @@ static void drm_dp_mst_up_req_work(struct work_struct *work)
static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
{
- struct drm_dp_sideband_msg_hdr *hdr = &mgr->up_req_recv.initial_hdr;
struct drm_dp_pending_up_req *up_req;
- bool seqno;
- if (!drm_dp_get_one_sb_msg(mgr, true))
+ if (!drm_dp_get_one_sb_msg(mgr, true, NULL))
goto out;
if (!mgr->up_req_recv.have_eomt)
@@ -3907,7 +3876,6 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
}
INIT_LIST_HEAD(&up_req->next);
- seqno = hdr->seqno;
drm_dp_sideband_parse_req(&mgr->up_req_recv, &up_req->msg);
if (up_req->msg.req_type != DP_CONNECTION_STATUS_NOTIFY &&
@@ -3919,7 +3887,7 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
}
drm_dp_send_up_ack_reply(mgr, mgr->mst_primary, up_req->msg.req_type,
- seqno, false);
+ false);
if (up_req->msg.req_type == DP_CONNECTION_STATUS_NOTIFY) {
const struct drm_dp_connection_status_notify *conn_stat =
@@ -3941,7 +3909,7 @@ static int drm_dp_mst_handle_up_req(struct drm_dp_mst_topology_mgr *mgr)
res_stat->available_pbn);
}
- up_req->hdr = *hdr;
+ up_req->hdr = mgr->up_req_recv.initial_hdr;
mutex_lock(&mgr->up_req_lock);
list_add_tail(&up_req->next, &mgr->up_req_list);
mutex_unlock(&mgr->up_req_lock);
@@ -4047,27 +4015,6 @@ out:
EXPORT_SYMBOL(drm_dp_mst_detect_port);
/**
- * drm_dp_mst_port_has_audio() - Check whether port has audio capability or not
- * @mgr: manager for this port
- * @port: unverified pointer to a port.
- *
- * This returns whether the port supports audio or not.
- */
-bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port)
-{
- bool ret = false;
-
- port = drm_dp_mst_topology_get_port_validated(mgr, port);
- if (!port)
- return ret;
- ret = port->has_audio;
- drm_dp_mst_topology_put_port(port);
- return ret;
-}
-EXPORT_SYMBOL(drm_dp_mst_port_has_audio);
-
-/**
* drm_dp_mst_get_edid() - get EDID for an MST port
* @connector: toplevel connector to get EDID for
* @mgr: manager for this port
@@ -4295,6 +4242,7 @@ int drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
if (pos->vcpi) {
drm_dp_mst_put_port_malloc(port);
pos->vcpi = 0;
+ pos->pbn = 0;
}
return 0;
@@ -4443,42 +4391,58 @@ fail:
return ret;
}
+static int do_get_act_status(struct drm_dp_aux *aux)
+{
+ int ret;
+ u8 status;
+
+ ret = drm_dp_dpcd_readb(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
+ if (ret < 0)
+ return ret;
+
+ return status;
+}
/**
- * drm_dp_check_act_status() - Check ACT handled status.
+ * drm_dp_check_act_status() - Polls for ACT handled status.
* @mgr: manager to use
*
- * Check the payload status bits in the DPCD for ACT handled completion.
+ * Tries waiting for the MST hub to finish updating it's payload table by
+ * polling for the ACT handled bit for up to 3 seconds (yes-some hubs really
+ * take that long).
+ *
+ * Returns:
+ * 0 if the ACT was handled in time, negative error code on failure.
*/
int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr)
{
- u8 status;
- int ret;
- int count = 0;
-
- do {
- ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
-
- if (ret < 0) {
- DRM_DEBUG_KMS("failed to read payload table status %d\n", ret);
- goto fail;
- }
-
- if (status & DP_PAYLOAD_ACT_HANDLED)
- break;
- count++;
- udelay(100);
-
- } while (count < 30);
-
- if (!(status & DP_PAYLOAD_ACT_HANDLED)) {
- DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count);
- ret = -EINVAL;
- goto fail;
+ /*
+ * There doesn't seem to be any recommended retry count or timeout in
+ * the MST specification. Since some hubs have been observed to take
+ * over 1 second to update their payload allocations under certain
+ * conditions, we use a rather large timeout value.
+ */
+ const int timeout_ms = 3000;
+ int ret, status;
+
+ ret = readx_poll_timeout(do_get_act_status, mgr->aux, status,
+ status & DP_PAYLOAD_ACT_HANDLED || status < 0,
+ 200, timeout_ms * USEC_PER_MSEC);
+ if (ret < 0 && status >= 0) {
+ DRM_ERROR("Failed to get ACT after %dms, last status: %02x\n",
+ timeout_ms, status);
+ return -EINVAL;
+ } else if (status < 0) {
+ /*
+ * Failure here isn't unexpected - the hub may have
+ * just been unplugged
+ */
+ DRM_DEBUG_KMS("Failed to read payload table status: %d\n",
+ status);
+ return status;
}
+
return 0;
-fail:
- return ret;
}
EXPORT_SYMBOL(drm_dp_check_act_status);
@@ -4669,28 +4633,18 @@ static void drm_dp_tx_work(struct work_struct *work)
struct drm_dp_mst_topology_mgr *mgr = container_of(work, struct drm_dp_mst_topology_mgr, tx_work);
mutex_lock(&mgr->qlock);
- if (!list_empty(&mgr->tx_msg_downq) && !mgr->is_waiting_for_dwn_reply)
+ if (!list_empty(&mgr->tx_msg_downq))
process_single_down_tx_qlock(mgr);
mutex_unlock(&mgr->qlock);
}
-static inline void drm_dp_destroy_connector(struct drm_dp_mst_port *port)
+static inline void
+drm_dp_delayed_destroy_port(struct drm_dp_mst_port *port)
{
- if (!port->connector)
- return;
-
- if (port->mgr->cbs->destroy_connector) {
- port->mgr->cbs->destroy_connector(port->mgr, port->connector);
- } else {
+ if (port->connector) {
drm_connector_unregister(port->connector);
drm_connector_put(port->connector);
}
-}
-
-static inline void
-drm_dp_delayed_destroy_port(struct drm_dp_mst_port *port)
-{
- drm_dp_destroy_connector(port);
drm_dp_port_set_pdt(port, DP_PEER_DEVICE_NONE, port->mcs);
drm_dp_mst_put_port_malloc(port);
@@ -4700,26 +4654,25 @@ static inline void
drm_dp_delayed_destroy_mstb(struct drm_dp_mst_branch *mstb)
{
struct drm_dp_mst_topology_mgr *mgr = mstb->mgr;
- struct drm_dp_mst_port *port, *tmp;
+ struct drm_dp_mst_port *port, *port_tmp;
+ struct drm_dp_sideband_msg_tx *txmsg, *txmsg_tmp;
bool wake_tx = false;
mutex_lock(&mgr->lock);
- list_for_each_entry_safe(port, tmp, &mstb->ports, next) {
+ list_for_each_entry_safe(port, port_tmp, &mstb->ports, next) {
list_del(&port->next);
drm_dp_mst_topology_put_port(port);
}
mutex_unlock(&mgr->lock);
- /* drop any tx slots msg */
+ /* drop any tx slot msg */
mutex_lock(&mstb->mgr->qlock);
- if (mstb->tx_slots[0]) {
- mstb->tx_slots[0]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[0] = NULL;
- wake_tx = true;
- }
- if (mstb->tx_slots[1]) {
- mstb->tx_slots[1]->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
- mstb->tx_slots[1] = NULL;
+ list_for_each_entry_safe(txmsg, txmsg_tmp, &mgr->tx_msg_downq, next) {
+ if (txmsg->dst != mstb)
+ continue;
+
+ txmsg->state = DRM_DP_SIDEBAND_TX_TIMEOUT;
+ list_del(&txmsg->next);
wake_tx = true;
}
mutex_unlock(&mstb->mgr->qlock);
@@ -5494,7 +5447,7 @@ struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port)
{
struct drm_dp_mst_port *immediate_upstream_port;
struct drm_dp_mst_port *fec_port;
- struct drm_dp_desc desc = { 0 };
+ struct drm_dp_desc desc = { };
u8 endpoint_fec;
u8 endpoint_dsc;
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 7b1a628d1f6e..bc38322f306e 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -39,6 +39,7 @@
#include <drm/drm_color_mgmt.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mode_object.h>
#include <drm/drm_print.h>
@@ -92,13 +93,27 @@ static struct drm_minor **drm_minor_get_slot(struct drm_device *dev,
}
}
+static void drm_minor_alloc_release(struct drm_device *dev, void *data)
+{
+ struct drm_minor *minor = data;
+ unsigned long flags;
+
+ WARN_ON(dev != minor->dev);
+
+ put_device(minor->kdev);
+
+ spin_lock_irqsave(&drm_minor_lock, flags);
+ idr_remove(&drm_minors_idr, minor->index);
+ spin_unlock_irqrestore(&drm_minor_lock, flags);
+}
+
static int drm_minor_alloc(struct drm_device *dev, unsigned int type)
{
struct drm_minor *minor;
unsigned long flags;
int r;
- minor = kzalloc(sizeof(*minor), GFP_KERNEL);
+ minor = drmm_kzalloc(dev, sizeof(*minor), GFP_KERNEL);
if (!minor)
return -ENOMEM;
@@ -116,46 +131,20 @@ static int drm_minor_alloc(struct drm_device *dev, unsigned int type)
idr_preload_end();
if (r < 0)
- goto err_free;
+ return r;
minor->index = r;
+ r = drmm_add_action_or_reset(dev, drm_minor_alloc_release, minor);
+ if (r)
+ return r;
+
minor->kdev = drm_sysfs_minor_alloc(minor);
- if (IS_ERR(minor->kdev)) {
- r = PTR_ERR(minor->kdev);
- goto err_index;
- }
+ if (IS_ERR(minor->kdev))
+ return PTR_ERR(minor->kdev);
*drm_minor_get_slot(dev, type) = minor;
return 0;
-
-err_index:
- spin_lock_irqsave(&drm_minor_lock, flags);
- idr_remove(&drm_minors_idr, minor->index);
- spin_unlock_irqrestore(&drm_minor_lock, flags);
-err_free:
- kfree(minor);
- return r;
-}
-
-static void drm_minor_free(struct drm_device *dev, unsigned int type)
-{
- struct drm_minor **slot, *minor;
- unsigned long flags;
-
- slot = drm_minor_get_slot(dev, type);
- minor = *slot;
- if (!minor)
- return;
-
- put_device(minor->kdev);
-
- spin_lock_irqsave(&drm_minor_lock, flags);
- idr_remove(&drm_minors_idr, minor->index);
- spin_unlock_irqrestore(&drm_minor_lock, flags);
-
- kfree(minor);
- *slot = NULL;
}
static int drm_minor_register(struct drm_device *dev, unsigned int type)
@@ -270,17 +259,22 @@ void drm_minor_release(struct drm_minor *minor)
* any other resources allocated at device initialization and drop the driver's
* reference to &drm_device using drm_dev_put().
*
- * Note that the lifetime rules for &drm_device instance has still a lot of
- * historical baggage. Hence use the reference counting provided by
- * drm_dev_get() and drm_dev_put() only carefully.
+ * Note that any allocation or resource which is visible to userspace must be
+ * released only when the final drm_dev_put() is called, and not when the
+ * driver is unbound from the underlying physical struct &device. Best to use
+ * &drm_device managed resources with drmm_add_action(), drmm_kmalloc() and
+ * related functions.
+ *
+ * devres managed resources like devm_kmalloc() can only be used for resources
+ * directly related to the underlying hardware device, and only used in code
+ * paths fully protected by drm_dev_enter() and drm_dev_exit().
*
* Display driver example
* ~~~~~~~~~~~~~~~~~~~~~~
*
* The following example shows a typical structure of a DRM display driver.
* The example focus on the probe() function and the other functions that is
- * almost always present and serves as a demonstration of devm_drm_dev_init()
- * usage with its accompanying drm_driver->release callback.
+ * almost always present and serves as a demonstration of devm_drm_dev_init().
*
* .. code-block:: c
*
@@ -290,19 +284,8 @@ void drm_minor_release(struct drm_minor *minor)
* struct clk *pclk;
* };
*
- * static void driver_drm_release(struct drm_device *drm)
- * {
- * struct driver_device *priv = container_of(...);
- *
- * drm_mode_config_cleanup(drm);
- * drm_dev_fini(drm);
- * kfree(priv->userspace_facing);
- * kfree(priv);
- * }
- *
* static struct drm_driver driver_drm_driver = {
* [...]
- * .release = driver_drm_release,
* };
*
* static int driver_probe(struct platform_device *pdev)
@@ -322,13 +305,16 @@ void drm_minor_release(struct drm_minor *minor)
*
* ret = devm_drm_dev_init(&pdev->dev, drm, &driver_drm_driver);
* if (ret) {
- * kfree(drm);
+ * kfree(priv);
* return ret;
* }
+ * drmm_add_final_kfree(drm, priv);
*
- * drm_mode_config_init(drm);
+ * ret = drmm_mode_config_init(drm);
+ * if (ret)
+ * return ret;
*
- * priv->userspace_facing = kzalloc(..., GFP_KERNEL);
+ * priv->userspace_facing = drmm_kzalloc(..., GFP_KERNEL);
* if (!priv->userspace_facing)
* return -ENOMEM;
*
@@ -580,6 +566,23 @@ static void drm_fs_inode_free(struct inode *inode)
* used.
*/
+static void drm_dev_init_release(struct drm_device *dev, void *res)
+{
+ drm_legacy_ctxbitmap_cleanup(dev);
+ drm_legacy_remove_map_hash(dev);
+ drm_fs_inode_free(dev->anon_inode);
+
+ put_device(dev->dev);
+ /* Prevent use-after-free in drm_managed_release when debugging is
+ * enabled. Slightly awkward, but can't really be helped. */
+ dev->dev = NULL;
+ mutex_destroy(&dev->master_mutex);
+ mutex_destroy(&dev->clientlist_mutex);
+ mutex_destroy(&dev->filelist_mutex);
+ mutex_destroy(&dev->struct_mutex);
+ drm_legacy_destroy_members(dev);
+}
+
/**
* drm_dev_init - Initialise new DRM device
* @dev: DRM device
@@ -608,6 +611,9 @@ static void drm_fs_inode_free(struct inode *inode)
* arbitrary offset, you must supply a &drm_driver.release callback and control
* the finalization explicitly.
*
+ * Note that drivers must call drmm_add_final_kfree() after this function has
+ * completed successfully.
+ *
* RETURNS:
* 0 on success, or error code on failure.
*/
@@ -629,6 +635,9 @@ int drm_dev_init(struct drm_device *dev,
dev->dev = get_device(parent);
dev->driver = driver;
+ INIT_LIST_HEAD(&dev->managed.resources);
+ spin_lock_init(&dev->managed.lock);
+
/* no per-device feature limits by default */
dev->driver_features = ~0u;
@@ -644,26 +653,30 @@ int drm_dev_init(struct drm_device *dev,
mutex_init(&dev->clientlist_mutex);
mutex_init(&dev->master_mutex);
+ ret = drmm_add_action(dev, drm_dev_init_release, NULL);
+ if (ret)
+ return ret;
+
dev->anon_inode = drm_fs_inode_new();
if (IS_ERR(dev->anon_inode)) {
ret = PTR_ERR(dev->anon_inode);
DRM_ERROR("Cannot allocate anonymous inode: %d\n", ret);
- goto err_free;
+ goto err;
}
if (drm_core_check_feature(dev, DRIVER_RENDER)) {
ret = drm_minor_alloc(dev, DRM_MINOR_RENDER);
if (ret)
- goto err_minors;
+ goto err;
}
ret = drm_minor_alloc(dev, DRM_MINOR_PRIMARY);
if (ret)
- goto err_minors;
+ goto err;
ret = drm_legacy_create_map_hash(dev);
if (ret)
- goto err_minors;
+ goto err;
drm_legacy_ctxbitmap_init(dev);
@@ -671,33 +684,19 @@ int drm_dev_init(struct drm_device *dev,
ret = drm_gem_init(dev);
if (ret) {
DRM_ERROR("Cannot initialize graphics execution manager (GEM)\n");
- goto err_ctxbitmap;
+ goto err;
}
}
ret = drm_dev_set_unique(dev, dev_name(parent));
if (ret)
- goto err_setunique;
+ goto err;
return 0;
-err_setunique:
- if (drm_core_check_feature(dev, DRIVER_GEM))
- drm_gem_destroy(dev);
-err_ctxbitmap:
- drm_legacy_ctxbitmap_cleanup(dev);
- drm_legacy_remove_map_hash(dev);
-err_minors:
- drm_minor_free(dev, DRM_MINOR_PRIMARY);
- drm_minor_free(dev, DRM_MINOR_RENDER);
- drm_fs_inode_free(dev->anon_inode);
-err_free:
- put_device(dev->dev);
- mutex_destroy(&dev->master_mutex);
- mutex_destroy(&dev->clientlist_mutex);
- mutex_destroy(&dev->filelist_mutex);
- mutex_destroy(&dev->struct_mutex);
- drm_legacy_destroy_members(dev);
+err:
+ drm_managed_release(dev);
+
return ret;
}
EXPORT_SYMBOL(drm_dev_init);
@@ -714,8 +713,10 @@ static void devm_drm_dev_init_release(void *data)
* @driver: DRM driver
*
* Managed drm_dev_init(). The DRM device initialized with this function is
- * automatically put on driver detach using drm_dev_put(). You must supply a
- * &drm_driver.release callback to control the finalization explicitly.
+ * automatically put on driver detach using drm_dev_put().
+ *
+ * Note that drivers must call drmm_add_final_kfree() after this function has
+ * completed successfully.
*
* RETURNS:
* 0 on success, or error code on failure.
@@ -726,9 +727,6 @@ int devm_drm_dev_init(struct device *parent,
{
int ret;
- if (WARN_ON(!driver->release))
- return -EINVAL;
-
ret = drm_dev_init(dev, driver, parent);
if (ret)
return ret;
@@ -741,42 +739,28 @@ int devm_drm_dev_init(struct device *parent,
}
EXPORT_SYMBOL(devm_drm_dev_init);
-/**
- * drm_dev_fini - Finalize a dead DRM device
- * @dev: DRM device
- *
- * Finalize a dead DRM device. This is the converse to drm_dev_init() and
- * frees up all data allocated by it. All driver private data should be
- * finalized first. Note that this function does not free the @dev, that is
- * left to the caller.
- *
- * The ref-count of @dev must be zero, and drm_dev_fini() should only be called
- * from a &drm_driver.release callback.
- */
-void drm_dev_fini(struct drm_device *dev)
+void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver,
+ size_t size, size_t offset)
{
- drm_vblank_cleanup(dev);
-
- if (drm_core_check_feature(dev, DRIVER_GEM))
- drm_gem_destroy(dev);
-
- drm_legacy_ctxbitmap_cleanup(dev);
- drm_legacy_remove_map_hash(dev);
- drm_fs_inode_free(dev->anon_inode);
+ void *container;
+ struct drm_device *drm;
+ int ret;
- drm_minor_free(dev, DRM_MINOR_PRIMARY);
- drm_minor_free(dev, DRM_MINOR_RENDER);
+ container = kzalloc(size, GFP_KERNEL);
+ if (!container)
+ return ERR_PTR(-ENOMEM);
- put_device(dev->dev);
+ drm = container + offset;
+ ret = devm_drm_dev_init(parent, drm, driver);
+ if (ret) {
+ kfree(container);
+ return ERR_PTR(ret);
+ }
+ drmm_add_final_kfree(drm, container);
- mutex_destroy(&dev->master_mutex);
- mutex_destroy(&dev->clientlist_mutex);
- mutex_destroy(&dev->filelist_mutex);
- mutex_destroy(&dev->struct_mutex);
- drm_legacy_destroy_members(dev);
- kfree(dev->unique);
+ return container;
}
-EXPORT_SYMBOL(drm_dev_fini);
+EXPORT_SYMBOL(__devm_drm_dev_alloc);
/**
* drm_dev_alloc - Allocate new DRM device
@@ -816,6 +800,8 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver,
return ERR_PTR(ret);
}
+ drmm_add_final_kfree(dev, dev);
+
return dev;
}
EXPORT_SYMBOL(drm_dev_alloc);
@@ -824,12 +810,13 @@ static void drm_dev_release(struct kref *ref)
{
struct drm_device *dev = container_of(ref, struct drm_device, ref);
- if (dev->driver->release) {
+ if (dev->driver->release)
dev->driver->release(dev);
- } else {
- drm_dev_fini(dev);
- kfree(dev);
- }
+
+ drm_managed_release(dev);
+
+ if (dev->managed.final_kfree)
+ kfree(dev->managed.final_kfree);
}
/**
@@ -946,6 +933,11 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
struct drm_driver *driver = dev->driver;
int ret;
+ if (!driver->load)
+ drm_mode_config_validate(dev);
+
+ WARN_ON(!dev->managed.final_kfree);
+
if (drm_dev_needs_global_mutex(dev))
mutex_lock(&drm_global_mutex);
@@ -1046,8 +1038,8 @@ EXPORT_SYMBOL(drm_dev_unregister);
*/
int drm_dev_set_unique(struct drm_device *dev, const char *name)
{
- kfree(dev->unique);
- dev->unique = kstrdup(name, GFP_KERNEL);
+ drmm_kfree(dev, dev->unique);
+ dev->unique = drmm_kstrdup(dev, name, GFP_KERNEL);
return dev->unique ? 0 : -ENOMEM;
}
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 116451101426..fed653f13c26 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -191,10 +191,11 @@ static const struct edid_quirk {
{ "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
{ "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
- /* Oculus Rift DK1, DK2, and CV1 VR Headsets */
+ /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
{ "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
{ "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
{ "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
+ { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
/* Windows Mixed Reality Headsets */
{ "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
@@ -1583,8 +1584,6 @@ module_param_named(edid_fixup, edid_fixup, int, 0400);
MODULE_PARM_DESC(edid_fixup,
"Minimum number of valid EDID header bytes (0-8, default 6)");
-static void drm_get_displayid(struct drm_connector *connector,
- struct edid *edid);
static int validate_displayid(u8 *displayid, int length, int idx);
static int drm_edid_block_checksum(const u8 *raw_edid)
@@ -2018,18 +2017,13 @@ EXPORT_SYMBOL(drm_probe_ddc);
struct edid *drm_get_edid(struct drm_connector *connector,
struct i2c_adapter *adapter)
{
- struct edid *edid;
-
if (connector->force == DRM_FORCE_OFF)
return NULL;
if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
return NULL;
- edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
- if (edid)
- drm_get_displayid(connector, edid);
- return edid;
+ return drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
}
EXPORT_SYMBOL(drm_get_edid);
@@ -2387,6 +2381,14 @@ bad_std_timing(u8 a, u8 b)
(a == 0x20 && b == 0x20);
}
+static int drm_mode_hsync(const struct drm_display_mode *mode)
+{
+ if (mode->htotal <= 0)
+ return 0;
+
+ return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
+}
+
/**
* drm_mode_std - convert standard mode info (width, height, refresh) into mode
* @connector: connector of for the EDID block
@@ -3212,16 +3214,33 @@ static u8 *drm_find_edid_extension(const struct edid *edid, int ext_id)
}
-static u8 *drm_find_displayid_extension(const struct edid *edid)
+static u8 *drm_find_displayid_extension(const struct edid *edid,
+ int *length, int *idx)
{
- return drm_find_edid_extension(edid, DISPLAYID_EXT);
+ u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT);
+ struct displayid_hdr *base;
+ int ret;
+
+ if (!displayid)
+ return NULL;
+
+ /* EDID extensions block checksum isn't for us */
+ *length = EDID_LENGTH - 1;
+ *idx = 1;
+
+ ret = validate_displayid(displayid, *length, *idx);
+ if (ret)
+ return NULL;
+
+ base = (struct displayid_hdr *)&displayid[*idx];
+ *length = *idx + sizeof(*base) + base->bytes;
+
+ return displayid;
}
static u8 *drm_find_cea_extension(const struct edid *edid)
{
- int ret;
- int idx = 1;
- int length = EDID_LENGTH;
+ int length, idx;
struct displayid_block *block;
u8 *cea;
u8 *displayid;
@@ -3232,14 +3251,10 @@ static u8 *drm_find_cea_extension(const struct edid *edid)
return cea;
/* CEA blocks can also be found embedded in a DisplayID block */
- displayid = drm_find_displayid_extension(edid);
+ displayid = drm_find_displayid_extension(edid, &length, &idx);
if (!displayid)
return NULL;
- ret = validate_displayid(displayid, length, idx);
- if (ret)
- return NULL;
-
idx += sizeof(struct displayid_hdr);
for_each_displayid_db(displayid, block, idx, length) {
if (block->tag == DATA_BLOCK_CTA) {
@@ -5084,7 +5099,7 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
static int validate_displayid(u8 *displayid, int length, int idx)
{
- int i;
+ int i, dispid_length;
u8 csum = 0;
struct displayid_hdr *base;
@@ -5093,15 +5108,18 @@ static int validate_displayid(u8 *displayid, int length, int idx)
DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
base->rev, base->bytes, base->prod_id, base->ext_count);
- if (base->bytes + 5 > length - idx)
+ /* +1 for DispID checksum */
+ dispid_length = sizeof(*base) + base->bytes + 1;
+ if (dispid_length > length - idx)
return -EINVAL;
- for (i = idx; i <= base->bytes + 5; i++) {
- csum += displayid[i];
- }
+
+ for (i = 0; i < dispid_length; i++)
+ csum += displayid[idx + i];
if (csum) {
DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
return -EINVAL;
}
+
return 0;
}
@@ -5111,7 +5129,7 @@ static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *d
struct drm_display_mode *mode;
unsigned pixel_clock = (timings->pixel_clock[0] |
(timings->pixel_clock[1] << 8) |
- (timings->pixel_clock[2] << 16));
+ (timings->pixel_clock[2] << 16)) + 1;
unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
@@ -5180,20 +5198,14 @@ static int add_displayid_detailed_modes(struct drm_connector *connector,
struct edid *edid)
{
u8 *displayid;
- int ret;
- int idx = 1;
- int length = EDID_LENGTH;
+ int length, idx;
struct displayid_block *block;
int num_modes = 0;
- displayid = drm_find_displayid_extension(edid);
+ displayid = drm_find_displayid_extension(edid, &length, &idx);
if (!displayid)
return 0;
- ret = validate_displayid(displayid, length, idx);
- if (ret)
- return 0;
-
idx += sizeof(struct displayid_hdr);
for_each_displayid_db(displayid, block, idx, length) {
switch (block->tag) {
@@ -5782,9 +5794,9 @@ drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
static int drm_parse_tiled_block(struct drm_connector *connector,
- struct displayid_block *block)
+ const struct displayid_block *block)
{
- struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
+ const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
u16 w, h;
u8 tile_v_loc, tile_h_loc;
u8 num_v_tile, num_h_tile;
@@ -5835,22 +5847,12 @@ static int drm_parse_tiled_block(struct drm_connector *connector,
return 0;
}
-static int drm_parse_display_id(struct drm_connector *connector,
- u8 *displayid, int length,
- bool is_edid_extension)
+static int drm_displayid_parse_tiled(struct drm_connector *connector,
+ const u8 *displayid, int length, int idx)
{
- /* if this is an EDID extension the first byte will be 0x70 */
- int idx = 0;
- struct displayid_block *block;
+ const struct displayid_block *block;
int ret;
- if (is_edid_extension)
- idx = 1;
-
- ret = validate_displayid(displayid, length, idx);
- if (ret)
- return ret;
-
idx += sizeof(struct displayid_hdr);
for_each_displayid_db(displayid, block, idx, length) {
DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
@@ -5862,12 +5864,6 @@ static int drm_parse_display_id(struct drm_connector *connector,
if (ret)
return ret;
break;
- case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
- /* handled in mode gathering code. */
- break;
- case DATA_BLOCK_CTA:
- /* handled in the cea parser code. */
- break;
default:
DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
break;
@@ -5876,19 +5872,21 @@ static int drm_parse_display_id(struct drm_connector *connector,
return 0;
}
-static void drm_get_displayid(struct drm_connector *connector,
- struct edid *edid)
+void drm_update_tile_info(struct drm_connector *connector,
+ const struct edid *edid)
{
- void *displayid = NULL;
+ const void *displayid = NULL;
+ int length, idx;
int ret;
+
connector->has_tile = false;
- displayid = drm_find_displayid_extension(edid);
+ displayid = drm_find_displayid_extension(edid, &length, &idx);
if (!displayid) {
/* drop reference to any tile group we had */
goto out_drop_ref;
}
- ret = drm_parse_display_id(connector, displayid, EDID_LENGTH, true);
+ ret = drm_displayid_parse_tiled(connector, displayid, length, idx);
if (ret < 0)
goto out_drop_ref;
if (!connector->has_tile)
diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
index 9801c0333eca..cb2349ad338d 100644
--- a/drivers/gpu/drm/drm_fb_cma_helper.c
+++ b/drivers/gpu/drm/drm_fb_cma_helper.c
@@ -2,7 +2,7 @@
/*
* drm kms/fb cma (contiguous memory allocator) helper functions
*
- * Copyright (C) 2012 Analog Device Inc.
+ * Copyright (C) 2012 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*
* Based on udl_fbdev.c
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index a9771de4d17e..02fc24026872 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -514,6 +514,14 @@ struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *fb_helper)
if (ret)
goto err_release;
+ /*
+ * TODO: We really should be smarter here and alloc an apperture
+ * for each IORESOURCE_MEM resource helper->dev->dev has and also
+ * init the ranges of the appertures based on the resources.
+ * Note some drivers currently count on there being only 1 empty
+ * aperture and fill this themselves, these will need to be dealt
+ * with somehow when fixing this.
+ */
info->apertures = alloc_apertures(1);
if (!info->apertures) {
ret = -ENOMEM;
@@ -2162,6 +2170,8 @@ static const struct drm_client_funcs drm_fbdev_client_funcs = {
*
* This function sets up generic fbdev emulation for drivers that supports
* dumb buffers with a virtual address and that can be mmap'ed.
+ * drm_fbdev_generic_setup() shall be called after the DRM driver registered
+ * the new DRM device with drm_dev_register().
*
* Restore, hotplug events and teardown are all taken care of. Drivers that do
* suspend/resume need to call drm_fb_helper_set_suspend_unlocked() themselves.
@@ -2178,29 +2188,30 @@ static const struct drm_client_funcs drm_fbdev_client_funcs = {
* Setup will be retried on the next hotplug event.
*
* The fbdev is destroyed by drm_dev_unregister().
- *
- * Returns:
- * Zero on success or negative error code on failure.
*/
-int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp)
+void drm_fbdev_generic_setup(struct drm_device *dev,
+ unsigned int preferred_bpp)
{
struct drm_fb_helper *fb_helper;
int ret;
- WARN(dev->fb_helper, "fb_helper is already set!\n");
+ drm_WARN(dev, !dev->registered, "Device has not been registered.\n");
+ drm_WARN(dev, dev->fb_helper, "fb_helper is already set!\n");
if (!drm_fbdev_emulation)
- return 0;
+ return;
fb_helper = kzalloc(sizeof(*fb_helper), GFP_KERNEL);
- if (!fb_helper)
- return -ENOMEM;
+ if (!fb_helper) {
+ drm_err(dev, "Failed to allocate fb_helper\n");
+ return;
+ }
ret = drm_client_init(dev, &fb_helper->client, "fbdev", &drm_fbdev_client_funcs);
if (ret) {
kfree(fb_helper);
drm_err(dev, "Failed to register client: %d\n", ret);
- return ret;
+ return;
}
if (!preferred_bpp)
@@ -2214,8 +2225,6 @@ int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp)
drm_dbg_kms(dev, "client hotplug ret=%d\n", ret);
drm_client_register(&fb_helper->client);
-
- return 0;
}
EXPORT_SYMBOL(drm_fbdev_generic_setup);
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index eb009d3ab48f..2f12b8c1d01c 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -569,9 +569,6 @@ ssize_t drm_read(struct file *filp, char __user *buffer,
struct drm_device *dev = file_priv->minor->dev;
ssize_t ret;
- if (!access_ok(buffer, count))
- return -EFAULT;
-
ret = mutex_lock_interruptible(&file_priv->event_read_lock);
if (ret)
return ret;
@@ -613,7 +610,8 @@ put_back_event:
file_priv->event_space -= length;
list_add(&e->link, &file_priv->event_list);
spin_unlock_irq(&dev->event_lock);
- wake_up_interruptible(&file_priv->event_wait);
+ wake_up_interruptible_poll(&file_priv->event_wait,
+ EPOLLIN | EPOLLRDNORM);
break;
}
@@ -809,7 +807,8 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e)
list_del(&e->pending_link);
list_add_tail(&e->link,
&e->file_priv->event_list);
- wake_up_interruptible(&e->file_priv->event_wait);
+ wake_up_interruptible_poll(&e->file_priv->event_wait,
+ EPOLLIN | EPOLLRDNORM);
}
EXPORT_SYMBOL(drm_send_event_locked);
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 57ac94ce9b9e..0375b3d7f8d0 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -1207,10 +1207,10 @@ static const struct drm_info_list drm_framebuffer_debugfs_list[] = {
{ "framebuffer", drm_framebuffer_info, 0 },
};
-int drm_framebuffer_debugfs_init(struct drm_minor *minor)
+void drm_framebuffer_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(drm_framebuffer_debugfs_list,
- ARRAY_SIZE(drm_framebuffer_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(drm_framebuffer_debugfs_list,
+ ARRAY_SIZE(drm_framebuffer_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 37627d06fb06..7bf628e13023 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -44,6 +44,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_gem.h>
+#include <drm/drm_managed.h>
#include <drm/drm_print.h>
#include <drm/drm_vma_manager.h>
@@ -77,6 +78,12 @@
* up at a later date, and as our interface with shmfs for memory allocation.
*/
+static void
+drm_gem_init_release(struct drm_device *dev, void *ptr)
+{
+ drm_vma_offset_manager_destroy(dev->vma_offset_manager);
+}
+
/**
* drm_gem_init - Initialize the GEM device fields
* @dev: drm_devic structure to initialize
@@ -89,7 +96,8 @@ drm_gem_init(struct drm_device *dev)
mutex_init(&dev->object_name_lock);
idr_init_base(&dev->object_name_idr, 1);
- vma_offset_manager = kzalloc(sizeof(*vma_offset_manager), GFP_KERNEL);
+ vma_offset_manager = drmm_kzalloc(dev, sizeof(*vma_offset_manager),
+ GFP_KERNEL);
if (!vma_offset_manager) {
DRM_ERROR("out of memory\n");
return -ENOMEM;
@@ -100,16 +108,7 @@ drm_gem_init(struct drm_device *dev)
DRM_FILE_PAGE_OFFSET_START,
DRM_FILE_PAGE_OFFSET_SIZE);
- return 0;
-}
-
-void
-drm_gem_destroy(struct drm_device *dev)
-{
-
- drm_vma_offset_manager_destroy(dev->vma_offset_manager);
- kfree(dev->vma_offset_manager);
- dev->vma_offset_manager = NULL;
+ return drmm_add_action(dev, drm_gem_init_release, NULL);
}
/**
@@ -432,7 +431,7 @@ err_unref:
* drm_gem_handle_create - create a gem handle for an object
* @file_priv: drm file-private structure to register the handle for
* @obj: object to register
- * @handlep: pionter to return the created handle to the caller
+ * @handlep: pointer to return the created handle to the caller
*
* Create a handle for this object. This adds a handle reference to the object,
* which includes a regular reference count. Callers will likely want to
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 3a7ace19a902..ccc2c71fa491 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -21,6 +21,13 @@
#include <drm/drm_modeset_helper.h>
#include <drm/drm_simple_kms_helper.h>
+#define AFBC_HEADER_SIZE 16
+#define AFBC_TH_LAYOUT_ALIGNMENT 8
+#define AFBC_HDR_ALIGN 64
+#define AFBC_SUPERBLOCK_PIXELS 256
+#define AFBC_SUPERBLOCK_ALIGNMENT 128
+#define AFBC_TH_BODY_START_ALIGNMENT 4096
+
/**
* DOC: overview
*
@@ -54,32 +61,25 @@ struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
}
EXPORT_SYMBOL_GPL(drm_gem_fb_get_obj);
-static struct drm_framebuffer *
-drm_gem_fb_alloc(struct drm_device *dev,
+static int
+drm_gem_fb_init(struct drm_device *dev,
+ struct drm_framebuffer *fb,
const struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object **obj, unsigned int num_planes,
const struct drm_framebuffer_funcs *funcs)
{
- struct drm_framebuffer *fb;
int ret, i;
- fb = kzalloc(sizeof(*fb), GFP_KERNEL);
- if (!fb)
- return ERR_PTR(-ENOMEM);
-
drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
for (i = 0; i < num_planes; i++)
fb->obj[i] = obj[i];
ret = drm_framebuffer_init(dev, fb, funcs);
- if (ret) {
+ if (ret)
drm_err(dev, "Failed to init framebuffer: %d\n", ret);
- kfree(fb);
- return ERR_PTR(ret);
- }
- return fb;
+ return ret;
}
/**
@@ -123,10 +123,13 @@ int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
EXPORT_SYMBOL(drm_gem_fb_create_handle);
/**
- * drm_gem_fb_create_with_funcs() - Helper function for the
- * &drm_mode_config_funcs.fb_create
- * callback
+ * drm_gem_fb_init_with_funcs() - Helper function for implementing
+ * &drm_mode_config_funcs.fb_create
+ * callback in cases when the driver
+ * allocates a subclass of
+ * struct drm_framebuffer
* @dev: DRM device
+ * @fb: framebuffer object
* @file: DRM file that holds the GEM handle(s) backing the framebuffer
* @mode_cmd: Metadata from the userspace framebuffer creation request
* @funcs: vtable to be used for the new framebuffer object
@@ -134,23 +137,26 @@ EXPORT_SYMBOL(drm_gem_fb_create_handle);
* This function can be used to set &drm_framebuffer_funcs for drivers that need
* custom framebuffer callbacks. Use drm_gem_fb_create() if you don't need to
* change &drm_framebuffer_funcs. The function does buffer size validation.
+ * The buffer size validation is for a general case, though, so users should
+ * pay attention to the checks being appropriate for them or, at least,
+ * non-conflicting.
*
* Returns:
- * Pointer to a &drm_framebuffer on success or an error pointer on failure.
+ * Zero or a negative error code.
*/
-struct drm_framebuffer *
-drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- const struct drm_framebuffer_funcs *funcs)
+int drm_gem_fb_init_with_funcs(struct drm_device *dev,
+ struct drm_framebuffer *fb,
+ struct drm_file *file,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_framebuffer_funcs *funcs)
{
const struct drm_format_info *info;
struct drm_gem_object *objs[4];
- struct drm_framebuffer *fb;
int ret, i;
info = drm_get_format_info(dev, mode_cmd);
if (!info)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
for (i = 0; i < info->num_planes; i++) {
unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
@@ -175,19 +181,55 @@ drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
}
}
- fb = drm_gem_fb_alloc(dev, mode_cmd, objs, i, funcs);
- if (IS_ERR(fb)) {
- ret = PTR_ERR(fb);
+ ret = drm_gem_fb_init(dev, fb, mode_cmd, objs, i, funcs);
+ if (ret)
goto err_gem_object_put;
- }
- return fb;
+ return 0;
err_gem_object_put:
for (i--; i >= 0; i--)
drm_gem_object_put_unlocked(objs[i]);
- return ERR_PTR(ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(drm_gem_fb_init_with_funcs);
+
+/**
+ * drm_gem_fb_create_with_funcs() - Helper function for the
+ * &drm_mode_config_funcs.fb_create
+ * callback
+ * @dev: DRM device
+ * @file: DRM file that holds the GEM handle(s) backing the framebuffer
+ * @mode_cmd: Metadata from the userspace framebuffer creation request
+ * @funcs: vtable to be used for the new framebuffer object
+ *
+ * This function can be used to set &drm_framebuffer_funcs for drivers that need
+ * custom framebuffer callbacks. Use drm_gem_fb_create() if you don't need to
+ * change &drm_framebuffer_funcs. The function does buffer size validation.
+ *
+ * Returns:
+ * Pointer to a &drm_framebuffer on success or an error pointer on failure.
+ */
+struct drm_framebuffer *
+drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_framebuffer_funcs *funcs)
+{
+ struct drm_framebuffer *fb;
+ int ret;
+
+ fb = kzalloc(sizeof(*fb), GFP_KERNEL);
+ if (!fb)
+ return ERR_PTR(-ENOMEM);
+
+ ret = drm_gem_fb_init_with_funcs(dev, fb, file, mode_cmd, funcs);
+ if (ret) {
+ kfree(fb);
+ return ERR_PTR(ret);
+ }
+
+ return fb;
}
EXPORT_SYMBOL_GPL(drm_gem_fb_create_with_funcs);
@@ -265,6 +307,132 @@ drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
}
EXPORT_SYMBOL_GPL(drm_gem_fb_create_with_dirty);
+static __u32 drm_gem_afbc_get_bpp(struct drm_device *dev,
+ const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ const struct drm_format_info *info;
+
+ info = drm_get_format_info(dev, mode_cmd);
+
+ /* use whatever a driver has set */
+ if (info->cpp[0])
+ return info->cpp[0] * 8;
+
+ /* guess otherwise */
+ switch (info->format) {
+ case DRM_FORMAT_YUV420_8BIT:
+ return 12;
+ case DRM_FORMAT_YUV420_10BIT:
+ return 15;
+ case DRM_FORMAT_VUY101010:
+ return 30;
+ default:
+ break;
+ }
+
+ /* all attempts failed */
+ return 0;
+}
+
+static int drm_gem_afbc_min_size(struct drm_device *dev,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_afbc_framebuffer *afbc_fb)
+{
+ __u32 n_blocks, w_alignment, h_alignment, hdr_alignment;
+ /* remove bpp when all users properly encode cpp in drm_format_info */
+ __u32 bpp;
+
+ switch (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK) {
+ case AFBC_FORMAT_MOD_BLOCK_SIZE_16x16:
+ afbc_fb->block_width = 16;
+ afbc_fb->block_height = 16;
+ break;
+ case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8:
+ afbc_fb->block_width = 32;
+ afbc_fb->block_height = 8;
+ break;
+ /* no user exists yet - fall through */
+ case AFBC_FORMAT_MOD_BLOCK_SIZE_64x4:
+ case AFBC_FORMAT_MOD_BLOCK_SIZE_32x8_64x4:
+ default:
+ drm_dbg_kms(dev, "Invalid AFBC_FORMAT_MOD_BLOCK_SIZE: %lld.\n",
+ mode_cmd->modifier[0]
+ & AFBC_FORMAT_MOD_BLOCK_SIZE_MASK);
+ return -EINVAL;
+ }
+
+ /* tiled header afbc */
+ w_alignment = afbc_fb->block_width;
+ h_alignment = afbc_fb->block_height;
+ hdr_alignment = AFBC_HDR_ALIGN;
+ if (mode_cmd->modifier[0] & AFBC_FORMAT_MOD_TILED) {
+ w_alignment *= AFBC_TH_LAYOUT_ALIGNMENT;
+ h_alignment *= AFBC_TH_LAYOUT_ALIGNMENT;
+ hdr_alignment = AFBC_TH_BODY_START_ALIGNMENT;
+ }
+
+ afbc_fb->aligned_width = ALIGN(mode_cmd->width, w_alignment);
+ afbc_fb->aligned_height = ALIGN(mode_cmd->height, h_alignment);
+ afbc_fb->offset = mode_cmd->offsets[0];
+
+ bpp = drm_gem_afbc_get_bpp(dev, mode_cmd);
+ if (!bpp) {
+ drm_dbg_kms(dev, "Invalid AFBC bpp value: %d\n", bpp);
+ return -EINVAL;
+ }
+
+ n_blocks = (afbc_fb->aligned_width * afbc_fb->aligned_height)
+ / AFBC_SUPERBLOCK_PIXELS;
+ afbc_fb->afbc_size = ALIGN(n_blocks * AFBC_HEADER_SIZE, hdr_alignment);
+ afbc_fb->afbc_size += n_blocks * ALIGN(bpp * AFBC_SUPERBLOCK_PIXELS / 8,
+ AFBC_SUPERBLOCK_ALIGNMENT);
+
+ return 0;
+}
+
+/**
+ * drm_gem_fb_afbc_init() - Helper function for drivers using afbc to
+ * fill and validate all the afbc-specific
+ * struct drm_afbc_framebuffer members
+ *
+ * @dev: DRM device
+ * @afbc_fb: afbc-specific framebuffer
+ * @mode_cmd: Metadata from the userspace framebuffer creation request
+ * @afbc_fb: afbc framebuffer
+ *
+ * This function can be used by drivers which support afbc to complete
+ * the preparation of struct drm_afbc_framebuffer. It must be called after
+ * allocating the said struct and calling drm_gem_fb_init_with_funcs().
+ * It is caller's responsibility to put afbc_fb->base.obj objects in case
+ * the call is unsuccessful.
+ *
+ * Returns:
+ * Zero on success or a negative error value on failure.
+ */
+int drm_gem_fb_afbc_init(struct drm_device *dev,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_afbc_framebuffer *afbc_fb)
+{
+ const struct drm_format_info *info;
+ struct drm_gem_object **objs;
+ int ret;
+
+ objs = afbc_fb->base.obj;
+ info = drm_get_format_info(dev, mode_cmd);
+ if (!info)
+ return -EINVAL;
+
+ ret = drm_gem_afbc_min_size(dev, mode_cmd, afbc_fb);
+ if (ret < 0)
+ return ret;
+
+ if (objs[0]->size < afbc_fb->afbc_size)
+ return -EINVAL;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(drm_gem_fb_afbc_init);
+
/**
* drm_gem_fb_prepare_fb() - Prepare a GEM backed framebuffer
* @plane: Plane
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 92a11bb42365..8b2d5c945c95 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -1,10 +1,13 @@
// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/module.h>
+
#include <drm/drm_debugfs.h>
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_gem_ttm_helper.h>
#include <drm/drm_gem_vram_helper.h>
#include <drm/drm_mode.h>
@@ -18,13 +21,93 @@ static const struct drm_gem_object_funcs drm_gem_vram_object_funcs;
/**
* DOC: overview
*
- * This library provides a GEM buffer object that is backed by video RAM
- * (VRAM). It can be used for framebuffer devices with dedicated memory.
+ * This library provides &struct drm_gem_vram_object (GEM VRAM), a GEM
+ * buffer object that is backed by video RAM (VRAM). It can be used for
+ * framebuffer devices with dedicated memory.
*
* The data structure &struct drm_vram_mm and its helpers implement a memory
- * manager for simple framebuffer devices with dedicated video memory. Buffer
- * objects are either placed in video RAM or evicted to system memory. The rsp.
- * buffer object is provided by &struct drm_gem_vram_object.
+ * manager for simple framebuffer devices with dedicated video memory. GEM
+ * VRAM buffer objects are either placed in the video memory or remain evicted
+ * to system memory.
+ *
+ * With the GEM interface userspace applications create, manage and destroy
+ * graphics buffers, such as an on-screen framebuffer. GEM does not provide
+ * an implementation of these interfaces. It's up to the DRM driver to
+ * provide an implementation that suits the hardware. If the hardware device
+ * contains dedicated video memory, the DRM driver can use the VRAM helper
+ * library. Each active buffer object is stored in video RAM. Active
+ * buffer are used for drawing the current frame, typically something like
+ * the frame's scanout buffer or the cursor image. If there's no more space
+ * left in VRAM, inactive GEM objects can be moved to system memory.
+ *
+ * The easiest way to use the VRAM helper library is to call
+ * drm_vram_helper_alloc_mm(). The function allocates and initializes an
+ * instance of &struct drm_vram_mm in &struct drm_device.vram_mm . Use
+ * &DRM_GEM_VRAM_DRIVER to initialize &struct drm_driver and
+ * &DRM_VRAM_MM_FILE_OPERATIONS to initialize &struct file_operations;
+ * as illustrated below.
+ *
+ * .. code-block:: c
+ *
+ * struct file_operations fops ={
+ * .owner = THIS_MODULE,
+ * DRM_VRAM_MM_FILE_OPERATION
+ * };
+ * struct drm_driver drv = {
+ * .driver_feature = DRM_ ... ,
+ * .fops = &fops,
+ * DRM_GEM_VRAM_DRIVER
+ * };
+ *
+ * int init_drm_driver()
+ * {
+ * struct drm_device *dev;
+ * uint64_t vram_base;
+ * unsigned long vram_size;
+ * int ret;
+ *
+ * // setup device, vram base and size
+ * // ...
+ *
+ * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size);
+ * if (ret)
+ * return ret;
+ * return 0;
+ * }
+ *
+ * This creates an instance of &struct drm_vram_mm, exports DRM userspace
+ * interfaces for GEM buffer management and initializes file operations to
+ * allow for accessing created GEM buffers. With this setup, the DRM driver
+ * manages an area of video RAM with VRAM MM and provides GEM VRAM objects
+ * to userspace.
+ *
+ * To clean up the VRAM memory management, call drm_vram_helper_release_mm()
+ * in the driver's clean-up code.
+ *
+ * .. code-block:: c
+ *
+ * void fini_drm_driver()
+ * {
+ * struct drm_device *dev = ...;
+ *
+ * drm_vram_helper_release_mm(dev);
+ * }
+ *
+ * For drawing or scanout operations, buffer object have to be pinned in video
+ * RAM. Call drm_gem_vram_pin() with &DRM_GEM_VRAM_PL_FLAG_VRAM or
+ * &DRM_GEM_VRAM_PL_FLAG_SYSTEM to pin a buffer object in video RAM or system
+ * memory. Call drm_gem_vram_unpin() to release the pinned object afterwards.
+ *
+ * A buffer object that is pinned in video RAM has a fixed address within that
+ * memory region. Call drm_gem_vram_offset() to retrieve this value. Typically
+ * it's used to program the hardware's scanout engine for framebuffers, set
+ * the cursor overlay's image for a mouse cursor, or use it as input to the
+ * hardware's draing engine.
+ *
+ * To access a buffer object's memory from the DRM driver, call
+ * drm_gem_vram_kmap(). It (optionally) maps the buffer into kernel address
+ * space and returns the memory address. Use drm_gem_vram_kunmap() to
+ * release the mapping.
*/
/*
@@ -670,9 +753,9 @@ EXPORT_SYMBOL(drm_gem_vram_driver_dumb_mmap_offset);
* @plane: a DRM plane
* @new_state: the plane's new state
*
- * During plane updates, this function pins the GEM VRAM
- * objects of the plane's new framebuffer to VRAM. Call
- * drm_gem_vram_plane_helper_cleanup_fb() to unpin them.
+ * During plane updates, this function sets the plane's fence and
+ * pins the GEM VRAM objects of the plane's new framebuffer to VRAM.
+ * Call drm_gem_vram_plane_helper_cleanup_fb() to unpin them.
*
* Returns:
* 0 on success, or
@@ -698,6 +781,10 @@ drm_gem_vram_plane_helper_prepare_fb(struct drm_plane *plane,
goto err_drm_gem_vram_unpin;
}
+ ret = drm_gem_fb_prepare_fb(plane, new_state);
+ if (ret)
+ goto err_drm_gem_vram_unpin;
+
return 0;
err_drm_gem_vram_unpin:
@@ -1018,7 +1105,6 @@ static struct ttm_bo_driver bo_driver = {
* struct drm_vram_mm
*/
-#if defined(CONFIG_DEBUG_FS)
static int drm_vram_mm_debugfs(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -1035,27 +1121,18 @@ static int drm_vram_mm_debugfs(struct seq_file *m, void *data)
static const struct drm_info_list drm_vram_mm_debugfs_list[] = {
{ "vram-mm", drm_vram_mm_debugfs, 0, NULL },
};
-#endif
/**
* drm_vram_mm_debugfs_init() - Register VRAM MM debugfs file.
*
* @minor: drm minor device.
*
- * Returns:
- * 0 on success, or
- * a negative error code otherwise.
*/
-int drm_vram_mm_debugfs_init(struct drm_minor *minor)
+void drm_vram_mm_debugfs_init(struct drm_minor *minor)
{
- int ret = 0;
-
-#if defined(CONFIG_DEBUG_FS)
- ret = drm_debugfs_create_files(drm_vram_mm_debugfs_list,
- ARRAY_SIZE(drm_vram_mm_debugfs_list),
- minor->debugfs_root, minor);
-#endif
- return ret;
+ drm_debugfs_create_files(drm_vram_mm_debugfs_list,
+ ARRAY_SIZE(drm_vram_mm_debugfs_list),
+ minor->debugfs_root, minor);
}
EXPORT_SYMBOL(drm_vram_mm_debugfs_init);
@@ -1202,3 +1279,6 @@ drm_vram_helper_mode_valid(struct drm_device *dev,
return drm_vram_helper_mode_valid_internal(dev, mode, max_bpp);
}
EXPORT_SYMBOL(drm_vram_helper_mode_valid);
+
+MODULE_DESCRIPTION("DRM VRAM memory-management helpers");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/drm_hdcp.c b/drivers/gpu/drm/drm_hdcp.c
index 7f386adcf872..910108ccaae1 100644
--- a/drivers/gpu/drm/drm_hdcp.c
+++ b/drivers/gpu/drm/drm_hdcp.c
@@ -241,8 +241,12 @@ static int drm_hdcp_request_srm(struct drm_device *drm_dev,
ret = request_firmware_direct(&fw, (const char *)fw_name,
drm_dev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ *revoked_ksv_cnt = 0;
+ *revoked_ksv_list = NULL;
+ ret = 0;
goto exit;
+ }
if (fw->size && fw->data)
ret = drm_hdcp_srm_update(fw->data, fw->size, revoked_ksv_list,
@@ -287,6 +291,8 @@ int drm_hdcp_check_ksvs_revoked(struct drm_device *drm_dev, u8 *ksvs,
ret = drm_hdcp_request_srm(drm_dev, &revoked_ksv_list,
&revoked_ksv_cnt);
+ if (ret)
+ return ret;
/* revoked_ksv_cnt will be zero when above function failed */
for (i = 0; i < revoked_ksv_cnt; i++)
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index 5714a78365ac..2470a352730b 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -89,9 +89,11 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr
struct drm_minor *drm_minor_acquire(unsigned int minor_id);
void drm_minor_release(struct drm_minor *minor);
+/* drm_managed.c */
+void drm_managed_release(struct drm_device *dev);
+
/* drm_vblank.c */
void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
-void drm_vblank_cleanup(struct drm_device *dev);
/* IOCTLS */
int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
@@ -141,7 +143,6 @@ void drm_sysfs_lease_event(struct drm_device *dev);
/* drm_gem.c */
struct drm_gem_object;
int drm_gem_init(struct drm_device *dev);
-void drm_gem_destroy(struct drm_device *dev);
int drm_gem_handle_create_tail(struct drm_file *file_priv,
struct drm_gem_object *obj,
u32 *handlep);
@@ -235,4 +236,4 @@ int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
/* drm_framebuffer.c */
void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
const struct drm_framebuffer *fb);
-int drm_framebuffer_debugfs_init(struct drm_minor *minor);
+void drm_framebuffer_debugfs_init(struct drm_minor *minor);
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 9e41972c4bbc..328502aafaf7 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -599,8 +599,8 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_legacy_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_legacy_getsareactx, DRM_AUTH),
- DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY),
- DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, 0),
+ DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, 0),
DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_legacy_addctx, DRM_AUTH|DRM_ROOT_ONLY),
DRM_LEGACY_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_legacy_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
@@ -741,7 +741,7 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
* };
*
* Please make sure that you follow all the best practices from
- * ``Documentation/ioctl/botching-up-ioctls.rst``. Note that drm_ioctl()
+ * ``Documentation/process/botching-up-ioctls.rst``. Note that drm_ioctl()
* automatically zero-extends structures, hence make sure you can add more stuff
* at the end, i.e. don't put a variable sized array there.
*
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c
new file mode 100644
index 000000000000..9cebfe370a65
--- /dev/null
+++ b/drivers/gpu/drm/drm_managed.c
@@ -0,0 +1,275 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Intel
+ *
+ * Based on drivers/base/devres.c
+ */
+
+#include <drm/drm_managed.h>
+
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_print.h>
+
+/**
+ * DOC: managed resources
+ *
+ * Inspired by struct &device managed resources, but tied to the lifetime of
+ * struct &drm_device, which can outlive the underlying physical device, usually
+ * when userspace has some open files and other handles to resources still open.
+ *
+ * Release actions can be added with drmm_add_action(), memory allocations can
+ * be done directly with drmm_kmalloc() and the related functions. Everything
+ * will be released on the final drm_dev_put() in reverse order of how the
+ * release actions have been added and memory has been allocated since driver
+ * loading started with drm_dev_init().
+ *
+ * Note that release actions and managed memory can also be added and removed
+ * during the lifetime of the driver, all the functions are fully concurrent
+ * safe. But it is recommended to use managed resources only for resources that
+ * change rarely, if ever, during the lifetime of the &drm_device instance.
+ */
+
+struct drmres_node {
+ struct list_head entry;
+ drmres_release_t release;
+ const char *name;
+ size_t size;
+};
+
+struct drmres {
+ struct drmres_node node;
+ /*
+ * Some archs want to perform DMA into kmalloc caches
+ * and need a guaranteed alignment larger than
+ * the alignment of a 64-bit integer.
+ * Thus we use ARCH_KMALLOC_MINALIGN here and get exactly the same
+ * buffer alignment as if it was allocated by plain kmalloc().
+ */
+ u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
+};
+
+static void free_dr(struct drmres *dr)
+{
+ kfree_const(dr->node.name);
+ kfree(dr);
+}
+
+void drm_managed_release(struct drm_device *dev)
+{
+ struct drmres *dr, *tmp;
+
+ drm_dbg_drmres(dev, "drmres release begin\n");
+ list_for_each_entry_safe(dr, tmp, &dev->managed.resources, node.entry) {
+ drm_dbg_drmres(dev, "REL %p %s (%zu bytes)\n",
+ dr, dr->node.name, dr->node.size);
+
+ if (dr->node.release)
+ dr->node.release(dev, dr->node.size ? *(void **)&dr->data : NULL);
+
+ list_del(&dr->node.entry);
+ free_dr(dr);
+ }
+ drm_dbg_drmres(dev, "drmres release end\n");
+}
+
+/*
+ * Always inline so that kmalloc_track_caller tracks the actual interesting
+ * caller outside of drm_managed.c.
+ */
+static __always_inline struct drmres * alloc_dr(drmres_release_t release,
+ size_t size, gfp_t gfp, int nid)
+{
+ size_t tot_size;
+ struct drmres *dr;
+
+ /* We must catch any near-SIZE_MAX cases that could overflow. */
+ if (unlikely(check_add_overflow(sizeof(*dr), size, &tot_size)))
+ return NULL;
+
+ dr = kmalloc_node_track_caller(tot_size, gfp, nid);
+ if (unlikely(!dr))
+ return NULL;
+
+ memset(dr, 0, offsetof(struct drmres, data));
+
+ INIT_LIST_HEAD(&dr->node.entry);
+ dr->node.release = release;
+ dr->node.size = size;
+
+ return dr;
+}
+
+static void del_dr(struct drm_device *dev, struct drmres *dr)
+{
+ list_del_init(&dr->node.entry);
+
+ drm_dbg_drmres(dev, "DEL %p %s (%lu bytes)\n",
+ dr, dr->node.name, (unsigned long) dr->node.size);
+}
+
+static void add_dr(struct drm_device *dev, struct drmres *dr)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->managed.lock, flags);
+ list_add(&dr->node.entry, &dev->managed.resources);
+ spin_unlock_irqrestore(&dev->managed.lock, flags);
+
+ drm_dbg_drmres(dev, "ADD %p %s (%lu bytes)\n",
+ dr, dr->node.name, (unsigned long) dr->node.size);
+}
+
+/**
+ * drmm_add_final_kfree - add release action for the final kfree()
+ * @dev: DRM device
+ * @container: pointer to the kmalloc allocation containing @dev
+ *
+ * Since the allocation containing the struct &drm_device must be allocated
+ * before it can be initialized with drm_dev_init() there's no way to allocate
+ * that memory with drmm_kmalloc(). To side-step this chicken-egg problem the
+ * pointer for this final kfree() must be specified by calling this function. It
+ * will be released in the final drm_dev_put() for @dev, after all other release
+ * actions installed through drmm_add_action() have been processed.
+ */
+void drmm_add_final_kfree(struct drm_device *dev, void *container)
+{
+ WARN_ON(dev->managed.final_kfree);
+ WARN_ON(dev < (struct drm_device *) container);
+ WARN_ON(dev + 1 > (struct drm_device *) (container + ksize(container)));
+ dev->managed.final_kfree = container;
+}
+EXPORT_SYMBOL(drmm_add_final_kfree);
+
+int __drmm_add_action(struct drm_device *dev,
+ drmres_release_t action,
+ void *data, const char *name)
+{
+ struct drmres *dr;
+ void **void_ptr;
+
+ dr = alloc_dr(action, data ? sizeof(void*) : 0,
+ GFP_KERNEL | __GFP_ZERO,
+ dev_to_node(dev->dev));
+ if (!dr) {
+ drm_dbg_drmres(dev, "failed to add action %s for %p\n",
+ name, data);
+ return -ENOMEM;
+ }
+
+ dr->node.name = kstrdup_const(name, GFP_KERNEL);
+ if (data) {
+ void_ptr = (void **)&dr->data;
+ *void_ptr = data;
+ }
+
+ add_dr(dev, dr);
+
+ return 0;
+}
+EXPORT_SYMBOL(__drmm_add_action);
+
+int __drmm_add_action_or_reset(struct drm_device *dev,
+ drmres_release_t action,
+ void *data, const char *name)
+{
+ int ret;
+
+ ret = __drmm_add_action(dev, action, data, name);
+ if (ret)
+ action(dev, data);
+
+ return ret;
+}
+EXPORT_SYMBOL(__drmm_add_action_or_reset);
+
+/**
+ * drmm_kmalloc - &drm_device managed kmalloc()
+ * @dev: DRM device
+ * @size: size of the memory allocation
+ * @gfp: GFP allocation flags
+ *
+ * This is a &drm_device managed version of kmalloc(). The allocated memory is
+ * automatically freed on the final drm_dev_put(). Memory can also be freed
+ * before the final drm_dev_put() by calling drmm_kfree().
+ */
+void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp)
+{
+ struct drmres *dr;
+
+ dr = alloc_dr(NULL, size, gfp, dev_to_node(dev->dev));
+ if (!dr) {
+ drm_dbg_drmres(dev, "failed to allocate %zu bytes, %u flags\n",
+ size, gfp);
+ return NULL;
+ }
+ dr->node.name = kstrdup_const("kmalloc", GFP_KERNEL);
+
+ add_dr(dev, dr);
+
+ return dr->data;
+}
+EXPORT_SYMBOL(drmm_kmalloc);
+
+/**
+ * drmm_kstrdup - &drm_device managed kstrdup()
+ * @dev: DRM device
+ * @s: 0-terminated string to be duplicated
+ * @gfp: GFP allocation flags
+ *
+ * This is a &drm_device managed version of kstrdup(). The allocated memory is
+ * automatically freed on the final drm_dev_put() and works exactly like a
+ * memory allocation obtained by drmm_kmalloc().
+ */
+char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp)
+{
+ size_t size;
+ char *buf;
+
+ if (!s)
+ return NULL;
+
+ size = strlen(s) + 1;
+ buf = drmm_kmalloc(dev, size, gfp);
+ if (buf)
+ memcpy(buf, s, size);
+ return buf;
+}
+EXPORT_SYMBOL_GPL(drmm_kstrdup);
+
+/**
+ * drmm_kfree - &drm_device managed kfree()
+ * @dev: DRM device
+ * @data: memory allocation to be freed
+ *
+ * This is a &drm_device managed version of kfree() which can be used to
+ * release memory allocated through drmm_kmalloc() or any of its related
+ * functions before the final drm_dev_put() of @dev.
+ */
+void drmm_kfree(struct drm_device *dev, void *data)
+{
+ struct drmres *dr_match = NULL, *dr;
+ unsigned long flags;
+
+ if (!data)
+ return;
+
+ spin_lock_irqsave(&dev->managed.lock, flags);
+ list_for_each_entry(dr, &dev->managed.resources, node.entry) {
+ if (dr->data == data) {
+ dr_match = dr;
+ del_dr(dev, dr_match);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&dev->managed.lock, flags);
+
+ if (WARN_ON(!dr_match))
+ return;
+
+ free_dr(dr_match);
+}
+EXPORT_SYMBOL(drmm_kfree);
diff --git a/drivers/gpu/drm/drm_mipi_dbi.c b/drivers/gpu/drm/drm_mipi_dbi.c
index 558baf989f5a..bb27c82757f1 100644
--- a/drivers/gpu/drm/drm_mipi_dbi.c
+++ b/drivers/gpu/drm/drm_mipi_dbi.c
@@ -169,7 +169,8 @@ int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len)
EXPORT_SYMBOL(mipi_dbi_command_buf);
/* This should only be used by mipi_dbi_command() */
-int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len)
+int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
+ size_t len)
{
u8 *buf;
int ret;
@@ -510,6 +511,10 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
if (!dbidev->dbi.command)
return -EINVAL;
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ret;
+
dbidev->tx_buf = devm_kmalloc(drm->dev, tx_buf_size, GFP_KERNEL);
if (!dbidev->tx_buf)
return -ENOMEM;
@@ -579,26 +584,6 @@ int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
EXPORT_SYMBOL(mipi_dbi_dev_init);
/**
- * mipi_dbi_release - DRM driver release helper
- * @drm: DRM device
- *
- * This function finalizes and frees &mipi_dbi.
- *
- * Drivers can use this as their &drm_driver->release callback.
- */
-void mipi_dbi_release(struct drm_device *drm)
-{
- struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(drm);
-
- DRM_DEBUG_DRIVER("\n");
-
- drm_mode_config_cleanup(drm);
- drm_dev_fini(drm);
- kfree(dbidev);
-}
-EXPORT_SYMBOL(mipi_dbi_release);
-
-/**
* mipi_dbi_hw_reset - Hardware reset of controller
* @dbi: MIPI DBI structure
*
@@ -1308,10 +1293,8 @@ static const struct file_operations mipi_dbi_debugfs_command_fops = {
* controller or getting the read command values.
* Drivers can use this as their &drm_driver->debugfs_init callback.
*
- * Returns:
- * Zero on success, negative error code on failure.
*/
-int mipi_dbi_debugfs_init(struct drm_minor *minor)
+void mipi_dbi_debugfs_init(struct drm_minor *minor)
{
struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(minor->dev);
umode_t mode = S_IFREG | S_IWUSR;
@@ -1320,8 +1303,6 @@ int mipi_dbi_debugfs_init(struct drm_minor *minor)
mode |= S_IRUGO;
debugfs_create_file("command", mode, minor->debugfs_root, dbidev,
&mipi_dbi_debugfs_command_fops);
-
- return 0;
}
EXPORT_SYMBOL(mipi_dbi_debugfs_init);
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 8981abe8b7c9..f4ca1ff80af9 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -212,20 +212,6 @@ static void drm_mm_interval_tree_add_node(struct drm_mm_node *hole_node,
&drm_mm_interval_tree_augment);
}
-#define RB_INSERT(root, member, expr) do { \
- struct rb_node **link = &root.rb_node, *rb = NULL; \
- u64 x = expr(node); \
- while (*link) { \
- rb = *link; \
- if (x < expr(rb_entry(rb, struct drm_mm_node, member))) \
- link = &rb->rb_left; \
- else \
- link = &rb->rb_right; \
- } \
- rb_link_node(&node->member, rb, link); \
- rb_insert_color(&node->member, &root); \
-} while (0)
-
#define HOLE_SIZE(NODE) ((NODE)->hole_size)
#define HOLE_ADDR(NODE) (__drm_mm_hole_node_start(NODE))
@@ -255,16 +241,42 @@ static void insert_hole_size(struct rb_root_cached *root,
rb_insert_color_cached(&node->rb_hole_size, root, first);
}
+RB_DECLARE_CALLBACKS_MAX(static, augment_callbacks,
+ struct drm_mm_node, rb_hole_addr,
+ u64, subtree_max_hole, HOLE_SIZE)
+
+static void insert_hole_addr(struct rb_root *root, struct drm_mm_node *node)
+{
+ struct rb_node **link = &root->rb_node, *rb_parent = NULL;
+ u64 start = HOLE_ADDR(node), subtree_max_hole = node->subtree_max_hole;
+ struct drm_mm_node *parent;
+
+ while (*link) {
+ rb_parent = *link;
+ parent = rb_entry(rb_parent, struct drm_mm_node, rb_hole_addr);
+ if (parent->subtree_max_hole < subtree_max_hole)
+ parent->subtree_max_hole = subtree_max_hole;
+ if (start < HOLE_ADDR(parent))
+ link = &parent->rb_hole_addr.rb_left;
+ else
+ link = &parent->rb_hole_addr.rb_right;
+ }
+
+ rb_link_node(&node->rb_hole_addr, rb_parent, link);
+ rb_insert_augmented(&node->rb_hole_addr, root, &augment_callbacks);
+}
+
static void add_hole(struct drm_mm_node *node)
{
struct drm_mm *mm = node->mm;
node->hole_size =
__drm_mm_hole_node_end(node) - __drm_mm_hole_node_start(node);
+ node->subtree_max_hole = node->hole_size;
DRM_MM_BUG_ON(!drm_mm_hole_follows(node));
insert_hole_size(&mm->holes_size, node);
- RB_INSERT(mm->holes_addr, rb_hole_addr, HOLE_ADDR);
+ insert_hole_addr(&mm->holes_addr, node);
list_add(&node->hole_stack, &mm->hole_stack);
}
@@ -275,8 +287,10 @@ static void rm_hole(struct drm_mm_node *node)
list_del(&node->hole_stack);
rb_erase_cached(&node->rb_hole_size, &node->mm->holes_size);
- rb_erase(&node->rb_hole_addr, &node->mm->holes_addr);
+ rb_erase_augmented(&node->rb_hole_addr, &node->mm->holes_addr,
+ &augment_callbacks);
node->hole_size = 0;
+ node->subtree_max_hole = 0;
DRM_MM_BUG_ON(drm_mm_hole_follows(node));
}
@@ -361,9 +375,90 @@ first_hole(struct drm_mm *mm,
}
}
+/**
+ * next_hole_high_addr - returns next hole for a DRM_MM_INSERT_HIGH mode request
+ * @entry: previously selected drm_mm_node
+ * @size: size of the a hole needed for the request
+ *
+ * This function will verify whether left subtree of @entry has hole big enough
+ * to fit the requtested size. If so, it will return previous node of @entry or
+ * else it will return parent node of @entry
+ *
+ * It will also skip the complete left subtree if subtree_max_hole of that
+ * subtree is same as the subtree_max_hole of the @entry.
+ *
+ * Returns:
+ * previous node of @entry if left subtree of @entry can serve the request or
+ * else return parent of @entry
+ */
+static struct drm_mm_node *
+next_hole_high_addr(struct drm_mm_node *entry, u64 size)
+{
+ struct rb_node *rb_node, *left_rb_node, *parent_rb_node;
+ struct drm_mm_node *left_node;
+
+ if (!entry)
+ return NULL;
+
+ rb_node = &entry->rb_hole_addr;
+ if (rb_node->rb_left) {
+ left_rb_node = rb_node->rb_left;
+ parent_rb_node = rb_parent(rb_node);
+ left_node = rb_entry(left_rb_node,
+ struct drm_mm_node, rb_hole_addr);
+ if ((left_node->subtree_max_hole < size ||
+ entry->size == entry->subtree_max_hole) &&
+ parent_rb_node && parent_rb_node->rb_left != rb_node)
+ return rb_hole_addr_to_node(parent_rb_node);
+ }
+
+ return rb_hole_addr_to_node(rb_prev(rb_node));
+}
+
+/**
+ * next_hole_low_addr - returns next hole for a DRM_MM_INSERT_LOW mode request
+ * @entry: previously selected drm_mm_node
+ * @size: size of the a hole needed for the request
+ *
+ * This function will verify whether right subtree of @entry has hole big enough
+ * to fit the requtested size. If so, it will return next node of @entry or
+ * else it will return parent node of @entry
+ *
+ * It will also skip the complete right subtree if subtree_max_hole of that
+ * subtree is same as the subtree_max_hole of the @entry.
+ *
+ * Returns:
+ * next node of @entry if right subtree of @entry can serve the request or
+ * else return parent of @entry
+ */
+static struct drm_mm_node *
+next_hole_low_addr(struct drm_mm_node *entry, u64 size)
+{
+ struct rb_node *rb_node, *right_rb_node, *parent_rb_node;
+ struct drm_mm_node *right_node;
+
+ if (!entry)
+ return NULL;
+
+ rb_node = &entry->rb_hole_addr;
+ if (rb_node->rb_right) {
+ right_rb_node = rb_node->rb_right;
+ parent_rb_node = rb_parent(rb_node);
+ right_node = rb_entry(right_rb_node,
+ struct drm_mm_node, rb_hole_addr);
+ if ((right_node->subtree_max_hole < size ||
+ entry->size == entry->subtree_max_hole) &&
+ parent_rb_node && parent_rb_node->rb_right != rb_node)
+ return rb_hole_addr_to_node(parent_rb_node);
+ }
+
+ return rb_hole_addr_to_node(rb_next(rb_node));
+}
+
static struct drm_mm_node *
next_hole(struct drm_mm *mm,
struct drm_mm_node *node,
+ u64 size,
enum drm_mm_insert_mode mode)
{
switch (mode) {
@@ -372,10 +467,10 @@ next_hole(struct drm_mm *mm,
return rb_hole_size_to_node(rb_prev(&node->rb_hole_size));
case DRM_MM_INSERT_LOW:
- return rb_hole_addr_to_node(rb_next(&node->rb_hole_addr));
+ return next_hole_low_addr(node, size);
case DRM_MM_INSERT_HIGH:
- return rb_hole_addr_to_node(rb_prev(&node->rb_hole_addr));
+ return next_hole_high_addr(node, size);
case DRM_MM_INSERT_EVICT:
node = list_next_entry(node, hole_stack);
@@ -489,7 +584,7 @@ int drm_mm_insert_node_in_range(struct drm_mm * const mm,
remainder_mask = is_power_of_2(alignment) ? alignment - 1 : 0;
for (hole = first_hole(mm, range_start, range_end, size, mode);
hole;
- hole = once ? NULL : next_hole(mm, hole, mode)) {
+ hole = once ? NULL : next_hole(mm, hole, size, mode)) {
u64 hole_start = __drm_mm_hole_node_start(hole);
u64 hole_end = hole_start + hole->hole_size;
u64 adj_start, adj_end;
diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
index 08e6eff6a179..5761f838a057 100644
--- a/drivers/gpu/drm/drm_mode_config.c
+++ b/drivers/gpu/drm/drm_mode_config.c
@@ -25,6 +25,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_encoder.h>
#include <drm/drm_file.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mode_config.h>
#include <drm/drm_print.h>
#include <linux/dma-resv.h>
@@ -373,8 +374,14 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
return 0;
}
+static void drm_mode_config_init_release(struct drm_device *dev, void *ptr)
+{
+ drm_mode_config_cleanup(dev);
+}
+
/**
- * drm_mode_config_init - initialize DRM mode_configuration structure
+ * drmm_mode_config_init - managed DRM mode_configuration structure
+ * initialization
* @dev: DRM device
*
* Initialize @dev's mode_config structure, used for tracking the graphics
@@ -384,8 +391,12 @@ static int drm_mode_create_standard_properties(struct drm_device *dev)
* problem, since this should happen single threaded at init time. It is the
* driver's problem to ensure this guarantee.
*
+ * Cleanup is automatically handled through registering drm_mode_config_cleanup
+ * with drmm_add_action().
+ *
+ * Returns: 0 on success, negative error value on failure.
*/
-void drm_mode_config_init(struct drm_device *dev)
+int drmm_mode_config_init(struct drm_device *dev)
{
mutex_init(&dev->mode_config.mutex);
drm_modeset_lock_init(&dev->mode_config.connection_mutex);
@@ -443,8 +454,11 @@ void drm_mode_config_init(struct drm_device *dev)
drm_modeset_acquire_fini(&modeset_ctx);
dma_resv_fini(&resv);
}
+
+ return drmm_add_action_or_reset(dev, drm_mode_config_init_release,
+ NULL);
}
-EXPORT_SYMBOL(drm_mode_config_init);
+EXPORT_SYMBOL(drmm_mode_config_init);
/**
* drm_mode_config_cleanup - free up DRM mode_config info
@@ -456,6 +470,9 @@ EXPORT_SYMBOL(drm_mode_config_init);
* Note that since this /should/ happen single-threaded at driver/device
* teardown time, no locking is required. It's the driver's job to ensure that
* this guarantee actually holds true.
+ *
+ * FIXME: With the managed drmm_mode_config_init() it is no longer necessary for
+ * drivers to explicitly call this function.
*/
void drm_mode_config_cleanup(struct drm_device *dev)
{
@@ -532,3 +549,90 @@ void drm_mode_config_cleanup(struct drm_device *dev)
drm_modeset_lock_fini(&dev->mode_config.connection_mutex);
}
EXPORT_SYMBOL(drm_mode_config_cleanup);
+
+static u32 full_encoder_mask(struct drm_device *dev)
+{
+ struct drm_encoder *encoder;
+ u32 encoder_mask = 0;
+
+ drm_for_each_encoder(encoder, dev)
+ encoder_mask |= drm_encoder_mask(encoder);
+
+ return encoder_mask;
+}
+
+/*
+ * For some reason we want the encoder itself included in
+ * possible_clones. Make life easy for drivers by allowing them
+ * to leave possible_clones unset if no cloning is possible.
+ */
+static void fixup_encoder_possible_clones(struct drm_encoder *encoder)
+{
+ if (encoder->possible_clones == 0)
+ encoder->possible_clones = drm_encoder_mask(encoder);
+}
+
+static void validate_encoder_possible_clones(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ u32 encoder_mask = full_encoder_mask(dev);
+ struct drm_encoder *other;
+
+ drm_for_each_encoder(other, dev) {
+ WARN(!!(encoder->possible_clones & drm_encoder_mask(other)) !=
+ !!(other->possible_clones & drm_encoder_mask(encoder)),
+ "possible_clones mismatch: "
+ "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x vs. "
+ "[ENCODER:%d:%s] mask=0x%x possible_clones=0x%x\n",
+ encoder->base.id, encoder->name,
+ drm_encoder_mask(encoder), encoder->possible_clones,
+ other->base.id, other->name,
+ drm_encoder_mask(other), other->possible_clones);
+ }
+
+ WARN((encoder->possible_clones & drm_encoder_mask(encoder)) == 0 ||
+ (encoder->possible_clones & ~encoder_mask) != 0,
+ "Bogus possible_clones: "
+ "[ENCODER:%d:%s] possible_clones=0x%x (full encoder mask=0x%x)\n",
+ encoder->base.id, encoder->name,
+ encoder->possible_clones, encoder_mask);
+}
+
+static u32 full_crtc_mask(struct drm_device *dev)
+{
+ struct drm_crtc *crtc;
+ u32 crtc_mask = 0;
+
+ drm_for_each_crtc(crtc, dev)
+ crtc_mask |= drm_crtc_mask(crtc);
+
+ return crtc_mask;
+}
+
+static void validate_encoder_possible_crtcs(struct drm_encoder *encoder)
+{
+ u32 crtc_mask = full_crtc_mask(encoder->dev);
+
+ WARN((encoder->possible_crtcs & crtc_mask) == 0 ||
+ (encoder->possible_crtcs & ~crtc_mask) != 0,
+ "Bogus possible_crtcs: "
+ "[ENCODER:%d:%s] possible_crtcs=0x%x (full crtc mask=0x%x)\n",
+ encoder->base.id, encoder->name,
+ encoder->possible_crtcs, crtc_mask);
+}
+
+void drm_mode_config_validate(struct drm_device *dev)
+{
+ struct drm_encoder *encoder;
+
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
+ drm_for_each_encoder(encoder, dev)
+ fixup_encoder_possible_clones(encoder);
+
+ drm_for_each_encoder(encoder, dev) {
+ validate_encoder_possible_clones(encoder);
+ validate_encoder_possible_crtcs(encoder);
+ }
+}
diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c
index 35c2719407a8..901b078abf40 100644
--- a/drivers/gpu/drm/drm_mode_object.c
+++ b/drivers/gpu/drm/drm_mode_object.c
@@ -402,12 +402,13 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
{
struct drm_mode_obj_get_properties *arg = data;
struct drm_mode_object *obj;
+ struct drm_modeset_acquire_ctx ctx;
int ret = 0;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EOPNOTSUPP;
- drm_modeset_lock_all(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
obj = drm_mode_object_find(dev, file_priv, arg->obj_id, arg->obj_type);
if (!obj) {
@@ -427,7 +428,7 @@ int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
out_unref:
drm_mode_object_put(obj);
out:
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(ctx, ret);
return ret;
}
@@ -449,12 +450,13 @@ static int set_property_legacy(struct drm_mode_object *obj,
{
struct drm_device *dev = prop->dev;
struct drm_mode_object *ref;
+ struct drm_modeset_acquire_ctx ctx;
int ret = -EINVAL;
if (!drm_property_change_valid_get(prop, prop_value, &ref))
return -EINVAL;
- drm_modeset_lock_all(dev);
+ DRM_MODESET_LOCK_ALL_BEGIN(dev, ctx, 0, ret);
switch (obj->type) {
case DRM_MODE_OBJECT_CONNECTOR:
ret = drm_connector_set_obj_prop(obj, prop, prop_value);
@@ -468,7 +470,7 @@ static int set_property_legacy(struct drm_mode_object *obj,
break;
}
drm_property_change_valid_put(prop, ref);
- drm_modeset_unlock_all(dev);
+ DRM_MODESET_LOCK_ALL_END(ctx, ret);
return ret;
}
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index d4d64518e11b..fec1c33b3045 100644
--- a/drivers/gpu/drm/drm_modes.c
+++ b/drivers/gpu/drm/drm_modes.c
@@ -748,32 +748,6 @@ void drm_mode_set_name(struct drm_display_mode *mode)
EXPORT_SYMBOL(drm_mode_set_name);
/**
- * drm_mode_hsync - get the hsync of a mode
- * @mode: mode
- *
- * Returns:
- * @modes's hsync rate in kHz, rounded to the nearest integer. Calculates the
- * value first if it is not yet set.
- */
-int drm_mode_hsync(const struct drm_display_mode *mode)
-{
- unsigned int calc_val;
-
- if (mode->hsync)
- return mode->hsync;
-
- if (mode->htotal <= 0)
- return 0;
-
- calc_val = (mode->clock * 1000) / mode->htotal; /* hsync in Hz */
- calc_val += 500; /* round to 1000Hz */
- calc_val /= 1000; /* truncate to kHz */
-
- return calc_val;
-}
-EXPORT_SYMBOL(drm_mode_hsync);
-
-/**
* drm_mode_vrefresh - get the vrefresh of a mode
* @mode: mode
*
diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c
index 81aa21561982..75e2b7053f35 100644
--- a/drivers/gpu/drm/drm_pci.c
+++ b/drivers/gpu/drm/drm_pci.c
@@ -30,12 +30,13 @@
#include <drm/drm.h>
#include <drm/drm_agpsupport.h>
#include <drm/drm_drv.h>
-#include <drm/drm_pci.h>
#include <drm/drm_print.h>
#include "drm_internal.h"
#include "drm_legacy.h"
+#ifdef CONFIG_DRM_LEGACY
+
/**
* drm_pci_alloc - Allocate a PCI consistent memory block, for DMA.
* @dev: DRM device
@@ -93,6 +94,7 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
}
EXPORT_SYMBOL(drm_pci_free);
+#endif
static int drm_get_pci_domain(struct drm_device *dev)
{
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index d6ad60ab0d38..4af173ced327 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -289,6 +289,8 @@ EXPORT_SYMBOL(drm_universal_plane_init);
int drm_plane_register_all(struct drm_device *dev)
{
+ unsigned int num_planes = 0;
+ unsigned int num_zpos = 0;
struct drm_plane *plane;
int ret = 0;
@@ -297,8 +299,15 @@ int drm_plane_register_all(struct drm_device *dev)
ret = plane->funcs->late_register(plane);
if (ret)
return ret;
+
+ if (plane->zpos_property)
+ num_zpos++;
+ num_planes++;
}
+ drm_WARN(dev, num_zpos && num_planes != num_zpos,
+ "Mixing planes with and without zpos property is invalid\n");
+
return 0;
}
diff --git a/drivers/gpu/drm/drm_scatter.c b/drivers/gpu/drm/drm_scatter.c
index ca520028b2cb..f4e6184d1877 100644
--- a/drivers/gpu/drm/drm_scatter.c
+++ b/drivers/gpu/drm/drm_scatter.c
@@ -43,15 +43,6 @@
#define DEBUG_SCATTER 0
-static inline void *drm_vmalloc_dma(unsigned long size)
-{
-#if defined(__powerpc__) && defined(CONFIG_NOT_COHERENT_CACHE)
- return __vmalloc(size, GFP_KERNEL, pgprot_noncached_wc(PAGE_KERNEL));
-#else
- return vmalloc_32(size);
-#endif
-}
-
static void drm_sg_cleanup(struct drm_sg_mem * entry)
{
struct page *page;
@@ -126,7 +117,7 @@ int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
return -ENOMEM;
}
- entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT);
+ entry->virtual = vmalloc_32(pages << PAGE_SHIFT);
if (!entry->virtual) {
kfree(entry->busaddr);
kfree(entry->pagelist);
diff --git a/drivers/gpu/drm/drm_vblank.c b/drivers/gpu/drm/drm_vblank.c
index da7b0b0c1090..2d5ce690d214 100644
--- a/drivers/gpu/drm/drm_vblank.c
+++ b/drivers/gpu/drm/drm_vblank.c
@@ -30,6 +30,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_drv.h>
#include <drm/drm_framebuffer.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_print.h>
#include <drm/drm_vblank.h>
@@ -40,6 +41,69 @@
/**
* DOC: vblank handling
*
+ * From the computer's perspective, every time the monitor displays
+ * a new frame the scanout engine has "scanned out" the display image
+ * from top to bottom, one row of pixels at a time. The current row
+ * of pixels is referred to as the current scanline.
+ *
+ * In addition to the display's visible area, there's usually a couple of
+ * extra scanlines which aren't actually displayed on the screen.
+ * These extra scanlines don't contain image data and are occasionally used
+ * for features like audio and infoframes. The region made up of these
+ * scanlines is referred to as the vertical blanking region, or vblank for
+ * short.
+ *
+ * For historical reference, the vertical blanking period was designed to
+ * give the electron gun (on CRTs) enough time to move back to the top of
+ * the screen to start scanning out the next frame. Similar for horizontal
+ * blanking periods. They were designed to give the electron gun enough
+ * time to move back to the other side of the screen to start scanning the
+ * next scanline.
+ *
+ * ::
+ *
+ *
+ * physical → ⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽
+ * top of | |
+ * display | |
+ * | New frame |
+ * | |
+ * |↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓|
+ * |~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| ← Scanline,
+ * |↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓| updates the
+ * | | frame as it
+ * | | travels down
+ * | | ("sacn out")
+ * | Old frame |
+ * | |
+ * | |
+ * | |
+ * | | physical
+ * | | bottom of
+ * vertical |⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽| ← display
+ * blanking ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆
+ * region → ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆
+ * ┆xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx┆
+ * start of → ⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽⎽
+ * new frame
+ *
+ * "Physical top of display" is the reference point for the high-precision/
+ * corrected timestamp.
+ *
+ * On a lot of display hardware, programming needs to take effect during the
+ * vertical blanking period so that settings like gamma, the image buffer
+ * buffer to be scanned out, etc. can safely be changed without showing
+ * any visual artifacts on the screen. In some unforgiving hardware, some of
+ * this programming has to both start and end in the same vblank. To help
+ * with the timing of the hardware programming, an interrupt is usually
+ * available to notify the driver when it can start the updating of registers.
+ * The interrupt is in this context named the vblank interrupt.
+ *
+ * The vblank interrupt may be fired at different points depending on the
+ * hardware. Some hardware implementations will fire the interrupt when the
+ * new frame start, other implementations will fire the interrupt at different
+ * points in time.
+ *
* Vertical blanking plays a major role in graphics rendering. To achieve
* tear-free display, users must synchronize page flips and/or rendering to
* vertical blanking. The DRM API offers ioctls to perform page flips
@@ -278,8 +342,8 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
DRM_DEBUG_VBL("updating vblank count on crtc %u:"
" current=%llu, diff=%u, hw=%u hw_last=%u\n",
- pipe, atomic64_read(&vblank->count), diff,
- cur_vblank, vblank->last);
+ pipe, (unsigned long long)atomic64_read(&vblank->count),
+ diff, cur_vblank, vblank->last);
if (diff == 0) {
WARN_ON_ONCE(cur_vblank != vblank->last);
@@ -425,14 +489,10 @@ static void vblank_disable_fn(struct timer_list *t)
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
}
-void drm_vblank_cleanup(struct drm_device *dev)
+static void drm_vblank_init_release(struct drm_device *dev, void *ptr)
{
unsigned int pipe;
- /* Bail if the driver didn't call drm_vblank_init() */
- if (dev->num_crtcs == 0)
- return;
-
for (pipe = 0; pipe < dev->num_crtcs; pipe++) {
struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
@@ -441,10 +501,6 @@ void drm_vblank_cleanup(struct drm_device *dev)
del_timer_sync(&vblank->disable_timer);
}
-
- kfree(dev->vblank);
-
- dev->num_crtcs = 0;
}
/**
@@ -453,25 +509,29 @@ void drm_vblank_cleanup(struct drm_device *dev)
* @num_crtcs: number of CRTCs supported by @dev
*
* This function initializes vblank support for @num_crtcs display pipelines.
- * Cleanup is handled by the DRM core, or through calling drm_dev_fini() for
- * drivers with a &drm_driver.release callback.
+ * Cleanup is handled automatically through a cleanup function added with
+ * drmm_add_action().
*
* Returns:
* Zero on success or a negative error code on failure.
*/
int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs)
{
- int ret = -ENOMEM;
+ int ret;
unsigned int i;
spin_lock_init(&dev->vbl_lock);
spin_lock_init(&dev->vblank_time_lock);
+ dev->vblank = drmm_kcalloc(dev, num_crtcs, sizeof(*dev->vblank), GFP_KERNEL);
+ if (!dev->vblank)
+ return -ENOMEM;
+
dev->num_crtcs = num_crtcs;
- dev->vblank = kcalloc(num_crtcs, sizeof(*dev->vblank), GFP_KERNEL);
- if (!dev->vblank)
- goto err;
+ ret = drmm_add_action(dev, drm_vblank_init_release, NULL);
+ if (ret)
+ return ret;
for (i = 0; i < num_crtcs; i++) {
struct drm_vblank_crtc *vblank = &dev->vblank[i];
@@ -486,10 +546,6 @@ int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs)
DRM_INFO("Supports vblank timestamp caching Rev 2 (21.10.2013).\n");
return 0;
-
-err:
- dev->num_crtcs = 0;
- return ret;
}
EXPORT_SYMBOL(drm_vblank_init);
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c
index aa88911bbc06..56197ae0b2f9 100644
--- a/drivers/gpu/drm/drm_vm.c
+++ b/drivers/gpu/drm/drm_vm.c
@@ -595,8 +595,8 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
vma->vm_ops = &drm_vm_ops;
break;
}
+ fallthrough; /* to _DRM_FRAME_BUFFER... */
#endif
- /* fall through - to _DRM_FRAME_BUFFER... */
case _DRM_FRAME_BUFFER:
case _DRM_REGISTERS:
offset = drm_core_get_reg_ofs(dev);
@@ -621,7 +621,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma)
vma->vm_end - vma->vm_start, vma->vm_page_prot))
return -EAGAIN;
vma->vm_page_prot = drm_dma_prot(map->type, vma);
- /* fall through - to _DRM_SHM */
+ fallthrough; /* to _DRM_SHM */
case _DRM_SHM:
vma->vm_ops = &drm_vm_shm_ops;
vma->vm_private_data = (void *)map;
diff --git a/drivers/gpu/drm/drm_vram_helper_common.c b/drivers/gpu/drm/drm_vram_helper_common.c
deleted file mode 100644
index 2000d9b33fd5..000000000000
--- a/drivers/gpu/drm/drm_vram_helper_common.c
+++ /dev/null
@@ -1,94 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <linux/module.h>
-
-/**
- * DOC: overview
- *
- * This library provides &struct drm_gem_vram_object (GEM VRAM), a GEM
- * buffer object that is backed by video RAM. It can be used for
- * framebuffer devices with dedicated memory. The video RAM is managed
- * by &struct drm_vram_mm (VRAM MM).
- *
- * With the GEM interface userspace applications create, manage and destroy
- * graphics buffers, such as an on-screen framebuffer. GEM does not provide
- * an implementation of these interfaces. It's up to the DRM driver to
- * provide an implementation that suits the hardware. If the hardware device
- * contains dedicated video memory, the DRM driver can use the VRAM helper
- * library. Each active buffer object is stored in video RAM. Active
- * buffer are used for drawing the current frame, typically something like
- * the frame's scanout buffer or the cursor image. If there's no more space
- * left in VRAM, inactive GEM objects can be moved to system memory.
- *
- * The easiest way to use the VRAM helper library is to call
- * drm_vram_helper_alloc_mm(). The function allocates and initializes an
- * instance of &struct drm_vram_mm in &struct drm_device.vram_mm . Use
- * &DRM_GEM_VRAM_DRIVER to initialize &struct drm_driver and
- * &DRM_VRAM_MM_FILE_OPERATIONS to initialize &struct file_operations;
- * as illustrated below.
- *
- * .. code-block:: c
- *
- * struct file_operations fops ={
- * .owner = THIS_MODULE,
- * DRM_VRAM_MM_FILE_OPERATION
- * };
- * struct drm_driver drv = {
- * .driver_feature = DRM_ ... ,
- * .fops = &fops,
- * DRM_GEM_VRAM_DRIVER
- * };
- *
- * int init_drm_driver()
- * {
- * struct drm_device *dev;
- * uint64_t vram_base;
- * unsigned long vram_size;
- * int ret;
- *
- * // setup device, vram base and size
- * // ...
- *
- * ret = drm_vram_helper_alloc_mm(dev, vram_base, vram_size);
- * if (ret)
- * return ret;
- * return 0;
- * }
- *
- * This creates an instance of &struct drm_vram_mm, exports DRM userspace
- * interfaces for GEM buffer management and initializes file operations to
- * allow for accessing created GEM buffers. With this setup, the DRM driver
- * manages an area of video RAM with VRAM MM and provides GEM VRAM objects
- * to userspace.
- *
- * To clean up the VRAM memory management, call drm_vram_helper_release_mm()
- * in the driver's clean-up code.
- *
- * .. code-block:: c
- *
- * void fini_drm_driver()
- * {
- * struct drm_device *dev = ...;
- *
- * drm_vram_helper_release_mm(dev);
- * }
- *
- * For drawing or scanout operations, buffer object have to be pinned in video
- * RAM. Call drm_gem_vram_pin() with &DRM_GEM_VRAM_PL_FLAG_VRAM or
- * &DRM_GEM_VRAM_PL_FLAG_SYSTEM to pin a buffer object in video RAM or system
- * memory. Call drm_gem_vram_unpin() to release the pinned object afterwards.
- *
- * A buffer object that is pinned in video RAM has a fixed address within that
- * memory region. Call drm_gem_vram_offset() to retrieve this value. Typically
- * it's used to program the hardware's scanout engine for framebuffers, set
- * the cursor overlay's image for a mouse cursor, or use it as input to the
- * hardware's draing engine.
- *
- * To access a buffer object's memory from the DRM driver, call
- * drm_gem_vram_kmap(). It (optionally) maps the buffer into kernel address
- * space and returns the memory address. Use drm_gem_vram_kunmap() to
- * release the mapping.
- */
-
-MODULE_DESCRIPTION("DRM VRAM memory-management helpers");
-MODULE_LICENSE("GPL");
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index a8685b2e1803..f9afe11c50f0 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -231,21 +231,11 @@ static struct drm_info_list etnaviv_debugfs_list[] = {
{"ring", show_each_gpu, 0, etnaviv_ring_show},
};
-static int etnaviv_debugfs_init(struct drm_minor *minor)
+static void etnaviv_debugfs_init(struct drm_minor *minor)
{
- struct drm_device *dev = minor->dev;
- int ret;
-
- ret = drm_debugfs_create_files(etnaviv_debugfs_list,
- ARRAY_SIZE(etnaviv_debugfs_list),
- minor->debugfs_root, minor);
-
- if (ret) {
- dev_err(dev->dev, "could not install etnaviv_debugfs_list\n");
- return ret;
- }
-
- return ret;
+ drm_debugfs_create_files(etnaviv_debugfs_list,
+ ARRAY_SIZE(etnaviv_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
@@ -736,7 +726,7 @@ static void __exit etnaviv_exit(void)
module_exit(etnaviv_exit);
MODULE_AUTHOR("Christian Gmeiner <christian.gmeiner@gmail.com>");
-MODULE_AUTHOR("Russell King <rmk+kernel@arm.linux.org.uk>");
+MODULE_AUTHOR("Russell King <rmk+kernel@armlinux.org.uk>");
MODULE_AUTHOR("Lucas Stach <l.stach@pengutronix.de>");
MODULE_DESCRIPTION("etnaviv DRM Driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 648cf0207309..706af0304ca4 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -154,8 +154,8 @@ void etnaviv_core_dump(struct etnaviv_gem_submit *submit)
file_size += sizeof(*iter.hdr) * n_obj;
/* Allocate the file in vmalloc memory, it's likely to be big */
- iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY,
- PAGE_KERNEL);
+ iter.start = __vmalloc(file_size, GFP_KERNEL | __GFP_NOWARN |
+ __GFP_NORETRY);
if (!iter.start) {
mutex_unlock(&gpu->mmu_context->lock);
dev_warn(gpu->dev, "failed to allocate devcoredump file\n");
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
index 3b0afa156d92..54def341c1db 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
@@ -238,8 +238,10 @@ static int submit_pin_objects(struct etnaviv_gem_submit *submit)
}
if ((submit->flags & ETNA_SUBMIT_SOFTPIN) &&
- submit->bos[i].va != mapping->iova)
+ submit->bos[i].va != mapping->iova) {
+ etnaviv_gem_mapping_unreference(mapping);
return -EINVAL;
+ }
atomic_inc(&etnaviv_obj->gpu_active);
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
index e6795bafcbb9..75f9db8f7bec 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -453,7 +453,7 @@ static const struct etnaviv_pm_domain *pm_domain(const struct etnaviv_gpu *gpu,
if (!(gpu->identity.features & meta->feature))
continue;
- if (meta->nr_domains < (index - offset)) {
+ if (index - offset >= meta->nr_domains) {
offset += meta->nr_domains;
continue;
}
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index 5ee090691390..9ac51b6ab34b 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -25,6 +25,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/exynos_drm.h>
#include "exynos_drm_crtc.h"
@@ -135,10 +136,6 @@ static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
.disable = exynos_dp_nop,
};
-static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
{
int ret;
@@ -167,8 +164,7 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
return ret;
}
- drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 43fa0f26c052..7ba5354e7d94 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -14,6 +14,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <video/of_videomode.h>
#include <video/videomode.h>
@@ -149,10 +150,6 @@ static const struct drm_encoder_helper_funcs exynos_dpi_encoder_helper_funcs = {
.disable = exynos_dpi_disable,
};
-static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
enum {
FIMD_PORT_IN0,
FIMD_PORT_IN1,
@@ -201,8 +198,7 @@ int exynos_dpi_bind(struct drm_device *dev, struct drm_encoder *encoder)
{
int ret;
- drm_encoder_init(dev, encoder, &exynos_dpi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_dpi_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 57defeb44522..dbd80f1e4c78 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -76,7 +76,6 @@ static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file)
}
static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
- .fault = exynos_drm_gem_fault,
.open = drm_gem_vm_open,
.close = drm_gem_vm_close,
};
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e080aa92338c..ee96a95fb6be 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -30,6 +30,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "exynos_drm_crtc.h"
#include "exynos_drm_drv.h"
@@ -211,7 +212,7 @@
#define OLD_SCLK_MIPI_CLK_NAME "pll_clk"
-static char *clk_names[5] = { "bus_clk", "sclk_mipi",
+static const char *const clk_names[5] = { "bus_clk", "sclk_mipi",
"phyclk_mipidphy0_bitclkdiv8", "phyclk_mipidphy0_rxclkesc0",
"sclk_rgb_vclk_to_dsim0" };
@@ -1523,10 +1524,6 @@ static const struct drm_encoder_helper_funcs exynos_dsi_encoder_helper_funcs = {
.disable = exynos_dsi_disable,
};
-static const struct drm_encoder_funcs exynos_dsi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
MODULE_DEVICE_TABLE(of, exynos_dsi_of_match);
static int exynos_dsi_host_attach(struct mipi_dsi_host *host,
@@ -1704,8 +1701,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
struct drm_bridge *in_bridge;
int ret;
- drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_dsi_encoder_helper_funcs);
@@ -1763,10 +1759,6 @@ static int exynos_dsi_probe(struct platform_device *pdev)
dsi->dev = dev;
dsi->driver_data = of_device_get_match_data(dev);
- ret = exynos_dsi_parse_dt(dsi);
- if (ret)
- return ret;
-
dsi->supplies[0].supply = "vddcore";
dsi->supplies[1].supply = "vddio";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies),
@@ -1813,10 +1805,8 @@ static int exynos_dsi_probe(struct platform_device *pdev)
}
dsi->irq = platform_get_irq(pdev, 0);
- if (dsi->irq < 0) {
- dev_err(dev, "failed to request dsi irq resource\n");
+ if (dsi->irq < 0)
return dsi->irq;
- }
irq_set_status_flags(dsi->irq, IRQ_NOAUTOEN);
ret = devm_request_threaded_irq(dev, dsi->irq, NULL,
@@ -1827,11 +1817,25 @@ static int exynos_dsi_probe(struct platform_device *pdev)
return ret;
}
+ ret = exynos_dsi_parse_dt(dsi);
+ if (ret)
+ return ret;
+
platform_set_drvdata(pdev, &dsi->encoder);
pm_runtime_enable(dev);
- return component_add(dev, &exynos_dsi_component_ops);
+ ret = component_add(dev, &exynos_dsi_component_ops);
+ if (ret)
+ goto err_disable_runtime;
+
+ return 0;
+
+err_disable_runtime:
+ pm_runtime_disable(dev);
+ of_node_put(dsi->in_bridge_node);
+
+ return ret;
}
static int exynos_dsi_remove(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index e6ceaf36fb04..56a2b47e1af7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -76,7 +76,6 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
struct fb_info *fbi;
struct drm_framebuffer *fb = helper->fb;
unsigned int size = fb->width * fb->height * fb->format->cpp[0];
- unsigned int nr_pages;
unsigned long offset;
fbi = drm_fb_helper_alloc_fbi(helper);
@@ -90,16 +89,6 @@ static int exynos_drm_fbdev_update(struct drm_fb_helper *helper,
drm_fb_helper_fill_info(fbi, helper, sizes);
- nr_pages = exynos_gem->size >> PAGE_SHIFT;
-
- exynos_gem->kvaddr = (void __iomem *) vmap(exynos_gem->pages, nr_pages,
- VM_MAP, pgprot_writecombine(PAGE_KERNEL));
- if (!exynos_gem->kvaddr) {
- DRM_DEV_ERROR(to_dma_dev(helper->dev),
- "failed to map pages to kernel space.\n");
- return -EIO;
- }
-
offset = fbi->var.xoffset * fb->format->cpp[0];
offset += fbi->var.yoffset * fb->pitches[0];
@@ -133,18 +122,7 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
size = mode_cmd.pitches[0] * mode_cmd.height;
- exynos_gem = exynos_drm_gem_create(dev, EXYNOS_BO_CONTIG, size);
- /*
- * If physically contiguous memory allocation fails and if IOMMU is
- * supported then try to get buffer from non physically contiguous
- * memory area.
- */
- if (IS_ERR(exynos_gem) && is_drm_iommu_supported(dev)) {
- dev_warn(dev->dev, "contiguous FB allocation failed, falling back to non-contiguous\n");
- exynos_gem = exynos_drm_gem_create(dev, EXYNOS_BO_NONCONTIG,
- size);
- }
-
+ exynos_gem = exynos_drm_gem_create(dev, EXYNOS_BO_WC, size, true);
if (IS_ERR(exynos_gem))
return PTR_ERR(exynos_gem);
@@ -229,12 +207,8 @@ err_init:
static void exynos_drm_fbdev_destroy(struct drm_device *dev,
struct drm_fb_helper *fb_helper)
{
- struct exynos_drm_fbdev *exynos_fbd = to_exynos_fbdev(fb_helper);
- struct exynos_drm_gem *exynos_gem = exynos_fbd->exynos_gem;
struct drm_framebuffer *fb;
- vunmap(exynos_gem->kvaddr);
-
/* release drm framebuffer and real buffer */
if (fb_helper->fb && fb_helper->fb->funcs) {
fb = fb_helper->fb;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index d734d9d51762..0df57ee34144 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -17,28 +17,23 @@
#include "exynos_drm_drv.h"
#include "exynos_drm_gem.h"
-static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem)
+static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem, bool kvmap)
{
struct drm_device *dev = exynos_gem->base.dev;
- unsigned long attr;
- unsigned int nr_pages;
- struct sg_table sgt;
- int ret = -ENOMEM;
+ unsigned long attr = 0;
if (exynos_gem->dma_addr) {
DRM_DEV_DEBUG_KMS(to_dma_dev(dev), "already allocated.\n");
return 0;
}
- exynos_gem->dma_attrs = 0;
-
/*
* if EXYNOS_BO_CONTIG, fully physically contiguous memory
* region will be allocated else physically contiguous
* as possible.
*/
if (!(exynos_gem->flags & EXYNOS_BO_NONCONTIG))
- exynos_gem->dma_attrs |= DMA_ATTR_FORCE_CONTIGUOUS;
+ attr |= DMA_ATTR_FORCE_CONTIGUOUS;
/*
* if EXYNOS_BO_WC or EXYNOS_BO_NONCACHABLE, writecombine mapping
@@ -46,61 +41,29 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem)
*/
if (exynos_gem->flags & EXYNOS_BO_WC ||
!(exynos_gem->flags & EXYNOS_BO_CACHABLE))
- attr = DMA_ATTR_WRITE_COMBINE;
+ attr |= DMA_ATTR_WRITE_COMBINE;
else
- attr = DMA_ATTR_NON_CONSISTENT;
-
- exynos_gem->dma_attrs |= attr;
- exynos_gem->dma_attrs |= DMA_ATTR_NO_KERNEL_MAPPING;
+ attr |= DMA_ATTR_NON_CONSISTENT;
- nr_pages = exynos_gem->size >> PAGE_SHIFT;
-
- exynos_gem->pages = kvmalloc_array(nr_pages, sizeof(struct page *),
- GFP_KERNEL | __GFP_ZERO);
- if (!exynos_gem->pages) {
- DRM_DEV_ERROR(to_dma_dev(dev), "failed to allocate pages.\n");
- return -ENOMEM;
- }
+ /* FBDev emulation requires kernel mapping */
+ if (!kvmap)
+ attr |= DMA_ATTR_NO_KERNEL_MAPPING;
+ exynos_gem->dma_attrs = attr;
exynos_gem->cookie = dma_alloc_attrs(to_dma_dev(dev), exynos_gem->size,
&exynos_gem->dma_addr, GFP_KERNEL,
exynos_gem->dma_attrs);
if (!exynos_gem->cookie) {
DRM_DEV_ERROR(to_dma_dev(dev), "failed to allocate buffer.\n");
- goto err_free;
- }
-
- ret = dma_get_sgtable_attrs(to_dma_dev(dev), &sgt, exynos_gem->cookie,
- exynos_gem->dma_addr, exynos_gem->size,
- exynos_gem->dma_attrs);
- if (ret < 0) {
- DRM_DEV_ERROR(to_dma_dev(dev), "failed to get sgtable.\n");
- goto err_dma_free;
- }
-
- if (drm_prime_sg_to_page_addr_arrays(&sgt, exynos_gem->pages, NULL,
- nr_pages)) {
- DRM_DEV_ERROR(to_dma_dev(dev), "invalid sgtable.\n");
- ret = -EINVAL;
- goto err_sgt_free;
+ return -ENOMEM;
}
- sg_free_table(&sgt);
+ if (kvmap)
+ exynos_gem->kvaddr = exynos_gem->cookie;
DRM_DEV_DEBUG_KMS(to_dma_dev(dev), "dma_addr(0x%lx), size(0x%lx)\n",
(unsigned long)exynos_gem->dma_addr, exynos_gem->size);
-
return 0;
-
-err_sgt_free:
- sg_free_table(&sgt);
-err_dma_free:
- dma_free_attrs(to_dma_dev(dev), exynos_gem->size, exynos_gem->cookie,
- exynos_gem->dma_addr, exynos_gem->dma_attrs);
-err_free:
- kvfree(exynos_gem->pages);
-
- return ret;
}
static void exynos_drm_free_buf(struct exynos_drm_gem *exynos_gem)
@@ -118,8 +81,6 @@ static void exynos_drm_free_buf(struct exynos_drm_gem *exynos_gem)
dma_free_attrs(to_dma_dev(dev), exynos_gem->size, exynos_gem->cookie,
(dma_addr_t)exynos_gem->dma_addr,
exynos_gem->dma_attrs);
-
- kvfree(exynos_gem->pages);
}
static int exynos_drm_gem_handle_create(struct drm_gem_object *obj,
@@ -203,7 +164,8 @@ static struct exynos_drm_gem *exynos_drm_gem_init(struct drm_device *dev,
struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev,
unsigned int flags,
- unsigned long size)
+ unsigned long size,
+ bool kvmap)
{
struct exynos_drm_gem *exynos_gem;
int ret;
@@ -237,7 +199,7 @@ struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev,
/* set memory type and cache attribute from user side. */
exynos_gem->flags = flags;
- ret = exynos_drm_alloc_buf(exynos_gem);
+ ret = exynos_drm_alloc_buf(exynos_gem, kvmap);
if (ret < 0) {
drm_gem_object_release(&exynos_gem->base);
kfree(exynos_gem);
@@ -254,7 +216,7 @@ int exynos_drm_gem_create_ioctl(struct drm_device *dev, void *data,
struct exynos_drm_gem *exynos_gem;
int ret;
- exynos_gem = exynos_drm_gem_create(dev, args->flags, args->size);
+ exynos_gem = exynos_drm_gem_create(dev, args->flags, args->size, false);
if (IS_ERR(exynos_gem))
return PTR_ERR(exynos_gem);
@@ -365,7 +327,7 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
else
flags = EXYNOS_BO_CONTIG | EXYNOS_BO_WC;
- exynos_gem = exynos_drm_gem_create(dev, flags, args->size);
+ exynos_gem = exynos_drm_gem_create(dev, flags, args->size, false);
if (IS_ERR(exynos_gem)) {
dev_warn(dev->dev, "FB allocation failed.\n");
return PTR_ERR(exynos_gem);
@@ -381,26 +343,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
return 0;
}
-vm_fault_t exynos_drm_gem_fault(struct vm_fault *vmf)
-{
- struct vm_area_struct *vma = vmf->vma;
- struct drm_gem_object *obj = vma->vm_private_data;
- struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj);
- unsigned long pfn;
- pgoff_t page_offset;
-
- page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
-
- if (page_offset >= (exynos_gem->size >> PAGE_SHIFT)) {
- DRM_ERROR("invalid page offset\n");
- return VM_FAULT_SIGBUS;
- }
-
- pfn = page_to_pfn(exynos_gem->pages[page_offset]);
- return vmf_insert_mixed(vma, vmf->address,
- __pfn_to_pfn_t(pfn, PFN_DEV));
-}
-
static int exynos_drm_gem_mmap_obj(struct drm_gem_object *obj,
struct vm_area_struct *vma)
{
@@ -462,11 +404,24 @@ struct drm_gem_object *exynos_drm_gem_prime_import(struct drm_device *dev,
struct sg_table *exynos_drm_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj);
- int npages;
+ struct drm_device *drm_dev = obj->dev;
+ struct sg_table *sgt;
+ int ret;
- npages = exynos_gem->size >> PAGE_SHIFT;
+ sgt = kzalloc(sizeof(*sgt), GFP_KERNEL);
+ if (!sgt)
+ return ERR_PTR(-ENOMEM);
- return drm_prime_pages_to_sg(exynos_gem->pages, npages);
+ ret = dma_get_sgtable_attrs(to_dma_dev(drm_dev), sgt, exynos_gem->cookie,
+ exynos_gem->dma_addr, exynos_gem->size,
+ exynos_gem->dma_attrs);
+ if (ret) {
+ DRM_ERROR("failed to get sgtable, %d\n", ret);
+ kfree(sgt);
+ return ERR_PTR(ret);
+ }
+
+ return sgt;
}
struct drm_gem_object *
@@ -475,52 +430,47 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
struct sg_table *sgt)
{
struct exynos_drm_gem *exynos_gem;
- int npages;
- int ret;
-
- exynos_gem = exynos_drm_gem_init(dev, attach->dmabuf->size);
- if (IS_ERR(exynos_gem)) {
- ret = PTR_ERR(exynos_gem);
- return ERR_PTR(ret);
- }
- exynos_gem->dma_addr = sg_dma_address(sgt->sgl);
+ if (sgt->nents < 1)
+ return ERR_PTR(-EINVAL);
- npages = exynos_gem->size >> PAGE_SHIFT;
- exynos_gem->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
- if (!exynos_gem->pages) {
- ret = -ENOMEM;
- goto err;
+ /*
+ * Check if the provided buffer has been mapped as contiguous
+ * into DMA address space.
+ */
+ if (sgt->nents > 1) {
+ dma_addr_t next_addr = sg_dma_address(sgt->sgl);
+ struct scatterlist *s;
+ unsigned int i;
+
+ for_each_sg(sgt->sgl, s, sgt->nents, i) {
+ if (!sg_dma_len(s))
+ break;
+ if (sg_dma_address(s) != next_addr) {
+ DRM_ERROR("buffer chunks must be mapped contiguously");
+ return ERR_PTR(-EINVAL);
+ }
+ next_addr = sg_dma_address(s) + sg_dma_len(s);
+ }
}
- ret = drm_prime_sg_to_page_addr_arrays(sgt, exynos_gem->pages, NULL,
- npages);
- if (ret < 0)
- goto err_free_large;
-
- exynos_gem->sgt = sgt;
+ exynos_gem = exynos_drm_gem_init(dev, attach->dmabuf->size);
+ if (IS_ERR(exynos_gem))
+ return ERR_CAST(exynos_gem);
- if (sgt->nents == 1) {
- /* always physically continuous memory if sgt->nents is 1. */
- exynos_gem->flags |= EXYNOS_BO_CONTIG;
- } else {
- /*
- * this case could be CONTIG or NONCONTIG type but for now
- * sets NONCONTIG.
- * TODO. we have to find a way that exporter can notify
- * the type of its own buffer to importer.
- */
+ /*
+ * Buffer has been mapped as contiguous into DMA address space,
+ * but if there is IOMMU, it can be either CONTIG or NONCONTIG.
+ * We assume a simplified logic below:
+ */
+ if (is_drm_iommu_supported(dev))
exynos_gem->flags |= EXYNOS_BO_NONCONTIG;
- }
+ else
+ exynos_gem->flags |= EXYNOS_BO_CONTIG;
+ exynos_gem->dma_addr = sg_dma_address(sgt->sgl);
+ exynos_gem->sgt = sgt;
return &exynos_gem->base;
-
-err_free_large:
- kvfree(exynos_gem->pages);
-err:
- drm_gem_object_release(&exynos_gem->base);
- kfree(exynos_gem);
- return ERR_PTR(ret);
}
void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 42ec67bc262d..6ef001f890aa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -21,20 +21,15 @@
* @base: a gem object.
* - a new handle to this gem object would be created
* by drm_gem_handle_create().
- * @buffer: a pointer to exynos_drm_gem_buffer object.
- * - contain the information to memory region allocated
- * by user request or at framebuffer creation.
- * continuous memory region allocated by user request
- * or at framebuffer creation.
* @flags: indicate memory type to allocated buffer and cache attruibute.
* @size: size requested from user, in bytes and this size is aligned
* in page unit.
* @cookie: cookie returned by dma_alloc_attrs
- * @kvaddr: kernel virtual address to allocated memory region.
+ * @kvaddr: kernel virtual address to allocated memory region (for fbdev)
* @dma_addr: bus address(accessed by dma) to allocated memory region.
* - this address could be physical address without IOMMU and
* device address with IOMMU.
- * @pages: Array of backing pages.
+ * @dma_attrs: attrs passed dma mapping framework
* @sgt: Imported sg_table.
*
* P.S. this object would be transferred to user as kms_bo.handle so
@@ -48,7 +43,6 @@ struct exynos_drm_gem {
void __iomem *kvaddr;
dma_addr_t dma_addr;
unsigned long dma_attrs;
- struct page **pages;
struct sg_table *sgt;
};
@@ -58,7 +52,8 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem *exynos_gem);
/* create a new buffer with gem object */
struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev,
unsigned int flags,
- unsigned long size);
+ unsigned long size,
+ bool kvmap);
/*
* request gem object creation and buffer allocation as the size
@@ -101,9 +96,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args);
-/* page fault handler and mmap fault address(virtual) to physical memory. */
-vm_fault_t exynos_drm_gem_fault(struct vm_fault *vmf);
-
/* set vm_flags and we can change the vm attribute to other one at here. */
int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_mic.c b/drivers/gpu/drm/exynos/exynos_drm_mic.c
index f41d75923557..a86abc173605 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_mic.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_mic.c
@@ -88,7 +88,7 @@
#define MIC_BS_SIZE_2D(x) ((x) & 0x3fff)
-static char *clk_names[] = { "pclk_mic0", "sclk_rgb_vclk_to_mic0" };
+static const char *const clk_names[] = { "pclk_mic0", "sclk_rgb_vclk_to_mic0" };
#define NUM_CLKS ARRAY_SIZE(clk_names)
static DEFINE_MUTEX(mic_mutex);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index dafa87b82052..2d94afba031e 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -293,10 +293,8 @@ static int rotator_probe(struct platform_device *pdev)
return PTR_ERR(rot->regs);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "failed to get irq\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_irq(dev, irq, rotator_irq_handler, 0, dev_name(dev),
rot);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
index 93c43c8d914e..ce1857138f89 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
@@ -502,10 +502,8 @@ static int scaler_probe(struct platform_device *pdev)
return PTR_ERR(scaler->regs);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "failed to get irq\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_threaded_irq(dev, irq, NULL, scaler_irq_handler,
IRQF_ONESHOT, "drm_scaler", scaler);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index b320b3a21ad4..e5662bdcbbde 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -14,6 +14,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/drm_vblank.h>
#include <drm/exynos_drm.h>
@@ -213,6 +214,12 @@ static ssize_t vidi_store_connection(struct device *dev,
static DEVICE_ATTR(connection, 0644, vidi_show_connection,
vidi_store_connection);
+static struct attribute *vidi_attrs[] = {
+ &dev_attr_connection.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(vidi);
+
int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
struct drm_file *file_priv)
{
@@ -369,10 +376,6 @@ static const struct drm_encoder_helper_funcs exynos_vidi_encoder_helper_funcs =
.disable = exynos_vidi_disable,
};
-static const struct drm_encoder_funcs exynos_vidi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int vidi_bind(struct device *dev, struct device *master, void *data)
{
struct vidi_context *ctx = dev_get_drvdata(dev);
@@ -406,8 +409,7 @@ static int vidi_bind(struct device *dev, struct device *master, void *data)
return PTR_ERR(ctx->crtc);
}
- drm_encoder_init(drm_dev, encoder, &exynos_vidi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_vidi_encoder_helper_funcs);
@@ -443,7 +445,6 @@ static int vidi_probe(struct platform_device *pdev)
{
struct vidi_context *ctx;
struct device *dev = &pdev->dev;
- int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
@@ -457,23 +458,7 @@ static int vidi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ctx);
- ret = device_create_file(dev, &dev_attr_connection);
- if (ret < 0) {
- DRM_DEV_ERROR(dev,
- "failed to create connection sysfs.\n");
- return ret;
- }
-
- ret = component_add(dev, &vidi_component_ops);
- if (ret)
- goto err_remove_file;
-
- return ret;
-
-err_remove_file:
- device_remove_file(dev, &dev_attr_connection);
-
- return ret;
+ return component_add(dev, &vidi_component_ops);
}
static int vidi_remove(struct platform_device *pdev)
@@ -498,5 +483,6 @@ struct platform_driver vidi_driver = {
.driver = {
.name = "exynos-drm-vidi",
.owner = THIS_MODULE,
+ .dev_groups = vidi_groups,
},
};
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 1a7c828fc41d..95dd399aa9cc 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -38,6 +38,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "exynos_drm_crtc.h"
#include "regs-hdmi.h"
@@ -1559,10 +1560,6 @@ static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs =
.disable = hdmi_disable,
};
-static const struct drm_encoder_funcs exynos_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void hdmi_audio_shutdown(struct device *dev, void *data)
{
struct hdmi_context *hdata = dev_get_drvdata(dev);
@@ -1843,8 +1840,7 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
hdata->phy_clk.enable = hdmiphy_clk_enable;
- drm_encoder_init(drm_dev, encoder, &exynos_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &exynos_hdmi_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 21b726baedea..c7e2e2ebc327 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -1244,9 +1244,11 @@ static int mixer_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ctx);
+ pm_runtime_enable(dev);
+
ret = component_add(&pdev->dev, &mixer_component_ops);
- if (!ret)
- pm_runtime_enable(dev);
+ if (ret)
+ pm_runtime_disable(dev);
return ret;
}
diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c
index cff344367f81..9b0c4736c21a 100644
--- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c
+++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c
@@ -13,19 +13,11 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "fsl_dcu_drm_drv.h"
#include "fsl_tcon.h"
-static void fsl_dcu_drm_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = fsl_dcu_drm_encoder_destroy,
-};
-
int fsl_dcu_drm_encoder_create(struct fsl_dcu_drm_device *fsl_dev,
struct drm_crtc *crtc)
{
@@ -38,8 +30,8 @@ int fsl_dcu_drm_encoder_create(struct fsl_dcu_drm_device *fsl_dev,
if (fsl_dev->tcon)
fsl_tcon_bypass_enable(fsl_dev->tcon);
- ret = drm_encoder_init(fsl_dev->drm, encoder, &encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ ret = drm_simple_encoder_init(fsl_dev->drm, encoder,
+ DRM_MODE_ENCODER_LVDS);
if (ret < 0)
return ret;
diff --git a/drivers/gpu/drm/gma500/cdv_intel_crt.c b/drivers/gpu/drm/gma500/cdv_intel_crt.c
index 29c36d63b20e..88535f5aacc5 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_crt.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_crt.c
@@ -28,6 +28,8 @@
#include <linux/i2c.h>
#include <linux/pm_runtime.h>
+#include <drm/drm_simple_kms_helper.h>
+
#include "cdv_device.h"
#include "intel_bios.h"
#include "power.h"
@@ -237,15 +239,6 @@ static const struct drm_connector_helper_funcs
.best_encoder = gma_best_encoder,
};
-static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
- .destroy = cdv_intel_crt_enc_destroy,
-};
-
void cdv_intel_crt_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev)
{
@@ -271,8 +264,7 @@ void cdv_intel_crt_init(struct drm_device *dev,
&cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
encoder = &gma_encoder->base;
- drm_encoder_init(dev, encoder,
- &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
gma_connector_attach_encoder(gma_connector, gma_encoder);
diff --git a/drivers/gpu/drm/gma500/cdv_intel_dp.c b/drivers/gpu/drm/gma500/cdv_intel_dp.c
index 5772b2dce0d6..f41cbb753bb4 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_dp.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_dp.c
@@ -32,6 +32,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_dp_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "gma_display.h"
#include "psb_drv.h"
@@ -1271,37 +1272,8 @@ cdv_intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZ
return ((l >> s) & 3) << DP_TRAIN_PRE_EMPHASIS_SHIFT;
}
-
-#if 0
-static char *voltage_names[] = {
- "0.4V", "0.6V", "0.8V", "1.2V"
-};
-static char *pre_emph_names[] = {
- "0dB", "3.5dB", "6dB", "9.5dB"
-};
-static char *link_train_names[] = {
- "pattern 1", "pattern 2", "idle", "off"
-};
-#endif
-
#define CDV_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_LEVEL_3
-/*
-static uint8_t
-cdv_intel_dp_pre_emphasis_max(uint8_t voltage_swing)
-{
- switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
- case DP_TRAIN_VOLTAGE_SWING_400:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_600:
- return DP_TRAIN_PRE_EMPHASIS_6;
- case DP_TRAIN_VOLTAGE_SWING_800:
- return DP_TRAIN_PRE_EMPHASIS_3_5;
- case DP_TRAIN_VOLTAGE_SWING_1200:
- default:
- return DP_TRAIN_PRE_EMPHASIS_0;
- }
-}
-*/
+
static void
cdv_intel_get_adjust_train(struct gma_encoder *encoder)
{
@@ -1908,11 +1880,6 @@ cdv_intel_dp_destroy(struct drm_connector *connector)
kfree(connector);
}
-static void cdv_intel_dp_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
static const struct drm_encoder_helper_funcs cdv_intel_dp_helper_funcs = {
.dpms = cdv_intel_dp_dpms,
.mode_fixup = cdv_intel_dp_mode_fixup,
@@ -1935,11 +1902,6 @@ static const struct drm_connector_helper_funcs cdv_intel_dp_connector_helper_fun
.best_encoder = gma_best_encoder,
};
-static const struct drm_encoder_funcs cdv_intel_dp_enc_funcs = {
- .destroy = cdv_intel_dp_encoder_destroy,
-};
-
-
static void cdv_intel_dp_add_properties(struct drm_connector *connector)
{
cdv_intel_attach_force_audio_property(connector);
@@ -2016,8 +1978,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
encoder = &gma_encoder->base;
drm_connector_init(dev, connector, &cdv_intel_dp_connector_funcs, type);
- drm_encoder_init(dev, encoder, &cdv_intel_dp_enc_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
@@ -2120,7 +2081,7 @@ cdv_intel_dp_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev
if (ret == 0) {
/* if this fails, presume the device is a ghost */
DRM_INFO("failed to retrieve link info, disabling eDP\n");
- cdv_intel_dp_encoder_destroy(encoder);
+ drm_encoder_cleanup(encoder);
cdv_intel_dp_destroy(connector);
goto err_priv;
} else {
diff --git a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
index 1711a41acc16..0d12c6ffbc40 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_hdmi.c
@@ -32,6 +32,7 @@
#include <drm/drm.h>
#include <drm/drm_crtc.h>
#include <drm/drm_edid.h>
+#include <drm/drm_simple_kms_helper.h>
#include "cdv_device.h"
#include "psb_drv.h"
@@ -311,8 +312,7 @@ void cdv_hdmi_init(struct drm_device *dev,
&cdv_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_DVID);
- drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
gma_encoder->type = INTEL_OUTPUT_HDMI;
diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
index ea0a5d9a0acc..eaaf4efec217 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c
@@ -12,6 +12,8 @@
#include <linux/i2c.h>
#include <linux/pm_runtime.h>
+#include <drm/drm_simple_kms_helper.h>
+
#include "cdv_device.h"
#include "intel_bios.h"
#include "power.h"
@@ -72,89 +74,6 @@ static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
return retval;
}
-#if 0
-/*
- * Set LVDS backlight level by I2C command
- */
-static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
- unsigned int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
- u8 out_buf[2];
- unsigned int blc_i2c_brightness;
-
- struct i2c_msg msgs[] = {
- {
- .addr = lvds_i2c_bus->slave_addr,
- .flags = 0,
- .len = 2,
- .buf = out_buf,
- }
- };
-
- blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
- BRIGHTNESS_MASK /
- BRIGHTNESS_MAX_LEVEL);
-
- if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
- blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
- out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
- out_buf[1] = (u8)blc_i2c_brightness;
-
- if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
- return 0;
-
- DRM_ERROR("I2C transfer error\n");
- return -1;
-}
-
-
-static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- u32 max_pwm_blc;
- u32 blc_pwm_duty_cycle;
-
- max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
-
- /*BLC_PWM_CTL Should be initiated while backlight device init*/
- BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
-
- blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
- if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
- blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
- blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
- REG_WRITE(BLC_PWM_CTL,
- (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
- (blc_pwm_duty_cycle));
-
- return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
-
- if (!dev_priv->lvds_bl) {
- DRM_ERROR("NO LVDS Backlight Info\n");
- return;
- }
-
- if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
- cdv_lvds_i2c_set_brightness(dev, level);
- else
- cdv_lvds_pwm_set_brightness(dev, level);
-}
-#endif
-
/**
* Sets the backlight level.
*
@@ -499,16 +418,6 @@ static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = {
.destroy = cdv_intel_lvds_destroy,
};
-
-static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = {
- .destroy = cdv_intel_lvds_enc_destroy,
-};
-
/*
* Enumerate the child dev array parsed from VBT to check whether
* the LVDS is present.
@@ -616,10 +525,7 @@ void cdv_intel_lvds_init(struct drm_device *dev,
&cdv_intel_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
- drm_encoder_init(dev, encoder,
- &cdv_intel_lvds_enc_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
-
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
gma_encoder->type = INTEL_OUTPUT_LVDS;
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 1d8f67e4795a..23a78d755382 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -577,31 +577,31 @@ static void psb_setup_outputs(struct drm_device *dev)
break;
case INTEL_OUTPUT_SDVO:
crtc_mask = dev_priv->ops->sdvo_mask;
- clone_mask = (1 << INTEL_OUTPUT_SDVO);
+ clone_mask = 0;
break;
case INTEL_OUTPUT_LVDS:
- crtc_mask = dev_priv->ops->lvds_mask;
- clone_mask = (1 << INTEL_OUTPUT_LVDS);
+ crtc_mask = dev_priv->ops->lvds_mask;
+ clone_mask = 0;
break;
case INTEL_OUTPUT_MIPI:
crtc_mask = (1 << 0);
- clone_mask = (1 << INTEL_OUTPUT_MIPI);
+ clone_mask = 0;
break;
case INTEL_OUTPUT_MIPI2:
crtc_mask = (1 << 2);
- clone_mask = (1 << INTEL_OUTPUT_MIPI2);
+ clone_mask = 0;
break;
case INTEL_OUTPUT_HDMI:
- crtc_mask = dev_priv->ops->hdmi_mask;
+ crtc_mask = dev_priv->ops->hdmi_mask;
clone_mask = (1 << INTEL_OUTPUT_HDMI);
break;
case INTEL_OUTPUT_DISPLAYPORT:
crtc_mask = (1 << 0) | (1 << 1);
- clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
+ clone_mask = 0;
break;
case INTEL_OUTPUT_EDP:
crtc_mask = (1 << 1);
- clone_mask = (1 << INTEL_OUTPUT_EDP);
+ clone_mask = 0;
}
encoder->possible_crtcs = crtc_mask;
encoder->possible_clones =
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
index d4c65f268922..c976a9dd9240 100644
--- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c
@@ -27,6 +27,8 @@
#include <linux/delay.h>
+#include <drm/drm_simple_kms_helper.h>
+
#include "mdfld_dsi_dpi.h"
#include "mdfld_dsi_pkg_sender.h"
#include "mdfld_output.h"
@@ -993,10 +995,7 @@ struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
/*create drm encoder object*/
connector = &dsi_connector->base.base;
encoder = &dpi_output->base.base.base;
- drm_encoder_init(dev,
- encoder,
- p_funcs->encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
drm_encoder_helper_add(encoder,
p_funcs->encoder_helper_funcs);
@@ -1006,10 +1005,10 @@ struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
/*set possible crtcs and clones*/
if (dsi_connector->pipe) {
encoder->possible_crtcs = (1 << 2);
- encoder->possible_clones = (1 << 1);
+ encoder->possible_clones = 0;
} else {
encoder->possible_crtcs = (1 << 0);
- encoder->possible_clones = (1 << 0);
+ encoder->possible_clones = 0;
}
dsi_connector->base.encoder = &dpi_output->base.base;
diff --git a/drivers/gpu/drm/gma500/mdfld_intel_display.c b/drivers/gpu/drm/gma500/mdfld_intel_display.c
index 4fff110c4921..aae2d358364c 100644
--- a/drivers/gpu/drm/gma500/mdfld_intel_display.c
+++ b/drivers/gpu/drm/gma500/mdfld_intel_display.c
@@ -658,16 +658,6 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
dev_dbg(dev->dev, "pipe = 0x%x\n", pipe);
-#if 0
- if (pipe == 1) {
- if (!gma_power_begin(dev, true))
- return 0;
- android_hdmi_crtc_mode_set(crtc, mode, adjusted_mode,
- x, y, old_fb);
- goto mrst_crtc_mode_set_exit;
- }
-#endif
-
ret = check_fb(crtc->primary->fb);
if (ret)
return ret;
@@ -918,14 +908,6 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
}
dpll = 0;
-#if 0 /* FIXME revisit later */
- if (ksel == KSEL_CRYSTAL_19 || ksel == KSEL_BYPASS_19 ||
- ksel == KSEL_BYPASS_25)
- dpll &= ~MDFLD_INPUT_REF_SEL;
- else if (ksel == KSEL_BYPASS_83_100)
- dpll |= MDFLD_INPUT_REF_SEL;
-#endif /* FIXME revisit later */
-
if (is_hdmi)
dpll |= MDFLD_VCO_SEL;
@@ -935,20 +917,7 @@ static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
/* compute bitmask from p1 value */
dpll |= (1 << (clock.p1 - 2)) << 17;
-#if 0 /* 1080p30 & 720p */
- dpll = 0x00050000;
- fp = 0x000001be;
-#endif
-#if 0 /* 480p */
- dpll = 0x02010000;
- fp = 0x000000d2;
-#endif
} else {
-#if 0 /*DBI_TPO_480x864*/
- dpll = 0x00020000;
- fp = 0x00000156;
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
dpll = 0x00800000;
fp = 0x000000c1;
}
diff --git a/drivers/gpu/drm/gma500/mdfld_output.h b/drivers/gpu/drm/gma500/mdfld_output.h
index ab2b27c0f037..17a944d70add 100644
--- a/drivers/gpu/drm/gma500/mdfld_output.h
+++ b/drivers/gpu/drm/gma500/mdfld_output.h
@@ -51,7 +51,6 @@ struct panel_info {
};
struct panel_funcs {
- const struct drm_encoder_funcs *encoder_funcs;
const struct drm_encoder_helper_funcs *encoder_helper_funcs;
struct drm_display_mode * (*get_config_mode)(struct drm_device *);
int (*get_panel_info)(struct drm_device *, int, struct panel_info *);
diff --git a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
index 49c92debb7b2..25e897b98f86 100644
--- a/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
+++ b/drivers/gpu/drm/gma500/mdfld_tmd_vid.c
@@ -188,13 +188,7 @@ static const struct drm_encoder_helper_funcs
.commit = mdfld_dsi_dpi_commit,
};
-/*TPO DPI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
const struct panel_funcs mdfld_tmd_vid_funcs = {
- .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs,
.encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
.get_config_mode = &tmd_vid_get_config_mode,
.get_panel_info = tmd_vid_get_panel_info,
diff --git a/drivers/gpu/drm/gma500/mdfld_tpo_vid.c b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c
index a9420bf9a419..11845978fb0a 100644
--- a/drivers/gpu/drm/gma500/mdfld_tpo_vid.c
+++ b/drivers/gpu/drm/gma500/mdfld_tpo_vid.c
@@ -76,13 +76,7 @@ static const struct drm_encoder_helper_funcs
.commit = mdfld_dsi_dpi_commit,
};
-/*TPO DPI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
const struct panel_funcs mdfld_tpo_vid_funcs = {
- .encoder_funcs = &mdfld_tpo_dpi_encoder_funcs,
.encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs,
.get_config_mode = &tpo_vid_get_config_mode,
.get_panel_info = tpo_vid_get_panel_info,
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
index f4370232767d..a097a59a9eae 100644
--- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
@@ -27,6 +27,7 @@
#include <linux/delay.h>
#include <drm/drm.h>
+#include <drm/drm_simple_kms_helper.h>
#include "psb_drv.h"
#include "psb_intel_drv.h"
@@ -620,15 +621,6 @@ static const struct drm_connector_funcs oaktrail_hdmi_connector_funcs = {
.destroy = oaktrail_hdmi_destroy,
};
-static void oaktrail_hdmi_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs oaktrail_hdmi_enc_funcs = {
- .destroy = oaktrail_hdmi_enc_destroy,
-};
-
void oaktrail_hdmi_init(struct drm_device *dev,
struct psb_intel_mode_device *mode_dev)
{
@@ -651,9 +643,7 @@ void oaktrail_hdmi_init(struct drm_device *dev,
&oaktrail_hdmi_connector_funcs,
DRM_MODE_CONNECTOR_DVID);
- drm_encoder_init(dev, encoder,
- &oaktrail_hdmi_enc_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_TMDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
@@ -673,11 +663,6 @@ failed_connector:
kfree(gma_encoder);
}
-static const struct pci_device_id hdmi_ids[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
- { 0 }
-};
-
void oaktrail_hdmi_setup(struct drm_device *dev)
{
struct drm_psb_private *dev_priv = dev->dev_private;
diff --git a/drivers/gpu/drm/gma500/oaktrail_lvds.c b/drivers/gpu/drm/gma500/oaktrail_lvds.c
index 582e09597500..2828360153d1 100644
--- a/drivers/gpu/drm/gma500/oaktrail_lvds.c
+++ b/drivers/gpu/drm/gma500/oaktrail_lvds.c
@@ -13,6 +13,8 @@
#include <asm/intel-mid.h>
+#include <drm/drm_simple_kms_helper.h>
+
#include "intel_bios.h"
#include "power.h"
#include "psb_drv.h"
@@ -311,8 +313,7 @@ void oaktrail_lvds_init(struct drm_device *dev,
&psb_intel_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
- drm_encoder_init(dev, encoder, &psb_intel_lvds_enc_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
gma_encoder->type = INTEL_OUTPUT_LVDS;
diff --git a/drivers/gpu/drm/gma500/psb_intel_drv.h b/drivers/gpu/drm/gma500/psb_intel_drv.h
index 16c6136f778b..fb601983cef0 100644
--- a/drivers/gpu/drm/gma500/psb_intel_drv.h
+++ b/drivers/gpu/drm/gma500/psb_intel_drv.h
@@ -252,7 +252,6 @@ extern int psb_intel_lvds_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value);
extern void psb_intel_lvds_destroy(struct drm_connector *connector);
-extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
/* intel_gmbus.c */
extern void gma_intel_i2c_reset(struct drm_device *dev);
diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c
index afaebab7bc17..063c66bb946d 100644
--- a/drivers/gpu/drm/gma500/psb_intel_lvds.c
+++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c
@@ -11,6 +11,8 @@
#include <linux/i2c.h>
#include <linux/pm_runtime.h>
+#include <drm/drm_simple_kms_helper.h>
+
#include "intel_bios.h"
#include "power.h"
#include "psb_drv.h"
@@ -621,18 +623,6 @@ const struct drm_connector_funcs psb_intel_lvds_connector_funcs = {
.destroy = psb_intel_lvds_destroy,
};
-
-static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = {
- .destroy = psb_intel_lvds_enc_destroy,
-};
-
-
-
/**
* psb_intel_lvds_init - setup LVDS connectors on this device
* @dev: drm device
@@ -683,9 +673,7 @@ void psb_intel_lvds_init(struct drm_device *dev,
&psb_intel_lvds_connector_funcs,
DRM_MODE_CONNECTOR_LVDS);
- drm_encoder_init(dev, encoder,
- &psb_intel_lvds_enc_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
gma_connector_attach_encoder(gma_connector, gma_encoder);
gma_encoder->type = INTEL_OUTPUT_LVDS;
diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index 264d7ad004b4..68fb3d7c172b 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -864,36 +864,6 @@ static bool psb_intel_sdvo_set_avi_infoframe(struct psb_intel_sdvo *psb_intel_sd
DRM_INFO("HDMI is not supported yet");
return false;
-#if 0
- struct dip_infoframe avi_if = {
- .type = DIP_TYPE_AVI,
- .ver = DIP_VERSION_AVI,
- .len = DIP_LEN_AVI,
- };
- uint8_t tx_rate = SDVO_HBUF_TX_VSYNC;
- uint8_t set_buf_index[2] = { 1, 0 };
- uint64_t *data = (uint64_t *)&avi_if;
- unsigned i;
-
- intel_dip_infoframe_csum(&avi_if);
-
- if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_INDEX,
- set_buf_index, 2))
- return false;
-
- for (i = 0; i < sizeof(avi_if); i += 8) {
- if (!psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_DATA,
- data, 8))
- return false;
- data++;
- }
-
- return psb_intel_sdvo_set_value(psb_intel_sdvo,
- SDVO_CMD_SET_HBUF_TXRATE,
- &tx_rate, 1);
-#endif
}
static bool psb_intel_sdvo_set_tv_format(struct psb_intel_sdvo *psb_intel_sdvo)
@@ -1227,75 +1197,6 @@ static bool psb_intel_sdvo_get_capabilities(struct psb_intel_sdvo *psb_intel_sdv
return true;
}
-/* No use! */
-#if 0
-struct drm_connector* psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
- struct drm_connector *connector = NULL;
- struct psb_intel_sdvo *iout = NULL;
- struct psb_intel_sdvo *sdvo;
-
- /* find the sdvo connector */
- list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
- iout = to_psb_intel_sdvo(connector);
-
- if (iout->type != INTEL_OUTPUT_SDVO)
- continue;
-
- sdvo = iout->dev_priv;
-
- if (sdvo->sdvo_reg == SDVOB && sdvoB)
- return connector;
-
- if (sdvo->sdvo_reg == SDVOC && !sdvoB)
- return connector;
-
- }
-
- return NULL;
-}
-
-int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
-{
- u8 response[2];
- u8 status;
- struct psb_intel_sdvo *psb_intel_sdvo;
- DRM_DEBUG_KMS("\n");
-
- if (!connector)
- return 0;
-
- psb_intel_sdvo = to_psb_intel_sdvo(connector);
-
- return psb_intel_sdvo_get_value(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
- &response, 2) && response[0];
-}
-
-void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
-{
- u8 response[2];
- u8 status;
- struct psb_intel_sdvo *psb_intel_sdvo = to_psb_intel_sdvo(connector);
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-
- if (on) {
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
- status = psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- } else {
- response[0] = 0;
- response[1] = 0;
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
- }
-
- psb_intel_sdvo_write_cmd(psb_intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, NULL, 0);
- psb_intel_sdvo_read_response(psb_intel_sdvo, &response, 2);
-}
-#endif
-
static bool
psb_intel_sdvo_multifunc_encoder(struct psb_intel_sdvo *psb_intel_sdvo)
{
diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
index 9e8224456ea2..e5bdd99ad453 100644
--- a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
+++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c
@@ -747,11 +747,11 @@ static int cmi_lcd_hack_create_device(void)
return -EINVAL;
}
- client = i2c_new_device(adapter, &info);
- if (!client) {
- pr_err("%s: i2c_new_device() failed\n", __func__);
+ client = i2c_new_client_device(adapter, &info);
+ if (IS_ERR(client)) {
+ pr_err("%s: creating I2C device failed\n", __func__);
i2c_put_adapter(adapter);
- return -EINVAL;
+ return PTR_ERR(client);
}
return 0;
@@ -765,12 +765,7 @@ static const struct drm_encoder_helper_funcs tc35876x_encoder_helper_funcs = {
.commit = mdfld_dsi_dpi_commit,
};
-static const struct drm_encoder_funcs tc35876x_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
const struct panel_funcs mdfld_tc35876x_funcs = {
- .encoder_funcs = &tc35876x_encoder_funcs,
.encoder_helper_funcs = &tc35876x_encoder_helper_funcs,
.get_config_mode = tc35876x_get_config_mode,
.get_panel_info = tc35876x_get_panel_info,
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
index 55b46a7150a5..cc70e836522f 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_de.c
@@ -94,6 +94,10 @@ static int hibmc_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
}
+ if (state->fb->pitches[0] % 128 != 0) {
+ DRM_DEBUG_ATOMIC("wrong stride with 128-byte aligned\n");
+ return -EINVAL;
+ }
return 0;
}
@@ -119,11 +123,8 @@ static void hibmc_plane_atomic_update(struct drm_plane *plane,
writel(gpu_addr, priv->mmio + HIBMC_CRT_FB_ADDRESS);
reg = state->fb->width * (state->fb->format->cpp[0]);
- /* now line_pad is 16 */
- reg = PADDING(16, reg);
- line_l = state->fb->width * state->fb->format->cpp[0];
- line_l = PADDING(16, line_l);
+ line_l = state->fb->pitches[0];
writel(HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_WIDTH, reg) |
HIBMC_FIELD(HIBMC_CRT_FB_WIDTH_OFFS, line_l),
priv->mmio + HIBMC_CRT_FB_WIDTH);
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index 222356a4f9a8..a6fd0c29e5b8 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -94,7 +94,7 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
priv->dev->mode_config.max_height = 1200;
priv->dev->mode_config.fb_base = priv->fb_base;
- priv->dev->mode_config.preferred_depth = 24;
+ priv->dev->mode_config.preferred_depth = 32;
priv->dev->mode_config.prefer_shadow = 1;
priv->dev->mode_config.funcs = (void *)&hibmc_mode_funcs;
@@ -307,11 +307,7 @@ static int hibmc_load(struct drm_device *dev)
/* reset all the states of crtc/plane/encoder/connector */
drm_mode_config_reset(dev);
- ret = drm_fbdev_generic_setup(dev, 16);
- if (ret) {
- DRM_ERROR("failed to initialize fbdev: %d\n", ret);
- goto err;
- }
+ drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
return 0;
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
index 99397ac3b363..322bd542e89d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c
@@ -50,7 +50,7 @@ void hibmc_mm_fini(struct hibmc_drm_private *hibmc)
int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
- return drm_gem_vram_fill_create_dumb(file, dev, 0, 16, args);
+ return drm_gem_vram_fill_create_dumb(file, dev, 0, 128, args);
}
const struct drm_mode_config_funcs hibmc_mode_funcs = {
diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
index f31068d74b18..00e87c290796 100644
--- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
+++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c
@@ -20,11 +20,11 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_device.h>
-#include <drm/drm_encoder_slave.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "dw_dsi_reg.h"
@@ -696,10 +696,6 @@ static const struct drm_encoder_helper_funcs dw_encoder_helper_funcs = {
.disable = dsi_encoder_disable
};
-static const struct drm_encoder_funcs dw_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int dw_drm_encoder_init(struct device *dev,
struct drm_device *drm_dev,
struct drm_encoder *encoder)
@@ -713,8 +709,7 @@ static int dw_drm_encoder_init(struct device *dev,
}
encoder->possible_crtcs = crtc_mask;
- ret = drm_encoder_init(drm_dev, encoder, &dw_encoder_funcs,
- DRM_MODE_ENCODER_DSI, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI);
if (ret) {
DRM_ERROR("failed to init dsi encoder\n");
return ret;
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
index 86000127d4ee..c339e632522a 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
@@ -940,7 +940,6 @@ static struct drm_driver ade_driver = {
};
struct kirin_drm_data ade_driver_data = {
- .register_connects = false,
.num_planes = ADE_CH_NUM,
.prim_plane = ADE_CH1,
.channel_formats = channel_formats,
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
index d3145ae877d7..4349da3e2379 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.c
@@ -219,40 +219,6 @@ static int kirin_drm_kms_cleanup(struct drm_device *dev)
return 0;
}
-static int kirin_drm_connectors_register(struct drm_device *dev)
-{
- struct drm_connector *connector;
- struct drm_connector *failed_connector;
- struct drm_connector_list_iter conn_iter;
- int ret;
-
- mutex_lock(&dev->mode_config.mutex);
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- ret = drm_connector_register(connector);
- if (ret) {
- failed_connector = connector;
- goto err;
- }
- }
- drm_connector_list_iter_end(&conn_iter);
- mutex_unlock(&dev->mode_config.mutex);
-
- return 0;
-
-err:
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- if (failed_connector == connector)
- break;
- drm_connector_unregister(connector);
- }
- drm_connector_list_iter_end(&conn_iter);
- mutex_unlock(&dev->mode_config.mutex);
-
- return ret;
-}
-
static int kirin_drm_bind(struct device *dev)
{
struct kirin_drm_data *driver_data;
@@ -279,17 +245,8 @@ static int kirin_drm_bind(struct device *dev)
drm_fbdev_generic_setup(drm_dev, 32);
- /* connectors should be registered after drm device register */
- if (driver_data->register_connects) {
- ret = kirin_drm_connectors_register(drm_dev);
- if (ret)
- goto err_drm_dev_unregister;
- }
-
return 0;
-err_drm_dev_unregister:
- drm_dev_unregister(drm_dev);
err_kms_cleanup:
kirin_drm_kms_cleanup(drm_dev);
err_drm_dev_put:
diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
index 4d5c05a24065..dee8ec2f7f2e 100644
--- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_drv.h
@@ -37,7 +37,6 @@ struct kirin_drm_data {
u32 channel_formats_cnt;
int config_max_width;
int config_max_height;
- bool register_connects;
u32 num_planes;
u32 prim_plane;
diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c
index a839f78a4c8a..741886b54419 100644
--- a/drivers/gpu/drm/i2c/sil164_drv.c
+++ b/drivers/gpu/drm/i2c/sil164_drv.c
@@ -393,7 +393,7 @@ sil164_detect_slave(struct i2c_client *client)
return NULL;
}
- return i2c_new_device(adap, &info);
+ return i2c_new_client_device(adap, &info);
}
static int
@@ -402,6 +402,7 @@ sil164_encoder_init(struct i2c_client *client,
struct drm_encoder_slave *encoder)
{
struct sil164_priv *priv;
+ struct i2c_client *slave_client;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -410,7 +411,9 @@ sil164_encoder_init(struct i2c_client *client,
encoder->slave_priv = priv;
encoder->slave_funcs = &sil164_encoder_funcs;
- priv->duallink_slave = sil164_detect_slave(client);
+ slave_client = sil164_detect_slave(client);
+ if (!IS_ERR(slave_client))
+ priv->duallink_slave = slave_client;
return 0;
}
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index c3332209f27a..9517f522dcb9 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -19,6 +19,7 @@
#include <drm/drm_of.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/i2c/tda998x.h>
#include <media/cec-notifier.h>
@@ -1132,7 +1133,8 @@ static void tda998x_audio_shutdown(struct device *dev, void *data)
mutex_unlock(&priv->audio_mutex);
}
-int tda998x_audio_digital_mute(struct device *dev, void *data, bool enable)
+static int tda998x_audio_digital_mute(struct device *dev, void *data,
+ bool enable)
{
struct tda998x_priv *priv = dev_get_drvdata(dev);
@@ -1949,9 +1951,9 @@ static int tda998x_create(struct device *dev)
cec_info.platform_data = &priv->cec_glue;
cec_info.irq = client->irq;
- priv->cec = i2c_new_device(client->adapter, &cec_info);
- if (!priv->cec) {
- ret = -ENODEV;
+ priv->cec = i2c_new_client_device(client->adapter, &cec_info);
+ if (IS_ERR(priv->cec)) {
+ ret = PTR_ERR(priv->cec);
goto fail;
}
@@ -1997,15 +1999,6 @@ err_irq:
/* DRM encoder functions */
-static void tda998x_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs tda998x_encoder_funcs = {
- .destroy = tda998x_encoder_destroy,
-};
-
static int tda998x_encoder_init(struct device *dev, struct drm_device *drm)
{
struct tda998x_priv *priv = dev_get_drvdata(dev);
@@ -2023,8 +2016,8 @@ static int tda998x_encoder_init(struct device *dev, struct drm_device *drm)
priv->encoder.possible_crtcs = crtcs;
- ret = drm_encoder_init(drm, &priv->encoder, &tda998x_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ ret = drm_simple_encoder_init(drm, &priv->encoder,
+ DRM_MODE_ENCODER_TMDS);
if (ret)
goto err_encoder;
diff --git a/drivers/gpu/drm/i915/Kconfig.profile b/drivers/gpu/drm/i915/Kconfig.profile
index 0bfd276c19fe..35bbe2b80596 100644
--- a/drivers/gpu/drm/i915/Kconfig.profile
+++ b/drivers/gpu/drm/i915/Kconfig.profile
@@ -1,3 +1,15 @@
+config DRM_I915_FENCE_TIMEOUT
+ int "Timeout for unsignaled foreign fences (ms, jiffy granularity)"
+ default 10000 # milliseconds
+ help
+ When listening to a foreign fence, we install a supplementary timer
+ to ensure that we are always signaled and our userspace is able to
+ make forward progress. This value specifies the timeout used for an
+ unsignaled foreign fence.
+
+ May be 0 to disable the timeout, and rely on the foreign fence being
+ eventually signaled.
+
config DRM_I915_USERFAULT_AUTOSUSPEND
int "Runtime autosuspend delay for userspace GGTT mmaps (ms)"
default 250 # milliseconds
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 6cd1f6253814..b0da6ea6e3f1 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -22,6 +22,7 @@ subdir-ccflags-y += $(call cc-disable-warning, sign-compare)
subdir-ccflags-y += $(call cc-disable-warning, sometimes-uninitialized)
subdir-ccflags-y += $(call cc-disable-warning, initializer-overrides)
subdir-ccflags-y += $(call cc-disable-warning, uninitialized)
+subdir-ccflags-y += $(call cc-disable-warning, frame-address)
subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror
# Fine grained warnings disable
@@ -34,6 +35,7 @@ subdir-ccflags-y += -I$(srctree)/$(src)
# core driver code
i915-y += i915_drv.o \
+ i915_config.o \
i915_irq.o \
i915_getparam.o \
i915_params.o \
@@ -86,10 +88,12 @@ gt-y += \
gt/intel_engine_cs.o \
gt/intel_engine_heartbeat.o \
gt/intel_engine_pm.o \
- gt/intel_engine_pool.o \
gt/intel_engine_user.o \
gt/intel_ggtt.o \
+ gt/intel_ggtt_fencing.o \
gt/intel_gt.o \
+ gt/intel_gt_buffer_pool.o \
+ gt/intel_gt_clock_utils.o \
gt/intel_gt_irq.o \
gt/intel_gt_pm.o \
gt/intel_gt_pm_irq.o \
@@ -108,6 +112,7 @@ gt-y += \
gt/intel_sseu.o \
gt/intel_timeline.o \
gt/intel_workarounds.o \
+ gt/shmem_utils.o \
gt/sysfs_engines.o
# autogenerated null render state
gt-y += \
@@ -150,7 +155,6 @@ i915-y += \
i915_buddy.o \
i915_cmd_parser.o \
i915_gem_evict.o \
- i915_gem_fence_reg.o \
i915_gem_gtt.o \
i915_gem.o \
i915_globals.o \
@@ -164,14 +168,18 @@ i915-y += \
# general-purpose microcontroller (GuC) support
i915-y += gt/uc/intel_uc.o \
+ gt/uc/intel_uc_debugfs.o \
gt/uc/intel_uc_fw.o \
gt/uc/intel_guc.o \
gt/uc/intel_guc_ads.o \
gt/uc/intel_guc_ct.o \
+ gt/uc/intel_guc_debugfs.o \
gt/uc/intel_guc_fw.o \
gt/uc/intel_guc_log.o \
+ gt/uc/intel_guc_log_debugfs.o \
gt/uc/intel_guc_submission.o \
gt/uc/intel_huc.o \
+ gt/uc/intel_huc_debugfs.o \
gt/uc/intel_huc_fw.o
# modesetting core code
@@ -240,23 +248,6 @@ i915-y += \
display/vlv_dsi.o \
display/vlv_dsi_pll.o
-# perf code
-i915-y += \
- oa/i915_oa_hsw.o \
- oa/i915_oa_bdw.o \
- oa/i915_oa_chv.o \
- oa/i915_oa_sklgt2.o \
- oa/i915_oa_sklgt3.o \
- oa/i915_oa_sklgt4.o \
- oa/i915_oa_bxt.o \
- oa/i915_oa_kblgt2.o \
- oa/i915_oa_kblgt3.o \
- oa/i915_oa_glk.o \
- oa/i915_oa_cflgt2.o \
- oa/i915_oa_cflgt3.o \
- oa/i915_oa_cnl.o \
- oa/i915_oa_icl.o \
- oa/i915_oa_tgl.o
i915-y += i915_perf.o
# Post-mortem debug and GPU hang state capture
@@ -270,7 +261,8 @@ i915-$(CONFIG_DRM_I915_SELFTEST) += \
selftests/igt_live_test.o \
selftests/igt_mmap.o \
selftests/igt_reset.o \
- selftests/igt_spinner.o
+ selftests/igt_spinner.o \
+ selftests/librapl.o
# virtual gpu code
i915-y += i915_vgpu.o
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 17cee6f80d8b..4fec5bd64920 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -36,15 +36,15 @@
#include "intel_panel.h"
#include "intel_vdsc.h"
-static inline int header_credits_available(struct drm_i915_private *dev_priv,
- enum transcoder dsi_trans)
+static int header_credits_available(struct drm_i915_private *dev_priv,
+ enum transcoder dsi_trans)
{
return (intel_de_read(dev_priv, DSI_CMD_TXCTL(dsi_trans)) & FREE_HEADER_CREDIT_MASK)
>> FREE_HEADER_CREDIT_SHIFT;
}
-static inline int payload_credits_available(struct drm_i915_private *dev_priv,
- enum transcoder dsi_trans)
+static int payload_credits_available(struct drm_i915_private *dev_priv,
+ enum transcoder dsi_trans)
{
return (intel_de_read(dev_priv, DSI_CMD_TXCTL(dsi_trans)) & FREE_PLOAD_CREDIT_MASK)
>> FREE_PLOAD_CREDIT_SHIFT;
@@ -186,16 +186,19 @@ static int dsi_send_pkt_hdr(struct intel_dsi_host *host,
static int dsi_send_pkt_payld(struct intel_dsi_host *host,
struct mipi_dsi_packet pkt)
{
+ struct intel_dsi *intel_dsi = host->intel_dsi;
+ struct drm_i915_private *i915 = to_i915(intel_dsi->base.base.dev);
+
/* payload queue can accept *256 bytes*, check limit */
if (pkt.payload_length > MAX_PLOAD_CREDIT * 4) {
- DRM_ERROR("payload size exceeds max queue limit\n");
+ drm_err(&i915->drm, "payload size exceeds max queue limit\n");
return -1;
}
/* load data into command payload queue */
if (!add_payld_to_queue(host, pkt.payload,
pkt.payload_length)) {
- DRM_ERROR("adding payload to queue failed\n");
+ drm_err(&i915->drm, "adding payload to queue failed\n");
return -1;
}
@@ -744,6 +747,18 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
tmp |= VIDEO_MODE_SYNC_PULSE;
break;
}
+ } else {
+ /*
+ * FIXME: Retrieve this info from VBT.
+ * As per the spec when dsi transcoder is operating
+ * in TE GATE mode, TE comes from GPIO
+ * which is UTIL PIN for DSI 0.
+ * Also this GPIO would not be used for other
+ * purposes is an assumption.
+ */
+ tmp &= ~OP_MODE_MASK;
+ tmp |= CMD_MODE_TE_GATE;
+ tmp |= TE_SOURCE_GPIO;
}
intel_de_write(dev_priv, DSI_TRANS_FUNC_CONF(dsi_trans), tmp);
@@ -837,14 +852,33 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
}
hactive = adjusted_mode->crtc_hdisplay;
- htotal = DIV_ROUND_UP(adjusted_mode->crtc_htotal * mul, div);
+
+ if (is_vid_mode(intel_dsi))
+ htotal = DIV_ROUND_UP(adjusted_mode->crtc_htotal * mul, div);
+ else
+ htotal = DIV_ROUND_UP((hactive + 160) * mul, div);
+
hsync_start = DIV_ROUND_UP(adjusted_mode->crtc_hsync_start * mul, div);
hsync_end = DIV_ROUND_UP(adjusted_mode->crtc_hsync_end * mul, div);
hsync_size = hsync_end - hsync_start;
hback_porch = (adjusted_mode->crtc_htotal -
adjusted_mode->crtc_hsync_end);
vactive = adjusted_mode->crtc_vdisplay;
- vtotal = adjusted_mode->crtc_vtotal;
+
+ if (is_vid_mode(intel_dsi)) {
+ vtotal = adjusted_mode->crtc_vtotal;
+ } else {
+ int bpp, line_time_us, byte_clk_period_ns;
+
+ if (crtc_state->dsc.compression_enable)
+ bpp = crtc_state->dsc.compressed_bpp;
+ else
+ bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
+
+ byte_clk_period_ns = 1000000 / afe_clk(encoder, crtc_state);
+ line_time_us = (htotal * (bpp / 8) * byte_clk_period_ns) / (1000 * intel_dsi->lane_count);
+ vtotal = vactive + DIV_ROUND_UP(400, line_time_us);
+ }
vsync_start = adjusted_mode->crtc_vsync_start;
vsync_end = adjusted_mode->crtc_vsync_end;
vsync_shift = hsync_start - htotal / 2;
@@ -873,7 +907,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
}
/* TRANS_HSYNC register to be programmed only for video mode */
- if (intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE) {
+ if (is_vid_mode(intel_dsi)) {
if (intel_dsi->video_mode_format ==
VIDEO_MODE_NON_BURST_WITH_SYNC_PULSE) {
/* BSPEC: hsync size should be atleast 16 pixels */
@@ -916,22 +950,27 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
if (vsync_start < vactive)
drm_err(&dev_priv->drm, "vsync_start less than vactive\n");
- /* program TRANS_VSYNC register */
- for_each_dsi_port(port, intel_dsi->ports) {
- dsi_trans = dsi_port_to_transcoder(port);
- intel_de_write(dev_priv, VSYNC(dsi_trans),
- (vsync_start - 1) | ((vsync_end - 1) << 16));
+ /* program TRANS_VSYNC register for video mode only */
+ if (is_vid_mode(intel_dsi)) {
+ for_each_dsi_port(port, intel_dsi->ports) {
+ dsi_trans = dsi_port_to_transcoder(port);
+ intel_de_write(dev_priv, VSYNC(dsi_trans),
+ (vsync_start - 1) | ((vsync_end - 1) << 16));
+ }
}
/*
- * FIXME: It has to be programmed only for interlaced
+ * FIXME: It has to be programmed only for video modes and interlaced
* modes. Put the check condition here once interlaced
* info available as described above.
* program TRANS_VSYNCSHIFT register
*/
- for_each_dsi_port(port, intel_dsi->ports) {
- dsi_trans = dsi_port_to_transcoder(port);
- intel_de_write(dev_priv, VSYNCSHIFT(dsi_trans), vsync_shift);
+ if (is_vid_mode(intel_dsi)) {
+ for_each_dsi_port(port, intel_dsi->ports) {
+ dsi_trans = dsi_port_to_transcoder(port);
+ intel_de_write(dev_priv, VSYNCSHIFT(dsi_trans),
+ vsync_shift);
+ }
}
/* program TRANS_VBLANK register, should be same as vtotal programmed */
@@ -1016,6 +1055,32 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder,
}
}
+static void gen11_dsi_config_util_pin(struct intel_encoder *encoder,
+ bool enable)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
+ u32 tmp;
+
+ /*
+ * used as TE i/p for DSI0,
+ * for dual link/DSI1 TE is from slave DSI1
+ * through GPIO.
+ */
+ if (is_vid_mode(intel_dsi) || (intel_dsi->ports & BIT(PORT_B)))
+ return;
+
+ tmp = intel_de_read(dev_priv, UTIL_PIN_CTL);
+
+ if (enable) {
+ tmp |= UTIL_PIN_DIRECTION_INPUT;
+ tmp |= UTIL_PIN_ENABLE;
+ } else {
+ tmp &= ~UTIL_PIN_ENABLE;
+ }
+ intel_de_write(dev_priv, UTIL_PIN_CTL, tmp);
+}
+
static void
gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state)
@@ -1037,6 +1102,9 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
/* setup D-PHY timings */
gen11_dsi_setup_dphy_timings(encoder, crtc_state);
+ /* Since transcoder is configured to take events from GPIO */
+ gen11_dsi_config_util_pin(encoder, true);
+
/* step 4h: setup DSI protocol timeouts */
gen11_dsi_setup_timeouts(encoder, crtc_state);
@@ -1088,7 +1156,8 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
wait_for_cmds_dispatched_to_panel(encoder);
}
-static void gen11_dsi_pre_pll_enable(struct intel_encoder *encoder,
+static void gen11_dsi_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -1099,7 +1168,8 @@ static void gen11_dsi_pre_pll_enable(struct intel_encoder *encoder,
gen11_dsi_program_esc_clk_div(encoder, crtc_state);
}
-static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
+static void gen11_dsi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -1118,13 +1188,14 @@ static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
gen11_dsi_set_transcoder_timings(encoder, pipe_config);
}
-static void gen11_dsi_enable(struct intel_encoder *encoder,
+static void gen11_dsi_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
- WARN_ON(crtc_state->has_pch_encoder);
+ drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
/* step6d: enable dsi transcoder */
gen11_dsi_enable_transcoder(encoder);
@@ -1180,6 +1251,15 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder)
enum transcoder dsi_trans;
u32 tmp;
+ /* disable periodic update mode */
+ if (is_cmd_mode(intel_dsi)) {
+ for_each_dsi_port(port, intel_dsi->ports) {
+ tmp = intel_de_read(dev_priv, DSI_CMD_FRMCTL(port));
+ tmp &= ~DSI_PERIODIC_FRAME_UPDATE_ENABLE;
+ intel_de_write(dev_priv, DSI_CMD_FRMCTL(port), tmp);
+ }
+ }
+
/* put dsi link in ULPS */
for_each_dsi_port(port, intel_dsi->ports) {
dsi_trans = dsi_port_to_transcoder(port);
@@ -1264,7 +1344,8 @@ static void gen11_dsi_disable_io_power(struct intel_encoder *encoder)
}
}
-static void gen11_dsi_disable(struct intel_encoder *encoder,
+static void gen11_dsi_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -1286,11 +1367,14 @@ static void gen11_dsi_disable(struct intel_encoder *encoder,
/* step3: disable port */
gen11_dsi_disable_port(encoder);
+ gen11_dsi_config_util_pin(encoder, false);
+
/* step4: disable IO power */
gen11_dsi_disable_io_power(encoder);
}
-static void gen11_dsi_post_disable(struct intel_encoder *encoder,
+static void gen11_dsi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -1347,6 +1431,22 @@ static void gen11_dsi_get_timings(struct intel_encoder *encoder,
adjusted_mode->crtc_vblank_end = adjusted_mode->crtc_vtotal;
}
+static bool gen11_dsi_is_periodic_cmd_mode(struct intel_dsi *intel_dsi)
+{
+ struct drm_device *dev = intel_dsi->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ enum transcoder dsi_trans;
+ u32 val;
+
+ if (intel_dsi->ports == BIT(PORT_B))
+ dsi_trans = TRANSCODER_DSI_1;
+ else
+ dsi_trans = TRANSCODER_DSI_0;
+
+ val = intel_de_read(dev_priv, DSI_TRANS_FUNC_CONF(dsi_trans));
+ return (val & DSI_PERIODIC_FRAME_UPDATE_ENABLE);
+}
+
static void gen11_dsi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
@@ -1367,6 +1467,10 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
gen11_dsi_get_timings(encoder, pipe_config);
pipe_config->output_types |= BIT(INTEL_OUTPUT_DSI);
pipe_config->pipe_bpp = bdw_get_pipemisc_bpp(crtc);
+
+ if (gen11_dsi_is_periodic_cmd_mode(intel_dsi))
+ pipe_config->hw.adjusted_mode.private_flags |=
+ I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE;
}
static int gen11_dsi_dsc_compute_config(struct intel_encoder *encoder,
@@ -1417,18 +1521,22 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi,
base);
struct intel_connector *intel_connector = intel_dsi->attached_connector;
- struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
const struct drm_display_mode *fixed_mode =
- intel_connector->panel.fixed_mode;
+ intel_connector->panel.fixed_mode;
struct drm_display_mode *adjusted_mode =
- &pipe_config->hw.adjusted_mode;
+ &pipe_config->hw.adjusted_mode;
+ int ret;
pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
intel_fixed_panel_mode(fixed_mode, adjusted_mode);
- intel_pch_panel_fitting(crtc, pipe_config, conn_state->scaling_mode);
+
+ ret = intel_pch_panel_fitting(pipe_config, conn_state);
+ if (ret)
+ return ret;
adjusted_mode->flags = 0;
@@ -1446,10 +1554,32 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
pipe_config->clock_set = true;
if (gen11_dsi_dsc_compute_config(encoder, pipe_config))
- DRM_DEBUG_KMS("Attempting to use DSC failed\n");
+ drm_dbg_kms(&i915->drm, "Attempting to use DSC failed\n");
pipe_config->port_clock = afe_clk(encoder, pipe_config) / 5;
+ /* We would not operate in periodic command mode */
+ pipe_config->hw.adjusted_mode.private_flags &=
+ ~I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE;
+
+ /*
+ * In case of TE GATE cmd mode, we
+ * receive TE from the slave if
+ * dual link is enabled
+ */
+ if (is_cmd_mode(intel_dsi)) {
+ if (intel_dsi->ports == (BIT(PORT_B) | BIT(PORT_A)))
+ pipe_config->hw.adjusted_mode.private_flags |=
+ I915_MODE_FLAG_DSI_USE_TE1 |
+ I915_MODE_FLAG_DSI_USE_TE0;
+ else if (intel_dsi->ports == BIT(PORT_B))
+ pipe_config->hw.adjusted_mode.private_flags |=
+ I915_MODE_FLAG_DSI_USE_TE1;
+ else
+ pipe_config->hw.adjusted_mode.private_flags |=
+ I915_MODE_FLAG_DSI_USE_TE0;
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index 457b258683d3..79032701873a 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -125,7 +125,7 @@ intel_plane_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct intel_plane_state *plane_state = to_intel_plane_state(state);
- WARN_ON(plane_state->vma);
+ drm_WARN_ON(plane->dev, plane_state->vma);
__drm_atomic_helper_plane_destroy_state(&plane_state->uapi);
if (plane_state->hw.fb)
@@ -264,6 +264,20 @@ void intel_plane_copy_uapi_to_hw_state(struct intel_plane_state *plane_state,
plane_state->hw.color_range = from_plane_state->uapi.color_range;
}
+void intel_plane_set_invisible(struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state)
+{
+ struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+
+ crtc_state->active_planes &= ~BIT(plane->id);
+ crtc_state->nv12_planes &= ~BIT(plane->id);
+ crtc_state->c8_planes &= ~BIT(plane->id);
+ crtc_state->data_rate[plane->id] = 0;
+ crtc_state->min_cdclk[plane->id] = 0;
+
+ plane_state->uapi.visible = false;
+}
+
int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_state,
struct intel_crtc_state *new_crtc_state,
const struct intel_plane_state *old_plane_state,
@@ -273,12 +287,7 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
const struct drm_framebuffer *fb = new_plane_state->hw.fb;
int ret;
- new_crtc_state->active_planes &= ~BIT(plane->id);
- new_crtc_state->nv12_planes &= ~BIT(plane->id);
- new_crtc_state->c8_planes &= ~BIT(plane->id);
- new_crtc_state->data_rate[plane->id] = 0;
- new_crtc_state->min_cdclk[plane->id] = 0;
- new_plane_state->uapi.visible = false;
+ intel_plane_set_invisible(new_crtc_state, new_plane_state);
if (!new_plane_state->hw.crtc && !old_plane_state->hw.crtc)
return 0;
@@ -387,7 +396,7 @@ skl_next_plane_to_commit(struct intel_atomic_state *state,
}
/* should never happen */
- WARN_ON(1);
+ drm_WARN_ON(state->base.dev, 1);
return NULL;
}
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
index a6bbf42bae1f..59dd1fbb02ea 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
@@ -52,5 +52,7 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
int intel_plane_calc_min_cdclk(struct intel_atomic_state *state,
struct intel_plane *plane,
bool *need_cdclk_calc);
+void intel_plane_set_invisible(struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state);
#endif /* __INTEL_ATOMIC_PLANE_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 62f234f641de..ad4aa66fd676 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -252,14 +252,16 @@ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_sta
i = ARRAY_SIZE(hdmi_audio_clock);
if (i == ARRAY_SIZE(hdmi_audio_clock)) {
- DRM_DEBUG_KMS("HDMI audio pixel clock setting for %d not found, falling back to defaults\n",
- adjusted_mode->crtc_clock);
+ drm_dbg_kms(&dev_priv->drm,
+ "HDMI audio pixel clock setting for %d not found, falling back to defaults\n",
+ adjusted_mode->crtc_clock);
i = 1;
}
- DRM_DEBUG_KMS("Configuring HDMI audio for pixel clock %d (0x%08x)\n",
- hdmi_audio_clock[i].clock,
- hdmi_audio_clock[i].config);
+ drm_dbg_kms(&dev_priv->drm,
+ "Configuring HDMI audio for pixel clock %d (0x%08x)\n",
+ hdmi_audio_clock[i].clock,
+ hdmi_audio_clock[i].config);
return hdmi_audio_clock[i].config;
}
@@ -512,6 +514,124 @@ static void hsw_audio_codec_disable(struct intel_encoder *encoder,
mutex_unlock(&dev_priv->av_mutex);
}
+static unsigned int calc_hblank_early_prog(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ unsigned int link_clks_available, link_clks_required;
+ unsigned int tu_data, tu_line, link_clks_active;
+ unsigned int h_active, h_total, hblank_delta, pixel_clk;
+ unsigned int fec_coeff, cdclk, vdsc_bpp;
+ unsigned int link_clk, lanes;
+ unsigned int hblank_rise;
+
+ h_active = crtc_state->hw.adjusted_mode.crtc_hdisplay;
+ h_total = crtc_state->hw.adjusted_mode.crtc_htotal;
+ pixel_clk = crtc_state->hw.adjusted_mode.crtc_clock;
+ vdsc_bpp = crtc_state->dsc.compressed_bpp;
+ cdclk = i915->cdclk.hw.cdclk;
+ /* fec= 0.972261, using rounding multiplier of 1000000 */
+ fec_coeff = 972261;
+ link_clk = crtc_state->port_clock;
+ lanes = crtc_state->lane_count;
+
+ drm_dbg_kms(&i915->drm, "h_active = %u link_clk = %u :"
+ "lanes = %u vdsc_bpp = %u cdclk = %u\n",
+ h_active, link_clk, lanes, vdsc_bpp, cdclk);
+
+ if (WARN_ON(!link_clk || !pixel_clk || !lanes || !vdsc_bpp || !cdclk))
+ return 0;
+
+ link_clks_available = (h_total - h_active) * link_clk / pixel_clk - 28;
+ link_clks_required = DIV_ROUND_UP(192000 * h_total, 1000 * pixel_clk) * (48 / lanes + 2);
+
+ if (link_clks_available > link_clks_required)
+ hblank_delta = 32;
+ else
+ hblank_delta = DIV64_U64_ROUND_UP(mul_u32_u32(5 * (link_clk + cdclk), pixel_clk),
+ mul_u32_u32(link_clk, cdclk));
+
+ tu_data = div64_u64(mul_u32_u32(pixel_clk * vdsc_bpp * 8, 1000000),
+ mul_u32_u32(link_clk * lanes, fec_coeff));
+ tu_line = div64_u64(h_active * mul_u32_u32(link_clk, fec_coeff),
+ mul_u32_u32(64 * pixel_clk, 1000000));
+ link_clks_active = (tu_line - 1) * 64 + tu_data;
+
+ hblank_rise = (link_clks_active + 6 * DIV_ROUND_UP(link_clks_active, 250) + 4) * pixel_clk / link_clk;
+
+ return h_active - hblank_rise + hblank_delta;
+}
+
+static unsigned int calc_samples_room(const struct intel_crtc_state *crtc_state)
+{
+ unsigned int h_active, h_total, pixel_clk;
+ unsigned int link_clk, lanes;
+
+ h_active = crtc_state->hw.adjusted_mode.hdisplay;
+ h_total = crtc_state->hw.adjusted_mode.htotal;
+ pixel_clk = crtc_state->hw.adjusted_mode.clock;
+ link_clk = crtc_state->port_clock;
+ lanes = crtc_state->lane_count;
+
+ return ((h_total - h_active) * link_clk - 12 * pixel_clk) /
+ (pixel_clk * (48 / lanes + 2));
+}
+
+static void enable_audio_dsc_wa(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ enum pipe pipe = crtc->pipe;
+ unsigned int hblank_early_prog, samples_room;
+ unsigned int val;
+
+ if (INTEL_GEN(i915) < 11)
+ return;
+
+ val = intel_de_read(i915, AUD_CONFIG_BE);
+
+ if (INTEL_GEN(i915) == 11)
+ val |= HBLANK_EARLY_ENABLE_ICL(pipe);
+ else if (INTEL_GEN(i915) >= 12)
+ val |= HBLANK_EARLY_ENABLE_TGL(pipe);
+
+ if (crtc_state->dsc.compression_enable &&
+ (crtc_state->hw.adjusted_mode.hdisplay >= 3840 &&
+ crtc_state->hw.adjusted_mode.vdisplay >= 2160)) {
+ /* Get hblank early enable value required */
+ hblank_early_prog = calc_hblank_early_prog(encoder, crtc_state);
+ if (hblank_early_prog < 32) {
+ val &= ~HBLANK_START_COUNT_MASK(pipe);
+ val |= HBLANK_START_COUNT(pipe, HBLANK_START_COUNT_32);
+ } else if (hblank_early_prog < 64) {
+ val &= ~HBLANK_START_COUNT_MASK(pipe);
+ val |= HBLANK_START_COUNT(pipe, HBLANK_START_COUNT_64);
+ } else if (hblank_early_prog < 96) {
+ val &= ~HBLANK_START_COUNT_MASK(pipe);
+ val |= HBLANK_START_COUNT(pipe, HBLANK_START_COUNT_96);
+ } else {
+ val &= ~HBLANK_START_COUNT_MASK(pipe);
+ val |= HBLANK_START_COUNT(pipe, HBLANK_START_COUNT_128);
+ }
+
+ /* Get samples room value required */
+ samples_room = calc_samples_room(crtc_state);
+ if (samples_room < 3) {
+ val &= ~NUMBER_SAMPLES_PER_LINE_MASK(pipe);
+ val |= NUMBER_SAMPLES_PER_LINE(pipe, samples_room);
+ } else {
+ /* Program 0 i.e "All Samples available in buffer" */
+ val &= ~NUMBER_SAMPLES_PER_LINE_MASK(pipe);
+ val |= NUMBER_SAMPLES_PER_LINE(pipe, 0x0);
+ }
+ }
+
+ intel_de_write(i915, AUD_CONFIG_BE, val);
+}
+
+#undef ROUNDING_FACTOR
+
static void hsw_audio_codec_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
@@ -529,6 +649,10 @@ static void hsw_audio_codec_enable(struct intel_encoder *encoder,
mutex_lock(&dev_priv->av_mutex);
+ /* Enable Audio WA for 4k DSC usecases */
+ if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP))
+ enable_audio_dsc_wa(encoder, crtc_state);
+
/* Enable audio presence detect, invalidate ELD */
tmp = intel_de_read(dev_priv, HSW_AUD_PIN_ELD_CP_VLD);
tmp |= AUDIO_OUTPUT_ENABLE(cpu_transcoder);
@@ -891,7 +1015,7 @@ static unsigned long i915_audio_component_get_power(struct device *kdev)
ret = intel_display_power_get(dev_priv, POWER_DOMAIN_AUDIO);
if (dev_priv->audio_power_refcount++ == 0) {
- if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
+ if (INTEL_GEN(dev_priv) >= 9) {
intel_de_write(dev_priv, AUD_FREQ_CNTRL,
dev_priv->audio_freq_cntrl);
drm_dbg_kms(&dev_priv->drm,
@@ -931,7 +1055,7 @@ static void i915_audio_component_codec_wake_override(struct device *kdev,
unsigned long cookie;
u32 tmp;
- if (!IS_GEN(dev_priv, 9))
+ if (INTEL_GEN(dev_priv) < 9)
return;
cookie = i915_audio_component_get_power(kdev);
@@ -1136,6 +1260,10 @@ static void i915_audio_component_unbind(struct device *i915_kdev,
drm_modeset_unlock_all(&dev_priv->drm);
device_link_remove(hda_kdev, i915_kdev);
+
+ if (dev_priv->audio_power_refcount)
+ drm_err(&dev_priv->drm, "audio power refcount %d after unbind\n",
+ dev_priv->audio_power_refcount);
}
static const struct component_ops i915_audio_component_bind_ops = {
@@ -1173,7 +1301,7 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
return;
}
- if (IS_TIGERLAKE(dev_priv) || IS_ICELAKE(dev_priv)) {
+ if (INTEL_GEN(dev_priv) >= 9) {
dev_priv->audio_freq_cntrl = intel_de_read(dev_priv,
AUD_FREQ_CNTRL);
drm_dbg_kms(&dev_priv->drm,
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 58b264bc318d..fef04e2d954e 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -8,6 +8,9 @@
#include "intel_bw.h"
#include "intel_display_types.h"
#include "intel_sideband.h"
+#include "intel_atomic.h"
+#include "intel_pm.h"
+
/* Parameters for Qclk Geyserville (QGV) */
struct intel_qgv_point {
@@ -113,6 +116,26 @@ static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv,
return 0;
}
+int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
+ u32 points_mask)
+{
+ int ret;
+
+ /* bspec says to keep retrying for at least 1 ms */
+ ret = skl_pcode_request(dev_priv, ICL_PCODE_SAGV_DE_MEM_SS_CONFIG,
+ points_mask,
+ ICL_PCODE_POINTS_RESTRICTED_MASK,
+ ICL_PCODE_POINTS_RESTRICTED,
+ 1);
+
+ if (ret < 0) {
+ drm_err(&dev_priv->drm, "Failed to disable qgv points (%d)\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
struct intel_qgv_info *qi)
{
@@ -240,6 +263,16 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel
break;
}
+ /*
+ * In case if SAGV is disabled in BIOS, we always get 1
+ * SAGV point, but we can't send PCode commands to restrict it
+ * as it will fail and pointless anyway.
+ */
+ if (qi.num_points == 1)
+ dev_priv->sagv_status = I915_SAGV_NOT_CONTROLLED;
+ else
+ dev_priv->sagv_status = I915_SAGV_ENABLED;
+
return 0;
}
@@ -248,6 +281,11 @@ static unsigned int icl_max_bw(struct drm_i915_private *dev_priv,
{
int i;
+ /*
+ * Let's return max bw for 0 planes
+ */
+ num_planes = max(1, num_planes);
+
for (i = 0; i < ARRAY_SIZE(dev_priv->max_bw); i++) {
const struct intel_bw_info *bi =
&dev_priv->max_bw[i];
@@ -277,34 +315,6 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv)
icl_get_bw_info(dev_priv, &icl_sa_info);
}
-static unsigned int intel_max_data_rate(struct drm_i915_private *dev_priv,
- int num_planes)
-{
- if (INTEL_GEN(dev_priv) >= 11) {
- /*
- * Any bw group has same amount of QGV points
- */
- const struct intel_bw_info *bi =
- &dev_priv->max_bw[0];
- unsigned int min_bw = UINT_MAX;
- int i;
-
- /*
- * FIXME with SAGV disabled maybe we can assume
- * point 1 will always be used? Seems to match
- * the behaviour observed in the wild.
- */
- for (i = 0; i < bi->num_qgv_points; i++) {
- unsigned int bw = icl_max_bw(dev_priv, num_planes, i);
-
- min_bw = min(bw, min_bw);
- }
- return min_bw;
- } else {
- return UINT_MAX;
- }
-}
-
static unsigned int intel_bw_crtc_num_active_planes(const struct intel_crtc_state *crtc_state)
{
/*
@@ -338,16 +348,17 @@ void intel_bw_crtc_update(struct intel_bw_state *bw_state,
const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *i915 = to_i915(crtc->base.dev);
bw_state->data_rate[crtc->pipe] =
intel_bw_crtc_data_rate(crtc_state);
bw_state->num_active_planes[crtc->pipe] =
intel_bw_crtc_num_active_planes(crtc_state);
- DRM_DEBUG_KMS("pipe %c data rate %u num active planes %u\n",
- pipe_name(crtc->pipe),
- bw_state->data_rate[crtc->pipe],
- bw_state->num_active_planes[crtc->pipe]);
+ drm_dbg_kms(&i915->drm, "pipe %c data rate %u num active planes %u\n",
+ pipe_name(crtc->pipe),
+ bw_state->data_rate[crtc->pipe],
+ bw_state->num_active_planes[crtc->pipe]);
}
static unsigned int intel_bw_num_active_planes(struct drm_i915_private *dev_priv,
@@ -374,7 +385,29 @@ static unsigned int intel_bw_data_rate(struct drm_i915_private *dev_priv,
return data_rate;
}
-static struct intel_bw_state *
+struct intel_bw_state *
+intel_atomic_get_old_bw_state(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ struct intel_global_state *bw_state;
+
+ bw_state = intel_atomic_get_old_global_obj_state(state, &dev_priv->bw_obj);
+
+ return to_intel_bw_state(bw_state);
+}
+
+struct intel_bw_state *
+intel_atomic_get_new_bw_state(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ struct intel_global_state *bw_state;
+
+ bw_state = intel_atomic_get_new_global_obj_state(state, &dev_priv->bw_obj);
+
+ return to_intel_bw_state(bw_state);
+}
+
+struct intel_bw_state *
intel_atomic_get_bw_state(struct intel_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
@@ -391,11 +424,16 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
struct intel_crtc_state *new_crtc_state, *old_crtc_state;
- struct intel_bw_state *bw_state = NULL;
- unsigned int data_rate, max_data_rate;
+ struct intel_bw_state *new_bw_state = NULL;
+ const struct intel_bw_state *old_bw_state = NULL;
+ unsigned int data_rate;
unsigned int num_active_planes;
struct intel_crtc *crtc;
int i, ret;
+ u32 allowed_points = 0;
+ unsigned int max_bw_point = 0, max_bw = 0;
+ unsigned int num_qgv_points = dev_priv->max_bw[0].num_qgv_points;
+ u32 mask = (1 << num_qgv_points) - 1;
/* FIXME earlier gens need some checks too */
if (INTEL_GEN(dev_priv) < 11)
@@ -420,41 +458,93 @@ int intel_bw_atomic_check(struct intel_atomic_state *state)
old_active_planes == new_active_planes)
continue;
- bw_state = intel_atomic_get_bw_state(state);
- if (IS_ERR(bw_state))
- return PTR_ERR(bw_state);
+ new_bw_state = intel_atomic_get_bw_state(state);
+ if (IS_ERR(new_bw_state))
+ return PTR_ERR(new_bw_state);
- bw_state->data_rate[crtc->pipe] = new_data_rate;
- bw_state->num_active_planes[crtc->pipe] = new_active_planes;
+ new_bw_state->data_rate[crtc->pipe] = new_data_rate;
+ new_bw_state->num_active_planes[crtc->pipe] = new_active_planes;
drm_dbg_kms(&dev_priv->drm,
"pipe %c data rate %u num active planes %u\n",
pipe_name(crtc->pipe),
- bw_state->data_rate[crtc->pipe],
- bw_state->num_active_planes[crtc->pipe]);
+ new_bw_state->data_rate[crtc->pipe],
+ new_bw_state->num_active_planes[crtc->pipe]);
}
- if (!bw_state)
+ if (!new_bw_state)
return 0;
- ret = intel_atomic_lock_global_state(&bw_state->base);
+ ret = intel_atomic_lock_global_state(&new_bw_state->base);
if (ret)
return ret;
- data_rate = intel_bw_data_rate(dev_priv, bw_state);
- num_active_planes = intel_bw_num_active_planes(dev_priv, bw_state);
+ data_rate = intel_bw_data_rate(dev_priv, new_bw_state);
+ data_rate = DIV_ROUND_UP(data_rate, 1000);
- max_data_rate = intel_max_data_rate(dev_priv, num_active_planes);
+ num_active_planes = intel_bw_num_active_planes(dev_priv, new_bw_state);
- data_rate = DIV_ROUND_UP(data_rate, 1000);
+ for (i = 0; i < num_qgv_points; i++) {
+ unsigned int max_data_rate;
- if (data_rate > max_data_rate) {
- drm_dbg_kms(&dev_priv->drm,
- "Bandwidth %u MB/s exceeds max available %d MB/s (%d active planes)\n",
- data_rate, max_data_rate, num_active_planes);
+ max_data_rate = icl_max_bw(dev_priv, num_active_planes, i);
+ /*
+ * We need to know which qgv point gives us
+ * maximum bandwidth in order to disable SAGV
+ * if we find that we exceed SAGV block time
+ * with watermarks. By that moment we already
+ * have those, as it is calculated earlier in
+ * intel_atomic_check,
+ */
+ if (max_data_rate > max_bw) {
+ max_bw_point = i;
+ max_bw = max_data_rate;
+ }
+ if (max_data_rate >= data_rate)
+ allowed_points |= BIT(i);
+ drm_dbg_kms(&dev_priv->drm, "QGV point %d: max bw %d required %d\n",
+ i, max_data_rate, data_rate);
+ }
+
+ /*
+ * BSpec states that we always should have at least one allowed point
+ * left, so if we couldn't - simply reject the configuration for obvious
+ * reasons.
+ */
+ if (allowed_points == 0) {
+ drm_dbg_kms(&dev_priv->drm, "No QGV points provide sufficient memory"
+ " bandwidth %d for display configuration(%d active planes).\n",
+ data_rate, num_active_planes);
return -EINVAL;
}
+ /*
+ * Leave only single point with highest bandwidth, if
+ * we can't enable SAGV due to the increased memory latency it may
+ * cause.
+ */
+ if (!intel_can_enable_sagv(dev_priv, new_bw_state)) {
+ allowed_points = BIT(max_bw_point);
+ drm_dbg_kms(&dev_priv->drm, "No SAGV, using single QGV point %d\n",
+ max_bw_point);
+ }
+ /*
+ * We store the ones which need to be masked as that is what PCode
+ * actually accepts as a parameter.
+ */
+ new_bw_state->qgv_points_mask = ~allowed_points & mask;
+
+ old_bw_state = intel_atomic_get_old_bw_state(state);
+ /*
+ * If the actual mask had changed we need to make sure that
+ * the commits are serialized(in case this is a nomodeset, nonblocking)
+ */
+ if (new_bw_state->qgv_points_mask != old_bw_state->qgv_points_mask) {
+ ret = intel_atomic_serialize_global_state(&new_bw_state->base);
+ if (ret)
+ return ret;
+ }
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
index a8aa7624c5aa..bbcaaa73ec1b 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.h
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -18,16 +18,43 @@ struct intel_crtc_state;
struct intel_bw_state {
struct intel_global_state base;
+ /*
+ * Contains a bit mask, used to determine, whether correspondent
+ * pipe allows SAGV or not.
+ */
+ u8 pipe_sagv_reject;
+
+ /*
+ * Current QGV points mask, which restricts
+ * some particular SAGV states, not to confuse
+ * with pipe_sagv_mask.
+ */
+ u8 qgv_points_mask;
+
unsigned int data_rate[I915_MAX_PIPES];
u8 num_active_planes[I915_MAX_PIPES];
+
+ /* bitmask of active pipes */
+ u8 active_pipes;
};
#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
+struct intel_bw_state *
+intel_atomic_get_old_bw_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_atomic_get_new_bw_state(struct intel_atomic_state *state);
+
+struct intel_bw_state *
+intel_atomic_get_bw_state(struct intel_atomic_state *state);
+
void intel_bw_init_hw(struct drm_i915_private *dev_priv);
int intel_bw_init(struct drm_i915_private *dev_priv);
int intel_bw_atomic_check(struct intel_atomic_state *state);
void intel_bw_crtc_update(struct intel_bw_state *bw_state,
const struct intel_crtc_state *crtc_state);
+int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
+ u32 points_mask);
#endif /* __INTEL_BW_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index c1cce93a1c25..98ece9cd7cdd 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -460,6 +460,16 @@ static void ilk_lut_10_pack(struct drm_color_lut *entry, u32 val)
entry->blue = intel_color_lut_pack(REG_FIELD_GET(PREC_PALETTE_BLUE_MASK, val), 10);
}
+static void icl_lut_multi_seg_pack(struct drm_color_lut *entry, u32 ldw, u32 udw)
+{
+ entry->red = REG_FIELD_GET(PAL_PREC_MULTI_SEG_RED_UDW_MASK, udw) << 6 |
+ REG_FIELD_GET(PAL_PREC_MULTI_SEG_RED_LDW_MASK, ldw);
+ entry->green = REG_FIELD_GET(PAL_PREC_MULTI_SEG_GREEN_UDW_MASK, udw) << 6 |
+ REG_FIELD_GET(PAL_PREC_MULTI_SEG_GREEN_LDW_MASK, ldw);
+ entry->blue = REG_FIELD_GET(PAL_PREC_MULTI_SEG_BLUE_UDW_MASK, udw) << 6 |
+ REG_FIELD_GET(PAL_PREC_MULTI_SEG_BLUE_LDW_MASK, ldw);
+}
+
static void i9xx_color_commit(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -893,7 +903,7 @@ icl_load_gcmax(const struct intel_crtc_state *crtc_state,
struct intel_dsb *dsb = intel_dsb_get(crtc);
enum pipe pipe = crtc->pipe;
- /* Fixme: LUT entries are 16 bit only, so we can prog 0xFFFF max */
+ /* FIXME LUT entries are 16 bit only, so we can prog 0xFFFF max */
intel_dsb_reg_write(dsb, PREC_PAL_GC_MAX(pipe, 0), color->red);
intel_dsb_reg_write(dsb, PREC_PAL_GC_MAX(pipe, 1), color->green);
intel_dsb_reg_write(dsb, PREC_PAL_GC_MAX(pipe, 2), color->blue);
@@ -1630,6 +1640,24 @@ static int glk_gamma_precision(const struct intel_crtc_state *crtc_state)
}
}
+static int icl_gamma_precision(const struct intel_crtc_state *crtc_state)
+{
+ if ((crtc_state->gamma_mode & POST_CSC_GAMMA_ENABLE) == 0)
+ return 0;
+
+ switch (crtc_state->gamma_mode & GAMMA_MODE_MODE_MASK) {
+ case GAMMA_MODE_MODE_8BIT:
+ return 8;
+ case GAMMA_MODE_MODE_10BIT:
+ return 10;
+ case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
+ return 16;
+ default:
+ MISSING_CASE(crtc_state->gamma_mode);
+ return 0;
+ }
+}
+
int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -1641,7 +1669,9 @@ int intel_color_get_gamma_bit_precision(const struct intel_crtc_state *crtc_stat
else
return i9xx_gamma_precision(crtc_state);
} else {
- if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+ if (INTEL_GEN(dev_priv) >= 11)
+ return icl_gamma_precision(crtc_state);
+ else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
return glk_gamma_precision(crtc_state);
else if (IS_IRONLAKE(dev_priv))
return ilk_gamma_precision(crtc_state);
@@ -1658,9 +1688,9 @@ static bool err_check(struct drm_color_lut *lut1,
((abs((long)lut2->green - lut1->green)) <= err);
}
-static bool intel_color_lut_entry_equal(struct drm_color_lut *lut1,
- struct drm_color_lut *lut2,
- int lut_size, u32 err)
+static bool intel_color_lut_entries_equal(struct drm_color_lut *lut1,
+ struct drm_color_lut *lut2,
+ int lut_size, u32 err)
{
int i;
@@ -1690,16 +1720,8 @@ bool intel_color_lut_equal(struct drm_property_blob *blob1,
lut_size2 = drm_color_lut_size(blob2);
/* check sw and hw lut size */
- switch (gamma_mode) {
- case GAMMA_MODE_MODE_8BIT:
- case GAMMA_MODE_MODE_10BIT:
- if (lut_size1 != lut_size2)
- return false;
- break;
- default:
- MISSING_CASE(gamma_mode);
- return false;
- }
+ if (lut_size1 != lut_size2)
+ return false;
lut1 = blob1->data;
lut2 = blob2->data;
@@ -1707,11 +1729,16 @@ bool intel_color_lut_equal(struct drm_property_blob *blob1,
err = 0xffff >> bit_precision;
/* check sw and hw lut entry to be equal */
- switch (gamma_mode) {
+ switch (gamma_mode & GAMMA_MODE_MODE_MASK) {
case GAMMA_MODE_MODE_8BIT:
case GAMMA_MODE_MODE_10BIT:
- if (!intel_color_lut_entry_equal(lut1, lut2,
- lut_size2, err))
+ if (!intel_color_lut_entries_equal(lut1, lut2,
+ lut_size2, err))
+ return false;
+ break;
+ case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
+ if (!intel_color_lut_entries_equal(lut1, lut2,
+ 9, err))
return false;
break;
default:
@@ -1946,6 +1973,63 @@ static void glk_read_luts(struct intel_crtc_state *crtc_state)
crtc_state->hw.gamma_lut = glk_read_lut_10(crtc, PAL_PREC_INDEX_VALUE(0));
}
+static struct drm_property_blob *
+icl_read_lut_multi_segment(struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ int i, lut_size = INTEL_INFO(dev_priv)->color.gamma_lut_size;
+ enum pipe pipe = crtc->pipe;
+ struct drm_property_blob *blob;
+ struct drm_color_lut *lut;
+
+ blob = drm_property_create_blob(&dev_priv->drm,
+ sizeof(struct drm_color_lut) * lut_size,
+ NULL);
+ if (IS_ERR(blob))
+ return NULL;
+
+ lut = blob->data;
+
+ intel_de_write(dev_priv, PREC_PAL_MULTI_SEG_INDEX(pipe),
+ PAL_PREC_AUTO_INCREMENT);
+
+ for (i = 0; i < 9; i++) {
+ u32 ldw = intel_de_read(dev_priv, PREC_PAL_MULTI_SEG_DATA(pipe));
+ u32 udw = intel_de_read(dev_priv, PREC_PAL_MULTI_SEG_DATA(pipe));
+
+ icl_lut_multi_seg_pack(&lut[i], ldw, udw);
+ }
+
+ intel_de_write(dev_priv, PREC_PAL_MULTI_SEG_INDEX(pipe), 0);
+
+ /*
+ * FIXME readouts from PAL_PREC_DATA register aren't giving
+ * correct values in the case of fine and coarse segments.
+ * Restricting readouts only for super fine segment as of now.
+ */
+
+ return blob;
+}
+
+static void icl_read_luts(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+
+ if ((crtc_state->gamma_mode & POST_CSC_GAMMA_ENABLE) == 0)
+ return;
+
+ switch (crtc_state->gamma_mode & GAMMA_MODE_MODE_MASK) {
+ case GAMMA_MODE_MODE_8BIT:
+ crtc_state->hw.gamma_lut = ilk_read_lut_8(crtc);
+ break;
+ case GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED:
+ crtc_state->hw.gamma_lut = icl_read_lut_multi_segment(crtc);
+ break;
+ default:
+ crtc_state->hw.gamma_lut = glk_read_lut_10(crtc, PAL_PREC_INDEX_VALUE(0));
+ }
+}
+
void intel_color_init(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -1989,6 +2073,7 @@ void intel_color_init(struct intel_crtc *crtc)
if (INTEL_GEN(dev_priv) >= 11) {
dev_priv->display.load_luts = icl_load_luts;
+ dev_priv->display.read_luts = icl_read_luts;
} else if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv)) {
dev_priv->display.load_luts = glk_load_luts;
dev_priv->display.read_luts = glk_read_luts;
diff --git a/drivers/gpu/drm/i915/display/intel_connector.c b/drivers/gpu/drm/i915/display/intel_connector.c
index 903e49659f56..406e96785c76 100644
--- a/drivers/gpu/drm/i915/display/intel_connector.c
+++ b/drivers/gpu/drm/i915/display/intel_connector.c
@@ -33,6 +33,7 @@
#include "i915_drv.h"
#include "intel_connector.h"
+#include "intel_display_debugfs.h"
#include "intel_display_types.h"
#include "intel_hdcp.h"
@@ -123,6 +124,8 @@ int intel_connector_register(struct drm_connector *connector)
goto err_backlight;
}
+ intel_connector_debugfs_add(connector);
+
return 0;
err_backlight:
@@ -290,7 +293,7 @@ intel_attach_colorspace_property(struct drm_connector *connector)
return;
break;
default:
- DRM_DEBUG_KMS("Colorspace property not supported\n");
+ MISSING_CASE(connector->connector_type);
return;
}
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index 78f9b6cde810..2f5b9a4baafd 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -203,27 +203,31 @@ static void intel_crt_set_dpms(struct intel_encoder *encoder,
intel_de_write(dev_priv, crt->adpa_reg, adpa);
}
-static void intel_disable_crt(struct intel_encoder *encoder,
+static void intel_disable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
intel_crt_set_dpms(encoder, old_crtc_state, DRM_MODE_DPMS_OFF);
}
-static void pch_disable_crt(struct intel_encoder *encoder,
+static void pch_disable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
}
-static void pch_post_disable_crt(struct intel_encoder *encoder,
+static void pch_post_disable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_crt(encoder, old_crtc_state, old_conn_state);
+ intel_disable_crt(state, encoder, old_crtc_state, old_conn_state);
}
-static void hsw_disable_crt(struct intel_encoder *encoder,
+static void hsw_disable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -234,7 +238,8 @@ static void hsw_disable_crt(struct intel_encoder *encoder,
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
}
-static void hsw_post_disable_crt(struct intel_encoder *encoder,
+static void hsw_post_disable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -250,19 +255,20 @@ static void hsw_post_disable_crt(struct intel_encoder *encoder,
intel_ddi_disable_pipe_clock(old_crtc_state);
- pch_post_disable_crt(encoder, old_crtc_state, old_conn_state);
+ pch_post_disable_crt(state, encoder, old_crtc_state, old_conn_state);
lpt_disable_pch_transcoder(dev_priv);
lpt_disable_iclkip(dev_priv);
- intel_ddi_fdi_post_disable(encoder, old_crtc_state, old_conn_state);
+ intel_ddi_fdi_post_disable(state, encoder, old_crtc_state, old_conn_state);
drm_WARN_ON(&dev_priv->drm, !old_crtc_state->has_pch_encoder);
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
}
-static void hsw_pre_pll_enable_crt(struct intel_encoder *encoder,
+static void hsw_pre_pll_enable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -273,7 +279,8 @@ static void hsw_pre_pll_enable_crt(struct intel_encoder *encoder,
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
}
-static void hsw_pre_enable_crt(struct intel_encoder *encoder,
+static void hsw_pre_enable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -287,10 +294,11 @@ static void hsw_pre_enable_crt(struct intel_encoder *encoder,
hsw_fdi_link_train(encoder, crtc_state);
- intel_ddi_enable_pipe_clock(crtc_state);
+ intel_ddi_enable_pipe_clock(encoder, crtc_state);
}
-static void hsw_enable_crt(struct intel_encoder *encoder,
+static void hsw_enable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -300,6 +308,8 @@ static void hsw_enable_crt(struct intel_encoder *encoder,
drm_WARN_ON(&dev_priv->drm, !crtc_state->has_pch_encoder);
+ intel_ddi_enable_transcoder_func(encoder, crtc_state);
+
intel_enable_pipe(crtc_state);
lpt_pch_enable(crtc_state);
@@ -314,7 +324,8 @@ static void hsw_enable_crt(struct intel_encoder *encoder,
intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true);
}
-static void intel_enable_crt(struct intel_encoder *encoder,
+static void intel_enable_crt(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -594,7 +605,8 @@ static struct edid *intel_crt_get_edid(struct drm_connector *connector,
edid = drm_get_edid(connector, i2c);
if (!edid && !intel_gmbus_is_forced_bit(i2c)) {
- DRM_DEBUG_KMS("CRT GMBUS EDID read failed, retry using GPIO bit-banging\n");
+ drm_dbg_kms(connector->dev,
+ "CRT GMBUS EDID read failed, retry using GPIO bit-banging\n");
intel_gmbus_force_bit(i2c, true);
edid = drm_get_edid(connector, i2c);
intel_gmbus_force_bit(i2c, false);
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 2c617c98db3a..aa22465bb56e 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -568,7 +568,7 @@ static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi[] = {
{ 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */
};
-static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_hbr2_hbr3[] = {
+static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_dp[] = {
/* NT mV Trans mV db */
{ 0xA, 0x33, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */
{ 0xA, 0x47, 0x36, 0x00, 0x09 }, /* 350 500 3.1 */
@@ -583,23 +583,51 @@ static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_hbr2_hbr3[]
};
struct icl_mg_phy_ddi_buf_trans {
- u32 cri_txdeemph_override_5_0;
u32 cri_txdeemph_override_11_6;
+ u32 cri_txdeemph_override_5_0;
u32 cri_txdeemph_override_17_12;
};
-static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations[] = {
+static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_rbr_hbr[] = {
+ /* Voltage swing pre-emphasis */
+ { 0x18, 0x00, 0x00 }, /* 0 0 */
+ { 0x1D, 0x00, 0x05 }, /* 0 1 */
+ { 0x24, 0x00, 0x0C }, /* 0 2 */
+ { 0x2B, 0x00, 0x14 }, /* 0 3 */
+ { 0x21, 0x00, 0x00 }, /* 1 0 */
+ { 0x2B, 0x00, 0x08 }, /* 1 1 */
+ { 0x30, 0x00, 0x0F }, /* 1 2 */
+ { 0x31, 0x00, 0x03 }, /* 2 0 */
+ { 0x34, 0x00, 0x0B }, /* 2 1 */
+ { 0x3F, 0x00, 0x00 }, /* 3 0 */
+};
+
+static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_hbr2_hbr3[] = {
/* Voltage swing pre-emphasis */
- { 0x0, 0x1B, 0x00 }, /* 0 0 */
- { 0x0, 0x23, 0x08 }, /* 0 1 */
- { 0x0, 0x2D, 0x12 }, /* 0 2 */
- { 0x0, 0x00, 0x00 }, /* 0 3 */
- { 0x0, 0x23, 0x00 }, /* 1 0 */
- { 0x0, 0x2B, 0x09 }, /* 1 1 */
- { 0x0, 0x2E, 0x11 }, /* 1 2 */
- { 0x0, 0x2F, 0x00 }, /* 2 0 */
- { 0x0, 0x33, 0x0C }, /* 2 1 */
- { 0x0, 0x00, 0x00 }, /* 3 0 */
+ { 0x18, 0x00, 0x00 }, /* 0 0 */
+ { 0x1D, 0x00, 0x05 }, /* 0 1 */
+ { 0x24, 0x00, 0x0C }, /* 0 2 */
+ { 0x2B, 0x00, 0x14 }, /* 0 3 */
+ { 0x26, 0x00, 0x00 }, /* 1 0 */
+ { 0x2C, 0x00, 0x07 }, /* 1 1 */
+ { 0x33, 0x00, 0x0C }, /* 1 2 */
+ { 0x2E, 0x00, 0x00 }, /* 2 0 */
+ { 0x36, 0x00, 0x09 }, /* 2 1 */
+ { 0x3F, 0x00, 0x00 }, /* 3 0 */
+};
+
+static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_hdmi[] = {
+ /* HDMI Preset VS Pre-emph */
+ { 0x1A, 0x0, 0x0 }, /* 1 400mV 0dB */
+ { 0x20, 0x0, 0x0 }, /* 2 500mV 0dB */
+ { 0x29, 0x0, 0x0 }, /* 3 650mV 0dB */
+ { 0x32, 0x0, 0x0 }, /* 4 800mV 0dB */
+ { 0x3F, 0x0, 0x0 }, /* 5 1000mV 0dB */
+ { 0x3A, 0x0, 0x5 }, /* 6 Full -1.5 dB */
+ { 0x39, 0x0, 0x6 }, /* 7 Full -1.8 dB */
+ { 0x38, 0x0, 0x7 }, /* 8 Full -2 dB */
+ { 0x37, 0x0, 0x8 }, /* 9 Full -2.5 dB */
+ { 0x36, 0x0, 0x9 }, /* 10 Full -3 dB */
};
struct tgl_dkl_phy_ddi_buf_trans {
@@ -943,14 +971,29 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate,
return icl_combo_phy_ddi_translations_dp_hbr2;
}
+static const struct icl_mg_phy_ddi_buf_trans *
+icl_get_mg_buf_trans(struct drm_i915_private *dev_priv, int type, int rate,
+ int *n_entries)
+{
+ if (type == INTEL_OUTPUT_HDMI) {
+ *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hdmi);
+ return icl_mg_phy_ddi_translations_hdmi;
+ } else if (rate > 270000) {
+ *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hbr2_hbr3);
+ return icl_mg_phy_ddi_translations_hbr2_hbr3;
+ }
+
+ *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_rbr_hbr);
+ return icl_mg_phy_ddi_translations_rbr_hbr;
+}
+
static const struct cnl_ddi_buf_trans *
ehl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate,
int *n_entries)
{
- if (type != INTEL_OUTPUT_HDMI && type != INTEL_OUTPUT_EDP &&
- rate > 270000) {
- *n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_hbr2_hbr3);
- return ehl_combo_phy_ddi_translations_hbr2_hbr3;
+ if (type != INTEL_OUTPUT_HDMI && type != INTEL_OUTPUT_EDP) {
+ *n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_dp);
+ return ehl_combo_phy_ddi_translations_dp;
}
return icl_get_combo_buf_trans(dev_priv, type, rate, n_entries);
@@ -989,7 +1032,8 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder)
icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI,
0, &n_entries);
else
- n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
+ icl_get_mg_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0,
+ &n_entries);
default_entry = n_entries - 1;
} else if (IS_CANNONLAKE(dev_priv)) {
cnl_get_buf_trans_hdmi(dev_priv, &n_entries);
@@ -1103,7 +1147,8 @@ static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
if (intel_de_read(dev_priv, reg) & DDI_BUF_IS_IDLE)
return;
}
- DRM_ERROR("Timeout waiting for DDI BUF %c idle bit\n", port_name(port));
+ drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c idle bit\n",
+ port_name(port));
}
static u32 hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll)
@@ -1216,7 +1261,10 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
for (i = 0; i < ARRAY_SIZE(hsw_ddi_translations_fdi) * 2; i++) {
/* Configure DP_TP_CTL with auto-training */
intel_de_write(dev_priv, DP_TP_CTL(PORT_E),
- DP_TP_CTL_FDI_AUTOTRAIN | DP_TP_CTL_ENHANCED_FRAME_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_ENABLE);
+ DP_TP_CTL_FDI_AUTOTRAIN |
+ DP_TP_CTL_ENHANCED_FRAME_ENABLE |
+ DP_TP_CTL_LINK_TRAIN_PAT1 |
+ DP_TP_CTL_ENABLE);
/* Configure and enable DDI_BUF_CTL for DDI E with next voltage.
* DDI E does not support port reversal, the functionality is
@@ -1250,7 +1298,8 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
temp = intel_de_read(dev_priv, DP_TP_STATUS(PORT_E));
if (temp & DP_TP_STATUS_AUTOTRAIN_DONE) {
- DRM_DEBUG_KMS("FDI link training done on step %d\n", i);
+ drm_dbg_kms(&dev_priv->drm,
+ "FDI link training done on step %d\n", i);
break;
}
@@ -1259,7 +1308,7 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
* Results in less fireworks from the state checker.
*/
if (i == ARRAY_SIZE(hsw_ddi_translations_fdi) * 2 - 1) {
- DRM_ERROR("FDI link training failed!\n");
+ drm_err(&dev_priv->drm, "FDI link training failed!\n");
break;
}
@@ -1291,7 +1340,10 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
/* Enable normal pixel sending for FDI */
intel_de_write(dev_priv, DP_TP_CTL(PORT_E),
- DP_TP_CTL_FDI_AUTOTRAIN | DP_TP_CTL_LINK_TRAIN_NORMAL | DP_TP_CTL_ENHANCED_FRAME_ENABLE | DP_TP_CTL_ENABLE);
+ DP_TP_CTL_FDI_AUTOTRAIN |
+ DP_TP_CTL_LINK_TRAIN_NORMAL |
+ DP_TP_CTL_ENHANCED_FRAME_ENABLE |
+ DP_TP_CTL_ENABLE);
}
static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder)
@@ -1305,27 +1357,6 @@ static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder)
intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count);
}
-static struct intel_encoder *
-intel_ddi_get_crtc_encoder(struct intel_crtc *crtc)
-{
- struct drm_device *dev = crtc->base.dev;
- struct intel_encoder *encoder, *ret = NULL;
- int num_encoders = 0;
-
- for_each_encoder_on_crtc(dev, &crtc->base, encoder) {
- ret = encoder;
- num_encoders++;
- }
-
- if (num_encoders != 1)
- drm_WARN(dev, 1, "%d encoders on crtc for pipe %c\n",
- num_encoders,
- pipe_name(crtc->pipe));
-
- BUG_ON(ret == NULL);
- return ret;
-}
-
static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv,
enum port port)
{
@@ -1451,6 +1482,14 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
intel_de_write(dev_priv, TRANS_MSA_MISC(cpu_transcoder), temp);
}
+static u32 bdw_trans_port_sync_master_select(enum transcoder master_transcoder)
+{
+ if (master_transcoder == TRANSCODER_EDP)
+ return 0;
+ else
+ return master_transcoder + 1;
+}
+
/*
* Returns the TRANS_DDI_FUNC_CTL value based on CRTC state.
*
@@ -1458,10 +1497,10 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
* intel_ddi_config_transcoder_func().
*/
static u32
-intel_ddi_transcoder_func_reg_val_get(const struct intel_crtc_state *crtc_state)
+intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct intel_encoder *encoder = intel_ddi_get_crtc_encoder(crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
@@ -1551,20 +1590,46 @@ intel_ddi_transcoder_func_reg_val_get(const struct intel_crtc_state *crtc_state)
temp |= DDI_PORT_WIDTH(crtc_state->lane_count);
}
+ if (IS_GEN_RANGE(dev_priv, 8, 10) &&
+ crtc_state->master_transcoder != INVALID_TRANSCODER) {
+ u8 master_select =
+ bdw_trans_port_sync_master_select(crtc_state->master_transcoder);
+
+ temp |= TRANS_DDI_PORT_SYNC_ENABLE |
+ TRANS_DDI_PORT_SYNC_MASTER_SELECT(master_select);
+ }
+
return temp;
}
-void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
+void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 temp;
+ u32 ctl;
+
+ if (INTEL_GEN(dev_priv) >= 11) {
+ enum transcoder master_transcoder = crtc_state->master_transcoder;
+ u32 ctl2 = 0;
- temp = intel_ddi_transcoder_func_reg_val_get(crtc_state);
+ if (master_transcoder != INVALID_TRANSCODER) {
+ u8 master_select =
+ bdw_trans_port_sync_master_select(master_transcoder);
+
+ ctl2 |= PORT_SYNC_MODE_ENABLE |
+ PORT_SYNC_MODE_MASTER_SELECT(master_select);
+ }
+
+ intel_de_write(dev_priv,
+ TRANS_DDI_FUNC_CTL2(cpu_transcoder), ctl2);
+ }
+
+ ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state);
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))
- temp |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
+ ctl |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
}
/*
@@ -1572,16 +1637,17 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
* bit.
*/
static void
-intel_ddi_config_transcoder_func(const struct intel_crtc_state *crtc_state)
+intel_ddi_config_transcoder_func(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 temp;
+ u32 ctl;
- temp = intel_ddi_transcoder_func_reg_val_get(crtc_state);
- temp &= ~TRANS_DDI_FUNC_ENABLE;
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), temp);
+ ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state);
+ ctl &= ~TRANS_DDI_FUNC_ENABLE;
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
}
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state)
@@ -1589,24 +1655,35 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
- u32 val;
+ u32 ctl;
+
+ if (INTEL_GEN(dev_priv) >= 11)
+ intel_de_write(dev_priv,
+ TRANS_DDI_FUNC_CTL2(cpu_transcoder), 0);
+
+ ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
- val = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
- val &= ~TRANS_DDI_FUNC_ENABLE;
+ ctl &= ~TRANS_DDI_FUNC_ENABLE;
+
+ if (IS_GEN_RANGE(dev_priv, 8, 10))
+ ctl &= ~(TRANS_DDI_PORT_SYNC_ENABLE |
+ TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK);
if (INTEL_GEN(dev_priv) >= 12) {
if (!intel_dp_mst_is_master_trans(crtc_state)) {
- val &= ~(TGL_TRANS_DDI_PORT_MASK |
+ ctl &= ~(TGL_TRANS_DDI_PORT_MASK |
TRANS_DDI_MODE_SELECT_MASK);
}
} else {
- val &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK);
+ ctl &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK);
}
- intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), val);
+
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl);
if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
- DRM_DEBUG_KMS("Quirk Increase DDI disabled time\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Quirk Increase DDI disabled time\n");
/* Quirk time at 100ms for reliable operation */
msleep(100);
}
@@ -1667,7 +1744,7 @@ bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector)
goto out;
}
- if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A)
+ if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A)
cpu_transcoder = TRANSCODER_EDP;
else
cpu_transcoder = (enum transcoder) pipe;
@@ -1729,7 +1806,7 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder,
if (!(tmp & DDI_BUF_CTL_ENABLE))
goto out;
- if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A) {
+ if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) {
tmp = intel_de_read(dev_priv,
TRANS_DDI_FUNC_CTL(TRANSCODER_EDP));
@@ -1787,20 +1864,23 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder,
}
if (!*pipe_mask)
- DRM_DEBUG_KMS("No pipe for [ENCODER:%d:%s] found\n",
- encoder->base.base.id, encoder->base.name);
+ drm_dbg_kms(&dev_priv->drm,
+ "No pipe for [ENCODER:%d:%s] found\n",
+ encoder->base.base.id, encoder->base.name);
if (!mst_pipe_mask && hweight8(*pipe_mask) > 1) {
- DRM_DEBUG_KMS("Multiple pipes for [ENCODER:%d:%s] (pipe_mask %02x)\n",
- encoder->base.base.id, encoder->base.name,
- *pipe_mask);
+ drm_dbg_kms(&dev_priv->drm,
+ "Multiple pipes for [ENCODER:%d:%s] (pipe_mask %02x)\n",
+ encoder->base.base.id, encoder->base.name,
+ *pipe_mask);
*pipe_mask = BIT(ffs(*pipe_mask) - 1);
}
if (mst_pipe_mask && mst_pipe_mask != *pipe_mask)
- DRM_DEBUG_KMS("Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe_mask %02x mst_pipe_mask %02x)\n",
- encoder->base.base.id, encoder->base.name,
- *pipe_mask, mst_pipe_mask);
+ drm_dbg_kms(&dev_priv->drm,
+ "Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe_mask %02x mst_pipe_mask %02x)\n",
+ encoder->base.base.id, encoder->base.name,
+ *pipe_mask, mst_pipe_mask);
else
*is_dp_mst = mst_pipe_mask;
@@ -1810,9 +1890,9 @@ out:
if ((tmp & (BXT_PHY_CMNLANE_POWERDOWN_ACK |
BXT_PHY_LANE_POWERDOWN_ACK |
BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED)
- DRM_ERROR("[ENCODER:%d:%s] enabled but PHY powered down? "
- "(PHY_CTL %08x)\n", encoder->base.base.id,
- encoder->base.name, tmp);
+ drm_err(&dev_priv->drm,
+ "[ENCODER:%d:%s] enabled but PHY powered down? (PHY_CTL %08x)\n",
+ encoder->base.base.id, encoder->base.name, tmp);
}
intel_display_power_put(dev_priv, encoder->power_domain, wakeref);
@@ -1834,7 +1914,7 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
return true;
}
-static inline enum intel_display_power_domain
+static enum intel_display_power_domain
intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port)
{
/* CNL+ HW requires corresponding AUX IOs to be powered up for PSR with
@@ -1893,11 +1973,11 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
intel_dsc_power_domain(crtc_state));
}
-void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state)
+void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- struct intel_encoder *encoder = intel_ddi_get_crtc_encoder(crtc);
enum port port = encoder->port;
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
@@ -1978,7 +2058,7 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
/* Make sure that the requested I_boost is valid */
if (iboost && iboost != 0x1 && iboost != 0x3 && iboost != 0x7) {
- DRM_ERROR("Invalid I_boost value %u\n", iboost);
+ drm_err(&dev_priv->drm, "Invalid I_boost value %u\n", iboost);
return;
}
@@ -2037,7 +2117,8 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder)
icl_get_combo_buf_trans(dev_priv, encoder->type,
intel_dp->link_rate, &n_entries);
else
- n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
+ icl_get_mg_buf_trans(dev_priv, encoder->type,
+ intel_dp->link_rate, &n_entries);
} else if (IS_CANNONLAKE(dev_priv)) {
if (encoder->type == INTEL_OUTPUT_EDP)
cnl_get_buf_trans_edp(dev_priv, &n_entries);
@@ -2237,7 +2318,9 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv,
return;
if (level >= n_entries) {
- DRM_DEBUG_KMS("DDI translation not found for level %d. Using %d instead.", level, n_entries - 1);
+ drm_dbg_kms(&dev_priv->drm,
+ "DDI translation not found for level %d. Using %d instead.",
+ level, n_entries - 1);
level = n_entries - 1;
}
@@ -2350,21 +2433,28 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
}
static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
- int link_clock,
- u32 level)
+ int link_clock, u32 level,
+ enum intel_output_type type)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
const struct icl_mg_phy_ddi_buf_trans *ddi_translations;
u32 n_entries, val;
- int ln;
+ int ln, rate = 0;
+
+ if (type != INTEL_OUTPUT_HDMI) {
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
- n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
- ddi_translations = icl_mg_phy_ddi_translations;
+ rate = intel_dp->link_rate;
+ }
+
+ ddi_translations = icl_get_mg_buf_trans(dev_priv, type, rate,
+ &n_entries);
/* The table does not have values for level 3 and level 9. */
if (level >= n_entries || level == 3 || level == 9) {
- DRM_DEBUG_KMS("DDI translation not found for level %d. Using %d instead.",
- level, n_entries - 2);
+ drm_dbg_kms(&dev_priv->drm,
+ "DDI translation not found for level %d. Using %d instead.",
+ level, n_entries - 2);
level = n_entries - 2;
}
@@ -2483,7 +2573,8 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder,
if (intel_phy_is_combo(dev_priv, phy))
icl_combo_phy_ddi_vswing_sequence(encoder, level, type);
else
- icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level);
+ icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level,
+ type);
}
static void
@@ -2550,8 +2641,9 @@ static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder,
tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level);
}
-static u32 translate_signal_level(int signal_levels)
+static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int i;
for (i = 0; i < ARRAY_SIZE(index_to_dp_signal_levels); i++) {
@@ -2559,8 +2651,9 @@ static u32 translate_signal_level(int signal_levels)
return i;
}
- WARN(1, "Unsupported voltage swing/pre-emphasis level: 0x%x\n",
- signal_levels);
+ drm_WARN(&i915->drm, 1,
+ "Unsupported voltage swing/pre-emphasis level: 0x%x\n",
+ signal_levels);
return 0;
}
@@ -2571,46 +2664,73 @@ static u32 intel_ddi_dp_level(struct intel_dp *intel_dp)
int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
DP_TRAIN_PRE_EMPHASIS_MASK);
- return translate_signal_level(signal_levels);
+ return translate_signal_level(intel_dp, signal_levels);
}
-u32 bxt_signal_levels(struct intel_dp *intel_dp)
+static void
+tgl_set_signal_levels(struct intel_dp *intel_dp)
{
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
- struct intel_encoder *encoder = &dport->base;
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
int level = intel_ddi_dp_level(intel_dp);
- if (INTEL_GEN(dev_priv) >= 12)
- tgl_ddi_vswing_sequence(encoder, intel_dp->link_rate,
- level, encoder->type);
- else if (INTEL_GEN(dev_priv) >= 11)
- icl_ddi_vswing_sequence(encoder, intel_dp->link_rate,
- level, encoder->type);
- else if (IS_CANNONLAKE(dev_priv))
- cnl_ddi_vswing_sequence(encoder, level, encoder->type);
- else
- bxt_ddi_vswing_sequence(encoder, level, encoder->type);
+ tgl_ddi_vswing_sequence(encoder, intel_dp->link_rate,
+ level, encoder->type);
+}
- return 0;
+static void
+icl_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ int level = intel_ddi_dp_level(intel_dp);
+
+ icl_ddi_vswing_sequence(encoder, intel_dp->link_rate,
+ level, encoder->type);
}
-u32 ddi_signal_levels(struct intel_dp *intel_dp)
+static void
+cnl_set_signal_levels(struct intel_dp *intel_dp)
{
- struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev);
- struct intel_encoder *encoder = &dport->base;
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ int level = intel_ddi_dp_level(intel_dp);
+
+ cnl_ddi_vswing_sequence(encoder, level, encoder->type);
+}
+
+static void
+bxt_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
int level = intel_ddi_dp_level(intel_dp);
+ bxt_ddi_vswing_sequence(encoder, level, encoder->type);
+}
+
+static void
+hsw_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ int level = intel_ddi_dp_level(intel_dp);
+ enum port port = encoder->port;
+ u32 signal_levels;
+
+ signal_levels = DDI_BUF_TRANS_SELECT(level);
+
+ drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n",
+ signal_levels);
+
+ intel_dp->DP &= ~DDI_BUF_EMP_MASK;
+ intel_dp->DP |= signal_levels;
+
if (IS_GEN9_BC(dev_priv))
skl_ddi_set_iboost(encoder, level, encoder->type);
- return DDI_BUF_TRANS_SELECT(level);
+ intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP);
+ intel_de_posting_read(dev_priv, DDI_BUF_CTL(port));
}
-static inline
-u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv,
- enum phy phy)
+static u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv,
+ enum phy phy)
{
if (intel_phy_is_combo(dev_priv, phy)) {
return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
@@ -2698,8 +2818,9 @@ static void icl_sanitize_port_clk_off(struct drm_i915_private *dev_priv,
if (drm_WARN_ON(&dev_priv->drm, ddi_clk_needed))
continue;
- DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
- phy_name(phy));
+ drm_notice(&dev_priv->drm,
+ "PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
+ phy_name(phy));
val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy);
intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val);
}
@@ -2936,11 +3057,14 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port,
static void intel_dp_sink_set_fec_ready(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
if (!crtc_state->fec_enable)
return;
if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_CONFIGURATION, DP_FEC_READY) <= 0)
- DRM_DEBUG_KMS("Failed to set FEC_READY in the sink\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to set FEC_READY in the sink\n");
}
static void intel_ddi_enable_fec(struct intel_encoder *encoder,
@@ -2960,7 +3084,8 @@ static void intel_ddi_enable_fec(struct intel_encoder *encoder,
if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
DP_TP_STATUS_FEC_ENABLE_LIVE, 1))
- DRM_ERROR("Timed out waiting for FEC Enable Status\n");
+ drm_err(&dev_priv->drm,
+ "Timed out waiting for FEC Enable Status\n");
}
static void intel_ddi_disable_fec_state(struct intel_encoder *encoder,
@@ -2980,7 +3105,8 @@ static void intel_ddi_disable_fec_state(struct intel_encoder *encoder,
intel_de_posting_read(dev_priv, intel_dp->regs.dp_tp_ctl);
}
-static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
+static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3048,13 +3174,13 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
* 7.a Configure Transcoder Clock Select to direct the Port clock to the
* Transcoder.
*/
- intel_ddi_enable_pipe_clock(crtc_state);
+ intel_ddi_enable_pipe_clock(encoder, crtc_state);
/*
* 7.b Configure TRANS_DDI_FUNC_CTL DDI Select, DDI Mode Select & MST
* Transport Select
*/
- intel_ddi_config_transcoder_func(crtc_state);
+ intel_ddi_config_transcoder_func(encoder, crtc_state);
/*
* 7.c Configure & enable DP_TP_CTL with link training pattern 1
@@ -3120,7 +3246,8 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
intel_dsc_enable(encoder, crtc_state);
}
-static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
+static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3141,9 +3268,6 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
intel_dp_set_link_params(intel_dp, crtc_state->port_clock,
crtc_state->lane_count, is_mst);
- intel_dp->regs.dp_tp_ctl = DP_TP_CTL(port);
- intel_dp->regs.dp_tp_status = DP_TP_STATUS(port);
-
intel_edp_panel_on(intel_dp);
intel_ddi_clk_select(encoder, crtc_state);
@@ -3188,21 +3312,22 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
intel_ddi_enable_fec(encoder, crtc_state);
if (!is_mst)
- intel_ddi_enable_pipe_clock(crtc_state);
+ intel_ddi_enable_pipe_clock(encoder, crtc_state);
intel_dsc_enable(encoder, crtc_state);
}
-static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
+static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
if (INTEL_GEN(dev_priv) >= 12)
- tgl_ddi_pre_enable_dp(encoder, crtc_state, conn_state);
+ tgl_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state);
else
- hsw_ddi_pre_enable_dp(encoder, crtc_state, conn_state);
+ hsw_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state);
/* MST will call a setting of MSA after an allocating of Virtual Channel
* from MST encoder pre_enable callback.
@@ -3214,7 +3339,8 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
}
}
-static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
+static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3247,14 +3373,15 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
if (IS_GEN9_BC(dev_priv))
skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI);
- intel_ddi_enable_pipe_clock(crtc_state);
+ intel_ddi_enable_pipe_clock(encoder, crtc_state);
intel_dig_port->set_infoframes(encoder,
crtc_state->has_infoframe,
crtc_state, conn_state);
}
-static void intel_ddi_pre_enable(struct intel_encoder *encoder,
+static void intel_ddi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3283,12 +3410,14 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder,
intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
- intel_ddi_pre_enable_hdmi(encoder, crtc_state, conn_state);
+ intel_ddi_pre_enable_hdmi(state, encoder, crtc_state,
+ conn_state);
} else {
struct intel_lspcon *lspcon =
enc_to_intel_lspcon(encoder);
- intel_ddi_pre_enable_dp(encoder, crtc_state, conn_state);
+ intel_ddi_pre_enable_dp(state, encoder, crtc_state,
+ conn_state);
if (lspcon->active) {
struct intel_digital_port *dig_port =
enc_to_dig_port(encoder);
@@ -3331,7 +3460,8 @@ static void intel_disable_ddi_buf(struct intel_encoder *encoder,
intel_wait_ddi_buf_idle(dev_priv, port);
}
-static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
+static void intel_ddi_post_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3342,6 +3472,8 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
INTEL_OUTPUT_DP_MST);
enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+ intel_dp_set_infoframes(encoder, false, old_crtc_state, old_conn_state);
+
/*
* Power down sink before disabling the port, otherwise we end
* up getting interrupts from the sink on detecting link loss.
@@ -3387,7 +3519,8 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
intel_ddi_clk_disable(encoder);
}
-static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder,
+static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3410,22 +3543,8 @@ static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder,
intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
}
-static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-
- if (old_crtc_state->master_transcoder == INVALID_TRANSCODER)
- return;
-
- DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n",
- transcoder_name(old_crtc_state->cpu_transcoder));
-
- intel_de_write(dev_priv,
- TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder), 0);
-}
-
-static void intel_ddi_post_disable(struct intel_encoder *encoder,
+static void intel_ddi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3439,9 +3558,6 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder,
intel_disable_pipe(old_crtc_state);
- if (INTEL_GEN(dev_priv) >= 11)
- icl_disable_transcoder_port_sync(old_crtc_state);
-
intel_ddi_disable_transcoder_func(old_crtc_state);
intel_dsc_disable(old_crtc_state);
@@ -3466,11 +3582,11 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder,
*/
if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI))
- intel_ddi_post_disable_hdmi(encoder,
- old_crtc_state, old_conn_state);
+ intel_ddi_post_disable_hdmi(state, encoder, old_crtc_state,
+ old_conn_state);
else
- intel_ddi_post_disable_dp(encoder,
- old_crtc_state, old_conn_state);
+ intel_ddi_post_disable_dp(state, encoder, old_crtc_state,
+ old_conn_state);
if (INTEL_GEN(dev_priv) >= 11)
icl_unmap_plls_to_ports(encoder);
@@ -3483,7 +3599,8 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder,
intel_tc_port_put_link(dig_port);
}
-void intel_ddi_fdi_post_disable(struct intel_encoder *encoder,
+void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3517,7 +3634,43 @@ void intel_ddi_fdi_post_disable(struct intel_encoder *encoder,
intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val);
}
-static void intel_enable_ddi_dp(struct intel_encoder *encoder,
+static void trans_port_sync_stop_link_train(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state)
+{
+ const struct drm_connector_state *conn_state;
+ struct drm_connector *conn;
+ int i;
+
+ if (!crtc_state->sync_mode_slaves_mask)
+ return;
+
+ for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
+ struct intel_encoder *slave_encoder =
+ to_intel_encoder(conn_state->best_encoder);
+ struct intel_crtc *slave_crtc = to_intel_crtc(conn_state->crtc);
+ const struct intel_crtc_state *slave_crtc_state;
+
+ if (!slave_crtc)
+ continue;
+
+ slave_crtc_state =
+ intel_atomic_get_new_crtc_state(state, slave_crtc);
+
+ if (slave_crtc_state->master_transcoder !=
+ crtc_state->cpu_transcoder)
+ continue;
+
+ intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder));
+ }
+
+ usleep_range(200, 400);
+
+ intel_dp_stop_link_train(enc_to_intel_dp(encoder));
+}
+
+static void intel_enable_ddi_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3529,13 +3682,14 @@ static void intel_enable_ddi_dp(struct intel_encoder *encoder,
intel_dp_stop_link_train(intel_dp);
intel_edp_backlight_on(crtc_state, conn_state);
- intel_psr_enable(intel_dp, crtc_state);
- intel_dp_vsc_enable(intel_dp, crtc_state, conn_state);
- intel_dp_hdr_metadata_enable(intel_dp, crtc_state, conn_state);
+ intel_psr_enable(intel_dp, crtc_state, conn_state);
+ intel_dp_set_infoframes(encoder, true, crtc_state, conn_state);
intel_edp_drrs_enable(intel_dp, crtc_state);
if (crtc_state->has_audio)
intel_audio_codec_enable(encoder, crtc_state, conn_state);
+
+ trans_port_sync_stop_link_train(state, encoder, crtc_state);
}
static i915_reg_t
@@ -3558,7 +3712,8 @@ gen9_chicken_trans_reg_by_port(struct drm_i915_private *dev_priv,
return CHICKEN_TRANS(trans[port]);
}
-static void intel_enable_ddi_hdmi(struct intel_encoder *encoder,
+static void intel_enable_ddi_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3570,9 +3725,9 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder,
if (!intel_hdmi_handle_sink_scrambling(encoder, connector,
crtc_state->hdmi_high_tmds_clock_ratio,
crtc_state->hdmi_scrambling))
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Failed to configure sink "
- "scrambling/TMDS bit clock ratio\n",
- connector->base.id, connector->name);
+ drm_dbg_kms(&dev_priv->drm,
+ "[CONNECTOR:%d:%s] Failed to configure sink scrambling/TMDS bit clock ratio\n",
+ connector->base.id, connector->name);
/* Display WA #1143: skl,kbl,cfl */
if (IS_GEN9_BC(dev_priv)) {
@@ -3620,20 +3775,23 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder,
intel_audio_codec_enable(encoder, crtc_state, conn_state);
}
-static void intel_enable_ddi(struct intel_encoder *encoder,
+static void intel_enable_ddi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
- WARN_ON(crtc_state->has_pch_encoder);
+ drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
+
+ intel_ddi_enable_transcoder_func(encoder, crtc_state);
intel_enable_pipe(crtc_state);
intel_crtc_vblank_on(crtc_state);
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
- intel_enable_ddi_hdmi(encoder, crtc_state, conn_state);
+ intel_enable_ddi_hdmi(state, encoder, crtc_state, conn_state);
else
- intel_enable_ddi_dp(encoder, crtc_state, conn_state);
+ intel_enable_ddi_dp(state, encoder, crtc_state, conn_state);
/* Enable hdcp if it's desired */
if (conn_state->content_protection ==
@@ -3643,7 +3801,8 @@ static void intel_enable_ddi(struct intel_encoder *encoder,
(u8)conn_state->hdcp_content_type);
}
-static void intel_disable_ddi_dp(struct intel_encoder *encoder,
+static void intel_disable_ddi_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3663,10 +3822,12 @@ static void intel_disable_ddi_dp(struct intel_encoder *encoder,
false);
}
-static void intel_disable_ddi_hdmi(struct intel_encoder *encoder,
+static void intel_disable_ddi_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct drm_connector *connector = old_conn_state->connector;
if (old_crtc_state->has_audio)
@@ -3675,23 +3836,28 @@ static void intel_disable_ddi_hdmi(struct intel_encoder *encoder,
if (!intel_hdmi_handle_sink_scrambling(encoder, connector,
false, false))
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] Failed to reset sink scrambling/TMDS bit clock ratio\n",
- connector->base.id, connector->name);
+ drm_dbg_kms(&i915->drm,
+ "[CONNECTOR:%d:%s] Failed to reset sink scrambling/TMDS bit clock ratio\n",
+ connector->base.id, connector->name);
}
-static void intel_disable_ddi(struct intel_encoder *encoder,
+static void intel_disable_ddi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
intel_hdcp_disable(to_intel_connector(old_conn_state->connector));
if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI))
- intel_disable_ddi_hdmi(encoder, old_crtc_state, old_conn_state);
+ intel_disable_ddi_hdmi(state, encoder, old_crtc_state,
+ old_conn_state);
else
- intel_disable_ddi_dp(encoder, old_crtc_state, old_conn_state);
+ intel_disable_ddi_dp(state, encoder, old_crtc_state,
+ old_conn_state);
}
-static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder,
+static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3699,21 +3865,24 @@ static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder,
intel_ddi_set_dp_msa(crtc_state, conn_state);
- intel_psr_update(intel_dp, crtc_state);
+ intel_psr_update(intel_dp, crtc_state, conn_state);
+ intel_dp_set_infoframes(encoder, true, crtc_state, conn_state);
intel_edp_drrs_enable(intel_dp, crtc_state);
- intel_panel_update_backlight(encoder, crtc_state, conn_state);
+ intel_panel_update_backlight(state, encoder, crtc_state, conn_state);
}
-static void intel_ddi_update_pipe(struct intel_encoder *encoder,
+static void intel_ddi_update_pipe(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
- intel_ddi_update_pipe_dp(encoder, crtc_state, conn_state);
+ intel_ddi_update_pipe_dp(state, encoder, crtc_state,
+ conn_state);
- intel_hdcp_update_pipe(encoder, crtc_state, conn_state);
+ intel_hdcp_update_pipe(state, encoder, crtc_state, conn_state);
}
static void
@@ -3725,7 +3894,7 @@ intel_ddi_update_prepare(struct intel_atomic_state *state,
crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL;
int required_lanes = crtc_state ? crtc_state->lane_count : 1;
- WARN_ON(crtc && crtc->active);
+ drm_WARN_ON(state->base.dev, crtc && crtc->active);
intel_tc_port_get_link(enc_to_dig_port(encoder),
required_lanes);
@@ -3742,7 +3911,8 @@ intel_ddi_update_complete(struct intel_atomic_state *state,
}
static void
-intel_ddi_pre_pll_enable(struct intel_encoder *encoder,
+intel_ddi_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -3816,6 +3986,74 @@ static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
udelay(600);
}
+static void intel_ddi_set_link_train(struct intel_dp *intel_dp,
+ u8 dp_train_pat)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u8 train_pat_mask = drm_dp_training_pattern_mask(intel_dp->dpcd);
+ enum port port = dp_to_dig_port(intel_dp)->base.port;
+ u32 temp;
+
+ temp = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl);
+
+ if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE)
+ temp |= DP_TP_CTL_SCRAMBLE_DISABLE;
+ else
+ temp &= ~DP_TP_CTL_SCRAMBLE_DISABLE;
+
+ temp &= ~DP_TP_CTL_LINK_TRAIN_MASK;
+ switch (dp_train_pat & train_pat_mask) {
+ case DP_TRAINING_PATTERN_DISABLE:
+ temp |= DP_TP_CTL_LINK_TRAIN_NORMAL;
+ break;
+ case DP_TRAINING_PATTERN_1:
+ temp |= DP_TP_CTL_LINK_TRAIN_PAT1;
+ break;
+ case DP_TRAINING_PATTERN_2:
+ temp |= DP_TP_CTL_LINK_TRAIN_PAT2;
+ break;
+ case DP_TRAINING_PATTERN_3:
+ temp |= DP_TP_CTL_LINK_TRAIN_PAT3;
+ break;
+ case DP_TRAINING_PATTERN_4:
+ temp |= DP_TP_CTL_LINK_TRAIN_PAT4;
+ break;
+ }
+
+ intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, temp);
+
+ intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP);
+ intel_de_posting_read(dev_priv, DDI_BUF_CTL(port));
+}
+
+static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp)
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ enum port port = encoder->port;
+ u32 val;
+
+ val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl);
+ val &= ~DP_TP_CTL_LINK_TRAIN_MASK;
+ val |= DP_TP_CTL_LINK_TRAIN_IDLE;
+ intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val);
+
+ /*
+ * Until TGL on PORT_A we can have only eDP in SST mode. There the only
+ * reason we need to set idle transmission mode is to work around a HW
+ * issue where we enable the pipe while not in idle link-training mode.
+ * In this case there is requirement to wait for a minimum number of
+ * idle patterns to be sent.
+ */
+ if (port == PORT_A && INTEL_GEN(dev_priv) < 12)
+ return;
+
+ if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
+ DP_TP_STATUS_IDLE_DONE, 1))
+ drm_err(&dev_priv->drm,
+ "Timed out waiting for DP idle patterns\n");
+}
+
static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv,
enum transcoder cpu_transcoder)
{
@@ -3842,18 +4080,84 @@ void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
crtc_state->min_voltage_level = 2;
}
+static enum transcoder bdw_transcoder_master_readout(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder)
+{
+ u32 master_select;
+
+ if (INTEL_GEN(dev_priv) >= 11) {
+ u32 ctl2 = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL2(cpu_transcoder));
+
+ if ((ctl2 & PORT_SYNC_MODE_ENABLE) == 0)
+ return INVALID_TRANSCODER;
+
+ master_select = REG_FIELD_GET(PORT_SYNC_MODE_MASTER_SELECT_MASK, ctl2);
+ } else {
+ u32 ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
+
+ if ((ctl & TRANS_DDI_PORT_SYNC_ENABLE) == 0)
+ return INVALID_TRANSCODER;
+
+ master_select = REG_FIELD_GET(TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK, ctl);
+ }
+
+ if (master_select == 0)
+ return TRANSCODER_EDP;
+ else
+ return master_select - 1;
+}
+
+static void bdw_get_trans_port_sync_config(struct intel_crtc_state *crtc_state)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
+ u32 transcoders = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
+ BIT(TRANSCODER_C) | BIT(TRANSCODER_D);
+ enum transcoder cpu_transcoder;
+
+ crtc_state->master_transcoder =
+ bdw_transcoder_master_readout(dev_priv, crtc_state->cpu_transcoder);
+
+ for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, transcoders) {
+ enum intel_display_power_domain power_domain;
+ intel_wakeref_t trans_wakeref;
+
+ power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder);
+ trans_wakeref = intel_display_power_get_if_enabled(dev_priv,
+ power_domain);
+
+ if (!trans_wakeref)
+ continue;
+
+ if (bdw_transcoder_master_readout(dev_priv, cpu_transcoder) ==
+ crtc_state->cpu_transcoder)
+ crtc_state->sync_mode_slaves_mask |= BIT(cpu_transcoder);
+
+ intel_display_power_put(dev_priv, power_domain, trans_wakeref);
+ }
+
+ drm_WARN_ON(&dev_priv->drm,
+ crtc_state->master_transcoder != INVALID_TRANSCODER &&
+ crtc_state->sync_mode_slaves_mask);
+}
+
void intel_ddi_get_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
u32 temp, flags = 0;
/* XXX: DSI transcoder paranoia */
if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)))
return;
+ if (INTEL_GEN(dev_priv) >= 12) {
+ intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(cpu_transcoder);
+ intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(cpu_transcoder);
+ }
+
intel_dsc_get_config(encoder, pipe_config);
temp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder));
@@ -3927,11 +4231,15 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
pipe_config->fec_enable =
intel_de_read(dev_priv, dp_tp_ctl) & DP_TP_CTL_FEC_ENABLE;
- DRM_DEBUG_KMS("[ENCODER:%d:%s] Fec status: %u\n",
- encoder->base.base.id, encoder->base.name,
- pipe_config->fec_enable);
+ drm_dbg_kms(&dev_priv->drm,
+ "[ENCODER:%d:%s] Fec status: %u\n",
+ encoder->base.base.id, encoder->base.name,
+ pipe_config->fec_enable);
}
+ pipe_config->infoframes.enable |=
+ intel_hdmi_infoframes_enabled(encoder, pipe_config);
+
break;
case TRANS_DDI_MODE_SELECT_DP_MST:
pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST);
@@ -3943,6 +4251,9 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, temp);
intel_dp_get_m_n(intel_crtc, pipe_config);
+
+ pipe_config->infoframes.enable |=
+ intel_hdmi_infoframes_enabled(encoder, pipe_config);
break;
default:
break;
@@ -3966,8 +4277,9 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
* up by the BIOS, and thus we can't get the mode at module
* load.
*/
- DRM_DEBUG_KMS("pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
- pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp);
+ drm_dbg_kms(&dev_priv->drm,
+ "pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
+ pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp);
dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp;
}
@@ -3993,6 +4305,12 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
intel_read_infoframe(encoder, pipe_config,
HDMI_INFOFRAME_TYPE_DRM,
&pipe_config->infoframes.drm);
+
+ if (INTEL_GEN(dev_priv) >= 8)
+ bdw_get_trans_port_sync_config(pipe_config);
+
+ intel_read_dp_sdp(encoder, pipe_config, HDMI_PACKET_TYPE_GAMUT_METADATA);
+ intel_read_dp_sdp(encoder, pipe_config, DP_SDP_VSC);
}
static enum intel_output_type
@@ -4022,7 +4340,7 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder,
enum port port = encoder->port;
int ret;
- if (HAS_TRANSCODER_EDP(dev_priv) && port == PORT_A)
+ if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A)
pipe_config->cpu_transcoder = TRANSCODER_EDP;
if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI)) {
@@ -4094,7 +4412,11 @@ intel_ddi_port_sync_transcoders(const struct intel_crtc_state *ref_crtc_state,
u8 transcoders = 0;
int i;
- if (INTEL_GEN(dev_priv) < 11)
+ /*
+ * We don't enable port sync on BDW due to missing w/as and
+ * due to not having adjusted the modeset sequence appropriately.
+ */
+ if (INTEL_GEN(dev_priv) < 9)
return 0;
if (!intel_crtc_has_type(ref_crtc_state, INTEL_OUTPUT_DP))
@@ -4126,12 +4448,13 @@ static int intel_ddi_compute_config_late(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct drm_connector *connector = conn_state->connector;
u8 port_sync_transcoders = 0;
- DRM_DEBUG_KMS("[ENCODER:%d:%s] [CRTC:%d:%s]",
- encoder->base.base.id, encoder->base.name,
- crtc_state->uapi.crtc->base.id, crtc_state->uapi.crtc->name);
+ drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]",
+ encoder->base.base.id, encoder->base.name,
+ crtc_state->uapi.crtc->base.id, crtc_state->uapi.crtc->name);
if (connector->has_tile)
port_sync_transcoders = intel_ddi_port_sync_transcoders(crtc_state,
@@ -4173,6 +4496,7 @@ static const struct drm_encoder_funcs intel_ddi_funcs = {
static struct intel_connector *
intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port)
{
+ struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
struct intel_connector *connector;
enum port port = intel_dig_port->base.port;
@@ -4183,6 +4507,24 @@ intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port)
intel_dig_port->dp.output_reg = DDI_BUF_CTL(port);
intel_dig_port->dp.prepare_link_retrain =
intel_ddi_prepare_link_retrain;
+ intel_dig_port->dp.set_link_train = intel_ddi_set_link_train;
+ intel_dig_port->dp.set_idle_link_train = intel_ddi_set_idle_link_train;
+
+ if (INTEL_GEN(dev_priv) >= 12)
+ intel_dig_port->dp.set_signal_levels = tgl_set_signal_levels;
+ else if (INTEL_GEN(dev_priv) >= 11)
+ intel_dig_port->dp.set_signal_levels = icl_set_signal_levels;
+ else if (IS_CANNONLAKE(dev_priv))
+ intel_dig_port->dp.set_signal_levels = cnl_set_signal_levels;
+ else if (IS_GEN9_LP(dev_priv))
+ intel_dig_port->dp.set_signal_levels = bxt_set_signal_levels;
+ else
+ intel_dig_port->dp.set_signal_levels = hsw_set_signal_levels;
+
+ if (INTEL_GEN(dev_priv) < 12) {
+ intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port);
+ intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port);
+ }
if (!intel_dp_init_connector(intel_dig_port, connector)) {
kfree(connector);
@@ -4270,7 +4612,8 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config);
if (ret < 0) {
- DRM_ERROR("Failed to read TMDS config: %d\n", ret);
+ drm_err(&dev_priv->drm, "Failed to read TMDS config: %d\n",
+ ret);
return 0;
}
@@ -4294,15 +4637,17 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
static enum intel_hotplug_state
intel_ddi_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received)
+ struct intel_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ enum phy phy = intel_port_to_phy(i915, encoder->port);
+ bool is_tc = intel_phy_is_tc(i915, phy);
struct drm_modeset_acquire_ctx ctx;
enum intel_hotplug_state state;
int ret;
- state = intel_encoder_hotplug(encoder, connector, irq_received);
+ state = intel_encoder_hotplug(encoder, connector);
drm_modeset_acquire_init(&ctx, 0);
@@ -4340,14 +4685,45 @@ intel_ddi_hotplug(struct intel_encoder *encoder,
* valid EDID. To solve this schedule another detection cycle if this
* time around we didn't detect any change in the sink's connection
* status.
+ *
+ * Type-c connectors which get their HPD signal deasserted then
+ * reasserted, without unplugging/replugging the sink from the
+ * connector, introduce a delay until the AUX channel communication
+ * becomes functional. Retry the detection for 5 seconds on type-c
+ * connectors to account for this delay.
*/
- if (state == INTEL_HOTPLUG_UNCHANGED && irq_received &&
+ if (state == INTEL_HOTPLUG_UNCHANGED &&
+ connector->hotplug_retries < (is_tc ? 5 : 1) &&
!dig_port->dp.is_mst)
state = INTEL_HOTPLUG_RETRY;
return state;
}
+static bool lpt_digital_port_connected(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin];
+
+ return intel_de_read(dev_priv, SDEISR) & bit;
+}
+
+static bool hsw_digital_port_connected(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin];
+
+ return intel_de_read(dev_priv, DEISR) & bit;
+}
+
+static bool bdw_digital_port_connected(struct intel_encoder *encoder)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin];
+
+ return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit;
+}
+
static struct intel_connector *
intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port)
{
@@ -4416,7 +4792,8 @@ intel_ddi_max_lanes(struct intel_digital_port *intel_dport)
* so we use the proper lane count for our calculations.
*/
if (intel_ddi_a_force_4_lanes(intel_dport)) {
- DRM_DEBUG_KMS("Forcing DDI_A_4_LANES for port A\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Forcing DDI_A_4_LANES for port A\n");
intel_dport->saved_port_bits |= DDI_A_4_LANES;
max_lanes = 4;
}
@@ -4444,12 +4821,14 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
init_dp = true;
init_lspcon = true;
init_hdmi = false;
- DRM_DEBUG_KMS("VBT says port %c has lspcon\n", port_name(port));
+ drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n",
+ port_name(port));
}
if (!init_dp && !init_hdmi) {
- DRM_DEBUG_KMS("VBT says port %c is not DVI/HDMI/DP compatible, respect it\n",
- port_name(port));
+ drm_dbg_kms(&dev_priv->drm,
+ "VBT says port %c is not DVI/HDMI/DP compatible, respect it\n",
+ port_name(port));
return;
}
@@ -4528,17 +4907,36 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
if (init_lspcon) {
if (lspcon_init(intel_dig_port))
/* TODO: handle hdmi info frame part */
- DRM_DEBUG_KMS("LSPCON init success on port %c\n",
- port_name(port));
+ drm_dbg_kms(&dev_priv->drm,
+ "LSPCON init success on port %c\n",
+ port_name(port));
else
/*
* LSPCON init faied, but DP init was success, so
* lets try to drive as DP++ port.
*/
- DRM_ERROR("LSPCON init failed on port %c\n",
+ drm_err(&dev_priv->drm,
+ "LSPCON init failed on port %c\n",
port_name(port));
}
+ if (INTEL_GEN(dev_priv) >= 11) {
+ if (intel_phy_is_tc(dev_priv, phy))
+ intel_dig_port->connected = intel_tc_port_connected;
+ else
+ intel_dig_port->connected = lpt_digital_port_connected;
+ } else if (INTEL_GEN(dev_priv) >= 8) {
+ if (port == PORT_A || IS_GEN9_LP(dev_priv))
+ intel_dig_port->connected = bdw_digital_port_connected;
+ else
+ intel_dig_port->connected = lpt_digital_port_connected;
+ } else {
+ if (port == PORT_A)
+ intel_dig_port->connected = hsw_digital_port_connected;
+ else
+ intel_dig_port->connected = lpt_digital_port_connected;
+ }
+
intel_infoframe_init(intel_dig_port);
return;
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.h b/drivers/gpu/drm/i915/display/intel_ddi.h
index 55fd72b901fe..fbdf8ddde486 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.h
+++ b/drivers/gpu/drm/i915/display/intel_ddi.h
@@ -17,16 +17,19 @@ struct intel_dp;
struct intel_dpll_hw_state;
struct intel_encoder;
-void intel_ddi_fdi_post_disable(struct intel_encoder *intel_encoder,
+void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *intel_encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state);
void hsw_fdi_link_train(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port);
bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
-void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state);
+void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state);
-void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state);
+void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state);
void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state);
void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 346846609f45..9ea1a397d1b5 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -238,9 +238,9 @@ static void intel_update_czclk(struct drm_i915_private *dev_priv)
dev_priv->czclk_freq);
}
-static inline u32 /* units of 100MHz */
-intel_fdi_link_freq(struct drm_i915_private *dev_priv,
- const struct intel_crtc_state *pipe_config)
+/* units of 100MHz */
+static u32 intel_fdi_link_freq(struct drm_i915_private *dev_priv,
+ const struct intel_crtc_state *pipe_config)
{
if (HAS_DDI(dev_priv))
return pipe_config->port_clock; /* SPLL */
@@ -525,7 +525,7 @@ skl_wa_827(struct drm_i915_private *dev_priv, enum pipe pipe, bool enable)
intel_de_read(dev_priv, CLKGATE_DIS_PSL(pipe)) & ~(DUPS1_GATING_DIS | DUPS2_GATING_DIS));
}
-/* Wa_2006604312:icl */
+/* Wa_2006604312:icl,ehl */
static void
icl_wa_scalerclkgating(struct drm_i915_private *dev_priv, enum pipe pipe,
bool enable)
@@ -544,17 +544,23 @@ needs_modeset(const struct intel_crtc_state *state)
return drm_atomic_crtc_needs_modeset(&state->uapi);
}
-bool
-is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
+static bool
+is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state)
{
- return (crtc_state->master_transcoder != INVALID_TRANSCODER ||
- crtc_state->sync_mode_slaves_mask);
+ return crtc_state->master_transcoder != INVALID_TRANSCODER;
}
static bool
-is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state)
+is_trans_port_sync_master(const struct intel_crtc_state *crtc_state)
{
- return crtc_state->master_transcoder != INVALID_TRANSCODER;
+ return crtc_state->sync_mode_slaves_mask != 0;
+}
+
+bool
+is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
+{
+ return is_trans_port_sync_master(crtc_state) ||
+ is_trans_port_sync_slave(crtc_state);
}
/*
@@ -620,45 +626,43 @@ int chv_calc_dpll_params(int refclk, struct dpll *clock)
return clock->dot / 5;
}
-#define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0)
-
/*
* Returns whether the given set of divisors are valid for a given refclk with
* the given connectors.
*/
-static bool intel_PLL_is_valid(struct drm_i915_private *dev_priv,
+static bool intel_pll_is_valid(struct drm_i915_private *dev_priv,
const struct intel_limit *limit,
const struct dpll *clock)
{
- if (clock->n < limit->n.min || limit->n.max < clock->n)
- INTELPllInvalid("n out of range\n");
- if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
- INTELPllInvalid("p1 out of range\n");
- if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
- INTELPllInvalid("m2 out of range\n");
- if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
- INTELPllInvalid("m1 out of range\n");
+ if (clock->n < limit->n.min || limit->n.max < clock->n)
+ return false;
+ if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
+ return false;
+ if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
+ return false;
+ if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
+ return false;
if (!IS_PINEVIEW(dev_priv) && !IS_VALLEYVIEW(dev_priv) &&
!IS_CHERRYVIEW(dev_priv) && !IS_GEN9_LP(dev_priv))
if (clock->m1 <= clock->m2)
- INTELPllInvalid("m1 <= m2\n");
+ return false;
if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) &&
!IS_GEN9_LP(dev_priv)) {
if (clock->p < limit->p.min || limit->p.max < clock->p)
- INTELPllInvalid("p out of range\n");
+ return false;
if (clock->m < limit->m.min || limit->m.max < clock->m)
- INTELPllInvalid("m out of range\n");
+ return false;
}
if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
- INTELPllInvalid("vco out of range\n");
+ return false;
/* XXX: We may need to be checking "Dot clock" depending on the multiplier,
* connector, etc., rather than just a single range.
*/
if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
- INTELPllInvalid("dot out of range\n");
+ return false;
return true;
}
@@ -725,7 +729,7 @@ i9xx_find_best_dpll(const struct intel_limit *limit,
int this_err;
i9xx_calc_dpll_params(refclk, &clock);
- if (!intel_PLL_is_valid(to_i915(dev),
+ if (!intel_pll_is_valid(to_i915(dev),
limit,
&clock))
continue;
@@ -781,7 +785,7 @@ pnv_find_best_dpll(const struct intel_limit *limit,
int this_err;
pnv_calc_dpll_params(refclk, &clock);
- if (!intel_PLL_is_valid(to_i915(dev),
+ if (!intel_pll_is_valid(to_i915(dev),
limit,
&clock))
continue;
@@ -842,7 +846,7 @@ g4x_find_best_dpll(const struct intel_limit *limit,
int this_err;
i9xx_calc_dpll_params(refclk, &clock);
- if (!intel_PLL_is_valid(to_i915(dev),
+ if (!intel_pll_is_valid(to_i915(dev),
limit,
&clock))
continue;
@@ -939,7 +943,7 @@ vlv_find_best_dpll(const struct intel_limit *limit,
vlv_calc_dpll_params(refclk, &clock);
- if (!intel_PLL_is_valid(to_i915(dev),
+ if (!intel_pll_is_valid(to_i915(dev),
limit,
&clock))
continue;
@@ -1008,7 +1012,7 @@ chv_find_best_dpll(const struct intel_limit *limit,
chv_calc_dpll_params(refclk, &clock);
- if (!intel_PLL_is_valid(to_i915(dev), limit, &clock))
+ if (!intel_pll_is_valid(to_i915(dev), limit, &clock))
continue;
if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock,
@@ -1969,16 +1973,16 @@ static bool is_aux_plane(const struct drm_framebuffer *fb, int plane)
static int main_to_ccs_plane(const struct drm_framebuffer *fb, int main_plane)
{
- WARN_ON(!is_ccs_modifier(fb->modifier) ||
- (main_plane && main_plane >= fb->format->num_planes / 2));
+ drm_WARN_ON(fb->dev, !is_ccs_modifier(fb->modifier) ||
+ (main_plane && main_plane >= fb->format->num_planes / 2));
return fb->format->num_planes / 2 + main_plane;
}
static int ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane)
{
- WARN_ON(!is_ccs_modifier(fb->modifier) ||
- ccs_plane < fb->format->num_planes / 2);
+ drm_WARN_ON(fb->dev, !is_ccs_modifier(fb->modifier) ||
+ ccs_plane < fb->format->num_planes / 2);
return ccs_plane - fb->format->num_planes / 2;
}
@@ -2910,6 +2914,7 @@ intel_fb_plane_get_subsampling(int *hsub, int *vsub,
static int
intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
{
+ struct drm_i915_private *i915 = to_i915(fb->dev);
struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
int main_plane;
int hsub, vsub;
@@ -2938,7 +2943,8 @@ intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
* x/y offsets must match between CCS and the main surface.
*/
if (main_x != ccs_x || main_y != ccs_y) {
- DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs %d,%d) full (main %d,%d ccs %d,%d)\n",
+ drm_dbg_kms(&i915->drm,
+ "Bad CCS x/y (main %d,%d ccs %d,%d) full (main %d,%d ccs %d,%d)\n",
main_x, main_y,
ccs_x, ccs_y,
intel_fb->normal[main_plane].x,
@@ -2986,7 +2992,7 @@ setup_fb_rotation(int plane, const struct intel_remapped_plane_info *plane_info,
fb->modifier != I915_FORMAT_MOD_Yf_TILED)
return 0;
- if (WARN_ON(plane >= ARRAY_SIZE(rot_info->plane)))
+ if (drm_WARN_ON(fb->dev, plane >= ARRAY_SIZE(rot_info->plane)))
return 0;
rot_info->plane[plane] = *plane_info;
@@ -3336,6 +3342,8 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
return DRM_FORMAT_RGB565;
case PLANE_CTL_FORMAT_NV12:
return DRM_FORMAT_NV12;
+ case PLANE_CTL_FORMAT_XYUV:
+ return DRM_FORMAT_XYUV8888;
case PLANE_CTL_FORMAT_P010:
return DRM_FORMAT_P010;
case PLANE_CTL_FORMAT_P012:
@@ -4580,6 +4588,8 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
case DRM_FORMAT_XRGB16161616F:
case DRM_FORMAT_ARGB16161616F:
return PLANE_CTL_FORMAT_XRGB_16161616F;
+ case DRM_FORMAT_XYUV8888:
+ return PLANE_CTL_FORMAT_XYUV;
case DRM_FORMAT_YUYV:
return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV;
case DRM_FORMAT_YVYU:
@@ -4998,37 +5008,6 @@ static void icl_set_pipe_chicken(struct intel_crtc *crtc)
intel_de_write(dev_priv, PIPE_CHICKEN(pipe), tmp);
}
-static void icl_enable_trans_port_sync(const struct intel_crtc_state *crtc_state)
-{
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- u32 trans_ddi_func_ctl2_val;
- u8 master_select;
-
- /*
- * Configure the master select and enable Transcoder Port Sync for
- * Slave CRTCs transcoder.
- */
- if (crtc_state->master_transcoder == INVALID_TRANSCODER)
- return;
-
- if (crtc_state->master_transcoder == TRANSCODER_EDP)
- master_select = 0;
- else
- master_select = crtc_state->master_transcoder + 1;
-
- /* Set the master select bits for Tranascoder Port Sync */
- trans_ddi_func_ctl2_val = (PORT_SYNC_MODE_MASTER_SELECT(master_select) &
- PORT_SYNC_MODE_MASTER_SELECT_MASK) <<
- PORT_SYNC_MODE_MASTER_SELECT_SHIFT;
- /* Enable Transcoder Port Sync */
- trans_ddi_func_ctl2_val |= PORT_SYNC_MODE_ENABLE;
-
- intel_de_write(dev_priv,
- TRANS_DDI_FUNC_CTL2(crtc_state->cpu_transcoder),
- trans_ddi_func_ctl2_val);
-}
-
static void intel_fdi_normal_train(struct intel_crtc *crtc)
{
struct drm_device *dev = crtc->base.dev;
@@ -6110,30 +6089,26 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
return 0;
}
-/**
- * skl_update_scaler_crtc - Stages update to scaler state for a given crtc.
- *
- * @state: crtc's scaler state
- *
- * Return
- * 0 - scaler_usage updated successfully
- * error - requested scaling cannot be supported or other error condition
- */
-int skl_update_scaler_crtc(struct intel_crtc_state *state)
+static int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state)
{
- const struct drm_display_mode *adjusted_mode = &state->hw.adjusted_mode;
- bool need_scaler = false;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+ int width, height;
- if (state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 ||
- state->pch_pfit.enabled)
- need_scaler = true;
+ if (crtc_state->pch_pfit.enabled) {
+ width = drm_rect_width(&crtc_state->pch_pfit.dst);
+ height = drm_rect_height(&crtc_state->pch_pfit.dst);
+ } else {
+ width = adjusted_mode->crtc_hdisplay;
+ height = adjusted_mode->crtc_vdisplay;
+ }
- return skl_update_scaler(state, !state->hw.active, SKL_CRTC_INDEX,
- &state->scaler_state.scaler_id,
- state->pipe_src_w, state->pipe_src_h,
- adjusted_mode->crtc_hdisplay,
- adjusted_mode->crtc_vdisplay, NULL, 0,
- need_scaler);
+ return skl_update_scaler(crtc_state, !crtc_state->hw.active,
+ SKL_CRTC_INDEX,
+ &crtc_state->scaler_state.scaler_id,
+ crtc_state->pipe_src_w, crtc_state->pipe_src_h,
+ width, height, NULL, 0,
+ crtc_state->pch_pfit.enabled);
}
/**
@@ -6200,6 +6175,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
+ case DRM_FORMAT_XYUV8888:
case DRM_FORMAT_P010:
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
@@ -6241,70 +6217,80 @@ static void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
- enum pipe pipe = crtc->pipe;
const struct intel_crtc_scaler_state *scaler_state =
&crtc_state->scaler_state;
+ struct drm_rect src = {
+ .x2 = crtc_state->pipe_src_w << 16,
+ .y2 = crtc_state->pipe_src_h << 16,
+ };
+ const struct drm_rect *dst = &crtc_state->pch_pfit.dst;
+ u16 uv_rgb_hphase, uv_rgb_vphase;
+ enum pipe pipe = crtc->pipe;
+ int width = drm_rect_width(dst);
+ int height = drm_rect_height(dst);
+ int x = dst->x1;
+ int y = dst->y1;
+ int hscale, vscale;
+ unsigned long irqflags;
+ int id;
- if (crtc_state->pch_pfit.enabled) {
- u16 uv_rgb_hphase, uv_rgb_vphase;
- int pfit_w, pfit_h, hscale, vscale;
- unsigned long irqflags;
- int id;
-
- if (drm_WARN_ON(&dev_priv->drm,
- crtc_state->scaler_state.scaler_id < 0))
- return;
+ if (!crtc_state->pch_pfit.enabled)
+ return;
- pfit_w = (crtc_state->pch_pfit.size >> 16) & 0xFFFF;
- pfit_h = crtc_state->pch_pfit.size & 0xFFFF;
+ if (drm_WARN_ON(&dev_priv->drm,
+ crtc_state->scaler_state.scaler_id < 0))
+ return;
- hscale = (crtc_state->pipe_src_w << 16) / pfit_w;
- vscale = (crtc_state->pipe_src_h << 16) / pfit_h;
+ hscale = drm_rect_calc_hscale(&src, dst, 0, INT_MAX);
+ vscale = drm_rect_calc_vscale(&src, dst, 0, INT_MAX);
- uv_rgb_hphase = skl_scaler_calc_phase(1, hscale, false);
- uv_rgb_vphase = skl_scaler_calc_phase(1, vscale, false);
+ uv_rgb_hphase = skl_scaler_calc_phase(1, hscale, false);
+ uv_rgb_vphase = skl_scaler_calc_phase(1, vscale, false);
- id = scaler_state->scaler_id;
+ id = scaler_state->scaler_id;
- spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
+ spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
- intel_de_write_fw(dev_priv, SKL_PS_CTRL(pipe, id), PS_SCALER_EN |
- PS_FILTER_MEDIUM | scaler_state->scalers[id].mode);
- intel_de_write_fw(dev_priv, SKL_PS_VPHASE(pipe, id),
- PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_vphase));
- intel_de_write_fw(dev_priv, SKL_PS_HPHASE(pipe, id),
- PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_hphase));
- intel_de_write_fw(dev_priv, SKL_PS_WIN_POS(pipe, id),
- crtc_state->pch_pfit.pos);
- intel_de_write_fw(dev_priv, SKL_PS_WIN_SZ(pipe, id),
- crtc_state->pch_pfit.size);
+ intel_de_write_fw(dev_priv, SKL_PS_CTRL(pipe, id), PS_SCALER_EN |
+ PS_FILTER_MEDIUM | scaler_state->scalers[id].mode);
+ intel_de_write_fw(dev_priv, SKL_PS_VPHASE(pipe, id),
+ PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_vphase));
+ intel_de_write_fw(dev_priv, SKL_PS_HPHASE(pipe, id),
+ PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_hphase));
+ intel_de_write_fw(dev_priv, SKL_PS_WIN_POS(pipe, id),
+ x << 16 | y);
+ intel_de_write_fw(dev_priv, SKL_PS_WIN_SZ(pipe, id),
+ width << 16 | height);
- spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
- }
+ spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
}
static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ const struct drm_rect *dst = &crtc_state->pch_pfit.dst;
enum pipe pipe = crtc->pipe;
+ int width = drm_rect_width(dst);
+ int height = drm_rect_height(dst);
+ int x = dst->x1;
+ int y = dst->y1;
- if (crtc_state->pch_pfit.enabled) {
- /* Force use of hard-coded filter coefficients
- * as some pre-programmed values are broken,
- * e.g. x201.
- */
- if (IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv))
- intel_de_write(dev_priv, PF_CTL(pipe),
- PF_ENABLE | PF_FILTER_MED_3x3 | PF_PIPE_SEL_IVB(pipe));
- else
- intel_de_write(dev_priv, PF_CTL(pipe),
- PF_ENABLE | PF_FILTER_MED_3x3);
- intel_de_write(dev_priv, PF_WIN_POS(pipe),
- crtc_state->pch_pfit.pos);
- intel_de_write(dev_priv, PF_WIN_SZ(pipe),
- crtc_state->pch_pfit.size);
- }
+ if (!crtc_state->pch_pfit.enabled)
+ return;
+
+ /* Force use of hard-coded filter coefficients
+ * as some pre-programmed values are broken,
+ * e.g. x201.
+ */
+ if (IS_IVYBRIDGE(dev_priv) || IS_HASWELL(dev_priv))
+ intel_de_write(dev_priv, PF_CTL(pipe), PF_ENABLE |
+ PF_FILTER_MED_3x3 | PF_PIPE_SEL_IVB(pipe));
+ else
+ intel_de_write(dev_priv, PF_CTL(pipe), PF_ENABLE |
+ PF_FILTER_MED_3x3);
+ intel_de_write(dev_priv, PF_WIN_POS(pipe), x << 16 | y);
+ intel_de_write(dev_priv, PF_WIN_SZ(pipe), width << 16 | height);
}
void hsw_enable_ips(const struct intel_crtc_state *crtc_state)
@@ -6463,8 +6449,8 @@ static bool needs_scalerclk_wa(const struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
- /* Wa_2006604312:icl */
- if (crtc_state->scaler_state.scaler_users > 0 && IS_ICELAKE(dev_priv))
+ /* Wa_2006604312:icl,ehl */
+ if (crtc_state->scaler_state.scaler_users > 0 && IS_GEN(dev_priv, 11))
return true;
return false;
@@ -6534,7 +6520,7 @@ static void intel_pre_plane_update(struct intel_atomic_state *state,
needs_nv12_wa(new_crtc_state))
skl_wa_827(dev_priv, pipe, true);
- /* Wa_2006604312:icl */
+ /* Wa_2006604312:icl,ehl */
if (!needs_scalerclk_wa(old_crtc_state) &&
needs_scalerclk_wa(new_crtc_state))
icl_wa_scalerclkgating(dev_priv, pipe, true);
@@ -6646,7 +6632,7 @@ intel_connector_primary_encoder(struct intel_connector *connector)
return &dp_to_dig_port(connector->mst_port)->base;
encoder = intel_attached_encoder(connector);
- WARN_ON(!encoder);
+ drm_WARN_ON(connector->base.dev, !encoder);
return encoder;
}
@@ -6720,7 +6706,8 @@ static void intel_encoders_pre_pll_enable(struct intel_atomic_state *state,
continue;
if (encoder->pre_pll_enable)
- encoder->pre_pll_enable(encoder, crtc_state, conn_state);
+ encoder->pre_pll_enable(state, encoder,
+ crtc_state, conn_state);
}
}
@@ -6741,7 +6728,8 @@ static void intel_encoders_pre_enable(struct intel_atomic_state *state,
continue;
if (encoder->pre_enable)
- encoder->pre_enable(encoder, crtc_state, conn_state);
+ encoder->pre_enable(state, encoder,
+ crtc_state, conn_state);
}
}
@@ -6762,7 +6750,8 @@ static void intel_encoders_enable(struct intel_atomic_state *state,
continue;
if (encoder->enable)
- encoder->enable(encoder, crtc_state, conn_state);
+ encoder->enable(state, encoder,
+ crtc_state, conn_state);
intel_opregion_notify_encoder(encoder, true);
}
}
@@ -6785,7 +6774,8 @@ static void intel_encoders_disable(struct intel_atomic_state *state,
intel_opregion_notify_encoder(encoder, false);
if (encoder->disable)
- encoder->disable(encoder, old_crtc_state, old_conn_state);
+ encoder->disable(state, encoder,
+ old_crtc_state, old_conn_state);
}
}
@@ -6806,7 +6796,8 @@ static void intel_encoders_post_disable(struct intel_atomic_state *state,
continue;
if (encoder->post_disable)
- encoder->post_disable(encoder, old_crtc_state, old_conn_state);
+ encoder->post_disable(state, encoder,
+ old_crtc_state, old_conn_state);
}
}
@@ -6827,7 +6818,8 @@ static void intel_encoders_post_pll_disable(struct intel_atomic_state *state,
continue;
if (encoder->post_pll_disable)
- encoder->post_pll_disable(encoder, old_crtc_state, old_conn_state);
+ encoder->post_pll_disable(state, encoder,
+ old_crtc_state, old_conn_state);
}
}
@@ -6848,7 +6840,8 @@ static void intel_encoders_update_pipe(struct intel_atomic_state *state,
continue;
if (encoder->update_pipe)
- encoder->update_pipe(encoder, crtc_state, conn_state);
+ encoder->update_pipe(state, encoder,
+ crtc_state, conn_state);
}
}
@@ -7037,9 +7030,6 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
if (!transcoder_is_dsi(cpu_transcoder))
intel_set_pipe_timings(new_crtc_state);
- if (INTEL_GEN(dev_priv) >= 11)
- icl_enable_trans_port_sync(new_crtc_state);
-
intel_set_pipe_src_size(new_crtc_state);
if (cpu_transcoder != TRANSCODER_EDP &&
@@ -7087,9 +7077,6 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
if (INTEL_GEN(dev_priv) >= 11)
icl_set_pipe_chicken(crtc);
- if (!transcoder_is_dsi(cpu_transcoder))
- intel_ddi_enable_transcoder_func(new_crtc_state);
-
if (dev_priv->display.initial_watermarks)
dev_priv->display.initial_watermarks(state, crtc);
@@ -7120,11 +7107,12 @@ void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state)
/* To avoid upsetting the power well on haswell only disable the pfit if
* it's in use. The hw state code will make sure we get this right. */
- if (old_crtc_state->pch_pfit.enabled) {
- intel_de_write(dev_priv, PF_CTL(pipe), 0);
- intel_de_write(dev_priv, PF_WIN_POS(pipe), 0);
- intel_de_write(dev_priv, PF_WIN_SZ(pipe), 0);
- }
+ if (!old_crtc_state->pch_pfit.enabled)
+ return;
+
+ intel_de_write(dev_priv, PF_CTL(pipe), 0);
+ intel_de_write(dev_priv, PF_WIN_POS(pipe), 0);
+ intel_de_write(dev_priv, PF_WIN_SZ(pipe), 0);
}
static void ilk_crtc_disable(struct intel_atomic_state *state,
@@ -7312,7 +7300,17 @@ intel_aux_power_domain(struct intel_digital_port *dig_port)
}
}
- switch (dig_port->aux_ch) {
+ return intel_legacy_aux_to_power_domain(dig_port->aux_ch);
+}
+
+/*
+ * Converts aux_ch to power_domain without caring about TBT ports for that use
+ * intel_aux_power_domain()
+ */
+enum intel_display_power_domain
+intel_legacy_aux_to_power_domain(enum aux_ch aux_ch)
+{
+ switch (aux_ch) {
case AUX_CH_A:
return POWER_DOMAIN_AUX_A;
case AUX_CH_B:
@@ -7328,7 +7326,7 @@ intel_aux_power_domain(struct intel_digital_port *dig_port)
case AUX_CH_G:
return POWER_DOMAIN_AUX_G;
default:
- MISSING_CASE(dig_port->aux_ch);
+ MISSING_CASE(aux_ch);
return POWER_DOMAIN_AUX_A;
}
}
@@ -7942,39 +7940,36 @@ static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc)
(crtc->pipe == PIPE_A || IS_I915G(dev_priv));
}
-static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config)
+static u32 ilk_pipe_pixel_rate(const struct intel_crtc_state *crtc_state)
{
- u32 pixel_rate;
-
- pixel_rate = pipe_config->hw.adjusted_mode.crtc_clock;
+ u32 pixel_rate = crtc_state->hw.adjusted_mode.crtc_clock;
+ unsigned int pipe_w, pipe_h, pfit_w, pfit_h;
/*
* We only use IF-ID interlacing. If we ever use
* PF-ID we'll need to adjust the pixel_rate here.
*/
- if (pipe_config->pch_pfit.enabled) {
- u64 pipe_w, pipe_h, pfit_w, pfit_h;
- u32 pfit_size = pipe_config->pch_pfit.size;
+ if (!crtc_state->pch_pfit.enabled)
+ return pixel_rate;
- pipe_w = pipe_config->pipe_src_w;
- pipe_h = pipe_config->pipe_src_h;
+ pipe_w = crtc_state->pipe_src_w;
+ pipe_h = crtc_state->pipe_src_h;
- pfit_w = (pfit_size >> 16) & 0xFFFF;
- pfit_h = pfit_size & 0xFFFF;
- if (pipe_w < pfit_w)
- pipe_w = pfit_w;
- if (pipe_h < pfit_h)
- pipe_h = pfit_h;
+ pfit_w = drm_rect_width(&crtc_state->pch_pfit.dst);
+ pfit_h = drm_rect_height(&crtc_state->pch_pfit.dst);
- if (WARN_ON(!pfit_w || !pfit_h))
- return pixel_rate;
+ if (pipe_w < pfit_w)
+ pipe_w = pfit_w;
+ if (pipe_h < pfit_h)
+ pipe_h = pfit_h;
- pixel_rate = div_u64(mul_u32_u32(pixel_rate, pipe_w * pipe_h),
- pfit_w * pfit_h);
- }
+ if (drm_WARN_ON(crtc_state->uapi.crtc->dev,
+ !pfit_w || !pfit_h))
+ return pixel_rate;
- return pixel_rate;
+ return div_u64(mul_u32_u32(pixel_rate, pipe_w * pipe_h),
+ pfit_w * pfit_h);
}
static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
@@ -8143,7 +8138,7 @@ static void intel_panel_sanitize_ssc(struct drm_i915_private *dev_priv)
}
}
-static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
+static bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
{
if (i915_modparams.panel_use_ssc >= 0)
return i915_modparams.panel_use_ssc != 0;
@@ -8891,7 +8886,6 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
mode->clock = pipe_config->hw.adjusted_mode.crtc_clock;
- mode->hsync = drm_mode_hsync(mode);
mode->vrefresh = drm_mode_vrefresh(mode);
drm_mode_set_name(mode);
}
@@ -9168,9 +9162,9 @@ static bool i9xx_has_pfit(struct drm_i915_private *dev_priv)
IS_PINEVIEW(dev_priv) || IS_MOBILE(dev_priv);
}
-static void i9xx_get_pfit_config(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config)
+static void i9xx_get_pfit_config(struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 tmp;
@@ -9190,9 +9184,9 @@ static void i9xx_get_pfit_config(struct intel_crtc *crtc,
return;
}
- pipe_config->gmch_pfit.control = tmp;
- pipe_config->gmch_pfit.pgm_ratios = intel_de_read(dev_priv,
- PFIT_PGM_RATIOS);
+ crtc_state->gmch_pfit.control = tmp;
+ crtc_state->gmch_pfit.pgm_ratios =
+ intel_de_read(dev_priv, PFIT_PGM_RATIOS);
}
static void vlv_crtc_clock_get(struct intel_crtc *crtc,
@@ -9398,7 +9392,6 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
pipe_config->shared_dpll = NULL;
- pipe_config->master_transcoder = INVALID_TRANSCODER;
ret = false;
@@ -9443,7 +9436,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
intel_get_pipe_timings(crtc, pipe_config);
intel_get_pipe_src_size(crtc, pipe_config);
- i9xx_get_pfit_config(crtc, pipe_config);
+ i9xx_get_pfit_config(pipe_config);
if (INTEL_GEN(dev_priv) >= 4) {
/* No way to read it out on pipes B and C */
@@ -10413,37 +10406,47 @@ static void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
&pipe_config->fdi_m_n, NULL);
}
-static void skl_get_pfit_config(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config)
+static void ilk_get_pfit_pos_size(struct intel_crtc_state *crtc_state,
+ u32 pos, u32 size)
{
- struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state;
- u32 ps_ctrl = 0;
+ drm_rect_init(&crtc_state->pch_pfit.dst,
+ pos >> 16, pos & 0xffff,
+ size >> 16, size & 0xffff);
+}
+
+static void skl_get_pfit_config(struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state;
int id = -1;
int i;
/* find scaler attached to this pipe */
for (i = 0; i < crtc->num_scalers; i++) {
- ps_ctrl = intel_de_read(dev_priv, SKL_PS_CTRL(crtc->pipe, i));
- if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) {
- id = i;
- pipe_config->pch_pfit.enabled = true;
- pipe_config->pch_pfit.pos = intel_de_read(dev_priv,
- SKL_PS_WIN_POS(crtc->pipe, i));
- pipe_config->pch_pfit.size = intel_de_read(dev_priv,
- SKL_PS_WIN_SZ(crtc->pipe, i));
- scaler_state->scalers[i].in_use = true;
- break;
- }
+ u32 ctl, pos, size;
+
+ ctl = intel_de_read(dev_priv, SKL_PS_CTRL(crtc->pipe, i));
+ if ((ctl & (PS_SCALER_EN | PS_PLANE_SEL_MASK)) != PS_SCALER_EN)
+ continue;
+
+ id = i;
+ crtc_state->pch_pfit.enabled = true;
+
+ pos = intel_de_read(dev_priv, SKL_PS_WIN_POS(crtc->pipe, i));
+ size = intel_de_read(dev_priv, SKL_PS_WIN_SZ(crtc->pipe, i));
+
+ ilk_get_pfit_pos_size(crtc_state, pos, size);
+
+ scaler_state->scalers[i].in_use = true;
+ break;
}
scaler_state->scaler_id = id;
- if (id >= 0) {
+ if (id >= 0)
scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX);
- } else {
+ else
scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX);
- }
}
static void
@@ -10579,30 +10582,30 @@ error:
kfree(intel_fb);
}
-static void ilk_get_pfit_config(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config)
+static void ilk_get_pfit_config(struct intel_crtc_state *crtc_state)
{
- struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- u32 tmp;
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ u32 ctl, pos, size;
- tmp = intel_de_read(dev_priv, PF_CTL(crtc->pipe));
-
- if (tmp & PF_ENABLE) {
- pipe_config->pch_pfit.enabled = true;
- pipe_config->pch_pfit.pos = intel_de_read(dev_priv,
- PF_WIN_POS(crtc->pipe));
- pipe_config->pch_pfit.size = intel_de_read(dev_priv,
- PF_WIN_SZ(crtc->pipe));
-
- /* We currently do not free assignements of panel fitters on
- * ivb/hsw (since we don't use the higher upscaling modes which
- * differentiates them) so just WARN about this case for now. */
- if (IS_GEN(dev_priv, 7)) {
- drm_WARN_ON(dev, (tmp & PF_PIPE_SEL_MASK_IVB) !=
- PF_PIPE_SEL_IVB(crtc->pipe));
- }
- }
+ ctl = intel_de_read(dev_priv, PF_CTL(crtc->pipe));
+ if ((ctl & PF_ENABLE) == 0)
+ return;
+
+ crtc_state->pch_pfit.enabled = true;
+
+ pos = intel_de_read(dev_priv, PF_WIN_POS(crtc->pipe));
+ size = intel_de_read(dev_priv, PF_WIN_SZ(crtc->pipe));
+
+ ilk_get_pfit_pos_size(crtc_state, pos, size);
+
+ /*
+ * We currently do not free assignements of panel fitters on
+ * ivb/hsw (since we don't use the higher upscaling modes which
+ * differentiates them) so just WARN about this case for now.
+ */
+ drm_WARN_ON(&dev_priv->drm, IS_GEN(dev_priv, 7) &&
+ (ctl & PF_PIPE_SEL_MASK_IVB) != PF_PIPE_SEL_IVB(crtc->pipe));
}
static bool ilk_get_pipe_config(struct intel_crtc *crtc,
@@ -10622,7 +10625,6 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
pipe_config->shared_dpll = NULL;
- pipe_config->master_transcoder = INVALID_TRANSCODER;
ret = false;
tmp = intel_de_read(dev_priv, PIPECONF(crtc->pipe));
@@ -10714,7 +10716,7 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
intel_get_pipe_timings(crtc, pipe_config);
intel_get_pipe_src_size(crtc, pipe_config);
- ilk_get_pfit_config(crtc, pipe_config);
+ ilk_get_pfit_config(pipe_config);
ret = true;
@@ -10891,7 +10893,7 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
panel_transcoder_mask |=
BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
- if (HAS_TRANSCODER_EDP(dev_priv))
+ if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP))
panel_transcoder_mask |= BIT(TRANSCODER_EDP);
/*
@@ -11085,61 +11087,6 @@ static void hsw_get_ddi_port_state(struct intel_crtc *crtc,
}
}
-static enum transcoder transcoder_master_readout(struct drm_i915_private *dev_priv,
- enum transcoder cpu_transcoder)
-{
- u32 trans_port_sync, master_select;
-
- trans_port_sync = intel_de_read(dev_priv,
- TRANS_DDI_FUNC_CTL2(cpu_transcoder));
-
- if ((trans_port_sync & PORT_SYNC_MODE_ENABLE) == 0)
- return INVALID_TRANSCODER;
-
- master_select = trans_port_sync &
- PORT_SYNC_MODE_MASTER_SELECT_MASK;
- if (master_select == 0)
- return TRANSCODER_EDP;
- else
- return master_select - 1;
-}
-
-static void icl_get_trans_port_sync_config(struct intel_crtc_state *crtc_state)
-{
- struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
- u32 transcoders;
- enum transcoder cpu_transcoder;
-
- crtc_state->master_transcoder = transcoder_master_readout(dev_priv,
- crtc_state->cpu_transcoder);
-
- transcoders = BIT(TRANSCODER_A) |
- BIT(TRANSCODER_B) |
- BIT(TRANSCODER_C) |
- BIT(TRANSCODER_D);
- for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, transcoders) {
- enum intel_display_power_domain power_domain;
- intel_wakeref_t trans_wakeref;
-
- power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder);
- trans_wakeref = intel_display_power_get_if_enabled(dev_priv,
- power_domain);
-
- if (!trans_wakeref)
- continue;
-
- if (transcoder_master_readout(dev_priv, cpu_transcoder) ==
- crtc_state->cpu_transcoder)
- crtc_state->sync_mode_slaves_mask |= BIT(cpu_transcoder);
-
- intel_display_power_put(dev_priv, power_domain, trans_wakeref);
- }
-
- drm_WARN_ON(&dev_priv->drm,
- crtc_state->master_transcoder != INVALID_TRANSCODER &&
- crtc_state->sync_mode_slaves_mask);
-}
-
static bool hsw_get_pipe_config(struct intel_crtc *crtc,
struct intel_crtc_state *pipe_config)
{
@@ -11243,9 +11190,9 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
power_domain_mask |= BIT_ULL(power_domain);
if (INTEL_GEN(dev_priv) >= 9)
- skl_get_pfit_config(crtc, pipe_config);
+ skl_get_pfit_config(pipe_config);
else
- ilk_get_pfit_config(crtc, pipe_config);
+ ilk_get_pfit_config(pipe_config);
}
if (hsw_crtc_supports_ips(crtc)) {
@@ -11271,10 +11218,6 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
pipe_config->pixel_multiplier = 1;
}
- if (INTEL_GEN(dev_priv) >= 11 &&
- !transcoder_is_dsi(pipe_config->cpu_transcoder))
- icl_get_trans_port_sync_config(pipe_config);
-
out:
for_each_power_domain(power_domain, power_domain_mask)
intel_display_power_put(dev_priv,
@@ -12377,10 +12320,8 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
* only combine the results from all planes in the current place?
*/
if (!is_crtc_enabled) {
- plane_state->uapi.visible = visible = false;
- crtc_state->active_planes &= ~BIT(plane->id);
- crtc_state->data_rate[plane->id] = 0;
- crtc_state->min_cdclk[plane->id] = 0;
+ intel_plane_set_invisible(crtc_state, plane_state);
+ visible = false;
}
if (!was_visible && !visible)
@@ -12510,8 +12451,10 @@ static int icl_add_linked_planes(struct intel_atomic_state *state)
if (IS_ERR(linked_plane_state))
return PTR_ERR(linked_plane_state);
- WARN_ON(linked_plane_state->planar_linked_plane != plane);
- WARN_ON(linked_plane_state->planar_slave == plane_state->planar_slave);
+ drm_WARN_ON(state->base.dev,
+ linked_plane_state->planar_linked_plane != plane);
+ drm_WARN_ON(state->base.dev,
+ linked_plane_state->planar_slave == plane_state->planar_slave);
}
return 0;
@@ -12886,19 +12829,20 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc,
return 0;
}
-static void intel_dump_crtc_timings(const struct drm_display_mode *mode)
+static void intel_dump_crtc_timings(struct drm_i915_private *i915,
+ const struct drm_display_mode *mode)
{
- DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, "
- "type: 0x%x flags: 0x%x\n",
- mode->crtc_clock,
- mode->crtc_hdisplay, mode->crtc_hsync_start,
- mode->crtc_hsync_end, mode->crtc_htotal,
- mode->crtc_vdisplay, mode->crtc_vsync_start,
- mode->crtc_vsync_end, mode->crtc_vtotal,
- mode->type, mode->flags);
+ drm_dbg_kms(&i915->drm, "crtc timings: %d %d %d %d %d %d %d %d %d, "
+ "type: 0x%x flags: 0x%x\n",
+ mode->crtc_clock,
+ mode->crtc_hdisplay, mode->crtc_hsync_start,
+ mode->crtc_hsync_end, mode->crtc_htotal,
+ mode->crtc_vdisplay, mode->crtc_vsync_start,
+ mode->crtc_vsync_end, mode->crtc_vtotal,
+ mode->type, mode->flags);
}
-static inline void
+static void
intel_dump_m_n_config(const struct intel_crtc_state *pipe_config,
const char *id, unsigned int lane_count,
const struct intel_link_m_n *m_n)
@@ -12922,6 +12866,16 @@ intel_dump_infoframe(struct drm_i915_private *dev_priv,
hdmi_infoframe_log(KERN_DEBUG, dev_priv->drm.dev, frame);
}
+static void
+intel_dump_dp_vsc_sdp(struct drm_i915_private *dev_priv,
+ const struct drm_dp_vsc_sdp *vsc)
+{
+ if (!drm_debug_enabled(DRM_UT_KMS))
+ return;
+
+ drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, vsc);
+}
+
#define OUTPUT_TYPE(x) [INTEL_OUTPUT_ ## x] = #x
static const char * const output_type_str[] = {
@@ -13042,6 +12996,11 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
transcoder_name(pipe_config->cpu_transcoder),
pipe_config->pipe_bpp, pipe_config->dither);
+ drm_dbg_kms(&dev_priv->drm,
+ "port sync: master transcoder: %s, slave transcoder bitmask = 0x%x\n",
+ transcoder_name(pipe_config->master_transcoder),
+ pipe_config->sync_mode_slaves_mask);
+
if (pipe_config->has_pch_encoder)
intel_dump_m_n_config(pipe_config, "fdi",
pipe_config->fdi_lanes,
@@ -13074,12 +13033,21 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
if (pipe_config->infoframes.enable &
intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_VENDOR))
intel_dump_infoframe(dev_priv, &pipe_config->infoframes.hdmi);
+ if (pipe_config->infoframes.enable &
+ intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_DRM))
+ intel_dump_infoframe(dev_priv, &pipe_config->infoframes.drm);
+ if (pipe_config->infoframes.enable &
+ intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA))
+ intel_dump_infoframe(dev_priv, &pipe_config->infoframes.drm);
+ if (pipe_config->infoframes.enable &
+ intel_hdmi_infoframe_enable(DP_SDP_VSC))
+ intel_dump_dp_vsc_sdp(dev_priv, &pipe_config->infoframes.vsc);
drm_dbg_kms(&dev_priv->drm, "requested mode:\n");
drm_mode_debug_printmodeline(&pipe_config->hw.mode);
drm_dbg_kms(&dev_priv->drm, "adjusted mode:\n");
drm_mode_debug_printmodeline(&pipe_config->hw.adjusted_mode);
- intel_dump_crtc_timings(&pipe_config->hw.adjusted_mode);
+ intel_dump_crtc_timings(dev_priv, &pipe_config->hw.adjusted_mode);
drm_dbg_kms(&dev_priv->drm,
"port clock: %d, pipe src size: %dx%d, pixel rate %d\n",
pipe_config->port_clock,
@@ -13104,9 +13072,8 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
pipe_config->gmch_pfit.lvds_border_bits);
else
drm_dbg_kms(&dev_priv->drm,
- "pch pfit: pos: 0x%08x, size: 0x%08x, %s, force thru: %s\n",
- pipe_config->pch_pfit.pos,
- pipe_config->pch_pfit.size,
+ "pch pfit: " DRM_RECT_FMT ", %s, force thru: %s\n",
+ DRM_RECT_ARG(&pipe_config->pch_pfit.dst),
enableddisabled(pipe_config->pch_pfit.enabled),
yesno(pipe_config->pch_pfit.force_thru));
@@ -13228,7 +13195,8 @@ static void intel_crtc_copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state
{
crtc_state->uapi.enable = crtc_state->hw.enable;
crtc_state->uapi.active = crtc_state->hw.active;
- WARN_ON(drm_atomic_set_mode_for_crtc(&crtc_state->uapi, &crtc_state->hw.mode) < 0);
+ drm_WARN_ON(crtc_state->uapi.crtc->dev,
+ drm_atomic_set_mode_for_crtc(&crtc_state->uapi, &crtc_state->hw.mode) < 0);
crtc_state->uapi.adjusted_mode = crtc_state->hw.adjusted_mode;
@@ -13521,6 +13489,13 @@ intel_compare_infoframe(const union hdmi_infoframe *a,
return memcmp(a, b, sizeof(*a)) == 0;
}
+static bool
+intel_compare_dp_vsc_sdp(const struct drm_dp_vsc_sdp *a,
+ const struct drm_dp_vsc_sdp *b)
+{
+ return memcmp(a, b, sizeof(*a)) == 0;
+}
+
static void
pipe_config_infoframe_mismatch(struct drm_i915_private *dev_priv,
bool fastset, const char *name,
@@ -13546,6 +13521,31 @@ pipe_config_infoframe_mismatch(struct drm_i915_private *dev_priv,
}
}
+static void
+pipe_config_dp_vsc_sdp_mismatch(struct drm_i915_private *dev_priv,
+ bool fastset, const char *name,
+ const struct drm_dp_vsc_sdp *a,
+ const struct drm_dp_vsc_sdp *b)
+{
+ if (fastset) {
+ if (!drm_debug_enabled(DRM_UT_KMS))
+ return;
+
+ drm_dbg_kms(&dev_priv->drm,
+ "fastset mismatch in %s dp sdp\n", name);
+ drm_dbg_kms(&dev_priv->drm, "expected:\n");
+ drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, a);
+ drm_dbg_kms(&dev_priv->drm, "found:\n");
+ drm_dp_vsc_sdp_log(KERN_DEBUG, dev_priv->drm.dev, b);
+ } else {
+ drm_err(&dev_priv->drm, "mismatch in %s dp sdp\n", name);
+ drm_err(&dev_priv->drm, "expected:\n");
+ drm_dp_vsc_sdp_log(KERN_ERR, dev_priv->drm.dev, a);
+ drm_err(&dev_priv->drm, "found:\n");
+ drm_dp_vsc_sdp_log(KERN_ERR, dev_priv->drm.dev, b);
+ }
+}
+
static void __printf(4, 5)
pipe_config_mismatch(bool fastset, const struct intel_crtc *crtc,
const char *name, const char *format, ...)
@@ -13747,6 +13747,17 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
} \
} while (0)
+#define PIPE_CONF_CHECK_DP_VSC_SDP(name) do { \
+ if (!current_config->has_psr && !pipe_config->has_psr && \
+ !intel_compare_dp_vsc_sdp(&current_config->infoframes.name, \
+ &pipe_config->infoframes.name)) { \
+ pipe_config_dp_vsc_sdp_mismatch(dev_priv, fastset, __stringify(name), \
+ &current_config->infoframes.name, \
+ &pipe_config->infoframes.name); \
+ ret = false; \
+ } \
+} while (0)
+
#define PIPE_CONF_CHECK_COLOR_LUT(name1, name2, bit_precision) do { \
if (current_config->name1 != pipe_config->name1) { \
pipe_config_mismatch(fastset, crtc, __stringify(name1), \
@@ -13847,8 +13858,10 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_BOOL(pch_pfit.enabled);
if (current_config->pch_pfit.enabled) {
- PIPE_CONF_CHECK_X(pch_pfit.pos);
- PIPE_CONF_CHECK_X(pch_pfit.size);
+ PIPE_CONF_CHECK_I(pch_pfit.dst.x1);
+ PIPE_CONF_CHECK_I(pch_pfit.dst.y1);
+ PIPE_CONF_CHECK_I(pch_pfit.dst.x2);
+ PIPE_CONF_CHECK_I(pch_pfit.dst.y2);
}
PIPE_CONF_CHECK_I(scaler_state.scaler_id);
@@ -13922,6 +13935,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_INFOFRAME(spd);
PIPE_CONF_CHECK_INFOFRAME(hdmi);
PIPE_CONF_CHECK_INFOFRAME(drm);
+ PIPE_CONF_CHECK_DP_VSC_SDP(vsc);
PIPE_CONF_CHECK_X(sync_mode_slaves_mask);
PIPE_CONF_CHECK_I(master_transcoder);
@@ -14010,7 +14024,9 @@ static void verify_wm_state(struct intel_crtc *crtc,
/* Watermarks */
for (level = 0; level <= max_level; level++) {
if (skl_wm_level_equals(&hw_plane_wm->wm[level],
- &sw_plane_wm->wm[level]))
+ &sw_plane_wm->wm[level]) ||
+ (level == 0 && skl_wm_level_equals(&hw_plane_wm->wm[level],
+ &sw_plane_wm->sagv_wm0)))
continue;
drm_err(&dev_priv->drm,
@@ -14065,7 +14081,9 @@ static void verify_wm_state(struct intel_crtc *crtc,
/* Watermarks */
for (level = 0; level <= max_level; level++) {
if (skl_wm_level_equals(&hw_plane_wm->wm[level],
- &sw_plane_wm->wm[level]))
+ &sw_plane_wm->wm[level]) ||
+ (level == 0 && skl_wm_level_equals(&hw_plane_wm->wm[level],
+ &sw_plane_wm->sagv_wm0)))
continue;
drm_err(&dev_priv->drm,
@@ -14999,11 +15017,13 @@ static void intel_pipe_fastset(const struct intel_crtc_state *old_crtc_state,
}
static void commit_pipe_config(struct intel_atomic_state *state,
- struct intel_crtc_state *old_crtc_state,
- struct intel_crtc_state *new_crtc_state)
+ struct intel_crtc *crtc)
{
- struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+ const struct intel_crtc_state *new_crtc_state =
+ intel_atomic_get_new_crtc_state(state, crtc);
bool modeset = needs_modeset(new_crtc_state);
/*
@@ -15029,22 +15049,35 @@ static void commit_pipe_config(struct intel_atomic_state *state,
dev_priv->display.atomic_update_watermarks(state, crtc);
}
-static void intel_update_crtc(struct intel_crtc *crtc,
- struct intel_atomic_state *state,
- struct intel_crtc_state *old_crtc_state,
- struct intel_crtc_state *new_crtc_state)
+static void intel_enable_crtc(struct intel_atomic_state *state,
+ struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
- bool modeset = needs_modeset(new_crtc_state);
+ const struct intel_crtc_state *new_crtc_state =
+ intel_atomic_get_new_crtc_state(state, crtc);
- if (modeset) {
- intel_crtc_update_active_timings(new_crtc_state);
+ if (!needs_modeset(new_crtc_state))
+ return;
- dev_priv->display.crtc_enable(state, crtc);
+ intel_crtc_update_active_timings(new_crtc_state);
- /* vblanks work again, re-enable pipe CRC. */
- intel_crtc_enable_pipe_crc(crtc);
- } else {
+ dev_priv->display.crtc_enable(state, crtc);
+
+ /* vblanks work again, re-enable pipe CRC. */
+ intel_crtc_enable_pipe_crc(crtc);
+}
+
+static void intel_update_crtc(struct intel_atomic_state *state,
+ struct intel_crtc *crtc)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+ struct intel_crtc_state *new_crtc_state =
+ intel_atomic_get_new_crtc_state(state, crtc);
+ bool modeset = needs_modeset(new_crtc_state);
+
+ if (!modeset) {
if (new_crtc_state->preload_luts &&
(new_crtc_state->uapi.color_mgmt_changed ||
new_crtc_state->update_pipe))
@@ -15064,7 +15097,7 @@ static void intel_update_crtc(struct intel_crtc *crtc,
/* Perform vblank evasion around commit operation */
intel_pipe_update_start(new_crtc_state);
- commit_pipe_config(state, old_crtc_state, new_crtc_state);
+ commit_pipe_config(state, crtc);
if (INTEL_GEN(dev_priv) >= 9)
skl_update_planes_on_crtc(state, crtc);
@@ -15084,18 +15117,6 @@ static void intel_update_crtc(struct intel_crtc *crtc,
intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
}
-static struct intel_crtc *intel_get_slave_crtc(const struct intel_crtc_state *new_crtc_state)
-{
- struct drm_i915_private *dev_priv = to_i915(new_crtc_state->uapi.crtc->dev);
- enum transcoder slave_transcoder;
-
- drm_WARN_ON(&dev_priv->drm,
- !is_power_of_2(new_crtc_state->sync_mode_slaves_mask));
-
- slave_transcoder = ffs(new_crtc_state->sync_mode_slaves_mask) - 1;
- return intel_get_crtc_for_pipe(dev_priv,
- (enum pipe)slave_transcoder);
-}
static void intel_old_crtc_state_disables(struct intel_atomic_state *state,
struct intel_crtc_state *old_crtc_state,
@@ -15171,129 +15192,19 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
static void intel_commit_modeset_enables(struct intel_atomic_state *state)
{
+ struct intel_crtc_state *new_crtc_state;
struct intel_crtc *crtc;
- struct intel_crtc_state *old_crtc_state, *new_crtc_state;
int i;
- for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+ for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
if (!new_crtc_state->hw.active)
continue;
- intel_update_crtc(crtc, state, old_crtc_state,
- new_crtc_state);
+ intel_enable_crtc(state, crtc);
+ intel_update_crtc(state, crtc);
}
}
-static void intel_crtc_enable_trans_port_sync(struct intel_crtc *crtc,
- struct intel_atomic_state *state,
- struct intel_crtc_state *new_crtc_state)
-{
- struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-
- intel_crtc_update_active_timings(new_crtc_state);
- dev_priv->display.crtc_enable(state, crtc);
- intel_crtc_enable_pipe_crc(crtc);
-}
-
-static void intel_set_dp_tp_ctl_normal(struct intel_crtc *crtc,
- struct intel_atomic_state *state)
-{
- struct drm_connector *uninitialized_var(conn);
- struct drm_connector_state *conn_state;
- struct intel_dp *intel_dp;
- int i;
-
- for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
- if (conn_state->crtc == &crtc->base)
- break;
- }
- intel_dp = intel_attached_dp(to_intel_connector(conn));
- intel_dp_stop_link_train(intel_dp);
-}
-
-/*
- * TODO: This is only called from port sync and it is identical to what will be
- * executed again in intel_update_crtc() over port sync pipes
- */
-static void intel_post_crtc_enable_updates(struct intel_crtc *crtc,
- struct intel_atomic_state *state)
-{
- struct intel_crtc_state *new_crtc_state =
- intel_atomic_get_new_crtc_state(state, crtc);
- struct intel_crtc_state *old_crtc_state =
- intel_atomic_get_old_crtc_state(state, crtc);
- bool modeset = needs_modeset(new_crtc_state);
-
- if (new_crtc_state->update_pipe && !new_crtc_state->enable_fbc)
- intel_fbc_disable(crtc);
- else
- intel_fbc_enable(state, crtc);
-
- /* Perform vblank evasion around commit operation */
- intel_pipe_update_start(new_crtc_state);
- commit_pipe_config(state, old_crtc_state, new_crtc_state);
- skl_update_planes_on_crtc(state, crtc);
- intel_pipe_update_end(new_crtc_state);
-
- /*
- * We usually enable FIFO underrun interrupts as part of the
- * CRTC enable sequence during modesets. But when we inherit a
- * valid pipe configuration from the BIOS we need to take care
- * of enabling them on the CRTC's first fastset.
- */
- if (new_crtc_state->update_pipe && !modeset &&
- old_crtc_state->hw.mode.private_flags & I915_MODE_FLAG_INHERITED)
- intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
-}
-
-static void intel_update_trans_port_sync_crtcs(struct intel_crtc *crtc,
- struct intel_atomic_state *state,
- struct intel_crtc_state *old_crtc_state,
- struct intel_crtc_state *new_crtc_state)
-{
- struct drm_i915_private *i915 = to_i915(crtc->base.dev);
- struct intel_crtc *slave_crtc = intel_get_slave_crtc(new_crtc_state);
- struct intel_crtc_state *new_slave_crtc_state =
- intel_atomic_get_new_crtc_state(state, slave_crtc);
- struct intel_crtc_state *old_slave_crtc_state =
- intel_atomic_get_old_crtc_state(state, slave_crtc);
-
- drm_WARN_ON(&i915->drm, !slave_crtc || !new_slave_crtc_state ||
- !old_slave_crtc_state);
-
- drm_dbg_kms(&i915->drm,
- "Updating Transcoder Port Sync Master CRTC = %d %s and Slave CRTC %d %s\n",
- crtc->base.base.id, crtc->base.name,
- slave_crtc->base.base.id, slave_crtc->base.name);
-
- /* Enable seq for slave with with DP_TP_CTL left Idle until the
- * master is ready
- */
- intel_crtc_enable_trans_port_sync(slave_crtc,
- state,
- new_slave_crtc_state);
-
- /* Enable seq for master with with DP_TP_CTL left Idle */
- intel_crtc_enable_trans_port_sync(crtc,
- state,
- new_crtc_state);
-
- /* Set Slave's DP_TP_CTL to Normal */
- intel_set_dp_tp_ctl_normal(slave_crtc,
- state);
-
- /* Set Master's DP_TP_CTL To Normal */
- usleep_range(200, 400);
- intel_set_dp_tp_ctl_normal(crtc,
- state);
-
- /* Now do the post crtc enable for all master and slaves */
- intel_post_crtc_enable_updates(slave_crtc,
- state);
- intel_post_crtc_enable_updates(crtc,
- state);
-}
-
static void icl_dbuf_slice_pre_update(struct intel_atomic_state *state)
{
struct drm_i915_private *dev_priv = to_i915(state->base.dev);
@@ -15365,8 +15276,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
entries[pipe] = new_crtc_state->wm.skl.ddb;
update_pipes &= ~BIT(pipe);
- intel_update_crtc(crtc, state, old_crtc_state,
- new_crtc_state);
+ intel_update_crtc(state, crtc);
/*
* If this is an already active pipe, it's DDB changed,
@@ -15381,67 +15291,62 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
}
}
+ update_pipes = modeset_pipes;
+
/*
* Enable all pipes that needs a modeset and do not depends on other
* pipes
*/
- for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
- new_crtc_state, i) {
+ for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
enum pipe pipe = crtc->pipe;
if ((modeset_pipes & BIT(pipe)) == 0)
continue;
if (intel_dp_mst_is_slave_trans(new_crtc_state) ||
- is_trans_port_sync_slave(new_crtc_state))
+ is_trans_port_sync_master(new_crtc_state))
continue;
- drm_WARN_ON(&dev_priv->drm, skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
- entries, I915_MAX_PIPES, pipe));
-
- entries[pipe] = new_crtc_state->wm.skl.ddb;
modeset_pipes &= ~BIT(pipe);
- if (is_trans_port_sync_mode(new_crtc_state)) {
- struct intel_crtc *slave_crtc;
+ intel_enable_crtc(state, crtc);
+ }
- intel_update_trans_port_sync_crtcs(crtc, state,
- old_crtc_state,
- new_crtc_state);
+ /*
+ * Then we enable all remaining pipes that depend on other
+ * pipes: MST slaves and port sync masters.
+ */
+ for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+ enum pipe pipe = crtc->pipe;
- slave_crtc = intel_get_slave_crtc(new_crtc_state);
- /* TODO: update entries[] of slave */
- modeset_pipes &= ~BIT(slave_crtc->pipe);
+ if ((modeset_pipes & BIT(pipe)) == 0)
+ continue;
- } else {
- intel_update_crtc(crtc, state, old_crtc_state,
- new_crtc_state);
- }
+ modeset_pipes &= ~BIT(pipe);
+
+ intel_enable_crtc(state, crtc);
}
/*
- * Finally enable all pipes that needs a modeset and depends on
- * other pipes, right now it is only MST slaves as both port sync slave
- * and master are enabled together
+ * Finally we do the plane updates/etc. for all pipes that got enabled.
*/
- for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
- new_crtc_state, i) {
+ for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
enum pipe pipe = crtc->pipe;
- if ((modeset_pipes & BIT(pipe)) == 0)
+ if ((update_pipes & BIT(pipe)) == 0)
continue;
drm_WARN_ON(&dev_priv->drm, skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
entries, I915_MAX_PIPES, pipe));
entries[pipe] = new_crtc_state->wm.skl.ddb;
- modeset_pipes &= ~BIT(pipe);
+ update_pipes &= ~BIT(pipe);
- intel_update_crtc(crtc, state, old_crtc_state, new_crtc_state);
+ intel_update_crtc(state, crtc);
}
drm_WARN_ON(&dev_priv->drm, modeset_pipes);
-
+ drm_WARN_ON(&dev_priv->drm, update_pipes);
}
static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv)
@@ -15540,16 +15445,11 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
intel_set_cdclk_pre_plane_update(state);
- /*
- * SKL workaround: bspec recommends we disable the SAGV when we
- * have more then one pipe enabled
- */
- if (!intel_can_enable_sagv(state))
- intel_disable_sagv(dev_priv);
-
intel_modeset_verify_disabled(dev_priv, state);
}
+ intel_sagv_pre_plane_update(state);
+
/* Complete the events for pipes that have now been disabled */
for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
bool modeset = needs_modeset(new_crtc_state);
@@ -15645,8 +15545,7 @@ static void intel_atomic_commit_tail(struct intel_atomic_state *state)
if (state->modeset)
intel_verify_planes(state);
- if (state->modeset && intel_can_enable_sagv(state))
- intel_enable_sagv(dev_priv);
+ intel_sagv_post_plane_update(state);
drm_atomic_helper_commit_hw_done(&state->base);
@@ -15982,7 +15881,7 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
if (new_plane_state->uapi.fence) { /* explicit fencing */
ret = i915_sw_fence_await_dma_fence(&state->commit_ready,
new_plane_state->uapi.fence,
- I915_FENCE_TIMEOUT,
+ i915_fence_timeout(dev_priv),
GFP_KERNEL);
if (ret < 0)
return ret;
@@ -16009,7 +15908,8 @@ intel_prepare_plane_fb(struct drm_plane *_plane,
ret = i915_sw_fence_await_reservation(&state->commit_ready,
obj->base.resv, NULL,
- false, I915_FENCE_TIMEOUT,
+ false,
+ i915_fence_timeout(dev_priv),
GFP_KERNEL);
if (ret < 0)
goto unpin_fb;
@@ -18261,11 +18161,12 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
best_encoder = connector->base.state->best_encoder;
connector->base.state->best_encoder = &encoder->base;
+ /* FIXME NULL atomic state passed! */
if (encoder->disable)
- encoder->disable(encoder, crtc_state,
+ encoder->disable(NULL, encoder, crtc_state,
connector->base.state);
if (encoder->post_disable)
- encoder->post_disable(encoder, crtc_state,
+ encoder->post_disable(NULL, encoder, crtc_state,
connector->base.state);
connector->base.state->best_encoder = best_encoder;
@@ -18802,15 +18703,6 @@ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915)
#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
-static bool
-has_transcoder(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder)
-{
- if (cpu_transcoder == TRANSCODER_EDP)
- return HAS_TRANSCODER_EDP(dev_priv);
- else
- return INTEL_INFO(dev_priv)->pipe_mask & BIT(cpu_transcoder);
-}
-
struct intel_display_error_state {
u32 power_well_driver;
@@ -18919,7 +18811,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv)
for (i = 0; i < ARRAY_SIZE(error->transcoder); i++) {
enum transcoder cpu_transcoder = transcoders[i];
- if (!has_transcoder(dev_priv, cpu_transcoder))
+ if (!HAS_TRANSCODER(dev_priv, cpu_transcoder))
continue;
error->transcoder[i].available = true;
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index adb1225a3480..efb4da205ea2 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -320,9 +320,13 @@ enum phy_fia {
for_each_pipe(__dev_priv, __p) \
for_each_if((__mask) & BIT(__p))
-#define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \
+#define for_each_cpu_transcoder(__dev_priv, __t) \
for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++) \
- for_each_if ((__mask) & (1 << (__t)))
+ for_each_if (INTEL_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t))
+
+#define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \
+ for_each_cpu_transcoder(__dev_priv, __t) \
+ for_each_if ((__mask) & BIT(__t))
#define for_each_universal_plane(__dev_priv, __pipe, __p) \
for ((__p) = 0; \
@@ -579,13 +583,14 @@ void hsw_disable_ips(const struct intel_crtc_state *crtc_state);
enum intel_display_power_domain intel_port_to_power_domain(enum port port);
enum intel_display_power_domain
intel_aux_power_domain(struct intel_digital_port *dig_port);
+enum intel_display_power_domain
+intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
void intel_mode_from_pipe_config(struct drm_display_mode *mode,
struct intel_crtc_state *pipe_config);
void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state);
u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_center);
-int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state);
void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 1e6eb7f2f72d..70525623bcdf 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -9,6 +9,7 @@
#include "i915_debugfs.h"
#include "intel_csr.h"
#include "intel_display_debugfs.h"
+#include "intel_display_power.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_fbc.h"
@@ -631,15 +632,9 @@ static void intel_dp_info(struct seq_file *m,
}
static void intel_dp_mst_info(struct seq_file *m,
- struct intel_connector *intel_connector)
+ struct intel_connector *intel_connector)
{
- struct intel_encoder *intel_encoder = intel_attached_encoder(intel_connector);
- struct intel_dp_mst_encoder *intel_mst =
- enc_to_mst(intel_encoder);
- struct intel_digital_port *intel_dig_port = intel_mst->primary;
- struct intel_dp *intel_dp = &intel_dig_port->dp;
- bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
- intel_connector->port);
+ bool has_audio = intel_connector->port->has_audio;
seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
}
@@ -1149,6 +1144,51 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
return 0;
}
+#define LPSP_STATUS(COND) (COND ? seq_puts(m, "LPSP: enabled\n") : \
+ seq_puts(m, "LPSP: disabled\n"))
+
+static bool
+intel_lpsp_power_well_enabled(struct drm_i915_private *i915,
+ enum i915_power_well_id power_well_id)
+{
+ intel_wakeref_t wakeref;
+ bool is_enabled;
+
+ wakeref = intel_runtime_pm_get(&i915->runtime_pm);
+ is_enabled = intel_display_power_well_is_enabled(i915,
+ power_well_id);
+ intel_runtime_pm_put(&i915->runtime_pm, wakeref);
+
+ return is_enabled;
+}
+
+static int i915_lpsp_status(struct seq_file *m, void *unused)
+{
+ struct drm_i915_private *i915 = node_to_i915(m->private);
+
+ switch (INTEL_GEN(i915)) {
+ case 12:
+ case 11:
+ LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3));
+ break;
+ case 10:
+ case 9:
+ LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2));
+ break;
+ default:
+ /*
+ * Apart from HASWELL/BROADWELL other legacy platform doesn't
+ * support lpsp.
+ */
+ if (IS_HASWELL(i915) || IS_BROADWELL(i915))
+ LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL));
+ else
+ seq_puts(m, "LPSP: not supported\n");
+ }
+
+ return 0;
+}
+
static int i915_dp_mst_info(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -1326,6 +1366,16 @@ static int i915_displayport_test_data_show(struct seq_file *m, void *data)
intel_dp->compliance.test_data.vdisplay);
seq_printf(m, "bpc: %u\n",
intel_dp->compliance.test_data.bpc);
+ } else if (intel_dp->compliance.test_type ==
+ DP_TEST_LINK_PHY_TEST_PATTERN) {
+ seq_printf(m, "pattern: %d\n",
+ intel_dp->compliance.test_data.phytest.phy_pattern);
+ seq_printf(m, "Number of lanes: %d\n",
+ intel_dp->compliance.test_data.phytest.num_lanes);
+ seq_printf(m, "Link Rate: %d\n",
+ intel_dp->compliance.test_data.phytest.link_rate);
+ seq_printf(m, "level: %02x\n",
+ intel_dp->train_set[0]);
}
} else
seq_puts(m, "0");
@@ -1358,7 +1408,7 @@ static int i915_displayport_test_type_show(struct seq_file *m, void *data)
if (encoder && connector->status == connector_status_connected) {
intel_dp = enc_to_intel_dp(encoder);
- seq_printf(m, "%02lx", intel_dp->compliance.test_type);
+ seq_printf(m, "%02lx\n", intel_dp->compliance.test_type);
} else
seq_puts(m, "0");
}
@@ -1906,6 +1956,7 @@ static const struct drm_info_list intel_display_debugfs_list[] = {
{"i915_dp_mst_info", i915_dp_mst_info, 0},
{"i915_ddb_info", i915_ddb_info, 0},
{"i915_drrs_status", i915_drrs_status, 0},
+ {"i915_lpsp_status", i915_lpsp_status, 0},
};
static const struct {
@@ -1927,7 +1978,7 @@ static const struct {
{"i915_edp_psr_debug", &i915_edp_psr_debug_fops},
};
-int intel_display_debugfs_register(struct drm_i915_private *i915)
+void intel_display_debugfs_register(struct drm_i915_private *i915)
{
struct drm_minor *minor = i915->drm.primary;
int i;
@@ -1940,9 +1991,9 @@ int intel_display_debugfs_register(struct drm_i915_private *i915)
intel_display_debugfs_files[i].fops);
}
- return drm_debugfs_create_files(intel_display_debugfs_list,
- ARRAY_SIZE(intel_display_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(intel_display_debugfs_list,
+ ARRAY_SIZE(intel_display_debugfs_list),
+ minor->debugfs_root, minor);
}
static int i915_panel_show(struct seq_file *m, void *data)
@@ -1987,6 +2038,48 @@ static int i915_hdcp_sink_capability_show(struct seq_file *m, void *data)
}
DEFINE_SHOW_ATTRIBUTE(i915_hdcp_sink_capability);
+#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
+ seq_puts(m, "LPSP: incapable\n"))
+
+static int i915_lpsp_capability_show(struct seq_file *m, void *data)
+{
+ struct drm_connector *connector = m->private;
+ struct intel_encoder *encoder =
+ intel_attached_encoder(to_intel_connector(connector));
+ struct drm_i915_private *i915 = to_i915(connector->dev);
+
+ if (connector->status != connector_status_connected)
+ return -ENODEV;
+
+ switch (INTEL_GEN(i915)) {
+ case 12:
+ /*
+ * Actually TGL can drive LPSP on port till DDI_C
+ * but there is no physical connected DDI_C on TGL sku's,
+ * even driver is not initilizing DDI_C port for gen12.
+ */
+ LPSP_CAPABLE(encoder->port <= PORT_B);
+ break;
+ case 11:
+ LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP);
+ break;
+ case 10:
+ case 9:
+ LPSP_CAPABLE(encoder->port == PORT_A &&
+ (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
+ break;
+ default:
+ if (IS_HASWELL(i915) || IS_BROADWELL(i915))
+ LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_eDP);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(i915_lpsp_capability);
+
static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
{
struct drm_connector *connector = m->private;
@@ -2130,5 +2223,16 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
debugfs_create_file("i915_dsc_fec_support", S_IRUGO, root,
connector, &i915_dsc_fec_support_fops);
+ /* Legacy panels doesn't lpsp on any platform */
+ if ((INTEL_GEN(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
+ IS_BROADWELL(dev_priv)) &&
+ (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+ connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+ connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+ connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+ connector->connector_type == DRM_MODE_CONNECTOR_HDMIB))
+ debugfs_create_file("i915_lpsp_capability", 0444, root,
+ connector, &i915_lpsp_capability_fops);
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.h b/drivers/gpu/drm/i915/display/intel_display_debugfs.h
index a3bea1ce04c2..c922c1745bfe 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.h
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.h
@@ -10,10 +10,10 @@ struct drm_connector;
struct drm_i915_private;
#ifdef CONFIG_DEBUG_FS
-int intel_display_debugfs_register(struct drm_i915_private *i915);
+void intel_display_debugfs_register(struct drm_i915_private *i915);
int intel_connector_debugfs_add(struct drm_connector *connector);
#else
-static inline int intel_display_debugfs_register(struct drm_i915_private *i915) { return 0; }
+static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {}
static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; }
#endif
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 246e406bb385..49998906cc61 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -151,6 +151,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
return "GT_IRQ";
case POWER_DOMAIN_DPLL_DC_OFF:
return "DPLL_DC_OFF";
+ case POWER_DOMAIN_TC_COLD_OFF:
+ return "TC_COLD_OFF";
default:
MISSING_CASE(domain);
return "?";
@@ -282,8 +284,51 @@ static void hsw_power_well_pre_disable(struct drm_i915_private *dev_priv,
gen8_irq_power_well_pre_disable(dev_priv, irq_pipe_mask);
}
+#define ICL_AUX_PW_TO_CH(pw_idx) \
+ ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A)
+
+#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \
+ ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C)
+
+static enum aux_ch icl_tc_phy_aux_ch(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ int pw_idx = power_well->desc->hsw.idx;
+
+ return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) :
+ ICL_AUX_PW_TO_CH(pw_idx);
+}
+
+static struct intel_digital_port *
+aux_ch_to_digital_port(struct drm_i915_private *dev_priv,
+ enum aux_ch aux_ch)
+{
+ struct intel_digital_port *dig_port = NULL;
+ struct intel_encoder *encoder;
+
+ for_each_intel_encoder(&dev_priv->drm, encoder) {
+ /* We'll check the MST primary port */
+ if (encoder->type == INTEL_OUTPUT_DP_MST)
+ continue;
+
+ dig_port = enc_to_dig_port(encoder);
+ if (!dig_port)
+ continue;
+
+ if (dig_port->aux_ch != aux_ch) {
+ dig_port = NULL;
+ continue;
+ }
+
+ break;
+ }
+
+ return dig_port;
+}
+
static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv,
- struct i915_power_well *power_well)
+ struct i915_power_well *power_well,
+ bool timeout_expected)
{
const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
int pw_idx = power_well->desc->hsw.idx;
@@ -294,8 +339,8 @@ static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv,
drm_dbg_kms(&dev_priv->drm, "%s power well enable timeout\n",
power_well->desc->name);
- /* An AUX timeout is expected if the TBT DP tunnel is down. */
- drm_WARN_ON(&dev_priv->drm, !power_well->desc->hsw.is_tc_tbt);
+ drm_WARN_ON(&dev_priv->drm, !timeout_expected);
+
}
}
@@ -358,11 +403,11 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
{
const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
int pw_idx = power_well->desc->hsw.idx;
- bool wait_fuses = power_well->desc->hsw.has_fuses;
- enum skl_power_gate uninitialized_var(pg);
u32 val;
- if (wait_fuses) {
+ if (power_well->desc->hsw.has_fuses) {
+ enum skl_power_gate pg;
+
pg = INTEL_GEN(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) :
SKL_PW_CTL_IDX_TO_PG(pw_idx);
/*
@@ -379,19 +424,27 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
val = intel_de_read(dev_priv, regs->driver);
intel_de_write(dev_priv, regs->driver,
val | HSW_PWR_WELL_CTL_REQ(pw_idx));
- hsw_wait_for_power_well_enable(dev_priv, power_well);
+
+ hsw_wait_for_power_well_enable(dev_priv, power_well, false);
/* Display WA #1178: cnl */
if (IS_CANNONLAKE(dev_priv) &&
pw_idx >= GLK_PW_CTL_IDX_AUX_B &&
pw_idx <= CNL_PW_CTL_IDX_AUX_F) {
+ u32 val;
+
val = intel_de_read(dev_priv, CNL_AUX_ANAOVRD1(pw_idx));
val |= CNL_AUX_ANAOVRD1_ENABLE | CNL_AUX_ANAOVRD1_LDO_BYPASS;
intel_de_write(dev_priv, CNL_AUX_ANAOVRD1(pw_idx), val);
}
- if (wait_fuses)
+ if (power_well->desc->hsw.has_fuses) {
+ enum skl_power_gate pg;
+
+ pg = INTEL_GEN(dev_priv) >= 11 ? ICL_PW_CTL_IDX_TO_PG(pw_idx) :
+ SKL_PW_CTL_IDX_TO_PG(pw_idx);
gen9_wait_for_power_well_fuses(dev_priv, pg);
+ }
hsw_power_well_post_enable(dev_priv,
power_well->desc->hsw.irq_pipe_mask,
@@ -437,7 +490,7 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
val | ICL_LANE_ENABLE_AUX);
}
- hsw_wait_for_power_well_enable(dev_priv, power_well);
+ hsw_wait_for_power_well_enable(dev_priv, power_well, false);
/* Display WA #1178: icl */
if (pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B &&
@@ -470,21 +523,6 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
hsw_wait_for_power_well_disable(dev_priv, power_well);
}
-#define ICL_AUX_PW_TO_CH(pw_idx) \
- ((pw_idx) - ICL_PW_CTL_IDX_AUX_A + AUX_CH_A)
-
-#define ICL_TBT_AUX_PW_TO_CH(pw_idx) \
- ((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C)
-
-static enum aux_ch icl_tc_phy_aux_ch(struct drm_i915_private *dev_priv,
- struct i915_power_well *power_well)
-{
- int pw_idx = power_well->desc->hsw.idx;
-
- return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) :
- ICL_AUX_PW_TO_CH(pw_idx);
-}
-
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
static u64 async_put_domains_mask(struct i915_power_domains *power_domains);
@@ -501,51 +539,28 @@ static int power_well_async_ref_count(struct drm_i915_private *dev_priv,
}
static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
- struct i915_power_well *power_well)
+ struct i915_power_well *power_well,
+ struct intel_digital_port *dig_port)
{
- enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
- struct intel_digital_port *dig_port = NULL;
- struct intel_encoder *encoder;
-
/* Bypass the check if all references are released asynchronously */
if (power_well_async_ref_count(dev_priv, power_well) ==
power_well->count)
return;
- aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
-
- for_each_intel_encoder(&dev_priv->drm, encoder) {
- enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
-
- if (!intel_phy_is_tc(dev_priv, phy))
- continue;
-
- /* We'll check the MST primary port */
- if (encoder->type == INTEL_OUTPUT_DP_MST)
- continue;
-
- dig_port = enc_to_dig_port(encoder);
- if (drm_WARN_ON(&dev_priv->drm, !dig_port))
- continue;
-
- if (dig_port->aux_ch != aux_ch) {
- dig_port = NULL;
- continue;
- }
-
- break;
- }
-
if (drm_WARN_ON(&dev_priv->drm, !dig_port))
return;
+ if (INTEL_GEN(dev_priv) == 11 && dig_port->tc_legacy_port)
+ return;
+
drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port));
}
#else
static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
- struct i915_power_well *power_well)
+ struct i915_power_well *power_well,
+ struct intel_digital_port *dig_port)
{
}
@@ -553,24 +568,65 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
#define TGL_AUX_PW_TO_TC_PORT(pw_idx) ((pw_idx) - TGL_PW_CTL_IDX_AUX_TC1)
+static void icl_tc_cold_exit(struct drm_i915_private *i915)
+{
+ int ret, tries = 0;
+
+ while (1) {
+ ret = sandybridge_pcode_write_timeout(i915,
+ ICL_PCODE_EXIT_TCCOLD,
+ 0, 250, 1);
+ if (ret != -EAGAIN || ++tries == 3)
+ break;
+ msleep(1);
+ }
+
+ /* Spec states that TC cold exit can take up to 1ms to complete */
+ if (!ret)
+ msleep(1);
+
+ /* TODO: turn failure into a error as soon i915 CI updates ICL IFWI */
+ drm_dbg_kms(&i915->drm, "TC cold block %s\n", ret ? "failed" :
+ "succeeded");
+}
+
static void
icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
+ struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch);
+ const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+ bool is_tbt = power_well->desc->hsw.is_tc_tbt;
+ bool timeout_expected;
u32 val;
- icl_tc_port_assert_ref_held(dev_priv, power_well);
+ icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port);
val = intel_de_read(dev_priv, DP_AUX_CH_CTL(aux_ch));
val &= ~DP_AUX_CH_CTL_TBT_IO;
- if (power_well->desc->hsw.is_tc_tbt)
+ if (is_tbt)
val |= DP_AUX_CH_CTL_TBT_IO;
intel_de_write(dev_priv, DP_AUX_CH_CTL(aux_ch), val);
- hsw_power_well_enable(dev_priv, power_well);
+ val = intel_de_read(dev_priv, regs->driver);
+ intel_de_write(dev_priv, regs->driver,
+ val | HSW_PWR_WELL_CTL_REQ(power_well->desc->hsw.idx));
- if (INTEL_GEN(dev_priv) >= 12 && !power_well->desc->hsw.is_tc_tbt) {
+ /*
+ * An AUX timeout is expected if the TBT DP tunnel is down,
+ * or need to enable AUX on a legacy TypeC port as part of the TC-cold
+ * exit sequence.
+ */
+ timeout_expected = is_tbt;
+ if (INTEL_GEN(dev_priv) == 11 && dig_port->tc_legacy_port) {
+ icl_tc_cold_exit(dev_priv);
+ timeout_expected = true;
+ }
+
+ hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected);
+
+ if (INTEL_GEN(dev_priv) >= 12 && !is_tbt) {
enum tc_port tc_port;
tc_port = TGL_AUX_PW_TO_TC_PORT(power_well->desc->hsw.idx);
@@ -588,11 +644,48 @@ static void
icl_tc_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
- icl_tc_port_assert_ref_held(dev_priv, power_well);
+ enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
+ struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch);
+
+ icl_tc_port_assert_ref_held(dev_priv, power_well, dig_port);
hsw_power_well_disable(dev_priv, power_well);
}
+static void
+icl_aux_power_well_enable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ int pw_idx = power_well->desc->hsw.idx;
+ enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx); /* non-TBT only */
+ bool is_tbt = power_well->desc->hsw.is_tc_tbt;
+
+ if (is_tbt || intel_phy_is_tc(dev_priv, phy))
+ return icl_tc_phy_aux_power_well_enable(dev_priv, power_well);
+ else if (IS_ICELAKE(dev_priv))
+ return icl_combo_phy_aux_power_well_enable(dev_priv,
+ power_well);
+ else
+ return hsw_power_well_enable(dev_priv, power_well);
+}
+
+static void
+icl_aux_power_well_disable(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ int pw_idx = power_well->desc->hsw.idx;
+ enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx); /* non-TBT only */
+ bool is_tbt = power_well->desc->hsw.is_tc_tbt;
+
+ if (is_tbt || intel_phy_is_tc(dev_priv, phy))
+ return icl_tc_phy_aux_power_well_disable(dev_priv, power_well);
+ else if (IS_ICELAKE(dev_priv))
+ return icl_combo_phy_aux_power_well_disable(dev_priv,
+ power_well);
+ else
+ return hsw_power_well_disable(dev_priv, power_well);
+}
+
/*
* We should only use the power well if we explicitly asked the hardware to
* enable it, so check if it's enabled and also check if we've requested it to
@@ -943,7 +1036,7 @@ static void assert_can_enable_dc5(struct drm_i915_private *dev_priv)
/* Power wells at this level and above must be disabled for DC5 entry */
if (INTEL_GEN(dev_priv) >= 12)
- high_pg = TGL_DISP_PW_3;
+ high_pg = ICL_DISP_PW_3;
else
high_pg = SKL_DISP_PW_2;
@@ -1873,20 +1966,27 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains)
static void print_power_domains(struct i915_power_domains *power_domains,
const char *prefix, u64 mask)
{
+ struct drm_i915_private *i915 = container_of(power_domains,
+ struct drm_i915_private,
+ power_domains);
enum intel_display_power_domain domain;
- DRM_DEBUG_DRIVER("%s (%lu):\n", prefix, hweight64(mask));
+ drm_dbg(&i915->drm, "%s (%lu):\n", prefix, hweight64(mask));
for_each_power_domain(domain, mask)
- DRM_DEBUG_DRIVER("%s use_count %d\n",
- intel_display_power_domain_str(domain),
- power_domains->domain_use_count[domain]);
+ drm_dbg(&i915->drm, "%s use_count %d\n",
+ intel_display_power_domain_str(domain),
+ power_domains->domain_use_count[domain]);
}
static void
print_async_put_domains_state(struct i915_power_domains *power_domains)
{
- DRM_DEBUG_DRIVER("async_put_wakeref %u\n",
- power_domains->async_put_wakeref);
+ struct drm_i915_private *i915 = container_of(power_domains,
+ struct drm_i915_private,
+ power_domains);
+
+ drm_dbg(&i915->drm, "async_put_wakeref %u\n",
+ power_domains->async_put_wakeref);
print_power_domains(power_domains, "async_put_domains[0]",
power_domains->async_put_domains[0]);
@@ -2798,6 +2898,21 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
#define TGL_AUX_I_TBT6_IO_POWER_DOMAINS ( \
BIT_ULL(POWER_DOMAIN_AUX_I_TBT))
+#define TGL_TC_COLD_OFF_POWER_DOMAINS ( \
+ BIT_ULL(POWER_DOMAIN_AUX_D) | \
+ BIT_ULL(POWER_DOMAIN_AUX_E) | \
+ BIT_ULL(POWER_DOMAIN_AUX_F) | \
+ BIT_ULL(POWER_DOMAIN_AUX_G) | \
+ BIT_ULL(POWER_DOMAIN_AUX_H) | \
+ BIT_ULL(POWER_DOMAIN_AUX_I) | \
+ BIT_ULL(POWER_DOMAIN_AUX_D_TBT) | \
+ BIT_ULL(POWER_DOMAIN_AUX_E_TBT) | \
+ BIT_ULL(POWER_DOMAIN_AUX_F_TBT) | \
+ BIT_ULL(POWER_DOMAIN_AUX_G_TBT) | \
+ BIT_ULL(POWER_DOMAIN_AUX_H_TBT) | \
+ BIT_ULL(POWER_DOMAIN_AUX_I_TBT) | \
+ BIT_ULL(POWER_DOMAIN_TC_COLD_OFF))
+
static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
.sync_hw = i9xx_power_well_sync_hw_noop,
.enable = i9xx_always_on_power_well_noop,
@@ -3496,17 +3611,10 @@ static const struct i915_power_well_desc cnl_power_wells[] = {
},
};
-static const struct i915_power_well_ops icl_combo_phy_aux_power_well_ops = {
- .sync_hw = hsw_power_well_sync_hw,
- .enable = icl_combo_phy_aux_power_well_enable,
- .disable = icl_combo_phy_aux_power_well_disable,
- .is_enabled = hsw_power_well_enabled,
-};
-
-static const struct i915_power_well_ops icl_tc_phy_aux_power_well_ops = {
+static const struct i915_power_well_ops icl_aux_power_well_ops = {
.sync_hw = hsw_power_well_sync_hw,
- .enable = icl_tc_phy_aux_power_well_enable,
- .disable = icl_tc_phy_aux_power_well_disable,
+ .enable = icl_aux_power_well_enable,
+ .disable = icl_aux_power_well_disable,
.is_enabled = hsw_power_well_enabled,
};
@@ -3564,7 +3672,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
.name = "power well 3",
.domains = ICL_PW_3_POWER_DOMAINS,
.ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
+ .id = ICL_DISP_PW_3,
{
.hsw.regs = &hsw_power_well_regs,
.hsw.idx = ICL_PW_CTL_IDX_PW_3,
@@ -3636,7 +3744,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX A",
.domains = ICL_AUX_A_IO_POWER_DOMAINS,
- .ops = &icl_combo_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3646,7 +3754,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX B",
.domains = ICL_AUX_B_IO_POWER_DOMAINS,
- .ops = &icl_combo_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3656,7 +3764,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX C TC1",
.domains = ICL_AUX_C_TC1_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3667,7 +3775,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX D TC2",
.domains = ICL_AUX_D_TC2_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3678,7 +3786,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX E TC3",
.domains = ICL_AUX_E_TC3_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3689,7 +3797,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX F TC4",
.domains = ICL_AUX_F_TC4_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3700,7 +3808,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX C TBT1",
.domains = ICL_AUX_C_TBT1_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3711,7 +3819,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX D TBT2",
.domains = ICL_AUX_D_TBT2_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3722,7 +3830,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX E TBT3",
.domains = ICL_AUX_E_TBT3_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3733,7 +3841,7 @@ static const struct i915_power_well_desc icl_power_wells[] = {
{
.name = "AUX F TBT4",
.domains = ICL_AUX_F_TBT4_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -3755,149 +3863,89 @@ static const struct i915_power_well_desc icl_power_wells[] = {
},
};
-static const struct i915_power_well_desc ehl_power_wells[] = {
- {
- .name = "always-on",
- .always_on = true,
- .domains = POWER_DOMAIN_MASK,
- .ops = &i9xx_always_on_power_well_ops,
- .id = DISP_PW_ID_NONE,
- },
- {
- .name = "power well 1",
- /* Handled by the DMC firmware */
- .always_on = true,
- .domains = 0,
- .ops = &hsw_power_well_ops,
- .id = SKL_DISP_PW_1,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_PW_1,
- .hsw.has_fuses = true,
- },
- },
- {
- .name = "DC off",
- .domains = ICL_DISPLAY_DC_OFF_POWER_DOMAINS,
- .ops = &gen9_dc_off_power_well_ops,
- .id = SKL_DISP_DC_OFF,
- },
- {
- .name = "power well 2",
- .domains = ICL_PW_2_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = SKL_DISP_PW_2,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_PW_2,
- .hsw.has_fuses = true,
- },
- },
- {
- .name = "power well 3",
- .domains = ICL_PW_3_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_PW_3,
- .hsw.irq_pipe_mask = BIT(PIPE_B),
- .hsw.has_vga = true,
- .hsw.has_fuses = true,
- },
- },
- {
- .name = "DDI A IO",
- .domains = ICL_DDI_IO_A_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_ddi_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_DDI_A,
- },
- },
- {
- .name = "DDI B IO",
- .domains = ICL_DDI_IO_B_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_ddi_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_DDI_B,
- },
- },
- {
- .name = "DDI C IO",
- .domains = ICL_DDI_IO_C_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_ddi_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_DDI_C,
- },
- },
- {
- .name = "DDI D IO",
- .domains = ICL_DDI_IO_D_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_ddi_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_DDI_D,
- },
- },
- {
- .name = "AUX A",
- .domains = ICL_AUX_A_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_aux_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_AUX_A,
- },
- },
- {
- .name = "AUX B",
- .domains = ICL_AUX_B_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_aux_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_AUX_B,
- },
- },
- {
- .name = "AUX C",
- .domains = ICL_AUX_C_TC1_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_aux_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_AUX_C,
- },
- },
- {
- .name = "AUX D",
- .domains = ICL_AUX_D_TC2_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &icl_aux_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_AUX_D,
- },
- },
- {
- .name = "power well 4",
- .domains = ICL_PW_4_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
- .id = DISP_PW_ID_NONE,
- {
- .hsw.regs = &hsw_power_well_regs,
- .hsw.idx = ICL_PW_CTL_IDX_PW_4,
- .hsw.has_fuses = true,
- .hsw.irq_pipe_mask = BIT(PIPE_C),
- },
- },
+static void
+tgl_tc_cold_request(struct drm_i915_private *i915, bool block)
+{
+ u8 tries = 0;
+ int ret;
+
+ while (1) {
+ u32 low_val = 0, high_val;
+
+ if (block)
+ high_val = TGL_PCODE_EXIT_TCCOLD_DATA_H_BLOCK_REQ;
+ else
+ high_val = TGL_PCODE_EXIT_TCCOLD_DATA_H_UNBLOCK_REQ;
+
+ /*
+ * Spec states that we should timeout the request after 200us
+ * but the function below will timeout after 500us
+ */
+ ret = sandybridge_pcode_read(i915, TGL_PCODE_TCCOLD, &low_val,
+ &high_val);
+ if (ret == 0) {
+ if (block &&
+ (low_val & TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED))
+ ret = -EIO;
+ else
+ break;
+ }
+
+ if (++tries == 3)
+ break;
+
+ if (ret == -EAGAIN)
+ msleep(1);
+ }
+
+ if (ret)
+ drm_err(&i915->drm, "TC cold %sblock failed\n",
+ block ? "" : "un");
+ else
+ drm_dbg_kms(&i915->drm, "TC cold %sblock succeeded\n",
+ block ? "" : "un");
+}
+
+static void
+tgl_tc_cold_off_power_well_enable(struct drm_i915_private *i915,
+ struct i915_power_well *power_well)
+{
+ tgl_tc_cold_request(i915, true);
+}
+
+static void
+tgl_tc_cold_off_power_well_disable(struct drm_i915_private *i915,
+ struct i915_power_well *power_well)
+{
+ tgl_tc_cold_request(i915, false);
+}
+
+static void
+tgl_tc_cold_off_power_well_sync_hw(struct drm_i915_private *i915,
+ struct i915_power_well *power_well)
+{
+ if (power_well->count > 0)
+ tgl_tc_cold_off_power_well_enable(i915, power_well);
+ else
+ tgl_tc_cold_off_power_well_disable(i915, power_well);
+}
+
+static bool
+tgl_tc_cold_off_power_well_is_enabled(struct drm_i915_private *dev_priv,
+ struct i915_power_well *power_well)
+{
+ /*
+ * Not the correctly implementation but there is no way to just read it
+ * from PCODE, so returning count to avoid state mismatch errors
+ */
+ return power_well->count;
+}
+
+static const struct i915_power_well_ops tgl_tc_cold_off_ops = {
+ .sync_hw = tgl_tc_cold_off_power_well_sync_hw,
+ .enable = tgl_tc_cold_off_power_well_enable,
+ .disable = tgl_tc_cold_off_power_well_disable,
+ .is_enabled = tgl_tc_cold_off_power_well_is_enabled,
};
static const struct i915_power_well_desc tgl_power_wells[] = {
@@ -3942,7 +3990,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
.name = "power well 3",
.domains = TGL_PW_3_POWER_DOMAINS,
.ops = &hsw_power_well_ops,
- .id = TGL_DISP_PW_3,
+ .id = ICL_DISP_PW_3,
{
.hsw.regs = &hsw_power_well_regs,
.hsw.idx = ICL_PW_CTL_IDX_PW_3,
@@ -4044,7 +4092,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX A",
.domains = TGL_AUX_A_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4054,7 +4102,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX B",
.domains = TGL_AUX_B_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4064,7 +4112,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX C",
.domains = TGL_AUX_C_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4074,7 +4122,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX D TC1",
.domains = TGL_AUX_D_TC1_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4085,7 +4133,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX E TC2",
.domains = TGL_AUX_E_TC2_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4096,7 +4144,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX F TC3",
.domains = TGL_AUX_F_TC3_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4107,7 +4155,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX G TC4",
.domains = TGL_AUX_G_TC4_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4118,7 +4166,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX H TC5",
.domains = TGL_AUX_H_TC5_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4129,7 +4177,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX I TC6",
.domains = TGL_AUX_I_TC6_IO_POWER_DOMAINS,
- .ops = &icl_tc_phy_aux_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4140,7 +4188,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX D TBT1",
.domains = TGL_AUX_D_TBT1_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4151,7 +4199,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX E TBT2",
.domains = TGL_AUX_E_TBT2_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4162,7 +4210,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX F TBT3",
.domains = TGL_AUX_F_TBT3_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4173,7 +4221,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX G TBT4",
.domains = TGL_AUX_G_TBT4_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4184,7 +4232,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX H TBT5",
.domains = TGL_AUX_H_TBT5_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4195,7 +4243,7 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
{
.name = "AUX I TBT6",
.domains = TGL_AUX_I_TBT6_IO_POWER_DOMAINS,
- .ops = &hsw_power_well_ops,
+ .ops = &icl_aux_power_well_ops,
.id = DISP_PW_ID_NONE,
{
.hsw.regs = &icl_aux_power_well_regs,
@@ -4227,6 +4275,12 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
.hsw.irq_pipe_mask = BIT(PIPE_D),
},
},
+ {
+ .name = "TC cold off",
+ .domains = TGL_TC_COLD_OFF_POWER_DOMAINS,
+ .ops = &tgl_tc_cold_off_ops,
+ .id = DISP_PW_ID_NONE,
+ },
};
static int
@@ -4376,8 +4430,6 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
*/
if (IS_GEN(dev_priv, 12)) {
err = set_power_wells(power_domains, tgl_power_wells);
- } else if (IS_ELKHARTLAKE(dev_priv)) {
- err = set_power_wells(power_domains, ehl_power_wells);
} else if (IS_GEN(dev_priv, 11)) {
err = set_power_wells(power_domains, icl_power_wells);
} else if (IS_CANNONLAKE(dev_priv)) {
@@ -4439,9 +4491,8 @@ static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv)
mutex_unlock(&power_domains->lock);
}
-static inline
-bool intel_dbuf_slice_set(struct drm_i915_private *dev_priv,
- i915_reg_t reg, bool enable)
+static bool intel_dbuf_slice_set(struct drm_i915_private *dev_priv,
+ i915_reg_t reg, bool enable)
{
u32 val, status;
@@ -4480,7 +4531,8 @@ void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
drm_WARN(&dev_priv->drm, hweight8(req_slices) > max_slices,
"Invalid number of dbuf slices requested\n");
- DRM_DEBUG_KMS("Updating dbuf slices to 0x%x\n", req_slices);
+ drm_dbg_kms(&dev_priv->drm, "Updating dbuf slices to 0x%x\n",
+ req_slices);
/*
* Might be running this in parallel to gen9_dc_off_power_well_enable
@@ -5016,7 +5068,7 @@ static void tgl_bw_buddy_init(struct drm_i915_private *dev_priv)
const struct buddy_page_mask *table;
int i;
- if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
+ if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_B0))
/* Wa_1409767108: tgl */
table = wa_1409767108_buddy_page_masks;
else
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index da64a5edae7a..6c917699293b 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -76,6 +76,7 @@ enum intel_display_power_domain {
POWER_DOMAIN_MODESET,
POWER_DOMAIN_GT_IRQ,
POWER_DOMAIN_DPLL_DC_OFF,
+ POWER_DOMAIN_TC_COLD_OFF,
POWER_DOMAIN_INIT,
POWER_DOMAIN_NUM,
@@ -100,7 +101,7 @@ enum i915_power_well_id {
SKL_DISP_PW_MISC_IO,
SKL_DISP_PW_1,
SKL_DISP_PW_2,
- TGL_DISP_PW_3,
+ ICL_DISP_PW_3,
SKL_DISP_DC_OFF,
};
@@ -266,6 +267,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain);
bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
enum intel_display_power_domain domain);
+bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv,
+ enum i915_power_well_id power_well_id);
bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
enum intel_display_power_domain domain);
intel_wakeref_t intel_display_power_get(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 5e00e611f077..2bf3d4cb4ea9 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -132,8 +132,7 @@ struct intel_encoder {
u16 cloneable;
u8 pipe_mask;
enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received);
+ struct intel_connector *connector);
enum intel_output_type (*compute_output_type)(struct intel_encoder *,
struct intel_crtc_state *,
struct drm_connector_state *);
@@ -146,28 +145,35 @@ struct intel_encoder {
void (*update_prepare)(struct intel_atomic_state *,
struct intel_encoder *,
struct intel_crtc *);
- void (*pre_pll_enable)(struct intel_encoder *,
+ void (*pre_pll_enable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
- void (*pre_enable)(struct intel_encoder *,
+ void (*pre_enable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
- void (*enable)(struct intel_encoder *,
+ void (*enable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
void (*update_complete)(struct intel_atomic_state *,
struct intel_encoder *,
struct intel_crtc *);
- void (*disable)(struct intel_encoder *,
+ void (*disable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
- void (*post_disable)(struct intel_encoder *,
+ void (*post_disable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
- void (*post_pll_disable)(struct intel_encoder *,
+ void (*post_pll_disable)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
- void (*update_pipe)(struct intel_encoder *,
+ void (*update_pipe)(struct intel_atomic_state *,
+ struct intel_encoder *,
const struct intel_crtc_state *,
const struct drm_connector_state *);
/* Read out the current hw state of this connector, returning true if
@@ -425,11 +431,14 @@ struct intel_connector {
struct edid *edid;
struct edid *detect_edid;
+ /* Number of times hotplug detection was tried after an HPD interrupt */
+ int hotplug_retries;
+
/* since POLL and HPD connectors may use the same HPD line keep the native
state of connector->polled in case hotplug storm detection changes it */
u8 polled;
- void *port; /* store this opaque as its illegal to dereference it */
+ struct drm_dp_mst_port *port;
struct intel_dp *mst_port;
@@ -640,6 +649,16 @@ struct intel_crtc_scaler_state {
#define I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP (1<<1)
/* Flag to use the scanline counter instead of the pixel counter */
#define I915_MODE_FLAG_USE_SCANLINE_COUNTER (1<<2)
+/*
+ * TE0 or TE1 flag is set if the crtc has a DSI encoder which
+ * is operating in command mode.
+ * Flag to use TE from DSI0 instead of VBI in command mode
+ */
+#define I915_MODE_FLAG_DSI_USE_TE0 (1<<3)
+/* Flag to use TE from DSI1 instead of VBI in command mode */
+#define I915_MODE_FLAG_DSI_USE_TE1 (1<<4)
+/* Flag to indicate mipi dsi periodic command mode where we do not get TE */
+#define I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE (1<<5)
struct intel_wm_level {
bool enable;
@@ -669,11 +688,13 @@ struct skl_plane_wm {
struct skl_wm_level wm[8];
struct skl_wm_level uv_wm[8];
struct skl_wm_level trans_wm;
+ struct skl_wm_level sagv_wm0;
bool is_planar;
};
struct skl_pipe_wm {
struct skl_plane_wm planes[I915_MAX_PLANES];
+ bool use_sagv_wm;
};
enum vlv_wm_level {
@@ -955,8 +976,7 @@ struct intel_crtc_state {
/* Panel fitter placement and size for Ironlake+ */
struct {
- u32 pos;
- u32 size;
+ struct drm_rect dst;
bool enabled;
bool force_thru;
} pch_pfit;
@@ -1015,6 +1035,7 @@ struct intel_crtc_state {
union hdmi_infoframe spd;
union hdmi_infoframe hdmi;
union hdmi_infoframe drm;
+ struct drm_dp_vsc_sdp vsc;
} infoframes;
/* HDMI scrambling status */
@@ -1238,6 +1259,7 @@ struct intel_dp_compliance_data {
u8 video_pattern;
u16 hdisplay, vdisplay;
u8 bpc;
+ struct drm_dp_phy_test_params phytest;
};
struct intel_dp_compliance {
@@ -1347,6 +1369,9 @@ struct intel_dp {
/* This is called before a link training is starterd */
void (*prepare_link_retrain)(struct intel_dp *intel_dp);
+ void (*set_link_train)(struct intel_dp *intel_dp, u8 dp_train_pat);
+ void (*set_idle_link_train)(struct intel_dp *intel_dp);
+ void (*set_signal_levels)(struct intel_dp *intel_dp);
/* Displayport compliance testing */
struct intel_dp_compliance compliance;
@@ -1401,6 +1426,7 @@ struct intel_digital_port {
const struct drm_connector_state *conn_state);
u32 (*infoframes_enabled)(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config);
+ bool (*connected)(struct intel_encoder *encoder);
};
struct intel_dp_mst_encoder {
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 804b1d966f66..40d42dcff0b7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -48,7 +48,6 @@
#include "intel_audio.h"
#include "intel_connector.h"
#include "intel_ddi.h"
-#include "intel_display_debugfs.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_dp_link_training.h"
@@ -164,6 +163,17 @@ static void intel_dp_set_sink_rates(struct intel_dp *intel_dp)
};
int i, max_rate;
+ if (drm_dp_has_quirk(&intel_dp->desc, 0,
+ DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS)) {
+ /* Needed, e.g., for Apple MBP 2017, 15 inch eDP Retina panel */
+ static const int quirk_rates[] = { 162000, 270000, 324000 };
+
+ memcpy(intel_dp->sink_rates, quirk_rates, sizeof(quirk_rates));
+ intel_dp->num_sink_rates = ARRAY_SIZE(quirk_rates);
+
+ return;
+ }
+
max_rate = drm_dp_bw_code_to_link_rate(intel_dp->dpcd[DP_MAX_LINK_RATE]);
for (i = 0; i < ARRAY_SIZE(dp_rates); i++) {
@@ -452,6 +462,7 @@ static bool intel_dp_can_link_train_fallback_for_edp(struct intel_dp *intel_dp,
int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
int link_rate, u8 lane_count)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int index;
index = intel_dp_rate_index(intel_dp->common_rates,
@@ -462,7 +473,8 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
!intel_dp_can_link_train_fallback_for_edp(intel_dp,
intel_dp->common_rates[index - 1],
lane_count)) {
- DRM_DEBUG_KMS("Retrying Link training for eDP with same parameters\n");
+ drm_dbg_kms(&i915->drm,
+ "Retrying Link training for eDP with same parameters\n");
return 0;
}
intel_dp->max_link_rate = intel_dp->common_rates[index - 1];
@@ -472,13 +484,14 @@ int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp,
!intel_dp_can_link_train_fallback_for_edp(intel_dp,
intel_dp_max_common_rate(intel_dp),
lane_count >> 1)) {
- DRM_DEBUG_KMS("Retrying Link training for eDP with same parameters\n");
+ drm_dbg_kms(&i915->drm,
+ "Retrying Link training for eDP with same parameters\n");
return 0;
}
intel_dp->max_link_rate = intel_dp_max_common_rate(intel_dp);
intel_dp->max_link_lane_count = lane_count >> 1;
} else {
- DRM_ERROR("Link Training Unsuccessful\n");
+ drm_err(&i915->drm, "Link Training Unsuccessful\n");
return -1;
}
@@ -553,6 +566,7 @@ static u16 intel_dp_dsc_get_output_bpp(struct drm_i915_private *i915,
static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
int mode_clock, int mode_hdisplay)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 min_slice_count, i;
int max_slice_width;
@@ -565,8 +579,9 @@ static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
max_slice_width = drm_dp_dsc_sink_max_slice_width(intel_dp->dsc_dpcd);
if (max_slice_width < DP_DSC_MIN_SLICE_WIDTH_VALUE) {
- DRM_DEBUG_KMS("Unsupported slice width %d by DP DSC Sink device\n",
- max_slice_width);
+ drm_dbg_kms(&i915->drm,
+ "Unsupported slice width %d by DP DSC Sink device\n",
+ max_slice_width);
return 0;
}
/* Also take into account max slice width */
@@ -584,7 +599,8 @@ static u8 intel_dp_dsc_get_slice_count(struct intel_dp *intel_dp,
return valid_dsc_slicecount[i];
}
- DRM_DEBUG_KMS("Unsupported Slice Count %d\n", min_slice_count);
+ drm_dbg_kms(&i915->drm, "Unsupported Slice Count %d\n",
+ min_slice_count);
return 0;
}
@@ -1343,8 +1359,7 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
bool is_tc_port = intel_phy_is_tc(i915, phy);
i915_reg_t ch_ctl, ch_data[5];
u32 aux_clock_divider;
- enum intel_display_power_domain aux_domain =
- intel_aux_power_domain(intel_dig_port);
+ enum intel_display_power_domain aux_domain;
intel_wakeref_t aux_wakeref;
intel_wakeref_t pps_wakeref;
int i, ret, recv_bytes;
@@ -1359,6 +1374,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
if (is_tc_port)
intel_tc_port_lock(intel_dig_port);
+ aux_domain = intel_aux_power_domain(intel_dig_port);
+
aux_wakeref = intel_display_power_get(i915, aux_domain);
pps_wakeref = pps_lock(intel_dp);
@@ -1832,6 +1849,7 @@ static void snprintf_int_array(char *str, size_t len,
static void intel_dp_print_rates(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
char str[128]; /* FIXME: too big for stack? */
if (!drm_debug_enabled(DRM_UT_KMS))
@@ -1839,15 +1857,15 @@ static void intel_dp_print_rates(struct intel_dp *intel_dp)
snprintf_int_array(str, sizeof(str),
intel_dp->source_rates, intel_dp->num_source_rates);
- DRM_DEBUG_KMS("source rates: %s\n", str);
+ drm_dbg_kms(&i915->drm, "source rates: %s\n", str);
snprintf_int_array(str, sizeof(str),
intel_dp->sink_rates, intel_dp->num_sink_rates);
- DRM_DEBUG_KMS("sink rates: %s\n", str);
+ drm_dbg_kms(&i915->drm, "sink rates: %s\n", str);
snprintf_int_array(str, sizeof(str),
intel_dp->common_rates, intel_dp->num_common_rates);
- DRM_DEBUG_KMS("common rates: %s\n", str);
+ drm_dbg_kms(&i915->drm, "common rates: %s\n", str);
}
int
@@ -1954,6 +1972,8 @@ intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
struct intel_crtc_state *pipe_config,
struct link_config_limits *limits)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
/* For DP Compliance we override the computed bpp for the pipe */
if (intel_dp->compliance.test_data.bpc != 0) {
int bpp = 3 * intel_dp->compliance.test_data.bpc;
@@ -1961,7 +1981,7 @@ intel_dp_adjust_compliance_config(struct intel_dp *intel_dp,
limits->min_bpp = limits->max_bpp = bpp;
pipe_config->dither_force_disable = bpp == 6 * 3;
- DRM_DEBUG_KMS("Setting pipe_bpp to %d\n", bpp);
+ drm_dbg_kms(&i915->drm, "Setting pipe_bpp to %d\n", bpp);
}
/* Use values requested by Compliance Test Request */
@@ -2055,6 +2075,7 @@ static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc)
static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
u8 line_buf_depth;
@@ -2089,7 +2110,8 @@ static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
line_buf_depth = drm_dp_dsc_sink_line_buf_depth(intel_dp->dsc_dpcd);
if (!line_buf_depth) {
- DRM_DEBUG_KMS("DSC Sink Line Buffer Depth invalid\n");
+ drm_dbg_kms(&i915->drm,
+ "DSC Sink Line Buffer Depth invalid\n");
return -EINVAL;
}
@@ -2114,7 +2136,8 @@ static int intel_dp_dsc_compute_config(struct intel_dp *intel_dp,
{
struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ const struct drm_display_mode *adjusted_mode =
+ &pipe_config->hw.adjusted_mode;
u8 dsc_max_bpc;
int pipe_bpp;
int ret;
@@ -2229,7 +2252,9 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
{
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ const struct drm_display_mode *adjusted_mode =
+ &pipe_config->hw.adjusted_mode;
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct link_config_limits limits;
int common_len;
@@ -2264,11 +2289,11 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
intel_dp_adjust_compliance_config(intel_dp, pipe_config, &limits);
- DRM_DEBUG_KMS("DP link computation with max lane count %i "
- "max rate %d max bpp %d pixel clock %iKHz\n",
- limits.max_lane_count,
- intel_dp->common_rates[limits.max_clock],
- limits.max_bpp, adjusted_mode->crtc_clock);
+ drm_dbg_kms(&i915->drm, "DP link computation with max lane count %i "
+ "max rate %d max bpp %d pixel clock %iKHz\n",
+ limits.max_lane_count,
+ intel_dp->common_rates[limits.max_clock],
+ limits.max_bpp, adjusted_mode->crtc_clock);
/*
* Optimize for slow and wide. This is the place to add alternative
@@ -2277,7 +2302,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
ret = intel_dp_compute_link_config_wide(intel_dp, pipe_config, &limits);
/* enable compression if the mode doesn't fit available BW */
- DRM_DEBUG_KMS("Force DSC en = %d\n", intel_dp->force_dsc_en);
+ drm_dbg_kms(&i915->drm, "Force DSC en = %d\n", intel_dp->force_dsc_en);
if (ret || intel_dp->force_dsc_en) {
ret = intel_dp_dsc_compute_config(intel_dp, pipe_config,
conn_state, &limits);
@@ -2286,40 +2311,42 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
}
if (pipe_config->dsc.compression_enable) {
- DRM_DEBUG_KMS("DP lane count %d clock %d Input bpp %d Compressed bpp %d\n",
- pipe_config->lane_count, pipe_config->port_clock,
- pipe_config->pipe_bpp,
- pipe_config->dsc.compressed_bpp);
-
- DRM_DEBUG_KMS("DP link rate required %i available %i\n",
- intel_dp_link_required(adjusted_mode->crtc_clock,
- pipe_config->dsc.compressed_bpp),
- intel_dp_max_data_rate(pipe_config->port_clock,
- pipe_config->lane_count));
+ drm_dbg_kms(&i915->drm,
+ "DP lane count %d clock %d Input bpp %d Compressed bpp %d\n",
+ pipe_config->lane_count, pipe_config->port_clock,
+ pipe_config->pipe_bpp,
+ pipe_config->dsc.compressed_bpp);
+
+ drm_dbg_kms(&i915->drm,
+ "DP link rate required %i available %i\n",
+ intel_dp_link_required(adjusted_mode->crtc_clock,
+ pipe_config->dsc.compressed_bpp),
+ intel_dp_max_data_rate(pipe_config->port_clock,
+ pipe_config->lane_count));
} else {
- DRM_DEBUG_KMS("DP lane count %d clock %d bpp %d\n",
- pipe_config->lane_count, pipe_config->port_clock,
- pipe_config->pipe_bpp);
+ drm_dbg_kms(&i915->drm, "DP lane count %d clock %d bpp %d\n",
+ pipe_config->lane_count, pipe_config->port_clock,
+ pipe_config->pipe_bpp);
- DRM_DEBUG_KMS("DP link rate required %i available %i\n",
- intel_dp_link_required(adjusted_mode->crtc_clock,
- pipe_config->pipe_bpp),
- intel_dp_max_data_rate(pipe_config->port_clock,
- pipe_config->lane_count));
+ drm_dbg_kms(&i915->drm,
+ "DP link rate required %i available %i\n",
+ intel_dp_link_required(adjusted_mode->crtc_clock,
+ pipe_config->pipe_bpp),
+ intel_dp_max_data_rate(pipe_config->port_clock,
+ pipe_config->lane_count));
}
return 0;
}
static int
intel_dp_ycbcr420_config(struct intel_dp *intel_dp,
- struct drm_connector *connector,
- struct intel_crtc_state *crtc_state)
+ struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
+ struct drm_connector *connector = conn_state->connector;
const struct drm_display_info *info = &connector->display_info;
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
- struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
- int ret;
if (!drm_mode_is_420_only(info, adjusted_mode) ||
!intel_dp_get_colorimetry_status(intel_dp) ||
@@ -2328,16 +2355,7 @@ intel_dp_ycbcr420_config(struct intel_dp *intel_dp,
crtc_state->output_format = INTEL_OUTPUT_FORMAT_YCBCR420;
- /* YCBCR 420 output conversion needs a scaler */
- ret = skl_update_scaler_crtc(crtc_state);
- if (ret) {
- DRM_DEBUG_KMS("Scaler allocation for output failed\n");
- return ret;
- }
-
- intel_pch_panel_fitting(crtc, crtc_state, DRM_MODE_SCALE_FULLSCREEN);
-
- return 0;
+ return intel_pch_panel_fitting(crtc_state, conn_state);
}
bool intel_dp_limited_color_range(const struct intel_crtc_state *crtc_state,
@@ -2384,6 +2402,164 @@ static bool intel_dp_port_has_audio(struct drm_i915_private *dev_priv,
return true;
}
+static void intel_dp_compute_vsc_colorimetry(const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state,
+ struct drm_dp_vsc_sdp *vsc)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+
+ /*
+ * Prepare VSC Header for SU as per DP 1.4 spec, Table 2-118
+ * VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/
+ * Colorimetry Format indication.
+ */
+ vsc->revision = 0x5;
+ vsc->length = 0x13;
+
+ /* DP 1.4a spec, Table 2-120 */
+ switch (crtc_state->output_format) {
+ case INTEL_OUTPUT_FORMAT_YCBCR444:
+ vsc->pixelformat = DP_PIXELFORMAT_YUV444;
+ break;
+ case INTEL_OUTPUT_FORMAT_YCBCR420:
+ vsc->pixelformat = DP_PIXELFORMAT_YUV420;
+ break;
+ case INTEL_OUTPUT_FORMAT_RGB:
+ default:
+ vsc->pixelformat = DP_PIXELFORMAT_RGB;
+ }
+
+ switch (conn_state->colorspace) {
+ case DRM_MODE_COLORIMETRY_BT709_YCC:
+ vsc->colorimetry = DP_COLORIMETRY_BT709_YCC;
+ break;
+ case DRM_MODE_COLORIMETRY_XVYCC_601:
+ vsc->colorimetry = DP_COLORIMETRY_XVYCC_601;
+ break;
+ case DRM_MODE_COLORIMETRY_XVYCC_709:
+ vsc->colorimetry = DP_COLORIMETRY_XVYCC_709;
+ break;
+ case DRM_MODE_COLORIMETRY_SYCC_601:
+ vsc->colorimetry = DP_COLORIMETRY_SYCC_601;
+ break;
+ case DRM_MODE_COLORIMETRY_OPYCC_601:
+ vsc->colorimetry = DP_COLORIMETRY_OPYCC_601;
+ break;
+ case DRM_MODE_COLORIMETRY_BT2020_CYCC:
+ vsc->colorimetry = DP_COLORIMETRY_BT2020_CYCC;
+ break;
+ case DRM_MODE_COLORIMETRY_BT2020_RGB:
+ vsc->colorimetry = DP_COLORIMETRY_BT2020_RGB;
+ break;
+ case DRM_MODE_COLORIMETRY_BT2020_YCC:
+ vsc->colorimetry = DP_COLORIMETRY_BT2020_YCC;
+ break;
+ case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
+ case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
+ vsc->colorimetry = DP_COLORIMETRY_DCI_P3_RGB;
+ break;
+ default:
+ /*
+ * RGB->YCBCR color conversion uses the BT.709
+ * color space.
+ */
+ if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
+ vsc->colorimetry = DP_COLORIMETRY_BT709_YCC;
+ else
+ vsc->colorimetry = DP_COLORIMETRY_DEFAULT;
+ break;
+ }
+
+ vsc->bpc = crtc_state->pipe_bpp / 3;
+
+ /* only RGB pixelformat supports 6 bpc */
+ drm_WARN_ON(&dev_priv->drm,
+ vsc->bpc == 6 && vsc->pixelformat != DP_PIXELFORMAT_RGB);
+
+ /* all YCbCr are always limited range */
+ vsc->dynamic_range = DP_DYNAMIC_RANGE_CTA;
+ vsc->content_type = DP_CONTENT_TYPE_NOT_DEFINED;
+}
+
+static void intel_dp_compute_vsc_sdp(struct intel_dp *intel_dp,
+ struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
+{
+ struct drm_dp_vsc_sdp *vsc = &crtc_state->infoframes.vsc;
+
+ /* When a crtc state has PSR, VSC SDP will be handled by PSR routine */
+ if (crtc_state->has_psr)
+ return;
+
+ if (!intel_dp_needs_vsc_sdp(crtc_state, conn_state))
+ return;
+
+ crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
+ vsc->sdp_type = DP_SDP_VSC;
+ intel_dp_compute_vsc_colorimetry(crtc_state, conn_state,
+ &crtc_state->infoframes.vsc);
+}
+
+void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state,
+ struct drm_dp_vsc_sdp *vsc)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+
+ vsc->sdp_type = DP_SDP_VSC;
+
+ if (dev_priv->psr.psr2_enabled) {
+ if (dev_priv->psr.colorimetry_support &&
+ intel_dp_needs_vsc_sdp(crtc_state, conn_state)) {
+ /* [PSR2, +Colorimetry] */
+ intel_dp_compute_vsc_colorimetry(crtc_state, conn_state,
+ vsc);
+ } else {
+ /*
+ * [PSR2, -Colorimetry]
+ * Prepare VSC Header for SU as per eDP 1.4 spec, Table 6-11
+ * 3D stereo + PSR/PSR2 + Y-coordinate.
+ */
+ vsc->revision = 0x4;
+ vsc->length = 0xe;
+ }
+ } else {
+ /*
+ * [PSR1]
+ * Prepare VSC Header for SU as per DP 1.4 spec, Table 2-118
+ * VSC SDP supporting 3D stereo + PSR (applies to eDP v1.3 or
+ * higher).
+ */
+ vsc->revision = 0x2;
+ vsc->length = 0x8;
+ }
+}
+
+static void
+intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
+ struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
+{
+ int ret;
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ struct hdmi_drm_infoframe *drm_infoframe = &crtc_state->infoframes.drm.drm;
+
+ if (!conn_state->hdr_output_metadata)
+ return;
+
+ ret = drm_hdmi_infoframe_set_hdr_metadata(drm_infoframe, conn_state);
+
+ if (ret) {
+ drm_dbg_kms(&dev_priv->drm, "couldn't set HDR metadata in infoframe\n");
+ return;
+ }
+
+ crtc_state->infoframes.enable |=
+ intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA);
+}
+
int
intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
@@ -2394,7 +2570,6 @@ intel_dp_compute_config(struct intel_encoder *encoder,
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
enum port port = encoder->port;
- struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
struct intel_connector *intel_connector = intel_dp->attached_connector;
struct intel_digital_connector_state *intel_conn_state =
to_intel_digital_connector_state(conn_state);
@@ -2410,9 +2585,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
if (lspcon->active)
lspcon_ycbcr420_config(&intel_connector->base, pipe_config);
else
- ret = intel_dp_ycbcr420_config(intel_dp, &intel_connector->base,
- pipe_config);
-
+ ret = intel_dp_ycbcr420_config(intel_dp, pipe_config,
+ conn_state);
if (ret)
return ret;
@@ -2428,18 +2602,12 @@ intel_dp_compute_config(struct intel_encoder *encoder,
intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
adjusted_mode);
- if (INTEL_GEN(dev_priv) >= 9) {
- ret = skl_update_scaler_crtc(pipe_config);
- if (ret)
- return ret;
- }
-
if (HAS_GMCH(dev_priv))
- intel_gmch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_gmch_panel_fitting(pipe_config, conn_state);
else
- intel_pch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_pch_panel_fitting(pipe_config, conn_state);
+ if (ret)
+ return ret;
}
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -2489,6 +2657,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
intel_dp_set_clock(encoder, pipe_config);
intel_psr_compute_config(intel_dp, pipe_config);
+ intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);
+ intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state);
return 0;
}
@@ -2517,9 +2687,6 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
intel_crtc_has_type(pipe_config,
INTEL_OUTPUT_DP_MST));
- intel_dp->regs.dp_tp_ctl = DP_TP_CTL(port);
- intel_dp->regs.dp_tp_status = DP_TP_STATUS(port);
-
/*
* There are four kinds of DP registers:
*
@@ -2633,22 +2800,27 @@ static void wait_panel_status(struct intel_dp *intel_dp,
static void wait_panel_on(struct intel_dp *intel_dp)
{
- DRM_DEBUG_KMS("Wait for panel power on\n");
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ drm_dbg_kms(&i915->drm, "Wait for panel power on\n");
wait_panel_status(intel_dp, IDLE_ON_MASK, IDLE_ON_VALUE);
}
static void wait_panel_off(struct intel_dp *intel_dp)
{
- DRM_DEBUG_KMS("Wait for panel power off time\n");
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
+ drm_dbg_kms(&i915->drm, "Wait for panel power off time\n");
wait_panel_status(intel_dp, IDLE_OFF_MASK, IDLE_OFF_VALUE);
}
static void wait_panel_power_cycle(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
ktime_t panel_power_on_time;
s64 panel_power_off_duration;
- DRM_DEBUG_KMS("Wait for panel power cycle\n");
+ drm_dbg_kms(&i915->drm, "Wait for panel power cycle\n");
/* take the difference of currrent time and panel power off time
* and then make panel wait for t11_t12 if needed. */
@@ -3012,11 +3184,12 @@ void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(conn_state->best_encoder));
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
if (!intel_dp_is_edp(intel_dp))
return;
- DRM_DEBUG_KMS("\n");
+ drm_dbg_kms(&i915->drm, "\n");
intel_panel_enable_backlight(crtc_state, conn_state);
_intel_edp_backlight_on(intel_dp);
@@ -3050,11 +3223,12 @@ static void _intel_edp_backlight_off(struct intel_dp *intel_dp)
void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state)
{
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder));
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
if (!intel_dp_is_edp(intel_dp))
return;
- DRM_DEBUG_KMS("\n");
+ drm_dbg_kms(&i915->drm, "\n");
_intel_edp_backlight_off(intel_dp);
intel_panel_disable_backlight(old_conn_state);
@@ -3067,6 +3241,7 @@ void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state)
static void intel_edp_backlight_power(struct intel_connector *connector,
bool enable)
{
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_dp *intel_dp = intel_attached_dp(connector);
intel_wakeref_t wakeref;
bool is_enabled;
@@ -3077,8 +3252,8 @@ static void intel_edp_backlight_power(struct intel_connector *connector,
if (is_enabled == enable)
return;
- DRM_DEBUG_KMS("panel power control backlight %s\n",
- enable ? "enable" : "disable");
+ drm_dbg_kms(&i915->drm, "panel power control backlight %s\n",
+ enable ? "enable" : "disable");
if (enable)
_intel_edp_backlight_on(intel_dp);
@@ -3188,6 +3363,7 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
bool enable)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int ret;
if (!crtc_state->dsc.compression_enable)
@@ -3196,13 +3372,15 @@ void intel_dp_sink_set_decompression_state(struct intel_dp *intel_dp,
ret = drm_dp_dpcd_writeb(&intel_dp->aux, DP_DSC_ENABLE,
enable ? DP_DECOMPRESSION_EN : 0);
if (ret < 0)
- DRM_DEBUG_KMS("Failed to %s sink decompression state\n",
- enable ? "enable" : "disable");
+ drm_dbg_kms(&i915->drm,
+ "Failed to %s sink decompression state\n",
+ enable ? "enable" : "disable");
}
/* If the sink supports it, try to set the power state appropriately */
void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int ret, i;
/* Should have a valid DPCD by this point */
@@ -3235,8 +3413,8 @@ void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode)
}
if (ret != 1)
- DRM_DEBUG_KMS("failed to %s sink power state\n",
- mode == DRM_MODE_DPMS_ON ? "enable" : "disable");
+ drm_dbg_kms(&i915->drm, "failed to %s sink power state\n",
+ mode == DRM_MODE_DPMS_ON ? "enable" : "disable");
}
static bool cpt_dp_port_selected(struct drm_i915_private *dev_priv,
@@ -3393,7 +3571,8 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
}
}
-static void intel_disable_dp(struct intel_encoder *encoder,
+static void intel_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3413,21 +3592,24 @@ static void intel_disable_dp(struct intel_encoder *encoder,
intel_edp_panel_off(intel_dp);
}
-static void g4x_disable_dp(struct intel_encoder *encoder,
+static void g4x_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_dp(encoder, old_crtc_state, old_conn_state);
+ intel_disable_dp(state, encoder, old_crtc_state, old_conn_state);
}
-static void vlv_disable_dp(struct intel_encoder *encoder,
+static void vlv_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_dp(encoder, old_crtc_state, old_conn_state);
+ intel_disable_dp(state, encoder, old_crtc_state, old_conn_state);
}
-static void g4x_post_disable_dp(struct intel_encoder *encoder,
+static void g4x_post_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3447,14 +3629,16 @@ static void g4x_post_disable_dp(struct intel_encoder *encoder,
ilk_edp_pll_off(intel_dp, old_crtc_state);
}
-static void vlv_post_disable_dp(struct intel_encoder *encoder,
+static void vlv_post_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
intel_dp_link_down(encoder, old_crtc_state);
}
-static void chv_post_disable_dp(struct intel_encoder *encoder,
+static void chv_post_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3471,90 +3655,63 @@ static void chv_post_disable_dp(struct intel_encoder *encoder,
}
static void
-_intel_dp_set_link_train(struct intel_dp *intel_dp,
- u32 *DP,
- u8 dp_train_pat)
+cpt_set_link_train(struct intel_dp *intel_dp,
+ u8 dp_train_pat)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- enum port port = intel_dig_port->base.port;
- u8 train_pat_mask = drm_dp_training_pattern_mask(intel_dp->dpcd);
-
- if (dp_train_pat & train_pat_mask)
- drm_dbg_kms(&dev_priv->drm,
- "Using DP training pattern TPS%d\n",
- dp_train_pat & train_pat_mask);
-
- if (HAS_DDI(dev_priv)) {
- u32 temp = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl);
-
- if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE)
- temp |= DP_TP_CTL_SCRAMBLE_DISABLE;
- else
- temp &= ~DP_TP_CTL_SCRAMBLE_DISABLE;
+ u32 *DP = &intel_dp->DP;
- temp &= ~DP_TP_CTL_LINK_TRAIN_MASK;
- switch (dp_train_pat & train_pat_mask) {
- case DP_TRAINING_PATTERN_DISABLE:
- temp |= DP_TP_CTL_LINK_TRAIN_NORMAL;
+ *DP &= ~DP_LINK_TRAIN_MASK_CPT;
- break;
- case DP_TRAINING_PATTERN_1:
- temp |= DP_TP_CTL_LINK_TRAIN_PAT1;
- break;
- case DP_TRAINING_PATTERN_2:
- temp |= DP_TP_CTL_LINK_TRAIN_PAT2;
- break;
- case DP_TRAINING_PATTERN_3:
- temp |= DP_TP_CTL_LINK_TRAIN_PAT3;
- break;
- case DP_TRAINING_PATTERN_4:
- temp |= DP_TP_CTL_LINK_TRAIN_PAT4;
- break;
- }
- intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, temp);
+ switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
+ case DP_TRAINING_PATTERN_DISABLE:
+ *DP |= DP_LINK_TRAIN_OFF_CPT;
+ break;
+ case DP_TRAINING_PATTERN_1:
+ *DP |= DP_LINK_TRAIN_PAT_1_CPT;
+ break;
+ case DP_TRAINING_PATTERN_2:
+ *DP |= DP_LINK_TRAIN_PAT_2_CPT;
+ break;
+ case DP_TRAINING_PATTERN_3:
+ drm_dbg_kms(&dev_priv->drm,
+ "TPS3 not supported, using TPS2 instead\n");
+ *DP |= DP_LINK_TRAIN_PAT_2_CPT;
+ break;
+ }
- } else if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) ||
- (HAS_PCH_CPT(dev_priv) && port != PORT_A)) {
- *DP &= ~DP_LINK_TRAIN_MASK_CPT;
+ intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
+ intel_de_posting_read(dev_priv, intel_dp->output_reg);
+}
- switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
- case DP_TRAINING_PATTERN_DISABLE:
- *DP |= DP_LINK_TRAIN_OFF_CPT;
- break;
- case DP_TRAINING_PATTERN_1:
- *DP |= DP_LINK_TRAIN_PAT_1_CPT;
- break;
- case DP_TRAINING_PATTERN_2:
- *DP |= DP_LINK_TRAIN_PAT_2_CPT;
- break;
- case DP_TRAINING_PATTERN_3:
- drm_dbg_kms(&dev_priv->drm,
- "TPS3 not supported, using TPS2 instead\n");
- *DP |= DP_LINK_TRAIN_PAT_2_CPT;
- break;
- }
+static void
+g4x_set_link_train(struct intel_dp *intel_dp,
+ u8 dp_train_pat)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u32 *DP = &intel_dp->DP;
- } else {
- *DP &= ~DP_LINK_TRAIN_MASK;
+ *DP &= ~DP_LINK_TRAIN_MASK;
- switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
- case DP_TRAINING_PATTERN_DISABLE:
- *DP |= DP_LINK_TRAIN_OFF;
- break;
- case DP_TRAINING_PATTERN_1:
- *DP |= DP_LINK_TRAIN_PAT_1;
- break;
- case DP_TRAINING_PATTERN_2:
- *DP |= DP_LINK_TRAIN_PAT_2;
- break;
- case DP_TRAINING_PATTERN_3:
- drm_dbg_kms(&dev_priv->drm,
- "TPS3 not supported, using TPS2 instead\n");
- *DP |= DP_LINK_TRAIN_PAT_2;
- break;
- }
+ switch (dp_train_pat & DP_TRAINING_PATTERN_MASK) {
+ case DP_TRAINING_PATTERN_DISABLE:
+ *DP |= DP_LINK_TRAIN_OFF;
+ break;
+ case DP_TRAINING_PATTERN_1:
+ *DP |= DP_LINK_TRAIN_PAT_1;
+ break;
+ case DP_TRAINING_PATTERN_2:
+ *DP |= DP_LINK_TRAIN_PAT_2;
+ break;
+ case DP_TRAINING_PATTERN_3:
+ drm_dbg_kms(&dev_priv->drm,
+ "TPS3 not supported, using TPS2 instead\n");
+ *DP |= DP_LINK_TRAIN_PAT_2;
+ break;
}
+
+ intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
+ intel_de_posting_read(dev_priv, intel_dp->output_reg);
}
static void intel_dp_enable_port(struct intel_dp *intel_dp,
@@ -3580,7 +3737,8 @@ static void intel_dp_enable_port(struct intel_dp *intel_dp,
intel_de_posting_read(dev_priv, intel_dp->output_reg);
}
-static void intel_enable_dp(struct intel_encoder *encoder,
+static void intel_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -3626,22 +3784,25 @@ static void intel_enable_dp(struct intel_encoder *encoder,
}
}
-static void g4x_enable_dp(struct intel_encoder *encoder,
+static void g4x_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
- intel_enable_dp(encoder, pipe_config, conn_state);
+ intel_enable_dp(state, encoder, pipe_config, conn_state);
intel_edp_backlight_on(pipe_config, conn_state);
}
-static void vlv_enable_dp(struct intel_encoder *encoder,
+static void vlv_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
intel_edp_backlight_on(pipe_config, conn_state);
}
-static void g4x_pre_enable_dp(struct intel_encoder *encoder,
+static void g4x_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -3761,16 +3922,18 @@ static void vlv_init_panel_power_sequencer(struct intel_encoder *encoder,
intel_dp_init_panel_power_sequencer_registers(intel_dp, true);
}
-static void vlv_pre_enable_dp(struct intel_encoder *encoder,
+static void vlv_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
vlv_phy_pre_encoder_enable(encoder, pipe_config);
- intel_enable_dp(encoder, pipe_config, conn_state);
+ intel_enable_dp(state, encoder, pipe_config, conn_state);
}
-static void vlv_dp_pre_pll_enable(struct intel_encoder *encoder,
+static void vlv_dp_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -3779,19 +3942,21 @@ static void vlv_dp_pre_pll_enable(struct intel_encoder *encoder,
vlv_phy_pre_pll_enable(encoder, pipe_config);
}
-static void chv_pre_enable_dp(struct intel_encoder *encoder,
+static void chv_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
chv_phy_pre_encoder_enable(encoder, pipe_config);
- intel_enable_dp(encoder, pipe_config, conn_state);
+ intel_enable_dp(state, encoder, pipe_config, conn_state);
/* Second common lane will stay alive on its own now */
chv_phy_release_cl2_override(encoder);
}
-static void chv_dp_pre_pll_enable(struct intel_encoder *encoder,
+static void chv_dp_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -3800,7 +3965,8 @@ static void chv_dp_pre_pll_enable(struct intel_encoder *encoder,
chv_phy_pre_pll_enable(encoder, pipe_config);
}
-static void chv_dp_post_pll_disable(struct intel_encoder *encoder,
+static void chv_dp_post_pll_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -3884,7 +4050,7 @@ intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, u8 voltage_swing)
}
}
-static u32 vlv_signal_levels(struct intel_dp *intel_dp)
+static void vlv_set_signal_levels(struct intel_dp *intel_dp)
{
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
unsigned long demph_reg_value, preemph_reg_value,
@@ -3912,7 +4078,7 @@ static u32 vlv_signal_levels(struct intel_dp *intel_dp)
uniqtranscale_reg_value = 0x5598DA3A;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_1:
@@ -3931,7 +4097,7 @@ static u32 vlv_signal_levels(struct intel_dp *intel_dp)
uniqtranscale_reg_value = 0x55ADDA3A;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_2:
@@ -3946,7 +4112,7 @@ static u32 vlv_signal_levels(struct intel_dp *intel_dp)
uniqtranscale_reg_value = 0x55ADDA3A;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_3:
@@ -3957,20 +4123,18 @@ static u32 vlv_signal_levels(struct intel_dp *intel_dp)
uniqtranscale_reg_value = 0x55ADDA3A;
break;
default:
- return 0;
+ return;
}
break;
default:
- return 0;
+ return;
}
vlv_set_phy_signal_level(encoder, demph_reg_value, preemph_reg_value,
uniqtranscale_reg_value, 0);
-
- return 0;
}
-static u32 chv_signal_levels(struct intel_dp *intel_dp)
+static void chv_set_signal_levels(struct intel_dp *intel_dp)
{
struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
u32 deemph_reg_value, margin_reg_value;
@@ -3998,7 +4162,7 @@ static u32 chv_signal_levels(struct intel_dp *intel_dp)
uniq_trans_scale = true;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_1:
@@ -4016,7 +4180,7 @@ static u32 chv_signal_levels(struct intel_dp *intel_dp)
margin_reg_value = 154;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_2:
@@ -4030,7 +4194,7 @@ static u32 chv_signal_levels(struct intel_dp *intel_dp)
margin_reg_value = 154;
break;
default:
- return 0;
+ return;
}
break;
case DP_TRAIN_PRE_EMPH_LEVEL_3:
@@ -4040,21 +4204,18 @@ static u32 chv_signal_levels(struct intel_dp *intel_dp)
margin_reg_value = 154;
break;
default:
- return 0;
+ return;
}
break;
default:
- return 0;
+ return;
}
chv_set_phy_signal_level(encoder, deemph_reg_value,
margin_reg_value, uniq_trans_scale);
-
- return 0;
}
-static u32
-g4x_signal_levels(u8 train_set)
+static u32 g4x_signal_levels(u8 train_set)
{
u32 signal_levels = 0;
@@ -4091,12 +4252,31 @@ g4x_signal_levels(u8 train_set)
return signal_levels;
}
+static void
+g4x_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u8 train_set = intel_dp->train_set[0];
+ u32 signal_levels;
+
+ signal_levels = g4x_signal_levels(train_set);
+
+ drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n",
+ signal_levels);
+
+ intel_dp->DP &= ~(DP_VOLTAGE_MASK | DP_PRE_EMPHASIS_MASK);
+ intel_dp->DP |= signal_levels;
+
+ intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
+ intel_de_posting_read(dev_priv, intel_dp->output_reg);
+}
+
/* SNB CPU eDP voltage swing and pre-emphasis control */
-static u32
-snb_cpu_edp_signal_levels(u8 train_set)
+static u32 snb_cpu_edp_signal_levels(u8 train_set)
{
- int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
- DP_TRAIN_PRE_EMPHASIS_MASK);
+ u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+ DP_TRAIN_PRE_EMPHASIS_MASK);
+
switch (signal_levels) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0 | DP_TRAIN_PRE_EMPH_LEVEL_0:
case DP_TRAIN_VOLTAGE_SWING_LEVEL_1 | DP_TRAIN_PRE_EMPH_LEVEL_0:
@@ -4119,12 +4299,31 @@ snb_cpu_edp_signal_levels(u8 train_set)
}
}
+static void
+snb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u8 train_set = intel_dp->train_set[0];
+ u32 signal_levels;
+
+ signal_levels = snb_cpu_edp_signal_levels(train_set);
+
+ drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n",
+ signal_levels);
+
+ intel_dp->DP &= ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB;
+ intel_dp->DP |= signal_levels;
+
+ intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
+ intel_de_posting_read(dev_priv, intel_dp->output_reg);
+}
+
/* IVB CPU eDP voltage swing and pre-emphasis control */
-static u32
-ivb_cpu_edp_signal_levels(u8 train_set)
+static u32 ivb_cpu_edp_signal_levels(u8 train_set)
{
- int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
- DP_TRAIN_PRE_EMPHASIS_MASK);
+ u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK |
+ DP_TRAIN_PRE_EMPHASIS_MASK);
+
switch (signal_levels) {
case DP_TRAIN_VOLTAGE_SWING_LEVEL_0 | DP_TRAIN_PRE_EMPH_LEVEL_0:
return EDP_LINK_TRAIN_400MV_0DB_IVB;
@@ -4150,38 +4349,29 @@ ivb_cpu_edp_signal_levels(u8 train_set)
}
}
-void
-intel_dp_set_signal_levels(struct intel_dp *intel_dp)
+static void
+ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- enum port port = intel_dig_port->base.port;
- u32 signal_levels, mask = 0;
u8 train_set = intel_dp->train_set[0];
+ u32 signal_levels;
- if (IS_GEN9_LP(dev_priv) || INTEL_GEN(dev_priv) >= 10) {
- signal_levels = bxt_signal_levels(intel_dp);
- } else if (HAS_DDI(dev_priv)) {
- signal_levels = ddi_signal_levels(intel_dp);
- mask = DDI_BUF_EMP_MASK;
- } else if (IS_CHERRYVIEW(dev_priv)) {
- signal_levels = chv_signal_levels(intel_dp);
- } else if (IS_VALLEYVIEW(dev_priv)) {
- signal_levels = vlv_signal_levels(intel_dp);
- } else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A) {
- signal_levels = ivb_cpu_edp_signal_levels(train_set);
- mask = EDP_LINK_TRAIN_VOL_EMP_MASK_IVB;
- } else if (IS_GEN(dev_priv, 6) && port == PORT_A) {
- signal_levels = snb_cpu_edp_signal_levels(train_set);
- mask = EDP_LINK_TRAIN_VOL_EMP_MASK_SNB;
- } else {
- signal_levels = g4x_signal_levels(train_set);
- mask = DP_VOLTAGE_MASK | DP_PRE_EMPHASIS_MASK;
- }
+ signal_levels = ivb_cpu_edp_signal_levels(train_set);
+
+ drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n",
+ signal_levels);
- if (mask)
- drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n",
- signal_levels);
+ intel_dp->DP &= ~EDP_LINK_TRAIN_VOL_EMP_MASK_IVB;
+ intel_dp->DP |= signal_levels;
+
+ intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
+ intel_de_posting_read(dev_priv, intel_dp->output_reg);
+}
+
+void intel_dp_set_signal_levels(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u8 train_set = intel_dp->train_set[0];
drm_dbg_kms(&dev_priv->drm, "Using vswing level %d%s\n",
train_set & DP_TRAIN_VOLTAGE_SWING_MASK,
@@ -4192,55 +4382,28 @@ intel_dp_set_signal_levels(struct intel_dp *intel_dp)
train_set & DP_TRAIN_MAX_PRE_EMPHASIS_REACHED ?
" (max)" : "");
- intel_dp->DP = (intel_dp->DP & ~mask) | signal_levels;
-
- intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
- intel_de_posting_read(dev_priv, intel_dp->output_reg);
+ intel_dp->set_signal_levels(intel_dp);
}
void
intel_dp_program_link_training_pattern(struct intel_dp *intel_dp,
u8 dp_train_pat)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv =
- to_i915(intel_dig_port->base.base.dev);
+ struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+ u8 train_pat_mask = drm_dp_training_pattern_mask(intel_dp->dpcd);
- _intel_dp_set_link_train(intel_dp, &intel_dp->DP, dp_train_pat);
+ if (dp_train_pat & train_pat_mask)
+ drm_dbg_kms(&dev_priv->drm,
+ "Using DP training pattern TPS%d\n",
+ dp_train_pat & train_pat_mask);
- intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
- intel_de_posting_read(dev_priv, intel_dp->output_reg);
+ intel_dp->set_link_train(intel_dp, dp_train_pat);
}
void intel_dp_set_idle_link_train(struct intel_dp *intel_dp)
{
- struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- enum port port = intel_dig_port->base.port;
- u32 val;
-
- if (!HAS_DDI(dev_priv))
- return;
-
- val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl);
- val &= ~DP_TP_CTL_LINK_TRAIN_MASK;
- val |= DP_TP_CTL_LINK_TRAIN_IDLE;
- intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val);
-
- /*
- * Until TGL on PORT_A we can have only eDP in SST mode. There the only
- * reason we need to set idle transmission mode is to work around a HW
- * issue where we enable the pipe while not in idle link-training mode.
- * In this case there is requirement to wait for a minimum number of
- * idle patterns to be sent.
- */
- if (port == PORT_A && INTEL_GEN(dev_priv) < 12)
- return;
-
- if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
- DP_TP_STATUS_IDLE_DONE, 1))
- drm_err(&dev_priv->drm,
- "Timed out waiting for DP idle patterns\n");
+ if (intel_dp->set_idle_link_train)
+ intel_dp->set_idle_link_train(intel_dp);
}
static void
@@ -4319,6 +4482,7 @@ intel_dp_link_down(struct intel_encoder *encoder,
static void
intel_dp_extended_receiver_capabilities(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 dpcd_ext[6];
/*
@@ -4334,20 +4498,22 @@ intel_dp_extended_receiver_capabilities(struct intel_dp *intel_dp)
if (drm_dp_dpcd_read(&intel_dp->aux, DP_DP13_DPCD_REV,
&dpcd_ext, sizeof(dpcd_ext)) != sizeof(dpcd_ext)) {
- DRM_ERROR("DPCD failed read at extended capabilities\n");
+ drm_err(&i915->drm,
+ "DPCD failed read at extended capabilities\n");
return;
}
if (intel_dp->dpcd[DP_DPCD_REV] > dpcd_ext[DP_DPCD_REV]) {
- DRM_DEBUG_KMS("DPCD extended DPCD rev less than base DPCD rev\n");
+ drm_dbg_kms(&i915->drm,
+ "DPCD extended DPCD rev less than base DPCD rev\n");
return;
}
if (!memcmp(intel_dp->dpcd, dpcd_ext, sizeof(dpcd_ext)))
return;
- DRM_DEBUG_KMS("Base DPCD: %*ph\n",
- (int)sizeof(intel_dp->dpcd), intel_dp->dpcd);
+ drm_dbg_kms(&i915->drm, "Base DPCD: %*ph\n",
+ (int)sizeof(intel_dp->dpcd), intel_dp->dpcd);
memcpy(intel_dp->dpcd, dpcd_ext, sizeof(dpcd_ext));
}
@@ -4355,13 +4521,16 @@ intel_dp_extended_receiver_capabilities(struct intel_dp *intel_dp)
bool
intel_dp_read_dpcd(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
if (drm_dp_dpcd_read(&intel_dp->aux, 0x000, intel_dp->dpcd,
sizeof(intel_dp->dpcd)) < 0)
return false; /* aux transfer failed */
intel_dp_extended_receiver_capabilities(intel_dp);
- DRM_DEBUG_KMS("DPCD: %*ph\n", (int) sizeof(intel_dp->dpcd), intel_dp->dpcd);
+ drm_dbg_kms(&i915->drm, "DPCD: %*ph\n", (int)sizeof(intel_dp->dpcd),
+ intel_dp->dpcd);
return intel_dp->dpcd[DP_DPCD_REV] != 0;
}
@@ -4378,6 +4547,8 @@ bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp)
static void intel_dp_get_dsc_sink_cap(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+
/*
* Clear the cached register set to avoid using stale values
* for the sinks that do not support DSC.
@@ -4393,20 +4564,23 @@ static void intel_dp_get_dsc_sink_cap(struct intel_dp *intel_dp)
if (drm_dp_dpcd_read(&intel_dp->aux, DP_DSC_SUPPORT,
intel_dp->dsc_dpcd,
sizeof(intel_dp->dsc_dpcd)) < 0)
- DRM_ERROR("Failed to read DPCD register 0x%x\n",
- DP_DSC_SUPPORT);
+ drm_err(&i915->drm,
+ "Failed to read DPCD register 0x%x\n",
+ DP_DSC_SUPPORT);
- DRM_DEBUG_KMS("DSC DPCD: %*ph\n",
- (int)sizeof(intel_dp->dsc_dpcd),
- intel_dp->dsc_dpcd);
+ drm_dbg_kms(&i915->drm, "DSC DPCD: %*ph\n",
+ (int)sizeof(intel_dp->dsc_dpcd),
+ intel_dp->dsc_dpcd);
/* FEC is supported only on DP 1.4 */
if (!intel_dp_is_edp(intel_dp) &&
drm_dp_dpcd_readb(&intel_dp->aux, DP_FEC_CAPABILITY,
&intel_dp->fec_capable) < 0)
- DRM_ERROR("Failed to read FEC DPCD register\n");
+ drm_err(&i915->drm,
+ "Failed to read FEC DPCD register\n");
- DRM_DEBUG_KMS("FEC CAPABILITY: %x\n", intel_dp->fec_capable);
+ drm_dbg_kms(&i915->drm, "FEC CAPABILITY: %x\n",
+ intel_dp->fec_capable);
}
}
@@ -4580,14 +4754,16 @@ intel_dp_can_mst(struct intel_dp *intel_dp)
static void
intel_dp_configure_mst(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_encoder *encoder =
&dp_to_dig_port(intel_dp)->base;
bool sink_can_mst = intel_dp_sink_can_mst(intel_dp);
- DRM_DEBUG_KMS("[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s\n",
- encoder->base.base.id, encoder->base.name,
- yesno(intel_dp->can_mst), yesno(sink_can_mst),
- yesno(i915_modparams.enable_dp_mst));
+ drm_dbg_kms(&i915->drm,
+ "[ENCODER:%d:%s] MST support: port: %s, sink: %s, modparam: %s\n",
+ encoder->base.base.id, encoder->base.name,
+ yesno(intel_dp->can_mst), yesno(sink_can_mst),
+ yesno(i915_modparams.enable_dp_mst));
if (!intel_dp->can_mst)
return;
@@ -4633,158 +4809,92 @@ intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
return false;
}
-static void
-intel_dp_setup_vsc_sdp(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+static ssize_t intel_dp_vsc_sdp_pack(const struct drm_dp_vsc_sdp *vsc,
+ struct dp_sdp *sdp, size_t size)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct dp_sdp vsc_sdp = {};
+ size_t length = sizeof(struct dp_sdp);
+
+ if (size < length)
+ return -ENOSPC;
- /* Prepare VSC Header for SU as per DP 1.4a spec, Table 2-119 */
- vsc_sdp.sdp_header.HB0 = 0;
- vsc_sdp.sdp_header.HB1 = 0x7;
+ memset(sdp, 0, size);
/*
- * VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/
- * Colorimetry Format indication.
+ * Prepare VSC Header for SU as per DP 1.4a spec, Table 2-119
+ * VSC SDP Header Bytes
*/
- vsc_sdp.sdp_header.HB2 = 0x5;
+ sdp->sdp_header.HB0 = 0; /* Secondary-Data Packet ID = 0 */
+ sdp->sdp_header.HB1 = vsc->sdp_type; /* Secondary-data Packet Type */
+ sdp->sdp_header.HB2 = vsc->revision; /* Revision Number */
+ sdp->sdp_header.HB3 = vsc->length; /* Number of Valid Data Bytes */
/*
- * VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/
- * Colorimetry Format indication (HB2 = 05h).
+ * Only revision 0x5 supports Pixel Encoding/Colorimetry Format as
+ * per DP 1.4a spec.
*/
- vsc_sdp.sdp_header.HB3 = 0x13;
-
- /* DP 1.4a spec, Table 2-120 */
- switch (crtc_state->output_format) {
- case INTEL_OUTPUT_FORMAT_YCBCR444:
- vsc_sdp.db[16] = 0x1 << 4; /* YCbCr 444 : DB16[7:4] = 1h */
- break;
- case INTEL_OUTPUT_FORMAT_YCBCR420:
- vsc_sdp.db[16] = 0x3 << 4; /* YCbCr 420 : DB16[7:4] = 3h */
- break;
- case INTEL_OUTPUT_FORMAT_RGB:
- default:
- /* RGB: DB16[7:4] = 0h */
- break;
- }
+ if (vsc->revision != 0x5)
+ goto out;
- switch (conn_state->colorspace) {
- case DRM_MODE_COLORIMETRY_BT709_YCC:
- vsc_sdp.db[16] |= 0x1;
- break;
- case DRM_MODE_COLORIMETRY_XVYCC_601:
- vsc_sdp.db[16] |= 0x2;
- break;
- case DRM_MODE_COLORIMETRY_XVYCC_709:
- vsc_sdp.db[16] |= 0x3;
- break;
- case DRM_MODE_COLORIMETRY_SYCC_601:
- vsc_sdp.db[16] |= 0x4;
- break;
- case DRM_MODE_COLORIMETRY_OPYCC_601:
- vsc_sdp.db[16] |= 0x5;
- break;
- case DRM_MODE_COLORIMETRY_BT2020_CYCC:
- case DRM_MODE_COLORIMETRY_BT2020_RGB:
- vsc_sdp.db[16] |= 0x6;
- break;
- case DRM_MODE_COLORIMETRY_BT2020_YCC:
- vsc_sdp.db[16] |= 0x7;
- break;
- case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65:
- case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER:
- vsc_sdp.db[16] |= 0x4; /* DCI-P3 (SMPTE RP 431-2) */
- break;
- default:
- /* sRGB (IEC 61966-2-1) / ITU-R BT.601: DB16[0:3] = 0h */
+ /* VSC SDP Payload for DB16 through DB18 */
+ /* Pixel Encoding and Colorimetry Formats */
+ sdp->db[16] = (vsc->pixelformat & 0xf) << 4; /* DB16[7:4] */
+ sdp->db[16] |= vsc->colorimetry & 0xf; /* DB16[3:0] */
- /* RGB->YCBCR color conversion uses the BT.709 color space. */
- if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420)
- vsc_sdp.db[16] |= 0x1; /* 0x1, ITU-R BT.709 */
+ switch (vsc->bpc) {
+ case 6:
+ /* 6bpc: 0x0 */
break;
- }
-
- /*
- * For pixel encoding formats YCbCr444, YCbCr422, YCbCr420, and Y Only,
- * the following Component Bit Depth values are defined:
- * 001b = 8bpc.
- * 010b = 10bpc.
- * 011b = 12bpc.
- * 100b = 16bpc.
- */
- switch (crtc_state->pipe_bpp) {
- case 24: /* 8bpc */
- vsc_sdp.db[17] = 0x1;
+ case 8:
+ sdp->db[17] = 0x1; /* DB17[3:0] */
break;
- case 30: /* 10bpc */
- vsc_sdp.db[17] = 0x2;
+ case 10:
+ sdp->db[17] = 0x2;
break;
- case 36: /* 12bpc */
- vsc_sdp.db[17] = 0x3;
+ case 12:
+ sdp->db[17] = 0x3;
break;
- case 48: /* 16bpc */
- vsc_sdp.db[17] = 0x4;
+ case 16:
+ sdp->db[17] = 0x4;
break;
default:
- MISSING_CASE(crtc_state->pipe_bpp);
+ MISSING_CASE(vsc->bpc);
break;
}
+ /* Dynamic Range and Component Bit Depth */
+ if (vsc->dynamic_range == DP_DYNAMIC_RANGE_CTA)
+ sdp->db[17] |= 0x80; /* DB17[7] */
- /*
- * Dynamic Range (Bit 7)
- * 0 = VESA range, 1 = CTA range.
- * all YCbCr are always limited range
- */
- vsc_sdp.db[17] |= 0x80;
+ /* Content Type */
+ sdp->db[18] = vsc->content_type & 0x7;
- /*
- * Content Type (Bits 2:0)
- * 000b = Not defined.
- * 001b = Graphics.
- * 010b = Photo.
- * 011b = Video.
- * 100b = Game
- * All other values are RESERVED.
- * Note: See CTA-861-G for the definition and expected
- * processing by a stream sink for the above contect types.
- */
- vsc_sdp.db[18] = 0;
-
- intel_dig_port->write_infoframe(&intel_dig_port->base,
- crtc_state, DP_SDP_VSC, &vsc_sdp, sizeof(vsc_sdp));
+out:
+ return length;
}
-static void
-intel_dp_setup_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+static ssize_t
+intel_dp_hdr_metadata_infoframe_sdp_pack(const struct hdmi_drm_infoframe *drm_infoframe,
+ struct dp_sdp *sdp,
+ size_t size)
{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct dp_sdp infoframe_sdp = {};
- struct hdmi_drm_infoframe drm_infoframe = {};
+ size_t length = sizeof(struct dp_sdp);
const int infoframe_size = HDMI_INFOFRAME_HEADER_SIZE + HDMI_DRM_INFOFRAME_SIZE;
unsigned char buf[HDMI_INFOFRAME_HEADER_SIZE + HDMI_DRM_INFOFRAME_SIZE];
ssize_t len;
- int ret;
- ret = drm_hdmi_infoframe_set_hdr_metadata(&drm_infoframe, conn_state);
- if (ret) {
- DRM_DEBUG_KMS("couldn't set HDR metadata in infoframe\n");
- return;
- }
+ if (size < length)
+ return -ENOSPC;
- len = hdmi_drm_infoframe_pack_only(&drm_infoframe, buf, sizeof(buf));
+ memset(sdp, 0, size);
+
+ len = hdmi_drm_infoframe_pack_only(drm_infoframe, buf, sizeof(buf));
if (len < 0) {
DRM_DEBUG_KMS("buffer size is smaller than hdr metadata infoframe\n");
- return;
+ return -ENOSPC;
}
if (len != infoframe_size) {
DRM_DEBUG_KMS("wrong static hdr metadata size\n");
- return;
+ return -ENOSPC;
}
/*
@@ -4793,34 +4903,37 @@ intel_dp_setup_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
* Table 2-100 and Table 2-101
*/
- /* Packet ID, 00h for non-Audio INFOFRAME */
- infoframe_sdp.sdp_header.HB0 = 0;
+ /* Secondary-Data Packet ID, 00h for non-Audio INFOFRAME */
+ sdp->sdp_header.HB0 = 0;
/*
* Packet Type 80h + Non-audio INFOFRAME Type value
- * HDMI_INFOFRAME_TYPE_DRM: 0x87,
+ * HDMI_INFOFRAME_TYPE_DRM: 0x87
+ * - 80h + Non-audio INFOFRAME Type value
+ * - InfoFrame Type: 0x07
+ * [CTA-861-G Table-42 Dynamic Range and Mastering InfoFrame]
*/
- infoframe_sdp.sdp_header.HB1 = drm_infoframe.type;
+ sdp->sdp_header.HB1 = drm_infoframe->type;
/*
* Least Significant Eight Bits of (Data Byte Count – 1)
- * infoframe_size - 1,
+ * infoframe_size - 1
*/
- infoframe_sdp.sdp_header.HB2 = 0x1D;
+ sdp->sdp_header.HB2 = 0x1D;
/* INFOFRAME SDP Version Number */
- infoframe_sdp.sdp_header.HB3 = (0x13 << 2);
+ sdp->sdp_header.HB3 = (0x13 << 2);
/* CTA Header Byte 2 (INFOFRAME Version Number) */
- infoframe_sdp.db[0] = drm_infoframe.version;
+ sdp->db[0] = drm_infoframe->version;
/* CTA Header Byte 3 (Length of INFOFRAME): HDMI_DRM_INFOFRAME_SIZE */
- infoframe_sdp.db[1] = drm_infoframe.length;
+ sdp->db[1] = drm_infoframe->length;
/*
* Copy HDMI_DRM_INFOFRAME_SIZE size from a buffer after
* HDMI_INFOFRAME_HEADER_SIZE
*/
- BUILD_BUG_ON(sizeof(infoframe_sdp.db) < HDMI_DRM_INFOFRAME_SIZE + 2);
- memcpy(&infoframe_sdp.db[2], &buf[HDMI_INFOFRAME_HEADER_SIZE],
+ BUILD_BUG_ON(sizeof(sdp->db) < HDMI_DRM_INFOFRAME_SIZE + 2);
+ memcpy(&sdp->db[2], &buf[HDMI_INFOFRAME_HEADER_SIZE],
HDMI_DRM_INFOFRAME_SIZE);
/*
- * Size of DP infoframe sdp packet for HDR static metadata is consist of
+ * Size of DP infoframe sdp packet for HDR static metadata consists of
* - DP SDP Header(struct dp_sdp_header): 4 bytes
* - Two Data Blocks: 2 bytes
* CTA Header Byte2 (INFOFRAME Version Number)
@@ -4831,36 +4944,286 @@ intel_dp_setup_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
* infoframe size. But GEN11+ has larger than that size, write_infoframe
* will pad rest of the size.
*/
- intel_dig_port->write_infoframe(&intel_dig_port->base, crtc_state,
- HDMI_PACKET_TYPE_GAMUT_METADATA,
- &infoframe_sdp,
- sizeof(struct dp_sdp_header) + 2 + HDMI_DRM_INFOFRAME_SIZE);
+ return sizeof(struct dp_sdp_header) + 2 + HDMI_DRM_INFOFRAME_SIZE;
}
-void intel_dp_vsc_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+static void intel_write_dp_sdp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ unsigned int type)
{
- if (!intel_dp_needs_vsc_sdp(crtc_state, conn_state))
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct dp_sdp sdp = {};
+ ssize_t len;
+
+ if ((crtc_state->infoframes.enable &
+ intel_hdmi_infoframe_enable(type)) == 0)
+ return;
+
+ switch (type) {
+ case DP_SDP_VSC:
+ len = intel_dp_vsc_sdp_pack(&crtc_state->infoframes.vsc, &sdp,
+ sizeof(sdp));
+ break;
+ case HDMI_PACKET_TYPE_GAMUT_METADATA:
+ len = intel_dp_hdr_metadata_infoframe_sdp_pack(&crtc_state->infoframes.drm.drm,
+ &sdp, sizeof(sdp));
+ break;
+ default:
+ MISSING_CASE(type);
+ return;
+ }
+
+ if (drm_WARN_ON(&dev_priv->drm, len < 0))
return;
- intel_dp_setup_vsc_sdp(intel_dp, crtc_state, conn_state);
+ intel_dig_port->write_infoframe(encoder, crtc_state, type, &sdp, len);
}
-void intel_dp_hdr_metadata_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state)
+void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ struct drm_dp_vsc_sdp *vsc)
{
- if (!conn_state->hdr_output_metadata)
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct dp_sdp sdp = {};
+ ssize_t len;
+
+ len = intel_dp_vsc_sdp_pack(vsc, &sdp, sizeof(sdp));
+
+ if (drm_WARN_ON(&dev_priv->drm, len < 0))
return;
- intel_dp_setup_hdr_metadata_infoframe_sdp(intel_dp,
- crtc_state,
- conn_state);
+ intel_dig_port->write_infoframe(encoder, crtc_state, DP_SDP_VSC,
+ &sdp, len);
+}
+
+void intel_dp_set_infoframes(struct intel_encoder *encoder,
+ bool enable,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
+{
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ i915_reg_t reg = HSW_TVIDEO_DIP_CTL(crtc_state->cpu_transcoder);
+ u32 dip_enable = VIDEO_DIP_ENABLE_AVI_HSW | VIDEO_DIP_ENABLE_GCP_HSW |
+ VIDEO_DIP_ENABLE_VS_HSW | VIDEO_DIP_ENABLE_GMP_HSW |
+ VIDEO_DIP_ENABLE_SPD_HSW | VIDEO_DIP_ENABLE_DRM_GLK;
+ u32 val = intel_de_read(dev_priv, reg);
+
+ /* TODO: Add DSC case (DIP_ENABLE_PPS) */
+ /* When PSR is enabled, this routine doesn't disable VSC DIP */
+ if (intel_psr_enabled(intel_dp))
+ val &= ~dip_enable;
+ else
+ val &= ~(dip_enable | VIDEO_DIP_ENABLE_VSC_HSW);
+
+ if (!enable) {
+ intel_de_write(dev_priv, reg, val);
+ intel_de_posting_read(dev_priv, reg);
+ return;
+ }
+
+ intel_de_write(dev_priv, reg, val);
+ intel_de_posting_read(dev_priv, reg);
+
+ /* When PSR is enabled, VSC SDP is handled by PSR routine */
+ if (!intel_psr_enabled(intel_dp))
+ intel_write_dp_sdp(encoder, crtc_state, DP_SDP_VSC);
+
+ intel_write_dp_sdp(encoder, crtc_state, HDMI_PACKET_TYPE_GAMUT_METADATA);
+}
+
+static int intel_dp_vsc_sdp_unpack(struct drm_dp_vsc_sdp *vsc,
+ const void *buffer, size_t size)
+{
+ const struct dp_sdp *sdp = buffer;
+
+ if (size < sizeof(struct dp_sdp))
+ return -EINVAL;
+
+ memset(vsc, 0, size);
+
+ if (sdp->sdp_header.HB0 != 0)
+ return -EINVAL;
+
+ if (sdp->sdp_header.HB1 != DP_SDP_VSC)
+ return -EINVAL;
+
+ vsc->sdp_type = sdp->sdp_header.HB1;
+ vsc->revision = sdp->sdp_header.HB2;
+ vsc->length = sdp->sdp_header.HB3;
+
+ if ((sdp->sdp_header.HB2 == 0x2 && sdp->sdp_header.HB3 == 0x8) ||
+ (sdp->sdp_header.HB2 == 0x4 && sdp->sdp_header.HB3 == 0xe)) {
+ /*
+ * - HB2 = 0x2, HB3 = 0x8
+ * VSC SDP supporting 3D stereo + PSR
+ * - HB2 = 0x4, HB3 = 0xe
+ * VSC SDP supporting 3D stereo + PSR2 with Y-coordinate of
+ * first scan line of the SU region (applies to eDP v1.4b
+ * and higher).
+ */
+ return 0;
+ } else if (sdp->sdp_header.HB2 == 0x5 && sdp->sdp_header.HB3 == 0x13) {
+ /*
+ * - HB2 = 0x5, HB3 = 0x13
+ * VSC SDP supporting 3D stereo + PSR2 + Pixel Encoding/Colorimetry
+ * Format.
+ */
+ vsc->pixelformat = (sdp->db[16] >> 4) & 0xf;
+ vsc->colorimetry = sdp->db[16] & 0xf;
+ vsc->dynamic_range = (sdp->db[17] >> 7) & 0x1;
+
+ switch (sdp->db[17] & 0x7) {
+ case 0x0:
+ vsc->bpc = 6;
+ break;
+ case 0x1:
+ vsc->bpc = 8;
+ break;
+ case 0x2:
+ vsc->bpc = 10;
+ break;
+ case 0x3:
+ vsc->bpc = 12;
+ break;
+ case 0x4:
+ vsc->bpc = 16;
+ break;
+ default:
+ MISSING_CASE(sdp->db[17] & 0x7);
+ return -EINVAL;
+ }
+
+ vsc->content_type = sdp->db[18] & 0x7;
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+intel_dp_hdr_metadata_infoframe_sdp_unpack(struct hdmi_drm_infoframe *drm_infoframe,
+ const void *buffer, size_t size)
+{
+ int ret;
+
+ const struct dp_sdp *sdp = buffer;
+
+ if (size < sizeof(struct dp_sdp))
+ return -EINVAL;
+
+ if (sdp->sdp_header.HB0 != 0)
+ return -EINVAL;
+
+ if (sdp->sdp_header.HB1 != HDMI_INFOFRAME_TYPE_DRM)
+ return -EINVAL;
+
+ /*
+ * Least Significant Eight Bits of (Data Byte Count – 1)
+ * 1Dh (i.e., Data Byte Count = 30 bytes).
+ */
+ if (sdp->sdp_header.HB2 != 0x1D)
+ return -EINVAL;
+
+ /* Most Significant Two Bits of (Data Byte Count – 1), Clear to 00b. */
+ if ((sdp->sdp_header.HB3 & 0x3) != 0)
+ return -EINVAL;
+
+ /* INFOFRAME SDP Version Number */
+ if (((sdp->sdp_header.HB3 >> 2) & 0x3f) != 0x13)
+ return -EINVAL;
+
+ /* CTA Header Byte 2 (INFOFRAME Version Number) */
+ if (sdp->db[0] != 1)
+ return -EINVAL;
+
+ /* CTA Header Byte 3 (Length of INFOFRAME): HDMI_DRM_INFOFRAME_SIZE */
+ if (sdp->db[1] != HDMI_DRM_INFOFRAME_SIZE)
+ return -EINVAL;
+
+ ret = hdmi_drm_infoframe_unpack_only(drm_infoframe, &sdp->db[2],
+ HDMI_DRM_INFOFRAME_SIZE);
+
+ return ret;
+}
+
+static void intel_read_dp_vsc_sdp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_dp_vsc_sdp *vsc)
+{
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ unsigned int type = DP_SDP_VSC;
+ struct dp_sdp sdp = {};
+ int ret;
+
+ /* When PSR is enabled, VSC SDP is handled by PSR routine */
+ if (intel_psr_enabled(intel_dp))
+ return;
+
+ if ((crtc_state->infoframes.enable &
+ intel_hdmi_infoframe_enable(type)) == 0)
+ return;
+
+ intel_dig_port->read_infoframe(encoder, crtc_state, type, &sdp, sizeof(sdp));
+
+ ret = intel_dp_vsc_sdp_unpack(vsc, &sdp, sizeof(sdp));
+
+ if (ret)
+ drm_dbg_kms(&dev_priv->drm, "Failed to unpack DP VSC SDP\n");
+}
+
+static void intel_read_dp_hdr_metadata_infoframe_sdp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct hdmi_drm_infoframe *drm_infoframe)
+{
+ struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+ struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ unsigned int type = HDMI_PACKET_TYPE_GAMUT_METADATA;
+ struct dp_sdp sdp = {};
+ int ret;
+
+ if ((crtc_state->infoframes.enable &
+ intel_hdmi_infoframe_enable(type)) == 0)
+ return;
+
+ intel_dig_port->read_infoframe(encoder, crtc_state, type, &sdp,
+ sizeof(sdp));
+
+ ret = intel_dp_hdr_metadata_infoframe_sdp_unpack(drm_infoframe, &sdp,
+ sizeof(sdp));
+
+ if (ret)
+ drm_dbg_kms(&dev_priv->drm,
+ "Failed to unpack DP HDR Metadata Infoframe SDP\n");
+}
+
+void intel_read_dp_sdp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ unsigned int type)
+{
+ switch (type) {
+ case DP_SDP_VSC:
+ intel_read_dp_vsc_sdp(encoder, crtc_state,
+ &crtc_state->infoframes.vsc);
+ break;
+ case HDMI_PACKET_TYPE_GAMUT_METADATA:
+ intel_read_dp_hdr_metadata_infoframe_sdp(encoder, crtc_state,
+ &crtc_state->infoframes.drm.drm);
+ break;
+ default:
+ MISSING_CASE(type);
+ break;
+ }
}
static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
int status = 0;
int test_link_rate;
u8 test_lane_count, test_link_bw;
@@ -4872,7 +5235,7 @@ static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)
&test_lane_count);
if (status <= 0) {
- DRM_DEBUG_KMS("Lane count read failed\n");
+ drm_dbg_kms(&i915->drm, "Lane count read failed\n");
return DP_TEST_NAK;
}
test_lane_count &= DP_MAX_LANE_COUNT_MASK;
@@ -4880,7 +5243,7 @@ static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)
status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_LINK_RATE,
&test_link_bw);
if (status <= 0) {
- DRM_DEBUG_KMS("Link Rate read failed\n");
+ drm_dbg_kms(&i915->drm, "Link Rate read failed\n");
return DP_TEST_NAK;
}
test_link_rate = drm_dp_bw_code_to_link_rate(test_link_bw);
@@ -4898,6 +5261,7 @@ static u8 intel_dp_autotest_link_training(struct intel_dp *intel_dp)
static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 test_pattern;
u8 test_misc;
__be16 h_width, v_height;
@@ -4907,7 +5271,7 @@ static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_PATTERN,
&test_pattern);
if (status <= 0) {
- DRM_DEBUG_KMS("Test pattern read failed\n");
+ drm_dbg_kms(&i915->drm, "Test pattern read failed\n");
return DP_TEST_NAK;
}
if (test_pattern != DP_COLOR_RAMP)
@@ -4916,21 +5280,21 @@ static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_H_WIDTH_HI,
&h_width, 2);
if (status <= 0) {
- DRM_DEBUG_KMS("H Width read failed\n");
+ drm_dbg_kms(&i915->drm, "H Width read failed\n");
return DP_TEST_NAK;
}
status = drm_dp_dpcd_read(&intel_dp->aux, DP_TEST_V_HEIGHT_HI,
&v_height, 2);
if (status <= 0) {
- DRM_DEBUG_KMS("V Height read failed\n");
+ drm_dbg_kms(&i915->drm, "V Height read failed\n");
return DP_TEST_NAK;
}
status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_MISC0,
&test_misc);
if (status <= 0) {
- DRM_DEBUG_KMS("TEST MISC read failed\n");
+ drm_dbg_kms(&i915->drm, "TEST MISC read failed\n");
return DP_TEST_NAK;
}
if ((test_misc & DP_TEST_COLOR_FORMAT_MASK) != DP_COLOR_FORMAT_RGB)
@@ -4959,6 +5323,7 @@ static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 test_result = DP_TEST_ACK;
struct intel_connector *intel_connector = intel_dp->attached_connector;
struct drm_connector *connector = &intel_connector->base;
@@ -4975,9 +5340,10 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
*/
if (intel_dp->aux.i2c_nack_count > 0 ||
intel_dp->aux.i2c_defer_count > 0)
- DRM_DEBUG_KMS("EDID read had %d NACKs, %d DEFERs\n",
- intel_dp->aux.i2c_nack_count,
- intel_dp->aux.i2c_defer_count);
+ drm_dbg_kms(&i915->drm,
+ "EDID read had %d NACKs, %d DEFERs\n",
+ intel_dp->aux.i2c_nack_count,
+ intel_dp->aux.i2c_defer_count);
intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_FAILSAFE;
} else {
struct edid *block = intel_connector->detect_edid;
@@ -4989,7 +5355,8 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_EDID_CHECKSUM,
block->checksum) <= 0)
- DRM_DEBUG_KMS("Failed to write EDID checksum\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to write EDID checksum\n");
test_result = DP_TEST_ACK | DP_TEST_EDID_CHECKSUM_WRITE;
intel_dp->compliance.test_data.edid = INTEL_DP_RESOLUTION_PREFERRED;
@@ -5001,43 +5368,217 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
return test_result;
}
+static u8 intel_dp_prepare_phytest(struct intel_dp *intel_dp)
+{
+ struct drm_dp_phy_test_params *data =
+ &intel_dp->compliance.test_data.phytest;
+
+ if (drm_dp_get_phy_test_pattern(&intel_dp->aux, data)) {
+ DRM_DEBUG_KMS("DP Phy Test pattern AUX read failure\n");
+ return DP_TEST_NAK;
+ }
+
+ /*
+ * link_mst is set to false to avoid executing mst related code
+ * during compliance testing.
+ */
+ intel_dp->link_mst = false;
+
+ return DP_TEST_ACK;
+}
+
+static void intel_dp_phy_pattern_update(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *dev_priv =
+ to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct drm_dp_phy_test_params *data =
+ &intel_dp->compliance.test_data.phytest;
+ struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
+ enum pipe pipe = crtc->pipe;
+ u32 pattern_val;
+
+ switch (data->phy_pattern) {
+ case DP_PHY_TEST_PATTERN_NONE:
+ DRM_DEBUG_KMS("Disable Phy Test Pattern\n");
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe), 0x0);
+ break;
+ case DP_PHY_TEST_PATTERN_D10_2:
+ DRM_DEBUG_KMS("Set D10.2 Phy Test Pattern\n");
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
+ DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_D10_2);
+ break;
+ case DP_PHY_TEST_PATTERN_ERROR_COUNT:
+ DRM_DEBUG_KMS("Set Error Count Phy Test Pattern\n");
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
+ DDI_DP_COMP_CTL_ENABLE |
+ DDI_DP_COMP_CTL_SCRAMBLED_0);
+ break;
+ case DP_PHY_TEST_PATTERN_PRBS7:
+ DRM_DEBUG_KMS("Set PRBS7 Phy Test Pattern\n");
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
+ DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_PRBS7);
+ break;
+ case DP_PHY_TEST_PATTERN_80BIT_CUSTOM:
+ /*
+ * FIXME: Ideally pattern should come from DPCD 0x250. As
+ * current firmware of DPR-100 could not set it, so hardcoding
+ * now for complaince test.
+ */
+ DRM_DEBUG_KMS("Set 80Bit Custom Phy Test Pattern 0x3e0f83e0 0x0f83e0f8 0x0000f83e\n");
+ pattern_val = 0x3e0f83e0;
+ intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 0), pattern_val);
+ pattern_val = 0x0f83e0f8;
+ intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 1), pattern_val);
+ pattern_val = 0x0000f83e;
+ intel_de_write(dev_priv, DDI_DP_COMP_PAT(pipe, 2), pattern_val);
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
+ DDI_DP_COMP_CTL_ENABLE |
+ DDI_DP_COMP_CTL_CUSTOM80);
+ break;
+ case DP_PHY_TEST_PATTERN_CP2520:
+ /*
+ * FIXME: Ideally pattern should come from DPCD 0x24A. As
+ * current firmware of DPR-100 could not set it, so hardcoding
+ * now for complaince test.
+ */
+ DRM_DEBUG_KMS("Set HBR2 compliance Phy Test Pattern\n");
+ pattern_val = 0xFB;
+ intel_de_write(dev_priv, DDI_DP_COMP_CTL(pipe),
+ DDI_DP_COMP_CTL_ENABLE | DDI_DP_COMP_CTL_HBR2 |
+ pattern_val);
+ break;
+ default:
+ WARN(1, "Invalid Phy Test Pattern\n");
+ }
+}
+
+static void
+intel_dp_autotest_phy_ddi_disable(struct intel_dp *intel_dp)
+{
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
+ enum pipe pipe = crtc->pipe;
+ u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
+
+ trans_ddi_func_ctl_value = intel_de_read(dev_priv,
+ TRANS_DDI_FUNC_CTL(pipe));
+ trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
+ dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
+
+ trans_ddi_func_ctl_value &= ~(TRANS_DDI_FUNC_ENABLE |
+ TGL_TRANS_DDI_PORT_MASK);
+ trans_conf_value &= ~PIPECONF_ENABLE;
+ dp_tp_ctl_value &= ~DP_TP_CTL_ENABLE;
+
+ intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
+ trans_ddi_func_ctl_value);
+ intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
+}
+
+static void
+intel_dp_autotest_phy_ddi_enable(struct intel_dp *intel_dp, uint8_t lane_cnt)
+{
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct drm_device *dev = intel_dig_port->base.base.dev;
+ struct drm_i915_private *dev_priv = to_i915(dev);
+ enum port port = intel_dig_port->base.port;
+ struct intel_crtc *crtc = to_intel_crtc(intel_dig_port->base.base.crtc);
+ enum pipe pipe = crtc->pipe;
+ u32 trans_ddi_func_ctl_value, trans_conf_value, dp_tp_ctl_value;
+
+ trans_ddi_func_ctl_value = intel_de_read(dev_priv,
+ TRANS_DDI_FUNC_CTL(pipe));
+ trans_conf_value = intel_de_read(dev_priv, PIPECONF(pipe));
+ dp_tp_ctl_value = intel_de_read(dev_priv, TGL_DP_TP_CTL(pipe));
+
+ trans_ddi_func_ctl_value |= TRANS_DDI_FUNC_ENABLE |
+ TGL_TRANS_DDI_SELECT_PORT(port);
+ trans_conf_value |= PIPECONF_ENABLE;
+ dp_tp_ctl_value |= DP_TP_CTL_ENABLE;
+
+ intel_de_write(dev_priv, PIPECONF(pipe), trans_conf_value);
+ intel_de_write(dev_priv, TGL_DP_TP_CTL(pipe), dp_tp_ctl_value);
+ intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe),
+ trans_ddi_func_ctl_value);
+}
+
+void intel_dp_process_phy_request(struct intel_dp *intel_dp)
+{
+ struct drm_dp_phy_test_params *data =
+ &intel_dp->compliance.test_data.phytest;
+ u8 link_status[DP_LINK_STATUS_SIZE];
+
+ if (!intel_dp_get_link_status(intel_dp, link_status)) {
+ DRM_DEBUG_KMS("failed to get link status\n");
+ return;
+ }
+
+ /* retrieve vswing & pre-emphasis setting */
+ intel_dp_get_adjust_train(intel_dp, link_status);
+
+ intel_dp_autotest_phy_ddi_disable(intel_dp);
+
+ intel_dp_set_signal_levels(intel_dp);
+
+ intel_dp_phy_pattern_update(intel_dp);
+
+ intel_dp_autotest_phy_ddi_enable(intel_dp, data->num_lanes);
+
+ drm_dp_set_phy_test_pattern(&intel_dp->aux, data,
+ link_status[DP_DPCD_REV]);
+}
+
static u8 intel_dp_autotest_phy_pattern(struct intel_dp *intel_dp)
{
- u8 test_result = DP_TEST_NAK;
+ u8 test_result;
+
+ test_result = intel_dp_prepare_phytest(intel_dp);
+ if (test_result != DP_TEST_ACK)
+ DRM_ERROR("Phy test preparation failed\n");
+
+ intel_dp_process_phy_request(intel_dp);
+
return test_result;
}
static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 response = DP_TEST_NAK;
u8 request = 0;
int status;
status = drm_dp_dpcd_readb(&intel_dp->aux, DP_TEST_REQUEST, &request);
if (status <= 0) {
- DRM_DEBUG_KMS("Could not read test request from sink\n");
+ drm_dbg_kms(&i915->drm,
+ "Could not read test request from sink\n");
goto update_status;
}
switch (request) {
case DP_TEST_LINK_TRAINING:
- DRM_DEBUG_KMS("LINK_TRAINING test requested\n");
+ drm_dbg_kms(&i915->drm, "LINK_TRAINING test requested\n");
response = intel_dp_autotest_link_training(intel_dp);
break;
case DP_TEST_LINK_VIDEO_PATTERN:
- DRM_DEBUG_KMS("TEST_PATTERN test requested\n");
+ drm_dbg_kms(&i915->drm, "TEST_PATTERN test requested\n");
response = intel_dp_autotest_video_pattern(intel_dp);
break;
case DP_TEST_LINK_EDID_READ:
- DRM_DEBUG_KMS("EDID test requested\n");
+ drm_dbg_kms(&i915->drm, "EDID test requested\n");
response = intel_dp_autotest_edid(intel_dp);
break;
case DP_TEST_LINK_PHY_TEST_PATTERN:
- DRM_DEBUG_KMS("PHY_PATTERN test requested\n");
+ drm_dbg_kms(&i915->drm, "PHY_PATTERN test requested\n");
response = intel_dp_autotest_phy_pattern(intel_dp);
break;
default:
- DRM_DEBUG_KMS("Invalid test request '%02x'\n", request);
+ drm_dbg_kms(&i915->drm, "Invalid test request '%02x'\n",
+ request);
break;
}
@@ -5047,64 +5588,59 @@ static void intel_dp_handle_test_request(struct intel_dp *intel_dp)
update_status:
status = drm_dp_dpcd_writeb(&intel_dp->aux, DP_TEST_RESPONSE, response);
if (status <= 0)
- DRM_DEBUG_KMS("Could not write test response to sink\n");
+ drm_dbg_kms(&i915->drm,
+ "Could not write test response to sink\n");
}
static int
intel_dp_check_mst_status(struct intel_dp *intel_dp)
{
- bool bret;
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ bool need_retrain = false;
- if (intel_dp->is_mst) {
- u8 esi[DP_DPRX_ESI_LEN] = { 0 };
- int ret = 0;
+ if (!intel_dp->is_mst)
+ return -EINVAL;
+
+ WARN_ON_ONCE(intel_dp->active_mst_links < 0);
+
+ for (;;) {
+ u8 esi[DP_DPRX_ESI_LEN] = {};
+ bool bret, handled;
int retry;
- bool handled;
- WARN_ON_ONCE(intel_dp->active_mst_links < 0);
bret = intel_dp_get_sink_irq_esi(intel_dp, esi);
-go_again:
- if (bret == true) {
-
- /* check link status - esi[10] = 0x200c */
- if (intel_dp->active_mst_links > 0 &&
- !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
- DRM_DEBUG_KMS("channel EQ not ok, retraining\n");
- intel_dp_start_link_train(intel_dp);
- intel_dp_stop_link_train(intel_dp);
- }
+ if (!bret) {
+ drm_dbg_kms(&i915->drm,
+ "failed to get ESI - device may have failed\n");
+ return -EINVAL;
+ }
- DRM_DEBUG_KMS("got esi %3ph\n", esi);
- ret = drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled);
-
- if (handled) {
- for (retry = 0; retry < 3; retry++) {
- int wret;
- wret = drm_dp_dpcd_write(&intel_dp->aux,
- DP_SINK_COUNT_ESI+1,
- &esi[1], 3);
- if (wret == 3) {
- break;
- }
- }
+ /* check link status - esi[10] = 0x200c */
+ if (intel_dp->active_mst_links > 0 && !need_retrain &&
+ !drm_dp_channel_eq_ok(&esi[10], intel_dp->lane_count)) {
+ drm_dbg_kms(&i915->drm,
+ "channel EQ not ok, retraining\n");
+ need_retrain = true;
+ }
- bret = intel_dp_get_sink_irq_esi(intel_dp, esi);
- if (bret == true) {
- DRM_DEBUG_KMS("got esi2 %3ph\n", esi);
- goto go_again;
- }
- } else
- ret = 0;
+ drm_dbg_kms(&i915->drm, "got esi %3ph\n", esi);
- return ret;
- } else {
- DRM_DEBUG_KMS("failed to get ESI - device may have failed\n");
- intel_dp->is_mst = false;
- drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
- intel_dp->is_mst);
+ drm_dp_mst_hpd_irq(&intel_dp->mst_mgr, esi, &handled);
+ if (!handled)
+ break;
+
+ for (retry = 0; retry < 3; retry++) {
+ int wret;
+
+ wret = drm_dp_dpcd_write(&intel_dp->aux,
+ DP_SINK_COUNT_ESI+1,
+ &esi[1], 3);
+ if (wret == 3)
+ break;
}
}
- return -EINVAL;
+
+ return need_retrain;
}
static bool
@@ -5141,20 +5677,102 @@ intel_dp_needs_link_retrain(struct intel_dp *intel_dp)
return !drm_dp_channel_eq_ok(link_status, intel_dp->lane_count);
}
+static bool intel_dp_has_connector(struct intel_dp *intel_dp,
+ const struct drm_connector_state *conn_state)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct intel_encoder *encoder;
+ enum pipe pipe;
+
+ if (!conn_state->best_encoder)
+ return false;
+
+ /* SST */
+ encoder = &dp_to_dig_port(intel_dp)->base;
+ if (conn_state->best_encoder == &encoder->base)
+ return true;
+
+ /* MST */
+ for_each_pipe(i915, pipe) {
+ encoder = &intel_dp->mst_encoders[pipe]->base;
+ if (conn_state->best_encoder == &encoder->base)
+ return true;
+ }
+
+ return false;
+}
+
+static int intel_dp_prep_link_retrain(struct intel_dp *intel_dp,
+ struct drm_modeset_acquire_ctx *ctx,
+ u32 *crtc_mask)
+{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+ struct drm_connector_list_iter conn_iter;
+ struct intel_connector *connector;
+ int ret = 0;
+
+ *crtc_mask = 0;
+
+ if (!intel_dp_needs_link_retrain(intel_dp))
+ return 0;
+
+ drm_connector_list_iter_begin(&i915->drm, &conn_iter);
+ for_each_intel_connector_iter(connector, &conn_iter) {
+ struct drm_connector_state *conn_state =
+ connector->base.state;
+ struct intel_crtc_state *crtc_state;
+ struct intel_crtc *crtc;
+
+ if (!intel_dp_has_connector(intel_dp, conn_state))
+ continue;
+
+ crtc = to_intel_crtc(conn_state->crtc);
+ if (!crtc)
+ continue;
+
+ ret = drm_modeset_lock(&crtc->base.mutex, ctx);
+ if (ret)
+ break;
+
+ crtc_state = to_intel_crtc_state(crtc->base.state);
+
+ drm_WARN_ON(&i915->drm, !intel_crtc_has_dp_encoder(crtc_state));
+
+ if (!crtc_state->hw.active)
+ continue;
+
+ if (conn_state->commit &&
+ !try_wait_for_completion(&conn_state->commit->hw_done))
+ continue;
+
+ *crtc_mask |= drm_crtc_mask(&crtc->base);
+ }
+ drm_connector_list_iter_end(&conn_iter);
+
+ if (!intel_dp_needs_link_retrain(intel_dp))
+ *crtc_mask = 0;
+
+ return ret;
+}
+
+static bool intel_dp_is_connected(struct intel_dp *intel_dp)
+{
+ struct intel_connector *connector = intel_dp->attached_connector;
+
+ return connector->base.status == connector_status_connected ||
+ intel_dp->is_mst;
+}
+
int intel_dp_retrain_link(struct intel_encoder *encoder,
struct drm_modeset_acquire_ctx *ctx)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
- struct intel_connector *connector = intel_dp->attached_connector;
- struct drm_connector_state *conn_state;
- struct intel_crtc_state *crtc_state;
struct intel_crtc *crtc;
+ u32 crtc_mask;
int ret;
- /* FIXME handle the MST connectors as well */
-
- if (!connector || connector->base.status != connector_status_connected)
+ if (!intel_dp_is_connected(intel_dp))
return 0;
ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex,
@@ -5162,46 +5780,42 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
if (ret)
return ret;
- conn_state = connector->base.state;
-
- crtc = to_intel_crtc(conn_state->crtc);
- if (!crtc)
- return 0;
-
- ret = drm_modeset_lock(&crtc->base.mutex, ctx);
+ ret = intel_dp_prep_link_retrain(intel_dp, ctx, &crtc_mask);
if (ret)
return ret;
- crtc_state = to_intel_crtc_state(crtc->base.state);
-
- drm_WARN_ON(&dev_priv->drm, !intel_crtc_has_dp_encoder(crtc_state));
-
- if (!crtc_state->hw.active)
+ if (crtc_mask == 0)
return 0;
- if (conn_state->commit &&
- !try_wait_for_completion(&conn_state->commit->hw_done))
- return 0;
+ drm_dbg_kms(&dev_priv->drm, "[ENCODER:%d:%s] retraining link\n",
+ encoder->base.base.id, encoder->base.name);
- if (!intel_dp_needs_link_retrain(intel_dp))
- return 0;
+ for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) {
+ const struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
- /* Suppress underruns caused by re-training */
- intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false);
- if (crtc_state->has_pch_encoder)
- intel_set_pch_fifo_underrun_reporting(dev_priv,
- intel_crtc_pch_transcoder(crtc), false);
+ /* Suppress underruns caused by re-training */
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, false);
+ if (crtc_state->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), false);
+ }
intel_dp_start_link_train(intel_dp);
intel_dp_stop_link_train(intel_dp);
- /* Keep underrun reporting disabled until things are stable */
- intel_wait_for_vblank(dev_priv, crtc->pipe);
+ for_each_intel_crtc_mask(&dev_priv->drm, crtc, crtc_mask) {
+ const struct intel_crtc_state *crtc_state =
+ to_intel_crtc_state(crtc->base.state);
- intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
- if (crtc_state->has_pch_encoder)
- intel_set_pch_fifo_underrun_reporting(dev_priv,
- intel_crtc_pch_transcoder(crtc), true);
+ /* Keep underrun reporting disabled until things are stable */
+ intel_wait_for_vblank(dev_priv, crtc->pipe);
+
+ intel_set_cpu_fifo_underrun_reporting(dev_priv, crtc->pipe, true);
+ if (crtc_state->has_pch_encoder)
+ intel_set_pch_fifo_underrun_reporting(dev_priv,
+ intel_crtc_pch_transcoder(crtc), true);
+ }
return 0;
}
@@ -5220,14 +5834,13 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
*/
static enum intel_hotplug_state
intel_dp_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received)
+ struct intel_connector *connector)
{
struct drm_modeset_acquire_ctx ctx;
enum intel_hotplug_state state;
int ret;
- state = intel_encoder_hotplug(encoder, connector, irq_received);
+ state = intel_encoder_hotplug(encoder, connector);
drm_modeset_acquire_init(&ctx, 0);
@@ -5251,7 +5864,7 @@ intel_dp_hotplug(struct intel_encoder *encoder,
* Keeping it consistent with intel_ddi_hotplug() and
* intel_hdmi_hotplug().
*/
- if (state == INTEL_HOTPLUG_UNCHANGED && irq_received)
+ if (state == INTEL_HOTPLUG_UNCHANGED && !connector->hotplug_retries)
state = INTEL_HOTPLUG_RETRY;
return state;
@@ -5259,6 +5872,7 @@ intel_dp_hotplug(struct intel_encoder *encoder,
static void intel_dp_check_service_irq(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 val;
if (intel_dp->dpcd[DP_DPCD_REV] < 0x11)
@@ -5277,7 +5891,7 @@ static void intel_dp_check_service_irq(struct intel_dp *intel_dp)
intel_hdcp_handle_cp_irq(intel_dp->attached_connector);
if (val & DP_SINK_SPECIFIC_IRQ)
- DRM_DEBUG_DRIVER("Sink specific irq unhandled\n");
+ drm_dbg_kms(&i915->drm, "Sink specific irq unhandled\n");
}
/*
@@ -5344,6 +5958,7 @@ intel_dp_short_pulse(struct intel_dp *intel_dp)
static enum drm_connector_status
intel_dp_detect_dpcd(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
u8 *dpcd = intel_dp->dpcd;
u8 type;
@@ -5391,7 +6006,7 @@ intel_dp_detect_dpcd(struct intel_dp *intel_dp)
}
/* Anything else is out of spec, warn and ignore */
- DRM_DEBUG_KMS("Broken DP branch device, ignoring\n");
+ drm_dbg_kms(&i915->drm, "Broken DP branch device, ignoring\n");
return connector_status_disconnected;
}
@@ -5404,64 +6019,7 @@ edp_detect(struct intel_dp *intel_dp)
static bool ibx_digital_port_connected(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- u32 bit;
-
- switch (encoder->hpd_pin) {
- case HPD_PORT_B:
- bit = SDE_PORTB_HOTPLUG;
- break;
- case HPD_PORT_C:
- bit = SDE_PORTC_HOTPLUG;
- break;
- case HPD_PORT_D:
- bit = SDE_PORTD_HOTPLUG;
- break;
- default:
- MISSING_CASE(encoder->hpd_pin);
- return false;
- }
-
- return intel_de_read(dev_priv, SDEISR) & bit;
-}
-
-static bool cpt_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- u32 bit;
-
- switch (encoder->hpd_pin) {
- case HPD_PORT_B:
- bit = SDE_PORTB_HOTPLUG_CPT;
- break;
- case HPD_PORT_C:
- bit = SDE_PORTC_HOTPLUG_CPT;
- break;
- case HPD_PORT_D:
- bit = SDE_PORTD_HOTPLUG_CPT;
- break;
- default:
- MISSING_CASE(encoder->hpd_pin);
- return false;
- }
-
- return intel_de_read(dev_priv, SDEISR) & bit;
-}
-
-static bool spt_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- u32 bit;
-
- switch (encoder->hpd_pin) {
- case HPD_PORT_A:
- bit = SDE_PORTA_HOTPLUG_SPT;
- break;
- case HPD_PORT_E:
- bit = SDE_PORTE_HOTPLUG_SPT;
- break;
- default:
- return cpt_digital_port_connected(encoder);
- }
+ u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin];
return intel_de_read(dev_priv, SDEISR) & bit;
}
@@ -5515,89 +6073,9 @@ static bool gm45_digital_port_connected(struct intel_encoder *encoder)
static bool ilk_digital_port_connected(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin];
- if (encoder->hpd_pin == HPD_PORT_A)
- return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG;
- else
- return ibx_digital_port_connected(encoder);
-}
-
-static bool snb_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
- if (encoder->hpd_pin == HPD_PORT_A)
- return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG;
- else
- return cpt_digital_port_connected(encoder);
-}
-
-static bool ivb_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
- if (encoder->hpd_pin == HPD_PORT_A)
- return intel_de_read(dev_priv, DEISR) & DE_DP_A_HOTPLUG_IVB;
- else
- return cpt_digital_port_connected(encoder);
-}
-
-static bool bdw_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
- if (encoder->hpd_pin == HPD_PORT_A)
- return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & GEN8_PORT_DP_A_HOTPLUG;
- else
- return cpt_digital_port_connected(encoder);
-}
-
-static bool bxt_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- u32 bit;
-
- switch (encoder->hpd_pin) {
- case HPD_PORT_A:
- bit = BXT_DE_PORT_HP_DDIA;
- break;
- case HPD_PORT_B:
- bit = BXT_DE_PORT_HP_DDIB;
- break;
- case HPD_PORT_C:
- bit = BXT_DE_PORT_HP_DDIC;
- break;
- default:
- MISSING_CASE(encoder->hpd_pin);
- return false;
- }
-
- return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit;
-}
-
-static bool intel_combo_phy_connected(struct drm_i915_private *dev_priv,
- enum phy phy)
-{
- if (HAS_PCH_MCC(dev_priv) && phy == PHY_C)
- return intel_de_read(dev_priv, SDEISR) & SDE_TC_HOTPLUG_ICP(PORT_TC1);
-
- return intel_de_read(dev_priv, SDEISR) & SDE_DDI_HOTPLUG_ICP(phy);
-}
-
-static bool icp_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
- struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
- enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
-
- if (intel_phy_is_combo(dev_priv, phy))
- return intel_combo_phy_connected(dev_priv, phy);
- else if (intel_phy_is_tc(dev_priv, phy))
- return intel_tc_port_connected(dig_port);
- else
- MISSING_CASE(encoder->hpd_pin);
-
- return false;
+ return intel_de_read(dev_priv, DEISR) & bit;
}
/*
@@ -5611,44 +6089,15 @@ static bool icp_digital_port_connected(struct intel_encoder *encoder)
*
* Return %true if port is connected, %false otherwise.
*/
-static bool __intel_digital_port_connected(struct intel_encoder *encoder)
-{
- struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-
- if (HAS_GMCH(dev_priv)) {
- if (IS_GM45(dev_priv))
- return gm45_digital_port_connected(encoder);
- else
- return g4x_digital_port_connected(encoder);
- }
-
- if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
- return icp_digital_port_connected(encoder);
- else if (INTEL_PCH_TYPE(dev_priv) >= PCH_SPT)
- return spt_digital_port_connected(encoder);
- else if (IS_GEN9_LP(dev_priv))
- return bxt_digital_port_connected(encoder);
- else if (IS_GEN(dev_priv, 8))
- return bdw_digital_port_connected(encoder);
- else if (IS_GEN(dev_priv, 7))
- return ivb_digital_port_connected(encoder);
- else if (IS_GEN(dev_priv, 6))
- return snb_digital_port_connected(encoder);
- else if (IS_GEN(dev_priv, 5))
- return ilk_digital_port_connected(encoder);
-
- MISSING_CASE(INTEL_GEN(dev_priv));
- return false;
-}
-
bool intel_digital_port_connected(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
bool is_connected = false;
intel_wakeref_t wakeref;
with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref)
- is_connected = __intel_digital_port_connected(encoder);
+ is_connected = dig_port->connected(encoder);
return is_connected;
}
@@ -5863,6 +6312,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
static int
intel_dp_connector_register(struct drm_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(connector->dev);
struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
int ret;
@@ -5870,10 +6320,8 @@ intel_dp_connector_register(struct drm_connector *connector)
if (ret)
return ret;
- intel_connector_debugfs_add(connector);
-
- DRM_DEBUG_KMS("registering %s bus for %s\n",
- intel_dp->aux.name, connector->kdev->kobj.name);
+ drm_dbg_kms(&i915->drm, "registering %s bus for %s\n",
+ intel_dp->aux.name, connector->kdev->kobj.name);
intel_dp->aux.dev = connector->kdev;
ret = drm_dp_aux_register(&intel_dp->aux);
@@ -5959,6 +6407,7 @@ static
int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
u8 *an)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(&intel_dig_port->base.base));
static const struct drm_dp_aux_msg msg = {
.request = DP_AUX_NATIVE_WRITE,
@@ -5973,8 +6422,9 @@ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
dpcd_ret = drm_dp_dpcd_write(&intel_dig_port->dp.aux, DP_AUX_HDCP_AN,
an, DRM_HDCP_AN_LEN);
if (dpcd_ret != DRM_HDCP_AN_LEN) {
- DRM_DEBUG_KMS("Failed to write An over DP/AUX (%zd)\n",
- dpcd_ret);
+ drm_dbg_kms(&i915->drm,
+ "Failed to write An over DP/AUX (%zd)\n",
+ dpcd_ret);
return dpcd_ret >= 0 ? -EIO : dpcd_ret;
}
@@ -5990,17 +6440,19 @@ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
rxbuf, sizeof(rxbuf),
DP_AUX_CH_CTL_AUX_AKSV_SELECT);
if (ret < 0) {
- DRM_DEBUG_KMS("Write Aksv over DP/AUX failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Write Aksv over DP/AUX failed (%d)\n", ret);
return ret;
} else if (ret == 0) {
- DRM_DEBUG_KMS("Aksv write over DP/AUX was empty\n");
+ drm_dbg_kms(&i915->drm, "Aksv write over DP/AUX was empty\n");
return -EIO;
}
reply = (rxbuf[0] >> 4) & DP_AUX_NATIVE_REPLY_MASK;
if (reply != DP_AUX_NATIVE_REPLY_ACK) {
- DRM_DEBUG_KMS("Aksv write: no DP_AUX_NATIVE_REPLY_ACK %x\n",
- reply);
+ drm_dbg_kms(&i915->drm,
+ "Aksv write: no DP_AUX_NATIVE_REPLY_ACK %x\n",
+ reply);
return -EIO;
}
return 0;
@@ -6009,11 +6461,14 @@ int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
static int intel_dp_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,
u8 *bksv)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
+
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BKSV, bksv,
DRM_HDCP_KSV_LEN);
if (ret != DRM_HDCP_KSV_LEN) {
- DRM_DEBUG_KMS("Read Bksv from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read Bksv from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
}
return 0;
@@ -6022,7 +6477,9 @@ static int intel_dp_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,
static int intel_dp_hdcp_read_bstatus(struct intel_digital_port *intel_dig_port,
u8 *bstatus)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
+
/*
* For some reason the HDMI and DP HDCP specs call this register
* definition by different names. In the HDMI spec, it's called BSTATUS,
@@ -6031,7 +6488,8 @@ static int intel_dp_hdcp_read_bstatus(struct intel_digital_port *intel_dig_port,
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BINFO,
bstatus, DRM_HDCP_BSTATUS_LEN);
if (ret != DRM_HDCP_BSTATUS_LEN) {
- DRM_DEBUG_KMS("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read bstatus from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
}
return 0;
@@ -6041,12 +6499,14 @@ static
int intel_dp_hdcp_read_bcaps(struct intel_digital_port *intel_dig_port,
u8 *bcaps)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BCAPS,
bcaps, 1);
if (ret != 1) {
- DRM_DEBUG_KMS("Read bcaps from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read bcaps from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
}
@@ -6072,11 +6532,14 @@ static
int intel_dp_hdcp_read_ri_prime(struct intel_digital_port *intel_dig_port,
u8 *ri_prime)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
+
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_RI_PRIME,
ri_prime, DRM_HDCP_RI_LEN);
if (ret != DRM_HDCP_RI_LEN) {
- DRM_DEBUG_KMS("Read Ri' from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read Ri' from DP/AUX failed (%zd)\n",
+ ret);
return ret >= 0 ? -EIO : ret;
}
return 0;
@@ -6086,12 +6549,15 @@ static
int intel_dp_hdcp_read_ksv_ready(struct intel_digital_port *intel_dig_port,
bool *ksv_ready)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
u8 bstatus;
+
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS,
&bstatus, 1);
if (ret != 1) {
- DRM_DEBUG_KMS("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read bstatus from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
}
*ksv_ready = bstatus & DP_BSTATUS_READY;
@@ -6102,6 +6568,7 @@ static
int intel_dp_hdcp_read_ksv_fifo(struct intel_digital_port *intel_dig_port,
int num_downstream, u8 *ksv_fifo)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
int i;
@@ -6113,8 +6580,9 @@ int intel_dp_hdcp_read_ksv_fifo(struct intel_digital_port *intel_dig_port,
ksv_fifo + i * DRM_HDCP_KSV_LEN,
len);
if (ret != len) {
- DRM_DEBUG_KMS("Read ksv[%d] from DP/AUX failed (%zd)\n",
- i, ret);
+ drm_dbg_kms(&i915->drm,
+ "Read ksv[%d] from DP/AUX failed (%zd)\n",
+ i, ret);
return ret >= 0 ? -EIO : ret;
}
}
@@ -6125,6 +6593,7 @@ static
int intel_dp_hdcp_read_v_prime_part(struct intel_digital_port *intel_dig_port,
int i, u32 *part)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
if (i >= DRM_HDCP_V_PRIME_NUM_PARTS)
@@ -6134,7 +6603,8 @@ int intel_dp_hdcp_read_v_prime_part(struct intel_digital_port *intel_dig_port,
DP_AUX_HDCP_V_PRIME(i), part,
DRM_HDCP_V_PRIME_PART_LEN);
if (ret != DRM_HDCP_V_PRIME_PART_LEN) {
- DRM_DEBUG_KMS("Read v'[%d] from DP/AUX failed (%zd)\n", i, ret);
+ drm_dbg_kms(&i915->drm,
+ "Read v'[%d] from DP/AUX failed (%zd)\n", i, ret);
return ret >= 0 ? -EIO : ret;
}
return 0;
@@ -6151,13 +6621,15 @@ int intel_dp_hdcp_toggle_signalling(struct intel_digital_port *intel_dig_port,
static
bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
u8 bstatus;
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS,
&bstatus, 1);
if (ret != 1) {
- DRM_DEBUG_KMS("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read bstatus from DP/AUX failed (%zd)\n", ret);
return false;
}
@@ -6228,17 +6700,19 @@ static const struct hdcp2_dp_msg_data hdcp2_dp_msg_data[] = {
0, 0 },
};
-static inline
-int intel_dp_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port,
- u8 *rx_status)
+static int
+intel_dp_hdcp2_read_rx_status(struct intel_digital_port *intel_dig_port,
+ u8 *rx_status)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
ssize_t ret;
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux,
DP_HDCP_2_2_REG_RXSTATUS_OFFSET, rx_status,
HDCP_2_2_DP_RXSTATUS_LEN);
if (ret != HDCP_2_2_DP_RXSTATUS_LEN) {
- DRM_DEBUG_KMS("Read bstatus from DP/AUX failed (%zd)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read bstatus from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
}
@@ -6282,6 +6756,7 @@ static ssize_t
intel_dp_hdcp2_wait_for_msg(struct intel_digital_port *intel_dig_port,
const struct hdcp2_dp_msg_data *hdcp2_msg_data)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
struct intel_dp *dp = &intel_dig_port->dp;
struct intel_hdcp *hdcp = &dp->attached_connector->hdcp;
u8 msg_id = hdcp2_msg_data->msg_id;
@@ -6313,8 +6788,9 @@ intel_dp_hdcp2_wait_for_msg(struct intel_digital_port *intel_dig_port,
}
if (ret)
- DRM_DEBUG_KMS("msg_id %d, ret %d, timeout(mSec): %d\n",
- hdcp2_msg_data->msg_id, ret, timeout);
+ drm_dbg_kms(&i915->drm,
+ "msg_id %d, ret %d, timeout(mSec): %d\n",
+ hdcp2_msg_data->msg_id, ret, timeout);
return ret;
}
@@ -6400,6 +6876,7 @@ static
int intel_dp_hdcp2_read_msg(struct intel_digital_port *intel_dig_port,
u8 msg_id, void *buf, size_t size)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
unsigned int offset;
u8 *byte = buf;
ssize_t ret, bytes_to_recv, len;
@@ -6433,7 +6910,8 @@ int intel_dp_hdcp2_read_msg(struct intel_digital_port *intel_dig_port,
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, offset,
(void *)byte, len);
if (ret < 0) {
- DRM_DEBUG_KMS("msg_id %d, ret %zd\n", msg_id, ret);
+ drm_dbg_kms(&i915->drm, "msg_id %d, ret %zd\n",
+ msg_id, ret);
return ret;
}
@@ -6724,7 +7202,11 @@ static int intel_dp_connector_atomic_check(struct drm_connector *conn,
if (ret)
return ret;
- if (INTEL_GEN(dev_priv) < 11)
+ /*
+ * We don't enable port sync on BDW due to missing w/as and
+ * due to not having adjusted the modeset sequence appropriately.
+ */
+ if (INTEL_GEN(dev_priv) < 9)
return 0;
if (!intel_connector_needs_modeset(state, conn))
@@ -6763,28 +7245,45 @@ static const struct drm_encoder_funcs intel_dp_enc_funcs = {
.destroy = intel_dp_encoder_destroy,
};
+static bool intel_edp_have_power(struct intel_dp *intel_dp)
+{
+ intel_wakeref_t wakeref;
+ bool have_power = false;
+
+ with_pps_lock(intel_dp, wakeref) {
+ have_power = edp_have_panel_power(intel_dp) &&
+ edp_have_panel_vdd(intel_dp);
+ }
+
+ return have_power;
+}
+
enum irqreturn
intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
struct intel_dp *intel_dp = &intel_dig_port->dp;
- if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) {
+ if (intel_dig_port->base.type == INTEL_OUTPUT_EDP &&
+ (long_hpd || !intel_edp_have_power(intel_dp))) {
/*
- * vdd off can generate a long pulse on eDP which
+ * vdd off can generate a long/short pulse on eDP which
* would require vdd on to handle it, and thus we
* would end up in an endless cycle of
- * "vdd off -> long hpd -> vdd on -> detect -> vdd off -> ..."
+ * "vdd off -> long/short hpd -> vdd on -> detect -> vdd off -> ..."
*/
- DRM_DEBUG_KMS("ignoring long hpd on eDP [ENCODER:%d:%s]\n",
- intel_dig_port->base.base.base.id,
- intel_dig_port->base.base.name);
+ drm_dbg_kms(&i915->drm,
+ "ignoring %s hpd on eDP [ENCODER:%d:%s]\n",
+ long_hpd ? "long" : "short",
+ intel_dig_port->base.base.base.id,
+ intel_dig_port->base.base.name);
return IRQ_HANDLED;
}
- DRM_DEBUG_KMS("got hpd irq on [ENCODER:%d:%s] - %s\n",
- intel_dig_port->base.base.base.id,
- intel_dig_port->base.base.name,
- long_hpd ? "long" : "short");
+ drm_dbg_kms(&i915->drm, "got hpd irq on [ENCODER:%d:%s] - %s\n",
+ intel_dig_port->base.base.base.id,
+ intel_dig_port->base.base.name,
+ long_hpd ? "long" : "short");
if (long_hpd) {
intel_dp->reset_link_params = true;
@@ -6792,18 +7291,25 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
}
if (intel_dp->is_mst) {
- if (intel_dp_check_mst_status(intel_dp) == -EINVAL) {
+ switch (intel_dp_check_mst_status(intel_dp)) {
+ case -EINVAL:
/*
* If we were in MST mode, and device is not
* there, get out of MST mode
*/
- DRM_DEBUG_KMS("MST device may have disappeared %d vs %d\n",
- intel_dp->is_mst, intel_dp->mst_mgr.mst_state);
+ drm_dbg_kms(&i915->drm,
+ "MST device may have disappeared %d vs %d\n",
+ intel_dp->is_mst,
+ intel_dp->mst_mgr.mst_state);
intel_dp->is_mst = false;
drm_dp_mst_topology_mgr_set_mst(&intel_dp->mst_mgr,
intel_dp->is_mst);
return IRQ_NONE;
+ case 1:
+ return IRQ_NONE;
+ default:
+ break;
}
}
@@ -7834,8 +8340,27 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
intel_encoder->post_disable = g4x_post_disable_dp;
}
+ if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) ||
+ (HAS_PCH_CPT(dev_priv) && port != PORT_A))
+ intel_dig_port->dp.set_link_train = cpt_set_link_train;
+ else
+ intel_dig_port->dp.set_link_train = g4x_set_link_train;
+
+ if (IS_CHERRYVIEW(dev_priv))
+ intel_dig_port->dp.set_signal_levels = chv_set_signal_levels;
+ else if (IS_VALLEYVIEW(dev_priv))
+ intel_dig_port->dp.set_signal_levels = vlv_set_signal_levels;
+ else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A)
+ intel_dig_port->dp.set_signal_levels = ivb_cpu_edp_set_signal_levels;
+ else if (IS_GEN(dev_priv, 6) && port == PORT_A)
+ intel_dig_port->dp.set_signal_levels = snb_cpu_edp_set_signal_levels;
+ else
+ intel_dig_port->dp.set_signal_levels = g4x_set_signal_levels;
+
intel_dig_port->dp.output_reg = output_reg;
intel_dig_port->max_lanes = 4;
+ intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port);
+ intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port);
intel_encoder->type = INTEL_OUTPUT_DP;
intel_encoder->power_domain = intel_port_to_power_domain(port);
@@ -7852,6 +8377,18 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
intel_dig_port->hpd_pulse = intel_dp_hpd_pulse;
+ if (HAS_GMCH(dev_priv)) {
+ if (IS_GM45(dev_priv))
+ intel_dig_port->connected = gm45_digital_port_connected;
+ else
+ intel_dig_port->connected = g4x_digital_port_connected;
+ } else {
+ if (port == PORT_A)
+ intel_dig_port->connected = ilk_digital_port_connected;
+ else
+ intel_dig_port->connected = ibx_digital_port_connected;
+ }
+
if (port != PORT_A)
intel_infoframe_init(intel_dig_port);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index 0c7be8ed1423..1702959ca079 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -16,6 +16,7 @@ struct drm_connector_state;
struct drm_encoder;
struct drm_i915_private;
struct drm_modeset_acquire_ctx;
+struct drm_dp_vsc_sdp;
struct intel_connector;
struct intel_crtc_state;
struct intel_digital_port;
@@ -108,13 +109,21 @@ int intel_dp_link_required(int pixel_clock, int bpp);
int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
-void intel_dp_vsc_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state);
-void intel_dp_hdr_metadata_enable(struct intel_dp *intel_dp,
+void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state,
- const struct drm_connector_state *conn_state);
+ const struct drm_connector_state *conn_state,
+ struct drm_dp_vsc_sdp *vsc);
+void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *crtc_state,
+ struct drm_dp_vsc_sdp *vsc);
+void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state);
+void intel_read_dp_sdp(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ unsigned int type);
bool intel_digital_port_connected(struct intel_encoder *encoder);
+void intel_dp_process_phy_request(struct intel_dp *intel_dp);
static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
{
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 3e706bb850a8..0722540d64ad 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -27,6 +27,7 @@
static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 reg_val = 0;
/* Early return when display use other mechanism to enable backlight. */
@@ -35,8 +36,8 @@ static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,
&reg_val) < 0) {
- DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n",
- DP_EDP_DISPLAY_CONTROL_REGISTER);
+ drm_dbg_kms(&i915->drm, "Failed to read DPCD register 0x%x\n",
+ DP_EDP_DISPLAY_CONTROL_REGISTER);
return;
}
if (enable)
@@ -46,8 +47,8 @@ static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,
reg_val) != 1) {
- DRM_DEBUG_KMS("Failed to %s aux backlight\n",
- enable ? "enable" : "disable");
+ drm_dbg_kms(&i915->drm, "Failed to %s aux backlight\n",
+ enable ? "enable" : "disable");
}
}
@@ -58,6 +59,7 @@ static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
static u32 intel_dp_aux_get_backlight(struct intel_connector *connector)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 read_val[2] = { 0x0 };
u8 mode_reg;
u16 level = 0;
@@ -65,8 +67,9 @@ static u32 intel_dp_aux_get_backlight(struct intel_connector *connector)
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
&mode_reg) != 1) {
- DRM_DEBUG_KMS("Failed to read the DPCD register 0x%x\n",
- DP_EDP_BACKLIGHT_MODE_SET_REGISTER);
+ drm_dbg_kms(&i915->drm,
+ "Failed to read the DPCD register 0x%x\n",
+ DP_EDP_BACKLIGHT_MODE_SET_REGISTER);
return 0;
}
@@ -80,8 +83,8 @@ static u32 intel_dp_aux_get_backlight(struct intel_connector *connector)
if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,
&read_val, sizeof(read_val)) < 0) {
- DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n",
- DP_EDP_BACKLIGHT_BRIGHTNESS_MSB);
+ drm_dbg_kms(&i915->drm, "Failed to read DPCD register 0x%x\n",
+ DP_EDP_BACKLIGHT_BRIGHTNESS_MSB);
return 0;
}
level = read_val[0];
@@ -100,6 +103,7 @@ intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 lev
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 vals[2] = { 0x0 };
vals[0] = level;
@@ -111,7 +115,8 @@ intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 lev
}
if (drm_dp_dpcd_write(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,
vals, sizeof(vals)) < 0) {
- DRM_DEBUG_KMS("Failed to write aux backlight level\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to write aux backlight level\n");
return;
}
}
@@ -133,7 +138,8 @@ static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector)
freq = dev_priv->vbt.backlight.pwm_freq_hz;
if (!freq) {
- DRM_DEBUG_KMS("Use panel default backlight frequency\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Use panel default backlight frequency\n");
return false;
}
@@ -146,13 +152,14 @@ static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector)
fxp_max = DIV_ROUND_CLOSEST(fxp * 5, 4);
if (fxp_min > fxp_actual || fxp_actual > fxp_max) {
- DRM_DEBUG_KMS("Actual frequency out of range\n");
+ drm_dbg_kms(&dev_priv->drm, "Actual frequency out of range\n");
return false;
}
if (drm_dp_dpcd_writeb(&intel_dp->aux,
DP_EDP_BACKLIGHT_FREQ_SET, (u8) f) < 0) {
- DRM_DEBUG_KMS("Failed to write aux backlight freq\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Failed to write aux backlight freq\n");
return false;
}
return true;
@@ -163,13 +170,14 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
struct intel_panel *panel = &connector->panel;
u8 dpcd_buf, new_dpcd_buf, edp_backlight_mode;
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_EDP_BACKLIGHT_MODE_SET_REGISTER, &dpcd_buf) != 1) {
- DRM_DEBUG_KMS("Failed to read DPCD register 0x%x\n",
- DP_EDP_BACKLIGHT_MODE_SET_REGISTER);
+ drm_dbg_kms(&i915->drm, "Failed to read DPCD register 0x%x\n",
+ DP_EDP_BACKLIGHT_MODE_SET_REGISTER);
return;
}
@@ -186,7 +194,8 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
if (drm_dp_dpcd_writeb(&intel_dp->aux,
DP_EDP_PWMGEN_BIT_COUNT,
panel->backlight.pwmgen_bit_count) < 0)
- DRM_DEBUG_KMS("Failed to write aux pwmgen bit count\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to write aux pwmgen bit count\n");
break;
@@ -203,7 +212,8 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
if (new_dpcd_buf != dpcd_buf) {
if (drm_dp_dpcd_writeb(&intel_dp->aux,
DP_EDP_BACKLIGHT_MODE_SET_REGISTER, new_dpcd_buf) < 0) {
- DRM_DEBUG_KMS("Failed to write aux backlight mode\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to write aux backlight mode\n");
}
}
@@ -237,9 +247,11 @@ static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector)
* minimum value will applied automatically. So no need to check that.
*/
freq = i915->vbt.backlight.pwm_freq_hz;
- DRM_DEBUG_KMS("VBT defined backlight frequency %u Hz\n", freq);
+ drm_dbg_kms(&i915->drm, "VBT defined backlight frequency %u Hz\n",
+ freq);
if (!freq) {
- DRM_DEBUG_KMS("Use panel default backlight frequency\n");
+ drm_dbg_kms(&i915->drm,
+ "Use panel default backlight frequency\n");
return max_backlight;
}
@@ -254,12 +266,14 @@ static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector)
*/
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_EDP_PWMGEN_BIT_COUNT_CAP_MIN, &pn_min) != 1) {
- DRM_DEBUG_KMS("Failed to read pwmgen bit count cap min\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to read pwmgen bit count cap min\n");
return max_backlight;
}
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_EDP_PWMGEN_BIT_COUNT_CAP_MAX, &pn_max) != 1) {
- DRM_DEBUG_KMS("Failed to read pwmgen bit count cap max\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to read pwmgen bit count cap max\n");
return max_backlight;
}
pn_min &= DP_EDP_PWMGEN_BIT_COUNT_MASK;
@@ -268,7 +282,8 @@ static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector)
fxp_min = DIV_ROUND_CLOSEST(fxp * 3, 4);
fxp_max = DIV_ROUND_CLOSEST(fxp * 5, 4);
if (fxp_min < (1 << pn_min) || (255 << pn_max) < fxp_max) {
- DRM_DEBUG_KMS("VBT defined backlight frequency out of range\n");
+ drm_dbg_kms(&i915->drm,
+ "VBT defined backlight frequency out of range\n");
return max_backlight;
}
@@ -279,10 +294,11 @@ static u32 intel_dp_aux_calc_max_backlight(struct intel_connector *connector)
break;
}
- DRM_DEBUG_KMS("Using eDP pwmgen bit count of %d\n", pn);
+ drm_dbg_kms(&i915->drm, "Using eDP pwmgen bit count of %d\n", pn);
if (drm_dp_dpcd_writeb(&intel_dp->aux,
DP_EDP_PWMGEN_BIT_COUNT, pn) < 0) {
- DRM_DEBUG_KMS("Failed to write aux pwmgen bit count\n");
+ drm_dbg_kms(&i915->drm,
+ "Failed to write aux pwmgen bit count\n");
return max_backlight;
}
panel->backlight.pwmgen_bit_count = pn;
@@ -312,6 +328,7 @@ static bool
intel_dp_aux_display_control_capable(struct intel_connector *connector)
{
struct intel_dp *intel_dp = intel_attached_dp(connector);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
/* Check the eDP Display control capabilities registers to determine if
* the panel can support backlight control over the aux channel
@@ -319,7 +336,7 @@ intel_dp_aux_display_control_capable(struct intel_connector *connector)
if (intel_dp->edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP &&
(intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP) &&
!(intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP)) {
- DRM_DEBUG_KMS("AUX Backlight Control Supported!\n");
+ drm_dbg_kms(&i915->drm, "AUX Backlight Control Supported!\n");
return true;
}
return false;
@@ -329,8 +346,7 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
{
struct intel_panel *panel = &intel_connector->panel;
struct intel_dp *intel_dp = enc_to_intel_dp(intel_connector->encoder);
- struct drm_device *dev = intel_connector->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
if (i915_modparams.enable_dpcd_backlight == 0 ||
!intel_dp_aux_display_control_capable(intel_connector))
@@ -340,17 +356,18 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
* There are a lot of machines that don't advertise the backlight
* control interface to use properly in their VBIOS, :\
*/
- if (dev_priv->vbt.backlight.type !=
+ if (i915->vbt.backlight.type !=
INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE &&
+ i915_modparams.enable_dpcd_backlight != 1 &&
!drm_dp_has_quirk(&intel_dp->desc, intel_dp->edid_quirks,
DP_QUIRK_FORCE_DPCD_BACKLIGHT)) {
- DRM_DEV_INFO(dev->dev,
- "Panel advertises DPCD backlight support, but "
- "VBT disagrees. If your backlight controls "
- "don't work try booting with "
- "i915.enable_dpcd_backlight=1. If your machine "
- "needs this, please file a _new_ bug report on "
- "drm/i915, see " FDO_BUG_URL " for details.\n");
+ drm_info(&i915->drm,
+ "Panel advertises DPCD backlight support, but "
+ "VBT disagrees. If your backlight controls "
+ "don't work try booting with "
+ "i915.enable_dpcd_backlight=1. If your machine "
+ "needs this, please file a _new_ bug report on "
+ "drm/i915, see " FDO_BUG_URL " for details.\n");
return -ENODEV;
}
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index a7defb37ab00..e4f1843170b7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -34,9 +34,8 @@ intel_dp_dump_link_status(const u8 link_status[DP_LINK_STATUS_SIZE])
link_status[3], link_status[4], link_status[5]);
}
-static void
-intel_get_adjust_train(struct intel_dp *intel_dp,
- const u8 link_status[DP_LINK_STATUS_SIZE])
+void intel_dp_get_adjust_train(struct intel_dp *intel_dp,
+ const u8 link_status[DP_LINK_STATUS_SIZE])
{
u8 v = 0;
u8 p = 0;
@@ -219,7 +218,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp)
voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
/* Update training set as requested by target */
- intel_get_adjust_train(intel_dp, link_status);
+ intel_dp_get_adjust_train(intel_dp, link_status);
if (!intel_dp_update_link_train(intel_dp)) {
drm_err(&i915->drm,
"failed to update link training\n");
@@ -338,7 +337,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp)
}
/* Update training set as requested by target */
- intel_get_adjust_train(intel_dp, link_status);
+ intel_dp_get_adjust_train(intel_dp, link_status);
if (!intel_dp_update_link_train(intel_dp)) {
drm_err(&i915->drm,
"failed to update link training\n");
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
index 174566adcc92..01f1dabbb060 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h
@@ -6,8 +6,12 @@
#ifndef __INTEL_DP_LINK_TRAINING_H__
#define __INTEL_DP_LINK_TRAINING_H__
+#include <drm/drm_dp_helper.h>
+
struct intel_dp;
+void intel_dp_get_adjust_train(struct intel_dp *intel_dp,
+ const u8 link_status[DP_LINK_STATUS_SIZE]);
void intel_dp_start_link_train(struct intel_dp *intel_dp);
void intel_dp_stop_link_train(struct intel_dp *intel_dp);
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 44f3fd251ca1..d18b406f2a7d 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -47,9 +47,9 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
struct intel_dp *intel_dp = &intel_mst->primary->dp;
struct intel_connector *connector =
to_intel_connector(conn_state->connector);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
- void *port = connector->port;
bool constant_n = drm_dp_has_quirk(&intel_dp->desc, 0,
DP_DPCD_QUIRK_CONSTANT_N);
int bpp, slots = -EINVAL;
@@ -65,7 +65,8 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
false);
slots = drm_dp_atomic_find_vcpi_slots(state, &intel_dp->mst_mgr,
- port, crtc_state->pbn, 0);
+ connector->port,
+ crtc_state->pbn, 0);
if (slots == -EDEADLK)
return slots;
if (slots >= 0)
@@ -73,7 +74,8 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
}
if (slots < 0) {
- DRM_DEBUG_KMS("failed finding vcpi slots:%d\n", slots);
+ drm_dbg_kms(&i915->drm, "failed finding vcpi slots:%d\n",
+ slots);
return slots;
}
@@ -88,56 +90,10 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
return 0;
}
-/*
- * Iterate over all connectors and return the smallest transcoder in the MST
- * stream
- */
-static enum transcoder
-intel_dp_mst_master_trans_compute(struct intel_atomic_state *state,
- struct intel_dp *mst_port)
-{
- struct drm_i915_private *dev_priv = to_i915(state->base.dev);
- struct intel_digital_connector_state *conn_state;
- struct intel_connector *connector;
- enum pipe ret = I915_MAX_PIPES;
- int i;
-
- if (INTEL_GEN(dev_priv) < 12)
- return INVALID_TRANSCODER;
-
- for_each_new_intel_connector_in_state(state, connector, conn_state, i) {
- struct intel_crtc_state *crtc_state;
- struct intel_crtc *crtc;
-
- if (connector->mst_port != mst_port || !conn_state->base.crtc)
- continue;
-
- crtc = to_intel_crtc(conn_state->base.crtc);
- crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
- if (!crtc_state->uapi.active)
- continue;
-
- /*
- * Using crtc->pipe because crtc_state->cpu_transcoder is
- * computed, so others CRTCs could have non-computed
- * cpu_transcoder
- */
- if (crtc->pipe < ret)
- ret = crtc->pipe;
- }
-
- if (ret == I915_MAX_PIPES)
- return INVALID_TRANSCODER;
-
- /* Simple cast works because TGL don't have a eDP transcoder */
- return (enum transcoder)ret;
-}
-
static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)
{
- struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
struct intel_dp *intel_dp = &intel_mst->primary->dp;
@@ -147,7 +103,6 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
to_intel_digital_connector_state(conn_state);
const struct drm_display_mode *adjusted_mode =
&pipe_config->hw.adjusted_mode;
- void *port = connector->port;
struct link_config_limits limits;
int ret;
@@ -158,8 +113,7 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
pipe_config->has_pch_encoder = false;
if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO)
- pipe_config->has_audio =
- drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, port);
+ pipe_config->has_audio = connector->port->has_audio;
else
pipe_config->has_audio =
intel_conn_state->force_audio == HDMI_AUDIO_ON;
@@ -201,7 +155,56 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
intel_ddi_compute_min_voltage_level(dev_priv, pipe_config);
- pipe_config->mst_master_transcoder = intel_dp_mst_master_trans_compute(state, intel_dp);
+ return 0;
+}
+
+/*
+ * Iterate over all connectors and return a mask of
+ * all CPU transcoders streaming over the same DP link.
+ */
+static unsigned int
+intel_dp_mst_transcoder_mask(struct intel_atomic_state *state,
+ struct intel_dp *mst_port)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ const struct intel_digital_connector_state *conn_state;
+ struct intel_connector *connector;
+ u8 transcoders = 0;
+ int i;
+
+ if (INTEL_GEN(dev_priv) < 12)
+ return 0;
+
+ for_each_new_intel_connector_in_state(state, connector, conn_state, i) {
+ const struct intel_crtc_state *crtc_state;
+ struct intel_crtc *crtc;
+
+ if (connector->mst_port != mst_port || !conn_state->base.crtc)
+ continue;
+
+ crtc = to_intel_crtc(conn_state->base.crtc);
+ crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
+
+ if (!crtc_state->hw.active)
+ continue;
+
+ transcoders |= BIT(crtc_state->cpu_transcoder);
+ }
+
+ return transcoders;
+}
+
+static int intel_dp_mst_compute_config_late(struct intel_encoder *encoder,
+ struct intel_crtc_state *crtc_state,
+ struct drm_connector_state *conn_state)
+{
+ struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
+ struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
+ struct intel_dp *intel_dp = &intel_mst->primary->dp;
+
+ /* lowest numbered transcoder will be designated master */
+ crtc_state->mst_master_transcoder =
+ ffs(intel_dp_mst_transcoder_mask(state, intel_dp)) - 1;
return 0;
}
@@ -313,7 +316,8 @@ intel_dp_mst_atomic_check(struct drm_connector *connector,
return ret;
}
-static void intel_mst_disable_dp(struct intel_encoder *encoder,
+static void intel_mst_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -322,22 +326,25 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder,
struct intel_dp *intel_dp = &intel_dig_port->dp;
struct intel_connector *connector =
to_intel_connector(old_conn_state->connector);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
int ret;
- DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
+ drm_dbg_kms(&i915->drm, "active links %d\n",
+ intel_dp->active_mst_links);
drm_dp_mst_reset_vcpi_slots(&intel_dp->mst_mgr, connector->port);
ret = drm_dp_update_payload_part1(&intel_dp->mst_mgr);
if (ret) {
- DRM_DEBUG_KMS("failed to update payload %d\n", ret);
+ drm_dbg_kms(&i915->drm, "failed to update payload %d\n", ret);
}
if (old_crtc_state->has_audio)
intel_audio_codec_disable(encoder,
old_crtc_state, old_conn_state);
}
-static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
+static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -371,7 +378,8 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
DP_TP_STATUS_ACT_SENT, 1))
- DRM_ERROR("Timed out waiting for ACT sent when disabling\n");
+ drm_err(&dev_priv->drm,
+ "Timed out waiting for ACT sent when disabling\n");
drm_dp_check_act_status(&intel_dp->mst_mgr);
drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, connector->port);
@@ -402,13 +410,15 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
intel_mst->connector = NULL;
if (last_mst_stream)
- intel_dig_port->base.post_disable(&intel_dig_port->base,
+ intel_dig_port->base.post_disable(state, &intel_dig_port->base,
old_crtc_state, NULL);
- DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
+ drm_dbg_kms(&dev_priv->drm, "active links %d\n",
+ intel_dp->active_mst_links);
}
-static void intel_mst_pre_pll_enable_dp(struct intel_encoder *encoder,
+static void intel_mst_pre_pll_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -417,11 +427,12 @@ static void intel_mst_pre_pll_enable_dp(struct intel_encoder *encoder,
struct intel_dp *intel_dp = &intel_dig_port->dp;
if (intel_dp->active_mst_links == 0)
- intel_dig_port->base.pre_pll_enable(&intel_dig_port->base,
+ intel_dig_port->base.pre_pll_enable(state, &intel_dig_port->base,
pipe_config, NULL);
}
-static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
+static void intel_mst_pre_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -445,7 +456,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
INTEL_GEN(dev_priv) >= 12 && first_mst_stream &&
!intel_dp_mst_is_master_trans(pipe_config));
- DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
+ drm_dbg_kms(&dev_priv->drm, "active links %d\n",
+ intel_dp->active_mst_links);
if (first_mst_stream)
intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
@@ -453,7 +465,7 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port, true);
if (first_mst_stream)
- intel_dig_port->base.pre_enable(&intel_dig_port->base,
+ intel_dig_port->base.pre_enable(state, &intel_dig_port->base,
pipe_config, NULL);
ret = drm_dp_mst_allocate_vcpi(&intel_dp->mst_mgr,
@@ -461,7 +473,7 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
pipe_config->pbn,
pipe_config->dp_m_n.tu);
if (!ret)
- DRM_ERROR("failed to allocate vcpi\n");
+ drm_err(&dev_priv->drm, "failed to allocate vcpi\n");
intel_dp->active_mst_links++;
temp = intel_de_read(dev_priv, intel_dp->regs.dp_tp_status);
@@ -477,14 +489,15 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
* here for the following ones.
*/
if (INTEL_GEN(dev_priv) < 12 || !first_mst_stream)
- intel_ddi_enable_pipe_clock(pipe_config);
+ intel_ddi_enable_pipe_clock(encoder, pipe_config);
intel_ddi_set_dp_msa(pipe_config, conn_state);
intel_dp_set_m_n(pipe_config, M1_N1);
}
-static void intel_mst_enable_dp(struct intel_encoder *encoder,
+static void intel_mst_enable_dp(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -495,19 +508,23 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
drm_WARN_ON(&dev_priv->drm, pipe_config->has_pch_encoder);
- intel_enable_pipe(pipe_config);
-
- intel_crtc_vblank_on(pipe_config);
+ intel_ddi_enable_transcoder_func(encoder, pipe_config);
- DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
+ drm_dbg_kms(&dev_priv->drm, "active links %d\n",
+ intel_dp->active_mst_links);
if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
DP_TP_STATUS_ACT_SENT, 1))
- DRM_ERROR("Timed out waiting for ACT sent\n");
+ drm_err(&dev_priv->drm, "Timed out waiting for ACT sent\n");
drm_dp_check_act_status(&intel_dp->mst_mgr);
drm_dp_update_payload_part2(&intel_dp->mst_mgr);
+
+ intel_enable_pipe(pipe_config);
+
+ intel_crtc_vblank_on(pipe_config);
+
if (pipe_config->has_audio)
intel_audio_codec_enable(encoder, pipe_config, conn_state);
}
@@ -786,6 +803,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum
intel_encoder->pipe_mask = ~0;
intel_encoder->compute_config = intel_dp_mst_compute_config;
+ intel_encoder->compute_config_late = intel_dp_mst_compute_config_late;
intel_encoder->disable = intel_mst_disable_dp;
intel_encoder->post_disable = intel_mst_post_disable_dp;
intel_encoder->pre_pll_enable = intel_mst_pre_pll_enable_dp;
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 2d47f1f756a2..b45185b80bec 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -80,7 +80,7 @@ intel_atomic_get_shared_dpll_state(struct drm_atomic_state *s)
{
struct intel_atomic_state *state = to_intel_atomic_state(s);
- WARN_ON(!drm_modeset_is_locked(&s->dev->mode_config.connection_mutex));
+ drm_WARN_ON(s->dev, !drm_modeset_is_locked(&s->dev->mode_config.connection_mutex));
if (!state->dpll_set) {
state->dpll_set = true;
@@ -979,7 +979,7 @@ hsw_ddi_spll_get_dpll(struct intel_atomic_state *state,
struct intel_crtc_state *crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
- if (WARN_ON(crtc_state->port_clock / 2 != 135000))
+ if (drm_WARN_ON(crtc->base.dev, crtc_state->port_clock / 2 != 135000))
return NULL;
crtc_state->dpll_hw_state.spll = SPLL_PLL_ENABLE | SPLL_FREQ_1350MHz |
@@ -1616,7 +1616,7 @@ static int skl_ddi_wrpll_get_freq(struct drm_i915_private *i915,
dco_freq += ((pll_state->cfgcr1 & DPLL_CFGCR1_DCO_FRACTION_MASK) >> 9) *
ref_clock / 0x8000;
- if (WARN_ON(p0 == 0 || p1 == 0 || p2 == 0))
+ if (drm_WARN_ON(&i915->drm, p0 == 0 || p1 == 0 || p2 == 0))
return 0;
return dco_freq / (p0 * p1 * p2 * 5);
@@ -2074,7 +2074,7 @@ bxt_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state,
clk_div->p1 = best_clock.p1;
clk_div->p2 = best_clock.p2;
- WARN_ON(best_clock.m1 != 2);
+ drm_WARN_ON(&i915->drm, best_clock.m1 != 2);
clk_div->n = best_clock.n;
clk_div->m2_int = best_clock.m2 >> 22;
clk_div->m2_frac = best_clock.m2 & ((1 << 22) - 1);
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index d7a6bf2277df..29fec6a92d17 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -34,7 +34,7 @@
#define DSB_BYTE_EN_SHIFT 20
#define DSB_REG_VALUE_MASK 0xfffff
-static inline bool is_dsb_busy(struct intel_dsb *dsb)
+static bool is_dsb_busy(struct intel_dsb *dsb)
{
struct intel_crtc *crtc = container_of(dsb, typeof(*crtc), dsb);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -43,7 +43,7 @@ static inline bool is_dsb_busy(struct intel_dsb *dsb)
return DSB_STATUS & intel_de_read(dev_priv, DSB_CTRL(pipe, dsb->id));
}
-static inline bool intel_dsb_enable_engine(struct intel_dsb *dsb)
+static bool intel_dsb_enable_engine(struct intel_dsb *dsb)
{
struct intel_crtc *crtc = container_of(dsb, typeof(*crtc), dsb);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -63,7 +63,7 @@ static inline bool intel_dsb_enable_engine(struct intel_dsb *dsb)
return true;
}
-static inline bool intel_dsb_disable_engine(struct intel_dsb *dsb)
+static bool intel_dsb_disable_engine(struct intel_dsb *dsb)
{
struct intel_crtc *crtc = container_of(dsb, typeof(*crtc), dsb);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
diff --git a/drivers/gpu/drm/i915/display/intel_dsi.c b/drivers/gpu/drm/i915/display/intel_dsi.c
index a2a937109a5a..afa4e6817e8c 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi.c
@@ -31,20 +31,21 @@ int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi)
int intel_dsi_get_modes(struct drm_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(connector->dev);
struct intel_connector *intel_connector = to_intel_connector(connector);
struct drm_display_mode *mode;
- DRM_DEBUG_KMS("\n");
+ drm_dbg_kms(&i915->drm, "\n");
if (!intel_connector->panel.fixed_mode) {
- DRM_DEBUG_KMS("no fixed mode\n");
+ drm_dbg_kms(&i915->drm, "no fixed mode\n");
return 0;
}
mode = drm_mode_duplicate(connector->dev,
intel_connector->panel.fixed_mode);
if (!mode) {
- DRM_DEBUG_KMS("drm_mode_duplicate failed\n");
+ drm_dbg_kms(&i915->drm, "drm_mode_duplicate failed\n");
return 0;
}
@@ -60,7 +61,7 @@ enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector,
const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
- DRM_DEBUG_KMS("\n");
+ drm_dbg_kms(&dev_priv->drm, "\n");
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index 574dcfec9577..eed037ec0b29 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -121,7 +121,7 @@ struct i2c_adapter_lookup {
#define ICL_GPIO_DDPA_CTRLCLK_2 8
#define ICL_GPIO_DDPA_CTRLDATA_2 9
-static inline enum port intel_dsi_seq_port_to_port(u8 port)
+static enum port intel_dsi_seq_port_to_port(u8 port)
{
return port ? PORT_C : PORT_A;
}
@@ -453,8 +453,7 @@ static inline void i2c_acpi_find_adapter(struct intel_dsi *intel_dsi,
static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data)
{
- struct drm_device *drm_dev = intel_dsi->base.base.dev;
- struct device *dev = &drm_dev->pdev->dev;
+ struct drm_i915_private *i915 = to_i915(intel_dsi->base.base.dev);
struct i2c_adapter *adapter;
struct i2c_msg msg;
int ret;
@@ -471,7 +470,7 @@ static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data)
adapter = i2c_get_adapter(intel_dsi->i2c_bus_num);
if (!adapter) {
- DRM_DEV_ERROR(dev, "Cannot find a valid i2c bus for xfer\n");
+ drm_err(&i915->drm, "Cannot find a valid i2c bus for xfer\n");
goto err_bus;
}
@@ -489,9 +488,9 @@ static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data)
ret = i2c_transfer(adapter, &msg, 1);
if (ret < 0)
- DRM_DEV_ERROR(dev,
- "Failed to xfer payload of size (%u) to reg (%u)\n",
- payload_size, reg_offset);
+ drm_err(&i915->drm,
+ "Failed to xfer payload of size (%u) to reg (%u)\n",
+ payload_size, reg_offset);
kfree(payload_data);
err_alloc:
diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index 341d5ce8b062..5cd09034519b 100644
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -183,7 +183,8 @@ static void intel_dvo_get_config(struct intel_encoder *encoder,
pipe_config->hw.adjusted_mode.crtc_clock = pipe_config->port_clock;
}
-static void intel_disable_dvo(struct intel_encoder *encoder,
+static void intel_disable_dvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -197,7 +198,8 @@ static void intel_disable_dvo(struct intel_encoder *encoder,
intel_de_read(dev_priv, dvo_reg);
}
-static void intel_enable_dvo(struct intel_encoder *encoder,
+static void intel_enable_dvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -272,7 +274,8 @@ static int intel_dvo_compute_config(struct intel_encoder *encoder,
return 0;
}
-static void intel_dvo_pre_enable(struct intel_encoder *encoder,
+static void intel_dvo_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 2e5d835a9eaa..1c26673acb2d 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -104,7 +104,7 @@ static void i8xx_fbc_deactivate(struct drm_i915_private *dev_priv)
/* Wait for compressing bit to clear */
if (intel_de_wait_for_clear(dev_priv, FBC_STATUS,
FBC_STAT_COMPRESSING, 10)) {
- DRM_DEBUG_KMS("FBC idle timed out\n");
+ drm_dbg_kms(&dev_priv->drm, "FBC idle timed out\n");
return;
}
}
@@ -485,8 +485,8 @@ static int intel_fbc_alloc_cfb(struct drm_i915_private *dev_priv,
if (!ret)
goto err_llb;
else if (ret > 1) {
- DRM_INFO("Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n");
-
+ drm_info_once(&dev_priv->drm,
+ "Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.\n");
}
fbc->threshold = ret;
@@ -521,8 +521,9 @@ static int intel_fbc_alloc_cfb(struct drm_i915_private *dev_priv,
dev_priv->dsm.start + compressed_llb->start);
}
- DRM_DEBUG_KMS("reserved %llu bytes of contiguous stolen space for FBC, threshold: %d\n",
- fbc->compressed_fb.size, fbc->threshold);
+ drm_dbg_kms(&dev_priv->drm,
+ "reserved %llu bytes of contiguous stolen space for FBC, threshold: %d\n",
+ fbc->compressed_fb.size, fbc->threshold);
return 0;
@@ -531,7 +532,7 @@ err_fb:
i915_gem_stolen_remove_node(dev_priv, &fbc->compressed_fb);
err_llb:
if (drm_mm_initialized(&dev_priv->mm.stolen))
- pr_info_once("drm: not enough stolen space for compressed buffer (need %d more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this.\n", size);
+ drm_info_once(&dev_priv->drm, "not enough stolen space for compressed buffer (need %d more bytes), disabling. Hint: you may be able to increase stolen memory size in the BIOS to avoid this.\n", size);
return -ENOSPC;
}
@@ -539,6 +540,9 @@ static void __intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)
{
struct intel_fbc *fbc = &dev_priv->fbc;
+ if (WARN_ON(intel_fbc_hw_is_active(dev_priv)))
+ return;
+
if (!drm_mm_node_allocated(&fbc->compressed_fb))
return;
@@ -563,7 +567,7 @@ void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv)
}
static bool stride_is_valid(struct drm_i915_private *dev_priv,
- unsigned int stride)
+ u64 modifier, unsigned int stride)
{
/* This should have been caught earlier. */
if (drm_WARN_ON_ONCE(&dev_priv->drm, (stride & (64 - 1)) != 0))
@@ -579,6 +583,11 @@ static bool stride_is_valid(struct drm_i915_private *dev_priv,
if (IS_GEN(dev_priv, 4) && !IS_G4X(dev_priv) && stride < 2048)
return false;
+ /* Display WA #1105: skl,bxt,kbl,cfl,glk */
+ if (IS_GEN(dev_priv, 9) &&
+ modifier == DRM_FORMAT_MOD_LINEAR && stride & 511)
+ return false;
+
if (stride > 16384)
return false;
@@ -606,6 +615,19 @@ static bool pixel_format_is_valid(struct drm_i915_private *dev_priv,
}
}
+static bool rotation_is_valid(struct drm_i915_private *dev_priv,
+ u32 pixel_format, unsigned int rotation)
+{
+ if (INTEL_GEN(dev_priv) >= 9 && pixel_format == DRM_FORMAT_RGB565 &&
+ drm_rotation_90_or_270(rotation))
+ return false;
+ else if (INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv) &&
+ rotation != DRM_MODE_ROTATE_0)
+ return false;
+
+ return true;
+}
+
/*
* For some reason, the hardware tracking starts looking at whatever we
* programmed as the display plane base address register. It does not look at
@@ -640,6 +662,22 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc)
return effective_w <= max_w && effective_h <= max_h;
}
+static bool tiling_is_valid(struct drm_i915_private *dev_priv,
+ uint64_t modifier)
+{
+ switch (modifier) {
+ case DRM_FORMAT_MOD_LINEAR:
+ if (INTEL_GEN(dev_priv) >= 9)
+ return true;
+ return false;
+ case I915_FORMAT_MOD_X_TILED:
+ case I915_FORMAT_MOD_Y_TILED:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
const struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state)
@@ -673,6 +711,7 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
cache->fb.format = fb->format;
cache->fb.stride = fb->pitches[0];
+ cache->fb.modifier = fb->modifier;
drm_WARN_ON(&dev_priv->drm, plane_state->flags & PLANE_HAS_FENCE &&
!plane_state->vma->fence);
@@ -746,30 +785,40 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc)
return false;
}
- /* The use of a CPU fence is mandatory in order to detect writes
- * by the CPU to the scanout and trigger updates to the FBC.
+ /* The use of a CPU fence is one of two ways to detect writes by the
+ * CPU to the scanout and trigger updates to the FBC.
+ *
+ * The other method is by software tracking (see
+ * intel_fbc_invalidate/flush()), it will manually notify FBC and nuke
+ * the current compressed buffer and recompress it.
*
* Note that is possible for a tiled surface to be unmappable (and
- * so have no fence associated with it) due to aperture constaints
+ * so have no fence associated with it) due to aperture constraints
* at the time of pinning.
*
* FIXME with 90/270 degree rotation we should use the fence on
* the normal GTT view (the rotated view doesn't even have a
* fence). Would need changes to the FBC fence Y offset as well.
- * For now this will effecively disable FBC with 90/270 degree
+ * For now this will effectively disable FBC with 90/270 degree
* rotation.
*/
- if (cache->fence_id < 0) {
+ if (INTEL_GEN(dev_priv) < 9 && cache->fence_id < 0) {
fbc->no_fbc_reason = "framebuffer not tiled or fenced";
return false;
}
- if (INTEL_GEN(dev_priv) <= 4 && !IS_G4X(dev_priv) &&
- cache->plane.rotation != DRM_MODE_ROTATE_0) {
+
+ if (!rotation_is_valid(dev_priv, cache->fb.format->format,
+ cache->plane.rotation)) {
fbc->no_fbc_reason = "rotation unsupported";
return false;
}
- if (!stride_is_valid(dev_priv, cache->fb.stride)) {
+ if (!tiling_is_valid(dev_priv, cache->fb.modifier)) {
+ fbc->no_fbc_reason = "tiling unsupported";
+ return false;
+ }
+
+ if (!stride_is_valid(dev_priv, cache->fb.modifier, cache->fb.stride)) {
fbc->no_fbc_reason = "framebuffer stride not supported";
return false;
}
@@ -948,7 +997,8 @@ static void __intel_fbc_disable(struct drm_i915_private *dev_priv)
drm_WARN_ON(&dev_priv->drm, !fbc->crtc);
drm_WARN_ON(&dev_priv->drm, fbc->active);
- DRM_DEBUG_KMS("Disabling FBC on pipe %c\n", pipe_name(crtc->pipe));
+ drm_dbg_kms(&dev_priv->drm, "Disabling FBC on pipe %c\n",
+ pipe_name(crtc->pipe));
__intel_fbc_cleanup_cfb(dev_priv);
@@ -1176,7 +1226,8 @@ void intel_fbc_enable(struct intel_atomic_state *state,
else
cache->gen9_wa_cfb_stride = 0;
- DRM_DEBUG_KMS("Enabling FBC on pipe %c\n", pipe_name(crtc->pipe));
+ drm_dbg_kms(&dev_priv->drm, "Enabling FBC on pipe %c\n",
+ pipe_name(crtc->pipe));
fbc->no_fbc_reason = "FBC enabled but not active yet\n";
fbc->crtc = crtc;
@@ -1238,7 +1289,7 @@ static void intel_fbc_underrun_work_fn(struct work_struct *work)
if (fbc->underrun_detected || !fbc->crtc)
goto out;
- DRM_DEBUG_KMS("Disabling FBC due to FIFO underrun.\n");
+ drm_dbg_kms(&dev_priv->drm, "Disabling FBC due to FIFO underrun.\n");
fbc->underrun_detected = true;
intel_fbc_deactivate(dev_priv, "FIFO underrun");
@@ -1264,7 +1315,8 @@ int intel_fbc_reset_underrun(struct drm_i915_private *dev_priv)
return ret;
if (dev_priv->fbc.underrun_detected) {
- DRM_DEBUG_KMS("Re-allowing FBC after fifo underrun\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Re-allowing FBC after fifo underrun\n");
dev_priv->fbc.no_fbc_reason = "FIFO underrun cleared";
}
@@ -1335,7 +1387,8 @@ static bool need_fbc_vtd_wa(struct drm_i915_private *dev_priv)
/* WaFbcTurnOffFbcWhenHyperVisorIsUsed:skl,bxt */
if (intel_vtd_active() &&
(IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))) {
- DRM_INFO("Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n");
+ drm_info(&dev_priv->drm,
+ "Disabling framebuffer compression (FBC) to prevent screen flicker with VT-d enabled\n");
return true;
}
@@ -1363,8 +1416,8 @@ void intel_fbc_init(struct drm_i915_private *dev_priv)
mkwrite_device_info(dev_priv)->display.has_fbc = false;
i915_modparams.enable_fbc = intel_sanitize_fbc_option(dev_priv);
- DRM_DEBUG_KMS("Sanitized enable_fbc value: %d\n",
- i915_modparams.enable_fbc);
+ drm_dbg_kms(&dev_priv->drm, "Sanitized enable_fbc value: %d\n",
+ i915_modparams.enable_fbc);
if (!HAS_FBC(dev_priv)) {
fbc->no_fbc_reason = "unsupported by this chipset";
diff --git a/drivers/gpu/drm/i915/display/intel_fbdev.c b/drivers/gpu/drm/i915/display/intel_fbdev.c
index 3bc804212a99..bd39eb6a21b8 100644
--- a/drivers/gpu/drm/i915/display/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/display/intel_fbdev.c
@@ -146,7 +146,7 @@ static int intelfb_alloc(struct drm_fb_helper *helper,
if (IS_ERR(obj))
obj = i915_gem_object_create_shmem(dev_priv, size);
if (IS_ERR(obj)) {
- DRM_ERROR("failed to allocate framebuffer\n");
+ drm_err(&dev_priv->drm, "failed to allocate framebuffer\n");
return PTR_ERR(obj);
}
@@ -183,21 +183,23 @@ static int intelfb_create(struct drm_fb_helper *helper,
if (intel_fb &&
(sizes->fb_width > intel_fb->base.width ||
sizes->fb_height > intel_fb->base.height)) {
- DRM_DEBUG_KMS("BIOS fb too small (%dx%d), we require (%dx%d),"
- " releasing it\n",
- intel_fb->base.width, intel_fb->base.height,
- sizes->fb_width, sizes->fb_height);
+ drm_dbg_kms(&dev_priv->drm,
+ "BIOS fb too small (%dx%d), we require (%dx%d),"
+ " releasing it\n",
+ intel_fb->base.width, intel_fb->base.height,
+ sizes->fb_width, sizes->fb_height);
drm_framebuffer_put(&intel_fb->base);
intel_fb = ifbdev->fb = NULL;
}
if (!intel_fb || drm_WARN_ON(dev, !intel_fb_obj(&intel_fb->base))) {
- DRM_DEBUG_KMS("no BIOS fb, allocating a new one\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "no BIOS fb, allocating a new one\n");
ret = intelfb_alloc(helper, sizes);
if (ret)
return ret;
intel_fb = ifbdev->fb;
} else {
- DRM_DEBUG_KMS("re-using BIOS fb\n");
+ drm_dbg_kms(&dev_priv->drm, "re-using BIOS fb\n");
prealloc = true;
sizes->fb_width = intel_fb->base.width;
sizes->fb_height = intel_fb->base.height;
@@ -220,7 +222,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
info = drm_fb_helper_alloc_fbi(helper);
if (IS_ERR(info)) {
- DRM_ERROR("Failed to allocate fb_info\n");
+ drm_err(&dev_priv->drm, "Failed to allocate fb_info\n");
ret = PTR_ERR(info);
goto out_unpin;
}
@@ -240,7 +242,8 @@ static int intelfb_create(struct drm_fb_helper *helper,
vaddr = i915_vma_pin_iomap(vma);
if (IS_ERR(vaddr)) {
- DRM_ERROR("Failed to remap framebuffer into virtual memory\n");
+ drm_err(&dev_priv->drm,
+ "Failed to remap framebuffer into virtual memory\n");
ret = PTR_ERR(vaddr);
goto out_unpin;
}
@@ -258,9 +261,9 @@ static int intelfb_create(struct drm_fb_helper *helper,
/* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
- DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x\n",
- ifbdev->fb->base.width, ifbdev->fb->base.height,
- i915_ggtt_offset(vma));
+ drm_dbg_kms(&dev_priv->drm, "allocated %dx%d fb: 0x%08x\n",
+ ifbdev->fb->base.width, ifbdev->fb->base.height,
+ i915_ggtt_offset(vma));
ifbdev->vma = vma;
ifbdev->vma_flags = flags;
@@ -309,6 +312,7 @@ static void intel_fbdev_destroy(struct intel_fbdev *ifbdev)
static bool intel_fbdev_init_bios(struct drm_device *dev,
struct intel_fbdev *ifbdev)
{
+ struct drm_i915_private *i915 = to_i915(dev);
struct intel_framebuffer *fb = NULL;
struct drm_crtc *crtc;
struct intel_crtc *intel_crtc;
@@ -321,21 +325,24 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
intel_crtc = to_intel_crtc(crtc);
if (!crtc->state->active || !obj) {
- DRM_DEBUG_KMS("pipe %c not active or no fb, skipping\n",
- pipe_name(intel_crtc->pipe));
+ drm_dbg_kms(&i915->drm,
+ "pipe %c not active or no fb, skipping\n",
+ pipe_name(intel_crtc->pipe));
continue;
}
if (obj->base.size > max_size) {
- DRM_DEBUG_KMS("found possible fb from plane %c\n",
- pipe_name(intel_crtc->pipe));
+ drm_dbg_kms(&i915->drm,
+ "found possible fb from plane %c\n",
+ pipe_name(intel_crtc->pipe));
fb = to_intel_framebuffer(crtc->primary->state->fb);
max_size = obj->base.size;
}
}
if (!fb) {
- DRM_DEBUG_KMS("no active fbs found, not using BIOS config\n");
+ drm_dbg_kms(&i915->drm,
+ "no active fbs found, not using BIOS config\n");
goto out;
}
@@ -346,13 +353,14 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
intel_crtc = to_intel_crtc(crtc);
if (!crtc->state->active) {
- DRM_DEBUG_KMS("pipe %c not active, skipping\n",
- pipe_name(intel_crtc->pipe));
+ drm_dbg_kms(&i915->drm,
+ "pipe %c not active, skipping\n",
+ pipe_name(intel_crtc->pipe));
continue;
}
- DRM_DEBUG_KMS("checking plane %c for BIOS fb\n",
- pipe_name(intel_crtc->pipe));
+ drm_dbg_kms(&i915->drm, "checking plane %c for BIOS fb\n",
+ pipe_name(intel_crtc->pipe));
/*
* See if the plane fb we found above will fit on this
@@ -362,9 +370,10 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
cur_size = crtc->state->adjusted_mode.crtc_hdisplay;
cur_size = cur_size * fb->base.format->cpp[0];
if (fb->base.pitches[0] < cur_size) {
- DRM_DEBUG_KMS("fb not wide enough for plane %c (%d vs %d)\n",
- pipe_name(intel_crtc->pipe),
- cur_size, fb->base.pitches[0]);
+ drm_dbg_kms(&i915->drm,
+ "fb not wide enough for plane %c (%d vs %d)\n",
+ pipe_name(intel_crtc->pipe),
+ cur_size, fb->base.pitches[0]);
fb = NULL;
break;
}
@@ -372,28 +381,32 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
cur_size = crtc->state->adjusted_mode.crtc_vdisplay;
cur_size = intel_fb_align_height(&fb->base, 0, cur_size);
cur_size *= fb->base.pitches[0];
- DRM_DEBUG_KMS("pipe %c area: %dx%d, bpp: %d, size: %d\n",
- pipe_name(intel_crtc->pipe),
- crtc->state->adjusted_mode.crtc_hdisplay,
- crtc->state->adjusted_mode.crtc_vdisplay,
- fb->base.format->cpp[0] * 8,
- cur_size);
+ drm_dbg_kms(&i915->drm,
+ "pipe %c area: %dx%d, bpp: %d, size: %d\n",
+ pipe_name(intel_crtc->pipe),
+ crtc->state->adjusted_mode.crtc_hdisplay,
+ crtc->state->adjusted_mode.crtc_vdisplay,
+ fb->base.format->cpp[0] * 8,
+ cur_size);
if (cur_size > max_size) {
- DRM_DEBUG_KMS("fb not big enough for plane %c (%d vs %d)\n",
- pipe_name(intel_crtc->pipe),
- cur_size, max_size);
+ drm_dbg_kms(&i915->drm,
+ "fb not big enough for plane %c (%d vs %d)\n",
+ pipe_name(intel_crtc->pipe),
+ cur_size, max_size);
fb = NULL;
break;
}
- DRM_DEBUG_KMS("fb big enough for plane %c (%d >= %d)\n",
- pipe_name(intel_crtc->pipe),
- max_size, cur_size);
+ drm_dbg_kms(&i915->drm,
+ "fb big enough for plane %c (%d >= %d)\n",
+ pipe_name(intel_crtc->pipe),
+ max_size, cur_size);
}
if (!fb) {
- DRM_DEBUG_KMS("BIOS fb not suitable for all pipes, not using\n");
+ drm_dbg_kms(&i915->drm,
+ "BIOS fb not suitable for all pipes, not using\n");
goto out;
}
@@ -415,7 +428,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
}
- DRM_DEBUG_KMS("using BIOS fb for initial console\n");
+ drm_dbg_kms(&i915->drm, "using BIOS fb for initial console\n");
return true;
out:
@@ -522,8 +535,9 @@ void intel_fbdev_fini(struct drm_i915_private *dev_priv)
* processing, fbdev will perform a full connector reprobe if a hotplug event
* was received while HPD was suspended.
*/
-static void intel_fbdev_hpd_set_suspend(struct intel_fbdev *ifbdev, int state)
+static void intel_fbdev_hpd_set_suspend(struct drm_i915_private *i915, int state)
{
+ struct intel_fbdev *ifbdev = i915->fbdev;
bool send_hpd = false;
mutex_lock(&ifbdev->hpd_lock);
@@ -533,7 +547,7 @@ static void intel_fbdev_hpd_set_suspend(struct intel_fbdev *ifbdev, int state)
mutex_unlock(&ifbdev->hpd_lock);
if (send_hpd) {
- DRM_DEBUG_KMS("Handling delayed fbcon HPD event\n");
+ drm_dbg_kms(&i915->drm, "Handling delayed fbcon HPD event\n");
drm_fb_helper_hotplug_event(&ifbdev->helper);
}
}
@@ -588,7 +602,7 @@ void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous
drm_fb_helper_set_suspend(&ifbdev->helper, state);
console_unlock();
- intel_fbdev_hpd_set_suspend(ifbdev, state);
+ intel_fbdev_hpd_set_suspend(dev_priv, state);
}
void intel_fbdev_output_poll_changed(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index 6cb02c912acc..2979ed2588eb 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -302,12 +302,14 @@ void intel_frontbuffer_track(struct intel_frontbuffer *old,
BITS_PER_TYPE(atomic_t));
if (old) {
- WARN_ON(!(atomic_read(&old->bits) & frontbuffer_bits));
+ drm_WARN_ON(old->obj->base.dev,
+ !(atomic_read(&old->bits) & frontbuffer_bits));
atomic_andnot(frontbuffer_bits, &old->bits);
}
if (new) {
- WARN_ON(atomic_read(&new->bits) & frontbuffer_bits);
+ drm_WARN_ON(new->obj->base.dev,
+ atomic_read(&new->bits) & frontbuffer_bits);
atomic_or(frontbuffer_bits, &new->bits);
}
}
diff --git a/drivers/gpu/drm/i915/display/intel_global_state.c b/drivers/gpu/drm/i915/display/intel_global_state.c
index a0cc894c3868..212d4ee68205 100644
--- a/drivers/gpu/drm/i915/display/intel_global_state.c
+++ b/drivers/gpu/drm/i915/display/intel_global_state.c
@@ -64,13 +64,14 @@ static void assert_global_state_read_locked(struct intel_atomic_state *state)
return;
}
- WARN(1, "Global state not read locked\n");
+ drm_WARN(&dev_priv->drm, 1, "Global state not read locked\n");
}
struct intel_global_state *
intel_atomic_get_global_obj_state(struct intel_atomic_state *state,
struct intel_global_obj *obj)
{
+ struct drm_i915_private *i915 = to_i915(state->base.dev);
int index, num_objs, i;
size_t size;
struct __intel_global_objs_state *arr;
@@ -106,8 +107,8 @@ intel_atomic_get_global_obj_state(struct intel_atomic_state *state,
state->num_global_objs = num_objs;
- DRM_DEBUG_ATOMIC("Added new global object %p state %p to %p\n",
- obj, obj_state, state);
+ drm_dbg_atomic(&i915->drm, "Added new global object %p state %p to %p\n",
+ obj, obj_state, state);
return obj_state;
}
@@ -147,7 +148,7 @@ void intel_atomic_swap_global_state(struct intel_atomic_state *state)
for_each_oldnew_global_obj_in_state(state, obj, old_obj_state,
new_obj_state, i) {
- WARN_ON(obj->state != old_obj_state);
+ drm_WARN_ON(&dev_priv->drm, obj->state != old_obj_state);
/*
* If the new state wasn't modified (and properly
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index 1fd3a5a6296b..a8d119b6b45c 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -379,8 +379,7 @@ gmbus_wait_idle(struct drm_i915_private *dev_priv)
return ret;
}
-static inline
-unsigned int gmbus_max_xfer_size(struct drm_i915_private *dev_priv)
+static unsigned int gmbus_max_xfer_size(struct drm_i915_private *dev_priv)
{
return INTEL_GEN(dev_priv) >= 9 ? GEN9_GMBUS_BYTE_COUNT_MAX :
GMBUS_BYTE_COUNT_MAX;
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index ee0f27ea2810..2cbc4619b4ce 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -109,18 +109,16 @@ bool intel_hdcp2_capable(struct intel_connector *connector)
return capable;
}
-static inline
-bool intel_hdcp_in_use(struct drm_i915_private *dev_priv,
- enum transcoder cpu_transcoder, enum port port)
+static bool intel_hdcp_in_use(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder, enum port port)
{
return intel_de_read(dev_priv,
HDCP_STATUS(dev_priv, cpu_transcoder, port)) &
HDCP_STATUS_ENC;
}
-static inline
-bool intel_hdcp2_in_use(struct drm_i915_private *dev_priv,
- enum transcoder cpu_transcoder, enum port port)
+static bool intel_hdcp2_in_use(struct drm_i915_private *dev_priv,
+ enum transcoder cpu_transcoder, enum port port)
{
return intel_de_read(dev_priv,
HDCP2_STATUS(dev_priv, cpu_transcoder, port)) &
@@ -853,8 +851,7 @@ static int _intel_hdcp_enable(struct intel_connector *connector)
return ret;
}
-static inline
-struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp)
+static struct intel_connector *intel_hdcp_to_connector(struct intel_hdcp *hdcp)
{
return container_of(hdcp, struct intel_connector, hdcp);
}
@@ -1391,6 +1388,7 @@ static
int hdcp2_propagate_stream_management_info(struct intel_connector *connector)
{
struct intel_digital_port *intel_dig_port = intel_attached_dig_port(connector);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_hdcp *hdcp = &connector->hdcp;
union {
struct hdcp2_rep_stream_manage stream_manage;
@@ -1431,7 +1429,7 @@ int hdcp2_propagate_stream_management_info(struct intel_connector *connector)
hdcp->seq_num_m++;
if (hdcp->seq_num_m > HDCP_2_2_SEQ_NUM_MAX) {
- DRM_DEBUG_KMS("seq_num_m roll over.\n");
+ drm_dbg_kms(&i915->drm, "seq_num_m roll over.\n");
return -1;
}
@@ -1855,8 +1853,7 @@ static const struct component_ops i915_hdcp_component_ops = {
.unbind = i915_hdcp_component_unbind,
};
-static inline
-enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port)
+static enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port)
{
switch (port) {
case PORT_A:
@@ -1868,8 +1865,7 @@ enum mei_fw_ddi intel_get_mei_fw_ddi_index(enum port port)
}
}
-static inline
-enum mei_fw_tc intel_get_mei_fw_tc(enum transcoder cpu_transcoder)
+static enum mei_fw_tc intel_get_mei_fw_tc(enum transcoder cpu_transcoder)
{
switch (cpu_transcoder) {
case TRANSCODER_A ... TRANSCODER_D:
@@ -1879,8 +1875,8 @@ enum mei_fw_tc intel_get_mei_fw_tc(enum transcoder cpu_transcoder)
}
}
-static inline int initialize_hdcp_port_data(struct intel_connector *connector,
- const struct intel_hdcp_shim *shim)
+static int initialize_hdcp_port_data(struct intel_connector *connector,
+ const struct intel_hdcp_shim *shim)
{
struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
struct intel_hdcp *hdcp = &connector->hdcp;
@@ -2075,7 +2071,8 @@ int intel_hdcp_disable(struct intel_connector *connector)
return ret;
}
-void intel_hdcp_update_pipe(struct intel_encoder *encoder,
+void intel_hdcp_update_pipe(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.h b/drivers/gpu/drm/i915/display/intel_hdcp.h
index 7c12ad609b1f..86bbaec120cc 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.h
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.h
@@ -11,6 +11,7 @@
struct drm_connector;
struct drm_connector_state;
struct drm_i915_private;
+struct intel_atomic_state;
struct intel_connector;
struct intel_crtc_state;
struct intel_encoder;
@@ -26,7 +27,8 @@ int intel_hdcp_init(struct intel_connector *connector,
int intel_hdcp_enable(struct intel_connector *connector,
enum transcoder cpu_transcoder, u8 content_type);
int intel_hdcp_disable(struct intel_connector *connector);
-void intel_hdcp_update_pipe(struct intel_encoder *encoder,
+void intel_hdcp_update_pipe(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
bool is_hdcp_supported(struct drm_i915_private *dev_priv, enum port port);
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 39930232b253..010f37240710 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -44,7 +44,6 @@
#include "intel_audio.h"
#include "intel_connector.h"
#include "intel_ddi.h"
-#include "intel_display_debugfs.h"
#include "intel_display_types.h"
#include "intel_dp.h"
#include "intel_dpio_phy.h"
@@ -707,13 +706,15 @@ void intel_read_infoframe(struct intel_encoder *encoder,
/* see comment above for the reason for this offset */
ret = hdmi_infoframe_unpack(frame, buffer + 1, sizeof(buffer) - 1);
if (ret) {
- DRM_DEBUG_KMS("Failed to unpack infoframe type 0x%02x\n", type);
+ drm_dbg_kms(encoder->base.dev,
+ "Failed to unpack infoframe type 0x%02x\n", type);
return;
}
if (frame->any.type != type)
- DRM_DEBUG_KMS("Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
- frame->any.type, type);
+ drm_dbg_kms(encoder->base.dev,
+ "Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
+ frame->any.type, type);
}
static bool
@@ -853,7 +854,8 @@ intel_hdmi_compute_drm_infoframe(struct intel_encoder *encoder,
ret = drm_hdmi_infoframe_set_hdr_metadata(frame, conn_state);
if (ret < 0) {
- DRM_DEBUG_KMS("couldn't set HDR metadata in infoframe\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "couldn't set HDR metadata in infoframe\n");
return false;
}
@@ -893,8 +895,9 @@ static void g4x_set_infoframes(struct intel_encoder *encoder,
if (!(val & VIDEO_DIP_ENABLE))
return;
if (port != (val & VIDEO_DIP_PORT_MASK)) {
- DRM_DEBUG_KMS("video DIP still enabled on port %c\n",
- (val & VIDEO_DIP_PORT_MASK) >> 29);
+ drm_dbg_kms(&dev_priv->drm,
+ "video DIP still enabled on port %c\n",
+ (val & VIDEO_DIP_PORT_MASK) >> 29);
return;
}
val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI |
@@ -906,8 +909,9 @@ static void g4x_set_infoframes(struct intel_encoder *encoder,
if (port != (val & VIDEO_DIP_PORT_MASK)) {
if (val & VIDEO_DIP_ENABLE) {
- DRM_DEBUG_KMS("video DIP already enabled on port %c\n",
- (val & VIDEO_DIP_PORT_MASK) >> 29);
+ drm_dbg_kms(&dev_priv->drm,
+ "video DIP already enabled on port %c\n",
+ (val & VIDEO_DIP_PORT_MASK) >> 29);
return;
}
val &= ~VIDEO_DIP_PORT_MASK;
@@ -1264,8 +1268,8 @@ void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable)
if (hdmi->dp_dual_mode.type < DRM_DP_DUAL_MODE_TYPE2_DVI)
return;
- DRM_DEBUG_KMS("%s DP dual mode adaptor TMDS output\n",
- enable ? "Enabling" : "Disabling");
+ drm_dbg_kms(&dev_priv->drm, "%s DP dual mode adaptor TMDS output\n",
+ enable ? "Enabling" : "Disabling");
drm_dp_dual_mode_set_tmds_output(hdmi->dp_dual_mode.type,
adapter, enable);
@@ -1346,13 +1350,14 @@ int intel_hdmi_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
ret = intel_hdmi_hdcp_write(intel_dig_port, DRM_HDCP_DDC_AN, an,
DRM_HDCP_AN_LEN);
if (ret) {
- DRM_DEBUG_KMS("Write An over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Write An over DDC failed (%d)\n",
+ ret);
return ret;
}
ret = intel_gmbus_output_aksv(adapter);
if (ret < 0) {
- DRM_DEBUG_KMS("Failed to output aksv (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Failed to output aksv (%d)\n", ret);
return ret;
}
return 0;
@@ -1361,11 +1366,14 @@ int intel_hdmi_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
static int intel_hdmi_hdcp_read_bksv(struct intel_digital_port *intel_dig_port,
u8 *bksv)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
+
int ret;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_BKSV, bksv,
DRM_HDCP_KSV_LEN);
if (ret)
- DRM_DEBUG_KMS("Read Bksv over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read Bksv over DDC failed (%d)\n",
+ ret);
return ret;
}
@@ -1373,11 +1381,14 @@ static
int intel_hdmi_hdcp_read_bstatus(struct intel_digital_port *intel_dig_port,
u8 *bstatus)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
+
int ret;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_BSTATUS,
bstatus, DRM_HDCP_BSTATUS_LEN);
if (ret)
- DRM_DEBUG_KMS("Read bstatus over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read bstatus over DDC failed (%d)\n",
+ ret);
return ret;
}
@@ -1385,12 +1396,14 @@ static
int intel_hdmi_hdcp_repeater_present(struct intel_digital_port *intel_dig_port,
bool *repeater_present)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
int ret;
u8 val;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_BCAPS, &val, 1);
if (ret) {
- DRM_DEBUG_KMS("Read bcaps over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read bcaps over DDC failed (%d)\n",
+ ret);
return ret;
}
*repeater_present = val & DRM_HDCP_DDC_BCAPS_REPEATER_PRESENT;
@@ -1401,11 +1414,14 @@ static
int intel_hdmi_hdcp_read_ri_prime(struct intel_digital_port *intel_dig_port,
u8 *ri_prime)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
+
int ret;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_RI_PRIME,
ri_prime, DRM_HDCP_RI_LEN);
if (ret)
- DRM_DEBUG_KMS("Read Ri' over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read Ri' over DDC failed (%d)\n",
+ ret);
return ret;
}
@@ -1413,12 +1429,14 @@ static
int intel_hdmi_hdcp_read_ksv_ready(struct intel_digital_port *intel_dig_port,
bool *ksv_ready)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
int ret;
u8 val;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_BCAPS, &val, 1);
if (ret) {
- DRM_DEBUG_KMS("Read bcaps over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm, "Read bcaps over DDC failed (%d)\n",
+ ret);
return ret;
}
*ksv_ready = val & DRM_HDCP_DDC_BCAPS_KSV_FIFO_READY;
@@ -1429,11 +1447,13 @@ static
int intel_hdmi_hdcp_read_ksv_fifo(struct intel_digital_port *intel_dig_port,
int num_downstream, u8 *ksv_fifo)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
int ret;
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_KSV_FIFO,
ksv_fifo, num_downstream * DRM_HDCP_KSV_LEN);
if (ret) {
- DRM_DEBUG_KMS("Read ksv fifo over DDC failed (%d)\n", ret);
+ drm_dbg_kms(&i915->drm,
+ "Read ksv fifo over DDC failed (%d)\n", ret);
return ret;
}
return 0;
@@ -1443,6 +1463,7 @@ static
int intel_hdmi_hdcp_read_v_prime_part(struct intel_digital_port *intel_dig_port,
int i, u32 *part)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
int ret;
if (i >= DRM_HDCP_V_PRIME_NUM_PARTS)
@@ -1451,7 +1472,8 @@ int intel_hdmi_hdcp_read_v_prime_part(struct intel_digital_port *intel_dig_port,
ret = intel_hdmi_hdcp_read(intel_dig_port, DRM_HDCP_DDC_V_PRIME(i),
part, DRM_HDCP_V_PRIME_PART_LEN);
if (ret)
- DRM_DEBUG_KMS("Read V'[%d] over DDC failed (%d)\n", i, ret);
+ drm_dbg_kms(&i915->drm, "Read V'[%d] over DDC failed (%d)\n",
+ i, ret);
return ret;
}
@@ -1474,12 +1496,14 @@ static int kbl_repositioning_enc_en_signal(struct intel_connector *connector)
ret = intel_ddi_toggle_hdcp_signalling(&intel_dig_port->base, false);
if (ret) {
- DRM_ERROR("Disable HDCP signalling failed (%d)\n", ret);
+ drm_err(&dev_priv->drm,
+ "Disable HDCP signalling failed (%d)\n", ret);
return ret;
}
ret = intel_ddi_toggle_hdcp_signalling(&intel_dig_port->base, true);
if (ret) {
- DRM_ERROR("Enable HDCP signalling failed (%d)\n", ret);
+ drm_err(&dev_priv->drm,
+ "Enable HDCP signalling failed (%d)\n", ret);
return ret;
}
@@ -1500,8 +1524,8 @@ int intel_hdmi_hdcp_toggle_signalling(struct intel_digital_port *intel_dig_port,
ret = intel_ddi_toggle_hdcp_signalling(&intel_dig_port->base, enable);
if (ret) {
- DRM_ERROR("%s HDCP signalling failed (%d)\n",
- enable ? "Enable" : "Disable", ret);
+ drm_err(&dev_priv->drm, "%s HDCP signalling failed (%d)\n",
+ enable ? "Enable" : "Disable", ret);
return ret;
}
@@ -1536,10 +1560,13 @@ bool intel_hdmi_hdcp_check_link(struct intel_digital_port *intel_dig_port)
intel_de_write(i915, HDCP_RPRIME(i915, cpu_transcoder, port), ri.reg);
/* Wait for Ri prime match */
- if (wait_for(intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)) &
+ if (wait_for((intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)) &
+ (HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC)) ==
(HDCP_STATUS_RI_MATCH | HDCP_STATUS_ENC), 1)) {
- DRM_ERROR("Ri' mismatch detected, link check failed (%x)\n",
- intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder, port)));
+ drm_err(&i915->drm,
+ "Ri' mismatch detected, link check failed (%x)\n",
+ intel_de_read(i915, HDCP_STATUS(i915, cpu_transcoder,
+ port)));
return false;
}
return true;
@@ -1587,17 +1614,19 @@ static int get_hdcp2_msg_timeout(u8 msg_id, bool is_paired)
return -EINVAL;
}
-static inline
-int hdcp2_detect_msg_availability(struct intel_digital_port *intel_digital_port,
- u8 msg_id, bool *msg_ready,
- ssize_t *msg_sz)
+static int
+hdcp2_detect_msg_availability(struct intel_digital_port *intel_dig_port,
+ u8 msg_id, bool *msg_ready,
+ ssize_t *msg_sz)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
u8 rx_status[HDCP_2_2_HDMI_RXSTATUS_LEN];
int ret;
- ret = intel_hdmi_hdcp2_read_rx_status(intel_digital_port, rx_status);
+ ret = intel_hdmi_hdcp2_read_rx_status(intel_dig_port, rx_status);
if (ret < 0) {
- DRM_DEBUG_KMS("rx_status read failed. Err %d\n", ret);
+ drm_dbg_kms(&i915->drm, "rx_status read failed. Err %d\n",
+ ret);
return ret;
}
@@ -1617,6 +1646,7 @@ static ssize_t
intel_hdmi_hdcp2_wait_for_msg(struct intel_digital_port *intel_dig_port,
u8 msg_id, bool paired)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
bool msg_ready = false;
int timeout, ret;
ssize_t msg_sz = 0;
@@ -1631,8 +1661,8 @@ intel_hdmi_hdcp2_wait_for_msg(struct intel_digital_port *intel_dig_port,
!ret && msg_ready && msg_sz, timeout * 1000,
1000, 5 * 1000);
if (ret)
- DRM_DEBUG_KMS("msg_id: %d, ret: %d, timeout: %d\n",
- msg_id, ret, timeout);
+ drm_dbg_kms(&i915->drm, "msg_id: %d, ret: %d, timeout: %d\n",
+ msg_id, ret, timeout);
return ret ? ret : msg_sz;
}
@@ -1651,6 +1681,7 @@ static
int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *intel_dig_port,
u8 msg_id, void *buf, size_t size)
{
+ struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
struct intel_hdmi *hdmi = &intel_dig_port->hdmi;
struct intel_hdcp *hdcp = &hdmi->attached_connector->hdcp;
unsigned int offset;
@@ -1666,15 +1697,17 @@ int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *intel_dig_port,
* available buffer.
*/
if (ret > size) {
- DRM_DEBUG_KMS("msg_sz(%zd) is more than exp size(%zu)\n",
- ret, size);
+ drm_dbg_kms(&i915->drm,
+ "msg_sz(%zd) is more than exp size(%zu)\n",
+ ret, size);
return -1;
}
offset = HDCP_2_2_HDMI_REG_RD_MSG_OFFSET;
ret = intel_hdmi_hdcp_read(intel_dig_port, offset, buf, ret);
if (ret)
- DRM_DEBUG_KMS("Failed to read msg_id: %d(%zd)\n", msg_id, ret);
+ drm_dbg_kms(&i915->drm, "Failed to read msg_id: %d(%zd)\n",
+ msg_id, ret);
return ret;
}
@@ -1717,12 +1750,6 @@ int intel_hdmi_hdcp2_capable(struct intel_digital_port *intel_dig_port,
return ret;
}
-static inline
-enum hdcp_wired_protocol intel_hdmi_hdcp2_protocol(void)
-{
- return HDCP_PROTOCOL_HDMI;
-}
-
static const struct intel_hdcp_shim intel_hdmi_hdcp_shim = {
.write_an_aksv = intel_hdmi_hdcp_write_an_aksv,
.read_bksv = intel_hdmi_hdcp_read_bksv,
@@ -1870,15 +1897,17 @@ static void intel_enable_hdmi_audio(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
- drm_WARN_ON(encoder->base.dev, !pipe_config->has_hdmi_sink);
- DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n",
- pipe_name(crtc->pipe));
+ drm_WARN_ON(&i915->drm, !pipe_config->has_hdmi_sink);
+ drm_dbg_kms(&i915->drm, "Enabling HDMI audio on pipe %c\n",
+ pipe_name(crtc->pipe));
intel_audio_codec_enable(encoder, pipe_config, conn_state);
}
-static void g4x_enable_hdmi(struct intel_encoder *encoder,
+static void g4x_enable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -1900,7 +1929,8 @@ static void g4x_enable_hdmi(struct intel_encoder *encoder,
intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
}
-static void ibx_enable_hdmi(struct intel_encoder *encoder,
+static void ibx_enable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -1951,7 +1981,8 @@ static void ibx_enable_hdmi(struct intel_encoder *encoder,
intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
}
-static void cpt_enable_hdmi(struct intel_encoder *encoder,
+static void cpt_enable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2004,13 +2035,15 @@ static void cpt_enable_hdmi(struct intel_encoder *encoder,
intel_enable_hdmi_audio(encoder, pipe_config, conn_state);
}
-static void vlv_enable_hdmi(struct intel_encoder *encoder,
+static void vlv_enable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
}
-static void intel_disable_hdmi(struct intel_encoder *encoder,
+static void intel_disable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -2068,7 +2101,8 @@ static void intel_disable_hdmi(struct intel_encoder *encoder,
intel_dp_dual_mode_set_tmds_output(intel_hdmi, false);
}
-static void g4x_disable_hdmi(struct intel_encoder *encoder,
+static void g4x_disable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -2076,10 +2110,11 @@ static void g4x_disable_hdmi(struct intel_encoder *encoder,
intel_audio_codec_disable(encoder,
old_crtc_state, old_conn_state);
- intel_disable_hdmi(encoder, old_crtc_state, old_conn_state);
+ intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
}
-static void pch_disable_hdmi(struct intel_encoder *encoder,
+static void pch_disable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -2088,11 +2123,12 @@ static void pch_disable_hdmi(struct intel_encoder *encoder,
old_crtc_state, old_conn_state);
}
-static void pch_post_disable_hdmi(struct intel_encoder *encoder,
+static void pch_post_disable_hdmi(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_hdmi(encoder, old_crtc_state, old_conn_state);
+ intel_disable_hdmi(state, encoder, old_crtc_state, old_conn_state);
}
static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
@@ -2285,29 +2321,27 @@ static bool hdmi_deep_color_possible(const struct intel_crtc_state *crtc_state,
return true;
}
-static bool
-intel_hdmi_ycbcr420_config(struct drm_connector *connector,
- struct intel_crtc_state *config)
+static int
+intel_hdmi_ycbcr420_config(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct intel_crtc *intel_crtc = to_intel_crtc(config->uapi.crtc);
-
- if (!connector->ycbcr_420_allowed) {
- DRM_ERROR("Platform doesn't support YCBCR420 output\n");
- return false;
- }
+ struct drm_connector *connector = conn_state->connector;
+ struct drm_i915_private *i915 = to_i915(connector->dev);
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
- config->output_format = INTEL_OUTPUT_FORMAT_YCBCR420;
+ if (!drm_mode_is_420_only(&connector->display_info, adjusted_mode))
+ return 0;
- /* YCBCR 420 output conversion needs a scaler */
- if (skl_update_scaler_crtc(config)) {
- DRM_DEBUG_KMS("Scaler allocation for output failed\n");
- return false;
+ if (!connector->ycbcr_420_allowed) {
+ drm_err(&i915->drm,
+ "Platform doesn't support YCBCR420 output\n");
+ return -EINVAL;
}
- intel_pch_panel_fitting(intel_crtc, config,
- DRM_MODE_SCALE_FULLSCREEN);
+ crtc_state->output_format = INTEL_OUTPUT_FORMAT_YCBCR420;
- return true;
+ return intel_pch_panel_fitting(crtc_state, conn_state);
}
static int intel_hdmi_port_clock(int clock, int bpc)
@@ -2341,6 +2375,7 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
struct intel_crtc_state *crtc_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
const struct drm_display_mode *adjusted_mode =
&crtc_state->hw.adjusted_mode;
@@ -2365,13 +2400,15 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
if (crtc_state->pipe_bpp > bpc * 3)
crtc_state->pipe_bpp = bpc * 3;
- DRM_DEBUG_KMS("picking %d bpc for HDMI output (pipe bpp: %d)\n",
- bpc, crtc_state->pipe_bpp);
+ drm_dbg_kms(&i915->drm,
+ "picking %d bpc for HDMI output (pipe bpp: %d)\n",
+ bpc, crtc_state->pipe_bpp);
if (hdmi_port_clock_valid(intel_hdmi, crtc_state->port_clock,
false, crtc_state->has_hdmi_sink) != MODE_OK) {
- DRM_DEBUG_KMS("unsupported HDMI clock (%d kHz), rejecting mode\n",
- crtc_state->port_clock);
+ drm_dbg_kms(&i915->drm,
+ "unsupported HDMI clock (%d kHz), rejecting mode\n",
+ crtc_state->port_clock);
return -EINVAL;
}
@@ -2432,12 +2469,9 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
pipe_config->pixel_multiplier = 2;
- if (drm_mode_is_420_only(&connector->display_info, adjusted_mode)) {
- if (!intel_hdmi_ycbcr420_config(connector, pipe_config)) {
- DRM_ERROR("Can't support YCBCR420 output\n");
- return -EINVAL;
- }
- }
+ ret = intel_hdmi_ycbcr420_config(pipe_config, conn_state);
+ if (ret)
+ return ret;
pipe_config->limited_color_range =
intel_hdmi_limited_color_range(pipe_config, conn_state);
@@ -2474,25 +2508,26 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
}
}
- intel_hdmi_compute_gcp_infoframe(encoder, pipe_config, conn_state);
+ intel_hdmi_compute_gcp_infoframe(encoder, pipe_config,
+ conn_state);
if (!intel_hdmi_compute_avi_infoframe(encoder, pipe_config, conn_state)) {
- DRM_DEBUG_KMS("bad AVI infoframe\n");
+ drm_dbg_kms(&dev_priv->drm, "bad AVI infoframe\n");
return -EINVAL;
}
if (!intel_hdmi_compute_spd_infoframe(encoder, pipe_config, conn_state)) {
- DRM_DEBUG_KMS("bad SPD infoframe\n");
+ drm_dbg_kms(&dev_priv->drm, "bad SPD infoframe\n");
return -EINVAL;
}
if (!intel_hdmi_compute_hdmi_infoframe(encoder, pipe_config, conn_state)) {
- DRM_DEBUG_KMS("bad HDMI infoframe\n");
+ drm_dbg_kms(&dev_priv->drm, "bad HDMI infoframe\n");
return -EINVAL;
}
if (!intel_hdmi_compute_drm_infoframe(encoder, pipe_config, conn_state)) {
- DRM_DEBUG_KMS("bad DRM infoframe\n");
+ drm_dbg_kms(&dev_priv->drm, "bad DRM infoframe\n");
return -EINVAL;
}
@@ -2542,7 +2577,8 @@ intel_hdmi_dp_dual_mode_detect(struct drm_connector *connector, bool has_edid)
*/
if (has_edid && !connector->override_edid &&
intel_bios_is_port_dp_dual_mode(dev_priv, port)) {
- DRM_DEBUG_KMS("Assuming DP dual mode adaptor presence based on VBT\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Assuming DP dual mode adaptor presence based on VBT\n");
type = DRM_DP_DUAL_MODE_TYPE1_DVI;
} else {
type = DRM_DP_DUAL_MODE_NONE;
@@ -2556,9 +2592,10 @@ intel_hdmi_dp_dual_mode_detect(struct drm_connector *connector, bool has_edid)
hdmi->dp_dual_mode.max_tmds_clock =
drm_dp_dual_mode_max_tmds_clock(type, adapter);
- DRM_DEBUG_KMS("DP dual mode adaptor (%s) detected (max TMDS clock: %d kHz)\n",
- drm_dp_get_dual_mode_type_name(type),
- hdmi->dp_dual_mode.max_tmds_clock);
+ drm_dbg_kms(&dev_priv->drm,
+ "DP dual mode adaptor (%s) detected (max TMDS clock: %d kHz)\n",
+ drm_dp_get_dual_mode_type_name(type),
+ hdmi->dp_dual_mode.max_tmds_clock);
}
static bool
@@ -2578,7 +2615,8 @@ intel_hdmi_set_edid(struct drm_connector *connector)
edid = drm_get_edid(connector, i2c);
if (!edid && !intel_gmbus_is_forced_bit(i2c)) {
- DRM_DEBUG_KMS("HDMI GMBUS EDID read failed, retry using GPIO bit-banging\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "HDMI GMBUS EDID read failed, retry using GPIO bit-banging\n");
intel_gmbus_force_bit(i2c, true);
edid = drm_get_edid(connector, i2c);
intel_gmbus_force_bit(i2c, false);
@@ -2610,8 +2648,8 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
struct intel_encoder *encoder = &hdmi_to_dig_port(intel_hdmi)->base;
intel_wakeref_t wakeref;
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
- connector->base.id, connector->name);
+ drm_dbg_kms(&dev_priv->drm, "[CONNECTOR:%d:%s]\n",
+ connector->base.id, connector->name);
wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
@@ -2642,8 +2680,10 @@ out:
static void
intel_hdmi_force(struct drm_connector *connector)
{
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
- connector->base.id, connector->name);
+ struct drm_i915_private *i915 = to_i915(connector->dev);
+
+ drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s]\n",
+ connector->base.id, connector->name);
intel_hdmi_unset_edid(connector);
@@ -2664,7 +2704,8 @@ static int intel_hdmi_get_modes(struct drm_connector *connector)
return intel_connector_update_modes(connector, edid);
}
-static void intel_hdmi_pre_enable(struct intel_encoder *encoder,
+static void intel_hdmi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2678,7 +2719,8 @@ static void intel_hdmi_pre_enable(struct intel_encoder *encoder,
pipe_config, conn_state);
}
-static void vlv_hdmi_pre_enable(struct intel_encoder *encoder,
+static void vlv_hdmi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2695,12 +2737,13 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder,
pipe_config->has_infoframe,
pipe_config, conn_state);
- g4x_enable_hdmi(encoder, pipe_config, conn_state);
+ g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
vlv_wait_port_ready(dev_priv, dport, 0x0);
}
-static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder,
+static void vlv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2709,7 +2752,8 @@ static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder,
vlv_phy_pre_pll_enable(encoder, pipe_config);
}
-static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder,
+static void chv_hdmi_pre_pll_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2718,14 +2762,16 @@ static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder,
chv_phy_pre_pll_enable(encoder, pipe_config);
}
-static void chv_hdmi_post_pll_disable(struct intel_encoder *encoder,
+static void chv_hdmi_post_pll_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
chv_phy_post_pll_disable(encoder, old_crtc_state);
}
-static void vlv_hdmi_post_disable(struct intel_encoder *encoder,
+static void vlv_hdmi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -2733,7 +2779,8 @@ static void vlv_hdmi_post_disable(struct intel_encoder *encoder,
vlv_phy_reset_lanes(encoder, old_crtc_state);
}
-static void chv_hdmi_post_disable(struct intel_encoder *encoder,
+static void chv_hdmi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -2748,7 +2795,8 @@ static void chv_hdmi_post_disable(struct intel_encoder *encoder,
vlv_dpio_put(dev_priv);
}
-static void chv_hdmi_pre_enable(struct intel_encoder *encoder,
+static void chv_hdmi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -2766,7 +2814,7 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder,
pipe_config->has_infoframe,
pipe_config, conn_state);
- g4x_enable_hdmi(encoder, pipe_config, conn_state);
+ g4x_enable_hdmi(state, encoder, pipe_config, conn_state);
vlv_wait_port_ready(dev_priv, dport, 0x0);
@@ -2785,6 +2833,7 @@ intel_hdmi_get_i2c_adapter(struct drm_connector *connector)
static void intel_hdmi_create_i2c_symlink(struct drm_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(connector->dev);
struct i2c_adapter *adapter = intel_hdmi_get_i2c_adapter(connector);
struct kobject *i2c_kobj = &adapter->dev.kobj;
struct kobject *connector_kobj = &connector->kdev->kobj;
@@ -2792,7 +2841,7 @@ static void intel_hdmi_create_i2c_symlink(struct drm_connector *connector)
ret = sysfs_create_link(connector_kobj, i2c_kobj, i2c_kobj->name);
if (ret)
- DRM_ERROR("Failed to create i2c symlink (%d)\n", ret);
+ drm_err(&i915->drm, "Failed to create i2c symlink (%d)\n", ret);
}
static void intel_hdmi_remove_i2c_symlink(struct drm_connector *connector)
@@ -2813,8 +2862,6 @@ intel_hdmi_connector_register(struct drm_connector *connector)
if (ret)
return ret;
- intel_connector_debugfs_add(connector);
-
intel_hdmi_create_i2c_symlink(connector);
return ret;
@@ -2921,9 +2968,10 @@ bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
if (!sink_scrambling->supported)
return true;
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] scrambling=%s, TMDS bit clock ratio=1/%d\n",
- connector->base.id, connector->name,
- yesno(scrambling), high_tmds_clock_ratio ? 40 : 10);
+ drm_dbg_kms(&dev_priv->drm,
+ "[CONNECTOR:%d:%s] scrambling=%s, TMDS bit clock ratio=1/%d\n",
+ connector->base.id, connector->name,
+ yesno(scrambling), high_tmds_clock_ratio ? 40 : 10);
/* Set TMDS bit clock ratio to 1/40 or 1/10, and enable/disable scrambling */
return drm_scdc_set_high_tmds_clock_ratio(adapter,
@@ -3065,8 +3113,9 @@ static u8 intel_hdmi_ddc_pin(struct intel_encoder *encoder)
ddc_pin = intel_bios_alternate_ddc_pin(encoder);
if (ddc_pin) {
- DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n",
- ddc_pin, port_name(port));
+ drm_dbg_kms(&dev_priv->drm,
+ "Using DDC pin 0x%x for port %c (VBT)\n",
+ ddc_pin, port_name(port));
return ddc_pin;
}
@@ -3083,8 +3132,9 @@ static u8 intel_hdmi_ddc_pin(struct intel_encoder *encoder)
else
ddc_pin = g4x_port_to_ddc_pin(dev_priv, port);
- DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n",
- ddc_pin, port_name(port));
+ drm_dbg_kms(&dev_priv->drm,
+ "Using DDC pin 0x%x for port %c (platform default)\n",
+ ddc_pin, port_name(port));
return ddc_pin;
}
@@ -3141,8 +3191,9 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
enum port port = intel_encoder->port;
struct cec_connector_info conn_info;
- DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n",
- intel_encoder->base.base.id, intel_encoder->base.name);
+ drm_dbg_kms(&dev_priv->drm,
+ "Adding HDMI connector on [ENCODER:%d:%s]\n",
+ intel_encoder->base.base.id, intel_encoder->base.name);
if (INTEL_GEN(dev_priv) < 12 && drm_WARN_ON(dev, port == PORT_A))
return;
@@ -3186,7 +3237,8 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
int ret = intel_hdcp_init(intel_connector,
&intel_hdmi_hdcp_shim);
if (ret)
- DRM_DEBUG_KMS("HDCP init failed, skipping.\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "HDCP init failed, skipping.\n");
}
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
@@ -3205,16 +3257,16 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
cec_notifier_conn_register(dev->dev, port_identifier(port),
&conn_info);
if (!intel_hdmi->cec_notifier)
- DRM_DEBUG_KMS("CEC notifier get failed\n");
+ drm_dbg_kms(&dev_priv->drm, "CEC notifier get failed\n");
}
static enum intel_hotplug_state
intel_hdmi_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector, bool irq_received)
+ struct intel_connector *connector)
{
enum intel_hotplug_state state;
- state = intel_encoder_hotplug(encoder, connector, irq_received);
+ state = intel_encoder_hotplug(encoder, connector);
/*
* On many platforms the HDMI live state signal is known to be
@@ -3228,7 +3280,7 @@ intel_hdmi_hotplug(struct intel_encoder *encoder,
* time around we didn't detect any change in the sink's connection
* status.
*/
- if (state == INTEL_HOTPLUG_UNCHANGED && irq_received)
+ if (state == INTEL_HOTPLUG_UNCHANGED && !connector->hotplug_retries)
state = INTEL_HOTPLUG_RETRY;
return state;
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index a091442efba4..4f6f560e093e 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -270,8 +270,7 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
enum intel_hotplug_state
intel_encoder_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received)
+ struct intel_connector *connector)
{
struct drm_device *dev = connector->base.dev;
enum drm_connector_status old_status;
@@ -392,12 +391,17 @@ static void i915_hotplug_work_func(struct work_struct *work)
struct intel_encoder *encoder =
intel_attached_encoder(connector);
+ if (hpd_event_bits & hpd_bit)
+ connector->hotplug_retries = 0;
+ else
+ connector->hotplug_retries++;
+
drm_dbg_kms(&dev_priv->drm,
- "Connector %s (pin %i) received hotplug event.\n",
- connector->base.name, pin);
+ "Connector %s (pin %i) received hotplug event. (retry %d)\n",
+ connector->base.name, pin,
+ connector->hotplug_retries);
- switch (encoder->hotplug(encoder, connector,
- hpd_event_bits & hpd_bit)) {
+ switch (encoder->hotplug(encoder, connector)) {
case INTEL_HOTPLUG_UNCHANGED:
break;
case INTEL_HOTPLUG_CHANGED:
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h
index 1e6b4fda2900..777b0743257e 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.h
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.h
@@ -15,8 +15,7 @@ enum port;
void intel_hpd_poll_init(struct drm_i915_private *dev_priv);
enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received);
+ struct intel_connector *connector);
void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
u32 pin_mask, u32 long_mask);
void intel_hpd_init(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index d807c5648c87..6ff7b226f0a1 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -522,7 +522,7 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config)
{
/* FIXME actually read this from the hw */
- return enc_to_intel_lspcon(encoder)->active;
+ return 0;
}
void lspcon_resume(struct intel_lspcon *lspcon)
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c
index 9a067effcfa0..872f2a489339 100644
--- a/drivers/gpu/drm/i915/display/intel_lvds.c
+++ b/drivers/gpu/drm/i915/display/intel_lvds.c
@@ -220,7 +220,8 @@ static void intel_lvds_pps_init_hw(struct drm_i915_private *dev_priv,
REG_FIELD_PREP(PP_REFERENCE_DIVIDER_MASK, pps->divider) | REG_FIELD_PREP(PANEL_POWER_CYCLE_DELAY_MASK, DIV_ROUND_UP(pps->t4, 1000) + 1));
}
-static void intel_pre_enable_lvds(struct intel_encoder *encoder,
+static void intel_pre_enable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -301,7 +302,8 @@ static void intel_pre_enable_lvds(struct intel_encoder *encoder,
/*
* Sets the power state for the panel.
*/
-static void intel_enable_lvds(struct intel_encoder *encoder,
+static void intel_enable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -323,7 +325,8 @@ static void intel_enable_lvds(struct intel_encoder *encoder,
intel_panel_enable_backlight(pipe_config, conn_state);
}
-static void intel_disable_lvds(struct intel_encoder *encoder,
+static void intel_disable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -341,28 +344,31 @@ static void intel_disable_lvds(struct intel_encoder *encoder,
intel_de_posting_read(dev_priv, lvds_encoder->reg);
}
-static void gmch_disable_lvds(struct intel_encoder *encoder,
+static void gmch_disable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
intel_panel_disable_backlight(old_conn_state);
- intel_disable_lvds(encoder, old_crtc_state, old_conn_state);
+ intel_disable_lvds(state, encoder, old_crtc_state, old_conn_state);
}
-static void pch_disable_lvds(struct intel_encoder *encoder,
+static void pch_disable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
intel_panel_disable_backlight(old_conn_state);
}
-static void pch_post_disable_lvds(struct intel_encoder *encoder,
+static void pch_post_disable_lvds(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_lvds(encoder, old_crtc_state, old_conn_state);
+ intel_disable_lvds(state, encoder, old_crtc_state, old_conn_state);
}
static enum drm_mode_status
@@ -397,6 +403,7 @@ static int intel_lvds_compute_config(struct intel_encoder *intel_encoder,
struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
unsigned int lvds_bpp;
+ int ret;
/* Should never happen!! */
if (INTEL_GEN(dev_priv) < 4 && intel_crtc->pipe == 0) {
@@ -430,16 +437,15 @@ static int intel_lvds_compute_config(struct intel_encoder *intel_encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
return -EINVAL;
- if (HAS_PCH_SPLIT(dev_priv)) {
+ if (HAS_PCH_SPLIT(dev_priv))
pipe_config->has_pch_encoder = true;
- intel_pch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
- } else {
- intel_gmch_panel_fitting(intel_crtc, pipe_config,
- conn_state->scaling_mode);
-
- }
+ if (HAS_GMCH(dev_priv))
+ ret = intel_gmch_panel_fitting(pipe_config, conn_state);
+ else
+ ret = intel_pch_panel_fitting(pipe_config, conn_state);
+ if (ret)
+ return ret;
/*
* XXX: It would be nice to support lower refresh rates on the
diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index 481187223101..66711e62fa71 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -281,7 +281,7 @@ static void intel_overlay_flip_prepare(struct intel_overlay *overlay,
enum pipe pipe = overlay->crtc->pipe;
struct intel_frontbuffer *from = NULL, *to = NULL;
- WARN_ON(overlay->old_vma);
+ drm_WARN_ON(&overlay->i915->drm, overlay->old_vma);
if (overlay->vma)
from = intel_frontbuffer_get(overlay->vma->obj);
@@ -350,7 +350,7 @@ static void intel_overlay_release_old_vma(struct intel_overlay *overlay)
struct i915_vma *vma;
vma = fetch_and_zero(&overlay->old_vma);
- if (WARN_ON(!vma))
+ if (drm_WARN_ON(&overlay->i915->drm, !vma))
return;
intel_frontbuffer_flip_complete(overlay->i915,
@@ -396,7 +396,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
struct i915_request *rq;
u32 *cs, flip_addr = overlay->flip_addr;
- WARN_ON(!overlay->active);
+ drm_WARN_ON(&overlay->i915->drm, !overlay->active);
/* According to intel docs the overlay hw may hang (when switching
* off) without loading the filter coeffs. It is however unclear whether
@@ -1342,7 +1342,7 @@ void intel_overlay_setup(struct drm_i915_private *dev_priv)
if (!HAS_OVERLAY(dev_priv))
return;
- engine = dev_priv->engine[RCS0];
+ engine = dev_priv->gt.engine[RCS0];
if (!engine || !engine->kernel_context)
return;
diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
index 276f43870802..3c5056dbf607 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.c
+++ b/drivers/gpu/drm/i915/display/intel_panel.c
@@ -176,24 +176,23 @@ intel_panel_vbt_fixed_mode(struct intel_connector *connector)
}
/* adjusted_mode has been preset to be the panel's fixed mode */
-void
-intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode)
+int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
- int x = 0, y = 0, width = 0, height = 0;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
+ int x, y, width, height;
/* Native modes don't need fitting */
- if (adjusted_mode->crtc_hdisplay == pipe_config->pipe_src_w &&
- adjusted_mode->crtc_vdisplay == pipe_config->pipe_src_h &&
- pipe_config->output_format != INTEL_OUTPUT_FORMAT_YCBCR420)
- goto done;
+ if (adjusted_mode->crtc_hdisplay == crtc_state->pipe_src_w &&
+ adjusted_mode->crtc_vdisplay == crtc_state->pipe_src_h &&
+ crtc_state->output_format != INTEL_OUTPUT_FORMAT_YCBCR420)
+ return 0;
- switch (fitting_mode) {
+ switch (conn_state->scaling_mode) {
case DRM_MODE_SCALE_CENTER:
- width = pipe_config->pipe_src_w;
- height = pipe_config->pipe_src_h;
+ width = crtc_state->pipe_src_w;
+ height = crtc_state->pipe_src_h;
x = (adjusted_mode->crtc_hdisplay - width + 1)/2;
y = (adjusted_mode->crtc_vdisplay - height + 1)/2;
break;
@@ -202,18 +201,18 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
/* Scale but preserve the aspect ratio */
{
u32 scaled_width = adjusted_mode->crtc_hdisplay
- * pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w
+ * crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w
* adjusted_mode->crtc_vdisplay;
if (scaled_width > scaled_height) { /* pillar */
- width = scaled_height / pipe_config->pipe_src_h;
+ width = scaled_height / crtc_state->pipe_src_h;
if (width & 1)
width++;
x = (adjusted_mode->crtc_hdisplay - width + 1) / 2;
y = 0;
height = adjusted_mode->crtc_vdisplay;
} else if (scaled_width < scaled_height) { /* letter */
- height = scaled_width / pipe_config->pipe_src_w;
+ height = scaled_width / crtc_state->pipe_src_w;
if (height & 1)
height++;
y = (adjusted_mode->crtc_vdisplay - height + 1) / 2;
@@ -227,6 +226,10 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
}
break;
+ case DRM_MODE_SCALE_NONE:
+ WARN_ON(adjusted_mode->crtc_hdisplay != crtc_state->pipe_src_w);
+ WARN_ON(adjusted_mode->crtc_vdisplay != crtc_state->pipe_src_h);
+ /* fall through */
case DRM_MODE_SCALE_FULLSCREEN:
x = y = 0;
width = adjusted_mode->crtc_hdisplay;
@@ -234,14 +237,15 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc,
break;
default:
- WARN(1, "bad panel fit mode: %d\n", fitting_mode);
- return;
+ MISSING_CASE(conn_state->scaling_mode);
+ return -EINVAL;
}
-done:
- pipe_config->pch_pfit.pos = (x << 16) | y;
- pipe_config->pch_pfit.size = (width << 16) | height;
- pipe_config->pch_pfit.enabled = pipe_config->pch_pfit.size != 0;
+ drm_rect_init(&crtc_state->pch_pfit.dst,
+ x, y, width, height);
+ crtc_state->pch_pfit.enabled = true;
+
+ return 0;
}
static void
@@ -287,7 +291,7 @@ centre_vertically(struct drm_display_mode *adjusted_mode,
adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + sync_width;
}
-static inline u32 panel_fitter_scaling(u32 source, u32 target)
+static u32 panel_fitter_scaling(u32 source, u32 target)
{
/*
* Floating point operation is not supported. So the FACTOR
@@ -300,13 +304,14 @@ static inline u32 panel_fitter_scaling(u32 source, u32 target)
return (FACTOR * ratio + FACTOR/2) / FACTOR;
}
-static void i965_scale_aspect(struct intel_crtc_state *pipe_config,
+static void i965_scale_aspect(struct intel_crtc_state *crtc_state,
u32 *pfit_control)
{
- const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ const struct drm_display_mode *adjusted_mode =
+ &crtc_state->hw.adjusted_mode;
u32 scaled_width = adjusted_mode->crtc_hdisplay *
- pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w *
+ crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w *
adjusted_mode->crtc_vdisplay;
/* 965+ is easy, it does everything in hw */
@@ -316,18 +321,18 @@ static void i965_scale_aspect(struct intel_crtc_state *pipe_config,
else if (scaled_width < scaled_height)
*pfit_control |= PFIT_ENABLE |
PFIT_SCALING_LETTER;
- else if (adjusted_mode->crtc_hdisplay != pipe_config->pipe_src_w)
+ else if (adjusted_mode->crtc_hdisplay != crtc_state->pipe_src_w)
*pfit_control |= PFIT_ENABLE | PFIT_SCALING_AUTO;
}
-static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
+static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
u32 *pfit_control, u32 *pfit_pgm_ratios,
u32 *border)
{
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
u32 scaled_width = adjusted_mode->crtc_hdisplay *
- pipe_config->pipe_src_h;
- u32 scaled_height = pipe_config->pipe_src_w *
+ crtc_state->pipe_src_h;
+ u32 scaled_height = crtc_state->pipe_src_w *
adjusted_mode->crtc_vdisplay;
u32 bits;
@@ -339,11 +344,11 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
if (scaled_width > scaled_height) { /* pillar */
centre_horizontally(adjusted_mode,
scaled_height /
- pipe_config->pipe_src_h);
+ crtc_state->pipe_src_h);
*border = LVDS_BORDER_ENABLE;
- if (pipe_config->pipe_src_h != adjusted_mode->crtc_vdisplay) {
- bits = panel_fitter_scaling(pipe_config->pipe_src_h,
+ if (crtc_state->pipe_src_h != adjusted_mode->crtc_vdisplay) {
+ bits = panel_fitter_scaling(crtc_state->pipe_src_h,
adjusted_mode->crtc_vdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
@@ -355,11 +360,11 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
} else if (scaled_width < scaled_height) { /* letter */
centre_vertically(adjusted_mode,
scaled_width /
- pipe_config->pipe_src_w);
+ crtc_state->pipe_src_w);
*border = LVDS_BORDER_ENABLE;
- if (pipe_config->pipe_src_w != adjusted_mode->crtc_hdisplay) {
- bits = panel_fitter_scaling(pipe_config->pipe_src_w,
+ if (crtc_state->pipe_src_w != adjusted_mode->crtc_hdisplay) {
+ bits = panel_fitter_scaling(crtc_state->pipe_src_w,
adjusted_mode->crtc_hdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
@@ -377,35 +382,35 @@ static void i9xx_scale_aspect(struct intel_crtc_state *pipe_config,
}
}
-void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode)
+int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
- struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
- struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
+ struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
/* Native modes don't need fitting */
- if (adjusted_mode->crtc_hdisplay == pipe_config->pipe_src_w &&
- adjusted_mode->crtc_vdisplay == pipe_config->pipe_src_h)
+ if (adjusted_mode->crtc_hdisplay == crtc_state->pipe_src_w &&
+ adjusted_mode->crtc_vdisplay == crtc_state->pipe_src_h)
goto out;
- switch (fitting_mode) {
+ switch (conn_state->scaling_mode) {
case DRM_MODE_SCALE_CENTER:
/*
* For centered modes, we have to calculate border widths &
* heights and modify the values programmed into the CRTC.
*/
- centre_horizontally(adjusted_mode, pipe_config->pipe_src_w);
- centre_vertically(adjusted_mode, pipe_config->pipe_src_h);
+ centre_horizontally(adjusted_mode, crtc_state->pipe_src_w);
+ centre_vertically(adjusted_mode, crtc_state->pipe_src_h);
border = LVDS_BORDER_ENABLE;
break;
case DRM_MODE_SCALE_ASPECT:
/* Scale but preserve the aspect ratio */
if (INTEL_GEN(dev_priv) >= 4)
- i965_scale_aspect(pipe_config, &pfit_control);
+ i965_scale_aspect(crtc_state, &pfit_control);
else
- i9xx_scale_aspect(pipe_config, &pfit_control,
+ i9xx_scale_aspect(crtc_state, &pfit_control,
&pfit_pgm_ratios, &border);
break;
case DRM_MODE_SCALE_FULLSCREEN:
@@ -413,8 +418,8 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
* Full scaling, even if it changes the aspect ratio.
* Fortunately this is all done for us in hw.
*/
- if (pipe_config->pipe_src_h != adjusted_mode->crtc_vdisplay ||
- pipe_config->pipe_src_w != adjusted_mode->crtc_hdisplay) {
+ if (crtc_state->pipe_src_h != adjusted_mode->crtc_vdisplay ||
+ crtc_state->pipe_src_w != adjusted_mode->crtc_hdisplay) {
pfit_control |= PFIT_ENABLE;
if (INTEL_GEN(dev_priv) >= 4)
pfit_control |= PFIT_SCALING_AUTO;
@@ -426,15 +431,14 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc,
}
break;
default:
- drm_WARN(&dev_priv->drm, 1, "bad panel fit mode: %d\n",
- fitting_mode);
- return;
+ MISSING_CASE(conn_state->scaling_mode);
+ return -EINVAL;
}
/* 965+ wants fuzzy fitting */
/* FIXME: handle multiple panels by failing gracefully */
if (INTEL_GEN(dev_priv) >= 4)
- pfit_control |= PFIT_PIPE(intel_crtc->pipe) | PFIT_FILTER_FUZZY;
+ pfit_control |= PFIT_PIPE(crtc->pipe) | PFIT_FILTER_FUZZY;
out:
if ((pfit_control & PFIT_ENABLE) == 0) {
@@ -443,12 +447,14 @@ out:
}
/* Make sure pre-965 set dither correctly for 18bpp panels. */
- if (INTEL_GEN(dev_priv) < 4 && pipe_config->pipe_bpp == 18)
+ if (INTEL_GEN(dev_priv) < 4 && crtc_state->pipe_bpp == 18)
pfit_control |= PANEL_8TO6_DITHER_ENABLE;
- pipe_config->gmch_pfit.control = pfit_control;
- pipe_config->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
- pipe_config->gmch_pfit.lvds_border_bits = border;
+ crtc_state->gmch_pfit.control = pfit_control;
+ crtc_state->gmch_pfit.pgm_ratios = pfit_pgm_ratios;
+ crtc_state->gmch_pfit.lvds_border_bits = border;
+
+ return 0;
}
/**
@@ -483,20 +489,10 @@ static u32 scale(u32 source_val,
return target_val;
}
-/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */
-static inline u32 scale_user_to_hw(struct intel_connector *connector,
- u32 user_level, u32 user_max)
-{
- struct intel_panel *panel = &connector->panel;
-
- return scale(user_level, 0, user_max,
- panel->backlight.min, panel->backlight.max);
-}
-
/* Scale user_level in range [0..user_max] to [0..hw_max], clamping the result
* to [hw_min..hw_max]. */
-static inline u32 clamp_user_to_hw(struct intel_connector *connector,
- u32 user_level, u32 user_max)
+static u32 clamp_user_to_hw(struct intel_connector *connector,
+ u32 user_level, u32 user_max)
{
struct intel_panel *panel = &connector->panel;
u32 hw_level;
@@ -508,8 +504,8 @@ static inline u32 clamp_user_to_hw(struct intel_connector *connector,
}
/* Scale hw_level in range [hw_min..hw_max] to [0..user_max]. */
-static inline u32 scale_hw_to_user(struct intel_connector *connector,
- u32 hw_level, u32 user_max)
+static u32 scale_hw_to_user(struct intel_connector *connector,
+ u32 hw_level, u32 user_max)
{
struct intel_panel *panel = &connector->panel;
@@ -684,9 +680,10 @@ static void
intel_panel_actually_set_backlight(const struct drm_connector_state *conn_state, u32 level)
{
struct intel_connector *connector = to_intel_connector(conn_state->connector);
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
- DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
+ drm_dbg_kms(&i915->drm, "set backlight PWM = %d\n", level);
level = intel_panel_compute_brightness(connector, level);
panel->backlight.set(conn_state, level);
@@ -867,8 +864,8 @@ void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_st
* another client is not activated.
*/
if (dev_priv->drm.switch_power_state == DRM_SWITCH_POWER_CHANGING) {
- drm_dbg(&dev_priv->drm,
- "Skipping backlight disable on vga switch\n");
+ drm_dbg_kms(&dev_priv->drm,
+ "Skipping backlight disable on vga switch\n");
return;
}
@@ -1244,10 +1241,20 @@ static u32 intel_panel_get_backlight(struct intel_connector *connector)
mutex_unlock(&dev_priv->backlight_lock);
- drm_dbg(&dev_priv->drm, "get backlight PWM = %d\n", val);
+ drm_dbg_kms(&dev_priv->drm, "get backlight PWM = %d\n", val);
return val;
}
+/* Scale user_level in range [0..user_max] to [hw_min..hw_max]. */
+static u32 scale_user_to_hw(struct intel_connector *connector,
+ u32 user_level, u32 user_max)
+{
+ struct intel_panel *panel = &connector->panel;
+
+ return scale(user_level, 0, user_max,
+ panel->backlight.min, panel->backlight.max);
+}
+
/* set backlight brightness to level in range [0..max], scaling wrt hw min */
static void intel_panel_set_backlight(const struct drm_connector_state *conn_state,
u32 user_level, u32 user_max)
@@ -1335,6 +1342,7 @@ static const struct backlight_ops intel_backlight_device_ops = {
int intel_backlight_device_register(struct intel_connector *connector)
{
+ struct drm_i915_private *i915 = to_i915(connector->base.dev);
struct intel_panel *panel = &connector->panel;
struct backlight_properties props;
@@ -1374,14 +1382,15 @@ int intel_backlight_device_register(struct intel_connector *connector)
&intel_backlight_device_ops, &props);
if (IS_ERR(panel->backlight.device)) {
- DRM_ERROR("Failed to register backlight: %ld\n",
- PTR_ERR(panel->backlight.device));
+ drm_err(&i915->drm, "Failed to register backlight: %ld\n",
+ PTR_ERR(panel->backlight.device));
panel->backlight.device = NULL;
return -ENODEV;
}
- DRM_DEBUG_KMS("Connector %s backlight sysfs interface registered\n",
- connector->base.name);
+ drm_dbg_kms(&i915->drm,
+ "Connector %s backlight sysfs interface registered\n",
+ connector->base.name);
return 0;
}
@@ -1931,7 +1940,8 @@ static int pwm_setup_backlight(struct intel_connector *connector,
return 0;
}
-void intel_panel_update_backlight(struct intel_encoder *encoder,
+void intel_panel_update_backlight(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
diff --git a/drivers/gpu/drm/i915/display/intel_panel.h b/drivers/gpu/drm/i915/display/intel_panel.h
index cedeea443336..968b95281cb4 100644
--- a/drivers/gpu/drm/i915/display/intel_panel.h
+++ b/drivers/gpu/drm/i915/display/intel_panel.h
@@ -25,19 +25,18 @@ int intel_panel_init(struct intel_panel *panel,
void intel_panel_fini(struct intel_panel *panel);
void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
struct drm_display_mode *adjusted_mode);
-void intel_pch_panel_fitting(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode);
-void intel_gmch_panel_fitting(struct intel_crtc *crtc,
- struct intel_crtc_state *pipe_config,
- int fitting_mode);
+int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state);
+int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state);
void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
u32 level, u32 max);
int intel_panel_setup_backlight(struct drm_connector *connector,
enum pipe pipe);
void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
-void intel_panel_update_backlight(struct intel_encoder *encoder,
+void intel_panel_update_backlight(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state);
void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index fd9b146e3aba..b7a2c102648a 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -30,6 +30,7 @@
#include "intel_display_types.h"
#include "intel_psr.h"
#include "intel_sprite.h"
+#include "intel_hdmi.h"
/**
* DOC: Panel Self Refresh (PSR/SRD)
@@ -137,41 +138,42 @@ static void psr_irq_control(struct drm_i915_private *dev_priv)
intel_de_write(dev_priv, imr_reg, val);
}
-static void psr_event_print(u32 val, bool psr2_enabled)
+static void psr_event_print(struct drm_i915_private *i915,
+ u32 val, bool psr2_enabled)
{
- DRM_DEBUG_KMS("PSR exit events: 0x%x\n", val);
+ drm_dbg_kms(&i915->drm, "PSR exit events: 0x%x\n", val);
if (val & PSR_EVENT_PSR2_WD_TIMER_EXPIRE)
- DRM_DEBUG_KMS("\tPSR2 watchdog timer expired\n");
+ drm_dbg_kms(&i915->drm, "\tPSR2 watchdog timer expired\n");
if ((val & PSR_EVENT_PSR2_DISABLED) && psr2_enabled)
- DRM_DEBUG_KMS("\tPSR2 disabled\n");
+ drm_dbg_kms(&i915->drm, "\tPSR2 disabled\n");
if (val & PSR_EVENT_SU_DIRTY_FIFO_UNDERRUN)
- DRM_DEBUG_KMS("\tSU dirty FIFO underrun\n");
+ drm_dbg_kms(&i915->drm, "\tSU dirty FIFO underrun\n");
if (val & PSR_EVENT_SU_CRC_FIFO_UNDERRUN)
- DRM_DEBUG_KMS("\tSU CRC FIFO underrun\n");
+ drm_dbg_kms(&i915->drm, "\tSU CRC FIFO underrun\n");
if (val & PSR_EVENT_GRAPHICS_RESET)
- DRM_DEBUG_KMS("\tGraphics reset\n");
+ drm_dbg_kms(&i915->drm, "\tGraphics reset\n");
if (val & PSR_EVENT_PCH_INTERRUPT)
- DRM_DEBUG_KMS("\tPCH interrupt\n");
+ drm_dbg_kms(&i915->drm, "\tPCH interrupt\n");
if (val & PSR_EVENT_MEMORY_UP)
- DRM_DEBUG_KMS("\tMemory up\n");
+ drm_dbg_kms(&i915->drm, "\tMemory up\n");
if (val & PSR_EVENT_FRONT_BUFFER_MODIFY)
- DRM_DEBUG_KMS("\tFront buffer modification\n");
+ drm_dbg_kms(&i915->drm, "\tFront buffer modification\n");
if (val & PSR_EVENT_WD_TIMER_EXPIRE)
- DRM_DEBUG_KMS("\tPSR watchdog timer expired\n");
+ drm_dbg_kms(&i915->drm, "\tPSR watchdog timer expired\n");
if (val & PSR_EVENT_PIPE_REGISTERS_UPDATE)
- DRM_DEBUG_KMS("\tPIPE registers updated\n");
+ drm_dbg_kms(&i915->drm, "\tPIPE registers updated\n");
if (val & PSR_EVENT_REGISTER_UPDATE)
- DRM_DEBUG_KMS("\tRegister updated\n");
+ drm_dbg_kms(&i915->drm, "\tRegister updated\n");
if (val & PSR_EVENT_HDCP_ENABLE)
- DRM_DEBUG_KMS("\tHDCP enabled\n");
+ drm_dbg_kms(&i915->drm, "\tHDCP enabled\n");
if (val & PSR_EVENT_KVMR_SESSION_ENABLE)
- DRM_DEBUG_KMS("\tKVMR session enabled\n");
+ drm_dbg_kms(&i915->drm, "\tKVMR session enabled\n");
if (val & PSR_EVENT_VBI_ENABLE)
- DRM_DEBUG_KMS("\tVBI enabled\n");
+ drm_dbg_kms(&i915->drm, "\tVBI enabled\n");
if (val & PSR_EVENT_LPSP_MODE_EXIT)
- DRM_DEBUG_KMS("\tLPSP mode exited\n");
+ drm_dbg_kms(&i915->drm, "\tLPSP mode exited\n");
if ((val & PSR_EVENT_PSR_DISABLE) && !psr2_enabled)
- DRM_DEBUG_KMS("\tPSR disabled\n");
+ drm_dbg_kms(&i915->drm, "\tPSR disabled\n");
}
void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir)
@@ -209,7 +211,7 @@ void intel_psr_irq_handler(struct drm_i915_private *dev_priv, u32 psr_iir)
intel_de_write(dev_priv, PSR_EVENT(cpu_transcoder),
val);
- psr_event_print(val, psr2_enabled);
+ psr_event_print(dev_priv, val, psr2_enabled);
}
}
@@ -249,18 +251,21 @@ static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp)
static u8 intel_dp_get_sink_sync_latency(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u8 val = 8; /* assume the worst if we can't read the value */
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_SYNCHRONIZATION_LATENCY_IN_SINK, &val) == 1)
val &= DP_MAX_RESYNC_FRAME_COUNT_MASK;
else
- DRM_DEBUG_KMS("Unable to get sink synchronization latency, assuming 8 frames\n");
+ drm_dbg_kms(&i915->drm,
+ "Unable to get sink synchronization latency, assuming 8 frames\n");
return val;
}
static u16 intel_dp_get_su_x_granulartiy(struct intel_dp *intel_dp)
{
+ struct drm_i915_private *i915 = dp_to_i915(intel_dp);
u16 val;
ssize_t r;
@@ -273,7 +278,8 @@ static u16 intel_dp_get_su_x_granulartiy(struct intel_dp *intel_dp)
r = drm_dp_dpcd_read(&intel_dp->aux, DP_PSR2_SU_X_GRANULARITY, &val, 2);
if (r != 2)
- DRM_DEBUG_KMS("Unable to read DP_PSR2_SU_X_GRANULARITY\n");
+ drm_dbg_kms(&i915->drm,
+ "Unable to read DP_PSR2_SU_X_GRANULARITY\n");
/*
* Spec says that if the value read is 0 the default granularity should
@@ -352,39 +358,6 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
}
}
-static void intel_psr_setup_vsc(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state)
-{
- struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
- struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
- struct dp_sdp psr_vsc;
-
- if (dev_priv->psr.psr2_enabled) {
- /* Prepare VSC Header for SU as per EDP 1.4 spec, Table 6.11 */
- memset(&psr_vsc, 0, sizeof(psr_vsc));
- psr_vsc.sdp_header.HB0 = 0;
- psr_vsc.sdp_header.HB1 = 0x7;
- if (dev_priv->psr.colorimetry_support) {
- psr_vsc.sdp_header.HB2 = 0x5;
- psr_vsc.sdp_header.HB3 = 0x13;
- } else {
- psr_vsc.sdp_header.HB2 = 0x4;
- psr_vsc.sdp_header.HB3 = 0xe;
- }
- } else {
- /* Prepare VSC packet as per EDP 1.3 spec, Table 3.10 */
- memset(&psr_vsc, 0, sizeof(psr_vsc));
- psr_vsc.sdp_header.HB0 = 0;
- psr_vsc.sdp_header.HB1 = 0x7;
- psr_vsc.sdp_header.HB2 = 0x2;
- psr_vsc.sdp_header.HB3 = 0x8;
- }
-
- intel_dig_port->write_infoframe(&intel_dig_port->base,
- crtc_state,
- DP_SDP_VSC, &psr_vsc, sizeof(psr_vsc));
-}
-
static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
@@ -751,6 +724,8 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
if (intel_dp != dev_priv->psr.dp)
return;
+ if (!psr_global_enabled(dev_priv))
+ return;
/*
* HSW spec explicitly says PSR is tied to port A.
* BDW+ platforms have a instance of PSR registers per transcoder but
@@ -793,6 +768,7 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
crtc_state->has_psr = true;
crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state);
+ crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
}
static void intel_psr_activate(struct intel_dp *intel_dp)
@@ -875,9 +851,12 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
}
static void intel_psr_enable_locked(struct drm_i915_private *dev_priv,
- const struct intel_crtc_state *crtc_state)
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
struct intel_dp *intel_dp = dev_priv->psr.dp;
+ struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
+ struct intel_encoder *encoder = &intel_dig_port->base;
u32 val;
drm_WARN_ON(&dev_priv->drm, dev_priv->psr.enabled);
@@ -916,7 +895,9 @@ static void intel_psr_enable_locked(struct drm_i915_private *dev_priv,
drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n",
dev_priv->psr.psr2_enabled ? "2" : "1");
- intel_psr_setup_vsc(intel_dp, crtc_state);
+ intel_dp_compute_psr_vsc_sdp(intel_dp, crtc_state, conn_state,
+ &dev_priv->psr.vsc);
+ intel_write_dp_vsc_sdp(encoder, crtc_state, &dev_priv->psr.vsc);
intel_psr_enable_sink(intel_dp);
intel_psr_enable_source(intel_dp, crtc_state);
dev_priv->psr.enabled = true;
@@ -928,11 +909,13 @@ static void intel_psr_enable_locked(struct drm_i915_private *dev_priv,
* intel_psr_enable - Enable PSR
* @intel_dp: Intel DP
* @crtc_state: new CRTC state
+ * @conn_state: new CONNECTOR state
*
* This function can only be called after the pipe is fully trained and enabled.
*/
void intel_psr_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state)
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
@@ -953,7 +936,7 @@ void intel_psr_enable(struct intel_dp *intel_dp,
goto unlock;
}
- intel_psr_enable_locked(dev_priv, crtc_state);
+ intel_psr_enable_locked(dev_priv, crtc_state, conn_state);
unlock:
mutex_unlock(&dev_priv->psr.lock);
@@ -1086,13 +1069,15 @@ static void psr_force_hw_tracking_exit(struct drm_i915_private *dev_priv)
* intel_psr_update - Update PSR state
* @intel_dp: Intel DP
* @crtc_state: new CRTC state
+ * @conn_state: new CONNECTOR state
*
* This functions will update PSR states, disabling, enabling or switching PSR
* version when executing fastsets. For full modeset, intel_psr_disable() and
* intel_psr_enable() should be called instead.
*/
void intel_psr_update(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state)
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
struct i915_psr *psr = &dev_priv->psr;
@@ -1129,7 +1114,7 @@ void intel_psr_update(struct intel_dp *intel_dp,
intel_psr_disable_locked(intel_dp);
if (enable)
- intel_psr_enable_locked(dev_priv, crtc_state);
+ intel_psr_enable_locked(dev_priv, crtc_state, conn_state);
unlock:
mutex_unlock(&dev_priv->psr.lock);
diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index 274fc6bb6221..b4515186d5f4 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -17,11 +17,13 @@ struct intel_dp;
#define CAN_PSR(dev_priv) (HAS_PSR(dev_priv) && dev_priv->psr.sink_support)
void intel_psr_init_dpcd(struct intel_dp *intel_dp);
void intel_psr_enable(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state);
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state);
void intel_psr_disable(struct intel_dp *intel_dp,
const struct intel_crtc_state *old_crtc_state);
void intel_psr_update(struct intel_dp *intel_dp,
- const struct intel_crtc_state *crtc_state);
+ const struct intel_crtc_state *crtc_state,
+ const struct drm_connector_state *conn_state);
int intel_psr_debug_set(struct drm_i915_private *dev_priv, u64 value);
void intel_psr_invalidate(struct drm_i915_private *dev_priv,
unsigned frontbuffer_bits,
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 637d8fe2f8c2..bc6c26818e15 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -1430,7 +1430,8 @@ static void intel_sdvo_update_props(struct intel_sdvo *intel_sdvo,
#undef UPDATE_PROPERTY
}
-static void intel_sdvo_pre_enable(struct intel_encoder *intel_encoder,
+static void intel_sdvo_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *intel_encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -1727,7 +1728,8 @@ static void intel_sdvo_enable_audio(struct intel_sdvo *intel_sdvo,
SDVO_AUDIO_PRESENCE_DETECT);
}
-static void intel_disable_sdvo(struct intel_encoder *encoder,
+static void intel_disable_sdvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *conn_state)
{
@@ -1775,20 +1777,23 @@ static void intel_disable_sdvo(struct intel_encoder *encoder,
}
}
-static void pch_disable_sdvo(struct intel_encoder *encoder,
+static void pch_disable_sdvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
}
-static void pch_post_disable_sdvo(struct intel_encoder *encoder,
+static void pch_post_disable_sdvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
- intel_disable_sdvo(encoder, old_crtc_state, old_conn_state);
+ intel_disable_sdvo(state, encoder, old_crtc_state, old_conn_state);
}
-static void intel_enable_sdvo(struct intel_encoder *encoder,
+static void intel_enable_sdvo(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -1934,12 +1939,11 @@ static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
static enum intel_hotplug_state
intel_sdvo_hotplug(struct intel_encoder *encoder,
- struct intel_connector *connector,
- bool irq_received)
+ struct intel_connector *connector)
{
intel_sdvo_enable_hotplug(encoder);
- return intel_encoder_hotplug(encoder, connector, irq_received);
+ return intel_encoder_hotplug(encoder, connector);
}
static bool
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index deda351719db..0000ec7055f7 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -2503,6 +2503,7 @@ static const u32 skl_plane_formats[] = {
DRM_FORMAT_YVYU,
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
+ DRM_FORMAT_XYUV8888,
};
static const u32 skl_planar_formats[] = {
@@ -2521,6 +2522,7 @@ static const u32 skl_planar_formats[] = {
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
+ DRM_FORMAT_XYUV8888,
};
static const u32 glk_planar_formats[] = {
@@ -2539,6 +2541,7 @@ static const u32 glk_planar_formats[] = {
DRM_FORMAT_UYVY,
DRM_FORMAT_VYUY,
DRM_FORMAT_NV12,
+ DRM_FORMAT_XYUV8888,
DRM_FORMAT_P010,
DRM_FORMAT_P012,
DRM_FORMAT_P016,
@@ -2562,6 +2565,7 @@ static const u32 icl_sdr_y_plane_formats[] = {
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
+ DRM_FORMAT_XYUV8888,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
@@ -2589,6 +2593,7 @@ static const u32 icl_sdr_uv_plane_formats[] = {
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
+ DRM_FORMAT_XYUV8888,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
@@ -2620,6 +2625,7 @@ static const u32 icl_hdr_plane_formats[] = {
DRM_FORMAT_Y210,
DRM_FORMAT_Y212,
DRM_FORMAT_Y216,
+ DRM_FORMAT_XYUV8888,
DRM_FORMAT_XVYU2101010,
DRM_FORMAT_XVYU12_16161616,
DRM_FORMAT_XVYU16161616,
@@ -2790,6 +2796,7 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
+ case DRM_FORMAT_XYUV8888:
case DRM_FORMAT_P010:
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
@@ -2817,19 +2824,25 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
}
}
-static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id)
+static bool gen12_plane_supports_mc_ccs(struct drm_i915_private *dev_priv,
+ enum plane_id plane_id)
{
+ /* Wa_14010477008:tgl[a0..c0] */
+ if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_C0))
+ return false;
+
return plane_id < PLANE_SPRITE4;
}
static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
u32 format, u64 modifier)
{
+ struct drm_i915_private *dev_priv = to_i915(_plane->dev);
struct intel_plane *plane = to_intel_plane(_plane);
switch (modifier) {
case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
- if (!gen12_plane_supports_mc_ccs(plane->id))
+ if (!gen12_plane_supports_mc_ccs(dev_priv, plane->id))
return false;
/* fall through */
case DRM_FORMAT_MOD_LINEAR:
@@ -2854,6 +2867,7 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
case DRM_FORMAT_UYVY:
case DRM_FORMAT_VYUY:
case DRM_FORMAT_NV12:
+ case DRM_FORMAT_XYUV8888:
case DRM_FORMAT_P010:
case DRM_FORMAT_P012:
case DRM_FORMAT_P016:
@@ -2998,9 +3012,10 @@ static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
}
}
-static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id)
+static const u64 *gen12_get_plane_modifiers(struct drm_i915_private *dev_priv,
+ enum plane_id plane_id)
{
- if (gen12_plane_supports_mc_ccs(plane_id))
+ if (gen12_plane_supports_mc_ccs(dev_priv, plane_id))
return gen12_plane_format_modifiers_mc_ccs;
else
return gen12_plane_format_modifiers_rc_ccs;
@@ -3070,7 +3085,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
if (INTEL_GEN(dev_priv) >= 12) {
- modifiers = gen12_get_plane_modifiers(plane_id);
+ modifiers = gen12_get_plane_modifiers(dev_priv, plane_id);
plane_funcs = &gen12_plane_funcs;
} else {
if (plane->has_ccs)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
index 9b850c11aa78..b161c15baf86 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.c
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -34,6 +34,7 @@ tc_port_load_fia_params(struct drm_i915_private *i915,
if (INTEL_INFO(i915)->display.has_modular_fia) {
modular_fia = intel_uncore_read(&i915->uncore,
PORT_TX_DFLEXDPSP(FIA1));
+ drm_WARN_ON(&i915->drm, modular_fia == 0xffffffff);
modular_fia &= MODULAR_FIA_MASK;
} else {
modular_fia = 0;
@@ -52,6 +53,62 @@ tc_port_load_fia_params(struct drm_i915_private *i915,
}
}
+static enum intel_display_power_domain
+tc_cold_get_power_domain(struct intel_digital_port *dig_port)
+{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+
+ if (INTEL_GEN(i915) == 11)
+ return intel_legacy_aux_to_power_domain(dig_port->aux_ch);
+ else
+ return POWER_DOMAIN_TC_COLD_OFF;
+}
+
+static intel_wakeref_t
+tc_cold_block(struct intel_digital_port *dig_port)
+{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+ enum intel_display_power_domain domain;
+
+ if (INTEL_GEN(i915) == 11 && !dig_port->tc_legacy_port)
+ return 0;
+
+ domain = tc_cold_get_power_domain(dig_port);
+ return intel_display_power_get(i915, domain);
+}
+
+static void
+tc_cold_unblock(struct intel_digital_port *dig_port, intel_wakeref_t wakeref)
+{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+ enum intel_display_power_domain domain;
+
+ /*
+ * wakeref == -1, means some error happened saving save_depot_stack but
+ * power should still be put down and 0 is a invalid save_depot_stack
+ * id so can be used to skip it for non TC legacy ports.
+ */
+ if (wakeref == 0)
+ return;
+
+ domain = tc_cold_get_power_domain(dig_port);
+ intel_display_power_put_async(i915, domain, wakeref);
+}
+
+static void
+assert_tc_cold_blocked(struct intel_digital_port *dig_port)
+{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+ bool enabled;
+
+ if (INTEL_GEN(i915) == 11 && !dig_port->tc_legacy_port)
+ return;
+
+ enabled = intel_display_power_is_enabled(i915,
+ tc_cold_get_power_domain(dig_port));
+ drm_WARN_ON(&i915->drm, !enabled);
+}
+
u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
@@ -62,6 +119,7 @@ u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
drm_WARN_ON(&i915->drm, lane_mask == 0xffffffff);
+ assert_tc_cold_blocked(dig_port);
lane_mask &= DP_LANE_ASSIGNMENT_MASK(dig_port->tc_phy_fia_idx);
return lane_mask >> DP_LANE_ASSIGNMENT_SHIFT(dig_port->tc_phy_fia_idx);
@@ -77,6 +135,7 @@ u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port)
PORT_TX_DFLEXPA1(dig_port->tc_phy_fia));
drm_WARN_ON(&i915->drm, pin_mask == 0xffffffff);
+ assert_tc_cold_blocked(dig_port);
return (pin_mask & DP_PIN_ASSIGNMENT_MASK(dig_port->tc_phy_fia_idx)) >>
DP_PIN_ASSIGNMENT_SHIFT(dig_port->tc_phy_fia_idx);
@@ -91,6 +150,8 @@ int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port)
if (dig_port->tc_mode != TC_PORT_DP_ALT)
return 4;
+ assert_tc_cold_blocked(dig_port);
+
lane_mask = 0;
with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref)
lane_mask = intel_tc_port_get_lane_mask(dig_port);
@@ -123,6 +184,8 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
drm_WARN_ON(&i915->drm,
lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY);
+ assert_tc_cold_blocked(dig_port);
+
val = intel_uncore_read(uncore,
PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia));
val &= ~DFLEXDPMLE1_DPMLETC_MASK(dig_port->tc_phy_fia_idx);
@@ -152,6 +215,7 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
u32 live_status_mask)
{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
u32 valid_hpd_mask;
if (dig_port->tc_legacy_port)
@@ -164,8 +228,9 @@ static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
return;
/* If live status mismatches the VBT flag, trust the live status. */
- DRM_ERROR("Port %s: live status %08x mismatches the legacy port flag, fix flag\n",
- dig_port->tc_port_name, live_status_mask);
+ drm_err(&i915->drm,
+ "Port %s: live status %08x mismatches the legacy port flag, fix flag\n",
+ dig_port->tc_port_name, live_status_mask);
dig_port->tc_legacy_port = !dig_port->tc_legacy_port;
}
@@ -173,8 +238,8 @@ static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port)
{
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
- enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
struct intel_uncore *uncore = &i915->uncore;
+ u32 isr_bit = i915->hotplug.pch_hpd[dig_port->base.hpd_pin];
u32 mask = 0;
u32 val;
@@ -193,7 +258,7 @@ static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port)
if (val & TC_LIVE_STATE_TC(dig_port->tc_phy_fia_idx))
mask |= BIT(TC_PORT_DP_ALT);
- if (intel_uncore_read(uncore, SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port))
+ if (intel_uncore_read(uncore, SDEISR) & isr_bit)
mask |= BIT(TC_PORT_LEGACY);
/* The sink can be connected only in a single mode. */
@@ -233,8 +298,7 @@ static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
if (val == 0xffffffff) {
drm_dbg_kms(&i915->drm,
"Port %s: PHY in TCCOLD, can't set safe-mode to %s\n",
- dig_port->tc_port_name,
- enableddisabled(enable));
+ dig_port->tc_port_name, enableddisabled(enable));
return false;
}
@@ -286,11 +350,12 @@ static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port)
static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
int required_lanes)
{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
int max_lanes;
if (!icl_tc_phy_status_complete(dig_port)) {
- DRM_DEBUG_KMS("Port %s: PHY not ready\n",
- dig_port->tc_port_name);
+ drm_dbg_kms(&i915->drm, "Port %s: PHY not ready\n",
+ dig_port->tc_port_name);
goto out_set_tbt_alt_mode;
}
@@ -311,15 +376,16 @@ static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
* became disconnected. Not necessary for legacy mode.
*/
if (!(tc_port_live_status_mask(dig_port) & BIT(TC_PORT_DP_ALT))) {
- DRM_DEBUG_KMS("Port %s: PHY sudden disconnect\n",
- dig_port->tc_port_name);
+ drm_dbg_kms(&i915->drm, "Port %s: PHY sudden disconnect\n",
+ dig_port->tc_port_name);
goto out_set_safe_mode;
}
if (max_lanes < required_lanes) {
- DRM_DEBUG_KMS("Port %s: PHY max lanes %d < required lanes %d\n",
- dig_port->tc_port_name,
- max_lanes, required_lanes);
+ drm_dbg_kms(&i915->drm,
+ "Port %s: PHY max lanes %d < required lanes %d\n",
+ dig_port->tc_port_name,
+ max_lanes, required_lanes);
goto out_set_safe_mode;
}
@@ -357,15 +423,17 @@ static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port)
static bool icl_tc_phy_is_connected(struct intel_digital_port *dig_port)
{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+
if (!icl_tc_phy_status_complete(dig_port)) {
- DRM_DEBUG_KMS("Port %s: PHY status not complete\n",
- dig_port->tc_port_name);
+ drm_dbg_kms(&i915->drm, "Port %s: PHY status not complete\n",
+ dig_port->tc_port_name);
return dig_port->tc_mode == TC_PORT_TBT_ALT;
}
if (icl_tc_phy_is_in_safe_mode(dig_port)) {
- DRM_DEBUG_KMS("Port %s: PHY still in safe mode\n",
- dig_port->tc_port_name);
+ drm_dbg_kms(&i915->drm, "Port %s: PHY still in safe mode\n",
+ dig_port->tc_port_name);
return false;
}
@@ -415,9 +483,14 @@ static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port,
enum tc_port_mode old_tc_mode = dig_port->tc_mode;
intel_display_power_flush_work(i915);
- drm_WARN_ON(&i915->drm,
- intel_display_power_is_enabled(i915,
- intel_aux_power_domain(dig_port)));
+ if (INTEL_GEN(i915) != 11 || !dig_port->tc_legacy_port) {
+ enum intel_display_power_domain aux_domain;
+ bool aux_powered;
+
+ aux_domain = intel_aux_power_domain(dig_port);
+ aux_powered = intel_display_power_is_enabled(i915, aux_domain);
+ drm_WARN_ON(&i915->drm, aux_powered);
+ }
icl_tc_phy_disconnect(dig_port);
icl_tc_phy_connect(dig_port, required_lanes);
@@ -438,10 +511,13 @@ intel_tc_port_link_init_refcount(struct intel_digital_port *dig_port,
void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
{
+ struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
struct intel_encoder *encoder = &dig_port->base;
+ intel_wakeref_t tc_cold_wref;
int active_links = 0;
mutex_lock(&dig_port->tc_lock);
+ tc_cold_wref = tc_cold_block(dig_port);
dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port);
if (dig_port->dp.is_mst)
@@ -451,8 +527,9 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
if (active_links) {
if (!icl_tc_phy_is_connected(dig_port))
- DRM_DEBUG_KMS("Port %s: PHY disconnected with %d active link(s)\n",
- dig_port->tc_port_name, active_links);
+ drm_dbg_kms(&i915->drm,
+ "Port %s: PHY disconnected with %d active link(s)\n",
+ dig_port->tc_port_name, active_links);
intel_tc_port_link_init_refcount(dig_port, active_links);
goto out;
@@ -462,10 +539,11 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
icl_tc_phy_connect(dig_port, 1);
out:
- DRM_DEBUG_KMS("Port %s: sanitize mode (%s)\n",
- dig_port->tc_port_name,
- tc_port_mode_name(dig_port->tc_mode));
+ drm_dbg_kms(&i915->drm, "Port %s: sanitize mode (%s)\n",
+ dig_port->tc_port_name,
+ tc_port_mode_name(dig_port->tc_mode));
+ tc_cold_unblock(dig_port, tc_cold_wref);
mutex_unlock(&dig_port->tc_lock);
}
@@ -484,13 +562,19 @@ static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port)
* connected ports are usable, and avoids exposing to the users objects they
* can't really use.
*/
-bool intel_tc_port_connected(struct intel_digital_port *dig_port)
+bool intel_tc_port_connected(struct intel_encoder *encoder)
{
+ struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
bool is_connected;
+ intel_wakeref_t tc_cold_wref;
intel_tc_port_lock(dig_port);
+ tc_cold_wref = tc_cold_block(dig_port);
+
is_connected = tc_port_live_status_mask(dig_port) &
BIT(dig_port->tc_mode);
+
+ tc_cold_unblock(dig_port, tc_cold_wref);
intel_tc_port_unlock(dig_port);
return is_connected;
@@ -506,9 +590,16 @@ static void __intel_tc_port_lock(struct intel_digital_port *dig_port,
mutex_lock(&dig_port->tc_lock);
- if (!dig_port->tc_link_refcount &&
- intel_tc_port_needs_reset(dig_port))
- intel_tc_port_reset_mode(dig_port, required_lanes);
+ if (!dig_port->tc_link_refcount) {
+ intel_wakeref_t tc_cold_wref;
+
+ tc_cold_wref = tc_cold_block(dig_port);
+
+ if (intel_tc_port_needs_reset(dig_port))
+ intel_tc_port_reset_mode(dig_port, required_lanes);
+
+ tc_cold_unblock(dig_port, tc_cold_wref);
+ }
drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref);
dig_port->tc_lock_wakeref = wakeref;
diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h
index 463f1b3c836f..b619e4736f85 100644
--- a/drivers/gpu/drm/i915/display/intel_tc.h
+++ b/drivers/gpu/drm/i915/display/intel_tc.h
@@ -10,8 +10,9 @@
#include <linux/types.h>
struct intel_digital_port;
+struct intel_encoder;
-bool intel_tc_port_connected(struct intel_digital_port *dig_port);
+bool intel_tc_port_connected(struct intel_encoder *encoder);
u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c
index d2e3a3a323e9..fbe12aad7d58 100644
--- a/drivers/gpu/drm/i915/display/intel_tv.c
+++ b/drivers/gpu/drm/i915/display/intel_tv.c
@@ -914,7 +914,8 @@ intel_tv_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe)
}
static void
-intel_enable_tv(struct intel_encoder *encoder,
+intel_enable_tv(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -930,7 +931,8 @@ intel_enable_tv(struct intel_encoder *encoder,
}
static void
-intel_disable_tv(struct intel_encoder *encoder,
+intel_disable_tv(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
@@ -1414,7 +1416,8 @@ static void set_color_conversion(struct drm_i915_private *dev_priv,
(color_conversion->bv << 16) | color_conversion->av);
}
-static void intel_tv_pre_enable(struct intel_encoder *encoder,
+static void intel_tv_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -1698,13 +1701,13 @@ intel_tv_detect(struct drm_connector *connector,
struct drm_modeset_acquire_ctx *ctx,
bool force)
{
+ struct drm_i915_private *i915 = to_i915(connector->dev);
struct intel_tv *intel_tv = intel_attached_tv(to_intel_connector(connector));
enum drm_connector_status status;
int type;
- DRM_DEBUG_KMS("[CONNECTOR:%d:%s] force=%d\n",
- connector->base.id, connector->name,
- force);
+ drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] force=%d\n",
+ connector->base.id, connector->name, force);
if (force) {
struct intel_load_detect_pipe tmp;
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 05c7cbe32eb4..aef7fe932d1a 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -462,7 +462,7 @@ struct bdb_general_definitions {
* number = (block_size - sizeof(bdb_general_definitions))/
* defs->child_dev_size;
*/
- u8 devices[0];
+ u8 devices[];
} __packed;
/*
@@ -839,7 +839,7 @@ struct bdb_mipi_config {
struct bdb_mipi_sequence {
u8 version;
- u8 data[0]; /* up to 6 variable length blocks */
+ u8 data[]; /* up to 6 variable length blocks */
} __packed;
/*
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index f4c362dc6e15..f582ab52f0b0 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -267,7 +267,6 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder,
struct intel_dsi *intel_dsi = container_of(encoder, struct intel_dsi,
base);
struct intel_connector *intel_connector = intel_dsi->attached_connector;
- struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
const struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
int ret;
@@ -279,11 +278,11 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder,
intel_fixed_panel_mode(fixed_mode, adjusted_mode);
if (HAS_GMCH(dev_priv))
- intel_gmch_panel_fitting(crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_gmch_panel_fitting(pipe_config, conn_state);
else
- intel_pch_panel_fitting(crtc, pipe_config,
- conn_state->scaling_mode);
+ ret = intel_pch_panel_fitting(pipe_config, conn_state);
+ if (ret)
+ return ret;
}
if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -759,7 +758,8 @@ static void intel_dsi_unprepare(struct intel_encoder *encoder);
* DSI port enable has to be done before pipe and plane enable, so we do it in
* the pre_enable hook instead of the enable hook.
*/
-static void intel_dsi_pre_enable(struct intel_encoder *encoder,
+static void intel_dsi_pre_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
@@ -858,11 +858,12 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
}
-static void bxt_dsi_enable(struct intel_encoder *encoder,
+static void bxt_dsi_enable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state,
const struct drm_connector_state *conn_state)
{
- WARN_ON(crtc_state->has_pch_encoder);
+ drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder);
intel_crtc_vblank_on(crtc_state);
}
@@ -871,14 +872,16 @@ static void bxt_dsi_enable(struct intel_encoder *encoder,
* DSI port disable has to be done after pipe and plane disable, so we do it in
* the post_disable hook.
*/
-static void intel_dsi_disable(struct intel_encoder *encoder,
+static void intel_dsi_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
enum port port;
- DRM_DEBUG_KMS("\n");
+ drm_dbg_kms(&i915->drm, "\n");
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
intel_panel_disable_backlight(old_conn_state);
@@ -906,7 +909,8 @@ static void intel_dsi_clear_device_ready(struct intel_encoder *encoder)
vlv_dsi_clear_device_ready(encoder);
}
-static void intel_dsi_post_disable(struct intel_encoder *encoder,
+static void intel_dsi_post_disable(struct intel_atomic_state *state,
+ struct intel_encoder *encoder,
const struct intel_crtc_state *old_crtc_state,
const struct drm_connector_state *old_conn_state)
{
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
index 34be4c0ee7c5..bc0223716906 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_clflush.c
@@ -108,7 +108,7 @@ bool i915_gem_clflush_object(struct drm_i915_gem_object *obj,
if (clflush) {
i915_sw_fence_await_reservation(&clflush->base.chain,
obj->base.resv, NULL, true,
- I915_FENCE_TIMEOUT,
+ i915_fence_timeout(to_i915(obj->base.dev)),
I915_FENCE_GFP);
dma_resv_add_excl_fence(obj->base.resv, &clflush->base.dma);
dma_fence_work_commit(&clflush->base);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c
index 0598e5382a1d..d3a86a4d5c04 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_client_blt.c
@@ -6,7 +6,6 @@
#include "i915_drv.h"
#include "gt/intel_context.h"
#include "gt/intel_engine_pm.h"
-#include "gt/intel_engine_pool.h"
#include "i915_gem_client_blt.h"
#include "i915_gem_object_blt.h"
@@ -289,8 +288,7 @@ int i915_gem_schedule_fill_pages_blt(struct drm_i915_gem_object *obj,
i915_gem_object_lock(obj);
err = i915_sw_fence_await_reservation(&work->wait,
- obj->base.resv, NULL,
- true, I915_FENCE_TIMEOUT,
+ obj->base.resv, NULL, true, 0,
I915_FENCE_GFP);
if (err < 0) {
dma_fence_set_error(&work->dma, err);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 68326ad3b2e0..900ea8b7fc8f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -130,9 +130,7 @@ static void lut_close(struct i915_gem_context *ctx)
if (&lut->obj_link != &obj->lut_list) {
i915_lut_handle_free(lut);
radix_tree_iter_delete(&ctx->handles_vma, &iter, slot);
- if (atomic_dec_and_test(&vma->open_count) &&
- !i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
+ i915_vma_close(vma);
i915_gem_object_put(obj);
}
@@ -570,23 +568,19 @@ static void engines_idle_release(struct i915_gem_context *ctx,
engines->ctx = i915_gem_context_get(ctx);
for_each_gem_engine(ce, engines, it) {
- struct dma_fence *fence;
- int err = 0;
+ int err;
/* serialises with execbuf */
set_bit(CONTEXT_CLOSED_BIT, &ce->flags);
if (!intel_context_pin_if_active(ce))
continue;
- fence = i915_active_fence_get(&ce->timeline->last_request);
- if (fence) {
- err = i915_sw_fence_await_dma_fence(&engines->fence,
- fence, 0,
- GFP_KERNEL);
- dma_fence_put(fence);
- }
+ /* Wait until context is finally scheduled out and retired */
+ err = i915_sw_fence_await_active(&engines->fence,
+ &ce->active,
+ I915_ACTIVE_AWAIT_BARRIER);
intel_context_unpin(ce);
- if (err < 0)
+ if (err)
goto kill;
}
@@ -757,21 +751,46 @@ err_free:
return ERR_PTR(err);
}
+static inline struct i915_gem_engines *
+__context_engines_await(const struct i915_gem_context *ctx)
+{
+ struct i915_gem_engines *engines;
+
+ rcu_read_lock();
+ do {
+ engines = rcu_dereference(ctx->engines);
+ GEM_BUG_ON(!engines);
+
+ if (unlikely(!i915_sw_fence_await(&engines->fence)))
+ continue;
+
+ if (likely(engines == rcu_access_pointer(ctx->engines)))
+ break;
+
+ i915_sw_fence_complete(&engines->fence);
+ } while (1);
+ rcu_read_unlock();
+
+ return engines;
+}
+
static int
context_apply_all(struct i915_gem_context *ctx,
int (*fn)(struct intel_context *ce, void *data),
void *data)
{
struct i915_gem_engines_iter it;
+ struct i915_gem_engines *e;
struct intel_context *ce;
int err = 0;
- for_each_gem_engine(ce, i915_gem_context_lock_engines(ctx), it) {
+ e = __context_engines_await(ctx);
+ for_each_gem_engine(ce, e, it) {
err = fn(ce, data);
if (err)
break;
}
- i915_gem_context_unlock_engines(ctx);
+ i915_sw_fence_complete(&e->fence);
return err;
}
@@ -786,11 +805,13 @@ static int __apply_ppgtt(struct intel_context *ce, void *vm)
static struct i915_address_space *
__set_ppgtt(struct i915_gem_context *ctx, struct i915_address_space *vm)
{
- struct i915_address_space *old = i915_gem_context_vm(ctx);
+ struct i915_address_space *old;
+ old = rcu_replace_pointer(ctx->vm,
+ i915_vm_open(vm),
+ lockdep_is_held(&ctx->mutex));
GEM_BUG_ON(old && i915_vm_is_4lvl(vm) != i915_vm_is_4lvl(old));
- rcu_assign_pointer(ctx->vm, i915_vm_open(vm));
context_apply_all(ctx, __apply_ppgtt, vm);
return old;
@@ -1069,30 +1090,6 @@ static void cb_retire(struct i915_active *base)
kfree(cb);
}
-static inline struct i915_gem_engines *
-__context_engines_await(const struct i915_gem_context *ctx)
-{
- struct i915_gem_engines *engines;
-
- rcu_read_lock();
- do {
- engines = rcu_dereference(ctx->engines);
- if (unlikely(!engines))
- break;
-
- if (unlikely(!i915_sw_fence_await(&engines->fence)))
- continue;
-
- if (likely(engines == rcu_access_pointer(ctx->engines)))
- break;
-
- i915_sw_fence_complete(&engines->fence);
- } while (1);
- rcu_read_unlock();
-
- return engines;
-}
-
I915_SELFTEST_DECLARE(static intel_engine_mask_t context_barrier_inject_fault);
static int context_barrier_task(struct i915_gem_context *ctx,
intel_engine_mask_t engines,
@@ -1401,10 +1398,10 @@ static int get_ringsize(struct i915_gem_context *ctx,
return 0;
}
-static int
-user_to_context_sseu(struct drm_i915_private *i915,
- const struct drm_i915_gem_context_param_sseu *user,
- struct intel_sseu *context)
+int
+i915_gem_user_to_context_sseu(struct drm_i915_private *i915,
+ const struct drm_i915_gem_context_param_sseu *user,
+ struct intel_sseu *context)
{
const struct sseu_dev_info *device = &RUNTIME_INFO(i915)->sseu;
@@ -1539,7 +1536,7 @@ static int set_sseu(struct i915_gem_context *ctx,
goto out_ce;
}
- ret = user_to_context_sseu(i915, &user_sseu, &sseu);
+ ret = i915_gem_user_to_context_sseu(i915, &user_sseu, &sseu);
if (ret)
goto out_ce;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.h b/drivers/gpu/drm/i915/gem/i915_gem_context.h
index f1d884d304bd..3702b2fb27ab 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.h
@@ -225,4 +225,8 @@ i915_gem_engines_iter_next(struct i915_gem_engines_iter *it);
struct i915_lut_handle *i915_lut_handle_alloc(void);
void i915_lut_handle_free(struct i915_lut_handle *lut);
+int i915_gem_user_to_context_sseu(struct drm_i915_private *i915,
+ const struct drm_i915_gem_context_param_sseu *user,
+ struct intel_sseu *context);
+
#endif /* !__I915_GEM_CONTEXT_H__ */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index 0cc40e77bbd2..7f76fc68f498 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -368,8 +368,7 @@ static void i915_gem_object_bump_inactive_ggtt(struct drm_i915_gem_object *obj)
struct drm_i915_private *i915 = to_i915(obj->base.dev);
struct i915_vma *vma;
- GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
- if (!atomic_read(&obj->bind_count))
+ if (list_empty(&obj->vma.list))
return;
mutex_lock(&i915->ggtt.vm.mutex);
@@ -400,12 +399,8 @@ static void i915_gem_object_bump_inactive_ggtt(struct drm_i915_gem_object *obj)
void
i915_gem_object_unpin_from_display_plane(struct i915_vma *vma)
{
- struct drm_i915_gem_object *obj = vma->obj;
-
- assert_object_held(obj);
-
/* Bump the LRU to try and avoid premature eviction whilst flipping */
- i915_gem_object_bump_inactive_ggtt(obj);
+ i915_gem_object_bump_inactive_ggtt(vma->obj);
i915_vma_unpin(vma);
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index b7440f06c5e2..3ce185670ca4 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -15,8 +15,8 @@
#include "gem/i915_gem_ioctls.h"
#include "gt/intel_context.h"
-#include "gt/intel_engine_pool.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_buffer_pool.h"
#include "gt/intel_gt_pm.h"
#include "gt/intel_ring.h"
@@ -40,6 +40,11 @@ struct eb_vma {
u32 handle;
};
+struct eb_vma_array {
+ struct kref kref;
+ struct eb_vma vma[];
+};
+
enum {
FORCE_CPU_RELOC = 1,
FORCE_GTT_RELOC,
@@ -52,7 +57,6 @@ enum {
#define __EXEC_OBJECT_NEEDS_MAP BIT(29)
#define __EXEC_OBJECT_NEEDS_BIAS BIT(28)
#define __EXEC_OBJECT_INTERNAL_FLAGS (~0u << 28) /* all of the above */
-#define __EXEC_OBJECT_RESERVED (__EXEC_OBJECT_HAS_PIN | __EXEC_OBJECT_HAS_FENCE)
#define __EXEC_HAS_RELOC BIT(31)
#define __EXEC_INTERNAL_FLAGS (~0u << 31)
@@ -264,7 +268,9 @@ struct i915_execbuffer {
bool has_fence : 1;
bool needs_unfenced : 1;
+ struct i915_vma *target;
struct i915_request *rq;
+ struct i915_vma *rq_vma;
u32 *rq_cmd;
unsigned int rq_size;
} reloc_cache;
@@ -283,6 +289,7 @@ struct i915_execbuffer {
*/
int lut_size;
struct hlist_head *buckets; /** ht for relocation handles */
+ struct eb_vma_array *array;
};
static inline bool eb_use_cmdparser(const struct i915_execbuffer *eb)
@@ -292,8 +299,62 @@ static inline bool eb_use_cmdparser(const struct i915_execbuffer *eb)
eb->args->batch_len);
}
+static struct eb_vma_array *eb_vma_array_create(unsigned int count)
+{
+ struct eb_vma_array *arr;
+
+ arr = kvmalloc(struct_size(arr, vma, count), GFP_KERNEL | __GFP_NOWARN);
+ if (!arr)
+ return NULL;
+
+ kref_init(&arr->kref);
+ arr->vma[0].vma = NULL;
+
+ return arr;
+}
+
+static inline void eb_unreserve_vma(struct eb_vma *ev)
+{
+ struct i915_vma *vma = ev->vma;
+
+ if (unlikely(ev->flags & __EXEC_OBJECT_HAS_FENCE))
+ __i915_vma_unpin_fence(vma);
+
+ if (ev->flags & __EXEC_OBJECT_HAS_PIN)
+ __i915_vma_unpin(vma);
+
+ ev->flags &= ~(__EXEC_OBJECT_HAS_PIN |
+ __EXEC_OBJECT_HAS_FENCE);
+}
+
+static void eb_vma_array_destroy(struct kref *kref)
+{
+ struct eb_vma_array *arr = container_of(kref, typeof(*arr), kref);
+ struct eb_vma *ev = arr->vma;
+
+ while (ev->vma) {
+ eb_unreserve_vma(ev);
+ i915_vma_put(ev->vma);
+ ev++;
+ }
+
+ kvfree(arr);
+}
+
+static void eb_vma_array_put(struct eb_vma_array *arr)
+{
+ kref_put(&arr->kref, eb_vma_array_destroy);
+}
+
static int eb_create(struct i915_execbuffer *eb)
{
+ /* Allocate an extra slot for use by the command parser + sentinel */
+ eb->array = eb_vma_array_create(eb->buffer_count + 2);
+ if (!eb->array)
+ return -ENOMEM;
+
+ eb->vma = eb->array->vma;
+
if (!(eb->args->flags & I915_EXEC_HANDLE_LUT)) {
unsigned int size = 1 + ilog2(eb->buffer_count);
@@ -327,8 +388,10 @@ static int eb_create(struct i915_execbuffer *eb)
break;
} while (--size);
- if (unlikely(!size))
+ if (unlikely(!size)) {
+ eb_vma_array_put(eb->array);
return -ENOMEM;
+ }
eb->lut_size = size;
} else {
@@ -368,6 +431,32 @@ eb_vma_misplaced(const struct drm_i915_gem_exec_object2 *entry,
return false;
}
+static u64 eb_pin_flags(const struct drm_i915_gem_exec_object2 *entry,
+ unsigned int exec_flags)
+{
+ u64 pin_flags = 0;
+
+ if (exec_flags & EXEC_OBJECT_NEEDS_GTT)
+ pin_flags |= PIN_GLOBAL;
+
+ /*
+ * Wa32bitGeneralStateOffset & Wa32bitInstructionBaseOffset,
+ * limit address to the first 4GBs for unflagged objects.
+ */
+ if (!(exec_flags & EXEC_OBJECT_SUPPORTS_48B_ADDRESS))
+ pin_flags |= PIN_ZONE_4G;
+
+ if (exec_flags & __EXEC_OBJECT_NEEDS_MAP)
+ pin_flags |= PIN_MAPPABLE;
+
+ if (exec_flags & EXEC_OBJECT_PINNED)
+ pin_flags |= entry->offset | PIN_OFFSET_FIXED;
+ else if (exec_flags & __EXEC_OBJECT_NEEDS_BIAS)
+ pin_flags |= BATCH_OFFSET_BIAS | PIN_OFFSET_BIAS;
+
+ return pin_flags;
+}
+
static inline bool
eb_pin_vma(struct i915_execbuffer *eb,
const struct drm_i915_gem_exec_object2 *entry,
@@ -385,8 +474,19 @@ eb_pin_vma(struct i915_execbuffer *eb,
if (unlikely(ev->flags & EXEC_OBJECT_NEEDS_GTT))
pin_flags |= PIN_GLOBAL;
- if (unlikely(i915_vma_pin(vma, 0, 0, pin_flags)))
- return false;
+ /* Attempt to reuse the current location if available */
+ if (unlikely(i915_vma_pin(vma, 0, 0, pin_flags))) {
+ if (entry->flags & EXEC_OBJECT_PINNED)
+ return false;
+
+ /* Failing that pick any _free_ space if suitable */
+ if (unlikely(i915_vma_pin(vma,
+ entry->pad_to_size,
+ entry->alignment,
+ eb_pin_flags(entry, ev->flags) |
+ PIN_USER | PIN_NOEVICT)))
+ return false;
+ }
if (unlikely(ev->flags & EXEC_OBJECT_NEEDS_FENCE)) {
if (unlikely(i915_vma_pin_fence(vma))) {
@@ -402,26 +502,6 @@ eb_pin_vma(struct i915_execbuffer *eb,
return !eb_vma_misplaced(entry, vma, ev->flags);
}
-static inline void __eb_unreserve_vma(struct i915_vma *vma, unsigned int flags)
-{
- GEM_BUG_ON(!(flags & __EXEC_OBJECT_HAS_PIN));
-
- if (unlikely(flags & __EXEC_OBJECT_HAS_FENCE))
- __i915_vma_unpin_fence(vma);
-
- __i915_vma_unpin(vma);
-}
-
-static inline void
-eb_unreserve_vma(struct eb_vma *ev)
-{
- if (!(ev->flags & __EXEC_OBJECT_HAS_PIN))
- return;
-
- __eb_unreserve_vma(ev->vma, ev->flags);
- ev->flags &= ~__EXEC_OBJECT_RESERVED;
-}
-
static int
eb_validate_vma(struct i915_execbuffer *eb,
struct drm_i915_gem_exec_object2 *entry,
@@ -481,7 +561,7 @@ eb_add_vma(struct i915_execbuffer *eb,
GEM_BUG_ON(i915_vma_is_closed(vma));
- ev->vma = i915_vma_get(vma);
+ ev->vma = vma;
ev->exec = entry;
ev->flags = entry->flags;
@@ -547,28 +627,9 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb,
u64 pin_flags)
{
struct drm_i915_gem_exec_object2 *entry = ev->exec;
- unsigned int exec_flags = ev->flags;
struct i915_vma *vma = ev->vma;
int err;
- if (exec_flags & EXEC_OBJECT_NEEDS_GTT)
- pin_flags |= PIN_GLOBAL;
-
- /*
- * Wa32bitGeneralStateOffset & Wa32bitInstructionBaseOffset,
- * limit address to the first 4GBs for unflagged objects.
- */
- if (!(exec_flags & EXEC_OBJECT_SUPPORTS_48B_ADDRESS))
- pin_flags |= PIN_ZONE_4G;
-
- if (exec_flags & __EXEC_OBJECT_NEEDS_MAP)
- pin_flags |= PIN_MAPPABLE;
-
- if (exec_flags & EXEC_OBJECT_PINNED)
- pin_flags |= entry->offset | PIN_OFFSET_FIXED;
- else if (exec_flags & __EXEC_OBJECT_NEEDS_BIAS)
- pin_flags |= BATCH_OFFSET_BIAS | PIN_OFFSET_BIAS;
-
if (drm_mm_node_allocated(&vma->node) &&
eb_vma_misplaced(entry, vma, ev->flags)) {
err = i915_vma_unbind(vma);
@@ -578,7 +639,7 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb,
err = i915_vma_pin(vma,
entry->pad_to_size, entry->alignment,
- pin_flags);
+ eb_pin_flags(entry, ev->flags) | pin_flags);
if (err)
return err;
@@ -587,7 +648,7 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb,
eb->args->flags |= __EXEC_HAS_RELOC;
}
- if (unlikely(exec_flags & EXEC_OBJECT_NEEDS_FENCE)) {
+ if (unlikely(ev->flags & EXEC_OBJECT_NEEDS_FENCE)) {
err = i915_vma_pin_fence(vma);
if (unlikely(err)) {
i915_vma_unpin(vma);
@@ -595,10 +656,10 @@ static int eb_reserve_vma(const struct i915_execbuffer *eb,
}
if (vma->fence)
- exec_flags |= __EXEC_OBJECT_HAS_FENCE;
+ ev->flags |= __EXEC_OBJECT_HAS_FENCE;
}
- ev->flags = exec_flags | __EXEC_OBJECT_HAS_PIN;
+ ev->flags |= __EXEC_OBJECT_HAS_PIN;
GEM_BUG_ON(eb_vma_misplaced(entry, vma, ev->flags));
return 0;
@@ -728,77 +789,117 @@ static int eb_select_context(struct i915_execbuffer *eb)
return 0;
}
-static int eb_lookup_vmas(struct i915_execbuffer *eb)
+static int __eb_add_lut(struct i915_execbuffer *eb,
+ u32 handle, struct i915_vma *vma)
{
- struct radix_tree_root *handles_vma = &eb->gem_context->handles_vma;
- struct drm_i915_gem_object *obj;
- unsigned int i, batch;
+ struct i915_gem_context *ctx = eb->gem_context;
+ struct i915_lut_handle *lut;
int err;
- if (unlikely(i915_gem_context_is_closed(eb->gem_context)))
- return -ENOENT;
+ lut = i915_lut_handle_alloc();
+ if (unlikely(!lut))
+ return -ENOMEM;
- INIT_LIST_HEAD(&eb->relocs);
- INIT_LIST_HEAD(&eb->unbound);
+ i915_vma_get(vma);
+ if (!atomic_fetch_inc(&vma->open_count))
+ i915_vma_reopen(vma);
+ lut->handle = handle;
+ lut->ctx = ctx;
+
+ /* Check that the context hasn't been closed in the meantime */
+ err = -EINTR;
+ if (!mutex_lock_interruptible(&ctx->mutex)) {
+ err = -ENOENT;
+ if (likely(!i915_gem_context_is_closed(ctx)))
+ err = radix_tree_insert(&ctx->handles_vma, handle, vma);
+ if (err == 0) { /* And nor has this handle */
+ struct drm_i915_gem_object *obj = vma->obj;
+
+ i915_gem_object_lock(obj);
+ if (idr_find(&eb->file->object_idr, handle) == obj) {
+ list_add(&lut->obj_link, &obj->lut_list);
+ } else {
+ radix_tree_delete(&ctx->handles_vma, handle);
+ err = -ENOENT;
+ }
+ i915_gem_object_unlock(obj);
+ }
+ mutex_unlock(&ctx->mutex);
+ }
+ if (unlikely(err))
+ goto err;
- batch = eb_batch_index(eb);
+ return 0;
- for (i = 0; i < eb->buffer_count; i++) {
- u32 handle = eb->exec[i].handle;
- struct i915_lut_handle *lut;
+err:
+ i915_vma_close(vma);
+ i915_vma_put(vma);
+ i915_lut_handle_free(lut);
+ return err;
+}
+
+static struct i915_vma *eb_lookup_vma(struct i915_execbuffer *eb, u32 handle)
+{
+ do {
+ struct drm_i915_gem_object *obj;
struct i915_vma *vma;
+ int err;
- vma = radix_tree_lookup(handles_vma, handle);
+ rcu_read_lock();
+ vma = radix_tree_lookup(&eb->gem_context->handles_vma, handle);
if (likely(vma))
- goto add_vma;
+ vma = i915_vma_tryget(vma);
+ rcu_read_unlock();
+ if (likely(vma))
+ return vma;
obj = i915_gem_object_lookup(eb->file, handle);
- if (unlikely(!obj)) {
- err = -ENOENT;
- goto err_vma;
- }
+ if (unlikely(!obj))
+ return ERR_PTR(-ENOENT);
vma = i915_vma_instance(obj, eb->context->vm, NULL);
if (IS_ERR(vma)) {
- err = PTR_ERR(vma);
- goto err_obj;
+ i915_gem_object_put(obj);
+ return vma;
}
- lut = i915_lut_handle_alloc();
- if (unlikely(!lut)) {
- err = -ENOMEM;
- goto err_obj;
- }
+ err = __eb_add_lut(eb, handle, vma);
+ if (likely(!err))
+ return vma;
- err = radix_tree_insert(handles_vma, handle, vma);
- if (unlikely(err)) {
- i915_lut_handle_free(lut);
- goto err_obj;
- }
+ i915_gem_object_put(obj);
+ if (err != -EEXIST)
+ return ERR_PTR(err);
+ } while (1);
+}
- /* transfer ref to lut */
- if (!atomic_fetch_inc(&vma->open_count))
- i915_vma_reopen(vma);
- lut->handle = handle;
- lut->ctx = eb->gem_context;
+static int eb_lookup_vmas(struct i915_execbuffer *eb)
+{
+ unsigned int batch = eb_batch_index(eb);
+ unsigned int i;
+ int err = 0;
- i915_gem_object_lock(obj);
- list_add(&lut->obj_link, &obj->lut_list);
- i915_gem_object_unlock(obj);
+ INIT_LIST_HEAD(&eb->relocs);
+ INIT_LIST_HEAD(&eb->unbound);
+
+ for (i = 0; i < eb->buffer_count; i++) {
+ struct i915_vma *vma;
+
+ vma = eb_lookup_vma(eb, eb->exec[i].handle);
+ if (IS_ERR(vma)) {
+ err = PTR_ERR(vma);
+ break;
+ }
-add_vma:
err = eb_validate_vma(eb, &eb->exec[i], vma);
- if (unlikely(err))
- goto err_vma;
+ if (unlikely(err)) {
+ i915_vma_put(vma);
+ break;
+ }
eb_add_vma(eb, i, batch, vma);
}
- return 0;
-
-err_obj:
- i915_gem_object_put(obj);
-err_vma:
eb->vma[i].vma = NULL;
return err;
}
@@ -823,31 +924,13 @@ eb_get_vma(const struct i915_execbuffer *eb, unsigned long handle)
}
}
-static void eb_release_vmas(const struct i915_execbuffer *eb)
-{
- const unsigned int count = eb->buffer_count;
- unsigned int i;
-
- for (i = 0; i < count; i++) {
- struct eb_vma *ev = &eb->vma[i];
- struct i915_vma *vma = ev->vma;
-
- if (!vma)
- break;
-
- eb->vma[i].vma = NULL;
-
- if (ev->flags & __EXEC_OBJECT_HAS_PIN)
- __eb_unreserve_vma(vma, ev->flags);
-
- i915_vma_put(vma);
- }
-}
-
static void eb_destroy(const struct i915_execbuffer *eb)
{
GEM_BUG_ON(eb->reloc_cache.rq);
+ if (eb->array)
+ eb_vma_array_put(eb->array);
+
if (eb->lut_size > 0)
kfree(eb->buckets);
}
@@ -872,7 +955,7 @@ static void reloc_cache_init(struct reloc_cache *cache,
cache->needs_unfenced = INTEL_INFO(i915)->unfenced_needs_alignment;
cache->node.flags = 0;
cache->rq = NULL;
- cache->rq_size = 0;
+ cache->target = NULL;
}
static inline void *unmask_page(unsigned long p)
@@ -894,29 +977,122 @@ static inline struct i915_ggtt *cache_to_ggtt(struct reloc_cache *cache)
return &i915->ggtt;
}
-static void reloc_gpu_flush(struct reloc_cache *cache)
+#define RELOC_TAIL 4
+
+static int reloc_gpu_chain(struct reloc_cache *cache)
+{
+ struct intel_gt_buffer_pool_node *pool;
+ struct i915_request *rq = cache->rq;
+ struct i915_vma *batch;
+ u32 *cmd;
+ int err;
+
+ pool = intel_gt_get_buffer_pool(rq->engine->gt, PAGE_SIZE);
+ if (IS_ERR(pool))
+ return PTR_ERR(pool);
+
+ batch = i915_vma_instance(pool->obj, rq->context->vm, NULL);
+ if (IS_ERR(batch)) {
+ err = PTR_ERR(batch);
+ goto out_pool;
+ }
+
+ err = i915_vma_pin(batch, 0, 0, PIN_USER | PIN_NONBLOCK);
+ if (err)
+ goto out_pool;
+
+ GEM_BUG_ON(cache->rq_size + RELOC_TAIL > PAGE_SIZE / sizeof(u32));
+ cmd = cache->rq_cmd + cache->rq_size;
+ *cmd++ = MI_ARB_CHECK;
+ if (cache->gen >= 8)
+ *cmd++ = MI_BATCH_BUFFER_START_GEN8;
+ else if (cache->gen >= 6)
+ *cmd++ = MI_BATCH_BUFFER_START;
+ else
+ *cmd++ = MI_BATCH_BUFFER_START | MI_BATCH_GTT;
+ *cmd++ = lower_32_bits(batch->node.start);
+ *cmd++ = upper_32_bits(batch->node.start); /* Always 0 for gen<8 */
+ i915_gem_object_flush_map(cache->rq_vma->obj);
+ i915_gem_object_unpin_map(cache->rq_vma->obj);
+ cache->rq_vma = NULL;
+
+ err = intel_gt_buffer_pool_mark_active(pool, rq);
+ if (err == 0) {
+ i915_vma_lock(batch);
+ err = i915_request_await_object(rq, batch->obj, false);
+ if (err == 0)
+ err = i915_vma_move_to_active(batch, rq, 0);
+ i915_vma_unlock(batch);
+ }
+ i915_vma_unpin(batch);
+ if (err)
+ goto out_pool;
+
+ cmd = i915_gem_object_pin_map(batch->obj,
+ cache->has_llc ?
+ I915_MAP_FORCE_WB :
+ I915_MAP_FORCE_WC);
+ if (IS_ERR(cmd)) {
+ err = PTR_ERR(cmd);
+ goto out_pool;
+ }
+
+ /* Return with batch mapping (cmd) still pinned */
+ cache->rq_cmd = cmd;
+ cache->rq_size = 0;
+ cache->rq_vma = batch;
+
+out_pool:
+ intel_gt_buffer_pool_put(pool);
+ return err;
+}
+
+static unsigned int reloc_bb_flags(const struct reloc_cache *cache)
{
- struct drm_i915_gem_object *obj = cache->rq->batch->obj;
+ return cache->gen > 5 ? 0 : I915_DISPATCH_SECURE;
+}
+
+static int reloc_gpu_flush(struct reloc_cache *cache)
+{
+ struct i915_request *rq;
+ int err;
- GEM_BUG_ON(cache->rq_size >= obj->base.size / sizeof(u32));
- cache->rq_cmd[cache->rq_size] = MI_BATCH_BUFFER_END;
+ rq = fetch_and_zero(&cache->rq);
+ if (!rq)
+ return 0;
- __i915_gem_object_flush_map(obj, 0, sizeof(u32) * (cache->rq_size + 1));
- i915_gem_object_unpin_map(obj);
+ if (cache->rq_vma) {
+ struct drm_i915_gem_object *obj = cache->rq_vma->obj;
- intel_gt_chipset_flush(cache->rq->engine->gt);
+ GEM_BUG_ON(cache->rq_size >= obj->base.size / sizeof(u32));
+ cache->rq_cmd[cache->rq_size++] = MI_BATCH_BUFFER_END;
- i915_request_add(cache->rq);
- cache->rq = NULL;
+ __i915_gem_object_flush_map(obj,
+ 0, sizeof(u32) * cache->rq_size);
+ i915_gem_object_unpin_map(obj);
+ }
+
+ err = 0;
+ if (rq->engine->emit_init_breadcrumb)
+ err = rq->engine->emit_init_breadcrumb(rq);
+ if (!err)
+ err = rq->engine->emit_bb_start(rq,
+ rq->batch->node.start,
+ PAGE_SIZE,
+ reloc_bb_flags(cache));
+ if (err)
+ i915_request_set_error_once(rq, err);
+
+ intel_gt_chipset_flush(rq->engine->gt);
+ i915_request_add(rq);
+
+ return err;
}
static void reloc_cache_reset(struct reloc_cache *cache)
{
void *vaddr;
- if (cache->rq)
- reloc_gpu_flush(cache);
-
if (!cache->vaddr)
return;
@@ -1109,17 +1285,17 @@ static int reloc_move_to_gpu(struct i915_request *rq, struct i915_vma *vma)
}
static int __reloc_gpu_alloc(struct i915_execbuffer *eb,
- struct i915_vma *vma,
+ struct intel_engine_cs *engine,
unsigned int len)
{
struct reloc_cache *cache = &eb->reloc_cache;
- struct intel_engine_pool_node *pool;
+ struct intel_gt_buffer_pool_node *pool;
struct i915_request *rq;
struct i915_vma *batch;
u32 *cmd;
int err;
- pool = intel_engine_get_pool(eb->engine, PAGE_SIZE);
+ pool = intel_gt_get_buffer_pool(engine->gt, PAGE_SIZE);
if (IS_ERR(pool))
return PTR_ERR(pool);
@@ -1132,7 +1308,7 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb,
goto out_pool;
}
- batch = i915_vma_instance(pool->obj, vma->vm, NULL);
+ batch = i915_vma_instance(pool->obj, eb->context->vm, NULL);
if (IS_ERR(batch)) {
err = PTR_ERR(batch);
goto err_unmap;
@@ -1142,26 +1318,32 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb,
if (err)
goto err_unmap;
- rq = i915_request_create(eb->context);
+ if (engine == eb->context->engine) {
+ rq = i915_request_create(eb->context);
+ } else {
+ struct intel_context *ce;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce)) {
+ err = PTR_ERR(ce);
+ goto err_unpin;
+ }
+
+ i915_vm_put(ce->vm);
+ ce->vm = i915_vm_get(eb->context->vm);
+
+ rq = intel_context_create_request(ce);
+ intel_context_put(ce);
+ }
if (IS_ERR(rq)) {
err = PTR_ERR(rq);
goto err_unpin;
}
- err = intel_engine_pool_mark_active(pool, rq);
+ err = intel_gt_buffer_pool_mark_active(pool, rq);
if (err)
goto err_request;
- err = reloc_move_to_gpu(rq, vma);
- if (err)
- goto err_request;
-
- err = eb->engine->emit_bb_start(rq,
- batch->node.start, PAGE_SIZE,
- cache->gen > 5 ? 0 : I915_DISPATCH_SECURE);
- if (err)
- goto skip_request;
-
i915_vma_lock(batch);
err = i915_request_await_object(rq, batch->obj, false);
if (err == 0)
@@ -1176,6 +1358,7 @@ static int __reloc_gpu_alloc(struct i915_execbuffer *eb,
cache->rq = rq;
cache->rq_cmd = cmd;
cache->rq_size = 0;
+ cache->rq_vma = batch;
/* Return with batch mapping (cmd) still pinned */
goto out_pool;
@@ -1189,124 +1372,206 @@ err_unpin:
err_unmap:
i915_gem_object_unpin_map(pool->obj);
out_pool:
- intel_engine_pool_put(pool);
+ intel_gt_buffer_pool_put(pool);
return err;
}
+static bool reloc_can_use_engine(const struct intel_engine_cs *engine)
+{
+ return engine->class != VIDEO_DECODE_CLASS || !IS_GEN(engine->i915, 6);
+}
+
static u32 *reloc_gpu(struct i915_execbuffer *eb,
struct i915_vma *vma,
unsigned int len)
{
struct reloc_cache *cache = &eb->reloc_cache;
u32 *cmd;
-
- if (cache->rq_size > PAGE_SIZE/sizeof(u32) - (len + 1))
- reloc_gpu_flush(cache);
+ int err;
if (unlikely(!cache->rq)) {
- int err;
+ struct intel_engine_cs *engine = eb->engine;
- if (!intel_engine_can_store_dword(eb->engine))
- return ERR_PTR(-ENODEV);
+ if (!reloc_can_use_engine(engine)) {
+ engine = engine->gt->engine_class[COPY_ENGINE_CLASS][0];
+ if (!engine)
+ return ERR_PTR(-ENODEV);
+ }
- err = __reloc_gpu_alloc(eb, vma, len);
+ err = __reloc_gpu_alloc(eb, engine, len);
if (unlikely(err))
return ERR_PTR(err);
}
+ if (vma != cache->target) {
+ err = reloc_move_to_gpu(cache->rq, vma);
+ if (unlikely(err)) {
+ i915_request_set_error_once(cache->rq, err);
+ return ERR_PTR(err);
+ }
+
+ cache->target = vma;
+ }
+
+ if (unlikely(cache->rq_size + len >
+ PAGE_SIZE / sizeof(u32) - RELOC_TAIL)) {
+ err = reloc_gpu_chain(cache);
+ if (unlikely(err)) {
+ i915_request_set_error_once(cache->rq, err);
+ return ERR_PTR(err);
+ }
+ }
+
+ GEM_BUG_ON(cache->rq_size + len >= PAGE_SIZE / sizeof(u32));
cmd = cache->rq_cmd + cache->rq_size;
cache->rq_size += len;
return cmd;
}
-static u64
-relocate_entry(struct i915_vma *vma,
- const struct drm_i915_gem_relocation_entry *reloc,
- struct i915_execbuffer *eb,
- const struct i915_vma *target)
+static inline bool use_reloc_gpu(struct i915_vma *vma)
{
- u64 offset = reloc->offset;
- u64 target_offset = relocation_target(reloc, target);
- bool wide = eb->reloc_cache.use_64bit_reloc;
- void *vaddr;
+ if (DBG_FORCE_RELOC == FORCE_GPU_RELOC)
+ return true;
- if (!eb->reloc_cache.vaddr &&
- (DBG_FORCE_RELOC == FORCE_GPU_RELOC ||
- !dma_resv_test_signaled_rcu(vma->resv, true))) {
- const unsigned int gen = eb->reloc_cache.gen;
- unsigned int len;
- u32 *batch;
- u64 addr;
-
- if (wide)
- len = offset & 7 ? 8 : 5;
- else if (gen >= 4)
- len = 4;
- else
- len = 3;
+ if (DBG_FORCE_RELOC)
+ return false;
- batch = reloc_gpu(eb, vma, len);
- if (IS_ERR(batch))
- goto repeat;
+ return !dma_resv_test_signaled_rcu(vma->resv, true);
+}
- addr = gen8_canonical_addr(vma->node.start + offset);
- if (wide) {
- if (offset & 7) {
- *batch++ = MI_STORE_DWORD_IMM_GEN4;
- *batch++ = lower_32_bits(addr);
- *batch++ = upper_32_bits(addr);
- *batch++ = lower_32_bits(target_offset);
-
- addr = gen8_canonical_addr(addr + 4);
-
- *batch++ = MI_STORE_DWORD_IMM_GEN4;
- *batch++ = lower_32_bits(addr);
- *batch++ = upper_32_bits(addr);
- *batch++ = upper_32_bits(target_offset);
- } else {
- *batch++ = (MI_STORE_DWORD_IMM_GEN4 | (1 << 21)) + 1;
- *batch++ = lower_32_bits(addr);
- *batch++ = upper_32_bits(addr);
- *batch++ = lower_32_bits(target_offset);
- *batch++ = upper_32_bits(target_offset);
- }
- } else if (gen >= 6) {
+static unsigned long vma_phys_addr(struct i915_vma *vma, u32 offset)
+{
+ struct page *page;
+ unsigned long addr;
+
+ GEM_BUG_ON(vma->pages != vma->obj->mm.pages);
+
+ page = i915_gem_object_get_page(vma->obj, offset >> PAGE_SHIFT);
+ addr = PFN_PHYS(page_to_pfn(page));
+ GEM_BUG_ON(overflows_type(addr, u32)); /* expected dma32 */
+
+ return addr + offset_in_page(offset);
+}
+
+static bool __reloc_entry_gpu(struct i915_execbuffer *eb,
+ struct i915_vma *vma,
+ u64 offset,
+ u64 target_addr)
+{
+ const unsigned int gen = eb->reloc_cache.gen;
+ unsigned int len;
+ u32 *batch;
+ u64 addr;
+
+ if (gen >= 8)
+ len = offset & 7 ? 8 : 5;
+ else if (gen >= 4)
+ len = 4;
+ else
+ len = 3;
+
+ batch = reloc_gpu(eb, vma, len);
+ if (IS_ERR(batch))
+ return false;
+
+ addr = gen8_canonical_addr(vma->node.start + offset);
+ if (gen >= 8) {
+ if (offset & 7) {
*batch++ = MI_STORE_DWORD_IMM_GEN4;
- *batch++ = 0;
- *batch++ = addr;
- *batch++ = target_offset;
- } else if (gen >= 4) {
- *batch++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
- *batch++ = 0;
- *batch++ = addr;
- *batch++ = target_offset;
+ *batch++ = lower_32_bits(addr);
+ *batch++ = upper_32_bits(addr);
+ *batch++ = lower_32_bits(target_addr);
+
+ addr = gen8_canonical_addr(addr + 4);
+
+ *batch++ = MI_STORE_DWORD_IMM_GEN4;
+ *batch++ = lower_32_bits(addr);
+ *batch++ = upper_32_bits(addr);
+ *batch++ = upper_32_bits(target_addr);
} else {
- *batch++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL;
- *batch++ = addr;
- *batch++ = target_offset;
+ *batch++ = (MI_STORE_DWORD_IMM_GEN4 | (1 << 21)) + 1;
+ *batch++ = lower_32_bits(addr);
+ *batch++ = upper_32_bits(addr);
+ *batch++ = lower_32_bits(target_addr);
+ *batch++ = upper_32_bits(target_addr);
}
-
- goto out;
+ } else if (gen >= 6) {
+ *batch++ = MI_STORE_DWORD_IMM_GEN4;
+ *batch++ = 0;
+ *batch++ = addr;
+ *batch++ = target_addr;
+ } else if (IS_I965G(eb->i915)) {
+ *batch++ = MI_STORE_DWORD_IMM_GEN4;
+ *batch++ = 0;
+ *batch++ = vma_phys_addr(vma, offset);
+ *batch++ = target_addr;
+ } else if (gen >= 4) {
+ *batch++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
+ *batch++ = 0;
+ *batch++ = addr;
+ *batch++ = target_addr;
+ } else if (gen >= 3 &&
+ !(IS_I915G(eb->i915) || IS_I915GM(eb->i915))) {
+ *batch++ = MI_STORE_DWORD_IMM | MI_MEM_VIRTUAL;
+ *batch++ = addr;
+ *batch++ = target_addr;
+ } else {
+ *batch++ = MI_STORE_DWORD_IMM;
+ *batch++ = vma_phys_addr(vma, offset);
+ *batch++ = target_addr;
}
+ return true;
+}
+
+static bool reloc_entry_gpu(struct i915_execbuffer *eb,
+ struct i915_vma *vma,
+ u64 offset,
+ u64 target_addr)
+{
+ if (eb->reloc_cache.vaddr)
+ return false;
+
+ if (!use_reloc_gpu(vma))
+ return false;
+
+ return __reloc_entry_gpu(eb, vma, offset, target_addr);
+}
+
+static u64
+relocate_entry(struct i915_vma *vma,
+ const struct drm_i915_gem_relocation_entry *reloc,
+ struct i915_execbuffer *eb,
+ const struct i915_vma *target)
+{
+ u64 target_addr = relocation_target(reloc, target);
+ u64 offset = reloc->offset;
+
+ if (!reloc_entry_gpu(eb, vma, offset, target_addr)) {
+ bool wide = eb->reloc_cache.use_64bit_reloc;
+ void *vaddr;
+
repeat:
- vaddr = reloc_vaddr(vma->obj, &eb->reloc_cache, offset >> PAGE_SHIFT);
- if (IS_ERR(vaddr))
- return PTR_ERR(vaddr);
+ vaddr = reloc_vaddr(vma->obj,
+ &eb->reloc_cache,
+ offset >> PAGE_SHIFT);
+ if (IS_ERR(vaddr))
+ return PTR_ERR(vaddr);
- clflush_write32(vaddr + offset_in_page(offset),
- lower_32_bits(target_offset),
- eb->reloc_cache.vaddr);
+ GEM_BUG_ON(!IS_ALIGNED(offset, sizeof(u32)));
+ clflush_write32(vaddr + offset_in_page(offset),
+ lower_32_bits(target_addr),
+ eb->reloc_cache.vaddr);
- if (wide) {
- offset += sizeof(u32);
- target_offset >>= 32;
- wide = false;
- goto repeat;
+ if (wide) {
+ offset += sizeof(u32);
+ target_addr >>= 32;
+ wide = false;
+ goto repeat;
+ }
}
-out:
return target->node.start | UPDATE;
}
@@ -1411,12 +1676,11 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev)
{
#define N_RELOC(x) ((x) / sizeof(struct drm_i915_gem_relocation_entry))
struct drm_i915_gem_relocation_entry stack[N_RELOC(512)];
- struct drm_i915_gem_relocation_entry __user *urelocs;
const struct drm_i915_gem_exec_object2 *entry = ev->exec;
- unsigned int remain;
+ struct drm_i915_gem_relocation_entry __user *urelocs =
+ u64_to_user_ptr(entry->relocs_ptr);
+ unsigned long remain = entry->relocation_count;
- urelocs = u64_to_user_ptr(entry->relocs_ptr);
- remain = entry->relocation_count;
if (unlikely(remain > N_RELOC(ULONG_MAX)))
return -EINVAL;
@@ -1425,13 +1689,13 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct eb_vma *ev)
* to read. However, if the array is not writable the user loses
* the updated relocation values.
*/
- if (unlikely(!access_ok(urelocs, remain*sizeof(*urelocs))))
+ if (unlikely(!access_ok(urelocs, remain * sizeof(*urelocs))))
return -EFAULT;
do {
struct drm_i915_gem_relocation_entry *r = stack;
unsigned int count =
- min_t(unsigned int, remain, ARRAY_SIZE(stack));
+ min_t(unsigned long, remain, ARRAY_SIZE(stack));
unsigned int copied;
/*
@@ -1494,9 +1758,7 @@ static int eb_relocate(struct i915_execbuffer *eb)
{
int err;
- mutex_lock(&eb->gem_context->mutex);
err = eb_lookup_vmas(eb);
- mutex_unlock(&eb->gem_context->mutex);
if (err)
return err;
@@ -1509,15 +1771,20 @@ static int eb_relocate(struct i915_execbuffer *eb)
/* The objects are in their final locations, apply the relocations. */
if (eb->args->flags & __EXEC_HAS_RELOC) {
struct eb_vma *ev;
+ int flush;
list_for_each_entry(ev, &eb->relocs, reloc_link) {
err = eb_relocate_vma(eb, ev);
if (err)
- return err;
+ break;
}
+
+ flush = reloc_gpu_flush(&eb->reloc_cache);
+ if (!err)
+ err = flush;
}
- return 0;
+ return err;
}
static int eb_move_to_gpu(struct i915_execbuffer *eb)
@@ -1597,19 +1864,15 @@ static int eb_move_to_gpu(struct i915_execbuffer *eb)
err = i915_vma_move_to_active(vma, eb->request, flags);
i915_vma_unlock(vma);
-
- __eb_unreserve_vma(vma, flags);
- i915_vma_put(vma);
-
- ev->vma = NULL;
+ eb_unreserve_vma(ev);
}
ww_acquire_fini(&acquire);
+ eb_vma_array_put(fetch_and_zero(&eb->array));
+
if (unlikely(err))
goto err_skip;
- eb->exec = NULL;
-
/* Unconditionally flush any chipset caches (for streaming writes). */
intel_gt_chipset_flush(eb->engine->gt);
return 0;
@@ -1784,7 +2047,7 @@ static int eb_parse_pipeline(struct i915_execbuffer *eb,
dma_resv_add_excl_fence(shadow->resv, &pw->base.dma);
dma_resv_unlock(shadow->resv);
- dma_fence_work_commit(&pw->base);
+ dma_fence_work_commit_imm(&pw->base);
return 0;
err_batch_unlock:
@@ -1804,7 +2067,7 @@ err_free:
static int eb_parse(struct i915_execbuffer *eb)
{
struct drm_i915_private *i915 = eb->i915;
- struct intel_engine_pool_node *pool;
+ struct intel_gt_buffer_pool_node *pool;
struct i915_vma *shadow, *trampoline;
unsigned int len;
int err;
@@ -1827,7 +2090,7 @@ static int eb_parse(struct i915_execbuffer *eb)
len += I915_CMD_PARSER_TRAMPOLINE_SIZE;
}
- pool = intel_engine_get_pool(eb->engine, len);
+ pool = intel_gt_get_buffer_pool(eb->engine->gt, len);
if (IS_ERR(pool))
return PTR_ERR(pool);
@@ -1861,6 +2124,7 @@ static int eb_parse(struct i915_execbuffer *eb)
eb->vma[eb->buffer_count].vma = i915_vma_get(shadow);
eb->vma[eb->buffer_count].flags = __EXEC_OBJECT_HAS_PIN;
eb->batch = &eb->vma[eb->buffer_count++];
+ eb->vma[eb->buffer_count].vma = NULL;
eb->trampoline = trampoline;
eb->batch_start_offset = 0;
@@ -1874,7 +2138,7 @@ err_trampoline:
err_shadow:
i915_vma_unpin(shadow);
err:
- intel_engine_pool_put(pool);
+ intel_gt_buffer_pool_put(pool);
return err;
}
@@ -2318,39 +2582,13 @@ static void eb_request_add(struct i915_execbuffer *eb)
/* Check that the context wasn't destroyed before submission */
if (likely(!intel_context_is_closed(eb->context))) {
attr = eb->gem_context->sched;
-
- /*
- * Boost actual workloads past semaphores!
- *
- * With semaphores we spin on one engine waiting for another,
- * simply to reduce the latency of starting our work when
- * the signaler completes. However, if there is any other
- * work that we could be doing on this engine instead, that
- * is better utilisation and will reduce the overall duration
- * of the current work. To avoid PI boosting a semaphore
- * far in the distance past over useful work, we keep a history
- * of any semaphore use along our dependency chain.
- */
- if (!(rq->sched.flags & I915_SCHED_HAS_SEMAPHORE_CHAIN))
- attr.priority |= I915_PRIORITY_NOSEMAPHORE;
-
- /*
- * Boost priorities to new clients (new request flows).
- *
- * Allow interactive/synchronous clients to jump ahead of
- * the bulk clients. (FQ_CODEL)
- */
- if (list_empty(&rq->sched.signalers_list))
- attr.priority |= I915_PRIORITY_WAIT;
} else {
/* Serialise with context_close via the add_to_timeline */
i915_request_set_error_once(rq, -ENOENT);
__i915_request_skip(rq);
}
- local_bh_disable();
__i915_request_queue(rq, &attr);
- local_bh_enable(); /* Kick the execlists tasklet if just scheduled */
/* Try to clean up the client's timeline after submitting the request */
if (prev)
@@ -2369,7 +2607,6 @@ i915_gem_do_execbuffer(struct drm_device *dev,
struct drm_i915_private *i915 = to_i915(dev);
struct i915_execbuffer eb;
struct dma_fence *in_fence = NULL;
- struct dma_fence *exec_fence = NULL;
struct sync_file *out_fence = NULL;
struct i915_vma *batch;
int out_fence_fd = -1;
@@ -2386,8 +2623,6 @@ i915_gem_do_execbuffer(struct drm_device *dev,
args->flags |= __EXEC_HAS_RELOC;
eb.exec = exec;
- eb.vma = (struct eb_vma *)(exec + args->buffer_count + 1);
- eb.vma[0].vma = NULL;
eb.invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS;
reloc_cache_init(&eb.reloc_cache, eb.i915);
@@ -2414,30 +2649,22 @@ i915_gem_do_execbuffer(struct drm_device *dev,
if (args->flags & I915_EXEC_IS_PINNED)
eb.batch_flags |= I915_DISPATCH_PINNED;
- if (args->flags & I915_EXEC_FENCE_IN) {
+#define IN_FENCES (I915_EXEC_FENCE_IN | I915_EXEC_FENCE_SUBMIT)
+ if (args->flags & IN_FENCES) {
+ if ((args->flags & IN_FENCES) == IN_FENCES)
+ return -EINVAL;
+
in_fence = sync_file_get_fence(lower_32_bits(args->rsvd2));
if (!in_fence)
return -EINVAL;
}
-
- if (args->flags & I915_EXEC_FENCE_SUBMIT) {
- if (in_fence) {
- err = -EINVAL;
- goto err_in_fence;
- }
-
- exec_fence = sync_file_get_fence(lower_32_bits(args->rsvd2));
- if (!exec_fence) {
- err = -EINVAL;
- goto err_in_fence;
- }
- }
+#undef IN_FENCES
if (args->flags & I915_EXEC_FENCE_OUT) {
out_fence_fd = get_unused_fd_flags(O_CLOEXEC);
if (out_fence_fd < 0) {
err = out_fence_fd;
- goto err_exec_fence;
+ goto err_in_fence;
}
}
@@ -2528,14 +2755,13 @@ i915_gem_do_execbuffer(struct drm_device *dev,
}
if (in_fence) {
- err = i915_request_await_dma_fence(eb.request, in_fence);
- if (err < 0)
- goto err_request;
- }
-
- if (exec_fence) {
- err = i915_request_await_execution(eb.request, exec_fence,
- eb.engine->bond_execute);
+ if (args->flags & I915_EXEC_FENCE_SUBMIT)
+ err = i915_request_await_execution(eb.request,
+ in_fence,
+ eb.engine->bond_execute);
+ else
+ err = i915_request_await_dma_fence(eb.request,
+ in_fence);
if (err < 0)
goto err_request;
}
@@ -2563,7 +2789,7 @@ i915_gem_do_execbuffer(struct drm_device *dev,
*/
eb.request->batch = batch;
if (batch->private)
- intel_engine_pool_mark_active(batch->private, eb.request);
+ intel_gt_buffer_pool_mark_active(batch->private, eb.request);
trace_i915_request_queue(eb.request, eb.batch_flags);
err = eb_submit(&eb, batch);
@@ -2592,10 +2818,8 @@ err_batch_unpin:
i915_vma_unpin(batch);
err_parse:
if (batch->private)
- intel_engine_pool_put(batch->private);
+ intel_gt_buffer_pool_put(batch->private);
err_vma:
- if (eb.exec)
- eb_release_vmas(&eb);
if (eb.trampoline)
i915_vma_unpin(eb.trampoline);
eb_unpin_engine(&eb);
@@ -2606,8 +2830,6 @@ err_destroy:
err_out_fence:
if (out_fence_fd != -1)
put_unused_fd(out_fence_fd);
-err_exec_fence:
- dma_fence_put(exec_fence);
err_in_fence:
dma_fence_put(in_fence);
return err;
@@ -2615,7 +2837,7 @@ err_in_fence:
static size_t eb_element_size(void)
{
- return sizeof(struct drm_i915_gem_exec_object2) + sizeof(struct eb_vma);
+ return sizeof(struct drm_i915_gem_exec_object2);
}
static bool check_buffer_count(size_t count)
@@ -2671,7 +2893,7 @@ i915_gem_execbuffer_ioctl(struct drm_device *dev, void *data,
/* Copy in the exec list from userland */
exec_list = kvmalloc_array(count, sizeof(*exec_list),
__GFP_NOWARN | GFP_KERNEL);
- exec2_list = kvmalloc_array(count + 1, eb_element_size(),
+ exec2_list = kvmalloc_array(count, eb_element_size(),
__GFP_NOWARN | GFP_KERNEL);
if (exec_list == NULL || exec2_list == NULL) {
drm_dbg(&i915->drm,
@@ -2749,8 +2971,7 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data,
if (err)
return err;
- /* Allocate an extra slot for use by the command parser */
- exec2_list = kvmalloc_array(count + 1, eb_element_size(),
+ exec2_list = kvmalloc_array(count, eb_element_size(),
__GFP_NOWARN | GFP_KERNEL);
if (exec2_list == NULL) {
drm_dbg(&i915->drm, "Failed to allocate exec list for %zd buffers\n",
@@ -2794,7 +3015,8 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data,
* And this range already got effectively checked earlier
* when we did the "copy_from_user()" above.
*/
- if (!user_access_begin(user_exec_list, count * sizeof(*user_exec_list)))
+ if (!user_write_access_begin(user_exec_list,
+ count * sizeof(*user_exec_list)))
goto end;
for (i = 0; i < args->buffer_count; i++) {
@@ -2808,7 +3030,7 @@ i915_gem_execbuffer2_ioctl(struct drm_device *dev, void *data,
end_user);
}
end_user:
- user_access_end();
+ user_write_access_end();
end:;
}
@@ -2817,3 +3039,7 @@ end:;
kvfree(exec2_list);
return err;
}
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+#include "selftests/i915_gem_execbuffer.c"
+#endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_fence.c b/drivers/gpu/drm/i915/gem/i915_gem_fence.c
index 2f6100ec2608..8ab842c80f99 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_fence.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_fence.c
@@ -72,8 +72,8 @@ i915_gem_object_lock_fence(struct drm_i915_gem_object *obj)
0, 0);
if (i915_sw_fence_await_reservation(&stub->chain,
- obj->base.resv, NULL,
- true, I915_FENCE_TIMEOUT,
+ obj->base.resv, NULL, true,
+ i915_fence_timeout(to_i915(obj->base.dev)),
I915_FENCE_GFP) < 0)
goto err;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index b39c24dae64e..70f5f82da288 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -396,6 +396,38 @@ err:
return i915_error_to_vmf_fault(ret);
}
+static int
+vm_access(struct vm_area_struct *area, unsigned long addr,
+ void *buf, int len, int write)
+{
+ struct i915_mmap_offset *mmo = area->vm_private_data;
+ struct drm_i915_gem_object *obj = mmo->obj;
+ void *vaddr;
+
+ if (i915_gem_object_is_readonly(obj) && write)
+ return -EACCES;
+
+ addr -= area->vm_start;
+ if (addr >= obj->base.size)
+ return -EINVAL;
+
+ /* As this is primarily for debugging, let's focus on simplicity */
+ vaddr = i915_gem_object_pin_map(obj, I915_MAP_FORCE_WC);
+ if (IS_ERR(vaddr))
+ return PTR_ERR(vaddr);
+
+ if (write) {
+ memcpy(vaddr + addr, buf, len);
+ __i915_gem_object_flush_map(obj, addr, len);
+ } else {
+ memcpy(buf, vaddr + addr, len);
+ }
+
+ i915_gem_object_unpin_map(obj);
+
+ return len;
+}
+
void __i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj)
{
struct i915_vma *vma;
@@ -745,12 +777,14 @@ static void vm_close(struct vm_area_struct *vma)
static const struct vm_operations_struct vm_ops_gtt = {
.fault = vm_fault_gtt,
+ .access = vm_access,
.open = vm_open,
.close = vm_close,
};
static const struct vm_operations_struct vm_ops_cpu = {
.fault = vm_fault_cpu,
+ .access = vm_access,
.open = vm_open,
.close = vm_close,
};
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 5da9f9e534b9..99356c00c19e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -135,9 +135,7 @@ void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *file)
if (vma) {
GEM_BUG_ON(vma->obj != obj);
GEM_BUG_ON(!atomic_read(&vma->open_count));
- if (atomic_dec_and_test(&vma->open_count) &&
- !i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
+ i915_vma_close(vma);
}
mutex_unlock(&ctx->mutex);
@@ -164,9 +162,7 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
struct llist_node *freed)
{
struct drm_i915_gem_object *obj, *on;
- intel_wakeref_t wakeref;
- wakeref = intel_runtime_pm_get(&i915->runtime_pm);
llist_for_each_entry_safe(obj, on, freed, freed) {
struct i915_mmap_offset *mmo, *mn;
@@ -206,7 +202,6 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
}
obj->mmo.offsets = RB_ROOT;
- GEM_BUG_ON(atomic_read(&obj->bind_count));
GEM_BUG_ON(obj->userfault_count);
GEM_BUG_ON(!list_empty(&obj->lut_list));
@@ -227,7 +222,6 @@ static void __i915_gem_free_objects(struct drm_i915_private *i915,
call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
cond_resched();
}
- intel_runtime_pm_put(&i915->runtime_pm, wakeref);
}
void i915_gem_flush_free_objects(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c
index e00792158f13..f457d7130491 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.c
@@ -6,8 +6,8 @@
#include "i915_drv.h"
#include "gt/intel_context.h"
#include "gt/intel_engine_pm.h"
-#include "gt/intel_engine_pool.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gt_buffer_pool.h"
#include "gt/intel_ring.h"
#include "i915_gem_clflush.h"
#include "i915_gem_object_blt.h"
@@ -18,7 +18,7 @@ struct i915_vma *intel_emit_vma_fill_blt(struct intel_context *ce,
{
struct drm_i915_private *i915 = ce->vm->i915;
const u32 block_size = SZ_8M; /* ~1ms at 8GiB/s preemption delay */
- struct intel_engine_pool_node *pool;
+ struct intel_gt_buffer_pool_node *pool;
struct i915_vma *batch;
u64 offset;
u64 count;
@@ -33,7 +33,7 @@ struct i915_vma *intel_emit_vma_fill_blt(struct intel_context *ce,
count = div_u64(round_up(vma->size, block_size), block_size);
size = (1 + 8 * count) * sizeof(u32);
size = round_up(size, PAGE_SIZE);
- pool = intel_engine_get_pool(ce->engine, size);
+ pool = intel_gt_get_buffer_pool(ce->engine->gt, size);
if (IS_ERR(pool)) {
err = PTR_ERR(pool);
goto out_pm;
@@ -78,10 +78,12 @@ struct i915_vma *intel_emit_vma_fill_blt(struct intel_context *ce,
} while (rem);
*cmd = MI_BATCH_BUFFER_END;
- intel_gt_chipset_flush(ce->vm->gt);
+ i915_gem_object_flush_map(pool->obj);
i915_gem_object_unpin_map(pool->obj);
+ intel_gt_chipset_flush(ce->vm->gt);
+
batch = i915_vma_instance(pool->obj, ce->vm, NULL);
if (IS_ERR(batch)) {
err = PTR_ERR(batch);
@@ -96,7 +98,7 @@ struct i915_vma *intel_emit_vma_fill_blt(struct intel_context *ce,
return batch;
out_put:
- intel_engine_pool_put(pool);
+ intel_gt_buffer_pool_put(pool);
out_pm:
intel_engine_pm_put(ce->engine);
return ERR_PTR(err);
@@ -114,13 +116,13 @@ int intel_emit_vma_mark_active(struct i915_vma *vma, struct i915_request *rq)
if (unlikely(err))
return err;
- return intel_engine_pool_mark_active(vma->private, rq);
+ return intel_gt_buffer_pool_mark_active(vma->private, rq);
}
void intel_emit_vma_release(struct intel_context *ce, struct i915_vma *vma)
{
i915_vma_unpin(vma);
- intel_engine_pool_put(vma->private);
+ intel_gt_buffer_pool_put(vma->private);
intel_engine_pm_put(ce->engine);
}
@@ -213,7 +215,7 @@ struct i915_vma *intel_emit_vma_copy_blt(struct intel_context *ce,
{
struct drm_i915_private *i915 = ce->vm->i915;
const u32 block_size = SZ_8M; /* ~1ms at 8GiB/s preemption delay */
- struct intel_engine_pool_node *pool;
+ struct intel_gt_buffer_pool_node *pool;
struct i915_vma *batch;
u64 src_offset, dst_offset;
u64 count, rem;
@@ -228,7 +230,7 @@ struct i915_vma *intel_emit_vma_copy_blt(struct intel_context *ce,
count = div_u64(round_up(dst->size, block_size), block_size);
size = (1 + 11 * count) * sizeof(u32);
size = round_up(size, PAGE_SIZE);
- pool = intel_engine_get_pool(ce->engine, size);
+ pool = intel_gt_get_buffer_pool(ce->engine->gt, size);
if (IS_ERR(pool)) {
err = PTR_ERR(pool);
goto out_pm;
@@ -289,10 +291,12 @@ struct i915_vma *intel_emit_vma_copy_blt(struct intel_context *ce,
} while (rem);
*cmd = MI_BATCH_BUFFER_END;
- intel_gt_chipset_flush(ce->vm->gt);
+ i915_gem_object_flush_map(pool->obj);
i915_gem_object_unpin_map(pool->obj);
+ intel_gt_chipset_flush(ce->vm->gt);
+
batch = i915_vma_instance(pool->obj, ce->vm, NULL);
if (IS_ERR(batch)) {
err = PTR_ERR(batch);
@@ -307,7 +311,7 @@ struct i915_vma *intel_emit_vma_copy_blt(struct intel_context *ce,
return batch;
out_put:
- intel_engine_pool_put(pool);
+ intel_gt_buffer_pool_put(pool);
out_pm:
intel_engine_pm_put(ce->engine);
return ERR_PTR(err);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.h b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.h
index 243a43a87824..8bcd336a90dc 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_blt.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_blt.h
@@ -10,7 +10,6 @@
#include "gt/intel_context.h"
#include "gt/intel_engine_pm.h"
-#include "gt/intel_engine_pool.h"
#include "i915_vma.h"
struct drm_i915_gem_object;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
index a0b10bcd8d8a..54ee658bb168 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -179,9 +179,6 @@ struct drm_i915_gem_object {
#define TILING_MASK (FENCE_MINIMUM_STRIDE - 1)
#define STRIDE_MASK (~TILING_MASK)
- /** Count of VMA actually bound by this object */
- atomic_t bind_count;
-
struct {
/*
* Protects the pages and their use. Do not use directly, but
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index 24f4cadea114..af9e48ee4a33 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -199,8 +199,6 @@ int __i915_gem_object_put_pages(struct drm_i915_gem_object *obj)
if (i915_gem_object_has_pinned_pages(obj))
return -EBUSY;
- GEM_BUG_ON(atomic_read(&obj->bind_count));
-
/* May be called by shrinker from within get_pages() (on another bo) */
mutex_lock(&obj->mm.lock);
if (unlikely(atomic_read(&obj->mm.pages_pin_count))) {
@@ -393,6 +391,7 @@ void __i915_gem_object_flush_map(struct drm_i915_gem_object *obj,
GEM_BUG_ON(range_overflows_t(typeof(obj->base.size),
offset, size, obj->base.size));
+ wmb(); /* let all previous writes be visible to coherent partners */
obj->mm.dirty = true;
if (obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_phys.c b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
index 698e22420dc5..7fe9831aa9ba 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_phys.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_phys.c
@@ -10,8 +10,6 @@
#include <drm/drm.h> /* for drm_legacy.h! */
#include <drm/drm_cache.h>
-#include <drm/drm_legacy.h> /* for drm_pci.h! */
-#include <drm/drm_pci.h>
#include "gt/intel_gt.h"
#include "i915_drv.h"
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index 03e5eb4c99d1..5b65ce738b16 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -27,18 +27,6 @@ static bool can_release_pages(struct drm_i915_gem_object *obj)
return false;
/*
- * Only report true if by unbinding the object and putting its pages
- * we can actually make forward progress towards freeing physical
- * pages.
- *
- * If the pages are pinned for any other reason than being bound
- * to the GPU, simply unbinding from the GPU is not going to succeed
- * in releasing our pin count on the pages themselves.
- */
- if (atomic_read(&obj->mm.pages_pin_count) > atomic_read(&obj->bind_count))
- return false;
-
- /*
* We can only return physical pages to the system if we can either
* discard the contents (because the user has marked them as being
* purgeable) or if we can move their contents out to swap.
@@ -54,6 +42,8 @@ static bool unsafe_drop_pages(struct drm_i915_gem_object *obj,
flags = 0;
if (shrink & I915_SHRINK_ACTIVE)
flags = I915_GEM_OBJECT_UNBIND_ACTIVE;
+ if (!(shrink & I915_SHRINK_BOUND))
+ flags = I915_GEM_OBJECT_UNBIND_TEST;
if (i915_gem_object_unbind(obj, flags) == 0)
__i915_gem_object_put_pages(obj);
@@ -194,10 +184,6 @@ i915_gem_shrink(struct drm_i915_private *i915,
i915_gem_object_is_framebuffer(obj))
continue;
- if (!(shrink & I915_SHRINK_BOUND) &&
- atomic_read(&obj->bind_count))
- continue;
-
if (!can_release_pages(obj))
continue;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
index 5557dfa83a7b..dc250278bd2c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
@@ -381,14 +381,14 @@ static int i915_gem_init_stolen(struct drm_i915_private *i915)
mutex_init(&i915->mm.stolen_lock);
if (intel_vgpu_active(i915)) {
- dev_notice(i915->drm.dev,
+ drm_notice(&i915->drm,
"%s, disabling use of stolen memory\n",
"iGVT-g active");
return 0;
}
if (intel_vtd_active() && INTEL_GEN(i915) < 8) {
- dev_notice(i915->drm.dev,
+ drm_notice(&i915->drm,
"%s, disabling use of stolen memory\n",
"DMAR active");
return 0;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
index 37f77aee1212..0158e49bf9bb 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_tiling.c
@@ -182,21 +182,35 @@ i915_gem_object_fence_prepare(struct drm_i915_gem_object *obj,
int tiling_mode, unsigned int stride)
{
struct i915_ggtt *ggtt = &to_i915(obj->base.dev)->ggtt;
- struct i915_vma *vma;
+ struct i915_vma *vma, *vn;
+ LIST_HEAD(unbind);
int ret = 0;
if (tiling_mode == I915_TILING_NONE)
return 0;
mutex_lock(&ggtt->vm.mutex);
+
+ spin_lock(&obj->vma.lock);
for_each_ggtt_vma(vma, obj) {
+ GEM_BUG_ON(vma->vm != &ggtt->vm);
+
if (i915_vma_fence_prepare(vma, tiling_mode, stride))
continue;
+ list_move(&vma->vm_link, &unbind);
+ }
+ spin_unlock(&obj->vma.lock);
+
+ list_for_each_entry_safe(vma, vn, &unbind, vm_link) {
ret = __i915_vma_unbind(vma);
- if (ret)
+ if (ret) {
+ /* Restore the remaining vma on an error */
+ list_splice(&unbind, &ggtt->vm.bound_list);
break;
+ }
}
+
mutex_unlock(&ggtt->vm.mutex);
return ret;
@@ -268,6 +282,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
}
mutex_unlock(&obj->mm.lock);
+ spin_lock(&obj->vma.lock);
for_each_ggtt_vma(vma, obj) {
vma->fence_size =
i915_gem_fence_size(i915, vma->size, tiling, stride);
@@ -278,6 +293,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj,
if (vma->fence)
vma->fence->dirty = true;
}
+ spin_unlock(&obj->vma.lock);
obj->tiling_and_stride = tiling | stride;
i915_gem_object_unlock(obj);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 7ffd7afeb7a5..33776b3f3fa5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -471,7 +471,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
down_read(&mm->mmap_sem);
locked = 1;
}
- ret = get_user_pages_remote
+ ret = pin_user_pages_remote
(work->task, mm,
obj->userptr.ptr + pinned * PAGE_SIZE,
npages - pinned,
@@ -507,7 +507,7 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
}
mutex_unlock(&obj->mm.lock);
- release_pages(pvec, pinned);
+ unpin_user_pages(pvec, pinned);
kvfree(pvec);
i915_gem_object_put(obj);
@@ -564,6 +564,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
struct sg_table *pages;
bool active;
int pinned;
+ unsigned int gup_flags = 0;
/* If userspace should engineer that these pages are replaced in
* the vma between us binding this page into the GTT and completion
@@ -598,11 +599,22 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
GFP_KERNEL |
__GFP_NORETRY |
__GFP_NOWARN);
- if (pvec) /* defer to worker if malloc fails */
- pinned = __get_user_pages_fast(obj->userptr.ptr,
- num_pages,
- !i915_gem_object_is_readonly(obj),
- pvec);
+ /*
+ * Using __get_user_pages_fast() with a read-only
+ * access is questionable. A read-only page may be
+ * COW-broken, and then this might end up giving
+ * the wrong side of the COW..
+ *
+ * We may or may not care.
+ */
+ if (pvec) {
+ /* defer to worker if malloc fails */
+ if (!i915_gem_object_is_readonly(obj))
+ gup_flags |= FOLL_WRITE;
+ pinned = pin_user_pages_fast_only(obj->userptr.ptr,
+ num_pages, gup_flags,
+ pvec);
+ }
}
active = false;
@@ -620,7 +632,7 @@ static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
__i915_gem_userptr_set_active(obj, true);
if (IS_ERR(pages))
- release_pages(pvec, pinned);
+ unpin_user_pages(pvec, pinned);
kvfree(pvec);
return PTR_ERR_OR_ZERO(pages);
@@ -675,7 +687,7 @@ i915_gem_userptr_put_pages(struct drm_i915_gem_object *obj,
}
mark_page_accessed(page);
- put_page(page);
+ unpin_user_page(page);
}
obj->mm.dirty = false;
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
index fa16f2c3f3ac..2b46c6530da9 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_gem_object.c
@@ -88,8 +88,7 @@ static void huge_put_pages(struct drm_i915_gem_object *obj,
}
static const struct drm_i915_gem_object_ops huge_ops = {
- .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
- I915_GEM_OBJECT_IS_SHRINKABLE,
+ .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE,
.get_pages = huge_get_pages,
.put_pages = huge_put_pages,
};
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 2d0fd50c5312..c9988b6d5c88 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -421,7 +421,7 @@ static int igt_mock_exhaust_device_supported_pages(void *arg)
err = i915_vma_pin(vma, 0, 0, PIN_USER);
if (err)
- goto out_close;
+ goto out_put;
err = igt_check_page_sizes(vma);
@@ -432,8 +432,6 @@ static int igt_mock_exhaust_device_supported_pages(void *arg)
}
i915_vma_unpin(vma);
- i915_vma_close(vma);
-
i915_gem_object_put(obj);
if (err)
@@ -443,8 +441,6 @@ static int igt_mock_exhaust_device_supported_pages(void *arg)
goto out_device;
-out_close:
- i915_vma_close(vma);
out_put:
i915_gem_object_put(obj);
out_device:
@@ -492,7 +488,7 @@ static int igt_mock_memory_region_huge_pages(void *arg)
err = i915_vma_pin(vma, 0, 0, PIN_USER);
if (err)
- goto out_close;
+ goto out_put;
err = igt_check_page_sizes(vma);
if (err)
@@ -515,8 +511,6 @@ static int igt_mock_memory_region_huge_pages(void *arg)
}
i915_vma_unpin(vma);
- i915_vma_close(vma);
-
__i915_gem_object_put_pages(obj);
i915_gem_object_put(obj);
}
@@ -526,8 +520,6 @@ static int igt_mock_memory_region_huge_pages(void *arg)
out_unpin:
i915_vma_unpin(vma);
-out_close:
- i915_vma_close(vma);
out_put:
i915_gem_object_put(obj);
out_region:
@@ -587,10 +579,8 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
}
err = i915_vma_pin(vma, 0, 0, flags);
- if (err) {
- i915_vma_close(vma);
+ if (err)
goto out_unpin;
- }
err = igt_check_page_sizes(vma);
@@ -603,10 +593,8 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
i915_vma_unpin(vma);
- if (err) {
- i915_vma_close(vma);
+ if (err)
goto out_unpin;
- }
/*
* Try all the other valid offsets until the next
@@ -615,16 +603,12 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
*/
for (offset = 4096; offset < page_size; offset += 4096) {
err = i915_vma_unbind(vma);
- if (err) {
- i915_vma_close(vma);
+ if (err)
goto out_unpin;
- }
err = i915_vma_pin(vma, 0, 0, flags | offset);
- if (err) {
- i915_vma_close(vma);
+ if (err)
goto out_unpin;
- }
err = igt_check_page_sizes(vma);
@@ -636,10 +620,8 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
i915_vma_unpin(vma);
- if (err) {
- i915_vma_close(vma);
+ if (err)
goto out_unpin;
- }
if (igt_timeout(end_time,
"%s timed out at offset %x with page-size %x\n",
@@ -647,8 +629,6 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
break;
}
- i915_vma_close(vma);
-
i915_gem_object_unpin_pages(obj);
__i915_gem_object_put_pages(obj);
i915_gem_object_put(obj);
@@ -670,12 +650,6 @@ static void close_object_list(struct list_head *objects,
struct drm_i915_gem_object *obj, *on;
list_for_each_entry_safe(obj, on, objects, st_link) {
- struct i915_vma *vma;
-
- vma = i915_vma_instance(obj, &ppgtt->vm, NULL);
- if (!IS_ERR(vma))
- i915_vma_close(vma);
-
list_del(&obj->st_link);
i915_gem_object_unpin_pages(obj);
__i915_gem_object_put_pages(obj);
@@ -912,7 +886,7 @@ static int igt_mock_ppgtt_64K(void *arg)
err = i915_vma_pin(vma, 0, 0, flags);
if (err)
- goto out_vma_close;
+ goto out_object_unpin;
err = igt_check_page_sizes(vma);
if (err)
@@ -945,8 +919,6 @@ static int igt_mock_ppgtt_64K(void *arg)
}
i915_vma_unpin(vma);
- i915_vma_close(vma);
-
i915_gem_object_unpin_pages(obj);
__i915_gem_object_put_pages(obj);
i915_gem_object_put(obj);
@@ -957,8 +929,6 @@ static int igt_mock_ppgtt_64K(void *arg)
out_vma_unpin:
i915_vma_unpin(vma);
-out_vma_close:
- i915_vma_close(vma);
out_object_unpin:
i915_gem_object_unpin_pages(obj);
out_object_put:
@@ -1070,7 +1040,7 @@ static int __igt_write_huge(struct intel_context *ce,
err = i915_vma_unbind(vma);
if (err)
- goto out_vma_close;
+ return err;
err = i915_vma_pin(vma, size, 0, flags | offset);
if (err) {
@@ -1081,7 +1051,7 @@ static int __igt_write_huge(struct intel_context *ce,
if (err == -ENOSPC && i915_is_ggtt(ce->vm))
err = 0;
- goto out_vma_close;
+ return err;
}
err = igt_check_page_sizes(vma);
@@ -1102,8 +1072,6 @@ static int __igt_write_huge(struct intel_context *ce,
out_vma_unpin:
i915_vma_unpin(vma);
-out_vma_close:
- __i915_vma_put(vma);
return err;
}
@@ -1477,8 +1445,10 @@ static int igt_ppgtt_pin_update(void *arg)
unsigned int page_size = BIT(first);
obj = i915_gem_object_create_internal(dev_priv, page_size);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
+ if (IS_ERR(obj)) {
+ err = PTR_ERR(obj);
+ goto out_vm;
+ }
vma = i915_vma_instance(obj, vm, NULL);
if (IS_ERR(vma)) {
@@ -1488,7 +1458,7 @@ static int igt_ppgtt_pin_update(void *arg)
err = i915_vma_pin(vma, SZ_2M, 0, flags);
if (err)
- goto out_close;
+ goto out_put;
if (vma->page_sizes.sg < page_size) {
pr_info("Unable to allocate page-size %x, finishing test early\n",
@@ -1525,14 +1495,14 @@ static int igt_ppgtt_pin_update(void *arg)
goto out_unpin;
i915_vma_unpin(vma);
- i915_vma_close(vma);
-
i915_gem_object_put(obj);
}
obj = i915_gem_object_create_internal(dev_priv, PAGE_SIZE);
- if (IS_ERR(obj))
- return PTR_ERR(obj);
+ if (IS_ERR(obj)) {
+ err = PTR_ERR(obj);
+ goto out_vm;
+ }
vma = i915_vma_instance(obj, vm, NULL);
if (IS_ERR(vma)) {
@@ -1542,7 +1512,7 @@ static int igt_ppgtt_pin_update(void *arg)
err = i915_vma_pin(vma, 0, 0, flags);
if (err)
- goto out_close;
+ goto out_put;
/*
* Make sure we don't end up with something like where the pde is still
@@ -1572,8 +1542,6 @@ static int igt_ppgtt_pin_update(void *arg)
out_unpin:
i915_vma_unpin(vma);
-out_close:
- i915_vma_close(vma);
out_put:
i915_gem_object_put(obj);
out_vm:
@@ -1625,13 +1593,11 @@ static int igt_tmpfs_fallback(void *arg)
err = i915_vma_pin(vma, 0, 0, PIN_USER);
if (err)
- goto out_close;
+ goto out_put;
err = igt_check_page_sizes(vma);
i915_vma_unpin(vma);
-out_close:
- i915_vma_close(vma);
out_put:
i915_gem_object_put(obj);
out_restore:
@@ -1678,7 +1644,7 @@ static int igt_shrink_thp(void *arg)
err = i915_vma_pin(vma, 0, 0, flags);
if (err)
- goto out_close;
+ goto out_put;
if (obj->mm.page_sizes.phys < I915_GTT_PAGE_SIZE_2M) {
pr_info("failed to allocate THP, finishing test early\n");
@@ -1702,7 +1668,7 @@ static int igt_shrink_thp(void *arg)
i915_gem_context_unlock_engines(ctx);
i915_vma_unpin(vma);
if (err)
- goto out_close;
+ goto out_put;
/*
* Now that the pages are *unpinned* shrink-all should invoke
@@ -1712,18 +1678,18 @@ static int igt_shrink_thp(void *arg)
if (i915_gem_object_has_pages(obj)) {
pr_err("shrink-all didn't truncate the pages\n");
err = -EINVAL;
- goto out_close;
+ goto out_put;
}
if (obj->mm.page_sizes.sg || obj->mm.page_sizes.phys) {
pr_err("residual page-size bits left\n");
err = -EINVAL;
- goto out_close;
+ goto out_put;
}
err = i915_vma_pin(vma, 0, 0, flags);
if (err)
- goto out_close;
+ goto out_put;
while (n--) {
err = cpu_check(obj, n, 0xdeadbeaf);
@@ -1733,8 +1699,6 @@ static int igt_shrink_thp(void *arg)
out_unpin:
i915_vma_unpin(vma);
-out_close:
- i915_vma_close(vma);
out_put:
i915_gem_object_put(obj);
out_vm:
@@ -1773,21 +1737,20 @@ int i915_gem_huge_page_mock_selftests(void)
if (!i915_vm_is_4lvl(&ppgtt->vm)) {
pr_err("failed to create 48b PPGTT\n");
err = -EINVAL;
- goto out_close;
+ goto out_put;
}
/* If we were ever hit this then it's time to mock the 64K scratch */
if (!i915_vm_has_scratch_64K(&ppgtt->vm)) {
pr_err("PPGTT missing 64K scratch page\n");
err = -EINVAL;
- goto out_close;
+ goto out_put;
}
err = i915_subtests(tests, ppgtt);
-out_close:
+out_put:
i915_vm_put(&ppgtt->vm);
-
out_unlock:
drm_dev_put(&dev_priv->drm);
return err;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
index b972be165e85..8fe3ad2ee34e 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
@@ -7,9 +7,12 @@
#include "gt/intel_engine_user.h"
#include "gt/intel_gt.h"
+#include "gt/intel_gpu_commands.h"
+#include "gem/i915_gem_lmem.h"
#include "selftests/igt_flush_test.h"
#include "selftests/mock_drm.h"
+#include "selftests/i915_random.h"
#include "huge_gem_object.h"
#include "mock_context.h"
@@ -127,10 +130,573 @@ static int igt_client_fill(void *arg)
} while (1);
}
+#define WIDTH 512
+#define HEIGHT 32
+
+struct blit_buffer {
+ struct i915_vma *vma;
+ u32 start_val;
+ u32 tiling;
+};
+
+struct tiled_blits {
+ struct intel_context *ce;
+ struct blit_buffer buffers[3];
+ struct blit_buffer scratch;
+ struct i915_vma *batch;
+ u64 hole;
+ u32 width;
+ u32 height;
+};
+
+static int prepare_blit(const struct tiled_blits *t,
+ struct blit_buffer *dst,
+ struct blit_buffer *src,
+ struct drm_i915_gem_object *batch)
+{
+ const int gen = INTEL_GEN(to_i915(batch->base.dev));
+ bool use_64b_reloc = gen >= 8;
+ u32 src_pitch, dst_pitch;
+ u32 cmd, *cs;
+
+ cs = i915_gem_object_pin_map(batch, I915_MAP_WC);
+ if (IS_ERR(cs))
+ return PTR_ERR(cs);
+
+ *cs++ = MI_LOAD_REGISTER_IMM(1);
+ *cs++ = i915_mmio_reg_offset(BCS_SWCTRL);
+ cmd = (BCS_SRC_Y | BCS_DST_Y) << 16;
+ if (src->tiling == I915_TILING_Y)
+ cmd |= BCS_SRC_Y;
+ if (dst->tiling == I915_TILING_Y)
+ cmd |= BCS_DST_Y;
+ *cs++ = cmd;
+
+ cmd = MI_FLUSH_DW;
+ if (gen >= 8)
+ cmd++;
+ *cs++ = cmd;
+ *cs++ = 0;
+ *cs++ = 0;
+ *cs++ = 0;
+
+ cmd = XY_SRC_COPY_BLT_CMD | BLT_WRITE_RGBA | (8 - 2);
+ if (gen >= 8)
+ cmd += 2;
+
+ src_pitch = t->width * 4;
+ if (src->tiling) {
+ cmd |= XY_SRC_COPY_BLT_SRC_TILED;
+ src_pitch /= 4;
+ }
+
+ dst_pitch = t->width * 4;
+ if (dst->tiling) {
+ cmd |= XY_SRC_COPY_BLT_DST_TILED;
+ dst_pitch /= 4;
+ }
+
+ *cs++ = cmd;
+ *cs++ = BLT_DEPTH_32 | BLT_ROP_SRC_COPY | dst_pitch;
+ *cs++ = 0;
+ *cs++ = t->height << 16 | t->width;
+ *cs++ = lower_32_bits(dst->vma->node.start);
+ if (use_64b_reloc)
+ *cs++ = upper_32_bits(dst->vma->node.start);
+ *cs++ = 0;
+ *cs++ = src_pitch;
+ *cs++ = lower_32_bits(src->vma->node.start);
+ if (use_64b_reloc)
+ *cs++ = upper_32_bits(src->vma->node.start);
+
+ *cs++ = MI_BATCH_BUFFER_END;
+
+ i915_gem_object_flush_map(batch);
+ i915_gem_object_unpin_map(batch);
+
+ return 0;
+}
+
+static void tiled_blits_destroy_buffers(struct tiled_blits *t)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(t->buffers); i++)
+ i915_vma_put(t->buffers[i].vma);
+
+ i915_vma_put(t->scratch.vma);
+ i915_vma_put(t->batch);
+}
+
+static struct i915_vma *
+__create_vma(struct tiled_blits *t, size_t size, bool lmem)
+{
+ struct drm_i915_private *i915 = t->ce->vm->i915;
+ struct drm_i915_gem_object *obj;
+ struct i915_vma *vma;
+
+ if (lmem)
+ obj = i915_gem_object_create_lmem(i915, size, 0);
+ else
+ obj = i915_gem_object_create_shmem(i915, size);
+ if (IS_ERR(obj))
+ return ERR_CAST(obj);
+
+ vma = i915_vma_instance(obj, t->ce->vm, NULL);
+ if (IS_ERR(vma))
+ i915_gem_object_put(obj);
+
+ return vma;
+}
+
+static struct i915_vma *create_vma(struct tiled_blits *t, bool lmem)
+{
+ return __create_vma(t, PAGE_ALIGN(t->width * t->height * 4), lmem);
+}
+
+static int tiled_blits_create_buffers(struct tiled_blits *t,
+ int width, int height,
+ struct rnd_state *prng)
+{
+ struct drm_i915_private *i915 = t->ce->engine->i915;
+ int i;
+
+ t->width = width;
+ t->height = height;
+
+ t->batch = __create_vma(t, PAGE_SIZE, false);
+ if (IS_ERR(t->batch))
+ return PTR_ERR(t->batch);
+
+ t->scratch.vma = create_vma(t, false);
+ if (IS_ERR(t->scratch.vma)) {
+ i915_vma_put(t->batch);
+ return PTR_ERR(t->scratch.vma);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(t->buffers); i++) {
+ struct i915_vma *vma;
+
+ vma = create_vma(t, HAS_LMEM(i915) && i % 2);
+ if (IS_ERR(vma)) {
+ tiled_blits_destroy_buffers(t);
+ return PTR_ERR(vma);
+ }
+
+ t->buffers[i].vma = vma;
+ t->buffers[i].tiling =
+ i915_prandom_u32_max_state(I915_TILING_Y + 1, prng);
+ }
+
+ return 0;
+}
+
+static void fill_scratch(struct tiled_blits *t, u32 *vaddr, u32 val)
+{
+ int i;
+
+ t->scratch.start_val = val;
+ for (i = 0; i < t->width * t->height; i++)
+ vaddr[i] = val++;
+
+ i915_gem_object_flush_map(t->scratch.vma->obj);
+}
+
+static u64 swizzle_bit(unsigned int bit, u64 offset)
+{
+ return (offset & BIT_ULL(bit)) >> (bit - 6);
+}
+
+static u64 tiled_offset(const struct intel_gt *gt,
+ u64 v,
+ unsigned int stride,
+ unsigned int tiling)
+{
+ unsigned int swizzle;
+ u64 x, y;
+
+ if (tiling == I915_TILING_NONE)
+ return v;
+
+ y = div64_u64_rem(v, stride, &x);
+
+ if (tiling == I915_TILING_X) {
+ v = div64_u64_rem(y, 8, &y) * stride * 8;
+ v += y * 512;
+ v += div64_u64_rem(x, 512, &x) << 12;
+ v += x;
+
+ swizzle = gt->ggtt->bit_6_swizzle_x;
+ } else {
+ const unsigned int ytile_span = 16;
+ const unsigned int ytile_height = 512;
+
+ v = div64_u64_rem(y, 32, &y) * stride * 32;
+ v += y * ytile_span;
+ v += div64_u64_rem(x, ytile_span, &x) * ytile_height;
+ v += x;
+
+ swizzle = gt->ggtt->bit_6_swizzle_y;
+ }
+
+ switch (swizzle) {
+ case I915_BIT_6_SWIZZLE_9:
+ v ^= swizzle_bit(9, v);
+ break;
+ case I915_BIT_6_SWIZZLE_9_10:
+ v ^= swizzle_bit(9, v) ^ swizzle_bit(10, v);
+ break;
+ case I915_BIT_6_SWIZZLE_9_11:
+ v ^= swizzle_bit(9, v) ^ swizzle_bit(11, v);
+ break;
+ case I915_BIT_6_SWIZZLE_9_10_11:
+ v ^= swizzle_bit(9, v) ^ swizzle_bit(10, v) ^ swizzle_bit(11, v);
+ break;
+ }
+
+ return v;
+}
+
+static const char *repr_tiling(int tiling)
+{
+ switch (tiling) {
+ case I915_TILING_NONE: return "linear";
+ case I915_TILING_X: return "X";
+ case I915_TILING_Y: return "Y";
+ default: return "unknown";
+ }
+}
+
+static int verify_buffer(const struct tiled_blits *t,
+ struct blit_buffer *buf,
+ struct rnd_state *prng)
+{
+ const u32 *vaddr;
+ int ret = 0;
+ int x, y, p;
+
+ x = i915_prandom_u32_max_state(t->width, prng);
+ y = i915_prandom_u32_max_state(t->height, prng);
+ p = y * t->width + x;
+
+ vaddr = i915_gem_object_pin_map(buf->vma->obj, I915_MAP_WC);
+ if (IS_ERR(vaddr))
+ return PTR_ERR(vaddr);
+
+ if (vaddr[0] != buf->start_val) {
+ ret = -EINVAL;
+ } else {
+ u64 v = tiled_offset(buf->vma->vm->gt,
+ p * 4, t->width * 4,
+ buf->tiling);
+
+ if (vaddr[v / sizeof(*vaddr)] != buf->start_val + p)
+ ret = -EINVAL;
+ }
+ if (ret) {
+ pr_err("Invalid %s tiling detected at (%d, %d), start_val %x\n",
+ repr_tiling(buf->tiling),
+ x, y, buf->start_val);
+ igt_hexdump(vaddr, 4096);
+ }
+
+ i915_gem_object_unpin_map(buf->vma->obj);
+ return ret;
+}
+
+static int move_to_active(struct i915_vma *vma,
+ struct i915_request *rq,
+ unsigned int flags)
+{
+ int err;
+
+ i915_vma_lock(vma);
+ err = i915_request_await_object(rq, vma->obj, false);
+ if (err == 0)
+ err = i915_vma_move_to_active(vma, rq, flags);
+ i915_vma_unlock(vma);
+
+ return err;
+}
+
+static int pin_buffer(struct i915_vma *vma, u64 addr)
+{
+ int err;
+
+ if (drm_mm_node_allocated(&vma->node) && vma->node.start != addr) {
+ err = i915_vma_unbind(vma);
+ if (err)
+ return err;
+ }
+
+ err = i915_vma_pin(vma, 0, 0, PIN_USER | PIN_OFFSET_FIXED | addr);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int
+tiled_blit(struct tiled_blits *t,
+ struct blit_buffer *dst, u64 dst_addr,
+ struct blit_buffer *src, u64 src_addr)
+{
+ struct i915_request *rq;
+ int err;
+
+ err = pin_buffer(src->vma, src_addr);
+ if (err) {
+ pr_err("Cannot pin src @ %llx\n", src_addr);
+ return err;
+ }
+
+ err = pin_buffer(dst->vma, dst_addr);
+ if (err) {
+ pr_err("Cannot pin dst @ %llx\n", dst_addr);
+ goto err_src;
+ }
+
+ err = i915_vma_pin(t->batch, 0, 0, PIN_USER | PIN_HIGH);
+ if (err) {
+ pr_err("cannot pin batch\n");
+ goto err_dst;
+ }
+
+ err = prepare_blit(t, dst, src, t->batch->obj);
+ if (err)
+ goto err_bb;
+
+ rq = intel_context_create_request(t->ce);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto err_bb;
+ }
+
+ err = move_to_active(t->batch, rq, 0);
+ if (!err)
+ err = move_to_active(src->vma, rq, 0);
+ if (!err)
+ err = move_to_active(dst->vma, rq, 0);
+ if (!err)
+ err = rq->engine->emit_bb_start(rq,
+ t->batch->node.start,
+ t->batch->node.size,
+ 0);
+ i915_request_get(rq);
+ i915_request_add(rq);
+ if (i915_request_wait(rq, 0, HZ / 2) < 0)
+ err = -ETIME;
+ i915_request_put(rq);
+
+ dst->start_val = src->start_val;
+err_bb:
+ i915_vma_unpin(t->batch);
+err_dst:
+ i915_vma_unpin(dst->vma);
+err_src:
+ i915_vma_unpin(src->vma);
+ return err;
+}
+
+static struct tiled_blits *
+tiled_blits_create(struct intel_engine_cs *engine, struct rnd_state *prng)
+{
+ struct drm_mm_node hole;
+ struct tiled_blits *t;
+ u64 hole_size;
+ int err;
+
+ t = kzalloc(sizeof(*t), GFP_KERNEL);
+ if (!t)
+ return ERR_PTR(-ENOMEM);
+
+ t->ce = intel_context_create(engine);
+ if (IS_ERR(t->ce)) {
+ err = PTR_ERR(t->ce);
+ goto err_free;
+ }
+
+ hole_size = 2 * PAGE_ALIGN(WIDTH * HEIGHT * 4);
+ hole_size *= 2; /* room to maneuver */
+ hole_size += 2 * I915_GTT_MIN_ALIGNMENT;
+
+ mutex_lock(&t->ce->vm->mutex);
+ memset(&hole, 0, sizeof(hole));
+ err = drm_mm_insert_node_in_range(&t->ce->vm->mm, &hole,
+ hole_size, 0, I915_COLOR_UNEVICTABLE,
+ 0, U64_MAX,
+ DRM_MM_INSERT_BEST);
+ if (!err)
+ drm_mm_remove_node(&hole);
+ mutex_unlock(&t->ce->vm->mutex);
+ if (err) {
+ err = -ENODEV;
+ goto err_put;
+ }
+
+ t->hole = hole.start + I915_GTT_MIN_ALIGNMENT;
+ pr_info("Using hole at %llx\n", t->hole);
+
+ err = tiled_blits_create_buffers(t, WIDTH, HEIGHT, prng);
+ if (err)
+ goto err_put;
+
+ return t;
+
+err_put:
+ intel_context_put(t->ce);
+err_free:
+ kfree(t);
+ return ERR_PTR(err);
+}
+
+static void tiled_blits_destroy(struct tiled_blits *t)
+{
+ tiled_blits_destroy_buffers(t);
+
+ intel_context_put(t->ce);
+ kfree(t);
+}
+
+static int tiled_blits_prepare(struct tiled_blits *t,
+ struct rnd_state *prng)
+{
+ u64 offset = PAGE_ALIGN(t->width * t->height * 4);
+ u32 *map;
+ int err;
+ int i;
+
+ map = i915_gem_object_pin_map(t->scratch.vma->obj, I915_MAP_WC);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+
+ /* Use scratch to fill objects */
+ for (i = 0; i < ARRAY_SIZE(t->buffers); i++) {
+ fill_scratch(t, map, prandom_u32_state(prng));
+ GEM_BUG_ON(verify_buffer(t, &t->scratch, prng));
+
+ err = tiled_blit(t,
+ &t->buffers[i], t->hole + offset,
+ &t->scratch, t->hole);
+ if (err == 0)
+ err = verify_buffer(t, &t->buffers[i], prng);
+ if (err) {
+ pr_err("Failed to create buffer %d\n", i);
+ break;
+ }
+ }
+
+ i915_gem_object_unpin_map(t->scratch.vma->obj);
+ return err;
+}
+
+static int tiled_blits_bounce(struct tiled_blits *t, struct rnd_state *prng)
+{
+ u64 offset =
+ round_up(t->width * t->height * 4, 2 * I915_GTT_MIN_ALIGNMENT);
+ int err;
+
+ /* We want to check position invariant tiling across GTT eviction */
+
+ err = tiled_blit(t,
+ &t->buffers[1], t->hole + offset / 2,
+ &t->buffers[0], t->hole + 2 * offset);
+ if (err)
+ return err;
+
+ /* Reposition so that we overlap the old addresses, and slightly off */
+ err = tiled_blit(t,
+ &t->buffers[2], t->hole + I915_GTT_MIN_ALIGNMENT,
+ &t->buffers[1], t->hole + 3 * offset / 2);
+ if (err)
+ return err;
+
+ err = verify_buffer(t, &t->buffers[2], prng);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int __igt_client_tiled_blits(struct intel_engine_cs *engine,
+ struct rnd_state *prng)
+{
+ struct tiled_blits *t;
+ int err;
+
+ t = tiled_blits_create(engine, prng);
+ if (IS_ERR(t))
+ return PTR_ERR(t);
+
+ err = tiled_blits_prepare(t, prng);
+ if (err)
+ goto out;
+
+ err = tiled_blits_bounce(t, prng);
+ if (err)
+ goto out;
+
+out:
+ tiled_blits_destroy(t);
+ return err;
+}
+
+static bool has_bit17_swizzle(int sw)
+{
+ return (sw == I915_BIT_6_SWIZZLE_9_10_17 ||
+ sw == I915_BIT_6_SWIZZLE_9_17);
+}
+
+static bool bad_swizzling(struct drm_i915_private *i915)
+{
+ struct i915_ggtt *ggtt = &i915->ggtt;
+
+ if (i915->quirks & QUIRK_PIN_SWIZZLED_PAGES)
+ return true;
+
+ if (has_bit17_swizzle(ggtt->bit_6_swizzle_x) ||
+ has_bit17_swizzle(ggtt->bit_6_swizzle_y))
+ return true;
+
+ return false;
+}
+
+static int igt_client_tiled_blits(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ I915_RND_STATE(prng);
+ int inst = 0;
+
+ /* Test requires explicit BLT tiling controls */
+ if (INTEL_GEN(i915) < 4)
+ return 0;
+
+ if (bad_swizzling(i915)) /* Requires sane (sub-page) swizzling */
+ return 0;
+
+ do {
+ struct intel_engine_cs *engine;
+ int err;
+
+ engine = intel_engine_lookup_user(i915,
+ I915_ENGINE_CLASS_COPY,
+ inst++);
+ if (!engine)
+ return 0;
+
+ err = __igt_client_tiled_blits(engine, &prng);
+ if (err == -ENODEV)
+ err = 0;
+ if (err)
+ return err;
+ } while (1);
+}
+
int i915_gem_client_blt_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(igt_client_fill),
+ SUBTEST(igt_client_tiled_blits),
};
if (intel_gt_is_wedged(&i915->gt))
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
index 3f6079e1dfb6..87d7d8aa080f 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
@@ -158,6 +158,8 @@ static int wc_set(struct context *ctx, unsigned long offset, u32 v)
return PTR_ERR(map);
map[offset / sizeof(*map)] = v;
+
+ __i915_gem_object_flush_map(ctx->obj, offset, sizeof(*map));
i915_gem_object_unpin_map(ctx->obj);
return 0;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 54b86cf7f5d2..b81978890641 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -972,12 +972,6 @@ emit_rpcs_query(struct drm_i915_gem_object *obj,
goto err_batch;
}
- err = rq->engine->emit_bb_start(rq,
- batch->node.start, batch->node.size,
- 0);
- if (err)
- goto err_request;
-
i915_vma_lock(batch);
err = i915_request_await_object(rq, batch->obj, false);
if (err == 0)
@@ -994,6 +988,18 @@ emit_rpcs_query(struct drm_i915_gem_object *obj,
if (err)
goto skip_request;
+ if (rq->engine->emit_init_breadcrumb) {
+ err = rq->engine->emit_init_breadcrumb(rq);
+ if (err)
+ goto skip_request;
+ }
+
+ err = rq->engine->emit_bb_start(rq,
+ batch->node.start, batch->node.size,
+ 0);
+ if (err)
+ goto skip_request;
+
i915_vma_unpin_and_release(&batch, 0);
i915_vma_unpin(vma);
@@ -1005,7 +1011,6 @@ emit_rpcs_query(struct drm_i915_gem_object *obj,
skip_request:
i915_request_set_error_once(rq, err);
-err_request:
i915_request_add(rq);
err_batch:
i915_vma_unpin_and_release(&batch, 0);
@@ -1541,10 +1546,6 @@ static int write_to_scratch(struct i915_gem_context *ctx,
goto err_unpin;
}
- err = engine->emit_bb_start(rq, vma->node.start, vma->node.size, 0);
- if (err)
- goto err_request;
-
i915_vma_lock(vma);
err = i915_request_await_object(rq, vma->obj, false);
if (err == 0)
@@ -1553,6 +1554,16 @@ static int write_to_scratch(struct i915_gem_context *ctx,
if (err)
goto skip_request;
+ if (rq->engine->emit_init_breadcrumb) {
+ err = rq->engine->emit_init_breadcrumb(rq);
+ if (err)
+ goto skip_request;
+ }
+
+ err = engine->emit_bb_start(rq, vma->node.start, vma->node.size, 0);
+ if (err)
+ goto skip_request;
+
i915_vma_unpin(vma);
i915_request_add(rq);
@@ -1560,7 +1571,6 @@ static int write_to_scratch(struct i915_gem_context *ctx,
goto out_vm;
skip_request:
i915_request_set_error_once(rq, err);
-err_request:
i915_request_add(rq);
err_unpin:
i915_vma_unpin(vma);
@@ -1674,10 +1684,6 @@ static int read_from_scratch(struct i915_gem_context *ctx,
goto err_unpin;
}
- err = engine->emit_bb_start(rq, vma->node.start, vma->node.size, flags);
- if (err)
- goto err_request;
-
i915_vma_lock(vma);
err = i915_request_await_object(rq, vma->obj, true);
if (err == 0)
@@ -1686,8 +1692,17 @@ static int read_from_scratch(struct i915_gem_context *ctx,
if (err)
goto skip_request;
+ if (rq->engine->emit_init_breadcrumb) {
+ err = rq->engine->emit_init_breadcrumb(rq);
+ if (err)
+ goto skip_request;
+ }
+
+ err = engine->emit_bb_start(rq, vma->node.start, vma->node.size, flags);
+ if (err)
+ goto skip_request;
+
i915_vma_unpin(vma);
- i915_vma_close(vma);
i915_request_add(rq);
@@ -1709,7 +1724,6 @@ static int read_from_scratch(struct i915_gem_context *ctx,
goto out_vm;
skip_request:
i915_request_set_error_once(rq, err);
-err_request:
i915_request_add(rq);
err_unpin:
i915_vma_unpin(vma);
@@ -1925,7 +1939,7 @@ static int mock_context_barrier(void *arg)
goto out;
}
- rq = igt_request_alloc(ctx, i915->engine[RCS0]);
+ rq = igt_request_alloc(ctx, i915->gt.engine[RCS0]);
if (IS_ERR(rq)) {
pr_err("Request allocation failed!\n");
goto out;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c
new file mode 100644
index 000000000000..a49016f8ee0d
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_execbuffer.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include "i915_selftest.h"
+
+#include "gt/intel_engine_pm.h"
+#include "selftests/igt_flush_test.h"
+
+static u64 read_reloc(const u32 *map, int x, const u64 mask)
+{
+ u64 reloc;
+
+ memcpy(&reloc, &map[x], sizeof(reloc));
+ return reloc & mask;
+}
+
+static int __igt_gpu_reloc(struct i915_execbuffer *eb,
+ struct drm_i915_gem_object *obj)
+{
+ const unsigned int offsets[] = { 8, 3, 0 };
+ const u64 mask =
+ GENMASK_ULL(eb->reloc_cache.use_64bit_reloc ? 63 : 31, 0);
+ const u32 *map = page_mask_bits(obj->mm.mapping);
+ struct i915_request *rq;
+ struct i915_vma *vma;
+ int err;
+ int i;
+
+ vma = i915_vma_instance(obj, eb->context->vm, NULL);
+ if (IS_ERR(vma))
+ return PTR_ERR(vma);
+
+ err = i915_vma_pin(vma, 0, 0, PIN_USER | PIN_HIGH);
+ if (err)
+ return err;
+
+ /* 8-Byte aligned */
+ if (!__reloc_entry_gpu(eb, vma,
+ offsets[0] * sizeof(u32),
+ 0)) {
+ err = -EIO;
+ goto unpin_vma;
+ }
+
+ /* !8-Byte aligned */
+ if (!__reloc_entry_gpu(eb, vma,
+ offsets[1] * sizeof(u32),
+ 1)) {
+ err = -EIO;
+ goto unpin_vma;
+ }
+
+ /* Skip to the end of the cmd page */
+ i = PAGE_SIZE / sizeof(u32) - RELOC_TAIL - 1;
+ i -= eb->reloc_cache.rq_size;
+ memset32(eb->reloc_cache.rq_cmd + eb->reloc_cache.rq_size,
+ MI_NOOP, i);
+ eb->reloc_cache.rq_size += i;
+
+ /* Force batch chaining */
+ if (!__reloc_entry_gpu(eb, vma,
+ offsets[2] * sizeof(u32),
+ 2)) {
+ err = -EIO;
+ goto unpin_vma;
+ }
+
+ GEM_BUG_ON(!eb->reloc_cache.rq);
+ rq = i915_request_get(eb->reloc_cache.rq);
+ err = reloc_gpu_flush(&eb->reloc_cache);
+ if (err)
+ goto put_rq;
+ GEM_BUG_ON(eb->reloc_cache.rq);
+
+ err = i915_gem_object_wait(obj, I915_WAIT_INTERRUPTIBLE, HZ / 2);
+ if (err) {
+ intel_gt_set_wedged(eb->engine->gt);
+ goto put_rq;
+ }
+
+ if (!i915_request_completed(rq)) {
+ pr_err("%s: did not wait for relocations!\n", eb->engine->name);
+ err = -EINVAL;
+ goto put_rq;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(offsets); i++) {
+ u64 reloc = read_reloc(map, offsets[i], mask);
+
+ if (reloc != i) {
+ pr_err("%s[%d]: map[%d] %llx != %x\n",
+ eb->engine->name, i, offsets[i], reloc, i);
+ err = -EINVAL;
+ }
+ }
+ if (err)
+ igt_hexdump(map, 4096);
+
+put_rq:
+ i915_request_put(rq);
+unpin_vma:
+ i915_vma_unpin(vma);
+ return err;
+}
+
+static int igt_gpu_reloc(void *arg)
+{
+ struct i915_execbuffer eb;
+ struct drm_i915_gem_object *scratch;
+ int err = 0;
+ u32 *map;
+
+ eb.i915 = arg;
+
+ scratch = i915_gem_object_create_internal(eb.i915, 4096);
+ if (IS_ERR(scratch))
+ return PTR_ERR(scratch);
+
+ map = i915_gem_object_pin_map(scratch, I915_MAP_WC);
+ if (IS_ERR(map)) {
+ err = PTR_ERR(map);
+ goto err_scratch;
+ }
+
+ for_each_uabi_engine(eb.engine, eb.i915) {
+ reloc_cache_init(&eb.reloc_cache, eb.i915);
+ memset(map, POISON_INUSE, 4096);
+
+ intel_engine_pm_get(eb.engine);
+ eb.context = intel_context_create(eb.engine);
+ if (IS_ERR(eb.context)) {
+ err = PTR_ERR(eb.context);
+ goto err_pm;
+ }
+
+ err = intel_context_pin(eb.context);
+ if (err)
+ goto err_put;
+
+ err = __igt_gpu_reloc(&eb, scratch);
+
+ intel_context_unpin(eb.context);
+err_put:
+ intel_context_put(eb.context);
+err_pm:
+ intel_engine_pm_put(eb.engine);
+ if (err)
+ break;
+ }
+
+ if (igt_flush_test(eb.i915))
+ err = -EIO;
+
+err_scratch:
+ i915_gem_object_put(scratch);
+ return err;
+}
+
+int i915_gem_execbuffer_live_selftests(struct drm_i915_private *i915)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(igt_gpu_reloc),
+ };
+
+ if (intel_gt_is_wedged(&i915->gt))
+ return 0;
+
+ return i915_live_subtests(tests, i915);
+}
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 43912e9b683d..9c7402ce5bf9 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -952,6 +952,129 @@ static int igt_mmap(void *arg)
return 0;
}
+static const char *repr_mmap_type(enum i915_mmap_type type)
+{
+ switch (type) {
+ case I915_MMAP_TYPE_GTT: return "gtt";
+ case I915_MMAP_TYPE_WB: return "wb";
+ case I915_MMAP_TYPE_WC: return "wc";
+ case I915_MMAP_TYPE_UC: return "uc";
+ default: return "unknown";
+ }
+}
+
+static bool can_access(const struct drm_i915_gem_object *obj)
+{
+ unsigned int flags =
+ I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_HAS_IOMEM;
+
+ return i915_gem_object_type_has(obj, flags);
+}
+
+static int __igt_mmap_access(struct drm_i915_private *i915,
+ struct drm_i915_gem_object *obj,
+ enum i915_mmap_type type)
+{
+ struct i915_mmap_offset *mmo;
+ unsigned long __user *ptr;
+ unsigned long A, B;
+ unsigned long x, y;
+ unsigned long addr;
+ int err;
+
+ memset(&A, 0xAA, sizeof(A));
+ memset(&B, 0xBB, sizeof(B));
+
+ if (!can_mmap(obj, type) || !can_access(obj))
+ return 0;
+
+ mmo = mmap_offset_attach(obj, type, NULL);
+ if (IS_ERR(mmo))
+ return PTR_ERR(mmo);
+
+ addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+ if (IS_ERR_VALUE(addr))
+ return addr;
+ ptr = (unsigned long __user *)addr;
+
+ err = __put_user(A, ptr);
+ if (err) {
+ pr_err("%s(%s): failed to write into user mmap\n",
+ obj->mm.region->name, repr_mmap_type(type));
+ goto out_unmap;
+ }
+
+ intel_gt_flush_ggtt_writes(&i915->gt);
+
+ err = access_process_vm(current, addr, &x, sizeof(x), 0);
+ if (err != sizeof(x)) {
+ pr_err("%s(%s): access_process_vm() read failed\n",
+ obj->mm.region->name, repr_mmap_type(type));
+ goto out_unmap;
+ }
+
+ err = access_process_vm(current, addr, &B, sizeof(B), FOLL_WRITE);
+ if (err != sizeof(B)) {
+ pr_err("%s(%s): access_process_vm() write failed\n",
+ obj->mm.region->name, repr_mmap_type(type));
+ goto out_unmap;
+ }
+
+ intel_gt_flush_ggtt_writes(&i915->gt);
+
+ err = __get_user(y, ptr);
+ if (err) {
+ pr_err("%s(%s): failed to read from user mmap\n",
+ obj->mm.region->name, repr_mmap_type(type));
+ goto out_unmap;
+ }
+
+ if (x != A || y != B) {
+ pr_err("%s(%s): failed to read/write values, found (%lx, %lx)\n",
+ obj->mm.region->name, repr_mmap_type(type),
+ x, y);
+ err = -EINVAL;
+ goto out_unmap;
+ }
+
+out_unmap:
+ vm_munmap(addr, obj->base.size);
+ return err;
+}
+
+static int igt_mmap_access(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ struct intel_memory_region *mr;
+ enum intel_region_id id;
+
+ for_each_memory_region(mr, i915, id) {
+ struct drm_i915_gem_object *obj;
+ int err;
+
+ obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+ if (obj == ERR_PTR(-ENODEV))
+ continue;
+
+ if (IS_ERR(obj))
+ return PTR_ERR(obj);
+
+ err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_GTT);
+ if (err == 0)
+ err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_WB);
+ if (err == 0)
+ err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_WC);
+ if (err == 0)
+ err = __igt_mmap_access(i915, obj, I915_MMAP_TYPE_UC);
+
+ i915_gem_object_put(obj);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
static int __igt_mmap_gpu(struct drm_i915_private *i915,
struct drm_i915_gem_object *obj,
enum i915_mmap_type type)
@@ -1156,9 +1279,6 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
if (err)
goto out_unmap;
- GEM_BUG_ON(mmo->mmap_type == I915_MMAP_TYPE_GTT &&
- !atomic_read(&obj->bind_count));
-
err = check_present(addr, obj->base.size);
if (err) {
pr_err("%s: was not present\n", obj->mm.region->name);
@@ -1175,7 +1295,6 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
pr_err("Failed to unbind object!\n");
goto out_unmap;
}
- GEM_BUG_ON(atomic_read(&obj->bind_count));
if (type != I915_MMAP_TYPE_GTT) {
__i915_gem_object_put_pages(obj);
@@ -1233,6 +1352,7 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
SUBTEST(igt_smoke_tiling),
SUBTEST(igt_mmap_offset_exhaustion),
SUBTEST(igt_mmap),
+ SUBTEST(igt_mmap_access),
SUBTEST(igt_mmap_revoke),
SUBTEST(igt_mmap_gpu),
};
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object.c
index 2b6db6f799de..faa5b6d91795 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_object.c
@@ -14,7 +14,7 @@ static int igt_gem_object(void *arg)
{
struct drm_i915_private *i915 = arg;
struct drm_i915_gem_object *obj;
- int err = -ENOMEM;
+ int err;
/* Basic test to ensure we can create an object */
diff --git a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
index 772d8cba7da9..e21b5023ca7d 100644
--- a/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
+++ b/drivers/gpu/drm/i915/gem/selftests/igt_gem_utils.c
@@ -83,6 +83,8 @@ igt_emit_store_dw(struct i915_vma *vma,
offset += PAGE_SIZE;
}
*cmd = MI_BATCH_BUFFER_END;
+
+ i915_gem_object_flush_map(obj);
i915_gem_object_unpin_map(obj);
intel_gt_chipset_flush(vma->vm->gt);
@@ -126,16 +128,6 @@ int igt_gpu_fill_dw(struct intel_context *ce,
goto err_batch;
}
- flags = 0;
- if (INTEL_GEN(ce->vm->i915) <= 5)
- flags |= I915_DISPATCH_SECURE;
-
- err = rq->engine->emit_bb_start(rq,
- batch->node.start, batch->node.size,
- flags);
- if (err)
- goto err_request;
-
i915_vma_lock(batch);
err = i915_request_await_object(rq, batch->obj, false);
if (err == 0)
@@ -152,15 +144,17 @@ int igt_gpu_fill_dw(struct intel_context *ce,
if (err)
goto skip_request;
- i915_request_add(rq);
-
- i915_vma_unpin_and_release(&batch, 0);
+ flags = 0;
+ if (INTEL_GEN(ce->vm->i915) <= 5)
+ flags |= I915_DISPATCH_SECURE;
- return 0;
+ err = rq->engine->emit_bb_start(rq,
+ batch->node.start, batch->node.size,
+ flags);
skip_request:
- i915_request_set_error_once(rq, err);
-err_request:
+ if (err)
+ i915_request_set_error_once(rq, err);
i915_request_add(rq);
err_batch:
i915_vma_unpin_and_release(&batch, 0);
diff --git a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
index 9272bef57092..debaf7b18ab5 100644
--- a/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
+++ b/drivers/gpu/drm/i915/gem/selftests/mock_dmabuf.c
@@ -66,7 +66,7 @@ static void *mock_dmabuf_vmap(struct dma_buf *dma_buf)
{
struct mock_dmabuf *mock = to_mock(dma_buf);
- return vm_map_ram(mock->pages, mock->npages, 0, PAGE_KERNEL);
+ return vm_map_ram(mock->pages, mock->npages, 0);
}
static void mock_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr)
diff --git a/drivers/gpu/drm/i915/gt/debugfs_engines.c b/drivers/gpu/drm/i915/gt/debugfs_engines.c
index 6a5e9ab20b94..5e3725e62241 100644
--- a/drivers/gpu/drm/i915/gt/debugfs_engines.c
+++ b/drivers/gpu/drm/i915/gt/debugfs_engines.c
@@ -32,5 +32,5 @@ void debugfs_engines_register(struct intel_gt *gt, struct dentry *root)
{ "engines", &engines_fops },
};
- debugfs_gt_register_files(gt, root, files, ARRAY_SIZE(files));
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), gt);
}
diff --git a/drivers/gpu/drm/i915/gt/debugfs_gt.c b/drivers/gpu/drm/i915/gt/debugfs_gt.c
index 75255aaacaed..1de5fbaa1cf9 100644
--- a/drivers/gpu/drm/i915/gt/debugfs_gt.c
+++ b/drivers/gpu/drm/i915/gt/debugfs_gt.c
@@ -9,6 +9,7 @@
#include "debugfs_engines.h"
#include "debugfs_gt.h"
#include "debugfs_gt_pm.h"
+#include "uc/intel_uc_debugfs.h"
#include "i915_drv.h"
void debugfs_gt_register(struct intel_gt *gt)
@@ -24,17 +25,19 @@ void debugfs_gt_register(struct intel_gt *gt)
debugfs_engines_register(gt, root);
debugfs_gt_pm_register(gt, root);
+
+ intel_uc_debugfs_register(&gt->uc, root);
}
-void debugfs_gt_register_files(struct intel_gt *gt,
- struct dentry *root,
- const struct debugfs_gt_file *files,
- unsigned long count)
+void intel_gt_debugfs_register_files(struct dentry *root,
+ const struct debugfs_gt_file *files,
+ unsigned long count, void *data)
{
while (count--) {
- if (!files->eval || files->eval(gt))
+ umode_t mode = files->fops->write ? 0644 : 0444;
+ if (!files->eval || files->eval(data))
debugfs_create_file(files->name,
- 0444, root, gt,
+ mode, root, data,
files->fops);
files++;
diff --git a/drivers/gpu/drm/i915/gt/debugfs_gt.h b/drivers/gpu/drm/i915/gt/debugfs_gt.h
index 4ea0f06cda8f..f77540f727e9 100644
--- a/drivers/gpu/drm/i915/gt/debugfs_gt.h
+++ b/drivers/gpu/drm/i915/gt/debugfs_gt.h
@@ -28,12 +28,11 @@ void debugfs_gt_register(struct intel_gt *gt);
struct debugfs_gt_file {
const char *name;
const struct file_operations *fops;
- bool (*eval)(const struct intel_gt *gt);
+ bool (*eval)(void *data);
};
-void debugfs_gt_register_files(struct intel_gt *gt,
- struct dentry *root,
- const struct debugfs_gt_file *files,
- unsigned long count);
+void intel_gt_debugfs_register_files(struct dentry *root,
+ const struct debugfs_gt_file *files,
+ unsigned long count, void *data);
#endif /* DEBUGFS_GT_H */
diff --git a/drivers/gpu/drm/i915/gt/debugfs_gt_pm.c b/drivers/gpu/drm/i915/gt/debugfs_gt_pm.c
index 059c9e5c002e..174a24553322 100644
--- a/drivers/gpu/drm/i915/gt/debugfs_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/debugfs_gt_pm.c
@@ -10,6 +10,7 @@
#include "debugfs_gt_pm.h"
#include "i915_drv.h"
#include "intel_gt.h"
+#include "intel_gt_clock_utils.h"
#include "intel_llc.h"
#include "intel_rc6.h"
#include "intel_rps.h"
@@ -268,7 +269,7 @@ static int frequency_show(struct seq_file *m, void *unused)
yesno(rpmodectl & GEN6_RP_ENABLE));
seq_printf(m, "SW control enabled: %s\n",
yesno((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) ==
- GEN6_RP_MEDIA_SW_MODE));
+ GEN6_RP_MEDIA_SW_MODE));
vlv_punit_get(i915);
freq_sts = vlv_punit_read(i915, PUNIT_REG_GPU_FREQ_STS);
@@ -300,8 +301,9 @@ static int frequency_show(struct seq_file *m, void *unused)
u32 rp_state_cap;
u32 rpmodectl, rpinclimit, rpdeclimit;
u32 rpstat, cagf, reqf;
- u32 rpupei, rpcurup, rpprevup;
- u32 rpdownei, rpcurdown, rpprevdown;
+ u32 rpcurupei, rpcurup, rpprevup;
+ u32 rpcurdownei, rpcurdown, rpprevdown;
+ u32 rpupei, rpupt, rpdownei, rpdownt;
u32 pm_ier, pm_imr, pm_isr, pm_iir, pm_mask;
int max_freq;
@@ -334,12 +336,19 @@ static int frequency_show(struct seq_file *m, void *unused)
rpdeclimit = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
rpstat = intel_uncore_read(uncore, GEN6_RPSTAT1);
- rpupei = intel_uncore_read(uncore, GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
+ rpcurupei = intel_uncore_read(uncore, GEN6_RP_CUR_UP_EI) & GEN6_CURICONT_MASK;
rpcurup = intel_uncore_read(uncore, GEN6_RP_CUR_UP) & GEN6_CURBSYTAVG_MASK;
rpprevup = intel_uncore_read(uncore, GEN6_RP_PREV_UP) & GEN6_CURBSYTAVG_MASK;
- rpdownei = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
+ rpcurdownei = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN_EI) & GEN6_CURIAVG_MASK;
rpcurdown = intel_uncore_read(uncore, GEN6_RP_CUR_DOWN) & GEN6_CURBSYTAVG_MASK;
rpprevdown = intel_uncore_read(uncore, GEN6_RP_PREV_DOWN) & GEN6_CURBSYTAVG_MASK;
+
+ rpupei = intel_uncore_read(uncore, GEN6_RP_UP_EI);
+ rpupt = intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD);
+
+ rpdownei = intel_uncore_read(uncore, GEN6_RP_DOWN_EI);
+ rpdownt = intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD);
+
cagf = intel_rps_read_actual_frequency(rps);
intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
@@ -372,7 +381,7 @@ static int frequency_show(struct seq_file *m, void *unused)
yesno(rpmodectl & GEN6_RP_ENABLE));
seq_printf(m, "SW control enabled: %s\n",
yesno((rpmodectl & GEN6_RP_MEDIA_MODE_MASK) ==
- GEN6_RP_MEDIA_SW_MODE));
+ GEN6_RP_MEDIA_SW_MODE));
seq_printf(m, "PM IER=0x%08x IMR=0x%08x, MASK=0x%08x\n",
pm_ier, pm_imr, pm_mask);
@@ -394,23 +403,35 @@ static int frequency_show(struct seq_file *m, void *unused)
seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
seq_printf(m, "CAGF: %dMHz\n", cagf);
- seq_printf(m, "RP CUR UP EI: %d (%dus)\n",
- rpupei, GT_PM_INTERVAL_TO_US(i915, rpupei));
- seq_printf(m, "RP CUR UP: %d (%dus)\n",
- rpcurup, GT_PM_INTERVAL_TO_US(i915, rpcurup));
- seq_printf(m, "RP PREV UP: %d (%dus)\n",
- rpprevup, GT_PM_INTERVAL_TO_US(i915, rpprevup));
+ seq_printf(m, "RP CUR UP EI: %d (%dns)\n",
+ rpcurupei,
+ intel_gt_pm_interval_to_ns(gt, rpcurupei));
+ seq_printf(m, "RP CUR UP: %d (%dns)\n",
+ rpcurup, intel_gt_pm_interval_to_ns(gt, rpcurup));
+ seq_printf(m, "RP PREV UP: %d (%dns)\n",
+ rpprevup, intel_gt_pm_interval_to_ns(gt, rpprevup));
seq_printf(m, "Up threshold: %d%%\n",
rps->power.up_threshold);
-
- seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n",
- rpdownei, GT_PM_INTERVAL_TO_US(i915, rpdownei));
- seq_printf(m, "RP CUR DOWN: %d (%dus)\n",
- rpcurdown, GT_PM_INTERVAL_TO_US(i915, rpcurdown));
- seq_printf(m, "RP PREV DOWN: %d (%dus)\n",
- rpprevdown, GT_PM_INTERVAL_TO_US(i915, rpprevdown));
+ seq_printf(m, "RP UP EI: %d (%dns)\n",
+ rpupei, intel_gt_pm_interval_to_ns(gt, rpupei));
+ seq_printf(m, "RP UP THRESHOLD: %d (%dns)\n",
+ rpupt, intel_gt_pm_interval_to_ns(gt, rpupt));
+
+ seq_printf(m, "RP CUR DOWN EI: %d (%dns)\n",
+ rpcurdownei,
+ intel_gt_pm_interval_to_ns(gt, rpcurdownei));
+ seq_printf(m, "RP CUR DOWN: %d (%dns)\n",
+ rpcurdown,
+ intel_gt_pm_interval_to_ns(gt, rpcurdown));
+ seq_printf(m, "RP PREV DOWN: %d (%dns)\n",
+ rpprevdown,
+ intel_gt_pm_interval_to_ns(gt, rpprevdown));
seq_printf(m, "Down threshold: %d%%\n",
rps->power.down_threshold);
+ seq_printf(m, "RP DOWN EI: %d (%dns)\n",
+ rpdownei, intel_gt_pm_interval_to_ns(gt, rpdownei));
+ seq_printf(m, "RP DOWN THRESHOLD: %d (%dns)\n",
+ rpdownt, intel_gt_pm_interval_to_ns(gt, rpdownt));
max_freq = (IS_GEN9_LP(i915) ? rp_state_cap >> 0 :
rp_state_cap >> 16) & 0xff;
@@ -506,8 +527,10 @@ static int llc_show(struct seq_file *m, void *data)
return 0;
}
-static bool llc_eval(const struct intel_gt *gt)
+static bool llc_eval(void *data)
{
+ struct intel_gt *gt = data;
+
return HAS_LLC(gt->i915);
}
@@ -533,7 +556,8 @@ static int rps_boost_show(struct seq_file *m, void *data)
struct drm_i915_private *i915 = gt->i915;
struct intel_rps *rps = &gt->rps;
- seq_printf(m, "RPS enabled? %d\n", rps->enabled);
+ seq_printf(m, "RPS enabled? %s\n", yesno(intel_rps_is_enabled(rps)));
+ seq_printf(m, "RPS active? %s\n", yesno(intel_rps_is_active(rps)));
seq_printf(m, "GPU busy? %s\n", yesno(gt->awake));
seq_printf(m, "Boosts outstanding? %d\n",
atomic_read(&rps->num_waiters));
@@ -553,7 +577,7 @@ static int rps_boost_show(struct seq_file *m, void *data)
seq_printf(m, "Wait boosts: %d\n", atomic_read(&rps->boosts));
- if (INTEL_GEN(i915) >= 6 && rps->enabled && gt->awake) {
+ if (INTEL_GEN(i915) >= 6 && intel_rps_is_active(rps)) {
struct intel_uncore *uncore = gt->uncore;
u32 rpup, rpupei;
u32 rpdown, rpdownei;
@@ -580,8 +604,10 @@ static int rps_boost_show(struct seq_file *m, void *data)
return 0;
}
-static bool rps_eval(const struct intel_gt *gt)
+static bool rps_eval(void *data)
{
+ struct intel_gt *gt = data;
+
return HAS_RPS(gt->i915);
}
@@ -597,5 +623,5 @@ void debugfs_gt_pm_register(struct intel_gt *gt, struct dentry *root)
{ "rps_boost", &rps_boost_fops, rps_eval },
};
- debugfs_gt_register_files(gt, root, files, ARRAY_SIZE(files));
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), gt);
}
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index 94e746af8926..699125928272 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -389,6 +389,16 @@ static int gen8_ppgtt_alloc(struct i915_address_space *vm,
return err;
}
+static __always_inline void
+write_pte(gen8_pte_t *pte, const gen8_pte_t val)
+{
+ /* Magic delays? Or can we refine these to flush all in one pass? */
+ *pte = val;
+ wmb(); /* cpu to cache */
+ clflush(pte); /* cache to memory */
+ wmb(); /* visible to all */
+}
+
static __always_inline u64
gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt,
struct i915_page_directory *pdp,
@@ -405,7 +415,8 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt,
vaddr = kmap_atomic_px(i915_pt_entry(pd, gen8_pd_index(idx, 1)));
do {
GEM_BUG_ON(iter->sg->length < I915_GTT_PAGE_SIZE);
- vaddr[gen8_pd_index(idx, 0)] = pte_encode | iter->dma;
+ write_pte(&vaddr[gen8_pd_index(idx, 0)],
+ pte_encode | iter->dma);
iter->dma += I915_GTT_PAGE_SIZE;
if (iter->dma >= iter->max) {
@@ -487,7 +498,7 @@ static void gen8_ppgtt_insert_huge(struct i915_vma *vma,
do {
GEM_BUG_ON(iter->sg->length < page_size);
- vaddr[index++] = encode | iter->dma;
+ write_pte(&vaddr[index++], encode | iter->dma);
start += page_size;
iter->dma += page_size;
diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
index cbad7fe722ce..d907d538176e 100644
--- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
@@ -64,7 +64,7 @@ static void __intel_breadcrumbs_disarm_irq(struct intel_breadcrumbs *b)
if (!--b->irq_enabled)
irq_disable(engine);
- b->irq_armed = false;
+ WRITE_ONCE(b->irq_armed, false);
intel_gt_pm_put_async(engine->gt);
}
@@ -73,7 +73,7 @@ void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine)
struct intel_breadcrumbs *b = &engine->breadcrumbs;
unsigned long flags;
- if (!b->irq_armed)
+ if (!READ_ONCE(b->irq_armed))
return;
spin_lock_irqsave(&b->irq_lock, flags);
@@ -142,6 +142,18 @@ static void add_retire(struct intel_breadcrumbs *b, struct intel_timeline *tl)
intel_engine_add_retire(engine, tl);
}
+static void __signal_request(struct i915_request *rq, struct list_head *signals)
+{
+ GEM_BUG_ON(!test_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags));
+ clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
+
+ if (!__dma_fence_signal(&rq->fence))
+ return;
+
+ i915_request_get(rq);
+ list_add_tail(&rq->signal_link, signals);
+}
+
static void signal_irq_work(struct irq_work *work)
{
struct intel_breadcrumbs *b = container_of(work, typeof(*b), irq_work);
@@ -155,6 +167,8 @@ static void signal_irq_work(struct irq_work *work)
if (b->irq_armed && list_empty(&b->signalers))
__intel_breadcrumbs_disarm_irq(b);
+ list_splice_init(&b->signaled_requests, &signal);
+
list_for_each_entry_safe(ce, cn, &b->signalers, signal_link) {
GEM_BUG_ON(list_empty(&ce->signals));
@@ -163,24 +177,15 @@ static void signal_irq_work(struct irq_work *work)
list_entry(pos, typeof(*rq), signal_link);
GEM_BUG_ON(!check_signal_order(ce, rq));
-
if (!__request_completed(rq))
break;
- GEM_BUG_ON(!test_bit(I915_FENCE_FLAG_SIGNAL,
- &rq->fence.flags));
- clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags);
-
- if (!__dma_fence_signal(&rq->fence))
- continue;
-
/*
* Queue for execution after dropping the signaling
* spinlock as the callback chain may end up adding
* more signalers to the same context or engine.
*/
- i915_request_get(rq);
- list_add_tail(&rq->signal_link, &signal);
+ __signal_request(rq, &signal);
}
/*
@@ -233,7 +238,7 @@ static bool __intel_breadcrumbs_arm_irq(struct intel_breadcrumbs *b)
* which we can add a new waiter and avoid the cost of re-enabling
* the irq.
*/
- b->irq_armed = true;
+ WRITE_ONCE(b->irq_armed, true);
/*
* Since we are waiting on a request, the GPU should be busy
@@ -255,6 +260,7 @@ void intel_engine_init_breadcrumbs(struct intel_engine_cs *engine)
spin_lock_init(&b->irq_lock);
INIT_LIST_HEAD(&b->signalers);
+ INIT_LIST_HEAD(&b->signaled_requests);
init_irq_work(&b->irq_work, signal_irq_work);
}
@@ -274,6 +280,32 @@ void intel_engine_reset_breadcrumbs(struct intel_engine_cs *engine)
spin_unlock_irqrestore(&b->irq_lock, flags);
}
+void intel_engine_transfer_stale_breadcrumbs(struct intel_engine_cs *engine,
+ struct intel_context *ce)
+{
+ struct intel_breadcrumbs *b = &engine->breadcrumbs;
+ unsigned long flags;
+
+ spin_lock_irqsave(&b->irq_lock, flags);
+ if (!list_empty(&ce->signals)) {
+ struct i915_request *rq, *next;
+
+ /* Queue for executing the signal callbacks in the irq_work */
+ list_for_each_entry_safe(rq, next, &ce->signals, signal_link) {
+ GEM_BUG_ON(rq->engine != engine);
+ GEM_BUG_ON(!__request_completed(rq));
+
+ __signal_request(rq, &b->signaled_requests);
+ }
+
+ INIT_LIST_HEAD(&ce->signals);
+ list_del_init(&ce->signal_link);
+
+ irq_work_queue(&b->irq_work);
+ }
+ spin_unlock_irqrestore(&b->irq_lock, flags);
+}
+
void intel_engine_fini_breadcrumbs(struct intel_engine_cs *engine)
{
}
diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c
index aea992e46c42..74ddb49b2941 100644
--- a/drivers/gpu/drm/i915/gt/intel_context.c
+++ b/drivers/gpu/drm/i915/gt/intel_context.c
@@ -114,6 +114,11 @@ int __intel_context_do_pin(struct intel_context *ce)
goto out_release;
}
+ if (unlikely(intel_context_is_closed(ce))) {
+ err = -ENOENT;
+ goto out_unlock;
+ }
+
if (likely(!atomic_add_unless(&ce->pin_count, 1, 0))) {
err = intel_context_active_acquire(ce);
if (unlikely(err))
diff --git a/drivers/gpu/drm/i915/gt/intel_context_sseu.c b/drivers/gpu/drm/i915/gt/intel_context_sseu.c
index 57a30956c922..487299cb91f2 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_sseu.c
+++ b/drivers/gpu/drm/i915/gt/intel_context_sseu.c
@@ -25,8 +25,7 @@ static int gen8_emit_rpcs_config(struct i915_request *rq,
return PTR_ERR(cs);
offset = i915_ggtt_offset(ce->state) +
- LRC_STATE_PN * PAGE_SIZE +
- CTX_R_PWR_CLK_STATE * 4;
+ LRC_STATE_OFFSET + CTX_R_PWR_CLK_STATE * 4;
*cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
*cs++ = lower_32_bits(offset);
diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h
index 07cb83a0d017..4954b0df4864 100644
--- a/drivers/gpu/drm/i915/gt/intel_context_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_context_types.h
@@ -69,7 +69,13 @@ struct intel_context {
#define CONTEXT_NOPREEMPT 7
u32 *lrc_reg_state;
- u64 lrc_desc;
+ union {
+ struct {
+ u32 lrca;
+ u32 ccid;
+ };
+ u64 desc;
+ } lrc;
u32 tag; /* cookie passed to HW to track this context on submission */
/* Time on GPU as tracked by the hw. */
@@ -96,6 +102,8 @@ struct intel_context {
/** sseu: Control eu/slice partitioning */
struct intel_sseu sseu;
+
+ u8 wa_bb_page; /* if set, page num reserved for context workarounds */
};
#endif /* __INTEL_CONTEXT_TYPES__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h
index b469de0dd9b6..9bf6d4989968 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine.h
@@ -199,6 +199,8 @@ void intel_engine_cleanup(struct intel_engine_cs *engine);
int intel_engines_init_mmio(struct intel_gt *gt);
int intel_engines_init(struct intel_gt *gt);
+void intel_engine_free_request_pool(struct intel_engine_cs *engine);
+
void intel_engines_release(struct intel_gt *gt);
void intel_engines_free(struct intel_gt *gt);
@@ -236,22 +238,35 @@ intel_engine_signal_breadcrumbs(struct intel_engine_cs *engine)
void intel_engine_reset_breadcrumbs(struct intel_engine_cs *engine);
void intel_engine_fini_breadcrumbs(struct intel_engine_cs *engine);
+void intel_engine_transfer_stale_breadcrumbs(struct intel_engine_cs *engine,
+ struct intel_context *ce);
+
void intel_engine_print_breadcrumbs(struct intel_engine_cs *engine,
struct drm_printer *p);
-static inline u32 *gen8_emit_pipe_control(u32 *batch, u32 flags, u32 offset)
+static inline u32 *__gen8_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
{
memset(batch, 0, 6 * sizeof(u32));
- batch[0] = GFX_OP_PIPE_CONTROL(6);
- batch[1] = flags;
+ batch[0] = GFX_OP_PIPE_CONTROL(6) | flags0;
+ batch[1] = flags1;
batch[2] = offset;
return batch + 6;
}
+static inline u32 *gen8_emit_pipe_control(u32 *batch, u32 flags, u32 offset)
+{
+ return __gen8_emit_pipe_control(batch, 0, flags, offset);
+}
+
+static inline u32 *gen12_emit_pipe_control(u32 *batch, u32 flags0, u32 flags1, u32 offset)
+{
+ return __gen8_emit_pipe_control(batch, flags0, flags1, offset);
+}
+
static inline u32 *
-gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
+__gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags0, u32 flags1)
{
/* We're using qword write, offset should be aligned to 8 bytes. */
GEM_BUG_ON(!IS_ALIGNED(gtt_offset, 8));
@@ -260,8 +275,8 @@ gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
* need a prior CS_STALL, which is emitted by the flush
* following the batch.
*/
- *cs++ = GFX_OP_PIPE_CONTROL(6);
- *cs++ = flags | PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_GLOBAL_GTT_IVB;
+ *cs++ = GFX_OP_PIPE_CONTROL(6) | flags0;
+ *cs++ = flags1 | PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_GLOBAL_GTT_IVB;
*cs++ = gtt_offset;
*cs++ = 0;
*cs++ = value;
@@ -271,6 +286,18 @@ gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
return cs;
}
+static inline u32*
+gen8_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
+{
+ return __gen8_emit_ggtt_write_rcs(cs, value, gtt_offset, 0, flags);
+}
+
+static inline u32*
+gen12_emit_ggtt_write_rcs(u32 *cs, u32 value, u32 gtt_offset, u32 flags0, u32 flags1)
+{
+ return __gen8_emit_ggtt_write_rcs(cs, value, gtt_offset, flags0, flags1);
+}
+
static inline u32 *
gen8_emit_ggtt_write(u32 *cs, u32 value, u32 gtt_offset, u32 flags)
{
@@ -308,9 +335,6 @@ void intel_engine_dump(struct intel_engine_cs *engine,
struct drm_printer *m,
const char *header, ...);
-int intel_enable_engine_stats(struct intel_engine_cs *engine);
-void intel_disable_engine_stats(struct intel_engine_cs *engine);
-
ktime_t intel_engine_get_busy_time(struct intel_engine_cs *engine);
struct i915_request *
@@ -333,13 +357,4 @@ intel_engine_has_preempt_reset(const struct intel_engine_cs *engine)
return intel_engine_has_preemption(engine);
}
-static inline bool
-intel_engine_has_timeslices(const struct intel_engine_cs *engine)
-{
- if (!IS_ACTIVE(CONFIG_DRM_I915_TIMESLICE_DURATION))
- return false;
-
- return intel_engine_has_semaphores(engine);
-}
-
#endif /* _INTEL_RINGBUFFER_H_ */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 3aa8a652c16d..da5b61085257 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -31,7 +31,6 @@
#include "intel_context.h"
#include "intel_engine.h"
#include "intel_engine_pm.h"
-#include "intel_engine_pool.h"
#include "intel_engine_user.h"
#include "intel_gt.h"
#include "intel_gt_requests.h"
@@ -327,6 +326,8 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id)
if (INTEL_GEN(i915) == 12 && engine->class == RENDER_CLASS)
engine->props.preempt_timeout_ms = 0;
+ engine->defaults = engine->props; /* never to change again */
+
engine->context_size = intel_engine_context_size(gt, engine->class);
if (WARN_ON(engine->context_size > BIT(20)))
engine->context_size = 0;
@@ -347,8 +348,6 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id)
gt->engine_class[info->class][info->instance] = engine;
gt->engine[id] = engine;
- i915->engine[id] = engine;
-
return 0;
}
@@ -425,17 +424,27 @@ void intel_engines_release(struct intel_gt *gt)
engine->release = NULL;
memset(&engine->reset, 0, sizeof(engine->reset));
-
- gt->i915->engine[id] = NULL;
}
}
+void intel_engine_free_request_pool(struct intel_engine_cs *engine)
+{
+ if (!engine->request_pool)
+ return;
+
+ kmem_cache_free(i915_request_slab_cache(), engine->request_pool);
+}
+
void intel_engines_free(struct intel_gt *gt)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
+ /* Free the requests! dma-resv keeps fences around for an eternity */
+ rcu_barrier();
+
for_each_engine(engine, gt, id) {
+ intel_engine_free_request_pool(engine);
kfree(engine);
gt->engine[id] = NULL;
}
@@ -623,8 +632,6 @@ static int engine_setup_common(struct intel_engine_cs *engine)
intel_engine_init__pm(engine);
intel_engine_init_retire(engine);
- intel_engine_pool_init(&engine->pool);
-
/* Use the whole device by default */
engine->sseu =
intel_sseu_from_device_info(&RUNTIME_INFO(engine->i915)->sseu);
@@ -821,12 +828,11 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine)
cleanup_status_page(engine);
intel_engine_fini_retire(engine);
- intel_engine_pool_fini(&engine->pool);
intel_engine_fini_breadcrumbs(engine);
intel_engine_cleanup_cmd_parser(engine);
if (engine->default_state)
- i915_gem_object_put(engine->default_state);
+ fput(engine->default_state);
if (engine->kernel_context) {
intel_context_unpin(engine->kernel_context);
@@ -1225,6 +1231,49 @@ static void print_request(struct drm_printer *m,
name);
}
+static struct intel_timeline *get_timeline(struct i915_request *rq)
+{
+ struct intel_timeline *tl;
+
+ /*
+ * Even though we are holding the engine->active.lock here, there
+ * is no control over the submission queue per-se and we are
+ * inspecting the active state at a random point in time, with an
+ * unknown queue. Play safe and make sure the timeline remains valid.
+ * (Only being used for pretty printing, one extra kref shouldn't
+ * cause a camel stampede!)
+ */
+ rcu_read_lock();
+ tl = rcu_dereference(rq->timeline);
+ if (!kref_get_unless_zero(&tl->kref))
+ tl = NULL;
+ rcu_read_unlock();
+
+ return tl;
+}
+
+static int print_ring(char *buf, int sz, struct i915_request *rq)
+{
+ int len = 0;
+
+ if (!i915_request_signaled(rq)) {
+ struct intel_timeline *tl = get_timeline(rq);
+
+ len = scnprintf(buf, sz,
+ "ring:{start:%08x, hwsp:%08x, seqno:%08x, runtime:%llums}, ",
+ i915_ggtt_offset(rq->ring->vma),
+ tl ? tl->hwsp_offset : 0,
+ hwsp_seqno(rq),
+ DIV_ROUND_CLOSEST_ULL(intel_context_get_total_runtime_ns(rq->context),
+ 1000 * 1000));
+
+ if (tl)
+ intel_timeline_put(tl);
+ }
+
+ return len;
+}
+
static void hexdump(struct drm_printer *m, const void *buf, size_t len)
{
const size_t rowsize = 8 * sizeof(u32);
@@ -1254,27 +1303,6 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len)
}
}
-static struct intel_timeline *get_timeline(struct i915_request *rq)
-{
- struct intel_timeline *tl;
-
- /*
- * Even though we are holding the engine->active.lock here, there
- * is no control over the submission queue per-se and we are
- * inspecting the active state at a random point in time, with an
- * unknown queue. Play safe and make sure the timeline remains valid.
- * (Only being used for pretty printing, one extra kref shouldn't
- * cause a camel stampede!)
- */
- rcu_read_lock();
- tl = rcu_dereference(rq->timeline);
- if (!kref_get_unless_zero(&tl->kref))
- tl = NULL;
- rcu_read_unlock();
-
- return tl;
-}
-
static const char *repr_timer(const struct timer_list *t)
{
if (!READ_ONCE(t->expires))
@@ -1295,6 +1323,12 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
if (engine->id == RENDER_CLASS && IS_GEN_RANGE(dev_priv, 4, 7))
drm_printf(m, "\tCCID: 0x%08x\n", ENGINE_READ(engine, CCID));
+ if (HAS_EXECLISTS(dev_priv)) {
+ drm_printf(m, "\tEL_STAT_HI: 0x%08x\n",
+ ENGINE_READ(engine, RING_EXECLIST_STATUS_HI));
+ drm_printf(m, "\tEL_STAT_LO: 0x%08x\n",
+ ENGINE_READ(engine, RING_EXECLIST_STATUS_LO));
+ }
drm_printf(m, "\tRING_START: 0x%08x\n",
ENGINE_READ(engine, RING_START));
drm_printf(m, "\tRING_HEAD: 0x%08x\n",
@@ -1387,39 +1421,24 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
int len;
len = scnprintf(hdr, sizeof(hdr),
- "\t\tActive[%d]: ",
- (int)(port - execlists->active));
- if (!i915_request_signaled(rq)) {
- struct intel_timeline *tl = get_timeline(rq);
-
- len += scnprintf(hdr + len, sizeof(hdr) - len,
- "ring:{start:%08x, hwsp:%08x, seqno:%08x, runtime:%llums}, ",
- i915_ggtt_offset(rq->ring->vma),
- tl ? tl->hwsp_offset : 0,
- hwsp_seqno(rq),
- DIV_ROUND_CLOSEST_ULL(intel_context_get_total_runtime_ns(rq->context),
- 1000 * 1000));
-
- if (tl)
- intel_timeline_put(tl);
- }
+ "\t\tActive[%d]: ccid:%08x, ",
+ (int)(port - execlists->active),
+ rq->context->lrc.ccid);
+ len += print_ring(hdr + len, sizeof(hdr) - len, rq);
scnprintf(hdr + len, sizeof(hdr) - len, "rq: ");
print_request(m, rq, hdr);
}
for (port = execlists->pending; (rq = *port); port++) {
- struct intel_timeline *tl = get_timeline(rq);
- char hdr[80];
-
- snprintf(hdr, sizeof(hdr),
- "\t\tPending[%d] ring:{start:%08x, hwsp:%08x, seqno:%08x}, rq: ",
- (int)(port - execlists->pending),
- i915_ggtt_offset(rq->ring->vma),
- tl ? tl->hwsp_offset : 0,
- hwsp_seqno(rq));
- print_request(m, rq, hdr);
+ char hdr[160];
+ int len;
- if (tl)
- intel_timeline_put(tl);
+ len = scnprintf(hdr, sizeof(hdr),
+ "\t\tPending[%d]: ccid:%08x, ",
+ (int)(port - execlists->pending),
+ rq->context->lrc.ccid);
+ len += print_ring(hdr + len, sizeof(hdr) - len, rq);
+ scnprintf(hdr + len, sizeof(hdr) - len, "rq: ");
+ print_request(m, rq, hdr);
}
rcu_read_unlock();
execlists_active_unlock_bh(execlists);
@@ -1568,58 +1587,6 @@ void intel_engine_dump(struct intel_engine_cs *engine,
intel_engine_print_breadcrumbs(engine, m);
}
-/**
- * intel_enable_engine_stats() - Enable engine busy tracking on engine
- * @engine: engine to enable stats collection
- *
- * Start collecting the engine busyness data for @engine.
- *
- * Returns 0 on success or a negative error code.
- */
-int intel_enable_engine_stats(struct intel_engine_cs *engine)
-{
- struct intel_engine_execlists *execlists = &engine->execlists;
- unsigned long flags;
- int err = 0;
-
- if (!intel_engine_supports_stats(engine))
- return -ENODEV;
-
- execlists_active_lock_bh(execlists);
- write_seqlock_irqsave(&engine->stats.lock, flags);
-
- if (unlikely(engine->stats.enabled == ~0)) {
- err = -EBUSY;
- goto unlock;
- }
-
- if (engine->stats.enabled++ == 0) {
- struct i915_request * const *port;
- struct i915_request *rq;
-
- engine->stats.enabled_at = ktime_get();
-
- /* XXX submission method oblivious? */
- for (port = execlists->active; (rq = *port); port++)
- engine->stats.active++;
-
- for (port = execlists->pending; (rq = *port); port++) {
- /* Exclude any contexts already counted in active */
- if (!intel_context_inflight_count(rq->context))
- engine->stats.active++;
- }
-
- if (engine->stats.active)
- engine->stats.start = engine->stats.enabled_at;
- }
-
-unlock:
- write_sequnlock_irqrestore(&engine->stats.lock, flags);
- execlists_active_unlock_bh(execlists);
-
- return err;
-}
-
static ktime_t __intel_engine_get_busy_time(struct intel_engine_cs *engine)
{
ktime_t total = engine->stats.total;
@@ -1628,7 +1595,7 @@ static ktime_t __intel_engine_get_busy_time(struct intel_engine_cs *engine)
* If the engine is executing something at the moment
* add it to the total.
*/
- if (engine->stats.active)
+ if (atomic_read(&engine->stats.active))
total = ktime_add(total,
ktime_sub(ktime_get(), engine->stats.start));
@@ -1654,28 +1621,6 @@ ktime_t intel_engine_get_busy_time(struct intel_engine_cs *engine)
return total;
}
-/**
- * intel_disable_engine_stats() - Disable engine busy tracking on engine
- * @engine: engine to disable stats collection
- *
- * Stops collecting the engine busyness data for @engine.
- */
-void intel_disable_engine_stats(struct intel_engine_cs *engine)
-{
- unsigned long flags;
-
- if (!intel_engine_supports_stats(engine))
- return;
-
- write_seqlock_irqsave(&engine->stats.lock, flags);
- WARN_ON_ONCE(engine->stats.enabled == 0);
- if (--engine->stats.enabled == 0) {
- engine->stats.total = __intel_engine_get_busy_time(engine);
- engine->stats.active = 0;
- }
- write_sequnlock_irqrestore(&engine->stats.lock, flags);
-}
-
static bool match_ring(struct i915_request *rq)
{
u32 ring = ENGINE_READ(rq->engine, RING_START);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
index dd825718e4e5..5136c8bf112d 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c
@@ -31,7 +31,7 @@ static bool next_heartbeat(struct intel_engine_cs *engine)
delay = msecs_to_jiffies_timeout(delay);
if (delay >= HZ)
delay = round_jiffies_up_relative(delay);
- schedule_delayed_work(&engine->heartbeat.work, delay);
+ mod_delayed_work(system_wq, &engine->heartbeat.work, delay);
return true;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index b6cf284e3a2d..d0a1078ef632 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -10,31 +10,22 @@
#include "intel_engine.h"
#include "intel_engine_heartbeat.h"
#include "intel_engine_pm.h"
-#include "intel_engine_pool.h"
#include "intel_gt.h"
#include "intel_gt_pm.h"
#include "intel_rc6.h"
#include "intel_ring.h"
+#include "shmem_utils.h"
static int __engine_unpark(struct intel_wakeref *wf)
{
struct intel_engine_cs *engine =
container_of(wf, typeof(*engine), wakeref);
struct intel_context *ce;
- void *map;
ENGINE_TRACE(engine, "\n");
intel_gt_pm_get(engine->gt);
- /* Pin the default state for fast resets from atomic context. */
- map = NULL;
- if (engine->default_state)
- map = i915_gem_object_pin_map(engine->default_state,
- I915_MAP_WB);
- if (!IS_ERR_OR_NULL(map))
- engine->pinned_default_state = map;
-
/* Discard stale context state from across idling */
ce = engine->kernel_context;
if (ce) {
@@ -44,6 +35,7 @@ static int __engine_unpark(struct intel_wakeref *wf)
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM) && ce->state) {
struct drm_i915_gem_object *obj = ce->state->obj;
int type = i915_coherent_map_type(engine->i915);
+ void *map;
map = i915_gem_object_pin_map(obj, type);
if (!IS_ERR(map)) {
@@ -181,7 +173,7 @@ static bool switch_to_kernel_context(struct intel_engine_cs *engine)
* Ergo, if we put ourselves on the timelines.active_list
* (se intel_timeline_enter()) before we increment the
* engine->wakeref.count, we may see the request completion and retire
- * it causing an undeflow of the engine->wakeref.
+ * it causing an underflow of the engine->wakeref.
*/
flags = __timeline_mark_lock(ce);
GEM_BUG_ON(atomic_read(&ce->timeline->active_count) < 0);
@@ -255,7 +247,6 @@ static int __engine_park(struct intel_wakeref *wf)
intel_engine_park_heartbeat(engine);
intel_engine_disarm_breadcrumbs(engine);
- intel_engine_pool_park(&engine->pool);
/* Must be reset upon idling, or we may miss the busy wakeup. */
GEM_BUG_ON(engine->execlists.queue_priority_hint != INT_MIN);
@@ -263,11 +254,6 @@ static int __engine_park(struct intel_wakeref *wf)
if (engine->park)
engine->park(engine);
- if (engine->pinned_default_state) {
- i915_gem_object_unpin_map(engine->default_state);
- engine->pinned_default_state = NULL;
- }
-
engine->execlists.no_priolist = false;
/* While gt calls i915_vma_parked(), we have to break the lock cycle */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.h b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
index e52c2b0cb245..418df0a13145 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.h
@@ -37,6 +37,12 @@ static inline void intel_engine_pm_put_async(struct intel_engine_cs *engine)
intel_wakeref_put_async(&engine->wakeref);
}
+static inline void intel_engine_pm_put_delay(struct intel_engine_cs *engine,
+ unsigned long delay)
+{
+ intel_wakeref_put_delay(&engine->wakeref, delay);
+}
+
static inline void intel_engine_pm_flush(struct intel_engine_cs *engine)
{
intel_wakeref_unlock_wait(&engine->wakeref);
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.h b/drivers/gpu/drm/i915/gt/intel_engine_pool.h
deleted file mode 100644
index 1bd89cadc3b7..000000000000
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * SPDX-License-Identifier: MIT
- *
- * Copyright © 2014-2018 Intel Corporation
- */
-
-#ifndef INTEL_ENGINE_POOL_H
-#define INTEL_ENGINE_POOL_H
-
-#include "intel_engine_pool_types.h"
-#include "i915_active.h"
-#include "i915_request.h"
-
-struct intel_engine_pool_node *
-intel_engine_get_pool(struct intel_engine_cs *engine, size_t size);
-
-static inline int
-intel_engine_pool_mark_active(struct intel_engine_pool_node *node,
- struct i915_request *rq)
-{
- return i915_active_add_request(&node->active, rq);
-}
-
-static inline void
-intel_engine_pool_put(struct intel_engine_pool_node *node)
-{
- i915_active_release(&node->active);
-}
-
-void intel_engine_pool_init(struct intel_engine_pool *pool);
-void intel_engine_pool_park(struct intel_engine_pool *pool);
-void intel_engine_pool_fini(struct intel_engine_pool *pool);
-
-#endif /* INTEL_ENGINE_POOL_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 80cdde712842..2b6cdf47d428 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -22,7 +22,6 @@
#include "i915_pmu.h"
#include "i915_priolist_types.h"
#include "i915_selftest.h"
-#include "intel_engine_pool_types.h"
#include "intel_sseu.h"
#include "intel_timeline_types.h"
#include "intel_wakeref.h"
@@ -157,6 +156,20 @@ struct intel_engine_execlists {
struct i915_priolist default_priolist;
/**
+ * @ccid: identifier for contexts submitted to this engine
+ */
+ u32 ccid;
+
+ /**
+ * @yield: CCID at the time of the last semaphore-wait interrupt.
+ *
+ * Instead of leaving a semaphore busy-spinning on an engine, we would
+ * like to switch to another ready context, i.e. yielding the semaphore
+ * timeslice.
+ */
+ u32 yield;
+
+ /**
* @error_interrupt: CS Master EIR
*
* The CS generates an interrupt when it detects an error. We capture
@@ -167,6 +180,11 @@ struct intel_engine_execlists {
u32 error_interrupt;
/**
+ * @reset_ccid: Active CCID [EXECLISTS_STATUS_HI] at the time of reset
+ */
+ u32 reset_ccid;
+
+ /**
* @no_priolist: priority lists disabled
*/
bool no_priolist;
@@ -295,8 +313,7 @@ struct intel_engine_cs {
u32 context_size;
u32 mmio_base;
- unsigned int context_tag;
-#define NUM_CONTEXT_TAG roundup_pow_of_two(2 * EXECLIST_MAX_PORTS)
+ unsigned long context_tag;
struct rb_node uabi_node;
@@ -308,6 +325,9 @@ struct intel_engine_cs {
struct list_head hold; /* ready requests, but on hold */
} active;
+ /* keep a request in reserve for a [pm] barrier under oom */
+ struct i915_request *request_pool;
+
struct llist_head barrier_tasks;
struct intel_context *kernel_context; /* pinned */
@@ -323,8 +343,7 @@ struct intel_engine_cs {
unsigned long wakeref_serial;
struct intel_wakeref wakeref;
- struct drm_i915_gem_object *default_state;
- void *pinned_default_state;
+ struct file *default_state;
struct {
struct intel_ring *ring;
@@ -358,6 +377,8 @@ struct intel_engine_cs {
spinlock_t irq_lock;
struct list_head signalers;
+ struct list_head signaled_requests;
+
struct irq_work irq_work; /* for use from inside irq_lock */
unsigned int irq_enabled;
@@ -389,13 +410,6 @@ struct intel_engine_cs {
struct i915_pmu_sample sample[I915_ENGINE_SAMPLE_COUNT];
} pmu;
- /*
- * A pool of objects to use as shadow copies of client batch buffers
- * when the command parser is enabled. Prevents the client from
- * modifying the batch contents after software parsing.
- */
- struct intel_engine_pool pool;
-
struct intel_hw_status_page status_page;
struct i915_ctx_workarounds wa_ctx;
struct i915_wa_list ctx_wa_list;
@@ -407,6 +421,7 @@ struct intel_engine_cs {
void (*irq_enable)(struct intel_engine_cs *engine);
void (*irq_disable)(struct intel_engine_cs *engine);
+ void (*sanitize)(struct intel_engine_cs *engine);
int (*resume)(struct intel_engine_cs *engine);
struct {
@@ -483,10 +498,11 @@ struct intel_engine_cs {
#define I915_ENGINE_SUPPORTS_STATS BIT(1)
#define I915_ENGINE_HAS_PREEMPTION BIT(2)
#define I915_ENGINE_HAS_SEMAPHORES BIT(3)
-#define I915_ENGINE_NEEDS_BREADCRUMB_TASKLET BIT(4)
-#define I915_ENGINE_IS_VIRTUAL BIT(5)
-#define I915_ENGINE_HAS_RELATIVE_MMIO BIT(6)
-#define I915_ENGINE_REQUIRES_CMD_PARSER BIT(7)
+#define I915_ENGINE_HAS_TIMESLICES BIT(4)
+#define I915_ENGINE_NEEDS_BREADCRUMB_TASKLET BIT(5)
+#define I915_ENGINE_IS_VIRTUAL BIT(6)
+#define I915_ENGINE_HAS_RELATIVE_MMIO BIT(7)
+#define I915_ENGINE_REQUIRES_CMD_PARSER BIT(8)
unsigned int flags;
/*
@@ -515,34 +531,34 @@ struct intel_engine_cs {
struct {
/**
- * @lock: Lock protecting the below fields.
- */
- seqlock_t lock;
- /**
- * @enabled: Reference count indicating number of listeners.
+ * @active: Number of contexts currently scheduled in.
*/
- unsigned int enabled;
+ atomic_t active;
+
/**
- * @active: Number of contexts currently scheduled in.
+ * @lock: Lock protecting the below fields.
*/
- unsigned int active;
+ seqlock_t lock;
+
/**
- * @enabled_at: Timestamp when busy stats were enabled.
+ * @total: Total time this engine was busy.
+ *
+ * Accumulated time not counting the most recent block in cases
+ * where engine is currently busy (active > 0).
*/
- ktime_t enabled_at;
+ ktime_t total;
+
/**
* @start: Timestamp of the last idle to active transition.
*
* Idle is defined as active == 0, active is active > 0.
*/
ktime_t start;
+
/**
- * @total: Total time this engine was busy.
- *
- * Accumulated time not counting the most recent block in cases
- * where engine is currently busy (active > 0).
+ * @rps: Utilisation at last RPS sampling.
*/
- ktime_t total;
+ ktime_t rps;
} stats;
struct {
@@ -551,7 +567,7 @@ struct intel_engine_cs {
unsigned long preempt_timeout_ms;
unsigned long stop_timeout_ms;
unsigned long timeslice_duration_ms;
- } props;
+ } props, defaults;
};
static inline bool
@@ -585,6 +601,15 @@ intel_engine_has_semaphores(const struct intel_engine_cs *engine)
}
static inline bool
+intel_engine_has_timeslices(const struct intel_engine_cs *engine)
+{
+ if (!IS_ACTIVE(CONFIG_DRM_I915_TIMESLICE_DURATION))
+ return false;
+
+ return engine->flags & I915_ENGINE_HAS_TIMESLICES;
+}
+
+static inline bool
intel_engine_needs_breadcrumb_tasklet(const struct intel_engine_cs *engine)
{
return engine->flags & I915_ENGINE_NEEDS_BREADCRUMB_TASKLET;
diff --git a/drivers/gpu/drm/i915/gt/intel_ggtt.c b/drivers/gpu/drm/i915/gt/intel_ggtt.c
index 4c5a209cb669..66165b10256e 100644
--- a/drivers/gpu/drm/i915/gt/intel_ggtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt.c
@@ -65,7 +65,7 @@ static int ggtt_init_hw(struct i915_ggtt *ggtt)
ggtt->mappable_end);
}
- i915_ggtt_init_fences(ggtt);
+ intel_ggtt_init_fences(ggtt);
return 0;
}
@@ -715,11 +715,13 @@ static void ggtt_cleanup_hw(struct i915_ggtt *ggtt)
*/
void i915_ggtt_driver_release(struct drm_i915_private *i915)
{
+ struct i915_ggtt *ggtt = &i915->ggtt;
struct pagevec *pvec;
- fini_aliasing_ppgtt(&i915->ggtt);
+ fini_aliasing_ppgtt(ggtt);
- ggtt_cleanup_hw(&i915->ggtt);
+ intel_ggtt_fini_fences(ggtt);
+ ggtt_cleanup_hw(ggtt);
pvec = &i915->mm.wc_stash.pvec;
if (pvec->nr) {
@@ -784,13 +786,13 @@ static int ggtt_probe_common(struct i915_ggtt *ggtt, u64 size)
else
ggtt->gsm = ioremap_wc(phys_addr, size);
if (!ggtt->gsm) {
- DRM_ERROR("Failed to map the ggtt page table\n");
+ drm_err(&i915->drm, "Failed to map the ggtt page table\n");
return -ENOMEM;
}
ret = setup_scratch_page(&ggtt->vm, GFP_DMA32);
if (ret) {
- DRM_ERROR("Scratch setup failed\n");
+ drm_err(&i915->drm, "Scratch setup failed\n");
/* iounmap will also get called at remove, but meh */
iounmap(ggtt->gsm);
return ret;
@@ -838,7 +840,6 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
struct pci_dev *pdev = i915->drm.pdev;
unsigned int size;
u16 snb_gmch_ctl;
- int err;
/* TODO: We're not aware of mappable constraints on gen8 yet */
if (!IS_DGFX(i915)) {
@@ -846,12 +847,6 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
ggtt->mappable_end = resource_size(&ggtt->gmadr);
}
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(39));
- if (!err)
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(39));
- if (err)
- DRM_ERROR("Can't set DMA mask/consistent mask (%d)\n", err);
-
pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
if (IS_CHERRYVIEW(i915))
size = chv_get_total_gtt_size(snb_gmch_ctl);
@@ -987,7 +982,6 @@ static int gen6_gmch_probe(struct i915_ggtt *ggtt)
struct pci_dev *pdev = i915->drm.pdev;
unsigned int size;
u16 snb_gmch_ctl;
- int err;
ggtt->gmadr = pci_resource(pdev, 2);
ggtt->mappable_end = resource_size(&ggtt->gmadr);
@@ -997,15 +991,11 @@ static int gen6_gmch_probe(struct i915_ggtt *ggtt)
* just a coarse sanity check.
*/
if (ggtt->mappable_end < (64<<20) || ggtt->mappable_end > (512<<20)) {
- DRM_ERROR("Unknown GMADR size (%pa)\n", &ggtt->mappable_end);
+ drm_err(&i915->drm, "Unknown GMADR size (%pa)\n",
+ &ggtt->mappable_end);
return -ENXIO;
}
- err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40));
- if (!err)
- err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
- if (err)
- DRM_ERROR("Can't set DMA mask/consistent mask (%d)\n", err);
pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
size = gen6_get_total_gtt_size(snb_gmch_ctl);
@@ -1052,7 +1042,7 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt)
ret = intel_gmch_probe(i915->bridge_dev, i915->drm.pdev, NULL);
if (!ret) {
- DRM_ERROR("failed to set up gmch\n");
+ drm_err(&i915->drm, "failed to set up gmch\n");
return -EIO;
}
@@ -1075,7 +1065,7 @@ static int i915_gmch_probe(struct i915_ggtt *ggtt)
ggtt->vm.vma_ops.clear_pages = clear_pages;
if (unlikely(ggtt->do_idle_maps))
- dev_notice(i915->drm.dev,
+ drm_notice(&i915->drm,
"Applying Ironlake quirks for intel_iommu\n");
return 0;
@@ -1100,26 +1090,29 @@ static int ggtt_probe_hw(struct i915_ggtt *ggtt, struct intel_gt *gt)
return ret;
if ((ggtt->vm.total - 1) >> 32) {
- DRM_ERROR("We never expected a Global GTT with more than 32bits"
- " of address space! Found %lldM!\n",
- ggtt->vm.total >> 20);
+ drm_err(&i915->drm,
+ "We never expected a Global GTT with more than 32bits"
+ " of address space! Found %lldM!\n",
+ ggtt->vm.total >> 20);
ggtt->vm.total = 1ULL << 32;
ggtt->mappable_end =
min_t(u64, ggtt->mappable_end, ggtt->vm.total);
}
if (ggtt->mappable_end > ggtt->vm.total) {
- DRM_ERROR("mappable aperture extends past end of GGTT,"
- " aperture=%pa, total=%llx\n",
- &ggtt->mappable_end, ggtt->vm.total);
+ drm_err(&i915->drm,
+ "mappable aperture extends past end of GGTT,"
+ " aperture=%pa, total=%llx\n",
+ &ggtt->mappable_end, ggtt->vm.total);
ggtt->mappable_end = ggtt->vm.total;
}
/* GMADR is the PCI mmio aperture into the global GTT. */
- DRM_DEBUG_DRIVER("GGTT size = %lluM\n", ggtt->vm.total >> 20);
- DRM_DEBUG_DRIVER("GMADR size = %lluM\n", (u64)ggtt->mappable_end >> 20);
- DRM_DEBUG_DRIVER("DSM size = %lluM\n",
- (u64)resource_size(&intel_graphics_stolen_res) >> 20);
+ drm_dbg(&i915->drm, "GGTT size = %lluM\n", ggtt->vm.total >> 20);
+ drm_dbg(&i915->drm, "GMADR size = %lluM\n",
+ (u64)ggtt->mappable_end >> 20);
+ drm_dbg(&i915->drm, "DSM size = %lluM\n",
+ (u64)resource_size(&intel_graphics_stolen_res) >> 20);
return 0;
}
@@ -1137,7 +1130,7 @@ int i915_ggtt_probe_hw(struct drm_i915_private *i915)
return ret;
if (intel_vtd_active())
- dev_info(i915->drm.dev, "VT-d active for gfx access\n");
+ drm_info(&i915->drm, "VT-d active for gfx access\n");
return 0;
}
@@ -1212,6 +1205,8 @@ void i915_ggtt_resume(struct i915_ggtt *ggtt)
if (INTEL_GEN(ggtt->vm.i915) >= 8)
setup_private_pat(ggtt->vm.gt->uncore);
+
+ intel_ggtt_restore_fences(ggtt);
}
static struct scatterlist *
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
index d152b648c73c..7fb36b12fe7a 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.c
@@ -68,8 +68,7 @@ static struct intel_uncore *fence_to_uncore(struct i915_fence_reg *fence)
return fence->ggtt->vm.gt->uncore;
}
-static void i965_write_fence_reg(struct i915_fence_reg *fence,
- struct i915_vma *vma)
+static void i965_write_fence_reg(struct i915_fence_reg *fence)
{
i915_reg_t fence_reg_lo, fence_reg_hi;
int fence_pitch_shift;
@@ -87,18 +86,16 @@ static void i965_write_fence_reg(struct i915_fence_reg *fence,
}
val = 0;
- if (vma) {
- unsigned int stride = i915_gem_object_get_stride(vma->obj);
+ if (fence->tiling) {
+ unsigned int stride = fence->stride;
- GEM_BUG_ON(!i915_vma_is_map_and_fenceable(vma));
- GEM_BUG_ON(!IS_ALIGNED(vma->node.start, I965_FENCE_PAGE));
- GEM_BUG_ON(!IS_ALIGNED(vma->fence_size, I965_FENCE_PAGE));
GEM_BUG_ON(!IS_ALIGNED(stride, 128));
- val = (vma->node.start + vma->fence_size - I965_FENCE_PAGE) << 32;
- val |= vma->node.start;
+ val = fence->start + fence->size - I965_FENCE_PAGE;
+ val <<= 32;
+ val |= fence->start;
val |= (u64)((stride / 128) - 1) << fence_pitch_shift;
- if (i915_gem_object_get_tiling(vma->obj) == I915_TILING_Y)
+ if (fence->tiling == I915_TILING_Y)
val |= BIT(I965_FENCE_TILING_Y_SHIFT);
val |= I965_FENCE_REG_VALID;
}
@@ -125,21 +122,15 @@ static void i965_write_fence_reg(struct i915_fence_reg *fence,
}
}
-static void i915_write_fence_reg(struct i915_fence_reg *fence,
- struct i915_vma *vma)
+static void i915_write_fence_reg(struct i915_fence_reg *fence)
{
u32 val;
val = 0;
- if (vma) {
- unsigned int tiling = i915_gem_object_get_tiling(vma->obj);
+ if (fence->tiling) {
+ unsigned int stride = fence->stride;
+ unsigned int tiling = fence->tiling;
bool is_y_tiled = tiling == I915_TILING_Y;
- unsigned int stride = i915_gem_object_get_stride(vma->obj);
-
- GEM_BUG_ON(!i915_vma_is_map_and_fenceable(vma));
- GEM_BUG_ON(vma->node.start & ~I915_FENCE_START_MASK);
- GEM_BUG_ON(!is_power_of_2(vma->fence_size));
- GEM_BUG_ON(!IS_ALIGNED(vma->node.start, vma->fence_size));
if (is_y_tiled && HAS_128_BYTE_Y_TILING(fence_to_i915(fence)))
stride /= 128;
@@ -147,10 +138,10 @@ static void i915_write_fence_reg(struct i915_fence_reg *fence,
stride /= 512;
GEM_BUG_ON(!is_power_of_2(stride));
- val = vma->node.start;
+ val = fence->start;
if (is_y_tiled)
val |= BIT(I830_FENCE_TILING_Y_SHIFT);
- val |= I915_FENCE_SIZE_BITS(vma->fence_size);
+ val |= I915_FENCE_SIZE_BITS(fence->size);
val |= ilog2(stride) << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
@@ -165,25 +156,18 @@ static void i915_write_fence_reg(struct i915_fence_reg *fence,
}
}
-static void i830_write_fence_reg(struct i915_fence_reg *fence,
- struct i915_vma *vma)
+static void i830_write_fence_reg(struct i915_fence_reg *fence)
{
u32 val;
val = 0;
- if (vma) {
- unsigned int stride = i915_gem_object_get_stride(vma->obj);
-
- GEM_BUG_ON(!i915_vma_is_map_and_fenceable(vma));
- GEM_BUG_ON(vma->node.start & ~I830_FENCE_START_MASK);
- GEM_BUG_ON(!is_power_of_2(vma->fence_size));
- GEM_BUG_ON(!is_power_of_2(stride / 128));
- GEM_BUG_ON(!IS_ALIGNED(vma->node.start, vma->fence_size));
+ if (fence->tiling) {
+ unsigned int stride = fence->stride;
- val = vma->node.start;
- if (i915_gem_object_get_tiling(vma->obj) == I915_TILING_Y)
+ val = fence->start;
+ if (fence->tiling == I915_TILING_Y)
val |= BIT(I830_FENCE_TILING_Y_SHIFT);
- val |= I830_FENCE_SIZE_BITS(vma->fence_size);
+ val |= I830_FENCE_SIZE_BITS(fence->size);
val |= ilog2(stride / 128) << I830_FENCE_PITCH_SHIFT;
val |= I830_FENCE_REG_VALID;
}
@@ -197,8 +181,7 @@ static void i830_write_fence_reg(struct i915_fence_reg *fence,
}
}
-static void fence_write(struct i915_fence_reg *fence,
- struct i915_vma *vma)
+static void fence_write(struct i915_fence_reg *fence)
{
struct drm_i915_private *i915 = fence_to_i915(fence);
@@ -209,18 +192,21 @@ static void fence_write(struct i915_fence_reg *fence,
*/
if (IS_GEN(i915, 2))
- i830_write_fence_reg(fence, vma);
+ i830_write_fence_reg(fence);
else if (IS_GEN(i915, 3))
- i915_write_fence_reg(fence, vma);
+ i915_write_fence_reg(fence);
else
- i965_write_fence_reg(fence, vma);
+ i965_write_fence_reg(fence);
/*
* Access through the fenced region afterwards is
* ordered by the posting reads whilst writing the registers.
*/
+}
- fence->dirty = false;
+static bool gpu_uses_fence_registers(struct i915_fence_reg *fence)
+{
+ return INTEL_GEN(fence_to_i915(fence)) < 4;
}
static int fence_update(struct i915_fence_reg *fence,
@@ -232,27 +218,32 @@ static int fence_update(struct i915_fence_reg *fence,
struct i915_vma *old;
int ret;
+ fence->tiling = 0;
if (vma) {
+ GEM_BUG_ON(!i915_gem_object_get_stride(vma->obj) ||
+ !i915_gem_object_get_tiling(vma->obj));
+
if (!i915_vma_is_map_and_fenceable(vma))
return -EINVAL;
- if (drm_WARN(&uncore->i915->drm,
- !i915_gem_object_get_stride(vma->obj) ||
- !i915_gem_object_get_tiling(vma->obj),
- "bogus fence setup with stride: 0x%x, tiling mode: %i\n",
- i915_gem_object_get_stride(vma->obj),
- i915_gem_object_get_tiling(vma->obj)))
- return -EINVAL;
+ if (gpu_uses_fence_registers(fence)) {
+ /* implicit 'unfenced' GPU blits */
+ ret = i915_vma_sync(vma);
+ if (ret)
+ return ret;
+ }
- ret = i915_vma_sync(vma);
- if (ret)
- return ret;
+ fence->start = vma->node.start;
+ fence->size = vma->fence_size;
+ fence->stride = i915_gem_object_get_stride(vma->obj);
+ fence->tiling = i915_gem_object_get_tiling(vma->obj);
}
+ WRITE_ONCE(fence->dirty, false);
old = xchg(&fence->vma, NULL);
if (old) {
/* XXX Ideally we would move the waiting to outside the mutex */
- ret = i915_vma_sync(old);
+ ret = i915_active_wait(&fence->active);
if (ret) {
fence->vma = old;
return ret;
@@ -276,7 +267,7 @@ static int fence_update(struct i915_fence_reg *fence,
/*
* We only need to update the register itself if the device is awake.
* If the device is currently powered down, we will defer the write
- * to the runtime resume, see i915_gem_restore_fences().
+ * to the runtime resume, see intel_ggtt_restore_fences().
*
* This only works for removing the fence register, on acquisition
* the caller must hold the rpm wakeref. The fence register must
@@ -290,7 +281,7 @@ static int fence_update(struct i915_fence_reg *fence,
}
WRITE_ONCE(fence->vma, vma);
- fence_write(fence, vma);
+ fence_write(fence);
if (vma) {
vma->fence = fence;
@@ -307,23 +298,26 @@ static int fence_update(struct i915_fence_reg *fence,
*
* This function force-removes any fence from the given object, which is useful
* if the kernel wants to do untiled GTT access.
- *
- * Returns:
- *
- * 0 on success, negative error code on failure.
*/
-int i915_vma_revoke_fence(struct i915_vma *vma)
+void i915_vma_revoke_fence(struct i915_vma *vma)
{
struct i915_fence_reg *fence = vma->fence;
+ intel_wakeref_t wakeref;
lockdep_assert_held(&vma->vm->mutex);
if (!fence)
- return 0;
+ return;
- if (atomic_read(&fence->pin_count))
- return -EBUSY;
+ GEM_BUG_ON(fence->vma != vma);
+ GEM_BUG_ON(!i915_active_is_idle(&fence->active));
+ GEM_BUG_ON(atomic_read(&fence->pin_count));
- return fence_update(fence, NULL);
+ fence->tiling = 0;
+ WRITE_ONCE(fence->vma, NULL);
+ vma->fence = NULL;
+
+ with_intel_runtime_pm_if_in_use(fence_to_uncore(fence)->rpm, wakeref)
+ fence_write(fence);
}
static struct i915_fence_reg *fence_find(struct i915_ggtt *ggtt)
@@ -487,34 +481,19 @@ void i915_unreserve_fence(struct i915_fence_reg *fence)
}
/**
- * i915_gem_restore_fences - restore fence state
+ * intel_ggtt_restore_fences - restore fence state
* @ggtt: Global GTT
*
* Restore the hw fence state to match the software tracking again, to be called
* after a gpu reset and on resume. Note that on runtime suspend we only cancel
* the fences, to be reacquired by the user later.
*/
-void i915_gem_restore_fences(struct i915_ggtt *ggtt)
+void intel_ggtt_restore_fences(struct i915_ggtt *ggtt)
{
int i;
- rcu_read_lock(); /* keep obj alive as we dereference */
- for (i = 0; i < ggtt->num_fences; i++) {
- struct i915_fence_reg *reg = &ggtt->fence_regs[i];
- struct i915_vma *vma = READ_ONCE(reg->vma);
-
- GEM_BUG_ON(vma && vma->fence != reg);
-
- /*
- * Commit delayed tiling changes if we have an object still
- * attached to the fence, otherwise just clear the fence.
- */
- if (vma && !i915_gem_object_is_tiled(vma->obj))
- vma = NULL;
-
- fence_write(reg, vma);
- }
- rcu_read_unlock();
+ for (i = 0; i < ggtt->num_fences; i++)
+ fence_write(&ggtt->fence_regs[i]);
}
/**
@@ -746,7 +725,7 @@ static void detect_bit_6_swizzle(struct i915_ggtt *ggtt)
* bit 17 of its physical address and therefore being interpreted differently
* by the GPU.
*/
-static void i915_gem_swizzle_page(struct page *page)
+static void swizzle_page(struct page *page)
{
char temp[64];
char *vaddr;
@@ -791,7 +770,7 @@ i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
for_each_sgt_page(page, sgt_iter, pages) {
char new_bit_17 = page_to_phys(page) >> 17;
if ((new_bit_17 & 0x1) != (test_bit(i, obj->bit_17) != 0)) {
- i915_gem_swizzle_page(page);
+ swizzle_page(page);
set_page_dirty(page);
}
i++;
@@ -836,7 +815,7 @@ i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj,
}
}
-void i915_ggtt_init_fences(struct i915_ggtt *ggtt)
+void intel_ggtt_init_fences(struct i915_ggtt *ggtt)
{
struct drm_i915_private *i915 = ggtt->vm.i915;
struct intel_uncore *uncore = ggtt->vm.gt->uncore;
@@ -864,18 +843,37 @@ void i915_ggtt_init_fences(struct i915_ggtt *ggtt)
if (intel_vgpu_active(i915))
num_fences = intel_uncore_read(uncore,
vgtif_reg(avail_rs.fence_num));
+ ggtt->fence_regs = kcalloc(num_fences,
+ sizeof(*ggtt->fence_regs),
+ GFP_KERNEL);
+ if (!ggtt->fence_regs)
+ num_fences = 0;
/* Initialize fence registers to zero */
for (i = 0; i < num_fences; i++) {
struct i915_fence_reg *fence = &ggtt->fence_regs[i];
+ i915_active_init(&fence->active, NULL, NULL);
fence->ggtt = ggtt;
fence->id = i;
list_add_tail(&fence->link, &ggtt->fence_list);
}
ggtt->num_fences = num_fences;
- i915_gem_restore_fences(ggtt);
+ intel_ggtt_restore_fences(ggtt);
+}
+
+void intel_ggtt_fini_fences(struct i915_ggtt *ggtt)
+{
+ int i;
+
+ for (i = 0; i < ggtt->num_fences; i++) {
+ struct i915_fence_reg *fence = &ggtt->fence_regs[i];
+
+ i915_active_fini(&fence->active);
+ }
+
+ kfree(ggtt->fence_regs);
}
void intel_gt_init_swizzling(struct intel_gt *gt)
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.h b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.h
index 7bd521cd7cd7..9eef679e1311 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.h
+++ b/drivers/gpu/drm/i915/gt/intel_ggtt_fencing.h
@@ -22,12 +22,14 @@
*
*/
-#ifndef __I915_FENCE_REG_H__
-#define __I915_FENCE_REG_H__
+#ifndef __INTEL_GGTT_FENCING_H__
+#define __INTEL_GGTT_FENCING_H__
#include <linux/list.h>
#include <linux/types.h>
+#include "i915_active.h"
+
struct drm_i915_gem_object;
struct i915_ggtt;
struct i915_vma;
@@ -41,6 +43,7 @@ struct i915_fence_reg {
struct i915_ggtt *ggtt;
struct i915_vma *vma;
atomic_t pin_count;
+ struct i915_active active;
int id;
/**
* Whether the tiling parameters for the currently
@@ -51,20 +54,24 @@ struct i915_fence_reg {
* command (such as BLT on gen2/3), as a "fence".
*/
bool dirty;
+ u32 start;
+ u32 size;
+ u32 tiling;
+ u32 stride;
};
-/* i915_gem_fence_reg.c */
struct i915_fence_reg *i915_reserve_fence(struct i915_ggtt *ggtt);
void i915_unreserve_fence(struct i915_fence_reg *fence);
-void i915_gem_restore_fences(struct i915_ggtt *ggtt);
+void intel_ggtt_restore_fences(struct i915_ggtt *ggtt);
void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj,
struct sg_table *pages);
void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj,
struct sg_table *pages);
-void i915_ggtt_init_fences(struct i915_ggtt *ggtt);
+void intel_ggtt_init_fences(struct i915_ggtt *ggtt);
+void intel_ggtt_fini_fences(struct i915_ggtt *ggtt);
void intel_gt_init_swizzling(struct intel_gt *gt);
diff --git a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
index f04214a54f75..534e435f20bc 100644
--- a/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
+++ b/drivers/gpu/drm/i915/gt/intel_gpu_commands.h
@@ -138,7 +138,7 @@
*/
#define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*(x)-1)
/* Gen11+. addr = base + (ctx_restore ? offset & GENMASK(12,2) : offset) */
-#define MI_LRI_CS_MMIO (1<<19)
+#define MI_LRI_LRM_CS_MMIO REG_BIT(19)
#define MI_LRI_FORCE_POSTED (1<<12)
#define MI_LOAD_REGISTER_IMM_MAX_REGS (126)
#define MI_STORE_REGISTER_MEM MI_INSTR(0x24, 1)
@@ -156,6 +156,7 @@
#define MI_LOAD_REGISTER_MEM MI_INSTR(0x29, 1)
#define MI_LOAD_REGISTER_MEM_GEN8 MI_INSTR(0x29, 2)
#define MI_LOAD_REGISTER_REG MI_INSTR(0x2A, 1)
+#define MI_LRR_SOURCE_CS_MMIO REG_BIT(18)
#define MI_BATCH_BUFFER MI_INSTR(0x30, 1)
#define MI_BATCH_NON_SECURE (1)
/* for snb/ivb/vlv this also means "batch in ppgtt" when ppgtt is enabled. */
@@ -235,9 +236,8 @@
#define PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH (1<<12) /* gen6+ */
#define PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE (1<<11) /* MBZ on ILK */
#define PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE (1<<10) /* GM45+ only */
-#define PIPE_CONTROL_L3_RO_CACHE_INVALIDATE REG_BIT(10) /* gen12 */
#define PIPE_CONTROL_INDIRECT_STATE_DISABLE (1<<9)
-#define PIPE_CONTROL_HDC_PIPELINE_FLUSH REG_BIT(9) /* gen12 */
+#define PIPE_CONTROL0_HDC_PIPELINE_FLUSH REG_BIT(9) /* gen12 */
#define PIPE_CONTROL_NOTIFY (1<<8)
#define PIPE_CONTROL_FLUSH_ENABLE (1<<7) /* gen7+ */
#define PIPE_CONTROL_DC_FLUSH_ENABLE (1<<5)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index d09f7596cb98..f069551e412f 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -7,6 +7,8 @@
#include "i915_drv.h"
#include "intel_context.h"
#include "intel_gt.h"
+#include "intel_gt_buffer_pool.h"
+#include "intel_gt_clock_utils.h"
#include "intel_gt_pm.h"
#include "intel_gt_requests.h"
#include "intel_mocs.h"
@@ -15,6 +17,7 @@
#include "intel_rps.h"
#include "intel_uncore.h"
#include "intel_pm.h"
+#include "shmem_utils.h"
void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
{
@@ -26,6 +29,7 @@ void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915)
INIT_LIST_HEAD(&gt->closed_vma);
spin_lock_init(&gt->closed_lock);
+ intel_gt_init_buffer_pool(gt);
intel_gt_init_reset(gt);
intel_gt_init_requests(gt);
intel_gt_init_timelines(gt);
@@ -370,18 +374,6 @@ static struct i915_address_space *kernel_vm(struct intel_gt *gt)
return i915_vm_get(&gt->ggtt->vm);
}
-static int __intel_context_flush_retire(struct intel_context *ce)
-{
- struct intel_timeline *tl;
-
- tl = intel_context_timeline_lock(ce);
- if (IS_ERR(tl))
- return PTR_ERR(tl);
-
- intel_context_timeline_unlock(tl);
- return 0;
-}
-
static int __engines_record_defaults(struct intel_gt *gt)
{
struct i915_request *requests[I915_NUM_ENGINES] = {};
@@ -447,8 +439,7 @@ err_rq:
for (id = 0; id < ARRAY_SIZE(requests); id++) {
struct i915_request *rq;
- struct i915_vma *state;
- void *vaddr;
+ struct file *state;
rq = requests[id];
if (!rq)
@@ -460,48 +451,16 @@ err_rq:
}
GEM_BUG_ON(!test_bit(CONTEXT_ALLOC_BIT, &rq->context->flags));
- state = rq->context->state;
- if (!state)
+ if (!rq->context->state)
continue;
- /* Serialise with retirement on another CPU */
- GEM_BUG_ON(!i915_request_completed(rq));
- err = __intel_context_flush_retire(rq->context);
- if (err)
- goto out;
-
- /* We want to be able to unbind the state from the GGTT */
- GEM_BUG_ON(intel_context_is_pinned(rq->context));
-
- /*
- * As we will hold a reference to the logical state, it will
- * not be torn down with the context, and importantly the
- * object will hold onto its vma (making it possible for a
- * stray GTT write to corrupt our defaults). Unmap the vma
- * from the GTT to prevent such accidents and reclaim the
- * space.
- */
- err = i915_vma_unbind(state);
- if (err)
- goto out;
-
- i915_gem_object_lock(state->obj);
- err = i915_gem_object_set_to_cpu_domain(state->obj, false);
- i915_gem_object_unlock(state->obj);
- if (err)
- goto out;
-
- i915_gem_object_set_cache_coherency(state->obj, I915_CACHE_LLC);
-
- /* Check we can acquire the image of the context state */
- vaddr = i915_gem_object_pin_map(state->obj, I915_MAP_FORCE_WB);
- if (IS_ERR(vaddr)) {
- err = PTR_ERR(vaddr);
+ /* Keep a copy of the state's backing pages; free the obj */
+ state = shmem_create_from_object(rq->context->state->obj);
+ if (IS_ERR(state)) {
+ err = PTR_ERR(state);
goto out;
}
-
- rq->engine->default_state = i915_gem_object_get(state->obj);
- i915_gem_object_unpin_map(state->obj);
+ rq->engine->default_state = state;
}
out:
@@ -576,6 +535,8 @@ int intel_gt_init(struct intel_gt *gt)
*/
intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL);
+ intel_gt_init_clock_frequency(gt);
+
err = intel_gt_init_scratch(gt, IS_GEN(gt->i915, 2) ? SZ_256K : SZ_4K);
if (err)
goto out_fw;
@@ -635,8 +596,7 @@ void intel_gt_driver_remove(struct intel_gt *gt)
{
__intel_gt_disable(gt);
- intel_uc_fini_hw(&gt->uc);
- intel_uc_fini(&gt->uc);
+ intel_uc_driver_remove(&gt->uc);
intel_engines_release(gt);
}
@@ -663,6 +623,7 @@ void intel_gt_driver_release(struct intel_gt *gt)
intel_gt_pm_fini(gt);
intel_gt_fini_scratch(gt);
+ intel_gt_fini_buffer_pool(gt);
}
void intel_gt_driver_late_release(struct intel_gt *gt)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool.c b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool.c
index 397186818305..1495054a4305 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool.c
@@ -1,6 +1,5 @@
+// SPDX-License-Identifier: MIT
/*
- * SPDX-License-Identifier: MIT
- *
* Copyright © 2014-2018 Intel Corporation
*/
@@ -8,15 +7,15 @@
#include "i915_drv.h"
#include "intel_engine_pm.h"
-#include "intel_engine_pool.h"
+#include "intel_gt_buffer_pool.h"
-static struct intel_engine_cs *to_engine(struct intel_engine_pool *pool)
+static struct intel_gt *to_gt(struct intel_gt_buffer_pool *pool)
{
- return container_of(pool, struct intel_engine_cs, pool);
+ return container_of(pool, struct intel_gt, buffer_pool);
}
static struct list_head *
-bucket_for_size(struct intel_engine_pool *pool, size_t sz)
+bucket_for_size(struct intel_gt_buffer_pool *pool, size_t sz)
{
int n;
@@ -32,16 +31,50 @@ bucket_for_size(struct intel_engine_pool *pool, size_t sz)
return &pool->cache_list[n];
}
-static void node_free(struct intel_engine_pool_node *node)
+static void node_free(struct intel_gt_buffer_pool_node *node)
{
i915_gem_object_put(node->obj);
i915_active_fini(&node->active);
kfree(node);
}
+static void pool_free_work(struct work_struct *wrk)
+{
+ struct intel_gt_buffer_pool *pool =
+ container_of(wrk, typeof(*pool), work.work);
+ struct intel_gt_buffer_pool_node *node, *next;
+ unsigned long old = jiffies - HZ;
+ bool active = false;
+ LIST_HEAD(stale);
+ int n;
+
+ /* Free buffers that have not been used in the past second */
+ spin_lock_irq(&pool->lock);
+ for (n = 0; n < ARRAY_SIZE(pool->cache_list); n++) {
+ struct list_head *list = &pool->cache_list[n];
+
+ /* Most recent at head; oldest at tail */
+ list_for_each_entry_safe_reverse(node, next, list, link) {
+ if (time_before(node->age, old))
+ break;
+
+ list_move(&node->link, &stale);
+ }
+ active |= !list_empty(list);
+ }
+ spin_unlock_irq(&pool->lock);
+
+ list_for_each_entry_safe(node, next, &stale, link)
+ node_free(node);
+
+ if (active)
+ schedule_delayed_work(&pool->work,
+ round_jiffies_up_relative(HZ));
+}
+
static int pool_active(struct i915_active *ref)
{
- struct intel_engine_pool_node *node =
+ struct intel_gt_buffer_pool_node *node =
container_of(ref, typeof(*node), active);
struct dma_resv *resv = node->obj->base.resv;
int err;
@@ -64,29 +97,31 @@ static int pool_active(struct i915_active *ref)
__i915_active_call
static void pool_retire(struct i915_active *ref)
{
- struct intel_engine_pool_node *node =
+ struct intel_gt_buffer_pool_node *node =
container_of(ref, typeof(*node), active);
- struct intel_engine_pool *pool = node->pool;
+ struct intel_gt_buffer_pool *pool = node->pool;
struct list_head *list = bucket_for_size(pool, node->obj->base.size);
unsigned long flags;
- GEM_BUG_ON(!intel_engine_pm_is_awake(to_engine(pool)));
-
i915_gem_object_unpin_pages(node->obj);
/* Return this object to the shrinker pool */
i915_gem_object_make_purgeable(node->obj);
spin_lock_irqsave(&pool->lock, flags);
+ node->age = jiffies;
list_add(&node->link, list);
spin_unlock_irqrestore(&pool->lock, flags);
+
+ schedule_delayed_work(&pool->work,
+ round_jiffies_up_relative(HZ));
}
-static struct intel_engine_pool_node *
-node_create(struct intel_engine_pool *pool, size_t sz)
+static struct intel_gt_buffer_pool_node *
+node_create(struct intel_gt_buffer_pool *pool, size_t sz)
{
- struct intel_engine_cs *engine = to_engine(pool);
- struct intel_engine_pool_node *node;
+ struct intel_gt *gt = to_gt(pool);
+ struct intel_gt_buffer_pool_node *node;
struct drm_i915_gem_object *obj;
node = kmalloc(sizeof(*node),
@@ -97,7 +132,7 @@ node_create(struct intel_engine_pool *pool, size_t sz)
node->pool = pool;
i915_active_init(&node->active, pool_active, pool_retire);
- obj = i915_gem_object_create_internal(engine->i915, sz);
+ obj = i915_gem_object_create_internal(gt->i915, sz);
if (IS_ERR(obj)) {
i915_active_fini(&node->active);
kfree(node);
@@ -110,26 +145,15 @@ node_create(struct intel_engine_pool *pool, size_t sz)
return node;
}
-static struct intel_engine_pool *lookup_pool(struct intel_engine_cs *engine)
+struct intel_gt_buffer_pool_node *
+intel_gt_get_buffer_pool(struct intel_gt *gt, size_t size)
{
- if (intel_engine_is_virtual(engine))
- engine = intel_virtual_engine_get_sibling(engine, 0);
-
- GEM_BUG_ON(!engine);
- return &engine->pool;
-}
-
-struct intel_engine_pool_node *
-intel_engine_get_pool(struct intel_engine_cs *engine, size_t size)
-{
- struct intel_engine_pool *pool = lookup_pool(engine);
- struct intel_engine_pool_node *node;
+ struct intel_gt_buffer_pool *pool = &gt->buffer_pool;
+ struct intel_gt_buffer_pool_node *node;
struct list_head *list;
unsigned long flags;
int ret;
- GEM_BUG_ON(!intel_engine_pm_is_awake(to_engine(pool)));
-
size = PAGE_ALIGN(size);
list = bucket_for_size(pool, size);
@@ -157,34 +181,48 @@ intel_engine_get_pool(struct intel_engine_cs *engine, size_t size)
return node;
}
-void intel_engine_pool_init(struct intel_engine_pool *pool)
+void intel_gt_init_buffer_pool(struct intel_gt *gt)
{
+ struct intel_gt_buffer_pool *pool = &gt->buffer_pool;
int n;
spin_lock_init(&pool->lock);
for (n = 0; n < ARRAY_SIZE(pool->cache_list); n++)
INIT_LIST_HEAD(&pool->cache_list[n]);
+ INIT_DELAYED_WORK(&pool->work, pool_free_work);
}
-void intel_engine_pool_park(struct intel_engine_pool *pool)
+static void pool_free_imm(struct intel_gt_buffer_pool *pool)
{
int n;
+ spin_lock_irq(&pool->lock);
for (n = 0; n < ARRAY_SIZE(pool->cache_list); n++) {
+ struct intel_gt_buffer_pool_node *node, *next;
struct list_head *list = &pool->cache_list[n];
- struct intel_engine_pool_node *node, *nn;
- list_for_each_entry_safe(node, nn, list, link)
+ list_for_each_entry_safe(node, next, list, link)
node_free(node);
-
INIT_LIST_HEAD(list);
}
+ spin_unlock_irq(&pool->lock);
+}
+
+void intel_gt_flush_buffer_pool(struct intel_gt *gt)
+{
+ struct intel_gt_buffer_pool *pool = &gt->buffer_pool;
+
+ if (cancel_delayed_work_sync(&pool->work))
+ pool_free_imm(pool);
}
-void intel_engine_pool_fini(struct intel_engine_pool *pool)
+void intel_gt_fini_buffer_pool(struct intel_gt *gt)
{
+ struct intel_gt_buffer_pool *pool = &gt->buffer_pool;
int n;
+ intel_gt_flush_buffer_pool(gt);
+
for (n = 0; n < ARRAY_SIZE(pool->cache_list); n++)
GEM_BUG_ON(!list_empty(&pool->cache_list[n]));
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool.h b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool.h
new file mode 100644
index 000000000000..42cbac003e8a
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2014-2018 Intel Corporation
+ */
+
+#ifndef INTEL_GT_BUFFER_POOL_H
+#define INTEL_GT_BUFFER_POOL_H
+
+#include <linux/types.h>
+
+#include "i915_active.h"
+#include "intel_gt_buffer_pool_types.h"
+
+struct intel_gt;
+struct i915_request;
+
+struct intel_gt_buffer_pool_node *
+intel_gt_get_buffer_pool(struct intel_gt *gt, size_t size);
+
+static inline int
+intel_gt_buffer_pool_mark_active(struct intel_gt_buffer_pool_node *node,
+ struct i915_request *rq)
+{
+ return i915_active_add_request(&node->active, rq);
+}
+
+static inline void
+intel_gt_buffer_pool_put(struct intel_gt_buffer_pool_node *node)
+{
+ i915_active_release(&node->active);
+}
+
+void intel_gt_init_buffer_pool(struct intel_gt *gt);
+void intel_gt_flush_buffer_pool(struct intel_gt *gt);
+void intel_gt_fini_buffer_pool(struct intel_gt *gt);
+
+#endif /* INTEL_GT_BUFFER_POOL_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pool_types.h b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool_types.h
index e31ee361b76f..e28bdda771ed 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pool_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_buffer_pool_types.h
@@ -4,26 +4,29 @@
* Copyright © 2014-2018 Intel Corporation
*/
-#ifndef INTEL_ENGINE_POOL_TYPES_H
-#define INTEL_ENGINE_POOL_TYPES_H
+#ifndef INTEL_GT_BUFFER_POOL_TYPES_H
+#define INTEL_GT_BUFFER_POOL_TYPES_H
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <linux/workqueue.h>
#include "i915_active_types.h"
struct drm_i915_gem_object;
-struct intel_engine_pool {
+struct intel_gt_buffer_pool {
spinlock_t lock;
struct list_head cache_list[4];
+ struct delayed_work work;
};
-struct intel_engine_pool_node {
+struct intel_gt_buffer_pool_node {
struct i915_active active;
struct drm_i915_gem_object *obj;
struct list_head link;
- struct intel_engine_pool *pool;
+ struct intel_gt_buffer_pool *pool;
+ unsigned long age;
};
-#endif /* INTEL_ENGINE_POOL_TYPES_H */
+#endif /* INTEL_GT_BUFFER_POOL_TYPES_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
new file mode 100644
index 000000000000..999079686846
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include "i915_drv.h"
+#include "intel_gt.h"
+#include "intel_gt_clock_utils.h"
+
+#define MHZ_12 12000000 /* 12MHz (24MHz/2), 83.333ns */
+#define MHZ_12_5 12500000 /* 12.5MHz (25MHz/2), 80ns */
+#define MHZ_19_2 19200000 /* 19.2MHz, 52.083ns */
+
+static u32 read_clock_frequency(const struct intel_gt *gt)
+{
+ if (INTEL_GEN(gt->i915) >= 11) {
+ u32 config;
+
+ config = intel_uncore_read(gt->uncore, RPM_CONFIG0);
+ config &= GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK;
+ config >>= GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_SHIFT;
+
+ switch (config) {
+ case 0: return MHZ_12;
+ case 1:
+ case 2: return MHZ_19_2;
+ default:
+ case 3: return MHZ_12_5;
+ }
+ } else if (INTEL_GEN(gt->i915) >= 9) {
+ if (IS_GEN9_LP(gt->i915))
+ return MHZ_19_2;
+ else
+ return MHZ_12;
+ } else {
+ return MHZ_12_5;
+ }
+}
+
+void intel_gt_init_clock_frequency(struct intel_gt *gt)
+{
+ /*
+ * Note that on gen11+, the clock frequency may be reconfigured.
+ * We do not, and we assume nobody else does.
+ */
+ gt->clock_frequency = read_clock_frequency(gt);
+ GT_TRACE(gt,
+ "Using clock frequency: %dkHz\n",
+ gt->clock_frequency / 1000);
+}
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
+void intel_gt_check_clock_frequency(const struct intel_gt *gt)
+{
+ if (gt->clock_frequency != read_clock_frequency(gt)) {
+ dev_err(gt->i915->drm.dev,
+ "GT clock frequency changed, was %uHz, now %uHz!\n",
+ gt->clock_frequency,
+ read_clock_frequency(gt));
+ }
+}
+#endif
+
+static u64 div_u64_roundup(u64 nom, u32 den)
+{
+ return div_u64(nom + den - 1, den);
+}
+
+u32 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u32 count)
+{
+ return div_u64_roundup(mul_u32_u32(count, 1000 * 1000 * 1000),
+ gt->clock_frequency);
+}
+
+u32 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u32 count)
+{
+ return intel_gt_clock_interval_to_ns(gt, 16 * count);
+}
+
+u32 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u32 ns)
+{
+ return div_u64_roundup(mul_u32_u32(gt->clock_frequency, ns),
+ 1000 * 1000 * 1000);
+}
+
+u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns)
+{
+ u32 val;
+
+ /*
+ * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS
+ * 8300) freezing up around GPU hangs. Looks as if even
+ * scheduling/timer interrupts start misbehaving if the RPS
+ * EI/thresholds are "bad", leading to a very sluggish or even
+ * frozen machine.
+ */
+ val = DIV_ROUND_UP(intel_gt_ns_to_clock_interval(gt, ns), 16);
+ if (IS_GEN(gt->i915, 6))
+ val = roundup(val, 25);
+
+ return val;
+}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h
new file mode 100644
index 000000000000..f793c89f2cbd
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/intel_gt_clock_utils.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef __INTEL_GT_CLOCK_UTILS_H__
+#define __INTEL_GT_CLOCK_UTILS_H__
+
+#include <linux/types.h>
+
+struct intel_gt;
+
+void intel_gt_init_clock_frequency(struct intel_gt *gt);
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
+void intel_gt_check_clock_frequency(const struct intel_gt *gt);
+#else
+static inline void intel_gt_check_clock_frequency(const struct intel_gt *gt) {}
+#endif
+
+u32 intel_gt_clock_interval_to_ns(const struct intel_gt *gt, u32 count);
+u32 intel_gt_pm_interval_to_ns(const struct intel_gt *gt, u32 count);
+
+u32 intel_gt_ns_to_clock_interval(const struct intel_gt *gt, u32 ns);
+u32 intel_gt_ns_to_pm_interval(const struct intel_gt *gt, u32 ns);
+
+#endif /* __INTEL_GT_CLOCK_UTILS_H__ */
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_irq.c b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
index f0e7fd95165a..0cc7dd54f4f9 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_irq.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_irq.c
@@ -39,6 +39,15 @@ cs_irq_handler(struct intel_engine_cs *engine, u32 iir)
}
}
+ if (iir & GT_WAIT_SEMAPHORE_INTERRUPT) {
+ WRITE_ONCE(engine->execlists.yield,
+ ENGINE_READ_FW(engine, RING_EXECLIST_STATUS_HI));
+ ENGINE_TRACE(engine, "semaphore yield: %08x\n",
+ engine->execlists.yield);
+ if (del_timer(&engine->execlists.timer))
+ tasklet = true;
+ }
+
if (iir & GT_CONTEXT_SWITCH_INTERRUPT)
tasklet = true;
@@ -228,7 +237,8 @@ void gen11_gt_irq_postinstall(struct intel_gt *gt)
const u32 irqs =
GT_CS_MASTER_ERROR_INTERRUPT |
GT_RENDER_USER_INTERRUPT |
- GT_CONTEXT_SWITCH_INTERRUPT;
+ GT_CONTEXT_SWITCH_INTERRUPT |
+ GT_WAIT_SEMAPHORE_INTERRUPT;
struct intel_uncore *uncore = gt->uncore;
const u32 dmask = irqs << 16 | irqs;
const u32 smask = irqs << 16;
@@ -366,7 +376,8 @@ void gen8_gt_irq_postinstall(struct intel_gt *gt)
const u32 irqs =
GT_CS_MASTER_ERROR_INTERRUPT |
GT_RENDER_USER_INTERRUPT |
- GT_CONTEXT_SWITCH_INTERRUPT;
+ GT_CONTEXT_SWITCH_INTERRUPT |
+ GT_WAIT_SEMAPHORE_INTERRUPT;
const u32 gt_interrupts[] = {
irqs << GEN8_RCS_IRQ_SHIFT | irqs << GEN8_BCS_IRQ_SHIFT,
irqs << GEN8_VCS0_IRQ_SHIFT | irqs << GEN8_VCS1_IRQ_SHIFT,
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_pm.c b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
index 8b653c0f5e5f..6bdb434a442d 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_pm.c
@@ -12,6 +12,7 @@
#include "intel_context.h"
#include "intel_engine_pm.h"
#include "intel_gt.h"
+#include "intel_gt_clock_utils.h"
#include "intel_gt_pm.h"
#include "intel_gt_requests.h"
#include "intel_llc.h"
@@ -138,6 +139,8 @@ static void gt_sanitize(struct intel_gt *gt, bool force)
wakeref = intel_runtime_pm_get(gt->uncore->rpm);
intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL);
+ intel_gt_check_clock_frequency(gt);
+
/*
* As we have just resumed the machine and woken the device up from
* deep PCI sleep (presumably D3_cold), assume the HW has been reset
@@ -155,6 +158,10 @@ static void gt_sanitize(struct intel_gt *gt, bool force)
intel_uc_reset_prepare(&gt->uc);
+ for_each_engine(engine, gt, id)
+ if (engine->sanitize)
+ engine->sanitize(engine);
+
if (reset_engines(gt) || force) {
for_each_engine(engine, gt, id)
__intel_engine_reset(engine, false);
@@ -164,6 +171,8 @@ static void gt_sanitize(struct intel_gt *gt, bool force)
if (engine->reset.finish)
engine->reset.finish(engine);
+ intel_rps_sanitize(&gt->rps);
+
intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL);
intel_runtime_pm_put(gt->uncore->rpm, wakeref);
}
@@ -191,11 +200,12 @@ int intel_gt_resume(struct intel_gt *gt)
* Only the kernel contexts should remain pinned over suspend,
* allowing us to fixup the user contexts on their first pin.
*/
+ gt_sanitize(gt, true);
+
intel_gt_pm_get(gt);
intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL);
intel_rc6_sanitize(&gt->rc6);
- gt_sanitize(gt, true);
if (intel_gt_is_wedged(gt)) {
err = -EIO;
goto out_fw;
@@ -204,7 +214,7 @@ int intel_gt_resume(struct intel_gt *gt)
/* Only when the HW is re-initialised, can we replay the requests */
err = intel_gt_init_hw(gt);
if (err) {
- dev_err(gt->i915->drm.dev,
+ drm_err(&gt->i915->drm,
"Failed to initialize GPU, declaring it wedged!\n");
goto err_wedged;
}
@@ -220,7 +230,7 @@ int intel_gt_resume(struct intel_gt *gt)
intel_engine_pm_put(engine);
if (err) {
- dev_err(gt->i915->drm.dev,
+ drm_err(&gt->i915->drm,
"Failed to restart %s (%d)\n",
engine->name, err);
goto err_wedged;
@@ -324,6 +334,7 @@ int intel_gt_runtime_resume(struct intel_gt *gt)
{
GT_TRACE(gt, "\n");
intel_gt_init_swizzling(gt);
+ intel_ggtt_restore_fences(gt->ggtt);
return intel_uc_runtime_resume(&gt->uc);
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
index 24c99d0838af..16ff47c83bd5 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c
@@ -26,6 +26,11 @@ static bool retire_requests(struct intel_timeline *tl)
return !i915_active_fence_isset(&tl->last_request);
}
+static bool engine_active(const struct intel_engine_cs *engine)
+{
+ return !list_empty(&engine->kernel_context->timeline->requests);
+}
+
static bool flush_submission(struct intel_gt *gt)
{
struct intel_engine_cs *engine;
@@ -37,8 +42,13 @@ static bool flush_submission(struct intel_gt *gt)
for_each_engine(engine, gt, id) {
intel_engine_flush_submission(engine);
- active |= flush_work(&engine->retire_work);
- active |= flush_work(&engine->wakeref.work);
+
+ /* Flush the background retirement and idle barriers */
+ flush_work(&engine->retire_work);
+ flush_delayed_work(&engine->wakeref.work);
+
+ /* Is the idle barrier still outstanding? */
+ active |= engine_active(engine);
}
return active;
@@ -162,7 +172,7 @@ long intel_gt_retire_requests_timeout(struct intel_gt *gt, long timeout)
}
}
- if (!retire_requests(tl) || flush_submission(gt))
+ if (!retire_requests(tl))
active_count++;
mutex_unlock(&tl->mutex);
@@ -173,7 +183,6 @@ out_active: spin_lock(&timelines->lock);
if (atomic_dec_and_test(&tl->active_count))
list_del(&tl->link);
-
/* Defer the final release to after the spinlock */
if (refcount_dec_and_test(&tl->kref.refcount)) {
GEM_BUG_ON(atomic_read(&tl->active_count));
@@ -185,6 +194,9 @@ out_active: spin_lock(&timelines->lock);
list_for_each_entry_safe(tl, tn, &free, link)
__intel_timeline_free(&tl->kref);
+ if (flush_submission(gt)) /* Wait, there's more! */
+ active_count++;
+
return active_count ? timeout : 0;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 96890dd12b5f..0cc1d6b185dc 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -17,6 +17,7 @@
#include "i915_vma.h"
#include "intel_engine_types.h"
+#include "intel_gt_buffer_pool_types.h"
#include "intel_llc_types.h"
#include "intel_reset_types.h"
#include "intel_rc6_types.h"
@@ -61,6 +62,7 @@ struct intel_gt {
struct list_head closed_vma;
spinlock_t closed_lock; /* guards the list of closed_vma */
+ ktime_t last_init_time;
struct intel_reset reset;
/**
@@ -72,14 +74,12 @@ struct intel_gt {
*/
intel_wakeref_t awake;
+ u32 clock_frequency;
+
struct intel_llc llc;
struct intel_rc6 rc6;
struct intel_rps rps;
- ktime_t last_init_time;
-
- struct i915_vma *scratch;
-
spinlock_t irq_lock;
u32 gt_imr;
u32 pm_ier;
@@ -97,6 +97,18 @@ struct intel_gt {
* Reserved for exclusive use by the kernel.
*/
struct i915_address_space *vm;
+
+ /*
+ * A pool of objects to use as shadow copies of client batch buffers
+ * when the command parser is enabled. Prevents the client from
+ * modifying the batch contents after software parsing.
+ *
+ * Buffers older than 1s are periodically reaped from the pool,
+ * or may be reclaimed by the shrinker before then.
+ */
+ struct intel_gt_buffer_pool buffer_pool;
+
+ struct i915_vma *scratch;
};
enum intel_gt_scratch_field {
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h b/drivers/gpu/drm/i915/gt/intel_gtt.h
index b3116fe8d180..d93ebdf3fa0e 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.h
@@ -26,7 +26,6 @@
#include <drm/drm_mm.h>
#include "gt/intel_reset.h"
-#include "i915_gem_fence_reg.h"
#include "i915_selftest.h"
#include "i915_vma_types.h"
@@ -135,6 +134,8 @@ typedef u64 gen8_pte_t;
#define GEN8_PDE_IPS_64K BIT(11)
#define GEN8_PDE_PS_2M BIT(7)
+struct i915_fence_reg;
+
#define for_each_sgt_daddr(__dp, __iter, __sgt) \
__for_each_sgt_daddr(__dp, __iter, __sgt, I915_GTT_PAGE_SIZE)
@@ -333,7 +334,7 @@ struct i915_ggtt {
u32 pin_bias;
unsigned int num_fences;
- struct i915_fence_reg fence_regs[I915_MAX_NUM_FENCES];
+ struct i915_fence_reg *fence_regs;
struct list_head fence_list;
/**
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 683014e7bc51..87e6c5bdd2dc 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -147,6 +147,7 @@
#include "intel_reset.h"
#include "intel_ring.h"
#include "intel_workarounds.h"
+#include "shmem_utils.h"
#define RING_EXECLIST_QFULL (1 << 0x2)
#define RING_EXECLIST1_VALID (1 << 0x3)
@@ -216,7 +217,7 @@ struct virtual_engine {
/* And finally, which physical engines this virtual engine maps onto. */
unsigned int num_siblings;
- struct intel_engine_cs *siblings[0];
+ struct intel_engine_cs *siblings[];
};
static struct virtual_engine *to_virtual_engine(struct intel_engine_cs *engine)
@@ -238,6 +239,123 @@ __execlists_update_reg_state(const struct intel_context *ce,
const struct intel_engine_cs *engine,
u32 head);
+static int lrc_ring_mi_mode(const struct intel_engine_cs *engine)
+{
+ if (INTEL_GEN(engine->i915) >= 12)
+ return 0x60;
+ else if (INTEL_GEN(engine->i915) >= 9)
+ return 0x54;
+ else if (engine->class == RENDER_CLASS)
+ return 0x58;
+ else
+ return -1;
+}
+
+static int lrc_ring_gpr0(const struct intel_engine_cs *engine)
+{
+ if (INTEL_GEN(engine->i915) >= 12)
+ return 0x74;
+ else if (INTEL_GEN(engine->i915) >= 9)
+ return 0x68;
+ else if (engine->class == RENDER_CLASS)
+ return 0xd8;
+ else
+ return -1;
+}
+
+static int lrc_ring_wa_bb_per_ctx(const struct intel_engine_cs *engine)
+{
+ if (INTEL_GEN(engine->i915) >= 12)
+ return 0x12;
+ else if (INTEL_GEN(engine->i915) >= 9 || engine->class == RENDER_CLASS)
+ return 0x18;
+ else
+ return -1;
+}
+
+static int lrc_ring_indirect_ptr(const struct intel_engine_cs *engine)
+{
+ int x;
+
+ x = lrc_ring_wa_bb_per_ctx(engine);
+ if (x < 0)
+ return x;
+
+ return x + 2;
+}
+
+static int lrc_ring_indirect_offset(const struct intel_engine_cs *engine)
+{
+ int x;
+
+ x = lrc_ring_indirect_ptr(engine);
+ if (x < 0)
+ return x;
+
+ return x + 2;
+}
+
+static int lrc_ring_cmd_buf_cctl(const struct intel_engine_cs *engine)
+{
+ if (engine->class != RENDER_CLASS)
+ return -1;
+
+ if (INTEL_GEN(engine->i915) >= 12)
+ return 0xb6;
+ else if (INTEL_GEN(engine->i915) >= 11)
+ return 0xaa;
+ else
+ return -1;
+}
+
+static u32
+lrc_ring_indirect_offset_default(const struct intel_engine_cs *engine)
+{
+ switch (INTEL_GEN(engine->i915)) {
+ default:
+ MISSING_CASE(INTEL_GEN(engine->i915));
+ fallthrough;
+ case 12:
+ return GEN12_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ case 11:
+ return GEN11_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ case 10:
+ return GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ case 9:
+ return GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ case 8:
+ return GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
+ }
+}
+
+static void
+lrc_ring_setup_indirect_ctx(u32 *regs,
+ const struct intel_engine_cs *engine,
+ u32 ctx_bb_ggtt_addr,
+ u32 size)
+{
+ GEM_BUG_ON(!size);
+ GEM_BUG_ON(!IS_ALIGNED(size, CACHELINE_BYTES));
+ GEM_BUG_ON(lrc_ring_indirect_ptr(engine) == -1);
+ regs[lrc_ring_indirect_ptr(engine) + 1] =
+ ctx_bb_ggtt_addr | (size / CACHELINE_BYTES);
+
+ GEM_BUG_ON(lrc_ring_indirect_offset(engine) == -1);
+ regs[lrc_ring_indirect_offset(engine) + 1] =
+ lrc_ring_indirect_offset_default(engine) << 6;
+}
+
+static u32 intel_context_get_runtime(const struct intel_context *ce)
+{
+ /*
+ * We can use either ppHWSP[16] which is recorded before the context
+ * switch (and so excludes the cost of context switches) or use the
+ * value from the context image itself, which is saved/restored earlier
+ * and so includes the cost of the save.
+ */
+ return READ_ONCE(ce->lrc_reg_state[CTX_TIMESTAMP]);
+}
+
static void mark_eio(struct i915_request *rq)
{
if (i915_request_completed(rq))
@@ -311,18 +429,7 @@ static int effective_prio(const struct i915_request *rq)
if (i915_request_has_nopreempt(rq))
prio = I915_PRIORITY_UNPREEMPTABLE;
- /*
- * On unwinding the active request, we give it a priority bump
- * if it has completed waiting on any semaphore. If we know that
- * the request has already started, we can prevent an unwanted
- * preempt-to-idle cycle by taking that into account now.
- */
- if (__i915_request_has_started(rq))
- prio |= I915_PRIORITY_NOSEMAPHORE;
-
- /* Restrict mere WAIT boosts from triggering preemption */
- BUILD_BUG_ON(__NO_PREEMPTION & ~I915_PRIORITY_MASK); /* only internal */
- return prio | __NO_PREEMPTION;
+ return prio;
}
static int queue_prio(const struct intel_engine_execlists *execlists)
@@ -456,10 +563,10 @@ assert_priority_queue(const struct i915_request *prev,
* engine info, SW context ID and SW counter need to form a unique number
* (Context ID) per lrc.
*/
-static u64
+static u32
lrc_descriptor(struct intel_context *ce, struct intel_engine_cs *engine)
{
- u64 desc;
+ u32 desc;
desc = INTEL_LEGACY_32B_CONTEXT;
if (i915_vm_is_4lvl(ce->vm))
@@ -470,21 +577,7 @@ lrc_descriptor(struct intel_context *ce, struct intel_engine_cs *engine)
if (IS_GEN(engine->i915, 8))
desc |= GEN8_CTX_L3LLC_COHERENT;
- desc |= i915_ggtt_offset(ce->state); /* bits 12-31 */
- /*
- * The following 32bits are copied into the OA reports (dword 2).
- * Consider updating oa_get_render_ctx_id in i915_perf.c when changing
- * anything below.
- */
- if (INTEL_GEN(engine->i915) >= 11) {
- desc |= (u64)engine->instance << GEN11_ENGINE_INSTANCE_SHIFT;
- /* bits 48-53 */
-
- desc |= (u64)engine->class << GEN11_ENGINE_CLASS_SHIFT;
- /* bits 61-63 */
- }
-
- return desc;
+ return i915_ggtt_offset(ce->state) | desc;
}
static inline unsigned int dword_in_page(void *addr)
@@ -503,7 +596,7 @@ static void set_offsets(u32 *regs,
#define REG16(x) \
(((x) >> 9) | BIT(7) | BUILD_BUG_ON_ZERO(x >= 0x10000)), \
(((x) >> 2) & 0x7f)
-#define END(x) 0, (x)
+#define END(total_state_size) 0, (total_state_size)
{
const u32 base = engine->mmio_base;
@@ -526,7 +619,7 @@ static void set_offsets(u32 *regs,
if (flags & POSTED)
*regs |= MI_LRI_FORCE_POSTED;
if (INTEL_GEN(engine->i915) >= 11)
- *regs |= MI_LRI_CS_MMIO;
+ *regs |= MI_LRI_LRM_CS_MMIO;
regs++;
GEM_BUG_ON(!count);
@@ -911,8 +1004,63 @@ static const u8 gen12_rcs_offsets[] = {
NOP(6),
LRI(1, 0),
REG(0x0c8),
+ NOP(3 + 9 + 1),
+
+ LRI(51, POSTED),
+ REG16(0x588),
+ REG16(0x588),
+ REG16(0x588),
+ REG16(0x588),
+ REG16(0x588),
+ REG16(0x588),
+ REG(0x028),
+ REG(0x09c),
+ REG(0x0c0),
+ REG(0x178),
+ REG(0x17c),
+ REG16(0x358),
+ REG(0x170),
+ REG(0x150),
+ REG(0x154),
+ REG(0x158),
+ REG16(0x41c),
+ REG16(0x600),
+ REG16(0x604),
+ REG16(0x608),
+ REG16(0x60c),
+ REG16(0x610),
+ REG16(0x614),
+ REG16(0x618),
+ REG16(0x61c),
+ REG16(0x620),
+ REG16(0x624),
+ REG16(0x628),
+ REG16(0x62c),
+ REG16(0x630),
+ REG16(0x634),
+ REG16(0x638),
+ REG16(0x63c),
+ REG16(0x640),
+ REG16(0x644),
+ REG16(0x648),
+ REG16(0x64c),
+ REG16(0x650),
+ REG16(0x654),
+ REG16(0x658),
+ REG16(0x65c),
+ REG16(0x660),
+ REG16(0x664),
+ REG16(0x668),
+ REG16(0x66c),
+ REG16(0x670),
+ REG16(0x674),
+ REG16(0x678),
+ REG16(0x67c),
+ REG(0x068),
+ REG(0x084),
+ NOP(1),
- END(80)
+ END(192)
};
#undef END
@@ -1040,17 +1188,14 @@ static void intel_engine_context_in(struct intel_engine_cs *engine)
{
unsigned long flags;
- if (READ_ONCE(engine->stats.enabled) == 0)
+ if (atomic_add_unless(&engine->stats.active, 1, 0))
return;
write_seqlock_irqsave(&engine->stats.lock, flags);
-
- if (engine->stats.enabled > 0) {
- if (engine->stats.active++ == 0)
- engine->stats.start = ktime_get();
- GEM_BUG_ON(engine->stats.active == 0);
+ if (!atomic_add_unless(&engine->stats.active, 1, 0)) {
+ engine->stats.start = ktime_get();
+ atomic_inc(&engine->stats.active);
}
-
write_sequnlock_irqrestore(&engine->stats.lock, flags);
}
@@ -1058,51 +1203,20 @@ static void intel_engine_context_out(struct intel_engine_cs *engine)
{
unsigned long flags;
- if (READ_ONCE(engine->stats.enabled) == 0)
+ GEM_BUG_ON(!atomic_read(&engine->stats.active));
+
+ if (atomic_add_unless(&engine->stats.active, -1, 1))
return;
write_seqlock_irqsave(&engine->stats.lock, flags);
-
- if (engine->stats.enabled > 0) {
- ktime_t last;
-
- if (engine->stats.active && --engine->stats.active == 0) {
- /*
- * Decrement the active context count and in case GPU
- * is now idle add up to the running total.
- */
- last = ktime_sub(ktime_get(), engine->stats.start);
-
- engine->stats.total = ktime_add(engine->stats.total,
- last);
- } else if (engine->stats.active == 0) {
- /*
- * After turning on engine stats, context out might be
- * the first event in which case we account from the
- * time stats gathering was turned on.
- */
- last = ktime_sub(ktime_get(), engine->stats.enabled_at);
-
- engine->stats.total = ktime_add(engine->stats.total,
- last);
- }
+ if (atomic_dec_and_test(&engine->stats.active)) {
+ engine->stats.total =
+ ktime_add(engine->stats.total,
+ ktime_sub(ktime_get(), engine->stats.start));
}
-
write_sequnlock_irqrestore(&engine->stats.lock, flags);
}
-static int lrc_ring_mi_mode(const struct intel_engine_cs *engine)
-{
- if (INTEL_GEN(engine->i915) >= 12)
- return 0x60;
- else if (INTEL_GEN(engine->i915) >= 9)
- return 0x54;
- else if (engine->class == RENDER_CLASS)
- return 0x58;
- else
- return -1;
-}
-
static void
execlists_check_context(const struct intel_context *ce,
const struct intel_engine_cs *engine)
@@ -1146,14 +1260,12 @@ execlists_check_context(const struct intel_context *ce,
static void restore_default_state(struct intel_context *ce,
struct intel_engine_cs *engine)
{
- u32 *regs = ce->lrc_reg_state;
+ u32 *regs;
- if (engine->pinned_default_state)
- memcpy(regs, /* skip restoring the vanilla PPHWSP */
- engine->pinned_default_state + LRC_STATE_PN * PAGE_SIZE,
- engine->context_size - PAGE_SIZE);
+ regs = memset(ce->lrc_reg_state, 0, engine->context_size - PAGE_SIZE);
+ execlists_init_reg_state(regs, ce, engine, ce->ring, true);
- execlists_init_reg_state(regs, ce, engine, ce->ring, false);
+ ce->runtime.last = intel_context_get_runtime(ce);
}
static void reset_active(struct i915_request *rq,
@@ -1192,18 +1304,7 @@ static void reset_active(struct i915_request *rq,
__execlists_update_reg_state(ce, engine, head);
/* We've switched away, so this should be a no-op, but intent matters */
- ce->lrc_desc |= CTX_DESC_FORCE_RESTORE;
-}
-
-static u32 intel_context_get_runtime(const struct intel_context *ce)
-{
- /*
- * We can use either ppHWSP[16] which is recorded before the context
- * switch (and so excludes the cost of context switches) or use the
- * value from the context image itself, which is saved/restored earlier
- * and so includes the cost of the save.
- */
- return READ_ONCE(ce->lrc_reg_state[CTX_TIMESTAMP]);
+ ce->lrc.desc |= CTX_DESC_FORCE_RESTORE;
}
static void st_update_runtime_underflow(struct intel_context *ce, s32 dt)
@@ -1251,18 +1352,23 @@ __execlists_schedule_in(struct i915_request *rq)
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
execlists_check_context(ce, engine);
- ce->lrc_desc &= ~GENMASK_ULL(47, 37);
if (ce->tag) {
/* Use a fixed tag for OA and friends */
- ce->lrc_desc |= (u64)ce->tag << 32;
+ GEM_BUG_ON(ce->tag <= BITS_PER_LONG);
+ ce->lrc.ccid = ce->tag;
} else {
/* We don't need a strict matching tag, just different values */
- ce->lrc_desc |=
- (u64)(++engine->context_tag % NUM_CONTEXT_TAG) <<
- GEN11_SW_CTX_ID_SHIFT;
- BUILD_BUG_ON(NUM_CONTEXT_TAG > GEN12_MAX_CONTEXT_HW_ID);
+ unsigned int tag = ffs(READ_ONCE(engine->context_tag));
+
+ GEM_BUG_ON(tag == 0 || tag >= BITS_PER_LONG);
+ clear_bit(tag - 1, &engine->context_tag);
+ ce->lrc.ccid = tag << (GEN11_SW_CTX_ID_SHIFT - 32);
+
+ BUILD_BUG_ON(BITS_PER_LONG > GEN12_MAX_CONTEXT_HW_ID);
}
+ ce->lrc.ccid |= engine->execlists.ccid;
+
__intel_gt_pm_get(engine->gt);
execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_IN);
intel_engine_context_in(engine);
@@ -1302,7 +1408,8 @@ static void kick_siblings(struct i915_request *rq, struct intel_context *ce)
static inline void
__execlists_schedule_out(struct i915_request *rq,
- struct intel_engine_cs * const engine)
+ struct intel_engine_cs * const engine,
+ unsigned int ccid)
{
struct intel_context * const ce = rq->context;
@@ -1320,6 +1427,14 @@ __execlists_schedule_out(struct i915_request *rq,
i915_request_completed(rq))
intel_engine_add_retire(engine, ce->timeline);
+ ccid >>= GEN11_SW_CTX_ID_SHIFT - 32;
+ ccid &= GEN12_MAX_CONTEXT_HW_ID;
+ if (ccid < BITS_PER_LONG) {
+ GEM_BUG_ON(ccid == 0);
+ GEM_BUG_ON(test_bit(ccid - 1, &engine->context_tag));
+ set_bit(ccid - 1, &engine->context_tag);
+ }
+
intel_context_update_runtime(ce);
intel_engine_context_out(engine);
execlists_context_status_change(rq, INTEL_CONTEXT_SCHEDULE_OUT);
@@ -1345,15 +1460,17 @@ execlists_schedule_out(struct i915_request *rq)
{
struct intel_context * const ce = rq->context;
struct intel_engine_cs *cur, *old;
+ u32 ccid;
trace_i915_request_out(rq);
+ ccid = rq->context->lrc.ccid;
old = READ_ONCE(ce->inflight);
do
cur = ptr_unmask_bits(old, 2) ? ptr_dec(old) : NULL;
while (!try_cmpxchg(&ce->inflight, &old, cur));
if (!cur)
- __execlists_schedule_out(rq, old);
+ __execlists_schedule_out(rq, old, ccid);
i915_request_put(rq);
}
@@ -1361,7 +1478,7 @@ execlists_schedule_out(struct i915_request *rq)
static u64 execlists_update_context(struct i915_request *rq)
{
struct intel_context *ce = rq->context;
- u64 desc = ce->lrc_desc;
+ u64 desc = ce->lrc.desc;
u32 tail, prev;
/*
@@ -1400,7 +1517,7 @@ static u64 execlists_update_context(struct i915_request *rq)
*/
wmb();
- ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE;
+ ce->lrc.desc &= ~CTX_DESC_FORCE_RESTORE;
return desc;
}
@@ -1415,6 +1532,24 @@ static inline void write_desc(struct intel_engine_execlists *execlists, u64 desc
}
}
+static __maybe_unused char *
+dump_port(char *buf, int buflen, const char *prefix, struct i915_request *rq)
+{
+ if (!rq)
+ return "";
+
+ snprintf(buf, buflen, "%sccid:%x %llx:%lld%s prio %d",
+ prefix,
+ rq->context->lrc.ccid,
+ rq->fence.context, rq->fence.seqno,
+ i915_request_completed(rq) ? "!" :
+ i915_request_started(rq) ? "*" :
+ "",
+ rq_prio(rq));
+
+ return buf;
+}
+
static __maybe_unused void
trace_ports(const struct intel_engine_execlists *execlists,
const char *msg,
@@ -1422,18 +1557,14 @@ trace_ports(const struct intel_engine_execlists *execlists,
{
const struct intel_engine_cs *engine =
container_of(execlists, typeof(*engine), execlists);
+ char __maybe_unused p0[40], p1[40];
if (!ports[0])
return;
- ENGINE_TRACE(engine, "%s { %llx:%lld%s, %llx:%lld }\n", msg,
- ports[0]->fence.context,
- ports[0]->fence.seqno,
- i915_request_completed(ports[0]) ? "!" :
- i915_request_started(ports[0]) ? "*" :
- "",
- ports[1] ? ports[1]->fence.context : 0,
- ports[1] ? ports[1]->fence.seqno : 0);
+ ENGINE_TRACE(engine, "%s { %s%s }\n", msg,
+ dump_port(p0, sizeof(p0), "", ports[0]),
+ dump_port(p1, sizeof(p1), ", ", ports[1]));
}
static inline bool
@@ -1446,9 +1577,12 @@ static __maybe_unused bool
assert_pending_valid(const struct intel_engine_execlists *execlists,
const char *msg)
{
+ struct intel_engine_cs *engine =
+ container_of(execlists, typeof(*engine), execlists);
struct i915_request * const *port, *rq;
struct intel_context *ce = NULL;
bool sentinel = false;
+ u32 ccid = -1;
trace_ports(execlists, msg, execlists->pending);
@@ -1457,13 +1591,14 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
return true;
if (!execlists->pending[0]) {
- GEM_TRACE_ERR("Nothing pending for promotion!\n");
+ GEM_TRACE_ERR("%s: Nothing pending for promotion!\n",
+ engine->name);
return false;
}
if (execlists->pending[execlists_num_ports(execlists)]) {
- GEM_TRACE_ERR("Excess pending[%d] for promotion!\n",
- execlists_num_ports(execlists));
+ GEM_TRACE_ERR("%s: Excess pending[%d] for promotion!\n",
+ engine->name, execlists_num_ports(execlists));
return false;
}
@@ -1475,20 +1610,31 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
GEM_BUG_ON(!i915_request_is_active(rq));
if (ce == rq->context) {
- GEM_TRACE_ERR("Dup context:%llx in pending[%zd]\n",
+ GEM_TRACE_ERR("%s: Dup context:%llx in pending[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
return false;
}
ce = rq->context;
+ if (ccid == ce->lrc.ccid) {
+ GEM_TRACE_ERR("%s: Dup ccid:%x context:%llx in pending[%zd]\n",
+ engine->name,
+ ccid, ce->timeline->fence_context,
+ port - execlists->pending);
+ return false;
+ }
+ ccid = ce->lrc.ccid;
+
/*
* Sentinels are supposed to be lonely so they flush the
* current exection off the HW. Check that they are the
* only request in the pending submission.
*/
if (sentinel) {
- GEM_TRACE_ERR("context:%llx after sentinel in pending[%zd]\n",
+ GEM_TRACE_ERR("%s: context:%llx after sentinel in pending[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
return false;
@@ -1496,7 +1642,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
sentinel = i915_request_has_sentinel(rq);
if (sentinel && port != execlists->pending) {
- GEM_TRACE_ERR("sentinel context:%llx not in prime position[%zd]\n",
+ GEM_TRACE_ERR("%s: sentinel context:%llx not in prime position[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
return false;
@@ -1511,7 +1658,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
if (i915_active_is_idle(&ce->active) &&
!intel_context_is_barrier(ce)) {
- GEM_TRACE_ERR("Inactive context:%llx in pending[%zd]\n",
+ GEM_TRACE_ERR("%s: Inactive context:%llx in pending[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
ok = false;
@@ -1519,7 +1667,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
}
if (!i915_vma_is_pinned(ce->state)) {
- GEM_TRACE_ERR("Unpinned context:%llx in pending[%zd]\n",
+ GEM_TRACE_ERR("%s: Unpinned context:%llx in pending[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
ok = false;
@@ -1527,7 +1676,8 @@ assert_pending_valid(const struct intel_engine_execlists *execlists,
}
if (!i915_vma_is_pinned(ce->ring->vma)) {
- GEM_TRACE_ERR("Unpinned ring:%llx in pending[%zd]\n",
+ GEM_TRACE_ERR("%s: Unpinned ring:%llx in pending[%zd]\n",
+ engine->name,
ce->timeline->fence_context,
port - execlists->pending);
ok = false;
@@ -1662,30 +1812,16 @@ static bool virtual_matches(const struct virtual_engine *ve,
return true;
}
-static void virtual_xfer_breadcrumbs(struct virtual_engine *ve,
- struct i915_request *rq)
+static void virtual_xfer_breadcrumbs(struct virtual_engine *ve)
{
- struct intel_engine_cs *old = ve->siblings[0];
-
- /* All unattached (rq->engine == old) must already be completed */
-
- spin_lock(&old->breadcrumbs.irq_lock);
- if (!list_empty(&ve->context.signal_link)) {
- list_del_init(&ve->context.signal_link);
-
- /*
- * We cannot acquire the new engine->breadcrumbs.irq_lock
- * (as we are holding a breadcrumbs.irq_lock already),
- * so attach this request to the signaler on submission.
- * The queued irq_work will occur when we finally drop
- * the engine->active.lock after dequeue.
- */
- set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT, &rq->fence.flags);
-
- /* Also transfer the pending irq_work for the old breadcrumb. */
- intel_engine_signal_breadcrumbs(rq->engine);
- }
- spin_unlock(&old->breadcrumbs.irq_lock);
+ /*
+ * All the outstanding signals on ve->siblings[0] must have
+ * been completed, just pending the interrupt handler. As those
+ * signals still refer to the old sibling (via rq->engine), we must
+ * transfer those to the old irq_worker to keep our locking
+ * consistent.
+ */
+ intel_engine_transfer_stale_breadcrumbs(ve->siblings[0], &ve->context);
}
#define for_each_waiter(p__, rq__) \
@@ -1719,12 +1855,16 @@ static void defer_request(struct i915_request *rq, struct list_head * const pl)
struct i915_request *w =
container_of(p->waiter, typeof(*w), sched);
+ if (p->flags & I915_DEPENDENCY_WEAK)
+ continue;
+
/* Leave semaphores spinning on the other engines */
if (w->engine != rq->engine)
continue;
/* No waiter should start before its signaler */
- GEM_BUG_ON(i915_request_started(w) &&
+ GEM_BUG_ON(i915_request_has_initial_breadcrumb(w) &&
+ i915_request_started(w) &&
!i915_request_completed(rq));
GEM_BUG_ON(i915_request_is_active(w));
@@ -1754,7 +1894,8 @@ static void defer_active(struct intel_engine_cs *engine)
}
static bool
-need_timeslice(struct intel_engine_cs *engine, const struct i915_request *rq)
+need_timeslice(const struct intel_engine_cs *engine,
+ const struct i915_request *rq)
{
int hint;
@@ -1768,6 +1909,32 @@ need_timeslice(struct intel_engine_cs *engine, const struct i915_request *rq)
return hint >= effective_prio(rq);
}
+static bool
+timeslice_yield(const struct intel_engine_execlists *el,
+ const struct i915_request *rq)
+{
+ /*
+ * Once bitten, forever smitten!
+ *
+ * If the active context ever busy-waited on a semaphore,
+ * it will be treated as a hog until the end of its timeslice (i.e.
+ * until it is scheduled out and replaced by a new submission,
+ * possibly even its own lite-restore). The HW only sends an interrupt
+ * on the first miss, and we do know if that semaphore has been
+ * signaled, or even if it is now stuck on another semaphore. Play
+ * safe, yield if it might be stuck -- it will be given a fresh
+ * timeslice in the near future.
+ */
+ return rq->context->lrc.ccid == READ_ONCE(el->yield);
+}
+
+static bool
+timeslice_expired(const struct intel_engine_execlists *el,
+ const struct i915_request *rq)
+{
+ return timer_expired(&el->timer) || timeslice_yield(el, rq);
+}
+
static int
switch_prio(struct intel_engine_cs *engine, const struct i915_request *rq)
{
@@ -1783,8 +1950,7 @@ timeslice(const struct intel_engine_cs *engine)
return READ_ONCE(engine->props.timeslice_duration_ms);
}
-static unsigned long
-active_timeslice(const struct intel_engine_cs *engine)
+static unsigned long active_timeslice(const struct intel_engine_cs *engine)
{
const struct intel_engine_execlists *execlists = &engine->execlists;
const struct i915_request *rq = *execlists->active;
@@ -1800,16 +1966,25 @@ active_timeslice(const struct intel_engine_cs *engine)
static void set_timeslice(struct intel_engine_cs *engine)
{
+ unsigned long duration;
+
if (!intel_engine_has_timeslices(engine))
return;
- set_timer_ms(&engine->execlists.timer, active_timeslice(engine));
+ duration = active_timeslice(engine);
+ ENGINE_TRACE(engine, "bump timeslicing, interval:%lu", duration);
+
+ set_timer_ms(&engine->execlists.timer, duration);
}
static void start_timeslice(struct intel_engine_cs *engine)
{
struct intel_engine_execlists *execlists = &engine->execlists;
- int prio = queue_prio(execlists);
+ const int prio = queue_prio(execlists);
+ unsigned long duration;
+
+ if (!intel_engine_has_timeslices(engine))
+ return;
WRITE_ONCE(execlists->switch_priority_hint, prio);
if (prio == INT_MIN)
@@ -1818,7 +1993,12 @@ static void start_timeslice(struct intel_engine_cs *engine)
if (timer_pending(&execlists->timer))
return;
- set_timer_ms(&execlists->timer, timeslice(engine));
+ duration = timeslice(engine);
+ ENGINE_TRACE(engine,
+ "start timeslicing, prio:%d, interval:%lu",
+ prio, duration);
+
+ set_timer_ms(&execlists->timer, duration);
}
static void record_preemption(struct intel_engine_execlists *execlists)
@@ -1915,11 +2095,26 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
* of trouble.
*/
active = READ_ONCE(execlists->active);
- while ((last = *active) && i915_request_completed(last))
- active++;
- if (last) {
+ /*
+ * In theory we can skip over completed contexts that have not
+ * yet been processed by events (as those events are in flight):
+ *
+ * while ((last = *active) && i915_request_completed(last))
+ * active++;
+ *
+ * However, the GPU cannot handle this as it will ultimately
+ * find itself trying to jump back into a context it has just
+ * completed and barf.
+ */
+
+ if ((last = *active)) {
if (need_preempt(engine, last, rb)) {
+ if (i915_request_completed(last)) {
+ tasklet_hi_schedule(&execlists->tasklet);
+ return;
+ }
+
ENGINE_TRACE(engine,
"preempting last=%llx:%lld, prio=%d, hint=%d\n",
last->fence.context,
@@ -1946,13 +2141,19 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
last = NULL;
} else if (need_timeslice(engine, last) &&
- timer_expired(&engine->execlists.timer)) {
+ timeslice_expired(execlists, last)) {
+ if (i915_request_completed(last)) {
+ tasklet_hi_schedule(&execlists->tasklet);
+ return;
+ }
+
ENGINE_TRACE(engine,
- "expired last=%llx:%lld, prio=%d, hint=%d\n",
+ "expired last=%llx:%lld, prio=%d, hint=%d, yield?=%s\n",
last->fence.context,
last->fence.seqno,
last->sched.attr.priority,
- execlists->queue_priority_hint);
+ execlists->queue_priority_hint,
+ yesno(timeslice_yield(execlists, last)));
ring_set_paused(engine, 1);
defer_active(engine);
@@ -2055,7 +2256,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
engine);
if (!list_empty(&ve->context.signals))
- virtual_xfer_breadcrumbs(ve, rq);
+ virtual_xfer_breadcrumbs(ve);
/*
* Move the bound engine to the top of the list
@@ -2213,8 +2414,9 @@ done:
}
clear_ports(port + 1, last_port - port);
- execlists_submit_ports(engine);
+ WRITE_ONCE(execlists->yield, -1);
set_preempt_timeout(engine, *active);
+ execlists_submit_ports(engine);
} else {
skip_submit:
ring_set_paused(engine, 0);
@@ -2384,8 +2586,6 @@ static void process_csb(struct intel_engine_cs *engine)
if (promote) {
struct i915_request * const *old = execlists->active;
- GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
-
ring_set_paused(engine, 0);
/* Point active to the new ELSP; prevent overwriting */
@@ -2398,6 +2598,7 @@ static void process_csb(struct intel_engine_cs *engine)
execlists_schedule_out(*old++);
/* switch pending to inflight */
+ GEM_BUG_ON(!assert_pending_valid(execlists, "promote"));
memcpy(execlists->inflight,
execlists->pending,
execlists_num_ports(execlists) *
@@ -2416,17 +2617,21 @@ static void process_csb(struct intel_engine_cs *engine)
* We rely on the hardware being strongly
* ordered, that the breadcrumb write is
* coherent (visible from the CPU) before the
- * user interrupt and CSB is processed.
+ * user interrupt is processed. One might assume
+ * that the breadcrumb write being before the
+ * user interrupt and the CS event for the context
+ * switch would therefore be before the CS event
+ * itself...
*/
if (GEM_SHOW_DEBUG() &&
- !i915_request_completed(*execlists->active) &&
- !reset_in_progress(execlists)) {
- struct i915_request *rq __maybe_unused =
- *execlists->active;
+ !i915_request_completed(*execlists->active)) {
+ struct i915_request *rq = *execlists->active;
const u32 *regs __maybe_unused =
rq->context->lrc_reg_state;
ENGINE_TRACE(engine,
+ "context completed before request!\n");
+ ENGINE_TRACE(engine,
"ring:{start:0x%08x, head:%04x, tail:%04x, ctl:%08x, mode:%08x}\n",
ENGINE_READ(engine, RING_START),
ENGINE_READ(engine, RING_HEAD) & HEAD_ADDR,
@@ -2445,8 +2650,6 @@ static void process_csb(struct intel_engine_cs *engine)
regs[CTX_RING_START],
regs[CTX_RING_HEAD],
regs[CTX_RING_TAIL]);
-
- GEM_BUG_ON("context completed before request");
}
execlists_schedule_out(*execlists->active++);
@@ -2736,6 +2939,45 @@ err_cap:
return NULL;
}
+static struct i915_request *
+active_context(struct intel_engine_cs *engine, u32 ccid)
+{
+ const struct intel_engine_execlists * const el = &engine->execlists;
+ struct i915_request * const *port, *rq;
+
+ /*
+ * Use the most recent result from process_csb(), but just in case
+ * we trigger an error (via interrupt) before the first CS event has
+ * been written, peek at the next submission.
+ */
+
+ for (port = el->active; (rq = *port); port++) {
+ if (rq->context->lrc.ccid == ccid) {
+ ENGINE_TRACE(engine,
+ "ccid found at active:%zd\n",
+ port - el->active);
+ return rq;
+ }
+ }
+
+ for (port = el->pending; (rq = *port); port++) {
+ if (rq->context->lrc.ccid == ccid) {
+ ENGINE_TRACE(engine,
+ "ccid found at pending:%zd\n",
+ port - el->pending);
+ return rq;
+ }
+ }
+
+ ENGINE_TRACE(engine, "ccid:%x not found\n", ccid);
+ return NULL;
+}
+
+static u32 active_ccid(struct intel_engine_cs *engine)
+{
+ return ENGINE_READ_FW(engine, RING_EXECLIST_STATUS_HI);
+}
+
static bool execlists_capture(struct intel_engine_cs *engine)
{
struct execlists_capture *cap;
@@ -2753,7 +2995,7 @@ static bool execlists_capture(struct intel_engine_cs *engine)
return true;
spin_lock_irq(&engine->active.lock);
- cap->rq = execlists_active(&engine->execlists);
+ cap->rq = active_context(engine, active_ccid(engine));
if (cap->rq) {
cap->rq = active_request(cap->rq->context->timeline, cap->rq);
cap->rq = i915_request_get_rcu(cap->rq);
@@ -2901,10 +3143,14 @@ static void __submit_queue_imm(struct intel_engine_cs *engine)
if (reset_in_progress(execlists))
return; /* defer until we restart the engine following reset */
- if (execlists->tasklet.func == execlists_submission_tasklet)
- __execlists_submission_tasklet(engine);
- else
- tasklet_hi_schedule(&execlists->tasklet);
+ /* Hopefully we clear execlists->pending[] to let us through */
+ if (READ_ONCE(execlists->pending[0]) &&
+ tasklet_trylock(&execlists->tasklet)) {
+ process_csb(engine);
+ tasklet_unlock(&execlists->tasklet);
+ }
+
+ __execlists_submission_tasklet(engine);
}
static void submit_queue(struct intel_engine_cs *engine,
@@ -2990,19 +3236,139 @@ check_redzone(const void *vaddr, const struct intel_engine_cs *engine)
vaddr += engine->context_size;
if (memchr_inv(vaddr, CONTEXT_REDZONE, I915_GTT_PAGE_SIZE))
- dev_err_once(engine->i915->drm.dev,
+ drm_err_once(&engine->i915->drm,
"%s context redzone overwritten!\n",
engine->name);
}
static void execlists_context_unpin(struct intel_context *ce)
{
- check_redzone((void *)ce->lrc_reg_state - LRC_STATE_PN * PAGE_SIZE,
+ check_redzone((void *)ce->lrc_reg_state - LRC_STATE_OFFSET,
ce->engine);
i915_gem_object_unpin_map(ce->state->obj);
}
+static u32 *
+gen12_emit_timestamp_wa(const struct intel_context *ce, u32 *cs)
+{
+ *cs++ = MI_LOAD_REGISTER_MEM_GEN8 |
+ MI_SRM_LRM_GLOBAL_GTT |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_ggtt_offset(ce->state) + LRC_STATE_OFFSET +
+ CTX_TIMESTAMP * sizeof(u32);
+ *cs++ = 0;
+
+ *cs++ = MI_LOAD_REGISTER_REG |
+ MI_LRR_SOURCE_CS_MMIO |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_mmio_reg_offset(RING_CTX_TIMESTAMP(0));
+
+ *cs++ = MI_LOAD_REGISTER_REG |
+ MI_LRR_SOURCE_CS_MMIO |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_mmio_reg_offset(RING_CTX_TIMESTAMP(0));
+
+ return cs;
+}
+
+static u32 *
+gen12_emit_restore_scratch(const struct intel_context *ce, u32 *cs)
+{
+ GEM_BUG_ON(lrc_ring_gpr0(ce->engine) == -1);
+
+ *cs++ = MI_LOAD_REGISTER_MEM_GEN8 |
+ MI_SRM_LRM_GLOBAL_GTT |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_ggtt_offset(ce->state) + LRC_STATE_OFFSET +
+ (lrc_ring_gpr0(ce->engine) + 1) * sizeof(u32);
+ *cs++ = 0;
+
+ return cs;
+}
+
+static u32 *
+gen12_emit_cmd_buf_wa(const struct intel_context *ce, u32 *cs)
+{
+ GEM_BUG_ON(lrc_ring_cmd_buf_cctl(ce->engine) == -1);
+
+ *cs++ = MI_LOAD_REGISTER_MEM_GEN8 |
+ MI_SRM_LRM_GLOBAL_GTT |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_ggtt_offset(ce->state) + LRC_STATE_OFFSET +
+ (lrc_ring_cmd_buf_cctl(ce->engine) + 1) * sizeof(u32);
+ *cs++ = 0;
+
+ *cs++ = MI_LOAD_REGISTER_REG |
+ MI_LRR_SOURCE_CS_MMIO |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_CS_GPR(0, 0));
+ *cs++ = i915_mmio_reg_offset(RING_CMD_BUF_CCTL(0));
+
+ return cs;
+}
+
+static u32 *
+gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
+{
+ cs = gen12_emit_timestamp_wa(ce, cs);
+ cs = gen12_emit_cmd_buf_wa(ce, cs);
+ cs = gen12_emit_restore_scratch(ce, cs);
+
+ return cs;
+}
+
+static u32 *
+gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs)
+{
+ cs = gen12_emit_timestamp_wa(ce, cs);
+ cs = gen12_emit_restore_scratch(ce, cs);
+
+ return cs;
+}
+
+static inline u32 context_wa_bb_offset(const struct intel_context *ce)
+{
+ return PAGE_SIZE * ce->wa_bb_page;
+}
+
+static u32 *context_indirect_bb(const struct intel_context *ce)
+{
+ void *ptr;
+
+ GEM_BUG_ON(!ce->wa_bb_page);
+
+ ptr = ce->lrc_reg_state;
+ ptr -= LRC_STATE_OFFSET; /* back to start of context image */
+ ptr += context_wa_bb_offset(ce);
+
+ return ptr;
+}
+
+static void
+setup_indirect_ctx_bb(const struct intel_context *ce,
+ const struct intel_engine_cs *engine,
+ u32 *(*emit)(const struct intel_context *, u32 *))
+{
+ u32 * const start = context_indirect_bb(ce);
+ u32 *cs;
+
+ cs = emit(ce, start);
+ GEM_BUG_ON(cs - start > I915_GTT_PAGE_SIZE / sizeof(*cs));
+ while ((unsigned long)cs % CACHELINE_BYTES)
+ *cs++ = MI_NOOP;
+
+ lrc_ring_setup_indirect_ctx(ce->lrc_reg_state, engine,
+ i915_ggtt_offset(ce->state) +
+ context_wa_bb_offset(ce),
+ (cs - start) * sizeof(*cs));
+}
+
static void
__execlists_update_reg_state(const struct intel_context *ce,
const struct intel_engine_cs *engine,
@@ -3026,6 +3392,18 @@ __execlists_update_reg_state(const struct intel_context *ce,
i915_oa_init_reg_state(ce, engine);
}
+
+ if (ce->wa_bb_page) {
+ u32 *(*fn)(const struct intel_context *ce, u32 *cs);
+
+ fn = gen12_emit_indirect_ctx_xcs;
+ if (ce->engine->class == RENDER_CLASS)
+ fn = gen12_emit_indirect_ctx_rcs;
+
+ /* Mutually exclusive wrt to global indirect bb */
+ GEM_BUG_ON(engine->wa_ctx.indirect_ctx.size);
+ setup_indirect_ctx_bb(ce, engine, fn);
+ }
}
static int
@@ -3043,8 +3421,8 @@ __execlists_context_pin(struct intel_context *ce,
if (IS_ERR(vaddr))
return PTR_ERR(vaddr);
- ce->lrc_desc = lrc_descriptor(ce, engine) | CTX_DESC_FORCE_RESTORE;
- ce->lrc_reg_state = vaddr + LRC_STATE_PN * PAGE_SIZE;
+ ce->lrc.lrca = lrc_descriptor(ce, engine) | CTX_DESC_FORCE_RESTORE;
+ ce->lrc_reg_state = vaddr + LRC_STATE_OFFSET;
__execlists_update_reg_state(ce, engine, ce->ring->tail);
return 0;
@@ -3072,7 +3450,7 @@ static void execlists_context_reset(struct intel_context *ce)
ce, ce->engine, ce->ring, true);
__execlists_update_reg_state(ce, ce->engine, ce->ring->tail);
- ce->lrc_desc |= CTX_DESC_FORCE_RESTORE;
+ ce->lrc.desc |= CTX_DESC_FORCE_RESTORE;
}
static const struct intel_context_ops execlists_context_ops = {
@@ -3092,6 +3470,7 @@ static int gen8_emit_init_breadcrumb(struct i915_request *rq)
{
u32 *cs;
+ GEM_BUG_ON(i915_request_has_initial_breadcrumb(rq));
if (!i915_request_timeline(rq)->has_initial_breadcrumb)
return 0;
@@ -3118,6 +3497,56 @@ static int gen8_emit_init_breadcrumb(struct i915_request *rq)
/* Record the updated position of the request's payload */
rq->infix = intel_ring_offset(rq, cs);
+ __set_bit(I915_FENCE_FLAG_INITIAL_BREADCRUMB, &rq->fence.flags);
+
+ return 0;
+}
+
+static int emit_pdps(struct i915_request *rq)
+{
+ const struct intel_engine_cs * const engine = rq->engine;
+ struct i915_ppgtt * const ppgtt = i915_vm_to_ppgtt(rq->context->vm);
+ int err, i;
+ u32 *cs;
+
+ GEM_BUG_ON(intel_vgpu_active(rq->i915));
+
+ /*
+ * Beware ye of the dragons, this sequence is magic!
+ *
+ * Small changes to this sequence can cause anything from
+ * GPU hangs to forcewake errors and machine lockups!
+ */
+
+ /* Flush any residual operations from the context load */
+ err = engine->emit_flush(rq, EMIT_FLUSH);
+ if (err)
+ return err;
+
+ /* Magic required to prevent forcewake errors! */
+ err = engine->emit_flush(rq, EMIT_INVALIDATE);
+ if (err)
+ return err;
+
+ cs = intel_ring_begin(rq, 4 * GEN8_3LVL_PDPES + 2);
+ if (IS_ERR(cs))
+ return PTR_ERR(cs);
+
+ /* Ensure the LRI have landed before we invalidate & continue */
+ *cs++ = MI_LOAD_REGISTER_IMM(2 * GEN8_3LVL_PDPES) | MI_LRI_FORCE_POSTED;
+ for (i = GEN8_3LVL_PDPES; i--; ) {
+ const dma_addr_t pd_daddr = i915_page_dir_dma_addr(ppgtt, i);
+ u32 base = engine->mmio_base;
+
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_UDW(base, i));
+ *cs++ = upper_32_bits(pd_daddr);
+ *cs++ = i915_mmio_reg_offset(GEN8_RING_PDP_LDW(base, i));
+ *cs++ = lower_32_bits(pd_daddr);
+ }
+ *cs++ = MI_NOOP;
+
+ intel_ring_advance(rq, cs);
+
return 0;
}
@@ -3142,6 +3571,12 @@ static int execlists_request_alloc(struct i915_request *request)
* to cancel/unwind this request now.
*/
+ if (!i915_vm_is_4lvl(request->context->vm)) {
+ ret = emit_pdps(request);
+ if (ret)
+ return ret;
+ }
+
/* Unconditionally invalidate GPU caches and TLBs. */
ret = request->engine->emit_flush(request, EMIT_INVALIDATE);
if (ret)
@@ -3442,7 +3877,8 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine)
ret = lrc_setup_wa_ctx(engine);
if (ret) {
- DRM_DEBUG_DRIVER("Failed to setup context WA page: %d\n", ret);
+ drm_dbg(&engine->i915->drm,
+ "Failed to setup context WA page: %d\n", ret);
return ret;
}
@@ -3475,6 +3911,72 @@ static int intel_init_workaround_bb(struct intel_engine_cs *engine)
return ret;
}
+static void reset_csb_pointers(struct intel_engine_cs *engine)
+{
+ struct intel_engine_execlists * const execlists = &engine->execlists;
+ const unsigned int reset_value = execlists->csb_size - 1;
+
+ ring_set_paused(engine, 0);
+
+ /*
+ * Sometimes Icelake forgets to reset its pointers on a GPU reset.
+ * Bludgeon them with a mmio update to be sure.
+ */
+ ENGINE_WRITE(engine, RING_CONTEXT_STATUS_PTR,
+ 0xffff << 16 | reset_value << 8 | reset_value);
+ ENGINE_POSTING_READ(engine, RING_CONTEXT_STATUS_PTR);
+
+ /*
+ * After a reset, the HW starts writing into CSB entry [0]. We
+ * therefore have to set our HEAD pointer back one entry so that
+ * the *first* entry we check is entry 0. To complicate this further,
+ * as we don't wait for the first interrupt after reset, we have to
+ * fake the HW write to point back to the last entry so that our
+ * inline comparison of our cached head position against the last HW
+ * write works even before the first interrupt.
+ */
+ execlists->csb_head = reset_value;
+ WRITE_ONCE(*execlists->csb_write, reset_value);
+ wmb(); /* Make sure this is visible to HW (paranoia?) */
+
+ invalidate_csb_entries(&execlists->csb_status[0],
+ &execlists->csb_status[reset_value]);
+
+ /* Once more for luck and our trusty paranoia */
+ ENGINE_WRITE(engine, RING_CONTEXT_STATUS_PTR,
+ 0xffff << 16 | reset_value << 8 | reset_value);
+ ENGINE_POSTING_READ(engine, RING_CONTEXT_STATUS_PTR);
+
+ GEM_BUG_ON(READ_ONCE(*execlists->csb_write) != reset_value);
+}
+
+static void execlists_sanitize(struct intel_engine_cs *engine)
+{
+ /*
+ * Poison residual state on resume, in case the suspend didn't!
+ *
+ * We have to assume that across suspend/resume (or other loss
+ * of control) that the contents of our pinned buffers has been
+ * lost, replaced by garbage. Since this doesn't always happen,
+ * let's poison such state so that we more quickly spot when
+ * we falsely assume it has been preserved.
+ */
+ if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
+ memset(engine->status_page.addr, POISON_INUSE, PAGE_SIZE);
+
+ reset_csb_pointers(engine);
+
+ /*
+ * The kernel_context HWSP is stored in the status_page. As above,
+ * that may be lost on resume/initialisation, and so we need to
+ * reset the value in the HWSP.
+ */
+ intel_timeline_reset_seqno(engine->kernel_context->timeline);
+
+ /* And scrub the dirty cachelines for the HWSP */
+ clflush_cache_range(engine->status_page.addr, PAGE_SIZE);
+}
+
static void enable_error_interrupt(struct intel_engine_cs *engine)
{
u32 status;
@@ -3485,7 +3987,7 @@ static void enable_error_interrupt(struct intel_engine_cs *engine)
status = ENGINE_READ(engine, RING_ESR);
if (unlikely(status)) {
- dev_err(engine->i915->drm.dev,
+ drm_err(&engine->i915->drm,
"engine '%s' resumed still in error: %08x\n",
engine->name, status);
__intel_gt_reset(engine->gt, engine->mask);
@@ -3541,7 +4043,7 @@ static void enable_execlists(struct intel_engine_cs *engine)
enable_error_interrupt(engine);
- engine->context_tag = 0;
+ engine->context_tag = GENMASK(BITS_PER_LONG - 2, 0);
}
static bool unexpected_starting_state(struct intel_engine_cs *engine)
@@ -3549,7 +4051,8 @@ static bool unexpected_starting_state(struct intel_engine_cs *engine)
bool unexpected = false;
if (ENGINE_READ_FW(engine, RING_MI_MODE) & STOP_RING) {
- DRM_DEBUG_DRIVER("STOP_RING still set in RING_MI_MODE\n");
+ drm_dbg(&engine->i915->drm,
+ "STOP_RING still set in RING_MI_MODE\n");
unexpected = true;
}
@@ -3609,39 +4112,10 @@ static void execlists_reset_prepare(struct intel_engine_cs *engine)
*
* FIXME: Wa for more modern gens needs to be validated
*/
+ ring_set_paused(engine, 1);
intel_engine_stop_cs(engine);
-}
-
-static void reset_csb_pointers(struct intel_engine_cs *engine)
-{
- struct intel_engine_execlists * const execlists = &engine->execlists;
- const unsigned int reset_value = execlists->csb_size - 1;
- ring_set_paused(engine, 0);
-
- /*
- * After a reset, the HW starts writing into CSB entry [0]. We
- * therefore have to set our HEAD pointer back one entry so that
- * the *first* entry we check is entry 0. To complicate this further,
- * as we don't wait for the first interrupt after reset, we have to
- * fake the HW write to point back to the last entry so that our
- * inline comparison of our cached head position against the last HW
- * write works even before the first interrupt.
- */
- execlists->csb_head = reset_value;
- WRITE_ONCE(*execlists->csb_write, reset_value);
- wmb(); /* Make sure this is visible to HW (paranoia?) */
-
- /*
- * Sometimes Icelake forgets to reset its pointers on a GPU reset.
- * Bludgeon them with a mmio update to be sure.
- */
- ENGINE_WRITE(engine, RING_CONTEXT_STATUS_PTR,
- reset_value << 8 | reset_value);
- ENGINE_POSTING_READ(engine, RING_CONTEXT_STATUS_PTR);
-
- invalidate_csb_entries(&execlists->csb_status[0],
- &execlists->csb_status[reset_value]);
+ engine->execlists.reset_ccid = active_ccid(engine);
}
static void __reset_stop_ring(u32 *regs, const struct intel_engine_cs *engine)
@@ -3684,7 +4158,7 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled)
* its request, it was still running at the time of the
* reset and will have been clobbered.
*/
- rq = execlists_active(execlists);
+ rq = active_context(engine, engine->execlists.reset_ccid);
if (!rq)
goto unwind;
@@ -3734,8 +4208,6 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled)
* image back to the expected values to skip over the guilty request.
*/
__i915_request_reset(rq, stalled);
- if (!stalled)
- goto out_replay;
/*
* We want a simple context + ring to execute the breadcrumb update.
@@ -3745,15 +4217,12 @@ static void __execlists_reset(struct intel_engine_cs *engine, bool stalled)
* future request will be after userspace has had the opportunity
* to recreate its own state.
*/
- GEM_BUG_ON(!intel_context_is_pinned(ce));
- restore_default_state(ce, engine);
-
out_replay:
ENGINE_TRACE(engine, "replay {head:%04x, tail:%04x}\n",
head, ce->ring->tail);
__execlists_reset_reg_state(ce, engine);
__execlists_update_reg_state(ce, engine, head);
- ce->lrc_desc |= CTX_DESC_FORCE_RESTORE; /* paranoid: GPU was reset! */
+ ce->lrc.desc |= CTX_DESC_FORCE_RESTORE; /* paranoid: GPU was reset! */
unwind:
/* Push back any incomplete requests for replay after the reset. */
@@ -4113,6 +4582,42 @@ static u32 preparser_disable(bool state)
return MI_ARB_CHECK | 1 << 8 | state;
}
+static i915_reg_t aux_inv_reg(const struct intel_engine_cs *engine)
+{
+ static const i915_reg_t vd[] = {
+ GEN12_VD0_AUX_NV,
+ GEN12_VD1_AUX_NV,
+ GEN12_VD2_AUX_NV,
+ GEN12_VD3_AUX_NV,
+ };
+
+ static const i915_reg_t ve[] = {
+ GEN12_VE0_AUX_NV,
+ GEN12_VE1_AUX_NV,
+ };
+
+ if (engine->class == VIDEO_DECODE_CLASS)
+ return vd[engine->instance];
+
+ if (engine->class == VIDEO_ENHANCEMENT_CLASS)
+ return ve[engine->instance];
+
+ GEM_BUG_ON("unknown aux_inv_reg\n");
+
+ return INVALID_MMIO_REG;
+}
+
+static u32 *
+gen12_emit_aux_table_inv(const i915_reg_t inv_reg, u32 *cs)
+{
+ *cs++ = MI_LOAD_REGISTER_IMM(1);
+ *cs++ = i915_mmio_reg_offset(inv_reg);
+ *cs++ = AUX_INV;
+ *cs++ = MI_NOOP;
+
+ return cs;
+}
+
static int gen12_emit_flush_render(struct i915_request *request,
u32 mode)
{
@@ -4121,13 +4626,13 @@ static int gen12_emit_flush_render(struct i915_request *request,
u32 *cs;
flags |= PIPE_CONTROL_TILE_CACHE_FLUSH;
+ flags |= PIPE_CONTROL_FLUSH_L3;
flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH;
flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH;
/* Wa_1409600907:tgl */
flags |= PIPE_CONTROL_DEPTH_STALL;
flags |= PIPE_CONTROL_DC_FLUSH_ENABLE;
flags |= PIPE_CONTROL_FLUSH_ENABLE;
- flags |= PIPE_CONTROL_HDC_PIPELINE_FLUSH;
flags |= PIPE_CONTROL_STORE_DATA_INDEX;
flags |= PIPE_CONTROL_QW_WRITE;
@@ -4138,7 +4643,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
if (IS_ERR(cs))
return PTR_ERR(cs);
- cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
+ cs = gen12_emit_pipe_control(cs,
+ PIPE_CONTROL0_HDC_PIPELINE_FLUSH,
+ flags, LRC_PPHWSP_SCRATCH_ADDR);
intel_ring_advance(request, cs);
}
@@ -4153,14 +4660,13 @@ static int gen12_emit_flush_render(struct i915_request *request,
flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE;
- flags |= PIPE_CONTROL_L3_RO_CACHE_INVALIDATE;
flags |= PIPE_CONTROL_STORE_DATA_INDEX;
flags |= PIPE_CONTROL_QW_WRITE;
flags |= PIPE_CONTROL_CS_STALL;
- cs = intel_ring_begin(request, 8);
+ cs = intel_ring_begin(request, 8 + 4);
if (IS_ERR(cs))
return PTR_ERR(cs);
@@ -4173,6 +4679,9 @@ static int gen12_emit_flush_render(struct i915_request *request,
cs = gen8_emit_pipe_control(cs, flags, LRC_PPHWSP_SCRATCH_ADDR);
+ /* hsdes: 1809175790 */
+ cs = gen12_emit_aux_table_inv(GEN12_GFX_CCS_AUX_NV, cs);
+
*cs++ = preparser_disable(false);
intel_ring_advance(request, cs);
}
@@ -4180,6 +4689,56 @@ static int gen12_emit_flush_render(struct i915_request *request,
return 0;
}
+static int gen12_emit_flush(struct i915_request *request, u32 mode)
+{
+ intel_engine_mask_t aux_inv = 0;
+ u32 cmd, *cs;
+
+ if (mode & EMIT_INVALIDATE)
+ aux_inv = request->engine->mask & ~BIT(BCS0);
+
+ cs = intel_ring_begin(request,
+ 4 + (aux_inv ? 2 * hweight8(aux_inv) + 2 : 0));
+ if (IS_ERR(cs))
+ return PTR_ERR(cs);
+
+ cmd = MI_FLUSH_DW + 1;
+
+ /* We always require a command barrier so that subsequent
+ * commands, such as breadcrumb interrupts, are strictly ordered
+ * wrt the contents of the write cache being flushed to memory
+ * (and thus being coherent from the CPU).
+ */
+ cmd |= MI_FLUSH_DW_STORE_INDEX | MI_FLUSH_DW_OP_STOREDW;
+
+ if (mode & EMIT_INVALIDATE) {
+ cmd |= MI_INVALIDATE_TLB;
+ if (request->engine->class == VIDEO_DECODE_CLASS)
+ cmd |= MI_INVALIDATE_BSD;
+ }
+
+ *cs++ = cmd;
+ *cs++ = LRC_PPHWSP_SCRATCH_ADDR;
+ *cs++ = 0; /* upper addr */
+ *cs++ = 0; /* value */
+
+ if (aux_inv) { /* hsdes: 1809175790 */
+ struct intel_engine_cs *engine;
+ unsigned int tmp;
+
+ *cs++ = MI_LOAD_REGISTER_IMM(hweight8(aux_inv));
+ for_each_engine_masked(engine, request->engine->gt,
+ aux_inv, tmp) {
+ *cs++ = i915_mmio_reg_offset(aux_inv_reg(engine));
+ *cs++ = AUX_INV;
+ }
+ *cs++ = MI_NOOP;
+ }
+ intel_ring_advance(request, cs);
+
+ return 0;
+}
+
/*
* Reserve space for 2 NOOPs at the end of each request to be
* used as a workaround for not being allowed to do lite
@@ -4209,8 +4768,7 @@ static u32 *emit_preempt_busywait(struct i915_request *request, u32 *cs)
}
static __always_inline u32*
-gen8_emit_fini_breadcrumb_footer(struct i915_request *request,
- u32 *cs)
+gen8_emit_fini_breadcrumb_tail(struct i915_request *request, u32 *cs)
{
*cs++ = MI_USER_INTERRUPT;
@@ -4224,14 +4782,16 @@ gen8_emit_fini_breadcrumb_footer(struct i915_request *request,
return gen8_emit_wa_tail(request, cs);
}
-static u32 *gen8_emit_fini_breadcrumb(struct i915_request *request, u32 *cs)
+static u32 *emit_xcs_breadcrumb(struct i915_request *request, u32 *cs)
{
- cs = gen8_emit_ggtt_write(cs,
- request->fence.seqno,
- i915_request_active_timeline(request)->hwsp_offset,
- 0);
+ u32 addr = i915_request_active_timeline(request)->hwsp_offset;
+
+ return gen8_emit_ggtt_write(cs, request->fence.seqno, addr, 0);
+}
- return gen8_emit_fini_breadcrumb_footer(request, cs);
+static u32 *gen8_emit_fini_breadcrumb(struct i915_request *rq, u32 *cs)
+{
+ return gen8_emit_fini_breadcrumb_tail(rq, emit_xcs_breadcrumb(rq, cs));
}
static u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
@@ -4249,7 +4809,7 @@ static u32 *gen8_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
PIPE_CONTROL_FLUSH_ENABLE |
PIPE_CONTROL_CS_STALL);
- return gen8_emit_fini_breadcrumb_footer(request, cs);
+ return gen8_emit_fini_breadcrumb_tail(request, cs);
}
static u32 *
@@ -4265,7 +4825,7 @@ gen11_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
PIPE_CONTROL_DC_FLUSH_ENABLE |
PIPE_CONTROL_FLUSH_ENABLE);
- return gen8_emit_fini_breadcrumb_footer(request, cs);
+ return gen8_emit_fini_breadcrumb_tail(request, cs);
}
/*
@@ -4303,7 +4863,7 @@ static u32 *gen12_emit_preempt_busywait(struct i915_request *request, u32 *cs)
}
static __always_inline u32*
-gen12_emit_fini_breadcrumb_footer(struct i915_request *request, u32 *cs)
+gen12_emit_fini_breadcrumb_tail(struct i915_request *request, u32 *cs)
{
*cs++ = MI_USER_INTERRUPT;
@@ -4317,33 +4877,29 @@ gen12_emit_fini_breadcrumb_footer(struct i915_request *request, u32 *cs)
return gen8_emit_wa_tail(request, cs);
}
-static u32 *gen12_emit_fini_breadcrumb(struct i915_request *request, u32 *cs)
+static u32 *gen12_emit_fini_breadcrumb(struct i915_request *rq, u32 *cs)
{
- cs = gen8_emit_ggtt_write(cs,
- request->fence.seqno,
- i915_request_active_timeline(request)->hwsp_offset,
- 0);
-
- return gen12_emit_fini_breadcrumb_footer(request, cs);
+ return gen12_emit_fini_breadcrumb_tail(rq, emit_xcs_breadcrumb(rq, cs));
}
static u32 *
gen12_emit_fini_breadcrumb_rcs(struct i915_request *request, u32 *cs)
{
- cs = gen8_emit_ggtt_write_rcs(cs,
- request->fence.seqno,
- i915_request_active_timeline(request)->hwsp_offset,
- PIPE_CONTROL_CS_STALL |
- PIPE_CONTROL_TILE_CACHE_FLUSH |
- PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
- PIPE_CONTROL_DEPTH_CACHE_FLUSH |
- /* Wa_1409600907:tgl */
- PIPE_CONTROL_DEPTH_STALL |
- PIPE_CONTROL_DC_FLUSH_ENABLE |
- PIPE_CONTROL_FLUSH_ENABLE |
- PIPE_CONTROL_HDC_PIPELINE_FLUSH);
+ cs = gen12_emit_ggtt_write_rcs(cs,
+ request->fence.seqno,
+ i915_request_active_timeline(request)->hwsp_offset,
+ PIPE_CONTROL0_HDC_PIPELINE_FLUSH,
+ PIPE_CONTROL_CS_STALL |
+ PIPE_CONTROL_TILE_CACHE_FLUSH |
+ PIPE_CONTROL_FLUSH_L3 |
+ PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH |
+ PIPE_CONTROL_DEPTH_CACHE_FLUSH |
+ /* Wa_1409600907:tgl */
+ PIPE_CONTROL_DEPTH_STALL |
+ PIPE_CONTROL_DC_FLUSH_ENABLE |
+ PIPE_CONTROL_FLUSH_ENABLE);
- return gen12_emit_fini_breadcrumb_footer(request, cs);
+ return gen12_emit_fini_breadcrumb_tail(request, cs);
}
static void execlists_park(struct intel_engine_cs *engine)
@@ -4369,8 +4925,11 @@ void intel_execlists_set_default_submission(struct intel_engine_cs *engine)
engine->flags |= I915_ENGINE_SUPPORTS_STATS;
if (!intel_vgpu_active(engine->i915)) {
engine->flags |= I915_ENGINE_HAS_SEMAPHORES;
- if (HAS_LOGICAL_RING_PREEMPTION(engine->i915))
+ if (HAS_LOGICAL_RING_PREEMPTION(engine->i915)) {
engine->flags |= I915_ENGINE_HAS_PREEMPTION;
+ if (IS_ACTIVE(CONFIG_DRM_I915_TIMESLICE_DURATION))
+ engine->flags |= I915_ENGINE_HAS_TIMESLICES;
+ }
}
if (INTEL_GEN(engine->i915) >= 12)
@@ -4392,6 +4951,8 @@ static void execlists_shutdown(struct intel_engine_cs *engine)
static void execlists_release(struct intel_engine_cs *engine)
{
+ engine->sanitize = NULL; /* no longer in control, nothing to sanitize */
+
execlists_shutdown(engine);
intel_engine_cleanup_common(engine);
@@ -4411,9 +4972,10 @@ logical_ring_default_vfuncs(struct intel_engine_cs *engine)
engine->emit_flush = gen8_emit_flush;
engine->emit_init_breadcrumb = gen8_emit_init_breadcrumb;
engine->emit_fini_breadcrumb = gen8_emit_fini_breadcrumb;
- if (INTEL_GEN(engine->i915) >= 12)
+ if (INTEL_GEN(engine->i915) >= 12) {
engine->emit_fini_breadcrumb = gen12_emit_fini_breadcrumb;
-
+ engine->emit_flush = gen12_emit_flush;
+ }
engine->set_default_submission = intel_execlists_set_default_submission;
if (INTEL_GEN(engine->i915) < 11) {
@@ -4449,6 +5011,7 @@ logical_ring_default_irqs(struct intel_engine_cs *engine)
engine->irq_enable_mask = GT_RENDER_USER_INTERRUPT << shift;
engine->irq_keep_mask = GT_CONTEXT_SWITCH_INTERRUPT << shift;
engine->irq_keep_mask |= GT_CS_MASTER_ERROR_INTERRUPT << shift;
+ engine->irq_keep_mask |= GT_WAIT_SEMAPHORE_INTERRUPT << shift;
}
static void rcs_submission_override(struct intel_engine_cs *engine)
@@ -4493,7 +5056,7 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine)
* because we only expect rare glitches but nothing
* critical to prevent us from using GPU
*/
- DRM_ERROR("WA batch buffer initialization failed\n");
+ drm_err(&i915->drm, "WA batch buffer initialization failed\n");
if (HAS_LOGICAL_RING_ELSQ(i915)) {
execlists->submit_reg = uncore->regs +
@@ -4516,48 +5079,18 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine)
else
execlists->csb_size = GEN11_CSB_ENTRIES;
- reset_csb_pointers(engine);
+ if (INTEL_GEN(engine->i915) >= 11) {
+ execlists->ccid |= engine->instance << (GEN11_ENGINE_INSTANCE_SHIFT - 32);
+ execlists->ccid |= engine->class << (GEN11_ENGINE_CLASS_SHIFT - 32);
+ }
/* Finally, take ownership and responsibility for cleanup! */
+ engine->sanitize = execlists_sanitize;
engine->release = execlists_release;
return 0;
}
-static u32 intel_lr_indirect_ctx_offset(const struct intel_engine_cs *engine)
-{
- u32 indirect_ctx_offset;
-
- switch (INTEL_GEN(engine->i915)) {
- default:
- MISSING_CASE(INTEL_GEN(engine->i915));
- /* fall through */
- case 12:
- indirect_ctx_offset =
- GEN12_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
- break;
- case 11:
- indirect_ctx_offset =
- GEN11_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
- break;
- case 10:
- indirect_ctx_offset =
- GEN10_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
- break;
- case 9:
- indirect_ctx_offset =
- GEN9_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
- break;
- case 8:
- indirect_ctx_offset =
- GEN8_CTX_RCS_INDIRECT_CTX_OFFSET_DEFAULT;
- break;
- }
-
- return indirect_ctx_offset;
-}
-
-
static void init_common_reg_state(u32 * const regs,
const struct intel_engine_cs *engine,
const struct intel_ring *ring,
@@ -4575,30 +5108,27 @@ static void init_common_reg_state(u32 * const regs,
regs[CTX_CONTEXT_CONTROL] = ctl;
regs[CTX_RING_CTL] = RING_CTL_SIZE(ring->size) | RING_VALID;
+ regs[CTX_TIMESTAMP] = 0;
}
static void init_wa_bb_reg_state(u32 * const regs,
- const struct intel_engine_cs *engine,
- u32 pos_bb_per_ctx)
+ const struct intel_engine_cs *engine)
{
const struct i915_ctx_workarounds * const wa_ctx = &engine->wa_ctx;
if (wa_ctx->per_ctx.size) {
const u32 ggtt_offset = i915_ggtt_offset(wa_ctx->vma);
- regs[pos_bb_per_ctx] =
+ GEM_BUG_ON(lrc_ring_wa_bb_per_ctx(engine) == -1);
+ regs[lrc_ring_wa_bb_per_ctx(engine) + 1] =
(ggtt_offset + wa_ctx->per_ctx.offset) | 0x01;
}
if (wa_ctx->indirect_ctx.size) {
- const u32 ggtt_offset = i915_ggtt_offset(wa_ctx->vma);
-
- regs[pos_bb_per_ctx + 2] =
- (ggtt_offset + wa_ctx->indirect_ctx.offset) |
- (wa_ctx->indirect_ctx.size / CACHELINE_BYTES);
-
- regs[pos_bb_per_ctx + 4] =
- intel_lr_indirect_ctx_offset(engine) << 6;
+ lrc_ring_setup_indirect_ctx(regs, engine,
+ i915_ggtt_offset(wa_ctx->vma) +
+ wa_ctx->indirect_ctx.offset,
+ wa_ctx->indirect_ctx.size);
}
}
@@ -4647,10 +5177,7 @@ static void execlists_init_reg_state(u32 *regs,
init_common_reg_state(regs, engine, ring, inhibit);
init_ppgtt_reg_state(regs, vm_alias(ce->vm));
- init_wa_bb_reg_state(regs, engine,
- INTEL_GEN(engine->i915) >= 12 ?
- GEN12_CTX_BB_PER_CTX_PTR :
- CTX_BB_PER_CTX_PTR);
+ init_wa_bb_reg_state(regs, engine);
__reset_stop_ring(regs, engine);
}
@@ -4663,29 +5190,18 @@ populate_lr_context(struct intel_context *ce,
{
bool inhibit = true;
void *vaddr;
- int ret;
vaddr = i915_gem_object_pin_map(ctx_obj, I915_MAP_WB);
if (IS_ERR(vaddr)) {
- ret = PTR_ERR(vaddr);
- DRM_DEBUG_DRIVER("Could not map object pages! (%d)\n", ret);
- return ret;
+ drm_dbg(&engine->i915->drm, "Could not map object pages!\n");
+ return PTR_ERR(vaddr);
}
set_redzone(vaddr, engine);
if (engine->default_state) {
- void *defaults;
-
- defaults = i915_gem_object_pin_map(engine->default_state,
- I915_MAP_WB);
- if (IS_ERR(defaults)) {
- ret = PTR_ERR(defaults);
- goto err_unpin_ctx;
- }
-
- memcpy(vaddr, defaults, engine->context_size);
- i915_gem_object_unpin_map(engine->default_state);
+ shmem_read(engine->default_state, 0,
+ vaddr, engine->context_size);
__set_bit(CONTEXT_VALID_BIT, &ce->flags);
inhibit = false;
}
@@ -4697,14 +5213,12 @@ populate_lr_context(struct intel_context *ce,
* The second page of the context object contains some registers which
* must be set up prior to the first execution.
*/
- execlists_init_reg_state(vaddr + LRC_STATE_PN * PAGE_SIZE,
+ execlists_init_reg_state(vaddr + LRC_STATE_OFFSET,
ce, engine, ring, inhibit);
- ret = 0;
-err_unpin_ctx:
__i915_gem_object_flush_map(ctx_obj, 0, engine->context_size);
i915_gem_object_unpin_map(ctx_obj);
- return ret;
+ return 0;
}
static int __execlists_context_alloc(struct intel_context *ce,
@@ -4722,6 +5236,11 @@ static int __execlists_context_alloc(struct intel_context *ce,
if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM))
context_size += I915_GTT_PAGE_SIZE; /* for redzone */
+ if (INTEL_GEN(engine->i915) == 12) {
+ ce->wa_bb_page = context_size / PAGE_SIZE;
+ context_size += PAGE_SIZE;
+ }
+
ctx_obj = i915_gem_object_create_shmem(engine->i915, context_size);
if (IS_ERR(ctx_obj))
return PTR_ERR(ctx_obj);
@@ -4761,7 +5280,8 @@ static int __execlists_context_alloc(struct intel_context *ce,
ret = populate_lr_context(ce, ctx_obj, engine, ring);
if (ret) {
- DRM_DEBUG_DRIVER("Failed to populate LRC: %d\n", ret);
+ drm_dbg(&engine->i915->drm,
+ "Failed to populate LRC: %d\n", ret);
goto error_ring_free;
}
@@ -4814,6 +5334,8 @@ static void virtual_context_destroy(struct kref *kref)
__execlists_context_fini(&ve->context);
intel_context_fini(&ve->context);
+ intel_engine_free_request_pool(&ve->base);
+
kfree(ve->bonds);
kfree(ve);
}
@@ -4938,12 +5460,15 @@ static void virtual_submission_tasklet(unsigned long data)
return;
local_irq_disable();
- for (n = 0; READ_ONCE(ve->request) && n < ve->num_siblings; n++) {
- struct intel_engine_cs *sibling = ve->siblings[n];
+ for (n = 0; n < ve->num_siblings; n++) {
+ struct intel_engine_cs *sibling = READ_ONCE(ve->siblings[n]);
struct ve_node * const node = &ve->nodes[sibling->id];
struct rb_node **parent, *rb;
bool first;
+ if (!READ_ONCE(ve->request))
+ break; /* already handled by a sibling's tasklet */
+
if (unlikely(!(mask & sibling->mask))) {
if (!RB_EMPTY_NODE(&node->rb)) {
spin_lock(&sibling->active.lock);
@@ -4994,10 +5519,8 @@ static void virtual_submission_tasklet(unsigned long data)
submit_engine:
GEM_BUG_ON(RB_EMPTY_NODE(&node->rb));
node->prio = prio;
- if (first && prio > sibling->execlists.queue_priority_hint) {
- sibling->execlists.queue_priority_hint = prio;
+ if (first && prio > sibling->execlists.queue_priority_hint)
tasklet_hi_schedule(&sibling->execlists.tasklet);
- }
spin_unlock(&sibling->active.lock);
}
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h
index dfbc214e14f5..91fd8e452d9b 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.h
@@ -90,6 +90,7 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine);
#define LRC_PPHWSP_SZ (1)
/* After the PPHWSP we have the logical state for the context */
#define LRC_STATE_PN (LRC_PPHWSP_PN + LRC_PPHWSP_SZ)
+#define LRC_STATE_OFFSET (LRC_STATE_PN * PAGE_SIZE)
/* Space within PPHWSP reserved to be used as scratch */
#define LRC_PPHWSP_SCRATCH 0x34
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc_reg.h b/drivers/gpu/drm/i915/gt/intel_lrc_reg.h
index d39b72590e40..93cb6c460508 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc_reg.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc_reg.h
@@ -9,14 +9,13 @@
#include <linux/types.h>
-/* GEN8 to GEN11 Reg State Context */
+/* GEN8 to GEN12 Reg State Context */
#define CTX_CONTEXT_CONTROL (0x02 + 1)
#define CTX_RING_HEAD (0x04 + 1)
#define CTX_RING_TAIL (0x06 + 1)
#define CTX_RING_START (0x08 + 1)
#define CTX_RING_CTL (0x0a + 1)
#define CTX_BB_STATE (0x10 + 1)
-#define CTX_BB_PER_CTX_PTR (0x18 + 1)
#define CTX_TIMESTAMP (0x22 + 1)
#define CTX_PDP3_UDW (0x24 + 1)
#define CTX_PDP3_LDW (0x26 + 1)
@@ -30,9 +29,6 @@
#define GEN9_CTX_RING_MI_MODE 0x54
-/* GEN12+ Reg State Context */
-#define GEN12_CTX_BB_PER_CTX_PTR (0x12 + 1)
-
#define ASSIGN_CTX_PDP(ppgtt, reg_state, n) do { \
u32 *reg_state__ = (reg_state); \
const u64 addr__ = i915_page_dir_dma_addr((ppgtt), (n)); \
diff --git a/drivers/gpu/drm/i915/gt/intel_rc6.c b/drivers/gpu/drm/i915/gt/intel_rc6.c
index 3847ee44b181..ab675d35030d 100644
--- a/drivers/gpu/drm/i915/gt/intel_rc6.c
+++ b/drivers/gpu/drm/i915/gt/intel_rc6.c
@@ -113,7 +113,6 @@ static void gen9_rc6_enable(struct intel_rc6 *rc6)
struct intel_uncore *uncore = rc6_to_uncore(rc6);
struct intel_engine_cs *engine;
enum intel_engine_id id;
- u32 rc6_mode;
/* 2b: Program RC6 thresholds.*/
if (INTEL_GEN(rc6_to_i915(rc6)) >= 10) {
@@ -165,16 +164,11 @@ static void gen9_rc6_enable(struct intel_rc6 *rc6)
/* 3a: Enable RC6 */
set(uncore, GEN6_RC6_THRESHOLD, 37500); /* 37.5/125ms per EI */
- /* WaRsUseTimeoutMode:cnl (pre-prod) */
- if (IS_CNL_REVID(rc6_to_i915(rc6), CNL_REVID_A0, CNL_REVID_C0))
- rc6_mode = GEN7_RC_CTL_TO_MODE;
- else
- rc6_mode = GEN6_RC_CTL_EI_MODE(1);
rc6->ctl_enable =
GEN6_RC_CTL_HW_ENABLE |
GEN6_RC_CTL_RC6_ENABLE |
- rc6_mode;
+ GEN6_RC_CTL_EI_MODE(1);
/*
* WaRsDisableCoarsePowerGating:skl,cnl
@@ -246,16 +240,18 @@ static void gen6_rc6_enable(struct intel_rc6 *rc6)
ret = sandybridge_pcode_read(i915, GEN6_PCODE_READ_RC6VIDS,
&rc6vids, NULL);
if (IS_GEN(i915, 6) && ret) {
- DRM_DEBUG_DRIVER("Couldn't check for BIOS workaround\n");
+ drm_dbg(&i915->drm, "Couldn't check for BIOS workaround\n");
} else if (IS_GEN(i915, 6) &&
(GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) {
- DRM_DEBUG_DRIVER("You should update your BIOS. Correcting minimum rc6 voltage (%dmV->%dmV)\n",
- GEN6_DECODE_RC6_VID(rc6vids & 0xff), 450);
+ drm_dbg(&i915->drm,
+ "You should update your BIOS. Correcting minimum rc6 voltage (%dmV->%dmV)\n",
+ GEN6_DECODE_RC6_VID(rc6vids & 0xff), 450);
rc6vids &= 0xffff00;
rc6vids |= GEN6_ENCODE_RC6_VID(450);
ret = sandybridge_pcode_write(i915, GEN6_PCODE_WRITE_RC6VIDS, rc6vids);
if (ret)
- DRM_ERROR("Couldn't fix incorrect rc6 voltage\n");
+ drm_err(&i915->drm,
+ "Couldn't fix incorrect rc6 voltage\n");
}
}
@@ -263,14 +259,15 @@ static void gen6_rc6_enable(struct intel_rc6 *rc6)
static int chv_rc6_init(struct intel_rc6 *rc6)
{
struct intel_uncore *uncore = rc6_to_uncore(rc6);
+ struct drm_i915_private *i915 = rc6_to_i915(rc6);
resource_size_t pctx_paddr, paddr;
resource_size_t pctx_size = 32 * SZ_1K;
u32 pcbr;
pcbr = intel_uncore_read(uncore, VLV_PCBR);
if ((pcbr >> VLV_PCBR_ADDR_SHIFT) == 0) {
- DRM_DEBUG_DRIVER("BIOS didn't set up PCBR, fixing up\n");
- paddr = rc6_to_i915(rc6)->dsm.end + 1 - pctx_size;
+ drm_dbg(&i915->drm, "BIOS didn't set up PCBR, fixing up\n");
+ paddr = i915->dsm.end + 1 - pctx_size;
GEM_BUG_ON(paddr > U32_MAX);
pctx_paddr = (paddr & ~4095);
@@ -304,7 +301,7 @@ static int vlv_rc6_init(struct intel_rc6 *rc6)
goto out;
}
- DRM_DEBUG_DRIVER("BIOS didn't set up PCBR, fixing up\n");
+ drm_dbg(&i915->drm, "BIOS didn't set up PCBR, fixing up\n");
/*
* From the Gunit register HAS:
@@ -316,7 +313,8 @@ static int vlv_rc6_init(struct intel_rc6 *rc6)
*/
pctx = i915_gem_object_create_stolen(i915, pctx_size);
if (IS_ERR(pctx)) {
- DRM_DEBUG("not enough stolen space for PCTX, disabling\n");
+ drm_dbg(&i915->drm,
+ "not enough stolen space for PCTX, disabling\n");
return PTR_ERR(pctx);
}
@@ -398,14 +396,14 @@ static bool bxt_check_bios_rc6_setup(struct intel_rc6 *rc6)
rc_sw_target = intel_uncore_read(uncore, GEN6_RC_STATE);
rc_sw_target &= RC_SW_TARGET_STATE_MASK;
rc_sw_target >>= RC_SW_TARGET_STATE_SHIFT;
- DRM_DEBUG_DRIVER("BIOS enabled RC states: "
+ drm_dbg(&i915->drm, "BIOS enabled RC states: "
"HW_CTRL %s HW_RC6 %s SW_TARGET_STATE %x\n",
onoff(rc_ctl & GEN6_RC_CTL_HW_ENABLE),
onoff(rc_ctl & GEN6_RC_CTL_RC6_ENABLE),
rc_sw_target);
if (!(intel_uncore_read(uncore, RC6_LOCATION) & RC6_CTX_IN_DRAM)) {
- DRM_DEBUG_DRIVER("RC6 Base location not set properly.\n");
+ drm_dbg(&i915->drm, "RC6 Base location not set properly.\n");
enable_rc6 = false;
}
@@ -417,7 +415,7 @@ static bool bxt_check_bios_rc6_setup(struct intel_rc6 *rc6)
intel_uncore_read(uncore, RC6_CTX_BASE) & RC6_CTX_BASE_MASK;
if (!(rc6_ctx_base >= i915->dsm_reserved.start &&
rc6_ctx_base + PAGE_SIZE < i915->dsm_reserved.end)) {
- DRM_DEBUG_DRIVER("RC6 Base address not as expected.\n");
+ drm_dbg(&i915->drm, "RC6 Base address not as expected.\n");
enable_rc6 = false;
}
@@ -425,24 +423,25 @@ static bool bxt_check_bios_rc6_setup(struct intel_rc6 *rc6)
(intel_uncore_read(uncore, PWRCTX_MAXCNT_VCSUNIT0) & IDLE_TIME_MASK) > 1 &&
(intel_uncore_read(uncore, PWRCTX_MAXCNT_BCSUNIT) & IDLE_TIME_MASK) > 1 &&
(intel_uncore_read(uncore, PWRCTX_MAXCNT_VECSUNIT) & IDLE_TIME_MASK) > 1)) {
- DRM_DEBUG_DRIVER("Engine Idle wait time not set properly.\n");
+ drm_dbg(&i915->drm,
+ "Engine Idle wait time not set properly.\n");
enable_rc6 = false;
}
if (!intel_uncore_read(uncore, GEN8_PUSHBUS_CONTROL) ||
!intel_uncore_read(uncore, GEN8_PUSHBUS_ENABLE) ||
!intel_uncore_read(uncore, GEN8_PUSHBUS_SHIFT)) {
- DRM_DEBUG_DRIVER("Pushbus not setup properly.\n");
+ drm_dbg(&i915->drm, "Pushbus not setup properly.\n");
enable_rc6 = false;
}
if (!intel_uncore_read(uncore, GEN6_GFXPAUSE)) {
- DRM_DEBUG_DRIVER("GFX pause not setup properly.\n");
+ drm_dbg(&i915->drm, "GFX pause not setup properly.\n");
enable_rc6 = false;
}
if (!intel_uncore_read(uncore, GEN8_MISC_CTRL0)) {
- DRM_DEBUG_DRIVER("GPM control not setup properly.\n");
+ drm_dbg(&i915->drm, "GPM control not setup properly.\n");
enable_rc6 = false;
}
@@ -463,7 +462,7 @@ static bool rc6_supported(struct intel_rc6 *rc6)
return false;
if (IS_GEN9_LP(i915) && !bxt_check_bios_rc6_setup(rc6)) {
- dev_notice(i915->drm.dev,
+ drm_notice(&i915->drm,
"RC6 and powersaving disabled by BIOS\n");
return false;
}
@@ -495,7 +494,7 @@ static bool pctx_corrupted(struct intel_rc6 *rc6)
if (intel_uncore_read(rc6_to_uncore(rc6), GEN8_RC6_CTX_INFO))
return false;
- dev_notice(i915->drm.dev,
+ drm_notice(&i915->drm,
"RC6 context corruption, disabling runtime power management\n");
return true;
}
diff --git a/drivers/gpu/drm/i915/gt/intel_renderstate.c b/drivers/gpu/drm/i915/gt/intel_renderstate.c
index 5954ecc3207f..f59e7875cc5e 100644
--- a/drivers/gpu/drm/i915/gt/intel_renderstate.c
+++ b/drivers/gpu/drm/i915/gt/intel_renderstate.c
@@ -102,7 +102,7 @@ static int render_state_setup(struct intel_renderstate *so,
}
if (rodata->reloc[reloc_index] != -1) {
- DRM_ERROR("only %d relocs resolved\n", reloc_index);
+ drm_err(&i915->drm, "only %d relocs resolved\n", reloc_index);
goto err;
}
@@ -194,7 +194,7 @@ int intel_renderstate_init(struct intel_renderstate *so,
err = i915_vma_pin(so->vma, 0, 0, PIN_GLOBAL | PIN_HIGH);
if (err)
- goto err_vma;
+ goto err_obj;
err = render_state_setup(so, engine->i915);
if (err)
@@ -204,8 +204,6 @@ int intel_renderstate_init(struct intel_renderstate *so,
err_unpin:
i915_vma_unpin(so->vma);
-err_vma:
- i915_vma_close(so->vma);
err_obj:
i915_gem_object_put(obj);
so->vma = NULL;
@@ -221,6 +219,14 @@ int intel_renderstate_emit(struct intel_renderstate *so,
if (!so->vma)
return 0;
+ i915_vma_lock(so->vma);
+ err = i915_request_await_object(rq, so->vma->obj, false);
+ if (err == 0)
+ err = i915_vma_move_to_active(so->vma, rq, 0);
+ i915_vma_unlock(so->vma);
+ if (err)
+ return err;
+
err = engine->emit_bb_start(rq,
so->batch_offset, so->batch_size,
I915_DISPATCH_SECURE);
@@ -235,13 +241,7 @@ int intel_renderstate_emit(struct intel_renderstate *so,
return err;
}
- i915_vma_lock(so->vma);
- err = i915_request_await_object(rq, so->vma->obj, false);
- if (err == 0)
- err = i915_vma_move_to_active(so->vma, rq, 0);
- i915_vma_unlock(so->vma);
-
- return err;
+ return 0;
}
void intel_renderstate_fini(struct intel_renderstate *so)
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 80db3c9d785e..39070b514e65 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -109,7 +109,7 @@ static bool mark_guilty(struct i915_request *rq)
goto out;
}
- dev_notice(ctx->i915->drm.dev,
+ drm_notice(&ctx->i915->drm,
"%s context reset due to GPU hang\n",
ctx->name);
@@ -755,7 +755,7 @@ static int gt_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask)
for_each_engine(engine, gt, id)
__intel_engine_reset(engine, stalled_mask & engine->mask);
- i915_gem_restore_fences(gt->ggtt);
+ intel_ggtt_restore_fences(gt->ggtt);
return err;
}
@@ -1031,7 +1031,7 @@ void intel_gt_reset(struct intel_gt *gt,
goto unlock;
if (reason)
- dev_notice(gt->i915->drm.dev,
+ drm_notice(&gt->i915->drm,
"Resetting chip for %s\n", reason);
atomic_inc(&gt->i915->gpu_error.reset_count);
@@ -1039,7 +1039,7 @@ void intel_gt_reset(struct intel_gt *gt,
if (!intel_has_gpu_reset(gt)) {
if (i915_modparams.reset)
- dev_err(gt->i915->drm.dev, "GPU reset not supported\n");
+ drm_err(&gt->i915->drm, "GPU reset not supported\n");
else
drm_dbg(&gt->i915->drm, "GPU reset disabled\n");
goto error;
@@ -1049,7 +1049,7 @@ void intel_gt_reset(struct intel_gt *gt,
intel_runtime_pm_disable_interrupts(gt->i915);
if (do_reset(gt, stalled_mask)) {
- dev_err(gt->i915->drm.dev, "Failed to reset chip\n");
+ drm_err(&gt->i915->drm, "Failed to reset chip\n");
goto taint;
}
@@ -1111,7 +1111,7 @@ static inline int intel_gt_reset_engine(struct intel_engine_cs *engine)
/**
* intel_engine_reset - reset GPU engine to recover from a hang
* @engine: engine to reset
- * @msg: reason for GPU reset; or NULL for no dev_notice()
+ * @msg: reason for GPU reset; or NULL for no drm_notice()
*
* Reset a specific GPU engine. Useful if a hang is detected.
* Returns zero on successful reset or otherwise an error code.
@@ -1136,7 +1136,7 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
reset_prepare_engine(engine);
if (msg)
- dev_notice(engine->i915->drm.dev,
+ drm_notice(&engine->i915->drm,
"Resetting %s for %s\n", engine->name, msg);
atomic_inc(&engine->i915->gpu_error.reset_engine_count[engine->uabi_class]);
@@ -1381,7 +1381,7 @@ static void intel_wedge_me(struct work_struct *work)
{
struct intel_wedge_me *w = container_of(work, typeof(*w), work.work);
- dev_err(w->gt->i915->drm.dev,
+ drm_err(&w->gt->i915->drm,
"%s timed out, cancelling all in-flight rendering.\n",
w->name);
intel_gt_set_wedged(w->gt);
diff --git a/drivers/gpu/drm/i915/gt/intel_ring.h b/drivers/gpu/drm/i915/gt/intel_ring.h
index 5bdce24994aa..cc0ebca65167 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring.h
+++ b/drivers/gpu/drm/i915/gt/intel_ring.h
@@ -88,6 +88,8 @@ static inline u32 intel_ring_offset(const struct i915_request *rq, void *addr)
static inline void
assert_ring_tail_valid(const struct intel_ring *ring, unsigned int tail)
{
+ unsigned int head = READ_ONCE(ring->head);
+
GEM_BUG_ON(!intel_ring_offset_valid(ring, tail));
/*
@@ -105,8 +107,7 @@ assert_ring_tail_valid(const struct intel_ring *ring, unsigned int tail)
* into the same cacheline as ring->head.
*/
#define cacheline(a) round_down(a, CACHELINE_BYTES)
- GEM_BUG_ON(cacheline(tail) == cacheline(ring->head) &&
- tail < ring->head);
+ GEM_BUG_ON(cacheline(tail) == cacheline(head) && tail < head);
#undef cacheline
}
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index fdc3f10e12aa..ca7286e58409 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -42,6 +42,7 @@
#include "intel_reset.h"
#include "intel_ring.h"
#include "intel_workarounds.h"
+#include "shmem_utils.h"
/* Rough estimate of the typical request size, performing a flush,
* set-context and then emitting the batch.
@@ -577,8 +578,9 @@ static void flush_cs_tlb(struct intel_engine_cs *engine)
RING_INSTPM(engine->mmio_base),
INSTPM_SYNC_FLUSH, 0,
1000))
- DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n",
- engine->name);
+ drm_err(&dev_priv->drm,
+ "%s: wait for SyncFlush to complete for TLB invalidation timed out\n",
+ engine->name);
}
static void ring_setup_status_page(struct intel_engine_cs *engine)
@@ -601,8 +603,9 @@ static bool stop_ring(struct intel_engine_cs *engine)
MODE_IDLE,
MODE_IDLE,
1000)) {
- DRM_ERROR("%s : timed out trying to stop ring\n",
- engine->name);
+ drm_err(&dev_priv->drm,
+ "%s : timed out trying to stop ring\n",
+ engine->name);
/*
* Sometimes we observe that the idle flag is not
@@ -661,22 +664,23 @@ static int xcs_resume(struct intel_engine_cs *engine)
/* WaClearRingBufHeadRegAtInit:ctg,elk */
if (!stop_ring(engine)) {
/* G45 ring initialization often fails to reset head to zero */
- DRM_DEBUG_DRIVER("%s head not reset to zero "
+ drm_dbg(&dev_priv->drm, "%s head not reset to zero "
+ "ctl %08x head %08x tail %08x start %08x\n",
+ engine->name,
+ ENGINE_READ(engine, RING_CTL),
+ ENGINE_READ(engine, RING_HEAD),
+ ENGINE_READ(engine, RING_TAIL),
+ ENGINE_READ(engine, RING_START));
+
+ if (!stop_ring(engine)) {
+ drm_err(&dev_priv->drm,
+ "failed to set %s head to zero "
"ctl %08x head %08x tail %08x start %08x\n",
engine->name,
ENGINE_READ(engine, RING_CTL),
ENGINE_READ(engine, RING_HEAD),
ENGINE_READ(engine, RING_TAIL),
ENGINE_READ(engine, RING_START));
-
- if (!stop_ring(engine)) {
- DRM_ERROR("failed to set %s head to zero "
- "ctl %08x head %08x tail %08x start %08x\n",
- engine->name,
- ENGINE_READ(engine, RING_CTL),
- ENGINE_READ(engine, RING_HEAD),
- ENGINE_READ(engine, RING_TAIL),
- ENGINE_READ(engine, RING_START));
ret = -EIO;
goto out;
}
@@ -719,7 +723,7 @@ static int xcs_resume(struct intel_engine_cs *engine)
RING_CTL(engine->mmio_base),
RING_VALID, RING_VALID,
50)) {
- DRM_ERROR("%s initialization failed "
+ drm_err(&dev_priv->drm, "%s initialization failed "
"ctl %08x (valid? %d) head %08x [%08x] tail %08x [%08x] start %08x [expected %08x]\n",
engine->name,
ENGINE_READ(engine, RING_CTL),
@@ -1238,7 +1242,7 @@ alloc_context_vma(struct intel_engine_cs *engine)
i915_gem_object_set_cache_coherency(obj, I915_CACHE_L3_LLC);
if (engine->default_state) {
- void *defaults, *vaddr;
+ void *vaddr;
vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
if (IS_ERR(vaddr)) {
@@ -1246,15 +1250,8 @@ alloc_context_vma(struct intel_engine_cs *engine)
goto err_obj;
}
- defaults = i915_gem_object_pin_map(engine->default_state,
- I915_MAP_WB);
- if (IS_ERR(defaults)) {
- err = PTR_ERR(defaults);
- goto err_map;
- }
-
- memcpy(vaddr, defaults, engine->context_size);
- i915_gem_object_unpin_map(engine->default_state);
+ shmem_read(engine->default_state, 0,
+ vaddr, engine->context_size);
i915_gem_object_flush_map(obj);
i915_gem_object_unpin_map(obj);
@@ -1268,8 +1265,6 @@ alloc_context_vma(struct intel_engine_cs *engine)
return vma;
-err_map:
- i915_gem_object_unpin_map(obj);
err_obj:
i915_gem_object_put(obj);
return ERR_PTR(err);
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c
index cfaf141bac4d..2f59fc6df3c2 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.c
+++ b/drivers/gpu/drm/i915/gt/intel_rps.c
@@ -8,12 +8,15 @@
#include "i915_drv.h"
#include "intel_gt.h"
+#include "intel_gt_clock_utils.h"
#include "intel_gt_irq.h"
#include "intel_gt_pm_irq.h"
#include "intel_rps.h"
#include "intel_sideband.h"
#include "../../../platform/x86/intel_ips.h"
+#define BUSY_MAX_EI 20u /* ms */
+
/*
* Lock protecting IPS related data structures
*/
@@ -44,6 +47,100 @@ static inline void set(struct intel_uncore *uncore, i915_reg_t reg, u32 val)
intel_uncore_write_fw(uncore, reg, val);
}
+static void rps_timer(struct timer_list *t)
+{
+ struct intel_rps *rps = from_timer(rps, t, timer);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ s64 max_busy[3] = {};
+ ktime_t dt, last;
+
+ for_each_engine(engine, rps_to_gt(rps), id) {
+ s64 busy;
+ int i;
+
+ dt = intel_engine_get_busy_time(engine);
+ last = engine->stats.rps;
+ engine->stats.rps = dt;
+
+ busy = ktime_to_ns(ktime_sub(dt, last));
+ for (i = 0; i < ARRAY_SIZE(max_busy); i++) {
+ if (busy > max_busy[i])
+ swap(busy, max_busy[i]);
+ }
+ }
+
+ dt = ktime_get();
+ last = rps->pm_timestamp;
+ rps->pm_timestamp = dt;
+
+ if (intel_rps_is_active(rps)) {
+ s64 busy;
+ int i;
+
+ dt = ktime_sub(dt, last);
+
+ /*
+ * Our goal is to evaluate each engine independently, so we run
+ * at the lowest clocks required to sustain the heaviest
+ * workload. However, a task may be split into sequential
+ * dependent operations across a set of engines, such that
+ * the independent contributions do not account for high load,
+ * but overall the task is GPU bound. For example, consider
+ * video decode on vcs followed by colour post-processing
+ * on vecs, followed by general post-processing on rcs.
+ * Since multi-engines being active does imply a single
+ * continuous workload across all engines, we hedge our
+ * bets by only contributing a factor of the distributed
+ * load into our busyness calculation.
+ */
+ busy = max_busy[0];
+ for (i = 1; i < ARRAY_SIZE(max_busy); i++) {
+ if (!max_busy[i])
+ break;
+
+ busy += div_u64(max_busy[i], 1 << i);
+ }
+ GT_TRACE(rps_to_gt(rps),
+ "busy:%lld [%d%%], max:[%lld, %lld, %lld], interval:%d\n",
+ busy, (int)div64_u64(100 * busy, dt),
+ max_busy[0], max_busy[1], max_busy[2],
+ rps->pm_interval);
+
+ if (100 * busy > rps->power.up_threshold * dt &&
+ rps->cur_freq < rps->max_freq_softlimit) {
+ rps->pm_iir |= GEN6_PM_RP_UP_THRESHOLD;
+ rps->pm_interval = 1;
+ schedule_work(&rps->work);
+ } else if (100 * busy < rps->power.down_threshold * dt &&
+ rps->cur_freq > rps->min_freq_softlimit) {
+ rps->pm_iir |= GEN6_PM_RP_DOWN_THRESHOLD;
+ rps->pm_interval = 1;
+ schedule_work(&rps->work);
+ } else {
+ rps->last_adj = 0;
+ }
+
+ mod_timer(&rps->timer,
+ jiffies + msecs_to_jiffies(rps->pm_interval));
+ rps->pm_interval = min(rps->pm_interval * 2, BUSY_MAX_EI);
+ }
+}
+
+static void rps_start_timer(struct intel_rps *rps)
+{
+ rps->pm_timestamp = ktime_sub(ktime_get(), rps->pm_timestamp);
+ rps->pm_interval = 1;
+ mod_timer(&rps->timer, jiffies + 1);
+}
+
+static void rps_stop_timer(struct intel_rps *rps)
+{
+ del_timer_sync(&rps->timer);
+ rps->pm_timestamp = ktime_sub(ktime_get(), rps->pm_timestamp);
+ cancel_work_sync(&rps->work);
+}
+
static u32 rps_pm_mask(struct intel_rps *rps, u8 val)
{
u32 mask = 0;
@@ -57,7 +154,7 @@ static u32 rps_pm_mask(struct intel_rps *rps, u8 val)
if (val < rps->max_freq_softlimit)
mask |= GEN6_PM_RP_UP_EI_EXPIRED | GEN6_PM_RP_UP_THRESHOLD;
- mask &= READ_ONCE(rps->pm_events);
+ mask &= rps->pm_events;
return rps_pm_sanitize_mask(rps, ~mask);
}
@@ -70,24 +167,18 @@ static void rps_reset_ei(struct intel_rps *rps)
static void rps_enable_interrupts(struct intel_rps *rps)
{
struct intel_gt *gt = rps_to_gt(rps);
- u32 events;
- rps_reset_ei(rps);
+ GT_TRACE(gt, "interrupts:on rps->pm_events: %x, rps_pm_mask:%x\n",
+ rps->pm_events, rps_pm_mask(rps, rps->last_freq));
- if (IS_VALLEYVIEW(gt->i915))
- /* WaGsvRC0ResidencyMethod:vlv */
- events = GEN6_PM_RP_UP_EI_EXPIRED;
- else
- events = (GEN6_PM_RP_UP_THRESHOLD |
- GEN6_PM_RP_DOWN_THRESHOLD |
- GEN6_PM_RP_DOWN_TIMEOUT);
+ rps_reset_ei(rps);
- WRITE_ONCE(rps->pm_events, events);
spin_lock_irq(&gt->irq_lock);
gen6_gt_pm_enable_irq(gt, rps->pm_events);
spin_unlock_irq(&gt->irq_lock);
- set(gt->uncore, GEN6_PMINTRMSK, rps_pm_mask(rps, rps->cur_freq));
+ intel_uncore_write(gt->uncore,
+ GEN6_PMINTRMSK, rps_pm_mask(rps, rps->last_freq));
}
static void gen6_rps_reset_interrupts(struct intel_rps *rps)
@@ -119,8 +210,8 @@ static void rps_disable_interrupts(struct intel_rps *rps)
{
struct intel_gt *gt = rps_to_gt(rps);
- WRITE_ONCE(rps->pm_events, 0);
- set(gt->uncore, GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u));
+ intel_uncore_write(gt->uncore,
+ GEN6_PMINTRMSK, rps_pm_sanitize_mask(rps, ~0u));
spin_lock_irq(&gt->irq_lock);
gen6_gt_pm_disable_irq(gt, GEN6_PM_RPS_EVENTS);
@@ -137,6 +228,7 @@ static void rps_disable_interrupts(struct intel_rps *rps)
cancel_work_sync(&rps->work);
rps_reset_interrupts(rps);
+ GT_TRACE(gt, "interrupts:off\n");
}
static const struct cparams {
@@ -183,14 +275,12 @@ static void gen5_rps_init(struct intel_rps *rps)
fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
MEMMODE_FSTART_SHIFT;
- DRM_DEBUG_DRIVER("fmax: %d, fmin: %d, fstart: %d\n",
- fmax, fmin, fstart);
+ drm_dbg(&i915->drm, "fmax: %d, fmin: %d, fstart: %d\n",
+ fmax, fmin, fstart);
rps->min_freq = fmax;
+ rps->efficient_freq = fstart;
rps->max_freq = fmin;
-
- rps->idle_freq = rps->min_freq;
- rps->cur_freq = rps->idle_freq;
}
static unsigned long
@@ -453,7 +543,8 @@ static bool gen5_rps_enable(struct intel_rps *rps)
if (wait_for_atomic((intel_uncore_read(uncore, MEMSWCTL) &
MEMCTL_CMD_STS) == 0, 10))
- DRM_ERROR("stuck trying to change perf mode\n");
+ drm_err(&uncore->i915->drm,
+ "stuck trying to change perf mode\n");
mdelay(1);
gen5_rps_set(rps, rps->cur_freq);
@@ -530,8 +621,8 @@ static u32 rps_limits(struct intel_rps *rps, u8 val)
static void rps_set_power(struct intel_rps *rps, int new_power)
{
- struct intel_uncore *uncore = rps_to_uncore(rps);
- struct drm_i915_private *i915 = rps_to_i915(rps);
+ struct intel_gt *gt = rps_to_gt(rps);
+ struct intel_uncore *uncore = gt->uncore;
u32 threshold_up = 0, threshold_down = 0; /* in % */
u32 ei_up = 0, ei_down = 0;
@@ -540,55 +631,49 @@ static void rps_set_power(struct intel_rps *rps, int new_power)
if (new_power == rps->power.mode)
return;
+ threshold_up = 95;
+ threshold_down = 85;
+
/* Note the units here are not exactly 1us, but 1280ns. */
switch (new_power) {
case LOW_POWER:
- /* Upclock if more than 95% busy over 16ms */
ei_up = 16000;
- threshold_up = 95;
-
- /* Downclock if less than 85% busy over 32ms */
ei_down = 32000;
- threshold_down = 85;
break;
case BETWEEN:
- /* Upclock if more than 90% busy over 13ms */
ei_up = 13000;
- threshold_up = 90;
-
- /* Downclock if less than 75% busy over 32ms */
ei_down = 32000;
- threshold_down = 75;
break;
case HIGH_POWER:
- /* Upclock if more than 85% busy over 10ms */
ei_up = 10000;
- threshold_up = 85;
-
- /* Downclock if less than 60% busy over 32ms */
ei_down = 32000;
- threshold_down = 60;
break;
}
/* When byt can survive without system hang with dynamic
* sw freq adjustments, this restriction can be lifted.
*/
- if (IS_VALLEYVIEW(i915))
+ if (IS_VALLEYVIEW(gt->i915))
goto skip_hw_write;
- set(uncore, GEN6_RP_UP_EI, GT_INTERVAL_FROM_US(i915, ei_up));
+ GT_TRACE(gt,
+ "changing power mode [%d], up %d%% @ %dus, down %d%% @ %dus\n",
+ new_power, threshold_up, ei_up, threshold_down, ei_down);
+
+ set(uncore, GEN6_RP_UP_EI,
+ intel_gt_ns_to_pm_interval(gt, ei_up * 1000));
set(uncore, GEN6_RP_UP_THRESHOLD,
- GT_INTERVAL_FROM_US(i915, ei_up * threshold_up / 100));
+ intel_gt_ns_to_pm_interval(gt, ei_up * threshold_up * 10));
- set(uncore, GEN6_RP_DOWN_EI, GT_INTERVAL_FROM_US(i915, ei_down));
+ set(uncore, GEN6_RP_DOWN_EI,
+ intel_gt_ns_to_pm_interval(gt, ei_down * 1000));
set(uncore, GEN6_RP_DOWN_THRESHOLD,
- GT_INTERVAL_FROM_US(i915, ei_down * threshold_down / 100));
+ intel_gt_ns_to_pm_interval(gt, ei_down * threshold_down * 10));
set(uncore, GEN6_RP_CONTROL,
- (INTEL_GEN(i915) > 9 ? 0 : GEN6_RP_MEDIA_TURBO) |
+ (INTEL_GEN(gt->i915) > 9 ? 0 : GEN6_RP_MEDIA_TURBO) |
GEN6_RP_MEDIA_HW_NORMAL_MODE |
GEN6_RP_MEDIA_IS_GFX |
GEN6_RP_ENABLE |
@@ -643,9 +728,11 @@ static void gen6_rps_set_thresholds(struct intel_rps *rps, u8 val)
void intel_rps_mark_interactive(struct intel_rps *rps, bool interactive)
{
+ GT_TRACE(rps_to_gt(rps), "mark interactive: %s\n", yesno(interactive));
+
mutex_lock(&rps->power.mutex);
if (interactive) {
- if (!rps->power.interactive++ && READ_ONCE(rps->active))
+ if (!rps->power.interactive++ && intel_rps_is_active(rps))
rps_set_power(rps, HIGH_POWER);
} else {
GEM_BUG_ON(!rps->power.interactive);
@@ -670,6 +757,9 @@ static int gen6_rps_set(struct intel_rps *rps, u8 val)
GEN6_AGGRESSIVE_TURBO);
set(uncore, GEN6_RPNSWREQ, swreq);
+ GT_TRACE(rps_to_gt(rps), "set val:%x, freq:%d, swreq:%x\n",
+ val, intel_gpu_freq(rps, val), swreq);
+
return 0;
}
@@ -682,6 +772,9 @@ static int vlv_rps_set(struct intel_rps *rps, u8 val)
err = vlv_punit_write(i915, PUNIT_REG_GPU_FREQ_REQ, val);
vlv_punit_put(i915);
+ GT_TRACE(rps_to_gt(rps), "set val:%x, freq:%d\n",
+ val, intel_gpu_freq(rps, val));
+
return err;
}
@@ -712,29 +805,30 @@ static int rps_set(struct intel_rps *rps, u8 val, bool update)
void intel_rps_unpark(struct intel_rps *rps)
{
- u8 freq;
-
- if (!rps->enabled)
+ if (!intel_rps_is_enabled(rps))
return;
+ GT_TRACE(rps_to_gt(rps), "unpark:%x\n", rps->cur_freq);
+
/*
* Use the user's desired frequency as a guide, but for better
* performance, jump directly to RPe as our starting frequency.
*/
mutex_lock(&rps->lock);
- WRITE_ONCE(rps->active, true);
-
- freq = max(rps->cur_freq, rps->efficient_freq),
- freq = clamp(freq, rps->min_freq_softlimit, rps->max_freq_softlimit);
- intel_rps_set(rps, freq);
-
- rps->last_adj = 0;
+ intel_rps_set_active(rps);
+ intel_rps_set(rps,
+ clamp(rps->cur_freq,
+ rps->min_freq_softlimit,
+ rps->max_freq_softlimit));
mutex_unlock(&rps->lock);
- if (INTEL_GEN(rps_to_i915(rps)) >= 6)
+ rps->pm_iir = 0;
+ if (intel_rps_has_interrupts(rps))
rps_enable_interrupts(rps);
+ if (intel_rps_uses_timer(rps))
+ rps_start_timer(rps);
if (IS_GEN(rps_to_i915(rps), 5))
gen5_rps_update(rps);
@@ -742,15 +836,16 @@ void intel_rps_unpark(struct intel_rps *rps)
void intel_rps_park(struct intel_rps *rps)
{
- struct drm_i915_private *i915 = rps_to_i915(rps);
+ int adj;
- if (!rps->enabled)
+ if (!intel_rps_clear_active(rps))
return;
- if (INTEL_GEN(i915) >= 6)
+ if (intel_rps_uses_timer(rps))
+ rps_stop_timer(rps);
+ if (intel_rps_has_interrupts(rps))
rps_disable_interrupts(rps);
- WRITE_ONCE(rps->active, false);
if (rps->last_freq <= rps->idle_freq)
return;
@@ -781,8 +876,15 @@ void intel_rps_park(struct intel_rps *rps)
* (Note we accommodate Cherryview's limitation of only using an
* even bin by applying it to all.)
*/
- rps->cur_freq =
- max_t(int, round_down(rps->cur_freq - 1, 2), rps->min_freq);
+ adj = rps->last_adj;
+ if (adj < 0)
+ adj *= 2;
+ else /* CHV needs even encode values */
+ adj = -2;
+ rps->last_adj = adj;
+ rps->cur_freq = max_t(int, rps->cur_freq + adj, rps->min_freq);
+
+ GT_TRACE(rps_to_gt(rps), "park:%x\n", rps->cur_freq);
}
void intel_rps_boost(struct i915_request *rq)
@@ -790,7 +892,7 @@ void intel_rps_boost(struct i915_request *rq)
struct intel_rps *rps = &READ_ONCE(rq->engine)->gt->rps;
unsigned long flags;
- if (i915_request_signaled(rq) || !READ_ONCE(rps->active))
+ if (i915_request_signaled(rq) || !intel_rps_is_active(rps))
return;
/* Serializes with i915_request_retire() */
@@ -799,6 +901,9 @@ void intel_rps_boost(struct i915_request *rq)
!dma_fence_is_signaled_locked(&rq->fence)) {
set_bit(I915_FENCE_FLAG_BOOST, &rq->fence.flags);
+ GT_TRACE(rps_to_gt(rps), "boost fence:%llx:%llx\n",
+ rq->fence.context, rq->fence.seqno);
+
if (!atomic_fetch_inc(&rps->num_waiters) &&
READ_ONCE(rps->cur_freq) < rps->boost_freq)
schedule_work(&rps->work);
@@ -816,7 +921,7 @@ int intel_rps_set(struct intel_rps *rps, u8 val)
GEM_BUG_ON(val > rps->max_freq);
GEM_BUG_ON(val < rps->min_freq);
- if (rps->active) {
+ if (intel_rps_is_active(rps)) {
err = rps_set(rps, val, true);
if (err)
return err;
@@ -825,7 +930,7 @@ int intel_rps_set(struct intel_rps *rps, u8 val)
* Make sure we continue to get interrupts
* until we hit the minimum or maximum frequencies.
*/
- if (INTEL_GEN(rps_to_i915(rps)) >= 6) {
+ if (intel_rps_has_interrupts(rps)) {
struct intel_uncore *uncore = rps_to_uncore(rps);
set(uncore,
@@ -893,12 +998,14 @@ static void gen6_rps_init(struct intel_rps *rps)
static bool rps_reset(struct intel_rps *rps)
{
+ struct drm_i915_private *i915 = rps_to_i915(rps);
+
/* force a reset */
rps->power.mode = -1;
rps->last_freq = -1;
if (rps_set(rps, rps->min_freq, true)) {
- DRM_ERROR("Failed to reset RPS to initial values\n");
+ drm_err(&i915->drm, "Failed to reset RPS to initial values\n");
return false;
}
@@ -909,20 +1016,18 @@ static bool rps_reset(struct intel_rps *rps)
/* See the Gen9_GT_PM_Programming_Guide doc for the below */
static bool gen9_rps_enable(struct intel_rps *rps)
{
- struct drm_i915_private *i915 = rps_to_i915(rps);
- struct intel_uncore *uncore = rps_to_uncore(rps);
+ struct intel_gt *gt = rps_to_gt(rps);
+ struct intel_uncore *uncore = gt->uncore;
/* Program defaults and thresholds for RPS */
- if (IS_GEN(i915, 9))
+ if (IS_GEN(gt->i915, 9))
intel_uncore_write_fw(uncore, GEN6_RC_VIDEO_FREQ,
GEN9_FREQUENCY(rps->rp1_freq));
- /* 1 second timeout */
- intel_uncore_write_fw(uncore, GEN6_RP_DOWN_TIMEOUT,
- GT_INTERVAL_FROM_US(i915, 1000000));
-
intel_uncore_write_fw(uncore, GEN6_RP_IDLE_HYSTERSIS, 0xa);
+ rps->pm_events = GEN6_PM_RP_UP_THRESHOLD | GEN6_PM_RP_DOWN_THRESHOLD;
+
return rps_reset(rps);
}
@@ -933,12 +1038,10 @@ static bool gen8_rps_enable(struct intel_rps *rps)
intel_uncore_write_fw(uncore, GEN6_RC_VIDEO_FREQ,
HSW_FREQUENCY(rps->rp1_freq));
- /* NB: Docs say 1s, and 1000000 - which aren't equivalent */
- intel_uncore_write_fw(uncore, GEN6_RP_DOWN_TIMEOUT,
- 100000000 / 128); /* 1 second timeout */
-
intel_uncore_write_fw(uncore, GEN6_RP_IDLE_HYSTERSIS, 10);
+ rps->pm_events = GEN6_PM_RP_UP_THRESHOLD | GEN6_PM_RP_DOWN_THRESHOLD;
+
return rps_reset(rps);
}
@@ -950,6 +1053,10 @@ static bool gen6_rps_enable(struct intel_rps *rps)
intel_uncore_write_fw(uncore, GEN6_RP_DOWN_TIMEOUT, 50000);
intel_uncore_write_fw(uncore, GEN6_RP_IDLE_HYSTERSIS, 10);
+ rps->pm_events = (GEN6_PM_RP_UP_THRESHOLD |
+ GEN6_PM_RP_DOWN_THRESHOLD |
+ GEN6_PM_RP_DOWN_TIMEOUT);
+
return rps_reset(rps);
}
@@ -1035,6 +1142,10 @@ static bool chv_rps_enable(struct intel_rps *rps)
GEN6_RP_UP_BUSY_AVG |
GEN6_RP_DOWN_IDLE_AVG);
+ rps->pm_events = (GEN6_PM_RP_UP_THRESHOLD |
+ GEN6_PM_RP_DOWN_THRESHOLD |
+ GEN6_PM_RP_DOWN_TIMEOUT);
+
/* Setting Fixed Bias */
vlv_punit_get(i915);
@@ -1049,8 +1160,8 @@ static bool chv_rps_enable(struct intel_rps *rps)
drm_WARN_ONCE(&i915->drm, (val & GPLLENABLE) == 0,
"GPLL not enabled\n");
- DRM_DEBUG_DRIVER("GPLL enabled? %s\n", yesno(val & GPLLENABLE));
- DRM_DEBUG_DRIVER("GPU status: 0x%08x\n", val);
+ drm_dbg(&i915->drm, "GPLL enabled? %s\n", yesno(val & GPLLENABLE));
+ drm_dbg(&i915->drm, "GPU status: 0x%08x\n", val);
return rps_reset(rps);
}
@@ -1133,6 +1244,9 @@ static bool vlv_rps_enable(struct intel_rps *rps)
GEN6_RP_UP_BUSY_AVG |
GEN6_RP_DOWN_IDLE_CONT);
+ /* WaGsvRC0ResidencyMethod:vlv */
+ rps->pm_events = GEN6_PM_RP_UP_EI_EXPIRED;
+
vlv_punit_get(i915);
/* Setting Fixed Bias */
@@ -1147,8 +1261,8 @@ static bool vlv_rps_enable(struct intel_rps *rps)
drm_WARN_ONCE(&i915->drm, (val & GPLLENABLE) == 0,
"GPLL not enabled\n");
- DRM_DEBUG_DRIVER("GPLL enabled? %s\n", yesno(val & GPLLENABLE));
- DRM_DEBUG_DRIVER("GPU status: 0x%08x\n", val);
+ drm_dbg(&i915->drm, "GPLL enabled? %s\n", yesno(val & GPLLENABLE));
+ drm_dbg(&i915->drm, "GPU status: 0x%08x\n", val);
return rps_reset(rps);
}
@@ -1191,33 +1305,71 @@ static unsigned long __ips_gfx_val(struct intel_ips *ips)
return ips->gfx_power + state2;
}
+static bool has_busy_stats(struct intel_rps *rps)
+{
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+
+ for_each_engine(engine, rps_to_gt(rps), id) {
+ if (!intel_engine_supports_stats(engine))
+ return false;
+ }
+
+ return true;
+}
+
void intel_rps_enable(struct intel_rps *rps)
{
struct drm_i915_private *i915 = rps_to_i915(rps);
struct intel_uncore *uncore = rps_to_uncore(rps);
+ bool enabled = false;
+
+ if (!HAS_RPS(i915))
+ return;
+
+ intel_gt_check_clock_frequency(rps_to_gt(rps));
intel_uncore_forcewake_get(uncore, FORCEWAKE_ALL);
- if (IS_CHERRYVIEW(i915))
- rps->enabled = chv_rps_enable(rps);
+ if (rps->max_freq <= rps->min_freq)
+ /* leave disabled, no room for dynamic reclocking */;
+ else if (IS_CHERRYVIEW(i915))
+ enabled = chv_rps_enable(rps);
else if (IS_VALLEYVIEW(i915))
- rps->enabled = vlv_rps_enable(rps);
+ enabled = vlv_rps_enable(rps);
else if (INTEL_GEN(i915) >= 9)
- rps->enabled = gen9_rps_enable(rps);
+ enabled = gen9_rps_enable(rps);
else if (INTEL_GEN(i915) >= 8)
- rps->enabled = gen8_rps_enable(rps);
+ enabled = gen8_rps_enable(rps);
else if (INTEL_GEN(i915) >= 6)
- rps->enabled = gen6_rps_enable(rps);
+ enabled = gen6_rps_enable(rps);
else if (IS_IRONLAKE_M(i915))
- rps->enabled = gen5_rps_enable(rps);
+ enabled = gen5_rps_enable(rps);
+ else
+ MISSING_CASE(INTEL_GEN(i915));
intel_uncore_forcewake_put(uncore, FORCEWAKE_ALL);
- if (!rps->enabled)
+ if (!enabled)
return;
- drm_WARN_ON(&i915->drm, rps->max_freq < rps->min_freq);
- drm_WARN_ON(&i915->drm, rps->idle_freq > rps->max_freq);
+ GT_TRACE(rps_to_gt(rps),
+ "min:%x, max:%x, freq:[%d, %d]\n",
+ rps->min_freq, rps->max_freq,
+ intel_gpu_freq(rps, rps->min_freq),
+ intel_gpu_freq(rps, rps->max_freq));
- drm_WARN_ON(&i915->drm, rps->efficient_freq < rps->min_freq);
- drm_WARN_ON(&i915->drm, rps->efficient_freq > rps->max_freq);
+ GEM_BUG_ON(rps->max_freq < rps->min_freq);
+ GEM_BUG_ON(rps->idle_freq > rps->max_freq);
+
+ GEM_BUG_ON(rps->efficient_freq < rps->min_freq);
+ GEM_BUG_ON(rps->efficient_freq > rps->max_freq);
+
+ if (has_busy_stats(rps))
+ intel_rps_set_timer(rps);
+ else if (INTEL_GEN(i915) >= 6)
+ intel_rps_set_interrupts(rps);
+ else
+ /* Ironlake currently uses intel_ips.ko */ {}
+
+ intel_rps_set_enabled(rps);
}
static void gen6_rps_disable(struct intel_rps *rps)
@@ -1229,7 +1381,9 @@ void intel_rps_disable(struct intel_rps *rps)
{
struct drm_i915_private *i915 = rps_to_i915(rps);
- rps->enabled = false;
+ intel_rps_clear_enabled(rps);
+ intel_rps_clear_interrupts(rps);
+ intel_rps_clear_timer(rps);
if (INTEL_GEN(i915) >= 6)
gen6_rps_disable(rps);
@@ -1305,7 +1459,8 @@ static void vlv_init_gpll_ref_freq(struct intel_rps *rps)
CCK_GPLL_CLOCK_CONTROL,
i915->czclk_freq);
- DRM_DEBUG_DRIVER("GPLL reference freq: %d kHz\n", rps->gpll_ref_freq);
+ drm_dbg(&i915->drm, "GPLL reference freq: %d kHz\n",
+ rps->gpll_ref_freq);
}
static void vlv_rps_init(struct intel_rps *rps)
@@ -1333,28 +1488,24 @@ static void vlv_rps_init(struct intel_rps *rps)
i915->mem_freq = 1333;
break;
}
- DRM_DEBUG_DRIVER("DDR speed: %d MHz\n", i915->mem_freq);
+ drm_dbg(&i915->drm, "DDR speed: %d MHz\n", i915->mem_freq);
rps->max_freq = vlv_rps_max_freq(rps);
rps->rp0_freq = rps->max_freq;
- DRM_DEBUG_DRIVER("max GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->max_freq),
- rps->max_freq);
+ drm_dbg(&i915->drm, "max GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->max_freq), rps->max_freq);
rps->efficient_freq = vlv_rps_rpe_freq(rps);
- DRM_DEBUG_DRIVER("RPe GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->efficient_freq),
- rps->efficient_freq);
+ drm_dbg(&i915->drm, "RPe GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->efficient_freq), rps->efficient_freq);
rps->rp1_freq = vlv_rps_guar_freq(rps);
- DRM_DEBUG_DRIVER("RP1(Guar Freq) GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->rp1_freq),
- rps->rp1_freq);
+ drm_dbg(&i915->drm, "RP1(Guar Freq) GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->rp1_freq), rps->rp1_freq);
rps->min_freq = vlv_rps_min_freq(rps);
- DRM_DEBUG_DRIVER("min GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->min_freq),
- rps->min_freq);
+ drm_dbg(&i915->drm, "min GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->min_freq), rps->min_freq);
vlv_iosf_sb_put(i915,
BIT(VLV_IOSF_SB_PUNIT) |
@@ -1384,28 +1535,24 @@ static void chv_rps_init(struct intel_rps *rps)
i915->mem_freq = 1600;
break;
}
- DRM_DEBUG_DRIVER("DDR speed: %d MHz\n", i915->mem_freq);
+ drm_dbg(&i915->drm, "DDR speed: %d MHz\n", i915->mem_freq);
rps->max_freq = chv_rps_max_freq(rps);
rps->rp0_freq = rps->max_freq;
- DRM_DEBUG_DRIVER("max GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->max_freq),
- rps->max_freq);
+ drm_dbg(&i915->drm, "max GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->max_freq), rps->max_freq);
rps->efficient_freq = chv_rps_rpe_freq(rps);
- DRM_DEBUG_DRIVER("RPe GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->efficient_freq),
- rps->efficient_freq);
+ drm_dbg(&i915->drm, "RPe GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->efficient_freq), rps->efficient_freq);
rps->rp1_freq = chv_rps_guar_freq(rps);
- DRM_DEBUG_DRIVER("RP1(Guar) GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->rp1_freq),
- rps->rp1_freq);
+ drm_dbg(&i915->drm, "RP1(Guar) GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->rp1_freq), rps->rp1_freq);
rps->min_freq = chv_rps_min_freq(rps);
- DRM_DEBUG_DRIVER("min GPU freq: %d MHz (%u)\n",
- intel_gpu_freq(rps, rps->min_freq),
- rps->min_freq);
+ drm_dbg(&i915->drm, "min GPU freq: %d MHz (%u)\n",
+ intel_gpu_freq(rps, rps->min_freq), rps->min_freq);
vlv_iosf_sb_put(i915,
BIT(VLV_IOSF_SB_PUNIT) |
@@ -1468,12 +1615,13 @@ static void rps_work(struct work_struct *work)
{
struct intel_rps *rps = container_of(work, typeof(*rps), work);
struct intel_gt *gt = rps_to_gt(rps);
+ struct drm_i915_private *i915 = rps_to_i915(rps);
bool client_boost = false;
int new_freq, adj, min, max;
u32 pm_iir = 0;
spin_lock_irq(&gt->irq_lock);
- pm_iir = fetch_and_zero(&rps->pm_iir) & READ_ONCE(rps->pm_events);
+ pm_iir = fetch_and_zero(&rps->pm_iir) & rps->pm_events;
client_boost = atomic_read(&rps->num_waiters);
spin_unlock_irq(&gt->irq_lock);
@@ -1482,6 +1630,10 @@ static void rps_work(struct work_struct *work)
goto out;
mutex_lock(&rps->lock);
+ if (!intel_rps_is_active(rps)) {
+ mutex_unlock(&rps->lock);
+ return;
+ }
pm_iir |= vlv_wa_c0_ei(rps, pm_iir);
@@ -1491,6 +1643,12 @@ static void rps_work(struct work_struct *work)
max = rps->max_freq_softlimit;
if (client_boost)
max = rps->max_freq;
+
+ GT_TRACE(gt,
+ "pm_iir:%x, client_boost:%s, last:%d, cur:%x, min:%x, max:%x\n",
+ pm_iir, yesno(client_boost),
+ adj, new_freq, min, max);
+
if (client_boost && new_freq < rps->boost_freq) {
new_freq = rps->boost_freq;
adj = 0;
@@ -1522,30 +1680,18 @@ static void rps_work(struct work_struct *work)
adj = 0;
}
- rps->last_adj = adj;
-
/*
- * Limit deboosting and boosting to keep ourselves at the extremes
- * when in the respective power modes (i.e. slowly decrease frequencies
- * while in the HIGH_POWER zone and slowly increase frequencies while
- * in the LOW_POWER zone). On idle, we will hit the timeout and drop
- * to the next level quickly, and conversely if busy we expect to
- * hit a waitboost and rapidly switch into max power.
- */
- if ((adj < 0 && rps->power.mode == HIGH_POWER) ||
- (adj > 0 && rps->power.mode == LOW_POWER))
- rps->last_adj = 0;
-
- /* sysfs frequency interfaces may have snuck in while servicing the
- * interrupt
+ * sysfs frequency limits may have snuck in while
+ * servicing the interrupt
*/
new_freq += adj;
new_freq = clamp_t(int, new_freq, min, max);
if (intel_rps_set(rps, new_freq)) {
- DRM_DEBUG_DRIVER("Failed to set new GPU frequency\n");
- rps->last_adj = 0;
+ drm_dbg(&i915->drm, "Failed to set new GPU frequency\n");
+ adj = 0;
}
+ rps->last_adj = adj;
mutex_unlock(&rps->lock);
@@ -1565,6 +1711,8 @@ void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir)
if (unlikely(!events))
return;
+ GT_TRACE(gt, "irq events:%x\n", events);
+
gen6_gt_pm_mask_irq(gt, events);
rps->pm_iir |= events;
@@ -1576,10 +1724,12 @@ void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir)
struct intel_gt *gt = rps_to_gt(rps);
u32 events;
- events = pm_iir & READ_ONCE(rps->pm_events);
+ events = pm_iir & rps->pm_events;
if (events) {
spin_lock(&gt->irq_lock);
+ GT_TRACE(gt, "irq events:%x\n", events);
+
gen6_gt_pm_mask_irq(gt, events);
rps->pm_iir |= events;
@@ -1637,6 +1787,7 @@ void intel_rps_init_early(struct intel_rps *rps)
mutex_init(&rps->power.mutex);
INIT_WORK(&rps->work, rps_work);
+ timer_setup(&rps->timer, rps_timer, 0);
atomic_set(&rps->num_waiters, 0);
}
@@ -1665,9 +1816,10 @@ void intel_rps_init(struct intel_rps *rps)
sandybridge_pcode_read(i915, GEN6_READ_OC_PARAMS,
&params, NULL);
if (params & BIT(31)) { /* OC supported */
- DRM_DEBUG_DRIVER("Overclocking supported, max: %dMHz, overclock: %dMHz\n",
- (rps->max_freq & 0xff) * 50,
- (params & 0xff) * 50);
+ drm_dbg(&i915->drm,
+ "Overclocking supported, max: %dMHz, overclock: %dMHz\n",
+ (rps->max_freq & 0xff) * 50,
+ (params & 0xff) * 50);
rps->max_freq = params & 0xff;
}
}
@@ -1675,7 +1827,9 @@ void intel_rps_init(struct intel_rps *rps)
/* Finally allow us to boost to max by default */
rps->boost_freq = rps->max_freq;
rps->idle_freq = rps->min_freq;
- rps->cur_freq = rps->idle_freq;
+
+ /* Start in the middle, from here we will autotune based on workload */
+ rps->cur_freq = rps->efficient_freq;
rps->pm_intrmsk_mbz = 0;
@@ -1692,6 +1846,12 @@ void intel_rps_init(struct intel_rps *rps)
rps->pm_intrmsk_mbz |= GEN8_PMINTR_DISABLE_REDIRECT_TO_GUC;
}
+void intel_rps_sanitize(struct intel_rps *rps)
+{
+ if (INTEL_GEN(rps_to_i915(rps)) >= 6)
+ rps_disable_interrupts(rps);
+}
+
u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat)
{
struct drm_i915_private *i915 = rps_to_i915(rps);
@@ -1719,7 +1879,7 @@ static u32 read_cagf(struct intel_rps *rps)
freq = vlv_punit_read(i915, PUNIT_REG_GPU_FREQ_STS);
vlv_punit_put(i915);
} else {
- freq = intel_uncore_read(rps_to_gt(rps)->uncore, GEN6_RPSTAT1);
+ freq = intel_uncore_read(rps_to_uncore(rps), GEN6_RPSTAT1);
}
return intel_rps_get_cagf(rps, freq);
@@ -1727,7 +1887,7 @@ static u32 read_cagf(struct intel_rps *rps)
u32 intel_rps_read_actual_frequency(struct intel_rps *rps)
{
- struct intel_runtime_pm *rpm = rps_to_gt(rps)->uncore->rpm;
+ struct intel_runtime_pm *rpm = rps_to_uncore(rps)->rpm;
intel_wakeref_t wakeref;
u32 freq = 0;
@@ -1927,3 +2087,7 @@ bool i915_gpu_turbo_disable(void)
return ret;
}
EXPORT_SYMBOL_GPL(i915_gpu_turbo_disable);
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+#include "selftest_rps.c"
+#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_rps.h b/drivers/gpu/drm/i915/gt/intel_rps.h
index dfa98194f3b2..8d3c9d663662 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps.h
+++ b/drivers/gpu/drm/i915/gt/intel_rps.h
@@ -13,6 +13,7 @@ struct i915_request;
void intel_rps_init_early(struct intel_rps *rps);
void intel_rps_init(struct intel_rps *rps);
+void intel_rps_sanitize(struct intel_rps *rps);
void intel_rps_driver_register(struct intel_rps *rps);
void intel_rps_driver_unregister(struct intel_rps *rps);
@@ -36,4 +37,64 @@ void gen5_rps_irq_handler(struct intel_rps *rps);
void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
+static inline bool intel_rps_is_enabled(const struct intel_rps *rps)
+{
+ return test_bit(INTEL_RPS_ENABLED, &rps->flags);
+}
+
+static inline void intel_rps_set_enabled(struct intel_rps *rps)
+{
+ set_bit(INTEL_RPS_ENABLED, &rps->flags);
+}
+
+static inline void intel_rps_clear_enabled(struct intel_rps *rps)
+{
+ clear_bit(INTEL_RPS_ENABLED, &rps->flags);
+}
+
+static inline bool intel_rps_is_active(const struct intel_rps *rps)
+{
+ return test_bit(INTEL_RPS_ACTIVE, &rps->flags);
+}
+
+static inline void intel_rps_set_active(struct intel_rps *rps)
+{
+ set_bit(INTEL_RPS_ACTIVE, &rps->flags);
+}
+
+static inline bool intel_rps_clear_active(struct intel_rps *rps)
+{
+ return test_and_clear_bit(INTEL_RPS_ACTIVE, &rps->flags);
+}
+
+static inline bool intel_rps_has_interrupts(const struct intel_rps *rps)
+{
+ return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
+static inline void intel_rps_set_interrupts(struct intel_rps *rps)
+{
+ set_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
+static inline void intel_rps_clear_interrupts(struct intel_rps *rps)
+{
+ clear_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
+}
+
+static inline bool intel_rps_uses_timer(const struct intel_rps *rps)
+{
+ return test_bit(INTEL_RPS_TIMER, &rps->flags);
+}
+
+static inline void intel_rps_set_timer(struct intel_rps *rps)
+{
+ set_bit(INTEL_RPS_TIMER, &rps->flags);
+}
+
+static inline void intel_rps_clear_timer(struct intel_rps *rps)
+{
+ clear_bit(INTEL_RPS_TIMER, &rps->flags);
+}
+
#endif /* INTEL_RPS_H */
diff --git a/drivers/gpu/drm/i915/gt/intel_rps_types.h b/drivers/gpu/drm/i915/gt/intel_rps_types.h
index c2e279154bd5..38083f0402d9 100644
--- a/drivers/gpu/drm/i915/gt/intel_rps_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_rps_types.h
@@ -31,6 +31,13 @@ struct intel_rps_ei {
u32 media_c0;
};
+enum {
+ INTEL_RPS_ENABLED = 0,
+ INTEL_RPS_ACTIVE,
+ INTEL_RPS_INTERRUPTS,
+ INTEL_RPS_TIMER,
+};
+
struct intel_rps {
struct mutex lock; /* protects enabling and the worker */
@@ -38,9 +45,12 @@ struct intel_rps {
* work, interrupts_enabled and pm_iir are protected by
* dev_priv->irq_lock
*/
+ struct timer_list timer;
struct work_struct work;
- bool enabled;
- bool active;
+ unsigned long flags;
+
+ ktime_t pm_timestamp;
+ u32 pm_interval;
u32 pm_iir;
/* PM interrupt bits that should never be masked */
diff --git a/drivers/gpu/drm/i915/gt/intel_sseu.c b/drivers/gpu/drm/i915/gt/intel_sseu.c
index 74f793423231..d173271c7397 100644
--- a/drivers/gpu/drm/i915/gt/intel_sseu.c
+++ b/drivers/gpu/drm/i915/gt/intel_sseu.c
@@ -65,7 +65,6 @@ u32 intel_sseu_make_rpcs(struct drm_i915_private *i915,
{
const struct sseu_dev_info *sseu = &RUNTIME_INFO(i915)->sseu;
bool subslice_pg = sseu->has_subslice_pg;
- struct intel_sseu ctx_sseu;
u8 slices, subslices;
u32 rpcs = 0;
@@ -78,31 +77,13 @@ u32 intel_sseu_make_rpcs(struct drm_i915_private *i915,
/*
* If i915/perf is active, we want a stable powergating configuration
- * on the system.
- *
- * We could choose full enablement, but on ICL we know there are use
- * cases which disable slices for functional, apart for performance
- * reasons. So in this case we select a known stable subset.
+ * on the system. Use the configuration pinned by i915/perf.
*/
- if (!i915->perf.exclusive_stream) {
- ctx_sseu = *req_sseu;
- } else {
- ctx_sseu = intel_sseu_from_device_info(sseu);
-
- if (IS_GEN(i915, 11)) {
- /*
- * We only need subslice count so it doesn't matter
- * which ones we select - just turn off low bits in the
- * amount of half of all available subslices per slice.
- */
- ctx_sseu.subslice_mask =
- ~(~0 << (hweight8(ctx_sseu.subslice_mask) / 2));
- ctx_sseu.slice_mask = 0x1;
- }
- }
+ if (i915->perf.exclusive_stream)
+ req_sseu = &i915->perf.sseu;
- slices = hweight8(ctx_sseu.slice_mask);
- subslices = hweight8(ctx_sseu.subslice_mask);
+ slices = hweight8(req_sseu->slice_mask);
+ subslices = hweight8(req_sseu->subslice_mask);
/*
* Since the SScount bitfield in GEN8_R_PWR_CLK_STATE is only three bits
@@ -175,13 +156,13 @@ u32 intel_sseu_make_rpcs(struct drm_i915_private *i915,
if (sseu->has_eu_pg) {
u32 val;
- val = ctx_sseu.min_eus_per_subslice << GEN8_RPCS_EU_MIN_SHIFT;
+ val = req_sseu->min_eus_per_subslice << GEN8_RPCS_EU_MIN_SHIFT;
GEM_BUG_ON(val & ~GEN8_RPCS_EU_MIN_MASK);
val &= GEN8_RPCS_EU_MIN_MASK;
rpcs |= val;
- val = ctx_sseu.max_eus_per_subslice << GEN8_RPCS_EU_MAX_SHIFT;
+ val = req_sseu->max_eus_per_subslice << GEN8_RPCS_EU_MAX_SHIFT;
GEM_BUG_ON(val & ~GEN8_RPCS_EU_MAX_MASK);
val &= GEN8_RPCS_EU_MAX_MASK;
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 91debbc97c9a..4546284fede1 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -119,6 +119,15 @@ static void __idle_hwsp_free(struct intel_timeline_hwsp *hwsp, int cacheline)
spin_unlock_irqrestore(&gt->hwsp_lock, flags);
}
+static void __rcu_cacheline_free(struct rcu_head *rcu)
+{
+ struct intel_timeline_cacheline *cl =
+ container_of(rcu, typeof(*cl), rcu);
+
+ i915_active_fini(&cl->active);
+ kfree(cl);
+}
+
static void __idle_cacheline_free(struct intel_timeline_cacheline *cl)
{
GEM_BUG_ON(!i915_active_is_idle(&cl->active));
@@ -127,8 +136,7 @@ static void __idle_cacheline_free(struct intel_timeline_cacheline *cl)
i915_vma_put(cl->hwsp->vma);
__idle_hwsp_free(cl->hwsp, ptr_unmask_bits(cl->vaddr, CACHELINE_BITS));
- i915_active_fini(&cl->active);
- kfree_rcu(cl, rcu);
+ call_rcu(&cl->rcu, __rcu_cacheline_free);
}
__i915_active_call
@@ -203,9 +211,9 @@ static void cacheline_free(struct intel_timeline_cacheline *cl)
i915_active_release(&cl->active);
}
-int intel_timeline_init(struct intel_timeline *timeline,
- struct intel_gt *gt,
- struct i915_vma *hwsp)
+static int intel_timeline_init(struct intel_timeline *timeline,
+ struct intel_gt *gt,
+ struct i915_vma *hwsp)
{
void *vaddr;
@@ -272,7 +280,7 @@ void intel_gt_init_timelines(struct intel_gt *gt)
INIT_LIST_HEAD(&timelines->hwsp_free_list);
}
-void intel_timeline_fini(struct intel_timeline *timeline)
+static void intel_timeline_fini(struct intel_timeline *timeline)
{
GEM_BUG_ON(atomic_read(&timeline->pin_count));
GEM_BUG_ON(!list_empty(&timeline->requests));
@@ -329,6 +337,13 @@ int intel_timeline_pin(struct intel_timeline *tl)
return 0;
}
+void intel_timeline_reset_seqno(const struct intel_timeline *tl)
+{
+ /* Must be pinned to be writable, and no requests in flight. */
+ GEM_BUG_ON(!atomic_read(&tl->pin_count));
+ WRITE_ONCE(*(u32 *)tl->hwsp_seqno, tl->seqno);
+}
+
void intel_timeline_enter(struct intel_timeline *tl)
{
struct intel_gt_timelines *timelines = &tl->gt->timelines;
@@ -357,8 +372,16 @@ void intel_timeline_enter(struct intel_timeline *tl)
return;
spin_lock(&timelines->lock);
- if (!atomic_fetch_inc(&tl->active_count))
+ if (!atomic_fetch_inc(&tl->active_count)) {
+ /*
+ * The HWSP is volatile, and may have been lost while inactive,
+ * e.g. across suspend/resume. Be paranoid, and ensure that
+ * the HWSP value matches our seqno so we don't proclaim
+ * the next request as already complete.
+ */
+ intel_timeline_reset_seqno(tl);
list_add_tail(&tl->link, &timelines->active_list);
+ }
spin_unlock(&timelines->lock);
}
@@ -521,6 +544,8 @@ int intel_timeline_read_hwsp(struct i915_request *from,
rcu_read_lock();
cl = rcu_dereference(from->hwsp_cacheline);
+ if (i915_request_completed(from)) /* confirm cacheline is valid */
+ goto unlock;
if (unlikely(!i915_active_acquire_if_busy(&cl->active)))
goto unlock; /* seqno wrapped and completed! */
if (unlikely(i915_request_completed(from)))
diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.h b/drivers/gpu/drm/i915/gt/intel_timeline.h
index f5b7eade3809..4298b9ac7327 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.h
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.h
@@ -31,11 +31,6 @@
#include "i915_syncmap.h"
#include "gt/intel_timeline_types.h"
-int intel_timeline_init(struct intel_timeline *tl,
- struct intel_gt *gt,
- struct i915_vma *hwsp);
-void intel_timeline_fini(struct intel_timeline *tl);
-
struct intel_timeline *
intel_timeline_create(struct intel_gt *gt, struct i915_vma *global_hwsp);
@@ -84,6 +79,8 @@ int intel_timeline_get_seqno(struct intel_timeline *tl,
void intel_timeline_exit(struct intel_timeline *tl);
void intel_timeline_unpin(struct intel_timeline *tl);
+void intel_timeline_reset_seqno(const struct intel_timeline *tl);
+
int intel_timeline_read_hwsp(struct i915_request *from,
struct i915_request *until,
u32 *hwsp_offset);
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 5176ad1a3976..90a2b9e399b0 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -485,25 +485,14 @@ static void cfl_ctx_workarounds_init(struct intel_engine_cs *engine,
static void cnl_ctx_workarounds_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
{
- struct drm_i915_private *i915 = engine->i915;
-
/* WaForceContextSaveRestoreNonCoherent:cnl */
WA_SET_BIT_MASKED(CNL_HDC_CHICKEN0,
HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT);
- /* WaThrottleEUPerfToAvoidTDBackPressure:cnl(pre-prod) */
- if (IS_CNL_REVID(i915, CNL_REVID_B0, CNL_REVID_B0))
- WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, THROTTLE_12_5);
-
/* WaDisableReplayBufferBankArbitrationOptimization:cnl */
WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
GEN8_SBE_DISABLE_REPLAY_BUF_OPTIMIZATION);
- /* WaDisableEnhancedSBEVertexCaching:cnl (pre-prod) */
- if (IS_CNL_REVID(i915, 0, CNL_REVID_B0))
- WA_SET_BIT_MASKED(COMMON_SLICE_CHICKEN2,
- GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE);
-
/* WaPushConstantDereferenceHoldDisable:cnl */
WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, PUSH_CONSTANT_DEREF_DISABLE);
@@ -837,7 +826,7 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal)
intel_uncore_read(&i915->uncore, GEN10_MIRROR_FUSE3) &
GEN10_L3BANK_MASK;
- DRM_DEBUG_DRIVER("L3 fuse = %x\n", l3_fuse);
+ drm_dbg(&i915->drm, "L3 fuse = %x\n", l3_fuse);
l3_en = ~(l3_fuse << GEN10_L3BANK_PAIR_COUNT | l3_fuse);
} else {
l3_en = ~0;
@@ -846,7 +835,8 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal)
slice = fls(sseu->slice_mask) - 1;
subslice = fls(l3_en & intel_sseu_get_subslices(sseu, slice));
if (!subslice) {
- DRM_WARN("No common index found between subslice mask %x and L3 bank mask %x!\n",
+ drm_warn(&i915->drm,
+ "No common index found between subslice mask %x and L3 bank mask %x!\n",
intel_sseu_get_subslices(sseu, slice), l3_en);
subslice = fls(l3_en);
drm_WARN_ON(&i915->drm, !subslice);
@@ -861,7 +851,7 @@ wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal)
mcr_mask = GEN8_MCR_SLICE_MASK | GEN8_MCR_SUBSLICE_MASK;
}
- DRM_DEBUG_DRIVER("MCR slice/subslice = %x\n", mcr);
+ drm_dbg(&i915->drm, "MCR slice/subslice = %x\n", mcr);
wa_write_masked_or(wal, GEN8_MCR_SELECTOR, mcr_mask, mcr);
}
@@ -871,12 +861,6 @@ cnl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
{
wa_init_mcr(i915, wal);
- /* WaDisableI2mCycleOnWRPort:cnl (pre-prod) */
- if (IS_CNL_REVID(i915, CNL_REVID_B0, CNL_REVID_B0))
- wa_write_or(wal,
- GAMT_CHKN_BIT_REG,
- GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT);
-
/* WaInPlaceDecompressionHang:cnl */
wa_write_or(wal,
GEN9_GAMT_ECO_REG_RW_IA,
@@ -933,15 +917,20 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
GAMT_CHKN_BIT_REG,
GAMT_CHKN_DISABLE_L3_COH_PIPE);
- /* Wa_1607087056:icl */
- wa_write_or(wal,
- SLICE_UNIT_LEVEL_CLKGATE,
- L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
+ /* Wa_1607087056:icl,ehl,jsl */
+ if (IS_ICELAKE(i915) ||
+ IS_EHL_REVID(i915, EHL_REVID_A0, EHL_REVID_A0)) {
+ wa_write_or(wal,
+ SLICE_UNIT_LEVEL_CLKGATE,
+ L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS);
+ }
}
static void
tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
{
+ wa_init_mcr(i915, wal);
+
/* Wa_1409420604:tgl */
if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0))
wa_write_or(wal,
@@ -1379,12 +1368,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
GEN7_FF_THREAD_MODE,
GEN12_FF_TESSELATION_DOP_GATE_DISABLE);
- /*
- * Wa_1409085225:tgl
- * Wa_14010229206:tgl
- */
- wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
-
/* Wa_1408615072:tgl */
wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
VSUNIT_CLKGATE_DIS_TGL);
@@ -1402,6 +1385,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
wa_masked_en(wal,
GEN9_CS_DEBUG_MODE1,
FF_DOP_CLOCK_GATE_DISABLE);
+
+ /*
+ * Wa_1409085225:tgl
+ * Wa_14010229206:tgl
+ */
+ wa_masked_en(wal, GEN9_ROW_CHICKEN4, GEN12_DISABLE_TDL_PUSH);
}
if (IS_GEN(i915, 11)) {
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index 4a53ded7c2dd..b8dd3cbc8696 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -28,7 +28,6 @@
#include "i915_drv.h"
#include "intel_context.h"
#include "intel_engine_pm.h"
-#include "intel_engine_pool.h"
#include "mock_engine.h"
#include "selftests/mock_request.h"
@@ -328,7 +327,6 @@ int mock_engine_init(struct intel_engine_cs *engine)
intel_engine_init_execlists(engine);
intel_engine_init__pm(engine);
intel_engine_init_retire(engine);
- intel_engine_pool_init(&engine->pool);
ce = create_kernel_context(engine);
if (IS_ERR(ce))
diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c
index e874dfaa5316..52af1cee9a94 100644
--- a/drivers/gpu/drm/i915/gt/selftest_context.c
+++ b/drivers/gpu/drm/i915/gt/selftest_context.c
@@ -24,6 +24,7 @@ static int request_sync(struct i915_request *rq)
/* Opencode i915_request_add() so we can keep the timeline locked. */
__i915_request_commit(rq);
+ rq->sched.attr.priority = I915_PRIORITY_BARRIER;
__i915_request_queue(rq, NULL);
timeout = i915_request_wait(rq, 0, HZ / 10);
@@ -154,10 +155,7 @@ static int live_context_size(void *arg)
*/
for_each_engine(engine, gt, id) {
- struct {
- struct drm_i915_gem_object *state;
- void *pinned;
- } saved;
+ struct file *saved;
if (!engine->context_size)
continue;
@@ -171,8 +169,7 @@ static int live_context_size(void *arg)
* active state is sufficient, we are only checking that we
* don't use more than we planned.
*/
- saved.state = fetch_and_zero(&engine->default_state);
- saved.pinned = fetch_and_zero(&engine->pinned_default_state);
+ saved = fetch_and_zero(&engine->default_state);
/* Overlaps with the execlists redzone */
engine->context_size += I915_GTT_PAGE_SIZE;
@@ -181,8 +178,7 @@ static int live_context_size(void *arg)
engine->context_size -= I915_GTT_PAGE_SIZE;
- engine->pinned_default_state = saved.pinned;
- engine->default_state = saved.state;
+ engine->default_state = saved;
intel_engine_pm_put(engine);
diff --git a/drivers/gpu/drm/i915/gt/selftest_gt_pm.c b/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
index 09ff8e4f88af..242181a5214c 100644
--- a/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
+++ b/drivers/gpu/drm/i915/gt/selftest_gt_pm.c
@@ -7,6 +7,7 @@
#include "selftest_llc.h"
#include "selftest_rc6.h"
+#include "selftest_rps.h"
static int live_gt_resume(void *arg)
{
@@ -52,6 +53,13 @@ int intel_gt_pm_live_selftests(struct drm_i915_private *i915)
{
static const struct i915_subtest tests[] = {
SUBTEST(live_rc6_manual),
+ SUBTEST(live_rps_clock_interval),
+ SUBTEST(live_rps_control),
+ SUBTEST(live_rps_frequency_cs),
+ SUBTEST(live_rps_frequency_srm),
+ SUBTEST(live_rps_power),
+ SUBTEST(live_rps_interrupt),
+ SUBTEST(live_rps_dynamic),
SUBTEST(live_gt_resume),
};
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index 6f06ba750a0a..824f99c4cc7c 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -21,7 +21,8 @@
#include "gem/selftests/mock_context.h"
#define CS_GPR(engine, n) ((engine)->mmio_base + 0x600 + (n) * 4)
-#define NUM_GPR_DW (16 * 2) /* each GPR is 2 dwords */
+#define NUM_GPR 16
+#define NUM_GPR_DW (NUM_GPR * 2) /* each GPR is 2 dwords */
static struct i915_vma *create_scratch(struct intel_gt *gt)
{
@@ -68,26 +69,41 @@ static void engine_heartbeat_enable(struct intel_engine_cs *engine,
engine->props.heartbeat_interval_ms = saved;
}
+static bool is_active(struct i915_request *rq)
+{
+ if (i915_request_is_active(rq))
+ return true;
+
+ if (i915_request_on_hold(rq))
+ return true;
+
+ if (i915_request_started(rq))
+ return true;
+
+ return false;
+}
+
static int wait_for_submit(struct intel_engine_cs *engine,
struct i915_request *rq,
unsigned long timeout)
{
timeout += jiffies;
do {
- cond_resched();
- intel_engine_flush_submission(engine);
+ bool done = time_after(jiffies, timeout);
- if (READ_ONCE(engine->execlists.pending[0]))
- continue;
-
- if (i915_request_is_active(rq))
+ if (i915_request_completed(rq)) /* that was quick! */
return 0;
- if (i915_request_started(rq)) /* that was quick! */
+ /* Wait until the HW has acknowleged the submission (or err) */
+ intel_engine_flush_submission(engine);
+ if (!READ_ONCE(engine->execlists.pending[0]) && is_active(rq))
return 0;
- } while (time_before(jiffies, timeout));
- return -ETIME;
+ if (done)
+ return -ETIME;
+
+ cond_resched();
+ } while (1);
}
static int wait_for_reset(struct intel_engine_cs *engine,
@@ -634,9 +650,9 @@ static int live_error_interrupt(void *arg)
error_repr(p->error[i]));
if (!i915_request_started(client[i])) {
- pr_debug("%s: %s request not stated!\n",
- engine->name,
- error_repr(p->error[i]));
+ pr_err("%s: %s request not started!\n",
+ engine->name,
+ error_repr(p->error[i]));
err = -ETIME;
goto out;
}
@@ -644,9 +660,10 @@ static int live_error_interrupt(void *arg)
/* Kick the tasklet to process the error */
intel_engine_flush_submission(engine);
if (client[i]->fence.error != p->error[i]) {
- pr_err("%s: %s request completed with wrong error code: %d\n",
+ pr_err("%s: %s request (%s) with wrong error code: %d\n",
engine->name,
error_repr(p->error[i]),
+ i915_request_completed(client[i]) ? "completed" : "running",
client[i]->fence.error);
err = -EINVAL;
goto out;
@@ -929,7 +946,7 @@ create_rewinder(struct intel_context *ce,
goto err;
}
- cs = intel_ring_begin(rq, 10);
+ cs = intel_ring_begin(rq, 14);
if (IS_ERR(cs)) {
err = PTR_ERR(cs);
goto err;
@@ -941,8 +958,8 @@ create_rewinder(struct intel_context *ce,
*cs++ = MI_SEMAPHORE_WAIT |
MI_SEMAPHORE_GLOBAL_GTT |
MI_SEMAPHORE_POLL |
- MI_SEMAPHORE_SAD_NEQ_SDD;
- *cs++ = 0;
+ MI_SEMAPHORE_SAD_GTE_SDD;
+ *cs++ = idx;
*cs++ = offset;
*cs++ = 0;
@@ -951,6 +968,11 @@ create_rewinder(struct intel_context *ce,
*cs++ = offset + idx * sizeof(u32);
*cs++ = 0;
+ *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
+ *cs++ = offset;
+ *cs++ = 0;
+ *cs++ = idx + 1;
+
intel_ring_advance(rq, cs);
rq->sched.attr.priority = I915_PRIORITY_MASK;
@@ -984,7 +1006,7 @@ static int live_timeslice_rewind(void *arg)
for_each_engine(engine, gt, id) {
enum { A1, A2, B1 };
- enum { X = 1, Y, Z };
+ enum { X = 1, Z, Y };
struct i915_request *rq[3] = {};
struct intel_context *ce;
unsigned long heartbeat;
@@ -1017,13 +1039,13 @@ static int live_timeslice_rewind(void *arg)
goto err;
}
- rq[0] = create_rewinder(ce, NULL, slot, 1);
+ rq[0] = create_rewinder(ce, NULL, slot, X);
if (IS_ERR(rq[0])) {
intel_context_put(ce);
goto err;
}
- rq[1] = create_rewinder(ce, NULL, slot, 2);
+ rq[1] = create_rewinder(ce, NULL, slot, Y);
intel_context_put(ce);
if (IS_ERR(rq[1]))
goto err;
@@ -1041,7 +1063,7 @@ static int live_timeslice_rewind(void *arg)
goto err;
}
- rq[2] = create_rewinder(ce, rq[0], slot, 3);
+ rq[2] = create_rewinder(ce, rq[0], slot, Z);
intel_context_put(ce);
if (IS_ERR(rq[2]))
goto err;
@@ -1052,18 +1074,14 @@ static int live_timeslice_rewind(void *arg)
engine->name);
goto err;
}
- GEM_BUG_ON(!timer_pending(&engine->execlists.timer));
/* ELSP[] = { { A:rq1, A:rq2 }, { B:rq1 } } */
- GEM_BUG_ON(!i915_request_is_active(rq[A1]));
- GEM_BUG_ON(!i915_request_is_active(rq[A2]));
- GEM_BUG_ON(!i915_request_is_active(rq[B1]));
-
- /* Wait for the timeslice to kick in */
- del_timer(&engine->execlists.timer);
- tasklet_hi_schedule(&engine->execlists.tasklet);
- intel_engine_flush_submission(engine);
-
+ if (i915_request_is_active(rq[A2])) { /* semaphore yielded! */
+ /* Wait for the timeslice to kick in */
+ del_timer(&engine->execlists.timer);
+ tasklet_hi_schedule(&engine->execlists.tasklet);
+ intel_engine_flush_submission(engine);
+ }
/* -> ELSP[] = { { A:rq1 }, { B:rq1 } } */
GEM_BUG_ON(!i915_request_is_active(rq[A1]));
GEM_BUG_ON(!i915_request_is_active(rq[B1]));
@@ -1228,8 +1246,14 @@ static int live_timeslice_queue(void *arg)
if (err)
goto err_rq;
- intel_engine_flush_submission(engine);
+ /* Wait until we ack the release_queue and start timeslicing */
+ do {
+ cond_resched();
+ intel_engine_flush_submission(engine);
+ } while (READ_ONCE(engine->execlists.pending[0]));
+
if (!READ_ONCE(engine->execlists.timer.expires) &&
+ execlists_active(&engine->execlists) == rq &&
!i915_request_completed(rq)) {
struct drm_printer p =
drm_info_printer(gt->i915->drm.dev);
@@ -2030,6 +2054,9 @@ static int __cancel_hostile(struct live_preempt_cancel *arg)
if (!IS_ACTIVE(CONFIG_DRM_I915_PREEMPT_TIMEOUT))
return 0;
+ if (!intel_has_reset_engine(arg->engine->gt))
+ return 0;
+
GEM_TRACE("%s(%s)\n", __func__, arg->engine->name);
rq = spinner_create_request(&arg->a.spin,
arg->a.ctx, arg->engine,
@@ -2630,7 +2657,7 @@ static int create_gang(struct intel_engine_cs *engine,
if (IS_ERR(rq))
goto err_obj;
- rq->batch = vma;
+ rq->batch = i915_vma_get(vma);
i915_request_get(rq);
i915_vma_lock(vma);
@@ -2654,6 +2681,7 @@ static int create_gang(struct intel_engine_cs *engine,
return 0;
err_rq:
+ i915_vma_put(rq->batch);
i915_request_put(rq);
err_obj:
i915_gem_object_put(obj);
@@ -2750,6 +2778,7 @@ static int live_preempt_gang(void *arg)
err = -ETIME;
}
+ i915_vma_put(rq->batch);
i915_request_put(rq);
rq = n;
}
@@ -2763,6 +2792,331 @@ static int live_preempt_gang(void *arg)
return 0;
}
+static struct i915_vma *
+create_gpr_user(struct intel_engine_cs *engine,
+ struct i915_vma *result,
+ unsigned int offset)
+{
+ struct drm_i915_gem_object *obj;
+ struct i915_vma *vma;
+ u32 *cs;
+ int err;
+ int i;
+
+ obj = i915_gem_object_create_internal(engine->i915, 4096);
+ if (IS_ERR(obj))
+ return ERR_CAST(obj);
+
+ vma = i915_vma_instance(obj, result->vm, NULL);
+ if (IS_ERR(vma)) {
+ i915_gem_object_put(obj);
+ return vma;
+ }
+
+ err = i915_vma_pin(vma, 0, 0, PIN_USER);
+ if (err) {
+ i915_vma_put(vma);
+ return ERR_PTR(err);
+ }
+
+ cs = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ if (IS_ERR(cs)) {
+ i915_vma_put(vma);
+ return ERR_CAST(cs);
+ }
+
+ /* All GPR are clear for new contexts. We use GPR(0) as a constant */
+ *cs++ = MI_LOAD_REGISTER_IMM(1);
+ *cs++ = CS_GPR(engine, 0);
+ *cs++ = 1;
+
+ for (i = 1; i < NUM_GPR; i++) {
+ u64 addr;
+
+ /*
+ * Perform: GPR[i]++
+ *
+ * As we read and write into the context saved GPR[i], if
+ * we restart this batch buffer from an earlier point, we
+ * will repeat the increment and store a value > 1.
+ */
+ *cs++ = MI_MATH(4);
+ *cs++ = MI_MATH_LOAD(MI_MATH_REG_SRCA, MI_MATH_REG(i));
+ *cs++ = MI_MATH_LOAD(MI_MATH_REG_SRCB, MI_MATH_REG(0));
+ *cs++ = MI_MATH_ADD;
+ *cs++ = MI_MATH_STORE(MI_MATH_REG(i), MI_MATH_REG_ACCU);
+
+ addr = result->node.start + offset + i * sizeof(*cs);
+ *cs++ = MI_STORE_REGISTER_MEM_GEN8;
+ *cs++ = CS_GPR(engine, 2 * i);
+ *cs++ = lower_32_bits(addr);
+ *cs++ = upper_32_bits(addr);
+
+ *cs++ = MI_SEMAPHORE_WAIT |
+ MI_SEMAPHORE_POLL |
+ MI_SEMAPHORE_SAD_GTE_SDD;
+ *cs++ = i;
+ *cs++ = lower_32_bits(result->node.start);
+ *cs++ = upper_32_bits(result->node.start);
+ }
+
+ *cs++ = MI_BATCH_BUFFER_END;
+ i915_gem_object_flush_map(obj);
+ i915_gem_object_unpin_map(obj);
+
+ return vma;
+}
+
+static struct i915_vma *create_global(struct intel_gt *gt, size_t sz)
+{
+ struct drm_i915_gem_object *obj;
+ struct i915_vma *vma;
+ int err;
+
+ obj = i915_gem_object_create_internal(gt->i915, sz);
+ if (IS_ERR(obj))
+ return ERR_CAST(obj);
+
+ vma = i915_vma_instance(obj, &gt->ggtt->vm, NULL);
+ if (IS_ERR(vma)) {
+ i915_gem_object_put(obj);
+ return vma;
+ }
+
+ err = i915_ggtt_pin(vma, 0, 0);
+ if (err) {
+ i915_vma_put(vma);
+ return ERR_PTR(err);
+ }
+
+ return vma;
+}
+
+static struct i915_request *
+create_gpr_client(struct intel_engine_cs *engine,
+ struct i915_vma *global,
+ unsigned int offset)
+{
+ struct i915_vma *batch, *vma;
+ struct intel_context *ce;
+ struct i915_request *rq;
+ int err;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce))
+ return ERR_CAST(ce);
+
+ vma = i915_vma_instance(global->obj, ce->vm, NULL);
+ if (IS_ERR(vma)) {
+ err = PTR_ERR(vma);
+ goto out_ce;
+ }
+
+ err = i915_vma_pin(vma, 0, 0, PIN_USER);
+ if (err)
+ goto out_ce;
+
+ batch = create_gpr_user(engine, vma, offset);
+ if (IS_ERR(batch)) {
+ err = PTR_ERR(batch);
+ goto out_vma;
+ }
+
+ rq = intel_context_create_request(ce);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto out_batch;
+ }
+
+ i915_vma_lock(vma);
+ err = i915_request_await_object(rq, vma->obj, false);
+ if (!err)
+ err = i915_vma_move_to_active(vma, rq, 0);
+ i915_vma_unlock(vma);
+
+ i915_vma_lock(batch);
+ if (!err)
+ err = i915_request_await_object(rq, batch->obj, false);
+ if (!err)
+ err = i915_vma_move_to_active(batch, rq, 0);
+ if (!err)
+ err = rq->engine->emit_bb_start(rq,
+ batch->node.start,
+ PAGE_SIZE, 0);
+ i915_vma_unlock(batch);
+ i915_vma_unpin(batch);
+
+ if (!err)
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+out_batch:
+ i915_vma_put(batch);
+out_vma:
+ i915_vma_unpin(vma);
+out_ce:
+ intel_context_put(ce);
+ return err ? ERR_PTR(err) : rq;
+}
+
+static int preempt_user(struct intel_engine_cs *engine,
+ struct i915_vma *global,
+ int id)
+{
+ struct i915_sched_attr attr = {
+ .priority = I915_PRIORITY_MAX
+ };
+ struct i915_request *rq;
+ int err = 0;
+ u32 *cs;
+
+ rq = intel_engine_create_kernel_request(engine);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
+
+ cs = intel_ring_begin(rq, 4);
+ if (IS_ERR(cs)) {
+ i915_request_add(rq);
+ return PTR_ERR(cs);
+ }
+
+ *cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
+ *cs++ = i915_ggtt_offset(global);
+ *cs++ = 0;
+ *cs++ = id;
+
+ intel_ring_advance(rq, cs);
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ engine->schedule(rq, &attr);
+
+ if (i915_request_wait(rq, 0, HZ / 2) < 0)
+ err = -ETIME;
+ i915_request_put(rq);
+
+ return err;
+}
+
+static int live_preempt_user(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_engine_cs *engine;
+ struct i915_vma *global;
+ enum intel_engine_id id;
+ u32 *result;
+ int err = 0;
+
+ if (!HAS_LOGICAL_RING_PREEMPTION(gt->i915))
+ return 0;
+
+ /*
+ * In our other tests, we look at preemption in carefully
+ * controlled conditions in the ringbuffer. Since most of the
+ * time is spent in user batches, most of our preemptions naturally
+ * occur there. We want to verify that when we preempt inside a batch
+ * we continue on from the current instruction and do not roll back
+ * to the start, or another earlier arbitration point.
+ *
+ * To verify this, we create a batch which is a mixture of
+ * MI_MATH (gpr++) MI_SRM (gpr) and preemption points. Then with
+ * a few preempting contexts thrown into the mix, we look for any
+ * repeated instructions (which show up as incorrect values).
+ */
+
+ global = create_global(gt, 4096);
+ if (IS_ERR(global))
+ return PTR_ERR(global);
+
+ result = i915_gem_object_pin_map(global->obj, I915_MAP_WC);
+ if (IS_ERR(result)) {
+ i915_vma_unpin_and_release(&global, 0);
+ return PTR_ERR(result);
+ }
+
+ for_each_engine(engine, gt, id) {
+ struct i915_request *client[3] = {};
+ struct igt_live_test t;
+ int i;
+
+ if (!intel_engine_has_preemption(engine))
+ continue;
+
+ if (IS_GEN(gt->i915, 8) && engine->class != RENDER_CLASS)
+ continue; /* we need per-context GPR */
+
+ if (igt_live_test_begin(&t, gt->i915, __func__, engine->name)) {
+ err = -EIO;
+ break;
+ }
+
+ memset(result, 0, 4096);
+
+ for (i = 0; i < ARRAY_SIZE(client); i++) {
+ struct i915_request *rq;
+
+ rq = create_gpr_client(engine, global,
+ NUM_GPR * i * sizeof(u32));
+ if (IS_ERR(rq))
+ goto end_test;
+
+ client[i] = rq;
+ }
+
+ /* Continuously preempt the set of 3 running contexts */
+ for (i = 1; i <= NUM_GPR; i++) {
+ err = preempt_user(engine, global, i);
+ if (err)
+ goto end_test;
+ }
+
+ if (READ_ONCE(result[0]) != NUM_GPR) {
+ pr_err("%s: Failed to release semaphore\n",
+ engine->name);
+ err = -EIO;
+ goto end_test;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(client); i++) {
+ int gpr;
+
+ if (i915_request_wait(client[i], 0, HZ / 2) < 0) {
+ err = -ETIME;
+ goto end_test;
+ }
+
+ for (gpr = 1; gpr < NUM_GPR; gpr++) {
+ if (result[NUM_GPR * i + gpr] != 1) {
+ pr_err("%s: Invalid result, client %d, gpr %d, result: %d\n",
+ engine->name,
+ i, gpr, result[NUM_GPR * i + gpr]);
+ err = -EINVAL;
+ goto end_test;
+ }
+ }
+ }
+
+end_test:
+ for (i = 0; i < ARRAY_SIZE(client); i++) {
+ if (!client[i])
+ break;
+
+ i915_request_put(client[i]);
+ }
+
+ /* Flush the semaphores on error */
+ smp_store_mb(result[0], -1);
+ if (igt_live_test_end(&t))
+ err = -EIO;
+ if (err)
+ break;
+ }
+
+ i915_vma_unpin_and_release(&global, I915_VMA_RELEASE_MAP);
+ return err;
+}
+
static int live_preempt_timeout(void *arg)
{
struct intel_gt *gt = arg;
@@ -3970,6 +4324,7 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915)
SUBTEST(live_chain_preempt),
SUBTEST(live_preempt_gang),
SUBTEST(live_preempt_timeout),
+ SUBTEST(live_preempt_user),
SUBTEST(live_preempt_smoke),
SUBTEST(live_virtual_engine),
SUBTEST(live_virtual_mask),
@@ -3987,35 +4342,6 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915)
return intel_gt_live_subtests(tests, &i915->gt);
}
-static void hexdump(const void *buf, size_t len)
-{
- const size_t rowsize = 8 * sizeof(u32);
- const void *prev = NULL;
- bool skip = false;
- size_t pos;
-
- for (pos = 0; pos < len; pos += rowsize) {
- char line[128];
-
- if (prev && !memcmp(prev, buf + pos, rowsize)) {
- if (!skip) {
- pr_info("*\n");
- skip = true;
- }
- continue;
- }
-
- WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos,
- rowsize, sizeof(u32),
- line, sizeof(line),
- false) >= sizeof(line));
- pr_info("[%04zx] %s\n", pos, line);
-
- prev = buf + pos;
- skip = false;
- }
-}
-
static int emit_semaphore_signal(struct intel_context *ce, void *slot)
{
const u32 offset =
@@ -4097,13 +4423,12 @@ static int live_lrc_layout(void *arg)
if (!engine->default_state)
continue;
- hw = i915_gem_object_pin_map(engine->default_state,
- I915_MAP_WB);
+ hw = shmem_pin_map(engine->default_state);
if (IS_ERR(hw)) {
err = PTR_ERR(hw);
break;
}
- hw += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ hw += LRC_STATE_OFFSET / sizeof(*hw);
execlists_init_reg_state(memset(lrc, POISON_INUSE, PAGE_SIZE),
engine->kernel_context,
@@ -4164,13 +4489,13 @@ static int live_lrc_layout(void *arg)
if (err) {
pr_info("%s: HW register image:\n", engine->name);
- hexdump(hw, PAGE_SIZE);
+ igt_hexdump(hw, PAGE_SIZE);
pr_info("%s: SW register image:\n", engine->name);
- hexdump(lrc, PAGE_SIZE);
+ igt_hexdump(lrc, PAGE_SIZE);
}
- i915_gem_object_unpin_map(engine->default_state);
+ shmem_unpin_map(engine->default_state, hw);
if (err)
break;
}
@@ -4239,10 +4564,35 @@ static int live_lrc_fixed(void *arg)
"BB_STATE"
},
{
+ i915_mmio_reg_offset(RING_BB_PER_CTX_PTR(engine->mmio_base)),
+ lrc_ring_wa_bb_per_ctx(engine),
+ "RING_BB_PER_CTX_PTR"
+ },
+ {
+ i915_mmio_reg_offset(RING_INDIRECT_CTX(engine->mmio_base)),
+ lrc_ring_indirect_ptr(engine),
+ "RING_INDIRECT_CTX_PTR"
+ },
+ {
+ i915_mmio_reg_offset(RING_INDIRECT_CTX_OFFSET(engine->mmio_base)),
+ lrc_ring_indirect_offset(engine),
+ "RING_INDIRECT_CTX_OFFSET"
+ },
+ {
i915_mmio_reg_offset(RING_CTX_TIMESTAMP(engine->mmio_base)),
CTX_TIMESTAMP - 1,
"RING_CTX_TIMESTAMP"
},
+ {
+ i915_mmio_reg_offset(GEN8_RING_CS_GPR(engine->mmio_base, 0)),
+ lrc_ring_gpr0(engine),
+ "RING_CS_GPR0"
+ },
+ {
+ i915_mmio_reg_offset(RING_CMD_BUF_CCTL(engine->mmio_base)),
+ lrc_ring_cmd_buf_cctl(engine),
+ "RING_CMD_BUF_CCTL"
+ },
{ },
}, *t;
u32 *hw;
@@ -4250,13 +4600,12 @@ static int live_lrc_fixed(void *arg)
if (!engine->default_state)
continue;
- hw = i915_gem_object_pin_map(engine->default_state,
- I915_MAP_WB);
+ hw = shmem_pin_map(engine->default_state);
if (IS_ERR(hw)) {
err = PTR_ERR(hw);
break;
}
- hw += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ hw += LRC_STATE_OFFSET / sizeof(*hw);
for (t = tbl; t->name; t++) {
int dw = find_offset(hw, t->reg);
@@ -4272,7 +4621,7 @@ static int live_lrc_fixed(void *arg)
}
}
- i915_gem_object_unpin_map(engine->default_state);
+ shmem_unpin_map(engine->default_state, hw);
}
return err;
@@ -4828,6 +5177,7 @@ store_context(struct intel_context *ce, struct i915_vma *scratch)
{
struct i915_vma *batch;
u32 dw, x, *cs, *hw;
+ u32 *defaults;
batch = create_user_vma(ce->vm, SZ_64K);
if (IS_ERR(batch))
@@ -4839,10 +5189,17 @@ store_context(struct intel_context *ce, struct i915_vma *scratch)
return ERR_CAST(cs);
}
+ defaults = shmem_pin_map(ce->engine->default_state);
+ if (!defaults) {
+ i915_gem_object_unpin_map(batch->obj);
+ i915_vma_put(batch);
+ return ERR_PTR(-ENOMEM);
+ }
+
x = 0;
dw = 0;
- hw = ce->engine->pinned_default_state;
- hw += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ hw = defaults;
+ hw += LRC_STATE_OFFSET / sizeof(*hw);
do {
u32 len = hw[dw] & 0x7f;
@@ -4872,6 +5229,8 @@ store_context(struct intel_context *ce, struct i915_vma *scratch)
*cs++ = MI_BATCH_BUFFER_END;
+ shmem_unpin_map(ce->engine->default_state, defaults);
+
i915_gem_object_flush_map(batch->obj);
i915_gem_object_unpin_map(batch->obj);
@@ -4982,6 +5341,7 @@ static struct i915_vma *load_context(struct intel_context *ce, u32 poison)
{
struct i915_vma *batch;
u32 dw, *cs, *hw;
+ u32 *defaults;
batch = create_user_vma(ce->vm, SZ_64K);
if (IS_ERR(batch))
@@ -4993,9 +5353,16 @@ static struct i915_vma *load_context(struct intel_context *ce, u32 poison)
return ERR_CAST(cs);
}
+ defaults = shmem_pin_map(ce->engine->default_state);
+ if (!defaults) {
+ i915_gem_object_unpin_map(batch->obj);
+ i915_vma_put(batch);
+ return ERR_PTR(-ENOMEM);
+ }
+
dw = 0;
- hw = ce->engine->pinned_default_state;
- hw += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ hw = defaults;
+ hw += LRC_STATE_OFFSET / sizeof(*hw);
do {
u32 len = hw[dw] & 0x7f;
@@ -5022,6 +5389,8 @@ static struct i915_vma *load_context(struct intel_context *ce, u32 poison)
*cs++ = MI_BATCH_BUFFER_END;
+ shmem_unpin_map(ce->engine->default_state, defaults);
+
i915_gem_object_flush_map(batch->obj);
i915_gem_object_unpin_map(batch->obj);
@@ -5089,6 +5458,7 @@ static int compare_isolation(struct intel_engine_cs *engine,
{
u32 x, dw, *hw, *lrc;
u32 *A[2], *B[2];
+ u32 *defaults;
int err = 0;
A[0] = i915_gem_object_pin_map(ref[0]->obj, I915_MAP_WC);
@@ -5119,12 +5489,18 @@ static int compare_isolation(struct intel_engine_cs *engine,
err = PTR_ERR(lrc);
goto err_B1;
}
- lrc += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ lrc += LRC_STATE_OFFSET / sizeof(*hw);
+
+ defaults = shmem_pin_map(ce->engine->default_state);
+ if (!defaults) {
+ err = -ENOMEM;
+ goto err_lrc;
+ }
x = 0;
dw = 0;
- hw = engine->pinned_default_state;
- hw += LRC_STATE_PN * PAGE_SIZE / sizeof(*hw);
+ hw = defaults;
+ hw += LRC_STATE_OFFSET / sizeof(*hw);
do {
u32 len = hw[dw] & 0x7f;
@@ -5155,7 +5531,6 @@ static int compare_isolation(struct intel_engine_cs *engine,
A[0][x], B[0][x], B[1][x],
poison, lrc[dw + 1]);
err = -EINVAL;
- break;
}
}
dw += 2;
@@ -5164,6 +5539,8 @@ static int compare_isolation(struct intel_engine_cs *engine,
} while (dw < PAGE_SIZE / sizeof(u32) &&
(hw[dw] & ~BIT(0)) != MI_BATCH_BUFFER_END);
+ shmem_unpin_map(ce->engine->default_state, defaults);
+err_lrc:
i915_gem_object_unpin_map(ce->state->obj);
err_B1:
i915_gem_object_unpin_map(result[1]->obj);
@@ -5294,6 +5671,7 @@ static int live_lrc_isolation(void *arg)
0xffffffff,
0xffff0000,
};
+ int err = 0;
/*
* Our goal is try and verify that per-context state cannot be
@@ -5304,7 +5682,6 @@ static int live_lrc_isolation(void *arg)
*/
for_each_engine(engine, gt, id) {
- int err = 0;
int i;
/* Just don't even ask */
@@ -5313,25 +5690,180 @@ static int live_lrc_isolation(void *arg)
continue;
intel_engine_pm_get(engine);
- if (engine->pinned_default_state) {
- for (i = 0; i < ARRAY_SIZE(poison); i++) {
- err = __lrc_isolation(engine, poison[i]);
- if (err)
- break;
+ for (i = 0; i < ARRAY_SIZE(poison); i++) {
+ int result;
- err = __lrc_isolation(engine, ~poison[i]);
- if (err)
- break;
- }
+ result = __lrc_isolation(engine, poison[i]);
+ if (result && !err)
+ err = result;
+
+ result = __lrc_isolation(engine, ~poison[i]);
+ if (result && !err)
+ err = result;
+ }
+ intel_engine_pm_put(engine);
+ if (igt_flush_test(gt->i915)) {
+ err = -EIO;
+ break;
}
+ }
+
+ return err;
+}
+
+static int indirect_ctx_submit_req(struct intel_context *ce)
+{
+ struct i915_request *rq;
+ int err = 0;
+
+ rq = intel_context_create_request(ce);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ if (i915_request_wait(rq, 0, HZ / 5) < 0)
+ err = -ETIME;
+
+ i915_request_put(rq);
+
+ return err;
+}
+
+#define CTX_BB_CANARY_OFFSET (3 * 1024)
+#define CTX_BB_CANARY_INDEX (CTX_BB_CANARY_OFFSET / sizeof(u32))
+
+static u32 *
+emit_indirect_ctx_bb_canary(const struct intel_context *ce, u32 *cs)
+{
+ *cs++ = MI_STORE_REGISTER_MEM_GEN8 |
+ MI_SRM_LRM_GLOBAL_GTT |
+ MI_LRI_LRM_CS_MMIO;
+ *cs++ = i915_mmio_reg_offset(RING_START(0));
+ *cs++ = i915_ggtt_offset(ce->state) +
+ context_wa_bb_offset(ce) +
+ CTX_BB_CANARY_OFFSET;
+ *cs++ = 0;
+
+ return cs;
+}
+
+static void
+indirect_ctx_bb_setup(struct intel_context *ce)
+{
+ u32 *cs = context_indirect_bb(ce);
+
+ cs[CTX_BB_CANARY_INDEX] = 0xdeadf00d;
+
+ setup_indirect_ctx_bb(ce, ce->engine, emit_indirect_ctx_bb_canary);
+}
+
+static bool check_ring_start(struct intel_context *ce)
+{
+ const u32 * const ctx_bb = (void *)(ce->lrc_reg_state) -
+ LRC_STATE_OFFSET + context_wa_bb_offset(ce);
+
+ if (ctx_bb[CTX_BB_CANARY_INDEX] == ce->lrc_reg_state[CTX_RING_START])
+ return true;
+
+ pr_err("ring start mismatch: canary 0x%08x vs state 0x%08x\n",
+ ctx_bb[CTX_BB_CANARY_INDEX],
+ ce->lrc_reg_state[CTX_RING_START]);
+
+ return false;
+}
+
+static int indirect_ctx_bb_check(struct intel_context *ce)
+{
+ int err;
+
+ err = indirect_ctx_submit_req(ce);
+ if (err)
+ return err;
+
+ if (!check_ring_start(ce))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int __live_lrc_indirect_ctx_bb(struct intel_engine_cs *engine)
+{
+ struct intel_context *a, *b;
+ int err;
+
+ a = intel_context_create(engine);
+ if (IS_ERR(a))
+ return PTR_ERR(a);
+ err = intel_context_pin(a);
+ if (err)
+ goto put_a;
+
+ b = intel_context_create(engine);
+ if (IS_ERR(b)) {
+ err = PTR_ERR(b);
+ goto unpin_a;
+ }
+ err = intel_context_pin(b);
+ if (err)
+ goto put_b;
+
+ /* We use the already reserved extra page in context state */
+ if (!a->wa_bb_page) {
+ GEM_BUG_ON(b->wa_bb_page);
+ GEM_BUG_ON(INTEL_GEN(engine->i915) == 12);
+ goto unpin_b;
+ }
+
+ /*
+ * In order to test that our per context bb is truly per context,
+ * and executes at the intended spot on context restoring process,
+ * make the batch store the ring start value to memory.
+ * As ring start is restored apriori of starting the indirect ctx bb and
+ * as it will be different for each context, it fits to this purpose.
+ */
+ indirect_ctx_bb_setup(a);
+ indirect_ctx_bb_setup(b);
+
+ err = indirect_ctx_bb_check(a);
+ if (err)
+ goto unpin_b;
+
+ err = indirect_ctx_bb_check(b);
+
+unpin_b:
+ intel_context_unpin(b);
+put_b:
+ intel_context_put(b);
+unpin_a:
+ intel_context_unpin(a);
+put_a:
+ intel_context_put(a);
+
+ return err;
+}
+
+static int live_lrc_indirect_ctx_bb(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ int err = 0;
+
+ for_each_engine(engine, gt, id) {
+ intel_engine_pm_get(engine);
+ err = __live_lrc_indirect_ctx_bb(engine);
intel_engine_pm_put(engine);
+
if (igt_flush_test(gt->i915))
err = -EIO;
+
if (err)
- return err;
+ break;
}
- return 0;
+ return err;
}
static void garbage_reset(struct intel_engine_cs *engine,
@@ -5365,7 +5897,7 @@ static struct i915_request *garbage(struct intel_context *ce,
prandom_bytes_state(prng,
ce->lrc_reg_state,
ce->engine->context_size -
- LRC_STATE_PN * PAGE_SIZE);
+ LRC_STATE_OFFSET);
rq = intel_context_create_request(ce);
if (IS_ERR(rq)) {
@@ -5569,6 +6101,7 @@ int intel_lrc_live_selftests(struct drm_i915_private *i915)
SUBTEST(live_lrc_timestamp),
SUBTEST(live_lrc_garbage),
SUBTEST(live_pphwsp_runtime),
+ SUBTEST(live_lrc_indirect_ctx_bb),
};
if (!HAS_LOGICAL_RING_CONTEXTS(i915))
diff --git a/drivers/gpu/drm/i915/gt/selftest_rc6.c b/drivers/gpu/drm/i915/gt/selftest_rc6.c
index 95b165faeba7..2dc460624bbc 100644
--- a/drivers/gpu/drm/i915/gt/selftest_rc6.c
+++ b/drivers/gpu/drm/i915/gt/selftest_rc6.c
@@ -11,6 +11,7 @@
#include "selftest_rc6.h"
#include "selftests/i915_random.h"
+#include "selftests/librapl.h"
static u64 rc6_residency(struct intel_rc6 *rc6)
{
@@ -31,7 +32,9 @@ int live_rc6_manual(void *arg)
{
struct intel_gt *gt = arg;
struct intel_rc6 *rc6 = &gt->rc6;
+ u64 rc0_power, rc6_power;
intel_wakeref_t wakeref;
+ ktime_t dt;
u64 res[2];
int err = 0;
@@ -54,7 +57,12 @@ int live_rc6_manual(void *arg)
msleep(1); /* wakeup is not immediate, takes about 100us on icl */
res[0] = rc6_residency(rc6);
+
+ dt = ktime_get();
+ rc0_power = librapl_energy_uJ();
msleep(250);
+ rc0_power = librapl_energy_uJ() - rc0_power;
+ dt = ktime_sub(ktime_get(), dt);
res[1] = rc6_residency(rc6);
if ((res[1] - res[0]) >> 10) {
pr_err("RC6 residency increased by %lldus while disabled for 250ms!\n",
@@ -63,13 +71,24 @@ int live_rc6_manual(void *arg)
goto out_unlock;
}
+ rc0_power = div64_u64(NSEC_PER_SEC * rc0_power, ktime_to_ns(dt));
+ if (!rc0_power) {
+ pr_err("No power measured while in RC0\n");
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
/* Manually enter RC6 */
intel_rc6_park(rc6);
res[0] = rc6_residency(rc6);
+ intel_uncore_forcewake_flush(rc6_to_uncore(rc6), FORCEWAKE_ALL);
+ dt = ktime_get();
+ rc6_power = librapl_energy_uJ();
msleep(100);
+ rc6_power = librapl_energy_uJ() - rc6_power;
+ dt = ktime_sub(ktime_get(), dt);
res[1] = rc6_residency(rc6);
-
if (res[1] == res[0]) {
pr_err("Did not enter RC6! RC6_STATE=%08x, RC6_CONTROL=%08x, residency=%lld\n",
intel_uncore_read_fw(gt->uncore, GEN6_RC_STATE),
@@ -78,6 +97,15 @@ int live_rc6_manual(void *arg)
err = -EINVAL;
}
+ rc6_power = div64_u64(NSEC_PER_SEC * rc6_power, ktime_to_ns(dt));
+ pr_info("GPU consumed %llduW in RC0 and %llduW in RC6\n",
+ rc0_power, rc6_power);
+ if (2 * rc6_power > rc0_power) {
+ pr_err("GPU leaked energy while in RC6!\n");
+ err = -EINVAL;
+ goto out_unlock;
+ }
+
/* Restore what should have been the original state! */
intel_rc6_unpark(rc6);
diff --git a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
index 9995faadd7e8..3350e7c995bc 100644
--- a/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/selftest_ring_submission.c
@@ -54,6 +54,8 @@ static struct i915_vma *create_wally(struct intel_engine_cs *engine)
*cs++ = STACK_MAGIC;
*cs++ = MI_BATCH_BUFFER_END;
+
+ i915_gem_object_flush_map(obj);
i915_gem_object_unpin_map(obj);
vma->private = intel_context_create(engine); /* dummy residuals */
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.c b/drivers/gpu/drm/i915/gt/selftest_rps.c
new file mode 100644
index 000000000000..6275d69aa9cc
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/selftest_rps.c
@@ -0,0 +1,1331 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/pm_qos.h>
+#include <linux/sort.h>
+
+#include "intel_engine_heartbeat.h"
+#include "intel_engine_pm.h"
+#include "intel_gpu_commands.h"
+#include "intel_gt_clock_utils.h"
+#include "intel_gt_pm.h"
+#include "intel_rc6.h"
+#include "selftest_rps.h"
+#include "selftests/igt_flush_test.h"
+#include "selftests/igt_spinner.h"
+#include "selftests/librapl.h"
+
+/* Try to isolate the impact of cstates from determing frequency response */
+#define CPU_LATENCY 0 /* -1 to disable pm_qos, 0 to disable cstates */
+
+static unsigned long engine_heartbeat_disable(struct intel_engine_cs *engine)
+{
+ unsigned long old;
+
+ old = fetch_and_zero(&engine->props.heartbeat_interval_ms);
+
+ intel_engine_pm_get(engine);
+ intel_engine_park_heartbeat(engine);
+
+ return old;
+}
+
+static void engine_heartbeat_enable(struct intel_engine_cs *engine,
+ unsigned long saved)
+{
+ intel_engine_pm_put(engine);
+
+ engine->props.heartbeat_interval_ms = saved;
+}
+
+static void dummy_rps_work(struct work_struct *wrk)
+{
+}
+
+static int cmp_u64(const void *A, const void *B)
+{
+ const u64 *a = A, *b = B;
+
+ if (a < b)
+ return -1;
+ else if (a > b)
+ return 1;
+ else
+ return 0;
+}
+
+static int cmp_u32(const void *A, const void *B)
+{
+ const u32 *a = A, *b = B;
+
+ if (a < b)
+ return -1;
+ else if (a > b)
+ return 1;
+ else
+ return 0;
+}
+
+static struct i915_vma *
+create_spin_counter(struct intel_engine_cs *engine,
+ struct i915_address_space *vm,
+ bool srm,
+ u32 **cancel,
+ u32 **counter)
+{
+ enum {
+ COUNT,
+ INC,
+ __NGPR__,
+ };
+#define CS_GPR(x) GEN8_RING_CS_GPR(engine->mmio_base, x)
+ struct drm_i915_gem_object *obj;
+ struct i915_vma *vma;
+ unsigned long end;
+ u32 *base, *cs;
+ int loop, i;
+ int err;
+
+ obj = i915_gem_object_create_internal(vm->i915, 64 << 10);
+ if (IS_ERR(obj))
+ return ERR_CAST(obj);
+
+ end = obj->base.size / sizeof(u32) - 1;
+
+ vma = i915_vma_instance(obj, vm, NULL);
+ if (IS_ERR(vma)) {
+ i915_gem_object_put(obj);
+ return vma;
+ }
+
+ err = i915_vma_pin(vma, 0, 0, PIN_USER);
+ if (err) {
+ i915_vma_put(vma);
+ return ERR_PTR(err);
+ }
+
+ base = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ if (IS_ERR(base)) {
+ i915_gem_object_put(obj);
+ return ERR_CAST(base);
+ }
+ cs = base;
+
+ *cs++ = MI_LOAD_REGISTER_IMM(__NGPR__ * 2);
+ for (i = 0; i < __NGPR__; i++) {
+ *cs++ = i915_mmio_reg_offset(CS_GPR(i));
+ *cs++ = 0;
+ *cs++ = i915_mmio_reg_offset(CS_GPR(i)) + 4;
+ *cs++ = 0;
+ }
+
+ *cs++ = MI_LOAD_REGISTER_IMM(1);
+ *cs++ = i915_mmio_reg_offset(CS_GPR(INC));
+ *cs++ = 1;
+
+ loop = cs - base;
+
+ /* Unroll the loop to avoid MI_BB_START stalls impacting measurements */
+ for (i = 0; i < 1024; i++) {
+ *cs++ = MI_MATH(4);
+ *cs++ = MI_MATH_LOAD(MI_MATH_REG_SRCA, MI_MATH_REG(COUNT));
+ *cs++ = MI_MATH_LOAD(MI_MATH_REG_SRCB, MI_MATH_REG(INC));
+ *cs++ = MI_MATH_ADD;
+ *cs++ = MI_MATH_STORE(MI_MATH_REG(COUNT), MI_MATH_REG_ACCU);
+
+ if (srm) {
+ *cs++ = MI_STORE_REGISTER_MEM_GEN8;
+ *cs++ = i915_mmio_reg_offset(CS_GPR(COUNT));
+ *cs++ = lower_32_bits(vma->node.start + end * sizeof(*cs));
+ *cs++ = upper_32_bits(vma->node.start + end * sizeof(*cs));
+ }
+ }
+
+ *cs++ = MI_BATCH_BUFFER_START_GEN8;
+ *cs++ = lower_32_bits(vma->node.start + loop * sizeof(*cs));
+ *cs++ = upper_32_bits(vma->node.start + loop * sizeof(*cs));
+ GEM_BUG_ON(cs - base > end);
+
+ i915_gem_object_flush_map(obj);
+
+ *cancel = base + loop;
+ *counter = srm ? memset32(base + end, 0, 1) : NULL;
+ return vma;
+}
+
+static u8 wait_for_freq(struct intel_rps *rps, u8 freq, int timeout_ms)
+{
+ u8 history[64], i;
+ unsigned long end;
+ int sleep;
+
+ i = 0;
+ memset(history, freq, sizeof(history));
+ sleep = 20;
+
+ /* The PCU does not change instantly, but drifts towards the goal? */
+ end = jiffies + msecs_to_jiffies(timeout_ms);
+ do {
+ u8 act;
+
+ act = read_cagf(rps);
+ if (time_after(jiffies, end))
+ return act;
+
+ /* Target acquired */
+ if (act == freq)
+ return act;
+
+ /* Any change within the last N samples? */
+ if (!memchr_inv(history, act, sizeof(history)))
+ return act;
+
+ history[i] = act;
+ i = (i + 1) % ARRAY_SIZE(history);
+
+ usleep_range(sleep, 2 * sleep);
+ sleep *= 2;
+ if (sleep > timeout_ms * 20)
+ sleep = timeout_ms * 20;
+ } while (1);
+}
+
+static u8 rps_set_check(struct intel_rps *rps, u8 freq)
+{
+ mutex_lock(&rps->lock);
+ GEM_BUG_ON(!intel_rps_is_active(rps));
+ intel_rps_set(rps, freq);
+ GEM_BUG_ON(rps->last_freq != freq);
+ mutex_unlock(&rps->lock);
+
+ return wait_for_freq(rps, freq, 50);
+}
+
+static void show_pstate_limits(struct intel_rps *rps)
+{
+ struct drm_i915_private *i915 = rps_to_i915(rps);
+
+ if (IS_BROXTON(i915)) {
+ pr_info("P_STATE_CAP[%x]: 0x%08x\n",
+ i915_mmio_reg_offset(BXT_RP_STATE_CAP),
+ intel_uncore_read(rps_to_uncore(rps),
+ BXT_RP_STATE_CAP));
+ } else if (IS_GEN(i915, 9)) {
+ pr_info("P_STATE_LIMITS[%x]: 0x%08x\n",
+ i915_mmio_reg_offset(GEN9_RP_STATE_LIMITS),
+ intel_uncore_read(rps_to_uncore(rps),
+ GEN9_RP_STATE_LIMITS));
+ }
+}
+
+int live_rps_clock_interval(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_spinner spin;
+ int err = 0;
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (igt_spinner_init(&spin, gt))
+ return -ENOMEM;
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ intel_gt_pm_get(gt);
+ intel_rps_disable(&gt->rps);
+
+ intel_gt_check_clock_frequency(gt);
+
+ for_each_engine(engine, gt, id) {
+ unsigned long saved_heartbeat;
+ struct i915_request *rq;
+ u32 cycles;
+ u64 dt;
+
+ if (!intel_engine_can_store_dword(engine))
+ continue;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ rq = igt_spinner_create_request(&spin,
+ engine->kernel_context,
+ MI_NOOP);
+ if (IS_ERR(rq)) {
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_add(rq);
+
+ if (!igt_wait_for_spinner(&spin, rq)) {
+ pr_err("%s: RPS spinner did not start\n",
+ engine->name);
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ intel_gt_set_wedged(engine->gt);
+ err = -EIO;
+ break;
+ }
+
+ intel_uncore_forcewake_get(gt->uncore, FORCEWAKE_ALL);
+
+ intel_uncore_write_fw(gt->uncore, GEN6_RP_CUR_UP_EI, 0);
+
+ /* Set the evaluation interval to infinity! */
+ intel_uncore_write_fw(gt->uncore,
+ GEN6_RP_UP_EI, 0xffffffff);
+ intel_uncore_write_fw(gt->uncore,
+ GEN6_RP_UP_THRESHOLD, 0xffffffff);
+
+ intel_uncore_write_fw(gt->uncore, GEN6_RP_CONTROL,
+ GEN6_RP_ENABLE | GEN6_RP_UP_BUSY_AVG);
+
+ if (wait_for(intel_uncore_read_fw(gt->uncore,
+ GEN6_RP_CUR_UP_EI),
+ 10)) {
+ /* Just skip the test; assume lack of HW support */
+ pr_notice("%s: rps evaluation interval not ticking\n",
+ engine->name);
+ err = -ENODEV;
+ } else {
+ ktime_t dt_[5];
+ u32 cycles_[5];
+ int i;
+
+ for (i = 0; i < 5; i++) {
+ preempt_disable();
+
+ dt_[i] = ktime_get();
+ cycles_[i] = -intel_uncore_read_fw(gt->uncore, GEN6_RP_CUR_UP_EI);
+
+ udelay(1000);
+
+ dt_[i] = ktime_sub(ktime_get(), dt_[i]);
+ cycles_[i] += intel_uncore_read_fw(gt->uncore, GEN6_RP_CUR_UP_EI);
+
+ preempt_enable();
+ }
+
+ /* Use the median of both cycle/dt; close enough */
+ sort(cycles_, 5, sizeof(*cycles_), cmp_u32, NULL);
+ cycles = (cycles_[1] + 2 * cycles_[2] + cycles_[3]) / 4;
+ sort(dt_, 5, sizeof(*dt_), cmp_u64, NULL);
+ dt = div_u64(dt_[1] + 2 * dt_[2] + dt_[3], 4);
+ }
+
+ intel_uncore_write_fw(gt->uncore, GEN6_RP_CONTROL, 0);
+ intel_uncore_forcewake_put(gt->uncore, FORCEWAKE_ALL);
+
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+
+ if (err == 0) {
+ u64 time = intel_gt_pm_interval_to_ns(gt, cycles);
+ u32 expected =
+ intel_gt_ns_to_pm_interval(gt, dt);
+
+ pr_info("%s: rps counted %d C0 cycles [%lldns] in %lldns [%d cycles], using GT clock frequency of %uKHz\n",
+ engine->name, cycles, time, dt, expected,
+ gt->clock_frequency / 1000);
+
+ if (10 * time < 8 * dt ||
+ 8 * time > 10 * dt) {
+ pr_err("%s: rps clock time does not match walltime!\n",
+ engine->name);
+ err = -EINVAL;
+ }
+
+ if (10 * expected < 8 * cycles ||
+ 8 * expected > 10 * cycles) {
+ pr_err("%s: walltime does not match rps clock ticks!\n",
+ engine->name);
+ err = -EINVAL;
+ }
+ }
+
+ if (igt_flush_test(gt->i915))
+ err = -EIO;
+
+ break; /* once is enough */
+ }
+
+ intel_rps_enable(&gt->rps);
+ intel_gt_pm_put(gt);
+
+ igt_spinner_fini(&spin);
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ if (err == -ENODEV) /* skipped, don't report a fail */
+ err = 0;
+
+ return err;
+}
+
+int live_rps_control(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_spinner spin;
+ int err = 0;
+
+ /*
+ * Check that the actual frequency matches our requested frequency,
+ * to verify our control mechanism. We have to be careful that the
+ * PCU may throttle the GPU in which case the actual frequency used
+ * will be lowered than requested.
+ */
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (IS_CHERRYVIEW(gt->i915)) /* XXX fragile PCU */
+ return 0;
+
+ if (igt_spinner_init(&spin, gt))
+ return -ENOMEM;
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ intel_gt_pm_get(gt);
+ for_each_engine(engine, gt, id) {
+ unsigned long saved_heartbeat;
+ struct i915_request *rq;
+ ktime_t min_dt, max_dt;
+ int f, limit;
+ int min, max;
+
+ if (!intel_engine_can_store_dword(engine))
+ continue;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ rq = igt_spinner_create_request(&spin,
+ engine->kernel_context,
+ MI_NOOP);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_add(rq);
+
+ if (!igt_wait_for_spinner(&spin, rq)) {
+ pr_err("%s: RPS spinner did not start\n",
+ engine->name);
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ intel_gt_set_wedged(engine->gt);
+ err = -EIO;
+ break;
+ }
+
+ if (rps_set_check(rps, rps->min_freq) != rps->min_freq) {
+ pr_err("%s: could not set minimum frequency [%x], only %x!\n",
+ engine->name, rps->min_freq, read_cagf(rps));
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ show_pstate_limits(rps);
+ err = -EINVAL;
+ break;
+ }
+
+ for (f = rps->min_freq + 1; f < rps->max_freq; f++) {
+ if (rps_set_check(rps, f) < f)
+ break;
+ }
+
+ limit = rps_set_check(rps, f);
+
+ if (rps_set_check(rps, rps->min_freq) != rps->min_freq) {
+ pr_err("%s: could not restore minimum frequency [%x], only %x!\n",
+ engine->name, rps->min_freq, read_cagf(rps));
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ show_pstate_limits(rps);
+ err = -EINVAL;
+ break;
+ }
+
+ max_dt = ktime_get();
+ max = rps_set_check(rps, limit);
+ max_dt = ktime_sub(ktime_get(), max_dt);
+
+ min_dt = ktime_get();
+ min = rps_set_check(rps, rps->min_freq);
+ min_dt = ktime_sub(ktime_get(), min_dt);
+
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+
+ pr_info("%s: range:[%x:%uMHz, %x:%uMHz] limit:[%x:%uMHz], %x:%x response %lluns:%lluns\n",
+ engine->name,
+ rps->min_freq, intel_gpu_freq(rps, rps->min_freq),
+ rps->max_freq, intel_gpu_freq(rps, rps->max_freq),
+ limit, intel_gpu_freq(rps, limit),
+ min, max, ktime_to_ns(min_dt), ktime_to_ns(max_dt));
+
+ if (limit == rps->min_freq) {
+ pr_err("%s: GPU throttled to minimum!\n",
+ engine->name);
+ show_pstate_limits(rps);
+ err = -ENODEV;
+ break;
+ }
+
+ if (igt_flush_test(gt->i915)) {
+ err = -EIO;
+ break;
+ }
+ }
+ intel_gt_pm_put(gt);
+
+ igt_spinner_fini(&spin);
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ return err;
+}
+
+static void show_pcu_config(struct intel_rps *rps)
+{
+ struct drm_i915_private *i915 = rps_to_i915(rps);
+ unsigned int max_gpu_freq, min_gpu_freq;
+ intel_wakeref_t wakeref;
+ int gpu_freq;
+
+ if (!HAS_LLC(i915))
+ return;
+
+ min_gpu_freq = rps->min_freq;
+ max_gpu_freq = rps->max_freq;
+ if (INTEL_GEN(i915) >= 9) {
+ /* Convert GT frequency to 50 HZ units */
+ min_gpu_freq /= GEN9_FREQ_SCALER;
+ max_gpu_freq /= GEN9_FREQ_SCALER;
+ }
+
+ wakeref = intel_runtime_pm_get(rps_to_uncore(rps)->rpm);
+
+ pr_info("%5s %5s %5s\n", "GPU", "eCPU", "eRing");
+ for (gpu_freq = min_gpu_freq; gpu_freq <= max_gpu_freq; gpu_freq++) {
+ int ia_freq = gpu_freq;
+
+ sandybridge_pcode_read(i915,
+ GEN6_PCODE_READ_MIN_FREQ_TABLE,
+ &ia_freq, NULL);
+
+ pr_info("%5d %5d %5d\n",
+ gpu_freq * 50,
+ ((ia_freq >> 0) & 0xff) * 100,
+ ((ia_freq >> 8) & 0xff) * 100);
+ }
+
+ intel_runtime_pm_put(rps_to_uncore(rps)->rpm, wakeref);
+}
+
+static u64 __measure_frequency(u32 *cntr, int duration_ms)
+{
+ u64 dc, dt;
+
+ dt = ktime_get();
+ dc = READ_ONCE(*cntr);
+ usleep_range(1000 * duration_ms, 2000 * duration_ms);
+ dc = READ_ONCE(*cntr) - dc;
+ dt = ktime_get() - dt;
+
+ return div64_u64(1000 * 1000 * dc, dt);
+}
+
+static u64 measure_frequency_at(struct intel_rps *rps, u32 *cntr, int *freq)
+{
+ u64 x[5];
+ int i;
+
+ *freq = rps_set_check(rps, *freq);
+ for (i = 0; i < 5; i++)
+ x[i] = __measure_frequency(cntr, 2);
+ *freq = (*freq + read_cagf(rps)) / 2;
+
+ /* A simple triangle filter for better result stability */
+ sort(x, 5, sizeof(*x), cmp_u64, NULL);
+ return div_u64(x[1] + 2 * x[2] + x[3], 4);
+}
+
+static u64 __measure_cs_frequency(struct intel_engine_cs *engine,
+ int duration_ms)
+{
+ u64 dc, dt;
+
+ dt = ktime_get();
+ dc = intel_uncore_read_fw(engine->uncore, CS_GPR(0));
+ usleep_range(1000 * duration_ms, 2000 * duration_ms);
+ dc = intel_uncore_read_fw(engine->uncore, CS_GPR(0)) - dc;
+ dt = ktime_get() - dt;
+
+ return div64_u64(1000 * 1000 * dc, dt);
+}
+
+static u64 measure_cs_frequency_at(struct intel_rps *rps,
+ struct intel_engine_cs *engine,
+ int *freq)
+{
+ u64 x[5];
+ int i;
+
+ *freq = rps_set_check(rps, *freq);
+ for (i = 0; i < 5; i++)
+ x[i] = __measure_cs_frequency(engine, 2);
+ *freq = (*freq + read_cagf(rps)) / 2;
+
+ /* A simple triangle filter for better result stability */
+ sort(x, 5, sizeof(*x), cmp_u64, NULL);
+ return div_u64(x[1] + 2 * x[2] + x[3], 4);
+}
+
+static bool scaled_within(u64 x, u64 y, u32 f_n, u32 f_d)
+{
+ return f_d * x > f_n * y && f_n * x < f_d * y;
+}
+
+int live_rps_frequency_cs(void *arg)
+{
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ struct intel_engine_cs *engine;
+ struct pm_qos_request qos;
+ enum intel_engine_id id;
+ int err = 0;
+
+ /*
+ * The premise is that the GPU does change freqency at our behest.
+ * Let's check there is a correspondence between the requested
+ * frequency, the actual frequency, and the observed clock rate.
+ */
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (INTEL_GEN(gt->i915) < 8) /* for CS simplicity */
+ return 0;
+
+ if (CPU_LATENCY >= 0)
+ cpu_latency_qos_add_request(&qos, CPU_LATENCY);
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ for_each_engine(engine, gt, id) {
+ unsigned long saved_heartbeat;
+ struct i915_request *rq;
+ struct i915_vma *vma;
+ u32 *cancel, *cntr;
+ struct {
+ u64 count;
+ int freq;
+ } min, max;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ vma = create_spin_counter(engine,
+ engine->kernel_context->vm, false,
+ &cancel, &cntr);
+ if (IS_ERR(vma)) {
+ err = PTR_ERR(vma);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ break;
+ }
+
+ rq = intel_engine_create_kernel_request(engine);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto err_vma;
+ }
+
+ i915_vma_lock(vma);
+ err = i915_request_await_object(rq, vma->obj, false);
+ if (!err)
+ err = i915_vma_move_to_active(vma, rq, 0);
+ if (!err)
+ err = rq->engine->emit_bb_start(rq,
+ vma->node.start,
+ PAGE_SIZE, 0);
+ i915_vma_unlock(vma);
+ i915_request_add(rq);
+ if (err)
+ goto err_vma;
+
+ if (wait_for(intel_uncore_read(engine->uncore, CS_GPR(0)),
+ 10)) {
+ pr_err("%s: timed loop did not start\n",
+ engine->name);
+ goto err_vma;
+ }
+
+ min.freq = rps->min_freq;
+ min.count = measure_cs_frequency_at(rps, engine, &min.freq);
+
+ max.freq = rps->max_freq;
+ max.count = measure_cs_frequency_at(rps, engine, &max.freq);
+
+ pr_info("%s: min:%lluKHz @ %uMHz, max:%lluKHz @ %uMHz [%d%%]\n",
+ engine->name,
+ min.count, intel_gpu_freq(rps, min.freq),
+ max.count, intel_gpu_freq(rps, max.freq),
+ (int)DIV64_U64_ROUND_CLOSEST(100 * min.freq * max.count,
+ max.freq * min.count));
+
+ if (!scaled_within(max.freq * min.count,
+ min.freq * max.count,
+ 2, 3)) {
+ int f;
+
+ pr_err("%s: CS did not scale with frequency! scaled min:%llu, max:%llu\n",
+ engine->name,
+ max.freq * min.count,
+ min.freq * max.count);
+ show_pcu_config(rps);
+
+ for (f = min.freq + 1; f <= rps->max_freq; f++) {
+ int act = f;
+ u64 count;
+
+ count = measure_cs_frequency_at(rps, engine, &act);
+ if (act < f)
+ break;
+
+ pr_info("%s: %x:%uMHz: %lluKHz [%d%%]\n",
+ engine->name,
+ act, intel_gpu_freq(rps, act), count,
+ (int)DIV64_U64_ROUND_CLOSEST(100 * min.freq * count,
+ act * min.count));
+
+ f = act; /* may skip ahead [pcu granularity] */
+ }
+
+ err = -EINVAL;
+ }
+
+err_vma:
+ *cancel = MI_BATCH_BUFFER_END;
+ i915_gem_object_flush_map(vma->obj);
+ i915_gem_object_unpin_map(vma->obj);
+ i915_vma_unpin(vma);
+ i915_vma_put(vma);
+
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ if (igt_flush_test(gt->i915))
+ err = -EIO;
+ if (err)
+ break;
+ }
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ if (CPU_LATENCY >= 0)
+ cpu_latency_qos_remove_request(&qos);
+
+ return err;
+}
+
+int live_rps_frequency_srm(void *arg)
+{
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ struct intel_engine_cs *engine;
+ struct pm_qos_request qos;
+ enum intel_engine_id id;
+ int err = 0;
+
+ /*
+ * The premise is that the GPU does change freqency at our behest.
+ * Let's check there is a correspondence between the requested
+ * frequency, the actual frequency, and the observed clock rate.
+ */
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (INTEL_GEN(gt->i915) < 8) /* for CS simplicity */
+ return 0;
+
+ if (CPU_LATENCY >= 0)
+ cpu_latency_qos_add_request(&qos, CPU_LATENCY);
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ for_each_engine(engine, gt, id) {
+ unsigned long saved_heartbeat;
+ struct i915_request *rq;
+ struct i915_vma *vma;
+ u32 *cancel, *cntr;
+ struct {
+ u64 count;
+ int freq;
+ } min, max;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ vma = create_spin_counter(engine,
+ engine->kernel_context->vm, true,
+ &cancel, &cntr);
+ if (IS_ERR(vma)) {
+ err = PTR_ERR(vma);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ break;
+ }
+
+ rq = intel_engine_create_kernel_request(engine);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto err_vma;
+ }
+
+ i915_vma_lock(vma);
+ err = i915_request_await_object(rq, vma->obj, false);
+ if (!err)
+ err = i915_vma_move_to_active(vma, rq, 0);
+ if (!err)
+ err = rq->engine->emit_bb_start(rq,
+ vma->node.start,
+ PAGE_SIZE, 0);
+ i915_vma_unlock(vma);
+ i915_request_add(rq);
+ if (err)
+ goto err_vma;
+
+ if (wait_for(READ_ONCE(*cntr), 10)) {
+ pr_err("%s: timed loop did not start\n",
+ engine->name);
+ goto err_vma;
+ }
+
+ min.freq = rps->min_freq;
+ min.count = measure_frequency_at(rps, cntr, &min.freq);
+
+ max.freq = rps->max_freq;
+ max.count = measure_frequency_at(rps, cntr, &max.freq);
+
+ pr_info("%s: min:%lluKHz @ %uMHz, max:%lluKHz @ %uMHz [%d%%]\n",
+ engine->name,
+ min.count, intel_gpu_freq(rps, min.freq),
+ max.count, intel_gpu_freq(rps, max.freq),
+ (int)DIV64_U64_ROUND_CLOSEST(100 * min.freq * max.count,
+ max.freq * min.count));
+
+ if (!scaled_within(max.freq * min.count,
+ min.freq * max.count,
+ 1, 2)) {
+ int f;
+
+ pr_err("%s: CS did not scale with frequency! scaled min:%llu, max:%llu\n",
+ engine->name,
+ max.freq * min.count,
+ min.freq * max.count);
+ show_pcu_config(rps);
+
+ for (f = min.freq + 1; f <= rps->max_freq; f++) {
+ int act = f;
+ u64 count;
+
+ count = measure_frequency_at(rps, cntr, &act);
+ if (act < f)
+ break;
+
+ pr_info("%s: %x:%uMHz: %lluKHz [%d%%]\n",
+ engine->name,
+ act, intel_gpu_freq(rps, act), count,
+ (int)DIV64_U64_ROUND_CLOSEST(100 * min.freq * count,
+ act * min.count));
+
+ f = act; /* may skip ahead [pcu granularity] */
+ }
+
+ err = -EINVAL;
+ }
+
+err_vma:
+ *cancel = MI_BATCH_BUFFER_END;
+ i915_gem_object_flush_map(vma->obj);
+ i915_gem_object_unpin_map(vma->obj);
+ i915_vma_unpin(vma);
+ i915_vma_put(vma);
+
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ if (igt_flush_test(gt->i915))
+ err = -EIO;
+ if (err)
+ break;
+ }
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ if (CPU_LATENCY >= 0)
+ cpu_latency_qos_remove_request(&qos);
+
+ return err;
+}
+
+static void sleep_for_ei(struct intel_rps *rps, int timeout_us)
+{
+ /* Flush any previous EI */
+ usleep_range(timeout_us, 2 * timeout_us);
+
+ /* Reset the interrupt status */
+ rps_disable_interrupts(rps);
+ GEM_BUG_ON(rps->pm_iir);
+ rps_enable_interrupts(rps);
+
+ /* And then wait for the timeout, for real this time */
+ usleep_range(2 * timeout_us, 3 * timeout_us);
+}
+
+static int __rps_up_interrupt(struct intel_rps *rps,
+ struct intel_engine_cs *engine,
+ struct igt_spinner *spin)
+{
+ struct intel_uncore *uncore = engine->uncore;
+ struct i915_request *rq;
+ u32 timeout;
+
+ if (!intel_engine_can_store_dword(engine))
+ return 0;
+
+ rps_set_check(rps, rps->min_freq);
+
+ rq = igt_spinner_create_request(spin, engine->kernel_context, MI_NOOP);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ if (!igt_wait_for_spinner(spin, rq)) {
+ pr_err("%s: RPS spinner did not start\n",
+ engine->name);
+ i915_request_put(rq);
+ intel_gt_set_wedged(engine->gt);
+ return -EIO;
+ }
+
+ if (!intel_rps_is_active(rps)) {
+ pr_err("%s: RPS not enabled on starting spinner\n",
+ engine->name);
+ igt_spinner_end(spin);
+ i915_request_put(rq);
+ return -EINVAL;
+ }
+
+ if (!(rps->pm_events & GEN6_PM_RP_UP_THRESHOLD)) {
+ pr_err("%s: RPS did not register UP interrupt\n",
+ engine->name);
+ i915_request_put(rq);
+ return -EINVAL;
+ }
+
+ if (rps->last_freq != rps->min_freq) {
+ pr_err("%s: RPS did not program min frequency\n",
+ engine->name);
+ i915_request_put(rq);
+ return -EINVAL;
+ }
+
+ timeout = intel_uncore_read(uncore, GEN6_RP_UP_EI);
+ timeout = intel_gt_pm_interval_to_ns(engine->gt, timeout);
+ timeout = DIV_ROUND_UP(timeout, 1000);
+
+ sleep_for_ei(rps, timeout);
+ GEM_BUG_ON(i915_request_completed(rq));
+
+ igt_spinner_end(spin);
+ i915_request_put(rq);
+
+ if (rps->cur_freq != rps->min_freq) {
+ pr_err("%s: Frequency unexpectedly changed [up], now %d!\n",
+ engine->name, intel_rps_read_actual_frequency(rps));
+ return -EINVAL;
+ }
+
+ if (!(rps->pm_iir & GEN6_PM_RP_UP_THRESHOLD)) {
+ pr_err("%s: UP interrupt not recorded for spinner, pm_iir:%x, prev_up:%x, up_threshold:%x, up_ei:%x\n",
+ engine->name, rps->pm_iir,
+ intel_uncore_read(uncore, GEN6_RP_PREV_UP),
+ intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD),
+ intel_uncore_read(uncore, GEN6_RP_UP_EI));
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int __rps_down_interrupt(struct intel_rps *rps,
+ struct intel_engine_cs *engine)
+{
+ struct intel_uncore *uncore = engine->uncore;
+ u32 timeout;
+
+ rps_set_check(rps, rps->max_freq);
+
+ if (!(rps->pm_events & GEN6_PM_RP_DOWN_THRESHOLD)) {
+ pr_err("%s: RPS did not register DOWN interrupt\n",
+ engine->name);
+ return -EINVAL;
+ }
+
+ if (rps->last_freq != rps->max_freq) {
+ pr_err("%s: RPS did not program max frequency\n",
+ engine->name);
+ return -EINVAL;
+ }
+
+ timeout = intel_uncore_read(uncore, GEN6_RP_DOWN_EI);
+ timeout = intel_gt_pm_interval_to_ns(engine->gt, timeout);
+ timeout = DIV_ROUND_UP(timeout, 1000);
+
+ sleep_for_ei(rps, timeout);
+
+ if (rps->cur_freq != rps->max_freq) {
+ pr_err("%s: Frequency unexpectedly changed [down], now %d!\n",
+ engine->name,
+ intel_rps_read_actual_frequency(rps));
+ return -EINVAL;
+ }
+
+ if (!(rps->pm_iir & (GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT))) {
+ pr_err("%s: DOWN interrupt not recorded for idle, pm_iir:%x, prev_down:%x, down_threshold:%x, down_ei:%x [prev_up:%x, up_threshold:%x, up_ei:%x]\n",
+ engine->name, rps->pm_iir,
+ intel_uncore_read(uncore, GEN6_RP_PREV_DOWN),
+ intel_uncore_read(uncore, GEN6_RP_DOWN_THRESHOLD),
+ intel_uncore_read(uncore, GEN6_RP_DOWN_EI),
+ intel_uncore_read(uncore, GEN6_RP_PREV_UP),
+ intel_uncore_read(uncore, GEN6_RP_UP_THRESHOLD),
+ intel_uncore_read(uncore, GEN6_RP_UP_EI));
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int live_rps_interrupt(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_spinner spin;
+ u32 pm_events;
+ int err = 0;
+
+ /*
+ * First, let's check whether or not we are receiving interrupts.
+ */
+
+ if (!intel_rps_has_interrupts(rps))
+ return 0;
+
+ intel_gt_pm_get(gt);
+ pm_events = rps->pm_events;
+ intel_gt_pm_put(gt);
+ if (!pm_events) {
+ pr_err("No RPS PM events registered, but RPS is enabled?\n");
+ return -ENODEV;
+ }
+
+ if (igt_spinner_init(&spin, gt))
+ return -ENOMEM;
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ for_each_engine(engine, gt, id) {
+ /* Keep the engine busy with a spinner; expect an UP! */
+ if (pm_events & GEN6_PM_RP_UP_THRESHOLD) {
+ unsigned long saved_heartbeat;
+
+ intel_gt_pm_wait_for_idle(engine->gt);
+ GEM_BUG_ON(intel_rps_is_active(rps));
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ err = __rps_up_interrupt(rps, engine, &spin);
+
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ if (err)
+ goto out;
+
+ intel_gt_pm_wait_for_idle(engine->gt);
+ }
+
+ /* Keep the engine awake but idle and check for DOWN */
+ if (pm_events & GEN6_PM_RP_DOWN_THRESHOLD) {
+ unsigned long saved_heartbeat;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+ intel_rc6_disable(&gt->rc6);
+
+ err = __rps_down_interrupt(rps, engine);
+
+ intel_rc6_enable(&gt->rc6);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ if (err)
+ goto out;
+ }
+ }
+
+out:
+ if (igt_flush_test(gt->i915))
+ err = -EIO;
+
+ igt_spinner_fini(&spin);
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ return err;
+}
+
+static u64 __measure_power(int duration_ms)
+{
+ u64 dE, dt;
+
+ dt = ktime_get();
+ dE = librapl_energy_uJ();
+ usleep_range(1000 * duration_ms, 2000 * duration_ms);
+ dE = librapl_energy_uJ() - dE;
+ dt = ktime_get() - dt;
+
+ return div64_u64(1000 * 1000 * dE, dt);
+}
+
+static u64 measure_power_at(struct intel_rps *rps, int *freq)
+{
+ u64 x[5];
+ int i;
+
+ *freq = rps_set_check(rps, *freq);
+ for (i = 0; i < 5; i++)
+ x[i] = __measure_power(5);
+ *freq = (*freq + read_cagf(rps)) / 2;
+
+ /* A simple triangle filter for better result stability */
+ sort(x, 5, sizeof(*x), cmp_u64, NULL);
+ return div_u64(x[1] + 2 * x[2] + x[3], 4);
+}
+
+int live_rps_power(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ void (*saved_work)(struct work_struct *wrk);
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_spinner spin;
+ int err = 0;
+
+ /*
+ * Our fundamental assumption is that running at lower frequency
+ * actually saves power. Let's see if our RAPL measurement support
+ * that theory.
+ */
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (!librapl_energy_uJ())
+ return 0;
+
+ if (igt_spinner_init(&spin, gt))
+ return -ENOMEM;
+
+ intel_gt_pm_wait_for_idle(gt);
+ saved_work = rps->work.func;
+ rps->work.func = dummy_rps_work;
+
+ for_each_engine(engine, gt, id) {
+ unsigned long saved_heartbeat;
+ struct i915_request *rq;
+ struct {
+ u64 power;
+ int freq;
+ } min, max;
+
+ if (!intel_engine_can_store_dword(engine))
+ continue;
+
+ saved_heartbeat = engine_heartbeat_disable(engine);
+
+ rq = igt_spinner_create_request(&spin,
+ engine->kernel_context,
+ MI_NOOP);
+ if (IS_ERR(rq)) {
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_add(rq);
+
+ if (!igt_wait_for_spinner(&spin, rq)) {
+ pr_err("%s: RPS spinner did not start\n",
+ engine->name);
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+ intel_gt_set_wedged(engine->gt);
+ err = -EIO;
+ break;
+ }
+
+ max.freq = rps->max_freq;
+ max.power = measure_power_at(rps, &max.freq);
+
+ min.freq = rps->min_freq;
+ min.power = measure_power_at(rps, &min.freq);
+
+ igt_spinner_end(&spin);
+ engine_heartbeat_enable(engine, saved_heartbeat);
+
+ pr_info("%s: min:%llumW @ %uMHz, max:%llumW @ %uMHz\n",
+ engine->name,
+ min.power, intel_gpu_freq(rps, min.freq),
+ max.power, intel_gpu_freq(rps, max.freq));
+
+ if (10 * min.freq >= 9 * max.freq) {
+ pr_notice("Could not control frequency, ran at [%d:%uMHz, %d:%uMhz]\n",
+ min.freq, intel_gpu_freq(rps, min.freq),
+ max.freq, intel_gpu_freq(rps, max.freq));
+ continue;
+ }
+
+ if (11 * min.power > 10 * max.power) {
+ pr_err("%s: did not conserve power when setting lower frequency!\n",
+ engine->name);
+ err = -EINVAL;
+ break;
+ }
+
+ if (igt_flush_test(gt->i915)) {
+ err = -EIO;
+ break;
+ }
+ }
+
+ igt_spinner_fini(&spin);
+
+ intel_gt_pm_wait_for_idle(gt);
+ rps->work.func = saved_work;
+
+ return err;
+}
+
+int live_rps_dynamic(void *arg)
+{
+ struct intel_gt *gt = arg;
+ struct intel_rps *rps = &gt->rps;
+ struct intel_engine_cs *engine;
+ enum intel_engine_id id;
+ struct igt_spinner spin;
+ int err = 0;
+
+ /*
+ * We've looked at the bascs, and have established that we
+ * can change the clock frequency and that the HW will generate
+ * interrupts based on load. Now we check how we integrate those
+ * moving parts into dynamic reclocking based on load.
+ */
+
+ if (!intel_rps_is_enabled(rps))
+ return 0;
+
+ if (igt_spinner_init(&spin, gt))
+ return -ENOMEM;
+
+ for_each_engine(engine, gt, id) {
+ struct i915_request *rq;
+ struct {
+ ktime_t dt;
+ u8 freq;
+ } min, max;
+
+ if (!intel_engine_can_store_dword(engine))
+ continue;
+
+ intel_gt_pm_wait_for_idle(gt);
+ GEM_BUG_ON(intel_rps_is_active(rps));
+ rps->cur_freq = rps->min_freq;
+
+ intel_engine_pm_get(engine);
+ intel_rc6_disable(&gt->rc6);
+ GEM_BUG_ON(rps->last_freq != rps->min_freq);
+
+ rq = igt_spinner_create_request(&spin,
+ engine->kernel_context,
+ MI_NOOP);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ goto err;
+ }
+
+ i915_request_add(rq);
+
+ max.dt = ktime_get();
+ max.freq = wait_for_freq(rps, rps->max_freq, 500);
+ max.dt = ktime_sub(ktime_get(), max.dt);
+
+ igt_spinner_end(&spin);
+
+ min.dt = ktime_get();
+ min.freq = wait_for_freq(rps, rps->min_freq, 2000);
+ min.dt = ktime_sub(ktime_get(), min.dt);
+
+ pr_info("%s: dynamically reclocked to %u:%uMHz while busy in %lluns, and %u:%uMHz while idle in %lluns\n",
+ engine->name,
+ max.freq, intel_gpu_freq(rps, max.freq),
+ ktime_to_ns(max.dt),
+ min.freq, intel_gpu_freq(rps, min.freq),
+ ktime_to_ns(min.dt));
+ if (min.freq >= max.freq) {
+ pr_err("%s: dynamic reclocking of spinner failed\n!",
+ engine->name);
+ err = -EINVAL;
+ }
+
+err:
+ intel_rc6_enable(&gt->rc6);
+ intel_engine_pm_put(engine);
+
+ if (igt_flush_test(gt->i915))
+ err = -EIO;
+ if (err)
+ break;
+ }
+
+ igt_spinner_fini(&spin);
+
+ return err;
+}
diff --git a/drivers/gpu/drm/i915/gt/selftest_rps.h b/drivers/gpu/drm/i915/gt/selftest_rps.h
new file mode 100644
index 000000000000..6e82a631cfa1
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/selftest_rps.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef SELFTEST_RPS_H
+#define SELFTEST_RPS_H
+
+int live_rps_control(void *arg);
+int live_rps_clock_interval(void *arg);
+int live_rps_frequency_cs(void *arg);
+int live_rps_frequency_srm(void *arg);
+int live_rps_power(void *arg);
+int live_rps_interrupt(void *arg);
+int live_rps_dynamic(void *arg);
+
+#endif /* SELFTEST_RPS_H */
diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.c b/drivers/gpu/drm/i915/gt/shmem_utils.c
new file mode 100644
index 000000000000..43c7acbdc79d
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/shmem_utils.c
@@ -0,0 +1,173 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+#include <linux/shmem_fs.h>
+
+#include "gem/i915_gem_object.h"
+#include "shmem_utils.h"
+
+struct file *shmem_create_from_data(const char *name, void *data, size_t len)
+{
+ struct file *file;
+ int err;
+
+ file = shmem_file_setup(name, PAGE_ALIGN(len), VM_NORESERVE);
+ if (IS_ERR(file))
+ return file;
+
+ err = shmem_write(file, 0, data, len);
+ if (err) {
+ fput(file);
+ return ERR_PTR(err);
+ }
+
+ return file;
+}
+
+struct file *shmem_create_from_object(struct drm_i915_gem_object *obj)
+{
+ struct file *file;
+ void *ptr;
+
+ if (obj->ops == &i915_gem_shmem_ops) {
+ file = obj->base.filp;
+ atomic_long_inc(&file->f_count);
+ return file;
+ }
+
+ ptr = i915_gem_object_pin_map(obj, I915_MAP_WB);
+ if (IS_ERR(ptr))
+ return ERR_CAST(ptr);
+
+ file = shmem_create_from_data("", ptr, obj->base.size);
+ i915_gem_object_unpin_map(obj);
+
+ return file;
+}
+
+static size_t shmem_npte(struct file *file)
+{
+ return file->f_mapping->host->i_size >> PAGE_SHIFT;
+}
+
+static void __shmem_unpin_map(struct file *file, void *ptr, size_t n_pte)
+{
+ unsigned long pfn;
+
+ vunmap(ptr);
+
+ for (pfn = 0; pfn < n_pte; pfn++) {
+ struct page *page;
+
+ page = shmem_read_mapping_page_gfp(file->f_mapping, pfn,
+ GFP_KERNEL);
+ if (!WARN_ON(IS_ERR(page))) {
+ put_page(page);
+ put_page(page);
+ }
+ }
+}
+
+void *shmem_pin_map(struct file *file)
+{
+ const size_t n_pte = shmem_npte(file);
+ pte_t *stack[32], **ptes, **mem;
+ struct vm_struct *area;
+ unsigned long pfn;
+
+ mem = stack;
+ if (n_pte > ARRAY_SIZE(stack)) {
+ mem = kvmalloc_array(n_pte, sizeof(*mem), GFP_KERNEL);
+ if (!mem)
+ return NULL;
+ }
+
+ area = alloc_vm_area(n_pte << PAGE_SHIFT, mem);
+ if (!area) {
+ if (mem != stack)
+ kvfree(mem);
+ return NULL;
+ }
+
+ ptes = mem;
+ for (pfn = 0; pfn < n_pte; pfn++) {
+ struct page *page;
+
+ page = shmem_read_mapping_page_gfp(file->f_mapping, pfn,
+ GFP_KERNEL);
+ if (IS_ERR(page))
+ goto err_page;
+
+ **ptes++ = mk_pte(page, PAGE_KERNEL);
+ }
+
+ if (mem != stack)
+ kvfree(mem);
+
+ mapping_set_unevictable(file->f_mapping);
+ return area->addr;
+
+err_page:
+ if (mem != stack)
+ kvfree(mem);
+
+ __shmem_unpin_map(file, area->addr, pfn);
+ return NULL;
+}
+
+void shmem_unpin_map(struct file *file, void *ptr)
+{
+ mapping_clear_unevictable(file->f_mapping);
+ __shmem_unpin_map(file, ptr, shmem_npte(file));
+}
+
+static int __shmem_rw(struct file *file, loff_t off,
+ void *ptr, size_t len,
+ bool write)
+{
+ unsigned long pfn;
+
+ for (pfn = off >> PAGE_SHIFT; len; pfn++) {
+ unsigned int this =
+ min_t(size_t, PAGE_SIZE - offset_in_page(off), len);
+ struct page *page;
+ void *vaddr;
+
+ page = shmem_read_mapping_page_gfp(file->f_mapping, pfn,
+ GFP_KERNEL);
+ if (IS_ERR(page))
+ return PTR_ERR(page);
+
+ vaddr = kmap(page);
+ if (write)
+ memcpy(vaddr + offset_in_page(off), ptr, this);
+ else
+ memcpy(ptr, vaddr + offset_in_page(off), this);
+ kunmap(page);
+ put_page(page);
+
+ len -= this;
+ ptr += this;
+ off = 0;
+ }
+
+ return 0;
+}
+
+int shmem_read(struct file *file, loff_t off, void *dst, size_t len)
+{
+ return __shmem_rw(file, off, dst, len, false);
+}
+
+int shmem_write(struct file *file, loff_t off, void *src, size_t len)
+{
+ return __shmem_rw(file, off, src, len, true);
+}
+
+#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
+#include "st_shmem_utils.c"
+#endif
diff --git a/drivers/gpu/drm/i915/gt/shmem_utils.h b/drivers/gpu/drm/i915/gt/shmem_utils.h
new file mode 100644
index 000000000000..c1669170c351
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/shmem_utils.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef SHMEM_UTILS_H
+#define SHMEM_UTILS_H
+
+#include <linux/types.h>
+
+struct drm_i915_gem_object;
+struct file;
+
+struct file *shmem_create_from_data(const char *name, void *data, size_t len);
+struct file *shmem_create_from_object(struct drm_i915_gem_object *obj);
+
+void *shmem_pin_map(struct file *file);
+void shmem_unpin_map(struct file *file, void *ptr);
+
+int shmem_read(struct file *file, loff_t off, void *dst, size_t len);
+int shmem_write(struct file *file, loff_t off, void *src, size_t len);
+
+#endif /* SHMEM_UTILS_H */
diff --git a/drivers/gpu/drm/i915/gt/st_shmem_utils.c b/drivers/gpu/drm/i915/gt/st_shmem_utils.c
new file mode 100644
index 000000000000..b279fe88b70e
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/st_shmem_utils.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+/* Just a quick and causal check of the shmem_utils API */
+
+static int igt_shmem_basic(void *ignored)
+{
+ u32 datum = 0xdeadbeef, result;
+ struct file *file;
+ u32 *map;
+ int err;
+
+ file = shmem_create_from_data("mock", &datum, sizeof(datum));
+ if (IS_ERR(file))
+ return PTR_ERR(file);
+
+ result = 0;
+ err = shmem_read(file, 0, &result, sizeof(result));
+ if (err)
+ goto out_file;
+
+ if (result != datum) {
+ pr_err("Incorrect read back from shmemfs: %x != %x\n",
+ result, datum);
+ err = -EINVAL;
+ goto out_file;
+ }
+
+ result = 0xc0ffee;
+ err = shmem_write(file, 0, &result, sizeof(result));
+ if (err)
+ goto out_file;
+
+ map = shmem_pin_map(file);
+ if (!map) {
+ err = -ENOMEM;
+ goto out_file;
+ }
+
+ if (*map != result) {
+ pr_err("Incorrect read back via mmap of last write: %x != %x\n",
+ *map, result);
+ err = -EINVAL;
+ goto out_map;
+ }
+
+out_map:
+ shmem_unpin_map(file, map);
+out_file:
+ fput(file);
+ return err;
+}
+
+int shmem_utils_mock_selftests(void)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(igt_shmem_basic),
+ };
+
+ return i915_subtests(tests, NULL);
+}
diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.c b/drivers/gpu/drm/i915/gt/sysfs_engines.c
index 8f9b2f33dbaf..535cc1169e54 100644
--- a/drivers/gpu/drm/i915/gt/sysfs_engines.c
+++ b/drivers/gpu/drm/i915/gt/sysfs_engines.c
@@ -192,6 +192,17 @@ static struct kobj_attribute max_spin_attr =
__ATTR(max_busywait_duration_ns, 0644, max_spin_show, max_spin_store);
static ssize_t
+max_spin_default(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+ struct intel_engine_cs *engine = kobj_to_engine(kobj);
+
+ return sprintf(buf, "%lu\n", engine->defaults.max_busywait_duration_ns);
+}
+
+static struct kobj_attribute max_spin_def =
+__ATTR(max_busywait_duration_ns, 0444, max_spin_default, NULL);
+
+static ssize_t
timeslice_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
@@ -234,6 +245,17 @@ static struct kobj_attribute timeslice_duration_attr =
__ATTR(timeslice_duration_ms, 0644, timeslice_show, timeslice_store);
static ssize_t
+timeslice_default(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+ struct intel_engine_cs *engine = kobj_to_engine(kobj);
+
+ return sprintf(buf, "%lu\n", engine->defaults.timeslice_duration_ms);
+}
+
+static struct kobj_attribute timeslice_duration_def =
+__ATTR(timeslice_duration_ms, 0444, timeslice_default, NULL);
+
+static ssize_t
stop_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
@@ -273,6 +295,17 @@ static struct kobj_attribute stop_timeout_attr =
__ATTR(stop_timeout_ms, 0644, stop_show, stop_store);
static ssize_t
+stop_default(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+ struct intel_engine_cs *engine = kobj_to_engine(kobj);
+
+ return sprintf(buf, "%lu\n", engine->defaults.stop_timeout_ms);
+}
+
+static struct kobj_attribute stop_timeout_def =
+__ATTR(stop_timeout_ms, 0444, stop_default, NULL);
+
+static ssize_t
preempt_timeout_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
@@ -317,6 +350,18 @@ static struct kobj_attribute preempt_timeout_attr =
__ATTR(preempt_timeout_ms, 0644, preempt_timeout_show, preempt_timeout_store);
static ssize_t
+preempt_timeout_default(struct kobject *kobj, struct kobj_attribute *attr,
+ char *buf)
+{
+ struct intel_engine_cs *engine = kobj_to_engine(kobj);
+
+ return sprintf(buf, "%lu\n", engine->defaults.preempt_timeout_ms);
+}
+
+static struct kobj_attribute preempt_timeout_def =
+__ATTR(preempt_timeout_ms, 0444, preempt_timeout_default, NULL);
+
+static ssize_t
heartbeat_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
@@ -359,6 +404,17 @@ heartbeat_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
static struct kobj_attribute heartbeat_interval_attr =
__ATTR(heartbeat_interval_ms, 0644, heartbeat_show, heartbeat_store);
+static ssize_t
+heartbeat_default(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
+{
+ struct intel_engine_cs *engine = kobj_to_engine(kobj);
+
+ return sprintf(buf, "%lu\n", engine->defaults.heartbeat_interval_ms);
+}
+
+static struct kobj_attribute heartbeat_interval_def =
+__ATTR(heartbeat_interval_ms, 0444, heartbeat_default, NULL);
+
static void kobj_engine_release(struct kobject *kobj)
{
kfree(kobj);
@@ -390,6 +446,42 @@ kobj_engine(struct kobject *dir, struct intel_engine_cs *engine)
return &ke->base;
}
+static void add_defaults(struct kobj_engine *parent)
+{
+ static const struct attribute *files[] = {
+ &max_spin_def.attr,
+ &stop_timeout_def.attr,
+#if CONFIG_DRM_I915_HEARTBEAT_INTERVAL
+ &heartbeat_interval_def.attr,
+#endif
+ NULL
+ };
+ struct kobj_engine *ke;
+
+ ke = kzalloc(sizeof(*ke), GFP_KERNEL);
+ if (!ke)
+ return;
+
+ kobject_init(&ke->base, &kobj_engine_type);
+ ke->engine = parent->engine;
+
+ if (kobject_add(&ke->base, &parent->base, "%s", ".defaults")) {
+ kobject_put(&ke->base);
+ return;
+ }
+
+ if (sysfs_create_files(&ke->base, files))
+ return;
+
+ if (intel_engine_has_timeslices(ke->engine) &&
+ sysfs_create_file(&ke->base, &timeslice_duration_def.attr))
+ return;
+
+ if (intel_engine_has_preempt_reset(ke->engine) &&
+ sysfs_create_file(&ke->base, &preempt_timeout_def.attr))
+ return;
+}
+
void intel_engines_add_sysfs(struct drm_i915_private *i915)
{
static const struct attribute *files[] = {
@@ -433,6 +525,8 @@ void intel_engines_add_sysfs(struct drm_i915_private *i915)
sysfs_create_file(kobj, &preempt_timeout_attr.attr))
goto err_engine;
+ add_defaults(container_of(kobj, struct kobj_engine, base));
+
if (0) {
err_object:
kobject_put(kobj);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.c b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
index 819f09ef51fc..861657897c0f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.c
@@ -169,7 +169,7 @@ void intel_guc_init_early(struct intel_guc *guc)
{
struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
- intel_guc_fw_init_early(guc);
+ intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC);
intel_guc_ct_init_early(&guc->ct);
intel_guc_log_init_early(&guc->log);
intel_guc_submission_init_early(guc);
@@ -723,3 +723,47 @@ int intel_guc_allocate_and_map_vma(struct intel_guc *guc, u32 size,
return 0;
}
+
+/**
+ * intel_guc_load_status - dump information about GuC load status
+ * @guc: the GuC
+ * @p: the &drm_printer
+ *
+ * Pretty printer for GuC load status.
+ */
+void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p)
+{
+ struct intel_gt *gt = guc_to_gt(guc);
+ struct intel_uncore *uncore = gt->uncore;
+ intel_wakeref_t wakeref;
+
+ if (!intel_guc_is_supported(guc)) {
+ drm_printf(p, "GuC not supported\n");
+ return;
+ }
+
+ if (!intel_guc_is_wanted(guc)) {
+ drm_printf(p, "GuC disabled\n");
+ return;
+ }
+
+ intel_uc_fw_dump(&guc->fw, p);
+
+ with_intel_runtime_pm(uncore->rpm, wakeref) {
+ u32 status = intel_uncore_read(uncore, GUC_STATUS);
+ u32 i;
+
+ drm_printf(p, "\nGuC status 0x%08x:\n", status);
+ drm_printf(p, "\tBootrom status = 0x%x\n",
+ (status & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
+ drm_printf(p, "\tuKernel status = 0x%x\n",
+ (status & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
+ drm_printf(p, "\tMIA Core status = 0x%x\n",
+ (status & GS_MIA_MASK) >> GS_MIA_SHIFT);
+ drm_puts(p, "\nScratch registers:\n");
+ for (i = 0; i < 16; i++) {
+ drm_printf(p, "\t%2d: \t0x%x\n",
+ i, intel_uncore_read(uncore, SOFT_SCRATCH(i)));
+ }
+ }
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc.h b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
index 4594ccbeaa34..e84ab67b317d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc.h
@@ -74,6 +74,11 @@ struct intel_guc {
struct mutex send_mutex;
};
+static inline struct intel_guc *log_to_guc(struct intel_guc_log *log)
+{
+ return container_of(log, struct intel_guc, log);
+}
+
static
inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
{
@@ -190,4 +195,6 @@ static inline void intel_guc_disable_msg(struct intel_guc *guc, u32 mask)
int intel_guc_reset_engine(struct intel_guc *guc,
struct intel_engine_cs *engine);
+void intel_guc_load_status(struct intel_guc *guc, struct drm_printer *p);
+
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
new file mode 100644
index 000000000000..fe7cb7b29a1e
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_guc.h"
+#include "intel_guc_debugfs.h"
+#include "intel_guc_log_debugfs.h"
+
+static int guc_info_show(struct seq_file *m, void *data)
+{
+ struct intel_guc *guc = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ if (!intel_guc_is_supported(guc))
+ return -ENODEV;
+
+ intel_guc_load_status(guc, &p);
+ drm_puts(&p, "\n");
+ intel_guc_log_info(&guc->log, &p);
+
+ /* Add more as required ... */
+
+ return 0;
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_info);
+
+void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "guc_info", &guc_info_fops, NULL },
+ };
+
+ if (!intel_guc_is_supported(guc))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc);
+ intel_guc_log_debugfs_register(&guc->log, root);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h
new file mode 100644
index 000000000000..424c26665cf1
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_GUC_H
+#define DEBUGFS_GUC_H
+
+struct intel_guc;
+struct dentry;
+
+void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root);
+
+#endif /* DEBUGFS_GUC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
index 3a1c47d600ea..d4a87f4c9421 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c
@@ -13,20 +13,6 @@
#include "intel_guc_fw.h"
#include "i915_drv.h"
-/**
- * intel_guc_fw_init_early() - initializes GuC firmware struct
- * @guc: intel_guc struct
- *
- * On platforms with GuC selects firmware for uploading
- */
-void intel_guc_fw_init_early(struct intel_guc *guc)
-{
- struct drm_i915_private *i915 = guc_to_gt(guc)->i915;
-
- intel_uc_fw_init_early(&guc->fw, INTEL_UC_FW_TYPE_GUC, HAS_GT_UC(i915),
- INTEL_INFO(i915)->platform, INTEL_REVID(i915));
-}
-
static void guc_prepare_xfer(struct intel_uncore *uncore)
{
u32 shim_flags = GUC_DISABLE_SRAM_INIT_TO_ZEROES |
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
index b5ab639d7259..0b4d2a9c9435 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.h
@@ -8,7 +8,6 @@
struct intel_guc;
-void intel_guc_fw_init_early(struct intel_guc *guc);
int intel_guc_fw_upload(struct intel_guc *guc);
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index caed0d57e704..fb10f3597ea5 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
@@ -55,11 +55,6 @@ static int guc_action_control_log(struct intel_guc *guc, bool enable,
return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
-static inline struct intel_guc *log_to_guc(struct intel_guc_log *log)
-{
- return container_of(log, struct intel_guc, log);
-}
-
static void guc_log_enable_flush_events(struct intel_guc_log *log)
{
intel_guc_enable_msg(log_to_guc(log),
@@ -672,3 +667,95 @@ void intel_guc_log_handle_flush_event(struct intel_guc_log *log)
{
queue_work(system_highpri_wq, &log->relay.flush_work);
}
+
+static const char *
+stringify_guc_log_type(enum guc_log_buffer_type type)
+{
+ switch (type) {
+ case GUC_ISR_LOG_BUFFER:
+ return "ISR";
+ case GUC_DPC_LOG_BUFFER:
+ return "DPC";
+ case GUC_CRASH_DUMP_LOG_BUFFER:
+ return "CRASH";
+ default:
+ MISSING_CASE(type);
+ }
+
+ return "";
+}
+
+/**
+ * intel_guc_log_info - dump information about GuC log relay
+ * @log: the GuC log
+ * @p: the &drm_printer
+ *
+ * Pretty printer for GuC log info
+ */
+void intel_guc_log_info(struct intel_guc_log *log, struct drm_printer *p)
+{
+ enum guc_log_buffer_type type;
+
+ if (!intel_guc_log_relay_created(log)) {
+ drm_puts(p, "GuC log relay not created\n");
+ return;
+ }
+
+ drm_puts(p, "GuC logging stats:\n");
+
+ drm_printf(p, "\tRelay full count: %u\n", log->relay.full_count);
+
+ for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) {
+ drm_printf(p, "\t%s:\tflush count %10u, overflow count %10u\n",
+ stringify_guc_log_type(type),
+ log->stats[type].flush,
+ log->stats[type].sampled_overflow);
+ }
+}
+
+/**
+ * intel_guc_log_dump - dump the contents of the GuC log
+ * @log: the GuC log
+ * @p: the &drm_printer
+ * @dump_load_err: dump the log saved on GuC load error
+ *
+ * Pretty printer for the GuC log
+ */
+int intel_guc_log_dump(struct intel_guc_log *log, struct drm_printer *p,
+ bool dump_load_err)
+{
+ struct intel_guc *guc = log_to_guc(log);
+ struct intel_uc *uc = container_of(guc, struct intel_uc, guc);
+ struct drm_i915_gem_object *obj = NULL;
+ u32 *map;
+ int i = 0;
+
+ if (!intel_guc_is_supported(guc))
+ return -ENODEV;
+
+ if (dump_load_err)
+ obj = uc->load_err_log;
+ else if (guc->log.vma)
+ obj = guc->log.vma->obj;
+
+ if (!obj)
+ return 0;
+
+ map = i915_gem_object_pin_map(obj, I915_MAP_WC);
+ if (IS_ERR(map)) {
+ DRM_DEBUG("Failed to pin object\n");
+ drm_puts(p, "(log data unaccessible)\n");
+ return PTR_ERR(map);
+ }
+
+ for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
+ drm_printf(p, "0x%08x 0x%08x 0x%08x 0x%08x\n",
+ *(map + i), *(map + i + 1),
+ *(map + i + 2), *(map + i + 3));
+
+ drm_puts(p, "\n");
+
+ i915_gem_object_unpin_map(obj);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
index c252c022c5fc..11fccd0b2294 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.h
@@ -79,4 +79,8 @@ static inline u32 intel_guc_log_get_level(struct intel_guc_log *log)
return log->level;
}
+void intel_guc_log_info(struct intel_guc_log *log, struct drm_printer *p);
+int intel_guc_log_dump(struct intel_guc_log *log, struct drm_printer *p,
+ bool dump_load_err);
+
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c
new file mode 100644
index 000000000000..129e0cf7dfe2
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.c
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/fs.h>
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_guc.h"
+#include "intel_guc_log.h"
+#include "intel_guc_log_debugfs.h"
+
+static int guc_log_dump_show(struct seq_file *m, void *data)
+{
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ return intel_guc_log_dump(m->private, &p, false);
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_log_dump);
+
+static int guc_load_err_log_dump_show(struct seq_file *m, void *data)
+{
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ return intel_guc_log_dump(m->private, &p, true);
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(guc_load_err_log_dump);
+
+static int guc_log_level_get(void *data, u64 *val)
+{
+ struct intel_guc_log *log = data;
+
+ if (!intel_guc_is_used(log_to_guc(log)))
+ return -ENODEV;
+
+ *val = intel_guc_log_get_level(log);
+
+ return 0;
+}
+
+static int guc_log_level_set(void *data, u64 val)
+{
+ struct intel_guc_log *log = data;
+
+ if (!intel_guc_is_used(log_to_guc(log)))
+ return -ENODEV;
+
+ return intel_guc_log_set_level(log, val);
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(guc_log_level_fops,
+ guc_log_level_get, guc_log_level_set,
+ "%lld\n");
+
+static int guc_log_relay_open(struct inode *inode, struct file *file)
+{
+ struct intel_guc_log *log = inode->i_private;
+
+ if (!intel_guc_is_ready(log_to_guc(log)))
+ return -ENODEV;
+
+ file->private_data = log;
+
+ return intel_guc_log_relay_open(log);
+}
+
+static ssize_t
+guc_log_relay_write(struct file *filp,
+ const char __user *ubuf,
+ size_t cnt,
+ loff_t *ppos)
+{
+ struct intel_guc_log *log = filp->private_data;
+ int val;
+ int ret;
+
+ ret = kstrtoint_from_user(ubuf, cnt, 0, &val);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Enable and start the guc log relay on value of 1.
+ * Flush log relay for any other value.
+ */
+ if (val == 1)
+ ret = intel_guc_log_relay_start(log);
+ else
+ intel_guc_log_relay_flush(log);
+
+ return ret ?: cnt;
+}
+
+static int guc_log_relay_release(struct inode *inode, struct file *file)
+{
+ struct intel_guc_log *log = inode->i_private;
+
+ intel_guc_log_relay_close(log);
+ return 0;
+}
+
+static const struct file_operations guc_log_relay_fops = {
+ .owner = THIS_MODULE,
+ .open = guc_log_relay_open,
+ .write = guc_log_relay_write,
+ .release = guc_log_relay_release,
+};
+
+void intel_guc_log_debugfs_register(struct intel_guc_log *log,
+ struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "guc_log_dump", &guc_log_dump_fops, NULL },
+ { "guc_load_err_log_dump", &guc_load_err_log_dump_fops, NULL },
+ { "guc_log_level", &guc_log_level_fops, NULL },
+ { "guc_log_relay", &guc_log_relay_fops, NULL },
+ };
+
+ if (!intel_guc_is_supported(log_to_guc(log)))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), log);
+}
+
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h
new file mode 100644
index 000000000000..e8900e3d74ea
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log_debugfs.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_GUC_LOG_H
+#define DEBUGFS_GUC_LOG_H
+
+struct intel_guc_log;
+struct dentry;
+
+void intel_guc_log_debugfs_register(struct intel_guc_log *log,
+ struct dentry *root);
+
+#endif /* DEBUGFS_GUC_LOG_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index fe7778c28d2d..94eb63f309ce 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -217,7 +217,7 @@ static void guc_wq_item_append(struct intel_guc *guc,
static void guc_add_request(struct intel_guc *guc, struct i915_request *rq)
{
struct intel_engine_cs *engine = rq->engine;
- u32 ctx_desc = lower_32_bits(rq->context->lrc_desc);
+ u32 ctx_desc = rq->context->lrc.ccid;
u32 ring_tail = intel_ring_set_tail(rq->ring, rq->tail) / sizeof(u64);
guc_wq_item_append(guc, engine->guc_id, ctx_desc,
@@ -258,7 +258,7 @@ static void guc_submit(struct intel_engine_cs *engine,
static inline int rq_prio(const struct i915_request *rq)
{
- return rq->sched.attr.priority | __NO_PREEMPTION;
+ return rq->sched.attr.priority;
}
static struct i915_request *schedule_in(struct i915_request *rq, int idx)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
index a74b65694512..65eeb44b397d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c
@@ -41,7 +41,7 @@ void intel_huc_init_early(struct intel_huc *huc)
{
struct drm_i915_private *i915 = huc_to_gt(huc)->i915;
- intel_huc_fw_init_early(huc);
+ intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC);
if (INTEL_GEN(i915) >= 11) {
huc->status.reg = GEN11_HUC_KERNEL_LOAD_INFO;
@@ -200,9 +200,13 @@ fail:
* This function reads status register to verify if HuC
* firmware was successfully loaded.
*
- * Returns: 1 if HuC firmware is loaded and verified,
- * 0 if HuC firmware is not loaded and -ENODEV if HuC
- * is not present on this platform.
+ * Returns:
+ * * -ENODEV if HuC is not present on this platform,
+ * * -EOPNOTSUPP if HuC firmware is disabled,
+ * * -ENOPKG if HuC firmware was not installed,
+ * * -ENOEXEC if HuC firmware is invalid or mismatched,
+ * * 0 if HuC firmware is not running,
+ * * 1 if HuC firmware is authenticated and running.
*/
int intel_huc_check_status(struct intel_huc *huc)
{
@@ -210,11 +214,50 @@ int intel_huc_check_status(struct intel_huc *huc)
intel_wakeref_t wakeref;
u32 status = 0;
- if (!intel_huc_is_supported(huc))
+ switch (__intel_uc_fw_status(&huc->fw)) {
+ case INTEL_UC_FIRMWARE_NOT_SUPPORTED:
return -ENODEV;
+ case INTEL_UC_FIRMWARE_DISABLED:
+ return -EOPNOTSUPP;
+ case INTEL_UC_FIRMWARE_MISSING:
+ return -ENOPKG;
+ case INTEL_UC_FIRMWARE_ERROR:
+ return -ENOEXEC;
+ default:
+ break;
+ }
with_intel_runtime_pm(gt->uncore->rpm, wakeref)
status = intel_uncore_read(gt->uncore, huc->status.reg);
return (status & huc->status.mask) == huc->status.value;
}
+
+/**
+ * intel_huc_load_status - dump information about HuC load status
+ * @huc: the HuC
+ * @p: the &drm_printer
+ *
+ * Pretty printer for HuC load status.
+ */
+void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p)
+{
+ struct intel_gt *gt = huc_to_gt(huc);
+ intel_wakeref_t wakeref;
+
+ if (!intel_huc_is_supported(huc)) {
+ drm_printf(p, "HuC not supported\n");
+ return;
+ }
+
+ if (!intel_huc_is_wanted(huc)) {
+ drm_printf(p, "HuC disabled\n");
+ return;
+ }
+
+ intel_uc_fw_dump(&huc->fw, p);
+
+ with_intel_runtime_pm(gt->uncore->rpm, wakeref)
+ drm_printf(p, "HuC status: 0x%08x\n",
+ intel_uncore_read(gt->uncore, huc->status.reg));
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.h b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
index a40b9cfc6c22..daee43b661d4 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.h
@@ -57,4 +57,6 @@ static inline bool intel_huc_is_authenticated(struct intel_huc *huc)
return intel_uc_fw_is_running(&huc->fw);
}
+void intel_huc_load_status(struct intel_huc *huc, struct drm_printer *p);
+
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c
new file mode 100644
index 000000000000..5733c15fd123
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <drm/drm_print.h>
+
+#include "gt/debugfs_gt.h"
+#include "intel_huc.h"
+#include "intel_huc_debugfs.h"
+
+static int huc_info_show(struct seq_file *m, void *data)
+{
+ struct intel_huc *huc = m->private;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ if (!intel_huc_is_supported(huc))
+ return -ENODEV;
+
+ intel_huc_load_status(huc, &p);
+
+ return 0;
+}
+DEFINE_GT_DEBUGFS_ATTRIBUTE(huc_info);
+
+void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root)
+{
+ static const struct debugfs_gt_file files[] = {
+ { "huc_info", &huc_info_fops, NULL },
+ };
+
+ if (!intel_huc_is_supported(huc))
+ return;
+
+ intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), huc);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h
new file mode 100644
index 000000000000..be79e992f976
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_HUC_H
+#define DEBUGFS_HUC_H
+
+struct intel_huc;
+struct dentry;
+
+void intel_huc_debugfs_register(struct intel_huc *huc, struct dentry *root);
+
+#endif /* DEBUGFS_HUC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
index 9cdf4cbe691c..e5ef509c70e8 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c
@@ -8,23 +8,6 @@
#include "i915_drv.h"
/**
- * intel_huc_fw_init_early() - initializes HuC firmware struct
- * @huc: intel_huc struct
- *
- * On platforms with HuC selects firmware for uploading
- */
-void intel_huc_fw_init_early(struct intel_huc *huc)
-{
- struct intel_gt *gt = huc_to_gt(huc);
- struct intel_uc *uc = &gt->uc;
- struct drm_i915_private *i915 = gt->i915;
-
- intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC,
- intel_uc_wants_guc(uc),
- INTEL_INFO(i915)->platform, INTEL_REVID(i915));
-}
-
-/**
* intel_huc_fw_upload() - load HuC uCode to device
* @huc: intel_huc structure
*
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
index b791269ce923..12f264ee3e0b 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.h
@@ -8,7 +8,6 @@
struct intel_huc;
-void intel_huc_fw_init_early(struct intel_huc *huc);
int intel_huc_fw_upload(struct intel_huc *huc);
#endif
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
index a4cbe06e06bd..f518fe05c6f9 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
@@ -45,12 +45,12 @@ static void __confirm_options(struct intel_uc *uc)
{
struct drm_i915_private *i915 = uc_to_gt(uc)->i915;
- DRM_DEV_DEBUG_DRIVER(i915->drm.dev,
- "enable_guc=%d (guc:%s submission:%s huc:%s)\n",
- i915_modparams.enable_guc,
- yesno(intel_uc_wants_guc(uc)),
- yesno(intel_uc_wants_guc_submission(uc)),
- yesno(intel_uc_wants_huc(uc)));
+ drm_dbg(&i915->drm,
+ "enable_guc=%d (guc:%s submission:%s huc:%s)\n",
+ i915_modparams.enable_guc,
+ yesno(intel_uc_wants_guc(uc)),
+ yesno(intel_uc_wants_guc_submission(uc)),
+ yesno(intel_uc_wants_huc(uc)));
if (i915_modparams.enable_guc == -1)
return;
@@ -63,25 +63,25 @@ static void __confirm_options(struct intel_uc *uc)
}
if (!intel_uc_supports_guc(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "GuC is not supported!");
if (i915_modparams.enable_guc & ENABLE_GUC_LOAD_HUC &&
!intel_uc_supports_huc(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "HuC is not supported!");
if (i915_modparams.enable_guc & ENABLE_GUC_SUBMISSION &&
!intel_uc_supports_guc_submission(uc))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "GuC submission is N/A");
if (i915_modparams.enable_guc & ~(ENABLE_GUC_SUBMISSION |
ENABLE_GUC_LOAD_HUC))
- dev_info(i915->drm.dev,
+ drm_info(&i915->drm,
"Incompatible option enable_guc=%d - %s\n",
i915_modparams.enable_guc, "undocumented flag");
}
@@ -131,6 +131,13 @@ static void __uc_free_load_err_log(struct intel_uc *uc)
i915_gem_object_put(log);
}
+void intel_uc_driver_remove(struct intel_uc *uc)
+{
+ intel_uc_fini_hw(uc);
+ intel_uc_fini(uc);
+ __uc_free_load_err_log(uc);
+}
+
static inline bool guc_communication_enabled(struct intel_guc *guc)
{
return intel_guc_ct_enabled(&guc->ct);
@@ -311,8 +318,6 @@ static void __uc_fini(struct intel_uc *uc)
{
intel_huc_fini(&uc->huc);
intel_guc_fini(&uc->guc);
-
- __uc_free_load_err_log(uc);
}
static int __uc_sanitize(struct intel_uc *uc)
@@ -475,14 +480,14 @@ static int __uc_init_hw(struct intel_uc *uc)
if (intel_uc_uses_guc_submission(uc))
intel_guc_submission_enable(guc);
- dev_info(i915->drm.dev, "%s firmware %s version %u.%u %s:%s\n",
+ drm_info(&i915->drm, "%s firmware %s version %u.%u %s:%s\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_GUC), guc->fw.path,
guc->fw.major_ver_found, guc->fw.minor_ver_found,
"submission",
enableddisabled(intel_uc_uses_guc_submission(uc)));
if (intel_uc_uses_huc(uc)) {
- dev_info(i915->drm.dev, "%s firmware %s version %u.%u %s:%s\n",
+ drm_info(&i915->drm, "%s firmware %s version %u.%u %s:%s\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_HUC),
huc->fw.path,
huc->fw.major_ver_found, huc->fw.minor_ver_found,
@@ -503,7 +508,7 @@ err_out:
__uc_sanitize(uc);
if (!ret) {
- dev_notice(i915->drm.dev, "GuC is uninitialized\n");
+ drm_notice(&i915->drm, "GuC is uninitialized\n");
/* We want to run without GuC submission */
return 0;
}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.h b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
index 5ae7b50b7dc1..9c954c589edf 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.h
@@ -34,6 +34,7 @@ struct intel_uc {
void intel_uc_init_early(struct intel_uc *uc);
void intel_uc_driver_late_release(struct intel_uc *uc);
+void intel_uc_driver_remove(struct intel_uc *uc);
void intel_uc_init_mmio(struct intel_uc *uc);
void intel_uc_reset_prepare(struct intel_uc *uc);
void intel_uc_suspend(struct intel_uc *uc);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
new file mode 100644
index 000000000000..9d16b784aa0d
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <linux/debugfs.h>
+
+#include "intel_guc_debugfs.h"
+#include "intel_huc_debugfs.h"
+#include "intel_uc.h"
+#include "intel_uc_debugfs.h"
+
+void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root)
+{
+ struct dentry *root;
+
+ if (!gt_root)
+ return;
+
+ /* GuC and HuC go always in pair, no need to check both */
+ if (!intel_uc_supports_guc(uc))
+ return;
+
+ root = debugfs_create_dir("uc", gt_root);
+ if (IS_ERR(root))
+ return;
+
+ intel_guc_debugfs_register(&uc->guc, root);
+ intel_huc_debugfs_register(&uc->huc, root);
+}
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h
new file mode 100644
index 000000000000..010ce250d223
--- /dev/null
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_debugfs.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef DEBUGFS_UC_H
+#define DEBUGFS_UC_H
+
+struct intel_uc;
+struct dentry;
+
+void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root);
+
+#endif /* DEBUGFS_UC_H */
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index 18c755203688..e1caae93996d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -11,26 +11,32 @@
#include "intel_uc_fw_abi.h"
#include "i915_drv.h"
-static inline struct intel_gt *__uc_fw_to_gt(struct intel_uc_fw *uc_fw)
+static inline struct intel_gt *
+____uc_fw_to_gt(struct intel_uc_fw *uc_fw, enum intel_uc_fw_type type)
{
- GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED);
- if (uc_fw->type == INTEL_UC_FW_TYPE_GUC)
+ if (type == INTEL_UC_FW_TYPE_GUC)
return container_of(uc_fw, struct intel_gt, uc.guc.fw);
- GEM_BUG_ON(uc_fw->type != INTEL_UC_FW_TYPE_HUC);
+ GEM_BUG_ON(type != INTEL_UC_FW_TYPE_HUC);
return container_of(uc_fw, struct intel_gt, uc.huc.fw);
}
+static inline struct intel_gt *__uc_fw_to_gt(struct intel_uc_fw *uc_fw)
+{
+ GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED);
+ return ____uc_fw_to_gt(uc_fw, uc_fw->type);
+}
+
#ifdef CONFIG_DRM_I915_DEBUG_GUC
void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
enum intel_uc_fw_status status)
{
uc_fw->__status = status;
- DRM_DEV_DEBUG_DRIVER(__uc_fw_to_gt(uc_fw)->i915->drm.dev,
- "%s firmware -> %s\n",
- intel_uc_fw_type_repr(uc_fw->type),
- status == INTEL_UC_FIRMWARE_SELECTED ?
- uc_fw->path : intel_uc_fw_status_repr(status));
+ drm_dbg(&__uc_fw_to_gt(uc_fw)->i915->drm,
+ "%s firmware -> %s\n",
+ intel_uc_fw_type_repr(uc_fw->type),
+ status == INTEL_UC_FIRMWARE_SELECTED ?
+ uc_fw->path : intel_uc_fw_status_repr(status));
}
#endif
@@ -187,17 +193,15 @@ static void __uc_fw_user_override(struct intel_uc_fw *uc_fw)
* intel_uc_fw_init_early - initialize the uC object and select the firmware
* @uc_fw: uC firmware
* @type: type of uC
- * @supported: is uC support possible
- * @platform: platform identifier
- * @rev: hardware revision
*
* Initialize the state of our uC object and relevant tracking and select the
* firmware to fetch and load.
*/
void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
- enum intel_uc_fw_type type, bool supported,
- enum intel_platform platform, u8 rev)
+ enum intel_uc_fw_type type)
{
+ struct drm_i915_private *i915 = ____uc_fw_to_gt(uc_fw, type)->i915;
+
/*
* we use FIRMWARE_UNINITIALIZED to detect checks against uc_fw->status
* before we're looked at the HW caps to see if we have uc support
@@ -208,8 +212,10 @@ void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
uc_fw->type = type;
- if (supported) {
- __uc_fw_auto_select(uc_fw, platform, rev);
+ if (HAS_GT_UC(i915)) {
+ __uc_fw_auto_select(uc_fw,
+ INTEL_INFO(i915)->platform,
+ INTEL_REVID(i915));
__uc_fw_user_override(uc_fw);
}
@@ -290,7 +296,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* Check the size of the blob before examining buffer contents */
if (unlikely(fw->size < sizeof(struct uc_css_header))) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu < %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, sizeof(struct uc_css_header));
err = -ENODATA;
@@ -303,7 +309,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
size = (css->header_size_dw - css->key_size_dw - css->modulus_size_dw -
css->exponent_size_dw) * sizeof(u32);
if (unlikely(size != sizeof(struct uc_css_header))) {
- dev_warn(dev,
+ drm_warn(&i915->drm,
"%s firmware %s: unexpected header size: %zu != %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, sizeof(struct uc_css_header));
@@ -316,7 +322,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* now RSA */
if (unlikely(css->key_size_dw != UOS_RSA_SCRATCH_COUNT)) {
- dev_warn(dev, "%s firmware %s: unexpected key size: %u != %u\n",
+ drm_warn(&i915->drm, "%s firmware %s: unexpected key size: %u != %u\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
css->key_size_dw, UOS_RSA_SCRATCH_COUNT);
err = -EPROTO;
@@ -327,7 +333,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* At least, it should have header, uCode and RSA. Size of all three. */
size = sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->rsa_size;
if (unlikely(fw->size < size)) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu < %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu < %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
fw->size, size);
err = -ENOEXEC;
@@ -337,7 +343,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
/* Sanity check whether this fw is not larger than whole WOPCM memory */
size = __intel_uc_fw_get_upload_size(uc_fw);
if (unlikely(size >= i915->wopcm.size)) {
- dev_warn(dev, "%s firmware %s: invalid size: %zu > %zu\n",
+ drm_warn(&i915->drm, "%s firmware %s: invalid size: %zu > %zu\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
size, (size_t)i915->wopcm.size);
err = -E2BIG;
@@ -352,7 +358,7 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
if (uc_fw->major_ver_found != uc_fw->major_ver_wanted ||
uc_fw->minor_ver_found < uc_fw->minor_ver_wanted) {
- dev_notice(dev, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
+ drm_notice(&i915->drm, "%s firmware %s: unexpected version: %u.%u != %u.%u\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path,
uc_fw->major_ver_found, uc_fw->minor_ver_found,
uc_fw->major_ver_wanted, uc_fw->minor_ver_wanted);
@@ -380,9 +386,9 @@ fail:
INTEL_UC_FIRMWARE_MISSING :
INTEL_UC_FIRMWARE_ERROR);
- dev_notice(dev, "%s firmware %s: fetch failed with error %d\n",
+ drm_notice(&i915->drm, "%s firmware %s: fetch failed with error %d\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err);
- dev_info(dev, "%s firmware(s) can be downloaded from %s\n",
+ drm_info(&i915->drm, "%s firmware(s) can be downloaded from %s\n",
intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL);
release_firmware(fw); /* OK even if fw is NULL */
@@ -467,7 +473,7 @@ static int uc_fw_xfer(struct intel_uc_fw *uc_fw, u32 dst_offset, u32 dma_flags)
/* Wait for DMA to finish */
ret = intel_wait_for_register_fw(uncore, DMA_CTRL, START_DMA, 0, 100);
if (ret)
- dev_err(gt->i915->drm.dev, "DMA for %s fw failed, DMA_CTRL=%u\n",
+ drm_err(&gt->i915->drm, "DMA for %s fw failed, DMA_CTRL=%u\n",
intel_uc_fw_type_repr(uc_fw->type),
intel_uncore_read_fw(uncore, DMA_CTRL));
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
index 888ff0de0244..23d3a423ac0f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
@@ -239,8 +239,7 @@ static inline u32 intel_uc_fw_get_upload_size(struct intel_uc_fw *uc_fw)
}
void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw,
- enum intel_uc_fw_type type, bool supported,
- enum intel_platform platform, u8 rev);
+ enum intel_uc_fw_type type);
int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw);
void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw);
int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, u32 offset, u32 dma_flags);
diff --git a/drivers/gpu/drm/i915/gvt/aperture_gm.c b/drivers/gpu/drm/i915/gvt/aperture_gm.c
index 8b13f091cee2..0d6d59871308 100644
--- a/drivers/gpu/drm/i915/gvt/aperture_gm.c
+++ b/drivers/gpu/drm/i915/gvt/aperture_gm.c
@@ -35,7 +35,7 @@
*/
#include "i915_drv.h"
-#include "i915_gem_fence_reg.h"
+#include "gt/intel_ggtt_fencing.h"
#include "gvt.h"
static int alloc_gm(struct intel_vgpu *vgpu, bool high_gm)
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c
index a3cc080a46c6..8b87f130f7f1 100644
--- a/drivers/gpu/drm/i915/gvt/cmd_parser.c
+++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c
@@ -882,6 +882,47 @@ static int mocs_cmd_reg_handler(struct parser_exec_state *s,
return 0;
}
+static int is_cmd_update_pdps(unsigned int offset,
+ struct parser_exec_state *s)
+{
+ u32 base = s->workload->engine->mmio_base;
+ return i915_mmio_reg_equal(_MMIO(offset), GEN8_RING_PDP_UDW(base, 0));
+}
+
+static int cmd_pdp_mmio_update_handler(struct parser_exec_state *s,
+ unsigned int offset, unsigned int index)
+{
+ struct intel_vgpu *vgpu = s->vgpu;
+ struct intel_vgpu_mm *shadow_mm = s->workload->shadow_mm;
+ struct intel_vgpu_mm *mm;
+ u64 pdps[GEN8_3LVL_PDPES];
+
+ if (shadow_mm->ppgtt_mm.root_entry_type ==
+ GTT_TYPE_PPGTT_ROOT_L4_ENTRY) {
+ pdps[0] = (u64)cmd_val(s, 2) << 32;
+ pdps[0] |= cmd_val(s, 4);
+
+ mm = intel_vgpu_find_ppgtt_mm(vgpu, pdps);
+ if (!mm) {
+ gvt_vgpu_err("failed to get the 4-level shadow vm\n");
+ return -EINVAL;
+ }
+ intel_vgpu_mm_get(mm);
+ list_add_tail(&mm->ppgtt_mm.link,
+ &s->workload->lri_shadow_mm);
+ *cmd_ptr(s, 2) = upper_32_bits(mm->ppgtt_mm.shadow_pdps[0]);
+ *cmd_ptr(s, 4) = lower_32_bits(mm->ppgtt_mm.shadow_pdps[0]);
+ } else {
+ /* Currently all guests use PML4 table and now can't
+ * have a guest with 3-level table but uses LRI for
+ * PPGTT update. So this is simply un-testable. */
+ GEM_BUG_ON(1);
+ gvt_vgpu_err("invalid shared shadow vm type\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int cmd_reg_handler(struct parser_exec_state *s,
unsigned int offset, unsigned int index, char *cmd)
{
@@ -920,6 +961,10 @@ static int cmd_reg_handler(struct parser_exec_state *s,
patch_value(s, cmd_ptr(s, index), VGT_PVINFO_PAGE);
}
+ if (is_cmd_update_pdps(offset, s) &&
+ cmd_pdp_mmio_update_handler(s, offset, index))
+ return -EINVAL;
+
/* TODO
* In order to let workload with inhibit context to generate
* correct image data into memory, vregs values will be loaded to
diff --git a/drivers/gpu/drm/i915/gvt/display.c b/drivers/gpu/drm/i915/gvt/display.c
index a83df2f84eb9..a1696e9ce4b6 100644
--- a/drivers/gpu/drm/i915/gvt/display.c
+++ b/drivers/gpu/drm/i915/gvt/display.c
@@ -208,14 +208,41 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
SKL_FUSE_PG_DIST_STATUS(SKL_PG0) |
SKL_FUSE_PG_DIST_STATUS(SKL_PG1) |
SKL_FUSE_PG_DIST_STATUS(SKL_PG2);
- vgpu_vreg_t(vgpu, LCPLL1_CTL) |=
- LCPLL_PLL_ENABLE |
- LCPLL_PLL_LOCK;
- vgpu_vreg_t(vgpu, LCPLL2_CTL) |= LCPLL_PLL_ENABLE;
-
+ /*
+ * Only 1 PIPE enabled in current vGPU display and PIPE_A is
+ * tied to TRANSCODER_A in HW, so it's safe to assume PIPE_A,
+ * TRANSCODER_A can be enabled. PORT_x depends on the input of
+ * setup_virtual_dp_monitor, we can bind DPLL0 to any PORT_x
+ * so we fixed to DPLL0 here.
+ * Setup DPLL0: DP link clk 1620 MHz, non SSC, DP Mode
+ */
+ vgpu_vreg_t(vgpu, DPLL_CTRL1) =
+ DPLL_CTRL1_OVERRIDE(DPLL_ID_SKL_DPLL0);
+ vgpu_vreg_t(vgpu, DPLL_CTRL1) |=
+ DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, DPLL_ID_SKL_DPLL0);
+ vgpu_vreg_t(vgpu, LCPLL1_CTL) =
+ LCPLL_PLL_ENABLE | LCPLL_PLL_LOCK;
+ vgpu_vreg_t(vgpu, DPLL_STATUS) = DPLL_LOCK(DPLL_ID_SKL_DPLL0);
+ /*
+ * Golden M/N are calculated based on:
+ * 24 bpp, 4 lanes, 154000 pixel clk (from virtual EDID),
+ * DP link clk 1620 MHz and non-constant_n.
+ * TODO: calculate DP link symbol clk and stream clk m/n.
+ */
+ vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) = 63 << TU_SIZE_SHIFT;
+ vgpu_vreg_t(vgpu, PIPE_DATA_M1(TRANSCODER_A)) |= 0x5b425e;
+ vgpu_vreg_t(vgpu, PIPE_DATA_N1(TRANSCODER_A)) = 0x800000;
+ vgpu_vreg_t(vgpu, PIPE_LINK_M1(TRANSCODER_A)) = 0x3cd6e;
+ vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)) = 0x80000;
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) {
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
+ ~DPLL_CTRL2_DDI_CLK_OFF(PORT_B);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_B);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_B);
vgpu_vreg_t(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
@@ -236,6 +263,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) {
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
+ ~DPLL_CTRL2_DDI_CLK_OFF(PORT_C);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_C);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_C);
vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
@@ -256,6 +289,12 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) {
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) &=
+ ~DPLL_CTRL2_DDI_CLK_OFF(PORT_D);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_CLK_SEL(DPLL_ID_SKL_DPLL0, PORT_D);
+ vgpu_vreg_t(vgpu, DPLL_CTRL2) |=
+ DPLL_CTRL2_DDI_SEL_OVERRIDE(PORT_D);
vgpu_vreg_t(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;
vgpu_vreg_t(vgpu, TRANS_DDI_FUNC_CTL(TRANSCODER_A)) &=
~(TRANS_DDI_BPC_MASK | TRANS_DDI_MODE_SELECT_MASK |
diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c
index dd25c3024370..158873f269b1 100644
--- a/drivers/gpu/drm/i915/gvt/execlist.c
+++ b/drivers/gpu/drm/i915/gvt/execlist.c
@@ -424,8 +424,6 @@ static int complete_execlist_workload(struct intel_vgpu_workload *workload)
ret = emulate_execlist_ctx_schedule_out(execlist, &workload->ctx_desc);
out:
- intel_vgpu_unpin_mm(workload->shadow_mm);
- intel_vgpu_destroy_workload(workload);
return ret;
}
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 2a4b23f8aa74..210016192ce7 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1900,6 +1900,7 @@ struct intel_vgpu_mm *intel_vgpu_create_ppgtt_mm(struct intel_vgpu *vgpu,
INIT_LIST_HEAD(&mm->ppgtt_mm.list);
INIT_LIST_HEAD(&mm->ppgtt_mm.lru_list);
+ INIT_LIST_HEAD(&mm->ppgtt_mm.link);
if (root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY)
mm->ppgtt_mm.guest_pdps[0] = pdps[0];
@@ -2341,12 +2342,27 @@ int intel_vgpu_emulate_ggtt_mmio_write(struct intel_vgpu *vgpu,
{
const struct intel_gvt_device_info *info = &vgpu->gvt->device_info;
int ret;
+ struct intel_vgpu_submission *s = &vgpu->submission;
+ struct intel_engine_cs *engine;
+ int i;
if (bytes != 4 && bytes != 8)
return -EINVAL;
off -= info->gtt_start_offset;
ret = emulate_ggtt_mmio_write(vgpu, off, p_data, bytes);
+
+ /* if ggtt of last submitted context is written,
+ * that context is probably got unpinned.
+ * Set last shadowed ctx to invalid.
+ */
+ for_each_engine(engine, vgpu->gvt->gt, i) {
+ if (!s->last_ctx[i].valid)
+ continue;
+
+ if (s->last_ctx[i].lrca == (off >> info->gtt_entry_size_shift))
+ s->last_ctx[i].valid = false;
+ }
return ret;
}
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index 88789316807d..320b8d6ad92f 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -160,6 +160,7 @@ struct intel_vgpu_mm {
struct list_head list;
struct list_head lru_list;
+ struct list_head link; /* possible LRI shadow mm list */
} ppgtt_mm;
struct {
void *virtual_ggtt;
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c
index 9e1787867894..c7c561237883 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.c
+++ b/drivers/gpu/drm/i915/gvt/gvt.c
@@ -31,7 +31,6 @@
*/
#include <linux/types.h>
-#include <xen/xen.h>
#include <linux/kthread.h>
#include "i915_drv.h"
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h
index 58c2c7932e3f..a4a6db6b7f90 100644
--- a/drivers/gpu/drm/i915/gvt/gvt.h
+++ b/drivers/gpu/drm/i915/gvt/gvt.h
@@ -163,6 +163,11 @@ struct intel_vgpu_submission {
const struct intel_vgpu_submission_ops *ops;
int virtual_submission_interface;
bool active;
+ struct {
+ u32 lrca;
+ bool valid;
+ u64 ring_context_gpa;
+ } last_ctx[I915_NUM_ENGINES];
};
struct intel_vgpu {
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 2faf50e1b051..3e88e3b5c43a 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -2812,7 +2812,7 @@ static int init_bdw_mmio_info(struct intel_gvt *gvt)
MMIO_D(GAMTARBMODE, D_BDW_PLUS);
#define RING_REG(base) _MMIO((base) + 0x270)
- MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
+ MMIO_RING_F(RING_REG, 32, F_CMD_ACCESS, 0, 0, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, hws_pga_write);
diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h
index b17c4a1599cd..b79da5124f83 100644
--- a/drivers/gpu/drm/i915/gvt/hypercall.h
+++ b/drivers/gpu/drm/i915/gvt/hypercall.h
@@ -79,6 +79,4 @@ struct intel_gvt_mpt {
bool (*is_valid_gfn)(unsigned long handle, unsigned long gfn);
};
-extern struct intel_gvt_mpt xengt_mpt;
-
#endif /* _GVT_HYPERCALL_H_ */
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c
index cb11c3184085..0fb1df71c637 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -58,10 +58,8 @@ static void set_context_pdp_root_pointer(
static void update_shadow_pdps(struct intel_vgpu_workload *workload)
{
- struct drm_i915_gem_object *ctx_obj =
- workload->req->context->state->obj;
struct execlist_ring_context *shadow_ring_context;
- struct page *page;
+ struct intel_context *ctx = workload->req->context;
if (WARN_ON(!workload->shadow_mm))
return;
@@ -69,11 +67,9 @@ static void update_shadow_pdps(struct intel_vgpu_workload *workload)
if (WARN_ON(!atomic_read(&workload->shadow_mm->pincount)))
return;
- page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
- shadow_ring_context = kmap(page);
+ shadow_ring_context = (struct execlist_ring_context *)ctx->lrc_reg_state;
set_context_pdp_root_pointer(shadow_ring_context,
(void *)workload->shadow_mm->ppgtt_mm.shadow_pdps);
- kunmap(page);
}
/*
@@ -128,16 +124,24 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload)
{
struct intel_vgpu *vgpu = workload->vgpu;
struct intel_gvt *gvt = vgpu->gvt;
- struct drm_i915_gem_object *ctx_obj =
- workload->req->context->state->obj;
+ struct intel_context *ctx = workload->req->context;
struct execlist_ring_context *shadow_ring_context;
- struct page *page;
void *dst;
+ void *context_base;
unsigned long context_gpa, context_page_num;
+ unsigned long gpa_base; /* first gpa of consecutive GPAs */
+ unsigned long gpa_size; /* size of consecutive GPAs */
+ struct intel_vgpu_submission *s = &vgpu->submission;
int i;
+ bool skip = false;
+ int ring_id = workload->engine->id;
+
+ GEM_BUG_ON(!intel_context_is_pinned(ctx));
+
+ context_base = (void *) ctx->lrc_reg_state -
+ (LRC_STATE_PN << I915_GTT_PAGE_SHIFT);
- page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
- shadow_ring_context = kmap(page);
+ shadow_ring_context = (void *) ctx->lrc_reg_state;
sr_oa_regs(workload, (u32 *)shadow_ring_context, true);
#define COPY_REG(name) \
@@ -169,23 +173,43 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload)
I915_GTT_PAGE_SIZE - sizeof(*shadow_ring_context));
sr_oa_regs(workload, (u32 *)shadow_ring_context, false);
- kunmap(page);
- if (IS_RESTORE_INHIBIT(shadow_ring_context->ctx_ctrl.val))
- return 0;
+ gvt_dbg_sched("ring %s workload lrca %x, ctx_id %x, ctx gpa %llx",
+ workload->engine->name, workload->ctx_desc.lrca,
+ workload->ctx_desc.context_id,
+ workload->ring_context_gpa);
- gvt_dbg_sched("ring %s workload lrca %x",
- workload->engine->name,
- workload->ctx_desc.lrca);
+ /* only need to ensure this context is not pinned/unpinned during the
+ * period from last submission to this this submission.
+ * Upon reaching this function, the currently submitted context is not
+ * supposed to get unpinned. If a misbehaving guest driver ever does
+ * this, it would corrupt itself.
+ */
+ if (s->last_ctx[ring_id].valid &&
+ (s->last_ctx[ring_id].lrca ==
+ workload->ctx_desc.lrca) &&
+ (s->last_ctx[ring_id].ring_context_gpa ==
+ workload->ring_context_gpa))
+ skip = true;
+
+ s->last_ctx[ring_id].lrca = workload->ctx_desc.lrca;
+ s->last_ctx[ring_id].ring_context_gpa = workload->ring_context_gpa;
+ if (IS_RESTORE_INHIBIT(shadow_ring_context->ctx_ctrl.val) || skip)
+ return 0;
+
+ s->last_ctx[ring_id].valid = false;
context_page_num = workload->engine->context_size;
context_page_num = context_page_num >> PAGE_SHIFT;
if (IS_BROADWELL(gvt->gt->i915) && workload->engine->id == RCS0)
context_page_num = 19;
- i = 2;
- while (i < context_page_num) {
+ /* find consecutive GPAs from gma until the first inconsecutive GPA.
+ * read from the continuous GPAs into dst virtual address
+ */
+ gpa_size = 0;
+ for (i = 2; i < context_page_num; i++) {
context_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm,
(u32)((workload->ctx_desc.lrca + i) <<
I915_GTT_PAGE_SHIFT));
@@ -194,13 +218,26 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload)
return -EFAULT;
}
- page = i915_gem_object_get_page(ctx_obj, i);
- dst = kmap(page);
- intel_gvt_hypervisor_read_gpa(vgpu, context_gpa, dst,
- I915_GTT_PAGE_SIZE);
- kunmap(page);
- i++;
+ if (gpa_size == 0) {
+ gpa_base = context_gpa;
+ dst = context_base + (i << I915_GTT_PAGE_SHIFT);
+ } else if (context_gpa != gpa_base + gpa_size)
+ goto read;
+
+ gpa_size += I915_GTT_PAGE_SIZE;
+
+ if (i == context_page_num - 1)
+ goto read;
+
+ continue;
+
+read:
+ intel_gvt_hypervisor_read_gpa(vgpu, gpa_base, dst, gpa_size);
+ gpa_base = context_gpa;
+ gpa_size = I915_GTT_PAGE_SIZE;
+ dst = context_base + (i << I915_GTT_PAGE_SHIFT);
}
+ s->last_ctx[ring_id].valid = true;
return 0;
}
@@ -290,7 +327,7 @@ static void
shadow_context_descriptor_update(struct intel_context *ce,
struct intel_vgpu_workload *workload)
{
- u64 desc = ce->lrc_desc;
+ u64 desc = ce->lrc.desc;
/*
* Update bits 0-11 of the context descriptor which includes flags
@@ -300,7 +337,7 @@ shadow_context_descriptor_update(struct intel_context *ce,
desc |= (u64)workload->ctx_desc.addressing_mode <<
GEN8_CTX_ADDRESSING_MODE_SHIFT;
- ce->lrc_desc = desc;
+ ce->lrc.desc = desc;
}
static int copy_workload_to_ring_buffer(struct intel_vgpu_workload *workload)
@@ -379,7 +416,11 @@ static void set_context_ppgtt_from_shadow(struct intel_vgpu_workload *workload,
for (i = 0; i < GVT_RING_CTX_NR_PDPS; i++) {
struct i915_page_directory * const pd =
i915_pd_entry(ppgtt->pd, i);
-
+ /* skip now as current i915 ppgtt alloc won't allocate
+ top level pdp for non 4-level table, won't impact
+ shadow ppgtt. */
+ if (!pd)
+ break;
px_dma(pd) = mm->ppgtt_mm.shadow_pdps[i];
}
}
@@ -595,10 +636,9 @@ static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload)
if (bb->va && !IS_ERR(bb->va))
i915_gem_object_unpin_map(bb->obj);
- if (bb->vma && !IS_ERR(bb->vma)) {
+ if (bb->vma && !IS_ERR(bb->vma))
i915_vma_unpin(bb->vma);
- i915_vma_close(bb->vma);
- }
+
i915_gem_object_put(bb->obj);
}
list_del(&bb->list);
@@ -606,10 +646,11 @@ static void release_shadow_batch_buffer(struct intel_vgpu_workload *workload)
}
}
-static int prepare_workload(struct intel_vgpu_workload *workload)
+static int
+intel_vgpu_shadow_mm_pin(struct intel_vgpu_workload *workload)
{
struct intel_vgpu *vgpu = workload->vgpu;
- struct intel_vgpu_submission *s = &vgpu->submission;
+ struct intel_vgpu_mm *m;
int ret = 0;
ret = intel_vgpu_pin_mm(workload->shadow_mm);
@@ -624,6 +665,52 @@ static int prepare_workload(struct intel_vgpu_workload *workload)
return -EINVAL;
}
+ if (!list_empty(&workload->lri_shadow_mm)) {
+ list_for_each_entry(m, &workload->lri_shadow_mm,
+ ppgtt_mm.link) {
+ ret = intel_vgpu_pin_mm(m);
+ if (ret) {
+ list_for_each_entry_from_reverse(m,
+ &workload->lri_shadow_mm,
+ ppgtt_mm.link)
+ intel_vgpu_unpin_mm(m);
+ gvt_vgpu_err("LRI shadow ppgtt fail to pin\n");
+ break;
+ }
+ }
+ }
+
+ if (ret)
+ intel_vgpu_unpin_mm(workload->shadow_mm);
+
+ return ret;
+}
+
+static void
+intel_vgpu_shadow_mm_unpin(struct intel_vgpu_workload *workload)
+{
+ struct intel_vgpu_mm *m;
+
+ if (!list_empty(&workload->lri_shadow_mm)) {
+ list_for_each_entry(m, &workload->lri_shadow_mm,
+ ppgtt_mm.link)
+ intel_vgpu_unpin_mm(m);
+ }
+ intel_vgpu_unpin_mm(workload->shadow_mm);
+}
+
+static int prepare_workload(struct intel_vgpu_workload *workload)
+{
+ struct intel_vgpu *vgpu = workload->vgpu;
+ struct intel_vgpu_submission *s = &vgpu->submission;
+ int ret = 0;
+
+ ret = intel_vgpu_shadow_mm_pin(workload);
+ if (ret) {
+ gvt_vgpu_err("fail to pin shadow mm\n");
+ return ret;
+ }
+
update_shadow_pdps(workload);
set_context_ppgtt_from_shadow(workload, s->shadow[workload->engine->id]);
@@ -670,7 +757,7 @@ err_shadow_wa_ctx:
err_shadow_batch:
release_shadow_batch_buffer(workload);
err_unpin_mm:
- intel_vgpu_unpin_mm(workload->shadow_mm);
+ intel_vgpu_shadow_mm_unpin(workload);
return ret;
}
@@ -780,15 +867,48 @@ out:
return workload;
}
+static void update_guest_pdps(struct intel_vgpu *vgpu,
+ u64 ring_context_gpa, u32 pdp[8])
+{
+ u64 gpa;
+ int i;
+
+ gpa = ring_context_gpa + RING_CTX_OFF(pdps[0].val);
+
+ for (i = 0; i < 8; i++)
+ intel_gvt_hypervisor_write_gpa(vgpu,
+ gpa + i * 8, &pdp[7 - i], 4);
+}
+
+static __maybe_unused bool
+check_shadow_context_ppgtt(struct execlist_ring_context *c, struct intel_vgpu_mm *m)
+{
+ if (m->ppgtt_mm.root_entry_type == GTT_TYPE_PPGTT_ROOT_L4_ENTRY) {
+ u64 shadow_pdp = c->pdps[7].val | (u64) c->pdps[6].val << 32;
+
+ if (shadow_pdp != m->ppgtt_mm.shadow_pdps[0]) {
+ gvt_dbg_mm("4-level context ppgtt not match LRI command\n");
+ return false;
+ }
+ return true;
+ } else {
+ /* see comment in LRI handler in cmd_parser.c */
+ gvt_dbg_mm("invalid shadow mm type\n");
+ return false;
+ }
+}
+
static void update_guest_context(struct intel_vgpu_workload *workload)
{
struct i915_request *rq = workload->req;
struct intel_vgpu *vgpu = workload->vgpu;
- struct drm_i915_gem_object *ctx_obj = rq->context->state->obj;
struct execlist_ring_context *shadow_ring_context;
- struct page *page;
+ struct intel_context *ctx = workload->req->context;
+ void *context_base;
void *src;
unsigned long context_gpa, context_page_num;
+ unsigned long gpa_base; /* first gpa of consecutive GPAs */
+ unsigned long gpa_size; /* size of consecutive GPAs*/
int i;
u32 ring_base;
u32 head, tail;
@@ -797,6 +917,8 @@ static void update_guest_context(struct intel_vgpu_workload *workload)
gvt_dbg_sched("ring id %d workload lrca %x\n", rq->engine->id,
workload->ctx_desc.lrca);
+ GEM_BUG_ON(!intel_context_is_pinned(ctx));
+
head = workload->rb_head;
tail = workload->rb_tail;
wrap_count = workload->guest_rb_head >> RB_HEAD_WRAP_CNT_OFF;
@@ -820,9 +942,14 @@ static void update_guest_context(struct intel_vgpu_workload *workload)
if (IS_BROADWELL(rq->i915) && rq->engine->id == RCS0)
context_page_num = 19;
- i = 2;
+ context_base = (void *) ctx->lrc_reg_state -
+ (LRC_STATE_PN << I915_GTT_PAGE_SHIFT);
- while (i < context_page_num) {
+ /* find consecutive GPAs from gma until the first inconsecutive GPA.
+ * write to the consecutive GPAs from src virtual address
+ */
+ gpa_size = 0;
+ for (i = 2; i < context_page_num; i++) {
context_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm,
(u32)((workload->ctx_desc.lrca + i) <<
I915_GTT_PAGE_SHIFT));
@@ -831,19 +958,39 @@ static void update_guest_context(struct intel_vgpu_workload *workload)
return;
}
- page = i915_gem_object_get_page(ctx_obj, i);
- src = kmap(page);
- intel_gvt_hypervisor_write_gpa(vgpu, context_gpa, src,
- I915_GTT_PAGE_SIZE);
- kunmap(page);
- i++;
+ if (gpa_size == 0) {
+ gpa_base = context_gpa;
+ src = context_base + (i << I915_GTT_PAGE_SHIFT);
+ } else if (context_gpa != gpa_base + gpa_size)
+ goto write;
+
+ gpa_size += I915_GTT_PAGE_SIZE;
+
+ if (i == context_page_num - 1)
+ goto write;
+
+ continue;
+
+write:
+ intel_gvt_hypervisor_write_gpa(vgpu, gpa_base, src, gpa_size);
+ gpa_base = context_gpa;
+ gpa_size = I915_GTT_PAGE_SIZE;
+ src = context_base + (i << I915_GTT_PAGE_SHIFT);
}
intel_gvt_hypervisor_write_gpa(vgpu, workload->ring_context_gpa +
RING_CTX_OFF(ring_header.val), &workload->rb_tail, 4);
- page = i915_gem_object_get_page(ctx_obj, LRC_STATE_PN);
- shadow_ring_context = kmap(page);
+ shadow_ring_context = (void *) ctx->lrc_reg_state;
+
+ if (!list_empty(&workload->lri_shadow_mm)) {
+ struct intel_vgpu_mm *m = list_last_entry(&workload->lri_shadow_mm,
+ struct intel_vgpu_mm,
+ ppgtt_mm.link);
+ GEM_BUG_ON(!check_shadow_context_ppgtt(shadow_ring_context, m));
+ update_guest_pdps(vgpu, workload->ring_context_gpa,
+ (void *)m->ppgtt_mm.guest_pdps);
+ }
#define COPY_REG(name) \
intel_gvt_hypervisor_write_gpa(vgpu, workload->ring_context_gpa + \
@@ -860,8 +1007,6 @@ static void update_guest_context(struct intel_vgpu_workload *workload)
(void *)shadow_ring_context +
sizeof(*shadow_ring_context),
I915_GTT_PAGE_SIZE - sizeof(*shadow_ring_context));
-
- kunmap(page);
}
void intel_vgpu_clean_workloads(struct intel_vgpu *vgpu,
@@ -955,6 +1100,9 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
workload->complete(workload);
+ intel_vgpu_shadow_mm_unpin(workload);
+ intel_vgpu_destroy_workload(workload);
+
atomic_dec(&s->running_workload_num);
wake_up(&scheduler->workload_complete_wq);
@@ -1260,6 +1408,8 @@ int intel_vgpu_setup_submission(struct intel_vgpu *vgpu)
atomic_set(&s->running_workload_num, 0);
bitmap_zero(s->tlb_handle_pending, I915_NUM_ENGINES);
+ memset(s->last_ctx, 0, sizeof(s->last_ctx));
+
i915_vm_put(&ppgtt->vm);
return 0;
@@ -1346,6 +1496,16 @@ void intel_vgpu_destroy_workload(struct intel_vgpu_workload *workload)
release_shadow_batch_buffer(workload);
release_shadow_wa_ctx(&workload->wa_ctx);
+ if (!list_empty(&workload->lri_shadow_mm)) {
+ struct intel_vgpu_mm *m, *mm;
+ list_for_each_entry_safe(m, mm, &workload->lri_shadow_mm,
+ ppgtt_mm.link) {
+ list_del(&m->ppgtt_mm.link);
+ intel_vgpu_mm_put(m);
+ }
+ }
+
+ GEM_BUG_ON(!list_empty(&workload->lri_shadow_mm));
if (workload->shadow_mm)
intel_vgpu_mm_put(workload->shadow_mm);
@@ -1364,6 +1524,7 @@ alloc_workload(struct intel_vgpu *vgpu)
INIT_LIST_HEAD(&workload->list);
INIT_LIST_HEAD(&workload->shadow_bb);
+ INIT_LIST_HEAD(&workload->lri_shadow_mm);
init_waitqueue_head(&workload->shadow_ctx_status_wq);
atomic_set(&workload->shadow_ctx_active, 0);
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index bf7fc0ca4cb1..15d317f2a4a4 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -87,6 +87,7 @@ struct intel_vgpu_workload {
int status;
struct intel_vgpu_mm *shadow_mm;
+ struct list_head lri_shadow_mm; /* For PPGTT load cmd */
/* different submission model may need different handler */
int (*prepare)(struct intel_vgpu_workload *);
diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c
index c4048628188a..d960d0be5bd2 100644
--- a/drivers/gpu/drm/i915/i915_active.c
+++ b/drivers/gpu/drm/i915/i915_active.c
@@ -496,7 +496,7 @@ static int flush_lazy_signals(struct i915_active *ref)
return err;
}
-int i915_active_wait(struct i915_active *ref)
+int __i915_active_wait(struct i915_active *ref, int state)
{
int err;
@@ -511,7 +511,9 @@ int i915_active_wait(struct i915_active *ref)
if (err)
return err;
- if (wait_var_event_interruptible(ref, i915_active_is_idle(ref)))
+ if (!i915_active_is_idle(ref) &&
+ ___wait_var_event(ref, i915_active_is_idle(ref),
+ state, 0, 0, schedule()))
return -EINTR;
flush_work(&ref->work);
@@ -540,34 +542,88 @@ static int __await_active(struct i915_active_fence *active,
return 0;
}
+struct wait_barrier {
+ struct wait_queue_entry base;
+ struct i915_active *ref;
+};
+
+static int
+barrier_wake(wait_queue_entry_t *wq, unsigned int mode, int flags, void *key)
+{
+ struct wait_barrier *wb = container_of(wq, typeof(*wb), base);
+
+ if (i915_active_is_idle(wb->ref)) {
+ list_del(&wq->entry);
+ i915_sw_fence_complete(wq->private);
+ kfree(wq);
+ }
+
+ return 0;
+}
+
+static int __await_barrier(struct i915_active *ref, struct i915_sw_fence *fence)
+{
+ struct wait_barrier *wb;
+
+ wb = kmalloc(sizeof(*wb), GFP_KERNEL);
+ if (unlikely(!wb))
+ return -ENOMEM;
+
+ GEM_BUG_ON(i915_active_is_idle(ref));
+ if (!i915_sw_fence_await(fence)) {
+ kfree(wb);
+ return -EINVAL;
+ }
+
+ wb->base.flags = 0;
+ wb->base.func = barrier_wake;
+ wb->base.private = fence;
+ wb->ref = ref;
+
+ add_wait_queue(__var_waitqueue(ref), &wb->base);
+ return 0;
+}
+
static int await_active(struct i915_active *ref,
unsigned int flags,
int (*fn)(void *arg, struct dma_fence *fence),
- void *arg)
+ void *arg, struct i915_sw_fence *barrier)
{
int err = 0;
- /* We must always wait for the exclusive fence! */
- if (rcu_access_pointer(ref->excl.fence)) {
+ if (!i915_active_acquire_if_busy(ref))
+ return 0;
+
+ if (flags & I915_ACTIVE_AWAIT_EXCL &&
+ rcu_access_pointer(ref->excl.fence)) {
err = __await_active(&ref->excl, fn, arg);
if (err)
- return err;
+ goto out;
}
- if (flags & I915_ACTIVE_AWAIT_ALL && i915_active_acquire_if_busy(ref)) {
+ if (flags & I915_ACTIVE_AWAIT_ACTIVE) {
struct active_node *it, *n;
rbtree_postorder_for_each_entry_safe(it, n, &ref->tree, node) {
err = __await_active(&it->base, fn, arg);
if (err)
- break;
+ goto out;
}
- i915_active_release(ref);
+ }
+
+ if (flags & I915_ACTIVE_AWAIT_BARRIER) {
+ err = flush_lazy_signals(ref);
if (err)
- return err;
+ goto out;
+
+ err = __await_barrier(ref, barrier);
+ if (err)
+ goto out;
}
- return 0;
+out:
+ i915_active_release(ref);
+ return err;
}
static int rq_await_fence(void *arg, struct dma_fence *fence)
@@ -579,7 +635,7 @@ int i915_request_await_active(struct i915_request *rq,
struct i915_active *ref,
unsigned int flags)
{
- return await_active(ref, flags, rq_await_fence, rq);
+ return await_active(ref, flags, rq_await_fence, rq, &rq->submit);
}
static int sw_await_fence(void *arg, struct dma_fence *fence)
@@ -592,7 +648,7 @@ int i915_sw_fence_await_active(struct i915_sw_fence *fence,
struct i915_active *ref,
unsigned int flags)
{
- return await_active(ref, flags, sw_await_fence, fence);
+ return await_active(ref, flags, sw_await_fence, fence, fence);
}
#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)
@@ -818,7 +874,7 @@ void i915_active_acquire_barrier(struct i915_active *ref)
GEM_BUG_ON(!intel_engine_pm_is_awake(engine));
llist_add(barrier_to_ll(node), &engine->barrier_tasks);
- intel_engine_pm_put(engine);
+ intel_engine_pm_put_delay(engine, 1);
}
}
@@ -937,6 +993,59 @@ void i915_active_noop(struct dma_fence *fence, struct dma_fence_cb *cb)
active_fence_cb(fence, cb);
}
+struct auto_active {
+ struct i915_active base;
+ struct kref ref;
+};
+
+struct i915_active *i915_active_get(struct i915_active *ref)
+{
+ struct auto_active *aa = container_of(ref, typeof(*aa), base);
+
+ kref_get(&aa->ref);
+ return &aa->base;
+}
+
+static void auto_release(struct kref *ref)
+{
+ struct auto_active *aa = container_of(ref, typeof(*aa), ref);
+
+ i915_active_fini(&aa->base);
+ kfree(aa);
+}
+
+void i915_active_put(struct i915_active *ref)
+{
+ struct auto_active *aa = container_of(ref, typeof(*aa), base);
+
+ kref_put(&aa->ref, auto_release);
+}
+
+static int auto_active(struct i915_active *ref)
+{
+ i915_active_get(ref);
+ return 0;
+}
+
+static void auto_retire(struct i915_active *ref)
+{
+ i915_active_put(ref);
+}
+
+struct i915_active *i915_active_create(void)
+{
+ struct auto_active *aa;
+
+ aa = kmalloc(sizeof(*aa), GFP_KERNEL);
+ if (!aa)
+ return NULL;
+
+ kref_init(&aa->ref);
+ i915_active_init(&aa->base, auto_active, auto_retire);
+
+ return &aa->base;
+}
+
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
#include "selftests/i915_active.c"
#endif
diff --git a/drivers/gpu/drm/i915/i915_active.h b/drivers/gpu/drm/i915/i915_active.h
index b3282ae7913c..cf4058150966 100644
--- a/drivers/gpu/drm/i915/i915_active.h
+++ b/drivers/gpu/drm/i915/i915_active.h
@@ -181,7 +181,11 @@ static inline bool i915_active_has_exclusive(struct i915_active *ref)
return rcu_access_pointer(ref->excl.fence);
}
-int i915_active_wait(struct i915_active *ref);
+int __i915_active_wait(struct i915_active *ref, int state);
+static inline int i915_active_wait(struct i915_active *ref)
+{
+ return __i915_active_wait(ref, TASK_INTERRUPTIBLE);
+}
int i915_sw_fence_await_active(struct i915_sw_fence *fence,
struct i915_active *ref,
@@ -189,7 +193,9 @@ int i915_sw_fence_await_active(struct i915_sw_fence *fence,
int i915_request_await_active(struct i915_request *rq,
struct i915_active *ref,
unsigned int flags);
-#define I915_ACTIVE_AWAIT_ALL BIT(0)
+#define I915_ACTIVE_AWAIT_EXCL BIT(0)
+#define I915_ACTIVE_AWAIT_ACTIVE BIT(1)
+#define I915_ACTIVE_AWAIT_BARRIER BIT(2)
int i915_active_acquire(struct i915_active *ref);
bool i915_active_acquire_if_busy(struct i915_active *ref);
@@ -221,4 +227,8 @@ void i915_request_add_active_barriers(struct i915_request *rq);
void i915_active_print(struct i915_active *ref, struct drm_printer *m);
void i915_active_unlock_wait(struct i915_active *ref);
+struct i915_active *i915_active_create(void);
+struct i915_active *i915_active_get(struct i915_active *ref);
+void i915_active_put(struct i915_active *ref);
+
#endif /* _I915_ACTIVE_H_ */
diff --git a/drivers/gpu/drm/i915/i915_config.c b/drivers/gpu/drm/i915/i915_config.c
new file mode 100644
index 000000000000..b79b5f6d2cfa
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_config.c
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include "i915_drv.h"
+
+unsigned long
+i915_fence_context_timeout(const struct drm_i915_private *i915, u64 context)
+{
+ if (context && IS_ACTIVE(CONFIG_DRM_I915_FENCE_TIMEOUT))
+ return msecs_to_jiffies_timeout(CONFIG_DRM_I915_FENCE_TIMEOUT);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 6ca797128aa1..bca036ac6621 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -32,12 +32,13 @@
#include <drm/drm_debugfs.h>
#include "gem/i915_gem_context.h"
+#include "gt/intel_gt_buffer_pool.h"
+#include "gt/intel_gt_clock_utils.h"
#include "gt/intel_gt_pm.h"
#include "gt/intel_gt_requests.h"
#include "gt/intel_reset.h"
#include "gt/intel_rc6.h"
#include "gt/intel_rps.h"
-#include "gt/uc/intel_guc_submission.h"
#include "i915_debugfs.h"
#include "i915_debugfs_params.h"
@@ -218,7 +219,7 @@ i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
struct file_stats {
struct i915_address_space *vm;
unsigned long count;
- u64 total, unbound;
+ u64 total;
u64 active, inactive;
u64 closed;
};
@@ -234,8 +235,6 @@ static int per_file_stats(int id, void *ptr, void *data)
stats->count++;
stats->total += obj->base.size;
- if (!atomic_read(&obj->bind_count))
- stats->unbound += obj->base.size;
spin_lock(&obj->vma.lock);
if (!stats->vm) {
@@ -285,13 +284,12 @@ static int per_file_stats(int id, void *ptr, void *data)
#define print_file_stats(m, name, stats) do { \
if (stats.count) \
- seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu unbound, %llu closed)\n", \
+ seq_printf(m, "%s: %lu objects, %llu bytes (%llu active, %llu inactive, %llu closed)\n", \
name, \
stats.count, \
stats.total, \
stats.active, \
stats.inactive, \
- stats.unbound, \
stats.closed); \
} while (0)
@@ -745,7 +743,7 @@ i915_error_state_write(struct file *filp,
if (!error)
return 0;
- DRM_DEBUG_DRIVER("Resetting error state\n");
+ drm_dbg(&error->i915->drm, "Resetting error state\n");
i915_reset_error_state(error->i915);
return cnt;
@@ -930,21 +928,30 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
seq_printf(m, "RPDECLIMIT: 0x%08x\n", rpdeclimit);
seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
seq_printf(m, "CAGF: %dMHz\n", cagf);
- seq_printf(m, "RP CUR UP EI: %d (%dus)\n",
- rpupei, GT_PM_INTERVAL_TO_US(dev_priv, rpupei));
- seq_printf(m, "RP CUR UP: %d (%dus)\n",
- rpcurup, GT_PM_INTERVAL_TO_US(dev_priv, rpcurup));
- seq_printf(m, "RP PREV UP: %d (%dus)\n",
- rpprevup, GT_PM_INTERVAL_TO_US(dev_priv, rpprevup));
+ seq_printf(m, "RP CUR UP EI: %d (%dns)\n",
+ rpupei,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt, rpupei));
+ seq_printf(m, "RP CUR UP: %d (%dun)\n",
+ rpcurup,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt, rpcurup));
+ seq_printf(m, "RP PREV UP: %d (%dns)\n",
+ rpprevup,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt, rpprevup));
seq_printf(m, "Up threshold: %d%%\n",
rps->power.up_threshold);
- seq_printf(m, "RP CUR DOWN EI: %d (%dus)\n",
- rpdownei, GT_PM_INTERVAL_TO_US(dev_priv, rpdownei));
- seq_printf(m, "RP CUR DOWN: %d (%dus)\n",
- rpcurdown, GT_PM_INTERVAL_TO_US(dev_priv, rpcurdown));
- seq_printf(m, "RP PREV DOWN: %d (%dus)\n",
- rpprevdown, GT_PM_INTERVAL_TO_US(dev_priv, rpprevdown));
+ seq_printf(m, "RP CUR DOWN EI: %d (%dns)\n",
+ rpdownei,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt,
+ rpdownei));
+ seq_printf(m, "RP CUR DOWN: %d (%dns)\n",
+ rpcurdown,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt,
+ rpcurdown));
+ seq_printf(m, "RP PREV DOWN: %d (%dns)\n",
+ rpprevdown,
+ intel_gt_pm_interval_to_ns(&dev_priv->gt,
+ rpprevdown));
seq_printf(m, "Down threshold: %d%%\n",
rps->power.down_threshold);
@@ -1193,7 +1200,8 @@ static int i915_rps_boost_info(struct seq_file *m, void *data)
struct drm_i915_private *dev_priv = node_to_i915(m->private);
struct intel_rps *rps = &dev_priv->gt.rps;
- seq_printf(m, "RPS enabled? %d\n", rps->enabled);
+ seq_printf(m, "RPS enabled? %s\n", yesno(intel_rps_is_enabled(rps)));
+ seq_printf(m, "RPS active? %s\n", yesno(intel_rps_is_active(rps)));
seq_printf(m, "GPU busy? %s\n", yesno(dev_priv->gt.awake));
seq_printf(m, "Boosts outstanding? %d\n",
atomic_read(&rps->num_waiters));
@@ -1213,7 +1221,7 @@ static int i915_rps_boost_info(struct seq_file *m, void *data)
seq_printf(m, "Wait boosts: %d\n", atomic_read(&rps->boosts));
- if (INTEL_GEN(dev_priv) >= 6 && rps->enabled && dev_priv->gt.awake) {
+ if (INTEL_GEN(dev_priv) >= 6 && intel_rps_is_active(rps)) {
u32 rpup, rpupei;
u32 rpdown, rpdownei;
@@ -1251,286 +1259,6 @@ static int i915_llc(struct seq_file *m, void *data)
return 0;
}
-static int i915_huc_load_status_info(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- struct drm_printer p;
-
- if (!HAS_GT_UC(dev_priv))
- return -ENODEV;
-
- p = drm_seq_file_printer(m);
- intel_uc_fw_dump(&dev_priv->gt.uc.huc.fw, &p);
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref)
- seq_printf(m, "\nHuC status 0x%08x:\n", I915_READ(HUC_STATUS2));
-
- return 0;
-}
-
-static int i915_guc_load_status_info(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- intel_wakeref_t wakeref;
- struct drm_printer p;
-
- if (!HAS_GT_UC(dev_priv))
- return -ENODEV;
-
- p = drm_seq_file_printer(m);
- intel_uc_fw_dump(&dev_priv->gt.uc.guc.fw, &p);
-
- with_intel_runtime_pm(&dev_priv->runtime_pm, wakeref) {
- u32 tmp = I915_READ(GUC_STATUS);
- u32 i;
-
- seq_printf(m, "\nGuC status 0x%08x:\n", tmp);
- seq_printf(m, "\tBootrom status = 0x%x\n",
- (tmp & GS_BOOTROM_MASK) >> GS_BOOTROM_SHIFT);
- seq_printf(m, "\tuKernel status = 0x%x\n",
- (tmp & GS_UKERNEL_MASK) >> GS_UKERNEL_SHIFT);
- seq_printf(m, "\tMIA Core status = 0x%x\n",
- (tmp & GS_MIA_MASK) >> GS_MIA_SHIFT);
- seq_puts(m, "\nScratch registers:\n");
- for (i = 0; i < 16; i++) {
- seq_printf(m, "\t%2d: \t0x%x\n",
- i, I915_READ(SOFT_SCRATCH(i)));
- }
- }
-
- return 0;
-}
-
-static const char *
-stringify_guc_log_type(enum guc_log_buffer_type type)
-{
- switch (type) {
- case GUC_ISR_LOG_BUFFER:
- return "ISR";
- case GUC_DPC_LOG_BUFFER:
- return "DPC";
- case GUC_CRASH_DUMP_LOG_BUFFER:
- return "CRASH";
- default:
- MISSING_CASE(type);
- }
-
- return "";
-}
-
-static void i915_guc_log_info(struct seq_file *m, struct intel_guc_log *log)
-{
- enum guc_log_buffer_type type;
-
- if (!intel_guc_log_relay_created(log)) {
- seq_puts(m, "GuC log relay not created\n");
- return;
- }
-
- seq_puts(m, "GuC logging stats:\n");
-
- seq_printf(m, "\tRelay full count: %u\n",
- log->relay.full_count);
-
- for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) {
- seq_printf(m, "\t%s:\tflush count %10u, overflow count %10u\n",
- stringify_guc_log_type(type),
- log->stats[type].flush,
- log->stats[type].sampled_overflow);
- }
-}
-
-static int i915_guc_info(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_uc *uc = &dev_priv->gt.uc;
-
- if (!intel_uc_uses_guc(uc))
- return -ENODEV;
-
- i915_guc_log_info(m, &uc->guc.log);
-
- /* Add more as required ... */
-
- return 0;
-}
-
-static int i915_guc_stage_pool(struct seq_file *m, void *data)
-{
- struct drm_i915_private *dev_priv = node_to_i915(m->private);
- struct intel_uc *uc = &dev_priv->gt.uc;
- struct guc_stage_desc *desc = uc->guc.stage_desc_pool_vaddr;
- int index;
-
- if (!intel_uc_uses_guc_submission(uc))
- return -ENODEV;
-
- for (index = 0; index < GUC_MAX_STAGE_DESCRIPTORS; index++, desc++) {
- struct intel_engine_cs *engine;
-
- if (!(desc->attribute & GUC_STAGE_DESC_ATTR_ACTIVE))
- continue;
-
- seq_printf(m, "GuC stage descriptor %u:\n", index);
- seq_printf(m, "\tIndex: %u\n", desc->stage_id);
- seq_printf(m, "\tAttribute: 0x%x\n", desc->attribute);
- seq_printf(m, "\tPriority: %d\n", desc->priority);
- seq_printf(m, "\tDoorbell id: %d\n", desc->db_id);
- seq_printf(m, "\tEngines used: 0x%x\n",
- desc->engines_used);
- seq_printf(m, "\tDoorbell trigger phy: 0x%llx, cpu: 0x%llx, uK: 0x%x\n",
- desc->db_trigger_phy,
- desc->db_trigger_cpu,
- desc->db_trigger_uk);
- seq_printf(m, "\tProcess descriptor: 0x%x\n",
- desc->process_desc);
- seq_printf(m, "\tWorkqueue address: 0x%x, size: 0x%x\n",
- desc->wq_addr, desc->wq_size);
- seq_putc(m, '\n');
-
- for_each_uabi_engine(engine, dev_priv) {
- u32 guc_engine_id = engine->guc_id;
- struct guc_execlist_context *lrc =
- &desc->lrc[guc_engine_id];
-
- seq_printf(m, "\t%s LRC:\n", engine->name);
- seq_printf(m, "\t\tContext desc: 0x%x\n",
- lrc->context_desc);
- seq_printf(m, "\t\tContext id: 0x%x\n", lrc->context_id);
- seq_printf(m, "\t\tLRCA: 0x%x\n", lrc->ring_lrca);
- seq_printf(m, "\t\tRing begin: 0x%x\n", lrc->ring_begin);
- seq_printf(m, "\t\tRing end: 0x%x\n", lrc->ring_end);
- seq_putc(m, '\n');
- }
- }
-
- return 0;
-}
-
-static int i915_guc_log_dump(struct seq_file *m, void *data)
-{
- struct drm_info_node *node = m->private;
- struct drm_i915_private *dev_priv = node_to_i915(node);
- bool dump_load_err = !!node->info_ent->data;
- struct drm_i915_gem_object *obj = NULL;
- u32 *log;
- int i = 0;
-
- if (!HAS_GT_UC(dev_priv))
- return -ENODEV;
-
- if (dump_load_err)
- obj = dev_priv->gt.uc.load_err_log;
- else if (dev_priv->gt.uc.guc.log.vma)
- obj = dev_priv->gt.uc.guc.log.vma->obj;
-
- if (!obj)
- return 0;
-
- log = i915_gem_object_pin_map(obj, I915_MAP_WC);
- if (IS_ERR(log)) {
- DRM_DEBUG("Failed to pin object\n");
- seq_puts(m, "(log data unaccessible)\n");
- return PTR_ERR(log);
- }
-
- for (i = 0; i < obj->base.size / sizeof(u32); i += 4)
- seq_printf(m, "0x%08x 0x%08x 0x%08x 0x%08x\n",
- *(log + i), *(log + i + 1),
- *(log + i + 2), *(log + i + 3));
-
- seq_putc(m, '\n');
-
- i915_gem_object_unpin_map(obj);
-
- return 0;
-}
-
-static int i915_guc_log_level_get(void *data, u64 *val)
-{
- struct drm_i915_private *dev_priv = data;
- struct intel_uc *uc = &dev_priv->gt.uc;
-
- if (!intel_uc_uses_guc(uc))
- return -ENODEV;
-
- *val = intel_guc_log_get_level(&uc->guc.log);
-
- return 0;
-}
-
-static int i915_guc_log_level_set(void *data, u64 val)
-{
- struct drm_i915_private *dev_priv = data;
- struct intel_uc *uc = &dev_priv->gt.uc;
-
- if (!intel_uc_uses_guc(uc))
- return -ENODEV;
-
- return intel_guc_log_set_level(&uc->guc.log, val);
-}
-
-DEFINE_SIMPLE_ATTRIBUTE(i915_guc_log_level_fops,
- i915_guc_log_level_get, i915_guc_log_level_set,
- "%lld\n");
-
-static int i915_guc_log_relay_open(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *i915 = inode->i_private;
- struct intel_guc *guc = &i915->gt.uc.guc;
- struct intel_guc_log *log = &guc->log;
-
- if (!intel_guc_is_ready(guc))
- return -ENODEV;
-
- file->private_data = log;
-
- return intel_guc_log_relay_open(log);
-}
-
-static ssize_t
-i915_guc_log_relay_write(struct file *filp,
- const char __user *ubuf,
- size_t cnt,
- loff_t *ppos)
-{
- struct intel_guc_log *log = filp->private_data;
- int val;
- int ret;
-
- ret = kstrtoint_from_user(ubuf, cnt, 0, &val);
- if (ret < 0)
- return ret;
-
- /*
- * Enable and start the guc log relay on value of 1.
- * Flush log relay for any other value.
- */
- if (val == 1)
- ret = intel_guc_log_relay_start(log);
- else
- intel_guc_log_relay_flush(log);
-
- return ret ?: cnt;
-}
-
-static int i915_guc_log_relay_release(struct inode *inode, struct file *file)
-{
- struct drm_i915_private *i915 = inode->i_private;
- struct intel_guc *guc = &i915->gt.uc.guc;
-
- intel_guc_log_relay_close(&guc->log);
- return 0;
-}
-
-static const struct file_operations i915_guc_log_relay_fops = {
- .owner = THIS_MODULE,
- .open = i915_guc_log_relay_open,
- .write = i915_guc_log_relay_write,
- .release = i915_guc_log_relay_release,
-};
-
static int i915_runtime_pm_status(struct seq_file *m, void *unused)
{
struct drm_i915_private *dev_priv = node_to_i915(m->private);
@@ -1576,8 +1304,8 @@ static int i915_engine_info(struct seq_file *m, void *unused)
seq_printf(m, "GT awake? %s [%d]\n",
yesno(dev_priv->gt.awake),
atomic_read(&dev_priv->gt.wakeref.count));
- seq_printf(m, "CS timestamp frequency: %u kHz\n",
- RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_khz);
+ seq_printf(m, "CS timestamp frequency: %u Hz\n",
+ RUNTIME_INFO(dev_priv)->cs_timestamp_frequency_hz);
p = drm_seq_file_printer(m);
for_each_uabi_engine(engine, dev_priv)
@@ -1676,13 +1404,12 @@ static int
i915_perf_noa_delay_set(void *data, u64 val)
{
struct drm_i915_private *i915 = data;
- const u32 clk = RUNTIME_INFO(i915)->cs_timestamp_frequency_khz;
/*
* This would lead to infinite waits as we're doing timestamp
* difference on the CS with only 32bits.
*/
- if (val > mul_u32_u32(U32_MAX, clk))
+ if (i915_cs_timestamp_ns_to_ticks(i915, val) > U32_MAX)
return -EINVAL;
atomic64_set(&i915->perf.noa_programming_delay, val);
@@ -1757,6 +1484,9 @@ gt_drop_caches(struct intel_gt *gt, u64 val)
if (val & DROP_RESET_ACTIVE && intel_gt_terminally_wedged(gt))
intel_gt_handle_error(gt, ALL_ENGINES, 0, NULL);
+ if (val & DROP_FREED)
+ intel_gt_flush_buffer_pool(gt);
+
return 0;
}
@@ -2139,12 +1869,6 @@ static const struct drm_info_list i915_debugfs_list[] = {
{"i915_gem_objects", i915_gem_object_info, 0},
{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
{"i915_gem_interrupt", i915_interrupt_info, 0},
- {"i915_guc_info", i915_guc_info, 0},
- {"i915_guc_load_status", i915_guc_load_status_info, 0},
- {"i915_guc_log_dump", i915_guc_log_dump, 0},
- {"i915_guc_load_err_log_dump", i915_guc_log_dump, 0, (void *)1},
- {"i915_guc_stage_pool", i915_guc_stage_pool, 0},
- {"i915_huc_load_status", i915_huc_load_status_info, 0},
{"i915_frequency_info", i915_frequency_info, 0},
{"i915_ring_freq_table", i915_ring_freq_table, 0},
{"i915_context_status", i915_context_status, 0},
@@ -2172,11 +1896,9 @@ static const struct i915_debugfs_files {
{"i915_error_state", &i915_error_state_fops},
{"i915_gpu_info", &i915_gpu_info_fops},
#endif
- {"i915_guc_log_level", &i915_guc_log_level_fops},
- {"i915_guc_log_relay", &i915_guc_log_relay_fops},
};
-int i915_debugfs_register(struct drm_i915_private *dev_priv)
+void i915_debugfs_register(struct drm_i915_private *dev_priv)
{
struct drm_minor *minor = dev_priv->drm.primary;
int i;
@@ -2193,7 +1915,7 @@ int i915_debugfs_register(struct drm_i915_private *dev_priv)
i915_debugfs_files[i].fops);
}
- return drm_debugfs_create_files(i915_debugfs_list,
- I915_DEBUGFS_ENTRIES,
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(i915_debugfs_list,
+ I915_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
}
diff --git a/drivers/gpu/drm/i915/i915_debugfs.h b/drivers/gpu/drm/i915/i915_debugfs.h
index 6da39c76ab5e..1de2736f1248 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.h
+++ b/drivers/gpu/drm/i915/i915_debugfs.h
@@ -12,10 +12,10 @@ struct drm_i915_private;
struct seq_file;
#ifdef CONFIG_DEBUG_FS
-int i915_debugfs_register(struct drm_i915_private *dev_priv);
+void i915_debugfs_register(struct drm_i915_private *dev_priv);
void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj);
#else
-static inline int i915_debugfs_register(struct drm_i915_private *dev_priv) { return 0; }
+static inline void i915_debugfs_register(struct drm_i915_private *dev_priv) {}
static inline void i915_debugfs_describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) {}
#endif
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 81a4621853db..34ee12f3f02d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -43,6 +43,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_irq.h>
+#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include "display/intel_acpi.h"
@@ -227,14 +228,14 @@ static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915)
ret = drm_vblank_init(&i915->drm,
INTEL_NUM_PIPES(i915));
if (ret)
- goto out;
+ return ret;
}
intel_bios_init(i915);
ret = intel_vga_register(i915);
if (ret)
- goto out;
+ goto cleanup_bios;
intel_power_domains_init_hw(i915, false);
@@ -242,13 +243,16 @@ static int i915_driver_modeset_probe_noirq(struct drm_i915_private *i915)
ret = intel_modeset_init_noirq(i915);
if (ret)
- goto cleanup_vga_client;
+ goto cleanup_vga_client_pw_domain_csr;
return 0;
-cleanup_vga_client:
+cleanup_vga_client_pw_domain_csr:
+ intel_csr_ucode_fini(i915);
+ intel_power_domains_driver_remove(i915);
intel_vga_unregister(i915);
-out:
+cleanup_bios:
+ intel_bios_driver_remove(i915);
return ret;
}
@@ -307,13 +311,13 @@ static void i915_driver_modeset_remove(struct drm_i915_private *i915)
/* part #2: call after irq uninstall */
static void i915_driver_modeset_remove_noirq(struct drm_i915_private *i915)
{
- intel_modeset_driver_remove_noirq(i915);
+ intel_csr_ucode_fini(i915);
- intel_bios_driver_remove(i915);
+ intel_power_domains_driver_remove(i915);
intel_vga_unregister(i915);
- intel_csr_ucode_fini(i915);
+ intel_bios_driver_remove(i915);
}
static void intel_init_dpio(struct drm_i915_private *dev_priv)
@@ -566,6 +570,62 @@ static void intel_sanitize_options(struct drm_i915_private *dev_priv)
}
/**
+ * i915_set_dma_info - set all relevant PCI dma info as configured for the
+ * platform
+ * @i915: valid i915 instance
+ *
+ * Set the dma max segment size, device and coherent masks. The dma mask set
+ * needs to occur before i915_ggtt_probe_hw.
+ *
+ * A couple of platforms have special needs. Address them as well.
+ *
+ */
+static int i915_set_dma_info(struct drm_i915_private *i915)
+{
+ struct pci_dev *pdev = i915->drm.pdev;
+ unsigned int mask_size = INTEL_INFO(i915)->dma_mask_size;
+ int ret;
+
+ GEM_BUG_ON(!mask_size);
+
+ /*
+ * We don't have a max segment size, so set it to the max so sg's
+ * debugging layer doesn't complain
+ */
+ dma_set_max_seg_size(&pdev->dev, UINT_MAX);
+
+ ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(mask_size));
+ if (ret)
+ goto mask_err;
+
+ /* overlay on gen2 is broken and can't address above 1G */
+ if (IS_GEN(i915, 2))
+ mask_size = 30;
+
+ /*
+ * 965GM sometimes incorrectly writes to hardware status page (HWS)
+ * using 32bit addressing, overwriting memory if HWS is located
+ * above 4GB.
+ *
+ * The documentation also mentions an issue with undefined
+ * behaviour if any general state is accessed within a page above 4GB,
+ * which also needs to be handled carefully.
+ */
+ if (IS_I965G(i915) || IS_I965GM(i915))
+ mask_size = 32;
+
+ ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(mask_size));
+ if (ret)
+ goto mask_err;
+
+ return 0;
+
+mask_err:
+ drm_err(&i915->drm, "Can't set DMA mask/consistent mask (%d)\n", ret);
+ return ret;
+}
+
+/**
* i915_driver_hw_probe - setup state requiring device access
* @dev_priv: device private
*
@@ -610,6 +670,10 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
/* needs to be done before ggtt probe */
intel_dram_edram_detect(dev_priv);
+ ret = i915_set_dma_info(dev_priv);
+ if (ret)
+ return ret;
+
i915_perf_init(dev_priv);
ret = i915_ggtt_probe_hw(dev_priv);
@@ -638,40 +702,6 @@ static int i915_driver_hw_probe(struct drm_i915_private *dev_priv)
pci_set_master(pdev);
- /*
- * We don't have a max segment size, so set it to the max so sg's
- * debugging layer doesn't complain
- */
- dma_set_max_seg_size(&pdev->dev, UINT_MAX);
-
- /* overlay on gen2 is broken and can't address above 1G */
- if (IS_GEN(dev_priv, 2)) {
- ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(30));
- if (ret) {
- drm_err(&dev_priv->drm, "failed to set DMA mask\n");
-
- goto err_mem_regions;
- }
- }
-
- /* 965GM sometimes incorrectly writes to hardware status page (HWS)
- * using 32bit addressing, overwriting memory if HWS is located
- * above 4GB.
- *
- * The documentation also mentions an issue with undefined
- * behaviour if any general state is accessed within a page above 4GB,
- * which also needs to be handled carefully.
- */
- if (IS_I965G(dev_priv) || IS_I965GM(dev_priv)) {
- ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
-
- if (ret) {
- drm_err(&dev_priv->drm, "failed to set DMA mask\n");
-
- goto err_mem_regions;
- }
- }
-
cpu_latency_qos_add_request(&dev_priv->pm_qos, PM_QOS_DEFAULT_VALUE);
intel_gt_init_workarounds(dev_priv);
@@ -876,17 +906,11 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
(struct intel_device_info *)ent->driver_data;
struct intel_device_info *device_info;
struct drm_i915_private *i915;
- int err;
-
- i915 = kzalloc(sizeof(*i915), GFP_KERNEL);
- if (!i915)
- return ERR_PTR(-ENOMEM);
- err = drm_dev_init(&i915->drm, &driver, &pdev->dev);
- if (err) {
- kfree(i915);
- return ERR_PTR(err);
- }
+ i915 = devm_drm_dev_alloc(&pdev->dev, &driver,
+ struct drm_i915_private, drm);
+ if (IS_ERR(i915))
+ return i915;
i915->drm.pdev = pdev;
pci_set_drvdata(pdev, i915);
@@ -901,17 +925,6 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
return i915;
}
-static void i915_driver_destroy(struct drm_i915_private *i915)
-{
- struct pci_dev *pdev = i915->drm.pdev;
-
- drm_dev_fini(&i915->drm);
- kfree(i915);
-
- /* And make sure we never chase our dangling pointer from pci_dev */
- pci_set_drvdata(pdev, NULL);
-}
-
/**
* i915_driver_probe - setup chip and create an initial config
* @pdev: PCI device
@@ -993,12 +1006,14 @@ int i915_driver_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
i915_welcome_messages(i915);
+ i915->do_release = true;
+
return 0;
out_cleanup_irq:
intel_irq_uninstall(i915);
out_cleanup_modeset:
- /* FIXME */
+ i915_driver_modeset_remove_noirq(i915);
out_cleanup_hw:
i915_driver_hw_remove(i915);
intel_memory_regions_driver_release(i915);
@@ -1012,7 +1027,6 @@ out_pci_disable:
pci_disable_device(pdev);
out_fini:
i915_probe_error(i915, "Device initialization failed (%d)\n", ret);
- i915_driver_destroy(i915);
return ret;
}
@@ -1035,12 +1049,12 @@ void i915_driver_remove(struct drm_i915_private *i915)
intel_irq_uninstall(i915);
- i915_driver_modeset_remove_noirq(i915);
+ intel_modeset_driver_remove_noirq(i915);
i915_reset_error_state(i915);
i915_gem_driver_remove(i915);
- intel_power_domains_driver_remove(i915);
+ i915_driver_modeset_remove_noirq(i915);
i915_driver_hw_remove(i915);
@@ -1052,6 +1066,9 @@ static void i915_driver_release(struct drm_device *dev)
struct drm_i915_private *dev_priv = to_i915(dev);
struct intel_runtime_pm *rpm = &dev_priv->runtime_pm;
+ if (!dev_priv->do_release)
+ return;
+
disable_rpm_wakeref_asserts(rpm);
i915_gem_driver_release(dev_priv);
@@ -1065,7 +1082,6 @@ static void i915_driver_release(struct drm_device *dev)
intel_runtime_pm_driver_release(rpm);
i915_driver_late_release(dev_priv);
- i915_driver_destroy(dev_priv);
}
static int i915_driver_open(struct drm_device *dev, struct drm_file *file)
@@ -1286,7 +1302,6 @@ static int i915_drm_resume(struct drm_device *dev)
drm_err(&dev_priv->drm, "failed to re-enable GGTT\n");
i915_ggtt_resume(&dev_priv->ggtt);
- i915_gem_restore_fences(&dev_priv->ggtt);
intel_csr_ucode_resume(dev_priv);
@@ -1604,8 +1619,6 @@ static int intel_runtime_suspend(struct device *kdev)
intel_gt_runtime_resume(&dev_priv->gt);
- i915_gem_restore_fences(&dev_priv->ggtt);
-
enable_rpm_wakeref_asserts(rpm);
return ret;
@@ -1685,7 +1698,6 @@ static int intel_runtime_resume(struct device *kdev)
* we can do is to hope that things will still work (and disable RPM).
*/
intel_gt_runtime_resume(&dev_priv->gt);
- i915_gem_restore_fences(&dev_priv->ggtt);
/*
* On VLV/CHV display interrupts are part of the display
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 1f5b9a584f71..adb9bf34cf97 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -92,7 +92,6 @@
#include "intel_wopcm.h"
#include "i915_gem.h"
-#include "i915_gem_fence_reg.h"
#include "i915_gem_gtt.h"
#include "i915_gpu_error.h"
#include "i915_perf_types.h"
@@ -109,8 +108,8 @@
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
-#define DRIVER_DATE "20200313"
-#define DRIVER_TIMESTAMP 1584144591
+#define DRIVER_DATE "20200515"
+#define DRIVER_TIMESTAMP 1589543364
struct drm_i915_gem_object;
@@ -149,6 +148,8 @@ enum hpd_pin {
struct i915_hotplug {
struct delayed_work hotplug_work;
+ const u32 *hpd, *pch_hpd;
+
struct {
unsigned long last_jiffies;
int count;
@@ -417,6 +418,7 @@ struct intel_fbc {
struct {
const struct drm_format_info *format;
unsigned int stride;
+ u64 modifier;
} fb;
u16 gen9_wa_cfb_stride;
s8 fence_id;
@@ -510,6 +512,7 @@ struct i915_psr {
u32 dc3co_exit_delay;
struct delayed_work dc3co_work;
bool force_mode_changed;
+ struct drm_dp_vsc_sdp vsc;
};
#define QUIRK_LVDS_SSC_DISABLE (1<<1)
@@ -540,7 +543,6 @@ struct i915_suspend_saved_registers {
u32 saveSWF0[16];
u32 saveSWF1[16];
u32 saveSWF3[3];
- u64 saveFENCE[I915_MAX_NUM_FENCES];
u32 savePCH_PORT_HOTPLUG;
u16 saveGCDGMBUS;
};
@@ -615,13 +617,14 @@ struct i915_gem_mm {
#define I915_IDLE_ENGINES_TIMEOUT (200) /* in ms */
-#define I915_RESET_TIMEOUT (10 * HZ) /* 10s */
-#define I915_FENCE_TIMEOUT (10 * HZ) /* 10s */
-
-#define I915_ENGINE_DEAD_TIMEOUT (4 * HZ) /* Seqno, head and subunits dead */
-#define I915_SEQNO_DEAD_TIMEOUT (12 * HZ) /* Seqno dead with active head */
+unsigned long i915_fence_context_timeout(const struct drm_i915_private *i915,
+ u64 context);
-#define I915_ENGINE_WEDGED_TIMEOUT (60 * HZ) /* Reset but no recovery? */
+static inline unsigned long
+i915_fence_timeout(const struct drm_i915_private *i915)
+{
+ return i915_fence_context_timeout(i915, U64_MAX);
+}
/* Amount of SAGV/QGV points, BSpec precisely defines this */
#define I915_NUM_QGV_POINTS 8
@@ -823,6 +826,9 @@ struct i915_selftest_stash {
struct drm_i915_private {
struct drm_device drm;
+ /* FIXME: Device release actions should all be moved to drmm_ */
+ bool do_release;
+
const struct intel_device_info __info; /* Use INTEL_INFO() to access. */
struct intel_runtime_info __runtime; /* Use RUNTIME_INFO() to access. */
struct intel_driver_caps caps;
@@ -885,7 +891,6 @@ struct drm_i915_private {
struct pci_dev *bridge_dev;
- struct intel_engine_cs *engine[I915_NUM_ENGINES];
struct rb_root uabi_engines;
struct resource mch_res;
@@ -1506,7 +1511,14 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define IS_ICL_REVID(p, since, until) \
(IS_ICELAKE(p) && IS_REVID(p, since, until))
+#define EHL_REVID_A0 0x0
+
+#define IS_EHL_REVID(p, since, until) \
+ (IS_ELKHARTLAKE(p) && IS_REVID(p, since, until))
+
#define TGL_REVID_A0 0x0
+#define TGL_REVID_B0 0x1
+#define TGL_REVID_C0 0x2
#define IS_TGL_REVID(p, since, until) \
(IS_TIGERLAKE(p) && IS_REVID(p, since, until))
@@ -1604,7 +1616,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi)
#define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->has_fpga_dbg)
#define HAS_PSR(dev_priv) (INTEL_INFO(dev_priv)->display.has_psr)
-#define HAS_TRANSCODER_EDP(dev_priv) (INTEL_INFO(dev_priv)->trans_offsets[TRANSCODER_EDP] != 0)
+#define HAS_TRANSCODER(dev_priv, trans) ((INTEL_INFO(dev_priv)->cpu_transcoder_mask & BIT(trans)) != 0)
#define HAS_RC6(dev_priv) (INTEL_INFO(dev_priv)->has_rc6)
#define HAS_RC6p(dev_priv) (INTEL_INFO(dev_priv)->has_rc6p)
@@ -1738,6 +1750,7 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
unsigned long flags);
#define I915_GEM_OBJECT_UNBIND_ACTIVE BIT(0)
#define I915_GEM_OBJECT_UNBIND_BARRIER BIT(1)
+#define I915_GEM_OBJECT_UNBIND_TEST BIT(2)
void i915_gem_runtime_suspend(struct drm_i915_private *dev_priv);
@@ -1911,4 +1924,16 @@ i915_coherent_map_type(struct drm_i915_private *i915)
return HAS_LLC(i915) ? I915_MAP_WB : I915_MAP_WC;
}
+static inline u64 i915_cs_timestamp_ns_to_ticks(struct drm_i915_private *i915, u64 val)
+{
+ return DIV_ROUND_UP_ULL(val * RUNTIME_INFO(i915)->cs_timestamp_frequency_hz,
+ 1000000000);
+}
+
+static inline u64 i915_cs_timestamp_ticks_to_ns(struct drm_i915_private *i915, u64 val)
+{
+ return div_u64(val * 1000000000,
+ RUNTIME_INFO(i915)->cs_timestamp_frequency_hz);
+}
+
#endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ca5420012a22..0cbcb9f54e7d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -118,7 +118,7 @@ int i915_gem_object_unbind(struct drm_i915_gem_object *obj,
struct i915_vma *vma;
int ret;
- if (!atomic_read(&obj->bind_count))
+ if (list_empty(&obj->vma.list))
return 0;
/*
@@ -141,6 +141,11 @@ try_again:
if (!i915_vma_is_bound(vma, I915_VMA_BIND_MASK))
continue;
+ if (flags & I915_GEM_OBJECT_UNBIND_TEST) {
+ ret = -EBUSY;
+ break;
+ }
+
ret = -EAGAIN;
if (!i915_vm_tryopen(vm))
break;
@@ -993,18 +998,16 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
return ERR_PTR(ret);
}
+ ret = i915_vma_pin(vma, size, alignment, flags | PIN_GLOBAL);
+ if (ret)
+ return ERR_PTR(ret);
+
if (vma->fence && !i915_gem_object_is_tiled(obj)) {
mutex_lock(&ggtt->vm.mutex);
- ret = i915_vma_revoke_fence(vma);
+ i915_vma_revoke_fence(vma);
mutex_unlock(&ggtt->vm.mutex);
- if (ret)
- return ERR_PTR(ret);
}
- ret = i915_vma_pin(vma, size, alignment, flags | PIN_GLOBAL);
- if (ret)
- return ERR_PTR(ret);
-
ret = i915_vma_wait_for_bind(vma);
if (ret) {
i915_vma_unpin(vma);
@@ -1156,7 +1159,6 @@ err_unlock:
/* Minimal basic recovery for KMS */
ret = i915_ggtt_enable_hw(dev_priv);
i915_ggtt_resume(&dev_priv->ggtt);
- i915_gem_restore_fences(&dev_priv->ggtt);
intel_init_clock_gating(dev_priv);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 4518b9b35c3d..6501939929d5 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -128,6 +128,13 @@ search_again:
active = NULL;
INIT_LIST_HEAD(&eviction_list);
list_for_each_entry_safe(vma, next, &vm->bound_list, vm_link) {
+ if (vma == active) { /* now seen this vma twice */
+ if (flags & PIN_NONBLOCK)
+ break;
+
+ active = ERR_PTR(-EAGAIN);
+ }
+
/*
* We keep this list in a rough least-recently scanned order
* of active elements (inactive elements are cheap to reap).
@@ -143,21 +150,12 @@ search_again:
* To notice when we complete one full cycle, we record the
* first active element seen, before moving it to the tail.
*/
- if (i915_vma_is_active(vma)) {
- if (vma == active) {
- if (flags & PIN_NONBLOCK)
- break;
-
- active = ERR_PTR(-EAGAIN);
- }
-
- if (active != ERR_PTR(-EAGAIN)) {
- if (!active)
- active = vma;
+ if (active != ERR_PTR(-EAGAIN) && i915_vma_is_active(vma)) {
+ if (!active)
+ active = vma;
- list_move_tail(&vma->vm_link, &vm->bound_list);
- continue;
- }
+ list_move_tail(&vma->vm_link, &vm->bound_list);
+ continue;
}
if (mark_free(&scan, vma, flags, &eviction_list))
@@ -228,7 +226,12 @@ found:
while (ret == 0 && (node = drm_mm_scan_color_evict(&scan))) {
vma = container_of(node, struct i915_vma, node);
- ret = __i915_vma_unbind(vma);
+
+ /* If we find any non-objects (!vma), we cannot evict them */
+ if (vma->node.color != I915_COLOR_UNEVICTABLE)
+ ret = __i915_vma_unbind(vma);
+ else
+ ret = -ENOSPC; /* XXX search failed, try again? */
}
return ret;
diff --git a/drivers/gpu/drm/i915/i915_getparam.c b/drivers/gpu/drm/i915/i915_getparam.c
index 54fce81d5724..d042644b9cd2 100644
--- a/drivers/gpu/drm/i915/i915_getparam.c
+++ b/drivers/gpu/drm/i915/i915_getparam.c
@@ -153,7 +153,7 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data,
return -ENODEV;
break;
case I915_PARAM_CS_TIMESTAMP_FREQUENCY:
- value = 1000 * RUNTIME_INFO(i915)->cs_timestamp_frequency_khz;
+ value = RUNTIME_INFO(i915)->cs_timestamp_frequency_hz;
break;
case I915_PARAM_MMAP_GTT_COHERENT:
value = INTEL_INFO(i915)->has_coherent_ggtt;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 2a4cd0ba5464..eec292d06f11 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -467,14 +467,14 @@ static void error_print_request(struct drm_i915_error_state_buf *m,
if (!erq->seqno)
return;
- err_printf(m, "%s pid %d, seqno %8x:%08x%s%s, prio %d, start %08x, head %08x, tail %08x\n",
+ err_printf(m, "%s pid %d, seqno %8x:%08x%s%s, prio %d, head %08x, tail %08x\n",
prefix, erq->pid, erq->context, erq->seqno,
test_bit(DMA_FENCE_FLAG_SIGNALED_BIT,
&erq->flags) ? "!" : "",
test_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
&erq->flags) ? "+" : "",
erq->sched_attr.priority,
- erq->start, erq->head, erq->tail);
+ erq->head, erq->tail);
}
static void error_print_context(struct drm_i915_error_state_buf *m,
@@ -1207,21 +1207,22 @@ static void engine_record_registers(struct intel_engine_coredump *ee)
static void record_request(const struct i915_request *request,
struct i915_request_coredump *erq)
{
- const struct i915_gem_context *ctx;
-
erq->flags = request->fence.flags;
erq->context = request->fence.context;
erq->seqno = request->fence.seqno;
erq->sched_attr = request->sched.attr;
- erq->start = i915_ggtt_offset(request->ring->vma);
erq->head = request->head;
erq->tail = request->tail;
erq->pid = 0;
rcu_read_lock();
- ctx = rcu_dereference(request->context->gem_context);
- if (ctx)
- erq->pid = pid_nr(ctx->pid);
+ if (!intel_context_is_closed(request->context)) {
+ const struct i915_gem_context *ctx;
+
+ ctx = rcu_dereference(request->context->gem_context);
+ if (ctx)
+ erq->pid = pid_nr(ctx->pid);
+ }
rcu_read_unlock();
}
@@ -1319,26 +1320,6 @@ capture_user(struct intel_engine_capture_vma *capture,
return capture;
}
-static struct i915_vma_coredump *
-capture_object(const struct intel_gt *gt,
- struct drm_i915_gem_object *obj,
- const char *name,
- struct i915_vma_compress *compress)
-{
- if (obj && i915_gem_object_has_pages(obj)) {
- struct i915_vma fake = {
- .node = { .start = U64_MAX, .size = obj->base.size },
- .size = obj->base.size,
- .pages = obj->mm.pages,
- .obj = obj,
- };
-
- return i915_vma_coredump_create(gt, &fake, name, compress);
- } else {
- return NULL;
- }
-}
-
static void add_vma(struct intel_engine_coredump *ee,
struct i915_vma_coredump *vma)
{
@@ -1427,12 +1408,6 @@ intel_engine_coredump_add_vma(struct intel_engine_coredump *ee,
engine->wa_ctx.vma,
"WA context",
compress));
-
- add_vma(ee,
- capture_object(engine->gt,
- engine->default_state,
- "NULL context",
- compress));
}
static struct intel_engine_coredump *
@@ -1858,7 +1833,7 @@ void i915_error_state_store(struct i915_gpu_coredump *error)
return;
i915 = error->i915;
- dev_info(i915->drm.dev, "%s\n", error_msg(error));
+ drm_info(&i915->drm, "%s\n", error_msg(error));
if (error->simulated ||
cmpxchg(&i915->gpu_error.first_error, NULL, error))
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h
index 0d1f6c8ff355..76b80fbfb7e9 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.h
+++ b/drivers/gpu/drm/i915/i915_gpu_error.h
@@ -42,7 +42,7 @@ struct i915_vma_coredump {
int num_pages;
int page_count;
int unused;
- u32 *pages[0];
+ u32 *pages[];
};
struct i915_request_coredump {
@@ -50,7 +50,6 @@ struct i915_request_coredump {
pid_t pid;
u32 context;
u32 seqno;
- u32 start;
u32 head;
u32 tail;
struct i915_sched_attr sched_attr;
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 9f0653cf0510..4dc601dffc08 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -124,7 +124,6 @@ static const u32 hpd_status_i915[HPD_NUM_PINS] = {
[HPD_PORT_D] = PORTD_HOTPLUG_INT_STATUS,
};
-/* BXT hpd list */
static const u32 hpd_bxt[HPD_NUM_PINS] = {
[HPD_PORT_A] = BXT_DE_PORT_HP_DDIA,
[HPD_PORT_B] = BXT_DE_PORT_HP_DDIB,
@@ -168,6 +167,49 @@ static const u32 hpd_tgp[HPD_NUM_PINS] = {
[HPD_PORT_I] = SDE_TC_HOTPLUG_ICP(PORT_TC6),
};
+static void intel_hpd_init_pins(struct drm_i915_private *dev_priv)
+{
+ struct i915_hotplug *hpd = &dev_priv->hotplug;
+
+ if (HAS_GMCH(dev_priv)) {
+ if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
+ IS_CHERRYVIEW(dev_priv))
+ hpd->hpd = hpd_status_g4x;
+ else
+ hpd->hpd = hpd_status_i915;
+ return;
+ }
+
+ if (INTEL_GEN(dev_priv) >= 12)
+ hpd->hpd = hpd_gen12;
+ else if (INTEL_GEN(dev_priv) >= 11)
+ hpd->hpd = hpd_gen11;
+ else if (IS_GEN9_LP(dev_priv))
+ hpd->hpd = hpd_bxt;
+ else if (INTEL_GEN(dev_priv) >= 8)
+ hpd->hpd = hpd_bdw;
+ else if (INTEL_GEN(dev_priv) >= 7)
+ hpd->hpd = hpd_ivb;
+ else
+ hpd->hpd = hpd_ilk;
+
+ if (!HAS_PCH_SPLIT(dev_priv) || HAS_PCH_NOP(dev_priv))
+ return;
+
+ if (HAS_PCH_TGP(dev_priv) || HAS_PCH_JSP(dev_priv))
+ hpd->pch_hpd = hpd_tgp;
+ else if (HAS_PCH_ICP(dev_priv) || HAS_PCH_MCC(dev_priv))
+ hpd->pch_hpd = hpd_icp;
+ else if (HAS_PCH_CNP(dev_priv) || HAS_PCH_SPT(dev_priv))
+ hpd->pch_hpd = hpd_spt;
+ else if (HAS_PCH_LPT(dev_priv) || HAS_PCH_CPT(dev_priv))
+ hpd->pch_hpd = hpd_cpt;
+ else if (HAS_PCH_IBX(dev_priv))
+ hpd->pch_hpd = hpd_ibx;
+ else
+ MISSING_CASE(INTEL_PCH_TYPE(dev_priv));
+}
+
static void
intel_handle_vblank(struct drm_i915_private *dev_priv, enum pipe pipe)
{
@@ -1504,33 +1546,27 @@ static void i9xx_hpd_irq_handler(struct drm_i915_private *dev_priv,
u32 hotplug_status)
{
u32 pin_mask = 0, long_mask = 0;
+ u32 hotplug_trigger;
- if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
- IS_CHERRYVIEW(dev_priv)) {
- u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
-
- if (hotplug_trigger) {
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, hotplug_trigger,
- hpd_status_g4x,
- i9xx_port_hotplug_long_detect);
+ if (IS_G4X(dev_priv) ||
+ IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
+ hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_G4X;
+ else
+ hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
- intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
- }
+ if (hotplug_trigger) {
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hotplug_trigger, hotplug_trigger,
+ dev_priv->hotplug.hpd,
+ i9xx_port_hotplug_long_detect);
- if (hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
- dp_aux_irq_handler(dev_priv);
- } else {
- u32 hotplug_trigger = hotplug_status & HOTPLUG_INT_STATUS_I915;
-
- if (hotplug_trigger) {
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, hotplug_trigger,
- hpd_status_i915,
- i9xx_port_hotplug_long_detect);
- intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
- }
+ intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
}
+
+ if ((IS_G4X(dev_priv) ||
+ IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+ hotplug_status & DP_AUX_CHANNEL_MASK_INT_STATUS_G4X)
+ dp_aux_irq_handler(dev_priv);
}
static irqreturn_t valleyview_irq_handler(int irq, void *arg)
@@ -1696,8 +1732,7 @@ static irqreturn_t cherryview_irq_handler(int irq, void *arg)
}
static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+ u32 hotplug_trigger)
{
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
@@ -1720,8 +1755,9 @@ static void ibx_hpd_irq_handler(struct drm_i915_private *dev_priv,
if (!hotplug_trigger)
return;
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.pch_hpd,
pch_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -1732,7 +1768,7 @@ static void ibx_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
enum pipe pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK;
- ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ibx);
+ ibx_hpd_irq_handler(dev_priv, hotplug_trigger);
if (pch_iir & SDE_AUDIO_POWER_MASK) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK) >>
@@ -1820,7 +1856,7 @@ static void cpt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
enum pipe pipe;
u32 hotplug_trigger = pch_iir & SDE_HOTPLUG_MASK_CPT;
- ibx_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_cpt);
+ ibx_hpd_irq_handler(dev_priv, hotplug_trigger);
if (pch_iir & SDE_AUDIO_POWER_MASK_CPT) {
int port = ffs((pch_iir & SDE_AUDIO_POWER_MASK_CPT) >>
@@ -1857,22 +1893,18 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
u32 ddi_hotplug_trigger, tc_hotplug_trigger;
u32 pin_mask = 0, long_mask = 0;
bool (*tc_port_hotplug_long_detect)(enum hpd_pin pin, u32 val);
- const u32 *pins;
if (HAS_PCH_TGP(dev_priv)) {
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP;
tc_hotplug_trigger = pch_iir & SDE_TC_MASK_TGP;
tc_port_hotplug_long_detect = tgp_tc_port_hotplug_long_detect;
- pins = hpd_tgp;
} else if (HAS_PCH_JSP(dev_priv)) {
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_TGP;
tc_hotplug_trigger = 0;
- pins = hpd_tgp;
} else if (HAS_PCH_MCC(dev_priv)) {
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
tc_hotplug_trigger = pch_iir & SDE_TC_HOTPLUG_ICP(PORT_TC1);
tc_port_hotplug_long_detect = icp_tc_port_hotplug_long_detect;
- pins = hpd_icp;
} else {
drm_WARN(&dev_priv->drm, !HAS_PCH_ICP(dev_priv),
"Unrecognized PCH type 0x%x\n",
@@ -1881,7 +1913,6 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
ddi_hotplug_trigger = pch_iir & SDE_DDI_MASK_ICP;
tc_hotplug_trigger = pch_iir & SDE_TC_MASK_ICP;
tc_port_hotplug_long_detect = icp_tc_port_hotplug_long_detect;
- pins = hpd_icp;
}
if (ddi_hotplug_trigger) {
@@ -1891,8 +1922,8 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
I915_WRITE(SHOTPLUG_CTL_DDI, dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- ddi_hotplug_trigger,
- dig_hotplug_reg, pins,
+ ddi_hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.pch_hpd,
icp_ddi_port_hotplug_long_detect);
}
@@ -1903,8 +1934,8 @@ static void icp_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
I915_WRITE(SHOTPLUG_CTL_TC, dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- tc_hotplug_trigger,
- dig_hotplug_reg, pins,
+ tc_hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.pch_hpd,
tc_port_hotplug_long_detect);
}
@@ -1929,7 +1960,8 @@ static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug_trigger, dig_hotplug_reg, hpd_spt,
+ hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.pch_hpd,
spt_port_hotplug_long_detect);
}
@@ -1940,7 +1972,8 @@ static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
I915_WRITE(PCH_PORT_HOTPLUG2, dig_hotplug_reg);
intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
- hotplug2_trigger, dig_hotplug_reg, hpd_spt,
+ hotplug2_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.pch_hpd,
spt_port_hotplug2_long_detect);
}
@@ -1952,16 +1985,16 @@ static void spt_irq_handler(struct drm_i915_private *dev_priv, u32 pch_iir)
}
static void ilk_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+ u32 hotplug_trigger)
{
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(DIGITAL_PORT_HOTPLUG_CNTRL);
I915_WRITE(DIGITAL_PORT_HOTPLUG_CNTRL, dig_hotplug_reg);
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.hpd,
ilk_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -1974,7 +2007,7 @@ static void ilk_display_irq_handler(struct drm_i915_private *dev_priv,
u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG;
if (hotplug_trigger)
- ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ilk);
+ ilk_hpd_irq_handler(dev_priv, hotplug_trigger);
if (de_iir & DE_AUX_CHANNEL_A)
dp_aux_irq_handler(dev_priv);
@@ -2020,7 +2053,7 @@ static void ivb_display_irq_handler(struct drm_i915_private *dev_priv,
u32 hotplug_trigger = de_iir & DE_DP_A_HOTPLUG_IVB;
if (hotplug_trigger)
- ilk_hpd_irq_handler(dev_priv, hotplug_trigger, hpd_ivb);
+ ilk_hpd_irq_handler(dev_priv, hotplug_trigger);
if (de_iir & DE_ERR_INT_IVB)
ivb_err_int_handler(dev_priv);
@@ -2130,16 +2163,16 @@ static irqreturn_t ilk_irq_handler(int irq, void *arg)
}
static void bxt_hpd_irq_handler(struct drm_i915_private *dev_priv,
- u32 hotplug_trigger,
- const u32 hpd[HPD_NUM_PINS])
+ u32 hotplug_trigger)
{
u32 dig_hotplug_reg, pin_mask = 0, long_mask = 0;
dig_hotplug_reg = I915_READ(PCH_PORT_HOTPLUG);
I915_WRITE(PCH_PORT_HOTPLUG, dig_hotplug_reg);
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, hotplug_trigger,
- dig_hotplug_reg, hpd,
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ hotplug_trigger, dig_hotplug_reg,
+ dev_priv->hotplug.hpd,
bxt_port_hotplug_long_detect);
intel_hpd_irq_handler(dev_priv, pin_mask, long_mask);
@@ -2151,15 +2184,11 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
u32 trigger_tc = iir & GEN11_DE_TC_HOTPLUG_MASK;
u32 trigger_tbt = iir & GEN11_DE_TBT_HOTPLUG_MASK;
long_pulse_detect_func long_pulse_detect;
- const u32 *hpd;
- if (INTEL_GEN(dev_priv) >= 12) {
+ if (INTEL_GEN(dev_priv) >= 12)
long_pulse_detect = gen12_port_hotplug_long_detect;
- hpd = hpd_gen12;
- } else {
+ else
long_pulse_detect = gen11_port_hotplug_long_detect;
- hpd = hpd_gen11;
- }
if (trigger_tc) {
u32 dig_hotplug_reg;
@@ -2167,8 +2196,10 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
dig_hotplug_reg = I915_READ(GEN11_TC_HOTPLUG_CTL);
I915_WRITE(GEN11_TC_HOTPLUG_CTL, dig_hotplug_reg);
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tc,
- dig_hotplug_reg, hpd, long_pulse_detect);
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ trigger_tc, dig_hotplug_reg,
+ dev_priv->hotplug.hpd,
+ long_pulse_detect);
}
if (trigger_tbt) {
@@ -2177,8 +2208,10 @@ static void gen11_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 iir)
dig_hotplug_reg = I915_READ(GEN11_TBT_HOTPLUG_CTL);
I915_WRITE(GEN11_TBT_HOTPLUG_CTL, dig_hotplug_reg);
- intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask, trigger_tbt,
- dig_hotplug_reg, hpd, long_pulse_detect);
+ intel_get_hpd_pins(dev_priv, &pin_mask, &long_mask,
+ trigger_tbt, dig_hotplug_reg,
+ dev_priv->hotplug.hpd,
+ long_pulse_detect);
}
if (pin_mask)
@@ -2309,15 +2342,13 @@ gen8_de_irq_handler(struct drm_i915_private *dev_priv, u32 master_ctl)
if (IS_GEN9_LP(dev_priv)) {
tmp_mask = iir & BXT_DE_PORT_HOTPLUG_MASK;
if (tmp_mask) {
- bxt_hpd_irq_handler(dev_priv, tmp_mask,
- hpd_bxt);
+ bxt_hpd_irq_handler(dev_priv, tmp_mask);
found = true;
}
} else if (IS_BROADWELL(dev_priv)) {
tmp_mask = iir & GEN8_PORT_DP_A_HOTPLUG;
if (tmp_mask) {
- ilk_hpd_irq_handler(dev_priv,
- tmp_mask, hpd_bdw);
+ ilk_hpd_irq_handler(dev_priv, tmp_mask);
found = true;
}
}
@@ -2870,6 +2901,14 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv)
if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
GEN3_IRQ_RESET(uncore, SDE);
+
+ /* Wa_14010685332:icl */
+ if (INTEL_PCH_TYPE(dev_priv) == PCH_ICP) {
+ intel_uncore_rmw(uncore, SOUTH_CHICKEN1,
+ SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS);
+ intel_uncore_rmw(uncore, SOUTH_CHICKEN1,
+ SBCLK_RUN_REFCLK_DIS, 0);
+ }
}
static void gen11_irq_reset(struct drm_i915_private *dev_priv)
@@ -2989,13 +3028,12 @@ static void ibx_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
u32 hotplug_irqs, enabled_irqs;
- if (HAS_PCH_IBX(dev_priv)) {
+ if (HAS_PCH_IBX(dev_priv))
hotplug_irqs = SDE_HOTPLUG_MASK;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ibx);
- } else {
+ else
hotplug_irqs = SDE_HOTPLUG_MASK_CPT;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_cpt);
- }
+
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.pch_hpd);
ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
@@ -3021,13 +3059,12 @@ static void icp_hpd_detection_setup(struct drm_i915_private *dev_priv,
static void icp_hpd_irq_setup(struct drm_i915_private *dev_priv,
u32 sde_ddi_mask, u32 sde_tc_mask,
- u32 ddi_enable_mask, u32 tc_enable_mask,
- const u32 *pins)
+ u32 ddi_enable_mask, u32 tc_enable_mask)
{
u32 hotplug_irqs, enabled_irqs;
hotplug_irqs = sde_ddi_mask | sde_tc_mask;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, pins);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.pch_hpd);
I915_WRITE(SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
@@ -3044,8 +3081,7 @@ static void mcc_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
icp_hpd_irq_setup(dev_priv,
SDE_DDI_MASK_ICP, SDE_TC_HOTPLUG_ICP(PORT_TC1),
- ICP_DDI_HPD_ENABLE_MASK, ICP_TC_HPD_ENABLE(PORT_TC1),
- hpd_icp);
+ ICP_DDI_HPD_ENABLE_MASK, ICP_TC_HPD_ENABLE(PORT_TC1));
}
/*
@@ -3057,8 +3093,7 @@ static void jsp_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
icp_hpd_irq_setup(dev_priv,
SDE_DDI_MASK_TGP, 0,
- TGP_DDI_HPD_ENABLE_MASK, 0,
- hpd_tgp);
+ TGP_DDI_HPD_ENABLE_MASK, 0);
}
static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv)
@@ -3083,11 +3118,9 @@ static void gen11_hpd_detection_setup(struct drm_i915_private *dev_priv)
static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
u32 hotplug_irqs, enabled_irqs;
- const u32 *hpd;
u32 val;
- hpd = INTEL_GEN(dev_priv) >= 12 ? hpd_gen12 : hpd_gen11;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.hpd);
hotplug_irqs = GEN11_DE_TC_HOTPLUG_MASK | GEN11_DE_TBT_HOTPLUG_MASK;
val = I915_READ(GEN11_DE_HPD_IMR);
@@ -3099,12 +3132,10 @@ static void gen11_hpd_irq_setup(struct drm_i915_private *dev_priv)
if (INTEL_PCH_TYPE(dev_priv) >= PCH_TGP)
icp_hpd_irq_setup(dev_priv, SDE_DDI_MASK_TGP, SDE_TC_MASK_TGP,
- TGP_DDI_HPD_ENABLE_MASK,
- TGP_TC_HPD_ENABLE_MASK, hpd_tgp);
+ TGP_DDI_HPD_ENABLE_MASK, TGP_TC_HPD_ENABLE_MASK);
else if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
icp_hpd_irq_setup(dev_priv, SDE_DDI_MASK_ICP, SDE_TC_MASK_ICP,
- ICP_DDI_HPD_ENABLE_MASK,
- ICP_TC_HPD_ENABLE_MASK, hpd_icp);
+ ICP_DDI_HPD_ENABLE_MASK, ICP_TC_HPD_ENABLE_MASK);
}
static void spt_hpd_detection_setup(struct drm_i915_private *dev_priv)
@@ -3140,7 +3171,7 @@ static void spt_hpd_irq_setup(struct drm_i915_private *dev_priv)
I915_WRITE(SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
hotplug_irqs = SDE_HOTPLUG_MASK_SPT;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_spt);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.pch_hpd);
ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
@@ -3169,17 +3200,17 @@ static void ilk_hpd_irq_setup(struct drm_i915_private *dev_priv)
if (INTEL_GEN(dev_priv) >= 8) {
hotplug_irqs = GEN8_PORT_DP_A_HOTPLUG;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bdw);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.hpd);
bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
} else if (INTEL_GEN(dev_priv) >= 7) {
hotplug_irqs = DE_DP_A_HOTPLUG_IVB;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ivb);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.hpd);
ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs);
} else {
hotplug_irqs = DE_DP_A_HOTPLUG;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_ilk);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.hpd);
ilk_update_display_irq(dev_priv, hotplug_irqs, enabled_irqs);
}
@@ -3230,7 +3261,7 @@ static void bxt_hpd_irq_setup(struct drm_i915_private *dev_priv)
{
u32 hotplug_irqs, enabled_irqs;
- enabled_irqs = intel_hpd_enabled_irqs(dev_priv, hpd_bxt);
+ enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.hpd);
hotplug_irqs = BXT_DE_PORT_HOTPLUG_MASK;
bdw_update_port_irq(dev_priv, hotplug_irqs, enabled_irqs);
@@ -3358,9 +3389,10 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
{
struct intel_uncore *uncore = &dev_priv->uncore;
- u32 de_pipe_masked = GEN8_PIPE_CDCLK_CRC_DONE;
+ u32 de_pipe_masked = gen8_de_pipe_fault_mask(dev_priv) |
+ GEN8_PIPE_CDCLK_CRC_DONE;
u32 de_pipe_enables;
- u32 de_port_masked = GEN8_AUX_CHANNEL_A;
+ u32 de_port_masked = gen8_de_port_aux_mask(dev_priv);
u32 de_port_enables;
u32 de_misc_masked = GEN8_DE_EDP_PSR;
enum pipe pipe;
@@ -3368,21 +3400,8 @@ static void gen8_de_irq_postinstall(struct drm_i915_private *dev_priv)
if (INTEL_GEN(dev_priv) <= 10)
de_misc_masked |= GEN8_DE_MISC_GSE;
- if (INTEL_GEN(dev_priv) >= 9) {
- de_pipe_masked |= GEN9_DE_PIPE_IRQ_FAULT_ERRORS;
- de_port_masked |= GEN9_AUX_CHANNEL_B | GEN9_AUX_CHANNEL_C |
- GEN9_AUX_CHANNEL_D;
- if (IS_GEN9_LP(dev_priv))
- de_port_masked |= BXT_DE_PORT_GMBUS;
- } else {
- de_pipe_masked |= GEN8_DE_PIPE_IRQ_FAULT_ERRORS;
- }
-
- if (INTEL_GEN(dev_priv) >= 11)
- de_port_masked |= ICL_AUX_CHANNEL_E;
-
- if (IS_CNL_WITH_PORT_F(dev_priv) || INTEL_GEN(dev_priv) >= 11)
- de_port_masked |= CNL_AUX_CHANNEL_F;
+ if (IS_GEN9_LP(dev_priv))
+ de_port_masked |= BXT_DE_PORT_GMBUS;
de_pipe_enables = de_pipe_masked | GEN8_PIPE_VBLANK |
GEN8_PIPE_FIFO_UNDERRUN;
@@ -3658,7 +3677,7 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg)
intel_uncore_write16(&dev_priv->uncore, GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
- intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+ intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
i8xx_error_irq_handler(dev_priv, eir, eir_stuck);
@@ -3763,7 +3782,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg)
I915_WRITE(GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
- intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+ intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
i9xx_error_irq_handler(dev_priv, eir, eir_stuck);
@@ -3905,10 +3924,10 @@ static irqreturn_t i965_irq_handler(int irq, void *arg)
I915_WRITE(GEN2_IIR, iir);
if (iir & I915_USER_INTERRUPT)
- intel_engine_signal_breadcrumbs(dev_priv->engine[RCS0]);
+ intel_engine_signal_breadcrumbs(dev_priv->gt.engine[RCS0]);
if (iir & I915_BSD_USER_INTERRUPT)
- intel_engine_signal_breadcrumbs(dev_priv->engine[VCS0]);
+ intel_engine_signal_breadcrumbs(dev_priv->gt.engine[VCS0]);
if (iir & I915_MASTER_ERROR_INTERRUPT)
i9xx_error_irq_handler(dev_priv, eir, eir_stuck);
@@ -3936,6 +3955,8 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
struct drm_device *dev = &dev_priv->drm;
int i;
+ intel_hpd_init_pins(dev_priv);
+
intel_hpd_init_work(dev_priv);
INIT_WORK(&dev_priv->l3_parity.error_work, ivb_parity_work);
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 2c80a0194c80..eb0b5be7c35d 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -160,6 +160,7 @@
GEN(2), \
.is_mobile = 1, \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_overlay = 1, \
.display.cursor_needs_physical = 1, \
.display.overlay_needs_physical = 1, \
@@ -170,6 +171,7 @@
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
+ .dma_mask_size = 32, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
@@ -179,6 +181,7 @@
#define I845_FEATURES \
GEN(2), \
.pipe_mask = BIT(PIPE_A), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A), \
.display.has_overlay = 1, \
.display.overlay_needs_physical = 1, \
.display.has_gmch = 1, \
@@ -188,6 +191,7 @@
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = false, \
+ .dma_mask_size = 32, \
I845_PIPE_OFFSETS, \
I845_CURSOR_OFFSETS, \
I9XX_COLORS, \
@@ -218,11 +222,13 @@ static const struct intel_device_info i865g_info = {
#define GEN3_FEATURES \
GEN(3), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
+ .dma_mask_size = 32, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I9XX_COLORS, \
@@ -283,6 +289,7 @@ static const struct intel_device_info g33_info = {
PLATFORM(INTEL_G33),
.display.has_hotplug = 1,
.display.has_overlay = 1,
+ .dma_mask_size = 36,
};
static const struct intel_device_info pnv_g_info = {
@@ -290,6 +297,7 @@ static const struct intel_device_info pnv_g_info = {
PLATFORM(INTEL_PINEVIEW),
.display.has_hotplug = 1,
.display.has_overlay = 1,
+ .dma_mask_size = 36,
};
static const struct intel_device_info pnv_m_info = {
@@ -298,17 +306,20 @@ static const struct intel_device_info pnv_m_info = {
.is_mobile = 1,
.display.has_hotplug = 1,
.display.has_overlay = 1,
+ .dma_mask_size = 36,
};
#define GEN4_FEATURES \
GEN(4), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.display.has_gmch = 1, \
.gpu_reset_clobbers_display = true, \
.engine_mask = BIT(RCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
+ .dma_mask_size = 36, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
I965_COLORS, \
@@ -354,12 +365,14 @@ static const struct intel_device_info gm45_info = {
#define GEN5_FEATURES \
GEN(5), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0), \
.has_snoop = true, \
.has_coherent_ggtt = true, \
/* ilk does support rc6, but we do not implement [power] contexts */ \
.has_rc6 = 0, \
+ .dma_mask_size = 36, \
I9XX_PIPE_OFFSETS, \
I9XX_CURSOR_OFFSETS, \
ILK_COLORS, \
@@ -381,6 +394,7 @@ static const struct intel_device_info ilk_m_info = {
#define GEN6_FEATURES \
GEN(6), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
@@ -389,6 +403,7 @@ static const struct intel_device_info ilk_m_info = {
.has_rc6 = 1, \
.has_rc6p = 1, \
.has_rps = true, \
+ .dma_mask_size = 40, \
.ppgtt_type = INTEL_PPGTT_ALIASING, \
.ppgtt_size = 31, \
I9XX_PIPE_OFFSETS, \
@@ -430,6 +445,7 @@ static const struct intel_device_info snb_m_gt2_info = {
#define GEN7_FEATURES \
GEN(7), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
.display.has_hotplug = 1, \
.display.has_fbc = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
@@ -438,6 +454,7 @@ static const struct intel_device_info snb_m_gt2_info = {
.has_rc6 = 1, \
.has_rc6p = 1, \
.has_rps = true, \
+ .dma_mask_size = 40, \
.ppgtt_type = INTEL_PPGTT_ALIASING, \
.ppgtt_size = 31, \
IVB_PIPE_OFFSETS, \
@@ -482,6 +499,7 @@ static const struct intel_device_info ivb_q_info = {
PLATFORM(INTEL_IVYBRIDGE),
.gt = 2,
.pipe_mask = 0, /* legal, last one wins */
+ .cpu_transcoder_mask = 0,
.has_l3_dpf = 1,
};
@@ -490,11 +508,13 @@ static const struct intel_device_info vlv_info = {
GEN(7),
.is_lp = 1,
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
.has_runtime_pm = 1,
.has_rc6 = 1,
.has_rps = true,
.display.has_gmch = 1,
.display.has_hotplug = 1,
+ .dma_mask_size = 40,
.ppgtt_type = INTEL_PPGTT_ALIASING,
.ppgtt_size = 31,
.has_snoop = true,
@@ -511,6 +531,8 @@ static const struct intel_device_info vlv_info = {
#define G75_FEATURES \
GEN7_FEATURES, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+ BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
.display.has_ddi = 1, \
.has_fpga_dbg = 1, \
.display.has_psr = 1, \
@@ -543,6 +565,7 @@ static const struct intel_device_info hsw_gt3_info = {
G75_FEATURES, \
GEN(8), \
.has_logical_ring_contexts = 1, \
+ .dma_mask_size = 39, \
.ppgtt_type = INTEL_PPGTT_FULL, \
.ppgtt_size = 48, \
.has_64bit_reloc = 1, \
@@ -581,6 +604,7 @@ static const struct intel_device_info chv_info = {
PLATFORM(INTEL_CHERRYVIEW),
GEN(8),
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
.display.has_hotplug = 1,
.is_lp = 1,
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
@@ -590,7 +614,8 @@ static const struct intel_device_info chv_info = {
.has_rps = true,
.has_logical_ring_contexts = 1,
.display.has_gmch = 1,
- .ppgtt_type = INTEL_PPGTT_ALIASING,
+ .dma_mask_size = 39,
+ .ppgtt_type = INTEL_PPGTT_FULL,
.ppgtt_size = 32,
.has_reset_engine = 1,
.has_snoop = true,
@@ -656,6 +681,9 @@ static const struct intel_device_info skl_gt4_info = {
.display.has_hotplug = 1, \
.engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+ BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
+ BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
.has_64bit_reloc = 1, \
.display.has_ddi = 1, \
.has_fpga_dbg = 1, \
@@ -670,6 +698,7 @@ static const struct intel_device_info skl_gt4_info = {
.has_logical_ring_contexts = 1, \
.has_logical_ring_preemption = 1, \
.has_gt_uc = 1, \
+ .dma_mask_size = 39, \
.ppgtt_type = INTEL_PPGTT_FULL, \
.ppgtt_size = 48, \
.has_reset_engine = 1, \
@@ -759,6 +788,9 @@ static const struct intel_device_info cnl_info = {
#define GEN11_FEATURES \
GEN10_FEATURES, \
GEN11_DEFAULT_PAGE_SIZES, \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+ BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
+ BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
@@ -799,6 +831,10 @@ static const struct intel_device_info ehl_info = {
#define GEN12_FEATURES \
GEN11_FEATURES, \
GEN(12), \
+ .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
+ .cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
+ BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
+ BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
.pipe_offsets = { \
[TRANSCODER_A] = PIPE_A_OFFSET, \
[TRANSCODER_B] = PIPE_B_OFFSET, \
@@ -822,7 +858,6 @@ static const struct intel_device_info ehl_info = {
static const struct intel_device_info tgl_info = {
GEN12_FEATURES,
PLATFORM(INTEL_TIGERLAKE),
- .pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
.display.has_modular_fia = 1,
.engine_mask =
BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
@@ -920,8 +955,6 @@ static void i915_pci_remove(struct pci_dev *pdev)
i915_driver_remove(i915);
pci_set_drvdata(pdev, NULL);
-
- drm_dev_put(&i915->drm);
}
/* is device_id present in comma separated list of ids */
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 66a46e41d5ef..75c60c2afb7e 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -204,21 +204,6 @@
#include "i915_drv.h"
#include "i915_perf.h"
-#include "oa/i915_oa_hsw.h"
-#include "oa/i915_oa_bdw.h"
-#include "oa/i915_oa_chv.h"
-#include "oa/i915_oa_sklgt2.h"
-#include "oa/i915_oa_sklgt3.h"
-#include "oa/i915_oa_sklgt4.h"
-#include "oa/i915_oa_bxt.h"
-#include "oa/i915_oa_kblgt2.h"
-#include "oa/i915_oa_kblgt3.h"
-#include "oa/i915_oa_glk.h"
-#include "oa/i915_oa_cflgt2.h"
-#include "oa/i915_oa_cflgt3.h"
-#include "oa/i915_oa_cnl.h"
-#include "oa/i915_oa_icl.h"
-#include "oa/i915_oa_tgl.h"
/* HW requires this to be a power of two, between 128k and 16M, though driver
* is currently generally designed assuming the largest 16M size is used such
@@ -238,26 +223,17 @@
*
* Although this can be observed explicitly while copying reports to userspace
* by checking for a zeroed report-id field in tail reports, we want to account
- * for this earlier, as part of the oa_buffer_check to avoid lots of redundant
- * read() attempts.
- *
- * In effect we define a tail pointer for reading that lags the real tail
- * pointer by at least %OA_TAIL_MARGIN_NSEC nanoseconds, which gives enough
- * time for the corresponding reports to become visible to the CPU.
- *
- * To manage this we actually track two tail pointers:
- * 1) An 'aging' tail with an associated timestamp that is tracked until we
- * can trust the corresponding data is visible to the CPU; at which point
- * it is considered 'aged'.
- * 2) An 'aged' tail that can be used for read()ing.
- *
- * The two separate pointers let us decouple read()s from tail pointer aging.
- *
- * The tail pointers are checked and updated at a limited rate within a hrtimer
- * callback (the same callback that is used for delivering EPOLLIN events)
- *
- * Initially the tails are marked invalid with %INVALID_TAIL_PTR which
- * indicates that an updated tail pointer is needed.
+ * for this earlier, as part of the oa_buffer_check_unlocked to avoid lots of
+ * redundant read() attempts.
+ *
+ * We workaround this issue in oa_buffer_check_unlocked() by reading the reports
+ * in the OA buffer, starting from the tail reported by the HW until we find a
+ * report with its first 2 dwords not 0 meaning its previous report is
+ * completely in memory and ready to be read. Those dwords are also set to 0
+ * once read and the whole buffer is cleared upon OA buffer initialization. The
+ * first dword is the reason for this report while the second is the timestamp,
+ * making the chances of having those 2 fields at 0 fairly unlikely. A more
+ * detailed explanation is available in oa_buffer_check_unlocked().
*
* Most of the implementation details for this workaround are in
* oa_buffer_check_unlocked() and _append_oa_reports()
@@ -272,11 +248,11 @@
#define OA_TAIL_MARGIN_NSEC 100000ULL
#define INVALID_TAIL_PTR 0xffffffff
-/* frequency for checking whether the OA unit has written new reports to the
- * circular OA buffer...
+/* The default frequency for checking whether the OA unit has written new
+ * reports to the circular OA buffer...
*/
-#define POLL_FREQUENCY 200
-#define POLL_PERIOD (NSEC_PER_SEC / POLL_FREQUENCY)
+#define DEFAULT_POLL_FREQUENCY_HZ 200
+#define DEFAULT_POLL_PERIOD_NS (NSEC_PER_SEC / DEFAULT_POLL_FREQUENCY_HZ)
/* for sysctl proc_dointvec_minmax of dev.i915.perf_stream_paranoid */
static u32 i915_perf_stream_paranoid = true;
@@ -359,6 +335,12 @@ static const struct i915_oa_format gen12_oa_formats[I915_OA_FORMAT_MAX] = {
* @oa_periodic: Whether to enable periodic OA unit sampling
* @oa_period_exponent: The OA unit sampling period is derived from this
* @engine: The engine (typically rcs0) being monitored by the OA unit
+ * @has_sseu: Whether @sseu was specified by userspace
+ * @sseu: internal SSEU configuration computed either from the userspace
+ * specified configuration in the opening parameters or a default value
+ * (see get_default_sseu_config())
+ * @poll_oa_period: The period in nanoseconds at which the CPU will check for OA
+ * data availability
*
* As read_properties_unlocked() enumerates and validates the properties given
* to open a stream of metrics the configuration is built up in the structure
@@ -378,6 +360,11 @@ struct perf_open_properties {
int oa_period_exponent;
struct intel_engine_cs *engine;
+
+ bool has_sseu;
+ struct intel_sseu sseu;
+
+ u64 poll_oa_period;
};
struct i915_oa_config_bo {
@@ -409,10 +396,7 @@ i915_perf_get_oa_config(struct i915_perf *perf, int metrics_set)
struct i915_oa_config *oa_config;
rcu_read_lock();
- if (metrics_set == 1)
- oa_config = &perf->test_config;
- else
- oa_config = idr_find(&perf->metrics_idr, metrics_set);
+ oa_config = idr_find(&perf->metrics_idr, metrics_set);
if (oa_config)
oa_config = i915_oa_config_get(oa_config);
rcu_read_unlock();
@@ -465,8 +449,8 @@ static u32 gen7_oa_hw_tail_read(struct i915_perf_stream *stream)
* (See description of OA_TAIL_MARGIN_NSEC above for further details.)
*
* Besides returning true when there is data available to read() this function
- * also has the side effect of updating the oa_buffer.tails[], .aging_timestamp
- * and .aged_tail_idx state used for reading.
+ * also updates the tail, aging_tail and aging_timestamp in the oa_buffer
+ * object.
*
* Note: It's safe to read OA config state here unlocked, assuming that this is
* only called while the stream is enabled, while the global OA configuration
@@ -476,28 +460,19 @@ static u32 gen7_oa_hw_tail_read(struct i915_perf_stream *stream)
*/
static bool oa_buffer_check_unlocked(struct i915_perf_stream *stream)
{
+ u32 gtt_offset = i915_ggtt_offset(stream->oa_buffer.vma);
int report_size = stream->oa_buffer.format_size;
unsigned long flags;
- unsigned int aged_idx;
- u32 head, hw_tail, aged_tail, aging_tail;
+ bool pollin;
+ u32 hw_tail;
u64 now;
/* We have to consider the (unlikely) possibility that read() errors
- * could result in an OA buffer reset which might reset the head,
- * tails[] and aged_tail state.
+ * could result in an OA buffer reset which might reset the head and
+ * tail state.
*/
spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags);
- /* NB: The head we observe here might effectively be a little out of
- * date (between head and tails[aged_idx].offset if there is currently
- * a read() in progress.
- */
- head = stream->oa_buffer.head;
-
- aged_idx = stream->oa_buffer.aged_tail_idx;
- aged_tail = stream->oa_buffer.tails[aged_idx].offset;
- aging_tail = stream->oa_buffer.tails[!aged_idx].offset;
-
hw_tail = stream->perf->ops.oa_hw_tail_read(stream);
/* The tail pointer increases in 64 byte increments,
@@ -507,64 +482,63 @@ static bool oa_buffer_check_unlocked(struct i915_perf_stream *stream)
now = ktime_get_mono_fast_ns();
- /* Update the aged tail
- *
- * Flip the tail pointer available for read()s once the aging tail is
- * old enough to trust that the corresponding data will be visible to
- * the CPU...
- *
- * Do this before updating the aging pointer in case we may be able to
- * immediately start aging a new pointer too (if new data has become
- * available) without needing to wait for a later hrtimer callback.
- */
- if (aging_tail != INVALID_TAIL_PTR &&
- ((now - stream->oa_buffer.aging_timestamp) >
- OA_TAIL_MARGIN_NSEC)) {
-
- aged_idx ^= 1;
- stream->oa_buffer.aged_tail_idx = aged_idx;
+ if (hw_tail == stream->oa_buffer.aging_tail &&
+ (now - stream->oa_buffer.aging_timestamp) > OA_TAIL_MARGIN_NSEC) {
+ /* If the HW tail hasn't move since the last check and the HW
+ * tail has been aging for long enough, declare it the new
+ * tail.
+ */
+ stream->oa_buffer.tail = stream->oa_buffer.aging_tail;
+ } else {
+ u32 head, tail, aged_tail;
- aged_tail = aging_tail;
+ /* NB: The head we observe here might effectively be a little
+ * out of date. If a read() is in progress, the head could be
+ * anywhere between this head and stream->oa_buffer.tail.
+ */
+ head = stream->oa_buffer.head - gtt_offset;
+ aged_tail = stream->oa_buffer.tail - gtt_offset;
+
+ hw_tail -= gtt_offset;
+ tail = hw_tail;
+
+ /* Walk the stream backward until we find a report with dword 0
+ * & 1 not at 0. Since the circular buffer pointers progress by
+ * increments of 64 bytes and that reports can be up to 256
+ * bytes long, we can't tell whether a report has fully landed
+ * in memory before the first 2 dwords of the following report
+ * have effectively landed.
+ *
+ * This is assuming that the writes of the OA unit land in
+ * memory in the order they were written to.
+ * If not : (╯°□°)╯︵ ┻━┻
+ */
+ while (OA_TAKEN(tail, aged_tail) >= report_size) {
+ u32 *report32 = (void *)(stream->oa_buffer.vaddr + tail);
- /* Mark that we need a new pointer to start aging... */
- stream->oa_buffer.tails[!aged_idx].offset = INVALID_TAIL_PTR;
- aging_tail = INVALID_TAIL_PTR;
- }
+ if (report32[0] != 0 || report32[1] != 0)
+ break;
- /* Update the aging tail
- *
- * We throttle aging tail updates until we have a new tail that
- * represents >= one report more data than is already available for
- * reading. This ensures there will be enough data for a successful
- * read once this new pointer has aged and ensures we will give the new
- * pointer time to age.
- */
- if (aging_tail == INVALID_TAIL_PTR &&
- (aged_tail == INVALID_TAIL_PTR ||
- OA_TAKEN(hw_tail, aged_tail) >= report_size)) {
- struct i915_vma *vma = stream->oa_buffer.vma;
- u32 gtt_offset = i915_ggtt_offset(vma);
-
- /* Be paranoid and do a bounds check on the pointer read back
- * from hardware, just in case some spurious hardware condition
- * could put the tail out of bounds...
- */
- if (hw_tail >= gtt_offset &&
- hw_tail < (gtt_offset + OA_BUFFER_SIZE)) {
- stream->oa_buffer.tails[!aged_idx].offset =
- aging_tail = hw_tail;
- stream->oa_buffer.aging_timestamp = now;
- } else {
- drm_err(&stream->perf->i915->drm,
- "Ignoring spurious out of range OA buffer tail pointer = %x\n",
- hw_tail);
+ tail = (tail - report_size) & (OA_BUFFER_SIZE - 1);
}
+
+ if (OA_TAKEN(hw_tail, tail) > report_size &&
+ __ratelimit(&stream->perf->tail_pointer_race))
+ DRM_NOTE("unlanded report(s) head=0x%x "
+ "tail=0x%x hw_tail=0x%x\n",
+ head, tail, hw_tail);
+
+ stream->oa_buffer.tail = gtt_offset + tail;
+ stream->oa_buffer.aging_tail = gtt_offset + hw_tail;
+ stream->oa_buffer.aging_timestamp = now;
}
+ pollin = OA_TAKEN(stream->oa_buffer.tail - gtt_offset,
+ stream->oa_buffer.head - gtt_offset) >= report_size;
+
spin_unlock_irqrestore(&stream->oa_buffer.ptr_lock, flags);
- return aged_tail == INVALID_TAIL_PTR ?
- false : OA_TAKEN(aged_tail, head) >= report_size;
+ return pollin;
}
/**
@@ -682,7 +656,6 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream,
u32 mask = (OA_BUFFER_SIZE - 1);
size_t start_offset = *offset;
unsigned long flags;
- unsigned int aged_tail_idx;
u32 head, tail;
u32 taken;
int ret = 0;
@@ -693,19 +666,11 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream,
spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags);
head = stream->oa_buffer.head;
- aged_tail_idx = stream->oa_buffer.aged_tail_idx;
- tail = stream->oa_buffer.tails[aged_tail_idx].offset;
+ tail = stream->oa_buffer.tail;
spin_unlock_irqrestore(&stream->oa_buffer.ptr_lock, flags);
/*
- * An invalid tail pointer here means we're still waiting for the poll
- * hrtimer callback to give us a pointer
- */
- if (tail == INVALID_TAIL_PTR)
- return -EAGAIN;
-
- /*
* NB: oa_buffer.head/tail include the gtt_offset which we don't want
* while indexing relative to oa_buf_base.
*/
@@ -838,13 +803,11 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream,
}
/*
- * The above reason field sanity check is based on
- * the assumption that the OA buffer is initially
- * zeroed and we reset the field after copying so the
- * check is still meaningful once old reports start
- * being overwritten.
+ * Clear out the first 2 dword as a mean to detect unlanded
+ * reports.
*/
report32[0] = 0;
+ report32[1] = 0;
}
if (start_offset != *offset) {
@@ -985,7 +948,6 @@ static int gen7_append_oa_reports(struct i915_perf_stream *stream,
u32 mask = (OA_BUFFER_SIZE - 1);
size_t start_offset = *offset;
unsigned long flags;
- unsigned int aged_tail_idx;
u32 head, tail;
u32 taken;
int ret = 0;
@@ -996,17 +958,10 @@ static int gen7_append_oa_reports(struct i915_perf_stream *stream,
spin_lock_irqsave(&stream->oa_buffer.ptr_lock, flags);
head = stream->oa_buffer.head;
- aged_tail_idx = stream->oa_buffer.aged_tail_idx;
- tail = stream->oa_buffer.tails[aged_tail_idx].offset;
+ tail = stream->oa_buffer.tail;
spin_unlock_irqrestore(&stream->oa_buffer.ptr_lock, flags);
- /* An invalid tail pointer here means we're still waiting for the poll
- * hrtimer callback to give us a pointer
- */
- if (tail == INVALID_TAIL_PTR)
- return -EAGAIN;
-
/* NB: oa_buffer.head/tail include the gtt_offset which we don't want
* while indexing relative to oa_buf_base.
*/
@@ -1064,13 +1019,11 @@ static int gen7_append_oa_reports(struct i915_perf_stream *stream,
if (ret)
break;
- /* The above report-id field sanity check is based on
- * the assumption that the OA buffer is initially
- * zeroed and we reset the field after copying so the
- * check is still meaningful once old reports start
- * being overwritten.
+ /* Clear out the first 2 dwords as a mean to detect unlanded
+ * reports.
*/
report32[0] = 0;
+ report32[1] = 0;
}
if (start_offset != *offset) {
@@ -1310,8 +1263,7 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
* dropped by GuC. They won't be part of the context
* ID in the OA reports, so squash those lower bits.
*/
- stream->specific_ctx_id =
- lower_32_bits(ce->lrc_desc) >> 12;
+ stream->specific_ctx_id = ce->lrc.lrca >> 12;
/*
* GuC uses the top bit to signal proxy submission, so
@@ -1328,11 +1280,10 @@ static int oa_get_render_ctx_id(struct i915_perf_stream *stream)
((1U << GEN11_SW_CTX_ID_WIDTH) - 1) << (GEN11_SW_CTX_ID_SHIFT - 32);
/*
* Pick an unused context id
- * 0 - (NUM_CONTEXT_TAG - 1) are used by other contexts
+ * 0 - BITS_PER_LONG are used by other contexts
* GEN12_MAX_CONTEXT_HW_ID (0x7ff) is used by idle context
*/
stream->specific_ctx_id = (GEN12_MAX_CONTEXT_HW_ID - 1) << (GEN11_SW_CTX_ID_SHIFT - 32);
- BUILD_BUG_ON((GEN12_MAX_CONTEXT_HW_ID - 1) < NUM_CONTEXT_TAG);
break;
}
@@ -1449,8 +1400,8 @@ static void gen7_init_oa_buffer(struct i915_perf_stream *stream)
gtt_offset | OABUFFER_SIZE_16M);
/* Mark that we need updated tail pointers to read from... */
- stream->oa_buffer.tails[0].offset = INVALID_TAIL_PTR;
- stream->oa_buffer.tails[1].offset = INVALID_TAIL_PTR;
+ stream->oa_buffer.aging_tail = INVALID_TAIL_PTR;
+ stream->oa_buffer.tail = gtt_offset;
spin_unlock_irqrestore(&stream->oa_buffer.ptr_lock, flags);
@@ -1472,8 +1423,6 @@ static void gen7_init_oa_buffer(struct i915_perf_stream *stream)
* memory...
*/
memset(stream->oa_buffer.vaddr, 0, OA_BUFFER_SIZE);
-
- stream->pollin = false;
}
static void gen8_init_oa_buffer(struct i915_perf_stream *stream)
@@ -1503,8 +1452,8 @@ static void gen8_init_oa_buffer(struct i915_perf_stream *stream)
intel_uncore_write(uncore, GEN8_OATAILPTR, gtt_offset & GEN8_OATAILPTR_MASK);
/* Mark that we need updated tail pointers to read from... */
- stream->oa_buffer.tails[0].offset = INVALID_TAIL_PTR;
- stream->oa_buffer.tails[1].offset = INVALID_TAIL_PTR;
+ stream->oa_buffer.aging_tail = INVALID_TAIL_PTR;
+ stream->oa_buffer.tail = gtt_offset;
/*
* Reset state used to recognise context switches, affecting which
@@ -1528,8 +1477,6 @@ static void gen8_init_oa_buffer(struct i915_perf_stream *stream)
* memory...
*/
memset(stream->oa_buffer.vaddr, 0, OA_BUFFER_SIZE);
-
- stream->pollin = false;
}
static void gen12_init_oa_buffer(struct i915_perf_stream *stream)
@@ -1559,8 +1506,8 @@ static void gen12_init_oa_buffer(struct i915_perf_stream *stream)
gtt_offset & GEN12_OAG_OATAILPTR_MASK);
/* Mark that we need updated tail pointers to read from... */
- stream->oa_buffer.tails[0].offset = INVALID_TAIL_PTR;
- stream->oa_buffer.tails[1].offset = INVALID_TAIL_PTR;
+ stream->oa_buffer.aging_tail = INVALID_TAIL_PTR;
+ stream->oa_buffer.tail = gtt_offset;
/*
* Reset state used to recognise context switches, affecting which
@@ -1585,8 +1532,6 @@ static void gen12_init_oa_buffer(struct i915_perf_stream *stream)
*/
memset(stream->oa_buffer.vaddr, 0,
stream->oa_buffer.vma->size);
-
- stream->pollin = false;
}
static int alloc_oa_buffer(struct i915_perf_stream *stream)
@@ -1667,10 +1612,7 @@ static int alloc_noa_wait(struct i915_perf_stream *stream)
struct drm_i915_gem_object *bo;
struct i915_vma *vma;
const u64 delay_ticks = 0xffffffffffffffff -
- DIV64_U64_ROUND_UP(
- atomic64_read(&stream->perf->noa_programming_delay) *
- RUNTIME_INFO(i915)->cs_timestamp_frequency_khz,
- 1000000ull);
+ i915_cs_timestamp_ns_to_ticks(i915, atomic64_read(&stream->perf->noa_programming_delay));
const u32 base = stream->engine->mmio_base;
#define CS_GPR(x) GEN8_RING_CS_GPR(base, x)
u32 *batch, *ts0, *cs, *jump;
@@ -1972,10 +1914,11 @@ out:
return i915_vma_get(oa_bo->vma);
}
-static struct i915_request *
+static int
emit_oa_config(struct i915_perf_stream *stream,
struct i915_oa_config *oa_config,
- struct intel_context *ce)
+ struct intel_context *ce,
+ struct i915_active *active)
{
struct i915_request *rq;
struct i915_vma *vma;
@@ -1983,7 +1926,7 @@ emit_oa_config(struct i915_perf_stream *stream,
vma = get_oa_vma(stream, oa_config);
if (IS_ERR(vma))
- return ERR_CAST(vma);
+ return PTR_ERR(vma);
err = i915_vma_pin(vma, 0, 0, PIN_GLOBAL | PIN_HIGH);
if (err)
@@ -1997,6 +1940,18 @@ emit_oa_config(struct i915_perf_stream *stream,
goto err_vma_unpin;
}
+ if (!IS_ERR_OR_NULL(active)) {
+ /* After all individual context modifications */
+ err = i915_request_await_active(rq, active,
+ I915_ACTIVE_AWAIT_ACTIVE);
+ if (err)
+ goto err_add_request;
+
+ err = i915_active_add_request(active, rq);
+ if (err)
+ goto err_add_request;
+ }
+
i915_vma_lock(vma);
err = i915_request_await_object(rq, vma->obj, 0);
if (!err)
@@ -2011,14 +1966,13 @@ emit_oa_config(struct i915_perf_stream *stream,
if (err)
goto err_add_request;
- i915_request_get(rq);
err_add_request:
i915_request_add(rq);
err_vma_unpin:
i915_vma_unpin(vma);
err_vma_put:
i915_vma_put(vma);
- return err ? ERR_PTR(err) : rq;
+ return err;
}
static struct intel_context *oa_context(struct i915_perf_stream *stream)
@@ -2026,8 +1980,9 @@ static struct intel_context *oa_context(struct i915_perf_stream *stream)
return stream->pinned_ctx ?: stream->engine->kernel_context;
}
-static struct i915_request *
-hsw_enable_metric_set(struct i915_perf_stream *stream)
+static int
+hsw_enable_metric_set(struct i915_perf_stream *stream,
+ struct i915_active *active)
{
struct intel_uncore *uncore = stream->uncore;
@@ -2046,7 +2001,9 @@ hsw_enable_metric_set(struct i915_perf_stream *stream)
intel_uncore_rmw(uncore, GEN6_UCGCTL1,
0, GEN6_CSUNIT_CLOCK_GATE_DISABLE);
- return emit_oa_config(stream, stream->oa_config, oa_context(stream));
+ return emit_oa_config(stream,
+ stream->oa_config, oa_context(stream),
+ active);
}
static void hsw_disable_metric_set(struct i915_perf_stream *stream)
@@ -2116,9 +2073,6 @@ gen8_update_reg_state_unlocked(const struct intel_context *ce,
for (i = 0; i < ARRAY_SIZE(flex_regs); i++)
reg_state[ctx_flexeu0 + i * 2 + 1] =
oa_config_flex_reg(stream->oa_config, flex_regs[i]);
-
- reg_state[CTX_R_PWR_CLK_STATE] =
- intel_sseu_make_rpcs(ce->engine->i915, &ce->sseu);
}
struct flex {
@@ -2139,7 +2093,7 @@ gen8_store_flex(struct i915_request *rq,
if (IS_ERR(cs))
return PTR_ERR(cs);
- offset = i915_ggtt_offset(ce->state) + LRC_STATE_PN * PAGE_SIZE;
+ offset = i915_ggtt_offset(ce->state) + LRC_STATE_OFFSET;
do {
*cs++ = MI_STORE_DWORD_IMM_GEN4 | MI_USE_GGTT;
*cs++ = offset + flex->offset * sizeof(u32);
@@ -2196,8 +2150,10 @@ static int gen8_modify_context(struct intel_context *ce,
return err;
}
-static int gen8_modify_self(struct intel_context *ce,
- const struct flex *flex, unsigned int count)
+static int
+gen8_modify_self(struct intel_context *ce,
+ const struct flex *flex, unsigned int count,
+ struct i915_active *active)
{
struct i915_request *rq;
int err;
@@ -2208,8 +2164,17 @@ static int gen8_modify_self(struct intel_context *ce,
if (IS_ERR(rq))
return PTR_ERR(rq);
+ if (!IS_ERR_OR_NULL(active)) {
+ err = i915_active_add_request(active, rq);
+ if (err)
+ goto err_add_request;
+ }
+
err = gen8_load_flex(rq, ce, flex, count);
+ if (err)
+ goto err_add_request;
+err_add_request:
i915_request_add(rq);
return err;
}
@@ -2243,7 +2208,8 @@ static int gen8_configure_context(struct i915_gem_context *ctx,
return err;
}
-static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool enable)
+static int gen12_configure_oar_context(struct i915_perf_stream *stream,
+ struct i915_active *active)
{
int err;
struct intel_context *ce = stream->pinned_ctx;
@@ -2252,7 +2218,7 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
{
GEN8_OACTXCONTROL,
stream->perf->ctx_oactxctrl_offset + 1,
- enable ? GEN8_OA_COUNTER_RESUME : 0,
+ active ? GEN8_OA_COUNTER_RESUME : 0,
},
};
/* Offsets in regs_lri are not used since this configuration is only
@@ -2264,13 +2230,13 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
GEN12_OAR_OACONTROL,
GEN12_OAR_OACONTROL_OFFSET + 1,
(format << GEN12_OAR_OACONTROL_COUNTER_FORMAT_SHIFT) |
- (enable ? GEN12_OAR_OACONTROL_COUNTER_ENABLE : 0)
+ (active ? GEN12_OAR_OACONTROL_COUNTER_ENABLE : 0)
},
{
RING_CONTEXT_CONTROL(ce->engine->mmio_base),
CTX_CONTEXT_CONTROL,
_MASKED_FIELD(GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE,
- enable ?
+ active ?
GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE :
0)
},
@@ -2287,7 +2253,7 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
return err;
/* Apply regs_lri using LRI with pinned context */
- return gen8_modify_self(ce, regs_lri, ARRAY_SIZE(regs_lri));
+ return gen8_modify_self(ce, regs_lri, ARRAY_SIZE(regs_lri), active);
}
/*
@@ -2315,9 +2281,11 @@ static int gen12_configure_oar_context(struct i915_perf_stream *stream, bool ena
* Note: it's only the RCS/Render context that has any OA state.
* Note: the first flex register passed must always be R_PWR_CLK_STATE
*/
-static int oa_configure_all_contexts(struct i915_perf_stream *stream,
- struct flex *regs,
- size_t num_regs)
+static int
+oa_configure_all_contexts(struct i915_perf_stream *stream,
+ struct flex *regs,
+ size_t num_regs,
+ struct i915_active *active)
{
struct drm_i915_private *i915 = stream->perf->i915;
struct intel_engine_cs *engine;
@@ -2374,7 +2342,7 @@ static int oa_configure_all_contexts(struct i915_perf_stream *stream,
regs[0].value = intel_sseu_make_rpcs(i915, &ce->sseu);
- err = gen8_modify_self(ce, regs, num_regs);
+ err = gen8_modify_self(ce, regs, num_regs, active);
if (err)
return err;
}
@@ -2382,8 +2350,10 @@ static int oa_configure_all_contexts(struct i915_perf_stream *stream,
return 0;
}
-static int gen12_configure_all_contexts(struct i915_perf_stream *stream,
- const struct i915_oa_config *oa_config)
+static int
+gen12_configure_all_contexts(struct i915_perf_stream *stream,
+ const struct i915_oa_config *oa_config,
+ struct i915_active *active)
{
struct flex regs[] = {
{
@@ -2392,11 +2362,15 @@ static int gen12_configure_all_contexts(struct i915_perf_stream *stream,
},
};
- return oa_configure_all_contexts(stream, regs, ARRAY_SIZE(regs));
+ return oa_configure_all_contexts(stream,
+ regs, ARRAY_SIZE(regs),
+ active);
}
-static int lrc_configure_all_contexts(struct i915_perf_stream *stream,
- const struct i915_oa_config *oa_config)
+static int
+lrc_configure_all_contexts(struct i915_perf_stream *stream,
+ const struct i915_oa_config *oa_config,
+ struct i915_active *active)
{
/* The MMIO offsets for Flex EU registers aren't contiguous */
const u32 ctx_flexeu0 = stream->perf->ctx_flexeu0_offset;
@@ -2429,11 +2403,14 @@ static int lrc_configure_all_contexts(struct i915_perf_stream *stream,
for (i = 2; i < ARRAY_SIZE(regs); i++)
regs[i].value = oa_config_flex_reg(oa_config, regs[i].reg);
- return oa_configure_all_contexts(stream, regs, ARRAY_SIZE(regs));
+ return oa_configure_all_contexts(stream,
+ regs, ARRAY_SIZE(regs),
+ active);
}
-static struct i915_request *
-gen8_enable_metric_set(struct i915_perf_stream *stream)
+static int
+gen8_enable_metric_set(struct i915_perf_stream *stream,
+ struct i915_active *active)
{
struct intel_uncore *uncore = stream->uncore;
struct i915_oa_config *oa_config = stream->oa_config;
@@ -2473,11 +2450,13 @@ gen8_enable_metric_set(struct i915_perf_stream *stream)
* to make sure all slices/subslices are ON before writing to NOA
* registers.
*/
- ret = lrc_configure_all_contexts(stream, oa_config);
+ ret = lrc_configure_all_contexts(stream, oa_config, active);
if (ret)
- return ERR_PTR(ret);
+ return ret;
- return emit_oa_config(stream, oa_config, oa_context(stream));
+ return emit_oa_config(stream,
+ stream->oa_config, oa_context(stream),
+ active);
}
static u32 oag_report_ctx_switches(const struct i915_perf_stream *stream)
@@ -2487,8 +2466,9 @@ static u32 oag_report_ctx_switches(const struct i915_perf_stream *stream)
0 : GEN12_OAG_OA_DEBUG_DISABLE_CTX_SWITCH_REPORTS);
}
-static struct i915_request *
-gen12_enable_metric_set(struct i915_perf_stream *stream)
+static int
+gen12_enable_metric_set(struct i915_perf_stream *stream,
+ struct i915_active *active)
{
struct intel_uncore *uncore = stream->uncore;
struct i915_oa_config *oa_config = stream->oa_config;
@@ -2517,9 +2497,9 @@ gen12_enable_metric_set(struct i915_perf_stream *stream)
* to make sure all slices/subslices are ON before writing to NOA
* registers.
*/
- ret = gen12_configure_all_contexts(stream, oa_config);
+ ret = gen12_configure_all_contexts(stream, oa_config, active);
if (ret)
- return ERR_PTR(ret);
+ return ret;
/*
* For Gen12, performance counters are context
@@ -2527,12 +2507,14 @@ gen12_enable_metric_set(struct i915_perf_stream *stream)
* requested this.
*/
if (stream->ctx) {
- ret = gen12_configure_oar_context(stream, true);
+ ret = gen12_configure_oar_context(stream, active);
if (ret)
- return ERR_PTR(ret);
+ return ret;
}
- return emit_oa_config(stream, oa_config, oa_context(stream));
+ return emit_oa_config(stream,
+ stream->oa_config, oa_context(stream),
+ active);
}
static void gen8_disable_metric_set(struct i915_perf_stream *stream)
@@ -2540,7 +2522,7 @@ static void gen8_disable_metric_set(struct i915_perf_stream *stream)
struct intel_uncore *uncore = stream->uncore;
/* Reset all contexts' slices/subslices configurations. */
- lrc_configure_all_contexts(stream, NULL);
+ lrc_configure_all_contexts(stream, NULL, NULL);
intel_uncore_rmw(uncore, GDT_CHICKEN_BITS, GT_NOA_ENABLE, 0);
}
@@ -2550,7 +2532,7 @@ static void gen10_disable_metric_set(struct i915_perf_stream *stream)
struct intel_uncore *uncore = stream->uncore;
/* Reset all contexts' slices/subslices configurations. */
- lrc_configure_all_contexts(stream, NULL);
+ lrc_configure_all_contexts(stream, NULL, NULL);
/* Make sure we disable noa to save power. */
intel_uncore_rmw(uncore, RPM_CONFIG1, GEN10_GT_NOA_ENABLE, 0);
@@ -2561,11 +2543,11 @@ static void gen12_disable_metric_set(struct i915_perf_stream *stream)
struct intel_uncore *uncore = stream->uncore;
/* Reset all contexts' slices/subslices configurations. */
- gen12_configure_all_contexts(stream, NULL);
+ gen12_configure_all_contexts(stream, NULL, NULL);
/* disable the context save/restore or OAR counters */
if (stream->ctx)
- gen12_configure_oar_context(stream, false);
+ gen12_configure_oar_context(stream, NULL);
/* Make sure we disable noa to save power. */
intel_uncore_rmw(uncore, RPM_CONFIG1, GEN10_GT_NOA_ENABLE, 0);
@@ -2657,11 +2639,13 @@ static void gen12_oa_enable(struct i915_perf_stream *stream)
*/
static void i915_oa_stream_enable(struct i915_perf_stream *stream)
{
+ stream->pollin = false;
+
stream->perf->ops.oa_enable(stream);
if (stream->periodic)
hrtimer_start(&stream->poll_check_timer,
- ns_to_ktime(POLL_PERIOD),
+ ns_to_ktime(stream->poll_oa_period),
HRTIMER_MODE_REL_PINNED);
}
@@ -2737,16 +2721,52 @@ static const struct i915_perf_stream_ops i915_oa_stream_ops = {
static int i915_perf_stream_enable_sync(struct i915_perf_stream *stream)
{
- struct i915_request *rq;
+ struct i915_active *active;
+ int err;
- rq = stream->perf->ops.enable_metric_set(stream);
- if (IS_ERR(rq))
- return PTR_ERR(rq);
+ active = i915_active_create();
+ if (!active)
+ return -ENOMEM;
- i915_request_wait(rq, 0, MAX_SCHEDULE_TIMEOUT);
- i915_request_put(rq);
+ err = stream->perf->ops.enable_metric_set(stream, active);
+ if (err == 0)
+ __i915_active_wait(active, TASK_UNINTERRUPTIBLE);
- return 0;
+ i915_active_put(active);
+ return err;
+}
+
+static void
+get_default_sseu_config(struct intel_sseu *out_sseu,
+ struct intel_engine_cs *engine)
+{
+ const struct sseu_dev_info *devinfo_sseu =
+ &RUNTIME_INFO(engine->i915)->sseu;
+
+ *out_sseu = intel_sseu_from_device_info(devinfo_sseu);
+
+ if (IS_GEN(engine->i915, 11)) {
+ /*
+ * We only need subslice count so it doesn't matter which ones
+ * we select - just turn off low bits in the amount of half of
+ * all available subslices per slice.
+ */
+ out_sseu->subslice_mask =
+ ~(~0 << (hweight8(out_sseu->subslice_mask) / 2));
+ out_sseu->slice_mask = 0x1;
+ }
+}
+
+static int
+get_sseu_config(struct intel_sseu *out_sseu,
+ struct intel_engine_cs *engine,
+ const struct drm_i915_gem_context_param_sseu *drm_sseu)
+{
+ if (drm_sseu->engine.engine_class != engine->uabi_class ||
+ drm_sseu->engine.engine_instance != engine->uabi_instance)
+ return -EINVAL;
+
+ return i915_gem_user_to_context_sseu(engine->i915, drm_sseu, out_sseu);
}
/**
@@ -2881,6 +2901,8 @@ static int i915_oa_stream_init(struct i915_perf_stream *stream,
goto err_oa_buf_alloc;
stream->ops = &i915_oa_stream_ops;
+
+ perf->sseu = props->sseu;
WRITE_ONCE(perf->exclusive_stream, stream);
ret = i915_perf_stream_enable_sync(stream);
@@ -2932,10 +2954,6 @@ void i915_oa_init_reg_state(const struct intel_context *ce,
/* perf.exclusive_stream serialised by lrc_configure_all_contexts() */
stream = READ_ONCE(engine->i915->perf.exclusive_stream);
- /*
- * For gen12, only CTX_R_PWR_CLK_STATE needs update, but the caller
- * is already doing that, so nothing to be done for gen12 here.
- */
if (stream && INTEL_GEN(stream->perf->i915) < 12)
gen8_update_reg_state_unlocked(ce, stream);
}
@@ -3026,7 +3044,8 @@ static enum hrtimer_restart oa_poll_check_timer_cb(struct hrtimer *hrtimer)
wake_up(&stream->poll_wq);
}
- hrtimer_forward_now(hrtimer, ns_to_ktime(POLL_PERIOD));
+ hrtimer_forward_now(hrtimer,
+ ns_to_ktime(stream->poll_oa_period));
return HRTIMER_RESTART;
}
@@ -3157,7 +3176,7 @@ static long i915_perf_config_locked(struct i915_perf_stream *stream,
return -EINVAL;
if (config != stream->oa_config) {
- struct i915_request *rq;
+ int err;
/*
* If OA is bound to a specific context, emit the
@@ -3168,13 +3187,11 @@ static long i915_perf_config_locked(struct i915_perf_stream *stream,
* When set globally, we use a low priority kernel context,
* so it will effectively take effect when idle.
*/
- rq = emit_oa_config(stream, config, oa_context(stream));
- if (!IS_ERR(rq)) {
+ err = emit_oa_config(stream, config, oa_context(stream), NULL);
+ if (!err)
config = xchg(&stream->oa_config, config);
- i915_request_put(rq);
- } else {
- ret = PTR_ERR(rq);
- }
+ else
+ ret = err;
}
i915_oa_config_put(config);
@@ -3387,13 +3404,21 @@ i915_perf_open_ioctl_locked(struct i915_perf *perf,
privileged_op = true;
}
+ /*
+ * Asking for SSEU configuration is a priviliged operation.
+ */
+ if (props->has_sseu)
+ privileged_op = true;
+ else
+ get_default_sseu_config(&props->sseu, props->engine);
+
/* Similar to perf's kernel.perf_paranoid_cpu sysctl option
* we check a dev.i915.perf_stream_paranoid sysctl option
* to determine if it's ok to access system wide OA counters
- * without CAP_SYS_ADMIN privileges.
+ * without CAP_PERFMON or CAP_SYS_ADMIN privileges.
*/
if (privileged_op &&
- i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) {
+ i915_perf_stream_paranoid && !perfmon_capable()) {
DRM_DEBUG("Insufficient privileges to open i915 perf stream\n");
ret = -EACCES;
goto err_ctx;
@@ -3407,6 +3432,7 @@ i915_perf_open_ioctl_locked(struct i915_perf *perf,
stream->perf = perf;
stream->ctx = specific_ctx;
+ stream->poll_oa_period = props->poll_oa_period;
ret = i915_oa_stream_init(stream, param, props);
if (ret)
@@ -3456,8 +3482,7 @@ err:
static u64 oa_exponent_to_ns(struct i915_perf *perf, int exponent)
{
- return div64_u64(1000000000ULL * (2ULL << exponent),
- 1000ULL * RUNTIME_INFO(perf->i915)->cs_timestamp_frequency_khz);
+ return i915_cs_timestamp_ticks_to_ns(perf->i915, 2ULL << exponent);
}
/**
@@ -3482,8 +3507,10 @@ static int read_properties_unlocked(struct i915_perf *perf,
{
u64 __user *uprop = uprops;
u32 i;
+ int ret;
memset(props, 0, sizeof(struct perf_open_properties));
+ props->poll_oa_period = DEFAULT_POLL_PERIOD_NS;
if (!n_props) {
DRM_DEBUG("No i915 perf properties given\n");
@@ -3513,7 +3540,6 @@ static int read_properties_unlocked(struct i915_perf *perf,
for (i = 0; i < n_props; i++) {
u64 oa_period, oa_freq_hz;
u64 id, value;
- int ret;
ret = get_user(id, uprop);
if (ret)
@@ -3586,9 +3612,8 @@ static int read_properties_unlocked(struct i915_perf *perf,
} else
oa_freq_hz = 0;
- if (oa_freq_hz > i915_oa_max_sample_rate &&
- !capable(CAP_SYS_ADMIN)) {
- DRM_DEBUG("OA exponent would exceed the max sampling frequency (sysctl dev.i915.oa_max_sample_rate) %uHz without root privileges\n",
+ if (oa_freq_hz > i915_oa_max_sample_rate && !perfmon_capable()) {
+ DRM_DEBUG("OA exponent would exceed the max sampling frequency (sysctl dev.i915.oa_max_sample_rate) %uHz without CAP_PERFMON or CAP_SYS_ADMIN privileges\n",
i915_oa_max_sample_rate);
return -EACCES;
}
@@ -3599,6 +3624,32 @@ static int read_properties_unlocked(struct i915_perf *perf,
case DRM_I915_PERF_PROP_HOLD_PREEMPTION:
props->hold_preemption = !!value;
break;
+ case DRM_I915_PERF_PROP_GLOBAL_SSEU: {
+ struct drm_i915_gem_context_param_sseu user_sseu;
+
+ if (copy_from_user(&user_sseu,
+ u64_to_user_ptr(value),
+ sizeof(user_sseu))) {
+ DRM_DEBUG("Unable to copy global sseu parameter\n");
+ return -EFAULT;
+ }
+
+ ret = get_sseu_config(&props->sseu, props->engine, &user_sseu);
+ if (ret) {
+ DRM_DEBUG("Invalid SSEU configuration\n");
+ return ret;
+ }
+ props->has_sseu = true;
+ break;
+ }
+ case DRM_I915_PERF_PROP_POLL_OA_PERIOD:
+ if (value < 100000 /* 100us */) {
+ DRM_DEBUG("OA availability timer too small (%lluns < 100us)\n",
+ value);
+ return -EINVAL;
+ }
+ props->poll_oa_period = value;
+ break;
case DRM_I915_PERF_PROP_MAX:
MISSING_CASE(id);
return -EINVAL;
@@ -3681,7 +3732,6 @@ int i915_perf_open_ioctl(struct drm_device *dev, void *data,
void i915_perf_register(struct drm_i915_private *i915)
{
struct i915_perf *perf = &i915->perf;
- int ret;
if (!perf->i915)
return;
@@ -3695,64 +3745,7 @@ void i915_perf_register(struct drm_i915_private *i915)
perf->metrics_kobj =
kobject_create_and_add("metrics",
&i915->drm.primary->kdev->kobj);
- if (!perf->metrics_kobj)
- goto exit;
-
- sysfs_attr_init(&perf->test_config.sysfs_metric_id.attr);
-
- if (IS_TIGERLAKE(i915)) {
- i915_perf_load_test_config_tgl(i915);
- } else if (INTEL_GEN(i915) >= 11) {
- i915_perf_load_test_config_icl(i915);
- } else if (IS_CANNONLAKE(i915)) {
- i915_perf_load_test_config_cnl(i915);
- } else if (IS_COFFEELAKE(i915)) {
- if (IS_CFL_GT2(i915))
- i915_perf_load_test_config_cflgt2(i915);
- if (IS_CFL_GT3(i915))
- i915_perf_load_test_config_cflgt3(i915);
- } else if (IS_GEMINILAKE(i915)) {
- i915_perf_load_test_config_glk(i915);
- } else if (IS_KABYLAKE(i915)) {
- if (IS_KBL_GT2(i915))
- i915_perf_load_test_config_kblgt2(i915);
- else if (IS_KBL_GT3(i915))
- i915_perf_load_test_config_kblgt3(i915);
- } else if (IS_BROXTON(i915)) {
- i915_perf_load_test_config_bxt(i915);
- } else if (IS_SKYLAKE(i915)) {
- if (IS_SKL_GT2(i915))
- i915_perf_load_test_config_sklgt2(i915);
- else if (IS_SKL_GT3(i915))
- i915_perf_load_test_config_sklgt3(i915);
- else if (IS_SKL_GT4(i915))
- i915_perf_load_test_config_sklgt4(i915);
- } else if (IS_CHERRYVIEW(i915)) {
- i915_perf_load_test_config_chv(i915);
- } else if (IS_BROADWELL(i915)) {
- i915_perf_load_test_config_bdw(i915);
- } else if (IS_HASWELL(i915)) {
- i915_perf_load_test_config_hsw(i915);
- }
-
- if (perf->test_config.id == 0)
- goto sysfs_error;
-
- ret = sysfs_create_group(perf->metrics_kobj,
- &perf->test_config.sysfs_metric);
- if (ret)
- goto sysfs_error;
-
- perf->test_config.perf = perf;
- kref_init(&perf->test_config.ref);
-
- goto exit;
-sysfs_error:
- kobject_put(perf->metrics_kobj);
- perf->metrics_kobj = NULL;
-
-exit:
mutex_unlock(&perf->lock);
}
@@ -3772,9 +3765,6 @@ void i915_perf_unregister(struct drm_i915_private *i915)
if (!perf->metrics_kobj)
return;
- sysfs_remove_group(perf->metrics_kobj,
- &perf->test_config.sysfs_metric);
-
kobject_put(perf->metrics_kobj);
perf->metrics_kobj = NULL;
}
@@ -4009,7 +3999,7 @@ int i915_perf_add_config_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
}
- if (i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) {
+ if (i915_perf_stream_paranoid && !perfmon_capable()) {
DRM_DEBUG("Insufficient privileges to add i915 OA config\n");
return -EACCES;
}
@@ -4156,7 +4146,7 @@ int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data,
return -ENOTSUPP;
}
- if (i915_perf_stream_paranoid && !capable(CAP_SYS_ADMIN)) {
+ if (i915_perf_stream_paranoid && !perfmon_capable()) {
DRM_DEBUG("Insufficient privileges to remove i915 OA config\n");
return -EACCES;
}
@@ -4349,8 +4339,8 @@ void i915_perf_init(struct drm_i915_private *i915)
if (perf->ops.enable_metric_set) {
mutex_init(&perf->lock);
- oa_sample_rate_hard_limit = 1000 *
- (RUNTIME_INFO(i915)->cs_timestamp_frequency_khz / 2);
+ oa_sample_rate_hard_limit =
+ RUNTIME_INFO(i915)->cs_timestamp_frequency_hz / 2;
mutex_init(&perf->metrics_lock);
idr_init(&perf->metrics_idr);
@@ -4373,6 +4363,11 @@ void i915_perf_init(struct drm_i915_private *i915)
ratelimit_set_flags(&perf->spurious_report_rs,
RATELIMIT_MSG_ON_RELEASE);
+ ratelimit_state_init(&perf->tail_pointer_race,
+ 5 * HZ, 10);
+ ratelimit_set_flags(&perf->tail_pointer_race,
+ RATELIMIT_MSG_ON_RELEASE);
+
atomic64_set(&perf->noa_programming_delay,
500 * 1000 /* 500us */);
@@ -4433,8 +4428,15 @@ int i915_perf_ioctl_version(void)
* preemption on a particular context so that performance data is
* accessible from a delta of MI_RPC reports without looking at the
* OA buffer.
+ *
+ * 4: Add DRM_I915_PERF_PROP_ALLOWED_SSEU to limit what contexts can
+ * be run for the duration of the performance recording based on
+ * their SSEU configuration.
+ *
+ * 5: Add DRM_I915_PERF_PROP_POLL_OA_PERIOD parameter that controls the
+ * interval for the hrtimer used to check for OA data.
*/
- return 3;
+ return 5;
}
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
diff --git a/drivers/gpu/drm/i915/i915_perf_types.h b/drivers/gpu/drm/i915/i915_perf_types.h
index a0e22f00f6cf..a36a455ae336 100644
--- a/drivers/gpu/drm/i915/i915_perf_types.h
+++ b/drivers/gpu/drm/i915/i915_perf_types.h
@@ -16,11 +16,13 @@
#include <linux/uuid.h>
#include <linux/wait.h>
+#include "gt/intel_sseu.h"
#include "i915_reg.h"
#include "intel_wakeref.h"
struct drm_i915_private;
struct file;
+struct i915_active;
struct i915_gem_context;
struct i915_perf;
struct i915_vma;
@@ -272,21 +274,10 @@ struct i915_perf_stream {
spinlock_t ptr_lock;
/**
- * @tails: One 'aging' tail pointer and one 'aged' tail pointer ready to
- * used for reading.
- *
- * Initial values of 0xffffffff are invalid and imply that an
- * update is required (and should be ignored by an attempted
- * read)
- */
- struct {
- u32 offset;
- } tails[2];
-
- /**
- * @aged_tail_idx: Index for the aged tail ready to read() data up to.
+ * @aging_tail: The last HW tail reported by HW. The data
+ * might not have made it to memory yet though.
*/
- unsigned int aged_tail_idx;
+ u32 aging_tail;
/**
* @aging_timestamp: A monotonic timestamp for when the current aging tail pointer
@@ -302,6 +293,11 @@ struct i915_perf_stream {
* OA buffer data to userspace.
*/
u32 head;
+
+ /**
+ * @tail: The last verified tail that can be read by userspace.
+ */
+ u32 tail;
} oa_buffer;
/**
@@ -309,6 +305,12 @@ struct i915_perf_stream {
* reprogrammed.
*/
struct i915_vma *noa_wait;
+
+ /**
+ * @poll_oa_period: The period in nanoseconds at which the OA
+ * buffer should be checked for available data.
+ */
+ u64 poll_oa_period;
};
/**
@@ -339,8 +341,8 @@ struct i915_oa_ops {
* counter reports being sampled. May apply system constraints such as
* disabling EU clock gating as required.
*/
- struct i915_request *
- (*enable_metric_set)(struct i915_perf_stream *stream);
+ int (*enable_metric_set)(struct i915_perf_stream *stream,
+ struct i915_active *active);
/**
* @disable_metric_set: Remove system constraints associated with using
@@ -408,12 +410,22 @@ struct i915_perf {
struct i915_perf_stream *exclusive_stream;
/**
+ * @sseu: sseu configuration selected to run while perf is active,
+ * applies to all contexts.
+ */
+ struct intel_sseu sseu;
+
+ /**
* For rate limiting any notifications of spurious
* invalid OA reports
*/
struct ratelimit_state spurious_report_rs;
- struct i915_oa_config test_config;
+ /**
+ * For rate limiting any notifications of tail pointer
+ * race.
+ */
+ struct ratelimit_state tail_pointer_race;
u32 gen7_latched_oastatus1;
u32 ctx_oactxctrl_offset;
diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 2c062534eac1..e991a707bdb7 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -439,29 +439,10 @@ static u64 count_interrupts(struct drm_i915_private *i915)
return sum;
}
-static void engine_event_destroy(struct perf_event *event)
-{
- struct drm_i915_private *i915 =
- container_of(event->pmu, typeof(*i915), pmu.base);
- struct intel_engine_cs *engine;
-
- engine = intel_engine_lookup_user(i915,
- engine_event_class(event),
- engine_event_instance(event));
- if (drm_WARN_ON_ONCE(&i915->drm, !engine))
- return;
-
- if (engine_event_sample(event) == I915_SAMPLE_BUSY &&
- intel_engine_supports_stats(engine))
- intel_disable_engine_stats(engine);
-}
-
static void i915_pmu_event_destroy(struct perf_event *event)
{
WARN_ON(event->parent);
-
- if (is_engine_event(event))
- engine_event_destroy(event);
+ module_put(THIS_MODULE);
}
static int
@@ -514,23 +495,13 @@ static int engine_event_init(struct perf_event *event)
struct drm_i915_private *i915 =
container_of(event->pmu, typeof(*i915), pmu.base);
struct intel_engine_cs *engine;
- u8 sample;
- int ret;
engine = intel_engine_lookup_user(i915, engine_event_class(event),
engine_event_instance(event));
if (!engine)
return -ENODEV;
- sample = engine_event_sample(event);
- ret = engine_event_status(engine, sample);
- if (ret)
- return ret;
-
- if (sample == I915_SAMPLE_BUSY && intel_engine_supports_stats(engine))
- ret = intel_enable_engine_stats(engine);
-
- return ret;
+ return engine_event_status(engine, engine_event_sample(event));
}
static int i915_pmu_event_init(struct perf_event *event)
@@ -563,8 +534,10 @@ static int i915_pmu_event_init(struct perf_event *event)
if (ret)
return ret;
- if (!event->parent)
+ if (!event->parent) {
+ __module_get(THIS_MODULE);
event->destroy = i915_pmu_event_destroy;
+ }
return 0;
}
@@ -1115,7 +1088,7 @@ void i915_pmu_register(struct drm_i915_private *i915)
int ret = -ENOMEM;
if (INTEL_GEN(i915) <= 2) {
- dev_info(i915->drm.dev, "PMU not supported for this GPU.");
+ drm_info(&i915->drm, "PMU not supported for this GPU.");
return;
}
@@ -1178,7 +1151,7 @@ err_name:
if (!is_igp(i915))
kfree(pmu->name);
err:
- dev_notice(i915->drm.dev, "Failed to register PMU!\n");
+ drm_notice(&i915->drm, "Failed to register PMU!\n");
}
void i915_pmu_unregister(struct drm_i915_private *i915)
diff --git a/drivers/gpu/drm/i915/i915_priolist_types.h b/drivers/gpu/drm/i915/i915_priolist_types.h
index 732aad148881..5003a71113cb 100644
--- a/drivers/gpu/drm/i915/i915_priolist_types.h
+++ b/drivers/gpu/drm/i915/i915_priolist_types.h
@@ -24,15 +24,12 @@ enum {
I915_PRIORITY_DISPLAY,
};
-#define I915_USER_PRIORITY_SHIFT 2
+#define I915_USER_PRIORITY_SHIFT 0
#define I915_USER_PRIORITY(x) ((x) << I915_USER_PRIORITY_SHIFT)
#define I915_PRIORITY_COUNT BIT(I915_USER_PRIORITY_SHIFT)
#define I915_PRIORITY_MASK (I915_PRIORITY_COUNT - 1)
-#define I915_PRIORITY_WAIT ((u8)BIT(0))
-#define I915_PRIORITY_NOSEMAPHORE ((u8)BIT(1))
-
/* Smallest priority value that cannot be bumped. */
#define I915_PRIORITY_INVALID (INT_MIN | (u8)I915_PRIORITY_MASK)
@@ -47,8 +44,6 @@ enum {
#define I915_PRIORITY_UNPREEMPTABLE INT_MAX
#define I915_PRIORITY_BARRIER INT_MAX
-#define __NO_PREEMPTION (I915_PRIORITY_WAIT)
-
struct i915_priolist {
struct list_head requests[I915_PRIORITY_COUNT];
struct rb_node node;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 59e64acc2c56..6c076a24eb82 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -34,8 +34,8 @@
* Follow the style described here for new macros, and while changing existing
* macros. Do **not** mass change existing definitions just to update the style.
*
- * Layout
- * ~~~~~~
+ * File Layout
+ * ~~~~~~~~~~~
*
* Keep helper macros near the top. For example, _PIPE() and friends.
*
@@ -561,6 +561,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
* Registers used only by the command parser
*/
#define BCS_SWCTRL _MMIO(0x22200)
+#define BCS_SRC_Y REG_BIT(0)
+#define BCS_DST_Y REG_BIT(1)
/* There are 16 GPR registers */
#define BCS_GPR(n) _MMIO(0x22600 + (n) * 8)
@@ -2555,6 +2557,14 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GEN10_PAT_INDEX(index) _MMIO(0x40e0 + (index) * 4)
#define GEN12_PAT_INDEX(index) _MMIO(0x4800 + (index) * 4)
#define BSD_HWS_PGA_GEN7 _MMIO(0x04180)
+#define GEN12_GFX_CCS_AUX_NV _MMIO(0x4208)
+#define GEN12_VD0_AUX_NV _MMIO(0x4218)
+#define GEN12_VD1_AUX_NV _MMIO(0x4228)
+#define GEN12_VD2_AUX_NV _MMIO(0x4298)
+#define GEN12_VD3_AUX_NV _MMIO(0x42A8)
+#define GEN12_VE0_AUX_NV _MMIO(0x4238)
+#define GEN12_VE1_AUX_NV _MMIO(0x42B8)
+#define AUX_INV REG_BIT(0)
#define BLT_HWS_PGA_GEN7 _MMIO(0x04280)
#define VEBOX_HWS_PGA_GEN7 _MMIO(0x04380)
#define RING_ACTHD(base) _MMIO((base) + 0x74)
@@ -2657,6 +2667,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define RING_DMA_FADD_UDW(base) _MMIO((base) + 0x60) /* gen8+ */
#define RING_INSTPM(base) _MMIO((base) + 0xc0)
#define RING_MI_MODE(base) _MMIO((base) + 0x9c)
+#define RING_CMD_BUF_CCTL(base) _MMIO((base) + 0x84)
#define INSTPS _MMIO(0x2070) /* 965+ only */
#define GEN4_INSTDONE1 _MMIO(0x207c) /* 965+ only, aka INSTDONE_2 on SNB */
#define ACTHD_I965 _MMIO(0x2074)
@@ -3094,6 +3105,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GT_BSD_CS_ERROR_INTERRUPT (1 << 15)
#define GT_BSD_USER_INTERRUPT (1 << 12)
#define GT_RENDER_L3_PARITY_ERROR_INTERRUPT_S1 (1 << 11) /* hsw+; rsvd on snb, ivb, vlv */
+#define GT_WAIT_SEMAPHORE_INTERRUPT REG_BIT(11) /* bdw+ */
#define GT_CONTEXT_SWITCH_INTERRUPT (1 << 8)
#define GT_RENDER_L3_PARITY_ERROR_INTERRUPT (1 << 5) /* !snb */
#define GT_RENDER_PIPECTL_NOTIFY_INTERRUPT (1 << 4)
@@ -4012,31 +4024,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GEN6_RP_STATE_LIMITS _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5994)
#define GEN6_RP_STATE_CAP _MMIO(MCHBAR_MIRROR_BASE_SNB + 0x5998)
#define BXT_RP_STATE_CAP _MMIO(0x138170)
-
-/*
- * Make these a multiple of magic 25 to avoid SNB (eg. Dell XPS
- * 8300) freezing up around GPU hangs. Looks as if even
- * scheduling/timer interrupts start misbehaving if the RPS
- * EI/thresholds are "bad", leading to a very sluggish or even
- * frozen machine.
- */
-#define INTERVAL_1_28_US(us) roundup(((us) * 100) >> 7, 25)
-#define INTERVAL_1_33_US(us) (((us) * 3) >> 2)
-#define INTERVAL_0_833_US(us) (((us) * 6) / 5)
-#define GT_INTERVAL_FROM_US(dev_priv, us) (INTEL_GEN(dev_priv) >= 9 ? \
- (IS_GEN9_LP(dev_priv) ? \
- INTERVAL_0_833_US(us) : \
- INTERVAL_1_33_US(us)) : \
- INTERVAL_1_28_US(us))
-
-#define INTERVAL_1_28_TO_US(interval) (((interval) << 7) / 100)
-#define INTERVAL_1_33_TO_US(interval) (((interval) << 2) / 3)
-#define INTERVAL_0_833_TO_US(interval) (((interval) * 5) / 6)
-#define GT_PM_INTERVAL_TO_US(dev_priv, interval) (INTEL_GEN(dev_priv) >= 9 ? \
- (IS_GEN9_LP(dev_priv) ? \
- INTERVAL_0_833_TO_US(interval) : \
- INTERVAL_1_33_TO_US(interval)) : \
- INTERVAL_1_28_TO_US(interval))
+#define GEN9_RP_STATE_LIMITS _MMIO(0x138148)
/*
* Logical Context regs
@@ -4324,6 +4312,96 @@ enum {
#define EXITLINE_MASK REG_GENMASK(12, 0)
#define EXITLINE_SHIFT 0
+/* VRR registers */
+#define _TRANS_VRR_CTL_A 0x60420
+#define _TRANS_VRR_CTL_B 0x61420
+#define _TRANS_VRR_CTL_C 0x62420
+#define _TRANS_VRR_CTL_D 0x63420
+#define TRANS_VRR_CTL(trans) _MMIO_TRANS2(trans, _TRANS_VRR_CTL_A)
+#define VRR_CTL_VRR_ENABLE REG_BIT(31)
+#define VRR_CTL_IGN_MAX_SHIFT REG_BIT(30)
+#define VRR_CTL_FLIP_LINE_EN REG_BIT(29)
+#define VRR_CTL_LINE_COUNT_MASK REG_GENMASK(10, 3)
+#define VRR_CTL_SW_FULLLINE_COUNT REG_BIT(0)
+
+#define _TRANS_VRR_VMAX_A 0x60424
+#define _TRANS_VRR_VMAX_B 0x61424
+#define _TRANS_VRR_VMAX_C 0x62424
+#define _TRANS_VRR_VMAX_D 0x63424
+#define TRANS_VRR_VMAX(trans) _MMIO_TRANS2(trans, _TRANS_VRR_VMAX_A)
+#define VRR_VMAX_MASK REG_GENMASK(19, 0)
+
+#define _TRANS_VRR_VMIN_A 0x60434
+#define _TRANS_VRR_VMIN_B 0x61434
+#define _TRANS_VRR_VMIN_C 0x62434
+#define _TRANS_VRR_VMIN_D 0x63434
+#define TRANS_VRR_VMIN(trans) _MMIO_TRANS2(trans, _TRANS_VRR_VMIN_A)
+#define VRR_VMIN_MASK REG_GENMASK(15, 0)
+
+#define _TRANS_VRR_VMAXSHIFT_A 0x60428
+#define _TRANS_VRR_VMAXSHIFT_B 0x61428
+#define _TRANS_VRR_VMAXSHIFT_C 0x62428
+#define _TRANS_VRR_VMAXSHIFT_D 0x63428
+#define TRANS_VRR_VMAXSHIFT(trans) _MMIO_TRANS2(trans, \
+ _TRANS_VRR_VMAXSHIFT_A)
+#define VRR_VMAXSHIFT_DEC_MASK REG_GENMASK(29, 16)
+#define VRR_VMAXSHIFT_DEC REG_BIT(16)
+#define VRR_VMAXSHIFT_INC_MASK REG_GENMASK(12, 0)
+
+#define _TRANS_VRR_STATUS_A 0x6042C
+#define _TRANS_VRR_STATUS_B 0x6142C
+#define _TRANS_VRR_STATUS_C 0x6242C
+#define _TRANS_VRR_STATUS_D 0x6342C
+#define TRANS_VRR_STATUS(trans) _MMIO_TRANS2(trans, _TRANS_VRR_STATUS_A)
+#define VRR_STATUS_VMAX_REACHED REG_BIT(31)
+#define VRR_STATUS_NOFLIP_TILL_BNDR REG_BIT(30)
+#define VRR_STATUS_FLIP_BEF_BNDR REG_BIT(29)
+#define VRR_STATUS_NO_FLIP_FRAME REG_BIT(28)
+#define VRR_STATUS_VRR_EN_LIVE REG_BIT(27)
+#define VRR_STATUS_FLIPS_SERVICED REG_BIT(26)
+#define VRR_STATUS_VBLANK_MASK REG_GENMASK(22, 20)
+#define STATUS_FSM_IDLE REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 0)
+#define STATUS_FSM_WAIT_TILL_FDB REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 1)
+#define STATUS_FSM_WAIT_TILL_FS REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 2)
+#define STATUS_FSM_WAIT_TILL_FLIP REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 3)
+#define STATUS_FSM_PIPELINE_FILL REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 4)
+#define STATUS_FSM_ACTIVE REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 5)
+#define STATUS_FSM_LEGACY_VBLANK REG_FIELD_PREP(VRR_STATUS_VBLANK_MASK, 6)
+
+#define _TRANS_VRR_VTOTAL_PREV_A 0x60480
+#define _TRANS_VRR_VTOTAL_PREV_B 0x61480
+#define _TRANS_VRR_VTOTAL_PREV_C 0x62480
+#define _TRANS_VRR_VTOTAL_PREV_D 0x63480
+#define TRANS_VRR_VTOTAL_PREV(trans) _MMIO_TRANS2(trans, \
+ _TRANS_VRR_VTOTAL_PREV_A)
+#define VRR_VTOTAL_FLIP_BEFR_BNDR REG_BIT(31)
+#define VRR_VTOTAL_FLIP_AFTER_BNDR REG_BIT(30)
+#define VRR_VTOTAL_FLIP_AFTER_DBLBUF REG_BIT(29)
+#define VRR_VTOTAL_PREV_FRAME_MASK REG_GENMASK(19, 0)
+
+#define _TRANS_VRR_FLIPLINE_A 0x60438
+#define _TRANS_VRR_FLIPLINE_B 0x61438
+#define _TRANS_VRR_FLIPLINE_C 0x62438
+#define _TRANS_VRR_FLIPLINE_D 0x63438
+#define TRANS_VRR_FLIPLINE(trans) _MMIO_TRANS2(trans, \
+ _TRANS_VRR_FLIPLINE_A)
+#define VRR_FLIPLINE_MASK REG_GENMASK(19, 0)
+
+#define _TRANS_VRR_STATUS2_A 0x6043C
+#define _TRANS_VRR_STATUS2_B 0x6143C
+#define _TRANS_VRR_STATUS2_C 0x6243C
+#define _TRANS_VRR_STATUS2_D 0x6343C
+#define TRANS_VRR_STATUS2(trans) _MMIO_TRANS2(trans, _TRANS_VRR_STATUS2_A)
+#define VRR_STATUS2_VERT_LN_CNT_MASK REG_GENMASK(19, 0)
+
+#define _TRANS_PUSH_A 0x60A70
+#define _TRANS_PUSH_B 0x61A70
+#define _TRANS_PUSH_C 0x62A70
+#define _TRANS_PUSH_D 0x63A70
+#define TRANS_PUSH(trans) _MMIO_TRANS2(trans, _TRANS_PUSH_A)
+#define TRANS_PUSH_EN REG_BIT(31)
+#define TRANS_PUSH_SEND REG_BIT(30)
+
/*
* HSW+ eDP PSR registers
*
@@ -6764,7 +6842,7 @@ enum {
#define PLANE_CTL_FORMAT_P012 (5 << 24)
#define PLANE_CTL_FORMAT_XRGB_16161616F (6 << 24)
#define PLANE_CTL_FORMAT_P016 (7 << 24)
-#define PLANE_CTL_FORMAT_AYUV (8 << 24)
+#define PLANE_CTL_FORMAT_XYUV (8 << 24)
#define PLANE_CTL_FORMAT_INDEXED (12 << 24)
#define PLANE_CTL_FORMAT_RGB_565 (14 << 24)
#define ICL_PLANE_CTL_FORMAT_MASK (0x1f << 23)
@@ -8503,6 +8581,7 @@ enum {
#define FDI_BC_BIFURCATION_SELECT (1 << 12)
#define CHASSIS_CLK_REQ_DURATION_MASK (0xf << 8)
#define CHASSIS_CLK_REQ_DURATION(x) ((x) << 8)
+#define SBCLK_RUN_REFCLK_DIS (1 << 7)
#define SPT_PWM_GRANULARITY (1 << 0)
#define SOUTH_CHICKEN2 _MMIO(0xc2004)
#define FDI_MPHY_IOSFSB_RESET_STATUS (1 << 13)
@@ -8994,6 +9073,7 @@ enum {
#define GEN7_PCODE_ILLEGAL_DATA 0x3
#define GEN11_PCODE_ILLEGAL_SUBCOMMAND 0x4
#define GEN11_PCODE_LOCKED 0x6
+#define GEN11_PCODE_REJECTED 0x11
#define GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE 0x10
#define GEN6_PCODE_WRITE_RC6VIDS 0x4
#define GEN6_PCODE_READ_RC6VIDS 0x5
@@ -9015,10 +9095,18 @@ enum {
#define ICL_PCODE_MEM_SUBSYSYSTEM_INFO 0xd
#define ICL_PCODE_MEM_SS_READ_GLOBAL_INFO (0x0 << 8)
#define ICL_PCODE_MEM_SS_READ_QGV_POINT_INFO(point) (((point) << 16) | (0x1 << 8))
+#define ICL_PCODE_SAGV_DE_MEM_SS_CONFIG 0xe
+#define ICL_PCODE_POINTS_RESTRICTED 0x0
+#define ICL_PCODE_POINTS_RESTRICTED_MASK 0x1
#define GEN6_PCODE_READ_D_COMP 0x10
#define GEN6_PCODE_WRITE_D_COMP 0x11
+#define ICL_PCODE_EXIT_TCCOLD 0x12
#define HSW_PCODE_DE_WRITE_FREQ_REQ 0x17
#define DISPLAY_IPS_CONTROL 0x19
+#define TGL_PCODE_TCCOLD 0x26
+#define TGL_PCODE_EXIT_TCCOLD_DATA_L_EXIT_FAILED REG_BIT(0)
+#define TGL_PCODE_EXIT_TCCOLD_DATA_H_BLOCK_REQ 0
+#define TGL_PCODE_EXIT_TCCOLD_DATA_H_UNBLOCK_REQ REG_BIT(0)
/* See also IPS_CTL */
#define IPS_PCODE_CONTROL (1 << 30)
#define HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL 0x1A
@@ -9305,6 +9393,22 @@ enum {
#define AUD_PIN_BUF_CTL _MMIO(0x48414)
#define AUD_PIN_BUF_ENABLE REG_BIT(31)
+/* Display Audio Config Reg */
+#define AUD_CONFIG_BE _MMIO(0x65ef0)
+#define HBLANK_EARLY_ENABLE_ICL(pipe) (0x1 << (20 - (pipe)))
+#define HBLANK_EARLY_ENABLE_TGL(pipe) (0x1 << (24 + (pipe)))
+#define HBLANK_START_COUNT_MASK(pipe) (0x7 << (3 + ((pipe) * 6)))
+#define HBLANK_START_COUNT(pipe, val) (((val) & 0x7) << (3 + ((pipe)) * 6))
+#define NUMBER_SAMPLES_PER_LINE_MASK(pipe) (0x3 << ((pipe) * 6))
+#define NUMBER_SAMPLES_PER_LINE(pipe, val) (((val) & 0x3) << ((pipe) * 6))
+
+#define HBLANK_START_COUNT_8 0
+#define HBLANK_START_COUNT_16 1
+#define HBLANK_START_COUNT_32 2
+#define HBLANK_START_COUNT_64 3
+#define HBLANK_START_COUNT_96 4
+#define HBLANK_START_COUNT_128 5
+
/*
* HSW - ICL power wells
*
@@ -9700,8 +9804,11 @@ enum skl_power_gate {
#define TRANS_DDI_BPC_10 (1 << 20)
#define TRANS_DDI_BPC_6 (2 << 20)
#define TRANS_DDI_BPC_12 (3 << 20)
+#define TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK REG_GENMASK(19, 18) /* bdw-cnl */
+#define TRANS_DDI_PORT_SYNC_MASTER_SELECT(x) REG_FIELD_PREP(TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK, (x))
#define TRANS_DDI_PVSYNC (1 << 17)
#define TRANS_DDI_PHSYNC (1 << 16)
+#define TRANS_DDI_PORT_SYNC_ENABLE REG_BIT(15) /* bdw-cnl */
#define TRANS_DDI_EDP_INPUT_MASK (7 << 12)
#define TRANS_DDI_EDP_INPUT_A_ON (0 << 12)
#define TRANS_DDI_EDP_INPUT_A_ONOFF (4 << 12)
@@ -9728,12 +9835,10 @@ enum skl_power_gate {
#define _TRANS_DDI_FUNC_CTL2_EDP 0x6f404
#define _TRANS_DDI_FUNC_CTL2_DSI0 0x6b404
#define _TRANS_DDI_FUNC_CTL2_DSI1 0x6bc04
-#define TRANS_DDI_FUNC_CTL2(tran) _MMIO_TRANS2(tran, \
- _TRANS_DDI_FUNC_CTL2_A)
-#define PORT_SYNC_MODE_ENABLE (1 << 4)
-#define PORT_SYNC_MODE_MASTER_SELECT(x) ((x) << 0)
-#define PORT_SYNC_MODE_MASTER_SELECT_MASK (0x7 << 0)
-#define PORT_SYNC_MODE_MASTER_SELECT_SHIFT 0
+#define TRANS_DDI_FUNC_CTL2(tran) _MMIO_TRANS2(tran, _TRANS_DDI_FUNC_CTL2_A)
+#define PORT_SYNC_MODE_ENABLE REG_BIT(4)
+#define PORT_SYNC_MODE_MASTER_SELECT_MASK REG_GENMASK(2, 0)
+#define PORT_SYNC_MODE_MASTER_SELECT(x) REG_FIELD_PREP(PORT_SYNC_MODE_MASTER_SELECT_MASK, (x))
/* DisplayPort Transport Control */
#define _DP_TP_CTL_A 0x64040
@@ -9794,6 +9899,24 @@ enum skl_power_gate {
#define DDI_BUF_BALANCE_LEG_ENABLE (1 << 31)
#define DDI_BUF_TRANS_HI(port, i) _MMIO(_PORT(port, _DDI_BUF_TRANS_A, _DDI_BUF_TRANS_B) + (i) * 8 + 4)
+/* DDI DP Compliance Control */
+#define _DDI_DP_COMP_CTL_A 0x605F0
+#define _DDI_DP_COMP_CTL_B 0x615F0
+#define DDI_DP_COMP_CTL(pipe) _MMIO_PIPE(pipe, _DDI_DP_COMP_CTL_A, _DDI_DP_COMP_CTL_B)
+#define DDI_DP_COMP_CTL_ENABLE (1 << 31)
+#define DDI_DP_COMP_CTL_D10_2 (0 << 28)
+#define DDI_DP_COMP_CTL_SCRAMBLED_0 (1 << 28)
+#define DDI_DP_COMP_CTL_PRBS7 (2 << 28)
+#define DDI_DP_COMP_CTL_CUSTOM80 (3 << 28)
+#define DDI_DP_COMP_CTL_HBR2 (4 << 28)
+#define DDI_DP_COMP_CTL_SCRAMBLED_1 (5 << 28)
+#define DDI_DP_COMP_CTL_HBR2_RESET (0xFC << 0)
+
+/* DDI DP Compliance Pattern */
+#define _DDI_DP_COMP_PAT_A 0x605F4
+#define _DDI_DP_COMP_PAT_B 0x615F4
+#define DDI_DP_COMP_PAT(pipe, i) _MMIO(_PIPE(pipe, _DDI_DP_COMP_PAT_A, _DDI_DP_COMP_PAT_B) + (i) * 4)
+
/* Sideband Interface (SBI) is programmed indirectly, via
* SBI_ADDR, which contains the register offset; and SBI_DATA,
* which contains the payload */
@@ -10741,6 +10864,12 @@ enum skl_power_gate {
#define _PAL_PREC_MULTI_SEG_DATA_A 0x4A40C
#define _PAL_PREC_MULTI_SEG_DATA_B 0x4AC0C
+#define PAL_PREC_MULTI_SEG_RED_LDW_MASK REG_GENMASK(29, 24)
+#define PAL_PREC_MULTI_SEG_RED_UDW_MASK REG_GENMASK(29, 20)
+#define PAL_PREC_MULTI_SEG_GREEN_LDW_MASK REG_GENMASK(19, 14)
+#define PAL_PREC_MULTI_SEG_GREEN_UDW_MASK REG_GENMASK(19, 10)
+#define PAL_PREC_MULTI_SEG_BLUE_LDW_MASK REG_GENMASK(9, 4)
+#define PAL_PREC_MULTI_SEG_BLUE_UDW_MASK REG_GENMASK(9, 0)
#define PREC_PAL_MULTI_SEG_INDEX(pipe) _MMIO_PIPE(pipe, \
_PAL_PREC_MULTI_SEG_INDEX_A, \
diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index c0df71d7d0ff..526c1e9acbd5 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -23,6 +23,7 @@
*/
#include <linux/dma-fence-array.h>
+#include <linux/dma-fence-chain.h>
#include <linux/irq_work.h>
#include <linux/prefetch.h>
#include <linux/sched.h>
@@ -101,6 +102,11 @@ static signed long i915_fence_wait(struct dma_fence *fence,
timeout);
}
+struct kmem_cache *i915_request_slab_cache(void)
+{
+ return global.slab_requests;
+}
+
static void i915_fence_release(struct dma_fence *fence)
{
struct i915_request *rq = to_request(fence);
@@ -115,6 +121,10 @@ static void i915_fence_release(struct dma_fence *fence)
i915_sw_fence_fini(&rq->submit);
i915_sw_fence_fini(&rq->semaphore);
+ /* Keep one request on each engine for reserved use under mempressure */
+ if (!cmpxchg(&rq->engine->request_pool, NULL, rq))
+ return;
+
kmem_cache_free(global.slab_requests, rq);
}
@@ -358,8 +368,6 @@ __await_execution(struct i915_request *rq,
}
spin_unlock_irq(&signal->lock);
- /* Copy across semaphore status as we need the same behaviour */
- rq->sched.flags |= signal->sched.flags;
return 0;
}
@@ -527,10 +535,8 @@ void __i915_request_unsubmit(struct i915_request *request)
spin_unlock(&request->lock);
/* We've already spun, don't charge on resubmitting. */
- if (request->sched.semaphores && i915_request_started(request)) {
- request->sched.attr.priority |= I915_PRIORITY_NOSEMAPHORE;
+ if (request->sched.semaphores && i915_request_started(request))
request->sched.semaphores = 0;
- }
/*
* We don't need to wake_up any waiters on request->execute, they
@@ -588,15 +594,6 @@ submit_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
return NOTIFY_DONE;
}
-static void irq_semaphore_cb(struct irq_work *wrk)
-{
- struct i915_request *rq =
- container_of(wrk, typeof(*rq), semaphore_work);
-
- i915_schedule_bump_priority(rq, I915_PRIORITY_NOSEMAPHORE);
- i915_request_put(rq);
-}
-
static int __i915_sw_fence_call
semaphore_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
{
@@ -604,11 +601,6 @@ semaphore_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
switch (state) {
case FENCE_COMPLETE:
- if (!(READ_ONCE(rq->sched.attr.priority) & I915_PRIORITY_NOSEMAPHORE)) {
- i915_request_get(rq);
- init_irq_work(&rq->semaphore_work, irq_semaphore_cb);
- irq_work_queue(&rq->semaphore_work);
- }
break;
case FENCE_FREE:
@@ -629,14 +621,22 @@ static void retire_requests(struct intel_timeline *tl)
}
static noinline struct i915_request *
-request_alloc_slow(struct intel_timeline *tl, gfp_t gfp)
+request_alloc_slow(struct intel_timeline *tl,
+ struct i915_request **rsvd,
+ gfp_t gfp)
{
struct i915_request *rq;
- if (list_empty(&tl->requests))
- goto out;
+ /* If we cannot wait, dip into our reserves */
+ if (!gfpflags_allow_blocking(gfp)) {
+ rq = xchg(rsvd, NULL);
+ if (!rq) /* Use the normal failure path for one final WARN */
+ goto out;
- if (!gfpflags_allow_blocking(gfp))
+ return rq;
+ }
+
+ if (list_empty(&tl->requests))
goto out;
/* Move our oldest request to the slab-cache (if not in use!) */
@@ -721,7 +721,7 @@ __i915_request_create(struct intel_context *ce, gfp_t gfp)
rq = kmem_cache_alloc(global.slab_requests,
gfp | __GFP_RETRY_MAYFAIL | __GFP_NOWARN);
if (unlikely(!rq)) {
- rq = request_alloc_slow(tl, gfp);
+ rq = request_alloc_slow(tl, &ce->engine->request_pool, gfp);
if (!rq) {
ret = -ENOMEM;
goto err_unreserve;
@@ -933,6 +933,7 @@ __emit_semaphore_wait(struct i915_request *to,
u32 *cs;
GEM_BUG_ON(INTEL_GEN(to->i915) < 8);
+ GEM_BUG_ON(i915_request_has_initial_breadcrumb(to));
/* We need to pin the signaler's HWSP until we are finished reading. */
err = intel_timeline_read_hwsp(from, to, &hwsp_offset);
@@ -978,13 +979,26 @@ emit_semaphore_wait(struct i915_request *to,
gfp_t gfp)
{
const intel_engine_mask_t mask = READ_ONCE(from->engine)->mask;
+ struct i915_sw_fence *wait = &to->submit;
if (!intel_context_use_semaphores(to->context))
goto await_fence;
+ if (i915_request_has_initial_breadcrumb(to))
+ goto await_fence;
+
if (!rcu_access_pointer(from->hwsp_cacheline))
goto await_fence;
+ /*
+ * If this or its dependents are waiting on an external fence
+ * that may fail catastrophically, then we want to avoid using
+ * sempahores as they bypass the fence signaling metadata, and we
+ * lose the fence->error propagation.
+ */
+ if (from->sched.flags & I915_SCHED_HAS_EXTERNAL_CHAIN)
+ goto await_fence;
+
/* Just emit the first semaphore we see as request space is limited. */
if (already_busywaiting(to) & mask)
goto await_fence;
@@ -1000,11 +1014,10 @@ emit_semaphore_wait(struct i915_request *to,
goto await_fence;
to->sched.semaphores |= mask;
- to->sched.flags |= I915_SCHED_HAS_SEMAPHORE_CHAIN;
- return 0;
+ wait = &to->semaphore;
await_fence:
- return i915_sw_fence_await_dma_fence(&to->submit,
+ return i915_sw_fence_await_dma_fence(wait,
&from->fence, 0,
I915_FENCE_GFP);
}
@@ -1017,11 +1030,15 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
GEM_BUG_ON(to == from);
GEM_BUG_ON(to->timeline == from->timeline);
- if (i915_request_completed(from))
+ if (i915_request_completed(from)) {
+ i915_sw_fence_set_error_once(&to->submit, from->fence.error);
return 0;
+ }
if (to->engine->schedule) {
- ret = i915_sched_node_add_dependency(&to->sched, &from->sched);
+ ret = i915_sched_node_add_dependency(&to->sched,
+ &from->sched,
+ I915_DEPENDENCY_EXTERNAL);
if (ret < 0)
return ret;
}
@@ -1035,15 +1052,56 @@ i915_request_await_request(struct i915_request *to, struct i915_request *from)
if (ret < 0)
return ret;
- if (to->sched.flags & I915_SCHED_HAS_SEMAPHORE_CHAIN) {
- ret = i915_sw_fence_await_dma_fence(&to->semaphore,
- &from->fence, 0,
- I915_FENCE_GFP);
- if (ret < 0)
- return ret;
+ return 0;
+}
+
+static void mark_external(struct i915_request *rq)
+{
+ /*
+ * The downside of using semaphores is that we lose metadata passing
+ * along the signaling chain. This is particularly nasty when we
+ * need to pass along a fatal error such as EFAULT or EDEADLK. For
+ * fatal errors we want to scrub the request before it is executed,
+ * which means that we cannot preload the request onto HW and have
+ * it wait upon a semaphore.
+ */
+ rq->sched.flags |= I915_SCHED_HAS_EXTERNAL_CHAIN;
+}
+
+static int
+__i915_request_await_external(struct i915_request *rq, struct dma_fence *fence)
+{
+ mark_external(rq);
+ return i915_sw_fence_await_dma_fence(&rq->submit, fence,
+ i915_fence_context_timeout(rq->i915,
+ fence->context),
+ I915_FENCE_GFP);
+}
+
+static int
+i915_request_await_external(struct i915_request *rq, struct dma_fence *fence)
+{
+ struct dma_fence *iter;
+ int err = 0;
+
+ if (!to_dma_fence_chain(fence))
+ return __i915_request_await_external(rq, fence);
+
+ dma_fence_chain_for_each(iter, fence) {
+ struct dma_fence_chain *chain = to_dma_fence_chain(iter);
+
+ if (!dma_fence_is_i915(chain->fence)) {
+ err = __i915_request_await_external(rq, iter);
+ break;
+ }
+
+ err = i915_request_await_dma_fence(rq, chain->fence);
+ if (err < 0)
+ break;
}
- return 0;
+ dma_fence_put(iter);
+ return err;
}
int
@@ -1093,9 +1151,7 @@ i915_request_await_dma_fence(struct i915_request *rq, struct dma_fence *fence)
if (dma_fence_is_i915(fence))
ret = i915_request_await_request(rq, to_request(fence));
else
- ret = i915_sw_fence_await_dma_fence(&rq->submit, fence,
- fence->context ? I915_FENCE_TIMEOUT : 0,
- I915_FENCE_GFP);
+ ret = i915_request_await_external(rq, fence);
if (ret < 0)
return ret;
@@ -1175,7 +1231,8 @@ __i915_request_await_execution(struct i915_request *to,
* immediate execution, and so we must wait until it reaches the
* active slot.
*/
- if (intel_engine_has_semaphores(to->engine)) {
+ if (intel_engine_has_semaphores(to->engine) &&
+ !i915_request_has_initial_breadcrumb(to)) {
err = __emit_semaphore_wait(to, from, from->fence.seqno - 1);
if (err < 0)
return err;
@@ -1183,7 +1240,9 @@ __i915_request_await_execution(struct i915_request *to,
/* Couple the dependency tree for PI on this exposed to->fence */
if (to->engine->schedule) {
- err = i915_sched_node_add_dependency(&to->sched, &from->sched);
+ err = i915_sched_node_add_dependency(&to->sched,
+ &from->sched,
+ I915_DEPENDENCY_WEAK);
if (err < 0)
return err;
}
@@ -1219,6 +1278,9 @@ i915_request_await_execution(struct i915_request *rq,
continue;
}
+ if (fence->context == rq->fence.context)
+ continue;
+
/*
* We don't squash repeated fence dependencies here as we
* want to run our callback in all cases.
@@ -1229,9 +1291,7 @@ i915_request_await_execution(struct i915_request *rq,
to_request(fence),
hook);
else
- ret = i915_sw_fence_await_dma_fence(&rq->submit, fence,
- I915_FENCE_TIMEOUT,
- GFP_KERNEL);
+ ret = i915_request_await_external(rq, fence);
if (ret < 0)
return ret;
} while (--nchild);
@@ -1439,14 +1499,7 @@ void i915_request_add(struct i915_request *rq)
attr = ctx->sched;
rcu_read_unlock();
- if (!(rq->sched.flags & I915_SCHED_HAS_SEMAPHORE_CHAIN))
- attr.priority |= I915_PRIORITY_NOSEMAPHORE;
- if (list_empty(&rq->sched.signalers_list))
- attr.priority |= I915_PRIORITY_WAIT;
-
- local_bh_disable();
__i915_request_queue(rq, &attr);
- local_bh_enable(); /* Kick the execlists tasklet if just scheduled */
mutex_unlock(&tl->mutex);
}
@@ -1630,7 +1683,6 @@ long i915_request_wait(struct i915_request *rq,
if (flags & I915_WAIT_PRIORITY) {
if (!i915_request_started(rq) && INTEL_GEN(rq->i915) >= 6)
intel_rps_boost(rq);
- i915_schedule_bump_priority(rq, I915_PRIORITY_WAIT);
}
wait.tsk = current;
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h
index 3c552bfea67a..8ec7ee4dbadc 100644
--- a/drivers/gpu/drm/i915/i915_request.h
+++ b/drivers/gpu/drm/i915/i915_request.h
@@ -84,19 +84,26 @@ enum {
I915_FENCE_FLAG_PQUEUE,
/*
- * I915_FENCE_FLAG_SIGNAL - this request is currently on signal_list
+ * I915_FENCE_FLAG_HOLD - this request is currently on hold
*
- * Internal bookkeeping used by the breadcrumb code to track when
- * a request is on the various signal_list.
+ * This request has been suspended, pending an ongoing investigation.
*/
- I915_FENCE_FLAG_SIGNAL,
+ I915_FENCE_FLAG_HOLD,
/*
- * I915_FENCE_FLAG_HOLD - this request is currently on hold
+ * I915_FENCE_FLAG_INITIAL_BREADCRUMB - this request has the initial
+ * breadcrumb that marks the end of semaphore waits and start of the
+ * user payload.
+ */
+ I915_FENCE_FLAG_INITIAL_BREADCRUMB,
+
+ /*
+ * I915_FENCE_FLAG_SIGNAL - this request is currently on signal_list
*
- * This request has been suspended, pending an ongoing investigation.
+ * Internal bookkeeping used by the breadcrumb code to track when
+ * a request is on the various signal_list.
*/
- I915_FENCE_FLAG_HOLD,
+ I915_FENCE_FLAG_SIGNAL,
/*
* I915_FENCE_FLAG_NOPREEMPT - this request should not be preempted
@@ -209,7 +216,6 @@ struct i915_request {
};
struct list_head execute_cb;
struct i915_sw_fence semaphore;
- struct irq_work semaphore_work;
/*
* A list of everyone we wait upon, and everyone who waits upon us.
@@ -300,6 +306,8 @@ static inline bool dma_fence_is_i915(const struct dma_fence *fence)
return fence->ops == &i915_fence_ops;
}
+struct kmem_cache *i915_request_slab_cache(void);
+
struct i915_request * __must_check
__i915_request_create(struct intel_context *ce, gfp_t gfp);
struct i915_request * __must_check
@@ -388,6 +396,12 @@ static inline bool i915_request_in_priority_queue(const struct i915_request *rq)
return test_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
}
+static inline bool
+i915_request_has_initial_breadcrumb(const struct i915_request *rq)
+{
+ return test_bit(I915_FENCE_FLAG_INITIAL_BREADCRUMB, &rq->fence.flags);
+}
+
/**
* Returns true if seq1 is later than seq2.
*/
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c
index 68b06a7ba667..f4ea318781f0 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -51,11 +51,11 @@ static void assert_priolists(struct intel_engine_execlists * const execlists)
GEM_BUG_ON(rb_first_cached(&execlists->queue) !=
rb_first(&execlists->queue.rb_root));
- last_prio = (INT_MAX >> I915_USER_PRIORITY_SHIFT) + 1;
+ last_prio = INT_MAX;
for (rb = rb_first_cached(&execlists->queue); rb; rb = rb_next(rb)) {
const struct i915_priolist *p = to_priolist(rb);
- GEM_BUG_ON(p->priority >= last_prio);
+ GEM_BUG_ON(p->priority > last_prio);
last_prio = p->priority;
GEM_BUG_ON(!p->used);
@@ -174,7 +174,7 @@ sched_lock_engine(const struct i915_sched_node *node,
static inline int rq_prio(const struct i915_request *rq)
{
- return rq->sched.attr.priority | __NO_PREEMPTION;
+ return rq->sched.attr.priority;
}
static inline bool need_preempt(int prio, int active)
@@ -209,6 +209,12 @@ static void kick_submission(struct intel_engine_cs *engine,
if (!inflight)
goto unlock;
+ ENGINE_TRACE(engine,
+ "bumping queue-priority-hint:%d for rq:%llx:%lld, inflight:%llx:%lld prio %d\n",
+ prio,
+ rq->fence.context, rq->fence.seqno,
+ inflight->fence.context, inflight->fence.seqno,
+ inflight->sched.attr.priority);
engine->execlists.queue_priority_hint = prio;
/*
@@ -428,25 +434,12 @@ bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
dep->waiter = node;
dep->flags = flags;
- /* Keep track of whether anyone on this chain has a semaphore */
- if (signal->flags & I915_SCHED_HAS_SEMAPHORE_CHAIN &&
- !node_started(signal))
- node->flags |= I915_SCHED_HAS_SEMAPHORE_CHAIN;
-
/* All set, now publish. Beware the lockless walkers. */
list_add_rcu(&dep->signal_link, &node->signalers_list);
list_add_rcu(&dep->wait_link, &signal->waiters_list);
- /*
- * As we do not allow WAIT to preempt inflight requests,
- * once we have executed a request, along with triggering
- * any execution callbacks, we must preserve its ordering
- * within the non-preemptible FIFO.
- */
- BUILD_BUG_ON(__NO_PREEMPTION & ~I915_PRIORITY_MASK);
- if (flags & I915_DEPENDENCY_EXTERNAL)
- __bump_priority(signal, __NO_PREEMPTION);
-
+ /* Propagate the chains */
+ node->flags |= signal->flags;
ret = true;
}
@@ -456,7 +449,8 @@ bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
}
int i915_sched_node_add_dependency(struct i915_sched_node *node,
- struct i915_sched_node *signal)
+ struct i915_sched_node *signal,
+ unsigned long flags)
{
struct i915_dependency *dep;
@@ -464,11 +458,14 @@ int i915_sched_node_add_dependency(struct i915_sched_node *node,
if (!dep)
return -ENOMEM;
+ local_bh_disable();
+
if (!__i915_sched_node_add_dependency(node, signal, dep,
- I915_DEPENDENCY_EXTERNAL |
- I915_DEPENDENCY_ALLOC))
+ flags | I915_DEPENDENCY_ALLOC))
i915_dependency_free(dep);
+ local_bh_enable(); /* kick submission tasklet */
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/i915_scheduler.h b/drivers/gpu/drm/i915/i915_scheduler.h
index d1dc4efef77b..6f0bf00fc569 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.h
+++ b/drivers/gpu/drm/i915/i915_scheduler.h
@@ -34,7 +34,8 @@ bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
unsigned long flags);
int i915_sched_node_add_dependency(struct i915_sched_node *node,
- struct i915_sched_node *signal);
+ struct i915_sched_node *signal,
+ unsigned long flags);
void i915_sched_node_fini(struct i915_sched_node *node);
diff --git a/drivers/gpu/drm/i915/i915_scheduler_types.h b/drivers/gpu/drm/i915/i915_scheduler_types.h
index d18e70550054..f72e6c397b08 100644
--- a/drivers/gpu/drm/i915/i915_scheduler_types.h
+++ b/drivers/gpu/drm/i915/i915_scheduler_types.h
@@ -65,7 +65,7 @@ struct i915_sched_node {
struct list_head link;
struct i915_sched_attr attr;
unsigned int flags;
-#define I915_SCHED_HAS_SEMAPHORE_CHAIN BIT(0)
+#define I915_SCHED_HAS_EXTERNAL_CHAIN BIT(0)
intel_engine_mask_t semaphores;
};
@@ -78,6 +78,7 @@ struct i915_dependency {
unsigned long flags;
#define I915_DEPENDENCY_ALLOC BIT(0)
#define I915_DEPENDENCY_EXTERNAL BIT(1)
+#define I915_DEPENDENCY_WEAK BIT(2)
};
#endif /* _I915_SCHEDULER_TYPES_H_ */
diff --git a/drivers/gpu/drm/i915/i915_selftest.h b/drivers/gpu/drm/i915/i915_selftest.h
index 98bcb6fa0ab4..d53d207ab6eb 100644
--- a/drivers/gpu/drm/i915/i915_selftest.h
+++ b/drivers/gpu/drm/i915/i915_selftest.h
@@ -133,4 +133,6 @@ bool __igt_timeout(unsigned long timeout, const char *fmt, ...);
#define igt_timeout(t, fmt, ...) \
__igt_timeout((t), KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+void igt_hexdump(const void *buf, size_t len);
+
#endif /* !__I915_SELFTEST_H__ */
diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index a3d38e089b6e..295b9829e2da 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -421,7 +421,7 @@ static void timer_i915_sw_fence_wake(struct timer_list *t)
if (!fence)
return;
- pr_notice("Asynchronous wait on fence %s:%s:%llx timed out (hint:%pS)\n",
+ pr_notice("Asynchronous wait on fence %s:%s:%llx timed out (hint:%ps)\n",
cb->dma->ops->get_driver_name(cb->dma),
cb->dma->ops->get_timeline_name(cb->dma),
cb->dma->seqno,
@@ -546,13 +546,11 @@ int __i915_sw_fence_await_dma_fence(struct i915_sw_fence *fence,
cb->fence = fence;
i915_sw_fence_await(fence);
- ret = dma_fence_add_callback(dma, &cb->base, __dma_i915_sw_fence_wake);
- if (ret == 0) {
- ret = 1;
- } else {
+ ret = 1;
+ if (dma_fence_add_callback(dma, &cb->base, __dma_i915_sw_fence_wake)) {
+ /* fence already signaled */
__dma_i915_sw_fence_wake(dma, &cb->base);
- if (ret == -ENOENT) /* fence already signaled */
- ret = 0;
+ ret = 0;
}
return ret;
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.c b/drivers/gpu/drm/i915/i915_sw_fence_work.c
index 997b2998f1f2..a3a81bb8f2c3 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.c
@@ -38,7 +38,10 @@ fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
if (!f->dma.error) {
dma_fence_get(&f->dma);
- queue_work(system_unbound_wq, &f->work);
+ if (test_bit(DMA_FENCE_WORK_IMM, &f->dma.flags))
+ fence_work(&f->work);
+ else
+ queue_work(system_unbound_wq, &f->work);
} else {
fence_complete(f);
}
diff --git a/drivers/gpu/drm/i915/i915_sw_fence_work.h b/drivers/gpu/drm/i915/i915_sw_fence_work.h
index 3a22b287e201..2c409f11c5c5 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence_work.h
+++ b/drivers/gpu/drm/i915/i915_sw_fence_work.h
@@ -32,6 +32,10 @@ struct dma_fence_work {
const struct dma_fence_work_ops *ops;
};
+enum {
+ DMA_FENCE_WORK_IMM = DMA_FENCE_FLAG_USER_BITS,
+};
+
void dma_fence_work_init(struct dma_fence_work *f,
const struct dma_fence_work_ops *ops);
int dma_fence_work_chain(struct dma_fence_work *f, struct dma_fence *signal);
@@ -41,4 +45,23 @@ static inline void dma_fence_work_commit(struct dma_fence_work *f)
i915_sw_fence_commit(&f->chain);
}
+/**
+ * dma_fence_work_commit_imm: Commit the fence, and if possible execute locally.
+ * @f: the fenced worker
+ *
+ * Instead of always scheduling a worker to execute the callback (see
+ * dma_fence_work_commit()), we try to execute the callback immediately in
+ * the local context. It is required that the fence be committed before it
+ * is published, and that no other threads try to tamper with the number
+ * of asynchronous waits on the fence (or else the callback will be
+ * executed in the wrong context, i.e. not the callers).
+ */
+static inline void dma_fence_work_commit_imm(struct dma_fence_work *f)
+{
+ if (atomic_read(&f->chain.pending) <= 1)
+ __set_bit(DMA_FENCE_WORK_IMM, &f->dma.flags);
+
+ dma_fence_work_commit(f);
+}
+
#endif /* I915_SW_FENCE_WORK_H */
diff --git a/drivers/gpu/drm/i915/i915_switcheroo.c b/drivers/gpu/drm/i915/i915_switcheroo.c
index ed69b5d4a375..b3a24eac21f1 100644
--- a/drivers/gpu/drm/i915/i915_switcheroo.c
+++ b/drivers/gpu/drm/i915/i915_switcheroo.c
@@ -20,14 +20,14 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev,
}
if (state == VGA_SWITCHEROO_ON) {
- pr_info("switched on\n");
+ drm_info(&i915->drm, "switched on\n");
i915->drm.switch_power_state = DRM_SWITCH_POWER_CHANGING;
/* i915 resume handler doesn't set to D0 */
pci_set_power_state(pdev, PCI_D0);
i915_resume_switcheroo(i915);
i915->drm.switch_power_state = DRM_SWITCH_POWER_ON;
} else {
- pr_info("switched off\n");
+ drm_info(&i915->drm, "switched off\n");
i915->drm.switch_power_state = DRM_SWITCH_POWER_CHANGING;
i915_suspend_switcheroo(i915, pmm);
i915->drm.switch_power_state = DRM_SWITCH_POWER_OFF;
diff --git a/drivers/gpu/drm/i915/i915_utils.c b/drivers/gpu/drm/i915/i915_utils.c
index 029854ae65fc..e28eae4a8f70 100644
--- a/drivers/gpu/drm/i915/i915_utils.c
+++ b/drivers/gpu/drm/i915/i915_utils.c
@@ -101,5 +101,6 @@ void set_timer_ms(struct timer_list *t, unsigned long timeout)
*/
barrier();
- mod_timer(t, jiffies + timeout);
+ /* Keep t->expires = 0 reserved to indicate a canceled timer. */
+ mod_timer(t, jiffies + timeout ?: 1);
}
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 08699fa069aa..fc14ebf9a0b7 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -158,16 +158,18 @@ vma_create(struct drm_i915_gem_object *obj,
GEM_BUG_ON(!IS_ALIGNED(vma->size, I915_GTT_PAGE_SIZE));
+ spin_lock(&obj->vma.lock);
+
if (i915_is_ggtt(vm)) {
if (unlikely(overflows_type(vma->size, u32)))
- goto err_vma;
+ goto err_unlock;
vma->fence_size = i915_gem_fence_size(vm->i915, vma->size,
i915_gem_object_get_tiling(obj),
i915_gem_object_get_stride(obj));
if (unlikely(vma->fence_size < vma->size || /* overflow */
vma->fence_size > vm->total))
- goto err_vma;
+ goto err_unlock;
GEM_BUG_ON(!IS_ALIGNED(vma->fence_size, I915_GTT_MIN_ALIGNMENT));
@@ -179,8 +181,6 @@ vma_create(struct drm_i915_gem_object *obj,
__set_bit(I915_VMA_GGTT_BIT, __i915_vma_flags(vma));
}
- spin_lock(&obj->vma.lock);
-
rb = NULL;
p = &obj->vma.tree.rb_node;
while (*p) {
@@ -225,6 +225,8 @@ vma_create(struct drm_i915_gem_object *obj,
return vma;
+err_unlock:
+ spin_unlock(&obj->vma.lock);
err_vma:
i915_vma_free(vma);
return ERR_PTR(-E2BIG);
@@ -520,7 +522,6 @@ void i915_vma_unpin_and_release(struct i915_vma **p_vma, unsigned int flags)
GEM_BUG_ON(!obj);
i915_vma_unpin(vma);
- i915_vma_close(vma);
if (flags & I915_VMA_RELEASE_MAP)
i915_gem_object_unpin_map(obj);
@@ -608,18 +609,6 @@ bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long color)
return true;
}
-static void assert_bind_count(const struct drm_i915_gem_object *obj)
-{
- /*
- * Combine the assertion that the object is bound and that we have
- * pinned its pages. But we should never have bound the object
- * more than we have pinned its pages. (For complete accuracy, we
- * assume that no else is pinning the pages, but as a rough assertion
- * that we will not run into problems later, this will do!)
- */
- GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < atomic_read(&obj->bind_count));
-}
-
/**
* i915_vma_insert - finds a slot for the vma in its address space
* @vma: the vma
@@ -738,12 +727,6 @@ i915_vma_insert(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
GEM_BUG_ON(!i915_gem_valid_gtt_space(vma, color));
- if (vma->obj) {
- struct drm_i915_gem_object *obj = vma->obj;
-
- atomic_inc(&obj->bind_count);
- assert_bind_count(obj);
- }
list_add_tail(&vma->vm_link, &vma->vm->bound_list);
return 0;
@@ -761,12 +744,6 @@ i915_vma_detach(struct i915_vma *vma)
* it to be reaped by the shrinker.
*/
list_del(&vma->vm_link);
- if (vma->obj) {
- struct drm_i915_gem_object *obj = vma->obj;
-
- assert_bind_count(obj);
- atomic_dec(&obj->bind_count);
- }
}
static bool try_qad_pin(struct i915_vma *vma, unsigned int flags)
@@ -913,11 +890,30 @@ int i915_vma_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags)
if (flags & PIN_GLOBAL)
wakeref = intel_runtime_pm_get(&vma->vm->i915->runtime_pm);
- /* No more allocations allowed once we hold vm->mutex */
- err = mutex_lock_interruptible(&vma->vm->mutex);
+ /*
+ * Differentiate between user/kernel vma inside the aliasing-ppgtt.
+ *
+ * We conflate the Global GTT with the user's vma when using the
+ * aliasing-ppgtt, but it is still vitally important to try and
+ * keep the use cases distinct. For example, userptr objects are
+ * not allowed inside the Global GTT as that will cause lock
+ * inversions when we have to evict them the mmu_notifier callbacks -
+ * but they are allowed to be part of the user ppGTT which can never
+ * be mapped. As such we try to give the distinct users of the same
+ * mutex, distinct lockclasses [equivalent to how we keep i915_ggtt
+ * and i915_ppgtt separate].
+ *
+ * NB this may cause us to mask real lock inversions -- while the
+ * code is safe today, lockdep may not be able to spot future
+ * transgressions.
+ */
+ err = mutex_lock_interruptible_nested(&vma->vm->mutex,
+ !(flags & PIN_GLOBAL));
if (err)
goto err_fence;
+ /* No more allocations allowed now we hold vm->mutex */
+
if (unlikely(i915_vma_is_closed(vma))) {
err = -ENOENT;
goto err_unlock;
@@ -980,7 +976,7 @@ err_unlock:
mutex_unlock(&vma->vm->mutex);
err_fence:
if (work)
- dma_fence_work_commit(&work->base);
+ dma_fence_work_commit_imm(&work->base);
if (wakeref)
intel_runtime_pm_put(&vma->vm->i915->runtime_pm, wakeref);
err_pages:
@@ -1026,13 +1022,8 @@ int i915_ggtt_pin(struct i915_vma *vma, u32 align, unsigned int flags)
} while (1);
}
-void i915_vma_close(struct i915_vma *vma)
+static void __vma_close(struct i915_vma *vma, struct intel_gt *gt)
{
- struct intel_gt *gt = vma->vm->gt;
- unsigned long flags;
-
- GEM_BUG_ON(i915_vma_is_closed(vma));
-
/*
* We defer actually closing, unbinding and destroying the VMA until
* the next idle point, or if the object is freed in the meantime. By
@@ -1045,9 +1036,25 @@ void i915_vma_close(struct i915_vma *vma)
* causing us to rebind the VMA once more. This ends up being a lot
* of wasted work for the steady state.
*/
- spin_lock_irqsave(&gt->closed_lock, flags);
+ GEM_BUG_ON(i915_vma_is_closed(vma));
list_add(&vma->closed_link, &gt->closed_vma);
- spin_unlock_irqrestore(&gt->closed_lock, flags);
+}
+
+void i915_vma_close(struct i915_vma *vma)
+{
+ struct intel_gt *gt = vma->vm->gt;
+ unsigned long flags;
+
+ if (i915_vma_is_ggtt(vma))
+ return;
+
+ GEM_BUG_ON(!atomic_read(&vma->open_count));
+ if (atomic_dec_and_lock_irqsave(&vma->open_count,
+ &gt->closed_lock,
+ flags)) {
+ __vma_close(vma, gt);
+ spin_unlock_irqrestore(&gt->closed_lock, flags);
+ }
}
static void __i915_vma_remove_closed(struct i915_vma *vma)
@@ -1172,7 +1179,8 @@ int __i915_vma_move_to_active(struct i915_vma *vma, struct i915_request *rq)
GEM_BUG_ON(!i915_vma_is_pinned(vma));
/* Wait for the vma to be bound before we start! */
- err = i915_request_await_active(rq, &vma->active, 0);
+ err = i915_request_await_active(rq, &vma->active,
+ I915_ACTIVE_AWAIT_EXCL);
if (err)
return err;
@@ -1213,6 +1221,10 @@ int i915_vma_move_to_active(struct i915_vma *vma,
dma_resv_add_shared_fence(vma->resv, &rq->fence);
obj->write_domain = 0;
}
+
+ if (flags & EXEC_OBJECT_NEEDS_FENCE && vma->fence)
+ i915_active_add_request(&vma->fence->active, rq);
+
obj->read_domains |= I915_GEM_GPU_DOMAINS;
obj->mm.dirty = true;
@@ -1226,18 +1238,6 @@ int __i915_vma_unbind(struct i915_vma *vma)
lockdep_assert_held(&vma->vm->mutex);
- /*
- * First wait upon any activity as retiring the request may
- * have side-effects such as unpinning or even unbinding this vma.
- *
- * XXX Actually waiting under the vm->mutex is a hinderance and
- * should be pipelined wherever possible. In cases where that is
- * unavoidable, we should lift the wait to before the mutex.
- */
- ret = i915_vma_sync(vma);
- if (ret)
- return ret;
-
if (i915_vma_is_pinned(vma)) {
vma_print_allocator(vma, "is pinned");
return -EAGAIN;
@@ -1259,6 +1259,9 @@ int __i915_vma_unbind(struct i915_vma *vma)
GEM_BUG_ON(i915_vma_is_active(vma));
if (i915_vma_is_map_and_fenceable(vma)) {
+ /* Force a pagefault for domain tracking on next user access */
+ i915_vma_revoke_mmap(vma);
+
/*
* Check that we have flushed all writes through the GGTT
* before the unbind, other due to non-strict nature of those
@@ -1275,12 +1278,7 @@ int __i915_vma_unbind(struct i915_vma *vma)
i915_vma_flush_writes(vma);
/* release the fence reg _after_ flushing */
- ret = i915_vma_revoke_fence(vma);
- if (ret)
- return ret;
-
- /* Force a pagefault for domain tracking on next user access */
- i915_vma_revoke_mmap(vma);
+ i915_vma_revoke_fence(vma);
__i915_vma_iounmap(vma);
clear_bit(I915_VMA_CAN_FENCE_BIT, __i915_vma_flags(vma));
@@ -1311,16 +1309,21 @@ int i915_vma_unbind(struct i915_vma *vma)
if (!drm_mm_node_allocated(&vma->node))
return 0;
- if (i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND))
- /* XXX not always required: nop_clear_range */
- wakeref = intel_runtime_pm_get(&vm->i915->runtime_pm);
-
/* Optimistic wait before taking the mutex */
err = i915_vma_sync(vma);
if (err)
goto out_rpm;
- err = mutex_lock_interruptible(&vm->mutex);
+ if (i915_vma_is_pinned(vma)) {
+ vma_print_allocator(vma, "is pinned");
+ return -EAGAIN;
+ }
+
+ if (i915_vma_is_bound(vma, I915_VMA_GLOBAL_BIND))
+ /* XXX not always required: nop_clear_range */
+ wakeref = intel_runtime_pm_get(&vm->i915->runtime_pm);
+
+ err = mutex_lock_interruptible_nested(&vma->vm->mutex, !wakeref);
if (err)
goto out_rpm;
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index e1ced1df13e1..8ad1daabcd58 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -30,10 +30,10 @@
#include <drm/drm_mm.h>
+#include "gt/intel_ggtt_fencing.h"
#include "gem/i915_gem_object.h"
#include "i915_gem_gtt.h"
-#include "i915_gem_fence_reg.h"
#include "i915_active.h"
#include "i915_request.h"
@@ -326,7 +326,7 @@ static inline struct page *i915_vma_first_page(struct i915_vma *vma)
* True if the vma has a fence, false otherwise.
*/
int __must_check i915_vma_pin_fence(struct i915_vma *vma);
-int __must_check i915_vma_revoke_fence(struct i915_vma *vma);
+void i915_vma_revoke_fence(struct i915_vma *vma);
int __i915_vma_pin_fence(struct i915_vma *vma);
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index d7fe12734db8..8a635bd4d5d8 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -98,6 +98,7 @@ void intel_device_info_print_static(const struct intel_device_info *info,
drm_printf(p, "platform: %s\n", intel_platform_name(info->platform));
drm_printf(p, "ppgtt-size: %d\n", info->ppgtt_size);
drm_printf(p, "ppgtt-type: %d\n", info->ppgtt_type);
+ drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size);
#define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, yesno(info->name));
DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG);
@@ -135,8 +136,8 @@ void intel_device_info_print_runtime(const struct intel_runtime_info *info,
sseu_dump(&info->sseu, p);
drm_printf(p, "rawclk rate: %u kHz\n", info->rawclk_freq);
- drm_printf(p, "CS timestamp frequency: %u kHz\n",
- info->cs_timestamp_frequency_khz);
+ drm_printf(p, "CS timestamp frequency: %u Hz\n",
+ info->cs_timestamp_frequency_hz);
}
static int sseu_eu_idx(const struct sseu_dev_info *sseu, int slice,
@@ -677,12 +678,12 @@ static u32 read_reference_ts_freq(struct drm_i915_private *dev_priv)
base_freq = ((ts_override & GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DIVIDER_MASK) >>
GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DIVIDER_SHIFT) + 1;
- base_freq *= 1000;
+ base_freq *= 1000000;
frac_freq = ((ts_override &
GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DENOMINATOR_MASK) >>
GEN9_TIMESTAMP_OVERRIDE_US_COUNTER_DENOMINATOR_SHIFT);
- frac_freq = 1000 / (frac_freq + 1);
+ frac_freq = 1000000 / (frac_freq + 1);
return base_freq + frac_freq;
}
@@ -690,8 +691,8 @@ static u32 read_reference_ts_freq(struct drm_i915_private *dev_priv)
static u32 gen10_get_crystal_clock_freq(struct drm_i915_private *dev_priv,
u32 rpm_config_reg)
{
- u32 f19_2_mhz = 19200;
- u32 f24_mhz = 24000;
+ u32 f19_2_mhz = 19200000;
+ u32 f24_mhz = 24000000;
u32 crystal_clock = (rpm_config_reg &
GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK) >>
GEN9_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_SHIFT;
@@ -710,10 +711,10 @@ static u32 gen10_get_crystal_clock_freq(struct drm_i915_private *dev_priv,
static u32 gen11_get_crystal_clock_freq(struct drm_i915_private *dev_priv,
u32 rpm_config_reg)
{
- u32 f19_2_mhz = 19200;
- u32 f24_mhz = 24000;
- u32 f25_mhz = 25000;
- u32 f38_4_mhz = 38400;
+ u32 f19_2_mhz = 19200000;
+ u32 f24_mhz = 24000000;
+ u32 f25_mhz = 25000000;
+ u32 f38_4_mhz = 38400000;
u32 crystal_clock = (rpm_config_reg &
GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_MASK) >>
GEN11_RPM_CONFIG0_CRYSTAL_CLOCK_FREQ_SHIFT;
@@ -735,9 +736,9 @@ static u32 gen11_get_crystal_clock_freq(struct drm_i915_private *dev_priv,
static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
{
- u32 f12_5_mhz = 12500;
- u32 f19_2_mhz = 19200;
- u32 f24_mhz = 24000;
+ u32 f12_5_mhz = 12500000;
+ u32 f19_2_mhz = 19200000;
+ u32 f24_mhz = 24000000;
if (INTEL_GEN(dev_priv) <= 4) {
/* PRMs say:
@@ -746,7 +747,7 @@ static u32 read_timestamp_frequency(struct drm_i915_private *dev_priv)
* hclks." (through the “Clocking Configuration”
* (“CLKCFG”) MCHBAR register)
*/
- return RUNTIME_INFO(dev_priv)->rawclk_freq / 16;
+ return RUNTIME_INFO(dev_priv)->rawclk_freq * 1000 / 16;
} else if (INTEL_GEN(dev_priv) <= 8) {
/* PRMs say:
*
@@ -980,35 +981,32 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
drm_info(&dev_priv->drm,
"Display fused off, disabling\n");
info->pipe_mask = 0;
+ info->cpu_transcoder_mask = 0;
} else if (fuse_strap & IVB_PIPE_C_DISABLE) {
drm_info(&dev_priv->drm, "PipeC fused off\n");
info->pipe_mask &= ~BIT(PIPE_C);
+ info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
}
} else if (HAS_DISPLAY(dev_priv) && INTEL_GEN(dev_priv) >= 9) {
u32 dfsm = I915_READ(SKL_DFSM);
- u8 enabled_mask = info->pipe_mask;
-
- if (dfsm & SKL_DFSM_PIPE_A_DISABLE)
- enabled_mask &= ~BIT(PIPE_A);
- if (dfsm & SKL_DFSM_PIPE_B_DISABLE)
- enabled_mask &= ~BIT(PIPE_B);
- if (dfsm & SKL_DFSM_PIPE_C_DISABLE)
- enabled_mask &= ~BIT(PIPE_C);
- if (INTEL_GEN(dev_priv) >= 12 &&
- (dfsm & TGL_DFSM_PIPE_D_DISABLE))
- enabled_mask &= ~BIT(PIPE_D);
- /*
- * At least one pipe should be enabled and if there are
- * disabled pipes, they should be the last ones, with no holes
- * in the mask.
- */
- if (enabled_mask == 0 || !is_power_of_2(enabled_mask + 1))
- drm_err(&dev_priv->drm,
- "invalid pipe fuse configuration: enabled_mask=0x%x\n",
- enabled_mask);
- else
- info->pipe_mask = enabled_mask;
+ if (dfsm & SKL_DFSM_PIPE_A_DISABLE) {
+ info->pipe_mask &= ~BIT(PIPE_A);
+ info->cpu_transcoder_mask &= ~BIT(TRANSCODER_A);
+ }
+ if (dfsm & SKL_DFSM_PIPE_B_DISABLE) {
+ info->pipe_mask &= ~BIT(PIPE_B);
+ info->cpu_transcoder_mask &= ~BIT(TRANSCODER_B);
+ }
+ if (dfsm & SKL_DFSM_PIPE_C_DISABLE) {
+ info->pipe_mask &= ~BIT(PIPE_C);
+ info->cpu_transcoder_mask &= ~BIT(TRANSCODER_C);
+ }
+ if (INTEL_GEN(dev_priv) >= 12 &&
+ (dfsm & TGL_DFSM_PIPE_D_DISABLE)) {
+ info->pipe_mask &= ~BIT(PIPE_D);
+ info->cpu_transcoder_mask &= ~BIT(TRANSCODER_D);
+ }
if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE)
info->display.has_hdcp = 0;
@@ -1050,11 +1048,11 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq);
/* Initialize command stream timestamp frequency */
- runtime->cs_timestamp_frequency_khz =
+ runtime->cs_timestamp_frequency_hz =
read_timestamp_frequency(dev_priv);
- if (runtime->cs_timestamp_frequency_khz) {
+ if (runtime->cs_timestamp_frequency_hz) {
runtime->cs_timestamp_period_ns =
- div_u64(1e6, runtime->cs_timestamp_frequency_khz);
+ i915_cs_timestamp_ticks_to_ns(dev_priv, 1);
drm_dbg(&dev_priv->drm,
"CS timestamp wraparound in %lldms\n",
div_u64(mul_u32_u32(runtime->cs_timestamp_period_ns,
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 1ecb9df2de91..62e03ffa377e 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -158,6 +158,8 @@ struct intel_device_info {
enum intel_platform platform;
+ unsigned int dma_mask_size; /* available DMA address bits */
+
enum intel_ppgtt_type ppgtt_type;
unsigned int ppgtt_size; /* log2, e.g. 31/32/48 bits */
@@ -168,6 +170,7 @@ struct intel_device_info {
u32 display_mmio_offset;
u8 pipe_mask;
+ u8 cpu_transcoder_mask;
#define DEFINE_FLAG(name) u8 name:1
DEV_INFO_FOR_EACH_FLAG(DEFINE_FLAG);
@@ -218,7 +221,7 @@ struct intel_runtime_info {
u32 rawclk_freq;
- u32 cs_timestamp_frequency_khz;
+ u32 cs_timestamp_frequency_hz;
u32 cs_timestamp_period_ns;
/* Media engine access to SFC per instance */
diff --git a/drivers/gpu/drm/i915/intel_dram.c b/drivers/gpu/drm/i915/intel_dram.c
index 6b922efb1d7c..8aa12cad93ce 100644
--- a/drivers/gpu/drm/i915/intel_dram.c
+++ b/drivers/gpu/drm/i915/intel_dram.c
@@ -495,6 +495,5 @@ void intel_dram_edram_detect(struct drm_i915_private *i915)
else
i915->edram_size_mb = gen9_edram_size_mb(i915, edram_cap);
- dev_info(i915->drm.dev,
- "Found %uMB of eDRAM\n", i915->edram_size_mb);
+ drm_info(&i915->drm, "Found %uMB of eDRAM\n", i915->edram_size_mb);
}
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 8375054ba27d..696491d71a1d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -43,6 +43,7 @@
#include "i915_fixed.h"
#include "i915_irq.h"
#include "i915_trace.h"
+#include "display/intel_bw.h"
#include "intel_pm.h"
#include "intel_sideband.h"
#include "../../../platform/x86/intel_ips.h"
@@ -3637,10 +3638,6 @@ static bool skl_needs_memory_bw_wa(struct drm_i915_private *dev_priv)
static bool
intel_has_sagv(struct drm_i915_private *dev_priv)
{
- /* HACK! */
- if (IS_GEN(dev_priv, 12))
- return false;
-
return (IS_GEN9_BC(dev_priv) || INTEL_GEN(dev_priv) >= 10) &&
dev_priv->sagv_status != I915_SAGV_NOT_CONTROLLED;
}
@@ -3757,42 +3754,120 @@ intel_disable_sagv(struct drm_i915_private *dev_priv)
return 0;
}
-bool intel_can_enable_sagv(struct intel_atomic_state *state)
+void intel_sagv_pre_plane_update(struct intel_atomic_state *state)
{
- struct drm_device *dev = state->base.dev;
- struct drm_i915_private *dev_priv = to_i915(dev);
- struct intel_crtc *crtc;
- struct intel_plane *plane;
- struct intel_crtc_state *crtc_state;
- enum pipe pipe;
- int level, latency;
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ const struct intel_bw_state *new_bw_state;
+ const struct intel_bw_state *old_bw_state;
+ u32 new_mask = 0;
+ /*
+ * Just return if we can't control SAGV or don't have it.
+ * This is different from situation when we have SAGV but just can't
+ * afford it due to DBuf limitation - in case if SAGV is completely
+ * disabled in a BIOS, we are not even allowed to send a PCode request,
+ * as it will throw an error. So have to check it here.
+ */
if (!intel_has_sagv(dev_priv))
- return false;
+ return;
+
+ new_bw_state = intel_atomic_get_new_bw_state(state);
+ if (!new_bw_state)
+ return;
+ if (INTEL_GEN(dev_priv) < 11 && !intel_can_enable_sagv(dev_priv, new_bw_state)) {
+ intel_disable_sagv(dev_priv);
+ return;
+ }
+
+ old_bw_state = intel_atomic_get_old_bw_state(state);
/*
- * If there are no active CRTCs, no additional checks need be performed
+ * Nothing to mask
*/
- if (hweight8(state->active_pipes) == 0)
- return true;
+ if (new_bw_state->qgv_points_mask == old_bw_state->qgv_points_mask)
+ return;
+
+ new_mask = old_bw_state->qgv_points_mask | new_bw_state->qgv_points_mask;
+
+ /*
+ * If new mask is zero - means there is nothing to mask,
+ * we can only unmask, which should be done in unmask.
+ */
+ if (!new_mask)
+ return;
+
+ /*
+ * Restrict required qgv points before updating the configuration.
+ * According to BSpec we can't mask and unmask qgv points at the same
+ * time. Also masking should be done before updating the configuration
+ * and unmasking afterwards.
+ */
+ icl_pcode_restrict_qgv_points(dev_priv, new_mask);
+}
+
+void intel_sagv_post_plane_update(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ const struct intel_bw_state *new_bw_state;
+ const struct intel_bw_state *old_bw_state;
+ u32 new_mask = 0;
+
+ /*
+ * Just return if we can't control SAGV or don't have it.
+ * This is different from situation when we have SAGV but just can't
+ * afford it due to DBuf limitation - in case if SAGV is completely
+ * disabled in a BIOS, we are not even allowed to send a PCode request,
+ * as it will throw an error. So have to check it here.
+ */
+ if (!intel_has_sagv(dev_priv))
+ return;
+
+ new_bw_state = intel_atomic_get_new_bw_state(state);
+ if (!new_bw_state)
+ return;
+
+ if (INTEL_GEN(dev_priv) < 11 && intel_can_enable_sagv(dev_priv, new_bw_state)) {
+ intel_enable_sagv(dev_priv);
+ return;
+ }
+
+ old_bw_state = intel_atomic_get_old_bw_state(state);
+ /*
+ * Nothing to unmask
+ */
+ if (new_bw_state->qgv_points_mask == old_bw_state->qgv_points_mask)
+ return;
+
+ new_mask = new_bw_state->qgv_points_mask;
/*
- * SKL+ workaround: bspec recommends we disable SAGV when we have
- * more then one pipe enabled
+ * Allow required qgv points after updating the configuration.
+ * According to BSpec we can't mask and unmask qgv points at the same
+ * time. Also masking should be done before updating the configuration
+ * and unmasking afterwards.
*/
- if (hweight8(state->active_pipes) > 1)
+ icl_pcode_restrict_qgv_points(dev_priv, new_mask);
+}
+
+static bool skl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ struct intel_plane *plane;
+ const struct intel_plane_state *plane_state;
+ int level, latency;
+
+ if (!intel_has_sagv(dev_priv))
return false;
- /* Since we're now guaranteed to only have one active CRTC... */
- pipe = ffs(state->active_pipes) - 1;
- crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
- crtc_state = to_intel_crtc_state(crtc->base.state);
+ if (!crtc_state->hw.active)
+ return true;
if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
return false;
- for_each_intel_plane_on_crtc(dev, crtc, plane) {
- struct skl_plane_wm *wm =
+ intel_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) {
+ const struct skl_plane_wm *wm =
&crtc_state->wm.skl.optimal.planes[plane->id];
/* Skip this plane if it's not enabled */
@@ -3807,7 +3882,7 @@ bool intel_can_enable_sagv(struct intel_atomic_state *state)
latency = dev_priv->wm.skl_latency[level];
if (skl_needs_memory_bw_wa(dev_priv) &&
- plane->base.state->fb->modifier ==
+ plane_state->uapi.fb->modifier ==
I915_FORMAT_MOD_X_TILED)
latency += 15;
@@ -3823,6 +3898,112 @@ bool intel_can_enable_sagv(struct intel_atomic_state *state)
return true;
}
+static bool tgl_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ enum plane_id plane_id;
+
+ if (!crtc_state->hw.active)
+ return true;
+
+ for_each_plane_id_on_crtc(crtc, plane_id) {
+ const struct skl_ddb_entry *plane_alloc =
+ &crtc_state->wm.skl.plane_ddb_y[plane_id];
+ const struct skl_plane_wm *wm =
+ &crtc_state->wm.skl.optimal.planes[plane_id];
+
+ if (skl_ddb_entry_size(plane_alloc) < wm->sagv_wm0.min_ddb_alloc)
+ return false;
+ }
+
+ return true;
+}
+
+static bool intel_crtc_can_enable_sagv(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+
+ if (INTEL_GEN(dev_priv) >= 12)
+ return tgl_crtc_can_enable_sagv(crtc_state);
+ else
+ return skl_crtc_can_enable_sagv(crtc_state);
+}
+
+bool intel_can_enable_sagv(struct drm_i915_private *dev_priv,
+ const struct intel_bw_state *bw_state)
+{
+ if (INTEL_GEN(dev_priv) < 11 &&
+ bw_state->active_pipes && !is_power_of_2(bw_state->active_pipes))
+ return false;
+
+ return bw_state->pipe_sagv_reject == 0;
+}
+
+static int intel_compute_sagv_mask(struct intel_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+ int ret;
+ struct intel_crtc *crtc;
+ struct intel_crtc_state *new_crtc_state;
+ struct intel_bw_state *new_bw_state = NULL;
+ const struct intel_bw_state *old_bw_state = NULL;
+ int i;
+
+ for_each_new_intel_crtc_in_state(state, crtc,
+ new_crtc_state, i) {
+ new_bw_state = intel_atomic_get_bw_state(state);
+ if (IS_ERR(new_bw_state))
+ return PTR_ERR(new_bw_state);
+
+ old_bw_state = intel_atomic_get_old_bw_state(state);
+
+ if (intel_crtc_can_enable_sagv(new_crtc_state))
+ new_bw_state->pipe_sagv_reject &= ~BIT(crtc->pipe);
+ else
+ new_bw_state->pipe_sagv_reject |= BIT(crtc->pipe);
+ }
+
+ if (!new_bw_state)
+ return 0;
+
+ new_bw_state->active_pipes =
+ intel_calc_active_pipes(state, old_bw_state->active_pipes);
+
+ if (new_bw_state->active_pipes != old_bw_state->active_pipes) {
+ ret = intel_atomic_lock_global_state(&new_bw_state->base);
+ if (ret)
+ return ret;
+ }
+
+ for_each_new_intel_crtc_in_state(state, crtc,
+ new_crtc_state, i) {
+ struct skl_pipe_wm *pipe_wm = &new_crtc_state->wm.skl.optimal;
+
+ /*
+ * We store use_sagv_wm in the crtc state rather than relying on
+ * that bw state since we have no convenient way to get at the
+ * latter from the plane commit hooks (especially in the legacy
+ * cursor case)
+ */
+ pipe_wm->use_sagv_wm = INTEL_GEN(dev_priv) >= 12 &&
+ intel_can_enable_sagv(dev_priv, new_bw_state);
+ }
+
+ if (intel_can_enable_sagv(dev_priv, new_bw_state) !=
+ intel_can_enable_sagv(dev_priv, old_bw_state)) {
+ ret = intel_atomic_serialize_global_state(&new_bw_state->base);
+ if (ret)
+ return ret;
+ } else if (new_bw_state->pipe_sagv_reject != old_bw_state->pipe_sagv_reject) {
+ ret = intel_atomic_lock_global_state(&new_bw_state->base);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* Calculate initial DBuf slice offset, based on slice size
* and mask(i.e if slice size is 1024 and second slice is enabled
@@ -4016,6 +4197,7 @@ static int skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
int color_plane);
static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
int level,
+ unsigned int latency,
const struct skl_wm_params *wp,
const struct skl_wm_level *result_prev,
struct skl_wm_level *result /* out */);
@@ -4038,7 +4220,9 @@ skl_cursor_allocation(const struct intel_crtc_state *crtc_state,
drm_WARN_ON(&dev_priv->drm, ret);
for (level = 0; level <= max_level; level++) {
- skl_compute_plane_wm(crtc_state, level, &wp, &wm, &wm);
+ unsigned int latency = dev_priv->wm.skl_latency[level];
+
+ skl_compute_plane_wm(crtc_state, level, latency, &wp, &wm, &wm);
if (wm.min_ddb_alloc == U16_MAX)
break;
@@ -4544,6 +4728,20 @@ icl_get_total_relative_data_rate(struct intel_crtc_state *crtc_state,
return total_data_rate;
}
+static const struct skl_wm_level *
+skl_plane_wm_level(const struct intel_crtc_state *crtc_state,
+ enum plane_id plane_id,
+ int level)
+{
+ const struct skl_pipe_wm *pipe_wm = &crtc_state->wm.skl.optimal;
+ const struct skl_plane_wm *wm = &pipe_wm->planes[plane_id];
+
+ if (level == 0 && pipe_wm->use_sagv_wm)
+ return &wm->sagv_wm0;
+
+ return &wm->wm[level];
+}
+
static int
skl_allocate_pipe_ddb(struct intel_crtc_state *crtc_state)
{
@@ -4580,7 +4778,6 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *crtc_state)
plane_data_rate,
uv_plane_data_rate);
-
skl_ddb_get_pipe_allocation_limits(dev_priv, crtc_state, total_data_rate,
alloc, &num_active);
alloc_size = skl_ddb_entry_size(alloc);
@@ -4780,7 +4977,7 @@ skl_wm_method1(const struct drm_i915_private *dev_priv, u32 pixel_rate,
wm_intermediate_val = latency * pixel_rate * cpp;
ret = div_fixed16(wm_intermediate_val, 1000 * dbuf_block_size);
- if (INTEL_GEN(dev_priv) >= 10)
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
ret = add_fixed16_u32(ret, 1);
return ret;
@@ -4915,18 +5112,19 @@ skl_compute_wm_params(const struct intel_crtc_state *crtc_state,
wp->y_min_scanlines,
wp->dbuf_block_size);
- if (INTEL_GEN(dev_priv) >= 10)
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
interm_pbpl++;
wp->plane_blocks_per_line = div_fixed16(interm_pbpl,
wp->y_min_scanlines);
- } else if (wp->x_tiled && IS_GEN(dev_priv, 9)) {
- interm_pbpl = DIV_ROUND_UP(wp->plane_bytes_per_line,
- wp->dbuf_block_size);
- wp->plane_blocks_per_line = u32_to_fixed16(interm_pbpl);
} else {
interm_pbpl = DIV_ROUND_UP(wp->plane_bytes_per_line,
- wp->dbuf_block_size) + 1;
+ wp->dbuf_block_size);
+
+ if (!wp->x_tiled ||
+ INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+ interm_pbpl++;
+
wp->plane_blocks_per_line = u32_to_fixed16(interm_pbpl);
}
@@ -4972,12 +5170,12 @@ static bool skl_wm_has_lines(struct drm_i915_private *dev_priv, int level)
static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
int level,
+ unsigned int latency,
const struct skl_wm_params *wp,
const struct skl_wm_level *result_prev,
struct skl_wm_level *result /* out */)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
- u32 latency = dev_priv->wm.skl_latency[level];
uint_fixed_16_16_t method1, method2;
uint_fixed_16_16_t selected_result;
u32 res_blocks, res_lines, min_ddb_alloc = 0;
@@ -4992,7 +5190,7 @@ static void skl_compute_plane_wm(const struct intel_crtc_state *crtc_state,
* WaIncreaseLatencyIPCEnabled: kbl,cfl
* Display WA #1141: kbl,cfl
*/
- if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) ||
+ if ((IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) &&
dev_priv->ipc_enabled)
latency += 4;
@@ -5106,14 +5304,29 @@ skl_compute_wm_levels(const struct intel_crtc_state *crtc_state,
for (level = 0; level <= max_level; level++) {
struct skl_wm_level *result = &levels[level];
+ unsigned int latency = dev_priv->wm.skl_latency[level];
- skl_compute_plane_wm(crtc_state, level, wm_params,
- result_prev, result);
+ skl_compute_plane_wm(crtc_state, level, latency,
+ wm_params, result_prev, result);
result_prev = result;
}
}
+static void tgl_compute_sagv_wm(const struct intel_crtc_state *crtc_state,
+ const struct skl_wm_params *wm_params,
+ struct skl_plane_wm *plane_wm)
+{
+ struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
+ struct skl_wm_level *sagv_wm = &plane_wm->sagv_wm0;
+ struct skl_wm_level *levels = plane_wm->wm;
+ unsigned int latency = dev_priv->wm.skl_latency[0] + dev_priv->sagv_block_time_us;
+
+ skl_compute_plane_wm(crtc_state, 0, latency,
+ wm_params, &levels[0],
+ sagv_wm);
+}
+
static void skl_compute_transition_wm(const struct intel_crtc_state *crtc_state,
const struct skl_wm_params *wp,
struct skl_plane_wm *wm)
@@ -5166,10 +5379,6 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *crtc_state,
trans_offset_b;
} else {
res_blocks = wm0_sel_res_b + trans_offset_b;
-
- /* WA BUG:1938466 add one block for non y-tile planes */
- if (IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_A0))
- res_blocks += 1;
}
/*
@@ -5185,6 +5394,8 @@ static int skl_build_plane_wm_single(struct intel_crtc_state *crtc_state,
const struct intel_plane_state *plane_state,
enum plane_id plane_id, int color_plane)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct skl_plane_wm *wm = &crtc_state->wm.skl.optimal.planes[plane_id];
struct skl_wm_params wm_params;
int ret;
@@ -5195,6 +5406,10 @@ static int skl_build_plane_wm_single(struct intel_crtc_state *crtc_state,
return ret;
skl_compute_wm_levels(crtc_state, &wm_params, wm->wm);
+
+ if (INTEL_GEN(dev_priv) >= 12)
+ tgl_compute_sagv_wm(crtc_state, &wm_params, wm);
+
skl_compute_transition_wm(crtc_state, &wm_params, wm);
return 0;
@@ -5354,8 +5569,12 @@ void skl_write_plane_wm(struct intel_plane *plane,
&crtc_state->wm.skl.plane_ddb_uv[plane_id];
for (level = 0; level <= max_level; level++) {
+ const struct skl_wm_level *wm_level;
+
+ wm_level = skl_plane_wm_level(crtc_state, plane_id, level);
+
skl_write_wm_level(dev_priv, PLANE_WM(pipe, plane_id, level),
- &wm->wm[level]);
+ wm_level);
}
skl_write_wm_level(dev_priv, PLANE_WM_TRANS(pipe, plane_id),
&wm->trans_wm);
@@ -5388,8 +5607,12 @@ void skl_write_cursor_wm(struct intel_plane *plane,
&crtc_state->wm.skl.plane_ddb_y[plane_id];
for (level = 0; level <= max_level; level++) {
+ const struct skl_wm_level *wm_level;
+
+ wm_level = skl_plane_wm_level(crtc_state, plane_id, level);
+
skl_write_wm_level(dev_priv, CUR_WM(pipe, level),
- &wm->wm[level]);
+ wm_level);
}
skl_write_wm_level(dev_priv, CUR_WM_TRANS(pipe), &wm->trans_wm);
@@ -5424,8 +5647,8 @@ static bool skl_plane_wm_equals(struct drm_i915_private *dev_priv,
return skl_wm_level_equals(&wm1->trans_wm, &wm2->trans_wm);
}
-static inline bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
- const struct skl_ddb_entry *b)
+static bool skl_ddb_entries_overlap(const struct skl_ddb_entry *a,
+ const struct skl_ddb_entry *b)
{
return a->start < b->end && b->start < a->end;
}
@@ -5553,23 +5776,25 @@ skl_print_wm_changes(struct intel_atomic_state *state)
continue;
drm_dbg_kms(&dev_priv->drm,
- "[PLANE:%d:%s] level %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm"
- " -> %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm\n",
+ "[PLANE:%d:%s] level %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm,%cswm"
+ " -> %cwm0,%cwm1,%cwm2,%cwm3,%cwm4,%cwm5,%cwm6,%cwm7,%ctwm,%cswm\n",
plane->base.base.id, plane->base.name,
enast(old_wm->wm[0].plane_en), enast(old_wm->wm[1].plane_en),
enast(old_wm->wm[2].plane_en), enast(old_wm->wm[3].plane_en),
enast(old_wm->wm[4].plane_en), enast(old_wm->wm[5].plane_en),
enast(old_wm->wm[6].plane_en), enast(old_wm->wm[7].plane_en),
enast(old_wm->trans_wm.plane_en),
+ enast(old_wm->sagv_wm0.plane_en),
enast(new_wm->wm[0].plane_en), enast(new_wm->wm[1].plane_en),
enast(new_wm->wm[2].plane_en), enast(new_wm->wm[3].plane_en),
enast(new_wm->wm[4].plane_en), enast(new_wm->wm[5].plane_en),
enast(new_wm->wm[6].plane_en), enast(new_wm->wm[7].plane_en),
- enast(new_wm->trans_wm.plane_en));
+ enast(new_wm->trans_wm.plane_en),
+ enast(new_wm->sagv_wm0.plane_en));
drm_dbg_kms(&dev_priv->drm,
- "[PLANE:%d:%s] lines %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d"
- " -> %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d\n",
+ "[PLANE:%d:%s] lines %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d"
+ " -> %c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d,%c%3d\n",
plane->base.base.id, plane->base.name,
enast(old_wm->wm[0].ignore_lines), old_wm->wm[0].plane_res_l,
enast(old_wm->wm[1].ignore_lines), old_wm->wm[1].plane_res_l,
@@ -5580,6 +5805,7 @@ skl_print_wm_changes(struct intel_atomic_state *state)
enast(old_wm->wm[6].ignore_lines), old_wm->wm[6].plane_res_l,
enast(old_wm->wm[7].ignore_lines), old_wm->wm[7].plane_res_l,
enast(old_wm->trans_wm.ignore_lines), old_wm->trans_wm.plane_res_l,
+ enast(old_wm->sagv_wm0.ignore_lines), old_wm->sagv_wm0.plane_res_l,
enast(new_wm->wm[0].ignore_lines), new_wm->wm[0].plane_res_l,
enast(new_wm->wm[1].ignore_lines), new_wm->wm[1].plane_res_l,
@@ -5589,37 +5815,42 @@ skl_print_wm_changes(struct intel_atomic_state *state)
enast(new_wm->wm[5].ignore_lines), new_wm->wm[5].plane_res_l,
enast(new_wm->wm[6].ignore_lines), new_wm->wm[6].plane_res_l,
enast(new_wm->wm[7].ignore_lines), new_wm->wm[7].plane_res_l,
- enast(new_wm->trans_wm.ignore_lines), new_wm->trans_wm.plane_res_l);
+ enast(new_wm->trans_wm.ignore_lines), new_wm->trans_wm.plane_res_l,
+ enast(new_wm->sagv_wm0.ignore_lines), new_wm->sagv_wm0.plane_res_l);
drm_dbg_kms(&dev_priv->drm,
- "[PLANE:%d:%s] blocks %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d"
- " -> %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d\n",
+ "[PLANE:%d:%s] blocks %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d"
+ " -> %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d\n",
plane->base.base.id, plane->base.name,
old_wm->wm[0].plane_res_b, old_wm->wm[1].plane_res_b,
old_wm->wm[2].plane_res_b, old_wm->wm[3].plane_res_b,
old_wm->wm[4].plane_res_b, old_wm->wm[5].plane_res_b,
old_wm->wm[6].plane_res_b, old_wm->wm[7].plane_res_b,
old_wm->trans_wm.plane_res_b,
+ old_wm->sagv_wm0.plane_res_b,
new_wm->wm[0].plane_res_b, new_wm->wm[1].plane_res_b,
new_wm->wm[2].plane_res_b, new_wm->wm[3].plane_res_b,
new_wm->wm[4].plane_res_b, new_wm->wm[5].plane_res_b,
new_wm->wm[6].plane_res_b, new_wm->wm[7].plane_res_b,
- new_wm->trans_wm.plane_res_b);
+ new_wm->trans_wm.plane_res_b,
+ new_wm->sagv_wm0.plane_res_b);
drm_dbg_kms(&dev_priv->drm,
- "[PLANE:%d:%s] min_ddb %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d"
- " -> %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d\n",
+ "[PLANE:%d:%s] min_ddb %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d"
+ " -> %4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d,%4d\n",
plane->base.base.id, plane->base.name,
old_wm->wm[0].min_ddb_alloc, old_wm->wm[1].min_ddb_alloc,
old_wm->wm[2].min_ddb_alloc, old_wm->wm[3].min_ddb_alloc,
old_wm->wm[4].min_ddb_alloc, old_wm->wm[5].min_ddb_alloc,
old_wm->wm[6].min_ddb_alloc, old_wm->wm[7].min_ddb_alloc,
old_wm->trans_wm.min_ddb_alloc,
+ old_wm->sagv_wm0.min_ddb_alloc,
new_wm->wm[0].min_ddb_alloc, new_wm->wm[1].min_ddb_alloc,
new_wm->wm[2].min_ddb_alloc, new_wm->wm[3].min_ddb_alloc,
new_wm->wm[4].min_ddb_alloc, new_wm->wm[5].min_ddb_alloc,
new_wm->wm[6].min_ddb_alloc, new_wm->wm[7].min_ddb_alloc,
- new_wm->trans_wm.min_ddb_alloc);
+ new_wm->trans_wm.min_ddb_alloc,
+ new_wm->sagv_wm0.min_ddb_alloc);
}
}
}
@@ -5780,6 +6011,10 @@ skl_compute_wm(struct intel_atomic_state *state)
if (ret)
return ret;
+ ret = intel_compute_sagv_mask(state);
+ if (ret)
+ return ret;
+
/*
* skl_compute_ddb() will have adjusted the final watermarks
* based on how much ddb is available. Now we can actually
@@ -5876,8 +6111,7 @@ static void ilk_optimize_watermarks(struct intel_atomic_state *state,
mutex_unlock(&dev_priv->wm.wm_mutex);
}
-static inline void skl_wm_level_from_reg_val(u32 val,
- struct skl_wm_level *level)
+static void skl_wm_level_from_reg_val(u32 val, struct skl_wm_level *level)
{
level->plane_en = val & PLANE_WM_EN;
level->ignore_lines = val & PLANE_WM_IGNORE_LINES;
@@ -5909,6 +6143,9 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
skl_wm_level_from_reg_val(val, &wm->wm[level]);
}
+ if (INTEL_GEN(dev_priv) >= 12)
+ wm->sagv_wm0 = wm->wm[0];
+
if (plane_id != PLANE_CURSOR)
val = I915_READ(PLANE_WM_TRANS(pipe, plane_id));
else
@@ -6850,6 +7087,10 @@ static void tgl_init_clock_gating(struct drm_i915_private *dev_priv)
if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
I915_WRITE(GEN9_CLKGATE_DIS_3, I915_READ(GEN9_CLKGATE_DIS_3) |
TGL_VRH_GATING_DIS);
+
+ /* Wa_14011059788:tgl */
+ intel_uncore_rmw(&dev_priv->uncore, GEN10_DFR_RATIO_EN_AND_CHICKEN,
+ 0, DFR_DISABLE);
}
static void cnp_init_clock_gating(struct drm_i915_private *dev_priv)
@@ -6882,9 +7123,6 @@ static void cnl_init_clock_gating(struct drm_i915_private *dev_priv)
val = I915_READ(SLICE_UNIT_LEVEL_CLKGATE);
/* ReadHitWriteOnlyDisable:cnl */
val |= RCCUNIT_CLKGATE_DIS;
- /* WaSarbUnitClockGatingDisable:cnl (pre-prod) */
- if (IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0))
- val |= SARBUNIT_CLKGATE_DIS;
I915_WRITE(SLICE_UNIT_LEVEL_CLKGATE, val);
/* Wa_2201832410:cnl */
diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
index d60a85421c5a..614ac7f8d4cc 100644
--- a/drivers/gpu/drm/i915/intel_pm.h
+++ b/drivers/gpu/drm/i915/intel_pm.h
@@ -9,6 +9,7 @@
#include <linux/types.h>
#include "i915_reg.h"
+#include "display/intel_bw.h"
struct drm_device;
struct drm_i915_private;
@@ -41,9 +42,12 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
struct skl_pipe_wm *out);
void g4x_wm_sanitize(struct drm_i915_private *dev_priv);
void vlv_wm_sanitize(struct drm_i915_private *dev_priv);
-bool intel_can_enable_sagv(struct intel_atomic_state *state);
+bool intel_can_enable_sagv(struct drm_i915_private *dev_priv,
+ const struct intel_bw_state *bw_state);
int intel_enable_sagv(struct drm_i915_private *dev_priv);
int intel_disable_sagv(struct drm_i915_private *dev_priv);
+void intel_sagv_pre_plane_update(struct intel_atomic_state *state);
+void intel_sagv_post_plane_update(struct intel_atomic_state *state);
bool skl_wm_level_equals(const struct skl_wm_level *l1,
const struct skl_wm_level *l2);
bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry *ddb,
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index ad719c9602af..9cb2d7548daa 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -549,7 +549,7 @@ void intel_runtime_pm_enable(struct intel_runtime_pm *rpm)
* becaue the HDA driver may require us to enable the audio power
* domain during system suspend.
*/
- dev_pm_set_driver_flags(kdev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(kdev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_set_autosuspend_delay(kdev, 10000); /* 10s */
pm_runtime_mark_last_busy(kdev);
diff --git a/drivers/gpu/drm/i915/intel_sideband.c b/drivers/gpu/drm/i915/intel_sideband.c
index 3f13baaef058..916ccd1c0e96 100644
--- a/drivers/gpu/drm/i915/intel_sideband.c
+++ b/drivers/gpu/drm/i915/intel_sideband.c
@@ -336,7 +336,7 @@ void intel_sbi_write(struct drm_i915_private *i915, u16 reg, u32 value,
intel_sbi_rw(i915, reg, destination, &value, false);
}
-static inline int gen6_check_mailbox_status(u32 mbox)
+static int gen6_check_mailbox_status(u32 mbox)
{
switch (mbox & GEN6_PCODE_ERROR_MASK) {
case GEN6_PCODE_SUCCESS:
@@ -356,7 +356,7 @@ static inline int gen6_check_mailbox_status(u32 mbox)
}
}
-static inline int gen7_check_mailbox_status(u32 mbox)
+static int gen7_check_mailbox_status(u32 mbox)
{
switch (mbox & GEN6_PCODE_ERROR_MASK) {
case GEN6_PCODE_SUCCESS:
@@ -371,6 +371,8 @@ static inline int gen7_check_mailbox_status(u32 mbox)
return -ENXIO;
case GEN11_PCODE_LOCKED:
return -EBUSY;
+ case GEN11_PCODE_REJECTED:
+ return -EACCES;
case GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE:
return -EOVERFLOW;
default:
@@ -429,7 +431,7 @@ int sandybridge_pcode_read(struct drm_i915_private *i915, u32 mbox,
mutex_lock(&i915->sb_lock);
err = __sandybridge_pcode_rw(i915, mbox, val, val1,
- 500, 0,
+ 500, 20,
true);
mutex_unlock(&i915->sb_lock);
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index abb18b90d7c3..a61cb8ca4d50 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -665,7 +665,7 @@ void intel_uncore_forcewake_user_put(struct intel_uncore *uncore)
mmio_debug_resume(uncore->debug);
if (check_for_unclaimed_mmio(uncore))
- dev_info(uncore->i915->drm.dev,
+ drm_info(&uncore->i915->drm,
"Invalid mmio detected during user access\n");
spin_unlock(&uncore->debug->lock);
@@ -735,6 +735,28 @@ void intel_uncore_forcewake_put(struct intel_uncore *uncore,
}
/**
+ * intel_uncore_forcewake_flush - flush the delayed release
+ * @uncore: the intel_uncore structure
+ * @fw_domains: forcewake domains to flush
+ */
+void intel_uncore_forcewake_flush(struct intel_uncore *uncore,
+ enum forcewake_domains fw_domains)
+{
+ struct intel_uncore_forcewake_domain *domain;
+ unsigned int tmp;
+
+ if (!uncore->funcs.force_wake_put)
+ return;
+
+ fw_domains &= uncore->fw_domains;
+ for_each_fw_domain_masked(domain, fw_domains, uncore, tmp) {
+ WRITE_ONCE(domain->active, false);
+ if (hrtimer_cancel(&domain->timer))
+ intel_uncore_fw_release_timer(&domain->timer);
+ }
+}
+
+/**
* intel_uncore_forcewake_put__locked - grab forcewake domain references
* @uncore: the intel_uncore structure
* @fw_domains: forcewake domains to get reference on
@@ -877,11 +899,6 @@ find_fw_domain(struct intel_uncore *uncore, u32 offset)
#define GEN_FW_RANGE(s, e, d) \
{ .start = (s), .end = (e), .domains = (d) }
-#define HAS_FWTABLE(dev_priv) \
- (INTEL_GEN(dev_priv) >= 9 || \
- IS_CHERRYVIEW(dev_priv) || \
- IS_VALLEYVIEW(dev_priv))
-
/* *Must* be sorted by offset ranges! See intel_fw_table_check(). */
static const struct intel_forcewake_range __vlv_fw_ranges[] = {
GEN_FW_RANGE(0x2000, 0x3fff, FORCEWAKE_RENDER),
@@ -1070,8 +1087,7 @@ static const struct intel_forcewake_range __gen9_fw_ranges[] = {
/* *Must* be sorted by offset ranges! See intel_fw_table_check(). */
static const struct intel_forcewake_range __gen11_fw_ranges[] = {
- GEN_FW_RANGE(0x0, 0xaff, FORCEWAKE_BLITTER),
- GEN_FW_RANGE(0xb00, 0x1fff, 0), /* uncore range */
+ GEN_FW_RANGE(0x0, 0x1fff, 0), /* uncore range */
GEN_FW_RANGE(0x2000, 0x26ff, FORCEWAKE_RENDER),
GEN_FW_RANGE(0x2700, 0x2fff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0x3000, 0x3fff, FORCEWAKE_RENDER),
@@ -1081,27 +1097,31 @@ static const struct intel_forcewake_range __gen11_fw_ranges[] = {
GEN_FW_RANGE(0x8140, 0x815f, FORCEWAKE_RENDER),
GEN_FW_RANGE(0x8160, 0x82ff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0x8300, 0x84ff, FORCEWAKE_RENDER),
- GEN_FW_RANGE(0x8500, 0x8bff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x8500, 0x87ff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x8800, 0x8bff, 0),
GEN_FW_RANGE(0x8c00, 0x8cff, FORCEWAKE_RENDER),
- GEN_FW_RANGE(0x8d00, 0x93ff, FORCEWAKE_BLITTER),
- GEN_FW_RANGE(0x9400, 0x97ff, FORCEWAKE_ALL),
- GEN_FW_RANGE(0x9800, 0xafff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x8d00, 0x94cf, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x94d0, 0x955f, FORCEWAKE_RENDER),
+ GEN_FW_RANGE(0x9560, 0x95ff, 0),
+ GEN_FW_RANGE(0x9600, 0xafff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0xb000, 0xb47f, FORCEWAKE_RENDER),
GEN_FW_RANGE(0xb480, 0xdeff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0xdf00, 0xe8ff, FORCEWAKE_RENDER),
GEN_FW_RANGE(0xe900, 0x16dff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0x16e00, 0x19fff, FORCEWAKE_RENDER),
- GEN_FW_RANGE(0x1a000, 0x243ff, FORCEWAKE_BLITTER),
- GEN_FW_RANGE(0x24400, 0x247ff, FORCEWAKE_RENDER),
- GEN_FW_RANGE(0x24800, 0x3ffff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x1a000, 0x23fff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x24000, 0x2407f, 0),
+ GEN_FW_RANGE(0x24080, 0x2417f, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x24180, 0x242ff, FORCEWAKE_RENDER),
+ GEN_FW_RANGE(0x24300, 0x243ff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x24400, 0x24fff, FORCEWAKE_RENDER),
+ GEN_FW_RANGE(0x25000, 0x3ffff, FORCEWAKE_BLITTER),
GEN_FW_RANGE(0x40000, 0x1bffff, 0),
GEN_FW_RANGE(0x1c0000, 0x1c3fff, FORCEWAKE_MEDIA_VDBOX0),
- GEN_FW_RANGE(0x1c4000, 0x1c7fff, FORCEWAKE_MEDIA_VDBOX1),
- GEN_FW_RANGE(0x1c8000, 0x1cbfff, FORCEWAKE_MEDIA_VEBOX0),
- GEN_FW_RANGE(0x1cc000, 0x1cffff, FORCEWAKE_BLITTER),
+ GEN_FW_RANGE(0x1c4000, 0x1c7fff, 0),
+ GEN_FW_RANGE(0x1c8000, 0x1cffff, FORCEWAKE_MEDIA_VEBOX0),
GEN_FW_RANGE(0x1d0000, 0x1d3fff, FORCEWAKE_MEDIA_VDBOX2),
- GEN_FW_RANGE(0x1d4000, 0x1d7fff, FORCEWAKE_MEDIA_VDBOX3),
- GEN_FW_RANGE(0x1d8000, 0x1dbfff, FORCEWAKE_MEDIA_VEBOX1)
+ GEN_FW_RANGE(0x1d4000, 0x1dbfff, 0)
};
/* *Must* be sorted by offset ranges! See intel_fw_table_check(). */
diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
index dcfa243892c6..8d3aa8b9acf9 100644
--- a/drivers/gpu/drm/i915/intel_uncore.h
+++ b/drivers/gpu/drm/i915/intel_uncore.h
@@ -209,7 +209,11 @@ void intel_uncore_forcewake_get(struct intel_uncore *uncore,
enum forcewake_domains domains);
void intel_uncore_forcewake_put(struct intel_uncore *uncore,
enum forcewake_domains domains);
-/* Like above but the caller must manage the uncore.lock itself.
+void intel_uncore_forcewake_flush(struct intel_uncore *uncore,
+ enum forcewake_domains fw_domains);
+
+/*
+ * Like above but the caller must manage the uncore.lock itself.
* Must be used with I915_READ_FW and friends.
*/
void intel_uncore_forcewake_get__locked(struct intel_uncore *uncore,
diff --git a/drivers/gpu/drm/i915/intel_wakeref.c b/drivers/gpu/drm/i915/intel_wakeref.c
index 8fbf6f4d3f26..dfd87d082218 100644
--- a/drivers/gpu/drm/i915/intel_wakeref.c
+++ b/drivers/gpu/drm/i915/intel_wakeref.c
@@ -70,11 +70,12 @@ unlock:
void __intel_wakeref_put_last(struct intel_wakeref *wf, unsigned long flags)
{
- INTEL_WAKEREF_BUG_ON(work_pending(&wf->work));
+ INTEL_WAKEREF_BUG_ON(delayed_work_pending(&wf->work));
/* Assume we are not in process context and so cannot sleep. */
if (flags & INTEL_WAKEREF_PUT_ASYNC || !mutex_trylock(&wf->mutex)) {
- schedule_work(&wf->work);
+ mod_delayed_work(system_wq, &wf->work,
+ FIELD_GET(INTEL_WAKEREF_PUT_DELAY, flags));
return;
}
@@ -83,7 +84,7 @@ void __intel_wakeref_put_last(struct intel_wakeref *wf, unsigned long flags)
static void __intel_wakeref_put_work(struct work_struct *wrk)
{
- struct intel_wakeref *wf = container_of(wrk, typeof(*wf), work);
+ struct intel_wakeref *wf = container_of(wrk, typeof(*wf), work.work);
if (atomic_add_unless(&wf->count, -1, 1))
return;
@@ -104,8 +105,9 @@ void __intel_wakeref_init(struct intel_wakeref *wf,
atomic_set(&wf->count, 0);
wf->wakeref = 0;
- INIT_WORK(&wf->work, __intel_wakeref_put_work);
- lockdep_init_map(&wf->work.lockdep_map, "wakeref.work", &key->work, 0);
+ INIT_DELAYED_WORK(&wf->work, __intel_wakeref_put_work);
+ lockdep_init_map(&wf->work.work.lockdep_map,
+ "wakeref.work", &key->work, 0);
}
int intel_wakeref_wait_for_idle(struct intel_wakeref *wf)
diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h
index 7d1e676b71ef..545c8f277c46 100644
--- a/drivers/gpu/drm/i915/intel_wakeref.h
+++ b/drivers/gpu/drm/i915/intel_wakeref.h
@@ -8,6 +8,7 @@
#define INTEL_WAKEREF_H
#include <linux/atomic.h>
+#include <linux/bitfield.h>
#include <linux/bits.h>
#include <linux/lockdep.h>
#include <linux/mutex.h>
@@ -41,7 +42,7 @@ struct intel_wakeref {
struct intel_runtime_pm *rpm;
const struct intel_wakeref_ops *ops;
- struct work_struct work;
+ struct delayed_work work;
};
struct intel_wakeref_lockclass {
@@ -117,6 +118,11 @@ intel_wakeref_get_if_active(struct intel_wakeref *wf)
return atomic_inc_not_zero(&wf->count);
}
+enum {
+ INTEL_WAKEREF_PUT_ASYNC_BIT = 0,
+ __INTEL_WAKEREF_PUT_LAST_BIT__
+};
+
/**
* intel_wakeref_put_flags: Release the wakeref
* @wf: the wakeref
@@ -134,7 +140,9 @@ intel_wakeref_get_if_active(struct intel_wakeref *wf)
*/
static inline void
__intel_wakeref_put(struct intel_wakeref *wf, unsigned long flags)
-#define INTEL_WAKEREF_PUT_ASYNC BIT(0)
+#define INTEL_WAKEREF_PUT_ASYNC BIT(INTEL_WAKEREF_PUT_ASYNC_BIT)
+#define INTEL_WAKEREF_PUT_DELAY \
+ GENMASK(BITS_PER_LONG - 1, __INTEL_WAKEREF_PUT_LAST_BIT__)
{
INTEL_WAKEREF_BUG_ON(atomic_read(&wf->count) <= 0);
if (unlikely(!atomic_add_unless(&wf->count, -1, 1)))
@@ -154,6 +162,14 @@ intel_wakeref_put_async(struct intel_wakeref *wf)
__intel_wakeref_put(wf, INTEL_WAKEREF_PUT_ASYNC);
}
+static inline void
+intel_wakeref_put_delay(struct intel_wakeref *wf, unsigned long delay)
+{
+ __intel_wakeref_put(wf,
+ INTEL_WAKEREF_PUT_ASYNC |
+ FIELD_PREP(INTEL_WAKEREF_PUT_DELAY, delay));
+}
+
/**
* intel_wakeref_lock: Lock the wakeref (mutex)
* @wf: the wakeref
@@ -194,7 +210,7 @@ intel_wakeref_unlock_wait(struct intel_wakeref *wf)
{
mutex_lock(&wf->mutex);
mutex_unlock(&wf->mutex);
- flush_work(&wf->work);
+ flush_delayed_work(&wf->work);
}
/**
diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c
index 2bb9f9f9a50a..ec776591e1cf 100644
--- a/drivers/gpu/drm/i915/intel_wopcm.c
+++ b/drivers/gpu/drm/i915/intel_wopcm.c
@@ -86,10 +86,10 @@ void intel_wopcm_init_early(struct intel_wopcm *wopcm)
else
wopcm->size = GEN9_WOPCM_SIZE;
- DRM_DEV_DEBUG_DRIVER(i915->drm.dev, "WOPCM: %uK\n", wopcm->size / 1024);
+ drm_dbg(&i915->drm, "WOPCM: %uK\n", wopcm->size / 1024);
}
-static inline u32 context_reserved_size(struct drm_i915_private *i915)
+static u32 context_reserved_size(struct drm_i915_private *i915)
{
if (IS_GEN9_LP(i915))
return BXT_WOPCM_RC6_CTX_RESERVED;
@@ -99,8 +99,8 @@ static inline u32 context_reserved_size(struct drm_i915_private *i915)
return 0;
}
-static inline bool gen9_check_dword_gap(struct drm_i915_private *i915,
- u32 guc_wopcm_base, u32 guc_wopcm_size)
+static bool gen9_check_dword_gap(struct drm_i915_private *i915,
+ u32 guc_wopcm_base, u32 guc_wopcm_size)
{
u32 offset;
@@ -112,7 +112,7 @@ static inline bool gen9_check_dword_gap(struct drm_i915_private *i915,
offset = guc_wopcm_base + GEN9_GUC_WOPCM_OFFSET;
if (offset > guc_wopcm_size ||
(guc_wopcm_size - offset) < sizeof(u32)) {
- dev_err(i915->drm.dev,
+ drm_err(&i915->drm,
"WOPCM: invalid GuC region size: %uK < %uK\n",
guc_wopcm_size / SZ_1K,
(u32)(offset + sizeof(u32)) / SZ_1K);
@@ -122,8 +122,8 @@ static inline bool gen9_check_dword_gap(struct drm_i915_private *i915,
return true;
}
-static inline bool gen9_check_huc_fw_fits(struct drm_i915_private *i915,
- u32 guc_wopcm_size, u32 huc_fw_size)
+static bool gen9_check_huc_fw_fits(struct drm_i915_private *i915,
+ u32 guc_wopcm_size, u32 huc_fw_size)
{
/*
* On Gen9 & CNL A0, hardware requires the total available GuC WOPCM
@@ -131,7 +131,7 @@ static inline bool gen9_check_huc_fw_fits(struct drm_i915_private *i915,
* firmware uploading would fail.
*/
if (huc_fw_size > guc_wopcm_size - GUC_WOPCM_RESERVED) {
- dev_err(i915->drm.dev, "WOPCM: no space for %s: %uK < %uK\n",
+ drm_err(&i915->drm, "WOPCM: no space for %s: %uK < %uK\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_HUC),
(guc_wopcm_size - GUC_WOPCM_RESERVED) / SZ_1K,
huc_fw_size / 1024);
@@ -141,32 +141,31 @@ static inline bool gen9_check_huc_fw_fits(struct drm_i915_private *i915,
return true;
}
-static inline bool check_hw_restrictions(struct drm_i915_private *i915,
- u32 guc_wopcm_base, u32 guc_wopcm_size,
- u32 huc_fw_size)
+static bool check_hw_restrictions(struct drm_i915_private *i915,
+ u32 guc_wopcm_base, u32 guc_wopcm_size,
+ u32 huc_fw_size)
{
if (IS_GEN(i915, 9) && !gen9_check_dword_gap(i915, guc_wopcm_base,
guc_wopcm_size))
return false;
- if ((IS_GEN(i915, 9) ||
- IS_CNL_REVID(i915, CNL_REVID_A0, CNL_REVID_A0)) &&
+ if (IS_GEN(i915, 9) &&
!gen9_check_huc_fw_fits(i915, guc_wopcm_size, huc_fw_size))
return false;
return true;
}
-static inline bool __check_layout(struct drm_i915_private *i915, u32 wopcm_size,
- u32 guc_wopcm_base, u32 guc_wopcm_size,
- u32 guc_fw_size, u32 huc_fw_size)
+static bool __check_layout(struct drm_i915_private *i915, u32 wopcm_size,
+ u32 guc_wopcm_base, u32 guc_wopcm_size,
+ u32 guc_fw_size, u32 huc_fw_size)
{
const u32 ctx_rsvd = context_reserved_size(i915);
u32 size;
size = wopcm_size - ctx_rsvd;
if (unlikely(range_overflows(guc_wopcm_base, guc_wopcm_size, size))) {
- dev_err(i915->drm.dev,
+ drm_err(&i915->drm,
"WOPCM: invalid GuC region layout: %uK + %uK > %uK\n",
guc_wopcm_base / SZ_1K, guc_wopcm_size / SZ_1K,
size / SZ_1K);
@@ -175,7 +174,7 @@ static inline bool __check_layout(struct drm_i915_private *i915, u32 wopcm_size,
size = guc_fw_size + GUC_WOPCM_RESERVED + GUC_WOPCM_STACK_RESERVED;
if (unlikely(guc_wopcm_size < size)) {
- dev_err(i915->drm.dev, "WOPCM: no space for %s: %uK < %uK\n",
+ drm_err(&i915->drm, "WOPCM: no space for %s: %uK < %uK\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_GUC),
guc_wopcm_size / SZ_1K, size / SZ_1K);
return false;
@@ -183,7 +182,7 @@ static inline bool __check_layout(struct drm_i915_private *i915, u32 wopcm_size,
size = huc_fw_size + WOPCM_RESERVED_SIZE;
if (unlikely(guc_wopcm_base < size)) {
- dev_err(i915->drm.dev, "WOPCM: no space for %s: %uK < %uK\n",
+ drm_err(&i915->drm, "WOPCM: no space for %s: %uK < %uK\n",
intel_uc_fw_type_repr(INTEL_UC_FW_TYPE_HUC),
guc_wopcm_base / SZ_1K, size / SZ_1K);
return false;
@@ -242,10 +241,8 @@ void intel_wopcm_init(struct intel_wopcm *wopcm)
return;
if (__wopcm_regs_locked(gt->uncore, &guc_wopcm_base, &guc_wopcm_size)) {
- DRM_DEV_DEBUG_DRIVER(i915->drm.dev,
- "GuC WOPCM is already locked [%uK, %uK)\n",
- guc_wopcm_base / SZ_1K,
- guc_wopcm_size / SZ_1K);
+ drm_dbg(&i915->drm, "GuC WOPCM is already locked [%uK, %uK)\n",
+ guc_wopcm_base / SZ_1K, guc_wopcm_size / SZ_1K);
goto check;
}
@@ -266,8 +263,8 @@ void intel_wopcm_init(struct intel_wopcm *wopcm)
guc_wopcm_size = wopcm->size - ctx_rsvd - guc_wopcm_base;
guc_wopcm_size &= GUC_WOPCM_SIZE_MASK;
- DRM_DEV_DEBUG_DRIVER(i915->drm.dev, "Calculated GuC WOPCM [%uK, %uK)\n",
- guc_wopcm_base / SZ_1K, guc_wopcm_size / SZ_1K);
+ drm_dbg(&i915->drm, "Calculated GuC WOPCM [%uK, %uK)\n",
+ guc_wopcm_base / SZ_1K, guc_wopcm_size / SZ_1K);
check:
if (__check_layout(i915, wopcm->size, guc_wopcm_base, guc_wopcm_size,
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_bdw.c b/drivers/gpu/drm/i915/oa/i915_oa_bdw.c
deleted file mode 100644
index 14da5c3b569d..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_bdw.c
+++ /dev/null
@@ -1,90 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_bdw.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x000000a0 },
- { _MMIO(0x9888), 0x198b0000 },
- { _MMIO(0x9888), 0x078b0066 },
- { _MMIO(0x9888), 0x118b0000 },
- { _MMIO(0x9888), 0x258b0000 },
- { _MMIO(0x9888), 0x21850008 },
- { _MMIO(0x9888), 0x0d834000 },
- { _MMIO(0x9888), 0x07844000 },
- { _MMIO(0x9888), 0x17804000 },
- { _MMIO(0x9888), 0x21800000 },
- { _MMIO(0x9888), 0x4f800000 },
- { _MMIO(0x9888), 0x41800000 },
- { _MMIO(0x9888), 0x31800000 },
- { _MMIO(0x9840), 0x00000080 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_bdw(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "d6de6f55-e526-4f79-a6a6-d7315c09044e",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "d6de6f55-e526-4f79-a6a6-d7315c09044e";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_bdw.h b/drivers/gpu/drm/i915/oa/i915_oa_bdw.h
deleted file mode 100644
index 0cee3334f0a6..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_bdw.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_BDW_H__
-#define __I915_OA_BDW_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_bdw(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_bxt.c b/drivers/gpu/drm/i915/oa/i915_oa_bxt.c
deleted file mode 100644
index 3e785bafcf99..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_bxt.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_bxt.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x19800000 },
- { _MMIO(0x9888), 0x07800063 },
- { _MMIO(0x9888), 0x11800000 },
- { _MMIO(0x9888), 0x23810008 },
- { _MMIO(0x9888), 0x1d950400 },
- { _MMIO(0x9888), 0x0f922000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x55900000 },
- { _MMIO(0x9888), 0x47900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_bxt(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "5ee72f5c-092f-421e-8b70-225f7c3e9612",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "5ee72f5c-092f-421e-8b70-225f7c3e9612";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_bxt.h b/drivers/gpu/drm/i915/oa/i915_oa_bxt.h
deleted file mode 100644
index 0bdf391323ec..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_bxt.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_BXT_H__
-#define __I915_OA_BXT_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_bxt(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.c
deleted file mode 100644
index 0ea86f70a06c..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_cflgt2.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_cflgt2(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "74fb4902-d3d3-4237-9e90-cbdc68d0a446",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "74fb4902-d3d3-4237-9e90-cbdc68d0a446";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.h
deleted file mode 100644
index 6b862280ab78..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cflgt2.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_CFLGT2_H__
-#define __I915_OA_CFLGT2_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_cflgt2(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.c
deleted file mode 100644
index fc632dd890bf..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_cflgt3.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_cflgt3(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "577e8e2c-3fa0-4875-8743-3538d585e3b0",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "577e8e2c-3fa0-4875-8743-3538d585e3b0";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.h
deleted file mode 100644
index 4ca9d8f89b2f..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cflgt3.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_CFLGT3_H__
-#define __I915_OA_CFLGT3_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_cflgt3(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_chv.c b/drivers/gpu/drm/i915/oa/i915_oa_chv.c
deleted file mode 100644
index 6cd4e9921a8a..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_chv.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_chv.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x000000a0 },
- { _MMIO(0x9888), 0x59800000 },
- { _MMIO(0x9888), 0x59800001 },
- { _MMIO(0x9888), 0x338b0000 },
- { _MMIO(0x9888), 0x258b0066 },
- { _MMIO(0x9888), 0x058b0000 },
- { _MMIO(0x9888), 0x038b0000 },
- { _MMIO(0x9888), 0x03844000 },
- { _MMIO(0x9888), 0x47800080 },
- { _MMIO(0x9888), 0x57800000 },
- { _MMIO(0x1823a4), 0x00000000 },
- { _MMIO(0x9888), 0x59800000 },
- { _MMIO(0x9840), 0x00000080 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_chv(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "4a534b07-cba3-414d-8d60-874830e883aa",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "4a534b07-cba3-414d-8d60-874830e883aa";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_chv.h b/drivers/gpu/drm/i915/oa/i915_oa_chv.h
deleted file mode 100644
index 3cac7bbc9c71..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_chv.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_CHV_H__
-#define __I915_OA_CHV_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_chv(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cnl.c b/drivers/gpu/drm/i915/oa/i915_oa_cnl.c
deleted file mode 100644
index 1041e8914993..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cnl.c
+++ /dev/null
@@ -1,101 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_cnl.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x0000ffff },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x0000ffff },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x0000ffff },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0xd04), 0x00000200 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x17060000 },
- { _MMIO(0x9840), 0x00000000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x13034000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x07060066 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x05060000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x0f080040 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x07091000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x0f041000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x1d004000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x35000000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x49000000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x3d000000 },
- { _MMIO(0x9884), 0x00000007 },
- { _MMIO(0x9888), 0x31000000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_cnl(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "db41edd4-d8e7-4730-ad11-b9a2d6833503",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "db41edd4-d8e7-4730-ad11-b9a2d6833503";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_cnl.h b/drivers/gpu/drm/i915/oa/i915_oa_cnl.h
deleted file mode 100644
index db379f5fcbb9..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_cnl.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_CNL_H__
-#define __I915_OA_CNL_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_cnl(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_glk.c b/drivers/gpu/drm/i915/oa/i915_oa_glk.c
deleted file mode 100644
index bd15ebe9aeeb..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_glk.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_glk.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x19800000 },
- { _MMIO(0x9888), 0x07800063 },
- { _MMIO(0x9888), 0x11800000 },
- { _MMIO(0x9888), 0x23810008 },
- { _MMIO(0x9888), 0x1d950400 },
- { _MMIO(0x9888), 0x0f922000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x55900000 },
- { _MMIO(0x9888), 0x47900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_glk(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "dd3fd789-e783-4204-8cd0-b671bbccb0cf",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "dd3fd789-e783-4204-8cd0-b671bbccb0cf";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_glk.h b/drivers/gpu/drm/i915/oa/i915_oa_glk.h
deleted file mode 100644
index 779f343efd11..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_glk.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_GLK_H__
-#define __I915_OA_GLK_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_glk(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_hsw.c b/drivers/gpu/drm/i915/oa/i915_oa_hsw.c
deleted file mode 100644
index 133721a8619f..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_hsw.c
+++ /dev/null
@@ -1,118 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_hsw.h"
-
-static const struct i915_oa_reg b_counter_config_render_basic[] = {
- { _MMIO(0x2724), 0x00800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2714), 0x00800000 },
- { _MMIO(0x2710), 0x00000000 },
-};
-
-static const struct i915_oa_reg flex_eu_config_render_basic[] = {
-};
-
-static const struct i915_oa_reg mux_config_render_basic[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x253a4), 0x01600000 },
- { _MMIO(0x25440), 0x00100000 },
- { _MMIO(0x25128), 0x00000000 },
- { _MMIO(0x2691c), 0x00000800 },
- { _MMIO(0x26aa0), 0x01500000 },
- { _MMIO(0x26b9c), 0x00006000 },
- { _MMIO(0x2791c), 0x00000800 },
- { _MMIO(0x27aa0), 0x01500000 },
- { _MMIO(0x27b9c), 0x00006000 },
- { _MMIO(0x2641c), 0x00000400 },
- { _MMIO(0x25380), 0x00000010 },
- { _MMIO(0x2538c), 0x00000000 },
- { _MMIO(0x25384), 0x0800aaaa },
- { _MMIO(0x25400), 0x00000004 },
- { _MMIO(0x2540c), 0x06029000 },
- { _MMIO(0x25410), 0x00000002 },
- { _MMIO(0x25404), 0x5c30ffff },
- { _MMIO(0x25100), 0x00000016 },
- { _MMIO(0x25110), 0x00000400 },
- { _MMIO(0x25104), 0x00000000 },
- { _MMIO(0x26804), 0x00001211 },
- { _MMIO(0x26884), 0x00000100 },
- { _MMIO(0x26900), 0x00000002 },
- { _MMIO(0x26908), 0x00700000 },
- { _MMIO(0x26904), 0x00000000 },
- { _MMIO(0x26984), 0x00001022 },
- { _MMIO(0x26a04), 0x00000011 },
- { _MMIO(0x26a80), 0x00000006 },
- { _MMIO(0x26a88), 0x00000c02 },
- { _MMIO(0x26a84), 0x00000000 },
- { _MMIO(0x26b04), 0x00001000 },
- { _MMIO(0x26b80), 0x00000002 },
- { _MMIO(0x26b8c), 0x00000007 },
- { _MMIO(0x26b84), 0x00000000 },
- { _MMIO(0x27804), 0x00004844 },
- { _MMIO(0x27884), 0x00000400 },
- { _MMIO(0x27900), 0x00000002 },
- { _MMIO(0x27908), 0x0e000000 },
- { _MMIO(0x27904), 0x00000000 },
- { _MMIO(0x27984), 0x00004088 },
- { _MMIO(0x27a04), 0x00000044 },
- { _MMIO(0x27a80), 0x00000006 },
- { _MMIO(0x27a88), 0x00018040 },
- { _MMIO(0x27a84), 0x00000000 },
- { _MMIO(0x27b04), 0x00004000 },
- { _MMIO(0x27b80), 0x00000002 },
- { _MMIO(0x27b8c), 0x000000e0 },
- { _MMIO(0x27b84), 0x00000000 },
- { _MMIO(0x26104), 0x00002222 },
- { _MMIO(0x26184), 0x0c006666 },
- { _MMIO(0x26284), 0x04000000 },
- { _MMIO(0x26304), 0x04000000 },
- { _MMIO(0x26400), 0x00000002 },
- { _MMIO(0x26410), 0x000000a0 },
- { _MMIO(0x26404), 0x00000000 },
- { _MMIO(0x25420), 0x04108020 },
- { _MMIO(0x25424), 0x1284a420 },
- { _MMIO(0x2541c), 0x00000000 },
- { _MMIO(0x25428), 0x00042049 },
-};
-
-static ssize_t
-show_render_basic_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_hsw(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "403d8832-1a27-4aa6-a64e-f5389ce7b212",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_render_basic;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_render_basic);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_render_basic;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_render_basic);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_render_basic;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_render_basic);
-
- dev_priv->perf.test_config.sysfs_metric.name = "403d8832-1a27-4aa6-a64e-f5389ce7b212";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_render_basic_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_hsw.h b/drivers/gpu/drm/i915/oa/i915_oa_hsw.h
deleted file mode 100644
index ba97f732f136..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_hsw.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_HSW_H__
-#define __I915_OA_HSW_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_hsw(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_icl.c b/drivers/gpu/drm/i915/oa/i915_oa_icl.c
deleted file mode 100644
index 2d92041b754f..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_icl.c
+++ /dev/null
@@ -1,98 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_icl.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x0000ffff },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x0000ffff },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x0000ffff },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0xd04), 0x00000200 },
- { _MMIO(0x9840), 0x00000000 },
- { _MMIO(0x9884), 0x00000000 },
- { _MMIO(0x9888), 0x10060000 },
- { _MMIO(0x9888), 0x22060000 },
- { _MMIO(0x9888), 0x16060000 },
- { _MMIO(0x9888), 0x24060000 },
- { _MMIO(0x9888), 0x18060000 },
- { _MMIO(0x9888), 0x1a060000 },
- { _MMIO(0x9888), 0x12060000 },
- { _MMIO(0x9888), 0x14060000 },
- { _MMIO(0x9888), 0x10060000 },
- { _MMIO(0x9888), 0x22060000 },
- { _MMIO(0x9884), 0x00000003 },
- { _MMIO(0x9888), 0x16130000 },
- { _MMIO(0x9888), 0x24000001 },
- { _MMIO(0x9888), 0x0e130056 },
- { _MMIO(0x9888), 0x10130000 },
- { _MMIO(0x9888), 0x1a130000 },
- { _MMIO(0x9888), 0x541f0001 },
- { _MMIO(0x9888), 0x181f0000 },
- { _MMIO(0x9888), 0x4c1f0000 },
- { _MMIO(0x9888), 0x301f0000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_icl(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "a291665e-244b-4b76-9b9a-01de9d3c8068",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "a291665e-244b-4b76-9b9a-01de9d3c8068";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_icl.h b/drivers/gpu/drm/i915/oa/i915_oa_icl.h
deleted file mode 100644
index 5c64112d720e..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_icl.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_ICL_H__
-#define __I915_OA_ICL_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_icl(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.c
deleted file mode 100644
index 1c3a67c9cfe0..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_kblgt2.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_kblgt2(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "baa3c7e4-52b6-4b85-801e-465a94b746dd",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "baa3c7e4-52b6-4b85-801e-465a94b746dd";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.h
deleted file mode 100644
index 810532fa6b63..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_kblgt2.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_KBLGT2_H__
-#define __I915_OA_KBLGT2_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_kblgt2(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.c
deleted file mode 100644
index ebbe5a9c9fdc..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_kblgt3.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_kblgt3(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "f1792f32-6db2-4b50-b4b2-557128f1688d",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "f1792f32-6db2-4b50-b4b2-557128f1688d";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.h
deleted file mode 100644
index 13d70456fabd..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_kblgt3.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_KBLGT3_H__
-#define __I915_OA_KBLGT3_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_kblgt3(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.c
deleted file mode 100644
index 1bc359ed34e8..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.c
+++ /dev/null
@@ -1,88 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_sklgt2.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810016 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_sklgt2(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "1651949f-0ac0-4cb1-a06f-dafd74a407d1",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "1651949f-0ac0-4cb1-a06f-dafd74a407d1";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.h
deleted file mode 100644
index fda70c51a6ec..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt2.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_SKLGT2_H__
-#define __I915_OA_SKLGT2_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_sklgt2(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.c
deleted file mode 100644
index 6e352f881310..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_sklgt3.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_sklgt3(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "2b985803-d3c9-4629-8a4f-634bfecba0e8",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "2b985803-d3c9-4629-8a4f-634bfecba0e8";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.h
deleted file mode 100644
index df74eba5799e..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt3.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_SKLGT3_H__
-#define __I915_OA_SKLGT3_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_sklgt3(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.c b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.c
deleted file mode 100644
index 8f345115a306..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.c
+++ /dev/null
@@ -1,89 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_sklgt4.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0x2740), 0x00000000 },
- { _MMIO(0x2744), 0x00800000 },
- { _MMIO(0x2714), 0xf0800000 },
- { _MMIO(0x2710), 0x00000000 },
- { _MMIO(0x2724), 0xf0800000 },
- { _MMIO(0x2720), 0x00000000 },
- { _MMIO(0x2770), 0x00000004 },
- { _MMIO(0x2774), 0x00000000 },
- { _MMIO(0x2778), 0x00000003 },
- { _MMIO(0x277c), 0x00000000 },
- { _MMIO(0x2780), 0x00000007 },
- { _MMIO(0x2784), 0x00000000 },
- { _MMIO(0x2788), 0x00100002 },
- { _MMIO(0x278c), 0x0000fff7 },
- { _MMIO(0x2790), 0x00100002 },
- { _MMIO(0x2794), 0x0000ffcf },
- { _MMIO(0x2798), 0x00100082 },
- { _MMIO(0x279c), 0x0000ffef },
- { _MMIO(0x27a0), 0x001000c2 },
- { _MMIO(0x27a4), 0x0000ffe7 },
- { _MMIO(0x27a8), 0x00100001 },
- { _MMIO(0x27ac), 0x0000ffe7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x9840), 0x00000080 },
- { _MMIO(0x9888), 0x11810000 },
- { _MMIO(0x9888), 0x07810013 },
- { _MMIO(0x9888), 0x1f810000 },
- { _MMIO(0x9888), 0x1d810000 },
- { _MMIO(0x9888), 0x1b930040 },
- { _MMIO(0x9888), 0x07e54000 },
- { _MMIO(0x9888), 0x1f908000 },
- { _MMIO(0x9888), 0x11900000 },
- { _MMIO(0x9888), 0x37900000 },
- { _MMIO(0x9888), 0x53900000 },
- { _MMIO(0x9888), 0x45900000 },
- { _MMIO(0x9888), 0x33900000 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_sklgt4(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "882fa433-1f4a-4a67-a962-c741888fe5f5",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "882fa433-1f4a-4a67-a962-c741888fe5f5";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.h b/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.h
deleted file mode 100644
index 378ab7ab78d5..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_sklgt4.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018-2019 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_SKLGT4_H__
-#define __I915_OA_SKLGT4_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_sklgt4(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_tgl.c b/drivers/gpu/drm/i915/oa/i915_oa_tgl.c
deleted file mode 100644
index a29d93707345..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_tgl.c
+++ /dev/null
@@ -1,121 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright © 2018 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#include <linux/sysfs.h>
-
-#include "i915_drv.h"
-#include "i915_oa_tgl.h"
-
-static const struct i915_oa_reg b_counter_config_test_oa[] = {
- { _MMIO(0xD920), 0x00000000 },
- { _MMIO(0xD900), 0x00000000 },
- { _MMIO(0xD904), 0xF0800000 },
- { _MMIO(0xD910), 0x00000000 },
- { _MMIO(0xD914), 0xF0800000 },
- { _MMIO(0xDC40), 0x00FF0000 },
- { _MMIO(0xD940), 0x00000004 },
- { _MMIO(0xD944), 0x0000FFFF },
- { _MMIO(0xDC00), 0x00000004 },
- { _MMIO(0xDC04), 0x0000FFFF },
- { _MMIO(0xD948), 0x00000003 },
- { _MMIO(0xD94C), 0x0000FFFF },
- { _MMIO(0xDC08), 0x00000003 },
- { _MMIO(0xDC0C), 0x0000FFFF },
- { _MMIO(0xD950), 0x00000007 },
- { _MMIO(0xD954), 0x0000FFFF },
- { _MMIO(0xDC10), 0x00000007 },
- { _MMIO(0xDC14), 0x0000FFFF },
- { _MMIO(0xD958), 0x00100002 },
- { _MMIO(0xD95C), 0x0000FFF7 },
- { _MMIO(0xDC18), 0x00100002 },
- { _MMIO(0xDC1C), 0x0000FFF7 },
- { _MMIO(0xD960), 0x00100002 },
- { _MMIO(0xD964), 0x0000FFCF },
- { _MMIO(0xDC20), 0x00100002 },
- { _MMIO(0xDC24), 0x0000FFCF },
- { _MMIO(0xD968), 0x00100082 },
- { _MMIO(0xD96C), 0x0000FFEF },
- { _MMIO(0xDC28), 0x00100082 },
- { _MMIO(0xDC2C), 0x0000FFEF },
- { _MMIO(0xD970), 0x001000C2 },
- { _MMIO(0xD974), 0x0000FFE7 },
- { _MMIO(0xDC30), 0x001000C2 },
- { _MMIO(0xDC34), 0x0000FFE7 },
- { _MMIO(0xD978), 0x00100001 },
- { _MMIO(0xD97C), 0x0000FFE7 },
- { _MMIO(0xDC38), 0x00100001 },
- { _MMIO(0xDC3C), 0x0000FFE7 },
-};
-
-static const struct i915_oa_reg flex_eu_config_test_oa[] = {
-};
-
-static const struct i915_oa_reg mux_config_test_oa[] = {
- { _MMIO(0x0D04), 0x00000200 },
- { _MMIO(0x9840), 0x00000000 },
- { _MMIO(0x9884), 0x00000000 },
- { _MMIO(0x9888), 0x280E0000 },
- { _MMIO(0x9888), 0x1E0E0147 },
- { _MMIO(0x9888), 0x180E0000 },
- { _MMIO(0x9888), 0x160E0000 },
- { _MMIO(0x9888), 0x1E0F1000 },
- { _MMIO(0x9888), 0x1E104000 },
- { _MMIO(0x9888), 0x2E020100 },
- { _MMIO(0x9888), 0x2C030004 },
- { _MMIO(0x9888), 0x38003000 },
- { _MMIO(0x9888), 0x1E0A8000 },
- { _MMIO(0x9884), 0x00000003 },
- { _MMIO(0x9888), 0x49110000 },
- { _MMIO(0x9888), 0x5D101400 },
- { _MMIO(0x9888), 0x1D140020 },
- { _MMIO(0x9888), 0x1D1103A3 },
- { _MMIO(0x9888), 0x01110000 },
- { _MMIO(0x9888), 0x61111000 },
- { _MMIO(0x9888), 0x1F128000 },
- { _MMIO(0x9888), 0x17100000 },
- { _MMIO(0x9888), 0x55100630 },
- { _MMIO(0x9888), 0x57100000 },
- { _MMIO(0x9888), 0x31100000 },
- { _MMIO(0x9884), 0x00000003 },
- { _MMIO(0x9888), 0x65100002 },
- { _MMIO(0x9884), 0x00000000 },
- { _MMIO(0x9888), 0x42000001 },
-};
-
-static ssize_t
-show_test_oa_id(struct device *kdev, struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "1\n");
-}
-
-void
-i915_perf_load_test_config_tgl(struct drm_i915_private *dev_priv)
-{
- strlcpy(dev_priv->perf.test_config.uuid,
- "80a833f0-2504-4321-8894-e9277844ce7b",
- sizeof(dev_priv->perf.test_config.uuid));
- dev_priv->perf.test_config.id = 1;
-
- dev_priv->perf.test_config.mux_regs = mux_config_test_oa;
- dev_priv->perf.test_config.mux_regs_len = ARRAY_SIZE(mux_config_test_oa);
-
- dev_priv->perf.test_config.b_counter_regs = b_counter_config_test_oa;
- dev_priv->perf.test_config.b_counter_regs_len = ARRAY_SIZE(b_counter_config_test_oa);
-
- dev_priv->perf.test_config.flex_regs = flex_eu_config_test_oa;
- dev_priv->perf.test_config.flex_regs_len = ARRAY_SIZE(flex_eu_config_test_oa);
-
- dev_priv->perf.test_config.sysfs_metric.name = "80a833f0-2504-4321-8894-e9277844ce7b";
- dev_priv->perf.test_config.sysfs_metric.attrs = dev_priv->perf.test_config.attrs;
-
- dev_priv->perf.test_config.attrs[0] = &dev_priv->perf.test_config.sysfs_metric_id.attr;
-
- dev_priv->perf.test_config.sysfs_metric_id.attr.name = "id";
- dev_priv->perf.test_config.sysfs_metric_id.attr.mode = 0444;
- dev_priv->perf.test_config.sysfs_metric_id.show = show_test_oa_id;
-}
diff --git a/drivers/gpu/drm/i915/oa/i915_oa_tgl.h b/drivers/gpu/drm/i915/oa/i915_oa_tgl.h
deleted file mode 100644
index 4c25f0be825c..000000000000
--- a/drivers/gpu/drm/i915/oa/i915_oa_tgl.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2018 Intel Corporation
- *
- * Autogenerated file by GPU Top : https://github.com/rib/gputop
- * DO NOT EDIT manually!
- */
-
-#ifndef __I915_OA_TGL_H__
-#define __I915_OA_TGL_H__
-
-struct drm_i915_private;
-
-void i915_perf_load_test_config_tgl(struct drm_i915_private *dev_priv);
-
-#endif
diff --git a/drivers/gpu/drm/i915/selftests/i915_active.c b/drivers/gpu/drm/i915/selftests/i915_active.c
index 68bbb1580162..4002c984c2e0 100644
--- a/drivers/gpu/drm/i915/selftests/i915_active.c
+++ b/drivers/gpu/drm/i915/selftests/i915_active.c
@@ -153,7 +153,7 @@ static int live_active_wait(void *arg)
if (IS_ERR(active))
return PTR_ERR(active);
- i915_active_wait(&active->base);
+ __i915_active_wait(&active->base, TASK_UNINTERRUPTIBLE);
if (!READ_ONCE(active->retired)) {
struct drm_printer p = drm_err_printer(__func__);
@@ -228,11 +228,11 @@ static int live_active_barrier(void *arg)
}
i915_active_release(&active->base);
+ if (err)
+ goto out;
- if (err == 0)
- err = i915_active_wait(&active->base);
-
- if (err == 0 && !READ_ONCE(active->retired)) {
+ __i915_active_wait(&active->base, TASK_UNINTERRUPTIBLE);
+ if (!READ_ONCE(active->retired)) {
pr_err("i915_active not retired after flushing barriers!\n");
err = -EINVAL;
}
@@ -277,7 +277,7 @@ static struct intel_engine_cs *node_to_barrier(struct active_node *it)
void i915_active_print(struct i915_active *ref, struct drm_printer *m)
{
- drm_printf(m, "active %pS:%pS\n", ref->active, ref->retire);
+ drm_printf(m, "active %ps:%ps\n", ref->active, ref->retire);
drm_printf(m, "\tcount: %d\n", atomic_read(&ref->count));
drm_printf(m, "\tpreallocated barriers? %s\n",
yesno(!llist_empty(&ref->preallocated_barriers)));
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem.c b/drivers/gpu/drm/i915/selftests/i915_gem.c
index 623759b73bb4..88d400b9df88 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem.c
@@ -125,8 +125,6 @@ static void pm_resume(struct drm_i915_private *i915)
*/
with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
i915_ggtt_resume(&i915->ggtt);
- i915_gem_restore_fences(&i915->ggtt);
-
i915_gem_resume(i915);
}
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
index 06ef88510209..028baae9631f 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c
@@ -45,8 +45,8 @@ static void quirk_add(struct drm_i915_gem_object *obj,
static int populate_ggtt(struct i915_ggtt *ggtt, struct list_head *objects)
{
- unsigned long unbound, bound, count;
struct drm_i915_gem_object *obj;
+ unsigned long count;
count = 0;
do {
@@ -72,30 +72,6 @@ static int populate_ggtt(struct i915_ggtt *ggtt, struct list_head *objects)
pr_debug("Filled GGTT with %lu pages [%llu total]\n",
count, ggtt->vm.total / PAGE_SIZE);
- bound = 0;
- unbound = 0;
- list_for_each_entry(obj, objects, st_link) {
- GEM_BUG_ON(!obj->mm.quirked);
-
- if (atomic_read(&obj->bind_count))
- bound++;
- else
- unbound++;
- }
- GEM_BUG_ON(bound + unbound != count);
-
- if (unbound) {
- pr_err("%s: Found %lu objects unbound, expected %u!\n",
- __func__, unbound, 0);
- return -EINVAL;
- }
-
- if (bound != count) {
- pr_err("%s: Found %lu objects bound, expected %lu!\n",
- __func__, bound, count);
- return -EINVAL;
- }
-
if (list_empty(&ggtt->vm.bound_list)) {
pr_err("No objects on the GGTT inactive list!\n");
return -EINVAL;
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index b342bef5e7c9..2e471500a646 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -331,9 +331,6 @@ static void close_object_list(struct list_head *objects,
vma = i915_vma_instance(obj, vm, NULL);
if (!IS_ERR(vma))
ignored = i915_vma_unbind(vma);
- /* Only ppgtt vma may be closed before the object is freed */
- if (!IS_ERR(vma) && !i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
list_del(&obj->st_link);
i915_gem_object_put(obj);
@@ -591,7 +588,7 @@ static int walk_hole(struct i915_address_space *vm,
pr_err("%s bind failed at %llx + %llx [hole %llx- %llx] with err=%d\n",
__func__, addr, vma->size,
hole_start, hole_end, err);
- goto err_close;
+ goto err_put;
}
i915_vma_unpin(vma);
@@ -600,14 +597,14 @@ static int walk_hole(struct i915_address_space *vm,
pr_err("%s incorrect at %llx + %llx\n",
__func__, addr, vma->size);
err = -EINVAL;
- goto err_close;
+ goto err_put;
}
err = i915_vma_unbind(vma);
if (err) {
pr_err("%s unbind failed at %llx + %llx with err=%d\n",
__func__, addr, vma->size, err);
- goto err_close;
+ goto err_put;
}
GEM_BUG_ON(drm_mm_node_allocated(&vma->node));
@@ -616,13 +613,10 @@ static int walk_hole(struct i915_address_space *vm,
"%s timed out at %llx\n",
__func__, addr)) {
err = -EINTR;
- goto err_close;
+ goto err_put;
}
}
-err_close:
- if (!i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
err_put:
i915_gem_object_put(obj);
if (err)
@@ -675,7 +669,7 @@ static int pot_hole(struct i915_address_space *vm,
addr,
hole_start, hole_end,
err);
- goto err;
+ goto err_obj;
}
if (!drm_mm_node_allocated(&vma->node) ||
@@ -685,7 +679,7 @@ static int pot_hole(struct i915_address_space *vm,
i915_vma_unpin(vma);
err = i915_vma_unbind(vma);
err = -EINVAL;
- goto err;
+ goto err_obj;
}
i915_vma_unpin(vma);
@@ -697,13 +691,10 @@ static int pot_hole(struct i915_address_space *vm,
"%s timed out after %d/%d\n",
__func__, pot, fls64(hole_end - 1) - 1)) {
err = -EINTR;
- goto err;
+ goto err_obj;
}
}
-err:
- if (!i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
err_obj:
i915_gem_object_put(obj);
return err;
@@ -778,7 +769,7 @@ static int drunk_hole(struct i915_address_space *vm,
addr, BIT_ULL(size),
hole_start, hole_end,
err);
- goto err;
+ goto err_obj;
}
if (!drm_mm_node_allocated(&vma->node) ||
@@ -788,7 +779,7 @@ static int drunk_hole(struct i915_address_space *vm,
i915_vma_unpin(vma);
err = i915_vma_unbind(vma);
err = -EINVAL;
- goto err;
+ goto err_obj;
}
i915_vma_unpin(vma);
@@ -799,13 +790,10 @@ static int drunk_hole(struct i915_address_space *vm,
"%s timed out after %d/%d\n",
__func__, n, count)) {
err = -EINTR;
- goto err;
+ goto err_obj;
}
}
-err:
- if (!i915_vma_is_ggtt(vma))
- i915_vma_close(vma);
err_obj:
i915_gem_object_put(obj);
kfree(order);
@@ -1229,7 +1217,6 @@ static void track_vma_bind(struct i915_vma *vma)
{
struct drm_i915_gem_object *obj = vma->obj;
- atomic_inc(&obj->bind_count); /* track for eviction later */
__i915_gem_object_pin_pages(obj);
GEM_BUG_ON(vma->pages);
diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
index 0a953bfc0585..5dd5d81646c4 100644
--- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h
@@ -37,6 +37,7 @@ selftest(gem, i915_gem_live_selftests)
selftest(evict, i915_gem_evict_live_selftests)
selftest(hugepages, i915_gem_huge_page_live_selftests)
selftest(gem_contexts, i915_gem_context_live_selftests)
+selftest(gem_execbuf, i915_gem_execbuffer_live_selftests)
selftest(blt, i915_gem_object_blt_live_selftests)
selftest(client, i915_gem_client_blt_live_selftests)
selftest(reset, intel_reset_live_selftests)
diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
index 5b39bab4da1d..6a2be7d0dd95 100644
--- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h
@@ -16,6 +16,7 @@
* Tests are executed in order by igt/drv_selftest
*/
selftest(sanitycheck, i915_mock_sanitycheck) /* keep first (igt selfcheck) */
+selftest(shmem, shmem_utils_mock_selftests)
selftest(fence, i915_sw_fence_mock_selftests)
selftest(scatterlist, scatterlist_mock_selftests)
selftest(syncmap, i915_syncmap_mock_selftests)
diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c
index d1a1568c47ba..8eb3108f1767 100644
--- a/drivers/gpu/drm/i915/selftests/i915_perf.c
+++ b/drivers/gpu/drm/i915/selftests/i915_perf.c
@@ -14,10 +14,85 @@
#include "igt_flush_test.h"
#include "lib_sw_fence.h"
+#define TEST_OA_CONFIG_UUID "12345678-1234-1234-1234-1234567890ab"
+
+static int
+alloc_empty_config(struct i915_perf *perf)
+{
+ struct i915_oa_config *oa_config;
+
+ oa_config = kzalloc(sizeof(*oa_config), GFP_KERNEL);
+ if (!oa_config)
+ return -ENOMEM;
+
+ oa_config->perf = perf;
+ kref_init(&oa_config->ref);
+
+ strlcpy(oa_config->uuid, TEST_OA_CONFIG_UUID, sizeof(oa_config->uuid));
+
+ mutex_lock(&perf->metrics_lock);
+
+ oa_config->id = idr_alloc(&perf->metrics_idr, oa_config, 2, 0, GFP_KERNEL);
+ if (oa_config->id < 0) {
+ mutex_unlock(&perf->metrics_lock);
+ i915_oa_config_put(oa_config);
+ return -ENOMEM;
+ }
+
+ mutex_unlock(&perf->metrics_lock);
+
+ return 0;
+}
+
+static void
+destroy_empty_config(struct i915_perf *perf)
+{
+ struct i915_oa_config *oa_config = NULL, *tmp;
+ int id;
+
+ mutex_lock(&perf->metrics_lock);
+
+ idr_for_each_entry(&perf->metrics_idr, tmp, id) {
+ if (!strcmp(tmp->uuid, TEST_OA_CONFIG_UUID)) {
+ oa_config = tmp;
+ break;
+ }
+ }
+
+ if (oa_config)
+ idr_remove(&perf->metrics_idr, oa_config->id);
+
+ mutex_unlock(&perf->metrics_lock);
+
+ if (oa_config)
+ i915_oa_config_put(oa_config);
+}
+
+static struct i915_oa_config *
+get_empty_config(struct i915_perf *perf)
+{
+ struct i915_oa_config *oa_config = NULL, *tmp;
+ int id;
+
+ mutex_lock(&perf->metrics_lock);
+
+ idr_for_each_entry(&perf->metrics_idr, tmp, id) {
+ if (!strcmp(tmp->uuid, TEST_OA_CONFIG_UUID)) {
+ oa_config = i915_oa_config_get(tmp);
+ break;
+ }
+ }
+
+ mutex_unlock(&perf->metrics_lock);
+
+ return oa_config;
+}
+
static struct i915_perf_stream *
test_stream(struct i915_perf *perf)
{
struct drm_i915_perf_open_param param = {};
+ struct i915_oa_config *oa_config = get_empty_config(perf);
struct perf_open_properties props = {
.engine = intel_engine_lookup_user(perf->i915,
I915_ENGINE_CLASS_RENDER,
@@ -25,13 +100,19 @@ test_stream(struct i915_perf *perf)
.sample_flags = SAMPLE_OA_REPORT,
.oa_format = IS_GEN(perf->i915, 12) ?
I915_OA_FORMAT_A32u40_A4u32_B8_C8 : I915_OA_FORMAT_C4_B8,
- .metrics_set = 1,
};
struct i915_perf_stream *stream;
+ if (!oa_config)
+ return NULL;
+
+ props.metrics_set = oa_config->id;
+
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
- if (!stream)
+ if (!stream) {
+ i915_oa_config_put(oa_config);
return NULL;
+ }
stream->perf = perf;
@@ -42,6 +123,8 @@ test_stream(struct i915_perf *perf)
}
mutex_unlock(&perf->lock);
+ i915_oa_config_put(oa_config);
+
return stream;
}
@@ -138,8 +221,7 @@ static int live_noa_delay(void *arg)
goto out;
}
- if (rq->engine->emit_init_breadcrumb &&
- i915_request_timeline(rq)->has_initial_breadcrumb) {
+ if (rq->engine->emit_init_breadcrumb) {
err = rq->engine->emit_init_breadcrumb(rq);
if (err) {
i915_request_add(rq);
@@ -180,8 +262,7 @@ static int live_noa_delay(void *arg)
delay = intel_read_status_page(stream->engine, 0x102);
delay -= intel_read_status_page(stream->engine, 0x100);
- delay = div_u64(mul_u32_u32(delay, 1000 * 1000),
- RUNTIME_INFO(i915)->cs_timestamp_frequency_khz);
+ delay = i915_cs_timestamp_ticks_to_ns(i915, delay);
pr_info("GPU delay: %uns, expected %lluns\n",
delay, expected);
@@ -206,6 +287,7 @@ int i915_perf_live_selftests(struct drm_i915_private *i915)
SUBTEST(live_noa_delay),
};
struct i915_perf *perf = &i915->perf;
+ int err;
if (!perf->metrics_kobj || !perf->ops.enable_metric_set)
return 0;
@@ -213,5 +295,13 @@ int i915_perf_live_selftests(struct drm_i915_private *i915)
if (intel_gt_is_wedged(&i915->gt))
return 0;
- return i915_subtests(tests, i915);
+ err = alloc_empty_config(&i915->perf);
+ if (err)
+ return err;
+
+ err = i915_subtests(tests, i915);
+
+ destroy_empty_config(&i915->perf);
+
+ return err;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_perf_selftests.h b/drivers/gpu/drm/i915/selftests/i915_perf_selftests.h
index 3bf7f53e9924..d8da142985eb 100644
--- a/drivers/gpu/drm/i915/selftests/i915_perf_selftests.h
+++ b/drivers/gpu/drm/i915/selftests/i915_perf_selftests.h
@@ -16,5 +16,6 @@
* Tests are executed in order by igt/i915_selftest
*/
selftest(engine_cs, intel_engine_cs_perf_selftests)
+selftest(request, i915_request_perf_selftests)
selftest(blt, i915_gem_object_blt_perf_selftests)
selftest(region, intel_memory_region_perf_selftests)
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index f89d9c42f1fa..6014e8dfcbb1 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -23,11 +23,13 @@
*/
#include <linux/prime_numbers.h>
+#include <linux/pm_qos.h>
#include "gem/i915_gem_pm.h"
#include "gem/selftests/mock_context.h"
#include "gt/intel_engine_pm.h"
+#include "gt/intel_engine_user.h"
#include "gt/intel_gt.h"
#include "i915_random.h"
@@ -51,6 +53,11 @@ static unsigned int num_uabi_engines(struct drm_i915_private *i915)
return count;
}
+static struct intel_engine_cs *rcs0(struct drm_i915_private *i915)
+{
+ return intel_engine_lookup_user(i915, I915_ENGINE_CLASS_RENDER, 0);
+}
+
static int igt_add_request(void *arg)
{
struct drm_i915_private *i915 = arg;
@@ -58,7 +65,7 @@ static int igt_add_request(void *arg)
/* Basic preliminary test to create a request and let it loose! */
- request = mock_request(i915->engine[RCS0]->kernel_context, HZ / 10);
+ request = mock_request(rcs0(i915)->kernel_context, HZ / 10);
if (!request)
return -ENOMEM;
@@ -76,7 +83,7 @@ static int igt_wait_request(void *arg)
/* Submit a request, then wait upon it */
- request = mock_request(i915->engine[RCS0]->kernel_context, T);
+ request = mock_request(rcs0(i915)->kernel_context, T);
if (!request)
return -ENOMEM;
@@ -145,7 +152,7 @@ static int igt_fence_wait(void *arg)
/* Submit a request, treat it as a fence and wait upon it */
- request = mock_request(i915->engine[RCS0]->kernel_context, T);
+ request = mock_request(rcs0(i915)->kernel_context, T);
if (!request)
return -ENOMEM;
@@ -420,7 +427,7 @@ static int mock_breadcrumbs_smoketest(void *arg)
{
struct drm_i915_private *i915 = arg;
struct smoketest t = {
- .engine = i915->engine[RCS0],
+ .engine = rcs0(i915),
.ncontexts = 1024,
.max_batch = 1024,
.request_alloc = __mock_request_alloc
@@ -809,10 +816,12 @@ static int recursive_batch_resolve(struct i915_vma *batch)
return PTR_ERR(cmd);
*cmd = MI_BATCH_BUFFER_END;
- intel_gt_chipset_flush(batch->vm->gt);
+ __i915_gem_object_flush_map(batch->obj, 0, sizeof(*cmd));
i915_gem_object_unpin_map(batch->obj);
+ intel_gt_chipset_flush(batch->vm->gt);
+
return 0;
}
@@ -858,13 +867,6 @@ static int live_all_engines(void *arg)
goto out_request;
}
- err = engine->emit_bb_start(request[idx],
- batch->node.start,
- batch->node.size,
- 0);
- GEM_BUG_ON(err);
- request[idx]->batch = batch;
-
i915_vma_lock(batch);
err = i915_request_await_object(request[idx], batch->obj, 0);
if (err == 0)
@@ -872,6 +874,13 @@ static int live_all_engines(void *arg)
i915_vma_unlock(batch);
GEM_BUG_ON(err);
+ err = engine->emit_bb_start(request[idx],
+ batch->node.start,
+ batch->node.size,
+ 0);
+ GEM_BUG_ON(err);
+ request[idx]->batch = batch;
+
i915_request_get(request[idx]);
i915_request_add(request[idx]);
idx++;
@@ -986,13 +995,6 @@ static int live_sequential_engines(void *arg)
}
}
- err = engine->emit_bb_start(request[idx],
- batch->node.start,
- batch->node.size,
- 0);
- GEM_BUG_ON(err);
- request[idx]->batch = batch;
-
i915_vma_lock(batch);
err = i915_request_await_object(request[idx],
batch->obj, false);
@@ -1001,6 +1003,13 @@ static int live_sequential_engines(void *arg)
i915_vma_unlock(batch);
GEM_BUG_ON(err);
+ err = engine->emit_bb_start(request[idx],
+ batch->node.start,
+ batch->node.size,
+ 0);
+ GEM_BUG_ON(err);
+ request[idx]->batch = batch;
+
i915_request_get(request[idx]);
i915_request_add(request[idx]);
@@ -1053,9 +1062,12 @@ out_request:
I915_MAP_WC);
if (!IS_ERR(cmd)) {
*cmd = MI_BATCH_BUFFER_END;
- intel_gt_chipset_flush(engine->gt);
+ __i915_gem_object_flush_map(request[idx]->batch->obj,
+ 0, sizeof(*cmd));
i915_gem_object_unpin_map(request[idx]->batch->obj);
+
+ intel_gt_chipset_flush(engine->gt);
}
i915_vma_put(request[idx]->batch);
@@ -1233,7 +1245,7 @@ static int live_parallel_engines(void *arg)
struct igt_live_test t;
unsigned int idx;
- snprintf(name, sizeof(name), "%pS", fn);
+ snprintf(name, sizeof(name), "%ps", *fn);
err = igt_live_test_begin(&t, i915, __func__, name);
if (err)
break;
@@ -1470,3 +1482,572 @@ int i915_request_live_selftests(struct drm_i915_private *i915)
return i915_subtests(tests, i915);
}
+
+static int switch_to_kernel_sync(struct intel_context *ce, int err)
+{
+ struct i915_request *rq;
+ struct dma_fence *fence;
+
+ rq = intel_engine_create_kernel_request(ce->engine);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
+
+ fence = i915_active_fence_get(&ce->timeline->last_request);
+ if (fence) {
+ i915_request_await_dma_fence(rq, fence);
+ dma_fence_put(fence);
+ }
+
+ rq = i915_request_get(rq);
+ i915_request_add(rq);
+ if (i915_request_wait(rq, 0, HZ / 2) < 0 && !err)
+ err = -ETIME;
+ i915_request_put(rq);
+
+ while (!err && !intel_engine_is_idle(ce->engine))
+ intel_engine_flush_submission(ce->engine);
+
+ return err;
+}
+
+struct perf_stats {
+ struct intel_engine_cs *engine;
+ unsigned long count;
+ ktime_t time;
+ ktime_t busy;
+ u64 runtime;
+};
+
+struct perf_series {
+ struct drm_i915_private *i915;
+ unsigned int nengines;
+ struct intel_context *ce[];
+};
+
+static int s_sync0(void *arg)
+{
+ struct perf_series *ps = arg;
+ IGT_TIMEOUT(end_time);
+ unsigned int idx = 0;
+ int err = 0;
+
+ GEM_BUG_ON(!ps->nengines);
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ps->ce[idx]);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ if (i915_request_wait(rq, 0, HZ / 5) < 0)
+ err = -ETIME;
+ i915_request_put(rq);
+ if (err)
+ break;
+
+ if (++idx == ps->nengines)
+ idx = 0;
+ } while (!__igt_timeout(end_time, NULL));
+
+ return err;
+}
+
+static int s_sync1(void *arg)
+{
+ struct perf_series *ps = arg;
+ struct i915_request *prev = NULL;
+ IGT_TIMEOUT(end_time);
+ unsigned int idx = 0;
+ int err = 0;
+
+ GEM_BUG_ON(!ps->nengines);
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ps->ce[idx]);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ if (prev && i915_request_wait(prev, 0, HZ / 5) < 0)
+ err = -ETIME;
+ i915_request_put(prev);
+ prev = rq;
+ if (err)
+ break;
+
+ if (++idx == ps->nengines)
+ idx = 0;
+ } while (!__igt_timeout(end_time, NULL));
+ i915_request_put(prev);
+
+ return err;
+}
+
+static int s_many(void *arg)
+{
+ struct perf_series *ps = arg;
+ IGT_TIMEOUT(end_time);
+ unsigned int idx = 0;
+
+ GEM_BUG_ON(!ps->nengines);
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ps->ce[idx]);
+ if (IS_ERR(rq))
+ return PTR_ERR(rq);
+
+ i915_request_add(rq);
+
+ if (++idx == ps->nengines)
+ idx = 0;
+ } while (!__igt_timeout(end_time, NULL));
+
+ return 0;
+}
+
+static int perf_series_engines(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ static int (* const func[])(void *arg) = {
+ s_sync0,
+ s_sync1,
+ s_many,
+ NULL,
+ };
+ const unsigned int nengines = num_uabi_engines(i915);
+ struct intel_engine_cs *engine;
+ int (* const *fn)(void *arg);
+ struct pm_qos_request qos;
+ struct perf_stats *stats;
+ struct perf_series *ps;
+ unsigned int idx;
+ int err = 0;
+
+ stats = kcalloc(nengines, sizeof(*stats), GFP_KERNEL);
+ if (!stats)
+ return -ENOMEM;
+
+ ps = kzalloc(struct_size(ps, ce, nengines), GFP_KERNEL);
+ if (!ps) {
+ kfree(stats);
+ return -ENOMEM;
+ }
+
+ cpu_latency_qos_add_request(&qos, 0); /* disable cstates */
+
+ ps->i915 = i915;
+ ps->nengines = nengines;
+
+ idx = 0;
+ for_each_uabi_engine(engine, i915) {
+ struct intel_context *ce;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce))
+ goto out;
+
+ err = intel_context_pin(ce);
+ if (err) {
+ intel_context_put(ce);
+ goto out;
+ }
+
+ ps->ce[idx++] = ce;
+ }
+ GEM_BUG_ON(idx != ps->nengines);
+
+ for (fn = func; *fn && !err; fn++) {
+ char name[KSYM_NAME_LEN];
+ struct igt_live_test t;
+
+ snprintf(name, sizeof(name), "%ps", *fn);
+ err = igt_live_test_begin(&t, i915, __func__, name);
+ if (err)
+ break;
+
+ for (idx = 0; idx < nengines; idx++) {
+ struct perf_stats *p =
+ memset(&stats[idx], 0, sizeof(stats[idx]));
+ struct intel_context *ce = ps->ce[idx];
+
+ p->engine = ps->ce[idx]->engine;
+ intel_engine_pm_get(p->engine);
+
+ if (intel_engine_supports_stats(p->engine))
+ p->busy = intel_engine_get_busy_time(p->engine) + 1;
+ p->runtime = -intel_context_get_total_runtime_ns(ce);
+ p->time = ktime_get();
+ }
+
+ err = (*fn)(ps);
+ if (igt_live_test_end(&t))
+ err = -EIO;
+
+ for (idx = 0; idx < nengines; idx++) {
+ struct perf_stats *p = &stats[idx];
+ struct intel_context *ce = ps->ce[idx];
+ int integer, decimal;
+ u64 busy, dt;
+
+ p->time = ktime_sub(ktime_get(), p->time);
+ if (p->busy) {
+ p->busy = ktime_sub(intel_engine_get_busy_time(p->engine),
+ p->busy - 1);
+ }
+
+ err = switch_to_kernel_sync(ce, err);
+ p->runtime += intel_context_get_total_runtime_ns(ce);
+ intel_engine_pm_put(p->engine);
+
+ busy = 100 * ktime_to_ns(p->busy);
+ dt = ktime_to_ns(p->time);
+ if (dt) {
+ integer = div64_u64(busy, dt);
+ busy -= integer * dt;
+ decimal = div64_u64(100 * busy, dt);
+ } else {
+ integer = 0;
+ decimal = 0;
+ }
+
+ pr_info("%s %5s: { seqno:%d, busy:%d.%02d%%, runtime:%lldms, walltime:%lldms }\n",
+ name, p->engine->name, ce->timeline->seqno,
+ integer, decimal,
+ div_u64(p->runtime, 1000 * 1000),
+ div_u64(ktime_to_ns(p->time), 1000 * 1000));
+ }
+ }
+
+out:
+ for (idx = 0; idx < nengines; idx++) {
+ if (IS_ERR_OR_NULL(ps->ce[idx]))
+ break;
+
+ intel_context_unpin(ps->ce[idx]);
+ intel_context_put(ps->ce[idx]);
+ }
+ kfree(ps);
+
+ cpu_latency_qos_remove_request(&qos);
+ kfree(stats);
+ return err;
+}
+
+static int p_sync0(void *arg)
+{
+ struct perf_stats *p = arg;
+ struct intel_engine_cs *engine = p->engine;
+ struct intel_context *ce;
+ IGT_TIMEOUT(end_time);
+ unsigned long count;
+ bool busy;
+ int err = 0;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce))
+ return PTR_ERR(ce);
+
+ err = intel_context_pin(ce);
+ if (err) {
+ intel_context_put(ce);
+ return err;
+ }
+
+ busy = false;
+ if (intel_engine_supports_stats(engine)) {
+ p->busy = intel_engine_get_busy_time(engine);
+ busy = true;
+ }
+
+ p->time = ktime_get();
+ count = 0;
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ce);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ err = 0;
+ if (i915_request_wait(rq, 0, HZ / 5) < 0)
+ err = -ETIME;
+ i915_request_put(rq);
+ if (err)
+ break;
+
+ count++;
+ } while (!__igt_timeout(end_time, NULL));
+ p->time = ktime_sub(ktime_get(), p->time);
+
+ if (busy) {
+ p->busy = ktime_sub(intel_engine_get_busy_time(engine),
+ p->busy);
+ }
+
+ err = switch_to_kernel_sync(ce, err);
+ p->runtime = intel_context_get_total_runtime_ns(ce);
+ p->count = count;
+
+ intel_context_unpin(ce);
+ intel_context_put(ce);
+ return err;
+}
+
+static int p_sync1(void *arg)
+{
+ struct perf_stats *p = arg;
+ struct intel_engine_cs *engine = p->engine;
+ struct i915_request *prev = NULL;
+ struct intel_context *ce;
+ IGT_TIMEOUT(end_time);
+ unsigned long count;
+ bool busy;
+ int err = 0;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce))
+ return PTR_ERR(ce);
+
+ err = intel_context_pin(ce);
+ if (err) {
+ intel_context_put(ce);
+ return err;
+ }
+
+ busy = false;
+ if (intel_engine_supports_stats(engine)) {
+ p->busy = intel_engine_get_busy_time(engine);
+ busy = true;
+ }
+
+ p->time = ktime_get();
+ count = 0;
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ce);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_get(rq);
+ i915_request_add(rq);
+
+ err = 0;
+ if (prev && i915_request_wait(prev, 0, HZ / 5) < 0)
+ err = -ETIME;
+ i915_request_put(prev);
+ prev = rq;
+ if (err)
+ break;
+
+ count++;
+ } while (!__igt_timeout(end_time, NULL));
+ i915_request_put(prev);
+ p->time = ktime_sub(ktime_get(), p->time);
+
+ if (busy) {
+ p->busy = ktime_sub(intel_engine_get_busy_time(engine),
+ p->busy);
+ }
+
+ err = switch_to_kernel_sync(ce, err);
+ p->runtime = intel_context_get_total_runtime_ns(ce);
+ p->count = count;
+
+ intel_context_unpin(ce);
+ intel_context_put(ce);
+ return err;
+}
+
+static int p_many(void *arg)
+{
+ struct perf_stats *p = arg;
+ struct intel_engine_cs *engine = p->engine;
+ struct intel_context *ce;
+ IGT_TIMEOUT(end_time);
+ unsigned long count;
+ int err = 0;
+ bool busy;
+
+ ce = intel_context_create(engine);
+ if (IS_ERR(ce))
+ return PTR_ERR(ce);
+
+ err = intel_context_pin(ce);
+ if (err) {
+ intel_context_put(ce);
+ return err;
+ }
+
+ busy = false;
+ if (intel_engine_supports_stats(engine)) {
+ p->busy = intel_engine_get_busy_time(engine);
+ busy = true;
+ }
+
+ count = 0;
+ p->time = ktime_get();
+ do {
+ struct i915_request *rq;
+
+ rq = i915_request_create(ce);
+ if (IS_ERR(rq)) {
+ err = PTR_ERR(rq);
+ break;
+ }
+
+ i915_request_add(rq);
+ count++;
+ } while (!__igt_timeout(end_time, NULL));
+ p->time = ktime_sub(ktime_get(), p->time);
+
+ if (busy) {
+ p->busy = ktime_sub(intel_engine_get_busy_time(engine),
+ p->busy);
+ }
+
+ err = switch_to_kernel_sync(ce, err);
+ p->runtime = intel_context_get_total_runtime_ns(ce);
+ p->count = count;
+
+ intel_context_unpin(ce);
+ intel_context_put(ce);
+ return err;
+}
+
+static int perf_parallel_engines(void *arg)
+{
+ struct drm_i915_private *i915 = arg;
+ static int (* const func[])(void *arg) = {
+ p_sync0,
+ p_sync1,
+ p_many,
+ NULL,
+ };
+ const unsigned int nengines = num_uabi_engines(i915);
+ struct intel_engine_cs *engine;
+ int (* const *fn)(void *arg);
+ struct pm_qos_request qos;
+ struct {
+ struct perf_stats p;
+ struct task_struct *tsk;
+ } *engines;
+ int err = 0;
+
+ engines = kcalloc(nengines, sizeof(*engines), GFP_KERNEL);
+ if (!engines)
+ return -ENOMEM;
+
+ cpu_latency_qos_add_request(&qos, 0);
+
+ for (fn = func; *fn; fn++) {
+ char name[KSYM_NAME_LEN];
+ struct igt_live_test t;
+ unsigned int idx;
+
+ snprintf(name, sizeof(name), "%ps", *fn);
+ err = igt_live_test_begin(&t, i915, __func__, name);
+ if (err)
+ break;
+
+ atomic_set(&i915->selftest.counter, nengines);
+
+ idx = 0;
+ for_each_uabi_engine(engine, i915) {
+ intel_engine_pm_get(engine);
+
+ memset(&engines[idx].p, 0, sizeof(engines[idx].p));
+ engines[idx].p.engine = engine;
+
+ engines[idx].tsk = kthread_run(*fn, &engines[idx].p,
+ "igt:%s", engine->name);
+ if (IS_ERR(engines[idx].tsk)) {
+ err = PTR_ERR(engines[idx].tsk);
+ intel_engine_pm_put(engine);
+ break;
+ }
+ get_task_struct(engines[idx++].tsk);
+ }
+
+ yield(); /* start all threads before we kthread_stop() */
+
+ idx = 0;
+ for_each_uabi_engine(engine, i915) {
+ int status;
+
+ if (IS_ERR(engines[idx].tsk))
+ break;
+
+ status = kthread_stop(engines[idx].tsk);
+ if (status && !err)
+ err = status;
+
+ intel_engine_pm_put(engine);
+ put_task_struct(engines[idx++].tsk);
+ }
+
+ if (igt_live_test_end(&t))
+ err = -EIO;
+ if (err)
+ break;
+
+ idx = 0;
+ for_each_uabi_engine(engine, i915) {
+ struct perf_stats *p = &engines[idx].p;
+ u64 busy = 100 * ktime_to_ns(p->busy);
+ u64 dt = ktime_to_ns(p->time);
+ int integer, decimal;
+
+ if (dt) {
+ integer = div64_u64(busy, dt);
+ busy -= integer * dt;
+ decimal = div64_u64(100 * busy, dt);
+ } else {
+ integer = 0;
+ decimal = 0;
+ }
+
+ GEM_BUG_ON(engine != p->engine);
+ pr_info("%s %5s: { count:%lu, busy:%d.%02d%%, runtime:%lldms, walltime:%lldms }\n",
+ name, engine->name, p->count, integer, decimal,
+ div_u64(p->runtime, 1000 * 1000),
+ div_u64(ktime_to_ns(p->time), 1000 * 1000));
+ idx++;
+ }
+ }
+
+ cpu_latency_qos_remove_request(&qos);
+ kfree(engines);
+ return err;
+}
+
+int i915_request_perf_selftests(struct drm_i915_private *i915)
+{
+ static const struct i915_subtest tests[] = {
+ SUBTEST(perf_series_engines),
+ SUBTEST(perf_parallel_engines),
+ };
+
+ if (intel_gt_is_wedged(&i915->gt))
+ return 0;
+
+ return i915_subtests(tests, i915);
+}
diff --git a/drivers/gpu/drm/i915/selftests/i915_selftest.c b/drivers/gpu/drm/i915/selftests/i915_selftest.c
index d3bf9eefb682..1bc11c09faef 100644
--- a/drivers/gpu/drm/i915/selftests/i915_selftest.c
+++ b/drivers/gpu/drm/i915/selftests/i915_selftest.c
@@ -396,6 +396,35 @@ bool __igt_timeout(unsigned long timeout, const char *fmt, ...)
return true;
}
+void igt_hexdump(const void *buf, size_t len)
+{
+ const size_t rowsize = 8 * sizeof(u32);
+ const void *prev = NULL;
+ bool skip = false;
+ size_t pos;
+
+ for (pos = 0; pos < len; pos += rowsize) {
+ char line[128];
+
+ if (prev && !memcmp(prev, buf + pos, rowsize)) {
+ if (!skip) {
+ pr_info("*\n");
+ skip = true;
+ }
+ continue;
+ }
+
+ WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos,
+ rowsize, sizeof(u32),
+ line, sizeof(line),
+ false) >= sizeof(line));
+ pr_info("[%04zx] %s\n", pos, line);
+
+ prev = buf + pos;
+ skip = false;
+ }
+}
+
module_param_named(st_random_seed, i915_selftest.random_seed, uint, 0400);
module_param_named(st_timeout, i915_selftest.timeout_ms, uint, 0400);
module_param_named(st_filter, i915_selftest.filter, charp, 0400);
diff --git a/drivers/gpu/drm/i915/selftests/i915_vma.c b/drivers/gpu/drm/i915/selftests/i915_vma.c
index 58b5f40a07dd..af89c7fc8f59 100644
--- a/drivers/gpu/drm/i915/selftests/i915_vma.c
+++ b/drivers/gpu/drm/i915/selftests/i915_vma.c
@@ -173,7 +173,7 @@ static int igt_vma_create(void *arg)
}
nc = 0;
- for_each_prime_number(num_ctx, 2 * NUM_CONTEXT_TAG) {
+ for_each_prime_number(num_ctx, 2 * BITS_PER_LONG) {
for (; nc < num_ctx; nc++) {
ctx = mock_context(i915, "mock");
if (!ctx)
diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.c b/drivers/gpu/drm/i915/selftests/igt_spinner.c
index 9ad4ab088466..e35ba5f9e73f 100644
--- a/drivers/gpu/drm/i915/selftests/igt_spinner.c
+++ b/drivers/gpu/drm/i915/selftests/igt_spinner.c
@@ -169,8 +169,7 @@ igt_spinner_create_request(struct igt_spinner *spin,
intel_gt_chipset_flush(engine->gt);
- if (engine->emit_init_breadcrumb &&
- i915_request_timeline(rq)->has_initial_breadcrumb) {
+ if (engine->emit_init_breadcrumb) {
err = engine->emit_init_breadcrumb(rq);
if (err)
goto cancel_rq;
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
index 2a1d4ba1f9f3..6e80d99048e4 100644
--- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c
@@ -594,8 +594,11 @@ create_region_for_mapping(struct intel_memory_region *mr, u64 size, u32 type,
void *addr;
obj = i915_gem_object_create_region(mr, size, 0);
- if (IS_ERR(obj))
+ if (IS_ERR(obj)) {
+ if (PTR_ERR(obj) == -ENOSPC) /* Stolen memory */
+ return ERR_PTR(-ENODEV);
return obj;
+ }
addr = i915_gem_object_pin_map(obj, type);
if (IS_ERR(addr)) {
diff --git a/drivers/gpu/drm/i915/selftests/librapl.c b/drivers/gpu/drm/i915/selftests/librapl.c
new file mode 100644
index 000000000000..58710ac3f979
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/librapl.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#include <asm/msr.h>
+
+#include "librapl.h"
+
+u64 librapl_energy_uJ(void)
+{
+ unsigned long long power;
+ u32 units;
+
+ if (rdmsrl_safe(MSR_RAPL_POWER_UNIT, &power))
+ return 0;
+
+ units = (power & 0x1f00) >> 8;
+
+ if (rdmsrl_safe(MSR_PP1_ENERGY_STATUS, &power))
+ return 0;
+
+ return (1000000 * power) >> units; /* convert to uJ */
+}
diff --git a/drivers/gpu/drm/i915/selftests/librapl.h b/drivers/gpu/drm/i915/selftests/librapl.h
new file mode 100644
index 000000000000..887f3e91dd05
--- /dev/null
+++ b/drivers/gpu/drm/i915/selftests/librapl.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2020 Intel Corporation
+ */
+
+#ifndef SELFTEST_LIBRAPL_H
+#define SELFTEST_LIBRAPL_H
+
+#include <linux/types.h>
+
+u64 librapl_energy_uJ(void);
+
+#endif /* SELFTEST_LIBRAPL_H */
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 754d0eb6beaa..9b105b811f1f 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -25,6 +25,8 @@
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
+#include <drm/drm_managed.h>
+
#include "gt/intel_gt.h"
#include "gt/intel_gt_requests.h"
#include "gt/mock_engine.h"
@@ -55,6 +57,9 @@ static void mock_device_release(struct drm_device *dev)
{
struct drm_i915_private *i915 = to_i915(dev);
+ if (!i915->do_release)
+ goto out;
+
mock_device_flush(i915);
intel_gt_driver_remove(&i915->gt);
@@ -71,8 +76,9 @@ static void mock_device_release(struct drm_device *dev)
drm_mode_config_cleanup(&i915->drm);
- drm_dev_fini(&i915->drm);
+out:
put_device(&i915->drm.pdev->dev);
+ i915->drm.pdev = NULL;
}
static struct drm_driver mock_driver = {
@@ -114,9 +120,14 @@ struct drm_i915_private *mock_gem_device(void)
struct pci_dev *pdev;
int err;
- pdev = kzalloc(sizeof(*pdev) + sizeof(*i915), GFP_KERNEL);
+ pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
if (!pdev)
- goto err;
+ return NULL;
+ i915 = kzalloc(sizeof(*i915), GFP_KERNEL);
+ if (!i915) {
+ kfree(pdev);
+ return NULL;
+ }
device_initialize(&pdev->dev);
pdev->class = PCI_BASE_CLASS_DISPLAY << 16;
@@ -129,7 +140,6 @@ struct drm_i915_private *mock_gem_device(void)
pdev->dev.archdata.iommu = (void *)-1;
#endif
- i915 = (struct drm_i915_private *)(pdev + 1);
pci_set_drvdata(pdev, i915);
dev_pm_domain_set(&pdev->dev, &pm_domain);
@@ -141,9 +151,13 @@ struct drm_i915_private *mock_gem_device(void)
err = drm_dev_init(&i915->drm, &mock_driver, &pdev->dev);
if (err) {
pr_err("Failed to initialise mock GEM device: err=%d\n", err);
- goto put_device;
+ put_device(&pdev->dev);
+ kfree(i915);
+
+ return NULL;
}
i915->drm.pdev = pdev;
+ drmm_add_final_kfree(&i915->drm, i915);
intel_runtime_pm_init_early(&i915->runtime_pm);
@@ -178,16 +192,18 @@ struct drm_i915_private *mock_gem_device(void)
mkwrite_device_info(i915)->engine_mask = BIT(0);
- i915->engine[RCS0] = mock_engine(i915, "mock", RCS0);
- if (!i915->engine[RCS0])
+ i915->gt.engine[RCS0] = mock_engine(i915, "mock", RCS0);
+ if (!i915->gt.engine[RCS0])
goto err_unlock;
- if (mock_engine_init(i915->engine[RCS0]))
+ if (mock_engine_init(i915->gt.engine[RCS0]))
goto err_context;
__clear_bit(I915_WEDGED, &i915->gt.reset.flags);
intel_engines_driver_register(i915);
+ i915->do_release = true;
+
return i915;
err_context:
@@ -198,9 +214,7 @@ err_drv:
intel_gt_driver_late_release(&i915->gt);
intel_memory_regions_driver_release(i915);
drm_mode_config_cleanup(&i915->drm);
- drm_dev_fini(&i915->drm);
-put_device:
- put_device(&pdev->dev);
-err:
+ drm_dev_put(&i915->drm);
+
return NULL;
}
diff --git a/drivers/gpu/drm/imx/dw_hdmi-imx.c b/drivers/gpu/drm/imx/dw_hdmi-imx.c
index f22cfbf9353e..ba4ca17fd4d8 100644
--- a/drivers/gpu/drm/imx/dw_hdmi-imx.c
+++ b/drivers/gpu/drm/imx/dw_hdmi-imx.c
@@ -18,6 +18,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_encoder.h>
#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -143,10 +144,6 @@ static const struct drm_encoder_helper_funcs dw_hdmi_imx_encoder_helper_funcs =
.atomic_check = dw_hdmi_imx_atomic_check,
};
-static const struct drm_encoder_funcs dw_hdmi_imx_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_mode_status
imx6q_hdmi_mode_valid(struct drm_connector *con,
const struct drm_display_mode *mode)
@@ -236,8 +233,7 @@ static int dw_hdmi_imx_bind(struct device *dev, struct device *master,
return ret;
drm_encoder_helper_add(encoder, &dw_hdmi_imx_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &dw_hdmi_imx_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
platform_set_drvdata(pdev, hdmi);
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index da87c70e413b..2e38f1a5cf8d 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -42,12 +42,6 @@ void imx_drm_connector_destroy(struct drm_connector *connector)
}
EXPORT_SYMBOL_GPL(imx_drm_connector_destroy);
-void imx_drm_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-EXPORT_SYMBOL_GPL(imx_drm_encoder_destroy);
-
static int imx_drm_atomic_check(struct drm_device *dev,
struct drm_atomic_state *state)
{
@@ -139,8 +133,8 @@ int imx_drm_encoder_parse_of(struct drm_device *drm,
encoder->possible_crtcs = crtc_mask;
- /* FIXME: this is the mask of outputs which can clone this output. */
- encoder->possible_clones = ~0;
+ /* FIXME: cloning support not clear, disable it all for now */
+ encoder->possible_clones = 0;
return 0;
}
diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h
index ab9c6f706eb3..c3e1a3f14d30 100644
--- a/drivers/gpu/drm/imx/imx-drm.h
+++ b/drivers/gpu/drm/imx/imx-drm.h
@@ -38,7 +38,6 @@ int imx_drm_encoder_parse_of(struct drm_device *drm,
struct drm_encoder *encoder, struct device_node *np);
void imx_drm_connector_destroy(struct drm_connector *connector);
-void imx_drm_encoder_destroy(struct drm_encoder *encoder);
int ipu_planes_assign_pre(struct drm_device *dev,
struct drm_atomic_state *state);
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 4da22a94790c..66ea68e8da87 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -26,6 +26,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -393,10 +394,6 @@ static const struct drm_connector_helper_funcs imx_ldb_connector_helper_funcs =
.best_encoder = imx_ldb_connector_best_encoder,
};
-static const struct drm_encoder_funcs imx_ldb_encoder_funcs = {
- .destroy = imx_drm_encoder_destroy,
-};
-
static const struct drm_encoder_helper_funcs imx_ldb_encoder_helper_funcs = {
.atomic_mode_set = imx_ldb_encoder_atomic_mode_set,
.enable = imx_ldb_encoder_enable,
@@ -441,8 +438,7 @@ static int imx_ldb_register(struct drm_device *drm,
}
drm_encoder_helper_add(encoder, &imx_ldb_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &imx_ldb_encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_LVDS);
if (imx_ldb_ch->bridge) {
ret = drm_bridge_attach(&imx_ldb_ch->encoder,
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index 5bbfaa2cd0f4..ee63782c77e9 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -21,6 +21,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -348,10 +349,6 @@ static const struct drm_connector_helper_funcs imx_tve_connector_helper_funcs =
.mode_valid = imx_tve_connector_mode_valid,
};
-static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
- .destroy = imx_drm_encoder_destroy,
-};
-
static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
.mode_set = imx_tve_encoder_mode_set,
.enable = imx_tve_encoder_enable,
@@ -479,8 +476,7 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve)
return ret;
drm_encoder_helper_add(&tve->encoder, &imx_tve_encoder_helper_funcs);
- drm_encoder_init(drm, &tve->encoder, &imx_tve_encoder_funcs,
- encoder_type, NULL);
+ drm_simple_encoder_init(drm, &tve->encoder, encoder_type);
drm_connector_helper_add(&tve->connector,
&imx_tve_connector_helper_funcs);
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 08fafa4bf8c2..ac916c84a631 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -18,6 +18,7 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "imx-drm.h"
@@ -256,10 +257,6 @@ static const struct drm_connector_helper_funcs imx_pd_connector_helper_funcs = {
.best_encoder = imx_pd_connector_best_encoder,
};
-static const struct drm_encoder_funcs imx_pd_encoder_funcs = {
- .destroy = imx_drm_encoder_destroy,
-};
-
static const struct drm_bridge_funcs imx_pd_bridge_funcs = {
.enable = imx_pd_bridge_enable,
.disable = imx_pd_bridge_disable,
@@ -288,8 +285,7 @@ static int imx_pd_register(struct drm_device *drm,
*/
imxpd->connector.dpms = DRM_MODE_DPMS_OFF;
- drm_encoder_init(drm, encoder, &imx_pd_encoder_funcs,
- DRM_MODE_ENCODER_NONE, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_NONE);
imxpd->bridge.funcs = &imx_pd_bridge_funcs;
drm_bridge_attach(encoder, &imxpd->bridge, NULL, 0);
diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
index 9dfe7cb530e1..55b49a31729b 100644
--- a/drivers/gpu/drm/ingenic/ingenic-drm.c
+++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
@@ -23,11 +23,13 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_irq.h>
+#include <drm/drm_managed.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_plane.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/drm_vblank.h>
#define JZ_REG_LCD_CFG 0x00
@@ -328,8 +330,8 @@ static int ingenic_drm_crtc_atomic_check(struct drm_crtc *crtc,
if (!drm_atomic_crtc_needs_modeset(state))
return 0;
- if (state->mode.hdisplay > priv->soc_info->max_height ||
- state->mode.vdisplay > priv->soc_info->max_width)
+ if (state->mode.hdisplay > priv->soc_info->max_width ||
+ state->mode.vdisplay > priv->soc_info->max_height)
return -EINVAL;
rate = clk_round_rate(priv->pix_clk,
@@ -474,7 +476,7 @@ static int ingenic_drm_encoder_atomic_check(struct drm_encoder *encoder,
static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg)
{
- struct ingenic_drm *priv = arg;
+ struct ingenic_drm *priv = drm_device_get_priv(arg);
unsigned int state;
regmap_read(priv->map, JZ_REG_LCD_STATE, &state);
@@ -488,15 +490,6 @@ static irqreturn_t ingenic_drm_irq_handler(int irq, void *arg)
return IRQ_HANDLED;
}
-static void ingenic_drm_release(struct drm_device *drm)
-{
- struct ingenic_drm *priv = drm_device_get_priv(drm);
-
- drm_mode_config_cleanup(drm);
- drm_dev_fini(drm);
- kfree(priv);
-}
-
static int ingenic_drm_enable_vblank(struct drm_crtc *crtc)
{
struct ingenic_drm *priv = drm_crtc_get_priv(crtc);
@@ -540,7 +533,6 @@ static struct drm_driver ingenic_drm_driver_data = {
.gem_prime_mmap = drm_gem_cma_prime_mmap,
.irq_handler = ingenic_drm_irq_handler,
- .release = ingenic_drm_release,
};
static const struct drm_plane_funcs ingenic_drm_primary_plane_funcs = {
@@ -592,10 +584,6 @@ static const struct drm_mode_config_funcs ingenic_drm_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
-static const struct drm_encoder_funcs ingenic_drm_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void ingenic_drm_free_dma_hwdesc(void *d)
{
struct ingenic_drm *priv = d;
@@ -623,24 +611,21 @@ static int ingenic_drm_probe(struct platform_device *pdev)
return -EINVAL;
}
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ priv = devm_drm_dev_alloc(dev, &ingenic_drm_driver_data,
+ struct ingenic_drm, drm);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
priv->soc_info = soc_info;
priv->dev = dev;
drm = &priv->drm;
- drm->dev_private = priv;
platform_set_drvdata(pdev, priv);
- ret = devm_drm_dev_init(dev, drm, &ingenic_drm_driver_data);
- if (ret) {
- kfree(priv);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
return ret;
- }
- drm_mode_config_init(drm);
drm->mode_config.min_width = 0;
drm->mode_config.min_height = 0;
drm->mode_config.max_width = soc_info->max_width;
@@ -661,10 +646,8 @@ static int ingenic_drm_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "Failed to get platform irq");
+ if (irq < 0)
return irq;
- }
if (soc_info->needs_dev_clk) {
priv->lcd_clk = devm_clk_get(dev, "lcd");
@@ -730,8 +713,8 @@ static int ingenic_drm_probe(struct platform_device *pdev)
drm_encoder_helper_add(&priv->encoder,
&ingenic_drm_encoder_helper_funcs);
- ret = drm_encoder_init(drm, &priv->encoder, &ingenic_drm_encoder_funcs,
- DRM_MODE_ENCODER_DPI, NULL);
+ ret = drm_simple_encoder_init(drm, &priv->encoder,
+ DRM_MODE_ENCODER_DPI);
if (ret) {
dev_err(dev, "Failed to init encoder: %i", ret);
return ret;
@@ -791,9 +774,7 @@ static int ingenic_drm_probe(struct platform_device *pdev)
goto err_devclk_disable;
}
- ret = drm_fbdev_generic_setup(drm, 32);
- if (ret)
- dev_warn(dev, "Unable to start fbdev emulation: %i", ret);
+ drm_fbdev_generic_setup(drm, 32);
return 0;
@@ -843,6 +824,7 @@ static const struct of_device_id ingenic_drm_of_match[] = {
{ .compatible = "ingenic,jz4770-lcd", .data = &jz4770_soc_info },
{ /* sentinel */ },
};
+MODULE_DEVICE_TABLE(of, ingenic_drm_of_match);
static struct platform_driver ingenic_drm_driver = {
.driver = {
diff --git a/drivers/gpu/drm/lima/Kconfig b/drivers/gpu/drm/lima/Kconfig
index d589f09d04d9..fa1d4f5df31e 100644
--- a/drivers/gpu/drm/lima/Kconfig
+++ b/drivers/gpu/drm/lima/Kconfig
@@ -10,5 +10,7 @@ config DRM_LIMA
depends on OF
select DRM_SCHED
select DRM_GEM_SHMEM_HELPER
+ select PM_DEVFREQ
+ select DEVFREQ_GOV_SIMPLE_ONDEMAND
help
DRM driver for ARM Mali 400/450 GPUs.
diff --git a/drivers/gpu/drm/lima/Makefile b/drivers/gpu/drm/lima/Makefile
index a85444b0a1d4..ca2097b8e1ad 100644
--- a/drivers/gpu/drm/lima/Makefile
+++ b/drivers/gpu/drm/lima/Makefile
@@ -14,6 +14,8 @@ lima-y := \
lima_sched.o \
lima_ctx.o \
lima_dlbu.o \
- lima_bcast.o
+ lima_bcast.o \
+ lima_trace.o \
+ lima_devfreq.o
obj-$(CONFIG_DRM_LIMA) += lima.o
diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c
index 288398027bfa..fbc43f243c54 100644
--- a/drivers/gpu/drm/lima/lima_bcast.c
+++ b/drivers/gpu/drm/lima/lima_bcast.c
@@ -26,18 +26,33 @@ void lima_bcast_enable(struct lima_device *dev, int num_pp)
bcast_write(LIMA_BCAST_BROADCAST_MASK, mask);
}
+static int lima_bcast_hw_init(struct lima_ip *ip)
+{
+ bcast_write(LIMA_BCAST_BROADCAST_MASK, ip->data.mask << 16);
+ bcast_write(LIMA_BCAST_INTERRUPT_MASK, ip->data.mask);
+ return 0;
+}
+
+int lima_bcast_resume(struct lima_ip *ip)
+{
+ return lima_bcast_hw_init(ip);
+}
+
+void lima_bcast_suspend(struct lima_ip *ip)
+{
+
+}
+
int lima_bcast_init(struct lima_ip *ip)
{
- int i, mask = 0;
+ int i;
for (i = lima_ip_pp0; i <= lima_ip_pp7; i++) {
if (ip->dev->ip[i].present)
- mask |= 1 << (i - lima_ip_pp0);
+ ip->data.mask |= 1 << (i - lima_ip_pp0);
}
- bcast_write(LIMA_BCAST_BROADCAST_MASK, mask << 16);
- bcast_write(LIMA_BCAST_INTERRUPT_MASK, mask);
- return 0;
+ return lima_bcast_hw_init(ip);
}
void lima_bcast_fini(struct lima_ip *ip)
diff --git a/drivers/gpu/drm/lima/lima_bcast.h b/drivers/gpu/drm/lima/lima_bcast.h
index c47e58563d0a..465ee587bceb 100644
--- a/drivers/gpu/drm/lima/lima_bcast.h
+++ b/drivers/gpu/drm/lima/lima_bcast.h
@@ -6,6 +6,8 @@
struct lima_ip;
+int lima_bcast_resume(struct lima_ip *ip);
+void lima_bcast_suspend(struct lima_ip *ip);
int lima_bcast_init(struct lima_ip *ip);
void lima_bcast_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_ctx.c b/drivers/gpu/drm/lima/lima_ctx.c
index 22fff6caa961..891d5cd5019a 100644
--- a/drivers/gpu/drm/lima/lima_ctx.c
+++ b/drivers/gpu/drm/lima/lima_ctx.c
@@ -27,6 +27,9 @@ int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id)
if (err < 0)
goto err_out0;
+ ctx->pid = task_pid_nr(current);
+ get_task_comm(ctx->pname, current);
+
return 0;
err_out0:
diff --git a/drivers/gpu/drm/lima/lima_ctx.h b/drivers/gpu/drm/lima/lima_ctx.h
index 6154e5c9bfe4..74e2be09090f 100644
--- a/drivers/gpu/drm/lima/lima_ctx.h
+++ b/drivers/gpu/drm/lima/lima_ctx.h
@@ -5,6 +5,7 @@
#define __LIMA_CTX_H__
#include <linux/xarray.h>
+#include <linux/sched.h>
#include "lima_device.h"
@@ -13,6 +14,10 @@ struct lima_ctx {
struct lima_device *dev;
struct lima_sched_context context[lima_pipe_num];
atomic_t guilty;
+
+ /* debug info */
+ char pname[TASK_COMM_LEN];
+ pid_t pid;
};
struct lima_ctx_mgr {
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c
new file mode 100644
index 000000000000..bbe02817721b
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_devfreq.c
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+ *
+ * Based on panfrost_devfreq.c:
+ * Copyright 2019 Collabora ltd.
+ */
+#include <linux/clk.h>
+#include <linux/devfreq.h>
+#include <linux/devfreq_cooling.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <linux/property.h>
+
+#include "lima_device.h"
+#include "lima_devfreq.h"
+
+static void lima_devfreq_update_utilization(struct lima_devfreq *devfreq)
+{
+ ktime_t now, last;
+
+ now = ktime_get();
+ last = devfreq->time_last_update;
+
+ if (devfreq->busy_count > 0)
+ devfreq->busy_time += ktime_sub(now, last);
+ else
+ devfreq->idle_time += ktime_sub(now, last);
+
+ devfreq->time_last_update = now;
+}
+
+static int lima_devfreq_target(struct device *dev, unsigned long *freq,
+ u32 flags)
+{
+ struct dev_pm_opp *opp;
+ int err;
+
+ opp = devfreq_recommended_opp(dev, freq, flags);
+ if (IS_ERR(opp))
+ return PTR_ERR(opp);
+ dev_pm_opp_put(opp);
+
+ err = dev_pm_opp_set_rate(dev, *freq);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static void lima_devfreq_reset(struct lima_devfreq *devfreq)
+{
+ devfreq->busy_time = 0;
+ devfreq->idle_time = 0;
+ devfreq->time_last_update = ktime_get();
+}
+
+static int lima_devfreq_get_dev_status(struct device *dev,
+ struct devfreq_dev_status *status)
+{
+ struct lima_device *ldev = dev_get_drvdata(dev);
+ struct lima_devfreq *devfreq = &ldev->devfreq;
+ unsigned long irqflags;
+
+ status->current_frequency = clk_get_rate(ldev->clk_gpu);
+
+ spin_lock_irqsave(&devfreq->lock, irqflags);
+
+ lima_devfreq_update_utilization(devfreq);
+
+ status->total_time = ktime_to_ns(ktime_add(devfreq->busy_time,
+ devfreq->idle_time));
+ status->busy_time = ktime_to_ns(devfreq->busy_time);
+
+ lima_devfreq_reset(devfreq);
+
+ spin_unlock_irqrestore(&devfreq->lock, irqflags);
+
+ dev_dbg(ldev->dev, "busy %lu total %lu %lu %% freq %lu MHz\n",
+ status->busy_time, status->total_time,
+ status->busy_time / (status->total_time / 100),
+ status->current_frequency / 1000 / 1000);
+
+ return 0;
+}
+
+static struct devfreq_dev_profile lima_devfreq_profile = {
+ .polling_ms = 50, /* ~3 frames */
+ .target = lima_devfreq_target,
+ .get_dev_status = lima_devfreq_get_dev_status,
+};
+
+void lima_devfreq_fini(struct lima_device *ldev)
+{
+ struct lima_devfreq *devfreq = &ldev->devfreq;
+
+ if (devfreq->cooling) {
+ devfreq_cooling_unregister(devfreq->cooling);
+ devfreq->cooling = NULL;
+ }
+
+ if (devfreq->devfreq) {
+ devm_devfreq_remove_device(ldev->dev, devfreq->devfreq);
+ devfreq->devfreq = NULL;
+ }
+
+ if (devfreq->opp_of_table_added) {
+ dev_pm_opp_of_remove_table(ldev->dev);
+ devfreq->opp_of_table_added = false;
+ }
+
+ if (devfreq->regulators_opp_table) {
+ dev_pm_opp_put_regulators(devfreq->regulators_opp_table);
+ devfreq->regulators_opp_table = NULL;
+ }
+
+ if (devfreq->clkname_opp_table) {
+ dev_pm_opp_put_clkname(devfreq->clkname_opp_table);
+ devfreq->clkname_opp_table = NULL;
+ }
+}
+
+int lima_devfreq_init(struct lima_device *ldev)
+{
+ struct thermal_cooling_device *cooling;
+ struct device *dev = ldev->dev;
+ struct opp_table *opp_table;
+ struct devfreq *devfreq;
+ struct lima_devfreq *ldevfreq = &ldev->devfreq;
+ struct dev_pm_opp *opp;
+ unsigned long cur_freq;
+ int ret;
+
+ if (!device_property_present(dev, "operating-points-v2"))
+ /* Optional, continue without devfreq */
+ return 0;
+
+ spin_lock_init(&ldevfreq->lock);
+
+ opp_table = dev_pm_opp_set_clkname(dev, "core");
+ if (IS_ERR(opp_table)) {
+ ret = PTR_ERR(opp_table);
+ goto err_fini;
+ }
+
+ ldevfreq->clkname_opp_table = opp_table;
+
+ opp_table = dev_pm_opp_set_regulators(dev,
+ (const char *[]){ "mali" },
+ 1);
+ if (IS_ERR(opp_table)) {
+ ret = PTR_ERR(opp_table);
+
+ /* Continue if the optional regulator is missing */
+ if (ret != -ENODEV)
+ goto err_fini;
+ } else {
+ ldevfreq->regulators_opp_table = opp_table;
+ }
+
+ ret = dev_pm_opp_of_add_table(dev);
+ if (ret)
+ goto err_fini;
+ ldevfreq->opp_of_table_added = true;
+
+ lima_devfreq_reset(ldevfreq);
+
+ cur_freq = clk_get_rate(ldev->clk_gpu);
+
+ opp = devfreq_recommended_opp(dev, &cur_freq, 0);
+ if (IS_ERR(opp)) {
+ ret = PTR_ERR(opp);
+ goto err_fini;
+ }
+
+ lima_devfreq_profile.initial_freq = cur_freq;
+ dev_pm_opp_put(opp);
+
+ devfreq = devm_devfreq_add_device(dev, &lima_devfreq_profile,
+ DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
+ if (IS_ERR(devfreq)) {
+ dev_err(dev, "Couldn't initialize GPU devfreq\n");
+ ret = PTR_ERR(devfreq);
+ goto err_fini;
+ }
+
+ ldevfreq->devfreq = devfreq;
+
+ cooling = of_devfreq_cooling_register(dev->of_node, devfreq);
+ if (IS_ERR(cooling))
+ dev_info(dev, "Failed to register cooling device\n");
+ else
+ ldevfreq->cooling = cooling;
+
+ return 0;
+
+err_fini:
+ lima_devfreq_fini(ldev);
+ return ret;
+}
+
+void lima_devfreq_record_busy(struct lima_devfreq *devfreq)
+{
+ unsigned long irqflags;
+
+ if (!devfreq->devfreq)
+ return;
+
+ spin_lock_irqsave(&devfreq->lock, irqflags);
+
+ lima_devfreq_update_utilization(devfreq);
+
+ devfreq->busy_count++;
+
+ spin_unlock_irqrestore(&devfreq->lock, irqflags);
+}
+
+void lima_devfreq_record_idle(struct lima_devfreq *devfreq)
+{
+ unsigned long irqflags;
+
+ if (!devfreq->devfreq)
+ return;
+
+ spin_lock_irqsave(&devfreq->lock, irqflags);
+
+ lima_devfreq_update_utilization(devfreq);
+
+ WARN_ON(--devfreq->busy_count < 0);
+
+ spin_unlock_irqrestore(&devfreq->lock, irqflags);
+}
+
+int lima_devfreq_resume(struct lima_devfreq *devfreq)
+{
+ unsigned long irqflags;
+
+ if (!devfreq->devfreq)
+ return 0;
+
+ spin_lock_irqsave(&devfreq->lock, irqflags);
+
+ lima_devfreq_reset(devfreq);
+
+ spin_unlock_irqrestore(&devfreq->lock, irqflags);
+
+ return devfreq_resume_device(devfreq->devfreq);
+}
+
+int lima_devfreq_suspend(struct lima_devfreq *devfreq)
+{
+ if (!devfreq->devfreq)
+ return 0;
+
+ return devfreq_suspend_device(devfreq->devfreq);
+}
diff --git a/drivers/gpu/drm/lima/lima_devfreq.h b/drivers/gpu/drm/lima/lima_devfreq.h
new file mode 100644
index 000000000000..5eed2975a375
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_devfreq.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com> */
+
+#ifndef __LIMA_DEVFREQ_H__
+#define __LIMA_DEVFREQ_H__
+
+#include <linux/spinlock.h>
+#include <linux/ktime.h>
+
+struct devfreq;
+struct opp_table;
+struct thermal_cooling_device;
+
+struct lima_device;
+
+struct lima_devfreq {
+ struct devfreq *devfreq;
+ struct opp_table *clkname_opp_table;
+ struct opp_table *regulators_opp_table;
+ struct thermal_cooling_device *cooling;
+ bool opp_of_table_added;
+
+ ktime_t busy_time;
+ ktime_t idle_time;
+ ktime_t time_last_update;
+ int busy_count;
+ /*
+ * Protect busy_time, idle_time, time_last_update and busy_count
+ * because these can be updated concurrently, for example by the GP
+ * and PP interrupts.
+ */
+ spinlock_t lock;
+};
+
+int lima_devfreq_init(struct lima_device *ldev);
+void lima_devfreq_fini(struct lima_device *ldev);
+
+void lima_devfreq_record_busy(struct lima_devfreq *devfreq);
+void lima_devfreq_record_idle(struct lima_devfreq *devfreq);
+
+int lima_devfreq_resume(struct lima_devfreq *devfreq);
+int lima_devfreq_suspend(struct lima_devfreq *devfreq);
+
+#endif
diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c
index 19829b543024..65fdca366e41 100644
--- a/drivers/gpu/drm/lima/lima_device.c
+++ b/drivers/gpu/drm/lima/lima_device.c
@@ -25,6 +25,8 @@ struct lima_ip_desc {
int (*init)(struct lima_ip *ip);
void (*fini)(struct lima_ip *ip);
+ int (*resume)(struct lima_ip *ip);
+ void (*suspend)(struct lima_ip *ip);
};
#define LIMA_IP_DESC(ipname, mst0, mst1, off0, off1, func, irq) \
@@ -41,6 +43,8 @@ struct lima_ip_desc {
}, \
.init = lima_##func##_init, \
.fini = lima_##func##_fini, \
+ .resume = lima_##func##_resume, \
+ .suspend = lima_##func##_suspend, \
}
static struct lima_ip_desc lima_ip_desc[lima_ip_num] = {
@@ -77,26 +81,10 @@ const char *lima_ip_name(struct lima_ip *ip)
return lima_ip_desc[ip->id].name;
}
-static int lima_clk_init(struct lima_device *dev)
+static int lima_clk_enable(struct lima_device *dev)
{
int err;
- dev->clk_bus = devm_clk_get(dev->dev, "bus");
- if (IS_ERR(dev->clk_bus)) {
- err = PTR_ERR(dev->clk_bus);
- if (err != -EPROBE_DEFER)
- dev_err(dev->dev, "get bus clk failed %d\n", err);
- return err;
- }
-
- dev->clk_gpu = devm_clk_get(dev->dev, "core");
- if (IS_ERR(dev->clk_gpu)) {
- err = PTR_ERR(dev->clk_gpu);
- if (err != -EPROBE_DEFER)
- dev_err(dev->dev, "get core clk failed %d\n", err);
- return err;
- }
-
err = clk_prepare_enable(dev->clk_bus);
if (err)
return err;
@@ -105,15 +93,7 @@ static int lima_clk_init(struct lima_device *dev)
if (err)
goto error_out0;
- dev->reset = devm_reset_control_array_get_optional_shared(dev->dev);
-
- if (IS_ERR(dev->reset)) {
- err = PTR_ERR(dev->reset);
- if (err != -EPROBE_DEFER)
- dev_err(dev->dev, "get reset controller failed %d\n",
- err);
- goto error_out1;
- } else if (dev->reset != NULL) {
+ if (dev->reset) {
err = reset_control_deassert(dev->reset);
if (err) {
dev_err(dev->dev,
@@ -131,14 +111,76 @@ error_out0:
return err;
}
-static void lima_clk_fini(struct lima_device *dev)
+static void lima_clk_disable(struct lima_device *dev)
{
- if (dev->reset != NULL)
+ if (dev->reset)
reset_control_assert(dev->reset);
clk_disable_unprepare(dev->clk_gpu);
clk_disable_unprepare(dev->clk_bus);
}
+static int lima_clk_init(struct lima_device *dev)
+{
+ int err;
+
+ dev->clk_bus = devm_clk_get(dev->dev, "bus");
+ if (IS_ERR(dev->clk_bus)) {
+ err = PTR_ERR(dev->clk_bus);
+ if (err != -EPROBE_DEFER)
+ dev_err(dev->dev, "get bus clk failed %d\n", err);
+ dev->clk_bus = NULL;
+ return err;
+ }
+
+ dev->clk_gpu = devm_clk_get(dev->dev, "core");
+ if (IS_ERR(dev->clk_gpu)) {
+ err = PTR_ERR(dev->clk_gpu);
+ if (err != -EPROBE_DEFER)
+ dev_err(dev->dev, "get core clk failed %d\n", err);
+ dev->clk_gpu = NULL;
+ return err;
+ }
+
+ dev->reset = devm_reset_control_array_get_optional_shared(dev->dev);
+ if (IS_ERR(dev->reset)) {
+ err = PTR_ERR(dev->reset);
+ if (err != -EPROBE_DEFER)
+ dev_err(dev->dev, "get reset controller failed %d\n",
+ err);
+ dev->reset = NULL;
+ return err;
+ }
+
+ return lima_clk_enable(dev);
+}
+
+static void lima_clk_fini(struct lima_device *dev)
+{
+ lima_clk_disable(dev);
+}
+
+static int lima_regulator_enable(struct lima_device *dev)
+{
+ int ret;
+
+ if (!dev->regulator)
+ return 0;
+
+ ret = regulator_enable(dev->regulator);
+ if (ret < 0) {
+ dev_err(dev->dev, "failed to enable regulator: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void lima_regulator_disable(struct lima_device *dev)
+{
+ if (dev->regulator)
+ regulator_disable(dev->regulator);
+}
+
static int lima_regulator_init(struct lima_device *dev)
{
int ret;
@@ -154,25 +196,20 @@ static int lima_regulator_init(struct lima_device *dev)
return ret;
}
- ret = regulator_enable(dev->regulator);
- if (ret < 0) {
- dev_err(dev->dev, "failed to enable regulator: %d\n", ret);
- return ret;
- }
-
- return 0;
+ return lima_regulator_enable(dev);
}
static void lima_regulator_fini(struct lima_device *dev)
{
- if (dev->regulator)
- regulator_disable(dev->regulator);
+ lima_regulator_disable(dev);
}
static int lima_init_ip(struct lima_device *dev, int index)
{
+ struct platform_device *pdev = to_platform_device(dev->dev);
struct lima_ip_desc *desc = lima_ip_desc + index;
struct lima_ip *ip = dev->ip + index;
+ const char *irq_name = desc->irq_name;
int offset = desc->offset[dev->id];
bool must = desc->must_have[dev->id];
int err;
@@ -183,8 +220,9 @@ static int lima_init_ip(struct lima_device *dev, int index)
ip->dev = dev;
ip->id = index;
ip->iomem = dev->iomem + offset;
- if (desc->irq_name) {
- err = platform_get_irq_byname(dev->pdev, desc->irq_name);
+ if (irq_name) {
+ err = must ? platform_get_irq_byname(pdev, irq_name) :
+ platform_get_irq_byname_optional(pdev, irq_name);
if (err < 0)
goto out;
ip->irq = err;
@@ -209,11 +247,34 @@ static void lima_fini_ip(struct lima_device *ldev, int index)
desc->fini(ip);
}
+static int lima_resume_ip(struct lima_device *ldev, int index)
+{
+ struct lima_ip_desc *desc = lima_ip_desc + index;
+ struct lima_ip *ip = ldev->ip + index;
+ int ret = 0;
+
+ if (ip->present)
+ ret = desc->resume(ip);
+
+ return ret;
+}
+
+static void lima_suspend_ip(struct lima_device *ldev, int index)
+{
+ struct lima_ip_desc *desc = lima_ip_desc + index;
+ struct lima_ip *ip = ldev->ip + index;
+
+ if (ip->present)
+ desc->suspend(ip);
+}
+
static int lima_init_gp_pipe(struct lima_device *dev)
{
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_gp;
int err;
+ pipe->ldev = dev;
+
err = lima_sched_pipe_init(pipe, "gp");
if (err)
return err;
@@ -244,6 +305,8 @@ static int lima_init_pp_pipe(struct lima_device *dev)
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
int err, i;
+ pipe->ldev = dev;
+
err = lima_sched_pipe_init(pipe, "pp");
if (err)
return err;
@@ -290,8 +353,8 @@ static void lima_fini_pp_pipe(struct lima_device *dev)
int lima_device_init(struct lima_device *ldev)
{
+ struct platform_device *pdev = to_platform_device(ldev->dev);
int err, i;
- struct resource *res;
dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32));
@@ -322,8 +385,7 @@ int lima_device_init(struct lima_device *ldev)
} else
ldev->va_end = LIMA_VA_RESERVE_END;
- res = platform_get_resource(ldev->pdev, IORESOURCE_MEM, 0);
- ldev->iomem = devm_ioremap_resource(ldev->dev, res);
+ ldev->iomem = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ldev->iomem)) {
dev_err(ldev->dev, "fail to ioremap iomem\n");
err = PTR_ERR(ldev->iomem);
@@ -344,6 +406,12 @@ int lima_device_init(struct lima_device *ldev)
if (err)
goto err_out5;
+ ldev->dump.magic = LIMA_DUMP_MAGIC;
+ ldev->dump.version_major = LIMA_DUMP_MAJOR;
+ ldev->dump.version_minor = LIMA_DUMP_MINOR;
+ INIT_LIST_HEAD(&ldev->error_task_list);
+ mutex_init(&ldev->error_task_list_lock);
+
dev_info(ldev->dev, "bus rate = %lu\n", clk_get_rate(ldev->clk_bus));
dev_info(ldev->dev, "mod rate = %lu", clk_get_rate(ldev->clk_gpu));
@@ -370,6 +438,13 @@ err_out0:
void lima_device_fini(struct lima_device *ldev)
{
int i;
+ struct lima_sched_error_task *et, *tmp;
+
+ list_for_each_entry_safe(et, tmp, &ldev->error_task_list, list) {
+ list_del(&et->list);
+ kvfree(et);
+ }
+ mutex_destroy(&ldev->error_task_list_lock);
lima_fini_pp_pipe(ldev);
lima_fini_gp_pipe(ldev);
@@ -387,3 +462,72 @@ void lima_device_fini(struct lima_device *ldev)
lima_clk_fini(ldev);
}
+
+int lima_device_resume(struct device *dev)
+{
+ struct lima_device *ldev = dev_get_drvdata(dev);
+ int i, err;
+
+ err = lima_clk_enable(ldev);
+ if (err) {
+ dev_err(dev, "resume clk fail %d\n", err);
+ return err;
+ }
+
+ err = lima_regulator_enable(ldev);
+ if (err) {
+ dev_err(dev, "resume regulator fail %d\n", err);
+ goto err_out0;
+ }
+
+ for (i = 0; i < lima_ip_num; i++) {
+ err = lima_resume_ip(ldev, i);
+ if (err) {
+ dev_err(dev, "resume ip %d fail\n", i);
+ goto err_out1;
+ }
+ }
+
+ err = lima_devfreq_resume(&ldev->devfreq);
+ if (err) {
+ dev_err(dev, "devfreq resume fail\n");
+ goto err_out1;
+ }
+
+ return 0;
+
+err_out1:
+ while (--i >= 0)
+ lima_suspend_ip(ldev, i);
+ lima_regulator_disable(ldev);
+err_out0:
+ lima_clk_disable(ldev);
+ return err;
+}
+
+int lima_device_suspend(struct device *dev)
+{
+ struct lima_device *ldev = dev_get_drvdata(dev);
+ int i, err;
+
+ /* check any task running */
+ for (i = 0; i < lima_pipe_num; i++) {
+ if (atomic_read(&ldev->pipe[i].base.hw_rq_count))
+ return -EBUSY;
+ }
+
+ err = lima_devfreq_suspend(&ldev->devfreq);
+ if (err) {
+ dev_err(dev, "devfreq suspend fail\n");
+ return err;
+ }
+
+ for (i = lima_ip_num - 1; i >= 0; i--)
+ lima_suspend_ip(ldev, i);
+
+ lima_regulator_disable(ldev);
+
+ lima_clk_disable(ldev);
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/lima/lima_device.h b/drivers/gpu/drm/lima/lima_device.h
index 31158d86271c..41b9d7b4bcc7 100644
--- a/drivers/gpu/drm/lima/lima_device.h
+++ b/drivers/gpu/drm/lima/lima_device.h
@@ -6,8 +6,12 @@
#include <drm/drm_device.h>
#include <linux/delay.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
#include "lima_sched.h"
+#include "lima_dump.h"
+#include "lima_devfreq.h"
enum lima_gpu_id {
lima_gpu_mali400 = 0,
@@ -60,6 +64,8 @@ struct lima_ip {
bool async_reset;
/* l2 cache */
spinlock_t lock;
+ /* pmu/bcast */
+ u32 mask;
} data;
};
@@ -72,7 +78,6 @@ enum lima_pipe_id {
struct lima_device {
struct device *dev;
struct drm_device *ddev;
- struct platform_device *pdev;
enum lima_gpu_id id;
u32 gp_version;
@@ -94,6 +99,13 @@ struct lima_device {
u32 *dlbu_cpu;
dma_addr_t dlbu_dma;
+
+ struct lima_devfreq devfreq;
+
+ /* debug info */
+ struct lima_dump_head dump;
+ struct list_head error_task_list;
+ struct mutex error_task_list_lock;
};
static inline struct lima_device *
@@ -128,4 +140,7 @@ static inline int lima_poll_timeout(struct lima_ip *ip, lima_poll_func_t func,
return 0;
}
+int lima_device_suspend(struct device *dev);
+int lima_device_resume(struct device *dev);
+
#endif
diff --git a/drivers/gpu/drm/lima/lima_dlbu.c b/drivers/gpu/drm/lima/lima_dlbu.c
index 8399ceffb94b..c1d5ea35daa7 100644
--- a/drivers/gpu/drm/lima/lima_dlbu.c
+++ b/drivers/gpu/drm/lima/lima_dlbu.c
@@ -42,7 +42,7 @@ void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg)
dlbu_write(LIMA_DLBU_START_TILE_POS, reg[3]);
}
-int lima_dlbu_init(struct lima_ip *ip)
+static int lima_dlbu_hw_init(struct lima_ip *ip)
{
struct lima_device *dev = ip->dev;
@@ -52,6 +52,21 @@ int lima_dlbu_init(struct lima_ip *ip)
return 0;
}
+int lima_dlbu_resume(struct lima_ip *ip)
+{
+ return lima_dlbu_hw_init(ip);
+}
+
+void lima_dlbu_suspend(struct lima_ip *ip)
+{
+
+}
+
+int lima_dlbu_init(struct lima_ip *ip)
+{
+ return lima_dlbu_hw_init(ip);
+}
+
void lima_dlbu_fini(struct lima_ip *ip)
{
diff --git a/drivers/gpu/drm/lima/lima_dlbu.h b/drivers/gpu/drm/lima/lima_dlbu.h
index 16f877984466..be71daaaee89 100644
--- a/drivers/gpu/drm/lima/lima_dlbu.h
+++ b/drivers/gpu/drm/lima/lima_dlbu.h
@@ -12,6 +12,8 @@ void lima_dlbu_disable(struct lima_device *dev);
void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg);
+int lima_dlbu_resume(struct lima_ip *ip);
+void lima_dlbu_suspend(struct lima_ip *ip);
int lima_dlbu_init(struct lima_ip *ip);
void lima_dlbu_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_drv.c b/drivers/gpu/drm/lima/lima_drv.c
index 2daac64d8955..a831565af813 100644
--- a/drivers/gpu/drm/lima/lima_drv.c
+++ b/drivers/gpu/drm/lima/lima_drv.c
@@ -5,17 +5,20 @@
#include <linux/of_platform.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
+#include <linux/pm_runtime.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_drv.h>
#include <drm/drm_prime.h>
#include <drm/lima_drm.h>
+#include "lima_device.h"
#include "lima_drv.h"
#include "lima_gem.h"
#include "lima_vm.h"
int lima_sched_timeout_ms;
uint lima_heap_init_nr_pages = 8;
+uint lima_max_error_tasks;
MODULE_PARM_DESC(sched_timeout_ms, "task run timeout in ms");
module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444);
@@ -23,6 +26,9 @@ module_param_named(sched_timeout_ms, lima_sched_timeout_ms, int, 0444);
MODULE_PARM_DESC(heap_init_nr_pages, "heap buffer init number of pages");
module_param_named(heap_init_nr_pages, lima_heap_init_nr_pages, uint, 0444);
+MODULE_PARM_DESC(max_error_tasks, "max number of error tasks to save");
+module_param_named(max_error_tasks, lima_max_error_tasks, uint, 0644);
+
static int lima_ioctl_get_param(struct drm_device *dev, void *data, struct drm_file *file)
{
struct drm_lima_get_param *args = data;
@@ -272,6 +278,93 @@ static struct drm_driver lima_drm_driver = {
.gem_prime_mmap = drm_gem_prime_mmap,
};
+struct lima_block_reader {
+ void *dst;
+ size_t base;
+ size_t count;
+ size_t off;
+ ssize_t read;
+};
+
+static bool lima_read_block(struct lima_block_reader *reader,
+ void *src, size_t src_size)
+{
+ size_t max_off = reader->base + src_size;
+
+ if (reader->off < max_off) {
+ size_t size = min_t(size_t, max_off - reader->off,
+ reader->count);
+
+ memcpy(reader->dst, src + (reader->off - reader->base), size);
+
+ reader->dst += size;
+ reader->off += size;
+ reader->read += size;
+ reader->count -= size;
+ }
+
+ reader->base = max_off;
+
+ return !!reader->count;
+}
+
+static ssize_t lima_error_state_read(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct lima_device *ldev = dev_get_drvdata(dev);
+ struct lima_sched_error_task *et;
+ struct lima_block_reader reader = {
+ .dst = buf,
+ .count = count,
+ .off = off,
+ };
+
+ mutex_lock(&ldev->error_task_list_lock);
+
+ if (lima_read_block(&reader, &ldev->dump, sizeof(ldev->dump))) {
+ list_for_each_entry(et, &ldev->error_task_list, list) {
+ if (!lima_read_block(&reader, et->data, et->size))
+ break;
+ }
+ }
+
+ mutex_unlock(&ldev->error_task_list_lock);
+ return reader.read;
+}
+
+static ssize_t lima_error_state_write(struct file *file, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf,
+ loff_t off, size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct lima_device *ldev = dev_get_drvdata(dev);
+ struct lima_sched_error_task *et, *tmp;
+
+ mutex_lock(&ldev->error_task_list_lock);
+
+ list_for_each_entry_safe(et, tmp, &ldev->error_task_list, list) {
+ list_del(&et->list);
+ kvfree(et);
+ }
+
+ ldev->dump.size = 0;
+ ldev->dump.num_tasks = 0;
+
+ mutex_unlock(&ldev->error_task_list_lock);
+
+ return count;
+}
+
+static const struct bin_attribute lima_error_state_attr = {
+ .attr.name = "error",
+ .attr.mode = 0600,
+ .size = 0,
+ .read = lima_error_state_read,
+ .write = lima_error_state_write,
+};
+
static int lima_pdev_probe(struct platform_device *pdev)
{
struct lima_device *ldev;
@@ -288,7 +381,6 @@ static int lima_pdev_probe(struct platform_device *pdev)
goto err_out0;
}
- ldev->pdev = pdev;
ldev->dev = &pdev->dev;
ldev->id = (enum lima_gpu_id)of_device_get_match_data(&pdev->dev);
@@ -306,16 +398,34 @@ static int lima_pdev_probe(struct platform_device *pdev)
if (err)
goto err_out1;
+ err = lima_devfreq_init(ldev);
+ if (err) {
+ dev_err(&pdev->dev, "Fatal error during devfreq init\n");
+ goto err_out2;
+ }
+
+ pm_runtime_set_active(ldev->dev);
+ pm_runtime_mark_last_busy(ldev->dev);
+ pm_runtime_set_autosuspend_delay(ldev->dev, 200);
+ pm_runtime_use_autosuspend(ldev->dev);
+ pm_runtime_enable(ldev->dev);
+
/*
* Register the DRM device with the core and the connectors with
* sysfs.
*/
err = drm_dev_register(ddev, 0);
if (err < 0)
- goto err_out2;
+ goto err_out3;
+
+ if (sysfs_create_bin_file(&ldev->dev->kobj, &lima_error_state_attr))
+ dev_warn(ldev->dev, "fail to create error state sysfs\n");
return 0;
+err_out3:
+ pm_runtime_disable(ldev->dev);
+ lima_devfreq_fini(ldev);
err_out2:
lima_device_fini(ldev);
err_out1:
@@ -330,8 +440,17 @@ static int lima_pdev_remove(struct platform_device *pdev)
struct lima_device *ldev = platform_get_drvdata(pdev);
struct drm_device *ddev = ldev->ddev;
+ sysfs_remove_bin_file(&ldev->dev->kobj, &lima_error_state_attr);
+
drm_dev_unregister(ddev);
+
+ /* stop autosuspend to make sure device is in active state */
+ pm_runtime_set_autosuspend_delay(ldev->dev, -1);
+ pm_runtime_disable(ldev->dev);
+
+ lima_devfreq_fini(ldev);
lima_device_fini(ldev);
+
drm_dev_put(ddev);
lima_sched_slab_fini();
return 0;
@@ -344,26 +463,22 @@ static const struct of_device_id dt_match[] = {
};
MODULE_DEVICE_TABLE(of, dt_match);
+static const struct dev_pm_ops lima_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(lima_device_suspend, lima_device_resume, NULL)
+};
+
static struct platform_driver lima_platform_driver = {
.probe = lima_pdev_probe,
.remove = lima_pdev_remove,
.driver = {
.name = "lima",
+ .pm = &lima_pm_ops,
.of_match_table = dt_match,
},
};
-static int __init lima_init(void)
-{
- return platform_driver_register(&lima_platform_driver);
-}
-module_init(lima_init);
-
-static void __exit lima_exit(void)
-{
- platform_driver_unregister(&lima_platform_driver);
-}
-module_exit(lima_exit);
+module_platform_driver(lima_platform_driver);
MODULE_AUTHOR("Lima Project Developers");
MODULE_DESCRIPTION("Lima DRM Driver");
diff --git a/drivers/gpu/drm/lima/lima_drv.h b/drivers/gpu/drm/lima/lima_drv.h
index f492ecc6a5d9..fdbd4077c768 100644
--- a/drivers/gpu/drm/lima/lima_drv.h
+++ b/drivers/gpu/drm/lima/lima_drv.h
@@ -10,6 +10,7 @@
extern int lima_sched_timeout_ms;
extern uint lima_heap_init_nr_pages;
+extern uint lima_max_error_tasks;
struct lima_vm;
struct lima_bo;
diff --git a/drivers/gpu/drm/lima/lima_dump.h b/drivers/gpu/drm/lima/lima_dump.h
new file mode 100644
index 000000000000..ca243d99c51b
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_dump.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */
+
+#ifndef __LIMA_DUMP_H__
+#define __LIMA_DUMP_H__
+
+#include <linux/types.h>
+
+/**
+ * dump file format for all the information to start a lima task
+ *
+ * top level format
+ * | magic code "LIMA" | format version | num tasks | data size |
+ * | reserved | reserved | reserved | reserved |
+ * | task 1 ID | task 1 size | num chunks | reserved | task 1 data |
+ * | task 2 ID | task 2 size | num chunks | reserved | task 2 data |
+ * ...
+ *
+ * task data format
+ * | chunk 1 ID | chunk 1 size | reserved | reserved | chunk 1 data |
+ * | chunk 2 ID | chunk 2 size | reserved | reserved | chunk 2 data |
+ * ...
+ *
+ */
+
+#define LIMA_DUMP_MAJOR 1
+#define LIMA_DUMP_MINOR 0
+
+#define LIMA_DUMP_MAGIC 0x414d494c
+
+struct lima_dump_head {
+ __u32 magic;
+ __u16 version_major;
+ __u16 version_minor;
+ __u32 num_tasks;
+ __u32 size;
+ __u32 reserved[4];
+};
+
+#define LIMA_DUMP_TASK_GP 0
+#define LIMA_DUMP_TASK_PP 1
+#define LIMA_DUMP_TASK_NUM 2
+
+struct lima_dump_task {
+ __u32 id;
+ __u32 size;
+ __u32 num_chunks;
+ __u32 reserved;
+};
+
+#define LIMA_DUMP_CHUNK_FRAME 0
+#define LIMA_DUMP_CHUNK_BUFFER 1
+#define LIMA_DUMP_CHUNK_PROCESS_NAME 2
+#define LIMA_DUMP_CHUNK_PROCESS_ID 3
+#define LIMA_DUMP_CHUNK_NUM 4
+
+struct lima_dump_chunk {
+ __u32 id;
+ __u32 size;
+ __u32 reserved[2];
+};
+
+struct lima_dump_chunk_buffer {
+ __u32 id;
+ __u32 size;
+ __u32 va;
+ __u32 reserved;
+};
+
+struct lima_dump_chunk_pid {
+ __u32 id;
+ __u32 size;
+ __u32 pid;
+ __u32 reserved;
+};
+
+#endif
diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c
index d8841c870d90..8dd501b7a3d0 100644
--- a/drivers/gpu/drm/lima/lima_gp.c
+++ b/drivers/gpu/drm/lima/lima_gp.c
@@ -274,6 +274,23 @@ static void lima_gp_print_version(struct lima_ip *ip)
static struct kmem_cache *lima_gp_task_slab;
static int lima_gp_task_slab_refcnt;
+static int lima_gp_hw_init(struct lima_ip *ip)
+{
+ ip->data.async_reset = false;
+ lima_gp_soft_reset_async(ip);
+ return lima_gp_soft_reset_async_wait(ip);
+}
+
+int lima_gp_resume(struct lima_ip *ip)
+{
+ return lima_gp_hw_init(ip);
+}
+
+void lima_gp_suspend(struct lima_ip *ip)
+{
+
+}
+
int lima_gp_init(struct lima_ip *ip)
{
struct lima_device *dev = ip->dev;
@@ -281,9 +298,7 @@ int lima_gp_init(struct lima_ip *ip)
lima_gp_print_version(ip);
- ip->data.async_reset = false;
- lima_gp_soft_reset_async(ip);
- err = lima_gp_soft_reset_async_wait(ip);
+ err = lima_gp_hw_init(ip);
if (err)
return err;
diff --git a/drivers/gpu/drm/lima/lima_gp.h b/drivers/gpu/drm/lima/lima_gp.h
index 516e5c1babbb..02ec9af78a51 100644
--- a/drivers/gpu/drm/lima/lima_gp.h
+++ b/drivers/gpu/drm/lima/lima_gp.h
@@ -7,6 +7,8 @@
struct lima_ip;
struct lima_device;
+int lima_gp_resume(struct lima_ip *ip);
+void lima_gp_suspend(struct lima_ip *ip);
int lima_gp_init(struct lima_ip *ip);
void lima_gp_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_l2_cache.c b/drivers/gpu/drm/lima/lima_l2_cache.c
index 6873a7af5a5c..c4080a02957b 100644
--- a/drivers/gpu/drm/lima/lima_l2_cache.c
+++ b/drivers/gpu/drm/lima/lima_l2_cache.c
@@ -38,9 +38,35 @@ int lima_l2_cache_flush(struct lima_ip *ip)
return ret;
}
+static int lima_l2_cache_hw_init(struct lima_ip *ip)
+{
+ int err;
+
+ err = lima_l2_cache_flush(ip);
+ if (err)
+ return err;
+
+ l2_cache_write(LIMA_L2_CACHE_ENABLE,
+ LIMA_L2_CACHE_ENABLE_ACCESS |
+ LIMA_L2_CACHE_ENABLE_READ_ALLOCATE);
+ l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c);
+
+ return 0;
+}
+
+int lima_l2_cache_resume(struct lima_ip *ip)
+{
+ return lima_l2_cache_hw_init(ip);
+}
+
+void lima_l2_cache_suspend(struct lima_ip *ip)
+{
+
+}
+
int lima_l2_cache_init(struct lima_ip *ip)
{
- int i, err;
+ int i;
u32 size;
struct lima_device *dev = ip->dev;
@@ -63,15 +89,7 @@ int lima_l2_cache_init(struct lima_ip *ip)
1 << (size & 0xff),
1 << ((size >> 24) & 0xff));
- err = lima_l2_cache_flush(ip);
- if (err)
- return err;
-
- l2_cache_write(LIMA_L2_CACHE_ENABLE,
- LIMA_L2_CACHE_ENABLE_ACCESS|LIMA_L2_CACHE_ENABLE_READ_ALLOCATE);
- l2_cache_write(LIMA_L2_CACHE_MAX_READS, 0x1c);
-
- return 0;
+ return lima_l2_cache_hw_init(ip);
}
void lima_l2_cache_fini(struct lima_ip *ip)
diff --git a/drivers/gpu/drm/lima/lima_l2_cache.h b/drivers/gpu/drm/lima/lima_l2_cache.h
index c63fb676ff14..1aeeefd53fb9 100644
--- a/drivers/gpu/drm/lima/lima_l2_cache.h
+++ b/drivers/gpu/drm/lima/lima_l2_cache.h
@@ -6,6 +6,8 @@
struct lima_ip;
+int lima_l2_cache_resume(struct lima_ip *ip);
+void lima_l2_cache_suspend(struct lima_ip *ip);
int lima_l2_cache_init(struct lima_ip *ip);
void lima_l2_cache_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_mmu.c b/drivers/gpu/drm/lima/lima_mmu.c
index f79d2af427e7..a1ae6c252dc2 100644
--- a/drivers/gpu/drm/lima/lima_mmu.c
+++ b/drivers/gpu/drm/lima/lima_mmu.c
@@ -59,12 +59,44 @@ static irqreturn_t lima_mmu_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
-int lima_mmu_init(struct lima_ip *ip)
+static int lima_mmu_hw_init(struct lima_ip *ip)
{
struct lima_device *dev = ip->dev;
int err;
u32 v;
+ mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_HARD_RESET);
+ err = lima_mmu_send_command(LIMA_MMU_COMMAND_HARD_RESET,
+ LIMA_MMU_DTE_ADDR, v, v == 0);
+ if (err)
+ return err;
+
+ mmu_write(LIMA_MMU_INT_MASK,
+ LIMA_MMU_INT_PAGE_FAULT | LIMA_MMU_INT_READ_BUS_ERROR);
+ mmu_write(LIMA_MMU_DTE_ADDR, dev->empty_vm->pd.dma);
+ return lima_mmu_send_command(LIMA_MMU_COMMAND_ENABLE_PAGING,
+ LIMA_MMU_STATUS, v,
+ v & LIMA_MMU_STATUS_PAGING_ENABLED);
+}
+
+int lima_mmu_resume(struct lima_ip *ip)
+{
+ if (ip->id == lima_ip_ppmmu_bcast)
+ return 0;
+
+ return lima_mmu_hw_init(ip);
+}
+
+void lima_mmu_suspend(struct lima_ip *ip)
+{
+
+}
+
+int lima_mmu_init(struct lima_ip *ip)
+{
+ struct lima_device *dev = ip->dev;
+ int err;
+
if (ip->id == lima_ip_ppmmu_bcast)
return 0;
@@ -74,12 +106,6 @@ int lima_mmu_init(struct lima_ip *ip)
return -EIO;
}
- mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_HARD_RESET);
- err = lima_mmu_send_command(LIMA_MMU_COMMAND_HARD_RESET,
- LIMA_MMU_DTE_ADDR, v, v == 0);
- if (err)
- return err;
-
err = devm_request_irq(dev->dev, ip->irq, lima_mmu_irq_handler,
IRQF_SHARED, lima_ip_name(ip), ip);
if (err) {
@@ -87,11 +113,7 @@ int lima_mmu_init(struct lima_ip *ip)
return err;
}
- mmu_write(LIMA_MMU_INT_MASK, LIMA_MMU_INT_PAGE_FAULT | LIMA_MMU_INT_READ_BUS_ERROR);
- mmu_write(LIMA_MMU_DTE_ADDR, dev->empty_vm->pd.dma);
- return lima_mmu_send_command(LIMA_MMU_COMMAND_ENABLE_PAGING,
- LIMA_MMU_STATUS, v,
- v & LIMA_MMU_STATUS_PAGING_ENABLED);
+ return lima_mmu_hw_init(ip);
}
void lima_mmu_fini(struct lima_ip *ip)
@@ -113,8 +135,7 @@ void lima_mmu_switch_vm(struct lima_ip *ip, struct lima_vm *vm)
LIMA_MMU_STATUS, v,
v & LIMA_MMU_STATUS_STALL_ACTIVE);
- if (vm)
- mmu_write(LIMA_MMU_DTE_ADDR, vm->pd.dma);
+ mmu_write(LIMA_MMU_DTE_ADDR, vm->pd.dma);
/* flush the TLB */
mmu_write(LIMA_MMU_COMMAND, LIMA_MMU_COMMAND_ZAP_CACHE);
diff --git a/drivers/gpu/drm/lima/lima_mmu.h b/drivers/gpu/drm/lima/lima_mmu.h
index 4f8ccbebcba1..f0c97ac75ea0 100644
--- a/drivers/gpu/drm/lima/lima_mmu.h
+++ b/drivers/gpu/drm/lima/lima_mmu.h
@@ -7,6 +7,8 @@
struct lima_ip;
struct lima_vm;
+int lima_mmu_resume(struct lima_ip *ip);
+void lima_mmu_suspend(struct lima_ip *ip);
int lima_mmu_init(struct lima_ip *ip);
void lima_mmu_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_pmu.c b/drivers/gpu/drm/lima/lima_pmu.c
index 571f6d661581..e397e1146e96 100644
--- a/drivers/gpu/drm/lima/lima_pmu.c
+++ b/drivers/gpu/drm/lima/lima_pmu.c
@@ -21,7 +21,7 @@ static int lima_pmu_wait_cmd(struct lima_ip *ip)
v, v & LIMA_PMU_INT_CMD_MASK,
100, 100000);
if (err) {
- dev_err(dev->dev, "timeout wait pmd cmd\n");
+ dev_err(dev->dev, "timeout wait pmu cmd\n");
return err;
}
@@ -29,7 +29,41 @@ static int lima_pmu_wait_cmd(struct lima_ip *ip)
return 0;
}
-int lima_pmu_init(struct lima_ip *ip)
+static u32 lima_pmu_get_ip_mask(struct lima_ip *ip)
+{
+ struct lima_device *dev = ip->dev;
+ u32 ret = 0;
+ int i;
+
+ ret |= LIMA_PMU_POWER_GP0_MASK;
+
+ if (dev->id == lima_gpu_mali400) {
+ ret |= LIMA_PMU_POWER_L2_MASK;
+ for (i = 0; i < 4; i++) {
+ if (dev->ip[lima_ip_pp0 + i].present)
+ ret |= LIMA_PMU_POWER_PP_MASK(i);
+ }
+ } else {
+ if (dev->ip[lima_ip_pp0].present)
+ ret |= LIMA450_PMU_POWER_PP0_MASK;
+ for (i = lima_ip_pp1; i <= lima_ip_pp3; i++) {
+ if (dev->ip[i].present) {
+ ret |= LIMA450_PMU_POWER_PP13_MASK;
+ break;
+ }
+ }
+ for (i = lima_ip_pp4; i <= lima_ip_pp7; i++) {
+ if (dev->ip[i].present) {
+ ret |= LIMA450_PMU_POWER_PP47_MASK;
+ break;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static int lima_pmu_hw_init(struct lima_ip *ip)
{
int err;
u32 stat;
@@ -54,7 +88,44 @@ int lima_pmu_init(struct lima_ip *ip)
return 0;
}
-void lima_pmu_fini(struct lima_ip *ip)
+static void lima_pmu_hw_fini(struct lima_ip *ip)
{
+ u32 stat;
+
+ if (!ip->data.mask)
+ ip->data.mask = lima_pmu_get_ip_mask(ip);
+ stat = ~pmu_read(LIMA_PMU_STATUS) & ip->data.mask;
+ if (stat) {
+ pmu_write(LIMA_PMU_POWER_DOWN, stat);
+
+ /* Don't wait for interrupt on Mali400 if all domains are
+ * powered off because the HW won't generate an interrupt
+ * in this case.
+ */
+ if (ip->dev->id == lima_gpu_mali400)
+ pmu_write(LIMA_PMU_INT_CLEAR, LIMA_PMU_INT_CMD_MASK);
+ else
+ lima_pmu_wait_cmd(ip);
+ }
+}
+
+int lima_pmu_resume(struct lima_ip *ip)
+{
+ return lima_pmu_hw_init(ip);
+}
+
+void lima_pmu_suspend(struct lima_ip *ip)
+{
+ lima_pmu_hw_fini(ip);
+}
+
+int lima_pmu_init(struct lima_ip *ip)
+{
+ return lima_pmu_hw_init(ip);
+}
+
+void lima_pmu_fini(struct lima_ip *ip)
+{
+ lima_pmu_hw_fini(ip);
}
diff --git a/drivers/gpu/drm/lima/lima_pmu.h b/drivers/gpu/drm/lima/lima_pmu.h
index a2a18775eb07..652dc7af3047 100644
--- a/drivers/gpu/drm/lima/lima_pmu.h
+++ b/drivers/gpu/drm/lima/lima_pmu.h
@@ -6,6 +6,8 @@
struct lima_ip;
+int lima_pmu_resume(struct lima_ip *ip);
+void lima_pmu_suspend(struct lima_ip *ip);
int lima_pmu_init(struct lima_ip *ip);
void lima_pmu_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_pp.c b/drivers/gpu/drm/lima/lima_pp.c
index 8fef224b93c8..33f01383409c 100644
--- a/drivers/gpu/drm/lima/lima_pp.c
+++ b/drivers/gpu/drm/lima/lima_pp.c
@@ -223,6 +223,23 @@ static void lima_pp_print_version(struct lima_ip *ip)
lima_ip_name(ip), name, major, minor);
}
+static int lima_pp_hw_init(struct lima_ip *ip)
+{
+ ip->data.async_reset = false;
+ lima_pp_soft_reset_async(ip);
+ return lima_pp_soft_reset_async_wait(ip);
+}
+
+int lima_pp_resume(struct lima_ip *ip)
+{
+ return lima_pp_hw_init(ip);
+}
+
+void lima_pp_suspend(struct lima_ip *ip)
+{
+
+}
+
int lima_pp_init(struct lima_ip *ip)
{
struct lima_device *dev = ip->dev;
@@ -230,9 +247,7 @@ int lima_pp_init(struct lima_ip *ip)
lima_pp_print_version(ip);
- ip->data.async_reset = false;
- lima_pp_soft_reset_async(ip);
- err = lima_pp_soft_reset_async_wait(ip);
+ err = lima_pp_hw_init(ip);
if (err)
return err;
@@ -254,6 +269,16 @@ void lima_pp_fini(struct lima_ip *ip)
}
+int lima_pp_bcast_resume(struct lima_ip *ip)
+{
+ return 0;
+}
+
+void lima_pp_bcast_suspend(struct lima_ip *ip)
+{
+
+}
+
int lima_pp_bcast_init(struct lima_ip *ip)
{
struct lima_device *dev = ip->dev;
diff --git a/drivers/gpu/drm/lima/lima_pp.h b/drivers/gpu/drm/lima/lima_pp.h
index bf60c77b2633..16ec96de15a9 100644
--- a/drivers/gpu/drm/lima/lima_pp.h
+++ b/drivers/gpu/drm/lima/lima_pp.h
@@ -7,9 +7,13 @@
struct lima_ip;
struct lima_device;
+int lima_pp_resume(struct lima_ip *ip);
+void lima_pp_suspend(struct lima_ip *ip);
int lima_pp_init(struct lima_ip *ip);
void lima_pp_fini(struct lima_ip *ip);
+int lima_pp_bcast_resume(struct lima_ip *ip);
+void lima_pp_bcast_suspend(struct lima_ip *ip);
int lima_pp_bcast_init(struct lima_ip *ip);
void lima_pp_bcast_fini(struct lima_ip *ip);
diff --git a/drivers/gpu/drm/lima/lima_sched.c b/drivers/gpu/drm/lima/lima_sched.c
index 3886999b4533..e6cefda00279 100644
--- a/drivers/gpu/drm/lima/lima_sched.c
+++ b/drivers/gpu/drm/lima/lima_sched.c
@@ -3,14 +3,17 @@
#include <linux/kthread.h>
#include <linux/slab.h>
-#include <linux/xarray.h>
+#include <linux/vmalloc.h>
+#include <linux/pm_runtime.h>
+#include "lima_devfreq.h"
#include "lima_drv.h"
#include "lima_sched.h"
#include "lima_vm.h"
#include "lima_mmu.h"
#include "lima_l2_cache.h"
#include "lima_gem.h"
+#include "lima_trace.h"
struct lima_fence {
struct dma_fence base;
@@ -176,6 +179,7 @@ struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *conte
{
struct dma_fence *fence = dma_fence_get(&task->base.s_fence->finished);
+ trace_lima_task_submit(task);
drm_sched_entity_push_job(&task->base, &context->base);
return fence;
}
@@ -191,14 +195,36 @@ static struct dma_fence *lima_sched_dependency(struct drm_sched_job *job,
return NULL;
}
+static int lima_pm_busy(struct lima_device *ldev)
+{
+ int ret;
+
+ /* resume GPU if it has been suspended by runtime PM */
+ ret = pm_runtime_get_sync(ldev->dev);
+ if (ret < 0)
+ return ret;
+
+ lima_devfreq_record_busy(&ldev->devfreq);
+ return 0;
+}
+
+static void lima_pm_idle(struct lima_device *ldev)
+{
+ lima_devfreq_record_idle(&ldev->devfreq);
+
+ /* GPU can do auto runtime suspend */
+ pm_runtime_mark_last_busy(ldev->dev);
+ pm_runtime_put_autosuspend(ldev->dev);
+}
+
static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job)
{
struct lima_sched_task *task = to_lima_task(job);
struct lima_sched_pipe *pipe = to_lima_pipe(job->sched);
+ struct lima_device *ldev = pipe->ldev;
struct lima_fence *fence;
struct dma_fence *ret;
- struct lima_vm *vm = NULL, *last_vm = NULL;
- int i;
+ int i, err;
/* after GPU reset */
if (job->s_fence->finished.error < 0)
@@ -207,6 +233,13 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job)
fence = lima_fence_create(pipe);
if (!fence)
return NULL;
+
+ err = lima_pm_busy(ldev);
+ if (err < 0) {
+ dma_fence_put(&fence->base);
+ return NULL;
+ }
+
task->fence = &fence->base;
/* for caller usage of the fence, otherwise irq handler
@@ -234,21 +267,17 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job)
for (i = 0; i < pipe->num_l2_cache; i++)
lima_l2_cache_flush(pipe->l2_cache[i]);
- if (task->vm != pipe->current_vm) {
- vm = lima_vm_get(task->vm);
- last_vm = pipe->current_vm;
- pipe->current_vm = task->vm;
- }
+ lima_vm_put(pipe->current_vm);
+ pipe->current_vm = lima_vm_get(task->vm);
if (pipe->bcast_mmu)
- lima_mmu_switch_vm(pipe->bcast_mmu, vm);
+ lima_mmu_switch_vm(pipe->bcast_mmu, pipe->current_vm);
else {
for (i = 0; i < pipe->num_mmu; i++)
- lima_mmu_switch_vm(pipe->mmu[i], vm);
+ lima_mmu_switch_vm(pipe->mmu[i], pipe->current_vm);
}
- if (last_vm)
- lima_vm_put(last_vm);
+ trace_lima_task_run(task);
pipe->error = false;
pipe->task_run(pipe, task);
@@ -256,10 +285,139 @@ static struct dma_fence *lima_sched_run_job(struct drm_sched_job *job)
return task->fence;
}
+static void lima_sched_build_error_task_list(struct lima_sched_task *task)
+{
+ struct lima_sched_error_task *et;
+ struct lima_sched_pipe *pipe = to_lima_pipe(task->base.sched);
+ struct lima_ip *ip = pipe->processor[0];
+ int pipe_id = ip->id == lima_ip_gp ? lima_pipe_gp : lima_pipe_pp;
+ struct lima_device *dev = ip->dev;
+ struct lima_sched_context *sched_ctx =
+ container_of(task->base.entity,
+ struct lima_sched_context, base);
+ struct lima_ctx *ctx =
+ container_of(sched_ctx, struct lima_ctx, context[pipe_id]);
+ struct lima_dump_task *dt;
+ struct lima_dump_chunk *chunk;
+ struct lima_dump_chunk_pid *pid_chunk;
+ struct lima_dump_chunk_buffer *buffer_chunk;
+ u32 size, task_size, mem_size;
+ int i;
+
+ mutex_lock(&dev->error_task_list_lock);
+
+ if (dev->dump.num_tasks >= lima_max_error_tasks) {
+ dev_info(dev->dev, "fail to save task state from %s pid %d: "
+ "error task list is full\n", ctx->pname, ctx->pid);
+ goto out;
+ }
+
+ /* frame chunk */
+ size = sizeof(struct lima_dump_chunk) + pipe->frame_size;
+ /* process name chunk */
+ size += sizeof(struct lima_dump_chunk) + sizeof(ctx->pname);
+ /* pid chunk */
+ size += sizeof(struct lima_dump_chunk);
+ /* buffer chunks */
+ for (i = 0; i < task->num_bos; i++) {
+ struct lima_bo *bo = task->bos[i];
+
+ size += sizeof(struct lima_dump_chunk);
+ size += bo->heap_size ? bo->heap_size : lima_bo_size(bo);
+ }
+
+ task_size = size + sizeof(struct lima_dump_task);
+ mem_size = task_size + sizeof(*et);
+ et = kvmalloc(mem_size, GFP_KERNEL);
+ if (!et) {
+ dev_err(dev->dev, "fail to alloc task dump buffer of size %x\n",
+ mem_size);
+ goto out;
+ }
+
+ et->data = et + 1;
+ et->size = task_size;
+
+ dt = et->data;
+ memset(dt, 0, sizeof(*dt));
+ dt->id = pipe_id;
+ dt->size = size;
+
+ chunk = (struct lima_dump_chunk *)(dt + 1);
+ memset(chunk, 0, sizeof(*chunk));
+ chunk->id = LIMA_DUMP_CHUNK_FRAME;
+ chunk->size = pipe->frame_size;
+ memcpy(chunk + 1, task->frame, pipe->frame_size);
+ dt->num_chunks++;
+
+ chunk = (void *)(chunk + 1) + chunk->size;
+ memset(chunk, 0, sizeof(*chunk));
+ chunk->id = LIMA_DUMP_CHUNK_PROCESS_NAME;
+ chunk->size = sizeof(ctx->pname);
+ memcpy(chunk + 1, ctx->pname, sizeof(ctx->pname));
+ dt->num_chunks++;
+
+ pid_chunk = (void *)(chunk + 1) + chunk->size;
+ memset(pid_chunk, 0, sizeof(*pid_chunk));
+ pid_chunk->id = LIMA_DUMP_CHUNK_PROCESS_ID;
+ pid_chunk->pid = ctx->pid;
+ dt->num_chunks++;
+
+ buffer_chunk = (void *)(pid_chunk + 1) + pid_chunk->size;
+ for (i = 0; i < task->num_bos; i++) {
+ struct lima_bo *bo = task->bos[i];
+ void *data;
+
+ memset(buffer_chunk, 0, sizeof(*buffer_chunk));
+ buffer_chunk->id = LIMA_DUMP_CHUNK_BUFFER;
+ buffer_chunk->va = lima_vm_get_va(task->vm, bo);
+
+ if (bo->heap_size) {
+ buffer_chunk->size = bo->heap_size;
+
+ data = vmap(bo->base.pages, bo->heap_size >> PAGE_SHIFT,
+ VM_MAP, pgprot_writecombine(PAGE_KERNEL));
+ if (!data) {
+ kvfree(et);
+ goto out;
+ }
+
+ memcpy(buffer_chunk + 1, data, buffer_chunk->size);
+
+ vunmap(data);
+ } else {
+ buffer_chunk->size = lima_bo_size(bo);
+
+ data = drm_gem_shmem_vmap(&bo->base.base);
+ if (IS_ERR_OR_NULL(data)) {
+ kvfree(et);
+ goto out;
+ }
+
+ memcpy(buffer_chunk + 1, data, buffer_chunk->size);
+
+ drm_gem_shmem_vunmap(&bo->base.base, data);
+ }
+
+ buffer_chunk = (void *)(buffer_chunk + 1) + buffer_chunk->size;
+ dt->num_chunks++;
+ }
+
+ list_add(&et->list, &dev->error_task_list);
+ dev->dump.size += et->size;
+ dev->dump.num_tasks++;
+
+ dev_info(dev->dev, "save error task state success\n");
+
+out:
+ mutex_unlock(&dev->error_task_list_lock);
+}
+
static void lima_sched_timedout_job(struct drm_sched_job *job)
{
struct lima_sched_pipe *pipe = to_lima_pipe(job->sched);
struct lima_sched_task *task = to_lima_task(job);
+ struct lima_device *ldev = pipe->ldev;
if (!pipe->error)
DRM_ERROR("lima job timeout\n");
@@ -268,6 +426,8 @@ static void lima_sched_timedout_job(struct drm_sched_job *job)
drm_sched_increase_karma(&task->base);
+ lima_sched_build_error_task_list(task);
+
pipe->task_error(pipe);
if (pipe->bcast_mmu)
@@ -279,12 +439,12 @@ static void lima_sched_timedout_job(struct drm_sched_job *job)
lima_mmu_page_fault_resume(pipe->mmu[i]);
}
- if (pipe->current_vm)
- lima_vm_put(pipe->current_vm);
-
+ lima_vm_put(pipe->current_vm);
pipe->current_vm = NULL;
pipe->current_task = NULL;
+ lima_pm_idle(ldev);
+
drm_sched_resubmit_jobs(&pipe->base);
drm_sched_start(&pipe->base, true);
}
@@ -355,6 +515,7 @@ void lima_sched_pipe_fini(struct lima_sched_pipe *pipe)
void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe)
{
struct lima_sched_task *task = pipe->current_task;
+ struct lima_device *ldev = pipe->ldev;
if (pipe->error) {
if (task && task->recoverable)
@@ -364,5 +525,7 @@ void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe)
} else {
pipe->task_fini(pipe);
dma_fence_signal(task->fence);
+
+ lima_pm_idle(ldev);
}
}
diff --git a/drivers/gpu/drm/lima/lima_sched.h b/drivers/gpu/drm/lima/lima_sched.h
index d64393fb50a9..90f03c48ef4a 100644
--- a/drivers/gpu/drm/lima/lima_sched.h
+++ b/drivers/gpu/drm/lima/lima_sched.h
@@ -5,9 +5,18 @@
#define __LIMA_SCHED_H__
#include <drm/gpu_scheduler.h>
+#include <linux/list.h>
+#include <linux/xarray.h>
+struct lima_device;
struct lima_vm;
+struct lima_sched_error_task {
+ struct list_head list;
+ void *data;
+ u32 size;
+};
+
struct lima_sched_task {
struct drm_sched_job base;
@@ -44,6 +53,8 @@ struct lima_sched_pipe {
u32 fence_seqno;
spinlock_t fence_lock;
+ struct lima_device *ldev;
+
struct lima_sched_task *current_task;
struct lima_vm *current_vm;
diff --git a/drivers/gpu/drm/lima/lima_trace.c b/drivers/gpu/drm/lima/lima_trace.c
new file mode 100644
index 000000000000..ea1c7289bebc
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_trace.c
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */
+
+#include "lima_sched.h"
+
+#define CREATE_TRACE_POINTS
+#include "lima_trace.h"
diff --git a/drivers/gpu/drm/lima/lima_trace.h b/drivers/gpu/drm/lima/lima_trace.h
new file mode 100644
index 000000000000..3a430e93d384
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_trace.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/* Copyright 2020 Qiang Yu <yuq825@gmail.com> */
+
+#if !defined(_LIMA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _LIMA_TRACE_H_
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lima
+#define TRACE_INCLUDE_FILE lima_trace
+
+DECLARE_EVENT_CLASS(lima_task,
+ TP_PROTO(struct lima_sched_task *task),
+ TP_ARGS(task),
+ TP_STRUCT__entry(
+ __field(uint64_t, task_id)
+ __field(unsigned int, context)
+ __field(unsigned int, seqno)
+ __string(pipe, task->base.sched->name)
+ ),
+
+ TP_fast_assign(
+ __entry->task_id = task->base.id;
+ __entry->context = task->base.s_fence->finished.context;
+ __entry->seqno = task->base.s_fence->finished.seqno;
+ __assign_str(pipe, task->base.sched->name)
+ ),
+
+ TP_printk("task=%llu, context=%u seqno=%u pipe=%s",
+ __entry->task_id, __entry->context, __entry->seqno,
+ __get_str(pipe))
+);
+
+DEFINE_EVENT(lima_task, lima_task_submit,
+ TP_PROTO(struct lima_sched_task *task),
+ TP_ARGS(task)
+);
+
+DEFINE_EVENT(lima_task, lima_task_run,
+ TP_PROTO(struct lima_sched_task *task),
+ TP_ARGS(task)
+);
+
+#endif
+
+/* This part must be outside protection */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/gpu/drm/lima
+#include <trace/define_trace.h>
diff --git a/drivers/gpu/drm/lima/lima_vm.h b/drivers/gpu/drm/lima/lima_vm.h
index 22aeec77d84d..3a7c74822d8b 100644
--- a/drivers/gpu/drm/lima/lima_vm.h
+++ b/drivers/gpu/drm/lima/lima_vm.h
@@ -54,7 +54,8 @@ static inline struct lima_vm *lima_vm_get(struct lima_vm *vm)
static inline void lima_vm_put(struct lima_vm *vm)
{
- kref_put(&vm->refcount, lima_vm_release);
+ if (vm)
+ kref_put(&vm->refcount, lima_vm_release);
}
void lima_vm_print(struct lima_vm *vm);
diff --git a/drivers/gpu/drm/mcde/mcde_display.c b/drivers/gpu/drm/mcde/mcde_display.c
index e59907e68854..04e1d38d41f7 100644
--- a/drivers/gpu/drm/mcde/mcde_display.c
+++ b/drivers/gpu/drm/mcde/mcde_display.c
@@ -948,7 +948,7 @@ static void mcde_display_disable(struct drm_simple_display_pipe *pipe)
{
struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *drm = crtc->dev;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
struct drm_pending_vblank_event *event;
drm_crtc_vblank_off(crtc);
@@ -1020,7 +1020,7 @@ static void mcde_display_update(struct drm_simple_display_pipe *pipe,
{
struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *drm = crtc->dev;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
struct drm_pending_vblank_event *event = crtc->state->event;
struct drm_plane *plane = &pipe->plane;
struct drm_plane_state *pstate = plane->state;
@@ -1078,7 +1078,7 @@ static int mcde_display_enable_vblank(struct drm_simple_display_pipe *pipe)
{
struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *drm = crtc->dev;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
u32 val;
/* Enable all VBLANK IRQs */
@@ -1097,7 +1097,7 @@ static void mcde_display_disable_vblank(struct drm_simple_display_pipe *pipe)
{
struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *drm = crtc->dev;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
/* Disable all VBLANK IRQs */
writel(0, mcde->regs + MCDE_IMSCPP);
@@ -1117,7 +1117,7 @@ static struct drm_simple_display_pipe_funcs mcde_display_funcs = {
int mcde_display_init(struct drm_device *drm)
{
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
int ret;
static const u32 formats[] = {
DRM_FORMAT_ARGB8888,
diff --git a/drivers/gpu/drm/mcde/mcde_drm.h b/drivers/gpu/drm/mcde/mcde_drm.h
index 80edd6628979..679c2c4e6d9d 100644
--- a/drivers/gpu/drm/mcde/mcde_drm.h
+++ b/drivers/gpu/drm/mcde/mcde_drm.h
@@ -34,6 +34,8 @@ struct mcde {
struct regulator *vana;
};
+#define to_mcde(dev) container_of(dev, struct mcde, drm)
+
bool mcde_dsi_irq(struct mipi_dsi_device *mdsi);
void mcde_dsi_te_request(struct mipi_dsi_device *mdsi);
extern struct platform_driver mcde_dsi_driver;
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index f28cb7a576ba..84f3e2dbd77b 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -72,6 +72,7 @@
#include <drm/drm_gem.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_panel.h>
@@ -163,7 +164,7 @@ static irqreturn_t mcde_irq(int irq, void *data)
static int mcde_modeset_init(struct drm_device *drm)
{
struct drm_mode_config *mode_config;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
int ret;
if (!mcde->bridge) {
@@ -183,13 +184,13 @@ static int mcde_modeset_init(struct drm_device *drm)
ret = drm_vblank_init(drm, 1);
if (ret) {
dev_err(drm->dev, "failed to init vblank\n");
- goto out_config;
+ return ret;
}
ret = mcde_display_init(drm);
if (ret) {
dev_err(drm->dev, "failed to init display\n");
- goto out_config;
+ return ret;
}
/*
@@ -203,7 +204,7 @@ static int mcde_modeset_init(struct drm_device *drm)
mcde->bridge);
if (ret) {
dev_err(drm->dev, "failed to attach display output bridge\n");
- goto out_config;
+ return ret;
}
drm_mode_config_reset(drm);
@@ -211,19 +212,6 @@ static int mcde_modeset_init(struct drm_device *drm)
drm_fbdev_generic_setup(drm, 32);
return 0;
-
-out_config:
- drm_mode_config_cleanup(drm);
- return ret;
-}
-
-static void mcde_release(struct drm_device *drm)
-{
- struct mcde *mcde = drm->dev_private;
-
- drm_mode_config_cleanup(drm);
- drm_dev_fini(drm);
- kfree(mcde);
}
DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
@@ -231,7 +219,6 @@ DEFINE_DRM_GEM_CMA_FOPS(drm_fops);
static struct drm_driver mcde_drm_driver = {
.driver_features =
DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
- .release = mcde_release,
.lastclose = drm_fb_helper_lastclose,
.ioctls = NULL,
.fops = &drm_fops,
@@ -259,7 +246,9 @@ static int mcde_drm_bind(struct device *dev)
struct drm_device *drm = dev_get_drvdata(dev);
int ret;
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ret;
ret = component_bind_all(drm->dev, drm);
if (ret) {
@@ -318,35 +307,27 @@ static int mcde_probe(struct platform_device *pdev)
int ret;
int i;
- mcde = kzalloc(sizeof(*mcde), GFP_KERNEL);
- if (!mcde)
- return -ENOMEM;
- mcde->dev = dev;
-
- ret = drm_dev_init(&mcde->drm, &mcde_drm_driver, dev);
- if (ret) {
- kfree(mcde);
- return ret;
- }
+ mcde = devm_drm_dev_alloc(dev, &mcde_drm_driver, struct mcde, drm);
+ if (IS_ERR(mcde))
+ return PTR_ERR(mcde);
drm = &mcde->drm;
- drm->dev_private = mcde;
+ mcde->dev = dev;
platform_set_drvdata(pdev, drm);
/* Enable continuous updates: this is what Linux' framebuffer expects */
mcde->oneshot_mode = false;
- drm->dev_private = mcde;
/* First obtain and turn on the main power */
mcde->epod = devm_regulator_get(dev, "epod");
if (IS_ERR(mcde->epod)) {
ret = PTR_ERR(mcde->epod);
dev_err(dev, "can't get EPOD regulator\n");
- goto dev_unref;
+ return ret;
}
ret = regulator_enable(mcde->epod);
if (ret) {
dev_err(dev, "can't enable EPOD regulator\n");
- goto dev_unref;
+ return ret;
}
mcde->vana = devm_regulator_get(dev, "vana");
if (IS_ERR(mcde->vana)) {
@@ -497,8 +478,6 @@ regulator_off:
regulator_disable(mcde->vana);
regulator_epod_off:
regulator_disable(mcde->epod);
-dev_unref:
- drm_dev_put(drm);
return ret;
}
@@ -506,13 +485,12 @@ dev_unref:
static int mcde_remove(struct platform_device *pdev)
{
struct drm_device *drm = platform_get_drvdata(pdev);
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
component_master_del(&pdev->dev, &mcde_drm_comp_ops);
clk_disable_unprepare(mcde->mcde_clk);
regulator_disable(mcde->vana);
regulator_disable(mcde->epod);
- drm_dev_put(drm);
return 0;
}
diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c
index 7af5ebb0c436..f303369305a3 100644
--- a/drivers/gpu/drm/mcde/mcde_dsi.c
+++ b/drivers/gpu/drm/mcde/mcde_dsi.c
@@ -1020,7 +1020,7 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
void *data)
{
struct drm_device *drm = data;
- struct mcde *mcde = drm->dev_private;
+ struct mcde *mcde = to_mcde(drm);
struct mcde_dsi *d = dev_get_drvdata(dev);
struct device_node *child;
struct drm_panel *panel = NULL;
@@ -1073,10 +1073,9 @@ static int mcde_dsi_bind(struct device *dev, struct device *master,
panel = NULL;
bridge = of_drm_find_bridge(child);
- if (IS_ERR(bridge)) {
- dev_err(dev, "failed to find bridge (%ld)\n",
- PTR_ERR(bridge));
- return PTR_ERR(bridge);
+ if (!bridge) {
+ dev_err(dev, "failed to find bridge\n");
+ return -EINVAL;
}
}
}
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index 4f0ce4cd5b8c..945c3ac92998 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -10,7 +10,9 @@
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_device.h>
+#include <linux/of_gpio.h>
#include <linux/of_graph.h>
+#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h>
#include <linux/types.h>
@@ -20,6 +22,7 @@
#include <drm/drm_bridge.h>
#include <drm/drm_crtc.h>
#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "mtk_dpi_regs.h"
#include "mtk_drm_ddp_comp.h"
@@ -74,6 +77,9 @@ struct mtk_dpi {
enum mtk_dpi_out_yc_map yc_map;
enum mtk_dpi_out_bit_num bit_num;
enum mtk_dpi_out_channel_swap channel_swap;
+ struct pinctrl *pinctrl;
+ struct pinctrl_state *pins_gpio;
+ struct pinctrl_state *pins_dpi;
int refcount;
};
@@ -379,6 +385,9 @@ static void mtk_dpi_power_off(struct mtk_dpi *dpi)
if (--dpi->refcount != 0)
return;
+ if (dpi->pinctrl && dpi->pins_gpio)
+ pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio);
+
mtk_dpi_disable(dpi);
clk_disable_unprepare(dpi->pixel_clk);
clk_disable_unprepare(dpi->engine_clk);
@@ -403,6 +412,9 @@ static int mtk_dpi_power_on(struct mtk_dpi *dpi)
goto err_pixel;
}
+ if (dpi->pinctrl && dpi->pins_dpi)
+ pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi);
+
mtk_dpi_enable(dpi);
return 0;
@@ -509,15 +521,6 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
return 0;
}
-static void mtk_dpi_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs mtk_dpi_encoder_funcs = {
- .destroy = mtk_dpi_encoder_destroy,
-};
-
static bool mtk_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -596,8 +599,8 @@ static int mtk_dpi_bind(struct device *dev, struct device *master, void *data)
return ret;
}
- ret = drm_encoder_init(drm_dev, &dpi->encoder, &mtk_dpi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ ret = drm_simple_encoder_init(drm_dev, &dpi->encoder,
+ DRM_MODE_ENCODER_TMDS);
if (ret) {
dev_err(dev, "Failed to initialize decoder: %d\n", ret);
goto err_unregister;
@@ -705,6 +708,26 @@ static int mtk_dpi_probe(struct platform_device *pdev)
dpi->dev = dev;
dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev);
+ dpi->pinctrl = devm_pinctrl_get(&pdev->dev);
+ if (IS_ERR(dpi->pinctrl)) {
+ dpi->pinctrl = NULL;
+ dev_dbg(&pdev->dev, "Cannot find pinctrl!\n");
+ }
+ if (dpi->pinctrl) {
+ dpi->pins_gpio = pinctrl_lookup_state(dpi->pinctrl, "sleep");
+ if (IS_ERR(dpi->pins_gpio)) {
+ dpi->pins_gpio = NULL;
+ dev_dbg(&pdev->dev, "Cannot find pinctrl idle!\n");
+ }
+ if (dpi->pins_gpio)
+ pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio);
+
+ dpi->pins_dpi = pinctrl_lookup_state(dpi->pinctrl, "default");
+ if (IS_ERR(dpi->pins_dpi)) {
+ dpi->pins_dpi = NULL;
+ dev_dbg(&pdev->dev, "Cannot find pinctrl active!\n");
+ }
+ }
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dpi->regs = devm_ioremap_resource(dev, mem);
if (IS_ERR(dpi->regs)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 0563c6813333..ce570283b55f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -162,7 +162,9 @@ static int mtk_drm_kms_init(struct drm_device *drm)
}
private->mutex_dev = &pdev->dev;
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return ret;
drm->mode_config.min_width = 64;
drm->mode_config.min_height = 64;
@@ -179,7 +181,7 @@ static int mtk_drm_kms_init(struct drm_device *drm)
ret = component_bind_all(drm->dev, drm);
if (ret)
- goto err_config_cleanup;
+ return ret;
/*
* We currently support two fixed data streams, each optional,
@@ -255,8 +257,6 @@ err_unset_dma_parms:
dma_dev->dma_parms = NULL;
err_component_unbind:
component_unbind_all(drm->dev, drm);
-err_config_cleanup:
- drm_mode_config_cleanup(drm);
return ret;
}
@@ -272,7 +272,6 @@ static void mtk_drm_kms_deinit(struct drm_device *drm)
private->dma_dev->dma_parms = NULL;
component_unbind_all(drm->dev, drm);
- drm_mode_config_cleanup(drm);
}
static const struct file_operations mtk_drm_fops = {
@@ -348,9 +347,7 @@ static int mtk_drm_bind(struct device *dev)
if (ret < 0)
goto err_deinit;
- ret = drm_fbdev_generic_setup(drm, 32);
- if (ret)
- DRM_ERROR("Failed to initialize fbdev: %d\n", ret);
+ drm_fbdev_generic_setup(drm, 32);
return 0;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index b04a3c2b111e..f8fd8b98c30e 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -224,6 +224,9 @@ struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev,
expected = sg_dma_address(sg->sgl);
for_each_sg(sg->sgl, s, sg->nents, i) {
+ if (!sg_dma_len(s))
+ break;
+
if (sg_dma_address(s) != expected) {
DRM_ERROR("sg_table is not contiguous");
ret = -EINVAL;
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 0ede69830a9d..a9a25087112f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -22,6 +22,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "mtk_drm_ddp_comp.h"
@@ -787,15 +788,6 @@ static void mtk_output_dsi_disable(struct mtk_dsi *dsi)
dsi->enabled = false;
}
-static void mtk_dsi_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs mtk_dsi_encoder_funcs = {
- .destroy = mtk_dsi_encoder_destroy,
-};
-
static bool mtk_dsi_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@@ -888,8 +880,8 @@ static int mtk_dsi_create_conn_enc(struct drm_device *drm, struct mtk_dsi *dsi)
{
int ret;
- ret = drm_encoder_init(drm, &dsi->encoder, &mtk_dsi_encoder_funcs,
- DRM_MODE_ENCODER_DSI, NULL);
+ ret = drm_simple_encoder_init(drm, &dsi->encoder,
+ DRM_MODE_ENCODER_DSI);
if (ret) {
DRM_ERROR("Failed to encoder init to drm\n");
return ret;
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index ff43a3d80410..7bc086ec74f7 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -311,14 +311,10 @@ static void mtk_hdmi_hw_send_info_frame(struct mtk_hdmi *hdmi, u8 *buffer,
u8 checksum;
int ctrl_frame_en = 0;
- frame_type = *buffer;
- buffer += 1;
- frame_ver = *buffer;
- buffer += 1;
- frame_len = *buffer;
- buffer += 1;
- checksum = *buffer;
- buffer += 1;
+ frame_type = *buffer++;
+ frame_ver = *buffer++;
+ frame_len = *buffer++;
+ checksum = *buffer++;
frame_data = buffer;
dev_dbg(hdmi->dev,
@@ -982,7 +978,7 @@ static int mtk_hdmi_setup_avi_infoframe(struct mtk_hdmi *hdmi,
struct drm_display_mode *mode)
{
struct hdmi_avi_infoframe frame;
- u8 buffer[17];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
ssize_t err;
err = drm_hdmi_avi_infoframe_from_display_mode(&frame,
@@ -1008,7 +1004,7 @@ static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi,
const char *product)
{
struct hdmi_spd_infoframe frame;
- u8 buffer[29];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_SPD_INFOFRAME_SIZE];
ssize_t err;
err = hdmi_spd_infoframe_init(&frame, vendor, product);
@@ -1031,7 +1027,7 @@ static int mtk_hdmi_setup_spd_infoframe(struct mtk_hdmi *hdmi,
static int mtk_hdmi_setup_audio_infoframe(struct mtk_hdmi *hdmi)
{
struct hdmi_audio_infoframe frame;
- u8 buffer[14];
+ u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE];
ssize_t err;
err = hdmi_audio_infoframe_init(&frame);
diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
index e4d34484ecc8..8cee2591e728 100644
--- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
+++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.c
@@ -88,6 +88,44 @@ static const struct phy_ops mtk_mipi_tx_ops = {
.owner = THIS_MODULE,
};
+static void mtk_mipi_tx_get_calibration_datal(struct mtk_mipi_tx *mipi_tx)
+{
+ struct nvmem_cell *cell;
+ size_t len;
+ u32 *buf;
+
+ cell = nvmem_cell_get(mipi_tx->dev, "calibration-data");
+ if (IS_ERR(cell)) {
+ dev_info(mipi_tx->dev, "can't get nvmem_cell_get, ignore it\n");
+ return;
+ }
+ buf = (u32 *)nvmem_cell_read(cell, &len);
+ nvmem_cell_put(cell);
+
+ if (IS_ERR(buf)) {
+ dev_info(mipi_tx->dev, "can't get data, ignore it\n");
+ return;
+ }
+
+ if (len < 3 * sizeof(u32)) {
+ dev_info(mipi_tx->dev, "invalid calibration data\n");
+ kfree(buf);
+ return;
+ }
+
+ mipi_tx->rt_code[0] = ((buf[0] >> 6 & 0x1f) << 5) |
+ (buf[0] >> 11 & 0x1f);
+ mipi_tx->rt_code[1] = ((buf[1] >> 27 & 0x1f) << 5) |
+ (buf[0] >> 1 & 0x1f);
+ mipi_tx->rt_code[2] = ((buf[1] >> 17 & 0x1f) << 5) |
+ (buf[1] >> 22 & 0x1f);
+ mipi_tx->rt_code[3] = ((buf[1] >> 7 & 0x1f) << 5) |
+ (buf[1] >> 12 & 0x1f);
+ mipi_tx->rt_code[4] = ((buf[2] >> 27 & 0x1f) << 5) |
+ (buf[1] >> 2 & 0x1f);
+ kfree(buf);
+}
+
static int mtk_mipi_tx_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -125,6 +163,20 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev)
return ret;
}
+ ret = of_property_read_u32(dev->of_node, "drive-strength-microamp",
+ &mipi_tx->mipitx_drive);
+ /* If can't get the "mipi_tx->mipitx_drive", set it default 0x8 */
+ if (ret < 0)
+ mipi_tx->mipitx_drive = 4600;
+
+ /* check the mipitx_drive valid */
+ if (mipi_tx->mipitx_drive > 6000 || mipi_tx->mipitx_drive < 3000) {
+ dev_warn(dev, "drive-strength-microamp is invalid %d, not in 3000 ~ 6000\n",
+ mipi_tx->mipitx_drive);
+ mipi_tx->mipitx_drive = clamp_val(mipi_tx->mipitx_drive, 3000,
+ 6000);
+ }
+
ref_clk_name = __clk_get_name(ref_clk);
ret = of_property_read_string(dev->of_node, "clock-output-names",
@@ -160,6 +212,8 @@ static int mtk_mipi_tx_probe(struct platform_device *pdev)
mipi_tx->dev = dev;
+ mtk_mipi_tx_get_calibration_datal(mipi_tx);
+
return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
mipi_tx->pll);
}
diff --git a/drivers/gpu/drm/mediatek/mtk_mipi_tx.h b/drivers/gpu/drm/mediatek/mtk_mipi_tx.h
index 413f35d86219..c76f07c3fdeb 100644
--- a/drivers/gpu/drm/mediatek/mtk_mipi_tx.h
+++ b/drivers/gpu/drm/mediatek/mtk_mipi_tx.h
@@ -12,9 +12,11 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/module.h>
+#include <linux/nvmem-consumer.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/phy/phy.h>
+#include <linux/slab.h>
struct mtk_mipitx_data {
const u32 mppll_preserve;
@@ -27,6 +29,8 @@ struct mtk_mipi_tx {
struct device *dev;
void __iomem *regs;
u32 data_rate;
+ u32 mipitx_drive;
+ u32 rt_code[5];
const struct mtk_mipitx_data *driver_data;
struct clk_hw pll_hw;
struct clk *pll;
diff --git a/drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c b/drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c
index 91f08a351fd0..9f3e55aeebb2 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt8183_mipi_tx.c
@@ -17,6 +17,9 @@
#define RG_DSI_BG_CORE_EN BIT(7)
#define RG_DSI_PAD_TIEL_SEL BIT(8)
+#define MIPITX_VOLTAGE_SEL 0x0010
+#define RG_DSI_HSTX_LDO_REF_SEL (0xf << 6)
+
#define MIPITX_PLL_PWR 0x0028
#define MIPITX_PLL_CON0 0x002c
#define MIPITX_PLL_CON1 0x0030
@@ -25,6 +28,7 @@
#define MIPITX_PLL_CON4 0x003c
#define RG_DSI_PLL_IBIAS (3 << 10)
+#define MIPITX_D2P_RTCODE 0x0100
#define MIPITX_D2_SW_CTL_EN 0x0144
#define MIPITX_D0_SW_CTL_EN 0x0244
#define MIPITX_CK_CKMODE_EN 0x0328
@@ -105,6 +109,24 @@ static const struct clk_ops mtk_mipi_tx_pll_ops = {
.recalc_rate = mtk_mipi_tx_pll_recalc_rate,
};
+static void mtk_mipi_tx_config_calibration_data(struct mtk_mipi_tx *mipi_tx)
+{
+ int i, j;
+
+ for (i = 0; i < 5; i++) {
+ if ((mipi_tx->rt_code[i] & 0x1f) == 0)
+ mipi_tx->rt_code[i] |= 0x10;
+
+ if ((mipi_tx->rt_code[i] >> 5 & 0x1f) == 0)
+ mipi_tx->rt_code[i] |= 0x10 << 5;
+
+ for (j = 0; j < 10; j++)
+ mtk_mipi_tx_update_bits(mipi_tx,
+ MIPITX_D2P_RTCODE * (i + 1) + j * 4,
+ 1, mipi_tx->rt_code[i] >> j & 1);
+ }
+}
+
static void mtk_mipi_tx_power_on_signal(struct phy *phy)
{
struct mtk_mipi_tx *mipi_tx = phy_get_drvdata(phy);
@@ -123,6 +145,12 @@ static void mtk_mipi_tx_power_on_signal(struct phy *phy)
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_D3_SW_CTL_EN, DSI_SW_CTL_EN);
mtk_mipi_tx_clear_bits(mipi_tx, MIPITX_CK_SW_CTL_EN, DSI_SW_CTL_EN);
+ mtk_mipi_tx_update_bits(mipi_tx, MIPITX_VOLTAGE_SEL,
+ RG_DSI_HSTX_LDO_REF_SEL,
+ (mipi_tx->mipitx_drive - 3000) / 200 << 6);
+
+ mtk_mipi_tx_config_calibration_data(mipi_tx);
+
mtk_mipi_tx_set_bits(mipi_tx, MIPITX_CK_CKMODE_EN, DSI_CK_CKMODE_EN);
}
diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c
index b5f5eb7b4bb9..4c5aafcec799 100644
--- a/drivers/gpu/drm/meson/meson_drv.c
+++ b/drivers/gpu/drm/meson/meson_drv.c
@@ -11,6 +11,7 @@
#include <linux/component.h>
#include <linux/module.h>
#include <linux/of_graph.h>
+#include <linux/sys_soc.h>
#include <linux/platform_device.h>
#include <linux/soc/amlogic/meson-canvas.h>
@@ -183,6 +184,24 @@ static void meson_remove_framebuffers(void)
kfree(ap);
}
+struct meson_drm_soc_attr {
+ struct meson_drm_soc_limits limits;
+ const struct soc_device_attribute *attrs;
+};
+
+static const struct meson_drm_soc_attr meson_drm_soc_attrs[] = {
+ /* S805X/S805Y HDMI PLL won't lock for HDMI PHY freq > 1,65GHz */
+ {
+ .limits = {
+ .max_hdmi_phy_freq = 1650000,
+ },
+ .attrs = (const struct soc_device_attribute []) {
+ { .soc_id = "GXL (S805*)", },
+ { /* sentinel */ },
+ }
+ },
+};
+
static int meson_drv_bind_master(struct device *dev, bool has_components)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -191,7 +210,7 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
struct drm_device *drm;
struct resource *res;
void __iomem *regs;
- int ret;
+ int ret, i;
/* Checks if an output connector is available */
if (!meson_vpu_has_available_connectors(dev)) {
@@ -281,10 +300,20 @@ static int meson_drv_bind_master(struct device *dev, bool has_components)
if (ret)
goto free_drm;
+ /* Assign limits per soc revision/package */
+ for (i = 0 ; i < ARRAY_SIZE(meson_drm_soc_attrs) ; ++i) {
+ if (soc_device_match(meson_drm_soc_attrs[i].attrs)) {
+ priv->limits = &meson_drm_soc_attrs[i].limits;
+ break;
+ }
+ }
+
/* Remove early framebuffers (ie. simplefb) */
meson_remove_framebuffers();
- drm_mode_config_init(drm);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ goto free_drm;
drm->mode_config.max_width = 3840;
drm->mode_config.max_height = 2160;
drm->mode_config.funcs = &meson_mode_config_funcs;
@@ -379,7 +408,6 @@ static void meson_drv_unbind(struct device *dev)
drm_dev_unregister(drm);
drm_irq_uninstall(drm);
drm_kms_helper_poll_fini(drm);
- drm_mode_config_cleanup(drm);
drm_dev_put(drm);
}
@@ -412,9 +440,7 @@ static int __maybe_unused meson_drv_pm_resume(struct device *dev)
if (priv->afbcd.ops)
priv->afbcd.ops->init(priv);
- drm_mode_config_helper_resume(priv->drm);
-
- return 0;
+ return drm_mode_config_helper_resume(priv->drm);
}
static int compare_of(struct device *dev, void *data)
diff --git a/drivers/gpu/drm/meson/meson_drv.h b/drivers/gpu/drm/meson/meson_drv.h
index 04fdf3826643..5b23704a80d6 100644
--- a/drivers/gpu/drm/meson/meson_drv.h
+++ b/drivers/gpu/drm/meson/meson_drv.h
@@ -30,6 +30,10 @@ struct meson_drm_match_data {
struct meson_afbcd_ops *afbcd_ops;
};
+struct meson_drm_soc_limits {
+ unsigned int max_hdmi_phy_freq;
+};
+
struct meson_drm {
struct device *dev;
enum vpu_compatible compat;
@@ -48,6 +52,8 @@ struct meson_drm {
struct drm_plane *primary_plane;
struct drm_plane *overlay_plane;
+ const struct meson_drm_soc_limits *limits;
+
/* Components Data */
struct {
bool osd1_enabled;
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index e8c94915a4fc..24a12c453095 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -695,7 +695,7 @@ dw_hdmi_mode_valid(struct drm_connector *connector,
dev_dbg(connector->dev->dev, "%s: vclk:%d phy=%d venc=%d hdmi=%d\n",
__func__, phy_freq, vclk_freq, venc_freq, hdmi_freq);
- return meson_vclk_vic_supported_freq(phy_freq, vclk_freq);
+ return meson_vclk_vic_supported_freq(priv, phy_freq, vclk_freq);
}
/* Encoder */
@@ -1034,10 +1034,8 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master,
return PTR_ERR(dw_plat_data->regm);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "Failed to get hdmi top irq\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_threaded_irq(dev, irq, dw_hdmi_top_irq,
dw_hdmi_top_thread_irq, IRQF_SHARED,
diff --git a/drivers/gpu/drm/meson/meson_plane.c b/drivers/gpu/drm/meson/meson_plane.c
index d5cbc47835bf..35338ed18209 100644
--- a/drivers/gpu/drm/meson/meson_plane.c
+++ b/drivers/gpu/drm/meson/meson_plane.c
@@ -223,7 +223,7 @@ static void meson_plane_atomic_update(struct drm_plane *plane,
priv->viu.osd1_blk0_cfg[0] |= OSD_BLK_MODE_16 |
OSD_COLOR_MATRIX_16_RGB565;
break;
- };
+ }
}
switch (fb->format->format) {
diff --git a/drivers/gpu/drm/meson/meson_vclk.c b/drivers/gpu/drm/meson/meson_vclk.c
index fdf26dac9fa8..0eb86943a358 100644
--- a/drivers/gpu/drm/meson/meson_vclk.c
+++ b/drivers/gpu/drm/meson/meson_vclk.c
@@ -725,6 +725,13 @@ meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq)
/* In DMT mode, path after PLL is always /10 */
freq *= 10;
+ /* Check against soc revision/package limits */
+ if (priv->limits) {
+ if (priv->limits->max_hdmi_phy_freq &&
+ freq > priv->limits->max_hdmi_phy_freq)
+ return MODE_CLOCK_HIGH;
+ }
+
if (meson_hdmi_pll_find_params(priv, freq, &m, &frac, &od))
return MODE_OK;
@@ -762,7 +769,7 @@ static void meson_hdmi_pll_generic_set(struct meson_drm *priv,
}
enum drm_mode_status
-meson_vclk_vic_supported_freq(unsigned int phy_freq,
+meson_vclk_vic_supported_freq(struct meson_drm *priv, unsigned int phy_freq,
unsigned int vclk_freq)
{
int i;
@@ -770,6 +777,13 @@ meson_vclk_vic_supported_freq(unsigned int phy_freq,
DRM_DEBUG_DRIVER("phy_freq = %d vclk_freq = %d\n",
phy_freq, vclk_freq);
+ /* Check against soc revision/package limits */
+ if (priv->limits) {
+ if (priv->limits->max_hdmi_phy_freq &&
+ phy_freq > priv->limits->max_hdmi_phy_freq)
+ return MODE_CLOCK_HIGH;
+ }
+
for (i = 0 ; params[i].pixel_freq ; ++i) {
DRM_DEBUG_DRIVER("i = %d pixel_freq = %d alt = %d\n",
i, params[i].pixel_freq,
diff --git a/drivers/gpu/drm/meson/meson_vclk.h b/drivers/gpu/drm/meson/meson_vclk.h
index aed0ab2efa71..60617aaf18dd 100644
--- a/drivers/gpu/drm/meson/meson_vclk.h
+++ b/drivers/gpu/drm/meson/meson_vclk.h
@@ -25,7 +25,8 @@ enum {
enum drm_mode_status
meson_vclk_dmt_supported_freq(struct meson_drm *priv, unsigned int freq);
enum drm_mode_status
-meson_vclk_vic_supported_freq(unsigned int phy_freq, unsigned int vclk_freq);
+meson_vclk_vic_supported_freq(struct meson_drm *priv, unsigned int phy_freq,
+ unsigned int vclk_freq);
void meson_vclk_setup(struct meson_drm *priv, unsigned int target,
unsigned int phy_freq, unsigned int vclk_freq,
diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c
index d491edd317ff..aebc9ce43d55 100644
--- a/drivers/gpu/drm/mgag200/mgag200_cursor.c
+++ b/drivers/gpu/drm/mgag200/mgag200_cursor.c
@@ -260,7 +260,7 @@ int mgag200_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
uint32_t handle, uint32_t width, uint32_t height)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = (struct mga_device *)dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
struct drm_gem_object *obj;
struct drm_gem_vram_object *gbo = NULL;
int ret;
@@ -307,7 +307,7 @@ err_drm_gem_object_put_unlocked:
int mgag200_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
{
- struct mga_device *mdev = (struct mga_device *)crtc->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(crtc->dev);
/* Our origin is at (64,64) */
x += 64;
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 7a5bad2f57d7..c2f0e4b40b05 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -77,6 +77,8 @@ static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto err_mgag200_driver_unload;
+ drm_fbdev_generic_setup(dev, 0);
+
return 0;
err_mgag200_driver_unload:
@@ -118,7 +120,7 @@ int mgag200_driver_dumb_create(struct drm_file *file,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
unsigned long pg_align;
if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized"))
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 9691252d6233..d9b7e96b214f 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -104,11 +104,6 @@ struct mga_crtc {
bool enabled;
};
-struct mga_mode_info {
- bool mode_config_initialized;
- struct mga_crtc *crtc;
-};
-
struct mga_i2c_chan {
struct i2c_adapter adapter;
struct drm_device *dev;
@@ -160,17 +155,14 @@ struct mga_device {
void __iomem *rmmio;
struct mga_mc mc;
- struct mga_mode_info mode_info;
struct mga_cursor cursor;
size_t vram_fb_available;
bool suspended;
- int num_crtc;
enum mga_type type;
int has_sdram;
- struct drm_display_mode mode;
int bpp_shifts[4];
@@ -179,9 +171,15 @@ struct mga_device {
/* SE model number stored in reg 0x1e24 */
u32 unique_rev_id;
+ struct mga_connector connector;
struct drm_encoder encoder;
};
+static inline struct mga_device *to_mga_device(struct drm_device *dev)
+{
+ return dev->dev_private;
+}
+
static inline enum mga_type
mgag200_type_from_driver_data(kernel_ulong_t driver_data)
{
@@ -196,7 +194,6 @@ mgag200_flags_from_driver_data(kernel_ulong_t driver_data)
/* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev);
-void mgag200_modeset_fini(struct mga_device *mdev);
/* mgag200_main.c */
int mgag200_driver_load(struct drm_device *dev, unsigned long flags);
diff --git a/drivers/gpu/drm/mgag200/mgag200_i2c.c b/drivers/gpu/drm/mgag200/mgag200_i2c.c
index 9f4635916d32..09731e614e46 100644
--- a/drivers/gpu/drm/mgag200/mgag200_i2c.c
+++ b/drivers/gpu/drm/mgag200/mgag200_i2c.c
@@ -61,34 +61,34 @@ static inline void mga_i2c_set(struct mga_device *mdev, int mask, int state)
static void mga_gpio_setsda(void *data, int state)
{
struct mga_i2c_chan *i2c = data;
- struct mga_device *mdev = i2c->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(i2c->dev);
mga_i2c_set(mdev, i2c->data, state);
}
static void mga_gpio_setscl(void *data, int state)
{
struct mga_i2c_chan *i2c = data;
- struct mga_device *mdev = i2c->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(i2c->dev);
mga_i2c_set(mdev, i2c->clock, state);
}
static int mga_gpio_getsda(void *data)
{
struct mga_i2c_chan *i2c = data;
- struct mga_device *mdev = i2c->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(i2c->dev);
return (mga_i2c_read_gpio(mdev) & i2c->data) ? 1 : 0;
}
static int mga_gpio_getscl(void *data)
{
struct mga_i2c_chan *i2c = data;
- struct mga_device *mdev = i2c->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(i2c->dev);
return (mga_i2c_read_gpio(mdev) & i2c->clock) ? 1 : 0;
}
struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev)
{
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
struct mga_i2c_chan *i2c;
int ret;
int data, clock;
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index e278b6a547bd..86df799fd38c 100644
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -10,15 +10,8 @@
#include <linux/pci.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-
#include "mgag200_drv.h"
-static const struct drm_mode_config_funcs mga_mode_funcs = {
- .fb_create = drm_gem_fb_create
-};
-
static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem)
{
int offset;
@@ -66,51 +59,54 @@ static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem)
/* Map the framebuffer from the card and configure the core */
static int mga_vram_init(struct mga_device *mdev)
{
+ struct drm_device *dev = mdev->dev;
void __iomem *mem;
/* BAR 0 is VRAM */
- mdev->mc.vram_base = pci_resource_start(mdev->dev->pdev, 0);
- mdev->mc.vram_window = pci_resource_len(mdev->dev->pdev, 0);
+ mdev->mc.vram_base = pci_resource_start(dev->pdev, 0);
+ mdev->mc.vram_window = pci_resource_len(dev->pdev, 0);
- if (!devm_request_mem_region(mdev->dev->dev, mdev->mc.vram_base, mdev->mc.vram_window,
- "mgadrmfb_vram")) {
+ if (!devm_request_mem_region(dev->dev, mdev->mc.vram_base,
+ mdev->mc.vram_window, "mgadrmfb_vram")) {
DRM_ERROR("can't reserve VRAM\n");
return -ENXIO;
}
- mem = pci_iomap(mdev->dev->pdev, 0, 0);
+ mem = pci_iomap(dev->pdev, 0, 0);
if (!mem)
return -ENOMEM;
mdev->mc.vram_size = mga_probe_vram(mdev, mem);
- pci_iounmap(mdev->dev->pdev, mem);
+ pci_iounmap(dev->pdev, mem);
return 0;
}
-static int mgag200_device_init(struct drm_device *dev,
- uint32_t flags)
+int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
{
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev;
int ret, option;
+ mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
+ if (mdev == NULL)
+ return -ENOMEM;
+ dev->dev_private = (void *)mdev;
+ mdev->dev = dev;
+
mdev->flags = mgag200_flags_from_driver_data(flags);
mdev->type = mgag200_type_from_driver_data(flags);
- /* Hardcode the number of CRTCs to 1 */
- mdev->num_crtc = 1;
-
pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option);
mdev->has_sdram = !(option & (1 << 14));
/* BAR 0 is the framebuffer, BAR 1 contains registers */
- mdev->rmmio_base = pci_resource_start(mdev->dev->pdev, 1);
- mdev->rmmio_size = pci_resource_len(mdev->dev->pdev, 1);
+ mdev->rmmio_base = pci_resource_start(dev->pdev, 1);
+ mdev->rmmio_size = pci_resource_len(dev->pdev, 1);
- if (!devm_request_mem_region(mdev->dev->dev, mdev->rmmio_base, mdev->rmmio_size,
- "mgadrmfb_mmio")) {
- DRM_ERROR("can't reserve mmio registers\n");
+ if (!devm_request_mem_region(dev->dev, mdev->rmmio_base,
+ mdev->rmmio_size, "mgadrmfb_mmio")) {
+ drm_err(dev, "can't reserve mmio registers\n");
return -ENOMEM;
}
@@ -121,90 +117,43 @@ static int mgag200_device_init(struct drm_device *dev,
/* stash G200 SE model number for later use */
if (IS_G200_SE(mdev)) {
mdev->unique_rev_id = RREG32(0x1e24);
- DRM_DEBUG("G200 SE unique revision id is 0x%x\n",
- mdev->unique_rev_id);
+ drm_dbg(dev, "G200 SE unique revision id is 0x%x\n",
+ mdev->unique_rev_id);
}
ret = mga_vram_init(mdev);
if (ret)
return ret;
- mdev->bpp_shifts[0] = 0;
- mdev->bpp_shifts[1] = 1;
- mdev->bpp_shifts[2] = 0;
- mdev->bpp_shifts[3] = 2;
- return 0;
-}
-
-/*
- * Functions here will be called by the core once it's bound the driver to
- * a PCI device
- */
-
-
-int mgag200_driver_load(struct drm_device *dev, unsigned long flags)
-{
- struct mga_device *mdev;
- int r;
-
- mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL);
- if (mdev == NULL)
- return -ENOMEM;
- dev->dev_private = (void *)mdev;
- mdev->dev = dev;
-
- r = mgag200_device_init(dev, flags);
- if (r) {
- dev_err(&dev->pdev->dev, "Fatal error during GPU init: %d\n", r);
- return r;
- }
- r = mgag200_mm_init(mdev);
- if (r)
+ ret = mgag200_mm_init(mdev);
+ if (ret)
goto err_mm;
- drm_mode_config_init(dev);
- dev->mode_config.funcs = (void *)&mga_mode_funcs;
- if (IS_G200_SE(mdev) && mdev->vram_fb_available < (2048*1024))
- dev->mode_config.preferred_depth = 16;
- else
- dev->mode_config.preferred_depth = 32;
- dev->mode_config.prefer_shadow = 1;
-
- r = mgag200_modeset_init(mdev);
- if (r) {
- dev_err(&dev->pdev->dev, "Fatal error during modeset init: %d\n", r);
- goto err_modeset;
+ ret = mgag200_modeset_init(mdev);
+ if (ret) {
+ drm_err(dev, "Fatal error during modeset init: %d\n", ret);
+ goto err_mgag200_mm_fini;
}
- r = mgag200_cursor_init(mdev);
- if (r)
- dev_warn(&dev->pdev->dev,
- "Could not initialize cursors. Not doing hardware cursors.\n");
-
- r = drm_fbdev_generic_setup(mdev->dev, 0);
- if (r)
- goto err_modeset;
+ ret = mgag200_cursor_init(mdev);
+ if (ret)
+ drm_err(dev, "Could not initialize cursors. Not doing hardware cursors.\n");
return 0;
-err_modeset:
- drm_mode_config_cleanup(dev);
- mgag200_cursor_fini(mdev);
+err_mgag200_mm_fini:
mgag200_mm_fini(mdev);
err_mm:
dev->dev_private = NULL;
-
- return r;
+ return ret;
}
void mgag200_driver_unload(struct drm_device *dev)
{
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
if (mdev == NULL)
return;
- mgag200_modeset_fini(mdev);
- drm_mode_config_cleanup(dev);
mgag200_cursor_fini(mdev);
mgag200_mm_fini(mdev);
dev->dev_private = NULL;
diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c
index d90e83959fca..5f4ac36a9776 100644
--- a/drivers/gpu/drm/mgag200/mgag200_mode.c
+++ b/drivers/gpu/drm/mgag200/mgag200_mode.c
@@ -13,6 +13,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
@@ -28,7 +29,7 @@
static void mga_crtc_load_lut(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
struct drm_framebuffer *fb = crtc->primary->fb;
u16 *r_ptr, *g_ptr, *b_ptr;
int i;
@@ -728,7 +729,7 @@ static int mga_crtc_set_plls(struct mga_device *mdev, long clock)
static void mga_g200wb_prepare(struct drm_crtc *crtc)
{
- struct mga_device *mdev = crtc->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(crtc->dev);
u8 tmp;
int iter_max;
@@ -783,7 +784,7 @@ static void mga_g200wb_prepare(struct drm_crtc *crtc)
static void mga_g200wb_commit(struct drm_crtc *crtc)
{
u8 tmp;
- struct mga_device *mdev = crtc->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(crtc->dev);
/* 1- The first step is to ensure that the vrsten and hrsten are set */
WREG8(MGAREG_CRTCEXT_INDEX, 1);
@@ -833,7 +834,7 @@ static void mga_g200wb_commit(struct drm_crtc *crtc)
*/
static void mga_set_start_address(struct drm_crtc *crtc, unsigned offset)
{
- struct mga_device *mdev = crtc->dev->dev_private;
+ struct mga_device *mdev = to_mga_device(crtc->dev);
u32 addr;
int count;
u8 crtcext0;
@@ -902,7 +903,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
int x, int y, struct drm_framebuffer *old_fb)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
const struct drm_framebuffer *fb = crtc->primary->fb;
int hdisplay, hsyncstart, hsyncend, htotal;
int vdisplay, vsyncstart, vsyncend, vtotal;
@@ -1135,9 +1136,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
WREG8(MGA_MISC_OUT, misc);
- if (adjusted_mode)
- memcpy(&mdev->mode, mode, sizeof(struct drm_display_mode));
-
mga_crtc_do_set_base(crtc, old_fb, x, y, 0);
/* reset tagfifo */
@@ -1263,7 +1261,7 @@ static int mga_resume(struct drm_crtc *crtc)
static void mga_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
u8 seq1 = 0, crtcext1 = 0;
switch (mode) {
@@ -1317,7 +1315,7 @@ static void mga_crtc_dpms(struct drm_crtc *crtc, int mode)
static void mga_crtc_prepare(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
u8 tmp;
/* mga_resume(crtc);*/
@@ -1353,7 +1351,7 @@ static void mga_crtc_prepare(struct drm_crtc *crtc)
static void mga_crtc_commit(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
- struct mga_device *mdev = dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
u8 tmp;
@@ -1433,6 +1431,7 @@ static const struct drm_crtc_helper_funcs mga_helper_funcs = {
/* CRTC setup */
static void mga_crtc_init(struct mga_device *mdev)
{
+ struct drm_device *dev = mdev->dev;
struct mga_crtc *mga_crtc;
mga_crtc = kzalloc(sizeof(struct mga_crtc) +
@@ -1442,14 +1441,17 @@ static void mga_crtc_init(struct mga_device *mdev)
if (mga_crtc == NULL)
return;
- drm_crtc_init(mdev->dev, &mga_crtc->base, &mga_crtc_funcs);
+ drm_crtc_init(dev, &mga_crtc->base, &mga_crtc_funcs);
drm_mode_crtc_set_gamma_size(&mga_crtc->base, MGAG200_LUT_SIZE);
- mdev->mode_info.crtc = mga_crtc;
drm_crtc_helper_add(&mga_crtc->base, &mga_helper_funcs);
}
+/*
+ * Connector
+ */
+
static int mga_vga_get_modes(struct drm_connector *connector)
{
struct mga_connector *mga_connector = to_mga_connector(connector);
@@ -1495,7 +1497,7 @@ static enum drm_mode_status mga_vga_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_device *dev = connector->dev;
- struct mga_device *mdev = (struct mga_device*)dev->dev_private;
+ struct mga_device *mdev = to_mga_device(dev);
int bpp = 32;
if (IS_G200_SE(mdev)) {
@@ -1574,7 +1576,6 @@ static void mga_connector_destroy(struct drm_connector *connector)
struct mga_connector *mga_connector = to_mga_connector(connector);
mgag200_i2c_destroy(mga_connector->i2c);
drm_connector_cleanup(connector);
- kfree(connector);
}
static const struct drm_connector_helper_funcs mga_vga_connector_helper_funcs = {
@@ -1588,70 +1589,96 @@ static const struct drm_connector_funcs mga_vga_connector_funcs = {
.destroy = mga_connector_destroy,
};
-static struct drm_connector *mga_vga_init(struct drm_device *dev)
+static int mgag200_vga_connector_init(struct mga_device *mdev)
{
- struct drm_connector *connector;
- struct mga_connector *mga_connector;
-
- mga_connector = kzalloc(sizeof(struct mga_connector), GFP_KERNEL);
- if (!mga_connector)
- return NULL;
-
- connector = &mga_connector->base;
- mga_connector->i2c = mgag200_i2c_create(dev);
- if (!mga_connector->i2c)
- DRM_ERROR("failed to add ddc bus\n");
+ struct drm_device *dev = mdev->dev;
+ struct mga_connector *mconnector = &mdev->connector;
+ struct drm_connector *connector = &mconnector->base;
+ struct mga_i2c_chan *i2c;
+ int ret;
- drm_connector_init_with_ddc(dev, connector,
- &mga_vga_connector_funcs,
- DRM_MODE_CONNECTOR_VGA,
- &mga_connector->i2c->adapter);
+ i2c = mgag200_i2c_create(dev);
+ if (!i2c)
+ drm_warn(dev, "failed to add DDC bus\n");
+ ret = drm_connector_init_with_ddc(dev, connector,
+ &mga_vga_connector_funcs,
+ DRM_MODE_CONNECTOR_VGA,
+ &i2c->adapter);
+ if (ret)
+ goto err_mgag200_i2c_destroy;
drm_connector_helper_add(connector, &mga_vga_connector_helper_funcs);
- drm_connector_register(connector);
+ mconnector->i2c = i2c;
- return connector;
+ return 0;
+
+err_mgag200_i2c_destroy:
+ mgag200_i2c_destroy(i2c);
+ return ret;
}
+static const struct drm_mode_config_funcs mgag200_mode_config_funcs = {
+ .fb_create = drm_gem_fb_create
+};
+
+static unsigned int mgag200_preferred_depth(struct mga_device *mdev)
+{
+ if (IS_G200_SE(mdev) && mdev->vram_fb_available < (2048*1024))
+ return 16;
+ else
+ return 32;
+}
int mgag200_modeset_init(struct mga_device *mdev)
{
+ struct drm_device *dev = mdev->dev;
struct drm_encoder *encoder = &mdev->encoder;
- struct drm_connector *connector;
+ struct drm_connector *connector = &mdev->connector.base;
int ret;
- mdev->mode_info.mode_config_initialized = true;
+ mdev->bpp_shifts[0] = 0;
+ mdev->bpp_shifts[1] = 1;
+ mdev->bpp_shifts[2] = 0;
+ mdev->bpp_shifts[3] = 2;
+
+ ret = drmm_mode_config_init(dev);
+ if (ret) {
+ drm_err(dev, "drmm_mode_config_init() failed, error %d\n",
+ ret);
+ return ret;
+ }
+
+ dev->mode_config.max_width = MGAG200_MAX_FB_WIDTH;
+ dev->mode_config.max_height = MGAG200_MAX_FB_HEIGHT;
- mdev->dev->mode_config.max_width = MGAG200_MAX_FB_WIDTH;
- mdev->dev->mode_config.max_height = MGAG200_MAX_FB_HEIGHT;
+ dev->mode_config.preferred_depth = mgag200_preferred_depth(mdev);
+ dev->mode_config.prefer_shadow = 1;
- mdev->dev->mode_config.fb_base = mdev->mc.vram_base;
+ dev->mode_config.fb_base = mdev->mc.vram_base;
+
+ dev->mode_config.funcs = &mgag200_mode_config_funcs;
mga_crtc_init(mdev);
- ret = drm_simple_encoder_init(mdev->dev, encoder,
- DRM_MODE_ENCODER_DAC);
+ ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
if (ret) {
- drm_err(mdev->dev,
+ drm_err(dev,
"drm_simple_encoder_init() failed, error %d\n",
ret);
return ret;
}
encoder->possible_crtcs = 0x1;
- connector = mga_vga_init(mdev->dev);
- if (!connector) {
- DRM_ERROR("mga_vga_init failed\n");
- return -1;
+ ret = mgag200_vga_connector_init(mdev);
+ if (ret) {
+ drm_err(dev,
+ "mgag200_vga_connector_init() failed, error %d\n",
+ ret);
+ return ret;
}
drm_connector_attach_encoder(connector, encoder);
return 0;
}
-
-void mgag200_modeset_fini(struct mga_device *mdev)
-{
-
-}
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
index 075ecce4b5e0..8cae2ca4af6b 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_debugfs.c
@@ -148,27 +148,19 @@ reset_set(void *data, u64 val)
DEFINE_SIMPLE_ATTRIBUTE(reset_fops, NULL, reset_set, "%llx\n");
-int a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor)
+void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor)
{
struct drm_device *dev;
- int ret;
if (!minor)
- return 0;
+ return;
dev = minor->dev;
- ret = drm_debugfs_create_files(a5xx_debugfs_list,
- ARRAY_SIZE(a5xx_debugfs_list),
- minor->debugfs_root, minor);
-
- if (ret) {
- DRM_DEV_ERROR(dev->dev, "could not install a5xx_debugfs_list\n");
- return ret;
- }
+ drm_debugfs_create_files(a5xx_debugfs_list,
+ ARRAY_SIZE(a5xx_debugfs_list),
+ minor->debugfs_root, minor);
debugfs_create_file("reset", S_IWUGO, minor->debugfs_root, dev,
&reset_fops);
-
- return 0;
}
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
index 833468ce6b6d..54868d4e3958 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h
@@ -41,7 +41,7 @@ struct a5xx_gpu {
#define to_a5xx_gpu(x) container_of(x, struct a5xx_gpu, base)
#ifdef CONFIG_DEBUG_FS
-int a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor);
+void a5xx_debugfs_init(struct msm_gpu *gpu, struct drm_minor *minor);
#endif
/*
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 211f5de99a44..9aba2910d83a 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -170,7 +170,7 @@ struct dpu_global_state
*
* Main debugfs documentation is located at,
*
- * Documentation/filesystems/debugfs.txt
+ * Documentation/filesystems/debugfs.rst
*
* @dpu_debugfs_setup_regset32: Initialize data for dpu_debugfs_create_regset32
* @dpu_debugfs_create_regset32: Create 32-bit register dump file
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index 47b989834af1..c902c6503675 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -259,17 +259,9 @@ static struct drm_info_list mdp5_debugfs_list[] = {
static int mdp5_kms_debugfs_init(struct msm_kms *kms, struct drm_minor *minor)
{
- struct drm_device *dev = minor->dev;
- int ret;
-
- ret = drm_debugfs_create_files(mdp5_debugfs_list,
- ARRAY_SIZE(mdp5_debugfs_list),
- minor->debugfs_root, minor);
-
- if (ret) {
- DRM_DEV_ERROR(dev->dev, "could not install mdp5_debugfs_list\n");
- return ret;
- }
+ drm_debugfs_create_files(mdp5_debugfs_list,
+ ARRAY_SIZE(mdp5_debugfs_list),
+ minor->debugfs_root, minor);
return 0;
}
diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c
index 1c74381a4fc9..ee2e270f464c 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.c
+++ b/drivers/gpu/drm/msm/msm_debugfs.c
@@ -214,31 +214,20 @@ int msm_debugfs_late_init(struct drm_device *dev)
return ret;
}
-int msm_debugfs_init(struct drm_minor *minor)
+void msm_debugfs_init(struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct msm_drm_private *priv = dev->dev_private;
- int ret;
-
- ret = drm_debugfs_create_files(msm_debugfs_list,
- ARRAY_SIZE(msm_debugfs_list),
- minor->debugfs_root, minor);
- if (ret) {
- DRM_DEV_ERROR(dev->dev, "could not install msm_debugfs_list\n");
- return ret;
- }
+ drm_debugfs_create_files(msm_debugfs_list,
+ ARRAY_SIZE(msm_debugfs_list),
+ minor->debugfs_root, minor);
debugfs_create_file("gpu", S_IRUSR, minor->debugfs_root,
dev, &msm_gpu_fops);
- if (priv->kms && priv->kms->funcs->debugfs_init) {
- ret = priv->kms->funcs->debugfs_init(priv->kms, minor);
- if (ret)
- return ret;
- }
-
- return ret;
+ if (priv->kms && priv->kms->funcs->debugfs_init)
+ priv->kms->funcs->debugfs_init(priv->kms, minor);
}
#endif
diff --git a/drivers/gpu/drm/msm/msm_debugfs.h b/drivers/gpu/drm/msm/msm_debugfs.h
index 2b91f8c178ad..ef58f66abbb3 100644
--- a/drivers/gpu/drm/msm/msm_debugfs.h
+++ b/drivers/gpu/drm/msm/msm_debugfs.h
@@ -8,7 +8,7 @@
#define __MSM_DEBUGFS_H__
#ifdef CONFIG_DEBUG_FS
-int msm_debugfs_init(struct drm_minor *minor);
+void msm_debugfs_init(struct drm_minor *minor);
#endif
#endif /* __MSM_DEBUGFS_H__ */
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index be5bc2e8425c..6ccae4ba905c 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -57,7 +57,7 @@ struct msm_gpu_funcs {
void (*show)(struct msm_gpu *gpu, struct msm_gpu_state *state,
struct drm_printer *p);
/* for generation specific debugfs: */
- int (*debugfs_init)(struct msm_gpu *gpu, struct drm_minor *minor);
+ void (*debugfs_init)(struct msm_gpu *gpu, struct drm_minor *minor);
#endif
unsigned long (*gpu_busy)(struct msm_gpu *gpu);
struct msm_gpu_state *(*gpu_state_get)(struct msm_gpu *gpu);
diff --git a/drivers/gpu/drm/nouveau/Kbuild b/drivers/gpu/drm/nouveau/Kbuild
index 7a62fa04272d..49e57fba4925 100644
--- a/drivers/gpu/drm/nouveau/Kbuild
+++ b/drivers/gpu/drm/nouveau/Kbuild
@@ -1,8 +1,10 @@
+NOUVEAU_PATH ?= $(srctree)
+
# SPDX-License-Identifier: MIT
-ccflags-y += -I $(srctree)/$(src)/include
-ccflags-y += -I $(srctree)/$(src)/include/nvkm
-ccflags-y += -I $(srctree)/$(src)/nvkm
-ccflags-y += -I $(srctree)/$(src)
+ccflags-y += -I $(NOUVEAU_PATH)/$(src)/include
+ccflags-y += -I $(NOUVEAU_PATH)/$(src)/include/nvkm
+ccflags-y += -I $(NOUVEAU_PATH)/$(src)/nvkm
+ccflags-y += -I $(NOUVEAU_PATH)/$(src)
# NVKM - HW resource manager
#- code also used by various userspace tools/tests
diff --git a/drivers/gpu/drm/nouveau/dispnv04/crtc.c b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
index 1f08de4241e0..2de589caf508 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/crtc.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/crtc.c
@@ -605,15 +605,16 @@ static int
nv_crtc_swap_fbs(struct drm_crtc *crtc, struct drm_framebuffer *old_fb)
{
struct nv04_display *disp = nv04_display(crtc->dev);
- struct nouveau_framebuffer *nvfb = nouveau_framebuffer(crtc->primary->fb);
+ struct drm_framebuffer *fb = crtc->primary->fb;
+ struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
int ret;
- ret = nouveau_bo_pin(nvfb->nvbo, TTM_PL_FLAG_VRAM, false);
+ ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, false);
if (ret == 0) {
if (disp->image[nv_crtc->index])
nouveau_bo_unpin(disp->image[nv_crtc->index]);
- nouveau_bo_ref(nvfb->nvbo, &disp->image[nv_crtc->index]);
+ nouveau_bo_ref(nvbo, &disp->image[nv_crtc->index]);
}
return ret;
@@ -822,8 +823,8 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
+ struct nouveau_bo *nvbo;
struct drm_framebuffer *drm_fb;
- struct nouveau_framebuffer *fb;
int arb_burst, arb_lwm;
NV_DEBUG(drm, "index %d\n", nv_crtc->index);
@@ -839,13 +840,12 @@ nv04_crtc_do_mode_set_base(struct drm_crtc *crtc,
*/
if (atomic) {
drm_fb = passed_fb;
- fb = nouveau_framebuffer(passed_fb);
} else {
drm_fb = crtc->primary->fb;
- fb = nouveau_framebuffer(crtc->primary->fb);
}
- nv_crtc->fb.offset = fb->nvbo->bo.offset;
+ nvbo = nouveau_gem_object(drm_fb->obj[0]);
+ nv_crtc->fb.offset = nvbo->bo.offset;
if (nv_crtc->lut.depth != drm_fb->format->depth) {
nv_crtc->lut.depth = drm_fb->format->depth;
@@ -1143,8 +1143,9 @@ nv04_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
- struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
+ struct drm_framebuffer *old_fb = crtc->primary->fb;
+ struct nouveau_bo *old_bo = nouveau_gem_object(old_fb->obj[0]);
+ struct nouveau_bo *new_bo = nouveau_gem_object(fb->obj[0]);
struct nv04_page_flip_state *s;
struct nouveau_channel *chan;
struct nouveau_cli *cli;
diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.c b/drivers/gpu/drm/nouveau/dispnv04/disp.c
index 44ee82d0c9b6..0f4ebefed1fd 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/disp.c
@@ -30,6 +30,7 @@
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
#include "nouveau_bo.h"
+#include "nouveau_gem.h"
#include <nvif/if0004.h>
@@ -52,13 +53,13 @@ nv04_display_fini(struct drm_device *dev, bool suspend)
/* Un-pin FB and cursors so they'll be evicted to system memory. */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct nouveau_framebuffer *nouveau_fb;
+ struct drm_framebuffer *fb = crtc->primary->fb;
+ struct nouveau_bo *nvbo;
- nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
- if (!nouveau_fb || !nouveau_fb->nvbo)
+ if (!fb || !fb->obj[0])
continue;
-
- nouveau_bo_unpin(nouveau_fb->nvbo);
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ nouveau_bo_unpin(nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
@@ -104,13 +105,13 @@ nv04_display_init(struct drm_device *dev, bool resume, bool runtime)
/* Re-pin FB/cursors. */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
- struct nouveau_framebuffer *nouveau_fb;
+ struct drm_framebuffer *fb = crtc->primary->fb;
+ struct nouveau_bo *nvbo;
- nouveau_fb = nouveau_framebuffer(crtc->primary->fb);
- if (!nouveau_fb || !nouveau_fb->nvbo)
+ if (!fb || !fb->obj[0])
continue;
-
- ret = nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM, true);
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, true);
if (ret)
NV_ERROR(drm, "Could not pin framebuffer\n");
}
diff --git a/drivers/gpu/drm/nouveau/dispnv04/overlay.c b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
index a3a0a73ae8ab..6248fd1dbc6d 100644
--- a/drivers/gpu/drm/nouveau/dispnv04/overlay.c
+++ b/drivers/gpu/drm/nouveau/dispnv04/overlay.c
@@ -31,6 +31,7 @@
#include "nouveau_bo.h"
#include "nouveau_connector.h"
#include "nouveau_display.h"
+#include "nouveau_gem.h"
#include "nvreg.h"
#include "disp.h"
@@ -120,9 +121,9 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
struct nvif_object *dev = &drm->client.device.object;
struct nouveau_plane *nv_plane =
container_of(plane, struct nouveau_plane, base);
- struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct nouveau_bo *cur = nv_plane->cur;
+ struct nouveau_bo *nvbo;
bool flip = nv_plane->flip;
int soff = NV_PCRTC0_SIZE * nv_crtc->index;
int soff2 = NV_PCRTC0_SIZE * !nv_crtc->index;
@@ -140,17 +141,18 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
if (ret)
return ret;
- ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, false);
if (ret)
return ret;
- nv_plane->cur = nv_fb->nvbo;
+ nv_plane->cur = nvbo;
nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff, NV_CRTC_FSEL_OVERLAY, NV_CRTC_FSEL_OVERLAY);
nvif_mask(dev, NV_PCRTC_ENGINE_CTRL + soff2, NV_CRTC_FSEL_OVERLAY, 0);
nvif_wr32(dev, NV_PVIDEO_BASE(flip), 0);
- nvif_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nv_fb->nvbo->bo.offset);
+ nvif_wr32(dev, NV_PVIDEO_OFFSET_BUFF(flip), nvbo->bo.offset);
nvif_wr32(dev, NV_PVIDEO_SIZE_IN(flip), src_h << 16 | src_w);
nvif_wr32(dev, NV_PVIDEO_POINT_IN(flip), src_y << 16 | src_x);
nvif_wr32(dev, NV_PVIDEO_DS_DX(flip), (src_w << 20) / crtc_w);
@@ -172,7 +174,7 @@ nv10_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
if (format & NV_PVIDEO_FORMAT_PLANAR) {
nvif_wr32(dev, NV_PVIDEO_UVPLANE_BASE(flip), 0);
nvif_wr32(dev, NV_PVIDEO_UVPLANE_OFFSET_BUFF(flip),
- nv_fb->nvbo->bo.offset + fb->offsets[1]);
+ nvbo->bo.offset + fb->offsets[1]);
}
nvif_wr32(dev, NV_PVIDEO_FORMAT(flip), format | fb->pitches[0]);
nvif_wr32(dev, NV_PVIDEO_STOP, 0);
@@ -368,8 +370,8 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
struct nvif_object *dev = &nouveau_drm(plane->dev)->client.device.object;
struct nouveau_plane *nv_plane =
container_of(plane, struct nouveau_plane, base);
- struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
struct nouveau_bo *cur = nv_plane->cur;
+ struct nouveau_bo *nvbo;
uint32_t overlay = 1;
int brightness = (nv_plane->brightness - 512) * 62 / 512;
int ret, i;
@@ -384,11 +386,12 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
if (ret)
return ret;
- ret = nouveau_bo_pin(nv_fb->nvbo, TTM_PL_FLAG_VRAM, false);
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, false);
if (ret)
return ret;
- nv_plane->cur = nv_fb->nvbo;
+ nv_plane->cur = nvbo;
nvif_wr32(dev, NV_PVIDEO_OE_STATE, 0);
nvif_wr32(dev, NV_PVIDEO_SU_STATE, 0);
@@ -396,7 +399,7 @@ nv04_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
for (i = 0; i < 2; i++) {
nvif_wr32(dev, NV_PVIDEO_BUFF0_START_ADDRESS + 4 * i,
- nv_fb->nvbo->bo.offset);
+ nvbo->bo.offset);
nvif_wr32(dev, NV_PVIDEO_BUFF0_PITCH_LENGTH + 4 * i,
fb->pitches[0]);
nvif_wr32(dev, NV_PVIDEO_BUFF0_OFFSET + 4 * i, 0);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/base507c.c b/drivers/gpu/drm/nouveau/dispnv50/base507c.c
index ee782151d332..511258bfbcbc 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/base507c.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/base507c.c
@@ -263,7 +263,8 @@ base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
struct nv50_disp_base_channel_dma_v0 args = {
.head = head,
};
- struct nv50_disp *disp = nv50_disp(drm->dev);
+ struct nouveau_display *disp = nouveau_display(drm->dev);
+ struct nv50_disp *disp50 = nv50_disp(drm->dev);
struct nv50_wndw *wndw;
int ret;
@@ -273,9 +274,9 @@ base507c_new_(const struct nv50_wndw_func *func, const u32 *format,
if (*pwndw = wndw, ret)
return ret;
- ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
+ ret = nv50_dmac_create(&drm->client.device, &disp->disp.object,
&oclass, head, &args, sizeof(args),
- disp->sync->bo.offset, &wndw->wndw);
+ disp50->sync->bo.offset, &wndw->wndw);
if (ret) {
NV_ERROR(drm, "base%04x allocation failed: %d\n", oclass, ret);
return ret;
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core.h b/drivers/gpu/drm/nouveau/dispnv50/core.h
index ff94f3f6f264..99157dc94d23 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/core.h
@@ -2,6 +2,7 @@
#define __NV50_KMS_CORE_H__
#include "disp.h"
#include "atom.h"
+#include <nouveau_encoder.h>
struct nv50_core {
const struct nv50_core_func *func;
@@ -15,6 +16,7 @@ void nv50_core_del(struct nv50_core **);
struct nv50_core_func {
void (*init)(struct nv50_core *);
void (*ntfy_init)(struct nouveau_bo *, u32 offset);
+ int (*caps_init)(struct nouveau_drm *, struct nv50_disp *);
int (*ntfy_wait_done)(struct nouveau_bo *, u32 offset,
struct nvif_device *);
void (*update)(struct nv50_core *, u32 *interlock, bool ntfy);
@@ -27,6 +29,9 @@ struct nv50_core_func {
const struct nv50_outp_func {
void (*ctrl)(struct nv50_core *, int or, u32 ctrl,
struct nv50_head_atom *);
+ /* XXX: Only used by SORs and PIORs for now */
+ void (*get_caps)(struct nv50_disp *,
+ struct nouveau_encoder *, int or);
} *dac, *pior, *sor;
};
@@ -35,6 +40,7 @@ int core507d_new_(const struct nv50_core_func *, struct nouveau_drm *, s32,
struct nv50_core **);
void core507d_init(struct nv50_core *);
void core507d_ntfy_init(struct nouveau_bo *, u32);
+int core507d_caps_init(struct nouveau_drm *, struct nv50_disp *);
int core507d_ntfy_wait_done(struct nouveau_bo *, u32, struct nvif_device *);
void core507d_update(struct nv50_core *, u32 *, bool);
@@ -51,6 +57,7 @@ extern const struct nv50_outp_func sor907d;
int core917d_new(struct nouveau_drm *, s32, struct nv50_core **);
int corec37d_new(struct nouveau_drm *, s32, struct nv50_core **);
+int corec37d_caps_init(struct nouveau_drm *, struct nv50_disp *);
int corec37d_ntfy_wait_done(struct nouveau_bo *, u32, struct nvif_device *);
void corec37d_update(struct nv50_core *, u32 *, bool);
void corec37d_wndw_owner(struct nv50_core *);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core507d.c b/drivers/gpu/drm/nouveau/dispnv50/core507d.c
index c5152c39c684..e341f572c269 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core507d.c
@@ -62,6 +62,20 @@ core507d_ntfy_init(struct nouveau_bo *bo, u32 offset)
nouveau_bo_wr32(bo, offset / 4, 0x00000000);
}
+int
+core507d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
+{
+ u32 *push = evo_wait(&disp->core->chan, 2);
+
+ if (push) {
+ evo_mthd(push, 0x008c, 1);
+ evo_data(push, 0x0);
+ evo_kick(push, &disp->core->chan);
+ }
+
+ return 0;
+}
+
void
core507d_init(struct nv50_core *core)
{
@@ -77,6 +91,7 @@ static const struct nv50_core_func
core507d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
+ .caps_init = core507d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head507d,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core827d.c b/drivers/gpu/drm/nouveau/dispnv50/core827d.c
index 6123a068f836..2e0c1c536afe 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core827d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core827d.c
@@ -26,6 +26,7 @@ static const struct nv50_core_func
core827d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
+ .caps_init = core507d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head827d,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core907d.c b/drivers/gpu/drm/nouveau/dispnv50/core907d.c
index ef822f813435..271629832629 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core907d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core907d.c
@@ -26,6 +26,7 @@ static const struct nv50_core_func
core907d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
+ .caps_init = core507d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head907d,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/core917d.c b/drivers/gpu/drm/nouveau/dispnv50/core917d.c
index 392338df5bfd..5cc072d4c30f 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/core917d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/core917d.c
@@ -26,6 +26,7 @@ static const struct nv50_core_func
core917d = {
.init = core507d_init,
.ntfy_init = core507d_ntfy_init,
+ .caps_init = core507d_caps_init,
.ntfy_wait_done = core507d_ntfy_wait_done,
.update = core507d_update,
.head = &head917d,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/corec37d.c b/drivers/gpu/drm/nouveau/dispnv50/corec37d.c
index c03cb987856b..e0c8811fb8e4 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/corec37d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/corec37d.c
@@ -22,6 +22,7 @@
#include "core.h"
#include "head.h"
+#include <nvif/class.h>
#include <nouveau_bo.h>
#include <nvif/timer.h>
@@ -87,6 +88,30 @@ corec37d_ntfy_init(struct nouveau_bo *bo, u32 offset)
nouveau_bo_wr32(bo, offset / 4 + 3, 0x00000000);
}
+int corec37d_caps_init(struct nouveau_drm *drm, struct nv50_disp *disp)
+{
+ int ret;
+
+ ret = nvif_object_init(&disp->disp->object, 0, GV100_DISP_CAPS,
+ NULL, 0, &disp->caps);
+ if (ret) {
+ NV_ERROR(drm,
+ "Failed to init notifier caps region: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = nvif_object_map(&disp->caps, NULL, 0);
+ if (ret) {
+ NV_ERROR(drm,
+ "Failed to map notifier caps region: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static void
corec37d_init(struct nv50_core *core)
{
@@ -111,6 +136,7 @@ static const struct nv50_core_func
corec37d = {
.init = corec37d_init,
.ntfy_init = corec37d_ntfy_init,
+ .caps_init = corec37d_caps_init,
.ntfy_wait_done = corec37d_ntfy_wait_done,
.update = corec37d_update,
.wndw.owner = corec37d_wndw_owner,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/corec57d.c b/drivers/gpu/drm/nouveau/dispnv50/corec57d.c
index 147adcd60937..10ba9e9e4ae6 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/corec57d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/corec57d.c
@@ -46,6 +46,7 @@ static const struct nv50_core_func
corec57d = {
.init = corec57d_init,
.ntfy_init = corec37d_ntfy_init,
+ .caps_init = corec37d_caps_init,
.ntfy_wait_done = corec37d_ntfy_wait_done,
.update = corec37d_update,
.wndw.owner = corec37d_wndw_owner,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
index 8c5cf096f69b..658a200ab616 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/curs507a.c
@@ -32,7 +32,7 @@
bool
curs507a_space(struct nv50_wndw *wndw)
{
- nvif_msec(&nouveau_drm(wndw->plane.dev)->client.device, 2,
+ nvif_msec(&nouveau_drm(wndw->plane.dev)->client.device, 100,
if (nvif_rd32(&wndw->wimm.base.user, 0x0008) >= 4)
return true;
);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 6be9df1820c5..7622490d8602 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -482,15 +482,16 @@ nv50_dac_create(struct drm_connector *connector, struct dcb_output *dcbe)
* audio component binding for ELD notification
*/
static void
-nv50_audio_component_eld_notify(struct drm_audio_component *acomp, int port)
+nv50_audio_component_eld_notify(struct drm_audio_component *acomp, int port,
+ int dev_id)
{
if (acomp && acomp->audio_ops && acomp->audio_ops->pin_eld_notify)
acomp->audio_ops->pin_eld_notify(acomp->audio_ops->audio_ptr,
- port, -1);
+ port, dev_id);
}
static int
-nv50_audio_component_get_eld(struct device *kdev, int port, int pipe,
+nv50_audio_component_get_eld(struct device *kdev, int port, int dev_id,
bool *enabled, unsigned char *buf, int max_bytes)
{
struct drm_device *drm_dev = dev_get_drvdata(kdev);
@@ -506,7 +507,8 @@ nv50_audio_component_get_eld(struct device *kdev, int port, int pipe,
nv_encoder = nouveau_encoder(encoder);
nv_connector = nouveau_encoder_connector_get(nv_encoder);
nv_crtc = nouveau_crtc(encoder->crtc);
- if (!nv_connector || !nv_crtc || nv_crtc->index != port)
+ if (!nv_connector || !nv_crtc || nv_encoder->or != port ||
+ nv_crtc->index != dev_id)
continue;
*enabled = drm_detect_monitor_audio(nv_connector->edid);
if (*enabled) {
@@ -600,7 +602,8 @@ nv50_audio_disable(struct drm_encoder *encoder, struct nouveau_crtc *nv_crtc)
nvif_mthd(&disp->disp->object, 0, &args, sizeof(args));
- nv50_audio_component_eld_notify(drm->audio.component, nv_crtc->index);
+ nv50_audio_component_eld_notify(drm->audio.component, nv_encoder->or,
+ nv_crtc->index);
}
static void
@@ -634,7 +637,8 @@ nv50_audio_enable(struct drm_encoder *encoder, struct drm_display_mode *mode)
nvif_mthd(&disp->disp->object, 0, &args,
sizeof(args.base) + drm_eld_size(args.data));
- nv50_audio_component_eld_notify(drm->audio.component, nv_crtc->index);
+ nv50_audio_component_eld_notify(drm->audio.component, nv_encoder->or,
+ nv_crtc->index);
}
/******************************************************************************
@@ -904,15 +908,9 @@ nv50_msto_atomic_check(struct drm_encoder *encoder,
if (!state->duplicated) {
const int clock = crtc_state->adjusted_mode.clock;
- /*
- * XXX: Since we don't use HDR in userspace quite yet, limit
- * the bpc to 8 to save bandwidth on the topology. In the
- * future, we'll want to properly fix this by dynamically
- * selecting the highest possible bpc that would fit in the
- * topology
- */
- asyh->or.bpc = min(connector->display_info.bpc, 8U);
- asyh->dp.pbn = drm_dp_calc_pbn_mode(clock, asyh->or.bpc * 3, false);
+ asyh->or.bpc = connector->display_info.bpc;
+ asyh->dp.pbn = drm_dp_calc_pbn_mode(clock, asyh->or.bpc * 3,
+ false);
}
slots = drm_dp_atomic_find_vcpi_slots(state, &mstm->mgr, mstc->port,
@@ -1058,7 +1056,14 @@ static enum drm_mode_status
nv50_mstc_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- return MODE_OK;
+ struct nv50_mstc *mstc = nv50_mstc(connector);
+ struct nouveau_encoder *outp = mstc->mstm->outp;
+
+ /* TODO: calculate the PBN from the dotclock and validate against the
+ * MSTB's max possible PBN
+ */
+
+ return nv50_dp_mode_valid(connector, outp, mode, NULL);
}
static int
@@ -1072,8 +1077,17 @@ nv50_mstc_get_modes(struct drm_connector *connector)
if (mstc->edid)
ret = drm_add_edid_modes(&mstc->connector, mstc->edid);
- if (!mstc->connector.display_info.bpc)
- mstc->connector.display_info.bpc = 8;
+ /*
+ * XXX: Since we don't use HDR in userspace quite yet, limit the bpc
+ * to 8 to save bandwidth on the topology. In the future, we'll want
+ * to properly fix this by dynamically selecting the highest possible
+ * bpc that would fit in the topology
+ */
+ if (connector->display_info.bpc)
+ connector->display_info.bpc =
+ clamp(connector->display_info.bpc, 6U, 8U);
+ else
+ connector->display_info.bpc = 8;
if (mstc->native)
drm_mode_destroy(mstc->connector.dev, mstc->native);
@@ -1123,8 +1137,10 @@ nv50_mstc_detect(struct drm_connector *connector,
return connector_status_disconnected;
ret = pm_runtime_get_sync(connector->dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(connector->dev->dev);
return connector_status_disconnected;
+ }
ret = drm_dp_mst_detect_port(connector, ctx, mstc->port->mgr,
mstc->port);
@@ -1659,6 +1675,7 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
struct nouveau_encoder *nv_encoder;
struct drm_encoder *encoder;
+ struct nv50_disp *disp = nv50_disp(connector->dev);
int type, ret;
switch (dcbe->type) {
@@ -1685,10 +1702,12 @@ nv50_sor_create(struct drm_connector *connector, struct dcb_output *dcbe)
drm_connector_attach_encoder(connector, encoder);
+ disp->core->func->sor->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1);
+
if (dcbe->type == DCB_OUTPUT_DP) {
- struct nv50_disp *disp = nv50_disp(encoder->dev);
struct nvkm_i2c_aux *aux =
nvkm_i2c_aux_find(i2c, dcbe->i2c_index);
+
if (aux) {
if (disp->disp->object.oclass < GF110_DISP) {
/* HW has no support for address-only
@@ -1801,7 +1820,9 @@ nv50_pior_func = {
static int
nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
{
- struct nouveau_drm *drm = nouveau_drm(connector->dev);
+ struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nv50_disp *disp = nv50_disp(dev);
struct nvkm_i2c *i2c = nvxx_i2c(&drm->client.device);
struct nvkm_i2c_bus *bus = NULL;
struct nvkm_i2c_aux *aux = NULL;
@@ -1840,6 +1861,9 @@ nv50_pior_create(struct drm_connector *connector, struct dcb_output *dcbe)
drm_encoder_helper_add(encoder, &nv50_pior_help);
drm_connector_attach_encoder(connector, encoder);
+
+ disp->core->func->pior->get_caps(disp, nv_encoder, ffs(dcbe->or) - 1);
+
return 0;
}
@@ -2369,7 +2393,8 @@ nv50_display_init(struct drm_device *dev, bool resume, bool runtime)
struct drm_encoder *encoder;
struct drm_plane *plane;
- core->func->init(core);
+ if (resume || runtime)
+ core->func->init(core);
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (encoder->encoder_type != DRM_MODE_ENCODER_DPMST) {
@@ -2396,6 +2421,8 @@ nv50_display_destroy(struct drm_device *dev)
nv50_audio_component_fini(nouveau_drm(dev));
+ nvif_object_unmap(&disp->caps);
+ nvif_object_fini(&disp->caps);
nv50_core_del(&disp->core);
nouveau_bo_unmap(disp->sync);
@@ -2456,6 +2483,22 @@ nv50_display_create(struct drm_device *dev)
if (ret)
goto out;
+ disp->core->func->init(disp->core);
+ if (disp->core->func->caps_init) {
+ ret = disp->core->func->caps_init(drm, disp);
+ if (ret)
+ goto out;
+ }
+
+ /* Assign the correct format modifiers */
+ if (disp->disp->object.oclass >= TU102_DISP)
+ nouveau_display(dev)->format_modifiers = wndwc57e_modifiers;
+ else
+ if (disp->disp->object.oclass >= GF110_DISP)
+ nouveau_display(dev)->format_modifiers = disp90xx_modifiers;
+ else
+ nouveau_display(dev)->format_modifiers = disp50xx_modifiers;
+
/* create crtc objects to represent the hw heads */
if (disp->disp->object.oclass >= GV100_DISP)
crtcs = nvif_rd32(&device->object, 0x610060) & 0xff;
@@ -2551,3 +2594,53 @@ out:
nv50_display_destroy(dev);
return ret;
}
+
+/******************************************************************************
+ * Format modifiers
+ *****************************************************************************/
+
+/****************************************************************
+ * Log2(block height) ----------------------------+ *
+ * Page Kind ----------------------------------+ | *
+ * Gob Height/Page Kind Generation ------+ | | *
+ * Sector layout -------+ | | | *
+ * Compression ------+ | | | | */
+const u64 disp50xx_modifiers[] = { /* | | | | | */
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 0),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 1),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 2),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 3),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 4),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x7a, 5),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 0),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 1),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 2),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 3),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 4),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x78, 5),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 0),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 1),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 2),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 3),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 4),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 1, 0x70, 5),
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+};
+
+/****************************************************************
+ * Log2(block height) ----------------------------+ *
+ * Page Kind ----------------------------------+ | *
+ * Gob Height/Page Kind Generation ------+ | | *
+ * Sector layout -------+ | | | *
+ * Compression ------+ | | | | */
+const u64 disp90xx_modifiers[] = { /* | | | | | */
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 0),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 1),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 2),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 3),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 4),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 0, 0xfe, 5),
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index d54fe00ac3a3..696e70a6b98b 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -9,6 +9,7 @@ struct nv50_msto;
struct nv50_disp {
struct nvif_disp *disp;
struct nv50_core *core;
+ struct nvif_object caps;
#define NV50_DISP_SYNC(c, o) ((c) * 0x040 + (o))
#define NV50_DISP_CORE_NTFY NV50_DISP_SYNC(0 , 0x00)
@@ -78,6 +79,10 @@ void nv50_dmac_destroy(struct nv50_dmac *);
u32 *evo_wait(struct nv50_dmac *, int nr);
void evo_kick(u32 *, struct nv50_dmac *);
+extern const u64 disp50xx_modifiers[];
+extern const u64 disp90xx_modifiers[];
+extern const u64 wndwc57e_modifiers[];
+
#define evo_mthd(p, m, s) do { \
const u32 _m = (m), _s = (s); \
if (drm_debug_enabled(DRM_UT_KMS)) \
diff --git a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
index 00011ce109a6..4a9a32b89f74 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/headc37d.c
@@ -168,14 +168,15 @@ headc37d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
struct nv50_head_mode *m = &asyh->mode;
u32 *push;
- if ((push = evo_wait(core, 12))) {
+ if ((push = evo_wait(core, 13))) {
evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
evo_data(push, (m->v.active << 16) | m->h.active );
evo_data(push, (m->v.synce << 16) | m->h.synce );
evo_data(push, (m->v.blanke << 16) | m->h.blanke );
evo_data(push, (m->v.blanks << 16) | m->h.blanks );
evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
- evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
+ evo_mthd(push, 0x2008 + (head->base.index * 0x400), 2);
+ evo_data(push, m->interlace);
evo_data(push, m->clock * 1000);
evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
evo_data(push, m->clock * 1000);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/headc57d.c b/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
index 938d910a1b1e..859131a8bc3c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/headc57d.c
@@ -173,14 +173,15 @@ headc57d_mode(struct nv50_head *head, struct nv50_head_atom *asyh)
struct nv50_dmac *core = &nv50_disp(head->base.base.dev)->core->chan;
struct nv50_head_mode *m = &asyh->mode;
u32 *push;
- if ((push = evo_wait(core, 12))) {
+ if ((push = evo_wait(core, 13))) {
evo_mthd(push, 0x2064 + (head->base.index * 0x400), 5);
evo_data(push, (m->v.active << 16) | m->h.active );
evo_data(push, (m->v.synce << 16) | m->h.synce );
evo_data(push, (m->v.blanke << 16) | m->h.blanke );
evo_data(push, (m->v.blanks << 16) | m->h.blanks );
evo_data(push, (m->v.blank2e << 16) | m->v.blank2s);
- evo_mthd(push, 0x200c + (head->base.index * 0x400), 1);
+ evo_mthd(push, 0x2008 + (head->base.index * 0x400), 2);
+ evo_data(push, m->interlace);
evo_data(push, m->clock * 1000);
evo_mthd(push, 0x2028 + (head->base.index * 0x400), 1);
evo_data(push, m->clock * 1000);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/pior507d.c b/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
index d2bac6a341dc..45d8ce7d2c28 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/pior507d.c
@@ -38,7 +38,15 @@ pior507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
}
}
+static void
+pior507d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp,
+ int or)
+{
+ outp->caps.dp_interlace = true;
+}
+
const struct nv50_outp_func
pior507d = {
.ctrl = pior507d_ctrl,
+ .get_caps = pior507d_get_caps,
};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/sor507d.c b/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
index 5222fe6a9b21..9a59fa7da00d 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/sor507d.c
@@ -38,7 +38,14 @@ sor507d_ctrl(struct nv50_core *core, int or, u32 ctrl,
}
}
+static void
+sor507d_get_caps(struct nv50_disp *core, struct nouveau_encoder *outp, int or)
+{
+ outp->caps.dp_interlace = true;
+}
+
const struct nv50_outp_func
sor507d = {
.ctrl = sor507d_ctrl,
+ .get_caps = sor507d_get_caps,
};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/sor907d.c b/drivers/gpu/drm/nouveau/dispnv50/sor907d.c
index b0314ec11fb3..9577ccf1c809 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/sor907d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/sor907d.c
@@ -21,6 +21,7 @@
*/
#include "core.h"
+#include <nouveau_bo.h>
#include <nvif/class.h>
static void
@@ -35,7 +36,17 @@ sor907d_ctrl(struct nv50_core *core, int or, u32 ctrl,
}
}
+static void
+sor907d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp, int or)
+{
+ const int off = or * 2;
+ u32 tmp = nouveau_bo_rd32(disp->sync, 0x000014 + off);
+
+ outp->caps.dp_interlace = !!(tmp & 0x04000000);
+}
+
const struct nv50_outp_func
sor907d = {
.ctrl = sor907d_ctrl,
+ .get_caps = sor907d_get_caps,
};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/sorc37d.c b/drivers/gpu/drm/nouveau/dispnv50/sorc37d.c
index dff059241c5d..c86ca955fdcd 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/sorc37d.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/sorc37d.c
@@ -33,7 +33,16 @@ sorc37d_ctrl(struct nv50_core *core, int or, u32 ctrl,
}
}
+static void
+sorc37d_get_caps(struct nv50_disp *disp, struct nouveau_encoder *outp, int or)
+{
+ u32 tmp = nvif_rd32(&disp->caps, 0x000144 + (or * 8));
+
+ outp->caps.dp_interlace = !!(tmp & 0x04000000);
+}
+
const struct nv50_outp_func
sorc37d = {
.ctrl = sorc37d_ctrl,
+ .get_caps = sorc37d_get_caps,
};
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndw.c b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
index bb737f9281e6..e25ead56052c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndw.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndw.c
@@ -29,6 +29,7 @@
#include <drm/drm_fourcc.h>
#include "nouveau_bo.h"
+#include "nouveau_gem.h"
static void
nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
@@ -39,12 +40,13 @@ nv50_wndw_ctxdma_del(struct nv50_wndw_ctxdma *ctxdma)
}
static struct nv50_wndw_ctxdma *
-nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb)
+nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct drm_framebuffer *fb)
{
- struct nouveau_drm *drm = nouveau_drm(fb->base.dev);
+ struct nouveau_drm *drm = nouveau_drm(fb->dev);
struct nv50_wndw_ctxdma *ctxdma;
- const u8 kind = fb->nvbo->kind;
- const u32 handle = 0xfb000000 | kind;
+ u32 handle;
+ u32 unused;
+ u8 kind;
struct {
struct nv_dma_v0 base;
union {
@@ -56,6 +58,9 @@ nv50_wndw_ctxdma_new(struct nv50_wndw *wndw, struct nouveau_framebuffer *fb)
u32 argc = sizeof(args.base);
int ret;
+ nouveau_framebuffer_get_layout(fb, &unused, &kind);
+ handle = 0xfb000000 | kind;
+
list_for_each_entry(ctxdma, &wndw->ctxdma.list, head) {
if (ctxdma->object.handle == handle)
return ctxdma;
@@ -234,16 +239,20 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
struct nv50_wndw_atom *asyw,
struct nv50_head_atom *asyh)
{
- struct nouveau_framebuffer *fb = nouveau_framebuffer(asyw->state.fb);
+ struct drm_framebuffer *fb = asyw->state.fb;
struct nouveau_drm *drm = nouveau_drm(wndw->plane.dev);
+ uint8_t kind;
+ uint32_t tile_mode;
int ret;
NV_ATOMIC(drm, "%s acquire\n", wndw->plane.name);
- if (asyw->state.fb != armw->state.fb || !armw->visible || modeset) {
- asyw->image.w = fb->base.width;
- asyw->image.h = fb->base.height;
- asyw->image.kind = fb->nvbo->kind;
+ if (fb != armw->state.fb || !armw->visible || modeset) {
+ nouveau_framebuffer_get_layout(fb, &tile_mode, &kind);
+
+ asyw->image.w = fb->width;
+ asyw->image.h = fb->height;
+ asyw->image.kind = kind;
ret = nv50_wndw_atomic_check_acquire_rgb(asyw);
if (ret) {
@@ -255,16 +264,16 @@ nv50_wndw_atomic_check_acquire(struct nv50_wndw *wndw, bool modeset,
if (asyw->image.kind) {
asyw->image.layout = 0;
if (drm->client.device.info.chipset >= 0xc0)
- asyw->image.blockh = fb->nvbo->mode >> 4;
+ asyw->image.blockh = tile_mode >> 4;
else
- asyw->image.blockh = fb->nvbo->mode;
- asyw->image.blocks[0] = fb->base.pitches[0] / 64;
+ asyw->image.blockh = tile_mode;
+ asyw->image.blocks[0] = fb->pitches[0] / 64;
asyw->image.pitch[0] = 0;
} else {
asyw->image.layout = 1;
asyw->image.blockh = 0;
asyw->image.blocks[0] = 0;
- asyw->image.pitch[0] = fb->base.pitches[0];
+ asyw->image.pitch[0] = fb->pitches[0];
}
if (!asyh->state.async_flip)
@@ -471,47 +480,50 @@ nv50_wndw_atomic_check(struct drm_plane *plane, struct drm_plane_state *state)
static void
nv50_wndw_cleanup_fb(struct drm_plane *plane, struct drm_plane_state *old_state)
{
- struct nouveau_framebuffer *fb = nouveau_framebuffer(old_state->fb);
struct nouveau_drm *drm = nouveau_drm(plane->dev);
+ struct nouveau_bo *nvbo;
NV_ATOMIC(drm, "%s cleanup: %p\n", plane->name, old_state->fb);
if (!old_state->fb)
return;
- nouveau_bo_unpin(fb->nvbo);
+ nvbo = nouveau_gem_object(old_state->fb->obj[0]);
+ nouveau_bo_unpin(nvbo);
}
static int
nv50_wndw_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state)
{
- struct nouveau_framebuffer *fb = nouveau_framebuffer(state->fb);
+ struct drm_framebuffer *fb = state->fb;
struct nouveau_drm *drm = nouveau_drm(plane->dev);
struct nv50_wndw *wndw = nv50_wndw(plane);
struct nv50_wndw_atom *asyw = nv50_wndw_atom(state);
+ struct nouveau_bo *nvbo;
struct nv50_head_atom *asyh;
struct nv50_wndw_ctxdma *ctxdma;
int ret;
- NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, state->fb);
+ NV_ATOMIC(drm, "%s prepare: %p\n", plane->name, fb);
if (!asyw->state.fb)
return 0;
- ret = nouveau_bo_pin(fb->nvbo, TTM_PL_FLAG_VRAM, true);
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM, true);
if (ret)
return ret;
if (wndw->ctxdma.parent) {
ctxdma = nv50_wndw_ctxdma_new(wndw, fb);
if (IS_ERR(ctxdma)) {
- nouveau_bo_unpin(fb->nvbo);
+ nouveau_bo_unpin(nvbo);
return PTR_ERR(ctxdma);
}
asyw->image.handle[0] = ctxdma->object.handle;
}
- asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv);
- asyw->image.offset[0] = fb->nvbo->bo.offset;
+ asyw->state.fence = dma_resv_get_excl_rcu(nvbo->bo.base.resv);
+ asyw->image.offset[0] = nvbo->bo.offset;
if (wndw->func->prepare) {
asyh = nv50_head_atom_get(asyw->state.state, asyw->state.crtc);
@@ -603,6 +615,29 @@ nv50_wndw_destroy(struct drm_plane *plane)
kfree(wndw);
}
+/* This function assumes the format has already been validated against the plane
+ * and the modifier was validated against the device-wides modifier list at FB
+ * creation time.
+ */
+static bool nv50_plane_format_mod_supported(struct drm_plane *plane,
+ u32 format, u64 modifier)
+{
+ struct nouveau_drm *drm = nouveau_drm(plane->dev);
+ uint8_t i;
+
+ if (drm->client.device.info.chipset < 0xc0) {
+ const struct drm_format_info *info = drm_format_info(format);
+ const uint8_t kind = (modifier >> 12) & 0xff;
+
+ if (!format) return false;
+
+ for (i = 0; i < info->num_planes; i++)
+ if ((info->cpp[i] != 4) && kind != 0x70) return false;
+ }
+
+ return true;
+}
+
const struct drm_plane_funcs
nv50_wndw = {
.update_plane = drm_atomic_helper_update_plane,
@@ -611,6 +646,7 @@ nv50_wndw = {
.reset = nv50_wndw_reset,
.atomic_duplicate_state = nv50_wndw_atomic_duplicate_state,
.atomic_destroy_state = nv50_wndw_atomic_destroy_state,
+ .format_mod_supported = nv50_plane_format_mod_supported,
};
static int
@@ -658,7 +694,8 @@ nv50_wndw_new_(const struct nv50_wndw_func *func, struct drm_device *dev,
for (nformat = 0; format[nformat]; nformat++);
ret = drm_universal_plane_init(dev, &wndw->plane, heads, &nv50_wndw,
- format, nformat, NULL,
+ format, nformat,
+ nouveau_display(dev)->format_modifiers,
type, "%s-%d", name, index);
if (ret) {
kfree(*pwndw);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c b/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c
index 35c9c52fab26..1d64741595ba 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wndwc57e.c
@@ -173,6 +173,23 @@ wndwc57e_ilut(struct nv50_wndw *wndw, struct nv50_wndw_atom *asyw, int size)
return true;
}
+/****************************************************************
+ * Log2(block height) ----------------------------+ *
+ * Page Kind ----------------------------------+ | *
+ * Gob Height/Page Kind Generation ------+ | | *
+ * Sector layout -------+ | | | *
+ * Compression ------+ | | | | */
+const u64 wndwc57e_modifiers[] = { /* | | | | | */
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 0),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 1),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 2),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 3),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 4),
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 1, 2, 0x06, 5),
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID
+};
+
static const struct nv50_wndw_func
wndwc57e = {
.acquire = wndwc37e_acquire,
diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h
index 30659747ffe8..2c79beb41126 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/class.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/class.h
@@ -89,6 +89,8 @@
#define GV100_DISP /* cl5070.h */ 0x0000c370
#define TU102_DISP /* cl5070.h */ 0x0000c570
+#define GV100_DISP_CAPS 0x0000c373
+
#define NV31_MPEG 0x00003174
#define G82_MPEG 0x00008274
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
index 1218f28c14ba..76288c682e9e 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h
@@ -24,6 +24,8 @@ struct nvkm_subdev_func {
};
extern const char *nvkm_subdev_name[NVKM_SUBDEV_NR];
+int nvkm_subdev_new_(const struct nvkm_subdev_func *, struct nvkm_device *,
+ int index, struct nvkm_subdev **);
void nvkm_subdev_ctor(const struct nvkm_subdev_func *, struct nvkm_device *,
int index, struct nvkm_subdev *);
void nvkm_subdev_del(struct nvkm_subdev **);
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index fe3a10255c36..69a84d0197d0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -49,7 +49,6 @@ static struct nouveau_dsm_priv {
bool optimus_flags_detected;
bool optimus_skip_dsm;
acpi_handle dhandle;
- acpi_handle rom_handle;
} nouveau_dsm_priv;
bool nouveau_is_optimus(void) {
@@ -212,37 +211,6 @@ static const struct vga_switcheroo_handler nouveau_dsm_handler = {
.get_client_id = nouveau_dsm_get_client_id,
};
-/*
- * Firmware supporting Windows 8 or later do not use _DSM to put the device into
- * D3cold, they instead rely on disabling power resources on the parent.
- */
-static bool nouveau_pr3_present(struct pci_dev *pdev)
-{
- struct pci_dev *parent_pdev = pci_upstream_bridge(pdev);
- struct acpi_device *parent_adev;
-
- if (!parent_pdev)
- return false;
-
- if (!parent_pdev->bridge_d3) {
- /*
- * Parent PCI bridge is currently not power managed.
- * Since userspace can change these afterwards to be on
- * the safe side we stick with _DSM and prevent usage of
- * _PR3 from the bridge.
- */
- pci_d3cold_disable(pdev);
- return false;
- }
-
- parent_adev = ACPI_COMPANION(&parent_pdev->dev);
- if (!parent_adev)
- return false;
-
- return parent_adev->power.flags.power_resources &&
- acpi_has_method(parent_adev->handle, "_PR3");
-}
-
static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out,
bool *has_mux, bool *has_opt,
bool *has_opt_flags, bool *has_pr3)
@@ -250,6 +218,16 @@ static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out
acpi_handle dhandle;
bool supports_mux;
int optimus_funcs;
+ struct pci_dev *parent_pdev;
+
+ *has_pr3 = false;
+ parent_pdev = pci_upstream_bridge(pdev);
+ if (parent_pdev) {
+ if (parent_pdev->bridge_d3)
+ *has_pr3 = pci_pr3_present(parent_pdev);
+ else
+ pci_d3cold_disable(pdev);
+ }
dhandle = ACPI_HANDLE(&pdev->dev);
if (!dhandle)
@@ -270,7 +248,6 @@ static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out
*has_mux = supports_mux;
*has_opt = !!optimus_funcs;
*has_opt_flags = optimus_funcs & (1 << NOUVEAU_DSM_OPTIMUS_FLAGS);
- *has_pr3 = false;
if (optimus_funcs) {
uint32_t result;
@@ -280,8 +257,6 @@ static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out
(result & OPTIMUS_ENABLED) ? "enabled" : "disabled",
(result & OPTIMUS_DYNAMIC_PWR_CAP) ? "dynamic power, " : "",
(result & OPTIMUS_HDA_CODEC_MASK) ? "hda bios codec supported" : "");
-
- *has_pr3 = nouveau_pr3_present(pdev);
}
}
@@ -385,59 +360,6 @@ void nouveau_unregister_dsm_handler(void) {}
void nouveau_switcheroo_optimus_dsm(void) {}
#endif
-/* retrieve the ROM in 4k blocks */
-static int nouveau_rom_call(acpi_handle rom_handle, uint8_t *bios,
- int offset, int len)
-{
- acpi_status status;
- union acpi_object rom_arg_elements[2], *obj;
- struct acpi_object_list rom_arg;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL};
-
- rom_arg.count = 2;
- rom_arg.pointer = &rom_arg_elements[0];
-
- rom_arg_elements[0].type = ACPI_TYPE_INTEGER;
- rom_arg_elements[0].integer.value = offset;
-
- rom_arg_elements[1].type = ACPI_TYPE_INTEGER;
- rom_arg_elements[1].integer.value = len;
-
- status = acpi_evaluate_object(rom_handle, NULL, &rom_arg, &buffer);
- if (ACPI_FAILURE(status)) {
- pr_info("failed to evaluate ROM got %s\n",
- acpi_format_exception(status));
- return -ENODEV;
- }
- obj = (union acpi_object *)buffer.pointer;
- len = min(len, (int)obj->buffer.length);
- memcpy(bios+offset, obj->buffer.pointer, len);
- kfree(buffer.pointer);
- return len;
-}
-
-bool nouveau_acpi_rom_supported(struct device *dev)
-{
- acpi_status status;
- acpi_handle dhandle, rom_handle;
-
- dhandle = ACPI_HANDLE(dev);
- if (!dhandle)
- return false;
-
- status = acpi_get_handle(dhandle, "_ROM", &rom_handle);
- if (ACPI_FAILURE(status))
- return false;
-
- nouveau_dsm_priv.rom_handle = rom_handle;
- return true;
-}
-
-int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len)
-{
- return nouveau_rom_call(nouveau_dsm_priv.rom_handle, bios, offset, len);
-}
-
void *
nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector)
{
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.h b/drivers/gpu/drm/nouveau/nouveau_acpi.h
index 1e6e8a8c0455..330f9b837066 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.h
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.h
@@ -10,8 +10,6 @@ bool nouveau_is_v1_dsm(void);
void nouveau_register_dsm_handler(void);
void nouveau_unregister_dsm_handler(void);
void nouveau_switcheroo_optimus_dsm(void);
-int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
-bool nouveau_acpi_rom_supported(struct device *);
void *nouveau_acpi_edid(struct drm_device *, struct drm_connector *);
#else
static inline bool nouveau_is_optimus(void) { return false; };
@@ -19,8 +17,6 @@ static inline bool nouveau_is_v1_dsm(void) { return false; };
static inline void nouveau_register_dsm_handler(void) {}
static inline void nouveau_unregister_dsm_handler(void) {}
static inline void nouveau_switcheroo_optimus_dsm(void) {}
-static inline bool nouveau_acpi_rom_supported(struct device *dev) { return false; }
-static inline int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { return -EINVAL; }
static inline void *nouveau_acpi_edid(struct drm_device *dev, struct drm_connector *connector) { return NULL; }
#endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index 9a9a7f5003d3..1b383ae0248f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -38,6 +38,7 @@
#include "nouveau_reg.h"
#include "nouveau_drv.h"
#include "dispnv04/hw.h"
+#include "dispnv50/disp.h"
#include "nouveau_acpi.h"
#include "nouveau_display.h"
@@ -509,7 +510,11 @@ nouveau_connector_set_encoder(struct drm_connector *connector,
nv_connector->detected_encoder = nv_encoder;
if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
- connector->interlace_allowed = true;
+ if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
+ connector->interlace_allowed =
+ nv_encoder->caps.dp_interlace;
+ else
+ connector->interlace_allowed = true;
connector->doublescan_allowed = true;
} else
if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
@@ -1029,6 +1034,29 @@ get_tmds_link_bandwidth(struct drm_connector *connector)
return 112000 * duallink_scale;
}
+enum drm_mode_status
+nouveau_conn_mode_clock_valid(const struct drm_display_mode *mode,
+ const unsigned min_clock,
+ const unsigned max_clock,
+ unsigned int *clock_out)
+{
+ unsigned int clock = mode->clock;
+
+ if ((mode->flags & DRM_MODE_FLAG_3D_MASK) ==
+ DRM_MODE_FLAG_3D_FRAME_PACKING)
+ clock *= 2;
+
+ if (clock < min_clock)
+ return MODE_CLOCK_LOW;
+ if (clock > max_clock)
+ return MODE_CLOCK_HIGH;
+
+ if (clock_out)
+ *clock_out = clock;
+
+ return MODE_OK;
+}
+
static enum drm_mode_status
nouveau_connector_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
@@ -1037,7 +1065,6 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
unsigned min_clock = 25000, max_clock = min_clock;
- unsigned clock = mode->clock;
switch (nv_encoder->dcb->type) {
case DCB_OUTPUT_LVDS:
@@ -1060,25 +1087,14 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
case DCB_OUTPUT_TV:
return get_slave_funcs(encoder)->mode_valid(encoder, mode);
case DCB_OUTPUT_DP:
- max_clock = nv_encoder->dp.link_nr;
- max_clock *= nv_encoder->dp.link_bw;
- clock = clock * (connector->display_info.bpc * 3) / 10;
- break;
+ return nv50_dp_mode_valid(connector, nv_encoder, mode, NULL);
default:
BUG();
return MODE_BAD;
}
- if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
- clock *= 2;
-
- if (clock < min_clock)
- return MODE_CLOCK_LOW;
-
- if (clock > max_clock)
- return MODE_CLOCK_HIGH;
-
- return MODE_OK;
+ return nouveau_conn_mode_clock_valid(mode, min_clock, max_clock,
+ NULL);
}
static struct drm_encoder *
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h
index de84fb4708c7..9e062c7adec8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -195,6 +195,11 @@ int nouveau_conn_atomic_get_property(struct drm_connector *,
const struct drm_connector_state *,
struct drm_property *, u64 *);
struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *);
+enum drm_mode_status
+nouveau_conn_mode_clock_valid(const struct drm_display_mode *,
+ const unsigned min_clock,
+ const unsigned max_clock,
+ unsigned *clock);
#ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT
extern int nouveau_backlight_init(struct drm_connector *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 15a3d40edf02..63b5c8cf9ae4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -181,8 +181,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
}
ret = pm_runtime_get_sync(drm->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(drm->dev);
return ret;
+ }
+
ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
pm_runtime_put_autosuspend(drm->dev);
if (ret < 0)
@@ -217,7 +220,7 @@ static const struct nouveau_debugfs_files {
{"pstate", &nouveau_pstate_fops},
};
-int
+void
nouveau_drm_debugfs_init(struct drm_minor *minor)
{
struct nouveau_drm *drm = nouveau_drm(minor->dev);
@@ -240,12 +243,10 @@ nouveau_drm_debugfs_init(struct drm_minor *minor)
*/
dentry = debugfs_lookup("vbios.rom", minor->debugfs_root);
if (!dentry)
- return 0;
+ return;
d_inode(dentry)->i_size = drm->vbios.length;
dput(dentry);
-
- return 0;
}
int
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
index 8909c010e8ea..77f0323b38ba 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.h
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h
@@ -18,15 +18,13 @@ nouveau_debugfs(struct drm_device *dev)
return nouveau_drm(dev)->debugfs;
}
-extern int nouveau_drm_debugfs_init(struct drm_minor *);
+extern void nouveau_drm_debugfs_init(struct drm_minor *);
extern int nouveau_debugfs_init(struct nouveau_drm *);
extern void nouveau_debugfs_fini(struct nouveau_drm *);
#else
-static inline int
+static inline void
nouveau_drm_debugfs_init(struct drm_minor *minor)
-{
- return 0;
-}
+{}
static inline int
nouveau_debugfs_init(struct nouveau_drm *drm)
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 700817dc4fa0..496c4621cc78 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -31,6 +31,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fb_helper.h>
#include <drm/drm_fourcc.h>
+#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -179,41 +180,164 @@ nouveau_display_vblank_init(struct drm_device *dev)
return 0;
}
+static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
+ .destroy = drm_gem_fb_destroy,
+ .create_handle = drm_gem_fb_create_handle,
+};
+
static void
-nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
+nouveau_decode_mod(struct nouveau_drm *drm,
+ uint64_t modifier,
+ uint32_t *tile_mode,
+ uint8_t *kind)
+{
+ BUG_ON(!tile_mode || !kind);
+
+ if (modifier == DRM_FORMAT_MOD_LINEAR) {
+ /* tile_mode will not be used in this case */
+ *tile_mode = 0;
+ *kind = 0;
+ } else {
+ /*
+ * Extract the block height and kind from the corresponding
+ * modifier fields. See drm_fourcc.h for details.
+ */
+ *tile_mode = (uint32_t)(modifier & 0xF);
+ *kind = (uint8_t)((modifier >> 12) & 0xFF);
+
+ if (drm->client.device.info.chipset >= 0xc0)
+ *tile_mode <<= 4;
+ }
+}
+
+void
+nouveau_framebuffer_get_layout(struct drm_framebuffer *fb,
+ uint32_t *tile_mode,
+ uint8_t *kind)
{
- struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+ if (fb->flags & DRM_MODE_FB_MODIFIERS) {
+ struct nouveau_drm *drm = nouveau_drm(fb->dev);
- if (fb->nvbo)
- drm_gem_object_put_unlocked(&fb->nvbo->bo.base);
+ nouveau_decode_mod(drm, fb->modifier, tile_mode, kind);
+ } else {
+ const struct nouveau_bo *nvbo = nouveau_gem_object(fb->obj[0]);
- drm_framebuffer_cleanup(drm_fb);
- kfree(fb);
+ *tile_mode = nvbo->mode;
+ *kind = nvbo->kind;
+ }
}
static int
-nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
- struct drm_file *file_priv,
- unsigned int *handle)
+nouveau_validate_decode_mod(struct nouveau_drm *drm,
+ uint64_t modifier,
+ uint32_t *tile_mode,
+ uint8_t *kind)
{
- struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
+ struct nouveau_display *disp = nouveau_display(drm->dev);
+ int mod;
+
+ if (drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA) {
+ return -EINVAL;
+ }
- return drm_gem_handle_create(file_priv, &fb->nvbo->bo.base, handle);
+ BUG_ON(!disp->format_modifiers);
+
+ for (mod = 0;
+ (disp->format_modifiers[mod] != DRM_FORMAT_MOD_INVALID) &&
+ (disp->format_modifiers[mod] != modifier);
+ mod++);
+
+ if (disp->format_modifiers[mod] == DRM_FORMAT_MOD_INVALID)
+ return -EINVAL;
+
+ nouveau_decode_mod(drm, modifier, tile_mode, kind);
+
+ return 0;
}
-static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
- .destroy = nouveau_user_framebuffer_destroy,
- .create_handle = nouveau_user_framebuffer_create_handle,
-};
+static inline uint32_t
+nouveau_get_width_in_blocks(uint32_t stride)
+{
+ /* GOBs per block in the x direction is always one, and GOBs are
+ * 64 bytes wide
+ */
+ static const uint32_t log_block_width = 6;
+
+ return (stride + (1 << log_block_width) - 1) >> log_block_width;
+}
+
+static inline uint32_t
+nouveau_get_height_in_blocks(struct nouveau_drm *drm,
+ uint32_t height,
+ uint32_t log_block_height_in_gobs)
+{
+ uint32_t log_gob_height;
+ uint32_t log_block_height;
+
+ BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
+
+ if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
+ log_gob_height = 2;
+ else
+ log_gob_height = 3;
+
+ log_block_height = log_block_height_in_gobs + log_gob_height;
+
+ return (height + (1 << log_block_height) - 1) >> log_block_height;
+}
+
+static int
+nouveau_check_bl_size(struct nouveau_drm *drm, struct nouveau_bo *nvbo,
+ uint32_t offset, uint32_t stride, uint32_t h,
+ uint32_t tile_mode)
+{
+ uint32_t gob_size, bw, bh;
+ uint64_t bl_size;
+
+ BUG_ON(drm->client.device.info.family < NV_DEVICE_INFO_V0_TESLA);
+
+ if (drm->client.device.info.chipset >= 0xc0) {
+ if (tile_mode & 0xF)
+ return -EINVAL;
+ tile_mode >>= 4;
+ }
+
+ if (tile_mode & 0xFFFFFFF0)
+ return -EINVAL;
+
+ if (drm->client.device.info.family < NV_DEVICE_INFO_V0_FERMI)
+ gob_size = 256;
+ else
+ gob_size = 512;
+
+ bw = nouveau_get_width_in_blocks(stride);
+ bh = nouveau_get_height_in_blocks(drm, h, tile_mode);
+
+ bl_size = bw * bh * (1 << tile_mode) * gob_size;
+
+ DRM_DEBUG_KMS("offset=%u stride=%u h=%u tile_mode=0x%02x bw=%u bh=%u gob_size=%u bl_size=%llu size=%lu\n",
+ offset, stride, h, tile_mode, bw, bh, gob_size, bl_size,
+ nvbo->bo.mem.size);
+
+ if (bl_size + offset > nvbo->bo.mem.size)
+ return -ERANGE;
+
+ return 0;
+}
int
nouveau_framebuffer_new(struct drm_device *dev,
const struct drm_mode_fb_cmd2 *mode_cmd,
- struct nouveau_bo *nvbo,
- struct nouveau_framebuffer **pfb)
+ struct drm_gem_object *gem,
+ struct drm_framebuffer **pfb)
{
struct nouveau_drm *drm = nouveau_drm(dev);
- struct nouveau_framebuffer *fb;
+ struct nouveau_bo *nvbo = nouveau_gem_object(gem);
+ struct drm_framebuffer *fb;
+ const struct drm_format_info *info;
+ unsigned int width, height, i;
+ uint32_t tile_mode;
+ uint8_t kind;
int ret;
/* YUV overlays have special requirements pre-NV50 */
@@ -236,13 +360,50 @@ nouveau_framebuffer_new(struct drm_device *dev,
return -EINVAL;
}
+ if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) {
+ if (nouveau_validate_decode_mod(drm, mode_cmd->modifier[0],
+ &tile_mode, &kind)) {
+ DRM_DEBUG_KMS("Unsupported modifier: 0x%llx\n",
+ mode_cmd->modifier[0]);
+ return -EINVAL;
+ }
+ } else {
+ tile_mode = nvbo->mode;
+ kind = nvbo->kind;
+ }
+
+ info = drm_get_format_info(dev, mode_cmd);
+
+ for (i = 0; i < info->num_planes; i++) {
+ width = drm_format_info_plane_width(info,
+ mode_cmd->width,
+ i);
+ height = drm_format_info_plane_height(info,
+ mode_cmd->height,
+ i);
+
+ if (kind) {
+ ret = nouveau_check_bl_size(drm, nvbo,
+ mode_cmd->offsets[i],
+ mode_cmd->pitches[i],
+ height, tile_mode);
+ if (ret)
+ return ret;
+ } else {
+ uint32_t size = mode_cmd->pitches[i] * height;
+
+ if (size + mode_cmd->offsets[i] > nvbo->bo.mem.size)
+ return -ERANGE;
+ }
+ }
+
if (!(fb = *pfb = kzalloc(sizeof(*fb), GFP_KERNEL)))
return -ENOMEM;
- drm_helper_mode_fill_fb_struct(dev, &fb->base, mode_cmd);
- fb->nvbo = nvbo;
+ drm_helper_mode_fill_fb_struct(dev, fb, mode_cmd);
+ fb->obj[0] = gem;
- ret = drm_framebuffer_init(dev, &fb->base, &nouveau_framebuffer_funcs);
+ ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
if (ret)
kfree(fb);
return ret;
@@ -253,19 +414,17 @@ nouveau_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
const struct drm_mode_fb_cmd2 *mode_cmd)
{
- struct nouveau_framebuffer *fb;
- struct nouveau_bo *nvbo;
+ struct drm_framebuffer *fb;
struct drm_gem_object *gem;
int ret;
gem = drm_gem_object_lookup(file_priv, mode_cmd->handles[0]);
if (!gem)
return ERR_PTR(-ENOENT);
- nvbo = nouveau_gem_object(gem);
- ret = nouveau_framebuffer_new(dev, mode_cmd, nvbo, &fb);
+ ret = nouveau_framebuffer_new(dev, mode_cmd, gem, &fb);
if (ret == 0)
- return &fb->base;
+ return fb;
drm_gem_object_put_unlocked(gem);
return ERR_PTR(ret);
@@ -517,6 +676,7 @@ nouveau_display_create(struct drm_device *dev)
dev->mode_config.preferred_depth = 24;
dev->mode_config.prefer_shadow = 1;
+ dev->mode_config.allow_fb_modifiers = true;
if (drm->client.device.info.chipset < 0x11)
dev->mode_config.async_page_flip = false;
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h
index de004018ab5c..6e0d900441d6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.h
+++ b/drivers/gpu/drm/nouveau/nouveau_display.h
@@ -8,26 +8,11 @@
#include <drm/drm_framebuffer.h>
-struct nouveau_framebuffer {
- struct drm_framebuffer base;
- struct nouveau_bo *nvbo;
- struct nouveau_vma *vma;
- u32 r_handle;
- u32 r_format;
- u32 r_pitch;
- struct nvif_object h_base[4];
- struct nvif_object h_core;
-};
-
-static inline struct nouveau_framebuffer *
-nouveau_framebuffer(struct drm_framebuffer *fb)
-{
- return container_of(fb, struct nouveau_framebuffer, base);
-}
-
-int nouveau_framebuffer_new(struct drm_device *,
- const struct drm_mode_fb_cmd2 *,
- struct nouveau_bo *, struct nouveau_framebuffer **);
+int
+nouveau_framebuffer_new(struct drm_device *dev,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_gem_object *gem,
+ struct drm_framebuffer **pfb);
struct nouveau_display {
void *priv;
@@ -47,6 +32,8 @@ struct nouveau_display {
struct drm_property *color_vibrance_property;
struct drm_atomic_state *suspend;
+
+ const u64 *format_modifiers;
};
static inline struct nouveau_display *
@@ -75,6 +62,10 @@ int nouveau_display_dumb_map_offset(struct drm_file *, struct drm_device *,
void nouveau_hdmi_mode_set(struct drm_encoder *, struct drm_display_mode *);
+void
+nouveau_framebuffer_get_layout(struct drm_framebuffer *fb, uint32_t *tile_mode,
+ uint8_t *kind);
+
struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device *, struct drm_file *,
const struct drm_mode_fb_cmd2 *);
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
index ad89e09a0be3..e5c230d9ae24 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -25,12 +25,14 @@
#include "nouveau_dma.h"
#include "nouveau_mem.h"
#include "nouveau_bo.h"
+#include "nouveau_svm.h"
#include <nvif/class.h>
#include <nvif/object.h>
#include <nvif/if000c.h>
#include <nvif/if500b.h>
#include <nvif/if900b.h>
+#include <nvif/if000c.h>
#include <linux/sched/mm.h>
#include <linux/hmm.h>
@@ -54,66 +56,69 @@ enum nouveau_aper {
typedef int (*nouveau_migrate_copy_t)(struct nouveau_drm *drm, u64 npages,
enum nouveau_aper, u64 dst_addr,
enum nouveau_aper, u64 src_addr);
+typedef int (*nouveau_clear_page_t)(struct nouveau_drm *drm, u32 length,
+ enum nouveau_aper, u64 dst_addr);
struct nouveau_dmem_chunk {
struct list_head list;
struct nouveau_bo *bo;
struct nouveau_drm *drm;
- unsigned long pfn_first;
unsigned long callocated;
- unsigned long bitmap[BITS_TO_LONGS(DMEM_CHUNK_NPAGES)];
- spinlock_t lock;
+ struct dev_pagemap pagemap;
};
struct nouveau_dmem_migrate {
nouveau_migrate_copy_t copy_func;
+ nouveau_clear_page_t clear_func;
struct nouveau_channel *chan;
};
struct nouveau_dmem {
struct nouveau_drm *drm;
- struct dev_pagemap pagemap;
struct nouveau_dmem_migrate migrate;
- struct list_head chunk_free;
- struct list_head chunk_full;
- struct list_head chunk_empty;
+ struct list_head chunks;
struct mutex mutex;
+ struct page *free_pages;
+ spinlock_t lock;
};
-static inline struct nouveau_dmem *page_to_dmem(struct page *page)
+static struct nouveau_dmem_chunk *nouveau_page_to_chunk(struct page *page)
{
- return container_of(page->pgmap, struct nouveau_dmem, pagemap);
+ return container_of(page->pgmap, struct nouveau_dmem_chunk, pagemap);
+}
+
+static struct nouveau_drm *page_to_drm(struct page *page)
+{
+ struct nouveau_dmem_chunk *chunk = nouveau_page_to_chunk(page);
+
+ return chunk->drm;
}
-static unsigned long nouveau_dmem_page_addr(struct page *page)
+unsigned long nouveau_dmem_page_addr(struct page *page)
{
- struct nouveau_dmem_chunk *chunk = page->zone_device_data;
- unsigned long idx = page_to_pfn(page) - chunk->pfn_first;
+ struct nouveau_dmem_chunk *chunk = nouveau_page_to_chunk(page);
+ unsigned long off = (page_to_pfn(page) << PAGE_SHIFT) -
+ chunk->pagemap.res.start;
- return (idx << PAGE_SHIFT) + chunk->bo->bo.offset;
+ return chunk->bo->bo.offset + off;
}
static void nouveau_dmem_page_free(struct page *page)
{
- struct nouveau_dmem_chunk *chunk = page->zone_device_data;
- unsigned long idx = page_to_pfn(page) - chunk->pfn_first;
+ struct nouveau_dmem_chunk *chunk = nouveau_page_to_chunk(page);
+ struct nouveau_dmem *dmem = chunk->drm->dmem;
+
+ spin_lock(&dmem->lock);
+ page->zone_device_data = dmem->free_pages;
+ dmem->free_pages = page;
- /*
- * FIXME:
- *
- * This is really a bad example, we need to overhaul nouveau memory
- * management to be more page focus and allow lighter locking scheme
- * to be use in the process.
- */
- spin_lock(&chunk->lock);
- clear_bit(idx, chunk->bitmap);
WARN_ON(!chunk->callocated);
chunk->callocated--;
/*
* FIXME when chunk->callocated reach 0 we should add the chunk to
* a reclaim list so that it can be freed in case of memory pressure.
*/
- spin_unlock(&chunk->lock);
+ spin_unlock(&dmem->lock);
}
static void nouveau_dmem_fence_done(struct nouveau_fence **fence)
@@ -165,8 +170,8 @@ error_free_page:
static vm_fault_t nouveau_dmem_migrate_to_ram(struct vm_fault *vmf)
{
- struct nouveau_dmem *dmem = page_to_dmem(vmf->page);
- struct nouveau_drm *drm = dmem->drm;
+ struct nouveau_drm *drm = page_to_drm(vmf->page);
+ struct nouveau_dmem *dmem = drm->dmem;
struct nouveau_fence *fence;
unsigned long src = 0, dst = 0;
dma_addr_t dma_addr = 0;
@@ -209,131 +214,105 @@ static const struct dev_pagemap_ops nouveau_dmem_pagemap_ops = {
};
static int
-nouveau_dmem_chunk_alloc(struct nouveau_drm *drm)
+nouveau_dmem_chunk_alloc(struct nouveau_drm *drm, struct page **ppage)
{
struct nouveau_dmem_chunk *chunk;
+ struct resource *res;
+ struct page *page;
+ void *ptr;
+ unsigned long i, pfn_first;
int ret;
- if (drm->dmem == NULL)
- return -EINVAL;
-
- mutex_lock(&drm->dmem->mutex);
- chunk = list_first_entry_or_null(&drm->dmem->chunk_empty,
- struct nouveau_dmem_chunk,
- list);
+ chunk = kzalloc(sizeof(*chunk), GFP_KERNEL);
if (chunk == NULL) {
- mutex_unlock(&drm->dmem->mutex);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto out;
}
- list_del(&chunk->list);
- mutex_unlock(&drm->dmem->mutex);
+ /* Allocate unused physical address space for device private pages. */
+ res = request_free_mem_region(&iomem_resource, DMEM_CHUNK_SIZE,
+ "nouveau_dmem");
+ if (IS_ERR(res)) {
+ ret = PTR_ERR(res);
+ goto out_free;
+ }
+
+ chunk->drm = drm;
+ chunk->pagemap.type = MEMORY_DEVICE_PRIVATE;
+ chunk->pagemap.res = *res;
+ chunk->pagemap.ops = &nouveau_dmem_pagemap_ops;
+ chunk->pagemap.owner = drm->dev;
ret = nouveau_bo_new(&drm->client, DMEM_CHUNK_SIZE, 0,
TTM_PL_FLAG_VRAM, 0, 0, NULL, NULL,
&chunk->bo);
if (ret)
- goto out;
+ goto out_release;
ret = nouveau_bo_pin(chunk->bo, TTM_PL_FLAG_VRAM, false);
- if (ret) {
- nouveau_bo_ref(NULL, &chunk->bo);
- goto out;
- }
+ if (ret)
+ goto out_bo_free;
- bitmap_zero(chunk->bitmap, DMEM_CHUNK_NPAGES);
- spin_lock_init(&chunk->lock);
+ ptr = memremap_pages(&chunk->pagemap, numa_node_id());
+ if (IS_ERR(ptr)) {
+ ret = PTR_ERR(ptr);
+ goto out_bo_unpin;
+ }
-out:
mutex_lock(&drm->dmem->mutex);
- if (chunk->bo)
- list_add(&chunk->list, &drm->dmem->chunk_empty);
- else
- list_add_tail(&chunk->list, &drm->dmem->chunk_empty);
+ list_add(&chunk->list, &drm->dmem->chunks);
mutex_unlock(&drm->dmem->mutex);
- return ret;
-}
-
-static struct nouveau_dmem_chunk *
-nouveau_dmem_chunk_first_free_locked(struct nouveau_drm *drm)
-{
- struct nouveau_dmem_chunk *chunk;
-
- chunk = list_first_entry_or_null(&drm->dmem->chunk_free,
- struct nouveau_dmem_chunk,
- list);
- if (chunk)
- return chunk;
-
- chunk = list_first_entry_or_null(&drm->dmem->chunk_empty,
- struct nouveau_dmem_chunk,
- list);
- if (chunk->bo)
- return chunk;
-
- return NULL;
-}
-
-static int
-nouveau_dmem_pages_alloc(struct nouveau_drm *drm,
- unsigned long npages,
- unsigned long *pages)
-{
- struct nouveau_dmem_chunk *chunk;
- unsigned long c;
- int ret;
-
- memset(pages, 0xff, npages * sizeof(*pages));
-
- mutex_lock(&drm->dmem->mutex);
- for (c = 0; c < npages;) {
- unsigned long i;
-
- chunk = nouveau_dmem_chunk_first_free_locked(drm);
- if (chunk == NULL) {
- mutex_unlock(&drm->dmem->mutex);
- ret = nouveau_dmem_chunk_alloc(drm);
- if (ret) {
- if (c)
- return 0;
- return ret;
- }
- mutex_lock(&drm->dmem->mutex);
- continue;
- }
-
- spin_lock(&chunk->lock);
- i = find_first_zero_bit(chunk->bitmap, DMEM_CHUNK_NPAGES);
- while (i < DMEM_CHUNK_NPAGES && c < npages) {
- pages[c] = chunk->pfn_first + i;
- set_bit(i, chunk->bitmap);
- chunk->callocated++;
- c++;
-
- i = find_next_zero_bit(chunk->bitmap,
- DMEM_CHUNK_NPAGES, i);
- }
- spin_unlock(&chunk->lock);
+ pfn_first = chunk->pagemap.res.start >> PAGE_SHIFT;
+ page = pfn_to_page(pfn_first);
+ spin_lock(&drm->dmem->lock);
+ for (i = 0; i < DMEM_CHUNK_NPAGES - 1; ++i, ++page) {
+ page->zone_device_data = drm->dmem->free_pages;
+ drm->dmem->free_pages = page;
}
- mutex_unlock(&drm->dmem->mutex);
+ *ppage = page;
+ chunk->callocated++;
+ spin_unlock(&drm->dmem->lock);
+
+ NV_INFO(drm, "DMEM: registered %ldMB of device memory\n",
+ DMEM_CHUNK_SIZE >> 20);
return 0;
+
+out_bo_unpin:
+ nouveau_bo_unpin(chunk->bo);
+out_bo_free:
+ nouveau_bo_ref(NULL, &chunk->bo);
+out_release:
+ release_mem_region(chunk->pagemap.res.start,
+ resource_size(&chunk->pagemap.res));
+out_free:
+ kfree(chunk);
+out:
+ return ret;
}
static struct page *
nouveau_dmem_page_alloc_locked(struct nouveau_drm *drm)
{
- unsigned long pfns[1];
- struct page *page;
+ struct nouveau_dmem_chunk *chunk;
+ struct page *page = NULL;
int ret;
- /* FIXME stop all the miss-match API ... */
- ret = nouveau_dmem_pages_alloc(drm, 1, pfns);
- if (ret)
- return NULL;
+ spin_lock(&drm->dmem->lock);
+ if (drm->dmem->free_pages) {
+ page = drm->dmem->free_pages;
+ drm->dmem->free_pages = page->zone_device_data;
+ chunk = nouveau_page_to_chunk(page);
+ chunk->callocated++;
+ spin_unlock(&drm->dmem->lock);
+ } else {
+ spin_unlock(&drm->dmem->lock);
+ ret = nouveau_dmem_chunk_alloc(drm, &page);
+ if (ret)
+ return NULL;
+ }
- page = pfn_to_page(pfns[0]);
get_page(page);
lock_page(page);
return page;
@@ -356,12 +335,7 @@ nouveau_dmem_resume(struct nouveau_drm *drm)
return;
mutex_lock(&drm->dmem->mutex);
- list_for_each_entry (chunk, &drm->dmem->chunk_free, list) {
- ret = nouveau_bo_pin(chunk->bo, TTM_PL_FLAG_VRAM, false);
- /* FIXME handle pin failure */
- WARN_ON(ret);
- }
- list_for_each_entry (chunk, &drm->dmem->chunk_full, list) {
+ list_for_each_entry(chunk, &drm->dmem->chunks, list) {
ret = nouveau_bo_pin(chunk->bo, TTM_PL_FLAG_VRAM, false);
/* FIXME handle pin failure */
WARN_ON(ret);
@@ -378,12 +352,8 @@ nouveau_dmem_suspend(struct nouveau_drm *drm)
return;
mutex_lock(&drm->dmem->mutex);
- list_for_each_entry (chunk, &drm->dmem->chunk_free, list) {
- nouveau_bo_unpin(chunk->bo);
- }
- list_for_each_entry (chunk, &drm->dmem->chunk_full, list) {
+ list_for_each_entry(chunk, &drm->dmem->chunks, list)
nouveau_bo_unpin(chunk->bo);
- }
mutex_unlock(&drm->dmem->mutex);
}
@@ -397,15 +367,13 @@ nouveau_dmem_fini(struct nouveau_drm *drm)
mutex_lock(&drm->dmem->mutex);
- WARN_ON(!list_empty(&drm->dmem->chunk_free));
- WARN_ON(!list_empty(&drm->dmem->chunk_full));
-
- list_for_each_entry_safe (chunk, tmp, &drm->dmem->chunk_empty, list) {
- if (chunk->bo) {
- nouveau_bo_unpin(chunk->bo);
- nouveau_bo_ref(NULL, &chunk->bo);
- }
+ list_for_each_entry_safe(chunk, tmp, &drm->dmem->chunks, list) {
+ nouveau_bo_unpin(chunk->bo);
+ nouveau_bo_ref(NULL, &chunk->bo);
list_del(&chunk->list);
+ memunmap_pages(&chunk->pagemap);
+ release_mem_region(chunk->pagemap.res.start,
+ resource_size(&chunk->pagemap.res));
kfree(chunk);
}
@@ -472,6 +440,52 @@ nvc0b5_migrate_copy(struct nouveau_drm *drm, u64 npages,
}
static int
+nvc0b5_migrate_clear(struct nouveau_drm *drm, u32 length,
+ enum nouveau_aper dst_aper, u64 dst_addr)
+{
+ struct nouveau_channel *chan = drm->dmem->migrate.chan;
+ u32 launch_dma = (1 << 10) /* REMAP_ENABLE_TRUE */ |
+ (1 << 8) /* DST_MEMORY_LAYOUT_PITCH. */ |
+ (1 << 7) /* SRC_MEMORY_LAYOUT_PITCH. */ |
+ (1 << 2) /* FLUSH_ENABLE_TRUE. */ |
+ (2 << 0) /* DATA_TRANSFER_TYPE_NON_PIPELINED. */;
+ u32 remap = (4 << 0) /* DST_X_CONST_A */ |
+ (5 << 4) /* DST_Y_CONST_B */ |
+ (3 << 16) /* COMPONENT_SIZE_FOUR */ |
+ (1 << 24) /* NUM_DST_COMPONENTS_TWO */;
+ int ret;
+
+ ret = RING_SPACE(chan, 12);
+ if (ret)
+ return ret;
+
+ switch (dst_aper) {
+ case NOUVEAU_APER_VRAM:
+ BEGIN_IMC0(chan, NvSubCopy, 0x0264, 0);
+ break;
+ case NOUVEAU_APER_HOST:
+ BEGIN_IMC0(chan, NvSubCopy, 0x0264, 1);
+ break;
+ default:
+ return -EINVAL;
+ }
+ launch_dma |= 0x00002000; /* DST_TYPE_PHYSICAL. */
+
+ BEGIN_NVC0(chan, NvSubCopy, 0x0700, 3);
+ OUT_RING(chan, 0);
+ OUT_RING(chan, 0);
+ OUT_RING(chan, remap);
+ BEGIN_NVC0(chan, NvSubCopy, 0x0408, 2);
+ OUT_RING(chan, upper_32_bits(dst_addr));
+ OUT_RING(chan, lower_32_bits(dst_addr));
+ BEGIN_NVC0(chan, NvSubCopy, 0x0418, 1);
+ OUT_RING(chan, length >> 3);
+ BEGIN_NVC0(chan, NvSubCopy, 0x0300, 1);
+ OUT_RING(chan, launch_dma);
+ return 0;
+}
+
+static int
nouveau_dmem_migrate_init(struct nouveau_drm *drm)
{
switch (drm->ttm.copy.oclass) {
@@ -480,6 +494,7 @@ nouveau_dmem_migrate_init(struct nouveau_drm *drm)
case VOLTA_DMA_COPY_A:
case TURING_DMA_COPY_A:
drm->dmem->migrate.copy_func = nvc0b5_migrate_copy;
+ drm->dmem->migrate.clear_func = nvc0b5_migrate_clear;
drm->dmem->migrate.chan = drm->ttm.chan;
return 0;
default:
@@ -491,9 +506,6 @@ nouveau_dmem_migrate_init(struct nouveau_drm *drm)
void
nouveau_dmem_init(struct nouveau_drm *drm)
{
- struct device *device = drm->dev->dev;
- struct resource *res;
- unsigned long i, size, pfn_first;
int ret;
/* This only make sense on PASCAL or newer */
@@ -505,84 +517,53 @@ nouveau_dmem_init(struct nouveau_drm *drm)
drm->dmem->drm = drm;
mutex_init(&drm->dmem->mutex);
- INIT_LIST_HEAD(&drm->dmem->chunk_free);
- INIT_LIST_HEAD(&drm->dmem->chunk_full);
- INIT_LIST_HEAD(&drm->dmem->chunk_empty);
-
- size = ALIGN(drm->client.device.info.ram_user, DMEM_CHUNK_SIZE);
+ INIT_LIST_HEAD(&drm->dmem->chunks);
+ mutex_init(&drm->dmem->mutex);
+ spin_lock_init(&drm->dmem->lock);
/* Initialize migration dma helpers before registering memory */
ret = nouveau_dmem_migrate_init(drm);
- if (ret)
- goto out_free;
-
- /*
- * FIXME we need some kind of policy to decide how much VRAM we
- * want to register with HMM. For now just register everything
- * and latter if we want to do thing like over commit then we
- * could revisit this.
- */
- res = devm_request_free_mem_region(device, &iomem_resource, size);
- if (IS_ERR(res))
- goto out_free;
- drm->dmem->pagemap.type = MEMORY_DEVICE_PRIVATE;
- drm->dmem->pagemap.res = *res;
- drm->dmem->pagemap.ops = &nouveau_dmem_pagemap_ops;
- drm->dmem->pagemap.owner = drm->dev;
- if (IS_ERR(devm_memremap_pages(device, &drm->dmem->pagemap)))
- goto out_free;
-
- pfn_first = res->start >> PAGE_SHIFT;
- for (i = 0; i < (size / DMEM_CHUNK_SIZE); ++i) {
- struct nouveau_dmem_chunk *chunk;
- struct page *page;
- unsigned long j;
-
- chunk = kzalloc(sizeof(*chunk), GFP_KERNEL);
- if (chunk == NULL) {
- nouveau_dmem_fini(drm);
- return;
- }
-
- chunk->drm = drm;
- chunk->pfn_first = pfn_first + (i * DMEM_CHUNK_NPAGES);
- list_add_tail(&chunk->list, &drm->dmem->chunk_empty);
-
- page = pfn_to_page(chunk->pfn_first);
- for (j = 0; j < DMEM_CHUNK_NPAGES; ++j, ++page)
- page->zone_device_data = chunk;
+ if (ret) {
+ kfree(drm->dmem);
+ drm->dmem = NULL;
}
-
- NV_INFO(drm, "DMEM: registered %ldMB of device memory\n", size >> 20);
- return;
-out_free:
- kfree(drm->dmem);
- drm->dmem = NULL;
}
static unsigned long nouveau_dmem_migrate_copy_one(struct nouveau_drm *drm,
- unsigned long src, dma_addr_t *dma_addr)
+ unsigned long src, dma_addr_t *dma_addr, u64 *pfn)
{
struct device *dev = drm->dev->dev;
struct page *dpage, *spage;
+ unsigned long paddr;
spage = migrate_pfn_to_page(src);
- if (!spage || !(src & MIGRATE_PFN_MIGRATE))
+ if (!(src & MIGRATE_PFN_MIGRATE))
goto out;
dpage = nouveau_dmem_page_alloc_locked(drm);
if (!dpage)
- return 0;
-
- *dma_addr = dma_map_page(dev, spage, 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
- if (dma_mapping_error(dev, *dma_addr))
- goto out_free_page;
+ goto out;
- if (drm->dmem->migrate.copy_func(drm, 1, NOUVEAU_APER_VRAM,
- nouveau_dmem_page_addr(dpage), NOUVEAU_APER_HOST,
- *dma_addr))
- goto out_dma_unmap;
+ paddr = nouveau_dmem_page_addr(dpage);
+ if (spage) {
+ *dma_addr = dma_map_page(dev, spage, 0, page_size(spage),
+ DMA_BIDIRECTIONAL);
+ if (dma_mapping_error(dev, *dma_addr))
+ goto out_free_page;
+ if (drm->dmem->migrate.copy_func(drm, page_size(spage),
+ NOUVEAU_APER_VRAM, paddr, NOUVEAU_APER_HOST, *dma_addr))
+ goto out_dma_unmap;
+ } else {
+ *dma_addr = DMA_MAPPING_ERROR;
+ if (drm->dmem->migrate.clear_func(drm, page_size(dpage),
+ NOUVEAU_APER_VRAM, paddr))
+ goto out_free_page;
+ }
+ *pfn = NVIF_VMM_PFNMAP_V0_V | NVIF_VMM_PFNMAP_V0_VRAM |
+ ((paddr >> PAGE_SHIFT) << NVIF_VMM_PFNMAP_V0_ADDR_SHIFT);
+ if (src & MIGRATE_PFN_WRITE)
+ *pfn |= NVIF_VMM_PFNMAP_V0_W;
return migrate_pfn(page_to_pfn(dpage)) | MIGRATE_PFN_LOCKED;
out_dma_unmap:
@@ -590,19 +571,21 @@ out_dma_unmap:
out_free_page:
nouveau_dmem_page_free_locked(drm, dpage);
out:
+ *pfn = NVIF_VMM_PFNMAP_V0_NONE;
return 0;
}
static void nouveau_dmem_migrate_chunk(struct nouveau_drm *drm,
- struct migrate_vma *args, dma_addr_t *dma_addrs)
+ struct nouveau_svmm *svmm, struct migrate_vma *args,
+ dma_addr_t *dma_addrs, u64 *pfns)
{
struct nouveau_fence *fence;
unsigned long addr = args->start, nr_dma = 0, i;
for (i = 0; addr < args->end; i++) {
args->dst[i] = nouveau_dmem_migrate_copy_one(drm, args->src[i],
- dma_addrs + nr_dma);
- if (args->dst[i])
+ dma_addrs + nr_dma, pfns + i);
+ if (!dma_mapping_error(drm->dev->dev, dma_addrs[nr_dma]))
nr_dma++;
addr += PAGE_SIZE;
}
@@ -610,20 +593,18 @@ static void nouveau_dmem_migrate_chunk(struct nouveau_drm *drm,
nouveau_fence_new(drm->dmem->migrate.chan, false, &fence);
migrate_vma_pages(args);
nouveau_dmem_fence_done(&fence);
+ nouveau_pfns_map(svmm, args->vma->vm_mm, args->start, pfns, i);
while (nr_dma--) {
dma_unmap_page(drm->dev->dev, dma_addrs[nr_dma], PAGE_SIZE,
DMA_BIDIRECTIONAL);
}
- /*
- * FIXME optimization: update GPU page table to point to newly migrated
- * memory.
- */
migrate_vma_finalize(args);
}
int
nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
+ struct nouveau_svmm *svmm,
struct vm_area_struct *vma,
unsigned long start,
unsigned long end)
@@ -635,9 +616,13 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
.vma = vma,
.start = start,
};
- unsigned long c, i;
+ unsigned long i;
+ u64 *pfns;
int ret = -ENOMEM;
+ if (drm->dmem == NULL)
+ return -ENODEV;
+
args.src = kcalloc(max, sizeof(*args.src), GFP_KERNEL);
if (!args.src)
goto out;
@@ -649,19 +634,25 @@ nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
if (!dma_addrs)
goto out_free_dst;
- for (i = 0; i < npages; i += c) {
- c = min(SG_MAX_SINGLE_ALLOC, npages);
- args.end = start + (c << PAGE_SHIFT);
+ pfns = nouveau_pfns_alloc(max);
+ if (!pfns)
+ goto out_free_dma;
+
+ for (i = 0; i < npages; i += max) {
+ args.end = start + (max << PAGE_SHIFT);
ret = migrate_vma_setup(&args);
if (ret)
- goto out_free_dma;
+ goto out_free_pfns;
if (args.cpages)
- nouveau_dmem_migrate_chunk(drm, &args, dma_addrs);
+ nouveau_dmem_migrate_chunk(drm, svmm, &args, dma_addrs,
+ pfns);
args.start = args.end;
}
ret = 0;
+out_free_pfns:
+ nouveau_pfns_free(pfns);
out_free_dma:
kfree(dma_addrs);
out_free_dst:
@@ -671,28 +662,3 @@ out_free_src:
out:
return ret;
}
-
-void
-nouveau_dmem_convert_pfn(struct nouveau_drm *drm,
- struct hmm_range *range)
-{
- unsigned long i, npages;
-
- npages = (range->end - range->start) >> PAGE_SHIFT;
- for (i = 0; i < npages; ++i) {
- struct page *page;
- uint64_t addr;
-
- page = hmm_device_entry_to_page(range, range->pfns[i]);
- if (page == NULL)
- continue;
-
- if (!is_device_private_page(page))
- continue;
-
- addr = nouveau_dmem_page_addr(page);
- range->pfns[i] &= ((1UL << range->pfn_shift) - 1);
- range->pfns[i] |= (addr >> PAGE_SHIFT) << range->pfn_shift;
- range->pfns[i] |= NVIF_VMM_PFNMAP_V0_VRAM;
- }
-}
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.h b/drivers/gpu/drm/nouveau/nouveau_dmem.h
index 92394be5d649..64da5d3635c8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dmem.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dmem.h
@@ -25,6 +25,7 @@
struct drm_device;
struct drm_file;
struct nouveau_drm;
+struct nouveau_svmm;
struct hmm_range;
#if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)
@@ -34,12 +35,12 @@ void nouveau_dmem_suspend(struct nouveau_drm *);
void nouveau_dmem_resume(struct nouveau_drm *);
int nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
+ struct nouveau_svmm *svmm,
struct vm_area_struct *vma,
unsigned long start,
unsigned long end);
+unsigned long nouveau_dmem_page_addr(struct page *page);
-void nouveau_dmem_convert_pfn(struct nouveau_drm *drm,
- struct hmm_range *range);
#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
static inline void nouveau_dmem_init(struct nouveau_drm *drm) {}
static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {}
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 2674f1587457..8a0f7994e1ae 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -98,3 +98,34 @@ nouveau_dp_detect(struct nouveau_encoder *nv_encoder)
return NOUVEAU_DP_SST;
return ret;
}
+
+/* TODO:
+ * - Use the minimum possible BPC here, once we add support for the max bpc
+ * property.
+ * - Validate the mode against downstream port caps (see
+ * drm_dp_downstream_max_clock())
+ * - Validate against the DP caps advertised by the GPU (we don't check these
+ * yet)
+ */
+enum drm_mode_status
+nv50_dp_mode_valid(struct drm_connector *connector,
+ struct nouveau_encoder *outp,
+ const struct drm_display_mode *mode,
+ unsigned *out_clock)
+{
+ const unsigned min_clock = 25000;
+ unsigned max_clock, clock;
+ enum drm_mode_status ret;
+
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE && !outp->caps.dp_interlace)
+ return MODE_NO_INTERLACE;
+
+ max_clock = outp->dp.link_nr * outp->dp.link_bw;
+ clock = mode->clock * (connector->display_info.bpc * 3) / 10;
+
+ ret = nouveau_conn_mode_clock_valid(mode, min_clock, max_clock,
+ &clock);
+ if (out_clock)
+ *out_clock = clock;
+ return ret;
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index ca4087f5a15b..ac93d12201dc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -681,8 +681,6 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
{
struct nvkm_device *device;
struct drm_device *drm_dev;
- struct apertures_struct *aper;
- bool boot = false;
int ret;
if (vga_switcheroo_client_probe_defer(pdev))
@@ -699,32 +697,9 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
nvkm_device_del(&device);
/* Remove conflicting drivers (vesafb, efifb etc). */
- aper = alloc_apertures(3);
- if (!aper)
- return -ENOMEM;
-
- aper->ranges[0].base = pci_resource_start(pdev, 1);
- aper->ranges[0].size = pci_resource_len(pdev, 1);
- aper->count = 1;
-
- if (pci_resource_len(pdev, 2)) {
- aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
- aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
- aper->count++;
- }
-
- if (pci_resource_len(pdev, 3)) {
- aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
- aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
- aper->count++;
- }
-
-#ifdef CONFIG_X86
- boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
-#endif
- if (nouveau_modeset != 2)
- drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
- kfree(aper);
+ ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "nouveaufb");
+ if (ret)
+ return ret;
ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
true, true, ~0ULL, &device);
diff --git a/drivers/gpu/drm/nouveau/nouveau_encoder.h b/drivers/gpu/drm/nouveau/nouveau_encoder.h
index 3517f920bf89..de51733b0476 100644
--- a/drivers/gpu/drm/nouveau/nouveau_encoder.h
+++ b/drivers/gpu/drm/nouveau/nouveau_encoder.h
@@ -66,6 +66,10 @@ struct nouveau_encoder {
} dp;
};
+ struct {
+ bool dp_interlace : 1;
+ } caps;
+
void (*enc_save)(struct drm_encoder *encoder);
void (*enc_restore)(struct drm_encoder *encoder);
void (*update)(struct nouveau_encoder *, u8 head,
@@ -100,6 +104,10 @@ enum nouveau_dp_status {
};
int nouveau_dp_detect(struct nouveau_encoder *);
+enum drm_mode_status nv50_dp_mode_valid(struct drm_connector *,
+ struct nouveau_encoder *,
+ const struct drm_display_mode *,
+ unsigned *clock);
struct nouveau_connector *
nouveau_encoder_connector_get(struct nouveau_encoder *encoder);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 24d543a01f43..3d11b84d4cf9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -312,7 +312,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->client.device;
struct fb_info *info;
- struct nouveau_framebuffer *fb;
+ struct drm_framebuffer *fb;
struct nouveau_channel *chan;
struct nouveau_bo *nvbo;
struct drm_mode_fb_cmd2 mode_cmd;
@@ -335,7 +335,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
goto out;
}
- ret = nouveau_framebuffer_new(dev, &mode_cmd, nvbo, &fb);
+ ret = nouveau_framebuffer_new(dev, &mode_cmd, &nvbo->bo.base, &fb);
if (ret)
goto out_unref;
@@ -353,7 +353,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
chan = nouveau_nofbaccel ? NULL : drm->channel;
if (chan && device->info.family >= NV_DEVICE_INFO_V0_TESLA) {
- ret = nouveau_vma_new(nvbo, chan->vmm, &fb->vma);
+ ret = nouveau_vma_new(nvbo, chan->vmm, &fbcon->vma);
if (ret) {
NV_ERROR(drm, "failed to map fb into chan: %d\n", ret);
chan = NULL;
@@ -367,7 +367,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
}
/* setup helper */
- fbcon->helper.fb = &fb->base;
+ fbcon->helper.fb = fb;
if (!chan)
info->flags = FBINFO_HWACCEL_DISABLED;
@@ -376,12 +376,12 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
FBINFO_HWACCEL_FILLRECT |
FBINFO_HWACCEL_IMAGEBLIT;
info->fbops = &nouveau_fbcon_sw_ops;
- info->fix.smem_start = fb->nvbo->bo.mem.bus.base +
- fb->nvbo->bo.mem.bus.offset;
- info->fix.smem_len = fb->nvbo->bo.mem.num_pages << PAGE_SHIFT;
+ info->fix.smem_start = nvbo->bo.mem.bus.base +
+ nvbo->bo.mem.bus.offset;
+ info->fix.smem_len = nvbo->bo.mem.num_pages << PAGE_SHIFT;
- info->screen_base = nvbo_kmap_obj_iovirtual(fb->nvbo);
- info->screen_size = fb->nvbo->bo.mem.num_pages << PAGE_SHIFT;
+ info->screen_base = nvbo_kmap_obj_iovirtual(nvbo);
+ info->screen_size = nvbo->bo.mem.num_pages << PAGE_SHIFT;
drm_fb_helper_fill_info(info, &fbcon->helper, sizes);
@@ -393,19 +393,19 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
/* To allow resizeing without swapping buffers */
NV_INFO(drm, "allocated %dx%d fb: 0x%llx, bo %p\n",
- fb->base.width, fb->base.height, fb->nvbo->bo.offset, nvbo);
+ fb->width, fb->height, nvbo->bo.offset, nvbo);
vga_switcheroo_client_fb_set(dev->pdev, info);
return 0;
out_unlock:
if (chan)
- nouveau_vma_del(&fb->vma);
- nouveau_bo_unmap(fb->nvbo);
+ nouveau_vma_del(&fbcon->vma);
+ nouveau_bo_unmap(nvbo);
out_unpin:
- nouveau_bo_unpin(fb->nvbo);
+ nouveau_bo_unpin(nvbo);
out_unref:
- nouveau_bo_ref(NULL, &fb->nvbo);
+ nouveau_bo_ref(NULL, &nvbo);
out:
return ret;
}
@@ -413,16 +413,18 @@ out:
static int
nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon)
{
- struct nouveau_framebuffer *nouveau_fb = nouveau_framebuffer(fbcon->helper.fb);
+ struct drm_framebuffer *fb = fbcon->helper.fb;
+ struct nouveau_bo *nvbo;
drm_fb_helper_unregister_fbi(&fbcon->helper);
drm_fb_helper_fini(&fbcon->helper);
- if (nouveau_fb && nouveau_fb->nvbo) {
- nouveau_vma_del(&nouveau_fb->vma);
- nouveau_bo_unmap(nouveau_fb->nvbo);
- nouveau_bo_unpin(nouveau_fb->nvbo);
- drm_framebuffer_put(&nouveau_fb->base);
+ if (fb && fb->obj[0]) {
+ nvbo = nouveau_gem_object(fb->obj[0]);
+ nouveau_vma_del(&fbcon->vma);
+ nouveau_bo_unmap(nvbo);
+ nouveau_bo_unpin(nvbo);
+ drm_framebuffer_put(fb);
}
return 0;
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.h b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
index 73a7eeba3973..1796d8824580 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.h
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.h
@@ -31,6 +31,8 @@
#include "nouveau_display.h"
+struct nouveau_vma;
+
struct nouveau_fbdev {
struct drm_fb_helper helper; /* must be first */
unsigned int saved_flags;
@@ -41,6 +43,7 @@ struct nouveau_fbdev {
struct nvif_object gdi;
struct nvif_object blit;
struct nvif_object twod;
+ struct nouveau_vma *vma;
struct mutex hotplug_lock;
bool hotplug_waiting;
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index f5ece1f94973..4c3f131ad31d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -76,8 +76,10 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
return ret;
ret = pm_runtime_get_sync(dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev);
goto out;
+ }
ret = nouveau_vma_new(nvbo, vmm, &vma);
pm_runtime_mark_last_busy(dev);
@@ -157,8 +159,8 @@ nouveau_gem_object_close(struct drm_gem_object *gem, struct drm_file *file_priv)
if (!WARN_ON(ret < 0 && ret != -EACCES)) {
nouveau_gem_object_unmap(nvbo, vma);
pm_runtime_mark_last_busy(dev);
- pm_runtime_put_autosuspend(dev);
}
+ pm_runtime_put_autosuspend(dev);
}
}
ttm_bo_unreserve(&nvbo->bo);
diff --git a/drivers/gpu/drm/nouveau/nouveau_platform.c b/drivers/gpu/drm/nouveau/nouveau_platform.c
index 039e23548e08..23cd43a7fd19 100644
--- a/drivers/gpu/drm/nouveau/nouveau_platform.c
+++ b/drivers/gpu/drm/nouveau/nouveau_platform.c
@@ -95,14 +95,3 @@ struct platform_driver nouveau_platform_driver = {
.probe = nouveau_platform_probe,
.remove = nouveau_platform_remove,
};
-
-#if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
-MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
-MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
-MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
-MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
-MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
-MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
-MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
-MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
-#endif
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 645fedd77e21..22f054f7ee3e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -70,6 +70,12 @@ struct nouveau_svm {
#define SVM_DBG(s,f,a...) NV_DEBUG((s)->drm, "svm: "f"\n", ##a)
#define SVM_ERR(s,f,a...) NV_WARN((s)->drm, "svm: "f"\n", ##a)
+struct nouveau_pfnmap_args {
+ struct nvif_ioctl_v0 i;
+ struct nvif_ioctl_mthd_v0 m;
+ struct nvif_vmm_pfnmap_v0 p;
+};
+
struct nouveau_ivmm {
struct nouveau_svmm *svmm;
u64 inst;
@@ -187,7 +193,8 @@ nouveau_svmm_bind(struct drm_device *dev, void *data,
addr = max(addr, vma->vm_start);
next = min(vma->vm_end, end);
/* This is a best effort so we ignore errors */
- nouveau_dmem_migrate_vma(cli->drm, vma, addr, next);
+ nouveau_dmem_migrate_vma(cli->drm, cli->svm.svmm, vma, addr,
+ next);
addr = next;
}
@@ -369,19 +376,6 @@ out_free:
return ret;
}
-static const u64
-nouveau_svm_pfn_flags[HMM_PFN_FLAG_MAX] = {
- [HMM_PFN_VALID ] = NVIF_VMM_PFNMAP_V0_V,
- [HMM_PFN_WRITE ] = NVIF_VMM_PFNMAP_V0_W,
-};
-
-static const u64
-nouveau_svm_pfn_values[HMM_PFN_VALUE_MAX] = {
- [HMM_PFN_ERROR ] = ~NVIF_VMM_PFNMAP_V0_V,
- [HMM_PFN_NONE ] = NVIF_VMM_PFNMAP_V0_NONE,
- [HMM_PFN_SPECIAL] = ~NVIF_VMM_PFNMAP_V0_V,
-};
-
/* Issue fault replay for GPU to retry accesses that faulted previously. */
static void
nouveau_svm_fault_replay(struct nouveau_svm *svm)
@@ -519,9 +513,45 @@ static const struct mmu_interval_notifier_ops nouveau_svm_mni_ops = {
.invalidate = nouveau_svm_range_invalidate,
};
+static void nouveau_hmm_convert_pfn(struct nouveau_drm *drm,
+ struct hmm_range *range, u64 *ioctl_addr)
+{
+ unsigned long i, npages;
+
+ /*
+ * The ioctl_addr prepared here is passed through nvif_object_ioctl()
+ * to an eventual DMA map in something like gp100_vmm_pgt_pfn()
+ *
+ * This is all just encoding the internal hmm representation into a
+ * different nouveau internal representation.
+ */
+ npages = (range->end - range->start) >> PAGE_SHIFT;
+ for (i = 0; i < npages; ++i) {
+ struct page *page;
+
+ if (!(range->hmm_pfns[i] & HMM_PFN_VALID)) {
+ ioctl_addr[i] = 0;
+ continue;
+ }
+
+ page = hmm_pfn_to_page(range->hmm_pfns[i]);
+ if (is_device_private_page(page))
+ ioctl_addr[i] = nouveau_dmem_page_addr(page) |
+ NVIF_VMM_PFNMAP_V0_V |
+ NVIF_VMM_PFNMAP_V0_VRAM;
+ else
+ ioctl_addr[i] = page_to_phys(page) |
+ NVIF_VMM_PFNMAP_V0_V |
+ NVIF_VMM_PFNMAP_V0_HOST;
+ if (range->hmm_pfns[i] & HMM_PFN_WRITE)
+ ioctl_addr[i] |= NVIF_VMM_PFNMAP_V0_W;
+ }
+}
+
static int nouveau_range_fault(struct nouveau_svmm *svmm,
struct nouveau_drm *drm, void *data, u32 size,
- u64 *pfns, struct svm_notifier *notifier)
+ unsigned long hmm_pfns[], u64 *ioctl_addr,
+ struct svm_notifier *notifier)
{
unsigned long timeout =
jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
@@ -530,26 +560,27 @@ static int nouveau_range_fault(struct nouveau_svmm *svmm,
.notifier = &notifier->notifier,
.start = notifier->notifier.interval_tree.start,
.end = notifier->notifier.interval_tree.last + 1,
- .pfns = pfns,
- .flags = nouveau_svm_pfn_flags,
- .values = nouveau_svm_pfn_values,
- .pfn_shift = NVIF_VMM_PFNMAP_V0_ADDR_SHIFT,
+ .pfn_flags_mask = HMM_PFN_REQ_FAULT | HMM_PFN_REQ_WRITE,
+ .hmm_pfns = hmm_pfns,
};
struct mm_struct *mm = notifier->notifier.mm;
- long ret;
+ int ret;
while (true) {
if (time_after(jiffies, timeout))
return -EBUSY;
range.notifier_seq = mmu_interval_read_begin(range.notifier);
- range.default_flags = 0;
- range.pfn_flags_mask = -1UL;
down_read(&mm->mmap_sem);
ret = hmm_range_fault(&range);
up_read(&mm->mmap_sem);
- if (ret <= 0) {
- if (ret == 0 || ret == -EBUSY)
+ if (ret) {
+ /*
+ * FIXME: the input PFN_REQ flags are destroyed on
+ * -EBUSY, we need to regenerate them, also for the
+ * other continue below
+ */
+ if (ret == -EBUSY)
continue;
return ret;
}
@@ -563,7 +594,7 @@ static int nouveau_range_fault(struct nouveau_svmm *svmm,
break;
}
- nouveau_dmem_convert_pfn(drm, &range);
+ nouveau_hmm_convert_pfn(drm, &range, ioctl_addr);
svmm->vmm->vmm.object.client->super = true;
ret = nvif_object_ioctl(&svmm->vmm->vmm.object, data, size, NULL);
@@ -590,6 +621,7 @@ nouveau_svm_fault(struct nvif_notify *notify)
} i;
u64 phys[16];
} args;
+ unsigned long hmm_pfns[ARRAY_SIZE(args.phys)];
struct vm_area_struct *vma;
u64 inst, start, limit;
int fi, fn, pi, fill;
@@ -705,12 +737,17 @@ nouveau_svm_fault(struct nvif_notify *notify)
* access flags.
*XXX: atomic?
*/
- if (buffer->fault[fn]->access != 0 /* READ. */ &&
- buffer->fault[fn]->access != 3 /* PREFETCH. */) {
- args.phys[pi++] = NVIF_VMM_PFNMAP_V0_V |
- NVIF_VMM_PFNMAP_V0_W;
- } else {
- args.phys[pi++] = NVIF_VMM_PFNMAP_V0_V;
+ switch (buffer->fault[fn]->access) {
+ case 0: /* READ. */
+ hmm_pfns[pi++] = HMM_PFN_REQ_FAULT;
+ break;
+ case 3: /* PREFETCH. */
+ hmm_pfns[pi++] = 0;
+ break;
+ default:
+ hmm_pfns[pi++] = HMM_PFN_REQ_FAULT |
+ HMM_PFN_REQ_WRITE;
+ break;
}
args.i.p.size = pi << PAGE_SHIFT;
@@ -738,7 +775,7 @@ nouveau_svm_fault(struct nvif_notify *notify)
fill = (buffer->fault[fn ]->addr -
buffer->fault[fn - 1]->addr) >> PAGE_SHIFT;
while (--fill)
- args.phys[pi++] = NVIF_VMM_PFNMAP_V0_NONE;
+ hmm_pfns[pi++] = 0;
}
SVMM_DBG(svmm, "wndw %016llx-%016llx covering %d fault(s)",
@@ -754,7 +791,7 @@ nouveau_svm_fault(struct nvif_notify *notify)
ret = nouveau_range_fault(
svmm, svm->drm, &args,
sizeof(args.i) + pi * sizeof(args.phys[0]),
- args.phys, &notifier);
+ hmm_pfns, args.phys, &notifier);
mmu_interval_notifier_remove(&notifier.notifier);
}
mmput(mm);
@@ -784,6 +821,56 @@ nouveau_svm_fault(struct nvif_notify *notify)
return NVIF_NOTIFY_KEEP;
}
+static struct nouveau_pfnmap_args *
+nouveau_pfns_to_args(void *pfns)
+{
+ return container_of(pfns, struct nouveau_pfnmap_args, p.phys);
+}
+
+u64 *
+nouveau_pfns_alloc(unsigned long npages)
+{
+ struct nouveau_pfnmap_args *args;
+
+ args = kzalloc(struct_size(args, p.phys, npages), GFP_KERNEL);
+ if (!args)
+ return NULL;
+
+ args->i.type = NVIF_IOCTL_V0_MTHD;
+ args->m.method = NVIF_VMM_V0_PFNMAP;
+ args->p.page = PAGE_SHIFT;
+
+ return args->p.phys;
+}
+
+void
+nouveau_pfns_free(u64 *pfns)
+{
+ struct nouveau_pfnmap_args *args = nouveau_pfns_to_args(pfns);
+
+ kfree(args);
+}
+
+void
+nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
+ unsigned long addr, u64 *pfns, unsigned long npages)
+{
+ struct nouveau_pfnmap_args *args = nouveau_pfns_to_args(pfns);
+ int ret;
+
+ args->p.addr = addr;
+ args->p.size = npages << PAGE_SHIFT;
+
+ mutex_lock(&svmm->mutex);
+
+ svmm->vmm->vmm.object.client->super = true;
+ ret = nvif_object_ioctl(&svmm->vmm->vmm.object, args, sizeof(*args) +
+ npages * sizeof(args->p.phys[0]), NULL);
+ svmm->vmm->vmm.object.client->super = false;
+
+ mutex_unlock(&svmm->mutex);
+}
+
static void
nouveau_svm_fault_buffer_fini(struct nouveau_svm *svm, int id)
{
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.h b/drivers/gpu/drm/nouveau/nouveau_svm.h
index e839d8189461..f0fcd1b72e8b 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.h
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.h
@@ -18,6 +18,11 @@ void nouveau_svmm_fini(struct nouveau_svmm **);
int nouveau_svmm_join(struct nouveau_svmm *, u64 inst);
void nouveau_svmm_part(struct nouveau_svmm *, u64 inst);
int nouveau_svmm_bind(struct drm_device *, void *, struct drm_file *);
+
+u64 *nouveau_pfns_alloc(unsigned long npages);
+void nouveau_pfns_free(u64 *pfns);
+void nouveau_pfns_map(struct nouveau_svmm *svmm, struct mm_struct *mm,
+ unsigned long addr, u64 *pfns, unsigned long npages);
#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
static inline void nouveau_svm_init(struct nouveau_drm *drm) {}
static inline void nouveau_svm_fini(struct nouveau_drm *drm) {}
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c
index facd18564e0d..47428f79ede8 100644
--- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
@@ -149,7 +149,6 @@ int
nv50_fbcon_accel_init(struct fb_info *info)
{
struct nouveau_fbdev *nfbdev = info->par;
- struct nouveau_framebuffer *fb = nouveau_framebuffer(nfbdev->helper.fb);
struct drm_device *dev = nfbdev->helper.dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_channel *chan = drm->channel;
@@ -240,8 +239,8 @@ nv50_fbcon_accel_init(struct fb_info *info)
OUT_RING(chan, info->fix.line_length);
OUT_RING(chan, info->var.xres_virtual);
OUT_RING(chan, info->var.yres_virtual);
- OUT_RING(chan, upper_32_bits(fb->vma->addr));
- OUT_RING(chan, lower_32_bits(fb->vma->addr));
+ OUT_RING(chan, upper_32_bits(nfbdev->vma->addr));
+ OUT_RING(chan, lower_32_bits(nfbdev->vma->addr));
BEGIN_NV04(chan, NvSub2D, 0x0230, 2);
OUT_RING(chan, format);
OUT_RING(chan, 1);
@@ -249,8 +248,8 @@ nv50_fbcon_accel_init(struct fb_info *info)
OUT_RING(chan, info->fix.line_length);
OUT_RING(chan, info->var.xres_virtual);
OUT_RING(chan, info->var.yres_virtual);
- OUT_RING(chan, upper_32_bits(fb->vma->addr));
- OUT_RING(chan, lower_32_bits(fb->vma->addr));
+ OUT_RING(chan, upper_32_bits(nfbdev->vma->addr));
+ OUT_RING(chan, lower_32_bits(nfbdev->vma->addr));
FIRE_RING(chan);
return 0;
diff --git a/drivers/gpu/drm/nouveau/nvc0_fbcon.c b/drivers/gpu/drm/nouveau/nvc0_fbcon.c
index c0deef4fe727..cb56163ed608 100644
--- a/drivers/gpu/drm/nouveau/nvc0_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nvc0_fbcon.c
@@ -150,7 +150,6 @@ nvc0_fbcon_accel_init(struct fb_info *info)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->helper.dev;
- struct nouveau_framebuffer *fb = nouveau_framebuffer(nfbdev->helper.fb);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_channel *chan = drm->channel;
int ret, format;
@@ -240,8 +239,8 @@ nvc0_fbcon_accel_init(struct fb_info *info)
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
- OUT_RING (chan, upper_32_bits(fb->vma->addr));
- OUT_RING (chan, lower_32_bits(fb->vma->addr));
+ OUT_RING (chan, upper_32_bits(nfbdev->vma->addr));
+ OUT_RING (chan, lower_32_bits(nfbdev->vma->addr));
BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
OUT_RING (chan, format);
OUT_RING (chan, 1);
@@ -251,8 +250,8 @@ nvc0_fbcon_accel_init(struct fb_info *info)
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
- OUT_RING (chan, upper_32_bits(fb->vma->addr));
- OUT_RING (chan, lower_32_bits(fb->vma->addr));
+ OUT_RING (chan, upper_32_bits(nfbdev->vma->addr));
+ OUT_RING (chan, lower_32_bits(nfbdev->vma->addr));
FIRE_RING (chan);
return 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/memory.c b/drivers/gpu/drm/nouveau/nvkm/core/memory.c
index 4cc186262d34..38130ef272d6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/memory.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/memory.c
@@ -140,7 +140,7 @@ nvkm_memory_new(struct nvkm_device *device, enum nvkm_memory_target target,
{
struct nvkm_instmem *imem = device->imem;
struct nvkm_memory *memory;
- int ret = -ENOSYS;
+ int ret;
if (unlikely(target != NVKM_MEM_TARGET_INST || !imem))
return -ENOSYS;
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
index 79a8f9d305c5..49d468b45d3f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/subdev.c
@@ -221,3 +221,14 @@ nvkm_subdev_ctor(const struct nvkm_subdev_func *func,
__mutex_init(&subdev->mutex, name, &nvkm_subdev_lock_class[index]);
subdev->debug = nvkm_dbgopt(device->dbgopt, name);
}
+
+int
+nvkm_subdev_new_(const struct nvkm_subdev_func *func,
+ struct nvkm_device *device, int index,
+ struct nvkm_subdev **psubdev)
+{
+ if (!(*psubdev = kzalloc(sizeof(**psubdev), GFP_KERNEL)))
+ return -ENOMEM;
+ nvkm_subdev_ctor(func, device, index, *psubdev);
+ return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
index 8ebbe1656008..5b90c2a1bf3d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
@@ -2924,6 +2924,20 @@ nvkm_device_del(struct nvkm_device **pdevice)
}
}
+static inline bool
+nvkm_device_endianness(struct nvkm_device *device)
+{
+ u32 boot1 = nvkm_rd32(device, 0x000004) & 0x01000001;
+#ifdef __BIG_ENDIAN
+ if (!boot1)
+ return false;
+#else
+ if (boot1)
+ return false;
+#endif
+ return true;
+}
+
int
nvkm_device_ctor(const struct nvkm_device_func *func,
const struct nvkm_device_quirk *quirk,
@@ -2934,8 +2948,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
{
struct nvkm_subdev *subdev;
u64 mmio_base, mmio_size;
- u32 boot0, strap;
- void __iomem *map;
+ u32 boot0, boot1, strap;
int ret = -EEXIST, i;
unsigned chipset;
@@ -2961,26 +2974,30 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
mmio_base = device->func->resource_addr(device, 0);
mmio_size = device->func->resource_size(device, 0);
- /* identify the chipset, and determine classes of subdev/engines */
- if (detect) {
- map = ioremap(mmio_base, 0x102000);
- if (ret = -ENOMEM, map == NULL)
+ if (detect || mmio) {
+ device->pri = ioremap(mmio_base, mmio_size);
+ if (device->pri == NULL) {
+ nvdev_error(device, "unable to map PRI\n");
+ ret = -ENOMEM;
goto done;
+ }
+ }
+ /* identify the chipset, and determine classes of subdev/engines */
+ if (detect) {
/* switch mmio to cpu's native endianness */
-#ifndef __BIG_ENDIAN
- if (ioread32_native(map + 0x000004) != 0x00000000) {
-#else
- if (ioread32_native(map + 0x000004) == 0x00000000) {
-#endif
- iowrite32_native(0x01000001, map + 0x000004);
- ioread32_native(map);
+ if (!nvkm_device_endianness(device)) {
+ nvkm_wr32(device, 0x000004, 0x01000001);
+ nvkm_rd32(device, 0x000000);
+ if (!nvkm_device_endianness(device)) {
+ nvdev_error(device,
+ "GPU not supported on big-endian\n");
+ ret = -ENOSYS;
+ goto done;
+ }
}
- /* read boot0 and strapping information */
- boot0 = ioread32_native(map + 0x000000);
- strap = ioread32_native(map + 0x101000);
- iounmap(map);
+ boot0 = nvkm_rd32(device, 0x000000);
/* chipset can be overridden for devel/testing purposes */
chipset = nvkm_longopt(device->cfgopt, "NvChipset", 0);
@@ -3138,6 +3155,17 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
nvdev_info(device, "NVIDIA %s (%08x)\n",
device->chip->name, boot0);
+ /* vGPU detection */
+ boot1 = nvkm_rd32(device, 0x0000004);
+ if (device->card_type >= TU100 && (boot1 & 0x00030000)) {
+ nvdev_info(device, "vGPUs are not supported\n");
+ ret = -ENODEV;
+ goto done;
+ }
+
+ /* read strapping information */
+ strap = nvkm_rd32(device, 0x101000);
+
/* determine frequency of timing crystal */
if ( device->card_type <= NV_10 || device->chipset < 0x17 ||
(device->chipset >= 0x20 && device->chipset < 0x25))
@@ -3158,15 +3186,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
if (!device->name)
device->name = device->chip->name;
- if (mmio) {
- device->pri = ioremap(mmio_base, mmio_size);
- if (!device->pri) {
- nvdev_error(device, "unable to map PRI\n");
- ret = -ENOMEM;
- goto done;
- }
- }
-
mutex_init(&device->mutex);
for (i = 0; i < NVKM_SUBDEV_NR; i++) {
@@ -3254,6 +3273,10 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
ret = 0;
done:
+ if (device->pri && (!mmio || ret)) {
+ iounmap(device->pri);
+ device->pri = NULL;
+ }
mutex_unlock(&nv_devices_mutex);
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
index 0d584d0da59c..571687ba85b8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/Kbuild
@@ -47,6 +47,7 @@ nvkm-y += nvkm/engine/disp/dp.o
nvkm-y += nvkm/engine/disp/hdagt215.o
nvkm-y += nvkm/engine/disp/hdagf119.o
+nvkm-y += nvkm/engine/disp/hdagv100.o
nvkm-y += nvkm/engine/disp/hdmi.o
nvkm-y += nvkm/engine/disp/hdmig84.o
@@ -74,6 +75,8 @@ nvkm-y += nvkm/engine/disp/rootgp102.o
nvkm-y += nvkm/engine/disp/rootgv100.o
nvkm-y += nvkm/engine/disp/roottu102.o
+nvkm-y += nvkm/engine/disp/capsgv100.o
+
nvkm-y += nvkm/engine/disp/channv50.o
nvkm-y += nvkm/engine/disp/changf119.o
nvkm-y += nvkm/engine/disp/changv100.o
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/capsgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/capsgv100.c
new file mode 100644
index 000000000000..5026e530f4bb
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/capsgv100.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2020 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#define gv100_disp_caps(p) container_of((p), struct gv100_disp_caps, object)
+#include "rootnv50.h"
+
+struct gv100_disp_caps {
+ struct nvkm_object object;
+ struct nv50_disp *disp;
+};
+
+static int
+gv100_disp_caps_map(struct nvkm_object *object, void *argv, u32 argc,
+ enum nvkm_object_map *type, u64 *addr, u64 *size)
+{
+ struct gv100_disp_caps *caps = gv100_disp_caps(object);
+ struct nvkm_device *device = caps->disp->base.engine.subdev.device;
+ *type = NVKM_OBJECT_MAP_IO;
+ *addr = 0x640000 + device->func->resource_addr(device, 0);
+ *size = 0x1000;
+ return 0;
+}
+
+static const struct nvkm_object_func
+gv100_disp_caps = {
+ .map = gv100_disp_caps_map,
+};
+
+int
+gv100_disp_caps_new(const struct nvkm_oclass *oclass, void *argv, u32 argc,
+ struct nv50_disp *disp, struct nvkm_object **pobject)
+{
+ struct gv100_disp_caps *caps;
+
+ if (!(caps = kzalloc(sizeof(*caps), GFP_KERNEL)))
+ return -ENOMEM;
+ *pobject = &caps->object;
+
+ nvkm_object_ctor(&gv100_disp_caps, oclass, &caps->object);
+ caps->disp = disp;
+ return 0;
+}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
index 0fa0ec0a1de0..19d2d58344e4 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagf119.c
@@ -24,10 +24,18 @@
#include "ior.h"
void
-gf119_hda_eld(struct nvkm_ior *ior, u8 *data, u8 size)
+gf119_hda_device_entry(struct nvkm_ior *ior, int head)
{
struct nvkm_device *device = ior->disp->engine.subdev.device;
- const u32 soff = 0x030 * ior->id;
+ const u32 hoff = 0x800 * head;
+ nvkm_mask(device, 0x616548 + hoff, 0x00000070, head << 4);
+}
+
+void
+gf119_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
+{
+ struct nvkm_device *device = ior->disp->engine.subdev.device;
+ const u32 soff = 0x030 * ior->id + (head * 0x04);
int i;
for (i = 0; i < size; i++)
@@ -41,14 +49,14 @@ void
gf119_hda_hpd(struct nvkm_ior *ior, int head, bool present)
{
struct nvkm_device *device = ior->disp->engine.subdev.device;
- const u32 hoff = 0x800 * head;
+ const u32 soff = 0x030 * ior->id + (head * 0x04);
u32 data = 0x80000000;
u32 mask = 0x80000001;
if (present) {
- nvkm_mask(device, 0x616548 + hoff, 0x00000070, 0x00000000);
+ ior->func->hda.device_entry(ior, head);
data |= 0x00000001;
} else {
mask |= 0x00000002;
}
- nvkm_mask(device, 0x10ec10 + ior->id * 0x030, mask, data);
+ nvkm_mask(device, 0x10ec10 + soff, mask, data);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
index 4509d2ba880e..0d1b81fe1093 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagt215.c
@@ -24,7 +24,7 @@
#include "ior.h"
void
-gt215_hda_eld(struct nvkm_ior *ior, u8 *data, u8 size)
+gt215_hda_eld(struct nvkm_ior *ior, int head, u8 *data, u8 size)
{
struct nvkm_device *device = ior->disp->engine.subdev.device;
const u32 soff = ior->id * 0x800;
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagv100.c
index 723af0b2dda0..57d374ecfeef 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dml_common_defs.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdagv100.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2017 Advanced Micro Devices, Inc.
+ * Copyright 2020 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -18,26 +18,13 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
*/
+#include "ior.h"
-#include "dml_common_defs.h"
-#include "dcn_calc_math.h"
-
-#include "dml_inline_defs.h"
-
-double dml_round(double a)
+void
+gv100_hda_device_entry(struct nvkm_ior *ior, int head)
{
- double round_pt = 0.5;
- double ceil = dml_ceil(a, 1);
- double floor = dml_floor(a, 1);
-
- if (a - floor >= round_pt)
- return ceil;
- else
- return floor;
+ struct nvkm_device *device = ior->disp->engine.subdev.device;
+ const u32 hoff = 0x800 * head;
+ nvkm_mask(device, 0x616528 + hoff, 0x00000070, head << 4);
}
-
-
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
index 009d3a8b7a50..c1d7a36e4d3c 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h
@@ -87,7 +87,8 @@ struct nvkm_ior_func {
struct {
void (*hpd)(struct nvkm_ior *, int head, bool present);
- void (*eld)(struct nvkm_ior *, u8 *data, u8 size);
+ void (*eld)(struct nvkm_ior *, int head, u8 *data, u8 size);
+ void (*device_entry)(struct nvkm_ior *, int head);
} hda;
};
@@ -158,10 +159,13 @@ void gv100_hdmi_ctrl(struct nvkm_ior *, int, bool, u8, u8, u8 *, u8 , u8 *, u8);
void gm200_hdmi_scdc(struct nvkm_ior *, int, u8);
void gt215_hda_hpd(struct nvkm_ior *, int, bool);
-void gt215_hda_eld(struct nvkm_ior *, u8 *, u8);
+void gt215_hda_eld(struct nvkm_ior *, int, u8 *, u8);
void gf119_hda_hpd(struct nvkm_ior *, int, bool);
-void gf119_hda_eld(struct nvkm_ior *, u8 *, u8);
+void gf119_hda_eld(struct nvkm_ior *, int, u8 *, u8);
+void gf119_hda_device_entry(struct nvkm_ior *, int);
+
+void gv100_hda_device_entry(struct nvkm_ior *, int);
#define IOR_MSG(i,l,f,a...) do { \
struct nvkm_ior *_ior = (i); \
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgv100.c
index 9c658d632d37..47efb48d769a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootgv100.c
@@ -27,6 +27,7 @@
static const struct nv50_disp_root_func
gv100_disp_root = {
.user = {
+ {{-1,-1,GV100_DISP_CAPS }, gv100_disp_caps_new },
{{0,0,GV100_DISP_CURSOR }, gv100_disp_curs_new },
{{0,0,GV100_DISP_WINDOW_IMM_CHANNEL_DMA}, gv100_disp_wimm_new },
{{0,0,GV100_DISP_CORE_CHANNEL_DMA }, gv100_disp_core_new },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
index 5f758948d6e1..a7672ef17d3b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.c
@@ -155,7 +155,7 @@ nv50_disp_root_mthd_(struct nvkm_object *object, u32 mthd, void *data, u32 size)
if (outp->info.type == DCB_OUTPUT_DP)
ior->func->dp.audio(ior, hidx, true);
ior->func->hda.hpd(ior, hidx, true);
- ior->func->hda.eld(ior, data, size);
+ ior->func->hda.eld(ior, hidx, data, size);
} else {
if (outp->info.type == DCB_OUTPUT_DP)
ior->func->dp.audio(ior, hidx, false);
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
index a1f942793f98..7070f5408d92 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h
@@ -24,6 +24,9 @@ int nv50_disp_root_new_(const struct nv50_disp_root_func *, struct nvkm_disp *,
const struct nvkm_oclass *, void *data, u32 size,
struct nvkm_object **);
+int gv100_disp_caps_new(const struct nvkm_oclass *, void *, u32,
+ struct nv50_disp *, struct nvkm_object **);
+
extern const struct nvkm_disp_oclass nv50_disp_root_oclass;
extern const struct nvkm_disp_oclass g84_disp_root_oclass;
extern const struct nvkm_disp_oclass g94_disp_root_oclass;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/roottu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/roottu102.c
index 579a5d02308a..d8719d38b98a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/roottu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/roottu102.c
@@ -27,6 +27,7 @@
static const struct nv50_disp_root_func
tu102_disp_root = {
.user = {
+ {{-1,-1,GV100_DISP_CAPS }, gv100_disp_caps_new },
{{0,0,TU102_DISP_CURSOR }, gv100_disp_curs_new },
{{0,0,TU102_DISP_WINDOW_IMM_CHANNEL_DMA}, gv100_disp_wimm_new },
{{0,0,TU102_DISP_CORE_CHANNEL_DMA }, gv100_disp_core_new },
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
index 456a5a143522..3b3643fb1019 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf119.c
@@ -177,6 +177,7 @@ gf119_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gf119_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgk104.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgk104.c
index b94090edaebf..0c0925680790 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgk104.c
@@ -43,6 +43,7 @@ gk104_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gf119_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
index e6965dec09c9..38045c92197f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm107.c
@@ -57,6 +57,7 @@ gm107_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gf119_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
index 384f82652bec..cf2075db742a 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm200.c
@@ -115,6 +115,7 @@ gm200_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gf119_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
index b0597ff9a714..d11a0dff10c6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgv100.c
@@ -103,6 +103,7 @@ gv100_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gv100_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sortu102.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sortu102.c
index 4d5f3791ea7b..fa6d74251237 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sortu102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sortu102.c
@@ -88,6 +88,7 @@ tu102_sor = {
.hda = {
.hpd = gf119_hda_hpd,
.eld = gf119_hda_eld,
+ .device_entry = gv100_hda_device_entry,
},
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
index 4209b24a46d7..ec330d791d15 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gk20a.c
@@ -319,6 +319,17 @@ gk20a_gr_load_sw(struct gf100_gr *gr, const char *path, int ver)
return 0;
}
+#if IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) || IS_ENABLED(CONFIG_ARCH_TEGRA_132_SOC)
+MODULE_FIRMWARE("nvidia/gk20a/fecs_data.bin");
+MODULE_FIRMWARE("nvidia/gk20a/fecs_inst.bin");
+MODULE_FIRMWARE("nvidia/gk20a/gpccs_data.bin");
+MODULE_FIRMWARE("nvidia/gk20a/gpccs_inst.bin");
+MODULE_FIRMWARE("nvidia/gk20a/sw_bundle_init.bin");
+MODULE_FIRMWARE("nvidia/gk20a/sw_ctx.bin");
+MODULE_FIRMWARE("nvidia/gk20a/sw_method_init.bin");
+MODULE_FIRMWARE("nvidia/gk20a/sw_nonctx.bin");
+#endif
+
static int
gk20a_gr_load(struct gf100_gr *gr, int ver, const struct gf100_gr_fwif *fwif)
{
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c
index 8eb2a930a9b5..e4866a02e457 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/base.c
@@ -250,6 +250,11 @@ nvkm_acr_oneinit(struct nvkm_subdev *subdev)
list_add_tail(&lsf->head, &acr->lsf);
}
+ /* Ensure the falcon that'll provide ACR functions is booted first. */
+ lsf = nvkm_acr_falcon(device);
+ if (lsf)
+ list_move(&lsf->head, &acr->lsf);
+
if (!acr->wpr_fw || acr->wpr_comp)
wpr_size = acr->func->wpr_layout(acr);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
index aecce2dac558..667fa016496e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
@@ -100,25 +100,21 @@ nvkm_acr_hsfw_load_image(struct nvkm_acr *acr, const char *name, int ver,
hsfw->data_size = lhdr->data_size;
hsfw->sig.prod.size = fwhdr->sig_prod_size;
- hsfw->sig.prod.data = kmalloc(hsfw->sig.prod.size, GFP_KERNEL);
+ hsfw->sig.prod.data = kmemdup(fw->data + fwhdr->sig_prod_offset + sig,
+ hsfw->sig.prod.size, GFP_KERNEL);
if (!hsfw->sig.prod.data) {
ret = -ENOMEM;
goto done;
}
- memcpy(hsfw->sig.prod.data, fw->data + fwhdr->sig_prod_offset + sig,
- hsfw->sig.prod.size);
-
hsfw->sig.dbg.size = fwhdr->sig_dbg_size;
- hsfw->sig.dbg.data = kmalloc(hsfw->sig.dbg.size, GFP_KERNEL);
+ hsfw->sig.dbg.data = kmemdup(fw->data + fwhdr->sig_dbg_offset + sig,
+ hsfw->sig.dbg.size, GFP_KERNEL);
if (!hsfw->sig.dbg.data) {
ret = -ENOMEM;
goto done;
}
- memcpy(hsfw->sig.dbg.data, fw->data + fwhdr->sig_dbg_offset + sig,
- hsfw->sig.dbg.size);
-
hsfw->sig.patch_loc = loc;
done:
nvkm_firmware_put(fw);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
index 06572f8ce914..f9c427559538 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
@@ -22,22 +22,39 @@
*/
#include "priv.h"
-#if defined(CONFIG_ACPI) && defined(CONFIG_X86)
-int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len);
-bool nouveau_acpi_rom_supported(struct device *);
-#else
-static inline bool
-nouveau_acpi_rom_supported(struct device *dev)
+static int
+acpi_read_bios(acpi_handle rom_handle, u8 *bios, u32 offset, u32 length)
{
- return false;
-}
+#if defined(CONFIG_ACPI) && defined(CONFIG_X86)
+ acpi_status status;
+ union acpi_object rom_arg_elements[2], *obj;
+ struct acpi_object_list rom_arg;
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL};
-static inline int
-nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len)
-{
+ rom_arg.count = 2;
+ rom_arg.pointer = &rom_arg_elements[0];
+
+ rom_arg_elements[0].type = ACPI_TYPE_INTEGER;
+ rom_arg_elements[0].integer.value = offset;
+
+ rom_arg_elements[1].type = ACPI_TYPE_INTEGER;
+ rom_arg_elements[1].integer.value = length;
+
+ status = acpi_evaluate_object(rom_handle, NULL, &rom_arg, &buffer);
+ if (ACPI_FAILURE(status)) {
+ pr_info("failed to evaluate ROM got %s\n",
+ acpi_format_exception(status));
+ return -ENODEV;
+ }
+ obj = (union acpi_object *)buffer.pointer;
+ length = min(length, obj->buffer.length);
+ memcpy(bios+offset, obj->buffer.pointer, length);
+ kfree(buffer.pointer);
+ return length;
+#else
return -EINVAL;
-}
#endif
+}
/* This version of the shadow function disobeys the ACPI spec and tries
* to fetch in units of more than 4KiB at a time. This is a LOT faster
@@ -51,7 +68,7 @@ acpi_read_fast(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
u32 fetch = limit - start;
if (nvbios_extend(bios, limit) >= 0) {
- int ret = nouveau_acpi_get_bios_chunk(bios->data, start, fetch);
+ int ret = acpi_read_bios(data, bios->data, start, fetch);
if (ret == fetch)
return fetch;
}
@@ -73,9 +90,8 @@ acpi_read_slow(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
if (nvbios_extend(bios, limit) >= 0) {
while (start + fetch < limit) {
- int ret = nouveau_acpi_get_bios_chunk(bios->data,
- start + fetch,
- 0x1000);
+ int ret = acpi_read_bios(data, bios->data,
+ start + fetch, 0x1000);
if (ret != 0x1000)
break;
fetch += 0x1000;
@@ -88,9 +104,22 @@ acpi_read_slow(void *data, u32 offset, u32 length, struct nvkm_bios *bios)
static void *
acpi_init(struct nvkm_bios *bios, const char *name)
{
- if (!nouveau_acpi_rom_supported(bios->subdev.device->dev))
+#if defined(CONFIG_ACPI) && defined(CONFIG_X86)
+ acpi_status status;
+ acpi_handle dhandle, rom_handle;
+
+ dhandle = ACPI_HANDLE(bios->subdev.device->dev);
+ if (!dhandle)
return ERR_PTR(-ENODEV);
- return NULL;
+
+ status = acpi_get_handle(dhandle, "_ROM", &rom_handle);
+ if (ACPI_FAILURE(status))
+ return ERR_PTR(-ENODEV);
+
+ return rom_handle;
+#else
+ return ERR_PTR(-ENODEV);
+#endif
}
const struct nvbios_source
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
index d80dbc8f09b2..2340040942c9 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
@@ -114,9 +114,5 @@ int
gf100_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gf100_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gf100_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c
index 3905a80da811..1124dadac145 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf117.c
@@ -43,9 +43,5 @@ int
gf117_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gf117_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gf117_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
index 9025ed1bd2a9..f3915f85838e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
@@ -117,9 +117,5 @@ int
gk104_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gk104_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gk104_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c
index 1a4ab825852c..187d544378b0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk20a.c
@@ -81,9 +81,5 @@ int
gk20a_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gk20a_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gk20a_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gm200.c
index c63328152bfa..0f1f0ad6377e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gm200.c
@@ -32,9 +32,5 @@ int
gm200_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gm200_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gm200_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gp10b.c
index 39db90aa2c80..0347b367cefe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gp10b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gp10b.c
@@ -51,9 +51,5 @@ int
gp10b_ibus_new(struct nvkm_device *device, int index,
struct nvkm_subdev **pibus)
{
- struct nvkm_subdev *ibus;
- if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
- return -ENOMEM;
- nvkm_subdev_ctor(&gp10b_ibus, device, index, ibus);
- return 0;
+ return nvkm_subdev_new_(&gp10b_ibus, device, index, pibus);
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index 41640e0584ac..199f94e15c5f 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -580,7 +580,7 @@ nvkm_vmm_iter(struct nvkm_vmm *vmm, const struct nvkm_vmm_page *page,
it.pte[it.lvl]++;
}
}
- };
+ }
nvkm_vmm_flush(&it);
return ~0ULL;
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h
index 5e55ecbd8005..d3f8f916d0db 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.h
@@ -304,7 +304,7 @@ int tu102_vmm_new(struct nvkm_mmu *, bool, u64, u64, void *, u32,
FILL(VMM, PT, PTEI, _ptes, MAP, _addr); \
PTEI += _ptes; \
PTEN -= _ptes; \
- }; \
+ } \
nvkm_done((PT)->memory); \
} while(0)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c
index 03b355dabab3..abf3eda683f0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/ic.c
@@ -36,8 +36,8 @@ probe_monitoring_device(struct nvkm_i2c_bus *bus,
request_module("%s%s", I2C_MODULE_PREFIX, info->type);
- client = i2c_new_device(&bus->i2c, info);
- if (!client)
+ client = i2c_new_client_device(&bus->i2c, info);
+ if (IS_ERR(client))
return false;
if (!client->dev.driver ||
diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index dbb90f2d2ccd..6639ee9b05d3 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -3137,33 +3137,12 @@ static void _dispc_mgr_set_lcd_timings(struct dispc_device *dispc,
dispc_write_reg(dispc, DISPC_TIMING_H(channel), timing_h);
dispc_write_reg(dispc, DISPC_TIMING_V(channel), timing_v);
- if (vm->flags & DISPLAY_FLAGS_VSYNC_HIGH)
- vs = false;
- else
- vs = true;
-
- if (vm->flags & DISPLAY_FLAGS_HSYNC_HIGH)
- hs = false;
- else
- hs = true;
-
- if (vm->flags & DISPLAY_FLAGS_DE_HIGH)
- de = false;
- else
- de = true;
-
- if (vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
- ipc = false;
- else
- ipc = true;
-
- /* always use the 'rf' setting */
- onoff = true;
-
- if (vm->flags & DISPLAY_FLAGS_SYNC_POSEDGE)
- rf = true;
- else
- rf = false;
+ vs = !!(vm->flags & DISPLAY_FLAGS_VSYNC_LOW);
+ hs = !!(vm->flags & DISPLAY_FLAGS_HSYNC_LOW);
+ de = !!(vm->flags & DISPLAY_FLAGS_DE_LOW);
+ ipc = !!(vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE);
+ onoff = true; /* always use the 'rf' setting */
+ rf = !!(vm->flags & DISPLAY_FLAGS_SYNC_POSEDGE);
l = FLD_VAL(onoff, 17, 17) |
FLD_VAL(rf, 16, 16) |
diff --git a/drivers/gpu/drm/omapdrm/dss/venc.c b/drivers/gpu/drm/omapdrm/dss/venc.c
index 766553bb2f87..9701843ccf09 100644
--- a/drivers/gpu/drm/omapdrm/dss/venc.c
+++ b/drivers/gpu/drm/omapdrm/dss/venc.c
@@ -208,49 +208,6 @@ static const struct venc_config venc_config_ntsc_trm = {
.gen_ctrl = 0x00F90000,
};
-static const struct venc_config venc_config_pal_bdghi = {
- .f_control = 0,
- .vidout_ctrl = 0,
- .sync_ctrl = 0,
- .hfltr_ctrl = 0,
- .x_color = 0,
- .line21 = 0,
- .ln_sel = 21,
- .htrigger_vtrigger = 0,
- .tvdetgp_int_start_stop_x = 0x00140001,
- .tvdetgp_int_start_stop_y = 0x00010001,
- .gen_ctrl = 0x00FB0000,
-
- .llen = 864-1,
- .flens = 625-1,
- .cc_carr_wss_carr = 0x2F7625ED,
- .c_phase = 0xDF,
- .gain_u = 0x111,
- .gain_v = 0x181,
- .gain_y = 0x140,
- .black_level = 0x3e,
- .blank_level = 0x3e,
- .m_control = 0<<2 | 1<<1,
- .bstamp_wss_data = 0x42,
- .s_carr = 0x2a098acb,
- .l21__wc_ctl = 0<<13 | 0x16<<8 | 0<<0,
- .savid__eavid = 0x06A70108,
- .flen__fal = 23<<16 | 624<<0,
- .lal__phase_reset = 2<<17 | 310<<0,
- .hs_int_start_stop_x = 0x00920358,
- .hs_ext_start_stop_x = 0x000F035F,
- .vs_int_start_x = 0x1a7<<16,
- .vs_int_stop_x__vs_int_start_y = 0x000601A7,
- .vs_int_stop_y__vs_ext_start_x = 0x01AF0036,
- .vs_ext_stop_x__vs_ext_start_y = 0x27101af,
- .vs_ext_stop_y = 0x05,
- .avid_start_stop_x = 0x03530082,
- .avid_start_stop_y = 0x0270002E,
- .fid_int_start_x__fid_int_start_y = 0x0005008A,
- .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
- .fid_ext_start_y__fid_ext_offset_y = 0x01380005,
-};
-
enum venc_videomode {
VENC_MODE_UNKNOWN,
VENC_MODE_PAL,
diff --git a/drivers/gpu/drm/omapdrm/omap_debugfs.c b/drivers/gpu/drm/omapdrm/omap_debugfs.c
index 34dfb33145b4..b57fbe8a0ac2 100644
--- a/drivers/gpu/drm/omapdrm/omap_debugfs.c
+++ b/drivers/gpu/drm/omapdrm/omap_debugfs.c
@@ -80,31 +80,16 @@ static struct drm_info_list omap_dmm_debugfs_list[] = {
{"tiler_map", tiler_map_show, 0},
};
-int omap_debugfs_init(struct drm_minor *minor)
+void omap_debugfs_init(struct drm_minor *minor)
{
- struct drm_device *dev = minor->dev;
- int ret;
-
- ret = drm_debugfs_create_files(omap_debugfs_list,
- ARRAY_SIZE(omap_debugfs_list),
- minor->debugfs_root, minor);
-
- if (ret) {
- dev_err(dev->dev, "could not install omap_debugfs_list\n");
- return ret;
- }
+ drm_debugfs_create_files(omap_debugfs_list,
+ ARRAY_SIZE(omap_debugfs_list),
+ minor->debugfs_root, minor);
if (dmm_is_available())
- ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
- ARRAY_SIZE(omap_dmm_debugfs_list),
- minor->debugfs_root, minor);
-
- if (ret) {
- dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
- return ret;
- }
-
- return ret;
+ drm_debugfs_create_files(omap_dmm_debugfs_list,
+ ARRAY_SIZE(omap_dmm_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h
index 7c4b66efcaa7..8a1fac680138 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.h
+++ b/drivers/gpu/drm/omapdrm/omap_drv.h
@@ -82,6 +82,6 @@ struct omap_drm_private {
};
-int omap_debugfs_init(struct drm_minor *minor);
+void omap_debugfs_init(struct drm_minor *minor);
#endif /* __OMAPDRM_DRV_H__ */
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index a1723c1b5fbf..39055c1f0e2f 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -18,6 +18,16 @@ config DRM_PANEL_ARM_VERSATILE
reference designs. The panel is detected using special registers
in the Versatile family syscon registers.
+config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596
+ tristate "ASUS Z00T TM5P5 NT35596 panel"
+ depends on GPIOLIB && OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y here if you want to enable support for the ASUS TMP5P5
+ NT35596 1080x1920 video mode panel as found in some Asus
+ Zenfone 2 Laser Z00T devices.
+
config DRM_PANEL_BOE_HIMAX8279D
tristate "Boe Himax8279d panel"
depends on OF
@@ -137,6 +147,17 @@ config DRM_PANEL_KINGDISPLAY_KD097D04
24 bit RGB per pixel. It provides a MIPI DSI interface to
the host and has a built-in LED backlight.
+config DRM_PANEL_LEADTEK_LTK050H3146W
+ tristate "Leadtek LTK050H3146W panel"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ depends on BACKLIGHT_CLASS_DEVICE
+ help
+ Say Y here if you want to enable support for Leadtek LTK050H3146W
+ TFT-LCD modules. The panel has a 720x1280 resolution and uses
+ 24 bit RGB per pixel. It provides a MIPI DSI interface to
+ the host and has a built-in LED backlight.
+
config DRM_PANEL_LEADTEK_LTK500HD1829
tristate "Leadtek LTK500HD1829 panel"
depends on OF
@@ -433,6 +454,14 @@ config DRM_PANEL_TRULY_NT35597_WQXGA
Say Y here if you want to enable support for Truly NT35597 WQXGA Dual DSI
Video Mode panel
+config DRM_PANEL_VISIONOX_RM69299
+ tristate "Visionox RM69299"
+ depends on OF
+ depends on DRM_MIPI_DSI
+ help
+ Say Y here if you want to enable support for Visionox
+ RM69299 DSI Video Mode panel.
+
config DRM_PANEL_XINPENG_XPP055C272
tristate "Xinpeng XPP055C272 panel driver"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 96a883cd6630..de74f282c433 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
+obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o
obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o
obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
@@ -12,6 +13,7 @@ obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o
obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o
obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o
+obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK050H3146W) += panel-leadtek-ltk050h3146w.o
obj-$(CONFIG_DRM_PANEL_LEADTEK_LTK500HD1829) += panel-leadtek-ltk500hd1829.o
obj-$(CONFIG_DRM_PANEL_LG_LB035Q02) += panel-lg-lb035q02.o
obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
@@ -46,4 +48,5 @@ obj-$(CONFIG_DRM_PANEL_TPO_TD028TTEC1) += panel-tpo-td028ttec1.o
obj-$(CONFIG_DRM_PANEL_TPO_TD043MTEA1) += panel-tpo-td043mtea1.o
obj-$(CONFIG_DRM_PANEL_TPO_TPG110) += panel-tpo-tpg110.o
obj-$(CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA) += panel-truly-nt35597.o
+obj-$(CONFIG_DRM_PANEL_VISIONOX_RM69299) += panel-visionox-rm69299.o
obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
diff --git a/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
new file mode 100644
index 000000000000..39e0f0373f3c
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-asus-z00t-tm5p5-n35596.c
@@ -0,0 +1,367 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/regulator/consumer.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+
+struct tm5p5_nt35596 {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+ struct regulator_bulk_data supplies[2];
+ struct gpio_desc *reset_gpio;
+ bool prepared;
+};
+
+static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel)
+{
+ return container_of(panel, struct tm5p5_nt35596, panel);
+}
+
+#define dsi_generic_write_seq(dsi, seq...) do { \
+ static const u8 d[] = { seq }; \
+ int ret; \
+ ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \
+ if (ret < 0) \
+ return ret; \
+ } while (0)
+
+#define dsi_dcs_write_seq(dsi, seq...) do { \
+ static const u8 d[] = { seq }; \
+ int ret; \
+ ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
+ if (ret < 0) \
+ return ret; \
+ } while (0)
+
+static void tm5p5_nt35596_reset(struct tm5p5_nt35596 *ctx)
+{
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ usleep_range(1000, 2000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ usleep_range(1000, 2000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ usleep_range(15000, 16000);
+}
+
+static int tm5p5_nt35596_on(struct tm5p5_nt35596 *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+
+ dsi_generic_write_seq(dsi, 0xff, 0x05);
+ dsi_generic_write_seq(dsi, 0xfb, 0x01);
+ dsi_generic_write_seq(dsi, 0xc5, 0x31);
+ dsi_generic_write_seq(dsi, 0xff, 0x04);
+ dsi_generic_write_seq(dsi, 0x01, 0x84);
+ dsi_generic_write_seq(dsi, 0x05, 0x25);
+ dsi_generic_write_seq(dsi, 0x06, 0x01);
+ dsi_generic_write_seq(dsi, 0x07, 0x20);
+ dsi_generic_write_seq(dsi, 0x08, 0x06);
+ dsi_generic_write_seq(dsi, 0x09, 0x08);
+ dsi_generic_write_seq(dsi, 0x0a, 0x10);
+ dsi_generic_write_seq(dsi, 0x0b, 0x10);
+ dsi_generic_write_seq(dsi, 0x0c, 0x10);
+ dsi_generic_write_seq(dsi, 0x0d, 0x14);
+ dsi_generic_write_seq(dsi, 0x0e, 0x14);
+ dsi_generic_write_seq(dsi, 0x0f, 0x14);
+ dsi_generic_write_seq(dsi, 0x10, 0x14);
+ dsi_generic_write_seq(dsi, 0x11, 0x14);
+ dsi_generic_write_seq(dsi, 0x12, 0x14);
+ dsi_generic_write_seq(dsi, 0x17, 0xf3);
+ dsi_generic_write_seq(dsi, 0x18, 0xc0);
+ dsi_generic_write_seq(dsi, 0x19, 0xc0);
+ dsi_generic_write_seq(dsi, 0x1a, 0xc0);
+ dsi_generic_write_seq(dsi, 0x1b, 0xb3);
+ dsi_generic_write_seq(dsi, 0x1c, 0xb3);
+ dsi_generic_write_seq(dsi, 0x1d, 0xb3);
+ dsi_generic_write_seq(dsi, 0x1e, 0xb3);
+ dsi_generic_write_seq(dsi, 0x1f, 0xb3);
+ dsi_generic_write_seq(dsi, 0x20, 0xb3);
+ dsi_generic_write_seq(dsi, 0xfb, 0x01);
+ dsi_generic_write_seq(dsi, 0xff, 0x00);
+ dsi_generic_write_seq(dsi, 0xfb, 0x01);
+ dsi_generic_write_seq(dsi, 0x35, 0x01);
+ dsi_generic_write_seq(dsi, 0xd3, 0x06);
+ dsi_generic_write_seq(dsi, 0xd4, 0x04);
+ dsi_generic_write_seq(dsi, 0x5e, 0x0d);
+ dsi_generic_write_seq(dsi, 0x11, 0x00);
+ msleep(100);
+ dsi_generic_write_seq(dsi, 0x29, 0x00);
+ dsi_generic_write_seq(dsi, 0x53, 0x24);
+
+ return 0;
+}
+
+static int tm5p5_nt35596_off(struct tm5p5_nt35596 *ctx)
+{
+ struct mipi_dsi_device *dsi = ctx->dsi;
+ struct device *dev = &dsi->dev;
+ int ret;
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to set display off: %d\n", ret);
+ return ret;
+ }
+ msleep(60);
+
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
+ return ret;
+ }
+
+ dsi_dcs_write_seq(dsi, 0x4f, 0x01);
+
+ return 0;
+}
+
+static int tm5p5_nt35596_prepare(struct drm_panel *panel)
+{
+ struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0) {
+ dev_err(dev, "Failed to enable regulators: %d\n", ret);
+ return ret;
+ }
+
+ tm5p5_nt35596_reset(ctx);
+
+ ret = tm5p5_nt35596_on(ctx);
+ if (ret < 0) {
+ dev_err(dev, "Failed to initialize panel: %d\n", ret);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ return ret;
+ }
+
+ ctx->prepared = true;
+ return 0;
+}
+
+static int tm5p5_nt35596_unprepare(struct drm_panel *panel)
+{
+ struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);
+ struct device *dev = &ctx->dsi->dev;
+ int ret;
+
+ if (!ctx->prepared)
+ return 0;
+
+ ret = tm5p5_nt35596_off(ctx);
+ if (ret < 0)
+ dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+
+ ctx->prepared = false;
+ return 0;
+}
+
+static const struct drm_display_mode tm5p5_nt35596_mode = {
+ .clock = (1080 + 100 + 8 + 16) * (1920 + 4 + 2 + 4) * 60 / 1000,
+ .hdisplay = 1080,
+ .hsync_start = 1080 + 100,
+ .hsync_end = 1080 + 100 + 8,
+ .htotal = 1080 + 100 + 8 + 16,
+ .vdisplay = 1920,
+ .vsync_start = 1920 + 4,
+ .vsync_end = 1920 + 4 + 2,
+ .vtotal = 1920 + 4 + 2 + 4,
+ .vrefresh = 60,
+ .width_mm = 68,
+ .height_mm = 121,
+};
+
+static int tm5p5_nt35596_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, &tm5p5_nt35596_mode);
+ if (!mode)
+ return -ENOMEM;
+
+ drm_mode_set_name(mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs tm5p5_nt35596_panel_funcs = {
+ .prepare = tm5p5_nt35596_prepare,
+ .unprepare = tm5p5_nt35596_unprepare,
+ .get_modes = tm5p5_nt35596_get_modes,
+};
+
+static int tm5p5_nt35596_bl_update_status(struct backlight_device *bl)
+{
+ struct mipi_dsi_device *dsi = bl_get_data(bl);
+ u16 brightness = bl->props.brightness;
+ int ret;
+
+ if (bl->props.power != FB_BLANK_UNBLANK ||
+ bl->props.fb_blank != FB_BLANK_UNBLANK ||
+ bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
+ brightness = 0;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
+ if (ret < 0)
+ return ret;
+
+ dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ return 0;
+}
+
+static int tm5p5_nt35596_bl_get_brightness(struct backlight_device *bl)
+{
+ struct mipi_dsi_device *dsi = bl_get_data(bl);
+ u16 brightness = bl->props.brightness;
+ int ret;
+
+ dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);
+ if (ret < 0)
+ return ret;
+
+ dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ return brightness & 0xff;
+}
+
+static const struct backlight_ops tm5p5_nt35596_bl_ops = {
+ .update_status = tm5p5_nt35596_bl_update_status,
+ .get_brightness = tm5p5_nt35596_bl_get_brightness,
+};
+
+static struct backlight_device *
+tm5p5_nt35596_create_backlight(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ const struct backlight_properties props = {
+ .type = BACKLIGHT_RAW,
+ .brightness = 255,
+ .max_brightness = 255,
+ };
+
+ return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
+ &tm5p5_nt35596_bl_ops, &props);
+}
+
+static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct tm5p5_nt35596 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->supplies[0].supply = "vdd";
+ ctx->supplies[1].supply = "vddio";
+ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0) {
+ dev_err(dev, "Failed to get regulators: %d\n", ret);
+ return ret;
+ }
+
+ ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ ret = PTR_ERR(ctx->reset_gpio);
+ dev_err(dev, "Failed to get reset-gpios: %d\n", ret);
+ return ret;
+ }
+
+ ctx->dsi = dsi;
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_EOT_PACKET |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
+
+ drm_panel_init(&ctx->panel, dev, &tm5p5_nt35596_panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+
+ ctx->panel.backlight = tm5p5_nt35596_create_backlight(dsi);
+ if (IS_ERR(ctx->panel.backlight)) {
+ ret = PTR_ERR(ctx->panel.backlight);
+ dev_err(dev, "Failed to create backlight: %d\n", ret);
+ return ret;
+ }
+
+ ret = drm_panel_add(&ctx->panel);
+ if (ret < 0) {
+ dev_err(dev, "Failed to add panel: %d\n", ret);
+ return ret;
+ }
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int tm5p5_nt35596_remove(struct mipi_dsi_device *dsi)
+{
+ struct tm5p5_nt35596 *ctx = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = mipi_dsi_detach(dsi);
+ if (ret < 0)
+ dev_err(&dsi->dev,
+ "Failed to detach from DSI host: %d\n", ret);
+
+ drm_panel_remove(&ctx->panel);
+
+ return 0;
+}
+
+static const struct of_device_id tm5p5_nt35596_of_match[] = {
+ { .compatible = "asus,z00t-tm5p5-n35596" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, tm5p5_nt35596_of_match);
+
+static struct mipi_dsi_driver tm5p5_nt35596_driver = {
+ .probe = tm5p5_nt35596_probe,
+ .remove = tm5p5_nt35596_remove,
+ .driver = {
+ .name = "panel-tm5p5-nt35596",
+ .of_match_table = tm5p5_nt35596_of_match,
+ },
+};
+module_mipi_dsi_driver(tm5p5_nt35596_driver);
+
+MODULE_AUTHOR("Konrad Dybcio <konradybcio@gmail.com>");
+MODULE_DESCRIPTION("DRM driver for tm5p5 nt35596 1080p video mode dsi panel");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index 48a164257d18..46fe1805c588 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -696,6 +696,34 @@ static const struct panel_desc auo_b101uan08_3_desc = {
.init_cmds = auo_b101uan08_3_init_cmd,
};
+static const struct drm_display_mode boe_tv105wum_nw0_default_mode = {
+ .clock = 159916,
+ .hdisplay = 1200,
+ .hsync_start = 1200 + 80,
+ .hsync_end = 1200 + 80 + 24,
+ .htotal = 1200 + 80 + 24 + 60,
+ .vdisplay = 1920,
+ .vsync_start = 1920 + 20,
+ .vsync_end = 1920 + 20 + 4,
+ .vtotal = 1920 + 20 + 4 + 10,
+ .vrefresh = 60,
+ .type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
+};
+
+static const struct panel_desc boe_tv105wum_nw0_desc = {
+ .modes = &boe_tv105wum_nw0_default_mode,
+ .bpc = 8,
+ .size = {
+ .width_mm = 141,
+ .height_mm = 226,
+ },
+ .lanes = 4,
+ .format = MIPI_DSI_FMT_RGB888,
+ .mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_MODE_LPM,
+ .init_cmds = boe_init_cmd,
+};
+
static int boe_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
@@ -834,6 +862,9 @@ static const struct of_device_id boe_of_match[] = {
{ .compatible = "auo,b101uan08.3",
.data = &auo_b101uan08_3_desc
},
+ { .compatible = "boe,tv105wum-nw0",
+ .data = &boe_tv105wum_nw0_desc
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, boe_of_match);
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
index 09935520e606..873b1c7059bd 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9322.c
@@ -379,7 +379,7 @@ static int ili9322_init(struct drm_panel *panel, struct ili9322 *ili)
"can't set up VCOM amplitude (%d)\n", ret);
return ret;
}
- };
+ }
if (ili->vcom_high != U8_MAX) {
ret = regmap_write(ili->regmap, ILI9322_VCOM_HIGH,
@@ -388,7 +388,7 @@ static int ili9322_init(struct drm_panel *panel, struct ili9322 *ili)
dev_err(ili->dev, "can't set up VCOM high (%d)\n", ret);
return ret;
}
- };
+ }
/* Set up gamma correction */
for (i = 0; i < ARRAY_SIZE(ili->gamma); i++) {
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
new file mode 100644
index 000000000000..5a7a31c8513e
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c
@@ -0,0 +1,691 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Theobroma Systems Design und Consulting GmbH
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/media-bus-format.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/display_timing.h>
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_print.h>
+
+struct ltk050h3146w_cmd {
+ char cmd;
+ char data;
+};
+
+struct ltk050h3146w;
+struct ltk050h3146w_desc {
+ const struct drm_display_mode *mode;
+ int (*init)(struct ltk050h3146w *ctx);
+};
+
+struct ltk050h3146w {
+ struct device *dev;
+ struct drm_panel panel;
+ struct gpio_desc *reset_gpio;
+ struct regulator *vci;
+ struct regulator *iovcc;
+ const struct ltk050h3146w_desc *panel_desc;
+ bool prepared;
+};
+
+static const struct ltk050h3146w_cmd page1_cmds[] = {
+ { 0x22, 0x0A }, /* BGR SS GS */
+ { 0x31, 0x00 }, /* column inversion */
+ { 0x53, 0xA2 }, /* VCOM1 */
+ { 0x55, 0xA2 }, /* VCOM2 */
+ { 0x50, 0x81 }, /* VREG1OUT=5V */
+ { 0x51, 0x85 }, /* VREG2OUT=-5V */
+ { 0x62, 0x0D }, /* EQT Time setting */
+/*
+ * The vendor init selected page 1 here _again_
+ * Is this supposed to be page 2?
+ */
+ { 0xA0, 0x00 },
+ { 0xA1, 0x1A },
+ { 0xA2, 0x28 },
+ { 0xA3, 0x13 },
+ { 0xA4, 0x16 },
+ { 0xA5, 0x29 },
+ { 0xA6, 0x1D },
+ { 0xA7, 0x1E },
+ { 0xA8, 0x84 },
+ { 0xA9, 0x1C },
+ { 0xAA, 0x28 },
+ { 0xAB, 0x75 },
+ { 0xAC, 0x1A },
+ { 0xAD, 0x19 },
+ { 0xAE, 0x4D },
+ { 0xAF, 0x22 },
+ { 0xB0, 0x28 },
+ { 0xB1, 0x54 },
+ { 0xB2, 0x66 },
+ { 0xB3, 0x39 },
+ { 0xC0, 0x00 },
+ { 0xC1, 0x1A },
+ { 0xC2, 0x28 },
+ { 0xC3, 0x13 },
+ { 0xC4, 0x16 },
+ { 0xC5, 0x29 },
+ { 0xC6, 0x1D },
+ { 0xC7, 0x1E },
+ { 0xC8, 0x84 },
+ { 0xC9, 0x1C },
+ { 0xCA, 0x28 },
+ { 0xCB, 0x75 },
+ { 0xCC, 0x1A },
+ { 0xCD, 0x19 },
+ { 0xCE, 0x4D },
+ { 0xCF, 0x22 },
+ { 0xD0, 0x28 },
+ { 0xD1, 0x54 },
+ { 0xD2, 0x66 },
+ { 0xD3, 0x39 },
+};
+
+static const struct ltk050h3146w_cmd page3_cmds[] = {
+ { 0x01, 0x00 },
+ { 0x02, 0x00 },
+ { 0x03, 0x73 },
+ { 0x04, 0x00 },
+ { 0x05, 0x00 },
+ { 0x06, 0x0a },
+ { 0x07, 0x00 },
+ { 0x08, 0x00 },
+ { 0x09, 0x01 },
+ { 0x0a, 0x00 },
+ { 0x0b, 0x00 },
+ { 0x0c, 0x01 },
+ { 0x0d, 0x00 },
+ { 0x0e, 0x00 },
+ { 0x0f, 0x1d },
+ { 0x10, 0x1d },
+ { 0x11, 0x00 },
+ { 0x12, 0x00 },
+ { 0x13, 0x00 },
+ { 0x14, 0x00 },
+ { 0x15, 0x00 },
+ { 0x16, 0x00 },
+ { 0x17, 0x00 },
+ { 0x18, 0x00 },
+ { 0x19, 0x00 },
+ { 0x1a, 0x00 },
+ { 0x1b, 0x00 },
+ { 0x1c, 0x00 },
+ { 0x1d, 0x00 },
+ { 0x1e, 0x40 },
+ { 0x1f, 0x80 },
+ { 0x20, 0x06 },
+ { 0x21, 0x02 },
+ { 0x22, 0x00 },
+ { 0x23, 0x00 },
+ { 0x24, 0x00 },
+ { 0x25, 0x00 },
+ { 0x26, 0x00 },
+ { 0x27, 0x00 },
+ { 0x28, 0x33 },
+ { 0x29, 0x03 },
+ { 0x2a, 0x00 },
+ { 0x2b, 0x00 },
+ { 0x2c, 0x00 },
+ { 0x2d, 0x00 },
+ { 0x2e, 0x00 },
+ { 0x2f, 0x00 },
+ { 0x30, 0x00 },
+ { 0x31, 0x00 },
+ { 0x32, 0x00 },
+ { 0x33, 0x00 },
+ { 0x34, 0x04 },
+ { 0x35, 0x00 },
+ { 0x36, 0x00 },
+ { 0x37, 0x00 },
+ { 0x38, 0x3C },
+ { 0x39, 0x35 },
+ { 0x3A, 0x01 },
+ { 0x3B, 0x40 },
+ { 0x3C, 0x00 },
+ { 0x3D, 0x01 },
+ { 0x3E, 0x00 },
+ { 0x3F, 0x00 },
+ { 0x40, 0x00 },
+ { 0x41, 0x88 },
+ { 0x42, 0x00 },
+ { 0x43, 0x00 },
+ { 0x44, 0x1F },
+ { 0x50, 0x01 },
+ { 0x51, 0x23 },
+ { 0x52, 0x45 },
+ { 0x53, 0x67 },
+ { 0x54, 0x89 },
+ { 0x55, 0xab },
+ { 0x56, 0x01 },
+ { 0x57, 0x23 },
+ { 0x58, 0x45 },
+ { 0x59, 0x67 },
+ { 0x5a, 0x89 },
+ { 0x5b, 0xab },
+ { 0x5c, 0xcd },
+ { 0x5d, 0xef },
+ { 0x5e, 0x11 },
+ { 0x5f, 0x01 },
+ { 0x60, 0x00 },
+ { 0x61, 0x15 },
+ { 0x62, 0x14 },
+ { 0x63, 0x0E },
+ { 0x64, 0x0F },
+ { 0x65, 0x0C },
+ { 0x66, 0x0D },
+ { 0x67, 0x06 },
+ { 0x68, 0x02 },
+ { 0x69, 0x07 },
+ { 0x6a, 0x02 },
+ { 0x6b, 0x02 },
+ { 0x6c, 0x02 },
+ { 0x6d, 0x02 },
+ { 0x6e, 0x02 },
+ { 0x6f, 0x02 },
+ { 0x70, 0x02 },
+ { 0x71, 0x02 },
+ { 0x72, 0x02 },
+ { 0x73, 0x02 },
+ { 0x74, 0x02 },
+ { 0x75, 0x01 },
+ { 0x76, 0x00 },
+ { 0x77, 0x14 },
+ { 0x78, 0x15 },
+ { 0x79, 0x0E },
+ { 0x7a, 0x0F },
+ { 0x7b, 0x0C },
+ { 0x7c, 0x0D },
+ { 0x7d, 0x06 },
+ { 0x7e, 0x02 },
+ { 0x7f, 0x07 },
+ { 0x80, 0x02 },
+ { 0x81, 0x02 },
+ { 0x82, 0x02 },
+ { 0x83, 0x02 },
+ { 0x84, 0x02 },
+ { 0x85, 0x02 },
+ { 0x86, 0x02 },
+ { 0x87, 0x02 },
+ { 0x88, 0x02 },
+ { 0x89, 0x02 },
+ { 0x8A, 0x02 },
+};
+
+static const struct ltk050h3146w_cmd page4_cmds[] = {
+ { 0x70, 0x00 },
+ { 0x71, 0x00 },
+ { 0x82, 0x0F }, /* VGH_MOD clamp level=15v */
+ { 0x84, 0x0F }, /* VGH clamp level 15V */
+ { 0x85, 0x0D }, /* VGL clamp level (-10V) */
+ { 0x32, 0xAC },
+ { 0x8C, 0x80 },
+ { 0x3C, 0xF5 },
+ { 0xB5, 0x07 }, /* GAMMA OP */
+ { 0x31, 0x45 }, /* SOURCE OP */
+ { 0x3A, 0x24 }, /* PS_EN OFF */
+ { 0x88, 0x33 }, /* LVD */
+};
+
+static inline
+struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel)
+{
+ return container_of(panel, struct ltk050h3146w, panel);
+}
+
+#define dsi_dcs_write_seq(dsi, cmd, seq...) do { \
+ static const u8 d[] = { seq }; \
+ int ret; \
+ ret = mipi_dsi_dcs_write(dsi, cmd, d, ARRAY_SIZE(d)); \
+ if (ret < 0) \
+ return ret; \
+ } while (0)
+
+static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ /*
+ * Init sequence was supplied by the panel vendor without much
+ * documentation.
+ */
+ dsi_dcs_write_seq(dsi, 0xdf, 0x93, 0x65, 0xf8);
+ dsi_dcs_write_seq(dsi, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06,
+ 0x01);
+ dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0xb5);
+ dsi_dcs_write_seq(dsi, 0xb3, 0x00, 0xb5);
+ dsi_dcs_write_seq(dsi, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00);
+
+ dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xc4, 0x23, 0x07);
+ dsi_dcs_write_seq(dsi, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f,
+ 0x28, 0x04, 0xcc, 0xcc, 0xcc);
+ dsi_dcs_write_seq(dsi, 0xbc, 0x0f, 0x04);
+ dsi_dcs_write_seq(dsi, 0xbe, 0x1e, 0xf2);
+ dsi_dcs_write_seq(dsi, 0xc0, 0x26, 0x03);
+ dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x12);
+ dsi_dcs_write_seq(dsi, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80,
+ 0x80);
+ dsi_dcs_write_seq(dsi, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f,
+ 0x16, 0x00, 0x00);
+ dsi_dcs_write_seq(dsi, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50,
+ 0x56, 0x41, 0x59, 0x57, 0x55, 0x70, 0x5b, 0x5f,
+ 0x4f, 0x47, 0x38, 0x23, 0x08, 0x7f, 0x72, 0x67,
+ 0x5d, 0x5d, 0x50, 0x56, 0x41, 0x59, 0x57, 0x55,
+ 0x70, 0x5b, 0x5f, 0x4f, 0x47, 0x38, 0x23, 0x08);
+ dsi_dcs_write_seq(dsi, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a,
+ 0x44, 0x46, 0x40, 0x1f, 0x42, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ dsi_dcs_write_seq(dsi, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b,
+ 0x45, 0x47, 0x41, 0x1f, 0x43, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ dsi_dcs_write_seq(dsi, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05,
+ 0x0b, 0x09, 0x03, 0x1f, 0x01, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ dsi_dcs_write_seq(dsi, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04,
+ 0x0a, 0x08, 0x02, 0x1f, 0x00, 0x1f, 0x1f, 0x1f,
+ 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
+ dsi_dcs_write_seq(dsi, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20,
+ 0x01, 0x02, 0x00, 0x60, 0x15, 0xb0, 0x30, 0x03,
+ 0x04, 0x00, 0x60, 0x72, 0x0a, 0x00, 0x60, 0x08);
+ dsi_dcs_write_seq(dsi, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0xbc, 0x50, 0x00, 0x05,
+ 0x21, 0x00, 0x60);
+ dsi_dcs_write_seq(dsi, 0xdd, 0x2c, 0xa3, 0x00);
+ dsi_dcs_write_seq(dsi, 0xde, 0x02);
+ dsi_dcs_write_seq(dsi, 0xb2, 0x32, 0x1c);
+ dsi_dcs_write_seq(dsi, 0xb7, 0x3b, 0x70, 0x00, 0x04);
+ dsi_dcs_write_seq(dsi, 0xc1, 0x11);
+ dsi_dcs_write_seq(dsi, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37);
+ dsi_dcs_write_seq(dsi, 0xc2, 0x20, 0x38, 0x1e, 0x84);
+ dsi_dcs_write_seq(dsi, 0xde, 0x00);
+
+ ret = mipi_dsi_dcs_set_tear_on(dsi, 1);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n",
+ ret);
+ return ret;
+ }
+
+ msleep(60);
+
+ return 0;
+}
+
+static const struct drm_display_mode ltk050h3146w_mode = {
+ .hdisplay = 720,
+ .hsync_start = 720 + 42,
+ .hsync_end = 720 + 42 + 8,
+ .htotal = 720 + 42 + 8 + 42,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 12,
+ .vsync_end = 1280 + 12 + 4,
+ .vtotal = 1280 + 12 + 4 + 18,
+ .clock = 64018,
+ .width_mm = 62,
+ .height_mm = 110,
+};
+
+static const struct ltk050h3146w_desc ltk050h3146w_data = {
+ .mode = &ltk050h3146w_mode,
+ .init = ltk050h3146w_init_sequence,
+};
+
+static int ltk050h3146w_a2_select_page(struct ltk050h3146w *ctx, int page)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ u8 d[3] = { 0x98, 0x81, page };
+
+ return mipi_dsi_dcs_write(dsi, 0xff, d, ARRAY_SIZE(d));
+}
+
+static int ltk050h3146w_a2_write_page(struct ltk050h3146w *ctx, int page,
+ const struct ltk050h3146w_cmd *cmds,
+ int num)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int i, ret;
+
+ ret = ltk050h3146w_a2_select_page(ctx, page);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to select page %d: %d\n",
+ page, ret);
+ return ret;
+ }
+
+ for (i = 0; i < num; i++) {
+ ret = mipi_dsi_generic_write(dsi, &cmds[i],
+ sizeof(struct ltk050h3146w_cmd));
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev,
+ "failed to write page %d init cmds: %d\n",
+ page, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int ltk050h3146w_a2_init_sequence(struct ltk050h3146w *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ /*
+ * Init sequence was supplied by the panel vendor without much
+ * documentation.
+ */
+ ret = ltk050h3146w_a2_write_page(ctx, 3, page3_cmds,
+ ARRAY_SIZE(page3_cmds));
+ if (ret < 0)
+ return ret;
+
+ ret = ltk050h3146w_a2_write_page(ctx, 4, page4_cmds,
+ ARRAY_SIZE(page4_cmds));
+ if (ret < 0)
+ return ret;
+
+ ret = ltk050h3146w_a2_write_page(ctx, 1, page1_cmds,
+ ARRAY_SIZE(page1_cmds));
+ if (ret < 0)
+ return ret;
+
+ ret = ltk050h3146w_a2_select_page(ctx, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to select page 0: %d\n", ret);
+ return ret;
+ }
+
+ /* vendor code called this without param, where there should be one */
+ ret = mipi_dsi_dcs_set_tear_on(dsi, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to set tear on: %d\n",
+ ret);
+ return ret;
+ }
+
+ msleep(60);
+
+ return 0;
+}
+
+static const struct drm_display_mode ltk050h3146w_a2_mode = {
+ .hdisplay = 720,
+ .hsync_start = 720 + 42,
+ .hsync_end = 720 + 42 + 10,
+ .htotal = 720 + 42 + 10 + 60,
+ .vdisplay = 1280,
+ .vsync_start = 1280 + 18,
+ .vsync_end = 1280 + 18 + 4,
+ .vtotal = 1280 + 18 + 4 + 12,
+ .clock = 65595,
+ .width_mm = 62,
+ .height_mm = 110,
+};
+
+static const struct ltk050h3146w_desc ltk050h3146w_a2_data = {
+ .mode = &ltk050h3146w_a2_mode,
+ .init = ltk050h3146w_a2_init_sequence,
+};
+
+static int ltk050h3146w_unprepare(struct drm_panel *panel)
+{
+ struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (!ctx->prepared)
+ return 0;
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to set display off: %d\n",
+ ret);
+ return ret;
+ }
+
+ mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "failed to enter sleep mode: %d\n",
+ ret);
+ return ret;
+ }
+
+ regulator_disable(ctx->iovcc);
+ regulator_disable(ctx->vci);
+
+ ctx->prepared = false;
+
+ return 0;
+}
+
+static int ltk050h3146w_prepare(struct drm_panel *panel)
+{
+ struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ DRM_DEV_DEBUG_DRIVER(ctx->dev, "Resetting the panel\n");
+ ret = regulator_enable(ctx->vci);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to enable vci supply: %d\n", ret);
+ return ret;
+ }
+ ret = regulator_enable(ctx->iovcc);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev,
+ "Failed to enable iovcc supply: %d\n", ret);
+ goto disable_vci;
+ }
+
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+ usleep_range(5000, 6000);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 0);
+ msleep(20);
+
+ ret = ctx->panel_desc->init(ctx);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "Panel init sequence failed: %d\n",
+ ret);
+ goto disable_iovcc;
+ }
+
+ ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "Failed to exit sleep mode: %d\n", ret);
+ goto disable_iovcc;
+ }
+
+ /* T9: 120ms */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_set_display_on(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->dev, "Failed to set display on: %d\n", ret);
+ goto disable_iovcc;
+ }
+
+ msleep(50);
+
+ ctx->prepared = true;
+
+ return 0;
+
+disable_iovcc:
+ regulator_disable(ctx->iovcc);
+disable_vci:
+ regulator_disable(ctx->vci);
+ return ret;
+}
+
+static int ltk050h3146w_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode);
+ if (!mode)
+ return -ENOMEM;
+
+ drm_mode_set_name(mode);
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs ltk050h3146w_funcs = {
+ .unprepare = ltk050h3146w_unprepare,
+ .prepare = ltk050h3146w_prepare,
+ .get_modes = ltk050h3146w_get_modes,
+};
+
+static int ltk050h3146w_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct ltk050h3146w *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->panel_desc = of_device_get_match_data(dev);
+ if (!ctx->panel_desc)
+ return -EINVAL;
+
+ ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ DRM_DEV_ERROR(dev, "cannot get reset gpio\n");
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ ctx->vci = devm_regulator_get(dev, "vci");
+ if (IS_ERR(ctx->vci)) {
+ ret = PTR_ERR(ctx->vci);
+ if (ret != -EPROBE_DEFER)
+ DRM_DEV_ERROR(dev,
+ "Failed to request vci regulator: %d\n",
+ ret);
+ return ret;
+ }
+
+ ctx->iovcc = devm_regulator_get(dev, "iovcc");
+ if (IS_ERR(ctx->iovcc)) {
+ ret = PTR_ERR(ctx->iovcc);
+ if (ret != -EPROBE_DEFER)
+ DRM_DEV_ERROR(dev,
+ "Failed to request iovcc regulator: %d\n",
+ ret);
+ return ret;
+ }
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ ctx->dev = dev;
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET;
+
+ drm_panel_init(&ctx->panel, &dsi->dev, &ltk050h3146w_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+
+ ret = drm_panel_of_backlight(&ctx->panel);
+ if (ret)
+ return ret;
+
+ drm_panel_add(&ctx->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "mipi_dsi_attach failed: %d\n", ret);
+ drm_panel_remove(&ctx->panel);
+ return ret;
+ }
+
+ return 0;
+}
+
+static void ltk050h3146w_shutdown(struct mipi_dsi_device *dsi)
+{
+ struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = drm_panel_unprepare(&ctx->panel);
+ if (ret < 0)
+ DRM_DEV_ERROR(&dsi->dev, "Failed to unprepare panel: %d\n",
+ ret);
+
+ ret = drm_panel_disable(&ctx->panel);
+ if (ret < 0)
+ DRM_DEV_ERROR(&dsi->dev, "Failed to disable panel: %d\n",
+ ret);
+}
+
+static int ltk050h3146w_remove(struct mipi_dsi_device *dsi)
+{
+ struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ltk050h3146w_shutdown(dsi);
+
+ ret = mipi_dsi_detach(dsi);
+ if (ret < 0)
+ DRM_DEV_ERROR(&dsi->dev, "Failed to detach from DSI host: %d\n",
+ ret);
+
+ drm_panel_remove(&ctx->panel);
+
+ return 0;
+}
+
+static const struct of_device_id ltk050h3146w_of_match[] = {
+ {
+ .compatible = "leadtek,ltk050h3146w",
+ .data = &ltk050h3146w_data,
+ },
+ {
+ .compatible = "leadtek,ltk050h3146w-a2",
+ .data = &ltk050h3146w_a2_data,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ltk050h3146w_of_match);
+
+static struct mipi_dsi_driver ltk050h3146w_driver = {
+ .driver = {
+ .name = "panel-leadtek-ltk050h3146w",
+ .of_match_table = ltk050h3146w_of_match,
+ },
+ .probe = ltk050h3146w_probe,
+ .remove = ltk050h3146w_remove,
+ .shutdown = ltk050h3146w_shutdown,
+};
+module_mipi_dsi_driver(ltk050h3146w_driver);
+
+MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>");
+MODULE_DESCRIPTION("DRM driver for Leadtek LTK050H3146W MIPI DSI panel");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
index 76ecf2de9c44..113ab9c0396b 100644
--- a/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
+++ b/drivers/gpu/drm/panel/panel-leadtek-ltk500hd1829.c
@@ -377,7 +377,7 @@ static const struct drm_display_mode default_mode = {
.vsync_end = 1280 + 30 + 4,
.vtotal = 1280 + 30 + 4 + 12,
.vrefresh = 60,
- .clock = 41600,
+ .clock = 69217,
.width_mm = 62,
.height_mm = 110,
};
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt39016.c b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
index a470810f7dbe..05cae8d62d56 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt39016.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt39016.c
@@ -49,7 +49,8 @@ enum nt39016_regs {
#define NT39016_SYSTEM_STANDBY BIT(1)
struct nt39016_panel_info {
- struct drm_display_mode display_mode;
+ const struct drm_display_mode *display_modes;
+ unsigned int num_modes;
u16 width_mm, height_mm;
u32 bus_format, bus_flags;
};
@@ -212,15 +213,22 @@ static int nt39016_get_modes(struct drm_panel *drm_panel,
struct nt39016 *panel = to_nt39016(drm_panel);
const struct nt39016_panel_info *panel_info = panel->panel_info;
struct drm_display_mode *mode;
+ unsigned int i;
- mode = drm_mode_duplicate(connector->dev, &panel_info->display_mode);
- if (!mode)
- return -ENOMEM;
+ for (i = 0; i < panel_info->num_modes; i++) {
+ mode = drm_mode_duplicate(connector->dev,
+ &panel_info->display_modes[i]);
+ if (!mode)
+ return -ENOMEM;
+
+ drm_mode_set_name(mode);
- drm_mode_set_name(mode);
+ mode->type = DRM_MODE_TYPE_DRIVER;
+ if (panel_info->num_modes == 1)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
- mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
- drm_mode_probed_add(connector, mode);
+ drm_mode_probed_add(connector, mode);
+ }
connector->display_info.bpc = 8;
connector->display_info.width_mm = panel_info->width_mm;
@@ -230,7 +238,7 @@ static int nt39016_get_modes(struct drm_panel *drm_panel,
&panel_info->bus_format, 1);
connector->display_info.bus_flags = panel_info->bus_flags;
- return 1;
+ return panel_info->num_modes;
}
static const struct drm_panel_funcs nt39016_funcs = {
@@ -316,8 +324,8 @@ static int nt39016_remove(struct spi_device *spi)
return 0;
}
-static const struct nt39016_panel_info kd035g6_info = {
- .display_mode = {
+static const struct drm_display_mode kd035g6_display_modes[] = {
+ { /* 60 Hz */
.clock = 6000,
.hdisplay = 320,
.hsync_start = 320 + 10,
@@ -330,6 +338,24 @@ static const struct nt39016_panel_info kd035g6_info = {
.vrefresh = 60,
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
},
+ { /* 50 Hz */
+ .clock = 5400,
+ .hdisplay = 320,
+ .hsync_start = 320 + 42,
+ .hsync_end = 320 + 42 + 50,
+ .htotal = 320 + 42 + 50 + 20,
+ .vdisplay = 240,
+ .vsync_start = 240 + 5,
+ .vsync_end = 240 + 5 + 1,
+ .vtotal = 240 + 5 + 1 + 4,
+ .vrefresh = 50,
+ .flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
+ },
+};
+
+static const struct nt39016_panel_info kd035g6_info = {
+ .display_modes = kd035g6_display_modes,
+ .num_modes = ARRAY_SIZE(kd035g6_display_modes),
.width_mm = 71,
.height_mm = 53,
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 3ad828eaefe1..b6ecd1552132 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -23,6 +23,7 @@
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
+#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
@@ -108,6 +109,7 @@ struct panel_simple {
struct i2c_adapter *ddc;
struct gpio_desc *enable_gpio;
+ struct gpio_desc *hpd_gpio;
struct drm_display_mode override_mode;
};
@@ -259,11 +261,37 @@ static int panel_simple_unprepare(struct drm_panel *panel)
return 0;
}
+static int panel_simple_get_hpd_gpio(struct device *dev,
+ struct panel_simple *p, bool from_probe)
+{
+ int err;
+
+ p->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN);
+ if (IS_ERR(p->hpd_gpio)) {
+ err = PTR_ERR(p->hpd_gpio);
+
+ /*
+ * If we're called from probe we won't consider '-EPROBE_DEFER'
+ * to be an error--we'll leave the error code in "hpd_gpio".
+ * When we try to use it we'll try again. This allows for
+ * circular dependencies where the component providing the
+ * hpd gpio needs the panel to init before probing.
+ */
+ if (err != -EPROBE_DEFER || !from_probe) {
+ dev_err(dev, "failed to get 'hpd' GPIO: %d\n", err);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
static int panel_simple_prepare(struct drm_panel *panel)
{
struct panel_simple *p = to_panel_simple(panel);
unsigned int delay;
int err;
+ int hpd_asserted;
if (p->prepared)
return 0;
@@ -282,6 +310,26 @@ static int panel_simple_prepare(struct drm_panel *panel)
if (delay)
msleep(delay);
+ if (p->hpd_gpio) {
+ if (IS_ERR(p->hpd_gpio)) {
+ err = panel_simple_get_hpd_gpio(panel->dev, p, false);
+ if (err)
+ return err;
+ }
+
+ err = readx_poll_timeout(gpiod_get_value_cansleep, p->hpd_gpio,
+ hpd_asserted, hpd_asserted,
+ 1000, 2000000);
+ if (hpd_asserted < 0)
+ err = hpd_asserted;
+
+ if (err) {
+ dev_err(panel->dev,
+ "error waiting for hpd GPIO: %d\n", err);
+ return err;
+ }
+ }
+
p->prepared = true;
return 0;
@@ -462,6 +510,11 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
panel->desc = desc;
panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd");
+ if (!panel->no_hpd) {
+ err = panel_simple_get_hpd_gpio(dev, panel, true);
+ if (err)
+ return err;
+ }
panel->supply = devm_regulator_get(dev, "power");
if (IS_ERR(panel->supply))
@@ -836,7 +889,8 @@ static const struct panel_desc auo_g101evn010 = {
.width = 216,
.height = 135,
},
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X7X3_SPWG,
+ .connector_type = DRM_MODE_CONNECTOR_LVDS,
};
static const struct drm_display_mode auo_g104sn02_mode = {
@@ -862,6 +916,31 @@ static const struct panel_desc auo_g104sn02 = {
},
};
+static const struct drm_display_mode auo_g121ean01_mode = {
+ .clock = 66700,
+ .hdisplay = 1280,
+ .hsync_start = 1280 + 58,
+ .hsync_end = 1280 + 58 + 8,
+ .htotal = 1280 + 58 + 8 + 70,
+ .vdisplay = 800,
+ .vsync_start = 800 + 6,
+ .vsync_end = 800 + 6 + 4,
+ .vtotal = 800 + 6 + 4 + 10,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc auo_g121ean01 = {
+ .modes = &auo_g121ean01_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 261,
+ .height = 163,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+ .connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
static const struct display_timing auo_g133han01_timings = {
.pixelclock = { 134000000, 141200000, 149000000 },
.hactive = { 1920, 1920, 1920 },
@@ -892,6 +971,31 @@ static const struct panel_desc auo_g133han01 = {
.connector_type = DRM_MODE_CONNECTOR_LVDS,
};
+static const struct drm_display_mode auo_g156xtn01_mode = {
+ .clock = 76000,
+ .hdisplay = 1366,
+ .hsync_start = 1366 + 33,
+ .hsync_end = 1366 + 33 + 67,
+ .htotal = 1560,
+ .vdisplay = 768,
+ .vsync_start = 768 + 4,
+ .vsync_end = 768 + 4 + 4,
+ .vtotal = 806,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc auo_g156xtn01 = {
+ .modes = &auo_g156xtn01_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 344,
+ .height = 194,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+ .connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
static const struct display_timing auo_g185han01_timings = {
.pixelclock = { 120000000, 144000000, 175000000 },
.hactive = { 1920, 1920, 1920 },
@@ -922,6 +1026,36 @@ static const struct panel_desc auo_g185han01 = {
.connector_type = DRM_MODE_CONNECTOR_LVDS,
};
+static const struct display_timing auo_g190ean01_timings = {
+ .pixelclock = { 90000000, 108000000, 135000000 },
+ .hactive = { 1280, 1280, 1280 },
+ .hfront_porch = { 126, 184, 1266 },
+ .hback_porch = { 84, 122, 844 },
+ .hsync_len = { 70, 102, 704 },
+ .vactive = { 1024, 1024, 1024 },
+ .vfront_porch = { 4, 26, 76 },
+ .vback_porch = { 2, 8, 25 },
+ .vsync_len = { 2, 8, 25 },
+};
+
+static const struct panel_desc auo_g190ean01 = {
+ .timings = &auo_g190ean01_timings,
+ .num_timings = 1,
+ .bpc = 8,
+ .size = {
+ .width = 376,
+ .height = 301,
+ },
+ .delay = {
+ .prepare = 50,
+ .enable = 200,
+ .disable = 110,
+ .unprepare = 1000,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
+ .connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
static const struct display_timing auo_p320hvn03_timings = {
.pixelclock = { 106000000, 148500000, 164000000 },
.hactive = { 1920, 1920, 1920 },
@@ -1092,6 +1226,38 @@ static const struct panel_desc boe_nv101wxmn51 = {
},
};
+/* Also used for boe_nv133fhm_n62 */
+static const struct drm_display_mode boe_nv133fhm_n61_modes = {
+ .clock = 147840,
+ .hdisplay = 1920,
+ .hsync_start = 1920 + 48,
+ .hsync_end = 1920 + 48 + 32,
+ .htotal = 1920 + 48 + 32 + 200,
+ .vdisplay = 1080,
+ .vsync_start = 1080 + 3,
+ .vsync_end = 1080 + 3 + 6,
+ .vtotal = 1080 + 3 + 6 + 31,
+ .vrefresh = 60,
+};
+
+/* Also used for boe_nv133fhm_n62 */
+static const struct panel_desc boe_nv133fhm_n61 = {
+ .modes = &boe_nv133fhm_n61_modes,
+ .num_modes = 1,
+ .bpc = 6,
+ .size = {
+ .width = 294,
+ .height = 165,
+ },
+ .delay = {
+ .hpd_absent_delay = 200,
+ .unprepare = 500,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
+ .connector_type = DRM_MODE_CONNECTOR_eDP,
+};
+
static const struct drm_display_mode boe_nv140fhmn49_modes[] = {
{
.clock = 148500,
@@ -1980,6 +2146,37 @@ static const struct panel_desc innolux_zj070na_01p = {
},
};
+static const struct drm_display_mode ivo_m133nwf4_r0_mode = {
+ .clock = 138778,
+ .hdisplay = 1920,
+ .hsync_start = 1920 + 24,
+ .hsync_end = 1920 + 24 + 48,
+ .htotal = 1920 + 24 + 48 + 88,
+ .vdisplay = 1080,
+ .vsync_start = 1080 + 3,
+ .vsync_end = 1080 + 3 + 12,
+ .vtotal = 1080 + 3 + 12 + 17,
+ .vrefresh = 60,
+ .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
+};
+
+static const struct panel_desc ivo_m133nwf4_r0 = {
+ .modes = &ivo_m133nwf4_r0_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 294,
+ .height = 165,
+ },
+ .delay = {
+ .hpd_absent_delay = 200,
+ .unprepare = 500,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
+ .connector_type = DRM_MODE_CONNECTOR_eDP,
+};
+
static const struct display_timing koe_tx14d24vm1bpa_timing = {
.pixelclock = { 5580000, 5850000, 6200000 },
.hactive = { 320, 320, 320 },
@@ -2168,6 +2365,7 @@ static const struct panel_desc lg_lp120up1 = {
.width = 267,
.height = 183,
},
+ .connector_type = DRM_MODE_CONNECTOR_eDP,
};
static const struct drm_display_mode lg_lp129qe_mode = {
@@ -3065,6 +3263,32 @@ static const struct panel_desc shelly_sca07010_bfn_lnn = {
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};
+static const struct drm_display_mode starry_kr070pe2t_mode = {
+ .clock = 33000,
+ .hdisplay = 800,
+ .hsync_start = 800 + 209,
+ .hsync_end = 800 + 209 + 1,
+ .htotal = 800 + 209 + 1 + 45,
+ .vdisplay = 480,
+ .vsync_start = 480 + 22,
+ .vsync_end = 480 + 22 + 1,
+ .vtotal = 480 + 22 + 1 + 22,
+ .vrefresh = 60,
+};
+
+static const struct panel_desc starry_kr070pe2t = {
+ .modes = &starry_kr070pe2t_mode,
+ .num_modes = 1,
+ .bpc = 8,
+ .size = {
+ .width = 152,
+ .height = 86,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+ .connector_type = DRM_MODE_CONNECTOR_LVDS,
+};
+
static const struct drm_display_mode starry_kr122ea0sra_mode = {
.clock = 147000,
.hdisplay = 1920,
@@ -3455,12 +3679,21 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "auo,g104sn02",
.data = &auo_g104sn02,
}, {
+ .compatible = "auo,g121ean01",
+ .data = &auo_g121ean01,
+ }, {
.compatible = "auo,g133han01",
.data = &auo_g133han01,
}, {
+ .compatible = "auo,g156xtn01",
+ .data = &auo_g156xtn01,
+ }, {
.compatible = "auo,g185han01",
.data = &auo_g185han01,
}, {
+ .compatible = "auo,g190ean01",
+ .data = &auo_g190ean01,
+ }, {
.compatible = "auo,p320hvn03",
.data = &auo_p320hvn03,
}, {
@@ -3479,6 +3712,12 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "boe,nv101wxmn51",
.data = &boe_nv101wxmn51,
}, {
+ .compatible = "boe,nv133fhm-n61",
+ .data = &boe_nv133fhm_n61,
+ }, {
+ .compatible = "boe,nv133fhm-n62",
+ .data = &boe_nv133fhm_n61,
+ }, {
.compatible = "boe,nv140fhmn49",
.data = &boe_nv140fhmn49,
}, {
@@ -3587,6 +3826,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "innolux,zj070na-01p",
.data = &innolux_zj070na_01p,
}, {
+ .compatible = "ivo,m133nwf4-r0",
+ .data = &ivo_m133nwf4_r0,
+ }, {
.compatible = "koe,tx14d24vm1bpa",
.data = &koe_tx14d24vm1bpa,
}, {
@@ -3716,6 +3958,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "shelly,sca07010-bfn-lnn",
.data = &shelly_sca07010_bfn_lnn,
}, {
+ .compatible = "starry,kr070pe2t",
+ .data = &starry_kr070pe2t,
+ }, {
.compatible = "starry,kr122ea0sra",
.data = &starry_kr122ea0sra,
}, {
diff --git a/drivers/gpu/drm/panel/panel-truly-nt35597.c b/drivers/gpu/drm/panel/panel-truly-nt35597.c
index 012ca62bf30e..f0ad6081570f 100644
--- a/drivers/gpu/drm/panel/panel-truly-nt35597.c
+++ b/drivers/gpu/drm/panel/panel-truly-nt35597.c
@@ -490,9 +490,7 @@ static int truly_nt35597_panel_add(struct truly_nt35597 *ctx)
{
struct device *dev = ctx->dev;
int ret, i;
- const struct nt35597_config *config;
- config = ctx->config;
for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++)
ctx->supplies[i].supply = regulator_names[i];
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
new file mode 100644
index 000000000000..42f299ad3804
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -0,0 +1,303 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/delay.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/gpio/consumer.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_print.h>
+
+struct visionox_rm69299 {
+ struct drm_panel panel;
+ struct regulator_bulk_data supplies[2];
+ struct gpio_desc *reset_gpio;
+ struct mipi_dsi_device *dsi;
+ bool prepared;
+ bool enabled;
+};
+
+static inline struct visionox_rm69299 *panel_to_ctx(struct drm_panel *panel)
+{
+ return container_of(panel, struct visionox_rm69299, panel);
+}
+
+static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
+{
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Reset sequence of visionox panel requires the panel to be
+ * out of reset for 10ms, followed by being held in reset
+ * for 10ms and then out again
+ */
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 0);
+ usleep_range(10000, 20000);
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(10000, 20000);
+
+ return 0;
+}
+
+static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
+{
+ gpiod_set_value(ctx->reset_gpio, 0);
+
+ return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+}
+
+static int visionox_rm69299_unprepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ ctx->dsi->mode_flags = 0;
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
+ if (ret < 0)
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_off cmd failed ret = %d\n", ret);
+
+ /* 120ms delay required here as per DCS spec */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "enter_sleep cmd failed ret = %d\n", ret);
+ }
+
+ ret = visionox_rm69299_power_off(ctx);
+
+ ctx->prepared = false;
+ return ret;
+}
+
+static int visionox_rm69299_prepare(struct drm_panel *panel)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ int ret;
+
+ if (ctx->prepared)
+ return 0;
+
+ ret = visionox_rm69299_power_on(ctx);
+ if (ret < 0)
+ return ret;
+
+ ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0xfe, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 0 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0xc2, 0x08 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 1 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0x35, 0x00 }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 2 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0x51, 0xff }, 2);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "cmd set tx 3 failed, ret = %d\n", ret);
+ goto power_off;
+ }
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "exit_sleep_mode cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending exit sleep DCS command */
+ msleep(120);
+
+ ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
+ if (ret < 0) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "set_display_on cmd failed ret = %d\n", ret);
+ goto power_off;
+ }
+
+ /* Per DSI spec wait 120ms after sending set_display_on DCS command */
+ msleep(120);
+
+ ctx->prepared = true;
+
+ return 0;
+
+power_off:
+ return ret;
+}
+
+static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
+ .name = "1080x2248",
+ .clock = 158695,
+ .hdisplay = 1080,
+ .hsync_start = 1080 + 26,
+ .hsync_end = 1080 + 26 + 2,
+ .htotal = 1080 + 26 + 2 + 36,
+ .vdisplay = 2248,
+ .vsync_start = 2248 + 56,
+ .vsync_end = 2248 + 56 + 4,
+ .vtotal = 2248 + 56 + 4 + 4,
+ .vrefresh = 60,
+ .flags = 0,
+};
+
+static int visionox_rm69299_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct visionox_rm69299 *ctx = panel_to_ctx(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_DEV_ERROR(ctx->panel.dev,
+ "failed to create a new display mode\n");
+ return 0;
+ }
+
+ connector->display_info.width_mm = 74;
+ connector->display_info.height_mm = 131;
+ drm_mode_copy(mode, &visionox_rm69299_1080x2248_60hz);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs visionox_rm69299_drm_funcs = {
+ .unprepare = visionox_rm69299_unprepare,
+ .prepare = visionox_rm69299_prepare,
+ .get_modes = visionox_rm69299_get_modes,
+};
+
+static int visionox_rm69299_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct visionox_rm69299 *ctx;
+ int ret;
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ ctx->panel.dev = dev;
+ ctx->dsi = dsi;
+
+ ctx->supplies[0].supply = "vdda";
+ ctx->supplies[1].supply = "vdd3p3";
+
+ ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
+ ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
+ "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ DRM_DEV_ERROR(dev, "cannot get reset gpio %ld\n",
+ PTR_ERR(ctx->reset_gpio));
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ ctx->panel.dev = dev;
+ ctx->panel.funcs = &visionox_rm69299_drm_funcs;
+ drm_panel_add(&ctx->panel);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS;
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0) {
+ DRM_DEV_ERROR(dev, "dsi attach failed ret = %d\n", ret);
+ goto err_dsi_attach;
+ }
+
+ ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdda supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
+ if (ret) {
+ DRM_DEV_ERROR(dev,
+ "regulator set load failed for vdd3p3 supply ret = %d\n",
+ ret);
+ goto err_set_load;
+ }
+
+ return 0;
+
+err_set_load:
+ mipi_dsi_detach(dsi);
+err_dsi_attach:
+ drm_panel_remove(&ctx->panel);
+ return ret;
+}
+
+static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
+{
+ struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(ctx->dsi);
+ mipi_dsi_device_unregister(ctx->dsi);
+
+ drm_panel_remove(&ctx->panel);
+ return 0;
+}
+
+static const struct of_device_id visionox_rm69299_of_match[] = {
+ { .compatible = "visionox,rm69299-1080p-display", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, visionox_rm69299_of_match);
+
+static struct mipi_dsi_driver visionox_rm69299_driver = {
+ .driver = {
+ .name = "panel-visionox-rm69299",
+ .of_match_table = visionox_rm69299_of_match,
+ },
+ .probe = visionox_rm69299_probe,
+ .remove = visionox_rm69299_remove,
+};
+module_mipi_dsi_driver(visionox_rm69299_driver);
+
+MODULE_DESCRIPTION("Visionox RM69299 DSI Panel Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/pl111/Makefile b/drivers/gpu/drm/pl111/Makefile
index 0c70f0e91d21..67d430d433e0 100644
--- a/drivers/gpu/drm/pl111/Makefile
+++ b/drivers/gpu/drm/pl111/Makefile
@@ -3,7 +3,6 @@ pl111_drm-y += pl111_display.o \
pl111_versatile.o \
pl111_drv.o
-pl111_drm-$(CONFIG_ARCH_VEXPRESS) += pl111_vexpress.o
pl111_drm-$(CONFIG_ARCH_NOMADIK) += pl111_nomadik.o
pl111_drm-$(CONFIG_DEBUG_FS) += pl111_debugfs.o
diff --git a/drivers/gpu/drm/pl111/pl111_debugfs.c b/drivers/gpu/drm/pl111/pl111_debugfs.c
index 3c8e82016854..26ca8cdf3e60 100644
--- a/drivers/gpu/drm/pl111/pl111_debugfs.c
+++ b/drivers/gpu/drm/pl111/pl111_debugfs.c
@@ -51,10 +51,10 @@ static const struct drm_info_list pl111_debugfs_list[] = {
{"regs", pl111_debugfs_regs, 0},
};
-int
+void
pl111_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(pl111_debugfs_list,
- ARRAY_SIZE(pl111_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(pl111_debugfs_list,
+ ARRAY_SIZE(pl111_debugfs_list),
+ minor->debugfs_root, minor);
}
diff --git a/drivers/gpu/drm/pl111/pl111_drm.h b/drivers/gpu/drm/pl111/pl111_drm.h
index 77d2da9a8a7c..ba399bcb792f 100644
--- a/drivers/gpu/drm/pl111/pl111_drm.h
+++ b/drivers/gpu/drm/pl111/pl111_drm.h
@@ -84,6 +84,6 @@ struct pl111_drm_dev_private {
int pl111_display_init(struct drm_device *dev);
irqreturn_t pl111_irq(int irq, void *data);
-int pl111_debugfs_init(struct drm_minor *minor);
+void pl111_debugfs_init(struct drm_minor *minor);
#endif /* _PL111_DRM_H_ */
diff --git a/drivers/gpu/drm/pl111/pl111_drv.c b/drivers/gpu/drm/pl111/pl111_drv.c
index aa8aa8d9e405..da0c39dae874 100644
--- a/drivers/gpu/drm/pl111/pl111_drv.c
+++ b/drivers/gpu/drm/pl111/pl111_drv.c
@@ -90,10 +90,13 @@ static int pl111_modeset_init(struct drm_device *dev)
struct drm_panel *panel = NULL;
struct drm_bridge *bridge = NULL;
bool defer = false;
- int ret = 0;
+ int ret;
int i;
- drm_mode_config_init(dev);
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
+
mode_config = &dev->mode_config;
mode_config->funcs = &mode_config_funcs;
mode_config->min_width = 1;
@@ -154,7 +157,7 @@ static int pl111_modeset_init(struct drm_device *dev)
DRM_MODE_CONNECTOR_Unknown);
if (IS_ERR(bridge)) {
ret = PTR_ERR(bridge);
- goto out_config;
+ goto finish;
}
} else if (bridge) {
dev_info(dev->dev, "Using non-panel bridge\n");
@@ -197,8 +200,6 @@ static int pl111_modeset_init(struct drm_device *dev)
out_bridge:
if (panel)
drm_panel_bridge_remove(bridge);
-out_config:
- drm_mode_config_cleanup(dev);
finish:
return ret;
}
@@ -343,7 +344,6 @@ static int pl111_amba_remove(struct amba_device *amba_dev)
drm_dev_unregister(drm);
if (priv->panel)
drm_panel_bridge_remove(priv->bridge);
- drm_mode_config_cleanup(drm);
drm_dev_put(drm);
of_reserved_mem_device_release(dev);
@@ -444,6 +444,7 @@ static const struct amba_id pl111_id_table[] = {
},
{0, 0},
};
+MODULE_DEVICE_TABLE(amba, pl111_id_table);
static struct amba_driver pl111_amba_driver __maybe_unused = {
.drv = {
diff --git a/drivers/gpu/drm/pl111/pl111_versatile.c b/drivers/gpu/drm/pl111/pl111_versatile.c
index 4f325c410b5d..64f01a4e6767 100644
--- a/drivers/gpu/drm/pl111/pl111_versatile.c
+++ b/drivers/gpu/drm/pl111/pl111_versatile.c
@@ -8,9 +8,9 @@
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/regmap.h>
+#include <linux/vexpress.h>
#include "pl111_versatile.h"
-#include "pl111_vexpress.h"
#include "pl111_drm.h"
static struct regmap *versatile_syscon_map;
@@ -361,13 +361,110 @@ static const struct pl111_variant_data pl111_vexpress = {
.broken_clockdivider = true,
};
+#define VEXPRESS_FPGAMUX_MOTHERBOARD 0x00
+#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_1 0x01
+#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_2 0x02
+
+static int pl111_vexpress_clcd_init(struct device *dev, struct device_node *np,
+ struct pl111_drm_dev_private *priv)
+{
+ struct platform_device *pdev;
+ struct device_node *root;
+ struct device_node *child;
+ struct device_node *ct_clcd = NULL;
+ struct regmap *map;
+ bool has_coretile_clcd = false;
+ bool has_coretile_hdlcd = false;
+ bool mux_motherboard = true;
+ u32 val;
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_VEXPRESS_CONFIG))
+ return -ENODEV;
+
+ /*
+ * Check if we have a CLCD or HDLCD on the core tile by checking if a
+ * CLCD or HDLCD is available in the root of the device tree.
+ */
+ root = of_find_node_by_path("/");
+ if (!root)
+ return -EINVAL;
+
+ for_each_available_child_of_node(root, child) {
+ if (of_device_is_compatible(child, "arm,pl111")) {
+ has_coretile_clcd = true;
+ ct_clcd = child;
+ break;
+ }
+ if (of_device_is_compatible(child, "arm,hdlcd")) {
+ has_coretile_hdlcd = true;
+ of_node_put(child);
+ break;
+ }
+ }
+
+ of_node_put(root);
+
+ /*
+ * If there is a coretile HDLCD and it has a driver,
+ * do not mux the CLCD on the motherboard to the DVI.
+ */
+ if (has_coretile_hdlcd && IS_ENABLED(CONFIG_DRM_HDLCD))
+ mux_motherboard = false;
+
+ /*
+ * On the Vexpress CA9 we let the CLCD on the coretile
+ * take precedence, so also in this case do not mux the
+ * motherboard to the DVI.
+ */
+ if (has_coretile_clcd)
+ mux_motherboard = false;
+
+ if (mux_motherboard) {
+ dev_info(dev, "DVI muxed to motherboard CLCD\n");
+ val = VEXPRESS_FPGAMUX_MOTHERBOARD;
+ } else if (ct_clcd == dev->of_node) {
+ dev_info(dev,
+ "DVI muxed to daughterboard 1 (core tile) CLCD\n");
+ val = VEXPRESS_FPGAMUX_DAUGHTERBOARD_1;
+ } else {
+ dev_info(dev, "core tile graphics present\n");
+ dev_info(dev, "this device will be deactivated\n");
+ return -ENODEV;
+ }
+
+ /* Call into deep Vexpress configuration API */
+ pdev = of_find_device_by_node(np);
+ if (!pdev) {
+ dev_err(dev, "can't find the sysreg device, deferring\n");
+ return -EPROBE_DEFER;
+ }
+
+ map = devm_regmap_init_vexpress_config(&pdev->dev);
+ if (IS_ERR(map)) {
+ platform_device_put(pdev);
+ return PTR_ERR(map);
+ }
+
+ ret = regmap_write(map, 0, val);
+ platform_device_put(pdev);
+ if (ret) {
+ dev_err(dev, "error setting DVI muxmode\n");
+ return -ENODEV;
+ }
+
+ priv->variant = &pl111_vexpress;
+ dev_info(dev, "initializing Versatile Express PL111\n");
+
+ return 0;
+}
+
int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
{
const struct of_device_id *clcd_id;
enum versatile_clcd versatile_clcd_type;
struct device_node *np;
struct regmap *map;
- int ret;
np = of_find_matching_node_and_match(NULL, versatile_clcd_of_match,
&clcd_id);
@@ -378,6 +475,15 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
versatile_clcd_type = (enum versatile_clcd)clcd_id->data;
+ /* Versatile Express special handling */
+ if (versatile_clcd_type == VEXPRESS_CLCD_V2M) {
+ int ret = pl111_vexpress_clcd_init(dev, np, priv);
+ of_node_put(np);
+ if (ret)
+ dev_err(dev, "Versatile Express init failed - %d", ret);
+ return ret;
+ }
+
/*
* On the Integrator, check if we should use the IM-PD1 instead,
* if we find it, it will take precedence. This is on the Integrator/AP
@@ -390,37 +496,8 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
versatile_clcd_type = (enum versatile_clcd)clcd_id->data;
}
- /* Versatile Express special handling */
- if (versatile_clcd_type == VEXPRESS_CLCD_V2M) {
- struct platform_device *pdev;
-
- /* Registers a driver for the muxfpga */
- ret = vexpress_muxfpga_init();
- if (ret) {
- dev_err(dev, "unable to initialize muxfpga driver\n");
- of_node_put(np);
- return ret;
- }
-
- /* Call into deep Vexpress configuration API */
- pdev = of_find_device_by_node(np);
- if (!pdev) {
- dev_err(dev, "can't find the sysreg device, deferring\n");
- of_node_put(np);
- return -EPROBE_DEFER;
- }
- map = dev_get_drvdata(&pdev->dev);
- if (!map) {
- dev_err(dev, "sysreg has not yet probed\n");
- platform_device_put(pdev);
- of_node_put(np);
- return -EPROBE_DEFER;
- }
- } else {
- map = syscon_node_to_regmap(np);
- }
+ map = syscon_node_to_regmap(np);
of_node_put(np);
-
if (IS_ERR(map)) {
dev_err(dev, "no Versatile syscon regmap\n");
return PTR_ERR(map);
@@ -466,13 +543,6 @@ int pl111_versatile_init(struct device *dev, struct pl111_drm_dev_private *priv)
priv->variant_display_disable = pl111_realview_clcd_disable;
dev_info(dev, "set up callbacks for RealView PL111\n");
break;
- case VEXPRESS_CLCD_V2M:
- priv->variant = &pl111_vexpress;
- dev_info(dev, "initializing Versatile Express PL111\n");
- ret = pl111_vexpress_clcd_init(dev, priv, map);
- if (ret)
- return ret;
- break;
default:
dev_info(dev, "unknown Versatile system controller\n");
break;
diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.c b/drivers/gpu/drm/pl111/pl111_vexpress.c
deleted file mode 100644
index 350570fe06b5..000000000000
--- a/drivers/gpu/drm/pl111/pl111_vexpress.c
+++ /dev/null
@@ -1,138 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Versatile Express PL111 handling
- * Copyright (C) 2018 Linus Walleij
- *
- * This module binds to the "arm,vexpress-muxfpga" device on the
- * Versatile Express configuration bus and sets up which CLCD instance
- * gets muxed out on the DVI bridge.
- */
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/regmap.h>
-#include <linux/vexpress.h>
-#include <linux/platform_device.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include "pl111_drm.h"
-#include "pl111_vexpress.h"
-
-#define VEXPRESS_FPGAMUX_MOTHERBOARD 0x00
-#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_1 0x01
-#define VEXPRESS_FPGAMUX_DAUGHTERBOARD_2 0x02
-
-int pl111_vexpress_clcd_init(struct device *dev,
- struct pl111_drm_dev_private *priv,
- struct regmap *map)
-{
- struct device_node *root;
- struct device_node *child;
- struct device_node *ct_clcd = NULL;
- bool has_coretile_clcd = false;
- bool has_coretile_hdlcd = false;
- bool mux_motherboard = true;
- u32 val;
- int ret;
-
- /*
- * Check if we have a CLCD or HDLCD on the core tile by checking if a
- * CLCD or HDLCD is available in the root of the device tree.
- */
- root = of_find_node_by_path("/");
- if (!root)
- return -EINVAL;
-
- for_each_available_child_of_node(root, child) {
- if (of_device_is_compatible(child, "arm,pl111")) {
- has_coretile_clcd = true;
- ct_clcd = child;
- break;
- }
- if (of_device_is_compatible(child, "arm,hdlcd")) {
- has_coretile_hdlcd = true;
- of_node_put(child);
- break;
- }
- }
-
- of_node_put(root);
-
- /*
- * If there is a coretile HDLCD and it has a driver,
- * do not mux the CLCD on the motherboard to the DVI.
- */
- if (has_coretile_hdlcd && IS_ENABLED(CONFIG_DRM_HDLCD))
- mux_motherboard = false;
-
- /*
- * On the Vexpress CA9 we let the CLCD on the coretile
- * take precedence, so also in this case do not mux the
- * motherboard to the DVI.
- */
- if (has_coretile_clcd)
- mux_motherboard = false;
-
- if (mux_motherboard) {
- dev_info(dev, "DVI muxed to motherboard CLCD\n");
- val = VEXPRESS_FPGAMUX_MOTHERBOARD;
- } else if (ct_clcd == dev->of_node) {
- dev_info(dev,
- "DVI muxed to daughterboard 1 (core tile) CLCD\n");
- val = VEXPRESS_FPGAMUX_DAUGHTERBOARD_1;
- } else {
- dev_info(dev, "core tile graphics present\n");
- dev_info(dev, "this device will be deactivated\n");
- return -ENODEV;
- }
-
- ret = regmap_write(map, 0, val);
- if (ret) {
- dev_err(dev, "error setting DVI muxmode\n");
- return -ENODEV;
- }
-
- return 0;
-}
-
-/*
- * This sets up the regmap pointer that will then be retrieved by
- * the detection code in pl111_versatile.c and passed in to the
- * pl111_vexpress_clcd_init() function above.
- */
-static int vexpress_muxfpga_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct regmap *map;
-
- map = devm_regmap_init_vexpress_config(&pdev->dev);
- if (IS_ERR(map))
- return PTR_ERR(map);
- dev_set_drvdata(dev, map);
-
- return 0;
-}
-
-static const struct of_device_id vexpress_muxfpga_match[] = {
- { .compatible = "arm,vexpress-muxfpga", },
- {}
-};
-
-static struct platform_driver vexpress_muxfpga_driver = {
- .driver = {
- .name = "vexpress-muxfpga",
- .of_match_table = of_match_ptr(vexpress_muxfpga_match),
- },
- .probe = vexpress_muxfpga_probe,
-};
-
-int vexpress_muxfpga_init(void)
-{
- int ret;
-
- ret = platform_driver_register(&vexpress_muxfpga_driver);
- /* -EBUSY just means this driver is already registered */
- if (ret == -EBUSY)
- ret = 0;
- return ret;
-}
diff --git a/drivers/gpu/drm/pl111/pl111_vexpress.h b/drivers/gpu/drm/pl111/pl111_vexpress.h
deleted file mode 100644
index 5d3681bb4c00..000000000000
--- a/drivers/gpu/drm/pl111/pl111_vexpress.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-struct device;
-struct pl111_drm_dev_private;
-struct regmap;
-
-#ifdef CONFIG_ARCH_VEXPRESS
-
-int pl111_vexpress_clcd_init(struct device *dev,
- struct pl111_drm_dev_private *priv,
- struct regmap *map);
-
-int vexpress_muxfpga_init(void);
-
-#else
-
-static inline int pl111_vexpress_clcd_init(struct device *dev,
- struct pl111_drm_dev_private *priv,
- struct regmap *map)
-{
- return -ENODEV;
-}
-
-static inline int vexpress_muxfpga_init(void)
-{
- return 0;
-}
-
-#endif
diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c
index d1086b2a6892..05863b253d68 100644
--- a/drivers/gpu/drm/qxl/qxl_cmd.c
+++ b/drivers/gpu/drm/qxl/qxl_cmd.c
@@ -480,9 +480,10 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev,
return ret;
ret = qxl_release_reserve_list(release, true);
- if (ret)
+ if (ret) {
+ qxl_release_free(qdev, release);
return ret;
-
+ }
cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_SURFACE_CMD_CREATE;
cmd->flags = QXL_SURF_FLAG_KEEP_DATA;
@@ -499,8 +500,8 @@ int qxl_hw_surface_alloc(struct qxl_device *qdev,
/* no need to add a release to the fence for this surface bo,
since it is only released when we ask to destroy the surface
and it would never signal otherwise */
- qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
qxl_release_fence_buffer_objects(release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
surf->hw_surf_alloc = true;
spin_lock(&qdev->surf_id_idr_lock);
@@ -542,9 +543,8 @@ int qxl_hw_surface_dealloc(struct qxl_device *qdev,
cmd->surface_id = id;
qxl_release_unmap(qdev, release, &cmd->release_info);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
-
qxl_release_fence_buffer_objects(release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_SURFACE, false);
return 0;
}
diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c
index a4f4175bbdbe..524d35b648d8 100644
--- a/drivers/gpu/drm/qxl/qxl_debugfs.c
+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c
@@ -39,7 +39,7 @@ static int
qxl_debugfs_irq_received(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
- struct qxl_device *qdev = node->minor->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(node->minor->dev);
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received));
seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display));
@@ -53,7 +53,7 @@ static int
qxl_debugfs_buffers_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
- struct qxl_device *qdev = node->minor->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(node->minor->dev);
struct qxl_bo *bo;
list_for_each_entry(bo, &qdev->gem.objects, list) {
@@ -79,36 +79,29 @@ static struct drm_info_list qxl_debugfs_list[] = {
#define QXL_DEBUGFS_ENTRIES ARRAY_SIZE(qxl_debugfs_list)
#endif
-int
+void
qxl_debugfs_init(struct drm_minor *minor)
{
#if defined(CONFIG_DEBUG_FS)
- int r;
- struct qxl_device *dev =
- (struct qxl_device *) minor->dev->dev_private;
+ struct qxl_device *dev = to_qxl(minor->dev);
drm_debugfs_create_files(qxl_debugfs_list, QXL_DEBUGFS_ENTRIES,
minor->debugfs_root, minor);
- r = qxl_ttm_debugfs_init(dev);
- if (r) {
- DRM_ERROR("Failed to init TTM debugfs\n");
- return r;
- }
+ qxl_ttm_debugfs_init(dev);
#endif
- return 0;
}
-int qxl_debugfs_add_files(struct qxl_device *qdev,
- struct drm_info_list *files,
- unsigned int nfiles)
+void qxl_debugfs_add_files(struct qxl_device *qdev,
+ struct drm_info_list *files,
+ unsigned int nfiles)
{
unsigned int i;
for (i = 0; i < qdev->debugfs_count; i++) {
if (qdev->debugfs[i].files == files) {
/* Already registered */
- return 0;
+ return;
}
}
@@ -116,7 +109,7 @@ int qxl_debugfs_add_files(struct qxl_device *qdev,
if (i > QXL_DEBUGFS_MAX_COMPONENTS) {
DRM_ERROR("Reached maximum number of debugfs components.\n");
DRM_ERROR("Report so we increase QXL_DEBUGFS_MAX_COMPONENTS.\n");
- return -EINVAL;
+ return;
}
qdev->debugfs[qdev->debugfs_count].files = files;
qdev->debugfs[qdev->debugfs_count].num_files = nfiles;
@@ -126,5 +119,4 @@ int qxl_debugfs_add_files(struct qxl_device *qdev,
qdev->ddev.primary->debugfs_root,
qdev->ddev.primary);
#endif
- return 0;
}
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c
index 09583a08e141..9d45d5a4278f 100644
--- a/drivers/gpu/drm/qxl/qxl_display.c
+++ b/drivers/gpu/drm/qxl/qxl_display.c
@@ -221,7 +221,7 @@ static int qxl_add_mode(struct drm_connector *connector,
bool preferred)
{
struct drm_device *dev = connector->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_display_mode *mode = NULL;
int rc;
@@ -242,7 +242,7 @@ static int qxl_add_mode(struct drm_connector *connector,
static int qxl_add_monitors_config_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct qxl_output *output = drm_connector_to_qxl_output(connector);
int h = output->index;
struct qxl_head *head;
@@ -310,7 +310,7 @@ static void qxl_crtc_update_monitors_config(struct drm_crtc *crtc,
const char *reason)
{
struct drm_device *dev = crtc->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct qxl_head head;
int oldcount, i = qcrtc->index;
@@ -400,7 +400,7 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
unsigned int num_clips)
{
/* TODO: vmwgfx where this was cribbed from had locking. Why? */
- struct qxl_device *qdev = fb->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(fb->dev);
struct drm_clip_rect norect;
struct qxl_bo *qobj;
bool is_primary;
@@ -462,7 +462,7 @@ static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
static int qxl_primary_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
- struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(plane->dev);
struct qxl_bo *bo;
if (!state->crtc || !state->fb)
@@ -476,7 +476,7 @@ static int qxl_primary_atomic_check(struct drm_plane *plane,
static int qxl_primary_apply_cursor(struct drm_plane *plane)
{
struct drm_device *dev = plane->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_framebuffer *fb = plane->state->fb;
struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
struct qxl_cursor_cmd *cmd;
@@ -510,8 +510,8 @@ static int qxl_primary_apply_cursor(struct drm_plane *plane)
cmd->u.set.visible = 1;
qxl_release_unmap(qdev, release, &cmd->release_info);
- qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
return ret;
@@ -523,7 +523,7 @@ out_free_release:
static void qxl_primary_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(plane->dev);
struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]);
struct qxl_bo *primary;
struct drm_clip_rect norect = {
@@ -554,7 +554,7 @@ static void qxl_primary_atomic_update(struct drm_plane *plane,
static void qxl_primary_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(plane->dev);
if (old_state->fb) {
struct qxl_bo *bo = gem_to_qxl_bo(old_state->fb->obj[0]);
@@ -570,7 +570,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_device *dev = plane->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_framebuffer *fb = plane->state->fb;
struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc);
struct qxl_release *release;
@@ -652,8 +652,8 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane,
cmd->u.position.y = plane->state->crtc_y + fb->hot_y;
qxl_release_unmap(qdev, release, &cmd->release_info);
- qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
if (old_cursor_bo != NULL)
qxl_bo_unpin(old_cursor_bo);
@@ -679,7 +679,7 @@ out_free_release:
static void qxl_cursor_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
- struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(plane->dev);
struct qxl_release *release;
struct qxl_cursor_cmd *cmd;
int ret;
@@ -700,8 +700,8 @@ static void qxl_cursor_atomic_disable(struct drm_plane *plane,
cmd->type = QXL_CURSOR_HIDE;
qxl_release_unmap(qdev, release, &cmd->release_info);
- qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
+ qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
}
static void qxl_update_dumb_head(struct qxl_device *qdev,
@@ -762,7 +762,7 @@ static void qxl_calc_dumb_shadow(struct qxl_device *qdev,
static int qxl_plane_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *new_state)
{
- struct qxl_device *qdev = plane->dev->dev_private;
+ struct qxl_device *qdev = to_qxl(plane->dev);
struct drm_gem_object *obj;
struct qxl_bo *user_bo;
struct qxl_surface surf;
@@ -923,7 +923,7 @@ static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
{
struct qxl_crtc *qxl_crtc;
struct drm_plane *primary, *cursor;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
int r;
qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
@@ -965,7 +965,7 @@ free_mem:
static int qxl_conn_get_modes(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct qxl_output *output = drm_connector_to_qxl_output(connector);
unsigned int pwidth = 1024;
unsigned int pheight = 768;
@@ -991,7 +991,7 @@ static enum drm_mode_status qxl_conn_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_device *ddev = connector->dev;
- struct qxl_device *qdev = ddev->dev_private;
+ struct qxl_device *qdev = to_qxl(ddev);
if (qxl_check_mode(qdev, mode->hdisplay, mode->vdisplay) != 0)
return MODE_BAD;
@@ -1021,7 +1021,7 @@ static enum drm_connector_status qxl_conn_detect(
struct qxl_output *output =
drm_connector_to_qxl_output(connector);
struct drm_device *ddev = connector->dev;
- struct qxl_device *qdev = ddev->dev_private;
+ struct qxl_device *qdev = to_qxl(ddev);
bool connected = false;
/* The first monitor is always connected */
@@ -1071,7 +1071,7 @@ static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
static int qdev_output_init(struct drm_device *dev, int num_output)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct qxl_output *qxl_output;
struct drm_connector *connector;
struct drm_encoder *encoder;
diff --git a/drivers/gpu/drm/qxl/qxl_draw.c b/drivers/gpu/drm/qxl/qxl_draw.c
index 5bebf1ea1c5d..3599db096973 100644
--- a/drivers/gpu/drm/qxl/qxl_draw.c
+++ b/drivers/gpu/drm/qxl/qxl_draw.c
@@ -209,9 +209,10 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
goto out_release_backoff;
rects = drawable_set_clipping(qdev, num_clips, clips_bo);
- if (!rects)
+ if (!rects) {
+ ret = -EINVAL;
goto out_release_backoff;
-
+ }
drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
drawable->clip.type = SPICE_CLIP_TYPE_RECTS;
@@ -242,8 +243,8 @@ void qxl_draw_dirty_fb(struct qxl_device *qdev,
}
qxl_bo_kunmap(clips_bo);
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
qxl_release_fence_buffer_objects(release);
+ qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
out_release_backoff:
if (ret)
diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c
index 4fda3f9b29f4..13872b882775 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.c
+++ b/drivers/gpu/drm/qxl/qxl_drv.c
@@ -81,13 +81,16 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return -EINVAL; /* TODO: ENODEV ? */
}
- qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
- if (!qdev)
+ qdev = devm_drm_dev_alloc(&pdev->dev, &qxl_driver,
+ struct qxl_device, ddev);
+ if (IS_ERR(qdev)) {
+ pr_err("Unable to init drm dev");
return -ENOMEM;
+ }
ret = pci_enable_device(pdev);
if (ret)
- goto free_dev;
+ return ret;
ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "qxl");
if (ret)
@@ -101,7 +104,7 @@ qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
- ret = qxl_device_init(qdev, &qxl_driver, pdev);
+ ret = qxl_device_init(qdev, pdev);
if (ret)
goto put_vga;
@@ -128,14 +131,13 @@ put_vga:
vga_put(pdev, VGA_RSRC_LEGACY_IO);
disable_pci:
pci_disable_device(pdev);
-free_dev:
- kfree(qdev);
+
return ret;
}
static void qxl_drm_release(struct drm_device *dev)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
/*
* TODO: qxl_device_fini() call should be in qxl_pci_remove(),
@@ -144,8 +146,6 @@ static void qxl_drm_release(struct drm_device *dev)
*/
qxl_modeset_fini(qdev);
qxl_device_fini(qdev);
- dev->dev_private = NULL;
- kfree(qdev);
}
static void
@@ -157,7 +157,6 @@ qxl_pci_remove(struct pci_dev *pdev)
drm_atomic_helper_shutdown(dev);
if (is_vga(pdev))
vga_put(pdev, VGA_RSRC_LEGACY_IO);
- drm_dev_put(dev);
}
DEFINE_DRM_GEM_FOPS(qxl_fops);
@@ -165,7 +164,7 @@ DEFINE_DRM_GEM_FOPS(qxl_fops);
static int qxl_drm_freeze(struct drm_device *dev)
{
struct pci_dev *pdev = dev->pdev;
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
int ret;
ret = drm_mode_config_helper_suspend(dev);
@@ -187,7 +186,7 @@ static int qxl_drm_freeze(struct drm_device *dev)
static int qxl_drm_resume(struct drm_device *dev, bool thaw)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
if (!thaw) {
@@ -246,7 +245,7 @@ static int qxl_pm_restore(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct drm_device *drm_dev = pci_get_drvdata(pdev);
- struct qxl_device *qdev = drm_dev->dev_private;
+ struct qxl_device *qdev = to_qxl(drm_dev);
qxl_io_reset(qdev);
return qxl_drm_resume(drm_dev, false);
diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h
index 27e45a2d6b52..31e35f787df2 100644
--- a/drivers/gpu/drm/qxl/qxl_drv.h
+++ b/drivers/gpu/drm/qxl/qxl_drv.h
@@ -190,13 +190,8 @@ struct qxl_debugfs {
unsigned int num_files;
};
-int qxl_debugfs_add_files(struct qxl_device *rdev,
- struct drm_info_list *files,
- unsigned int nfiles);
int qxl_debugfs_fence_init(struct qxl_device *rdev);
-struct qxl_device;
-
struct qxl_device {
struct drm_device ddev;
@@ -276,11 +271,12 @@ struct qxl_device {
int monitors_config_height;
};
+#define to_qxl(dev) container_of(dev, struct qxl_device, ddev)
+
extern const struct drm_ioctl_desc qxl_ioctls[];
extern int qxl_max_ioctl;
-int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
- struct pci_dev *pdev);
+int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev);
void qxl_device_fini(struct qxl_device *qdev);
int qxl_modeset_init(struct qxl_device *qdev);
@@ -442,8 +438,8 @@ int qxl_garbage_collect(struct qxl_device *qdev);
/* debugfs */
-int qxl_debugfs_init(struct drm_minor *minor);
-int qxl_ttm_debugfs_init(struct qxl_device *qdev);
+void qxl_debugfs_init(struct drm_minor *minor);
+void qxl_ttm_debugfs_init(struct qxl_device *qdev);
/* qxl_prime.c */
int qxl_gem_prime_pin(struct drm_gem_object *obj);
@@ -461,9 +457,9 @@ int qxl_gem_prime_mmap(struct drm_gem_object *obj,
int qxl_irq_init(struct qxl_device *qdev);
irqreturn_t qxl_irq_handler(int irq, void *arg);
-int qxl_debugfs_add_files(struct qxl_device *qdev,
- struct drm_info_list *files,
- unsigned int nfiles);
+void qxl_debugfs_add_files(struct qxl_device *qdev,
+ struct drm_info_list *files,
+ unsigned int nfiles);
int qxl_surface_id_alloc(struct qxl_device *qdev,
struct qxl_bo *surf);
diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c
index 272d19b677d8..24e903383aa1 100644
--- a/drivers/gpu/drm/qxl/qxl_dumb.c
+++ b/drivers/gpu/drm/qxl/qxl_dumb.c
@@ -32,7 +32,7 @@ int qxl_mode_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct qxl_bo *qobj;
uint32_t handle;
int r;
diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c
index 69f37db1027a..5ff6fa9b799c 100644
--- a/drivers/gpu/drm/qxl/qxl_gem.c
+++ b/drivers/gpu/drm/qxl/qxl_gem.c
@@ -34,7 +34,7 @@ void qxl_gem_object_free(struct drm_gem_object *gobj)
struct qxl_device *qdev;
struct ttm_buffer_object *tbo;
- qdev = (struct qxl_device *)gobj->dev->dev_private;
+ qdev = to_qxl(gobj->dev);
qxl_surface_evict(qdev, qobj, false);
diff --git a/drivers/gpu/drm/qxl/qxl_image.c b/drivers/gpu/drm/qxl/qxl_image.c
index 43688ecdd8a0..60ab7151b84d 100644
--- a/drivers/gpu/drm/qxl/qxl_image.c
+++ b/drivers/gpu/drm/qxl/qxl_image.c
@@ -212,7 +212,8 @@ qxl_image_init_helper(struct qxl_device *qdev,
break;
default:
DRM_ERROR("unsupported image bit depth\n");
- return -EINVAL; /* TODO: cleanup */
+ qxl_bo_kunmap_atomic_page(qdev, image_bo, ptr);
+ return -EINVAL;
}
image->u.bitmap.flags = QXL_BITMAP_TOP_DOWN;
image->u.bitmap.x = width;
diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c
index 8117a45b3610..13bd1d11c703 100644
--- a/drivers/gpu/drm/qxl/qxl_ioctl.c
+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c
@@ -36,7 +36,7 @@
static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_alloc *qxl_alloc = data;
int ret;
struct qxl_bo *qobj;
@@ -64,7 +64,7 @@ static int qxl_alloc_ioctl(struct drm_device *dev, void *data,
static int qxl_map_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_map *qxl_map = data;
return qxl_mode_dumb_mmap(file_priv, &qdev->ddev, qxl_map->handle,
@@ -261,11 +261,8 @@ static int qxl_process_single_command(struct qxl_device *qdev,
apply_surf_reloc(qdev, &reloc_info[i]);
}
+ qxl_release_fence_buffer_objects(release);
ret = qxl_push_command_ring_release(qdev, release, cmd->type, true);
- if (ret)
- qxl_release_backoff_reserve_list(release);
- else
- qxl_release_fence_buffer_objects(release);
out_free_bos:
out_free_release:
@@ -279,7 +276,7 @@ out_free_reloc:
static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_execbuffer *execbuffer = data;
struct drm_qxl_command user_cmd;
int cmd_num;
@@ -304,7 +301,7 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data,
static int qxl_update_area_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_update_area *update_area = data;
struct qxl_rect area = {.left = update_area->left,
.top = update_area->top,
@@ -354,7 +351,7 @@ out:
static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_getparam *param = data;
switch (param->param) {
@@ -373,7 +370,7 @@ static int qxl_getparam_ioctl(struct drm_device *dev, void *data,
static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_clientcap *param = data;
int byte, idx;
@@ -394,7 +391,7 @@ static int qxl_clientcap_ioctl(struct drm_device *dev, void *data,
static int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data,
struct drm_file *file)
{
- struct qxl_device *qdev = dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
struct drm_qxl_alloc_surf *param = data;
struct qxl_bo *qobj;
int handle;
diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c
index 8435af108632..1ba5a702d763 100644
--- a/drivers/gpu/drm/qxl/qxl_irq.c
+++ b/drivers/gpu/drm/qxl/qxl_irq.c
@@ -32,7 +32,7 @@
irqreturn_t qxl_irq_handler(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *) arg;
- struct qxl_device *qdev = (struct qxl_device *)dev->dev_private;
+ struct qxl_device *qdev = to_qxl(dev);
uint32_t pending;
pending = xchg(&qdev->ram_header->int_pending, 0);
diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
index 70b20ee4741a..a6d873052cd4 100644
--- a/drivers/gpu/drm/qxl/qxl_kms.c
+++ b/drivers/gpu/drm/qxl/qxl_kms.c
@@ -27,6 +27,7 @@
#include <linux/pci.h>
#include <drm/drm_drv.h>
+#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include "qxl_drv.h"
@@ -107,20 +108,12 @@ static void qxl_gc_work(struct work_struct *work)
}
int qxl_device_init(struct qxl_device *qdev,
- struct drm_driver *drv,
struct pci_dev *pdev)
{
int r, sb;
- r = drm_dev_init(&qdev->ddev, drv, &pdev->dev);
- if (r) {
- pr_err("Unable to init drm dev");
- goto error;
- }
-
qdev->ddev.pdev = pdev;
pci_set_drvdata(pdev, &qdev->ddev);
- qdev->ddev.dev_private = qdev;
mutex_init(&qdev->gem.mutex);
mutex_init(&qdev->update_area_mutex);
@@ -136,8 +129,7 @@ int qxl_device_init(struct qxl_device *qdev,
qdev->vram_mapping = io_mapping_create_wc(qdev->vram_base, pci_resource_len(pdev, 0));
if (!qdev->vram_mapping) {
pr_err("Unable to create vram_mapping");
- r = -ENOMEM;
- goto error;
+ return -ENOMEM;
}
if (pci_resource_len(pdev, 4) > 0) {
@@ -218,7 +210,7 @@ int qxl_device_init(struct qxl_device *qdev,
&(qdev->ram_header->cursor_ring_hdr),
sizeof(struct qxl_command),
QXL_CURSOR_RING_SIZE,
- qdev->io_base + QXL_IO_NOTIFY_CMD,
+ qdev->io_base + QXL_IO_NOTIFY_CURSOR,
false,
&qdev->cursor_event);
@@ -291,7 +283,6 @@ surface_mapping_free:
io_mapping_free(qdev->surface_mapping);
vram_mapping_free:
io_mapping_free(qdev->vram_mapping);
-error:
return r;
}
diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c
index ab72dc3476e9..edc8a9916872 100644
--- a/drivers/gpu/drm/qxl/qxl_object.c
+++ b/drivers/gpu/drm/qxl/qxl_object.c
@@ -33,7 +33,7 @@ static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
struct qxl_device *qdev;
bo = to_qxl_bo(tbo);
- qdev = (struct qxl_device *)bo->tbo.base.dev->dev_private;
+ qdev = to_qxl(bo->tbo.base.dev);
qxl_surface_evict(qdev, bo, false);
WARN_ON_ONCE(bo->map_count > 0);
diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c
index 2feca734c7b1..4fae3e393da1 100644
--- a/drivers/gpu/drm/qxl/qxl_release.c
+++ b/drivers/gpu/drm/qxl/qxl_release.c
@@ -243,7 +243,7 @@ static int qxl_release_validate_bo(struct qxl_bo *bo)
return ret;
/* allocate a surface for reserved + validated buffers */
- ret = qxl_bo_check_id(bo->tbo.base.dev->dev_private, bo);
+ ret = qxl_bo_check_id(to_qxl(bo->tbo.base.dev), bo);
if (ret)
return ret;
return 0;
diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 62a5e424971b..f09a712b1ed2 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -243,7 +243,7 @@ static void qxl_bo_move_notify(struct ttm_buffer_object *bo,
if (!qxl_ttm_bo_is_qxl_bo(bo))
return;
qbo = to_qxl_bo(bo);
- qdev = qbo->tbo.base.dev->dev_private;
+ qdev = to_qxl(qbo->tbo.base.dev);
if (bo->mem.mem_type == TTM_PL_PRIV && qbo->surface_id)
qxl_surface_evict(qdev, qbo, new_mem ? true : false);
@@ -322,7 +322,7 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data)
}
#endif
-int qxl_ttm_debugfs_init(struct qxl_device *qdev)
+void qxl_ttm_debugfs_init(struct qxl_device *qdev)
{
#if defined(CONFIG_DEBUG_FS)
static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES];
@@ -343,8 +343,6 @@ int qxl_ttm_debugfs_init(struct qxl_device *qdev)
qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV].priv;
}
- return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
-#else
- return 0;
+ qxl_debugfs_add_files(qdev, qxl_mem_types_list, i);
#endif
}
diff --git a/drivers/gpu/drm/r128/ati_pcigart.c b/drivers/gpu/drm/r128/ati_pcigart.c
index 9b4072f97215..3e76ae5a17ee 100644
--- a/drivers/gpu/drm/r128/ati_pcigart.c
+++ b/drivers/gpu/drm/r128/ati_pcigart.c
@@ -32,9 +32,10 @@
*/
#include <linux/export.h>
+#include <linux/pci.h>
#include <drm/drm_device.h>
-#include <drm/drm_pci.h>
+#include <drm/drm_legacy.h>
#include <drm/drm_print.h>
#include "ati_pcigart.h"
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index c693b2ca0329..11c97edde54d 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -3,42 +3,13 @@
# Makefile for the drm device driver. This driver provides support for the
# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
-ccflags-y := -Idrivers/gpu/drm/amd/include
-
hostprogs := mkregtable
-clean-files := rn50_reg_safe.h r100_reg_safe.h r200_reg_safe.h rv515_reg_safe.h r300_reg_safe.h r420_reg_safe.h rs600_reg_safe.h r600_reg_safe.h evergreen_reg_safe.h cayman_reg_safe.h
+targets := rn50_reg_safe.h r100_reg_safe.h r200_reg_safe.h rv515_reg_safe.h r300_reg_safe.h r420_reg_safe.h rs600_reg_safe.h r600_reg_safe.h evergreen_reg_safe.h cayman_reg_safe.h
-quiet_cmd_mkregtable = MKREGTABLE $@
+quiet_cmd_mkregtable = MKREG $@
cmd_mkregtable = $(obj)/mkregtable $< > $@
-$(obj)/rn50_reg_safe.h: $(src)/reg_srcs/rn50 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/r100_reg_safe.h: $(src)/reg_srcs/r100 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/r200_reg_safe.h: $(src)/reg_srcs/r200 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/rv515_reg_safe.h: $(src)/reg_srcs/rv515 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/r300_reg_safe.h: $(src)/reg_srcs/r300 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/r420_reg_safe.h: $(src)/reg_srcs/r420 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/rs600_reg_safe.h: $(src)/reg_srcs/rs600 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/r600_reg_safe.h: $(src)/reg_srcs/r600 $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/evergreen_reg_safe.h: $(src)/reg_srcs/evergreen $(obj)/mkregtable
- $(call if_changed,mkregtable)
-
-$(obj)/cayman_reg_safe.h: $(src)/reg_srcs/cayman $(obj)/mkregtable
+$(obj)/%_reg_safe.h: $(src)/reg_srcs/% $(obj)/mkregtable FORCE
$(call if_changed,mkregtable)
$(obj)/r100.o: $(obj)/r100_reg_safe.h $(obj)/rn50_reg_safe.h
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 2c27627b6659..f15b20da5315 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1211,8 +1211,7 @@ static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32
SDEBUG("<<\n");
free:
- if (ws)
- kfree(ectx.ws);
+ kfree(ectx.ws);
return ret;
}
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index a9257bed3484..134aa2b01f90 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -65,13 +65,6 @@ static const struct ci_pt_defaults defaults_bonaire_xt =
{ 0x17C, 0x172, 0x180, 0x1BC, 0x1B3, 0x1BD, 0x206, 0x200, 0x203, 0x25D, 0x25A, 0x255, 0x2C3, 0x2C5, 0x2B4 }
};
-static const struct ci_pt_defaults defaults_bonaire_pro =
-{
- 1, 0xF, 0xFD, 0x19, 5, 45, 0, 0x65062,
- { 0x8C, 0x23F, 0x244, 0xA6, 0x83, 0x85, 0x86, 0x86, 0x83, 0xDB, 0xDB, 0xDA, 0x67, 0x60, 0x5F },
- { 0x187, 0x193, 0x193, 0x1C7, 0x1D1, 0x1D1, 0x210, 0x219, 0x219, 0x266, 0x26C, 0x26C, 0x2C9, 0x2CB, 0x2CB }
-};
-
static const struct ci_pt_defaults defaults_saturn_xt =
{
1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x70000,
@@ -79,13 +72,6 @@ static const struct ci_pt_defaults defaults_saturn_xt =
{ 0x187, 0x187, 0x187, 0x1C7, 0x1C7, 0x1C7, 0x210, 0x210, 0x210, 0x266, 0x266, 0x266, 0x2C9, 0x2C9, 0x2C9 }
};
-static const struct ci_pt_defaults defaults_saturn_pro =
-{
- 1, 0xF, 0xFD, 0x19, 5, 55, 0, 0x30000,
- { 0x96, 0x21D, 0x23B, 0xA1, 0x85, 0x87, 0x83, 0x84, 0x81, 0xE6, 0xE6, 0xE6, 0x71, 0x6A, 0x6A },
- { 0x193, 0x19E, 0x19E, 0x1D2, 0x1DC, 0x1DC, 0x21A, 0x223, 0x223, 0x26E, 0x27E, 0x274, 0x2CF, 0x2D2, 0x2D2 }
-};
-
static const struct ci_pt_config_reg didt_config_ci[] =
{
{ 0x10, 0x000000ff, 0, 0x0, CISLANDS_CONFIGREG_DIDT_IND },
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 848ef68d9086..5d2591725189 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -2111,7 +2111,7 @@ static int radeon_atombios_parse_power_table_1_3(struct radeon_device *rdev)
ucOverdriveThermalController];
info.addr = power_info->info.ucOverdriveControllerAddress >> 1;
strlcpy(info.type, name, sizeof(info.type));
- i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
}
}
num_modes = power_info->info.ucNumOfPowerModeEntries;
@@ -2351,7 +2351,7 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r
const char *name = pp_lib_thermal_controller_names[controller->ucType];
info.addr = controller->ucI2cAddress >> 1;
strlcpy(info.type, name, sizeof(info.type));
- i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
}
} else {
DRM_INFO("Unknown thermal controller type %d at 0x%02x %s fan control\n",
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index c3e49c973812..d3c04df7e75d 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -2704,7 +2704,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
const char *name = thermal_controller_names[thermal_controller];
info.addr = i2c_addr >> 1;
strlcpy(info.type, name, sizeof(info.type));
- i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
}
}
} else {
@@ -2721,7 +2721,7 @@ void radeon_combios_get_power_modes(struct radeon_device *rdev)
const char *name = "f75375";
info.addr = 0x28;
strlcpy(info.type, name, sizeof(info.type));
- i2c_new_device(&rdev->pm.i2c_bus->adapter, &info);
+ i2c_new_client_device(&rdev->pm.i2c_bus->adapter, &info);
DRM_INFO("Possible %s thermal controller at 0x%02x\n",
name, info.addr);
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 59f8186a2415..bbb0883e8ce6 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -36,6 +36,7 @@
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
#include <linux/mmu_notifier.h>
+#include <linux/pci.h>
#include <drm/drm_agpsupport.h>
#include <drm/drm_crtc_helper.h>
@@ -44,7 +45,6 @@
#include <drm/drm_file.h>
#include <drm/drm_gem.h>
#include <drm/drm_ioctl.h>
-#include <drm/drm_pci.h>
#include <drm/drm_pciids.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index 58176db85952..c5d1dc9618a4 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -158,7 +158,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags)
}
if (radeon_is_px(dev)) {
- dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_use_autosuspend(dev->dev);
pm_runtime_set_autosuspend_delay(dev->dev, 5000);
pm_runtime_set_active(dev->dev);
@@ -828,7 +828,7 @@ int radeon_enable_vblank_kms(struct drm_crtc *crtc)
unsigned long irqflags;
int r;
- if (pipe < 0 || pipe >= rdev->num_crtc) {
+ if (pipe >= rdev->num_crtc) {
DRM_ERROR("Invalid crtc %d\n", pipe);
return -EINVAL;
}
@@ -854,7 +854,7 @@ void radeon_disable_vblank_kms(struct drm_crtc *crtc)
struct radeon_device *rdev = dev->dev_private;
unsigned long irqflags;
- if (pipe < 0 || pipe >= rdev->num_crtc) {
+ if (pipe >= rdev->num_crtc) {
DRM_ERROR("Invalid crtc %d\n", pipe);
return;
}
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index 2cb85dbe728f..a167e1c36d24 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -252,24 +252,6 @@ static const struct si_dte_data dte_data_tahiti =
false
};
-static const struct si_dte_data dte_data_tahiti_le =
-{
- { 0x1E8480, 0x7A1200, 0x2160EC0, 0x3938700, 0 },
- { 0x7D, 0x7D, 0x4E4, 0xB00, 0 },
- 0x5,
- 0xAFC8,
- 0x64,
- 0x32,
- 1,
- 0,
- 0x10,
- { 0x78, 0x7C, 0x82, 0x88, 0x8E, 0x94, 0x9A, 0xA0, 0xA6, 0xAC, 0xB0, 0xB4, 0xB8, 0xBC, 0xC0, 0xC4 },
- { 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700, 0x3938700 },
- { 0x2AF8, 0x2AF8, 0x29BB, 0x27F9, 0x2637, 0x2475, 0x22B3, 0x20F1, 0x1F2F, 0x1D6D, 0x1734, 0x1414, 0x10F4, 0xDD4, 0xAB4, 0x794 },
- 85,
- true
-};
-
static const struct si_dte_data dte_data_tahiti_pro =
{
{ 0x1E8480, 0x3D0900, 0x989680, 0x2625A00, 0x0 },
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
index 654e2dd08146..3e67cf70f040 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
@@ -530,7 +530,6 @@ static int rcar_du_remove(struct platform_device *pdev)
drm_dev_unregister(ddev);
drm_kms_helper_poll_fini(ddev);
- drm_mode_config_cleanup(ddev);
drm_dev_put(ddev);
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
index c07c6a88aff0..b0335da0c161 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c
@@ -13,6 +13,7 @@
#include <drm/drm_crtc.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_panel.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rcar_du_drv.h"
#include "rcar_du_encoder.h"
@@ -23,13 +24,6 @@
* Encoder
*/
-static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
-};
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static unsigned int rcar_du_encoder_count_ports(struct device_node *node)
{
struct device_node *ports;
@@ -110,13 +104,11 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu,
}
}
- ret = drm_encoder_init(rcdu->ddev, encoder, &encoder_funcs,
- DRM_MODE_ENCODER_NONE, NULL);
+ ret = drm_simple_encoder_init(rcdu->ddev, encoder,
+ DRM_MODE_ENCODER_NONE);
if (ret < 0)
goto done;
- drm_encoder_helper_add(encoder, &encoder_helper_funcs);
-
/*
* Attach the bridge to the encoder. The bridge will create the
* connector.
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index fcfd916227d1..482329102f19 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -712,7 +712,9 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
unsigned int i;
int ret;
- drm_mode_config_init(dev);
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_plane.c b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
index c6430027169f..a0021fc25b27 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_plane.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_plane.c
@@ -785,13 +785,15 @@ int rcar_du_planes_init(struct rcar_du_group *rgrp)
drm_plane_create_alpha_property(&plane->plane);
- if (type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- drm_object_attach_property(&plane->plane.base,
- rcdu->props.colorkey,
- RCAR_DU_COLORKEY_NONE);
- drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
+ if (type == DRM_PLANE_TYPE_PRIMARY) {
+ drm_plane_create_zpos_immutable_property(&plane->plane,
+ 0);
+ } else {
+ drm_object_attach_property(&plane->plane.base,
+ rcdu->props.colorkey,
+ RCAR_DU_COLORKEY_NONE);
+ drm_plane_create_zpos_property(&plane->plane, 1, 1, 7);
+ }
}
return 0;
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
index 5e4faf258c31..f1a81c9b184d 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_vsp.c
@@ -392,12 +392,14 @@ int rcar_du_vsp_init(struct rcar_du_vsp *vsp, struct device_node *np,
drm_plane_helper_add(&plane->plane,
&rcar_du_vsp_plane_helper_funcs);
- if (type == DRM_PLANE_TYPE_PRIMARY)
- continue;
-
- drm_plane_create_alpha_property(&plane->plane);
- drm_plane_create_zpos_property(&plane->plane, 1, 1,
- vsp->num_planes - 1);
+ if (type == DRM_PLANE_TYPE_PRIMARY) {
+ drm_plane_create_zpos_immutable_property(&plane->plane,
+ 0);
+ } else {
+ drm_plane_create_alpha_property(&plane->plane);
+ drm_plane_create_zpos_property(&plane->plane, 1, 1,
+ vsp->num_planes - 1);
+ }
}
return 0;
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index ce98c08aa8b4..ade2327a10e2 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -26,6 +26,7 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -258,10 +259,6 @@ static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
.atomic_check = rockchip_dp_drm_encoder_atomic_check,
};
-static struct drm_encoder_funcs rockchip_dp_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
{
struct device *dev = dp->dev;
@@ -309,8 +306,8 @@ static int rockchip_dp_drm_create_encoder(struct rockchip_dp_device *dp)
dev->of_node);
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
- ret = drm_encoder_init(drm_dev, encoder, &rockchip_dp_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder,
+ DRM_MODE_ENCODER_TMDS);
if (ret) {
DRM_ERROR("failed to initialize encoder with drm\n");
return ret;
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index eed594bd38d3..c634b95b50f7 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -20,6 +20,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "cdn-dp-core.h"
#include "cdn-dp-reg.h"
@@ -689,10 +690,6 @@ static const struct drm_encoder_helper_funcs cdn_dp_encoder_helper_funcs = {
.atomic_check = cdn_dp_encoder_atomic_check,
};
-static const struct drm_encoder_funcs cdn_dp_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int cdn_dp_parse_dt(struct cdn_dp_device *dp)
{
struct device *dev = dp->dev;
@@ -1030,8 +1027,8 @@ static int cdn_dp_bind(struct device *dev, struct device *master, void *data)
dev->of_node);
DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
- ret = drm_encoder_init(drm_dev, encoder, &cdn_dp_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder,
+ DRM_MODE_ENCODER_TMDS);
if (ret) {
DRM_ERROR("failed to initialize encoder with drm\n");
return ret;
@@ -1109,7 +1106,7 @@ static const struct component_ops cdn_dp_component_ops = {
.unbind = cdn_dp_unbind,
};
-int cdn_dp_suspend(struct device *dev)
+static int cdn_dp_suspend(struct device *dev)
{
struct cdn_dp_device *dp = dev_get_drvdata(dev);
int ret = 0;
@@ -1123,7 +1120,7 @@ int cdn_dp_suspend(struct device *dev)
return ret;
}
-int cdn_dp_resume(struct device *dev)
+static int cdn_dp_resume(struct device *dev)
{
struct cdn_dp_device *dp = dev_get_drvdata(dev);
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index 7361c07cb4a7..9d2163ef4d6e 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -601,7 +601,7 @@ static int cdn_dp_get_msa_misc(struct video_info *video,
case YCBCR_4_2_0:
val[0] = 5;
break;
- };
+ }
switch (video->color_depth) {
case 6:
@@ -619,7 +619,7 @@ static int cdn_dp_get_msa_misc(struct video_info *video,
case 16:
val[1] = 4;
break;
- };
+ }
msa_misc = 2 * val[0] + 32 * val[1] +
((video->color_fmt == Y_ONLY) ? (1 << 14) : 0);
@@ -700,7 +700,7 @@ int cdn_dp_config_video(struct cdn_dp_device *dp)
case 16:
val = BCS_16;
break;
- };
+ }
val += video->color_fmt << 8;
ret = cdn_dp_reg_write(dp, DP_FRAMER_PXL_REPR, val);
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
index 6e1270e45f97..3feff0c45b3f 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c
@@ -21,6 +21,7 @@
#include <drm/bridge/dw_mipi_dsi.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -789,10 +790,6 @@ dw_mipi_dsi_encoder_helper_funcs = {
.disable = dw_mipi_dsi_encoder_disable,
};
-static const struct drm_encoder_funcs dw_mipi_dsi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int rockchip_dsi_drm_create_encoder(struct dw_mipi_dsi_rockchip *dsi,
struct drm_device *drm_dev)
{
@@ -802,8 +799,7 @@ static int rockchip_dsi_drm_create_encoder(struct dw_mipi_dsi_rockchip *dsi,
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
dsi->dev->of_node);
- ret = drm_encoder_init(drm_dev, encoder, &dw_mipi_dsi_encoder_funcs,
- DRM_MODE_ENCODER_DSI, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_DSI);
if (ret) {
DRM_ERROR("Failed to initialize encoder with drm\n");
return ret;
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 7f56d8c3491d..121aa8a63a76 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -14,6 +14,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -237,10 +238,6 @@ dw_hdmi_rockchip_mode_valid(struct drm_connector *connector,
return (valid) ? MODE_OK : MODE_BAD;
}
-static const struct drm_encoder_funcs dw_hdmi_rockchip_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void dw_hdmi_rockchip_encoder_disable(struct drm_encoder *encoder)
{
}
@@ -546,8 +543,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
}
drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
platform_set_drvdata(pdev, hdmi);
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index e5864e823020..7afdc54eb3ec 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -19,6 +19,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -532,10 +533,6 @@ static struct drm_encoder_helper_funcs inno_hdmi_encoder_helper_funcs = {
.atomic_check = inno_hdmi_encoder_atomic_check,
};
-static struct drm_encoder_funcs inno_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_connector_status
inno_hdmi_connector_detect(struct drm_connector *connector, bool force)
{
@@ -617,8 +614,7 @@ static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi)
return -EPROBE_DEFER;
drm_encoder_helper_add(encoder, &inno_hdmi_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &inno_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
diff --git a/drivers/gpu/drm/rockchip/rk3066_hdmi.c b/drivers/gpu/drm/rockchip/rk3066_hdmi.c
index fe203d38664e..1c546c3a8998 100644
--- a/drivers/gpu/drm/rockchip/rk3066_hdmi.c
+++ b/drivers/gpu/drm/rockchip/rk3066_hdmi.c
@@ -6,6 +6,7 @@
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <linux/clk.h>
#include <linux/mfd/syscon.h>
@@ -451,10 +452,6 @@ struct drm_encoder_helper_funcs rk3066_hdmi_encoder_helper_funcs = {
.atomic_check = rk3066_hdmi_encoder_atomic_check,
};
-static const struct drm_encoder_funcs rk3066_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_connector_status
rk3066_hdmi_connector_detect(struct drm_connector *connector, bool force)
{
@@ -557,8 +554,7 @@ rk3066_hdmi_register(struct drm_device *drm, struct rk3066_hdmi *hdmi)
return -EPROBE_DEFER;
drm_encoder_helper_add(encoder, &rk3066_hdmi_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &rk3066_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 20ecb1508a22..0f3eb392fe39 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -135,14 +135,16 @@ static int rockchip_drm_bind(struct device *dev)
if (ret)
goto err_free;
- drm_mode_config_init(drm_dev);
+ ret = drmm_mode_config_init(drm_dev);
+ if (ret)
+ goto err_iommu_cleanup;
rockchip_drm_mode_config_init(drm_dev);
/* Try to bind all sub drivers. */
ret = component_bind_all(dev, drm_dev);
if (ret)
- goto err_mode_config_cleanup;
+ goto err_iommu_cleanup;
ret = drm_vblank_init(drm_dev, drm_dev->mode_config.num_crtc);
if (ret)
@@ -173,12 +175,9 @@ err_kms_helper_poll_fini:
rockchip_drm_fbdev_fini(drm_dev);
err_unbind_all:
component_unbind_all(dev, drm_dev);
-err_mode_config_cleanup:
- drm_mode_config_cleanup(drm_dev);
+err_iommu_cleanup:
rockchip_iommu_cleanup(drm_dev);
err_free:
- drm_dev->dev_private = NULL;
- dev_set_drvdata(dev, NULL);
drm_dev_put(drm_dev);
return ret;
}
@@ -194,11 +193,8 @@ static void rockchip_drm_unbind(struct device *dev)
drm_atomic_helper_shutdown(drm_dev);
component_unbind_all(dev, drm_dev);
- drm_mode_config_cleanup(drm_dev);
rockchip_iommu_cleanup(drm_dev);
- drm_dev->dev_private = NULL;
- dev_set_drvdata(dev, NULL);
drm_dev_put(drm_dev);
}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index c5b06048124e..e33c2dcd0d4b 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -30,6 +30,7 @@ struct rockchip_crtc_state {
int output_mode;
int output_bpc;
int output_flags;
+ bool enable_afbc;
};
#define to_rockchip_crtc_state(s) \
container_of(s, struct rockchip_crtc_state, base)
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index 221e72e71432..9b13c784b347 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -57,8 +57,49 @@ static const struct drm_mode_config_helper_funcs rockchip_mode_config_helpers =
.atomic_commit_tail = drm_atomic_helper_commit_tail_rpm,
};
+static struct drm_framebuffer *
+rockchip_fb_create(struct drm_device *dev, struct drm_file *file,
+ const struct drm_mode_fb_cmd2 *mode_cmd)
+{
+ struct drm_afbc_framebuffer *afbc_fb;
+ const struct drm_format_info *info;
+ int ret;
+
+ info = drm_get_format_info(dev, mode_cmd);
+ if (!info)
+ return ERR_PTR(-ENOMEM);
+
+ afbc_fb = kzalloc(sizeof(*afbc_fb), GFP_KERNEL);
+ if (!afbc_fb)
+ return ERR_PTR(-ENOMEM);
+
+ ret = drm_gem_fb_init_with_funcs(dev, &afbc_fb->base, file, mode_cmd,
+ &rockchip_drm_fb_funcs);
+ if (ret) {
+ kfree(afbc_fb);
+ return ERR_PTR(ret);
+ }
+
+ if (drm_is_afbc(mode_cmd->modifier[0])) {
+ int ret, i;
+
+ ret = drm_gem_fb_afbc_init(dev, mode_cmd, afbc_fb);
+ if (ret) {
+ struct drm_gem_object **obj = afbc_fb->base.obj;
+
+ for (i = 0; i < info->num_planes; ++i)
+ drm_gem_object_put_unlocked(obj[i]);
+
+ kfree(afbc_fb);
+ return ERR_PTR(ret);
+ }
+ }
+
+ return &afbc_fb->base;
+}
+
static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = {
- .fb_create = drm_gem_fb_create_with_dirty,
+ .fb_create = rockchip_fb_create,
.output_poll_changed = drm_fb_helper_output_poll_changed,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index cecb2cc781f5..33463b79a37b 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -91,9 +91,22 @@
#define VOP_WIN_TO_INDEX(vop_win) \
((vop_win) - (vop_win)->vop->win)
+#define VOP_AFBC_SET(vop, name, v) \
+ do { \
+ if ((vop)->data->afbc) \
+ vop_reg_set((vop), &(vop)->data->afbc->name, \
+ 0, ~0, v, #name); \
+ } while (0)
+
#define to_vop(x) container_of(x, struct vop, crtc)
#define to_vop_win(x) container_of(x, struct vop_win, base)
+#define AFBC_FMT_RGB565 0x0
+#define AFBC_FMT_U8U8U8U8 0x5
+#define AFBC_FMT_U8U8U8 0x4
+
+#define AFBC_TILE_16x16 BIT(4)
+
/*
* The coefficients of the following matrix are all fixed points.
* The format is S2.10 for the 3x3 part of the matrix, and S9.12 for the offsets.
@@ -274,6 +287,29 @@ static enum vop_data_format vop_convert_format(uint32_t format)
}
}
+static int vop_convert_afbc_format(uint32_t format)
+{
+ switch (format) {
+ case DRM_FORMAT_XRGB8888:
+ case DRM_FORMAT_ARGB8888:
+ case DRM_FORMAT_XBGR8888:
+ case DRM_FORMAT_ABGR8888:
+ return AFBC_FMT_U8U8U8U8;
+ case DRM_FORMAT_RGB888:
+ case DRM_FORMAT_BGR888:
+ return AFBC_FMT_U8U8U8;
+ case DRM_FORMAT_RGB565:
+ case DRM_FORMAT_BGR565:
+ return AFBC_FMT_RGB565;
+ /* either of the below should not be reachable */
+ default:
+ DRM_WARN_ONCE("unsupported AFBC format[%08x]\n", format);
+ return -EINVAL;
+ }
+
+ return -EINVAL;
+}
+
static uint16_t scl_vop_cal_scale(enum scale_mode mode, uint32_t src,
uint32_t dst, bool is_horizontal,
int vsu_mode, int *vskiplines)
@@ -598,6 +634,17 @@ static int vop_enable(struct drm_crtc *crtc, struct drm_crtc_state *old_state)
vop_win_disable(vop, vop_win);
}
}
+
+ if (vop->data->afbc) {
+ struct rockchip_crtc_state *s;
+ /*
+ * Disable AFBC and forget there was a vop window with AFBC
+ */
+ VOP_AFBC_SET(vop, enable, 0);
+ s = to_rockchip_crtc_state(crtc->state);
+ s->enable_afbc = false;
+ }
+
spin_unlock(&vop->reg_lock);
vop_cfg_done(vop);
@@ -710,6 +757,26 @@ static void vop_plane_destroy(struct drm_plane *plane)
drm_plane_cleanup(plane);
}
+static inline bool rockchip_afbc(u64 modifier)
+{
+ return modifier == ROCKCHIP_AFBC_MOD;
+}
+
+static bool rockchip_mod_supported(struct drm_plane *plane,
+ u32 format, u64 modifier)
+{
+ if (modifier == DRM_FORMAT_MOD_LINEAR)
+ return true;
+
+ if (!rockchip_afbc(modifier)) {
+ DRM_DEBUG_KMS("Unsupported format modifier 0x%llx\n", modifier);
+
+ return false;
+ }
+
+ return vop_convert_afbc_format(format) >= 0;
+}
+
static int vop_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
@@ -758,6 +825,30 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
return -EINVAL;
}
+ if (rockchip_afbc(fb->modifier)) {
+ struct vop *vop = to_vop(crtc);
+
+ if (!vop->data->afbc) {
+ DRM_ERROR("vop does not support AFBC\n");
+ return -EINVAL;
+ }
+
+ ret = vop_convert_afbc_format(fb->format->format);
+ if (ret < 0)
+ return ret;
+
+ if (state->src.x1 || state->src.y1) {
+ DRM_ERROR("AFBC does not support offset display, xpos=%d, ypos=%d, offset=%d\n", state->src.x1, state->src.y1, fb->offsets[0]);
+ return -EINVAL;
+ }
+
+ if (state->rotation && state->rotation != DRM_MODE_ROTATE_0) {
+ DRM_ERROR("No rotation support in AFBC, rotation=%d\n",
+ state->rotation);
+ return -EINVAL;
+ }
+ }
+
return 0;
}
@@ -846,6 +937,16 @@ static void vop_plane_atomic_update(struct drm_plane *plane,
spin_lock(&vop->reg_lock);
+ if (rockchip_afbc(fb->modifier)) {
+ int afbc_format = vop_convert_afbc_format(fb->format->format);
+
+ VOP_AFBC_SET(vop, format, afbc_format | AFBC_TILE_16x16);
+ VOP_AFBC_SET(vop, hreg_block_split, 0);
+ VOP_AFBC_SET(vop, win_sel, VOP_WIN_TO_INDEX(vop_win));
+ VOP_AFBC_SET(vop, hdr_ptr, dma_addr);
+ VOP_AFBC_SET(vop, pic_size, act_info);
+ }
+
VOP_WIN_SET(vop, win, format, format);
VOP_WIN_SET(vop, win, yrgb_vir, DIV_ROUND_UP(fb->pitches[0], 4));
VOP_WIN_SET(vop, win, yrgb_mst, dma_addr);
@@ -1001,6 +1102,7 @@ static const struct drm_plane_funcs vop_plane_funcs = {
.reset = drm_atomic_helper_plane_reset,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
+ .format_mod_supported = rockchip_mod_supported,
};
static int vop_crtc_enable_vblank(struct drm_crtc *crtc)
@@ -1310,6 +1412,10 @@ static int vop_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *crtc_state)
{
struct vop *vop = to_vop(crtc);
+ struct drm_plane *plane;
+ struct drm_plane_state *plane_state;
+ struct rockchip_crtc_state *s;
+ int afbc_planes = 0;
if (vop->lut_regs && crtc_state->color_mgmt_changed &&
crtc_state->gamma_lut) {
@@ -1323,6 +1429,27 @@ static int vop_crtc_atomic_check(struct drm_crtc *crtc,
}
}
+ drm_atomic_crtc_state_for_each_plane(plane, crtc_state) {
+ plane_state =
+ drm_atomic_get_plane_state(crtc_state->state, plane);
+ if (IS_ERR(plane_state)) {
+ DRM_DEBUG_KMS("Cannot get plane state for plane %s\n",
+ plane->name);
+ return PTR_ERR(plane_state);
+ }
+
+ if (drm_is_afbc(plane_state->fb->modifier))
+ ++afbc_planes;
+ }
+
+ if (afbc_planes > 1) {
+ DRM_DEBUG_KMS("Invalid number of AFBC planes; got %d, expected at most 1\n", afbc_planes);
+ return -EINVAL;
+ }
+
+ s = to_rockchip_crtc_state(crtc_state);
+ s->enable_afbc = afbc_planes > 0;
+
return 0;
}
@@ -1333,6 +1460,7 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
struct drm_plane_state *old_plane_state, *new_plane_state;
struct vop *vop = to_vop(crtc);
struct drm_plane *plane;
+ struct rockchip_crtc_state *s;
int i;
if (WARN_ON(!vop->is_enabled))
@@ -1340,6 +1468,9 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
spin_lock(&vop->reg_lock);
+ /* Enable AFBC if there is some AFBC window, disable otherwise. */
+ s = to_rockchip_crtc_state(crtc->state);
+ VOP_AFBC_SET(vop, enable, s->enable_afbc);
vop_cfg_done(vop);
spin_unlock(&vop->reg_lock);
@@ -1634,7 +1765,8 @@ static int vop_create_crtc(struct vop *vop)
0, &vop_plane_funcs,
win_data->phy->data_formats,
win_data->phy->nformats,
- NULL, win_data->type, NULL);
+ win_data->phy->format_modifiers,
+ win_data->type, NULL);
if (ret) {
DRM_DEV_ERROR(vop->dev, "failed to init plane %d\n",
ret);
@@ -1678,7 +1810,8 @@ static int vop_create_crtc(struct vop *vop)
&vop_plane_funcs,
win_data->phy->data_formats,
win_data->phy->nformats,
- NULL, win_data->type, NULL);
+ win_data->phy->format_modifiers,
+ win_data->type, NULL);
if (ret) {
DRM_DEV_ERROR(vop->dev, "failed to init overlay %d\n",
ret);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index cc672620d6e0..d03bdb531ef2 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -17,6 +17,11 @@
#define NUM_YUV2YUV_COEFFICIENTS 12
+#define ROCKCHIP_AFBC_MOD \
+ DRM_FORMAT_MOD_ARM_AFBC( \
+ AFBC_FORMAT_MOD_BLOCK_SIZE_16x16 | AFBC_FORMAT_MOD_SPARSE \
+ )
+
enum vop_data_format {
VOP_FMT_ARGB8888 = 0,
VOP_FMT_RGB888,
@@ -34,6 +39,16 @@ struct vop_reg {
bool relaxed;
};
+struct vop_afbc {
+ struct vop_reg enable;
+ struct vop_reg win_sel;
+ struct vop_reg format;
+ struct vop_reg hreg_block_split;
+ struct vop_reg pic_size;
+ struct vop_reg hdr_ptr;
+ struct vop_reg rstn;
+};
+
struct vop_modeset {
struct vop_reg htotal_pw;
struct vop_reg hact_st_end;
@@ -134,6 +149,7 @@ struct vop_win_phy {
const struct vop_scl_regs *scl;
const uint32_t *data_formats;
uint32_t nformats;
+ const uint64_t *format_modifiers;
struct vop_reg enable;
struct vop_reg gate;
@@ -173,6 +189,7 @@ struct vop_data {
const struct vop_misc *misc;
const struct vop_modeset *modeset;
const struct vop_output *output;
+ const struct vop_afbc *afbc;
const struct vop_win_yuv2yuv_data *win_yuv2yuv;
const struct vop_win_data *win;
unsigned int win_size;
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 449a62908d21..63f967902c2d 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -16,13 +16,14 @@
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/reset.h>
+
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
-
#include <drm/drm_dp_helper.h>
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -435,10 +436,6 @@ struct drm_encoder_helper_funcs px30_lvds_encoder_helper_funcs = {
.atomic_check = rockchip_lvds_encoder_atomic_check,
};
-static const struct drm_encoder_funcs rockchip_lvds_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int rk3288_lvds_probe(struct platform_device *pdev,
struct rockchip_lvds *lvds)
{
@@ -607,8 +604,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master,
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
dev->of_node);
- ret = drm_encoder_init(drm_dev, encoder, &rockchip_lvds_encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_LVDS);
if (ret < 0) {
DRM_DEV_ERROR(drm_dev->dev,
"failed to initialize encoder: %d\n", ret);
diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c b/drivers/gpu/drm/rockchip/rockchip_rgb.c
index 90784781e515..9a771af5d0c9 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -14,6 +14,7 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
@@ -67,10 +68,6 @@ struct drm_encoder_helper_funcs rockchip_rgb_encoder_helper_funcs = {
.atomic_check = rockchip_rgb_encoder_atomic_check,
};
-static const struct drm_encoder_funcs rockchip_rgb_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
struct drm_crtc *crtc,
struct drm_device *drm_dev)
@@ -126,8 +123,7 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
encoder = &rgb->encoder;
encoder->possible_crtcs = drm_crtc_mask(crtc);
- ret = drm_encoder_init(drm_dev, encoder, &rockchip_rgb_encoder_funcs,
- DRM_MODE_ENCODER_NONE, NULL);
+ ret = drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_NONE);
if (ret < 0) {
DRM_DEV_ERROR(drm_dev->dev,
"failed to initialize encoder: %d\n", ret);
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 7a9d979c8d5d..2413deded22c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -50,6 +50,17 @@ static const uint32_t formats_win_full[] = {
DRM_FORMAT_NV24,
};
+static const uint64_t format_modifiers_win_full[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID,
+};
+
+static const uint64_t format_modifiers_win_full_afbc[] = {
+ ROCKCHIP_AFBC_MOD,
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID,
+};
+
static const uint32_t formats_win_lite[] = {
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
@@ -61,6 +72,11 @@ static const uint32_t formats_win_lite[] = {
DRM_FORMAT_BGR565,
};
+static const uint64_t format_modifiers_win_lite[] = {
+ DRM_FORMAT_MOD_LINEAR,
+ DRM_FORMAT_MOD_INVALID,
+};
+
static const struct vop_scl_regs rk3036_win_scl = {
.scale_yrgb_x = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 0x0),
.scale_yrgb_y = VOP_REG(RK3036_WIN0_SCL_FACTOR_YRGB, 0xffff, 16),
@@ -72,6 +88,7 @@ static const struct vop_win_phy rk3036_win0_data = {
.scl = &rk3036_win_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 0),
.format = VOP_REG(RK3036_SYS_CTRL, 0x7, 3),
.rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 15),
@@ -87,6 +104,7 @@ static const struct vop_win_phy rk3036_win0_data = {
static const struct vop_win_phy rk3036_win1_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1),
.format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6),
.rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19),
@@ -153,6 +171,7 @@ static const struct vop_data rk3036_vop = {
static const struct vop_win_phy rk3126_win1_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(RK3036_SYS_CTRL, 0x1, 1),
.format = VOP_REG(RK3036_SYS_CTRL, 0x7, 6),
.rb_swap = VOP_REG(RK3036_SYS_CTRL, 0x1, 19),
@@ -234,6 +253,7 @@ static const struct vop_win_phy px30_win0_data = {
.scl = &px30_win_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(PX30_WIN0_CTRL0, 0x1, 0),
.format = VOP_REG(PX30_WIN0_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(PX30_WIN0_CTRL0, 0x1, 12),
@@ -249,6 +269,7 @@ static const struct vop_win_phy px30_win0_data = {
static const struct vop_win_phy px30_win1_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(PX30_WIN1_CTRL0, 0x1, 0),
.format = VOP_REG(PX30_WIN1_CTRL0, 0x7, 4),
.rb_swap = VOP_REG(PX30_WIN1_CTRL0, 0x1, 12),
@@ -261,6 +282,7 @@ static const struct vop_win_phy px30_win1_data = {
static const struct vop_win_phy px30_win2_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.gate = VOP_REG(PX30_WIN2_CTRL0, 0x1, 4),
.enable = VOP_REG(PX30_WIN2_CTRL0, 0x1, 0),
.format = VOP_REG(PX30_WIN2_CTRL0, 0x3, 5),
@@ -316,6 +338,7 @@ static const struct vop_win_phy rk3066_win0_data = {
.scl = &rk3066_win_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 0),
.format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 4),
.rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 19),
@@ -332,6 +355,7 @@ static const struct vop_win_phy rk3066_win1_data = {
.scl = &rk3066_win_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 1),
.format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 7),
.rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 23),
@@ -347,6 +371,7 @@ static const struct vop_win_phy rk3066_win1_data = {
static const struct vop_win_phy rk3066_win2_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(RK3066_SYS_CTRL1, 0x1, 2),
.format = VOP_REG(RK3066_SYS_CTRL0, 0x7, 10),
.rb_swap = VOP_REG(RK3066_SYS_CTRL0, 0x1, 27),
@@ -426,6 +451,7 @@ static const struct vop_win_phy rk3188_win0_data = {
.scl = &rk3188_win_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 0),
.format = VOP_REG(RK3188_SYS_CTRL, 0x7, 3),
.rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 15),
@@ -440,6 +466,7 @@ static const struct vop_win_phy rk3188_win0_data = {
static const struct vop_win_phy rk3188_win1_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(RK3188_SYS_CTRL, 0x1, 1),
.format = VOP_REG(RK3188_SYS_CTRL, 0x7, 6),
.rb_swap = VOP_REG(RK3188_SYS_CTRL, 0x1, 19),
@@ -545,6 +572,7 @@ static const struct vop_win_phy rk3288_win01_data = {
.scl = &rk3288_win_full_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0),
.format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12),
@@ -563,6 +591,7 @@ static const struct vop_win_phy rk3288_win01_data = {
static const struct vop_win_phy rk3288_win23_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.enable = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 4),
.gate = VOP_REG(RK3288_WIN2_CTRL0, 0x1, 0),
.format = VOP_REG(RK3288_WIN2_CTRL0, 0x7, 1),
@@ -677,6 +706,7 @@ static const struct vop_win_phy rk3368_win01_data = {
.scl = &rk3288_win_full_scl,
.data_formats = formats_win_full,
.nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full,
.enable = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 0),
.format = VOP_REG(RK3368_WIN0_CTRL0, 0x7, 1),
.rb_swap = VOP_REG(RK3368_WIN0_CTRL0, 0x1, 12),
@@ -697,6 +727,7 @@ static const struct vop_win_phy rk3368_win01_data = {
static const struct vop_win_phy rk3368_win23_data = {
.data_formats = formats_win_lite,
.nformats = ARRAY_SIZE(formats_win_lite),
+ .format_modifiers = format_modifiers_win_lite,
.gate = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 0),
.enable = VOP_REG(RK3368_WIN2_CTRL0, 0x1, 4),
.format = VOP_REG(RK3368_WIN2_CTRL0, 0x3, 5),
@@ -817,6 +848,53 @@ static const struct vop_win_yuv2yuv_data rk3399_vop_big_win_yuv2yuv_data[] = {
.y2r_en = VOP_REG(RK3399_YUV2YUV_WIN, 0x1, 9) },
{ .base = 0xC0, .phy = &rk3399_yuv2yuv_win23_data },
{ .base = 0x120, .phy = &rk3399_yuv2yuv_win23_data },
+
+};
+
+static const struct vop_win_phy rk3399_win01_data = {
+ .scl = &rk3288_win_full_scl,
+ .data_formats = formats_win_full,
+ .nformats = ARRAY_SIZE(formats_win_full),
+ .format_modifiers = format_modifiers_win_full_afbc,
+ .enable = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 0),
+ .format = VOP_REG(RK3288_WIN0_CTRL0, 0x7, 1),
+ .rb_swap = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 12),
+ .y_mir_en = VOP_REG(RK3288_WIN0_CTRL0, 0x1, 22),
+ .act_info = VOP_REG(RK3288_WIN0_ACT_INFO, 0x1fff1fff, 0),
+ .dsp_info = VOP_REG(RK3288_WIN0_DSP_INFO, 0x0fff0fff, 0),
+ .dsp_st = VOP_REG(RK3288_WIN0_DSP_ST, 0x1fff1fff, 0),
+ .yrgb_mst = VOP_REG(RK3288_WIN0_YRGB_MST, 0xffffffff, 0),
+ .uv_mst = VOP_REG(RK3288_WIN0_CBR_MST, 0xffffffff, 0),
+ .yrgb_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 0),
+ .uv_vir = VOP_REG(RK3288_WIN0_VIR, 0x3fff, 16),
+ .src_alpha_ctl = VOP_REG(RK3288_WIN0_SRC_ALPHA_CTRL, 0xff, 0),
+ .dst_alpha_ctl = VOP_REG(RK3288_WIN0_DST_ALPHA_CTRL, 0xff, 0),
+};
+
+/*
+ * rk3399 vop big windows register layout is same as rk3288, but we
+ * have a separate rk3399 win data array here so that we can advertise
+ * AFBC on the primary plane.
+ */
+static const struct vop_win_data rk3399_vop_win_data[] = {
+ { .base = 0x00, .phy = &rk3399_win01_data,
+ .type = DRM_PLANE_TYPE_PRIMARY },
+ { .base = 0x40, .phy = &rk3288_win01_data,
+ .type = DRM_PLANE_TYPE_OVERLAY },
+ { .base = 0x00, .phy = &rk3288_win23_data,
+ .type = DRM_PLANE_TYPE_OVERLAY },
+ { .base = 0x50, .phy = &rk3288_win23_data,
+ .type = DRM_PLANE_TYPE_CURSOR },
+};
+
+static const struct vop_afbc rk3399_vop_afbc = {
+ .rstn = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 3),
+ .enable = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 0),
+ .win_sel = VOP_REG(RK3399_AFBCD0_CTRL, 0x3, 1),
+ .format = VOP_REG(RK3399_AFBCD0_CTRL, 0x1f, 16),
+ .hreg_block_split = VOP_REG(RK3399_AFBCD0_CTRL, 0x1, 21),
+ .hdr_ptr = VOP_REG(RK3399_AFBCD0_HDR_PTR, 0xffffffff, 0),
+ .pic_size = VOP_REG(RK3399_AFBCD0_PIC_SIZE, 0xffffffff, 0),
};
static const struct vop_data rk3399_vop_big = {
@@ -826,9 +904,10 @@ static const struct vop_data rk3399_vop_big = {
.common = &rk3288_common,
.modeset = &rk3288_modeset,
.output = &rk3399_output,
+ .afbc = &rk3399_vop_afbc,
.misc = &rk3368_misc,
- .win = rk3368_vop_win_data,
- .win_size = ARRAY_SIZE(rk3368_vop_win_data),
+ .win = rk3399_vop_win_data,
+ .win_size = ARRAY_SIZE(rk3399_vop_win_data),
.win_yuv2yuv = rk3399_vop_big_win_yuv2yuv_data,
};
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 8e731ed0d9d9..2f319102ae9f 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -676,7 +676,7 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
*/
if ((sched->timeout != MAX_SCHEDULE_TIMEOUT &&
!cancel_delayed_work(&sched->work_tdr)) ||
- __kthread_should_park(sched->thread))
+ kthread_should_park())
return NULL;
spin_lock(&sched->job_list_lock);
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
index 75a752d59ef1..03556dbfcafb 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c
@@ -17,6 +17,7 @@
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <drm/drm_vblank.h>
#include "shmob_drm_backlight.h"
@@ -558,15 +559,6 @@ static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.mode_set = shmob_drm_encoder_mode_set,
};
-static void shmob_drm_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = shmob_drm_encoder_destroy,
-};
-
int shmob_drm_encoder_create(struct shmob_drm_device *sdev)
{
struct drm_encoder *encoder = &sdev->encoder.encoder;
@@ -576,8 +568,8 @@ int shmob_drm_encoder_create(struct shmob_drm_device *sdev)
encoder->possible_crtcs = 1;
- ret = drm_encoder_init(sdev->ddev, encoder, &encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ ret = drm_simple_encoder_init(sdev->ddev, encoder,
+ DRM_MODE_ENCODER_LVDS);
if (ret < 0)
return ret;
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
index b8c0930959c7..ae9d6b8d3ca8 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_drv.c
@@ -192,7 +192,6 @@ static int shmob_drm_remove(struct platform_device *pdev)
drm_dev_unregister(ddev);
drm_kms_helper_poll_fini(ddev);
- drm_mode_config_cleanup(ddev);
drm_irq_uninstall(ddev);
drm_dev_put(ddev);
@@ -288,7 +287,6 @@ err_irq_uninstall:
drm_irq_uninstall(ddev);
err_modeset_cleanup:
drm_kms_helper_poll_fini(ddev);
- drm_mode_config_cleanup(ddev);
err_free_drm_dev:
drm_dev_put(ddev);
diff --git a/drivers/gpu/drm/shmobile/shmob_drm_kms.c b/drivers/gpu/drm/shmobile/shmob_drm_kms.c
index c51197b6fd85..7a866d6ce6bb 100644
--- a/drivers/gpu/drm/shmobile/shmob_drm_kms.c
+++ b/drivers/gpu/drm/shmobile/shmob_drm_kms.c
@@ -126,7 +126,11 @@ static const struct drm_mode_config_funcs shmob_drm_mode_config_funcs = {
int shmob_drm_modeset_init(struct shmob_drm_device *sdev)
{
- drm_mode_config_init(sdev->ddev);
+ int ret;
+
+ ret = drmm_mode_config_init(sdev->ddev);
+ if (ret)
+ return ret;
shmob_drm_crtc_create(sdev);
shmob_drm_encoder_create(sdev);
diff --git a/drivers/gpu/drm/sti/sti_compositor.c b/drivers/gpu/drm/sti/sti_compositor.c
index c7652584255d..319962a2c17b 100644
--- a/drivers/gpu/drm/sti/sti_compositor.c
+++ b/drivers/gpu/drm/sti/sti_compositor.c
@@ -42,8 +42,8 @@ static const struct sti_compositor_data stih407_compositor_data = {
},
};
-int sti_compositor_debugfs_init(struct sti_compositor *compo,
- struct drm_minor *minor)
+void sti_compositor_debugfs_init(struct sti_compositor *compo,
+ struct drm_minor *minor)
{
unsigned int i;
@@ -54,8 +54,6 @@ int sti_compositor_debugfs_init(struct sti_compositor *compo,
for (i = 0; i < STI_MAX_MIXER; i++)
if (compo->mixer[i])
sti_mixer_debugfs_init(compo->mixer[i], minor);
-
- return 0;
}
static int sti_compositor_bind(struct device *dev,
diff --git a/drivers/gpu/drm/sti/sti_compositor.h b/drivers/gpu/drm/sti/sti_compositor.h
index ac4bb3834810..25bb01bdd013 100644
--- a/drivers/gpu/drm/sti/sti_compositor.h
+++ b/drivers/gpu/drm/sti/sti_compositor.h
@@ -79,7 +79,7 @@ struct sti_compositor {
struct notifier_block vtg_vblank_nb[STI_MAX_MIXER];
};
-int sti_compositor_debugfs_init(struct sti_compositor *compo,
- struct drm_minor *minor);
+void sti_compositor_debugfs_init(struct sti_compositor *compo,
+ struct drm_minor *minor);
#endif
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c
index 49e6cb8f5836..6f37c104c46f 100644
--- a/drivers/gpu/drm/sti/sti_crtc.c
+++ b/drivers/gpu/drm/sti/sti_crtc.c
@@ -319,7 +319,7 @@ static int sti_crtc_late_register(struct drm_crtc *crtc)
struct sti_compositor *compo = dev_get_drvdata(mixer->dev);
if (drm_crtc_index(crtc) == 0)
- return sti_compositor_debugfs_init(compo, crtc->dev->primary);
+ sti_compositor_debugfs_init(compo, crtc->dev->primary);
return 0;
}
diff --git a/drivers/gpu/drm/sti/sti_cursor.c b/drivers/gpu/drm/sti/sti_cursor.c
index ea64c1dcaf63..a98057431023 100644
--- a/drivers/gpu/drm/sti/sti_cursor.c
+++ b/drivers/gpu/drm/sti/sti_cursor.c
@@ -131,17 +131,17 @@ static struct drm_info_list cursor_debugfs_files[] = {
{ "cursor", cursor_dbg_show, 0, NULL },
};
-static int cursor_debugfs_init(struct sti_cursor *cursor,
- struct drm_minor *minor)
+static void cursor_debugfs_init(struct sti_cursor *cursor,
+ struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cursor_debugfs_files); i++)
cursor_debugfs_files[i].data = cursor;
- return drm_debugfs_create_files(cursor_debugfs_files,
- ARRAY_SIZE(cursor_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(cursor_debugfs_files,
+ ARRAY_SIZE(cursor_debugfs_files),
+ minor->debugfs_root, minor);
}
static void sti_cursor_argb8888_to_clut8(struct sti_cursor *cursor, u32 *src)
@@ -342,7 +342,9 @@ static int sti_cursor_late_register(struct drm_plane *drm_plane)
struct sti_plane *plane = to_sti_plane(drm_plane);
struct sti_cursor *cursor = to_sti_cursor(plane);
- return cursor_debugfs_init(cursor, drm_plane->dev->primary);
+ cursor_debugfs_init(cursor, drm_plane->dev->primary);
+
+ return 0;
}
static const struct drm_plane_funcs sti_cursor_plane_helpers_funcs = {
diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
index 50870d8cbb76..3f9db3e3f397 100644
--- a/drivers/gpu/drm/sti/sti_drv.c
+++ b/drivers/gpu/drm/sti/sti_drv.c
@@ -92,24 +92,16 @@ static struct drm_info_list sti_drm_dbg_list[] = {
{"fps_get", sti_drm_fps_dbg_show, 0},
};
-static int sti_drm_dbg_init(struct drm_minor *minor)
+static void sti_drm_dbg_init(struct drm_minor *minor)
{
- int ret;
-
- ret = drm_debugfs_create_files(sti_drm_dbg_list,
- ARRAY_SIZE(sti_drm_dbg_list),
- minor->debugfs_root, minor);
- if (ret)
- goto err;
+ drm_debugfs_create_files(sti_drm_dbg_list,
+ ARRAY_SIZE(sti_drm_dbg_list),
+ minor->debugfs_root, minor);
debugfs_create_file("fps_show", S_IRUGO | S_IWUSR, minor->debugfs_root,
minor->dev, &sti_drm_fps_fops);
DRM_INFO("%s: debugfs installed\n", DRIVER_NAME);
- return 0;
-err:
- DRM_ERROR("%s: cannot install debugfs\n", DRIVER_NAME);
- return ret;
}
static const struct drm_mode_config_funcs sti_mode_config_funcs = {
diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c
index 3d04bfca21a0..de4af7735c46 100644
--- a/drivers/gpu/drm/sti/sti_dvo.c
+++ b/drivers/gpu/drm/sti/sti_dvo.c
@@ -196,16 +196,16 @@ static struct drm_info_list dvo_debugfs_files[] = {
{ "dvo", dvo_dbg_show, 0, NULL },
};
-static int dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor)
+static void dvo_debugfs_init(struct sti_dvo *dvo, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(dvo_debugfs_files); i++)
dvo_debugfs_files[i].data = dvo;
- return drm_debugfs_create_files(dvo_debugfs_files,
- ARRAY_SIZE(dvo_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(dvo_debugfs_files,
+ ARRAY_SIZE(dvo_debugfs_files),
+ minor->debugfs_root, minor);
}
static void sti_dvo_disable(struct drm_bridge *bridge)
@@ -405,10 +405,7 @@ static int sti_dvo_late_register(struct drm_connector *connector)
= to_sti_dvo_connector(connector);
struct sti_dvo *dvo = dvo_connector->dvo;
- if (dvo_debugfs_init(dvo, dvo->drm_dev->primary)) {
- DRM_ERROR("DVO debugfs setup failed\n");
- return -EINVAL;
- }
+ dvo_debugfs_init(dvo, dvo->drm_dev->primary);
return 0;
}
diff --git a/drivers/gpu/drm/sti/sti_gdp.c b/drivers/gpu/drm/sti/sti_gdp.c
index 11595c748844..2d5a2b5b78b8 100644
--- a/drivers/gpu/drm/sti/sti_gdp.c
+++ b/drivers/gpu/drm/sti/sti_gdp.c
@@ -343,9 +343,10 @@ static int gdp_debugfs_init(struct sti_gdp *gdp, struct drm_minor *minor)
for (i = 0; i < nb_files; i++)
gdp_debugfs_files[i].data = gdp;
- return drm_debugfs_create_files(gdp_debugfs_files,
- nb_files,
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(gdp_debugfs_files,
+ nb_files,
+ minor->debugfs_root, minor);
+ return 0;
}
static int sti_gdp_fourcc2format(int fourcc)
diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c
index f3f28d79b0e4..a1ec891eaf3a 100644
--- a/drivers/gpu/drm/sti/sti_hda.c
+++ b/drivers/gpu/drm/sti/sti_hda.c
@@ -367,16 +367,16 @@ static struct drm_info_list hda_debugfs_files[] = {
{ "hda", hda_dbg_show, 0, NULL },
};
-static int hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor)
+static void hda_debugfs_init(struct sti_hda *hda, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(hda_debugfs_files); i++)
hda_debugfs_files[i].data = hda;
- return drm_debugfs_create_files(hda_debugfs_files,
- ARRAY_SIZE(hda_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(hda_debugfs_files,
+ ARRAY_SIZE(hda_debugfs_files),
+ minor->debugfs_root, minor);
}
/**
@@ -643,10 +643,7 @@ static int sti_hda_late_register(struct drm_connector *connector)
= to_sti_hda_connector(connector);
struct sti_hda *hda = hda_connector->hda;
- if (hda_debugfs_init(hda, hda->drm_dev->primary)) {
- DRM_ERROR("HDA debugfs setup failed\n");
- return -EINVAL;
- }
+ hda_debugfs_init(hda, hda->drm_dev->primary);
return 0;
}
diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c
index 18eaf786ffa4..5b15c4974e6b 100644
--- a/drivers/gpu/drm/sti/sti_hdmi.c
+++ b/drivers/gpu/drm/sti/sti_hdmi.c
@@ -727,16 +727,16 @@ static struct drm_info_list hdmi_debugfs_files[] = {
{ "hdmi", hdmi_dbg_show, 0, NULL },
};
-static int hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
+static void hdmi_debugfs_init(struct sti_hdmi *hdmi, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(hdmi_debugfs_files); i++)
hdmi_debugfs_files[i].data = hdmi;
- return drm_debugfs_create_files(hdmi_debugfs_files,
- ARRAY_SIZE(hdmi_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(hdmi_debugfs_files,
+ ARRAY_SIZE(hdmi_debugfs_files),
+ minor->debugfs_root, minor);
}
static void sti_hdmi_disable(struct drm_bridge *bridge)
@@ -1113,10 +1113,7 @@ static int sti_hdmi_late_register(struct drm_connector *connector)
= to_sti_hdmi_connector(connector);
struct sti_hdmi *hdmi = hdmi_connector->hdmi;
- if (hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary)) {
- DRM_ERROR("HDMI debugfs setup failed\n");
- return -EINVAL;
- }
+ hdmi_debugfs_init(hdmi, hdmi->drm_dev->primary);
return 0;
}
diff --git a/drivers/gpu/drm/sti/sti_hqvdp.c b/drivers/gpu/drm/sti/sti_hqvdp.c
index 1015abe0ce08..5a4e12194a77 100644
--- a/drivers/gpu/drm/sti/sti_hqvdp.c
+++ b/drivers/gpu/drm/sti/sti_hqvdp.c
@@ -639,16 +639,16 @@ static struct drm_info_list hqvdp_debugfs_files[] = {
{ "hqvdp", hqvdp_dbg_show, 0, NULL },
};
-static int hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor)
+static void hqvdp_debugfs_init(struct sti_hqvdp *hqvdp, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(hqvdp_debugfs_files); i++)
hqvdp_debugfs_files[i].data = hqvdp;
- return drm_debugfs_create_files(hqvdp_debugfs_files,
- ARRAY_SIZE(hqvdp_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(hqvdp_debugfs_files,
+ ARRAY_SIZE(hqvdp_debugfs_files),
+ minor->debugfs_root, minor);
}
/**
@@ -1274,7 +1274,9 @@ static int sti_hqvdp_late_register(struct drm_plane *drm_plane)
struct sti_plane *plane = to_sti_plane(drm_plane);
struct sti_hqvdp *hqvdp = to_sti_hqvdp(plane);
- return hqvdp_debugfs_init(hqvdp, drm_plane->dev->primary);
+ hqvdp_debugfs_init(hqvdp, drm_plane->dev->primary);
+
+ return 0;
}
static const struct drm_plane_funcs sti_hqvdp_plane_helpers_funcs = {
diff --git a/drivers/gpu/drm/sti/sti_mixer.c b/drivers/gpu/drm/sti/sti_mixer.c
index c3a3e1e5fc8a..7e5f14646625 100644
--- a/drivers/gpu/drm/sti/sti_mixer.c
+++ b/drivers/gpu/drm/sti/sti_mixer.c
@@ -178,7 +178,7 @@ static struct drm_info_list mixer1_debugfs_files[] = {
{ "mixer_aux", mixer_dbg_show, 0, NULL },
};
-int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor)
+void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor)
{
unsigned int i;
struct drm_info_list *mixer_debugfs_files;
@@ -194,15 +194,15 @@ int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor)
nb_files = ARRAY_SIZE(mixer1_debugfs_files);
break;
default:
- return -EINVAL;
+ return;
}
for (i = 0; i < nb_files; i++)
mixer_debugfs_files[i].data = mixer;
- return drm_debugfs_create_files(mixer_debugfs_files,
- nb_files,
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(mixer_debugfs_files,
+ nb_files,
+ minor->debugfs_root, minor);
}
void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable)
diff --git a/drivers/gpu/drm/sti/sti_mixer.h b/drivers/gpu/drm/sti/sti_mixer.h
index d9544246913a..ab06beb7b258 100644
--- a/drivers/gpu/drm/sti/sti_mixer.h
+++ b/drivers/gpu/drm/sti/sti_mixer.h
@@ -58,7 +58,7 @@ int sti_mixer_active_video_area(struct sti_mixer *mixer,
void sti_mixer_set_background_status(struct sti_mixer *mixer, bool enable);
-int sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
+void sti_mixer_debugfs_init(struct sti_mixer *mixer, struct drm_minor *minor);
/* depth in Cross-bar control = z order */
#define GAM_MIXER_NB_DEPTH_LEVEL 6
diff --git a/drivers/gpu/drm/sti/sti_tvout.c b/drivers/gpu/drm/sti/sti_tvout.c
index c36a8da373cb..df3817f0fd30 100644
--- a/drivers/gpu/drm/sti/sti_tvout.c
+++ b/drivers/gpu/drm/sti/sti_tvout.c
@@ -570,16 +570,16 @@ static struct drm_info_list tvout_debugfs_files[] = {
{ "tvout", tvout_dbg_show, 0, NULL },
};
-static int tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor)
+static void tvout_debugfs_init(struct sti_tvout *tvout, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(tvout_debugfs_files); i++)
tvout_debugfs_files[i].data = tvout;
- return drm_debugfs_create_files(tvout_debugfs_files,
- ARRAY_SIZE(tvout_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(tvout_debugfs_files,
+ ARRAY_SIZE(tvout_debugfs_files),
+ minor->debugfs_root, minor);
}
static void sti_tvout_encoder_dpms(struct drm_encoder *encoder, int mode)
@@ -603,14 +603,11 @@ static void sti_tvout_encoder_destroy(struct drm_encoder *encoder)
static int sti_tvout_late_register(struct drm_encoder *encoder)
{
struct sti_tvout *tvout = to_sti_tvout(encoder);
- int ret;
if (tvout->debugfs_registered)
return 0;
- ret = tvout_debugfs_init(tvout, encoder->dev->primary);
- if (ret)
- return ret;
+ tvout_debugfs_init(tvout, encoder->dev->primary);
tvout->debugfs_registered = true;
return 0;
diff --git a/drivers/gpu/drm/sti/sti_vid.c b/drivers/gpu/drm/sti/sti_vid.c
index 2d4230410464..2d818397918d 100644
--- a/drivers/gpu/drm/sti/sti_vid.c
+++ b/drivers/gpu/drm/sti/sti_vid.c
@@ -124,16 +124,16 @@ static struct drm_info_list vid_debugfs_files[] = {
{ "vid", vid_dbg_show, 0, NULL },
};
-int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor)
+void vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(vid_debugfs_files); i++)
vid_debugfs_files[i].data = vid;
- return drm_debugfs_create_files(vid_debugfs_files,
- ARRAY_SIZE(vid_debugfs_files),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(vid_debugfs_files,
+ ARRAY_SIZE(vid_debugfs_files),
+ minor->debugfs_root, minor);
}
void sti_vid_commit(struct sti_vid *vid,
diff --git a/drivers/gpu/drm/sti/sti_vid.h b/drivers/gpu/drm/sti/sti_vid.h
index 9dbd78461de1..991849ba50b5 100644
--- a/drivers/gpu/drm/sti/sti_vid.h
+++ b/drivers/gpu/drm/sti/sti_vid.h
@@ -26,6 +26,6 @@ void sti_vid_disable(struct sti_vid *vid);
struct sti_vid *sti_vid_create(struct device *dev, struct drm_device *drm_dev,
int id, void __iomem *baseaddr);
-int vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor);
+void vid_debugfs_init(struct sti_vid *vid, struct drm_minor *minor);
#endif
diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
index ea9fcbdc68b3..0f85dd86cafa 100644
--- a/drivers/gpu/drm/stm/drv.c
+++ b/drivers/gpu/drm/stm/drv.c
@@ -88,7 +88,9 @@ static int drv_load(struct drm_device *ddev)
ddev->dev_private = (void *)ldev;
- drm_mode_config_init(ddev);
+ ret = drmm_mode_config_init(ddev);
+ if (ret)
+ return ret;
/*
* set max width and height as default value.
@@ -103,7 +105,7 @@ static int drv_load(struct drm_device *ddev)
ret = ltdc_load(ddev);
if (ret)
- goto err;
+ return ret;
drm_mode_config_reset(ddev);
drm_kms_helper_poll_init(ddev);
@@ -111,9 +113,6 @@ static int drv_load(struct drm_device *ddev)
platform_set_drvdata(pdev, ddev);
return 0;
-err:
- drm_mode_config_cleanup(ddev);
- return ret;
}
static void drv_unload(struct drm_device *ddev)
@@ -122,7 +121,6 @@ static void drv_unload(struct drm_device *ddev)
drm_kms_helper_poll_fini(ddev);
ltdc_unload(ddev);
- drm_mode_config_cleanup(ddev);
}
static __maybe_unused int drv_suspend(struct device *dev)
diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index df585fe64f61..f894968d6e45 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -42,8 +42,6 @@
#define MAX_IRQ 4
-#define MAX_ENDPOINTS 2
-
#define HWVER_10200 0x010200
#define HWVER_10300 0x010300
#define HWVER_20101 0x020101
@@ -1201,36 +1199,20 @@ int ltdc_load(struct drm_device *ddev)
struct ltdc_device *ldev = ddev->dev_private;
struct device *dev = ddev->dev;
struct device_node *np = dev->of_node;
- struct drm_bridge *bridge[MAX_ENDPOINTS] = {NULL};
- struct drm_panel *panel[MAX_ENDPOINTS] = {NULL};
+ struct drm_bridge *bridge;
+ struct drm_panel *panel;
struct drm_crtc *crtc;
struct reset_control *rstc;
struct resource *res;
- int irq, ret, i, endpoint_not_ready = -ENODEV;
+ int irq, i, nb_endpoints;
+ int ret = -ENODEV;
DRM_DEBUG_DRIVER("\n");
- /* Get endpoints if any */
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- ret = drm_of_find_panel_or_bridge(np, 0, i, &panel[i],
- &bridge[i]);
-
- /*
- * If at least one endpoint is -EPROBE_DEFER, defer probing,
- * else if at least one endpoint is ready, continue probing.
- */
- if (ret == -EPROBE_DEFER)
- return ret;
- else if (!ret)
- endpoint_not_ready = 0;
- }
-
- if (endpoint_not_ready)
- return endpoint_not_ready;
-
- rstc = devm_reset_control_get_exclusive(dev, NULL);
-
- mutex_init(&ldev->err_lock);
+ /* Get number of endpoints */
+ nb_endpoints = of_graph_get_endpoint_count(np);
+ if (!nb_endpoints)
+ return -ENODEV;
ldev->pixel_clk = devm_clk_get(dev, "lcd");
if (IS_ERR(ldev->pixel_clk)) {
@@ -1244,6 +1226,43 @@ int ltdc_load(struct drm_device *ddev)
return -ENODEV;
}
+ /* Get endpoints if any */
+ for (i = 0; i < nb_endpoints; i++) {
+ ret = drm_of_find_panel_or_bridge(np, 0, i, &panel, &bridge);
+
+ /*
+ * If at least one endpoint is -ENODEV, continue probing,
+ * else if at least one endpoint returned an error
+ * (ie -EPROBE_DEFER) then stop probing.
+ */
+ if (ret == -ENODEV)
+ continue;
+ else if (ret)
+ goto err;
+
+ if (panel) {
+ bridge = drm_panel_bridge_add_typed(panel,
+ DRM_MODE_CONNECTOR_DPI);
+ if (IS_ERR(bridge)) {
+ DRM_ERROR("panel-bridge endpoint %d\n", i);
+ ret = PTR_ERR(bridge);
+ goto err;
+ }
+ }
+
+ if (bridge) {
+ ret = ltdc_encoder_init(ddev, bridge);
+ if (ret) {
+ DRM_ERROR("init encoder endpoint %d\n", i);
+ goto err;
+ }
+ }
+ }
+
+ rstc = devm_reset_control_get_exclusive(dev, NULL);
+
+ mutex_init(&ldev->err_lock);
+
if (!IS_ERR(rstc)) {
reset_control_assert(rstc);
usleep_range(10, 20);
@@ -1285,27 +1304,7 @@ int ltdc_load(struct drm_device *ddev)
DRM_ERROR("Failed to register LTDC interrupt\n");
goto err;
}
- }
- /* Add endpoints panels or bridges if any */
- for (i = 0; i < MAX_ENDPOINTS; i++) {
- if (panel[i]) {
- bridge[i] = drm_panel_bridge_add_typed(panel[i],
- DRM_MODE_CONNECTOR_DPI);
- if (IS_ERR(bridge[i])) {
- DRM_ERROR("panel-bridge endpoint %d\n", i);
- ret = PTR_ERR(bridge[i]);
- goto err;
- }
- }
-
- if (bridge[i]) {
- ret = ltdc_encoder_init(ddev, bridge[i]);
- if (ret) {
- DRM_ERROR("init encoder endpoint %d\n", i);
- goto err;
- }
- }
}
crtc = devm_kzalloc(dev, sizeof(*crtc), GFP_KERNEL);
@@ -1340,8 +1339,8 @@ int ltdc_load(struct drm_device *ddev)
return 0;
err:
- for (i = 0; i < MAX_ENDPOINTS; i++)
- drm_panel_bridge_remove(bridge[i]);
+ for (i = 0; i < nb_endpoints; i++)
+ drm_of_panel_bridge_remove(ddev->dev->of_node, 0, i);
clk_disable_unprepare(ldev->pixel_clk);
@@ -1350,11 +1349,14 @@ err:
void ltdc_unload(struct drm_device *ddev)
{
- int i;
+ struct device *dev = ddev->dev;
+ int nb_endpoints, i;
DRM_DEBUG_DRIVER("\n");
- for (i = 0; i < MAX_ENDPOINTS; i++)
+ nb_endpoints = of_graph_get_endpoint_count(dev->of_node);
+
+ for (i = 0; i < nb_endpoints; i++)
drm_of_panel_bridge_remove(ddev->dev->of_node, 0, i);
pm_runtime_disable(ddev->dev);
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 126e1517ade2..ce07ddc3e058 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -22,6 +22,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun4i_backend.h"
#include "sun4i_crtc.h"
@@ -204,10 +205,6 @@ static const struct drm_encoder_helper_funcs sun4i_hdmi_helper_funcs = {
.mode_valid = sun4i_hdmi_mode_valid,
};
-static const struct drm_encoder_funcs sun4i_hdmi_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int sun4i_hdmi_get_modes(struct drm_connector *connector)
{
struct sun4i_hdmi *hdmi = drm_connector_to_sun4i_hdmi(connector);
@@ -611,11 +608,8 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master,
drm_encoder_helper_add(&hdmi->encoder,
&sun4i_hdmi_helper_funcs);
- ret = drm_encoder_init(drm,
- &hdmi->encoder,
- &sun4i_hdmi_funcs,
- DRM_MODE_ENCODER_TMDS,
- NULL);
+ ret = drm_simple_encoder_init(drm, &hdmi->encoder,
+ DRM_MODE_ENCODER_TMDS);
if (ret) {
dev_err(dev, "Couldn't initialise the HDMI encoder\n");
goto err_put_ddc_i2c;
diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c
index 26e5c7ceb8ff..ffda3184aa12 100644
--- a/drivers/gpu/drm/sun4i/sun4i_lvds.c
+++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c
@@ -12,6 +12,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun4i_crtc.h"
#include "sun4i_tcon.h"
@@ -96,10 +97,6 @@ static const struct drm_encoder_helper_funcs sun4i_lvds_enc_helper_funcs = {
.enable = sun4i_lvds_encoder_enable,
};
-static const struct drm_encoder_funcs sun4i_lvds_enc_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
{
struct drm_encoder *encoder;
@@ -121,11 +118,8 @@ int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
drm_encoder_helper_add(&lvds->encoder,
&sun4i_lvds_enc_helper_funcs);
- ret = drm_encoder_init(drm,
- &lvds->encoder,
- &sun4i_lvds_enc_funcs,
- DRM_MODE_ENCODER_LVDS,
- NULL);
+ ret = drm_simple_encoder_init(drm, &lvds->encoder,
+ DRM_MODE_ENCODER_LVDS);
if (ret) {
dev_err(drm->dev, "Couldn't initialise the lvds encoder\n");
goto err_out;
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index 3b23d5be3cf3..5a7d43939ae6 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -14,6 +14,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun4i_crtc.h"
#include "sun4i_tcon.h"
@@ -188,15 +189,6 @@ static struct drm_encoder_helper_funcs sun4i_rgb_enc_helper_funcs = {
.mode_valid = sun4i_rgb_mode_valid,
};
-static void sun4i_rgb_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static struct drm_encoder_funcs sun4i_rgb_enc_funcs = {
- .destroy = sun4i_rgb_enc_destroy,
-};
-
int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
{
struct drm_encoder *encoder;
@@ -218,11 +210,8 @@ int sun4i_rgb_init(struct drm_device *drm, struct sun4i_tcon *tcon)
drm_encoder_helper_add(&rgb->encoder,
&sun4i_rgb_enc_helper_funcs);
- ret = drm_encoder_init(drm,
- &rgb->encoder,
- &sun4i_rgb_enc_funcs,
- DRM_MODE_ENCODER_NONE,
- NULL);
+ ret = drm_simple_encoder_init(drm, &rgb->encoder,
+ DRM_MODE_ENCODER_NONE);
if (ret) {
dev_err(drm->dev, "Couldn't initialise the rgb encoder\n");
goto err_out;
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 624437b27cdc..359b56e43b83 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -812,10 +812,8 @@ static int sun4i_tcon_init_irq(struct device *dev,
int irq, ret;
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "Couldn't retrieve the TCON interrupt\n");
+ if (irq < 0)
return irq;
- }
ret = devm_request_irq(dev, irq, sun4i_tcon_handler, 0,
dev_name(dev), tcon);
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index 39c15282e448..63f4428ac3bf 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -19,6 +19,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun4i_crtc.h"
#include "sun4i_drv.h"
@@ -473,15 +474,6 @@ static struct drm_encoder_helper_funcs sun4i_tv_helper_funcs = {
.mode_set = sun4i_tv_mode_set,
};
-static void sun4i_tv_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static struct drm_encoder_funcs sun4i_tv_funcs = {
- .destroy = sun4i_tv_destroy,
-};
-
static int sun4i_tv_comp_get_modes(struct drm_connector *connector)
{
int i;
@@ -592,11 +584,8 @@ static int sun4i_tv_bind(struct device *dev, struct device *master,
drm_encoder_helper_add(&tv->encoder,
&sun4i_tv_helper_funcs);
- ret = drm_encoder_init(drm,
- &tv->encoder,
- &sun4i_tv_funcs,
- DRM_MODE_ENCODER_TVDAC,
- NULL);
+ ret = drm_simple_encoder_init(drm, &tv->encoder,
+ DRM_MODE_ENCODER_TVDAC);
if (ret) {
dev_err(dev, "Couldn't initialise the TV encoder\n");
goto err_disable_clk;
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index 059939789730..aa67cb037e9d 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -24,6 +24,7 @@
#include <drm/drm_panel.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun4i_crtc.h"
#include "sun4i_tcon.h"
@@ -717,7 +718,7 @@ static void sun6i_dsi_encoder_enable(struct drm_encoder *encoder)
struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
struct sun6i_dsi *dsi = encoder_to_sun6i_dsi(encoder);
struct mipi_dsi_device *device = dsi->device;
- union phy_configure_opts opts = { 0 };
+ union phy_configure_opts opts = { };
struct phy_configure_opts_mipi_dphy *cfg = &opts.mipi_dphy;
u16 delay;
int err;
@@ -846,10 +847,6 @@ static const struct drm_encoder_helper_funcs sun6i_dsi_enc_helper_funcs = {
.enable = sun6i_dsi_encoder_enable,
};
-static const struct drm_encoder_funcs sun6i_dsi_enc_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static u32 sun6i_dsi_dcs_build_pkt_hdr(struct sun6i_dsi *dsi,
const struct mipi_dsi_msg *msg)
{
@@ -1062,11 +1059,8 @@ static int sun6i_dsi_bind(struct device *dev, struct device *master,
drm_encoder_helper_add(&dsi->encoder,
&sun6i_dsi_enc_helper_funcs);
- ret = drm_encoder_init(drm,
- &dsi->encoder,
- &sun6i_dsi_enc_funcs,
- DRM_MODE_ENCODER_DSI,
- NULL);
+ ret = drm_simple_encoder_init(drm, &dsi->encoder,
+ DRM_MODE_ENCODER_DSI);
if (ret) {
dev_err(dsi->dev, "Couldn't initialise the DSI encoder\n");
return ret;
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
index e8a317d5ba19..972682bb8000 100644
--- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
+++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
@@ -10,6 +10,7 @@
#include <drm/drm_crtc_helper.h>
#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "sun8i_dw_hdmi.h"
#include "sun8i_tcon_top.h"
@@ -29,10 +30,6 @@ sun8i_dw_hdmi_encoder_helper_funcs = {
.mode_set = sun8i_dw_hdmi_encoder_mode_set,
};
-static const struct drm_encoder_funcs sun8i_dw_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static enum drm_mode_status
sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector,
const struct drm_display_mode *mode)
@@ -220,8 +217,7 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master,
}
drm_encoder_helper_add(encoder, &sun8i_dw_hdmi_encoder_helper_funcs);
- drm_encoder_init(drm, encoder, &sun8i_dw_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
sun8i_hdmi_phy_init(hdmi->phy);
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index 4a64f7ae437a..56cc037fd312 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -27,314 +27,225 @@
#include "sun8i_vi_layer.h"
#include "sunxi_engine.h"
+struct de2_fmt_info {
+ u32 drm_fmt;
+ u32 de2_fmt;
+};
+
static const struct de2_fmt_info de2_formats[] = {
{
.drm_fmt = DRM_FORMAT_ARGB8888,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ABGR8888,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGBA8888,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGRA8888,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_XRGB8888,
.de2_fmt = SUN8I_MIXER_FBFMT_XRGB8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_XBGR8888,
.de2_fmt = SUN8I_MIXER_FBFMT_XBGR8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGBX8888,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBX8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGRX8888,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRX8888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGB888,
.de2_fmt = SUN8I_MIXER_FBFMT_RGB888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGR888,
.de2_fmt = SUN8I_MIXER_FBFMT_BGR888,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGB565,
.de2_fmt = SUN8I_MIXER_FBFMT_RGB565,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGR565,
.de2_fmt = SUN8I_MIXER_FBFMT_BGR565,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ARGB4444,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_XRGB4444,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ABGR4444,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_XBGR4444,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGBA4444,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_RGBX4444,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGRA4444,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_BGRX4444,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA4444,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ARGB1555,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_XRGB1555,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB1555,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ABGR1555,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_XBGR1555,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR1555,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGBA5551,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_RGBX5551,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA5551,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGRA5551,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
/* for DE2 VI layer which ignores alpha */
.drm_fmt = DRM_FORMAT_BGRX5551,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA5551,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ARGB2101010,
.de2_fmt = SUN8I_MIXER_FBFMT_ARGB2101010,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_ABGR2101010,
.de2_fmt = SUN8I_MIXER_FBFMT_ABGR2101010,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_RGBA1010102,
.de2_fmt = SUN8I_MIXER_FBFMT_RGBA1010102,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_BGRA1010102,
.de2_fmt = SUN8I_MIXER_FBFMT_BGRA1010102,
- .rgb = true,
- .csc = SUN8I_CSC_MODE_OFF,
},
{
.drm_fmt = DRM_FORMAT_UYVY,
.de2_fmt = SUN8I_MIXER_FBFMT_UYVY,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_VYUY,
.de2_fmt = SUN8I_MIXER_FBFMT_VYUY,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YUYV,
.de2_fmt = SUN8I_MIXER_FBFMT_YUYV,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YVYU,
.de2_fmt = SUN8I_MIXER_FBFMT_YVYU,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_NV16,
.de2_fmt = SUN8I_MIXER_FBFMT_NV16,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_NV61,
.de2_fmt = SUN8I_MIXER_FBFMT_NV61,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_NV12,
.de2_fmt = SUN8I_MIXER_FBFMT_NV12,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_NV21,
.de2_fmt = SUN8I_MIXER_FBFMT_NV21,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YUV422,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YUV420,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YUV411,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_YVU422,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV422,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YVU2RGB,
},
{
.drm_fmt = DRM_FORMAT_YVU420,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV420,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YVU2RGB,
},
{
.drm_fmt = DRM_FORMAT_YVU411,
.de2_fmt = SUN8I_MIXER_FBFMT_YUV411,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YVU2RGB,
},
{
.drm_fmt = DRM_FORMAT_P010,
.de2_fmt = SUN8I_MIXER_FBFMT_P010_YUV,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
{
.drm_fmt = DRM_FORMAT_P210,
.de2_fmt = SUN8I_MIXER_FBFMT_P210_YUV,
- .rgb = false,
- .csc = SUN8I_CSC_MODE_YUV2RGB,
},
};
-const struct de2_fmt_info *sun8i_mixer_format_info(u32 format)
+int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(de2_formats); ++i)
- if (de2_formats[i].drm_fmt == format)
- return &de2_formats[i];
+ if (de2_formats[i].drm_fmt == format) {
+ *hw_format = de2_formats[i].de2_fmt;
+ return 0;
+ }
- return NULL;
+ return -EINVAL;
}
static void sun8i_mixer_commit(struct sunxi_engine *engine)
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.h b/drivers/gpu/drm/sun4i/sun8i_mixer.h
index 345b28b0a80a..7576b523fdbb 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.h
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.h
@@ -10,7 +10,6 @@
#include <linux/regmap.h>
#include <linux/reset.h>
-#include "sun8i_csc.h"
#include "sunxi_engine.h"
#define SUN8I_MIXER_SIZE(w, h) (((h) - 1) << 16 | ((w) - 1))
@@ -144,13 +143,6 @@
#define SUN50I_MIXER_CDC0_EN 0xd0000
#define SUN50I_MIXER_CDC1_EN 0xd8000
-struct de2_fmt_info {
- u32 drm_fmt;
- u32 de2_fmt;
- bool rgb;
- enum sun8i_csc_mode csc;
-};
-
/**
* struct sun8i_mixer_cfg - mixer HW configuration
* @vi_num: number of VI channels
@@ -210,5 +202,5 @@ sun8i_channel_base(struct sun8i_mixer *mixer, int channel)
return DE2_CH_BASE + channel * DE2_CH_SIZE;
}
-const struct de2_fmt_info *sun8i_mixer_format_info(u32 format);
+int sun8i_mixer_drm_format_to_hw(u32 format, u32 *hw_format);
#endif /* _SUN8I_MIXER_H_ */
diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
index c87fd842918e..54f937a7d5e7 100644
--- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
@@ -19,8 +19,8 @@
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
-#include "sun8i_ui_layer.h"
#include "sun8i_mixer.h"
+#include "sun8i_ui_layer.h"
#include "sun8i_ui_scaler.h"
static void sun8i_ui_layer_enable(struct sun8i_mixer *mixer, int channel,
@@ -174,18 +174,20 @@ static int sun8i_ui_layer_update_formats(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane)
{
struct drm_plane_state *state = plane->state;
- const struct de2_fmt_info *fmt_info;
- u32 val, ch_base;
+ const struct drm_format_info *fmt;
+ u32 val, ch_base, hw_fmt;
+ int ret;
ch_base = sun8i_channel_base(mixer, channel);
- fmt_info = sun8i_mixer_format_info(state->fb->format->format);
- if (!fmt_info || !fmt_info->rgb) {
+ fmt = state->fb->format;
+ ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
+ if (ret || fmt->is_yuv) {
DRM_DEBUG_DRIVER("Invalid format\n");
return -EINVAL;
}
- val = fmt_info->de2_fmt << SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET;
+ val = hw_fmt << SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET;
regmap_update_bits(mixer->engine.regs,
SUN8I_MIXER_CHAN_UI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_MASK, val);
diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index b8398ca18b0f..22c8c5375d0d 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -12,8 +12,9 @@
#include <drm/drm_plane_helper.h>
#include <drm/drm_probe_helper.h>
-#include "sun8i_vi_layer.h"
+#include "sun8i_csc.h"
#include "sun8i_mixer.h"
+#include "sun8i_vi_layer.h"
#include "sun8i_vi_scaler.h"
static void sun8i_vi_layer_enable(struct sun8i_mixer *mixer, int channel,
@@ -210,28 +211,47 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel,
return 0;
}
+static bool sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
+{
+ if (!format->is_yuv)
+ return SUN8I_CSC_MODE_OFF;
+
+ switch (format->format) {
+ case DRM_FORMAT_YVU411:
+ case DRM_FORMAT_YVU420:
+ case DRM_FORMAT_YVU422:
+ case DRM_FORMAT_YVU444:
+ return SUN8I_CSC_MODE_YVU2RGB;
+ default:
+ return SUN8I_CSC_MODE_YUV2RGB;
+ }
+}
+
static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
int overlay, struct drm_plane *plane)
{
struct drm_plane_state *state = plane->state;
- const struct de2_fmt_info *fmt_info;
- u32 val, ch_base;
+ u32 val, ch_base, csc_mode, hw_fmt;
+ const struct drm_format_info *fmt;
+ int ret;
ch_base = sun8i_channel_base(mixer, channel);
- fmt_info = sun8i_mixer_format_info(state->fb->format->format);
- if (!fmt_info) {
+ fmt = state->fb->format;
+ ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
+ if (ret) {
DRM_DEBUG_DRIVER("Invalid format\n");
- return -EINVAL;
+ return ret;
}
- val = fmt_info->de2_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET;
+ val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET;
regmap_update_bits(mixer->engine.regs,
SUN8I_MIXER_CHAN_VI_LAYER_ATTR(ch_base, overlay),
SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_MASK, val);
- if (fmt_info->csc != SUN8I_CSC_MODE_OFF) {
- sun8i_csc_set_ccsc_coefficients(mixer, channel, fmt_info->csc,
+ csc_mode = sun8i_vi_layer_get_csc_mode(fmt);
+ if (csc_mode != SUN8I_CSC_MODE_OFF) {
+ sun8i_csc_set_ccsc_coefficients(mixer, channel, csc_mode,
state->color_encoding,
state->color_range);
sun8i_csc_enable_ccsc(mixer, channel, true);
@@ -239,7 +259,7 @@ static int sun8i_vi_layer_update_formats(struct sun8i_mixer *mixer, int channel,
sun8i_csc_enable_ccsc(mixer, channel, false);
}
- if (fmt_info->rgb)
+ if (!fmt->is_yuv)
val = SUN8I_MIXER_CHAN_VI_LAYER_ATTR_RGB_MODE;
else
val = 0;
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 1a7b08f35776..83f31c6e891c 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1496,7 +1496,6 @@ static int tegra_dc_late_register(struct drm_crtc *crtc)
struct drm_minor *minor = crtc->dev->primary;
struct dentry *root;
struct tegra_dc *dc = to_tegra_dc(crtc);
- int err;
#ifdef CONFIG_DEBUG_FS
root = crtc->debugfs_entry;
@@ -1512,17 +1511,9 @@ static int tegra_dc_late_register(struct drm_crtc *crtc)
for (i = 0; i < count; i++)
dc->debugfs_files[i].data = dc;
- err = drm_debugfs_create_files(dc->debugfs_files, count, root, minor);
- if (err < 0)
- goto free;
+ drm_debugfs_create_files(dc->debugfs_files, count, root, minor);
return 0;
-
-free:
- kfree(dc->debugfs_files);
- dc->debugfs_files = NULL;
-
- return err;
}
static void tegra_dc_early_unregister(struct drm_crtc *crtc)
diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 7dfb50f65067..105fb9cdbb3b 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -5,12 +5,10 @@
#include <linux/clk.h>
#include <linux/delay.h>
-#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index bd268028fb3d..211906347f3f 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -839,11 +839,11 @@ static struct drm_info_list tegra_debugfs_list[] = {
{ "iova", tegra_debugfs_iova, 0 },
};
-static int tegra_debugfs_init(struct drm_minor *minor)
+static void tegra_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(tegra_debugfs_list,
- ARRAY_SIZE(tegra_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(tegra_debugfs_list,
+ ARRAY_SIZE(tegra_debugfs_list),
+ minor->debugfs_root, minor);
}
#endif
@@ -1039,6 +1039,7 @@ void tegra_drm_free(struct tegra_drm *tegra, size_t size, void *virt,
static bool host1x_drm_wants_iommu(struct host1x_device *dev)
{
+ struct host1x *host1x = dev_get_drvdata(dev->dev.parent);
struct iommu_domain *domain;
/*
@@ -1076,7 +1077,7 @@ static bool host1x_drm_wants_iommu(struct host1x_device *dev)
* sufficient and whether or not the host1x is attached to an IOMMU
* doesn't matter.
*/
- if (!domain && dma_get_mask(dev->dev.parent) <= DMA_BIT_MASK(32))
+ if (!domain && host1x_get_dma_mask(host1x) <= DMA_BIT_MASK(32))
return true;
return domain != NULL;
diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index ed99b67deb29..b25443255be6 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -9,7 +9,7 @@
#include <linux/host1x.h>
#include <linux/iova.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
#include <drm/drm_atomic.h>
#include <drm/drm_edid.h>
@@ -152,8 +152,6 @@ enum drm_connector_status
tegra_output_connector_detect(struct drm_connector *connector, bool force);
void tegra_output_connector_destroy(struct drm_connector *connector);
-void tegra_output_encoder_destroy(struct drm_encoder *encoder);
-
/* from dpaux.c */
struct drm_dp_aux *drm_dp_aux_find_by_of_node(struct device_node *np);
enum drm_connector_status drm_dp_aux_detect(struct drm_dp_aux *aux);
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 88b9d64c77bf..38beab9ab4f8 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -22,6 +22,7 @@
#include <drm/drm_file.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
+#include <drm/drm_simple_kms_helper.h>
#include "dc.h"
#include "drm.h"
@@ -234,7 +235,6 @@ static int tegra_dsi_late_register(struct drm_connector *connector)
struct drm_minor *minor = connector->dev->primary;
struct dentry *root = connector->debugfs_entry;
struct tegra_dsi *dsi = to_dsi(output);
- int err;
dsi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
GFP_KERNEL);
@@ -244,17 +244,9 @@ static int tegra_dsi_late_register(struct drm_connector *connector)
for (i = 0; i < count; i++)
dsi->debugfs_files[i].data = dsi;
- err = drm_debugfs_create_files(dsi->debugfs_files, count, root, minor);
- if (err < 0)
- goto free;
+ drm_debugfs_create_files(dsi->debugfs_files, count, root, minor);
return 0;
-
-free:
- kfree(dsi->debugfs_files);
- dsi->debugfs_files = NULL;
-
- return err;
}
static void tegra_dsi_early_unregister(struct drm_connector *connector)
@@ -824,10 +816,6 @@ static const struct drm_connector_helper_funcs tegra_dsi_connector_helper_funcs
.mode_valid = tegra_dsi_connector_mode_valid,
};
-static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = {
- .destroy = tegra_output_encoder_destroy,
-};
-
static void tegra_dsi_unprepare(struct tegra_dsi *dsi)
{
int err;
@@ -1058,9 +1046,8 @@ static int tegra_dsi_init(struct host1x_client *client)
&tegra_dsi_connector_helper_funcs);
dsi->output.connector.dpms = DRM_MODE_DPMS_OFF;
- drm_encoder_init(drm, &dsi->output.encoder,
- &tegra_dsi_encoder_funcs,
- DRM_MODE_ENCODER_DSI, NULL);
+ drm_simple_encoder_init(drm, &dsi->output.encoder,
+ DRM_MODE_ENCODER_DSI);
drm_encoder_helper_add(&dsi->output.encoder,
&tegra_dsi_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index b8a328f53862..2b0666ac681b 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -4,7 +4,7 @@
* Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
*
* Based on the KMS/FB CMA helpers
- * Copyright (C) 2012 Analog Device Inc.
+ * Copyright (C) 2012 Analog Devices Inc.
*/
#include <linux/console.h>
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 38252c0f068d..d09a24931c87 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -7,7 +7,6 @@
#include <linux/clk.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
-#include <linux/gpio.h>
#include <linux/hdmi.h>
#include <linux/math64.h>
#include <linux/module.h>
@@ -22,6 +21,7 @@
#include <drm/drm_file.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "hda.h"
#include "hdmi.h"
@@ -1064,7 +1064,6 @@ static int tegra_hdmi_late_register(struct drm_connector *connector)
struct drm_minor *minor = connector->dev->primary;
struct dentry *root = connector->debugfs_entry;
struct tegra_hdmi *hdmi = to_hdmi(output);
- int err;
hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
GFP_KERNEL);
@@ -1074,17 +1073,9 @@ static int tegra_hdmi_late_register(struct drm_connector *connector)
for (i = 0; i < count; i++)
hdmi->debugfs_files[i].data = hdmi;
- err = drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor);
- if (err < 0)
- goto free;
+ drm_debugfs_create_files(hdmi->debugfs_files, count, root, minor);
return 0;
-
-free:
- kfree(hdmi->debugfs_files);
- hdmi->debugfs_files = NULL;
-
- return err;
}
static void tegra_hdmi_early_unregister(struct drm_connector *connector)
@@ -1136,10 +1127,6 @@ tegra_hdmi_connector_helper_funcs = {
.mode_valid = tegra_hdmi_connector_mode_valid,
};
-static const struct drm_encoder_funcs tegra_hdmi_encoder_funcs = {
- .destroy = tegra_output_encoder_destroy,
-};
-
static void tegra_hdmi_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
@@ -1445,8 +1432,8 @@ static int tegra_hdmi_init(struct host1x_client *client)
&tegra_hdmi_connector_helper_funcs);
hdmi->output.connector.dpms = DRM_MODE_DPMS_OFF;
- drm_encoder_init(drm, &hdmi->output.encoder, &tegra_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, &hdmi->output.encoder,
+ DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(&hdmi->output.encoder,
&tegra_hdmi_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index a264259b97a2..e36e5e7c2f69 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -6,6 +6,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_panel.h>
+#include <drm/drm_simple_kms_helper.h>
#include "drm.h"
#include "dc.h"
@@ -79,11 +80,6 @@ void tegra_output_connector_destroy(struct drm_connector *connector)
drm_connector_cleanup(connector);
}
-void tegra_output_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
static irqreturn_t hpd_irq(int irq, void *data)
{
struct tegra_output *output = data;
diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c
index 4be4dfd4a68a..0562a7eb793f 100644
--- a/drivers/gpu/drm/tegra/rgb.c
+++ b/drivers/gpu/drm/tegra/rgb.c
@@ -8,6 +8,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_panel.h>
+#include <drm/drm_simple_kms_helper.h>
#include "drm.h"
#include "dc.h"
@@ -110,10 +111,6 @@ static const struct drm_connector_helper_funcs tegra_rgb_connector_helper_funcs
.mode_valid = tegra_rgb_connector_mode_valid,
};
-static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = {
- .destroy = tegra_output_encoder_destroy,
-};
-
static void tegra_rgb_encoder_disable(struct drm_encoder *encoder)
{
struct tegra_output *output = encoder_to_output(encoder);
@@ -281,8 +278,7 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc)
&tegra_rgb_connector_helper_funcs);
output->connector.dpms = DRM_MODE_DPMS_OFF;
- drm_encoder_init(drm, &output->encoder, &tegra_rgb_encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS);
drm_encoder_helper_add(&output->encoder,
&tegra_rgb_encoder_helper_funcs);
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 81226a4953c1..7cbcf9617f5e 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -6,7 +6,6 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/debugfs.h>
-#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of_device.h>
@@ -23,6 +22,7 @@
#include <drm/drm_file.h>
#include <drm/drm_panel.h>
#include <drm/drm_scdc_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "dc.h"
#include "dp.h"
@@ -1687,7 +1687,6 @@ static int tegra_sor_late_register(struct drm_connector *connector)
struct drm_minor *minor = connector->dev->primary;
struct dentry *root = connector->debugfs_entry;
struct tegra_sor *sor = to_sor(output);
- int err;
sor->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),
GFP_KERNEL);
@@ -1697,17 +1696,9 @@ static int tegra_sor_late_register(struct drm_connector *connector)
for (i = 0; i < count; i++)
sor->debugfs_files[i].data = sor;
- err = drm_debugfs_create_files(sor->debugfs_files, count, root, minor);
- if (err < 0)
- goto free;
+ drm_debugfs_create_files(sor->debugfs_files, count, root, minor);
return 0;
-
-free:
- kfree(sor->debugfs_files);
- sor->debugfs_files = NULL;
-
- return err;
}
static void tegra_sor_early_unregister(struct drm_connector *connector)
@@ -1805,10 +1796,6 @@ static const struct drm_connector_helper_funcs tegra_sor_connector_helper_funcs
.mode_valid = tegra_sor_connector_mode_valid,
};
-static const struct drm_encoder_funcs tegra_sor_encoder_funcs = {
- .destroy = tegra_output_encoder_destroy,
-};
-
static int
tegra_sor_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
@@ -3102,8 +3089,7 @@ static int tegra_sor_init(struct host1x_client *client)
&tegra_sor_connector_helper_funcs);
sor->output.connector.dpms = DRM_MODE_DPMS_OFF;
- drm_encoder_init(drm, &sor->output.encoder, &tegra_sor_encoder_funcs,
- encoder, NULL);
+ drm_simple_encoder_init(drm, &sor->output.encoder, encoder);
drm_encoder_helper_add(&sor->output.encoder, helpers);
drm_connector_attach_encoder(&sor->output.connector,
diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
index d4ce9bab8c7e..89a226912de8 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -24,7 +24,7 @@
static void tidss_crtc_finish_page_flip(struct tidss_crtc *tcrtc)
{
struct drm_device *ddev = tcrtc->crtc.dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct drm_pending_vblank_event *event;
unsigned long flags;
bool busy;
@@ -88,7 +88,7 @@ static int tidss_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_crtc_state *state)
{
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct dispc_device *dispc = tidss->dispc;
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
u32 hw_videoport = tcrtc->hw_videoport;
@@ -165,7 +165,7 @@ static void tidss_crtc_atomic_flush(struct drm_crtc *crtc,
{
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
unsigned long flags;
dev_dbg(ddev->dev,
@@ -216,7 +216,7 @@ static void tidss_crtc_atomic_enable(struct drm_crtc *crtc,
{
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
unsigned long flags;
int r;
@@ -259,7 +259,7 @@ static void tidss_crtc_atomic_disable(struct drm_crtc *crtc,
{
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
unsigned long flags;
dev_dbg(ddev->dev, "%s, event %p\n", __func__, crtc->state->event);
@@ -295,7 +295,7 @@ enum drm_mode_status tidss_crtc_mode_valid(struct drm_crtc *crtc,
{
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
return dispc_vp_mode_valid(tidss->dispc, tcrtc->hw_videoport, mode);
}
@@ -314,7 +314,7 @@ static const struct drm_crtc_helper_funcs tidss_crtc_helper_funcs = {
static int tidss_crtc_enable_vblank(struct drm_crtc *crtc)
{
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
dev_dbg(ddev->dev, "%s\n", __func__);
@@ -328,7 +328,7 @@ static int tidss_crtc_enable_vblank(struct drm_crtc *crtc)
static void tidss_crtc_disable_vblank(struct drm_crtc *crtc)
{
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
dev_dbg(ddev->dev, "%s\n", __func__);
@@ -379,9 +379,17 @@ static struct drm_crtc_state *tidss_crtc_duplicate_state(struct drm_crtc *crtc)
return &state->base;
}
+static void tidss_crtc_destroy(struct drm_crtc *crtc)
+{
+ struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
+
+ drm_crtc_cleanup(crtc);
+ kfree(tcrtc);
+}
+
static const struct drm_crtc_funcs tidss_crtc_funcs = {
.reset = tidss_crtc_reset,
- .destroy = drm_crtc_cleanup,
+ .destroy = tidss_crtc_destroy,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_duplicate_state = tidss_crtc_duplicate_state,
@@ -400,7 +408,7 @@ struct tidss_crtc *tidss_crtc_create(struct tidss_device *tidss,
bool has_ctm = tidss->feat->vp_feat.color.has_ctm;
int ret;
- tcrtc = devm_kzalloc(tidss->dev, sizeof(*tcrtc), GFP_KERNEL);
+ tcrtc = kzalloc(sizeof(*tcrtc), GFP_KERNEL);
if (!tcrtc)
return ERR_PTR(-ENOMEM);
@@ -411,8 +419,10 @@ struct tidss_crtc *tidss_crtc_create(struct tidss_device *tidss,
ret = drm_crtc_init_with_planes(&tidss->ddev, crtc, primary,
NULL, &tidss_crtc_funcs, NULL);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(tcrtc);
return ERR_PTR(ret);
+ }
drm_crtc_helper_add(crtc, &tidss_crtc_helper_funcs);
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.c b/drivers/gpu/drm/tidss/tidss_dispc.c
index 29f42768e294..629dd06393f6 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.c
+++ b/drivers/gpu/drm/tidss/tidss_dispc.c
@@ -181,10 +181,6 @@ const struct dispc_features dispc_am65x_feats = {
.vid_name = { "vid", "vidl1" },
.vid_lite = { false, true, },
.vid_order = { 1, 0 },
-
- .errata = {
- .i2000 = true,
- },
};
static const u16 tidss_j721e_common_regs[DISPC_COMMON_REG_TABLE_LEN] = {
@@ -2674,12 +2670,9 @@ int dispc_init(struct tidss_device *tidss)
return -ENOMEM;
num_fourccs = 0;
- for (i = 0; i < ARRAY_SIZE(dispc_color_formats); ++i) {
- if (feat->errata.i2000 &&
- dispc_fourcc_is_yuv(dispc_color_formats[i].fourcc))
- continue;
+ for (i = 0; i < ARRAY_SIZE(dispc_color_formats); ++i)
dispc->fourccs[num_fourccs++] = dispc_color_formats[i].fourcc;
- }
+
dispc->num_fourccs = num_fourccs;
dispc->tidss = tidss;
dispc->dev = dev;
diff --git a/drivers/gpu/drm/tidss/tidss_dispc.h b/drivers/gpu/drm/tidss/tidss_dispc.h
index a4a68249e44b..902e612ff7ac 100644
--- a/drivers/gpu/drm/tidss/tidss_dispc.h
+++ b/drivers/gpu/drm/tidss/tidss_dispc.h
@@ -46,10 +46,6 @@ struct dispc_features_scaling {
u32 xinc_max;
};
-struct dispc_errata {
- bool i2000; /* DSS Does Not Support YUV Pixel Data Formats */
-};
-
enum dispc_vp_bus_type {
DISPC_VP_DPI, /* DPI output */
DISPC_VP_OLDI, /* OLDI (LVDS) output */
@@ -83,8 +79,6 @@ struct dispc_features {
const char *vid_name[TIDSS_MAX_PLANES]; /* Should match dt reg names */
bool vid_lite[TIDSS_MAX_PLANES];
u32 vid_order[TIDSS_MAX_PLANES];
-
- struct dispc_errata errata;
};
extern const struct dispc_features dispc_k2g_feats;
diff --git a/drivers/gpu/drm/tidss/tidss_drv.c b/drivers/gpu/drm/tidss/tidss_drv.c
index d95e4be2c7b9..99edc66ebdef 100644
--- a/drivers/gpu/drm/tidss/tidss_drv.c
+++ b/drivers/gpu/drm/tidss/tidss_drv.c
@@ -17,6 +17,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_irq.h>
+#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include "tidss_dispc.h"
@@ -102,15 +103,7 @@ static const struct dev_pm_ops tidss_pm_ops = {
static void tidss_release(struct drm_device *ddev)
{
- struct tidss_device *tidss = ddev->dev_private;
-
drm_kms_helper_poll_fini(ddev);
-
- tidss_modeset_cleanup(tidss);
-
- drm_dev_fini(ddev);
-
- kfree(tidss);
}
DEFINE_DRM_GEM_CMA_FOPS(tidss_fops);
@@ -142,26 +135,18 @@ static int tidss_probe(struct platform_device *pdev)
dev_dbg(dev, "%s\n", __func__);
- /* Can't use devm_* since drm_device's lifetime may exceed dev's */
- tidss = kzalloc(sizeof(*tidss), GFP_KERNEL);
- if (!tidss)
- return -ENOMEM;
+ tidss = devm_drm_dev_alloc(&pdev->dev, &tidss_driver,
+ struct tidss_device, ddev);
+ if (IS_ERR(tidss))
+ return PTR_ERR(tidss);
ddev = &tidss->ddev;
- ret = devm_drm_dev_init(&pdev->dev, ddev, &tidss_driver);
- if (ret) {
- kfree(ddev);
- return ret;
- }
-
tidss->dev = dev;
tidss->feat = of_device_get_match_data(dev);
platform_set_drvdata(pdev, tidss);
- ddev->dev_private = tidss;
-
ret = dispc_init(tidss);
if (ret) {
dev_err(dev, "failed to initialize dispc: %d\n", ret);
diff --git a/drivers/gpu/drm/tidss/tidss_drv.h b/drivers/gpu/drm/tidss/tidss_drv.h
index e2aa6436ad18..3b0a3d87b7c4 100644
--- a/drivers/gpu/drm/tidss/tidss_drv.h
+++ b/drivers/gpu/drm/tidss/tidss_drv.h
@@ -29,10 +29,10 @@ struct tidss_device {
spinlock_t wait_lock; /* protects the irq masks */
dispc_irq_t irq_mask; /* enabled irqs in addition to wait_list */
-
- struct drm_atomic_state *saved_state;
};
+#define to_tidss(__dev) container_of(__dev, struct tidss_device, ddev)
+
int tidss_runtime_get(struct tidss_device *tidss);
void tidss_runtime_put(struct tidss_device *tidss);
diff --git a/drivers/gpu/drm/tidss/tidss_encoder.c b/drivers/gpu/drm/tidss/tidss_encoder.c
index 83785b0a66a9..30bf2a65949c 100644
--- a/drivers/gpu/drm/tidss/tidss_encoder.c
+++ b/drivers/gpu/drm/tidss/tidss_encoder.c
@@ -55,12 +55,18 @@ static int tidss_encoder_atomic_check(struct drm_encoder *encoder,
return 0;
}
+static void tidss_encoder_destroy(struct drm_encoder *encoder)
+{
+ drm_encoder_cleanup(encoder);
+ kfree(encoder);
+}
+
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.atomic_check = tidss_encoder_atomic_check,
};
static const struct drm_encoder_funcs encoder_funcs = {
- .destroy = drm_encoder_cleanup,
+ .destroy = tidss_encoder_destroy,
};
struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
@@ -69,7 +75,7 @@ struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
struct drm_encoder *enc;
int ret;
- enc = devm_kzalloc(tidss->dev, sizeof(*enc), GFP_KERNEL);
+ enc = kzalloc(sizeof(*enc), GFP_KERNEL);
if (!enc)
return ERR_PTR(-ENOMEM);
@@ -77,8 +83,10 @@ struct drm_encoder *tidss_encoder_create(struct tidss_device *tidss,
ret = drm_encoder_init(&tidss->ddev, enc, &encoder_funcs,
encoder_type, NULL);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(enc);
return ERR_PTR(ret);
+ }
drm_encoder_helper_add(enc, &encoder_helper_funcs);
diff --git a/drivers/gpu/drm/tidss/tidss_irq.c b/drivers/gpu/drm/tidss/tidss_irq.c
index 612c046738e5..1b80f2d62e0a 100644
--- a/drivers/gpu/drm/tidss/tidss_irq.c
+++ b/drivers/gpu/drm/tidss/tidss_irq.c
@@ -23,7 +23,7 @@ static void tidss_irq_update(struct tidss_device *tidss)
void tidss_irq_enable_vblank(struct drm_crtc *crtc)
{
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
u32 hw_videoport = tcrtc->hw_videoport;
unsigned long flags;
@@ -38,7 +38,7 @@ void tidss_irq_enable_vblank(struct drm_crtc *crtc)
void tidss_irq_disable_vblank(struct drm_crtc *crtc)
{
struct drm_device *ddev = crtc->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct tidss_crtc *tcrtc = to_tidss_crtc(crtc);
u32 hw_videoport = tcrtc->hw_videoport;
unsigned long flags;
@@ -53,7 +53,7 @@ void tidss_irq_disable_vblank(struct drm_crtc *crtc)
irqreturn_t tidss_irq_handler(int irq, void *arg)
{
struct drm_device *ddev = (struct drm_device *)arg;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
unsigned int id;
dispc_irq_t irqstatus;
@@ -95,7 +95,7 @@ void tidss_irq_resume(struct tidss_device *tidss)
void tidss_irq_preinstall(struct drm_device *ddev)
{
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
spin_lock_init(&tidss->wait_lock);
@@ -109,7 +109,7 @@ void tidss_irq_preinstall(struct drm_device *ddev)
int tidss_irq_postinstall(struct drm_device *ddev)
{
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
unsigned long flags;
unsigned int i;
@@ -138,7 +138,7 @@ int tidss_irq_postinstall(struct drm_device *ddev)
void tidss_irq_uninstall(struct drm_device *ddev)
{
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
tidss_runtime_get(tidss);
dispc_set_irqenable(tidss->dispc, 0);
diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c
index 7d419960b030..4b99e9fa84a5 100644
--- a/drivers/gpu/drm/tidss/tidss_kms.c
+++ b/drivers/gpu/drm/tidss/tidss_kms.c
@@ -25,7 +25,7 @@
static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *ddev = old_state->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
dev_dbg(ddev->dev, "%s\n", __func__);
@@ -258,7 +258,9 @@ int tidss_modeset_init(struct tidss_device *tidss)
dev_dbg(tidss->dev, "%s\n", __func__);
- drm_mode_config_init(ddev);
+ ret = drmm_mode_config_init(ddev);
+ if (ret)
+ return ret;
ddev->mode_config.min_width = 8;
ddev->mode_config.min_height = 8;
@@ -270,11 +272,11 @@ int tidss_modeset_init(struct tidss_device *tidss)
ret = tidss_dispc_modeset_init(tidss);
if (ret)
- goto err_mode_config_cleanup;
+ return ret;
ret = drm_vblank_init(ddev, tidss->num_crtcs);
if (ret)
- goto err_mode_config_cleanup;
+ return ret;
/* Start with vertical blanking interrupt reporting disabled. */
for (i = 0; i < tidss->num_crtcs; ++i)
@@ -285,15 +287,4 @@ int tidss_modeset_init(struct tidss_device *tidss)
dev_dbg(tidss->dev, "%s done\n", __func__);
return 0;
-
-err_mode_config_cleanup:
- drm_mode_config_cleanup(ddev);
- return ret;
-}
-
-void tidss_modeset_cleanup(struct tidss_device *tidss)
-{
- struct drm_device *ddev = &tidss->ddev;
-
- drm_mode_config_cleanup(ddev);
}
diff --git a/drivers/gpu/drm/tidss/tidss_kms.h b/drivers/gpu/drm/tidss/tidss_kms.h
index dda5625d0128..99aaff099f22 100644
--- a/drivers/gpu/drm/tidss/tidss_kms.h
+++ b/drivers/gpu/drm/tidss/tidss_kms.h
@@ -10,6 +10,5 @@
struct tidss_device;
int tidss_modeset_init(struct tidss_device *tidss);
-void tidss_modeset_cleanup(struct tidss_device *tidss);
#endif
diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c
index ff99b2dd4a17..0a563eabcbb9 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -22,7 +22,7 @@ static int tidss_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct drm_device *ddev = plane->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct tidss_plane *tplane = to_tidss_plane(plane);
const struct drm_format_info *finfo;
struct drm_crtc_state *crtc_state;
@@ -101,7 +101,7 @@ static void tidss_plane_atomic_update(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_device *ddev = plane->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct tidss_plane *tplane = to_tidss_plane(plane);
struct drm_plane_state *state = plane->state;
u32 hw_videoport;
@@ -133,7 +133,7 @@ static void tidss_plane_atomic_disable(struct drm_plane *plane,
struct drm_plane_state *old_state)
{
struct drm_device *ddev = plane->dev;
- struct tidss_device *tidss = ddev->dev_private;
+ struct tidss_device *tidss = to_tidss(ddev);
struct tidss_plane *tplane = to_tidss_plane(plane);
dev_dbg(ddev->dev, "%s\n", __func__);
@@ -141,6 +141,14 @@ static void tidss_plane_atomic_disable(struct drm_plane *plane,
dispc_plane_enable(tidss->dispc, tplane->hw_plane_id, false);
}
+static void drm_plane_destroy(struct drm_plane *plane)
+{
+ struct tidss_plane *tplane = to_tidss_plane(plane);
+
+ drm_plane_cleanup(plane);
+ kfree(tplane);
+}
+
static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = {
.atomic_check = tidss_plane_atomic_check,
.atomic_update = tidss_plane_atomic_update,
@@ -151,7 +159,7 @@ static const struct drm_plane_funcs tidss_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
.reset = drm_atomic_helper_plane_reset,
- .destroy = drm_plane_cleanup,
+ .destroy = drm_plane_destroy,
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
@@ -175,7 +183,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
BIT(DRM_MODE_BLEND_COVERAGE));
int ret;
- tplane = devm_kzalloc(tidss->dev, sizeof(*tplane), GFP_KERNEL);
+ tplane = kzalloc(sizeof(*tplane), GFP_KERNEL);
if (!tplane)
return ERR_PTR(-ENOMEM);
@@ -190,7 +198,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
formats, num_formats,
NULL, type, NULL);
if (ret < 0)
- return ERR_PTR(ret);
+ goto err;
drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
@@ -203,15 +211,19 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
default_encoding,
default_range);
if (ret)
- return ERR_PTR(ret);
+ goto err;
ret = drm_plane_create_alpha_property(&tplane->plane);
if (ret)
- return ERR_PTR(ret);
+ goto err;
ret = drm_plane_create_blend_mode_property(&tplane->plane, blend_modes);
if (ret)
- return ERR_PTR(ret);
+ goto err;
return tplane;
+
+err:
+ kfree(tplane);
+ return ERR_PTR(ret);
}
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index 0791a0200cc3..a5e9ee4c7fbf 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -390,10 +390,9 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev)
ret = drm_dev_register(ddev, 0);
if (ret)
goto init_failed;
+ priv->is_registered = true;
drm_fbdev_generic_setup(ddev, bpp);
-
- priv->is_registered = true;
return 0;
init_failed:
@@ -478,26 +477,17 @@ static struct drm_info_list tilcdc_debugfs_list[] = {
{ "mm", tilcdc_mm_show, 0 },
};
-static int tilcdc_debugfs_init(struct drm_minor *minor)
+static void tilcdc_debugfs_init(struct drm_minor *minor)
{
- struct drm_device *dev = minor->dev;
struct tilcdc_module *mod;
- int ret;
- ret = drm_debugfs_create_files(tilcdc_debugfs_list,
- ARRAY_SIZE(tilcdc_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(tilcdc_debugfs_list,
+ ARRAY_SIZE(tilcdc_debugfs_list),
+ minor->debugfs_root, minor);
list_for_each_entry(mod, &module_list, list)
if (mod->funcs->debugfs_init)
mod->funcs->debugfs_init(mod, minor);
-
- if (ret) {
- dev_err(dev->dev, "could not install tilcdc_debugfs_list\n");
- return ret;
- }
-
- return ret;
}
#endif
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_external.c b/drivers/gpu/drm/tilcdc/tilcdc_external.c
index 28b7f703236e..b177525588c1 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_external.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_external.c
@@ -10,6 +10,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
#include <drm/drm_of.h>
+#include <drm/drm_simple_kms_helper.h>
#include "tilcdc_drv.h"
#include "tilcdc_external.h"
@@ -83,10 +84,6 @@ int tilcdc_add_component_encoder(struct drm_device *ddev)
return 0;
}
-static const struct drm_encoder_funcs tilcdc_external_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static
int tilcdc_attach_bridge(struct drm_device *ddev, struct drm_bridge *bridge)
{
@@ -131,9 +128,8 @@ int tilcdc_attach_external_device(struct drm_device *ddev)
if (!priv->external_encoder)
return -ENOMEM;
- ret = drm_encoder_init(ddev, priv->external_encoder,
- &tilcdc_external_encoder_funcs,
- DRM_MODE_ENCODER_NONE, NULL);
+ ret = drm_simple_encoder_init(ddev, priv->external_encoder,
+ DRM_MODE_ENCODER_NONE);
if (ret) {
dev_err(ddev->dev, "drm_encoder_init() failed %d\n", ret);
return ret;
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 5584e656b857..12823d60c4e8 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -16,6 +16,7 @@
#include <drm/drm_connector.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "tilcdc_drv.h"
#include "tilcdc_panel.h"
@@ -74,10 +75,6 @@ static void panel_encoder_mode_set(struct drm_encoder *encoder,
/* nothing needed */
}
-static const struct drm_encoder_funcs panel_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static const struct drm_encoder_helper_funcs panel_encoder_helper_funcs = {
.dpms = panel_encoder_dpms,
.prepare = panel_encoder_prepare,
@@ -102,8 +99,7 @@ static struct drm_encoder *panel_encoder_create(struct drm_device *dev,
encoder = &panel_encoder->base;
encoder->possible_crtcs = 1;
- ret = drm_encoder_init(dev, encoder, &panel_encoder_funcs,
- DRM_MODE_ENCODER_LVDS, NULL);
+ ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_LVDS);
if (ret < 0)
goto fail;
diff --git a/drivers/gpu/drm/tiny/Kconfig b/drivers/gpu/drm/tiny/Kconfig
index 4160e74e4751..2b6414f0fa75 100644
--- a/drivers/gpu/drm/tiny/Kconfig
+++ b/drivers/gpu/drm/tiny/Kconfig
@@ -1,5 +1,24 @@
# SPDX-License-Identifier: GPL-2.0-only
+config DRM_CIRRUS_QEMU
+ tristate "Cirrus driver for QEMU emulated device"
+ depends on DRM && PCI && MMU
+ select DRM_KMS_HELPER
+ select DRM_GEM_SHMEM_HELPER
+ help
+ This is a KMS driver for emulated cirrus device in qemu.
+ It is *NOT* intended for real cirrus devices. This requires
+ the modesetting userspace X.org driver.
+
+ Cirrus is obsolete, the hardware was designed in the 90ies
+ and can't keep up with todays needs. More background:
+ https://www.kraxel.org/blog/2014/10/qemu-using-cirrus-considered-harmful/
+
+ Better alternatives are:
+ - stdvga (DRM_BOCHS, qemu -vga std, default in qemu 2.2+)
+ - qxl (DRM_QXL, qemu -vga qxl, works best with spice)
+ - virtio (DRM_VIRTIO_GPU), qemu -vga virtio)
+
config DRM_GM12U320
tristate "GM12U320 driver for USB projectors"
depends on DRM && USB
diff --git a/drivers/gpu/drm/tiny/Makefile b/drivers/gpu/drm/tiny/Makefile
index c96ceee71453..6ae4e9e5a35f 100644
--- a/drivers/gpu/drm/tiny/Makefile
+++ b/drivers/gpu/drm/tiny/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o
obj-$(CONFIG_DRM_GM12U320) += gm12u320.o
obj-$(CONFIG_TINYDRM_HX8357D) += hx8357d.o
obj-$(CONFIG_TINYDRM_ILI9225) += ili9225.o
diff --git a/drivers/gpu/drm/cirrus/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c
index d2ff63ce8eaf..744a8e337e41 100644
--- a/drivers/gpu/drm/cirrus/cirrus.c
+++ b/drivers/gpu/drm/tiny/cirrus.c
@@ -35,6 +35,7 @@
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
@@ -58,6 +59,8 @@ struct cirrus_device {
void __iomem *mmio;
};
+#define to_cirrus(_dev) container_of(_dev, struct cirrus_device, dev)
+
/* ------------------------------------------------------------------ */
/*
* The meat of this driver. The core passes us a mode and we have to program
@@ -310,7 +313,7 @@ static int cirrus_mode_set(struct cirrus_device *cirrus,
static int cirrus_fb_blit_rect(struct drm_framebuffer *fb,
struct drm_rect *rect)
{
- struct cirrus_device *cirrus = fb->dev->dev_private;
+ struct cirrus_device *cirrus = to_cirrus(fb->dev);
void *vmap;
int idx, ret;
@@ -435,7 +438,7 @@ static void cirrus_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_crtc_state *crtc_state,
struct drm_plane_state *plane_state)
{
- struct cirrus_device *cirrus = pipe->crtc.dev->dev_private;
+ struct cirrus_device *cirrus = to_cirrus(pipe->crtc.dev);
cirrus_mode_set(cirrus, &crtc_state->mode, plane_state->fb);
cirrus_fb_blit_fullscreen(plane_state->fb);
@@ -444,7 +447,7 @@ static void cirrus_pipe_enable(struct drm_simple_display_pipe *pipe,
static void cirrus_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *old_state)
{
- struct cirrus_device *cirrus = pipe->crtc.dev->dev_private;
+ struct cirrus_device *cirrus = to_cirrus(pipe->crtc.dev);
struct drm_plane_state *state = pipe->plane.state;
struct drm_crtc *crtc = &pipe->crtc;
struct drm_rect rect;
@@ -509,11 +512,15 @@ static const struct drm_mode_config_funcs cirrus_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
-static void cirrus_mode_config_init(struct cirrus_device *cirrus)
+static int cirrus_mode_config_init(struct cirrus_device *cirrus)
{
struct drm_device *dev = &cirrus->dev;
+ int ret;
+
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
- drm_mode_config_init(dev);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
dev->mode_config.max_width = CIRRUS_MAX_PITCH / 2;
@@ -521,18 +528,12 @@ static void cirrus_mode_config_init(struct cirrus_device *cirrus)
dev->mode_config.preferred_depth = 16;
dev->mode_config.prefer_shadow = 0;
dev->mode_config.funcs = &cirrus_mode_config_funcs;
+
+ return 0;
}
/* ------------------------------------------------------------------ */
-static void cirrus_release(struct drm_device *dev)
-{
- struct cirrus_device *cirrus = dev->dev_private;
-
- drm_mode_config_cleanup(dev);
- kfree(cirrus);
-}
-
DEFINE_DRM_GEM_FOPS(cirrus_fops);
static struct drm_driver cirrus_driver = {
@@ -546,7 +547,6 @@ static struct drm_driver cirrus_driver = {
.fops = &cirrus_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
- .release = cirrus_release,
};
static int cirrus_pci_probe(struct pci_dev *pdev,
@@ -560,7 +560,7 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
if (ret)
return ret;
- ret = pci_enable_device(pdev);
+ ret = pcim_enable_device(pdev);
if (ret)
return ret;
@@ -569,36 +569,34 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
return ret;
ret = -ENOMEM;
- cirrus = kzalloc(sizeof(*cirrus), GFP_KERNEL);
- if (cirrus == NULL)
- goto err_pci_release;
+ cirrus = devm_drm_dev_alloc(&pdev->dev, &cirrus_driver,
+ struct cirrus_device, dev);
+ if (IS_ERR(cirrus))
+ return PTR_ERR(cirrus);
dev = &cirrus->dev;
- ret = drm_dev_init(dev, &cirrus_driver, &pdev->dev);
- if (ret)
- goto err_free_cirrus;
- dev->dev_private = cirrus;
- ret = -ENOMEM;
- cirrus->vram = ioremap(pci_resource_start(pdev, 0),
- pci_resource_len(pdev, 0));
+ cirrus->vram = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
if (cirrus->vram == NULL)
- goto err_dev_put;
+ return -ENOMEM;
- cirrus->mmio = ioremap(pci_resource_start(pdev, 1),
- pci_resource_len(pdev, 1));
+ cirrus->mmio = devm_ioremap(&pdev->dev, pci_resource_start(pdev, 1),
+ pci_resource_len(pdev, 1));
if (cirrus->mmio == NULL)
- goto err_unmap_vram;
+ return -ENOMEM;
- cirrus_mode_config_init(cirrus);
+ ret = cirrus_mode_config_init(cirrus);
+ if (ret)
+ return ret;
ret = cirrus_conn_init(cirrus);
if (ret < 0)
- goto err_cleanup;
+ return ret;
ret = cirrus_pipe_init(cirrus);
if (ret < 0)
- goto err_cleanup;
+ return ret;
drm_mode_config_reset(dev);
@@ -606,36 +604,18 @@ static int cirrus_pci_probe(struct pci_dev *pdev,
pci_set_drvdata(pdev, dev);
ret = drm_dev_register(dev, 0);
if (ret)
- goto err_cleanup;
+ return ret;
drm_fbdev_generic_setup(dev, dev->mode_config.preferred_depth);
return 0;
-
-err_cleanup:
- drm_mode_config_cleanup(dev);
- iounmap(cirrus->mmio);
-err_unmap_vram:
- iounmap(cirrus->vram);
-err_dev_put:
- drm_dev_put(dev);
-err_free_cirrus:
- kfree(cirrus);
-err_pci_release:
- pci_release_regions(pdev);
- return ret;
}
static void cirrus_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
- struct cirrus_device *cirrus = dev->dev_private;
drm_dev_unplug(dev);
drm_atomic_helper_shutdown(dev);
- iounmap(cirrus->mmio);
- iounmap(cirrus->vram);
- drm_dev_put(dev);
- pci_release_regions(pdev);
}
static const struct pci_device_id pciidlist[] = {
diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c
index a48173441ae0..cc397671f689 100644
--- a/drivers/gpu/drm/tiny/gm12u320.c
+++ b/drivers/gpu/drm/tiny/gm12u320.c
@@ -19,6 +19,7 @@
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modeset_helper_vtables.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_simple_kms_helper.h>
@@ -87,18 +88,18 @@ struct gm12u320_device {
struct usb_device *udev;
unsigned char *cmd_buf;
unsigned char *data_buf[GM12U320_BLOCK_COUNT];
- bool pipe_enabled;
struct {
- bool run;
- struct workqueue_struct *workq;
- struct work_struct work;
- wait_queue_head_t waitq;
+ struct delayed_work work;
struct mutex lock;
struct drm_framebuffer *fb;
struct drm_rect rect;
+ int frame;
+ int draw_status_timeout;
} fb_update;
};
+#define to_gm12u320(__dev) container_of(__dev, struct gm12u320_device, dev)
+
static const char cmd_data[CMD_SIZE] = {
0x55, 0x53, 0x42, 0x43, 0x00, 0x00, 0x00, 0x00,
0x68, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x10, 0xff,
@@ -159,7 +160,7 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
int i, block_size;
const char *hdr;
- gm12u320->cmd_buf = kmalloc(CMD_SIZE, GFP_KERNEL);
+ gm12u320->cmd_buf = drmm_kmalloc(&gm12u320->dev, CMD_SIZE, GFP_KERNEL);
if (!gm12u320->cmd_buf)
return -ENOMEM;
@@ -172,7 +173,8 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
hdr = data_block_header;
}
- gm12u320->data_buf[i] = kzalloc(block_size, GFP_KERNEL);
+ gm12u320->data_buf[i] = drmm_kzalloc(&gm12u320->dev,
+ block_size, GFP_KERNEL);
if (!gm12u320->data_buf[i])
return -ENOMEM;
@@ -182,26 +184,9 @@ static int gm12u320_usb_alloc(struct gm12u320_device *gm12u320)
data_block_footer, DATA_BLOCK_FOOTER_SIZE);
}
- gm12u320->fb_update.workq = create_singlethread_workqueue(DRIVER_NAME);
- if (!gm12u320->fb_update.workq)
- return -ENOMEM;
-
return 0;
}
-static void gm12u320_usb_free(struct gm12u320_device *gm12u320)
-{
- int i;
-
- if (gm12u320->fb_update.workq)
- destroy_workqueue(gm12u320->fb_update.workq);
-
- for (i = 0; i < GM12U320_BLOCK_COUNT; i++)
- kfree(gm12u320->data_buf[i]);
-
- kfree(gm12u320->cmd_buf);
-}
-
static int gm12u320_misc_request(struct gm12u320_device *gm12u320,
u8 req_a, u8 req_b,
u8 arg_a, u8 arg_b, u8 arg_c, u8 arg_d)
@@ -344,80 +329,77 @@ unlock:
static void gm12u320_fb_update_work(struct work_struct *work)
{
struct gm12u320_device *gm12u320 =
- container_of(work, struct gm12u320_device, fb_update.work);
- int draw_status_timeout = FIRST_FRAME_TIMEOUT;
+ container_of(to_delayed_work(work), struct gm12u320_device,
+ fb_update.work);
int block, block_size, len;
- int frame = 0;
int ret = 0;
- while (gm12u320->fb_update.run) {
- gm12u320_copy_fb_to_blocks(gm12u320);
-
- for (block = 0; block < GM12U320_BLOCK_COUNT; block++) {
- if (block == GM12U320_BLOCK_COUNT - 1)
- block_size = DATA_LAST_BLOCK_SIZE;
- else
- block_size = DATA_BLOCK_SIZE;
-
- /* Send data command to device */
- memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE);
- gm12u320->cmd_buf[8] = block_size & 0xff;
- gm12u320->cmd_buf[9] = block_size >> 8;
- gm12u320->cmd_buf[20] = 0xfc - block * 4;
- gm12u320->cmd_buf[21] = block | (frame << 7);
-
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len,
- CMD_TIMEOUT);
- if (ret || len != CMD_SIZE)
- goto err;
-
- /* Send data block to device */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->data_buf[block], block_size,
- &len, DATA_TIMEOUT);
- if (ret || len != block_size)
- goto err;
-
- /* Read status */
- ret = usb_bulk_msg(gm12u320->udev,
- usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
- gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- CMD_TIMEOUT);
- if (ret || len != READ_STATUS_SIZE)
- goto err;
- }
+ gm12u320_copy_fb_to_blocks(gm12u320);
+
+ for (block = 0; block < GM12U320_BLOCK_COUNT; block++) {
+ if (block == GM12U320_BLOCK_COUNT - 1)
+ block_size = DATA_LAST_BLOCK_SIZE;
+ else
+ block_size = DATA_BLOCK_SIZE;
+
+ /* Send data command to device */
+ memcpy(gm12u320->cmd_buf, cmd_data, CMD_SIZE);
+ gm12u320->cmd_buf[8] = block_size & 0xff;
+ gm12u320->cmd_buf[9] = block_size >> 8;
+ gm12u320->cmd_buf[20] = 0xfc - block * 4;
+ gm12u320->cmd_buf[21] =
+ block | (gm12u320->fb_update.frame << 7);
- /* Send draw command to device */
- memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE);
ret = usb_bulk_msg(gm12u320->udev,
usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
- gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
+ gm12u320->cmd_buf, CMD_SIZE, &len,
+ CMD_TIMEOUT);
if (ret || len != CMD_SIZE)
goto err;
+ /* Send data block to device */
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
+ gm12u320->data_buf[block], block_size,
+ &len, DATA_TIMEOUT);
+ if (ret || len != block_size)
+ goto err;
+
/* Read status */
ret = usb_bulk_msg(gm12u320->udev,
usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
- draw_status_timeout);
+ CMD_TIMEOUT);
if (ret || len != READ_STATUS_SIZE)
goto err;
-
- draw_status_timeout = CMD_TIMEOUT;
- frame = !frame;
-
- /*
- * We must draw a frame every 2s otherwise the projector
- * switches back to showing its logo.
- */
- wait_event_timeout(gm12u320->fb_update.waitq,
- !gm12u320->fb_update.run ||
- gm12u320->fb_update.fb != NULL,
- IDLE_TIMEOUT);
}
+
+ /* Send draw command to device */
+ memcpy(gm12u320->cmd_buf, cmd_draw, CMD_SIZE);
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_sndbulkpipe(gm12u320->udev, DATA_SND_EPT),
+ gm12u320->cmd_buf, CMD_SIZE, &len, CMD_TIMEOUT);
+ if (ret || len != CMD_SIZE)
+ goto err;
+
+ /* Read status */
+ ret = usb_bulk_msg(gm12u320->udev,
+ usb_rcvbulkpipe(gm12u320->udev, DATA_RCV_EPT),
+ gm12u320->cmd_buf, READ_STATUS_SIZE, &len,
+ gm12u320->fb_update.draw_status_timeout);
+ if (ret || len != READ_STATUS_SIZE)
+ goto err;
+
+ gm12u320->fb_update.draw_status_timeout = CMD_TIMEOUT;
+ gm12u320->fb_update.frame = !gm12u320->fb_update.frame;
+
+ /*
+ * We must draw a frame every 2s otherwise the projector
+ * switches back to showing its logo.
+ */
+ queue_delayed_work(system_long_wq, &gm12u320->fb_update.work,
+ IDLE_TIMEOUT);
+
return;
err:
/* Do not log errors caused by module unload or device unplug */
@@ -428,7 +410,7 @@ err:
static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb,
struct drm_rect *dirty)
{
- struct gm12u320_device *gm12u320 = fb->dev->dev_private;
+ struct gm12u320_device *gm12u320 = to_gm12u320(fb->dev);
struct drm_framebuffer *old_fb = NULL;
bool wakeup = false;
@@ -452,36 +434,24 @@ static void gm12u320_fb_mark_dirty(struct drm_framebuffer *fb,
mutex_unlock(&gm12u320->fb_update.lock);
if (wakeup)
- wake_up(&gm12u320->fb_update.waitq);
+ mod_delayed_work(system_long_wq, &gm12u320->fb_update.work, 0);
if (old_fb)
drm_framebuffer_put(old_fb);
}
-static void gm12u320_start_fb_update(struct gm12u320_device *gm12u320)
-{
- mutex_lock(&gm12u320->fb_update.lock);
- gm12u320->fb_update.run = true;
- mutex_unlock(&gm12u320->fb_update.lock);
-
- queue_work(gm12u320->fb_update.workq, &gm12u320->fb_update.work);
-}
-
static void gm12u320_stop_fb_update(struct gm12u320_device *gm12u320)
{
- mutex_lock(&gm12u320->fb_update.lock);
- gm12u320->fb_update.run = false;
- mutex_unlock(&gm12u320->fb_update.lock);
+ struct drm_framebuffer *old_fb;
- wake_up(&gm12u320->fb_update.waitq);
- cancel_work_sync(&gm12u320->fb_update.work);
+ cancel_delayed_work_sync(&gm12u320->fb_update.work);
mutex_lock(&gm12u320->fb_update.lock);
- if (gm12u320->fb_update.fb) {
- drm_framebuffer_put(gm12u320->fb_update.fb);
- gm12u320->fb_update.fb = NULL;
- }
+ old_fb = gm12u320->fb_update.fb;
+ gm12u320->fb_update.fb = NULL;
mutex_unlock(&gm12u320->fb_update.lock);
+
+ drm_framebuffer_put(old_fb);
}
static int gm12u320_set_ecomode(struct gm12u320_device *gm12u320)
@@ -589,20 +559,18 @@ static void gm12u320_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_crtc_state *crtc_state,
struct drm_plane_state *plane_state)
{
- struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private;
struct drm_rect rect = { 0, 0, GM12U320_USER_WIDTH, GM12U320_HEIGHT };
+ struct gm12u320_device *gm12u320 = to_gm12u320(pipe->crtc.dev);
+ gm12u320->fb_update.draw_status_timeout = FIRST_FRAME_TIMEOUT;
gm12u320_fb_mark_dirty(plane_state->fb, &rect);
- gm12u320_start_fb_update(gm12u320);
- gm12u320->pipe_enabled = true;
}
static void gm12u320_pipe_disable(struct drm_simple_display_pipe *pipe)
{
- struct gm12u320_device *gm12u320 = pipe->crtc.dev->dev_private;
+ struct gm12u320_device *gm12u320 = to_gm12u320(pipe->crtc.dev);
gm12u320_stop_fb_update(gm12u320);
- gm12u320->pipe_enabled = false;
}
static void gm12u320_pipe_update(struct drm_simple_display_pipe *pipe,
@@ -630,16 +598,6 @@ static const uint64_t gm12u320_pipe_modifiers[] = {
DRM_FORMAT_MOD_INVALID
};
-static void gm12u320_driver_release(struct drm_device *dev)
-{
- struct gm12u320_device *gm12u320 = dev->dev_private;
-
- gm12u320_usb_free(gm12u320);
- drm_mode_config_cleanup(dev);
- drm_dev_fini(dev);
- kfree(gm12u320);
-}
-
DEFINE_DRM_GEM_FOPS(gm12u320_fops);
static struct drm_driver gm12u320_drm_driver = {
@@ -651,7 +609,6 @@ static struct drm_driver gm12u320_drm_driver = {
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
- .release = gm12u320_driver_release,
.fops = &gm12u320_fops,
DRM_GEM_SHMEM_DRIVER_OPS,
};
@@ -676,24 +633,21 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
if (interface->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
- gm12u320 = kzalloc(sizeof(*gm12u320), GFP_KERNEL);
- if (gm12u320 == NULL)
- return -ENOMEM;
+ gm12u320 = devm_drm_dev_alloc(&interface->dev, &gm12u320_drm_driver,
+ struct gm12u320_device, dev);
+ if (IS_ERR(gm12u320))
+ return PTR_ERR(gm12u320);
gm12u320->udev = interface_to_usbdev(interface);
- INIT_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work);
+ INIT_DELAYED_WORK(&gm12u320->fb_update.work, gm12u320_fb_update_work);
mutex_init(&gm12u320->fb_update.lock);
- init_waitqueue_head(&gm12u320->fb_update.waitq);
dev = &gm12u320->dev;
- ret = drm_dev_init(dev, &gm12u320_drm_driver, &interface->dev);
- if (ret) {
- kfree(gm12u320);
+
+ ret = drmm_mode_config_init(dev);
+ if (ret)
return ret;
- }
- dev->dev_private = gm12u320;
- drm_mode_config_init(dev);
dev->mode_config.min_width = GM12U320_USER_WIDTH;
dev->mode_config.max_width = GM12U320_USER_WIDTH;
dev->mode_config.min_height = GM12U320_HEIGHT;
@@ -702,15 +656,15 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
ret = gm12u320_usb_alloc(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = gm12u320_set_ecomode(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = gm12u320_conn_init(gm12u320);
if (ret)
- goto err_put;
+ return ret;
ret = drm_simple_display_pipe_init(&gm12u320->dev,
&gm12u320->pipe,
@@ -720,56 +674,44 @@ static int gm12u320_usb_probe(struct usb_interface *interface,
gm12u320_pipe_modifiers,
&gm12u320->conn);
if (ret)
- goto err_put;
+ return ret;
drm_mode_config_reset(dev);
usb_set_intfdata(interface, dev);
ret = drm_dev_register(dev, 0);
if (ret)
- goto err_put;
+ return ret;
drm_fbdev_generic_setup(dev, 0);
return 0;
-
-err_put:
- drm_dev_put(dev);
- return ret;
}
static void gm12u320_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
- struct gm12u320_device *gm12u320 = dev->dev_private;
- gm12u320_stop_fb_update(gm12u320);
drm_dev_unplug(dev);
- drm_dev_put(dev);
+ drm_atomic_helper_shutdown(dev);
}
static __maybe_unused int gm12u320_suspend(struct usb_interface *interface,
pm_message_t message)
{
struct drm_device *dev = usb_get_intfdata(interface);
- struct gm12u320_device *gm12u320 = dev->dev_private;
- if (gm12u320->pipe_enabled)
- gm12u320_stop_fb_update(gm12u320);
-
- return 0;
+ return drm_mode_config_helper_suspend(dev);
}
static __maybe_unused int gm12u320_resume(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
- struct gm12u320_device *gm12u320 = dev->dev_private;
+ struct gm12u320_device *gm12u320 = to_gm12u320(dev);
gm12u320_set_ecomode(gm12u320);
- if (gm12u320->pipe_enabled)
- gm12u320_start_fb_update(gm12u320);
- return 0;
+ return drm_mode_config_helper_resume(dev);
}
static const struct usb_device_id id_table[] = {
diff --git a/drivers/gpu/drm/tiny/hx8357d.c b/drivers/gpu/drm/tiny/hx8357d.c
index 9af8ff84974f..b4bc358a3269 100644
--- a/drivers/gpu/drm/tiny/hx8357d.c
+++ b/drivers/gpu/drm/tiny/hx8357d.c
@@ -21,6 +21,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -195,7 +196,6 @@ DEFINE_DRM_GEM_CMA_FOPS(hx8357d_fops);
static struct drm_driver hx8357d_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &hx8357d_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "hx8357d",
@@ -226,18 +226,12 @@ static int hx8357d_probe(struct spi_device *spi)
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &hx8357d_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &hx8357d_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dc = devm_gpiod_get(dev, "dc", GPIOD_OUT_LOW);
if (IS_ERR(dc)) {
diff --git a/drivers/gpu/drm/tiny/ili9225.c b/drivers/gpu/drm/tiny/ili9225.c
index 802fb8dde1b6..d1a5ab6747d5 100644
--- a/drivers/gpu/drm/tiny/ili9225.c
+++ b/drivers/gpu/drm/tiny/ili9225.c
@@ -24,6 +24,7 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_rect.h>
@@ -345,7 +346,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9225_fops);
static struct drm_driver ili9225_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9225_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "ili9225",
.desc = "Ilitek ILI9225",
@@ -376,19 +376,13 @@ static int ili9225_probe(struct spi_device *spi)
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &ili9225_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &ili9225_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/ili9341.c b/drivers/gpu/drm/tiny/ili9341.c
index 33b51dc7faa8..bb819f45a5d3 100644
--- a/drivers/gpu/drm/tiny/ili9341.c
+++ b/drivers/gpu/drm/tiny/ili9341.c
@@ -20,6 +20,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -151,7 +152,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops);
static struct drm_driver ili9341_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9341_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "ili9341",
@@ -183,19 +183,13 @@ static int ili9341_probe(struct spi_device *spi)
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &ili9341_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &ili9341_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/ili9486.c b/drivers/gpu/drm/tiny/ili9486.c
index 532560aebb1e..2702ea557d29 100644
--- a/drivers/gpu/drm/tiny/ili9486.c
+++ b/drivers/gpu/drm/tiny/ili9486.c
@@ -19,6 +19,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
@@ -164,7 +165,6 @@ DEFINE_DRM_GEM_CMA_FOPS(ili9486_fops);
static struct drm_driver ili9486_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &ili9486_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "ili9486",
@@ -197,19 +197,13 @@ static int ili9486_probe(struct spi_device *spi)
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &ili9486_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &ili9486_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/mi0283qt.c b/drivers/gpu/drm/tiny/mi0283qt.c
index e2cfd9a17143..08ac549ab0f7 100644
--- a/drivers/gpu/drm/tiny/mi0283qt.c
+++ b/drivers/gpu/drm/tiny/mi0283qt.c
@@ -18,6 +18,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_modeset_helper.h>
#include <video/mipi_display.h>
@@ -155,7 +156,6 @@ DEFINE_DRM_GEM_CMA_FOPS(mi0283qt_fops);
static struct drm_driver mi0283qt_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &mi0283qt_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "mi0283qt",
@@ -187,19 +187,13 @@ static int mi0283qt_probe(struct spi_device *spi)
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &mi0283qt_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &mi0283qt_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
index f5ebcaf7ee3a..1c0e7169545b 100644
--- a/drivers/gpu/drm/tiny/repaper.c
+++ b/drivers/gpu/drm/tiny/repaper.c
@@ -31,6 +31,7 @@
#include <drm/drm_format_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_modes.h>
#include <drm/drm_rect.h>
#include <drm/drm_probe_helper.h>
@@ -908,17 +909,6 @@ static const struct drm_mode_config_funcs repaper_mode_config_funcs = {
.atomic_commit = drm_atomic_helper_commit,
};
-static void repaper_release(struct drm_device *drm)
-{
- struct repaper_epd *epd = drm_to_epd(drm);
-
- DRM_DEBUG_DRIVER("\n");
-
- drm_mode_config_cleanup(drm);
- drm_dev_fini(drm);
- kfree(epd);
-}
-
static const uint32_t repaper_formats[] = {
DRM_FORMAT_XRGB8888,
};
@@ -956,7 +946,6 @@ DEFINE_DRM_GEM_CMA_FOPS(repaper_fops);
static struct drm_driver repaper_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &repaper_fops,
- .release = repaper_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.name = "repaper",
.desc = "Pervasive Displays RePaper e-ink panels",
@@ -1013,19 +1002,16 @@ static int repaper_probe(struct spi_device *spi)
}
}
- epd = kzalloc(sizeof(*epd), GFP_KERNEL);
- if (!epd)
- return -ENOMEM;
+ epd = devm_drm_dev_alloc(dev, &repaper_driver,
+ struct repaper_epd, drm);
+ if (IS_ERR(epd))
+ return PTR_ERR(epd);
drm = &epd->drm;
- ret = devm_drm_dev_init(dev, drm, &repaper_driver);
- if (ret) {
- kfree(epd);
+ ret = drmm_mode_config_init(drm);
+ if (ret)
return ret;
- }
-
- drm_mode_config_init(drm);
drm->mode_config.funcs = &repaper_mode_config_funcs;
epd->spi = spi;
diff --git a/drivers/gpu/drm/tiny/st7586.c b/drivers/gpu/drm/tiny/st7586.c
index 9ef559dd3191..2a1fae422f7a 100644
--- a/drivers/gpu/drm/tiny/st7586.c
+++ b/drivers/gpu/drm/tiny/st7586.c
@@ -21,6 +21,7 @@
#include <drm/drm_format_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#include <drm/drm_rect.h>
@@ -284,7 +285,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7586_fops);
static struct drm_driver st7586_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &st7586_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "st7586",
@@ -317,19 +317,13 @@ static int st7586_probe(struct spi_device *spi)
size_t bufsize;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
- return -ENOMEM;
+ dbidev = devm_drm_dev_alloc(dev, &st7586_driver,
+ struct mipi_dbi_dev, drm);
+ if (IS_ERR(dbidev))
+ return PTR_ERR(dbidev);
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &st7586_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
bufsize = (st7586_mode.vdisplay + 2) / 3 * st7586_mode.hdisplay;
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index 3cd9b8d9888d..0af1b15efdf8 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -21,6 +21,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include <drm/drm_gem_framebuffer_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_mipi_dbi.h>
#define ST7735R_FRMCTR1 0xb1
@@ -156,7 +157,6 @@ DEFINE_DRM_GEM_CMA_FOPS(st7735r_fops);
static struct drm_driver st7735r_driver = {
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
.fops = &st7735r_fops,
- .release = mipi_dbi_release,
DRM_GEM_CMA_VMAP_DRIVER_OPS,
.debugfs_init = mipi_dbi_debugfs_init,
.name = "st7735r",
@@ -195,22 +195,16 @@ static int st7735r_probe(struct spi_device *spi)
if (!cfg)
cfg = (void *)spi_get_device_id(spi)->driver_data;
- priv = kzalloc(sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
+ priv = devm_drm_dev_alloc(dev, &st7735r_driver,
+ struct st7735r_priv, dbidev.drm);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
dbidev = &priv->dbidev;
priv->cfg = cfg;
dbi = &dbidev->dbi;
drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &st7735r_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
- }
-
- drm_mode_config_init(drm);
dbi->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 9e07c3f75156..f73b81c2576e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -588,7 +588,8 @@ static void ttm_bo_release(struct kref *kref)
ttm_mem_io_unlock(man);
}
- if (!dma_resv_test_signaled_rcu(bo->base.resv, true)) {
+ if (!dma_resv_test_signaled_rcu(bo->base.resv, true) ||
+ !dma_resv_trylock(bo->base.resv)) {
/* The BO is not idle, resurrect it for delayed destroy */
ttm_bo_flush_all_fences(bo);
bo->deleted = true;
@@ -621,6 +622,7 @@ static void ttm_bo_release(struct kref *kref)
spin_unlock(&ttm_bo_glob.lru_lock);
ttm_bo_cleanup_memtype_use(bo);
+ dma_resv_unlock(bo->base.resv);
BUG_ON(bo->mem.mm_node != NULL);
atomic_dec(&ttm_bo_glob.bo_count);
diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c
index 0afdfb0d1fe1..cdc1c42e1669 100644
--- a/drivers/gpu/drm/udl/udl_connector.c
+++ b/drivers/gpu/drm/udl/udl_connector.c
@@ -59,7 +59,7 @@ static int udl_get_modes(struct drm_connector *connector)
static enum drm_mode_status udl_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
- struct udl_device *udl = connector->dev->dev_private;
+ struct udl_device *udl = to_udl(connector->dev);
if (!udl->sku_pixel_limit)
return 0;
@@ -72,7 +72,7 @@ static enum drm_mode_status udl_mode_valid(struct drm_connector *connector,
static enum drm_connector_status
udl_detect(struct drm_connector *connector, bool force)
{
- struct udl_device *udl = connector->dev->dev_private;
+ struct udl_device *udl = to_udl(connector->dev);
struct udl_drm_connector *udl_connector =
container_of(connector,
struct udl_drm_connector,
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index e6c1cd77d4d4..d1aa50fd6d65 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -10,6 +10,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_managed.h>
#include <drm/drm_ioctl.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_print.h>
@@ -33,17 +34,8 @@ static int udl_usb_resume(struct usb_interface *interface)
DEFINE_DRM_GEM_FOPS(udl_driver_fops);
-static void udl_driver_release(struct drm_device *dev)
-{
- udl_fini(dev);
- udl_modeset_cleanup(dev);
- drm_dev_fini(dev);
- kfree(dev);
-}
-
static struct drm_driver driver = {
.driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET,
- .release = udl_driver_release,
/* gem hooks */
.gem_create_object = udl_driver_gem_create_object,
@@ -65,27 +57,19 @@ static struct udl_device *udl_driver_create(struct usb_interface *interface)
struct udl_device *udl;
int r;
- udl = kzalloc(sizeof(*udl), GFP_KERNEL);
- if (!udl)
- return ERR_PTR(-ENOMEM);
-
- r = drm_dev_init(&udl->drm, &driver, &interface->dev);
- if (r) {
- kfree(udl);
- return ERR_PTR(r);
- }
+ udl = devm_drm_dev_alloc(&interface->dev, &driver,
+ struct udl_device, drm);
+ if (IS_ERR(udl))
+ return udl;
udl->udev = udev;
- udl->drm.dev_private = udl;
r = udl_init(udl);
- if (r) {
- drm_dev_fini(&udl->drm);
- kfree(udl);
+ if (r)
return ERR_PTR(r);
- }
usb_set_intfdata(interface, udl);
+
return udl;
}
@@ -101,31 +85,22 @@ static int udl_usb_probe(struct usb_interface *interface,
r = drm_dev_register(&udl->drm, 0);
if (r)
- goto err_free;
+ return r;
DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index);
- r = drm_fbdev_generic_setup(&udl->drm, 0);
- if (r)
- goto err_drm_dev_unregister;
+ drm_fbdev_generic_setup(&udl->drm, 0);
return 0;
-
-err_drm_dev_unregister:
- drm_dev_unregister(&udl->drm);
-err_free:
- drm_dev_put(&udl->drm);
- return r;
}
static void udl_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
- drm_kms_helper_poll_disable(dev);
+ drm_kms_helper_poll_fini(dev);
udl_drop_usb(dev);
drm_dev_unplug(dev);
- drm_dev_put(dev);
}
/*
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
index e67227c44cc4..2642f94a63fc 100644
--- a/drivers/gpu/drm/udl/udl_drv.h
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -68,7 +68,6 @@ struct udl_device {
/* modeset */
int udl_modeset_init(struct drm_device *dev);
-void udl_modeset_cleanup(struct drm_device *dev);
struct drm_connector *udl_connector_init(struct drm_device *dev);
struct urb *udl_get_urb(struct drm_device *dev);
@@ -77,7 +76,6 @@ int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len);
void udl_urb_completion(struct urb *urb);
int udl_init(struct udl_device *udl);
-void udl_fini(struct drm_device *dev);
int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr,
const char *front, char **urb_buf_ptr,
diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index 538718919916..f5d27f2a5654 100644
--- a/drivers/gpu/drm/udl/udl_main.c
+++ b/drivers/gpu/drm/udl/udl_main.c
@@ -351,13 +351,3 @@ int udl_drop_usb(struct drm_device *dev)
udl_free_urb_list(dev);
return 0;
}
-
-void udl_fini(struct drm_device *dev)
-{
- struct udl_device *udl = to_udl(dev);
-
- drm_kms_helper_poll_fini(dev);
-
- if (udl->urbs.count)
- udl_free_urb_list(dev);
-}
diff --git a/drivers/gpu/drm/udl/udl_modeset.c b/drivers/gpu/drm/udl/udl_modeset.c
index d59ebac70b15..fef43f4e3bac 100644
--- a/drivers/gpu/drm/udl/udl_modeset.c
+++ b/drivers/gpu/drm/udl/udl_modeset.c
@@ -215,7 +215,7 @@ static char *udl_dummy_render(char *wrptr)
static int udl_crtc_write_mode_to_hw(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
- struct udl_device *udl = dev->dev_private;
+ struct udl_device *udl = to_udl(dev);
struct urb *urb;
char *buf;
int retval;
@@ -266,8 +266,8 @@ static int udl_aligned_damage_clip(struct drm_rect *clip, int x, int y,
return 0;
}
-int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
- int width, int height)
+static int udl_handle_damage(struct drm_framebuffer *fb, int x, int y,
+ int width, int height)
{
struct drm_device *dev = fb->dev;
struct dma_buf_attachment *import_attach = fb->obj[0]->import_attach;
@@ -369,7 +369,7 @@ udl_simple_display_pipe_enable(struct drm_simple_display_pipe *pipe,
struct drm_crtc *crtc = &pipe->crtc;
struct drm_device *dev = crtc->dev;
struct drm_framebuffer *fb = plane_state->fb;
- struct udl_device *udl = dev->dev_private;
+ struct udl_device *udl = to_udl(dev);
struct drm_display_mode *mode = &crtc_state->mode;
char *buf;
char *wrptr;
@@ -464,11 +464,13 @@ static const struct drm_mode_config_funcs udl_mode_funcs = {
int udl_modeset_init(struct drm_device *dev)
{
size_t format_count = ARRAY_SIZE(udl_simple_display_pipe_formats);
- struct udl_device *udl = dev->dev_private;
+ struct udl_device *udl = to_udl(dev);
struct drm_connector *connector;
int ret;
- drm_mode_config_init(dev);
+ ret = drmm_mode_config_init(dev);
+ if (ret)
+ return ret;
dev->mode_config.min_width = 640;
dev->mode_config.min_height = 480;
@@ -482,10 +484,8 @@ int udl_modeset_init(struct drm_device *dev)
dev->mode_config.funcs = &udl_mode_funcs;
connector = udl_connector_init(dev);
- if (IS_ERR(connector)) {
- ret = PTR_ERR(connector);
- goto err_drm_mode_config_cleanup;
- }
+ if (IS_ERR(connector))
+ return PTR_ERR(connector);
format_count = ARRAY_SIZE(udl_simple_display_pipe_formats);
@@ -494,18 +494,9 @@ int udl_modeset_init(struct drm_device *dev)
udl_simple_display_pipe_formats,
format_count, NULL, connector);
if (ret)
- goto err_drm_mode_config_cleanup;
+ return ret;
drm_mode_config_reset(dev);
return 0;
-
-err_drm_mode_config_cleanup:
- drm_mode_config_cleanup(dev);
- return ret;
-}
-
-void udl_modeset_cleanup(struct drm_device *dev)
-{
- drm_mode_config_cleanup(dev);
}
diff --git a/drivers/gpu/drm/v3d/v3d_debugfs.c b/drivers/gpu/drm/v3d/v3d_debugfs.c
index 9e953ce64ef7..e76b24bb8828 100644
--- a/drivers/gpu/drm/v3d/v3d_debugfs.c
+++ b/drivers/gpu/drm/v3d/v3d_debugfs.c
@@ -132,7 +132,7 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
u32 ident0, ident1, ident2, ident3, cores;
int ret, core;
- ret = pm_runtime_get_sync(v3d->dev);
+ ret = pm_runtime_get_sync(v3d->drm.dev);
if (ret < 0)
return ret;
@@ -187,8 +187,8 @@ static int v3d_v3d_debugfs_ident(struct seq_file *m, void *unused)
(misccfg & V3D_MISCCFG_OVRTMUOUT) != 0);
}
- pm_runtime_mark_last_busy(v3d->dev);
- pm_runtime_put_autosuspend(v3d->dev);
+ pm_runtime_mark_last_busy(v3d->drm.dev);
+ pm_runtime_put_autosuspend(v3d->drm.dev);
return 0;
}
@@ -219,7 +219,7 @@ static int v3d_measure_clock(struct seq_file *m, void *unused)
int measure_ms = 1000;
int ret;
- ret = pm_runtime_get_sync(v3d->dev);
+ ret = pm_runtime_get_sync(v3d->drm.dev);
if (ret < 0)
return ret;
@@ -245,8 +245,8 @@ static int v3d_measure_clock(struct seq_file *m, void *unused)
cycles / (measure_ms * 1000),
(cycles / (measure_ms * 100)) % 10);
- pm_runtime_mark_last_busy(v3d->dev);
- pm_runtime_put_autosuspend(v3d->dev);
+ pm_runtime_mark_last_busy(v3d->drm.dev);
+ pm_runtime_put_autosuspend(v3d->drm.dev);
return 0;
}
@@ -258,10 +258,10 @@ static const struct drm_info_list v3d_debugfs_list[] = {
{"bo_stats", v3d_debugfs_bo_stats, 0},
};
-int
+void
v3d_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(v3d_debugfs_list,
- ARRAY_SIZE(v3d_debugfs_list),
- minor->debugfs_root, minor);
+ drm_debugfs_create_files(v3d_debugfs_list,
+ ARRAY_SIZE(v3d_debugfs_list),
+ minor->debugfs_root, minor);
}
diff --git a/drivers/gpu/drm/v3d/v3d_drv.c b/drivers/gpu/drm/v3d/v3d_drv.c
index eaa8e9682373..82a7dfdd14c2 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -25,6 +25,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_fb_helper.h>
+#include <drm/drm_managed.h>
#include <uapi/drm/v3d_drm.h>
#include "v3d_drv.h"
@@ -104,7 +105,7 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
if (args->value != 0)
return -EINVAL;
- ret = pm_runtime_get_sync(v3d->dev);
+ ret = pm_runtime_get_sync(v3d->drm.dev);
if (ret < 0)
return ret;
if (args->param >= DRM_V3D_PARAM_V3D_CORE0_IDENT0 &&
@@ -113,8 +114,8 @@ static int v3d_get_param_ioctl(struct drm_device *dev, void *data,
} else {
args->value = V3D_READ(offset);
}
- pm_runtime_mark_last_busy(v3d->dev);
- pm_runtime_put_autosuspend(v3d->dev);
+ pm_runtime_mark_last_busy(v3d->drm.dev);
+ pm_runtime_put_autosuspend(v3d->drm.dev);
return 0;
}
@@ -234,9 +235,9 @@ static int
map_regs(struct v3d_dev *v3d, void __iomem **regs, const char *name)
{
struct resource *res =
- platform_get_resource_byname(v3d->pdev, IORESOURCE_MEM, name);
+ platform_get_resource_byname(v3d_to_pdev(v3d), IORESOURCE_MEM, name);
- *regs = devm_ioremap_resource(v3d->dev, res);
+ *regs = devm_ioremap_resource(v3d->drm.dev, res);
return PTR_ERR_OR_ZERO(*regs);
}
@@ -250,20 +251,21 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
u32 ident1;
- v3d = kzalloc(sizeof(*v3d), GFP_KERNEL);
- if (!v3d)
- return -ENOMEM;
- v3d->dev = dev;
- v3d->pdev = pdev;
+ v3d = devm_drm_dev_alloc(dev, &v3d_drm_driver, struct v3d_dev, drm);
+ if (IS_ERR(v3d))
+ return PTR_ERR(v3d);
+
drm = &v3d->drm;
+ platform_set_drvdata(pdev, drm);
+
ret = map_regs(v3d, &v3d->hub_regs, "hub");
if (ret)
- goto dev_free;
+ return ret;
ret = map_regs(v3d, &v3d->core_regs[0], "core0");
if (ret)
- goto dev_free;
+ return ret;
mmu_debug = V3D_READ(V3D_MMU_DEBUG_INFO);
dev->coherent_dma_mask =
@@ -281,45 +283,37 @@ static int v3d_platform_drm_probe(struct platform_device *pdev)
ret = PTR_ERR(v3d->reset);
if (ret == -EPROBE_DEFER)
- goto dev_free;
+ return ret;
v3d->reset = NULL;
ret = map_regs(v3d, &v3d->bridge_regs, "bridge");
if (ret) {
dev_err(dev,
"Failed to get reset control or bridge regs\n");
- goto dev_free;
+ return ret;
}
}
if (v3d->ver < 41) {
ret = map_regs(v3d, &v3d->gca_regs, "gca");
if (ret)
- goto dev_free;
+ return ret;
}
v3d->mmu_scratch = dma_alloc_wc(dev, 4096, &v3d->mmu_scratch_paddr,
GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO);
if (!v3d->mmu_scratch) {
dev_err(dev, "Failed to allocate MMU scratch page\n");
- ret = -ENOMEM;
- goto dev_free;
+ return -ENOMEM;
}
pm_runtime_use_autosuspend(dev);
pm_runtime_set_autosuspend_delay(dev, 50);
pm_runtime_enable(dev);
- ret = drm_dev_init(&v3d->drm, &v3d_drm_driver, dev);
- if (ret)
- goto dma_free;
-
- platform_set_drvdata(pdev, drm);
- drm->dev_private = v3d;
-
ret = v3d_gem_init(drm);
if (ret)
- goto dev_destroy;
+ goto dma_free;
ret = v3d_irq_init(v3d);
if (ret)
@@ -335,12 +329,8 @@ irq_disable:
v3d_irq_disable(v3d);
gem_destroy:
v3d_gem_destroy(drm);
-dev_destroy:
- drm_dev_put(drm);
dma_free:
dma_free_wc(dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
-dev_free:
- kfree(v3d);
return ret;
}
@@ -353,9 +343,8 @@ static int v3d_platform_drm_remove(struct platform_device *pdev)
v3d_gem_destroy(drm);
- drm_dev_put(drm);
-
- dma_free_wc(v3d->dev, 4096, v3d->mmu_scratch, v3d->mmu_scratch_paddr);
+ dma_free_wc(v3d->drm.dev, 4096, v3d->mmu_scratch,
+ v3d->mmu_scratch_paddr);
return 0;
}
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index ac2603334587..8a390738d65b 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -14,7 +14,6 @@
#include "uapi/drm/v3d_drm.h"
struct clk;
-struct device;
struct platform_device;
struct reset_control;
@@ -47,8 +46,6 @@ struct v3d_dev {
int ver;
bool single_irq_line;
- struct device *dev;
- struct platform_device *pdev;
void __iomem *hub_regs;
void __iomem *core_regs[3];
void __iomem *bridge_regs;
@@ -121,7 +118,7 @@ struct v3d_dev {
static inline struct v3d_dev *
to_v3d_dev(struct drm_device *dev)
{
- return (struct v3d_dev *)dev->dev_private;
+ return container_of(dev, struct v3d_dev, drm);
}
static inline bool
@@ -130,6 +127,8 @@ v3d_has_csd(struct v3d_dev *v3d)
return v3d->ver >= 41;
}
+#define v3d_to_pdev(v3d) to_platform_device((v3d)->drm.dev)
+
/* The per-fd struct, which tracks the MMU mappings. */
struct v3d_file_priv {
struct v3d_dev *v3d;
@@ -316,7 +315,7 @@ struct drm_gem_object *v3d_prime_import_sg_table(struct drm_device *dev,
struct sg_table *sgt);
/* v3d_debugfs.c */
-int v3d_debugfs_init(struct drm_minor *minor);
+void v3d_debugfs_init(struct drm_minor *minor);
/* v3d_fence.c */
extern const struct dma_fence_ops v3d_fence_ops;
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 549dde83408b..09a7639cf161 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -370,8 +370,8 @@ v3d_job_free(struct kref *ref)
dma_fence_put(job->irq_fence);
dma_fence_put(job->done_fence);
- pm_runtime_mark_last_busy(job->v3d->dev);
- pm_runtime_put_autosuspend(job->v3d->dev);
+ pm_runtime_mark_last_busy(job->v3d->drm.dev);
+ pm_runtime_put_autosuspend(job->v3d->drm.dev);
kfree(job);
}
@@ -439,7 +439,7 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
job->v3d = v3d;
job->free = free;
- ret = pm_runtime_get_sync(v3d->dev);
+ ret = pm_runtime_get_sync(v3d->drm.dev);
if (ret < 0)
return ret;
@@ -458,7 +458,7 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv,
return 0;
fail:
xa_destroy(&job->deps);
- pm_runtime_put_autosuspend(v3d->dev);
+ pm_runtime_put_autosuspend(v3d->drm.dev);
return ret;
}
@@ -886,12 +886,12 @@ v3d_gem_init(struct drm_device *dev)
*/
drm_mm_init(&v3d->mm, 1, pt_size / sizeof(u32) - 1);
- v3d->pt = dma_alloc_wc(v3d->dev, pt_size,
+ v3d->pt = dma_alloc_wc(v3d->drm.dev, pt_size,
&v3d->pt_paddr,
GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO);
if (!v3d->pt) {
drm_mm_takedown(&v3d->mm);
- dev_err(v3d->dev,
+ dev_err(v3d->drm.dev,
"Failed to allocate page tables. "
"Please ensure you have CMA enabled.\n");
return -ENOMEM;
@@ -903,7 +903,7 @@ v3d_gem_init(struct drm_device *dev)
ret = v3d_sched_init(v3d);
if (ret) {
drm_mm_takedown(&v3d->mm);
- dma_free_coherent(v3d->dev, 4096 * 1024, (void *)v3d->pt,
+ dma_free_coherent(v3d->drm.dev, 4096 * 1024, (void *)v3d->pt,
v3d->pt_paddr);
}
@@ -925,5 +925,6 @@ v3d_gem_destroy(struct drm_device *dev)
drm_mm_takedown(&v3d->mm);
- dma_free_coherent(v3d->dev, 4096 * 1024, (void *)v3d->pt, v3d->pt_paddr);
+ dma_free_coherent(v3d->drm.dev, 4096 * 1024, (void *)v3d->pt,
+ v3d->pt_paddr);
}
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index 662e67279a7b..51b65263c657 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -128,7 +128,7 @@ v3d_irq(int irq, void *arg)
* always-allowed mode.
*/
if (intsts & V3D_INT_GMPV)
- dev_err(v3d->dev, "GMP violation\n");
+ dev_err(v3d->drm.dev, "GMP violation\n");
/* V3D 4.2 wires the hub and core IRQs together, so if we &
* didn't see the common one then check hub for MMU IRQs.
@@ -189,7 +189,7 @@ v3d_hub_irq(int irq, void *arg)
client = v3d41_axi_ids[axi_id];
}
- dev_err(v3d->dev, "MMU error from client %s (%d) at 0x%llx%s%s%s\n",
+ dev_err(v3d->drm.dev, "MMU error from client %s (%d) at 0x%llx%s%s%s\n",
client, axi_id, (long long)vio_addr,
((intsts & V3D_HUB_INT_MMU_WRV) ?
", write violation" : ""),
@@ -217,16 +217,17 @@ v3d_irq_init(struct v3d_dev *v3d)
V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);
- irq1 = platform_get_irq(v3d->pdev, 1);
+ irq1 = platform_get_irq(v3d_to_pdev(v3d), 1);
if (irq1 == -EPROBE_DEFER)
return irq1;
if (irq1 > 0) {
- ret = devm_request_irq(v3d->dev, irq1,
+ ret = devm_request_irq(v3d->drm.dev, irq1,
v3d_irq, IRQF_SHARED,
"v3d_core0", v3d);
if (ret)
goto fail;
- ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
+ ret = devm_request_irq(v3d->drm.dev,
+ platform_get_irq(v3d_to_pdev(v3d), 0),
v3d_hub_irq, IRQF_SHARED,
"v3d_hub", v3d);
if (ret)
@@ -234,7 +235,8 @@ v3d_irq_init(struct v3d_dev *v3d)
} else {
v3d->single_irq_line = true;
- ret = devm_request_irq(v3d->dev, platform_get_irq(v3d->pdev, 0),
+ ret = devm_request_irq(v3d->drm.dev,
+ platform_get_irq(v3d_to_pdev(v3d), 0),
v3d_irq, IRQF_SHARED,
"v3d", v3d);
if (ret)
@@ -246,7 +248,7 @@ v3d_irq_init(struct v3d_dev *v3d)
fail:
if (ret != -EPROBE_DEFER)
- dev_err(v3d->dev, "IRQ setup failed: %d\n", ret);
+ dev_err(v3d->drm.dev, "IRQ setup failed: %d\n", ret);
return ret;
}
diff --git a/drivers/gpu/drm/v3d/v3d_mmu.c b/drivers/gpu/drm/v3d/v3d_mmu.c
index 395e81d97163..3b81ea28c0bb 100644
--- a/drivers/gpu/drm/v3d/v3d_mmu.c
+++ b/drivers/gpu/drm/v3d/v3d_mmu.c
@@ -40,7 +40,7 @@ static int v3d_mmu_flush_all(struct v3d_dev *v3d)
ret = wait_for(!(V3D_READ(V3D_MMU_CTL) &
V3D_MMU_CTL_TLB_CLEARING), 100);
if (ret)
- dev_err(v3d->dev, "TLB clear wait idle pre-wait failed\n");
+ dev_err(v3d->drm.dev, "TLB clear wait idle pre-wait failed\n");
V3D_WRITE(V3D_MMU_CTL, V3D_READ(V3D_MMU_CTL) |
V3D_MMU_CTL_TLB_CLEAR);
@@ -52,14 +52,14 @@ static int v3d_mmu_flush_all(struct v3d_dev *v3d)
ret = wait_for(!(V3D_READ(V3D_MMU_CTL) &
V3D_MMU_CTL_TLB_CLEARING), 100);
if (ret) {
- dev_err(v3d->dev, "TLB clear wait idle failed\n");
+ dev_err(v3d->drm.dev, "TLB clear wait idle failed\n");
return ret;
}
ret = wait_for(!(V3D_READ(V3D_MMUC_CONTROL) &
V3D_MMUC_CONTROL_FLUSHING), 100);
if (ret)
- dev_err(v3d->dev, "MMUC flush wait idle failed\n");
+ dev_err(v3d->drm.dev, "MMUC flush wait idle failed\n");
return ret;
}
@@ -109,7 +109,7 @@ void v3d_mmu_insert_ptes(struct v3d_bo *bo)
shmem_obj->base.size >> V3D_MMU_PAGE_SHIFT);
if (v3d_mmu_flush_all(v3d))
- dev_err(v3d->dev, "MMU flush timeout\n");
+ dev_err(v3d->drm.dev, "MMU flush timeout\n");
}
void v3d_mmu_remove_ptes(struct v3d_bo *bo)
@@ -122,5 +122,5 @@ void v3d_mmu_remove_ptes(struct v3d_bo *bo)
v3d->pt[page] = 0;
if (v3d_mmu_flush_all(v3d))
- dev_err(v3d->dev, "MMU flush timeout\n");
+ dev_err(v3d->drm.dev, "MMU flush timeout\n");
}
diff --git a/drivers/gpu/drm/v3d/v3d_sched.c b/drivers/gpu/drm/v3d/v3d_sched.c
index 8c2df6d95283..0747614a78f0 100644
--- a/drivers/gpu/drm/v3d/v3d_sched.c
+++ b/drivers/gpu/drm/v3d/v3d_sched.c
@@ -403,7 +403,7 @@ v3d_sched_init(struct v3d_dev *v3d)
msecs_to_jiffies(hang_limit_ms),
"v3d_bin");
if (ret) {
- dev_err(v3d->dev, "Failed to create bin scheduler: %d.", ret);
+ dev_err(v3d->drm.dev, "Failed to create bin scheduler: %d.", ret);
return ret;
}
@@ -413,7 +413,7 @@ v3d_sched_init(struct v3d_dev *v3d)
msecs_to_jiffies(hang_limit_ms),
"v3d_render");
if (ret) {
- dev_err(v3d->dev, "Failed to create render scheduler: %d.",
+ dev_err(v3d->drm.dev, "Failed to create render scheduler: %d.",
ret);
v3d_sched_fini(v3d);
return ret;
@@ -425,7 +425,7 @@ v3d_sched_init(struct v3d_dev *v3d)
msecs_to_jiffies(hang_limit_ms),
"v3d_tfu");
if (ret) {
- dev_err(v3d->dev, "Failed to create TFU scheduler: %d.",
+ dev_err(v3d->drm.dev, "Failed to create TFU scheduler: %d.",
ret);
v3d_sched_fini(v3d);
return ret;
@@ -438,7 +438,7 @@ v3d_sched_init(struct v3d_dev *v3d)
msecs_to_jiffies(hang_limit_ms),
"v3d_csd");
if (ret) {
- dev_err(v3d->dev, "Failed to create CSD scheduler: %d.",
+ dev_err(v3d->drm.dev, "Failed to create CSD scheduler: %d.",
ret);
v3d_sched_fini(v3d);
return ret;
@@ -450,7 +450,7 @@ v3d_sched_init(struct v3d_dev *v3d)
msecs_to_jiffies(hang_limit_ms),
"v3d_cache_clean");
if (ret) {
- dev_err(v3d->dev, "Failed to create CACHE_CLEAN scheduler: %d.",
+ dev_err(v3d->drm.dev, "Failed to create CACHE_CLEAN scheduler: %d.",
ret);
v3d_sched_fini(v3d);
return ret;
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.c b/drivers/gpu/drm/vboxvideo/vbox_drv.c
index ac8f75db2ecd..cf2e3e6a2388 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_drv.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_drv.c
@@ -17,6 +17,7 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include "vbox_drv.h"
@@ -45,28 +46,22 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
return ret;
- vbox = kzalloc(sizeof(*vbox), GFP_KERNEL);
- if (!vbox)
- return -ENOMEM;
-
- ret = drm_dev_init(&vbox->ddev, &driver, &pdev->dev);
- if (ret) {
- kfree(vbox);
- return ret;
- }
+ vbox = devm_drm_dev_alloc(&pdev->dev, &driver,
+ struct vbox_private, ddev);
+ if (IS_ERR(vbox))
+ return PTR_ERR(vbox);
vbox->ddev.pdev = pdev;
- vbox->ddev.dev_private = vbox;
pci_set_drvdata(pdev, vbox);
mutex_init(&vbox->hw_mutex);
- ret = pci_enable_device(pdev);
+ ret = pcim_enable_device(pdev);
if (ret)
- goto err_dev_put;
+ return ret;
ret = vbox_hw_init(vbox);
if (ret)
- goto err_pci_disable;
+ return ret;
ret = vbox_mm_init(vbox);
if (ret)
@@ -80,14 +75,12 @@ static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret)
goto err_mode_fini;
- ret = drm_fbdev_generic_setup(&vbox->ddev, 32);
- if (ret)
- goto err_irq_fini;
-
ret = drm_dev_register(&vbox->ddev, 0);
if (ret)
goto err_irq_fini;
+ drm_fbdev_generic_setup(&vbox->ddev, 32);
+
return 0;
err_irq_fini:
@@ -98,10 +91,6 @@ err_mm_fini:
vbox_mm_fini(vbox);
err_hw_fini:
vbox_hw_fini(vbox);
-err_pci_disable:
- pci_disable_device(pdev);
-err_dev_put:
- drm_dev_put(&vbox->ddev);
return ret;
}
@@ -114,7 +103,6 @@ static void vbox_pci_remove(struct pci_dev *pdev)
vbox_mode_fini(vbox);
vbox_mm_fini(vbox);
vbox_hw_fini(vbox);
- drm_dev_put(&vbox->ddev);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/gpu/drm/vboxvideo/vbox_drv.h b/drivers/gpu/drm/vboxvideo/vbox_drv.h
index 87421903816c..ac7c2effc46f 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_drv.h
+++ b/drivers/gpu/drm/vboxvideo/vbox_drv.h
@@ -127,6 +127,7 @@ struct vbox_encoder {
#define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base)
#define to_vbox_connector(x) container_of(x, struct vbox_connector, base)
#define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base)
+#define to_vbox_dev(x) container_of(x, struct vbox_private, ddev)
bool vbox_check_supported(u16 id);
int vbox_hw_init(struct vbox_private *vbox);
diff --git a/drivers/gpu/drm/vboxvideo/vbox_irq.c b/drivers/gpu/drm/vboxvideo/vbox_irq.c
index 16a1e29f5292..631657fa554f 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_irq.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_irq.c
@@ -34,7 +34,7 @@ void vbox_report_hotplug(struct vbox_private *vbox)
irqreturn_t vbox_irq_handler(int irq, void *arg)
{
struct drm_device *dev = (struct drm_device *)arg;
- struct vbox_private *vbox = (struct vbox_private *)dev->dev_private;
+ struct vbox_private *vbox = to_vbox_dev(dev);
u32 host_flags = vbox_get_flags(vbox);
if (!(host_flags & HGSMIHOSTFLAGS_IRQ))
diff --git a/drivers/gpu/drm/vboxvideo/vbox_main.c b/drivers/gpu/drm/vboxvideo/vbox_main.c
index 9dcab115a261..d68d9bad7674 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_main.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_main.c
@@ -71,8 +71,6 @@ static void vbox_accel_fini(struct vbox_private *vbox)
for (i = 0; i < vbox->num_crtcs; ++i)
vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i);
-
- pci_iounmap(vbox->ddev.pdev, vbox->vbva_buffers);
}
/* Do we support the 4.3 plus mode hint reporting interface? */
@@ -123,21 +121,22 @@ int vbox_hw_init(struct vbox_private *vbox)
return -ENOMEM;
/* Create guest-heap mem-pool use 2^4 = 16 byte chunks */
- vbox->guest_pool = gen_pool_create(4, -1);
+ vbox->guest_pool = devm_gen_pool_create(vbox->ddev.dev, 4, -1,
+ "vboxvideo-accel");
if (!vbox->guest_pool)
- goto err_unmap_guest_heap;
+ return -ENOMEM;
ret = gen_pool_add_virt(vbox->guest_pool,
(unsigned long)vbox->guest_heap,
GUEST_HEAP_OFFSET(vbox),
GUEST_HEAP_USABLE_SIZE, -1);
if (ret)
- goto err_destroy_guest_pool;
+ return ret;
ret = hgsmi_test_query_conf(vbox->guest_pool);
if (ret) {
DRM_ERROR("vboxvideo: hgsmi_test_query_conf failed\n");
- goto err_destroy_guest_pool;
+ return ret;
}
/* Reduce available VRAM size to reflect the guest heap. */
@@ -149,33 +148,23 @@ int vbox_hw_init(struct vbox_private *vbox)
if (!have_hgsmi_mode_hints(vbox)) {
ret = -ENOTSUPP;
- goto err_destroy_guest_pool;
+ return ret;
}
vbox->last_mode_hints = devm_kcalloc(vbox->ddev.dev, vbox->num_crtcs,
sizeof(struct vbva_modehint),
GFP_KERNEL);
- if (!vbox->last_mode_hints) {
- ret = -ENOMEM;
- goto err_destroy_guest_pool;
- }
+ if (!vbox->last_mode_hints)
+ return -ENOMEM;
ret = vbox_accel_init(vbox);
if (ret)
- goto err_destroy_guest_pool;
+ return ret;
return 0;
-
-err_destroy_guest_pool:
- gen_pool_destroy(vbox->guest_pool);
-err_unmap_guest_heap:
- pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
- return ret;
}
void vbox_hw_fini(struct vbox_private *vbox)
{
vbox_accel_fini(vbox);
- gen_pool_destroy(vbox->guest_pool);
- pci_iounmap(vbox->ddev.pdev, vbox->guest_heap);
}
diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
index 0883a435e62b..d9a5af62af89 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
@@ -36,7 +36,7 @@ static void vbox_do_modeset(struct drm_crtc *crtc)
u16 flags;
s32 x_offset, y_offset;
- vbox = crtc->dev->dev_private;
+ vbox = to_vbox_dev(crtc->dev);
width = vbox_crtc->width ? vbox_crtc->width : 640;
height = vbox_crtc->height ? vbox_crtc->height : 480;
bpp = fb ? fb->format->cpp[0] * 8 : 32;
@@ -77,7 +77,7 @@ static void vbox_do_modeset(struct drm_crtc *crtc)
static int vbox_set_view(struct drm_crtc *crtc)
{
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
- struct vbox_private *vbox = crtc->dev->dev_private;
+ struct vbox_private *vbox = to_vbox_dev(crtc->dev);
struct vbva_infoview *p;
/*
@@ -174,7 +174,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc,
int x, int y)
{
struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(fb->obj[0]);
- struct vbox_private *vbox = crtc->dev->dev_private;
+ struct vbox_private *vbox = to_vbox_dev(crtc->dev);
struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc);
bool needs_modeset = drm_atomic_crtc_needs_modeset(crtc->state);
@@ -272,7 +272,7 @@ static void vbox_primary_atomic_update(struct drm_plane *plane,
{
struct drm_crtc *crtc = plane->state->crtc;
struct drm_framebuffer *fb = plane->state->fb;
- struct vbox_private *vbox = fb->dev->dev_private;
+ struct vbox_private *vbox = to_vbox_dev(fb->dev);
struct drm_mode_rect *clips;
uint32_t num_clips, i;
@@ -704,7 +704,7 @@ static int vbox_get_modes(struct drm_connector *connector)
int preferred_width, preferred_height;
vbox_connector = to_vbox_connector(connector);
- vbox = connector->dev->dev_private;
+ vbox = to_vbox_dev(connector->dev);
hgsmi_report_flags_location(vbox->guest_pool, GUEST_HEAP_OFFSET(vbox) +
HOST_FLAGS_OFFSET);
diff --git a/drivers/gpu/drm/vboxvideo/vbox_ttm.c b/drivers/gpu/drm/vboxvideo/vbox_ttm.c
index 976423d0c3cc..f5a06675da43 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_ttm.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_ttm.c
@@ -24,25 +24,13 @@ int vbox_mm_init(struct vbox_private *vbox)
return ret;
}
-#ifdef DRM_MTRR_WC
- vbox->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 0),
- pci_resource_len(dev->pdev, 0),
- DRM_MTRR_WC);
-#else
vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(dev->pdev, 0),
pci_resource_len(dev->pdev, 0));
-#endif
return 0;
}
void vbox_mm_fini(struct vbox_private *vbox)
{
-#ifdef DRM_MTRR_WC
- drm_mtrr_del(vbox->fb_mtrr,
- pci_resource_start(vbox->ddev.pdev, 0),
- pci_resource_len(vbox->ddev.pdev, 0), DRM_MTRR_WC);
-#else
arch_phys_wc_del(vbox->fb_mtrr);
-#endif
drm_vram_helper_release_mm(&vbox->ddev);
}
diff --git a/drivers/gpu/drm/vc4/vc4_debugfs.c b/drivers/gpu/drm/vc4/vc4_debugfs.c
index b61b2d3407b5..4fbbf980a299 100644
--- a/drivers/gpu/drm/vc4/vc4_debugfs.c
+++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
@@ -20,7 +20,7 @@ struct vc4_debugfs_info_entry {
* Called at drm_dev_register() time on each of the minors registered
* by the DRM device, to attach the debugfs files.
*/
-int
+void
vc4_debugfs_init(struct drm_minor *minor)
{
struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
@@ -30,14 +30,9 @@ vc4_debugfs_init(struct drm_minor *minor)
minor->debugfs_root, &vc4->load_tracker_enabled);
list_for_each_entry(entry, &vc4->debugfs_list, link) {
- int ret = drm_debugfs_create_files(&entry->info, 1,
- minor->debugfs_root, minor);
-
- if (ret)
- return ret;
+ drm_debugfs_create_files(&entry->info, 1,
+ minor->debugfs_root, minor);
}
-
- return 0;
}
static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index 6dfede03396e..a90f2545baee 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -17,6 +17,7 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/of_graph.h>
@@ -114,10 +115,6 @@ static const struct debugfs_reg32 dpi_regs[] = {
VC4_REG32(DPI_ID),
};
-static const struct drm_encoder_funcs vc4_dpi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void vc4_dpi_encoder_disable(struct drm_encoder *encoder)
{
struct vc4_dpi_encoder *vc4_encoder = to_vc4_dpi_encoder(encoder);
@@ -309,8 +306,7 @@ static int vc4_dpi_bind(struct device *dev, struct device *master, void *data)
if (ret)
DRM_ERROR("Failed to turn on core clock: %d\n", ret);
- drm_encoder_init(drm, dpi->encoder, &vc4_dpi_encoder_funcs,
- DRM_MODE_ENCODER_DPI, NULL);
+ drm_simple_encoder_init(drm, dpi->encoder, DRM_MODE_ENCODER_DPI);
drm_encoder_helper_add(dpi->encoder, &vc4_dpi_encoder_helper_funcs);
ret = vc4_dpi_init_bridge(dpi);
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index 139d25a8328e..3b1f02efefbe 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -759,7 +759,7 @@ void vc4_crtc_get_margins(struct drm_crtc_state *state,
unsigned int *top, unsigned int *bottom);
/* vc4_debugfs.c */
-int vc4_debugfs_init(struct drm_minor *minor);
+void vc4_debugfs_init(struct drm_minor *minor);
#ifdef CONFIG_DEBUG_FS
void vc4_debugfs_add_file(struct drm_device *drm,
const char *filename,
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index d99b1d526651..eaf276978ee7 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -37,6 +37,7 @@
#include <drm/drm_of.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "vc4_drv.h"
#include "vc4_regs.h"
@@ -652,15 +653,6 @@ static const struct debugfs_reg32 dsi1_regs[] = {
VC4_REG32(DSI1_ID),
};
-static void vc4_dsi_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs vc4_dsi_encoder_funcs = {
- .destroy = vc4_dsi_encoder_destroy,
-};
-
static void vc4_dsi_latch_ulps(struct vc4_dsi *dsi, bool latch)
{
u32 afec0 = DSI_PORT_READ(PHY_AFEC0);
@@ -1615,8 +1607,7 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
if (dsi->port == 1)
vc4->dsi1 = dsi;
- drm_encoder_init(drm, dsi->encoder, &vc4_dsi_encoder_funcs,
- DRM_MODE_ENCODER_DSI, NULL);
+ drm_simple_encoder_init(drm, dsi->encoder, DRM_MODE_ENCODER_DSI);
drm_encoder_helper_add(dsi->encoder, &vc4_dsi_encoder_helper_funcs);
ret = drm_bridge_attach(dsi->encoder, dsi->bridge, NULL, 0);
@@ -1656,7 +1647,7 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master,
* normally.
*/
list_splice_init(&dsi->bridge_chain, &dsi->encoder->bridge_chain);
- vc4_dsi_encoder_destroy(dsi->encoder);
+ drm_encoder_cleanup(dsi->encoder);
if (dsi->port == 1)
vc4->dsi1 = NULL;
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 340719238753..625bfcf52dc4 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -34,6 +34,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_edid.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/i2c.h>
@@ -306,15 +307,6 @@ static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev,
return connector;
}
-static void vc4_hdmi_encoder_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs vc4_hdmi_encoder_funcs = {
- .destroy = vc4_hdmi_encoder_destroy,
-};
-
static int vc4_hdmi_stop_packet(struct drm_encoder *encoder,
enum hdmi_infoframe_type type)
{
@@ -1406,8 +1398,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
}
pm_runtime_enable(dev);
- drm_encoder_init(drm, hdmi->encoder, &vc4_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, hdmi->encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(hdmi->encoder, &vc4_hdmi_encoder_helper_funcs);
hdmi->connector =
@@ -1465,7 +1456,7 @@ err_destroy_conn:
vc4_hdmi_connector_destroy(hdmi->connector);
#endif
err_destroy_encoder:
- vc4_hdmi_encoder_destroy(hdmi->encoder);
+ drm_encoder_cleanup(hdmi->encoder);
err_unprepare_hsm:
clk_disable_unprepare(hdmi->hsm_clock);
pm_runtime_disable(dev);
@@ -1484,7 +1475,7 @@ static void vc4_hdmi_unbind(struct device *dev, struct device *master,
cec_unregister_adapter(hdmi->cec_adap);
vc4_hdmi_connector_destroy(hdmi->connector);
- vc4_hdmi_encoder_destroy(hdmi->encoder);
+ drm_encoder_cleanup(hdmi->encoder);
clk_disable_unprepare(hdmi->hsm_clock);
pm_runtime_disable(dev);
diff --git a/drivers/gpu/drm/vc4/vc4_vec.c b/drivers/gpu/drm/vc4/vc4_vec.c
index 7402bc768664..bd5b8eb58b18 100644
--- a/drivers/gpu/drm/vc4/vc4_vec.c
+++ b/drivers/gpu/drm/vc4/vc4_vec.c
@@ -17,6 +17,7 @@
#include <drm/drm_edid.h>
#include <drm/drm_panel.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/of_graph.h>
@@ -374,10 +375,6 @@ static struct drm_connector *vc4_vec_connector_init(struct drm_device *dev,
return connector;
}
-static const struct drm_encoder_funcs vc4_vec_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static void vc4_vec_encoder_disable(struct drm_encoder *encoder)
{
struct vc4_vec_encoder *vc4_vec_encoder = to_vc4_vec_encoder(encoder);
@@ -566,8 +563,7 @@ static int vc4_vec_bind(struct device *dev, struct device *master, void *data)
pm_runtime_enable(dev);
- drm_encoder_init(drm, vec->encoder, &vc4_vec_encoder_funcs,
- DRM_MODE_ENCODER_TVDAC, NULL);
+ drm_simple_encoder_init(drm, vec->encoder, DRM_MODE_ENCODER_TVDAC);
drm_encoder_helper_add(vec->encoder, &vc4_vec_encoder_helper_funcs);
vec->connector = vc4_vec_connector_init(drm, vec);
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index 909eba43664a..ec1a8ebb6f1b 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -39,6 +39,7 @@
#include <drm/drm_drv.h>
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_prime.h>
#include "vgem_drv.h"
@@ -431,9 +432,6 @@ static void vgem_release(struct drm_device *dev)
struct vgem_device *vgem = container_of(dev, typeof(*vgem), drm);
platform_device_unregister(vgem->platform);
- drm_dev_fini(&vgem->drm);
-
- kfree(vgem);
}
static struct drm_driver vgem_driver = {
@@ -489,16 +487,19 @@ static int __init vgem_init(void)
&vgem_device->platform->dev);
if (ret)
goto out_unregister;
+ drmm_add_final_kfree(&vgem_device->drm, vgem_device);
/* Final step: expose the device/driver to userspace */
- ret = drm_dev_register(&vgem_device->drm, 0);
+ ret = drm_dev_register(&vgem_device->drm, 0);
if (ret)
- goto out_fini;
+ goto out_put;
return 0;
-out_fini:
- drm_dev_fini(&vgem_device->drm);
+out_put:
+ drm_dev_put(&vgem_device->drm);
+ return ret;
+
out_unregister:
platform_device_unregister(vgem_device->platform);
out_free:
diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
index e27120d512b0..3221520f61f0 100644
--- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c
+++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
@@ -72,11 +72,10 @@ static struct drm_info_list virtio_gpu_debugfs_list[] = {
#define VIRTIO_GPU_DEBUGFS_ENTRIES ARRAY_SIZE(virtio_gpu_debugfs_list)
-int
+void
virtio_gpu_debugfs_init(struct drm_minor *minor)
{
drm_debugfs_create_files(virtio_gpu_debugfs_list,
VIRTIO_GPU_DEBUGFS_ENTRIES,
minor->debugfs_root, minor);
- return 0;
}
diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index 2b7e6ae65546..cc7fd957a307 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -30,6 +30,7 @@
#include <drm/drm_fourcc.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "virtgpu_drv.h"
@@ -240,10 +241,6 @@ static const struct drm_connector_funcs virtio_gpu_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static const struct drm_encoder_funcs virtio_gpu_enc_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index)
{
struct drm_device *dev = vgdev->ddev;
@@ -276,8 +273,7 @@ static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index)
if (vgdev->has_edid)
drm_connector_attach_edid_property(connector);
- drm_encoder_init(dev, encoder, &virtio_gpu_enc_funcs,
- DRM_MODE_ENCODER_VIRTUAL, NULL);
+ drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL);
drm_encoder_helper_add(encoder, &virtio_gpu_enc_helper_funcs);
encoder->possible_crtcs = 1 << index;
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index c1824bdf2418..9ff9f4ac0522 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -218,26 +218,19 @@ struct virtio_gpu_fpriv {
struct mutex context_lock;
};
-/* virtio_ioctl.c */
+/* virtgpu_ioctl.c */
#define DRM_VIRTIO_NUM_IOCTLS 10
extern struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS];
+void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file);
-/* virtio_kms.c */
+/* virtgpu_kms.c */
int virtio_gpu_init(struct drm_device *dev);
void virtio_gpu_deinit(struct drm_device *dev);
void virtio_gpu_release(struct drm_device *dev);
int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file);
void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file);
-/* virtio_gem.c */
-void virtio_gpu_gem_free_object(struct drm_gem_object *gem_obj);
-int virtio_gpu_gem_init(struct virtio_gpu_device *vgdev);
-void virtio_gpu_gem_fini(struct virtio_gpu_device *vgdev);
-int virtio_gpu_gem_create(struct drm_file *file,
- struct drm_device *dev,
- struct virtio_gpu_object_params *params,
- struct drm_gem_object **obj_p,
- uint32_t *handle_p);
+/* virtgpu_gem.c */
int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
struct drm_file *file);
void virtio_gpu_gem_object_close(struct drm_gem_object *obj,
@@ -263,7 +256,7 @@ void virtio_gpu_array_put_free_delayed(struct virtio_gpu_device *vgdev,
struct virtio_gpu_object_array *objs);
void virtio_gpu_array_put_free_work(struct work_struct *work);
-/* virtio vg */
+/* virtgpu_vq.c */
int virtio_gpu_alloc_vbufs(struct virtio_gpu_device *vgdev);
void virtio_gpu_free_vbufs(struct virtio_gpu_device *vgdev);
void virtio_gpu_cmd_create_resource(struct virtio_gpu_device *vgdev,
@@ -287,10 +280,10 @@ void virtio_gpu_cmd_set_scanout(struct virtio_gpu_device *vgdev,
uint32_t scanout_id, uint32_t resource_id,
uint32_t width, uint32_t height,
uint32_t x, uint32_t y);
-int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
- struct virtio_gpu_object *obj,
- struct virtio_gpu_mem_entry *ents,
- unsigned int nents);
+void virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_object *obj,
+ struct virtio_gpu_mem_entry *ents,
+ unsigned int nents);
int virtio_gpu_attach_status_page(struct virtio_gpu_device *vgdev);
int virtio_gpu_detach_status_page(struct virtio_gpu_device *vgdev);
void virtio_gpu_cursor_ping(struct virtio_gpu_device *vgdev,
@@ -343,17 +336,17 @@ void virtio_gpu_dequeue_fence_func(struct work_struct *work);
void virtio_gpu_notify(struct virtio_gpu_device *vgdev);
-/* virtio_gpu_display.c */
+/* virtgpu_display.c */
void virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev);
void virtio_gpu_modeset_fini(struct virtio_gpu_device *vgdev);
-/* virtio_gpu_plane.c */
+/* virtgpu_plane.c */
uint32_t virtio_gpu_translate_format(uint32_t drm_fourcc);
struct drm_plane *virtio_gpu_plane_init(struct virtio_gpu_device *vgdev,
enum drm_plane_type type,
int index);
-/* virtio_gpu_fence.c */
+/* virtgpu_fence.c */
struct virtio_gpu_fence *virtio_gpu_fence_alloc(
struct virtio_gpu_device *vgdev);
void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
@@ -362,7 +355,7 @@ void virtio_gpu_fence_emit(struct virtio_gpu_device *vgdev,
void virtio_gpu_fence_event_process(struct virtio_gpu_device *vdev,
u64 last_seq);
-/* virtio_gpu_object */
+/* virtgpu_object.c */
void virtio_gpu_cleanup_object(struct virtio_gpu_object *bo);
struct drm_gem_object *virtio_gpu_create_object(struct drm_device *dev,
size_t size);
@@ -378,7 +371,7 @@ struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
struct drm_device *dev, struct dma_buf_attachment *attach,
struct sg_table *sgt);
-/* virgl debugfs */
-int virtio_gpu_debugfs_init(struct drm_minor *minor);
+/* virtgpu_debugfs.c */
+void virtio_gpu_debugfs_init(struct drm_minor *minor);
#endif
diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c
index 0d6152c99a27..d6cb350ae52a 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -28,17 +28,20 @@
#include "virtgpu_drv.h"
-int virtio_gpu_gem_create(struct drm_file *file,
- struct drm_device *dev,
- struct virtio_gpu_object_params *params,
- struct drm_gem_object **obj_p,
- uint32_t *handle_p)
+static int virtio_gpu_gem_create(struct drm_file *file,
+ struct drm_device *dev,
+ struct virtio_gpu_object_params *params,
+ struct drm_gem_object **obj_p,
+ uint32_t *handle_p)
{
struct virtio_gpu_device *vgdev = dev->dev_private;
struct virtio_gpu_object *obj;
int ret;
u32 handle;
+ if (vgdev->has_virgl_3d)
+ virtio_gpu_create_context(dev, file);
+
ret = virtio_gpu_object_create(vgdev, params, &obj, NULL);
if (ret < 0)
return ret;
@@ -114,7 +117,7 @@ int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
struct virtio_gpu_object_array *objs;
if (!vgdev->has_virgl_3d)
- return 0;
+ goto out_notify;
objs = virtio_gpu_array_alloc(1);
if (!objs)
@@ -123,6 +126,7 @@ int virtio_gpu_gem_object_open(struct drm_gem_object *obj,
virtio_gpu_cmd_context_attach_resource(vgdev, vfpriv->ctx_id,
objs);
+out_notify:
virtio_gpu_notify(vgdev);
return 0;
}
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 336cc9143205..5df722072ba0 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -27,14 +27,14 @@
#include <linux/file.h>
#include <linux/sync_file.h>
+#include <linux/uaccess.h>
#include <drm/drm_file.h>
#include <drm/virtgpu_drm.h>
#include "virtgpu_drv.h"
-static void virtio_gpu_create_context(struct drm_device *dev,
- struct drm_file *file)
+void virtio_gpu_create_context(struct drm_device *dev, struct drm_file *file)
{
struct virtio_gpu_device *vgdev = dev->dev_private;
struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
@@ -47,7 +47,6 @@ static void virtio_gpu_create_context(struct drm_device *dev,
get_task_comm(dbgname, current);
virtio_gpu_cmd_context_create(vgdev, vfpriv->ctx_id,
strlen(dbgname), dbgname);
- virtio_gpu_notify(vgdev);
vfpriv->context_created = true;
out_unlock:
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 023a030ca7b9..0a5c8cf409fb 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -25,6 +25,7 @@
#include <linux/virtio.h>
#include <linux/virtio_config.h>
+#include <linux/virtio_ring.h>
#include <drm/drm_file.h>
@@ -52,14 +53,6 @@ static void virtio_gpu_config_changed_work_func(struct work_struct *work)
events_clear, &events_clear);
}
-static void virtio_gpu_context_destroy(struct virtio_gpu_device *vgdev,
- uint32_t ctx_id)
-{
- virtio_gpu_cmd_context_destroy(vgdev, ctx_id);
- virtio_gpu_notify(vgdev);
- ida_free(&vgdev->ctx_id_ida, ctx_id - 1);
-}
-
static void virtio_gpu_init_vq(struct virtio_gpu_queue *vgvq,
void (*work_func)(struct work_struct *work))
{
@@ -274,14 +267,17 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)
void virtio_gpu_driver_postclose(struct drm_device *dev, struct drm_file *file)
{
struct virtio_gpu_device *vgdev = dev->dev_private;
- struct virtio_gpu_fpriv *vfpriv;
+ struct virtio_gpu_fpriv *vfpriv = file->driver_priv;
if (!vgdev->has_virgl_3d)
return;
- vfpriv = file->driver_priv;
+ if (vfpriv->context_created) {
+ virtio_gpu_cmd_context_destroy(vgdev, vfpriv->ctx_id);
+ virtio_gpu_notify(vgdev);
+ }
- virtio_gpu_context_destroy(vgdev, vfpriv->ctx_id);
+ ida_free(&vgdev->ctx_id_ida, vfpriv->ctx_id - 1);
mutex_destroy(&vfpriv->context_lock);
kfree(vfpriv);
file->driver_priv = NULL;
diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c
index d9039bb7c5e3..6ccbd01cd888 100644
--- a/drivers/gpu/drm/virtio/virtgpu_object.c
+++ b/drivers/gpu/drm/virtio/virtgpu_object.c
@@ -235,13 +235,8 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
return ret;
}
- ret = virtio_gpu_object_attach(vgdev, bo, ents, nents);
- if (ret != 0) {
- virtio_gpu_free_object(&shmem_obj->base);
- return ret;
- }
+ virtio_gpu_object_attach(vgdev, bo, ents, nents);
- virtio_gpu_notify(vgdev);
*bo_ptr = bo;
return 0;
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 73854915ec34..9e663a5d9952 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -1087,14 +1087,13 @@ void virtio_gpu_cmd_submit(struct virtio_gpu_device *vgdev,
virtio_gpu_queue_fenced_ctrl_buffer(vgdev, vbuf, fence);
}
-int virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
- struct virtio_gpu_object *obj,
- struct virtio_gpu_mem_entry *ents,
- unsigned int nents)
+void virtio_gpu_object_attach(struct virtio_gpu_device *vgdev,
+ struct virtio_gpu_object *obj,
+ struct virtio_gpu_mem_entry *ents,
+ unsigned int nents)
{
virtio_gpu_cmd_resource_attach_backing(vgdev, obj->hw_res_handle,
ents, nents, NULL);
- return 0;
}
void virtio_gpu_cursor_ping(struct virtio_gpu_device *vgdev,
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 860de052e820..1e8b2169d834 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -21,6 +21,7 @@
#include <drm/drm_file.h>
#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_ioctl.h>
+#include <drm/drm_managed.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_vblank.h>
@@ -34,7 +35,7 @@
static struct vkms_device *vkms_device;
-bool enable_cursor;
+bool enable_cursor = true;
module_param_named(enable_cursor, enable_cursor, bool, 0444);
MODULE_PARM_DESC(enable_cursor, "Enable/Disable cursor support");
@@ -63,7 +64,6 @@ static void vkms_release(struct drm_device *dev)
platform_device_unregister(vkms->platform);
drm_atomic_helper_shutdown(&vkms->drm);
drm_mode_config_cleanup(&vkms->drm);
- drm_dev_fini(&vkms->drm);
destroy_workqueue(vkms->output.composer_workq);
}
@@ -158,13 +158,14 @@ static int __init vkms_init(void)
&vkms_device->platform->dev);
if (ret)
goto out_unregister;
+ drmm_add_final_kfree(&vkms_device->drm, vkms_device);
ret = dma_coerce_mask_and_coherent(vkms_device->drm.dev,
DMA_BIT_MASK(64));
if (ret) {
DRM_ERROR("Could not initialize DMA support\n");
- goto out_fini;
+ goto out_put;
}
vkms_device->drm.irq_enabled = true;
@@ -172,25 +173,25 @@ static int __init vkms_init(void)
ret = drm_vblank_init(&vkms_device->drm, 1);
if (ret) {
DRM_ERROR("Failed to vblank\n");
- goto out_fini;
+ goto out_put;
}
ret = vkms_modeset_init(vkms_device);
if (ret)
- goto out_fini;
+ goto out_put;
ret = drm_dev_register(&vkms_device->drm, 0);
if (ret)
- goto out_fini;
+ goto out_put;
return 0;
-out_fini:
- drm_dev_fini(&vkms_device->drm);
+out_put:
+ drm_dev_put(&vkms_device->drm);
+ return ret;
out_unregister:
platform_device_unregister(vkms_device->platform);
-
out_free:
kfree(vkms_device);
return ret;
@@ -205,8 +206,6 @@ static void __exit vkms_exit(void)
drm_dev_unregister(&vkms_device->drm);
drm_dev_put(&vkms_device->drm);
-
- kfree(vkms_device);
}
module_init(vkms_init);
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index eda04ffba7b1..f4036bb0b9a8 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -117,11 +117,6 @@ struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
enum drm_plane_type type, int index);
/* Gem stuff */
-struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
- struct drm_file *file,
- u32 *handle,
- u64 size);
-
vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
diff --git a/drivers/gpu/drm/vkms/vkms_gem.c b/drivers/gpu/drm/vkms/vkms_gem.c
index 2e01186fb943..c541fec57566 100644
--- a/drivers/gpu/drm/vkms/vkms_gem.c
+++ b/drivers/gpu/drm/vkms/vkms_gem.c
@@ -97,10 +97,10 @@ vm_fault_t vkms_gem_fault(struct vm_fault *vmf)
return ret;
}
-struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
- struct drm_file *file,
- u32 *handle,
- u64 size)
+static struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
+ struct drm_file *file,
+ u32 *handle,
+ u64 size)
{
struct vkms_gem_object *obj;
int ret;
@@ -113,7 +113,6 @@ struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
return ERR_CAST(obj);
ret = drm_gem_handle_create(file, &obj->gem, handle);
- drm_gem_object_put_unlocked(&obj->gem);
if (ret)
return ERR_PTR(ret);
@@ -142,6 +141,8 @@ int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
args->size = gem_obj->size;
args->pitch = pitch;
+ drm_gem_object_put_unlocked(gem_obj);
+
DRM_DEBUG_DRIVER("Created object of size %lld\n", size);
return 0;
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index fb1941a6522c..85afb77e97f0 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -3,6 +3,7 @@
#include "vkms_drv.h"
#include <drm/drm_atomic_helper.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
static void vkms_connector_destroy(struct drm_connector *connector)
{
@@ -17,10 +18,6 @@ static const struct drm_connector_funcs vkms_connector_funcs = {
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
};
-static const struct drm_encoder_funcs vkms_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int vkms_conn_get_modes(struct drm_connector *connector)
{
int count;
@@ -70,8 +67,7 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index)
drm_connector_helper_add(connector, &vkms_conn_helper_funcs);
- ret = drm_encoder_init(dev, encoder, &vkms_encoder_funcs,
- DRM_MODE_ENCODER_VIRTUAL, NULL);
+ ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL);
if (ret) {
DRM_ERROR("Failed to init encoder\n");
goto err_encoder;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 8cdcd6e5f9e1..3596f3923ea3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -850,7 +850,7 @@ extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
extern int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
- bool interuptable,
+ bool interruptible,
void (*bo_free)(struct ttm_buffer_object *bo));
extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
struct ttm_object_file *tfile);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 178a6cd1a06f..0f8d29397157 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -515,7 +515,7 @@ bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence)
struct vmw_fence_manager *fman = fman_from_fence(fence);
if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->base.flags))
- return 1;
+ return true;
vmw_fences_update(fman);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 7ef51fa84b01..126f93c0b0b8 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -1651,7 +1651,7 @@ vmw_gb_surface_reference_internal(struct drm_device *dev,
struct vmw_surface_metadata *metadata;
struct ttm_base_object *base;
uint32_t backup_handle;
- int ret = -EINVAL;
+ int ret;
ret = vmw_surface_handle_reference(dev_priv, file_priv, req->sid,
req->handle_type, &base);
diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
index 374142018171..1fd458e877ca 100644
--- a/drivers/gpu/drm/xen/xen_drm_front.c
+++ b/drivers/gpu/drm/xen/xen_drm_front.c
@@ -460,9 +460,6 @@ static void xen_drm_drv_release(struct drm_device *dev)
drm_atomic_helper_shutdown(dev);
drm_mode_config_cleanup(dev);
- drm_dev_fini(dev);
- kfree(dev);
-
if (front_info->cfg.be_alloc)
xenbus_switch_state(front_info->xb_dev,
XenbusStateInitialising);
@@ -561,6 +558,7 @@ fail_register:
fail_modeset:
drm_kms_helper_poll_fini(drm_dev);
drm_mode_config_cleanup(drm_dev);
+ drm_dev_put(drm_dev);
fail:
kfree(drm_info);
return ret;
diff --git a/drivers/gpu/drm/zte/zx_hdmi.c b/drivers/gpu/drm/zte/zx_hdmi.c
index b98a1420dcd3..76a16d997a23 100644
--- a/drivers/gpu/drm/zte/zx_hdmi.c
+++ b/drivers/gpu/drm/zte/zx_hdmi.c
@@ -20,6 +20,7 @@
#include <drm/drm_of.h>
#include <drm/drm_probe_helper.h>
#include <drm/drm_print.h>
+#include <drm/drm_simple_kms_helper.h>
#include <sound/hdmi-codec.h>
@@ -254,10 +255,6 @@ static const struct drm_encoder_helper_funcs zx_hdmi_encoder_helper_funcs = {
.mode_set = zx_hdmi_encoder_mode_set,
};
-static const struct drm_encoder_funcs zx_hdmi_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int zx_hdmi_connector_get_modes(struct drm_connector *connector)
{
struct zx_hdmi *hdmi = to_zx_hdmi(connector);
@@ -313,8 +310,7 @@ static int zx_hdmi_register(struct drm_device *drm, struct zx_hdmi *hdmi)
encoder->possible_crtcs = VOU_CRTC_MASK;
- drm_encoder_init(drm, encoder, &zx_hdmi_encoder_funcs,
- DRM_MODE_ENCODER_TMDS, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
drm_encoder_helper_add(encoder, &zx_hdmi_encoder_helper_funcs);
hdmi->connector.polled = DRM_CONNECTOR_POLL_HPD;
diff --git a/drivers/gpu/drm/zte/zx_tvenc.c b/drivers/gpu/drm/zte/zx_tvenc.c
index c598b7daf1f1..d8a89ba383bc 100644
--- a/drivers/gpu/drm/zte/zx_tvenc.c
+++ b/drivers/gpu/drm/zte/zx_tvenc.c
@@ -14,6 +14,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "zx_drm_drv.h"
#include "zx_tvenc_regs.h"
@@ -218,10 +219,6 @@ static const struct drm_encoder_helper_funcs zx_tvenc_encoder_helper_funcs = {
.mode_set = zx_tvenc_encoder_mode_set,
};
-static const struct drm_encoder_funcs zx_tvenc_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int zx_tvenc_connector_get_modes(struct drm_connector *connector)
{
struct zx_tvenc *tvenc = to_zx_tvenc(connector);
@@ -285,8 +282,7 @@ static int zx_tvenc_register(struct drm_device *drm, struct zx_tvenc *tvenc)
*/
encoder->possible_crtcs = BIT(1);
- drm_encoder_init(drm, encoder, &zx_tvenc_encoder_funcs,
- DRM_MODE_ENCODER_TVDAC, NULL);
+ drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TVDAC);
drm_encoder_helper_add(encoder, &zx_tvenc_encoder_helper_funcs);
connector->interlace_allowed = true;
diff --git a/drivers/gpu/drm/zte/zx_vga.c b/drivers/gpu/drm/zte/zx_vga.c
index c4fa3bbaba78..a7ed7f5ca837 100644
--- a/drivers/gpu/drm/zte/zx_vga.c
+++ b/drivers/gpu/drm/zte/zx_vga.c
@@ -14,6 +14,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_print.h>
#include <drm/drm_probe_helper.h>
+#include <drm/drm_simple_kms_helper.h>
#include "zx_drm_drv.h"
#include "zx_vga_regs.h"
@@ -72,10 +73,6 @@ static const struct drm_encoder_helper_funcs zx_vga_encoder_helper_funcs = {
.disable = zx_vga_encoder_disable,
};
-static const struct drm_encoder_funcs zx_vga_encoder_funcs = {
- .destroy = drm_encoder_cleanup,
-};
-
static int zx_vga_connector_get_modes(struct drm_connector *connector)
{
struct zx_vga *vga = to_zx_vga(connector);
@@ -154,8 +151,7 @@ static int zx_vga_register(struct drm_device *drm, struct zx_vga *vga)
encoder->possible_crtcs = VOU_CRTC_MASK;
- ret = drm_encoder_init(drm, encoder, &zx_vga_encoder_funcs,
- DRM_MODE_ENCODER_DAC, NULL);
+ ret = drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_DAC);
if (ret) {
DRM_DEV_ERROR(dev, "failed to init encoder: %d\n", ret);
return ret;
diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c
index 388bcc2889aa..d24344e91922 100644
--- a/drivers/gpu/host1x/dev.c
+++ b/drivers/gpu/host1x/dev.c
@@ -192,17 +192,55 @@ static void host1x_setup_sid_table(struct host1x *host)
}
}
+static bool host1x_wants_iommu(struct host1x *host1x)
+{
+ /*
+ * If we support addressing a maximum of 32 bits of physical memory
+ * and if the host1x firewall is enabled, there's no need to enable
+ * IOMMU support. This can happen for example on Tegra20, Tegra30
+ * and Tegra114.
+ *
+ * Tegra124 and later can address up to 34 bits of physical memory and
+ * many platforms come equipped with more than 2 GiB of system memory,
+ * which requires crossing the 4 GiB boundary. But there's a catch: on
+ * SoCs before Tegra186 (i.e. Tegra124 and Tegra210), the host1x can
+ * only address up to 32 bits of memory in GATHER opcodes, which means
+ * that command buffers need to either be in the first 2 GiB of system
+ * memory (which could quickly lead to memory exhaustion), or command
+ * buffers need to be treated differently from other buffers (which is
+ * not possible with the current ABI).
+ *
+ * A third option is to use the IOMMU in these cases to make sure all
+ * buffers will be mapped into a 32-bit IOVA space that host1x can
+ * address. This allows all of the system memory to be used and works
+ * within the limitations of the host1x on these SoCs.
+ *
+ * In summary, default to enable IOMMU on Tegra124 and later. For any
+ * of the earlier SoCs, only use the IOMMU for additional safety when
+ * the host1x firewall is disabled.
+ */
+ if (host1x->info->dma_mask <= DMA_BIT_MASK(32)) {
+ if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL))
+ return false;
+ }
+
+ return true;
+}
+
static struct iommu_domain *host1x_iommu_attach(struct host1x *host)
{
struct iommu_domain *domain = iommu_get_domain_for_dev(host->dev);
int err;
/*
- * If the host1x firewall is enabled, there's no need to enable IOMMU
- * support. Similarly, if host1x is already attached to an IOMMU (via
- * the DMA API), don't try to attach again.
+ * We may not always want to enable IOMMU support (for example if the
+ * host1x firewall is already enabled and we don't support addressing
+ * more than 32 bits of physical memory), so check for that first.
+ *
+ * Similarly, if host1x is already attached to an IOMMU (via the DMA
+ * API), don't try to attach again.
*/
- if (IS_ENABLED(CONFIG_TEGRA_HOST1X_FIREWALL) || domain)
+ if (!host1x_wants_iommu(host) || domain)
return domain;
host->group = iommu_group_get(host->dev);
@@ -502,6 +540,19 @@ static void __exit tegra_host1x_exit(void)
}
module_exit(tegra_host1x_exit);
+/**
+ * host1x_get_dma_mask() - query the supported DMA mask for host1x
+ * @host1x: host1x instance
+ *
+ * Note that this returns the supported DMA mask for host1x, which can be
+ * different from the applicable DMA mask under certain circumstances.
+ */
+u64 host1x_get_dma_mask(struct host1x *host1x)
+{
+ return host1x->info->dma_mask;
+}
+EXPORT_SYMBOL(host1x_get_dma_mask);
+
MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
MODULE_AUTHOR("Terje Bergstrom <tbergstrom@nvidia.com>");
MODULE_DESCRIPTION("Host1x driver for Tegra products");
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 7c89edbd6c5a..34f07371716d 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -1155,6 +1155,7 @@ config HID_ALPS
config HID_MCP2221
tristate "Microchip MCP2221 HID USB-to-I2C/SMbus host support"
depends on USB_HID && I2C
+ depends on GPIOLIB
---help---
Provides I2C and SMBUS host adapter functionality over USB-HID
through MCP2221 device.
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index fa704153cb00..b2ad319a74b9 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -802,6 +802,7 @@ static int alps_probe(struct hid_device *hdev, const struct hid_device_id *id)
break;
case HID_DEVICE_ID_ALPS_U1_DUAL:
case HID_DEVICE_ID_ALPS_U1:
+ case HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY:
data->dev_type = U1;
break;
default:
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index b18b13147a6f..1c71a1aa76b2 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -79,10 +79,10 @@
#define HID_DEVICE_ID_ALPS_U1_DUAL_PTP 0x121F
#define HID_DEVICE_ID_ALPS_U1_DUAL_3BTN_PTP 0x1220
#define HID_DEVICE_ID_ALPS_U1 0x1215
+#define HID_DEVICE_ID_ALPS_U1_UNICORN_LEGACY 0x121E
#define HID_DEVICE_ID_ALPS_T4_BTNLESS 0x120C
#define HID_DEVICE_ID_ALPS_1222 0x1222
-
#define USB_VENDOR_ID_AMI 0x046b
#define USB_DEVICE_ID_AMI_VIRT_KEYBOARD_AND_MOUSE 0xff10
@@ -385,6 +385,7 @@
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349 0x7349
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7 0x73f7
#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001 0xa001
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002 0xc002
#define USB_VENDOR_ID_ELAN 0x04f3
#define USB_DEVICE_ID_TOSHIBA_CLICK_L9W 0x0401
@@ -759,6 +760,7 @@
#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2 0xc218
#define USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2 0xc219
#define USB_DEVICE_ID_LOGITECH_G15_LCD 0xc222
+#define USB_DEVICE_ID_LOGITECH_G11 0xc225
#define USB_DEVICE_ID_LOGITECH_G15_V2_LCD 0xc227
#define USB_DEVICE_ID_LOGITECH_G510 0xc22d
#define USB_DEVICE_ID_LOGITECH_G510_USB_AUDIO 0xc22e
@@ -1097,6 +1099,9 @@
#define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300
#define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200
+#define I2C_VENDOR_ID_SYNAPTICS 0x06cb
+#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393 0x7a13
+
#define USB_VENDOR_ID_SYNAPTICS 0x06cb
#define USB_DEVICE_ID_SYNAPTICS_TP 0x0001
#define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002
@@ -1111,6 +1116,7 @@
#define USB_DEVICE_ID_SYNAPTICS_LTS2 0x1d10
#define USB_DEVICE_ID_SYNAPTICS_HD 0x0ac3
#define USB_DEVICE_ID_SYNAPTICS_QUAD_HD 0x1ac3
+#define USB_DEVICE_ID_SYNAPTICS_DELL_K12A 0x2819
#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012 0x2968
#define USB_DEVICE_ID_SYNAPTICS_TP_V103 0x5710
#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5 0x81a7
diff --git a/drivers/hid/hid-lg-g15.c b/drivers/hid/hid-lg-g15.c
index ad4b5412a9f4..ef0cbcd7540d 100644
--- a/drivers/hid/hid-lg-g15.c
+++ b/drivers/hid/hid-lg-g15.c
@@ -872,6 +872,10 @@ error_hw_stop:
}
static const struct hid_device_id lg_g15_devices[] = {
+ /* The G11 is a G15 without the LCD, treat it as a G15 */
+ { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
+ USB_DEVICE_ID_LOGITECH_G11),
+ .driver_data = LG_G15 },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_G15_LCD),
.driver_data = LG_G15 },
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 362805ddf377..03c720b47306 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1922,6 +1922,9 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_EGALAX_SERIAL,
MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+ { .driver_data = MT_CLS_EGALAX,
+ MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+ USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
/* Elitegroup panel */
{ .driver_data = MT_CLS_SERIAL,
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index ebec818344af..e4cb543de0cd 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -163,6 +163,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_LTS2), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_QUAD_HD), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP_V103), HID_QUIRK_NO_INIT_REPORTS },
+ { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DELL_K12A), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOPMAX, USB_DEVICE_ID_TOPMAX_COBRAPAD), HID_QUIRK_BADPAD },
{ HID_USB_DEVICE(USB_VENDOR_ID_TOUCHPACK, USB_DEVICE_ID_TOUCHPACK_RTS), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_TPV, USB_DEVICE_ID_TPV_OPTICAL_TOUCHSCREEN_8882), HID_QUIRK_NOGET },
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 009000c5d55c..294c84e136d7 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -177,6 +177,8 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_BOGUS_IRQ },
{ USB_VENDOR_ID_ALPS_JP, HID_ANY_ID,
I2C_HID_QUIRK_RESET_ON_RESUME },
+ { I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393,
+ I2C_HID_QUIRK_RESET_ON_RESUME },
{ USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720,
I2C_HID_QUIRK_BAD_INPUT_SIZE },
{ 0, 0 }
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index c7bc9db5b192..17a638f15082 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -682,16 +682,21 @@ static int usbhid_open(struct hid_device *hid)
struct usbhid_device *usbhid = hid->driver_data;
int res;
+ mutex_lock(&usbhid->mutex);
+
set_bit(HID_OPENED, &usbhid->iofl);
- if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
- return 0;
+ if (hid->quirks & HID_QUIRK_ALWAYS_POLL) {
+ res = 0;
+ goto Done;
+ }
res = usb_autopm_get_interface(usbhid->intf);
/* the device must be awake to reliably request remote wakeup */
if (res < 0) {
clear_bit(HID_OPENED, &usbhid->iofl);
- return -EIO;
+ res = -EIO;
+ goto Done;
}
usbhid->intf->needs_remote_wakeup = 1;
@@ -725,6 +730,9 @@ static int usbhid_open(struct hid_device *hid)
msleep(50);
clear_bit(HID_RESUME_RUNNING, &usbhid->iofl);
+
+ Done:
+ mutex_unlock(&usbhid->mutex);
return res;
}
@@ -732,6 +740,8 @@ static void usbhid_close(struct hid_device *hid)
{
struct usbhid_device *usbhid = hid->driver_data;
+ mutex_lock(&usbhid->mutex);
+
/*
* Make sure we don't restart data acquisition due to
* a resumption we no longer care about by avoiding racing
@@ -743,12 +753,13 @@ static void usbhid_close(struct hid_device *hid)
clear_bit(HID_IN_POLLING, &usbhid->iofl);
spin_unlock_irq(&usbhid->lock);
- if (hid->quirks & HID_QUIRK_ALWAYS_POLL)
- return;
+ if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) {
+ hid_cancel_delayed_stuff(usbhid);
+ usb_kill_urb(usbhid->urbin);
+ usbhid->intf->needs_remote_wakeup = 0;
+ }
- hid_cancel_delayed_stuff(usbhid);
- usb_kill_urb(usbhid->urbin);
- usbhid->intf->needs_remote_wakeup = 0;
+ mutex_unlock(&usbhid->mutex);
}
/*
@@ -1057,6 +1068,8 @@ static int usbhid_start(struct hid_device *hid)
unsigned int n, insize = 0;
int ret;
+ mutex_lock(&usbhid->mutex);
+
clear_bit(HID_DISCONNECTED, &usbhid->iofl);
usbhid->bufsize = HID_MIN_BUFFER_SIZE;
@@ -1177,6 +1190,8 @@ static int usbhid_start(struct hid_device *hid)
usbhid_set_leds(hid);
device_set_wakeup_enable(&dev->dev, 1);
}
+
+ mutex_unlock(&usbhid->mutex);
return 0;
fail:
@@ -1187,6 +1202,7 @@ fail:
usbhid->urbout = NULL;
usbhid->urbctrl = NULL;
hid_free_buffers(dev, hid);
+ mutex_unlock(&usbhid->mutex);
return ret;
}
@@ -1202,6 +1218,8 @@ static void usbhid_stop(struct hid_device *hid)
usbhid->intf->needs_remote_wakeup = 0;
}
+ mutex_lock(&usbhid->mutex);
+
clear_bit(HID_STARTED, &usbhid->iofl);
spin_lock_irq(&usbhid->lock); /* Sync with error and led handlers */
set_bit(HID_DISCONNECTED, &usbhid->iofl);
@@ -1222,6 +1240,8 @@ static void usbhid_stop(struct hid_device *hid)
usbhid->urbout = NULL;
hid_free_buffers(hid_to_usb_dev(hid), hid);
+
+ mutex_unlock(&usbhid->mutex);
}
static int usbhid_power(struct hid_device *hid, int lvl)
@@ -1382,6 +1402,7 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
INIT_WORK(&usbhid->reset_work, hid_reset);
timer_setup(&usbhid->io_retry, hid_retry_timeout, 0);
spin_lock_init(&usbhid->lock);
+ mutex_init(&usbhid->mutex);
ret = hid_add_device(hid);
if (ret) {
diff --git a/drivers/hid/usbhid/usbhid.h b/drivers/hid/usbhid/usbhid.h
index 8620408bd7af..75fe85d3d27a 100644
--- a/drivers/hid/usbhid/usbhid.h
+++ b/drivers/hid/usbhid/usbhid.h
@@ -80,6 +80,7 @@ struct usbhid_device {
dma_addr_t outbuf_dma; /* Output buffer dma */
unsigned long last_out; /* record of last output for timeouts */
+ struct mutex mutex; /* start/stop/open/close */
spinlock_t lock; /* fifo spinlock */
unsigned long iofl; /* I/O flags (CTRL_RUNNING, OUT_RUNNING) */
struct timer_list io_retry; /* Retry timer */
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 5ded94b7bf68..cd71e7133944 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -319,9 +319,11 @@ static void wacom_feature_mapping(struct hid_device *hdev,
data[0] = field->report->id;
ret = wacom_get_report(hdev, HID_FEATURE_REPORT,
data, n, WAC_CMD_RETRIES);
- if (ret == n) {
+ if (ret == n && features->type == HID_GENERIC) {
ret = hid_report_raw_event(hdev,
HID_FEATURE_REPORT, data, n, 0);
+ } else if (ret == 2 && features->type != HID_GENERIC) {
+ features->touch_max = data[1];
} else {
features->touch_max = 16;
hid_warn(hdev, "wacom_feature_mapping: "
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index d99a9d407671..1c96809b51c9 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -1427,11 +1427,13 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
{
struct input_dev *pad_input = wacom->pad_input;
unsigned char *data = wacom->data;
+ int nbuttons = wacom->features.numbered_buttons;
- int buttons = data[282] | ((data[281] & 0x40) << 2);
+ int expresskeys = data[282];
+ int center = (data[281] & 0x40) >> 6;
int ring = data[285] & 0x7F;
bool ringstatus = data[285] & 0x80;
- bool prox = buttons || ringstatus;
+ bool prox = expresskeys || center || ringstatus;
/* Fix touchring data: userspace expects 0 at left and increasing clockwise */
ring = 71 - ring;
@@ -1439,7 +1441,8 @@ static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
if (ring > 71)
ring -= 72;
- wacom_report_numbered_buttons(pad_input, 9, buttons);
+ wacom_report_numbered_buttons(pad_input, nbuttons,
+ expresskeys | (center << (nbuttons - 1)));
input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
@@ -2637,9 +2640,25 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
case HID_DG_TIPSWITCH:
hid_data->last_slot_field = equivalent_usage;
break;
+ case HID_DG_CONTACTCOUNT:
+ hid_data->cc_report = report->id;
+ hid_data->cc_index = i;
+ hid_data->cc_value_index = j;
+ break;
}
}
}
+
+ if (hid_data->cc_report != 0 &&
+ hid_data->cc_index >= 0) {
+ struct hid_field *field = report->field[hid_data->cc_index];
+ int value = field->value[hid_data->cc_value_index];
+ if (value)
+ hid_data->num_expected = value;
+ }
+ else {
+ hid_data->num_expected = wacom_wac->features.touch_max;
+ }
}
static void wacom_wac_finger_report(struct hid_device *hdev,
@@ -2649,7 +2668,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
struct wacom_wac *wacom_wac = &wacom->wacom_wac;
struct input_dev *input = wacom_wac->touch_input;
unsigned touch_max = wacom_wac->features.touch_max;
- struct hid_data *hid_data = &wacom_wac->hid_data;
/* If more packets of data are expected, give us a chance to
* process them rather than immediately syncing a partial
@@ -2663,7 +2681,6 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
input_sync(input);
wacom_wac->hid_data.num_received = 0;
- hid_data->num_expected = 0;
/* keep touch state for pen event */
wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
@@ -2738,73 +2755,12 @@ static void wacom_report_events(struct hid_device *hdev,
}
}
-static void wacom_set_num_expected(struct hid_device *hdev,
- struct hid_report *report,
- int collection_index,
- struct hid_field *field,
- int field_index)
-{
- struct wacom *wacom = hid_get_drvdata(hdev);
- struct wacom_wac *wacom_wac = &wacom->wacom_wac;
- struct hid_data *hid_data = &wacom_wac->hid_data;
- unsigned int original_collection_level =
- hdev->collection[collection_index].level;
- bool end_collection = false;
- int i;
-
- if (hid_data->num_expected)
- return;
-
- // find the contact count value for this segment
- for (i = field_index; i < report->maxfield && !end_collection; i++) {
- struct hid_field *field = report->field[i];
- unsigned int field_level =
- hdev->collection[field->usage[0].collection_index].level;
- unsigned int j;
-
- if (field_level != original_collection_level)
- continue;
-
- for (j = 0; j < field->maxusage; j++) {
- struct hid_usage *usage = &field->usage[j];
-
- if (usage->collection_index != collection_index) {
- end_collection = true;
- break;
- }
- if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
- hid_data->cc_report = report->id;
- hid_data->cc_index = i;
- hid_data->cc_value_index = j;
-
- if (hid_data->cc_report != 0 &&
- hid_data->cc_index >= 0) {
-
- struct hid_field *field =
- report->field[hid_data->cc_index];
- int value =
- field->value[hid_data->cc_value_index];
-
- if (value)
- hid_data->num_expected = value;
- }
- }
- }
- }
-
- if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
- hid_data->num_expected = wacom_wac->features.touch_max;
-}
-
static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
int collection_index, struct hid_field *field,
int field_index)
{
struct wacom *wacom = hid_get_drvdata(hdev);
- if (WACOM_FINGER_FIELD(field))
- wacom_set_num_expected(hdev, report, collection_index, field,
- field_index);
wacom_report_events(hdev, report, collection_index, field_index);
/*
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 23f358cb7f49..90070b337c10 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -290,6 +290,34 @@ int vmbus_send_tl_connect_request(const guid_t *shv_guest_servie_id,
EXPORT_SYMBOL_GPL(vmbus_send_tl_connect_request);
/*
+ * Set/change the vCPU (@target_vp) the channel (@child_relid) will interrupt.
+ *
+ * CHANNELMSG_MODIFYCHANNEL messages are aynchronous. Also, Hyper-V does not
+ * ACK such messages. IOW we can't know when the host will stop interrupting
+ * the "old" vCPU and start interrupting the "new" vCPU for the given channel.
+ *
+ * The CHANNELMSG_MODIFYCHANNEL message type is supported since VMBus version
+ * VERSION_WIN10_V4_1.
+ */
+int vmbus_send_modifychannel(u32 child_relid, u32 target_vp)
+{
+ struct vmbus_channel_modifychannel conn_msg;
+ int ret;
+
+ memset(&conn_msg, 0, sizeof(conn_msg));
+ conn_msg.header.msgtype = CHANNELMSG_MODIFYCHANNEL;
+ conn_msg.child_relid = child_relid;
+ conn_msg.target_vp = target_vp;
+
+ ret = vmbus_post_msg(&conn_msg, sizeof(conn_msg), true);
+
+ trace_vmbus_send_modifychannel(&conn_msg, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(vmbus_send_modifychannel);
+
+/*
* create_gpadl_header - Creates a gpadl for the specified buffer
*/
static int create_gpadl_header(void *kbuffer, u32 size,
@@ -594,35 +622,31 @@ post_msg_err:
}
EXPORT_SYMBOL_GPL(vmbus_teardown_gpadl);
-static void reset_channel_cb(void *arg)
-{
- struct vmbus_channel *channel = arg;
-
- channel->onchannel_callback = NULL;
-}
-
void vmbus_reset_channel_cb(struct vmbus_channel *channel)
{
+ unsigned long flags;
+
/*
* vmbus_on_event(), running in the per-channel tasklet, can race
* with vmbus_close_internal() in the case of SMP guest, e.g., when
* the former is accessing channel->inbound.ring_buffer, the latter
* could be freeing the ring_buffer pages, so here we must stop it
* first.
+ *
+ * vmbus_chan_sched() might call the netvsc driver callback function
+ * that ends up scheduling NAPI work that accesses the ring buffer.
+ * At this point, we have to ensure that any such work is completed
+ * and that the channel ring buffer is no longer being accessed, cf.
+ * the calls to napi_disable() in netvsc_device_remove().
*/
tasklet_disable(&channel->callback_event);
- channel->sc_creation_callback = NULL;
+ /* See the inline comments in vmbus_chan_sched(). */
+ spin_lock_irqsave(&channel->sched_lock, flags);
+ channel->onchannel_callback = NULL;
+ spin_unlock_irqrestore(&channel->sched_lock, flags);
- /* Stop the callback asap */
- if (channel->target_cpu != get_cpu()) {
- put_cpu();
- smp_call_function_single(channel->target_cpu, reset_channel_cb,
- channel, true);
- } else {
- reset_channel_cb(channel);
- put_cpu();
- }
+ channel->sc_creation_callback = NULL;
/* Re-enable tasklet for use on re-open */
tasklet_enable(&channel->callback_event);
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 501c43c5851d..417a95e5094d 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -18,14 +18,15 @@
#include <linux/module.h>
#include <linux/completion.h>
#include <linux/delay.h>
+#include <linux/cpu.h>
#include <linux/hyperv.h>
#include <asm/mshyperv.h>
#include "hyperv_vmbus.h"
-static void init_vp_index(struct vmbus_channel *channel, u16 dev_type);
+static void init_vp_index(struct vmbus_channel *channel);
-static const struct vmbus_device vmbus_devs[] = {
+const struct vmbus_device vmbus_devs[] = {
/* IDE */
{ .dev_type = HV_IDE,
HV_IDE_GUID,
@@ -315,11 +316,11 @@ static struct vmbus_channel *alloc_channel(void)
if (!channel)
return NULL;
+ spin_lock_init(&channel->sched_lock);
spin_lock_init(&channel->lock);
init_completion(&channel->rescind_event);
INIT_LIST_HEAD(&channel->sc_list);
- INIT_LIST_HEAD(&channel->percpu_list);
tasklet_init(&channel->callback_event,
vmbus_on_event, (unsigned long)channel);
@@ -340,23 +341,49 @@ static void free_channel(struct vmbus_channel *channel)
kobject_put(&channel->kobj);
}
-static void percpu_channel_enq(void *arg)
+void vmbus_channel_map_relid(struct vmbus_channel *channel)
{
- struct vmbus_channel *channel = arg;
- struct hv_per_cpu_context *hv_cpu
- = this_cpu_ptr(hv_context.cpu_context);
-
- list_add_tail_rcu(&channel->percpu_list, &hv_cpu->chan_list);
+ if (WARN_ON(channel->offermsg.child_relid >= MAX_CHANNEL_RELIDS))
+ return;
+ /*
+ * The mapping of the channel's relid is visible from the CPUs that
+ * execute vmbus_chan_sched() by the time that vmbus_chan_sched() will
+ * execute:
+ *
+ * (a) In the "normal (i.e., not resuming from hibernation)" path,
+ * the full barrier in smp_store_mb() guarantees that the store
+ * is propagated to all CPUs before the add_channel_work work
+ * is queued. In turn, add_channel_work is queued before the
+ * channel's ring buffer is allocated/initialized and the
+ * OPENCHANNEL message for the channel is sent in vmbus_open().
+ * Hyper-V won't start sending the interrupts for the channel
+ * before the OPENCHANNEL message is acked. The memory barrier
+ * in vmbus_chan_sched() -> sync_test_and_clear_bit() ensures
+ * that vmbus_chan_sched() must find the channel's relid in
+ * recv_int_page before retrieving the channel pointer from the
+ * array of channels.
+ *
+ * (b) In the "resuming from hibernation" path, the smp_store_mb()
+ * guarantees that the store is propagated to all CPUs before
+ * the VMBus connection is marked as ready for the resume event
+ * (cf. check_ready_for_resume_event()). The interrupt handler
+ * of the VMBus driver and vmbus_chan_sched() can not run before
+ * vmbus_bus_resume() has completed execution (cf. resume_noirq).
+ */
+ smp_store_mb(
+ vmbus_connection.channels[channel->offermsg.child_relid],
+ channel);
}
-static void percpu_channel_deq(void *arg)
+void vmbus_channel_unmap_relid(struct vmbus_channel *channel)
{
- struct vmbus_channel *channel = arg;
-
- list_del_rcu(&channel->percpu_list);
+ if (WARN_ON(channel->offermsg.child_relid >= MAX_CHANNEL_RELIDS))
+ return;
+ WRITE_ONCE(
+ vmbus_connection.channels[channel->offermsg.child_relid],
+ NULL);
}
-
static void vmbus_release_relid(u32 relid)
{
struct vmbus_channel_relid_released msg;
@@ -373,39 +400,43 @@ static void vmbus_release_relid(u32 relid)
void hv_process_channel_removal(struct vmbus_channel *channel)
{
- struct vmbus_channel *primary_channel;
unsigned long flags;
- BUG_ON(!mutex_is_locked(&vmbus_connection.channel_mutex));
+ lockdep_assert_held(&vmbus_connection.channel_mutex);
BUG_ON(!channel->rescind);
- if (channel->target_cpu != get_cpu()) {
- put_cpu();
- smp_call_function_single(channel->target_cpu,
- percpu_channel_deq, channel, true);
- } else {
- percpu_channel_deq(channel);
- put_cpu();
- }
+ /*
+ * hv_process_channel_removal() could find INVALID_RELID only for
+ * hv_sock channels. See the inline comments in vmbus_onoffer().
+ */
+ WARN_ON(channel->offermsg.child_relid == INVALID_RELID &&
+ !is_hvsock_channel(channel));
+
+ /*
+ * Upon suspend, an in-use hv_sock channel is removed from the array of
+ * channels and the relid is invalidated. After hibernation, when the
+ * user-space appplication destroys the channel, it's unnecessary and
+ * unsafe to remove the channel from the array of channels. See also
+ * the inline comments before the call of vmbus_release_relid() below.
+ */
+ if (channel->offermsg.child_relid != INVALID_RELID)
+ vmbus_channel_unmap_relid(channel);
if (channel->primary_channel == NULL) {
list_del(&channel->listentry);
-
- primary_channel = channel;
} else {
- primary_channel = channel->primary_channel;
+ struct vmbus_channel *primary_channel = channel->primary_channel;
spin_lock_irqsave(&primary_channel->lock, flags);
list_del(&channel->sc_list);
spin_unlock_irqrestore(&primary_channel->lock, flags);
}
/*
- * We need to free the bit for init_vp_index() to work in the case
- * of sub-channel, when we reload drivers like hv_netvsc.
+ * If this is a "perf" channel, updates the hv_numa_map[] masks so that
+ * init_vp_index() can (re-)use the CPU.
*/
- if (channel->affinity_policy == HV_LOCALIZED)
- cpumask_clear_cpu(channel->target_cpu,
- &primary_channel->alloced_cpus_in_node);
+ if (hv_is_perf_channel(channel))
+ hv_clear_alloced_cpu(channel->target_cpu);
/*
* Upon suspend, an in-use hv_sock channel is marked as "rescinded" and
@@ -440,23 +471,8 @@ static void vmbus_add_channel_work(struct work_struct *work)
container_of(work, struct vmbus_channel, add_channel_work);
struct vmbus_channel *primary_channel = newchannel->primary_channel;
unsigned long flags;
- u16 dev_type;
int ret;
- dev_type = hv_get_dev_type(newchannel);
-
- init_vp_index(newchannel, dev_type);
-
- if (newchannel->target_cpu != get_cpu()) {
- put_cpu();
- smp_call_function_single(newchannel->target_cpu,
- percpu_channel_enq,
- newchannel, true);
- } else {
- percpu_channel_enq(newchannel);
- put_cpu();
- }
-
/*
* This state is used to indicate a successful open
* so that when we do close the channel normally, we
@@ -488,7 +504,7 @@ static void vmbus_add_channel_work(struct work_struct *work)
if (!newchannel->device_obj)
goto err_deq_chan;
- newchannel->device_obj->device_id = dev_type;
+ newchannel->device_obj->device_id = newchannel->device_id;
/*
* Add the new device to the bus. This will kick off device-driver
* binding which eventually invokes the device driver's AddDevice()
@@ -523,17 +539,10 @@ err_deq_chan:
spin_unlock_irqrestore(&primary_channel->lock, flags);
}
- mutex_unlock(&vmbus_connection.channel_mutex);
+ /* vmbus_process_offer() has mapped the channel. */
+ vmbus_channel_unmap_relid(newchannel);
- if (newchannel->target_cpu != get_cpu()) {
- put_cpu();
- smp_call_function_single(newchannel->target_cpu,
- percpu_channel_deq,
- newchannel, true);
- } else {
- percpu_channel_deq(newchannel);
- put_cpu();
- }
+ mutex_unlock(&vmbus_connection.channel_mutex);
vmbus_release_relid(newchannel->offermsg.child_relid);
@@ -551,8 +560,35 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
unsigned long flags;
bool fnew = true;
+ /*
+ * Synchronize vmbus_process_offer() and CPU hotplugging:
+ *
+ * CPU1 CPU2
+ *
+ * [vmbus_process_offer()] [Hot removal of the CPU]
+ *
+ * CPU_READ_LOCK CPUS_WRITE_LOCK
+ * LOAD cpu_online_mask SEARCH chn_list
+ * STORE target_cpu LOAD target_cpu
+ * INSERT chn_list STORE cpu_online_mask
+ * CPUS_READ_UNLOCK CPUS_WRITE_UNLOCK
+ *
+ * Forbids: CPU1's LOAD from *not* seing CPU2's STORE &&
+ * CPU2's SEARCH from *not* seeing CPU1's INSERT
+ *
+ * Forbids: CPU2's SEARCH from seeing CPU1's INSERT &&
+ * CPU2's LOAD from *not* seing CPU1's STORE
+ */
+ cpus_read_lock();
+
+ /*
+ * Serializes the modifications of the chn_list list as well as
+ * the accesses to next_numa_node_id in init_vp_index().
+ */
mutex_lock(&vmbus_connection.channel_mutex);
+ init_vp_index(newchannel);
+
/* Remember the channels that should be cleaned up upon suspend. */
if (is_hvsock_channel(newchannel) || is_sub_channel(newchannel))
atomic_inc(&vmbus_connection.nr_chan_close_on_suspend);
@@ -599,7 +635,10 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
spin_unlock_irqrestore(&channel->lock, flags);
}
+ vmbus_channel_map_relid(newchannel);
+
mutex_unlock(&vmbus_connection.channel_mutex);
+ cpus_read_unlock();
/*
* vmbus_process_offer() mustn't call channel->sc_creation_callback()
@@ -632,73 +671,61 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel)
* We use this state to statically distribute the channel interrupt load.
*/
static int next_numa_node_id;
-/*
- * init_vp_index() accesses global variables like next_numa_node_id, and
- * it can run concurrently for primary channels and sub-channels: see
- * vmbus_process_offer(), so we need the lock to protect the global
- * variables.
- */
-static DEFINE_SPINLOCK(bind_channel_to_cpu_lock);
/*
* Starting with Win8, we can statically distribute the incoming
* channel interrupt load by binding a channel to VCPU.
- * We distribute the interrupt loads to one or more NUMA nodes based on
- * the channel's affinity_policy.
*
* For pre-win8 hosts or non-performance critical channels we assign the
- * first CPU in the first NUMA node.
+ * VMBUS_CONNECT_CPU.
+ *
+ * Starting with win8, performance critical channels will be distributed
+ * evenly among all the available NUMA nodes. Once the node is assigned,
+ * we will assign the CPU based on a simple round robin scheme.
*/
-static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
+static void init_vp_index(struct vmbus_channel *channel)
{
- u32 cur_cpu;
- bool perf_chn = vmbus_devs[dev_type].perf_device;
- struct vmbus_channel *primary = channel->primary_channel;
- int next_node;
+ bool perf_chn = hv_is_perf_channel(channel);
cpumask_var_t available_mask;
struct cpumask *alloced_mask;
+ u32 target_cpu;
+ int numa_node;
if ((vmbus_proto_version == VERSION_WS2008) ||
(vmbus_proto_version == VERSION_WIN7) || (!perf_chn) ||
!alloc_cpumask_var(&available_mask, GFP_KERNEL)) {
/*
* Prior to win8, all channel interrupts are
- * delivered on cpu 0.
+ * delivered on VMBUS_CONNECT_CPU.
* Also if the channel is not a performance critical
- * channel, bind it to cpu 0.
- * In case alloc_cpumask_var() fails, bind it to cpu 0.
+ * channel, bind it to VMBUS_CONNECT_CPU.
+ * In case alloc_cpumask_var() fails, bind it to
+ * VMBUS_CONNECT_CPU.
*/
- channel->numa_node = 0;
- channel->target_cpu = 0;
- channel->target_vp = hv_cpu_number_to_vp_number(0);
+ channel->numa_node = cpu_to_node(VMBUS_CONNECT_CPU);
+ channel->target_cpu = VMBUS_CONNECT_CPU;
+ channel->target_vp =
+ hv_cpu_number_to_vp_number(VMBUS_CONNECT_CPU);
+ if (perf_chn)
+ hv_set_alloced_cpu(VMBUS_CONNECT_CPU);
return;
}
- spin_lock(&bind_channel_to_cpu_lock);
-
- /*
- * Based on the channel affinity policy, we will assign the NUMA
- * nodes.
- */
-
- if ((channel->affinity_policy == HV_BALANCED) || (!primary)) {
- while (true) {
- next_node = next_numa_node_id++;
- if (next_node == nr_node_ids) {
- next_node = next_numa_node_id = 0;
- continue;
- }
- if (cpumask_empty(cpumask_of_node(next_node)))
- continue;
- break;
+ while (true) {
+ numa_node = next_numa_node_id++;
+ if (numa_node == nr_node_ids) {
+ next_numa_node_id = 0;
+ continue;
}
- channel->numa_node = next_node;
- primary = channel;
+ if (cpumask_empty(cpumask_of_node(numa_node)))
+ continue;
+ break;
}
- alloced_mask = &hv_context.hv_numa_map[primary->numa_node];
+ channel->numa_node = numa_node;
+ alloced_mask = &hv_context.hv_numa_map[numa_node];
if (cpumask_weight(alloced_mask) ==
- cpumask_weight(cpumask_of_node(primary->numa_node))) {
+ cpumask_weight(cpumask_of_node(numa_node))) {
/*
* We have cycled through all the CPUs in the node;
* reset the alloced map.
@@ -706,59 +733,13 @@ static void init_vp_index(struct vmbus_channel *channel, u16 dev_type)
cpumask_clear(alloced_mask);
}
- cpumask_xor(available_mask, alloced_mask,
- cpumask_of_node(primary->numa_node));
-
- cur_cpu = -1;
-
- if (primary->affinity_policy == HV_LOCALIZED) {
- /*
- * Normally Hyper-V host doesn't create more subchannels
- * than there are VCPUs on the node but it is possible when not
- * all present VCPUs on the node are initialized by guest.
- * Clear the alloced_cpus_in_node to start over.
- */
- if (cpumask_equal(&primary->alloced_cpus_in_node,
- cpumask_of_node(primary->numa_node)))
- cpumask_clear(&primary->alloced_cpus_in_node);
- }
-
- while (true) {
- cur_cpu = cpumask_next(cur_cpu, available_mask);
- if (cur_cpu >= nr_cpu_ids) {
- cur_cpu = -1;
- cpumask_copy(available_mask,
- cpumask_of_node(primary->numa_node));
- continue;
- }
-
- if (primary->affinity_policy == HV_LOCALIZED) {
- /*
- * NOTE: in the case of sub-channel, we clear the
- * sub-channel related bit(s) in
- * primary->alloced_cpus_in_node in
- * hv_process_channel_removal(), so when we
- * reload drivers like hv_netvsc in SMP guest, here
- * we're able to re-allocate
- * bit from primary->alloced_cpus_in_node.
- */
- if (!cpumask_test_cpu(cur_cpu,
- &primary->alloced_cpus_in_node)) {
- cpumask_set_cpu(cur_cpu,
- &primary->alloced_cpus_in_node);
- cpumask_set_cpu(cur_cpu, alloced_mask);
- break;
- }
- } else {
- cpumask_set_cpu(cur_cpu, alloced_mask);
- break;
- }
- }
+ cpumask_xor(available_mask, alloced_mask, cpumask_of_node(numa_node));
- channel->target_cpu = cur_cpu;
- channel->target_vp = hv_cpu_number_to_vp_number(cur_cpu);
+ target_cpu = cpumask_first(available_mask);
+ cpumask_set_cpu(target_cpu, alloced_mask);
- spin_unlock(&bind_channel_to_cpu_lock);
+ channel->target_cpu = target_cpu;
+ channel->target_vp = hv_cpu_number_to_vp_number(target_cpu);
free_cpumask_var(available_mask);
}
@@ -890,6 +871,7 @@ static void vmbus_setup_channel_state(struct vmbus_channel *channel,
sizeof(struct vmbus_channel_offer_channel));
channel->monitor_grp = (u8)offer->monitorid / 32;
channel->monitor_bit = (u8)offer->monitorid % 32;
+ channel->device_id = hv_get_dev_type(channel);
}
/*
@@ -940,8 +922,6 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr)
oldchannel = find_primary_channel_by_offer(offer);
if (oldchannel != NULL) {
- atomic_dec(&vmbus_connection.offer_in_progress);
-
/*
* We're resuming from hibernation: all the sub-channel and
* hv_sock channels we had before the hibernation should have
@@ -949,36 +929,65 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr)
* primary channel that we had before the hibernation.
*/
+ /*
+ * { Initially: channel relid = INVALID_RELID,
+ * channels[valid_relid] = NULL }
+ *
+ * CPU1 CPU2
+ *
+ * [vmbus_onoffer()] [vmbus_device_release()]
+ *
+ * LOCK channel_mutex LOCK channel_mutex
+ * STORE channel relid = valid_relid LOAD r1 = channel relid
+ * MAP_RELID channel if (r1 != INVALID_RELID)
+ * UNLOCK channel_mutex UNMAP_RELID channel
+ * UNLOCK channel_mutex
+ *
+ * Forbids: r1 == valid_relid &&
+ * channels[valid_relid] == channel
+ *
+ * Note. r1 can be INVALID_RELID only for an hv_sock channel.
+ * None of the hv_sock channels which were present before the
+ * suspend are re-offered upon the resume. See the WARN_ON()
+ * in hv_process_channel_removal().
+ */
+ mutex_lock(&vmbus_connection.channel_mutex);
+
+ atomic_dec(&vmbus_connection.offer_in_progress);
+
WARN_ON(oldchannel->offermsg.child_relid != INVALID_RELID);
/* Fix up the relid. */
oldchannel->offermsg.child_relid = offer->child_relid;
offer_sz = sizeof(*offer);
- if (memcmp(offer, &oldchannel->offermsg, offer_sz) == 0) {
- check_ready_for_resume_event();
- return;
+ if (memcmp(offer, &oldchannel->offermsg, offer_sz) != 0) {
+ /*
+ * This is not an error, since the host can also change
+ * the other field(s) of the offer, e.g. on WS RS5
+ * (Build 17763), the offer->connection_id of the
+ * Mellanox VF vmbus device can change when the host
+ * reoffers the device upon resume.
+ */
+ pr_debug("vmbus offer changed: relid=%d\n",
+ offer->child_relid);
+
+ print_hex_dump_debug("Old vmbus offer: ",
+ DUMP_PREFIX_OFFSET, 16, 4,
+ &oldchannel->offermsg, offer_sz,
+ false);
+ print_hex_dump_debug("New vmbus offer: ",
+ DUMP_PREFIX_OFFSET, 16, 4,
+ offer, offer_sz, false);
+
+ /* Fix up the old channel. */
+ vmbus_setup_channel_state(oldchannel, offer);
}
- /*
- * This is not an error, since the host can also change the
- * other field(s) of the offer, e.g. on WS RS5 (Build 17763),
- * the offer->connection_id of the Mellanox VF vmbus device
- * can change when the host reoffers the device upon resume.
- */
- pr_debug("vmbus offer changed: relid=%d\n",
- offer->child_relid);
-
- print_hex_dump_debug("Old vmbus offer: ", DUMP_PREFIX_OFFSET,
- 16, 4, &oldchannel->offermsg, offer_sz,
- false);
- print_hex_dump_debug("New vmbus offer: ", DUMP_PREFIX_OFFSET,
- 16, 4, offer, offer_sz, false);
-
- /* Fix up the old channel. */
- vmbus_setup_channel_state(oldchannel, offer);
-
+ /* Add the channel back to the array of channels. */
+ vmbus_channel_map_relid(oldchannel);
check_ready_for_resume_event();
+ mutex_unlock(&vmbus_connection.channel_mutex);
return;
}
@@ -1028,11 +1037,22 @@ static void vmbus_onoffer_rescind(struct vmbus_channel_message_header *hdr)
* offer comes in first and then the rescind.
* Since we process these events in work elements,
* and with preemption, we may end up processing
- * the events out of order. Given that we handle these
- * work elements on the same CPU, this is possible only
- * in the case of preemption. In any case wait here
- * until the offer processing has moved beyond the
- * point where the channel is discoverable.
+ * the events out of order. We rely on the synchronization
+ * provided by offer_in_progress and by channel_mutex for
+ * ordering these events:
+ *
+ * { Initially: offer_in_progress = 1 }
+ *
+ * CPU1 CPU2
+ *
+ * [vmbus_onoffer()] [vmbus_onoffer_rescind()]
+ *
+ * LOCK channel_mutex WAIT_ON offer_in_progress == 0
+ * DECREMENT offer_in_progress LOCK channel_mutex
+ * STORE channels[] LOAD channels[]
+ * UNLOCK channel_mutex UNLOCK channel_mutex
+ *
+ * Forbids: CPU2's LOAD from *not* seeing CPU1's STORE
*/
while (atomic_read(&vmbus_connection.offer_in_progress) != 0) {
@@ -1332,30 +1352,36 @@ static void vmbus_onversion_response(
/* Channel message dispatch table */
const struct vmbus_channel_message_table_entry
channel_message_table[CHANNELMSG_COUNT] = {
- { CHANNELMSG_INVALID, 0, NULL },
- { CHANNELMSG_OFFERCHANNEL, 0, vmbus_onoffer },
- { CHANNELMSG_RESCIND_CHANNELOFFER, 0, vmbus_onoffer_rescind },
- { CHANNELMSG_REQUESTOFFERS, 0, NULL },
- { CHANNELMSG_ALLOFFERS_DELIVERED, 1, vmbus_onoffers_delivered },
- { CHANNELMSG_OPENCHANNEL, 0, NULL },
- { CHANNELMSG_OPENCHANNEL_RESULT, 1, vmbus_onopen_result },
- { CHANNELMSG_CLOSECHANNEL, 0, NULL },
- { CHANNELMSG_GPADL_HEADER, 0, NULL },
- { CHANNELMSG_GPADL_BODY, 0, NULL },
- { CHANNELMSG_GPADL_CREATED, 1, vmbus_ongpadl_created },
- { CHANNELMSG_GPADL_TEARDOWN, 0, NULL },
- { CHANNELMSG_GPADL_TORNDOWN, 1, vmbus_ongpadl_torndown },
- { CHANNELMSG_RELID_RELEASED, 0, NULL },
- { CHANNELMSG_INITIATE_CONTACT, 0, NULL },
- { CHANNELMSG_VERSION_RESPONSE, 1, vmbus_onversion_response },
- { CHANNELMSG_UNLOAD, 0, NULL },
- { CHANNELMSG_UNLOAD_RESPONSE, 1, vmbus_unload_response },
- { CHANNELMSG_18, 0, NULL },
- { CHANNELMSG_19, 0, NULL },
- { CHANNELMSG_20, 0, NULL },
- { CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL },
- { CHANNELMSG_22, 0, NULL },
- { CHANNELMSG_TL_CONNECT_RESULT, 0, NULL },
+ { CHANNELMSG_INVALID, 0, NULL, 0},
+ { CHANNELMSG_OFFERCHANNEL, 0, vmbus_onoffer,
+ sizeof(struct vmbus_channel_offer_channel)},
+ { CHANNELMSG_RESCIND_CHANNELOFFER, 0, vmbus_onoffer_rescind,
+ sizeof(struct vmbus_channel_rescind_offer) },
+ { CHANNELMSG_REQUESTOFFERS, 0, NULL, 0},
+ { CHANNELMSG_ALLOFFERS_DELIVERED, 1, vmbus_onoffers_delivered, 0},
+ { CHANNELMSG_OPENCHANNEL, 0, NULL, 0},
+ { CHANNELMSG_OPENCHANNEL_RESULT, 1, vmbus_onopen_result,
+ sizeof(struct vmbus_channel_open_result)},
+ { CHANNELMSG_CLOSECHANNEL, 0, NULL, 0},
+ { CHANNELMSG_GPADL_HEADER, 0, NULL, 0},
+ { CHANNELMSG_GPADL_BODY, 0, NULL, 0},
+ { CHANNELMSG_GPADL_CREATED, 1, vmbus_ongpadl_created,
+ sizeof(struct vmbus_channel_gpadl_created)},
+ { CHANNELMSG_GPADL_TEARDOWN, 0, NULL, 0},
+ { CHANNELMSG_GPADL_TORNDOWN, 1, vmbus_ongpadl_torndown,
+ sizeof(struct vmbus_channel_gpadl_torndown) },
+ { CHANNELMSG_RELID_RELEASED, 0, NULL, 0},
+ { CHANNELMSG_INITIATE_CONTACT, 0, NULL, 0},
+ { CHANNELMSG_VERSION_RESPONSE, 1, vmbus_onversion_response,
+ sizeof(struct vmbus_channel_version_response)},
+ { CHANNELMSG_UNLOAD, 0, NULL, 0},
+ { CHANNELMSG_UNLOAD_RESPONSE, 1, vmbus_unload_response, 0},
+ { CHANNELMSG_18, 0, NULL, 0},
+ { CHANNELMSG_19, 0, NULL, 0},
+ { CHANNELMSG_20, 0, NULL, 0},
+ { CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL, 0},
+ { CHANNELMSG_MODIFYCHANNEL, 0, NULL, 0},
+ { CHANNELMSG_TL_CONNECT_RESULT, 0, NULL, 0},
};
/*
@@ -1363,13 +1389,8 @@ channel_message_table[CHANNELMSG_COUNT] = {
*
* This is invoked in the vmbus worker thread context.
*/
-void vmbus_onmessage(void *context)
+void vmbus_onmessage(struct vmbus_channel_message_header *hdr)
{
- struct hv_message *msg = context;
- struct vmbus_channel_message_header *hdr;
-
- hdr = (struct vmbus_channel_message_header *)msg->u.payload;
-
trace_vmbus_on_message(hdr);
/*
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 74e77de89b4f..11170d9a2e1a 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -69,7 +69,6 @@ MODULE_PARM_DESC(max_version,
int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, u32 version)
{
int ret = 0;
- unsigned int cur_cpu;
struct vmbus_channel_initiate_contact *msg;
unsigned long flags;
@@ -102,24 +101,7 @@ int vmbus_negotiate_version(struct vmbus_channel_msginfo *msginfo, u32 version)
msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]);
msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]);
- /*
- * We want all channel messages to be delivered on CPU 0.
- * This has been the behavior pre-win8. This is not
- * perf issue and having all channel messages delivered on CPU 0
- * would be ok.
- * For post win8 hosts, we support receiving channel messagges on
- * all the CPUs. This is needed for kexec to work correctly where
- * the CPU attempting to connect may not be CPU 0.
- */
- if (version >= VERSION_WIN8_1) {
- cur_cpu = get_cpu();
- msg->target_vcpu = hv_cpu_number_to_vp_number(cur_cpu);
- vmbus_connection.connect_cpu = cur_cpu;
- put_cpu();
- } else {
- msg->target_vcpu = 0;
- vmbus_connection.connect_cpu = 0;
- }
+ msg->target_vcpu = hv_cpu_number_to_vp_number(VMBUS_CONNECT_CPU);
/*
* Add to list before we send the request since we may
@@ -266,6 +248,14 @@ int vmbus_connect(void)
pr_info("Vmbus version:%d.%d\n",
version >> 16, version & 0xFFFF);
+ vmbus_connection.channels = kcalloc(MAX_CHANNEL_RELIDS,
+ sizeof(struct vmbus_channel *),
+ GFP_KERNEL);
+ if (vmbus_connection.channels == NULL) {
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+
kfree(msginfo);
return 0;
@@ -313,33 +303,9 @@ void vmbus_disconnect(void)
*/
struct vmbus_channel *relid2channel(u32 relid)
{
- struct vmbus_channel *channel;
- struct vmbus_channel *found_channel = NULL;
- struct list_head *cur, *tmp;
- struct vmbus_channel *cur_sc;
-
- BUG_ON(!mutex_is_locked(&vmbus_connection.channel_mutex));
-
- list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
- if (channel->offermsg.child_relid == relid) {
- found_channel = channel;
- break;
- } else if (!list_empty(&channel->sc_list)) {
- /*
- * Deal with sub-channels.
- */
- list_for_each_safe(cur, tmp, &channel->sc_list) {
- cur_sc = list_entry(cur, struct vmbus_channel,
- sc_list);
- if (cur_sc->offermsg.child_relid == relid) {
- found_channel = cur_sc;
- break;
- }
- }
- }
- }
-
- return found_channel;
+ if (WARN_ON(relid >= MAX_CHANNEL_RELIDS))
+ return NULL;
+ return READ_ONCE(vmbus_connection.channels[relid]);
}
/*
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 6098e0cbdb4b..857290dcfd95 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -117,8 +117,6 @@ int hv_synic_alloc(void)
pr_err("Unable to allocate post msg page\n");
goto err;
}
-
- INIT_LIST_HEAD(&hv_cpu->chan_list);
}
return 0;
@@ -184,11 +182,7 @@ void hv_synic_enable_regs(unsigned int cpu)
shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR;
shared_sint.masked = false;
- if (ms_hyperv.hints & HV_DEPRECATING_AEOI_RECOMMENDED)
- shared_sint.auto_eoi = false;
- else
- shared_sint.auto_eoi = true;
-
+ shared_sint.auto_eoi = hv_recommend_using_aeoi();
hv_set_synint_state(VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
/* Enable the global synic bit */
@@ -250,10 +244,18 @@ int hv_synic_cleanup(unsigned int cpu)
unsigned long flags;
/*
+ * Hyper-V does not provide a way to change the connect CPU once
+ * it is set; we must prevent the connect CPU from going offline.
+ */
+ if (cpu == VMBUS_CONNECT_CPU)
+ return -EBUSY;
+
+ /*
* Search for channels which are bound to the CPU we're about to
- * cleanup. In case we find one and vmbus is still connected we need to
- * fail, this will effectively prevent CPU offlining. There is no way
- * we can re-bind channels to different CPUs for now.
+ * cleanup. In case we find one and vmbus is still connected, we
+ * fail; this will effectively prevent CPU offlining.
+ *
+ * TODO: Re-bind the channels to different CPUs.
*/
mutex_lock(&vmbus_connection.channel_mutex);
list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
index bb9ba3f7c794..5040d7e0cd9e 100644
--- a/drivers/hv/hv_fcopy.c
+++ b/drivers/hv/hv_fcopy.c
@@ -71,7 +71,7 @@ static void fcopy_poll_wrapper(void *channel)
{
/* Transaction is finished, reset the state here to avoid races. */
fcopy_transaction.state = HVUTIL_READY;
- hv_fcopy_onchannelcallback(channel);
+ tasklet_schedule(&((struct vmbus_channel *)channel)->callback_event);
}
static void fcopy_timeout_func(struct work_struct *dummy)
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index 1c75b38f0d6d..783779e4cc1a 100644
--- a/drivers/hv/hv_snapshot.c
+++ b/drivers/hv/hv_snapshot.c
@@ -80,7 +80,7 @@ static void vss_poll_wrapper(void *channel)
{
/* Transaction is finished, reset the state here to avoid races. */
vss_transaction.state = HVUTIL_READY;
- hv_vss_onchannelcallback(channel);
+ tasklet_schedule(&((struct vmbus_channel *)channel)->callback_event);
}
/*
diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
index e70783e33680..6063bb21bb13 100644
--- a/drivers/hv/hv_trace.h
+++ b/drivers/hv/hv_trace.h
@@ -44,10 +44,8 @@ TRACE_EVENT(vmbus_onoffer,
__entry->monitorid = offer->monitorid;
__entry->is_ddc_int = offer->is_dedicated_interrupt;
__entry->connection_id = offer->connection_id;
- memcpy(__entry->if_type,
- &offer->offer.if_type.b, 16);
- memcpy(__entry->if_instance,
- &offer->offer.if_instance.b, 16);
+ export_guid(__entry->if_type, &offer->offer.if_type);
+ export_guid(__entry->if_instance, &offer->offer.if_instance);
__entry->chn_flags = offer->offer.chn_flags;
__entry->mmio_mb = offer->offer.mmio_megabytes;
__entry->sub_idx = offer->offer.sub_channel_index;
@@ -286,8 +284,8 @@ TRACE_EVENT(vmbus_send_tl_connect_request,
__field(int, ret)
),
TP_fast_assign(
- memcpy(__entry->guest_id, &msg->guest_endpoint_id.b, 16);
- memcpy(__entry->host_id, &msg->host_service_id.b, 16);
+ export_guid(__entry->guest_id, &msg->guest_endpoint_id);
+ export_guid(__entry->host_id, &msg->host_service_id);
__entry->ret = ret;
),
TP_printk("sending guest_endpoint_id %pUl, host_service_id %pUl, "
@@ -296,6 +294,25 @@ TRACE_EVENT(vmbus_send_tl_connect_request,
)
);
+TRACE_EVENT(vmbus_send_modifychannel,
+ TP_PROTO(const struct vmbus_channel_modifychannel *msg,
+ int ret),
+ TP_ARGS(msg, ret),
+ TP_STRUCT__entry(
+ __field(u32, child_relid)
+ __field(u32, target_vp)
+ __field(int, ret)
+ ),
+ TP_fast_assign(
+ __entry->child_relid = msg->child_relid;
+ __entry->target_vp = msg->target_vp;
+ __entry->ret = ret;
+ ),
+ TP_printk("binding child_relid 0x%x to target_vp 0x%x, ret %d",
+ __entry->child_relid, __entry->target_vp, __entry->ret
+ )
+ );
+
DECLARE_EVENT_CLASS(vmbus_channel,
TP_PROTO(const struct vmbus_channel *channel),
TP_ARGS(channel),
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 70b30e223a57..40e2b9f91163 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -132,12 +132,6 @@ struct hv_per_cpu_context {
* basis.
*/
struct tasklet_struct msg_dpc;
-
- /*
- * To optimize the mapping of relid to channel, maintain
- * per-cpu list of the channels based on their CPU affinity.
- */
- struct list_head chan_list;
};
struct hv_context {
@@ -202,6 +196,8 @@ int hv_ringbuffer_read(struct vmbus_channel *channel,
/* TODO: Need to make this configurable */
#define MAX_NUM_CHANNELS_SUPPORTED 256
+#define MAX_CHANNEL_RELIDS \
+ max(MAX_NUM_CHANNELS_SUPPORTED, HV_EVENT_FLAGS_COUNT)
enum vmbus_connect_state {
DISCONNECTED,
@@ -212,12 +208,13 @@ enum vmbus_connect_state {
#define MAX_SIZE_CHANNEL_MESSAGE HV_MESSAGE_PAYLOAD_BYTE_COUNT
-struct vmbus_connection {
- /*
- * CPU on which the initial host contact was made.
- */
- int connect_cpu;
+/*
+ * The CPU that Hyper-V will interrupt for VMBUS messages, such as
+ * CHANNELMSG_OFFERCHANNEL and CHANNELMSG_RESCIND_CHANNELOFFER.
+ */
+#define VMBUS_CONNECT_CPU 0
+struct vmbus_connection {
u32 msg_conn_id;
atomic_t offer_in_progress;
@@ -250,6 +247,9 @@ struct vmbus_connection {
struct list_head chn_list;
struct mutex channel_mutex;
+ /* Array of channels */
+ struct vmbus_channel **channels;
+
/*
* An offer message is handled first on the work_queue, and then
* is further handled on handle_primary_chan_wq or
@@ -317,6 +317,7 @@ struct vmbus_channel_message_table_entry {
enum vmbus_channel_message_type message_type;
enum vmbus_message_handler_type handler_type;
void (*message_handler)(struct vmbus_channel_message_header *msg);
+ u32 min_payload_len;
};
extern const struct vmbus_channel_message_table_entry
@@ -336,6 +337,9 @@ int vmbus_add_channel_kobj(struct hv_device *device_obj,
void vmbus_remove_channel_attr_group(struct vmbus_channel *channel);
+void vmbus_channel_map_relid(struct vmbus_channel *channel);
+void vmbus_channel_unmap_relid(struct vmbus_channel *channel);
+
struct vmbus_channel *relid2channel(u32 relid);
void vmbus_free_channels(void);
@@ -374,12 +378,7 @@ static inline void hv_poll_channel(struct vmbus_channel *channel,
{
if (!channel)
return;
-
- if (in_interrupt() && (channel->target_cpu == smp_processor_id())) {
- cb(channel);
- return;
- }
- smp_call_function_single(channel->target_cpu, cb, channel, true);
+ cb(channel);
}
enum hvutil_device_state {
@@ -396,6 +395,54 @@ enum delay {
MESSAGE_DELAY = 1,
};
+extern const struct vmbus_device vmbus_devs[];
+
+static inline bool hv_is_perf_channel(struct vmbus_channel *channel)
+{
+ return vmbus_devs[channel->device_id].perf_device;
+}
+
+static inline bool hv_is_alloced_cpu(unsigned int cpu)
+{
+ struct vmbus_channel *channel, *sc;
+
+ lockdep_assert_held(&vmbus_connection.channel_mutex);
+ /*
+ * List additions/deletions as well as updates of the target CPUs are
+ * protected by channel_mutex.
+ */
+ list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
+ if (!hv_is_perf_channel(channel))
+ continue;
+ if (channel->target_cpu == cpu)
+ return true;
+ list_for_each_entry(sc, &channel->sc_list, sc_list) {
+ if (sc->target_cpu == cpu)
+ return true;
+ }
+ }
+ return false;
+}
+
+static inline void hv_set_alloced_cpu(unsigned int cpu)
+{
+ cpumask_set_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
+}
+
+static inline void hv_clear_alloced_cpu(unsigned int cpu)
+{
+ if (hv_is_alloced_cpu(cpu))
+ return;
+ cpumask_clear_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
+}
+
+static inline void hv_update_alloced_cpus(unsigned int old_cpu,
+ unsigned int new_cpu)
+{
+ hv_set_alloced_cpu(new_cpu);
+ hv_clear_alloced_cpu(old_cpu);
+}
+
#ifdef CONFIG_HYPERV_TESTING
int hv_debug_add_dev_dir(struct hv_device *dev);
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index a68bce4d0ddb..9147ee9d5f7d 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -117,14 +117,6 @@ static int vmbus_exists(void)
return 0;
}
-#define VMBUS_ALIAS_LEN ((sizeof((struct hv_vmbus_device_id *)0)->guid) * 2)
-static void print_alias_name(struct hv_device *hv_dev, char *alias_name)
-{
- int i;
- for (i = 0; i < VMBUS_ALIAS_LEN; i += 2)
- sprintf(&alias_name[i], "%02x", hv_dev->dev_type.b[i/2]);
-}
-
static u8 channel_monitor_group(const struct vmbus_channel *channel)
{
return (u8)channel->offermsg.monitorid / 32;
@@ -201,7 +193,7 @@ static ssize_t class_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
return sprintf(buf, "{%pUl}\n",
- hv_dev->channel->offermsg.offer.if_type.b);
+ &hv_dev->channel->offermsg.offer.if_type);
}
static DEVICE_ATTR_RO(class_id);
@@ -213,7 +205,7 @@ static ssize_t device_id_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
return sprintf(buf, "{%pUl}\n",
- hv_dev->channel->offermsg.offer.if_instance.b);
+ &hv_dev->channel->offermsg.offer.if_instance);
}
static DEVICE_ATTR_RO(device_id);
@@ -221,10 +213,8 @@ static ssize_t modalias_show(struct device *dev,
struct device_attribute *dev_attr, char *buf)
{
struct hv_device *hv_dev = device_to_hv_device(dev);
- char alias_name[VMBUS_ALIAS_LEN + 1];
- print_alias_name(hv_dev, alias_name);
- return sprintf(buf, "vmbus:%s\n", alias_name);
+ return sprintf(buf, "vmbus:%*phN\n", UUID_SIZE, &hv_dev->dev_type);
}
static DEVICE_ATTR_RO(modalias);
@@ -693,12 +683,9 @@ __ATTRIBUTE_GROUPS(vmbus_dev);
static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
{
struct hv_device *dev = device_to_hv_device(device);
- int ret;
- char alias_name[VMBUS_ALIAS_LEN + 1];
+ const char *format = "MODALIAS=vmbus:%*phN";
- print_alias_name(dev, alias_name);
- ret = add_uevent_var(env, "MODALIAS=vmbus:%s", alias_name);
- return ret;
+ return add_uevent_var(env, format, UUID_SIZE, &dev->dev_type);
}
static const struct hv_vmbus_device_id *
@@ -978,6 +965,9 @@ static int vmbus_resume(struct device *child_device)
return drv->resume(dev);
}
+#else
+#define vmbus_suspend NULL
+#define vmbus_resume NULL
#endif /* CONFIG_PM_SLEEP */
/*
@@ -997,11 +987,22 @@ static void vmbus_device_release(struct device *device)
}
/*
- * Note: we must use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS rather than
- * SET_SYSTEM_SLEEP_PM_OPS: see the comment before vmbus_bus_pm.
+ * Note: we must use the "noirq" ops: see the comment before vmbus_bus_pm.
+ *
+ * suspend_noirq/resume_noirq are set to NULL to support Suspend-to-Idle: we
+ * shouldn't suspend the vmbus devices upon Suspend-to-Idle, otherwise there
+ * is no way to wake up a Generation-2 VM.
+ *
+ * The other 4 ops are for hibernation.
*/
+
static const struct dev_pm_ops vmbus_pm = {
- SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(vmbus_suspend, vmbus_resume)
+ .suspend_noirq = NULL,
+ .resume_noirq = NULL,
+ .freeze_noirq = vmbus_suspend,
+ .thaw_noirq = vmbus_resume,
+ .poweroff_noirq = vmbus_suspend,
+ .restore_noirq = vmbus_resume,
};
/* The one and only one */
@@ -1019,7 +1020,10 @@ static struct bus_type hv_bus = {
struct onmessage_work_context {
struct work_struct work;
- struct hv_message msg;
+ struct {
+ struct hv_message_header header;
+ u8 payload[];
+ } msg;
};
static void vmbus_onmessage_work(struct work_struct *work)
@@ -1032,7 +1036,8 @@ static void vmbus_onmessage_work(struct work_struct *work)
ctx = container_of(work, struct onmessage_work_context,
work);
- vmbus_onmessage(&ctx->msg);
+ vmbus_onmessage((struct vmbus_channel_message_header *)
+ &ctx->msg.payload);
kfree(ctx);
}
@@ -1047,6 +1052,13 @@ void vmbus_on_msg_dpc(unsigned long data)
struct onmessage_work_context *ctx;
u32 message_type = msg->header.message_type;
+ /*
+ * 'enum vmbus_channel_message_type' is supposed to always be 'u32' as
+ * it is being used in 'struct vmbus_channel_message_header' definition
+ * which is supposed to match hypervisor ABI.
+ */
+ BUILD_BUG_ON(sizeof(enum vmbus_channel_message_type) != sizeof(u32));
+
if (message_type == HVMSG_NONE)
/* no msg */
return;
@@ -1060,41 +1072,88 @@ void vmbus_on_msg_dpc(unsigned long data)
goto msg_handled;
}
+ if (msg->header.payload_size > HV_MESSAGE_PAYLOAD_BYTE_COUNT) {
+ WARN_ONCE(1, "payload size is too large (%d)\n",
+ msg->header.payload_size);
+ goto msg_handled;
+ }
+
entry = &channel_message_table[hdr->msgtype];
if (!entry->message_handler)
goto msg_handled;
+ if (msg->header.payload_size < entry->min_payload_len) {
+ WARN_ONCE(1, "message too short: msgtype=%d len=%d\n",
+ hdr->msgtype, msg->header.payload_size);
+ goto msg_handled;
+ }
+
if (entry->handler_type == VMHT_BLOCKING) {
- ctx = kmalloc(sizeof(*ctx), GFP_ATOMIC);
+ ctx = kmalloc(sizeof(*ctx) + msg->header.payload_size,
+ GFP_ATOMIC);
if (ctx == NULL)
return;
INIT_WORK(&ctx->work, vmbus_onmessage_work);
- memcpy(&ctx->msg, msg, sizeof(*msg));
+ memcpy(&ctx->msg, msg, sizeof(msg->header) +
+ msg->header.payload_size);
/*
* The host can generate a rescind message while we
* may still be handling the original offer. We deal with
- * this condition by ensuring the processing is done on the
- * same CPU.
+ * this condition by relying on the synchronization provided
+ * by offer_in_progress and by channel_mutex. See also the
+ * inline comments in vmbus_onoffer_rescind().
*/
switch (hdr->msgtype) {
case CHANNELMSG_RESCIND_CHANNELOFFER:
/*
* If we are handling the rescind message;
* schedule the work on the global work queue.
+ *
+ * The OFFER message and the RESCIND message should
+ * not be handled by the same serialized work queue,
+ * because the OFFER handler may call vmbus_open(),
+ * which tries to open the channel by sending an
+ * OPEN_CHANNEL message to the host and waits for
+ * the host's response; however, if the host has
+ * rescinded the channel before it receives the
+ * OPEN_CHANNEL message, the host just silently
+ * ignores the OPEN_CHANNEL message; as a result,
+ * the guest's OFFER handler hangs for ever, if we
+ * handle the RESCIND message in the same serialized
+ * work queue: the RESCIND handler can not start to
+ * run before the OFFER handler finishes.
*/
- schedule_work_on(vmbus_connection.connect_cpu,
- &ctx->work);
+ schedule_work(&ctx->work);
break;
case CHANNELMSG_OFFERCHANNEL:
+ /*
+ * The host sends the offer message of a given channel
+ * before sending the rescind message of the same
+ * channel. These messages are sent to the guest's
+ * connect CPU; the guest then starts processing them
+ * in the tasklet handler on this CPU:
+ *
+ * VMBUS_CONNECT_CPU
+ *
+ * [vmbus_on_msg_dpc()]
+ * atomic_inc() // CHANNELMSG_OFFERCHANNEL
+ * queue_work()
+ * ...
+ * [vmbus_on_msg_dpc()]
+ * schedule_work() // CHANNELMSG_RESCIND_CHANNELOFFER
+ *
+ * We rely on the memory-ordering properties of the
+ * queue_work() and schedule_work() primitives, which
+ * guarantee that the atomic increment will be visible
+ * to the CPUs which will execute the offer & rescind
+ * works by the time these works will start execution.
+ */
atomic_inc(&vmbus_connection.offer_in_progress);
- queue_work_on(vmbus_connection.connect_cpu,
- vmbus_connection.work_queue,
- &ctx->work);
- break;
+ fallthrough;
default:
queue_work(vmbus_connection.work_queue, &ctx->work);
@@ -1119,10 +1178,11 @@ static void vmbus_force_channel_rescinded(struct vmbus_channel *channel)
WARN_ON(!is_hvsock_channel(channel));
/*
- * sizeof(*ctx) is small and the allocation should really not fail,
+ * Allocation size is small and the allocation should really not fail,
* otherwise the state of the hv_sock connections ends up in limbo.
*/
- ctx = kzalloc(sizeof(*ctx), GFP_KERNEL | __GFP_NOFAIL);
+ ctx = kzalloc(sizeof(*ctx) + sizeof(*rescind),
+ GFP_KERNEL | __GFP_NOFAIL);
/*
* So far, these are not really used by Linux. Just set them to the
@@ -1132,31 +1192,17 @@ static void vmbus_force_channel_rescinded(struct vmbus_channel *channel)
ctx->msg.header.payload_size = sizeof(*rescind);
/* These values are actually used by Linux. */
- rescind = (struct vmbus_channel_rescind_offer *)ctx->msg.u.payload;
+ rescind = (struct vmbus_channel_rescind_offer *)ctx->msg.payload;
rescind->header.msgtype = CHANNELMSG_RESCIND_CHANNELOFFER;
rescind->child_relid = channel->offermsg.child_relid;
INIT_WORK(&ctx->work, vmbus_onmessage_work);
- queue_work_on(vmbus_connection.connect_cpu,
- vmbus_connection.work_queue,
- &ctx->work);
+ queue_work(vmbus_connection.work_queue, &ctx->work);
}
#endif /* CONFIG_PM_SLEEP */
/*
- * Direct callback for channels using other deferred processing
- */
-static void vmbus_channel_isr(struct vmbus_channel *channel)
-{
- void (*callback_fn)(void *);
-
- callback_fn = READ_ONCE(channel->onchannel_callback);
- if (likely(callback_fn != NULL))
- (*callback_fn)(channel->channel_callback_context);
-}
-
-/*
* Schedule all channels with events pending
*/
static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu)
@@ -1186,6 +1232,7 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu)
return;
for_each_set_bit(relid, recv_int_page, maxbits) {
+ void (*callback_fn)(void *context);
struct vmbus_channel *channel;
if (!sync_test_and_clear_bit(relid, recv_int_page))
@@ -1195,33 +1242,54 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu)
if (relid == 0)
continue;
+ /*
+ * Pairs with the kfree_rcu() in vmbus_chan_release().
+ * Guarantees that the channel data structure doesn't
+ * get freed while the channel pointer below is being
+ * dereferenced.
+ */
rcu_read_lock();
/* Find channel based on relid */
- list_for_each_entry_rcu(channel, &hv_cpu->chan_list, percpu_list) {
- if (channel->offermsg.child_relid != relid)
- continue;
+ channel = relid2channel(relid);
+ if (channel == NULL)
+ goto sched_unlock_rcu;
- if (channel->rescind)
- continue;
+ if (channel->rescind)
+ goto sched_unlock_rcu;
- trace_vmbus_chan_sched(channel);
+ /*
+ * Make sure that the ring buffer data structure doesn't get
+ * freed while we dereference the ring buffer pointer. Test
+ * for the channel's onchannel_callback being NULL within a
+ * sched_lock critical section. See also the inline comments
+ * in vmbus_reset_channel_cb().
+ */
+ spin_lock(&channel->sched_lock);
- ++channel->interrupts;
+ callback_fn = channel->onchannel_callback;
+ if (unlikely(callback_fn == NULL))
+ goto sched_unlock;
- switch (channel->callback_mode) {
- case HV_CALL_ISR:
- vmbus_channel_isr(channel);
- break;
+ trace_vmbus_chan_sched(channel);
- case HV_CALL_BATCHED:
- hv_begin_read(&channel->inbound);
- /* fallthrough */
- case HV_CALL_DIRECT:
- tasklet_schedule(&channel->callback_event);
- }
+ ++channel->interrupts;
+
+ switch (channel->callback_mode) {
+ case HV_CALL_ISR:
+ (*callback_fn)(channel->channel_callback_context);
+ break;
+
+ case HV_CALL_BATCHED:
+ hv_begin_read(&channel->inbound);
+ fallthrough;
+ case HV_CALL_DIRECT:
+ tasklet_schedule(&channel->callback_event);
}
+sched_unlock:
+ spin_unlock(&channel->sched_lock);
+sched_unlock_rcu:
rcu_read_unlock();
}
}
@@ -1350,7 +1418,6 @@ static int vmbus_bus_init(void)
{
int ret;
- /* Hypervisor initialization...setup hypercall page..etc */
ret = hv_init();
if (ret != 0) {
pr_err("Unable to initialize the hypervisor - 0x%x\n", ret);
@@ -1539,8 +1606,24 @@ static ssize_t vmbus_chan_attr_show(struct kobject *kobj,
return attribute->show(chan, buf);
}
+static ssize_t vmbus_chan_attr_store(struct kobject *kobj,
+ struct attribute *attr, const char *buf,
+ size_t count)
+{
+ const struct vmbus_chan_attribute *attribute
+ = container_of(attr, struct vmbus_chan_attribute, attr);
+ struct vmbus_channel *chan
+ = container_of(kobj, struct vmbus_channel, kobj);
+
+ if (!attribute->store)
+ return -EIO;
+
+ return attribute->store(chan, buf, count);
+}
+
static const struct sysfs_ops vmbus_chan_sysfs_ops = {
.show = vmbus_chan_attr_show,
+ .store = vmbus_chan_attr_store,
};
static ssize_t out_mask_show(struct vmbus_channel *channel, char *buf)
@@ -1611,11 +1694,110 @@ static ssize_t write_avail_show(struct vmbus_channel *channel, char *buf)
}
static VMBUS_CHAN_ATTR_RO(write_avail);
-static ssize_t show_target_cpu(struct vmbus_channel *channel, char *buf)
+static ssize_t target_cpu_show(struct vmbus_channel *channel, char *buf)
{
return sprintf(buf, "%u\n", channel->target_cpu);
}
-static VMBUS_CHAN_ATTR(cpu, S_IRUGO, show_target_cpu, NULL);
+static ssize_t target_cpu_store(struct vmbus_channel *channel,
+ const char *buf, size_t count)
+{
+ u32 target_cpu, origin_cpu;
+ ssize_t ret = count;
+
+ if (vmbus_proto_version < VERSION_WIN10_V4_1)
+ return -EIO;
+
+ if (sscanf(buf, "%uu", &target_cpu) != 1)
+ return -EIO;
+
+ /* Validate target_cpu for the cpumask_test_cpu() operation below. */
+ if (target_cpu >= nr_cpumask_bits)
+ return -EINVAL;
+
+ /* No CPUs should come up or down during this. */
+ cpus_read_lock();
+
+ if (!cpumask_test_cpu(target_cpu, cpu_online_mask)) {
+ cpus_read_unlock();
+ return -EINVAL;
+ }
+
+ /*
+ * Synchronizes target_cpu_store() and channel closure:
+ *
+ * { Initially: state = CHANNEL_OPENED }
+ *
+ * CPU1 CPU2
+ *
+ * [target_cpu_store()] [vmbus_disconnect_ring()]
+ *
+ * LOCK channel_mutex LOCK channel_mutex
+ * LOAD r1 = state LOAD r2 = state
+ * IF (r1 == CHANNEL_OPENED) IF (r2 == CHANNEL_OPENED)
+ * SEND MODIFYCHANNEL STORE state = CHANNEL_OPEN
+ * [...] SEND CLOSECHANNEL
+ * UNLOCK channel_mutex UNLOCK channel_mutex
+ *
+ * Forbids: r1 == r2 == CHANNEL_OPENED (i.e., CPU1's LOCK precedes
+ * CPU2's LOCK) && CPU2's SEND precedes CPU1's SEND
+ *
+ * Note. The host processes the channel messages "sequentially", in
+ * the order in which they are received on a per-partition basis.
+ */
+ mutex_lock(&vmbus_connection.channel_mutex);
+
+ /*
+ * Hyper-V will ignore MODIFYCHANNEL messages for "non-open" channels;
+ * avoid sending the message and fail here for such channels.
+ */
+ if (channel->state != CHANNEL_OPENED_STATE) {
+ ret = -EIO;
+ goto cpu_store_unlock;
+ }
+
+ origin_cpu = channel->target_cpu;
+ if (target_cpu == origin_cpu)
+ goto cpu_store_unlock;
+
+ if (vmbus_send_modifychannel(channel->offermsg.child_relid,
+ hv_cpu_number_to_vp_number(target_cpu))) {
+ ret = -EIO;
+ goto cpu_store_unlock;
+ }
+
+ /*
+ * Warning. At this point, there is *no* guarantee that the host will
+ * have successfully processed the vmbus_send_modifychannel() request.
+ * See the header comment of vmbus_send_modifychannel() for more info.
+ *
+ * Lags in the processing of the above vmbus_send_modifychannel() can
+ * result in missed interrupts if the "old" target CPU is taken offline
+ * before Hyper-V starts sending interrupts to the "new" target CPU.
+ * But apart from this offlining scenario, the code tolerates such
+ * lags. It will function correctly even if a channel interrupt comes
+ * in on a CPU that is different from the channel target_cpu value.
+ */
+
+ channel->target_cpu = target_cpu;
+ channel->target_vp = hv_cpu_number_to_vp_number(target_cpu);
+ channel->numa_node = cpu_to_node(target_cpu);
+
+ /* See init_vp_index(). */
+ if (hv_is_perf_channel(channel))
+ hv_update_alloced_cpus(origin_cpu, target_cpu);
+
+ /* Currently set only for storvsc channels. */
+ if (channel->change_target_cpu_callback) {
+ (*channel->change_target_cpu_callback)(channel,
+ origin_cpu, target_cpu);
+ }
+
+cpu_store_unlock:
+ mutex_unlock(&vmbus_connection.channel_mutex);
+ cpus_read_unlock();
+ return ret;
+}
+static VMBUS_CHAN_ATTR(cpu, 0644, target_cpu_show, target_cpu_store);
static ssize_t channel_pending_show(struct vmbus_channel *channel,
char *buf)
@@ -1816,7 +1998,7 @@ int vmbus_device_register(struct hv_device *child_device_obj)
int ret;
dev_set_name(&child_device_obj->device, "%pUl",
- child_device_obj->channel->offermsg.offer.if_instance.b);
+ &child_device_obj->channel->offermsg.offer.if_instance);
child_device_obj->device.bus = &hv_bus;
child_device_obj->device.parent = &hv_acpi_dev->dev;
@@ -2207,9 +2389,12 @@ static int vmbus_bus_suspend(struct device *dev)
list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {
/*
- * Invalidate the field. Upon resume, vmbus_onoffer() will fix
- * up the field, and the other fields (if necessary).
+ * Remove the channel from the array of channels and invalidate
+ * the channel's relid. Upon resume, vmbus_onoffer() will fix
+ * up the relid (and other fields, if necessary) and add the
+ * channel back to the array.
*/
+ vmbus_channel_unmap_relid(channel);
channel->offermsg.child_relid = INVALID_RELID;
if (is_hvsock_channel(channel)) {
@@ -2281,6 +2466,9 @@ static int vmbus_bus_resume(struct device *dev)
return 0;
}
+#else
+#define vmbus_bus_suspend NULL
+#define vmbus_bus_resume NULL
#endif /* CONFIG_PM_SLEEP */
static const struct acpi_device_id vmbus_acpi_device_ids[] = {
@@ -2291,16 +2479,24 @@ static const struct acpi_device_id vmbus_acpi_device_ids[] = {
MODULE_DEVICE_TABLE(acpi, vmbus_acpi_device_ids);
/*
- * Note: we must use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS rather than
- * SET_SYSTEM_SLEEP_PM_OPS, otherwise NIC SR-IOV can not work, because the
- * "pci_dev_pm_ops" uses the "noirq" callbacks: in the resume path, the
- * pci "noirq" restore callback runs before "non-noirq" callbacks (see
+ * Note: we must use the "no_irq" ops, otherwise hibernation can not work with
+ * PCI device assignment, because "pci_dev_pm_ops" uses the "noirq" ops: in
+ * the resume path, the pci "noirq" restore op runs before "non-noirq" op (see
* resume_target_kernel() -> dpm_resume_start(), and hibernation_restore() ->
* dpm_resume_end()). This means vmbus_bus_resume() and the pci-hyperv's
- * resume callback must also run via the "noirq" callbacks.
+ * resume callback must also run via the "noirq" ops.
+ *
+ * Set suspend_noirq/resume_noirq to NULL for Suspend-to-Idle: see the comment
+ * earlier in this file before vmbus_pm.
*/
+
static const struct dev_pm_ops vmbus_bus_pm = {
- SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(vmbus_bus_suspend, vmbus_bus_resume)
+ .suspend_noirq = NULL,
+ .resume_noirq = NULL,
+ .freeze_noirq = vmbus_bus_suspend,
+ .thaw_noirq = vmbus_bus_resume,
+ .poweroff_noirq = vmbus_bus_suspend,
+ .restore_noirq = vmbus_bus_resume
};
static struct acpi_driver vmbus_acpi_driver = {
@@ -2445,6 +2641,7 @@ static void __exit vmbus_exit(void)
hv_debug_rm_all_dir();
vmbus_free_channels();
+ kfree(vmbus_connection.channels);
if (ms_hyperv.misc_features & HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE) {
kmsg_dump_unregister(&hv_kmsg_dumper);
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 4c62f900bf7e..288ae9f63588 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -324,6 +324,16 @@ config SENSORS_FAM15H_POWER
This driver can also be built as a module. If so, the module
will be called fam15h_power.
+config SENSORS_AMD_ENERGY
+ tristate "AMD RAPL MSR based Energy driver"
+ depends on X86
+ help
+ If you say yes here you get support for core and package energy
+ sensors, based on RAPL MSR for AMD family 17h and above CPUs.
+
+ This driver can also be built as a module. If so, the module
+ will be called as amd_energy.
+
config SENSORS_APPLESMC
tristate "Apple SMC (Motion sensor, light sensor, keyboard backlight)"
depends on INPUT && X86
@@ -404,6 +414,31 @@ config SENSORS_ATXP1
This driver can also be built as a module. If so, the module
will be called atxp1.
+config SENSORS_BT1_PVT
+ tristate "Baikal-T1 Process, Voltage, Temperature sensor driver"
+ depends on MIPS_BAIKAL_T1 || COMPILE_TEST
+ help
+ If you say yes here you get support for Baikal-T1 PVT sensor
+ embedded into the SoC.
+
+ This driver can also be built as a module. If so, the module will be
+ called bt1-pvt.
+
+config SENSORS_BT1_PVT_ALARMS
+ bool "Enable Baikal-T1 PVT sensor alarms"
+ depends on SENSORS_BT1_PVT
+ help
+ Baikal-T1 PVT IP-block provides threshold registers for each
+ supported sensor. But the corresponding interrupts might be
+ generated by the thresholds comparator only in synchronization with
+ a data conversion. Additionally there is only one sensor data can
+ be converted at a time. All of these makes the interface impossible
+ to be used for the hwmon alarms implementation without periodic
+ switch between the PVT sensors. By default the data conversion is
+ performed on demand from the user-space. If this config is enabled
+ the data conversion will be periodically performed and the data will be
+ saved in the internal driver cache.
+
config SENSORS_DRIVETEMP
tristate "Hard disk drives with temperature sensors"
depends on SCSI && ATA
@@ -523,6 +558,15 @@ config SENSORS_F75375S
This driver can also be built as a module. If so, the module
will be called f75375s.
+config SENSORS_GSC
+ tristate "Gateworks System Controller ADC"
+ depends on MFD_GATEWORKS_GSC
+ help
+ Support for the Gateworks System Controller A/D converters.
+
+ To compile this driver as a module, choose M here:
+ the module will be called gsc-hwmon.
+
config SENSORS_MC13783_ADC
tristate "Freescale MC13783/MC13892 ADC"
depends on MFD_MC13XXX
@@ -1198,10 +1242,11 @@ config SENSORS_LM90
help
If you say yes here you get support for National Semiconductor LM90,
LM86, LM89 and LM99, Analog Devices ADM1032, ADT7461, and ADT7461A,
- Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
- MAX6680, MAX6681, MAX6692, MAX6695, MAX6696, ON Semiconductor NCT1008,
- Winbond/Nuvoton W83L771W/G/AWG/ASG, Philips SA56004, GMT G781, and
- Texas Instruments TMP451 sensor chips.
+ Maxim MAX6646, MAX6647, MAX6648, MAX6649, MAX6654, MAX6657, MAX6658,
+ MAX6659, MAX6680, MAX6681, MAX6692, MAX6695, MAX6696,
+ ON Semiconductor NCT1008, Winbond/Nuvoton W83L771W/G/AWG/ASG,
+ Philips SA56004, GMT G781, and Texas Instruments TMP451
+ sensor chips.
This driver can also be built as a module. If so, the module
will be called lm90.
@@ -1340,10 +1385,12 @@ config SENSORS_NCT7802
config SENSORS_NCT7904
tristate "Nuvoton NCT7904"
- depends on I2C
+ depends on I2C && WATCHDOG
+ select WATCHDOG_CORE
help
If you say yes here you get support for the Nuvoton NCT7904
- hardware monitoring chip, including manual fan speed control.
+ hardware monitoring chip, including manual fan speed control
+ and support for the integrated watchdog.
This driver can also be built as a module. If so, the module
will be called nct7904.
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index b0b9c8e57176..3e32c21f5efe 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_SENSORS_ADT7411) += adt7411.o
obj-$(CONFIG_SENSORS_ADT7462) += adt7462.o
obj-$(CONFIG_SENSORS_ADT7470) += adt7470.o
obj-$(CONFIG_SENSORS_ADT7475) += adt7475.o
+obj-$(CONFIG_SENSORS_AMD_ENERGY) += amd_energy.o
obj-$(CONFIG_SENSORS_APPLESMC) += applesmc.o
obj-$(CONFIG_SENSORS_ARM_SCMI) += scmi-hwmon.o
obj-$(CONFIG_SENSORS_ARM_SCPI) += scpi-hwmon.o
@@ -53,6 +54,7 @@ obj-$(CONFIG_SENSORS_ASC7621) += asc7621.o
obj-$(CONFIG_SENSORS_ASPEED) += aspeed-pwm-tacho.o
obj-$(CONFIG_SENSORS_ATXP1) += atxp1.o
obj-$(CONFIG_SENSORS_AXI_FAN_CONTROL) += axi-fan-control.o
+obj-$(CONFIG_SENSORS_BT1_PVT) += bt1-pvt.o
obj-$(CONFIG_SENSORS_CORETEMP) += coretemp.o
obj-$(CONFIG_SENSORS_DA9052_ADC)+= da9052-hwmon.o
obj-$(CONFIG_SENSORS_DA9055)+= da9055-hwmon.o
@@ -74,6 +76,7 @@ obj-$(CONFIG_SENSORS_G760A) += g760a.o
obj-$(CONFIG_SENSORS_G762) += g762.o
obj-$(CONFIG_SENSORS_GL518SM) += gl518sm.o
obj-$(CONFIG_SENSORS_GL520SM) += gl520sm.o
+obj-$(CONFIG_SENSORS_GSC) += gsc-hwmon.o
obj-$(CONFIG_SENSORS_GPIO_FAN) += gpio-fan.o
obj-$(CONFIG_SENSORS_HIH6130) += hih6130.o
obj-$(CONFIG_SENSORS_ULTRA45) += ultra45_env.o
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index c7010b91bc13..5a839cc2ed1c 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -716,7 +716,6 @@ static struct i2c_driver adt7411_driver = {
module_i2c_driver(adt7411_driver);
-MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de> and "
- "Wolfram Sang <w.sang@pengutronix.de>");
+MODULE_AUTHOR("Sascha Hauer, Wolfram Sang <kernel@pengutronix.de>");
MODULE_DESCRIPTION("ADT7411 driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwmon/amd_energy.c b/drivers/hwmon/amd_energy.c
new file mode 100644
index 000000000000..e95b7426106e
--- /dev/null
+++ b/drivers/hwmon/amd_energy.c
@@ -0,0 +1,408 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright (C) 2020 Advanced Micro Devices, Inc.
+ */
+#include <asm/cpu_device_id.h>
+
+#include <linux/bits.h>
+#include <linux/cpu.h>
+#include <linux/cpumask.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/hwmon.h>
+#include <linux/kernel.h>
+#include <linux/kthread.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/processor.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/topology.h>
+#include <linux/types.h>
+
+#define DRVNAME "amd_energy"
+
+#define ENERGY_PWR_UNIT_MSR 0xC0010299
+#define ENERGY_CORE_MSR 0xC001029A
+#define ENERGY_PKG_MSR 0xC001029B
+
+#define AMD_ENERGY_UNIT_MASK 0x01F00
+#define AMD_ENERGY_MASK 0xFFFFFFFF
+
+struct sensor_accumulator {
+ u64 energy_ctr;
+ u64 prev_value;
+ char label[10];
+};
+
+struct amd_energy_data {
+ struct hwmon_channel_info energy_info;
+ const struct hwmon_channel_info *info[2];
+ struct hwmon_chip_info chip;
+ struct task_struct *wrap_accumulate;
+ /* Lock around the accumulator */
+ struct mutex lock;
+ /* An accumulator for each core and socket */
+ struct sensor_accumulator *accums;
+ /* Energy Status Units */
+ u64 energy_units;
+ int nr_cpus;
+ int nr_socks;
+ int core_id;
+};
+
+static int amd_energy_read_labels(struct device *dev,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel,
+ const char **str)
+{
+ struct amd_energy_data *data = dev_get_drvdata(dev);
+
+ *str = data->accums[channel].label;
+ return 0;
+}
+
+static void get_energy_units(struct amd_energy_data *data)
+{
+ u64 rapl_units;
+
+ rdmsrl_safe(ENERGY_PWR_UNIT_MSR, &rapl_units);
+ data->energy_units = (rapl_units & AMD_ENERGY_UNIT_MASK) >> 8;
+}
+
+static void accumulate_socket_delta(struct amd_energy_data *data,
+ int sock, int cpu)
+{
+ struct sensor_accumulator *s_accum;
+ u64 input;
+
+ mutex_lock(&data->lock);
+ rdmsrl_safe_on_cpu(cpu, ENERGY_PKG_MSR, &input);
+ input &= AMD_ENERGY_MASK;
+
+ s_accum = &data->accums[data->nr_cpus + sock];
+ if (input >= s_accum->prev_value)
+ s_accum->energy_ctr +=
+ input - s_accum->prev_value;
+ else
+ s_accum->energy_ctr += UINT_MAX -
+ s_accum->prev_value + input;
+
+ s_accum->prev_value = input;
+ mutex_unlock(&data->lock);
+}
+
+static void accumulate_core_delta(struct amd_energy_data *data)
+{
+ struct sensor_accumulator *c_accum;
+ u64 input;
+ int cpu;
+
+ mutex_lock(&data->lock);
+ if (data->core_id >= data->nr_cpus)
+ data->core_id = 0;
+
+ cpu = data->core_id;
+
+ if (!cpu_online(cpu))
+ goto out;
+
+ rdmsrl_safe_on_cpu(cpu, ENERGY_CORE_MSR, &input);
+ input &= AMD_ENERGY_MASK;
+
+ c_accum = &data->accums[cpu];
+
+ if (input >= c_accum->prev_value)
+ c_accum->energy_ctr +=
+ input - c_accum->prev_value;
+ else
+ c_accum->energy_ctr += UINT_MAX -
+ c_accum->prev_value + input;
+
+ c_accum->prev_value = input;
+
+out:
+ data->core_id++;
+ mutex_unlock(&data->lock);
+}
+
+static void read_accumulate(struct amd_energy_data *data)
+{
+ int sock;
+
+ for (sock = 0; sock < data->nr_socks; sock++) {
+ int cpu;
+
+ cpu = cpumask_first_and(cpu_online_mask,
+ cpumask_of_node(sock));
+
+ accumulate_socket_delta(data, sock, cpu);
+ }
+
+ accumulate_core_delta(data);
+}
+
+static void amd_add_delta(struct amd_energy_data *data, int ch,
+ int cpu, long *val, bool is_core)
+{
+ struct sensor_accumulator *s_accum, *c_accum;
+ u64 input;
+
+ mutex_lock(&data->lock);
+ if (!is_core) {
+ rdmsrl_safe_on_cpu(cpu, ENERGY_PKG_MSR, &input);
+ input &= AMD_ENERGY_MASK;
+
+ s_accum = &data->accums[ch];
+ if (input >= s_accum->prev_value)
+ input += s_accum->energy_ctr -
+ s_accum->prev_value;
+ else
+ input += UINT_MAX - s_accum->prev_value +
+ s_accum->energy_ctr;
+ } else {
+ rdmsrl_safe_on_cpu(cpu, ENERGY_CORE_MSR, &input);
+ input &= AMD_ENERGY_MASK;
+
+ c_accum = &data->accums[ch];
+ if (input >= c_accum->prev_value)
+ input += c_accum->energy_ctr -
+ c_accum->prev_value;
+ else
+ input += UINT_MAX - c_accum->prev_value +
+ c_accum->energy_ctr;
+ }
+
+ /* Energy consumed = (1/(2^ESU) * RAW * 1000000UL) μJoules */
+ *val = div64_ul(input * 1000000UL, BIT(data->energy_units));
+
+ mutex_unlock(&data->lock);
+}
+
+static int amd_energy_read(struct device *dev,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel, long *val)
+{
+ struct amd_energy_data *data = dev_get_drvdata(dev);
+ int cpu;
+
+ if (channel >= data->nr_cpus) {
+ cpu = cpumask_first_and(cpu_online_mask,
+ cpumask_of_node
+ (channel - data->nr_cpus));
+ amd_add_delta(data, channel, cpu, val, false);
+ } else {
+ cpu = channel;
+ if (!cpu_online(cpu))
+ return -ENODEV;
+
+ amd_add_delta(data, channel, cpu, val, true);
+ }
+
+ return 0;
+}
+
+static umode_t amd_energy_is_visible(const void *_data,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ return 0444;
+}
+
+static int energy_accumulator(void *p)
+{
+ struct amd_energy_data *data = (struct amd_energy_data *)p;
+
+ while (!kthread_should_stop()) {
+ /*
+ * Ignoring the conditions such as
+ * cpu being offline or rdmsr failure
+ */
+ read_accumulate(data);
+
+ set_current_state(TASK_INTERRUPTIBLE);
+ if (kthread_should_stop())
+ break;
+
+ /*
+ * On a 240W system, with default resolution the
+ * Socket Energy status register may wrap around in
+ * 2^32*15.3 e-6/240 = 273.8041 secs (~4.5 mins)
+ *
+ * let us accumulate for every 100secs
+ */
+ schedule_timeout(msecs_to_jiffies(100000));
+ }
+ return 0;
+}
+
+static const struct hwmon_ops amd_energy_ops = {
+ .is_visible = amd_energy_is_visible,
+ .read = amd_energy_read,
+ .read_string = amd_energy_read_labels,
+};
+
+static int amd_create_sensor(struct device *dev,
+ struct amd_energy_data *data,
+ u8 type, u32 config)
+{
+ struct hwmon_channel_info *info = &data->energy_info;
+ struct sensor_accumulator *accums;
+ int i, num_siblings, cpus, sockets;
+ u32 *s_config;
+
+ /* Identify the number of siblings per core */
+ num_siblings = ((cpuid_ebx(0x8000001e) >> 8) & 0xff) + 1;
+
+ sockets = num_possible_nodes();
+
+ /*
+ * Energy counter register is accessed at core level.
+ * Hence, filterout the siblings.
+ */
+ cpus = num_present_cpus() / num_siblings;
+
+ s_config = devm_kcalloc(dev, cpus + sockets,
+ sizeof(u32), GFP_KERNEL);
+ if (!s_config)
+ return -ENOMEM;
+
+ accums = devm_kcalloc(dev, cpus + sockets,
+ sizeof(struct sensor_accumulator),
+ GFP_KERNEL);
+ if (!accums)
+ return -ENOMEM;
+
+ info->type = type;
+ info->config = s_config;
+
+ data->nr_cpus = cpus;
+ data->nr_socks = sockets;
+ data->accums = accums;
+
+ for (i = 0; i < cpus + sockets; i++) {
+ s_config[i] = config;
+ if (i < cpus)
+ scnprintf(accums[i].label, 10,
+ "Ecore%03u", i);
+ else
+ scnprintf(accums[i].label, 10,
+ "Esocket%u", (i - cpus));
+ }
+
+ return 0;
+}
+
+static int amd_energy_probe(struct platform_device *pdev)
+{
+ struct device *hwmon_dev;
+ struct amd_energy_data *data;
+ struct device *dev = &pdev->dev;
+
+ data = devm_kzalloc(dev,
+ sizeof(struct amd_energy_data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->chip.ops = &amd_energy_ops;
+ data->chip.info = data->info;
+
+ dev_set_drvdata(dev, data);
+ /* Populate per-core energy reporting */
+ data->info[0] = &data->energy_info;
+ amd_create_sensor(dev, data, hwmon_energy,
+ HWMON_E_INPUT | HWMON_E_LABEL);
+
+ mutex_init(&data->lock);
+ get_energy_units(data);
+
+ hwmon_dev = devm_hwmon_device_register_with_info(dev, DRVNAME,
+ data,
+ &data->chip,
+ NULL);
+ if (IS_ERR(hwmon_dev))
+ return PTR_ERR(hwmon_dev);
+
+ data->wrap_accumulate = kthread_run(energy_accumulator, data,
+ "%s", dev_name(hwmon_dev));
+ if (IS_ERR(data->wrap_accumulate))
+ return PTR_ERR(data->wrap_accumulate);
+
+ return PTR_ERR_OR_ZERO(data->wrap_accumulate);
+}
+
+static int amd_energy_remove(struct platform_device *pdev)
+{
+ struct amd_energy_data *data = dev_get_drvdata(&pdev->dev);
+
+ if (data && data->wrap_accumulate)
+ kthread_stop(data->wrap_accumulate);
+
+ return 0;
+}
+
+static const struct platform_device_id amd_energy_ids[] = {
+ { .name = DRVNAME, },
+ {}
+};
+MODULE_DEVICE_TABLE(platform, amd_energy_ids);
+
+static struct platform_driver amd_energy_driver = {
+ .probe = amd_energy_probe,
+ .remove = amd_energy_remove,
+ .id_table = amd_energy_ids,
+ .driver = {
+ .name = DRVNAME,
+ },
+};
+
+static struct platform_device *amd_energy_platdev;
+
+static const struct x86_cpu_id cpu_ids[] __initconst = {
+ X86_MATCH_VENDOR_FAM(AMD, 0x17, NULL),
+ {}
+};
+MODULE_DEVICE_TABLE(x86cpu, cpu_ids);
+
+static int __init amd_energy_init(void)
+{
+ int ret;
+
+ if (!x86_match_cpu(cpu_ids))
+ return -ENODEV;
+
+ ret = platform_driver_register(&amd_energy_driver);
+ if (ret)
+ return ret;
+
+ amd_energy_platdev = platform_device_alloc(DRVNAME, 0);
+ if (!amd_energy_platdev) {
+ platform_driver_unregister(&amd_energy_driver);
+ return -ENOMEM;
+ }
+
+ ret = platform_device_add(amd_energy_platdev);
+ if (ret) {
+ platform_device_put(amd_energy_platdev);
+ platform_driver_unregister(&amd_energy_driver);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void __exit amd_energy_exit(void)
+{
+ platform_device_unregister(amd_energy_platdev);
+ platform_driver_unregister(&amd_energy_driver);
+}
+
+module_init(amd_energy_init);
+module_exit(amd_energy_exit);
+
+MODULE_DESCRIPTION("Driver for AMD Energy reporting from RAPL MSR via HWMON interface");
+MODULE_AUTHOR("Naveen Krishna Chatradhi <nchatrad@amd.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index ec93b8d673f5..316618409315 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -156,14 +156,19 @@ static struct workqueue_struct *applesmc_led_wq;
*/
static int wait_read(void)
{
+ unsigned long end = jiffies + (APPLESMC_MAX_WAIT * HZ) / USEC_PER_SEC;
u8 status;
int us;
+
for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
- udelay(us);
+ usleep_range(us, us * 16);
status = inb(APPLESMC_CMD_PORT);
/* read: wait for smc to settle */
if (status & 0x01)
return 0;
+ /* timeout: give up */
+ if (time_after(jiffies, end))
+ break;
}
pr_warn("wait_read() fail: 0x%02x\n", status);
@@ -178,10 +183,11 @@ static int send_byte(u8 cmd, u16 port)
{
u8 status;
int us;
+ unsigned long end = jiffies + (APPLESMC_MAX_WAIT * HZ) / USEC_PER_SEC;
outb(cmd, port);
for (us = APPLESMC_MIN_WAIT; us < APPLESMC_MAX_WAIT; us <<= 1) {
- udelay(us);
+ usleep_range(us, us * 16);
status = inb(APPLESMC_CMD_PORT);
/* write: wait for smc to settle */
if (status & 0x02)
@@ -190,7 +196,7 @@ static int send_byte(u8 cmd, u16 port)
if (status & 0x04)
return 0;
/* timeout: give up */
- if (us << 1 == APPLESMC_MAX_WAIT)
+ if (time_after(jiffies, end))
break;
/* busy: long wait and resend */
udelay(APPLESMC_RETRY_WAIT);
diff --git a/drivers/hwmon/bt1-pvt.c b/drivers/hwmon/bt1-pvt.c
new file mode 100644
index 000000000000..1a9772fb1f73
--- /dev/null
+++ b/drivers/hwmon/bt1-pvt.c
@@ -0,0 +1,1146 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
+ *
+ * Authors:
+ * Maxim Kaurkin <maxim.kaurkin@baikalelectronics.ru>
+ * Serge Semin <Sergey.Semin@baikalelectronics.ru>
+ *
+ * Baikal-T1 Process, Voltage, Temperature sensor driver
+ */
+
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
+#include <linux/device.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/hwmon.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/ktime.h>
+#include <linux/limits.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/seqlock.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+
+#include "bt1-pvt.h"
+
+/*
+ * For the sake of the code simplification we created the sensors info table
+ * with the sensor names, activation modes, threshold registers base address
+ * and the thresholds bit fields.
+ */
+static const struct pvt_sensor_info pvt_info[] = {
+ PVT_SENSOR_INFO(0, "CPU Core Temperature", hwmon_temp, TEMP, TTHRES),
+ PVT_SENSOR_INFO(0, "CPU Core Voltage", hwmon_in, VOLT, VTHRES),
+ PVT_SENSOR_INFO(1, "CPU Core Low-Vt", hwmon_in, LVT, LTHRES),
+ PVT_SENSOR_INFO(2, "CPU Core High-Vt", hwmon_in, HVT, HTHRES),
+ PVT_SENSOR_INFO(3, "CPU Core Standard-Vt", hwmon_in, SVT, STHRES),
+};
+
+/*
+ * The original translation formulae of the temperature (in degrees of Celsius)
+ * to PVT data and vice-versa are following:
+ * N = 1.8322e-8*(T^4) + 2.343e-5*(T^3) + 8.7018e-3*(T^2) + 3.9269*(T^1) +
+ * 1.7204e2,
+ * T = -1.6743e-11*(N^4) + 8.1542e-8*(N^3) + -1.8201e-4*(N^2) +
+ * 3.1020e-1*(N^1) - 4.838e1,
+ * where T = [-48.380, 147.438]C and N = [0, 1023].
+ * They must be accordingly altered to be suitable for the integer arithmetics.
+ * The technique is called 'factor redistribution', which just makes sure the
+ * multiplications and divisions are made so to have a result of the operations
+ * within the integer numbers limit. In addition we need to translate the
+ * formulae to accept millidegrees of Celsius. Here what they look like after
+ * the alterations:
+ * N = (18322e-20*(T^4) + 2343e-13*(T^3) + 87018e-9*(T^2) + 39269e-3*T +
+ * 17204e2) / 1e4,
+ * T = -16743e-12*(D^4) + 81542e-9*(D^3) - 182010e-6*(D^2) + 310200e-3*D -
+ * 48380,
+ * where T = [-48380, 147438] mC and N = [0, 1023].
+ */
+static const struct pvt_poly poly_temp_to_N = {
+ .total_divider = 10000,
+ .terms = {
+ {4, 18322, 10000, 10000},
+ {3, 2343, 10000, 10},
+ {2, 87018, 10000, 10},
+ {1, 39269, 1000, 1},
+ {0, 1720400, 1, 1}
+ }
+};
+
+static const struct pvt_poly poly_N_to_temp = {
+ .total_divider = 1,
+ .terms = {
+ {4, -16743, 1000, 1},
+ {3, 81542, 1000, 1},
+ {2, -182010, 1000, 1},
+ {1, 310200, 1000, 1},
+ {0, -48380, 1, 1}
+ }
+};
+
+/*
+ * Similar alterations are performed for the voltage conversion equations.
+ * The original formulae are:
+ * N = 1.8658e3*V - 1.1572e3,
+ * V = (N + 1.1572e3) / 1.8658e3,
+ * where V = [0.620, 1.168] V and N = [0, 1023].
+ * After the optimization they looks as follows:
+ * N = (18658e-3*V - 11572) / 10,
+ * V = N * 10^5 / 18658 + 11572 * 10^4 / 18658.
+ */
+static const struct pvt_poly poly_volt_to_N = {
+ .total_divider = 10,
+ .terms = {
+ {1, 18658, 1000, 1},
+ {0, -11572, 1, 1}
+ }
+};
+
+static const struct pvt_poly poly_N_to_volt = {
+ .total_divider = 10,
+ .terms = {
+ {1, 100000, 18658, 1},
+ {0, 115720000, 1, 18658}
+ }
+};
+
+/*
+ * Here is the polynomial calculation function, which performs the
+ * redistributed terms calculations. It's pretty straightforward. We walk
+ * over each degree term up to the free one, and perform the redistributed
+ * multiplication of the term coefficient, its divider (as for the rationale
+ * fraction representation), data power and the rational fraction divider
+ * leftover. Then all of this is collected in a total sum variable, which
+ * value is normalized by the total divider before being returned.
+ */
+static long pvt_calc_poly(const struct pvt_poly *poly, long data)
+{
+ const struct pvt_poly_term *term = poly->terms;
+ long tmp, ret = 0;
+ int deg;
+
+ do {
+ tmp = term->coef;
+ for (deg = 0; deg < term->deg; ++deg)
+ tmp = mult_frac(tmp, data, term->divider);
+ ret += tmp / term->divider_leftover;
+ } while ((term++)->deg);
+
+ return ret / poly->total_divider;
+}
+
+static inline u32 pvt_update(void __iomem *reg, u32 mask, u32 data)
+{
+ u32 old;
+
+ old = readl_relaxed(reg);
+ writel((old & ~mask) | (data & mask), reg);
+
+ return old & mask;
+}
+
+/*
+ * Baikal-T1 PVT mode can be updated only when the controller is disabled.
+ * So first we disable it, then set the new mode together with the controller
+ * getting back enabled. The same concerns the temperature trim and
+ * measurements timeout. If it is necessary the interface mutex is supposed
+ * to be locked at the time the operations are performed.
+ */
+static inline void pvt_set_mode(struct pvt_hwmon *pvt, u32 mode)
+{
+ u32 old;
+
+ mode = FIELD_PREP(PVT_CTRL_MODE_MASK, mode);
+
+ old = pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_MODE_MASK | PVT_CTRL_EN,
+ mode | old);
+}
+
+static inline u32 pvt_calc_trim(long temp)
+{
+ temp = clamp_val(temp, 0, PVT_TRIM_TEMP);
+
+ return DIV_ROUND_UP(temp, PVT_TRIM_STEP);
+}
+
+static inline void pvt_set_trim(struct pvt_hwmon *pvt, u32 trim)
+{
+ u32 old;
+
+ trim = FIELD_PREP(PVT_CTRL_TRIM_MASK, trim);
+
+ old = pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_TRIM_MASK | PVT_CTRL_EN,
+ trim | old);
+}
+
+static inline void pvt_set_tout(struct pvt_hwmon *pvt, u32 tout)
+{
+ u32 old;
+
+ old = pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ writel(tout, pvt->regs + PVT_TTIMEOUT);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, old);
+}
+
+/*
+ * This driver can optionally provide the hwmon alarms for each sensor the PVT
+ * controller supports. The alarms functionality is made compile-time
+ * configurable due to the hardware interface implementation peculiarity
+ * described further in this comment. So in case if alarms are unnecessary in
+ * your system design it's recommended to have them disabled to prevent the PVT
+ * IRQs being periodically raised to get the data cache/alarms status up to
+ * date.
+ *
+ * Baikal-T1 PVT embedded controller is based on the Analog Bits PVT sensor,
+ * but is equipped with a dedicated control wrapper. It exposes the PVT
+ * sub-block registers space via the APB3 bus. In addition the wrapper provides
+ * a common interrupt vector of the sensors conversion completion events and
+ * threshold value alarms. Alas the wrapper interface hasn't been fully thought
+ * through. There is only one sensor can be activated at a time, for which the
+ * thresholds comparator is enabled right after the data conversion is
+ * completed. Due to this if alarms need to be implemented for all available
+ * sensors we can't just set the thresholds and enable the interrupts. We need
+ * to enable the sensors one after another and let the controller to detect
+ * the alarms by itself at each conversion. This also makes pointless to handle
+ * the alarms interrupts, since in occasion they happen synchronously with
+ * data conversion completion. The best driver design would be to have the
+ * completion interrupts enabled only and keep the converted value in the
+ * driver data cache. This solution is implemented if hwmon alarms are enabled
+ * in this driver. In case if the alarms are disabled, the conversion is
+ * performed on demand at the time a sensors input file is read.
+ */
+
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+
+#define pvt_hard_isr NULL
+
+static irqreturn_t pvt_soft_isr(int irq, void *data)
+{
+ const struct pvt_sensor_info *info;
+ struct pvt_hwmon *pvt = data;
+ struct pvt_cache *cache;
+ u32 val, thres_sts, old;
+
+ /*
+ * DVALID bit will be cleared by reading the data. We need to save the
+ * status before the next conversion happens. Threshold events will be
+ * handled a bit later.
+ */
+ thres_sts = readl(pvt->regs + PVT_RAW_INTR_STAT);
+
+ /*
+ * Then lets recharge the PVT interface with the next sampling mode.
+ * Lock the interface mutex to serialize trim, timeouts and alarm
+ * thresholds settings.
+ */
+ cache = &pvt->cache[pvt->sensor];
+ info = &pvt_info[pvt->sensor];
+ pvt->sensor = (pvt->sensor == PVT_SENSOR_LAST) ?
+ PVT_SENSOR_FIRST : (pvt->sensor + 1);
+
+ /*
+ * For some reason we have to mask the interrupt before changing the
+ * mode, otherwise sometimes the temperature mode doesn't get
+ * activated even though the actual mode in the ctrl register
+ * corresponds to one. Then we read the data. By doing so we also
+ * recharge the data conversion. After this the mode corresponding
+ * to the next sensor in the row is set. Finally we enable the
+ * interrupts back.
+ */
+ mutex_lock(&pvt->iface_mtx);
+
+ old = pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID,
+ PVT_INTR_DVALID);
+
+ val = readl(pvt->regs + PVT_DATA);
+
+ pvt_set_mode(pvt, pvt_info[pvt->sensor].mode);
+
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID, old);
+
+ mutex_unlock(&pvt->iface_mtx);
+
+ /*
+ * We can now update the data cache with data just retrieved from the
+ * sensor. Lock write-seqlock to make sure the reader has a coherent
+ * data.
+ */
+ write_seqlock(&cache->data_seqlock);
+
+ cache->data = FIELD_GET(PVT_DATA_DATA_MASK, val);
+
+ write_sequnlock(&cache->data_seqlock);
+
+ /*
+ * While PVT core is doing the next mode data conversion, we'll check
+ * whether the alarms were triggered for the current sensor. Note that
+ * according to the documentation only one threshold IRQ status can be
+ * set at a time, that's why if-else statement is utilized.
+ */
+ if ((thres_sts & info->thres_sts_lo) ^ cache->thres_sts_lo) {
+ WRITE_ONCE(cache->thres_sts_lo, thres_sts & info->thres_sts_lo);
+ hwmon_notify_event(pvt->hwmon, info->type, info->attr_min_alarm,
+ info->channel);
+ } else if ((thres_sts & info->thres_sts_hi) ^ cache->thres_sts_hi) {
+ WRITE_ONCE(cache->thres_sts_hi, thres_sts & info->thres_sts_hi);
+ hwmon_notify_event(pvt->hwmon, info->type, info->attr_max_alarm,
+ info->channel);
+ }
+
+ return IRQ_HANDLED;
+}
+
+inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
+{
+ return 0644;
+}
+
+inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
+{
+ return 0444;
+}
+
+static int pvt_read_data(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ long *val)
+{
+ struct pvt_cache *cache = &pvt->cache[type];
+ unsigned int seq;
+ u32 data;
+
+ do {
+ seq = read_seqbegin(&cache->data_seqlock);
+ data = cache->data;
+ } while (read_seqretry(&cache->data_seqlock, seq));
+
+ if (type == PVT_TEMP)
+ *val = pvt_calc_poly(&poly_N_to_temp, data);
+ else
+ *val = pvt_calc_poly(&poly_N_to_volt, data);
+
+ return 0;
+}
+
+static int pvt_read_limit(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long *val)
+{
+ u32 data;
+
+ /* No need in serialization, since it is just read from MMIO. */
+ data = readl(pvt->regs + pvt_info[type].thres_base);
+
+ if (is_low)
+ data = FIELD_GET(PVT_THRES_LO_MASK, data);
+ else
+ data = FIELD_GET(PVT_THRES_HI_MASK, data);
+
+ if (type == PVT_TEMP)
+ *val = pvt_calc_poly(&poly_N_to_temp, data);
+ else
+ *val = pvt_calc_poly(&poly_N_to_volt, data);
+
+ return 0;
+}
+
+static int pvt_write_limit(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long val)
+{
+ u32 data, limit, mask;
+ int ret;
+
+ if (type == PVT_TEMP) {
+ val = clamp(val, PVT_TEMP_MIN, PVT_TEMP_MAX);
+ data = pvt_calc_poly(&poly_temp_to_N, val);
+ } else {
+ val = clamp(val, PVT_VOLT_MIN, PVT_VOLT_MAX);
+ data = pvt_calc_poly(&poly_volt_to_N, val);
+ }
+
+ /* Serialize limit update, since a part of the register is changed. */
+ ret = mutex_lock_interruptible(&pvt->iface_mtx);
+ if (ret)
+ return ret;
+
+ /* Make sure the upper and lower ranges don't intersect. */
+ limit = readl(pvt->regs + pvt_info[type].thres_base);
+ if (is_low) {
+ limit = FIELD_GET(PVT_THRES_HI_MASK, limit);
+ data = clamp_val(data, PVT_DATA_MIN, limit);
+ data = FIELD_PREP(PVT_THRES_LO_MASK, data);
+ mask = PVT_THRES_LO_MASK;
+ } else {
+ limit = FIELD_GET(PVT_THRES_LO_MASK, limit);
+ data = clamp_val(data, limit, PVT_DATA_MAX);
+ data = FIELD_PREP(PVT_THRES_HI_MASK, data);
+ mask = PVT_THRES_HI_MASK;
+ }
+
+ pvt_update(pvt->regs + pvt_info[type].thres_base, mask, data);
+
+ mutex_unlock(&pvt->iface_mtx);
+
+ return 0;
+}
+
+static int pvt_read_alarm(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long *val)
+{
+ if (is_low)
+ *val = !!READ_ONCE(pvt->cache[type].thres_sts_lo);
+ else
+ *val = !!READ_ONCE(pvt->cache[type].thres_sts_hi);
+
+ return 0;
+}
+
+static const struct hwmon_channel_info *pvt_channel_info[] = {
+ HWMON_CHANNEL_INFO(chip,
+ HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL),
+ HWMON_CHANNEL_INFO(temp,
+ HWMON_T_INPUT | HWMON_T_TYPE | HWMON_T_LABEL |
+ HWMON_T_MIN | HWMON_T_MIN_ALARM |
+ HWMON_T_MAX | HWMON_T_MAX_ALARM |
+ HWMON_T_OFFSET),
+ HWMON_CHANNEL_INFO(in,
+ HWMON_I_INPUT | HWMON_I_LABEL |
+ HWMON_I_MIN | HWMON_I_MIN_ALARM |
+ HWMON_I_MAX | HWMON_I_MAX_ALARM,
+ HWMON_I_INPUT | HWMON_I_LABEL |
+ HWMON_I_MIN | HWMON_I_MIN_ALARM |
+ HWMON_I_MAX | HWMON_I_MAX_ALARM,
+ HWMON_I_INPUT | HWMON_I_LABEL |
+ HWMON_I_MIN | HWMON_I_MIN_ALARM |
+ HWMON_I_MAX | HWMON_I_MAX_ALARM,
+ HWMON_I_INPUT | HWMON_I_LABEL |
+ HWMON_I_MIN | HWMON_I_MIN_ALARM |
+ HWMON_I_MAX | HWMON_I_MAX_ALARM),
+ NULL
+};
+
+#else /* !CONFIG_SENSORS_BT1_PVT_ALARMS */
+
+static irqreturn_t pvt_hard_isr(int irq, void *data)
+{
+ struct pvt_hwmon *pvt = data;
+ struct pvt_cache *cache;
+ u32 val;
+
+ /*
+ * Mask the DVALID interrupt so after exiting from the handler a
+ * repeated conversion wouldn't happen.
+ */
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID,
+ PVT_INTR_DVALID);
+
+ /*
+ * Nothing special for alarm-less driver. Just read the data, update
+ * the cache and notify a waiter of this event.
+ */
+ val = readl(pvt->regs + PVT_DATA);
+ if (!(val & PVT_DATA_VALID)) {
+ dev_err(pvt->dev, "Got IRQ when data isn't valid\n");
+ return IRQ_HANDLED;
+ }
+
+ cache = &pvt->cache[pvt->sensor];
+
+ WRITE_ONCE(cache->data, FIELD_GET(PVT_DATA_DATA_MASK, val));
+
+ complete(&cache->conversion);
+
+ return IRQ_HANDLED;
+}
+
+#define pvt_soft_isr NULL
+
+inline umode_t pvt_limit_is_visible(enum pvt_sensor_type type)
+{
+ return 0;
+}
+
+inline umode_t pvt_alarm_is_visible(enum pvt_sensor_type type)
+{
+ return 0;
+}
+
+static int pvt_read_data(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ long *val)
+{
+ struct pvt_cache *cache = &pvt->cache[type];
+ u32 data;
+ int ret;
+
+ /*
+ * Lock PVT conversion interface until data cache is updated. The
+ * data read procedure is following: set the requested PVT sensor
+ * mode, enable IRQ and conversion, wait until conversion is finished,
+ * then disable conversion and IRQ, and read the cached data.
+ */
+ ret = mutex_lock_interruptible(&pvt->iface_mtx);
+ if (ret)
+ return ret;
+
+ pvt->sensor = type;
+ pvt_set_mode(pvt, pvt_info[type].mode);
+
+ /*
+ * Unmask the DVALID interrupt and enable the sensors conversions.
+ * Do the reverse procedure when conversion is done.
+ */
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID, 0);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, PVT_CTRL_EN);
+
+ wait_for_completion(&cache->conversion);
+
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID,
+ PVT_INTR_DVALID);
+
+ data = READ_ONCE(cache->data);
+
+ mutex_unlock(&pvt->iface_mtx);
+
+ if (type == PVT_TEMP)
+ *val = pvt_calc_poly(&poly_N_to_temp, data);
+ else
+ *val = pvt_calc_poly(&poly_N_to_volt, data);
+
+ return 0;
+}
+
+static int pvt_read_limit(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long *val)
+{
+ return -EOPNOTSUPP;
+}
+
+static int pvt_write_limit(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long val)
+{
+ return -EOPNOTSUPP;
+}
+
+static int pvt_read_alarm(struct pvt_hwmon *pvt, enum pvt_sensor_type type,
+ bool is_low, long *val)
+{
+ return -EOPNOTSUPP;
+}
+
+static const struct hwmon_channel_info *pvt_channel_info[] = {
+ HWMON_CHANNEL_INFO(chip,
+ HWMON_C_REGISTER_TZ | HWMON_C_UPDATE_INTERVAL),
+ HWMON_CHANNEL_INFO(temp,
+ HWMON_T_INPUT | HWMON_T_TYPE | HWMON_T_LABEL |
+ HWMON_T_OFFSET),
+ HWMON_CHANNEL_INFO(in,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_LABEL),
+ NULL
+};
+
+#endif /* !CONFIG_SENSORS_BT1_PVT_ALARMS */
+
+static inline bool pvt_hwmon_channel_is_valid(enum hwmon_sensor_types type,
+ int ch)
+{
+ switch (type) {
+ case hwmon_temp:
+ if (ch < 0 || ch >= PVT_TEMP_CHS)
+ return false;
+ break;
+ case hwmon_in:
+ if (ch < 0 || ch >= PVT_VOLT_CHS)
+ return false;
+ break;
+ default:
+ break;
+ }
+
+ /* The rest of the types are independent from the channel number. */
+ return true;
+}
+
+static umode_t pvt_hwmon_is_visible(const void *data,
+ enum hwmon_sensor_types type,
+ u32 attr, int ch)
+{
+ if (!pvt_hwmon_channel_is_valid(type, ch))
+ return 0;
+
+ switch (type) {
+ case hwmon_chip:
+ switch (attr) {
+ case hwmon_chip_update_interval:
+ return 0644;
+ }
+ break;
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_input:
+ case hwmon_temp_type:
+ case hwmon_temp_label:
+ return 0444;
+ case hwmon_temp_min:
+ case hwmon_temp_max:
+ return pvt_limit_is_visible(ch);
+ case hwmon_temp_min_alarm:
+ case hwmon_temp_max_alarm:
+ return pvt_alarm_is_visible(ch);
+ case hwmon_temp_offset:
+ return 0644;
+ }
+ break;
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_input:
+ case hwmon_in_label:
+ return 0444;
+ case hwmon_in_min:
+ case hwmon_in_max:
+ return pvt_limit_is_visible(PVT_VOLT + ch);
+ case hwmon_in_min_alarm:
+ case hwmon_in_max_alarm:
+ return pvt_alarm_is_visible(PVT_VOLT + ch);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static int pvt_read_trim(struct pvt_hwmon *pvt, long *val)
+{
+ u32 data;
+
+ data = readl(pvt->regs + PVT_CTRL);
+ *val = FIELD_GET(PVT_CTRL_TRIM_MASK, data) * PVT_TRIM_STEP;
+
+ return 0;
+}
+
+static int pvt_write_trim(struct pvt_hwmon *pvt, long val)
+{
+ u32 trim;
+ int ret;
+
+ /*
+ * Serialize trim update, since a part of the register is changed and
+ * the controller is supposed to be disabled during this operation.
+ */
+ ret = mutex_lock_interruptible(&pvt->iface_mtx);
+ if (ret)
+ return ret;
+
+ trim = pvt_calc_trim(val);
+ pvt_set_trim(pvt, trim);
+
+ mutex_unlock(&pvt->iface_mtx);
+
+ return 0;
+}
+
+static int pvt_read_timeout(struct pvt_hwmon *pvt, long *val)
+{
+ unsigned long rate;
+ ktime_t kt;
+ u32 data;
+
+ rate = clk_get_rate(pvt->clks[PVT_CLOCK_REF].clk);
+ if (!rate)
+ return -ENODEV;
+
+ /*
+ * Don't bother with mutex here, since we just read data from MMIO.
+ * We also have to scale the ticks timeout up to compensate the
+ * ms-ns-data translations.
+ */
+ data = readl(pvt->regs + PVT_TTIMEOUT) + 1;
+
+ /*
+ * Calculate ref-clock based delay (Ttotal) between two consecutive
+ * data samples of the same sensor. So we first must calculate the
+ * delay introduced by the internal ref-clock timer (Tref * Fclk).
+ * Then add the constant timeout cuased by each conversion latency
+ * (Tmin). The basic formulae for each conversion is following:
+ * Ttotal = Tref * Fclk + Tmin
+ * Note if alarms are enabled the sensors are polled one after
+ * another, so in order to have the delay being applicable for each
+ * sensor the requested value must be equally redistirbuted.
+ */
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ kt = ktime_set(PVT_SENSORS_NUM * (u64)data, 0);
+ kt = ktime_divns(kt, rate);
+ kt = ktime_add_ns(kt, PVT_SENSORS_NUM * PVT_TOUT_MIN);
+#else
+ kt = ktime_set(data, 0);
+ kt = ktime_divns(kt, rate);
+ kt = ktime_add_ns(kt, PVT_TOUT_MIN);
+#endif
+
+ /* Return the result in msec as hwmon sysfs interface requires. */
+ *val = ktime_to_ms(kt);
+
+ return 0;
+}
+
+static int pvt_write_timeout(struct pvt_hwmon *pvt, long val)
+{
+ unsigned long rate;
+ ktime_t kt;
+ u32 data;
+ int ret;
+
+ rate = clk_get_rate(pvt->clks[PVT_CLOCK_REF].clk);
+ if (!rate)
+ return -ENODEV;
+
+ /*
+ * If alarms are enabled, the requested timeout must be divided
+ * between all available sensors to have the requested delay
+ * applicable to each individual sensor.
+ */
+ kt = ms_to_ktime(val);
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ kt = ktime_divns(kt, PVT_SENSORS_NUM);
+#endif
+
+ /*
+ * Subtract a constant lag, which always persists due to the limited
+ * PVT sampling rate. Make sure the timeout is not negative.
+ */
+ kt = ktime_sub_ns(kt, PVT_TOUT_MIN);
+ if (ktime_to_ns(kt) < 0)
+ kt = ktime_set(0, 0);
+
+ /*
+ * Finally recalculate the timeout in terms of the reference clock
+ * period.
+ */
+ data = ktime_divns(kt * rate, NSEC_PER_SEC);
+
+ /*
+ * Update the measurements delay, but lock the interface first, since
+ * we have to disable PVT in order to have the new delay actually
+ * updated.
+ */
+ ret = mutex_lock_interruptible(&pvt->iface_mtx);
+ if (ret)
+ return ret;
+
+ pvt_set_tout(pvt, data);
+
+ mutex_unlock(&pvt->iface_mtx);
+
+ return 0;
+}
+
+static int pvt_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int ch, long *val)
+{
+ struct pvt_hwmon *pvt = dev_get_drvdata(dev);
+
+ if (!pvt_hwmon_channel_is_valid(type, ch))
+ return -EINVAL;
+
+ switch (type) {
+ case hwmon_chip:
+ switch (attr) {
+ case hwmon_chip_update_interval:
+ return pvt_read_timeout(pvt, val);
+ }
+ break;
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_input:
+ return pvt_read_data(pvt, ch, val);
+ case hwmon_temp_type:
+ *val = 1;
+ return 0;
+ case hwmon_temp_min:
+ return pvt_read_limit(pvt, ch, true, val);
+ case hwmon_temp_max:
+ return pvt_read_limit(pvt, ch, false, val);
+ case hwmon_temp_min_alarm:
+ return pvt_read_alarm(pvt, ch, true, val);
+ case hwmon_temp_max_alarm:
+ return pvt_read_alarm(pvt, ch, false, val);
+ case hwmon_temp_offset:
+ return pvt_read_trim(pvt, val);
+ }
+ break;
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_input:
+ return pvt_read_data(pvt, PVT_VOLT + ch, val);
+ case hwmon_in_min:
+ return pvt_read_limit(pvt, PVT_VOLT + ch, true, val);
+ case hwmon_in_max:
+ return pvt_read_limit(pvt, PVT_VOLT + ch, false, val);
+ case hwmon_in_min_alarm:
+ return pvt_read_alarm(pvt, PVT_VOLT + ch, true, val);
+ case hwmon_in_max_alarm:
+ return pvt_read_alarm(pvt, PVT_VOLT + ch, false, val);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static int pvt_hwmon_read_string(struct device *dev,
+ enum hwmon_sensor_types type,
+ u32 attr, int ch, const char **str)
+{
+ if (!pvt_hwmon_channel_is_valid(type, ch))
+ return -EINVAL;
+
+ switch (type) {
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_label:
+ *str = pvt_info[ch].label;
+ return 0;
+ }
+ break;
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_label:
+ *str = pvt_info[PVT_VOLT + ch].label;
+ return 0;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static int pvt_hwmon_write(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int ch, long val)
+{
+ struct pvt_hwmon *pvt = dev_get_drvdata(dev);
+
+ if (!pvt_hwmon_channel_is_valid(type, ch))
+ return -EINVAL;
+
+ switch (type) {
+ case hwmon_chip:
+ switch (attr) {
+ case hwmon_chip_update_interval:
+ return pvt_write_timeout(pvt, val);
+ }
+ break;
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_min:
+ return pvt_write_limit(pvt, ch, true, val);
+ case hwmon_temp_max:
+ return pvt_write_limit(pvt, ch, false, val);
+ case hwmon_temp_offset:
+ return pvt_write_trim(pvt, val);
+ }
+ break;
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_min:
+ return pvt_write_limit(pvt, PVT_VOLT + ch, true, val);
+ case hwmon_in_max:
+ return pvt_write_limit(pvt, PVT_VOLT + ch, false, val);
+ }
+ break;
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static const struct hwmon_ops pvt_hwmon_ops = {
+ .is_visible = pvt_hwmon_is_visible,
+ .read = pvt_hwmon_read,
+ .read_string = pvt_hwmon_read_string,
+ .write = pvt_hwmon_write
+};
+
+static const struct hwmon_chip_info pvt_hwmon_info = {
+ .ops = &pvt_hwmon_ops,
+ .info = pvt_channel_info
+};
+
+static void pvt_clear_data(void *data)
+{
+ struct pvt_hwmon *pvt = data;
+#if !defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ int idx;
+
+ for (idx = 0; idx < PVT_SENSORS_NUM; ++idx)
+ complete_all(&pvt->cache[idx].conversion);
+#endif
+
+ mutex_destroy(&pvt->iface_mtx);
+}
+
+static struct pvt_hwmon *pvt_create_data(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct pvt_hwmon *pvt;
+ int ret, idx;
+
+ pvt = devm_kzalloc(dev, sizeof(*pvt), GFP_KERNEL);
+ if (!pvt)
+ return ERR_PTR(-ENOMEM);
+
+ ret = devm_add_action(dev, pvt_clear_data, pvt);
+ if (ret) {
+ dev_err(dev, "Can't add PVT data clear action\n");
+ return ERR_PTR(ret);
+ }
+
+ pvt->dev = dev;
+ pvt->sensor = PVT_SENSOR_FIRST;
+ mutex_init(&pvt->iface_mtx);
+
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ for (idx = 0; idx < PVT_SENSORS_NUM; ++idx)
+ seqlock_init(&pvt->cache[idx].data_seqlock);
+#else
+ for (idx = 0; idx < PVT_SENSORS_NUM; ++idx)
+ init_completion(&pvt->cache[idx].conversion);
+#endif
+
+ return pvt;
+}
+
+static int pvt_request_regs(struct pvt_hwmon *pvt)
+{
+ struct platform_device *pdev = to_platform_device(pvt->dev);
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(pvt->dev, "Couldn't find PVT memresource\n");
+ return -EINVAL;
+ }
+
+ pvt->regs = devm_ioremap_resource(pvt->dev, res);
+ if (IS_ERR(pvt->regs)) {
+ dev_err(pvt->dev, "Couldn't map PVT registers\n");
+ return PTR_ERR(pvt->regs);
+ }
+
+ return 0;
+}
+
+static void pvt_disable_clks(void *data)
+{
+ struct pvt_hwmon *pvt = data;
+
+ clk_bulk_disable_unprepare(PVT_CLOCK_NUM, pvt->clks);
+}
+
+static int pvt_request_clks(struct pvt_hwmon *pvt)
+{
+ int ret;
+
+ pvt->clks[PVT_CLOCK_APB].id = "pclk";
+ pvt->clks[PVT_CLOCK_REF].id = "ref";
+
+ ret = devm_clk_bulk_get(pvt->dev, PVT_CLOCK_NUM, pvt->clks);
+ if (ret) {
+ dev_err(pvt->dev, "Couldn't get PVT clocks descriptors\n");
+ return ret;
+ }
+
+ ret = clk_bulk_prepare_enable(PVT_CLOCK_NUM, pvt->clks);
+ if (ret) {
+ dev_err(pvt->dev, "Couldn't enable the PVT clocks\n");
+ return ret;
+ }
+
+ ret = devm_add_action_or_reset(pvt->dev, pvt_disable_clks, pvt);
+ if (ret) {
+ dev_err(pvt->dev, "Can't add PVT clocks disable action\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void pvt_init_iface(struct pvt_hwmon *pvt)
+{
+ u32 trim, temp;
+
+ /*
+ * Make sure all interrupts and controller are disabled so not to
+ * accidentally have ISR executed before the driver data is fully
+ * initialized. Clear the IRQ status as well.
+ */
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_ALL, PVT_INTR_ALL);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ readl(pvt->regs + PVT_CLR_INTR);
+ readl(pvt->regs + PVT_DATA);
+
+ /* Setup default sensor mode, timeout and temperature trim. */
+ pvt_set_mode(pvt, pvt_info[pvt->sensor].mode);
+ pvt_set_tout(pvt, PVT_TOUT_DEF);
+
+ trim = PVT_TRIM_DEF;
+ if (!of_property_read_u32(pvt->dev->of_node,
+ "baikal,pvt-temp-offset-millicelsius", &temp))
+ trim = pvt_calc_trim(temp);
+
+ pvt_set_trim(pvt, trim);
+}
+
+static int pvt_request_irq(struct pvt_hwmon *pvt)
+{
+ struct platform_device *pdev = to_platform_device(pvt->dev);
+ int ret;
+
+ pvt->irq = platform_get_irq(pdev, 0);
+ if (pvt->irq < 0)
+ return pvt->irq;
+
+ ret = devm_request_threaded_irq(pvt->dev, pvt->irq,
+ pvt_hard_isr, pvt_soft_isr,
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ IRQF_SHARED | IRQF_TRIGGER_HIGH |
+ IRQF_ONESHOT,
+#else
+ IRQF_SHARED | IRQF_TRIGGER_HIGH,
+#endif
+ "pvt", pvt);
+ if (ret) {
+ dev_err(pvt->dev, "Couldn't request PVT IRQ\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static int pvt_create_hwmon(struct pvt_hwmon *pvt)
+{
+ pvt->hwmon = devm_hwmon_device_register_with_info(pvt->dev, "pvt", pvt,
+ &pvt_hwmon_info, NULL);
+ if (IS_ERR(pvt->hwmon)) {
+ dev_err(pvt->dev, "Couldn't create hwmon device\n");
+ return PTR_ERR(pvt->hwmon);
+ }
+
+ return 0;
+}
+
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+
+static void pvt_disable_iface(void *data)
+{
+ struct pvt_hwmon *pvt = data;
+
+ mutex_lock(&pvt->iface_mtx);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, 0);
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID,
+ PVT_INTR_DVALID);
+ mutex_unlock(&pvt->iface_mtx);
+}
+
+static int pvt_enable_iface(struct pvt_hwmon *pvt)
+{
+ int ret;
+
+ ret = devm_add_action(pvt->dev, pvt_disable_iface, pvt);
+ if (ret) {
+ dev_err(pvt->dev, "Can't add PVT disable interface action\n");
+ return ret;
+ }
+
+ /*
+ * Enable sensors data conversion and IRQ. We need to lock the
+ * interface mutex since hwmon has just been created and the
+ * corresponding sysfs files are accessible from user-space,
+ * which theoretically may cause races.
+ */
+ mutex_lock(&pvt->iface_mtx);
+ pvt_update(pvt->regs + PVT_INTR_MASK, PVT_INTR_DVALID, 0);
+ pvt_update(pvt->regs + PVT_CTRL, PVT_CTRL_EN, PVT_CTRL_EN);
+ mutex_unlock(&pvt->iface_mtx);
+
+ return 0;
+}
+
+#else /* !CONFIG_SENSORS_BT1_PVT_ALARMS */
+
+static int pvt_enable_iface(struct pvt_hwmon *pvt)
+{
+ return 0;
+}
+
+#endif /* !CONFIG_SENSORS_BT1_PVT_ALARMS */
+
+static int pvt_probe(struct platform_device *pdev)
+{
+ struct pvt_hwmon *pvt;
+ int ret;
+
+ pvt = pvt_create_data(pdev);
+ if (IS_ERR(pvt))
+ return PTR_ERR(pvt);
+
+ ret = pvt_request_regs(pvt);
+ if (ret)
+ return ret;
+
+ ret = pvt_request_clks(pvt);
+ if (ret)
+ return ret;
+
+ pvt_init_iface(pvt);
+
+ ret = pvt_request_irq(pvt);
+ if (ret)
+ return ret;
+
+ ret = pvt_create_hwmon(pvt);
+ if (ret)
+ return ret;
+
+ ret = pvt_enable_iface(pvt);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct of_device_id pvt_of_match[] = {
+ { .compatible = "baikal,bt1-pvt" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pvt_of_match);
+
+static struct platform_driver pvt_driver = {
+ .probe = pvt_probe,
+ .driver = {
+ .name = "bt1-pvt",
+ .of_match_table = pvt_of_match
+ }
+};
+module_platform_driver(pvt_driver);
+
+MODULE_AUTHOR("Maxim Kaurkin <maxim.kaurkin@baikalelectronics.ru>");
+MODULE_DESCRIPTION("Baikal-T1 PVT driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwmon/bt1-pvt.h b/drivers/hwmon/bt1-pvt.h
new file mode 100644
index 000000000000..5eac73e94885
--- /dev/null
+++ b/drivers/hwmon/bt1-pvt.h
@@ -0,0 +1,244 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2020 BAIKAL ELECTRONICS, JSC
+ *
+ * Baikal-T1 Process, Voltage, Temperature sensor driver
+ */
+#ifndef __HWMON_BT1_PVT_H__
+#define __HWMON_BT1_PVT_H__
+
+#include <linux/completion.h>
+#include <linux/hwmon.h>
+#include <linux/kernel.h>
+#include <linux/mutex.h>
+#include <linux/seqlock.h>
+
+/* Baikal-T1 PVT registers and their bitfields */
+#define PVT_CTRL 0x00
+#define PVT_CTRL_EN BIT(0)
+#define PVT_CTRL_MODE_FLD 1
+#define PVT_CTRL_MODE_MASK GENMASK(3, PVT_CTRL_MODE_FLD)
+#define PVT_CTRL_MODE_TEMP 0x0
+#define PVT_CTRL_MODE_VOLT 0x1
+#define PVT_CTRL_MODE_LVT 0x2
+#define PVT_CTRL_MODE_HVT 0x4
+#define PVT_CTRL_MODE_SVT 0x6
+#define PVT_CTRL_TRIM_FLD 4
+#define PVT_CTRL_TRIM_MASK GENMASK(8, PVT_CTRL_TRIM_FLD)
+#define PVT_DATA 0x04
+#define PVT_DATA_VALID BIT(10)
+#define PVT_DATA_DATA_FLD 0
+#define PVT_DATA_DATA_MASK GENMASK(9, PVT_DATA_DATA_FLD)
+#define PVT_TTHRES 0x08
+#define PVT_VTHRES 0x0C
+#define PVT_LTHRES 0x10
+#define PVT_HTHRES 0x14
+#define PVT_STHRES 0x18
+#define PVT_THRES_LO_FLD 0
+#define PVT_THRES_LO_MASK GENMASK(9, PVT_THRES_LO_FLD)
+#define PVT_THRES_HI_FLD 10
+#define PVT_THRES_HI_MASK GENMASK(19, PVT_THRES_HI_FLD)
+#define PVT_TTIMEOUT 0x1C
+#define PVT_INTR_STAT 0x20
+#define PVT_INTR_MASK 0x24
+#define PVT_RAW_INTR_STAT 0x28
+#define PVT_INTR_DVALID BIT(0)
+#define PVT_INTR_TTHRES_LO BIT(1)
+#define PVT_INTR_TTHRES_HI BIT(2)
+#define PVT_INTR_VTHRES_LO BIT(3)
+#define PVT_INTR_VTHRES_HI BIT(4)
+#define PVT_INTR_LTHRES_LO BIT(5)
+#define PVT_INTR_LTHRES_HI BIT(6)
+#define PVT_INTR_HTHRES_LO BIT(7)
+#define PVT_INTR_HTHRES_HI BIT(8)
+#define PVT_INTR_STHRES_LO BIT(9)
+#define PVT_INTR_STHRES_HI BIT(10)
+#define PVT_INTR_ALL GENMASK(10, 0)
+#define PVT_CLR_INTR 0x2C
+
+/*
+ * PVT sensors-related limits and default values
+ * @PVT_TEMP_MIN: Minimal temperature in millidegrees of Celsius.
+ * @PVT_TEMP_MAX: Maximal temperature in millidegrees of Celsius.
+ * @PVT_TEMP_CHS: Number of temperature hwmon channels.
+ * @PVT_VOLT_MIN: Minimal voltage in mV.
+ * @PVT_VOLT_MAX: Maximal voltage in mV.
+ * @PVT_VOLT_CHS: Number of voltage hwmon channels.
+ * @PVT_DATA_MIN: Minimal PVT raw data value.
+ * @PVT_DATA_MAX: Maximal PVT raw data value.
+ * @PVT_TRIM_MIN: Minimal temperature sensor trim value.
+ * @PVT_TRIM_MAX: Maximal temperature sensor trim value.
+ * @PVT_TRIM_DEF: Default temperature sensor trim value (set a proper value
+ * when one is determined for Baikal-T1 SoC).
+ * @PVT_TRIM_TEMP: Maximum temperature encoded by the trim factor.
+ * @PVT_TRIM_STEP: Temperature stride corresponding to the trim value.
+ * @PVT_TOUT_MIN: Minimal timeout between samples in nanoseconds.
+ * @PVT_TOUT_DEF: Default data measurements timeout. In case if alarms are
+ * activated the PVT IRQ is enabled to be raised after each
+ * conversion in order to have the thresholds checked and the
+ * converted value cached. Too frequent conversions may cause
+ * the system CPU overload. Lets set the 50ms delay between
+ * them by default to prevent this.
+ */
+#define PVT_TEMP_MIN -48380L
+#define PVT_TEMP_MAX 147438L
+#define PVT_TEMP_CHS 1
+#define PVT_VOLT_MIN 620L
+#define PVT_VOLT_MAX 1168L
+#define PVT_VOLT_CHS 4
+#define PVT_DATA_MIN 0
+#define PVT_DATA_MAX (PVT_DATA_DATA_MASK >> PVT_DATA_DATA_FLD)
+#define PVT_TRIM_MIN 0
+#define PVT_TRIM_MAX (PVT_CTRL_TRIM_MASK >> PVT_CTRL_TRIM_FLD)
+#define PVT_TRIM_TEMP 7130
+#define PVT_TRIM_STEP (PVT_TRIM_TEMP / PVT_TRIM_MAX)
+#define PVT_TRIM_DEF 0
+#define PVT_TOUT_MIN (NSEC_PER_SEC / 3000)
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+# define PVT_TOUT_DEF 60000
+#else
+# define PVT_TOUT_DEF 0
+#endif
+
+/*
+ * enum pvt_sensor_type - Baikal-T1 PVT sensor types (correspond to each PVT
+ * sampling mode)
+ * @PVT_SENSOR*: helpers to traverse the sensors in loops.
+ * @PVT_TEMP: PVT Temperature sensor.
+ * @PVT_VOLT: PVT Voltage sensor.
+ * @PVT_LVT: PVT Low-Voltage threshold sensor.
+ * @PVT_HVT: PVT High-Voltage threshold sensor.
+ * @PVT_SVT: PVT Standard-Voltage threshold sensor.
+ */
+enum pvt_sensor_type {
+ PVT_SENSOR_FIRST,
+ PVT_TEMP = PVT_SENSOR_FIRST,
+ PVT_VOLT,
+ PVT_LVT,
+ PVT_HVT,
+ PVT_SVT,
+ PVT_SENSOR_LAST = PVT_SVT,
+ PVT_SENSORS_NUM
+};
+
+/*
+ * enum pvt_clock_type - Baikal-T1 PVT clocks.
+ * @PVT_CLOCK_APB: APB clock.
+ * @PVT_CLOCK_REF: PVT reference clock.
+ */
+enum pvt_clock_type {
+ PVT_CLOCK_APB,
+ PVT_CLOCK_REF,
+ PVT_CLOCK_NUM
+};
+
+/*
+ * struct pvt_sensor_info - Baikal-T1 PVT sensor informational structure
+ * @channel: Sensor channel ID.
+ * @label: hwmon sensor label.
+ * @mode: PVT mode corresponding to the channel.
+ * @thres_base: upper and lower threshold values of the sensor.
+ * @thres_sts_lo: low threshold status bitfield.
+ * @thres_sts_hi: high threshold status bitfield.
+ * @type: Sensor type.
+ * @attr_min_alarm: Min alarm attribute ID.
+ * @attr_min_alarm: Max alarm attribute ID.
+ */
+struct pvt_sensor_info {
+ int channel;
+ const char *label;
+ u32 mode;
+ unsigned long thres_base;
+ u32 thres_sts_lo;
+ u32 thres_sts_hi;
+ enum hwmon_sensor_types type;
+ u32 attr_min_alarm;
+ u32 attr_max_alarm;
+};
+
+#define PVT_SENSOR_INFO(_ch, _label, _type, _mode, _thres) \
+ { \
+ .channel = _ch, \
+ .label = _label, \
+ .mode = PVT_CTRL_MODE_ ##_mode, \
+ .thres_base = PVT_ ##_thres, \
+ .thres_sts_lo = PVT_INTR_ ##_thres## _LO, \
+ .thres_sts_hi = PVT_INTR_ ##_thres## _HI, \
+ .type = _type, \
+ .attr_min_alarm = _type## _min, \
+ .attr_max_alarm = _type## _max, \
+ }
+
+/*
+ * struct pvt_cache - PVT sensors data cache
+ * @data: data cache in raw format.
+ * @thres_sts_lo: low threshold status saved on the previous data conversion.
+ * @thres_sts_hi: high threshold status saved on the previous data conversion.
+ * @data_seqlock: cached data seq-lock.
+ * @conversion: data conversion completion.
+ */
+struct pvt_cache {
+ u32 data;
+#if defined(CONFIG_SENSORS_BT1_PVT_ALARMS)
+ seqlock_t data_seqlock;
+ u32 thres_sts_lo;
+ u32 thres_sts_hi;
+#else
+ struct completion conversion;
+#endif
+};
+
+/*
+ * struct pvt_hwmon - Baikal-T1 PVT private data
+ * @dev: device structure of the PVT platform device.
+ * @hwmon: hwmon device structure.
+ * @regs: pointer to the Baikal-T1 PVT registers region.
+ * @irq: PVT events IRQ number.
+ * @clks: Array of the PVT clocks descriptor (APB/ref clocks).
+ * @ref_clk: Pointer to the reference clocks descriptor.
+ * @iface_mtx: Generic interface mutex (used to lock the alarm registers
+ * when the alarms enabled, or the data conversion interface
+ * if alarms are disabled).
+ * @sensor: current PVT sensor the data conversion is being performed for.
+ * @cache: data cache descriptor.
+ */
+struct pvt_hwmon {
+ struct device *dev;
+ struct device *hwmon;
+
+ void __iomem *regs;
+ int irq;
+
+ struct clk_bulk_data clks[PVT_CLOCK_NUM];
+
+ struct mutex iface_mtx;
+ enum pvt_sensor_type sensor;
+ struct pvt_cache cache[PVT_SENSORS_NUM];
+};
+
+/*
+ * struct pvt_poly_term - a term descriptor of the PVT data translation
+ * polynomial
+ * @deg: degree of the term.
+ * @coef: multiplication factor of the term.
+ * @divider: distributed divider per each degree.
+ * @divider_leftover: divider leftover, which couldn't be redistributed.
+ */
+struct pvt_poly_term {
+ unsigned int deg;
+ long coef;
+ long divider;
+ long divider_leftover;
+};
+
+/*
+ * struct pvt_poly - PVT data translation polynomial descriptor
+ * @total_divider: total data divider.
+ * @terms: polynomial terms up to a free one.
+ */
+struct pvt_poly {
+ long total_divider;
+ struct pvt_poly_term terms[];
+};
+
+#endif /* __HWMON_BT1_PVT_H__ */
diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index 53b517dbe7e6..4af2fc309c28 100644
--- a/drivers/hwmon/da9052-hwmon.c
+++ b/drivers/hwmon/da9052-hwmon.c
@@ -244,9 +244,9 @@ static ssize_t da9052_tsi_show(struct device *dev,
int channel = to_sensor_dev_attr(devattr)->index;
int ret;
- mutex_lock(&hwmon->hwmon_lock);
+ mutex_lock(&hwmon->da9052->auxadc_lock);
ret = __da9052_read_tsi(dev, channel);
- mutex_unlock(&hwmon->hwmon_lock);
+ mutex_unlock(&hwmon->da9052->auxadc_lock);
if (ret < 0)
return ret;
diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
index ab719d372b0d..16be012a95ed 100644
--- a/drivers/hwmon/dell-smm-hwmon.c
+++ b/drivers/hwmon/dell-smm-hwmon.c
@@ -1073,13 +1073,6 @@ static const struct dmi_system_id i8k_dmi_table[] __initconst = {
},
},
{
- .ident = "Dell XPS421",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "XPS L421X"),
- },
- },
- {
.ident = "Dell Studio",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
@@ -1088,14 +1081,6 @@ static const struct dmi_system_id i8k_dmi_table[] __initconst = {
.driver_data = (void *)&i8k_config_data[DELL_STUDIO],
},
{
- .ident = "Dell XPS 13",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "XPS13"),
- },
- .driver_data = (void *)&i8k_config_data[DELL_XPS],
- },
- {
.ident = "Dell XPS M140",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
@@ -1104,17 +1089,10 @@ static const struct dmi_system_id i8k_dmi_table[] __initconst = {
.driver_data = (void *)&i8k_config_data[DELL_XPS],
},
{
- .ident = "Dell XPS 15 9560",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "XPS 15 9560"),
- },
- },
- {
- .ident = "Dell XPS 15 9570",
+ .ident = "Dell XPS",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "XPS 15 9570"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS"),
},
},
{ }
diff --git a/drivers/hwmon/drivetemp.c b/drivers/hwmon/drivetemp.c
index 9179460c2d9d..0d4f3d97ffc6 100644
--- a/drivers/hwmon/drivetemp.c
+++ b/drivers/hwmon/drivetemp.c
@@ -346,7 +346,7 @@ static int drivetemp_identify_sata(struct drivetemp_data *st)
st->have_temp_highest = temp_is_valid(buf[SCT_STATUS_TEMP_HIGHEST]);
if (!have_sct_data_table)
- goto skip_sct;
+ goto skip_sct_data;
/* Request and read temperature history table */
memset(buf, '\0', sizeof(st->smartdata));
diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
new file mode 100644
index 000000000000..2137bc65829d
--- /dev/null
+++ b/drivers/hwmon/gsc-hwmon.c
@@ -0,0 +1,390 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for Gateworks System Controller Hardware Monitor module
+ *
+ * Copyright (C) 2020 Gateworks Corporation
+ */
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/mfd/gsc.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <linux/platform_data/gsc_hwmon.h>
+
+#define GSC_HWMON_MAX_TEMP_CH 16
+#define GSC_HWMON_MAX_IN_CH 16
+
+#define GSC_HWMON_RESOLUTION 12
+#define GSC_HWMON_VREF 2500
+
+struct gsc_hwmon_data {
+ struct gsc_dev *gsc;
+ struct gsc_hwmon_platform_data *pdata;
+ struct regmap *regmap;
+ const struct gsc_hwmon_channel *temp_ch[GSC_HWMON_MAX_TEMP_CH];
+ const struct gsc_hwmon_channel *in_ch[GSC_HWMON_MAX_IN_CH];
+ u32 temp_config[GSC_HWMON_MAX_TEMP_CH + 1];
+ u32 in_config[GSC_HWMON_MAX_IN_CH + 1];
+ struct hwmon_channel_info temp_info;
+ struct hwmon_channel_info in_info;
+ const struct hwmon_channel_info *info[3];
+ struct hwmon_chip_info chip;
+};
+
+static struct regmap_bus gsc_hwmon_regmap_bus = {
+ .reg_read = gsc_read,
+ .reg_write = gsc_write,
+};
+
+static const struct regmap_config gsc_hwmon_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .cache_type = REGCACHE_NONE,
+};
+
+static ssize_t pwm_auto_point_temp_show(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct gsc_hwmon_data *hwmon = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ u8 reg = hwmon->pdata->fan_base + (2 * attr->index);
+ u8 regs[2];
+ int ret;
+
+ ret = regmap_bulk_read(hwmon->regmap, reg, regs, 2);
+ if (ret)
+ return ret;
+
+ ret = regs[0] | regs[1] << 8;
+ return sprintf(buf, "%d\n", ret * 10);
+}
+
+static ssize_t pwm_auto_point_temp_store(struct device *dev,
+ struct device_attribute *devattr,
+ const char *buf, size_t count)
+{
+ struct gsc_hwmon_data *hwmon = dev_get_drvdata(dev);
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+ u8 reg = hwmon->pdata->fan_base + (2 * attr->index);
+ u8 regs[2];
+ long temp;
+ int err;
+
+ if (kstrtol(buf, 10, &temp))
+ return -EINVAL;
+
+ temp = clamp_val(temp, 0, 10000);
+ temp = DIV_ROUND_CLOSEST(temp, 10);
+
+ regs[0] = temp & 0xff;
+ regs[1] = (temp >> 8) & 0xff;
+ err = regmap_bulk_write(hwmon->regmap, reg, regs, 2);
+ if (err)
+ return err;
+
+ return count;
+}
+
+static ssize_t pwm_auto_point_pwm_show(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
+
+ return sprintf(buf, "%d\n", 255 * (50 + (attr->index * 10)) / 100);
+}
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point1_pwm, pwm_auto_point_pwm, 0);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point1_temp, pwm_auto_point_temp, 0);
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point2_pwm, pwm_auto_point_pwm, 1);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point2_temp, pwm_auto_point_temp, 1);
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point3_pwm, pwm_auto_point_pwm, 2);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point3_temp, pwm_auto_point_temp, 2);
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point4_pwm, pwm_auto_point_pwm, 3);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point4_temp, pwm_auto_point_temp, 3);
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point5_pwm, pwm_auto_point_pwm, 4);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point5_temp, pwm_auto_point_temp, 4);
+
+static SENSOR_DEVICE_ATTR_RO(pwm1_auto_point6_pwm, pwm_auto_point_pwm, 5);
+static SENSOR_DEVICE_ATTR_RW(pwm1_auto_point6_temp, pwm_auto_point_temp, 5);
+
+static struct attribute *gsc_hwmon_attributes[] = {
+ &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
+ &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
+ NULL
+};
+
+static const struct attribute_group gsc_hwmon_group = {
+ .attrs = gsc_hwmon_attributes,
+};
+__ATTRIBUTE_GROUPS(gsc_hwmon);
+
+static int
+gsc_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
+ int channel, long *val)
+{
+ struct gsc_hwmon_data *hwmon = dev_get_drvdata(dev);
+ const struct gsc_hwmon_channel *ch;
+ int sz, ret;
+ long tmp;
+ u8 buf[3];
+
+ switch (type) {
+ case hwmon_in:
+ ch = hwmon->in_ch[channel];
+ break;
+ case hwmon_temp:
+ ch = hwmon->temp_ch[channel];
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ sz = (ch->mode == mode_voltage) ? 3 : 2;
+ ret = regmap_bulk_read(hwmon->regmap, ch->reg, buf, sz);
+ if (ret)
+ return ret;
+
+ tmp = 0;
+ while (sz-- > 0)
+ tmp |= (buf[sz] << (8 * sz));
+
+ switch (ch->mode) {
+ case mode_temperature:
+ if (tmp > 0x8000)
+ tmp -= 0xffff;
+ break;
+ case mode_voltage_raw:
+ tmp = clamp_val(tmp, 0, BIT(GSC_HWMON_RESOLUTION));
+ /* scale based on ref voltage and ADC resolution */
+ tmp *= GSC_HWMON_VREF;
+ tmp >>= GSC_HWMON_RESOLUTION;
+ /* scale based on optional voltage divider */
+ if (ch->vdiv[0] && ch->vdiv[1]) {
+ tmp *= (ch->vdiv[0] + ch->vdiv[1]);
+ tmp /= ch->vdiv[1];
+ }
+ /* adjust by uV offset */
+ tmp += ch->mvoffset;
+ break;
+ case mode_voltage:
+ /* no adjustment needed */
+ break;
+ }
+
+ *val = tmp;
+
+ return 0;
+}
+
+static int
+gsc_hwmon_read_string(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, const char **buf)
+{
+ struct gsc_hwmon_data *hwmon = dev_get_drvdata(dev);
+
+ switch (type) {
+ case hwmon_in:
+ *buf = hwmon->in_ch[channel]->name;
+ break;
+ case hwmon_temp:
+ *buf = hwmon->temp_ch[channel]->name;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static umode_t
+gsc_hwmon_is_visible(const void *_data, enum hwmon_sensor_types type, u32 attr,
+ int ch)
+{
+ return 0444;
+}
+
+static const struct hwmon_ops gsc_hwmon_ops = {
+ .is_visible = gsc_hwmon_is_visible,
+ .read = gsc_hwmon_read,
+ .read_string = gsc_hwmon_read_string,
+};
+
+static struct gsc_hwmon_platform_data *
+gsc_hwmon_get_devtree_pdata(struct device *dev)
+{
+ struct gsc_hwmon_platform_data *pdata;
+ struct gsc_hwmon_channel *ch;
+ struct fwnode_handle *child;
+ struct device_node *fan;
+ int nchannels;
+
+ nchannels = device_get_child_node_count(dev);
+ if (nchannels == 0)
+ return ERR_PTR(-ENODEV);
+
+ pdata = devm_kzalloc(dev,
+ sizeof(*pdata) + nchannels * sizeof(*ch),
+ GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
+ ch = (struct gsc_hwmon_channel *)(pdata + 1);
+ pdata->channels = ch;
+ pdata->nchannels = nchannels;
+
+ /* fan controller base address */
+ fan = of_find_compatible_node(dev->parent->of_node, NULL, "gw,gsc-fan");
+ if (fan && of_property_read_u32(fan, "reg", &pdata->fan_base)) {
+ dev_err(dev, "fan node without base\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ /* allocate structures for channels and count instances of each type */
+ device_for_each_child_node(dev, child) {
+ if (fwnode_property_read_string(child, "label", &ch->name)) {
+ dev_err(dev, "channel without label\n");
+ fwnode_handle_put(child);
+ return ERR_PTR(-EINVAL);
+ }
+ if (fwnode_property_read_u32(child, "reg", &ch->reg)) {
+ dev_err(dev, "channel without reg\n");
+ fwnode_handle_put(child);
+ return ERR_PTR(-EINVAL);
+ }
+ if (fwnode_property_read_u32(child, "gw,mode", &ch->mode)) {
+ dev_err(dev, "channel without mode\n");
+ fwnode_handle_put(child);
+ return ERR_PTR(-EINVAL);
+ }
+ if (ch->mode > mode_max) {
+ dev_err(dev, "invalid channel mode\n");
+ fwnode_handle_put(child);
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!fwnode_property_read_u32(child,
+ "gw,voltage-offset-microvolt",
+ &ch->mvoffset))
+ ch->mvoffset /= 1000;
+ fwnode_property_read_u32_array(child,
+ "gw,voltage-divider-ohms",
+ ch->vdiv, ARRAY_SIZE(ch->vdiv));
+ ch++;
+ }
+
+ return pdata;
+}
+
+static int gsc_hwmon_probe(struct platform_device *pdev)
+{
+ struct gsc_dev *gsc = dev_get_drvdata(pdev->dev.parent);
+ struct device *dev = &pdev->dev;
+ struct device *hwmon_dev;
+ struct gsc_hwmon_platform_data *pdata = dev_get_platdata(dev);
+ struct gsc_hwmon_data *hwmon;
+ const struct attribute_group **groups;
+ int i, i_in, i_temp;
+
+ if (!pdata) {
+ pdata = gsc_hwmon_get_devtree_pdata(dev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ }
+
+ hwmon = devm_kzalloc(dev, sizeof(*hwmon), GFP_KERNEL);
+ if (!hwmon)
+ return -ENOMEM;
+ hwmon->gsc = gsc;
+ hwmon->pdata = pdata;
+
+ hwmon->regmap = devm_regmap_init(dev, &gsc_hwmon_regmap_bus,
+ gsc->i2c_hwmon,
+ &gsc_hwmon_regmap_config);
+ if (IS_ERR(hwmon->regmap))
+ return PTR_ERR(hwmon->regmap);
+
+ for (i = 0, i_in = 0, i_temp = 0; i < hwmon->pdata->nchannels; i++) {
+ const struct gsc_hwmon_channel *ch = &pdata->channels[i];
+
+ switch (ch->mode) {
+ case mode_temperature:
+ if (i_temp == GSC_HWMON_MAX_TEMP_CH) {
+ dev_err(gsc->dev, "too many temp channels\n");
+ return -EINVAL;
+ }
+ hwmon->temp_ch[i_temp] = ch;
+ hwmon->temp_config[i_temp] = HWMON_T_INPUT |
+ HWMON_T_LABEL;
+ i_temp++;
+ break;
+ case mode_voltage:
+ case mode_voltage_raw:
+ if (i_in == GSC_HWMON_MAX_IN_CH) {
+ dev_err(gsc->dev, "too many input channels\n");
+ return -EINVAL;
+ }
+ hwmon->in_ch[i_in] = ch;
+ hwmon->in_config[i_in] =
+ HWMON_I_INPUT | HWMON_I_LABEL;
+ i_in++;
+ break;
+ default:
+ dev_err(gsc->dev, "invalid mode: %d\n", ch->mode);
+ return -EINVAL;
+ }
+ }
+
+ /* setup config structures */
+ hwmon->chip.ops = &gsc_hwmon_ops;
+ hwmon->chip.info = hwmon->info;
+ hwmon->info[0] = &hwmon->temp_info;
+ hwmon->info[1] = &hwmon->in_info;
+ hwmon->temp_info.type = hwmon_temp;
+ hwmon->temp_info.config = hwmon->temp_config;
+ hwmon->in_info.type = hwmon_in;
+ hwmon->in_info.config = hwmon->in_config;
+
+ groups = pdata->fan_base ? gsc_hwmon_groups : NULL;
+ hwmon_dev = devm_hwmon_device_register_with_info(dev,
+ KBUILD_MODNAME, hwmon,
+ &hwmon->chip, groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
+}
+
+static const struct of_device_id gsc_hwmon_of_match[] = {
+ { .compatible = "gw,gsc-adc", },
+ {}
+};
+
+static struct platform_driver gsc_hwmon_driver = {
+ .driver = {
+ .name = "gsc-hwmon",
+ .of_match_table = gsc_hwmon_of_match,
+ },
+ .probe = gsc_hwmon_probe,
+};
+
+module_platform_driver(gsc_hwmon_driver);
+
+MODULE_AUTHOR("Tim Harvey <tharvey@gateworks.com>");
+MODULE_DESCRIPTION("GSC hardware monitor driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 6a30fb453f7a..3f596a5328da 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -15,6 +15,7 @@
#include <linux/gfp.h>
#include <linux/hwmon.h>
#include <linux/idr.h>
+#include <linux/list.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/slab.h>
@@ -31,7 +32,7 @@ struct hwmon_device {
const char *name;
struct device dev;
const struct hwmon_chip_info *chip;
-
+ struct list_head tzdata;
struct attribute_group group;
const struct attribute_group **groups;
};
@@ -55,12 +56,12 @@ struct hwmon_device_attribute {
/*
* Thermal zone information
- * In addition to the reference to the hwmon device,
- * also provides the sensor index.
*/
struct hwmon_thermal_data {
+ struct list_head node; /* hwmon tzdata list entry */
struct device *dev; /* Reference to hwmon device */
int index; /* sensor index */
+ struct thermal_zone_device *tzd;/* thermal zone device */
};
static ssize_t
@@ -156,10 +157,17 @@ static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
.get_temp = hwmon_thermal_get_temp,
};
+static void hwmon_thermal_remove_sensor(void *data)
+{
+ list_del(data);
+}
+
static int hwmon_thermal_add_sensor(struct device *dev, int index)
{
+ struct hwmon_device *hwdev = to_hwmon_device(dev);
struct hwmon_thermal_data *tdata;
struct thermal_zone_device *tzd;
+ int err;
tdata = devm_kzalloc(dev, sizeof(*tdata), GFP_KERNEL);
if (!tdata)
@@ -177,13 +185,68 @@ static int hwmon_thermal_add_sensor(struct device *dev, int index)
if (IS_ERR(tzd) && (PTR_ERR(tzd) != -ENODEV))
return PTR_ERR(tzd);
+ err = devm_add_action(dev, hwmon_thermal_remove_sensor, &tdata->node);
+ if (err)
+ return err;
+
+ tdata->tzd = tzd;
+ list_add(&tdata->node, &hwdev->tzdata);
+
return 0;
}
+
+static int hwmon_thermal_register_sensors(struct device *dev)
+{
+ struct hwmon_device *hwdev = to_hwmon_device(dev);
+ const struct hwmon_chip_info *chip = hwdev->chip;
+ const struct hwmon_channel_info **info = chip->info;
+ void *drvdata = dev_get_drvdata(dev);
+ int i;
+
+ for (i = 1; info[i]; i++) {
+ int j;
+
+ if (info[i]->type != hwmon_temp)
+ continue;
+
+ for (j = 0; info[i]->config[j]; j++) {
+ int err;
+
+ if (!(info[i]->config[j] & HWMON_T_INPUT) ||
+ !chip->ops->is_visible(drvdata, hwmon_temp,
+ hwmon_temp_input, j))
+ continue;
+
+ err = hwmon_thermal_add_sensor(dev, j);
+ if (err)
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static void hwmon_thermal_notify(struct device *dev, int index)
+{
+ struct hwmon_device *hwdev = to_hwmon_device(dev);
+ struct hwmon_thermal_data *tzdata;
+
+ list_for_each_entry(tzdata, &hwdev->tzdata, node) {
+ if (tzdata->index == index) {
+ thermal_zone_device_update(tzdata->tzd,
+ THERMAL_EVENT_UNSPECIFIED);
+ }
+ }
+}
+
#else
-static int hwmon_thermal_add_sensor(struct device *dev, int index)
+static int hwmon_thermal_register_sensors(struct device *dev)
{
return 0;
}
+
+static void hwmon_thermal_notify(struct device *dev, int index) { }
+
#endif /* IS_REACHABLE(CONFIG_THERMAL) && ... */
static int hwmon_attr_base(enum hwmon_sensor_types type)
@@ -511,6 +574,35 @@ static const int __templates_size[] = {
[hwmon_intrusion] = ARRAY_SIZE(hwmon_intrusion_attr_templates),
};
+int hwmon_notify_event(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ char sattr[MAX_SYSFS_ATTR_NAME_LENGTH];
+ const char * const *templates;
+ const char *template;
+ int base;
+
+ if (type >= ARRAY_SIZE(__templates))
+ return -EINVAL;
+ if (attr >= __templates_size[type])
+ return -EINVAL;
+
+ templates = __templates[type];
+ template = templates[attr];
+
+ base = hwmon_attr_base(type);
+
+ scnprintf(sattr, MAX_SYSFS_ATTR_NAME_LENGTH, template, base + channel);
+ sysfs_notify(&dev->kobj, NULL, sattr);
+ kobject_uevent(&dev->kobj, KOBJ_CHANGE);
+
+ if (type == hwmon_temp)
+ hwmon_thermal_notify(dev, channel);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(hwmon_notify_event);
+
static int hwmon_num_channel_attrs(const struct hwmon_channel_info *info)
{
int i, n;
@@ -596,7 +688,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
{
struct hwmon_device *hwdev;
struct device *hdev;
- int i, j, err, id;
+ int i, err, id;
/* Complain about invalid characters in hwmon name attribute */
if (name && (!strlen(name) || strpbrk(name, "-* \t\n")))
@@ -661,33 +753,19 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
if (err)
goto free_hwmon;
+ INIT_LIST_HEAD(&hwdev->tzdata);
+
if (dev && dev->of_node && chip && chip->ops->read &&
chip->info[0]->type == hwmon_chip &&
(chip->info[0]->config[0] & HWMON_C_REGISTER_TZ)) {
- const struct hwmon_channel_info **info = chip->info;
-
- for (i = 1; info[i]; i++) {
- if (info[i]->type != hwmon_temp)
- continue;
-
- for (j = 0; info[i]->config[j]; j++) {
- if (!chip->ops->is_visible(drvdata, hwmon_temp,
- hwmon_temp_input, j))
- continue;
- if (info[i]->config[j] & HWMON_T_INPUT) {
- err = hwmon_thermal_add_sensor(hdev, j);
- if (err) {
- device_unregister(hdev);
- /*
- * Don't worry about hwdev;
- * hwmon_dev_release(), called
- * from device_unregister(),
- * will free it.
- */
- goto ida_remove;
- }
- }
- }
+ err = hwmon_thermal_register_sensors(hdev);
+ if (err) {
+ device_unregister(hdev);
+ /*
+ * Don't worry about hwdev; hwmon_dev_release(), called
+ * from device_unregister(), will free it.
+ */
+ goto ida_remove;
}
}
diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c
index e9e78c0b7212..55d474ec7c35 100644
--- a/drivers/hwmon/ina2xx.c
+++ b/drivers/hwmon/ina2xx.c
@@ -74,6 +74,17 @@
#define INA226_READ_AVG(reg) (((reg) & INA226_AVG_RD_MASK) >> 9)
#define INA226_SHIFT_AVG(val) ((val) << 9)
+/* bit number of alert functions in Mask/Enable Register */
+#define INA226_SHUNT_OVER_VOLTAGE_BIT 15
+#define INA226_SHUNT_UNDER_VOLTAGE_BIT 14
+#define INA226_BUS_OVER_VOLTAGE_BIT 13
+#define INA226_BUS_UNDER_VOLTAGE_BIT 12
+#define INA226_POWER_OVER_LIMIT_BIT 11
+
+/* bit mask for alert config bits of Mask/Enable Register */
+#define INA226_ALERT_CONFIG_MASK 0xFC00
+#define INA226_ALERT_FUNCTION_FLAG BIT(4)
+
/* common attrs, ina226 attrs and NULL */
#define INA2XX_MAX_ATTRIBUTE_GROUPS 3
@@ -303,6 +314,145 @@ static ssize_t ina2xx_value_show(struct device *dev,
ina2xx_get_value(data, attr->index, regval));
}
+static int ina226_reg_to_alert(struct ina2xx_data *data, u8 bit, u16 regval)
+{
+ int reg;
+
+ switch (bit) {
+ case INA226_SHUNT_OVER_VOLTAGE_BIT:
+ case INA226_SHUNT_UNDER_VOLTAGE_BIT:
+ reg = INA2XX_SHUNT_VOLTAGE;
+ break;
+ case INA226_BUS_OVER_VOLTAGE_BIT:
+ case INA226_BUS_UNDER_VOLTAGE_BIT:
+ reg = INA2XX_BUS_VOLTAGE;
+ break;
+ case INA226_POWER_OVER_LIMIT_BIT:
+ reg = INA2XX_POWER;
+ break;
+ default:
+ /* programmer goofed */
+ WARN_ON_ONCE(1);
+ return 0;
+ }
+
+ return ina2xx_get_value(data, reg, regval);
+}
+
+/*
+ * Turns alert limit values into register values.
+ * Opposite of the formula in ina2xx_get_value().
+ */
+static s16 ina226_alert_to_reg(struct ina2xx_data *data, u8 bit, int val)
+{
+ switch (bit) {
+ case INA226_SHUNT_OVER_VOLTAGE_BIT:
+ case INA226_SHUNT_UNDER_VOLTAGE_BIT:
+ val *= data->config->shunt_div;
+ return clamp_val(val, SHRT_MIN, SHRT_MAX);
+ case INA226_BUS_OVER_VOLTAGE_BIT:
+ case INA226_BUS_UNDER_VOLTAGE_BIT:
+ val = (val * 1000) << data->config->bus_voltage_shift;
+ val = DIV_ROUND_CLOSEST(val, data->config->bus_voltage_lsb);
+ return clamp_val(val, 0, SHRT_MAX);
+ case INA226_POWER_OVER_LIMIT_BIT:
+ val = DIV_ROUND_CLOSEST(val, data->power_lsb_uW);
+ return clamp_val(val, 0, USHRT_MAX);
+ default:
+ /* programmer goofed */
+ WARN_ON_ONCE(1);
+ return 0;
+ }
+}
+
+static ssize_t ina226_alert_show(struct device *dev,
+ struct device_attribute *da, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+ int regval;
+ int val = 0;
+ int ret;
+
+ mutex_lock(&data->config_lock);
+ ret = regmap_read(data->regmap, INA226_MASK_ENABLE, &regval);
+ if (ret)
+ goto abort;
+
+ if (regval & BIT(attr->index)) {
+ ret = regmap_read(data->regmap, INA226_ALERT_LIMIT, &regval);
+ if (ret)
+ goto abort;
+ val = ina226_reg_to_alert(data, attr->index, regval);
+ }
+
+ ret = snprintf(buf, PAGE_SIZE, "%d\n", val);
+abort:
+ mutex_unlock(&data->config_lock);
+ return ret;
+}
+
+static ssize_t ina226_alert_store(struct device *dev,
+ struct device_attribute *da,
+ const char *buf, size_t count)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+ unsigned long val;
+ int ret;
+
+ ret = kstrtoul(buf, 10, &val);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * Clear all alerts first to avoid accidentally triggering ALERT pin
+ * due to register write sequence. Then, only enable the alert
+ * if the value is non-zero.
+ */
+ mutex_lock(&data->config_lock);
+ ret = regmap_update_bits(data->regmap, INA226_MASK_ENABLE,
+ INA226_ALERT_CONFIG_MASK, 0);
+ if (ret < 0)
+ goto abort;
+
+ ret = regmap_write(data->regmap, INA226_ALERT_LIMIT,
+ ina226_alert_to_reg(data, attr->index, val));
+ if (ret < 0)
+ goto abort;
+
+ if (val != 0) {
+ ret = regmap_update_bits(data->regmap, INA226_MASK_ENABLE,
+ INA226_ALERT_CONFIG_MASK,
+ BIT(attr->index));
+ if (ret < 0)
+ goto abort;
+ }
+
+ ret = count;
+abort:
+ mutex_unlock(&data->config_lock);
+ return ret;
+}
+
+static ssize_t ina226_alarm_show(struct device *dev,
+ struct device_attribute *da, char *buf)
+{
+ struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
+ struct ina2xx_data *data = dev_get_drvdata(dev);
+ int regval;
+ int alarm = 0;
+ int ret;
+
+ ret = regmap_read(data->regmap, INA226_MASK_ENABLE, &regval);
+ if (ret)
+ return ret;
+
+ alarm = (regval & BIT(attr->index)) &&
+ (regval & INA226_ALERT_FUNCTION_FLAG);
+ return snprintf(buf, PAGE_SIZE, "%d\n", alarm);
+}
+
/*
* In order to keep calibration register value fixed, the product
* of current_lsb and shunt_resistor should also be fixed and equal
@@ -392,15 +542,38 @@ static ssize_t ina226_interval_show(struct device *dev,
/* shunt voltage */
static SENSOR_DEVICE_ATTR_RO(in0_input, ina2xx_value, INA2XX_SHUNT_VOLTAGE);
+/* shunt voltage over/under voltage alert setting and alarm */
+static SENSOR_DEVICE_ATTR_RW(in0_crit, ina226_alert,
+ INA226_SHUNT_OVER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RW(in0_lcrit, ina226_alert,
+ INA226_SHUNT_UNDER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RO(in0_crit_alarm, ina226_alarm,
+ INA226_SHUNT_OVER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RO(in0_lcrit_alarm, ina226_alarm,
+ INA226_SHUNT_UNDER_VOLTAGE_BIT);
/* bus voltage */
static SENSOR_DEVICE_ATTR_RO(in1_input, ina2xx_value, INA2XX_BUS_VOLTAGE);
+/* bus voltage over/under voltage alert setting and alarm */
+static SENSOR_DEVICE_ATTR_RW(in1_crit, ina226_alert,
+ INA226_BUS_OVER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RW(in1_lcrit, ina226_alert,
+ INA226_BUS_UNDER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RO(in1_crit_alarm, ina226_alarm,
+ INA226_BUS_OVER_VOLTAGE_BIT);
+static SENSOR_DEVICE_ATTR_RO(in1_lcrit_alarm, ina226_alarm,
+ INA226_BUS_UNDER_VOLTAGE_BIT);
/* calculated current */
static SENSOR_DEVICE_ATTR_RO(curr1_input, ina2xx_value, INA2XX_CURRENT);
/* calculated power */
static SENSOR_DEVICE_ATTR_RO(power1_input, ina2xx_value, INA2XX_POWER);
+/* over-limit power alert setting and alarm */
+static SENSOR_DEVICE_ATTR_RW(power1_crit, ina226_alert,
+ INA226_POWER_OVER_LIMIT_BIT);
+static SENSOR_DEVICE_ATTR_RO(power1_crit_alarm, ina226_alarm,
+ INA226_POWER_OVER_LIMIT_BIT);
/* shunt resistance */
static SENSOR_DEVICE_ATTR_RW(shunt_resistor, ina2xx_shunt, INA2XX_CALIBRATION);
@@ -423,6 +596,16 @@ static const struct attribute_group ina2xx_group = {
};
static struct attribute *ina226_attrs[] = {
+ &sensor_dev_attr_in0_crit.dev_attr.attr,
+ &sensor_dev_attr_in0_lcrit.dev_attr.attr,
+ &sensor_dev_attr_in0_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_in0_lcrit_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_crit.dev_attr.attr,
+ &sensor_dev_attr_in1_lcrit.dev_attr.attr,
+ &sensor_dev_attr_in1_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_in1_lcrit_alarm.dev_attr.attr,
+ &sensor_dev_attr_power1_crit.dev_attr.attr,
+ &sensor_dev_attr_power1_crit_alarm.dev_attr.attr,
&sensor_dev_attr_update_interval.dev_attr.attr,
NULL,
};
diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
index 4122e59f0bb4..ae2b84263a44 100644
--- a/drivers/hwmon/lm70.c
+++ b/drivers/hwmon/lm70.c
@@ -25,7 +25,7 @@
#include <linux/spi/spi.h>
#include <linux/slab.h>
#include <linux/of_device.h>
-
+#include <linux/acpi.h>
#define DRVNAME "lm70"
@@ -148,18 +148,50 @@ static const struct of_device_id lm70_of_ids[] = {
MODULE_DEVICE_TABLE(of, lm70_of_ids);
#endif
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id lm70_acpi_ids[] = {
+ {
+ .id = "LM000070",
+ .driver_data = LM70_CHIP_LM70,
+ },
+ {
+ .id = "TMP00121",
+ .driver_data = LM70_CHIP_TMP121,
+ },
+ {
+ .id = "LM000071",
+ .driver_data = LM70_CHIP_LM71,
+ },
+ {
+ .id = "LM000074",
+ .driver_data = LM70_CHIP_LM74,
+ },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, lm70_acpi_ids);
+#endif
+
static int lm70_probe(struct spi_device *spi)
{
- const struct of_device_id *match;
+ const struct of_device_id *of_match;
struct device *hwmon_dev;
struct lm70 *p_lm70;
int chip;
- match = of_match_device(lm70_of_ids, &spi->dev);
- if (match)
- chip = (int)(uintptr_t)match->data;
- else
- chip = spi_get_device_id(spi)->driver_data;
+ of_match = of_match_device(lm70_of_ids, &spi->dev);
+ if (of_match)
+ chip = (int)(uintptr_t)of_match->data;
+ else {
+#ifdef CONFIG_ACPI
+ const struct acpi_device_id *acpi_match;
+
+ acpi_match = acpi_match_device(lm70_acpi_ids, &spi->dev);
+ if (acpi_match)
+ chip = (int)(uintptr_t)acpi_match->driver_data;
+ else
+#endif
+ chip = spi_get_device_id(spi)->driver_data;
+ }
/* signaling is SPI_MODE_0 */
if (spi->mode & (SPI_CPOL | SPI_CPHA))
@@ -195,6 +227,7 @@ static struct spi_driver lm70_driver = {
.driver = {
.name = "lm70",
.of_match_table = of_match_ptr(lm70_of_ids),
+ .acpi_match_table = ACPI_PTR(lm70_acpi_ids),
},
.id_table = lm70_ids,
.probe = lm70_probe,
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 5e6392294c03..ba0be48aeadd 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -797,8 +797,10 @@ static int lm75_detect(struct i2c_client *new_client,
/* First check for LM75A */
if (i2c_smbus_read_byte_data(new_client, 7) == LM75A_ID) {
- /* LM75A returns 0xff on unused registers so
- just to be sure we check for that too. */
+ /*
+ * LM75A returns 0xff on unused registers so
+ * just to be sure we check for that too.
+ */
if (i2c_smbus_read_byte_data(new_client, 4) != 0xff
|| i2c_smbus_read_byte_data(new_client, 5) != 0xff
|| i2c_smbus_read_byte_data(new_client, 6) != 0xff)
@@ -849,6 +851,7 @@ static int lm75_suspend(struct device *dev)
{
int status;
struct i2c_client *client = to_i2c_client(dev);
+
status = i2c_smbus_read_byte_data(client, LM75_REG_CONF);
if (status < 0) {
dev_dbg(&client->dev, "Can't read config? %d\n", status);
@@ -863,6 +866,7 @@ static int lm75_resume(struct device *dev)
{
int status;
struct i2c_client *client = to_i2c_client(dev);
+
status = i2c_smbus_read_byte_data(client, LM75_REG_CONF);
if (status < 0) {
dev_dbg(&client->dev, "Can't read config? %d\n", status);
diff --git a/drivers/hwmon/lm75.h b/drivers/hwmon/lm75.h
index b614e6328566..a398171162a8 100644
--- a/drivers/hwmon/lm75.h
+++ b/drivers/hwmon/lm75.h
@@ -1,17 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
- lm75.h - Part of lm_sensors, Linux kernel modules for hardware
- monitoring
- Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
-
-*/
+ * lm75.h - Part of lm_sensors, Linux kernel modules for hardware monitoring
+ * Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
+ */
/*
- This file contains common code for encoding/decoding LM75 type
- temperature readings, which are emulated by many of the chips
- we support. As the user is unlikely to load more than one driver
- which contains this code, we don't worry about the wasted space.
-*/
+ * This file contains common code for encoding/decoding LM75 type
+ * temperature readings, which are emulated by many of the chips
+ * we support. As the user is unlikely to load more than one driver
+ * which contains this code, we don't worry about the wasted space.
+ */
#include <linux/kernel.h>
@@ -20,18 +18,23 @@
#define LM75_TEMP_MAX 125000
#define LM75_SHUTDOWN 0x01
-/* TEMP: 0.001C/bit (-55C to +125C)
- REG: (0.5C/bit, two's complement) << 7 */
+/*
+ * TEMP: 0.001C/bit (-55C to +125C)
+ * REG: (0.5C/bit, two's complement) << 7
+ */
static inline u16 LM75_TEMP_TO_REG(long temp)
{
int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
+
ntemp += (ntemp < 0 ? -250 : 250);
return (u16)((ntemp / 500) << 7);
}
static inline int LM75_TEMP_FROM_REG(u16 reg)
{
- /* use integer division instead of equivalent right shift to
- guarantee arithmetic shift and preserve the sign */
+ /*
+ * use integer division instead of equivalent right shift to
+ * guarantee arithmetic shift and preserve the sign
+ */
return ((s16)reg / 128) * 500;
}
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 9b3c9f390ef8..7bdc664af55b 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -35,6 +35,14 @@
* explicitly as max6659, or if its address is not 0x4c.
* These chips lack the remote temperature offset feature.
*
+ * This driver also supports the MAX6654 chip made by Maxim. This chip can
+ * be at 9 different addresses, similar to MAX6680/MAX6681. The MAX6654 is
+ * otherwise similar to MAX6657/MAX6658/MAX6659. Extended range is available
+ * by setting the configuration register accordingly, and is done during
+ * initialization. Extended precision is only available at conversion rates
+ * of 1 Hz and slower. Note that extended precision is not enabled by
+ * default, as this driver initializes all chips to 2 Hz by design.
+ *
* This driver also supports the MAX6646, MAX6647, MAX6648, MAX6649 and
* MAX6692 chips made by Maxim. These are again similar to the LM86,
* but they use unsigned temperature values and can report temperatures
@@ -94,8 +102,8 @@
* have address 0x4d.
* MAX6647 has address 0x4e.
* MAX6659 can have address 0x4c, 0x4d or 0x4e.
- * MAX6680 and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b,
- * 0x4c, 0x4d or 0x4e.
+ * MAX6654, MAX6680, and MAX6681 can have address 0x18, 0x19, 0x1a, 0x29,
+ * 0x2a, 0x2b, 0x4c, 0x4d or 0x4e.
* SA56004 can have address 0x48 through 0x4F.
*/
@@ -104,7 +112,7 @@ static const unsigned short normal_i2c[] = {
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
- max6646, w83l771, max6696, sa56004, g781, tmp451 };
+ max6646, w83l771, max6696, sa56004, g781, tmp451, max6654 };
/*
* The LM90 registers
@@ -145,7 +153,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
#define LM90_REG_R_TCRIT_HYST 0x21
#define LM90_REG_W_TCRIT_HYST 0x21
-/* MAX6646/6647/6649/6657/6658/6659/6695/6696 registers */
+/* MAX6646/6647/6649/6654/6657/6658/6659/6695/6696 registers */
#define MAX6657_REG_R_LOCAL_TEMPL 0x11
#define MAX6696_REG_R_STATUS2 0x12
@@ -209,6 +217,7 @@ static const struct i2c_device_id lm90_id[] = {
{ "max6646", max6646 },
{ "max6647", max6646 },
{ "max6649", max6646 },
+ { "max6654", max6654 },
{ "max6657", max6657 },
{ "max6658", max6657 },
{ "max6659", max6659 },
@@ -270,6 +279,10 @@ static const struct of_device_id __maybe_unused lm90_of_match[] = {
.data = (void *)max6646
},
{
+ .compatible = "dallas,max6654",
+ .data = (void *)max6654
+ },
+ {
.compatible = "dallas,max6657",
.data = (void *)max6657
},
@@ -367,6 +380,11 @@ static const struct lm90_params lm90_params[] = {
.max_convrate = 6,
.reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
},
+ [max6654] = {
+ .alert_alarms = 0x7c,
+ .max_convrate = 7,
+ .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,
+ },
[max6657] = {
.flags = LM90_PAUSE_FOR_CONFIG,
.alert_alarms = 0x7c,
@@ -1557,6 +1575,16 @@ static int lm90_detect(struct i2c_client *client,
&& (config1 & 0x3f) == 0x00
&& convrate <= 0x07) {
name = "max6646";
+ } else
+ /*
+ * The chip_id of the MAX6654 holds the revision of the chip.
+ * The lowest 3 bits of the config1 register are unused and
+ * should return zero when read.
+ */
+ if (chip_id == 0x08
+ && (config1 & 0x07) == 0x00
+ && convrate <= 0x07) {
+ name = "max6654";
}
} else
if (address == 0x4C
@@ -1661,6 +1689,15 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
config |= 0x18;
/*
+ * Put MAX6654 into extended range (0x20, extend minimum range from
+ * 0 degrees to -64 degrees). Note that extended resolution is not
+ * possible on the MAX6654 unless conversion rate is set to 1 Hz or
+ * slower, which is intentionally not done by default.
+ */
+ if (data->kind == max6654)
+ config |= 0x20;
+
+ /*
* Select external channel 0 for max6695/96
*/
if (data->kind == max6696)
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index 7efa6bfef060..e7e1ddc1d631 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -2047,7 +2047,7 @@ store_temp_beep(struct device *dev, struct device_attribute *attr,
static umode_t nct6775_in_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int in = index / 5; /* voltage index */
@@ -2253,7 +2253,7 @@ store_fan_pulses(struct device *dev, struct device_attribute *attr,
static umode_t nct6775_fan_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int fan = index / 6; /* fan index */
int nr = index % 6; /* attribute index */
@@ -2440,7 +2440,7 @@ store_temp_type(struct device *dev, struct device_attribute *attr,
static umode_t nct6775_temp_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int temp = index / 10; /* temp index */
int nr = index % 10; /* attribute index */
@@ -3257,7 +3257,7 @@ store_auto_temp(struct device *dev, struct device_attribute *attr,
static umode_t nct6775_pwm_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
int pwm = index / 36; /* pwm index */
int nr = index % 36; /* attribute index */
@@ -3459,7 +3459,7 @@ static SENSOR_DEVICE_ATTR(beep_enable, S_IWUSR | S_IRUGO, show_beep,
static umode_t nct6775_other_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct6775_data *data = dev_get_drvdata(dev);
if (index == 0 && !data->have_vid)
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 2e97e56c72c7..570df8eb5272 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -679,7 +679,7 @@ static struct attribute *nct7802_temp_attrs[] = {
static umode_t nct7802_temp_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct7802_data *data = dev_get_drvdata(dev);
unsigned int reg;
int err;
@@ -778,7 +778,7 @@ static struct attribute *nct7802_in_attrs[] = {
static umode_t nct7802_in_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct7802_data *data = dev_get_drvdata(dev);
unsigned int reg;
int err;
@@ -853,7 +853,7 @@ static struct attribute *nct7802_fan_attrs[] = {
static umode_t nct7802_fan_is_visible(struct kobject *kobj,
struct attribute *attr, int index)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct nct7802_data *data = dev_get_drvdata(dev);
int fan = index / 4; /* 4 attributes per fan */
unsigned int reg;
diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c
index 1f5743d68984..b0425694f702 100644
--- a/drivers/hwmon/nct7904.c
+++ b/drivers/hwmon/nct7904.c
@@ -8,6 +8,9 @@
* Copyright (c) 2019 Advantech
* Author: Amy.Shih <amy.shih@advantech.com.tw>
*
+ * Copyright (c) 2020 Advantech
+ * Author: Yuechao Zhao <yuechao.zhao@advantech.com.cn>
+ *
* Supports the following chips:
*
* Chip #vin #fan #pwm #temp #dts chip ID
@@ -20,6 +23,7 @@
#include <linux/i2c.h>
#include <linux/mutex.h>
#include <linux/hwmon.h>
+#include <linux/watchdog.h>
#define VENDOR_ID_REG 0x7A /* Any bank */
#define NUVOTON_ID 0x50
@@ -41,6 +45,7 @@
#define FANCTL_MAX 4 /* Counted from 1 */
#define TCPU_MAX 8 /* Counted from 1 */
#define TEMP_MAX 4 /* Counted from 1 */
+#define SMI_STS_MAX 10 /* Counted from 1 */
#define VT_ADC_CTRL0_REG 0x20 /* Bank 0 */
#define VT_ADC_CTRL1_REG 0x21 /* Bank 0 */
@@ -87,18 +92,42 @@
#define FANCTL1_FMR_REG 0x00 /* Bank 3; 1 reg per channel */
#define FANCTL1_OUT_REG 0x10 /* Bank 3; 1 reg per channel */
+#define WDT_LOCK_REG 0xE0 /* W/O Lock Watchdog Register */
+#define WDT_EN_REG 0xE1 /* R/O Watchdog Enable Register */
+#define WDT_STS_REG 0xE2 /* R/O Watchdog Status Register */
+#define WDT_TIMER_REG 0xE3 /* R/W Watchdog Timer Register */
+#define WDT_SOFT_EN 0x55 /* Enable soft watchdog timer */
+#define WDT_SOFT_DIS 0xAA /* Disable soft watchdog timer */
+
#define VOLT_MONITOR_MODE 0x0
#define THERMAL_DIODE_MODE 0x1
#define THERMISTOR_MODE 0x3
#define ENABLE_TSI BIT(1)
+#define WATCHDOG_TIMEOUT 1 /* 1 minute default timeout */
+
+/*The timeout range is 1-255 minutes*/
+#define MIN_TIMEOUT (1 * 60)
+#define MAX_TIMEOUT (255 * 60)
+
+static int timeout;
+module_param(timeout, int, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in minutes. 1 <= timeout <= 255, default="
+ __MODULE_STRING(WATCHDOG_TIMEOUT) ".");
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+ __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
static const unsigned short normal_i2c[] = {
0x2d, 0x2e, I2C_CLIENT_END
};
struct nct7904_data {
struct i2c_client *client;
+ struct watchdog_device wdt;
struct mutex bank_lock;
int bank_sel;
u32 fanin_mask;
@@ -361,6 +390,7 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
struct nct7904_data *data = dev_get_drvdata(dev);
int ret, temp;
unsigned int reg1, reg2, reg3;
+ s8 temps;
switch (attr) {
case hwmon_temp_input:
@@ -466,7 +496,8 @@ static int nct7904_read_temp(struct device *dev, u32 attr, int channel,
if (ret < 0)
return ret;
- *val = ret * 1000;
+ temps = ret;
+ *val = temps * 1000;
return 0;
}
@@ -889,6 +920,95 @@ static const struct hwmon_chip_info nct7904_chip_info = {
.info = nct7904_info,
};
+/*
+ * Watchdog Function
+ */
+static int nct7904_wdt_start(struct watchdog_device *wdt)
+{
+ struct nct7904_data *data = watchdog_get_drvdata(wdt);
+
+ /* Enable soft watchdog timer */
+ return nct7904_write_reg(data, BANK_0, WDT_LOCK_REG, WDT_SOFT_EN);
+}
+
+static int nct7904_wdt_stop(struct watchdog_device *wdt)
+{
+ struct nct7904_data *data = watchdog_get_drvdata(wdt);
+
+ return nct7904_write_reg(data, BANK_0, WDT_LOCK_REG, WDT_SOFT_DIS);
+}
+
+static int nct7904_wdt_set_timeout(struct watchdog_device *wdt,
+ unsigned int timeout)
+{
+ struct nct7904_data *data = watchdog_get_drvdata(wdt);
+ /*
+ * The NCT7904 is very special in watchdog function.
+ * Its minimum unit is minutes. And wdt->timeout needs
+ * to match the actual timeout selected. So, this needs
+ * to be: wdt->timeout = timeout / 60 * 60.
+ * For example, if the user configures a timeout of
+ * 119 seconds, the actual timeout will be 60 seconds.
+ * So, wdt->timeout must then be set to 60 seconds.
+ */
+ wdt->timeout = timeout / 60 * 60;
+
+ return nct7904_write_reg(data, BANK_0, WDT_TIMER_REG,
+ wdt->timeout / 60);
+}
+
+static int nct7904_wdt_ping(struct watchdog_device *wdt)
+{
+ /*
+ * Note:
+ * NCT7904 does not support refreshing WDT_TIMER_REG register when
+ * the watchdog is active. Please disable watchdog before feeding
+ * the watchdog and enable it again.
+ */
+ struct nct7904_data *data = watchdog_get_drvdata(wdt);
+ int ret;
+
+ /* Disable soft watchdog timer */
+ ret = nct7904_write_reg(data, BANK_0, WDT_LOCK_REG, WDT_SOFT_DIS);
+ if (ret < 0)
+ return ret;
+
+ /* feed watchdog */
+ ret = nct7904_write_reg(data, BANK_0, WDT_TIMER_REG, wdt->timeout / 60);
+ if (ret < 0)
+ return ret;
+
+ /* Enable soft watchdog timer */
+ return nct7904_write_reg(data, BANK_0, WDT_LOCK_REG, WDT_SOFT_EN);
+}
+
+static unsigned int nct7904_wdt_get_timeleft(struct watchdog_device *wdt)
+{
+ struct nct7904_data *data = watchdog_get_drvdata(wdt);
+ int ret;
+
+ ret = nct7904_read_reg(data, BANK_0, WDT_TIMER_REG);
+ if (ret < 0)
+ return 0;
+
+ return ret * 60;
+}
+
+static const struct watchdog_info nct7904_wdt_info = {
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+ WDIOF_MAGICCLOSE,
+ .identity = "nct7904 watchdog",
+};
+
+static const struct watchdog_ops nct7904_wdt_ops = {
+ .owner = THIS_MODULE,
+ .start = nct7904_wdt_start,
+ .stop = nct7904_wdt_stop,
+ .ping = nct7904_wdt_ping,
+ .set_timeout = nct7904_wdt_set_timeout,
+ .get_timeleft = nct7904_wdt_get_timeleft,
+};
+
static int nct7904_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -1009,10 +1129,36 @@ static int nct7904_probe(struct i2c_client *client,
data->fan_mode[i] = ret;
}
+ /* Read all of SMI status register to clear alarms */
+ for (i = 0; i < SMI_STS_MAX; i++) {
+ ret = nct7904_read_reg(data, BANK_0, SMI_STS1_REG + i);
+ if (ret < 0)
+ return ret;
+ }
+
hwmon_dev =
devm_hwmon_device_register_with_info(dev, client->name, data,
&nct7904_chip_info, NULL);
- return PTR_ERR_OR_ZERO(hwmon_dev);
+ ret = PTR_ERR_OR_ZERO(hwmon_dev);
+ if (ret)
+ return ret;
+
+ /* Watchdog initialization */
+ data->wdt.ops = &nct7904_wdt_ops;
+ data->wdt.info = &nct7904_wdt_info;
+
+ data->wdt.timeout = WATCHDOG_TIMEOUT * 60; /* Set default timeout */
+ data->wdt.min_timeout = MIN_TIMEOUT;
+ data->wdt.max_timeout = MAX_TIMEOUT;
+ data->wdt.parent = &client->dev;
+
+ watchdog_init_timeout(&data->wdt, timeout * 60, &client->dev);
+ watchdog_set_nowayout(&data->wdt, nowayout);
+ watchdog_set_drvdata(&data->wdt, data);
+
+ watchdog_stop_on_unregister(&data->wdt);
+
+ return devm_watchdog_register_device(dev, &data->wdt);
}
static const struct i2c_device_id nct7904_id[] = {
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index de12a565006d..a337195b1c39 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -146,6 +146,15 @@ config SENSORS_MAX16064
This driver can also be built as a module. If so, the module will
be called max16064.
+config SENSORS_MAX16601
+ tristate "Maxim MAX16601"
+ help
+ If you say yes here you get hardware monitoring support for Maxim
+ MAX16601.
+
+ This driver can also be built as a module. If so, the module will
+ be called max16601.
+
config SENSORS_MAX20730
tristate "Maxim MAX20730, MAX20734, MAX20743"
help
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
index 5feb45806123..c4b15db996ad 100644
--- a/drivers/hwmon/pmbus/Makefile
+++ b/drivers/hwmon/pmbus/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_SENSORS_LM25066) += lm25066.o
obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o
obj-$(CONFIG_SENSORS_LTC3815) += ltc3815.o
obj-$(CONFIG_SENSORS_MAX16064) += max16064.o
+obj-$(CONFIG_SENSORS_MAX16601) += max16601.o
obj-$(CONFIG_SENSORS_MAX20730) += max20730.o
obj-$(CONFIG_SENSORS_MAX20751) += max20751.o
obj-$(CONFIG_SENSORS_MAX31785) += max31785.o
diff --git a/drivers/hwmon/pmbus/max16601.c b/drivers/hwmon/pmbus/max16601.c
new file mode 100644
index 000000000000..51cdfaf9023c
--- /dev/null
+++ b/drivers/hwmon/pmbus/max16601.c
@@ -0,0 +1,314 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Hardware monitoring driver for Maxim MAX16601
+ *
+ * Implementation notes:
+ *
+ * Ths chip supports two rails, VCORE and VSA. Telemetry information for the
+ * two rails is reported in two subsequent I2C addresses. The driver
+ * instantiates a dummy I2C client at the second I2C address to report
+ * information for the VSA rail in a single instance of the driver.
+ * Telemetry for the VSA rail is reported to the PMBus core in PMBus page 2.
+ *
+ * The chip reports input current using two separate methods. The input current
+ * reported with the standard READ_IIN command is derived from the output
+ * current. The first method is reported to the PMBus core with PMBus page 0,
+ * the second method is reported with PMBus page 1.
+ *
+ * The chip supports reading per-phase temperatures and per-phase input/output
+ * currents for VCORE. Telemetry is reported in vendor specific registers.
+ * The driver translates the vendor specific register values to PMBus standard
+ * register values and reports per-phase information in PMBus page 0.
+ *
+ * Copyright 2019, 2020 Google LLC.
+ */
+
+#include <linux/bits.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "pmbus.h"
+
+#define REG_SETPT_DVID 0xd1
+#define DAC_10MV_MODE BIT(4)
+#define REG_IOUT_AVG_PK 0xee
+#define REG_IIN_SENSOR 0xf1
+#define REG_TOTAL_INPUT_POWER 0xf2
+#define REG_PHASE_ID 0xf3
+#define CORE_RAIL_INDICATOR BIT(7)
+#define REG_PHASE_REPORTING 0xf4
+
+struct max16601_data {
+ struct pmbus_driver_info info;
+ struct i2c_client *vsa;
+ int iout_avg_pkg;
+};
+
+#define to_max16601_data(x) container_of(x, struct max16601_data, info)
+
+static int max16601_read_byte(struct i2c_client *client, int page, int reg)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ struct max16601_data *data = to_max16601_data(info);
+
+ if (page > 0) {
+ if (page == 2) /* VSA */
+ return i2c_smbus_read_byte_data(data->vsa, reg);
+ return -EOPNOTSUPP;
+ }
+ return -ENODATA;
+}
+
+static int max16601_read_word(struct i2c_client *client, int page, int phase,
+ int reg)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ struct max16601_data *data = to_max16601_data(info);
+ u8 buf[I2C_SMBUS_BLOCK_MAX + 1];
+ int ret;
+
+ switch (page) {
+ case 0: /* VCORE */
+ if (phase == 0xff)
+ return -ENODATA;
+ switch (reg) {
+ case PMBUS_READ_IIN:
+ case PMBUS_READ_IOUT:
+ case PMBUS_READ_TEMPERATURE_1:
+ ret = i2c_smbus_write_byte_data(client, REG_PHASE_ID,
+ phase);
+ if (ret)
+ return ret;
+ ret = i2c_smbus_read_block_data(client,
+ REG_PHASE_REPORTING,
+ buf);
+ if (ret < 0)
+ return ret;
+ if (ret < 6)
+ return -EIO;
+ switch (reg) {
+ case PMBUS_READ_TEMPERATURE_1:
+ return buf[1] << 8 | buf[0];
+ case PMBUS_READ_IOUT:
+ return buf[3] << 8 | buf[2];
+ case PMBUS_READ_IIN:
+ return buf[5] << 8 | buf[4];
+ default:
+ break;
+ }
+ }
+ return -EOPNOTSUPP;
+ case 1: /* VCORE, read IIN/PIN from sensor element */
+ switch (reg) {
+ case PMBUS_READ_IIN:
+ return i2c_smbus_read_word_data(client, REG_IIN_SENSOR);
+ case PMBUS_READ_PIN:
+ return i2c_smbus_read_word_data(client,
+ REG_TOTAL_INPUT_POWER);
+ default:
+ break;
+ }
+ return -EOPNOTSUPP;
+ case 2: /* VSA */
+ switch (reg) {
+ case PMBUS_VIRT_READ_IOUT_MAX:
+ ret = i2c_smbus_read_word_data(data->vsa,
+ REG_IOUT_AVG_PK);
+ if (ret < 0)
+ return ret;
+ if (sign_extend32(ret, 10) >
+ sign_extend32(data->iout_avg_pkg, 10))
+ data->iout_avg_pkg = ret;
+ return data->iout_avg_pkg;
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ return 0;
+ case PMBUS_IOUT_OC_FAULT_LIMIT:
+ case PMBUS_IOUT_OC_WARN_LIMIT:
+ case PMBUS_OT_FAULT_LIMIT:
+ case PMBUS_OT_WARN_LIMIT:
+ case PMBUS_READ_IIN:
+ case PMBUS_READ_IOUT:
+ case PMBUS_READ_TEMPERATURE_1:
+ case PMBUS_STATUS_WORD:
+ return i2c_smbus_read_word_data(data->vsa, reg);
+ default:
+ return -EOPNOTSUPP;
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int max16601_write_byte(struct i2c_client *client, int page, u8 reg)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ struct max16601_data *data = to_max16601_data(info);
+
+ if (page == 2) {
+ if (reg == PMBUS_CLEAR_FAULTS)
+ return i2c_smbus_write_byte(data->vsa, reg);
+ return -EOPNOTSUPP;
+ }
+ return -ENODATA;
+}
+
+static int max16601_write_word(struct i2c_client *client, int page, int reg,
+ u16 value)
+{
+ const struct pmbus_driver_info *info = pmbus_get_driver_info(client);
+ struct max16601_data *data = to_max16601_data(info);
+
+ switch (page) {
+ case 0: /* VCORE */
+ return -ENODATA;
+ case 1: /* VCORE IIN/PIN from sensor element */
+ default:
+ return -EOPNOTSUPP;
+ case 2: /* VSA */
+ switch (reg) {
+ case PMBUS_VIRT_RESET_IOUT_HISTORY:
+ data->iout_avg_pkg = 0xfc00;
+ return 0;
+ case PMBUS_IOUT_OC_FAULT_LIMIT:
+ case PMBUS_IOUT_OC_WARN_LIMIT:
+ case PMBUS_OT_FAULT_LIMIT:
+ case PMBUS_OT_WARN_LIMIT:
+ return i2c_smbus_write_word_data(data->vsa, reg, value);
+ default:
+ return -EOPNOTSUPP;
+ }
+ }
+}
+
+static int max16601_identify(struct i2c_client *client,
+ struct pmbus_driver_info *info)
+{
+ int reg;
+
+ reg = i2c_smbus_read_byte_data(client, REG_SETPT_DVID);
+ if (reg < 0)
+ return reg;
+ if (reg & DAC_10MV_MODE)
+ info->vrm_version[0] = vr13;
+ else
+ info->vrm_version[0] = vr12;
+
+ return 0;
+}
+
+static struct pmbus_driver_info max16601_info = {
+ .pages = 3,
+ .format[PSC_VOLTAGE_IN] = linear,
+ .format[PSC_VOLTAGE_OUT] = vid,
+ .format[PSC_CURRENT_IN] = linear,
+ .format[PSC_CURRENT_OUT] = linear,
+ .format[PSC_TEMPERATURE] = linear,
+ .format[PSC_POWER] = linear,
+ .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_IIN | PMBUS_HAVE_PIN |
+ PMBUS_HAVE_STATUS_INPUT |
+ PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
+ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
+ PMBUS_HAVE_POUT | PMBUS_PAGE_VIRTUAL | PMBUS_PHASE_VIRTUAL,
+ .func[1] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN | PMBUS_PAGE_VIRTUAL,
+ .func[2] = PMBUS_HAVE_IIN | PMBUS_HAVE_STATUS_INPUT |
+ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP | PMBUS_PAGE_VIRTUAL,
+ .phases[0] = 8,
+ .pfunc[0] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_TEMP,
+ .pfunc[1] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT,
+ .pfunc[2] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_TEMP,
+ .pfunc[3] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT,
+ .pfunc[4] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_TEMP,
+ .pfunc[5] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT,
+ .pfunc[6] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_TEMP,
+ .pfunc[7] = PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT,
+ .identify = max16601_identify,
+ .read_byte_data = max16601_read_byte,
+ .read_word_data = max16601_read_word,
+ .write_byte = max16601_write_byte,
+ .write_word_data = max16601_write_word,
+};
+
+static void max16601_remove(void *_data)
+{
+ struct max16601_data *data = _data;
+
+ i2c_unregister_device(data->vsa);
+}
+
+static int max16601_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ u8 buf[I2C_SMBUS_BLOCK_MAX + 1];
+ struct max16601_data *data;
+ int ret;
+
+ if (!i2c_check_functionality(client->adapter,
+ I2C_FUNC_SMBUS_READ_BYTE_DATA |
+ I2C_FUNC_SMBUS_READ_BLOCK_DATA))
+ return -ENODEV;
+
+ ret = i2c_smbus_read_block_data(client, PMBUS_IC_DEVICE_ID, buf);
+ if (ret < 0)
+ return -ENODEV;
+
+ /* PMBUS_IC_DEVICE_ID is expected to return "MAX16601y.xx" */
+ if (ret < 11 || strncmp(buf, "MAX16601", 8)) {
+ buf[ret] = '\0';
+ dev_err(dev, "Unsupported chip '%s'\n", buf);
+ return -ENODEV;
+ }
+
+ ret = i2c_smbus_read_byte_data(client, REG_PHASE_ID);
+ if (ret < 0)
+ return ret;
+ if (!(ret & CORE_RAIL_INDICATOR)) {
+ dev_err(dev,
+ "Driver must be instantiated on CORE rail I2C address\n");
+ return -ENODEV;
+ }
+
+ data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->iout_avg_pkg = 0xfc00;
+ data->vsa = i2c_new_dummy_device(client->adapter, client->addr + 1);
+ if (IS_ERR(data->vsa)) {
+ dev_err(dev, "Failed to register VSA client\n");
+ return PTR_ERR(data->vsa);
+ }
+ ret = devm_add_action_or_reset(dev, max16601_remove, data);
+ if (ret)
+ return ret;
+
+ data->info = max16601_info;
+
+ return pmbus_do_probe(client, id, &data->info);
+}
+
+static const struct i2c_device_id max16601_id[] = {
+ {"max16601", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, max16601_id);
+
+static struct i2c_driver max16601_driver = {
+ .driver = {
+ .name = "max16601",
+ },
+ .probe = max16601_probe,
+ .remove = pmbus_do_remove,
+ .id_table = max16601_id,
+};
+
+module_i2c_driver(max16601_driver);
+
+MODULE_AUTHOR("Guenter Roeck <linux@roeck-us.net>");
+MODULE_DESCRIPTION("PMBus driver for Maxim MAX16601");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 8d321bf7d15b..a420877ba533 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -109,8 +109,8 @@ struct pmbus_data {
bool has_status_word; /* device uses STATUS_WORD register */
int (*read_status)(struct i2c_client *client, int page);
- u8 currpage;
- u8 currphase; /* current phase, 0xff for all */
+ s16 currpage; /* current page, -1 for unknown/unset */
+ s16 currphase; /* current phase, 0xff for all, -1 for unknown/unset */
};
struct pmbus_debugfs_entry {
@@ -2529,8 +2529,8 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
if (pdata)
data->flags = pdata->flags;
data->info = info;
- data->currpage = 0xff;
- data->currphase = 0xfe;
+ data->currpage = -1;
+ data->currphase = -1;
ret = pmbus_init_common(client, data, info);
if (ret < 0)
diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
index 83e841be1081..02dbb5ca3bcf 100644
--- a/drivers/hwtracing/coresight/Kconfig
+++ b/drivers/hwtracing/coresight/Kconfig
@@ -107,7 +107,7 @@ config CORESIGHT_CPU_DEBUG
can quickly get to know program counter (PC), secure state,
exception level, etc. Before use debugging functionality, platform
needs to ensure the clock domain and power domain are enabled
- properly, please refer Documentation/trace/coresight-cpu-debug.rst
+ properly, please refer Documentation/trace/coresight/coresight-cpu-debug.rst
for detailed description and the example for usage.
config CORESIGHT_CTI
diff --git a/drivers/hwtracing/coresight/coresight-cti-platform.c b/drivers/hwtracing/coresight/coresight-cti-platform.c
index b44d83142b62..2fdaeec80ee5 100644
--- a/drivers/hwtracing/coresight/coresight-cti-platform.c
+++ b/drivers/hwtracing/coresight/coresight-cti-platform.c
@@ -120,7 +120,7 @@ static int cti_plat_create_v8_etm_connection(struct device *dev,
/* Can optionally have an etm node - return if not */
cs_fwnode = fwnode_find_reference(root_fwnode, CTI_DT_CSDEV_ASSOC, 0);
- if (IS_ERR_OR_NULL(cs_fwnode))
+ if (IS_ERR(cs_fwnode))
return 0;
/* allocate memory */
@@ -393,7 +393,7 @@ static int cti_plat_create_connection(struct device *dev,
/* associated device ? */
cs_fwnode = fwnode_find_reference(fwnode,
CTI_DT_CSDEV_ASSOC, 0);
- if (!IS_ERR_OR_NULL(cs_fwnode)) {
+ if (!IS_ERR(cs_fwnode)) {
assoc_name = cti_plat_get_csdev_or_node_name(cs_fwnode,
&csdev);
fwnode_handle_put(cs_fwnode);
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index dff4e178c732..7f10312d1b88 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -542,7 +542,7 @@ int i2c_pca_add_numbered_bus(struct i2c_adapter *adap)
EXPORT_SYMBOL(i2c_pca_add_numbered_bus);
MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>, "
- "Wolfram Sang <w.sang@pengutronix.de>");
+ "Wolfram Sang <kernel@pengutronix.de>");
MODULE_DESCRIPTION("I2C-Bus PCA9564/PCA9665 algorithm");
MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
index f5c00f903df3..16ddc26c00e6 100644
--- a/drivers/i2c/busses/i2c-altera.c
+++ b/drivers/i2c/busses/i2c-altera.c
@@ -70,6 +70,7 @@
* @isr_mask: cached copy of local ISR enables.
* @isr_status: cached copy of local ISR status.
* @lock: spinlock for IRQ synchronization.
+ * @isr_mutex: mutex for IRQ thread.
*/
struct altr_i2c_dev {
void __iomem *base;
@@ -86,6 +87,7 @@ struct altr_i2c_dev {
u32 isr_mask;
u32 isr_status;
spinlock_t lock; /* IRQ synchronization */
+ struct mutex isr_mutex;
};
static void
@@ -245,10 +247,11 @@ static irqreturn_t altr_i2c_isr(int irq, void *_dev)
struct altr_i2c_dev *idev = _dev;
u32 status = idev->isr_status;
+ mutex_lock(&idev->isr_mutex);
if (!idev->msg) {
dev_warn(idev->dev, "unexpected interrupt\n");
altr_i2c_int_clear(idev, ALTR_I2C_ALL_IRQ);
- return IRQ_HANDLED;
+ goto out;
}
read = (idev->msg->flags & I2C_M_RD) != 0;
@@ -301,6 +304,8 @@ static irqreturn_t altr_i2c_isr(int irq, void *_dev)
complete(&idev->msg_complete);
dev_dbg(idev->dev, "Message Complete\n");
}
+out:
+ mutex_unlock(&idev->isr_mutex);
return IRQ_HANDLED;
}
@@ -312,6 +317,7 @@ static int altr_i2c_xfer_msg(struct altr_i2c_dev *idev, struct i2c_msg *msg)
u32 value;
u8 addr = i2c_8bit_addr_from_msg(msg);
+ mutex_lock(&idev->isr_mutex);
idev->msg = msg;
idev->msg_len = msg->len;
idev->buf = msg->buf;
@@ -336,6 +342,7 @@ static int altr_i2c_xfer_msg(struct altr_i2c_dev *idev, struct i2c_msg *msg)
altr_i2c_int_enable(idev, imask, true);
altr_i2c_fill_tx_fifo(idev);
}
+ mutex_unlock(&idev->isr_mutex);
time_left = wait_for_completion_timeout(&idev->msg_complete,
ALTR_I2C_XFER_TIMEOUT);
@@ -409,6 +416,7 @@ static int altr_i2c_probe(struct platform_device *pdev)
idev->dev = &pdev->dev;
init_completion(&idev->msg_complete);
spin_lock_init(&idev->lock);
+ mutex_init(&idev->isr_mutex);
ret = device_property_read_u32(idev->dev, "fifo-size",
&idev->fifo_size);
diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c
index 5e4800d72e00..cd3fd5ee5f65 100644
--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c
+++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c
@@ -349,12 +349,12 @@ static int amd_mp2_pci_probe(struct pci_dev *pci_dev,
if (!privdata)
return -ENOMEM;
+ privdata->pci_dev = pci_dev;
rc = amd_mp2_pci_init(privdata, pci_dev);
if (rc)
return rc;
mutex_init(&privdata->c2p_lock);
- privdata->pci_dev = pci_dev;
pm_runtime_set_autosuspend_delay(&pci_dev->dev, 1000);
pm_runtime_use_autosuspend(&pci_dev->dev);
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 07c1993274c5..f51702d86a90 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -603,6 +603,7 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
/* Ack all interrupts except for Rx done */
writel(irq_received & ~ASPEED_I2CD_INTR_RX_DONE,
bus->base + ASPEED_I2C_INTR_STS_REG);
+ readl(bus->base + ASPEED_I2C_INTR_STS_REG);
irq_remaining = irq_received;
#if IS_ENABLED(CONFIG_I2C_SLAVE)
@@ -645,9 +646,11 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id)
irq_received, irq_handled);
/* Ack Rx done */
- if (irq_received & ASPEED_I2CD_INTR_RX_DONE)
+ if (irq_received & ASPEED_I2CD_INTR_RX_DONE) {
writel(ASPEED_I2CD_INTR_RX_DONE,
bus->base + ASPEED_I2C_INTR_STS_REG);
+ readl(bus->base + ASPEED_I2C_INTR_STS_REG);
+ }
spin_unlock(&bus->lock);
return irq_remaining ? IRQ_NONE : IRQ_HANDLED;
}
diff --git a/drivers/i2c/busses/i2c-at91-master.c b/drivers/i2c/busses/i2c-at91-master.c
index 0aba51a7df32..37b96ac9dfae 100644
--- a/drivers/i2c/busses/i2c-at91-master.c
+++ b/drivers/i2c/busses/i2c-at91-master.c
@@ -845,6 +845,18 @@ static int at91_init_twi_recovery_info(struct platform_device *pdev,
PINCTRL_STATE_DEFAULT);
dev->pinctrl_pins_gpio = pinctrl_lookup_state(dev->pinctrl,
"gpio");
+ if (IS_ERR(dev->pinctrl_pins_default) ||
+ IS_ERR(dev->pinctrl_pins_gpio)) {
+ dev_info(&pdev->dev, "pinctrl states incomplete for recovery\n");
+ return -EINVAL;
+ }
+
+ /*
+ * pins will be taken as GPIO, so we might as well inform pinctrl about
+ * this and move the state to GPIO
+ */
+ pinctrl_select_state(dev->pinctrl, dev->pinctrl_pins_gpio);
+
rinfo->sda_gpiod = devm_gpiod_get(&pdev->dev, "sda", GPIOD_IN);
if (PTR_ERR(rinfo->sda_gpiod) == -EPROBE_DEFER)
return -EPROBE_DEFER;
@@ -855,9 +867,7 @@ static int at91_init_twi_recovery_info(struct platform_device *pdev,
return -EPROBE_DEFER;
if (IS_ERR(rinfo->sda_gpiod) ||
- IS_ERR(rinfo->scl_gpiod) ||
- IS_ERR(dev->pinctrl_pins_default) ||
- IS_ERR(dev->pinctrl_pins_gpio)) {
+ IS_ERR(rinfo->scl_gpiod)) {
dev_info(&pdev->dev, "recovery information incomplete\n");
if (!IS_ERR(rinfo->sda_gpiod)) {
gpiod_put(rinfo->sda_gpiod);
@@ -867,9 +877,13 @@ static int at91_init_twi_recovery_info(struct platform_device *pdev,
gpiod_put(rinfo->scl_gpiod);
rinfo->scl_gpiod = NULL;
}
+ pinctrl_select_state(dev->pinctrl, dev->pinctrl_pins_default);
return -EINVAL;
}
+ /* change the state of the pins back to their default state */
+ pinctrl_select_state(dev->pinctrl, dev->pinctrl_pins_default);
+
dev_info(&pdev->dev, "using scl, sda for recovery\n");
rinfo->prepare_recovery = at91_prepare_twi_recovery;
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
index 44be0926b566..d091a12596ad 100644
--- a/drivers/i2c/busses/i2c-bcm-iproc.c
+++ b/drivers/i2c/busses/i2c-bcm-iproc.c
@@ -360,6 +360,9 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c,
value = (u8)((val >> S_RX_DATA_SHIFT) & S_RX_DATA_MASK);
i2c_slave_event(iproc_i2c->slave,
I2C_SLAVE_WRITE_RECEIVED, &value);
+ if (rx_status == I2C_SLAVE_RX_END)
+ i2c_slave_event(iproc_i2c->slave,
+ I2C_SLAVE_STOP, &value);
}
} else if (status & BIT(IS_S_TX_UNDERRUN_SHIFT)) {
/* Master read other than start */
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 5536673060cc..c429d664f655 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -357,12 +357,12 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
if (dev->flags & ACCESS_NO_IRQ_SUSPEND) {
dev_pm_set_driver_flags(&pdev->dev,
DPM_FLAG_SMART_PREPARE |
- DPM_FLAG_LEAVE_SUSPENDED);
+ DPM_FLAG_MAY_SKIP_RESUME);
} else {
dev_pm_set_driver_flags(&pdev->dev,
DPM_FLAG_SMART_PREPARE |
DPM_FLAG_SMART_SUSPEND |
- DPM_FLAG_LEAVE_SUSPENDED);
+ DPM_FLAG_MAY_SKIP_RESUME);
}
/* The code below assumes runtime PM to be disabled. */
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 8280ac7cc1b7..4c4d17ddc96b 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -996,13 +996,14 @@ tegra_i2c_poll_completion_timeout(struct tegra_i2c_dev *i2c_dev,
do {
u32 status = i2c_readl(i2c_dev, I2C_INT_STATUS);
- if (status)
+ if (status) {
tegra_i2c_isr(i2c_dev->irq, i2c_dev);
- if (completion_done(complete)) {
- s64 delta = ktime_ms_delta(ktimeout, ktime);
+ if (completion_done(complete)) {
+ s64 delta = ktime_ms_delta(ktimeout, ktime);
- return msecs_to_jiffies(delta) ?: 1;
+ return msecs_to_jiffies(delta) ?: 1;
+ }
}
ktime = ktime_get();
@@ -1029,18 +1030,14 @@ tegra_i2c_wait_completion_timeout(struct tegra_i2c_dev *i2c_dev,
disable_irq(i2c_dev->irq);
/*
- * Under some rare circumstances (like running KASAN +
- * NFS root) CPU, which handles interrupt, may stuck in
- * uninterruptible state for a significant time. In this
- * case we will get timeout if I2C transfer is running on
- * a sibling CPU, despite of IRQ being raised.
- *
- * In order to handle this rare condition, the IRQ status
- * needs to be checked after timeout.
+ * There is a chance that completion may happen after IRQ
+ * synchronization, which is done by disable_irq().
*/
- if (ret == 0)
- ret = tegra_i2c_poll_completion_timeout(i2c_dev,
- complete, 0);
+ if (ret == 0 && completion_done(complete)) {
+ dev_warn(i2c_dev->dev,
+ "completion done after timeout\n");
+ ret = 1;
+ }
}
return ret;
@@ -1219,15 +1216,6 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
time_left = tegra_i2c_wait_completion_timeout(
i2c_dev, &i2c_dev->dma_complete, xfer_time);
- /*
- * Synchronize DMA first, since dmaengine_terminate_sync()
- * performs synchronization after the transfer's termination
- * and we want to get a completion if transfer succeeded.
- */
- dmaengine_synchronize(i2c_dev->msg_read ?
- i2c_dev->rx_dma_chan :
- i2c_dev->tx_dma_chan);
-
dmaengine_terminate_sync(i2c_dev->msg_read ?
i2c_dev->rx_dma_chan :
i2c_dev->tx_dma_chan);
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index a66912782064..1f1442dfcad7 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -7,7 +7,7 @@
* Mux support by Rodolfo Giometti <giometti@enneenne.com> and
* Michael Lawnick <michael.lawnick.ext@nsn.com>
*
- * Copyright (C) 2013-2017 Wolfram Sang <wsa@the-dreams.de>
+ * Copyright (C) 2013-2017 Wolfram Sang <wsa@kernel.org>
*/
#define pr_fmt(fmt) "i2c-core: " fmt
@@ -338,8 +338,10 @@ static int i2c_device_probe(struct device *dev)
} else if (ACPI_COMPANION(dev)) {
irq = i2c_acpi_get_irq(client);
}
- if (irq == -EPROBE_DEFER)
- return irq;
+ if (irq == -EPROBE_DEFER) {
+ status = irq;
+ goto put_sync_adapter;
+ }
if (irq < 0)
irq = 0;
@@ -353,15 +355,19 @@ static int i2c_device_probe(struct device *dev)
*/
if (!driver->id_table &&
!i2c_acpi_match_device(dev->driver->acpi_match_table, client) &&
- !i2c_of_match_device(dev->driver->of_match_table, client))
- return -ENODEV;
+ !i2c_of_match_device(dev->driver->of_match_table, client)) {
+ status = -ENODEV;
+ goto put_sync_adapter;
+ }
if (client->flags & I2C_CLIENT_WAKE) {
int wakeirq;
wakeirq = of_irq_get_byname(dev->of_node, "wakeup");
- if (wakeirq == -EPROBE_DEFER)
- return wakeirq;
+ if (wakeirq == -EPROBE_DEFER) {
+ status = wakeirq;
+ goto put_sync_adapter;
+ }
device_init_wakeup(&client->dev, true);
@@ -408,6 +414,10 @@ err_detach_pm_domain:
err_clear_wakeup_irq:
dev_pm_clear_wake_irq(&client->dev);
device_init_wakeup(&client->dev, false);
+put_sync_adapter:
+ if (client->flags & I2C_CLIENT_HOST_NOTIFY)
+ pm_runtime_put_sync(&client->adapter->dev);
+
return status;
}
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index 6787c1f71483..3ed74aa4b44b 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -5,7 +5,7 @@
* Copyright (C) 2008 Jochen Friedrich <jochen@scram.de>
* based on a previous patch from Jon Smirl <jonsmirl@gmail.com>
*
- * Copyright (C) 2013, 2018 Wolfram Sang <wsa@the-dreams.de>
+ * Copyright (C) 2013, 2018 Wolfram Sang <wsa@kernel.org>
*/
#include <dt-bindings/i2c/i2c.h>
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 0e16490eb3a1..5365199a31f4 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -272,6 +272,7 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev)
err_rollback_available:
device_remove_file(&pdev->dev, &dev_attr_available_masters);
err_rollback:
+ i2c_demux_deactivate_master(priv);
for (j = 0; j < i; j++) {
of_node_put(priv->chan[j].parent_np);
of_changeset_destroy(&priv->chan[j].chgset);
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index d79cd6d54b3a..97f2e29265da 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -1008,7 +1008,6 @@ static int i3c_master_getmrl_locked(struct i3c_master_controller *master,
struct i3c_device_info *info)
{
struct i3c_ccc_cmd_dest dest;
- unsigned int expected_len;
struct i3c_ccc_mrl *mrl;
struct i3c_ccc_cmd cmd;
int ret;
@@ -1024,22 +1023,23 @@ static int i3c_master_getmrl_locked(struct i3c_master_controller *master,
if (!(info->bcr & I3C_BCR_IBI_PAYLOAD))
dest.payload.len -= 1;
- expected_len = dest.payload.len;
i3c_ccc_cmd_init(&cmd, true, I3C_CCC_GETMRL, &dest, 1);
ret = i3c_master_send_ccc_cmd_locked(master, &cmd);
if (ret)
goto out;
- if (dest.payload.len != expected_len) {
+ switch (dest.payload.len) {
+ case 3:
+ info->max_ibi_len = mrl->ibi_len;
+ fallthrough;
+ case 2:
+ info->max_read_len = be16_to_cpu(mrl->read_len);
+ break;
+ default:
ret = -EIO;
goto out;
}
- info->max_read_len = be16_to_cpu(mrl->read_len);
-
- if (info->bcr & I3C_BCR_IBI_PAYLOAD)
- info->max_ibi_len = mrl->ibi_len;
-
out:
i3c_ccc_cmd_dest_cleanup(&dest);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index dcf8b51b47fd..7f17f8303988 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1034,8 +1034,8 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity,
return 0;
}
-static int cdrom_read_tocentry(ide_drive_t *drive, int trackno, int msf_flag,
- int format, char *buf, int buflen)
+static int ide_cdrom_read_tocentry(ide_drive_t *drive, int trackno,
+ int msf_flag, int format, char *buf, int buflen)
{
unsigned char cmd[BLK_MAX_CDB];
@@ -1104,7 +1104,7 @@ int ide_cd_read_toc(ide_drive_t *drive)
sectors_per_frame << SECTOR_SHIFT);
/* first read just the header, so we know how long the TOC is */
- stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,
+ stat = ide_cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr,
sizeof(struct atapi_toc_header));
if (stat)
return stat;
@@ -1121,7 +1121,7 @@ int ide_cd_read_toc(ide_drive_t *drive)
ntracks = MAX_TRACKS;
/* now read the whole schmeer */
- stat = cdrom_read_tocentry(drive, toc->hdr.first_track, 1, 0,
+ stat = ide_cdrom_read_tocentry(drive, toc->hdr.first_track, 1, 0,
(char *)&toc->hdr,
sizeof(struct atapi_toc_header) +
(ntracks + 1) *
@@ -1141,7 +1141,7 @@ int ide_cd_read_toc(ide_drive_t *drive)
* Heiko Eißfeldt.
*/
ntracks = 0;
- stat = cdrom_read_tocentry(drive, CDROM_LEADOUT, 1, 0,
+ stat = ide_cdrom_read_tocentry(drive, CDROM_LEADOUT, 1, 0,
(char *)&toc->hdr,
sizeof(struct atapi_toc_header) +
(ntracks + 1) *
@@ -1181,7 +1181,7 @@ int ide_cd_read_toc(ide_drive_t *drive)
if (toc->hdr.first_track != CDROM_LEADOUT) {
/* read the multisession information */
- stat = cdrom_read_tocentry(drive, 0, 0, 1, (char *)&ms_tmp,
+ stat = ide_cdrom_read_tocentry(drive, 0, 0, 1, (char *)&ms_tmp,
sizeof(ms_tmp));
if (stat)
return stat;
@@ -1195,7 +1195,7 @@ int ide_cd_read_toc(ide_drive_t *drive)
if (drive->atapi_flags & IDE_AFLAG_TOCADDR_AS_BCD) {
/* re-read multisession information using MSF format */
- stat = cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp,
+ stat = ide_cdrom_read_tocentry(drive, 0, 1, 1, (char *)&ms_tmp,
sizeof(ms_tmp));
if (stat)
return stat;
@@ -1305,8 +1305,7 @@ static int ide_cdrom_register(ide_drive_t *drive, int nslots)
if (drive->atapi_flags & IDE_AFLAG_NO_SPEED_SELECT)
devinfo->mask |= CDC_SELECT_SPEED;
- devinfo->disk = info->disk;
- return register_cdrom(devinfo);
+ return register_cdrom(info->disk, devinfo);
}
static int ide_cdrom_probe_capabilities(ide_drive_t *drive)
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index b137f27a34d5..c31f1d2b3b07 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -233,10 +233,13 @@ static ide_startstop_t do_special(ide_drive_t *drive)
void ide_map_sg(ide_drive_t *drive, struct ide_cmd *cmd)
{
ide_hwif_t *hwif = drive->hwif;
- struct scatterlist *sg = hwif->sg_table;
+ struct scatterlist *sg = hwif->sg_table, *last_sg = NULL;
struct request *rq = cmd->rq;
- cmd->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
+ cmd->sg_nents = __blk_rq_map_sg(drive->queue, rq, sg, &last_sg);
+ if (blk_rq_bytes(rq) && (blk_rq_bytes(rq) & rq->q->dma_pad_mask))
+ last_sg->length +=
+ (rq->q->dma_pad_mask & ~blk_rq_bytes(rq)) + 1;
}
EXPORT_SYMBOL_GPL(ide_map_sg);
diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index 66d768d971e1..6e429072e44a 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -980,7 +980,7 @@ static int sca3000_read_data(struct sca3000_state *st,
st->tx[0] = SCA3000_READ_REG(reg_address_high);
ret = spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
if (ret) {
- dev_err(get_device(&st->us->dev), "problem reading register");
+ dev_err(&st->us->dev, "problem reading register\n");
return ret;
}
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 02981f3d1794..08ba1a8f05eb 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -125,10 +125,10 @@
#define AD7193_CH_AINCOM 0x600 /* AINCOM - AINCOM */
/* ID Register Bit Designations (AD7192_REG_ID) */
-#define ID_AD7190 0x4
-#define ID_AD7192 0x0
-#define ID_AD7193 0x2
-#define ID_AD7195 0x6
+#define CHIPID_AD7190 0x4
+#define CHIPID_AD7192 0x0
+#define CHIPID_AD7193 0x2
+#define CHIPID_AD7195 0x6
#define AD7192_ID_MASK 0x0F
/* GPOCON Register Bit Designations (AD7192_REG_GPOCON) */
@@ -161,7 +161,20 @@ enum {
AD7192_SYSCALIB_FULL_SCALE,
};
+enum {
+ ID_AD7190,
+ ID_AD7192,
+ ID_AD7193,
+ ID_AD7195,
+};
+
+struct ad7192_chip_info {
+ unsigned int chip_id;
+ const char *name;
+};
+
struct ad7192_state {
+ const struct ad7192_chip_info *chip_info;
struct regulator *avdd;
struct regulator *dvdd;
struct clk *mclk;
@@ -172,7 +185,6 @@ struct ad7192_state {
u32 conf;
u32 scale_avail[8][2];
u8 gpocon;
- u8 devid;
u8 clock_sel;
struct mutex lock; /* protect sensor state */
u8 syscalib_mode[8];
@@ -348,7 +360,7 @@ static int ad7192_setup(struct ad7192_state *st, struct device_node *np)
id &= AD7192_ID_MASK;
- if (id != st->devid)
+ if (id != st->chip_info->chip_id)
dev_warn(&st->sd.spi->dev, "device ID query failed (0x%X)\n",
id);
@@ -363,7 +375,7 @@ static int ad7192_setup(struct ad7192_state *st, struct device_node *np)
st->mode |= AD7192_MODE_REJ60;
refin2_en = of_property_read_bool(np, "adi,refin2-pins-enable");
- if (refin2_en && st->devid != ID_AD7195)
+ if (refin2_en && st->chip_info->chip_id != CHIPID_AD7195)
st->conf |= AD7192_CONF_REFSEL;
st->conf &= ~AD7192_CONF_CHOP;
@@ -859,12 +871,31 @@ static const struct iio_chan_spec ad7193_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(14),
};
+static const struct ad7192_chip_info ad7192_chip_info_tbl[] = {
+ [ID_AD7190] = {
+ .chip_id = CHIPID_AD7190,
+ .name = "ad7190",
+ },
+ [ID_AD7192] = {
+ .chip_id = CHIPID_AD7192,
+ .name = "ad7192",
+ },
+ [ID_AD7193] = {
+ .chip_id = CHIPID_AD7193,
+ .name = "ad7193",
+ },
+ [ID_AD7195] = {
+ .chip_id = CHIPID_AD7195,
+ .name = "ad7195",
+ },
+};
+
static int ad7192_channels_config(struct iio_dev *indio_dev)
{
struct ad7192_state *st = iio_priv(indio_dev);
- switch (st->devid) {
- case ID_AD7193:
+ switch (st->chip_info->chip_id) {
+ case CHIPID_AD7193:
indio_dev->channels = ad7193_channels;
indio_dev->num_channels = ARRAY_SIZE(ad7193_channels);
break;
@@ -878,10 +909,10 @@ static int ad7192_channels_config(struct iio_dev *indio_dev)
}
static const struct of_device_id ad7192_of_match[] = {
- { .compatible = "adi,ad7190", .data = (void *)ID_AD7190 },
- { .compatible = "adi,ad7192", .data = (void *)ID_AD7192 },
- { .compatible = "adi,ad7193", .data = (void *)ID_AD7193 },
- { .compatible = "adi,ad7195", .data = (void *)ID_AD7195 },
+ { .compatible = "adi,ad7190", .data = &ad7192_chip_info_tbl[ID_AD7190] },
+ { .compatible = "adi,ad7192", .data = &ad7192_chip_info_tbl[ID_AD7192] },
+ { .compatible = "adi,ad7193", .data = &ad7192_chip_info_tbl[ID_AD7193] },
+ { .compatible = "adi,ad7195", .data = &ad7192_chip_info_tbl[ID_AD7195] },
{}
};
MODULE_DEVICE_TABLE(of, ad7192_of_match);
@@ -938,16 +969,16 @@ static int ad7192_probe(struct spi_device *spi)
}
spi_set_drvdata(spi, indio_dev);
- st->devid = (unsigned long)of_device_get_match_data(&spi->dev);
+ st->chip_info = of_device_get_match_data(&spi->dev);
indio_dev->dev.parent = &spi->dev;
- indio_dev->name = spi_get_device_id(spi)->name;
+ indio_dev->name = st->chip_info->name;
indio_dev->modes = INDIO_DIRECT_MODE;
ret = ad7192_channels_config(indio_dev);
if (ret < 0)
goto error_disable_dvdd;
- if (st->devid == ID_AD7195)
+ if (st->chip_info->chip_id == CHIPID_AD7195)
indio_dev->info = &ad7195_info;
else
indio_dev->info = &ad7192_info;
diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index b747db97f78a..e5691e330323 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -542,7 +542,7 @@ static const struct iio_info ad7797_info = {
.read_raw = &ad7793_read_raw,
.write_raw = &ad7793_write_raw,
.write_raw_get_fmt = &ad7793_write_raw_get_fmt,
- .attrs = &ad7793_attribute_group,
+ .attrs = &ad7797_attribute_group,
.validate_trigger = ad_sd_validate_trigger,
};
diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c
index 80c3f963527b..dfc3a306c667 100644
--- a/drivers/iio/adc/stm32-adc.c
+++ b/drivers/iio/adc/stm32-adc.c
@@ -1418,8 +1418,30 @@ static unsigned int stm32_adc_dma_residue(struct stm32_adc *adc)
static void stm32_adc_dma_buffer_done(void *data)
{
struct iio_dev *indio_dev = data;
+ struct stm32_adc *adc = iio_priv(indio_dev);
+ int residue = stm32_adc_dma_residue(adc);
+
+ /*
+ * In DMA mode the trigger services of IIO are not used
+ * (e.g. no call to iio_trigger_poll).
+ * Calling irq handler associated to the hardware trigger is not
+ * relevant as the conversions have already been done. Data
+ * transfers are performed directly in DMA callback instead.
+ * This implementation avoids to call trigger irq handler that
+ * may sleep, in an atomic context (DMA irq handler context).
+ */
+ dev_dbg(&indio_dev->dev, "%s bufi=%d\n", __func__, adc->bufi);
+
+ while (residue >= indio_dev->scan_bytes) {
+ u16 *buffer = (u16 *)&adc->rx_buf[adc->bufi];
- iio_trigger_poll_chained(indio_dev->trig);
+ iio_push_to_buffers(indio_dev, buffer);
+
+ residue -= indio_dev->scan_bytes;
+ adc->bufi += indio_dev->scan_bytes;
+ if (adc->bufi >= adc->rx_buf_sz)
+ adc->bufi = 0;
+ }
}
static int stm32_adc_dma_start(struct iio_dev *indio_dev)
@@ -1790,18 +1812,18 @@ static int stm32_adc_chan_of_init(struct iio_dev *indio_dev)
return 0;
}
-static int stm32_adc_dma_request(struct iio_dev *indio_dev)
+static int stm32_adc_dma_request(struct device *dev, struct iio_dev *indio_dev)
{
struct stm32_adc *adc = iio_priv(indio_dev);
struct dma_slave_config config;
int ret;
- adc->dma_chan = dma_request_chan(&indio_dev->dev, "rx");
+ adc->dma_chan = dma_request_chan(dev, "rx");
if (IS_ERR(adc->dma_chan)) {
ret = PTR_ERR(adc->dma_chan);
if (ret != -ENODEV) {
if (ret != -EPROBE_DEFER)
- dev_err(&indio_dev->dev,
+ dev_err(dev,
"DMA channel request failed with %d\n",
ret);
return ret;
@@ -1845,6 +1867,7 @@ static int stm32_adc_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
struct device *dev = &pdev->dev;
+ irqreturn_t (*handler)(int irq, void *p) = NULL;
struct stm32_adc *adc;
int ret;
@@ -1907,13 +1930,15 @@ static int stm32_adc_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
- ret = stm32_adc_dma_request(indio_dev);
+ ret = stm32_adc_dma_request(dev, indio_dev);
if (ret < 0)
return ret;
+ if (!adc->dma_chan)
+ handler = &stm32_adc_trigger_handler;
+
ret = iio_triggered_buffer_setup(indio_dev,
- &iio_pollfunc_store_time,
- &stm32_adc_trigger_handler,
+ &iio_pollfunc_store_time, handler,
&stm32_adc_buffer_setup_ops);
if (ret) {
dev_err(&pdev->dev, "buffer setup failed\n");
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index 76a60d93fe23..506bf519f64c 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -62,7 +62,7 @@ enum sd_converter_type {
struct stm32_dfsdm_dev_data {
int type;
- int (*init)(struct iio_dev *indio_dev);
+ int (*init)(struct device *dev, struct iio_dev *indio_dev);
unsigned int num_channels;
const struct regmap_config *regmap_cfg;
};
@@ -1365,11 +1365,12 @@ static void stm32_dfsdm_dma_release(struct iio_dev *indio_dev)
}
}
-static int stm32_dfsdm_dma_request(struct iio_dev *indio_dev)
+static int stm32_dfsdm_dma_request(struct device *dev,
+ struct iio_dev *indio_dev)
{
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
- adc->dma_chan = dma_request_chan(&indio_dev->dev, "rx");
+ adc->dma_chan = dma_request_chan(dev, "rx");
if (IS_ERR(adc->dma_chan)) {
int ret = PTR_ERR(adc->dma_chan);
@@ -1425,7 +1426,7 @@ static int stm32_dfsdm_adc_chan_init_one(struct iio_dev *indio_dev,
&adc->dfsdm->ch_list[ch->channel]);
}
-static int stm32_dfsdm_audio_init(struct iio_dev *indio_dev)
+static int stm32_dfsdm_audio_init(struct device *dev, struct iio_dev *indio_dev)
{
struct iio_chan_spec *ch;
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
@@ -1452,10 +1453,10 @@ static int stm32_dfsdm_audio_init(struct iio_dev *indio_dev)
indio_dev->num_channels = 1;
indio_dev->channels = ch;
- return stm32_dfsdm_dma_request(indio_dev);
+ return stm32_dfsdm_dma_request(dev, indio_dev);
}
-static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev)
+static int stm32_dfsdm_adc_init(struct device *dev, struct iio_dev *indio_dev)
{
struct iio_chan_spec *ch;
struct stm32_dfsdm_adc *adc = iio_priv(indio_dev);
@@ -1499,17 +1500,17 @@ static int stm32_dfsdm_adc_init(struct iio_dev *indio_dev)
init_completion(&adc->completion);
/* Optionally request DMA */
- ret = stm32_dfsdm_dma_request(indio_dev);
+ ret = stm32_dfsdm_dma_request(dev, indio_dev);
if (ret) {
if (ret != -ENODEV) {
if (ret != -EPROBE_DEFER)
- dev_err(&indio_dev->dev,
+ dev_err(dev,
"DMA channel request failed with %d\n",
ret);
return ret;
}
- dev_dbg(&indio_dev->dev, "No DMA support\n");
+ dev_dbg(dev, "No DMA support\n");
return 0;
}
@@ -1622,7 +1623,7 @@ static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
adc->dfsdm->fl_list[adc->fl_id].sync_mode = val;
adc->dev_data = dev_data;
- ret = dev_data->init(iio);
+ ret = dev_data->init(dev, iio);
if (ret < 0)
return ret;
diff --git a/drivers/iio/adc/ti-ads8344.c b/drivers/iio/adc/ti-ads8344.c
index 9a460807d46d..8a8792010c20 100644
--- a/drivers/iio/adc/ti-ads8344.c
+++ b/drivers/iio/adc/ti-ads8344.c
@@ -29,19 +29,20 @@ struct ads8344 {
struct mutex lock;
u8 tx_buf ____cacheline_aligned;
- u16 rx_buf;
+ u8 rx_buf[3];
};
-#define ADS8344_VOLTAGE_CHANNEL(chan, si) \
+#define ADS8344_VOLTAGE_CHANNEL(chan, addr) \
{ \
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = chan, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
+ .address = addr, \
}
-#define ADS8344_VOLTAGE_CHANNEL_DIFF(chan1, chan2, si) \
+#define ADS8344_VOLTAGE_CHANNEL_DIFF(chan1, chan2, addr) \
{ \
.type = IIO_VOLTAGE, \
.indexed = 1, \
@@ -50,6 +51,7 @@ struct ads8344 {
.differential = 1, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \
+ .address = addr, \
}
static const struct iio_chan_spec ads8344_channels[] = {
@@ -89,11 +91,11 @@ static int ads8344_adc_conversion(struct ads8344 *adc, int channel,
udelay(9);
- ret = spi_read(spi, &adc->rx_buf, 2);
+ ret = spi_read(spi, adc->rx_buf, sizeof(adc->rx_buf));
if (ret)
return ret;
- return adc->rx_buf;
+ return adc->rx_buf[0] << 9 | adc->rx_buf[1] << 1 | adc->rx_buf[2] >> 7;
}
static int ads8344_read_raw(struct iio_dev *iio,
@@ -105,7 +107,7 @@ static int ads8344_read_raw(struct iio_dev *iio,
switch (mask) {
case IIO_CHAN_INFO_RAW:
mutex_lock(&adc->lock);
- *value = ads8344_adc_conversion(adc, channel->scan_index,
+ *value = ads8344_adc_conversion(adc, channel->address,
channel->differential);
mutex_unlock(&adc->lock);
if (*value < 0)
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index ec227b358cd6..6fd06e4eff73 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -102,6 +102,16 @@ static const unsigned int XADC_ZYNQ_UNMASK_TIMEOUT = 500;
#define XADC_FLAGS_BUFFERED BIT(0)
+/*
+ * The XADC hardware supports a samplerate of up to 1MSPS. Unfortunately it does
+ * not have a hardware FIFO. Which means an interrupt is generated for each
+ * conversion sequence. At 1MSPS sample rate the CPU in ZYNQ7000 is completely
+ * overloaded by the interrupts that it soft-lockups. For this reason the driver
+ * limits the maximum samplerate 150kSPS. At this rate the CPU is fairly busy,
+ * but still responsive.
+ */
+#define XADC_MAX_SAMPLERATE 150000
+
static void xadc_write_reg(struct xadc *xadc, unsigned int reg,
uint32_t val)
{
@@ -674,7 +684,7 @@ static int xadc_trigger_set_state(struct iio_trigger *trigger, bool state)
spin_lock_irqsave(&xadc->lock, flags);
xadc_read_reg(xadc, XADC_AXI_REG_IPIER, &val);
- xadc_write_reg(xadc, XADC_AXI_REG_IPISR, val & XADC_AXI_INT_EOS);
+ xadc_write_reg(xadc, XADC_AXI_REG_IPISR, XADC_AXI_INT_EOS);
if (state)
val |= XADC_AXI_INT_EOS;
else
@@ -722,13 +732,14 @@ static int xadc_power_adc_b(struct xadc *xadc, unsigned int seq_mode)
{
uint16_t val;
+ /* Powerdown the ADC-B when it is not needed. */
switch (seq_mode) {
case XADC_CONF1_SEQ_SIMULTANEOUS:
case XADC_CONF1_SEQ_INDEPENDENT:
- val = XADC_CONF2_PD_ADC_B;
+ val = 0;
break;
default:
- val = 0;
+ val = XADC_CONF2_PD_ADC_B;
break;
}
@@ -797,6 +808,16 @@ static int xadc_preenable(struct iio_dev *indio_dev)
if (ret)
goto err;
+ /*
+ * In simultaneous mode the upper and lower aux channels are samples at
+ * the same time. In this mode the upper 8 bits in the sequencer
+ * register are don't care and the lower 8 bits control two channels
+ * each. As such we must set the bit if either the channel in the lower
+ * group or the upper group is enabled.
+ */
+ if (seq_mode == XADC_CONF1_SEQ_SIMULTANEOUS)
+ scan_mask = ((scan_mask >> 8) | scan_mask) & 0xff0000;
+
ret = xadc_write_adc_reg(xadc, XADC_REG_SEQ(1), scan_mask >> 16);
if (ret)
goto err;
@@ -823,11 +844,27 @@ static const struct iio_buffer_setup_ops xadc_buffer_ops = {
.postdisable = &xadc_postdisable,
};
+static int xadc_read_samplerate(struct xadc *xadc)
+{
+ unsigned int div;
+ uint16_t val16;
+ int ret;
+
+ ret = xadc_read_adc_reg(xadc, XADC_REG_CONF2, &val16);
+ if (ret)
+ return ret;
+
+ div = (val16 & XADC_CONF2_DIV_MASK) >> XADC_CONF2_DIV_OFFSET;
+ if (div < 2)
+ div = 2;
+
+ return xadc_get_dclk_rate(xadc) / div / 26;
+}
+
static int xadc_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan, int *val, int *val2, long info)
{
struct xadc *xadc = iio_priv(indio_dev);
- unsigned int div;
uint16_t val16;
int ret;
@@ -880,41 +917,31 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
*val = -((273150 << 12) / 503975);
return IIO_VAL_INT;
case IIO_CHAN_INFO_SAMP_FREQ:
- ret = xadc_read_adc_reg(xadc, XADC_REG_CONF2, &val16);
- if (ret)
+ ret = xadc_read_samplerate(xadc);
+ if (ret < 0)
return ret;
- div = (val16 & XADC_CONF2_DIV_MASK) >> XADC_CONF2_DIV_OFFSET;
- if (div < 2)
- div = 2;
-
- *val = xadc_get_dclk_rate(xadc) / div / 26;
-
+ *val = ret;
return IIO_VAL_INT;
default:
return -EINVAL;
}
}
-static int xadc_write_raw(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan, int val, int val2, long info)
+static int xadc_write_samplerate(struct xadc *xadc, int val)
{
- struct xadc *xadc = iio_priv(indio_dev);
unsigned long clk_rate = xadc_get_dclk_rate(xadc);
unsigned int div;
if (!clk_rate)
return -EINVAL;
- if (info != IIO_CHAN_INFO_SAMP_FREQ)
- return -EINVAL;
-
if (val <= 0)
return -EINVAL;
/* Max. 150 kSPS */
- if (val > 150000)
- val = 150000;
+ if (val > XADC_MAX_SAMPLERATE)
+ val = XADC_MAX_SAMPLERATE;
val *= 26;
@@ -927,7 +954,7 @@ static int xadc_write_raw(struct iio_dev *indio_dev,
* limit.
*/
div = clk_rate / val;
- if (clk_rate / div / 26 > 150000)
+ if (clk_rate / div / 26 > XADC_MAX_SAMPLERATE)
div++;
if (div < 2)
div = 2;
@@ -938,6 +965,17 @@ static int xadc_write_raw(struct iio_dev *indio_dev,
div << XADC_CONF2_DIV_OFFSET);
}
+static int xadc_write_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int val, int val2, long info)
+{
+ struct xadc *xadc = iio_priv(indio_dev);
+
+ if (info != IIO_CHAN_INFO_SAMP_FREQ)
+ return -EINVAL;
+
+ return xadc_write_samplerate(xadc, val);
+}
+
static const struct iio_event_spec xadc_temp_events[] = {
{
.type = IIO_EV_TYPE_THRESH,
@@ -1223,6 +1261,21 @@ static int xadc_probe(struct platform_device *pdev)
if (ret)
goto err_free_samplerate_trigger;
+ /*
+ * Make sure not to exceed the maximum samplerate since otherwise the
+ * resulting interrupt storm will soft-lock the system.
+ */
+ if (xadc->ops->flags & XADC_FLAGS_BUFFERED) {
+ ret = xadc_read_samplerate(xadc);
+ if (ret < 0)
+ goto err_free_samplerate_trigger;
+ if (ret > XADC_MAX_SAMPLERATE) {
+ ret = xadc_write_samplerate(xadc, XADC_MAX_SAMPLERATE);
+ if (ret < 0)
+ goto err_free_samplerate_trigger;
+ }
+ }
+
ret = request_irq(xadc->irq, xadc->ops->interrupt_handler, 0,
dev_name(&pdev->dev), indio_dev);
if (ret)
diff --git a/drivers/iio/chemical/atlas-sensor.c b/drivers/iio/chemical/atlas-sensor.c
index 82d470561ad3..7b199ce16ecf 100644
--- a/drivers/iio/chemical/atlas-sensor.c
+++ b/drivers/iio/chemical/atlas-sensor.c
@@ -194,7 +194,19 @@ static const struct iio_chan_spec atlas_orp_channels[] = {
};
static const struct iio_chan_spec atlas_do_channels[] = {
- ATLAS_CONCENTRATION_CHANNEL(0, ATLAS_REG_DO_DATA),
+ {
+ .type = IIO_CONCENTRATION,
+ .address = ATLAS_REG_DO_DATA,
+ .info_mask_separate =
+ BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
+ .scan_index = 0,
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 32,
+ .storagebits = 32,
+ .endianness = IIO_BE,
+ },
+ },
IIO_CHAN_SOFT_TIMESTAMP(1),
{
.type = IIO_TEMP,
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
index 0e35ff06f9af..13bdfbbf5f71 100644
--- a/drivers/iio/common/st_sensors/st_sensors_core.c
+++ b/drivers/iio/common/st_sensors/st_sensors_core.c
@@ -79,7 +79,7 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr)
struct st_sensor_odr_avl odr_out = {0, 0};
struct st_sensor_data *sdata = iio_priv(indio_dev);
- if (!sdata->sensor_settings->odr.addr)
+ if (!sdata->sensor_settings->odr.mask)
return 0;
err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out);
diff --git a/drivers/iio/dac/ad5761.c b/drivers/iio/dac/ad5761.c
index 4fb42b743f0f..7468fbd11684 100644
--- a/drivers/iio/dac/ad5761.c
+++ b/drivers/iio/dac/ad5761.c
@@ -3,7 +3,7 @@
* AD5721, AD5721R, AD5761, AD5761R, Voltage Output Digital to Analog Converter
*
* Copyright 2016 Qtechnology A/S
- * 2016 Ricardo Ribalda <ricardo.ribalda@gmail.com>
+ * 2016 Ricardo Ribalda <ribalda@kernel.org>
*/
#include <linux/kernel.h>
#include <linux/module.h>
@@ -423,6 +423,6 @@ static struct spi_driver ad5761_driver = {
};
module_spi_driver(ad5761_driver);
-MODULE_AUTHOR("Ricardo Ribalda <ricardo.ribalda@gmail.com>");
+MODULE_AUTHOR("Ricardo Ribalda <ribalda@kernel.org>");
MODULE_DESCRIPTION("Analog Devices AD5721, AD5721R, AD5761, AD5761R driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/dac/ad5770r.c b/drivers/iio/dac/ad5770r.c
index a98ea76732e7..2d7623b9b2c0 100644
--- a/drivers/iio/dac/ad5770r.c
+++ b/drivers/iio/dac/ad5770r.c
@@ -525,7 +525,7 @@ static int ad5770r_channel_config(struct ad5770r_state *st)
ret = fwnode_property_read_u32(child, "num", &num);
if (ret)
return ret;
- if (num > AD5770R_MAX_CHANNELS)
+ if (num >= AD5770R_MAX_CHANNELS)
return -EINVAL;
ret = fwnode_property_read_u32_array(child,
diff --git a/drivers/iio/dac/ti-dac7612.c b/drivers/iio/dac/ti-dac7612.c
index c46805144dd4..de0c6573cd97 100644
--- a/drivers/iio/dac/ti-dac7612.c
+++ b/drivers/iio/dac/ti-dac7612.c
@@ -3,7 +3,7 @@
* DAC7612 Dual, 12-Bit Serial input Digital-to-Analog Converter
*
* Copyright 2019 Qtechnology A/S
- * 2019 Ricardo Ribalda <ricardo@ribalda.com>
+ * 2019 Ricardo Ribalda <ribalda@kernel.org>
*
* Licensed under the GPL-2.
*/
@@ -179,6 +179,6 @@ static struct spi_driver dac7612_driver = {
};
module_spi_driver(dac7612_driver);
-MODULE_AUTHOR("Ricardo Ribalda <ricardo@ribalda.com>");
+MODULE_AUTHOR("Ricardo Ribalda <ribalda@kernel.org>");
MODULE_DESCRIPTION("Texas Instruments DAC7612 DAC driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/iio/dac/vf610_dac.c b/drivers/iio/dac/vf610_dac.c
index 71f8a5c471c4..7f1e9317c3f3 100644
--- a/drivers/iio/dac/vf610_dac.c
+++ b/drivers/iio/dac/vf610_dac.c
@@ -223,6 +223,7 @@ static int vf610_dac_probe(struct platform_device *pdev)
return 0;
error_iio_device_register:
+ vf610_dac_exit(info);
clk_disable_unprepare(info->clk);
return ret;
diff --git a/drivers/iio/dummy/iio_dummy_evgen.c b/drivers/iio/dummy/iio_dummy_evgen.c
index a6edf30567aa..ee85d596e528 100644
--- a/drivers/iio/dummy/iio_dummy_evgen.c
+++ b/drivers/iio/dummy/iio_dummy_evgen.c
@@ -37,8 +37,7 @@ struct iio_dummy_eventgen {
struct iio_dummy_regs regs[IIO_EVENTGEN_NO];
struct mutex lock;
bool inuse[IIO_EVENTGEN_NO];
- struct irq_sim irq_sim;
- int base;
+ struct irq_domain *irq_sim_domain;
};
/* We can only ever have one instance of this 'device' */
@@ -52,13 +51,14 @@ static int iio_dummy_evgen_create(void)
if (!iio_evgen)
return -ENOMEM;
- ret = irq_sim_init(&iio_evgen->irq_sim, IIO_EVENTGEN_NO);
- if (ret < 0) {
+ iio_evgen->irq_sim_domain = irq_domain_create_sim(NULL,
+ IIO_EVENTGEN_NO);
+ if (IS_ERR(iio_evgen->irq_sim_domain)) {
+ ret = PTR_ERR(iio_evgen->irq_sim_domain);
kfree(iio_evgen);
return ret;
}
- iio_evgen->base = irq_sim_irqnum(&iio_evgen->irq_sim, 0);
mutex_init(&iio_evgen->lock);
return 0;
@@ -80,7 +80,7 @@ int iio_dummy_evgen_get_irq(void)
mutex_lock(&iio_evgen->lock);
for (i = 0; i < IIO_EVENTGEN_NO; i++) {
if (!iio_evgen->inuse[i]) {
- ret = irq_sim_irqnum(&iio_evgen->irq_sim, i);
+ ret = irq_create_mapping(iio_evgen->irq_sim_domain, i);
iio_evgen->inuse[i] = true;
break;
}
@@ -101,21 +101,27 @@ EXPORT_SYMBOL_GPL(iio_dummy_evgen_get_irq);
*/
void iio_dummy_evgen_release_irq(int irq)
{
+ struct irq_data *irqd = irq_get_irq_data(irq);
+
mutex_lock(&iio_evgen->lock);
- iio_evgen->inuse[irq - iio_evgen->base] = false;
+ iio_evgen->inuse[irqd_to_hwirq(irqd)] = false;
+ irq_dispose_mapping(irq);
mutex_unlock(&iio_evgen->lock);
}
EXPORT_SYMBOL_GPL(iio_dummy_evgen_release_irq);
struct iio_dummy_regs *iio_dummy_evgen_get_regs(int irq)
{
- return &iio_evgen->regs[irq - iio_evgen->base];
+ struct irq_data *irqd = irq_get_irq_data(irq);
+
+ return &iio_evgen->regs[irqd_to_hwirq(irqd)];
+
}
EXPORT_SYMBOL_GPL(iio_dummy_evgen_get_regs);
static void iio_dummy_evgen_free(void)
{
- irq_sim_fini(&iio_evgen->irq_sim);
+ irq_domain_remove_sim(iio_evgen->irq_sim_domain);
kfree(iio_evgen);
}
@@ -131,7 +137,7 @@ static ssize_t iio_evgen_poke(struct device *dev,
{
struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
unsigned long event;
- int ret;
+ int ret, irq;
ret = kstrtoul(buf, 10, &event);
if (ret)
@@ -140,7 +146,10 @@ static ssize_t iio_evgen_poke(struct device *dev,
iio_evgen->regs[this_attr->address].reg_id = this_attr->address;
iio_evgen->regs[this_attr->address].reg_data = event;
- irq_sim_fire(&iio_evgen->irq_sim, this_attr->address);
+ irq = irq_find_mapping(iio_evgen->irq_sim_domain, this_attr->address);
+ ret = irq_set_irqchip_state(irq, IRQCHIP_STATE_PENDING, true);
+ if (ret)
+ return ret;
return len;
}
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 7cb9ff3d3e94..0b8d2f7a0165 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -1617,6 +1617,10 @@ static int __maybe_unused inv_mpu_resume(struct device *dev)
if (result)
goto out_unlock;
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
result = inv_mpu6050_switch_engine(st, true, st->suspended_sensors);
if (result)
goto out_unlock;
@@ -1638,13 +1642,18 @@ static int __maybe_unused inv_mpu_suspend(struct device *dev)
mutex_lock(&st->lock);
+ st->suspended_sensors = 0;
+ if (pm_runtime_suspended(dev)) {
+ result = 0;
+ goto out_unlock;
+ }
+
if (iio_buffer_enabled(indio_dev)) {
result = inv_mpu6050_prepare_fifo(st, false);
if (result)
goto out_unlock;
}
- st->suspended_sensors = 0;
if (st->chip_config.accl_en)
st->suspended_sensors |= INV_MPU6050_SENSOR_ACCL;
if (st->chip_config.gyro_en)
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index f2113a63721a..41cb20cb3809 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -337,6 +337,7 @@ enum st_lsm6dsx_fifo_mode {
* @gain: Configured sensor sensitivity.
* @odr: Output data rate of the sensor [Hz].
* @watermark: Sensor watermark level.
+ * @decimator: Sensor decimation factor.
* @sip: Number of samples in a given pattern.
* @ts_ref: Sensor timestamp reference for hw one.
* @ext_info: Sensor settings if it is connected to i2c controller
@@ -350,11 +351,13 @@ struct st_lsm6dsx_sensor {
u32 odr;
u16 watermark;
+ u8 decimator;
u8 sip;
s64 ts_ref;
struct {
const struct st_lsm6dsx_ext_dev_settings *settings;
+ u32 slv_odr;
u8 addr;
} ext_info;
};
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index bb899345f2bb..afd00daeefb2 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -93,6 +93,7 @@ st_lsm6dsx_get_decimator_val(struct st_lsm6dsx_sensor *sensor, u32 max_odr)
break;
}
+ sensor->decimator = decimator;
return i == max_size ? 0 : st_lsm6dsx_decimator_table[i].val;
}
@@ -337,7 +338,7 @@ static inline int st_lsm6dsx_read_block(struct st_lsm6dsx_hw *hw, u8 addr,
int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
{
struct st_lsm6dsx_sensor *acc_sensor, *gyro_sensor, *ext_sensor = NULL;
- int err, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset;
+ int err, sip, acc_sip, gyro_sip, ts_sip, ext_sip, read_len, offset;
u16 fifo_len, pattern_len = hw->sip * ST_LSM6DSX_SAMPLE_SIZE;
u16 fifo_diff_mask = hw->settings->fifo_ops.fifo_diff.mask;
u8 gyro_buff[ST_LSM6DSX_IIO_BUFF_SIZE];
@@ -399,19 +400,20 @@ int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
acc_sip = acc_sensor->sip;
ts_sip = hw->ts_sip;
offset = 0;
+ sip = 0;
while (acc_sip > 0 || gyro_sip > 0 || ext_sip > 0) {
- if (gyro_sip > 0) {
+ if (gyro_sip > 0 && !(sip % gyro_sensor->decimator)) {
memcpy(gyro_buff, &hw->buff[offset],
ST_LSM6DSX_SAMPLE_SIZE);
offset += ST_LSM6DSX_SAMPLE_SIZE;
}
- if (acc_sip > 0) {
+ if (acc_sip > 0 && !(sip % acc_sensor->decimator)) {
memcpy(acc_buff, &hw->buff[offset],
ST_LSM6DSX_SAMPLE_SIZE);
offset += ST_LSM6DSX_SAMPLE_SIZE;
}
- if (ext_sip > 0) {
+ if (ext_sip > 0 && !(sip % ext_sensor->decimator)) {
memcpy(ext_buff, &hw->buff[offset],
ST_LSM6DSX_SAMPLE_SIZE);
offset += ST_LSM6DSX_SAMPLE_SIZE;
@@ -441,18 +443,25 @@ int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw)
offset += ST_LSM6DSX_SAMPLE_SIZE;
}
- if (gyro_sip-- > 0)
+ if (gyro_sip > 0 && !(sip % gyro_sensor->decimator)) {
iio_push_to_buffers_with_timestamp(
hw->iio_devs[ST_LSM6DSX_ID_GYRO],
gyro_buff, gyro_sensor->ts_ref + ts);
- if (acc_sip-- > 0)
+ gyro_sip--;
+ }
+ if (acc_sip > 0 && !(sip % acc_sensor->decimator)) {
iio_push_to_buffers_with_timestamp(
hw->iio_devs[ST_LSM6DSX_ID_ACC],
acc_buff, acc_sensor->ts_ref + ts);
- if (ext_sip-- > 0)
+ acc_sip--;
+ }
+ if (ext_sip > 0 && !(sip % ext_sensor->decimator)) {
iio_push_to_buffers_with_timestamp(
hw->iio_devs[ST_LSM6DSX_ID_EXT0],
ext_buff, ext_sensor->ts_ref + ts);
+ ext_sip--;
+ }
+ sip++;
}
}
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 84d219ae6aee..4426524b59f2 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -2036,11 +2036,21 @@ static int st_lsm6dsx_init_hw_timer(struct st_lsm6dsx_hw *hw)
return 0;
}
-static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
+static int st_lsm6dsx_reset_device(struct st_lsm6dsx_hw *hw)
{
const struct st_lsm6dsx_reg *reg;
int err;
+ /*
+ * flush hw FIFO before device reset in order to avoid
+ * possible races on interrupt line 1. If the first interrupt
+ * line is asserted during hw reset the device will work in
+ * I3C-only mode (if it is supported)
+ */
+ err = st_lsm6dsx_flush_fifo(hw);
+ if (err < 0 && err != -ENOTSUPP)
+ return err;
+
/* device sw reset */
reg = &hw->settings->reset;
err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
@@ -2059,6 +2069,18 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
msleep(50);
+ return 0;
+}
+
+static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
+{
+ const struct st_lsm6dsx_reg *reg;
+ int err;
+
+ err = st_lsm6dsx_reset_device(hw);
+ if (err < 0)
+ return err;
+
/* enable Block Data Update */
reg = &hw->settings->bdu;
err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
index 95ddd19d1aa7..1cf98195f84d 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c
@@ -421,7 +421,8 @@ int st_lsm6dsx_shub_set_enable(struct st_lsm6dsx_sensor *sensor, bool enable)
settings = sensor->ext_info.settings;
if (enable) {
- err = st_lsm6dsx_shub_set_odr(sensor, sensor->odr);
+ err = st_lsm6dsx_shub_set_odr(sensor,
+ sensor->ext_info.slv_odr);
if (err < 0)
return err;
} else {
@@ -459,7 +460,7 @@ st_lsm6dsx_shub_read_oneshot(struct st_lsm6dsx_sensor *sensor,
if (err < 0)
return err;
- delay = 1000000000 / sensor->odr;
+ delay = 1000000000 / sensor->ext_info.slv_odr;
usleep_range(delay, 2 * delay);
len = min_t(int, sizeof(data), ch->scan_type.realbits >> 3);
@@ -500,8 +501,8 @@ st_lsm6dsx_shub_read_raw(struct iio_dev *iio_dev,
iio_device_release_direct_mode(iio_dev);
break;
case IIO_CHAN_INFO_SAMP_FREQ:
- *val = sensor->odr / 1000;
- *val2 = (sensor->odr % 1000) * 1000;
+ *val = sensor->ext_info.slv_odr / 1000;
+ *val2 = (sensor->ext_info.slv_odr % 1000) * 1000;
ret = IIO_VAL_INT_PLUS_MICRO;
break;
case IIO_CHAN_INFO_SCALE:
@@ -535,8 +536,22 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
val = val * 1000 + val2 / 1000;
err = st_lsm6dsx_shub_get_odr_val(sensor, val, &data);
- if (!err)
- sensor->odr = val;
+ if (!err) {
+ struct st_lsm6dsx_hw *hw = sensor->hw;
+ struct st_lsm6dsx_sensor *ref_sensor;
+ u8 odr_val;
+ int odr;
+
+ ref_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]);
+ odr = st_lsm6dsx_check_odr(ref_sensor, val, &odr_val);
+ if (odr < 0) {
+ err = odr;
+ goto release;
+ }
+
+ sensor->ext_info.slv_odr = val;
+ sensor->odr = odr;
+ }
break;
}
default:
@@ -544,6 +559,7 @@ st_lsm6dsx_shub_write_raw(struct iio_dev *iio_dev,
break;
}
+release:
iio_device_release_direct_mode(iio_dev);
return err;
@@ -613,6 +629,7 @@ st_lsm6dsx_shub_alloc_iiodev(struct st_lsm6dsx_hw *hw,
const struct st_lsm6dsx_ext_dev_settings *info,
u8 i2c_addr, const char *name)
{
+ enum st_lsm6dsx_sensor_id ref_id = ST_LSM6DSX_ID_ACC;
struct iio_chan_spec *ext_channels;
struct st_lsm6dsx_sensor *sensor;
struct iio_dev *iio_dev;
@@ -628,7 +645,8 @@ st_lsm6dsx_shub_alloc_iiodev(struct st_lsm6dsx_hw *hw,
sensor = iio_priv(iio_dev);
sensor->id = id;
sensor->hw = hw;
- sensor->odr = info->odr_table.odr_avl[0].milli_hz;
+ sensor->odr = hw->settings->odr_table[ref_id].odr_avl[0].milli_hz;
+ sensor->ext_info.slv_odr = info->odr_table.odr_avl[0].milli_hz;
sensor->gain = info->fs_table.fs_avl[0].gain;
sensor->ext_info.settings = info;
sensor->ext_info.addr = i2c_addr;
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 2352c426bfb5..24f7bbff4938 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -915,14 +915,11 @@ static ssize_t iio_write_channel_info(struct device *dev,
return -EINVAL;
integer = ch;
} else {
- ret = iio_str_to_fixpoint(buf, fract_mult, &integer, &fract);
+ ret = __iio_str_to_fixpoint(buf, fract_mult, &integer, &fract,
+ scale_db);
if (ret)
return ret;
}
- ret = __iio_str_to_fixpoint(buf, fract_mult, &integer, &fract,
- scale_db);
- if (ret)
- return ret;
ret = indio_dev->info->write_raw(indio_dev, this_attr->c,
integer, fract, this_attr->address);
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 717b798cddad..a670209bbce6 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -1553,8 +1553,11 @@ int ib_cache_setup_one(struct ib_device *device)
if (err)
return err;
- rdma_for_each_port (device, p)
- ib_cache_update(device, p, true);
+ rdma_for_each_port (device, p) {
+ err = ib_cache_update(device, p, true);
+ if (err)
+ return err;
+ }
return 0;
}
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 4794113ecd59..17f14e0eafe4 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -862,7 +862,7 @@ static struct cm_id_private *cm_alloc_id_priv(struct ib_device *device,
ret = xa_alloc_cyclic_irq(&cm.local_id_table, &id, NULL, xa_limit_32b,
&cm.local_id_next, GFP_KERNEL);
- if (ret)
+ if (ret < 0)
goto error;
cm_id_priv->id.local_id = (__force __be32)id ^ cm.random_id_operand;
@@ -1828,11 +1828,9 @@ static void cm_format_mra(struct cm_mra_msg *mra_msg,
static void cm_format_rej(struct cm_rej_msg *rej_msg,
struct cm_id_private *cm_id_priv,
- enum ib_cm_rej_reason reason,
- void *ari,
- u8 ari_length,
- const void *private_data,
- u8 private_data_len)
+ enum ib_cm_rej_reason reason, void *ari,
+ u8 ari_length, const void *private_data,
+ u8 private_data_len, enum ib_cm_state state)
{
lockdep_assert_held(&cm_id_priv->lock);
@@ -1840,7 +1838,7 @@ static void cm_format_rej(struct cm_rej_msg *rej_msg,
IBA_SET(CM_REJ_REMOTE_COMM_ID, rej_msg,
be32_to_cpu(cm_id_priv->id.remote_id));
- switch(cm_id_priv->id.state) {
+ switch (state) {
case IB_CM_REQ_RCVD:
IBA_SET(CM_REJ_LOCAL_COMM_ID, rej_msg, be32_to_cpu(0));
IBA_SET(CM_REJ_MESSAGE_REJECTED, rej_msg, CM_MSG_RESPONSE_REQ);
@@ -1905,8 +1903,9 @@ static void cm_dup_req_handler(struct cm_work *work,
cm_id_priv->private_data_len);
break;
case IB_CM_TIMEWAIT:
- cm_format_rej((struct cm_rej_msg *) msg->mad, cm_id_priv,
- IB_CM_REJ_STALE_CONN, NULL, 0, NULL, 0);
+ cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv,
+ IB_CM_REJ_STALE_CONN, NULL, 0, NULL, 0,
+ IB_CM_TIMEWAIT);
break;
default:
goto unlock;
@@ -2904,6 +2903,7 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
u8 ari_length, const void *private_data,
u8 private_data_len)
{
+ enum ib_cm_state state = cm_id_priv->id.state;
struct ib_mad_send_buf *msg;
int ret;
@@ -2913,7 +2913,7 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
(ari && ari_length > IB_CM_REJ_ARI_LENGTH))
return -EINVAL;
- switch (cm_id_priv->id.state) {
+ switch (state) {
case IB_CM_REQ_SENT:
case IB_CM_MRA_REQ_RCVD:
case IB_CM_REQ_RCVD:
@@ -2925,7 +2925,8 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
if (ret)
return ret;
cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv, reason,
- ari, ari_length, private_data, private_data_len);
+ ari, ari_length, private_data, private_data_len,
+ state);
break;
case IB_CM_REP_SENT:
case IB_CM_MRA_REP_RCVD:
@@ -2934,7 +2935,8 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv,
if (ret)
return ret;
cm_format_rej((struct cm_rej_msg *)msg->mad, cm_id_priv, reason,
- ari, ari_length, private_data, private_data_len);
+ ari, ari_length, private_data, private_data_len,
+ state);
break;
default:
pr_debug("%s: local_id %d, cm_id->state: %d\n", __func__,
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 9eec26d10d7b..e16105be2eb2 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -1292,11 +1292,10 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
has_cap_net_admin = netlink_capable(skb, CAP_NET_ADMIN);
ret = fill_func(msg, has_cap_net_admin, res, port);
-
- rdma_restrack_put(res);
if (ret)
goto err_free;
+ rdma_restrack_put(res);
nlmsg_end(msg, nlh);
ib_device_put(device);
return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
diff --git a/drivers/infiniband/core/rdma_core.c b/drivers/infiniband/core/rdma_core.c
index 5128cb16bb48..e0a5e897e4b1 100644
--- a/drivers/infiniband/core/rdma_core.c
+++ b/drivers/infiniband/core/rdma_core.c
@@ -153,9 +153,9 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj,
uobj->context = NULL;
/*
- * For DESTROY the usecnt is held write locked, the caller is expected
- * to put it unlock and put the object when done with it. Only DESTROY
- * can remove the IDR handle.
+ * For DESTROY the usecnt is not changed, the caller is expected to
+ * manage it via uobj_put_destroy(). Only DESTROY can remove the IDR
+ * handle.
*/
if (reason != RDMA_REMOVE_DESTROY)
atomic_set(&uobj->usecnt, 0);
@@ -187,7 +187,7 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj,
/*
* This calls uverbs_destroy_uobject() using the RDMA_REMOVE_DESTROY
* sequence. It should only be used from command callbacks. On success the
- * caller must pair this with rdma_lookup_put_uobject(LOOKUP_WRITE). This
+ * caller must pair this with uobj_put_destroy(). This
* version requires the caller to have already obtained an
* LOOKUP_DESTROY uobject kref.
*/
@@ -198,6 +198,13 @@ int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
down_read(&ufile->hw_destroy_rwsem);
+ /*
+ * Once the uobject is destroyed by RDMA_REMOVE_DESTROY then it is left
+ * write locked as the callers put it back with UVERBS_LOOKUP_DESTROY.
+ * This is because any other concurrent thread can still see the object
+ * in the xarray due to RCU. Leaving it locked ensures nothing else will
+ * touch it.
+ */
ret = uverbs_try_lock_object(uobj, UVERBS_LOOKUP_WRITE);
if (ret)
goto out_unlock;
@@ -216,7 +223,7 @@ out_unlock:
/*
* uobj_get_destroy destroys the HW object and returns a handle to the uobj
* with a NULL object pointer. The caller must pair this with
- * uverbs_put_destroy.
+ * uobj_put_destroy().
*/
struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
u32 id, struct uverbs_attr_bundle *attrs)
@@ -250,8 +257,7 @@ int __uobj_perform_destroy(const struct uverbs_api_object *obj, u32 id,
uobj = __uobj_get_destroy(obj, id, attrs);
if (IS_ERR(uobj))
return PTR_ERR(uobj);
-
- rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
+ uobj_put_destroy(uobj);
return 0;
}
@@ -360,7 +366,7 @@ lookup_get_fd_uobject(const struct uverbs_api_object *obj,
* uverbs_uobject_fd_release(), and the caller is expected to ensure
* that release is never done while a call to lookup is possible.
*/
- if (f->f_op != fd_type->fops) {
+ if (f->f_op != fd_type->fops || uobject->ufile != ufile) {
fput(f);
return ERR_PTR(-EBADF);
}
@@ -459,7 +465,8 @@ alloc_begin_fd_uobject(const struct uverbs_api_object *obj,
struct ib_uobject *uobj;
struct file *filp;
- if (WARN_ON(fd_type->fops->release != &uverbs_uobject_fd_release))
+ if (WARN_ON(fd_type->fops->release != &uverbs_uobject_fd_release &&
+ fd_type->fops->release != &uverbs_async_event_release))
return ERR_PTR(-EINVAL);
new_fd = get_unused_fd_flags(O_CLOEXEC);
@@ -474,16 +481,15 @@ alloc_begin_fd_uobject(const struct uverbs_api_object *obj,
filp = anon_inode_getfile(fd_type->name, fd_type->fops, NULL,
fd_type->flags);
if (IS_ERR(filp)) {
+ uverbs_uobject_put(uobj);
uobj = ERR_CAST(filp);
- goto err_uobj;
+ goto err_fd;
}
uobj->object = filp;
uobj->id = new_fd;
return uobj;
-err_uobj:
- uverbs_uobject_put(uobj);
err_fd:
put_unused_fd(new_fd);
return uobj;
@@ -679,7 +685,6 @@ void rdma_lookup_put_uobject(struct ib_uobject *uobj,
enum rdma_lookup_mode mode)
{
assert_uverbs_usecnt(uobj, mode);
- uobj->uapi_object->type_class->lookup_put(uobj, mode);
/*
* In order to unlock an object, either decrease its usecnt for
* read access or zero it in case of exclusive access. See
@@ -696,6 +701,7 @@ void rdma_lookup_put_uobject(struct ib_uobject *uobj,
break;
}
+ uobj->uapi_object->type_class->lookup_put(uobj, mode);
/* Pairs with the kref obtained by type->lookup_get */
uverbs_uobject_put(uobj);
}
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index 7df71983212d..3d189c7ee59e 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -219,6 +219,7 @@ void ib_uverbs_init_event_queue(struct ib_uverbs_event_queue *ev_queue);
void ib_uverbs_init_async_event_file(struct ib_uverbs_async_event_file *ev_file);
void ib_uverbs_free_event_queue(struct ib_uverbs_event_queue *event_queue);
void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res);
+int uverbs_async_event_release(struct inode *inode, struct file *filp);
int ib_alloc_ucontext(struct uverbs_attr_bundle *attrs);
int ib_init_ucontext(struct uverbs_attr_bundle *attrs);
@@ -227,6 +228,9 @@ void ib_uverbs_release_ucq(struct ib_uverbs_completion_event_file *ev_file,
struct ib_ucq_object *uobj);
void ib_uverbs_release_uevent(struct ib_uevent_object *uobj);
void ib_uverbs_release_file(struct kref *ref);
+void ib_uverbs_async_handler(struct ib_uverbs_async_event_file *async_file,
+ __u64 element, __u64 event,
+ struct list_head *obj_list, u32 *counter);
void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context);
void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr);
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 2d4083bf4a04..1bab8de14757 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -346,7 +346,7 @@ const struct file_operations uverbs_async_event_fops = {
.owner = THIS_MODULE,
.read = ib_uverbs_async_event_read,
.poll = ib_uverbs_async_event_poll,
- .release = uverbs_uobject_fd_release,
+ .release = uverbs_async_event_release,
.fasync = ib_uverbs_async_event_fasync,
.llseek = no_llseek,
};
@@ -386,10 +386,9 @@ void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context)
kill_fasync(&ev_queue->async_queue, SIGIO, POLL_IN);
}
-static void
-ib_uverbs_async_handler(struct ib_uverbs_async_event_file *async_file,
- __u64 element, __u64 event, struct list_head *obj_list,
- u32 *counter)
+void ib_uverbs_async_handler(struct ib_uverbs_async_event_file *async_file,
+ __u64 element, __u64 event,
+ struct list_head *obj_list, u32 *counter)
{
struct ib_uverbs_event *entry;
unsigned long flags;
@@ -820,6 +819,10 @@ void uverbs_user_mmap_disassociate(struct ib_uverbs_file *ufile)
ret = mmget_not_zero(mm);
if (!ret) {
list_del_init(&priv->list);
+ if (priv->entry) {
+ rdma_user_mmap_entry_put(priv->entry);
+ priv->entry = NULL;
+ }
mm = NULL;
continue;
}
@@ -1183,9 +1186,6 @@ static void ib_uverbs_free_hw_resources(struct ib_uverbs_device *uverbs_dev,
*/
mutex_unlock(&uverbs_dev->lists_mutex);
- ib_uverbs_async_handler(READ_ONCE(file->async_file), 0,
- IB_EVENT_DEVICE_FATAL, NULL, NULL);
-
uverbs_destroy_ufile_hw(file, RDMA_REMOVE_DRIVER_REMOVE);
kref_put(&file->ref, ib_uverbs_release_file);
diff --git a/drivers/infiniband/core/uverbs_std_types_async_fd.c b/drivers/infiniband/core/uverbs_std_types_async_fd.c
index 82ec0806b34b..61899eaf1f91 100644
--- a/drivers/infiniband/core/uverbs_std_types_async_fd.c
+++ b/drivers/infiniband/core/uverbs_std_types_async_fd.c
@@ -26,10 +26,38 @@ static int uverbs_async_event_destroy_uobj(struct ib_uobject *uobj,
container_of(uobj, struct ib_uverbs_async_event_file, uobj);
ib_unregister_event_handler(&event_file->event_handler);
- ib_uverbs_free_event_queue(&event_file->ev_queue);
+
+ if (why == RDMA_REMOVE_DRIVER_REMOVE)
+ ib_uverbs_async_handler(event_file, 0, IB_EVENT_DEVICE_FATAL,
+ NULL, NULL);
return 0;
}
+int uverbs_async_event_release(struct inode *inode, struct file *filp)
+{
+ struct ib_uverbs_async_event_file *event_file;
+ struct ib_uobject *uobj = filp->private_data;
+ int ret;
+
+ if (!uobj)
+ return uverbs_uobject_fd_release(inode, filp);
+
+ event_file =
+ container_of(uobj, struct ib_uverbs_async_event_file, uobj);
+
+ /*
+ * The async event FD has to deliver IB_EVENT_DEVICE_FATAL even after
+ * disassociation, so cleaning the event list must only happen after
+ * release. The user knows it has reached the end of the event stream
+ * when it sees IB_EVENT_DEVICE_FATAL.
+ */
+ uverbs_uobject_get(uobj);
+ ret = uverbs_uobject_fd_release(inode, filp);
+ ib_uverbs_free_event_queue(&event_file->ev_queue);
+ uverbs_uobject_put(uobj);
+ return ret;
+}
+
DECLARE_UVERBS_NAMED_METHOD(
UVERBS_METHOD_ASYNC_EVENT_ALLOC,
UVERBS_ATTR_FD(UVERBS_ATTR_ASYNC_EVENT_ALLOC_FD_HANDLE,
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index d69dece3b1d5..30e08bcc9afb 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -2891,8 +2891,7 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
srqidx = ABORT_RSS_SRQIDX_G(
be32_to_cpu(req->srqidx_status));
if (srqidx) {
- complete_cached_srq_buffers(ep,
- req->srqidx_status);
+ complete_cached_srq_buffers(ep, srqidx);
} else {
/* Hold ep ref until finish_peer_abort() */
c4iw_get_ep(&ep->com);
@@ -3878,8 +3877,8 @@ static int read_tcb_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
return 0;
}
- ep->srqe_idx = t4_tcb_get_field32(tcb, TCB_RQ_START_W, TCB_RQ_START_W,
- TCB_RQ_START_S);
+ ep->srqe_idx = t4_tcb_get_field32(tcb, TCB_RQ_START_W, TCB_RQ_START_M,
+ TCB_RQ_START_S);
cleanup:
pr_debug("ep %p tid %u %016x\n", ep, ep->hwtid, ep->srqe_idx);
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 4da03f823474..f81ca20f4b69 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -206,13 +206,6 @@ static int pin_rcv_pages(struct hfi1_filedata *fd, struct tid_user_buf *tidbuf)
return -EINVAL;
}
- /* Verify that access is OK for the user buffer */
- if (!access_ok((void __user *)vaddr,
- npages * PAGE_SIZE)) {
- dd_dev_err(dd, "Fail vaddr %p, %u pages, !access_ok\n",
- (void *)vaddr, npages);
- return -EFAULT;
- }
/* Allocate the array of struct page pointers needed for pinning */
pages = kcalloc(npages, sizeof(*pages), GFP_KERNEL);
if (!pages)
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 13e4203497b3..a92346e88628 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -589,10 +589,6 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
set_comp_state(pq, cq, info.comp_idx, QUEUED, 0);
pq->state = SDMA_PKT_Q_ACTIVE;
- /* Send the first N packets in the request to buy us some time */
- ret = user_sdma_send_pkts(req, pcount);
- if (unlikely(ret < 0 && ret != -EBUSY))
- goto free_req;
/*
* This is a somewhat blocking send implementation.
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index bb78d3280acc..fa7a5ff498c7 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -1987,7 +1987,6 @@ static int i40iw_addr_resolve_neigh(struct i40iw_device *iwdev,
struct rtable *rt;
struct neighbour *neigh;
int rc = arpindex;
- struct net_device *netdev = iwdev->netdev;
__be32 dst_ipaddr = htonl(dst_ip);
__be32 src_ipaddr = htonl(src_ip);
@@ -1997,9 +1996,6 @@ static int i40iw_addr_resolve_neigh(struct i40iw_device *iwdev,
return rc;
}
- if (netif_is_bond_slave(netdev))
- netdev = netdev_master_upper_dev_get(netdev);
-
neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr);
rcu_read_lock();
@@ -2065,7 +2061,6 @@ static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev,
{
struct neighbour *neigh;
int rc = arpindex;
- struct net_device *netdev = iwdev->netdev;
struct dst_entry *dst;
struct sockaddr_in6 dst_addr;
struct sockaddr_in6 src_addr;
@@ -2086,9 +2081,6 @@ static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev,
return rc;
}
- if (netif_is_bond_slave(netdev))
- netdev = netdev_master_upper_dev_get(netdev);
-
neigh = dst_neigh_lookup(dst, dst_addr.sin6_addr.in6_u.u6_addr32);
rcu_read_lock();
diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
index e8b4b3743661..688f19667221 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c
@@ -1046,7 +1046,7 @@ i40iw_sc_query_rdma_features(struct i40iw_sc_cqp *cqp,
u64 header;
wqe = i40iw_sc_cqp_get_next_send_wqe(cqp, scratch);
- if (wqe)
+ if (!wqe)
return I40IW_ERR_RING_FULL;
set_64bit_val(wqe, 32, feat_mem->pa);
diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c
index 55a1fbf0e670..ae8b97c30665 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_hw.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c
@@ -534,7 +534,7 @@ void i40iw_manage_arp_cache(struct i40iw_device *iwdev,
int arp_index;
arp_index = i40iw_arp_table(iwdev, ip_addr, ipv4, mac_addr, action);
- if (arp_index == -1)
+ if (arp_index < 0)
return;
cqp_request = i40iw_get_cqp_request(&iwdev->cqp, false);
if (!cqp_request)
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index a66518a5c938..275722cec8c6 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1499,8 +1499,9 @@ static int __mlx4_ib_create_default_rules(
int i;
for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) {
+ union ib_flow_spec ib_spec = {};
int ret;
- union ib_flow_spec ib_spec;
+
switch (pdefault_rules->rules_create_list[i]) {
case 0:
/* no rule */
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 2f9f78912267..cf51e3cbd969 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -2891,6 +2891,7 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
int send_size;
int header_size;
int spc;
+ int err;
int i;
if (wr->wr.opcode != IB_WR_SEND)
@@ -2925,7 +2926,9 @@ static int build_sriov_qp0_header(struct mlx4_ib_sqp *sqp,
sqp->ud_header.lrh.virtual_lane = 0;
sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED);
- ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey);
+ err = ib_get_cached_pkey(ib_dev, sqp->qp.port, 0, &pkey);
+ if (err)
+ return err;
sqp->ud_header.bth.pkey = cpu_to_be16(pkey);
if (sqp->qp.mlx4_ib_qp_type == MLX4_IB_QPT_TUN_SMI_OWNER)
sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn);
@@ -3212,9 +3215,14 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, const struct ib_ud_wr *wr,
}
sqp->ud_header.bth.solicited_event = !!(wr->wr.send_flags & IB_SEND_SOLICITED);
if (!sqp->qp.ibqp.qp_num)
- ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index, &pkey);
+ err = ib_get_cached_pkey(ib_dev, sqp->qp.port, sqp->pkey_index,
+ &pkey);
else
- ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index, &pkey);
+ err = ib_get_cached_pkey(ib_dev, sqp->qp.port, wr->pkey_index,
+ &pkey);
+ if (err)
+ return err;
+
sqp->ud_header.bth.pkey = cpu_to_be16(pkey);
sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->remote_qpn);
sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1));
diff --git a/drivers/infiniband/hw/mlx5/Makefile b/drivers/infiniband/hw/mlx5/Makefile
index 2a334800f109..228be05fbaf8 100644
--- a/drivers/infiniband/hw/mlx5/Makefile
+++ b/drivers/infiniband/hw/mlx5/Makefile
@@ -1,11 +1,25 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_MLX5_INFINIBAND) += mlx5_ib.o
+obj-$(CONFIG_MLX5_INFINIBAND) += mlx5_ib.o
+
+mlx5_ib-y := ah.o \
+ cmd.o \
+ cong.o \
+ cq.o \
+ doorbell.o \
+ gsi.o \
+ ib_virt.o \
+ mad.o \
+ main.o \
+ mem.o \
+ mr.o \
+ qp.o \
+ qpc.o \
+ restrack.o \
+ srq.o \
+ srq_cmd.o
-mlx5_ib-y := main.o cq.o doorbell.o qp.o mem.o srq_cmd.o \
- srq.o mr.o ah.o mad.o gsi.o ib_virt.o cmd.o \
- cong.o restrack.o
mlx5_ib-$(CONFIG_INFINIBAND_ON_DEMAND_PAGING) += odp.o
mlx5_ib-$(CONFIG_MLX5_ESWITCH) += ib_rep.o
-mlx5_ib-$(CONFIG_INFINIBAND_USER_ACCESS) += devx.o
-mlx5_ib-$(CONFIG_INFINIBAND_USER_ACCESS) += flow.o
-mlx5_ib-$(CONFIG_INFINIBAND_USER_ACCESS) += qos.o
+mlx5_ib-$(CONFIG_INFINIBAND_USER_ACCESS) += devx.o \
+ flow.o \
+ qos.o
diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c
index 4c26492ab8a3..a2fcbc49131e 100644
--- a/drivers/infiniband/hw/mlx5/cmd.c
+++ b/drivers/infiniband/hw/mlx5/cmd.c
@@ -327,23 +327,6 @@ int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
}
-int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
- u16 uid)
-{
- u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
- int err;
-
- MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
- MLX5_SET(alloc_q_counter_in, in, uid, uid);
-
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
- if (!err)
- *counter_id = MLX5_GET(alloc_q_counter_out, out,
- counter_set_id);
- return err;
-}
-
int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
u16 opmod, u8 port)
{
diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h
index 945ebce73613..43079b18d9b4 100644
--- a/drivers/infiniband/hw/mlx5/cmd.h
+++ b/drivers/infiniband/hw/mlx5/cmd.h
@@ -61,8 +61,6 @@ int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
u32 qpn, u16 uid);
int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid);
int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid);
-int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
- u16 uid);
int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
u16 opmod, u8 port);
#endif /* MLX5_IB_CMD_H */
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 146ba2966744..0c18cb6a2f14 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -36,6 +36,7 @@
#include <rdma/ib_cache.h>
#include "mlx5_ib.h"
#include "srq.h"
+#include "qp.h"
static void mlx5_ib_cq_comp(struct mlx5_core_cq *cq, struct mlx5_eqe *eqe)
{
@@ -201,7 +202,7 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
case MLX5_CQE_RESP_WR_IMM:
wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
wc->wc_flags = IB_WC_WITH_IMM;
- wc->ex.imm_data = cqe->imm_inval_pkey;
+ wc->ex.imm_data = cqe->immediate;
break;
case MLX5_CQE_RESP_SEND:
wc->opcode = IB_WC_RECV;
@@ -213,12 +214,12 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
case MLX5_CQE_RESP_SEND_IMM:
wc->opcode = IB_WC_RECV;
wc->wc_flags = IB_WC_WITH_IMM;
- wc->ex.imm_data = cqe->imm_inval_pkey;
+ wc->ex.imm_data = cqe->immediate;
break;
case MLX5_CQE_RESP_SEND_INV:
wc->opcode = IB_WC_RECV;
wc->wc_flags = IB_WC_WITH_INVALIDATE;
- wc->ex.invalidate_rkey = be32_to_cpu(cqe->imm_inval_pkey);
+ wc->ex.invalidate_rkey = be32_to_cpu(cqe->inval_rkey);
break;
}
wc->src_qp = be32_to_cpu(cqe->flags_rqpn) & 0xffffff;
@@ -226,7 +227,7 @@ static void handle_responder(struct ib_wc *wc, struct mlx5_cqe64 *cqe,
g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3;
wc->wc_flags |= g ? IB_WC_GRH : 0;
if (unlikely(is_qp1(qp->ibqp.qp_type))) {
- u16 pkey = be32_to_cpu(cqe->imm_inval_pkey) & 0xffff;
+ u16 pkey = be32_to_cpu(cqe->pkey) & 0xffff;
ib_find_cached_pkey(&dev->ib_dev, qp->port, pkey,
&wc->pkey_index);
@@ -484,7 +485,7 @@ repoll:
* because CQs will be locked while QPs are removed
* from the table.
*/
- mqp = __mlx5_qp_lookup(dev->mdev, qpn);
+ mqp = radix_tree_lookup(&dev->qp_table.tree, qpn);
*cur_qp = to_mibqp(mqp);
}
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 46e1ab771f10..35b98c2d64d5 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -14,6 +14,7 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/fs.h>
#include "mlx5_ib.h"
+#include "qp.h"
#include <linux/xarray.h>
#define UVERBS_MODULE_NAME mlx5_ib
@@ -1356,7 +1357,7 @@ static int devx_obj_cleanup(struct ib_uobject *uobject,
}
if (obj->flags & DEVX_OBJ_FLAGS_DCT)
- ret = mlx5_core_destroy_dct(obj->ib_dev->mdev, &obj->core_dct);
+ ret = mlx5_core_destroy_dct(obj->ib_dev, &obj->core_dct);
else if (obj->flags & DEVX_OBJ_FLAGS_CQ)
ret = mlx5_core_destroy_cq(obj->ib_dev->mdev, &obj->core_cq);
else
@@ -1450,9 +1451,8 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
if (opcode == MLX5_CMD_OP_CREATE_DCT) {
obj->flags |= DEVX_OBJ_FLAGS_DCT;
- err = mlx5_core_create_dct(dev->mdev, &obj->core_dct,
- cmd_in, cmd_in_len,
- cmd_out, cmd_out_len);
+ err = mlx5_core_create_dct(dev, &obj->core_dct, cmd_in,
+ cmd_in_len, cmd_out, cmd_out_len);
} else if (opcode == MLX5_CMD_OP_CREATE_CQ) {
obj->flags |= DEVX_OBJ_FLAGS_CQ;
obj->core_cq.comp = devx_cq_comp;
@@ -1499,7 +1499,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)(
obj_destroy:
if (obj->flags & DEVX_OBJ_FLAGS_DCT)
- mlx5_core_destroy_dct(obj->ib_dev->mdev, &obj->core_dct);
+ mlx5_core_destroy_dct(obj->ib_dev, &obj->core_dct);
else if (obj->flags & DEVX_OBJ_FLAGS_CQ)
mlx5_core_destroy_cq(obj->ib_dev->mdev, &obj->core_cq);
else
diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c
index 862b7bf3e646..3a0601c2052c 100644
--- a/drivers/infiniband/hw/mlx5/flow.c
+++ b/drivers/infiniband/hw/mlx5/flow.c
@@ -404,7 +404,10 @@ static bool mlx5_ib_modify_header_supported(struct mlx5_ib_dev *dev)
{
return MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
max_modify_header_actions) ||
- MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, max_modify_header_actions);
+ MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
+ max_modify_header_actions) ||
+ MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev,
+ max_modify_header_actions);
}
static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
@@ -427,7 +430,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
num_actions = uverbs_attr_ptr_get_array_size(
attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
- MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto));
+ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto));
if (num_actions < 0)
return num_actions;
@@ -648,7 +651,7 @@ DECLARE_UVERBS_NAMED_METHOD(
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
UVERBS_ATTR_MIN_SIZE(MLX5_UN_SZ_BYTES(
- set_action_in_add_action_in_auto)),
+ set_add_copy_action_in_auto)),
UA_MANDATORY,
UA_ALLOC_AND_COPY),
UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE,
diff --git a/drivers/infiniband/hw/mlx5/ib_virt.c b/drivers/infiniband/hw/mlx5/ib_virt.c
index b61165359954..46b2d370fb3f 100644
--- a/drivers/infiniband/hw/mlx5/ib_virt.c
+++ b/drivers/infiniband/hw/mlx5/ib_virt.c
@@ -134,7 +134,7 @@ int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
if (!out)
return -ENOMEM;
- err = mlx5_core_query_vport_counter(mdev, true, vf, port, out, out_sz);
+ err = mlx5_core_query_vport_counter(mdev, true, vf, port, out);
if (err)
goto ex;
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 14e0c17de6a9..454ce5de2de7 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -30,7 +30,6 @@
* SOFTWARE.
*/
-#include <linux/mlx5/cmd.h>
#include <linux/mlx5/vport.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
@@ -188,8 +187,8 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num,
goto done;
}
- err = mlx5_core_query_vport_counter(mdev, 0, 0,
- mdev_port_num, out_cnt, sz);
+ err = mlx5_core_query_vport_counter(mdev, 0, 0, mdev_port_num,
+ out_cnt);
if (!err)
pma_cnt_ext_assign(pma_cnt_ext, out_cnt);
} else {
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 6679756506e6..566b42f3fb18 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -59,6 +59,7 @@
#include "ib_rep.h"
#include "cmd.h"
#include "srq.h"
+#include "qp.h"
#include <linux/mlx5/fs_helpers.h>
#include <linux/mlx5/accel.h>
#include <rdma/uverbs_std_types.h>
@@ -2443,7 +2444,7 @@ static int handle_alloc_dm_sw_icm(struct ib_ucontext *ctx,
act_size = roundup_pow_of_two(act_size);
dm->size = act_size;
- err = mlx5_dm_sw_icm_alloc(dev, type, act_size,
+ err = mlx5_dm_sw_icm_alloc(dev, type, act_size, attr->alignment,
to_mucontext(ctx)->devx_uid, &dm->dev_addr,
&dm->icm_dm.obj_id);
if (err)
@@ -3697,12 +3698,13 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
if (!dest_num)
rule_dst = NULL;
} else {
+ if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)
+ flow_act.action |=
+ MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
if (is_egress)
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- else
- flow_act.action |=
- dest_num ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST :
- MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
+ else if (dest_num)
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
}
if ((spec->flow_context.flags & FLOW_CONTEXT_HAS_TAG) &&
@@ -3746,30 +3748,6 @@ static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0, NULL);
}
-static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev,
- struct mlx5_ib_flow_prio *ft_prio,
- struct ib_flow_attr *flow_attr,
- struct mlx5_flow_destination *dst)
-{
- struct mlx5_ib_flow_handler *handler_dst = NULL;
- struct mlx5_ib_flow_handler *handler = NULL;
-
- handler = create_flow_rule(dev, ft_prio, flow_attr, NULL);
- if (!IS_ERR(handler)) {
- handler_dst = create_flow_rule(dev, ft_prio,
- flow_attr, dst);
- if (IS_ERR(handler_dst)) {
- mlx5_del_flow_rules(handler->rule);
- ft_prio->refcount--;
- kfree(handler);
- handler = handler_dst;
- } else {
- list_add(&handler_dst->list, &handler->list);
- }
- }
-
- return handler;
-}
enum {
LEFTOVERS_MC,
LEFTOVERS_UC,
@@ -3973,15 +3951,11 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
}
if (flow_attr->type == IB_FLOW_ATTR_NORMAL) {
- if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) {
- handler = create_dont_trap_rule(dev, ft_prio,
- flow_attr, dst);
- } else {
- underlay_qpn = (mqp->flags & MLX5_IB_QP_UNDERLAY) ?
- mqp->underlay_qpn : 0;
- handler = _create_flow_rule(dev, ft_prio, flow_attr,
- dst, underlay_qpn, ucmd);
- }
+ underlay_qpn = (mqp->flags & IB_QP_CREATE_SOURCE_QPN) ?
+ mqp->underlay_qpn :
+ 0;
+ handler = _create_flow_rule(dev, ft_prio, flow_attr, dst,
+ underlay_qpn, ucmd);
} else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) {
handler = create_leftovers_rule(dev, ft_prio, flow_attr,
@@ -4632,8 +4606,7 @@ static void delay_drop_handler(struct work_struct *work)
atomic_inc(&delay_drop->events_cnt);
mutex_lock(&delay_drop->lock);
- err = mlx5_core_set_delay_drop(delay_drop->dev->mdev,
- delay_drop->timeout);
+ err = mlx5_core_set_delay_drop(delay_drop->dev, delay_drop->timeout);
if (err) {
mlx5_ib_warn(delay_drop->dev, "Failed to set delay drop, timeout=%u\n",
delay_drop->timeout);
@@ -5439,15 +5412,21 @@ static bool is_mdev_switchdev_mode(const struct mlx5_core_dev *mdev)
static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev)
{
+ u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {};
int num_cnt_ports;
int i;
num_cnt_ports = is_mdev_switchdev_mode(dev->mdev) ? 1 : dev->num_ports;
+ MLX5_SET(dealloc_q_counter_in, in, opcode,
+ MLX5_CMD_OP_DEALLOC_Q_COUNTER);
+
for (i = 0; i < num_cnt_ports; i++) {
- if (dev->port[i].cnts.set_id_valid)
- mlx5_core_dealloc_q_counter(dev->mdev,
- dev->port[i].cnts.set_id);
+ if (dev->port[i].cnts.set_id) {
+ MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
+ dev->port[i].cnts.set_id);
+ mlx5_cmd_exec_in(dev->mdev, dealloc_q_counter, in);
+ }
kfree(dev->port[i].cnts.names);
kfree(dev->port[i].cnts.offsets);
}
@@ -5556,11 +5535,14 @@ static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev,
static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev)
{
+ u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
int num_cnt_ports;
int err = 0;
int i;
bool is_shared;
+ MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
is_shared = MLX5_CAP_GEN(dev->mdev, log_max_uctx) != 0;
num_cnt_ports = is_mdev_switchdev_mode(dev->mdev) ? 1 : dev->num_ports;
@@ -5572,17 +5554,19 @@ static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev)
mlx5_ib_fill_counters(dev, dev->port[i].cnts.names,
dev->port[i].cnts.offsets);
- err = mlx5_cmd_alloc_q_counter(dev->mdev,
- &dev->port[i].cnts.set_id,
- is_shared ?
- MLX5_SHARED_RESOURCE_UID : 0);
+ MLX5_SET(alloc_q_counter_in, in, uid,
+ is_shared ? MLX5_SHARED_RESOURCE_UID : 0);
+
+ err = mlx5_cmd_exec_inout(dev->mdev, alloc_q_counter, in, out);
if (err) {
mlx5_ib_warn(dev,
"couldn't allocate queue counter for port %d, err %d\n",
i + 1, err);
goto err_alloc;
}
- dev->port[i].cnts.set_id_valid = true;
+
+ dev->port[i].cnts.set_id =
+ MLX5_GET(alloc_q_counter_out, out, counter_set_id);
}
return 0;
@@ -5638,27 +5622,23 @@ static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev,
struct rdma_hw_stats *stats,
u16 set_id)
{
- int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out);
- void *out;
+ u32 out[MLX5_ST_SZ_DW(query_q_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {};
__be32 val;
int ret, i;
- out = kvzalloc(outlen, GFP_KERNEL);
- if (!out)
- return -ENOMEM;
-
- ret = mlx5_core_query_q_counter(mdev, set_id, 0, out, outlen);
+ MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
+ MLX5_SET(query_q_counter_in, in, counter_set_id, set_id);
+ ret = mlx5_cmd_exec_inout(mdev, query_q_counter, in, out);
if (ret)
- goto free;
+ return ret;
for (i = 0; i < cnts->num_q_counters; i++) {
- val = *(__be32 *)(out + cnts->offsets[i]);
+ val = *(__be32 *)((void *)out + cnts->offsets[i]);
stats->value[i] = (u64)be32_to_cpu(val);
}
-free:
- kvfree(out);
- return ret;
+ return 0;
}
static int mlx5_ib_query_ext_ppcnt_counters(struct mlx5_ib_dev *dev,
@@ -5765,20 +5745,38 @@ static int mlx5_ib_counter_update_stats(struct rdma_counter *counter)
counter->stats, counter->id);
}
+static int mlx5_ib_counter_dealloc(struct rdma_counter *counter)
+{
+ struct mlx5_ib_dev *dev = to_mdev(counter->device);
+ u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {};
+
+ if (!counter->id)
+ return 0;
+
+ MLX5_SET(dealloc_q_counter_in, in, opcode,
+ MLX5_CMD_OP_DEALLOC_Q_COUNTER);
+ MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter->id);
+ return mlx5_cmd_exec_in(dev->mdev, dealloc_q_counter, in);
+}
+
static int mlx5_ib_counter_bind_qp(struct rdma_counter *counter,
struct ib_qp *qp)
{
struct mlx5_ib_dev *dev = to_mdev(qp->device);
- u16 cnt_set_id = 0;
int err;
if (!counter->id) {
- err = mlx5_cmd_alloc_q_counter(dev->mdev,
- &cnt_set_id,
- MLX5_SHARED_RESOURCE_UID);
+ u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
+
+ MLX5_SET(alloc_q_counter_in, in, opcode,
+ MLX5_CMD_OP_ALLOC_Q_COUNTER);
+ MLX5_SET(alloc_q_counter_in, in, uid, MLX5_SHARED_RESOURCE_UID);
+ err = mlx5_cmd_exec_inout(dev->mdev, alloc_q_counter, in, out);
if (err)
return err;
- counter->id = cnt_set_id;
+ counter->id =
+ MLX5_GET(alloc_q_counter_out, out, counter_set_id);
}
err = mlx5_ib_qp_set_counter(qp, counter);
@@ -5788,7 +5786,7 @@ static int mlx5_ib_counter_bind_qp(struct rdma_counter *counter,
return 0;
fail_set_counter:
- mlx5_core_dealloc_q_counter(dev->mdev, cnt_set_id);
+ mlx5_ib_counter_dealloc(counter);
counter->id = 0;
return err;
@@ -5799,13 +5797,6 @@ static int mlx5_ib_counter_unbind_qp(struct ib_qp *qp)
return mlx5_ib_qp_set_counter(qp, NULL);
}
-static int mlx5_ib_counter_dealloc(struct rdma_counter *counter)
-{
- struct mlx5_ib_dev *dev = to_mdev(counter->device);
-
- return mlx5_core_dealloc_q_counter(dev->mdev, counter->id);
-}
-
static int mlx5_ib_rn_get_params(struct ib_device *device, u8 port_num,
enum rdma_netdev_t type,
struct rdma_netdev_alloc_params *params)
@@ -7175,6 +7166,9 @@ static const struct mlx5_ib_profile pf_profile = {
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_roce_init,
mlx5_ib_stage_roce_cleanup),
+ STAGE_CREATE(MLX5_IB_STAGE_QP,
+ mlx5_init_qp_table,
+ mlx5_cleanup_qp_table),
STAGE_CREATE(MLX5_IB_STAGE_SRQ,
mlx5_init_srq_table,
mlx5_cleanup_srq_table),
@@ -7232,6 +7226,9 @@ const struct mlx5_ib_profile raw_eth_profile = {
STAGE_CREATE(MLX5_IB_STAGE_ROCE,
mlx5_ib_stage_raw_eth_roce_init,
mlx5_ib_stage_raw_eth_roce_cleanup),
+ STAGE_CREATE(MLX5_IB_STAGE_QP,
+ mlx5_init_qp_table,
+ mlx5_cleanup_qp_table),
STAGE_CREATE(MLX5_IB_STAGE_SRQ,
mlx5_init_srq_table,
mlx5_cleanup_srq_table),
diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index a4e522385de0..aaabb8a98eed 100644
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -780,7 +780,6 @@ struct mlx5_ib_counters {
u32 num_cong_counters;
u32 num_ext_ppcnt_counters;
u16 set_id;
- bool set_id_valid;
};
struct mlx5_ib_multiport_info;
@@ -870,6 +869,7 @@ enum mlx5_ib_stages {
MLX5_IB_STAGE_CAPS,
MLX5_IB_STAGE_NON_DEFAULT_CB,
MLX5_IB_STAGE_ROCE,
+ MLX5_IB_STAGE_QP,
MLX5_IB_STAGE_SRQ,
MLX5_IB_STAGE_DEVICE_RESOURCES,
MLX5_IB_STAGE_DEVICE_NOTIFIER,
@@ -1065,6 +1065,7 @@ struct mlx5_ib_dev {
struct mlx5_dm dm;
u16 devx_whitelist_uid;
struct mlx5_srq_table srq_table;
+ struct mlx5_qp_table qp_table;
struct mlx5_async_ctx async_ctx;
struct mlx5_devx_event_table devx_event_table;
struct mlx5_var_table var_table;
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index a401931189b7..44683073be0c 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1439,6 +1439,7 @@ struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
if (is_odp_mr(mr)) {
to_ib_umem_odp(mr->umem)->private = mr;
+ init_waitqueue_head(&mr->q_deferred_work);
atomic_set(&mr->num_deferred_work, 0);
err = xa_err(xa_store(&dev->odp_mkeys,
mlx5_base_mkey(mr->mmkey.key), &mr->mmkey,
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c
index 3de7606d4a1a..16af1105cfcf 100644
--- a/drivers/infiniband/hw/mlx5/odp.c
+++ b/drivers/infiniband/hw/mlx5/odp.c
@@ -36,6 +36,7 @@
#include "mlx5_ib.h"
#include "cmd.h"
+#include "qp.h"
#include <linux/mlx5/eq.h>
@@ -1219,7 +1220,7 @@ static inline struct mlx5_core_rsc_common *odp_get_rsc(struct mlx5_ib_dev *dev,
case MLX5_WQE_PF_TYPE_REQ_SEND_OR_WRITE:
case MLX5_WQE_PF_TYPE_RESP:
case MLX5_WQE_PF_TYPE_REQ_READ_OR_ATOMIC:
- common = mlx5_core_res_hold(dev->mdev, wq_num, MLX5_RES_QP);
+ common = mlx5_core_res_hold(dev, wq_num, MLX5_RES_QP);
break;
default:
break;
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 1456db4b6295..d93eec5d3277 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -39,6 +39,7 @@
#include "mlx5_ib.h"
#include "ib_rep.h"
#include "cmd.h"
+#include "qp.h"
/* not supported currently */
static int wq_signature;
@@ -1254,7 +1255,7 @@ static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev,
struct mlx5_ib_sq *sq, u32 tdn,
struct ib_pd *pd)
{
- u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {};
void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
MLX5_SET(create_tis_in, in, uid, to_mpd(pd)->uid);
@@ -1262,7 +1263,7 @@ static int create_raw_packet_qp_tis(struct mlx5_ib_dev *dev,
if (qp->flags & MLX5_IB_QP_UNDERLAY)
MLX5_SET(tisc, tisc, underlay_qpn, qp->underlay_qpn);
- return mlx5_core_create_tis(dev->mdev, in, sizeof(in), &sq->tisn);
+ return mlx5_core_create_tis(dev->mdev, in, &sq->tisn);
}
static void destroy_raw_packet_qp_tis(struct mlx5_ib_dev *dev,
@@ -1336,7 +1337,7 @@ static int create_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
pas = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
mlx5_ib_populate_pas(dev, sq->ubuffer.umem, page_shift, pas, 0);
- err = mlx5_core_create_sq_tracked(dev->mdev, in, inlen, &sq->base.mqp);
+ err = mlx5_core_create_sq_tracked(dev, in, inlen, &sq->base.mqp);
kvfree(in);
@@ -1356,7 +1357,7 @@ static void destroy_raw_packet_qp_sq(struct mlx5_ib_dev *dev,
struct mlx5_ib_sq *sq)
{
destroy_flow_rule_vport_sq(sq);
- mlx5_core_destroy_sq_tracked(dev->mdev, &sq->base.mqp);
+ mlx5_core_destroy_sq_tracked(dev, &sq->base.mqp);
ib_umem_release(sq->ubuffer.umem);
}
@@ -1426,7 +1427,7 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
qp_pas = (__be64 *)MLX5_ADDR_OF(create_qp_in, qpin, pas);
memcpy(pas, qp_pas, rq_pas_size);
- err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rq->base.mqp);
+ err = mlx5_core_create_rq_tracked(dev, in, inlen, &rq->base.mqp);
kvfree(in);
@@ -1436,7 +1437,7 @@ static int create_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
static void destroy_raw_packet_qp_rq(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq)
{
- mlx5_core_destroy_rq_tracked(dev->mdev, &rq->base.mqp);
+ mlx5_core_destroy_rq_tracked(dev, &rq->base.mqp);
}
static bool tunnel_offload_supported(struct mlx5_core_dev *dev)
@@ -1459,9 +1460,8 @@ static void destroy_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
struct mlx5_ib_rq *rq, u32 tdn,
- u32 *qp_flags_en,
- struct ib_pd *pd,
- u32 *out, int outlen)
+ u32 *qp_flags_en, struct ib_pd *pd,
+ u32 *out)
{
u8 lb_flag = 0;
u32 *in;
@@ -1494,9 +1494,8 @@ static int create_raw_packet_qp_tir(struct mlx5_ib_dev *dev,
}
MLX5_SET(tirc, tirc, self_lb_block, lb_flag);
-
- err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen);
-
+ MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+ err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out);
rq->tirn = MLX5_GET(create_tir_out, out, tirn);
if (!err && MLX5_GET(tirc, tirc, self_lb_block)) {
err = mlx5_ib_enable_lb(dev, false, true);
@@ -1556,9 +1555,8 @@ static int create_raw_packet_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (err)
goto err_destroy_sq;
- err = create_raw_packet_qp_tir(
- dev, rq, tdn, &qp->flags_en, pd, out,
- MLX5_ST_SZ_BYTES(create_tir_out));
+ err = create_raw_packet_qp_tir(dev, rq, tdn, &qp->flags_en, pd,
+ out);
if (err)
goto err_destroy_rq;
@@ -1853,7 +1851,8 @@ static int create_rss_raw_qp_tir(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
MLX5_SET(rx_hash_field_select, hfso, selected_fields, selected_fields);
create_tir:
- err = mlx5_core_create_tir_out(dev->mdev, in, inlen, out, outlen);
+ MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+ err = mlx5_cmd_exec_inout(dev->mdev, create_tir, in, out);
qp->rss_qp.tirn = MLX5_GET(create_tir_out, out, tirn);
if (!err && MLX5_GET(tirc, tirc, self_lb_block)) {
@@ -2347,7 +2346,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
err = create_raw_packet_qp(dev, qp, in, inlen, pd, udata,
&resp);
} else {
- err = mlx5_core_create_qp(dev->mdev, &base->mqp, in, inlen);
+ err = mlx5_core_create_qp(dev, &base->mqp, in, inlen);
}
if (err) {
@@ -2513,8 +2512,7 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (qp->state != IB_QPS_RESET) {
if (qp->ibqp.qp_type != IB_QPT_RAW_PACKET &&
!(qp->flags & MLX5_IB_QP_UNDERLAY)) {
- err = mlx5_core_qp_modify(dev->mdev,
- MLX5_CMD_OP_2RST_QP, 0,
+ err = mlx5_core_qp_modify(dev, MLX5_CMD_OP_2RST_QP, 0,
NULL, &base->mqp);
} else {
struct mlx5_modify_raw_qp_param raw_qp_param = {
@@ -2555,7 +2553,7 @@ static void destroy_qp_common(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
qp->flags & MLX5_IB_QP_UNDERLAY) {
destroy_raw_packet_qp(dev, qp);
} else {
- err = mlx5_core_destroy_qp(dev->mdev, &base->mqp);
+ err = mlx5_core_destroy_qp(dev, &base->mqp);
if (err)
mlx5_ib_warn(dev, "failed to destroy QP 0x%x\n",
base->mqp.qpn);
@@ -2818,7 +2816,7 @@ static int mlx5_ib_destroy_dct(struct mlx5_ib_qp *mqp)
if (mqp->state == IB_QPS_RTR) {
int err;
- err = mlx5_core_destroy_dct(dev->mdev, &mqp->dct.mdct);
+ err = mlx5_core_destroy_dct(dev, &mqp->dct.mdct);
if (err) {
mlx5_ib_warn(dev, "failed to destroy DCT %d\n", err);
return err;
@@ -2933,7 +2931,7 @@ static int modify_raw_packet_eth_prio(struct mlx5_core_dev *dev,
tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx);
MLX5_SET(tisc, tisc, prio, ((sl & 0x7) << 1));
- err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen);
+ err = mlx5_core_modify_tis(dev, sq->tisn, in);
kvfree(in);
@@ -2960,7 +2958,7 @@ static int modify_raw_packet_tx_affinity(struct mlx5_core_dev *dev,
tisc = MLX5_ADDR_OF(modify_tis_in, in, ctx);
MLX5_SET(tisc, tisc, lag_tx_port_affinity, tx_affinity);
- err = mlx5_core_modify_tis(dev, sq->tisn, in, inlen);
+ err = mlx5_core_modify_tis(dev, sq->tisn, in);
kvfree(in);
@@ -3240,7 +3238,7 @@ static int modify_raw_packet_qp_rq(
"RAW PACKET QP counters are not supported on current FW\n");
}
- err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in, inlen);
+ err = mlx5_core_modify_rq(dev->mdev, rq->base.mqp.qpn, in);
if (err)
goto out;
@@ -3303,7 +3301,7 @@ static int modify_raw_packet_qp_sq(
MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index);
}
- err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in, inlen);
+ err = mlx5_core_modify_sq(dev, sq->base.mqp.qpn, in);
if (err) {
/* Remove new rate from table if failed */
if (new_rate_added)
@@ -3462,10 +3460,9 @@ static int __mlx5_ib_qp_set_counter(struct ib_qp *qp,
base = &mqp->trans_qp.base;
context.qp_counter_set_usr_page &= cpu_to_be32(0xffffff);
context.qp_counter_set_usr_page |= cpu_to_be32(set_id << 24);
- return mlx5_core_qp_modify(dev->mdev,
- MLX5_CMD_OP_RTS2RTS_QP,
- MLX5_QP_OPTPAR_COUNTER_SET_ID,
- &context, &base->mqp);
+ return mlx5_core_qp_modify(dev, MLX5_CMD_OP_RTS2RTS_QP,
+ MLX5_QP_OPTPAR_COUNTER_SET_ID, &context,
+ &base->mqp);
}
static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
@@ -3752,8 +3749,7 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
err = modify_raw_packet_qp(dev, qp, &raw_qp_param, tx_affinity);
} else {
- err = mlx5_core_qp_modify(dev->mdev, op, optpar, context,
- &base->mqp);
+ err = mlx5_core_qp_modify(dev, op, optpar, context, &base->mqp);
}
if (err)
@@ -3927,7 +3923,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
MLX5_SET(dctc, dctc, my_addr_index, attr->ah_attr.grh.sgid_index);
MLX5_SET(dctc, dctc, hop_limit, attr->ah_attr.grh.hop_limit);
- err = mlx5_core_create_dct(dev->mdev, &qp->dct.mdct, qp->dct.in,
+ err = mlx5_core_create_dct(dev, &qp->dct.mdct, qp->dct.in,
MLX5_ST_SZ_BYTES(create_dct_in), out,
sizeof(out));
if (err)
@@ -3935,7 +3931,7 @@ static int mlx5_ib_modify_dct(struct ib_qp *ibqp, struct ib_qp_attr *attr,
resp.dctn = qp->dct.mdct.mqp.qpn;
err = ib_copy_to_udata(udata, &resp, resp.response_length);
if (err) {
- mlx5_core_destroy_dct(dev->mdev, &qp->dct.mdct);
+ mlx5_core_destroy_dct(dev, &qp->dct.mdct);
return err;
}
} else {
@@ -5558,7 +5554,9 @@ static void to_rdma_ah_attr(struct mlx5_ib_dev *ibdev,
rdma_ah_set_path_bits(ah_attr, path->grh_mlid & 0x7f);
rdma_ah_set_static_rate(ah_attr,
path->static_rate ? path->static_rate - 5 : 0);
- if (path->grh_mlid & (1 << 7)) {
+
+ if (path->grh_mlid & (1 << 7) ||
+ ah_attr->type == RDMA_AH_ATTR_TYPE_ROCE) {
u32 tc_fl = be32_to_cpu(path->tclass_flowlabel);
rdma_ah_set_grh(ah_attr, NULL,
@@ -5697,8 +5695,7 @@ static int query_qp_attr(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp,
if (!outb)
return -ENOMEM;
- err = mlx5_core_qp_query(dev->mdev, &qp->trans_qp.base.mqp, outb,
- outlen);
+ err = mlx5_core_qp_query(dev, &qp->trans_qp.base.mqp, outb, outlen);
if (err)
goto out;
@@ -5776,7 +5773,7 @@ static int mlx5_ib_dct_query_qp(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *mqp,
if (!out)
return -ENOMEM;
- err = mlx5_core_dct_query(dev->mdev, dct, out, outlen);
+ err = mlx5_core_dct_query(dev, dct, out, outlen);
if (err)
goto out;
@@ -5962,7 +5959,7 @@ static int set_delay_drop(struct mlx5_ib_dev *dev)
if (dev->delay_drop.activate)
goto out;
- err = mlx5_core_set_delay_drop(dev->mdev, dev->delay_drop.timeout);
+ err = mlx5_core_set_delay_drop(dev, dev->delay_drop.timeout);
if (err)
goto out;
@@ -6068,13 +6065,13 @@ static int create_rq(struct mlx5_ib_rwq *rwq, struct ib_pd *pd,
}
rq_pas0 = (__be64 *)MLX5_ADDR_OF(wq, wq, pas);
mlx5_ib_populate_pas(dev, rwq->umem, rwq->page_shift, rq_pas0, 0);
- err = mlx5_core_create_rq_tracked(dev->mdev, in, inlen, &rwq->core_qp);
+ err = mlx5_core_create_rq_tracked(dev, in, inlen, &rwq->core_qp);
if (!err && init_attr->create_flags & IB_WQ_FLAGS_DELAY_DROP) {
err = set_delay_drop(dev);
if (err) {
mlx5_ib_warn(dev, "Failed to enable delay drop err=%d\n",
err);
- mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
+ mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp);
} else {
rwq->create_flags |= MLX5_IB_WQ_FLAGS_DELAY_DROP;
}
@@ -6256,7 +6253,7 @@ struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
return &rwq->ibwq;
err_copy:
- mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
+ mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp);
err_user_rq:
destroy_user_rq(dev, pd, rwq, udata);
err:
@@ -6269,7 +6266,7 @@ void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata)
struct mlx5_ib_dev *dev = to_mdev(wq->device);
struct mlx5_ib_rwq *rwq = to_mrwq(wq);
- mlx5_core_destroy_rq_tracked(dev->mdev, &rwq->core_qp);
+ mlx5_core_destroy_rq_tracked(dev, &rwq->core_qp);
destroy_user_rq(dev, wq->pd, rwq, udata);
kfree(rwq);
}
@@ -6447,7 +6444,7 @@ int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
"Receive WQ counters are not supported on current FW\n");
}
- err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in, inlen);
+ err = mlx5_core_modify_rq(dev->mdev, rwq->core_qp.qpn, in);
if (!err)
rwq->ibwq.state = (wq_state == MLX5_RQC_STATE_ERR) ? IB_WQS_ERR : wq_state;
diff --git a/drivers/infiniband/hw/mlx5/qp.h b/drivers/infiniband/hw/mlx5/qp.h
new file mode 100644
index 000000000000..ad9d76e3e18a
--- /dev/null
+++ b/drivers/infiniband/hw/mlx5/qp.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/*
+ * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved.
+ */
+
+#ifndef _MLX5_IB_QP_H
+#define _MLX5_IB_QP_H
+
+#include "mlx5_ib.h"
+
+int mlx5_init_qp_table(struct mlx5_ib_dev *dev);
+void mlx5_cleanup_qp_table(struct mlx5_ib_dev *dev);
+
+int mlx5_core_create_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *qp,
+ u32 *in, int inlen, u32 *out, int outlen);
+int mlx5_core_create_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
+ u32 *in, int inlen);
+int mlx5_core_qp_modify(struct mlx5_ib_dev *dev, u16 opcode, u32 opt_param_mask,
+ void *qpc, struct mlx5_core_qp *qp);
+int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp);
+int mlx5_core_destroy_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct);
+int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
+ u32 *out, int outlen);
+int mlx5_core_dct_query(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
+ u32 *out, int outlen);
+
+int mlx5_core_set_delay_drop(struct mlx5_ib_dev *dev, u32 timeout_usec);
+
+void mlx5_core_destroy_rq_tracked(struct mlx5_ib_dev *dev,
+ struct mlx5_core_qp *rq);
+int mlx5_core_create_sq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
+ struct mlx5_core_qp *sq);
+void mlx5_core_destroy_sq_tracked(struct mlx5_ib_dev *dev,
+ struct mlx5_core_qp *sq);
+
+int mlx5_core_create_rq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
+ struct mlx5_core_qp *rq);
+
+struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_ib_dev *dev,
+ int res_num,
+ enum mlx5_res_type res_type);
+void mlx5_core_res_put(struct mlx5_core_rsc_common *res);
+
+int mlx5_core_xrcd_alloc(struct mlx5_ib_dev *dev, u32 *xrcdn);
+int mlx5_core_xrcd_dealloc(struct mlx5_ib_dev *dev, u32 xrcdn);
+#endif /* _MLX5_IB_QP_H */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/infiniband/hw/mlx5/qpc.c
index c3aea4cc2fff..ea62735042f0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/infiniband/hw/mlx5/qpc.c
@@ -1,46 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved.
*/
#include <linux/gfp.h>
-#include <linux/export.h>
-#include <linux/mlx5/cmd.h>
#include <linux/mlx5/qp.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/transobj.h>
+#include "mlx5_ib.h"
+#include "qp.h"
-#include "mlx5_core.h"
-#include "lib/eq.h"
-
-static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
+static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev,
struct mlx5_core_dct *dct);
static struct mlx5_core_rsc_common *
@@ -124,11 +93,9 @@ static int rsc_event_notifier(struct notifier_block *nb,
{
struct mlx5_core_rsc_common *common;
struct mlx5_qp_table *table;
- struct mlx5_core_dev *dev;
struct mlx5_core_dct *dct;
u8 event_type = (u8)type;
struct mlx5_core_qp *qp;
- struct mlx5_priv *priv;
struct mlx5_eqe *eqe;
u32 rsn;
@@ -155,22 +122,12 @@ static int rsc_event_notifier(struct notifier_block *nb,
}
table = container_of(nb, struct mlx5_qp_table, nb);
- priv = container_of(table, struct mlx5_priv, qp_table);
- dev = container_of(priv, struct mlx5_core_dev, priv);
-
- mlx5_core_dbg(dev, "event (%d) arrived on resource 0x%x\n", eqe->type, rsn);
-
common = mlx5_get_rsc(table, rsn);
- if (!common) {
- mlx5_core_dbg(dev, "Async event for unknown resource 0x%x\n", rsn);
+ if (!common)
return NOTIFY_OK;
- }
- if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type)) {
- mlx5_core_warn(dev, "event 0x%.2x is not allowed on resource 0x%.8x\n",
- event_type, rsn);
+ if (!is_event_type_allowed((rsn >> MLX5_USER_INDEX_LEN), event_type))
goto out;
- }
switch (common->res) {
case MLX5_RES_QP:
@@ -185,7 +142,7 @@ static int rsc_event_notifier(struct notifier_block *nb,
complete(&dct->drained);
break;
default:
- mlx5_core_warn(dev, "invalid resource type for 0x%x\n", rsn);
+ break;
}
out:
mlx5_core_put_rsc(common);
@@ -193,11 +150,10 @@ out:
return NOTIFY_OK;
}
-static int create_resource_common(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *qp,
- int rsc_type)
+static int create_resource_common(struct mlx5_ib_dev *dev,
+ struct mlx5_core_qp *qp, int rsc_type)
{
- struct mlx5_qp_table *table = &dev->priv.qp_table;
+ struct mlx5_qp_table *table = &dev->qp_table;
int err;
qp->common.res = rsc_type;
@@ -216,10 +172,10 @@ static int create_resource_common(struct mlx5_core_dev *dev,
return 0;
}
-static void destroy_resource_common(struct mlx5_core_dev *dev,
+static void destroy_resource_common(struct mlx5_ib_dev *dev,
struct mlx5_core_qp *qp)
{
- struct mlx5_qp_table *table = &dev->priv.qp_table;
+ struct mlx5_qp_table *table = &dev->qp_table;
unsigned long flags;
spin_lock_irqsave(&table->lock, flags);
@@ -230,24 +186,19 @@ static void destroy_resource_common(struct mlx5_core_dev *dev,
wait_for_completion(&qp->common.free);
}
-static int _mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
+static int _mlx5_core_destroy_dct(struct mlx5_ib_dev *dev,
struct mlx5_core_dct *dct, bool need_cleanup)
{
- u32 out[MLX5_ST_SZ_DW(destroy_dct_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_dct_in)] = {};
struct mlx5_core_qp *qp = &dct->mqp;
int err;
err = mlx5_core_drain_dct(dev, dct);
if (err) {
- if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
+ if (dev->mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR)
goto destroy;
- } else {
- mlx5_core_warn(
- dev, "failed drain DCT 0x%x with error 0x%x\n",
- qp->qpn, err);
- return err;
- }
+
+ return err;
}
wait_for_completion(&dct->drained);
destroy:
@@ -256,15 +207,12 @@ destroy:
MLX5_SET(destroy_dct_in, in, opcode, MLX5_CMD_OP_DESTROY_DCT);
MLX5_SET(destroy_dct_in, in, dctn, qp->qpn);
MLX5_SET(destroy_dct_in, in, uid, qp->uid);
- err = mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
- (void *)&out, sizeof(out));
+ err = mlx5_cmd_exec_in(dev->mdev, destroy_dct, in);
return err;
}
-int mlx5_core_create_dct(struct mlx5_core_dev *dev,
- struct mlx5_core_dct *dct,
- u32 *in, int inlen,
- u32 *out, int outlen)
+int mlx5_core_create_dct(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
+ u32 *in, int inlen, u32 *out, int outlen)
{
struct mlx5_core_qp *qp = &dct->mqp;
int err;
@@ -272,11 +220,9 @@ int mlx5_core_create_dct(struct mlx5_core_dev *dev,
init_completion(&dct->drained);
MLX5_SET(create_dct_in, in, opcode, MLX5_CMD_OP_CREATE_DCT);
- err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
- if (err) {
- mlx5_core_warn(dev, "create DCT failed, ret %d\n", err);
+ err = mlx5_cmd_exec(dev->mdev, in, inlen, out, outlen);
+ if (err)
return err;
- }
qp->qpn = MLX5_GET(create_dct_out, out, dctn);
qp->uid = MLX5_GET(create_dct_in, in, uid);
@@ -289,108 +235,83 @@ err_cmd:
_mlx5_core_destroy_dct(dev, dct, false);
return err;
}
-EXPORT_SYMBOL_GPL(mlx5_core_create_dct);
-int mlx5_core_create_qp(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *qp,
+int mlx5_core_create_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
u32 *in, int inlen)
{
- u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {0};
- u32 dout[MLX5_ST_SZ_DW(destroy_qp_out)];
- u32 din[MLX5_ST_SZ_DW(destroy_qp_in)];
+ u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {};
+ u32 din[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
int err;
MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
- err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ err = mlx5_cmd_exec(dev->mdev, in, inlen, out, sizeof(out));
if (err)
return err;
qp->uid = MLX5_GET(create_qp_in, in, uid);
qp->qpn = MLX5_GET(create_qp_out, out, qpn);
- mlx5_core_dbg(dev, "qpn = 0x%x\n", qp->qpn);
err = create_resource_common(dev, qp, MLX5_RES_QP);
if (err)
goto err_cmd;
- err = mlx5_debug_qp_add(dev, qp);
- if (err)
- mlx5_core_dbg(dev, "failed adding QP 0x%x to debug file system\n",
- qp->qpn);
-
- atomic_inc(&dev->num_qps);
+ mlx5_debug_qp_add(dev->mdev, qp);
return 0;
err_cmd:
- memset(din, 0, sizeof(din));
- memset(dout, 0, sizeof(dout));
MLX5_SET(destroy_qp_in, din, opcode, MLX5_CMD_OP_DESTROY_QP);
MLX5_SET(destroy_qp_in, din, qpn, qp->qpn);
MLX5_SET(destroy_qp_in, din, uid, qp->uid);
- mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout));
+ mlx5_cmd_exec_in(dev->mdev, destroy_qp, din);
return err;
}
-EXPORT_SYMBOL_GPL(mlx5_core_create_qp);
-static int mlx5_core_drain_dct(struct mlx5_core_dev *dev,
+static int mlx5_core_drain_dct(struct mlx5_ib_dev *dev,
struct mlx5_core_dct *dct)
{
- u32 out[MLX5_ST_SZ_DW(drain_dct_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(drain_dct_in)] = {};
struct mlx5_core_qp *qp = &dct->mqp;
MLX5_SET(drain_dct_in, in, opcode, MLX5_CMD_OP_DRAIN_DCT);
MLX5_SET(drain_dct_in, in, dctn, qp->qpn);
MLX5_SET(drain_dct_in, in, uid, qp->uid);
- return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
- (void *)&out, sizeof(out));
+ return mlx5_cmd_exec_in(dev->mdev, drain_dct, in);
}
-int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
+int mlx5_core_destroy_dct(struct mlx5_ib_dev *dev,
struct mlx5_core_dct *dct)
{
return _mlx5_core_destroy_dct(dev, dct, true);
}
-EXPORT_SYMBOL_GPL(mlx5_core_destroy_dct);
-int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *qp)
+int mlx5_core_destroy_qp(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp)
{
- u32 out[MLX5_ST_SZ_DW(destroy_qp_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {0};
- int err;
+ u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
- mlx5_debug_qp_remove(dev, qp);
+ mlx5_debug_qp_remove(dev->mdev, qp);
destroy_resource_common(dev, qp);
MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
MLX5_SET(destroy_qp_in, in, qpn, qp->qpn);
MLX5_SET(destroy_qp_in, in, uid, qp->uid);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
- if (err)
- return err;
-
- atomic_dec(&dev->num_qps);
+ mlx5_cmd_exec_in(dev->mdev, destroy_qp, in);
return 0;
}
-EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp);
-int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
+int mlx5_core_set_delay_drop(struct mlx5_ib_dev *dev,
u32 timeout_usec)
{
- u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)] = {};
MLX5_SET(set_delay_drop_params_in, in, opcode,
MLX5_CMD_OP_SET_DELAY_DROP_PARAMS);
MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout,
timeout_usec / 100);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev->mdev, set_delay_drop_params, in);
}
-EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop);
struct mbox_info {
u32 *in;
@@ -496,120 +417,112 @@ static int modify_qp_mbox_alloc(struct mlx5_core_dev *dev, u16 opcode, int qpn,
opt_param_mask, qpc, uid);
break;
default:
- mlx5_core_err(dev, "Unknown transition for modify QP: OP(0x%x) QPN(0x%x)\n",
- opcode, qpn);
return -EINVAL;
}
return 0;
}
-int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
- u32 opt_param_mask, void *qpc,
- struct mlx5_core_qp *qp)
+int mlx5_core_qp_modify(struct mlx5_ib_dev *dev, u16 opcode, u32 opt_param_mask,
+ void *qpc, struct mlx5_core_qp *qp)
{
struct mbox_info mbox;
int err;
- err = modify_qp_mbox_alloc(dev, opcode, qp->qpn,
+ err = modify_qp_mbox_alloc(dev->mdev, opcode, qp->qpn,
opt_param_mask, qpc, &mbox, qp->uid);
if (err)
return err;
- err = mlx5_cmd_exec(dev, mbox.in, mbox.inlen, mbox.out, mbox.outlen);
+ err = mlx5_cmd_exec(dev->mdev, mbox.in, mbox.inlen, mbox.out,
+ mbox.outlen);
mbox_free(&mbox);
return err;
}
-EXPORT_SYMBOL_GPL(mlx5_core_qp_modify);
-void mlx5_init_qp_table(struct mlx5_core_dev *dev)
+int mlx5_init_qp_table(struct mlx5_ib_dev *dev)
{
- struct mlx5_qp_table *table = &dev->priv.qp_table;
+ struct mlx5_qp_table *table = &dev->qp_table;
- memset(table, 0, sizeof(*table));
spin_lock_init(&table->lock);
INIT_RADIX_TREE(&table->tree, GFP_ATOMIC);
- mlx5_qp_debugfs_init(dev);
+ mlx5_qp_debugfs_init(dev->mdev);
table->nb.notifier_call = rsc_event_notifier;
- mlx5_notifier_register(dev, &table->nb);
+ mlx5_notifier_register(dev->mdev, &table->nb);
+
+ return 0;
}
-void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev)
+void mlx5_cleanup_qp_table(struct mlx5_ib_dev *dev)
{
- struct mlx5_qp_table *table = &dev->priv.qp_table;
+ struct mlx5_qp_table *table = &dev->qp_table;
- mlx5_notifier_unregister(dev, &table->nb);
- mlx5_qp_debugfs_cleanup(dev);
+ mlx5_notifier_unregister(dev->mdev, &table->nb);
+ mlx5_qp_debugfs_cleanup(dev->mdev);
}
-int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
+int mlx5_core_qp_query(struct mlx5_ib_dev *dev, struct mlx5_core_qp *qp,
u32 *out, int outlen)
{
- u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
MLX5_SET(query_qp_in, in, qpn, qp->qpn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, outlen);
}
-EXPORT_SYMBOL_GPL(mlx5_core_qp_query);
-int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
+int mlx5_core_dct_query(struct mlx5_ib_dev *dev, struct mlx5_core_dct *dct,
u32 *out, int outlen)
{
- u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_dct_in)] = {};
struct mlx5_core_qp *qp = &dct->mqp;
MLX5_SET(query_dct_in, in, opcode, MLX5_CMD_OP_QUERY_DCT);
MLX5_SET(query_dct_in, in, dctn, qp->qpn);
- return mlx5_cmd_exec(dev, (void *)&in, sizeof(in),
- (void *)out, outlen);
+ return mlx5_cmd_exec(dev->mdev, (void *)&in, sizeof(in), (void *)out,
+ outlen);
}
-EXPORT_SYMBOL_GPL(mlx5_core_dct_query);
-int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn)
+int mlx5_core_xrcd_alloc(struct mlx5_ib_dev *dev, u32 *xrcdn)
{
- u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_xrcd_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_xrcd_in)] = {};
int err;
MLX5_SET(alloc_xrcd_in, in, opcode, MLX5_CMD_OP_ALLOC_XRCD);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev->mdev, alloc_xrcd, in, out);
if (!err)
*xrcdn = MLX5_GET(alloc_xrcd_out, out, xrcd);
return err;
}
-EXPORT_SYMBOL_GPL(mlx5_core_xrcd_alloc);
-int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn)
+int mlx5_core_xrcd_dealloc(struct mlx5_ib_dev *dev, u32 xrcdn)
{
- u32 out[MLX5_ST_SZ_DW(dealloc_xrcd_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(dealloc_xrcd_in)] = {};
MLX5_SET(dealloc_xrcd_in, in, opcode, MLX5_CMD_OP_DEALLOC_XRCD);
MLX5_SET(dealloc_xrcd_in, in, xrcd, xrcdn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev->mdev, dealloc_xrcd, in);
}
-EXPORT_SYMBOL_GPL(mlx5_core_xrcd_dealloc);
-static void destroy_rq_tracked(struct mlx5_core_dev *dev, u32 rqn, u16 uid)
+static void destroy_rq_tracked(struct mlx5_ib_dev *dev, u32 rqn, u16 uid)
{
- u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {};
- u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {};
MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
MLX5_SET(destroy_rq_in, in, rqn, rqn);
MLX5_SET(destroy_rq_in, in, uid, uid);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev->mdev, destroy_rq, in);
}
-int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
+int mlx5_core_create_rq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
struct mlx5_core_qp *rq)
{
int err;
u32 rqn;
- err = mlx5_core_create_rq(dev, in, inlen, &rqn);
+ err = mlx5_core_create_rq(dev->mdev, in, inlen, &rqn);
if (err)
return err;
@@ -626,39 +539,37 @@ err_destroy_rq:
return err;
}
-EXPORT_SYMBOL(mlx5_core_create_rq_tracked);
-void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
+void mlx5_core_destroy_rq_tracked(struct mlx5_ib_dev *dev,
struct mlx5_core_qp *rq)
{
destroy_resource_common(dev, rq);
destroy_rq_tracked(dev, rq->qpn, rq->uid);
}
-EXPORT_SYMBOL(mlx5_core_destroy_rq_tracked);
-static void destroy_sq_tracked(struct mlx5_core_dev *dev, u32 sqn, u16 uid)
+static void destroy_sq_tracked(struct mlx5_ib_dev *dev, u32 sqn, u16 uid)
{
- u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {};
- u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {};
MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
MLX5_SET(destroy_sq_in, in, sqn, sqn);
MLX5_SET(destroy_sq_in, in, uid, uid);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev->mdev, destroy_sq, in);
}
-int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
+int mlx5_core_create_sq_tracked(struct mlx5_ib_dev *dev, u32 *in, int inlen,
struct mlx5_core_qp *sq)
{
+ u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {};
int err;
- u32 sqn;
- err = mlx5_core_create_sq(dev, in, inlen, &sqn);
+ MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
+ err = mlx5_cmd_exec(dev->mdev, in, inlen, out, sizeof(out));
if (err)
return err;
+ sq->qpn = MLX5_GET(create_sq_out, out, sqn);
sq->uid = MLX5_GET(create_sq_in, in, uid);
- sq->qpn = sqn;
err = create_resource_common(dev, sq, MLX5_RES_SQ);
if (err)
goto err_destroy_sq;
@@ -670,68 +581,25 @@ err_destroy_sq:
return err;
}
-EXPORT_SYMBOL(mlx5_core_create_sq_tracked);
-void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
+void mlx5_core_destroy_sq_tracked(struct mlx5_ib_dev *dev,
struct mlx5_core_qp *sq)
{
destroy_resource_common(dev, sq);
destroy_sq_tracked(dev, sq->qpn, sq->uid);
}
-EXPORT_SYMBOL(mlx5_core_destroy_sq_tracked);
-
-int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id)
-{
- u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
- int err;
-
- MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
- if (!err)
- *counter_id = MLX5_GET(alloc_q_counter_out, out,
- counter_set_id);
- return err;
-}
-EXPORT_SYMBOL_GPL(mlx5_core_alloc_q_counter);
-
-int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id)
-{
- u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(dealloc_q_counter_out)] = {0};
-
- MLX5_SET(dealloc_q_counter_in, in, opcode,
- MLX5_CMD_OP_DEALLOC_Q_COUNTER);
- MLX5_SET(dealloc_q_counter_in, in, counter_set_id, counter_id);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-EXPORT_SYMBOL_GPL(mlx5_core_dealloc_q_counter);
-
-int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
- int reset, void *out, int out_size)
-{
- u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {0};
-
- MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
- MLX5_SET(query_q_counter_in, in, clear, reset);
- MLX5_SET(query_q_counter_in, in, counter_set_id, counter_id);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
-}
-EXPORT_SYMBOL_GPL(mlx5_core_query_q_counter);
-struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev,
+struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_ib_dev *dev,
int res_num,
enum mlx5_res_type res_type)
{
u32 rsn = res_num | (res_type << MLX5_USER_INDEX_LEN);
- struct mlx5_qp_table *table = &dev->priv.qp_table;
+ struct mlx5_qp_table *table = &dev->qp_table;
return mlx5_get_rsc(table, rsn);
}
-EXPORT_SYMBOL_GPL(mlx5_core_res_hold);
void mlx5_core_res_put(struct mlx5_core_rsc_common *res)
{
mlx5_core_put_rsc(res);
}
-EXPORT_SYMBOL_GPL(mlx5_core_res_put);
diff --git a/drivers/infiniband/hw/mlx5/srq_cmd.c b/drivers/infiniband/hw/mlx5/srq_cmd.c
index 8fc3630a9d4c..c851570791af 100644
--- a/drivers/infiniband/hw/mlx5/srq_cmd.c
+++ b/drivers/infiniband/hw/mlx5/srq_cmd.c
@@ -5,9 +5,9 @@
#include <linux/kernel.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_ib.h"
#include "srq.h"
+#include "qp.h"
static int get_pas_size(struct mlx5_srq_attr *in)
{
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 568b21eb6ea1..021df0654ba7 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -760,7 +760,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
qib_dev_err(dd,
"Skipping linkcontrol sysfs info, (err %d) port %u\n",
ret, port_num);
- goto bail;
+ goto bail_link;
}
kobject_uevent(&ppd->pport_kobj, KOBJ_ADD);
@@ -770,7 +770,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
qib_dev_err(dd,
"Skipping sl2vl sysfs info, (err %d) port %u\n",
ret, port_num);
- goto bail_link;
+ goto bail_sl;
}
kobject_uevent(&ppd->sl2vl_kobj, KOBJ_ADD);
@@ -780,7 +780,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
qib_dev_err(dd,
"Skipping diag_counters sysfs info, (err %d) port %u\n",
ret, port_num);
- goto bail_sl;
+ goto bail_diagc;
}
kobject_uevent(&ppd->diagc_kobj, KOBJ_ADD);
@@ -793,7 +793,7 @@ int qib_create_port_files(struct ib_device *ibdev, u8 port_num,
qib_dev_err(dd,
"Skipping Congestion Control sysfs info, (err %d) port %u\n",
ret, port_num);
- goto bail_diagc;
+ goto bail_cc;
}
kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD);
@@ -854,6 +854,7 @@ void qib_verbs_unregister_sysfs(struct qib_devdata *dd)
&cc_table_bin_attr);
kobject_put(&ppd->pport_cc_kobj);
}
+ kobject_put(&ppd->diagc_kobj);
kobject_put(&ppd->sl2vl_kobj);
kobject_put(&ppd->pport_kobj);
}
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
index e580ae9cc55a..780fd2dfc07e 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
@@ -829,7 +829,7 @@ static int pvrdma_pci_probe(struct pci_dev *pdev,
!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
dev_err(&pdev->dev, "PCI BAR region not MMIO\n");
ret = -ENOMEM;
- goto err_free_device;
+ goto err_disable_pdev;
}
ret = pci_request_regions(pdev, DRV_NAME);
diff --git a/drivers/infiniband/sw/rdmavt/cq.c b/drivers/infiniband/sw/rdmavt/cq.c
index 5724cbbe38b1..04d2e72017fe 100644
--- a/drivers/infiniband/sw/rdmavt/cq.c
+++ b/drivers/infiniband/sw/rdmavt/cq.c
@@ -248,8 +248,8 @@ int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
*/
if (udata && udata->outlen >= sizeof(__u64)) {
cq->ip = rvt_create_mmap_info(rdi, sz, udata, u_wc);
- if (!cq->ip) {
- err = -ENOMEM;
+ if (IS_ERR(cq->ip)) {
+ err = PTR_ERR(cq->ip);
goto bail_wc;
}
diff --git a/drivers/infiniband/sw/rdmavt/mmap.c b/drivers/infiniband/sw/rdmavt/mmap.c
index 652f4a7efc1b..37853aa3bcf7 100644
--- a/drivers/infiniband/sw/rdmavt/mmap.c
+++ b/drivers/infiniband/sw/rdmavt/mmap.c
@@ -154,7 +154,7 @@ done:
* @udata: user data (must be valid!)
* @obj: opaque pointer to a cq, wq etc
*
- * Return: rvt_mmap struct on success
+ * Return: rvt_mmap struct on success, ERR_PTR on failure
*/
struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
struct ib_udata *udata, void *obj)
@@ -166,7 +166,7 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, u32 size,
ip = kmalloc_node(sizeof(*ip), GFP_KERNEL, rdi->dparms.node);
if (!ip)
- return ip;
+ return ERR_PTR(-ENOMEM);
size = PAGE_ALIGN(size);
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index 0e1b291d2cec..500a7ee04c44 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1244,8 +1244,8 @@ struct ib_qp *rvt_create_qp(struct ib_pd *ibpd,
qp->ip = rvt_create_mmap_info(rdi, s, udata,
qp->r_rq.wq);
- if (!qp->ip) {
- ret = ERR_PTR(-ENOMEM);
+ if (IS_ERR(qp->ip)) {
+ ret = ERR_CAST(qp->ip);
goto bail_qpn;
}
diff --git a/drivers/infiniband/sw/rdmavt/srq.c b/drivers/infiniband/sw/rdmavt/srq.c
index 24fef021d51d..f547c115af03 100644
--- a/drivers/infiniband/sw/rdmavt/srq.c
+++ b/drivers/infiniband/sw/rdmavt/srq.c
@@ -111,8 +111,8 @@ int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz;
srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq);
- if (!srq->ip) {
- ret = -ENOMEM;
+ if (IS_ERR(srq->ip)) {
+ ret = PTR_ERR(srq->ip);
goto bail_wq;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_mmap.c b/drivers/infiniband/sw/rxe/rxe_mmap.c
index 48f48122ddcb..6a413d73b95d 100644
--- a/drivers/infiniband/sw/rxe/rxe_mmap.c
+++ b/drivers/infiniband/sw/rxe/rxe_mmap.c
@@ -151,7 +151,7 @@ struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe, u32 size,
ip = kmalloc(sizeof(*ip), GFP_KERNEL);
if (!ip)
- return NULL;
+ return ERR_PTR(-ENOMEM);
size = PAGE_ALIGN(size);
diff --git a/drivers/infiniband/sw/rxe/rxe_queue.c b/drivers/infiniband/sw/rxe/rxe_queue.c
index ff92704de32f..245040c3a35d 100644
--- a/drivers/infiniband/sw/rxe/rxe_queue.c
+++ b/drivers/infiniband/sw/rxe/rxe_queue.c
@@ -45,12 +45,15 @@ int do_mmap_info(struct rxe_dev *rxe, struct mminfo __user *outbuf,
if (outbuf) {
ip = rxe_create_mmap_info(rxe, buf_size, udata, buf);
- if (!ip)
+ if (IS_ERR(ip)) {
+ err = PTR_ERR(ip);
goto err1;
+ }
- err = copy_to_user(outbuf, &ip->info, sizeof(ip->info));
- if (err)
+ if (copy_to_user(outbuf, &ip->info, sizeof(ip->info))) {
+ err = -EFAULT;
goto err2;
+ }
spin_lock_bh(&rxe->pending_lock);
list_add(&ip->pending_mmaps, &rxe->pending_mmaps);
@@ -64,7 +67,7 @@ int do_mmap_info(struct rxe_dev *rxe, struct mminfo __user *outbuf,
err2:
kfree(ip);
err1:
- return -EINVAL;
+ return err;
}
inline void rxe_queue_reset(struct rxe_queue *q)
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 559e5fd3bad8..1662216be66d 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -947,16 +947,8 @@ static void siw_accept_newconn(struct siw_cep *cep)
siw_cep_get(new_cep);
new_s->sk->sk_user_data = new_cep;
- if (siw_tcp_nagle == false) {
- int val = 1;
-
- rv = kernel_setsockopt(new_s, SOL_TCP, TCP_NODELAY,
- (char *)&val, sizeof(val));
- if (rv) {
- siw_dbg_cep(cep, "setsockopt NODELAY error: %d\n", rv);
- goto error;
- }
- }
+ if (siw_tcp_nagle == false)
+ tcp_sock_set_nodelay(new_s->sk);
new_cep->state = SIW_EPSTATE_AWAIT_MPAREQ;
rv = siw_cm_queue_work(new_cep, SIW_CM_WORK_MPATIMEOUT);
@@ -1312,17 +1304,14 @@ static void siw_cm_llp_state_change(struct sock *sk)
static int kernel_bindconnect(struct socket *s, struct sockaddr *laddr,
struct sockaddr *raddr)
{
- int rv, flags = 0, s_val = 1;
+ int rv, flags = 0;
size_t size = laddr->sa_family == AF_INET ?
sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
/*
* Make address available again asap.
*/
- rv = kernel_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&s_val,
- sizeof(s_val));
- if (rv < 0)
- return rv;
+ sock_set_reuseaddr(s->sk);
rv = s->ops->bind(s, laddr, size);
if (rv < 0)
@@ -1389,16 +1378,8 @@ int siw_connect(struct iw_cm_id *id, struct iw_cm_conn_param *params)
siw_dbg_qp(qp, "kernel_bindconnect: error %d\n", rv);
goto error;
}
- if (siw_tcp_nagle == false) {
- int val = 1;
-
- rv = kernel_setsockopt(s, SOL_TCP, TCP_NODELAY, (char *)&val,
- sizeof(val));
- if (rv) {
- siw_dbg_qp(qp, "setsockopt NODELAY error: %d\n", rv);
- goto error;
- }
- }
+ if (siw_tcp_nagle == false)
+ tcp_sock_set_nodelay(s->sk);
cep = siw_cep_alloc(sdev);
if (!cep) {
rv = -ENOMEM;
@@ -1781,7 +1762,7 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
struct siw_cep *cep = NULL;
struct siw_device *sdev = to_siw_dev(id->device);
int addr_family = id->local_addr.ss_family;
- int rv = 0, s_val;
+ int rv = 0;
if (addr_family != AF_INET && addr_family != AF_INET6)
return -EAFNOSUPPORT;
@@ -1793,13 +1774,8 @@ int siw_create_listen(struct iw_cm_id *id, int backlog)
/*
* Allow binding local port when still in TIME_WAIT from last close.
*/
- s_val = 1;
- rv = kernel_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, (char *)&s_val,
- sizeof(s_val));
- if (rv) {
- siw_dbg(id->device, "setsockopt error: %d\n", rv);
- goto error;
- }
+ sock_set_reuseaddr(s->sk);
+
if (addr_family == AF_INET) {
struct sockaddr_in *laddr = &to_sockaddr_in(id->local_addr);
diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c
index ae92c8080967..9f53aa4feb87 100644
--- a/drivers/infiniband/sw/siw/siw_qp_tx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_tx.c
@@ -920,20 +920,27 @@ static int siw_fastreg_mr(struct ib_pd *pd, struct siw_sqe *sqe)
{
struct ib_mr *base_mr = (struct ib_mr *)(uintptr_t)sqe->base_mr;
struct siw_device *sdev = to_siw_dev(pd->device);
- struct siw_mem *mem = siw_mem_id2obj(sdev, sqe->rkey >> 8);
+ struct siw_mem *mem;
int rv = 0;
siw_dbg_pd(pd, "STag 0x%08x\n", sqe->rkey);
- if (unlikely(!mem || !base_mr)) {
+ if (unlikely(!base_mr)) {
pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey);
return -EINVAL;
}
+
if (unlikely(base_mr->rkey >> 8 != sqe->rkey >> 8)) {
pr_warn("siw: fastreg: STag 0x%08x: bad MR\n", sqe->rkey);
- rv = -EINVAL;
- goto out;
+ return -EINVAL;
}
+
+ mem = siw_mem_id2obj(sdev, sqe->rkey >> 8);
+ if (unlikely(!mem)) {
+ pr_warn("siw: fastreg: STag 0x%08x unknown\n", sqe->rkey);
+ return -EINVAL;
+ }
+
if (unlikely(mem->pd != pd)) {
pr_warn("siw: fastreg: PD mismatch\n");
rv = -EINVAL;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index e188a95984b5..9a3379c49541 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -377,8 +377,12 @@ struct ipoib_dev_priv {
struct ipoib_rx_buf *rx_ring;
struct ipoib_tx_buf *tx_ring;
+ /* cyclic ring variables for managing tx_ring, for UD only */
unsigned int tx_head;
unsigned int tx_tail;
+ /* cyclic ring variables for counting overall outstanding send WRs */
+ unsigned int global_tx_head;
+ unsigned int global_tx_tail;
struct ib_sge tx_sge[MAX_SKB_FRAGS + 1];
struct ib_ud_wr tx_wr;
struct ib_wc send_wc[MAX_SEND_CQE];
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index c59e00a0881f..9bf0fa30df28 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -756,7 +756,8 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
return;
}
- if ((priv->tx_head - priv->tx_tail) == ipoib_sendq_size - 1) {
+ if ((priv->global_tx_head - priv->global_tx_tail) ==
+ ipoib_sendq_size - 1) {
ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n",
tx->qp->qp_num);
netif_stop_queue(dev);
@@ -786,7 +787,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
} else {
netif_trans_update(dev);
++tx->tx_head;
- ++priv->tx_head;
+ ++priv->global_tx_head;
}
}
@@ -820,10 +821,11 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
netif_tx_lock(dev);
++tx->tx_tail;
- ++priv->tx_tail;
+ ++priv->global_tx_tail;
if (unlikely(netif_queue_stopped(dev) &&
- (priv->tx_head - priv->tx_tail) <= ipoib_sendq_size >> 1 &&
+ ((priv->global_tx_head - priv->global_tx_tail) <=
+ ipoib_sendq_size >> 1) &&
test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)))
netif_wake_queue(dev);
@@ -1232,8 +1234,9 @@ timeout:
dev_kfree_skb_any(tx_req->skb);
netif_tx_lock_bh(p->dev);
++p->tx_tail;
- ++priv->tx_tail;
- if (unlikely(priv->tx_head - priv->tx_tail == ipoib_sendq_size >> 1) &&
+ ++priv->global_tx_tail;
+ if (unlikely((priv->global_tx_head - priv->global_tx_tail) <=
+ ipoib_sendq_size >> 1) &&
netif_queue_stopped(p->dev) &&
test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
netif_wake_queue(p->dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index c332b4761816..da3c5315bbb5 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -407,9 +407,11 @@ static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
dev_kfree_skb_any(tx_req->skb);
++priv->tx_tail;
+ ++priv->global_tx_tail;
if (unlikely(netif_queue_stopped(dev) &&
- ((priv->tx_head - priv->tx_tail) <= ipoib_sendq_size >> 1) &&
+ ((priv->global_tx_head - priv->global_tx_tail) <=
+ ipoib_sendq_size >> 1) &&
test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)))
netif_wake_queue(dev);
@@ -634,7 +636,8 @@ int ipoib_send(struct net_device *dev, struct sk_buff *skb,
else
priv->tx_wr.wr.send_flags &= ~IB_SEND_IP_CSUM;
/* increase the tx_head after send success, but use it for queue state */
- if (priv->tx_head - priv->tx_tail == ipoib_sendq_size - 1) {
+ if ((priv->global_tx_head - priv->global_tx_tail) ==
+ ipoib_sendq_size - 1) {
ipoib_dbg(priv, "TX ring full, stopping kernel net queue\n");
netif_stop_queue(dev);
}
@@ -662,6 +665,7 @@ int ipoib_send(struct net_device *dev, struct sk_buff *skb,
rc = priv->tx_head;
++priv->tx_head;
+ ++priv->global_tx_head;
}
return rc;
}
@@ -807,6 +811,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev)
ipoib_dma_unmap_tx(priv, tx_req);
dev_kfree_skb_any(tx_req->skb);
++priv->tx_tail;
+ ++priv->global_tx_tail;
}
for (i = 0; i < ipoib_recvq_size; ++i) {
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 81b8227214f1..ceec24d45185 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1184,9 +1184,11 @@ static void ipoib_timeout(struct net_device *dev, unsigned int txqueue)
ipoib_warn(priv, "transmit timeout: latency %d msecs\n",
jiffies_to_msecs(jiffies - dev_trans_start(dev)));
- ipoib_warn(priv, "queue stopped %d, tx_head %u, tx_tail %u\n",
- netif_queue_stopped(dev),
- priv->tx_head, priv->tx_tail);
+ ipoib_warn(priv,
+ "queue stopped %d, tx_head %u, tx_tail %u, global_tx_head %u, global_tx_tail %u\n",
+ netif_queue_stopped(dev), priv->tx_head, priv->tx_tail,
+ priv->global_tx_head, priv->global_tx_tail);
+
/* XXX reset QP, etc. */
}
@@ -1701,7 +1703,7 @@ static int ipoib_dev_init_default(struct net_device *dev)
goto out_rx_ring_cleanup;
}
- /* priv->tx_head, tx_tail & tx_outstanding are already 0 */
+ /* priv->tx_head, tx_tail and global_tx_tail/head are already 0 */
if (ipoib_transport_dev_init(dev, priv->ca)) {
pr_warn("%s: ipoib_transport_dev_init failed\n",
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index cb6e3a5f509c..0d57e51b8ba1 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -326,20 +326,6 @@ static int evdev_fasync(int fd, struct file *file, int on)
return fasync_helper(fd, file, on, &client->fasync);
}
-static int evdev_flush(struct file *file, fl_owner_t id)
-{
- struct evdev_client *client = file->private_data;
- struct evdev *evdev = client->evdev;
-
- mutex_lock(&evdev->mutex);
-
- if (evdev->exist && !client->revoked)
- input_flush_device(&evdev->handle, file);
-
- mutex_unlock(&evdev->mutex);
- return 0;
-}
-
static void evdev_free(struct device *dev)
{
struct evdev *evdev = container_of(dev, struct evdev, dev);
@@ -453,6 +439,10 @@ static int evdev_release(struct inode *inode, struct file *file)
unsigned int i;
mutex_lock(&evdev->mutex);
+
+ if (evdev->exist && !client->revoked)
+ input_flush_device(&evdev->handle, file);
+
evdev_ungrab(evdev, client);
mutex_unlock(&evdev->mutex);
@@ -1310,7 +1300,6 @@ static const struct file_operations evdev_fops = {
.compat_ioctl = evdev_ioctl_compat,
#endif
.fasync = evdev_fasync,
- .flush = evdev_flush,
.llseek = no_llseek,
};
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 6b40a1c68f9f..c77cdb3b62b5 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -459,6 +459,16 @@ static const u8 xboxone_fw2015_init[] = {
};
/*
+ * This packet is required for Xbox One S (0x045e:0x02ea)
+ * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to
+ * initialize the controller that was previously used in
+ * Bluetooth mode.
+ */
+static const u8 xboxone_s_init[] = {
+ 0x05, 0x20, 0x00, 0x0f, 0x06
+};
+
+/*
* This packet is required for the Titanfall 2 Xbox One pads
* (0x0e6f:0x0165) to finish initialization and for Hori pads
* (0x0f0d:0x0067) to make the analog sticks work.
@@ -516,6 +526,8 @@ static const struct xboxone_init_packet xboxone_init_packets[] = {
XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_init),
XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_fw2015_init),
+ XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init),
+ XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init),
XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init1),
XBOXONE_INIT_PKT(0x0e6f, 0x0000, xboxone_pdp_init2),
XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
diff --git a/drivers/input/keyboard/applespi.c b/drivers/input/keyboard/applespi.c
index d38398526965..14362ebab9a9 100644
--- a/drivers/input/keyboard/applespi.c
+++ b/drivers/input/keyboard/applespi.c
@@ -186,7 +186,7 @@ struct touchpad_protocol {
u8 number_of_fingers;
u8 clicked2;
u8 unknown3[16];
- struct tp_finger fingers[0];
+ struct tp_finger fingers[];
};
/**
diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 2b71c5a51f90..fc1793ca2f17 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -347,18 +347,14 @@ static int cros_ec_keyb_info(struct cros_ec_device *ec_dev,
params->info_type = info_type;
params->event_type = event_type;
- ret = cros_ec_cmd_xfer(ec_dev, msg);
- if (ret < 0) {
- dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n",
- (int)info_type, (int)event_type, ret);
- } else if (msg->result == EC_RES_INVALID_VERSION) {
+ ret = cros_ec_cmd_xfer_status(ec_dev, msg);
+ if (ret == -ENOTSUPP) {
/* With older ECs we just return 0 for everything */
memset(result, 0, result_size);
ret = 0;
- } else if (msg->result != EC_RES_SUCCESS) {
- dev_warn(ec_dev->dev, "Error getting info %d/%d: %d\n",
- (int)info_type, (int)event_type, msg->result);
- ret = -EPROTO;
+ } else if (ret < 0) {
+ dev_warn(ec_dev->dev, "Transfer error %d/%d: %d\n",
+ (int)info_type, (int)event_type, ret);
} else if (ret != result_size) {
dev_warn(ec_dev->dev, "Wrong size %d/%d: %d != %zu\n",
(int)info_type, (int)event_type,
diff --git a/drivers/input/keyboard/dlink-dir685-touchkeys.c b/drivers/input/keyboard/dlink-dir685-touchkeys.c
index b0ead7199c40..a69dcc3bd30c 100644
--- a/drivers/input/keyboard/dlink-dir685-touchkeys.c
+++ b/drivers/input/keyboard/dlink-dir685-touchkeys.c
@@ -143,7 +143,7 @@ MODULE_DEVICE_TABLE(of, dir685_tk_of_match);
static struct i2c_driver dir685_tk_i2c_driver = {
.driver = {
- .name = "dlin-dir685-touchkeys",
+ .name = "dlink-dir685-touchkeys",
.of_match_table = of_match_ptr(dir685_tk_of_match),
},
.probe = dir685_tk_probe,
diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c
index c8f87df93a50..9c6386b2af33 100644
--- a/drivers/input/misc/axp20x-pek.c
+++ b/drivers/input/misc/axp20x-pek.c
@@ -205,8 +205,11 @@ ATTRIBUTE_GROUPS(axp20x);
static irqreturn_t axp20x_pek_irq(int irq, void *pwr)
{
- struct input_dev *idev = pwr;
- struct axp20x_pek *axp20x_pek = input_get_drvdata(idev);
+ struct axp20x_pek *axp20x_pek = pwr;
+ struct input_dev *idev = axp20x_pek->input;
+
+ if (!idev)
+ return IRQ_HANDLED;
/*
* The power-button is connected to ground so a falling edge (dbf)
@@ -225,22 +228,9 @@ static irqreturn_t axp20x_pek_irq(int irq, void *pwr)
static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek,
struct platform_device *pdev)
{
- struct axp20x_dev *axp20x = axp20x_pek->axp20x;
struct input_dev *idev;
int error;
- axp20x_pek->irq_dbr = platform_get_irq_byname(pdev, "PEK_DBR");
- if (axp20x_pek->irq_dbr < 0)
- return axp20x_pek->irq_dbr;
- axp20x_pek->irq_dbr = regmap_irq_get_virq(axp20x->regmap_irqc,
- axp20x_pek->irq_dbr);
-
- axp20x_pek->irq_dbf = platform_get_irq_byname(pdev, "PEK_DBF");
- if (axp20x_pek->irq_dbf < 0)
- return axp20x_pek->irq_dbf;
- axp20x_pek->irq_dbf = regmap_irq_get_virq(axp20x->regmap_irqc,
- axp20x_pek->irq_dbf);
-
axp20x_pek->input = devm_input_allocate_device(&pdev->dev);
if (!axp20x_pek->input)
return -ENOMEM;
@@ -255,24 +245,6 @@ static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek,
input_set_drvdata(idev, axp20x_pek);
- error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbr,
- axp20x_pek_irq, 0,
- "axp20x-pek-dbr", idev);
- if (error < 0) {
- dev_err(&pdev->dev, "Failed to request dbr IRQ#%d: %d\n",
- axp20x_pek->irq_dbr, error);
- return error;
- }
-
- error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbf,
- axp20x_pek_irq, 0,
- "axp20x-pek-dbf", idev);
- if (error < 0) {
- dev_err(&pdev->dev, "Failed to request dbf IRQ#%d: %d\n",
- axp20x_pek->irq_dbf, error);
- return error;
- }
-
error = input_register_device(idev);
if (error) {
dev_err(&pdev->dev, "Can't register input device: %d\n",
@@ -280,8 +252,6 @@ static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek,
return error;
}
- device_init_wakeup(&pdev->dev, true);
-
return 0;
}
@@ -339,6 +309,18 @@ static int axp20x_pek_probe(struct platform_device *pdev)
axp20x_pek->axp20x = dev_get_drvdata(pdev->dev.parent);
+ axp20x_pek->irq_dbr = platform_get_irq_byname(pdev, "PEK_DBR");
+ if (axp20x_pek->irq_dbr < 0)
+ return axp20x_pek->irq_dbr;
+ axp20x_pek->irq_dbr = regmap_irq_get_virq(
+ axp20x_pek->axp20x->regmap_irqc, axp20x_pek->irq_dbr);
+
+ axp20x_pek->irq_dbf = platform_get_irq_byname(pdev, "PEK_DBF");
+ if (axp20x_pek->irq_dbf < 0)
+ return axp20x_pek->irq_dbf;
+ axp20x_pek->irq_dbf = regmap_irq_get_virq(
+ axp20x_pek->axp20x->regmap_irqc, axp20x_pek->irq_dbf);
+
if (axp20x_pek_should_register_input(axp20x_pek, pdev)) {
error = axp20x_pek_probe_input_device(axp20x_pek, pdev);
if (error)
@@ -347,6 +329,26 @@ static int axp20x_pek_probe(struct platform_device *pdev)
axp20x_pek->info = (struct axp20x_info *)match->driver_data;
+ error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbr,
+ axp20x_pek_irq, 0,
+ "axp20x-pek-dbr", axp20x_pek);
+ if (error < 0) {
+ dev_err(&pdev->dev, "Failed to request dbr IRQ#%d: %d\n",
+ axp20x_pek->irq_dbr, error);
+ return error;
+ }
+
+ error = devm_request_any_context_irq(&pdev->dev, axp20x_pek->irq_dbf,
+ axp20x_pek_irq, 0,
+ "axp20x-pek-dbf", axp20x_pek);
+ if (error < 0) {
+ dev_err(&pdev->dev, "Failed to request dbf IRQ#%d: %d\n",
+ axp20x_pek->irq_dbf, error);
+ return error;
+ }
+
+ device_init_wakeup(&pdev->dev, true);
+
platform_set_drvdata(pdev, axp20x_pek);
return 0;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 4d2036209b45..758dae8d6500 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -170,6 +170,7 @@ static const char * const smbus_pnp_ids[] = {
"LEN005b", /* P50 */
"LEN005e", /* T560 */
"LEN006c", /* T470s */
+ "LEN007a", /* T470s */
"LEN0071", /* T480 */
"LEN0072", /* X1 Carbon Gen 5 (2017) - Elan/ALPS trackpoint */
"LEN0073", /* X1 Carbon G5 (Elantech) */
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 190b9974526b..258d5fe3d395 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -205,7 +205,7 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
if (count) {
kfree(attn_data.data);
- attn_data.data = NULL;
+ drvdata->attn_data.data = NULL;
}
if (!kfifo_is_empty(&drvdata->attn_fifo))
@@ -1210,7 +1210,8 @@ static int rmi_driver_probe(struct device *dev)
if (data->input) {
rmi_driver_set_input_name(rmi_dev, data->input);
if (!rmi_dev->xport->input) {
- if (input_register_device(data->input)) {
+ retval = input_register_device(data->input);
+ if (retval) {
dev_err(dev, "%s: Failed to register input device.\n",
__func__);
goto err_destroy_functions;
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 08e919dbeb5d..7e048b557462 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -662,6 +662,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
},
},
+ {
+ /* Lenovo ThinkPad Twist S230u */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
+ },
+ },
{ }
};
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 14c577c16b16..2289f9638116 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -19,6 +19,7 @@
*/
+#include <linux/bits.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/interrupt.h>
@@ -73,6 +74,7 @@
#define FW_POS_STATE 1
#define FW_POS_TOTAL 2
#define FW_POS_XY 3
+#define FW_POS_TOOL_TYPE 33
#define FW_POS_CHECKSUM 34
#define FW_POS_WIDTH 35
#define FW_POS_PRESSURE 45
@@ -842,6 +844,7 @@ static void elants_i2c_mt_event(struct elants_data *ts, u8 *buf)
{
struct input_dev *input = ts->input;
unsigned int n_fingers;
+ unsigned int tool_type;
u16 finger_state;
int i;
@@ -852,6 +855,10 @@ static void elants_i2c_mt_event(struct elants_data *ts, u8 *buf)
dev_dbg(&ts->client->dev,
"n_fingers: %u, state: %04x\n", n_fingers, finger_state);
+ /* Note: all fingers have the same tool type */
+ tool_type = buf[FW_POS_TOOL_TYPE] & BIT(0) ?
+ MT_TOOL_FINGER : MT_TOOL_PALM;
+
for (i = 0; i < MAX_CONTACT_NUM && n_fingers; i++) {
if (finger_state & 1) {
unsigned int x, y, p, w;
@@ -867,7 +874,7 @@ static void elants_i2c_mt_event(struct elants_data *ts, u8 *buf)
i, x, y, p, w);
input_mt_slot(input, i);
- input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
+ input_mt_report_slot_state(input, tool_type, true);
input_event(input, EV_ABS, ABS_MT_POSITION_X, x);
input_event(input, EV_ABS, ABS_MT_POSITION_Y, y);
input_event(input, EV_ABS, ABS_MT_PRESSURE, p);
@@ -1307,6 +1314,8 @@ static int elants_i2c_probe(struct i2c_client *client,
input_set_abs_params(ts->input, ABS_MT_POSITION_Y, 0, ts->y_max, 0, 0);
input_set_abs_params(ts->input, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
input_set_abs_params(ts->input, ABS_MT_PRESSURE, 0, 255, 0, 0);
+ input_set_abs_params(ts->input, ABS_MT_TOOL_TYPE,
+ 0, MT_TOOL_PALM, 0, 0);
input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, 1);
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 69c6d559eeb0..2ef1adaed9af 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -91,15 +91,15 @@ static int __mms114_read_reg(struct mms114_data *data, unsigned int reg,
if (reg <= MMS114_MODE_CONTROL && reg + len > MMS114_MODE_CONTROL)
BUG();
- /* Write register: use repeated start */
+ /* Write register */
xfer[0].addr = client->addr;
- xfer[0].flags = I2C_M_TEN | I2C_M_NOSTART;
+ xfer[0].flags = client->flags & I2C_M_TEN;
xfer[0].len = 1;
xfer[0].buf = &buf;
/* Read data */
xfer[1].addr = client->addr;
- xfer[1].flags = I2C_M_RD;
+ xfer[1].flags = (client->flags & I2C_M_TEN) | I2C_M_RD;
xfer[1].len = len;
xfer[1].buf = val;
@@ -428,10 +428,8 @@ static int mms114_probe(struct i2c_client *client,
const void *match_data;
int error;
- if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_PROTOCOL_MANGLING)) {
- dev_err(&client->dev,
- "Need i2c bus that supports protocol mangling\n");
+ if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
+ dev_err(&client->dev, "Not supported I2C adapter\n");
return -ENODEV;
}
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 16d70201de4a..397cb1d3f481 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -182,6 +182,7 @@ static const struct usb_device_id usbtouch_devices[] = {
#endif
#ifdef CONFIG_TOUCHSCREEN_USB_IRTOUCH
+ {USB_DEVICE(0x255e, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
{USB_DEVICE(0x595a, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
{USB_DEVICE(0x6615, 0x0001), .driver_info = DEVTYPE_IRTOUCH},
{USB_DEVICE(0x6615, 0x0012), .driver_info = DEVTYPE_IRTOUCH_HIRES},
diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c
index 2adfde8cdf19..2a11a63e7217 100644
--- a/drivers/interconnect/qcom/bcm-voter.c
+++ b/drivers/interconnect/qcom/bcm-voter.c
@@ -96,6 +96,8 @@ static inline void tcs_cmd_gen(struct tcs_cmd *cmd, u64 vote_x, u64 vote_y,
if (!cmd)
return;
+ memset(cmd, 0, sizeof(*cmd));
+
if (vote_x == 0 && vote_y == 0)
valid = false;
@@ -112,8 +114,7 @@ static inline void tcs_cmd_gen(struct tcs_cmd *cmd, u64 vote_x, u64 vote_y,
* Set the wait for completion flag on command that need to be completed
* before the next command.
*/
- if (commit)
- cmd->wait = true;
+ cmd->wait = commit;
}
static void tcs_list_gen(struct list_head *bcm_list, int bucket,
diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c
index a03c6d6833df..96fb9ff5ff2e 100644
--- a/drivers/interconnect/qcom/osm-l3.c
+++ b/drivers/interconnect/qcom/osm-l3.c
@@ -78,7 +78,7 @@ static struct qcom_icc_node *sdm845_osm_l3_nodes[] = {
[SLAVE_OSM_L3] = &sdm845_osm_l3,
};
-const static struct qcom_icc_desc sdm845_icc_osm_l3 = {
+static const struct qcom_icc_desc sdm845_icc_osm_l3 = {
.nodes = sdm845_osm_l3_nodes,
.num_nodes = ARRAY_SIZE(sdm845_osm_l3_nodes),
};
@@ -91,7 +91,7 @@ static struct qcom_icc_node *sc7180_osm_l3_nodes[] = {
[SLAVE_OSM_L3] = &sc7180_osm_l3,
};
-const static struct qcom_icc_desc sc7180_icc_osm_l3 = {
+static const struct qcom_icc_desc sc7180_icc_osm_l3 = {
.nodes = sc7180_osm_l3_nodes,
.num_nodes = ARRAY_SIZE(sc7180_osm_l3_nodes),
};
diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c
index b013b80caa45..f6c7b969520d 100644
--- a/drivers/interconnect/qcom/sdm845.c
+++ b/drivers/interconnect/qcom/sdm845.c
@@ -192,7 +192,7 @@ static struct qcom_icc_node *aggre1_noc_nodes[] = {
[SLAVE_ANOC_PCIE_A1NOC_SNOC] = &qns_pcie_a1noc_snoc,
};
-const static struct qcom_icc_desc sdm845_aggre1_noc = {
+static const struct qcom_icc_desc sdm845_aggre1_noc = {
.nodes = aggre1_noc_nodes,
.num_nodes = ARRAY_SIZE(aggre1_noc_nodes),
.bcms = aggre1_noc_bcms,
@@ -220,7 +220,7 @@ static struct qcom_icc_node *aggre2_noc_nodes[] = {
[SLAVE_SERVICE_A2NOC] = &srvc_aggre2_noc,
};
-const static struct qcom_icc_desc sdm845_aggre2_noc = {
+static const struct qcom_icc_desc sdm845_aggre2_noc = {
.nodes = aggre2_noc_nodes,
.num_nodes = ARRAY_SIZE(aggre2_noc_nodes),
.bcms = aggre2_noc_bcms,
@@ -281,7 +281,7 @@ static struct qcom_icc_node *config_noc_nodes[] = {
[SLAVE_SERVICE_CNOC] = &srvc_cnoc,
};
-const static struct qcom_icc_desc sdm845_config_noc = {
+static const struct qcom_icc_desc sdm845_config_noc = {
.nodes = config_noc_nodes,
.num_nodes = ARRAY_SIZE(config_noc_nodes),
.bcms = config_noc_bcms,
@@ -297,7 +297,7 @@ static struct qcom_icc_node *dc_noc_nodes[] = {
[SLAVE_MEM_NOC_CFG] = &qhs_memnoc,
};
-const static struct qcom_icc_desc sdm845_dc_noc = {
+static const struct qcom_icc_desc sdm845_dc_noc = {
.nodes = dc_noc_nodes,
.num_nodes = ARRAY_SIZE(dc_noc_nodes),
.bcms = dc_noc_bcms,
@@ -315,7 +315,7 @@ static struct qcom_icc_node *gladiator_noc_nodes[] = {
[SLAVE_SERVICE_GNOC] = &srvc_gnoc,
};
-const static struct qcom_icc_desc sdm845_gladiator_noc = {
+static const struct qcom_icc_desc sdm845_gladiator_noc = {
.nodes = gladiator_noc_nodes,
.num_nodes = ARRAY_SIZE(gladiator_noc_nodes),
.bcms = gladiator_noc_bcms,
@@ -350,7 +350,7 @@ static struct qcom_icc_node *mem_noc_nodes[] = {
[SLAVE_EBI1] = &ebi,
};
-const static struct qcom_icc_desc sdm845_mem_noc = {
+static const struct qcom_icc_desc sdm845_mem_noc = {
.nodes = mem_noc_nodes,
.num_nodes = ARRAY_SIZE(mem_noc_nodes),
.bcms = mem_noc_bcms,
@@ -384,7 +384,7 @@ static struct qcom_icc_node *mmss_noc_nodes[] = {
[SLAVE_CAMNOC_UNCOMP] = &qns_camnoc_uncomp,
};
-const static struct qcom_icc_desc sdm845_mmss_noc = {
+static const struct qcom_icc_desc sdm845_mmss_noc = {
.nodes = mmss_noc_nodes,
.num_nodes = ARRAY_SIZE(mmss_noc_nodes),
.bcms = mmss_noc_bcms,
@@ -430,7 +430,7 @@ static struct qcom_icc_node *system_noc_nodes[] = {
[SLAVE_TCU] = &xs_sys_tcu_cfg,
};
-const static struct qcom_icc_desc sdm845_system_noc = {
+static const struct qcom_icc_desc sdm845_system_noc = {
.nodes = system_noc_nodes,
.num_nodes = ARRAY_SIZE(system_noc_nodes),
.bcms = system_noc_bcms,
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 58b4a4dbfc78..2ab07ce17abb 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -362,7 +362,7 @@ config IPMMU_VMSA
config SPAPR_TCE_IOMMU
bool "sPAPR TCE IOMMU Support"
- depends on PPC_POWERNV || PPC_PSERIES || (PPC && COMPILE_TEST)
+ depends on PPC_POWERNV || PPC_PSERIES
select IOMMU_API
help
Enables bits of IOMMU API required by VFIO. The iommu_ops
@@ -457,7 +457,7 @@ config S390_AP_IOMMU
config MTK_IOMMU
bool "MTK IOMMU Support"
- depends on ARM || ARM64 || COMPILE_TEST
+ depends on HAS_DMA
depends on ARCH_MEDIATEK || COMPILE_TEST
select ARM_DMA_USE_IOMMU
select IOMMU_API
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 20cce366e951..2883ac389abb 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -101,6 +101,8 @@ struct kmem_cache *amd_iommu_irq_cache;
static void update_domain(struct protection_domain *domain);
static int protection_domain_init(struct protection_domain *domain);
static void detach_device(struct device *dev);
+static void update_and_flush_device_table(struct protection_domain *domain,
+ struct domain_pgtable *pgtable);
/****************************************************************************
*
@@ -125,7 +127,8 @@ static inline int get_acpihid_device_id(struct device *dev,
return -ENODEV;
list_for_each_entry(p, &acpihid_map, list) {
- if (acpi_dev_hid_uid_match(adev, p->hid, p->uid)) {
+ if (acpi_dev_hid_uid_match(adev, p->hid,
+ p->uid[0] ? p->uid : NULL)) {
if (entry)
*entry = p;
return p->devid;
@@ -151,6 +154,26 @@ static struct protection_domain *to_pdomain(struct iommu_domain *dom)
return container_of(dom, struct protection_domain, domain);
}
+static void amd_iommu_domain_get_pgtable(struct protection_domain *domain,
+ struct domain_pgtable *pgtable)
+{
+ u64 pt_root = atomic64_read(&domain->pt_root);
+
+ pgtable->root = (u64 *)(pt_root & PAGE_MASK);
+ pgtable->mode = pt_root & 7; /* lowest 3 bits encode pgtable mode */
+}
+
+static u64 amd_iommu_domain_encode_pgtable(u64 *root, int mode)
+{
+ u64 pt_root;
+
+ /* lowest 3 bits encode pgtable mode */
+ pt_root = mode & 7;
+ pt_root |= (u64)root;
+
+ return pt_root;
+}
+
static struct iommu_dev_data *alloc_dev_data(u16 devid)
{
struct iommu_dev_data *dev_data;
@@ -1397,13 +1420,18 @@ static struct page *free_sub_pt(unsigned long root, int mode,
static void free_pagetable(struct protection_domain *domain)
{
- unsigned long root = (unsigned long)domain->pt_root;
+ struct domain_pgtable pgtable;
struct page *freelist = NULL;
+ unsigned long root;
- BUG_ON(domain->mode < PAGE_MODE_NONE ||
- domain->mode > PAGE_MODE_6_LEVEL);
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ atomic64_set(&domain->pt_root, 0);
- freelist = free_sub_pt(root, domain->mode, freelist);
+ BUG_ON(pgtable.mode < PAGE_MODE_NONE ||
+ pgtable.mode > PAGE_MODE_6_LEVEL);
+
+ root = (unsigned long)pgtable.root;
+ freelist = free_sub_pt(root, pgtable.mode, freelist);
free_page_list(freelist);
}
@@ -1417,24 +1445,39 @@ static bool increase_address_space(struct protection_domain *domain,
unsigned long address,
gfp_t gfp)
{
+ struct domain_pgtable pgtable;
unsigned long flags;
- bool ret = false;
- u64 *pte;
+ bool ret = true;
+ u64 *pte, root;
spin_lock_irqsave(&domain->lock, flags);
- if (address <= PM_LEVEL_SIZE(domain->mode) ||
- WARN_ON_ONCE(domain->mode == PAGE_MODE_6_LEVEL))
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+
+ if (address <= PM_LEVEL_SIZE(pgtable.mode))
+ goto out;
+
+ ret = false;
+ if (WARN_ON_ONCE(pgtable.mode == PAGE_MODE_6_LEVEL))
goto out;
pte = (void *)get_zeroed_page(gfp);
if (!pte)
goto out;
- *pte = PM_LEVEL_PDE(domain->mode,
- iommu_virt_to_phys(domain->pt_root));
- domain->pt_root = pte;
- domain->mode += 1;
+ *pte = PM_LEVEL_PDE(pgtable.mode, iommu_virt_to_phys(pgtable.root));
+
+ pgtable.root = pte;
+ pgtable.mode += 1;
+ update_and_flush_device_table(domain, &pgtable);
+ domain_flush_complete(domain);
+
+ /*
+ * Device Table needs to be updated and flushed before the new root can
+ * be published.
+ */
+ root = amd_iommu_domain_encode_pgtable(pte, pgtable.mode);
+ atomic64_set(&domain->pt_root, root);
ret = true;
@@ -1451,16 +1494,29 @@ static u64 *alloc_pte(struct protection_domain *domain,
gfp_t gfp,
bool *updated)
{
+ struct domain_pgtable pgtable;
int level, end_lvl;
u64 *pte, *page;
BUG_ON(!is_power_of_2(page_size));
- while (address > PM_LEVEL_SIZE(domain->mode))
- *updated = increase_address_space(domain, address, gfp) || *updated;
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+
+ while (address > PM_LEVEL_SIZE(pgtable.mode)) {
+ /*
+ * Return an error if there is no memory to update the
+ * page-table.
+ */
+ if (!increase_address_space(domain, address, gfp))
+ return NULL;
+
+ /* Read new values to check if update was successful */
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ }
+
- level = domain->mode - 1;
- pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)];
+ level = pgtable.mode - 1;
+ pte = &pgtable.root[PM_LEVEL_INDEX(level, address)];
address = PAGE_SIZE_ALIGN(address, page_size);
end_lvl = PAGE_SIZE_LEVEL(page_size);
@@ -1536,16 +1592,19 @@ static u64 *fetch_pte(struct protection_domain *domain,
unsigned long address,
unsigned long *page_size)
{
+ struct domain_pgtable pgtable;
int level;
u64 *pte;
*page_size = 0;
- if (address > PM_LEVEL_SIZE(domain->mode))
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+
+ if (address > PM_LEVEL_SIZE(pgtable.mode))
return NULL;
- level = domain->mode - 1;
- pte = &domain->pt_root[PM_LEVEL_INDEX(level, address)];
+ level = pgtable.mode - 1;
+ pte = &pgtable.root[PM_LEVEL_INDEX(level, address)];
*page_size = PTE_LEVEL_PAGE_SIZE(level);
while (level > 0) {
@@ -1660,7 +1719,13 @@ out:
unsigned long flags;
spin_lock_irqsave(&dom->lock, flags);
- update_domain(dom);
+ /*
+ * Flush domain TLB(s) and wait for completion. Any Device-Table
+ * Updates and flushing already happened in
+ * increase_address_space().
+ */
+ domain_flush_tlb_pde(dom);
+ domain_flush_complete(dom);
spin_unlock_irqrestore(&dom->lock, flags);
}
@@ -1806,6 +1871,7 @@ static void dma_ops_domain_free(struct protection_domain *domain)
static struct protection_domain *dma_ops_domain_alloc(void)
{
struct protection_domain *domain;
+ u64 *pt_root, root;
domain = kzalloc(sizeof(struct protection_domain), GFP_KERNEL);
if (!domain)
@@ -1814,12 +1880,14 @@ static struct protection_domain *dma_ops_domain_alloc(void)
if (protection_domain_init(domain))
goto free_domain;
- domain->mode = PAGE_MODE_3_LEVEL;
- domain->pt_root = (void *)get_zeroed_page(GFP_KERNEL);
- domain->flags = PD_DMA_OPS_MASK;
- if (!domain->pt_root)
+ pt_root = (void *)get_zeroed_page(GFP_KERNEL);
+ if (!pt_root)
goto free_domain;
+ root = amd_iommu_domain_encode_pgtable(pt_root, PAGE_MODE_3_LEVEL);
+ atomic64_set(&domain->pt_root, root);
+ domain->flags = PD_DMA_OPS_MASK;
+
if (iommu_get_dma_cookie(&domain->domain) == -ENOMEM)
goto free_domain;
@@ -1841,16 +1909,17 @@ static bool dma_ops_domain(struct protection_domain *domain)
}
static void set_dte_entry(u16 devid, struct protection_domain *domain,
+ struct domain_pgtable *pgtable,
bool ats, bool ppr)
{
u64 pte_root = 0;
u64 flags = 0;
u32 old_domid;
- if (domain->mode != PAGE_MODE_NONE)
- pte_root = iommu_virt_to_phys(domain->pt_root);
+ if (pgtable->mode != PAGE_MODE_NONE)
+ pte_root = iommu_virt_to_phys(pgtable->root);
- pte_root |= (domain->mode & DEV_ENTRY_MODE_MASK)
+ pte_root |= (pgtable->mode & DEV_ENTRY_MODE_MASK)
<< DEV_ENTRY_MODE_SHIFT;
pte_root |= DTE_FLAG_IR | DTE_FLAG_IW | DTE_FLAG_V | DTE_FLAG_TV;
@@ -1923,6 +1992,7 @@ static void clear_dte_entry(u16 devid)
static void do_attach(struct iommu_dev_data *dev_data,
struct protection_domain *domain)
{
+ struct domain_pgtable pgtable;
struct amd_iommu *iommu;
bool ats;
@@ -1938,7 +2008,9 @@ static void do_attach(struct iommu_dev_data *dev_data,
domain->dev_cnt += 1;
/* Update device table */
- set_dte_entry(dev_data->devid, domain, ats, dev_data->iommu_v2);
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ set_dte_entry(dev_data->devid, domain, &pgtable,
+ ats, dev_data->iommu_v2);
clone_aliases(dev_data->pdev);
device_flush_dte(dev_data);
@@ -2249,23 +2321,36 @@ static int amd_iommu_domain_get_attr(struct iommu_domain *domain,
*
*****************************************************************************/
-static void update_device_table(struct protection_domain *domain)
+static void update_device_table(struct protection_domain *domain,
+ struct domain_pgtable *pgtable)
{
struct iommu_dev_data *dev_data;
list_for_each_entry(dev_data, &domain->dev_list, list) {
- set_dte_entry(dev_data->devid, domain, dev_data->ats.enabled,
- dev_data->iommu_v2);
+ set_dte_entry(dev_data->devid, domain, pgtable,
+ dev_data->ats.enabled, dev_data->iommu_v2);
clone_aliases(dev_data->pdev);
}
}
+static void update_and_flush_device_table(struct protection_domain *domain,
+ struct domain_pgtable *pgtable)
+{
+ update_device_table(domain, pgtable);
+ domain_flush_devices(domain);
+}
+
static void update_domain(struct protection_domain *domain)
{
- update_device_table(domain);
+ struct domain_pgtable pgtable;
- domain_flush_devices(domain);
+ /* Update device table */
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ update_and_flush_device_table(domain, &pgtable);
+
+ /* Flush domain TLB(s) and wait for completion */
domain_flush_tlb_pde(domain);
+ domain_flush_complete(domain);
}
int __init amd_iommu_init_api(void)
@@ -2375,6 +2460,7 @@ out_err:
static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
{
struct protection_domain *pdomain;
+ u64 *pt_root, root;
switch (type) {
case IOMMU_DOMAIN_UNMANAGED:
@@ -2382,13 +2468,15 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
if (!pdomain)
return NULL;
- pdomain->mode = PAGE_MODE_3_LEVEL;
- pdomain->pt_root = (void *)get_zeroed_page(GFP_KERNEL);
- if (!pdomain->pt_root) {
+ pt_root = (void *)get_zeroed_page(GFP_KERNEL);
+ if (!pt_root) {
protection_domain_free(pdomain);
return NULL;
}
+ root = amd_iommu_domain_encode_pgtable(pt_root, PAGE_MODE_3_LEVEL);
+ atomic64_set(&pdomain->pt_root, root);
+
pdomain->domain.geometry.aperture_start = 0;
pdomain->domain.geometry.aperture_end = ~0ULL;
pdomain->domain.geometry.force_aperture = true;
@@ -2406,7 +2494,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
if (!pdomain)
return NULL;
- pdomain->mode = PAGE_MODE_NONE;
+ atomic64_set(&pdomain->pt_root, PAGE_MODE_NONE);
break;
default:
return NULL;
@@ -2418,6 +2506,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type)
static void amd_iommu_domain_free(struct iommu_domain *dom)
{
struct protection_domain *domain;
+ struct domain_pgtable pgtable;
domain = to_pdomain(dom);
@@ -2435,7 +2524,9 @@ static void amd_iommu_domain_free(struct iommu_domain *dom)
dma_ops_domain_free(domain);
break;
default:
- if (domain->mode != PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+
+ if (pgtable.mode != PAGE_MODE_NONE)
free_pagetable(domain);
if (domain->flags & PD_IOMMUV2_MASK)
@@ -2518,10 +2609,12 @@ static int amd_iommu_map(struct iommu_domain *dom, unsigned long iova,
gfp_t gfp)
{
struct protection_domain *domain = to_pdomain(dom);
+ struct domain_pgtable pgtable;
int prot = 0;
int ret;
- if (domain->mode == PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ if (pgtable.mode == PAGE_MODE_NONE)
return -EINVAL;
if (iommu_prot & IOMMU_READ)
@@ -2541,8 +2634,10 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova,
struct iommu_iotlb_gather *gather)
{
struct protection_domain *domain = to_pdomain(dom);
+ struct domain_pgtable pgtable;
- if (domain->mode == PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ if (pgtable.mode == PAGE_MODE_NONE)
return 0;
return iommu_unmap_page(domain, iova, page_size);
@@ -2553,9 +2648,11 @@ static phys_addr_t amd_iommu_iova_to_phys(struct iommu_domain *dom,
{
struct protection_domain *domain = to_pdomain(dom);
unsigned long offset_mask, pte_pgsize;
+ struct domain_pgtable pgtable;
u64 *pte, __pte;
- if (domain->mode == PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ if (pgtable.mode == PAGE_MODE_NONE)
return iova;
pte = fetch_pte(domain, iova, &pte_pgsize);
@@ -2708,16 +2805,26 @@ EXPORT_SYMBOL(amd_iommu_unregister_ppr_notifier);
void amd_iommu_domain_direct_map(struct iommu_domain *dom)
{
struct protection_domain *domain = to_pdomain(dom);
+ struct domain_pgtable pgtable;
unsigned long flags;
+ u64 pt_root;
spin_lock_irqsave(&domain->lock, flags);
+ /* First save pgtable configuration*/
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+
/* Update data structure */
- domain->mode = PAGE_MODE_NONE;
+ pt_root = amd_iommu_domain_encode_pgtable(NULL, PAGE_MODE_NONE);
+ atomic64_set(&domain->pt_root, pt_root);
/* Make changes visible to IOMMUs */
update_domain(domain);
+ /* Restore old pgtable in domain->ptroot to free page-table */
+ pt_root = amd_iommu_domain_encode_pgtable(pgtable.root, pgtable.mode);
+ atomic64_set(&domain->pt_root, pt_root);
+
/* Page-table is not visible to IOMMU anymore, so free it */
free_pagetable(domain);
@@ -2908,9 +3015,11 @@ static u64 *__get_gcr3_pte(u64 *root, int level, int pasid, bool alloc)
static int __set_gcr3(struct protection_domain *domain, int pasid,
unsigned long cr3)
{
+ struct domain_pgtable pgtable;
u64 *pte;
- if (domain->mode != PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ if (pgtable.mode != PAGE_MODE_NONE)
return -EINVAL;
pte = __get_gcr3_pte(domain->gcr3_tbl, domain->glx, pasid, true);
@@ -2924,9 +3033,11 @@ static int __set_gcr3(struct protection_domain *domain, int pasid,
static int __clear_gcr3(struct protection_domain *domain, int pasid)
{
+ struct domain_pgtable pgtable;
u64 *pte;
- if (domain->mode != PAGE_MODE_NONE)
+ amd_iommu_domain_get_pgtable(domain, &pgtable);
+ if (pgtable.mode != PAGE_MODE_NONE)
return -EINVAL;
pte = __get_gcr3_pte(domain->gcr3_tbl, domain->glx, pasid, false);
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 6be3853a5d97..5b81fd16f5fa 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1329,8 +1329,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
}
case IVHD_DEV_ACPI_HID: {
u16 devid;
- u8 hid[ACPIHID_HID_LEN] = {0};
- u8 uid[ACPIHID_UID_LEN] = {0};
+ u8 hid[ACPIHID_HID_LEN];
+ u8 uid[ACPIHID_UID_LEN];
int ret;
if (h->type != 0x40) {
@@ -1347,6 +1347,7 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
break;
}
+ uid[0] = '\0';
switch (e->uidf) {
case UID_NOT_PRESENT:
@@ -1361,8 +1362,8 @@ static int __init init_iommu_from_acpi(struct amd_iommu *iommu,
break;
case UID_IS_CHARACTER:
- memcpy(uid, (u8 *)(&e->uid), ACPIHID_UID_LEN - 1);
- uid[ACPIHID_UID_LEN - 1] = '\0';
+ memcpy(uid, &e->uid, e->uidl);
+ uid[e->uidl] = '\0';
break;
default:
@@ -2936,7 +2937,7 @@ static int __init parse_amd_iommu_intr(char *str)
{
for (; *str; ++str) {
if (strncmp(str, "legacy", 6) == 0) {
- amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY;
+ amd_iommu_guest_ir = AMD_IOMMU_GUEST_IR_LEGACY_GA;
break;
}
if (strncmp(str, "vapic", 5) == 0) {
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h
index ca8c4522045b..7a8fdec138bd 100644
--- a/drivers/iommu/amd_iommu_types.h
+++ b/drivers/iommu/amd_iommu_types.h
@@ -468,8 +468,7 @@ struct protection_domain {
iommu core code */
spinlock_t lock; /* mostly used to lock the page table*/
u16 id; /* the domain id written to the device table */
- int mode; /* paging mode (0-6 levels) */
- u64 *pt_root; /* page table root pointer */
+ atomic64_t pt_root; /* pgtable root and pgtable mode */
int glx; /* Number of levels for GCR3 table */
u64 *gcr3_tbl; /* Guest CR3 table */
unsigned long flags; /* flags to find out type of domain */
@@ -477,6 +476,12 @@ struct protection_domain {
unsigned dev_iommu[MAX_IOMMUS]; /* per-IOMMU reference count */
};
+/* For decocded pt_root */
+struct domain_pgtable {
+ int mode;
+ u64 *root;
+};
+
/*
* Structure where we save information about one hardware AMD IOMMU in the
* system.
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index ef0a5246700e..0182cff2c7ac 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -371,11 +371,11 @@ int dmar_disabled = 0;
int dmar_disabled = 1;
#endif /* CONFIG_INTEL_IOMMU_DEFAULT_ON */
-#ifdef INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
+#ifdef CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON
int intel_iommu_sm = 1;
#else
int intel_iommu_sm;
-#endif /* INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON */
+#endif /* CONFIG_INTEL_IOMMU_SCALABLE_MODE_DEFAULT_ON */
int intel_iommu_enabled = 0;
EXPORT_SYMBOL_GPL(intel_iommu_enabled);
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 2b471419e26c..03d6a26687bc 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -170,6 +170,7 @@ static struct dev_iommu *dev_iommu_get(struct device *dev)
static void dev_iommu_free(struct device *dev)
{
+ iommu_fwspec_free(dev);
kfree(dev->iommu);
dev->iommu = NULL;
}
@@ -509,7 +510,7 @@ struct iommu_group *iommu_group_alloc(void)
NULL, "%d", group->id);
if (ret) {
ida_simple_remove(&iommu_group_ida, group->id);
- kfree(group);
+ kobject_put(&group->kobj);
return ERR_PTR(ret);
}
@@ -692,6 +693,15 @@ out:
return ret;
}
+static bool iommu_is_attach_deferred(struct iommu_domain *domain,
+ struct device *dev)
+{
+ if (domain->ops->is_attach_deferred)
+ return domain->ops->is_attach_deferred(domain, dev);
+
+ return false;
+}
+
/**
* iommu_group_add_device - add a device to an iommu group
* @group: the group into which to add the device (reference should be held)
@@ -746,7 +756,7 @@ rename:
mutex_lock(&group->mutex);
list_add_tail(&device->list, &group->devices);
- if (group->domain)
+ if (group->domain && !iommu_is_attach_deferred(group->domain, dev))
ret = __iommu_attach_device(group->domain, dev);
mutex_unlock(&group->mutex);
if (ret)
@@ -1428,7 +1438,7 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev)
return group;
}
-EXPORT_SYMBOL(iommu_group_get_for_dev);
+EXPORT_SYMBOL_GPL(iommu_group_get_for_dev);
struct iommu_domain *iommu_group_default_domain(struct iommu_group *group)
{
@@ -1652,9 +1662,6 @@ static int __iommu_attach_device(struct iommu_domain *domain,
struct device *dev)
{
int ret;
- if ((domain->ops->is_attach_deferred != NULL) &&
- domain->ops->is_attach_deferred(domain, dev))
- return 0;
if (unlikely(domain->ops->attach_dev == NULL))
return -ENODEV;
@@ -1726,8 +1733,7 @@ EXPORT_SYMBOL_GPL(iommu_sva_unbind_gpasid);
static void __iommu_detach_device(struct iommu_domain *domain,
struct device *dev)
{
- if ((domain->ops->is_attach_deferred != NULL) &&
- domain->ops->is_attach_deferred(domain, dev))
+ if (iommu_is_attach_deferred(domain, dev))
return;
if (unlikely(domain->ops->detach_dev == NULL))
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index 0e2a96467767..5b3b270972f8 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -824,8 +824,11 @@ static int qcom_iommu_device_probe(struct platform_device *pdev)
qcom_iommu->dev = dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (res)
+ if (res) {
qcom_iommu->local_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(qcom_iommu->local_base))
+ return PTR_ERR(qcom_iommu->local_base);
+ }
qcom_iommu->iface_clk = devm_clk_get(dev, "iface");
if (IS_ERR(qcom_iommu->iface_clk)) {
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index d5cac4f46ca5..4e1d11af23c8 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -453,7 +453,7 @@ static int viommu_add_resv_mem(struct viommu_endpoint *vdev,
if (!region)
return -ENOMEM;
- list_add(&vdev->resv_regions, &region->list);
+ list_add(&region->list, &vdev->resv_regions);
return 0;
}
diff --git a/drivers/ipack/carriers/tpci200.c b/drivers/ipack/carriers/tpci200.c
index 23445ebfda5c..ec71063fff76 100644
--- a/drivers/ipack/carriers/tpci200.c
+++ b/drivers/ipack/carriers/tpci200.c
@@ -306,6 +306,7 @@ static int tpci200_register(struct tpci200_board *tpci200)
"(bn 0x%X, sn 0x%X) failed to map driver user space!",
tpci200->info->pdev->bus->number,
tpci200->info->pdev->devfn);
+ res = -ENOMEM;
goto out_release_mem8_space;
}
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index a85aada04a64..66b9a68f5e9f 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -532,4 +532,31 @@ config LOONGSON_HTPIC
help
Support for the Loongson-3 HyperTransport PIC Controller.
+config LOONGSON_HTVEC
+ bool "Loongson3 HyperTransport Interrupt Vector Controller"
+ depends on MACH_LOONGSON64
+ default MACH_LOONGSON64
+ select IRQ_DOMAIN_HIERARCHY
+ help
+ Support for the Loongson3 HyperTransport Interrupt Vector Controller.
+
+config LOONGSON_PCH_PIC
+ bool "Loongson PCH PIC Controller"
+ depends on MACH_LOONGSON64 || COMPILE_TEST
+ default MACH_LOONGSON64
+ select IRQ_DOMAIN_HIERARCHY
+ select IRQ_FASTEOI_HIERARCHY_HANDLERS
+ help
+ Support for the Loongson PCH PIC Controller.
+
+config LOONGSON_PCH_MSI
+ bool "Loongson PCH PIC Controller"
+ depends on MACH_LOONGSON64 || COMPILE_TEST
+ depends on PCI
+ default MACH_LOONGSON64
+ select IRQ_DOMAIN_HIERARCHY
+ select PCI_MSI
+ help
+ Support for the Loongson PCH MSI Controller.
+
endmenu
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 37bbe39bf909..3a4ce283189a 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -107,3 +107,6 @@ obj-$(CONFIG_TI_SCI_INTR_IRQCHIP) += irq-ti-sci-intr.o
obj-$(CONFIG_TI_SCI_INTA_IRQCHIP) += irq-ti-sci-inta.o
obj-$(CONFIG_LOONGSON_LIOINTC) += irq-loongson-liointc.o
obj-$(CONFIG_LOONGSON_HTPIC) += irq-loongson-htpic.o
+obj-$(CONFIG_LOONGSON_HTVEC) += irq-loongson-htvec.o
+obj-$(CONFIG_LOONGSON_PCH_PIC) += irq-loongson-pch-pic.o
+obj-$(CONFIG_LOONGSON_PCH_MSI) += irq-loongson-pch-msi.o
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 124251b0ccba..cd685f521c77 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -174,6 +174,13 @@ static struct {
int next_victim;
} vpe_proxy;
+struct cpu_lpi_count {
+ atomic_t managed;
+ atomic_t unmanaged;
+};
+
+static DEFINE_PER_CPU(struct cpu_lpi_count, cpu_lpi_count);
+
static LIST_HEAD(its_nodes);
static DEFINE_RAW_SPINLOCK(its_lock);
static struct rdists *gic_rdists;
@@ -1510,42 +1517,159 @@ static void its_unmask_irq(struct irq_data *d)
lpi_update_config(d, 0, LPI_PROP_ENABLED);
}
+static __maybe_unused u32 its_read_lpi_count(struct irq_data *d, int cpu)
+{
+ if (irqd_affinity_is_managed(d))
+ return atomic_read(&per_cpu_ptr(&cpu_lpi_count, cpu)->managed);
+
+ return atomic_read(&per_cpu_ptr(&cpu_lpi_count, cpu)->unmanaged);
+}
+
+static void its_inc_lpi_count(struct irq_data *d, int cpu)
+{
+ if (irqd_affinity_is_managed(d))
+ atomic_inc(&per_cpu_ptr(&cpu_lpi_count, cpu)->managed);
+ else
+ atomic_inc(&per_cpu_ptr(&cpu_lpi_count, cpu)->unmanaged);
+}
+
+static void its_dec_lpi_count(struct irq_data *d, int cpu)
+{
+ if (irqd_affinity_is_managed(d))
+ atomic_dec(&per_cpu_ptr(&cpu_lpi_count, cpu)->managed);
+ else
+ atomic_dec(&per_cpu_ptr(&cpu_lpi_count, cpu)->unmanaged);
+}
+
+static unsigned int cpumask_pick_least_loaded(struct irq_data *d,
+ const struct cpumask *cpu_mask)
+{
+ unsigned int cpu = nr_cpu_ids, tmp;
+ int count = S32_MAX;
+
+ for_each_cpu(tmp, cpu_mask) {
+ int this_count = its_read_lpi_count(d, tmp);
+ if (this_count < count) {
+ cpu = tmp;
+ count = this_count;
+ }
+ }
+
+ return cpu;
+}
+
+/*
+ * As suggested by Thomas Gleixner in:
+ * https://lore.kernel.org/r/87h80q2aoc.fsf@nanos.tec.linutronix.de
+ */
+static int its_select_cpu(struct irq_data *d,
+ const struct cpumask *aff_mask)
+{
+ struct its_device *its_dev = irq_data_get_irq_chip_data(d);
+ cpumask_var_t tmpmask;
+ int cpu, node;
+
+ if (!alloc_cpumask_var(&tmpmask, GFP_ATOMIC))
+ return -ENOMEM;
+
+ node = its_dev->its->numa_node;
+
+ if (!irqd_affinity_is_managed(d)) {
+ /* First try the NUMA node */
+ if (node != NUMA_NO_NODE) {
+ /*
+ * Try the intersection of the affinity mask and the
+ * node mask (and the online mask, just to be safe).
+ */
+ cpumask_and(tmpmask, cpumask_of_node(node), aff_mask);
+ cpumask_and(tmpmask, tmpmask, cpu_online_mask);
+
+ /*
+ * Ideally, we would check if the mask is empty, and
+ * try again on the full node here.
+ *
+ * But it turns out that the way ACPI describes the
+ * affinity for ITSs only deals about memory, and
+ * not target CPUs, so it cannot describe a single
+ * ITS placed next to two NUMA nodes.
+ *
+ * Instead, just fallback on the online mask. This
+ * diverges from Thomas' suggestion above.
+ */
+ cpu = cpumask_pick_least_loaded(d, tmpmask);
+ if (cpu < nr_cpu_ids)
+ goto out;
+
+ /* If we can't cross sockets, give up */
+ if ((its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144))
+ goto out;
+
+ /* If the above failed, expand the search */
+ }
+
+ /* Try the intersection of the affinity and online masks */
+ cpumask_and(tmpmask, aff_mask, cpu_online_mask);
+
+ /* If that doesn't fly, the online mask is the last resort */
+ if (cpumask_empty(tmpmask))
+ cpumask_copy(tmpmask, cpu_online_mask);
+
+ cpu = cpumask_pick_least_loaded(d, tmpmask);
+ } else {
+ cpumask_and(tmpmask, irq_data_get_affinity_mask(d), cpu_online_mask);
+
+ /* If we cannot cross sockets, limit the search to that node */
+ if ((its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) &&
+ node != NUMA_NO_NODE)
+ cpumask_and(tmpmask, tmpmask, cpumask_of_node(node));
+
+ cpu = cpumask_pick_least_loaded(d, tmpmask);
+ }
+out:
+ free_cpumask_var(tmpmask);
+
+ pr_debug("IRQ%d -> %*pbl CPU%d\n", d->irq, cpumask_pr_args(aff_mask), cpu);
+ return cpu;
+}
+
static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
bool force)
{
- unsigned int cpu;
- const struct cpumask *cpu_mask = cpu_online_mask;
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
struct its_collection *target_col;
u32 id = its_get_event_id(d);
+ int cpu, prev_cpu;
/* A forwarded interrupt should use irq_set_vcpu_affinity */
if (irqd_is_forwarded_to_vcpu(d))
return -EINVAL;
- /* lpi cannot be routed to a redistributor that is on a foreign node */
- if (its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144) {
- if (its_dev->its->numa_node >= 0) {
- cpu_mask = cpumask_of_node(its_dev->its->numa_node);
- if (!cpumask_intersects(mask_val, cpu_mask))
- return -EINVAL;
- }
- }
+ prev_cpu = its_dev->event_map.col_map[id];
+ its_dec_lpi_count(d, prev_cpu);
- cpu = cpumask_any_and(mask_val, cpu_mask);
+ if (!force)
+ cpu = its_select_cpu(d, mask_val);
+ else
+ cpu = cpumask_pick_least_loaded(d, mask_val);
- if (cpu >= nr_cpu_ids)
- return -EINVAL;
+ if (cpu < 0 || cpu >= nr_cpu_ids)
+ goto err;
/* don't set the affinity when the target cpu is same as current one */
- if (cpu != its_dev->event_map.col_map[id]) {
+ if (cpu != prev_cpu) {
target_col = &its_dev->its->collections[cpu];
its_send_movi(its_dev, target_col, id);
its_dev->event_map.col_map[id] = cpu;
irq_data_update_effective_affinity(d, cpumask_of(cpu));
}
+ its_inc_lpi_count(d, cpu);
+
return IRQ_SET_MASK_OK_DONE;
+
+err:
+ its_inc_lpi_count(d, prev_cpu);
+ return -EINVAL;
}
static u64 its_irq_get_msi_base(struct its_device *its_dev)
@@ -3432,22 +3556,13 @@ static int its_irq_domain_activate(struct irq_domain *domain,
{
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
u32 event = its_get_event_id(d);
- const struct cpumask *cpu_mask = cpu_online_mask;
int cpu;
- /* get the cpu_mask of local node */
- if (its_dev->its->numa_node >= 0)
- cpu_mask = cpumask_of_node(its_dev->its->numa_node);
-
- /* Bind the LPI to the first possible CPU */
- cpu = cpumask_first_and(cpu_mask, cpu_online_mask);
- if (cpu >= nr_cpu_ids) {
- if (its_dev->its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_23144)
- return -EINVAL;
-
- cpu = cpumask_first(cpu_online_mask);
- }
+ cpu = its_select_cpu(d, cpu_online_mask);
+ if (cpu < 0 || cpu >= nr_cpu_ids)
+ return -EINVAL;
+ its_inc_lpi_count(d, cpu);
its_dev->event_map.col_map[event] = cpu;
irq_data_update_effective_affinity(d, cpumask_of(cpu));
@@ -3462,6 +3577,7 @@ static void its_irq_domain_deactivate(struct irq_domain *domain,
struct its_device *its_dev = irq_data_get_irq_chip_data(d);
u32 event = its_get_event_id(d);
+ its_dec_lpi_count(d, its_dev->event_map.col_map[event]);
/* Stop the delivery of interrupts */
its_send_discard(its_dev, event);
}
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index d7006ef18a0d..cc46bc2d634b 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -1150,7 +1150,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
isb();
}
-static void gic_smp_init(void)
+static void __init gic_smp_init(void)
{
set_smp_cross_call(gic_raise_softirq);
cpuhp_setup_state_nocalls(CPUHP_AP_IRQ_GIC_STARTING,
@@ -1282,7 +1282,6 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
irq_set_percpu_devid(irq);
irq_domain_set_info(d, irq, hw, chip, d->host_data,
handle_percpu_devid_irq, NULL, NULL);
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
break;
case SPI_RANGE:
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 30ab623343d3..00de05abd3c3 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -982,7 +982,6 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
irq_set_percpu_devid(irq);
irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data,
handle_percpu_devid_irq, NULL, NULL);
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
} else {
irq_domain_set_info(d, irq, hw, &gic->chip, d->host_data,
handle_fasteoi_irq, NULL, NULL);
diff --git a/drivers/irqchip/irq-loongson-htvec.c b/drivers/irqchip/irq-loongson-htvec.c
new file mode 100644
index 000000000000..1ece9337c78d
--- /dev/null
+++ b/drivers/irqchip/irq-loongson-htvec.c
@@ -0,0 +1,214 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020, Jiaxun Yang <jiaxun.yang@flygoat.com>
+ * Loongson HyperTransport Interrupt Vector support
+ */
+
+#define pr_fmt(fmt) "htvec: " fmt
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/irqdomain.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+/* Registers */
+#define HTVEC_EN_OFF 0x20
+#define HTVEC_MAX_PARENT_IRQ 4
+
+#define VEC_COUNT_PER_REG 32
+#define VEC_REG_COUNT 4
+#define VEC_COUNT (VEC_COUNT_PER_REG * VEC_REG_COUNT)
+#define VEC_REG_IDX(irq_id) ((irq_id) / VEC_COUNT_PER_REG)
+#define VEC_REG_BIT(irq_id) ((irq_id) % VEC_COUNT_PER_REG)
+
+struct htvec {
+ void __iomem *base;
+ struct irq_domain *htvec_domain;
+ raw_spinlock_t htvec_lock;
+};
+
+static void htvec_irq_dispatch(struct irq_desc *desc)
+{
+ int i;
+ u32 pending;
+ bool handled = false;
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ struct htvec *priv = irq_desc_get_handler_data(desc);
+
+ chained_irq_enter(chip, desc);
+
+ for (i = 0; i < VEC_REG_COUNT; i++) {
+ pending = readl(priv->base + 4 * i);
+ while (pending) {
+ int bit = __ffs(pending);
+
+ generic_handle_irq(irq_linear_revmap(priv->htvec_domain, bit +
+ VEC_COUNT_PER_REG * i));
+ pending &= ~BIT(bit);
+ handled = true;
+ }
+ }
+
+ if (!handled)
+ spurious_interrupt();
+
+ chained_irq_exit(chip, desc);
+}
+
+static void htvec_ack_irq(struct irq_data *d)
+{
+ struct htvec *priv = irq_data_get_irq_chip_data(d);
+
+ writel(BIT(VEC_REG_BIT(d->hwirq)),
+ priv->base + VEC_REG_IDX(d->hwirq) * 4);
+}
+
+static void htvec_mask_irq(struct irq_data *d)
+{
+ u32 reg;
+ void __iomem *addr;
+ struct htvec *priv = irq_data_get_irq_chip_data(d);
+
+ raw_spin_lock(&priv->htvec_lock);
+ addr = priv->base + HTVEC_EN_OFF;
+ addr += VEC_REG_IDX(d->hwirq) * 4;
+ reg = readl(addr);
+ reg &= ~BIT(VEC_REG_BIT(d->hwirq));
+ writel(reg, addr);
+ raw_spin_unlock(&priv->htvec_lock);
+}
+
+static void htvec_unmask_irq(struct irq_data *d)
+{
+ u32 reg;
+ void __iomem *addr;
+ struct htvec *priv = irq_data_get_irq_chip_data(d);
+
+ raw_spin_lock(&priv->htvec_lock);
+ addr = priv->base + HTVEC_EN_OFF;
+ addr += VEC_REG_IDX(d->hwirq) * 4;
+ reg = readl(addr);
+ reg |= BIT(VEC_REG_BIT(d->hwirq));
+ writel(reg, addr);
+ raw_spin_unlock(&priv->htvec_lock);
+}
+
+static struct irq_chip htvec_irq_chip = {
+ .name = "LOONGSON_HTVEC",
+ .irq_mask = htvec_mask_irq,
+ .irq_unmask = htvec_unmask_irq,
+ .irq_ack = htvec_ack_irq,
+};
+
+static int htvec_domain_alloc(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs, void *arg)
+{
+ unsigned long hwirq;
+ unsigned int type, i;
+ struct htvec *priv = domain->host_data;
+
+ irq_domain_translate_onecell(domain, arg, &hwirq, &type);
+
+ for (i = 0; i < nr_irqs; i++) {
+ irq_domain_set_info(domain, virq + i, hwirq + i, &htvec_irq_chip,
+ priv, handle_edge_irq, NULL, NULL);
+ }
+
+ return 0;
+}
+
+static void htvec_domain_free(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs)
+{
+ int i;
+
+ for (i = 0; i < nr_irqs; i++) {
+ struct irq_data *d = irq_domain_get_irq_data(domain, virq + i);
+
+ irq_set_handler(virq + i, NULL);
+ irq_domain_reset_irq_data(d);
+ }
+}
+
+static const struct irq_domain_ops htvec_domain_ops = {
+ .translate = irq_domain_translate_onecell,
+ .alloc = htvec_domain_alloc,
+ .free = htvec_domain_free,
+};
+
+static void htvec_reset(struct htvec *priv)
+{
+ u32 idx;
+
+ /* Clear IRQ cause registers, mask all interrupts */
+ for (idx = 0; idx < VEC_REG_COUNT; idx++) {
+ writel_relaxed(0x0, priv->base + HTVEC_EN_OFF + 4 * idx);
+ writel_relaxed(0xFFFFFFFF, priv->base);
+ }
+}
+
+static int htvec_of_init(struct device_node *node,
+ struct device_node *parent)
+{
+ struct htvec *priv;
+ int err, parent_irq[4], num_parents = 0, i;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ raw_spin_lock_init(&priv->htvec_lock);
+ priv->base = of_iomap(node, 0);
+ if (!priv->base) {
+ err = -ENOMEM;
+ goto free_priv;
+ }
+
+ /* Interrupt may come from any of the 4 interrupt line */
+ for (i = 0; i < HTVEC_MAX_PARENT_IRQ; i++) {
+ parent_irq[i] = irq_of_parse_and_map(node, i);
+ if (parent_irq[i] <= 0)
+ break;
+
+ num_parents++;
+ }
+
+ if (!num_parents) {
+ pr_err("Failed to get parent irqs\n");
+ err = -ENODEV;
+ goto iounmap_base;
+ }
+
+ priv->htvec_domain = irq_domain_create_linear(of_node_to_fwnode(node),
+ VEC_COUNT,
+ &htvec_domain_ops,
+ priv);
+ if (!priv->htvec_domain) {
+ pr_err("Failed to create IRQ domain\n");
+ err = -ENOMEM;
+ goto iounmap_base;
+ }
+
+ htvec_reset(priv);
+
+ for (i = 0; i < num_parents; i++)
+ irq_set_chained_handler_and_data(parent_irq[i],
+ htvec_irq_dispatch, priv);
+
+ return 0;
+
+iounmap_base:
+ iounmap(priv->base);
+free_priv:
+ kfree(priv);
+
+ return err;
+}
+
+IRQCHIP_DECLARE(htvec, "loongson,htvec-1.0", htvec_of_init);
diff --git a/drivers/irqchip/irq-loongson-pch-msi.c b/drivers/irqchip/irq-loongson-pch-msi.c
new file mode 100644
index 000000000000..50becd21008c
--- /dev/null
+++ b/drivers/irqchip/irq-loongson-pch-msi.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020, Jiaxun Yang <jiaxun.yang@flygoat.com>
+ * Loongson PCH MSI support
+ */
+
+#define pr_fmt(fmt) "pch-msi: " fmt
+
+#include <linux/irqchip.h>
+#include <linux/msi.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_pci.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+
+struct pch_msi_data {
+ struct mutex msi_map_lock;
+ phys_addr_t doorbell;
+ u32 irq_first; /* The vector number that MSIs starts */
+ u32 num_irqs; /* The number of vectors for MSIs */
+ unsigned long *msi_map;
+};
+
+static void pch_msi_mask_msi_irq(struct irq_data *d)
+{
+ pci_msi_mask_irq(d);
+ irq_chip_mask_parent(d);
+}
+
+static void pch_msi_unmask_msi_irq(struct irq_data *d)
+{
+ irq_chip_unmask_parent(d);
+ pci_msi_unmask_irq(d);
+}
+
+static struct irq_chip pch_msi_irq_chip = {
+ .name = "PCH PCI MSI",
+ .irq_mask = pch_msi_mask_msi_irq,
+ .irq_unmask = pch_msi_unmask_msi_irq,
+ .irq_ack = irq_chip_ack_parent,
+ .irq_set_affinity = irq_chip_set_affinity_parent,
+};
+
+static int pch_msi_allocate_hwirq(struct pch_msi_data *priv, int num_req)
+{
+ int first;
+
+ mutex_lock(&priv->msi_map_lock);
+
+ first = bitmap_find_free_region(priv->msi_map, priv->num_irqs,
+ get_count_order(num_req));
+ if (first < 0) {
+ mutex_unlock(&priv->msi_map_lock);
+ return -ENOSPC;
+ }
+
+ mutex_unlock(&priv->msi_map_lock);
+
+ return priv->irq_first + first;
+}
+
+static void pch_msi_free_hwirq(struct pch_msi_data *priv,
+ int hwirq, int num_req)
+{
+ int first = hwirq - priv->irq_first;
+
+ mutex_lock(&priv->msi_map_lock);
+ bitmap_release_region(priv->msi_map, first, get_count_order(num_req));
+ mutex_unlock(&priv->msi_map_lock);
+}
+
+static void pch_msi_compose_msi_msg(struct irq_data *data,
+ struct msi_msg *msg)
+{
+ struct pch_msi_data *priv = irq_data_get_irq_chip_data(data);
+
+ msg->address_hi = upper_32_bits(priv->doorbell);
+ msg->address_lo = lower_32_bits(priv->doorbell);
+ msg->data = data->hwirq;
+}
+
+static struct msi_domain_info pch_msi_domain_info = {
+ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
+ .chip = &pch_msi_irq_chip,
+};
+
+static struct irq_chip middle_irq_chip = {
+ .name = "PCH MSI",
+ .irq_mask = irq_chip_mask_parent,
+ .irq_unmask = irq_chip_unmask_parent,
+ .irq_ack = irq_chip_ack_parent,
+ .irq_set_affinity = irq_chip_set_affinity_parent,
+ .irq_compose_msi_msg = pch_msi_compose_msi_msg,
+};
+
+static int pch_msi_parent_domain_alloc(struct irq_domain *domain,
+ unsigned int virq, int hwirq)
+{
+ struct irq_fwspec fwspec;
+ int ret;
+
+ fwspec.fwnode = domain->parent->fwnode;
+ fwspec.param_count = 1;
+ fwspec.param[0] = hwirq;
+
+ ret = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int pch_msi_middle_domain_alloc(struct irq_domain *domain,
+ unsigned int virq,
+ unsigned int nr_irqs, void *args)
+{
+ struct pch_msi_data *priv = domain->host_data;
+ int hwirq, err, i;
+
+ hwirq = pch_msi_allocate_hwirq(priv, nr_irqs);
+ if (hwirq < 0)
+ return hwirq;
+
+ for (i = 0; i < nr_irqs; i++) {
+ err = pch_msi_parent_domain_alloc(domain, virq + i, hwirq + i);
+ if (err)
+ goto err_hwirq;
+
+ irq_domain_set_hwirq_and_chip(domain, virq + i, hwirq + i,
+ &middle_irq_chip, priv);
+ }
+
+ return 0;
+
+err_hwirq:
+ pch_msi_free_hwirq(priv, hwirq, nr_irqs);
+ irq_domain_free_irqs_parent(domain, virq, i - 1);
+
+ return err;
+}
+
+static void pch_msi_middle_domain_free(struct irq_domain *domain,
+ unsigned int virq,
+ unsigned int nr_irqs)
+{
+ struct irq_data *d = irq_domain_get_irq_data(domain, virq);
+ struct pch_msi_data *priv = irq_data_get_irq_chip_data(d);
+
+ irq_domain_free_irqs_parent(domain, virq, nr_irqs);
+ pch_msi_free_hwirq(priv, d->hwirq, nr_irqs);
+}
+
+static const struct irq_domain_ops pch_msi_middle_domain_ops = {
+ .alloc = pch_msi_middle_domain_alloc,
+ .free = pch_msi_middle_domain_free,
+};
+
+static int pch_msi_init_domains(struct pch_msi_data *priv,
+ struct device_node *node,
+ struct irq_domain *parent)
+{
+ struct irq_domain *middle_domain, *msi_domain;
+
+ middle_domain = irq_domain_create_linear(of_node_to_fwnode(node),
+ priv->num_irqs,
+ &pch_msi_middle_domain_ops,
+ priv);
+ if (!middle_domain) {
+ pr_err("Failed to create the MSI middle domain\n");
+ return -ENOMEM;
+ }
+
+ middle_domain->parent = parent;
+ irq_domain_update_bus_token(middle_domain, DOMAIN_BUS_NEXUS);
+
+ msi_domain = pci_msi_create_irq_domain(of_node_to_fwnode(node),
+ &pch_msi_domain_info,
+ middle_domain);
+ if (!msi_domain) {
+ pr_err("Failed to create PCI MSI domain\n");
+ irq_domain_remove(middle_domain);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int pch_msi_init(struct device_node *node,
+ struct device_node *parent)
+{
+ struct pch_msi_data *priv;
+ struct irq_domain *parent_domain;
+ struct resource res;
+ int ret;
+
+ parent_domain = irq_find_host(parent);
+ if (!parent_domain) {
+ pr_err("Failed to find the parent domain\n");
+ return -ENXIO;
+ }
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ mutex_init(&priv->msi_map_lock);
+
+ ret = of_address_to_resource(node, 0, &res);
+ if (ret) {
+ pr_err("Failed to allocate resource\n");
+ goto err_priv;
+ }
+
+ priv->doorbell = res.start;
+
+ if (of_property_read_u32(node, "loongson,msi-base-vec",
+ &priv->irq_first)) {
+ pr_err("Unable to parse MSI vec base\n");
+ ret = -EINVAL;
+ goto err_priv;
+ }
+
+ if (of_property_read_u32(node, "loongson,msi-num-vecs",
+ &priv->num_irqs)) {
+ pr_err("Unable to parse MSI vec number\n");
+ ret = -EINVAL;
+ goto err_priv;
+ }
+
+ priv->msi_map = bitmap_alloc(priv->num_irqs, GFP_KERNEL);
+ if (!priv->msi_map) {
+ ret = -ENOMEM;
+ goto err_priv;
+ }
+
+ pr_debug("Registering %d MSIs, starting at %d\n",
+ priv->num_irqs, priv->irq_first);
+
+ ret = pch_msi_init_domains(priv, node, parent_domain);
+ if (ret)
+ goto err_map;
+
+ return 0;
+
+err_map:
+ kfree(priv->msi_map);
+err_priv:
+ kfree(priv);
+ return ret;
+}
+
+IRQCHIP_DECLARE(pch_msi, "loongson,pch-msi-1.0", pch_msi_init);
diff --git a/drivers/irqchip/irq-loongson-pch-pic.c b/drivers/irqchip/irq-loongson-pch-pic.c
new file mode 100644
index 000000000000..2a05b9305012
--- /dev/null
+++ b/drivers/irqchip/irq-loongson-pch-pic.c
@@ -0,0 +1,243 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020, Jiaxun Yang <jiaxun.yang@flygoat.com>
+ * Loongson PCH PIC support
+ */
+
+#define pr_fmt(fmt) "pch-pic: " fmt
+
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqchip.h>
+#include <linux/irqdomain.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+/* Registers */
+#define PCH_PIC_MASK 0x20
+#define PCH_PIC_HTMSI_EN 0x40
+#define PCH_PIC_EDGE 0x60
+#define PCH_PIC_CLR 0x80
+#define PCH_PIC_AUTO0 0xc0
+#define PCH_PIC_AUTO1 0xe0
+#define PCH_INT_ROUTE(irq) (0x100 + irq)
+#define PCH_INT_HTVEC(irq) (0x200 + irq)
+#define PCH_PIC_POL 0x3e0
+
+#define PIC_COUNT_PER_REG 32
+#define PIC_REG_COUNT 2
+#define PIC_COUNT (PIC_COUNT_PER_REG * PIC_REG_COUNT)
+#define PIC_REG_IDX(irq_id) ((irq_id) / PIC_COUNT_PER_REG)
+#define PIC_REG_BIT(irq_id) ((irq_id) % PIC_COUNT_PER_REG)
+
+struct pch_pic {
+ void __iomem *base;
+ struct irq_domain *pic_domain;
+ u32 ht_vec_base;
+ raw_spinlock_t pic_lock;
+};
+
+static void pch_pic_bitset(struct pch_pic *priv, int offset, int bit)
+{
+ u32 reg;
+ void __iomem *addr = priv->base + offset + PIC_REG_IDX(bit) * 4;
+
+ raw_spin_lock(&priv->pic_lock);
+ reg = readl(addr);
+ reg |= BIT(PIC_REG_BIT(bit));
+ writel(reg, addr);
+ raw_spin_unlock(&priv->pic_lock);
+}
+
+static void pch_pic_bitclr(struct pch_pic *priv, int offset, int bit)
+{
+ u32 reg;
+ void __iomem *addr = priv->base + offset + PIC_REG_IDX(bit) * 4;
+
+ raw_spin_lock(&priv->pic_lock);
+ reg = readl(addr);
+ reg &= ~BIT(PIC_REG_BIT(bit));
+ writel(reg, addr);
+ raw_spin_unlock(&priv->pic_lock);
+}
+
+static void pch_pic_eoi_irq(struct irq_data *d)
+{
+ u32 idx = PIC_REG_IDX(d->hwirq);
+ struct pch_pic *priv = irq_data_get_irq_chip_data(d);
+
+ writel(BIT(PIC_REG_BIT(d->hwirq)),
+ priv->base + PCH_PIC_CLR + idx * 4);
+}
+
+static void pch_pic_mask_irq(struct irq_data *d)
+{
+ struct pch_pic *priv = irq_data_get_irq_chip_data(d);
+
+ pch_pic_bitset(priv, PCH_PIC_MASK, d->hwirq);
+ irq_chip_mask_parent(d);
+}
+
+static void pch_pic_unmask_irq(struct irq_data *d)
+{
+ struct pch_pic *priv = irq_data_get_irq_chip_data(d);
+
+ irq_chip_unmask_parent(d);
+ pch_pic_bitclr(priv, PCH_PIC_MASK, d->hwirq);
+}
+
+static int pch_pic_set_type(struct irq_data *d, unsigned int type)
+{
+ struct pch_pic *priv = irq_data_get_irq_chip_data(d);
+ int ret = 0;
+
+ switch (type) {
+ case IRQ_TYPE_EDGE_RISING:
+ pch_pic_bitset(priv, PCH_PIC_EDGE, d->hwirq);
+ pch_pic_bitclr(priv, PCH_PIC_POL, d->hwirq);
+ break;
+ case IRQ_TYPE_EDGE_FALLING:
+ pch_pic_bitset(priv, PCH_PIC_EDGE, d->hwirq);
+ pch_pic_bitset(priv, PCH_PIC_POL, d->hwirq);
+ break;
+ case IRQ_TYPE_LEVEL_HIGH:
+ pch_pic_bitclr(priv, PCH_PIC_EDGE, d->hwirq);
+ pch_pic_bitclr(priv, PCH_PIC_POL, d->hwirq);
+ break;
+ case IRQ_TYPE_LEVEL_LOW:
+ pch_pic_bitclr(priv, PCH_PIC_EDGE, d->hwirq);
+ pch_pic_bitset(priv, PCH_PIC_POL, d->hwirq);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+static struct irq_chip pch_pic_irq_chip = {
+ .name = "PCH PIC",
+ .irq_mask = pch_pic_mask_irq,
+ .irq_unmask = pch_pic_unmask_irq,
+ .irq_ack = irq_chip_ack_parent,
+ .irq_eoi = pch_pic_eoi_irq,
+ .irq_set_affinity = irq_chip_set_affinity_parent,
+ .irq_set_type = pch_pic_set_type,
+};
+
+static int pch_pic_alloc(struct irq_domain *domain, unsigned int virq,
+ unsigned int nr_irqs, void *arg)
+{
+ int err;
+ unsigned int type;
+ unsigned long hwirq;
+ struct irq_fwspec fwspec;
+ struct pch_pic *priv = domain->host_data;
+
+ irq_domain_translate_twocell(domain, arg, &hwirq, &type);
+
+ fwspec.fwnode = domain->parent->fwnode;
+ fwspec.param_count = 1;
+ fwspec.param[0] = hwirq + priv->ht_vec_base;
+
+ err = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
+ if (err)
+ return err;
+
+ irq_domain_set_info(domain, virq, hwirq,
+ &pch_pic_irq_chip, priv,
+ handle_fasteoi_ack_irq, NULL, NULL);
+ irq_set_probe(virq);
+
+ return 0;
+}
+
+static const struct irq_domain_ops pch_pic_domain_ops = {
+ .translate = irq_domain_translate_twocell,
+ .alloc = pch_pic_alloc,
+ .free = irq_domain_free_irqs_parent,
+};
+
+static void pch_pic_reset(struct pch_pic *priv)
+{
+ int i;
+
+ for (i = 0; i < PIC_COUNT; i++) {
+ /* Write vectore ID */
+ writeb(priv->ht_vec_base + i, priv->base + PCH_INT_HTVEC(i));
+ /* Hardcode route to HT0 Lo */
+ writeb(1, priv->base + PCH_INT_ROUTE(i));
+ }
+
+ for (i = 0; i < PIC_REG_COUNT; i++) {
+ /* Clear IRQ cause registers, mask all interrupts */
+ writel_relaxed(0xFFFFFFFF, priv->base + PCH_PIC_MASK + 4 * i);
+ writel_relaxed(0xFFFFFFFF, priv->base + PCH_PIC_CLR + 4 * i);
+ /* Clear auto bounce, we don't need that */
+ writel_relaxed(0, priv->base + PCH_PIC_AUTO0 + 4 * i);
+ writel_relaxed(0, priv->base + PCH_PIC_AUTO1 + 4 * i);
+ /* Enable HTMSI transformer */
+ writel_relaxed(0xFFFFFFFF, priv->base + PCH_PIC_HTMSI_EN + 4 * i);
+ }
+}
+
+static int pch_pic_of_init(struct device_node *node,
+ struct device_node *parent)
+{
+ struct pch_pic *priv;
+ struct irq_domain *parent_domain;
+ int err;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ raw_spin_lock_init(&priv->pic_lock);
+ priv->base = of_iomap(node, 0);
+ if (!priv->base) {
+ err = -ENOMEM;
+ goto free_priv;
+ }
+
+ parent_domain = irq_find_host(parent);
+ if (!parent_domain) {
+ pr_err("Failed to find the parent domain\n");
+ err = -ENXIO;
+ goto iounmap_base;
+ }
+
+ if (of_property_read_u32(node, "loongson,pic-base-vec",
+ &priv->ht_vec_base)) {
+ pr_err("Failed to determine pic-base-vec\n");
+ err = -EINVAL;
+ goto iounmap_base;
+ }
+
+ priv->pic_domain = irq_domain_create_hierarchy(parent_domain, 0,
+ PIC_COUNT,
+ of_node_to_fwnode(node),
+ &pch_pic_domain_ops,
+ priv);
+ if (!priv->pic_domain) {
+ pr_err("Failed to create IRQ domain\n");
+ err = -ENOMEM;
+ goto iounmap_base;
+ }
+
+ pch_pic_reset(priv);
+
+ return 0;
+
+iounmap_base:
+ iounmap(priv->base);
+free_priv:
+ kfree(priv);
+
+ return err;
+}
+
+IRQCHIP_DECLARE(pch_pic, "loongson,pch-pic-1.0", pch_pic_of_init);
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index d0a71febdadc..d9c53f85a68e 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -76,6 +76,7 @@ struct plic_handler {
void __iomem *enable_base;
struct plic_priv *priv;
};
+static bool plic_cpuhp_setup_done;
static DEFINE_PER_CPU(struct plic_handler, plic_handlers);
static inline void plic_toggle(struct plic_handler *handler,
@@ -176,9 +177,12 @@ static struct irq_chip plic_chip = {
static int plic_irqdomain_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq)
{
+ struct plic_priv *priv = d->host_data;
+
irq_domain_set_info(d, irq, hwirq, &plic_chip, d->host_data,
handle_fasteoi_irq, NULL, NULL);
irq_set_noprobe(irq);
+ irq_set_affinity(irq, &priv->lmask);
return 0;
}
@@ -282,6 +286,7 @@ static int __init plic_init(struct device_node *node,
int error = 0, nr_contexts, nr_handlers = 0, i;
u32 nr_irqs;
struct plic_priv *priv;
+ struct plic_handler *handler;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
@@ -301,8 +306,6 @@ static int __init plic_init(struct device_node *node,
nr_contexts = of_irq_count(node);
if (WARN_ON(!nr_contexts))
goto out_iounmap;
- if (WARN_ON(nr_contexts < num_possible_cpus()))
- goto out_iounmap;
error = -ENOMEM;
priv->irqdomain = irq_domain_add_linear(node, nr_irqs + 1,
@@ -312,7 +315,6 @@ static int __init plic_init(struct device_node *node,
for (i = 0; i < nr_contexts; i++) {
struct of_phandle_args parent;
- struct plic_handler *handler;
irq_hw_number_t hwirq;
int cpu, hartid;
@@ -366,11 +368,20 @@ done:
nr_handlers++;
}
- cpuhp_setup_state(CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
+ /*
+ * We can have multiple PLIC instances so setup cpuhp state only
+ * when context handler for current/boot CPU is present.
+ */
+ handler = this_cpu_ptr(&plic_handlers);
+ if (handler->present && !plic_cpuhp_setup_done) {
+ cpuhp_setup_state(CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING,
"irqchip/sifive/plic:starting",
plic_starting_cpu, plic_dying_cpu);
- pr_info("mapped %d interrupts with %d handlers for %d contexts.\n",
- nr_irqs, nr_handlers, nr_contexts);
+ plic_cpuhp_setup_done = true;
+ }
+
+ pr_info("%pOFP: mapped %d interrupts with %d handlers for"
+ " %d contexts.\n", node, nr_irqs, nr_handlers, nr_contexts);
set_handle_irq(plic_handle_irq);
return 0;
diff --git a/drivers/leds/leds-pca963x.c b/drivers/leds/leds-pca963x.c
index 66cdc003b8f4..d288acbc99c7 100644
--- a/drivers/leds/leds-pca963x.c
+++ b/drivers/leds/leds-pca963x.c
@@ -4,7 +4,7 @@
* Copyright 2013 Qtechnology/AS
*
* Author: Peter Meerwald <p.meerwald@bct-electronic.com>
- * Author: Ricardo Ribalda <ricardo.ribalda@gmail.com>
+ * Author: Ricardo Ribalda <ribalda@kernel.org>
*
* Based on leds-pca955x.c
*
diff --git a/drivers/lightnvm/pblk-cache.c b/drivers/lightnvm/pblk-cache.c
index 5c1034c22197..f185f1a00008 100644
--- a/drivers/lightnvm/pblk-cache.c
+++ b/drivers/lightnvm/pblk-cache.c
@@ -21,16 +21,14 @@
void pblk_write_to_cache(struct pblk *pblk, struct bio *bio,
unsigned long flags)
{
- struct request_queue *q = pblk->dev->q;
struct pblk_w_ctx w_ctx;
sector_t lba = pblk_get_lba(bio);
- unsigned long start_time = jiffies;
+ unsigned long start_time;
unsigned int bpos, pos;
int nr_entries = pblk_get_secs(bio);
int i, ret;
- generic_start_io_acct(q, REQ_OP_WRITE, bio_sectors(bio),
- &pblk->disk->part0);
+ start_time = bio_start_io_acct(bio);
/* Update the write buffer head (mem) with the entries that we can
* write. The write in itself cannot fail, so there is no need to
@@ -79,7 +77,7 @@ retry:
pblk_rl_inserted(&pblk->rl, nr_entries);
out:
- generic_end_io_acct(q, REQ_OP_WRITE, &pblk->disk->part0, start_time);
+ bio_end_io_acct(bio, start_time);
pblk_write_should_kick(pblk);
if (ret == NVM_IO_DONE)
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index 9a967a2e83dd..6e677ff62cc9 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -145,9 +145,8 @@ static int pblk_l2p_init(struct pblk *pblk, bool factory_init)
int ret = 0;
map_size = pblk_trans_map_size(pblk);
- pblk->trans_map = __vmalloc(map_size, GFP_KERNEL | __GFP_NOWARN
- | __GFP_RETRY_MAYFAIL | __GFP_HIGHMEM,
- PAGE_KERNEL);
+ pblk->trans_map = __vmalloc(map_size, GFP_KERNEL | __GFP_NOWARN |
+ __GFP_RETRY_MAYFAIL | __GFP_HIGHMEM);
if (!pblk->trans_map) {
pblk_err(pblk, "failed to allocate L2P (need %zu of memory)\n",
map_size);
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index 8efd14e683dc..140927ebf41e 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -187,12 +187,11 @@ static void pblk_end_user_read(struct bio *bio, int error)
static void __pblk_end_io_read(struct pblk *pblk, struct nvm_rq *rqd,
bool put_line)
{
- struct nvm_tgt_dev *dev = pblk->dev;
struct pblk_g_ctx *r_ctx = nvm_rq_to_pdu(rqd);
struct bio *int_bio = rqd->bio;
unsigned long start_time = r_ctx->start_time;
- generic_end_io_acct(dev->q, REQ_OP_READ, &pblk->disk->part0, start_time);
+ bio_end_io_acct(int_bio, start_time);
if (rqd->error)
pblk_log_read_err(pblk, rqd);
@@ -263,17 +262,15 @@ retry:
void pblk_submit_read(struct pblk *pblk, struct bio *bio)
{
- struct nvm_tgt_dev *dev = pblk->dev;
- struct request_queue *q = dev->q;
sector_t blba = pblk_get_lba(bio);
unsigned int nr_secs = pblk_get_secs(bio);
bool from_cache;
struct pblk_g_ctx *r_ctx;
struct nvm_rq *rqd;
struct bio *int_bio, *split_bio;
+ unsigned long start_time;
- generic_start_io_acct(q, REQ_OP_READ, bio_sectors(bio),
- &pblk->disk->part0);
+ start_time = bio_start_io_acct(bio);
rqd = pblk_alloc_rqd(pblk, PBLK_READ);
@@ -283,7 +280,7 @@ void pblk_submit_read(struct pblk *pblk, struct bio *bio)
rqd->end_io = pblk_end_io_read;
r_ctx = nvm_rq_to_pdu(rqd);
- r_ctx->start_time = jiffies;
+ r_ctx->start_time = start_time;
r_ctx->lba = blba;
if (pblk_alloc_rqd_meta(pblk, rqd)) {
diff --git a/drivers/macintosh/mac_hid.c b/drivers/macintosh/mac_hid.c
index 7af0c536d568..28b8581b44dd 100644
--- a/drivers/macintosh/mac_hid.c
+++ b/drivers/macintosh/mac_hid.c
@@ -183,8 +183,7 @@ static void mac_hid_stop_emulation(void)
}
static int mac_hid_toggle_emumouse(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = table->data;
int old_val = *valp;
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 83eb05bf85ff..8450d7c008d0 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -2184,8 +2184,6 @@ pmu_read(struct file *file, char __user *buf,
if (count < 1 || !pp)
return -EINVAL;
- if (!access_ok(buf, count))
- return -EFAULT;
spin_lock_irqsave(&pp->lock, flags);
add_wait_queue(&pp->wait, &wait);
diff --git a/drivers/md/bcache/Kconfig b/drivers/md/bcache/Kconfig
index 6dfa653d30db..bf7dd96db9b3 100644
--- a/drivers/md/bcache/Kconfig
+++ b/drivers/md/bcache/Kconfig
@@ -26,3 +26,12 @@ config BCACHE_CLOSURES_DEBUG
Keeps all active closures in a linked list and provides a debugfs
interface to list them, which makes it possible to see asynchronous
operations that get stuck.
+
+config BCACHE_ASYNC_REGISTRAION
+ bool "Asynchronous device registration (EXPERIMENTAL)"
+ depends on BCACHE
+ help
+ Add a sysfs file /sys/fs/bcache/register_async. Writing registering
+ device path into this file will returns immediately and the real
+ registration work is handled in kernel work queue in asynchronous
+ way.
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 74a9849ea164..221e0191b687 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -176,7 +176,7 @@
* - updates to non leaf nodes just happen synchronously (see btree_split()).
*/
-#define pr_fmt(fmt) "bcache: %s() " fmt "\n", __func__
+#define pr_fmt(fmt) "bcache: %s() " fmt, __func__
#include <linux/bcache.h>
#include <linux/bio.h>
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index 4385303836d8..4995fcaefe29 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -6,7 +6,7 @@
* Copyright 2012 Google, Inc.
*/
-#define pr_fmt(fmt) "bcache: %s() " fmt "\n", __func__
+#define pr_fmt(fmt) "bcache: %s() " fmt, __func__
#include "util.h"
#include "bset.h"
@@ -31,7 +31,7 @@ void bch_dump_bset(struct btree_keys *b, struct bset *i, unsigned int set)
if (b->ops->key_dump)
b->ops->key_dump(b, k);
else
- pr_err("%llu:%llu\n", KEY_INODE(k), KEY_OFFSET(k));
+ pr_cont("%llu:%llu\n", KEY_INODE(k), KEY_OFFSET(k));
if (next < bset_bkey_last(i) &&
bkey_cmp(k, b->ops->is_extents ?
@@ -1225,7 +1225,7 @@ static void btree_mergesort(struct btree_keys *b, struct bset *out,
out->keys = last ? (uint64_t *) bkey_next(last) - out->d : 0;
- pr_debug("sorted %i keys", out->keys);
+ pr_debug("sorted %i keys\n", out->keys);
}
static void __btree_sort(struct btree_keys *b, struct btree_iter *iter,
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 72856e5f23a3..39de94edd73a 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -619,7 +619,7 @@ retry:
* and BTREE_NODE_journal_flush bit cleared by btree_flush_write().
*/
if (btree_node_journal_flush(b)) {
- pr_debug("bnode %p is flushing by journal, retry", b);
+ pr_debug("bnode %p is flushing by journal, retry\n", b);
mutex_unlock(&b->write_lock);
udelay(1);
goto retry;
@@ -802,7 +802,7 @@ int bch_btree_cache_alloc(struct cache_set *c)
c->shrink.batch = c->btree_pages * 2;
if (register_shrinker(&c->shrink))
- pr_warn("bcache: %s: could not register shrinker",
+ pr_warn("bcache: %s: could not register shrinker\n",
__func__);
return 0;
@@ -1054,7 +1054,7 @@ retry:
*/
if (btree_node_journal_flush(b)) {
mutex_unlock(&b->write_lock);
- pr_debug("bnode %p journal_flush set, retry", b);
+ pr_debug("bnode %p journal_flush set, retry\n", b);
udelay(1);
goto retry;
}
@@ -1798,7 +1798,7 @@ static void bch_btree_gc(struct cache_set *c)
schedule_timeout_interruptible(msecs_to_jiffies
(GC_SLEEP_MS));
else if (ret)
- pr_warn("gc failed!");
+ pr_warn("gc failed!\n");
} while (ret && !test_bit(CACHE_SET_IO_DISABLE, &c->flags));
bch_btree_gc_finish(c);
@@ -1907,10 +1907,8 @@ static int bch_btree_check_thread(void *arg)
struct btree_iter iter;
struct bkey *k, *p;
int cur_idx, prev_idx, skip_nr;
- int i, n;
k = p = NULL;
- i = n = 0;
cur_idx = prev_idx = 0;
ret = 0;
@@ -2045,7 +2043,7 @@ int bch_btree_check(struct cache_set *c)
&check_state->infos[i],
name);
if (IS_ERR(check_state->infos[i].thread)) {
- pr_err("fails to run thread bch_btrchk[%d]", i);
+ pr_err("fails to run thread bch_btrchk[%d]\n", i);
for (--i; i >= 0; i--)
kthread_stop(check_state->infos[i].thread);
ret = -ENOMEM;
@@ -2456,7 +2454,7 @@ int bch_btree_insert(struct cache_set *c, struct keylist *keys,
if (ret) {
struct bkey *k;
- pr_err("error %i", ret);
+ pr_err("error %i\n", ret);
while ((k = bch_keylist_pop(keys)))
bkey_put(c, k);
@@ -2744,7 +2742,7 @@ struct keybuf_key *bch_keybuf_next_rescan(struct cache_set *c,
break;
if (bkey_cmp(&buf->last_scanned, end) >= 0) {
- pr_debug("scan finished");
+ pr_debug("scan finished\n");
break;
}
diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c
index 886710043025..9162af5bb6ec 100644
--- a/drivers/md/bcache/extents.c
+++ b/drivers/md/bcache/extents.c
@@ -130,18 +130,18 @@ static void bch_bkey_dump(struct btree_keys *keys, const struct bkey *k)
char buf[80];
bch_extent_to_text(buf, sizeof(buf), k);
- pr_err(" %s", buf);
+ pr_cont(" %s", buf);
for (j = 0; j < KEY_PTRS(k); j++) {
size_t n = PTR_BUCKET_NR(b->c, k, j);
- pr_err(" bucket %zu", n);
+ pr_cont(" bucket %zu", n);
if (n >= b->c->sb.first_bucket && n < b->c->sb.nbuckets)
- pr_err(" prio %i",
- PTR_BUCKET(b->c, k, j)->prio);
+ pr_cont(" prio %i",
+ PTR_BUCKET(b->c, k, j)->prio);
}
- pr_err(" %s\n", bch_ptr_status(b->c, k));
+ pr_cont(" %s\n", bch_ptr_status(b->c, k));
}
/* Btree ptrs */
@@ -553,7 +553,7 @@ static bool bch_extent_bad(struct btree_keys *bk, const struct bkey *k)
if (stale && KEY_DIRTY(k)) {
bch_extent_to_text(buf, sizeof(buf), k);
- pr_info("stale dirty pointer, stale %u, key: %s",
+ pr_info("stale dirty pointer, stale %u, key: %s\n",
stale, buf);
}
diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c
index 4d93f07f63e5..b25ee33b0d0b 100644
--- a/drivers/md/bcache/io.c
+++ b/drivers/md/bcache/io.c
@@ -65,14 +65,14 @@ void bch_count_backing_io_errors(struct cached_dev *dc, struct bio *bio)
* we shouldn't count failed REQ_RAHEAD bio to dc->io_errors.
*/
if (bio->bi_opf & REQ_RAHEAD) {
- pr_warn_ratelimited("%s: Read-ahead I/O failed on backing device, ignore",
+ pr_warn_ratelimited("%s: Read-ahead I/O failed on backing device, ignore\n",
dc->backing_dev_name);
return;
}
errors = atomic_add_return(1, &dc->io_errors);
if (errors < dc->error_limit)
- pr_err("%s: IO error on backing device, unrecoverable",
+ pr_err("%s: IO error on backing device, unrecoverable\n",
dc->backing_dev_name);
else
bch_cached_dev_error(dc);
@@ -123,12 +123,12 @@ void bch_count_io_errors(struct cache *ca,
errors >>= IO_ERROR_SHIFT;
if (errors < ca->set->error_limit)
- pr_err("%s: IO error on %s%s",
+ pr_err("%s: IO error on %s%s\n",
ca->cache_dev_name, m,
is_read ? ", recovering." : ".");
else
bch_cache_set_error(ca->set,
- "%s: too many IO errors %s",
+ "%s: too many IO errors %s\n",
ca->cache_dev_name, m);
}
}
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 0e3ff9745ac7..90aac4e2333f 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -47,7 +47,7 @@ static int journal_read_bucket(struct cache *ca, struct list_head *list,
closure_init_stack(&cl);
- pr_debug("reading %u", bucket_index);
+ pr_debug("reading %u\n", bucket_index);
while (offset < ca->sb.bucket_size) {
reread: left = ca->sb.bucket_size - offset;
@@ -78,13 +78,13 @@ reread: left = ca->sb.bucket_size - offset;
size_t blocks, bytes = set_bytes(j);
if (j->magic != jset_magic(&ca->sb)) {
- pr_debug("%u: bad magic", bucket_index);
+ pr_debug("%u: bad magic\n", bucket_index);
return ret;
}
if (bytes > left << 9 ||
bytes > PAGE_SIZE << JSET_BITS) {
- pr_info("%u: too big, %zu bytes, offset %u",
+ pr_info("%u: too big, %zu bytes, offset %u\n",
bucket_index, bytes, offset);
return ret;
}
@@ -93,7 +93,7 @@ reread: left = ca->sb.bucket_size - offset;
goto reread;
if (j->csum != csum_set(j)) {
- pr_info("%u: bad csum, %zu bytes, offset %u",
+ pr_info("%u: bad csum, %zu bytes, offset %u\n",
bucket_index, bytes, offset);
return ret;
}
@@ -190,7 +190,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list)
uint64_t seq;
bitmap_zero(bitmap, SB_JOURNAL_BUCKETS);
- pr_debug("%u journal buckets", ca->sb.njournal_buckets);
+ pr_debug("%u journal buckets\n", ca->sb.njournal_buckets);
/*
* Read journal buckets ordered by golden ratio hash to quickly
@@ -215,7 +215,7 @@ int bch_journal_read(struct cache_set *c, struct list_head *list)
* If that fails, check all the buckets we haven't checked
* already
*/
- pr_debug("falling back to linear search");
+ pr_debug("falling back to linear search\n");
for (l = find_first_zero_bit(bitmap, ca->sb.njournal_buckets);
l < ca->sb.njournal_buckets;
@@ -233,7 +233,7 @@ bsearch:
/* Binary search */
m = l;
r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1);
- pr_debug("starting binary search, l %u r %u", l, r);
+ pr_debug("starting binary search, l %u r %u\n", l, r);
while (l + 1 < r) {
seq = list_entry(list->prev, struct journal_replay,
@@ -253,7 +253,7 @@ bsearch:
* Read buckets in reverse order until we stop finding more
* journal entries
*/
- pr_debug("finishing up: m %u njournal_buckets %u",
+ pr_debug("finishing up: m %u njournal_buckets %u\n",
m, ca->sb.njournal_buckets);
l = m;
@@ -370,10 +370,10 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list)
if (n != i->j.seq) {
if (n == start && is_discard_enabled(s))
- pr_info("bcache: journal entries %llu-%llu may be discarded! (replaying %llu-%llu)",
+ pr_info("journal entries %llu-%llu may be discarded! (replaying %llu-%llu)\n",
n, i->j.seq - 1, start, end);
else {
- pr_err("bcache: journal entries %llu-%llu missing! (replaying %llu-%llu)",
+ pr_err("journal entries %llu-%llu missing! (replaying %llu-%llu)\n",
n, i->j.seq - 1, start, end);
ret = -EIO;
goto err;
@@ -403,7 +403,7 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list)
entries++;
}
- pr_info("journal replay done, %i keys in %i entries, seq %llu",
+ pr_info("journal replay done, %i keys in %i entries, seq %llu\n",
keys, entries, end);
err:
while (!list_empty(list)) {
@@ -481,7 +481,7 @@ static void btree_flush_write(struct cache_set *c)
break;
if (btree_node_journal_flush(b))
- pr_err("BUG: flush_write bit should not be set here!");
+ pr_err("BUG: flush_write bit should not be set here!\n");
mutex_lock(&b->write_lock);
@@ -534,13 +534,13 @@ static void btree_flush_write(struct cache_set *c)
for (i = 0; i < nr; i++) {
b = btree_nodes[i];
if (!b) {
- pr_err("BUG: btree_nodes[%d] is NULL", i);
+ pr_err("BUG: btree_nodes[%d] is NULL\n", i);
continue;
}
/* safe to check without holding b->write_lock */
if (!btree_node_journal_flush(b)) {
- pr_err("BUG: bnode %p: journal_flush bit cleaned", b);
+ pr_err("BUG: bnode %p: journal_flush bit cleaned\n", b);
continue;
}
@@ -548,14 +548,14 @@ static void btree_flush_write(struct cache_set *c)
if (!btree_current_write(b)->journal) {
clear_bit(BTREE_NODE_journal_flush, &b->flags);
mutex_unlock(&b->write_lock);
- pr_debug("bnode %p: written by others", b);
+ pr_debug("bnode %p: written by others\n", b);
continue;
}
if (!btree_node_dirty(b)) {
clear_bit(BTREE_NODE_journal_flush, &b->flags);
mutex_unlock(&b->write_lock);
- pr_debug("bnode %p: dirty bit cleaned by others", b);
+ pr_debug("bnode %p: dirty bit cleaned by others\n", b);
continue;
}
@@ -716,7 +716,7 @@ void bch_journal_next(struct journal *j)
j->cur->data->keys = 0;
if (fifo_full(&j->pin))
- pr_debug("journal_pin full (%zu)", fifo_used(&j->pin));
+ pr_debug("journal_pin full (%zu)\n", fifo_used(&j->pin));
}
static void journal_write_endio(struct bio *bio)
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 71a90fbec314..7acf024e99f3 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -110,7 +110,7 @@ static void bch_data_invalidate(struct closure *cl)
struct data_insert_op *op = container_of(cl, struct data_insert_op, cl);
struct bio *bio = op->bio;
- pr_debug("invalidating %i sectors from %llu",
+ pr_debug("invalidating %i sectors from %llu\n",
bio_sectors(bio), (uint64_t) bio->bi_iter.bi_sector);
while (bio_sectors(bio)) {
@@ -396,7 +396,7 @@ static bool check_should_bypass(struct cached_dev *dc, struct bio *bio)
if (bio->bi_iter.bi_sector & (c->sb.block_size - 1) ||
bio_sectors(bio) & (c->sb.block_size - 1)) {
- pr_debug("skipping unaligned io");
+ pr_debug("skipping unaligned io\n");
goto skip;
}
@@ -650,7 +650,7 @@ static void backing_request_endio(struct bio *bio)
*/
if (unlikely(s->iop.writeback &&
bio->bi_opf & REQ_PREFLUSH)) {
- pr_err("Can't flush %s: returned bi_status %i",
+ pr_err("Can't flush %s: returned bi_status %i\n",
dc->backing_dev_name, bio->bi_status);
} else {
/* set to orig_bio->bi_status in bio_complete() */
@@ -668,9 +668,7 @@ static void backing_request_endio(struct bio *bio)
static void bio_complete(struct search *s)
{
if (s->orig_bio) {
- generic_end_io_acct(s->d->disk->queue, bio_op(s->orig_bio),
- &s->d->disk->part0, s->start_time);
-
+ bio_end_io_acct(s->orig_bio, s->start_time);
trace_bcache_request_end(s->d, s->orig_bio);
s->orig_bio->bi_status = s->iop.status;
bio_endio(s->orig_bio);
@@ -730,7 +728,7 @@ static inline struct search *search_alloc(struct bio *bio,
s->recoverable = 1;
s->write = op_is_write(bio_op(bio));
s->read_dirty_data = 0;
- s->start_time = jiffies;
+ s->start_time = bio_start_io_acct(bio);
s->iop.c = d->c;
s->iop.bio = NULL;
@@ -1082,8 +1080,7 @@ static void detached_dev_end_io(struct bio *bio)
bio->bi_end_io = ddip->bi_end_io;
bio->bi_private = ddip->bi_private;
- generic_end_io_acct(ddip->d->disk->queue, bio_op(bio),
- &ddip->d->disk->part0, ddip->start_time);
+ bio_end_io_acct(bio, ddip->start_time);
if (bio->bi_status) {
struct cached_dev *dc = container_of(ddip->d,
@@ -1108,7 +1105,7 @@ static void detached_dev_do_request(struct bcache_device *d, struct bio *bio)
*/
ddip = kzalloc(sizeof(struct detached_dev_io_private), GFP_NOIO);
ddip->d = d;
- ddip->start_time = jiffies;
+ ddip->start_time = bio_start_io_acct(bio);
ddip->bi_end_io = bio->bi_end_io;
ddip->bi_private = bio->bi_private;
bio->bi_end_io = detached_dev_end_io;
@@ -1190,11 +1187,6 @@ blk_qc_t cached_dev_make_request(struct request_queue *q, struct bio *bio)
}
}
- generic_start_io_acct(q,
- bio_op(bio),
- bio_sectors(bio),
- &d->disk->part0);
-
bio_set_dev(bio, dc->bdev);
bio->bi_iter.bi_sector += dc->sb.data_offset;
@@ -1311,8 +1303,6 @@ blk_qc_t flash_dev_make_request(struct request_queue *q, struct bio *bio)
return BLK_QC_T_NONE;
}
- generic_start_io_acct(q, bio_op(bio), bio_sectors(bio), &d->disk->part0);
-
s = search_alloc(bio, d);
cl = &s->cl;
bio = &s->bio.bio;
@@ -1372,7 +1362,6 @@ void bch_flash_dev_request_init(struct bcache_device *d)
{
struct gendisk *g = d->disk;
- g->queue->make_request_fn = flash_dev_make_request;
g->queue->backing_dev_info->congested_fn = flash_dev_congested;
d->cache_miss = flash_dev_cache_miss;
d->ioctl = flash_dev_ioctl;
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index d98354fa28e3..f9975c22bf7e 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -89,7 +89,7 @@ static const char *read_super(struct cache_sb *sb, struct block_device *bdev,
for (i = 0; i < SB_JOURNAL_BUCKETS; i++)
sb->d[i] = le64_to_cpu(s->d[i]);
- pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u",
+ pr_debug("read sb version %llu, flags %llu, seq %llu, journal size %u\n",
sb->version, sb->flags, sb->seq, sb->keys);
err = "Not a bcache superblock (bad offset)";
@@ -234,7 +234,7 @@ static void __write_super(struct cache_sb *sb, struct cache_sb_disk *out,
out->csum = csum_set(out);
- pr_debug("ver %llu, flags %llu, seq %llu",
+ pr_debug("ver %llu, flags %llu, seq %llu\n",
sb->version, sb->flags, sb->seq);
submit_bio(bio);
@@ -365,11 +365,11 @@ static void uuid_io(struct cache_set *c, int op, unsigned long op_flags,
}
bch_extent_to_text(buf, sizeof(buf), k);
- pr_debug("%s UUIDs at %s", op == REQ_OP_WRITE ? "wrote" : "read", buf);
+ pr_debug("%s UUIDs at %s\n", op == REQ_OP_WRITE ? "wrote" : "read", buf);
for (u = c->uuids; u < c->uuids + c->nr_uuids; u++)
if (!bch_is_zero(u->uuid, 16))
- pr_debug("Slot %zi: %pU: %s: 1st: %u last: %u inv: %u",
+ pr_debug("Slot %zi: %pU: %s: 1st: %u last: %u inv: %u\n",
u - c->uuids, u->uuid, u->label,
u->first_reg, u->last_reg, u->invalidated);
@@ -534,7 +534,7 @@ int bch_prio_write(struct cache *ca, bool wait)
struct bucket *b;
struct closure cl;
- pr_debug("free_prio=%zu, free_none=%zu, free_inc=%zu",
+ pr_debug("free_prio=%zu, free_none=%zu, free_inc=%zu\n",
fifo_used(&ca->free[RESERVE_PRIO]),
fifo_used(&ca->free[RESERVE_NONE]),
fifo_used(&ca->free_inc));
@@ -629,12 +629,12 @@ static int prio_read(struct cache *ca, uint64_t bucket)
if (p->csum !=
bch_crc64(&p->magic, bucket_bytes(ca) - 8)) {
- pr_warn("bad csum reading priorities");
+ pr_warn("bad csum reading priorities\n");
goto out;
}
if (p->magic != pset_magic(&ca->sb)) {
- pr_warn("bad magic reading priorities");
+ pr_warn("bad magic reading priorities\n");
goto out;
}
@@ -728,11 +728,11 @@ static void bcache_device_link(struct bcache_device *d, struct cache_set *c,
ret = sysfs_create_link(&d->kobj, &c->kobj, "cache");
if (ret < 0)
- pr_err("Couldn't create device -> cache set symlink");
+ pr_err("Couldn't create device -> cache set symlink\n");
ret = sysfs_create_link(&c->kobj, &d->kobj, d->name);
if (ret < 0)
- pr_err("Couldn't create cache set -> device symlink");
+ pr_err("Couldn't create cache set -> device symlink\n");
clear_bit(BCACHE_DEV_UNLINK_DONE, &d->flags);
}
@@ -789,15 +789,17 @@ static void bcache_device_free(struct bcache_device *d)
lockdep_assert_held(&bch_register_lock);
if (disk)
- pr_info("%s stopped", disk->disk_name);
+ pr_info("%s stopped\n", disk->disk_name);
else
- pr_err("bcache device (NULL gendisk) stopped");
+ pr_err("bcache device (NULL gendisk) stopped\n");
if (d->c)
bcache_device_detach(d);
if (disk) {
- if (disk->flags & GENHD_FL_UP)
+ bool disk_added = (disk->flags & GENHD_FL_UP) != 0;
+
+ if (disk_added)
del_gendisk(disk);
if (disk->queue)
@@ -805,7 +807,8 @@ static void bcache_device_free(struct bcache_device *d)
ida_simple_remove(&bcache_device_idx,
first_minor_to_idx(disk->first_minor));
- put_disk(disk);
+ if (disk_added)
+ put_disk(disk);
}
bioset_exit(&d->bio_split);
@@ -830,7 +833,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned int block_size,
d->nr_stripes = DIV_ROUND_UP_ULL(sectors, d->stripe_size);
if (!d->nr_stripes || d->nr_stripes > max_stripes) {
- pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)",
+ pr_err("nr_stripes too large or invalid: %u (start sector beyond end of disk?)\n",
(unsigned int)d->nr_stripes);
return -ENOMEM;
}
@@ -928,11 +931,11 @@ static int cached_dev_status_update(void *arg)
dc->offline_seconds = 0;
if (dc->offline_seconds >= BACKING_DEV_OFFLINE_TIMEOUT) {
- pr_err("%s: device offline for %d seconds",
+ pr_err("%s: device offline for %d seconds\n",
dc->backing_dev_name,
BACKING_DEV_OFFLINE_TIMEOUT);
- pr_err("%s: disable I/O request due to backing "
- "device offline", dc->disk.name);
+ pr_err("%s: disable I/O request due to backing device offline\n",
+ dc->disk.name);
dc->io_disable = true;
/* let others know earlier that io_disable is true */
smp_mb();
@@ -959,7 +962,7 @@ int bch_cached_dev_run(struct cached_dev *dc)
};
if (dc->io_disable) {
- pr_err("I/O disabled on cached dev %s",
+ pr_err("I/O disabled on cached dev %s\n",
dc->backing_dev_name);
kfree(env[1]);
kfree(env[2]);
@@ -971,7 +974,7 @@ int bch_cached_dev_run(struct cached_dev *dc)
kfree(env[1]);
kfree(env[2]);
kfree(buf);
- pr_info("cached dev %s is running already",
+ pr_info("cached dev %s is running already\n",
dc->backing_dev_name);
return -EBUSY;
}
@@ -1001,16 +1004,14 @@ int bch_cached_dev_run(struct cached_dev *dc)
if (sysfs_create_link(&d->kobj, &disk_to_dev(d->disk)->kobj, "dev") ||
sysfs_create_link(&disk_to_dev(d->disk)->kobj,
&d->kobj, "bcache")) {
- pr_err("Couldn't create bcache dev <-> disk sysfs symlinks");
+ pr_err("Couldn't create bcache dev <-> disk sysfs symlinks\n");
return -ENOMEM;
}
dc->status_update_thread = kthread_run(cached_dev_status_update,
dc, "bcache_status_update");
if (IS_ERR(dc->status_update_thread)) {
- pr_warn("failed to create bcache_status_update kthread, "
- "continue to run without monitoring backing "
- "device status");
+ pr_warn("failed to create bcache_status_update kthread, continue to run without monitoring backing device status\n");
}
return 0;
@@ -1036,7 +1037,7 @@ static void cancel_writeback_rate_update_dwork(struct cached_dev *dc)
} while (time_out > 0);
if (time_out == 0)
- pr_warn("give up waiting for dc->writeback_write_update to quit");
+ pr_warn("give up waiting for dc->writeback_write_update to quit\n");
cancel_delayed_work_sync(&dc->writeback_rate_update);
}
@@ -1077,7 +1078,7 @@ static void cached_dev_detach_finish(struct work_struct *w)
mutex_unlock(&bch_register_lock);
- pr_info("Caching disabled for %s", dc->backing_dev_name);
+ pr_info("Caching disabled for %s\n", dc->backing_dev_name);
/* Drop ref we took in cached_dev_detach() */
closure_put(&dc->disk.cl);
@@ -1117,20 +1118,20 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
return -ENOENT;
if (dc->disk.c) {
- pr_err("Can't attach %s: already attached",
+ pr_err("Can't attach %s: already attached\n",
dc->backing_dev_name);
return -EINVAL;
}
if (test_bit(CACHE_SET_STOPPING, &c->flags)) {
- pr_err("Can't attach %s: shutting down",
+ pr_err("Can't attach %s: shutting down\n",
dc->backing_dev_name);
return -EINVAL;
}
if (dc->sb.block_size < c->sb.block_size) {
/* Will die */
- pr_err("Couldn't attach %s: block size less than set's block size",
+ pr_err("Couldn't attach %s: block size less than set's block size\n",
dc->backing_dev_name);
return -EINVAL;
}
@@ -1138,7 +1139,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
/* Check whether already attached */
list_for_each_entry_safe(exist_dc, t, &c->cached_devs, list) {
if (!memcmp(dc->sb.uuid, exist_dc->sb.uuid, 16)) {
- pr_err("Tried to attach %s but duplicate UUID already attached",
+ pr_err("Tried to attach %s but duplicate UUID already attached\n",
dc->backing_dev_name);
return -EINVAL;
@@ -1157,14 +1158,14 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
if (!u) {
if (BDEV_STATE(&dc->sb) == BDEV_STATE_DIRTY) {
- pr_err("Couldn't find uuid for %s in set",
+ pr_err("Couldn't find uuid for %s in set\n",
dc->backing_dev_name);
return -ENOENT;
}
u = uuid_find_empty(c);
if (!u) {
- pr_err("Not caching %s, no room for UUID",
+ pr_err("Not caching %s, no room for UUID\n",
dc->backing_dev_name);
return -EINVAL;
}
@@ -1210,7 +1211,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
down_write(&dc->writeback_lock);
if (bch_cached_dev_writeback_start(dc)) {
up_write(&dc->writeback_lock);
- pr_err("Couldn't start writeback facilities for %s",
+ pr_err("Couldn't start writeback facilities for %s\n",
dc->disk.disk->disk_name);
return -ENOMEM;
}
@@ -1233,7 +1234,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
*/
kthread_stop(dc->writeback_thread);
cancel_writeback_rate_update_dwork(dc);
- pr_err("Couldn't run cached device %s",
+ pr_err("Couldn't run cached device %s\n",
dc->backing_dev_name);
return ret;
}
@@ -1244,7 +1245,7 @@ int bch_cached_dev_attach(struct cached_dev *dc, struct cache_set *c,
/* Allow the writeback thread to proceed */
up_write(&dc->writeback_lock);
- pr_info("Caching %s as %s on set %pU",
+ pr_info("Caching %s as %s on set %pU\n",
dc->backing_dev_name,
dc->disk.disk->disk_name,
dc->disk.c->sb.set_uuid);
@@ -1384,7 +1385,7 @@ static int register_bdev(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
if (bch_cache_accounting_add_kobjs(&dc->accounting, &dc->disk.kobj))
goto err;
- pr_info("registered backing device %s", dc->backing_dev_name);
+ pr_info("registered backing device %s\n", dc->backing_dev_name);
list_add(&dc->list, &uncached_devices);
/* attach to a matched cache set if it exists */
@@ -1401,7 +1402,7 @@ static int register_bdev(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
return 0;
err:
- pr_notice("error %s: %s", dc->backing_dev_name, err);
+ pr_notice("error %s: %s\n", dc->backing_dev_name, err);
bcache_device_stop(&dc->disk);
return ret;
}
@@ -1497,7 +1498,7 @@ int bch_flash_dev_create(struct cache_set *c, uint64_t size)
u = uuid_find_empty(c);
if (!u) {
- pr_err("Can't create volume, no room for UUID");
+ pr_err("Can't create volume, no room for UUID\n");
return -EINVAL;
}
@@ -1523,7 +1524,7 @@ bool bch_cached_dev_error(struct cached_dev *dc)
smp_mb();
pr_err("stop %s: too many IO errors on backing device %s\n",
- dc->disk.disk->disk_name, dc->backing_dev_name);
+ dc->disk.disk->disk_name, dc->backing_dev_name);
bcache_device_stop(&dc->disk);
return true;
@@ -1534,6 +1535,7 @@ bool bch_cached_dev_error(struct cached_dev *dc)
__printf(2, 3)
bool bch_cache_set_error(struct cache_set *c, const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
if (c->on_error != ON_ERROR_PANIC &&
@@ -1541,20 +1543,22 @@ bool bch_cache_set_error(struct cache_set *c, const char *fmt, ...)
return false;
if (test_and_set_bit(CACHE_SET_IO_DISABLE, &c->flags))
- pr_info("CACHE_SET_IO_DISABLE already set");
+ pr_info("CACHE_SET_IO_DISABLE already set\n");
/*
* XXX: we can be called from atomic context
* acquire_console_sem();
*/
- pr_err("bcache: error on %pU: ", c->sb.set_uuid);
-
va_start(args, fmt);
- vprintk(fmt, args);
- va_end(args);
- pr_err(", disabling caching\n");
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ pr_err("error on %pU: %pV, disabling caching\n",
+ c->sb.set_uuid, &vaf);
+
+ va_end(args);
if (c->on_error == ON_ERROR_PANIC)
panic("panic forced after error\n");
@@ -1606,7 +1610,7 @@ static void cache_set_free(struct closure *cl)
list_del(&c->list);
mutex_unlock(&bch_register_lock);
- pr_info("Cache set %pU unregistered", c->sb.set_uuid);
+ pr_info("Cache set %pU unregistered\n", c->sb.set_uuid);
wake_up(&unregister_wait);
closure_debug_destroy(&c->cl);
@@ -1677,7 +1681,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
struct cached_dev *dc)
{
if (dc->stop_when_cache_set_failed == BCH_CACHED_DEV_STOP_ALWAYS) {
- pr_warn("stop_when_cache_set_failed of %s is \"always\", stop it for failed cache set %pU.",
+ pr_warn("stop_when_cache_set_failed of %s is \"always\", stop it for failed cache set %pU.\n",
d->disk->disk_name, c->sb.set_uuid);
bcache_device_stop(d);
} else if (atomic_read(&dc->has_dirty)) {
@@ -1685,7 +1689,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
* dc->stop_when_cache_set_failed == BCH_CACHED_STOP_AUTO
* and dc->has_dirty == 1
*/
- pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is dirty, stop it to avoid potential data corruption.",
+ pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is dirty, stop it to avoid potential data corruption.\n",
d->disk->disk_name);
/*
* There might be a small time gap that cache set is
@@ -1707,7 +1711,7 @@ static void conditional_stop_bcache_device(struct cache_set *c,
* dc->stop_when_cache_set_failed == BCH_CACHED_STOP_AUTO
* and dc->has_dirty == 0
*/
- pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is clean, keep it alive.",
+ pr_warn("stop_when_cache_set_failed of %s is \"auto\" and cache is clean, keep it alive.\n",
d->disk->disk_name);
}
}
@@ -1874,7 +1878,7 @@ static int run_cache_set(struct cache_set *c)
if (bch_journal_read(c, &journal))
goto err;
- pr_debug("btree_journal_read() done");
+ pr_debug("btree_journal_read() done\n");
err = "no journal entries found";
if (list_empty(&journal))
@@ -1920,7 +1924,7 @@ static int run_cache_set(struct cache_set *c)
bch_journal_mark(c, &journal);
bch_initial_gc_finish(c);
- pr_debug("btree_check() done");
+ pr_debug("btree_check() done\n");
/*
* bcache_journal_next() can't happen sooner, or
@@ -1951,7 +1955,7 @@ static int run_cache_set(struct cache_set *c)
if (bch_journal_replay(c, &journal))
goto err;
} else {
- pr_notice("invalidating existing data");
+ pr_notice("invalidating existing data\n");
for_each_cache(ca, c, i) {
unsigned int j;
@@ -2085,7 +2089,7 @@ found:
memcpy(c->sb.set_uuid, ca->sb.set_uuid, 16);
c->sb.flags = ca->sb.flags;
c->sb.seq = ca->sb.seq;
- pr_debug("set version = %llu", c->sb.version);
+ pr_debug("set version = %llu\n", c->sb.version);
}
kobject_get(&ca->kobj);
@@ -2247,7 +2251,7 @@ err_btree_alloc:
err_free:
module_put(THIS_MODULE);
if (err)
- pr_notice("error %s: %s", ca->cache_dev_name, err);
+ pr_notice("error %s: %s\n", ca->cache_dev_name, err);
return ret;
}
@@ -2301,14 +2305,14 @@ static int register_cache(struct cache_sb *sb, struct cache_sb_disk *sb_disk,
goto out;
}
- pr_info("registered cache device %s", ca->cache_dev_name);
+ pr_info("registered cache device %s\n", ca->cache_dev_name);
out:
kobject_put(&ca->kobj);
err:
if (err)
- pr_notice("error %s: %s", ca->cache_dev_name, err);
+ pr_notice("error %s: %s\n", ca->cache_dev_name, err);
return ret;
}
@@ -2323,6 +2327,7 @@ static ssize_t bch_pending_bdevs_cleanup(struct kobject *k,
kobj_attribute_write(register, register_bcache);
kobj_attribute_write(register_quiet, register_bcache);
+kobj_attribute_write(register_async, register_bcache);
kobj_attribute_write(pendings_cleanup, bch_pending_bdevs_cleanup);
static bool bch_is_open_backing(struct block_device *bdev)
@@ -2358,6 +2363,83 @@ static bool bch_is_open(struct block_device *bdev)
return bch_is_open_cache(bdev) || bch_is_open_backing(bdev);
}
+struct async_reg_args {
+ struct work_struct reg_work;
+ char *path;
+ struct cache_sb *sb;
+ struct cache_sb_disk *sb_disk;
+ struct block_device *bdev;
+};
+
+static void register_bdev_worker(struct work_struct *work)
+{
+ int fail = false;
+ struct async_reg_args *args =
+ container_of(work, struct async_reg_args, reg_work);
+ struct cached_dev *dc;
+
+ dc = kzalloc(sizeof(*dc), GFP_KERNEL);
+ if (!dc) {
+ fail = true;
+ put_page(virt_to_page(args->sb_disk));
+ blkdev_put(args->bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
+ goto out;
+ }
+
+ mutex_lock(&bch_register_lock);
+ if (register_bdev(args->sb, args->sb_disk, args->bdev, dc) < 0)
+ fail = true;
+ mutex_unlock(&bch_register_lock);
+
+out:
+ if (fail)
+ pr_info("error %s: fail to register backing device\n",
+ args->path);
+ kfree(args->sb);
+ kfree(args->path);
+ kfree(args);
+ module_put(THIS_MODULE);
+}
+
+static void register_cache_worker(struct work_struct *work)
+{
+ int fail = false;
+ struct async_reg_args *args =
+ container_of(work, struct async_reg_args, reg_work);
+ struct cache *ca;
+
+ ca = kzalloc(sizeof(*ca), GFP_KERNEL);
+ if (!ca) {
+ fail = true;
+ put_page(virt_to_page(args->sb_disk));
+ blkdev_put(args->bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
+ goto out;
+ }
+
+ /* blkdev_put() will be called in bch_cache_release() */
+ if (register_cache(args->sb, args->sb_disk, args->bdev, ca) != 0)
+ fail = true;
+
+out:
+ if (fail)
+ pr_info("error %s: fail to register cache device\n",
+ args->path);
+ kfree(args->sb);
+ kfree(args->path);
+ kfree(args);
+ module_put(THIS_MODULE);
+}
+
+static void register_device_aync(struct async_reg_args *args)
+{
+ if (SB_IS_BDEV(args->sb))
+ INIT_WORK(&args->reg_work, register_bdev_worker);
+ else
+ INIT_WORK(&args->reg_work, register_cache_worker);
+
+ queue_work(system_wq, &args->reg_work);
+}
+
static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
const char *buffer, size_t size)
{
@@ -2420,6 +2502,26 @@ static ssize_t register_bcache(struct kobject *k, struct kobj_attribute *attr,
goto out_blkdev_put;
err = "failed to register device";
+ if (attr == &ksysfs_register_async) {
+ /* register in asynchronous way */
+ struct async_reg_args *args =
+ kzalloc(sizeof(struct async_reg_args), GFP_KERNEL);
+
+ if (!args) {
+ ret = -ENOMEM;
+ err = "cannot allocate memory";
+ goto out_put_sb_page;
+ }
+
+ args->path = path;
+ args->sb = sb;
+ args->sb_disk = sb_disk;
+ args->bdev = bdev;
+ register_device_aync(args);
+ /* No wait and returns to user space */
+ goto async_done;
+ }
+
if (SB_IS_BDEV(sb)) {
struct cached_dev *dc = kzalloc(sizeof(*dc), GFP_KERNEL);
@@ -2447,6 +2549,7 @@ done:
kfree(sb);
kfree(path);
module_put(THIS_MODULE);
+async_done:
return size;
out_put_sb_page:
@@ -2461,7 +2564,7 @@ out_free_path:
out_module_put:
module_put(THIS_MODULE);
out:
- pr_info("error %s: %s", path?path:"", err);
+ pr_info("error %s: %s\n", path?path:"", err);
return ret;
}
@@ -2506,7 +2609,7 @@ static ssize_t bch_pending_bdevs_cleanup(struct kobject *k,
mutex_unlock(&bch_register_lock);
list_for_each_entry_safe(pdev, tpdev, &pending_devs, list) {
- pr_info("delete pdev %p", pdev);
+ pr_info("delete pdev %p\n", pdev);
list_del(&pdev->list);
bcache_device_stop(&pdev->dc->disk);
kfree(pdev);
@@ -2549,7 +2652,7 @@ static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
mutex_unlock(&bch_register_lock);
- pr_info("Stopping all devices:");
+ pr_info("Stopping all devices:\n");
/*
* The reason bch_register_lock is not held to call
@@ -2599,9 +2702,9 @@ static int bcache_reboot(struct notifier_block *n, unsigned long code, void *x)
finish_wait(&unregister_wait, &wait);
if (stopped)
- pr_info("All devices stopped");
+ pr_info("All devices stopped\n");
else
- pr_notice("Timeout waiting for devices to be closed");
+ pr_notice("Timeout waiting for devices to be closed\n");
out:
mutex_unlock(&bch_register_lock);
}
@@ -2637,7 +2740,7 @@ static void check_module_parameters(void)
if (bch_cutoff_writeback_sync == 0)
bch_cutoff_writeback_sync = CUTOFF_WRITEBACK_SYNC;
else if (bch_cutoff_writeback_sync > CUTOFF_WRITEBACK_SYNC_MAX) {
- pr_warn("set bch_cutoff_writeback_sync (%u) to max value %u",
+ pr_warn("set bch_cutoff_writeback_sync (%u) to max value %u\n",
bch_cutoff_writeback_sync, CUTOFF_WRITEBACK_SYNC_MAX);
bch_cutoff_writeback_sync = CUTOFF_WRITEBACK_SYNC_MAX;
}
@@ -2645,13 +2748,13 @@ static void check_module_parameters(void)
if (bch_cutoff_writeback == 0)
bch_cutoff_writeback = CUTOFF_WRITEBACK;
else if (bch_cutoff_writeback > CUTOFF_WRITEBACK_MAX) {
- pr_warn("set bch_cutoff_writeback (%u) to max value %u",
+ pr_warn("set bch_cutoff_writeback (%u) to max value %u\n",
bch_cutoff_writeback, CUTOFF_WRITEBACK_MAX);
bch_cutoff_writeback = CUTOFF_WRITEBACK_MAX;
}
if (bch_cutoff_writeback > bch_cutoff_writeback_sync) {
- pr_warn("set bch_cutoff_writeback (%u) to %u",
+ pr_warn("set bch_cutoff_writeback (%u) to %u\n",
bch_cutoff_writeback, bch_cutoff_writeback_sync);
bch_cutoff_writeback = bch_cutoff_writeback_sync;
}
@@ -2662,6 +2765,9 @@ static int __init bcache_init(void)
static const struct attribute *files[] = {
&ksysfs_register.attr,
&ksysfs_register_quiet.attr,
+#ifdef CONFIG_BCACHE_ASYNC_REGISTRAION
+ &ksysfs_register_async.attr,
+#endif
&ksysfs_pendings_cleanup.attr,
NULL
};
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 323276994aab..0dadec5a78f6 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -421,7 +421,7 @@ STORE(__cached_dev)
return size;
}
if (v == -ENOENT)
- pr_err("Can't attach %s: cache set not found", buf);
+ pr_err("Can't attach %s: cache set not found\n", buf);
return v;
}
@@ -455,7 +455,7 @@ STORE(bch_cached_dev)
*/
if (dc->writeback_running) {
dc->writeback_running = false;
- pr_err("%s: failed to run non-existent writeback thread",
+ pr_err("%s: failed to run non-existent writeback thread\n",
dc->disk.disk->disk_name);
}
} else
@@ -872,11 +872,11 @@ STORE(__bch_cache_set)
if (v) {
if (test_and_set_bit(CACHE_SET_IO_DISABLE,
&c->flags))
- pr_warn("CACHE_SET_IO_DISABLE already set");
+ pr_warn("CACHE_SET_IO_DISABLE already set\n");
} else {
if (!test_and_clear_bit(CACHE_SET_IO_DISABLE,
&c->flags))
- pr_warn("CACHE_SET_IO_DISABLE already cleared");
+ pr_warn("CACHE_SET_IO_DISABLE already cleared\n");
}
}
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 3f7641fb28d5..1cf1e5016cb9 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -809,7 +809,7 @@ static int bch_root_node_dirty_init(struct cache_set *c,
schedule_timeout_interruptible(
msecs_to_jiffies(INIT_KEYS_SLEEP_MS));
else if (ret < 0) {
- pr_warn("sectors dirty init failed, ret=%d!", ret);
+ pr_warn("sectors dirty init failed, ret=%d!\n", ret);
break;
}
} while (ret == -EAGAIN);
@@ -917,7 +917,7 @@ void bch_sectors_dirty_init(struct bcache_device *d)
state = kzalloc(sizeof(struct bch_dirty_init_state), GFP_KERNEL);
if (!state) {
- pr_warn("sectors dirty init failed: cannot allocate memory");
+ pr_warn("sectors dirty init failed: cannot allocate memory\n");
return;
}
@@ -945,7 +945,7 @@ void bch_sectors_dirty_init(struct bcache_device *d)
&state->infos[i],
name);
if (IS_ERR(state->infos[i].thread)) {
- pr_err("fails to run thread bch_dirty_init[%d]", i);
+ pr_err("fails to run thread bch_dirty_init[%d]\n", i);
for (--i; i >= 0; i--)
kthread_stop(state->infos[i].thread);
goto out;
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 2d519c223562..d1786cfd7f22 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -400,13 +400,13 @@ static void *alloc_buffer_data(struct dm_bufio_client *c, gfp_t gfp_mask,
*/
if (gfp_mask & __GFP_NORETRY) {
unsigned noio_flag = memalloc_noio_save();
- void *ptr = __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+ void *ptr = __vmalloc(c->block_size, gfp_mask);
memalloc_noio_restore(noio_flag);
return ptr;
}
- return __vmalloc(c->block_size, gfp_mask, PAGE_KERNEL);
+ return __vmalloc(c->block_size, gfp_mask);
}
/*
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 4094c47eca7f..84cb04904fab 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -2657,7 +2657,7 @@ static void bitmap_flush_work(struct work_struct *work)
dm_integrity_flush_buffers(ic);
if (ic->meta_dev)
- blkdev_issue_flush(ic->dev->bdev, GFP_NOIO, NULL);
+ blkdev_issue_flush(ic->dev->bdev, GFP_NOIO);
limit = ic->provided_data_sectors;
if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING)) {
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 58fd137b6ae1..3e500098132f 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -585,10 +585,12 @@ static struct pgpath *__map_bio(struct multipath *m, struct bio *bio)
/* Do we need to select a new pgpath? */
pgpath = READ_ONCE(m->current_pgpath);
- queue_io = test_bit(MPATHF_QUEUE_IO, &m->flags);
- if (!pgpath || !queue_io)
+ if (!pgpath || !test_bit(MPATHF_QUEUE_IO, &m->flags))
pgpath = choose_pgpath(m, bio->bi_iter.bi_size);
+ /* MPATHF_QUEUE_IO might have been cleared by choose_pgpath. */
+ queue_io = test_bit(MPATHF_QUEUE_IO, &m->flags);
+
if ((pgpath && queue_io) ||
(!pgpath && test_bit(MPATHF_QUEUE_IF_NO_PATH, &m->flags))) {
/* Queue for the daemon to resubmit */
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index 3f8577e2c13b..f60c02512121 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -547,7 +547,7 @@ int dm_mq_init_request_queue(struct mapped_device *md, struct dm_table *t)
md->tag_set->ops = &dm_mq_ops;
md->tag_set->queue_depth = dm_get_blk_mq_queue_depth();
md->tag_set->numa_node = md->numa_node_id;
- md->tag_set->flags = BLK_MQ_F_SHOULD_MERGE;
+ md->tag_set->flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_STACKING;
md->tag_set->nr_hw_queues = dm_get_blk_mq_nr_hw_queues();
md->tag_set->driver_data = md;
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 0a2cc197f62b..8277b959e00b 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -279,7 +279,6 @@ static struct dm_dev_internal *find_device(struct list_head *l, dev_t dev)
static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
sector_t start, sector_t len, void *data)
{
- struct request_queue *q;
struct queue_limits *limits = data;
struct block_device *bdev = dev->bdev;
sector_t dev_size =
@@ -288,22 +287,6 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev,
limits->logical_block_size >> SECTOR_SHIFT;
char b[BDEVNAME_SIZE];
- /*
- * Some devices exist without request functions,
- * such as loop devices not yet bound to backing files.
- * Forbid the use of such devices.
- */
- q = bdev_get_queue(bdev);
- if (!q || !q->make_request_fn) {
- DMWARN("%s: %s is not yet initialised: "
- "start=%llu, len=%llu, dev_size=%llu",
- dm_device_name(ti->table->md), bdevname(bdev, b),
- (unsigned long long)start,
- (unsigned long long)len,
- (unsigned long long)dev_size);
- return 1;
- }
-
if (!dev_size)
return 0;
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 49147e634046..fb41b4f23c48 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -435,7 +435,7 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io,
fio->level++;
if (type == DM_VERITY_BLOCK_TYPE_METADATA)
- block += v->data_blocks;
+ block = block - v->hash_start + v->data_blocks;
/*
* For RS(M, N), the continuous FEC data is divided into blocks of N
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 114927da9cc9..613c171b1b6d 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -931,6 +931,24 @@ static int writecache_alloc_entries(struct dm_writecache *wc)
return 0;
}
+static int writecache_read_metadata(struct dm_writecache *wc, sector_t n_sectors)
+{
+ struct dm_io_region region;
+ struct dm_io_request req;
+
+ region.bdev = wc->ssd_dev->bdev;
+ region.sector = wc->start_sector;
+ region.count = n_sectors;
+ req.bi_op = REQ_OP_READ;
+ req.bi_op_flags = REQ_SYNC;
+ req.mem.type = DM_IO_VMA;
+ req.mem.ptr.vma = (char *)wc->memory_map;
+ req.client = wc->dm_io;
+ req.notify.fn = NULL;
+
+ return dm_io(&req, 1, &region, NULL);
+}
+
static void writecache_resume(struct dm_target *ti)
{
struct dm_writecache *wc = ti->private;
@@ -941,8 +959,18 @@ static void writecache_resume(struct dm_target *ti)
wc_lock(wc);
- if (WC_MODE_PMEM(wc))
+ if (WC_MODE_PMEM(wc)) {
persistent_memory_invalidate_cache(wc->memory_map, wc->memory_map_size);
+ } else {
+ r = writecache_read_metadata(wc, wc->metadata_sectors);
+ if (r) {
+ size_t sb_entries_offset;
+ writecache_error(wc, r, "unable to read metadata: %d", r);
+ sb_entries_offset = offsetof(struct wc_memory_superblock, entries);
+ memset((char *)wc->memory_map + sb_entries_offset, -1,
+ (wc->metadata_sectors << SECTOR_SHIFT) - sb_entries_offset);
+ }
+ }
wc->tree = RB_ROOT;
INIT_LIST_HEAD(&wc->lru);
@@ -2102,6 +2130,12 @@ static int writecache_ctr(struct dm_target *ti, unsigned argc, char **argv)
ti->error = "Invalid block size";
goto bad;
}
+ if (wc->block_size < bdev_logical_block_size(wc->dev->bdev) ||
+ wc->block_size < bdev_logical_block_size(wc->ssd_dev->bdev)) {
+ r = -EINVAL;
+ ti->error = "Block size is smaller than device logical block size";
+ goto bad;
+ }
wc->block_size_bits = __ffs(wc->block_size);
wc->max_writeback_jobs = MAX_WRITEBACK_JOBS;
@@ -2200,8 +2234,6 @@ invalid_optional:
goto bad;
}
} else {
- struct dm_io_region region;
- struct dm_io_request req;
size_t n_blocks, n_metadata_blocks;
uint64_t n_bitmap_bits;
@@ -2258,19 +2290,9 @@ invalid_optional:
goto bad;
}
- region.bdev = wc->ssd_dev->bdev;
- region.sector = wc->start_sector;
- region.count = wc->metadata_sectors;
- req.bi_op = REQ_OP_READ;
- req.bi_op_flags = REQ_SYNC;
- req.mem.type = DM_IO_VMA;
- req.mem.ptr.vma = (char *)wc->memory_map;
- req.client = wc->dm_io;
- req.notify.fn = NULL;
-
- r = dm_io(&req, 1, &region, NULL);
+ r = writecache_read_metadata(wc, wc->block_size >> SECTOR_SHIFT);
if (r) {
- ti->error = "Unable to read metadata";
+ ti->error = "Unable to read first block of metadata";
goto bad;
}
}
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 369de15c4e80..bf2245370305 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -661,7 +661,7 @@ static int dmz_write_sb(struct dmz_metadata *zmd, unsigned int set)
ret = dmz_rdwr_block(zmd, REQ_OP_WRITE, block, mblk->page);
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
return ret;
}
@@ -703,7 +703,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
/* Flush drive cache (this will also sync data) */
if (ret == 0)
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
return ret;
}
@@ -772,7 +772,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
/* If there are no dirty metadata blocks, just flush the device cache */
if (list_empty(&write_list)) {
- ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
+ ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO);
goto err;
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index db9e46114653..3f39fa1ac756 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -26,6 +26,7 @@
#include <linux/pr.h>
#include <linux/refcount.h>
#include <linux/part_stat.h>
+#include <linux/blk-crypto.h>
#define DM_MSG_PREFIX "core"
@@ -680,11 +681,7 @@ static void start_io_acct(struct dm_io *io)
struct mapped_device *md = io->md;
struct bio *bio = io->orig_bio;
- io->start_time = jiffies;
-
- generic_start_io_acct(md->queue, bio_op(bio), bio_sectors(bio),
- &dm_disk(md)->part0);
-
+ io->start_time = bio_start_io_acct(bio);
if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
bio->bi_iter.bi_sector, bio_sectors(bio),
@@ -697,8 +694,7 @@ static void end_io_acct(struct dm_io *io)
struct bio *bio = io->orig_bio;
unsigned long duration = jiffies - io->start_time;
- generic_end_io_acct(md->queue, bio_op(bio), &dm_disk(md)->part0,
- io->start_time);
+ bio_end_io_acct(bio, io->start_time);
if (unlikely(dm_stats_used(&md->stats)))
dm_stats_account_io(&md->stats, bio_data_dir(bio),
@@ -1334,6 +1330,8 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio,
__bio_clone_fast(clone, bio);
+ bio_crypt_clone(clone, bio, GFP_NOIO);
+
if (bio_integrity(bio)) {
int r;
@@ -1788,6 +1786,18 @@ static blk_qc_t dm_make_request(struct request_queue *q, struct bio *bio)
int srcu_idx;
struct dm_table *map;
+ if (dm_get_md_type(md) == DM_TYPE_REQUEST_BASED) {
+ /*
+ * We are called with a live reference on q_usage_counter, but
+ * that one will be released as soon as we return. Grab an
+ * extra one as blk_mq_make_request expects to be able to
+ * consume a reference (which lives until the request is freed
+ * in case a request is allocated).
+ */
+ percpu_ref_get(&q->q_usage_counter);
+ return blk_mq_make_request(q, bio);
+ }
+
map = dm_get_live_table(md, &srcu_idx);
/* if we're suspended, we have to queue this io for later */
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index b952bd45bd6a..95a5f3757fa3 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -324,14 +324,6 @@ static void end_bitmap_write(struct buffer_head *bh, int uptodate)
wake_up(&bitmap->write_wait);
}
-/* copied from buffer.c */
-static void
-__clear_page_buffers(struct page *page)
-{
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
-}
static void free_buffers(struct page *page)
{
struct buffer_head *bh;
@@ -345,7 +337,7 @@ static void free_buffers(struct page *page)
free_buffer_head(bh);
bh = next;
}
- __clear_page_buffers(page);
+ detach_page_private(page);
put_page(page);
}
@@ -374,7 +366,7 @@ static int read_page(struct file *file, unsigned long index,
ret = -ENOMEM;
goto out;
}
- attach_page_buffers(page, bh);
+ attach_page_private(page, bh);
blk_cur = index << (PAGE_SHIFT - inode->i_blkbits);
while (bh) {
block = blk_cur;
diff --git a/drivers/md/md-linear.h b/drivers/md/md-linear.h
index 8381d651d4ed..24e97db50ebb 100644
--- a/drivers/md/md-linear.h
+++ b/drivers/md/md-linear.h
@@ -12,6 +12,6 @@ struct linear_conf
struct rcu_head rcu;
sector_t array_sectors;
int raid_disks; /* a copy of mddev->raid_disks */
- struct dev_info disks[0];
+ struct dev_info disks[];
};
#endif
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 271e8a587354..f567f536b529 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -89,6 +89,7 @@ static struct module *md_cluster_mod;
static DECLARE_WAIT_QUEUE_HEAD(resync_wait);
static struct workqueue_struct *md_wq;
static struct workqueue_struct *md_misc_wq;
+static struct workqueue_struct *md_rdev_misc_wq;
static int remove_and_add_spares(struct mddev *mddev,
struct md_rdev *this);
@@ -227,13 +228,13 @@ void mddev_create_serial_pool(struct mddev *mddev, struct md_rdev *rdev,
goto abort;
if (mddev->serial_info_pool == NULL) {
- unsigned int noio_flag;
-
- noio_flag = memalloc_noio_save();
+ /*
+ * already in memalloc noio context by
+ * mddev_suspend()
+ */
mddev->serial_info_pool =
mempool_create_kmalloc_pool(NR_SERIAL_INFOS,
sizeof(struct serial_info));
- memalloc_noio_restore(noio_flag);
if (!mddev->serial_info_pool) {
rdevs_uninit_serial(mddev);
pr_err("can't alloc memory pool for serialization\n");
@@ -466,7 +467,7 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
{
const int rw = bio_data_dir(bio);
const int sgrp = op_stat_group(bio_op(bio));
- struct mddev *mddev = q->queuedata;
+ struct mddev *mddev = bio->bi_disk->private_data;
unsigned int sectors;
if (unlikely(test_bit(MD_BROKEN, &mddev->flags)) && (rw == WRITE)) {
@@ -527,11 +528,15 @@ void mddev_suspend(struct mddev *mddev)
wait_event(mddev->sb_wait, !test_bit(MD_UPDATING_SB, &mddev->flags));
del_timer_sync(&mddev->safemode_timer);
+ /* restrict memory reclaim I/O during raid array is suspend */
+ mddev->noio_flag = memalloc_noio_save();
}
EXPORT_SYMBOL_GPL(mddev_suspend);
void mddev_resume(struct mddev *mddev)
{
+ /* entred the memalloc scope from mddev_suspend() */
+ memalloc_noio_restore(mddev->noio_flag);
lockdep_assert_held(&mddev->reconfig_mutex);
if (--mddev->suspended)
return;
@@ -2454,7 +2459,7 @@ static int bind_rdev_to_array(struct md_rdev *rdev, struct mddev *mddev)
return err;
}
-static void md_delayed_delete(struct work_struct *ws)
+static void rdev_delayed_delete(struct work_struct *ws)
{
struct md_rdev *rdev = container_of(ws, struct md_rdev, del_work);
kobject_del(&rdev->kobj);
@@ -2479,9 +2484,9 @@ static void unbind_rdev_from_array(struct md_rdev *rdev)
* to delay it due to rcu usage.
*/
synchronize_rcu();
- INIT_WORK(&rdev->del_work, md_delayed_delete);
+ INIT_WORK(&rdev->del_work, rdev_delayed_delete);
kobject_get(&rdev->kobj);
- queue_work(md_misc_wq, &rdev->del_work);
+ queue_work(md_rdev_misc_wq, &rdev->del_work);
}
/*
@@ -3191,8 +3196,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
rdev->saved_raid_disk = -1;
clear_bit(In_sync, &rdev->flags);
clear_bit(Bitmap_sync, &rdev->flags);
- err = rdev->mddev->pers->
- hot_add_disk(rdev->mddev, rdev);
+ err = rdev->mddev->pers->hot_add_disk(rdev->mddev, rdev);
if (err) {
rdev->raid_disk = -1;
return err;
@@ -4514,6 +4518,20 @@ null_show(struct mddev *mddev, char *page)
return -EINVAL;
}
+/* need to ensure rdev_delayed_delete() has completed */
+static void flush_rdev_wq(struct mddev *mddev)
+{
+ struct md_rdev *rdev;
+
+ rcu_read_lock();
+ rdev_for_each_rcu(rdev, mddev)
+ if (work_pending(&rdev->del_work)) {
+ flush_workqueue(md_rdev_misc_wq);
+ break;
+ }
+ rcu_read_unlock();
+}
+
static ssize_t
new_dev_store(struct mddev *mddev, const char *buf, size_t len)
{
@@ -4541,8 +4559,7 @@ new_dev_store(struct mddev *mddev, const char *buf, size_t len)
minor != MINOR(dev))
return -EOVERFLOW;
- flush_workqueue(md_misc_wq);
-
+ flush_rdev_wq(mddev);
err = mddev_lock(mddev);
if (err)
return err;
@@ -4780,7 +4797,8 @@ action_store(struct mddev *mddev, const char *page, size_t len)
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) &&
mddev_lock(mddev) == 0) {
- flush_workqueue(md_misc_wq);
+ if (work_pending(&mddev->del_work))
+ flush_workqueue(md_misc_wq);
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_reap_sync_thread(mddev);
@@ -5626,7 +5644,6 @@ static int md_alloc(dev_t dev, char *name)
mddev->queue = blk_alloc_queue(md_make_request, NUMA_NO_NODE);
if (!mddev->queue)
goto abort;
- mddev->queue->queuedata = mddev;
blk_set_stacking_limits(&mddev->queue->limits);
@@ -6147,7 +6164,8 @@ static void md_clean(struct mddev *mddev)
static void __md_stop_writes(struct mddev *mddev)
{
set_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- flush_workqueue(md_misc_wq);
+ if (work_pending(&mddev->del_work))
+ flush_workqueue(md_misc_wq);
if (mddev->sync_thread) {
set_bit(MD_RECOVERY_INTR, &mddev->recovery);
md_reap_sync_thread(mddev);
@@ -6200,7 +6218,8 @@ static void __md_stop(struct mddev *mddev)
md_bitmap_destroy(mddev);
mddev_detach(mddev);
/* Ensure ->event_work is done */
- flush_workqueue(md_misc_wq);
+ if (mddev->event_work.func)
+ flush_workqueue(md_misc_wq);
spin_lock(&mddev->lock);
mddev->pers = NULL;
spin_unlock(&mddev->lock);
@@ -7495,9 +7514,8 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
}
- if (cmd == ADD_NEW_DISK)
- /* need to ensure md_delayed_delete() has completed */
- flush_workqueue(md_misc_wq);
+ if (cmd == ADD_NEW_DISK || cmd == HOT_ADD_DISK)
+ flush_rdev_wq(mddev);
if (cmd == HOT_REMOVE_DISK)
/* need to ensure recovery thread has run */
@@ -7752,7 +7770,8 @@ static int md_open(struct block_device *bdev, fmode_t mode)
*/
mddev_put(mddev);
/* Wait until bdev->bd_disk is definitely gone */
- flush_workqueue(md_misc_wq);
+ if (work_pending(&mddev->del_work))
+ flush_workqueue(md_misc_wq);
/* Then retry the open from the top */
return -ERESTARTSYS;
}
@@ -9040,8 +9059,7 @@ static int remove_and_add_spares(struct mddev *mddev,
rdev->recovery_offset = 0;
}
- if (mddev->pers->
- hot_add_disk(mddev, rdev) == 0) {
+ if (mddev->pers->hot_add_disk(mddev, rdev) == 0) {
if (sysfs_link_rdev(mddev, rdev))
/* failure here is OK */;
if (!test_bit(Journal, &rdev->flags))
@@ -9469,6 +9487,10 @@ static int __init md_init(void)
if (!md_misc_wq)
goto err_misc_wq;
+ md_rdev_misc_wq = alloc_workqueue("md_rdev_misc", 0, 0);
+ if (!md_misc_wq)
+ goto err_rdev_misc_wq;
+
if ((ret = register_blkdev(MD_MAJOR, "md")) < 0)
goto err_md;
@@ -9490,6 +9512,8 @@ static int __init md_init(void)
err_mdp:
unregister_blkdev(MD_MAJOR, "md");
err_md:
+ destroy_workqueue(md_rdev_misc_wq);
+err_rdev_misc_wq:
destroy_workqueue(md_misc_wq);
err_misc_wq:
destroy_workqueue(md_wq);
@@ -9776,6 +9800,7 @@ static __exit void md_exit(void)
* destroy_workqueue() below will wait for that to complete.
*/
}
+ destroy_workqueue(md_rdev_misc_wq);
destroy_workqueue(md_misc_wq);
destroy_workqueue(md_wq);
}
@@ -9785,7 +9810,7 @@ module_exit(md_exit)
static int get_ro(char *buffer, const struct kernel_param *kp)
{
- return sprintf(buffer, "%d", start_readonly);
+ return sprintf(buffer, "%d\n", start_readonly);
}
static int set_ro(const char *val, const struct kernel_param *kp)
{
diff --git a/drivers/md/md.h b/drivers/md/md.h
index acd681939112..612814d07d35 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -497,6 +497,7 @@ struct mddev {
void (*sync_super)(struct mddev *mddev, struct md_rdev *rdev);
struct md_cluster_info *cluster_info;
unsigned int good_device_nr; /* good device num within cluster raid */
+ unsigned int noio_flag; /* for memalloc scope API */
bool has_superblocks:1;
bool fail_last_dev:1;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index cd810e195086..dcd27f3da84e 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -296,22 +296,17 @@ static void reschedule_retry(struct r1bio *r1_bio)
static void call_bio_endio(struct r1bio *r1_bio)
{
struct bio *bio = r1_bio->master_bio;
- struct r1conf *conf = r1_bio->mddev->private;
if (!test_bit(R1BIO_Uptodate, &r1_bio->state))
bio->bi_status = BLK_STS_IOERR;
bio_endio(bio);
- /*
- * Wake up any possible resync thread that waits for the device
- * to go idle.
- */
- allow_barrier(conf, r1_bio->sector);
}
static void raid_end_bio_io(struct r1bio *r1_bio)
{
struct bio *bio = r1_bio->master_bio;
+ struct r1conf *conf = r1_bio->mddev->private;
/* if nobody has done the final endio yet, do it now */
if (!test_and_set_bit(R1BIO_Returned, &r1_bio->state)) {
@@ -322,6 +317,12 @@ static void raid_end_bio_io(struct r1bio *r1_bio)
call_bio_endio(r1_bio);
}
+ /*
+ * Wake up any possible resync thread that waits for the device
+ * to go idle. All I/Os, even write-behind writes, are done.
+ */
+ allow_barrier(conf, r1_bio->sector);
+
free_r1bio(r1_bio);
}
diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h
index e7ccad898736..b7eb09e8c025 100644
--- a/drivers/md/raid1.h
+++ b/drivers/md/raid1.h
@@ -180,7 +180,7 @@ struct r1bio {
* if the IO is in WRITE direction, then multiple bios are used.
* We choose the number when they are allocated.
*/
- struct bio *bios[0];
+ struct bio *bios[];
/* DO NOT PUT ANY NEW FIELDS HERE - bios array is contiguously alloced*/
};
diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h
index d3eaaf3eb1bc..79cd2b7d3128 100644
--- a/drivers/md/raid10.h
+++ b/drivers/md/raid10.h
@@ -153,7 +153,7 @@ struct r10bio {
};
sector_t addr;
int devnum;
- } devs[0];
+ } devs[];
};
/* bits for r10bio.state */
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index d50238d0a85d..a750f4bbb5d9 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -1037,7 +1037,7 @@ static int ppl_recover(struct ppl_log *log, struct ppl_header *pplhdr,
}
/* flush the disk cache after recovery if necessary */
- ret = blkdev_issue_flush(rdev->bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(rdev->bdev, GFP_KERNEL);
out:
__free_page(page);
return ret;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ba00e9877f02..ab8067f9ce8c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2215,10 +2215,13 @@ static int grow_stripes(struct r5conf *conf, int num)
}
/**
- * scribble_len - return the required size of the scribble region
+ * scribble_alloc - allocate percpu scribble buffer for required size
+ * of the scribble region
+ * @percpu - from for_each_present_cpu() of the caller
* @num - total number of disks in the array
+ * @cnt - scribble objs count for required size of the scribble region
*
- * The size must be enough to contain:
+ * The scribble buffer size must be enough to contain:
* 1/ a struct page pointer for each device in the array +2
* 2/ room to convert each entry in (1) to its corresponding dma
* (dma_map_page()) or page (page_address()) address.
@@ -2228,14 +2231,19 @@ static int grow_stripes(struct r5conf *conf, int num)
* of the P and Q blocks.
*/
static int scribble_alloc(struct raid5_percpu *percpu,
- int num, int cnt, gfp_t flags)
+ int num, int cnt)
{
size_t obj_size =
sizeof(struct page *) * (num+2) +
sizeof(addr_conv_t) * (num+2);
void *scribble;
- scribble = kvmalloc_array(cnt, obj_size, flags);
+ /*
+ * If here is in raid array suspend context, it is in memalloc noio
+ * context as well, there is no potential recursive memory reclaim
+ * I/Os with the GFP_KERNEL flag.
+ */
+ scribble = kvmalloc_array(cnt, obj_size, GFP_KERNEL);
if (!scribble)
return -ENOMEM;
@@ -2267,8 +2275,7 @@ static int resize_chunks(struct r5conf *conf, int new_disks, int new_sectors)
percpu = per_cpu_ptr(conf->percpu, cpu);
err = scribble_alloc(percpu, new_disks,
- new_sectors / STRIPE_SECTORS,
- GFP_NOIO);
+ new_sectors / STRIPE_SECTORS);
if (err)
break;
}
@@ -6759,8 +6766,7 @@ static int alloc_scratch_buffer(struct r5conf *conf, struct raid5_percpu *percpu
conf->previous_raid_disks),
max(conf->chunk_sectors,
conf->prev_chunk_sectors)
- / STRIPE_SECTORS,
- GFP_KERNEL)) {
+ / STRIPE_SECTORS)) {
free_scratch_buffer(conf, percpu);
return -ENOMEM;
}
diff --git a/drivers/media/cec/core/cec-notifier.c b/drivers/media/cec/core/cec-notifier.c
index e748cd54b45d..517e0035fc99 100644
--- a/drivers/media/cec/core/cec-notifier.c
+++ b/drivers/media/cec/core/cec-notifier.c
@@ -2,7 +2,7 @@
/*
* cec-notifier.c - notify CEC drivers of physical address changes
*
- * Copyright 2016 Russell King <rmk+kernel@arm.linux.org.uk>
+ * Copyright 2016 Russell King.
* Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
diff --git a/drivers/media/cec/usb/pulse8/pulse8-cec.c b/drivers/media/cec/usb/pulse8/pulse8-cec.c
index 0655aa9ecf28..beae6aa12638 100644
--- a/drivers/media/cec/usb/pulse8/pulse8-cec.c
+++ b/drivers/media/cec/usb/pulse8/pulse8-cec.c
@@ -661,7 +661,6 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio,
u8 *data = pulse8->data + 1;
u8 cmd[2];
int err;
- struct tm tm;
time64_t date;
pulse8->vers = 0;
@@ -682,10 +681,7 @@ static int pulse8_setup(struct pulse8 *pulse8, struct serio *serio,
if (err)
return err;
date = (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
- time64_to_tm(date, 0, &tm);
- dev_info(pulse8->dev, "Firmware build date %04ld.%02d.%02d %02d:%02d:%02d\n",
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec);
+ dev_info(pulse8->dev, "Firmware build date %ptT\n", &date);
dev_dbg(pulse8->dev, "Persistent config:\n");
cmd[0] = MSGCODE_GET_AUTO_ENABLED;
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index 6db60e9d5183..92072a08af25 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -309,8 +309,7 @@ static void *vb2_dma_sg_vaddr(void *buf_priv)
if (buf->db_attach)
buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf);
else
- buf->vaddr = vm_map_ram(buf->pages,
- buf->num_pages, -1, PAGE_KERNEL);
+ buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1);
}
/* add offset in case userptr is not page-aligned */
diff --git a/drivers/media/common/videobuf2/videobuf2-vmalloc.c b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
index 1a4f0ca87c7c..c66fda4a65e4 100644
--- a/drivers/media/common/videobuf2/videobuf2-vmalloc.c
+++ b/drivers/media/common/videobuf2/videobuf2-vmalloc.c
@@ -107,8 +107,7 @@ static void *vb2_vmalloc_get_userptr(struct device *dev, unsigned long vaddr,
buf->vaddr = (__force void *)
ioremap(__pfn_to_phys(nums[0]), size + offset);
} else {
- buf->vaddr = vm_map_ram(frame_vector_pages(vec), n_pages, -1,
- PAGE_KERNEL);
+ buf->vaddr = vm_map_ram(frame_vector_pages(vec), n_pages, -1);
}
if (!buf->vaddr)
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 4175d06ffd47..1ef5af9a8c8b 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -4,7 +4,7 @@
*
* Copyright 2018 Qtechnology A/S
*
- * Ricardo Ribalda <ricardo.ribalda@gmail.com>
+ * Ricardo Ribalda <ribalda@kernel.org>
*/
#include <linux/clk.h>
#include <linux/delay.h>
@@ -1120,5 +1120,5 @@ static struct i2c_driver imx214_i2c_driver = {
module_i2c_driver(imx214_i2c_driver);
MODULE_DESCRIPTION("Sony IMX214 Camera driver");
-MODULE_AUTHOR("Ricardo Ribalda <ricardo.ribalda@gmail.com>");
+MODULE_AUTHOR("Ricardo Ribalda <ribalda@kernel.org>");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/media/mmc/siano/smssdio.c b/drivers/media/mmc/siano/smssdio.c
index def5e93849d2..065b572e0272 100644
--- a/drivers/media/mmc/siano/smssdio.c
+++ b/drivers/media/mmc/siano/smssdio.c
@@ -58,15 +58,15 @@ static const struct sdio_device_id smssdio_ids[] = {
.driver_data = SMS1XXX_BOARD_SIANO_VEGA},
{SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_VENICE),
.driver_data = SMS1XXX_BOARD_SIANO_VEGA},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, 0x302),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_MING),
.driver_data = SMS1XXX_BOARD_SIANO_MING},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, 0x500),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_PELE),
.driver_data = SMS1XXX_BOARD_SIANO_PELE},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, 0x600),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_RIO),
.driver_data = SMS1XXX_BOARD_SIANO_RIO},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, 0x700),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_DENVER_2160),
.driver_data = SMS1XXX_BOARD_SIANO_DENVER_2160},
- {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, 0x800),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_SIANO, SDIO_DEVICE_ID_SIANO_DENVER_1530),
.driver_data = SMS1XXX_BOARD_SIANO_DENVER_1530},
{ /* end: all zeroes */ },
};
diff --git a/drivers/media/pci/ivtv/ivtv-udma.c b/drivers/media/pci/ivtv/ivtv-udma.c
index 5f8883031c9c..0d8372cc364a 100644
--- a/drivers/media/pci/ivtv/ivtv-udma.c
+++ b/drivers/media/pci/ivtv/ivtv-udma.c
@@ -92,7 +92,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
{
struct ivtv_dma_page_info user_dma;
struct ivtv_user_dma *dma = &itv->udma;
- int i, err;
+ int err;
IVTV_DEBUG_DMA("ivtv_udma_setup, dst: 0x%08x\n", (unsigned int)ivtv_dest_addr);
@@ -111,16 +111,15 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
return -EINVAL;
}
- /* Get user pages for DMA Xfer */
- err = get_user_pages_unlocked(user_dma.uaddr, user_dma.page_count,
+ /* Pin user pages for DMA Xfer */
+ err = pin_user_pages_unlocked(user_dma.uaddr, user_dma.page_count,
dma->map, FOLL_FORCE);
if (user_dma.page_count != err) {
IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n",
err, user_dma.page_count);
if (err >= 0) {
- for (i = 0; i < err; i++)
- put_page(dma->map[i]);
+ unpin_user_pages(dma->map, err);
return -EINVAL;
}
return err;
@@ -130,9 +129,7 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
/* Fill SG List with new values */
if (ivtv_udma_fill_sg_list(dma, &user_dma, 0) < 0) {
- for (i = 0; i < dma->page_count; i++) {
- put_page(dma->map[i]);
- }
+ unpin_user_pages(dma->map, dma->page_count);
dma->page_count = 0;
return -ENOMEM;
}
@@ -153,7 +150,6 @@ int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
void ivtv_udma_unmap(struct ivtv *itv)
{
struct ivtv_user_dma *dma = &itv->udma;
- int i;
IVTV_DEBUG_INFO("ivtv_unmap_user_dma\n");
@@ -169,10 +165,7 @@ void ivtv_udma_unmap(struct ivtv *itv)
/* sync DMA */
ivtv_udma_sync_for_cpu(itv);
- /* Release User Pages */
- for (i = 0; i < dma->page_count; i++) {
- put_page(dma->map[i]);
- }
+ unpin_user_pages(dma->map, dma->page_count);
dma->page_count = 0;
}
diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c
index cd2fe2d444c0..5f7dc9771f8d 100644
--- a/drivers/media/pci/ivtv/ivtv-yuv.c
+++ b/drivers/media/pci/ivtv/ivtv-yuv.c
@@ -30,7 +30,6 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
struct yuv_playback_info *yi = &itv->yuv_info;
u8 frame = yi->draw_frame;
struct yuv_frame_info *f = &yi->new_frame_info[frame];
- int i;
int y_pages, uv_pages;
unsigned long y_buffer_offset, uv_buffer_offset;
int y_decode_height, uv_decode_height, y_size;
@@ -62,12 +61,12 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height);
ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height);
- /* Get user pages for DMA Xfer */
- y_pages = get_user_pages_unlocked(y_dma.uaddr,
+ /* Pin user pages for DMA Xfer */
+ y_pages = pin_user_pages_unlocked(y_dma.uaddr,
y_dma.page_count, &dma->map[0], FOLL_FORCE);
uv_pages = 0; /* silence gcc. value is set and consumed only if: */
if (y_pages == y_dma.page_count) {
- uv_pages = get_user_pages_unlocked(uv_dma.uaddr,
+ uv_pages = pin_user_pages_unlocked(uv_dma.uaddr,
uv_dma.page_count, &dma->map[y_pages],
FOLL_FORCE);
}
@@ -81,8 +80,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
uv_pages, uv_dma.page_count);
if (uv_pages >= 0) {
- for (i = 0; i < uv_pages; i++)
- put_page(dma->map[y_pages + i]);
+ unpin_user_pages(&dma->map[y_pages], uv_pages);
rc = -EFAULT;
} else {
rc = uv_pages;
@@ -93,8 +91,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
y_pages, y_dma.page_count);
}
if (y_pages >= 0) {
- for (i = 0; i < y_pages; i++)
- put_page(dma->map[i]);
+ unpin_user_pages(dma->map, y_pages);
/*
* Inherit the -EFAULT from rc's
* initialization, but allow it to be
@@ -112,9 +109,7 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
/* Fill & map SG List */
if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) {
IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n");
- for (i = 0; i < dma->page_count; i++) {
- put_page(dma->map[i]);
- }
+ unpin_user_pages(dma->map, dma->page_count);
dma->page_count = 0;
return -ENOMEM;
}
diff --git a/drivers/media/pci/ivtv/ivtvfb.c b/drivers/media/pci/ivtv/ivtvfb.c
index 0c2859844081..e2d56dca5be4 100644
--- a/drivers/media/pci/ivtv/ivtvfb.c
+++ b/drivers/media/pci/ivtv/ivtvfb.c
@@ -281,10 +281,10 @@ static int ivtvfb_prep_dec_dma_to_device(struct ivtv *itv,
/* Map User DMA */
if (ivtv_udma_setup(itv, ivtv_dest_addr, userbuf, size_in_bytes) <= 0) {
mutex_unlock(&itv->udma.lock);
- IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, Error with get_user_pages: %d bytes, %d pages returned\n",
+ IVTVFB_WARN("ivtvfb_prep_dec_dma_to_device, Error with pin_user_pages: %d bytes, %d pages returned\n",
size_in_bytes, itv->udma.page_count);
- /* get_user_pages must have failed completely */
+ /* pin_user_pages must have failed completely */
return -EIO;
}
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index 0f3417d161b8..5bb144435c16 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -103,12 +103,14 @@ lirc_mode2_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_map_peek_elem_proto;
case BPF_FUNC_ktime_get_ns:
return &bpf_ktime_get_ns_proto;
+ case BPF_FUNC_ktime_get_boot_ns:
+ return &bpf_ktime_get_boot_ns_proto;
case BPF_FUNC_tail_call:
return &bpf_tail_call_proto;
case BPF_FUNC_get_prandom_u32:
return &bpf_get_prandom_u32_proto;
case BPF_FUNC_trace_printk:
- if (capable(CAP_SYS_ADMIN))
+ if (perfmon_capable())
return bpf_get_trace_printk_proto();
/* fall through */
default:
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c
index 6cd52e1ef5e4..a4c3c77c1894 100644
--- a/drivers/media/v4l2-core/v4l2-fwnode.c
+++ b/drivers/media/v4l2-core/v4l2-fwnode.c
@@ -1022,7 +1022,7 @@ static int v4l2_fwnode_reference_parse(struct device *dev,
*
* THIS EXAMPLE EXISTS MERELY TO DOCUMENT THIS FUNCTION. DO NOT USE IT AS A
* REFERENCE IN HOW ACPI TABLES SHOULD BE WRITTEN!! See documentation under
- * Documentation/acpi/dsd instead and especially graph.txt,
+ * Documentation/firmware-guide/acpi/dsd/ instead and especially graph.txt,
* data-node-references.txt and leds.txt .
*
* Scope (\_SB.PCI0.I2C2)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 0a59249198d3..687e9c848053 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -407,6 +407,21 @@ config MFD_EXYNOS_LPASS
Select this option to enable support for Samsung Exynos Low Power
Audio Subsystem.
+config MFD_GATEWORKS_GSC
+ tristate "Gateworks System Controller"
+ depends on (I2C && OF)
+ select MFD_CORE
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ help
+ Enable support for the Gateworks System Controller (GSC) found
+ on Gateworks Single Board Computers supporting system functions
+ such as push-button monitor, multiple ADC's for voltage and
+ temperature monitoring, fan controller and watchdog monitor.
+ This driver provides common support for accessing the device.
+ Additional drivers must be enabled in order to use the
+ functionality of the device.
+
config MFD_MC13XXX
tristate
depends on (SPI_MASTER || I2C)
@@ -551,7 +566,7 @@ config INTEL_SOC_PMIC
config INTEL_SOC_PMIC_BXTWC
tristate "Support for Intel Broxton Whiskey Cove PMIC"
- depends on INTEL_PMC_IPC
+ depends on MFD_INTEL_PMC_BXT
select MFD_CORE
select REGMAP_IRQ
help
@@ -593,7 +608,7 @@ config INTEL_SOC_PMIC_MRFLD
tristate "Support for Intel Merrifield Basin Cove PMIC"
depends on GPIOLIB
depends on ACPI
- depends on INTEL_SCU_IPC
+ depends on INTEL_SCU
select MFD_CORE
select REGMAP_IRQ
help
@@ -625,13 +640,27 @@ config MFD_INTEL_LPSS_PCI
config MFD_INTEL_MSIC
bool "Intel MSIC"
- depends on INTEL_SCU_IPC
+ depends on INTEL_SCU
select MFD_CORE
help
Select this option to enable access to Intel MSIC (Avatele
Passage) chip. This chip embeds audio, battery, GPIO, etc.
devices used in Intel Medfield platforms.
+config MFD_INTEL_PMC_BXT
+ tristate "Intel PMC Driver for Broxton"
+ depends on X86
+ depends on X86_PLATFORM_DEVICES
+ depends on ACPI
+ select INTEL_SCU_IPC
+ select MFD_CORE
+ help
+ This driver provides support for the PMC (Power Management
+ Controller) on Intel Broxton and Apollo Lake. The PMC is a
+ multi-function device that exposes IPC, General Control
+ Register and P-unit access. In addition this creates devices
+ for iTCO watchdog and telemetry that are part of the PMC.
+
config MFD_IPAQ_MICRO
bool "Atmel Micro ASIC (iPAQ h3100/h3600/h3700) Support"
depends on SA1100_H3100 || SA1100_H3600
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f935d10cbf0f..bea2be419822 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_MFD_BCM590XX) += bcm590xx.o
obj-$(CONFIG_MFD_BD9571MWV) += bd9571mwv.o
obj-$(CONFIG_MFD_CROS_EC_DEV) += cros_ec_dev.o
obj-$(CONFIG_MFD_EXYNOS_LPASS) += exynos-lpass.o
+obj-$(CONFIG_MFD_GATEWORKS_GSC) += gateworks-gsc.o
obj-$(CONFIG_HTC_PASIC3) += htc-pasic3.o
obj-$(CONFIG_HTC_I2CPLD) += htc-i2cpld.o
@@ -212,6 +213,7 @@ obj-$(CONFIG_MFD_INTEL_LPSS) += intel-lpss.o
obj-$(CONFIG_MFD_INTEL_LPSS_PCI) += intel-lpss-pci.o
obj-$(CONFIG_MFD_INTEL_LPSS_ACPI) += intel-lpss-acpi.o
obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o
+obj-$(CONFIG_MFD_INTEL_PMC_BXT) += intel_pmc_bxt.o
obj-$(CONFIG_MFD_PALMAS) += palmas.o
obj-$(CONFIG_MFD_VIPERBOARD) += viperboard.o
obj-$(CONFIG_MFD_RC5T583) += rc5t583.o rc5t583-irq.o
diff --git a/drivers/mfd/gateworks-gsc.c b/drivers/mfd/gateworks-gsc.c
new file mode 100644
index 000000000000..576da62fbb0c
--- /dev/null
+++ b/drivers/mfd/gateworks-gsc.c
@@ -0,0 +1,277 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * The Gateworks System Controller (GSC) is a multi-function
+ * device designed for use in Gateworks Single Board Computers.
+ * The control interface is I2C, with an interrupt. The device supports
+ * system functions such as push-button monitoring, multiple ADC's for
+ * voltage and temperature monitoring, fan controller and watchdog monitor.
+ *
+ * Copyright (C) 2020 Gateworks Corporation
+ */
+
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/gsc.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#include <asm/unaligned.h>
+
+/*
+ * The GSC suffers from an errata where occasionally during
+ * ADC cycles the chip can NAK I2C transactions. To ensure we have reliable
+ * register access we place retries around register access.
+ */
+#define I2C_RETRIES 3
+
+int gsc_write(void *context, unsigned int reg, unsigned int val)
+{
+ struct i2c_client *client = context;
+ int retry, ret;
+
+ for (retry = 0; retry < I2C_RETRIES; retry++) {
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+ /*
+ * -EAGAIN returned when the i2c host controller is busy
+ * -EIO returned when i2c device is busy
+ */
+ if (ret != -EAGAIN && ret != -EIO)
+ break;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(gsc_write);
+
+int gsc_read(void *context, unsigned int reg, unsigned int *val)
+{
+ struct i2c_client *client = context;
+ int retry, ret;
+
+ for (retry = 0; retry < I2C_RETRIES; retry++) {
+ ret = i2c_smbus_read_byte_data(client, reg);
+ /*
+ * -EAGAIN returned when the i2c host controller is busy
+ * -EIO returned when i2c device is busy
+ */
+ if (ret != -EAGAIN && ret != -EIO)
+ break;
+ }
+ *val = ret & 0xff;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(gsc_read);
+
+/*
+ * gsc_powerdown - API to use GSC to power down board for a specific time
+ *
+ * secs - number of seconds to remain powered off
+ */
+static int gsc_powerdown(struct gsc_dev *gsc, unsigned long secs)
+{
+ int ret;
+ unsigned char regs[4];
+
+ dev_info(&gsc->i2c->dev, "GSC powerdown for %ld seconds\n",
+ secs);
+
+ put_unaligned_le32(secs, regs);
+ ret = regmap_bulk_write(gsc->regmap, GSC_TIME_ADD, regs, 4);
+ if (ret)
+ return ret;
+
+ ret = regmap_update_bits(gsc->regmap, GSC_CTRL_1,
+ BIT(GSC_CTRL_1_SLEEP_ADD),
+ BIT(GSC_CTRL_1_SLEEP_ADD));
+ if (ret)
+ return ret;
+
+ ret = regmap_update_bits(gsc->regmap, GSC_CTRL_1,
+ BIT(GSC_CTRL_1_SLEEP_ACTIVATE) |
+ BIT(GSC_CTRL_1_SLEEP_ENABLE),
+ BIT(GSC_CTRL_1_SLEEP_ACTIVATE) |
+ BIT(GSC_CTRL_1_SLEEP_ENABLE));
+
+
+ return ret;
+}
+
+static ssize_t gsc_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct gsc_dev *gsc = dev_get_drvdata(dev);
+ const char *name = attr->attr.name;
+ int rz = 0;
+
+ if (strcasecmp(name, "fw_version") == 0)
+ rz = sprintf(buf, "%d\n", gsc->fwver);
+ else if (strcasecmp(name, "fw_crc") == 0)
+ rz = sprintf(buf, "0x%04x\n", gsc->fwcrc);
+ else
+ dev_err(dev, "invalid command: '%s'\n", name);
+
+ return rz;
+}
+
+static ssize_t gsc_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct gsc_dev *gsc = dev_get_drvdata(dev);
+ const char *name = attr->attr.name;
+ long value;
+
+ if (strcasecmp(name, "powerdown") == 0) {
+ if (kstrtol(buf, 0, &value) == 0)
+ gsc_powerdown(gsc, value);
+ } else {
+ dev_err(dev, "invalid command: '%s\n", name);
+ }
+
+ return count;
+}
+
+static struct device_attribute attr_fwver =
+ __ATTR(fw_version, 0440, gsc_show, NULL);
+static struct device_attribute attr_fwcrc =
+ __ATTR(fw_crc, 0440, gsc_show, NULL);
+static struct device_attribute attr_pwrdown =
+ __ATTR(powerdown, 0220, NULL, gsc_store);
+
+static struct attribute *gsc_attrs[] = {
+ &attr_fwver.attr,
+ &attr_fwcrc.attr,
+ &attr_pwrdown.attr,
+ NULL,
+};
+
+static struct attribute_group attr_group = {
+ .attrs = gsc_attrs,
+};
+
+static const struct of_device_id gsc_of_match[] = {
+ { .compatible = "gw,gsc", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gsc_of_match);
+
+static struct regmap_bus gsc_regmap_bus = {
+ .reg_read = gsc_read,
+ .reg_write = gsc_write,
+};
+
+static const struct regmap_config gsc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .cache_type = REGCACHE_NONE,
+ .max_register = GSC_WP,
+};
+
+static const struct regmap_irq gsc_irqs[] = {
+ REGMAP_IRQ_REG(GSC_IRQ_PB, 0, BIT(GSC_IRQ_PB)),
+ REGMAP_IRQ_REG(GSC_IRQ_KEY_ERASED, 0, BIT(GSC_IRQ_KEY_ERASED)),
+ REGMAP_IRQ_REG(GSC_IRQ_EEPROM_WP, 0, BIT(GSC_IRQ_EEPROM_WP)),
+ REGMAP_IRQ_REG(GSC_IRQ_RESV, 0, BIT(GSC_IRQ_RESV)),
+ REGMAP_IRQ_REG(GSC_IRQ_GPIO, 0, BIT(GSC_IRQ_GPIO)),
+ REGMAP_IRQ_REG(GSC_IRQ_TAMPER, 0, BIT(GSC_IRQ_TAMPER)),
+ REGMAP_IRQ_REG(GSC_IRQ_WDT_TIMEOUT, 0, BIT(GSC_IRQ_WDT_TIMEOUT)),
+ REGMAP_IRQ_REG(GSC_IRQ_SWITCH_HOLD, 0, BIT(GSC_IRQ_SWITCH_HOLD)),
+};
+
+static const struct regmap_irq_chip gsc_irq_chip = {
+ .name = "gateworks-gsc",
+ .irqs = gsc_irqs,
+ .num_irqs = ARRAY_SIZE(gsc_irqs),
+ .num_regs = 1,
+ .status_base = GSC_IRQ_STATUS,
+ .mask_base = GSC_IRQ_ENABLE,
+ .mask_invert = true,
+ .ack_base = GSC_IRQ_STATUS,
+ .ack_invert = true,
+};
+
+static int gsc_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct gsc_dev *gsc;
+ struct regmap_irq_chip_data *irq_data;
+ int ret;
+ unsigned int reg;
+
+ gsc = devm_kzalloc(dev, sizeof(*gsc), GFP_KERNEL);
+ if (!gsc)
+ return -ENOMEM;
+
+ gsc->dev = &client->dev;
+ gsc->i2c = client;
+ i2c_set_clientdata(client, gsc);
+
+ gsc->regmap = devm_regmap_init(dev, &gsc_regmap_bus, client,
+ &gsc_regmap_config);
+ if (IS_ERR(gsc->regmap))
+ return PTR_ERR(gsc->regmap);
+
+ if (regmap_read(gsc->regmap, GSC_FW_VER, &reg))
+ return -EIO;
+ gsc->fwver = reg;
+
+ regmap_read(gsc->regmap, GSC_FW_CRC, &reg);
+ gsc->fwcrc = reg;
+ regmap_read(gsc->regmap, GSC_FW_CRC + 1, &reg);
+ gsc->fwcrc |= reg << 8;
+
+ gsc->i2c_hwmon = devm_i2c_new_dummy_device(dev, client->adapter,
+ GSC_HWMON);
+ if (IS_ERR(gsc->i2c_hwmon)) {
+ dev_err(dev, "Failed to allocate I2C device for HWMON\n");
+ return PTR_ERR(gsc->i2c_hwmon);
+ }
+
+ ret = devm_regmap_add_irq_chip(dev, gsc->regmap, client->irq,
+ IRQF_ONESHOT | IRQF_SHARED |
+ IRQF_TRIGGER_FALLING, 0,
+ &gsc_irq_chip, &irq_data);
+ if (ret)
+ return ret;
+
+ dev_info(dev, "Gateworks System Controller v%d: fw 0x%04x\n",
+ gsc->fwver, gsc->fwcrc);
+
+ ret = sysfs_create_group(&dev->kobj, &attr_group);
+ if (ret)
+ dev_err(dev, "failed to create sysfs attrs\n");
+
+ ret = devm_of_platform_populate(dev);
+ if (ret) {
+ sysfs_remove_group(&dev->kobj, &attr_group);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int gsc_remove(struct i2c_client *client)
+{
+ sysfs_remove_group(&client->dev.kobj, &attr_group);
+
+ return 0;
+}
+
+static struct i2c_driver gsc_driver = {
+ .driver = {
+ .name = "gateworks-gsc",
+ .of_match_table = gsc_of_match,
+ },
+ .probe_new = gsc_probe,
+ .remove = gsc_remove,
+};
+module_i2c_driver(gsc_driver);
+
+MODULE_AUTHOR("Tim Harvey <tharvey@gateworks.com>");
+MODULE_DESCRIPTION("I2C Core interface for GSC");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/intel_pmc_bxt.c b/drivers/mfd/intel_pmc_bxt.c
new file mode 100644
index 000000000000..9f01d38acc7f
--- /dev/null
+++ b/drivers/mfd/intel_pmc_bxt.c
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Driver for the Intel Broxton PMC
+ *
+ * (C) Copyright 2014 - 2020 Intel Corporation
+ *
+ * This driver is based on Intel SCU IPC driver (intel_scu_ipc.c) by
+ * Sreedhara DS <sreedhara.ds@intel.com>
+ *
+ * The PMC (Power Management Controller) running on the ARC processor
+ * communicates with another entity running in the IA (Intel Architecture)
+ * core through an IPC (Intel Processor Communications) mechanism which in
+ * turn sends messages between the IA and the PMC.
+ */
+
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/intel_pmc_bxt.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/itco_wdt.h>
+
+#include <asm/intel_scu_ipc.h>
+
+/* Residency with clock rate at 19.2MHz to usecs */
+#define S0IX_RESIDENCY_IN_USECS(d, s) \
+({ \
+ u64 result = 10ull * ((d) + (s)); \
+ do_div(result, 192); \
+ result; \
+})
+
+/* Resources exported from IFWI */
+#define PLAT_RESOURCE_IPC_INDEX 0
+#define PLAT_RESOURCE_IPC_SIZE 0x1000
+#define PLAT_RESOURCE_GCR_OFFSET 0x1000
+#define PLAT_RESOURCE_GCR_SIZE 0x1000
+#define PLAT_RESOURCE_BIOS_DATA_INDEX 1
+#define PLAT_RESOURCE_BIOS_IFACE_INDEX 2
+#define PLAT_RESOURCE_TELEM_SSRAM_INDEX 3
+#define PLAT_RESOURCE_ISP_DATA_INDEX 4
+#define PLAT_RESOURCE_ISP_IFACE_INDEX 5
+#define PLAT_RESOURCE_GTD_DATA_INDEX 6
+#define PLAT_RESOURCE_GTD_IFACE_INDEX 7
+#define PLAT_RESOURCE_ACPI_IO_INDEX 0
+
+/*
+ * BIOS does not create an ACPI device for each PMC function, but
+ * exports multiple resources from one ACPI device (IPC) for multiple
+ * functions. This driver is responsible for creating a child device and
+ * to export resources for those functions.
+ */
+#define SMI_EN_OFFSET 0x0040
+#define SMI_EN_SIZE 4
+#define TCO_BASE_OFFSET 0x0060
+#define TCO_REGS_SIZE 16
+#define TELEM_SSRAM_SIZE 240
+#define TELEM_PMC_SSRAM_OFFSET 0x1b00
+#define TELEM_PUNIT_SSRAM_OFFSET 0x1a00
+
+/* Commands */
+#define PMC_NORTHPEAK_CTRL 0xed
+
+static inline bool is_gcr_valid(u32 offset)
+{
+ return offset < PLAT_RESOURCE_GCR_SIZE - 8;
+}
+
+/**
+ * intel_pmc_gcr_read64() - Read a 64-bit PMC GCR register
+ * @pmc: PMC device pointer
+ * @offset: offset of GCR register from GCR address base
+ * @data: data pointer for storing the register output
+ *
+ * Reads the 64-bit PMC GCR register at given offset.
+ *
+ * Return: Negative value on error or 0 on success.
+ */
+int intel_pmc_gcr_read64(struct intel_pmc_dev *pmc, u32 offset, u64 *data)
+{
+ if (!is_gcr_valid(offset))
+ return -EINVAL;
+
+ spin_lock(&pmc->gcr_lock);
+ *data = readq(pmc->gcr_mem_base + offset);
+ spin_unlock(&pmc->gcr_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(intel_pmc_gcr_read64);
+
+/**
+ * intel_pmc_gcr_update() - Update PMC GCR register bits
+ * @pmc: PMC device pointer
+ * @offset: offset of GCR register from GCR address base
+ * @mask: bit mask for update operation
+ * @val: update value
+ *
+ * Updates the bits of given GCR register as specified by
+ * @mask and @val.
+ *
+ * Return: Negative value on error or 0 on success.
+ */
+int intel_pmc_gcr_update(struct intel_pmc_dev *pmc, u32 offset, u32 mask, u32 val)
+{
+ u32 new_val;
+
+ if (!is_gcr_valid(offset))
+ return -EINVAL;
+
+ spin_lock(&pmc->gcr_lock);
+ new_val = readl(pmc->gcr_mem_base + offset);
+
+ new_val = (new_val & ~mask) | (val & mask);
+ writel(new_val, pmc->gcr_mem_base + offset);
+
+ new_val = readl(pmc->gcr_mem_base + offset);
+ spin_unlock(&pmc->gcr_lock);
+
+ /* Check whether the bit update is successful */
+ return (new_val & mask) != (val & mask) ? -EIO : 0;
+}
+EXPORT_SYMBOL_GPL(intel_pmc_gcr_update);
+
+/**
+ * intel_pmc_s0ix_counter_read() - Read S0ix residency
+ * @pmc: PMC device pointer
+ * @data: Out param that contains current S0ix residency count.
+ *
+ * Writes to @data how many usecs the system has been in low-power S0ix
+ * state.
+ *
+ * Return: An error code or 0 on success.
+ */
+int intel_pmc_s0ix_counter_read(struct intel_pmc_dev *pmc, u64 *data)
+{
+ u64 deep, shlw;
+
+ spin_lock(&pmc->gcr_lock);
+ deep = readq(pmc->gcr_mem_base + PMC_GCR_TELEM_DEEP_S0IX_REG);
+ shlw = readq(pmc->gcr_mem_base + PMC_GCR_TELEM_SHLW_S0IX_REG);
+ spin_unlock(&pmc->gcr_lock);
+
+ *data = S0IX_RESIDENCY_IN_USECS(deep, shlw);
+ return 0;
+}
+EXPORT_SYMBOL_GPL(intel_pmc_s0ix_counter_read);
+
+/**
+ * simplecmd_store() - Send a simple IPC command
+ * @dev: Device under the attribute is
+ * @attr: Attribute in question
+ * @buf: Buffer holding data to be stored to the attribute
+ * @count: Number of bytes in @buf
+ *
+ * Expects a string with two integers separated with space. These two
+ * values hold command and subcommand that is send to PMC.
+ *
+ * Return: Number number of bytes written (@count) or negative errno in
+ * case of error.
+ */
+static ssize_t simplecmd_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct intel_pmc_dev *pmc = dev_get_drvdata(dev);
+ struct intel_scu_ipc_dev *scu = pmc->scu;
+ int subcmd;
+ int cmd;
+ int ret;
+
+ ret = sscanf(buf, "%d %d", &cmd, &subcmd);
+ if (ret != 2) {
+ dev_err(dev, "Invalid values, expected: cmd subcmd\n");
+ return -EINVAL;
+ }
+
+ ret = intel_scu_ipc_dev_simple_command(scu, cmd, subcmd);
+ if (ret)
+ return ret;
+
+ return count;
+}
+static DEVICE_ATTR_WO(simplecmd);
+
+/**
+ * northpeak_store() - Enable or disable Northpeak
+ * @dev: Device under the attribute is
+ * @attr: Attribute in question
+ * @buf: Buffer holding data to be stored to the attribute
+ * @count: Number of bytes in @buf
+ *
+ * Expects an unsigned integer. Non-zero enables Northpeak and zero
+ * disables it.
+ *
+ * Return: Number number of bytes written (@count) or negative errno in
+ * case of error.
+ */
+static ssize_t northpeak_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct intel_pmc_dev *pmc = dev_get_drvdata(dev);
+ struct intel_scu_ipc_dev *scu = pmc->scu;
+ unsigned long val;
+ int subcmd;
+ int ret;
+
+ ret = kstrtoul(buf, 0, &val);
+ if (ret)
+ return ret;
+
+ /* Northpeak is enabled if subcmd == 1 and disabled if it is 0 */
+ if (val)
+ subcmd = 1;
+ else
+ subcmd = 0;
+
+ ret = intel_scu_ipc_dev_simple_command(scu, PMC_NORTHPEAK_CTRL, subcmd);
+ if (ret)
+ return ret;
+
+ return count;
+}
+static DEVICE_ATTR_WO(northpeak);
+
+static struct attribute *intel_pmc_attrs[] = {
+ &dev_attr_northpeak.attr,
+ &dev_attr_simplecmd.attr,
+ NULL
+};
+
+static const struct attribute_group intel_pmc_group = {
+ .attrs = intel_pmc_attrs,
+};
+
+static const struct attribute_group *intel_pmc_groups[] = {
+ &intel_pmc_group,
+ NULL
+};
+
+static struct resource punit_res[6];
+
+static struct mfd_cell punit = {
+ .name = "intel_punit_ipc",
+ .resources = punit_res,
+};
+
+static struct itco_wdt_platform_data tco_pdata = {
+ .name = "Apollo Lake SoC",
+ .version = 5,
+ .no_reboot_use_pmc = true,
+};
+
+static struct resource tco_res[2];
+
+static const struct mfd_cell tco = {
+ .name = "iTCO_wdt",
+ .ignore_resource_conflicts = true,
+ .resources = tco_res,
+ .num_resources = ARRAY_SIZE(tco_res),
+ .platform_data = &tco_pdata,
+ .pdata_size = sizeof(tco_pdata),
+};
+
+static const struct resource telem_res[] = {
+ DEFINE_RES_MEM(TELEM_PUNIT_SSRAM_OFFSET, TELEM_SSRAM_SIZE),
+ DEFINE_RES_MEM(TELEM_PMC_SSRAM_OFFSET, TELEM_SSRAM_SIZE),
+};
+
+static const struct mfd_cell telem = {
+ .name = "intel_telemetry",
+ .resources = telem_res,
+ .num_resources = ARRAY_SIZE(telem_res),
+};
+
+static int intel_pmc_get_tco_resources(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ if (acpi_has_watchdog())
+ return 0;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO,
+ PLAT_RESOURCE_ACPI_IO_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get IO resource\n");
+ return -EINVAL;
+ }
+
+ tco_res[0].flags = IORESOURCE_IO;
+ tco_res[0].start = res->start + TCO_BASE_OFFSET;
+ tco_res[0].end = tco_res[0].start + TCO_REGS_SIZE - 1;
+ tco_res[1].flags = IORESOURCE_IO;
+ tco_res[1].start = res->start + SMI_EN_OFFSET;
+ tco_res[1].end = tco_res[1].start + SMI_EN_SIZE - 1;
+
+ return 0;
+}
+
+static int intel_pmc_get_resources(struct platform_device *pdev,
+ struct intel_pmc_dev *pmc,
+ struct intel_scu_ipc_data *scu_data)
+{
+ struct resource gcr_res;
+ size_t npunit_res = 0;
+ struct resource *res;
+ int ret;
+
+ scu_data->irq = platform_get_irq_optional(pdev, 0);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_IPC_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get IPC resource\n");
+ return -EINVAL;
+ }
+
+ /* IPC registers */
+ scu_data->mem.flags = res->flags;
+ scu_data->mem.start = res->start;
+ scu_data->mem.end = res->start + PLAT_RESOURCE_IPC_SIZE - 1;
+
+ /* GCR registers */
+ gcr_res.flags = res->flags;
+ gcr_res.start = res->start + PLAT_RESOURCE_GCR_OFFSET;
+ gcr_res.end = gcr_res.start + PLAT_RESOURCE_GCR_SIZE - 1;
+
+ pmc->gcr_mem_base = devm_ioremap_resource(&pdev->dev, &gcr_res);
+ if (IS_ERR(pmc->gcr_mem_base))
+ return PTR_ERR(pmc->gcr_mem_base);
+
+ /* Only register iTCO watchdog if there is no WDAT ACPI table */
+ ret = intel_pmc_get_tco_resources(pdev);
+ if (ret)
+ return ret;
+
+ /* BIOS data register */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_BIOS_DATA_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get resource of P-unit BIOS data\n");
+ return -EINVAL;
+ }
+ punit_res[npunit_res++] = *res;
+
+ /* BIOS interface register */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_BIOS_IFACE_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get resource of P-unit BIOS interface\n");
+ return -EINVAL;
+ }
+ punit_res[npunit_res++] = *res;
+
+ /* ISP data register, optional */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_ISP_DATA_INDEX);
+ if (res)
+ punit_res[npunit_res++] = *res;
+
+ /* ISP interface register, optional */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_ISP_IFACE_INDEX);
+ if (res)
+ punit_res[npunit_res++] = *res;
+
+ /* GTD data register, optional */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_GTD_DATA_INDEX);
+ if (res)
+ punit_res[npunit_res++] = *res;
+
+ /* GTD interface register, optional */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_GTD_IFACE_INDEX);
+ if (res)
+ punit_res[npunit_res++] = *res;
+
+ punit.num_resources = npunit_res;
+
+ /* Telemetry SSRAM is optional */
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_TELEM_SSRAM_INDEX);
+ if (res)
+ pmc->telem_base = res;
+
+ return 0;
+}
+
+static int intel_pmc_create_devices(struct intel_pmc_dev *pmc)
+{
+ int ret;
+
+ if (!acpi_has_watchdog()) {
+ ret = devm_mfd_add_devices(pmc->dev, PLATFORM_DEVID_AUTO, &tco,
+ 1, NULL, 0, NULL);
+ if (ret)
+ return ret;
+ }
+
+ ret = devm_mfd_add_devices(pmc->dev, PLATFORM_DEVID_AUTO, &punit, 1,
+ NULL, 0, NULL);
+ if (ret)
+ return ret;
+
+ if (pmc->telem_base) {
+ ret = devm_mfd_add_devices(pmc->dev, PLATFORM_DEVID_AUTO,
+ &telem, 1, pmc->telem_base, 0, NULL);
+ }
+
+ return ret;
+}
+
+static const struct acpi_device_id intel_pmc_acpi_ids[] = {
+ { "INT34D2" },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, intel_pmc_acpi_ids);
+
+static int intel_pmc_probe(struct platform_device *pdev)
+{
+ struct intel_scu_ipc_data scu_data = {};
+ struct intel_pmc_dev *pmc;
+ int ret;
+
+ pmc = devm_kzalloc(&pdev->dev, sizeof(*pmc), GFP_KERNEL);
+ if (!pmc)
+ return -ENOMEM;
+
+ pmc->dev = &pdev->dev;
+ spin_lock_init(&pmc->gcr_lock);
+
+ ret = intel_pmc_get_resources(pdev, pmc, &scu_data);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to request resources\n");
+ return ret;
+ }
+
+ pmc->scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
+ if (IS_ERR(pmc->scu))
+ return PTR_ERR(pmc->scu);
+
+ platform_set_drvdata(pdev, pmc);
+
+ ret = intel_pmc_create_devices(pmc);
+ if (ret)
+ dev_err(&pdev->dev, "Failed to create PMC devices\n");
+
+ return ret;
+}
+
+static struct platform_driver intel_pmc_driver = {
+ .probe = intel_pmc_probe,
+ .driver = {
+ .name = "intel_pmc_bxt",
+ .acpi_match_table = intel_pmc_acpi_ids,
+ .dev_groups = intel_pmc_groups,
+ },
+};
+module_platform_driver(intel_pmc_driver);
+
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
+MODULE_AUTHOR("Zha Qipeng <qipeng.zha@intel.com>");
+MODULE_DESCRIPTION("Intel Broxton PMC driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/intel_soc_pmic_bxtwc.c b/drivers/mfd/intel_soc_pmic_bxtwc.c
index 739cfb5b69fe..eba89780dbe7 100644
--- a/drivers/mfd/intel_soc_pmic_bxtwc.c
+++ b/drivers/mfd/intel_soc_pmic_bxtwc.c
@@ -15,7 +15,7 @@
#include <linux/mfd/intel_soc_pmic_bxtwc.h>
#include <linux/module.h>
-#include <asm/intel_pmc_ipc.h>
+#include <asm/intel_scu_ipc.h>
/* PMIC device registers */
#define REG_ADDR_MASK 0xFF00
@@ -58,6 +58,10 @@
/* Whiskey Cove PMIC share same ACPI ID between different platforms */
#define BROXTON_PMIC_WC_HRV 4
+#define PMC_PMIC_ACCESS 0xFF
+#define PMC_PMIC_READ 0x0
+#define PMC_PMIC_WRITE 0x1
+
enum bxtwc_irqs {
BXTWC_PWRBTN_LVL1_IRQ = 0,
BXTWC_TMU_LVL1_IRQ,
@@ -288,13 +292,12 @@ static int regmap_ipc_byte_reg_read(void *context, unsigned int reg,
ipc_in[0] = reg;
ipc_in[1] = i2c_addr;
- ret = intel_pmc_ipc_command(PMC_IPC_PMIC_ACCESS,
- PMC_IPC_PMIC_ACCESS_READ,
- ipc_in, sizeof(ipc_in), (u32 *)ipc_out, 1);
- if (ret) {
- dev_err(pmic->dev, "Failed to read from PMIC\n");
+ ret = intel_scu_ipc_dev_command(pmic->scu, PMC_PMIC_ACCESS,
+ PMC_PMIC_READ, ipc_in, sizeof(ipc_in),
+ ipc_out, sizeof(ipc_out));
+ if (ret)
return ret;
- }
+
*val = ipc_out[0];
return 0;
@@ -303,7 +306,6 @@ static int regmap_ipc_byte_reg_read(void *context, unsigned int reg,
static int regmap_ipc_byte_reg_write(void *context, unsigned int reg,
unsigned int val)
{
- int ret;
int i2c_addr;
u8 ipc_in[3];
struct intel_soc_pmic *pmic = context;
@@ -321,15 +323,9 @@ static int regmap_ipc_byte_reg_write(void *context, unsigned int reg,
ipc_in[0] = reg;
ipc_in[1] = i2c_addr;
ipc_in[2] = val;
- ret = intel_pmc_ipc_command(PMC_IPC_PMIC_ACCESS,
- PMC_IPC_PMIC_ACCESS_WRITE,
- ipc_in, sizeof(ipc_in), NULL, 0);
- if (ret) {
- dev_err(pmic->dev, "Failed to write to PMIC\n");
- return ret;
- }
-
- return 0;
+ return intel_scu_ipc_dev_command(pmic->scu, PMC_PMIC_ACCESS,
+ PMC_PMIC_WRITE, ipc_in, sizeof(ipc_in),
+ NULL, 0);
}
/* sysfs interfaces to r/w PMIC registers, required by initial script */
@@ -457,6 +453,10 @@ static int bxtwc_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, pmic);
pmic->dev = &pdev->dev;
+ pmic->scu = devm_intel_scu_ipc_dev_get(&pdev->dev);
+ if (!pmic->scu)
+ return -EPROBE_DEFER;
+
pmic->regmap = devm_regmap_init(&pdev->dev, NULL, pmic,
&bxtwc_regmap_config);
if (IS_ERR(pmic->regmap)) {
diff --git a/drivers/mfd/intel_soc_pmic_mrfld.c b/drivers/mfd/intel_soc_pmic_mrfld.c
index 26a1551c5faf..bd94c989d232 100644
--- a/drivers/mfd/intel_soc_pmic_mrfld.c
+++ b/drivers/mfd/intel_soc_pmic_mrfld.c
@@ -74,10 +74,11 @@ static const struct mfd_cell bcove_dev[] = {
static int bcove_ipc_byte_reg_read(void *context, unsigned int reg,
unsigned int *val)
{
+ struct intel_soc_pmic *pmic = context;
u8 ipc_out;
int ret;
- ret = intel_scu_ipc_ioread8(reg, &ipc_out);
+ ret = intel_scu_ipc_dev_ioread8(pmic->scu, reg, &ipc_out);
if (ret)
return ret;
@@ -88,10 +89,11 @@ static int bcove_ipc_byte_reg_read(void *context, unsigned int reg,
static int bcove_ipc_byte_reg_write(void *context, unsigned int reg,
unsigned int val)
{
+ struct intel_soc_pmic *pmic = context;
u8 ipc_in = val;
int ret;
- ret = intel_scu_ipc_iowrite8(reg, ipc_in);
+ ret = intel_scu_ipc_dev_iowrite8(pmic->scu, reg, ipc_in);
if (ret)
return ret;
@@ -117,6 +119,10 @@ static int bcove_probe(struct platform_device *pdev)
if (!pmic)
return -ENOMEM;
+ pmic->scu = devm_intel_scu_ipc_dev_get(dev);
+ if (!pmic->scu)
+ return -ENOMEM;
+
platform_set_drvdata(pdev, pmic);
pmic->dev = &pdev->dev;
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 06038b325b02..55da6428ceb0 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -142,6 +142,9 @@ static void rtsx_comm_pm_full_on(struct rtsx_pcr *pcr)
rtsx_disable_aspm(pcr);
+ /* Fixes DMA transfer timout issue after disabling ASPM on RTS5260 */
+ msleep(1);
+
if (option->ltr_enabled)
rtsx_set_ltr_latency(pcr, option->ltr_active_latency);
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 204d807e755b..b32c825a0945 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -266,6 +266,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid(dev, uuid);
__mei_me_cl_del(dev, me_cl);
+ mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem);
}
@@ -287,6 +288,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
down_write(&dev->me_clients_rwsem);
me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
__mei_me_cl_del(dev, me_cl);
+ mei_me_cl_put(me_cl);
up_write(&dev->me_clients_rwsem);
}
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 668418d7ea77..f620442addf5 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -1465,6 +1465,13 @@ static const struct mei_cfg mei_me_pch12_cfg = {
MEI_CFG_DMA_128,
};
+/* LBG with quirk for SPS Firmware exclusion */
+static const struct mei_cfg mei_me_pch12_sps_cfg = {
+ MEI_CFG_PCH8_HFS,
+ MEI_CFG_FW_VER_SUPP,
+ MEI_CFG_FW_SPS,
+};
+
/* Tiger Lake and newer devices */
static const struct mei_cfg mei_me_pch15_cfg = {
MEI_CFG_PCH8_HFS,
@@ -1487,6 +1494,7 @@ static const struct mei_cfg *const mei_cfg_list[] = {
[MEI_ME_PCH8_CFG] = &mei_me_pch8_cfg,
[MEI_ME_PCH8_SPS_CFG] = &mei_me_pch8_sps_cfg,
[MEI_ME_PCH12_CFG] = &mei_me_pch12_cfg,
+ [MEI_ME_PCH12_SPS_CFG] = &mei_me_pch12_sps_cfg,
[MEI_ME_PCH15_CFG] = &mei_me_pch15_cfg,
};
diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h
index 4a8d4dcd5a91..b6b94e211464 100644
--- a/drivers/misc/mei/hw-me.h
+++ b/drivers/misc/mei/hw-me.h
@@ -80,6 +80,9 @@ struct mei_me_hw {
* servers platforms with quirk for
* SPS firmware exclusion.
* @MEI_ME_PCH12_CFG: Platform Controller Hub Gen12 and newer
+ * @MEI_ME_PCH12_SPS_CFG: Platform Controller Hub Gen12 and newer
+ * servers platforms with quirk for
+ * SPS firmware exclusion.
* @MEI_ME_PCH15_CFG: Platform Controller Hub Gen15 and newer
* @MEI_ME_NUM_CFG: Upper Sentinel.
*/
@@ -93,6 +96,7 @@ enum mei_cfg_idx {
MEI_ME_PCH8_CFG,
MEI_ME_PCH8_SPS_CFG,
MEI_ME_PCH12_CFG,
+ MEI_ME_PCH12_SPS_CFG,
MEI_ME_PCH15_CFG,
MEI_ME_NUM_CFG,
};
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 3d21c38e2dbb..71f795b510ce 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -70,7 +70,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, MEI_ME_PCH8_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, MEI_ME_PCH8_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, MEI_ME_PCH8_SPS_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_LBG, MEI_ME_PCH12_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, MEI_ME_PCH8_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, MEI_ME_PCH8_CFG)},
@@ -203,11 +203,12 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
hw = to_me_hw(dev);
hw->mem_addr = pcim_iomap_table(pdev)[0];
- hw->irq = pdev->irq;
hw->read_fws = mei_me_read_fws;
pci_enable_msi(pdev);
+ hw->irq = pdev->irq;
+
/* request and enable interrupt */
irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;
@@ -240,7 +241,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* MEI requires to resume from runtime suspend mode
* in order to perform link reset flow upon system suspend.
*/
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
/*
* ME maps runtime suspend/resume to D0i states,
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index beacf2a2f2b5..4bf26ce61044 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -128,7 +128,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* MEI requires to resume from runtime suspend mode
* in order to perform link reset flow upon system suspend.
*/
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
/*
* TXE maps runtime suspend/resume to own power gating states,
diff --git a/drivers/misc/mic/Kconfig b/drivers/misc/mic/Kconfig
index 8f201d019f5a..3bfe72c59864 100644
--- a/drivers/misc/mic/Kconfig
+++ b/drivers/misc/mic/Kconfig
@@ -116,7 +116,7 @@ config MIC_COSM
config VOP
tristate "VOP Driver"
- depends on VOP_BUS
+ depends on VOP_BUS && VHOST_DPN
select VHOST_RING
select VIRTIO
help
diff --git a/drivers/misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c
index ce16d6b99295..2d8328d928d5 100644
--- a/drivers/misc/vmw_vmci/vmci_host.c
+++ b/drivers/misc/vmw_vmci/vmci_host.c
@@ -233,8 +233,6 @@ static int vmci_host_setup_notify(struct vmci_ctx *context,
* about the size.
*/
BUILD_BUG_ON(sizeof(bool) != sizeof(u8));
- if (!access_ok((void __user *)uva, sizeof(u8)))
- return VMCI_ERROR_GENERIC;
/*
* Lock physical page backing a given user VA.
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 8499b56a15a8..7896952de1ac 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1370,6 +1370,7 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req)
struct mmc_request *mrq = &mqrq->brq.mrq;
struct request_queue *q = req->q;
struct mmc_host *host = mq->card->host;
+ enum mmc_issue_type issue_type = mmc_issue_type(mq, req);
unsigned long flags;
bool put_card;
int err;
@@ -1399,7 +1400,7 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req)
spin_lock_irqsave(&mq->lock, flags);
- mq->in_flight[mmc_issue_type(mq, req)] -= 1;
+ mq->in_flight[issue_type] -= 1;
put_card = (mmc_tot_in_flight(mq) == 0);
@@ -2483,8 +2484,8 @@ static int mmc_rpmb_chrdev_release(struct inode *inode, struct file *filp)
struct mmc_rpmb_data *rpmb = container_of(inode->i_cdev,
struct mmc_rpmb_data, chrdev);
- put_device(&rpmb->dev);
mmc_blk_put(rpmb->md);
+ put_device(&rpmb->dev);
return 0;
}
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 74de3f2dda38..70207f11a654 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -93,6 +93,20 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
return retval;
}
+ if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
+ retval = add_uevent_var(env, "SDIO_ID=%04X:%04X",
+ card->cis.vendor, card->cis.device);
+ if (retval)
+ return retval;
+ }
+
+ /*
+ * SDIO (non-combo) cards are not handled by mmc_block driver and do not
+ * have accessible CID register which used by mmc_card_name() function.
+ */
+ if (card->type == MMC_TYPE_SDIO)
+ return 0;
+
retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
if (retval)
return retval;
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 4c5de6d37ac7..8d2b808e9b58 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1815,8 +1815,7 @@ int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr,
unsigned int rem, to = from + nr;
int err;
- if (!(card->host->caps & MMC_CAP_ERASE) ||
- !(card->csd.cmdclass & CCC_ERASE))
+ if (!(card->csd.cmdclass & CCC_ERASE))
return -EOPNOTSUPP;
if (!card->erase_size)
@@ -1872,8 +1871,7 @@ EXPORT_SYMBOL(mmc_erase);
int mmc_can_erase(struct mmc_card *card)
{
- if ((card->host->caps & MMC_CAP_ERASE) &&
- (card->csd.cmdclass & CCC_ERASE) && card->erase_size)
+ if (card->csd.cmdclass & CCC_ERASE && card->erase_size)
return 1;
return 0;
}
diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c
index 09e0c7659469..9ec84c86c46a 100644
--- a/drivers/mmc/core/debugfs.c
+++ b/drivers/mmc/core/debugfs.c
@@ -219,7 +219,7 @@ static int mmc_clock_opt_set(void *data, u64 val)
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set,
+DEFINE_DEBUGFS_ATTRIBUTE(mmc_clock_fops, mmc_clock_opt_get, mmc_clock_opt_set,
"%llu\n");
void mmc_add_host_debugfs(struct mmc_host *host)
@@ -232,8 +232,8 @@ void mmc_add_host_debugfs(struct mmc_host *host)
debugfs_create_file("ios", S_IRUSR, root, host, &mmc_ios_fops);
debugfs_create_x32("caps", S_IRUSR, root, &host->caps);
debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2);
- debugfs_create_file("clock", S_IRUSR | S_IWUSR, root, host,
- &mmc_clock_fops);
+ debugfs_create_file_unsafe("clock", S_IRUSR | S_IWUSR, root, host,
+ &mmc_clock_fops);
#ifdef CONFIG_FAIL_MMC_REQUEST
if (fail_request)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index de94fbe629bd..4203303f946a 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -647,6 +647,9 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
mmc_hostname(card->host),
card->ext_csd.cmdq_depth);
}
+ card->ext_csd.enhanced_rpmb_supported =
+ (card->ext_csd.rel_param &
+ EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR);
}
out:
return err;
@@ -786,6 +789,8 @@ MMC_DEV_ATTR(enhanced_area_offset, "%llu\n",
card->ext_csd.enhanced_area_offset);
MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size);
MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult);
+MMC_DEV_ATTR(enhanced_rpmb_supported, "%#x\n",
+ card->ext_csd.enhanced_rpmb_supported);
MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors);
MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
@@ -843,6 +848,7 @@ static struct attribute *mmc_std_attrs[] = {
&dev_attr_enhanced_area_offset.attr,
&dev_attr_enhanced_area_size.attr,
&dev_attr_raw_rpmb_size_mult.attr,
+ &dev_attr_enhanced_rpmb_supported.attr,
&dev_attr_rel_sectors.attr,
&dev_attr_ocr.attr,
&dev_attr_rca.attr,
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 5bd0ab8b236a..baa6314f69b4 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -878,7 +878,7 @@ static int mmc_send_hpi_cmd(struct mmc_card *card)
* Issued High Priority Interrupt, and check for card status
* until out-of prg-state.
*/
-int mmc_interrupt_hpi(struct mmc_card *card)
+static int mmc_interrupt_hpi(struct mmc_card *card)
{
int err;
u32 status;
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 25bee3daf9e2..4b1eb89b401d 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -107,11 +107,10 @@ static enum blk_eh_timer_return mmc_cqe_timed_out(struct request *req)
case MMC_ISSUE_DCMD:
if (host->cqe_ops->cqe_timeout(host, mrq, &recovery_needed)) {
if (recovery_needed)
- __mmc_cqe_recovery_notifier(mq);
+ mmc_cqe_recovery_notifier(mrq);
return BLK_EH_RESET_TIMER;
}
- /* No timeout (XXX: huh? comment doesn't make much sense) */
- blk_mq_complete_request(req);
+ /* The request has gone already */
return BLK_EH_DONE;
default:
/* Timeout is handled by mmc core */
@@ -127,18 +126,13 @@ static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req,
struct mmc_card *card = mq->card;
struct mmc_host *host = card->host;
unsigned long flags;
- int ret;
+ bool ignore_tout;
spin_lock_irqsave(&mq->lock, flags);
-
- if (mq->recovery_needed || !mq->use_cqe || host->hsq_enabled)
- ret = BLK_EH_RESET_TIMER;
- else
- ret = mmc_cqe_timed_out(req);
-
+ ignore_tout = mq->recovery_needed || !mq->use_cqe || host->hsq_enabled;
spin_unlock_irqrestore(&mq->lock, flags);
- return ret;
+ return ignore_tout ? BLK_EH_RESET_TIMER : mmc_cqe_timed_out(req);
}
static void mmc_mq_recovery_handler(struct work_struct *work)
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index 3dba15bccce2..472fa2fdcf13 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -139,7 +139,7 @@ static const struct mmc_fixup sdio_fixup_methods[] = {
SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,
add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),
- SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887WLAN,
+ SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_F0,
add_limit_rate_quirk, 150000000),
END_FIXUP
diff --git a/drivers/mmc/core/regulator.c b/drivers/mmc/core/regulator.c
index b6febbcf8978..96b1d15045d6 100644
--- a/drivers/mmc/core/regulator.c
+++ b/drivers/mmc/core/regulator.c
@@ -136,6 +136,8 @@ static int mmc_regulator_set_voltage_if_supported(struct regulator *regulator,
int min_uV, int target_uV,
int max_uV)
{
+ int current_uV;
+
/*
* Check if supported first to avoid errors since we may try several
* signal levels during power up and don't want to show errors.
@@ -143,6 +145,14 @@ static int mmc_regulator_set_voltage_if_supported(struct regulator *regulator,
if (!regulator_is_supported_voltage(regulator, min_uV, max_uV))
return -EINVAL;
+ /*
+ * The voltage is already set, no need to switch.
+ * Return 1 to indicate that no switch happened.
+ */
+ current_uV = regulator_get_voltage(regulator);
+ if (current_uV == target_uV)
+ return 1;
+
return regulator_set_voltage_triplet(regulator, min_uV, target_uV,
max_uV);
}
@@ -198,9 +208,10 @@ int mmc_regulator_set_vqmmc(struct mmc_host *mmc, struct mmc_ios *ios)
* voltage in two steps and try to stay close to vmmc
* with a 0.3V tolerance at first.
*/
- if (!mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,
- min_uV, volt, max_uV))
- return 0;
+ ret = mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,
+ min_uV, volt, max_uV);
+ if (ret >= 0)
+ return ret;
return mmc_regulator_set_voltage_if_supported(mmc->supply.vqmmc,
2700000, volt, 3600000);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 76c7add367d5..5a2210c25aa7 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -376,11 +376,11 @@ int mmc_sd_switch_hs(struct mmc_card *card)
if (!status)
return -ENOMEM;
- err = mmc_sd_switch(card, 1, 0, 1, status);
+ err = mmc_sd_switch(card, 1, 0, HIGH_SPEED_BUS_SPEED, status);
if (err)
goto out;
- if ((status[16] & 0xF) != 1) {
+ if ((status[16] & 0xF) != HIGH_SPEED_BUS_SPEED) {
pr_warn("%s: Problem switching card into high-speed mode!\n",
mmc_hostname(card->host));
err = 0;
@@ -707,7 +707,12 @@ static ssize_t mmc_dsr_show(struct device *dev,
static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL);
+MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
+MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
+
static struct attribute *sd_std_attrs[] = {
+ &dev_attr_vendor.attr,
+ &dev_attr_device.attr,
&dev_attr_cid.attr,
&dev_attr_csd.attr,
&dev_attr_scr.attr,
@@ -726,7 +731,26 @@ static struct attribute *sd_std_attrs[] = {
&dev_attr_dsr.attr,
NULL,
};
-ATTRIBUTE_GROUPS(sd_std);
+
+static umode_t sd_std_is_visible(struct kobject *kobj, struct attribute *attr,
+ int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct mmc_card *card = mmc_dev_to_card(dev);
+
+ /* CIS vendor and device ids are available only for Combo cards */
+ if ((attr == &dev_attr_vendor.attr || attr == &dev_attr_device.attr) &&
+ card->type != MMC_TYPE_SD_COMBO)
+ return 0;
+
+ return attr->mode;
+}
+
+static const struct attribute_group sd_std_group = {
+ .attrs = sd_std_attrs,
+ .is_visible = sd_std_is_visible,
+};
+__ATTRIBUTE_GROUPS(sd_std);
struct device_type sd_type = {
.groups = sd_std_groups,
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index ebb387aa5158..b65b26f76d71 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -27,6 +27,24 @@
#include "sdio_ops.h"
#include "sdio_cis.h"
+MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
+MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
+MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
+MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
+
+static struct attribute *sdio_std_attrs[] = {
+ &dev_attr_vendor.attr,
+ &dev_attr_device.attr,
+ &dev_attr_ocr.attr,
+ &dev_attr_rca.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(sdio_std);
+
+static struct device_type sdio_type = {
+ .groups = sdio_std_groups,
+};
+
static int sdio_read_fbr(struct sdio_func *func)
{
int ret;
@@ -543,13 +561,33 @@ out:
return err;
}
-static void mmc_sdio_resend_if_cond(struct mmc_host *host,
- struct mmc_card *card)
+static int mmc_sdio_pre_init(struct mmc_host *host, u32 ocr,
+ struct mmc_card *card)
{
+ if (card)
+ mmc_remove_card(card);
+
+ /*
+ * Reset the card by performing the same steps that are taken by
+ * mmc_rescan_try_freq() and mmc_attach_sdio() during a "normal" probe.
+ *
+ * sdio_reset() is technically not needed. Having just powered up the
+ * hardware, it should already be in reset state. However, some
+ * platforms (such as SD8686 on OLPC) do not instantly cut power,
+ * meaning that a reset is required when restoring power soon after
+ * powering off. It is harmless in other cases.
+ *
+ * The CMD5 reset (mmc_send_io_op_cond()), according to the SDIO spec,
+ * is not necessary for non-removable cards. However, it is required
+ * for OLPC SD8686 (which expects a [CMD5,5,3,7] init sequence), and
+ * harmless in other situations.
+ *
+ */
+
sdio_reset(host);
mmc_go_idle(host);
- mmc_send_if_cond(host, host->ocr_avail);
- mmc_remove_card(card);
+ mmc_send_if_cond(host, ocr);
+ return mmc_send_io_op_cond(host, 0, NULL);
}
/*
@@ -584,7 +622,7 @@ try_again:
*/
err = mmc_send_io_op_cond(host, ocr, &rocr);
if (err)
- goto err;
+ return err;
/*
* For SPI, enable CRC as appropriate.
@@ -592,17 +630,15 @@ try_again:
if (mmc_host_is_spi(host)) {
err = mmc_spi_set_crc(host, use_spi_crc);
if (err)
- goto err;
+ return err;
}
/*
* Allocate card structure.
*/
- card = mmc_alloc_card(host, NULL);
- if (IS_ERR(card)) {
- err = PTR_ERR(card);
- goto err;
- }
+ card = mmc_alloc_card(host, &sdio_type);
+ if (IS_ERR(card))
+ return PTR_ERR(card);
if ((rocr & R4_MEMORY_PRESENT) &&
mmc_sd_get_cid(host, ocr & rocr, card->raw_cid, NULL) == 0) {
@@ -610,19 +646,15 @@ try_again:
if (oldcard && (oldcard->type != MMC_TYPE_SD_COMBO ||
memcmp(card->raw_cid, oldcard->raw_cid, sizeof(card->raw_cid)) != 0)) {
- mmc_remove_card(card);
- pr_debug("%s: Perhaps the card was replaced\n",
- mmc_hostname(host));
- return -ENOENT;
+ err = -ENOENT;
+ goto mismatch;
}
} else {
card->type = MMC_TYPE_SDIO;
if (oldcard && oldcard->type != MMC_TYPE_SDIO) {
- mmc_remove_card(card);
- pr_debug("%s: Perhaps the card was replaced\n",
- mmc_hostname(host));
- return -ENOENT;
+ err = -ENOENT;
+ goto mismatch;
}
}
@@ -646,7 +678,7 @@ try_again:
if (rocr & ocr & R4_18V_PRESENT) {
err = mmc_set_uhs_voltage(host, ocr_card);
if (err == -EAGAIN) {
- mmc_sdio_resend_if_cond(host, card);
+ mmc_sdio_pre_init(host, ocr_card, card);
retries--;
goto try_again;
} else if (err) {
@@ -677,7 +709,7 @@ try_again:
if (!oldcard && card->type == MMC_TYPE_SD_COMBO) {
err = mmc_sd_get_csd(host, card);
if (err)
- return err;
+ goto remove;
mmc_decode_cid(card);
}
@@ -704,7 +736,12 @@ try_again:
mmc_set_timing(card->host, MMC_TIMING_SD_HS);
}
- goto finish;
+ if (oldcard)
+ mmc_remove_card(card);
+ else
+ host->card = card;
+
+ return 0;
}
/*
@@ -713,14 +750,13 @@ try_again:
*/
err = sdio_read_cccr(card, ocr);
if (err) {
- mmc_sdio_resend_if_cond(host, card);
+ mmc_sdio_pre_init(host, ocr_card, card);
if (ocr & R4_18V_PRESENT) {
/* Retry init sequence, but without R4_18V_PRESENT. */
retries = 0;
goto try_again;
- } else {
- goto remove;
}
+ return err;
}
/*
@@ -731,16 +767,14 @@ try_again:
goto remove;
if (oldcard) {
- int same = (card->cis.vendor == oldcard->cis.vendor &&
- card->cis.device == oldcard->cis.device);
- mmc_remove_card(card);
- if (!same) {
- pr_debug("%s: Perhaps the card was replaced\n",
- mmc_hostname(host));
- return -ENOENT;
+ if (card->cis.vendor == oldcard->cis.vendor &&
+ card->cis.device == oldcard->cis.device) {
+ mmc_remove_card(card);
+ card = oldcard;
+ } else {
+ err = -ENOENT;
+ goto mismatch;
}
-
- card = oldcard;
}
card->ocr = ocr_card;
mmc_fixup_device(card, sdio_fixup_methods);
@@ -801,16 +835,15 @@ try_again:
err = -EINVAL;
goto remove;
}
-finish:
- if (!oldcard)
- host->card = card;
+
+ host->card = card;
return 0;
+mismatch:
+ pr_debug("%s: Perhaps the card was replaced\n", mmc_hostname(host));
remove:
- if (!oldcard)
+ if (oldcard != card)
mmc_remove_card(card);
-
-err:
return err;
}
@@ -818,28 +851,7 @@ static int mmc_sdio_reinit_card(struct mmc_host *host)
{
int ret;
- /*
- * Reset the card by performing the same steps that are taken by
- * mmc_rescan_try_freq() and mmc_attach_sdio() during a "normal" probe.
- *
- * sdio_reset() is technically not needed. Having just powered up the
- * hardware, it should already be in reset state. However, some
- * platforms (such as SD8686 on OLPC) do not instantly cut power,
- * meaning that a reset is required when restoring power soon after
- * powering off. It is harmless in other cases.
- *
- * The CMD5 reset (mmc_send_io_op_cond()), according to the SDIO spec,
- * is not necessary for non-removable cards. However, it is required
- * for OLPC SD8686 (which expects a [CMD5,5,3,7] init sequence), and
- * harmless in other situations.
- *
- */
-
- sdio_reset(host);
- mmc_go_idle(host);
- mmc_send_if_cond(host, host->card->ocr);
-
- ret = mmc_send_io_op_cond(host, 0, NULL);
+ ret = mmc_sdio_pre_init(host, host->card->ocr, NULL);
if (ret)
return ret;
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 462b5352fea7..0ce332ad986b 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -171,7 +171,7 @@ config MMC_SDHCI_OF_ASPEED
config MMC_SDHCI_OF_AT91
tristate "SDHCI OF support for the Atmel SDMMC controller"
depends on MMC_SDHCI_PLTFM
- depends on OF
+ depends on OF && HAVE_CLK
help
This selects the Atmel SDMMC driver
@@ -235,6 +235,19 @@ config MMC_SDHCI_CNS3XXX
If unsure, say N.
+config MMC_SDHCI_ESDHC_MCF
+ tristate "SDHCI support for the Freescale eSDHC ColdFire controller"
+ depends on M5441x
+ depends on MMC_SDHCI_PLTFM
+ select MMC_SDHCI_IO_ACCESSORS
+ help
+ This selects the Freescale eSDHC controller support for
+ ColdFire mcf5441x devices.
+
+ If you have a controller with this interface, say Y or M here.
+
+ If unsure, say N.
+
config MMC_SDHCI_ESDHC_IMX
tristate "SDHCI support for the Freescale eSDHC/uSDHC i.MX controller"
depends on ARCH_MXC
@@ -405,6 +418,20 @@ config MMC_MESON_GX
If you have a controller with this interface, say Y here.
+config MMC_MESON_MX_SDHC
+ tristate "Amlogic Meson SDHC Host Controller support"
+ depends on (ARM && ARCH_MESON) || COMPILE_TEST
+ depends on COMMON_CLK
+ depends on OF
+ help
+ This selects support for the SDHC Host Controller on
+ Amlogic Meson6, Meson8, Meson8b and Meson8m2 SoCs.
+ The controller supports the SD/SDIO Spec 3.x and eMMC Spec 4.5x
+ with 1, 4, and 8 bit bus widths.
+
+ If you have a controller with this interface, say Y or M here.
+ If unsure, say N.
+
config MMC_MESON_MX_SDIO
tristate "Amlogic Meson6/Meson8/Meson8b SD/MMC Host Controller support"
depends on ARCH_MESON || COMPILE_TEST
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index b929ef941208..4d5bcb0144a0 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -68,6 +68,8 @@ obj-$(CONFIG_MMC_VUB300) += vub300.o
obj-$(CONFIG_MMC_USHC) += ushc.o
obj-$(CONFIG_MMC_WMT) += wmt-sdmmc.o
obj-$(CONFIG_MMC_MESON_GX) += meson-gx-mmc.o
+meson-mx-sdhc-objs := meson-mx-sdhc-clkc.o meson-mx-sdhc-mmc.o
+obj-$(CONFIG_MMC_MESON_MX_SDHC) += meson-mx-sdhc.o
obj-$(CONFIG_MMC_MESON_MX_SDIO) += meson-mx-sdio.o
obj-$(CONFIG_MMC_MOXART) += moxart-mmc.o
obj-$(CONFIG_MMC_SUNXI) += sunxi-mmc.o
@@ -82,6 +84,7 @@ obj-$(CONFIG_MMC_REALTEK_USB) += rtsx_usb_sdmmc.o
obj-$(CONFIG_MMC_SDHCI_PLTFM) += sdhci-pltfm.o
obj-$(CONFIG_MMC_SDHCI_CADENCE) += sdhci-cadence.o
obj-$(CONFIG_MMC_SDHCI_CNS3XXX) += sdhci-cns3xxx.o
+obj-$(CONFIG_MMC_SDHCI_ESDHC_MCF) += sdhci-esdhc-mcf.o
obj-$(CONFIG_MMC_SDHCI_ESDHC_IMX) += sdhci-esdhc-imx.o
obj-$(CONFIG_MMC_SDHCI_DOVE) += sdhci-dove.o
obj-$(CONFIG_MMC_SDHCI_TEGRA) += sdhci-tegra.o
diff --git a/drivers/mmc/host/alcor.c b/drivers/mmc/host/alcor.c
index 1aee485d56d4..026ca9194ce5 100644
--- a/drivers/mmc/host/alcor.c
+++ b/drivers/mmc/host/alcor.c
@@ -1104,7 +1104,7 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "Failed to get irq for data line\n");
- return ret;
+ goto free_host;
}
mutex_init(&host->cmd_mutex);
@@ -1116,6 +1116,10 @@ static int alcor_pci_sdmmc_drv_probe(struct platform_device *pdev)
dev_set_drvdata(&pdev->dev, host);
mmc_add_host(mmc);
return 0;
+
+free_host:
+ mmc_free_host(mmc);
+ return ret;
}
static int alcor_pci_sdmmc_drv_remove(struct platform_device *pdev)
diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android-goldfish.c
index 914e17bab3be..ceb4924e02d0 100644
--- a/drivers/mmc/host/android-goldfish.c
+++ b/drivers/mmc/host/android-goldfish.c
@@ -27,7 +27,6 @@
#include <linux/mutex.h>
#include <linux/scatterlist.h>
#include <linux/mmc/mmc.h>
-#include <linux/mmc/sdio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
@@ -404,14 +403,6 @@ static void goldfish_mmc_request(struct mmc_host *mmc, struct mmc_request *req)
host->mrq = req;
goldfish_mmc_prepare_data(host, req);
goldfish_mmc_start_command(host, req->cmd);
-
- /*
- * This is to avoid accidentally being detected as an SDIO card
- * in mmc_attach_sdio().
- */
- if (req->cmd->opcode == SD_IO_SEND_OP_COND &&
- req->cmd->flags == (MMC_RSP_SPI_R4 | MMC_RSP_R4 | MMC_CMD_BCR))
- req->cmd->error = -EINVAL;
}
static void goldfish_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
@@ -482,6 +473,7 @@ static int goldfish_mmc_probe(struct platform_device *pdev)
mmc->f_max = 24000000;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
mmc->caps = MMC_CAP_4_BIT_DATA;
+ mmc->caps2 = MMC_CAP2_NO_SDIO;
/* Use scatterlist DMA to reduce per-transfer costs.
* NOTE max_seg_size assumption that small blocks aren't
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index aeaaa5314924..5cb692687698 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -169,6 +169,7 @@
#define atmci_writel(port, reg, value) \
__raw_writel((value), (port)->regs + reg)
+#define ATMCI_CMD_TIMEOUT_MS 2000
#define AUTOSUSPEND_DELAY 50
#define ATMCI_DATA_ERROR_FLAGS (ATMCI_DCRCE | ATMCI_DTOE | ATMCI_OVRE | ATMCI_UNRE)
@@ -808,6 +809,9 @@ static u32 atmci_prepare_command(struct mmc_host *mmc,
static void atmci_send_command(struct atmel_mci *host,
struct mmc_command *cmd, u32 cmd_flags)
{
+ unsigned int timeout_ms = cmd->busy_timeout ? cmd->busy_timeout :
+ ATMCI_CMD_TIMEOUT_MS;
+
WARN_ON(host->cmd);
host->cmd = cmd;
@@ -817,6 +821,8 @@ static void atmci_send_command(struct atmel_mci *host,
atmci_writel(host, ATMCI_ARGR, cmd->arg);
atmci_writel(host, ATMCI_CMDR, cmd_flags);
+
+ mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout_ms));
}
static void atmci_send_stop_cmd(struct atmel_mci *host, struct mmc_data *data)
@@ -1314,8 +1320,6 @@ static void atmci_start_request(struct atmel_mci *host,
* prepared yet.)
*/
atmci_writel(host, ATMCI_IER, iflags);
-
- mod_timer(&host->timer, jiffies + msecs_to_jiffies(2000));
}
static void atmci_queue_request(struct atmel_mci *host,
@@ -1557,6 +1561,8 @@ static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq)
WARN_ON(host->cmd || host->data);
+ del_timer(&host->timer);
+
/*
* Update the MMC clock rate if necessary. This may be
* necessary if set_ios() is called when a different slot is
@@ -1583,8 +1589,6 @@ static void atmci_request_end(struct atmel_mci *host, struct mmc_request *mrq)
host->state = STATE_IDLE;
}
- del_timer(&host->timer);
-
spin_unlock(&host->lock);
mmc_request_done(prev_mmc, mrq);
spin_lock(&host->lock);
diff --git a/drivers/mmc/host/au1xmmc.c b/drivers/mmc/host/au1xmmc.c
index 8823680ca42c..9bb1910268ca 100644
--- a/drivers/mmc/host/au1xmmc.c
+++ b/drivers/mmc/host/au1xmmc.c
@@ -259,7 +259,7 @@ static void au1xmmc_tasklet_finish(unsigned long param)
au1xmmc_finish_request(host);
}
-static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
+static int au1xmmc_send_command(struct au1xmmc_host *host,
struct mmc_command *cmd, struct mmc_data *data)
{
u32 mmccmd = (cmd->opcode << SD_CMD_CI_SHIFT);
@@ -302,9 +302,6 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
__raw_writel(cmd->arg, HOST_CMDARG(host));
wmb(); /* drain writebuffer */
- if (wait)
- IRQ_OFF(host, SD_CONFIG_CR);
-
__raw_writel((mmccmd | SD_CMD_GO), HOST_CMD(host));
wmb(); /* drain writebuffer */
@@ -312,19 +309,6 @@ static int au1xmmc_send_command(struct au1xmmc_host *host, int wait,
while (__raw_readl(HOST_CMD(host)) & SD_CMD_GO)
/* nop */;
- /* Wait for the command to come back */
- if (wait) {
- u32 status = __raw_readl(HOST_STATUS(host));
-
- while (!(status & SD_STATUS_CR))
- status = __raw_readl(HOST_STATUS(host));
-
- /* Clear the CR status */
- __raw_writel(SD_STATUS_CR, HOST_STATUS(host));
-
- IRQ_ON(host, SD_CONFIG_CR);
- }
-
return 0;
}
@@ -711,7 +695,7 @@ static void au1xmmc_request(struct mmc_host* mmc, struct mmc_request* mrq)
}
if (!ret)
- ret = au1xmmc_send_command(host, 0, mrq->cmd, mrq->data);
+ ret = au1xmmc_send_command(host, mrq->cmd, mrq->data);
if (ret) {
mrq->cmd->error = ret;
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index c3d949847cbd..a0767790a826 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -1280,8 +1280,7 @@ static int bcm2835_add_host(struct bcm2835_host *host)
/* host controller capabilities */
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_NEEDS_POLL | MMC_CAP_HW_RESET | MMC_CAP_ERASE |
- MMC_CAP_CMD23;
+ MMC_CAP_NEEDS_POLL | MMC_CAP_HW_RESET | MMC_CAP_CMD23;
spin_lock_init(&host->lock);
mutex_init(&host->mutex);
diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c
index 89deb451e0ac..c5da3aaee334 100644
--- a/drivers/mmc/host/cavium.c
+++ b/drivers/mmc/host/cavium.c
@@ -1038,8 +1038,7 @@ int cvm_mmc_of_slot_probe(struct device *dev, struct cvm_mmc_host *host)
* Disable bounce buffers for max_segs = 1
*/
mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
- MMC_CAP_ERASE | MMC_CAP_CMD23 | MMC_CAP_POWER_OFF_CARD |
- MMC_CAP_3_3V_DDR;
+ MMC_CAP_CMD23 | MMC_CAP_POWER_OFF_CARD | MMC_CAP_3_3V_DDR;
if (host->use_sg)
mmc->max_segs = 16;
diff --git a/drivers/mmc/host/cb710-mmc.c b/drivers/mmc/host/cb710-mmc.c
index e33270e40539..e84ed84ea4cc 100644
--- a/drivers/mmc/host/cb710-mmc.c
+++ b/drivers/mmc/host/cb710-mmc.c
@@ -10,6 +10,8 @@
#include <linux/delay.h>
#include "cb710-mmc.h"
+#define CB710_MMC_REQ_TIMEOUT_MS 2000
+
static const u8 cb710_clock_divider_log2[8] = {
/* 1, 2, 4, 8, 16, 32, 128, 512 */
0, 1, 2, 3, 4, 5, 7, 9
@@ -707,6 +709,12 @@ static int cb710_mmc_init(struct platform_device *pdev)
mmc->f_min = val >> cb710_clock_divider_log2[CB710_MAX_DIVIDER_IDX];
mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
mmc->caps = MMC_CAP_4_BIT_DATA;
+ /*
+ * In cb710_wait_for_event() we use a fixed timeout of ~2s, hence let's
+ * inform the core about it. A future improvement should instead make
+ * use of the cmd->busy_timeout.
+ */
+ mmc->max_busy_timeout = CB710_MMC_REQ_TIMEOUT_MS;
reader = mmc_priv(mmc);
diff --git a/drivers/mmc/host/cqhci.c b/drivers/mmc/host/cqhci.c
index c2239ee2c0ef..75934f3c117e 100644
--- a/drivers/mmc/host/cqhci.c
+++ b/drivers/mmc/host/cqhci.c
@@ -5,6 +5,7 @@
#include <linux/delay.h>
#include <linux/highmem.h>
#include <linux/io.h>
+#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
@@ -349,12 +350,16 @@ static int cqhci_enable(struct mmc_host *mmc, struct mmc_card *card)
/* CQHCI is idle and should halt immediately, so set a small timeout */
#define CQHCI_OFF_TIMEOUT 100
+static u32 cqhci_read_ctl(struct cqhci_host *cq_host)
+{
+ return cqhci_readl(cq_host, CQHCI_CTL);
+}
+
static void cqhci_off(struct mmc_host *mmc)
{
struct cqhci_host *cq_host = mmc->cqe_private;
- ktime_t timeout;
- bool timed_out;
u32 reg;
+ int err;
if (!cq_host->enabled || !mmc->cqe_on || cq_host->recovery_halt)
return;
@@ -364,15 +369,9 @@ static void cqhci_off(struct mmc_host *mmc)
cqhci_writel(cq_host, CQHCI_HALT, CQHCI_CTL);
- timeout = ktime_add_us(ktime_get(), CQHCI_OFF_TIMEOUT);
- while (1) {
- timed_out = ktime_compare(ktime_get(), timeout) > 0;
- reg = cqhci_readl(cq_host, CQHCI_CTL);
- if ((reg & CQHCI_HALT) || timed_out)
- break;
- }
-
- if (timed_out)
+ err = readx_poll_timeout(cqhci_read_ctl, cq_host, reg,
+ reg & CQHCI_HALT, 0, CQHCI_OFF_TIMEOUT);
+ if (err < 0)
pr_err("%s: cqhci: CQE stuck on\n", mmc_hostname(mmc));
else
pr_debug("%s: cqhci: CQE off\n", mmc_hostname(mmc));
diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c
index 23b6f65b3785..50977ff18074 100644
--- a/drivers/mmc/host/dw_mmc-k3.c
+++ b/drivers/mmc/host/dw_mmc-k3.c
@@ -424,7 +424,7 @@ static int dw_mci_hi3660_switch_voltage(struct mmc_host *mmc,
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
dev_err(host->dev, "Regulator set error %d\n", ret);
return ret;
}
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index bc5278ab5707..35ae5737c622 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1546,8 +1546,7 @@ static int dw_mci_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios)
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
-
- if (ret) {
+ if (ret < 0) {
dev_dbg(&mmc->class_dev,
"Regulator set error %d - %s V\n",
ret, uhs & v18 ? "1.8" : "3.3");
@@ -2752,12 +2751,6 @@ static int dw_mci_init_slot_caps(struct dw_mci_slot *slot)
if (host->pdata->caps)
mmc->caps = host->pdata->caps;
- /*
- * Support MMC_CAP_ERASE by default.
- * It needs to use trim/discard/erase commands.
- */
- mmc->caps |= MMC_CAP_ERASE;
-
if (host->pdata->pm_caps)
mmc->pm_caps = host->pdata->pm_caps;
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index fbae87d1f017..cba7a6fcd178 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -108,6 +108,7 @@
#define JZ_MMC_LPM_LOW_POWER_MODE_EN BIT(0)
#define JZ_MMC_CLK_RATE 24000000
+#define JZ_MMC_REQ_TIMEOUT_MS 5000
enum jz4740_mmc_version {
JZ_MMC_JZ4740,
@@ -440,7 +441,8 @@ static unsigned int jz4740_mmc_poll_irq(struct jz4740_mmc_host *host,
if (timeout == 0) {
set_bit(0, &host->waiting);
- mod_timer(&host->timeout_timer, jiffies + 5*HZ);
+ mod_timer(&host->timeout_timer,
+ jiffies + msecs_to_jiffies(JZ_MMC_REQ_TIMEOUT_MS));
jz4740_mmc_set_irq_enabled(host, irq, true);
return true;
}
@@ -893,7 +895,8 @@ static void jz4740_mmc_request(struct mmc_host *mmc, struct mmc_request *req)
host->state = JZ4740_MMC_STATE_READ_RESPONSE;
set_bit(0, &host->waiting);
- mod_timer(&host->timeout_timer, jiffies + 5*HZ);
+ mod_timer(&host->timeout_timer,
+ jiffies + msecs_to_jiffies(JZ_MMC_REQ_TIMEOUT_MS));
jz4740_mmc_send_command(host, req->cmd);
}
@@ -1023,6 +1026,12 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
mmc->f_min = mmc->f_max / 128;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+ /*
+ * We use a fixed timeout of 5s, hence inform the core about it. A
+ * future improvement should instead respect the cmd->busy_timeout.
+ */
+ mmc->max_busy_timeout = JZ_MMC_REQ_TIMEOUT_MS;
+
mmc->max_blk_size = (1 << 10) - 1;
mmc->max_blk_count = (1 << 15) - 1;
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 35400cf2a2e4..7eb38d7482c6 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1004,6 +1004,8 @@ static int meson_mmc_card_busy(struct mmc_host *mmc)
static int meson_mmc_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios)
{
+ int ret;
+
/* vqmmc regulator is available */
if (!IS_ERR(mmc->supply.vqmmc)) {
/*
@@ -1013,7 +1015,8 @@ static int meson_mmc_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios)
* to 1.8v. Please make sure the regulator framework is aware
* of your own regulator constraints
*/
- return mmc_regulator_set_vqmmc(mmc, ios);
+ ret = mmc_regulator_set_vqmmc(mmc, ios);
+ return ret < 0 ? ret : 0;
}
/* no vqmmc regulator, assume fixed regulator at 3/3.3V */
diff --git a/drivers/mmc/host/meson-mx-sdhc-clkc.c b/drivers/mmc/host/meson-mx-sdhc-clkc.c
new file mode 100644
index 000000000000..e1f29b279123
--- /dev/null
+++ b/drivers/mmc/host/meson-mx-sdhc-clkc.c
@@ -0,0 +1,158 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Amlogic Meson SDHC clock controller
+ *
+ * Copyright (C) 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
+#include "meson-mx-sdhc.h"
+
+#define MESON_SDHC_NUM_BUILTIN_CLKS 6
+
+struct meson_mx_sdhc_clkc {
+ struct clk_mux src_sel;
+ struct clk_divider div;
+ struct clk_gate mod_clk_en;
+ struct clk_gate tx_clk_en;
+ struct clk_gate rx_clk_en;
+ struct clk_gate sd_clk_en;
+};
+
+static const struct clk_parent_data meson_mx_sdhc_src_sel_parents[4] = {
+ { .fw_name = "clkin0" },
+ { .fw_name = "clkin1" },
+ { .fw_name = "clkin2" },
+ { .fw_name = "clkin3" },
+};
+
+static const struct clk_div_table meson_mx_sdhc_div_table[] = {
+ { .div = 6, .val = 5, },
+ { .div = 8, .val = 7, },
+ { .div = 9, .val = 8, },
+ { .div = 10, .val = 9, },
+ { .div = 12, .val = 11, },
+ { .div = 16, .val = 15, },
+ { .div = 18, .val = 17, },
+ { .div = 34, .val = 33, },
+ { .div = 142, .val = 141, },
+ { .div = 850, .val = 849, },
+ { .div = 2126, .val = 2125, },
+ { .div = 4096, .val = 4095, },
+ { /* sentinel */ }
+};
+
+static int meson_mx_sdhc_clk_hw_register(struct device *dev,
+ const char *name_suffix,
+ const struct clk_parent_data *parents,
+ unsigned int num_parents,
+ const struct clk_ops *ops,
+ struct clk_hw *hw)
+{
+ struct clk_init_data init = { };
+ char clk_name[32];
+
+ snprintf(clk_name, sizeof(clk_name), "%s#%s", dev_name(dev),
+ name_suffix);
+
+ init.name = clk_name;
+ init.ops = ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_data = parents;
+ init.num_parents = num_parents;
+
+ hw->init = &init;
+
+ return devm_clk_hw_register(dev, hw);
+}
+
+static int meson_mx_sdhc_gate_clk_hw_register(struct device *dev,
+ const char *name_suffix,
+ struct clk_hw *parent,
+ struct clk_hw *hw)
+{
+ struct clk_parent_data parent_data = { .hw = parent };
+
+ return meson_mx_sdhc_clk_hw_register(dev, name_suffix, &parent_data, 1,
+ &clk_gate_ops, hw);
+}
+
+int meson_mx_sdhc_register_clkc(struct device *dev, void __iomem *base,
+ struct clk_bulk_data *clk_bulk_data)
+{
+ struct clk_parent_data div_parent = { };
+ struct meson_mx_sdhc_clkc *clkc_data;
+ int ret;
+
+ clkc_data = devm_kzalloc(dev, sizeof(*clkc_data), GFP_KERNEL);
+ if (!clkc_data)
+ return -ENOMEM;
+
+ clkc_data->src_sel.reg = base + MESON_SDHC_CLKC;
+ clkc_data->src_sel.mask = 0x3;
+ clkc_data->src_sel.shift = 16;
+ ret = meson_mx_sdhc_clk_hw_register(dev, "src_sel",
+ meson_mx_sdhc_src_sel_parents, 4,
+ &clk_mux_ops,
+ &clkc_data->src_sel.hw);
+ if (ret)
+ return ret;
+
+ clkc_data->div.reg = base + MESON_SDHC_CLKC;
+ clkc_data->div.shift = 0;
+ clkc_data->div.width = 12;
+ clkc_data->div.table = meson_mx_sdhc_div_table;
+ div_parent.hw = &clkc_data->src_sel.hw;
+ ret = meson_mx_sdhc_clk_hw_register(dev, "div", &div_parent, 1,
+ &clk_divider_ops,
+ &clkc_data->div.hw);
+ if (ret)
+ return ret;
+
+ clkc_data->mod_clk_en.reg = base + MESON_SDHC_CLKC;
+ clkc_data->mod_clk_en.bit_idx = 15;
+ ret = meson_mx_sdhc_gate_clk_hw_register(dev, "mod_clk_on",
+ &clkc_data->div.hw,
+ &clkc_data->mod_clk_en.hw);
+ if (ret)
+ return ret;
+
+ clkc_data->tx_clk_en.reg = base + MESON_SDHC_CLKC;
+ clkc_data->tx_clk_en.bit_idx = 14;
+ ret = meson_mx_sdhc_gate_clk_hw_register(dev, "tx_clk_on",
+ &clkc_data->div.hw,
+ &clkc_data->tx_clk_en.hw);
+ if (ret)
+ return ret;
+
+ clkc_data->rx_clk_en.reg = base + MESON_SDHC_CLKC;
+ clkc_data->rx_clk_en.bit_idx = 13;
+ ret = meson_mx_sdhc_gate_clk_hw_register(dev, "rx_clk_on",
+ &clkc_data->div.hw,
+ &clkc_data->rx_clk_en.hw);
+ if (ret)
+ return ret;
+
+ clkc_data->sd_clk_en.reg = base + MESON_SDHC_CLKC;
+ clkc_data->sd_clk_en.bit_idx = 12;
+ ret = meson_mx_sdhc_gate_clk_hw_register(dev, "sd_clk_on",
+ &clkc_data->div.hw,
+ &clkc_data->sd_clk_en.hw);
+ if (ret)
+ return ret;
+
+ /*
+ * TODO: Replace clk_hw.clk with devm_clk_hw_get_clk() once that is
+ * available.
+ */
+ clk_bulk_data[0].clk = clkc_data->mod_clk_en.hw.clk;
+ clk_bulk_data[1].clk = clkc_data->sd_clk_en.hw.clk;
+ clk_bulk_data[2].clk = clkc_data->tx_clk_en.hw.clk;
+ clk_bulk_data[3].clk = clkc_data->rx_clk_en.hw.clk;
+
+ return 0;
+}
diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c
new file mode 100644
index 000000000000..53e3f6a4245a
--- /dev/null
+++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c
@@ -0,0 +1,914 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Amlogic Meson6/Meson8/Meson8b/Meson8m2 SDHC MMC host controller driver.
+ *
+ * Copyright (C) 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/types.h>
+
+#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/sdio.h>
+#include <linux/mmc/slot-gpio.h>
+
+#include "meson-mx-sdhc.h"
+
+#define MESON_SDHC_NUM_BULK_CLKS 4
+#define MESON_SDHC_MAX_BLK_SIZE 512
+#define MESON_SDHC_NUM_TUNING_TRIES 10
+
+#define MESON_SDHC_WAIT_CMD_READY_SLEEP_US 1
+#define MESON_SDHC_WAIT_CMD_READY_TIMEOUT_US 100000
+#define MESON_SDHC_WAIT_BEFORE_SEND_SLEEP_US 1
+#define MESON_SDHC_WAIT_BEFORE_SEND_TIMEOUT_US 200
+
+struct meson_mx_sdhc_data {
+ void (*init_hw)(struct mmc_host *mmc);
+ void (*set_pdma)(struct mmc_host *mmc);
+ void (*wait_before_send)(struct mmc_host *mmc);
+ bool hardware_flush_all_cmds;
+};
+
+struct meson_mx_sdhc_host {
+ struct mmc_host *mmc;
+
+ struct mmc_request *mrq;
+ struct mmc_command *cmd;
+ int error;
+
+ struct regmap *regmap;
+
+ struct clk *pclk;
+ struct clk *sd_clk;
+ struct clk_bulk_data bulk_clks[MESON_SDHC_NUM_BULK_CLKS];
+ bool bulk_clks_enabled;
+
+ const struct meson_mx_sdhc_data *platform;
+};
+
+static const struct regmap_config meson_mx_sdhc_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = MESON_SDHC_CLK2,
+};
+
+static void meson_mx_sdhc_hw_reset(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ regmap_write(host->regmap, MESON_SDHC_SRST, MESON_SDHC_SRST_MAIN_CTRL |
+ MESON_SDHC_SRST_RXFIFO | MESON_SDHC_SRST_TXFIFO |
+ MESON_SDHC_SRST_DPHY_RX | MESON_SDHC_SRST_DPHY_TX |
+ MESON_SDHC_SRST_DMA_IF);
+ usleep_range(10, 100);
+
+ regmap_write(host->regmap, MESON_SDHC_SRST, 0);
+ usleep_range(10, 100);
+}
+
+static void meson_mx_sdhc_clear_fifo(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 stat;
+
+ regmap_read(host->regmap, MESON_SDHC_STAT, &stat);
+ if (!FIELD_GET(MESON_SDHC_STAT_RXFIFO_CNT, stat) &&
+ !FIELD_GET(MESON_SDHC_STAT_TXFIFO_CNT, stat))
+ return;
+
+ regmap_write(host->regmap, MESON_SDHC_SRST, MESON_SDHC_SRST_RXFIFO |
+ MESON_SDHC_SRST_TXFIFO | MESON_SDHC_SRST_MAIN_CTRL);
+ udelay(5);
+
+ regmap_read(host->regmap, MESON_SDHC_STAT, &stat);
+ if (FIELD_GET(MESON_SDHC_STAT_RXFIFO_CNT, stat) ||
+ FIELD_GET(MESON_SDHC_STAT_TXFIFO_CNT, stat))
+ dev_warn(mmc_dev(host->mmc),
+ "Failed to clear FIFOs, RX: %lu, TX: %lu\n",
+ FIELD_GET(MESON_SDHC_STAT_RXFIFO_CNT, stat),
+ FIELD_GET(MESON_SDHC_STAT_TXFIFO_CNT, stat));
+}
+
+static void meson_mx_sdhc_wait_cmd_ready(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 stat, esta;
+ int ret;
+
+ ret = regmap_read_poll_timeout(host->regmap, MESON_SDHC_STAT, stat,
+ !(stat & MESON_SDHC_STAT_CMD_BUSY),
+ MESON_SDHC_WAIT_CMD_READY_SLEEP_US,
+ MESON_SDHC_WAIT_CMD_READY_TIMEOUT_US);
+ if (ret) {
+ dev_warn(mmc_dev(mmc),
+ "Failed to poll for CMD_BUSY while processing CMD%d\n",
+ host->cmd->opcode);
+ meson_mx_sdhc_hw_reset(mmc);
+ }
+
+ ret = regmap_read_poll_timeout(host->regmap, MESON_SDHC_ESTA, esta,
+ !(esta & MESON_SDHC_ESTA_11_13),
+ MESON_SDHC_WAIT_CMD_READY_SLEEP_US,
+ MESON_SDHC_WAIT_CMD_READY_TIMEOUT_US);
+ if (ret) {
+ dev_warn(mmc_dev(mmc),
+ "Failed to poll for ESTA[13:11] while processing CMD%d\n",
+ host->cmd->opcode);
+ meson_mx_sdhc_hw_reset(mmc);
+ }
+}
+
+static void meson_mx_sdhc_start_cmd(struct mmc_host *mmc,
+ struct mmc_command *cmd)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 ictl, send;
+ int pack_len;
+
+ host->cmd = cmd;
+
+ ictl = MESON_SDHC_ICTL_DATA_TIMEOUT | MESON_SDHC_ICTL_DATA_ERR_CRC |
+ MESON_SDHC_ICTL_RXFIFO_FULL | MESON_SDHC_ICTL_TXFIFO_EMPTY |
+ MESON_SDHC_ICTL_RESP_TIMEOUT | MESON_SDHC_ICTL_RESP_ERR_CRC;
+
+ send = FIELD_PREP(MESON_SDHC_SEND_CMD_INDEX, cmd->opcode);
+
+ if (cmd->data) {
+ send |= MESON_SDHC_SEND_CMD_HAS_DATA;
+ send |= FIELD_PREP(MESON_SDHC_SEND_TOTAL_PACK,
+ cmd->data->blocks - 1);
+
+ if (cmd->data->blksz < MESON_SDHC_MAX_BLK_SIZE)
+ pack_len = cmd->data->blksz;
+ else
+ pack_len = 0;
+
+ if (cmd->data->flags & MMC_DATA_WRITE)
+ send |= MESON_SDHC_SEND_DATA_DIR;
+
+ /*
+ * If command with no data, just wait response done
+ * interrupt(int[0]), and if command with data transfer, just
+ * wait dma done interrupt(int[11]), don't need care about
+ * dat0 busy or not.
+ */
+ if (host->platform->hardware_flush_all_cmds ||
+ cmd->data->flags & MMC_DATA_WRITE)
+ /* hardware flush: */
+ ictl |= MESON_SDHC_ICTL_DMA_DONE;
+ else
+ /* software flush: */
+ ictl |= MESON_SDHC_ICTL_DATA_XFER_OK;
+ } else {
+ pack_len = 0;
+
+ ictl |= MESON_SDHC_ICTL_RESP_OK;
+ }
+
+ if (cmd->opcode == MMC_STOP_TRANSMISSION)
+ send |= MESON_SDHC_SEND_DATA_STOP;
+
+ if (cmd->flags & MMC_RSP_PRESENT)
+ send |= MESON_SDHC_SEND_CMD_HAS_RESP;
+
+ if (cmd->flags & MMC_RSP_136) {
+ send |= MESON_SDHC_SEND_RESP_LEN;
+ send |= MESON_SDHC_SEND_RESP_NO_CRC;
+ }
+
+ if (!(cmd->flags & MMC_RSP_CRC))
+ send |= MESON_SDHC_SEND_RESP_NO_CRC;
+
+ if (cmd->flags & MMC_RSP_BUSY)
+ send |= MESON_SDHC_SEND_R1B;
+
+ /* enable the new IRQs and mask all pending ones */
+ regmap_write(host->regmap, MESON_SDHC_ICTL, ictl);
+ regmap_write(host->regmap, MESON_SDHC_ISTA, MESON_SDHC_ISTA_ALL_IRQS);
+
+ regmap_write(host->regmap, MESON_SDHC_ARGU, cmd->arg);
+
+ regmap_update_bits(host->regmap, MESON_SDHC_CTRL,
+ MESON_SDHC_CTRL_PACK_LEN,
+ FIELD_PREP(MESON_SDHC_CTRL_PACK_LEN, pack_len));
+
+ if (cmd->data)
+ regmap_write(host->regmap, MESON_SDHC_ADDR,
+ sg_dma_address(cmd->data->sg));
+
+ meson_mx_sdhc_wait_cmd_ready(mmc);
+
+ if (cmd->data)
+ host->platform->set_pdma(mmc);
+
+ if (host->platform->wait_before_send)
+ host->platform->wait_before_send(mmc);
+
+ regmap_write(host->regmap, MESON_SDHC_SEND, send);
+}
+
+static void meson_mx_sdhc_disable_clks(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ if (!host->bulk_clks_enabled)
+ return;
+
+ clk_bulk_disable_unprepare(MESON_SDHC_NUM_BULK_CLKS, host->bulk_clks);
+
+ host->bulk_clks_enabled = false;
+}
+
+static int meson_mx_sdhc_enable_clks(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ int ret;
+
+ if (host->bulk_clks_enabled)
+ return 0;
+
+ ret = clk_bulk_prepare_enable(MESON_SDHC_NUM_BULK_CLKS,
+ host->bulk_clks);
+ if (ret)
+ return ret;
+
+ host->bulk_clks_enabled = true;
+
+ return 0;
+}
+
+static int meson_mx_sdhc_set_clk(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 rx_clk_phase;
+ int ret;
+
+ meson_mx_sdhc_disable_clks(mmc);
+
+ if (ios->clock) {
+ ret = clk_set_rate(host->sd_clk, ios->clock);
+ if (ret) {
+ dev_warn(mmc_dev(mmc),
+ "Failed to set MMC clock to %uHz: %d\n",
+ ios->clock, host->error);
+ return ret;
+ }
+
+ ret = meson_mx_sdhc_enable_clks(mmc);
+ if (ret)
+ return ret;
+
+ mmc->actual_clock = clk_get_rate(host->sd_clk);
+
+ /*
+ * according to Amlogic the following latching points are
+ * selected with empirical values, there is no (known) formula
+ * to calculate these.
+ */
+ if (mmc->actual_clock > 100000000) {
+ rx_clk_phase = 1;
+ } else if (mmc->actual_clock > 45000000) {
+ if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330)
+ rx_clk_phase = 15;
+ else
+ rx_clk_phase = 11;
+ } else if (mmc->actual_clock >= 25000000) {
+ rx_clk_phase = 15;
+ } else if (mmc->actual_clock > 5000000) {
+ rx_clk_phase = 23;
+ } else if (mmc->actual_clock > 1000000) {
+ rx_clk_phase = 55;
+ } else {
+ rx_clk_phase = 1061;
+ }
+
+ regmap_update_bits(host->regmap, MESON_SDHC_CLK2,
+ MESON_SDHC_CLK2_RX_CLK_PHASE,
+ FIELD_PREP(MESON_SDHC_CLK2_RX_CLK_PHASE,
+ rx_clk_phase));
+ } else {
+ mmc->actual_clock = 0;
+ }
+
+ return 0;
+}
+
+static void meson_mx_sdhc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ unsigned short vdd = ios->vdd;
+
+ switch (ios->power_mode) {
+ case MMC_POWER_OFF:
+ vdd = 0;
+ fallthrough;
+
+ case MMC_POWER_UP:
+ if (!IS_ERR(mmc->supply.vmmc)) {
+ host->error = mmc_regulator_set_ocr(mmc,
+ mmc->supply.vmmc,
+ vdd);
+ if (host->error)
+ return;
+ }
+
+ break;
+
+ case MMC_POWER_ON:
+ break;
+ }
+
+ host->error = meson_mx_sdhc_set_clk(mmc, ios);
+ if (host->error)
+ return;
+
+ switch (ios->bus_width) {
+ case MMC_BUS_WIDTH_1:
+ regmap_update_bits(host->regmap, MESON_SDHC_CTRL,
+ MESON_SDHC_CTRL_DAT_TYPE,
+ FIELD_PREP(MESON_SDHC_CTRL_DAT_TYPE, 0));
+ break;
+
+ case MMC_BUS_WIDTH_4:
+ regmap_update_bits(host->regmap, MESON_SDHC_CTRL,
+ MESON_SDHC_CTRL_DAT_TYPE,
+ FIELD_PREP(MESON_SDHC_CTRL_DAT_TYPE, 1));
+ break;
+
+ case MMC_BUS_WIDTH_8:
+ regmap_update_bits(host->regmap, MESON_SDHC_CTRL,
+ MESON_SDHC_CTRL_DAT_TYPE,
+ FIELD_PREP(MESON_SDHC_CTRL_DAT_TYPE, 2));
+ break;
+
+ default:
+ dev_err(mmc_dev(mmc), "unsupported bus width: %d\n",
+ ios->bus_width);
+ host->error = -EINVAL;
+ return;
+ }
+}
+
+static int meson_mx_sdhc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+ struct mmc_data *data = mrq->data;
+ int dma_len;
+
+ if (!data)
+ return 0;
+
+ dma_len = dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
+ if (dma_len <= 0) {
+ dev_err(mmc_dev(mmc), "dma_map_sg failed\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void meson_mx_sdhc_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ struct mmc_command *cmd = mrq->cmd;
+
+ if (!host->error)
+ host->error = meson_mx_sdhc_map_dma(mmc, mrq);
+
+ if (host->error) {
+ cmd->error = host->error;
+ mmc_request_done(mmc, mrq);
+ return;
+ }
+
+ host->mrq = mrq;
+
+ meson_mx_sdhc_start_cmd(mmc, mrq->cmd);
+}
+
+static int meson_mx_sdhc_card_busy(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 stat;
+
+ regmap_read(host->regmap, MESON_SDHC_STAT, &stat);
+ return FIELD_GET(MESON_SDHC_STAT_DAT3_0, stat) == 0;
+}
+
+static bool meson_mx_sdhc_tuning_point_matches(struct mmc_host *mmc,
+ u32 opcode)
+{
+ unsigned int i, num_matches = 0;
+ int ret;
+
+ for (i = 0; i < MESON_SDHC_NUM_TUNING_TRIES; i++) {
+ ret = mmc_send_tuning(mmc, opcode, NULL);
+ if (!ret)
+ num_matches++;
+ }
+
+ return num_matches == MESON_SDHC_NUM_TUNING_TRIES;
+}
+
+static int meson_mx_sdhc_execute_tuning(struct mmc_host *mmc, u32 opcode)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ int div, start, len, best_start, best_len;
+ int curr_phase, old_phase, new_phase;
+ u32 val;
+
+ len = 0;
+ start = 0;
+ best_len = 0;
+
+ regmap_read(host->regmap, MESON_SDHC_CLK2, &val);
+ old_phase = FIELD_GET(MESON_SDHC_CLK2_RX_CLK_PHASE, val);
+
+ regmap_read(host->regmap, MESON_SDHC_CLKC, &val);
+ div = FIELD_GET(MESON_SDHC_CLKC_CLK_DIV, val);
+
+ for (curr_phase = 0; curr_phase <= div; curr_phase++) {
+ regmap_update_bits(host->regmap, MESON_SDHC_CLK2,
+ MESON_SDHC_CLK2_RX_CLK_PHASE,
+ FIELD_PREP(MESON_SDHC_CLK2_RX_CLK_PHASE,
+ curr_phase));
+
+ if (meson_mx_sdhc_tuning_point_matches(mmc, opcode)) {
+ if (!len) {
+ start = curr_phase;
+
+ dev_dbg(mmc_dev(mmc),
+ "New RX phase window starts at %u\n",
+ start);
+ }
+
+ len++;
+ } else {
+ if (len > best_len) {
+ best_start = start;
+ best_len = len;
+
+ dev_dbg(mmc_dev(mmc),
+ "New best RX phase window: %u - %u\n",
+ best_start, best_start + best_len);
+ }
+
+ /* reset the current window */
+ len = 0;
+ }
+ }
+
+ if (len > best_len)
+ /* the last window is the best (or possibly only) window */
+ new_phase = start + (len / 2);
+ else if (best_len)
+ /* there was a better window than the last */
+ new_phase = best_start + (best_len / 2);
+ else
+ /* no window was found at all, reset to the original phase */
+ new_phase = old_phase;
+
+ regmap_update_bits(host->regmap, MESON_SDHC_CLK2,
+ MESON_SDHC_CLK2_RX_CLK_PHASE,
+ FIELD_PREP(MESON_SDHC_CLK2_RX_CLK_PHASE,
+ new_phase));
+
+ if (!len && !best_len)
+ return -EIO;
+
+ dev_dbg(mmc_dev(mmc), "Tuned RX clock phase to %u\n", new_phase);
+
+ return 0;
+}
+
+static const struct mmc_host_ops meson_mx_sdhc_ops = {
+ .hw_reset = meson_mx_sdhc_hw_reset,
+ .request = meson_mx_sdhc_request,
+ .set_ios = meson_mx_sdhc_set_ios,
+ .card_busy = meson_mx_sdhc_card_busy,
+ .execute_tuning = meson_mx_sdhc_execute_tuning,
+ .get_cd = mmc_gpio_get_cd,
+ .get_ro = mmc_gpio_get_ro,
+};
+
+static void meson_mx_sdhc_request_done(struct meson_mx_sdhc_host *host)
+{
+ struct mmc_request *mrq = host->mrq;
+ struct mmc_host *mmc = host->mmc;
+
+ /* disable interrupts and mask all pending ones */
+ regmap_update_bits(host->regmap, MESON_SDHC_ICTL,
+ MESON_SDHC_ICTL_ALL_IRQS, 0);
+ regmap_update_bits(host->regmap, MESON_SDHC_ISTA,
+ MESON_SDHC_ISTA_ALL_IRQS, MESON_SDHC_ISTA_ALL_IRQS);
+
+ host->mrq = NULL;
+ host->cmd = NULL;
+
+ mmc_request_done(mmc, mrq);
+}
+
+static u32 meson_mx_sdhc_read_response(struct meson_mx_sdhc_host *host, u8 idx)
+{
+ u32 val;
+
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_DMA_MODE, 0);
+
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_PIO_RDRESP,
+ FIELD_PREP(MESON_SDHC_PDMA_PIO_RDRESP, idx));
+
+ regmap_read(host->regmap, MESON_SDHC_ARGU, &val);
+
+ return val;
+}
+
+static irqreturn_t meson_mx_sdhc_irq(int irq, void *data)
+{
+ struct meson_mx_sdhc_host *host = data;
+ struct mmc_command *cmd = host->cmd;
+ u32 ictl, ista;
+
+ regmap_read(host->regmap, MESON_SDHC_ICTL, &ictl);
+ regmap_read(host->regmap, MESON_SDHC_ISTA, &ista);
+
+ if (!(ictl & ista))
+ return IRQ_NONE;
+
+ if (ista & MESON_SDHC_ISTA_RXFIFO_FULL ||
+ ista & MESON_SDHC_ISTA_TXFIFO_EMPTY)
+ cmd->error = -EIO;
+ else if (ista & MESON_SDHC_ISTA_RESP_ERR_CRC)
+ cmd->error = -EILSEQ;
+ else if (ista & MESON_SDHC_ISTA_RESP_TIMEOUT)
+ cmd->error = -ETIMEDOUT;
+
+ if (cmd->data) {
+ if (ista & MESON_SDHC_ISTA_DATA_ERR_CRC)
+ cmd->data->error = -EILSEQ;
+ else if (ista & MESON_SDHC_ISTA_DATA_TIMEOUT)
+ cmd->data->error = -ETIMEDOUT;
+ }
+
+ if (cmd->error || (cmd->data && cmd->data->error))
+ dev_dbg(mmc_dev(host->mmc), "CMD%d error, ISTA: 0x%08x\n",
+ cmd->opcode, ista);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t meson_mx_sdhc_irq_thread(int irq, void *irq_data)
+{
+ struct meson_mx_sdhc_host *host = irq_data;
+ struct mmc_command *cmd;
+ u32 val;
+
+ cmd = host->cmd;
+ if (WARN_ON(!cmd))
+ return IRQ_HANDLED;
+
+ if (cmd->data && !cmd->data->error) {
+ if (!host->platform->hardware_flush_all_cmds &&
+ cmd->data->flags & MMC_DATA_READ) {
+ meson_mx_sdhc_wait_cmd_ready(host->mmc);
+
+ /*
+ * If MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH was
+ * previously 0x1 then it has to be set to 0x3. If it
+ * was 0x0 before then it has to be set to 0x2. Without
+ * this reading SD cards sometimes transfers garbage,
+ * which results in cards not being detected due to:
+ * unrecognised SCR structure version <random number>
+ */
+ val = FIELD_PREP(MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH,
+ 2);
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA, val,
+ val);
+ }
+
+ dma_unmap_sg(mmc_dev(host->mmc), cmd->data->sg,
+ cmd->data->sg_len, mmc_get_dma_dir(cmd->data));
+
+ cmd->data->bytes_xfered = cmd->data->blksz * cmd->data->blocks;
+ }
+
+ meson_mx_sdhc_wait_cmd_ready(host->mmc);
+
+ if (cmd->flags & MMC_RSP_136) {
+ cmd->resp[0] = meson_mx_sdhc_read_response(host, 4);
+ cmd->resp[1] = meson_mx_sdhc_read_response(host, 3);
+ cmd->resp[2] = meson_mx_sdhc_read_response(host, 2);
+ cmd->resp[3] = meson_mx_sdhc_read_response(host, 1);
+ } else {
+ cmd->resp[0] = meson_mx_sdhc_read_response(host, 0);
+ }
+
+ if (cmd->error == -EIO || cmd->error == -ETIMEDOUT)
+ meson_mx_sdhc_hw_reset(host->mmc);
+ else if (cmd->data)
+ /*
+ * Clear the FIFOs after completing data transfers to prevent
+ * corrupting data on write access. It's not clear why this is
+ * needed (for reads and writes), but it mimics what the BSP
+ * kernel did.
+ */
+ meson_mx_sdhc_clear_fifo(host->mmc);
+
+ meson_mx_sdhc_request_done(host);
+
+ return IRQ_HANDLED;
+}
+
+static void meson_mx_sdhc_init_hw_meson8(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ regmap_write(host->regmap, MESON_SDHC_MISC,
+ FIELD_PREP(MESON_SDHC_MISC_TXSTART_THRES, 7) |
+ FIELD_PREP(MESON_SDHC_MISC_WCRC_ERR_PATT, 5) |
+ FIELD_PREP(MESON_SDHC_MISC_WCRC_OK_PATT, 2));
+
+ regmap_write(host->regmap, MESON_SDHC_ENHC,
+ FIELD_PREP(MESON_SDHC_ENHC_RXFIFO_TH, 63) |
+ MESON_SDHC_ENHC_MESON6_DMA_WR_RESP |
+ FIELD_PREP(MESON_SDHC_ENHC_MESON6_RX_TIMEOUT, 255) |
+ FIELD_PREP(MESON_SDHC_ENHC_SDIO_IRQ_PERIOD, 12));
+};
+
+static void meson_mx_sdhc_set_pdma_meson8(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ if (host->cmd->data->flags & MMC_DATA_WRITE)
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_DMA_MODE |
+ MESON_SDHC_PDMA_RD_BURST |
+ MESON_SDHC_PDMA_TXFIFO_FILL,
+ MESON_SDHC_PDMA_DMA_MODE |
+ FIELD_PREP(MESON_SDHC_PDMA_RD_BURST, 31) |
+ MESON_SDHC_PDMA_TXFIFO_FILL);
+ else
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_DMA_MODE |
+ MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH,
+ MESON_SDHC_PDMA_DMA_MODE |
+ FIELD_PREP(MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH,
+ 1));
+
+ if (host->cmd->data->flags & MMC_DATA_WRITE)
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_RD_BURST,
+ FIELD_PREP(MESON_SDHC_PDMA_RD_BURST, 15));
+}
+
+static void meson_mx_sdhc_wait_before_send_meson8(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+ u32 val;
+ int ret;
+
+ ret = regmap_read_poll_timeout(host->regmap, MESON_SDHC_ESTA, val,
+ val == 0,
+ MESON_SDHC_WAIT_BEFORE_SEND_SLEEP_US,
+ MESON_SDHC_WAIT_BEFORE_SEND_TIMEOUT_US);
+ if (ret)
+ dev_warn(mmc_dev(mmc),
+ "Failed to wait for ESTA to clear: 0x%08x\n", val);
+
+ if (host->cmd->data && host->cmd->data->flags & MMC_DATA_WRITE) {
+ ret = regmap_read_poll_timeout(host->regmap, MESON_SDHC_STAT,
+ val, val & MESON_SDHC_STAT_TXFIFO_CNT,
+ MESON_SDHC_WAIT_BEFORE_SEND_SLEEP_US,
+ MESON_SDHC_WAIT_BEFORE_SEND_TIMEOUT_US);
+ if (ret)
+ dev_warn(mmc_dev(mmc),
+ "Failed to wait for TX FIFO to fill\n");
+ }
+}
+
+static void meson_mx_sdhc_init_hw_meson8m2(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ regmap_write(host->regmap, MESON_SDHC_MISC,
+ FIELD_PREP(MESON_SDHC_MISC_TXSTART_THRES, 6) |
+ FIELD_PREP(MESON_SDHC_MISC_WCRC_ERR_PATT, 5) |
+ FIELD_PREP(MESON_SDHC_MISC_WCRC_OK_PATT, 2));
+
+ regmap_write(host->regmap, MESON_SDHC_ENHC,
+ FIELD_PREP(MESON_SDHC_ENHC_RXFIFO_TH, 64) |
+ FIELD_PREP(MESON_SDHC_ENHC_MESON8M2_DEBUG, 1) |
+ MESON_SDHC_ENHC_MESON8M2_WRRSP_MODE |
+ FIELD_PREP(MESON_SDHC_ENHC_SDIO_IRQ_PERIOD, 12));
+}
+
+static void meson_mx_sdhc_set_pdma_meson8m2(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ regmap_update_bits(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_DMA_MODE, MESON_SDHC_PDMA_DMA_MODE);
+}
+
+static void meson_mx_sdhc_init_hw(struct mmc_host *mmc)
+{
+ struct meson_mx_sdhc_host *host = mmc_priv(mmc);
+
+ meson_mx_sdhc_hw_reset(mmc);
+
+ regmap_write(host->regmap, MESON_SDHC_CTRL,
+ FIELD_PREP(MESON_SDHC_CTRL_RX_PERIOD, 0xf) |
+ FIELD_PREP(MESON_SDHC_CTRL_RX_TIMEOUT, 0x7f) |
+ FIELD_PREP(MESON_SDHC_CTRL_RX_ENDIAN, 0x7) |
+ FIELD_PREP(MESON_SDHC_CTRL_TX_ENDIAN, 0x7));
+
+ /*
+ * start with a valid divider and enable the memory (un-setting
+ * MESON_SDHC_CLKC_MEM_PWR_OFF).
+ */
+ regmap_write(host->regmap, MESON_SDHC_CLKC, MESON_SDHC_CLKC_CLK_DIV);
+
+ regmap_write(host->regmap, MESON_SDHC_CLK2,
+ FIELD_PREP(MESON_SDHC_CLK2_SD_CLK_PHASE, 1));
+
+ regmap_write(host->regmap, MESON_SDHC_PDMA,
+ MESON_SDHC_PDMA_DMA_URGENT |
+ FIELD_PREP(MESON_SDHC_PDMA_WR_BURST, 7) |
+ FIELD_PREP(MESON_SDHC_PDMA_TXFIFO_TH, 49) |
+ FIELD_PREP(MESON_SDHC_PDMA_RD_BURST, 15) |
+ FIELD_PREP(MESON_SDHC_PDMA_RXFIFO_TH, 7));
+
+ /* some initialization bits depend on the SoC: */
+ host->platform->init_hw(mmc);
+
+ /* disable and mask all interrupts: */
+ regmap_write(host->regmap, MESON_SDHC_ICTL, 0);
+ regmap_write(host->regmap, MESON_SDHC_ISTA, MESON_SDHC_ISTA_ALL_IRQS);
+}
+
+static int meson_mx_sdhc_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct meson_mx_sdhc_host *host;
+ struct mmc_host *mmc;
+ void __iomem *base;
+ int ret, irq;
+
+ mmc = mmc_alloc_host(sizeof(*host), dev);
+ if (!mmc)
+ return -ENOMEM;
+
+ ret = devm_add_action_or_reset(dev, (void(*)(void *))mmc_free_host,
+ mmc);
+ if (ret) {
+ dev_err(dev, "Failed to register mmc_free_host action\n");
+ return ret;
+ }
+
+ host = mmc_priv(mmc);
+ host->mmc = mmc;
+
+ platform_set_drvdata(pdev, host);
+
+ host->platform = device_get_match_data(dev);
+ if (!host->platform)
+ return -EINVAL;
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ host->regmap = devm_regmap_init_mmio(dev, base,
+ &meson_mx_sdhc_regmap_config);
+ if (IS_ERR(host->regmap))
+ return PTR_ERR(host->regmap);
+
+ host->pclk = devm_clk_get(dev, "pclk");
+ if (IS_ERR(host->pclk))
+ return PTR_ERR(host->pclk);
+
+ /* accessing any register requires the module clock to be enabled: */
+ ret = clk_prepare_enable(host->pclk);
+ if (ret) {
+ dev_err(dev, "Failed to enable 'pclk' clock\n");
+ return ret;
+ }
+
+ meson_mx_sdhc_init_hw(mmc);
+
+ ret = meson_mx_sdhc_register_clkc(dev, base, host->bulk_clks);
+ if (ret)
+ goto err_disable_pclk;
+
+ host->sd_clk = host->bulk_clks[1].clk;
+
+ /* Get regulators and the supported OCR mask */
+ ret = mmc_regulator_get_supply(mmc);
+ if (ret)
+ goto err_disable_pclk;
+
+ mmc->max_req_size = SZ_128K;
+ mmc->max_seg_size = mmc->max_req_size;
+ mmc->max_blk_count = FIELD_GET(MESON_SDHC_SEND_TOTAL_PACK, ~0);
+ mmc->max_blk_size = MESON_SDHC_MAX_BLK_SIZE;
+ mmc->max_busy_timeout = 30 * MSEC_PER_SEC;
+ mmc->f_min = clk_round_rate(host->sd_clk, 1);
+ mmc->f_max = clk_round_rate(host->sd_clk, ULONG_MAX);
+ mmc->max_current_180 = 300;
+ mmc->max_current_330 = 300;
+ mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_HW_RESET;
+ mmc->ops = &meson_mx_sdhc_ops;
+
+ ret = mmc_of_parse(mmc);
+ if (ret)
+ goto err_disable_pclk;
+
+ irq = platform_get_irq(pdev, 0);
+ ret = devm_request_threaded_irq(dev, irq, meson_mx_sdhc_irq,
+ meson_mx_sdhc_irq_thread, IRQF_ONESHOT,
+ NULL, host);
+ if (ret)
+ goto err_disable_pclk;
+
+ ret = mmc_add_host(mmc);
+ if (ret)
+ goto err_disable_pclk;
+
+ return 0;
+
+err_disable_pclk:
+ clk_disable_unprepare(host->pclk);
+ return ret;
+}
+
+static int meson_mx_sdhc_remove(struct platform_device *pdev)
+{
+ struct meson_mx_sdhc_host *host = platform_get_drvdata(pdev);
+
+ mmc_remove_host(host->mmc);
+
+ meson_mx_sdhc_disable_clks(host->mmc);
+
+ clk_disable_unprepare(host->pclk);
+
+ return 0;
+}
+
+static const struct meson_mx_sdhc_data meson_mx_sdhc_data_meson8 = {
+ .init_hw = meson_mx_sdhc_init_hw_meson8,
+ .set_pdma = meson_mx_sdhc_set_pdma_meson8,
+ .wait_before_send = meson_mx_sdhc_wait_before_send_meson8,
+ .hardware_flush_all_cmds = false,
+};
+
+static const struct meson_mx_sdhc_data meson_mx_sdhc_data_meson8m2 = {
+ .init_hw = meson_mx_sdhc_init_hw_meson8m2,
+ .set_pdma = meson_mx_sdhc_set_pdma_meson8m2,
+ .hardware_flush_all_cmds = true,
+};
+
+static const struct of_device_id meson_mx_sdhc_of_match[] = {
+ {
+ .compatible = "amlogic,meson8-sdhc",
+ .data = &meson_mx_sdhc_data_meson8
+ },
+ {
+ .compatible = "amlogic,meson8b-sdhc",
+ .data = &meson_mx_sdhc_data_meson8
+ },
+ {
+ .compatible = "amlogic,meson8m2-sdhc",
+ .data = &meson_mx_sdhc_data_meson8m2
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, meson_mx_sdhc_of_match);
+
+static struct platform_driver meson_mx_sdhc_driver = {
+ .probe = meson_mx_sdhc_probe,
+ .remove = meson_mx_sdhc_remove,
+ .driver = {
+ .name = "meson-mx-sdhc",
+ .of_match_table = of_match_ptr(meson_mx_sdhc_of_match),
+ },
+};
+
+module_platform_driver(meson_mx_sdhc_driver);
+
+MODULE_DESCRIPTION("Meson6, Meson8, Meson8b and Meson8m2 SDHC Host Driver");
+MODULE_AUTHOR("Martin Blumenstingl <martin.blumenstingl@googlemail.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/meson-mx-sdhc.h b/drivers/mmc/host/meson-mx-sdhc.h
new file mode 100644
index 000000000000..230e8fbe6b3f
--- /dev/null
+++ b/drivers/mmc/host/meson-mx-sdhc.h
@@ -0,0 +1,141 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+ */
+
+#ifndef _MESON_MX_SDHC_H_
+#define _MESON_MX_SDHC_H_
+
+#include <linux/bitfield.h>
+
+#define MESON_SDHC_ARGU 0x00
+
+#define MESON_SDHC_SEND 0x04
+ #define MESON_SDHC_SEND_CMD_INDEX GENMASK(5, 0)
+ #define MESON_SDHC_SEND_CMD_HAS_RESP BIT(6)
+ #define MESON_SDHC_SEND_CMD_HAS_DATA BIT(7)
+ #define MESON_SDHC_SEND_RESP_LEN BIT(8)
+ #define MESON_SDHC_SEND_RESP_NO_CRC BIT(9)
+ #define MESON_SDHC_SEND_DATA_DIR BIT(10)
+ #define MESON_SDHC_SEND_DATA_STOP BIT(11)
+ #define MESON_SDHC_SEND_R1B BIT(12)
+ #define MESON_SDHC_SEND_TOTAL_PACK GENMASK(31, 16)
+
+#define MESON_SDHC_CTRL 0x08
+ #define MESON_SDHC_CTRL_DAT_TYPE GENMASK(1, 0)
+ #define MESON_SDHC_CTRL_DDR_MODE BIT(2)
+ #define MESON_SDHC_CTRL_TX_CRC_NOCHECK BIT(3)
+ #define MESON_SDHC_CTRL_PACK_LEN GENMASK(12, 4)
+ #define MESON_SDHC_CTRL_RX_TIMEOUT GENMASK(19, 13)
+ #define MESON_SDHC_CTRL_RX_PERIOD GENMASK(23, 20)
+ #define MESON_SDHC_CTRL_RX_ENDIAN GENMASK(26, 24)
+ #define MESON_SDHC_CTRL_SDIO_IRQ_MODE BIT(27)
+ #define MESON_SDHC_CTRL_DAT0_IRQ_SEL BIT(28)
+ #define MESON_SDHC_CTRL_TX_ENDIAN GENMASK(31, 29)
+
+#define MESON_SDHC_STAT 0x0c
+ #define MESON_SDHC_STAT_CMD_BUSY BIT(0)
+ #define MESON_SDHC_STAT_DAT3_0 GENMASK(4, 1)
+ #define MESON_SDHC_STAT_CMD BIT(5)
+ #define MESON_SDHC_STAT_RXFIFO_CNT GENMASK(12, 6)
+ #define MESON_SDHC_STAT_TXFIFO_CNT GENMASK(19, 13)
+ #define MESON_SDHC_STAT_DAT7_4 GENMASK(23, 20)
+
+#define MESON_SDHC_CLKC 0x10
+ #define MESON_SDHC_CLKC_CLK_DIV GENMASK(11, 0)
+ #define MESON_SDHC_CLKC_CLK_JIC BIT(24)
+ #define MESON_SDHC_CLKC_MEM_PWR_OFF GENMASK(26, 25)
+
+#define MESON_SDHC_ADDR 0x14
+
+#define MESON_SDHC_PDMA 0x18
+ #define MESON_SDHC_PDMA_DMA_MODE BIT(0)
+ #define MESON_SDHC_PDMA_PIO_RDRESP GENMASK(3, 1)
+ #define MESON_SDHC_PDMA_DMA_URGENT BIT(4)
+ #define MESON_SDHC_PDMA_WR_BURST GENMASK(9, 5)
+ #define MESON_SDHC_PDMA_RD_BURST GENMASK(14, 10)
+ #define MESON_SDHC_PDMA_RXFIFO_TH GENMASK(21, 15)
+ #define MESON_SDHC_PDMA_TXFIFO_TH GENMASK(28, 22)
+ #define MESON_SDHC_PDMA_RXFIFO_MANUAL_FLUSH GENMASK(30, 29)
+ #define MESON_SDHC_PDMA_TXFIFO_FILL BIT(31)
+
+#define MESON_SDHC_MISC 0x1c
+ #define MESON_SDHC_MISC_WCRC_ERR_PATT GENMASK(6, 4)
+ #define MESON_SDHC_MISC_WCRC_OK_PATT GENMASK(9, 7)
+ #define MESON_SDHC_MISC_BURST_NUM GENMASK(21, 16)
+ #define MESON_SDHC_MISC_THREAD_ID GENMASK(27, 22)
+ #define MESON_SDHC_MISC_MANUAL_STOP BIT(28)
+ #define MESON_SDHC_MISC_TXSTART_THRES GENMASK(31, 29)
+
+#define MESON_SDHC_DATA 0x20
+
+#define MESON_SDHC_ICTL 0x24
+ #define MESON_SDHC_ICTL_RESP_OK BIT(0)
+ #define MESON_SDHC_ICTL_RESP_TIMEOUT BIT(1)
+ #define MESON_SDHC_ICTL_RESP_ERR_CRC BIT(2)
+ #define MESON_SDHC_ICTL_RESP_OK_NOCLEAR BIT(3)
+ #define MESON_SDHC_ICTL_DATA_1PACK_OK BIT(4)
+ #define MESON_SDHC_ICTL_DATA_TIMEOUT BIT(5)
+ #define MESON_SDHC_ICTL_DATA_ERR_CRC BIT(6)
+ #define MESON_SDHC_ICTL_DATA_XFER_OK BIT(7)
+ #define MESON_SDHC_ICTL_RX_HIGHER BIT(8)
+ #define MESON_SDHC_ICTL_RX_LOWER BIT(9)
+ #define MESON_SDHC_ICTL_DAT1_IRQ BIT(10)
+ #define MESON_SDHC_ICTL_DMA_DONE BIT(11)
+ #define MESON_SDHC_ICTL_RXFIFO_FULL BIT(12)
+ #define MESON_SDHC_ICTL_TXFIFO_EMPTY BIT(13)
+ #define MESON_SDHC_ICTL_ADDI_DAT1_IRQ BIT(14)
+ #define MESON_SDHC_ICTL_ALL_IRQS GENMASK(14, 0)
+ #define MESON_SDHC_ICTL_DAT1_IRQ_DELAY GENMASK(17, 16)
+
+#define MESON_SDHC_ISTA 0x28
+ #define MESON_SDHC_ISTA_RESP_OK BIT(0)
+ #define MESON_SDHC_ISTA_RESP_TIMEOUT BIT(1)
+ #define MESON_SDHC_ISTA_RESP_ERR_CRC BIT(2)
+ #define MESON_SDHC_ISTA_RESP_OK_NOCLEAR BIT(3)
+ #define MESON_SDHC_ISTA_DATA_1PACK_OK BIT(4)
+ #define MESON_SDHC_ISTA_DATA_TIMEOUT BIT(5)
+ #define MESON_SDHC_ISTA_DATA_ERR_CRC BIT(6)
+ #define MESON_SDHC_ISTA_DATA_XFER_OK BIT(7)
+ #define MESON_SDHC_ISTA_RX_HIGHER BIT(8)
+ #define MESON_SDHC_ISTA_RX_LOWER BIT(9)
+ #define MESON_SDHC_ISTA_DAT1_IRQ BIT(10)
+ #define MESON_SDHC_ISTA_DMA_DONE BIT(11)
+ #define MESON_SDHC_ISTA_RXFIFO_FULL BIT(12)
+ #define MESON_SDHC_ISTA_TXFIFO_EMPTY BIT(13)
+ #define MESON_SDHC_ISTA_ADDI_DAT1_IRQ BIT(14)
+ #define MESON_SDHC_ISTA_ALL_IRQS GENMASK(14, 0)
+
+#define MESON_SDHC_SRST 0x2c
+ #define MESON_SDHC_SRST_MAIN_CTRL BIT(0)
+ #define MESON_SDHC_SRST_RXFIFO BIT(1)
+ #define MESON_SDHC_SRST_TXFIFO BIT(2)
+ #define MESON_SDHC_SRST_DPHY_RX BIT(3)
+ #define MESON_SDHC_SRST_DPHY_TX BIT(4)
+ #define MESON_SDHC_SRST_DMA_IF BIT(5)
+
+#define MESON_SDHC_ESTA 0x30
+ #define MESON_SDHC_ESTA_11_13 GENMASK(13, 11)
+
+#define MESON_SDHC_ENHC 0x34
+ #define MESON_SDHC_ENHC_MESON8M2_WRRSP_MODE BIT(0)
+ #define MESON_SDHC_ENHC_MESON8M2_CHK_WRRSP BIT(1)
+ #define MESON_SDHC_ENHC_MESON8M2_CHK_DMA BIT(2)
+ #define MESON_SDHC_ENHC_MESON8M2_DEBUG GENMASK(5, 3)
+ #define MESON_SDHC_ENHC_MESON6_RX_TIMEOUT GENMASK(7, 0)
+ #define MESON_SDHC_ENHC_MESON6_DMA_RD_RESP BIT(16)
+ #define MESON_SDHC_ENHC_MESON6_DMA_WR_RESP BIT(17)
+ #define MESON_SDHC_ENHC_SDIO_IRQ_PERIOD GENMASK(15, 8)
+ #define MESON_SDHC_ENHC_RXFIFO_TH GENMASK(24, 18)
+ #define MESON_SDHC_ENHC_TXFIFO_TH GENMASK(31, 25)
+
+#define MESON_SDHC_CLK2 0x38
+ #define MESON_SDHC_CLK2_RX_CLK_PHASE GENMASK(11, 0)
+ #define MESON_SDHC_CLK2_SD_CLK_PHASE GENMASK(23, 12)
+
+struct clk_bulk_data;
+
+int meson_mx_sdhc_register_clkc(struct device *dev, void __iomem *base,
+ struct clk_bulk_data *clk_bulk_data);
+
+#endif /* _MESON_MX_SDHC_H_ */
diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c
index 8b038e7b2cd3..9b2cf7afc246 100644
--- a/drivers/mmc/host/meson-mx-sdio.c
+++ b/drivers/mmc/host/meson-mx-sdio.c
@@ -246,6 +246,9 @@ static void meson_mx_mmc_request_done(struct meson_mx_mmc_host *host)
mrq = host->mrq;
+ if (host->cmd->error)
+ meson_mx_mmc_soft_reset(host);
+
host->mrq = NULL;
host->cmd = NULL;
@@ -357,14 +360,6 @@ static void meson_mx_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
meson_mx_mmc_start_cmd(mmc, mrq->cmd);
}
-static int meson_mx_mmc_card_busy(struct mmc_host *mmc)
-{
- struct meson_mx_mmc_host *host = mmc_priv(mmc);
- u32 irqc = readl(host->base + MESON_MX_SDIO_IRQC);
-
- return !!(irqc & MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK);
-}
-
static void meson_mx_mmc_read_response(struct mmc_host *mmc,
struct mmc_command *cmd)
{
@@ -506,7 +501,6 @@ static void meson_mx_mmc_timeout(struct timer_list *t)
static struct mmc_host_ops meson_mx_mmc_ops = {
.request = meson_mx_mmc_request,
.set_ios = meson_mx_mmc_set_ios,
- .card_busy = meson_mx_mmc_card_busy,
.get_cd = mmc_gpio_get_cd,
.get_ro = mmc_gpio_get_ro,
};
@@ -570,7 +564,7 @@ static int meson_mx_mmc_add_host(struct meson_mx_mmc_host *host)
mmc->f_max = clk_round_rate(host->cfg_div_clk,
clk_get_rate(host->parent_clk));
- mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23;
+ mmc->caps |= MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY;
mmc->ops = &meson_mx_mmc_ops;
ret = mmc_of_parse(mmc);
diff --git a/drivers/mmc/host/mmc_hsq.c b/drivers/mmc/host/mmc_hsq.c
index b90b2c97b6cf..a5e05ed0fda3 100644
--- a/drivers/mmc/host/mmc_hsq.c
+++ b/drivers/mmc/host/mmc_hsq.c
@@ -16,11 +16,20 @@
#define HSQ_NUM_SLOTS 64
#define HSQ_INVALID_TAG HSQ_NUM_SLOTS
+static void mmc_hsq_retry_handler(struct work_struct *work)
+{
+ struct mmc_hsq *hsq = container_of(work, struct mmc_hsq, retry_work);
+ struct mmc_host *mmc = hsq->mmc;
+
+ mmc->ops->request(mmc, hsq->mrq);
+}
+
static void mmc_hsq_pump_requests(struct mmc_hsq *hsq)
{
struct mmc_host *mmc = hsq->mmc;
struct hsq_slot *slot;
unsigned long flags;
+ int ret = 0;
spin_lock_irqsave(&hsq->lock, flags);
@@ -42,7 +51,24 @@ static void mmc_hsq_pump_requests(struct mmc_hsq *hsq)
spin_unlock_irqrestore(&hsq->lock, flags);
- mmc->ops->request(mmc, hsq->mrq);
+ if (mmc->ops->request_atomic)
+ ret = mmc->ops->request_atomic(mmc, hsq->mrq);
+ else
+ mmc->ops->request(mmc, hsq->mrq);
+
+ /*
+ * If returning BUSY from request_atomic(), which means the card
+ * may be busy now, and we should change to non-atomic context to
+ * try again for this unusual case, to avoid time-consuming operations
+ * in the atomic context.
+ *
+ * Note: we just give a warning for other error cases, since the host
+ * driver will handle them.
+ */
+ if (ret == -EBUSY)
+ schedule_work(&hsq->retry_work);
+ else
+ WARN_ON_ONCE(ret);
}
static void mmc_hsq_update_next_tag(struct mmc_hsq *hsq, int remains)
@@ -325,6 +351,7 @@ int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc)
hsq->mmc->cqe_private = hsq;
mmc->cqe_ops = &mmc_hsq_ops;
+ INIT_WORK(&hsq->retry_work, mmc_hsq_retry_handler);
spin_lock_init(&hsq->lock);
init_waitqueue_head(&hsq->wait_queue);
diff --git a/drivers/mmc/host/mmc_hsq.h b/drivers/mmc/host/mmc_hsq.h
index 18b9cf55925f..ffdd9cd172c3 100644
--- a/drivers/mmc/host/mmc_hsq.h
+++ b/drivers/mmc/host/mmc_hsq.h
@@ -12,6 +12,7 @@ struct mmc_hsq {
wait_queue_head_t wait_queue;
struct hsq_slot *slot;
spinlock_t lock;
+ struct work_struct retry_work;
int next_tag;
int num_slots;
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 951f76dc1ddd..39bb1e30c2d7 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -77,14 +77,8 @@
#define MMC_SPI_BLOCKSIZE 512
-
-/* These fixed timeouts come from the latest SD specs, which say to ignore
- * the CSD values. The R1B value is for card erase (e.g. the "I forgot the
- * card's password" scenario); it's mostly applied to STOP_TRANSMISSION after
- * reads which takes nowhere near that long. Older cards may be able to use
- * shorter timeouts ... but why bother?
- */
-#define r1b_timeout (HZ * 3)
+#define MMC_SPI_R1B_TIMEOUT_MS 3000
+#define MMC_SPI_INIT_TIMEOUT_MS 3000
/* One of the critical speed parameters is the amount of data which may
* be transferred in one command. If this value is too low, the SD card
@@ -248,6 +242,7 @@ static char *maptype(struct mmc_command *cmd)
static int mmc_spi_response_get(struct mmc_spi_host *host,
struct mmc_command *cmd, int cs_on)
{
+ unsigned long timeout_ms;
u8 *cp = host->data->status;
u8 *end = cp + host->t.len;
int value = 0;
@@ -346,8 +341,11 @@ checkstatus:
/* maybe we read all the busy tokens already */
while (cp < end && *cp == 0)
cp++;
- if (cp == end)
- mmc_spi_wait_unbusy(host, r1b_timeout);
+ if (cp == end) {
+ timeout_ms = cmd->busy_timeout ? cmd->busy_timeout :
+ MMC_SPI_R1B_TIMEOUT_MS;
+ mmc_spi_wait_unbusy(host, msecs_to_jiffies(timeout_ms));
+ }
break;
/* SPI R2 == R1 + second status byte; SEND_STATUS
@@ -1118,7 +1116,7 @@ static void mmc_spi_initsequence(struct mmc_spi_host *host)
/* Try to be very sure any previous command has completed;
* wait till not-busy, skip debris from any old commands.
*/
- mmc_spi_wait_unbusy(host, r1b_timeout);
+ mmc_spi_wait_unbusy(host, msecs_to_jiffies(MMC_SPI_INIT_TIMEOUT_MS));
mmc_spi_readbytes(host, 10);
/*
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 647567def612..a69d6a0c2e15 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1861,31 +1861,17 @@ static int mmci_get_cd(struct mmc_host *mmc)
static int mmci_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct mmci_host *host = mmc_priv(mmc);
- int ret = 0;
-
- if (!IS_ERR(mmc->supply.vqmmc)) {
+ int ret;
- switch (ios->signal_voltage) {
- case MMC_SIGNAL_VOLTAGE_330:
- ret = regulator_set_voltage(mmc->supply.vqmmc,
- 2700000, 3600000);
- break;
- case MMC_SIGNAL_VOLTAGE_180:
- ret = regulator_set_voltage(mmc->supply.vqmmc,
- 1700000, 1950000);
- break;
- case MMC_SIGNAL_VOLTAGE_120:
- ret = regulator_set_voltage(mmc->supply.vqmmc,
- 1100000, 1300000);
- break;
- }
+ ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (!ret && host->ops && host->ops->post_sig_volt_switch)
- ret = host->ops->post_sig_volt_switch(host, ios);
+ if (!ret && host->ops && host->ops->post_sig_volt_switch)
+ ret = host->ops->post_sig_volt_switch(host, ios);
+ else if (ret)
+ ret = 0;
- if (ret)
- dev_warn(mmc_dev(mmc), "Voltage switch failed\n");
- }
+ if (ret < 0)
+ dev_warn(mmc_dev(mmc), "Voltage switch failed\n");
return ret;
}
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index d33e62bd6153..51db30acf4dc 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -119,20 +119,19 @@ static void sdmmc_idma_unprep_data(struct mmci_host *host,
static int sdmmc_idma_setup(struct mmci_host *host)
{
struct sdmmc_idma *idma;
+ struct device *dev = mmc_dev(host->mmc);
- idma = devm_kzalloc(mmc_dev(host->mmc), sizeof(*idma), GFP_KERNEL);
+ idma = devm_kzalloc(dev, sizeof(*idma), GFP_KERNEL);
if (!idma)
return -ENOMEM;
host->dma_priv = idma;
if (host->variant->dma_lli) {
- idma->sg_cpu = dmam_alloc_coherent(mmc_dev(host->mmc),
- SDMMC_LLI_BUF_LEN,
+ idma->sg_cpu = dmam_alloc_coherent(dev, SDMMC_LLI_BUF_LEN,
&idma->sg_dma, GFP_KERNEL);
if (!idma->sg_cpu) {
- dev_err(mmc_dev(host->mmc),
- "Failed to alloc IDMA descriptor\n");
+ dev_err(dev, "Failed to alloc IDMA descriptor\n");
return -ENOMEM;
}
host->mmc->max_segs = SDMMC_LLI_BUF_LEN /
@@ -143,7 +142,7 @@ static int sdmmc_idma_setup(struct mmci_host *host)
host->mmc->max_seg_size = host->mmc->max_req_size;
}
- return 0;
+ return dma_set_max_seg_size(dev, host->mmc->max_seg_size);
}
static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl)
@@ -188,6 +187,9 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl)
static void sdmmc_idma_finalize(struct mmci_host *host, struct mmc_data *data)
{
writel_relaxed(0, host->base + MMCI_STM32_IDMACTRLR);
+
+ if (!data->host_cookie)
+ sdmmc_idma_unprep_data(host, data, 0);
}
static void mmci_sdmmc_set_clkreg(struct mmci_host *host, unsigned int desired)
@@ -519,6 +521,7 @@ void sdmmc_variant_init(struct mmci_host *host)
struct sdmmc_dlyb *dlyb;
host->ops = &sdmmc_variant_ops;
+ host->pwr_reg = readl_relaxed(host->base + MMCIPOWER);
base_dlyb = devm_of_iomap(mmc_dev(host->mmc), np, 1, NULL);
if (IS_ERR(base_dlyb))
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index b221c02cc71f..39e7fc54c438 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1369,7 +1369,7 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width)
static int msdc_ops_switch_volt(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct msdc_host *host = mmc_priv(mmc);
- int ret = 0;
+ int ret;
if (!IS_ERR(mmc->supply.vqmmc)) {
if (ios->signal_voltage != MMC_SIGNAL_VOLTAGE_330 &&
@@ -1379,18 +1379,19 @@ static int msdc_ops_switch_volt(struct mmc_host *mmc, struct mmc_ios *ios)
}
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
dev_dbg(host->dev, "Regulator set error %d (%d)\n",
ret, ios->signal_voltage);
- } else {
- /* Apply different pinctrl settings for different signal voltage */
- if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_180)
- pinctrl_select_state(host->pinctrl, host->pins_uhs);
- else
- pinctrl_select_state(host->pinctrl, host->pins_default);
+ return ret;
}
+
+ /* Apply different pinctrl settings for different signal voltage */
+ if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_180)
+ pinctrl_select_state(host->pinctrl, host->pins_uhs);
+ else
+ pinctrl_select_state(host->pinctrl, host->pins_default);
}
- return ret;
+ return 0;
}
static int msdc_card_busy(struct mmc_host *mmc)
@@ -2325,7 +2326,7 @@ static int msdc_drv_probe(struct platform_device *pdev)
if (mmc->caps & MMC_CAP_SDIO_IRQ)
mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
- mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23;
+ mmc->caps |= MMC_CAP_CMD23;
/* MMC core transfer sizes tunable parameters */
mmc->max_segs = MAX_BD_NUM;
if (host->dev_comp->support_64g)
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 203b61712601..cc0752a9df6d 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -752,8 +752,6 @@ static int mvsd_probe(struct platform_device *pdev)
if (maxfreq)
mmc->f_max = maxfreq;
- mmc->caps |= MMC_CAP_ERASE;
-
spin_lock_init(&host->lock);
host->base = devm_platform_ioremap_resource(pdev, 0);
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index d82674aed447..b1820def36c0 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -634,8 +634,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
/* set mmc core parameters */
mmc->ops = &mxs_mmc_ops;
mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL | MMC_CAP_CMD23 |
- MMC_CAP_ERASE;
+ MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL | MMC_CAP_CMD23;
host->broken_cd = of_property_read_bool(np, "broken-cd");
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index d74e73c95fdf..33d7af7c7762 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1244,7 +1244,7 @@ static int mmc_omap_new_slot(struct mmc_omap_host *host, int id)
mmc->caps = 0;
if (host->pdata->slots[id].wires >= 4)
- mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_ERASE;
+ mmc->caps |= MMC_CAP_4_BIT_DATA;
mmc->ops = &mmc_omap_ops;
mmc->f_min = 400000;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index a379c45b985c..37b8740513f5 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1922,7 +1922,7 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
- MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE | MMC_CAP_CMD23;
+ MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_CMD23;
mmc->caps |= mmc_pdata(host)->caps;
if (mmc->caps & MMC_CAP_8_BIT_DATA)
diff --git a/drivers/mmc/host/owl-mmc.c b/drivers/mmc/host/owl-mmc.c
index 01ffe51f413d..5e20c099fe03 100644
--- a/drivers/mmc/host/owl-mmc.c
+++ b/drivers/mmc/host/owl-mmc.c
@@ -92,6 +92,8 @@
#define OWL_SD_STATE_RC16ER BIT(1)
#define OWL_SD_STATE_CRC7ER BIT(0)
+#define OWL_CMD_TIMEOUT_MS 30000
+
struct owl_mmc_host {
struct device *dev;
struct reset_control *reset;
@@ -172,6 +174,7 @@ static void owl_mmc_send_cmd(struct owl_mmc_host *owl_host,
struct mmc_command *cmd,
struct mmc_data *data)
{
+ unsigned long timeout;
u32 mode, state, resp[2];
u32 cmd_rsp_mask = 0;
@@ -239,7 +242,10 @@ static void owl_mmc_send_cmd(struct owl_mmc_host *owl_host,
if (data)
return;
- if (!wait_for_completion_timeout(&owl_host->sdc_complete, 30 * HZ)) {
+ timeout = msecs_to_jiffies(cmd->busy_timeout ? cmd->busy_timeout :
+ OWL_CMD_TIMEOUT_MS);
+
+ if (!wait_for_completion_timeout(&owl_host->sdc_complete, timeout)) {
dev_err(owl_host->dev, "CMD interrupt timeout\n");
cmd->error = -ETIMEDOUT;
return;
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index 2a4c83a5f32e..14c64caefc64 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -36,6 +36,7 @@ struct renesas_sdhi_of_data {
struct renesas_sdhi_quirks {
bool hs400_disabled;
bool hs400_4taps;
+ u32 hs400_bad_taps;
};
struct tmio_mmc_dma {
@@ -61,8 +62,10 @@ struct renesas_sdhi {
/* Tuning values: 1 for success, 0 for failure */
DECLARE_BITMAP(taps, BITS_PER_LONG);
+ /* Sampling data comparison: 1 for match, 0 for mismatch */
+ DECLARE_BITMAP(smpcmp, BITS_PER_LONG);
unsigned int tap_num;
- unsigned long tap_set;
+ unsigned int tap_set;
};
#define host_to_priv(host) \
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index df826661366f..15e21894bd44 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -24,6 +24,7 @@
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/pm_domain.h>
#include <linux/mmc/host.h>
#include <linux/mmc/slot-gpio.h>
#include <linux/mfd/tmio.h>
@@ -82,16 +83,11 @@ static int renesas_sdhi_clk_enable(struct tmio_mmc_host *host)
{
struct mmc_host *mmc = host->mmc;
struct renesas_sdhi *priv = host_to_priv(host);
- int ret = clk_prepare_enable(priv->clk);
-
- if (ret < 0)
- return ret;
+ int ret;
ret = clk_prepare_enable(priv->clk_cd);
- if (ret < 0) {
- clk_disable_unprepare(priv->clk);
+ if (ret < 0)
return ret;
- }
/*
* The clock driver may not know what maximum frequency
@@ -197,7 +193,6 @@ static void renesas_sdhi_clk_disable(struct tmio_mmc_host *host)
{
struct renesas_sdhi *priv = host_to_priv(host);
- clk_disable_unprepare(priv->clk);
clk_disable_unprepare(priv->clk_cd);
}
@@ -237,7 +232,7 @@ static int renesas_sdhi_start_signal_voltage_switch(struct mmc_host *mmc,
MMC_SIGNAL_VOLTAGE_330 ? 0 : -EINVAL;
ret = mmc_regulator_set_vqmmc(host->mmc, ios);
- if (ret)
+ if (ret < 0)
return ret;
return pinctrl_select_state(priv->pinctrl, pin_state);
@@ -325,6 +320,8 @@ static void renesas_sdhi_hs400_complete(struct mmc_host *mmc)
{
struct tmio_mmc_host *host = mmc_priv(mmc);
struct renesas_sdhi *priv = host_to_priv(host);
+ u32 bad_taps = priv->quirks ? priv->quirks->hs400_bad_taps : 0;
+ bool use_4tap = priv->quirks && priv->quirks->hs400_4taps;
sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~CLK_CTL_SCLKEN &
sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL));
@@ -352,10 +349,23 @@ static void renesas_sdhi_hs400_complete(struct mmc_host *mmc)
SH_MOBILE_SDHI_SCC_DTCNTL_TAPEN |
0x4 << SH_MOBILE_SDHI_SCC_DTCNTL_TAPNUM_SHIFT);
+ /* Avoid bad TAP */
+ if (bad_taps & BIT(priv->tap_set)) {
+ u32 new_tap = (priv->tap_set + 1) % priv->tap_num;
+
+ if (bad_taps & BIT(new_tap))
+ new_tap = (priv->tap_set - 1) % priv->tap_num;
- if (priv->quirks && priv->quirks->hs400_4taps)
- sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET,
- priv->tap_set / 2);
+ if (bad_taps & BIT(new_tap)) {
+ new_tap = priv->tap_set;
+ dev_dbg(&host->pdev->dev, "Can't handle three bad tap in a row\n");
+ }
+
+ priv->tap_set = new_tap;
+ }
+
+ sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET,
+ priv->tap_set / (use_4tap ? 2 : 1));
sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_CKSEL,
SH_MOBILE_SDHI_SCC_CKSEL_DTSEL |
@@ -422,20 +432,16 @@ static int renesas_sdhi_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_io
return 0;
}
-#define SH_MOBILE_SDHI_MAX_TAP 3
+#define SH_MOBILE_SDHI_MIN_TAP_ROW 3
static int renesas_sdhi_select_tuning(struct tmio_mmc_host *host)
{
struct renesas_sdhi *priv = host_to_priv(host);
- unsigned long tap_cnt; /* counter of tuning success */
- unsigned long tap_start;/* start position of tuning success */
- unsigned long tap_end; /* end position of tuning success */
- unsigned long ntap; /* temporary counter of tuning success */
- unsigned long i;
+ unsigned int tap_start = 0, tap_end = 0, tap_cnt = 0, rs, re, i;
+ unsigned int taps_size = priv->tap_num * 2, min_tap_row;
+ unsigned long *bitmap;
priv->doing_tune = false;
-
- /* Clear SCC_RVSREQ */
sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_RVSREQ, 0);
/*
@@ -443,42 +449,42 @@ static int renesas_sdhi_select_tuning(struct tmio_mmc_host *host)
* result requiring the tap to be good in both runs before
* considering it for tuning selection.
*/
- for (i = 0; i < priv->tap_num * 2; i++) {
+ for (i = 0; i < taps_size; i++) {
int offset = priv->tap_num * (i < priv->tap_num ? 1 : -1);
if (!test_bit(i, priv->taps))
clear_bit(i + offset, priv->taps);
+
+ if (!test_bit(i, priv->smpcmp))
+ clear_bit(i + offset, priv->smpcmp);
}
/*
- * Find the longest consecutive run of successful probes. If that
- * is more than SH_MOBILE_SDHI_MAX_TAP probes long then use the
- * center index as the tap.
+ * If all TAP are OK, the sampling clock position is selected by
+ * identifying the change point of data.
*/
- tap_cnt = 0;
- ntap = 0;
- tap_start = 0;
- tap_end = 0;
- for (i = 0; i < priv->tap_num * 2; i++) {
- if (test_bit(i, priv->taps)) {
- ntap++;
- } else {
- if (ntap > tap_cnt) {
- tap_start = i - ntap;
- tap_end = i - 1;
- tap_cnt = ntap;
- }
- ntap = 0;
- }
+ if (bitmap_full(priv->taps, taps_size)) {
+ bitmap = priv->smpcmp;
+ min_tap_row = 1;
+ } else {
+ bitmap = priv->taps;
+ min_tap_row = SH_MOBILE_SDHI_MIN_TAP_ROW;
}
- if (ntap > tap_cnt) {
- tap_start = i - ntap;
- tap_end = i - 1;
- tap_cnt = ntap;
+ /*
+ * Find the longest consecutive run of successful probes. If that
+ * is at least SH_MOBILE_SDHI_MIN_TAP_ROW probes long then use the
+ * center index as the tap, otherwise bail out.
+ */
+ bitmap_for_each_set_region(bitmap, rs, re, 0, taps_size) {
+ if (re - rs > tap_cnt) {
+ tap_end = re;
+ tap_start = rs;
+ tap_cnt = tap_end - tap_start;
+ }
}
- if (tap_cnt >= SH_MOBILE_SDHI_MAX_TAP)
+ if (tap_cnt >= min_tap_row)
priv->tap_set = (tap_start + tap_end) / 2 % priv->tap_num;
else
return -EIO;
@@ -511,6 +517,7 @@ static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
priv->doing_tune = true;
bitmap_zero(priv->taps, priv->tap_num * 2);
+ bitmap_zero(priv->smpcmp, priv->tap_num * 2);
/* Issue CMD19 twice for each tap */
for (i = 0; i < 2 * priv->tap_num; i++) {
@@ -519,6 +526,9 @@ static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
if (mmc_send_tuning(host->mmc, opcode, NULL) == 0)
set_bit(i, priv->taps);
+
+ if (sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_SMPCMP) == 0)
+ set_bit(i, priv->smpcmp);
}
return renesas_sdhi_select_tuning(host);
@@ -527,7 +537,7 @@ static int renesas_sdhi_execute_tuning(struct tmio_mmc_host *host, u32 opcode)
static bool renesas_sdhi_manual_correction(struct tmio_mmc_host *host, bool use_4tap)
{
struct renesas_sdhi *priv = host_to_priv(host);
- unsigned long new_tap = priv->tap_set;
+ unsigned int new_tap = priv->tap_set, error_tap = priv->tap_set;
u32 val;
val = sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_RVSREQ);
@@ -539,20 +549,32 @@ static bool renesas_sdhi_manual_correction(struct tmio_mmc_host *host, bool use_
/* Change TAP position according to correction status */
if (sd_ctrl_read16(host, CTL_VERSION) == SDHI_VER_GEN3_SDMMC &&
host->mmc->ios.timing == MMC_TIMING_MMC_HS400) {
+ u32 bad_taps = priv->quirks ? priv->quirks->hs400_bad_taps : 0;
/*
* With HS400, the DAT signal is based on DS, not CLK.
* Therefore, use only CMD status.
*/
u32 smpcmp = sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_SMPCMP) &
SH_MOBILE_SDHI_SCC_SMPCMP_CMD_ERR;
- if (!smpcmp)
+ if (!smpcmp) {
return false; /* no error in CMD signal */
- else if (smpcmp == SH_MOBILE_SDHI_SCC_SMPCMP_CMD_REQUP)
+ } else if (smpcmp == SH_MOBILE_SDHI_SCC_SMPCMP_CMD_REQUP) {
new_tap++;
- else if (smpcmp == SH_MOBILE_SDHI_SCC_SMPCMP_CMD_REQDOWN)
+ error_tap--;
+ } else if (smpcmp == SH_MOBILE_SDHI_SCC_SMPCMP_CMD_REQDOWN) {
new_tap--;
- else
+ error_tap++;
+ } else {
return true; /* need retune */
+ }
+
+ /*
+ * When new_tap is a bad tap, we cannot change. Then, we compare
+ * with the HS200 tuning result. When smpcmp[error_tap] is OK,
+ * we can at least retune.
+ */
+ if (bad_taps & BIT(new_tap % priv->tap_num))
+ return test_bit(error_tap % priv->tap_num, priv->smpcmp);
} else {
if (val & SH_MOBILE_SDHI_SCC_RVSREQ_RVSERR)
return true; /* need retune */
@@ -705,17 +727,35 @@ static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400 = {
static const struct renesas_sdhi_quirks sdhi_quirks_4tap = {
.hs400_4taps = true,
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
};
static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
.hs400_disabled = true,
};
+static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps1357 = {
+ .hs400_bad_taps = BIT(1) | BIT(3) | BIT(5) | BIT(7),
+};
+
+static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps2367 = {
+ .hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
+};
+
+/*
+ * Note for r8a7796 / r8a774a1: we can't distinguish ES1.1 and 1.2 as of now.
+ * So, we want to treat them equally and only have a match for ES1.2 to enforce
+ * this if there ever will be a way to distinguish ES1.2.
+ */
static const struct soc_device_attribute sdhi_quirks_match[] = {
{ .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
{ .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400 },
{ .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
+ { .soc_id = "r8a7795", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps2367 },
{ .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_4tap },
+ { .soc_id = "r8a7796", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps1357 },
+ { .soc_id = "r8a77965", .data = &sdhi_quirks_bad_taps2367 },
{ .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 },
{ /* Sentinel. */ },
};
@@ -860,6 +900,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
/* All SDHI have SDIO status bits which must be 1 */
mmc_data->flags |= TMIO_MMC_SDIO_STATUS_SETBITS;
+ dev_pm_domain_start(&pdev->dev);
+
ret = renesas_sdhi_clk_enable(host);
if (ret)
goto efree;
@@ -933,10 +975,8 @@ int renesas_sdhi_probe(struct platform_device *pdev,
goto eirq;
}
- dev_info(&pdev->dev, "%s base at 0x%08lx max clock rate %u MHz\n",
- mmc_hostname(host->mmc), (unsigned long)
- (platform_get_resource(pdev, IORESOURCE_MEM, 0)->start),
- host->mmc->f_max / 1000000);
+ dev_info(&pdev->dev, "%s base at %pa, max clock rate %u MHz\n",
+ mmc_hostname(host->mmc), &res->start, host->mmc->f_max / 1000000);
return ret;
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 11087976ab19..5a71f6678fd3 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -1347,7 +1347,7 @@ static void realtek_init_host(struct realtek_pci_sdmmc *host)
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST |
- MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_ERASE;
+ MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25;
mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE;
mmc->max_current_330 = 400;
mmc->max_current_180 = 800;
diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index 81d0dfe553a8..a7084c50ad65 100644
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -1314,7 +1314,7 @@ static void rtsx_usb_init_host(struct rtsx_usb_sdmmc *host)
mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST |
MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 | MMC_CAP_UHS_SDR50 |
- MMC_CAP_ERASE | MMC_CAP_SYNC_RUNTIME_PM;
+ MMC_CAP_SYNC_RUNTIME_PM;
mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE |
MMC_CAP2_NO_SDIO;
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 1e616ae56b13..444b2769ae2c 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -958,13 +958,6 @@ static int s3cmci_setup_data(struct s3cmci_host *host, struct mmc_data *data)
{
u32 dcon, imsk, stoptries = 3;
- /* write DCON register */
-
- if (!data) {
- writel(0, host->base + S3C2410_SDIDCON);
- return 0;
- }
-
if ((data->blksz & 3) != 0) {
/* We cannot deal with unaligned blocks with more than
* one block being transferred. */
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index faba53cf139b..d8b76cb8698a 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -605,10 +605,12 @@ static int sdhci_acpi_emmc_amd_probe_slot(struct platform_device *pdev,
}
static const struct sdhci_acpi_slot sdhci_acpi_slot_amd_emmc = {
- .chip = &sdhci_acpi_chip_amd,
- .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
- .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE |
- SDHCI_QUIRK_32BIT_ADMA_SIZE,
+ .chip = &sdhci_acpi_chip_amd,
+ .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+ .quirks = SDHCI_QUIRK_32BIT_DMA_ADDR |
+ SDHCI_QUIRK_32BIT_DMA_SIZE |
+ SDHCI_QUIRK_32BIT_ADMA_SIZE,
+ .quirks2 = SDHCI_QUIRK2_BROKEN_64_BIT_DMA,
.probe_slot = sdhci_acpi_emmc_amd_probe_slot,
};
diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c
index 6da6d4fb5edd..4a6c9ba82538 100644
--- a/drivers/mmc/host/sdhci-cadence.c
+++ b/drivers/mmc/host/sdhci-cadence.c
@@ -97,6 +97,11 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_priv *priv,
u32 tmp;
int ret;
+ ret = readl_poll_timeout(reg, tmp, !(tmp & SDHCI_CDNS_HRS04_ACK),
+ 0, 10);
+ if (ret)
+ return ret;
+
tmp = FIELD_PREP(SDHCI_CDNS_HRS04_WDATA, data) |
FIELD_PREP(SDHCI_CDNS_HRS04_ADDR, addr);
writel(tmp, reg);
@@ -111,7 +116,10 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_priv *priv,
tmp &= ~SDHCI_CDNS_HRS04_WR;
writel(tmp, reg);
- return 0;
+ ret = readl_poll_timeout(reg, tmp, !(tmp & SDHCI_CDNS_HRS04_ACK),
+ 0, 10);
+
+ return ret;
}
static unsigned int sdhci_cdns_phy_param_count(struct device_node *np)
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 5ec8e4bf1ac7..1d7f84b23a22 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -8,6 +8,7 @@
* Author: Wolfram Sang <kernel@pengutronix.de>
*/
+#include <linux/bitfield.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/delay.h>
@@ -89,7 +90,8 @@
#define ESDHC_STD_TUNING_EN (1 << 24)
/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
#define ESDHC_TUNING_START_TAP_DEFAULT 0x1
-#define ESDHC_TUNING_START_TAP_MASK 0xff
+#define ESDHC_TUNING_START_TAP_MASK 0x7f
+#define ESDHC_TUNING_CMD_CRC_CHECK_DISABLE (1 << 7)
#define ESDHC_TUNING_STEP_MASK 0x00070000
#define ESDHC_TUNING_STEP_SHIFT 16
@@ -214,6 +216,7 @@ static const struct esdhc_soc_data usdhc_imx6sl_data = {
static const struct esdhc_soc_data usdhc_imx6sll_data = {
.flags = ESDHC_FLAG_USDHC | ESDHC_FLAG_STD_TUNING
| ESDHC_FLAG_HAVE_CAP1 | ESDHC_FLAG_HS200
+ | ESDHC_FLAG_HS400
| ESDHC_FLAG_STATE_LOST_IN_LPMODE,
};
@@ -399,7 +402,8 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
val = SDHCI_SUPPORT_DDR50 | SDHCI_SUPPORT_SDR104
| SDHCI_SUPPORT_SDR50
| SDHCI_USE_SDR50_TUNING
- | (SDHCI_TUNING_MODE_3 << SDHCI_RETUNING_MODE_SHIFT);
+ | FIELD_PREP(SDHCI_RETUNING_MODE_MASK,
+ SDHCI_TUNING_MODE_3);
if (imx_data->socdata->flags & ESDHC_FLAG_HS400)
val |= SDHCI_SUPPORT_HS400;
@@ -417,9 +421,9 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg)
if (unlikely(reg == SDHCI_MAX_CURRENT) && esdhc_is_usdhc(imx_data)) {
val = 0;
- val |= 0xFF << SDHCI_MAX_CURRENT_330_SHIFT;
- val |= 0xFF << SDHCI_MAX_CURRENT_300_SHIFT;
- val |= 0xFF << SDHCI_MAX_CURRENT_180_SHIFT;
+ val |= FIELD_PREP(SDHCI_MAX_CURRENT_330_MASK, 0xFF);
+ val |= FIELD_PREP(SDHCI_MAX_CURRENT_300_MASK, 0xFF);
+ val |= FIELD_PREP(SDHCI_MAX_CURRENT_180_MASK, 0xFF);
}
if (unlikely(reg == SDHCI_INT_STATUS)) {
@@ -1313,6 +1317,18 @@ static void sdhci_esdhc_imx_hwinit(struct sdhci_host *host)
tmp |= imx_data->boarddata.tuning_step
<< ESDHC_TUNING_STEP_SHIFT;
}
+
+ /* Disable the CMD CRC check for tuning, if not, need to
+ * add some delay after every tuning command, because
+ * hardware standard tuning logic will directly go to next
+ * step once it detect the CMD CRC error, will not wait for
+ * the card side to finally send out the tuning data, trigger
+ * the buffer read ready interrupt immediately. If usdhc send
+ * the next tuning command some eMMC card will stuck, can't
+ * response, block the tuning procedure or the first command
+ * after the whole tuning procedure always can't get any response.
+ */
+ tmp |= ESDHC_TUNING_CMD_CRC_CHECK_DISABLE;
writel(tmp, host->ioaddr + ESDHC_TUNING_CTRL);
} else if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) {
/*
@@ -1596,6 +1612,10 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (esdhc_is_usdhc(imx_data)) {
host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN;
host->mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_3_3V_DDR;
+
+ /* GPIO CD can be set as a wakeup source */
+ host->mmc->caps |= MMC_CAP_CD_WAKE;
+
if (!(imx_data->socdata->flags & ESDHC_FLAG_HS200))
host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
@@ -1653,8 +1673,6 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (err)
goto disable_ahb_clk;
- host->tuning_delay = 1;
-
sdhci_esdhc_imx_hwinit(host);
err = sdhci_add_host(host);
@@ -1731,8 +1749,14 @@ static int sdhci_esdhc_suspend(struct device *dev)
mmc_retune_needed(host->mmc);
ret = sdhci_suspend_host(host);
- if (!ret)
- return pinctrl_pm_select_sleep_state(dev);
+ if (ret)
+ return ret;
+
+ ret = pinctrl_pm_select_sleep_state(dev);
+ if (ret)
+ return ret;
+
+ ret = mmc_gpio_set_cd_wake(host->mmc, true);
return ret;
}
@@ -1756,6 +1780,9 @@ static int sdhci_esdhc_resume(struct device *dev)
if (host->mmc->caps2 & MMC_CAP2_CQE)
ret = cqhci_resume(host->mmc);
+ if (!ret)
+ ret = mmc_gpio_set_cd_wake(host->mmc, false);
+
return ret;
}
#endif
diff --git a/drivers/mmc/host/sdhci-esdhc-mcf.c b/drivers/mmc/host/sdhci-esdhc-mcf.c
new file mode 100644
index 000000000000..71bf086a9812
--- /dev/null
+++ b/drivers/mmc/host/sdhci-esdhc-mcf.c
@@ -0,0 +1,521 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Freescale eSDHC ColdFire family controller driver, platform bus.
+ *
+ * Copyright (c) 2020 Timesys Corporation
+ * Author: Angelo Dureghello <angelo.dureghello@timesys.it>
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_data/mmc-esdhc-mcf.h>
+#include <linux/mmc/mmc.h>
+#include "sdhci-pltfm.h"
+#include "sdhci-esdhc.h"
+
+#define ESDHC_PROCTL_D3CD 0x08
+#define ESDHC_SYS_CTRL_DTOCV_MASK 0x0f
+#define ESDHC_DEFAULT_HOST_CONTROL 0x28
+
+/*
+ * Freescale eSDHC has DMA ERR flag at bit 28, not as std spec says, bit 25.
+ */
+#define ESDHC_INT_VENDOR_SPEC_DMA_ERR BIT(28)
+
+struct pltfm_mcf_data {
+ struct clk *clk_ipg;
+ struct clk *clk_ahb;
+ struct clk *clk_per;
+ int aside;
+ int current_bus_width;
+};
+
+static inline void esdhc_mcf_buffer_swap32(u32 *buf, int len)
+{
+ int i;
+ u32 temp;
+
+ len = (len + 3) >> 2;
+
+ for (i = 0; i < len; i++) {
+ temp = swab32(*buf);
+ *buf++ = temp;
+ }
+}
+
+static inline void esdhc_clrset_be(struct sdhci_host *host,
+ u32 mask, u32 val, int reg)
+{
+ void __iomem *base = host->ioaddr + (reg & ~3);
+ u8 shift = (reg & 3) << 3;
+
+ mask <<= shift;
+ val <<= shift;
+
+ if (reg == SDHCI_HOST_CONTROL)
+ val |= ESDHC_PROCTL_D3CD;
+
+ writel((readl(base) & ~mask) | val, base);
+}
+
+/*
+ * Note: mcf is big-endian, single bytes need to be accessed at big endian
+ * offsets.
+ */
+static void esdhc_mcf_writeb_be(struct sdhci_host *host, u8 val, int reg)
+{
+ void __iomem *base = host->ioaddr + (reg & ~3);
+ u8 shift = (reg & 3) << 3;
+ u32 mask = ~(0xff << shift);
+
+ if (reg == SDHCI_HOST_CONTROL) {
+ u32 host_ctrl = ESDHC_DEFAULT_HOST_CONTROL;
+ u8 dma_bits = (val & SDHCI_CTRL_DMA_MASK) >> 3;
+ u8 tmp = readb(host->ioaddr + SDHCI_HOST_CONTROL + 1);
+
+ tmp &= ~0x03;
+ tmp |= dma_bits;
+
+ /*
+ * Recomposition needed, restore always endianness and
+ * keep D3CD and AI, just setting bus width.
+ */
+ host_ctrl |= val;
+ host_ctrl |= (dma_bits << 8);
+ writel(host_ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
+
+ return;
+ }
+
+ writel((readl(base) & mask) | (val << shift), base);
+}
+
+static void esdhc_mcf_writew_be(struct sdhci_host *host, u16 val, int reg)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_mcf_data *mcf_data = sdhci_pltfm_priv(pltfm_host);
+ void __iomem *base = host->ioaddr + (reg & ~3);
+ u8 shift = (reg & 3) << 3;
+ u32 mask = ~(0xffff << shift);
+
+ switch (reg) {
+ case SDHCI_TRANSFER_MODE:
+ mcf_data->aside = val;
+ return;
+ case SDHCI_COMMAND:
+ if (host->cmd->opcode == MMC_STOP_TRANSMISSION)
+ val |= SDHCI_CMD_ABORTCMD;
+
+ /*
+ * As for the fsl driver,
+ * we have to set the mode in a single write here.
+ */
+ writel(val << 16 | mcf_data->aside,
+ host->ioaddr + SDHCI_TRANSFER_MODE);
+ return;
+ }
+
+ writel((readl(base) & mask) | (val << shift), base);
+}
+
+static void esdhc_mcf_writel_be(struct sdhci_host *host, u32 val, int reg)
+{
+ writel(val, host->ioaddr + reg);
+}
+
+static u8 esdhc_mcf_readb_be(struct sdhci_host *host, int reg)
+{
+ if (reg == SDHCI_HOST_CONTROL) {
+ u8 __iomem *base = host->ioaddr + (reg & ~3);
+ u16 val = readw(base + 2);
+ u8 dma_bits = (val >> 5) & SDHCI_CTRL_DMA_MASK;
+ u8 host_ctrl = val & 0xff;
+
+ host_ctrl &= ~SDHCI_CTRL_DMA_MASK;
+ host_ctrl |= dma_bits;
+
+ return host_ctrl;
+ }
+
+ return readb(host->ioaddr + (reg ^ 0x3));
+}
+
+static u16 esdhc_mcf_readw_be(struct sdhci_host *host, int reg)
+{
+ /*
+ * For SDHCI_HOST_VERSION, sdhci specs defines 0xFE,
+ * a wrong offset for us, we are at 0xFC.
+ */
+ if (reg == SDHCI_HOST_VERSION)
+ reg -= 2;
+
+ return readw(host->ioaddr + (reg ^ 0x2));
+}
+
+static u32 esdhc_mcf_readl_be(struct sdhci_host *host, int reg)
+{
+ u32 val;
+
+ val = readl(host->ioaddr + reg);
+
+ /*
+ * RM (25.3.9) sd pin clock must never exceed 25Mhz.
+ * So forcing legacy mode at 25Mhz.
+ */
+ if (unlikely(reg == SDHCI_CAPABILITIES))
+ val &= ~SDHCI_CAN_DO_HISPD;
+
+ if (unlikely(reg == SDHCI_INT_STATUS)) {
+ if (val & ESDHC_INT_VENDOR_SPEC_DMA_ERR) {
+ val &= ~ESDHC_INT_VENDOR_SPEC_DMA_ERR;
+ val |= SDHCI_INT_ADMA_ERROR;
+ }
+ }
+
+ return val;
+}
+
+static unsigned int esdhc_mcf_get_max_timeout_count(struct sdhci_host *host)
+{
+ return 1 << 27;
+}
+
+static void esdhc_mcf_set_timeout(struct sdhci_host *host,
+ struct mmc_command *cmd)
+{
+ /* Use maximum timeout counter */
+ esdhc_clrset_be(host, ESDHC_SYS_CTRL_DTOCV_MASK, 0xE,
+ SDHCI_TIMEOUT_CONTROL);
+}
+
+static void esdhc_mcf_reset(struct sdhci_host *host, u8 mask)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_mcf_data *mcf_data = sdhci_pltfm_priv(pltfm_host);
+
+ sdhci_reset(host, mask);
+
+ esdhc_clrset_be(host, ESDHC_CTRL_BUSWIDTH_MASK,
+ mcf_data->current_bus_width, SDHCI_HOST_CONTROL);
+
+ sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+ sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+}
+
+static unsigned int esdhc_mcf_pltfm_get_max_clock(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+
+ return pltfm_host->clock;
+}
+
+static unsigned int esdhc_mcf_pltfm_get_min_clock(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+
+ return pltfm_host->clock / 256 / 16;
+}
+
+static void esdhc_mcf_pltfm_set_clock(struct sdhci_host *host,
+ unsigned int clock)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ unsigned long *pll_dr = (unsigned long *)MCF_PLL_DR;
+ u32 fvco, fsys, fesdhc, temp;
+ const int sdclkfs[] = {2, 4, 8, 16, 32, 64, 128, 256};
+ int delta, old_delta = clock;
+ int i, q, ri, rq;
+
+ if (clock == 0) {
+ host->mmc->actual_clock = 0;
+ return;
+ }
+
+ /*
+ * ColdFire eSDHC clock.s
+ *
+ * pll -+-> / outdiv1 --> fsys
+ * +-> / outdiv3 --> eSDHC clock ---> / SDCCLKFS / DVS
+ *
+ * mcf5441x datasheet says:
+ * (8.1.2) eSDHC should be 40 MHz max
+ * (25.3.9) eSDHC input is, as example, 96 Mhz ...
+ * (25.3.9) sd pin clock must never exceed 25Mhz
+ *
+ * fvco = fsys * outdvi1 + 1
+ * fshdc = fvco / outdiv3 + 1
+ */
+ temp = readl(pll_dr);
+ fsys = pltfm_host->clock;
+ fvco = fsys * ((temp & 0x1f) + 1);
+ fesdhc = fvco / (((temp >> 10) & 0x1f) + 1);
+
+ for (i = 0; i < 8; ++i) {
+ int result = fesdhc / sdclkfs[i];
+
+ for (q = 1; q < 17; ++q) {
+ int finale = result / q;
+
+ delta = abs(clock - finale);
+
+ if (delta < old_delta) {
+ old_delta = delta;
+ ri = i;
+ rq = q;
+ }
+ }
+ }
+
+ /*
+ * Apply divisors and re-enable all the clocks
+ */
+ temp = ((sdclkfs[ri] >> 1) << 8) | ((rq - 1) << 4) |
+ (ESDHC_CLOCK_IPGEN | ESDHC_CLOCK_HCKEN | ESDHC_CLOCK_PEREN);
+ esdhc_clrset_be(host, 0x0000fff7, temp, SDHCI_CLOCK_CONTROL);
+
+ host->mmc->actual_clock = clock;
+
+ mdelay(1);
+}
+
+static void esdhc_mcf_pltfm_set_bus_width(struct sdhci_host *host, int width)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_mcf_data *mcf_data = sdhci_pltfm_priv(pltfm_host);
+
+ switch (width) {
+ case MMC_BUS_WIDTH_4:
+ mcf_data->current_bus_width = ESDHC_CTRL_4BITBUS;
+ break;
+ default:
+ mcf_data->current_bus_width = 0;
+ break;
+ }
+
+ esdhc_clrset_be(host, ESDHC_CTRL_BUSWIDTH_MASK,
+ mcf_data->current_bus_width, SDHCI_HOST_CONTROL);
+}
+
+static void esdhc_mcf_request_done(struct sdhci_host *host,
+ struct mmc_request *mrq)
+{
+ struct scatterlist *sg;
+ u32 *buffer;
+ int i;
+
+ if (!mrq->data || !mrq->data->bytes_xfered)
+ goto exit_done;
+
+ if (mmc_get_dma_dir(mrq->data) != DMA_FROM_DEVICE)
+ goto exit_done;
+
+ /*
+ * On mcf5441x there is no hw sdma option/flag to select the dma
+ * transfer endiannes. A swap after the transfer is needed.
+ */
+ for_each_sg(mrq->data->sg, sg, mrq->data->sg_len, i) {
+ buffer = (u32 *)sg_virt(sg);
+ esdhc_mcf_buffer_swap32(buffer, sg->length);
+ }
+
+exit_done:
+ mmc_request_done(host->mmc, mrq);
+}
+
+static void esdhc_mcf_copy_to_bounce_buffer(struct sdhci_host *host,
+ struct mmc_data *data,
+ unsigned int length)
+{
+ sg_copy_to_buffer(data->sg, data->sg_len,
+ host->bounce_buffer, length);
+
+ esdhc_mcf_buffer_swap32((u32 *)host->bounce_buffer,
+ data->blksz * data->blocks);
+}
+
+static struct sdhci_ops sdhci_esdhc_ops = {
+ .reset = esdhc_mcf_reset,
+ .set_clock = esdhc_mcf_pltfm_set_clock,
+ .get_max_clock = esdhc_mcf_pltfm_get_max_clock,
+ .get_min_clock = esdhc_mcf_pltfm_get_min_clock,
+ .set_bus_width = esdhc_mcf_pltfm_set_bus_width,
+ .get_max_timeout_count = esdhc_mcf_get_max_timeout_count,
+ .set_timeout = esdhc_mcf_set_timeout,
+ .write_b = esdhc_mcf_writeb_be,
+ .write_w = esdhc_mcf_writew_be,
+ .write_l = esdhc_mcf_writel_be,
+ .read_b = esdhc_mcf_readb_be,
+ .read_w = esdhc_mcf_readw_be,
+ .read_l = esdhc_mcf_readl_be,
+ .copy_to_bounce_buffer = esdhc_mcf_copy_to_bounce_buffer,
+ .request_done = esdhc_mcf_request_done,
+};
+
+static const struct sdhci_pltfm_data sdhci_esdhc_mcf_pdata = {
+ .ops = &sdhci_esdhc_ops,
+ .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_FORCE_DMA,
+ /*
+ * Mandatory quirk,
+ * controller does not support cmd23,
+ * without, on > 8G cards cmd23 is used, and
+ * driver times out.
+ */
+ SDHCI_QUIRK2_HOST_NO_CMD23,
+};
+
+static int esdhc_mcf_plat_init(struct sdhci_host *host,
+ struct pltfm_mcf_data *mcf_data)
+{
+ struct mcf_esdhc_platform_data *plat_data;
+
+ if (!host->mmc->parent->platform_data) {
+ dev_err(mmc_dev(host->mmc), "no platform data!\n");
+ return -EINVAL;
+ }
+
+ plat_data = (struct mcf_esdhc_platform_data *)
+ host->mmc->parent->platform_data;
+
+ /* Card_detect */
+ switch (plat_data->cd_type) {
+ default:
+ case ESDHC_CD_CONTROLLER:
+ /* We have a working card_detect back */
+ host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+ break;
+ case ESDHC_CD_PERMANENT:
+ host->mmc->caps |= MMC_CAP_NONREMOVABLE;
+ break;
+ case ESDHC_CD_NONE:
+ break;
+ }
+
+ switch (plat_data->max_bus_width) {
+ case 4:
+ host->mmc->caps |= MMC_CAP_4_BIT_DATA;
+ break;
+ case 1:
+ default:
+ host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
+ break;
+ }
+
+ return 0;
+}
+
+static int sdhci_esdhc_mcf_probe(struct platform_device *pdev)
+{
+ struct sdhci_host *host;
+ struct sdhci_pltfm_host *pltfm_host;
+ struct pltfm_mcf_data *mcf_data;
+ int err;
+
+ host = sdhci_pltfm_init(pdev, &sdhci_esdhc_mcf_pdata,
+ sizeof(*mcf_data));
+
+ if (IS_ERR(host))
+ return PTR_ERR(host);
+
+ pltfm_host = sdhci_priv(host);
+ mcf_data = sdhci_pltfm_priv(pltfm_host);
+
+ host->sdma_boundary = 0;
+
+ host->flags |= SDHCI_AUTO_CMD12;
+
+ mcf_data->clk_ipg = devm_clk_get(&pdev->dev, "ipg");
+ if (IS_ERR(mcf_data->clk_ipg)) {
+ err = PTR_ERR(mcf_data->clk_ipg);
+ goto err_exit;
+ }
+
+ mcf_data->clk_ahb = devm_clk_get(&pdev->dev, "ahb");
+ if (IS_ERR(mcf_data->clk_ahb)) {
+ err = PTR_ERR(mcf_data->clk_ahb);
+ goto err_exit;
+ }
+
+ mcf_data->clk_per = devm_clk_get(&pdev->dev, "per");
+ if (IS_ERR(mcf_data->clk_per)) {
+ err = PTR_ERR(mcf_data->clk_per);
+ goto err_exit;
+ }
+
+ pltfm_host->clk = mcf_data->clk_per;
+ pltfm_host->clock = clk_get_rate(pltfm_host->clk);
+ err = clk_prepare_enable(mcf_data->clk_per);
+ if (err)
+ goto err_exit;
+
+ err = clk_prepare_enable(mcf_data->clk_ipg);
+ if (err)
+ goto unprep_per;
+
+ err = clk_prepare_enable(mcf_data->clk_ahb);
+ if (err)
+ goto unprep_ipg;
+
+ err = esdhc_mcf_plat_init(host, mcf_data);
+ if (err)
+ goto unprep_ahb;
+
+ err = sdhci_setup_host(host);
+ if (err)
+ goto unprep_ahb;
+
+ if (!host->bounce_buffer) {
+ dev_err(&pdev->dev, "bounce buffer not allocated");
+ err = -ENOMEM;
+ goto cleanup;
+ }
+
+ err = __sdhci_add_host(host);
+ if (err)
+ goto cleanup;
+
+ return 0;
+
+cleanup:
+ sdhci_cleanup_host(host);
+unprep_ahb:
+ clk_disable_unprepare(mcf_data->clk_ahb);
+unprep_ipg:
+ clk_disable_unprepare(mcf_data->clk_ipg);
+unprep_per:
+ clk_disable_unprepare(mcf_data->clk_per);
+err_exit:
+ sdhci_pltfm_free(pdev);
+
+ return err;
+}
+
+static int sdhci_esdhc_mcf_remove(struct platform_device *pdev)
+{
+ struct sdhci_host *host = platform_get_drvdata(pdev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct pltfm_mcf_data *mcf_data = sdhci_pltfm_priv(pltfm_host);
+
+ sdhci_remove_host(host, 0);
+
+ clk_disable_unprepare(mcf_data->clk_ipg);
+ clk_disable_unprepare(mcf_data->clk_ahb);
+ clk_disable_unprepare(mcf_data->clk_per);
+
+ sdhci_pltfm_free(pdev);
+
+ return 0;
+}
+
+static struct platform_driver sdhci_esdhc_mcf_driver = {
+ .driver = {
+ .name = "sdhci-esdhc-mcf",
+ },
+ .probe = sdhci_esdhc_mcf_probe,
+ .remove = sdhci_esdhc_mcf_remove,
+};
+
+module_platform_driver(sdhci_esdhc_mcf_driver);
+
+MODULE_DESCRIPTION("SDHCI driver for Freescale ColdFire eSDHC");
+MODULE_AUTHOR("Angelo Dureghello <angelo.dureghello@timesys.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/sdhci-esdhc.h b/drivers/mmc/host/sdhci-esdhc.h
index 947212f16bc6..a30796e79b1c 100644
--- a/drivers/mmc/host/sdhci-esdhc.h
+++ b/drivers/mmc/host/sdhci-esdhc.h
@@ -5,7 +5,7 @@
* Copyright (c) 2007 Freescale Semiconductor, Inc.
* Copyright (c) 2009 MontaVista Software, Inc.
* Copyright (c) 2010 Pengutronix e.K.
- * Author: Wolfram Sang <w.sang@pengutronix.de>
+ * Author: Wolfram Sang <kernel@pengutronix.de>
*/
#ifndef _DRIVERS_MMC_SDHCI_ESDHC_H
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 09ff7315eb5e..b277dd7fbdb5 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -10,6 +10,7 @@
#include <linux/delay.h>
#include <linux/mmc/mmc.h>
#include <linux/pm_runtime.h>
+#include <linux/pm_opp.h>
#include <linux/slab.h>
#include <linux/iopoll.h>
#include <linux/regulator/consumer.h>
@@ -56,19 +57,27 @@
#define CORE_FLL_CYCLE_CNT BIT(18)
#define CORE_DLL_CLOCK_DISABLE BIT(21)
-#define CORE_VENDOR_SPEC_POR_VAL 0xa1c
+#define DLL_USR_CTL_POR_VAL 0x10800
+#define ENABLE_DLL_LOCK_STATUS BIT(26)
+#define FINE_TUNE_MODE_EN BIT(27)
+#define BIAS_OK_SIGNAL BIT(29)
+
+#define DLL_CONFIG_3_LOW_FREQ_VAL 0x08
+#define DLL_CONFIG_3_HIGH_FREQ_VAL 0x10
+
+#define CORE_VENDOR_SPEC_POR_VAL 0xa9c
#define CORE_CLK_PWRSAVE BIT(1)
#define CORE_HC_MCLK_SEL_DFLT (2 << 8)
#define CORE_HC_MCLK_SEL_HS400 (3 << 8)
#define CORE_HC_MCLK_SEL_MASK (3 << 8)
-#define CORE_IO_PAD_PWR_SWITCH_EN (1 << 15)
-#define CORE_IO_PAD_PWR_SWITCH (1 << 16)
+#define CORE_IO_PAD_PWR_SWITCH_EN BIT(15)
+#define CORE_IO_PAD_PWR_SWITCH BIT(16)
#define CORE_HC_SELECT_IN_EN BIT(18)
#define CORE_HC_SELECT_IN_HS400 (6 << 19)
#define CORE_HC_SELECT_IN_MASK (7 << 19)
-#define CORE_3_0V_SUPPORT (1 << 25)
-#define CORE_1_8V_SUPPORT (1 << 26)
+#define CORE_3_0V_SUPPORT BIT(25)
+#define CORE_1_8V_SUPPORT BIT(26)
#define CORE_VOLT_SUPPORT (CORE_3_0V_SUPPORT | CORE_1_8V_SUPPORT)
#define CORE_CSR_CDC_CTLR_CFG0 0x130
@@ -156,6 +165,7 @@ struct sdhci_msm_offset {
u32 core_dll_config_3;
u32 core_ddr_config_old; /* Applicable to sdcc minor ver < 0x49 */
u32 core_ddr_config;
+ u32 core_dll_usr_ctl; /* Present on SDCC5.1 onwards */
};
static const struct sdhci_msm_offset sdhci_msm_v5_offset = {
@@ -185,6 +195,7 @@ static const struct sdhci_msm_offset sdhci_msm_v5_offset = {
.core_dll_config_2 = 0x254,
.core_dll_config_3 = 0x258,
.core_ddr_config = 0x25c,
+ .core_dll_usr_ctl = 0x388,
};
static const struct sdhci_msm_offset sdhci_msm_mci_offset = {
@@ -230,6 +241,7 @@ struct sdhci_msm_variant_ops {
struct sdhci_msm_variant_info {
bool mci_removed;
bool restore_dll_config;
+ bool uses_tassadar_dll;
const struct sdhci_msm_variant_ops *var_ops;
const struct sdhci_msm_offset *offset;
};
@@ -243,6 +255,8 @@ struct sdhci_msm_host {
struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */
unsigned long clk_rate;
struct mmc_host *mmc;
+ struct opp_table *opp_table;
+ bool has_opp_table;
bool use_14lpp_dll_reset;
bool tuning_done;
bool calibration_done;
@@ -260,6 +274,9 @@ struct sdhci_msm_host {
bool use_cdr;
u32 transfer_mode;
bool updated_ddr_cfg;
+ bool uses_tassadar_dll;
+ u32 dll_config;
+ u32 ddr_config;
};
static const struct sdhci_msm_offset *sdhci_priv_msm_offset(struct sdhci_host *host)
@@ -332,7 +349,7 @@ static void msm_set_clock_rate_for_bus_mode(struct sdhci_host *host,
int rc;
clock = msm_get_clock_rate_for_bus_mode(host, clock);
- rc = clk_set_rate(core_clk, clock);
+ rc = dev_pm_opp_set_rate(mmc_dev(host->mmc), clock);
if (rc) {
pr_err("%s: Failed to set clock at rate %u at timing %d\n",
mmc_hostname(host->mmc), clock,
@@ -601,6 +618,9 @@ static int msm_init_cm_dll(struct sdhci_host *host)
config &= ~CORE_CLK_PWRSAVE;
writel_relaxed(config, host->ioaddr + msm_offset->core_vendor_spec);
+ config = msm_host->dll_config;
+ writel_relaxed(config, host->ioaddr + msm_offset->core_dll_config);
+
if (msm_host->use_14lpp_dll_reset) {
config = readl_relaxed(host->ioaddr +
msm_offset->core_dll_config);
@@ -626,7 +646,9 @@ static int msm_init_cm_dll(struct sdhci_host *host)
config |= CORE_DLL_PDN;
writel_relaxed(config, host->ioaddr +
msm_offset->core_dll_config);
- msm_cm_dll_set_freq(host);
+
+ if (!msm_host->dll_config)
+ msm_cm_dll_set_freq(host);
if (msm_host->use_14lpp_dll_reset &&
!IS_ERR_OR_NULL(msm_host->xo_clk)) {
@@ -666,7 +688,8 @@ static int msm_init_cm_dll(struct sdhci_host *host)
msm_offset->core_dll_config);
if (msm_host->use_14lpp_dll_reset) {
- msm_cm_dll_set_freq(host);
+ if (!msm_host->dll_config)
+ msm_cm_dll_set_freq(host);
config = readl_relaxed(host->ioaddr +
msm_offset->core_dll_config_2);
config &= ~CORE_DLL_CLOCK_DISABLE;
@@ -674,6 +697,27 @@ static int msm_init_cm_dll(struct sdhci_host *host)
msm_offset->core_dll_config_2);
}
+ /*
+ * Configure DLL user control register to enable DLL status.
+ * This setting is applicable to SDCC v5.1 onwards only.
+ */
+ if (msm_host->uses_tassadar_dll) {
+ config = DLL_USR_CTL_POR_VAL | FINE_TUNE_MODE_EN |
+ ENABLE_DLL_LOCK_STATUS | BIAS_OK_SIGNAL;
+ writel_relaxed(config, host->ioaddr +
+ msm_offset->core_dll_usr_ctl);
+
+ config = readl_relaxed(host->ioaddr +
+ msm_offset->core_dll_config_3);
+ config &= ~0xFF;
+ if (msm_host->clk_rate < 150000000)
+ config |= DLL_CONFIG_3_LOW_FREQ_VAL;
+ else
+ config |= DLL_CONFIG_3_HIGH_FREQ_VAL;
+ writel_relaxed(config, host->ioaddr +
+ msm_offset->core_dll_config_3);
+ }
+
config = readl_relaxed(host->ioaddr +
msm_offset->core_dll_config);
config |= CORE_DLL_EN;
@@ -951,7 +995,7 @@ static int sdhci_msm_cm_dll_sdc4_calibration(struct sdhci_host *host)
ddr_cfg_offset = msm_offset->core_ddr_config;
else
ddr_cfg_offset = msm_offset->core_ddr_config_old;
- writel_relaxed(DDR_CONFIG_POR_VAL, host->ioaddr + ddr_cfg_offset);
+ writel_relaxed(msm_host->ddr_config, host->ioaddr + ddr_cfg_offset);
if (mmc->ios.enhanced_strobe) {
config = readl_relaxed(host->ioaddr +
@@ -1130,6 +1174,12 @@ static int sdhci_msm_execute_tuning(struct mmc_host *mmc, u32 opcode)
msm_host->use_cdr = true;
/*
+ * Clear tuning_done flag before tuning to ensure proper
+ * HS400 settings.
+ */
+ msm_host->tuning_done = 0;
+
+ /*
* For HS400 tuning in HS200 timing requires:
* - select MCLK/2 in VENDOR_SPEC
* - program MCLK to 400MHz (or nearest supported) in GCC
@@ -1830,6 +1880,36 @@ static void sdhci_msm_reset(struct sdhci_host *host, u8 mask)
sdhci_reset(host, mask);
}
+#define DRIVER_NAME "sdhci_msm"
+#define SDHCI_MSM_DUMP(f, x...) \
+ pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
+
+void sdhci_msm_dump_vendor_regs(struct sdhci_host *host)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+ const struct sdhci_msm_offset *msm_offset = msm_host->offset;
+
+ SDHCI_MSM_DUMP("----------- VENDOR REGISTER DUMP -----------\n");
+
+ SDHCI_MSM_DUMP(
+ "DLL sts: 0x%08x | DLL cfg: 0x%08x | DLL cfg2: 0x%08x\n",
+ readl_relaxed(host->ioaddr + msm_offset->core_dll_status),
+ readl_relaxed(host->ioaddr + msm_offset->core_dll_config),
+ readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2));
+ SDHCI_MSM_DUMP(
+ "DLL cfg3: 0x%08x | DLL usr ctl: 0x%08x | DDR cfg: 0x%08x\n",
+ readl_relaxed(host->ioaddr + msm_offset->core_dll_config_3),
+ readl_relaxed(host->ioaddr + msm_offset->core_dll_usr_ctl),
+ readl_relaxed(host->ioaddr + msm_offset->core_ddr_config));
+ SDHCI_MSM_DUMP(
+ "Vndr func: 0x%08x | Vndr func2 : 0x%08x Vndr func3: 0x%08x\n",
+ readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec),
+ readl_relaxed(host->ioaddr +
+ msm_offset->core_vendor_spec_func2),
+ readl_relaxed(host->ioaddr + msm_offset->core_vendor_spec3));
+}
+
static const struct sdhci_msm_variant_ops mci_var_ops = {
.msm_readl_relaxed = sdhci_msm_mci_variant_readl_relaxed,
.msm_writel_relaxed = sdhci_msm_mci_variant_writel_relaxed,
@@ -1858,10 +1938,18 @@ static const struct sdhci_msm_variant_info sdm845_sdhci_var = {
.offset = &sdhci_msm_v5_offset,
};
+static const struct sdhci_msm_variant_info sm8250_sdhci_var = {
+ .mci_removed = true,
+ .uses_tassadar_dll = true,
+ .var_ops = &v5_var_ops,
+ .offset = &sdhci_msm_v5_offset,
+};
+
static const struct of_device_id sdhci_msm_dt_match[] = {
{.compatible = "qcom,sdhci-msm-v4", .data = &sdhci_msm_mci_var},
{.compatible = "qcom,sdhci-msm-v5", .data = &sdhci_msm_v5_var},
{.compatible = "qcom,sdm845-sdhci", .data = &sdm845_sdhci_var},
+ {.compatible = "qcom,sm8250-sdhci", .data = &sm8250_sdhci_var},
{},
};
@@ -1877,16 +1965,34 @@ static const struct sdhci_ops sdhci_msm_ops = {
.write_w = sdhci_msm_writew,
.write_b = sdhci_msm_writeb,
.irq = sdhci_msm_cqe_irq,
+ .dump_vendor_regs = sdhci_msm_dump_vendor_regs,
};
static const struct sdhci_pltfm_data sdhci_msm_pdata = {
.quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION |
SDHCI_QUIRK_SINGLE_POWER_WRITE |
- SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
.ops = &sdhci_msm_ops,
};
+static inline void sdhci_msm_get_of_property(struct platform_device *pdev,
+ struct sdhci_host *host)
+{
+ struct device_node *node = pdev->dev.of_node;
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+
+ if (of_property_read_u32(node, "qcom,ddr-config",
+ &msm_host->ddr_config))
+ msm_host->ddr_config = DDR_CONFIG_POR_VAL;
+
+ of_property_read_u32(node, "qcom,dll-config", &msm_host->dll_config);
+}
+
+
static int sdhci_msm_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
@@ -1925,10 +2031,12 @@ static int sdhci_msm_probe(struct platform_device *pdev)
msm_host->restore_dll_config = var_info->restore_dll_config;
msm_host->var_ops = var_info->var_ops;
msm_host->offset = var_info->offset;
+ msm_host->uses_tassadar_dll = var_info->uses_tassadar_dll;
msm_offset = msm_host->offset;
sdhci_get_of_property(pdev);
+ sdhci_msm_get_of_property(pdev, host);
msm_host->saved_tuning_phase = INVALID_TUNING_PHASE;
@@ -1962,8 +2070,23 @@ static int sdhci_msm_probe(struct platform_device *pdev)
}
msm_host->bulk_clks[0].clk = clk;
+ msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "core");
+ if (IS_ERR(msm_host->opp_table)) {
+ ret = PTR_ERR(msm_host->opp_table);
+ goto bus_clk_disable;
+ }
+
+ /* OPP table is optional */
+ ret = dev_pm_opp_of_add_table(&pdev->dev);
+ if (!ret) {
+ msm_host->has_opp_table = true;
+ } else if (ret != -ENODEV) {
+ dev_err(&pdev->dev, "Invalid OPP table in Device tree\n");
+ goto opp_cleanup;
+ }
+
/* Vote for maximum clock rate for maximum performance */
- ret = clk_set_rate(clk, INT_MAX);
+ ret = dev_pm_opp_set_rate(&pdev->dev, INT_MAX);
if (ret)
dev_warn(&pdev->dev, "core clock boost failed\n");
@@ -1980,7 +2103,7 @@ static int sdhci_msm_probe(struct platform_device *pdev)
ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
if (ret)
- goto bus_clk_disable;
+ goto opp_cleanup;
/*
* xo clock is needed for FLL feature of cm_dll.
@@ -2087,6 +2210,8 @@ static int sdhci_msm_probe(struct platform_device *pdev)
goto clk_disable;
}
+ msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;
+
pm_runtime_get_noresume(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
@@ -2115,6 +2240,10 @@ pm_runtime_disable:
clk_disable:
clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
+opp_cleanup:
+ if (msm_host->has_opp_table)
+ dev_pm_opp_of_remove_table(&pdev->dev);
+ dev_pm_opp_put_clkname(msm_host->opp_table);
bus_clk_disable:
if (!IS_ERR(msm_host->bus_clk))
clk_disable_unprepare(msm_host->bus_clk);
@@ -2133,6 +2262,9 @@ static int sdhci_msm_remove(struct platform_device *pdev)
sdhci_remove_host(host, dead);
+ if (msm_host->has_opp_table)
+ dev_pm_opp_of_remove_table(&pdev->dev);
+ dev_pm_opp_put_clkname(msm_host->opp_table);
pm_runtime_get_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
@@ -2151,6 +2283,8 @@ static __maybe_unused int sdhci_msm_runtime_suspend(struct device *dev)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
+ /* Drop the performance vote */
+ dev_pm_opp_set_rate(dev, 0);
clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
@@ -2173,9 +2307,11 @@ static __maybe_unused int sdhci_msm_runtime_resume(struct device *dev)
* restore the SDR DLL settings when the clock is ungated.
*/
if (msm_host->restore_dll_config && msm_host->clk_rate)
- return sdhci_msm_restore_sdr_dll_config(host);
+ ret = sdhci_msm_restore_sdr_dll_config(host);
- return 0;
+ dev_pm_opp_set_rate(dev, msm_host->clk_rate);
+
+ return ret;
}
static const struct dev_pm_ops sdhci_msm_pm_ops = {
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index d4905c106c06..2a4c8a2f3e64 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -28,15 +28,26 @@
#include "sdhci-pltfm.h"
#define SDHCI_ARASAN_VENDOR_REGISTER 0x78
+
+#define SDHCI_ARASAN_ITAPDLY_REGISTER 0xF0F8
+#define SDHCI_ARASAN_OTAPDLY_REGISTER 0xF0FC
+
#define SDHCI_ARASAN_CQE_BASE_ADDR 0x200
#define VENDOR_ENHANCED_STROBE BIT(0)
#define PHY_CLK_TOO_SLOW_HZ 400000
+#define SDHCI_ITAPDLY_CHGWIN 0x200
+#define SDHCI_ITAPDLY_ENABLE 0x100
+#define SDHCI_OTAPDLY_ENABLE 0x40
+
/* Default settings for ZynqMP Clock Phases */
#define ZYNQMP_ICLK_PHASE {0, 63, 63, 0, 63, 0, 0, 183, 54, 0, 0}
#define ZYNQMP_OCLK_PHASE {0, 72, 60, 0, 60, 72, 135, 48, 72, 135, 0}
+#define VERSAL_ICLK_PHASE {0, 132, 132, 0, 132, 0, 0, 162, 90, 0, 0}
+#define VERSAL_OCLK_PHASE {0, 60, 48, 0, 48, 72, 90, 36, 60, 90, 0}
+
/*
* On some SoCs the syscon area has a feature where the upper 16-bits of
* each 32-bit register act as a write mask for the lower 16-bits. This allows
@@ -62,22 +73,36 @@ struct sdhci_arasan_soc_ctl_field {
/**
* struct sdhci_arasan_soc_ctl_map - Map in syscon to corecfg registers
*
- * It's up to the licensee of the Arsan IP block to make these available
- * somewhere if needed. Presumably these will be scattered somewhere that's
- * accessible via the syscon API.
- *
* @baseclkfreq: Where to find corecfg_baseclkfreq
* @clockmultiplier: Where to find corecfg_clockmultiplier
+ * @support64b: Where to find SUPPORT64B bit
* @hiword_update: If true, use HIWORD_UPDATE to access the syscon
+ *
+ * It's up to the licensee of the Arsan IP block to make these available
+ * somewhere if needed. Presumably these will be scattered somewhere that's
+ * accessible via the syscon API.
*/
struct sdhci_arasan_soc_ctl_map {
struct sdhci_arasan_soc_ctl_field baseclkfreq;
struct sdhci_arasan_soc_ctl_field clockmultiplier;
+ struct sdhci_arasan_soc_ctl_field support64b;
bool hiword_update;
};
/**
- * struct sdhci_arasan_clk_data
+ * struct sdhci_arasan_clk_ops - Clock Operations for Arasan SD controller
+ *
+ * @sdcardclk_ops: The output clock related operations
+ * @sampleclk_ops: The sample clock related operations
+ */
+struct sdhci_arasan_clk_ops {
+ const struct clk_ops *sdcardclk_ops;
+ const struct clk_ops *sampleclk_ops;
+};
+
+/**
+ * struct sdhci_arasan_clk_data - Arasan Controller Clock Data.
+ *
* @sdcardclk_hw: Struct for the clock we might provide to a PHY.
* @sdcardclk: Pointer to normal 'struct clock' for sdcardclk_hw.
* @sampleclk_hw: Struct for the clock we might provide to a PHY.
@@ -103,14 +128,18 @@ struct sdhci_arasan_zynqmp_clk_data {
};
/**
- * struct sdhci_arasan_data
+ * struct sdhci_arasan_data - Arasan Controller Data
+ *
* @host: Pointer to the main SDHCI host structure.
* @clk_ahb: Pointer to the AHB clock
* @phy: Pointer to the generic phy
* @is_phy_on: True if the PHY is on; false if not.
+ * @has_cqe: True if controller has command queuing engine.
* @clk_data: Struct for the Arasan Controller Clock Data.
+ * @clk_ops: Struct for the Arasan Controller Clock Operations.
* @soc_ctl_base: Pointer to regmap for syscon for soc_ctl registers.
* @soc_ctl_map: Map to get offsets into soc_ctl registers.
+ * @quirks: Arasan deviations from spec.
*/
struct sdhci_arasan_data {
struct sdhci_host *host;
@@ -120,10 +149,11 @@ struct sdhci_arasan_data {
bool has_cqe;
struct sdhci_arasan_clk_data clk_data;
+ const struct sdhci_arasan_clk_ops *clk_ops;
struct regmap *soc_ctl_base;
const struct sdhci_arasan_soc_ctl_map *soc_ctl_map;
- unsigned int quirks; /* Arasan deviations from spec */
+ unsigned int quirks;
/* Controller does not have CD wired and will not function normally without */
#define SDHCI_ARASAN_QUIRK_FORCE_CDTEST BIT(0)
@@ -135,6 +165,7 @@ struct sdhci_arasan_data {
struct sdhci_arasan_of_data {
const struct sdhci_arasan_soc_ctl_map *soc_ctl_map;
const struct sdhci_pltfm_data *pdata;
+ const struct sdhci_arasan_clk_ops *clk_ops;
};
static const struct sdhci_arasan_soc_ctl_map rk3399_soc_ctl_map = {
@@ -155,17 +186,26 @@ static const struct sdhci_arasan_soc_ctl_map intel_lgm_sdxc_soc_ctl_map = {
.hiword_update = false,
};
+static const struct sdhci_arasan_soc_ctl_map intel_keembay_soc_ctl_map = {
+ .baseclkfreq = { .reg = 0x0, .width = 8, .shift = 14 },
+ .clockmultiplier = { .reg = 0x4, .width = 8, .shift = 14 },
+ .support64b = { .reg = 0x4, .width = 1, .shift = 24 },
+ .hiword_update = false,
+};
+
/**
* sdhci_arasan_syscon_write - Write to a field in soc_ctl registers
*
+ * @host: The sdhci_host
+ * @fld: The field to write to
+ * @val: The value to write
+ *
* This function allows writing to fields in sdhci_arasan_soc_ctl_map.
* Note that if a field is specified as not available (shift < 0) then
* this function will silently return an error code. It will be noisy
* and print errors for any other (unexpected) errors.
*
- * @host: The sdhci_host
- * @fld: The field to write to
- * @val: The value to write
+ * Return: 0 on success and error value on error
*/
static int sdhci_arasan_syscon_write(struct sdhci_host *host,
const struct sdhci_arasan_soc_ctl_field *fld,
@@ -335,29 +375,6 @@ static const struct sdhci_ops sdhci_arasan_ops = {
.set_power = sdhci_set_power_and_bus_voltage,
};
-static const struct sdhci_pltfm_data sdhci_arasan_pdata = {
- .ops = &sdhci_arasan_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
- SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
- SDHCI_QUIRK2_STOP_WITH_TC,
-};
-
-static struct sdhci_arasan_of_data sdhci_arasan_data = {
- .pdata = &sdhci_arasan_pdata,
-};
-
-static const struct sdhci_pltfm_data sdhci_arasan_zynqmp_pdata = {
- .ops = &sdhci_arasan_ops,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
- SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
- SDHCI_QUIRK2_STOP_WITH_TC,
-};
-
-static struct sdhci_arasan_of_data sdhci_arasan_zynqmp_data = {
- .pdata = &sdhci_arasan_zynqmp_pdata,
-};
-
static u32 sdhci_arasan_cqhci_irq(struct sdhci_host *host, u32 intmask)
{
int cmd_error = 0;
@@ -414,28 +431,14 @@ static const struct sdhci_pltfm_data sdhci_arasan_cqe_pdata = {
SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
};
-static struct sdhci_arasan_of_data sdhci_arasan_rk3399_data = {
- .soc_ctl_map = &rk3399_soc_ctl_map,
- .pdata = &sdhci_arasan_cqe_pdata,
-};
-
-static struct sdhci_arasan_of_data intel_lgm_emmc_data = {
- .soc_ctl_map = &intel_lgm_emmc_soc_ctl_map,
- .pdata = &sdhci_arasan_cqe_pdata,
-};
-
-static struct sdhci_arasan_of_data intel_lgm_sdxc_data = {
- .soc_ctl_map = &intel_lgm_sdxc_soc_ctl_map,
- .pdata = &sdhci_arasan_cqe_pdata,
-};
-
#ifdef CONFIG_PM_SLEEP
/**
* sdhci_arasan_suspend - Suspend method for the driver
* @dev: Address of the device structure
- * Returns 0 on success and error value on error
*
* Put the device in a low power state.
+ *
+ * Return: 0 on success and error value on error
*/
static int sdhci_arasan_suspend(struct device *dev)
{
@@ -476,9 +479,10 @@ static int sdhci_arasan_suspend(struct device *dev)
/**
* sdhci_arasan_resume - Resume method for the driver
* @dev: Address of the device structure
- * Returns 0 on success and error value on error
*
* Resume operation after suspend
+ *
+ * Return: 0 on success and error value on error
*/
static int sdhci_arasan_resume(struct device *dev)
{
@@ -524,54 +528,19 @@ static int sdhci_arasan_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(sdhci_arasan_dev_pm_ops, sdhci_arasan_suspend,
sdhci_arasan_resume);
-static const struct of_device_id sdhci_arasan_of_match[] = {
- /* SoC-specific compatible strings w/ soc_ctl_map */
- {
- .compatible = "rockchip,rk3399-sdhci-5.1",
- .data = &sdhci_arasan_rk3399_data,
- },
- {
- .compatible = "intel,lgm-sdhci-5.1-emmc",
- .data = &intel_lgm_emmc_data,
- },
- {
- .compatible = "intel,lgm-sdhci-5.1-sdxc",
- .data = &intel_lgm_sdxc_data,
- },
- /* Generic compatible below here */
- {
- .compatible = "arasan,sdhci-8.9a",
- .data = &sdhci_arasan_data,
- },
- {
- .compatible = "arasan,sdhci-5.1",
- .data = &sdhci_arasan_data,
- },
- {
- .compatible = "arasan,sdhci-4.9a",
- .data = &sdhci_arasan_data,
- },
- {
- .compatible = "xlnx,zynqmp-8.9a",
- .data = &sdhci_arasan_zynqmp_data,
- },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, sdhci_arasan_of_match);
-
/**
* sdhci_arasan_sdcardclk_recalc_rate - Return the card clock rate
*
+ * @hw: Pointer to the hardware clock structure.
+ * @parent_rate: The parent rate (should be rate of clk_xin).
+ *
* Return the current actual rate of the SD card clock. This can be used
* to communicate with out PHY.
*
- * @hw: Pointer to the hardware clock structure.
- * @parent_rate The parent rate (should be rate of clk_xin).
- * Returns the card clock rate.
+ * Return: The card clock rate.
*/
static unsigned long sdhci_arasan_sdcardclk_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
-
{
struct sdhci_arasan_clk_data *clk_data =
container_of(hw, struct sdhci_arasan_clk_data, sdcardclk_hw);
@@ -589,16 +558,16 @@ static const struct clk_ops arasan_sdcardclk_ops = {
/**
* sdhci_arasan_sampleclk_recalc_rate - Return the sampling clock rate
*
+ * @hw: Pointer to the hardware clock structure.
+ * @parent_rate: The parent rate (should be rate of clk_xin).
+ *
* Return the current actual rate of the sampling clock. This can be used
* to communicate with out PHY.
*
- * @hw: Pointer to the hardware clock structure.
- * @parent_rate The parent rate (should be rate of clk_xin).
- * Returns the sample clock rate.
+ * Return: The sample clock rate.
*/
static unsigned long sdhci_arasan_sampleclk_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
-
{
struct sdhci_arasan_clk_data *clk_data =
container_of(hw, struct sdhci_arasan_clk_data, sampleclk_hw);
@@ -616,14 +585,14 @@ static const struct clk_ops arasan_sampleclk_ops = {
/**
* sdhci_zynqmp_sdcardclk_set_phase - Set the SD Output Clock Tap Delays
*
+ * @hw: Pointer to the hardware clock structure.
+ * @degrees: The clock phase shift between 0 - 359.
+ *
* Set the SD Output Clock Tap Delays for Output path
*
- * @hw: Pointer to the hardware clock structure.
- * @degrees The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
*/
static int sdhci_zynqmp_sdcardclk_set_phase(struct clk_hw *hw, int degrees)
-
{
struct sdhci_arasan_clk_data *clk_data =
container_of(hw, struct sdhci_arasan_clk_data, sdcardclk_hw);
@@ -688,14 +657,14 @@ static const struct clk_ops zynqmp_sdcardclk_ops = {
/**
* sdhci_zynqmp_sampleclk_set_phase - Set the SD Input Clock Tap Delays
*
+ * @hw: Pointer to the hardware clock structure.
+ * @degrees: The clock phase shift between 0 - 359.
+ *
* Set the SD Input Clock Tap Delays for Input path
*
- * @hw: Pointer to the hardware clock structure.
- * @degrees The clock phase shift between 0 - 359.
* Return: 0 on success and error value on error
*/
static int sdhci_zynqmp_sampleclk_set_phase(struct clk_hw *hw, int degrees)
-
{
struct sdhci_arasan_clk_data *clk_data =
container_of(hw, struct sdhci_arasan_clk_data, sampleclk_hw);
@@ -757,6 +726,152 @@ static const struct clk_ops zynqmp_sampleclk_ops = {
.set_phase = sdhci_zynqmp_sampleclk_set_phase,
};
+/**
+ * sdhci_versal_sdcardclk_set_phase - Set the SD Output Clock Tap Delays
+ *
+ * @hw: Pointer to the hardware clock structure.
+ * @degrees: The clock phase shift between 0 - 359.
+ *
+ * Set the SD Output Clock Tap Delays for Output path
+ *
+ * Return: 0 on success and error value on error
+ */
+static int sdhci_versal_sdcardclk_set_phase(struct clk_hw *hw, int degrees)
+{
+ struct sdhci_arasan_clk_data *clk_data =
+ container_of(hw, struct sdhci_arasan_clk_data, sdcardclk_hw);
+ struct sdhci_arasan_data *sdhci_arasan =
+ container_of(clk_data, struct sdhci_arasan_data, clk_data);
+ struct sdhci_host *host = sdhci_arasan->host;
+ u8 tap_delay, tap_max = 0;
+
+ /*
+ * This is applicable for SDHCI_SPEC_300 and above
+ * Versal does not set phase for <=25MHz clock.
+ * If degrees is zero, no need to do anything.
+ */
+ if (host->version < SDHCI_SPEC_300 ||
+ host->timing == MMC_TIMING_LEGACY ||
+ host->timing == MMC_TIMING_UHS_SDR12 || !degrees)
+ return 0;
+
+ switch (host->timing) {
+ case MMC_TIMING_MMC_HS:
+ case MMC_TIMING_SD_HS:
+ case MMC_TIMING_UHS_SDR25:
+ case MMC_TIMING_UHS_DDR50:
+ case MMC_TIMING_MMC_DDR52:
+ /* For 50MHz clock, 30 Taps are available */
+ tap_max = 30;
+ break;
+ case MMC_TIMING_UHS_SDR50:
+ /* For 100MHz clock, 15 Taps are available */
+ tap_max = 15;
+ break;
+ case MMC_TIMING_UHS_SDR104:
+ case MMC_TIMING_MMC_HS200:
+ /* For 200MHz clock, 8 Taps are available */
+ tap_max = 8;
+ default:
+ break;
+ }
+
+ tap_delay = (degrees * tap_max) / 360;
+
+ /* Set the Clock Phase */
+ if (tap_delay) {
+ u32 regval;
+
+ regval = sdhci_readl(host, SDHCI_ARASAN_OTAPDLY_REGISTER);
+ regval |= SDHCI_OTAPDLY_ENABLE;
+ sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
+ regval |= tap_delay;
+ sdhci_writel(host, regval, SDHCI_ARASAN_OTAPDLY_REGISTER);
+ }
+
+ return 0;
+}
+
+static const struct clk_ops versal_sdcardclk_ops = {
+ .recalc_rate = sdhci_arasan_sdcardclk_recalc_rate,
+ .set_phase = sdhci_versal_sdcardclk_set_phase,
+};
+
+/**
+ * sdhci_versal_sampleclk_set_phase - Set the SD Input Clock Tap Delays
+ *
+ * @hw: Pointer to the hardware clock structure.
+ * @degrees: The clock phase shift between 0 - 359.
+ *
+ * Set the SD Input Clock Tap Delays for Input path
+ *
+ * Return: 0 on success and error value on error
+ */
+static int sdhci_versal_sampleclk_set_phase(struct clk_hw *hw, int degrees)
+{
+ struct sdhci_arasan_clk_data *clk_data =
+ container_of(hw, struct sdhci_arasan_clk_data, sampleclk_hw);
+ struct sdhci_arasan_data *sdhci_arasan =
+ container_of(clk_data, struct sdhci_arasan_data, clk_data);
+ struct sdhci_host *host = sdhci_arasan->host;
+ u8 tap_delay, tap_max = 0;
+
+ /*
+ * This is applicable for SDHCI_SPEC_300 and above
+ * Versal does not set phase for <=25MHz clock.
+ * If degrees is zero, no need to do anything.
+ */
+ if (host->version < SDHCI_SPEC_300 ||
+ host->timing == MMC_TIMING_LEGACY ||
+ host->timing == MMC_TIMING_UHS_SDR12 || !degrees)
+ return 0;
+
+ switch (host->timing) {
+ case MMC_TIMING_MMC_HS:
+ case MMC_TIMING_SD_HS:
+ case MMC_TIMING_UHS_SDR25:
+ case MMC_TIMING_UHS_DDR50:
+ case MMC_TIMING_MMC_DDR52:
+ /* For 50MHz clock, 120 Taps are available */
+ tap_max = 120;
+ break;
+ case MMC_TIMING_UHS_SDR50:
+ /* For 100MHz clock, 60 Taps are available */
+ tap_max = 60;
+ break;
+ case MMC_TIMING_UHS_SDR104:
+ case MMC_TIMING_MMC_HS200:
+ /* For 200MHz clock, 30 Taps are available */
+ tap_max = 30;
+ default:
+ break;
+ }
+
+ tap_delay = (degrees * tap_max) / 360;
+
+ /* Set the Clock Phase */
+ if (tap_delay) {
+ u32 regval;
+
+ regval = sdhci_readl(host, SDHCI_ARASAN_ITAPDLY_REGISTER);
+ regval |= SDHCI_ITAPDLY_CHGWIN;
+ sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
+ regval |= SDHCI_ITAPDLY_ENABLE;
+ sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
+ regval |= tap_delay;
+ sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
+ regval &= ~SDHCI_ITAPDLY_CHGWIN;
+ sdhci_writel(host, regval, SDHCI_ARASAN_ITAPDLY_REGISTER);
+ }
+
+ return 0;
+}
+
+static const struct clk_ops versal_sampleclk_ops = {
+ .recalc_rate = sdhci_arasan_sampleclk_recalc_rate,
+ .set_phase = sdhci_versal_sampleclk_set_phase,
+};
+
static void arasan_zynqmp_dll_reset(struct sdhci_host *host, u32 deviceid)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
@@ -804,6 +919,9 @@ static int arasan_zynqmp_execute_tuning(struct mmc_host *mmc, u32 opcode)
/**
* sdhci_arasan_update_clockmultiplier - Set corecfg_clockmultiplier
*
+ * @host: The sdhci_host
+ * @value: The value to write
+ *
* The corecfg_clockmultiplier is supposed to contain clock multiplier
* value of programmable clock generator.
*
@@ -815,8 +933,6 @@ static int arasan_zynqmp_execute_tuning(struct mmc_host *mmc, u32 opcode)
* - The value of corecfg_clockmultiplier should sync with that of corresponding
* value reading from sdhci_capability_register. So this function is called
* once at probe time and never called again.
- *
- * @host: The sdhci_host
*/
static void sdhci_arasan_update_clockmultiplier(struct sdhci_host *host,
u32 value)
@@ -843,6 +959,8 @@ static void sdhci_arasan_update_clockmultiplier(struct sdhci_host *host,
/**
* sdhci_arasan_update_baseclkfreq - Set corecfg_baseclkfreq
*
+ * @host: The sdhci_host
+ *
* The corecfg_baseclkfreq is supposed to contain the MHz of clk_xin. This
* function can be used to make that happen.
*
@@ -854,8 +972,6 @@ static void sdhci_arasan_update_clockmultiplier(struct sdhci_host *host,
* - It's assumed that clk_xin is not dynamic and that we use the SDHCI divider
* to achieve lower clock rates. That means that this function is called once
* at probe time and never called again.
- *
- * @host: The sdhci_host
*/
static void sdhci_arasan_update_baseclkfreq(struct sdhci_host *host)
{
@@ -919,10 +1035,10 @@ static void arasan_dt_read_clk_phase(struct device *dev,
/**
* arasan_dt_parse_clk_phases - Read Clock Delay values from DT
*
- * Called at initialization to parse the values of Clock Delays.
- *
* @dev: Pointer to our struct device.
* @clk_data: Pointer to the Clock Data structure
+ *
+ * Called at initialization to parse the values of Clock Delays.
*/
static void arasan_dt_parse_clk_phases(struct device *dev,
struct sdhci_arasan_clk_data *clk_data)
@@ -954,6 +1070,16 @@ static void arasan_dt_parse_clk_phases(struct device *dev,
}
}
+ if (of_device_is_compatible(dev->of_node, "xlnx,versal-8.9a")) {
+ iclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) VERSAL_ICLK_PHASE;
+ oclk_phase = (int [MMC_TIMING_MMC_HS400 + 1]) VERSAL_OCLK_PHASE;
+
+ for (i = 0; i <= MMC_TIMING_MMC_HS400; i++) {
+ clk_data->clk_phase_in[i] = iclk_phase[i];
+ clk_data->clk_phase_out[i] = oclk_phase[i];
+ }
+ }
+
arasan_dt_read_clk_phase(dev, clk_data, MMC_TIMING_LEGACY,
"clk-phase-legacy");
arasan_dt_read_clk_phase(dev, clk_data, MMC_TIMING_MMC_HS,
@@ -978,17 +1104,191 @@ static void arasan_dt_parse_clk_phases(struct device *dev,
"clk-phase-mmc-hs400");
}
+static const struct sdhci_pltfm_data sdhci_arasan_pdata = {
+ .ops = &sdhci_arasan_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+ SDHCI_QUIRK2_STOP_WITH_TC,
+};
+
+static const struct sdhci_arasan_clk_ops arasan_clk_ops = {
+ .sdcardclk_ops = &arasan_sdcardclk_ops,
+ .sampleclk_ops = &arasan_sampleclk_ops,
+};
+
+static struct sdhci_arasan_of_data sdhci_arasan_generic_data = {
+ .pdata = &sdhci_arasan_pdata,
+ .clk_ops = &arasan_clk_ops,
+};
+
+static const struct sdhci_pltfm_data sdhci_keembay_emmc_pdata = {
+ .ops = &sdhci_arasan_cqe_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
+ SDHCI_QUIRK_NO_LED |
+ SDHCI_QUIRK_32BIT_DMA_ADDR |
+ SDHCI_QUIRK_32BIT_DMA_SIZE |
+ SDHCI_QUIRK_32BIT_ADMA_SIZE,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+ SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 |
+ SDHCI_QUIRK2_STOP_WITH_TC |
+ SDHCI_QUIRK2_BROKEN_64_BIT_DMA,
+};
+
+static const struct sdhci_pltfm_data sdhci_keembay_sd_pdata = {
+ .ops = &sdhci_arasan_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
+ SDHCI_QUIRK_NO_LED |
+ SDHCI_QUIRK_32BIT_DMA_ADDR |
+ SDHCI_QUIRK_32BIT_DMA_SIZE |
+ SDHCI_QUIRK_32BIT_ADMA_SIZE,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+ SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
+ SDHCI_QUIRK2_STOP_WITH_TC |
+ SDHCI_QUIRK2_BROKEN_64_BIT_DMA,
+};
+
+static const struct sdhci_pltfm_data sdhci_keembay_sdio_pdata = {
+ .ops = &sdhci_arasan_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
+ SDHCI_QUIRK_NO_LED |
+ SDHCI_QUIRK_32BIT_DMA_ADDR |
+ SDHCI_QUIRK_32BIT_DMA_SIZE |
+ SDHCI_QUIRK_32BIT_ADMA_SIZE,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+ SDHCI_QUIRK2_HOST_OFF_CARD_ON |
+ SDHCI_QUIRK2_BROKEN_64_BIT_DMA,
+};
+
+static struct sdhci_arasan_of_data sdhci_arasan_rk3399_data = {
+ .soc_ctl_map = &rk3399_soc_ctl_map,
+ .pdata = &sdhci_arasan_cqe_pdata,
+ .clk_ops = &arasan_clk_ops,
+};
+
+static struct sdhci_arasan_of_data intel_lgm_emmc_data = {
+ .soc_ctl_map = &intel_lgm_emmc_soc_ctl_map,
+ .pdata = &sdhci_arasan_cqe_pdata,
+ .clk_ops = &arasan_clk_ops,
+};
+
+static struct sdhci_arasan_of_data intel_lgm_sdxc_data = {
+ .soc_ctl_map = &intel_lgm_sdxc_soc_ctl_map,
+ .pdata = &sdhci_arasan_cqe_pdata,
+ .clk_ops = &arasan_clk_ops,
+};
+
+static const struct sdhci_pltfm_data sdhci_arasan_zynqmp_pdata = {
+ .ops = &sdhci_arasan_ops,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN |
+ SDHCI_QUIRK2_STOP_WITH_TC,
+};
+
+static const struct sdhci_arasan_clk_ops zynqmp_clk_ops = {
+ .sdcardclk_ops = &zynqmp_sdcardclk_ops,
+ .sampleclk_ops = &zynqmp_sampleclk_ops,
+};
+
+static struct sdhci_arasan_of_data sdhci_arasan_zynqmp_data = {
+ .pdata = &sdhci_arasan_zynqmp_pdata,
+ .clk_ops = &zynqmp_clk_ops,
+};
+
+static const struct sdhci_arasan_clk_ops versal_clk_ops = {
+ .sdcardclk_ops = &versal_sdcardclk_ops,
+ .sampleclk_ops = &versal_sampleclk_ops,
+};
+
+static struct sdhci_arasan_of_data sdhci_arasan_versal_data = {
+ .pdata = &sdhci_arasan_zynqmp_pdata,
+ .clk_ops = &versal_clk_ops,
+};
+
+static struct sdhci_arasan_of_data intel_keembay_emmc_data = {
+ .soc_ctl_map = &intel_keembay_soc_ctl_map,
+ .pdata = &sdhci_keembay_emmc_pdata,
+};
+
+static struct sdhci_arasan_of_data intel_keembay_sd_data = {
+ .soc_ctl_map = &intel_keembay_soc_ctl_map,
+ .pdata = &sdhci_keembay_sd_pdata,
+};
+
+static struct sdhci_arasan_of_data intel_keembay_sdio_data = {
+ .soc_ctl_map = &intel_keembay_soc_ctl_map,
+ .pdata = &sdhci_keembay_sdio_pdata,
+};
+
+static const struct of_device_id sdhci_arasan_of_match[] = {
+ /* SoC-specific compatible strings w/ soc_ctl_map */
+ {
+ .compatible = "rockchip,rk3399-sdhci-5.1",
+ .data = &sdhci_arasan_rk3399_data,
+ },
+ {
+ .compatible = "intel,lgm-sdhci-5.1-emmc",
+ .data = &intel_lgm_emmc_data,
+ },
+ {
+ .compatible = "intel,lgm-sdhci-5.1-sdxc",
+ .data = &intel_lgm_sdxc_data,
+ },
+ {
+ .compatible = "intel,keembay-sdhci-5.1-emmc",
+ .data = &intel_keembay_emmc_data,
+ },
+ {
+ .compatible = "intel,keembay-sdhci-5.1-sd",
+ .data = &intel_keembay_sd_data,
+ },
+ {
+ .compatible = "intel,keembay-sdhci-5.1-sdio",
+ .data = &intel_keembay_sdio_data,
+ },
+ /* Generic compatible below here */
+ {
+ .compatible = "arasan,sdhci-8.9a",
+ .data = &sdhci_arasan_generic_data,
+ },
+ {
+ .compatible = "arasan,sdhci-5.1",
+ .data = &sdhci_arasan_generic_data,
+ },
+ {
+ .compatible = "arasan,sdhci-4.9a",
+ .data = &sdhci_arasan_generic_data,
+ },
+ {
+ .compatible = "xlnx,zynqmp-8.9a",
+ .data = &sdhci_arasan_zynqmp_data,
+ },
+ {
+ .compatible = "xlnx,versal-8.9a",
+ .data = &sdhci_arasan_versal_data,
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sdhci_arasan_of_match);
+
/**
* sdhci_arasan_register_sdcardclk - Register the sdcardclk for a PHY to use
*
+ * @sdhci_arasan: Our private data structure.
+ * @clk_xin: Pointer to the functional clock
+ * @dev: Pointer to our struct device.
+ *
* Some PHY devices need to know what the actual card clock is. In order for
* them to find out, we'll provide a clock through the common clock framework
* for them to query.
*
- * @sdhci_arasan: Our private data structure.
- * @clk_xin: Pointer to the functional clock
- * @dev: Pointer to our struct device.
- * Returns 0 on success and error value on error
+ * Return: 0 on success and error value on error
*/
static int
sdhci_arasan_register_sdcardclk(struct sdhci_arasan_data *sdhci_arasan,
@@ -1012,10 +1312,7 @@ sdhci_arasan_register_sdcardclk(struct sdhci_arasan_data *sdhci_arasan,
sdcardclk_init.parent_names = &parent_clk_name;
sdcardclk_init.num_parents = 1;
sdcardclk_init.flags = CLK_GET_RATE_NOCACHE;
- if (of_device_is_compatible(np, "xlnx,zynqmp-8.9a"))
- sdcardclk_init.ops = &zynqmp_sdcardclk_ops;
- else
- sdcardclk_init.ops = &arasan_sdcardclk_ops;
+ sdcardclk_init.ops = sdhci_arasan->clk_ops->sdcardclk_ops;
clk_data->sdcardclk_hw.init = &sdcardclk_init;
clk_data->sdcardclk =
@@ -1033,14 +1330,15 @@ sdhci_arasan_register_sdcardclk(struct sdhci_arasan_data *sdhci_arasan,
/**
* sdhci_arasan_register_sampleclk - Register the sampleclk for a PHY to use
*
+ * @sdhci_arasan: Our private data structure.
+ * @clk_xin: Pointer to the functional clock
+ * @dev: Pointer to our struct device.
+ *
* Some PHY devices need to know what the actual card clock is. In order for
* them to find out, we'll provide a clock through the common clock framework
* for them to query.
*
- * @sdhci_arasan: Our private data structure.
- * @clk_xin: Pointer to the functional clock
- * @dev: Pointer to our struct device.
- * Returns 0 on success and error value on error
+ * Return: 0 on success and error value on error
*/
static int
sdhci_arasan_register_sampleclk(struct sdhci_arasan_data *sdhci_arasan,
@@ -1064,10 +1362,7 @@ sdhci_arasan_register_sampleclk(struct sdhci_arasan_data *sdhci_arasan,
sampleclk_init.parent_names = &parent_clk_name;
sampleclk_init.num_parents = 1;
sampleclk_init.flags = CLK_GET_RATE_NOCACHE;
- if (of_device_is_compatible(np, "xlnx,zynqmp-8.9a"))
- sampleclk_init.ops = &zynqmp_sampleclk_ops;
- else
- sampleclk_init.ops = &arasan_sampleclk_ops;
+ sampleclk_init.ops = sdhci_arasan->clk_ops->sampleclk_ops;
clk_data->sampleclk_hw.init = &sampleclk_init;
clk_data->sampleclk =
@@ -1085,10 +1380,10 @@ sdhci_arasan_register_sampleclk(struct sdhci_arasan_data *sdhci_arasan,
/**
* sdhci_arasan_unregister_sdclk - Undoes sdhci_arasan_register_sdclk()
*
+ * @dev: Pointer to our struct device.
+ *
* Should be called any time we're exiting and sdhci_arasan_register_sdclk()
* returned success.
- *
- * @dev: Pointer to our struct device.
*/
static void sdhci_arasan_unregister_sdclk(struct device *dev)
{
@@ -1101,8 +1396,46 @@ static void sdhci_arasan_unregister_sdclk(struct device *dev)
}
/**
+ * sdhci_arasan_update_support64b - Set SUPPORT_64B (64-bit System Bus Support)
+ *
+ * This should be set based on the System Address Bus.
+ * 0: the Core supports only 32-bit System Address Bus.
+ * 1: the Core supports 64-bit System Address Bus.
+ *
+ * NOTES:
+ * - For Keem Bay, it is required to clear this bit. Its default value is 1'b1.
+ * Keem Bay does not support 64-bit access.
+ *
+ * @host The sdhci_host
+ */
+static void sdhci_arasan_update_support64b(struct sdhci_host *host, u32 value)
+{
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
+ const struct sdhci_arasan_soc_ctl_map *soc_ctl_map =
+ sdhci_arasan->soc_ctl_map;
+
+ /* Having a map is optional */
+ if (!soc_ctl_map)
+ return;
+
+ /* If we have a map, we expect to have a syscon */
+ if (!sdhci_arasan->soc_ctl_base) {
+ pr_warn("%s: Have regmap, but no soc-ctl-syscon\n",
+ mmc_hostname(host->mmc));
+ return;
+ }
+
+ sdhci_arasan_syscon_write(host, &soc_ctl_map->support64b, value);
+}
+
+/**
* sdhci_arasan_register_sdclk - Register the sdcardclk for a PHY to use
*
+ * @sdhci_arasan: Our private data structure.
+ * @clk_xin: Pointer to the functional clock
+ * @dev: Pointer to our struct device.
+ *
* Some PHY devices need to know what the actual card clock is. In order for
* them to find out, we'll provide a clock through the common clock framework
* for them to query.
@@ -1115,10 +1448,7 @@ static void sdhci_arasan_unregister_sdclk(struct device *dev)
* to create nice clean device tree bindings and later (if needed) we can try
* re-architecting SDHCI if we see some benefit to it.
*
- * @sdhci_arasan: Our private data structure.
- * @clk_xin: Pointer to the functional clock
- * @dev: Pointer to our struct device.
- * Returns 0 on success and error value on error
+ * Return: 0 on success and error value on error
*/
static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
struct clk *clk_xin,
@@ -1215,6 +1545,7 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
sdhci_arasan->host = host;
sdhci_arasan->soc_ctl_map = data->soc_ctl_map;
+ sdhci_arasan->clk_ops = data->clk_ops;
node = of_parse_phandle(pdev->dev.of_node, "arasan,soc-ctl-syscon", 0);
if (node) {
@@ -1270,6 +1601,15 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
"rockchip,rk3399-sdhci-5.1"))
sdhci_arasan_update_clockmultiplier(host, 0x0);
+ if (of_device_is_compatible(np, "intel,keembay-sdhci-5.1-emmc") ||
+ of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sd") ||
+ of_device_is_compatible(np, "intel,keembay-sdhci-5.1-sdio")) {
+ sdhci_arasan_update_clockmultiplier(host, 0x0);
+ sdhci_arasan_update_support64b(host, 0x0);
+
+ host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
+ }
+
sdhci_arasan_update_baseclkfreq(host);
ret = sdhci_arasan_register_sdclk(sdhci_arasan, clk_xin, &pdev->dev);
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index c79bff5e2280..1ece2c50042c 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -6,6 +6,7 @@
* 2015 Ludovic Desroches <ludovic.desroches@atmel.com>
*/
+#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
@@ -120,9 +121,12 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask)
|| mmc_gpio_get_cd(host->mmc) >= 0)
sdhci_at91_set_force_card_detect(host);
- if (priv->cal_always_on && (mask & SDHCI_RESET_ALL))
- sdhci_writel(host, SDMMC_CALCR_ALWYSON | SDMMC_CALCR_EN,
+ if (priv->cal_always_on && (mask & SDHCI_RESET_ALL)) {
+ u32 calcr = sdhci_readl(host, SDMMC_CALCR);
+
+ sdhci_writel(host, calcr | SDMMC_CALCR_ALWYSON | SDMMC_CALCR_EN,
SDMMC_CALCR);
+ }
}
static const struct sdhci_ops sdhci_at91_sama5d2_ops = {
@@ -179,9 +183,9 @@ static int sdhci_at91_set_clks_presets(struct device *dev)
clk_mul = gck_rate / clk_base_rate - 1;
caps0 &= ~SDHCI_CLOCK_V3_BASE_MASK;
- caps0 |= (clk_base << SDHCI_CLOCK_BASE_SHIFT) & SDHCI_CLOCK_V3_BASE_MASK;
+ caps0 |= FIELD_PREP(SDHCI_CLOCK_V3_BASE_MASK, clk_base);
caps1 &= ~SDHCI_CLOCK_MUL_MASK;
- caps1 |= (clk_mul << SDHCI_CLOCK_MUL_SHIFT) & SDHCI_CLOCK_MUL_MASK;
+ caps1 |= FIELD_PREP(SDHCI_CLOCK_MUL_MASK, clk_mul);
/* Set capabilities in r/w mode. */
writel(SDMMC_CACR_KEY | SDMMC_CACR_CAPWREN, host->ioaddr + SDMMC_CACR);
writel(caps0, host->ioaddr + SDHCI_CAPABILITIES);
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index a5137845a1c7..64ac0dbee95c 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -16,6 +16,9 @@
#include "sdhci-pltfm.h"
+/* DWCMSHC specific Mode Select value */
+#define DWCMSHC_CTRL_HS400 0x7
+
#define BOUNDARY_OK(addr, len) \
((addr | (SZ_128M - 1)) == ((addr + len - 1) | (SZ_128M - 1)))
@@ -46,10 +49,36 @@ static void dwcmshc_adma_write_desc(struct sdhci_host *host, void **desc,
sdhci_adma_write_desc(host, desc, addr, len, cmd);
}
+static void dwcmshc_set_uhs_signaling(struct sdhci_host *host,
+ unsigned int timing)
+{
+ u16 ctrl_2;
+
+ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
+ /* Select Bus Speed Mode for host */
+ ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
+ if ((timing == MMC_TIMING_MMC_HS200) ||
+ (timing == MMC_TIMING_UHS_SDR104))
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
+ else if (timing == MMC_TIMING_UHS_SDR12)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR12;
+ else if ((timing == MMC_TIMING_UHS_SDR25) ||
+ (timing == MMC_TIMING_MMC_HS))
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
+ else if (timing == MMC_TIMING_UHS_SDR50)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR50;
+ else if ((timing == MMC_TIMING_UHS_DDR50) ||
+ (timing == MMC_TIMING_MMC_DDR52))
+ ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
+ else if (timing == MMC_TIMING_MMC_HS400)
+ ctrl_2 |= DWCMSHC_CTRL_HS400;
+ sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
+}
+
static const struct sdhci_ops sdhci_dwcmshc_ops = {
.set_clock = sdhci_set_clock,
.set_bus_width = sdhci_set_bus_width,
- .set_uhs_signaling = sdhci_set_uhs_signaling,
+ .set_uhs_signaling = dwcmshc_set_uhs_signaling,
.get_max_clock = sdhci_pltfm_clk_get_max_clock,
.reset = sdhci_reset,
.adma_write_desc = dwcmshc_adma_write_desc,
@@ -134,6 +163,48 @@ static int dwcmshc_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int dwcmshc_suspend(struct device *dev)
+{
+ struct sdhci_host *host = dev_get_drvdata(dev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ int ret;
+
+ ret = sdhci_suspend_host(host);
+ if (ret)
+ return ret;
+
+ clk_disable_unprepare(pltfm_host->clk);
+ if (!IS_ERR(priv->bus_clk))
+ clk_disable_unprepare(priv->bus_clk);
+
+ return ret;
+}
+
+static int dwcmshc_resume(struct device *dev)
+{
+ struct sdhci_host *host = dev_get_drvdata(dev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct dwcmshc_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ int ret;
+
+ ret = clk_prepare_enable(pltfm_host->clk);
+ if (ret)
+ return ret;
+
+ if (!IS_ERR(priv->bus_clk)) {
+ ret = clk_prepare_enable(priv->bus_clk);
+ if (ret)
+ return ret;
+ }
+
+ return sdhci_resume_host(host);
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(dwcmshc_pmops, dwcmshc_suspend, dwcmshc_resume);
+
static const struct of_device_id sdhci_dwcmshc_dt_ids[] = {
{ .compatible = "snps,dwcmshc-sdhci" },
{}
@@ -144,6 +215,7 @@ static struct platform_driver sdhci_dwcmshc_driver = {
.driver = {
.name = "sdhci-dwcmshc",
.of_match_table = sdhci_dwcmshc_dt_ids,
+ .pm = &dwcmshc_pmops,
},
.probe = dwcmshc_probe,
.remove = dwcmshc_remove,
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 5d8dd870bd44..7c73d243dc6c 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -1135,6 +1135,40 @@ static int esdhc_execute_tuning(struct mmc_host *mmc, u32 opcode)
static void esdhc_set_uhs_signaling(struct sdhci_host *host,
unsigned int timing)
{
+ u32 val;
+
+ /*
+ * There are specific registers setting for HS400 mode.
+ * Clean all of them if controller is in HS400 mode to
+ * exit HS400 mode before re-setting any speed mode.
+ */
+ val = sdhci_readl(host, ESDHC_TBCTL);
+ if (val & ESDHC_HS400_MODE) {
+ val = sdhci_readl(host, ESDHC_SDTIMNGCTL);
+ val &= ~ESDHC_FLW_CTL_BG;
+ sdhci_writel(host, val, ESDHC_SDTIMNGCTL);
+
+ val = sdhci_readl(host, ESDHC_SDCLKCTL);
+ val &= ~ESDHC_CMD_CLK_CTL;
+ sdhci_writel(host, val, ESDHC_SDCLKCTL);
+
+ esdhc_clock_enable(host, false);
+ val = sdhci_readl(host, ESDHC_TBCTL);
+ val &= ~ESDHC_HS400_MODE;
+ sdhci_writel(host, val, ESDHC_TBCTL);
+ esdhc_clock_enable(host, true);
+
+ val = sdhci_readl(host, ESDHC_DLLCFG0);
+ val &= ~(ESDHC_DLL_ENABLE | ESDHC_DLL_FREQ_SEL);
+ sdhci_writel(host, val, ESDHC_DLLCFG0);
+
+ val = sdhci_readl(host, ESDHC_TBCTL);
+ val &= ~ESDHC_HS400_WNDW_ADJUST;
+ sdhci_writel(host, val, ESDHC_TBCTL);
+
+ esdhc_tuning_block_enable(host, false);
+ }
+
if (timing == MMC_TIMING_MMC_HS400)
esdhc_tuning_block_enable(host, true);
else
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 525de2454a4d..bb6802448b2f 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -249,12 +249,8 @@ static int ricoh_probe(struct sdhci_pci_chip *chip)
static int ricoh_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->caps =
- ((0x21 << SDHCI_TIMEOUT_CLK_SHIFT)
- & SDHCI_TIMEOUT_CLK_MASK) |
-
- ((0x21 << SDHCI_CLOCK_BASE_SHIFT)
- & SDHCI_CLOCK_BASE_MASK) |
-
+ FIELD_PREP(SDHCI_TIMEOUT_CLK_MASK, 0x21) |
+ FIELD_PREP(SDHCI_CLOCK_BASE_MASK, 0x21) |
SDHCI_TIMEOUT_CLK_UNIT |
SDHCI_CAN_VDD_330 |
SDHCI_CAN_DO_HISPD |
@@ -601,6 +597,9 @@ static int intel_select_drive_strength(struct mmc_card *card,
struct sdhci_pci_slot *slot = sdhci_priv(host);
struct intel_host *intel_host = sdhci_pci_priv(slot);
+ if (!(mmc_driver_type_mask(intel_host->drv_strength) & card_drv))
+ return 0;
+
return intel_host->drv_strength;
}
@@ -1746,6 +1745,7 @@ static const struct pci_device_id pci_ids[] = {
SDHCI_PCI_DEVICE(SYNOPSYS, DWC_MSHC, snps),
SDHCI_PCI_DEVICE(GLI, 9750, gl9750),
SDHCI_PCI_DEVICE(GLI, 9755, gl9755),
+ SDHCI_PCI_DEVICE(GLI, 9763E, gl9763e),
SDHCI_PCI_DEVICE_CLASS(AMD, SYSTEM_SDHCI, PCI_CLASS_MASK, amd),
/* Generic SD host controller */
{PCI_DEVICE_CLASS(SYSTEM_SDHCI, PCI_CLASS_MASK)},
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index ce15a05f23d4..ca0166d9bf82 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -26,6 +26,9 @@
#define SDHCI_GLI_9750_DRIVING_2 GENMASK(27, 26)
#define GLI_9750_DRIVING_1_VALUE 0xFFF
#define GLI_9750_DRIVING_2_VALUE 0x3
+#define SDHCI_GLI_9750_SEL_1 BIT(29)
+#define SDHCI_GLI_9750_SEL_2 BIT(31)
+#define SDHCI_GLI_9750_ALL_RST (BIT(24)|BIT(25)|BIT(28)|BIT(30))
#define SDHCI_GLI_9750_PLL 0x864
#define SDHCI_GLI_9750_PLL_TX2_INV BIT(23)
@@ -60,6 +63,19 @@
#define SDHCI_GLI_9750_TUNING_PARAMETERS_RX_DLY GENMASK(2, 0)
#define GLI_9750_TUNING_PARAMETERS_RX_DLY_VALUE 0x1
+#define SDHCI_GLI_9763E_CTRL_HS400 0x7
+
+#define SDHCI_GLI_9763E_HS400_ES_REG 0x52C
+#define SDHCI_GLI_9763E_HS400_ES_BIT BIT(8)
+
+#define PCIE_GLI_9763E_VHS 0x884
+#define GLI_9763E_VHS_REV GENMASK(19, 16)
+#define GLI_9763E_VHS_REV_R 0x0
+#define GLI_9763E_VHS_REV_M 0x1
+#define GLI_9763E_VHS_REV_W 0x2
+#define PCIE_GLI_9763E_SCR 0x8E0
+#define GLI_9763E_SCR_AXI_REQ BIT(9)
+
#define GLI_MAX_TUNING_LOOP 40
/* Genesys Logic chipset */
@@ -122,6 +138,8 @@ static void gli_set_9750(struct sdhci_host *host)
GLI_9750_DRIVING_1_VALUE);
driving_value |= FIELD_PREP(SDHCI_GLI_9750_DRIVING_2,
GLI_9750_DRIVING_2_VALUE);
+ driving_value &= ~(SDHCI_GLI_9750_SEL_1|SDHCI_GLI_9750_SEL_2|SDHCI_GLI_9750_ALL_RST);
+ driving_value |= SDHCI_GLI_9750_SEL_2;
sdhci_writel(host, driving_value, SDHCI_GLI_9750_DRIVING);
sw_ctrl_value &= ~SDHCI_GLI_9750_SW_CTRL_4;
@@ -334,6 +352,93 @@ static u32 sdhci_gl9750_readl(struct sdhci_host *host, int reg)
return value;
}
+#ifdef CONFIG_PM_SLEEP
+static int sdhci_pci_gli_resume(struct sdhci_pci_chip *chip)
+{
+ struct sdhci_pci_slot *slot = chip->slots[0];
+
+ pci_free_irq_vectors(slot->chip->pdev);
+ gli_pcie_enable_msi(slot);
+
+ return sdhci_pci_resume_host(chip);
+}
+#endif
+
+static void gl9763e_hs400_enhanced_strobe(struct mmc_host *mmc,
+ struct mmc_ios *ios)
+{
+ struct sdhci_host *host = mmc_priv(mmc);
+ u32 val;
+
+ val = sdhci_readl(host, SDHCI_GLI_9763E_HS400_ES_REG);
+ if (ios->enhanced_strobe)
+ val |= SDHCI_GLI_9763E_HS400_ES_BIT;
+ else
+ val &= ~SDHCI_GLI_9763E_HS400_ES_BIT;
+
+ sdhci_writel(host, val, SDHCI_GLI_9763E_HS400_ES_REG);
+}
+
+static void sdhci_set_gl9763e_signaling(struct sdhci_host *host,
+ unsigned int timing)
+{
+ u16 ctrl_2;
+
+ ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
+ ctrl_2 &= ~SDHCI_CTRL_UHS_MASK;
+ if (timing == MMC_TIMING_MMC_HS200)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR104;
+ else if (timing == MMC_TIMING_MMC_HS)
+ ctrl_2 |= SDHCI_CTRL_UHS_SDR25;
+ else if (timing == MMC_TIMING_MMC_DDR52)
+ ctrl_2 |= SDHCI_CTRL_UHS_DDR50;
+ else if (timing == MMC_TIMING_MMC_HS400)
+ ctrl_2 |= SDHCI_GLI_9763E_CTRL_HS400;
+
+ sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
+}
+
+static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
+{
+ struct pci_dev *pdev = slot->chip->pdev;
+ u32 value;
+
+ pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
+ value &= ~GLI_9763E_VHS_REV;
+ value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_W);
+ pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
+
+ pci_read_config_dword(pdev, PCIE_GLI_9763E_SCR, &value);
+ value |= GLI_9763E_SCR_AXI_REQ;
+ pci_write_config_dword(pdev, PCIE_GLI_9763E_SCR, value);
+
+ pci_read_config_dword(pdev, PCIE_GLI_9763E_VHS, &value);
+ value &= ~GLI_9763E_VHS_REV;
+ value |= FIELD_PREP(GLI_9763E_VHS_REV, GLI_9763E_VHS_REV_R);
+ pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
+}
+
+static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot)
+{
+ struct sdhci_host *host = slot->host;
+
+ host->mmc->caps |= MMC_CAP_8_BIT_DATA |
+ MMC_CAP_1_8V_DDR |
+ MMC_CAP_NONREMOVABLE;
+ host->mmc->caps2 |= MMC_CAP2_HS200_1_8V_SDR |
+ MMC_CAP2_HS400_1_8V |
+ MMC_CAP2_HS400_ES |
+ MMC_CAP2_NO_SDIO |
+ MMC_CAP2_NO_SD;
+ gli_pcie_enable_msi(slot);
+ host->mmc_host_ops.hs400_enhanced_strobe =
+ gl9763e_hs400_enhanced_strobe;
+ gli_set_gl9763e(slot);
+ sdhci_enable_v4_mode(host);
+
+ return 0;
+}
+
static const struct sdhci_ops sdhci_gl9755_ops = {
.set_clock = sdhci_set_clock,
.enable_dma = sdhci_pci_enable_dma,
@@ -348,6 +453,9 @@ const struct sdhci_pci_fixes sdhci_gl9755 = {
.quirks2 = SDHCI_QUIRK2_BROKEN_DDR50,
.probe_slot = gli_probe_slot_gl9755,
.ops = &sdhci_gl9755_ops,
+#ifdef CONFIG_PM_SLEEP
+ .resume = sdhci_pci_gli_resume,
+#endif
};
static const struct sdhci_ops sdhci_gl9750_ops = {
@@ -366,4 +474,25 @@ const struct sdhci_pci_fixes sdhci_gl9750 = {
.quirks2 = SDHCI_QUIRK2_BROKEN_DDR50,
.probe_slot = gli_probe_slot_gl9750,
.ops = &sdhci_gl9750_ops,
+#ifdef CONFIG_PM_SLEEP
+ .resume = sdhci_pci_gli_resume,
+#endif
+};
+
+static const struct sdhci_ops sdhci_gl9763e_ops = {
+ .set_clock = sdhci_set_clock,
+ .enable_dma = sdhci_pci_enable_dma,
+ .set_bus_width = sdhci_set_bus_width,
+ .reset = sdhci_reset,
+ .set_uhs_signaling = sdhci_set_gl9763e_signaling,
+ .voltage_switch = sdhci_gli_voltage_switch,
+};
+
+const struct sdhci_pci_fixes sdhci_gl9763e = {
+ .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+ .probe_slot = gli_probe_slot_gl9763e,
+ .ops = &sdhci_gl9763e_ops,
+#ifdef CONFIG_PM_SLEEP
+ .resume = sdhci_pci_gli_resume,
+#endif
};
diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c
index fa8105087d68..e2a846885902 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.c
+++ b/drivers/mmc/host/sdhci-pci-o2micro.c
@@ -494,7 +494,7 @@ static void sdhci_o2_enable_clk(struct sdhci_host *host, u16 clk)
}
}
-void sdhci_pci_o2_set_clock(struct sdhci_host *host, unsigned int clock)
+static void sdhci_pci_o2_set_clock(struct sdhci_host *host, unsigned int clock)
{
u16 clk;
@@ -509,7 +509,7 @@ void sdhci_pci_o2_set_clock(struct sdhci_host *host, unsigned int clock)
sdhci_o2_enable_clk(host, clk);
}
-int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot)
+static int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot)
{
struct sdhci_pci_chip *chip;
struct sdhci_host *host;
@@ -578,7 +578,7 @@ int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot)
return 0;
}
-int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
+static int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
{
int ret;
u8 scratch;
@@ -783,7 +783,7 @@ int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip)
}
#ifdef CONFIG_PM_SLEEP
-int sdhci_pci_o2_resume(struct sdhci_pci_chip *chip)
+static int sdhci_pci_o2_resume(struct sdhci_pci_chip *chip)
{
sdhci_pci_o2_probe(chip);
return sdhci_pci_resume_host(chip);
diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h
index 42ccd123b046..d0ed232af0eb 100644
--- a/drivers/mmc/host/sdhci-pci.h
+++ b/drivers/mmc/host/sdhci-pci.h
@@ -72,6 +72,7 @@
#define PCI_DEVICE_ID_GLI_9755 0x9755
#define PCI_DEVICE_ID_GLI_9750 0x9750
+#define PCI_DEVICE_ID_GLI_9763E 0xe763
/*
* PCI device class and mask
@@ -195,5 +196,6 @@ extern const struct sdhci_pci_fixes sdhci_snps;
extern const struct sdhci_pci_fixes sdhci_o2;
extern const struct sdhci_pci_fixes sdhci_gl9750;
extern const struct sdhci_pci_fixes sdhci_gl9755;
+extern const struct sdhci_pci_fixes sdhci_gl9763e;
#endif /* __SDHCI_PCI_H */
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
index 2ab42c59e4f8..a910cb461ed7 100644
--- a/drivers/mmc/host/sdhci-sprd.c
+++ b/drivers/mmc/host/sdhci-sprd.c
@@ -406,7 +406,8 @@ static struct sdhci_ops sdhci_sprd_ops = {
.request_done = sdhci_sprd_request_done,
};
-static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
+static void sdhci_sprd_check_auto_cmd23(struct mmc_host *mmc,
+ struct mmc_request *mrq)
{
struct sdhci_host *host = mmc_priv(mmc);
struct sdhci_sprd_host *sprd_host = TO_SPRD_HOST(host);
@@ -422,10 +423,23 @@ static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
mrq->sbc && (mrq->sbc->arg & SDHCI_SPRD_ARG2_STUFF) &&
(host->flags & SDHCI_AUTO_CMD23))
host->flags &= ~SDHCI_AUTO_CMD23;
+}
+
+static void sdhci_sprd_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+ sdhci_sprd_check_auto_cmd23(mmc, mrq);
sdhci_request(mmc, mrq);
}
+static int sdhci_sprd_request_atomic(struct mmc_host *mmc,
+ struct mmc_request *mrq)
+{
+ sdhci_sprd_check_auto_cmd23(mmc, mrq);
+
+ return sdhci_request_atomic(mmc, mrq);
+}
+
static int sdhci_sprd_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct sdhci_host *host = mmc_priv(mmc);
@@ -434,7 +448,7 @@ static int sdhci_sprd_voltage_switch(struct mmc_host *mmc, struct mmc_ios *ios)
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
pr_err("%s: Switching signalling voltage failed\n",
mmc_hostname(mmc));
return ret;
@@ -556,11 +570,17 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
sdhci_sprd_voltage_switch;
host->mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_ERASE | MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY;
+ MMC_CAP_WAIT_WHILE_BUSY;
+
ret = mmc_of_parse(host->mmc);
if (ret)
goto pltfm_free;
+ if (!mmc_card_is_removable(host->mmc))
+ host->mmc_host_ops.request_atomic = sdhci_sprd_request_atomic;
+ else
+ host->always_defer_done = true;
+
sprd_host = TO_SPRD_HOST(host);
sdhci_sprd_phy_param_parse(sprd_host, pdev->dev.of_node);
@@ -654,8 +674,6 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
if (ret)
goto err_cleanup_host;
- host->always_defer_done = true;
-
ret = __sdhci_add_host(host);
if (ret)
goto err_cleanup_host;
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 3e2c5101291d..3a372ab3d12e 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -605,6 +605,39 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
autocal->pull_down_1v8 = 0;
err = device_property_read_u32(host->mmc->parent,
+ "nvidia,pad-autocal-pull-up-offset-sdr104",
+ &autocal->pull_up_sdr104);
+ if (err)
+ autocal->pull_up_sdr104 = autocal->pull_up_1v8;
+
+ err = device_property_read_u32(host->mmc->parent,
+ "nvidia,pad-autocal-pull-down-offset-sdr104",
+ &autocal->pull_down_sdr104);
+ if (err)
+ autocal->pull_down_sdr104 = autocal->pull_down_1v8;
+
+ err = device_property_read_u32(host->mmc->parent,
+ "nvidia,pad-autocal-pull-up-offset-hs400",
+ &autocal->pull_up_hs400);
+ if (err)
+ autocal->pull_up_hs400 = autocal->pull_up_1v8;
+
+ err = device_property_read_u32(host->mmc->parent,
+ "nvidia,pad-autocal-pull-down-offset-hs400",
+ &autocal->pull_down_hs400);
+ if (err)
+ autocal->pull_down_hs400 = autocal->pull_down_1v8;
+
+ /*
+ * Different fail-safe drive strength values based on the signaling
+ * voltage are applicable for SoCs supporting 3V3 and 1V8 pad controls.
+ * So, avoid reading below device tree properties for SoCs that don't
+ * have NVQUIRK_NEEDS_PAD_CONTROL.
+ */
+ if (!(tegra_host->soc_data->nvquirks & NVQUIRK_NEEDS_PAD_CONTROL))
+ return;
+
+ err = device_property_read_u32(host->mmc->parent,
"nvidia,pad-autocal-pull-up-offset-3v3-timeout",
&autocal->pull_up_3v3_timeout);
if (err) {
@@ -647,30 +680,6 @@ static void tegra_sdhci_parse_pad_autocal_dt(struct sdhci_host *host)
mmc_hostname(host->mmc));
autocal->pull_down_1v8_timeout = 0;
}
-
- err = device_property_read_u32(host->mmc->parent,
- "nvidia,pad-autocal-pull-up-offset-sdr104",
- &autocal->pull_up_sdr104);
- if (err)
- autocal->pull_up_sdr104 = autocal->pull_up_1v8;
-
- err = device_property_read_u32(host->mmc->parent,
- "nvidia,pad-autocal-pull-down-offset-sdr104",
- &autocal->pull_down_sdr104);
- if (err)
- autocal->pull_down_sdr104 = autocal->pull_down_1v8;
-
- err = device_property_read_u32(host->mmc->parent,
- "nvidia,pad-autocal-pull-up-offset-hs400",
- &autocal->pull_up_hs400);
- if (err)
- autocal->pull_up_hs400 = autocal->pull_up_1v8;
-
- err = device_property_read_u32(host->mmc->parent,
- "nvidia,pad-autocal-pull-down-offset-hs400",
- &autocal->pull_down_hs400);
- if (err)
- autocal->pull_down_hs400 = autocal->pull_down_1v8;
}
static void tegra_sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index 1dea1ba66f7b..4703cd540c7f 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -235,6 +235,16 @@ static void xenon_voltage_switch(struct sdhci_host *host)
{
/* Wait for 5ms after set 1.8V signal enable bit */
usleep_range(5000, 5500);
+
+ /*
+ * For some reason the controller's Host Control2 register reports
+ * the bit representing 1.8V signaling as 0 when read after it was
+ * written as 1. Subsequent read reports 1.
+ *
+ * Since this may cause some issues, do an empty read of the Host
+ * Control2 register here to circumvent this.
+ */
+ sdhci_readw(host, SDHCI_HOST_CONTROL2);
}
static const struct sdhci_ops sdhci_xenon_ops = {
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 3f716466fcfd..37b1158c1c0c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -48,10 +48,10 @@
static unsigned int debug_quirks = 0;
static unsigned int debug_quirks2;
-static void sdhci_finish_data(struct sdhci_host *);
-
static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
+static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd);
+
void sdhci_dumpregs(struct sdhci_host *host)
{
SDHCI_DUMP("============ SDHCI REGISTER DUMP ===========\n");
@@ -111,6 +111,9 @@ void sdhci_dumpregs(struct sdhci_host *host)
}
}
+ if (host->ops->dump_vendor_regs)
+ host->ops->dump_vendor_regs(host);
+
SDHCI_DUMP("============================================\n");
}
EXPORT_SYMBOL_GPL(sdhci_dumpregs);
@@ -317,6 +320,7 @@ out:
static void sdhci_init(struct sdhci_host *host, int soft)
{
struct mmc_host *mmc = host->mmc;
+ unsigned long flags;
if (soft)
sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
@@ -326,7 +330,9 @@ static void sdhci_init(struct sdhci_host *host, int soft)
if (host->v4_mode)
sdhci_do_enable_v4_mode(host);
+ spin_lock_irqsave(&host->lock, flags);
sdhci_set_default_irqs(host);
+ spin_unlock_irqrestore(&host->lock, flags);
host->cqe_on = false;
@@ -634,9 +640,13 @@ static int sdhci_pre_dma_transfer(struct sdhci_host *host,
}
if (mmc_get_dma_dir(data) == DMA_TO_DEVICE) {
/* Copy the data to the bounce buffer */
- sg_copy_to_buffer(data->sg, data->sg_len,
- host->bounce_buffer,
- length);
+ if (host->ops->copy_to_bounce_buffer) {
+ host->ops->copy_to_bounce_buffer(host,
+ data, length);
+ } else {
+ sg_copy_to_buffer(data->sg, data->sg_len,
+ host->bounce_buffer, length);
+ }
}
/* Switch ownership to the DMA */
dma_sync_single_for_device(host->mmc->parent,
@@ -1350,13 +1360,25 @@ static inline bool sdhci_auto_cmd12(struct sdhci_host *host,
!mrq->cap_cmd_during_tfr;
}
+static inline bool sdhci_auto_cmd23(struct sdhci_host *host,
+ struct mmc_request *mrq)
+{
+ return mrq->sbc && (host->flags & SDHCI_AUTO_CMD23);
+}
+
+static inline bool sdhci_manual_cmd23(struct sdhci_host *host,
+ struct mmc_request *mrq)
+{
+ return mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23);
+}
+
static inline void sdhci_auto_cmd_select(struct sdhci_host *host,
struct mmc_command *cmd,
u16 *mode)
{
bool use_cmd12 = sdhci_auto_cmd12(host, cmd->mrq) &&
(cmd->opcode != SD_IO_RW_EXTENDED);
- bool use_cmd23 = cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23);
+ bool use_cmd23 = sdhci_auto_cmd23(host, cmd->mrq);
u16 ctrl2;
/*
@@ -1416,7 +1438,7 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
if (mmc_op_multi(cmd->opcode) || data->blocks > 1) {
mode = SDHCI_TRNS_BLK_CNT_EN | SDHCI_TRNS_MULTI;
sdhci_auto_cmd_select(host, cmd, &mode);
- if (cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23))
+ if (sdhci_auto_cmd23(host, cmd->mrq))
sdhci_writel(host, cmd->mrq->sbc->arg, SDHCI_ARGUMENT2);
}
@@ -1466,6 +1488,9 @@ static void __sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq)
if (host->data_cmd && host->data_cmd->mrq == mrq)
host->data_cmd = NULL;
+ if (host->deferred_cmd && host->deferred_cmd->mrq == mrq)
+ host->deferred_cmd = NULL;
+
if (host->data && host->data->mrq == mrq)
host->data = NULL;
@@ -1487,7 +1512,7 @@ static void sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq)
queue_work(host->complete_wq, &host->complete_work);
}
-static void sdhci_finish_data(struct sdhci_host *host)
+static void __sdhci_finish_data(struct sdhci_host *host, bool sw_data_timeout)
{
struct mmc_command *data_cmd = host->data_cmd;
struct mmc_data *data = host->data;
@@ -1539,14 +1564,31 @@ static void sdhci_finish_data(struct sdhci_host *host)
} else {
/* Avoid triggering warning in sdhci_send_command() */
host->cmd = NULL;
- sdhci_send_command(host, data->stop);
+ if (!sdhci_send_command(host, data->stop)) {
+ if (sw_data_timeout) {
+ /*
+ * This is anyway a sw data timeout, so
+ * give up now.
+ */
+ data->stop->error = -EIO;
+ __sdhci_finish_mrq(host, data->mrq);
+ } else {
+ WARN_ON(host->deferred_cmd);
+ host->deferred_cmd = data->stop;
+ }
+ }
}
} else {
__sdhci_finish_mrq(host, data->mrq);
}
}
-void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
+static void sdhci_finish_data(struct sdhci_host *host)
+{
+ __sdhci_finish_data(host, false);
+}
+
+static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
{
int flags;
u32 mask;
@@ -1561,9 +1603,6 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
cmd->opcode == MMC_STOP_TRANSMISSION)
cmd->flags |= MMC_RSP_BUSY;
- /* Wait max 10 ms */
- timeout = 10;
-
mask = SDHCI_CMD_INHIBIT;
if (sdhci_data_line_cmd(cmd))
mask |= SDHCI_DATA_INHIBIT;
@@ -1573,18 +1612,8 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
if (cmd->mrq->data && (cmd == cmd->mrq->data->stop))
mask &= ~SDHCI_DATA_INHIBIT;
- while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) {
- if (timeout == 0) {
- pr_err("%s: Controller never released inhibit bit(s).\n",
- mmc_hostname(host->mmc));
- sdhci_dumpregs(host);
- cmd->error = -EIO;
- sdhci_finish_mrq(host, cmd->mrq);
- return;
- }
- timeout--;
- mdelay(1);
- }
+ if (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask)
+ return false;
host->cmd = cmd;
host->data_timeout = 0;
@@ -1606,11 +1635,13 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
sdhci_set_transfer_mode(host, cmd);
if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
- pr_err("%s: Unsupported response type!\n",
- mmc_hostname(host->mmc));
- cmd->error = -EINVAL;
- sdhci_finish_mrq(host, cmd->mrq);
- return;
+ WARN_ONCE(1, "Unsupported response type!\n");
+ /*
+ * This does not happen in practice because 136-bit response
+ * commands never have busy waiting, so rather than complicate
+ * the error path, just remove busy waiting and continue.
+ */
+ cmd->flags &= ~MMC_RSP_BUSY;
}
if (!(cmd->flags & MMC_RSP_PRESENT))
@@ -1645,8 +1676,61 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
sdhci_external_dma_pre_transfer(host, cmd);
sdhci_writew(host, SDHCI_MAKE_CMD(cmd->opcode, flags), SDHCI_COMMAND);
+
+ return true;
+}
+
+static bool sdhci_present_error(struct sdhci_host *host,
+ struct mmc_command *cmd, bool present)
+{
+ if (!present || host->flags & SDHCI_DEVICE_DEAD) {
+ cmd->error = -ENOMEDIUM;
+ return true;
+ }
+
+ return false;
+}
+
+static bool sdhci_send_command_retry(struct sdhci_host *host,
+ struct mmc_command *cmd,
+ unsigned long flags)
+ __releases(host->lock)
+ __acquires(host->lock)
+{
+ struct mmc_command *deferred_cmd = host->deferred_cmd;
+ int timeout = 10; /* Approx. 10 ms */
+ bool present;
+
+ while (!sdhci_send_command(host, cmd)) {
+ if (!timeout--) {
+ pr_err("%s: Controller never released inhibit bit(s).\n",
+ mmc_hostname(host->mmc));
+ sdhci_dumpregs(host);
+ cmd->error = -EIO;
+ return false;
+ }
+
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ usleep_range(1000, 1250);
+
+ present = host->mmc->ops->get_cd(host->mmc);
+
+ spin_lock_irqsave(&host->lock, flags);
+
+ /* A deferred command might disappear, handle that */
+ if (cmd == deferred_cmd && cmd != host->deferred_cmd)
+ return true;
+
+ if (sdhci_present_error(host, cmd, present))
+ return false;
+ }
+
+ if (cmd == host->deferred_cmd)
+ host->deferred_cmd = NULL;
+
+ return true;
}
-EXPORT_SYMBOL_GPL(sdhci_send_command);
static void sdhci_read_rsp_136(struct sdhci_host *host, struct mmc_command *cmd)
{
@@ -1707,7 +1791,10 @@ static void sdhci_finish_command(struct sdhci_host *host)
/* Finished CMD23, now send actual command. */
if (cmd == cmd->mrq->sbc) {
- sdhci_send_command(host, cmd->mrq->cmd);
+ if (!sdhci_send_command(host, cmd->mrq->cmd)) {
+ WARN_ON(host->deferred_cmd);
+ host->deferred_cmd = cmd->mrq->cmd;
+ }
} else {
/* Processed actual command. */
@@ -2037,11 +2124,10 @@ EXPORT_SYMBOL_GPL(sdhci_set_power_and_bus_voltage);
void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
- struct sdhci_host *host;
- int present;
+ struct sdhci_host *host = mmc_priv(mmc);
+ struct mmc_command *cmd;
unsigned long flags;
-
- host = mmc_priv(mmc);
+ bool present;
/* Firstly check card presence */
present = mmc->ops->get_cd(mmc);
@@ -2050,19 +2136,57 @@ void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
sdhci_led_activate(host);
- if (!present || host->flags & SDHCI_DEVICE_DEAD) {
- mrq->cmd->error = -ENOMEDIUM;
+ if (sdhci_present_error(host, mrq->cmd, present))
+ goto out_finish;
+
+ cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd;
+
+ if (!sdhci_send_command_retry(host, cmd, flags))
+ goto out_finish;
+
+ spin_unlock_irqrestore(&host->lock, flags);
+
+ return;
+
+out_finish:
+ sdhci_finish_mrq(host, mrq);
+ spin_unlock_irqrestore(&host->lock, flags);
+}
+EXPORT_SYMBOL_GPL(sdhci_request);
+
+int sdhci_request_atomic(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+ struct sdhci_host *host = mmc_priv(mmc);
+ struct mmc_command *cmd;
+ unsigned long flags;
+ int ret = 0;
+
+ spin_lock_irqsave(&host->lock, flags);
+
+ if (sdhci_present_error(host, mrq->cmd, true)) {
sdhci_finish_mrq(host, mrq);
- } else {
- if (mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23))
- sdhci_send_command(host, mrq->sbc);
- else
- sdhci_send_command(host, mrq->cmd);
+ goto out_finish;
}
+ cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd;
+
+ /*
+ * The HSQ may send a command in interrupt context without polling
+ * the busy signaling, which means we should return BUSY if controller
+ * has not released inhibit bits to allow HSQ trying to send request
+ * again in non-atomic context. So we should not finish this request
+ * here.
+ */
+ if (!sdhci_send_command(host, cmd))
+ ret = -EBUSY;
+ else
+ sdhci_led_activate(host);
+
+out_finish:
spin_unlock_irqrestore(&host->lock, flags);
+ return ret;
}
-EXPORT_SYMBOL_GPL(sdhci_request);
+EXPORT_SYMBOL_GPL(sdhci_request_atomic);
void sdhci_set_bus_width(struct sdhci_host *host, int width)
{
@@ -2411,7 +2535,7 @@ int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
pr_warn("%s: Switching to 3.3V signalling voltage failed\n",
mmc_hostname(mmc));
return -EIO;
@@ -2434,7 +2558,7 @@ int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
return -EINVAL;
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
pr_warn("%s: Switching to 1.8V signalling voltage failed\n",
mmc_hostname(mmc));
return -EIO;
@@ -2466,7 +2590,7 @@ int sdhci_start_signal_voltage_switch(struct mmc_host *mmc,
return -EINVAL;
if (!IS_ERR(mmc->supply.vqmmc)) {
ret = mmc_regulator_set_vqmmc(mmc, ios);
- if (ret) {
+ if (ret < 0) {
pr_warn("%s: Switching to 1.2V signalling voltage failed\n",
mmc_hostname(mmc));
return -EIO;
@@ -2600,7 +2724,11 @@ void sdhci_send_tuning(struct sdhci_host *host, u32 opcode)
*/
sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE);
- sdhci_send_command(host, &cmd);
+ if (!sdhci_send_command_retry(host, &cmd, flags)) {
+ spin_unlock_irqrestore(&host->lock, flags);
+ host->tuning_done = 0;
+ return;
+ }
host->cmd = NULL;
@@ -3018,7 +3146,7 @@ static void sdhci_timeout_data_timer(struct timer_list *t)
if (host->data) {
host->data->error = -ETIMEDOUT;
- sdhci_finish_data(host);
+ __sdhci_finish_data(host, true);
queue_work(host->complete_wq, &host->complete_work);
} else if (host->data_cmd) {
host->data_cmd->error = -ETIMEDOUT;
@@ -3390,6 +3518,9 @@ cont:
}
}
out:
+ if (host->deferred_cmd)
+ result = IRQ_WAKE_THREAD;
+
spin_unlock(&host->lock);
/* Process mrqs ready for immediate completion */
@@ -3415,6 +3546,7 @@ out:
static irqreturn_t sdhci_thread_irq(int irq, void *dev_id)
{
struct sdhci_host *host = dev_id;
+ struct mmc_command *cmd;
unsigned long flags;
u32 isr;
@@ -3422,8 +3554,14 @@ static irqreturn_t sdhci_thread_irq(int irq, void *dev_id)
;
spin_lock_irqsave(&host->lock, flags);
+
isr = host->thread_isr;
host->thread_isr = 0;
+
+ cmd = host->deferred_cmd;
+ if (cmd && !sdhci_send_command_retry(host, cmd, flags))
+ sdhci_finish_mrq(host, cmd->mrq);
+
spin_unlock_irqrestore(&host->lock, flags);
if (isr & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
@@ -4000,9 +4138,6 @@ int sdhci_setup_host(struct sdhci_host *host)
mmc_hostname(mmc), host->version);
}
- if (host->quirks & SDHCI_QUIRK_BROKEN_CQE)
- mmc->caps2 &= ~MMC_CAP2_CQE;
-
if (host->quirks & SDHCI_QUIRK_FORCE_DMA)
host->flags |= SDHCI_USE_SDMA;
else if (!(host->caps & SDHCI_CAN_DO_SDMA))
@@ -4117,11 +4252,9 @@ int sdhci_setup_host(struct sdhci_host *host)
}
if (host->version >= SDHCI_SPEC_300)
- host->max_clk = (host->caps & SDHCI_CLOCK_V3_BASE_MASK)
- >> SDHCI_CLOCK_BASE_SHIFT;
+ host->max_clk = FIELD_GET(SDHCI_CLOCK_V3_BASE_MASK, host->caps);
else
- host->max_clk = (host->caps & SDHCI_CLOCK_BASE_MASK)
- >> SDHCI_CLOCK_BASE_SHIFT;
+ host->max_clk = FIELD_GET(SDHCI_CLOCK_BASE_MASK, host->caps);
host->max_clk *= 1000000;
if (host->max_clk == 0 || host->quirks &
@@ -4139,8 +4272,7 @@ int sdhci_setup_host(struct sdhci_host *host)
* In case of Host Controller v3.00, find out whether clock
* multiplier is supported.
*/
- host->clk_mul = (host->caps1 & SDHCI_CLOCK_MUL_MASK) >>
- SDHCI_CLOCK_MUL_SHIFT;
+ host->clk_mul = FIELD_GET(SDHCI_CLOCK_MUL_MASK, host->caps1);
/*
* In case the value in Clock Multiplier is 0, then programmable
@@ -4173,8 +4305,7 @@ int sdhci_setup_host(struct sdhci_host *host)
mmc->f_max = max_clk;
if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) {
- host->timeout_clk = (host->caps & SDHCI_TIMEOUT_CLK_MASK) >>
- SDHCI_TIMEOUT_CLK_SHIFT;
+ host->timeout_clk = FIELD_GET(SDHCI_TIMEOUT_CLK_MASK, host->caps);
if (host->caps & SDHCI_TIMEOUT_CLK_UNIT)
host->timeout_clk *= 1000;
@@ -4204,7 +4335,7 @@ int sdhci_setup_host(struct sdhci_host *host)
!host->ops->get_max_timeout_count)
mmc->max_busy_timeout = 0;
- mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
+ mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_CMD23;
mmc->caps2 |= MMC_CAP2_SDIO_IRQ_NOTHREAD;
if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12)
@@ -4326,8 +4457,8 @@ int sdhci_setup_host(struct sdhci_host *host)
mmc->caps |= MMC_CAP_DRIVER_TYPE_D;
/* Initial value for re-tuning timer count */
- host->tuning_count = (host->caps1 & SDHCI_RETUNING_TIMER_COUNT_MASK) >>
- SDHCI_RETUNING_TIMER_COUNT_SHIFT;
+ host->tuning_count = FIELD_GET(SDHCI_RETUNING_TIMER_COUNT_MASK,
+ host->caps1);
/*
* In case Re-tuning Timer is not disabled, the actual value of
@@ -4337,8 +4468,7 @@ int sdhci_setup_host(struct sdhci_host *host)
host->tuning_count = 1 << (host->tuning_count - 1);
/* Re-tuning mode supported by the Host Controller */
- host->tuning_mode = (host->caps1 & SDHCI_RETUNING_MODE_MASK) >>
- SDHCI_RETUNING_MODE_SHIFT;
+ host->tuning_mode = FIELD_GET(SDHCI_RETUNING_MODE_MASK, host->caps1);
ocr_avail = 0;
@@ -4360,35 +4490,32 @@ int sdhci_setup_host(struct sdhci_host *host)
curr = min_t(u32, curr, SDHCI_MAX_CURRENT_LIMIT);
max_current_caps =
- (curr << SDHCI_MAX_CURRENT_330_SHIFT) |
- (curr << SDHCI_MAX_CURRENT_300_SHIFT) |
- (curr << SDHCI_MAX_CURRENT_180_SHIFT);
+ FIELD_PREP(SDHCI_MAX_CURRENT_330_MASK, curr) |
+ FIELD_PREP(SDHCI_MAX_CURRENT_300_MASK, curr) |
+ FIELD_PREP(SDHCI_MAX_CURRENT_180_MASK, curr);
}
}
if (host->caps & SDHCI_CAN_VDD_330) {
ocr_avail |= MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->max_current_330 = ((max_current_caps &
- SDHCI_MAX_CURRENT_330_MASK) >>
- SDHCI_MAX_CURRENT_330_SHIFT) *
- SDHCI_MAX_CURRENT_MULTIPLIER;
+ mmc->max_current_330 = FIELD_GET(SDHCI_MAX_CURRENT_330_MASK,
+ max_current_caps) *
+ SDHCI_MAX_CURRENT_MULTIPLIER;
}
if (host->caps & SDHCI_CAN_VDD_300) {
ocr_avail |= MMC_VDD_29_30 | MMC_VDD_30_31;
- mmc->max_current_300 = ((max_current_caps &
- SDHCI_MAX_CURRENT_300_MASK) >>
- SDHCI_MAX_CURRENT_300_SHIFT) *
- SDHCI_MAX_CURRENT_MULTIPLIER;
+ mmc->max_current_300 = FIELD_GET(SDHCI_MAX_CURRENT_300_MASK,
+ max_current_caps) *
+ SDHCI_MAX_CURRENT_MULTIPLIER;
}
if (host->caps & SDHCI_CAN_VDD_180) {
ocr_avail |= MMC_VDD_165_195;
- mmc->max_current_180 = ((max_current_caps &
- SDHCI_MAX_CURRENT_180_MASK) >>
- SDHCI_MAX_CURRENT_180_SHIFT) *
- SDHCI_MAX_CURRENT_MULTIPLIER;
+ mmc->max_current_180 = FIELD_GET(SDHCI_MAX_CURRENT_180_MASK,
+ max_current_caps) *
+ SDHCI_MAX_CURRENT_MULTIPLIER;
}
/* If OCR set by host, use it instead. */
@@ -4539,6 +4666,12 @@ int __sdhci_add_host(struct sdhci_host *host)
struct mmc_host *mmc = host->mmc;
int ret;
+ if ((mmc->caps2 & MMC_CAP2_CQE) &&
+ (host->quirks & SDHCI_QUIRK_BROKEN_CQE)) {
+ mmc->caps2 &= ~MMC_CAP2_CQE;
+ mmc->cqe_ops = NULL;
+ }
+
host->complete_wq = alloc_workqueue("sdhci", flags, 0);
if (!host->complete_wq)
return -ENOMEM;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 79dffbb731d3..0008bbd27127 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -200,12 +200,10 @@
#define SDHCI_CTRL_PRESET_VAL_ENABLE 0x8000
#define SDHCI_CAPABILITIES 0x40
-#define SDHCI_TIMEOUT_CLK_MASK 0x0000003F
-#define SDHCI_TIMEOUT_CLK_SHIFT 0
+#define SDHCI_TIMEOUT_CLK_MASK GENMASK(5, 0)
#define SDHCI_TIMEOUT_CLK_UNIT 0x00000080
-#define SDHCI_CLOCK_BASE_MASK 0x00003F00
-#define SDHCI_CLOCK_V3_BASE_MASK 0x0000FF00
-#define SDHCI_CLOCK_BASE_SHIFT 8
+#define SDHCI_CLOCK_BASE_MASK GENMASK(13, 8)
+#define SDHCI_CLOCK_V3_BASE_MASK GENMASK(15, 8)
#define SDHCI_MAX_BLOCK_MASK 0x00030000
#define SDHCI_MAX_BLOCK_SHIFT 16
#define SDHCI_CAN_DO_8BIT 0x00040000
@@ -220,32 +218,25 @@
#define SDHCI_CAN_64BIT_V4 0x08000000
#define SDHCI_CAN_64BIT 0x10000000
+#define SDHCI_CAPABILITIES_1 0x44
#define SDHCI_SUPPORT_SDR50 0x00000001
#define SDHCI_SUPPORT_SDR104 0x00000002
#define SDHCI_SUPPORT_DDR50 0x00000004
#define SDHCI_DRIVER_TYPE_A 0x00000010
#define SDHCI_DRIVER_TYPE_C 0x00000020
#define SDHCI_DRIVER_TYPE_D 0x00000040
-#define SDHCI_RETUNING_TIMER_COUNT_MASK 0x00000F00
-#define SDHCI_RETUNING_TIMER_COUNT_SHIFT 8
+#define SDHCI_RETUNING_TIMER_COUNT_MASK GENMASK(11, 8)
#define SDHCI_USE_SDR50_TUNING 0x00002000
-#define SDHCI_RETUNING_MODE_MASK 0x0000C000
-#define SDHCI_RETUNING_MODE_SHIFT 14
-#define SDHCI_CLOCK_MUL_MASK 0x00FF0000
-#define SDHCI_CLOCK_MUL_SHIFT 16
+#define SDHCI_RETUNING_MODE_MASK GENMASK(15, 14)
+#define SDHCI_CLOCK_MUL_MASK GENMASK(23, 16)
#define SDHCI_CAN_DO_ADMA3 0x08000000
#define SDHCI_SUPPORT_HS400 0x80000000 /* Non-standard */
-#define SDHCI_CAPABILITIES_1 0x44
-
#define SDHCI_MAX_CURRENT 0x48
-#define SDHCI_MAX_CURRENT_LIMIT 0xFF
-#define SDHCI_MAX_CURRENT_330_MASK 0x0000FF
-#define SDHCI_MAX_CURRENT_330_SHIFT 0
-#define SDHCI_MAX_CURRENT_300_MASK 0x00FF00
-#define SDHCI_MAX_CURRENT_300_SHIFT 8
-#define SDHCI_MAX_CURRENT_180_MASK 0xFF0000
-#define SDHCI_MAX_CURRENT_180_SHIFT 16
+#define SDHCI_MAX_CURRENT_LIMIT GENMASK(7, 0)
+#define SDHCI_MAX_CURRENT_330_MASK GENMASK(7, 0)
+#define SDHCI_MAX_CURRENT_300_MASK GENMASK(15, 8)
+#define SDHCI_MAX_CURRENT_180_MASK GENMASK(23, 16)
#define SDHCI_MAX_CURRENT_MULTIPLIER 4
/* 4C-4F reserved for more max current */
@@ -540,6 +531,7 @@ struct sdhci_host {
struct mmc_request *mrqs_done[SDHCI_MAX_MRQS]; /* Requests done */
struct mmc_command *cmd; /* Current command */
struct mmc_command *data_cmd; /* Current data command */
+ struct mmc_command *deferred_cmd; /* Deferred command */
struct mmc_data *data; /* Current data request */
unsigned int data_early:1; /* Data finished before cmd */
@@ -653,8 +645,12 @@ struct sdhci_ops {
void (*voltage_switch)(struct sdhci_host *host);
void (*adma_write_desc)(struct sdhci_host *host, void **desc,
dma_addr_t addr, int len, unsigned int cmd);
+ void (*copy_to_bounce_buffer)(struct sdhci_host *host,
+ struct mmc_data *data,
+ unsigned int length);
void (*request_done)(struct sdhci_host *host,
struct mmc_request *mrq);
+ void (*dump_vendor_regs)(struct sdhci_host *host);
};
#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
@@ -757,7 +753,6 @@ void sdhci_cleanup_host(struct sdhci_host *host);
int __sdhci_add_host(struct sdhci_host *host);
int sdhci_add_host(struct sdhci_host *host);
void sdhci_remove_host(struct sdhci_host *host, int dead);
-void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd);
static inline void sdhci_read_caps(struct sdhci_host *host)
{
@@ -776,6 +771,7 @@ void sdhci_set_power_and_bus_voltage(struct sdhci_host *host,
void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
unsigned short vdd);
void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq);
+int sdhci_request_atomic(struct mmc_host *mmc, struct mmc_request *mrq);
void sdhci_set_bus_width(struct sdhci_host *host, int width);
void sdhci_reset(struct sdhci_host *host, u8 mask);
void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);
diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c
index a38b8b2a4e5c..76a8cd3a186f 100644
--- a/drivers/mmc/host/sdricoh_cs.c
+++ b/drivers/mmc/host/sdricoh_cs.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/ioport.h>
+#include <linux/iopoll.h>
#include <linux/scatterlist.h>
#include <pcmcia/cistpl.h>
@@ -22,6 +23,7 @@
#include <linux/io.h>
#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
#define DRIVER_NAME "sdricoh_cs"
@@ -57,10 +59,8 @@ static unsigned int switchlocked;
#define STATUS_BUSY 0x40000000
/* timeouts */
-#define INIT_TIMEOUT 100
-#define CMD_TIMEOUT 100000
-#define TRANSFER_TIMEOUT 100000
-#define BUSY_TIMEOUT 32767
+#define SDRICOH_CMD_TIMEOUT_US 1000000
+#define SDRICOH_DATA_TIMEOUT_US 1000000
/* list of supported pcmcia devices */
static const struct pcmcia_device_id pcmcia_ids[] = {
@@ -124,19 +124,24 @@ static inline unsigned int sdricoh_readb(struct sdricoh_host *host,
return value;
}
-static int sdricoh_query_status(struct sdricoh_host *host, unsigned int wanted,
- unsigned int timeout){
- unsigned int loop;
+static bool sdricoh_status_ok(struct sdricoh_host *host, unsigned int status,
+ unsigned int wanted)
+{
+ sdricoh_writel(host, R2E4_STATUS_RESP, status);
+ return status & wanted;
+}
+
+static int sdricoh_query_status(struct sdricoh_host *host, unsigned int wanted)
+{
+ int ret;
unsigned int status = 0;
struct device *dev = host->dev;
- for (loop = 0; loop < timeout; loop++) {
- status = sdricoh_readl(host, R21C_STATUS);
- sdricoh_writel(host, R2E4_STATUS_RESP, status);
- if (status & wanted)
- break;
- }
- if (loop == timeout) {
+ ret = read_poll_timeout(sdricoh_readl, status,
+ sdricoh_status_ok(host, status, wanted),
+ 32, SDRICOH_DATA_TIMEOUT_US, false,
+ host, R21C_STATUS);
+ if (ret) {
dev_err(dev, "query_status: timeout waiting for %x\n", wanted);
return -ETIMEDOUT;
}
@@ -150,35 +155,46 @@ static int sdricoh_query_status(struct sdricoh_host *host, unsigned int wanted,
}
-static int sdricoh_mmc_cmd(struct sdricoh_host *host, unsigned char opcode,
- unsigned int arg)
+static int sdricoh_mmc_cmd(struct sdricoh_host *host, struct mmc_command *cmd)
{
- unsigned int status;
- int result = 0;
- unsigned int loop = 0;
+ unsigned int status, timeout_us;
+ int ret;
+ unsigned char opcode = cmd->opcode;
+
/* reset status reg? */
sdricoh_writel(host, R21C_STATUS, 0x18);
+
+ /* MMC_APP_CMDs need some special handling */
+ if (host->app_cmd) {
+ opcode |= 64;
+ host->app_cmd = 0;
+ } else if (opcode == MMC_APP_CMD)
+ host->app_cmd = 1;
+
/* fill parameters */
- sdricoh_writel(host, R204_CMD_ARG, arg);
+ sdricoh_writel(host, R204_CMD_ARG, cmd->arg);
sdricoh_writel(host, R200_CMD, (0x10000 << 8) | opcode);
+
/* wait for command completion */
- if (opcode) {
- for (loop = 0; loop < CMD_TIMEOUT; loop++) {
- status = sdricoh_readl(host, R21C_STATUS);
- sdricoh_writel(host, R2E4_STATUS_RESP, status);
- if (status & STATUS_CMD_FINISHED)
- break;
- }
- /* don't check for timeout in the loop it is not always
- reset correctly
- */
- if (loop == CMD_TIMEOUT || status & STATUS_CMD_TIMEOUT)
- result = -ETIMEDOUT;
+ if (!opcode)
+ return 0;
- }
+ timeout_us = cmd->busy_timeout ? cmd->busy_timeout * 1000 :
+ SDRICOH_CMD_TIMEOUT_US;
- return result;
+ ret = read_poll_timeout(sdricoh_readl, status,
+ sdricoh_status_ok(host, status, STATUS_CMD_FINISHED),
+ 32, timeout_us, false,
+ host, R21C_STATUS);
+
+ /*
+ * Don't check for timeout status in the loop, as it's not always reset
+ * correctly.
+ */
+ if (ret || status & STATUS_CMD_TIMEOUT)
+ return -ETIMEDOUT;
+ return 0;
}
static int sdricoh_reset(struct sdricoh_host *host)
@@ -207,8 +223,7 @@ static int sdricoh_blockio(struct sdricoh_host *host, int read,
u32 data = 0;
/* wait until the data is available */
if (read) {
- if (sdricoh_query_status(host, STATUS_READY_TO_READ,
- TRANSFER_TIMEOUT))
+ if (sdricoh_query_status(host, STATUS_READY_TO_READ))
return -ETIMEDOUT;
sdricoh_writel(host, R21C_STATUS, 0x18);
/* read data */
@@ -224,8 +239,7 @@ static int sdricoh_blockio(struct sdricoh_host *host, int read,
}
}
} else {
- if (sdricoh_query_status(host, STATUS_READY_TO_WRITE,
- TRANSFER_TIMEOUT))
+ if (sdricoh_query_status(host, STATUS_READY_TO_WRITE))
return -ETIMEDOUT;
sdricoh_writel(host, R21C_STATUS, 0x18);
/* write data */
@@ -251,28 +265,20 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq)
struct mmc_command *cmd = mrq->cmd;
struct mmc_data *data = cmd->data;
struct device *dev = host->dev;
- unsigned char opcode = cmd->opcode;
int i;
dev_dbg(dev, "=============================\n");
- dev_dbg(dev, "sdricoh_request opcode=%i\n", opcode);
+ dev_dbg(dev, "sdricoh_request opcode=%i\n", cmd->opcode);
sdricoh_writel(host, R21C_STATUS, 0x18);
- /* MMC_APP_CMDs need some special handling */
- if (host->app_cmd) {
- opcode |= 64;
- host->app_cmd = 0;
- } else if (opcode == 55)
- host->app_cmd = 1;
-
/* read/write commands seem to require this */
if (data) {
sdricoh_writew(host, R226_BLOCKSIZE, data->blksz);
sdricoh_writel(host, R208_DATAIO, 0);
}
- cmd->error = sdricoh_mmc_cmd(host, opcode, cmd->arg);
+ cmd->error = sdricoh_mmc_cmd(host, cmd);
/* read response buffer */
if (cmd->flags & MMC_RSP_PRESENT) {
@@ -323,8 +329,7 @@ static void sdricoh_request(struct mmc_host *mmc, struct mmc_request *mrq)
sdricoh_writel(host, R208_DATAIO, 1);
- if (sdricoh_query_status(host, STATUS_TRANSFER_FINISHED,
- TRANSFER_TIMEOUT)) {
+ if (sdricoh_query_status(host, STATUS_TRANSFER_FINISHED)) {
dev_err(dev, "sdricoh_request: transfer end error\n");
cmd->error = -EINVAL;
}
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index f87d7967457f..5e95bbc51644 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -951,9 +951,13 @@ static void sunxi_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
static int sunxi_mmc_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios)
{
+ int ret;
+
/* vqmmc regulator is available */
- if (!IS_ERR(mmc->supply.vqmmc))
- return mmc_regulator_set_vqmmc(mmc, ios);
+ if (!IS_ERR(mmc->supply.vqmmc)) {
+ ret = mmc_regulator_set_vqmmc(mmc, ios);
+ return ret < 0 ? ret : 0;
+ }
/* no vqmmc regulator, assume fixed regulator at 3/3.3V */
if (mmc->ios.signal_voltage == MMC_SIGNAL_VOLTAGE_330)
@@ -1390,7 +1394,7 @@ static int sunxi_mmc_probe(struct platform_device *pdev)
mmc->f_min = 400000;
mmc->f_max = 52000000;
mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
- MMC_CAP_ERASE | MMC_CAP_SDIO_IRQ;
+ MMC_CAP_SDIO_IRQ;
/*
* Some H5 devices do not have signal traces precise enough to
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index 54271b92ee59..5987656e0474 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -73,6 +73,8 @@ module_param(fixed_timeout, bool, 0644);
#define TIFM_MMCSD_MAX_BLOCK_SIZE 0x0800UL
+#define TIFM_MMCSD_REQ_TIMEOUT_MS 1000
+
enum {
CMD_READY = 0x0001,
FIFO_READY = 0x0002,
@@ -959,7 +961,12 @@ static int tifm_sd_probe(struct tifm_dev *sock)
host = mmc_priv(mmc);
tifm_set_drvdata(sock, mmc);
host->dev = sock;
- host->timeout_jiffies = msecs_to_jiffies(1000);
+ host->timeout_jiffies = msecs_to_jiffies(TIFM_MMCSD_REQ_TIMEOUT_MS);
+ /*
+ * We use a fixed request timeout of 1s, hence inform the core about it.
+ * A future improvement should instead respect the cmd->busy_timeout.
+ */
+ mmc->max_busy_timeout = TIFM_MMCSD_REQ_TIMEOUT_MS;
tasklet_init(&host->finish_tasklet, tifm_sd_end_cmd,
(unsigned long)host);
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 9520bd94cf43..d7fde57c78c1 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -39,7 +39,6 @@
#include <linux/module.h>
#include <linux/pagemap.h>
#include <linux/platform_device.h>
-#include <linux/pm_domain.h>
#include <linux/pm_qos.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
@@ -1128,7 +1127,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
if (ret == -EPROBE_DEFER)
return ret;
- mmc->caps |= MMC_CAP_ERASE | MMC_CAP_4_BIT_DATA | pdata->capabilities;
+ mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
mmc->caps2 |= pdata->capabilities2;
mmc->max_segs = pdata->max_segs ? : 32;
mmc->max_blk_size = TMIO_MAX_BLK_SIZE;
@@ -1192,7 +1191,6 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
/* See if we also get DMA */
tmio_mmc_request_dma(_host, pdata);
- dev_pm_domain_start(&pdev->dev);
pm_runtime_get_noresume(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
@@ -1231,12 +1229,14 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host)
cancel_work_sync(&host->done);
cancel_delayed_work_sync(&host->delayed_reset_work);
tmio_mmc_release_dma(host);
+ tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_ALL);
- pm_runtime_dont_use_autosuspend(&pdev->dev);
if (host->native_hotplug)
pm_runtime_put_noidle(&pdev->dev);
- pm_runtime_put_sync(&pdev->dev);
+
pm_runtime_disable(&pdev->dev);
+ pm_runtime_dont_use_autosuspend(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
}
EXPORT_SYMBOL_GPL(tmio_mmc_host_remove);
diff --git a/drivers/mmc/host/uniphier-sd.c b/drivers/mmc/host/uniphier-sd.c
index a1683c49cb90..f82baf99fd69 100644
--- a/drivers/mmc/host/uniphier-sd.c
+++ b/drivers/mmc/host/uniphier-sd.c
@@ -610,11 +610,6 @@ static int uniphier_sd_probe(struct platform_device *pdev)
}
}
- ret = devm_request_irq(dev, irq, tmio_mmc_irq, IRQF_SHARED,
- dev_name(dev), host);
- if (ret)
- goto free_host;
-
if (priv->caps & UNIPHIER_SD_CAP_EXTENDED_IP)
host->dma_ops = &uniphier_sd_internal_dma_ops;
else
@@ -642,8 +637,15 @@ static int uniphier_sd_probe(struct platform_device *pdev)
if (ret)
goto free_host;
+ ret = devm_request_irq(dev, irq, tmio_mmc_irq, IRQF_SHARED,
+ dev_name(dev), host);
+ if (ret)
+ goto remove_host;
+
return 0;
+remove_host:
+ tmio_mmc_host_remove(host);
free_host:
tmio_mmc_host_free(host);
diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
index 9a0b1e4e405d..369b8dee2e3d 100644
--- a/drivers/mmc/host/usdhi6rol0.c
+++ b/drivers/mmc/host/usdhi6rol0.c
@@ -136,6 +136,8 @@
#define USDHI6_MIN_DMA 64
+#define USDHI6_REQ_TIMEOUT_MS 4000
+
enum usdhi6_wait_for {
USDHI6_WAIT_FOR_REQUEST,
USDHI6_WAIT_FOR_CMD,
@@ -1763,7 +1765,12 @@ static int usdhi6_probe(struct platform_device *pdev)
host = mmc_priv(mmc);
host->mmc = mmc;
host->wait = USDHI6_WAIT_FOR_REQUEST;
- host->timeout = msecs_to_jiffies(4000);
+ host->timeout = msecs_to_jiffies(USDHI6_REQ_TIMEOUT_MS);
+ /*
+ * We use a fixed timeout of 4s, hence inform the core about it. A
+ * future improvement should instead respect the cmd->busy_timeout.
+ */
+ mmc->max_busy_timeout = USDHI6_REQ_TIMEOUT_MS;
host->pinctrl = devm_pinctrl_get(&pdev->dev);
if (IS_ERR(host->pinctrl)) {
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index e48bddd95ce6..ef95bce50889 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -319,6 +319,8 @@ struct via_crdr_mmc_host {
/* some devices need a very long delay for power to stabilize */
#define VIA_CRDR_QUIRK_300MS_PWRDELAY 0x0001
+#define VIA_CMD_TIMEOUT_MS 1000
+
static const struct pci_device_id via_ids[] = {
{PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_9530,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0,},
@@ -551,14 +553,17 @@ static void via_sdc_send_command(struct via_crdr_mmc_host *host,
{
void __iomem *addrbase;
struct mmc_data *data;
+ unsigned int timeout_ms;
u32 cmdctrl = 0;
WARN_ON(host->cmd);
data = cmd->data;
- mod_timer(&host->timer, jiffies + HZ);
host->cmd = cmd;
+ timeout_ms = cmd->busy_timeout ? cmd->busy_timeout : VIA_CMD_TIMEOUT_MS;
+ mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout_ms));
+
/*Command index*/
cmdctrl = cmd->opcode << 8;
diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c
index 740179f42cf2..67f917d6ecd3 100644
--- a/drivers/mmc/host/wbsd.c
+++ b/drivers/mmc/host/wbsd.c
@@ -28,6 +28,8 @@
#include <linux/pnp.h>
#include <linux/highmem.h>
#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
+#include <linux/mmc/sd.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
@@ -770,22 +772,22 @@ static void wbsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
* interrupts.
*/
switch (cmd->opcode) {
- case 11:
- case 17:
- case 18:
- case 20:
- case 24:
- case 25:
- case 26:
- case 27:
- case 30:
- case 42:
- case 56:
+ case SD_SWITCH_VOLTAGE:
+ case MMC_READ_SINGLE_BLOCK:
+ case MMC_READ_MULTIPLE_BLOCK:
+ case MMC_WRITE_DAT_UNTIL_STOP:
+ case MMC_WRITE_BLOCK:
+ case MMC_WRITE_MULTIPLE_BLOCK:
+ case MMC_PROGRAM_CID:
+ case MMC_PROGRAM_CSD:
+ case MMC_SEND_WRITE_PROT:
+ case MMC_LOCK_UNLOCK:
+ case MMC_GEN_CMD:
break;
/* ACMDs. We don't keep track of state, so we just treat them
* like any other command. */
- case 51:
+ case SD_APP_SEND_SCR:
break;
default:
diff --git a/drivers/most/core.c b/drivers/most/core.c
index 06426fc5c990..f781c46cd4af 100644
--- a/drivers/most/core.c
+++ b/drivers/most/core.c
@@ -1483,7 +1483,7 @@ static void __exit most_exit(void)
ida_destroy(&mdev_id);
}
-module_init(most_init);
+subsys_initcall(most_init);
module_exit(most_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Christian Gromm <christian.gromm@microchip.com>");
diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
index 42d401ea60ee..6ddab796216d 100644
--- a/drivers/mtd/Kconfig
+++ b/drivers/mtd/Kconfig
@@ -170,6 +170,16 @@ config MTD_OOPS
buffer in a flash partition where it can be read back at some
later point.
+config MTD_PSTORE
+ tristate "Log panic/oops to an MTD buffer based on pstore"
+ depends on PSTORE_BLK
+ help
+ This enables panic and oops messages to be logged to a circular
+ buffer in a flash partition where it can be read back as files after
+ mounting pstore filesystem.
+
+ If unsure, say N.
+
config MTD_SWAP
tristate "Swap on MTD device support"
depends on MTD && SWAP
diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile
index 56cc60ccc477..593d0593a038 100644
--- a/drivers/mtd/Makefile
+++ b/drivers/mtd/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_RFD_FTL) += rfd_ftl.o
obj-$(CONFIG_SSFDC) += ssfdc.o
obj-$(CONFIG_SM_FTL) += sm_ftl.o
obj-$(CONFIG_MTD_OOPS) += mtdoops.o
+obj-$(CONFIG_MTD_PSTORE) += mtdpstore.o
obj-$(CONFIG_MTD_SWAP) += mtdswap.o
nftl-objs := nftlcore.o nftlmount.o
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 2916674208b3..b47691e1b81c 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -555,7 +555,7 @@ static int mtd_nvmem_add(struct mtd_info *mtd)
config.id = -1;
config.dev = &mtd->dev;
- config.name = mtd->name;
+ config.name = dev_name(&mtd->dev);
config.owner = THIS_MODULE;
config.reg_read = mtd_nvmem_reg_read;
config.size = mtd->size;
@@ -2036,11 +2036,10 @@ static struct backing_dev_info * __init mtd_bdi_init(char *name)
struct backing_dev_info *bdi;
int ret;
- bdi = bdi_alloc(GFP_KERNEL);
+ bdi = bdi_alloc(NUMA_NO_NODE);
if (!bdi)
return ERR_PTR(-ENOMEM);
- bdi->name = name;
/*
* We put '-0' suffix to the name to get the same name format as we
* used to get. Since this is called only once, we get a unique name.
diff --git a/drivers/mtd/mtdpstore.c b/drivers/mtd/mtdpstore.c
new file mode 100644
index 000000000000..a4fe6060b960
--- /dev/null
+++ b/drivers/mtd/mtdpstore.c
@@ -0,0 +1,578 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define dev_fmt(fmt) "mtdoops-pstore: " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pstore_blk.h>
+#include <linux/mtd/mtd.h>
+#include <linux/bitops.h>
+
+static struct mtdpstore_context {
+ int index;
+ struct pstore_blk_config info;
+ struct pstore_device_info dev;
+ struct mtd_info *mtd;
+ unsigned long *rmmap; /* removed bit map */
+ unsigned long *usedmap; /* used bit map */
+ /*
+ * used for panic write
+ * As there are no block_isbad for panic case, we should keep this
+ * status before panic to ensure panic_write not failed.
+ */
+ unsigned long *badmap; /* bad block bit map */
+} oops_cxt;
+
+static int mtdpstore_block_isbad(struct mtdpstore_context *cxt, loff_t off)
+{
+ int ret;
+ struct mtd_info *mtd = cxt->mtd;
+ u64 blknum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ blknum = div_u64(off, mtd->erasesize);
+
+ if (test_bit(blknum, cxt->badmap))
+ return true;
+ ret = mtd_block_isbad(mtd, off);
+ if (ret < 0) {
+ dev_err(&mtd->dev, "mtd_block_isbad failed, aborting\n");
+ return ret;
+ } else if (ret > 0) {
+ set_bit(blknum, cxt->badmap);
+ return true;
+ }
+ return false;
+}
+
+static inline int mtdpstore_panic_block_isbad(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u64 blknum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ blknum = div_u64(off, mtd->erasesize);
+ return test_bit(blknum, cxt->badmap);
+}
+
+static inline void mtdpstore_mark_used(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u64 zonenum = div_u64(off, cxt->info.kmsg_size);
+
+ dev_dbg(&mtd->dev, "mark zone %llu used\n", zonenum);
+ set_bit(zonenum, cxt->usedmap);
+}
+
+static inline void mtdpstore_mark_unused(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u64 zonenum = div_u64(off, cxt->info.kmsg_size);
+
+ dev_dbg(&mtd->dev, "mark zone %llu unused\n", zonenum);
+ clear_bit(zonenum, cxt->usedmap);
+}
+
+static inline void mtdpstore_block_mark_unused(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u32 zonecnt = mtd->erasesize / cxt->info.kmsg_size;
+ u64 zonenum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ zonenum = div_u64(off, cxt->info.kmsg_size);
+ while (zonecnt > 0) {
+ dev_dbg(&mtd->dev, "mark zone %llu unused\n", zonenum);
+ clear_bit(zonenum, cxt->usedmap);
+ zonenum++;
+ zonecnt--;
+ }
+}
+
+static inline int mtdpstore_is_used(struct mtdpstore_context *cxt, loff_t off)
+{
+ u64 zonenum = div_u64(off, cxt->info.kmsg_size);
+ u64 blknum = div_u64(off, cxt->mtd->erasesize);
+
+ if (test_bit(blknum, cxt->badmap))
+ return true;
+ return test_bit(zonenum, cxt->usedmap);
+}
+
+static int mtdpstore_block_is_used(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u32 zonecnt = mtd->erasesize / cxt->info.kmsg_size;
+ u64 zonenum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ zonenum = div_u64(off, cxt->info.kmsg_size);
+ while (zonecnt > 0) {
+ if (test_bit(zonenum, cxt->usedmap))
+ return true;
+ zonenum++;
+ zonecnt--;
+ }
+ return false;
+}
+
+static int mtdpstore_is_empty(struct mtdpstore_context *cxt, char *buf,
+ size_t size)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ size_t sz;
+ int i;
+
+ sz = min_t(uint32_t, size, mtd->writesize / 4);
+ for (i = 0; i < sz; i++) {
+ if (buf[i] != (char)0xFF)
+ return false;
+ }
+ return true;
+}
+
+static void mtdpstore_mark_removed(struct mtdpstore_context *cxt, loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u64 zonenum = div_u64(off, cxt->info.kmsg_size);
+
+ dev_dbg(&mtd->dev, "mark zone %llu removed\n", zonenum);
+ set_bit(zonenum, cxt->rmmap);
+}
+
+static void mtdpstore_block_clear_removed(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u32 zonecnt = mtd->erasesize / cxt->info.kmsg_size;
+ u64 zonenum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ zonenum = div_u64(off, cxt->info.kmsg_size);
+ while (zonecnt > 0) {
+ clear_bit(zonenum, cxt->rmmap);
+ zonenum++;
+ zonecnt--;
+ }
+}
+
+static int mtdpstore_block_is_removed(struct mtdpstore_context *cxt,
+ loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u32 zonecnt = mtd->erasesize / cxt->info.kmsg_size;
+ u64 zonenum;
+
+ off = ALIGN_DOWN(off, mtd->erasesize);
+ zonenum = div_u64(off, cxt->info.kmsg_size);
+ while (zonecnt > 0) {
+ if (test_bit(zonenum, cxt->rmmap))
+ return true;
+ zonenum++;
+ zonecnt--;
+ }
+ return false;
+}
+
+static int mtdpstore_erase_do(struct mtdpstore_context *cxt, loff_t off)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ struct erase_info erase;
+ int ret;
+
+ off = ALIGN_DOWN(off, cxt->mtd->erasesize);
+ dev_dbg(&mtd->dev, "try to erase off 0x%llx\n", off);
+ erase.len = cxt->mtd->erasesize;
+ erase.addr = off;
+ ret = mtd_erase(cxt->mtd, &erase);
+ if (!ret)
+ mtdpstore_block_clear_removed(cxt, off);
+ else
+ dev_err(&mtd->dev, "erase of region [0x%llx, 0x%llx] on \"%s\" failed\n",
+ (unsigned long long)erase.addr,
+ (unsigned long long)erase.len, cxt->info.device);
+ return ret;
+}
+
+/*
+ * called while removing file
+ *
+ * Avoiding over erasing, do erase block only when the whole block is unused.
+ * If the block contains valid log, do erase lazily on flush_removed() when
+ * unregister.
+ */
+static ssize_t mtdpstore_erase(size_t size, loff_t off)
+{
+ struct mtdpstore_context *cxt = &oops_cxt;
+
+ if (mtdpstore_block_isbad(cxt, off))
+ return -EIO;
+
+ mtdpstore_mark_unused(cxt, off);
+
+ /* If the block still has valid data, mtdpstore do erase lazily */
+ if (likely(mtdpstore_block_is_used(cxt, off))) {
+ mtdpstore_mark_removed(cxt, off);
+ return 0;
+ }
+
+ /* all zones are unused, erase it */
+ return mtdpstore_erase_do(cxt, off);
+}
+
+/*
+ * What is security for mtdpstore?
+ * As there is no erase for panic case, we should ensure at least one zone
+ * is writable. Otherwise, panic write will fail.
+ * If zone is used, write operation will return -ENOMSG, which means that
+ * pstore/blk will try one by one until gets an empty zone. So, it is not
+ * needed to ensure the next zone is empty, but at least one.
+ */
+static int mtdpstore_security(struct mtdpstore_context *cxt, loff_t off)
+{
+ int ret = 0, i;
+ struct mtd_info *mtd = cxt->mtd;
+ u32 zonenum = (u32)div_u64(off, cxt->info.kmsg_size);
+ u32 zonecnt = (u32)div_u64(cxt->mtd->size, cxt->info.kmsg_size);
+ u32 blkcnt = (u32)div_u64(cxt->mtd->size, cxt->mtd->erasesize);
+ u32 erasesize = cxt->mtd->erasesize;
+
+ for (i = 0; i < zonecnt; i++) {
+ u32 num = (zonenum + i) % zonecnt;
+
+ /* found empty zone */
+ if (!test_bit(num, cxt->usedmap))
+ return 0;
+ }
+
+ /* If there is no any empty zone, we have no way but to do erase */
+ while (blkcnt--) {
+ div64_u64_rem(off + erasesize, cxt->mtd->size, (u64 *)&off);
+
+ if (mtdpstore_block_isbad(cxt, off))
+ continue;
+
+ ret = mtdpstore_erase_do(cxt, off);
+ if (!ret) {
+ mtdpstore_block_mark_unused(cxt, off);
+ break;
+ }
+ }
+
+ if (ret)
+ dev_err(&mtd->dev, "all blocks bad!\n");
+ dev_dbg(&mtd->dev, "end security\n");
+ return ret;
+}
+
+static ssize_t mtdpstore_write(const char *buf, size_t size, loff_t off)
+{
+ struct mtdpstore_context *cxt = &oops_cxt;
+ struct mtd_info *mtd = cxt->mtd;
+ size_t retlen;
+ int ret;
+
+ if (mtdpstore_block_isbad(cxt, off))
+ return -ENOMSG;
+
+ /* zone is used, please try next one */
+ if (mtdpstore_is_used(cxt, off))
+ return -ENOMSG;
+
+ dev_dbg(&mtd->dev, "try to write off 0x%llx size %zu\n", off, size);
+ ret = mtd_write(cxt->mtd, off, size, &retlen, (u_char *)buf);
+ if (ret < 0 || retlen != size) {
+ dev_err(&mtd->dev, "write failure at %lld (%zu of %zu written), err %d\n",
+ off, retlen, size, ret);
+ return -EIO;
+ }
+ mtdpstore_mark_used(cxt, off);
+
+ mtdpstore_security(cxt, off);
+ return retlen;
+}
+
+static inline bool mtdpstore_is_io_error(int ret)
+{
+ return ret < 0 && !mtd_is_bitflip(ret) && !mtd_is_eccerr(ret);
+}
+
+/*
+ * All zones will be read as pstore/blk will read zone one by one when do
+ * recover.
+ */
+static ssize_t mtdpstore_read(char *buf, size_t size, loff_t off)
+{
+ struct mtdpstore_context *cxt = &oops_cxt;
+ struct mtd_info *mtd = cxt->mtd;
+ size_t retlen, done;
+ int ret;
+
+ if (mtdpstore_block_isbad(cxt, off))
+ return -ENOMSG;
+
+ dev_dbg(&mtd->dev, "try to read off 0x%llx size %zu\n", off, size);
+ for (done = 0, retlen = 0; done < size; done += retlen) {
+ retlen = 0;
+
+ ret = mtd_read(cxt->mtd, off + done, size - done, &retlen,
+ (u_char *)buf + done);
+ if (mtdpstore_is_io_error(ret)) {
+ dev_err(&mtd->dev, "read failure at %lld (%zu of %zu read), err %d\n",
+ off + done, retlen, size - done, ret);
+ /* the zone may be broken, try next one */
+ return -ENOMSG;
+ }
+
+ /*
+ * ECC error. The impact on log data is so small. Maybe we can
+ * still read it and try to understand. So mtdpstore just hands
+ * over what it gets and user can judge whether the data is
+ * valid or not.
+ */
+ if (mtd_is_eccerr(ret)) {
+ dev_err(&mtd->dev, "ecc error at %lld (%zu of %zu read), err %d\n",
+ off + done, retlen, size - done, ret);
+ /* driver may not set retlen when ecc error */
+ retlen = retlen == 0 ? size - done : retlen;
+ }
+ }
+
+ if (mtdpstore_is_empty(cxt, buf, size))
+ mtdpstore_mark_unused(cxt, off);
+ else
+ mtdpstore_mark_used(cxt, off);
+
+ mtdpstore_security(cxt, off);
+ return retlen;
+}
+
+static ssize_t mtdpstore_panic_write(const char *buf, size_t size, loff_t off)
+{
+ struct mtdpstore_context *cxt = &oops_cxt;
+ struct mtd_info *mtd = cxt->mtd;
+ size_t retlen;
+ int ret;
+
+ if (mtdpstore_panic_block_isbad(cxt, off))
+ return -ENOMSG;
+
+ /* zone is used, please try next one */
+ if (mtdpstore_is_used(cxt, off))
+ return -ENOMSG;
+
+ ret = mtd_panic_write(cxt->mtd, off, size, &retlen, (u_char *)buf);
+ if (ret < 0 || size != retlen) {
+ dev_err(&mtd->dev, "panic write failure at %lld (%zu of %zu read), err %d\n",
+ off, retlen, size, ret);
+ return -EIO;
+ }
+ mtdpstore_mark_used(cxt, off);
+
+ return retlen;
+}
+
+static void mtdpstore_notify_add(struct mtd_info *mtd)
+{
+ int ret;
+ struct mtdpstore_context *cxt = &oops_cxt;
+ struct pstore_blk_config *info = &cxt->info;
+ unsigned long longcnt;
+
+ if (!strcmp(mtd->name, info->device))
+ cxt->index = mtd->index;
+
+ if (mtd->index != cxt->index || cxt->index < 0)
+ return;
+
+ dev_dbg(&mtd->dev, "found matching MTD device %s\n", mtd->name);
+
+ if (mtd->size < info->kmsg_size * 2) {
+ dev_err(&mtd->dev, "MTD partition %d not big enough\n",
+ mtd->index);
+ return;
+ }
+ /*
+ * kmsg_size must be aligned to 4096 Bytes, which is limited by
+ * psblk. The default value of kmsg_size is 64KB. If kmsg_size
+ * is larger than erasesize, some errors will occur since mtdpsotre
+ * is designed on it.
+ */
+ if (mtd->erasesize < info->kmsg_size) {
+ dev_err(&mtd->dev, "eraseblock size of MTD partition %d too small\n",
+ mtd->index);
+ return;
+ }
+ if (unlikely(info->kmsg_size % mtd->writesize)) {
+ dev_err(&mtd->dev, "record size %lu KB must align to write size %d KB\n",
+ info->kmsg_size / 1024,
+ mtd->writesize / 1024);
+ return;
+ }
+
+ longcnt = BITS_TO_LONGS(div_u64(mtd->size, info->kmsg_size));
+ cxt->rmmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
+ cxt->usedmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
+
+ longcnt = BITS_TO_LONGS(div_u64(mtd->size, mtd->erasesize));
+ cxt->badmap = kcalloc(longcnt, sizeof(long), GFP_KERNEL);
+
+ cxt->dev.total_size = mtd->size;
+ /* just support dmesg right now */
+ cxt->dev.flags = PSTORE_FLAGS_DMESG;
+ cxt->dev.read = mtdpstore_read;
+ cxt->dev.write = mtdpstore_write;
+ cxt->dev.erase = mtdpstore_erase;
+ cxt->dev.panic_write = mtdpstore_panic_write;
+
+ ret = register_pstore_device(&cxt->dev);
+ if (ret) {
+ dev_err(&mtd->dev, "mtd%d register to psblk failed\n",
+ mtd->index);
+ return;
+ }
+ cxt->mtd = mtd;
+ dev_info(&mtd->dev, "Attached to MTD device %d\n", mtd->index);
+}
+
+static int mtdpstore_flush_removed_do(struct mtdpstore_context *cxt,
+ loff_t off, size_t size)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ u_char *buf;
+ int ret;
+ size_t retlen;
+ struct erase_info erase;
+
+ buf = kmalloc(mtd->erasesize, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ /* 1st. read to cache */
+ ret = mtd_read(mtd, off, mtd->erasesize, &retlen, buf);
+ if (mtdpstore_is_io_error(ret))
+ goto free;
+
+ /* 2nd. erase block */
+ erase.len = mtd->erasesize;
+ erase.addr = off;
+ ret = mtd_erase(mtd, &erase);
+ if (ret)
+ goto free;
+
+ /* 3rd. write back */
+ while (size) {
+ unsigned int zonesize = cxt->info.kmsg_size;
+
+ /* there is valid data on block, write back */
+ if (mtdpstore_is_used(cxt, off)) {
+ ret = mtd_write(mtd, off, zonesize, &retlen, buf);
+ if (ret)
+ dev_err(&mtd->dev, "write failure at %lld (%zu of %u written), err %d\n",
+ off, retlen, zonesize, ret);
+ }
+
+ off += zonesize;
+ size -= min_t(unsigned int, zonesize, size);
+ }
+
+free:
+ kfree(buf);
+ return ret;
+}
+
+/*
+ * What does mtdpstore_flush_removed() do?
+ * When user remove any log file on pstore filesystem, mtdpstore should do
+ * something to ensure log file removed. If the whole block is no longer used,
+ * it's nice to erase the block. However if the block still contains valid log,
+ * what mtdpstore can do is to erase and write the valid log back.
+ */
+static int mtdpstore_flush_removed(struct mtdpstore_context *cxt)
+{
+ struct mtd_info *mtd = cxt->mtd;
+ int ret;
+ loff_t off;
+ u32 blkcnt = (u32)div_u64(mtd->size, mtd->erasesize);
+
+ for (off = 0; blkcnt > 0; blkcnt--, off += mtd->erasesize) {
+ ret = mtdpstore_block_isbad(cxt, off);
+ if (ret)
+ continue;
+
+ ret = mtdpstore_block_is_removed(cxt, off);
+ if (!ret)
+ continue;
+
+ ret = mtdpstore_flush_removed_do(cxt, off, mtd->erasesize);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static void mtdpstore_notify_remove(struct mtd_info *mtd)
+{
+ struct mtdpstore_context *cxt = &oops_cxt;
+
+ if (mtd->index != cxt->index || cxt->index < 0)
+ return;
+
+ mtdpstore_flush_removed(cxt);
+
+ unregister_pstore_device(&cxt->dev);
+ kfree(cxt->badmap);
+ kfree(cxt->usedmap);
+ kfree(cxt->rmmap);
+ cxt->mtd = NULL;
+ cxt->index = -1;
+}
+
+static struct mtd_notifier mtdpstore_notifier = {
+ .add = mtdpstore_notify_add,
+ .remove = mtdpstore_notify_remove,
+};
+
+static int __init mtdpstore_init(void)
+{
+ int ret;
+ struct mtdpstore_context *cxt = &oops_cxt;
+ struct pstore_blk_config *info = &cxt->info;
+
+ ret = pstore_blk_get_config(info);
+ if (unlikely(ret))
+ return ret;
+
+ if (strlen(info->device) == 0) {
+ pr_err("mtd device must be supplied (device name is empty)\n");
+ return -EINVAL;
+ }
+ if (!info->kmsg_size) {
+ pr_err("no backend enabled (kmsg_size is 0)\n");
+ return -EINVAL;
+ }
+
+ /* Setup the MTD device to use */
+ ret = kstrtoint((char *)info->device, 0, &cxt->index);
+ if (ret)
+ cxt->index = -1;
+
+ register_mtd_user(&mtdpstore_notifier);
+ return 0;
+}
+module_init(mtdpstore_init);
+
+static void __exit mtdpstore_exit(void)
+{
+ unregister_mtd_user(&mtdpstore_notifier);
+}
+module_exit(mtdpstore_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("WeiXiong Liao <liaoweixiong@allwinnertech.com>");
+MODULE_DESCRIPTION("MTD backend for pstore/blk");
diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index e4e3ceeac38f..8f9ffb46a09f 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -2728,9 +2728,8 @@ static int brcmnand_resume(struct device *dev)
flash_dma_writel(ctrl, FLASH_DMA_ERROR_STATUS, 0);
}
- if (has_edu(ctrl))
+ if (has_edu(ctrl)) {
ctrl->edu_config = edu_readl(ctrl, EDU_CONFIG);
- else {
edu_writel(ctrl, EDU_CONFIG, ctrl->edu_config);
edu_readl(ctrl, EDU_CONFIG);
brcmnand_edu_init(ctrl);
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index b6bb358b96ce..e2c382ffc5b6 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1089,6 +1089,10 @@ static int spinand_init(struct spinand_device *spinand)
mtd->oobavail = ret;
+ /* Propagate ECC information to mtd_info */
+ mtd->ecc_strength = nand->eccreq.strength;
+ mtd->ecc_step_size = nand->eccreq.step_size;
+
return 0;
err_cleanup_nanddev:
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index 54646c2c2744..ac2bdba8bb1a 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -393,9 +393,6 @@ static void *eraseblk_count_seq_start(struct seq_file *s, loff_t *pos)
{
struct ubi_device *ubi = s->private;
- if (*pos == 0)
- return SEQ_START_TOKEN;
-
if (*pos < ubi->peb_count)
return pos;
@@ -409,8 +406,6 @@ static void *eraseblk_count_seq_next(struct seq_file *s, void *v, loff_t *pos)
{
struct ubi_device *ubi = s->private;
- if (v == SEQ_START_TOKEN)
- return pos;
(*pos)++;
if (*pos < ubi->peb_count)
@@ -432,11 +427,8 @@ static int eraseblk_count_seq_show(struct seq_file *s, void *iter)
int err;
/* If this is the start, print a header */
- if (iter == SEQ_START_TOKEN) {
- seq_puts(s,
- "physical_block_number\terase_count\tblock_status\tread_status\n");
- return 0;
- }
+ if (*block_number == 0)
+ seq_puts(s, "physical_block_number\terase_count\n");
err = ubi_io_is_bad(ubi, *block_number);
if (err)
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index b57b84fb97d0..14d890b00d2c 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -1297,7 +1297,7 @@ static int self_check_write(struct ubi_device *ubi, const void *buf, int pnum,
if (!ubi_dbg_chk_io(ubi))
return 0;
- buf1 = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
+ buf1 = __vmalloc(len, GFP_NOFS);
if (!buf1) {
ubi_err(ubi, "cannot allocate memory to check writes");
return 0;
@@ -1361,7 +1361,7 @@ int ubi_self_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len)
if (!ubi_dbg_chk_io(ubi))
return 0;
- buf = __vmalloc(len, GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(len, GFP_NOFS);
if (!buf) {
ubi_err(ubi, "cannot allocate memory to check for 0xFFs");
return 0;
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index b103fbdd0f68..c7d310ef1c83 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -50,7 +50,7 @@ config BONDING
The driver supports multiple bonding modes to allow for both high
performance and high availability operation.
- Refer to <file:Documentation/networking/bonding.txt> for more
+ Refer to <file:Documentation/networking/bonding.rst> for more
information.
To compile this driver as a module, choose M here: the module
@@ -126,7 +126,7 @@ config EQUALIZER
Linux driver or with a Livingston Portmaster 2e.
Say Y if you want this and read
- <file:Documentation/networking/eql.txt>. You may also want to read
+ <file:Documentation/networking/eql.rst>. You may also want to read
section 6.2 of the NET-3-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
@@ -302,7 +302,7 @@ config NETCONSOLE
tristate "Network console logging support"
---help---
If you want to log kernel messages over the network, enable this.
- See <file:Documentation/networking/netconsole.txt> for details.
+ See <file:Documentation/networking/netconsole.rst> for details.
config NETCONSOLE_DYNAMIC
bool "Dynamic reconfiguration of logging targets"
@@ -312,7 +312,7 @@ config NETCONSOLE_DYNAMIC
This option enables the ability to dynamically reconfigure target
parameters (interface, IP addresses, port numbers, MAC addresses)
at runtime through a userspace interface exported using configfs.
- See <file:Documentation/networking/netconsole.txt> for details.
+ See <file:Documentation/networking/netconsole.rst> for details.
config NETPOLL
def_bool NETCONSOLE
@@ -355,7 +355,7 @@ config TUN
devices, driver will automatically delete tunXX or tapXX device and
all routes corresponding to it.
- Please read <file:Documentation/networking/tuntap.txt> for more
+ Please read <file:Documentation/networking/tuntap.rst> for more
information.
To compile this driver as a module, choose M here: the module
@@ -460,7 +460,7 @@ config NET_SB1000
At present this driver only compiles as a module, so say M here if
you have this card. The module will be called sb1000. Then read
- <file:Documentation/networking/device_drivers/sb1000.txt> for
+ <file:Documentation/networking/device_drivers/sb1000.rst> for
information on how to use this module, as it needs special ppp
scripts for establishing a connection. Further documentation
and the necessary scripts can be found at:
diff --git a/drivers/net/appletalk/Kconfig b/drivers/net/appletalk/Kconfig
index af509b05ac5c..10589a82263b 100644
--- a/drivers/net/appletalk/Kconfig
+++ b/drivers/net/appletalk/Kconfig
@@ -48,7 +48,7 @@ config LTPC
If you are in doubt, this card is the one with the 65C02 chip on it.
You also need version 1.3.3 or later of the netatalk package.
This driver is experimental, which means that it may not work.
- See the file <file:Documentation/networking/ltpc.txt>.
+ See the file <file:Documentation/networking/ltpc.rst>.
config COPS
tristate "COPS LocalTalk PC support"
@@ -59,7 +59,7 @@ config COPS
package. This driver is experimental, which means that it may not
work. This driver will only work if you choose "AppleTalk DDP"
networking support, above.
- Please read the file <file:Documentation/networking/cops.txt>.
+ Please read the file <file:Documentation/networking/cops.rst>.
config COPS_DAYNA
bool "Dayna firmware support"
@@ -86,7 +86,7 @@ config IPDDP
box is stuck on an AppleTalk only network) or decapsulate (e.g. if
you want your Linux box to act as an Internet gateway for a zoo of
AppleTalk connected Macs). Please see the file
- <file:Documentation/networking/ipddp.txt> for more information.
+ <file:Documentation/networking/ipddp.rst> for more information.
If you say Y here, the AppleTalk-IP support will be compiled into
the kernel. In this case, you can either use encapsulation or
@@ -107,4 +107,4 @@ config IPDDP_ENCAP
IP packets inside AppleTalk frames; this is useful if your Linux box
is stuck on an AppleTalk network (which hopefully contains a
decapsulator somewhere). Please see
- <file:Documentation/networking/ipddp.txt> for more information.
+ <file:Documentation/networking/ipddp.rst> for more information.
diff --git a/drivers/net/arcnet/Kconfig b/drivers/net/arcnet/Kconfig
index 27551bf3d7e4..43eef60653b2 100644
--- a/drivers/net/arcnet/Kconfig
+++ b/drivers/net/arcnet/Kconfig
@@ -9,7 +9,7 @@ menuconfig ARCNET
---help---
If you have a network card of this type, say Y and check out the
(arguably) beautiful poetry in
- <file:Documentation/networking/arcnet.txt>.
+ <file:Documentation/networking/arcnet.rst>.
You need both this driver, and the driver for the particular ARCnet
chipset of your card. If you don't know, then it's probably a
@@ -28,7 +28,7 @@ config ARCNET_1201
arc0 device. You need to say Y here to communicate with
industry-standard RFC1201 implementations, like the arcether.com
packet driver or most DOS/Windows ODI drivers. Please read the
- ARCnet documentation in <file:Documentation/networking/arcnet.txt>
+ ARCnet documentation in <file:Documentation/networking/arcnet.rst>
for more information about using arc0.
config ARCNET_1051
@@ -42,7 +42,7 @@ config ARCNET_1051
industry-standard RFC1201 implementations, like the arcether.com
packet driver or most DOS/Windows ODI drivers. RFC1201 is included
automatically as the arc0 device. Please read the ARCnet
- documentation in <file:Documentation/networking/arcnet.txt> for more
+ documentation in <file:Documentation/networking/arcnet.rst> for more
information about using arc0e and arc0s.
config ARCNET_RAW
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index cc0703c3d57f..efd1a1d1f35e 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -136,25 +136,21 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
oiph = skb_network_header(skb);
skb_reset_network_header(skb);
- if (family == AF_INET)
+ if (!IS_ENABLED(CONFIG_IPV6) || family == AF_INET)
err = IP_ECN_decapsulate(oiph, skb);
-#if IS_ENABLED(CONFIG_IPV6)
else
err = IP6_ECN_decapsulate(oiph, skb);
-#endif
if (unlikely(err)) {
if (log_ecn_error) {
- if (family == AF_INET)
+ if (!IS_ENABLED(CONFIG_IPV6) || family == AF_INET)
net_info_ratelimited("non-ECT from %pI4 "
"with TOS=%#x\n",
&((struct iphdr *)oiph)->saddr,
((struct iphdr *)oiph)->tos);
-#if IS_ENABLED(CONFIG_IPV6)
else
net_info_ratelimited("non-ECT from %pI6\n",
&((struct ipv6hdr *)oiph)->saddr);
-#endif
}
if (err > 1) {
++bareudp->dev->stats.rx_frame_errors;
@@ -350,7 +346,6 @@ free_dst:
return err;
}
-#if IS_ENABLED(CONFIG_IPV6)
static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
struct bareudp_dev *bareudp,
const struct ip_tunnel_info *info)
@@ -411,7 +406,6 @@ free_dst:
dst_release(dst);
return err;
}
-#endif
static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev)
{
@@ -435,11 +429,9 @@ static netdev_tx_t bareudp_xmit(struct sk_buff *skb, struct net_device *dev)
}
rcu_read_lock();
-#if IS_ENABLED(CONFIG_IPV6)
- if (info->mode & IP_TUNNEL_INFO_IPV6)
+ if (IS_ENABLED(CONFIG_IPV6) && info->mode & IP_TUNNEL_INFO_IPV6)
err = bareudp6_xmit_skb(skb, dev, bareudp, info);
else
-#endif
err = bareudp_xmit_skb(skb, dev, bareudp, info);
rcu_read_unlock();
@@ -467,7 +459,7 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
use_cache = ip_tunnel_dst_cache_usable(skb, info);
- if (ip_tunnel_info_af(info) == AF_INET) {
+ if (!IS_ENABLED(CONFIG_IPV6) || ip_tunnel_info_af(info) == AF_INET) {
struct rtable *rt;
__be32 saddr;
@@ -478,7 +470,6 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
ip_rt_put(rt);
info->key.u.ipv4.src = saddr;
-#if IS_ENABLED(CONFIG_IPV6)
} else if (ip_tunnel_info_af(info) == AF_INET6) {
struct dst_entry *dst;
struct in6_addr saddr;
@@ -492,7 +483,6 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
dst_release(dst);
info->key.u.ipv6.src = saddr;
-#endif
} else {
return -EINVAL;
}
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index c81698550e5a..095ea51d1853 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -1318,8 +1318,7 @@ static netdev_tx_t bond_do_alb_xmit(struct sk_buff *skb, struct bonding *bond,
tx_slave->dev->dev_addr);
}
- bond_dev_queue_xmit(bond, skb, tx_slave->dev);
- goto out;
+ return bond_dev_queue_xmit(bond, skb, tx_slave->dev);
}
if (tx_slave && bond->params.tlb_dynamic_lb) {
@@ -1329,16 +1328,14 @@ static netdev_tx_t bond_do_alb_xmit(struct sk_buff *skb, struct bonding *bond,
}
/* no suitable interface, frame not sent */
- bond_tx_drop(bond->dev, skb);
-out:
- return NETDEV_TX_OK;
+ return bond_tx_drop(bond->dev, skb);
}
-netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
+struct slave *bond_xmit_tlb_slave_get(struct bonding *bond,
+ struct sk_buff *skb)
{
- struct bonding *bond = netdev_priv(bond_dev);
- struct ethhdr *eth_data;
struct slave *tx_slave = NULL;
+ struct ethhdr *eth_data;
u32 hash_index;
skb_reset_mac_header(skb);
@@ -1360,7 +1357,7 @@ netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
struct bond_up_slave *slaves;
unsigned int count;
- slaves = rcu_dereference(bond->slave_arr);
+ slaves = rcu_dereference(bond->usable_slaves);
count = slaves ? READ_ONCE(slaves->count) : 0;
if (likely(count))
tx_slave = slaves->arr[hash_index %
@@ -1369,20 +1366,29 @@ netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
break;
}
}
- return bond_do_alb_xmit(skb, bond, tx_slave);
+ return tx_slave;
}
-netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
+netdev_tx_t bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
- struct ethhdr *eth_data;
+ struct slave *tx_slave;
+
+ tx_slave = bond_xmit_tlb_slave_get(bond, skb);
+ return bond_do_alb_xmit(skb, bond, tx_slave);
+}
+
+struct slave *bond_xmit_alb_slave_get(struct bonding *bond,
+ struct sk_buff *skb)
+{
struct alb_bond_info *bond_info = &(BOND_ALB_INFO(bond));
- struct slave *tx_slave = NULL;
static const __be32 ip_bcast = htonl(0xffffffff);
- int hash_size = 0;
+ struct slave *tx_slave = NULL;
+ const u8 *hash_start = NULL;
bool do_tx_balance = true;
+ struct ethhdr *eth_data;
u32 hash_index = 0;
- const u8 *hash_start = NULL;
+ int hash_size = 0;
skb_reset_mac_header(skb);
eth_data = eth_hdr(skb);
@@ -1494,14 +1500,22 @@ netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
struct bond_up_slave *slaves;
unsigned int count;
- slaves = rcu_dereference(bond->slave_arr);
+ slaves = rcu_dereference(bond->usable_slaves);
count = slaves ? READ_ONCE(slaves->count) : 0;
if (likely(count))
tx_slave = slaves->arr[bond_xmit_hash(bond, skb) %
count];
}
}
+ return tx_slave;
+}
+
+netdev_tx_t bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev)
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+ struct slave *tx_slave = NULL;
+ tx_slave = bond_xmit_alb_slave_get(bond, skb);
return bond_do_alb_xmit(skb, bond, tx_slave);
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 2e70e43c5df5..a25c65d4af71 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -287,7 +287,7 @@ const char *bond_mode_name(int mode)
* @skb: hw accel VLAN tagged skb to transmit
* @slave_dev: slave that is supposed to xmit this skbuff
*/
-void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
+netdev_tx_t bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
struct net_device *slave_dev)
{
skb->dev = slave_dev;
@@ -297,9 +297,9 @@ void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb,
skb_set_queue_mapping(skb, qdisc_skb_cb(skb)->slave_dev_queue_mapping);
if (unlikely(netpoll_tx_running(bond->dev)))
- bond_netpoll_send_skb(bond_get_slave_by_dev(bond, slave_dev), skb);
- else
- dev_queue_xmit(skb);
+ return bond_netpoll_send_skb(bond_get_slave_by_dev(bond, slave_dev), skb);
+
+ return dev_queue_xmit(skb);
}
/* In the following 2 functions, bond_vlan_rx_add_vid and bond_vlan_rx_kill_vid,
@@ -3923,16 +3923,15 @@ unwind:
}
/**
- * bond_xmit_slave_id - transmit skb through slave with slave_id
+ * bond_get_slave_by_id - get xmit slave with slave_id
* @bond: bonding device that is transmitting
- * @skb: buffer to transmit
* @slave_id: slave id up to slave_cnt-1 through which to transmit
*
- * This function tries to transmit through slave with slave_id but in case
+ * This function tries to get slave with slave_id but in case
* it fails, it tries to find the first available slave for transmission.
- * The skb is consumed in all cases, thus the function is void.
*/
-static void bond_xmit_slave_id(struct bonding *bond, struct sk_buff *skb, int slave_id)
+static struct slave *bond_get_slave_by_id(struct bonding *bond,
+ int slave_id)
{
struct list_head *iter;
struct slave *slave;
@@ -3941,10 +3940,8 @@ static void bond_xmit_slave_id(struct bonding *bond, struct sk_buff *skb, int sl
/* Here we start from the slave with slave_id */
bond_for_each_slave_rcu(bond, slave, iter) {
if (--i < 0) {
- if (bond_slave_can_tx(slave)) {
- bond_dev_queue_xmit(bond, skb, slave->dev);
- return;
- }
+ if (bond_slave_can_tx(slave))
+ return slave;
}
}
@@ -3953,13 +3950,11 @@ static void bond_xmit_slave_id(struct bonding *bond, struct sk_buff *skb, int sl
bond_for_each_slave_rcu(bond, slave, iter) {
if (--i < 0)
break;
- if (bond_slave_can_tx(slave)) {
- bond_dev_queue_xmit(bond, skb, slave->dev);
- return;
- }
+ if (bond_slave_can_tx(slave))
+ return slave;
}
/* no slave that can tx has been found */
- bond_tx_drop(bond->dev, skb);
+ return NULL;
}
/**
@@ -3995,10 +3990,9 @@ static u32 bond_rr_gen_slave_id(struct bonding *bond)
return slave_id;
}
-static netdev_tx_t bond_xmit_roundrobin(struct sk_buff *skb,
- struct net_device *bond_dev)
+static struct slave *bond_xmit_roundrobin_slave_get(struct bonding *bond,
+ struct sk_buff *skb)
{
- struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
int slave_cnt;
u32 slave_id;
@@ -4020,22 +4014,37 @@ static netdev_tx_t bond_xmit_roundrobin(struct sk_buff *skb,
if (iph->protocol == IPPROTO_IGMP) {
slave = rcu_dereference(bond->curr_active_slave);
if (slave)
- bond_dev_queue_xmit(bond, skb, slave->dev);
- else
- bond_xmit_slave_id(bond, skb, 0);
- return NETDEV_TX_OK;
+ return slave;
+ return bond_get_slave_by_id(bond, 0);
}
}
non_igmp:
slave_cnt = READ_ONCE(bond->slave_cnt);
if (likely(slave_cnt)) {
- slave_id = bond_rr_gen_slave_id(bond);
- bond_xmit_slave_id(bond, skb, slave_id % slave_cnt);
- } else {
- bond_tx_drop(bond_dev, skb);
+ slave_id = bond_rr_gen_slave_id(bond) % slave_cnt;
+ return bond_get_slave_by_id(bond, slave_id);
}
- return NETDEV_TX_OK;
+ return NULL;
+}
+
+static netdev_tx_t bond_xmit_roundrobin(struct sk_buff *skb,
+ struct net_device *bond_dev)
+{
+ struct bonding *bond = netdev_priv(bond_dev);
+ struct slave *slave;
+
+ slave = bond_xmit_roundrobin_slave_get(bond, skb);
+ if (likely(slave))
+ return bond_dev_queue_xmit(bond, skb, slave->dev);
+
+ return bond_tx_drop(bond_dev, skb);
+}
+
+static struct slave *bond_xmit_activebackup_slave_get(struct bonding *bond,
+ struct sk_buff *skb)
+{
+ return rcu_dereference(bond->curr_active_slave);
}
/* In active-backup mode, we know that bond->curr_active_slave is always valid if
@@ -4047,13 +4056,11 @@ static netdev_tx_t bond_xmit_activebackup(struct sk_buff *skb,
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave;
- slave = rcu_dereference(bond->curr_active_slave);
+ slave = bond_xmit_activebackup_slave_get(bond, skb);
if (slave)
- bond_dev_queue_xmit(bond, skb, slave->dev);
- else
- bond_tx_drop(bond_dev, skb);
+ return bond_dev_queue_xmit(bond, skb, slave->dev);
- return NETDEV_TX_OK;
+ return bond_tx_drop(bond_dev, skb);
}
/* Use this to update slave_array when (a) it's not appropriate to update
@@ -4087,6 +4094,61 @@ err:
bond_slave_arr_work_rearm(bond, 1);
}
+static void bond_skip_slave(struct bond_up_slave *slaves,
+ struct slave *skipslave)
+{
+ int idx;
+
+ /* Rare situation where caller has asked to skip a specific
+ * slave but allocation failed (most likely!). BTW this is
+ * only possible when the call is initiated from
+ * __bond_release_one(). In this situation; overwrite the
+ * skipslave entry in the array with the last entry from the
+ * array to avoid a situation where the xmit path may choose
+ * this to-be-skipped slave to send a packet out.
+ */
+ for (idx = 0; slaves && idx < slaves->count; idx++) {
+ if (skipslave == slaves->arr[idx]) {
+ slaves->arr[idx] =
+ slaves->arr[slaves->count - 1];
+ slaves->count--;
+ break;
+ }
+ }
+}
+
+static void bond_set_slave_arr(struct bonding *bond,
+ struct bond_up_slave *usable_slaves,
+ struct bond_up_slave *all_slaves)
+{
+ struct bond_up_slave *usable, *all;
+
+ usable = rtnl_dereference(bond->usable_slaves);
+ rcu_assign_pointer(bond->usable_slaves, usable_slaves);
+ kfree_rcu(usable, rcu);
+
+ all = rtnl_dereference(bond->all_slaves);
+ rcu_assign_pointer(bond->all_slaves, all_slaves);
+ kfree_rcu(all, rcu);
+}
+
+static void bond_reset_slave_arr(struct bonding *bond)
+{
+ struct bond_up_slave *usable, *all;
+
+ usable = rtnl_dereference(bond->usable_slaves);
+ if (usable) {
+ RCU_INIT_POINTER(bond->usable_slaves, NULL);
+ kfree_rcu(usable, rcu);
+ }
+
+ all = rtnl_dereference(bond->all_slaves);
+ if (all) {
+ RCU_INIT_POINTER(bond->all_slaves, NULL);
+ kfree_rcu(all, rcu);
+ }
+}
+
/* Build the usable slaves array in control path for modes that use xmit-hash
* to determine the slave interface -
* (a) BOND_MODE_8023AD
@@ -4097,9 +4159,9 @@ err:
*/
int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
{
+ struct bond_up_slave *usable_slaves = NULL, *all_slaves = NULL;
struct slave *slave;
struct list_head *iter;
- struct bond_up_slave *new_arr, *old_arr;
int agg_id = 0;
int ret = 0;
@@ -4107,11 +4169,12 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
WARN_ON(lockdep_is_held(&bond->mode_lock));
#endif
- new_arr = kzalloc(offsetof(struct bond_up_slave, arr[bond->slave_cnt]),
- GFP_KERNEL);
- if (!new_arr) {
+ usable_slaves = kzalloc(struct_size(usable_slaves, arr,
+ bond->slave_cnt), GFP_KERNEL);
+ all_slaves = kzalloc(struct_size(all_slaves, arr,
+ bond->slave_cnt), GFP_KERNEL);
+ if (!usable_slaves || !all_slaves) {
ret = -ENOMEM;
- pr_err("Failed to build slave-array.\n");
goto out;
}
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
@@ -4119,20 +4182,19 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
if (bond_3ad_get_active_agg_info(bond, &ad_info)) {
pr_debug("bond_3ad_get_active_agg_info failed\n");
- kfree_rcu(new_arr, rcu);
/* No active aggragator means it's not safe to use
* the previous array.
*/
- old_arr = rtnl_dereference(bond->slave_arr);
- if (old_arr) {
- RCU_INIT_POINTER(bond->slave_arr, NULL);
- kfree_rcu(old_arr, rcu);
- }
+ bond_reset_slave_arr(bond);
goto out;
}
agg_id = ad_info.aggregator_id;
}
bond_for_each_slave(bond, slave, iter) {
+ if (skipslave == slave)
+ continue;
+
+ all_slaves->arr[all_slaves->count++] = slave;
if (BOND_MODE(bond) == BOND_MODE_8023AD) {
struct aggregator *agg;
@@ -4142,44 +4204,45 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
}
if (!bond_slave_can_tx(slave))
continue;
- if (skipslave == slave)
- continue;
slave_dbg(bond->dev, slave->dev, "Adding slave to tx hash array[%d]\n",
- new_arr->count);
+ usable_slaves->count);
- new_arr->arr[new_arr->count++] = slave;
+ usable_slaves->arr[usable_slaves->count++] = slave;
}
- old_arr = rtnl_dereference(bond->slave_arr);
- rcu_assign_pointer(bond->slave_arr, new_arr);
- if (old_arr)
- kfree_rcu(old_arr, rcu);
+ bond_set_slave_arr(bond, usable_slaves, all_slaves);
+ return ret;
out:
if (ret != 0 && skipslave) {
- int idx;
-
- /* Rare situation where caller has asked to skip a specific
- * slave but allocation failed (most likely!). BTW this is
- * only possible when the call is initiated from
- * __bond_release_one(). In this situation; overwrite the
- * skipslave entry in the array with the last entry from the
- * array to avoid a situation where the xmit path may choose
- * this to-be-skipped slave to send a packet out.
- */
- old_arr = rtnl_dereference(bond->slave_arr);
- for (idx = 0; old_arr != NULL && idx < old_arr->count; idx++) {
- if (skipslave == old_arr->arr[idx]) {
- old_arr->arr[idx] =
- old_arr->arr[old_arr->count-1];
- old_arr->count--;
- break;
- }
- }
+ bond_skip_slave(rtnl_dereference(bond->all_slaves),
+ skipslave);
+ bond_skip_slave(rtnl_dereference(bond->usable_slaves),
+ skipslave);
}
+ kfree_rcu(all_slaves, rcu);
+ kfree_rcu(usable_slaves, rcu);
+
return ret;
}
+static struct slave *bond_xmit_3ad_xor_slave_get(struct bonding *bond,
+ struct sk_buff *skb,
+ struct bond_up_slave *slaves)
+{
+ struct slave *slave;
+ unsigned int count;
+ u32 hash;
+
+ hash = bond_xmit_hash(bond, skb);
+ count = slaves ? READ_ONCE(slaves->count) : 0;
+ if (unlikely(!count))
+ return NULL;
+
+ slave = slaves->arr[hash % count];
+ return slave;
+}
+
/* Use this Xmit function for 3AD as well as XOR modes. The current
* usable slave array is formed in the control path. The xmit function
* just calculates hash and sends the packet out.
@@ -4188,20 +4251,15 @@ static netdev_tx_t bond_3ad_xor_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct bonding *bond = netdev_priv(dev);
- struct slave *slave;
struct bond_up_slave *slaves;
- unsigned int count;
+ struct slave *slave;
- slaves = rcu_dereference(bond->slave_arr);
- count = slaves ? READ_ONCE(slaves->count) : 0;
- if (likely(count)) {
- slave = slaves->arr[bond_xmit_hash(bond, skb) % count];
- bond_dev_queue_xmit(bond, skb, slave->dev);
- } else {
- bond_tx_drop(dev, skb);
- }
+ slaves = rcu_dereference(bond->usable_slaves);
+ slave = bond_xmit_3ad_xor_slave_get(bond, skb, slaves);
+ if (likely(slave))
+ return bond_dev_queue_xmit(bond, skb, slave->dev);
- return NETDEV_TX_OK;
+ return bond_tx_drop(dev, skb);
}
/* in broadcast mode, we send everything to all usable interfaces. */
@@ -4227,11 +4285,9 @@ static netdev_tx_t bond_xmit_broadcast(struct sk_buff *skb,
}
}
if (slave && bond_slave_is_up(slave) && slave->link == BOND_LINK_UP)
- bond_dev_queue_xmit(bond, skb, slave->dev);
- else
- bond_tx_drop(bond_dev, skb);
+ return bond_dev_queue_xmit(bond, skb, slave->dev);
- return NETDEV_TX_OK;
+ return bond_tx_drop(bond_dev, skb);
}
/*------------------------- Device initialization ---------------------------*/
@@ -4284,6 +4340,48 @@ static u16 bond_select_queue(struct net_device *dev, struct sk_buff *skb,
return txq;
}
+static struct net_device *bond_xmit_get_slave(struct net_device *master_dev,
+ struct sk_buff *skb,
+ bool all_slaves)
+{
+ struct bonding *bond = netdev_priv(master_dev);
+ struct bond_up_slave *slaves;
+ struct slave *slave = NULL;
+
+ switch (BOND_MODE(bond)) {
+ case BOND_MODE_ROUNDROBIN:
+ slave = bond_xmit_roundrobin_slave_get(bond, skb);
+ break;
+ case BOND_MODE_ACTIVEBACKUP:
+ slave = bond_xmit_activebackup_slave_get(bond, skb);
+ break;
+ case BOND_MODE_8023AD:
+ case BOND_MODE_XOR:
+ if (all_slaves)
+ slaves = rcu_dereference(bond->all_slaves);
+ else
+ slaves = rcu_dereference(bond->usable_slaves);
+ slave = bond_xmit_3ad_xor_slave_get(bond, skb, slaves);
+ break;
+ case BOND_MODE_BROADCAST:
+ break;
+ case BOND_MODE_ALB:
+ slave = bond_xmit_alb_slave_get(bond, skb);
+ break;
+ case BOND_MODE_TLB:
+ slave = bond_xmit_tlb_slave_get(bond, skb);
+ break;
+ default:
+ /* Should never happen, mode already checked */
+ WARN_ONCE(true, "Unknown bonding mode");
+ break;
+ }
+
+ if (slave)
+ return slave->dev;
+ return NULL;
+}
+
static netdev_tx_t __bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct bonding *bond = netdev_priv(dev);
@@ -4310,8 +4408,7 @@ static netdev_tx_t __bond_start_xmit(struct sk_buff *skb, struct net_device *dev
/* Should never happen, mode already checked */
netdev_err(dev, "Unknown bonding mode %d\n", BOND_MODE(bond));
WARN_ON_ONCE(1);
- bond_tx_drop(dev, skb);
- return NETDEV_TX_OK;
+ return bond_tx_drop(dev, skb);
}
}
@@ -4330,7 +4427,7 @@ static netdev_tx_t bond_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (bond_has_slaves(bond))
ret = __bond_start_xmit(skb, dev);
else
- bond_tx_drop(dev, skb);
+ ret = bond_tx_drop(dev, skb);
rcu_read_unlock();
return ret;
@@ -4405,6 +4502,7 @@ static const struct net_device_ops bond_netdev_ops = {
.ndo_del_slave = bond_release,
.ndo_fix_features = bond_fix_features,
.ndo_features_check = passthru_features_check,
+ .ndo_get_xmit_slave = bond_xmit_get_slave,
};
static const struct device_type bond_type = {
@@ -4472,9 +4570,9 @@ void bond_setup(struct net_device *bond_dev)
static void bond_uninit(struct net_device *bond_dev)
{
struct bonding *bond = netdev_priv(bond_dev);
+ struct bond_up_slave *usable, *all;
struct list_head *iter;
struct slave *slave;
- struct bond_up_slave *arr;
bond_netpoll_cleanup(bond_dev);
@@ -4483,15 +4581,20 @@ static void bond_uninit(struct net_device *bond_dev)
__bond_release_one(bond_dev, slave->dev, true, true);
netdev_info(bond_dev, "Released all slaves\n");
- arr = rtnl_dereference(bond->slave_arr);
- if (arr) {
- RCU_INIT_POINTER(bond->slave_arr, NULL);
- kfree_rcu(arr, rcu);
+ usable = rtnl_dereference(bond->usable_slaves);
+ if (usable) {
+ RCU_INIT_POINTER(bond->usable_slaves, NULL);
+ kfree_rcu(usable, rcu);
+ }
+
+ all = rtnl_dereference(bond->all_slaves);
+ if (all) {
+ RCU_INIT_POINTER(bond->all_slaves, NULL);
+ kfree_rcu(all, rcu);
}
list_del(&bond->bond_list);
- lockdep_unregister_key(&bond->stats_lock_key);
bond_debug_unregister(bond);
}
@@ -4896,8 +4999,7 @@ static int bond_init(struct net_device *bond_dev)
return -ENOMEM;
spin_lock_init(&bond->stats_lock);
- lockdep_register_key(&bond->stats_lock_key);
- lockdep_set_class(&bond->stats_lock, &bond->stats_lock_key);
+ netdev_lockdep_set_classes(bond_dev);
list_add_tail(&bond->bond_list, &bn->dev_list);
diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c
index 007481557191..9b8346638f69 100644
--- a/drivers/net/bonding/bond_sysfs_slave.c
+++ b/drivers/net/bonding/bond_sysfs_slave.c
@@ -149,8 +149,10 @@ int bond_sysfs_slave_add(struct slave *slave)
err = kobject_init_and_add(&slave->kobj, &slave_ktype,
&(slave->dev->dev.kobj), "bonding_slave");
- if (err)
+ if (err) {
+ kobject_put(&slave->kobj);
return err;
+ }
for (a = slave_attrs; *a; ++a) {
err = sysfs_create_file(&slave->kobj, &((*a)->attr));
diff --git a/drivers/net/bonding/bonding_priv.h b/drivers/net/bonding/bonding_priv.h
index 45b77bc8c7b3..48cdf3a49a7d 100644
--- a/drivers/net/bonding/bonding_priv.h
+++ b/drivers/net/bonding/bonding_priv.h
@@ -14,7 +14,7 @@
#ifndef _BONDING_PRIV_H
#define _BONDING_PRIV_H
-#include <linux/vermagic.h>
+#include <generated/utsrelease.h>
#define DRV_NAME "bonding"
#define DRV_DESCRIPTION "Ethernet Channel Bonding Driver"
diff --git a/drivers/net/caif/Kconfig b/drivers/net/caif/Kconfig
index 9db0570c5beb..1538ad194cf4 100644
--- a/drivers/net/caif/Kconfig
+++ b/drivers/net/caif/Kconfig
@@ -28,7 +28,7 @@ config CAIF_SPI_SLAVE
The CAIF Link layer SPI Protocol driver for Slave SPI interface.
This driver implements a platform driver to accommodate for a
platform specific SPI device. A sample CAIF SPI Platform device is
- provided in <file:Documentation/networking/caif/spi_porting.txt>.
+ provided in <file:Documentation/networking/caif/spi_porting.rst>.
config CAIF_SPI_SYNC
bool "Next command and length in start of frame"
@@ -50,7 +50,7 @@ config CAIF_HSI
config CAIF_VIRTIO
tristate "CAIF virtio transport driver"
- depends on CAIF && HAS_DMA
+ depends on CAIF && HAS_DMA && VHOST_DPN
select VHOST_RING
select VIRTIO
select GENERIC_ALLOCATOR
diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c
index 04d59bede5ea..74503cacf594 100644
--- a/drivers/net/can/ifi_canfd/ifi_canfd.c
+++ b/drivers/net/can/ifi_canfd/ifi_canfd.c
@@ -947,8 +947,11 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev)
u32 id, rev;
addr = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+
irq = platform_get_irq(pdev, 0);
- if (IS_ERR(addr) || irq < 0)
+ if (irq < 0)
return -EINVAL;
id = readl(addr + IFI_CANFD_IP_ID);
diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c
index e3ba8ab0cbf4..e2c6cf4b2228 100644
--- a/drivers/net/can/sun4i_can.c
+++ b/drivers/net/can/sun4i_can.c
@@ -792,7 +792,7 @@ static int sun4ican_probe(struct platform_device *pdev)
addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(addr)) {
- err = -EBUSY;
+ err = PTR_ERR(addr);
goto exit;
}
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 68e2381694b9..1df05841ab6b 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1325,7 +1325,6 @@ int b53_vlan_filtering(struct dsa_switch *ds, int port, bool vlan_filtering)
u16 pvid, new_pvid;
b53_read16(dev, B53_VLAN_PAGE, B53_VLAN_PORT_DEF_TAG(port), &pvid);
- new_pvid = pvid;
if (!vlan_filtering) {
/* Filtering is currently enabled, use the default PVID since
* the bridge does not expect tagging anymore
@@ -1474,15 +1473,19 @@ static int b53_arl_rw_op(struct b53_device *dev, unsigned int op)
reg |= ARLTBL_RW;
else
reg &= ~ARLTBL_RW;
+ if (dev->vlan_enabled)
+ reg &= ~ARLTBL_IVL_SVL_SELECT;
+ else
+ reg |= ARLTBL_IVL_SVL_SELECT;
b53_write8(dev, B53_ARLIO_PAGE, B53_ARLTBL_RW_CTRL, reg);
return b53_arl_op_wait(dev);
}
static int b53_arl_read(struct b53_device *dev, u64 mac,
- u16 vid, struct b53_arl_entry *ent, u8 *idx,
- bool is_valid)
+ u16 vid, struct b53_arl_entry *ent, u8 *idx)
{
+ DECLARE_BITMAP(free_bins, B53_ARLTBL_MAX_BIN_ENTRIES);
unsigned int i;
int ret;
@@ -1490,8 +1493,10 @@ static int b53_arl_read(struct b53_device *dev, u64 mac,
if (ret)
return ret;
+ bitmap_zero(free_bins, dev->num_arl_bins);
+
/* Read the bins */
- for (i = 0; i < dev->num_arl_entries; i++) {
+ for (i = 0; i < dev->num_arl_bins; i++) {
u64 mac_vid;
u32 fwd_entry;
@@ -1501,13 +1506,24 @@ static int b53_arl_read(struct b53_device *dev, u64 mac,
B53_ARLTBL_DATA_ENTRY(i), &fwd_entry);
b53_arl_to_entry(ent, mac_vid, fwd_entry);
- if (!(fwd_entry & ARLTBL_VALID))
+ if (!(fwd_entry & ARLTBL_VALID)) {
+ set_bit(i, free_bins);
continue;
+ }
if ((mac_vid & ARLTBL_MAC_MASK) != mac)
continue;
+ if (dev->vlan_enabled &&
+ ((mac_vid >> ARLTBL_VID_S) & ARLTBL_VID_MASK) != vid)
+ continue;
*idx = i;
+ return 0;
}
+ if (bitmap_weight(free_bins, dev->num_arl_bins) == 0)
+ return -ENOSPC;
+
+ *idx = find_first_bit(free_bins, dev->num_arl_bins);
+
return -ENOENT;
}
@@ -1532,15 +1548,27 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
if (ret)
return ret;
- ret = b53_arl_read(dev, mac, vid, &ent, &idx, is_valid);
+ ret = b53_arl_read(dev, mac, vid, &ent, &idx);
+
/* If this is a read, just finish now */
if (op)
return ret;
- /* We could not find a matching MAC, so reset to a new entry */
- if (ret) {
+ switch (ret) {
+ case -ENOSPC:
+ dev_dbg(dev->dev, "{%pM,%.4d} no space left in ARL\n",
+ addr, vid);
+ return is_valid ? ret : 0;
+ case -ENOENT:
+ /* We could not find a matching MAC, so reset to a new entry */
+ dev_dbg(dev->dev, "{%pM,%.4d} not found, using idx: %d\n",
+ addr, vid, idx);
fwd_entry = 0;
- idx = 1;
+ break;
+ default:
+ dev_dbg(dev->dev, "{%pM,%.4d} found, using idx: %d\n",
+ addr, vid, idx);
+ break;
}
/* For multicast address, the port is a bitmask and the validity
@@ -1558,7 +1586,6 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,
ent.is_valid = !!(ent.port);
}
- ent.is_valid = is_valid;
ent.vid = vid;
ent.is_static = true;
ent.is_age = false;
@@ -1664,7 +1691,7 @@ int b53_fdb_dump(struct dsa_switch *ds, int port,
if (ret)
return ret;
- if (priv->num_arl_entries > 2) {
+ if (priv->num_arl_bins > 2) {
b53_arl_search_rd(priv, 1, &results[1]);
ret = b53_fdb_copy(port, &results[1], cb, data);
if (ret)
@@ -1674,7 +1701,7 @@ int b53_fdb_dump(struct dsa_switch *ds, int port,
break;
}
- } while (count++ < 1024);
+ } while (count++ < b53_max_arl_entries(priv) / 2);
return 0;
}
@@ -2157,7 +2184,8 @@ struct b53_chip_data {
u16 enabled_ports;
u8 cpu_port;
u8 vta_regs[3];
- u8 arl_entries;
+ u8 arl_bins;
+ u16 arl_buckets;
u8 duplex_reg;
u8 jumbo_pm_reg;
u8 jumbo_size_reg;
@@ -2176,7 +2204,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5325",
.vlans = 16,
.enabled_ports = 0x1f,
- .arl_entries = 2,
+ .arl_bins = 2,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25,
.duplex_reg = B53_DUPLEX_STAT_FE,
},
@@ -2185,7 +2214,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5365",
.vlans = 256,
.enabled_ports = 0x1f,
- .arl_entries = 2,
+ .arl_bins = 2,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25,
.duplex_reg = B53_DUPLEX_STAT_FE,
},
@@ -2194,7 +2224,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5389",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2206,7 +2237,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5395",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2218,7 +2250,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5397",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS_9798,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2230,7 +2263,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM5398",
.vlans = 4096,
.enabled_ports = 0x7f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS_9798,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2242,7 +2276,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53115",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.vta_regs = B53_VTA_REGS,
.cpu_port = B53_CPU_PORT,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2254,7 +2289,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53125",
.vlans = 4096,
.enabled_ports = 0xff,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2266,7 +2302,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53128",
.vlans = 4096,
.enabled_ports = 0x1ff,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2278,7 +2315,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM63xx",
.vlans = 4096,
.enabled_ports = 0, /* pdata must provide them */
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS_63XX,
.duplex_reg = B53_DUPLEX_STAT_63XX,
@@ -2290,7 +2328,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53010",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2302,7 +2341,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53011",
.vlans = 4096,
.enabled_ports = 0x1bf,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2314,7 +2354,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53012",
.vlans = 4096,
.enabled_ports = 0x1bf,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2326,7 +2367,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53018",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2338,7 +2380,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM53019",
.vlans = 4096,
.enabled_ports = 0x1f,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT_25, /* TODO: auto detect */
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2350,7 +2393,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM585xx/586xx/88312",
.vlans = 4096,
.enabled_ports = 0x1ff,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2362,7 +2406,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM583xx/11360",
.vlans = 4096,
.enabled_ports = 0x103,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2374,7 +2419,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM7445",
.vlans = 4096,
.enabled_ports = 0x1ff,
- .arl_entries = 4,
+ .arl_bins = 4,
+ .arl_buckets = 1024,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2386,7 +2432,8 @@ static const struct b53_chip_data b53_switch_chips[] = {
.dev_name = "BCM7278",
.vlans = 4096,
.enabled_ports = 0x1ff,
- .arl_entries= 4,
+ .arl_bins = 4,
+ .arl_buckets = 256,
.cpu_port = B53_CPU_PORT,
.vta_regs = B53_VTA_REGS,
.duplex_reg = B53_DUPLEX_STAT_GE,
@@ -2414,7 +2461,8 @@ static int b53_switch_init(struct b53_device *dev)
dev->jumbo_pm_reg = chip->jumbo_pm_reg;
dev->cpu_port = chip->cpu_port;
dev->num_vlans = chip->vlans;
- dev->num_arl_entries = chip->arl_entries;
+ dev->num_arl_bins = chip->arl_bins;
+ dev->num_arl_buckets = chip->arl_buckets;
break;
}
}
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index 3d42318bc3f1..e942c60e4365 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -117,7 +117,8 @@ struct b53_device {
u8 jumbo_pm_reg;
u8 jumbo_size_reg;
int reset_gpio;
- u8 num_arl_entries;
+ u8 num_arl_bins;
+ u16 num_arl_buckets;
enum dsa_tag_protocol tag_protocol;
/* used ports mask */
@@ -212,6 +213,11 @@ static inline int is58xx(struct b53_device *dev)
#define B53_CPU_PORT_25 5
#define B53_CPU_PORT 8
+static inline unsigned int b53_max_arl_entries(struct b53_device *dev)
+{
+ return dev->num_arl_buckets * dev->num_arl_bins;
+}
+
struct b53_device *b53_switch_alloc(struct device *base,
const struct b53_io_ops *ops,
void *priv);
diff --git a/drivers/net/dsa/b53/b53_regs.h b/drivers/net/dsa/b53/b53_regs.h
index 2a9f421680aa..c90985c294a2 100644
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -292,6 +292,7 @@
/* ARL Table Read/Write Register (8 bit) */
#define B53_ARLTBL_RW_CTRL 0x00
#define ARLTBL_RW BIT(0)
+#define ARLTBL_IVL_SVL_SELECT BIT(6)
#define ARLTBL_START_DONE BIT(7)
/* MAC Address Index Register (48 bit) */
@@ -304,7 +305,7 @@
*
* BCM5325 and BCM5365 share most definitions below
*/
-#define B53_ARLTBL_MAC_VID_ENTRY(n) (0x10 * (n))
+#define B53_ARLTBL_MAC_VID_ENTRY(n) ((0x10 * (n)) + 0x10)
#define ARLTBL_MAC_MASK 0xffffffffffffULL
#define ARLTBL_VID_S 48
#define ARLTBL_VID_MASK_25 0xff
@@ -316,13 +317,16 @@
#define ARLTBL_VALID_25 BIT(63)
/* ARL Table Data Entry N Registers (32 bit) */
-#define B53_ARLTBL_DATA_ENTRY(n) ((0x10 * (n)) + 0x08)
+#define B53_ARLTBL_DATA_ENTRY(n) ((0x10 * (n)) + 0x18)
#define ARLTBL_DATA_PORT_ID_MASK 0x1ff
#define ARLTBL_TC(tc) ((3 & tc) << 11)
#define ARLTBL_AGE BIT(14)
#define ARLTBL_STATIC BIT(15)
#define ARLTBL_VALID BIT(16)
+/* Maximum number of bin entries in the ARL for all switches */
+#define B53_ARLTBL_MAX_BIN_ENTRIES 4
+
/* ARL Search Control Register (8 bit) */
#define B53_ARL_SRCH_CTL 0x50
#define B53_ARL_SRCH_CTL_25 0x20
diff --git a/drivers/net/dsa/b53/b53_srab.c b/drivers/net/dsa/b53/b53_srab.c
index 0a1be5259be0..aaa12d73784e 100644
--- a/drivers/net/dsa/b53/b53_srab.c
+++ b/drivers/net/dsa/b53/b53_srab.c
@@ -524,7 +524,7 @@ static void b53_srab_prepare_irq(struct platform_device *pdev)
port->num = i;
port->dev = dev;
- port->irq = platform_get_irq_byname(pdev, name);
+ port->irq = platform_get_irq_byname_optional(pdev, name);
kfree(name);
}
@@ -609,7 +609,7 @@ static int b53_srab_probe(struct platform_device *pdev)
priv->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->regs))
- return -ENOMEM;
+ return PTR_ERR(priv->regs);
dev = b53_switch_alloc(&pdev->dev, &b53_srab_ops, priv);
if (!dev)
diff --git a/drivers/net/dsa/dsa_loop.c b/drivers/net/dsa/dsa_loop.c
index fdcb70b9f0e4..400207c5c7de 100644
--- a/drivers/net/dsa/dsa_loop.c
+++ b/drivers/net/dsa/dsa_loop.c
@@ -360,6 +360,7 @@ static void __exit dsa_loop_exit(void)
}
module_exit(dsa_loop_exit);
+MODULE_SOFTDEP("pre: dsa_loop_bdinfo");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Florian Fainelli");
MODULE_DESCRIPTION("DSA loopback driver");
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 5c444cd722bd..8dcb8a49ab67 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -628,11 +628,8 @@ mt7530_cpu_port_enable(struct mt7530_priv *priv,
mt7530_write(priv, MT7530_PVC_P(port),
PORT_SPEC_TAG);
- /* Disable auto learning on the cpu port */
- mt7530_set(priv, MT7530_PSC_P(port), SA_DIS);
-
- /* Unknown unicast frame fordwarding to the cpu port */
- mt7530_set(priv, MT7530_MFC, UNU_FFP(BIT(port)));
+ /* Unknown multicast frame forwarding to the cpu port */
+ mt7530_rmw(priv, MT7530_MFC, UNM_FFP_MASK, UNM_FFP(BIT(port)));
/* Set CPU port number */
if (priv->id == ID_MT7621)
@@ -810,10 +807,15 @@ mt7530_port_set_vlan_aware(struct dsa_switch *ds, int port)
PCR_MATRIX_MASK, PCR_MATRIX(MT7530_ALL_MEMBERS));
/* Trapped into security mode allows packet forwarding through VLAN
- * table lookup.
+ * table lookup. CPU port is set to fallback mode to let untagged
+ * frames pass through.
*/
- mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
- MT7530_PORT_SECURITY_MODE);
+ if (dsa_is_cpu_port(ds, port))
+ mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
+ MT7530_PORT_FALLBACK_MODE);
+ else
+ mt7530_rmw(priv, MT7530_PCR_P(port), PCR_PORT_VLAN_MASK,
+ MT7530_PORT_SECURITY_MODE);
/* Set the port as a user port which is to be able to recognize VID
* from incoming packets before fetching entry within the VLAN table.
@@ -1080,12 +1082,6 @@ mt7530_port_vlan_add(struct dsa_switch *ds, int port,
struct mt7530_priv *priv = ds->priv;
u16 vid;
- /* The port is kept as VLAN-unaware if bridge with vlan_filtering not
- * being set.
- */
- if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port)))
- return;
-
mutex_lock(&priv->reg_mutex);
for (vid = vlan->vid_begin; vid <= vlan->vid_end; ++vid) {
@@ -1111,12 +1107,6 @@ mt7530_port_vlan_del(struct dsa_switch *ds, int port,
struct mt7530_priv *priv = ds->priv;
u16 vid, pvid;
- /* The port is kept as VLAN-unaware if bridge with vlan_filtering not
- * being set.
- */
- if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port)))
- return 0;
-
mutex_lock(&priv->reg_mutex);
pvid = priv->ports[port].pvid;
@@ -1230,6 +1220,7 @@ mt7530_setup(struct dsa_switch *ds)
* as two netdev instances.
*/
dn = dsa_to_port(ds, MT7530_CPU_PORT)->master->dev.of_node->parent;
+ ds->configure_vlan_while_not_filtering = true;
if (priv->id == ID_MT7530) {
regulator_set_voltage(priv->core_pwr, 1000000, 1000000);
@@ -1294,8 +1285,6 @@ mt7530_setup(struct dsa_switch *ds)
/* Enable and reset MIB counters */
mt7530_mib_reset(ds);
- mt7530_clear(priv, MT7530_MFC, UNU_FFP_MASK);
-
for (i = 0; i < MT7530_NUM_PORTS; i++) {
/* Disable forwarding by default on all ports */
mt7530_rmw(priv, MT7530_PCR_P(i), PCR_MATRIX_MASK,
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 979bb6374678..14de60d0b9ca 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -31,6 +31,7 @@ enum {
#define MT7530_MFC 0x10
#define BC_FFP(x) (((x) & 0xff) << 24)
#define UNM_FFP(x) (((x) & 0xff) << 16)
+#define UNM_FFP_MASK UNM_FFP(~0)
#define UNU_FFP(x) (((x) & 0xff) << 8)
#define UNU_FFP_MASK UNU_FFP(~0)
#define CPU_EN BIT(7)
@@ -152,6 +153,12 @@ enum mt7530_port_mode {
/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
+ /* Fallback Mode: Forward received frames with ingress ports that do
+ * not belong to the VLAN member. Frames whose VID is not listed on
+ * the VLAN table are forwarded by the PCR_MATRIX members.
+ */
+ MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
+
/* Security Mode: Discard any frame due to ingress membership
* violation or VID missed on the VLAN table.
*/
diff --git a/drivers/net/dsa/mv88e6xxx/Kconfig b/drivers/net/dsa/mv88e6xxx/Kconfig
index 6435020d690d..51185e4d7d15 100644
--- a/drivers/net/dsa/mv88e6xxx/Kconfig
+++ b/drivers/net/dsa/mv88e6xxx/Kconfig
@@ -24,8 +24,8 @@ config NET_DSA_MV88E6XXX_PTP
bool "PTP support for Marvell 88E6xxx"
default n
depends on NET_DSA_MV88E6XXX_GLOBAL2
+ depends on PTP_1588_CLOCK
imply NETWORK_PHY_TIMESTAMPING
- imply PTP_1588_CLOCK
help
Say Y to enable PTP hardware timestamping on Marvell 88E6xxx switch
chips that support it.
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index dd8a5666a584..7627ea61e0ea 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2233,26 +2233,34 @@ static void mv88e6xxx_port_bridge_leave(struct dsa_switch *ds, int port,
mv88e6xxx_reg_unlock(chip);
}
-static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds, int dev,
+static int mv88e6xxx_crosschip_bridge_join(struct dsa_switch *ds,
+ int tree_index, int sw_index,
int port, struct net_device *br)
{
struct mv88e6xxx_chip *chip = ds->priv;
int err;
+ if (tree_index != ds->dst->index)
+ return 0;
+
mv88e6xxx_reg_lock(chip);
- err = mv88e6xxx_pvt_map(chip, dev, port);
+ err = mv88e6xxx_pvt_map(chip, sw_index, port);
mv88e6xxx_reg_unlock(chip);
return err;
}
-static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds, int dev,
+static void mv88e6xxx_crosschip_bridge_leave(struct dsa_switch *ds,
+ int tree_index, int sw_index,
int port, struct net_device *br)
{
struct mv88e6xxx_chip *chip = ds->priv;
+ if (tree_index != ds->dst->index)
+ return;
+
mv88e6xxx_reg_lock(chip);
- if (mv88e6xxx_pvt_map(chip, dev, port))
+ if (mv88e6xxx_pvt_map(chip, sw_index, port))
dev_err(ds->dev, "failed to remap cross-chip Port VLAN\n");
mv88e6xxx_reg_unlock(chip);
}
@@ -3962,7 +3970,6 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.serdes_get_stats = mv88e6390_serdes_get_stats,
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
- .phylink_validate = mv88e6390_phylink_validate,
.gpio_ops = &mv88e6352_gpio_ops,
.phylink_validate = mv88e6390_phylink_validate,
};
@@ -4021,7 +4028,6 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.serdes_get_stats = mv88e6390_serdes_get_stats,
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
- .phylink_validate = mv88e6390_phylink_validate,
.gpio_ops = &mv88e6352_gpio_ops,
.phylink_validate = mv88e6390x_phylink_validate,
};
@@ -4079,7 +4085,6 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.serdes_get_stats = mv88e6390_serdes_get_stats,
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
- .phylink_validate = mv88e6390_phylink_validate,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
.phylink_validate = mv88e6390_phylink_validate,
@@ -4235,7 +4240,6 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.serdes_get_stats = mv88e6390_serdes_get_stats,
.serdes_get_regs_len = mv88e6390_serdes_get_regs_len,
.serdes_get_regs = mv88e6390_serdes_get_regs,
- .phylink_validate = mv88e6390_phylink_validate,
.gpio_ops = &mv88e6352_gpio_ops,
.avb_ops = &mv88e6390_avb_ops,
.ptp_ops = &mv88e6352_ptp_ops,
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 2098f19b534d..9c07b4f3d345 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -534,21 +534,21 @@ static int mv88e6390_serdes_power_10g(struct mv88e6xxx_chip *chip, u8 lane,
int err;
err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_PCS_CONTROL_1, &val);
+ MV88E6390_10G_CTRL1, &val);
if (err)
return err;
if (up)
- new_val = val & ~(MV88E6390_PCS_CONTROL_1_RESET |
- MV88E6390_PCS_CONTROL_1_LOOPBACK |
- MV88E6390_PCS_CONTROL_1_PDOWN);
+ new_val = val & ~(MDIO_CTRL1_RESET |
+ MDIO_PCS_CTRL1_LOOPBACK |
+ MDIO_CTRL1_LPOWER);
else
- new_val = val | MV88E6390_PCS_CONTROL_1_PDOWN;
+ new_val = val | MDIO_CTRL1_LPOWER;
if (val != new_val)
err = mv88e6390_serdes_write(chip, lane, MDIO_MMD_PHYXS,
- MV88E6390_PCS_CONTROL_1, new_val);
+ MV88E6390_10G_CTRL1, new_val);
return err;
}
@@ -748,8 +748,8 @@ int mv88e6390_serdes_pcs_config(struct mv88e6xxx_chip *chip, int port,
MV88E6390_SGMII_BMCR, bmcr);
}
-int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
- u8 lane, struct phylink_link_state *state)
+static int mv88e6390_serdes_pcs_get_state_sgmii(struct mv88e6xxx_chip *chip,
+ int port, u8 lane, struct phylink_link_state *state)
{
u16 lpa, status;
int err;
@@ -771,6 +771,45 @@ int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
return mv88e6xxx_serdes_pcs_get_state(chip, status, lpa, state);
}
+static int mv88e6390_serdes_pcs_get_state_10g(struct mv88e6xxx_chip *chip,
+ int port, u8 lane, struct phylink_link_state *state)
+{
+ u16 status;
+ int err;
+
+ err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
+ MV88E6390_10G_STAT1, &status);
+ if (err)
+ return err;
+
+ state->link = !!(status & MDIO_STAT1_LSTATUS);
+ if (state->link) {
+ state->speed = SPEED_10000;
+ state->duplex = DUPLEX_FULL;
+ }
+
+ return 0;
+}
+
+int mv88e6390_serdes_pcs_get_state(struct mv88e6xxx_chip *chip, int port,
+ u8 lane, struct phylink_link_state *state)
+{
+ switch (state->interface) {
+ case PHY_INTERFACE_MODE_SGMII:
+ case PHY_INTERFACE_MODE_1000BASEX:
+ case PHY_INTERFACE_MODE_2500BASEX:
+ return mv88e6390_serdes_pcs_get_state_sgmii(chip, port, lane,
+ state);
+ case PHY_INTERFACE_MODE_XAUI:
+ case PHY_INTERFACE_MODE_RXAUI:
+ return mv88e6390_serdes_pcs_get_state_10g(chip, port, lane,
+ state);
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
int mv88e6390_serdes_pcs_an_restart(struct mv88e6xxx_chip *chip, int port,
u8 lane)
{
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index 7990cadba4c2..14315f26228a 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -40,11 +40,8 @@
#define MV88E6390_PORT10_LANE3 0x17
/* 10GBASE-R and 10GBASE-X4/X2 */
-#define MV88E6390_PCS_CONTROL_1 0x1000
-#define MV88E6390_PCS_CONTROL_1_RESET BIT(15)
-#define MV88E6390_PCS_CONTROL_1_LOOPBACK BIT(14)
-#define MV88E6390_PCS_CONTROL_1_SPEED BIT(13)
-#define MV88E6390_PCS_CONTROL_1_PDOWN BIT(11)
+#define MV88E6390_10G_CTRL1 (0x1000 + MDIO_CTRL1)
+#define MV88E6390_10G_STAT1 (0x1000 + MDIO_STAT1)
/* 1000BASE-X and SGMII */
#define MV88E6390_SGMII_BMCR (0x2000 + MII_BMCR)
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index d0a3764ff0cf..66648986e6e3 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -7,6 +7,7 @@
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot_dev.h>
#include <soc/mscc/ocelot_ana.h>
+#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot.h>
#include <linux/packing.h>
#include <linux/module.h>
@@ -102,13 +103,17 @@ static void felix_vlan_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
{
struct ocelot *ocelot = ds->priv;
+ u16 flags = vlan->flags;
u16 vid;
int err;
+ if (dsa_is_cpu_port(ds, port))
+ flags &= ~BRIDGE_VLAN_INFO_UNTAGGED;
+
for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
err = ocelot_vlan_add(ocelot, port, vid,
- vlan->flags & BRIDGE_VLAN_INFO_PVID,
- vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED);
+ flags & BRIDGE_VLAN_INFO_PVID,
+ flags & BRIDGE_VLAN_INFO_UNTAGGED);
if (err) {
dev_err(ds->dev, "Failed to add VLAN %d to port %d: %d\n",
vid, port, err);
@@ -236,6 +241,10 @@ static void felix_phylink_mac_config(struct dsa_switch *ds, int port,
if (felix->info->pcs_init)
felix->info->pcs_init(ocelot, port, link_an_mode, state);
+
+ if (felix->info->port_sched_speed_set)
+ felix->info->port_sched_speed_set(ocelot, port,
+ state->speed);
}
static void felix_phylink_mac_an_restart(struct dsa_switch *ds, int port)
@@ -288,6 +297,27 @@ static void felix_phylink_mac_link_up(struct dsa_switch *ds, int port,
QSYS_SWITCH_PORT_MODE, port);
}
+static void felix_port_qos_map_init(struct ocelot *ocelot, int port)
+{
+ int i;
+
+ ocelot_rmw_gix(ocelot,
+ ANA_PORT_QOS_CFG_QOS_PCP_ENA,
+ ANA_PORT_QOS_CFG_QOS_PCP_ENA,
+ ANA_PORT_QOS_CFG,
+ port);
+
+ for (i = 0; i < FELIX_NUM_TC * 2; i++) {
+ ocelot_rmw_ix(ocelot,
+ (ANA_PORT_PCP_DEI_MAP_DP_PCP_DEI_VAL & i) |
+ ANA_PORT_PCP_DEI_MAP_QOS_PCP_DEI_VAL(i),
+ ANA_PORT_PCP_DEI_MAP_DP_PCP_DEI_VAL |
+ ANA_PORT_PCP_DEI_MAP_QOS_PCP_DEI_VAL_M,
+ ANA_PORT_PCP_DEI_MAP,
+ port, i);
+ }
+}
+
static void felix_get_strings(struct dsa_switch *ds, int port,
u32 stringset, u8 *data)
{
@@ -388,6 +418,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
struct ocelot *ocelot = &felix->ocelot;
phy_interface_t *port_phy_modes;
resource_size_t switch_base;
+ struct resource res;
int port, i, err;
ocelot->num_phys_ports = num_phys_ports;
@@ -400,6 +431,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
ocelot->stats_layout = felix->info->stats_layout;
ocelot->num_stats = felix->info->num_stats;
ocelot->shared_queue_sz = felix->info->shared_queue_sz;
+ ocelot->num_mact_rows = felix->info->num_mact_rows;
ocelot->vcap_is2_keys = felix->info->vcap_is2_keys;
ocelot->vcap_is2_actions= felix->info->vcap_is2_actions;
ocelot->vcap = felix->info->vcap;
@@ -421,17 +453,16 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
for (i = 0; i < TARGET_MAX; i++) {
struct regmap *target;
- struct resource *res;
if (!felix->info->target_io_res[i].name)
continue;
- res = &felix->info->target_io_res[i];
- res->flags = IORESOURCE_MEM;
- res->start += switch_base;
- res->end += switch_base;
+ memcpy(&res, &felix->info->target_io_res[i], sizeof(res));
+ res.flags = IORESOURCE_MEM;
+ res.start += switch_base;
+ res.end += switch_base;
- target = ocelot_regmap_init(ocelot, res);
+ target = ocelot_regmap_init(ocelot, &res);
if (IS_ERR(target)) {
dev_err(ocelot->dev,
"Failed to map device memory space\n");
@@ -452,7 +483,6 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
for (port = 0; port < num_phys_ports; port++) {
struct ocelot_port *ocelot_port;
void __iomem *port_regs;
- struct resource *res;
ocelot_port = devm_kzalloc(ocelot->dev,
sizeof(struct ocelot_port),
@@ -464,12 +494,12 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
return -ENOMEM;
}
- res = &felix->info->port_io_res[port];
- res->flags = IORESOURCE_MEM;
- res->start += switch_base;
- res->end += switch_base;
+ memcpy(&res, &felix->info->port_io_res[port], sizeof(res));
+ res.flags = IORESOURCE_MEM;
+ res.start += switch_base;
+ res.end += switch_base;
- port_regs = devm_ioremap_resource(ocelot->dev, res);
+ port_regs = devm_ioremap_resource(ocelot->dev, &res);
if (IS_ERR(port_regs)) {
dev_err(ocelot->dev,
"failed to map registers for port %d\n", port);
@@ -494,6 +524,23 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
return 0;
}
+static struct ptp_clock_info ocelot_ptp_clock_info = {
+ .owner = THIS_MODULE,
+ .name = "felix ptp",
+ .max_adj = 0x7fffffff,
+ .n_alarm = 0,
+ .n_ext_ts = 0,
+ .n_per_out = OCELOT_PTP_PINS_NUM,
+ .n_pins = OCELOT_PTP_PINS_NUM,
+ .pps = 0,
+ .gettime64 = ocelot_ptp_gettime64,
+ .settime64 = ocelot_ptp_settime64,
+ .adjtime = ocelot_ptp_adjtime,
+ .adjfine = ocelot_ptp_adjfine,
+ .verify = ocelot_ptp_verify,
+ .enable = ocelot_ptp_enable,
+};
+
/* Hardware initialization done here so that we can allocate structures with
* devm without fear of dsa_register_switch returning -EPROBE_DEFER and causing
* us to allocate structures twice (leak memory) and map PCI memory twice
@@ -504,12 +551,21 @@ static int felix_setup(struct dsa_switch *ds)
struct ocelot *ocelot = ds->priv;
struct felix *felix = ocelot_to_felix(ocelot);
int port, err;
+ int tc;
err = felix_init_structs(felix, ds->num_ports);
if (err)
return err;
ocelot_init(ocelot);
+ if (ocelot->ptp) {
+ err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info);
+ if (err) {
+ dev_err(ocelot->dev,
+ "Timestamp initialization failed\n");
+ ocelot->ptp = 0;
+ }
+ }
for (port = 0; port < ds->num_ports; port++) {
ocelot_init_port(ocelot, port);
@@ -519,6 +575,11 @@ static int felix_setup(struct dsa_switch *ds)
ocelot_configure_cpu(ocelot, port,
OCELOT_TAG_PREFIX_NONE,
OCELOT_TAG_PREFIX_LONG);
+
+ /* Set the default QoS Classification based on PCP and DEI
+ * bits of vlan tag.
+ */
+ felix_port_qos_map_init(ocelot, port);
}
/* Include the CPU port module in the forwarding mask for unknown
@@ -529,8 +590,15 @@ static int felix_setup(struct dsa_switch *ds)
ocelot_write_rix(ocelot,
ANA_PGID_PGID_PGID(GENMASK(ocelot->num_phys_ports, 0)),
ANA_PGID_PGID, PGID_UC);
+ /* Setup the per-traffic class flooding PGIDs */
+ for (tc = 0; tc < FELIX_NUM_TC; tc++)
+ ocelot_write_rix(ocelot, ANA_FLOODING_FLD_MULTICAST(PGID_MC) |
+ ANA_FLOODING_FLD_BROADCAST(PGID_MC) |
+ ANA_FLOODING_FLD_UNICAST(PGID_UC),
+ ANA_FLOODING, tc);
ds->mtu_enforcement_ingress = true;
+ ds->configure_vlan_while_not_filtering = true;
/* It looks like the MAC/PCS interrupt register - PM0_IEVENT (0x8040)
* isn't instantiated for the Felix PF.
* In-band AN may take a few ms to complete, so we need to poll.
@@ -548,6 +616,7 @@ static void felix_teardown(struct dsa_switch *ds)
if (felix->info->mdio_bus_free)
felix->info->mdio_bus_free(ocelot);
+ ocelot_deinit_timestamp(ocelot);
/* stop workqueue thread */
ocelot_deinit(ocelot);
}
@@ -669,6 +738,19 @@ static void felix_port_policer_del(struct dsa_switch *ds, int port)
ocelot_port_policer_del(ocelot, port);
}
+static int felix_port_setup_tc(struct dsa_switch *ds, int port,
+ enum tc_setup_type type,
+ void *type_data)
+{
+ struct ocelot *ocelot = ds->priv;
+ struct felix *felix = ocelot_to_felix(ocelot);
+
+ if (felix->info->port_setup_tc)
+ return felix->info->port_setup_tc(ds, port, type, type_data);
+ else
+ return -EOPNOTSUPP;
+}
+
static const struct dsa_switch_ops felix_switch_ops = {
.get_tag_protocol = felix_get_tag_protocol,
.setup = felix_setup,
@@ -707,6 +789,7 @@ static const struct dsa_switch_ops felix_switch_ops = {
.cls_flower_add = felix_cls_flower_add,
.cls_flower_del = felix_cls_flower_del,
.cls_flower_stats = felix_cls_flower_stats,
+ .port_setup_tc = felix_port_setup_tc,
};
static struct felix_info *felix_instance_tbl[] = {
@@ -739,6 +822,11 @@ static int felix_pci_probe(struct pci_dev *pdev,
struct felix *felix;
int err;
+ if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) {
+ dev_info(&pdev->dev, "device is disabled, skipping\n");
+ return -ENODEV;
+ }
+
err = pci_enable_device(pdev);
if (err) {
dev_err(&pdev->dev, "device enable failed\n");
@@ -790,6 +878,7 @@ static int felix_pci_probe(struct pci_dev *pdev,
ds->dev = &pdev->dev;
ds->num_ports = felix->info->num_ports;
+ ds->num_tx_queues = felix->info->num_tx_queues;
ds->ops = &felix_switch_ops;
ds->priv = ocelot;
felix->ds = ds;
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index 82d46f260041..a891736ca006 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -5,19 +5,22 @@
#define _MSCC_FELIX_H
#define ocelot_to_felix(o) container_of((o), struct felix, ocelot)
+#define FELIX_NUM_TC 8
/* Platform-specific information */
struct felix_info {
- struct resource *target_io_res;
- struct resource *port_io_res;
- struct resource *imdio_res;
+ const struct resource *target_io_res;
+ const struct resource *port_io_res;
+ const struct resource *imdio_res;
const struct reg_field *regfields;
const u32 *const *map;
const struct ocelot_ops *ops;
int shared_queue_sz;
+ int num_mact_rows;
const struct ocelot_stat_layout *stats_layout;
unsigned int num_stats;
int num_ports;
+ int num_tx_queues;
struct vcap_field *vcap_is2_keys;
struct vcap_field *vcap_is2_actions;
const struct vcap_props *vcap;
@@ -33,6 +36,10 @@ struct felix_info {
struct phylink_link_state *state);
int (*prevalidate_phy_mode)(struct ocelot *ocelot, int port,
phy_interface_t phy_mode);
+ int (*port_setup_tc)(struct dsa_switch *ds, int port,
+ enum tc_setup_type type, void *type_data);
+ void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
+ u32 speed);
};
extern struct felix_info felix_info_vsc9959;
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index b4078f3c5c38..1dd9e348152d 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -3,9 +3,12 @@
* Copyright 2018-2019 NXP Semiconductors
*/
#include <linux/fsl/enetc_mdio.h>
+#include <soc/mscc/ocelot_qsys.h>
#include <soc/mscc/ocelot_vcap.h>
+#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot.h>
+#include <net/pkt_sched.h>
#include <linux/iopoll.h>
#include <linux/pci.h>
#include "felix.h"
@@ -27,6 +30,8 @@
#define USXGMII_LPA_DUPLEX(lpa) (((lpa) & GENMASK(12, 12)) >> 12)
#define USXGMII_LPA_SPEED(lpa) (((lpa) & GENMASK(11, 9)) >> 9)
+#define VSC9959_TAS_GCL_ENTRY_MAX 63
+
enum usxgmii_speed {
USXGMII_SPEED_10 = 0,
USXGMII_SPEED_100 = 1,
@@ -202,7 +207,7 @@ static const u32 vsc9959_qsys_regmap[] = {
REG(QSYS_QMAXSDU_CFG_6, 0x00f62c),
REG(QSYS_QMAXSDU_CFG_7, 0x00f648),
REG(QSYS_PREEMPTION_CFG, 0x00f664),
- REG_RESERVED(QSYS_CIR_CFG),
+ REG(QSYS_CIR_CFG, 0x000000),
REG(QSYS_EIR_CFG, 0x000004),
REG(QSYS_SE_CFG, 0x000008),
REG(QSYS_SE_DWRR_CFG, 0x00000c),
@@ -313,6 +318,8 @@ static const u32 vsc9959_ptp_regmap[] = {
REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
REG(PTP_PIN_TOD_NSEC, 0x00000c),
+ REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014),
+ REG(PTP_PIN_WF_LOW_PERIOD, 0x000018),
REG(PTP_CFG_MISC, 0x0000a0),
REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
@@ -333,10 +340,8 @@ static const u32 *vsc9959_regmap[] = {
[GCB] = vsc9959_gcb_regmap,
};
-/* Addresses are relative to the PCI device's base address and
- * will be fixed up at ioremap time.
- */
-static struct resource vsc9959_target_io_res[] = {
+/* Addresses are relative to the PCI device's base address */
+static const struct resource vsc9959_target_io_res[] = {
[ANA] = {
.start = 0x0280000,
.end = 0x028ffff,
@@ -379,7 +384,7 @@ static struct resource vsc9959_target_io_res[] = {
},
};
-static struct resource vsc9959_port_io_res[] = {
+static const struct resource vsc9959_port_io_res[] = {
{
.start = 0x0100000,
.end = 0x010ffff,
@@ -415,7 +420,7 @@ static struct resource vsc9959_port_io_res[] = {
/* Port MAC 0 Internal MDIO bus through which the SerDes acting as an
* SGMII/QSGMII MAC PCS can be found.
*/
-static struct resource vsc9959_imdio_res = {
+static const struct resource vsc9959_imdio_res = {
.start = 0x8030,
.end = 0x8040,
.name = "imdio",
@@ -1111,7 +1116,7 @@ static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
struct device *dev = ocelot->dev;
resource_size_t imdio_base;
void __iomem *imdio_regs;
- struct resource *res;
+ struct resource res;
struct enetc_hw *hw;
struct mii_bus *bus;
int port;
@@ -1128,12 +1133,12 @@ static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
imdio_base = pci_resource_start(felix->pdev,
felix->info->imdio_pci_bar);
- res = felix->info->imdio_res;
- res->flags = IORESOURCE_MEM;
- res->start += imdio_base;
- res->end += imdio_base;
+ memcpy(&res, felix->info->imdio_res, sizeof(res));
+ res.flags = IORESOURCE_MEM;
+ res.start += imdio_base;
+ res.end += imdio_base;
- imdio_regs = devm_ioremap_resource(dev, res);
+ imdio_regs = devm_ioremap_resource(dev, &res);
if (IS_ERR(imdio_regs)) {
dev_err(dev, "failed to map internal MDIO registers\n");
return PTR_ERR(imdio_regs);
@@ -1207,6 +1212,186 @@ static void vsc9959_mdio_bus_free(struct ocelot *ocelot)
mdiobus_unregister(felix->imdio);
}
+static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port,
+ u32 speed)
+{
+ ocelot_rmw_rix(ocelot,
+ QSYS_TAG_CONFIG_LINK_SPEED(speed),
+ QSYS_TAG_CONFIG_LINK_SPEED_M,
+ QSYS_TAG_CONFIG, port);
+}
+
+static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time,
+ u64 cycle_time,
+ struct timespec64 *new_base_ts)
+{
+ struct timespec64 ts;
+ ktime_t new_base_time;
+ ktime_t current_time;
+
+ ocelot_ptp_gettime64(&ocelot->ptp_info, &ts);
+ current_time = timespec64_to_ktime(ts);
+ new_base_time = base_time;
+
+ if (base_time < current_time) {
+ u64 nr_of_cycles = current_time - base_time;
+
+ do_div(nr_of_cycles, cycle_time);
+ new_base_time += cycle_time * (nr_of_cycles + 1);
+ }
+
+ *new_base_ts = ktime_to_timespec64(new_base_time);
+}
+
+static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot)
+{
+ return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL);
+}
+
+static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix,
+ struct tc_taprio_sched_entry *entry)
+{
+ ocelot_write(ocelot,
+ QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) |
+ QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask),
+ QSYS_GCL_CFG_REG_1);
+ ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2);
+}
+
+static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port,
+ struct tc_taprio_qopt_offload *taprio)
+{
+ struct timespec64 base_ts;
+ int ret, i;
+ u32 val;
+
+ if (!taprio->enable) {
+ ocelot_rmw_rix(ocelot,
+ QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF),
+ QSYS_TAG_CONFIG_ENABLE |
+ QSYS_TAG_CONFIG_INIT_GATE_STATE_M,
+ QSYS_TAG_CONFIG, port);
+
+ return 0;
+ }
+
+ if (taprio->cycle_time > NSEC_PER_SEC ||
+ taprio->cycle_time_extension >= NSEC_PER_SEC)
+ return -EINVAL;
+
+ if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX)
+ return -ERANGE;
+
+ ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) |
+ QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
+ QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M |
+ QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
+ QSYS_TAS_PARAM_CFG_CTRL);
+
+ /* Hardware errata - Admin config could not be overwritten if
+ * config is pending, need reset the TAS module
+ */
+ val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8);
+ if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING)
+ return -EBUSY;
+
+ ocelot_rmw_rix(ocelot,
+ QSYS_TAG_CONFIG_ENABLE |
+ QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) |
+ QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF),
+ QSYS_TAG_CONFIG_ENABLE |
+ QSYS_TAG_CONFIG_INIT_GATE_STATE_M |
+ QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M,
+ QSYS_TAG_CONFIG, port);
+
+ vsc9959_new_base_time(ocelot, taprio->base_time,
+ taprio->cycle_time, &base_ts);
+ ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1);
+ ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2);
+ val = upper_32_bits(base_ts.tv_sec);
+ ocelot_write(ocelot,
+ QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) |
+ QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries),
+ QSYS_PARAM_CFG_REG_3);
+ ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4);
+ ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5);
+
+ for (i = 0; i < taprio->num_entries; i++)
+ vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]);
+
+ ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
+ QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
+ QSYS_TAS_PARAM_CFG_CTRL);
+
+ ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val,
+ !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE),
+ 10, 100000);
+
+ return ret;
+}
+
+static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port,
+ struct tc_cbs_qopt_offload *cbs_qopt)
+{
+ struct ocelot *ocelot = ds->priv;
+ int port_ix = port * 8 + cbs_qopt->queue;
+ u32 rate, burst;
+
+ if (cbs_qopt->queue >= ds->num_tx_queues)
+ return -EINVAL;
+
+ if (!cbs_qopt->enable) {
+ ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) |
+ QSYS_CIR_CFG_CIR_BURST(0),
+ QSYS_CIR_CFG, port_ix);
+
+ ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA,
+ QSYS_SE_CFG, port_ix);
+
+ return 0;
+ }
+
+ /* Rate unit is 100 kbps */
+ rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100);
+ /* Avoid using zero rate */
+ rate = clamp_t(u32, rate, 1, GENMASK(14, 0));
+ /* Burst unit is 4kB */
+ burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096);
+ /* Avoid using zero burst size */
+ burst = clamp_t(u32, burst, 1, GENMASK(5, 0));
+ ocelot_write_gix(ocelot,
+ QSYS_CIR_CFG_CIR_RATE(rate) |
+ QSYS_CIR_CFG_CIR_BURST(burst),
+ QSYS_CIR_CFG,
+ port_ix);
+
+ ocelot_rmw_gix(ocelot,
+ QSYS_SE_CFG_SE_FRM_MODE(0) |
+ QSYS_SE_CFG_SE_AVB_ENA,
+ QSYS_SE_CFG_SE_AVB_ENA |
+ QSYS_SE_CFG_SE_FRM_MODE_M,
+ QSYS_SE_CFG,
+ port_ix);
+
+ return 0;
+}
+
+static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
+ enum tc_setup_type type,
+ void *type_data)
+{
+ struct ocelot *ocelot = ds->priv;
+
+ switch (type) {
+ case TC_SETUP_QDISC_TAPRIO:
+ return vsc9959_qos_port_tas_set(ocelot, port, type_data);
+ case TC_SETUP_QDISC_CBS:
+ return vsc9959_qos_port_cbs_set(ds, port, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
struct felix_info felix_info_vsc9959 = {
.target_io_res = vsc9959_target_io_res,
.port_io_res = vsc9959_port_io_res,
@@ -1220,7 +1405,9 @@ struct felix_info felix_info_vsc9959 = {
.vcap_is2_actions = vsc9959_vcap_is2_actions,
.vcap = vsc9959_vcap_props,
.shared_queue_sz = 128 * 1024,
+ .num_mact_rows = 2048,
.num_ports = 6,
+ .num_tx_queues = FELIX_NUM_TC,
.switch_pci_bar = 4,
.imdio_pci_bar = 0,
.mdio_bus_alloc = vsc9959_mdio_bus_alloc,
@@ -1229,4 +1416,6 @@ struct felix_info felix_info_vsc9959 = {
.pcs_an_restart = vsc9959_pcs_an_restart,
.pcs_link_state = vsc9959_pcs_link_state,
.prevalidate_phy_mode = vsc9959_prevalidate_phy_mode,
+ .port_setup_tc = vsc9959_port_setup_tc,
+ .port_sched_speed_set = vsc9959_sched_speed_set,
};
diff --git a/drivers/net/dsa/sja1105/Kconfig b/drivers/net/dsa/sja1105/Kconfig
index 0fe1ae173aa1..5e83b365f17a 100644
--- a/drivers/net/dsa/sja1105/Kconfig
+++ b/drivers/net/dsa/sja1105/Kconfig
@@ -20,6 +20,7 @@ tristate "NXP SJA1105 Ethernet switch family support"
config NET_DSA_SJA1105_PTP
bool "Support for the PTP clock on the NXP SJA1105 Ethernet switch"
depends on NET_DSA_SJA1105
+ depends on PTP_1588_CLOCK
help
This enables support for timestamping and PTP clock manipulations in
the SJA1105 DSA driver.
@@ -33,3 +34,12 @@ config NET_DSA_SJA1105_TAS
This enables support for the TTEthernet-based egress scheduling
engine in the SJA1105 DSA driver, which is controlled using a
hardware offload of the tc-tqprio qdisc.
+
+config NET_DSA_SJA1105_VL
+ bool "Support for Virtual Links on NXP SJA1105"
+ depends on NET_DSA_SJA1105_TAS
+ help
+ This enables support for flow classification using capable devices
+ (SJA1105T, SJA1105Q, SJA1105S). The following actions are supported:
+ - redirect, trap, drop
+ - time-based ingress policing, via the tc-gate action
diff --git a/drivers/net/dsa/sja1105/Makefile b/drivers/net/dsa/sja1105/Makefile
index 8943d8d66f2b..c88e56a29db8 100644
--- a/drivers/net/dsa/sja1105/Makefile
+++ b/drivers/net/dsa/sja1105/Makefile
@@ -17,3 +17,7 @@ endif
ifdef CONFIG_NET_DSA_SJA1105_TAS
sja1105-objs += sja1105_tas.o
endif
+
+ifdef CONFIG_NET_DSA_SJA1105_VL
+sja1105-objs += sja1105_vl.o
+endif
diff --git a/drivers/net/dsa/sja1105/sja1105.h b/drivers/net/dsa/sja1105/sja1105.h
index 8b60dbd567f2..29ed21687295 100644
--- a/drivers/net/dsa/sja1105/sja1105.h
+++ b/drivers/net/dsa/sja1105/sja1105.h
@@ -8,6 +8,7 @@
#include <linux/ptp_clock_kernel.h>
#include <linux/timecounter.h>
#include <linux/dsa/sja1105.h>
+#include <linux/dsa/8021q.h>
#include <net/dsa.h>
#include <linux/mutex.h>
#include "sja1105_static_config.h"
@@ -36,6 +37,7 @@ struct sja1105_regs {
u64 status;
u64 port_control;
u64 rgu;
+ u64 vl_status;
u64 config;
u64 sgmii;
u64 rmii_pll1;
@@ -49,6 +51,7 @@ struct sja1105_regs {
u64 ptpschtm;
u64 ptpegr_ts[SJA1105_NUM_PORTS];
u64 pad_mii_tx[SJA1105_NUM_PORTS];
+ u64 pad_mii_rx[SJA1105_NUM_PORTS];
u64 pad_mii_id[SJA1105_NUM_PORTS];
u64 cgu_idiv[SJA1105_NUM_PORTS];
u64 mii_tx_clk[SJA1105_NUM_PORTS];
@@ -81,9 +84,16 @@ struct sja1105_info {
* the egress timestamps.
*/
int ptpegr_ts_bytes;
+ int num_cbs_shapers;
const struct sja1105_dynamic_table_ops *dyn_ops;
const struct sja1105_table_ops *static_ops;
const struct sja1105_regs *regs;
+ /* Both E/T and P/Q/R/S have quirks when it comes to popping the S-Tag
+ * from double-tagged frames. E/T will pop it only when it's equal to
+ * TPID from the General Parameters Table, while P/Q/R/S will only
+ * pop it when it's equal to TPID2.
+ */
+ u16 qinq_tpid;
int (*reset_cmd)(struct dsa_switch *ds);
int (*setup_rgmii_delay)(const void *ctx, int port);
/* Prototypes from include/net/dsa.h */
@@ -96,17 +106,52 @@ struct sja1105_info {
const char *name;
};
+enum sja1105_key_type {
+ SJA1105_KEY_BCAST,
+ SJA1105_KEY_TC,
+ SJA1105_KEY_VLAN_UNAWARE_VL,
+ SJA1105_KEY_VLAN_AWARE_VL,
+};
+
+struct sja1105_key {
+ enum sja1105_key_type type;
+
+ union {
+ /* SJA1105_KEY_TC */
+ struct {
+ int pcp;
+ } tc;
+
+ /* SJA1105_KEY_VLAN_UNAWARE_VL */
+ /* SJA1105_KEY_VLAN_AWARE_VL */
+ struct {
+ u64 dmac;
+ u16 vid;
+ u16 pcp;
+ } vl;
+ };
+};
+
enum sja1105_rule_type {
SJA1105_RULE_BCAST_POLICER,
SJA1105_RULE_TC_POLICER,
+ SJA1105_RULE_VL,
+};
+
+enum sja1105_vl_type {
+ SJA1105_VL_NONCRITICAL,
+ SJA1105_VL_RATE_CONSTRAINED,
+ SJA1105_VL_TIME_TRIGGERED,
};
struct sja1105_rule {
struct list_head list;
unsigned long cookie;
unsigned long port_mask;
+ struct sja1105_key key;
enum sja1105_rule_type type;
+ /* Action */
union {
/* SJA1105_RULE_BCAST_POLICER */
struct {
@@ -116,30 +161,65 @@ struct sja1105_rule {
/* SJA1105_RULE_TC_POLICER */
struct {
int sharindx;
- int tc;
} tc_pol;
+
+ /* SJA1105_RULE_VL */
+ struct {
+ enum sja1105_vl_type type;
+ unsigned long destports;
+ int sharindx;
+ int maxlen;
+ int ipv;
+ u64 base_time;
+ u64 cycle_time;
+ int num_entries;
+ struct action_gate_entry *entries;
+ struct flow_stats stats;
+ } vl;
};
};
struct sja1105_flow_block {
struct list_head rules;
bool l2_policer_used[SJA1105_NUM_L2_POLICERS];
+ int num_virtual_links;
+};
+
+struct sja1105_bridge_vlan {
+ struct list_head list;
+ int port;
+ u16 vid;
+ bool pvid;
+ bool untagged;
+};
+
+enum sja1105_vlan_state {
+ SJA1105_VLAN_UNAWARE,
+ SJA1105_VLAN_BEST_EFFORT,
+ SJA1105_VLAN_FILTERING_FULL,
};
struct sja1105_private {
struct sja1105_static_config static_config;
bool rgmii_rx_delay[SJA1105_NUM_PORTS];
bool rgmii_tx_delay[SJA1105_NUM_PORTS];
+ bool best_effort_vlan_filtering;
const struct sja1105_info *info;
struct gpio_desc *reset_gpio;
struct spi_device *spidev;
struct dsa_switch *ds;
+ struct list_head dsa_8021q_vlans;
+ struct list_head bridge_vlans;
+ struct list_head crosschip_links;
struct sja1105_flow_block flow_block;
struct sja1105_port ports[SJA1105_NUM_PORTS];
/* Serializes transmission of management frames so that
* the switch doesn't confuse them with one another.
*/
struct mutex mgmt_lock;
+ bool expect_dsa_8021q;
+ enum sja1105_vlan_state vlan_state;
+ struct sja1105_cbs_entry *cbs;
struct sja1105_tagger_data tagger_data;
struct sja1105_ptp_data ptp_data;
struct sja1105_tas_data tas_data;
@@ -160,11 +240,14 @@ enum sja1105_reset_reason {
SJA1105_AGEING_TIME,
SJA1105_SCHEDULING,
SJA1105_BEST_EFFORT_POLICING,
+ SJA1105_VIRTUAL_LINKS,
};
int sja1105_static_config_reload(struct sja1105_private *priv,
enum sja1105_reset_reason reason);
+void sja1105_frame_memory_partitioning(struct sja1105_private *priv);
+
/* From sja1105_spi.c */
int sja1105_xfer_buf(const struct sja1105_private *priv,
sja1105_spi_rw_mode_t rw, u64 reg_addr,
@@ -240,26 +323,16 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid);
-/* Common implementations for the static and dynamic configs */
-size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-size_t sja1105pqrs_l2_lookup_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-size_t sja1105pqrs_avb_params_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op);
-
/* From sja1105_flower.c */
int sja1105_cls_flower_del(struct dsa_switch *ds, int port,
struct flow_cls_offload *cls, bool ingress);
int sja1105_cls_flower_add(struct dsa_switch *ds, int port,
struct flow_cls_offload *cls, bool ingress);
+int sja1105_cls_flower_stats(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress);
void sja1105_flower_setup(struct dsa_switch *ds);
void sja1105_flower_teardown(struct dsa_switch *ds);
+struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv,
+ unsigned long cookie);
#endif
diff --git a/drivers/net/dsa/sja1105/sja1105_clocking.c b/drivers/net/dsa/sja1105/sja1105_clocking.c
index 0fdc2d55fff6..2a9b8a6a5306 100644
--- a/drivers/net/dsa/sja1105/sja1105_clocking.c
+++ b/drivers/net/dsa/sja1105/sja1105_clocking.c
@@ -7,12 +7,16 @@
#define SJA1105_SIZE_CGU_CMD 4
-struct sja1105_cfg_pad_mii_tx {
+/* Common structure for CFG_PAD_MIIx_RX and CFG_PAD_MIIx_TX */
+struct sja1105_cfg_pad_mii {
u64 d32_os;
+ u64 d32_ih;
u64 d32_ipud;
+ u64 d10_ih;
u64 d10_os;
u64 d10_ipud;
u64 ctrl_os;
+ u64 ctrl_ih;
u64 ctrl_ipud;
u64 clk_os;
u64 clk_ih;
@@ -338,16 +342,19 @@ static int sja1105_cgu_rgmii_tx_clk_config(struct sja1105_private *priv,
/* AGU */
static void
-sja1105_cfg_pad_mii_tx_packing(void *buf, struct sja1105_cfg_pad_mii_tx *cmd,
- enum packing_op op)
+sja1105_cfg_pad_mii_packing(void *buf, struct sja1105_cfg_pad_mii *cmd,
+ enum packing_op op)
{
const int size = 4;
sja1105_packing(buf, &cmd->d32_os, 28, 27, size, op);
+ sja1105_packing(buf, &cmd->d32_ih, 26, 26, size, op);
sja1105_packing(buf, &cmd->d32_ipud, 25, 24, size, op);
sja1105_packing(buf, &cmd->d10_os, 20, 19, size, op);
+ sja1105_packing(buf, &cmd->d10_ih, 18, 18, size, op);
sja1105_packing(buf, &cmd->d10_ipud, 17, 16, size, op);
sja1105_packing(buf, &cmd->ctrl_os, 12, 11, size, op);
+ sja1105_packing(buf, &cmd->ctrl_ih, 10, 10, size, op);
sja1105_packing(buf, &cmd->ctrl_ipud, 9, 8, size, op);
sja1105_packing(buf, &cmd->clk_os, 4, 3, size, op);
sja1105_packing(buf, &cmd->clk_ih, 2, 2, size, op);
@@ -358,7 +365,7 @@ static int sja1105_rgmii_cfg_pad_tx_config(struct sja1105_private *priv,
int port)
{
const struct sja1105_regs *regs = priv->info->regs;
- struct sja1105_cfg_pad_mii_tx pad_mii_tx;
+ struct sja1105_cfg_pad_mii pad_mii_tx = {0};
u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
/* Payload */
@@ -375,12 +382,45 @@ static int sja1105_rgmii_cfg_pad_tx_config(struct sja1105_private *priv,
pad_mii_tx.clk_os = 3; /* TX_CLK output stage */
pad_mii_tx.clk_ih = 0; /* TX_CLK input hysteresis (default) */
pad_mii_tx.clk_ipud = 2; /* TX_CLK input stage (default) */
- sja1105_cfg_pad_mii_tx_packing(packed_buf, &pad_mii_tx, PACK);
+ sja1105_cfg_pad_mii_packing(packed_buf, &pad_mii_tx, PACK);
return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_tx[port],
packed_buf, SJA1105_SIZE_CGU_CMD);
}
+static int sja1105_cfg_pad_rx_config(struct sja1105_private *priv, int port)
+{
+ const struct sja1105_regs *regs = priv->info->regs;
+ struct sja1105_cfg_pad_mii pad_mii_rx = {0};
+ u8 packed_buf[SJA1105_SIZE_CGU_CMD] = {0};
+
+ /* Payload */
+ pad_mii_rx.d32_ih = 0; /* RXD[3:2] input stage hysteresis: */
+ /* non-Schmitt (default) */
+ pad_mii_rx.d32_ipud = 2; /* RXD[3:2] input weak pull-up/down */
+ /* plain input (default) */
+ pad_mii_rx.d10_ih = 0; /* RXD[1:0] input stage hysteresis: */
+ /* non-Schmitt (default) */
+ pad_mii_rx.d10_ipud = 2; /* RXD[1:0] input weak pull-up/down */
+ /* plain input (default) */
+ pad_mii_rx.ctrl_ih = 0; /* RX_DV/CRS_DV/RX_CTL and RX_ER */
+ /* input stage hysteresis: */
+ /* non-Schmitt (default) */
+ pad_mii_rx.ctrl_ipud = 3; /* RX_DV/CRS_DV/RX_CTL and RX_ER */
+ /* input stage weak pull-up/down: */
+ /* pull-down */
+ pad_mii_rx.clk_os = 2; /* RX_CLK/RXC output stage: */
+ /* medium noise/fast speed (default) */
+ pad_mii_rx.clk_ih = 0; /* RX_CLK/RXC input hysteresis: */
+ /* non-Schmitt (default) */
+ pad_mii_rx.clk_ipud = 2; /* RX_CLK/RXC input pull-up/down: */
+ /* plain input (default) */
+ sja1105_cfg_pad_mii_packing(packed_buf, &pad_mii_rx, PACK);
+
+ return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_rx[port],
+ packed_buf, SJA1105_SIZE_CGU_CMD);
+}
+
static void
sja1105_cfg_pad_mii_id_packing(void *buf, struct sja1105_cfg_pad_mii_id *cmd,
enum packing_op op)
@@ -669,10 +709,14 @@ int sja1105_clocking_setup_port(struct sja1105_private *priv, int port)
phy_mode);
return -EINVAL;
}
- if (rc)
+ if (rc) {
dev_err(dev, "Clocking setup for port %d failed: %d\n",
port, rc);
- return rc;
+ return rc;
+ }
+
+ /* Internally pull down the RX_DV/CRS_DV/RX_CTL and RX_ER inputs */
+ return sja1105_cfg_pad_rx_config(priv, port);
}
int sja1105_clocking_setup(struct sja1105_private *priv)
diff --git a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
index bf9b36ff35bf..4471eeccc293 100644
--- a/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_dynamic_config.c
@@ -97,6 +97,12 @@
#define SJA1105_SIZE_DYN_CMD 4
+#define SJA1105ET_SJA1105_SIZE_VL_LOOKUP_DYN_CMD \
+ SJA1105_SIZE_DYN_CMD
+
+#define SJA1105PQRS_SJA1105_SIZE_VL_LOOKUP_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105_SIZE_VL_LOOKUP_ENTRY)
+
#define SJA1105ET_SIZE_MAC_CONFIG_DYN_ENTRY \
SJA1105_SIZE_DYN_CMD
@@ -121,14 +127,29 @@
#define SJA1105ET_SIZE_L2_LOOKUP_PARAMS_DYN_CMD \
SJA1105_SIZE_DYN_CMD
+#define SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY)
+
#define SJA1105ET_SIZE_GENERAL_PARAMS_DYN_CMD \
SJA1105_SIZE_DYN_CMD
+#define SJA1105PQRS_SIZE_GENERAL_PARAMS_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY)
+
#define SJA1105PQRS_SIZE_AVB_PARAMS_DYN_CMD \
(SJA1105_SIZE_DYN_CMD + SJA1105PQRS_SIZE_AVB_PARAMS_ENTRY)
+#define SJA1105_SIZE_RETAGGING_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105_SIZE_RETAGGING_ENTRY)
+
+#define SJA1105ET_SIZE_CBS_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105ET_SIZE_CBS_ENTRY)
+
+#define SJA1105PQRS_SIZE_CBS_DYN_CMD \
+ (SJA1105_SIZE_DYN_CMD + SJA1105PQRS_SIZE_CBS_ENTRY)
+
#define SJA1105_MAX_DYN_CMD_SIZE \
- SJA1105PQRS_SIZE_MAC_CONFIG_DYN_CMD
+ SJA1105PQRS_SIZE_GENERAL_PARAMS_DYN_CMD
struct sja1105_dyn_cmd {
bool search;
@@ -147,6 +168,29 @@ enum sja1105_hostcmd {
};
static void
+sja1105_vl_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(buf, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(buf, &cmd->errors, 30, 30, size, op);
+ sja1105_packing(buf, &cmd->rdwrset, 29, 29, size, op);
+ sja1105_packing(buf, &cmd->index, 9, 0, size, op);
+}
+
+static size_t sja1105et_vl_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_vl_lookup_entry *entry = entry_ptr;
+ const int size = SJA1105ET_SJA1105_SIZE_VL_LOOKUP_DYN_CMD;
+
+ sja1105_packing(buf, &entry->egrmirr, 21, 17, size, op);
+ sja1105_packing(buf, &entry->ingrmirr, 16, 16, size, op);
+ return size;
+}
+
+static void
sja1105pqrs_l2_lookup_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
enum packing_op op)
{
@@ -463,6 +507,18 @@ sja1105et_l2_lookup_params_entry_packing(void *buf, void *entry_ptr,
}
static void
+sja1105pqrs_l2_lookup_params_cmd_packing(void *buf,
+ struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->rdwrset, 30, 30, size, op);
+}
+
+static void
sja1105et_general_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
enum packing_op op)
{
@@ -485,6 +541,18 @@ sja1105et_general_params_entry_packing(void *buf, void *entry_ptr,
}
static void
+sja1105pqrs_general_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->errors, 30, 30, size, op);
+ sja1105_packing(p, &cmd->rdwrset, 28, 28, size, op);
+}
+
+static void
sja1105pqrs_avb_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
enum packing_op op)
{
@@ -496,6 +564,74 @@ sja1105pqrs_avb_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
sja1105_packing(p, &cmd->rdwrset, 29, 29, size, op);
}
+static void
+sja1105_retagging_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105_SIZE_RETAGGING_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->errors, 30, 30, size, op);
+ sja1105_packing(p, &cmd->valident, 29, 29, size, op);
+ sja1105_packing(p, &cmd->rdwrset, 28, 28, size, op);
+ sja1105_packing(p, &cmd->index, 5, 0, size, op);
+}
+
+static void sja1105et_cbs_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105ET_SIZE_CBS_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->index, 19, 16, size, op);
+}
+
+static size_t sja1105et_cbs_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ const size_t size = SJA1105ET_SIZE_CBS_ENTRY;
+ struct sja1105_cbs_entry *entry = entry_ptr;
+ u8 *cmd = buf + size;
+ u32 *p = buf;
+
+ sja1105_packing(cmd, &entry->port, 5, 3, SJA1105_SIZE_DYN_CMD, op);
+ sja1105_packing(cmd, &entry->prio, 2, 0, SJA1105_SIZE_DYN_CMD, op);
+ sja1105_packing(p + 3, &entry->credit_lo, 31, 0, size, op);
+ sja1105_packing(p + 2, &entry->credit_hi, 31, 0, size, op);
+ sja1105_packing(p + 1, &entry->send_slope, 31, 0, size, op);
+ sja1105_packing(p + 0, &entry->idle_slope, 31, 0, size, op);
+ return size;
+}
+
+static void sja1105pqrs_cbs_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
+ enum packing_op op)
+{
+ u8 *p = buf + SJA1105PQRS_SIZE_CBS_ENTRY;
+ const int size = SJA1105_SIZE_DYN_CMD;
+
+ sja1105_packing(p, &cmd->valid, 31, 31, size, op);
+ sja1105_packing(p, &cmd->rdwrset, 30, 30, size, op);
+ sja1105_packing(p, &cmd->errors, 29, 29, size, op);
+ sja1105_packing(p, &cmd->index, 3, 0, size, op);
+}
+
+static size_t sja1105pqrs_cbs_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ const size_t size = SJA1105PQRS_SIZE_CBS_ENTRY;
+ struct sja1105_cbs_entry *entry = entry_ptr;
+
+ sja1105_packing(buf, &entry->port, 159, 157, size, op);
+ sja1105_packing(buf, &entry->prio, 156, 154, size, op);
+ sja1105_packing(buf, &entry->credit_lo, 153, 122, size, op);
+ sja1105_packing(buf, &entry->credit_hi, 121, 90, size, op);
+ sja1105_packing(buf, &entry->send_slope, 89, 58, size, op);
+ sja1105_packing(buf, &entry->idle_slope, 57, 26, size, op);
+ return size;
+}
+
#define OP_READ BIT(0)
#define OP_WRITE BIT(1)
#define OP_DEL BIT(2)
@@ -505,6 +641,16 @@ sja1105pqrs_avb_params_cmd_packing(void *buf, struct sja1105_dyn_cmd *cmd,
struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = {
[BLK_IDX_SCHEDULE] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = {0},
+ [BLK_IDX_VL_LOOKUP] = {
+ .entry_packing = sja1105et_vl_lookup_entry_packing,
+ .cmd_packing = sja1105_vl_lookup_cmd_packing,
+ .access = OP_WRITE,
+ .max_entry_count = SJA1105_MAX_VL_LOOKUP_COUNT,
+ .packed_size = SJA1105ET_SJA1105_SIZE_VL_LOOKUP_DYN_CMD,
+ .addr = 0x35,
+ },
+ [BLK_IDX_VL_POLICING] = {0},
+ [BLK_IDX_VL_FORWARDING] = {0},
[BLK_IDX_L2_LOOKUP] = {
.entry_packing = sja1105et_dyn_l2_lookup_entry_packing,
.cmd_packing = sja1105et_l2_lookup_cmd_packing,
@@ -548,6 +694,7 @@ struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = {
},
[BLK_IDX_SCHEDULE_PARAMS] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = {0},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {0},
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.entry_packing = sja1105et_l2_lookup_params_entry_packing,
.cmd_packing = sja1105et_l2_lookup_params_cmd_packing,
@@ -566,6 +713,22 @@ struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = {
.packed_size = SJA1105ET_SIZE_GENERAL_PARAMS_DYN_CMD,
.addr = 0x34,
},
+ [BLK_IDX_RETAGGING] = {
+ .entry_packing = sja1105_retagging_entry_packing,
+ .cmd_packing = sja1105_retagging_cmd_packing,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ .access = (OP_WRITE | OP_DEL),
+ .packed_size = SJA1105_SIZE_RETAGGING_DYN_CMD,
+ .addr = 0x31,
+ },
+ [BLK_IDX_CBS] = {
+ .entry_packing = sja1105et_cbs_entry_packing,
+ .cmd_packing = sja1105et_cbs_cmd_packing,
+ .max_entry_count = SJA1105ET_MAX_CBS_COUNT,
+ .access = OP_WRITE,
+ .packed_size = SJA1105ET_SIZE_CBS_DYN_CMD,
+ .addr = 0x2c,
+ },
[BLK_IDX_XMII_PARAMS] = {0},
};
@@ -573,6 +736,16 @@ struct sja1105_dynamic_table_ops sja1105et_dyn_ops[BLK_IDX_MAX_DYN] = {
struct sja1105_dynamic_table_ops sja1105pqrs_dyn_ops[BLK_IDX_MAX_DYN] = {
[BLK_IDX_SCHEDULE] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = {0},
+ [BLK_IDX_VL_LOOKUP] = {
+ .entry_packing = sja1105_vl_lookup_entry_packing,
+ .cmd_packing = sja1105_vl_lookup_cmd_packing,
+ .access = (OP_READ | OP_WRITE),
+ .max_entry_count = SJA1105_MAX_VL_LOOKUP_COUNT,
+ .packed_size = SJA1105PQRS_SJA1105_SIZE_VL_LOOKUP_DYN_CMD,
+ .addr = 0x47,
+ },
+ [BLK_IDX_VL_POLICING] = {0},
+ [BLK_IDX_VL_FORWARDING] = {0},
[BLK_IDX_L2_LOOKUP] = {
.entry_packing = sja1105pqrs_dyn_l2_lookup_entry_packing,
.cmd_packing = sja1105pqrs_l2_lookup_cmd_packing,
@@ -616,13 +789,14 @@ struct sja1105_dynamic_table_ops sja1105pqrs_dyn_ops[BLK_IDX_MAX_DYN] = {
},
[BLK_IDX_SCHEDULE_PARAMS] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = {0},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {0},
[BLK_IDX_L2_LOOKUP_PARAMS] = {
- .entry_packing = sja1105et_l2_lookup_params_entry_packing,
- .cmd_packing = sja1105et_l2_lookup_params_cmd_packing,
+ .entry_packing = sja1105pqrs_l2_lookup_params_entry_packing,
+ .cmd_packing = sja1105pqrs_l2_lookup_params_cmd_packing,
.max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT,
.access = (OP_READ | OP_WRITE),
- .packed_size = SJA1105ET_SIZE_L2_LOOKUP_PARAMS_DYN_CMD,
- .addr = 0x38,
+ .packed_size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_DYN_CMD,
+ .addr = 0x54,
},
[BLK_IDX_L2_FORWARDING_PARAMS] = {0},
[BLK_IDX_AVB_PARAMS] = {
@@ -634,12 +808,28 @@ struct sja1105_dynamic_table_ops sja1105pqrs_dyn_ops[BLK_IDX_MAX_DYN] = {
.addr = 0x8003,
},
[BLK_IDX_GENERAL_PARAMS] = {
- .entry_packing = sja1105et_general_params_entry_packing,
- .cmd_packing = sja1105et_general_params_cmd_packing,
+ .entry_packing = sja1105pqrs_general_params_entry_packing,
+ .cmd_packing = sja1105pqrs_general_params_cmd_packing,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
+ .access = (OP_READ | OP_WRITE),
+ .packed_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_DYN_CMD,
+ .addr = 0x3B,
+ },
+ [BLK_IDX_RETAGGING] = {
+ .entry_packing = sja1105_retagging_entry_packing,
+ .cmd_packing = sja1105_retagging_cmd_packing,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ .access = (OP_READ | OP_WRITE | OP_DEL),
+ .packed_size = SJA1105_SIZE_RETAGGING_DYN_CMD,
+ .addr = 0x38,
+ },
+ [BLK_IDX_CBS] = {
+ .entry_packing = sja1105pqrs_cbs_entry_packing,
+ .cmd_packing = sja1105pqrs_cbs_cmd_packing,
+ .max_entry_count = SJA1105PQRS_MAX_CBS_COUNT,
.access = OP_WRITE,
- .packed_size = SJA1105ET_SIZE_GENERAL_PARAMS_DYN_CMD,
- .addr = 0x34,
+ .packed_size = SJA1105PQRS_SIZE_CBS_DYN_CMD,
+ .addr = 0x32,
},
[BLK_IDX_XMII_PARAMS] = {0},
};
diff --git a/drivers/net/dsa/sja1105/sja1105_ethtool.c b/drivers/net/dsa/sja1105/sja1105_ethtool.c
index d742ffcbfce9..9133a831ec79 100644
--- a/drivers/net/dsa/sja1105/sja1105_ethtool.c
+++ b/drivers/net/dsa/sja1105/sja1105_ethtool.c
@@ -421,92 +421,96 @@ static char sja1105pqrs_extra_port_stats[][ETH_GSTRING_LEN] = {
void sja1105_get_ethtool_stats(struct dsa_switch *ds, int port, u64 *data)
{
struct sja1105_private *priv = ds->priv;
- struct sja1105_port_status status;
+ struct sja1105_port_status *status;
int rc, i, k = 0;
- memset(&status, 0, sizeof(status));
+ status = kzalloc(sizeof(*status), GFP_KERNEL);
+ if (!status)
+ goto out;
- rc = sja1105_port_status_get(priv, &status, port);
+ rc = sja1105_port_status_get(priv, status, port);
if (rc < 0) {
dev_err(ds->dev, "Failed to read port %d counters: %d\n",
port, rc);
- return;
+ goto out;
}
memset(data, 0, ARRAY_SIZE(sja1105_port_stats) * sizeof(u64));
- data[k++] = status.mac.n_runt;
- data[k++] = status.mac.n_soferr;
- data[k++] = status.mac.n_alignerr;
- data[k++] = status.mac.n_miierr;
- data[k++] = status.mac.typeerr;
- data[k++] = status.mac.sizeerr;
- data[k++] = status.mac.tctimeout;
- data[k++] = status.mac.priorerr;
- data[k++] = status.mac.nomaster;
- data[k++] = status.mac.memov;
- data[k++] = status.mac.memerr;
- data[k++] = status.mac.invtyp;
- data[k++] = status.mac.intcyov;
- data[k++] = status.mac.domerr;
- data[k++] = status.mac.pcfbagdrop;
- data[k++] = status.mac.spcprior;
- data[k++] = status.mac.ageprior;
- data[k++] = status.mac.portdrop;
- data[k++] = status.mac.lendrop;
- data[k++] = status.mac.bagdrop;
- data[k++] = status.mac.policeerr;
- data[k++] = status.mac.drpnona664err;
- data[k++] = status.mac.spcerr;
- data[k++] = status.mac.agedrp;
- data[k++] = status.hl1.n_n664err;
- data[k++] = status.hl1.n_vlanerr;
- data[k++] = status.hl1.n_unreleased;
- data[k++] = status.hl1.n_sizeerr;
- data[k++] = status.hl1.n_crcerr;
- data[k++] = status.hl1.n_vlnotfound;
- data[k++] = status.hl1.n_ctpolerr;
- data[k++] = status.hl1.n_polerr;
- data[k++] = status.hl1.n_rxfrm;
- data[k++] = status.hl1.n_rxbyte;
- data[k++] = status.hl1.n_txfrm;
- data[k++] = status.hl1.n_txbyte;
- data[k++] = status.hl2.n_qfull;
- data[k++] = status.hl2.n_part_drop;
- data[k++] = status.hl2.n_egr_disabled;
- data[k++] = status.hl2.n_not_reach;
+ data[k++] = status->mac.n_runt;
+ data[k++] = status->mac.n_soferr;
+ data[k++] = status->mac.n_alignerr;
+ data[k++] = status->mac.n_miierr;
+ data[k++] = status->mac.typeerr;
+ data[k++] = status->mac.sizeerr;
+ data[k++] = status->mac.tctimeout;
+ data[k++] = status->mac.priorerr;
+ data[k++] = status->mac.nomaster;
+ data[k++] = status->mac.memov;
+ data[k++] = status->mac.memerr;
+ data[k++] = status->mac.invtyp;
+ data[k++] = status->mac.intcyov;
+ data[k++] = status->mac.domerr;
+ data[k++] = status->mac.pcfbagdrop;
+ data[k++] = status->mac.spcprior;
+ data[k++] = status->mac.ageprior;
+ data[k++] = status->mac.portdrop;
+ data[k++] = status->mac.lendrop;
+ data[k++] = status->mac.bagdrop;
+ data[k++] = status->mac.policeerr;
+ data[k++] = status->mac.drpnona664err;
+ data[k++] = status->mac.spcerr;
+ data[k++] = status->mac.agedrp;
+ data[k++] = status->hl1.n_n664err;
+ data[k++] = status->hl1.n_vlanerr;
+ data[k++] = status->hl1.n_unreleased;
+ data[k++] = status->hl1.n_sizeerr;
+ data[k++] = status->hl1.n_crcerr;
+ data[k++] = status->hl1.n_vlnotfound;
+ data[k++] = status->hl1.n_ctpolerr;
+ data[k++] = status->hl1.n_polerr;
+ data[k++] = status->hl1.n_rxfrm;
+ data[k++] = status->hl1.n_rxbyte;
+ data[k++] = status->hl1.n_txfrm;
+ data[k++] = status->hl1.n_txbyte;
+ data[k++] = status->hl2.n_qfull;
+ data[k++] = status->hl2.n_part_drop;
+ data[k++] = status->hl2.n_egr_disabled;
+ data[k++] = status->hl2.n_not_reach;
if (priv->info->device_id == SJA1105E_DEVICE_ID ||
priv->info->device_id == SJA1105T_DEVICE_ID)
- return;
+ goto out;
memset(data + k, 0, ARRAY_SIZE(sja1105pqrs_extra_port_stats) *
sizeof(u64));
for (i = 0; i < 8; i++) {
- data[k++] = status.hl2.qlevel_hwm[i];
- data[k++] = status.hl2.qlevel[i];
+ data[k++] = status->hl2.qlevel_hwm[i];
+ data[k++] = status->hl2.qlevel[i];
}
- data[k++] = status.ether.n_drops_nolearn;
- data[k++] = status.ether.n_drops_noroute;
- data[k++] = status.ether.n_drops_ill_dtag;
- data[k++] = status.ether.n_drops_dtag;
- data[k++] = status.ether.n_drops_sotag;
- data[k++] = status.ether.n_drops_sitag;
- data[k++] = status.ether.n_drops_utag;
- data[k++] = status.ether.n_tx_bytes_1024_2047;
- data[k++] = status.ether.n_tx_bytes_512_1023;
- data[k++] = status.ether.n_tx_bytes_256_511;
- data[k++] = status.ether.n_tx_bytes_128_255;
- data[k++] = status.ether.n_tx_bytes_65_127;
- data[k++] = status.ether.n_tx_bytes_64;
- data[k++] = status.ether.n_tx_mcast;
- data[k++] = status.ether.n_tx_bcast;
- data[k++] = status.ether.n_rx_bytes_1024_2047;
- data[k++] = status.ether.n_rx_bytes_512_1023;
- data[k++] = status.ether.n_rx_bytes_256_511;
- data[k++] = status.ether.n_rx_bytes_128_255;
- data[k++] = status.ether.n_rx_bytes_65_127;
- data[k++] = status.ether.n_rx_bytes_64;
- data[k++] = status.ether.n_rx_mcast;
- data[k++] = status.ether.n_rx_bcast;
+ data[k++] = status->ether.n_drops_nolearn;
+ data[k++] = status->ether.n_drops_noroute;
+ data[k++] = status->ether.n_drops_ill_dtag;
+ data[k++] = status->ether.n_drops_dtag;
+ data[k++] = status->ether.n_drops_sotag;
+ data[k++] = status->ether.n_drops_sitag;
+ data[k++] = status->ether.n_drops_utag;
+ data[k++] = status->ether.n_tx_bytes_1024_2047;
+ data[k++] = status->ether.n_tx_bytes_512_1023;
+ data[k++] = status->ether.n_tx_bytes_256_511;
+ data[k++] = status->ether.n_tx_bytes_128_255;
+ data[k++] = status->ether.n_tx_bytes_65_127;
+ data[k++] = status->ether.n_tx_bytes_64;
+ data[k++] = status->ether.n_tx_mcast;
+ data[k++] = status->ether.n_tx_bcast;
+ data[k++] = status->ether.n_rx_bytes_1024_2047;
+ data[k++] = status->ether.n_rx_bytes_512_1023;
+ data[k++] = status->ether.n_rx_bytes_256_511;
+ data[k++] = status->ether.n_rx_bytes_128_255;
+ data[k++] = status->ether.n_rx_bytes_65_127;
+ data[k++] = status->ether.n_rx_bytes_64;
+ data[k++] = status->ether.n_rx_mcast;
+ data[k++] = status->ether.n_rx_bcast;
+out:
+ kfree(status);
}
void sja1105_get_strings(struct dsa_switch *ds, int port,
diff --git a/drivers/net/dsa/sja1105/sja1105_flower.c b/drivers/net/dsa/sja1105/sja1105_flower.c
index 5288a722e625..9ee8968610cd 100644
--- a/drivers/net/dsa/sja1105/sja1105_flower.c
+++ b/drivers/net/dsa/sja1105/sja1105_flower.c
@@ -2,9 +2,10 @@
/* Copyright 2020, NXP Semiconductors
*/
#include "sja1105.h"
+#include "sja1105_vl.h"
-static struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv,
- unsigned long cookie)
+struct sja1105_rule *sja1105_rule_find(struct sja1105_private *priv,
+ unsigned long cookie)
{
struct sja1105_rule *rule;
@@ -46,6 +47,7 @@ static int sja1105_setup_bcast_policer(struct sja1105_private *priv,
rule->cookie = cookie;
rule->type = SJA1105_RULE_BCAST_POLICER;
rule->bcast_pol.sharindx = sja1105_find_free_l2_policer(priv);
+ rule->key.type = SJA1105_KEY_BCAST;
new_rule = true;
}
@@ -117,7 +119,8 @@ static int sja1105_setup_tc_policer(struct sja1105_private *priv,
rule->cookie = cookie;
rule->type = SJA1105_RULE_TC_POLICER;
rule->tc_pol.sharindx = sja1105_find_free_l2_policer(priv);
- rule->tc_pol.tc = tc;
+ rule->key.type = SJA1105_KEY_TC;
+ rule->key.tc.pcp = tc;
new_rule = true;
}
@@ -169,14 +172,38 @@ out:
return rc;
}
-static int sja1105_flower_parse_policer(struct sja1105_private *priv, int port,
- struct netlink_ext_ack *extack,
- struct flow_cls_offload *cls,
- u64 rate_bytes_per_sec,
- s64 burst)
+static int sja1105_flower_policer(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack,
+ unsigned long cookie,
+ struct sja1105_key *key,
+ u64 rate_bytes_per_sec,
+ s64 burst)
+{
+ switch (key->type) {
+ case SJA1105_KEY_BCAST:
+ return sja1105_setup_bcast_policer(priv, extack, cookie, port,
+ rate_bytes_per_sec, burst);
+ case SJA1105_KEY_TC:
+ return sja1105_setup_tc_policer(priv, extack, cookie, port,
+ key->tc.pcp, rate_bytes_per_sec,
+ burst);
+ default:
+ NL_SET_ERR_MSG_MOD(extack, "Unknown keys for policing");
+ return -EOPNOTSUPP;
+ }
+}
+
+static int sja1105_flower_parse_key(struct sja1105_private *priv,
+ struct netlink_ext_ack *extack,
+ struct flow_cls_offload *cls,
+ struct sja1105_key *key)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(cls);
struct flow_dissector *dissector = rule->match.dissector;
+ bool is_bcast_dmac = false;
+ u64 dmac = U64_MAX;
+ u16 vid = U16_MAX;
+ u16 pcp = U16_MAX;
if (dissector->used_keys &
~(BIT(FLOW_DISSECTOR_KEY_BASIC) |
@@ -213,16 +240,14 @@ static int sja1105_flower_parse_policer(struct sja1105_private *priv, int port,
return -EOPNOTSUPP;
}
- if (!ether_addr_equal_masked(match.key->dst, bcast,
- match.mask->dst)) {
+ if (!ether_addr_equal(match.mask->dst, bcast)) {
NL_SET_ERR_MSG_MOD(extack,
- "Only matching on broadcast DMAC is supported");
+ "Masked matching on MAC not supported");
return -EOPNOTSUPP;
}
- return sja1105_setup_bcast_policer(priv, extack, cls->cookie,
- port, rate_bytes_per_sec,
- burst);
+ dmac = ether_addr_to_u64(match.key->dst);
+ is_bcast_dmac = ether_addr_equal(match.key->dst, bcast);
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
@@ -230,22 +255,46 @@ static int sja1105_flower_parse_policer(struct sja1105_private *priv, int port,
flow_rule_match_vlan(rule, &match);
- if (match.key->vlan_id & match.mask->vlan_id) {
+ if (match.mask->vlan_id &&
+ match.mask->vlan_id != VLAN_VID_MASK) {
NL_SET_ERR_MSG_MOD(extack,
- "Matching on VID is not supported");
+ "Masked matching on VID is not supported");
return -EOPNOTSUPP;
}
- if (match.mask->vlan_priority != 0x7) {
+ if (match.mask->vlan_priority &&
+ match.mask->vlan_priority != 0x7) {
NL_SET_ERR_MSG_MOD(extack,
"Masked matching on PCP is not supported");
return -EOPNOTSUPP;
}
- return sja1105_setup_tc_policer(priv, extack, cls->cookie, port,
- match.key->vlan_priority,
- rate_bytes_per_sec,
- burst);
+ if (match.mask->vlan_id)
+ vid = match.key->vlan_id;
+ if (match.mask->vlan_priority)
+ pcp = match.key->vlan_priority;
+ }
+
+ if (is_bcast_dmac && vid == U16_MAX && pcp == U16_MAX) {
+ key->type = SJA1105_KEY_BCAST;
+ return 0;
+ }
+ if (dmac == U64_MAX && vid == U16_MAX && pcp != U16_MAX) {
+ key->type = SJA1105_KEY_TC;
+ key->tc.pcp = pcp;
+ return 0;
+ }
+ if (dmac != U64_MAX && vid != U16_MAX && pcp != U16_MAX) {
+ key->type = SJA1105_KEY_VLAN_AWARE_VL;
+ key->vl.dmac = dmac;
+ key->vl.vid = vid;
+ key->vl.pcp = pcp;
+ return 0;
+ }
+ if (dmac != U64_MAX) {
+ key->type = SJA1105_KEY_VLAN_UNAWARE_VL;
+ key->vl.dmac = dmac;
+ return 0;
}
NL_SET_ERR_MSG_MOD(extack, "Not matching on any known key");
@@ -259,22 +308,110 @@ int sja1105_cls_flower_add(struct dsa_switch *ds, int port,
struct netlink_ext_ack *extack = cls->common.extack;
struct sja1105_private *priv = ds->priv;
const struct flow_action_entry *act;
- int rc = -EOPNOTSUPP, i;
+ unsigned long cookie = cls->cookie;
+ bool routing_rule = false;
+ struct sja1105_key key;
+ bool gate_rule = false;
+ bool vl_rule = false;
+ int rc, i;
+
+ rc = sja1105_flower_parse_key(priv, extack, cls, &key);
+ if (rc)
+ return rc;
+
+ rc = -EOPNOTSUPP;
flow_action_for_each(i, act, &rule->action) {
switch (act->id) {
case FLOW_ACTION_POLICE:
- rc = sja1105_flower_parse_policer(priv, port, extack, cls,
- act->police.rate_bytes_ps,
- act->police.burst);
+ rc = sja1105_flower_policer(priv, port, extack, cookie,
+ &key,
+ act->police.rate_bytes_ps,
+ act->police.burst);
+ if (rc)
+ goto out;
+ break;
+ case FLOW_ACTION_TRAP: {
+ int cpu = dsa_upstream_port(ds, port);
+
+ routing_rule = true;
+ vl_rule = true;
+
+ rc = sja1105_vl_redirect(priv, port, extack, cookie,
+ &key, BIT(cpu), true);
+ if (rc)
+ goto out;
+ break;
+ }
+ case FLOW_ACTION_REDIRECT: {
+ struct dsa_port *to_dp;
+
+ to_dp = dsa_port_from_netdev(act->dev);
+ if (IS_ERR(to_dp)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Destination not a switch port");
+ return -EOPNOTSUPP;
+ }
+
+ routing_rule = true;
+ vl_rule = true;
+
+ rc = sja1105_vl_redirect(priv, port, extack, cookie,
+ &key, BIT(to_dp->index), true);
+ if (rc)
+ goto out;
+ break;
+ }
+ case FLOW_ACTION_DROP:
+ vl_rule = true;
+
+ rc = sja1105_vl_redirect(priv, port, extack, cookie,
+ &key, 0, false);
+ if (rc)
+ goto out;
+ break;
+ case FLOW_ACTION_GATE:
+ gate_rule = true;
+ vl_rule = true;
+
+ rc = sja1105_vl_gate(priv, port, extack, cookie,
+ &key, act->gate.index,
+ act->gate.prio,
+ act->gate.basetime,
+ act->gate.cycletime,
+ act->gate.cycletimeext,
+ act->gate.num_entries,
+ act->gate.entries);
+ if (rc)
+ goto out;
break;
default:
NL_SET_ERR_MSG_MOD(extack,
"Action not supported");
- break;
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+ }
+
+ if (vl_rule && !rc) {
+ /* Delay scheduling configuration until DESTPORTS has been
+ * populated by all other actions.
+ */
+ if (gate_rule) {
+ if (!routing_rule) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only offload gate action together with redirect or trap");
+ return -EOPNOTSUPP;
+ }
+ rc = sja1105_init_scheduling(priv);
+ if (rc)
+ goto out;
}
+
+ rc = sja1105_static_config_reload(priv, SJA1105_VIRTUAL_LINKS);
}
+out:
return rc;
}
@@ -289,6 +426,9 @@ int sja1105_cls_flower_del(struct dsa_switch *ds, int port,
if (!rule)
return 0;
+ if (rule->type == SJA1105_RULE_VL)
+ return sja1105_vl_delete(priv, port, rule, cls->common.extack);
+
policing = priv->static_config.tables[BLK_IDX_L2_POLICING].entries;
if (rule->type == SJA1105_RULE_BCAST_POLICER) {
@@ -297,7 +437,7 @@ int sja1105_cls_flower_del(struct dsa_switch *ds, int port,
old_sharindx = policing[bcast].sharindx;
policing[bcast].sharindx = port;
} else if (rule->type == SJA1105_RULE_TC_POLICER) {
- int index = (port * SJA1105_NUM_TC) + rule->tc_pol.tc;
+ int index = (port * SJA1105_NUM_TC) + rule->key.tc.pcp;
old_sharindx = policing[index].sharindx;
policing[index].sharindx = port;
@@ -315,6 +455,27 @@ int sja1105_cls_flower_del(struct dsa_switch *ds, int port,
return sja1105_static_config_reload(priv, SJA1105_BEST_EFFORT_POLICING);
}
+int sja1105_cls_flower_stats(struct dsa_switch *ds, int port,
+ struct flow_cls_offload *cls, bool ingress)
+{
+ struct sja1105_private *priv = ds->priv;
+ struct sja1105_rule *rule = sja1105_rule_find(priv, cls->cookie);
+ int rc;
+
+ if (!rule)
+ return 0;
+
+ if (rule->type != SJA1105_RULE_VL)
+ return 0;
+
+ rc = sja1105_vl_stats(priv, port, rule, &cls->stats,
+ cls->common.extack);
+ if (rc)
+ return rc;
+
+ return 0;
+}
+
void sja1105_flower_setup(struct dsa_switch *ds)
{
struct sja1105_private *priv = ds->priv;
diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index 472f4eb20c49..789b288cc78b 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -25,6 +25,8 @@
#include "sja1105_sgmii.h"
#include "sja1105_tas.h"
+static const struct dsa_switch_ops sja1105_switch_ops;
+
static void sja1105_hw_reset(struct gpio_desc *gpio, unsigned int pulse_len,
unsigned int startup_delay)
{
@@ -301,7 +303,8 @@ static int sja1105_init_static_vlan(struct sja1105_private *priv)
.tag_port = 0,
.vlanid = 1,
};
- int i;
+ struct dsa_switch *ds = priv->ds;
+ int port;
table = &priv->static_config.tables[BLK_IDX_VLAN_LOOKUP];
@@ -322,12 +325,31 @@ static int sja1105_init_static_vlan(struct sja1105_private *priv)
table->entry_count = 1;
/* VLAN 1: all DT-defined ports are members; no restrictions on
- * forwarding; always transmit priority-tagged frames as untagged.
+ * forwarding; always transmit as untagged.
*/
- for (i = 0; i < SJA1105_NUM_PORTS; i++) {
- pvid.vmemb_port |= BIT(i);
- pvid.vlan_bc |= BIT(i);
- pvid.tag_port &= ~BIT(i);
+ for (port = 0; port < ds->num_ports; port++) {
+ struct sja1105_bridge_vlan *v;
+
+ if (dsa_is_unused_port(ds, port))
+ continue;
+
+ pvid.vmemb_port |= BIT(port);
+ pvid.vlan_bc |= BIT(port);
+ pvid.tag_port &= ~BIT(port);
+
+ /* Let traffic that don't need dsa_8021q (e.g. STP, PTP) be
+ * transmitted as untagged.
+ */
+ v = kzalloc(sizeof(*v), GFP_KERNEL);
+ if (!v)
+ return -ENOMEM;
+
+ v->port = port;
+ v->vid = 1;
+ v->untagged = true;
+ if (dsa_is_cpu_port(ds, port))
+ v->pvid = true;
+ list_add(&v->list, &priv->dsa_8021q_vlans);
}
((struct sja1105_vlan_lookup_entry *)table->entries)[0] = pvid;
@@ -410,6 +432,41 @@ static int sja1105_init_l2_forwarding_params(struct sja1105_private *priv)
return 0;
}
+void sja1105_frame_memory_partitioning(struct sja1105_private *priv)
+{
+ struct sja1105_l2_forwarding_params_entry *l2_fwd_params;
+ struct sja1105_vl_forwarding_params_entry *vl_fwd_params;
+ struct sja1105_table *table;
+ int max_mem;
+
+ /* VLAN retagging is implemented using a loopback port that consumes
+ * frame buffers. That leaves less for us.
+ */
+ if (priv->vlan_state == SJA1105_VLAN_BEST_EFFORT)
+ max_mem = SJA1105_MAX_FRAME_MEMORY_RETAGGING;
+ else
+ max_mem = SJA1105_MAX_FRAME_MEMORY;
+
+ table = &priv->static_config.tables[BLK_IDX_L2_FORWARDING_PARAMS];
+ l2_fwd_params = table->entries;
+ l2_fwd_params->part_spc[0] = max_mem;
+
+ /* If we have any critical-traffic virtual links, we need to reserve
+ * some frame buffer memory for them. At the moment, hardcode the value
+ * at 100 blocks of 128 bytes of memory each. This leaves 829 blocks
+ * remaining for best-effort traffic. TODO: figure out a more flexible
+ * way to perform the frame buffer partitioning.
+ */
+ if (!priv->static_config.tables[BLK_IDX_VL_FORWARDING].entry_count)
+ return;
+
+ table = &priv->static_config.tables[BLK_IDX_VL_FORWARDING_PARAMS];
+ vl_fwd_params = table->entries;
+
+ l2_fwd_params->part_spc[0] -= SJA1105_VL_FRAME_MEMORY;
+ vl_fwd_params->partspc[0] = SJA1105_VL_FRAME_MEMORY;
+}
+
static int sja1105_init_general_params(struct sja1105_private *priv)
{
struct sja1105_general_params_entry default_general_params = {
@@ -445,7 +502,7 @@ static int sja1105_init_general_params(struct sja1105_private *priv)
*/
.casc_port = SJA1105_NUM_PORTS,
/* No TTEthernet */
- .vllupformat = 0,
+ .vllupformat = SJA1105_VL_FORMAT_PSFP,
.vlmarker = 0,
.vlmask = 0,
/* Only update correctionField for 1-step PTP (L2 transport) */
@@ -1301,7 +1358,7 @@ int sja1105pqrs_fdb_add(struct dsa_switch *ds, int port,
l2_lookup.vlanid = vid;
l2_lookup.iotag = SJA1105_S_TAG;
l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0);
- if (dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) {
+ if (priv->vlan_state != SJA1105_VLAN_UNAWARE) {
l2_lookup.mask_vlanid = VLAN_VID_MASK;
l2_lookup.mask_iotag = BIT(0);
} else {
@@ -1364,7 +1421,7 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,
l2_lookup.vlanid = vid;
l2_lookup.iotag = SJA1105_S_TAG;
l2_lookup.mask_macaddr = GENMASK_ULL(ETH_ALEN * 8 - 1, 0);
- if (dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) {
+ if (priv->vlan_state != SJA1105_VLAN_UNAWARE) {
l2_lookup.mask_vlanid = VLAN_VID_MASK;
l2_lookup.mask_iotag = BIT(0);
} else {
@@ -1410,7 +1467,7 @@ static int sja1105_fdb_add(struct dsa_switch *ds, int port,
* for what gets printed in 'bridge fdb show'. In the case of zero,
* no VID gets printed at all.
*/
- if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port)))
+ if (priv->vlan_state != SJA1105_VLAN_FILTERING_FULL)
vid = 0;
return priv->info->fdb_add_cmd(ds, port, addr, vid);
@@ -1421,7 +1478,7 @@ static int sja1105_fdb_del(struct dsa_switch *ds, int port,
{
struct sja1105_private *priv = ds->priv;
- if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port)))
+ if (priv->vlan_state != SJA1105_VLAN_FILTERING_FULL)
vid = 0;
return priv->info->fdb_del_cmd(ds, port, addr, vid);
@@ -1460,7 +1517,7 @@ static int sja1105_fdb_dump(struct dsa_switch *ds, int port,
u64_to_ether_addr(l2_lookup.macaddr, macaddr);
/* We need to hide the dsa_8021q VLANs from the user. */
- if (!dsa_port_is_vlan_filtering(dsa_to_port(ds, port)))
+ if (priv->vlan_state == SJA1105_VLAN_UNAWARE)
l2_lookup.vlanid = 0;
cb(macaddr, l2_lookup.vlanid, l2_lookup.lockeds, data);
}
@@ -1583,12 +1640,99 @@ static void sja1105_bridge_leave(struct dsa_switch *ds, int port,
sja1105_bridge_member(ds, port, br, false);
}
+#define BYTES_PER_KBIT (1000LL / 8)
+
+static int sja1105_find_unused_cbs_shaper(struct sja1105_private *priv)
+{
+ int i;
+
+ for (i = 0; i < priv->info->num_cbs_shapers; i++)
+ if (!priv->cbs[i].idle_slope && !priv->cbs[i].send_slope)
+ return i;
+
+ return -1;
+}
+
+static int sja1105_delete_cbs_shaper(struct sja1105_private *priv, int port,
+ int prio)
+{
+ int i;
+
+ for (i = 0; i < priv->info->num_cbs_shapers; i++) {
+ struct sja1105_cbs_entry *cbs = &priv->cbs[i];
+
+ if (cbs->port == port && cbs->prio == prio) {
+ memset(cbs, 0, sizeof(*cbs));
+ return sja1105_dynamic_config_write(priv, BLK_IDX_CBS,
+ i, cbs, true);
+ }
+ }
+
+ return 0;
+}
+
+static int sja1105_setup_tc_cbs(struct dsa_switch *ds, int port,
+ struct tc_cbs_qopt_offload *offload)
+{
+ struct sja1105_private *priv = ds->priv;
+ struct sja1105_cbs_entry *cbs;
+ int index;
+
+ if (!offload->enable)
+ return sja1105_delete_cbs_shaper(priv, port, offload->queue);
+
+ index = sja1105_find_unused_cbs_shaper(priv);
+ if (index < 0)
+ return -ENOSPC;
+
+ cbs = &priv->cbs[index];
+ cbs->port = port;
+ cbs->prio = offload->queue;
+ /* locredit and sendslope are negative by definition. In hardware,
+ * positive values must be provided, and the negative sign is implicit.
+ */
+ cbs->credit_hi = offload->hicredit;
+ cbs->credit_lo = abs(offload->locredit);
+ /* User space is in kbits/sec, hardware in bytes/sec */
+ cbs->idle_slope = offload->idleslope * BYTES_PER_KBIT;
+ cbs->send_slope = abs(offload->sendslope * BYTES_PER_KBIT);
+ /* Convert the negative values from 64-bit 2's complement
+ * to 32-bit 2's complement (for the case of 0x80000000 whose
+ * negative is still negative).
+ */
+ cbs->credit_lo &= GENMASK_ULL(31, 0);
+ cbs->send_slope &= GENMASK_ULL(31, 0);
+
+ return sja1105_dynamic_config_write(priv, BLK_IDX_CBS, index, cbs,
+ true);
+}
+
+static int sja1105_reload_cbs(struct sja1105_private *priv)
+{
+ int rc = 0, i;
+
+ for (i = 0; i < priv->info->num_cbs_shapers; i++) {
+ struct sja1105_cbs_entry *cbs = &priv->cbs[i];
+
+ if (!cbs->idle_slope && !cbs->send_slope)
+ continue;
+
+ rc = sja1105_dynamic_config_write(priv, BLK_IDX_CBS, i, cbs,
+ true);
+ if (rc)
+ break;
+ }
+
+ return rc;
+}
+
static const char * const sja1105_reset_reasons[] = {
[SJA1105_VLAN_FILTERING] = "VLAN filtering",
[SJA1105_RX_HWTSTAMPING] = "RX timestamping",
[SJA1105_AGEING_TIME] = "Ageing time",
[SJA1105_SCHEDULING] = "Time-aware scheduling",
[SJA1105_BEST_EFFORT_POLICING] = "Best-effort policing",
+ [SJA1105_VIRTUAL_LINKS] = "Virtual links",
};
/* For situations where we need to change a setting at runtime that is only
@@ -1696,6 +1840,10 @@ out_unlock_ptp:
sja1105_sgmii_pcs_force_speed(priv, speed);
}
}
+
+ rc = sja1105_reload_cbs(priv);
+ if (rc < 0)
+ goto out;
out:
mutex_unlock(&priv->mgmt_lock);
@@ -1714,6 +1862,154 @@ static int sja1105_pvid_apply(struct sja1105_private *priv, int port, u16 pvid)
&mac[port], true);
}
+static int sja1105_crosschip_bridge_join(struct dsa_switch *ds,
+ int tree_index, int sw_index,
+ int other_port, struct net_device *br)
+{
+ struct dsa_switch *other_ds = dsa_switch_find(tree_index, sw_index);
+ struct sja1105_private *other_priv = other_ds->priv;
+ struct sja1105_private *priv = ds->priv;
+ int port, rc;
+
+ if (other_ds->ops != &sja1105_switch_ops)
+ return 0;
+
+ for (port = 0; port < ds->num_ports; port++) {
+ if (!dsa_is_user_port(ds, port))
+ continue;
+ if (dsa_to_port(ds, port)->bridge_dev != br)
+ continue;
+
+ other_priv->expect_dsa_8021q = true;
+ rc = dsa_8021q_crosschip_bridge_join(ds, port, other_ds,
+ other_port,
+ &priv->crosschip_links);
+ other_priv->expect_dsa_8021q = false;
+ if (rc)
+ return rc;
+
+ priv->expect_dsa_8021q = true;
+ rc = dsa_8021q_crosschip_bridge_join(other_ds, other_port, ds,
+ port,
+ &other_priv->crosschip_links);
+ priv->expect_dsa_8021q = false;
+ if (rc)
+ return rc;
+ }
+
+ return 0;
+}
+
+static void sja1105_crosschip_bridge_leave(struct dsa_switch *ds,
+ int tree_index, int sw_index,
+ int other_port,
+ struct net_device *br)
+{
+ struct dsa_switch *other_ds = dsa_switch_find(tree_index, sw_index);
+ struct sja1105_private *other_priv = other_ds->priv;
+ struct sja1105_private *priv = ds->priv;
+ int port;
+
+ if (other_ds->ops != &sja1105_switch_ops)
+ return;
+
+ for (port = 0; port < ds->num_ports; port++) {
+ if (!dsa_is_user_port(ds, port))
+ continue;
+ if (dsa_to_port(ds, port)->bridge_dev != br)
+ continue;
+
+ other_priv->expect_dsa_8021q = true;
+ dsa_8021q_crosschip_bridge_leave(ds, port, other_ds, other_port,
+ &priv->crosschip_links);
+ other_priv->expect_dsa_8021q = false;
+
+ priv->expect_dsa_8021q = true;
+ dsa_8021q_crosschip_bridge_leave(other_ds, other_port, ds, port,
+ &other_priv->crosschip_links);
+ priv->expect_dsa_8021q = false;
+ }
+}
+
+static int sja1105_setup_8021q_tagging(struct dsa_switch *ds, bool enabled)
+{
+ struct sja1105_private *priv = ds->priv;
+ int rc, i;
+
+ for (i = 0; i < SJA1105_NUM_PORTS; i++) {
+ priv->expect_dsa_8021q = true;
+ rc = dsa_port_setup_8021q_tagging(ds, i, enabled);
+ priv->expect_dsa_8021q = false;
+ if (rc < 0) {
+ dev_err(ds->dev, "Failed to setup VLAN tagging for port %d: %d\n",
+ i, rc);
+ return rc;
+ }
+ }
+
+ dev_info(ds->dev, "%s switch tagging\n",
+ enabled ? "Enabled" : "Disabled");
+ return 0;
+}
+
+static enum dsa_tag_protocol
+sja1105_get_tag_protocol(struct dsa_switch *ds, int port,
+ enum dsa_tag_protocol mp)
+{
+ return DSA_TAG_PROTO_SJA1105;
+}
+
+static int sja1105_find_free_subvlan(u16 *subvlan_map, bool pvid)
+{
+ int subvlan;
+
+ if (pvid)
+ return 0;
+
+ for (subvlan = 1; subvlan < DSA_8021Q_N_SUBVLAN; subvlan++)
+ if (subvlan_map[subvlan] == VLAN_N_VID)
+ return subvlan;
+
+ return -1;
+}
+
+static int sja1105_find_subvlan(u16 *subvlan_map, u16 vid)
+{
+ int subvlan;
+
+ for (subvlan = 0; subvlan < DSA_8021Q_N_SUBVLAN; subvlan++)
+ if (subvlan_map[subvlan] == vid)
+ return subvlan;
+
+ return -1;
+}
+
+static int sja1105_find_committed_subvlan(struct sja1105_private *priv,
+ int port, u16 vid)
+{
+ struct sja1105_port *sp = &priv->ports[port];
+
+ return sja1105_find_subvlan(sp->subvlan_map, vid);
+}
+
+static void sja1105_init_subvlan_map(u16 *subvlan_map)
+{
+ int subvlan;
+
+ for (subvlan = 0; subvlan < DSA_8021Q_N_SUBVLAN; subvlan++)
+ subvlan_map[subvlan] = VLAN_N_VID;
+}
+
+static void sja1105_commit_subvlan_map(struct sja1105_private *priv, int port,
+ u16 *subvlan_map)
+{
+ struct sja1105_port *sp = &priv->ports[port];
+ int subvlan;
+
+ for (subvlan = 0; subvlan < DSA_8021Q_N_SUBVLAN; subvlan++)
+ sp->subvlan_map[subvlan] = subvlan_map[subvlan];
+}
+
static int sja1105_is_vlan_configured(struct sja1105_private *priv, u16 vid)
{
struct sja1105_vlan_lookup_entry *vlan;
@@ -1730,94 +2026,628 @@ static int sja1105_is_vlan_configured(struct sja1105_private *priv, u16 vid)
return -1;
}
-static int sja1105_vlan_apply(struct sja1105_private *priv, int port, u16 vid,
- bool enabled, bool untagged)
+static int
+sja1105_find_retagging_entry(struct sja1105_retagging_entry *retagging,
+ int count, int from_port, u16 from_vid,
+ u16 to_vid)
{
+ int i;
+
+ for (i = 0; i < count; i++)
+ if (retagging[i].ing_port == BIT(from_port) &&
+ retagging[i].vlan_ing == from_vid &&
+ retagging[i].vlan_egr == to_vid)
+ return i;
+
+ /* Return an invalid entry index if not found */
+ return -1;
+}
+
+static int sja1105_commit_vlans(struct sja1105_private *priv,
+ struct sja1105_vlan_lookup_entry *new_vlan,
+ struct sja1105_retagging_entry *new_retagging,
+ int num_retagging)
+{
+ struct sja1105_retagging_entry *retagging;
struct sja1105_vlan_lookup_entry *vlan;
struct sja1105_table *table;
- bool keep = true;
- int match, rc;
+ int num_vlans = 0;
+ int rc, i, k = 0;
+ /* VLAN table */
table = &priv->static_config.tables[BLK_IDX_VLAN_LOOKUP];
+ vlan = table->entries;
- match = sja1105_is_vlan_configured(priv, vid);
- if (match < 0) {
- /* Can't delete a missing entry. */
- if (!enabled)
- return 0;
- rc = sja1105_table_resize(table, table->entry_count + 1);
+ for (i = 0; i < VLAN_N_VID; i++) {
+ int match = sja1105_is_vlan_configured(priv, i);
+
+ if (new_vlan[i].vlanid != VLAN_N_VID)
+ num_vlans++;
+
+ if (new_vlan[i].vlanid == VLAN_N_VID && match >= 0) {
+ /* Was there before, no longer is. Delete */
+ dev_dbg(priv->ds->dev, "Deleting VLAN %d\n", i);
+ rc = sja1105_dynamic_config_write(priv,
+ BLK_IDX_VLAN_LOOKUP,
+ i, &vlan[match], false);
+ if (rc < 0)
+ return rc;
+ } else if (new_vlan[i].vlanid != VLAN_N_VID) {
+ /* Nothing changed, don't do anything */
+ if (match >= 0 &&
+ vlan[match].vlanid == new_vlan[i].vlanid &&
+ vlan[match].tag_port == new_vlan[i].tag_port &&
+ vlan[match].vlan_bc == new_vlan[i].vlan_bc &&
+ vlan[match].vmemb_port == new_vlan[i].vmemb_port)
+ continue;
+ /* Update entry */
+ dev_dbg(priv->ds->dev, "Updating VLAN %d\n", i);
+ rc = sja1105_dynamic_config_write(priv,
+ BLK_IDX_VLAN_LOOKUP,
+ i, &new_vlan[i],
+ true);
+ if (rc < 0)
+ return rc;
+ }
+ }
+
+ if (table->entry_count)
+ kfree(table->entries);
+
+ table->entries = kcalloc(num_vlans, table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+
+ table->entry_count = num_vlans;
+ vlan = table->entries;
+
+ for (i = 0; i < VLAN_N_VID; i++) {
+ if (new_vlan[i].vlanid == VLAN_N_VID)
+ continue;
+ vlan[k++] = new_vlan[i];
+ }
+
+ /* VLAN Retagging Table */
+ table = &priv->static_config.tables[BLK_IDX_RETAGGING];
+ retagging = table->entries;
+
+ for (i = 0; i < table->entry_count; i++) {
+ rc = sja1105_dynamic_config_write(priv, BLK_IDX_RETAGGING,
+ i, &retagging[i], false);
if (rc)
return rc;
- match = table->entry_count - 1;
}
- /* Assign pointer after the resize (it's new memory) */
- vlan = table->entries;
- vlan[match].vlanid = vid;
- if (enabled) {
- vlan[match].vlan_bc |= BIT(port);
- vlan[match].vmemb_port |= BIT(port);
- } else {
- vlan[match].vlan_bc &= ~BIT(port);
- vlan[match].vmemb_port &= ~BIT(port);
+
+ if (table->entry_count)
+ kfree(table->entries);
+
+ table->entries = kcalloc(num_retagging, table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+
+ table->entry_count = num_retagging;
+ retagging = table->entries;
+
+ for (i = 0; i < num_retagging; i++) {
+ retagging[i] = new_retagging[i];
+
+ /* Update entry */
+ rc = sja1105_dynamic_config_write(priv, BLK_IDX_RETAGGING,
+ i, &retagging[i], true);
+ if (rc < 0)
+ return rc;
}
- /* Also unset tag_port if removing this VLAN was requested,
- * just so we don't have a confusing bitmap (no practical purpose).
- */
- if (untagged || !enabled)
- vlan[match].tag_port &= ~BIT(port);
+
+ return 0;
+}
+
+struct sja1105_crosschip_vlan {
+ struct list_head list;
+ u16 vid;
+ bool untagged;
+ int port;
+ int other_port;
+ struct dsa_switch *other_ds;
+};
+
+struct sja1105_crosschip_switch {
+ struct list_head list;
+ struct dsa_switch *other_ds;
+};
+
+static int sja1105_commit_pvid(struct sja1105_private *priv)
+{
+ struct sja1105_bridge_vlan *v;
+ struct list_head *vlan_list;
+ int rc = 0;
+
+ if (priv->vlan_state == SJA1105_VLAN_FILTERING_FULL)
+ vlan_list = &priv->bridge_vlans;
else
- vlan[match].tag_port |= BIT(port);
- /* If there's no port left as member of this VLAN,
- * it's time for it to go.
- */
- if (!vlan[match].vmemb_port)
- keep = false;
+ vlan_list = &priv->dsa_8021q_vlans;
- dev_dbg(priv->ds->dev,
- "%s: port %d, vid %llu, broadcast domain 0x%llx, "
- "port members 0x%llx, tagged ports 0x%llx, keep %d\n",
- __func__, port, vlan[match].vlanid, vlan[match].vlan_bc,
- vlan[match].vmemb_port, vlan[match].tag_port, keep);
+ list_for_each_entry(v, vlan_list, list) {
+ if (v->pvid) {
+ rc = sja1105_pvid_apply(priv, v->port, v->vid);
+ if (rc)
+ break;
+ }
+ }
- rc = sja1105_dynamic_config_write(priv, BLK_IDX_VLAN_LOOKUP, vid,
- &vlan[match], keep);
- if (rc < 0)
- return rc;
+ return rc;
+}
+
+static int
+sja1105_build_bridge_vlans(struct sja1105_private *priv,
+ struct sja1105_vlan_lookup_entry *new_vlan)
+{
+ struct sja1105_bridge_vlan *v;
- if (!keep)
- return sja1105_table_delete_entry(table, match);
+ if (priv->vlan_state == SJA1105_VLAN_UNAWARE)
+ return 0;
+
+ list_for_each_entry(v, &priv->bridge_vlans, list) {
+ int match = v->vid;
+
+ new_vlan[match].vlanid = v->vid;
+ new_vlan[match].vmemb_port |= BIT(v->port);
+ new_vlan[match].vlan_bc |= BIT(v->port);
+ if (!v->untagged)
+ new_vlan[match].tag_port |= BIT(v->port);
+ }
return 0;
}
-static int sja1105_setup_8021q_tagging(struct dsa_switch *ds, bool enabled)
+static int
+sja1105_build_dsa_8021q_vlans(struct sja1105_private *priv,
+ struct sja1105_vlan_lookup_entry *new_vlan)
{
- int rc, i;
+ struct sja1105_bridge_vlan *v;
- for (i = 0; i < SJA1105_NUM_PORTS; i++) {
- rc = dsa_port_setup_8021q_tagging(ds, i, enabled);
- if (rc < 0) {
- dev_err(ds->dev, "Failed to setup VLAN tagging for port %d: %d\n",
- i, rc);
- return rc;
+ if (priv->vlan_state == SJA1105_VLAN_FILTERING_FULL)
+ return 0;
+
+ list_for_each_entry(v, &priv->dsa_8021q_vlans, list) {
+ int match = v->vid;
+
+ new_vlan[match].vlanid = v->vid;
+ new_vlan[match].vmemb_port |= BIT(v->port);
+ new_vlan[match].vlan_bc |= BIT(v->port);
+ if (!v->untagged)
+ new_vlan[match].tag_port |= BIT(v->port);
+ }
+
+ return 0;
+}
+
+static int sja1105_build_subvlans(struct sja1105_private *priv,
+ u16 subvlan_map[][DSA_8021Q_N_SUBVLAN],
+ struct sja1105_vlan_lookup_entry *new_vlan,
+ struct sja1105_retagging_entry *new_retagging,
+ int *num_retagging)
+{
+ struct sja1105_bridge_vlan *v;
+ int k = *num_retagging;
+
+ if (priv->vlan_state != SJA1105_VLAN_BEST_EFFORT)
+ return 0;
+
+ list_for_each_entry(v, &priv->bridge_vlans, list) {
+ int upstream = dsa_upstream_port(priv->ds, v->port);
+ int match, subvlan;
+ u16 rx_vid;
+
+ /* Only sub-VLANs on user ports need to be applied.
+ * Bridge VLANs also include VLANs added automatically
+ * by DSA on the CPU port.
+ */
+ if (!dsa_is_user_port(priv->ds, v->port))
+ continue;
+
+ subvlan = sja1105_find_subvlan(subvlan_map[v->port],
+ v->vid);
+ if (subvlan < 0) {
+ subvlan = sja1105_find_free_subvlan(subvlan_map[v->port],
+ v->pvid);
+ if (subvlan < 0) {
+ dev_err(priv->ds->dev, "No more free subvlans\n");
+ return -ENOSPC;
+ }
+ }
+
+ rx_vid = dsa_8021q_rx_vid_subvlan(priv->ds, v->port, subvlan);
+
+ /* @v->vid on @v->port needs to be retagged to @rx_vid
+ * on @upstream. Assume @v->vid on @v->port and on
+ * @upstream was already configured by the previous
+ * iteration over bridge_vlans.
+ */
+ match = rx_vid;
+ new_vlan[match].vlanid = rx_vid;
+ new_vlan[match].vmemb_port |= BIT(v->port);
+ new_vlan[match].vmemb_port |= BIT(upstream);
+ new_vlan[match].vlan_bc |= BIT(v->port);
+ new_vlan[match].vlan_bc |= BIT(upstream);
+ /* The "untagged" flag is set the same as for the
+ * original VLAN
+ */
+ if (!v->untagged)
+ new_vlan[match].tag_port |= BIT(v->port);
+ /* But it's always tagged towards the CPU */
+ new_vlan[match].tag_port |= BIT(upstream);
+
+ /* The Retagging Table generates packet *clones* with
+ * the new VLAN. This is a very odd hardware quirk
+ * which we need to suppress by dropping the original
+ * packet.
+ * Deny egress of the original VLAN towards the CPU
+ * port. This will force the switch to drop it, and
+ * we'll see only the retagged packets.
+ */
+ match = v->vid;
+ new_vlan[match].vlan_bc &= ~BIT(upstream);
+
+ /* And the retagging itself */
+ new_retagging[k].vlan_ing = v->vid;
+ new_retagging[k].vlan_egr = rx_vid;
+ new_retagging[k].ing_port = BIT(v->port);
+ new_retagging[k].egr_port = BIT(upstream);
+ if (k++ == SJA1105_MAX_RETAGGING_COUNT) {
+ dev_err(priv->ds->dev, "No more retagging rules\n");
+ return -ENOSPC;
}
+
+ subvlan_map[v->port][subvlan] = v->vid;
}
- dev_info(ds->dev, "%s switch tagging\n",
- enabled ? "Enabled" : "Disabled");
+
+ *num_retagging = k;
+
return 0;
}
-static enum dsa_tag_protocol
-sja1105_get_tag_protocol(struct dsa_switch *ds, int port,
- enum dsa_tag_protocol mp)
+/* Sadly, in crosschip scenarios where the CPU port is also the link to another
+ * switch, we should retag backwards (the dsa_8021q vid to the original vid) on
+ * the CPU port of neighbour switches.
+ */
+static int
+sja1105_build_crosschip_subvlans(struct sja1105_private *priv,
+ struct sja1105_vlan_lookup_entry *new_vlan,
+ struct sja1105_retagging_entry *new_retagging,
+ int *num_retagging)
+{
+ struct sja1105_crosschip_vlan *tmp, *pos;
+ struct dsa_8021q_crosschip_link *c;
+ struct sja1105_bridge_vlan *v, *w;
+ struct list_head crosschip_vlans;
+ int k = *num_retagging;
+ int rc = 0;
+
+ if (priv->vlan_state != SJA1105_VLAN_BEST_EFFORT)
+ return 0;
+
+ INIT_LIST_HEAD(&crosschip_vlans);
+
+ list_for_each_entry(c, &priv->crosschip_links, list) {
+ struct sja1105_private *other_priv = c->other_ds->priv;
+
+ if (other_priv->vlan_state == SJA1105_VLAN_FILTERING_FULL)
+ continue;
+
+ /* Crosschip links are also added to the CPU ports.
+ * Ignore those.
+ */
+ if (!dsa_is_user_port(priv->ds, c->port))
+ continue;
+ if (!dsa_is_user_port(c->other_ds, c->other_port))
+ continue;
+
+ /* Search for VLANs on the remote port */
+ list_for_each_entry(v, &other_priv->bridge_vlans, list) {
+ bool already_added = false;
+ bool we_have_it = false;
+
+ if (v->port != c->other_port)
+ continue;
+
+ /* If @v is a pvid on @other_ds, it does not need
+ * re-retagging, because its SVL field is 0 and we
+ * already allow that, via the dsa_8021q crosschip
+ * links.
+ */
+ if (v->pvid)
+ continue;
+
+ /* Search for the VLAN on our local port */
+ list_for_each_entry(w, &priv->bridge_vlans, list) {
+ if (w->port == c->port && w->vid == v->vid) {
+ we_have_it = true;
+ break;
+ }
+ }
+
+ if (!we_have_it)
+ continue;
+
+ list_for_each_entry(tmp, &crosschip_vlans, list) {
+ if (tmp->vid == v->vid &&
+ tmp->untagged == v->untagged &&
+ tmp->port == c->port &&
+ tmp->other_port == v->port &&
+ tmp->other_ds == c->other_ds) {
+ already_added = true;
+ break;
+ }
+ }
+
+ if (already_added)
+ continue;
+
+ tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
+ if (!tmp) {
+ dev_err(priv->ds->dev, "Failed to allocate memory\n");
+ rc = -ENOMEM;
+ goto out;
+ }
+ tmp->vid = v->vid;
+ tmp->port = c->port;
+ tmp->other_port = v->port;
+ tmp->other_ds = c->other_ds;
+ tmp->untagged = v->untagged;
+ list_add(&tmp->list, &crosschip_vlans);
+ }
+ }
+
+ list_for_each_entry(tmp, &crosschip_vlans, list) {
+ struct sja1105_private *other_priv = tmp->other_ds->priv;
+ int upstream = dsa_upstream_port(priv->ds, tmp->port);
+ int match, subvlan;
+ u16 rx_vid;
+
+ subvlan = sja1105_find_committed_subvlan(other_priv,
+ tmp->other_port,
+ tmp->vid);
+ /* If this happens, it's a bug. The neighbour switch does not
+ * have a subvlan for tmp->vid on tmp->other_port, but it
+ * should, since we already checked for its vlan_state.
+ */
+ if (WARN_ON(subvlan < 0)) {
+ rc = -EINVAL;
+ goto out;
+ }
+
+ rx_vid = dsa_8021q_rx_vid_subvlan(tmp->other_ds,
+ tmp->other_port,
+ subvlan);
+
+ /* The @rx_vid retagged from @tmp->vid on
+ * {@tmp->other_ds, @tmp->other_port} needs to be
+ * re-retagged to @tmp->vid on the way back to us.
+ *
+ * Assume the original @tmp->vid is already configured
+ * on this local switch, otherwise we wouldn't be
+ * retagging its subvlan on the other switch in the
+ * first place. We just need to add a reverse retagging
+ * rule for @rx_vid and install @rx_vid on our ports.
+ */
+ match = rx_vid;
+ new_vlan[match].vlanid = rx_vid;
+ new_vlan[match].vmemb_port |= BIT(tmp->port);
+ new_vlan[match].vmemb_port |= BIT(upstream);
+ /* The "untagged" flag is set the same as for the
+ * original VLAN. And towards the CPU, it doesn't
+ * really matter, because @rx_vid will only receive
+ * traffic on that port. For consistency with other dsa_8021q
+ * VLANs, we'll keep the CPU port tagged.
+ */
+ if (!tmp->untagged)
+ new_vlan[match].tag_port |= BIT(tmp->port);
+ new_vlan[match].tag_port |= BIT(upstream);
+ /* Deny egress of @rx_vid towards our front-panel port.
+ * This will force the switch to drop it, and we'll see
+ * only the re-retagged packets (having the original,
+ * pre-initial-retagging, VLAN @tmp->vid).
+ */
+ new_vlan[match].vlan_bc &= ~BIT(tmp->port);
+
+ /* On reverse retagging, the same ingress VLAN goes to multiple
+ * ports. So we have an opportunity to create composite rules
+ * to not waste the limited space in the retagging table.
+ */
+ k = sja1105_find_retagging_entry(new_retagging, *num_retagging,
+ upstream, rx_vid, tmp->vid);
+ if (k < 0) {
+ if (*num_retagging == SJA1105_MAX_RETAGGING_COUNT) {
+ dev_err(priv->ds->dev, "No more retagging rules\n");
+ rc = -ENOSPC;
+ goto out;
+ }
+ k = (*num_retagging)++;
+ }
+ /* And the retagging itself */
+ new_retagging[k].vlan_ing = rx_vid;
+ new_retagging[k].vlan_egr = tmp->vid;
+ new_retagging[k].ing_port = BIT(upstream);
+ new_retagging[k].egr_port |= BIT(tmp->port);
+ }
+
+out:
+ list_for_each_entry_safe(tmp, pos, &crosschip_vlans, list) {
+ list_del(&tmp->list);
+ kfree(tmp);
+ }
+
+ return rc;
+}
+
+static int sja1105_build_vlan_table(struct sja1105_private *priv, bool notify);
+
+static int sja1105_notify_crosschip_switches(struct sja1105_private *priv)
{
- return DSA_TAG_PROTO_SJA1105;
+ struct sja1105_crosschip_switch *s, *pos;
+ struct list_head crosschip_switches;
+ struct dsa_8021q_crosschip_link *c;
+ int rc = 0;
+
+ INIT_LIST_HEAD(&crosschip_switches);
+
+ list_for_each_entry(c, &priv->crosschip_links, list) {
+ bool already_added = false;
+
+ list_for_each_entry(s, &crosschip_switches, list) {
+ if (s->other_ds == c->other_ds) {
+ already_added = true;
+ break;
+ }
+ }
+
+ if (already_added)
+ continue;
+
+ s = kzalloc(sizeof(*s), GFP_KERNEL);
+ if (!s) {
+ dev_err(priv->ds->dev, "Failed to allocate memory\n");
+ rc = -ENOMEM;
+ goto out;
+ }
+ s->other_ds = c->other_ds;
+ list_add(&s->list, &crosschip_switches);
+ }
+
+ list_for_each_entry(s, &crosschip_switches, list) {
+ struct sja1105_private *other_priv = s->other_ds->priv;
+
+ rc = sja1105_build_vlan_table(other_priv, false);
+ if (rc)
+ goto out;
+ }
+
+out:
+ list_for_each_entry_safe(s, pos, &crosschip_switches, list) {
+ list_del(&s->list);
+ kfree(s);
+ }
+
+ return rc;
+}
+
+static int sja1105_build_vlan_table(struct sja1105_private *priv, bool notify)
+{
+ u16 subvlan_map[SJA1105_NUM_PORTS][DSA_8021Q_N_SUBVLAN];
+ struct sja1105_retagging_entry *new_retagging;
+ struct sja1105_vlan_lookup_entry *new_vlan;
+ struct sja1105_table *table;
+ int i, num_retagging = 0;
+ int rc;
+
+ table = &priv->static_config.tables[BLK_IDX_VLAN_LOOKUP];
+ new_vlan = kcalloc(VLAN_N_VID,
+ table->ops->unpacked_entry_size, GFP_KERNEL);
+ if (!new_vlan)
+ return -ENOMEM;
+
+ table = &priv->static_config.tables[BLK_IDX_VLAN_LOOKUP];
+ new_retagging = kcalloc(SJA1105_MAX_RETAGGING_COUNT,
+ table->ops->unpacked_entry_size, GFP_KERNEL);
+ if (!new_retagging) {
+ kfree(new_vlan);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < VLAN_N_VID; i++)
+ new_vlan[i].vlanid = VLAN_N_VID;
+
+ for (i = 0; i < SJA1105_MAX_RETAGGING_COUNT; i++)
+ new_retagging[i].vlan_ing = VLAN_N_VID;
+
+ for (i = 0; i < priv->ds->num_ports; i++)
+ sja1105_init_subvlan_map(subvlan_map[i]);
+
+ /* Bridge VLANs */
+ rc = sja1105_build_bridge_vlans(priv, new_vlan);
+ if (rc)
+ goto out;
+
+ /* VLANs necessary for dsa_8021q operation, given to us by tag_8021q.c:
+ * - RX VLANs
+ * - TX VLANs
+ * - Crosschip links
+ */
+ rc = sja1105_build_dsa_8021q_vlans(priv, new_vlan);
+ if (rc)
+ goto out;
+
+ /* Private VLANs necessary for dsa_8021q operation, which we need to
+ * determine on our own:
+ * - Sub-VLANs
+ * - Sub-VLANs of crosschip switches
+ */
+ rc = sja1105_build_subvlans(priv, subvlan_map, new_vlan, new_retagging,
+ &num_retagging);
+ if (rc)
+ goto out;
+
+ rc = sja1105_build_crosschip_subvlans(priv, new_vlan, new_retagging,
+ &num_retagging);
+ if (rc)
+ goto out;
+
+ rc = sja1105_commit_vlans(priv, new_vlan, new_retagging, num_retagging);
+ if (rc)
+ goto out;
+
+ rc = sja1105_commit_pvid(priv);
+ if (rc)
+ goto out;
+
+ for (i = 0; i < priv->ds->num_ports; i++)
+ sja1105_commit_subvlan_map(priv, i, subvlan_map[i]);
+
+ if (notify) {
+ rc = sja1105_notify_crosschip_switches(priv);
+ if (rc)
+ goto out;
+ }
+
+out:
+ kfree(new_vlan);
+ kfree(new_retagging);
+
+ return rc;
+}
+
+/* Select the list to which we should add this VLAN. */
+static struct list_head *sja1105_classify_vlan(struct sja1105_private *priv,
+ u16 vid)
+{
+ if (priv->expect_dsa_8021q)
+ return &priv->dsa_8021q_vlans;
+
+ return &priv->bridge_vlans;
}
-/* This callback needs to be present */
static int sja1105_vlan_prepare(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
{
+ struct sja1105_private *priv = ds->priv;
+ u16 vid;
+
+ if (priv->vlan_state == SJA1105_VLAN_FILTERING_FULL)
+ return 0;
+
+ /* If the user wants best-effort VLAN filtering (aka vlan_filtering
+ * bridge plus tagging), be sure to at least deny alterations to the
+ * configuration done by dsa_8021q.
+ */
+ for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
+ if (!priv->expect_dsa_8021q && vid_is_dsa_8021q(vid)) {
+ dev_err(ds->dev, "Range 1024-3071 reserved for dsa_8021q operation\n");
+ return -EBUSY;
+ }
+ }
+
return 0;
}
@@ -1830,10 +2660,21 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
struct sja1105_l2_lookup_params_entry *l2_lookup_params;
struct sja1105_general_params_entry *general_params;
struct sja1105_private *priv = ds->priv;
+ enum sja1105_vlan_state state;
struct sja1105_table *table;
+ struct sja1105_rule *rule;
+ bool want_tagging;
u16 tpid, tpid2;
int rc;
+ list_for_each_entry(rule, &priv->flow_block.rules, list) {
+ if (rule->type == SJA1105_RULE_VL) {
+ dev_err(ds->dev,
+ "Cannot change VLAN filtering state while VL rules are active\n");
+ return -EBUSY;
+ }
+ }
+
if (enabled) {
/* Enable VLAN filtering. */
tpid = ETH_P_8021Q;
@@ -1844,6 +2685,29 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
tpid2 = ETH_P_SJA1105;
}
+ for (port = 0; port < ds->num_ports; port++) {
+ struct sja1105_port *sp = &priv->ports[port];
+
+ if (enabled)
+ sp->xmit_tpid = priv->info->qinq_tpid;
+ else
+ sp->xmit_tpid = ETH_P_SJA1105;
+ }
+
+ if (!enabled)
+ state = SJA1105_VLAN_UNAWARE;
+ else if (priv->best_effort_vlan_filtering)
+ state = SJA1105_VLAN_BEST_EFFORT;
+ else
+ state = SJA1105_VLAN_FILTERING_FULL;
+
+ if (priv->vlan_state == state)
+ return 0;
+
+ priv->vlan_state = state;
+ want_tagging = (state == SJA1105_VLAN_UNAWARE ||
+ state == SJA1105_VLAN_BEST_EFFORT);
+
table = &priv->static_config.tables[BLK_IDX_GENERAL_PARAMS];
general_params = table->entries;
/* EtherType used to identify inner tagged (C-tag) VLAN traffic */
@@ -1856,8 +2720,10 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
general_params->incl_srcpt1 = enabled;
general_params->incl_srcpt0 = enabled;
+ want_tagging = priv->best_effort_vlan_filtering || !enabled;
+
/* VLAN filtering => independent VLAN learning.
- * No VLAN filtering => shared VLAN learning.
+ * No VLAN filtering (or best effort) => shared VLAN learning.
*
* In shared VLAN learning mode, untagged traffic still gets
* pvid-tagged, and the FDB table gets populated with entries
@@ -1876,7 +2742,13 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
*/
table = &priv->static_config.tables[BLK_IDX_L2_LOOKUP_PARAMS];
l2_lookup_params = table->entries;
- l2_lookup_params->shared_learn = !enabled;
+ l2_lookup_params->shared_learn = want_tagging;
+
+ sja1105_frame_memory_partitioning(priv);
+
+ rc = sja1105_build_vlan_table(priv, false);
+ if (rc)
+ return rc;
rc = sja1105_static_config_reload(priv, SJA1105_VLAN_FILTERING);
if (rc)
@@ -1884,56 +2756,191 @@ static int sja1105_vlan_filtering(struct dsa_switch *ds, int port, bool enabled)
/* Switch port identification based on 802.1Q is only passable
* if we are not under a vlan_filtering bridge. So make sure
- * the two configurations are mutually exclusive.
+ * the two configurations are mutually exclusive (of course, the
+ * user may know better, i.e. best_effort_vlan_filtering).
*/
- return sja1105_setup_8021q_tagging(ds, !enabled);
+ return sja1105_setup_8021q_tagging(ds, want_tagging);
}
static void sja1105_vlan_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
{
struct sja1105_private *priv = ds->priv;
+ bool vlan_table_changed = false;
u16 vid;
int rc;
for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
- rc = sja1105_vlan_apply(priv, port, vid, true, vlan->flags &
- BRIDGE_VLAN_INFO_UNTAGGED);
- if (rc < 0) {
- dev_err(ds->dev, "Failed to add VLAN %d to port %d: %d\n",
- vid, port, rc);
- return;
- }
- if (vlan->flags & BRIDGE_VLAN_INFO_PVID) {
- rc = sja1105_pvid_apply(ds->priv, port, vid);
- if (rc < 0) {
- dev_err(ds->dev, "Failed to set pvid %d on port %d: %d\n",
- vid, port, rc);
- return;
+ bool untagged = vlan->flags & BRIDGE_VLAN_INFO_UNTAGGED;
+ bool pvid = vlan->flags & BRIDGE_VLAN_INFO_PVID;
+ struct sja1105_bridge_vlan *v;
+ struct list_head *vlan_list;
+ bool already_added = false;
+
+ vlan_list = sja1105_classify_vlan(priv, vid);
+
+ list_for_each_entry(v, vlan_list, list) {
+ if (v->port == port && v->vid == vid &&
+ v->untagged == untagged && v->pvid == pvid) {
+ already_added = true;
+ break;
}
}
+
+ if (already_added)
+ continue;
+
+ v = kzalloc(sizeof(*v), GFP_KERNEL);
+ if (!v) {
+ dev_err(ds->dev, "Out of memory while storing VLAN\n");
+ return;
+ }
+
+ v->port = port;
+ v->vid = vid;
+ v->untagged = untagged;
+ v->pvid = pvid;
+ list_add(&v->list, vlan_list);
+
+ vlan_table_changed = true;
}
+
+ if (!vlan_table_changed)
+ return;
+
+ rc = sja1105_build_vlan_table(priv, true);
+ if (rc)
+ dev_err(ds->dev, "Failed to build VLAN table: %d\n", rc);
}
static int sja1105_vlan_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan)
{
struct sja1105_private *priv = ds->priv;
+ bool vlan_table_changed = false;
u16 vid;
- int rc;
for (vid = vlan->vid_begin; vid <= vlan->vid_end; vid++) {
- rc = sja1105_vlan_apply(priv, port, vid, false, vlan->flags &
- BRIDGE_VLAN_INFO_UNTAGGED);
- if (rc < 0) {
- dev_err(ds->dev, "Failed to remove VLAN %d from port %d: %d\n",
- vid, port, rc);
- return rc;
+ struct sja1105_bridge_vlan *v, *n;
+ struct list_head *vlan_list;
+
+ vlan_list = sja1105_classify_vlan(priv, vid);
+
+ list_for_each_entry_safe(v, n, vlan_list, list) {
+ if (v->port == port && v->vid == vid) {
+ list_del(&v->list);
+ kfree(v);
+ vlan_table_changed = true;
+ break;
+ }
}
}
+
+ if (!vlan_table_changed)
+ return 0;
+
+ return sja1105_build_vlan_table(priv, true);
+}
+
+static int sja1105_best_effort_vlan_filtering_get(struct sja1105_private *priv,
+ bool *be_vlan)
+{
+ *be_vlan = priv->best_effort_vlan_filtering;
+
return 0;
}
+static int sja1105_best_effort_vlan_filtering_set(struct sja1105_private *priv,
+ bool be_vlan)
+{
+ struct dsa_switch *ds = priv->ds;
+ bool vlan_filtering;
+ int port;
+ int rc;
+
+ priv->best_effort_vlan_filtering = be_vlan;
+
+ rtnl_lock();
+ for (port = 0; port < ds->num_ports; port++) {
+ struct dsa_port *dp;
+
+ if (!dsa_is_user_port(ds, port))
+ continue;
+
+ dp = dsa_to_port(ds, port);
+ vlan_filtering = dsa_port_is_vlan_filtering(dp);
+
+ rc = sja1105_vlan_filtering(ds, port, vlan_filtering);
+ if (rc)
+ break;
+ }
+ rtnl_unlock();
+
+ return rc;
+}
+
+enum sja1105_devlink_param_id {
+ SJA1105_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
+ SJA1105_DEVLINK_PARAM_ID_BEST_EFFORT_VLAN_FILTERING,
+};
+
+static int sja1105_devlink_param_get(struct dsa_switch *ds, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct sja1105_private *priv = ds->priv;
+ int err;
+
+ switch (id) {
+ case SJA1105_DEVLINK_PARAM_ID_BEST_EFFORT_VLAN_FILTERING:
+ err = sja1105_best_effort_vlan_filtering_get(priv,
+ &ctx->val.vbool);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
+static int sja1105_devlink_param_set(struct dsa_switch *ds, u32 id,
+ struct devlink_param_gset_ctx *ctx)
+{
+ struct sja1105_private *priv = ds->priv;
+ int err;
+
+ switch (id) {
+ case SJA1105_DEVLINK_PARAM_ID_BEST_EFFORT_VLAN_FILTERING:
+ err = sja1105_best_effort_vlan_filtering_set(priv,
+ ctx->val.vbool);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
+static const struct devlink_param sja1105_devlink_params[] = {
+ DSA_DEVLINK_PARAM_DRIVER(SJA1105_DEVLINK_PARAM_ID_BEST_EFFORT_VLAN_FILTERING,
+ "best_effort_vlan_filtering",
+ DEVLINK_PARAM_TYPE_BOOL,
+ BIT(DEVLINK_PARAM_CMODE_RUNTIME)),
+};
+
+static int sja1105_setup_devlink_params(struct dsa_switch *ds)
+{
+ return dsa_devlink_params_register(ds, sja1105_devlink_params,
+ ARRAY_SIZE(sja1105_devlink_params));
+}
+
+static void sja1105_teardown_devlink_params(struct dsa_switch *ds)
+{
+ dsa_devlink_params_unregister(ds, sja1105_devlink_params,
+ ARRAY_SIZE(sja1105_devlink_params));
+}
+
/* The programming model for the SJA1105 switch is "all-at-once" via static
* configuration tables. Some of these can be dynamically modified at runtime,
* but not the xMII mode parameters table.
@@ -1999,6 +3006,12 @@ static int sja1105_setup(struct dsa_switch *ds)
ds->mtu_enforcement_ingress = true;
+ ds->configure_vlan_while_not_filtering = true;
+
+ rc = sja1105_setup_devlink_params(ds);
+ if (rc < 0)
+ return rc;
+
/* The DSA/switchdev model brings up switch ports in standalone mode by
* default, and that means vlan_filtering is 0 since they're not under
* a bridge, so it's safe to set up switch tagging at this time.
@@ -2009,6 +3022,7 @@ static int sja1105_setup(struct dsa_switch *ds)
static void sja1105_teardown(struct dsa_switch *ds)
{
struct sja1105_private *priv = ds->priv;
+ struct sja1105_bridge_vlan *v, *n;
int port;
for (port = 0; port < SJA1105_NUM_PORTS; port++) {
@@ -2021,10 +3035,21 @@ static void sja1105_teardown(struct dsa_switch *ds)
kthread_destroy_worker(sp->xmit_worker);
}
+ sja1105_teardown_devlink_params(ds);
sja1105_flower_teardown(ds);
sja1105_tas_teardown(ds);
sja1105_ptp_clock_unregister(ds);
sja1105_static_config_free(&priv->static_config);
+
+ list_for_each_entry_safe(v, n, &priv->dsa_8021q_vlans, list) {
+ list_del(&v->list);
+ kfree(v);
+ }
+
+ list_for_each_entry_safe(v, n, &priv->bridge_vlans, list) {
+ list_del(&v->list);
+ kfree(v);
+ }
}
static int sja1105_port_enable(struct dsa_switch *ds, int port,
@@ -2200,6 +3225,8 @@ static int sja1105_port_setup_tc(struct dsa_switch *ds, int port,
switch (type) {
case TC_SETUP_QDISC_TAPRIO:
return sja1105_setup_tc_taprio(ds, port, type_data);
+ case TC_SETUP_QDISC_CBS:
+ return sja1105_setup_tc_cbs(ds, port, type_data);
default:
return -EOPNOTSUPP;
}
@@ -2359,6 +3386,11 @@ static const struct dsa_switch_ops sja1105_switch_ops = {
.port_policer_del = sja1105_port_policer_del,
.cls_flower_add = sja1105_cls_flower_add,
.cls_flower_del = sja1105_cls_flower_del,
+ .cls_flower_stats = sja1105_cls_flower_stats,
+ .crosschip_bridge_join = sja1105_crosschip_bridge_join,
+ .crosschip_bridge_leave = sja1105_crosschip_bridge_leave,
+ .devlink_param_get = sja1105_devlink_param_get,
+ .devlink_param_set = sja1105_devlink_param_set,
};
static int sja1105_check_device_id(struct sja1105_private *priv)
@@ -2461,6 +3493,10 @@ static int sja1105_probe(struct spi_device *spi)
mutex_init(&priv->ptp_data.lock);
mutex_init(&priv->mgmt_lock);
+ INIT_LIST_HEAD(&priv->crosschip_links);
+ INIT_LIST_HEAD(&priv->bridge_vlans);
+ INIT_LIST_HEAD(&priv->dsa_8021q_vlans);
+
sja1105_tas_setup(ds);
sja1105_flower_setup(ds);
@@ -2468,11 +3504,20 @@ static int sja1105_probe(struct spi_device *spi)
if (rc)
return rc;
+ if (IS_ENABLED(CONFIG_NET_SCH_CBS)) {
+ priv->cbs = devm_kcalloc(dev, priv->info->num_cbs_shapers,
+ sizeof(struct sja1105_cbs_entry),
+ GFP_KERNEL);
+ if (!priv->cbs)
+ return -ENOMEM;
+ }
+
/* Connections between dsa_port and sja1105_port */
for (port = 0; port < SJA1105_NUM_PORTS; port++) {
struct sja1105_port *sp = &priv->ports[port];
struct dsa_port *dp = dsa_to_port(ds, port);
struct net_device *slave;
+ int subvlan;
if (!dsa_is_user_port(ds, port))
continue;
@@ -2492,6 +3537,10 @@ static int sja1105_probe(struct spi_device *spi)
goto out;
}
skb_queue_head_init(&sp->xmit_queue);
+ sp->xmit_tpid = ETH_P_SJA1105;
+
+ for (subvlan = 0; subvlan < DSA_8021Q_N_SUBVLAN; subvlan++)
+ sp->subvlan_map[subvlan] = VLAN_N_VID;
}
return 0;
diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.c b/drivers/net/dsa/sja1105/sja1105_ptp.c
index a22f8e3fc06b..bc0e47c1dbb9 100644
--- a/drivers/net/dsa/sja1105/sja1105_ptp.c
+++ b/drivers/net/dsa/sja1105/sja1105_ptp.c
@@ -16,14 +16,15 @@
/* PTPSYNCTS has no interrupt or update mechanism, because the intended
* hardware use case is for the timestamp to be collected synchronously,
- * immediately after the CAS_MASTER SJA1105 switch has triggered a CASSYNC
- * pulse on the PTP_CLK pin. When used as a generic extts source, it needs
- * polling and a comparison with the old value. The polling interval is just
- * the Nyquist rate of a canonical PPS input (e.g. from a GPS module).
- * Anything of higher frequency than 1 Hz will be lost, since there is no
- * timestamp FIFO.
+ * immediately after the CAS_MASTER SJA1105 switch has performed a CASSYNC
+ * one-shot toggle (no return to level) on the PTP_CLK pin. When used as a
+ * generic extts source, the PTPSYNCTS register needs polling and a comparison
+ * with the old value. The polling interval is configured as the Nyquist rate
+ * of a signal with 50% duty cycle and 1Hz frequency, which is sadly all that
+ * this hardware can do (but may be enough for some setups). Anything of higher
+ * frequency than 1 Hz will be lost, since there is no timestamp FIFO.
*/
-#define SJA1105_EXTTS_INTERVAL (HZ / 2)
+#define SJA1105_EXTTS_INTERVAL (HZ / 4)
/* This range is actually +/- SJA1105_MAX_ADJ_PPB
* divided by 1000 (ppb -> ppm) and with a 16-bit
@@ -754,7 +755,16 @@ static int sja1105_extts_enable(struct sja1105_private *priv,
return -EOPNOTSUPP;
/* Reject requests with unsupported flags */
- if (extts->flags)
+ if (extts->flags & ~(PTP_ENABLE_FEATURE |
+ PTP_RISING_EDGE |
+ PTP_FALLING_EDGE |
+ PTP_STRICT_FLAGS))
+ return -EOPNOTSUPP;
+
+ /* We can only enable time stamping on both edges, sadly. */
+ if ((extts->flags & PTP_STRICT_FLAGS) &&
+ (extts->flags & PTP_ENABLE_FEATURE) &&
+ (extts->flags & PTP_EXTTS_EDGES) != PTP_EXTTS_EDGES)
return -EOPNOTSUPP;
rc = sja1105_change_ptp_clk_pin_func(priv, PTP_PF_EXTTS);
diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h
index 43480b24f1f0..6408d1158f2d 100644
--- a/drivers/net/dsa/sja1105/sja1105_ptp.h
+++ b/drivers/net/dsa/sja1105/sja1105_ptp.h
@@ -48,6 +48,19 @@ static inline s64 future_base_time(s64 base_time, s64 cycle_time, s64 now)
return base_time + n * cycle_time;
}
+/* This is not a preprocessor macro because the "ns" argument may or may not be
+ * s64 at caller side. This ensures it is properly type-cast before div_s64.
+ */
+static inline s64 ns_to_sja1105_delta(s64 ns)
+{
+ return div_s64(ns, 200);
+}
+
+static inline s64 sja1105_delta_to_ns(s64 delta)
+{
+ return delta * 200;
+}
+
struct sja1105_ptp_cmd {
u64 startptpcp; /* start toggling PTP_CLK pin */
u64 stopptpcp; /* stop toggling PTP_CLK pin */
diff --git a/drivers/net/dsa/sja1105/sja1105_spi.c b/drivers/net/dsa/sja1105/sja1105_spi.c
index 04bdb72ae6b6..bb52b9c841b2 100644
--- a/drivers/net/dsa/sja1105/sja1105_spi.c
+++ b/drivers/net/dsa/sja1105/sja1105_spi.c
@@ -439,10 +439,12 @@ static struct sja1105_regs sja1105et_regs = {
.prod_id = 0x100BC3,
.status = 0x1,
.port_control = 0x11,
+ .vl_status = 0x10000,
.config = 0x020000,
.rgu = 0x100440,
/* UM10944.pdf, Table 86, ACU Register overview */
.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
+ .pad_mii_rx = {0x100801, 0x100803, 0x100805, 0x100807, 0x100809},
.rmii_pll1 = 0x10000A,
.cgu_idiv = {0x10000B, 0x10000C, 0x10000D, 0x10000E, 0x10000F},
.mac = {0x200, 0x202, 0x204, 0x206, 0x208},
@@ -471,10 +473,12 @@ static struct sja1105_regs sja1105pqrs_regs = {
.prod_id = 0x100BC3,
.status = 0x1,
.port_control = 0x12,
+ .vl_status = 0x10000,
.config = 0x020000,
.rgu = 0x100440,
/* UM10944.pdf, Table 86, ACU Register overview */
.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
+ .pad_mii_rx = {0x100801, 0x100803, 0x100805, 0x100807, 0x100809},
.pad_mii_id = {0x100810, 0x100811, 0x100812, 0x100813, 0x100814},
.sgmii = 0x1F0000,
.rmii_pll1 = 0x10000A,
@@ -508,8 +512,10 @@ struct sja1105_info sja1105e_info = {
.part_no = SJA1105ET_PART_NO,
.static_ops = sja1105e_table_ops,
.dyn_ops = sja1105et_dyn_ops,
+ .qinq_tpid = ETH_P_8021Q,
.ptp_ts_bits = 24,
.ptpegr_ts_bytes = 4,
+ .num_cbs_shapers = SJA1105ET_MAX_CBS_COUNT,
.reset_cmd = sja1105et_reset_cmd,
.fdb_add_cmd = sja1105et_fdb_add,
.fdb_del_cmd = sja1105et_fdb_del,
@@ -522,8 +528,10 @@ struct sja1105_info sja1105t_info = {
.part_no = SJA1105ET_PART_NO,
.static_ops = sja1105t_table_ops,
.dyn_ops = sja1105et_dyn_ops,
+ .qinq_tpid = ETH_P_8021Q,
.ptp_ts_bits = 24,
.ptpegr_ts_bytes = 4,
+ .num_cbs_shapers = SJA1105ET_MAX_CBS_COUNT,
.reset_cmd = sja1105et_reset_cmd,
.fdb_add_cmd = sja1105et_fdb_add,
.fdb_del_cmd = sja1105et_fdb_del,
@@ -536,8 +544,10 @@ struct sja1105_info sja1105p_info = {
.part_no = SJA1105P_PART_NO,
.static_ops = sja1105p_table_ops,
.dyn_ops = sja1105pqrs_dyn_ops,
+ .qinq_tpid = ETH_P_8021AD,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
.fdb_add_cmd = sja1105pqrs_fdb_add,
@@ -551,8 +561,10 @@ struct sja1105_info sja1105q_info = {
.part_no = SJA1105Q_PART_NO,
.static_ops = sja1105q_table_ops,
.dyn_ops = sja1105pqrs_dyn_ops,
+ .qinq_tpid = ETH_P_8021AD,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
.fdb_add_cmd = sja1105pqrs_fdb_add,
@@ -566,8 +578,10 @@ struct sja1105_info sja1105r_info = {
.part_no = SJA1105R_PART_NO,
.static_ops = sja1105r_table_ops,
.dyn_ops = sja1105pqrs_dyn_ops,
+ .qinq_tpid = ETH_P_8021AD,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
.fdb_add_cmd = sja1105pqrs_fdb_add,
@@ -582,8 +596,10 @@ struct sja1105_info sja1105s_info = {
.static_ops = sja1105s_table_ops,
.dyn_ops = sja1105pqrs_dyn_ops,
.regs = &sja1105pqrs_regs,
+ .qinq_tpid = ETH_P_8021AD,
.ptp_ts_bits = 32,
.ptpegr_ts_bytes = 8,
+ .num_cbs_shapers = SJA1105PQRS_MAX_CBS_COUNT,
.setup_rgmii_delay = sja1105pqrs_setup_rgmii_delay,
.reset_cmd = sja1105pqrs_reset_cmd,
.fdb_add_cmd = sja1105pqrs_fdb_add,
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c
index bbfe034910a0..ff3fe471efc2 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.c
@@ -146,9 +146,8 @@ static size_t sja1105et_general_params_entry_packing(void *buf, void *entry_ptr,
/* TPID and TPID2 are intentionally reversed so that semantic
* compatibility with E/T is kept.
*/
-static size_t
-sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op)
+size_t sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
{
const size_t size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY;
struct sja1105_general_params_entry *entry = entry_ptr;
@@ -228,9 +227,8 @@ sja1105et_l2_lookup_params_entry_packing(void *buf, void *entry_ptr,
return size;
}
-static size_t
-sja1105pqrs_l2_lookup_params_entry_packing(void *buf, void *entry_ptr,
- enum packing_op op)
+size_t sja1105pqrs_l2_lookup_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
{
const size_t size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY;
struct sja1105_l2_lookup_params_entry *entry = entry_ptr;
@@ -432,6 +430,84 @@ static size_t sja1105_schedule_entry_packing(void *buf, void *entry_ptr,
return size;
}
+static size_t
+sja1105_vl_forwarding_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_vl_forwarding_params_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_VL_FORWARDING_PARAMS_ENTRY;
+ int offset, i;
+
+ for (i = 0, offset = 16; i < 8; i++, offset += 10)
+ sja1105_packing(buf, &entry->partspc[i],
+ offset + 9, offset + 0, size, op);
+ sja1105_packing(buf, &entry->debugen, 15, 15, size, op);
+ return size;
+}
+
+static size_t sja1105_vl_forwarding_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_vl_forwarding_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_VL_FORWARDING_ENTRY;
+
+ sja1105_packing(buf, &entry->type, 31, 31, size, op);
+ sja1105_packing(buf, &entry->priority, 30, 28, size, op);
+ sja1105_packing(buf, &entry->partition, 27, 25, size, op);
+ sja1105_packing(buf, &entry->destports, 24, 20, size, op);
+ return size;
+}
+
+size_t sja1105_vl_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_vl_lookup_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_VL_LOOKUP_ENTRY;
+
+ if (entry->format == SJA1105_VL_FORMAT_PSFP) {
+ /* Interpreting vllupformat as 0 */
+ sja1105_packing(buf, &entry->destports,
+ 95, 91, size, op);
+ sja1105_packing(buf, &entry->iscritical,
+ 90, 90, size, op);
+ sja1105_packing(buf, &entry->macaddr,
+ 89, 42, size, op);
+ sja1105_packing(buf, &entry->vlanid,
+ 41, 30, size, op);
+ sja1105_packing(buf, &entry->port,
+ 29, 27, size, op);
+ sja1105_packing(buf, &entry->vlanprior,
+ 26, 24, size, op);
+ } else {
+ /* Interpreting vllupformat as 1 */
+ sja1105_packing(buf, &entry->egrmirr,
+ 95, 91, size, op);
+ sja1105_packing(buf, &entry->ingrmirr,
+ 90, 90, size, op);
+ sja1105_packing(buf, &entry->vlid,
+ 57, 42, size, op);
+ sja1105_packing(buf, &entry->port,
+ 29, 27, size, op);
+ }
+ return size;
+}
+
+static size_t sja1105_vl_policing_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_vl_policing_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_VL_POLICING_ENTRY;
+
+ sja1105_packing(buf, &entry->type, 63, 63, size, op);
+ sja1105_packing(buf, &entry->maxlen, 62, 52, size, op);
+ sja1105_packing(buf, &entry->sharindx, 51, 42, size, op);
+ if (entry->type == 0) {
+ sja1105_packing(buf, &entry->bag, 41, 28, size, op);
+ sja1105_packing(buf, &entry->jitter, 27, 18, size, op);
+ }
+ return size;
+}
+
size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
enum packing_op op)
{
@@ -463,6 +539,22 @@ static size_t sja1105_xmii_params_entry_packing(void *buf, void *entry_ptr,
return size;
}
+size_t sja1105_retagging_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op)
+{
+ struct sja1105_retagging_entry *entry = entry_ptr;
+ const size_t size = SJA1105_SIZE_RETAGGING_ENTRY;
+
+ sja1105_packing(buf, &entry->egr_port, 63, 59, size, op);
+ sja1105_packing(buf, &entry->ing_port, 58, 54, size, op);
+ sja1105_packing(buf, &entry->vlan_ing, 53, 42, size, op);
+ sja1105_packing(buf, &entry->vlan_egr, 41, 30, size, op);
+ sja1105_packing(buf, &entry->do_not_learn, 29, 29, size, op);
+ sja1105_packing(buf, &entry->use_dest_ports, 28, 28, size, op);
+ sja1105_packing(buf, &entry->destports, 27, 23, size, op);
+ return size;
+}
+
size_t sja1105_table_header_packing(void *buf, void *entry_ptr,
enum packing_op op)
{
@@ -510,6 +602,9 @@ static void sja1105_table_write_crc(u8 *table_start, u8 *crc_ptr)
static u64 blk_id_map[BLK_IDX_MAX] = {
[BLK_IDX_SCHEDULE] = BLKID_SCHEDULE,
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = BLKID_SCHEDULE_ENTRY_POINTS,
+ [BLK_IDX_VL_LOOKUP] = BLKID_VL_LOOKUP,
+ [BLK_IDX_VL_POLICING] = BLKID_VL_POLICING,
+ [BLK_IDX_VL_FORWARDING] = BLKID_VL_FORWARDING,
[BLK_IDX_L2_LOOKUP] = BLKID_L2_LOOKUP,
[BLK_IDX_L2_POLICING] = BLKID_L2_POLICING,
[BLK_IDX_VLAN_LOOKUP] = BLKID_VLAN_LOOKUP,
@@ -517,10 +612,12 @@ static u64 blk_id_map[BLK_IDX_MAX] = {
[BLK_IDX_MAC_CONFIG] = BLKID_MAC_CONFIG,
[BLK_IDX_SCHEDULE_PARAMS] = BLKID_SCHEDULE_PARAMS,
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = BLKID_SCHEDULE_ENTRY_POINTS_PARAMS,
+ [BLK_IDX_VL_FORWARDING_PARAMS] = BLKID_VL_FORWARDING_PARAMS,
[BLK_IDX_L2_LOOKUP_PARAMS] = BLKID_L2_LOOKUP_PARAMS,
[BLK_IDX_L2_FORWARDING_PARAMS] = BLKID_L2_FORWARDING_PARAMS,
[BLK_IDX_AVB_PARAMS] = BLKID_AVB_PARAMS,
[BLK_IDX_GENERAL_PARAMS] = BLKID_GENERAL_PARAMS,
+ [BLK_IDX_RETAGGING] = BLKID_RETAGGING,
[BLK_IDX_XMII_PARAMS] = BLKID_XMII_PARAMS,
};
@@ -533,6 +630,9 @@ const char *sja1105_static_config_error_msg[] = {
"schedule-table present, but one of "
"schedule-entry-points-table, schedule-parameters-table or "
"schedule-entry-points-parameters table is empty",
+ [SJA1105_INCORRECT_VIRTUAL_LINK_CONFIGURATION] =
+ "vl-lookup-table present, but one of vl-policing-table, "
+ "vl-forwarding-table or vl-forwarding-parameters-table is empty",
[SJA1105_MISSING_L2_POLICING_TABLE] =
"l2-policing-table needs to have at least one entry",
[SJA1105_MISSING_L2_FORWARDING_TABLE] =
@@ -560,14 +660,26 @@ static sja1105_config_valid_t
static_config_check_memory_size(const struct sja1105_table *tables)
{
const struct sja1105_l2_forwarding_params_entry *l2_fwd_params;
- int i, mem = 0;
+ const struct sja1105_vl_forwarding_params_entry *vl_fwd_params;
+ int i, max_mem, mem = 0;
l2_fwd_params = tables[BLK_IDX_L2_FORWARDING_PARAMS].entries;
for (i = 0; i < 8; i++)
mem += l2_fwd_params->part_spc[i];
- if (mem > SJA1105_MAX_FRAME_MEMORY)
+ if (tables[BLK_IDX_VL_FORWARDING_PARAMS].entry_count) {
+ vl_fwd_params = tables[BLK_IDX_VL_FORWARDING_PARAMS].entries;
+ for (i = 0; i < 8; i++)
+ mem += vl_fwd_params->partspc[i];
+ }
+
+ if (tables[BLK_IDX_RETAGGING].entry_count)
+ max_mem = SJA1105_MAX_FRAME_MEMORY_RETAGGING;
+ else
+ max_mem = SJA1105_MAX_FRAME_MEMORY;
+
+ if (mem > max_mem)
return SJA1105_OVERCOMMITTED_FRAME_MEMORY;
return SJA1105_CONFIG_OK;
@@ -594,6 +706,32 @@ sja1105_static_config_check_valid(const struct sja1105_static_config *config)
if (!IS_FULL(BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS))
return SJA1105_INCORRECT_TTETHERNET_CONFIGURATION;
}
+ if (tables[BLK_IDX_VL_LOOKUP].entry_count) {
+ struct sja1105_vl_lookup_entry *vl_lookup;
+ bool has_critical_links = false;
+ int i;
+
+ vl_lookup = tables[BLK_IDX_VL_LOOKUP].entries;
+
+ for (i = 0; i < tables[BLK_IDX_VL_LOOKUP].entry_count; i++) {
+ if (vl_lookup[i].iscritical) {
+ has_critical_links = true;
+ break;
+ }
+ }
+
+ if (tables[BLK_IDX_VL_POLICING].entry_count == 0 &&
+ has_critical_links)
+ return SJA1105_INCORRECT_VIRTUAL_LINK_CONFIGURATION;
+
+ if (tables[BLK_IDX_VL_FORWARDING].entry_count == 0 &&
+ has_critical_links)
+ return SJA1105_INCORRECT_VIRTUAL_LINK_CONFIGURATION;
+
+ if (tables[BLK_IDX_VL_FORWARDING_PARAMS].entry_count == 0 &&
+ has_critical_links)
+ return SJA1105_INCORRECT_VIRTUAL_LINK_CONFIGURATION;
+ }
if (tables[BLK_IDX_L2_POLICING].entry_count == 0)
return SJA1105_MISSING_L2_POLICING_TABLE;
@@ -703,6 +841,9 @@ sja1105_static_config_get_length(const struct sja1105_static_config *config)
struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX] = {
[BLK_IDX_SCHEDULE] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = {0},
+ [BLK_IDX_VL_LOOKUP] = {0},
+ [BLK_IDX_VL_POLICING] = {0},
+ [BLK_IDX_VL_FORWARDING] = {0},
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105et_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -735,6 +876,7 @@ struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX] = {
},
[BLK_IDX_SCHEDULE_PARAMS] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = {0},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {0},
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105et_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -759,6 +901,12 @@ struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -781,6 +929,24 @@ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_COUNT,
},
+ [BLK_IDX_VL_LOOKUP] = {
+ .packing = sja1105_vl_lookup_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_lookup_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_LOOKUP_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_LOOKUP_COUNT,
+ },
+ [BLK_IDX_VL_POLICING] = {
+ .packing = sja1105_vl_policing_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_policing_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_POLICING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_POLICING_COUNT,
+ },
+ [BLK_IDX_VL_FORWARDING] = {
+ .packing = sja1105_vl_forwarding_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_COUNT,
+ },
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105et_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -823,6 +989,12 @@ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_PARAMS_COUNT,
},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {
+ .packing = sja1105_vl_forwarding_params_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_params_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_PARAMS_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_PARAMS_COUNT,
+ },
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105et_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -847,6 +1019,12 @@ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -859,6 +1037,9 @@ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = {
struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX] = {
[BLK_IDX_SCHEDULE] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = {0},
+ [BLK_IDX_VL_LOOKUP] = {0},
+ [BLK_IDX_VL_POLICING] = {0},
+ [BLK_IDX_VL_FORWARDING] = {0},
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105pqrs_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -891,6 +1072,7 @@ struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX] = {
},
[BLK_IDX_SCHEDULE_PARAMS] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = {0},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {0},
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105pqrs_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -915,6 +1097,12 @@ struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -937,6 +1125,24 @@ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_COUNT,
},
+ [BLK_IDX_VL_LOOKUP] = {
+ .packing = sja1105_vl_lookup_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_lookup_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_LOOKUP_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_LOOKUP_COUNT,
+ },
+ [BLK_IDX_VL_POLICING] = {
+ .packing = sja1105_vl_policing_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_policing_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_POLICING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_POLICING_COUNT,
+ },
+ [BLK_IDX_VL_FORWARDING] = {
+ .packing = sja1105_vl_forwarding_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_COUNT,
+ },
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105pqrs_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -979,6 +1185,12 @@ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_PARAMS_COUNT,
},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {
+ .packing = sja1105_vl_forwarding_params_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_params_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_PARAMS_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_PARAMS_COUNT,
+ },
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105pqrs_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -1003,6 +1215,12 @@ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1015,6 +1233,9 @@ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = {
struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX] = {
[BLK_IDX_SCHEDULE] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS] = {0},
+ [BLK_IDX_VL_LOOKUP] = {0},
+ [BLK_IDX_VL_POLICING] = {0},
+ [BLK_IDX_VL_FORWARDING] = {0},
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105pqrs_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -1047,6 +1268,7 @@ struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX] = {
},
[BLK_IDX_SCHEDULE_PARAMS] = {0},
[BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS] = {0},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {0},
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105pqrs_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -1071,6 +1293,12 @@ struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
@@ -1093,6 +1321,24 @@ struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_COUNT,
},
+ [BLK_IDX_VL_LOOKUP] = {
+ .packing = sja1105_vl_lookup_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_lookup_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_LOOKUP_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_LOOKUP_COUNT,
+ },
+ [BLK_IDX_VL_POLICING] = {
+ .packing = sja1105_vl_policing_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_policing_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_POLICING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_POLICING_COUNT,
+ },
+ [BLK_IDX_VL_FORWARDING] = {
+ .packing = sja1105_vl_forwarding_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_COUNT,
+ },
[BLK_IDX_L2_LOOKUP] = {
.packing = sja1105pqrs_l2_lookup_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry),
@@ -1135,6 +1381,12 @@ struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_SCHEDULE_ENTRY_POINTS_PARAMS_COUNT,
},
+ [BLK_IDX_VL_FORWARDING_PARAMS] = {
+ .packing = sja1105_vl_forwarding_params_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_vl_forwarding_params_entry),
+ .packed_entry_size = SJA1105_SIZE_VL_FORWARDING_PARAMS_ENTRY,
+ .max_entry_count = SJA1105_MAX_VL_FORWARDING_PARAMS_COUNT,
+ },
[BLK_IDX_L2_LOOKUP_PARAMS] = {
.packing = sja1105pqrs_l2_lookup_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry),
@@ -1159,6 +1411,12 @@ struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX] = {
.packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY,
.max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT,
},
+ [BLK_IDX_RETAGGING] = {
+ .packing = sja1105_retagging_entry_packing,
+ .unpacked_entry_size = sizeof(struct sja1105_retagging_entry),
+ .packed_entry_size = SJA1105_SIZE_RETAGGING_ENTRY,
+ .max_entry_count = SJA1105_MAX_RETAGGING_COUNT,
+ },
[BLK_IDX_XMII_PARAMS] = {
.packing = sja1105_xmii_params_entry_packing,
.unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry),
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.h b/drivers/net/dsa/sja1105/sja1105_static_config.h
index 8afafb6aef12..ee0f10062763 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.h
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.h
@@ -13,28 +13,38 @@
#define SJA1105_SIZE_TABLE_HEADER 12
#define SJA1105_SIZE_SCHEDULE_ENTRY 8
#define SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_ENTRY 4
+#define SJA1105_SIZE_VL_LOOKUP_ENTRY 12
+#define SJA1105_SIZE_VL_POLICING_ENTRY 8
+#define SJA1105_SIZE_VL_FORWARDING_ENTRY 4
#define SJA1105_SIZE_L2_POLICING_ENTRY 8
#define SJA1105_SIZE_VLAN_LOOKUP_ENTRY 8
#define SJA1105_SIZE_L2_FORWARDING_ENTRY 8
#define SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY 12
+#define SJA1105_SIZE_RETAGGING_ENTRY 8
#define SJA1105_SIZE_XMII_PARAMS_ENTRY 4
#define SJA1105_SIZE_SCHEDULE_PARAMS_ENTRY 12
#define SJA1105_SIZE_SCHEDULE_ENTRY_POINTS_PARAMS_ENTRY 4
+#define SJA1105_SIZE_VL_FORWARDING_PARAMS_ENTRY 12
#define SJA1105ET_SIZE_L2_LOOKUP_ENTRY 12
#define SJA1105ET_SIZE_MAC_CONFIG_ENTRY 28
#define SJA1105ET_SIZE_L2_LOOKUP_PARAMS_ENTRY 4
#define SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY 40
#define SJA1105ET_SIZE_AVB_PARAMS_ENTRY 12
+#define SJA1105ET_SIZE_CBS_ENTRY 16
#define SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY 20
#define SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY 32
#define SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY 16
#define SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY 44
#define SJA1105PQRS_SIZE_AVB_PARAMS_ENTRY 16
+#define SJA1105PQRS_SIZE_CBS_ENTRY 20
/* UM10944.pdf Page 11, Table 2. Configuration Blocks */
enum {
BLKID_SCHEDULE = 0x00,
BLKID_SCHEDULE_ENTRY_POINTS = 0x01,
+ BLKID_VL_LOOKUP = 0x02,
+ BLKID_VL_POLICING = 0x03,
+ BLKID_VL_FORWARDING = 0x04,
BLKID_L2_LOOKUP = 0x05,
BLKID_L2_POLICING = 0x06,
BLKID_VLAN_LOOKUP = 0x07,
@@ -42,16 +52,22 @@ enum {
BLKID_MAC_CONFIG = 0x09,
BLKID_SCHEDULE_PARAMS = 0x0A,
BLKID_SCHEDULE_ENTRY_POINTS_PARAMS = 0x0B,
+ BLKID_VL_FORWARDING_PARAMS = 0x0C,
BLKID_L2_LOOKUP_PARAMS = 0x0D,
BLKID_L2_FORWARDING_PARAMS = 0x0E,
BLKID_AVB_PARAMS = 0x10,
BLKID_GENERAL_PARAMS = 0x11,
+ BLKID_RETAGGING = 0x12,
+ BLKID_CBS = 0x13,
BLKID_XMII_PARAMS = 0x4E,
};
enum sja1105_blk_idx {
BLK_IDX_SCHEDULE = 0,
BLK_IDX_SCHEDULE_ENTRY_POINTS,
+ BLK_IDX_VL_LOOKUP,
+ BLK_IDX_VL_POLICING,
+ BLK_IDX_VL_FORWARDING,
BLK_IDX_L2_LOOKUP,
BLK_IDX_L2_POLICING,
BLK_IDX_VLAN_LOOKUP,
@@ -59,10 +75,13 @@ enum sja1105_blk_idx {
BLK_IDX_MAC_CONFIG,
BLK_IDX_SCHEDULE_PARAMS,
BLK_IDX_SCHEDULE_ENTRY_POINTS_PARAMS,
+ BLK_IDX_VL_FORWARDING_PARAMS,
BLK_IDX_L2_LOOKUP_PARAMS,
BLK_IDX_L2_FORWARDING_PARAMS,
BLK_IDX_AVB_PARAMS,
BLK_IDX_GENERAL_PARAMS,
+ BLK_IDX_RETAGGING,
+ BLK_IDX_CBS,
BLK_IDX_XMII_PARAMS,
BLK_IDX_MAX,
/* Fake block indices that are only valid for dynamic access */
@@ -73,6 +92,9 @@ enum sja1105_blk_idx {
#define SJA1105_MAX_SCHEDULE_COUNT 1024
#define SJA1105_MAX_SCHEDULE_ENTRY_POINTS_COUNT 2048
+#define SJA1105_MAX_VL_LOOKUP_COUNT 1024
+#define SJA1105_MAX_VL_POLICING_COUNT 1024
+#define SJA1105_MAX_VL_FORWARDING_COUNT 1024
#define SJA1105_MAX_L2_LOOKUP_COUNT 1024
#define SJA1105_MAX_L2_POLICING_COUNT 45
#define SJA1105_MAX_VLAN_LOOKUP_COUNT 4096
@@ -80,13 +102,19 @@ enum sja1105_blk_idx {
#define SJA1105_MAX_MAC_CONFIG_COUNT 5
#define SJA1105_MAX_SCHEDULE_PARAMS_COUNT 1
#define SJA1105_MAX_SCHEDULE_ENTRY_POINTS_PARAMS_COUNT 1
+#define SJA1105_MAX_VL_FORWARDING_PARAMS_COUNT 1
#define SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT 1
#define SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT 1
#define SJA1105_MAX_GENERAL_PARAMS_COUNT 1
+#define SJA1105_MAX_RETAGGING_COUNT 32
#define SJA1105_MAX_XMII_PARAMS_COUNT 1
#define SJA1105_MAX_AVB_PARAMS_COUNT 1
+#define SJA1105ET_MAX_CBS_COUNT 10
+#define SJA1105PQRS_MAX_CBS_COUNT 16
#define SJA1105_MAX_FRAME_MEMORY 929
+#define SJA1105_MAX_FRAME_MEMORY_RETAGGING 910
+#define SJA1105_VL_FRAME_MEMORY 100
#define SJA1105E_DEVICE_ID 0x9C00000Cull
#define SJA1105T_DEVICE_ID 0x9E00030Eull
@@ -257,11 +285,78 @@ struct sja1105_mac_config_entry {
u64 ingress;
};
+struct sja1105_retagging_entry {
+ u64 egr_port;
+ u64 ing_port;
+ u64 vlan_ing;
+ u64 vlan_egr;
+ u64 do_not_learn;
+ u64 use_dest_ports;
+ u64 destports;
+};
+
+struct sja1105_cbs_entry {
+ u64 port;
+ u64 prio;
+ u64 credit_hi;
+ u64 credit_lo;
+ u64 send_slope;
+ u64 idle_slope;
+};
+
struct sja1105_xmii_params_entry {
u64 phy_mac[5];
u64 xmii_mode[5];
};
+enum {
+ SJA1105_VL_FORMAT_PSFP = 0,
+ SJA1105_VL_FORMAT_ARINC664 = 1,
+};
+
+struct sja1105_vl_lookup_entry {
+ u64 format;
+ u64 port;
+ union {
+ /* SJA1105_VL_FORMAT_PSFP */
+ struct {
+ u64 destports;
+ u64 iscritical;
+ u64 macaddr;
+ u64 vlanid;
+ u64 vlanprior;
+ };
+ /* SJA1105_VL_FORMAT_ARINC664 */
+ struct {
+ u64 egrmirr;
+ u64 ingrmirr;
+ u64 vlid;
+ };
+ };
+ /* Not part of hardware structure */
+ unsigned long flow_cookie;
+};
+
+struct sja1105_vl_policing_entry {
+ u64 type;
+ u64 maxlen;
+ u64 sharindx;
+ u64 bag;
+ u64 jitter;
+};
+
+struct sja1105_vl_forwarding_entry {
+ u64 type;
+ u64 priority;
+ u64 partition;
+ u64 destports;
+};
+
+struct sja1105_vl_forwarding_params_entry {
+ u64 partspc[8];
+ u64 debugen;
+};
+
struct sja1105_table_header {
u64 block_id;
u64 len;
@@ -303,6 +398,7 @@ typedef enum {
SJA1105_CONFIG_OK = 0,
SJA1105_TTETHERNET_NOT_SUPPORTED,
SJA1105_INCORRECT_TTETHERNET_CONFIGURATION,
+ SJA1105_INCORRECT_VIRTUAL_LINK_CONFIGURATION,
SJA1105_MISSING_L2_POLICING_TABLE,
SJA1105_MISSING_L2_FORWARDING_TABLE,
SJA1105_MISSING_L2_FORWARDING_PARAMS_TABLE,
@@ -334,4 +430,26 @@ void sja1105_unpack(const void *buf, u64 *val, int start, int end, size_t len);
void sja1105_packing(void *buf, u64 *val, int start, int end,
size_t len, enum packing_op op);
+/* Common implementations for the static and dynamic configs */
+size_t sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105pqrs_l2_lookup_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105pqrs_l2_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105_retagging_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105pqrs_avb_params_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+size_t sja1105_vl_lookup_entry_packing(void *buf, void *entry_ptr,
+ enum packing_op op);
+
#endif
diff --git a/drivers/net/dsa/sja1105/sja1105_tas.c b/drivers/net/dsa/sja1105/sja1105_tas.c
index 77e547b4cd89..3aa1a8b5f766 100644
--- a/drivers/net/dsa/sja1105/sja1105_tas.c
+++ b/drivers/net/dsa/sja1105/sja1105_tas.c
@@ -7,7 +7,6 @@
#define SJA1105_TAS_CLKSRC_STANDALONE 1
#define SJA1105_TAS_CLKSRC_AS6802 2
#define SJA1105_TAS_CLKSRC_PTP 3
-#define SJA1105_TAS_MAX_DELTA BIT(19)
#define SJA1105_GATE_MASK GENMASK_ULL(SJA1105_NUM_TC - 1, 0)
#define work_to_sja1105_tas(d) \
@@ -15,22 +14,10 @@
#define tas_to_sja1105(d) \
container_of((d), struct sja1105_private, tas_data)
-/* This is not a preprocessor macro because the "ns" argument may or may not be
- * s64 at caller side. This ensures it is properly type-cast before div_s64.
- */
-static s64 ns_to_sja1105_delta(s64 ns)
-{
- return div_s64(ns, 200);
-}
-
-static s64 sja1105_delta_to_ns(s64 delta)
-{
- return delta * 200;
-}
-
static int sja1105_tas_set_runtime_params(struct sja1105_private *priv)
{
struct sja1105_tas_data *tas_data = &priv->tas_data;
+ struct sja1105_gating_config *gating_cfg = &tas_data->gating_cfg;
struct dsa_switch *ds = priv->ds;
s64 earliest_base_time = S64_MAX;
s64 latest_base_time = 0;
@@ -59,6 +46,19 @@ static int sja1105_tas_set_runtime_params(struct sja1105_private *priv)
}
}
+ if (!list_empty(&gating_cfg->entries)) {
+ tas_data->enabled = true;
+
+ if (max_cycle_time < gating_cfg->cycle_time)
+ max_cycle_time = gating_cfg->cycle_time;
+ if (latest_base_time < gating_cfg->base_time)
+ latest_base_time = gating_cfg->base_time;
+ if (earliest_base_time > gating_cfg->base_time) {
+ earliest_base_time = gating_cfg->base_time;
+ its_cycle_time = gating_cfg->cycle_time;
+ }
+ }
+
if (!tas_data->enabled)
return 0;
@@ -155,13 +155,14 @@ static int sja1105_tas_set_runtime_params(struct sja1105_private *priv)
* their "subschedule end index" (subscheind) equal to the last valid
* subschedule's end index (in this case 5).
*/
-static int sja1105_init_scheduling(struct sja1105_private *priv)
+int sja1105_init_scheduling(struct sja1105_private *priv)
{
struct sja1105_schedule_entry_points_entry *schedule_entry_points;
struct sja1105_schedule_entry_points_params_entry
*schedule_entry_points_params;
struct sja1105_schedule_params_entry *schedule_params;
struct sja1105_tas_data *tas_data = &priv->tas_data;
+ struct sja1105_gating_config *gating_cfg = &tas_data->gating_cfg;
struct sja1105_schedule_entry *schedule;
struct sja1105_table *table;
int schedule_start_idx;
@@ -213,6 +214,11 @@ static int sja1105_init_scheduling(struct sja1105_private *priv)
}
}
+ if (!list_empty(&gating_cfg->entries)) {
+ num_entries += gating_cfg->num_entries;
+ num_cycles++;
+ }
+
/* Nothing to do */
if (!num_cycles)
return 0;
@@ -312,6 +318,42 @@ static int sja1105_init_scheduling(struct sja1105_private *priv)
cycle++;
}
+ if (!list_empty(&gating_cfg->entries)) {
+ struct sja1105_gate_entry *e;
+
+ /* Relative base time */
+ s64 rbt;
+
+ schedule_start_idx = k;
+ schedule_end_idx = k + gating_cfg->num_entries - 1;
+ rbt = future_base_time(gating_cfg->base_time,
+ gating_cfg->cycle_time,
+ tas_data->earliest_base_time);
+ rbt -= tas_data->earliest_base_time;
+ entry_point_delta = ns_to_sja1105_delta(rbt) + 1;
+
+ schedule_entry_points[cycle].subschindx = cycle;
+ schedule_entry_points[cycle].delta = entry_point_delta;
+ schedule_entry_points[cycle].address = schedule_start_idx;
+
+ for (i = cycle; i < 8; i++)
+ schedule_params->subscheind[i] = schedule_end_idx;
+
+ list_for_each_entry(e, &gating_cfg->entries, list) {
+ schedule[k].delta = ns_to_sja1105_delta(e->interval);
+ schedule[k].destports = e->rule->vl.destports;
+ schedule[k].setvalid = true;
+ schedule[k].txen = true;
+ schedule[k].vlindex = e->rule->vl.sharindx;
+ schedule[k].winstindex = e->rule->vl.sharindx;
+ if (e->gate_state) /* Gate open */
+ schedule[k].winst = true;
+ else /* Gate closed */
+ schedule[k].winend = true;
+ k++;
+ }
+ }
+
return 0;
}
@@ -415,6 +457,54 @@ sja1105_tas_check_conflicts(struct sja1105_private *priv, int port,
return false;
}
+/* Check the tc-taprio configuration on @port for conflicts with the tc-gate
+ * global subschedule. If @port is -1, check it against all ports.
+ * To reuse the sja1105_tas_check_conflicts logic without refactoring it,
+ * convert the gating configuration to a dummy tc-taprio offload structure.
+ */
+bool sja1105_gating_check_conflicts(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack)
+{
+ struct sja1105_gating_config *gating_cfg = &priv->tas_data.gating_cfg;
+ size_t num_entries = gating_cfg->num_entries;
+ struct tc_taprio_qopt_offload *dummy;
+ struct sja1105_gate_entry *e;
+ bool conflict;
+ int i = 0;
+
+ if (list_empty(&gating_cfg->entries))
+ return false;
+
+ dummy = kzalloc(sizeof(struct tc_taprio_sched_entry) * num_entries +
+ sizeof(struct tc_taprio_qopt_offload), GFP_KERNEL);
+ if (!dummy) {
+ NL_SET_ERR_MSG_MOD(extack, "Failed to allocate memory");
+ return true;
+ }
+
+ dummy->num_entries = num_entries;
+ dummy->base_time = gating_cfg->base_time;
+ dummy->cycle_time = gating_cfg->cycle_time;
+
+ list_for_each_entry(e, &gating_cfg->entries, list)
+ dummy->entries[i++].interval = e->interval;
+
+ if (port != -1) {
+ conflict = sja1105_tas_check_conflicts(priv, port, dummy);
+ } else {
+ for (port = 0; port < SJA1105_NUM_PORTS; port++) {
+ conflict = sja1105_tas_check_conflicts(priv, port,
+ dummy);
+ if (conflict)
+ break;
+ }
+ }
+
+ kfree(dummy);
+
+ return conflict;
+}
+
int sja1105_setup_tc_taprio(struct dsa_switch *ds, int port,
struct tc_taprio_qopt_offload *admin)
{
@@ -473,6 +563,11 @@ int sja1105_setup_tc_taprio(struct dsa_switch *ds, int port,
return -ERANGE;
}
+ if (sja1105_gating_check_conflicts(priv, port, NULL)) {
+ dev_err(ds->dev, "Conflict with tc-gate schedule\n");
+ return -ERANGE;
+ }
+
tas_data->offload[port] = taprio_offload_get(admin);
rc = sja1105_init_scheduling(priv);
@@ -779,6 +874,8 @@ void sja1105_tas_setup(struct dsa_switch *ds)
INIT_WORK(&tas_data->tas_work, sja1105_tas_state_machine);
tas_data->state = SJA1105_TAS_STATE_DISABLED;
tas_data->last_op = SJA1105_PTP_NONE;
+
+ INIT_LIST_HEAD(&tas_data->gating_cfg.entries);
}
void sja1105_tas_teardown(struct dsa_switch *ds)
diff --git a/drivers/net/dsa/sja1105/sja1105_tas.h b/drivers/net/dsa/sja1105/sja1105_tas.h
index b226c3dfd5b1..0c173ff51751 100644
--- a/drivers/net/dsa/sja1105/sja1105_tas.h
+++ b/drivers/net/dsa/sja1105/sja1105_tas.h
@@ -6,6 +6,10 @@
#include <net/pkt_sched.h>
+#define SJA1105_TAS_MAX_DELTA BIT(18)
+
+struct sja1105_private;
+
#if IS_ENABLED(CONFIG_NET_DSA_SJA1105_TAS)
enum sja1105_tas_state {
@@ -20,8 +24,23 @@ enum sja1105_ptp_op {
SJA1105_PTP_ADJUSTFREQ,
};
+struct sja1105_gate_entry {
+ struct list_head list;
+ struct sja1105_rule *rule;
+ s64 interval;
+ u8 gate_state;
+};
+
+struct sja1105_gating_config {
+ u64 cycle_time;
+ s64 base_time;
+ int num_entries;
+ struct list_head entries;
+};
+
struct sja1105_tas_data {
struct tc_taprio_qopt_offload *offload[SJA1105_NUM_PORTS];
+ struct sja1105_gating_config gating_cfg;
enum sja1105_tas_state state;
enum sja1105_ptp_op last_op;
struct work_struct tas_work;
@@ -42,6 +61,11 @@ void sja1105_tas_clockstep(struct dsa_switch *ds);
void sja1105_tas_adjfreq(struct dsa_switch *ds);
+bool sja1105_gating_check_conflicts(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack);
+
+int sja1105_init_scheduling(struct sja1105_private *priv);
+
#else
/* C doesn't allow empty structures, bah! */
@@ -63,6 +87,18 @@ static inline void sja1105_tas_clockstep(struct dsa_switch *ds) { }
static inline void sja1105_tas_adjfreq(struct dsa_switch *ds) { }
+static inline bool
+sja1105_gating_check_conflicts(struct dsa_switch *ds, int port,
+ struct netlink_ext_ack *extack)
+{
+ return true;
+}
+
+static inline int sja1105_init_scheduling(struct sja1105_private *priv)
+{
+ return 0;
+}
+
#endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_TAS) */
#endif /* _SJA1105_TAS_H */
diff --git a/drivers/net/dsa/sja1105/sja1105_vl.c b/drivers/net/dsa/sja1105/sja1105_vl.c
new file mode 100644
index 000000000000..bdfd6c4e190d
--- /dev/null
+++ b/drivers/net/dsa/sja1105/sja1105_vl.c
@@ -0,0 +1,782 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright 2020, NXP Semiconductors
+ */
+#include <net/tc_act/tc_gate.h>
+#include <linux/dsa/8021q.h>
+#include "sja1105_vl.h"
+
+#define SJA1105_SIZE_VL_STATUS 8
+
+/* The switch flow classification core implements TTEthernet, which 'thinks' in
+ * terms of Virtual Links (VL), a concept borrowed from ARINC 664 part 7.
+ * However it also has one other operating mode (VLLUPFORMAT=0) where it acts
+ * somewhat closer to a pre-standard implementation of IEEE 802.1Qci
+ * (Per-Stream Filtering and Policing), which is what the driver is going to be
+ * implementing.
+ *
+ * VL Lookup
+ * Key = {DMAC && VLANID +---------+ Key = { (DMAC[47:16] & VLMASK ==
+ * && VLAN PCP | | VLMARKER)
+ * && INGRESS PORT} +---------+ (both fixed)
+ * (exact match, | && DMAC[15:0] == VLID
+ * all specified in rule) | (specified in rule)
+ * v && INGRESS PORT }
+ * ------------
+ * 0 (PSFP) / \ 1 (ARINC664)
+ * +-----------/ VLLUPFORMAT \----------+
+ * | \ (fixed) / |
+ * | \ / |
+ * 0 (forwarding) v ------------ |
+ * ------------ |
+ * / \ 1 (QoS classification) |
+ * +---/ ISCRITICAL \-----------+ |
+ * | \ (per rule) / | |
+ * | \ / VLID taken from VLID taken from
+ * v ------------ index of rule contents of rule
+ * select that matched that matched
+ * DESTPORTS | |
+ * | +---------+--------+
+ * | |
+ * | v
+ * | VL Forwarding
+ * | (indexed by VLID)
+ * | +---------+
+ * | +--------------| |
+ * | | select TYPE +---------+
+ * | v
+ * | 0 (rate ------------ 1 (time
+ * | constrained) / \ triggered)
+ * | +------/ TYPE \------------+
+ * | | \ (per VLID) / |
+ * | v \ / v
+ * | VL Policing ------------ VL Policing
+ * | (indexed by VLID) (indexed by VLID)
+ * | +---------+ +---------+
+ * | | TYPE=0 | | TYPE=1 |
+ * | +---------+ +---------+
+ * | select SHARINDX select SHARINDX to
+ * | to rate-limit re-enter VL Forwarding
+ * | groups of VL's with new VLID for egress
+ * | to same quota |
+ * | | |
+ * | select MAXLEN -> exceed => drop select MAXLEN -> exceed => drop
+ * | | |
+ * | v v
+ * | VL Forwarding VL Forwarding
+ * | (indexed by SHARINDX) (indexed by SHARINDX)
+ * | +---------+ +---------+
+ * | | TYPE=0 | | TYPE=1 |
+ * | +---------+ +---------+
+ * | select PRIORITY, select PRIORITY,
+ * | PARTITION, DESTPORTS PARTITION, DESTPORTS
+ * | | |
+ * | v v
+ * | VL Policing VL Policing
+ * | (indexed by SHARINDX) (indexed by SHARINDX)
+ * | +---------+ +---------+
+ * | | TYPE=0 | | TYPE=1 |
+ * | +---------+ +---------+
+ * | | |
+ * | v |
+ * | select BAG, -> exceed => drop |
+ * | JITTER v
+ * | | ----------------------------------------------
+ * | | / Reception Window is open for this VL \
+ * | | / (the Schedule Table executes an entry i \
+ * | | / M <= i < N, for which these conditions hold): \ no
+ * | | +----/ \-+
+ * | | |yes \ WINST[M] == 1 && WINSTINDEX[M] == VLID / |
+ * | | | \ WINEND[N] == 1 && WINSTINDEX[N] == VLID / |
+ * | | | \ / |
+ * | | | \ (the VL window has opened and not yet closed)/ |
+ * | | | ---------------------------------------------- |
+ * | | v v
+ * | | dispatch to DESTPORTS when the Schedule Table drop
+ * | | executes an entry i with TXEN == 1 && VLINDEX == i
+ * v v
+ * dispatch immediately to DESTPORTS
+ *
+ * The per-port classification key is always composed of {DMAC, VID, PCP} and
+ * is non-maskable. This 'looks like' the NULL stream identification function
+ * from IEEE 802.1CB clause 6, except for the extra VLAN PCP. When the switch
+ * ports operate as VLAN-unaware, we do allow the user to not specify the VLAN
+ * ID and PCP, and then the port-based defaults will be used.
+ *
+ * In TTEthernet, routing is something that needs to be done manually for each
+ * Virtual Link. So the flow action must always include one of:
+ * a. 'redirect', 'trap' or 'drop': select the egress port list
+ * Additionally, the following actions may be applied on a Virtual Link,
+ * turning it into 'critical' traffic:
+ * b. 'police': turn it into a rate-constrained VL, with bandwidth limitation
+ * given by the maximum frame length, bandwidth allocation gap (BAG) and
+ * maximum jitter.
+ * c. 'gate': turn it into a time-triggered VL, which can be only be received
+ * and forwarded according to a given schedule.
+ */
+
+static bool sja1105_vl_key_lower(struct sja1105_vl_lookup_entry *a,
+ struct sja1105_vl_lookup_entry *b)
+{
+ if (a->macaddr < b->macaddr)
+ return true;
+ if (a->macaddr > b->macaddr)
+ return false;
+ if (a->vlanid < b->vlanid)
+ return true;
+ if (a->vlanid > b->vlanid)
+ return false;
+ if (a->port < b->port)
+ return true;
+ if (a->port > b->port)
+ return false;
+ if (a->vlanprior < b->vlanprior)
+ return true;
+ if (a->vlanprior > b->vlanprior)
+ return false;
+ /* Keys are equal */
+ return false;
+}
+
+static int sja1105_init_virtual_links(struct sja1105_private *priv,
+ struct netlink_ext_ack *extack)
+{
+ struct sja1105_vl_policing_entry *vl_policing;
+ struct sja1105_vl_forwarding_entry *vl_fwd;
+ struct sja1105_vl_lookup_entry *vl_lookup;
+ bool have_critical_virtual_links = false;
+ struct sja1105_table *table;
+ struct sja1105_rule *rule;
+ int num_virtual_links = 0;
+ int max_sharindx = 0;
+ int i, j, k;
+
+ /* Figure out the dimensioning of the problem */
+ list_for_each_entry(rule, &priv->flow_block.rules, list) {
+ if (rule->type != SJA1105_RULE_VL)
+ continue;
+ /* Each VL lookup entry matches on a single ingress port */
+ num_virtual_links += hweight_long(rule->port_mask);
+
+ if (rule->vl.type != SJA1105_VL_NONCRITICAL)
+ have_critical_virtual_links = true;
+ if (max_sharindx < rule->vl.sharindx)
+ max_sharindx = rule->vl.sharindx;
+ }
+
+ if (num_virtual_links > SJA1105_MAX_VL_LOOKUP_COUNT) {
+ NL_SET_ERR_MSG_MOD(extack, "Not enough VL entries available");
+ return -ENOSPC;
+ }
+
+ if (max_sharindx + 1 > SJA1105_MAX_VL_LOOKUP_COUNT) {
+ NL_SET_ERR_MSG_MOD(extack, "Policer index out of range");
+ return -ENOSPC;
+ }
+
+ max_sharindx = max_t(int, num_virtual_links, max_sharindx) + 1;
+
+ /* Discard previous VL Lookup Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_LOOKUP];
+ if (table->entry_count) {
+ kfree(table->entries);
+ table->entry_count = 0;
+ }
+
+ /* Discard previous VL Policing Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_POLICING];
+ if (table->entry_count) {
+ kfree(table->entries);
+ table->entry_count = 0;
+ }
+
+ /* Discard previous VL Forwarding Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_FORWARDING];
+ if (table->entry_count) {
+ kfree(table->entries);
+ table->entry_count = 0;
+ }
+
+ /* Discard previous VL Forwarding Parameters Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_FORWARDING_PARAMS];
+ if (table->entry_count) {
+ kfree(table->entries);
+ table->entry_count = 0;
+ }
+
+ /* Nothing to do */
+ if (!num_virtual_links)
+ return 0;
+
+ /* Pre-allocate space in the static config tables */
+
+ /* VL Lookup Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_LOOKUP];
+ table->entries = kcalloc(num_virtual_links,
+ table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+ table->entry_count = num_virtual_links;
+ vl_lookup = table->entries;
+
+ k = 0;
+
+ list_for_each_entry(rule, &priv->flow_block.rules, list) {
+ unsigned long port;
+
+ if (rule->type != SJA1105_RULE_VL)
+ continue;
+
+ for_each_set_bit(port, &rule->port_mask, SJA1105_NUM_PORTS) {
+ vl_lookup[k].format = SJA1105_VL_FORMAT_PSFP;
+ vl_lookup[k].port = port;
+ vl_lookup[k].macaddr = rule->key.vl.dmac;
+ if (rule->key.type == SJA1105_KEY_VLAN_AWARE_VL) {
+ vl_lookup[k].vlanid = rule->key.vl.vid;
+ vl_lookup[k].vlanprior = rule->key.vl.pcp;
+ } else {
+ u16 vid = dsa_8021q_rx_vid(priv->ds, port);
+
+ vl_lookup[k].vlanid = vid;
+ vl_lookup[k].vlanprior = 0;
+ }
+ /* For critical VLs, the DESTPORTS mask is taken from
+ * the VL Forwarding Table, so no point in putting it
+ * in the VL Lookup Table
+ */
+ if (rule->vl.type == SJA1105_VL_NONCRITICAL)
+ vl_lookup[k].destports = rule->vl.destports;
+ else
+ vl_lookup[k].iscritical = true;
+ vl_lookup[k].flow_cookie = rule->cookie;
+ k++;
+ }
+ }
+
+ /* UM10944.pdf chapter 4.2.3 VL Lookup table:
+ * "the entries in the VL Lookup table must be sorted in ascending
+ * order (i.e. the smallest value must be loaded first) according to
+ * the following sort order: MACADDR, VLANID, PORT, VLANPRIOR."
+ */
+ for (i = 0; i < num_virtual_links; i++) {
+ struct sja1105_vl_lookup_entry *a = &vl_lookup[i];
+
+ for (j = i + 1; j < num_virtual_links; j++) {
+ struct sja1105_vl_lookup_entry *b = &vl_lookup[j];
+
+ if (sja1105_vl_key_lower(b, a)) {
+ struct sja1105_vl_lookup_entry tmp = *a;
+
+ *a = *b;
+ *b = tmp;
+ }
+ }
+ }
+
+ if (!have_critical_virtual_links)
+ return 0;
+
+ /* VL Policing Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_POLICING];
+ table->entries = kcalloc(max_sharindx, table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+ table->entry_count = max_sharindx;
+ vl_policing = table->entries;
+
+ /* VL Forwarding Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_FORWARDING];
+ table->entries = kcalloc(max_sharindx, table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+ table->entry_count = max_sharindx;
+ vl_fwd = table->entries;
+
+ /* VL Forwarding Parameters Table */
+ table = &priv->static_config.tables[BLK_IDX_VL_FORWARDING_PARAMS];
+ table->entries = kcalloc(1, table->ops->unpacked_entry_size,
+ GFP_KERNEL);
+ if (!table->entries)
+ return -ENOMEM;
+ table->entry_count = 1;
+
+ for (i = 0; i < num_virtual_links; i++) {
+ unsigned long cookie = vl_lookup[i].flow_cookie;
+ struct sja1105_rule *rule = sja1105_rule_find(priv, cookie);
+
+ if (rule->vl.type == SJA1105_VL_NONCRITICAL)
+ continue;
+ if (rule->vl.type == SJA1105_VL_TIME_TRIGGERED) {
+ int sharindx = rule->vl.sharindx;
+
+ vl_policing[i].type = 1;
+ vl_policing[i].sharindx = sharindx;
+ vl_policing[i].maxlen = rule->vl.maxlen;
+ vl_policing[sharindx].type = 1;
+
+ vl_fwd[i].type = 1;
+ vl_fwd[sharindx].type = 1;
+ vl_fwd[sharindx].priority = rule->vl.ipv;
+ vl_fwd[sharindx].partition = 0;
+ vl_fwd[sharindx].destports = rule->vl.destports;
+ }
+ }
+
+ sja1105_frame_memory_partitioning(priv);
+
+ return 0;
+}
+
+int sja1105_vl_redirect(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack, unsigned long cookie,
+ struct sja1105_key *key, unsigned long destports,
+ bool append)
+{
+ struct sja1105_rule *rule = sja1105_rule_find(priv, cookie);
+ int rc;
+
+ if (priv->vlan_state == SJA1105_VLAN_UNAWARE &&
+ key->type != SJA1105_KEY_VLAN_UNAWARE_VL) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only redirect based on DMAC");
+ return -EOPNOTSUPP;
+ } else if (key->type != SJA1105_KEY_VLAN_AWARE_VL) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only redirect based on {DMAC, VID, PCP}");
+ return -EOPNOTSUPP;
+ }
+
+ if (!rule) {
+ rule = kzalloc(sizeof(*rule), GFP_KERNEL);
+ if (!rule)
+ return -ENOMEM;
+
+ rule->cookie = cookie;
+ rule->type = SJA1105_RULE_VL;
+ rule->key = *key;
+ list_add(&rule->list, &priv->flow_block.rules);
+ }
+
+ rule->port_mask |= BIT(port);
+ if (append)
+ rule->vl.destports |= destports;
+ else
+ rule->vl.destports = destports;
+
+ rc = sja1105_init_virtual_links(priv, extack);
+ if (rc) {
+ rule->port_mask &= ~BIT(port);
+ if (!rule->port_mask) {
+ list_del(&rule->list);
+ kfree(rule);
+ }
+ }
+
+ return rc;
+}
+
+int sja1105_vl_delete(struct sja1105_private *priv, int port,
+ struct sja1105_rule *rule, struct netlink_ext_ack *extack)
+{
+ int rc;
+
+ rule->port_mask &= ~BIT(port);
+ if (!rule->port_mask) {
+ list_del(&rule->list);
+ kfree(rule);
+ }
+
+ rc = sja1105_init_virtual_links(priv, extack);
+ if (rc)
+ return rc;
+
+ return sja1105_static_config_reload(priv, SJA1105_VIRTUAL_LINKS);
+}
+
+/* Insert into the global gate list, sorted by gate action time. */
+static int sja1105_insert_gate_entry(struct sja1105_gating_config *gating_cfg,
+ struct sja1105_rule *rule,
+ u8 gate_state, s64 entry_time,
+ struct netlink_ext_ack *extack)
+{
+ struct sja1105_gate_entry *e;
+ int rc;
+
+ e = kzalloc(sizeof(*e), GFP_KERNEL);
+ if (!e)
+ return -ENOMEM;
+
+ e->rule = rule;
+ e->gate_state = gate_state;
+ e->interval = entry_time;
+
+ if (list_empty(&gating_cfg->entries)) {
+ list_add(&e->list, &gating_cfg->entries);
+ } else {
+ struct sja1105_gate_entry *p;
+
+ list_for_each_entry(p, &gating_cfg->entries, list) {
+ if (p->interval == e->interval) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Gate conflict");
+ rc = -EBUSY;
+ goto err;
+ }
+
+ if (e->interval < p->interval)
+ break;
+ }
+ list_add(&e->list, p->list.prev);
+ }
+
+ gating_cfg->num_entries++;
+
+ return 0;
+err:
+ kfree(e);
+ return rc;
+}
+
+/* The gate entries contain absolute times in their e->interval field. Convert
+ * that to proper intervals (i.e. "0, 5, 10, 15" to "5, 5, 5, 5").
+ */
+static void
+sja1105_gating_cfg_time_to_interval(struct sja1105_gating_config *gating_cfg,
+ u64 cycle_time)
+{
+ struct sja1105_gate_entry *last_e;
+ struct sja1105_gate_entry *e;
+ struct list_head *prev;
+
+ list_for_each_entry(e, &gating_cfg->entries, list) {
+ struct sja1105_gate_entry *p;
+
+ prev = e->list.prev;
+
+ if (prev == &gating_cfg->entries)
+ continue;
+
+ p = list_entry(prev, struct sja1105_gate_entry, list);
+ p->interval = e->interval - p->interval;
+ }
+ last_e = list_last_entry(&gating_cfg->entries,
+ struct sja1105_gate_entry, list);
+ if (last_e->list.prev != &gating_cfg->entries)
+ last_e->interval = cycle_time - last_e->interval;
+}
+
+static void sja1105_free_gating_config(struct sja1105_gating_config *gating_cfg)
+{
+ struct sja1105_gate_entry *e, *n;
+
+ list_for_each_entry_safe(e, n, &gating_cfg->entries, list) {
+ list_del(&e->list);
+ kfree(e);
+ }
+}
+
+static int sja1105_compose_gating_subschedule(struct sja1105_private *priv,
+ struct netlink_ext_ack *extack)
+{
+ struct sja1105_gating_config *gating_cfg = &priv->tas_data.gating_cfg;
+ struct sja1105_rule *rule;
+ s64 max_cycle_time = 0;
+ s64 its_base_time = 0;
+ int i, rc = 0;
+
+ list_for_each_entry(rule, &priv->flow_block.rules, list) {
+ if (rule->type != SJA1105_RULE_VL)
+ continue;
+ if (rule->vl.type != SJA1105_VL_TIME_TRIGGERED)
+ continue;
+
+ if (max_cycle_time < rule->vl.cycle_time) {
+ max_cycle_time = rule->vl.cycle_time;
+ its_base_time = rule->vl.base_time;
+ }
+ }
+
+ if (!max_cycle_time)
+ return 0;
+
+ dev_dbg(priv->ds->dev, "max_cycle_time %lld its_base_time %lld\n",
+ max_cycle_time, its_base_time);
+
+ sja1105_free_gating_config(gating_cfg);
+
+ gating_cfg->base_time = its_base_time;
+ gating_cfg->cycle_time = max_cycle_time;
+ gating_cfg->num_entries = 0;
+
+ list_for_each_entry(rule, &priv->flow_block.rules, list) {
+ s64 time;
+ s64 rbt;
+
+ if (rule->type != SJA1105_RULE_VL)
+ continue;
+ if (rule->vl.type != SJA1105_VL_TIME_TRIGGERED)
+ continue;
+
+ /* Calculate the difference between this gating schedule's
+ * base time, and the base time of the gating schedule with the
+ * longest cycle time. We call it the relative base time (rbt).
+ */
+ rbt = future_base_time(rule->vl.base_time, rule->vl.cycle_time,
+ its_base_time);
+ rbt -= its_base_time;
+
+ time = rbt;
+
+ for (i = 0; i < rule->vl.num_entries; i++) {
+ u8 gate_state = rule->vl.entries[i].gate_state;
+ s64 entry_time = time;
+
+ while (entry_time < max_cycle_time) {
+ rc = sja1105_insert_gate_entry(gating_cfg, rule,
+ gate_state,
+ entry_time,
+ extack);
+ if (rc)
+ goto err;
+
+ entry_time += rule->vl.cycle_time;
+ }
+ time += rule->vl.entries[i].interval;
+ }
+ }
+
+ sja1105_gating_cfg_time_to_interval(gating_cfg, max_cycle_time);
+
+ return 0;
+err:
+ sja1105_free_gating_config(gating_cfg);
+ return rc;
+}
+
+int sja1105_vl_gate(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack, unsigned long cookie,
+ struct sja1105_key *key, u32 index, s32 prio,
+ u64 base_time, u64 cycle_time, u64 cycle_time_ext,
+ u32 num_entries, struct action_gate_entry *entries)
+{
+ struct sja1105_rule *rule = sja1105_rule_find(priv, cookie);
+ int ipv = -1;
+ int i, rc;
+ s32 rem;
+
+ if (cycle_time_ext) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cycle time extension not supported");
+ return -EOPNOTSUPP;
+ }
+
+ div_s64_rem(base_time, sja1105_delta_to_ns(1), &rem);
+ if (rem) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Base time must be multiple of 200 ns");
+ return -ERANGE;
+ }
+
+ div_s64_rem(cycle_time, sja1105_delta_to_ns(1), &rem);
+ if (rem) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cycle time must be multiple of 200 ns");
+ return -ERANGE;
+ }
+
+ if (priv->vlan_state == SJA1105_VLAN_UNAWARE &&
+ key->type != SJA1105_KEY_VLAN_UNAWARE_VL) {
+ dev_err(priv->ds->dev, "1: vlan state %d key type %d\n",
+ priv->vlan_state, key->type);
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only gate based on DMAC");
+ return -EOPNOTSUPP;
+ } else if (key->type != SJA1105_KEY_VLAN_AWARE_VL) {
+ dev_err(priv->ds->dev, "2: vlan state %d key type %d\n",
+ priv->vlan_state, key->type);
+ NL_SET_ERR_MSG_MOD(extack,
+ "Can only gate based on {DMAC, VID, PCP}");
+ return -EOPNOTSUPP;
+ }
+
+ if (!rule) {
+ rule = kzalloc(sizeof(*rule), GFP_KERNEL);
+ if (!rule)
+ return -ENOMEM;
+
+ list_add(&rule->list, &priv->flow_block.rules);
+ rule->cookie = cookie;
+ rule->type = SJA1105_RULE_VL;
+ rule->key = *key;
+ rule->vl.type = SJA1105_VL_TIME_TRIGGERED;
+ rule->vl.sharindx = index;
+ rule->vl.base_time = base_time;
+ rule->vl.cycle_time = cycle_time;
+ rule->vl.num_entries = num_entries;
+ rule->vl.entries = kcalloc(num_entries,
+ sizeof(struct action_gate_entry),
+ GFP_KERNEL);
+ if (!rule->vl.entries) {
+ rc = -ENOMEM;
+ goto out;
+ }
+
+ for (i = 0; i < num_entries; i++) {
+ div_s64_rem(entries[i].interval,
+ sja1105_delta_to_ns(1), &rem);
+ if (rem) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Interval must be multiple of 200 ns");
+ rc = -ERANGE;
+ goto out;
+ }
+
+ if (!entries[i].interval) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Interval cannot be zero");
+ rc = -ERANGE;
+ goto out;
+ }
+
+ if (ns_to_sja1105_delta(entries[i].interval) >
+ SJA1105_TAS_MAX_DELTA) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Maximum interval is 52 ms");
+ rc = -ERANGE;
+ goto out;
+ }
+
+ if (entries[i].maxoctets != -1) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot offload IntervalOctetMax");
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+
+ if (ipv == -1) {
+ ipv = entries[i].ipv;
+ } else if (ipv != entries[i].ipv) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Only support a single IPV per VL");
+ rc = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rule->vl.entries[i] = entries[i];
+ }
+
+ if (ipv == -1) {
+ if (key->type == SJA1105_KEY_VLAN_AWARE_VL)
+ ipv = key->vl.pcp;
+ else
+ ipv = 0;
+ }
+
+ /* TODO: support per-flow MTU */
+ rule->vl.maxlen = VLAN_ETH_FRAME_LEN + ETH_FCS_LEN;
+ rule->vl.ipv = ipv;
+ }
+
+ rule->port_mask |= BIT(port);
+
+ rc = sja1105_compose_gating_subschedule(priv, extack);
+ if (rc)
+ goto out;
+
+ rc = sja1105_init_virtual_links(priv, extack);
+ if (rc)
+ goto out;
+
+ if (sja1105_gating_check_conflicts(priv, -1, extack)) {
+ NL_SET_ERR_MSG_MOD(extack, "Conflict with tc-taprio schedule");
+ rc = -ERANGE;
+ goto out;
+ }
+
+out:
+ if (rc) {
+ rule->port_mask &= ~BIT(port);
+ if (!rule->port_mask) {
+ list_del(&rule->list);
+ kfree(rule->vl.entries);
+ kfree(rule);
+ }
+ }
+
+ return rc;
+}
+
+static int sja1105_find_vlid(struct sja1105_private *priv, int port,
+ struct sja1105_key *key)
+{
+ struct sja1105_vl_lookup_entry *vl_lookup;
+ struct sja1105_table *table;
+ int i;
+
+ if (WARN_ON(key->type != SJA1105_KEY_VLAN_AWARE_VL &&
+ key->type != SJA1105_KEY_VLAN_UNAWARE_VL))
+ return -1;
+
+ table = &priv->static_config.tables[BLK_IDX_VL_LOOKUP];
+ vl_lookup = table->entries;
+
+ for (i = 0; i < table->entry_count; i++) {
+ if (key->type == SJA1105_KEY_VLAN_AWARE_VL) {
+ if (vl_lookup[i].port == port &&
+ vl_lookup[i].macaddr == key->vl.dmac &&
+ vl_lookup[i].vlanid == key->vl.vid &&
+ vl_lookup[i].vlanprior == key->vl.pcp)
+ return i;
+ } else {
+ if (vl_lookup[i].port == port &&
+ vl_lookup[i].macaddr == key->vl.dmac)
+ return i;
+ }
+ }
+
+ return -1;
+}
+
+int sja1105_vl_stats(struct sja1105_private *priv, int port,
+ struct sja1105_rule *rule, struct flow_stats *stats,
+ struct netlink_ext_ack *extack)
+{
+ const struct sja1105_regs *regs = priv->info->regs;
+ u8 buf[SJA1105_SIZE_VL_STATUS] = {0};
+ u64 unreleased;
+ u64 timingerr;
+ u64 lengtherr;
+ int vlid, rc;
+ u64 pkts;
+
+ if (rule->vl.type != SJA1105_VL_TIME_TRIGGERED)
+ return 0;
+
+ vlid = sja1105_find_vlid(priv, port, &rule->key);
+ if (vlid < 0)
+ return 0;
+
+ rc = sja1105_xfer_buf(priv, SPI_READ, regs->vl_status + 2 * vlid, buf,
+ SJA1105_SIZE_VL_STATUS);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "SPI access failed");
+ return rc;
+ }
+
+ sja1105_unpack(buf, &timingerr, 31, 16, SJA1105_SIZE_VL_STATUS);
+ sja1105_unpack(buf, &unreleased, 15, 0, SJA1105_SIZE_VL_STATUS);
+ sja1105_unpack(buf, &lengtherr, 47, 32, SJA1105_SIZE_VL_STATUS);
+
+ pkts = timingerr + unreleased + lengtherr;
+
+ flow_stats_update(stats, 0, pkts - rule->vl.stats.pkts,
+ jiffies - rule->vl.stats.lastused,
+ FLOW_ACTION_HW_STATS_IMMEDIATE);
+
+ rule->vl.stats.pkts = pkts;
+ rule->vl.stats.lastused = jiffies;
+
+ return 0;
+}
diff --git a/drivers/net/dsa/sja1105/sja1105_vl.h b/drivers/net/dsa/sja1105/sja1105_vl.h
new file mode 100644
index 000000000000..173d78963fed
--- /dev/null
+++ b/drivers/net/dsa/sja1105/sja1105_vl.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2020, NXP Semiconductors
+ */
+#ifndef _SJA1105_VL_H
+#define _SJA1105_VL_H
+
+#include "sja1105.h"
+
+#if IS_ENABLED(CONFIG_NET_DSA_SJA1105_VL)
+
+int sja1105_vl_redirect(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack, unsigned long cookie,
+ struct sja1105_key *key, unsigned long destports,
+ bool append);
+
+int sja1105_vl_delete(struct sja1105_private *priv, int port,
+ struct sja1105_rule *rule,
+ struct netlink_ext_ack *extack);
+
+int sja1105_vl_gate(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack, unsigned long cookie,
+ struct sja1105_key *key, u32 index, s32 prio,
+ u64 base_time, u64 cycle_time, u64 cycle_time_ext,
+ u32 num_entries, struct action_gate_entry *entries);
+
+int sja1105_vl_stats(struct sja1105_private *priv, int port,
+ struct sja1105_rule *rule, struct flow_stats *stats,
+ struct netlink_ext_ack *extack);
+
+#else
+
+static inline int sja1105_vl_redirect(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack,
+ unsigned long cookie,
+ struct sja1105_key *key,
+ unsigned long destports,
+ bool append)
+{
+ NL_SET_ERR_MSG_MOD(extack, "Virtual Links not compiled in");
+ return -EOPNOTSUPP;
+}
+
+static inline int sja1105_vl_delete(struct sja1105_private *priv,
+ int port, struct sja1105_rule *rule,
+ struct netlink_ext_ack *extack)
+{
+ NL_SET_ERR_MSG_MOD(extack, "Virtual Links not compiled in");
+ return -EOPNOTSUPP;
+}
+
+static inline int sja1105_vl_gate(struct sja1105_private *priv, int port,
+ struct netlink_ext_ack *extack,
+ unsigned long cookie,
+ struct sja1105_key *key, u32 index, s32 prio,
+ u64 base_time, u64 cycle_time,
+ u64 cycle_time_ext, u32 num_entries,
+ struct action_gate_entry *entries)
+{
+ NL_SET_ERR_MSG_MOD(extack, "Virtual Links not compiled in");
+ return -EOPNOTSUPP;
+}
+
+static inline int sja1105_vl_stats(struct sja1105_private *priv, int port,
+ struct sja1105_rule *rule,
+ struct flow_stats *stats,
+ struct netlink_ext_ack *extack)
+{
+ NL_SET_ERR_MSG_MOD(extack, "Virtual Links not compiled in");
+ return -EOPNOTSUPP;
+}
+
+#endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_VL) */
+
+#endif /* _SJA1105_VL_H */
diff --git a/drivers/net/dsa/vitesse-vsc73xx-platform.c b/drivers/net/dsa/vitesse-vsc73xx-platform.c
index 0541785f9fee..5e54a5726aa4 100644
--- a/drivers/net/dsa/vitesse-vsc73xx-platform.c
+++ b/drivers/net/dsa/vitesse-vsc73xx-platform.c
@@ -89,7 +89,6 @@ static int vsc73xx_platform_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct vsc73xx_platform *vsc_platform;
- struct resource *res = NULL;
int ret;
vsc_platform = devm_kzalloc(dev, sizeof(*vsc_platform), GFP_KERNEL);
@@ -103,14 +102,7 @@ static int vsc73xx_platform_probe(struct platform_device *pdev)
vsc_platform->vsc.ops = &vsc73xx_platform_ops;
/* obtain I/O memory space */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "cannot obtain I/O memory space\n");
- ret = -ENXIO;
- return ret;
- }
-
- vsc_platform->base_addr = devm_ioremap_resource(&pdev->dev, res);
+ vsc_platform->base_addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(vsc_platform->base_addr)) {
dev_err(&pdev->dev, "cannot request I/O memory space\n");
ret = -ENXIO;
diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
index b762176a1406..139d0120f511 100644
--- a/drivers/net/ethernet/3com/3c509.c
+++ b/drivers/net/ethernet/3com/3c509.c
@@ -85,7 +85,6 @@
#include <linux/device.h>
#include <linux/eisa.h>
#include <linux/bitops.h>
-#include <linux/vermagic.h>
#include <linux/uaccess.h>
#include <asm/io.h>
diff --git a/drivers/net/ethernet/3com/3c515.c b/drivers/net/ethernet/3com/3c515.c
index 90312fcd6319..47b4215bb93b 100644
--- a/drivers/net/ethernet/3com/3c515.c
+++ b/drivers/net/ethernet/3com/3c515.c
@@ -22,7 +22,6 @@
*/
-#include <linux/vermagic.h>
#define DRV_NAME "3c515"
#define CORKSCREW 1
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index a2b7f7ab8170..5984b7033999 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -1149,7 +1149,7 @@ static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq,
print_info = (vortex_debug > 1);
if (print_info)
- pr_info("See Documentation/networking/device_drivers/3com/vortex.txt\n");
+ pr_info("See Documentation/networking/device_drivers/3com/vortex.rst\n");
pr_info("%s: 3Com %s %s at %p.\n",
print_name,
@@ -1954,7 +1954,7 @@ vortex_error(struct net_device *dev, int status)
dev->name, tx_status);
if (tx_status == 0x82) {
pr_err("Probably a duplex mismatch. See "
- "Documentation/networking/device_drivers/3com/vortex.txt\n");
+ "Documentation/networking/device_drivers/3com/vortex.rst\n");
}
dump_tx_ring(dev);
}
diff --git a/drivers/net/ethernet/3com/Kconfig b/drivers/net/ethernet/3com/Kconfig
index 3a6fc99c6f32..7cc259893cb9 100644
--- a/drivers/net/ethernet/3com/Kconfig
+++ b/drivers/net/ethernet/3com/Kconfig
@@ -76,7 +76,7 @@ config VORTEX
"Hurricane" (3c555/3cSOHO) PCI
If you have such a card, say Y here. More specific information is in
- <file:Documentation/networking/device_drivers/3com/vortex.txt> and
+ <file:Documentation/networking/device_drivers/3com/vortex.rst> and
in the comments at the beginning of
<file:drivers/net/ethernet/3com/3c59x.c>.
diff --git a/drivers/net/ethernet/8390/ne2k-pci.c b/drivers/net/ethernet/8390/ne2k-pci.c
index 42985a82321a..77d78b4c59c4 100644
--- a/drivers/net/ethernet/8390/ne2k-pci.c
+++ b/drivers/net/ethernet/8390/ne2k-pci.c
@@ -1,39 +1,43 @@
-/* ne2k-pci.c: A NE2000 clone on PCI bus driver for Linux. */
-/*
- A Linux device driver for PCI NE2000 clones.
-
- Authors and other copyright holders:
- 1992-2000 by Donald Becker, NE2000 core and various modifications.
- 1995-1998 by Paul Gortmaker, core modifications and PCI support.
- Copyright 1993 assigned to the United States Government as represented
- by the Director, National Security Agency.
-
- This software may be used and distributed according to the terms of
- the GNU General Public License (GPL), incorporated herein by reference.
- Drivers based on or derived from this code fall under the GPL and must
- retain the authorship, copyright and license notice. This file is not
- a complete program and may only be used when the entire operating
- system is licensed under the GPL.
-
- The author may be reached as becker@scyld.com, or C/O
- Scyld Computing Corporation
- 410 Severn Ave., Suite 210
- Annapolis MD 21403
-
- Issues remaining:
- People are making PCI ne2000 clones! Oh the horror, the horror...
- Limited full-duplex support.
-*/
+/* A Linux device driver for PCI NE2000 clones.
+ *
+ * Authors and other copyright holders:
+ * 1992-2000 by Donald Becker, NE2000 core and various modifications.
+ * 1995-1998 by Paul Gortmaker, core modifications and PCI support.
+ * Copyright 1993 assigned to the United States Government as represented
+ * by the Director, National Security Agency.
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by reference.
+ * Drivers based on or derived from this code fall under the GPL and must
+ * retain the authorship, copyright and license notice. This file is not
+ * a complete program and may only be used when the entire operating
+ * system is licensed under the GPL.
+ *
+ * The author may be reached as becker@scyld.com, or C/O
+ * Scyld Computing Corporation
+ * 410 Severn Ave., Suite 210
+ * Annapolis MD 21403
+ *
+ * Issues remaining:
+ * People are making PCI NE2000 clones! Oh the horror, the horror...
+ * Limited full-duplex support.
+ */
#define DRV_NAME "ne2k-pci"
+#define DRV_DESCRIPTION "PCI NE2000 clone driver"
+#define DRV_AUTHOR "Donald Becker / Paul Gortmaker"
#define DRV_VERSION "1.03"
#define DRV_RELDATE "9/22/2003"
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
/* The user-configurable values.
- These may be modified when a driver module is loaded.*/
+ * These may be modified when a driver module is loaded.
+ */
+
+/* More are supported, limit only on options */
+#define MAX_UNITS 8
-#define MAX_UNITS 8 /* More are supported, limit only on options */
/* Used to pass the full-duplex flag, etc. */
static int full_duplex[MAX_UNITS];
static int options[MAX_UNITS];
@@ -52,7 +56,7 @@ static int options[MAX_UNITS];
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/irq.h>
#include <linux/uaccess.h>
@@ -60,20 +64,14 @@ static int options[MAX_UNITS];
static u32 ne2k_msg_enable;
-/* These identify the driver base version and may not be removed. */
-static const char version[] =
- KERN_INFO DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE
- " D. Becker/P. Gortmaker\n";
-
#if defined(__powerpc__)
#define inl_le(addr) le32_to_cpu(inl(addr))
#define inw_le(addr) le16_to_cpu(inw(addr))
#endif
-#define PFX DRV_NAME ": "
-
-MODULE_AUTHOR("Donald Becker / Paul Gortmaker");
-MODULE_DESCRIPTION("PCI NE2000 clone driver");
+MODULE_AUTHOR(DRV_AUTHOR);
+MODULE_DESCRIPTION(DRV_DESCRIPTION);
+MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
module_param_named(msg_enable, ne2k_msg_enable, uint, 0444);
@@ -83,7 +81,8 @@ MODULE_PARM_DESC(msg_enable, "Debug message level (see linux/netdevice.h for bit
MODULE_PARM_DESC(options, "Bit 5: full duplex");
MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)");
-/* Some defines that people can play with if so inclined. */
+/* Some defines that people can play with if so inclined.
+ */
/* Use 32 bit data-movement operations instead of 16 bit. */
#define USE_LONGIO
@@ -91,14 +90,18 @@ MODULE_PARM_DESC(full_duplex, "full duplex setting(s) (1)");
/* Do we implement the read before write bugfix ? */
/* #define NE_RW_BUGFIX */
-/* Flags. We rename an existing ei_status field to store flags! */
-/* Thus only the low 8 bits are usable for non-init-time flags. */
+/* Flags. We rename an existing ei_status field to store flags!
+ * Thus only the low 8 bits are usable for non-init-time flags.
+ */
#define ne2k_flags reg0
+
enum {
- ONLY_16BIT_IO=8, ONLY_32BIT_IO=4, /* Chip can do only 16/32-bit xfers. */
- FORCE_FDX=0x20, /* User override. */
- REALTEK_FDX=0x40, HOLTEK_FDX=0x80,
- STOP_PG_0x60=0x100,
+ /* Chip can do only 16/32-bit xfers. */
+ ONLY_16BIT_IO = 8, ONLY_32BIT_IO = 4,
+ /* User override. */
+ FORCE_FDX = 0x20,
+ REALTEK_FDX = 0x40, HOLTEK_FDX = 0x80,
+ STOP_PG_0x60 = 0x100,
};
enum ne2k_pci_chipsets {
@@ -120,7 +123,7 @@ static struct {
char *name;
int flags;
} pci_clone_list[] = {
- {"RealTek RTL-8029", REALTEK_FDX},
+ {"RealTek RTL-8029(AS)", REALTEK_FDX},
{"Winbond 89C940", 0},
{"Compex RL2000", 0},
{"KTI ET32P2", 0},
@@ -149,13 +152,14 @@ static const struct pci_device_id ne2k_pci_tbl[] = {
{ 0x8c4a, 0x1980, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_Winbond_89C940_8c4a },
{ 0, }
};
+
MODULE_DEVICE_TABLE(pci, ne2k_pci_tbl);
/* ---- No user-serviceable parts below ---- */
#define NE_BASE (dev->base_addr)
-#define NE_CMD 0x00
+#define NE_CMD 0x00
#define NE_DATAPORT 0x10 /* NatSemi-defined port window offset. */
#define NE_RESET 0x1f /* Issue a read to reset, a write to clear. */
#define NE_IO_EXTENT 0x20
@@ -168,18 +172,20 @@ static int ne2k_pci_open(struct net_device *dev);
static int ne2k_pci_close(struct net_device *dev);
static void ne2k_pci_reset_8390(struct net_device *dev);
-static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr,
- int ring_page);
+static void ne2k_pci_get_8390_hdr(struct net_device *dev,
+ struct e8390_pkt_hdr *hdr, int ring_page);
static void ne2k_pci_block_input(struct net_device *dev, int count,
- struct sk_buff *skb, int ring_offset);
+ struct sk_buff *skb, int ring_offset);
static void ne2k_pci_block_output(struct net_device *dev, const int count,
- const unsigned char *buf, const int start_page);
+ const unsigned char *buf,
+ const int start_page);
static const struct ethtool_ops ne2k_pci_ethtool_ops;
/* There is no room in the standard 8390 structure for extra info we need,
- so we build a meta/outer-wrapper structure.. */
+ * so we build a meta/outer-wrapper structure..
+ */
struct ne2k_pci_card {
struct net_device *dev;
struct pci_dev *pci_dev;
@@ -187,18 +193,17 @@ struct ne2k_pci_card {
-/*
- NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet
- buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes
- 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be
- detected by their SA prefix.
-
- Reading the SAPROM from a word-wide card with the 8390 set in byte-wide
- mode results in doubled values, which can be detected and compensated for.
-
- The probe is also responsible for initializing the card and filling
- in the 'dev' and 'ei_status' structures.
-*/
+/* NEx000-clone boards have a Station Address (SA) PROM (SAPROM) in the packet
+ * buffer memory space. By-the-spec NE2000 clones have 0x57,0x57 in bytes
+ * 0x0e,0x0f of the SAPROM, while other supposed NE2000 clones must be
+ * detected by their SA prefix.
+ *
+ * Reading the SAPROM from a word-wide card with the 8390 set in byte-wide
+ * mode results in doubled values, which can be detected and compensated for.
+ *
+ * The probe is also responsible for initializing the card and filling
+ * in the 'dev' and 'ei_status' structures.
+ */
static const struct net_device_ops ne2k_netdev_ops = {
.ndo_open = ne2k_pci_open,
@@ -208,7 +213,7 @@ static const struct net_device_ops ne2k_netdev_ops = {
.ndo_get_stats = ei_get_stats,
.ndo_set_rx_mode = ei_set_multicast_list,
.ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
+ .ndo_set_mac_address = eth_mac_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ei_poll,
#endif
@@ -227,28 +232,21 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
int flags = pci_clone_list[chip_idx].flags;
struct ei_device *ei_local;
-/* when built into the kernel, we only print version if device is found */
-#ifndef MODULE
- static int printed_version;
- if (!printed_version++)
- printk(version);
-#endif
-
fnd_cnt++;
- i = pci_enable_device (pdev);
+ i = pci_enable_device(pdev);
if (i)
return i;
- ioaddr = pci_resource_start (pdev, 0);
+ ioaddr = pci_resource_start(pdev, 0);
irq = pdev->irq;
- if (!ioaddr || ((pci_resource_flags (pdev, 0) & IORESOURCE_IO) == 0)) {
+ if (!ioaddr || ((pci_resource_flags(pdev, 0) & IORESOURCE_IO) == 0)) {
dev_err(&pdev->dev, "no I/O resource at PCI BAR #0\n");
goto err_out;
}
- if (request_region (ioaddr, NE_IO_EXTENT, DRV_NAME) == NULL) {
+ if (!request_region(ioaddr, NE_IO_EXTENT, DRV_NAME)) {
dev_err(&pdev->dev, "I/O resource 0x%x @ 0x%lx busy\n",
NE_IO_EXTENT, ioaddr);
goto err_out;
@@ -261,14 +259,17 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
/* Do a preliminary verification that we have a 8390. */
{
int regd;
- outb(E8390_NODMA+E8390_PAGE1+E8390_STOP, ioaddr + E8390_CMD);
+
+ outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, ioaddr + E8390_CMD);
regd = inb(ioaddr + 0x0d);
outb(0xff, ioaddr + 0x0d);
- outb(E8390_NODMA+E8390_PAGE0, ioaddr + E8390_CMD);
- inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */
+ outb(E8390_NODMA + E8390_PAGE0, ioaddr + E8390_CMD);
+ /* Clear the counter by reading. */
+ inb(ioaddr + EN0_COUNTER0);
if (inb(ioaddr + EN0_COUNTER0) != 0) {
outb(reg0, ioaddr);
- outb(regd, ioaddr + 0x0d); /* Restore the old values. */
+ /* Restore the old values. */
+ outb(regd, ioaddr + 0x0d);
goto err_out_free_res;
}
}
@@ -291,9 +292,9 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
outb(inb(ioaddr + NE_RESET), ioaddr + NE_RESET);
- /* This looks like a horrible timing loop, but it should never take
- more than a few cycles.
- */
+ /* This looks like a horrible timing loop, but it should never
+ * take more than a few cycles.
+ */
while ((inb(ioaddr + EN0_ISR) & ENISR_RESET) == 0)
/* Limit wait: '2' avoids jiffy roll-over. */
if (jiffies - reset_start_time > 2) {
@@ -301,42 +302,53 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
"Card failure (no reset ack).\n");
goto err_out_free_netdev;
}
-
- outb(0xff, ioaddr + EN0_ISR); /* Ack all intr. */
+ /* Ack all intr. */
+ outb(0xff, ioaddr + EN0_ISR);
}
/* Read the 16 bytes of station address PROM.
- We must first initialize registers, similar to NS8390_init(eifdev, 0).
- We can't reliably read the SAPROM address without this.
- (I learned the hard way!). */
+ * We must first initialize registers, similar
+ * to NS8390_init(eifdev, 0).
+ * We can't reliably read the SAPROM address without this.
+ * (I learned the hard way!).
+ */
{
struct {unsigned char value, offset; } program_seq[] = {
- {E8390_NODMA+E8390_PAGE0+E8390_STOP, E8390_CMD}, /* Select page 0*/
- {0x49, EN0_DCFG}, /* Set word-wide access. */
- {0x00, EN0_RCNTLO}, /* Clear the count regs. */
+ /* Select page 0 */
+ {E8390_NODMA + E8390_PAGE0 + E8390_STOP, E8390_CMD},
+ /* Set word-wide access */
+ {0x49, EN0_DCFG},
+ /* Clear the count regs. */
+ {0x00, EN0_RCNTLO},
+ /* Mask completion IRQ */
{0x00, EN0_RCNTHI},
- {0x00, EN0_IMR}, /* Mask completion irq. */
+ {0x00, EN0_IMR},
{0xFF, EN0_ISR},
- {E8390_RXOFF, EN0_RXCR}, /* 0x20 Set to monitor */
- {E8390_TXOFF, EN0_TXCR}, /* 0x02 and loopback mode. */
+ /* 0x20 Set to monitor */
+ {E8390_RXOFF, EN0_RXCR},
+ /* 0x02 and loopback mode */
+ {E8390_TXOFF, EN0_TXCR},
{32, EN0_RCNTLO},
{0x00, EN0_RCNTHI},
- {0x00, EN0_RSARLO}, /* DMA starting at 0x0000. */
+ /* DMA starting at 0x0000 */
+ {0x00, EN0_RSARLO},
{0x00, EN0_RSARHI},
{E8390_RREAD+E8390_START, E8390_CMD},
};
for (i = 0; i < ARRAY_SIZE(program_seq); i++)
- outb(program_seq[i].value, ioaddr + program_seq[i].offset);
+ outb(program_seq[i].value,
+ ioaddr + program_seq[i].offset);
}
/* Note: all PCI cards have at least 16 bit access, so we don't have
- to check for 8 bit cards. Most cards permit 32 bit access. */
+ * to check for 8 bit cards. Most cards permit 32 bit access.
+ */
if (flags & ONLY_32BIT_IO) {
for (i = 0; i < 4 ; i++)
((u32 *)SA_prom)[i] = le32_to_cpu(inl(ioaddr + NE_DATAPORT));
} else
- for(i = 0; i < 32 /*sizeof(SA_prom)*/; i++)
+ for (i = 0; i < 32 /* sizeof(SA_prom )*/; i++)
SA_prom[i] = inb(ioaddr + NE_DATAPORT);
/* We always set the 8390 registers for word mode. */
@@ -356,7 +368,7 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
ei_status.word16 = 1;
ei_status.ne2k_flags = flags;
if (fnd_cnt < MAX_UNITS) {
- if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
+ if (full_duplex[fnd_cnt] > 0 || (options[fnd_cnt] & FORCE_FDX))
ei_status.ne2k_flags |= FORCE_FDX;
}
@@ -388,16 +400,15 @@ static int ne2k_pci_init_one(struct pci_dev *pdev,
return 0;
err_out_free_netdev:
- free_netdev (dev);
+ free_netdev(dev);
err_out_free_res:
- release_region (ioaddr, NE_IO_EXTENT);
+ release_region(ioaddr, NE_IO_EXTENT);
err_out:
pci_disable_device(pdev);
return -ENODEV;
}
-/*
- * Magic incantation sequence for full duplex on the supported cards.
+/* Magic incantation sequence for full duplex on the supported cards.
*/
static inline int set_realtek_fdx(struct net_device *dev)
{
@@ -431,7 +442,9 @@ static int ne2k_pci_set_fdx(struct net_device *dev)
static int ne2k_pci_open(struct net_device *dev)
{
- int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
+ int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED,
+ dev->name, dev);
+
if (ret)
return ret;
@@ -450,7 +463,8 @@ static int ne2k_pci_close(struct net_device *dev)
}
/* Hard reset the card. This used to pause for the same period that a
- 8390 reset command required, but that shouldn't be necessary. */
+ * 8390 reset command required, but that shouldn't be necessary.
+ */
static void ne2k_pci_reset_8390(struct net_device *dev)
{
unsigned long reset_start_time = jiffies;
@@ -467,31 +481,34 @@ static void ne2k_pci_reset_8390(struct net_device *dev)
/* This check _should_not_ be necessary, omit eventually. */
while ((inb(NE_BASE+EN0_ISR) & ENISR_RESET) == 0)
if (jiffies - reset_start_time > 2) {
- netdev_err(dev, "ne2k_pci_reset_8390() did not complete.\n");
+ netdev_err(dev, "%s did not complete.\n", __func__);
break;
}
- outb(ENISR_RESET, NE_BASE + EN0_ISR); /* Ack intr. */
+ /* Ack intr. */
+ outb(ENISR_RESET, NE_BASE + EN0_ISR);
}
/* Grab the 8390 specific header. Similar to the block_input routine, but
- we don't need to be concerned with ring wrap as the header will be at
- the start of a page, so we optimize accordingly. */
+ * we don't need to be concerned with ring wrap as the header will be at
+ * the start of a page, so we optimize accordingly.
+ */
-static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page)
+static void ne2k_pci_get_8390_hdr(struct net_device *dev,
+ struct e8390_pkt_hdr *hdr, int ring_page)
{
long nic_base = dev->base_addr;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
+ /* This *shouldn't* happen. If it does, it's the last thing you'll see
+ */
if (ei_status.dmaing) {
- netdev_err(dev, "DMAing conflict in ne2k_pci_get_8390_hdr "
- "[DMAstat:%d][irqlock:%d].\n",
- ei_status.dmaing, ei_status.irqlock);
+ netdev_err(dev, "DMAing conflict in %s [DMAstat:%d][irqlock:%d].\n",
+ __func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
- outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
+ outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO);
outb(0, nic_base + EN0_RCNTHI);
outb(0, nic_base + EN0_RSARLO); /* On page boundary */
@@ -499,20 +516,22 @@ static void ne2k_pci_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *
outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- insw(NE_BASE + NE_DATAPORT, hdr, sizeof(struct e8390_pkt_hdr)>>1);
+ insw(NE_BASE + NE_DATAPORT, hdr,
+ sizeof(struct e8390_pkt_hdr) >> 1);
} else {
- *(u32*)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
+ *(u32 *)hdr = le32_to_cpu(inl(NE_BASE + NE_DATAPORT));
le16_to_cpus(&hdr->count);
}
-
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
+ /* Ack intr. */
+ outb(ENISR_RDC, nic_base + EN0_ISR);
ei_status.dmaing &= ~0x01;
}
/* Block input and output, similar to the Crynwr packet driver. If you
- are porting to a new ethercard, look at the packet driver source for hints.
- The NEx000 doesn't share the on-board packet memory -- you have to put
- the packet out through the "remote DMA" dataport using outb. */
+ *are porting to a new ethercard, look at the packet driver source for hints.
+ *The NEx000 doesn't share the on-board packet memory -- you have to put
+ *the packet out through the "remote DMA" dataport using outb.
+ */
static void ne2k_pci_block_input(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset)
@@ -520,30 +539,30 @@ static void ne2k_pci_block_input(struct net_device *dev, int count,
long nic_base = dev->base_addr;
char *buf = skb->data;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
+ /* This *shouldn't* happen.
+ * If it does, it's the last thing you'll see.
+ */
if (ei_status.dmaing) {
- netdev_err(dev, "DMAing conflict in ne2k_pci_block_input "
- "[DMAstat:%d][irqlock:%d].\n",
- ei_status.dmaing, ei_status.irqlock);
+ netdev_err(dev, "DMAing conflict in %s [DMAstat:%d][irqlock:%d]\n",
+ __func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
if (ei_status.ne2k_flags & ONLY_32BIT_IO)
count = (count + 3) & 0xFFFC;
- outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base+ NE_CMD);
+ outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD);
outb(count & 0xff, nic_base + EN0_RCNTLO);
outb(count >> 8, nic_base + EN0_RCNTHI);
outb(ring_offset & 0xff, nic_base + EN0_RSARLO);
outb(ring_offset >> 8, nic_base + EN0_RSARHI);
- outb(E8390_RREAD+E8390_START, nic_base + NE_CMD);
+ outb(E8390_RREAD + E8390_START, nic_base + NE_CMD);
if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- insw(NE_BASE + NE_DATAPORT,buf,count>>1);
- if (count & 0x01) {
+ insw(NE_BASE + NE_DATAPORT, buf, count >> 1);
+ if (count & 0x01)
buf[count-1] = inb(NE_BASE + NE_DATAPORT);
- }
} else {
- insl(NE_BASE + NE_DATAPORT, buf, count>>2);
+ insl(NE_BASE + NE_DATAPORT, buf, count >> 2);
if (count & 3) {
buf += count & ~3;
if (count & 2) {
@@ -556,30 +575,32 @@ static void ne2k_pci_block_input(struct net_device *dev, int count,
*buf = inb(NE_BASE + NE_DATAPORT);
}
}
-
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
+ /* Ack intr. */
+ outb(ENISR_RDC, nic_base + EN0_ISR);
ei_status.dmaing &= ~0x01;
}
static void ne2k_pci_block_output(struct net_device *dev, int count,
- const unsigned char *buf, const int start_page)
+ const unsigned char *buf, const int start_page)
{
long nic_base = NE_BASE;
unsigned long dma_start;
/* On little-endian it's always safe to round the count up for
- word writes. */
+ * word writes.
+ */
if (ei_status.ne2k_flags & ONLY_32BIT_IO)
count = (count + 3) & 0xFFFC;
else
if (count & 0x01)
count++;
- /* This *shouldn't* happen. If it does, it's the last thing you'll see */
+ /* This *shouldn't* happen.
+ * If it does, it's the last thing you'll see.
+ */
if (ei_status.dmaing) {
- netdev_err(dev, "DMAing conflict in ne2k_pci_block_output."
- "[DMAstat:%d][irqlock:%d]\n",
- ei_status.dmaing, ei_status.irqlock);
+ netdev_err(dev, "DMAing conflict in %s [DMAstat:%d][irqlock:%d]\n",
+ __func__, ei_status.dmaing, ei_status.irqlock);
return;
}
ei_status.dmaing |= 0x01;
@@ -588,9 +609,10 @@ static void ne2k_pci_block_output(struct net_device *dev, int count,
#ifdef NE8390_RW_BUGFIX
/* Handle the read-before-write bug the same way as the
- Crynwr packet driver -- the NatSemi method doesn't work.
- Actually this doesn't always work either, but if you have
- problems with your NEx000 this is better than nothing! */
+ * Crynwr packet driver -- the NatSemi method doesn't work.
+ * Actually this doesn't always work either, but if you have
+ * problems with your NEx000 this is better than nothing!
+ */
outb(0x42, nic_base + EN0_RCNTLO);
outb(0x00, nic_base + EN0_RCNTHI);
outb(0x42, nic_base + EN0_RSARLO);
@@ -599,16 +621,16 @@ static void ne2k_pci_block_output(struct net_device *dev, int count,
#endif
outb(ENISR_RDC, nic_base + EN0_ISR);
- /* Now the normal output. */
+ /* Now the normal output. */
outb(count & 0xff, nic_base + EN0_RCNTLO);
outb(count >> 8, nic_base + EN0_RCNTHI);
outb(0x00, nic_base + EN0_RSARLO);
outb(start_page, nic_base + EN0_RSARHI);
outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD);
if (ei_status.ne2k_flags & ONLY_16BIT_IO) {
- outsw(NE_BASE + NE_DATAPORT, buf, count>>1);
+ outsw(NE_BASE + NE_DATAPORT, buf, count >> 1);
} else {
- outsl(NE_BASE + NE_DATAPORT, buf, count>>2);
+ outsl(NE_BASE + NE_DATAPORT, buf, count >> 2);
if (count & 3) {
buf += count & ~3;
if (count & 2) {
@@ -623,14 +645,15 @@ static void ne2k_pci_block_output(struct net_device *dev, int count,
dma_start = jiffies;
while ((inb(nic_base + EN0_ISR) & ENISR_RDC) == 0)
- if (jiffies - dma_start > 2) { /* Avoid clock roll-over. */
+ /* Avoid clock roll-over. */
+ if (jiffies - dma_start > 2) {
netdev_warn(dev, "timeout waiting for Tx RDC.\n");
ne2k_pci_reset_8390(dev);
- NS8390_init(dev,1);
+ NS8390_init(dev, 1);
break;
}
-
- outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */
+ /* Ack intr. */
+ outb(ENISR_RDC, nic_base + EN0_ISR);
ei_status.dmaing &= ~0x01;
}
@@ -640,9 +663,9 @@ static void ne2k_pci_get_drvinfo(struct net_device *dev,
struct ei_device *ei = netdev_priv(dev);
struct pci_dev *pci_dev = (struct pci_dev *) ei->priv;
- strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
- strlcpy(info->version, DRV_VERSION, sizeof(info->version));
- strlcpy(info->bus_info, pci_name(pci_dev), sizeof(info->bus_info));
+ strscpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strscpy(info->version, DRV_VERSION, sizeof(info->version));
+ strscpy(info->bus_info, pci_name(pci_dev), sizeof(info->bus_info));
}
static u32 ne2k_pci_get_msglevel(struct net_device *dev)
@@ -677,9 +700,9 @@ static void ne2k_pci_remove_one(struct pci_dev *pdev)
}
#ifdef CONFIG_PM
-static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
+static int ne2k_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
- struct net_device *dev = pci_get_drvdata (pdev);
+ struct net_device *dev = pci_get_drvdata(pdev);
netif_device_detach(dev);
pci_save_state(pdev);
@@ -689,9 +712,9 @@ static int ne2k_pci_suspend (struct pci_dev *pdev, pm_message_t state)
return 0;
}
-static int ne2k_pci_resume (struct pci_dev *pdev)
+static int ne2k_pci_resume(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata (pdev);
+ struct net_device *dev = pci_get_drvdata(pdev);
int rc;
pci_set_power_state(pdev, PCI_D0);
@@ -718,24 +741,20 @@ static struct pci_driver ne2k_driver = {
#ifdef CONFIG_PM
.suspend = ne2k_pci_suspend,
.resume = ne2k_pci_resume,
-#endif /* CONFIG_PM */
+#endif
};
static int __init ne2k_pci_init(void)
{
-/* when a module, this is printed whether or not devices are found in probe */
-#ifdef MODULE
- printk(version);
-#endif
return pci_register_driver(&ne2k_driver);
}
static void __exit ne2k_pci_cleanup(void)
{
- pci_unregister_driver (&ne2k_driver);
+ pci_unregister_driver(&ne2k_driver);
}
module_init(ne2k_pci_init);
diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c
index 2db42211329f..a64191fc2af9 100644
--- a/drivers/net/ethernet/adaptec/starfire.c
+++ b/drivers/net/ethernet/adaptec/starfire.c
@@ -45,7 +45,6 @@
#include <asm/processor.h> /* Processor type for cache alignment. */
#include <linux/uaccess.h>
#include <asm/io.h>
-#include <linux/vermagic.h>
/*
* The current frame processor firmware fails to checksum a fragment
diff --git a/drivers/net/ethernet/agere/et131x.c b/drivers/net/ethernet/agere/et131x.c
index 1b19385ad8a9..865892c1f23f 100644
--- a/drivers/net/ethernet/agere/et131x.c
+++ b/drivers/net/ethernet/agere/et131x.c
@@ -714,11 +714,11 @@ static int et131x_init_eeprom(struct et131x_adapter *adapter)
* gather additional information that normally would
* come from the eeprom, like MAC Address
*/
- adapter->has_eeprom = 0;
+ adapter->has_eeprom = false;
return -EIO;
}
}
- adapter->has_eeprom = 1;
+ adapter->has_eeprom = true;
/* Read the EEPROM for information regarding LED behavior. Refer to
* et131x_xcvr_init() for its use.
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 18d3b4340bd4..b3b8a8010142 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -417,7 +417,7 @@ static void emac_timeout(struct net_device *dev, unsigned int txqueue)
/* Hardware start transmission.
* Send a packet to media from the upper layer.
*/
-static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t emac_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct emac_board_info *db = netdev_priv(dev);
unsigned long channel;
@@ -425,7 +425,7 @@ static int emac_start_xmit(struct sk_buff *skb, struct net_device *dev)
channel = db->tx_fifo_stat & 3;
if (channel == 3)
- return 1;
+ return NETDEV_TX_BUSY;
channel = (channel == 1 ? 1 : 0);
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index 1671c1f36691..907125abef2c 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -554,7 +554,7 @@ static irqreturn_t altera_isr(int irq, void *dev_id)
* physically contiguous fragment starting at
* skb->data, for length of skb_headlen(skb).
*/
-static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
unsigned int txsize = priv->tx_ring_size;
@@ -562,7 +562,7 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
struct tse_buffer *buffer = NULL;
int nfrags = skb_shinfo(skb)->nr_frags;
unsigned int nopaged_len = skb_headlen(skb);
- enum netdev_tx ret = NETDEV_TX_OK;
+ netdev_tx_t ret = NETDEV_TX_OK;
dma_addr_t dma_addr;
spin_lock_bh(&priv->tx_lock);
diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
index 8baf847e8622..336742f6e3c3 100644
--- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h
@@ -404,6 +404,10 @@ struct ena_admin_basic_stats {
u32 rx_drops_low;
u32 rx_drops_high;
+
+ u32 tx_drops_low;
+
+ u32 tx_drops_high;
};
struct ena_admin_acq_get_stats_resp {
@@ -764,8 +768,8 @@ enum ena_admin_os_type {
ENA_ADMIN_OS_DPDK = 3,
ENA_ADMIN_OS_FREEBSD = 4,
ENA_ADMIN_OS_IPXE = 5,
- ENA_ADMIN_OS_ESXI = 6,
- ENA_ADMIN_OS_GROUPS_NUM = 6,
+ ENA_ADMIN_OS_ESXI = 6,
+ ENA_ADMIN_OS_GROUPS_NUM = 6,
};
struct ena_admin_host_info {
@@ -809,7 +813,8 @@ struct ena_admin_host_info {
u16 reserved;
- /* 1 :0 : reserved
+ /* 0 : reserved
+ * 1 : rx_offset
* 2 : interrupt_moderation
* 31:3 : reserved
*/
@@ -1017,6 +1022,10 @@ struct ena_admin_aenq_keep_alive_desc {
u32 rx_drops_low;
u32 rx_drops_high;
+
+ u32 tx_drops_low;
+
+ u32 tx_drops_high;
};
struct ena_admin_ena_mmio_req_read_less_resp {
@@ -1116,6 +1125,8 @@ struct ena_admin_ena_mmio_req_read_less_resp {
#define ENA_ADMIN_HOST_INFO_DEVICE_MASK GENMASK(7, 3)
#define ENA_ADMIN_HOST_INFO_BUS_SHIFT 8
#define ENA_ADMIN_HOST_INFO_BUS_MASK GENMASK(15, 8)
+#define ENA_ADMIN_HOST_INFO_RX_OFFSET_SHIFT 1
+#define ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK BIT(1)
#define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_SHIFT 2
#define ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK BIT(2)
@@ -1125,4 +1136,4 @@ struct ena_admin_ena_mmio_req_read_less_resp {
/* aenq_link_change_desc */
#define ENA_ADMIN_AENQ_LINK_CHANGE_DESC_LINK_STATUS_MASK BIT(0)
-#endif /*_ENA_ADMIN_H_ */
+#endif /* _ENA_ADMIN_H_ */
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index a250046b8e18..432f143559a1 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -62,7 +62,9 @@
#define ENA_REGS_ADMIN_INTR_MASK 1
-#define ENA_POLL_MS 5
+#define ENA_MIN_ADMIN_POLL_US 100
+
+#define ENA_MAX_ADMIN_POLL_US 5000
/*****************************************************************************/
/*****************************************************************************/
@@ -200,17 +202,17 @@ static void comp_ctxt_release(struct ena_com_admin_queue *queue,
static struct ena_comp_ctx *get_comp_ctxt(struct ena_com_admin_queue *queue,
u16 command_id, bool capture)
{
- if (unlikely(!queue->comp_ctx)) {
- pr_err("Completion context is NULL\n");
- return NULL;
- }
-
if (unlikely(command_id >= queue->q_depth)) {
pr_err("command id is larger than the queue size. cmd_id: %u queue size %d\n",
command_id, queue->q_depth);
return NULL;
}
+ if (unlikely(!queue->comp_ctx)) {
+ pr_err("Completion context is NULL\n");
+ return NULL;
+ }
+
if (unlikely(queue->comp_ctx[command_id].occupied && capture)) {
pr_err("Completion context is occupied\n");
return NULL;
@@ -375,7 +377,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
io_sq->bounce_buf_ctrl.next_to_use = 0;
size = io_sq->bounce_buf_ctrl.buffer_size *
- io_sq->bounce_buf_ctrl.buffers_num;
+ io_sq->bounce_buf_ctrl.buffers_num;
dev_node = dev_to_node(ena_dev->dmadev);
set_dev_node(ena_dev->dmadev, ctx->numa_node);
@@ -523,9 +525,6 @@ static int ena_com_comp_status_to_errno(u8 comp_status)
if (unlikely(comp_status != 0))
pr_err("admin command failed[%u]\n", comp_status);
- if (unlikely(comp_status > ENA_ADMIN_UNKNOWN_ERROR))
- return -EINVAL;
-
switch (comp_status) {
case ENA_ADMIN_SUCCESS:
return 0;
@@ -540,7 +539,14 @@ static int ena_com_comp_status_to_errno(u8 comp_status)
return -EINVAL;
}
- return 0;
+ return -EINVAL;
+}
+
+static void ena_delay_exponential_backoff_us(u32 exp, u32 delay_us)
+{
+ delay_us = max_t(u32, ENA_MIN_ADMIN_POLL_US, delay_us);
+ delay_us = min_t(u32, delay_us * (1U << exp), ENA_MAX_ADMIN_POLL_US);
+ usleep_range(delay_us, 2 * delay_us);
}
static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx,
@@ -549,6 +555,7 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c
unsigned long flags = 0;
unsigned long timeout;
int ret;
+ u32 exp = 0;
timeout = jiffies + usecs_to_jiffies(admin_queue->completion_timeout);
@@ -572,7 +579,8 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c
goto err;
}
- msleep(ENA_POLL_MS);
+ ena_delay_exponential_backoff_us(exp++,
+ admin_queue->ena_dev->ena_min_poll_delay_us);
}
if (unlikely(comp_ctx->status == ENA_CMD_ABORTED)) {
@@ -702,8 +710,7 @@ static int ena_com_config_llq_info(struct ena_com_dev *ena_dev,
/* The desc list entry size should be whole multiply of 8
* This requirement comes from __iowrite64_copy()
*/
- pr_err("illegal entry size %d\n",
- llq_info->desc_list_entry_size);
+ pr_err("illegal entry size %d\n", llq_info->desc_list_entry_size);
return -EINVAL;
}
@@ -775,7 +782,7 @@ static int ena_com_wait_and_process_admin_cq_interrupts(struct ena_comp_ctx *com
if (admin_queue->auto_polling)
admin_queue->polling = true;
} else {
- pr_err("The ena device doesn't send a completion for the admin cmd %d status %d\n",
+ pr_err("The ena device didn't send a completion for the admin cmd %d status %d\n",
comp_ctx->cmd_opcode, comp_ctx->status);
}
/* Check if shifted to polling mode.
@@ -943,12 +950,13 @@ static void ena_com_io_queue_free(struct ena_com_dev *ena_dev,
static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout,
u16 exp_state)
{
- u32 val, i;
+ u32 val, exp = 0;
+ unsigned long timeout_stamp;
- /* Convert timeout from resolution of 100ms to ENA_POLL_MS */
- timeout = (timeout * 100) / ENA_POLL_MS;
+ /* Convert timeout from resolution of 100ms to us resolution. */
+ timeout_stamp = jiffies + usecs_to_jiffies(100 * 1000 * timeout);
- for (i = 0; i < timeout; i++) {
+ while (1) {
val = ena_com_reg_bar_read32(ena_dev, ENA_REGS_DEV_STS_OFF);
if (unlikely(val == ENA_MMIO_READ_TIMEOUT)) {
@@ -960,10 +968,11 @@ static int wait_for_reset_state(struct ena_com_dev *ena_dev, u32 timeout,
exp_state)
return 0;
- msleep(ENA_POLL_MS);
- }
+ if (time_is_before_jiffies(timeout_stamp))
+ return -ETIME;
- return -ETIME;
+ ena_delay_exponential_backoff_us(exp++, ena_dev->ena_min_poll_delay_us);
+ }
}
static bool ena_com_check_supported_feature_id(struct ena_com_dev *ena_dev,
@@ -1067,16 +1076,10 @@ static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
{
struct ena_rss *rss = &ena_dev->rss;
- struct ena_admin_get_feat_resp get_resp;
- int rc;
- rc = ena_com_get_feature_ex(ena_dev, &get_resp,
- ENA_ADMIN_RSS_HASH_FUNCTION,
- ena_dev->rss.hash_key_dma_addr,
- sizeof(ena_dev->rss.hash_key), 0);
- if (unlikely(rc)) {
+ if (!ena_com_check_supported_feature_id(ena_dev,
+ ENA_ADMIN_RSS_HASH_FUNCTION))
return -EOPNOTSUPP;
- }
rss->hash_key =
dma_alloc_coherent(ena_dev->dmadev, sizeof(*rss->hash_key),
@@ -1290,13 +1293,9 @@ static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev)
static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev,
u16 intr_delay_resolution)
{
- /* Initial value of intr_delay_resolution might be 0 */
- u16 prev_intr_delay_resolution =
- ena_dev->intr_delay_resolution ?
- ena_dev->intr_delay_resolution :
- ENA_DEFAULT_INTR_DELAY_RESOLUTION;
+ u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution;
- if (!intr_delay_resolution) {
+ if (unlikely(!intr_delay_resolution)) {
pr_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n");
intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION;
}
@@ -1450,11 +1449,13 @@ void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev)
{
struct ena_com_admin_queue *admin_queue = &ena_dev->admin_queue;
unsigned long flags = 0;
+ u32 exp = 0;
spin_lock_irqsave(&admin_queue->q_lock, flags);
while (atomic_read(&admin_queue->outstanding_cmds) != 0) {
spin_unlock_irqrestore(&admin_queue->q_lock, flags);
- msleep(ENA_POLL_MS);
+ ena_delay_exponential_backoff_us(exp++,
+ ena_dev->ena_min_poll_delay_us);
spin_lock_irqsave(&admin_queue->q_lock, flags);
}
spin_unlock_irqrestore(&admin_queue->q_lock, flags);
@@ -1802,6 +1803,7 @@ int ena_com_admin_init(struct ena_com_dev *ena_dev,
if (ret)
goto error;
+ admin_queue->ena_dev = ena_dev;
admin_queue->running_state = true;
return 0;
@@ -2009,7 +2011,7 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data)
struct ena_admin_aenq_entry *aenq_e;
struct ena_admin_aenq_common_desc *aenq_common;
struct ena_com_aenq *aenq = &dev->aenq;
- unsigned long long timestamp;
+ u64 timestamp;
ena_aenq_handler handler_cb;
u16 masked_head, processed = 0;
u8 phase;
@@ -2027,9 +2029,8 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data)
*/
dma_rmb();
- timestamp =
- (unsigned long long)aenq_common->timestamp_low |
- ((unsigned long long)aenq_common->timestamp_high << 32);
+ timestamp = (u64)aenq_common->timestamp_low |
+ ((u64)aenq_common->timestamp_high << 32);
pr_debug("AENQ! Group[%x] Syndrom[%x] timestamp: [%llus]\n",
aenq_common->group, aenq_common->syndrom, timestamp);
@@ -2059,8 +2060,7 @@ void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data)
/* write the aenq doorbell after all AENQ descriptors were read */
mb();
- writel_relaxed((u32)aenq->head,
- dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
+ writel_relaxed((u32)aenq->head, dev->reg_bar + ENA_REGS_AENQ_HEAD_DB_OFF);
}
int ena_com_dev_reset(struct ena_com_dev *ena_dev,
@@ -2282,12 +2282,14 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
enum ena_admin_hash_functions func,
const u8 *key, u16 key_len, u32 init_val)
{
- struct ena_rss *rss = &ena_dev->rss;
+ struct ena_admin_feature_rss_flow_hash_control *hash_key;
struct ena_admin_get_feat_resp get_resp;
- struct ena_admin_feature_rss_flow_hash_control *hash_key =
- rss->hash_key;
+ enum ena_admin_hash_functions old_func;
+ struct ena_rss *rss = &ena_dev->rss;
int rc;
+ hash_key = rss->hash_key;
+
/* Make sure size is a mult of DWs */
if (unlikely(key_len & 0x3))
return -EINVAL;
@@ -2299,7 +2301,7 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
if (unlikely(rc))
return rc;
- if (!((1 << func) & get_resp.u.flow_hash_func.supported_func)) {
+ if (!(BIT(func) & get_resp.u.flow_hash_func.supported_func)) {
pr_err("Flow hash function %d isn't supported\n", func);
return -EOPNOTSUPP;
}
@@ -2325,26 +2327,27 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
return -EINVAL;
}
+ old_func = rss->hash_func;
rss->hash_func = func;
rc = ena_com_set_hash_function(ena_dev);
/* Restore the old function */
if (unlikely(rc))
- ena_com_get_hash_function(ena_dev, NULL, NULL);
+ rss->hash_func = old_func;
return rc;
}
int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
- enum ena_admin_hash_functions *func,
- u8 *key)
+ enum ena_admin_hash_functions *func)
{
struct ena_rss *rss = &ena_dev->rss;
struct ena_admin_get_feat_resp get_resp;
- struct ena_admin_feature_rss_flow_hash_control *hash_key =
- rss->hash_key;
int rc;
+ if (unlikely(!func))
+ return -EINVAL;
+
rc = ena_com_get_feature_ex(ena_dev, &get_resp,
ENA_ADMIN_RSS_HASH_FUNCTION,
rss->hash_key_dma_addr,
@@ -2357,8 +2360,15 @@ int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
if (rss->hash_func)
rss->hash_func--;
- if (func)
- *func = rss->hash_func;
+ *func = rss->hash_func;
+
+ return 0;
+}
+
+int ena_com_get_hash_key(struct ena_com_dev *ena_dev, u8 *key)
+{
+ struct ena_admin_feature_rss_flow_hash_control *hash_key =
+ ena_dev->rss.hash_key;
if (key)
memcpy(key, hash_key->key, (size_t)(hash_key->keys_num) << 2);
@@ -2641,10 +2651,10 @@ int ena_com_rss_init(struct ena_com_dev *ena_dev, u16 indr_tbl_log_size)
* ignore this error and have indirection table support only.
*/
rc = ena_com_hash_key_allocate(ena_dev);
- if (unlikely(rc) && rc != -EOPNOTSUPP)
- goto err_hash_key;
- else if (rc != -EOPNOTSUPP)
+ if (likely(!rc))
ena_com_hash_key_fill_default_key(ena_dev);
+ else if (rc != -EOPNOTSUPP)
+ goto err_hash_key;
rc = ena_com_hash_ctrl_init(ena_dev);
if (unlikely(rc))
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index 469f298199a7..bc187adf54e4 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -54,9 +54,9 @@
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#define ENA_MAX_NUM_IO_QUEUES 128U
+#define ENA_MAX_NUM_IO_QUEUES 128U
/* We need to queues for each IO (on for Tx and one for Rx) */
-#define ENA_TOTAL_NUM_QUEUES (2 * (ENA_MAX_NUM_IO_QUEUES))
+#define ENA_TOTAL_NUM_QUEUES (2 * (ENA_MAX_NUM_IO_QUEUES))
#define ENA_MAX_HANDLERS 256
@@ -73,13 +73,15 @@
/*****************************************************************************/
/* ENA adaptive interrupt moderation settings */
-#define ENA_INTR_INITIAL_TX_INTERVAL_USECS 64
-#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0
-#define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1
+#define ENA_INTR_INITIAL_TX_INTERVAL_USECS 64
+#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0
+#define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1
-#define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF
+#define ENA_HASH_KEY_SIZE 40
-#define ENA_FEATURE_MAX_QUEUE_EXT_VER 1
+#define ENA_HW_HINTS_NO_TIMEOUT 0xFFFF
+
+#define ENA_FEATURE_MAX_QUEUE_EXT_VER 1
struct ena_llq_configurations {
enum ena_admin_llq_header_location llq_header_location;
@@ -237,6 +239,7 @@ struct ena_com_stats_admin {
struct ena_com_admin_queue {
void *q_dmadev;
+ struct ena_com_dev *ena_dev;
spinlock_t q_lock; /* spinlock for the admin queue */
struct ena_comp_ctx *comp_ctx;
@@ -349,6 +352,8 @@ struct ena_com_dev {
struct ena_intr_moder_entry *intr_moder_tbl;
struct ena_com_llq_info llq_info;
+
+ u32 ena_min_poll_delay_us;
};
struct ena_com_dev_get_features_ctx {
@@ -393,7 +398,7 @@ struct ena_aenq_handlers {
*/
int ena_com_mmio_reg_read_request_init(struct ena_com_dev *ena_dev);
-/* ena_com_set_mmio_read_mode - Enable/disable the mmio reg read mechanism
+/* ena_com_set_mmio_read_mode - Enable/disable the indirect mmio reg read mechanism
* @ena_dev: ENA communication layer struct
* @readless_supported: readless mode (enable/disable)
*/
@@ -501,18 +506,6 @@ bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev);
*/
void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling);
-/* ena_com_set_admin_polling_mode - Get the admin completion queue polling mode
- * @ena_dev: ENA communication layer struct
- *
- * Get the admin completion mode.
- * If polling mode is on, ena_com_execute_admin_command will perform a
- * polling on the admin completion queue for the commands completion,
- * otherwise it will wait on wait event.
- *
- * @return state
- */
-bool ena_com_get_ena_admin_polling_mode(struct ena_com_dev *ena_dev);
-
/* ena_com_set_admin_auto_polling_mode - Enable autoswitch to polling mode
* @ena_dev: ENA communication layer struct
* @polling: Enable/Disable polling mode
@@ -527,7 +520,7 @@ void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev,
/* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler
* @ena_dev: ENA communication layer struct
*
- * This method go over the admin completion queue and wake up all the pending
+ * This method goes over the admin completion queue and wakes up all the pending
* threads that wait on the commands wait event.
*
* @note: Should be called after MSI-X interrupt.
@@ -537,7 +530,7 @@ void ena_com_admin_q_comp_intr_handler(struct ena_com_dev *ena_dev);
/* ena_com_aenq_intr_handler - AENQ interrupt handler
* @ena_dev: ENA communication layer struct
*
- * This method go over the async event notification queue and call the proper
+ * This method goes over the async event notification queue and calls the proper
* aenq handler.
*/
void ena_com_aenq_intr_handler(struct ena_com_dev *dev, void *data);
@@ -554,14 +547,14 @@ void ena_com_abort_admin_commands(struct ena_com_dev *ena_dev);
/* ena_com_wait_for_abort_completion - Wait for admin commands abort.
* @ena_dev: ENA communication layer struct
*
- * This method wait until all the outstanding admin commands will be completed.
+ * This method waits until all the outstanding admin commands are completed.
*/
void ena_com_wait_for_abort_completion(struct ena_com_dev *ena_dev);
/* ena_com_validate_version - Validate the device parameters
* @ena_dev: ENA communication layer struct
*
- * This method validate the device parameters are the same as the saved
+ * This method verifies the device parameters are the same as the saved
* parameters in ena_dev.
* This method is useful after device reset, to validate the device mac address
* and the device offloads are the same as before the reset.
@@ -695,23 +688,32 @@ int ena_com_fill_hash_function(struct ena_com_dev *ena_dev,
*/
int ena_com_set_hash_function(struct ena_com_dev *ena_dev);
-/* ena_com_get_hash_function - Retrieve the hash function and the hash key
- * from the device.
+/* ena_com_get_hash_function - Retrieve the hash function from the device.
* @ena_dev: ENA communication layer struct
* @func: hash function
- * @key: hash key
*
- * Retrieve the hash function and the hash key from the device.
+ * Retrieve the hash function from the device.
*
- * @note: If the caller called ena_com_fill_hash_function but didn't flash
+ * @note: If the caller called ena_com_fill_hash_function but didn't flush
* it to the device, the new configuration will be lost.
*
* @return: 0 on Success and negative value otherwise.
*/
int ena_com_get_hash_function(struct ena_com_dev *ena_dev,
- enum ena_admin_hash_functions *func,
- u8 *key);
+ enum ena_admin_hash_functions *func);
+/* ena_com_get_hash_key - Retrieve the hash key
+ * @ena_dev: ENA communication layer struct
+ * @key: hash key
+ *
+ * Retrieve the hash key.
+ *
+ * @note: If the caller called ena_com_fill_hash_key but didn't flush
+ * it to the device, the new configuration will be lost.
+ *
+ * @return: 0 on Success and negative value otherwise.
+ */
+int ena_com_get_hash_key(struct ena_com_dev *ena_dev, u8 *key);
/* ena_com_fill_hash_ctrl - Fill RSS hash control
* @ena_dev: ENA communication layer struct.
* @proto: The protocol to configure.
@@ -746,7 +748,7 @@ int ena_com_set_hash_ctrl(struct ena_com_dev *ena_dev);
*
* Retrieve the hash control from the device.
*
- * @note, If the caller called ena_com_fill_hash_ctrl but didn't flash
+ * @note: If the caller called ena_com_fill_hash_ctrl but didn't flush
* it to the device, the new configuration will be lost.
*
* @return: 0 on Success and negative value otherwise.
@@ -798,7 +800,7 @@ int ena_com_indirect_table_set(struct ena_com_dev *ena_dev);
*
* Retrieve the RSS indirection table from the device.
*
- * @note: If the caller called ena_com_indirect_table_fill_entry but didn't flash
+ * @note: If the caller called ena_com_indirect_table_fill_entry but didn't flush
* it to the device, the new configuration will be lost.
*
* @return: 0 on Success and negative value otherwise.
@@ -824,14 +826,14 @@ int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev,
/* ena_com_delete_debug_area - Free the debug area resources.
* @ena_dev: ENA communication layer struct
*
- * Free the allocate debug area.
+ * Free the allocated debug area.
*/
void ena_com_delete_debug_area(struct ena_com_dev *ena_dev);
/* ena_com_delete_host_info - Free the host info resources.
* @ena_dev: ENA communication layer struct
*
- * Free the allocate host info.
+ * Free the allocated host info.
*/
void ena_com_delete_host_info(struct ena_com_dev *ena_dev);
@@ -872,9 +874,9 @@ int ena_com_destroy_io_cq(struct ena_com_dev *ena_dev,
* @cmd_completion: command completion return value.
* @cmd_comp_size: command completion size.
- * Submit an admin command and then wait until the device will return a
+ * Submit an admin command and then wait until the device returns a
* completion.
- * The completion will be copyed into cmd_comp.
+ * The completion will be copied into cmd_comp.
*
* @return - 0 on success, negative value on failure.
*/
@@ -937,7 +939,7 @@ unsigned int ena_com_get_nonadaptive_moderation_interval_rx(struct ena_com_dev *
/* ena_com_config_dev_mode - Configure the placement policy of the device.
* @ena_dev: ENA communication layer struct
* @llq_features: LLQ feature descriptor, retrieve via
- * ena_com_get_dev_attr_feat.
+ * ena_com_get_dev_attr_feat.
* @ena_llq_config: The default driver LLQ parameters configurations
*/
int ena_com_config_dev_mode(struct ena_com_dev *ena_dev,
@@ -963,7 +965,7 @@ static inline void ena_com_disable_adaptive_moderation(struct ena_com_dev *ena_d
* @intr_reg: interrupt register to update.
* @rx_delay_interval: Rx interval in usecs
* @tx_delay_interval: Tx interval in usecs
- * @unmask: unask enable/disable
+ * @unmask: unmask enable/disable
*
* Prepare interrupt update register with the supplied parameters.
*/
diff --git a/drivers/net/ethernet/amazon/ena/ena_common_defs.h b/drivers/net/ethernet/amazon/ena/ena_common_defs.h
index 23beb7e7ed7b..8a8ded0de9ac 100644
--- a/drivers/net/ethernet/amazon/ena/ena_common_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_common_defs.h
@@ -45,4 +45,4 @@ struct ena_common_mem_addr {
u16 reserved16;
};
-#endif /*_ENA_COMMON_H_ */
+#endif /* _ENA_COMMON_H_ */
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
index 2845ac277724..ec8ea25e988d 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c
@@ -519,7 +519,7 @@ int ena_com_rx_pkt(struct ena_com_io_cq *io_cq,
struct ena_eth_io_rx_cdesc_base *cdesc = NULL;
u16 cdesc_idx = 0;
u16 nb_hw_desc;
- u16 i;
+ u16 i = 0;
WARN(io_cq->direction != ENA_COM_IO_QUEUE_DIRECTION_RX, "wrong Q type");
@@ -538,13 +538,19 @@ int ena_com_rx_pkt(struct ena_com_io_cq *io_cq,
return -ENOSPC;
}
- for (i = 0; i < nb_hw_desc; i++) {
+ cdesc = ena_com_rx_cdesc_idx_to_ptr(io_cq, cdesc_idx);
+ ena_rx_ctx->pkt_offset = cdesc->offset;
+
+ do {
+ ena_buf[i].len = cdesc->length;
+ ena_buf[i].req_id = cdesc->req_id;
+
+ if (++i >= nb_hw_desc)
+ break;
+
cdesc = ena_com_rx_cdesc_idx_to_ptr(io_cq, cdesc_idx + i);
- ena_buf->len = cdesc->length;
- ena_buf->req_id = cdesc->req_id;
- ena_buf++;
- }
+ } while (1);
/* Update SQ head ptr */
io_sq->next_to_comp += nb_hw_desc;
@@ -578,10 +584,10 @@ int ena_com_add_single_rx_desc(struct ena_com_io_sq *io_sq,
desc->length = ena_buf->len;
- desc->ctrl = ENA_ETH_IO_RX_DESC_FIRST_MASK;
- desc->ctrl |= ENA_ETH_IO_RX_DESC_LAST_MASK;
- desc->ctrl |= io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK;
- desc->ctrl |= ENA_ETH_IO_RX_DESC_COMP_REQ_MASK;
+ desc->ctrl = ENA_ETH_IO_RX_DESC_FIRST_MASK |
+ ENA_ETH_IO_RX_DESC_LAST_MASK |
+ (io_sq->phase & ENA_ETH_IO_RX_DESC_PHASE_MASK) |
+ ENA_ETH_IO_RX_DESC_COMP_REQ_MASK;
desc->req_id = req_id;
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.h b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
index 77986c0ea52c..8b1afd3b32f2 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.h
@@ -73,6 +73,7 @@ struct ena_com_rx_ctx {
u32 hash;
u16 descs;
int max_bufs;
+ u8 pkt_offset;
};
int ena_com_prepare_tx(struct ena_com_io_sq *io_sq,
@@ -95,7 +96,7 @@ static inline void ena_com_unmask_intr(struct ena_com_io_cq *io_cq,
writel(intr_reg->intr_control, io_cq->unmask_reg);
}
-static inline int ena_com_free_desc(struct ena_com_io_sq *io_sq)
+static inline int ena_com_free_q_entries(struct ena_com_io_sq *io_sq)
{
u16 tail, next_to_comp, cnt;
@@ -113,7 +114,7 @@ static inline bool ena_com_sq_have_enough_space(struct ena_com_io_sq *io_sq,
int temp;
if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST)
- return ena_com_free_desc(io_sq) >= required_buffers;
+ return ena_com_free_q_entries(io_sq) >= required_buffers;
/* This calculation doesn't need to be 100% accurate. So to reduce
* the calculation overhead just Subtract 2 lines from the free descs
@@ -122,7 +123,7 @@ static inline bool ena_com_sq_have_enough_space(struct ena_com_io_sq *io_sq,
*/
temp = required_buffers / io_sq->llq_info.descs_per_entry + 2;
- return ena_com_free_desc(io_sq) > temp;
+ return ena_com_free_q_entries(io_sq) > temp;
}
static inline bool ena_com_meta_desc_changed(struct ena_com_io_sq *io_sq,
diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_io_defs.h b/drivers/net/ethernet/amazon/ena/ena_eth_io_defs.h
index 00e0f056a741..d105c9c56192 100644
--- a/drivers/net/ethernet/amazon/ena/ena_eth_io_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_eth_io_defs.h
@@ -264,7 +264,9 @@ struct ena_eth_io_rx_cdesc_base {
u16 sub_qid;
- u16 reserved;
+ u8 offset;
+
+ u8 reserved;
};
/* 8-word format */
@@ -412,4 +414,4 @@ struct ena_eth_io_numa_node_cfg_reg {
#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_SHIFT 31
#define ENA_ETH_IO_NUMA_NODE_CFG_REG_ENABLED_MASK BIT(31)
-#endif /*_ENA_ETH_IO_H_ */
+#endif /* _ENA_ETH_IO_H_ */
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
index 9cc28b4b2627..e340b65af08c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c
+++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c
@@ -83,6 +83,7 @@ static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(bad_req_id),
ENA_STAT_TX_ENTRY(llq_buffer_copy),
ENA_STAT_TX_ENTRY(missed_tx),
+ ENA_STAT_TX_ENTRY(unmask_interrupt),
};
static const struct ena_stats ena_stats_rx_strings[] = {
@@ -205,7 +206,7 @@ int ena_get_sset_count(struct net_device *netdev, int sset)
if (sset != ETH_SS_STATS)
return -EOPNOTSUPP;
- return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
+ return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
+ ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
}
@@ -259,7 +260,6 @@ static void ena_get_strings(struct net_device *netdev, u32 sset, u8 *data)
for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
ena_stats = &ena_stats_global_strings[i];
-
memcpy(data, ena_stats->name, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
@@ -306,10 +306,8 @@ static int ena_get_coalesce(struct net_device *net_dev,
struct ena_adapter *adapter = netdev_priv(net_dev);
struct ena_com_dev *ena_dev = adapter->ena_dev;
- if (!ena_com_interrupt_moderation_supported(ena_dev)) {
- /* the devie doesn't support interrupt moderation */
+ if (!ena_com_interrupt_moderation_supported(ena_dev))
return -EOPNOTSUPP;
- }
coalesce->tx_coalesce_usecs =
ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) *
@@ -325,7 +323,7 @@ static int ena_get_coalesce(struct net_device *net_dev,
return 0;
}
-static void ena_update_tx_rings_intr_moderation(struct ena_adapter *adapter)
+static void ena_update_tx_rings_nonadaptive_intr_moderation(struct ena_adapter *adapter)
{
unsigned int val;
int i;
@@ -336,7 +334,7 @@ static void ena_update_tx_rings_intr_moderation(struct ena_adapter *adapter)
adapter->tx_ring[i].smoothed_interval = val;
}
-static void ena_update_rx_rings_intr_moderation(struct ena_adapter *adapter)
+static void ena_update_rx_rings_nonadaptive_intr_moderation(struct ena_adapter *adapter)
{
unsigned int val;
int i;
@@ -354,24 +352,22 @@ static int ena_set_coalesce(struct net_device *net_dev,
struct ena_com_dev *ena_dev = adapter->ena_dev;
int rc;
- if (!ena_com_interrupt_moderation_supported(ena_dev)) {
- /* the devie doesn't support interrupt moderation */
+ if (!ena_com_interrupt_moderation_supported(ena_dev))
return -EOPNOTSUPP;
- }
rc = ena_com_update_nonadaptive_moderation_interval_tx(ena_dev,
coalesce->tx_coalesce_usecs);
if (rc)
return rc;
- ena_update_tx_rings_intr_moderation(adapter);
+ ena_update_tx_rings_nonadaptive_intr_moderation(adapter);
rc = ena_com_update_nonadaptive_moderation_interval_rx(ena_dev,
coalesce->rx_coalesce_usecs);
if (rc)
return rc;
- ena_update_rx_rings_intr_moderation(adapter);
+ ena_update_rx_rings_nonadaptive_intr_moderation(adapter);
if (coalesce->use_adaptive_rx_coalesce &&
!ena_com_get_adaptive_moderation_enabled(ena_dev))
@@ -635,6 +631,32 @@ static u32 ena_get_rxfh_key_size(struct net_device *netdev)
return ENA_HASH_KEY_SIZE;
}
+static int ena_indirection_table_set(struct ena_adapter *adapter,
+ const u32 *indir)
+{
+ struct ena_com_dev *ena_dev = adapter->ena_dev;
+ int i, rc;
+
+ for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
+ rc = ena_com_indirect_table_fill_entry(ena_dev,
+ i,
+ ENA_IO_RXQ_IDX(indir[i]));
+ if (unlikely(rc)) {
+ netif_err(adapter, drv, adapter->netdev,
+ "Cannot fill indirect table (index is too large)\n");
+ return rc;
+ }
+ }
+
+ rc = ena_com_indirect_table_set(ena_dev);
+ if (rc) {
+ netif_err(adapter, drv, adapter->netdev,
+ "Cannot set indirect table\n");
+ return rc == -EPERM ? -EOPNOTSUPP : rc;
+ }
+ return rc;
+}
+
static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir)
{
struct ena_com_dev *ena_dev = adapter->ena_dev;
@@ -672,17 +694,18 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
/* We call this function in order to check if the device
* supports getting/setting the hash function.
*/
- rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key);
+ rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func);
if (rc) {
- if (rc == -EOPNOTSUPP) {
- key = NULL;
- hfunc = NULL;
+ if (rc == -EOPNOTSUPP)
rc = 0;
- }
return rc;
}
+ rc = ena_com_get_hash_key(adapter->ena_dev, key);
+ if (rc)
+ return rc;
+
switch (ena_func) {
case ENA_ADMIN_TOEPLITZ:
func = ETH_RSS_HASH_TOP;
@@ -699,7 +722,7 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
if (hfunc)
*hfunc = func;
- return rc;
+ return 0;
}
static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
@@ -707,27 +730,13 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
{
struct ena_adapter *adapter = netdev_priv(netdev);
struct ena_com_dev *ena_dev = adapter->ena_dev;
- enum ena_admin_hash_functions func;
- int rc, i;
+ enum ena_admin_hash_functions func = 0;
+ int rc;
if (indir) {
- for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; i++) {
- rc = ena_com_indirect_table_fill_entry(ena_dev,
- i,
- ENA_IO_RXQ_IDX(indir[i]));
- if (unlikely(rc)) {
- netif_err(adapter, drv, netdev,
- "Cannot fill indirect table (index is too large)\n");
- return rc;
- }
- }
-
- rc = ena_com_indirect_table_set(ena_dev);
- if (rc) {
- netif_err(adapter, drv, netdev,
- "Cannot set indirect table\n");
- return rc == -EPERM ? -EOPNOTSUPP : rc;
- }
+ rc = ena_indirection_table_set(adapter, indir);
+ if (rc)
+ return rc;
}
switch (hfunc) {
@@ -746,7 +755,7 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir,
return -EOPNOTSUPP;
}
- if (key) {
+ if (key || func) {
rc = ena_com_fill_hash_function(ena_dev, func, key,
ENA_HASH_KEY_SIZE,
0xFFFFFFFF);
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 2cc765df8da3..a0af74c93971 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -263,7 +263,7 @@ static int ena_xdp_tx_map_buff(struct ena_ring *xdp_ring,
dma_addr_t dma = 0;
u32 size;
- tx_info->xdpf = convert_to_xdp_frame(xdp);
+ tx_info->xdpf = xdp_convert_buff_to_frame(xdp);
size = tx_info->xdpf->len;
ena_buf = tx_info->bufs;
@@ -1435,6 +1435,8 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring,
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_info->page,
rx_info->page_offset, len, ENA_PAGE_SIZE);
+ /* The offset is non zero only for the first buffer */
+ rx_info->page_offset = 0;
netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
"rx skb updated. len %d. data_len %d\n",
@@ -1590,6 +1592,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
{
u16 next_to_clean = rx_ring->next_to_clean;
struct ena_com_rx_ctx ena_rx_ctx;
+ struct ena_rx_buffer *rx_info;
struct ena_adapter *adapter;
u32 res_budget, work_done;
int rx_copybreak_pkt = 0;
@@ -1606,6 +1609,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
"%s qid %d\n", __func__, rx_ring->qid);
res_budget = budget;
xdp.rxq = &rx_ring->xdp_rxq;
+ xdp.frame_sz = ENA_PAGE_SIZE;
do {
xdp_verdict = XDP_PASS;
@@ -1613,6 +1617,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
ena_rx_ctx.ena_bufs = rx_ring->ena_bufs;
ena_rx_ctx.max_bufs = rx_ring->sgl_size;
ena_rx_ctx.descs = 0;
+ ena_rx_ctx.pkt_offset = 0;
rc = ena_com_rx_pkt(rx_ring->ena_com_io_cq,
rx_ring->ena_com_io_sq,
&ena_rx_ctx);
@@ -1622,6 +1627,9 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
if (unlikely(ena_rx_ctx.descs == 0))
break;
+ rx_info = &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id];
+ rx_info->page_offset = ena_rx_ctx.pkt_offset;
+
netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev,
"rx_poll: q %d got packet from ena. descs #: %d l3 proto %d l4 proto %d hash: %x\n",
rx_ring->qid, ena_rx_ctx.descs, ena_rx_ctx.l3_proto,
@@ -1683,7 +1691,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi,
rx_ring->next_to_clean = next_to_clean;
- refill_required = ena_com_free_desc(rx_ring->ena_com_io_sq);
+ refill_required = ena_com_free_q_entries(rx_ring->ena_com_io_sq);
refill_threshold =
min_t(int, rx_ring->ring_size / ENA_RX_REFILL_THRESH_DIVIDER,
ENA_RX_REFILL_THRESH_PACKET);
@@ -1762,6 +1770,9 @@ static void ena_unmask_interrupt(struct ena_ring *tx_ring,
tx_ring->smoothed_interval,
true);
+ u64_stats_update_begin(&tx_ring->syncp);
+ tx_ring->tx_stats.unmask_interrupt++;
+ u64_stats_update_end(&tx_ring->syncp);
/* It is a shared MSI-X.
* Tx and Rx CQ have pointer to it.
* So we use one of them to reach the intr reg
@@ -2231,7 +2242,7 @@ static int ena_rss_configure(struct ena_adapter *adapter)
rc = ena_rss_init_default(adapter);
if (rc && (rc != -EOPNOTSUPP)) {
netif_err(adapter, ifup, adapter->netdev,
- "Failed to init RSS rc: %d\n", rc);
+ "Failed to init RSS rc: %d\n", rc);
return rc;
}
}
@@ -2304,7 +2315,7 @@ static int ena_create_io_tx_queue(struct ena_adapter *adapter, int qid)
if (rc) {
netif_err(adapter, ifup, adapter->netdev,
"Failed to create I/O TX queue num %d rc: %d\n",
- qid, rc);
+ qid, rc);
return rc;
}
@@ -2453,7 +2464,7 @@ static int create_queues_with_size_backoff(struct ena_adapter *adapter)
* ones due to past queue allocation failures.
*/
set_io_rings_size(adapter, adapter->requested_tx_ring_size,
- adapter->requested_rx_ring_size);
+ adapter->requested_rx_ring_size);
while (1) {
if (ena_xdp_present(adapter)) {
@@ -2494,7 +2505,7 @@ err_setup_tx:
if (rc != -ENOMEM) {
netif_err(adapter, ifup, adapter->netdev,
"Queue creation failed with error code %d\n",
- rc);
+ rc);
return rc;
}
@@ -2517,7 +2528,7 @@ err_setup_tx:
new_rx_ring_size = cur_rx_ring_size / 2;
if (new_tx_ring_size < ENA_MIN_RING_SIZE ||
- new_rx_ring_size < ENA_MIN_RING_SIZE) {
+ new_rx_ring_size < ENA_MIN_RING_SIZE) {
netif_err(adapter, ifup, adapter->netdev,
"Queue creation failed with the smallest possible queue size of %d for both queues. Not retrying with smaller queues\n",
ENA_MIN_RING_SIZE);
@@ -3076,8 +3087,7 @@ static u16 ena_select_queue(struct net_device *dev, struct sk_buff *skb,
return qid;
}
-static void ena_config_host_info(struct ena_com_dev *ena_dev,
- struct pci_dev *pdev)
+static void ena_config_host_info(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
{
struct ena_admin_host_info *host_info;
int rc;
@@ -3107,6 +3117,7 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev,
host_info->num_cpus = num_online_cpus();
host_info->driver_supported_features =
+ ENA_ADMIN_HOST_INFO_RX_OFFSET_MASK |
ENA_ADMIN_HOST_INFO_INTERRUPT_MODERATION_MASK;
rc = ena_com_set_host_attributes(ena_dev);
@@ -3169,6 +3180,7 @@ static void ena_get_stats64(struct net_device *netdev,
struct ena_ring *rx_ring, *tx_ring;
unsigned int start;
u64 rx_drops;
+ u64 tx_drops;
int i;
if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
@@ -3203,9 +3215,11 @@ static void ena_get_stats64(struct net_device *netdev,
do {
start = u64_stats_fetch_begin_irq(&adapter->syncp);
rx_drops = adapter->dev_stats.rx_drops;
+ tx_drops = adapter->dev_stats.tx_drops;
} while (u64_stats_fetch_retry_irq(&adapter->syncp, start));
stats->rx_dropped = rx_drops;
+ stats->tx_dropped = tx_drops;
stats->multicast = 0;
stats->collisions = 0;
@@ -3433,6 +3447,7 @@ static void ena_destroy_device(struct ena_adapter *adapter, bool graceful)
ena_com_mmio_reg_read_request_destroy(ena_dev);
+ /* return reset reason to default value */
adapter->reset_reason = ENA_REGS_RESET_NORMAL;
clear_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags);
@@ -3678,8 +3693,7 @@ static void check_for_empty_rx_ring(struct ena_adapter *adapter)
for (i = 0; i < adapter->num_io_queues; i++) {
rx_ring = &adapter->rx_ring[i];
- refill_required =
- ena_com_free_desc(rx_ring->ena_com_io_sq);
+ refill_required = ena_com_free_q_entries(rx_ring->ena_com_io_sq);
if (unlikely(refill_required == (rx_ring->ring_size - 1))) {
rx_ring->empty_rx_queue++;
@@ -3817,11 +3831,11 @@ static void ena_timer_service(struct timer_list *t)
mod_timer(&adapter->timer_service, round_jiffies(jiffies + HZ));
}
-static int ena_calc_max_io_queue_num(struct pci_dev *pdev,
+static u32 ena_calc_max_io_queue_num(struct pci_dev *pdev,
struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
- int io_tx_sq_num, io_tx_cq_num, io_rx_num, max_num_io_queues;
+ u32 io_tx_sq_num, io_tx_cq_num, io_rx_num, max_num_io_queues;
if (ena_dev->supported_features & BIT(ENA_ADMIN_MAX_QUEUES_EXT)) {
struct ena_admin_queue_ext_feature_fields *max_queue_ext =
@@ -3991,7 +4005,7 @@ static int ena_rss_init_default(struct ena_adapter *adapter)
}
}
- rc = ena_com_fill_hash_function(ena_dev, ENA_ADMIN_CRC32, NULL,
+ rc = ena_com_fill_hash_function(ena_dev, ENA_ADMIN_TOEPLITZ, NULL,
ENA_HASH_KEY_SIZE, 0xFFFFFFFF);
if (unlikely(rc && (rc != -EOPNOTSUPP))) {
dev_err(dev, "Cannot fill hash function\n");
@@ -4107,8 +4121,8 @@ static int ena_calc_io_queue_size(struct ena_calc_queue_size_ctx *ctx)
*/
static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
- struct ena_com_dev_get_features_ctx get_feat_ctx;
struct ena_calc_queue_size_ctx calc_queue_ctx = { 0 };
+ struct ena_com_dev_get_features_ctx get_feat_ctx;
struct ena_llq_configurations llq_config;
struct ena_com_dev *ena_dev = NULL;
struct ena_adapter *adapter;
@@ -4152,6 +4166,8 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_free_region;
}
+ ena_dev->ena_min_poll_delay_us = ENA_ADMIN_POLL_DELAY_US;
+
ena_dev->dmadev = &pdev->dev;
rc = ena_device_init(ena_dev, pdev, &get_feat_ctx, &wd_state);
@@ -4175,7 +4191,7 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
calc_queue_ctx.get_feat_ctx = &get_feat_ctx;
calc_queue_ctx.pdev = pdev;
- /* Initial Tx and RX interrupt delay. Assumes 1 usec granularity.
+ /* Initial TX and RX interrupt delay. Assumes 1 usec granularity.
* Updated during device initialization with the real granularity
*/
ena_dev->intr_moder_tx_interval = ENA_INTR_INITIAL_TX_INTERVAL_USECS;
@@ -4219,12 +4235,11 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->num_io_queues = max_num_io_queues;
adapter->max_num_io_queues = max_num_io_queues;
+ adapter->last_monitored_tx_qid = 0;
adapter->xdp_first_ring = 0;
adapter->xdp_num_queues = 0;
- adapter->last_monitored_tx_qid = 0;
-
adapter->rx_copybreak = ENA_DEFAULT_RX_COPYBREAK;
adapter->wd_state = wd_state;
@@ -4356,6 +4371,7 @@ static void __ena_shutoff(struct pci_dev *pdev, bool shutdown)
cancel_work_sync(&adapter->reset_task);
rtnl_lock(); /* lock released inside the below if-else block */
+ adapter->reset_reason = ENA_REGS_RESET_SHUTDOWN;
ena_destroy_device(adapter, true);
if (shutdown) {
netif_device_detach(netdev);
@@ -4514,14 +4530,17 @@ static void ena_keep_alive_wd(void *adapter_data,
struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
struct ena_admin_aenq_keep_alive_desc *desc;
u64 rx_drops;
+ u64 tx_drops;
desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
adapter->last_keep_alive_jiffies = jiffies;
rx_drops = ((u64)desc->rx_drops_high << 32) | desc->rx_drops_low;
+ tx_drops = ((u64)desc->tx_drops_high << 32) | desc->tx_drops_low;
u64_stats_update_begin(&adapter->syncp);
adapter->dev_stats.rx_drops = rx_drops;
+ adapter->dev_stats.tx_drops = tx_drops;
u64_stats_update_end(&adapter->syncp);
}
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h
index 97dfd0c67e84..ba030d260940 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.h
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h
@@ -50,12 +50,6 @@
#define DRV_MODULE_GEN_SUBMINOR 0
#define DRV_MODULE_NAME "ena"
-#ifndef DRV_MODULE_GENERATION
-#define DRV_MODULE_GENERATION \
- __stringify(DRV_MODULE_GEN_MAJOR) "." \
- __stringify(DRV_MODULE_GEN_MINOR) "." \
- __stringify(DRV_MODULE_GEN_SUBMINOR) "K"
-#endif
#define DEVICE_NAME "Elastic Network Adapter (ENA)"
@@ -69,7 +63,7 @@
* 16kB.
*/
#if PAGE_SIZE > SZ_16K
-#define ENA_PAGE_SIZE SZ_16K
+#define ENA_PAGE_SIZE (_AC(SZ_16K, UL))
#else
#define ENA_PAGE_SIZE PAGE_SIZE
#endif
@@ -104,8 +98,6 @@
#define ENA_RX_RSS_TABLE_LOG_SIZE 7
#define ENA_RX_RSS_TABLE_SIZE (1 << ENA_RX_RSS_TABLE_LOG_SIZE)
-#define ENA_HASH_KEY_SIZE 40
-
/* The number of tx packet completions that will be handled each NAPI poll
* cycle is ring_size / ENA_TX_POLL_BUDGET_DIVIDER.
*/
@@ -137,6 +129,8 @@
#define ENA_IO_IRQ_FIRST_IDX 1
#define ENA_IO_IRQ_IDX(q) (ENA_IO_IRQ_FIRST_IDX + (q))
+#define ENA_ADMIN_POLL_DELAY_US 100
+
/* ENA device should send keep alive msg every 1 sec.
* We wait for 6 sec just to be on the safe side.
*/
@@ -151,8 +145,9 @@
* The buffer size we share with the device is defined to be ENA_PAGE_SIZE
*/
-#define ENA_XDP_MAX_MTU (ENA_PAGE_SIZE - ETH_HLEN - ETH_FCS_LEN - \
- VLAN_HLEN - XDP_PACKET_HEADROOM)
+#define ENA_XDP_MAX_MTU (ENA_PAGE_SIZE - ETH_HLEN - ETH_FCS_LEN - \
+ VLAN_HLEN - XDP_PACKET_HEADROOM - \
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
#define ENA_IS_XDP_INDEX(adapter, index) (((index) >= (adapter)->xdp_first_ring) && \
((index) < (adapter)->xdp_first_ring + (adapter)->xdp_num_queues))
@@ -248,6 +243,7 @@ struct ena_stats_tx {
u64 bad_req_id;
u64 llq_buffer_copy;
u64 missed_tx;
+ u64 unmask_interrupt;
};
struct ena_stats_rx {
@@ -333,6 +329,7 @@ struct ena_stats_dev {
u64 interface_down;
u64 admin_q_pause;
u64 rx_drops;
+ u64 tx_drops;
};
enum ena_flags_t {
diff --git a/drivers/net/ethernet/amazon/ena/ena_regs_defs.h b/drivers/net/ethernet/amazon/ena/ena_regs_defs.h
index 04fcafcc059c..b514bb1b855d 100644
--- a/drivers/net/ethernet/amazon/ena/ena_regs_defs.h
+++ b/drivers/net/ethernet/amazon/ena/ena_regs_defs.h
@@ -154,4 +154,4 @@ enum ena_regs_reset_reason_types {
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_SHIFT 16
#define ENA_REGS_RSS_IND_ENTRY_UPDATE_CQ_IDX_MASK 0xffff0000
-#endif /*_ENA_REGS_H_ */
+#endif /* _ENA_REGS_H_ */
diff --git a/drivers/net/ethernet/amd/7990.c b/drivers/net/ethernet/amd/7990.c
index cf3562e82ca9..50fb66369415 100644
--- a/drivers/net/ethernet/amd/7990.c
+++ b/drivers/net/ethernet/amd/7990.c
@@ -536,7 +536,7 @@ void lance_tx_timeout(struct net_device *dev, unsigned int txqueue)
}
EXPORT_SYMBOL_GPL(lance_tx_timeout);
-int lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
+netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct lance_private *lp = netdev_priv(dev);
volatile struct lance_init_block *ib = lp->init_block;
diff --git a/drivers/net/ethernet/amd/7990.h b/drivers/net/ethernet/amd/7990.h
index 8266b3c1fefc..e53551daeea1 100644
--- a/drivers/net/ethernet/amd/7990.h
+++ b/drivers/net/ethernet/amd/7990.h
@@ -241,7 +241,7 @@ struct lance_private {
/* Now the prototypes we export */
int lance_open(struct net_device *dev);
int lance_close(struct net_device *dev);
-int lance_start_xmit(struct sk_buff *skb, struct net_device *dev);
+netdev_tx_t lance_start_xmit(struct sk_buff *skb, struct net_device *dev);
void lance_set_multicast(struct net_device *dev);
void lance_tx_timeout(struct net_device *dev, unsigned int txqueue);
#ifdef CONFIG_NET_POLL_CONTROLLER
diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c
index 4e36122609a3..961796abab35 100644
--- a/drivers/net/ethernet/amd/atarilance.c
+++ b/drivers/net/ethernet/amd/atarilance.c
@@ -156,7 +156,7 @@ struct lance_memory {
struct lance_init_block init;
struct lance_tx_head tx_head[TX_RING_SIZE];
struct lance_rx_head rx_head[RX_RING_SIZE];
- char packet_area[0]; /* packet data follow after the
+ char packet_area[]; /* packet data follow after the
* init block and the ring
* descriptors and are located
* at runtime */
diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c
index a58185b1d8bf..3e3711b60d01 100644
--- a/drivers/net/ethernet/apple/bmac.c
+++ b/drivers/net/ethernet/apple/bmac.c
@@ -1182,7 +1182,7 @@ bmac_get_station_address(struct net_device *dev, unsigned char *ea)
int i;
unsigned short data;
- for (i = 0; i < 6; i++)
+ for (i = 0; i < 3; i++)
{
reset_and_select_srom(dev);
data = read_srom(dev, i + EnetAddressOffset/2, SROMAddressBits);
diff --git a/drivers/net/ethernet/aquantia/atlantic/Makefile b/drivers/net/ethernet/aquantia/atlantic/Makefile
index 8b555665a33a..130a105d03f3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/Makefile
+++ b/drivers/net/ethernet/aquantia/atlantic/Makefile
@@ -25,6 +25,10 @@ atlantic-objs := aq_main.o \
hw_atl/hw_atl_utils.o \
hw_atl/hw_atl_utils_fw2x.o \
hw_atl/hw_atl_llh.o \
+ hw_atl2/hw_atl2.o \
+ hw_atl2/hw_atl2_utils.o \
+ hw_atl2/hw_atl2_utils_fw.o \
+ hw_atl2/hw_atl2_llh.o \
macsec/macsec_api.o
atlantic-$(CONFIG_MACSEC) += aq_macsec.o
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
index 7560f5506e55..52b9833fda99 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
@@ -80,8 +80,8 @@
#define AQ_CFG_LOCK_TRYS 100U
-#define AQ_CFG_DRV_AUTHOR "aQuantia"
-#define AQ_CFG_DRV_DESC "aQuantia Corporation(R) Network Driver"
+#define AQ_CFG_DRV_AUTHOR "Marvell"
+#define AQ_CFG_DRV_DESC "Marvell (Aquantia) Corporation(R) Network Driver"
#define AQ_CFG_DRV_NAME "atlantic"
#endif /* AQ_CFG_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_common.h b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
index c8c402b013bb..52ad9433cabc 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_common.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_common.h
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File aq_common.h: Basic includes for all files in project. */
@@ -37,22 +38,31 @@
#define AQ_DEVICE_ID_AQC111S 0x91B1
#define AQ_DEVICE_ID_AQC112S 0x92B1
-#define HW_ATL_NIC_NAME "aQuantia AQtion 10Gbit Network Adapter"
+#define AQ_DEVICE_ID_AQC113DEV 0x00C0
+#define AQ_DEVICE_ID_AQC113CS 0x94C0
+#define AQ_DEVICE_ID_AQC114CS 0x93C0
+#define AQ_DEVICE_ID_AQC113 0x04C0
+#define AQ_DEVICE_ID_AQC113C 0x14C0
+#define AQ_DEVICE_ID_AQC115C 0x12C0
+
+#define HW_ATL_NIC_NAME "Marvell (aQuantia) AQtion 10Gbit Network Adapter"
#define AQ_HWREV_ANY 0
#define AQ_HWREV_1 1
#define AQ_HWREV_2 2
-#define AQ_NIC_RATE_10G BIT(0)
-#define AQ_NIC_RATE_5G BIT(1)
-#define AQ_NIC_RATE_5GSR BIT(2)
-#define AQ_NIC_RATE_2GS BIT(3)
-#define AQ_NIC_RATE_1G BIT(4)
-#define AQ_NIC_RATE_100M BIT(5)
-
-#define AQ_NIC_RATE_EEE_10G BIT(6)
-#define AQ_NIC_RATE_EEE_5G BIT(7)
-#define AQ_NIC_RATE_EEE_2GS BIT(8)
-#define AQ_NIC_RATE_EEE_1G BIT(9)
+#define AQ_NIC_RATE_10G BIT(0)
+#define AQ_NIC_RATE_5G BIT(1)
+#define AQ_NIC_RATE_5GSR BIT(2)
+#define AQ_NIC_RATE_2G5 BIT(3)
+#define AQ_NIC_RATE_1G BIT(4)
+#define AQ_NIC_RATE_100M BIT(5)
+#define AQ_NIC_RATE_10M BIT(6)
+
+#define AQ_NIC_RATE_EEE_10G BIT(7)
+#define AQ_NIC_RATE_EEE_5G BIT(8)
+#define AQ_NIC_RATE_EEE_2G5 BIT(9)
+#define AQ_NIC_RATE_EEE_1G BIT(10)
+#define AQ_NIC_RATE_EEE_100M BIT(11)
#endif /* AQ_COMMON_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index 7241cf92b43a..743d3b13b39d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -88,13 +88,13 @@ static const char aq_ethtool_stat_names[][ETH_GSTRING_LEN] = {
"InDroppedDma",
};
-static const char aq_ethtool_queue_stat_names[][ETH_GSTRING_LEN] = {
- "Queue[%d] InPackets",
- "Queue[%d] OutPackets",
- "Queue[%d] Restarts",
- "Queue[%d] InJumboPackets",
- "Queue[%d] InLroPackets",
- "Queue[%d] InErrors",
+static const char * const aq_ethtool_queue_stat_names[] = {
+ "%sQueue[%d] InPackets",
+ "%sQueue[%d] OutPackets",
+ "%sQueue[%d] Restarts",
+ "%sQueue[%d] InJumboPackets",
+ "%sQueue[%d] InLroPackets",
+ "%sQueue[%d] InErrors",
};
#if IS_ENABLED(CONFIG_MACSEC)
@@ -166,7 +166,8 @@ static u32 aq_ethtool_n_stats(struct net_device *ndev)
struct aq_nic_s *nic = netdev_priv(ndev);
struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(nic);
u32 n_stats = ARRAY_SIZE(aq_ethtool_stat_names) +
- ARRAY_SIZE(aq_ethtool_queue_stat_names) * cfg->vecs;
+ ARRAY_SIZE(aq_ethtool_queue_stat_names) * cfg->vecs *
+ cfg->tcs;
#if IS_ENABLED(CONFIG_MACSEC)
if (nic->macsec_cfg) {
@@ -223,7 +224,7 @@ static void aq_ethtool_get_drvinfo(struct net_device *ndev,
static void aq_ethtool_get_strings(struct net_device *ndev,
u32 stringset, u8 *data)
{
- struct aq_nic_s *aq_nic = netdev_priv(ndev);
+ struct aq_nic_s *nic = netdev_priv(ndev);
struct aq_nic_cfg_s *cfg;
u8 *p = data;
int i, si;
@@ -231,24 +232,35 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
int sa;
#endif
- cfg = aq_nic_get_cfg(aq_nic);
+ cfg = aq_nic_get_cfg(nic);
switch (stringset) {
- case ETH_SS_STATS:
+ case ETH_SS_STATS: {
+ const int stat_cnt = ARRAY_SIZE(aq_ethtool_queue_stat_names);
+ char tc_string[8];
+ int tc;
+
+ memset(tc_string, 0, sizeof(tc_string));
memcpy(p, aq_ethtool_stat_names,
sizeof(aq_ethtool_stat_names));
p = p + sizeof(aq_ethtool_stat_names);
- for (i = 0; i < cfg->vecs; i++) {
- for (si = 0;
- si < ARRAY_SIZE(aq_ethtool_queue_stat_names);
- si++) {
- snprintf(p, ETH_GSTRING_LEN,
- aq_ethtool_queue_stat_names[si], i);
- p += ETH_GSTRING_LEN;
+
+ for (tc = 0; tc < cfg->tcs; tc++) {
+ if (cfg->is_qos)
+ snprintf(tc_string, 8, "TC%d ", tc);
+
+ for (i = 0; i < cfg->vecs; i++) {
+ for (si = 0; si < stat_cnt; si++) {
+ snprintf(p, ETH_GSTRING_LEN,
+ aq_ethtool_queue_stat_names[si],
+ tc_string,
+ AQ_NIC_CFG_TCVEC2RING(cfg, tc, i));
+ p += ETH_GSTRING_LEN;
+ }
}
}
#if IS_ENABLED(CONFIG_MACSEC)
- if (!aq_nic->macsec_cfg)
+ if (!nic->macsec_cfg)
break;
memcpy(p, aq_macsec_stat_names, sizeof(aq_macsec_stat_names));
@@ -256,7 +268,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
for (i = 0; i < AQ_MACSEC_MAX_SC; i++) {
struct aq_macsec_txsc *aq_txsc;
- if (!(test_bit(i, &aq_nic->macsec_cfg->txsc_idx_busy)))
+ if (!(test_bit(i, &nic->macsec_cfg->txsc_idx_busy)))
continue;
for (si = 0;
@@ -266,7 +278,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
aq_macsec_txsc_stat_names[si], i);
p += ETH_GSTRING_LEN;
}
- aq_txsc = &aq_nic->macsec_cfg->aq_txsc[i];
+ aq_txsc = &nic->macsec_cfg->aq_txsc[i];
for (sa = 0; sa < MACSEC_NUM_AN; sa++) {
if (!(test_bit(sa, &aq_txsc->tx_sa_idx_busy)))
continue;
@@ -283,10 +295,10 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
for (i = 0; i < AQ_MACSEC_MAX_SC; i++) {
struct aq_macsec_rxsc *aq_rxsc;
- if (!(test_bit(i, &aq_nic->macsec_cfg->rxsc_idx_busy)))
+ if (!(test_bit(i, &nic->macsec_cfg->rxsc_idx_busy)))
continue;
- aq_rxsc = &aq_nic->macsec_cfg->aq_rxsc[i];
+ aq_rxsc = &nic->macsec_cfg->aq_rxsc[i];
for (sa = 0; sa < MACSEC_NUM_AN; sa++) {
if (!(test_bit(sa, &aq_rxsc->rx_sa_idx_busy)))
continue;
@@ -302,6 +314,7 @@ static void aq_ethtool_get_strings(struct net_device *ndev,
}
#endif
break;
+ }
case ETH_SS_PRIV_FLAGS:
memcpy(p, aq_ethtool_priv_flag_names,
sizeof(aq_ethtool_priv_flag_names));
@@ -605,12 +618,15 @@ static enum hw_atl_fw2x_rate eee_mask_to_ethtool_mask(u32 speed)
if (speed & AQ_NIC_RATE_EEE_10G)
rate |= SUPPORTED_10000baseT_Full;
- if (speed & AQ_NIC_RATE_EEE_2GS)
+ if (speed & AQ_NIC_RATE_EEE_2G5)
rate |= SUPPORTED_2500baseX_Full;
if (speed & AQ_NIC_RATE_EEE_1G)
rate |= SUPPORTED_1000baseT_Full;
+ if (speed & AQ_NIC_RATE_EEE_100M)
+ rate |= SUPPORTED_100baseT_Full;
+
return rate;
}
@@ -777,8 +793,6 @@ static int aq_set_ringparam(struct net_device *ndev,
dev_close(ndev);
}
- aq_nic_free_vectors(aq_nic);
-
cfg->rxds = max(ring->rx_pending, hw_caps->rxds_min);
cfg->rxds = min(cfg->rxds, hw_caps->rxds_max);
cfg->rxds = ALIGN(cfg->rxds, AQ_HW_RXD_MULTIPLE);
@@ -787,15 +801,10 @@ static int aq_set_ringparam(struct net_device *ndev,
cfg->txds = min(cfg->txds, hw_caps->txds_max);
cfg->txds = ALIGN(cfg->txds, AQ_HW_TXD_MULTIPLE);
- for (aq_nic->aq_vecs = 0; aq_nic->aq_vecs < cfg->vecs;
- aq_nic->aq_vecs++) {
- aq_nic->aq_vec[aq_nic->aq_vecs] =
- aq_vec_alloc(aq_nic, aq_nic->aq_vecs, cfg);
- if (unlikely(!aq_nic->aq_vec[aq_nic->aq_vecs])) {
- err = -ENOMEM;
- goto err_exit;
- }
- }
+ err = aq_nic_realloc_vectors(aq_nic);
+ if (err)
+ goto err_exit;
+
if (ndev_running)
err = dev_open(ndev, NULL);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
index 03ff92bc4a7f..1bc4d33a0ce5 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_filters.c
@@ -153,6 +153,8 @@ aq_check_approve_fvlan(struct aq_nic_s *aq_nic,
struct aq_hw_rx_fltrs_s *rx_fltrs,
struct ethtool_rx_flow_spec *fsp)
{
+ struct aq_nic_cfg_s *cfg = &aq_nic->aq_nic_cfg;
+
if (fsp->location < AQ_RX_FIRST_LOC_FVLANID ||
fsp->location > AQ_RX_LAST_LOC_FVLANID) {
netdev_err(aq_nic->ndev,
@@ -170,10 +172,10 @@ aq_check_approve_fvlan(struct aq_nic_s *aq_nic,
return -EINVAL;
}
- if (fsp->ring_cookie > aq_nic->aq_nic_cfg.num_rss_queues) {
+ if (fsp->ring_cookie > cfg->num_rss_queues * cfg->tcs) {
netdev_err(aq_nic->ndev,
"ethtool: queue number must be in range [0, %d]",
- aq_nic->aq_nic_cfg.num_rss_queues - 1);
+ cfg->num_rss_queues * cfg->tcs - 1);
return -EINVAL;
}
return 0;
@@ -262,6 +264,7 @@ static bool __must_check
aq_rule_is_not_correct(struct aq_nic_s *aq_nic,
struct ethtool_rx_flow_spec *fsp)
{
+ struct aq_nic_cfg_s *cfg = &aq_nic->aq_nic_cfg;
bool rule_is_not_correct = false;
if (!aq_nic) {
@@ -274,11 +277,11 @@ aq_rule_is_not_correct(struct aq_nic_s *aq_nic,
} else if (aq_check_filter(aq_nic, fsp)) {
rule_is_not_correct = true;
} else if (fsp->ring_cookie != RX_CLS_FLOW_DISC) {
- if (fsp->ring_cookie >= aq_nic->aq_nic_cfg.num_rss_queues) {
+ if (fsp->ring_cookie >= cfg->num_rss_queues * cfg->tcs) {
netdev_err(aq_nic->ndev,
"ethtool: The specified action is invalid.\n"
"Maximum allowable value action is %u.\n",
- aq_nic->aq_nic_cfg.num_rss_queues - 1);
+ cfg->num_rss_queues * cfg->tcs - 1);
rule_is_not_correct = true;
}
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 7d71bc7dc500..ed5b465bc664 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -18,6 +18,12 @@
#define AQ_HW_MAC_COUNTER_HZ 312500000ll
#define AQ_HW_PHY_COUNTER_HZ 160000000ll
+enum aq_tc_mode {
+ AQ_TC_MODE_INVALID = -1,
+ AQ_TC_MODE_8TCS,
+ AQ_TC_MODE_4TCS,
+};
+
#define AQ_RX_FIRST_LOC_FVLANID 0U
#define AQ_RX_LAST_LOC_FVLANID 15U
#define AQ_RX_FIRST_LOC_FETHERT 16U
@@ -29,6 +35,9 @@
(AQ_RX_LAST_LOC_FVLANID - AQ_RX_FIRST_LOC_FVLANID + 1U)
#define AQ_RX_QUEUE_NOT_ASSIGNED 0xFFU
+/* Used for rate to Mbps conversion */
+#define AQ_MBPS_DIVISOR 125000 /* 1000000 / 8 */
+
/* NIC H/W capabilities */
struct aq_hw_caps_s {
u64 hw_features;
@@ -46,7 +55,7 @@ struct aq_hw_caps_s {
u32 mac_regs_count;
u32 hw_alive_check_addr;
u8 msix_irqs;
- u8 tcs;
+ u8 tcs_max;
u8 rxd_alignment;
u8 rxd_size;
u8 txd_alignment;
@@ -55,6 +64,7 @@ struct aq_hw_caps_s {
u8 rx_rings;
bool flow_control;
bool is_64_dma;
+ u32 priv_data_len;
};
struct aq_hw_link_status_s {
@@ -117,8 +127,11 @@ struct aq_stats_s {
#define AQ_HW_TXD_MULTIPLE 8U
#define AQ_HW_RXD_MULTIPLE 8U
+#define AQ_HW_QUEUES_MAX 32U
#define AQ_HW_MULTICAST_ADDRESS_MAX 32U
+#define AQ_HW_PTP_TC 2U
+
#define AQ_HW_LED_BLINK 0x2U
#define AQ_HW_LED_DEFAULT 0x0U
@@ -136,6 +149,19 @@ enum aq_priv_flags {
BIT(AQ_HW_LOOPBACK_PHYINT_SYS) |\
BIT(AQ_HW_LOOPBACK_PHYEXT_SYS))
+#define ATL_HW_CHIP_MIPS 0x00000001U
+#define ATL_HW_CHIP_TPO2 0x00000002U
+#define ATL_HW_CHIP_RPF2 0x00000004U
+#define ATL_HW_CHIP_MPI_AQ 0x00000010U
+#define ATL_HW_CHIP_ATLANTIC 0x00800000U
+#define ATL_HW_CHIP_REVISION_A0 0x01000000U
+#define ATL_HW_CHIP_REVISION_B0 0x02000000U
+#define ATL_HW_CHIP_REVISION_B1 0x04000000U
+#define ATL_HW_CHIP_ANTIGUA 0x08000000U
+
+#define ATL_HW_IS_CHIP_FEATURE(_HW_, _F_) (!!(ATL_HW_CHIP_##_F_ & \
+ (_HW_)->chip_features))
+
struct aq_hw_s {
atomic_t flags;
u8 rbl_enabled:1;
@@ -159,6 +185,7 @@ struct aq_hw_s {
struct hw_atl_utils_fw_rpc rpc;
s64 ptp_clk_offset;
u16 phy_id;
+ void *priv;
};
struct aq_ring_s;
@@ -182,6 +209,11 @@ struct aq_hw_ops {
int (*hw_set_mac_address)(struct aq_hw_s *self, u8 *mac_addr);
+ int (*hw_soft_reset)(struct aq_hw_s *self);
+
+ int (*hw_prepare)(struct aq_hw_s *self,
+ const struct aq_fw_ops **fw_ops);
+
int (*hw_reset)(struct aq_hw_s *self);
int (*hw_init)(struct aq_hw_s *self, u8 *mac_addr);
@@ -248,21 +280,19 @@ struct aq_hw_ops {
int (*hw_rss_hash_set)(struct aq_hw_s *self,
struct aq_rss_parameters *rss_params);
+ int (*hw_tc_rate_limit_set)(struct aq_hw_s *self);
+
int (*hw_get_regs)(struct aq_hw_s *self,
const struct aq_hw_caps_s *aq_hw_caps,
u32 *regs_buff);
struct aq_stats_s *(*hw_get_hw_stats)(struct aq_hw_s *self);
- int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
+ u32 (*hw_get_fw_version)(struct aq_hw_s *self);
int (*hw_set_offload)(struct aq_hw_s *self,
struct aq_nic_cfg_s *aq_nic_cfg);
- int (*hw_tx_tc_mode_get)(struct aq_hw_s *self, u32 *tc_mode);
-
- int (*hw_rx_tc_mode_get)(struct aq_hw_s *self, u32 *tc_mode);
-
int (*hw_ring_hwts_rx_fill)(struct aq_hw_s *self,
struct aq_ring_s *aq_ring);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
index 7dbf49adcea6..342c5179f846 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c
@@ -79,3 +79,29 @@ int aq_hw_err_from_flags(struct aq_hw_s *hw)
err_exit:
return err;
}
+
+int aq_hw_num_tcs(struct aq_hw_s *hw)
+{
+ switch (hw->aq_nic_cfg->tc_mode) {
+ case AQ_TC_MODE_8TCS:
+ return 8;
+ case AQ_TC_MODE_4TCS:
+ return 4;
+ default:
+ break;
+ }
+
+ return 1;
+}
+
+int aq_hw_q_per_tc(struct aq_hw_s *hw)
+{
+ switch (hw->aq_nic_cfg->tc_mode) {
+ case AQ_TC_MODE_8TCS:
+ return 4;
+ case AQ_TC_MODE_4TCS:
+ return 8;
+ default:
+ return 4;
+ }
+}
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
index 9ef82d487e01..32aa5f2fb840 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.h
@@ -34,5 +34,7 @@ u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg);
void aq_hw_write_reg(struct aq_hw_s *hw, u32 reg, u32 value);
u64 aq_hw_read_reg64(struct aq_hw_s *hw, u32 reg);
int aq_hw_err_from_flags(struct aq_hw_s *hw);
+int aq_hw_num_tcs(struct aq_hw_s *hw);
+int aq_hw_q_per_tc(struct aq_hw_s *hw);
#endif /* AQ_HW_UTILS_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_macsec.c b/drivers/net/ethernet/aquantia/atlantic/aq_macsec.c
index 0b3e234a54aa..4a6dfac857ca 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_macsec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_macsec.c
@@ -401,7 +401,7 @@ static u32 aq_sc_idx_max(const enum aq_macsec_sc_sa sc_sa)
break;
default:
break;
- };
+ }
return result;
}
@@ -417,7 +417,7 @@ static u32 aq_to_hw_sc_idx(const u32 sc_idx, const enum aq_macsec_sc_sa sc_sa)
return sc_idx;
default:
WARN_ONCE(true, "Invalid sc_sa");
- };
+ }
return sc_idx;
}
@@ -478,7 +478,7 @@ static int aq_mdo_add_secy(struct macsec_context *ctx)
set_bit(txsc_idx, &cfg->txsc_idx_busy);
- return 0;
+ return ret;
}
static int aq_mdo_upd_secy(struct macsec_context *ctx)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index 9fcab646cbd5..8a1da044e908 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -12,11 +12,13 @@
#include "aq_ethtool.h"
#include "aq_ptp.h"
#include "aq_filters.h"
+#include "aq_hw_utils.h"
#include <linux/netdevice.h>
#include <linux/module.h>
#include <linux/ip.h>
#include <linux/udp.h>
+#include <net/pkt_cls.h>
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR(AQ_CFG_DRV_AUTHOR);
@@ -38,7 +40,7 @@ struct net_device *aq_ndev_alloc(void)
struct net_device *ndev = NULL;
struct aq_nic_s *aq_nic = NULL;
- ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_CFG_VECS_MAX);
+ ndev = alloc_etherdev_mq(sizeof(struct aq_nic_s), AQ_HW_QUEUES_MAX);
if (!ndev)
return NULL;
@@ -330,6 +332,73 @@ static int aq_ndo_vlan_rx_kill_vid(struct net_device *ndev, __be16 proto,
return 0;
}
+static int aq_validate_mqprio_opt(struct aq_nic_s *self,
+ struct tc_mqprio_qopt_offload *mqprio,
+ const unsigned int num_tc)
+{
+ const bool has_min_rate = !!(mqprio->flags & TC_MQPRIO_F_MIN_RATE);
+ struct aq_nic_cfg_s *aq_nic_cfg = aq_nic_get_cfg(self);
+ const unsigned int tcs_max = min_t(u8, aq_nic_cfg->aq_hw_caps->tcs_max,
+ AQ_CFG_TCS_MAX);
+
+ if (num_tc > tcs_max) {
+ netdev_err(self->ndev, "Too many TCs requested\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (num_tc != 0 && !is_power_of_2(num_tc)) {
+ netdev_err(self->ndev, "TC count should be power of 2\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (has_min_rate && !ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ANTIGUA)) {
+ netdev_err(self->ndev, "Min tx rate is not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int aq_ndo_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data)
+{
+ struct tc_mqprio_qopt_offload *mqprio = type_data;
+ struct aq_nic_s *aq_nic = netdev_priv(dev);
+ bool has_min_rate;
+ bool has_max_rate;
+ int err;
+ int i;
+
+ if (type != TC_SETUP_QDISC_MQPRIO)
+ return -EOPNOTSUPP;
+
+ has_min_rate = !!(mqprio->flags & TC_MQPRIO_F_MIN_RATE);
+ has_max_rate = !!(mqprio->flags & TC_MQPRIO_F_MAX_RATE);
+
+ err = aq_validate_mqprio_opt(aq_nic, mqprio, mqprio->qopt.num_tc);
+ if (err)
+ return err;
+
+ for (i = 0; i < mqprio->qopt.num_tc; i++) {
+ if (has_max_rate) {
+ u64 max_rate = mqprio->max_rate[i];
+
+ do_div(max_rate, AQ_MBPS_DIVISOR);
+ aq_nic_setup_tc_max_rate(aq_nic, i, (u32)max_rate);
+ }
+
+ if (has_min_rate) {
+ u64 min_rate = mqprio->min_rate[i];
+
+ do_div(min_rate, AQ_MBPS_DIVISOR);
+ aq_nic_setup_tc_min_rate(aq_nic, i, (u32)min_rate);
+ }
+ }
+
+ return aq_nic_setup_tc_mqprio(aq_nic, mqprio->qopt.num_tc,
+ mqprio->qopt.prio_tc_map);
+}
+
static const struct net_device_ops aq_ndev_ops = {
.ndo_open = aq_ndev_open,
.ndo_stop = aq_ndev_close,
@@ -341,6 +410,7 @@ static const struct net_device_ops aq_ndev_ops = {
.ndo_do_ioctl = aq_ndev_ioctl,
.ndo_vlan_rx_add_vid = aq_ndo_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = aq_ndo_vlan_rx_kill_vid,
+ .ndo_setup_tc = aq_ndo_setup_tc,
};
static int __init aq_ndev_init_module(void)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index a369705a786a..4435c6374f7e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File aq_nic.c: Definition of common code for NIC. */
@@ -25,6 +26,7 @@
#include <linux/ip.h>
#include <linux/tcp.h>
#include <net/ip.h>
+#include <net/pkt_cls.h>
static unsigned int aq_itr = AQ_CFG_INTERRUPT_MODERATION_AUTO;
module_param_named(aq_itr, aq_itr, uint, 0644);
@@ -63,10 +65,38 @@ static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
rss_params->indirection_table[i] = i & (num_rss_queues - 1);
}
+/* Recalculate the number of vectors */
+static void aq_nic_cfg_update_num_vecs(struct aq_nic_s *self)
+{
+ struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
+
+ cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF);
+ cfg->vecs = min(cfg->vecs, num_online_cpus());
+ if (self->irqvecs > AQ_HW_SERVICE_IRQS)
+ cfg->vecs = min(cfg->vecs, self->irqvecs - AQ_HW_SERVICE_IRQS);
+ /* cfg->vecs should be power of 2 for RSS */
+ cfg->vecs = rounddown_pow_of_two(cfg->vecs);
+
+ if (ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ANTIGUA)) {
+ if (cfg->tcs > 2)
+ cfg->vecs = min(cfg->vecs, 4U);
+ }
+
+ if (cfg->vecs <= 4)
+ cfg->tc_mode = AQ_TC_MODE_8TCS;
+ else
+ cfg->tc_mode = AQ_TC_MODE_4TCS;
+
+ /*rss rings */
+ cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
+ aq_nic_rss_init(self, cfg->num_rss_queues);
+}
+
/* Checks hw_caps and 'corrects' aq_nic_cfg in runtime */
void aq_nic_cfg_start(struct aq_nic_s *self)
{
struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
+ int i;
cfg->tcs = AQ_CFG_TCS_DEF;
@@ -78,7 +108,6 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->rxpageorder = AQ_CFG_RX_PAGEORDER;
cfg->is_rss = AQ_CFG_IS_RSS_DEF;
- cfg->num_rss_queues = AQ_CFG_NUM_RSS_QUEUES_DEF;
cfg->aq_rss.base_cpu_number = AQ_CFG_RSS_BASE_CPU_NUM_DEF;
cfg->fc.req = AQ_CFG_FC_MODE;
cfg->wol = AQ_CFG_WOL_MODES;
@@ -88,29 +117,13 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->is_autoneg = AQ_CFG_IS_AUTONEG_DEF;
cfg->is_lro = AQ_CFG_IS_LRO_DEF;
+ cfg->is_ptp = true;
/*descriptors */
cfg->rxds = min(cfg->aq_hw_caps->rxds_max, AQ_CFG_RXDS_DEF);
cfg->txds = min(cfg->aq_hw_caps->txds_max, AQ_CFG_TXDS_DEF);
- /*rss rings */
- cfg->vecs = min(cfg->aq_hw_caps->vecs, AQ_CFG_VECS_DEF);
- cfg->vecs = min(cfg->vecs, num_online_cpus());
- if (self->irqvecs > AQ_HW_SERVICE_IRQS)
- cfg->vecs = min(cfg->vecs, self->irqvecs - AQ_HW_SERVICE_IRQS);
- /* cfg->vecs should be power of 2 for RSS */
- if (cfg->vecs >= 8U)
- cfg->vecs = 8U;
- else if (cfg->vecs >= 4U)
- cfg->vecs = 4U;
- else if (cfg->vecs >= 2U)
- cfg->vecs = 2U;
- else
- cfg->vecs = 1U;
-
- cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
-
- aq_nic_rss_init(self, cfg->num_rss_queues);
+ aq_nic_cfg_update_num_vecs(self);
cfg->irq_type = aq_pci_func_get_irq_type(self);
@@ -135,6 +148,9 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->is_vlan_rx_strip = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_RX);
cfg->is_vlan_tx_insert = !!(cfg->features & NETIF_F_HW_VLAN_CTAG_TX);
cfg->is_vlan_force_promisc = true;
+
+ for (i = 0; i < sizeof(cfg->prio_tc_map); i++)
+ cfg->prio_tc_map[i] = cfg->tcs * i / 8;
}
static int aq_nic_update_link_status(struct aq_nic_s *self)
@@ -180,6 +196,9 @@ static int aq_nic_update_link_status(struct aq_nic_s *self)
#if IS_ENABLED(CONFIG_MACSEC)
aq_macsec_enable(self);
#endif
+ if (self->aq_hw_ops->hw_tc_rate_limit_set)
+ self->aq_hw_ops->hw_tc_rate_limit_set(self->aq_hw);
+
netif_tx_wake_all_queues(self->ndev);
}
if (netif_carrier_ok(self->ndev) && !self->link_status.mbps) {
@@ -257,6 +276,28 @@ static void aq_nic_polling_timer_cb(struct timer_list *t)
AQ_CFG_POLLING_TIMER_INTERVAL);
}
+static int aq_nic_hw_prepare(struct aq_nic_s *self)
+{
+ int err = 0;
+
+ err = self->aq_hw_ops->hw_soft_reset(self->aq_hw);
+ if (err)
+ goto exit;
+
+ err = self->aq_hw_ops->hw_prepare(self->aq_hw, &self->aq_fw_ops);
+
+exit:
+ return err;
+}
+
+static bool aq_nic_is_valid_ether_addr(const u8 *addr)
+{
+ /* Some engineering samples of Aquantia NICs are provisioned with a
+ * partially populated MAC, which is still invalid.
+ */
+ return !(addr[0] == 0 && addr[1] == 0 && addr[2] == 0);
+}
+
int aq_nic_ndev_register(struct aq_nic_s *self)
{
int err = 0;
@@ -266,7 +307,7 @@ int aq_nic_ndev_register(struct aq_nic_s *self)
goto err_exit;
}
- err = hw_atl_utils_initfw(self->aq_hw, &self->aq_fw_ops);
+ err = aq_nic_hw_prepare(self);
if (err)
goto err_exit;
@@ -281,6 +322,12 @@ int aq_nic_ndev_register(struct aq_nic_s *self)
if (err)
goto err_exit;
+ if (!is_valid_ether_addr(self->ndev->dev_addr) ||
+ !aq_nic_is_valid_ether_addr(self->ndev->dev_addr)) {
+ netdev_warn(self->ndev, "MAC is invalid, will use random.");
+ eth_hw_addr_random(self->ndev);
+ }
+
#if defined(AQ_CFG_MAC_ADDR_PERMANENT)
{
static u8 mac_addr_permanent[] = AQ_CFG_MAC_ADDR_PERMANENT;
@@ -364,26 +411,35 @@ int aq_nic_init(struct aq_nic_s *self)
if (err < 0)
goto err_exit;
- if (self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_TP) {
+ if (ATL_HW_IS_CHIP_FEATURE(self->aq_hw, ATLANTIC) &&
+ self->aq_nic_cfg.aq_hw_caps->media_type == AQ_HW_MEDIA_TYPE_TP) {
self->aq_hw->phy_id = HW_ATL_PHY_ID_MAX;
err = aq_phy_init(self->aq_hw);
}
- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
+ for (i = 0U; i < self->aq_vecs; i++) {
+ aq_vec = self->aq_vec[i];
+ err = aq_vec_ring_alloc(aq_vec, self, i,
+ aq_nic_get_cfg(self));
+ if (err)
+ goto err_exit;
+
aq_vec_init(aq_vec, self->aq_hw_ops, self->aq_hw);
+ }
- err = aq_ptp_init(self, self->irqvecs - 1);
- if (err < 0)
- goto err_exit;
+ if (aq_nic_get_cfg(self)->is_ptp) {
+ err = aq_ptp_init(self, self->irqvecs - 1);
+ if (err < 0)
+ goto err_exit;
- err = aq_ptp_ring_alloc(self);
- if (err < 0)
- goto err_exit;
+ err = aq_ptp_ring_alloc(self);
+ if (err < 0)
+ goto err_exit;
- err = aq_ptp_ring_init(self);
- if (err < 0)
- goto err_exit;
+ err = aq_ptp_ring_init(self);
+ if (err < 0)
+ goto err_exit;
+ }
netif_carrier_off(self->ndev);
@@ -394,9 +450,12 @@ err_exit:
int aq_nic_start(struct aq_nic_s *self)
{
struct aq_vec_s *aq_vec = NULL;
+ struct aq_nic_cfg_s *cfg;
unsigned int i = 0U;
int err = 0;
+ cfg = aq_nic_get_cfg(self);
+
err = self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
self->mc_list.ar,
self->mc_list.count);
@@ -434,7 +493,7 @@ int aq_nic_start(struct aq_nic_s *self)
timer_setup(&self->service_timer, aq_nic_service_timer_cb, 0);
aq_nic_service_timer_cb(&self->service_timer);
- if (self->aq_nic_cfg.is_polling) {
+ if (cfg->is_polling) {
timer_setup(&self->polling_timer, aq_nic_polling_timer_cb, 0);
mod_timer(&self->polling_timer, jiffies +
AQ_CFG_POLLING_TIMER_INTERVAL);
@@ -452,16 +511,16 @@ int aq_nic_start(struct aq_nic_s *self)
if (err < 0)
goto err_exit;
- if (self->aq_nic_cfg.link_irq_vec) {
+ if (cfg->link_irq_vec) {
int irqvec = pci_irq_vector(self->pdev,
- self->aq_nic_cfg.link_irq_vec);
+ cfg->link_irq_vec);
err = request_threaded_irq(irqvec, NULL,
aq_linkstate_threaded_isr,
IRQF_SHARED | IRQF_ONESHOT,
self->ndev->name, self);
if (err < 0)
goto err_exit;
- self->msix_entry_mask |= (1 << self->aq_nic_cfg.link_irq_vec);
+ self->msix_entry_mask |= (1 << cfg->link_irq_vec);
}
err = self->aq_hw_ops->hw_irq_enable(self->aq_hw,
@@ -470,14 +529,21 @@ int aq_nic_start(struct aq_nic_s *self)
goto err_exit;
}
- err = netif_set_real_num_tx_queues(self->ndev, self->aq_vecs);
+ err = netif_set_real_num_tx_queues(self->ndev,
+ self->aq_vecs * cfg->tcs);
if (err < 0)
goto err_exit;
- err = netif_set_real_num_rx_queues(self->ndev, self->aq_vecs);
+ err = netif_set_real_num_rx_queues(self->ndev,
+ self->aq_vecs * cfg->tcs);
if (err < 0)
goto err_exit;
+ for (i = 0; i < cfg->tcs; i++) {
+ u16 offset = self->aq_vecs * i;
+
+ netdev_set_tc_queue(self->ndev, i, self->aq_vecs, offset);
+ }
netif_tx_start_all_queues(self->ndev);
err_exit:
@@ -488,6 +554,8 @@ unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
struct aq_ring_s *ring)
{
unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
+ struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
+ struct device *dev = aq_nic_get_dev(self);
struct aq_ring_buff_s *first = NULL;
u8 ipver = ip_hdr(skb)->version;
struct aq_ring_buff_s *dx_buff;
@@ -529,7 +597,7 @@ unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
need_context_tag = true;
}
- if (self->aq_nic_cfg.is_vlan_tx_insert && skb_vlan_tag_present(skb)) {
+ if (cfg->is_vlan_tx_insert && skb_vlan_tag_present(skb)) {
dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb);
dx_buff->len_pkt = skb->len;
dx_buff->is_vlan = 1U;
@@ -544,12 +612,12 @@ unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
}
dx_buff->len = skb_headlen(skb);
- dx_buff->pa = dma_map_single(aq_nic_get_dev(self),
+ dx_buff->pa = dma_map_single(dev,
skb->data,
dx_buff->len,
DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(aq_nic_get_dev(self), dx_buff->pa))) {
+ if (unlikely(dma_mapping_error(dev, dx_buff->pa))) {
ret = 0;
goto exit;
}
@@ -581,13 +649,13 @@ unsigned int aq_nic_map_skb(struct aq_nic_s *self, struct sk_buff *skb,
else
buff_size = frag_len;
- frag_pa = skb_frag_dma_map(aq_nic_get_dev(self),
+ frag_pa = skb_frag_dma_map(dev,
frag,
buff_offset,
buff_size,
DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(aq_nic_get_dev(self),
+ if (unlikely(dma_mapping_error(dev,
frag_pa)))
goto mapping_error;
@@ -621,12 +689,12 @@ mapping_error:
if (!(dx_buff->is_gso_tcp || dx_buff->is_gso_udp) &&
!dx_buff->is_vlan && dx_buff->pa) {
if (unlikely(dx_buff->is_sop)) {
- dma_unmap_single(aq_nic_get_dev(self),
+ dma_unmap_single(dev,
dx_buff->pa,
dx_buff->len,
DMA_TO_DEVICE);
} else {
- dma_unmap_page(aq_nic_get_dev(self),
+ dma_unmap_page(dev,
dx_buff->pa,
dx_buff->len,
DMA_TO_DEVICE);
@@ -640,15 +708,16 @@ exit:
int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
{
- unsigned int vec = skb->queue_mapping % self->aq_nic_cfg.vecs;
+ struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
+ unsigned int vec = skb->queue_mapping % cfg->vecs;
+ unsigned int tc = skb->queue_mapping / cfg->vecs;
struct aq_ring_s *ring = NULL;
unsigned int frags = 0U;
int err = NETDEV_TX_OK;
- unsigned int tc = 0U;
frags = skb_shinfo(skb)->nr_frags + 1;
- ring = self->aq_ring_tx[AQ_NIC_TCVEC2RING(self, tc, vec)];
+ ring = self->aq_ring_tx[AQ_NIC_CFG_TCVEC2RING(cfg, tc, vec)];
if (frags > AQ_CFG_SKB_FRAGS_MAX) {
dev_kfree_skb_any(skb);
@@ -657,13 +726,14 @@ int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
aq_ring_update_queue_state(ring);
- if (self->aq_nic_cfg.priv_flags & BIT(AQ_HW_LOOPBACK_DMA_NET)) {
+ if (cfg->priv_flags & BIT(AQ_HW_LOOPBACK_DMA_NET)) {
err = NETDEV_TX_BUSY;
goto err_exit;
}
/* Above status update may stop the queue. Check this. */
- if (__netif_subqueue_stopped(self->ndev, ring->idx)) {
+ if (__netif_subqueue_stopped(self->ndev,
+ AQ_NIC_RING2QMAP(self, ring->idx))) {
err = NETDEV_TX_BUSY;
goto err_exit;
}
@@ -764,6 +834,9 @@ int aq_nic_get_regs(struct aq_nic_s *self, struct ethtool_regs *regs, void *p)
u32 *regs_buff = p;
int err = 0;
+ if (unlikely(!self->aq_hw_ops->hw_get_regs))
+ return -EOPNOTSUPP;
+
regs->version = 1;
err = self->aq_hw_ops->hw_get_regs(self->aq_hw,
@@ -778,6 +851,9 @@ err_exit:
int aq_nic_get_regs_count(struct aq_nic_s *self)
{
+ if (unlikely(!self->aq_hw_ops->hw_get_regs))
+ return 0;
+
return self->aq_nic_cfg.aq_hw_caps->mac_regs_count;
}
@@ -787,6 +863,7 @@ u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
struct aq_stats_s *stats;
unsigned int count = 0U;
unsigned int i = 0U;
+ unsigned int tc;
if (self->aq_fw_ops->update_stats) {
mutex_lock(&self->fwreq_mutex);
@@ -825,10 +902,13 @@ u64 *aq_nic_get_stats(struct aq_nic_s *self, u64 *data)
data += i;
- for (i = 0U, aq_vec = self->aq_vec[0];
- aq_vec && self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
- data += count;
- aq_vec_get_sw_stats(aq_vec, data, &count);
+ for (tc = 0U; tc < self->aq_nic_cfg.tcs; tc++) {
+ for (i = 0U, aq_vec = self->aq_vec[0];
+ aq_vec && self->aq_vecs > i;
+ ++i, aq_vec = self->aq_vec[i]) {
+ data += count;
+ aq_vec_get_sw_stats(aq_vec, tc, data, &count);
+ }
}
data += count;
@@ -873,7 +953,7 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, supported,
5000baseT_Full);
- if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2GS)
+ if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_2G5)
ethtool_link_ksettings_add_link_mode(cmd, supported,
2500baseT_Full);
@@ -885,6 +965,10 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, supported,
100baseT_Full);
+ if (self->aq_nic_cfg.aq_hw_caps->link_speed_msk & AQ_NIC_RATE_10M)
+ ethtool_link_ksettings_add_link_mode(cmd, supported,
+ 10baseT_Full);
+
if (self->aq_nic_cfg.aq_hw_caps->flow_control) {
ethtool_link_ksettings_add_link_mode(cmd, supported,
Pause);
@@ -912,7 +996,7 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, advertising,
5000baseT_Full);
- if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2GS)
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_2G5)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
2500baseT_Full);
@@ -924,6 +1008,10 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, advertising,
100baseT_Full);
+ if (self->aq_nic_cfg.link_speed_msk & AQ_NIC_RATE_10M)
+ ethtool_link_ksettings_add_link_mode(cmd, advertising,
+ 10baseT_Full);
+
if (self->aq_nic_cfg.fc.cur & AQ_NIC_FC_RX)
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
@@ -954,6 +1042,10 @@ int aq_nic_set_link_ksettings(struct aq_nic_s *self,
speed = cmd->base.speed;
switch (speed) {
+ case SPEED_10:
+ rate = AQ_NIC_RATE_10M;
+ break;
+
case SPEED_100:
rate = AQ_NIC_RATE_100M;
break;
@@ -963,7 +1055,7 @@ int aq_nic_set_link_ksettings(struct aq_nic_s *self,
break;
case SPEED_2500:
- rate = AQ_NIC_RATE_2GS;
+ rate = AQ_NIC_RATE_2G5;
break;
case SPEED_5000:
@@ -1006,11 +1098,7 @@ struct aq_nic_cfg_s *aq_nic_get_cfg(struct aq_nic_s *self)
u32 aq_nic_get_fw_version(struct aq_nic_s *self)
{
- u32 fw_version = 0U;
-
- self->aq_hw_ops->hw_get_fw_version(self->aq_hw, &fw_version);
-
- return fw_version;
+ return self->aq_hw_ops->hw_get_fw_version(self->aq_hw);
}
int aq_nic_set_loopback(struct aq_nic_s *self)
@@ -1101,9 +1189,11 @@ void aq_nic_deinit(struct aq_nic_s *self, bool link_down)
if (!self)
goto err_exit;
- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i])
+ for (i = 0U; i < self->aq_vecs; i++) {
+ aq_vec = self->aq_vec[i];
aq_vec_deinit(aq_vec);
+ aq_vec_ring_free(aq_vec);
+ }
aq_ptp_unregister(self);
aq_ptp_ring_deinit(self);
@@ -1136,6 +1226,22 @@ void aq_nic_free_vectors(struct aq_nic_s *self)
err_exit:;
}
+int aq_nic_realloc_vectors(struct aq_nic_s *self)
+{
+ struct aq_nic_cfg_s *cfg = aq_nic_get_cfg(self);
+
+ aq_nic_free_vectors(self);
+
+ for (self->aq_vecs = 0; self->aq_vecs < cfg->vecs; self->aq_vecs++) {
+ self->aq_vec[self->aq_vecs] = aq_vec_alloc(self, self->aq_vecs,
+ cfg);
+ if (unlikely(!self->aq_vec[self->aq_vecs]))
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
void aq_nic_shutdown(struct aq_nic_s *self)
{
int err = 0;
@@ -1201,3 +1307,98 @@ void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,
break;
}
}
+
+int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map)
+{
+ struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
+ const unsigned int prev_vecs = cfg->vecs;
+ bool ndev_running;
+ int err = 0;
+ int i;
+
+ /* if already the same configuration or
+ * disable request (tcs is 0) and we already is disabled
+ */
+ if (tcs == cfg->tcs || (tcs == 0 && !cfg->is_qos))
+ return 0;
+
+ ndev_running = netif_running(self->ndev);
+ if (ndev_running)
+ dev_close(self->ndev);
+
+ cfg->tcs = tcs;
+ if (cfg->tcs == 0)
+ cfg->tcs = 1;
+ if (prio_tc_map)
+ memcpy(cfg->prio_tc_map, prio_tc_map, sizeof(cfg->prio_tc_map));
+ else
+ for (i = 0; i < sizeof(cfg->prio_tc_map); i++)
+ cfg->prio_tc_map[i] = cfg->tcs * i / 8;
+
+ cfg->is_qos = (tcs != 0 ? true : false);
+ cfg->is_ptp = (cfg->tcs <= AQ_HW_PTP_TC);
+ if (!cfg->is_ptp)
+ netdev_warn(self->ndev, "%s\n",
+ "PTP is auto disabled due to requested TC count.");
+
+ netdev_set_num_tc(self->ndev, cfg->tcs);
+
+ /* Changing the number of TCs might change the number of vectors */
+ aq_nic_cfg_update_num_vecs(self);
+ if (prev_vecs != cfg->vecs) {
+ err = aq_nic_realloc_vectors(self);
+ if (err)
+ goto err_exit;
+ }
+
+ if (ndev_running)
+ err = dev_open(self->ndev, NULL);
+
+err_exit:
+ return err;
+}
+
+int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,
+ const u32 max_rate)
+{
+ struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
+
+ if (tc >= AQ_CFG_TCS_MAX)
+ return -EINVAL;
+
+ if (max_rate && max_rate < 10) {
+ netdev_warn(self->ndev,
+ "Setting %s to the minimum usable value of %dMbps.\n",
+ "max rate", 10);
+ cfg->tc_max_rate[tc] = 10;
+ } else {
+ cfg->tc_max_rate[tc] = max_rate;
+ }
+
+ return 0;
+}
+
+int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,
+ const u32 min_rate)
+{
+ struct aq_nic_cfg_s *cfg = &self->aq_nic_cfg;
+
+ if (tc >= AQ_CFG_TCS_MAX)
+ return -EINVAL;
+
+ if (min_rate)
+ set_bit(tc, &cfg->tc_min_rate_msk);
+ else
+ clear_bit(tc, &cfg->tc_min_rate_msk);
+
+ if (min_rate && min_rate < 20) {
+ netdev_warn(self->ndev,
+ "Setting %s to the minimum usable value of %dMbps.\n",
+ "min rate", 20);
+ cfg->tc_min_rate[tc] = 20;
+ } else {
+ cfg->tc_min_rate[tc] = min_rate;
+ }
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index 0663b8d0220d..2ab003065e62 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -59,8 +59,15 @@ struct aq_nic_cfg_s {
bool is_polling;
bool is_rss;
bool is_lro;
+ bool is_qos;
+ bool is_ptp;
+ enum aq_tc_mode tc_mode;
u32 priv_flags;
u8 tcs;
+ u8 prio_tc_map[8];
+ u32 tc_max_rate[AQ_CFG_TCS_MAX];
+ unsigned long tc_min_rate_msk;
+ u32 tc_min_rate[AQ_CFG_TCS_MAX];
struct aq_rss_parameters aq_rss;
u32 eee_speeds;
};
@@ -77,8 +84,16 @@ struct aq_nic_cfg_s {
#define AQ_NIC_WOL_MODES (WAKE_MAGIC |\
WAKE_PHY)
-#define AQ_NIC_TCVEC2RING(_NIC_, _TC_, _VEC_) \
- ((_TC_) * AQ_CFG_TCS_MAX + (_VEC_))
+#define AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) \
+ (((_NIC_CFG_)->tc_mode == AQ_TC_MODE_4TCS) ? 8 : 4)
+
+#define AQ_NIC_CFG_TCVEC2RING(_NIC_CFG_, _TC_, _VEC_) \
+ ((_TC_) * AQ_NIC_CFG_RING_PER_TC(_NIC_CFG_) + (_VEC_))
+
+#define AQ_NIC_RING2QMAP(_NIC_, _ID_) \
+ ((_ID_) / AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg) * \
+ (_NIC_)->aq_vecs + \
+ ((_ID_) % AQ_NIC_CFG_RING_PER_TC(&(_NIC_)->aq_nic_cfg)))
struct aq_hw_rx_fl2 {
struct aq_rx_filter_vlan aq_vlans[AQ_VLAN_MAX_FILTERS];
@@ -104,7 +119,7 @@ struct aq_nic_s {
atomic_t flags;
u32 msg_enable;
struct aq_vec_s *aq_vec[AQ_CFG_VECS_MAX];
- struct aq_ring_s *aq_ring_tx[AQ_CFG_VECS_MAX * AQ_CFG_TCS_MAX];
+ struct aq_ring_s *aq_ring_tx[AQ_HW_QUEUES_MAX];
struct aq_hw_s *aq_hw;
struct net_device *ndev;
unsigned int aq_vecs;
@@ -164,6 +179,7 @@ void aq_nic_deinit(struct aq_nic_s *self, bool link_down);
void aq_nic_set_power(struct aq_nic_s *self);
void aq_nic_free_hot_resources(struct aq_nic_s *self);
void aq_nic_free_vectors(struct aq_nic_s *self);
+int aq_nic_realloc_vectors(struct aq_nic_s *self);
int aq_nic_set_mtu(struct aq_nic_s *self, int new_mtu);
int aq_nic_set_mac(struct aq_nic_s *self, struct net_device *ndev);
int aq_nic_set_packet_filter(struct aq_nic_s *self, unsigned int flags);
@@ -181,4 +197,9 @@ void aq_nic_shutdown(struct aq_nic_s *self);
u8 aq_nic_reserve_filter(struct aq_nic_s *self, enum aq_rx_filter_type type);
void aq_nic_release_filter(struct aq_nic_s *self, enum aq_rx_filter_type type,
u32 location);
+int aq_nic_setup_tc_mqprio(struct aq_nic_s *self, u32 tcs, u8 *prio_tc_map);
+int aq_nic_setup_tc_max_rate(struct aq_nic_s *self, const unsigned int tc,
+ const u32 max_rate);
+int aq_nic_setup_tc_min_rate(struct aq_nic_s *self, const unsigned int tc,
+ const u32 min_rate);
#endif /* AQ_NIC_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 2edf137a7030..41c0f560f95b 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -16,6 +16,7 @@
#include "aq_pci_func.h"
#include "hw_atl/hw_atl_a0.h"
#include "hw_atl/hw_atl_b0.h"
+#include "hw_atl2/hw_atl2.h"
#include "aq_filters.h"
#include "aq_drvinfo.h"
#include "aq_macsec.h"
@@ -41,6 +42,13 @@ static const struct pci_device_id aq_pci_tbl[] = {
{ PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC111S), },
{ PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC112S), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC113DEV), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC113CS), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC114CS), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC113), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC113C), },
+ { PCI_VDEVICE(AQUANTIA, AQ_DEVICE_ID_AQC115C), },
+
{}
};
@@ -57,7 +65,7 @@ static const struct aq_board_revision_s hw_atl_boards[] = {
{ AQ_DEVICE_ID_D108, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc108, },
{ AQ_DEVICE_ID_D109, AQ_HWREV_2, &hw_atl_ops_b0, &hw_atl_b0_caps_aqc109, },
- { AQ_DEVICE_ID_AQC100, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
+ { AQ_DEVICE_ID_AQC100, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc100, },
{ AQ_DEVICE_ID_AQC107, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc107, },
{ AQ_DEVICE_ID_AQC108, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc108, },
{ AQ_DEVICE_ID_AQC109, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc109, },
@@ -70,6 +78,13 @@ static const struct aq_board_revision_s hw_atl_boards[] = {
{ AQ_DEVICE_ID_AQC109S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc109s, },
{ AQ_DEVICE_ID_AQC111S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc111s, },
{ AQ_DEVICE_ID_AQC112S, AQ_HWREV_ANY, &hw_atl_ops_b1, &hw_atl_b0_caps_aqc112s, },
+
+ { AQ_DEVICE_ID_AQC113DEV, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
+ { AQ_DEVICE_ID_AQC113, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
+ { AQ_DEVICE_ID_AQC113CS, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
+ { AQ_DEVICE_ID_AQC114CS, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
+ { AQ_DEVICE_ID_AQC113C, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
+ { AQ_DEVICE_ID_AQC115C, AQ_HWREV_ANY, &hw_atl2_ops, &hw_atl2_caps_aqc113, },
};
MODULE_DEVICE_TABLE(pci, aq_pci_tbl);
@@ -104,10 +119,8 @@ int aq_pci_func_init(struct pci_dev *pdev)
int err;
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
- if (!err) {
+ if (!err)
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-
- }
if (err) {
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (!err)
@@ -237,6 +250,15 @@ static int aq_pci_probe(struct pci_dev *pdev,
goto err_ioremap;
}
self->aq_hw->aq_nic_cfg = aq_nic_get_cfg(self);
+ if (self->aq_hw->aq_nic_cfg->aq_hw_caps->priv_data_len) {
+ int len = self->aq_hw->aq_nic_cfg->aq_hw_caps->priv_data_len;
+
+ self->aq_hw->priv = kzalloc(len, GFP_KERNEL);
+ if (!self->aq_hw->priv) {
+ err = -ENOMEM;
+ goto err_free_aq_hw;
+ }
+ }
for (bar = 0; bar < 4; ++bar) {
if (IORESOURCE_MEM & pci_resource_flags(pdev, bar)) {
@@ -245,19 +267,19 @@ static int aq_pci_probe(struct pci_dev *pdev,
mmio_pa = pci_resource_start(pdev, bar);
if (mmio_pa == 0U) {
err = -EIO;
- goto err_free_aq_hw;
+ goto err_free_aq_hw_priv;
}
reg_sz = pci_resource_len(pdev, bar);
if ((reg_sz <= 24 /*ATL_REGS_SIZE*/)) {
err = -EIO;
- goto err_free_aq_hw;
+ goto err_free_aq_hw_priv;
}
self->aq_hw->mmio = ioremap(mmio_pa, reg_sz);
if (!self->aq_hw->mmio) {
err = -EIO;
- goto err_free_aq_hw;
+ goto err_free_aq_hw_priv;
}
break;
}
@@ -265,7 +287,7 @@ static int aq_pci_probe(struct pci_dev *pdev,
if (bar == 4) {
err = -EIO;
- goto err_free_aq_hw;
+ goto err_free_aq_hw_priv;
}
numvecs = min((u8)AQ_CFG_VECS_DEF,
@@ -305,6 +327,8 @@ err_register:
aq_pci_free_irq_vectors(self);
err_hwinit:
iounmap(self->aq_hw->mmio);
+err_free_aq_hw_priv:
+ kfree(self->aq_hw->priv);
err_free_aq_hw:
kfree(self->aq_hw);
err_ioremap:
@@ -332,6 +356,7 @@ static void aq_pci_remove(struct pci_dev *pdev)
aq_nic_free_vectors(self);
aq_pci_free_irq_vectors(self);
iounmap(self->aq_hw->mmio);
+ kfree(self->aq_hw->priv);
kfree(self->aq_hw);
pci_release_regions(pdev);
free_netdev(self->ndev);
@@ -406,6 +431,9 @@ static int atl_resume_common(struct device *dev, bool deep)
netif_tx_start_all_queues(nic->ndev);
err_exit:
+ if (ret < 0)
+ aq_nic_deinit(nic, true);
+
rtnl_unlock();
return ret;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
index 58e8c641e8b3..599ced261b2a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c
@@ -945,26 +945,29 @@ void aq_ptp_ring_deinit(struct aq_nic_s *aq_nic)
#define PTP_4TC_RING_IDX 16
#define PTP_HWST_RING_IDX 31
+/* Index must be 8 (8 TCs) or 16 (4 TCs).
+ * It depends on Traffic Class mode.
+ */
+static unsigned int ptp_ring_idx(const enum aq_tc_mode tc_mode)
+{
+ if (tc_mode == AQ_TC_MODE_8TCS)
+ return PTP_8TC_RING_IDX;
+
+ return PTP_4TC_RING_IDX;
+}
+
int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic)
{
struct aq_ptp_s *aq_ptp = aq_nic->aq_ptp;
unsigned int tx_ring_idx, rx_ring_idx;
struct aq_ring_s *hwts;
- u32 tx_tc_mode, rx_tc_mode;
struct aq_ring_s *ring;
int err;
if (!aq_ptp)
return 0;
- /* Index must to be 8 (8 TCs) or 16 (4 TCs).
- * It depends from Traffic Class mode.
- */
- aq_nic->aq_hw_ops->hw_tx_tc_mode_get(aq_nic->aq_hw, &tx_tc_mode);
- if (tx_tc_mode == 0)
- tx_ring_idx = PTP_8TC_RING_IDX;
- else
- tx_ring_idx = PTP_4TC_RING_IDX;
+ tx_ring_idx = ptp_ring_idx(aq_nic->aq_nic_cfg.tc_mode);
ring = aq_ring_tx_alloc(&aq_ptp->ptp_tx, aq_nic,
tx_ring_idx, &aq_nic->aq_nic_cfg);
@@ -973,11 +976,7 @@ int aq_ptp_ring_alloc(struct aq_nic_s *aq_nic)
goto err_exit;
}
- aq_nic->aq_hw_ops->hw_rx_tc_mode_get(aq_nic->aq_hw, &rx_tc_mode);
- if (rx_tc_mode == 0)
- rx_ring_idx = PTP_8TC_RING_IDX;
- else
- rx_ring_idx = PTP_4TC_RING_IDX;
+ rx_ring_idx = ptp_ring_idx(aq_nic->aq_nic_cfg.tc_mode);
ring = aq_ring_rx_alloc(&aq_ptp->ptp_rx, aq_nic,
rx_ring_idx, &aq_nic->aq_nic_cfg);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index bae95a618560..68fdb3994088 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -232,8 +232,11 @@ void aq_ring_queue_wake(struct aq_ring_s *ring)
{
struct net_device *ndev = aq_nic_get_ndev(ring->aq_nic);
- if (__netif_subqueue_stopped(ndev, ring->idx)) {
- netif_wake_subqueue(ndev, ring->idx);
+ if (__netif_subqueue_stopped(ndev,
+ AQ_NIC_RING2QMAP(ring->aq_nic,
+ ring->idx))) {
+ netif_wake_subqueue(ndev,
+ AQ_NIC_RING2QMAP(ring->aq_nic, ring->idx));
ring->stats.tx.queue_restarts++;
}
}
@@ -242,8 +245,11 @@ void aq_ring_queue_stop(struct aq_ring_s *ring)
{
struct net_device *ndev = aq_nic_get_ndev(ring->aq_nic);
- if (!__netif_subqueue_stopped(ndev, ring->idx))
- netif_stop_subqueue(ndev, ring->idx);
+ if (!__netif_subqueue_stopped(ndev,
+ AQ_NIC_RING2QMAP(ring->aq_nic,
+ ring->idx)))
+ netif_stop_subqueue(ndev,
+ AQ_NIC_RING2QMAP(ring->aq_nic, ring->idx));
}
bool aq_ring_tx_clean(struct aq_ring_s *self)
@@ -466,7 +472,10 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
buff->is_hash_l4 ? PKT_HASH_TYPE_L4 :
PKT_HASH_TYPE_NONE);
/* Send all PTP traffic to 0 queue */
- skb_record_rx_queue(skb, is_ptp_ring ? 0 : self->idx);
+ skb_record_rx_queue(skb,
+ is_ptp_ring ? 0
+ : AQ_NIC_RING2QMAP(self->aq_nic,
+ self->idx));
++self->stats.rx.packets;
self->stats.rx.bytes += skb->len;
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index f40a427970dc..d1d43c8ce400 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
@@ -103,16 +103,11 @@ err_exit:
struct aq_vec_s *aq_vec_alloc(struct aq_nic_s *aq_nic, unsigned int idx,
struct aq_nic_cfg_s *aq_nic_cfg)
{
- struct aq_ring_s *ring = NULL;
struct aq_vec_s *self = NULL;
- unsigned int i = 0U;
- int err = 0;
self = kzalloc(sizeof(*self), GFP_KERNEL);
- if (!self) {
- err = -ENOMEM;
+ if (!self)
goto err_exit;
- }
self->aq_nic = aq_nic;
self->aq_ring_param.vec_idx = idx;
@@ -128,10 +123,20 @@ struct aq_vec_s *aq_vec_alloc(struct aq_nic_s *aq_nic, unsigned int idx,
netif_napi_add(aq_nic_get_ndev(aq_nic), &self->napi,
aq_vec_poll, AQ_CFG_NAPI_WEIGHT);
+err_exit:
+ return self;
+}
+
+int aq_vec_ring_alloc(struct aq_vec_s *self, struct aq_nic_s *aq_nic,
+ unsigned int idx, struct aq_nic_cfg_s *aq_nic_cfg)
+{
+ struct aq_ring_s *ring = NULL;
+ unsigned int i = 0U;
+ int err = 0;
+
for (i = 0; i < aq_nic_cfg->tcs; ++i) {
- unsigned int idx_ring = AQ_NIC_TCVEC2RING(self->nic,
- self->tx_rings,
- self->aq_ring_param.vec_idx);
+ const unsigned int idx_ring = AQ_NIC_CFG_TCVEC2RING(aq_nic_cfg,
+ i, idx);
ring = aq_ring_tx_alloc(&self->ring[i][AQ_VEC_TX_ID], aq_nic,
idx_ring, aq_nic_cfg);
@@ -156,11 +161,11 @@ struct aq_vec_s *aq_vec_alloc(struct aq_nic_s *aq_nic, unsigned int idx,
err_exit:
if (err < 0) {
- aq_vec_free(self);
+ aq_vec_ring_free(self);
self = NULL;
}
- return self;
+ return err;
}
int aq_vec_init(struct aq_vec_s *self, const struct aq_hw_ops *aq_hw_ops,
@@ -270,6 +275,18 @@ err_exit:;
void aq_vec_free(struct aq_vec_s *self)
{
+ if (!self)
+ goto err_exit;
+
+ netif_napi_del(&self->napi);
+
+ kfree(self);
+
+err_exit:;
+}
+
+void aq_vec_ring_free(struct aq_vec_s *self)
+{
struct aq_ring_s *ring = NULL;
unsigned int i = 0U;
@@ -279,13 +296,12 @@ void aq_vec_free(struct aq_vec_s *self)
for (i = 0U, ring = self->ring[0];
self->tx_rings > i; ++i, ring = self->ring[i]) {
aq_ring_free(&ring[AQ_VEC_TX_ID]);
- aq_ring_free(&ring[AQ_VEC_RX_ID]);
+ if (i < self->rx_rings)
+ aq_ring_free(&ring[AQ_VEC_RX_ID]);
}
- netif_napi_del(&self->napi);
-
- kfree(self);
-
+ self->tx_rings = 0;
+ self->rx_rings = 0;
err_exit:;
}
@@ -333,16 +349,14 @@ cpumask_t *aq_vec_get_affinity_mask(struct aq_vec_s *self)
return &self->aq_ring_param.affinity_mask;
}
-void aq_vec_add_stats(struct aq_vec_s *self,
- struct aq_ring_stats_rx_s *stats_rx,
- struct aq_ring_stats_tx_s *stats_tx)
+static void aq_vec_add_stats(struct aq_vec_s *self,
+ const unsigned int tc,
+ struct aq_ring_stats_rx_s *stats_rx,
+ struct aq_ring_stats_tx_s *stats_tx)
{
- struct aq_ring_s *ring = NULL;
- unsigned int r = 0U;
+ struct aq_ring_s *ring = self->ring[tc];
- for (r = 0U, ring = self->ring[0];
- self->tx_rings > r; ++r, ring = self->ring[r]) {
- struct aq_ring_stats_tx_s *tx = &ring[AQ_VEC_TX_ID].stats.tx;
+ if (tc < self->rx_rings) {
struct aq_ring_stats_rx_s *rx = &ring[AQ_VEC_RX_ID].stats.rx;
stats_rx->packets += rx->packets;
@@ -353,6 +367,10 @@ void aq_vec_add_stats(struct aq_vec_s *self,
stats_rx->pg_losts += rx->pg_losts;
stats_rx->pg_flips += rx->pg_flips;
stats_rx->pg_reuses += rx->pg_reuses;
+ }
+
+ if (tc < self->tx_rings) {
+ struct aq_ring_stats_tx_s *tx = &ring[AQ_VEC_TX_ID].stats.tx;
stats_tx->packets += tx->packets;
stats_tx->bytes += tx->bytes;
@@ -361,7 +379,8 @@ void aq_vec_add_stats(struct aq_vec_s *self,
}
}
-int aq_vec_get_sw_stats(struct aq_vec_s *self, u64 *data, unsigned int *p_count)
+int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data,
+ unsigned int *p_count)
{
struct aq_ring_stats_rx_s stats_rx;
struct aq_ring_stats_tx_s stats_tx;
@@ -369,7 +388,8 @@ int aq_vec_get_sw_stats(struct aq_vec_s *self, u64 *data, unsigned int *p_count)
memset(&stats_rx, 0U, sizeof(struct aq_ring_stats_rx_s));
memset(&stats_tx, 0U, sizeof(struct aq_ring_stats_tx_s));
- aq_vec_add_stats(self, &stats_rx, &stats_tx);
+
+ aq_vec_add_stats(self, tc, &stats_rx, &stats_tx);
/* This data should mimic aq_ethtool_queue_stat_names structure
*/
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
index 0fe8e0904c7f..541af85e6510 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.h
@@ -25,17 +25,17 @@ irqreturn_t aq_vec_isr(int irq, void *private);
irqreturn_t aq_vec_isr_legacy(int irq, void *private);
struct aq_vec_s *aq_vec_alloc(struct aq_nic_s *aq_nic, unsigned int idx,
struct aq_nic_cfg_s *aq_nic_cfg);
+int aq_vec_ring_alloc(struct aq_vec_s *self, struct aq_nic_s *aq_nic,
+ unsigned int idx, struct aq_nic_cfg_s *aq_nic_cfg);
int aq_vec_init(struct aq_vec_s *self, const struct aq_hw_ops *aq_hw_ops,
struct aq_hw_s *aq_hw);
void aq_vec_deinit(struct aq_vec_s *self);
void aq_vec_free(struct aq_vec_s *self);
+void aq_vec_ring_free(struct aq_vec_s *self);
int aq_vec_start(struct aq_vec_s *self);
void aq_vec_stop(struct aq_vec_s *self);
cpumask_t *aq_vec_get_affinity_mask(struct aq_vec_s *self);
-int aq_vec_get_sw_stats(struct aq_vec_s *self, u64 *data,
+int aq_vec_get_sw_stats(struct aq_vec_s *self, const unsigned int tc, u64 *data,
unsigned int *p_count);
-void aq_vec_add_stats(struct aq_vec_s *self,
- struct aq_ring_stats_rx_s *stats_rx,
- struct aq_ring_stats_tx_s *stats_tx);
#endif /* AQ_VEC_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index 9b1062b8af64..a312864969af 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_a0.c: Definition of Atlantic hardware specific functions. */
@@ -20,7 +21,7 @@
.msix_irqs = 4U, \
.irq_mask = ~0U, \
.vecs = HW_ATL_A0_RSS_MAX, \
- .tcs = HW_ATL_A0_TC_MAX, \
+ .tcs_max = HW_ATL_A0_TC_MAX, \
.rxd_alignment = 1U, \
.rxd_size = HW_ATL_A0_RXD_SIZE, \
.rxds_max = HW_ATL_A0_MAX_RXD, \
@@ -47,7 +48,7 @@ const struct aq_hw_caps_s hw_atl_a0_caps_aqc100 = {
DEFAULT_A0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_FIBRE,
.link_speed_msk = AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -57,7 +58,7 @@ const struct aq_hw_caps_s hw_atl_a0_caps_aqc107 = {
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_10G |
AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -66,7 +67,7 @@ const struct aq_hw_caps_s hw_atl_a0_caps_aqc108 = {
DEFAULT_A0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -74,7 +75,7 @@ const struct aq_hw_caps_s hw_atl_a0_caps_aqc108 = {
const struct aq_hw_caps_s hw_atl_a0_caps_aqc109 = {
DEFAULT_A0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
- .link_speed_msk = AQ_NIC_RATE_2GS |
+ .link_speed_msk = AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -135,10 +136,10 @@ static int hw_atl_a0_hw_qos_set(struct aq_hw_s *self)
hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
hw_atl_tps_tx_pkt_shed_data_arb_mode_set(self, 0U);
- hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, 0xFFF, 0U);
- hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, 0x64, 0U);
- hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, 0x50, 0U);
- hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, 0x1E, 0U);
+ hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, 0U, 0xFFF);
+ hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, 0U, 0x64);
+ hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, 0U, 0x50);
+ hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, 0U, 0x1E);
/* Tx buf size */
buff_size = HW_ATL_A0_TXBUF_MAX;
@@ -267,8 +268,7 @@ static int hw_atl_a0_hw_init_tx_path(struct aq_hw_s *self)
hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
- aq_hw_write_reg(self, 0x00007040U, IS_CHIP_FEATURE(TPO2) ?
- 0x00010000U : 0x00000000U);
+ aq_hw_write_reg(self, 0x00007040U, 0x00000000U);
hw_atl_tdm_tx_dca_en_set(self, 0U);
hw_atl_tdm_tx_dca_mode_set(self, 0U);
@@ -886,6 +886,8 @@ static int hw_atl_a0_hw_ring_rx_stop(struct aq_hw_s *self,
}
const struct aq_hw_ops hw_atl_ops_a0 = {
+ .hw_soft_reset = hw_atl_utils_soft_reset,
+ .hw_prepare = hw_atl_utils_initfw,
.hw_set_mac_address = hw_atl_a0_hw_mac_addr_set,
.hw_init = hw_atl_a0_hw_init,
.hw_reset = hw_atl_a0_hw_reset,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index d20d91cdece8..14d79f70cad7 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_b0.c: Definition of Atlantic hardware specific functions. */
@@ -22,7 +23,7 @@
.msix_irqs = 8U, \
.irq_mask = ~0U, \
.vecs = HW_ATL_B0_RSS_MAX, \
- .tcs = HW_ATL_B0_TC_MAX, \
+ .tcs_max = HW_ATL_B0_TC_MAX, \
.rxd_alignment = 1U, \
.rxd_size = HW_ATL_B0_RXD_SIZE, \
.rxds_max = HW_ATL_B0_MAX_RXD, \
@@ -45,7 +46,8 @@
NETIF_F_HW_VLAN_CTAG_RX | \
NETIF_F_HW_VLAN_CTAG_TX | \
NETIF_F_GSO_UDP_L4 | \
- NETIF_F_GSO_PARTIAL, \
+ NETIF_F_GSO_PARTIAL | \
+ NETIF_F_HW_TC, \
.hw_priv_flags = IFF_UNICAST_FLT, \
.flow_control = true, \
.mtu = HW_ATL_B0_MTU_JUMBO, \
@@ -59,7 +61,7 @@ const struct aq_hw_caps_s hw_atl_b0_caps_aqc100 = {
.media_type = AQ_HW_MEDIA_TYPE_FIBRE,
.link_speed_msk = AQ_NIC_RATE_10G |
AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -69,7 +71,7 @@ const struct aq_hw_caps_s hw_atl_b0_caps_aqc107 = {
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_10G |
AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -78,7 +80,7 @@ const struct aq_hw_caps_s hw_atl_b0_caps_aqc108 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
.link_speed_msk = AQ_NIC_RATE_5G |
- AQ_NIC_RATE_2GS |
+ AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -86,7 +88,7 @@ const struct aq_hw_caps_s hw_atl_b0_caps_aqc108 = {
const struct aq_hw_caps_s hw_atl_b0_caps_aqc109 = {
DEFAULT_B0_BOARD_BASIC_CAPABILITIES,
.media_type = AQ_HW_MEDIA_TYPE_TP,
- .link_speed_msk = AQ_NIC_RATE_2GS |
+ .link_speed_msk = AQ_NIC_RATE_2G5 |
AQ_NIC_RATE_1G |
AQ_NIC_RATE_100M,
};
@@ -113,12 +115,34 @@ static int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc)
return 0;
}
+static int hw_atl_b0_tc_ptp_set(struct aq_hw_s *self)
+{
+ /* Init TC2 for PTP_TX */
+ hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_TXBUF_SIZE,
+ AQ_HW_PTP_TC);
+
+ /* Init TC2 for PTP_RX */
+ hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_RXBUF_SIZE,
+ AQ_HW_PTP_TC);
+ /* No flow control for PTP */
+ hw_atl_rpb_rx_xoff_en_per_tc_set(self, 0U, AQ_HW_PTP_TC);
+
+ return aq_hw_err_from_flags(self);
+}
+
static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
{
- unsigned int i_priority = 0U;
- u32 buff_size = 0U;
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ u32 tx_buff_size = HW_ATL_B0_TXBUF_MAX;
+ u32 rx_buff_size = HW_ATL_B0_RXBUF_MAX;
+ unsigned int prio = 0U;
u32 tc = 0U;
+ if (cfg->is_ptp) {
+ tx_buff_size -= HW_ATL_B0_PTP_TXBUF_SIZE;
+ rx_buff_size -= HW_ATL_B0_PTP_RXBUF_SIZE;
+ }
+
/* TPS Descriptor rate init */
hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
hw_atl_tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA);
@@ -126,69 +150,45 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
/* TPS VM init */
hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U);
- /* TPS TC credits init */
- hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
- hw_atl_tps_tx_pkt_shed_data_arb_mode_set(self, 0U);
-
- tc = 0;
-
- /* TX Packet Scheduler Data TC0 */
- hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, 0xFFF, tc);
- hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, 0x64, tc);
- hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, 0x50, tc);
- hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, 0x1E, tc);
-
- /* Tx buf size TC0 */
- buff_size = HW_ATL_B0_TXBUF_MAX - HW_ATL_B0_PTP_TXBUF_SIZE;
-
- hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, buff_size, tc);
- hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self,
- (buff_size *
- (1024 / 32U) * 66U) /
- 100U, tc);
- hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self,
- (buff_size *
- (1024 / 32U) * 50U) /
- 100U, tc);
- /* Init TC2 for PTP_TX */
- tc = 2;
+ tx_buff_size /= cfg->tcs;
+ rx_buff_size /= cfg->tcs;
+ for (tc = 0; tc < cfg->tcs; tc++) {
+ u32 threshold = 0U;
- hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_TXBUF_SIZE,
- tc);
+ /* Tx buf size TC0 */
+ hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, tx_buff_size, tc);
- /* QoS Rx buf size per TC */
- tc = 0;
- buff_size = HW_ATL_B0_RXBUF_MAX - HW_ATL_B0_PTP_RXBUF_SIZE;
+ threshold = (tx_buff_size * (1024 / 32U) * 66U) / 100U;
+ hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self, threshold, tc);
- hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc);
- hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self,
- (buff_size *
- (1024U / 32U) * 66U) /
- 100U, tc);
- hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self,
- (buff_size *
- (1024U / 32U) * 50U) /
- 100U, tc);
+ threshold = (tx_buff_size * (1024 / 32U) * 50U) / 100U;
+ hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self, threshold, tc);
- hw_atl_b0_set_fc(self, self->aq_nic_cfg->fc.req, tc);
+ /* QoS Rx buf size per TC */
+ hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, rx_buff_size, tc);
- /* Init TC2 for PTP_RX */
- tc = 2;
+ threshold = (rx_buff_size * (1024U / 32U) * 66U) / 100U;
+ hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self, threshold, tc);
- hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, HW_ATL_B0_PTP_RXBUF_SIZE,
- tc);
- /* No flow control for PTP */
- hw_atl_rpb_rx_xoff_en_per_tc_set(self, 0U, tc);
+ threshold = (rx_buff_size * (1024U / 32U) * 50U) / 100U;
+ hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self, threshold, tc);
+
+ hw_atl_b0_set_fc(self, self->aq_nic_cfg->fc.req, tc);
+ }
+
+ if (cfg->is_ptp)
+ hw_atl_b0_tc_ptp_set(self);
/* QoS 802.1p priority -> TC mapping */
- for (i_priority = 8U; i_priority--;)
- hw_atl_rpf_rpb_user_priority_tc_map_set(self, i_priority, 0U);
+ for (prio = 0; prio < 8; ++prio)
+ hw_atl_rpf_rpb_user_priority_tc_map_set(self, prio,
+ cfg->prio_tc_map[prio]);
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
- struct aq_rss_parameters *rss_params)
+int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
+ struct aq_rss_parameters *rss_params)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
unsigned int addr = 0U;
@@ -251,9 +251,10 @@ err_exit:
return err;
}
-static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
- struct aq_nic_cfg_s *aq_nic_cfg)
+int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
+ struct aq_nic_cfg_s *aq_nic_cfg)
{
+ u64 rxcsum = !!(aq_nic_cfg->features & NETIF_F_RXCSUM);
unsigned int i;
/* TX checksums offloads*/
@@ -261,10 +262,8 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
- hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
- NETIF_F_RXCSUM));
- hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
- NETIF_F_RXCSUM));
+ hw_atl_rpo_ipv4header_crc_offload_en_set(self, rxcsum);
+ hw_atl_rpo_tcp_udp_crc_offload_en_set(self, rxcsum);
/* LSO offloads*/
hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
@@ -272,7 +271,7 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
/* Outer VLAN tag offload */
hw_atl_rpo_outer_vlan_tag_mode_set(self, 1U);
-/* LRO offloads */
+ /* LRO offloads */
{
unsigned int val = (8U < HW_ATL_B0_LRO_RXD_MAX) ? 0x3U :
((4U < HW_ATL_B0_LRO_RXD_MAX) ? 0x2U :
@@ -311,10 +310,124 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
+static int hw_atl_b0_hw_init_tx_tc_rate_limit(struct aq_hw_s *self)
+{
+ static const u32 max_weight = BIT(HW_ATL_TPS_DATA_TCTWEIGHT_WIDTH) - 1;
+ /* Scale factor is based on the number of bits in fractional portion */
+ static const u32 scale = BIT(HW_ATL_TPS_DESC_RATE_Y_WIDTH);
+ static const u32 frac_msk = HW_ATL_TPS_DESC_RATE_Y_MSK >>
+ HW_ATL_TPS_DESC_RATE_Y_SHIFT;
+ const u32 link_speed = self->aq_link_status.mbps;
+ struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
+ unsigned long num_min_rated_tcs = 0;
+ u32 tc_weight[AQ_CFG_TCS_MAX];
+ u32 fixed_max_credit;
+ u8 min_rate_msk = 0;
+ u32 sum_weight = 0;
+ int tc;
+
+ /* By default max_credit is based upon MTU (in unit of 64b) */
+ fixed_max_credit = nic_cfg->aq_hw_caps->mtu / 64;
+
+ if (link_speed) {
+ min_rate_msk = nic_cfg->tc_min_rate_msk &
+ (BIT(nic_cfg->tcs) - 1);
+ num_min_rated_tcs = hweight8(min_rate_msk);
+ }
+
+ /* First, calculate weights where min_rate is specified */
+ if (num_min_rated_tcs) {
+ for (tc = 0; tc != nic_cfg->tcs; tc++) {
+ if (!nic_cfg->tc_min_rate[tc]) {
+ tc_weight[tc] = 0;
+ continue;
+ }
+
+ tc_weight[tc] = (-1L + link_speed +
+ nic_cfg->tc_min_rate[tc] *
+ max_weight) /
+ link_speed;
+ tc_weight[tc] = min(tc_weight[tc], max_weight);
+ sum_weight += tc_weight[tc];
+ }
+ }
+
+ /* WSP, if min_rate is set for at least one TC.
+ * RR otherwise.
+ */
+ hw_atl_tps_tx_pkt_shed_data_arb_mode_set(self, min_rate_msk ? 1U : 0U);
+ /* Data TC Arbiter takes precedence over Descriptor TC Arbiter,
+ * leave Descriptor TC Arbiter as RR.
+ */
+ hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
+
+ hw_atl_tps_tx_desc_rate_mode_set(self, nic_cfg->is_qos ? 1U : 0U);
+
+ for (tc = 0; tc != nic_cfg->tcs; tc++) {
+ const u32 en = (nic_cfg->tc_max_rate[tc] != 0) ? 1U : 0U;
+ const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
+ u32 weight, max_credit;
+
+ hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, tc,
+ fixed_max_credit);
+ hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, tc, 0x1E);
+
+ if (num_min_rated_tcs) {
+ weight = tc_weight[tc];
+
+ if (!weight && sum_weight < max_weight)
+ weight = (max_weight - sum_weight) /
+ (nic_cfg->tcs - num_min_rated_tcs);
+ else if (!weight)
+ weight = 0x64;
+
+ max_credit = max(8 * weight, fixed_max_credit);
+ } else {
+ weight = 0x64;
+ max_credit = 0xFFF;
+ }
+
+ hw_atl_tps_tx_pkt_shed_tc_data_weight_set(self, tc, weight);
+ hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(self, tc,
+ max_credit);
+
+ hw_atl_tps_tx_desc_rate_en_set(self, desc, en);
+
+ if (en) {
+ /* Nominal rate is always 10G */
+ const u32 rate = 10000U * scale /
+ nic_cfg->tc_max_rate[tc];
+ const u32 rate_int = rate >>
+ HW_ATL_TPS_DESC_RATE_Y_WIDTH;
+ const u32 rate_frac = rate & frac_msk;
+
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, rate_int);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, rate_frac);
+ } else {
+ /* A value of 1 indicates the queue is not
+ * rate controlled.
+ */
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
+ }
+ }
+ for (tc = nic_cfg->tcs; tc != AQ_CFG_TCS_MAX; tc++) {
+ const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
+
+ hw_atl_tps_tx_desc_rate_en_set(self, desc, 0U);
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
{
+ struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
+
/* Tx TC/Queue number config */
- hw_atl_rpb_tps_tx_tc_mode_set(self, 1U);
+ hw_atl_tpb_tps_tx_tc_mode_set(self, nic_cfg->tc_mode);
hw_atl_thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U);
hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U);
@@ -324,7 +437,7 @@ static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
- aq_hw_write_reg(self, 0x00007040U, IS_CHIP_FEATURE(TPO2) ?
+ aq_hw_write_reg(self, 0x00007040U, ATL_HW_IS_CHIP_FEATURE(self, TPO2) ?
0x00010000U : 0x00000000U);
hw_atl_tdm_tx_dca_en_set(self, 0U);
hw_atl_tdm_tx_dca_mode_set(self, 0U);
@@ -334,20 +447,32 @@ static int hw_atl_b0_hw_init_tx_path(struct aq_hw_s *self)
return aq_hw_err_from_flags(self);
}
+void hw_atl_b0_hw_init_rx_rss_ctrl1(struct aq_hw_s *self)
+{
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ u32 rss_ctrl1 = HW_ATL_RSS_DISABLED;
+
+ if (cfg->is_rss)
+ rss_ctrl1 = (cfg->tc_mode == AQ_TC_MODE_8TCS) ?
+ HW_ATL_RSS_ENABLED_8TCS_2INDEX_BITS :
+ HW_ATL_RSS_ENABLED_4TCS_3INDEX_BITS;
+
+ hw_atl_reg_rx_flr_rss_control1set(self, rss_ctrl1);
+}
+
static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
int i;
/* Rx TC/RSS number config */
- hw_atl_rpb_rpf_rx_traf_class_mode_set(self, 1U);
+ hw_atl_rpb_rpf_rx_traf_class_mode_set(self, cfg->tc_mode);
/* Rx flow control */
hw_atl_rpb_rx_flow_ctl_mode_set(self, 1U);
/* RSS Ring selection */
- hw_atl_reg_rx_flr_rss_control1set(self, cfg->is_rss ?
- 0xB3333333U : 0x00000000U);
+ hw_atl_b0_hw_init_rx_rss_ctrl1(self);
/* Multicast filters */
for (i = HW_ATL_B0_MAC_MAX; i--;) {
@@ -372,8 +497,8 @@ static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
/* misc */
- aq_hw_write_reg(self, 0x00005040U,
- IS_CHIP_FEATURE(RPF2) ? 0x000F0000U : 0x00000000U);
+ aq_hw_write_reg(self, 0x00005040U, ATL_HW_IS_CHIP_FEATURE(self, RPF2) ?
+ 0x000F0000U : 0x00000000U);
hw_atl_rpfl2broadcast_flr_act_set(self, 1U);
hw_atl_rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U));
@@ -384,7 +509,7 @@ static int hw_atl_b0_hw_init_rx_path(struct aq_hw_s *self)
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
+int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr)
{
unsigned int h = 0U;
unsigned int l = 0U;
@@ -479,23 +604,21 @@ err_exit:
return err;
}
-static int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_tdm_tx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_rdm_rx_desc_en_set(self, 1, ring->idx);
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_start(struct aq_hw_s *self)
+int hw_atl_b0_hw_start(struct aq_hw_s *self)
{
hw_atl_tpb_tx_buff_en_set(self, 1);
hw_atl_rpb_rx_buff_en_set(self, 1);
@@ -511,9 +634,8 @@ static int hw_atl_b0_hw_tx_ring_tail_update(struct aq_hw_s *self,
return 0;
}
-static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
- struct aq_ring_s *ring,
- unsigned int frags)
+int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int frags)
{
struct aq_ring_buff_s *buff = NULL;
struct hw_atl_txd_s *txd = NULL;
@@ -600,9 +722,8 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
- struct aq_ring_s *aq_ring,
- struct aq_ring_param_s *aq_ring_param)
+int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param)
{
u32 dma_desc_addr_msw = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
u32 vlan_rx_stripping = self->aq_nic_cfg->is_vlan_rx_strip;
@@ -643,9 +764,8 @@ static int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self,
- struct aq_ring_s *aq_ring,
- struct aq_ring_param_s *aq_ring_param)
+int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param)
{
u32 dma_desc_msw_addr = (u32)(((u64)aq_ring->dx_ring_pa) >> 32);
u32 dma_desc_lsw_addr = (u32)aq_ring->dx_ring_pa;
@@ -673,9 +793,8 @@ static int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self,
- struct aq_ring_s *ring,
- unsigned int sw_tail_old)
+int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int sw_tail_old)
{
for (; sw_tail_old != ring->sw_tail;
sw_tail_old = aq_ring_next_dx(ring, sw_tail_old)) {
@@ -734,8 +853,8 @@ static int hw_atl_b0_hw_ring_hwts_rx_receive(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
+ struct aq_ring_s *ring)
{
unsigned int hw_head_;
int err = 0;
@@ -753,8 +872,7 @@ err_exit:
return err;
}
-static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, struct aq_ring_s *ring)
{
for (; ring->hw_head != ring->sw_tail;
ring->hw_head = aq_ring_next_dx(ring, ring->hw_head)) {
@@ -854,14 +972,14 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask)
+int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask)
{
hw_atl_itr_irq_msk_setlsw_set(self, LODWORD(mask));
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
+int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
{
hw_atl_itr_irq_msk_clearlsw_set(self, LODWORD(mask));
hw_atl_itr_irq_status_clearlsw_set(self, LODWORD(mask));
@@ -871,7 +989,7 @@ static int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask)
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
+int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
{
*mask = hw_atl_itr_irq_statuslsw_get(self);
@@ -880,8 +998,8 @@ static int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask)
#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
-static int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
- unsigned int packet_filter)
+int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
+ unsigned int packet_filter)
{
struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
unsigned int i = 0U;
@@ -1071,34 +1189,20 @@ err_exit:
return err;
}
-static int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_tdm_tx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self,
- struct aq_ring_s *ring)
+int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring)
{
hw_atl_rdm_rx_desc_en_set(self, 0U, ring->idx);
return aq_hw_err_from_flags(self);
}
-static int hw_atl_b0_tx_tc_mode_get(struct aq_hw_s *self, u32 *tc_mode)
-{
- *tc_mode = hw_atl_rpb_tps_tx_tc_mode_get(self);
- return aq_hw_err_from_flags(self);
-}
-
-static int hw_atl_b0_rx_tc_mode_get(struct aq_hw_s *self, u32 *tc_mode)
-{
- *tc_mode = hw_atl_rpb_rpf_rx_traf_class_mode_get(self);
- return aq_hw_err_from_flags(self);
-}
-
#define get_ptp_ts_val_u64(self, indx) \
((u64)(hw_atl_pcs_ptp_clock_get(self, indx) & 0xffff))
@@ -1478,6 +1582,8 @@ static int hw_atl_b0_set_loopback(struct aq_hw_s *self, u32 mode, bool enable)
}
const struct aq_hw_ops hw_atl_ops_b0 = {
+ .hw_soft_reset = hw_atl_utils_soft_reset,
+ .hw_prepare = hw_atl_utils_initfw,
.hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
.hw_init = hw_atl_b0_hw_init,
.hw_reset = hw_atl_b0_hw_reset,
@@ -1510,13 +1616,11 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_interrupt_moderation_set = hw_atl_b0_hw_interrupt_moderation_set,
.hw_rss_set = hw_atl_b0_hw_rss_set,
.hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set,
+ .hw_tc_rate_limit_set = hw_atl_b0_hw_init_tx_tc_rate_limit,
.hw_get_regs = hw_atl_utils_hw_get_regs,
.hw_get_hw_stats = hw_atl_utils_get_hw_stats,
.hw_get_fw_version = hw_atl_utils_get_fw_version,
- .hw_tx_tc_mode_get = hw_atl_b0_tx_tc_mode_get,
- .hw_rx_tc_mode_get = hw_atl_b0_rx_tc_mode_get,
-
.hw_ring_hwts_rx_fill = hw_atl_b0_hw_ring_hwts_rx_fill,
.hw_ring_hwts_rx_receive = hw_atl_b0_hw_ring_hwts_rx_receive,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
index 09af1683034b..30f468f2084d 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.h
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_b0.h: Declaration of abstract interface for Atlantic hardware
@@ -33,4 +34,41 @@ extern const struct aq_hw_ops hw_atl_ops_b0;
#define hw_atl_ops_b1 hw_atl_ops_b0
+int hw_atl_b0_hw_rss_hash_set(struct aq_hw_s *self,
+ struct aq_rss_parameters *rss_params);
+int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
+ struct aq_nic_cfg_s *aq_nic_cfg);
+
+int hw_atl_b0_hw_ring_tx_start(struct aq_hw_s *self, struct aq_ring_s *ring);
+int hw_atl_b0_hw_ring_rx_start(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+int hw_atl_b0_hw_ring_rx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param);
+int hw_atl_b0_hw_ring_rx_fill(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int sw_tail_old);
+int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+int hw_atl_b0_hw_ring_tx_init(struct aq_hw_s *self, struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param);
+int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, struct aq_ring_s *ring,
+ unsigned int frags);
+int hw_atl_b0_hw_ring_tx_head_update(struct aq_hw_s *self,
+ struct aq_ring_s *ring);
+
+int hw_atl_b0_hw_ring_tx_stop(struct aq_hw_s *self, struct aq_ring_s *ring);
+int hw_atl_b0_hw_ring_rx_stop(struct aq_hw_s *self, struct aq_ring_s *ring);
+
+void hw_atl_b0_hw_init_rx_rss_ctrl1(struct aq_hw_s *self);
+
+int hw_atl_b0_hw_mac_addr_set(struct aq_hw_s *self, u8 *mac_addr);
+
+int hw_atl_b0_hw_start(struct aq_hw_s *self);
+
+int hw_atl_b0_hw_irq_enable(struct aq_hw_s *self, u64 mask);
+int hw_atl_b0_hw_irq_disable(struct aq_hw_s *self, u64 mask);
+int hw_atl_b0_hw_irq_read(struct aq_hw_s *self, u64 *mask);
+
+int hw_atl_b0_hw_packet_filter_set(struct aq_hw_s *self,
+ unsigned int packet_filter);
+
#endif /* HW_ATL_B0_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
index 7ab23a1751d3..cf460d61a45e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h
@@ -75,7 +75,7 @@
#define HW_ATL_B0_RSS_HASHKEY_BITS 320U
#define HW_ATL_B0_TCRSS_4_8 1
-#define HW_ATL_B0_TC_MAX 1U
+#define HW_ATL_B0_TC_MAX 8U
#define HW_ATL_B0_RSS_MAX 8U
#define HW_ATL_B0_LRO_RXD_MAX 16U
@@ -151,6 +151,10 @@
#define HW_ATL_B0_MAX_RXD 8184U
#define HW_ATL_B0_MAX_TXD 8184U
+#define HW_ATL_RSS_DISABLED 0x00000000U
+#define HW_ATL_RSS_ENABLED_8TCS_2INDEX_BITS 0xA2222222U
+#define HW_ATL_RSS_ENABLED_4TCS_3INDEX_BITS 0x80003333U
+
/* HW layer capabilities */
#endif /* HW_ATL_B0_INTERNAL_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index d1f68fc16291..3c8e8047ea1e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -693,6 +693,13 @@ void hw_atl_rpfl2multicast_flr_en_set(struct aq_hw_s *aq_hw,
HW_ATL_RPFL2MC_ENF_SHIFT, l2multicast_flr_en);
}
+u32 hw_atl_rpfl2promiscuous_mode_en_get(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg_bit(aq_hw, HW_ATL_RPFL2PROMIS_MODE_ADR,
+ HW_ATL_RPFL2PROMIS_MODE_MSK,
+ HW_ATL_RPFL2PROMIS_MODE_SHIFT);
+}
+
void hw_atl_rpfl2promiscuous_mode_en_set(struct aq_hw_s *aq_hw,
u32 l2promiscuous_mode_en)
{
@@ -747,7 +754,7 @@ void hw_atl_rpfl2_accept_all_mc_packets_set(struct aq_hw_s *aq_hw,
}
void hw_atl_rpf_rpb_user_priority_tc_map_set(struct aq_hw_s *aq_hw,
- u32 user_priority_tc_map, u32 tc)
+ u32 user_priority, u32 tc)
{
/* register address for bitfield rx_tc_up{t}[2:0] */
static u32 rpf_rpb_rx_tc_upt_adr[8] = {
@@ -766,10 +773,9 @@ void hw_atl_rpf_rpb_user_priority_tc_map_set(struct aq_hw_s *aq_hw,
0U, 4U, 8U, 12U, 16U, 20U, 24U, 28U
};
- aq_hw_write_reg_bit(aq_hw, rpf_rpb_rx_tc_upt_adr[tc],
- rpf_rpb_rx_tc_upt_msk[tc],
- rpf_rpb_rx_tc_upt_shft[tc],
- user_priority_tc_map);
+ aq_hw_write_reg_bit(aq_hw, rpf_rpb_rx_tc_upt_adr[user_priority],
+ rpf_rpb_rx_tc_upt_msk[user_priority],
+ rpf_rpb_rx_tc_upt_shft[user_priority], tc);
}
void hw_atl_rpf_rss_key_addr_set(struct aq_hw_s *aq_hw, u32 rss_key_addr)
@@ -867,6 +873,13 @@ void hw_atl_rpf_vlan_prom_mode_en_set(struct aq_hw_s *aq_hw,
vlan_prom_mode_en);
}
+u32 hw_atl_rpf_vlan_prom_mode_en_get(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg_bit(aq_hw, HW_ATL_RPF_VL_PROMIS_MODE_ADR,
+ HW_ATL_RPF_VL_PROMIS_MODE_MSK,
+ HW_ATL_RPF_VL_PROMIS_MODE_SHIFT);
+}
+
void hw_atl_rpf_vlan_accept_untagged_packets_set(struct aq_hw_s *aq_hw,
u32 vlan_acc_untagged_packets)
{
@@ -1304,14 +1317,14 @@ void hw_atl_tpb_tx_buff_en_set(struct aq_hw_s *aq_hw, u32 tx_buff_en)
HW_ATL_TPB_TX_BUF_EN_SHIFT, tx_buff_en);
}
-u32 hw_atl_rpb_tps_tx_tc_mode_get(struct aq_hw_s *aq_hw)
+u32 hw_atl_tpb_tps_tx_tc_mode_get(struct aq_hw_s *aq_hw)
{
return aq_hw_read_reg_bit(aq_hw, HW_ATL_TPB_TX_TC_MODE_ADDR,
HW_ATL_TPB_TX_TC_MODE_MSK,
HW_ATL_TPB_TX_TC_MODE_SHIFT);
}
-void hw_atl_rpb_tps_tx_tc_mode_set(struct aq_hw_s *aq_hw,
+void hw_atl_tpb_tps_tx_tc_mode_set(struct aq_hw_s *aq_hw,
u32 tx_traf_class_mode)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_TPB_TX_TC_MODE_ADDR,
@@ -1450,8 +1463,8 @@ void hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(struct aq_hw_s *aq_hw,
}
void hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(struct aq_hw_s *aq_hw,
- u32 max_credit,
- u32 tc)
+ const u32 tc,
+ const u32 max_credit)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DESC_TCTCREDIT_MAX_ADR(tc),
HW_ATL_TPS_DESC_TCTCREDIT_MAX_MSK,
@@ -1460,13 +1473,13 @@ void hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(struct aq_hw_s *aq_hw,
}
void hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(struct aq_hw_s *aq_hw,
- u32 tx_pkt_shed_desc_tc_weight,
- u32 tc)
+ const u32 tc,
+ const u32 weight)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DESC_TCTWEIGHT_ADR(tc),
HW_ATL_TPS_DESC_TCTWEIGHT_MSK,
HW_ATL_TPS_DESC_TCTWEIGHT_SHIFT,
- tx_pkt_shed_desc_tc_weight);
+ weight);
}
void hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(struct aq_hw_s *aq_hw,
@@ -1479,8 +1492,8 @@ void hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(struct aq_hw_s *aq_hw,
}
void hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
- u32 max_credit,
- u32 tc)
+ const u32 tc,
+ const u32 max_credit)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DATA_TCTCREDIT_MAX_ADR(tc),
HW_ATL_TPS_DATA_TCTCREDIT_MAX_MSK,
@@ -1489,13 +1502,49 @@ void hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
}
void hw_atl_tps_tx_pkt_shed_tc_data_weight_set(struct aq_hw_s *aq_hw,
- u32 tx_pkt_shed_tc_data_weight,
- u32 tc)
+ const u32 tc,
+ const u32 weight)
{
aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DATA_TCTWEIGHT_ADR(tc),
HW_ATL_TPS_DATA_TCTWEIGHT_MSK,
HW_ATL_TPS_DATA_TCTWEIGHT_SHIFT,
- tx_pkt_shed_tc_data_weight);
+ weight);
+}
+
+void hw_atl_tps_tx_desc_rate_mode_set(struct aq_hw_s *aq_hw,
+ const u32 rate_mode)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_TX_DESC_RATE_MODE_ADR,
+ HW_ATL_TPS_TX_DESC_RATE_MODE_MSK,
+ HW_ATL_TPS_TX_DESC_RATE_MODE_SHIFT,
+ rate_mode);
+}
+
+void hw_atl_tps_tx_desc_rate_en_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 enable)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DESC_RATE_EN_ADR(desc),
+ HW_ATL_TPS_DESC_RATE_EN_MSK,
+ HW_ATL_TPS_DESC_RATE_EN_SHIFT,
+ enable);
+}
+
+void hw_atl_tps_tx_desc_rate_x_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 rate_int)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DESC_RATE_X_ADR(desc),
+ HW_ATL_TPS_DESC_RATE_X_MSK,
+ HW_ATL_TPS_DESC_RATE_X_SHIFT,
+ rate_int);
+}
+
+void hw_atl_tps_tx_desc_rate_y_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 rate_frac)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL_TPS_DESC_RATE_Y_ADR(desc),
+ HW_ATL_TPS_DESC_RATE_Y_MSK,
+ HW_ATL_TPS_DESC_RATE_Y_SHIFT,
+ rate_frac);
}
/* tx */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
index 62992b23c0e8..61a6f70c51cd 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
@@ -349,6 +349,9 @@ void hw_atl_rpfl2multicast_flr_en_set(struct aq_hw_s *aq_hw,
u32 l2multicast_flr_en,
u32 filter);
+/* get l2 promiscuous mode enable */
+u32 hw_atl_rpfl2promiscuous_mode_en_get(struct aq_hw_s *aq_hw);
+
/* set l2 promiscuous mode enable */
void hw_atl_rpfl2promiscuous_mode_en_set(struct aq_hw_s *aq_hw,
u32 l2promiscuous_mode_en);
@@ -420,6 +423,9 @@ void hw_atl_rpf_vlan_outer_etht_set(struct aq_hw_s *aq_hw, u32 vlan_outer_etht);
void hw_atl_rpf_vlan_prom_mode_en_set(struct aq_hw_s *aq_hw,
u32 vlan_prom_mode_en);
+/* Get VLAN promiscuous mode enable */
+u32 hw_atl_rpf_vlan_prom_mode_en_get(struct aq_hw_s *aq_hw);
+
/* Set VLAN untagged action */
void hw_atl_rpf_vlan_untagged_act_set(struct aq_hw_s *aq_hw,
u32 vlan_untagged_act);
@@ -610,11 +616,11 @@ void hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(struct aq_hw_s *aq_hw,
/* tpb */
/* set TX Traffic Class Mode */
-void hw_atl_rpb_tps_tx_tc_mode_set(struct aq_hw_s *aq_hw,
+void hw_atl_tpb_tps_tx_tc_mode_set(struct aq_hw_s *aq_hw,
u32 tx_traf_class_mode);
/* get TX Traffic Class Mode */
-u32 hw_atl_rpb_tps_tx_tc_mode_get(struct aq_hw_s *aq_hw);
+u32 hw_atl_tpb_tps_tx_tc_mode_get(struct aq_hw_s *aq_hw);
/* set tx buffer enable */
void hw_atl_tpb_tx_buff_en_set(struct aq_hw_s *aq_hw, u32 tx_buff_en);
@@ -682,13 +688,13 @@ void hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(struct aq_hw_s *aq_hw,
/* set tx packet scheduler descriptor tc max credit */
void hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(struct aq_hw_s *aq_hw,
- u32 max_credit,
- u32 tc);
+ const u32 tc,
+ const u32 max_credit);
/* set tx packet scheduler descriptor tc weight */
void hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(struct aq_hw_s *aq_hw,
- u32 tx_pkt_shed_desc_tc_weight,
- u32 tc);
+ const u32 tc,
+ const u32 weight);
/* set tx packet scheduler descriptor vm arbitration mode */
void hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(struct aq_hw_s *aq_hw,
@@ -696,13 +702,29 @@ void hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(struct aq_hw_s *aq_hw,
/* set tx packet scheduler tc data max credit */
void hw_atl_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
- u32 max_credit,
- u32 tc);
+ const u32 tc,
+ const u32 max_credit);
/* set tx packet scheduler tc data weight */
void hw_atl_tps_tx_pkt_shed_tc_data_weight_set(struct aq_hw_s *aq_hw,
- u32 tx_pkt_shed_tc_data_weight,
- u32 tc);
+ const u32 tc,
+ const u32 weight);
+
+/* set tx descriptor rate mode */
+void hw_atl_tps_tx_desc_rate_mode_set(struct aq_hw_s *aq_hw,
+ const u32 rate_mode);
+
+/* set tx packet scheduler descriptor rate enable */
+void hw_atl_tps_tx_desc_rate_en_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 enable);
+
+/* set tx packet scheduler descriptor rate integral value */
+void hw_atl_tps_tx_desc_rate_x_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 rate_int);
+
+/* set tx packet scheduler descriptor rate fractional value */
+void hw_atl_tps_tx_desc_rate_y_set(struct aq_hw_s *aq_hw, const u32 desc,
+ const u32 rate_frac);
/* tx */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index 18de2f7b8959..06220792daf1 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -2038,6 +2038,42 @@
/* default value of bitfield lso_tcp_flag_mid[b:0] */
#define HW_ATL_THM_LSO_TCP_FLAG_MID_DEFAULT 0x0
+/* tx tx_tc_mode bitfield definitions
+ * preprocessor definitions for the bitfield "tx_tc_mode".
+ * port="pif_tpb_tx_tc_mode_i,pif_tps_tx_tc_mode_i"
+ */
+
+/* register address for bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_ADDR 0x00007900
+/* bitmask for bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_MSK 0x00000100
+/* inverted bitmask for bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_MSKN 0xFFFFFEFF
+/* lower bit position of bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_SHIFT 8
+/* width of bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_WIDTH 1
+/* default value of bitfield tx_tc_mode */
+#define HW_ATL_TPB_TX_TC_MODE_DEFAULT 0x0
+
+/* tx tx_desc_rate_mode bitfield definitions
+ * preprocessor definitions for the bitfield "tx_desc_rate_mode".
+ * port="pif_tps_desc_rate_mode_i"
+ */
+
+/* register address for bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_ADR 0x00007900
+/* bitmask for bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_MSK 0x00000080
+/* inverted bitmask for bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_MSKN 0xFFFFFF7F
+/* lower bit position of bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_SHIFT 7
+/* width of bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_WIDTH 1
+/* default value of bitfield tx_desc_rate_mode */
+#define HW_ATL_TPS_TX_DESC_RATE_MODE_DEFAULT 0x0
+
/* tx tx_buf_en bitfield definitions
* preprocessor definitions for the bitfield "tx_buf_en".
* port="pif_tpb_tx_buf_en_i"
@@ -2056,19 +2092,6 @@
/* default value of bitfield tx_buf_en */
#define HW_ATL_TPB_TX_BUF_EN_DEFAULT 0x0
-/* register address for bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_ADDR 0x00007900
-/* bitmask for bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_MSK 0x00000100
-/* inverted bitmask for bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_MSKN 0xFFFFFEFF
-/* lower bit position of bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_SHIFT 8
-/* width of bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_WIDTH 1
-/* default value of bitfield tx_tc_mode */
-#define HW_ATL_TPB_TX_TC_MODE_DEFAULT 0x0
-
/* tx tx{b}_hi_thresh[c:0] bitfield definitions
* preprocessor definitions for the bitfield "tx{b}_hi_thresh[c:0]".
* parameter: buffer {b} | stride size 0x10 | range [0, 7]
@@ -2270,6 +2293,58 @@
/* default value of bitfield data_tc_arb_mode */
#define HW_ATL_TPS_DATA_TC_ARB_MODE_DEFAULT 0x0
+/* tx desc{r}_rate_en bitfield definitions
+ * preprocessor definitions for the bitfield "desc{r}_rate_en".
+ * port="pif_tps_desc_rate_en_i[0]"
+ */
+
+/* register address for bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_ADR(desc) (0x00007408 + (desc) * 0x10)
+/* bitmask for bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_MSK 0x80000000
+/* inverted bitmask for bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_MSKN 0x7FFFFFFF
+/* lower bit position of bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_SHIFT 31
+/* width of bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_WIDTH 1
+/* default value of bitfield desc{r}_rate_en */
+#define HW_ATL_TPS_DESC_RATE_EN_DEFAULT 0x0
+
+/* tx desc{r}_rate_x bitfield definitions
+ * preprocessor definitions for the bitfield "desc{r}_rate_x".
+ * port="pif_tps_desc0_rate_x"
+ */
+/* register address for bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_ADR(desc) (0x00007408 + (desc) * 0x10)
+/* bitmask for bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_MSK 0x03FF0000
+/* inverted bitmask for bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_MSKN 0xFC00FFFF
+/* lower bit position of bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_SHIFT 16
+/* width of bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_WIDTH 10
+/* default value of bitfield desc{r}_rate_x */
+#define HW_ATL_TPS_DESC_RATE_X_DEFAULT 0x0
+
+/* tx desc{r}_rate_y bitfield definitions
+ * preprocessor definitions for the bitfield "desc{r}_rate_y".
+ * port="pif_tps_desc0_rate_y"
+ */
+/* register address for bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_ADR(desc) (0x00007408 + (desc) * 0x10)
+/* bitmask for bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_MSK 0x00003FFF
+/* inverted bitmask for bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_MSKN 0xFFFFC000
+/* lower bit position of bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_SHIFT 0
+/* width of bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_WIDTH 14
+/* default value of bitfield desc{r}_rate_y */
+#define HW_ATL_TPS_DESC_RATE_Y_DEFAULT 0x0
+
/* tx desc_rate_ta_rst bitfield definitions
* preprocessor definitions for the bitfield "desc_rate_ta_rst".
* port="pif_tps_desc_rate_ta_rst_i"
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index 354705f9bc49..73c0f41df8d8 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_utils.c: Definition of common functions for Atlantic hardware
@@ -53,7 +54,6 @@ enum mcp_area {
MCP_AREA_SETTINGS = 0x20000000,
};
-static int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual);
static int hw_atl_utils_mpi_set_state(struct aq_hw_s *self,
enum hal_atl_utils_fw_state_e state);
static u32 hw_atl_utils_get_mpi_mbox_tid(struct aq_hw_s *self);
@@ -67,14 +67,10 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
{
int err = 0;
- err = hw_atl_utils_soft_reset(self);
- if (err)
- return err;
-
hw_atl_utils_hw_chip_features_init(self,
&self->chip_features);
- hw_atl_utils_get_fw_version(self, &self->fw_ver_actual);
+ self->fw_ver_actual = hw_atl_utils_get_fw_version(self);
if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X,
self->fw_ver_actual) == 0) {
@@ -313,7 +309,7 @@ int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a,
for (++cnt; --cnt && !err;) {
aq_hw_write_reg(self, HW_ATL_MIF_CMD, 0x00008000U);
- if (IS_CHIP_FEATURE(REVISION_B1))
+ if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_B1))
err = readx_poll_timeout_atomic(hw_atl_utils_mif_addr_get,
self, val, val != a,
1U, 1000U);
@@ -409,7 +405,7 @@ static int hw_atl_utils_fw_upload_dwords(struct aq_hw_s *self, u32 addr, u32 *p,
if (err < 0)
goto err_exit;
- if (IS_CHIP_FEATURE(REVISION_B1))
+ if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_B1))
err = hw_atl_utils_write_b1_mbox(self, addr, p, cnt, area);
else
err = hw_atl_utils_write_b0_mbox(self, addr, p, cnt);
@@ -438,7 +434,7 @@ int hw_atl_write_fwsettings_dwords(struct aq_hw_s *self, u32 offset, u32 *p,
p, cnt, MCP_AREA_SETTINGS);
}
-static int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual)
+int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual)
{
const u32 dw_major_mask = 0xff000000U;
const u32 dw_minor_mask = 0x00ffffffU;
@@ -501,7 +497,7 @@ int hw_atl_utils_fw_rpc_call(struct aq_hw_s *self, unsigned int rpc_size)
struct aq_hw_atl_utils_fw_rpc_tid_s sw;
int err = 0;
- if (!IS_CHIP_FEATURE(MIPS)) {
+ if (!ATL_HW_IS_CHIP_FEATURE(self, MIPS)) {
err = -1;
goto err_exit;
}
@@ -607,7 +603,7 @@ void hw_atl_utils_mpi_read_stats(struct aq_hw_s *self,
if (err < 0)
goto err_exit;
- if (IS_CHIP_FEATURE(REVISION_A0)) {
+ if (ATL_HW_IS_CHIP_FEATURE(self, REVISION_A0)) {
unsigned int mtu = self->aq_nic_cfg ?
self->aq_nic_cfg->mtu : 1514U;
pmbox->stats.ubrc = pmbox->stats.uprc * mtu;
@@ -692,7 +688,7 @@ int hw_atl_utils_mpi_get_link_status(struct aq_hw_s *self)
link_status->mbps = 5000U;
break;
- case HAL_ATLANTIC_RATE_2GS:
+ case HAL_ATLANTIC_RATE_2G5:
link_status->mbps = 2500U;
break;
@@ -806,22 +802,24 @@ void hw_atl_utils_hw_chip_features_init(struct aq_hw_s *self, u32 *p)
u32 mif_rev = val & 0xFFU;
u32 chip_features = 0U;
+ chip_features |= ATL_HW_CHIP_ATLANTIC;
+
if ((0xFU & mif_rev) == 1U) {
- chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 |
- HAL_ATLANTIC_UTILS_CHIP_MPI_AQ |
- HAL_ATLANTIC_UTILS_CHIP_MIPS;
+ chip_features |= ATL_HW_CHIP_REVISION_A0 |
+ ATL_HW_CHIP_MPI_AQ |
+ ATL_HW_CHIP_MIPS;
} else if ((0xFU & mif_rev) == 2U) {
- chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 |
- HAL_ATLANTIC_UTILS_CHIP_MPI_AQ |
- HAL_ATLANTIC_UTILS_CHIP_MIPS |
- HAL_ATLANTIC_UTILS_CHIP_TPO2 |
- HAL_ATLANTIC_UTILS_CHIP_RPF2;
+ chip_features |= ATL_HW_CHIP_REVISION_B0 |
+ ATL_HW_CHIP_MPI_AQ |
+ ATL_HW_CHIP_MIPS |
+ ATL_HW_CHIP_TPO2 |
+ ATL_HW_CHIP_RPF2;
} else if ((0xFU & mif_rev) == 0xAU) {
- chip_features |= HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 |
- HAL_ATLANTIC_UTILS_CHIP_MPI_AQ |
- HAL_ATLANTIC_UTILS_CHIP_MIPS |
- HAL_ATLANTIC_UTILS_CHIP_TPO2 |
- HAL_ATLANTIC_UTILS_CHIP_RPF2;
+ chip_features |= ATL_HW_CHIP_REVISION_B1 |
+ ATL_HW_CHIP_MPI_AQ |
+ ATL_HW_CHIP_MIPS |
+ ATL_HW_CHIP_TPO2 |
+ ATL_HW_CHIP_RPF2;
}
*p = chip_features;
@@ -919,11 +917,9 @@ int hw_atl_utils_hw_get_regs(struct aq_hw_s *self,
return 0;
}
-int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version)
+u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self)
{
- *fw_version = aq_hw_read_reg(self, 0x18U);
-
- return 0;
+ return aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
}
static int aq_fw1x_set_wake_magic(struct aq_hw_s *self, bool wol_enabled,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
index b15513914636..0b4b54fc1de0 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h
@@ -1,7 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_utils.h: Declaration of common functions for Atlantic hardware
@@ -360,6 +361,8 @@ struct aq_rx_filter_vlan {
u8 queue;
};
+#define HW_ATL_VLAN_MAX_FILTERS 16U
+
struct aq_rx_filter_l2 {
s8 queue;
u8 location;
@@ -406,17 +409,6 @@ enum hw_atl_rx_ctrl_registers_l3l4 {
#define HW_ATL_GET_REG_LOCATION_FL3L4(location) \
((location) - AQ_RX_FIRST_LOC_FL3L4)
-#define HAL_ATLANTIC_UTILS_CHIP_MIPS 0x00000001U
-#define HAL_ATLANTIC_UTILS_CHIP_TPO2 0x00000002U
-#define HAL_ATLANTIC_UTILS_CHIP_RPF2 0x00000004U
-#define HAL_ATLANTIC_UTILS_CHIP_MPI_AQ 0x00000010U
-#define HAL_ATLANTIC_UTILS_CHIP_REVISION_A0 0x01000000U
-#define HAL_ATLANTIC_UTILS_CHIP_REVISION_B0 0x02000000U
-#define HAL_ATLANTIC_UTILS_CHIP_REVISION_B1 0x04000000U
-
-#define IS_CHIP_FEATURE(_F_) (HAL_ATLANTIC_UTILS_CHIP_##_F_ & \
- self->chip_features)
-
enum hal_atl_utils_fw_state_e {
MPI_DEINIT = 0,
MPI_RESET = 1,
@@ -427,7 +419,7 @@ enum hal_atl_utils_fw_state_e {
#define HAL_ATLANTIC_RATE_10G BIT(0)
#define HAL_ATLANTIC_RATE_5G BIT(1)
#define HAL_ATLANTIC_RATE_5GSR BIT(2)
-#define HAL_ATLANTIC_RATE_2GS BIT(3)
+#define HAL_ATLANTIC_RATE_2G5 BIT(3)
#define HAL_ATLANTIC_RATE_1G BIT(4)
#define HAL_ATLANTIC_RATE_100M BIT(5)
#define HAL_ATLANTIC_RATE_INVALID BIT(6)
@@ -622,7 +614,7 @@ int hw_atl_utils_hw_set_power(struct aq_hw_s *self,
int hw_atl_utils_hw_deinit(struct aq_hw_s *self);
-int hw_atl_utils_get_fw_version(struct aq_hw_s *self, u32 *fw_version);
+u32 hw_atl_utils_get_fw_version(struct aq_hw_s *self);
int hw_atl_utils_update_stats(struct aq_hw_s *self);
@@ -643,6 +635,8 @@ int hw_atl_utils_fw_rpc_call(struct aq_hw_s *self, unsigned int rpc_size);
int hw_atl_utils_fw_rpc_wait(struct aq_hw_s *self,
struct hw_atl_utils_fw_rpc **rpc);
+int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual);
+
extern const struct aq_fw_ops aq_fw_1x_ops;
extern const struct aq_fw_ops aq_fw_2x_ops;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
index 1ad10cc14918..eeedd8c90067 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
-/*
- * aQuantia Corporation Network Driver
- * Copyright (C) 2014-2019 aQuantia Corporation. All rights reserved
+/* Atlantic Network Driver
+ *
+ * Copyright (C) 2014-2019 aQuantia Corporation
+ * Copyright (C) 2019-2020 Marvell International Ltd.
*/
/* File hw_atl_utils_fw2x.c: Definition of firmware 2.x functions for
@@ -134,7 +135,7 @@ static enum hw_atl_fw2x_rate link_speed_mask_2fw2x_ratemask(u32 speed)
if (speed & AQ_NIC_RATE_5GSR)
rate |= FW2X_RATE_5G;
- if (speed & AQ_NIC_RATE_2GS)
+ if (speed & AQ_NIC_RATE_2G5)
rate |= FW2X_RATE_2G5;
if (speed & AQ_NIC_RATE_1G)
@@ -155,7 +156,7 @@ static u32 fw2x_to_eee_mask(u32 speed)
if (speed & HW_ATL_FW2X_CAP_EEE_5G_MASK)
rate |= AQ_NIC_RATE_EEE_5G;
if (speed & HW_ATL_FW2X_CAP_EEE_2G5_MASK)
- rate |= AQ_NIC_RATE_EEE_2GS;
+ rate |= AQ_NIC_RATE_EEE_2G5;
if (speed & HW_ATL_FW2X_CAP_EEE_1G_MASK)
rate |= AQ_NIC_RATE_EEE_1G;
@@ -170,7 +171,7 @@ static u32 eee_mask_to_fw2x(u32 speed)
rate |= HW_ATL_FW2X_CAP_EEE_10G_MASK;
if (speed & AQ_NIC_RATE_EEE_5G)
rate |= HW_ATL_FW2X_CAP_EEE_5G_MASK;
- if (speed & AQ_NIC_RATE_EEE_2GS)
+ if (speed & AQ_NIC_RATE_EEE_2G5)
rate |= HW_ATL_FW2X_CAP_EEE_2G5_MASK;
if (speed & AQ_NIC_RATE_EEE_1G)
rate |= HW_ATL_FW2X_CAP_EEE_1G_MASK;
@@ -282,8 +283,6 @@ static int aq_fw2x_get_mac_permanent(struct aq_hw_s *self, u8 *mac)
u32 efuse_addr = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_EFUSE_ADDR);
u32 mac_addr[2] = { 0 };
int err = 0;
- u32 h = 0U;
- u32 l = 0U;
if (efuse_addr != 0) {
err = hw_atl_utils_fw_downld_dwords(self,
@@ -298,26 +297,6 @@ static int aq_fw2x_get_mac_permanent(struct aq_hw_s *self, u8 *mac)
ether_addr_copy(mac, (u8 *)mac_addr);
- if ((mac[0] & 0x01U) || ((mac[0] | mac[1] | mac[2]) == 0x00U)) {
- unsigned int rnd = 0;
-
- get_random_bytes(&rnd, sizeof(unsigned int));
-
- l = 0xE3000000U | (0xFFFFU & rnd) | (0x00 << 16);
- h = 0x8001300EU;
-
- mac[5] = (u8)(0xFFU & l);
- l >>= 8;
- mac[4] = (u8)(0xFFU & l);
- l >>= 8;
- mac[3] = (u8)(0xFFU & l);
- l >>= 8;
- mac[2] = (u8)(0xFFU & l);
- mac[1] = (u8)(0xFFU & h);
- h >>= 8;
- mac[0] = (u8)(0xFFU & h);
- }
-
return err;
}
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
new file mode 100644
index 000000000000..8df9d4ef36f0
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c
@@ -0,0 +1,841 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include "aq_hw.h"
+#include "aq_hw_utils.h"
+#include "aq_ring.h"
+#include "aq_nic.h"
+#include "hw_atl/hw_atl_b0.h"
+#include "hw_atl/hw_atl_utils.h"
+#include "hw_atl/hw_atl_llh.h"
+#include "hw_atl/hw_atl_llh_internal.h"
+#include "hw_atl2_utils.h"
+#include "hw_atl2_llh.h"
+#include "hw_atl2_internal.h"
+#include "hw_atl2_llh_internal.h"
+
+static int hw_atl2_act_rslvr_table_set(struct aq_hw_s *self, u8 location,
+ u32 tag, u32 mask, u32 action);
+
+#define DEFAULT_BOARD_BASIC_CAPABILITIES \
+ .is_64_dma = true, \
+ .msix_irqs = 8U, \
+ .irq_mask = ~0U, \
+ .vecs = HW_ATL2_RSS_MAX, \
+ .tcs_max = HW_ATL2_TC_MAX, \
+ .rxd_alignment = 1U, \
+ .rxd_size = HW_ATL2_RXD_SIZE, \
+ .rxds_max = HW_ATL2_MAX_RXD, \
+ .rxds_min = HW_ATL2_MIN_RXD, \
+ .txd_alignment = 1U, \
+ .txd_size = HW_ATL2_TXD_SIZE, \
+ .txds_max = HW_ATL2_MAX_TXD, \
+ .txds_min = HW_ATL2_MIN_TXD, \
+ .txhwb_alignment = 4096U, \
+ .tx_rings = HW_ATL2_TX_RINGS, \
+ .rx_rings = HW_ATL2_RX_RINGS, \
+ .hw_features = NETIF_F_HW_CSUM | \
+ NETIF_F_RXCSUM | \
+ NETIF_F_RXHASH | \
+ NETIF_F_SG | \
+ NETIF_F_TSO | \
+ NETIF_F_TSO6 | \
+ NETIF_F_LRO | \
+ NETIF_F_NTUPLE | \
+ NETIF_F_HW_VLAN_CTAG_FILTER | \
+ NETIF_F_HW_VLAN_CTAG_RX | \
+ NETIF_F_HW_VLAN_CTAG_TX | \
+ NETIF_F_GSO_UDP_L4 | \
+ NETIF_F_GSO_PARTIAL | \
+ NETIF_F_HW_TC, \
+ .hw_priv_flags = IFF_UNICAST_FLT, \
+ .flow_control = true, \
+ .mtu = HW_ATL2_MTU_JUMBO, \
+ .mac_regs_count = 72, \
+ .hw_alive_check_addr = 0x10U, \
+ .priv_data_len = sizeof(struct hw_atl2_priv)
+
+const struct aq_hw_caps_s hw_atl2_caps_aqc113 = {
+ DEFAULT_BOARD_BASIC_CAPABILITIES,
+ .media_type = AQ_HW_MEDIA_TYPE_TP,
+ .link_speed_msk = AQ_NIC_RATE_10G |
+ AQ_NIC_RATE_5G |
+ AQ_NIC_RATE_2G5 |
+ AQ_NIC_RATE_1G |
+ AQ_NIC_RATE_100M |
+ AQ_NIC_RATE_10M,
+};
+
+static u32 hw_atl2_sem_act_rslvr_get(struct aq_hw_s *self)
+{
+ return hw_atl_reg_glb_cpu_sem_get(self, HW_ATL2_FW_SM_ACT_RSLVR);
+}
+
+static int hw_atl2_hw_reset(struct aq_hw_s *self)
+{
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ int err;
+
+ err = hw_atl2_utils_soft_reset(self);
+ if (err)
+ return err;
+
+ memset(priv, 0, sizeof(*priv));
+
+ self->aq_fw_ops->set_state(self, MPI_RESET);
+
+ err = aq_hw_err_from_flags(self);
+
+ return err;
+}
+
+static int hw_atl2_hw_queue_to_tc_map_set(struct aq_hw_s *self)
+{
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ unsigned int tcs, q_per_tc;
+ unsigned int tc, q;
+ u32 rx_map = 0;
+ u32 tx_map = 0;
+
+ hw_atl2_tpb_tx_tc_q_rand_map_en_set(self, 1U);
+
+ switch (cfg->tc_mode) {
+ case AQ_TC_MODE_8TCS:
+ tcs = 8;
+ q_per_tc = 4;
+ break;
+ case AQ_TC_MODE_4TCS:
+ tcs = 4;
+ q_per_tc = 8;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (tc = 0; tc != tcs; tc++) {
+ unsigned int tc_q_offset = tc * q_per_tc;
+
+ for (q = tc_q_offset; q != tc_q_offset + q_per_tc; q++) {
+ rx_map |= tc << HW_ATL2_RX_Q_TC_MAP_SHIFT(q);
+ if (HW_ATL2_RX_Q_TC_MAP_ADR(q) !=
+ HW_ATL2_RX_Q_TC_MAP_ADR(q + 1)) {
+ aq_hw_write_reg(self,
+ HW_ATL2_RX_Q_TC_MAP_ADR(q),
+ rx_map);
+ rx_map = 0;
+ }
+
+ tx_map |= tc << HW_ATL2_TX_Q_TC_MAP_SHIFT(q);
+ if (HW_ATL2_TX_Q_TC_MAP_ADR(q) !=
+ HW_ATL2_TX_Q_TC_MAP_ADR(q + 1)) {
+ aq_hw_write_reg(self,
+ HW_ATL2_TX_Q_TC_MAP_ADR(q),
+ tx_map);
+ tx_map = 0;
+ }
+ }
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_qos_set(struct aq_hw_s *self)
+{
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ u32 tx_buff_size = HW_ATL2_TXBUF_MAX;
+ u32 rx_buff_size = HW_ATL2_RXBUF_MAX;
+ unsigned int prio = 0U;
+ u32 tc = 0U;
+
+ /* TPS Descriptor rate init */
+ hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
+ hw_atl_tps_tx_pkt_shed_desc_rate_lim_set(self, 0xA);
+
+ /* TPS VM init */
+ hw_atl_tps_tx_pkt_shed_desc_vm_arb_mode_set(self, 0U);
+
+ tx_buff_size /= cfg->tcs;
+ rx_buff_size /= cfg->tcs;
+ for (tc = 0; tc < cfg->tcs; tc++) {
+ u32 threshold = 0U;
+
+ /* Tx buf size TC0 */
+ hw_atl_tpb_tx_pkt_buff_size_per_tc_set(self, tx_buff_size, tc);
+
+ threshold = (tx_buff_size * (1024 / 32U) * 66U) / 100U;
+ hw_atl_tpb_tx_buff_hi_threshold_per_tc_set(self, threshold, tc);
+
+ threshold = (tx_buff_size * (1024 / 32U) * 50U) / 100U;
+ hw_atl_tpb_tx_buff_lo_threshold_per_tc_set(self, threshold, tc);
+
+ /* QoS Rx buf size per TC */
+ hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, rx_buff_size, tc);
+
+ threshold = (rx_buff_size * (1024U / 32U) * 66U) / 100U;
+ hw_atl_rpb_rx_buff_hi_threshold_per_tc_set(self, threshold, tc);
+
+ threshold = (rx_buff_size * (1024U / 32U) * 50U) / 100U;
+ hw_atl_rpb_rx_buff_lo_threshold_per_tc_set(self, threshold, tc);
+ }
+
+ /* QoS 802.1p priority -> TC mapping */
+ for (prio = 0; prio < 8; ++prio)
+ hw_atl_rpf_rpb_user_priority_tc_map_set(self, prio,
+ cfg->prio_tc_map[prio]);
+
+ /* ATL2 Apply ring to TC mapping */
+ hw_atl2_hw_queue_to_tc_map_set(self);
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_rss_set(struct aq_hw_s *self,
+ struct aq_rss_parameters *rss_params)
+{
+ u8 *indirection_table = rss_params->indirection_table;
+ const u32 num_tcs = aq_hw_num_tcs(self);
+ u32 rpf_redir2_enable;
+ int tc;
+ int i;
+
+ rpf_redir2_enable = num_tcs > 4 ? 1 : 0;
+
+ hw_atl2_rpf_redirection_table2_select_set(self, rpf_redir2_enable);
+
+ for (i = HW_ATL2_RSS_REDIRECTION_MAX; i--;) {
+ for (tc = 0; tc != num_tcs; tc++) {
+ hw_atl2_new_rpf_rss_redir_set(self, tc, i,
+ tc *
+ aq_hw_q_per_tc(self) +
+ indirection_table[i]);
+ }
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_init_tx_tc_rate_limit(struct aq_hw_s *self)
+{
+ static const u32 max_weight = BIT(HW_ATL2_TPS_DATA_TCTWEIGHT_WIDTH) - 1;
+ /* Scale factor is based on the number of bits in fractional portion */
+ static const u32 scale = BIT(HW_ATL_TPS_DESC_RATE_Y_WIDTH);
+ static const u32 frac_msk = HW_ATL_TPS_DESC_RATE_Y_MSK >>
+ HW_ATL_TPS_DESC_RATE_Y_SHIFT;
+ const u32 link_speed = self->aq_link_status.mbps;
+ struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
+ unsigned long num_min_rated_tcs = 0;
+ u32 tc_weight[AQ_CFG_TCS_MAX];
+ u32 fixed_max_credit_4b;
+ u32 fixed_max_credit;
+ u8 min_rate_msk = 0;
+ u32 sum_weight = 0;
+ int tc;
+
+ /* By default max_credit is based upon MTU (in unit of 64b) */
+ fixed_max_credit = nic_cfg->aq_hw_caps->mtu / 64;
+ /* in unit of 4b */
+ fixed_max_credit_4b = nic_cfg->aq_hw_caps->mtu / 4;
+
+ if (link_speed) {
+ min_rate_msk = nic_cfg->tc_min_rate_msk &
+ (BIT(nic_cfg->tcs) - 1);
+ num_min_rated_tcs = hweight8(min_rate_msk);
+ }
+
+ /* First, calculate weights where min_rate is specified */
+ if (num_min_rated_tcs) {
+ for (tc = 0; tc != nic_cfg->tcs; tc++) {
+ if (!nic_cfg->tc_min_rate[tc]) {
+ tc_weight[tc] = 0;
+ continue;
+ }
+
+ tc_weight[tc] = (-1L + link_speed +
+ nic_cfg->tc_min_rate[tc] *
+ max_weight) /
+ link_speed;
+ tc_weight[tc] = min(tc_weight[tc], max_weight);
+ sum_weight += tc_weight[tc];
+ }
+ }
+
+ /* WSP, if min_rate is set for at least one TC.
+ * RR otherwise.
+ */
+ hw_atl2_tps_tx_pkt_shed_data_arb_mode_set(self, min_rate_msk ? 1U : 0U);
+ /* Data TC Arbiter takes precedence over Descriptor TC Arbiter,
+ * leave Descriptor TC Arbiter as RR.
+ */
+ hw_atl_tps_tx_pkt_shed_desc_tc_arb_mode_set(self, 0U);
+
+ hw_atl_tps_tx_desc_rate_mode_set(self, nic_cfg->is_qos ? 1U : 0U);
+
+ for (tc = 0; tc != nic_cfg->tcs; tc++) {
+ const u32 en = (nic_cfg->tc_max_rate[tc] != 0) ? 1U : 0U;
+ const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
+ u32 weight, max_credit;
+
+ hw_atl_tps_tx_pkt_shed_desc_tc_max_credit_set(self, tc,
+ fixed_max_credit);
+ hw_atl_tps_tx_pkt_shed_desc_tc_weight_set(self, tc, 0x1E);
+
+ if (num_min_rated_tcs) {
+ weight = tc_weight[tc];
+
+ if (!weight && sum_weight < max_weight)
+ weight = (max_weight - sum_weight) /
+ (nic_cfg->tcs - num_min_rated_tcs);
+ else if (!weight)
+ weight = 0x640;
+
+ max_credit = max(2 * weight, fixed_max_credit_4b);
+ } else {
+ weight = 0x640;
+ max_credit = 0xFFF0;
+ }
+
+ hw_atl2_tps_tx_pkt_shed_tc_data_weight_set(self, tc, weight);
+ hw_atl2_tps_tx_pkt_shed_tc_data_max_credit_set(self, tc,
+ max_credit);
+
+ hw_atl_tps_tx_desc_rate_en_set(self, desc, en);
+
+ if (en) {
+ /* Nominal rate is always 10G */
+ const u32 rate = 10000U * scale /
+ nic_cfg->tc_max_rate[tc];
+ const u32 rate_int = rate >>
+ HW_ATL_TPS_DESC_RATE_Y_WIDTH;
+ const u32 rate_frac = rate & frac_msk;
+
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, rate_int);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, rate_frac);
+ } else {
+ /* A value of 1 indicates the queue is not
+ * rate controlled.
+ */
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
+ }
+ }
+ for (tc = nic_cfg->tcs; tc != AQ_CFG_TCS_MAX; tc++) {
+ const u32 desc = AQ_NIC_CFG_TCVEC2RING(nic_cfg, tc, 0);
+
+ hw_atl_tps_tx_desc_rate_en_set(self, desc, 0U);
+ hw_atl_tps_tx_desc_rate_x_set(self, desc, 1U);
+ hw_atl_tps_tx_desc_rate_y_set(self, desc, 0U);
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_init_tx_path(struct aq_hw_s *self)
+{
+ struct aq_nic_cfg_s *nic_cfg = self->aq_nic_cfg;
+
+ /* Tx TC/RSS number config */
+ hw_atl_tpb_tps_tx_tc_mode_set(self, nic_cfg->tc_mode);
+
+ hw_atl_thm_lso_tcp_flag_of_first_pkt_set(self, 0x0FF6U);
+ hw_atl_thm_lso_tcp_flag_of_middle_pkt_set(self, 0x0FF6U);
+ hw_atl_thm_lso_tcp_flag_of_last_pkt_set(self, 0x0F7FU);
+
+ /* Tx interrupts */
+ hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
+
+ /* misc */
+ hw_atl_tdm_tx_dca_en_set(self, 0U);
+ hw_atl_tdm_tx_dca_mode_set(self, 0U);
+
+ hw_atl_tpb_tx_path_scp_ins_en_set(self, 1U);
+
+ hw_atl2_tpb_tx_buf_clk_gate_en_set(self, 0U);
+
+ return aq_hw_err_from_flags(self);
+}
+
+static void hw_atl2_hw_init_new_rx_filters(struct aq_hw_s *self)
+{
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ u8 *prio_tc_map = self->aq_nic_cfg->prio_tc_map;
+ u16 action;
+ u8 index;
+ int i;
+
+ /* Action Resolver Table (ART) is used by RPF to decide which action
+ * to take with a packet based upon input tag and tag mask, where:
+ * - input tag is a combination of 3-bit VLan Prio (PTP) and
+ * 29-bit concatenation of all tags from filter block;
+ * - tag mask is a mask used for matching against input tag.
+ * The input_tag is compared with the all the Requested_tags in the
+ * Record table to find a match. Action field of the selected matched
+ * REC entry is used for further processing. If multiple entries match,
+ * the lowest REC entry, Action field will be selected.
+ */
+ hw_atl2_rpf_act_rslvr_section_en_set(self, 0xFFFF);
+ hw_atl2_rpfl2_uc_flr_tag_set(self, HW_ATL2_RPF_TAG_BASE_UC,
+ HW_ATL2_MAC_UC);
+ hw_atl2_rpfl2_bc_flr_tag_set(self, HW_ATL2_RPF_TAG_BASE_UC);
+
+ /* FW reserves the beginning of ART, thus all driver entries must
+ * start from the offset specified in FW caps.
+ */
+ index = priv->art_base_index + HW_ATL2_RPF_L2_PROMISC_OFF_INDEX;
+ hw_atl2_act_rslvr_table_set(self, index, 0,
+ HW_ATL2_RPF_TAG_UC_MASK |
+ HW_ATL2_RPF_TAG_ALLMC_MASK,
+ HW_ATL2_ACTION_DROP);
+
+ index = priv->art_base_index + HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX;
+ hw_atl2_act_rslvr_table_set(self, index, 0,
+ HW_ATL2_RPF_TAG_VLAN_MASK |
+ HW_ATL2_RPF_TAG_UNTAG_MASK,
+ HW_ATL2_ACTION_DROP);
+
+ /* Configure ART to map given VLan Prio (PCP) to the TC index for
+ * RSS redirection table.
+ */
+ for (i = 0; i < 8; i++) {
+ action = HW_ATL2_ACTION_ASSIGN_TC(prio_tc_map[i]);
+
+ index = priv->art_base_index + HW_ATL2_RPF_PCP_TO_TC_INDEX + i;
+ hw_atl2_act_rslvr_table_set(self, index,
+ i << HW_ATL2_RPF_TAG_PCP_OFFSET,
+ HW_ATL2_RPF_TAG_PCP_MASK, action);
+ }
+}
+
+static void hw_atl2_hw_new_rx_filter_vlan_promisc(struct aq_hw_s *self,
+ bool promisc)
+{
+ u16 off_action = (!promisc &&
+ !hw_atl_rpfl2promiscuous_mode_en_get(self)) ?
+ HW_ATL2_ACTION_DROP : HW_ATL2_ACTION_DISABLE;
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ u8 index;
+
+ index = priv->art_base_index + HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX;
+ hw_atl2_act_rslvr_table_set(self, index, 0,
+ HW_ATL2_RPF_TAG_VLAN_MASK |
+ HW_ATL2_RPF_TAG_UNTAG_MASK, off_action);
+}
+
+static void hw_atl2_hw_new_rx_filter_promisc(struct aq_hw_s *self, bool promisc)
+{
+ u16 off_action = promisc ? HW_ATL2_ACTION_DISABLE : HW_ATL2_ACTION_DROP;
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ bool vlan_promisc_enable;
+ u8 index;
+
+ index = priv->art_base_index + HW_ATL2_RPF_L2_PROMISC_OFF_INDEX;
+ hw_atl2_act_rslvr_table_set(self, index, 0,
+ HW_ATL2_RPF_TAG_UC_MASK |
+ HW_ATL2_RPF_TAG_ALLMC_MASK,
+ off_action);
+
+ /* turn VLAN promisc mode too */
+ vlan_promisc_enable = hw_atl_rpf_vlan_prom_mode_en_get(self);
+ hw_atl2_hw_new_rx_filter_vlan_promisc(self, promisc |
+ vlan_promisc_enable);
+}
+
+static int hw_atl2_act_rslvr_table_set(struct aq_hw_s *self, u8 location,
+ u32 tag, u32 mask, u32 action)
+{
+ u32 val;
+ int err;
+
+ err = readx_poll_timeout_atomic(hw_atl2_sem_act_rslvr_get,
+ self, val, val == 1,
+ 1, 10000U);
+ if (err)
+ return err;
+
+ hw_atl2_rpf_act_rslvr_record_set(self, location, tag, mask,
+ action);
+
+ hw_atl_reg_glb_cpu_sem_set(self, 1, HW_ATL2_FW_SM_ACT_RSLVR);
+
+ return err;
+}
+
+static int hw_atl2_hw_init_rx_path(struct aq_hw_s *self)
+{
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ int i;
+
+ /* Rx TC/RSS number config */
+ hw_atl_rpb_rpf_rx_traf_class_mode_set(self, cfg->tc_mode);
+
+ /* Rx flow control */
+ hw_atl_rpb_rx_flow_ctl_mode_set(self, 1U);
+
+ hw_atl2_rpf_rss_hash_type_set(self, HW_ATL2_RPF_RSS_HASH_TYPE_ALL);
+
+ /* RSS Ring selection */
+ hw_atl_b0_hw_init_rx_rss_ctrl1(self);
+
+ /* Multicast filters */
+ for (i = HW_ATL2_MAC_MAX; i--;) {
+ hw_atl_rpfl2_uc_flr_en_set(self, (i == 0U) ? 1U : 0U, i);
+ hw_atl_rpfl2unicast_flr_act_set(self, 1U, i);
+ }
+
+ hw_atl_reg_rx_flr_mcst_flr_msk_set(self, 0x00000000U);
+ hw_atl_reg_rx_flr_mcst_flr_set(self, HW_ATL_MCAST_FLT_ANY_TO_HOST, 0U);
+
+ /* Vlan filters */
+ hw_atl_rpf_vlan_outer_etht_set(self, ETH_P_8021AD);
+ hw_atl_rpf_vlan_inner_etht_set(self, ETH_P_8021Q);
+
+ hw_atl_rpf_vlan_prom_mode_en_set(self, 1);
+
+ /* Always accept untagged packets */
+ hw_atl_rpf_vlan_accept_untagged_packets_set(self, 1U);
+ hw_atl_rpf_vlan_untagged_act_set(self, 1U);
+
+ hw_atl2_hw_init_new_rx_filters(self);
+
+ /* Rx Interrupts */
+ hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
+
+ hw_atl_rpfl2broadcast_flr_act_set(self, 1U);
+ hw_atl_rpfl2broadcast_count_threshold_set(self, 0xFFFFU & (~0U / 256U));
+
+ hw_atl_rdm_rx_dca_en_set(self, 0U);
+ hw_atl_rdm_rx_dca_mode_set(self, 0U);
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_init(struct aq_hw_s *self, u8 *mac_addr)
+{
+ static u32 aq_hw_atl2_igcr_table_[4][2] = {
+ [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U },
+ [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U },
+ [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U },
+ [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U },
+ };
+
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ struct aq_nic_cfg_s *aq_nic_cfg = self->aq_nic_cfg;
+ u8 base_index, count;
+ int err;
+
+ err = hw_atl2_utils_get_action_resolve_table_caps(self, &base_index,
+ &count);
+ if (err)
+ return err;
+
+ priv->art_base_index = 8 * base_index;
+
+ hw_atl2_init_launchtime(self);
+
+ hw_atl2_hw_init_tx_path(self);
+ hw_atl2_hw_init_rx_path(self);
+
+ hw_atl_b0_hw_mac_addr_set(self, mac_addr);
+
+ self->aq_fw_ops->set_link_speed(self, aq_nic_cfg->link_speed_msk);
+ self->aq_fw_ops->set_state(self, MPI_INIT);
+
+ hw_atl2_hw_qos_set(self);
+ hw_atl2_hw_rss_set(self, &aq_nic_cfg->aq_rss);
+ hw_atl_b0_hw_rss_hash_set(self, &aq_nic_cfg->aq_rss);
+
+ hw_atl2_rpf_new_enable_set(self, 1);
+
+ /* Reset link status and read out initial hardware counters */
+ self->aq_link_status.mbps = 0;
+ self->aq_fw_ops->update_stats(self);
+
+ err = aq_hw_err_from_flags(self);
+ if (err < 0)
+ goto err_exit;
+
+ /* Interrupts */
+ hw_atl_reg_irq_glb_ctl_set(self,
+ aq_hw_atl2_igcr_table_[aq_nic_cfg->irq_type]
+ [(aq_nic_cfg->vecs > 1U) ?
+ 1 : 0]);
+
+ hw_atl_itr_irq_auto_masklsw_set(self, aq_nic_cfg->aq_hw_caps->irq_mask);
+
+ /* Interrupts */
+ hw_atl_reg_gen_irq_map_set(self,
+ ((HW_ATL2_ERR_INT << 0x18) |
+ (1U << 0x1F)) |
+ ((HW_ATL2_ERR_INT << 0x10) |
+ (1U << 0x17)), 0U);
+
+ hw_atl_b0_hw_offload_set(self, aq_nic_cfg);
+
+err_exit:
+ return err;
+}
+
+static int hw_atl2_hw_ring_rx_init(struct aq_hw_s *self,
+ struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param)
+{
+ return hw_atl_b0_hw_ring_rx_init(self, aq_ring, aq_ring_param);
+}
+
+static int hw_atl2_hw_ring_tx_init(struct aq_hw_s *self,
+ struct aq_ring_s *aq_ring,
+ struct aq_ring_param_s *aq_ring_param)
+{
+ return hw_atl_b0_hw_ring_tx_init(self, aq_ring, aq_ring_param);
+}
+
+#define IS_FILTER_ENABLED(_F_) ((packet_filter & (_F_)) ? 1U : 0U)
+
+static int hw_atl2_hw_packet_filter_set(struct aq_hw_s *self,
+ unsigned int packet_filter)
+{
+ hw_atl2_hw_new_rx_filter_promisc(self, IS_FILTER_ENABLED(IFF_PROMISC));
+
+ return hw_atl_b0_hw_packet_filter_set(self, packet_filter);
+}
+
+#undef IS_FILTER_ENABLED
+
+static int hw_atl2_hw_multicast_list_set(struct aq_hw_s *self,
+ u8 ar_mac
+ [AQ_HW_MULTICAST_ADDRESS_MAX]
+ [ETH_ALEN],
+ u32 count)
+{
+ struct aq_nic_cfg_s *cfg = self->aq_nic_cfg;
+ int err = 0;
+
+ if (count > (HW_ATL2_MAC_MAX - HW_ATL2_MAC_MIN)) {
+ err = -EBADRQC;
+ goto err_exit;
+ }
+ for (cfg->mc_list_count = 0U;
+ cfg->mc_list_count < count;
+ ++cfg->mc_list_count) {
+ u32 i = cfg->mc_list_count;
+ u32 h = (ar_mac[i][0] << 8) | (ar_mac[i][1]);
+ u32 l = (ar_mac[i][2] << 24) | (ar_mac[i][3] << 16) |
+ (ar_mac[i][4] << 8) | ar_mac[i][5];
+
+ hw_atl_rpfl2_uc_flr_en_set(self, 0U, HW_ATL2_MAC_MIN + i);
+
+ hw_atl_rpfl2unicast_dest_addresslsw_set(self, l,
+ HW_ATL2_MAC_MIN + i);
+
+ hw_atl_rpfl2unicast_dest_addressmsw_set(self, h,
+ HW_ATL2_MAC_MIN + i);
+
+ hw_atl2_rpfl2_uc_flr_tag_set(self, 1, HW_ATL2_MAC_MIN + i);
+
+ hw_atl_rpfl2_uc_flr_en_set(self, (cfg->is_mc_list_enabled),
+ HW_ATL2_MAC_MIN + i);
+ }
+
+ err = aq_hw_err_from_flags(self);
+
+err_exit:
+ return err;
+}
+
+static int hw_atl2_hw_interrupt_moderation_set(struct aq_hw_s *self)
+{
+ unsigned int i = 0U;
+ u32 itr_tx = 2U;
+ u32 itr_rx = 2U;
+
+ switch (self->aq_nic_cfg->itr) {
+ case AQ_CFG_INTERRUPT_MODERATION_ON:
+ case AQ_CFG_INTERRUPT_MODERATION_AUTO:
+ hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 0U);
+ hw_atl_tdm_tdm_intr_moder_en_set(self, 1U);
+ hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 0U);
+ hw_atl_rdm_rdm_intr_moder_en_set(self, 1U);
+
+ if (self->aq_nic_cfg->itr == AQ_CFG_INTERRUPT_MODERATION_ON) {
+ /* HW timers are in 2us units */
+ int tx_max_timer = self->aq_nic_cfg->tx_itr / 2;
+ int tx_min_timer = tx_max_timer / 2;
+
+ int rx_max_timer = self->aq_nic_cfg->rx_itr / 2;
+ int rx_min_timer = rx_max_timer / 2;
+
+ tx_max_timer = min(HW_ATL2_INTR_MODER_MAX,
+ tx_max_timer);
+ tx_min_timer = min(HW_ATL2_INTR_MODER_MIN,
+ tx_min_timer);
+ rx_max_timer = min(HW_ATL2_INTR_MODER_MAX,
+ rx_max_timer);
+ rx_min_timer = min(HW_ATL2_INTR_MODER_MIN,
+ rx_min_timer);
+
+ itr_tx |= tx_min_timer << 0x8U;
+ itr_tx |= tx_max_timer << 0x10U;
+ itr_rx |= rx_min_timer << 0x8U;
+ itr_rx |= rx_max_timer << 0x10U;
+ } else {
+ static unsigned int hw_atl2_timers_table_tx_[][2] = {
+ {0xfU, 0xffU}, /* 10Gbit */
+ {0xfU, 0x1ffU}, /* 5Gbit */
+ {0xfU, 0x1ffU}, /* 5Gbit 5GS */
+ {0xfU, 0x1ffU}, /* 2.5Gbit */
+ {0xfU, 0x1ffU}, /* 1Gbit */
+ {0xfU, 0x1ffU}, /* 100Mbit */
+ };
+ static unsigned int hw_atl2_timers_table_rx_[][2] = {
+ {0x6U, 0x38U},/* 10Gbit */
+ {0xCU, 0x70U},/* 5Gbit */
+ {0xCU, 0x70U},/* 5Gbit 5GS */
+ {0x18U, 0xE0U},/* 2.5Gbit */
+ {0x30U, 0x80U},/* 1Gbit */
+ {0x4U, 0x50U},/* 100Mbit */
+ };
+ unsigned int mbps = self->aq_link_status.mbps;
+ unsigned int speed_index;
+
+ speed_index = hw_atl_utils_mbps_2_speed_index(mbps);
+
+ /* Update user visible ITR settings */
+ self->aq_nic_cfg->tx_itr = hw_atl2_timers_table_tx_
+ [speed_index][1] * 2;
+ self->aq_nic_cfg->rx_itr = hw_atl2_timers_table_rx_
+ [speed_index][1] * 2;
+
+ itr_tx |= hw_atl2_timers_table_tx_
+ [speed_index][0] << 0x8U;
+ itr_tx |= hw_atl2_timers_table_tx_
+ [speed_index][1] << 0x10U;
+
+ itr_rx |= hw_atl2_timers_table_rx_
+ [speed_index][0] << 0x8U;
+ itr_rx |= hw_atl2_timers_table_rx_
+ [speed_index][1] << 0x10U;
+ }
+ break;
+ case AQ_CFG_INTERRUPT_MODERATION_OFF:
+ hw_atl_tdm_tx_desc_wr_wb_irq_en_set(self, 1U);
+ hw_atl_tdm_tdm_intr_moder_en_set(self, 0U);
+ hw_atl_rdm_rx_desc_wr_wb_irq_en_set(self, 1U);
+ hw_atl_rdm_rdm_intr_moder_en_set(self, 0U);
+ itr_tx = 0U;
+ itr_rx = 0U;
+ break;
+ }
+
+ for (i = HW_ATL2_RINGS_MAX; i--;) {
+ hw_atl2_reg_tx_intr_moder_ctrl_set(self, itr_tx, i);
+ hw_atl_reg_rx_intr_moder_ctrl_set(self, itr_rx, i);
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_stop(struct aq_hw_s *self)
+{
+ hw_atl_b0_hw_irq_disable(self, HW_ATL2_INT_MASK);
+
+ return 0;
+}
+
+static struct aq_stats_s *hw_atl2_utils_get_hw_stats(struct aq_hw_s *self)
+{
+ return &self->curr_stats;
+}
+
+static int hw_atl2_hw_vlan_set(struct aq_hw_s *self,
+ struct aq_rx_filter_vlan *aq_vlans)
+{
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ u32 queue;
+ u8 index;
+ int i;
+
+ hw_atl_rpf_vlan_prom_mode_en_set(self, 1U);
+
+ for (i = 0; i < HW_ATL_VLAN_MAX_FILTERS; i++) {
+ queue = HW_ATL2_ACTION_ASSIGN_QUEUE(aq_vlans[i].queue);
+
+ hw_atl_rpf_vlan_flr_en_set(self, 0U, i);
+ hw_atl_rpf_vlan_rxq_en_flr_set(self, 0U, i);
+ index = priv->art_base_index + HW_ATL2_RPF_VLAN_USER_INDEX + i;
+ hw_atl2_act_rslvr_table_set(self, index, 0, 0,
+ HW_ATL2_ACTION_DISABLE);
+ if (aq_vlans[i].enable) {
+ hw_atl_rpf_vlan_id_flr_set(self,
+ aq_vlans[i].vlan_id, i);
+ hw_atl_rpf_vlan_flr_act_set(self, 1U, i);
+ hw_atl_rpf_vlan_flr_en_set(self, 1U, i);
+
+ if (aq_vlans[i].queue != 0xFF) {
+ hw_atl_rpf_vlan_rxq_flr_set(self,
+ aq_vlans[i].queue,
+ i);
+ hw_atl_rpf_vlan_rxq_en_flr_set(self, 1U, i);
+
+ hw_atl2_rpf_vlan_flr_tag_set(self, i + 2, i);
+
+ index = priv->art_base_index +
+ HW_ATL2_RPF_VLAN_USER_INDEX + i;
+ hw_atl2_act_rslvr_table_set(self, index,
+ (i + 2) << HW_ATL2_RPF_TAG_VLAN_OFFSET,
+ HW_ATL2_RPF_TAG_VLAN_MASK, queue);
+ } else {
+ hw_atl2_rpf_vlan_flr_tag_set(self, 1, i);
+ }
+ }
+ }
+
+ return aq_hw_err_from_flags(self);
+}
+
+static int hw_atl2_hw_vlan_ctrl(struct aq_hw_s *self, bool enable)
+{
+ /* set promisc in case of disabing the vlan filter */
+ hw_atl_rpf_vlan_prom_mode_en_set(self, !enable);
+ hw_atl2_hw_new_rx_filter_vlan_promisc(self, !enable);
+
+ return aq_hw_err_from_flags(self);
+}
+
+const struct aq_hw_ops hw_atl2_ops = {
+ .hw_soft_reset = hw_atl2_utils_soft_reset,
+ .hw_prepare = hw_atl2_utils_initfw,
+ .hw_set_mac_address = hw_atl_b0_hw_mac_addr_set,
+ .hw_init = hw_atl2_hw_init,
+ .hw_reset = hw_atl2_hw_reset,
+ .hw_start = hw_atl_b0_hw_start,
+ .hw_ring_tx_start = hw_atl_b0_hw_ring_tx_start,
+ .hw_ring_tx_stop = hw_atl_b0_hw_ring_tx_stop,
+ .hw_ring_rx_start = hw_atl_b0_hw_ring_rx_start,
+ .hw_ring_rx_stop = hw_atl_b0_hw_ring_rx_stop,
+ .hw_stop = hw_atl2_hw_stop,
+
+ .hw_ring_tx_xmit = hw_atl_b0_hw_ring_tx_xmit,
+ .hw_ring_tx_head_update = hw_atl_b0_hw_ring_tx_head_update,
+
+ .hw_ring_rx_receive = hw_atl_b0_hw_ring_rx_receive,
+ .hw_ring_rx_fill = hw_atl_b0_hw_ring_rx_fill,
+
+ .hw_irq_enable = hw_atl_b0_hw_irq_enable,
+ .hw_irq_disable = hw_atl_b0_hw_irq_disable,
+ .hw_irq_read = hw_atl_b0_hw_irq_read,
+
+ .hw_ring_rx_init = hw_atl2_hw_ring_rx_init,
+ .hw_ring_tx_init = hw_atl2_hw_ring_tx_init,
+ .hw_packet_filter_set = hw_atl2_hw_packet_filter_set,
+ .hw_filter_vlan_set = hw_atl2_hw_vlan_set,
+ .hw_filter_vlan_ctrl = hw_atl2_hw_vlan_ctrl,
+ .hw_multicast_list_set = hw_atl2_hw_multicast_list_set,
+ .hw_interrupt_moderation_set = hw_atl2_hw_interrupt_moderation_set,
+ .hw_rss_set = hw_atl2_hw_rss_set,
+ .hw_rss_hash_set = hw_atl_b0_hw_rss_hash_set,
+ .hw_tc_rate_limit_set = hw_atl2_hw_init_tx_tc_rate_limit,
+ .hw_get_hw_stats = hw_atl2_utils_get_hw_stats,
+ .hw_get_fw_version = hw_atl2_utils_get_fw_version,
+ .hw_set_offload = hw_atl_b0_hw_offload_set,
+};
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.h
new file mode 100644
index 000000000000..de8723f1c28a
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef HW_ATL2_H
+#define HW_ATL2_H
+
+#include "aq_common.h"
+
+extern const struct aq_hw_caps_s hw_atl2_caps_aqc113;
+extern const struct aq_hw_ops hw_atl2_ops;
+
+#endif /* HW_ATL2_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h
new file mode 100644
index 000000000000..5a89bb8722f9
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_internal.h
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef HW_ATL2_INTERNAL_H
+#define HW_ATL2_INTERNAL_H
+
+#include "hw_atl2_utils.h"
+
+#define HW_ATL2_MTU_JUMBO 16352U
+#define HW_ATL2_MTU 1514U
+
+#define HW_ATL2_TX_RINGS 4U
+#define HW_ATL2_RX_RINGS 4U
+
+#define HW_ATL2_RINGS_MAX 32U
+#define HW_ATL2_TXD_SIZE (16U)
+#define HW_ATL2_RXD_SIZE (16U)
+
+#define HW_ATL2_MAC_UC 0U
+#define HW_ATL2_MAC_MIN 1U
+#define HW_ATL2_MAC_MAX 38U
+
+/* interrupts */
+#define HW_ATL2_ERR_INT 8U
+#define HW_ATL2_INT_MASK (0xFFFFFFFFU)
+
+#define HW_ATL2_TXBUF_MAX 128U
+#define HW_ATL2_RXBUF_MAX 192U
+
+#define HW_ATL2_RSS_REDIRECTION_MAX 64U
+
+#define HW_ATL2_TC_MAX 8U
+#define HW_ATL2_RSS_MAX 8U
+
+#define HW_ATL2_INTR_MODER_MAX 0x1FF
+#define HW_ATL2_INTR_MODER_MIN 0xFF
+
+#define HW_ATL2_MIN_RXD \
+ (ALIGN(AQ_CFG_SKB_FRAGS_MAX + 1U, AQ_HW_RXD_MULTIPLE))
+#define HW_ATL2_MIN_TXD \
+ (ALIGN(AQ_CFG_SKB_FRAGS_MAX + 1U, AQ_HW_TXD_MULTIPLE))
+
+#define HW_ATL2_MAX_RXD 8184U
+#define HW_ATL2_MAX_TXD 8184U
+
+#define HW_ATL2_FW_SM_ACT_RSLVR 0x3U
+
+#define HW_ATL2_RPF_TAG_UC_OFFSET 0x0
+#define HW_ATL2_RPF_TAG_ALLMC_OFFSET 0x6
+#define HW_ATL2_RPF_TAG_ET_OFFSET 0x7
+#define HW_ATL2_RPF_TAG_VLAN_OFFSET 0xA
+#define HW_ATL2_RPF_TAG_UNTAG_OFFSET 0xE
+#define HW_ATL2_RPF_TAG_L3_V4_OFFSET 0xF
+#define HW_ATL2_RPF_TAG_L3_V6_OFFSET 0x12
+#define HW_ATL2_RPF_TAG_L4_OFFSET 0x15
+#define HW_ATL2_RPF_TAG_L4_FLEX_OFFSET 0x18
+#define HW_ATL2_RPF_TAG_FLEX_OFFSET 0x1B
+#define HW_ATL2_RPF_TAG_PCP_OFFSET 0x1D
+
+#define HW_ATL2_RPF_TAG_UC_MASK (0x0000003F << HW_ATL2_RPF_TAG_UC_OFFSET)
+#define HW_ATL2_RPF_TAG_ALLMC_MASK (0x00000001 << HW_ATL2_RPF_TAG_ALLMC_OFFSET)
+#define HW_ATL2_RPF_TAG_UNTAG_MASK (0x00000001 << HW_ATL2_RPF_TAG_UNTAG_OFFSET)
+#define HW_ATL2_RPF_TAG_VLAN_MASK (0x0000000F << HW_ATL2_RPF_TAG_VLAN_OFFSET)
+#define HW_ATL2_RPF_TAG_ET_MASK (0x00000007 << HW_ATL2_RPF_TAG_ET_OFFSET)
+#define HW_ATL2_RPF_TAG_L3_V4_MASK (0x00000007 << HW_ATL2_RPF_TAG_L3_V4_OFFSET)
+#define HW_ATL2_RPF_TAG_L3_V6_MASK (0x00000007 << HW_ATL2_RPF_TAG_L3_V6_OFFSET)
+#define HW_ATL2_RPF_TAG_L4_MASK (0x00000007 << HW_ATL2_RPF_TAG_L4_OFFSET)
+#define HW_ATL2_RPF_TAG_PCP_MASK (0x00000007 << HW_ATL2_RPF_TAG_PCP_OFFSET)
+
+#define HW_ATL2_RPF_TAG_BASE_UC BIT(HW_ATL2_RPF_TAG_UC_OFFSET)
+#define HW_ATL2_RPF_TAG_BASE_ALLMC BIT(HW_ATL2_RPF_TAG_ALLMC_OFFSET)
+#define HW_ATL2_RPF_TAG_BASE_UNTAG BIT(HW_ATL2_RPF_TAG_UNTAG_OFFSET)
+#define HW_ATL2_RPF_TAG_BASE_VLAN BIT(HW_ATL2_RPF_TAG_VLAN_OFFSET)
+
+enum HW_ATL2_RPF_ART_INDEX {
+ HW_ATL2_RPF_L2_PROMISC_OFF_INDEX,
+ HW_ATL2_RPF_VLAN_PROMISC_OFF_INDEX,
+ HW_ATL2_RPF_L3L4_USER_INDEX = 8,
+ HW_ATL2_RPF_ET_PCP_USER_INDEX = HW_ATL2_RPF_L3L4_USER_INDEX + 16,
+ HW_ATL2_RPF_VLAN_USER_INDEX = HW_ATL2_RPF_ET_PCP_USER_INDEX + 16,
+ HW_ATL2_RPF_PCP_TO_TC_INDEX = HW_ATL2_RPF_VLAN_USER_INDEX +
+ HW_ATL_VLAN_MAX_FILTERS,
+};
+
+#define HW_ATL2_ACTION(ACTION, RSS, INDEX, VALID) \
+ ((((ACTION) & 0x3U) << 8) | \
+ (((RSS) & 0x1U) << 7) | \
+ (((INDEX) & 0x3FU) << 2) | \
+ (((VALID) & 0x1U) << 0))
+
+#define HW_ATL2_ACTION_DROP HW_ATL2_ACTION(0, 0, 0, 1)
+#define HW_ATL2_ACTION_DISABLE HW_ATL2_ACTION(0, 0, 0, 0)
+#define HW_ATL2_ACTION_ASSIGN_QUEUE(QUEUE) HW_ATL2_ACTION(1, 0, (QUEUE), 1)
+#define HW_ATL2_ACTION_ASSIGN_TC(TC) HW_ATL2_ACTION(1, 1, (TC), 1)
+
+enum HW_ATL2_RPF_RSS_HASH_TYPE {
+ HW_ATL2_RPF_RSS_HASH_TYPE_NONE = 0,
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV4 = BIT(0),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_TCP = BIT(1),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_UDP = BIT(2),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6 = BIT(3),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_TCP = BIT(4),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_UDP = BIT(5),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX = BIT(6),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_TCP = BIT(7),
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_UDP = BIT(8),
+ HW_ATL2_RPF_RSS_HASH_TYPE_ALL = HW_ATL2_RPF_RSS_HASH_TYPE_IPV4 |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_TCP |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV4_UDP |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6 |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_TCP |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_UDP |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_TCP |
+ HW_ATL2_RPF_RSS_HASH_TYPE_IPV6_EX_UDP,
+};
+
+#define HW_ATL_MCAST_FLT_ANY_TO_HOST 0x00010FFFU
+
+struct hw_atl2_priv {
+ struct statistics_s last_stats;
+ unsigned int art_base_index;
+};
+
+#endif /* HW_ATL2_INTERNAL_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c
new file mode 100644
index 000000000000..cd954b11d24a
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.c
@@ -0,0 +1,234 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include "hw_atl2_llh.h"
+#include "hw_atl2_llh_internal.h"
+#include "aq_hw_utils.h"
+
+void hw_atl2_rpf_redirection_table2_select_set(struct aq_hw_s *aq_hw,
+ u32 select)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_ADR,
+ HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_MSK,
+ HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_SHIFT, select);
+}
+
+void hw_atl2_rpf_rss_hash_type_set(struct aq_hw_s *aq_hw, u32 rss_hash_type)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_ADR,
+ HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_MSK,
+ HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_SHIFT,
+ rss_hash_type);
+}
+
+/* rpf */
+
+void hw_atl2_rpf_new_enable_set(struct aq_hw_s *aq_hw, u32 enable)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_NEW_EN_ADR,
+ HW_ATL2_RPF_NEW_EN_MSK,
+ HW_ATL2_RPF_NEW_EN_SHIFT,
+ enable);
+}
+
+void hw_atl2_rpfl2_uc_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag, u32 filter)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPFL2UC_TAG_ADR(filter),
+ HW_ATL2_RPFL2UC_TAG_MSK,
+ HW_ATL2_RPFL2UC_TAG_SHIFT,
+ tag);
+}
+
+void hw_atl2_rpfl2_bc_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_L2_BC_TAG_ADR,
+ HW_ATL2_RPF_L2_BC_TAG_MSK,
+ HW_ATL2_RPF_L2_BC_TAG_SHIFT,
+ tag);
+}
+
+void hw_atl2_new_rpf_rss_redir_set(struct aq_hw_s *aq_hw, u32 tc, u32 index,
+ u32 queue)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_RSS_REDIR_ADR(tc, index),
+ HW_ATL2_RPF_RSS_REDIR_MSK(tc),
+ HW_ATL2_RPF_RSS_REDIR_SHIFT(tc),
+ queue);
+}
+
+void hw_atl2_rpf_vlan_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag, u32 filter)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_VL_TAG_ADR(filter),
+ HW_ATL2_RPF_VL_TAG_MSK,
+ HW_ATL2_RPF_VL_TAG_SHIFT,
+ tag);
+}
+
+/* TX */
+
+void hw_atl2_tpb_tx_tc_q_rand_map_en_set(struct aq_hw_s *aq_hw,
+ const u32 tc_q_rand_map_en)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_ADR,
+ HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_MSK,
+ HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_SHIFT,
+ tc_q_rand_map_en);
+}
+
+void hw_atl2_tpb_tx_buf_clk_gate_en_set(struct aq_hw_s *aq_hw, u32 clk_gate_en)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_ADR,
+ HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_MSK,
+ HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_SHIFT,
+ clk_gate_en);
+}
+
+void hw_atl2_reg_tx_intr_moder_ctrl_set(struct aq_hw_s *aq_hw,
+ u32 tx_intr_moderation_ctl,
+ u32 queue)
+{
+ aq_hw_write_reg(aq_hw, HW_ATL2_TX_INTR_MODERATION_CTL_ADR(queue),
+ tx_intr_moderation_ctl);
+}
+
+void hw_atl2_tps_tx_pkt_shed_data_arb_mode_set(struct aq_hw_s *aq_hw,
+ const u32 data_arb_mode)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_TPS_DATA_TC_ARB_MODE_ADR,
+ HW_ATL2_TPS_DATA_TC_ARB_MODE_MSK,
+ HW_ATL2_TPS_DATA_TC_ARB_MODE_SHIFT,
+ data_arb_mode);
+}
+
+void hw_atl2_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
+ const u32 tc,
+ const u32 max_credit)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_TPS_DATA_TCTCREDIT_MAX_ADR(tc),
+ HW_ATL2_TPS_DATA_TCTCREDIT_MAX_MSK,
+ HW_ATL2_TPS_DATA_TCTCREDIT_MAX_SHIFT,
+ max_credit);
+}
+
+void hw_atl2_tps_tx_pkt_shed_tc_data_weight_set(struct aq_hw_s *aq_hw,
+ const u32 tc,
+ const u32 weight)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_TPS_DATA_TCTWEIGHT_ADR(tc),
+ HW_ATL2_TPS_DATA_TCTWEIGHT_MSK,
+ HW_ATL2_TPS_DATA_TCTWEIGHT_SHIFT,
+ weight);
+}
+
+u32 hw_atl2_get_hw_version(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg(aq_hw, HW_ATL2_FPGA_VER_ADR);
+}
+
+void hw_atl2_init_launchtime(struct aq_hw_s *aq_hw)
+{
+ u32 hw_ver = hw_atl2_get_hw_version(aq_hw);
+
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_LT_CTRL_ADR,
+ HW_ATL2_LT_CTRL_CLK_RATIO_MSK,
+ HW_ATL2_LT_CTRL_CLK_RATIO_SHIFT,
+ hw_ver < HW_ATL2_FPGA_VER_U32(1, 0, 0, 0) ?
+ HW_ATL2_LT_CTRL_CLK_RATIO_FULL_SPEED :
+ hw_ver >= HW_ATL2_FPGA_VER_U32(1, 0, 85, 2) ?
+ HW_ATL2_LT_CTRL_CLK_RATIO_HALF_SPEED :
+ HW_ATL2_LT_CTRL_CLK_RATIO_QUATER_SPEED);
+}
+
+/* set action resolver record */
+void hw_atl2_rpf_act_rslvr_record_set(struct aq_hw_s *aq_hw, u8 location,
+ u32 tag, u32 mask, u32 action)
+{
+ aq_hw_write_reg(aq_hw,
+ HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_ADR(location),
+ tag);
+ aq_hw_write_reg(aq_hw,
+ HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_ADR(location),
+ mask);
+ aq_hw_write_reg(aq_hw,
+ HW_ATL2_RPF_ACT_RSLVR_ACTN_ADR(location),
+ action);
+}
+
+void hw_atl2_rpf_act_rslvr_section_en_set(struct aq_hw_s *aq_hw, u32 sections)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_RPF_REC_TAB_EN_ADR,
+ HW_ATL2_RPF_REC_TAB_EN_MSK,
+ HW_ATL2_RPF_REC_TAB_EN_SHIFT,
+ sections);
+}
+
+void hw_atl2_mif_shared_buf_get(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len)
+{
+ int j = 0;
+ int i;
+
+ for (i = offset; i < offset + len; i++, j++)
+ data[j] = aq_hw_read_reg(aq_hw,
+ HW_ATL2_MIF_SHARED_BUFFER_IN_ADR(i));
+}
+
+void hw_atl2_mif_shared_buf_write(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len)
+{
+ int j = 0;
+ int i;
+
+ for (i = offset; i < offset + len; i++, j++)
+ aq_hw_write_reg(aq_hw, HW_ATL2_MIF_SHARED_BUFFER_IN_ADR(i),
+ data[j]);
+}
+
+void hw_atl2_mif_shared_buf_read(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len)
+{
+ int j = 0;
+ int i;
+
+ for (i = offset; i < offset + len; i++, j++)
+ data[j] = aq_hw_read_reg(aq_hw,
+ HW_ATL2_MIF_SHARED_BUFFER_OUT_ADR(i));
+}
+
+void hw_atl2_mif_host_finished_write_set(struct aq_hw_s *aq_hw, u32 finish)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL2_MIF_HOST_FINISHED_WRITE_ADR,
+ HW_ATL2_MIF_HOST_FINISHED_WRITE_MSK,
+ HW_ATL2_MIF_HOST_FINISHED_WRITE_SHIFT,
+ finish);
+}
+
+u32 hw_atl2_mif_mcp_finished_read_get(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg_bit(aq_hw, HW_ATL2_MIF_MCP_FINISHED_READ_ADR,
+ HW_ATL2_MIF_MCP_FINISHED_READ_MSK,
+ HW_ATL2_MIF_MCP_FINISHED_READ_SHIFT);
+}
+
+u32 hw_atl2_mif_mcp_boot_reg_get(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg(aq_hw, HW_ATL2_MIF_BOOT_REG_ADR);
+}
+
+void hw_atl2_mif_mcp_boot_reg_set(struct aq_hw_s *aq_hw, u32 val)
+{
+ return aq_hw_write_reg(aq_hw, HW_ATL2_MIF_BOOT_REG_ADR, val);
+}
+
+u32 hw_atl2_mif_host_req_int_get(struct aq_hw_s *aq_hw)
+{
+ return aq_hw_read_reg(aq_hw, HW_ATL2_MCP_HOST_REQ_INT_ADR);
+}
+
+void hw_atl2_mif_host_req_int_clr(struct aq_hw_s *aq_hw, u32 val)
+{
+ return aq_hw_write_reg(aq_hw, HW_ATL2_MCP_HOST_REQ_INT_CLR_ADR,
+ val);
+}
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h
new file mode 100644
index 000000000000..98c7a4621297
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef HW_ATL2_LLH_H
+#define HW_ATL2_LLH_H
+
+#include <linux/types.h>
+
+struct aq_hw_s;
+
+/* Set TX Interrupt Moderation Control Register */
+void hw_atl2_reg_tx_intr_moder_ctrl_set(struct aq_hw_s *aq_hw,
+ u32 tx_intr_moderation_ctl,
+ u32 queue);
+
+/* Set Redirection Table 2 Select */
+void hw_atl2_rpf_redirection_table2_select_set(struct aq_hw_s *aq_hw,
+ u32 select);
+
+/** Set RSS HASH type */
+void hw_atl2_rpf_rss_hash_type_set(struct aq_hw_s *aq_hw, u32 rss_hash_type);
+
+/* set new RPF enable */
+void hw_atl2_rpf_new_enable_set(struct aq_hw_s *aq_hw, u32 enable);
+
+/* set l2 unicast filter tag */
+void hw_atl2_rpfl2_uc_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag, u32 filter);
+
+/* set l2 broadcast filter tag */
+void hw_atl2_rpfl2_bc_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag);
+
+/* set new rss redirection table */
+void hw_atl2_new_rpf_rss_redir_set(struct aq_hw_s *aq_hw, u32 tc, u32 index,
+ u32 queue);
+
+/* Set VLAN filter tag */
+void hw_atl2_rpf_vlan_flr_tag_set(struct aq_hw_s *aq_hw, u32 tag, u32 filter);
+
+/* set tx random TC-queue mapping enable bit */
+void hw_atl2_tpb_tx_tc_q_rand_map_en_set(struct aq_hw_s *aq_hw,
+ const u32 tc_q_rand_map_en);
+
+/* set tx buffer clock gate enable */
+void hw_atl2_tpb_tx_buf_clk_gate_en_set(struct aq_hw_s *aq_hw, u32 clk_gate_en);
+
+void hw_atl2_tps_tx_pkt_shed_data_arb_mode_set(struct aq_hw_s *aq_hw,
+ const u32 data_arb_mode);
+
+/* set tx packet scheduler tc data max credit */
+void hw_atl2_tps_tx_pkt_shed_tc_data_max_credit_set(struct aq_hw_s *aq_hw,
+ const u32 tc,
+ const u32 max_credit);
+
+/* set tx packet scheduler tc data weight */
+void hw_atl2_tps_tx_pkt_shed_tc_data_weight_set(struct aq_hw_s *aq_hw,
+ const u32 tc,
+ const u32 weight);
+
+u32 hw_atl2_get_hw_version(struct aq_hw_s *aq_hw);
+
+void hw_atl2_init_launchtime(struct aq_hw_s *aq_hw);
+
+/* set action resolver record */
+void hw_atl2_rpf_act_rslvr_record_set(struct aq_hw_s *aq_hw, u8 location,
+ u32 tag, u32 mask, u32 action);
+
+/* set enable action resolver section */
+void hw_atl2_rpf_act_rslvr_section_en_set(struct aq_hw_s *aq_hw, u32 sections);
+
+/* get data from firmware shared input buffer */
+void hw_atl2_mif_shared_buf_get(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len);
+
+/* set data into firmware shared input buffer */
+void hw_atl2_mif_shared_buf_write(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len);
+
+/* get data from firmware shared output buffer */
+void hw_atl2_mif_shared_buf_read(struct aq_hw_s *aq_hw, int offset, u32 *data,
+ int len);
+
+/* set host finished write shared buffer indication */
+void hw_atl2_mif_host_finished_write_set(struct aq_hw_s *aq_hw, u32 finish);
+
+/* get mcp finished read shared buffer indication */
+u32 hw_atl2_mif_mcp_finished_read_get(struct aq_hw_s *aq_hw);
+
+/* get mcp boot register */
+u32 hw_atl2_mif_mcp_boot_reg_get(struct aq_hw_s *aq_hw);
+
+/* set mcp boot register */
+void hw_atl2_mif_mcp_boot_reg_set(struct aq_hw_s *aq_hw, u32 val);
+
+/* get host interrupt request */
+u32 hw_atl2_mif_host_req_int_get(struct aq_hw_s *aq_hw);
+
+/* clear host interrupt request */
+void hw_atl2_mif_host_req_int_clr(struct aq_hw_s *aq_hw, u32 val);
+
+#endif /* HW_ATL2_LLH_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h
new file mode 100644
index 000000000000..e34c5cda061e
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_llh_internal.h
@@ -0,0 +1,391 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef HW_ATL2_LLH_INTERNAL_H
+#define HW_ATL2_LLH_INTERNAL_H
+
+/* RX pif_rpf_redir_2_en_i Bitfield Definitions
+ * PORT="pif_rpf_redir_2_en_i"
+ */
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_ADR 0x000054C8
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_MSK 0x00001000
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_MSKN 0xFFFFEFFF
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_SHIFT 12
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_WIDTH 1
+#define HW_ATL2_RPF_PIF_RPF_REDIR2_ENI_DEFAULT 0x0
+
+/* RX pif_rpf_rss_hash_type_i Bitfield Definitions
+ */
+#define HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_ADR 0x000054C8
+#define HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_MSK 0x000001FF
+#define HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_MSKN 0xFFFFFE00
+#define HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_SHIFT 0
+#define HW_ATL2_RPF_PIF_RPF_RSS_HASH_TYPEI_WIDTH 9
+
+/* rx rpf_new_rpf_en bitfield definitions
+ * preprocessor definitions for the bitfield "rpf_new_rpf_en_i".
+ * port="pif_rpf_new_rpf_en_i
+ */
+
+/* register address for bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_ADR 0x00005104
+/* bitmask for bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_MSK 0x00000800
+/* inverted bitmask for bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_MSKN 0xfffff7ff
+/* lower bit position of bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_SHIFT 11
+/* width of bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_WIDTH 1
+/* default value of bitfield rpf_new_rpf_en */
+#define HW_ATL2_RPF_NEW_EN_DEFAULT 0x0
+
+/* rx l2_uc_req_tag0{f}[5:0] bitfield definitions
+ * preprocessor definitions for the bitfield "l2_uc_req_tag0{f}[7:0]".
+ * parameter: filter {f} | stride size 0x8 | range [0, 37]
+ * port="pif_rpf_l2_uc_req_tag0[5:0]"
+ */
+
+/* register address for bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_ADR(filter) (0x00005114 + (filter) * 0x8)
+/* bitmask for bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_MSK 0x0FC00000
+/* inverted bitmask for bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_MSKN 0xF03FFFFF
+/* lower bit position of bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_SHIFT 22
+/* width of bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_WIDTH 6
+/* default value of bitfield l2_uc_req_tag0{f}[2:0] */
+#define HW_ATL2_RPFL2UC_TAG_DEFAULT 0x0
+
+/* rpf_l2_bc_req_tag[5:0] bitfield definitions
+ * preprocessor definitions for the bitfield "rpf_l2_bc_req_tag[5:0]".
+ * port="pifrpf_l2_bc_req_tag_i[5:0]"
+ */
+
+/* register address for bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_ADR 0x000050F0
+/* bitmask for bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_MSK 0x0000003F
+/* inverted bitmask for bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_MSKN 0xffffffc0
+/* lower bit position of bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_SHIFT 0
+/* width of bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_WIDTH 6
+/* default value of bitfield rpf_l2_bc_req_tag */
+#define HW_ATL2_RPF_L2_BC_TAG_DEFAULT 0x0
+
+/* rx rpf_rss_red1_data_[4:0] bitfield definitions
+ * preprocessor definitions for the bitfield "rpf_rss_red1_data[4:0]".
+ * port="pif_rpf_rss_red1_data_i[4:0]"
+ */
+
+/* register address for bitfield rpf_rss_red1_data[4:0] */
+#define HW_ATL2_RPF_RSS_REDIR_ADR(TC, INDEX) (0x00006200 + \
+ (0x100 * !!((TC) > 3)) + (INDEX) * 4)
+/* bitmask for bitfield rpf_rss_red1_data[4:0] */
+#define HW_ATL2_RPF_RSS_REDIR_MSK(TC) (0x00000001F << (5 * ((TC) % 4)))
+/* lower bit position of bitfield rpf_rss_red1_data[4:0] */
+#define HW_ATL2_RPF_RSS_REDIR_SHIFT(TC) (5 * ((TC) % 4))
+/* width of bitfield rpf_rss_red1_data[4:0] */
+#define HW_ATL2_RPF_RSS_REDIR_WIDTH 5
+/* default value of bitfield rpf_rss_red1_data[4:0] */
+#define HW_ATL2_RPF_RSS_REDIR_DEFAULT 0x0
+
+/* rx vlan_req_tag0{f}[3:0] bitfield definitions
+ * preprocessor definitions for the bitfield "vlan_req_tag0{f}[3:0]".
+ * parameter: filter {f} | stride size 0x4 | range [0, 15]
+ * port="pif_rpf_vlan_req_tag0[3:0]"
+ */
+
+/* register address for bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_ADR(filter) (0x00005290 + (filter) * 0x4)
+/* bitmask for bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_MSK 0x0000F000
+/* inverted bitmask for bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_MSKN 0xFFFF0FFF
+/* lower bit position of bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_SHIFT 12
+/* width of bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_WIDTH 4
+/* default value of bitfield vlan_req_tag0{f}[3:0] */
+#define HW_ATL2_RPF_VL_TAG_DEFAULT 0x0
+
+/* RX rx_q{Q}_tc_map[2:0] Bitfield Definitions
+ * Preprocessor definitions for the bitfield "rx_q{Q}_tc_map[2:0]".
+ * Parameter: Queue {Q} | bit-level stride | range [0, 31]
+ * PORT="pif_rx_q0_tc_map_i[2:0]"
+ */
+
+/* Register address for bitfield rx_q{Q}_tc_map[2:0] */
+#define HW_ATL2_RX_Q_TC_MAP_ADR(queue) \
+ (((queue) < 32) ? 0x00005900 + ((queue) / 8) * 4 : 0)
+/* Lower bit position of bitfield rx_q{Q}_tc_map[2:0] */
+#define HW_ATL2_RX_Q_TC_MAP_SHIFT(queue) \
+ (((queue) < 32) ? ((queue) * 4) % 32 : 0)
+/* Width of bitfield rx_q{Q}_tc_map[2:0] */
+#define HW_ATL2_RX_Q_TC_MAP_WIDTH 3
+/* Default value of bitfield rx_q{Q}_tc_map[2:0] */
+#define HW_ATL2_RX_Q_TC_MAP_DEFAULT 0x0
+
+/* tx tx_tc_q_rand_map_en bitfield definitions
+ * preprocessor definitions for the bitfield "tx_tc_q_rand_map_en".
+ * port="pif_tpb_tx_tc_q_rand_map_en_i"
+ */
+
+/* register address for bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_ADR 0x00007900
+/* bitmask for bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_MSK 0x00000200
+/* inverted bitmask for bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_MSKN 0xFFFFFDFF
+/* lower bit position of bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_SHIFT 9
+/* width of bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_WIDTH 1
+/* default value of bitfield tx_tc_q_rand_map_en */
+#define HW_ATL2_TPB_TX_TC_Q_RAND_MAP_EN_DEFAULT 0x0
+
+/* tx tx_buffer_clk_gate_en bitfield definitions
+ * preprocessor definitions for the bitfield "tx_buffer_clk_gate_en".
+ * port="pif_tpb_tx_buffer_clk_gate_en_i"
+ */
+
+/* register address for bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_ADR 0x00007900
+/* bitmask for bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_MSK 0x00000020
+/* inverted bitmask for bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_MSKN 0xffffffdf
+/* lower bit position of bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_SHIFT 5
+/* width of bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_WIDTH 1
+/* default value of bitfield tx_buffer_clk_gate_en */
+#define HW_ATL2_TPB_TX_BUF_CLK_GATE_EN_DEFAULT 0x0
+
+/* tx tx_q_tc_map{q} bitfield definitions
+ * preprocessor definitions for the bitfield "tx_q_tc_map{q}".
+ * parameter: queue {q} | bit-level stride | range [0, 31]
+ * port="pif_tpb_tx_q_tc_map0_i[2:0]"
+ */
+
+/* register address for bitfield tx_q_tc_map{q} */
+#define HW_ATL2_TX_Q_TC_MAP_ADR(queue) \
+ (((queue) < 32) ? 0x0000799C + ((queue) / 4) * 4 : 0)
+/* lower bit position of bitfield tx_q_tc_map{q} */
+#define HW_ATL2_TX_Q_TC_MAP_SHIFT(queue) \
+ (((queue) < 32) ? ((queue) * 8) % 32 : 0)
+/* width of bitfield tx_q_tc_map{q} */
+#define HW_ATL2_TX_Q_TC_MAP_WIDTH 3
+/* default value of bitfield tx_q_tc_map{q} */
+#define HW_ATL2_TX_Q_TC_MAP_DEFAULT 0x0
+
+/* tx data_tc_arb_mode bitfield definitions
+ * preprocessor definitions for the bitfield "data_tc_arb_mode".
+ * port="pif_tps_data_tc_arb_mode_i"
+ */
+
+/* register address for bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_ADR 0x00007100
+/* bitmask for bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_MSK 0x00000003
+/* inverted bitmask for bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_MSKN 0xfffffffc
+/* lower bit position of bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_SHIFT 0
+/* width of bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_WIDTH 2
+/* default value of bitfield data_tc_arb_mode */
+#define HW_ATL2_TPS_DATA_TC_ARB_MODE_DEFAULT 0x0
+
+/* tx data_tc{t}_credit_max[f:0] bitfield definitions
+ * preprocessor definitions for the bitfield "data_tc{t}_credit_max[f:0]".
+ * parameter: tc {t} | stride size 0x4 | range [0, 7]
+ * port="pif_tps_data_tc0_credit_max_i[15:0]"
+ */
+
+/* register address for bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_ADR(tc) (0x00007110 + (tc) * 0x4)
+/* bitmask for bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_MSK 0xffff0000
+/* inverted bitmask for bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_MSKN 0x0000ffff
+/* lower bit position of bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_SHIFT 16
+/* width of bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_WIDTH 16
+/* default value of bitfield data_tc{t}_credit_max[f:0] */
+#define HW_ATL2_TPS_DATA_TCTCREDIT_MAX_DEFAULT 0x0
+
+/* tx data_tc{t}_weight[e:0] bitfield definitions
+ * preprocessor definitions for the bitfield "data_tc{t}_weight[e:0]".
+ * parameter: tc {t} | stride size 0x4 | range [0, 7]
+ * port="pif_tps_data_tc0_weight_i[14:0]"
+ */
+
+/* register address for bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_ADR(tc) (0x00007110 + (tc) * 0x4)
+/* bitmask for bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_MSK 0x00007fff
+/* inverted bitmask for bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_MSKN 0xffff8000
+/* lower bit position of bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_SHIFT 0
+/* width of bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_WIDTH 15
+/* default value of bitfield data_tc{t}_weight[e:0] */
+#define HW_ATL2_TPS_DATA_TCTWEIGHT_DEFAULT 0x0
+
+/* tx interrupt moderation control register definitions
+ * Preprocessor definitions for TX Interrupt Moderation Control Register
+ * Base Address: 0x00007c28
+ * Parameter: queue {Q} | stride size 0x4 | range [0, 31]
+ */
+
+#define HW_ATL2_TX_INTR_MODERATION_CTL_ADR(queue) (0x00007c28u + (queue) * 0x40)
+
+/* Launch time control register */
+#define HW_ATL2_LT_CTRL_ADR 0x00007a1c
+
+#define HW_ATL2_LT_CTRL_AVB_LEN_CMP_TRSHLD_MSK 0xFFFF0000
+#define HW_ATL2_LT_CTRL_AVB_LEN_CMP_TRSHLD_SHIFT 16
+
+#define HW_ATL2_LT_CTRL_CLK_RATIO_MSK 0x0000FF00
+#define HW_ATL2_LT_CTRL_CLK_RATIO_SHIFT 8
+#define HW_ATL2_LT_CTRL_CLK_RATIO_QUATER_SPEED 4
+#define HW_ATL2_LT_CTRL_CLK_RATIO_HALF_SPEED 2
+#define HW_ATL2_LT_CTRL_CLK_RATIO_FULL_SPEED 1
+
+#define HW_ATL2_LT_CTRL_25G_MODE_SUPPORT_MSK 0x00000008
+#define HW_ATL2_LT_CTRL_25G_MODE_SUPPORT_SHIFT 3
+
+#define HW_ATL2_LT_CTRL_LINK_SPEED_MSK 0x00000007
+#define HW_ATL2_LT_CTRL_LINK_SPEED_SHIFT 0
+
+/* FPGA VER register */
+#define HW_ATL2_FPGA_VER_ADR 0x000000f4
+#define HW_ATL2_FPGA_VER_U32(mj, mi, bl, rv) \
+ ((((mj) & 0xff) << 24) | \
+ (((mi) & 0xff) << 16) | \
+ (((bl) & 0xff) << 8) | \
+ (((rv) & 0xff) << 0))
+
+/* ahb_mem_addr{f}[31:0] Bitfield Definitions
+ * Preprocessor definitions for the bitfield "ahb_mem_addr{f}[31:0]".
+ * Parameter: filter {f} | stride size 0x10 | range [0, 127]
+ * PORT="ahb_mem_addr{f}[31:0]"
+ */
+
+/* Register address for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_ADR(filter) \
+ (0x00014000u + (filter) * 0x10)
+/* Bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_MSK 0xFFFFFFFFu
+/* Inverted bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_MSKN 0x00000000u
+/* Lower bit position of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_SHIFT 0
+/* Width of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_WIDTH 31
+/* Default value of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_REQ_TAG_DEFAULT 0x0
+
+/* Register address for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_ADR(filter) \
+ (0x00014004u + (filter) * 0x10)
+/* Bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_MSK 0xFFFFFFFFu
+/* Inverted bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_MSKN 0x00000000u
+/* Lower bit position of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_SHIFT 0
+/* Width of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_WIDTH 31
+/* Default value of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_TAG_MASK_DEFAULT 0x0
+
+/* Register address for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_ADR(filter) \
+ (0x00014008u + (filter) * 0x10)
+/* Bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_MSK 0x000007FFu
+/* Inverted bitmask for bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_MSKN 0xFFFFF800u
+/* Lower bit position of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_SHIFT 0
+/* Width of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_WIDTH 10
+/* Default value of bitfield ahb_mem_addr{f}[31:0] */
+#define HW_ATL2_RPF_ACT_RSLVR_ACTN_DEFAULT 0x0
+
+/* rpf_rec_tab_en[15:0] Bitfield Definitions
+ * Preprocessor definitions for the bitfield "rpf_rec_tab_en[15:0]".
+ * PORT="pif_rpf_rec_tab_en[15:0]"
+ */
+/* Register address for bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_ADR 0x00006ff0u
+/* Bitmask for bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_MSK 0x0000FFFFu
+/* Inverted bitmask for bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_MSKN 0xFFFF0000u
+/* Lower bit position of bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_SHIFT 0
+/* Width of bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_WIDTH 16
+/* Default value of bitfield rpf_rec_tab_en[15:0] */
+#define HW_ATL2_RPF_REC_TAB_EN_DEFAULT 0x0
+
+/* Register address for firmware shared input buffer */
+#define HW_ATL2_MIF_SHARED_BUFFER_IN_ADR(dword) (0x00012000U + (dword) * 0x4U)
+/* Register address for firmware shared output buffer */
+#define HW_ATL2_MIF_SHARED_BUFFER_OUT_ADR(dword) (0x00013000U + (dword) * 0x4U)
+
+/* pif_host_finished_buf_wr_i Bitfield Definitions
+ * Preprocessor definitions for the bitfield "pif_host_finished_buf_wr_i".
+ * PORT="pif_host_finished_buf_wr_i"
+ */
+/* Register address for bitfield rpif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_ADR 0x00000e00u
+/* Bitmask for bitfield pif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_MSK 0x00000001u
+/* Inverted bitmask for bitfield pif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_MSKN 0xFFFFFFFEu
+/* Lower bit position of bitfield pif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_SHIFT 0
+/* Width of bitfield pif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_WIDTH 1
+/* Default value of bitfield pif_host_finished_buf_wr_i */
+#define HW_ATL2_MIF_HOST_FINISHED_WRITE_DEFAULT 0x0
+
+/* pif_mcp_finished_buf_rd_i Bitfield Definitions
+ * Preprocessor definitions for the bitfield "pif_mcp_finished_buf_rd_i".
+ * PORT="pif_mcp_finished_buf_rd_i"
+ */
+/* Register address for bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_ADR 0x00000e04u
+/* Bitmask for bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_MSK 0x00000001u
+/* Inverted bitmask for bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_MSKN 0xFFFFFFFEu
+/* Lower bit position of bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_SHIFT 0
+/* Width of bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_WIDTH 1
+/* Default value of bitfield pif_mcp_finished_buf_rd_i */
+#define HW_ATL2_MIF_MCP_FINISHED_READ_DEFAULT 0x0
+
+/* Register address for bitfield pif_mcp_boot_reg */
+#define HW_ATL2_MIF_BOOT_REG_ADR 0x00003040u
+
+#define HW_ATL2_MCP_HOST_REQ_INT_READY BIT(0)
+
+#define HW_ATL2_MCP_HOST_REQ_INT_ADR 0x00000F00u
+#define HW_ATL2_MCP_HOST_REQ_INT_SET_ADR 0x00000F04u
+#define HW_ATL2_MCP_HOST_REQ_INT_CLR_ADR 0x00000F08u
+
+#endif /* HW_ATL2_LLH_INTERNAL_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.c
new file mode 100644
index 000000000000..f3766780e975
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include <linux/iopoll.h>
+
+#include "aq_hw_utils.h"
+#include "hw_atl/hw_atl_utils.h"
+#include "hw_atl2_utils.h"
+#include "hw_atl2_llh.h"
+#include "hw_atl2_llh_internal.h"
+
+#define HW_ATL2_FW_VER_1X 0x01000000U
+
+#define AQ_A2_BOOT_STARTED BIT(0x18)
+#define AQ_A2_CRASH_INIT BIT(0x1B)
+#define AQ_A2_BOOT_CODE_FAILED BIT(0x1C)
+#define AQ_A2_FW_INIT_FAILED BIT(0x1D)
+#define AQ_A2_FW_INIT_COMP_SUCCESS BIT(0x1F)
+
+#define AQ_A2_FW_BOOT_FAILED_MASK (AQ_A2_CRASH_INIT | \
+ AQ_A2_BOOT_CODE_FAILED | \
+ AQ_A2_FW_INIT_FAILED)
+#define AQ_A2_FW_BOOT_COMPLETE_MASK (AQ_A2_FW_BOOT_FAILED_MASK | \
+ AQ_A2_FW_INIT_COMP_SUCCESS)
+
+#define AQ_A2_FW_BOOT_REQ_REBOOT BIT(0x0)
+#define AQ_A2_FW_BOOT_REQ_HOST_BOOT BIT(0x8)
+#define AQ_A2_FW_BOOT_REQ_MAC_FAST_BOOT BIT(0xA)
+#define AQ_A2_FW_BOOT_REQ_PHY_FAST_BOOT BIT(0xB)
+
+int hw_atl2_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
+{
+ int err;
+
+ self->fw_ver_actual = hw_atl2_utils_get_fw_version(self);
+
+ if (hw_atl_utils_ver_match(HW_ATL2_FW_VER_1X,
+ self->fw_ver_actual) == 0) {
+ *fw_ops = &aq_a2_fw_ops;
+ } else {
+ aq_pr_err("Bad FW version detected: %x, but continue\n",
+ self->fw_ver_actual);
+ *fw_ops = &aq_a2_fw_ops;
+ }
+ aq_pr_trace("Detect ATL2FW %x\n", self->fw_ver_actual);
+ self->aq_fw_ops = *fw_ops;
+ err = self->aq_fw_ops->init(self);
+
+ self->chip_features |= ATL_HW_CHIP_ANTIGUA;
+
+ return err;
+}
+
+static bool hw_atl2_mcp_boot_complete(struct aq_hw_s *self)
+{
+ u32 rbl_status;
+
+ rbl_status = hw_atl2_mif_mcp_boot_reg_get(self);
+ if (rbl_status & AQ_A2_FW_BOOT_COMPLETE_MASK)
+ return true;
+
+ /* Host boot requested */
+ if (hw_atl2_mif_host_req_int_get(self) & HW_ATL2_MCP_HOST_REQ_INT_READY)
+ return true;
+
+ return false;
+}
+
+int hw_atl2_utils_soft_reset(struct aq_hw_s *self)
+{
+ bool rbl_complete = false;
+ u32 rbl_status = 0;
+ u32 rbl_request;
+ int err;
+
+ hw_atl2_mif_host_req_int_clr(self, 0x01);
+ rbl_request = AQ_A2_FW_BOOT_REQ_REBOOT;
+#ifdef AQ_CFG_FAST_START
+ rbl_request |= AQ_A2_FW_BOOT_REQ_MAC_FAST_BOOT;
+#endif
+ hw_atl2_mif_mcp_boot_reg_set(self, rbl_request);
+
+ /* Wait for RBL boot */
+ err = readx_poll_timeout_atomic(hw_atl2_mif_mcp_boot_reg_get, self,
+ rbl_status,
+ ((rbl_status & AQ_A2_BOOT_STARTED) &&
+ (rbl_status != 0xFFFFFFFFu)),
+ 10, 200000);
+ if (err) {
+ aq_pr_err("Boot code hanged");
+ goto err_exit;
+ }
+
+ err = readx_poll_timeout_atomic(hw_atl2_mcp_boot_complete, self,
+ rbl_complete,
+ rbl_complete,
+ 10, 2000000);
+
+ if (err) {
+ aq_pr_err("FW Restart timed out");
+ goto err_exit;
+ }
+
+ rbl_status = hw_atl2_mif_mcp_boot_reg_get(self);
+
+ if (rbl_status & AQ_A2_FW_BOOT_FAILED_MASK) {
+ err = -EIO;
+ aq_pr_err("FW Restart failed");
+ goto err_exit;
+ }
+
+ if (hw_atl2_mif_host_req_int_get(self) &
+ HW_ATL2_MCP_HOST_REQ_INT_READY) {
+ err = -EIO;
+ aq_pr_err("No FW detected. Dynamic FW load not implemented");
+ goto err_exit;
+ }
+
+ if (self->aq_fw_ops) {
+ err = self->aq_fw_ops->init(self);
+ if (err) {
+ aq_pr_err("FW Init failed");
+ goto err_exit;
+ }
+ }
+
+err_exit:
+ return err;
+}
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.h
new file mode 100644
index 000000000000..b66fa346581c
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils.h
@@ -0,0 +1,606 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#ifndef HW_ATL2_UTILS_H
+#define HW_ATL2_UTILS_H
+
+#include "aq_hw.h"
+
+/* F W A P I */
+
+struct link_options_s {
+ u8 link_up:1;
+ u8 link_renegotiate:1;
+ u8 minimal_link_speed:1;
+ u8 internal_loopback:1;
+ u8 external_loopback:1;
+ u8 rate_10M_hd:1;
+ u8 rate_100M_hd:1;
+ u8 rate_1G_hd:1;
+
+ u8 rate_10M:1;
+ u8 rate_100M:1;
+ u8 rate_1G:1;
+ u8 rate_2P5G:1;
+ u8 rate_N2P5G:1;
+ u8 rate_5G:1;
+ u8 rate_N5G:1;
+ u8 rate_10G:1;
+
+ u8 eee_100M:1;
+ u8 eee_1G:1;
+ u8 eee_2P5G:1;
+ u8 eee_5G:1;
+ u8 eee_10G:1;
+ u8 rsvd3:3;
+
+ u8 pause_rx:1;
+ u8 pause_tx:1;
+ u8 rsvd4:1;
+ u8 downshift:1;
+ u8 downshift_retry:4;
+};
+
+struct link_control_s {
+ u8 mode:4;
+ u8 disable_crc_corruption:1;
+ u8 discard_short_frames:1;
+ u8 flow_control_mode:1;
+ u8 disable_length_check:1;
+
+ u8 discard_errored_frames:1;
+ u8 control_frame_enable:1;
+ u8 enable_tx_padding:1;
+ u8 enable_crc_forwarding:1;
+ u8 enable_frame_padding_removal_rx: 1;
+ u8 promiscuous_mode: 1;
+ u8 rsvd:2;
+
+ u16 rsvd2;
+};
+
+struct thermal_shutdown_s {
+ u8 enable:1;
+ u8 warning_enable:1;
+ u8 rsvd:6;
+
+ u8 shutdown_temperature;
+ u8 cold_temperature;
+ u8 warning_temperature;
+};
+
+struct mac_address_s {
+ u8 mac_address[6];
+};
+
+struct mac_address_aligned_s {
+ struct mac_address_s aligned;
+ u16 rsvd;
+};
+
+struct sleep_proxy_s {
+ struct wake_on_lan_s {
+ u8 wake_on_magic_packet:1;
+ u8 wake_on_pattern:1;
+ u8 wake_on_link_up:1;
+ u8 wake_on_link_down:1;
+ u8 wake_on_ping:1;
+ u8 wake_on_timer:1;
+ u8 rsvd:2;
+
+ u8 rsvd2;
+ u16 rsvd3;
+
+ u32 link_up_timeout;
+ u32 link_down_timeout;
+ u32 timer;
+ } wake_on_lan;
+
+ struct {
+ u32 mask[4];
+ u32 crc32;
+ } wake_up_pattern[8];
+
+ struct __packed {
+ u8 arp_responder:1;
+ u8 echo_responder:1;
+ u8 igmp_client:1;
+ u8 echo_truncate:1;
+ u8 address_guard:1;
+ u8 ignore_fragmented:1;
+ u8 rsvd:2;
+
+ u16 echo_max_len;
+ u8 rsvd2;
+ } ipv4_offload;
+
+ u32 ipv4_offload_addr[8];
+ u32 reserved[8];
+
+ struct __packed {
+ u8 ns_responder:1;
+ u8 echo_responder:1;
+ u8 mld_client:1;
+ u8 echo_truncate:1;
+ u8 address_guard:1;
+ u8 rsvd:3;
+
+ u16 echo_max_len;
+ u8 rsvd2;
+ } ipv6_offload;
+
+ u32 ipv6_offload_addr[16][4];
+
+ struct {
+ u16 port[16];
+ } tcp_port_offload;
+
+ struct {
+ u16 port[16];
+ } udp_port_offload;
+
+ struct {
+ u32 retry_count;
+ u32 retry_interval;
+ } ka4_offload;
+
+ struct {
+ u32 timeout;
+ u16 local_port;
+ u16 remote_port;
+ u8 remote_mac_addr[6];
+ u16 rsvd;
+ u32 rsvd2;
+ u32 rsvd3;
+ u16 rsvd4;
+ u16 win_size;
+ u32 seq_num;
+ u32 ack_num;
+ u32 local_ip;
+ u32 remote_ip;
+ } ka4_connection[16];
+
+ struct {
+ u32 retry_count;
+ u32 retry_interval;
+ } ka6_offload;
+
+ struct {
+ u32 timeout;
+ u16 local_port;
+ u16 remote_port;
+ u8 remote_mac_addr[6];
+ u16 rsvd;
+ u32 rsvd2;
+ u32 rsvd3;
+ u16 rsvd4;
+ u16 win_size;
+ u32 seq_num;
+ u32 ack_num;
+ u32 local_ip[4];
+ u32 remote_ip[4];
+ } ka6_connection[16];
+
+ struct {
+ u32 rr_count;
+ u32 rr_buf_len;
+ u32 idx_offset;
+ u32 rr__offset;
+ } mdns_offload;
+};
+
+struct pause_quanta_s {
+ u16 quanta_10M;
+ u16 threshold_10M;
+ u16 quanta_100M;
+ u16 threshold_100M;
+ u16 quanta_1G;
+ u16 threshold_1G;
+ u16 quanta_2P5G;
+ u16 threshold_2P5G;
+ u16 quanta_5G;
+ u16 threshold_5G;
+ u16 quanta_10G;
+ u16 threshold_10G;
+};
+
+struct data_buffer_status_s {
+ u32 data_offset;
+ u32 data_length;
+};
+
+struct device_caps_s {
+ u8 finite_flashless:1;
+ u8 cable_diag:1;
+ u8 ncsi:1;
+ u8 avb:1;
+ u8 rsvd:4;
+
+ u8 rsvd2;
+ u16 rsvd3;
+ u32 rsvd4;
+};
+
+struct version_s {
+ struct bundle_version_t {
+ u8 major;
+ u8 minor;
+ u16 build;
+ } bundle;
+ struct mac_version_t {
+ u8 major;
+ u8 minor;
+ u16 build;
+ } mac;
+ struct phy_version_t {
+ u8 major;
+ u8 minor;
+ u16 build;
+ } phy;
+ u32 rsvd;
+};
+
+struct link_status_s {
+ u8 link_state:4;
+ u8 link_rate:4;
+
+ u8 pause_tx:1;
+ u8 pause_rx:1;
+ u8 eee:1;
+ u8 duplex:1;
+ u8 rsvd:4;
+
+ u16 rsvd2;
+};
+
+struct wol_status_s {
+ u8 wake_count;
+ u8 wake_reason;
+
+ u16 wake_up_packet_length :12;
+ u16 wake_up_pattern_number :3;
+ u16 rsvd:1;
+
+ u32 wake_up_packet[379];
+};
+
+struct mac_health_monitor_s {
+ u8 mac_ready:1;
+ u8 mac_fault:1;
+ u8 mac_flashless_finished:1;
+ u8 rsvd:5;
+
+ u8 mac_temperature;
+ u16 mac_heart_beat;
+ u16 mac_fault_code;
+ u16 rsvd2;
+};
+
+struct phy_health_monitor_s {
+ u8 phy_ready:1;
+ u8 phy_fault:1;
+ u8 phy_hot_warning:1;
+ u8 rsvd:5;
+
+ u8 phy_temperature;
+ u16 phy_heart_beat;
+ u16 phy_fault_code;
+ u16 rsvd2;
+};
+
+struct device_link_caps_s {
+ u8 rsvd:3;
+ u8 internal_loopback:1;
+ u8 external_loopback:1;
+ u8 rate_10M_hd:1;
+ u8 rate_100M_hd:1;
+ u8 rate_1G_hd:1;
+
+ u8 rate_10M:1;
+ u8 rate_100M:1;
+ u8 rate_1G:1;
+ u8 rate_2P5G:1;
+ u8 rate_N2P5G:1;
+ u8 rate_5G:1;
+ u8 rate_N5G:1;
+ u8 rate_10G:1;
+
+ u8 rsvd3:1;
+ u8 eee_100M:1;
+ u8 eee_1G:1;
+ u8 eee_2P5G:1;
+ u8 rsvd4:1;
+ u8 eee_5G:1;
+ u8 rsvd5:1;
+ u8 eee_10G:1;
+
+ u8 pause_rx:1;
+ u8 pause_tx:1;
+ u8 pfc:1;
+ u8 downshift:1;
+ u8 downshift_retry:4;
+};
+
+struct sleep_proxy_caps_s {
+ u8 ipv4_offload:1;
+ u8 ipv6_offload:1;
+ u8 tcp_port_offload:1;
+ u8 udp_port_offload:1;
+ u8 ka4_offload:1;
+ u8 ka6_offload:1;
+ u8 mdns_offload:1;
+ u8 wake_on_ping:1;
+
+ u8 wake_on_magic_packet:1;
+ u8 wake_on_pattern:1;
+ u8 wake_on_timer:1;
+ u8 wake_on_link:1;
+ u8 wake_patterns_count:4;
+
+ u8 ipv4_count;
+ u8 ipv6_count;
+
+ u8 tcp_port_offload_count;
+ u8 udp_port_offload_count;
+
+ u8 tcp4_ka_count;
+ u8 tcp6_ka_count;
+
+ u8 igmp_offload:1;
+ u8 mld_offload:1;
+ u8 rsvd:6;
+
+ u8 rsvd2;
+ u16 rsvd3;
+};
+
+struct lkp_link_caps_s {
+ u8 rsvd:5;
+ u8 rate_10M_hd:1;
+ u8 rate_100M_hd:1;
+ u8 rate_1G_hd:1;
+
+ u8 rate_10M:1;
+ u8 rate_100M:1;
+ u8 rate_1G:1;
+ u8 rate_2P5G:1;
+ u8 rate_N2P5G:1;
+ u8 rate_5G:1;
+ u8 rate_N5G:1;
+ u8 rate_10G:1;
+
+ u8 rsvd2:1;
+ u8 eee_100M:1;
+ u8 eee_1G:1;
+ u8 eee_2P5G:1;
+ u8 rsvd3:1;
+ u8 eee_5G:1;
+ u8 rsvd4:1;
+ u8 eee_10G:1;
+
+ u8 pause_rx:1;
+ u8 pause_tx:1;
+ u8 rsvd5:6;
+};
+
+struct core_dump_s {
+ u32 reg0;
+ u32 reg1;
+ u32 reg2;
+
+ u32 hi;
+ u32 lo;
+
+ u32 regs[32];
+};
+
+struct trace_s {
+ u32 sync_counter;
+ u32 mem_buffer[0x1ff];
+};
+
+struct cable_diag_control_s {
+ u8 toggle :1;
+ u8 rsvd:7;
+
+ u8 wait_timeout_sec;
+ u16 rsvd2;
+};
+
+struct cable_diag_lane_data_s {
+ u8 result_code;
+ u8 dist;
+ u8 far_dist;
+ u8 rsvd;
+};
+
+struct cable_diag_status_s {
+ struct cable_diag_lane_data_s lane_data[4];
+ u8 transact_id;
+ u8 status:4;
+ u8 rsvd:4;
+ u16 rsvd2;
+};
+
+struct statistics_s {
+ struct {
+ u32 link_up;
+ u32 link_down;
+ } link;
+
+ struct {
+ u64 tx_unicast_octets;
+ u64 tx_multicast_octets;
+ u64 tx_broadcast_octets;
+ u64 rx_unicast_octets;
+ u64 rx_multicast_octets;
+ u64 rx_broadcast_octets;
+
+ u32 tx_unicast_frames;
+ u32 tx_multicast_frames;
+ u32 tx_broadcast_frames;
+ u32 tx_errors;
+
+ u32 rx_unicast_frames;
+ u32 rx_multicast_frames;
+ u32 rx_broadcast_frames;
+ u32 rx_dropped_frames;
+ u32 rx_error_frames;
+
+ u32 tx_good_frames;
+ u32 rx_good_frames;
+ u32 reserve_fw_gap;
+ } msm;
+ u32 main_loop_cycles;
+ u32 reserve_fw_gap;
+};
+
+struct filter_caps_s {
+ u8 l2_filters_base_index:6;
+ u8 flexible_filter_mask:2;
+ u8 l2_filter_count;
+ u8 ethertype_filter_base_index;
+ u8 ethertype_filter_count;
+
+ u8 vlan_filter_base_index;
+ u8 vlan_filter_count;
+ u8 l3_ip4_filter_base_index:4;
+ u8 l3_ip4_filter_count:4;
+ u8 l3_ip6_filter_base_index:4;
+ u8 l3_ip6_filter_count:4;
+
+ u8 l4_filter_base_index:4;
+ u8 l4_filter_count:4;
+ u8 l4_flex_filter_base_index:4;
+ u8 l4_flex_filter_count:4;
+ u8 rslv_tbl_base_index;
+ u8 rslv_tbl_count;
+};
+
+struct request_policy_s {
+ struct {
+ u8 all:1;
+ u8 mcast:1;
+ u8 rx_queue_tc_index:5;
+ u8 queue_or_tc:1;
+ } promisc;
+
+ struct {
+ u8 accept:1;
+ u8 rsvd:1;
+ u8 rx_queue_tc_index:5;
+ u8 queue_or_tc:1;
+ } bcast;
+
+ struct {
+ u8 accept:1;
+ u8 rsvd:1;
+ u8 rx_queue_tc_index:5;
+ u8 queue_or_tc:1;
+ } mcast;
+
+ u8 rsvd:8;
+};
+
+struct fw_interface_in {
+ u32 mtu;
+ u32 rsvd1;
+ struct mac_address_aligned_s mac_address;
+ struct link_control_s link_control;
+ u32 rsvd2;
+ struct link_options_s link_options;
+ u32 rsvd3;
+ struct thermal_shutdown_s thermal_shutdown;
+ u32 rsvd4;
+ struct sleep_proxy_s sleep_proxy;
+ u32 rsvd5;
+ struct pause_quanta_s pause_quanta[8];
+ struct cable_diag_control_s cable_diag_control;
+ u32 rsvd6;
+ struct data_buffer_status_s data_buffer_status;
+ u32 rsvd7;
+ struct request_policy_s request_policy;
+};
+
+struct transaction_counter_s {
+ u16 transaction_cnt_a;
+ u16 transaction_cnt_b;
+};
+
+struct management_status_s {
+ struct mac_address_s mac_address;
+ u16 vlan;
+
+ struct{
+ u32 enable : 1;
+ u32 rsvd:31;
+ } flags;
+
+ u32 rsvd1;
+ u32 rsvd2;
+ u32 rsvd3;
+ u32 rsvd4;
+ u32 rsvd5;
+};
+
+struct fw_interface_out {
+ struct transaction_counter_s transaction_id;
+ struct version_s version;
+ struct link_status_s link_status;
+ struct wol_status_s wol_status;
+ u32 rsvd;
+ u32 rsvd2;
+ struct mac_health_monitor_s mac_health_monitor;
+ u32 rsvd3;
+ u32 rsvd4;
+ struct phy_health_monitor_s phy_health_monitor;
+ u32 rsvd5;
+ u32 rsvd6;
+ struct cable_diag_status_s cable_diag_status;
+ u32 rsvd7;
+ struct device_link_caps_s device_link_caps;
+ u32 rsvd8;
+ struct sleep_proxy_caps_s sleep_proxy_caps;
+ u32 rsvd9;
+ struct lkp_link_caps_s lkp_link_caps;
+ u32 rsvd10;
+ struct core_dump_s core_dump;
+ u32 rsvd11;
+ struct statistics_s stats;
+ u32 rsvd12;
+ struct filter_caps_s filter_caps;
+ struct device_caps_s device_caps;
+ u32 rsvd13;
+ struct management_status_s management_status;
+ u32 reserve[21];
+ struct trace_s trace;
+};
+
+#define AQ_A2_FW_LINK_RATE_INVALID 0
+#define AQ_A2_FW_LINK_RATE_10M 1
+#define AQ_A2_FW_LINK_RATE_100M 2
+#define AQ_A2_FW_LINK_RATE_1G 3
+#define AQ_A2_FW_LINK_RATE_2G5 4
+#define AQ_A2_FW_LINK_RATE_5G 5
+#define AQ_A2_FW_LINK_RATE_10G 6
+
+#define AQ_HOST_MODE_INVALID 0U
+#define AQ_HOST_MODE_ACTIVE 1U
+#define AQ_HOST_MODE_SLEEP_PROXY 2U
+#define AQ_HOST_MODE_LOW_POWER 3U
+#define AQ_HOST_MODE_SHUTDOWN 4U
+
+int hw_atl2_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops);
+
+int hw_atl2_utils_soft_reset(struct aq_hw_s *self);
+
+u32 hw_atl2_utils_get_fw_version(struct aq_hw_s *self);
+
+int hw_atl2_utils_get_action_resolve_table_caps(struct aq_hw_s *self,
+ u8 *base_index, u8 *count);
+
+extern const struct aq_fw_ops aq_a2_fw_ops;
+
+#endif /* HW_ATL2_UTILS_H */
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
new file mode 100644
index 000000000000..0ffc33bd67d0
--- /dev/null
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2_utils_fw.c
@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Atlantic Network Driver
+ * Copyright (C) 2020 Marvell International Ltd.
+ */
+
+#include <linux/iopoll.h>
+
+#include "aq_hw.h"
+#include "aq_hw_utils.h"
+#include "hw_atl/hw_atl_llh.h"
+#include "hw_atl2_utils.h"
+#include "hw_atl2_llh.h"
+#include "hw_atl2_internal.h"
+
+#define AQ_A2_FW_READ_TRY_MAX 1000
+
+#define hw_atl2_shared_buffer_write(HW, ITEM, VARIABLE) \
+ hw_atl2_mif_shared_buf_write(HW,\
+ (offsetof(struct fw_interface_in, ITEM) / sizeof(u32)),\
+ (u32 *)&(VARIABLE), sizeof(VARIABLE) / sizeof(u32))
+
+#define hw_atl2_shared_buffer_get(HW, ITEM, VARIABLE) \
+ hw_atl2_mif_shared_buf_get(HW, \
+ (offsetof(struct fw_interface_in, ITEM) / sizeof(u32)),\
+ (u32 *)&(VARIABLE), \
+ sizeof(VARIABLE) / sizeof(u32))
+
+/* This should never be used on non atomic fields,
+ * treat any > u32 read as non atomic.
+ */
+#define hw_atl2_shared_buffer_read(HW, ITEM, VARIABLE) \
+{\
+ BUILD_BUG_ON_MSG((offsetof(struct fw_interface_out, ITEM) % \
+ sizeof(u32)) != 0,\
+ "Non aligned read " # ITEM);\
+ BUILD_BUG_ON_MSG(sizeof(VARIABLE) > sizeof(u32),\
+ "Non atomic read " # ITEM);\
+ hw_atl2_mif_shared_buf_read(HW, \
+ (offsetof(struct fw_interface_out, ITEM) / sizeof(u32)),\
+ (u32 *)&(VARIABLE), sizeof(VARIABLE) / sizeof(u32));\
+}
+
+#define hw_atl2_shared_buffer_read_safe(HW, ITEM, DATA) \
+ hw_atl2_shared_buffer_read_block((HW), \
+ (offsetof(struct fw_interface_out, ITEM) / sizeof(u32)),\
+ sizeof(((struct fw_interface_out *)0)->ITEM) / sizeof(u32),\
+ (DATA))
+
+static int hw_atl2_shared_buffer_read_block(struct aq_hw_s *self,
+ u32 offset, u32 dwords, void *data)
+{
+ struct transaction_counter_s tid1, tid2;
+ int cnt = 0;
+
+ do {
+ do {
+ hw_atl2_shared_buffer_read(self, transaction_id, tid1);
+ cnt++;
+ if (cnt > AQ_A2_FW_READ_TRY_MAX)
+ return -ETIME;
+ if (tid1.transaction_cnt_a != tid1.transaction_cnt_b)
+ udelay(1);
+ } while (tid1.transaction_cnt_a != tid1.transaction_cnt_b);
+
+ hw_atl2_mif_shared_buf_read(self, offset, (u32 *)data, dwords);
+
+ hw_atl2_shared_buffer_read(self, transaction_id, tid2);
+
+ cnt++;
+ if (cnt > AQ_A2_FW_READ_TRY_MAX)
+ return -ETIME;
+ } while (tid2.transaction_cnt_a != tid2.transaction_cnt_b ||
+ tid1.transaction_cnt_a != tid2.transaction_cnt_a);
+
+ return 0;
+}
+
+static inline int hw_atl2_shared_buffer_finish_ack(struct aq_hw_s *self)
+{
+ u32 val;
+ int err;
+
+ hw_atl2_mif_host_finished_write_set(self, 1U);
+ err = readx_poll_timeout_atomic(hw_atl2_mif_mcp_finished_read_get,
+ self, val, val == 0U,
+ 100, 100000U);
+ WARN(err, "hw_atl2_shared_buffer_finish_ack");
+
+ return err;
+}
+
+static int aq_a2_fw_init(struct aq_hw_s *self)
+{
+ struct link_control_s link_control;
+ u32 mtu;
+ u32 val;
+ int err;
+
+ hw_atl2_shared_buffer_get(self, link_control, link_control);
+ link_control.mode = AQ_HOST_MODE_ACTIVE;
+ hw_atl2_shared_buffer_write(self, link_control, link_control);
+
+ hw_atl2_shared_buffer_get(self, mtu, mtu);
+ mtu = HW_ATL2_MTU_JUMBO;
+ hw_atl2_shared_buffer_write(self, mtu, mtu);
+
+ hw_atl2_mif_host_finished_write_set(self, 1U);
+ err = readx_poll_timeout_atomic(hw_atl2_mif_mcp_finished_read_get,
+ self, val, val == 0U,
+ 100, 5000000U);
+ WARN(err, "hw_atl2_shared_buffer_finish_ack");
+
+ return err;
+}
+
+static int aq_a2_fw_deinit(struct aq_hw_s *self)
+{
+ struct link_control_s link_control;
+
+ hw_atl2_shared_buffer_get(self, link_control, link_control);
+ link_control.mode = AQ_HOST_MODE_SHUTDOWN;
+ hw_atl2_shared_buffer_write(self, link_control, link_control);
+
+ return hw_atl2_shared_buffer_finish_ack(self);
+}
+
+static void a2_link_speed_mask2fw(u32 speed,
+ struct link_options_s *link_options)
+{
+ link_options->rate_10G = !!(speed & AQ_NIC_RATE_10G);
+ link_options->rate_5G = !!(speed & AQ_NIC_RATE_5G);
+ link_options->rate_N5G = !!(speed & AQ_NIC_RATE_5GSR);
+ link_options->rate_2P5G = !!(speed & AQ_NIC_RATE_2G5);
+ link_options->rate_N2P5G = link_options->rate_2P5G;
+ link_options->rate_1G = !!(speed & AQ_NIC_RATE_1G);
+ link_options->rate_100M = !!(speed & AQ_NIC_RATE_100M);
+ link_options->rate_10M = !!(speed & AQ_NIC_RATE_10M);
+}
+
+static int aq_a2_fw_set_link_speed(struct aq_hw_s *self, u32 speed)
+{
+ struct link_options_s link_options;
+
+ hw_atl2_shared_buffer_get(self, link_options, link_options);
+ link_options.link_up = 1U;
+ a2_link_speed_mask2fw(speed, &link_options);
+ hw_atl2_shared_buffer_write(self, link_options, link_options);
+
+ return hw_atl2_shared_buffer_finish_ack(self);
+}
+
+static int aq_a2_fw_set_state(struct aq_hw_s *self,
+ enum hal_atl_utils_fw_state_e state)
+{
+ struct link_options_s link_options;
+
+ hw_atl2_shared_buffer_get(self, link_options, link_options);
+
+ switch (state) {
+ case MPI_INIT:
+ link_options.link_up = 1U;
+ break;
+ case MPI_DEINIT:
+ link_options.link_up = 0U;
+ break;
+ case MPI_RESET:
+ case MPI_POWER:
+ /* No actions */
+ break;
+ }
+
+ hw_atl2_shared_buffer_write(self, link_options, link_options);
+
+ return hw_atl2_shared_buffer_finish_ack(self);
+}
+
+static int aq_a2_fw_update_link_status(struct aq_hw_s *self)
+{
+ struct link_status_s link_status;
+
+ hw_atl2_shared_buffer_read(self, link_status, link_status);
+
+ switch (link_status.link_rate) {
+ case AQ_A2_FW_LINK_RATE_10G:
+ self->aq_link_status.mbps = 10000;
+ break;
+ case AQ_A2_FW_LINK_RATE_5G:
+ self->aq_link_status.mbps = 5000;
+ break;
+ case AQ_A2_FW_LINK_RATE_2G5:
+ self->aq_link_status.mbps = 2500;
+ break;
+ case AQ_A2_FW_LINK_RATE_1G:
+ self->aq_link_status.mbps = 1000;
+ break;
+ case AQ_A2_FW_LINK_RATE_100M:
+ self->aq_link_status.mbps = 100;
+ break;
+ case AQ_A2_FW_LINK_RATE_10M:
+ self->aq_link_status.mbps = 10;
+ break;
+ default:
+ self->aq_link_status.mbps = 0;
+ }
+
+ return 0;
+}
+
+static int aq_a2_fw_get_mac_permanent(struct aq_hw_s *self, u8 *mac)
+{
+ struct mac_address_aligned_s mac_address;
+
+ hw_atl2_shared_buffer_get(self, mac_address, mac_address);
+ ether_addr_copy(mac, (u8 *)mac_address.aligned.mac_address);
+
+ return 0;
+}
+
+static int aq_a2_fw_update_stats(struct aq_hw_s *self)
+{
+ struct hw_atl2_priv *priv = (struct hw_atl2_priv *)self->priv;
+ struct statistics_s stats;
+
+ hw_atl2_shared_buffer_read_safe(self, stats, &stats);
+
+#define AQ_SDELTA(_N_, _F_) (self->curr_stats._N_ += \
+ stats.msm._F_ - priv->last_stats.msm._F_)
+
+ if (self->aq_link_status.mbps) {
+ AQ_SDELTA(uprc, rx_unicast_frames);
+ AQ_SDELTA(mprc, rx_multicast_frames);
+ AQ_SDELTA(bprc, rx_broadcast_frames);
+ AQ_SDELTA(erpr, rx_error_frames);
+
+ AQ_SDELTA(uptc, tx_unicast_frames);
+ AQ_SDELTA(mptc, tx_multicast_frames);
+ AQ_SDELTA(bptc, tx_broadcast_frames);
+ AQ_SDELTA(erpt, tx_errors);
+
+ AQ_SDELTA(ubrc, rx_unicast_octets);
+ AQ_SDELTA(ubtc, tx_unicast_octets);
+ AQ_SDELTA(mbrc, rx_multicast_octets);
+ AQ_SDELTA(mbtc, tx_multicast_octets);
+ AQ_SDELTA(bbrc, rx_broadcast_octets);
+ AQ_SDELTA(bbtc, tx_broadcast_octets);
+ }
+#undef AQ_SDELTA
+ self->curr_stats.dma_pkt_rc =
+ hw_atl_stats_rx_dma_good_pkt_counter_get(self);
+ self->curr_stats.dma_pkt_tc =
+ hw_atl_stats_tx_dma_good_pkt_counter_get(self);
+ self->curr_stats.dma_oct_rc =
+ hw_atl_stats_rx_dma_good_octet_counter_get(self);
+ self->curr_stats.dma_oct_tc =
+ hw_atl_stats_tx_dma_good_octet_counter_get(self);
+ self->curr_stats.dpc = hw_atl_rpb_rx_dma_drop_pkt_cnt_get(self);
+
+ memcpy(&priv->last_stats, &stats, sizeof(stats));
+
+ return 0;
+}
+
+static int aq_a2_fw_renegotiate(struct aq_hw_s *self)
+{
+ struct link_options_s link_options;
+ int err;
+
+ hw_atl2_shared_buffer_get(self, link_options, link_options);
+ link_options.link_renegotiate = 1U;
+ hw_atl2_shared_buffer_write(self, link_options, link_options);
+
+ err = hw_atl2_shared_buffer_finish_ack(self);
+
+ /* We should put renegotiate status back to zero
+ * after command completes
+ */
+ link_options.link_renegotiate = 0U;
+ hw_atl2_shared_buffer_write(self, link_options, link_options);
+
+ return err;
+}
+
+u32 hw_atl2_utils_get_fw_version(struct aq_hw_s *self)
+{
+ struct version_s version;
+
+ hw_atl2_shared_buffer_read_safe(self, version, &version);
+
+ /* A2 FW version is stored in reverse order */
+ return version.mac.major << 24 |
+ version.mac.minor << 16 |
+ version.mac.build;
+}
+
+int hw_atl2_utils_get_action_resolve_table_caps(struct aq_hw_s *self,
+ u8 *base_index, u8 *count)
+{
+ struct filter_caps_s filter_caps;
+ int err;
+
+ err = hw_atl2_shared_buffer_read_safe(self, filter_caps, &filter_caps);
+ if (err)
+ return err;
+
+ *base_index = filter_caps.rslv_tbl_base_index;
+ *count = filter_caps.rslv_tbl_count;
+ return 0;
+}
+
+const struct aq_fw_ops aq_a2_fw_ops = {
+ .init = aq_a2_fw_init,
+ .deinit = aq_a2_fw_deinit,
+ .reset = NULL,
+ .renegotiate = aq_a2_fw_renegotiate,
+ .get_mac_permanent = aq_a2_fw_get_mac_permanent,
+ .set_link_speed = aq_a2_fw_set_link_speed,
+ .set_state = aq_a2_fw_set_state,
+ .update_link_status = aq_a2_fw_update_link_status,
+ .update_stats = aq_a2_fw_update_stats,
+};
diff --git a/drivers/net/ethernet/aquantia/atlantic/macsec/macsec_api.c b/drivers/net/ethernet/aquantia/atlantic/macsec/macsec_api.c
index fbe9d88b13c7..36c7cf05630a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/macsec/macsec_api.c
+++ b/drivers/net/ethernet/aquantia/atlantic/macsec/macsec_api.c
@@ -846,8 +846,7 @@ static int get_ingress_sakey_record(struct aq_hw_s *hw,
rec->key[7] = packed_record[14];
rec->key[7] |= packed_record[15] << 16;
- rec->key_len = (rec->key_len & 0xFFFFFFFC) |
- (packed_record[16] & 0x3);
+ rec->key_len = packed_record[16] & 0x3;
return 0;
}
@@ -1158,6 +1157,7 @@ static int set_egress_ctlf_record(struct aq_hw_s *hw,
packed_record[0] = rec->sa_da[0] & 0xFFFF;
packed_record[1] = (rec->sa_da[0] >> 16) & 0xFFFF;
+
packed_record[2] = rec->sa_da[1] & 0xFFFF;
packed_record[3] = rec->eth_type & 0xFFFF;
@@ -1552,7 +1552,7 @@ static int set_egress_sc_record(struct aq_hw_s *hw,
packed_record[5] |= (rec->sak_len & 0x3) << 4;
- packed_record[7] |= (rec->valid & 0x1) << 15;
+ packed_record[7] = (rec->valid & 0x1) << 15;
return set_raw_egress_record(hw, packed_record, 8, 2,
ROWOFFSET_EGRESSSCRECORD + table_index);
diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index 02b7705393ca..112edbd30823 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -871,13 +871,40 @@ static void ag71xx_mac_validate(struct phylink_config *config,
unsigned long *supported,
struct phylink_link_state *state)
{
+ struct ag71xx *ag = netdev_priv(to_net_dev(config->dev));
__ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
- if (state->interface != PHY_INTERFACE_MODE_NA &&
- state->interface != PHY_INTERFACE_MODE_GMII &&
- state->interface != PHY_INTERFACE_MODE_MII) {
- bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
- return;
+ switch (state->interface) {
+ case PHY_INTERFACE_MODE_NA:
+ break;
+ case PHY_INTERFACE_MODE_MII:
+ if ((ag71xx_is(ag, AR9330) && ag->mac_idx == 0) ||
+ ag71xx_is(ag, AR9340) ||
+ ag71xx_is(ag, QCA9530) ||
+ (ag71xx_is(ag, QCA9550) && ag->mac_idx == 1))
+ break;
+ goto unsupported;
+ case PHY_INTERFACE_MODE_GMII:
+ if ((ag71xx_is(ag, AR9330) && ag->mac_idx == 1) ||
+ (ag71xx_is(ag, AR9340) && ag->mac_idx == 1) ||
+ (ag71xx_is(ag, QCA9530) && ag->mac_idx == 1))
+ break;
+ goto unsupported;
+ case PHY_INTERFACE_MODE_SGMII:
+ if (ag71xx_is(ag, QCA9550) && ag->mac_idx == 0)
+ break;
+ goto unsupported;
+ case PHY_INTERFACE_MODE_RMII:
+ if (ag71xx_is(ag, AR9340) && ag->mac_idx == 0)
+ break;
+ goto unsupported;
+ case PHY_INTERFACE_MODE_RGMII:
+ if ((ag71xx_is(ag, AR9340) && ag->mac_idx == 0) ||
+ (ag71xx_is(ag, QCA9550) && ag->mac_idx == 1))
+ break;
+ goto unsupported;
+ default:
+ goto unsupported;
}
phylink_set(mask, MII);
@@ -889,6 +916,8 @@ static void ag71xx_mac_validate(struct phylink_config *config,
phylink_set(mask, 100baseT_Full);
if (state->interface == PHY_INTERFACE_MODE_NA ||
+ state->interface == PHY_INTERFACE_MODE_SGMII ||
+ state->interface == PHY_INTERFACE_MODE_RGMII ||
state->interface == PHY_INTERFACE_MODE_GMII) {
phylink_set(mask, 1000baseT_Full);
phylink_set(mask, 1000baseX_Full);
@@ -898,6 +927,10 @@ static void ag71xx_mac_validate(struct phylink_config *config,
__ETHTOOL_LINK_MODE_MASK_NBITS);
bitmap_and(state->advertising, state->advertising, mask,
__ETHTOOL_LINK_MODE_MASK_NBITS);
+
+ return;
+unsupported:
+ bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
}
static void ag71xx_mac_pcs_get_state(struct phylink_config *config,
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
index 00bd7bd55794..decab9a8e4a8 100644
--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
@@ -1186,7 +1186,7 @@ static void atl1c_start_mac(struct atl1c_adapter *adapter)
struct atl1c_hw *hw = &adapter->hw;
u32 mac, txq, rxq;
- hw->mac_duplex = adapter->link_duplex == FULL_DUPLEX ? true : false;
+ hw->mac_duplex = adapter->link_duplex == FULL_DUPLEX;
hw->mac_speed = adapter->link_speed == SPEED_1000 ?
atl1c_mac_speed_1000 : atl1c_mac_speed_10_100;
@@ -2449,12 +2449,6 @@ static int atl1c_resume(struct device *dev)
atl1c_reset_mac(&adapter->hw);
atl1c_phy_init(&adapter->hw);
-#if 0
- AT_READ_REG(&adapter->hw, REG_PM_CTRLSTAT, &pm_data);
- pm_data &= ~PM_CTRLSTAT_PME_EN;
- AT_WRITE_REG(&adapter->hw, REG_PM_CTRLSTAT, pm_data);
-#endif
-
netif_device_attach(netdev);
if (netif_running(netdev))
atl1c_up(adapter);
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 271e7034fa70..b35fcfcd692d 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -1042,7 +1042,7 @@ static s32 atl1_setup_ring_resources(struct atl1_adapter *adapter)
* each ring/block may need up to 8 bytes for alignment, hence the
* additional 40 bytes tacked onto the end.
*/
- ring_header->size = size =
+ ring_header->size =
sizeof(struct tx_packet_desc) * tpd_ring->count
+ sizeof(struct rx_free_desc) * rfd_ring->count
+ sizeof(struct rx_return_desc) * rrd_ring->count
diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
index 53055ce5dfd6..2a69c0d06f3c 100644
--- a/drivers/net/ethernet/broadcom/Kconfig
+++ b/drivers/net/ethernet/broadcom/Kconfig
@@ -69,6 +69,7 @@ config BCMGENET
select BCM7XXX_PHY
select MDIO_BCM_UNIMAC
select DIMLIB
+ select BROADCOM_PHY if ARCH_BCM2835
help
This driver supports the built-in Ethernet MACs found in the
Broadcom BCM7xxx Set Top Box family chipset.
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
index af7ce5c5488c..b25356e21a1e 100644
--- a/drivers/net/ethernet/broadcom/bcmsysport.c
+++ b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -664,7 +664,8 @@ static struct sk_buff *bcm_sysport_rx_refill(struct bcm_sysport_priv *priv,
dma_addr_t mapping;
/* Allocate a new SKB for a new packet */
- skb = netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH);
+ skb = __netdev_alloc_skb(priv->netdev, RX_BUF_LENGTH,
+ GFP_ATOMIC | __GFP_NOWARN);
if (!skb) {
priv->mib.alloc_rx_buff_failed++;
netif_err(priv, rx_err, ndev, "SKB alloc failed\n");
@@ -2475,7 +2476,6 @@ static int bcm_sysport_probe(struct platform_device *pdev)
priv->wol_irq = platform_get_irq(pdev, 1);
}
if (priv->irq0 <= 0 || (priv->irq1 <= 0 && !priv->is_lite)) {
- dev_err(&pdev->dev, "invalid interrupts\n");
ret = -EINVAL;
goto err_free_netdev;
}
diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c
index c46c1b1416f7..6795b6d95f54 100644
--- a/drivers/net/ethernet/broadcom/bgmac-platform.c
+++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
@@ -202,13 +202,8 @@ static int bgmac_probe(struct platform_device *pdev)
if (bgmac->irq < 0)
return bgmac->irq;
- regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "amac_base");
- if (!regs) {
- dev_err(&pdev->dev, "Unable to obtain base resource\n");
- return -EINVAL;
- }
-
- bgmac->plat.base = devm_ioremap_resource(&pdev->dev, regs);
+ bgmac->plat.base =
+ devm_platform_ioremap_resource_byname(pdev, "amac_base");
if (IS_ERR(bgmac->plat.base))
return PTR_ERR(bgmac->plat.base);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
index 2c6ba046d2a8..17ae6df90723 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
@@ -1145,7 +1145,7 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
break;
}
}
- if (false == pg_found) {
+ if (!pg_found) {
data[help_data->num_of_pg].pg = add_pg;
data[help_data->num_of_pg].pg_priority =
(1 << ttp[add_traf_type]);
@@ -1155,7 +1155,7 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp,
}
DP(BNX2X_MSG_DCB,
"add_traf_type %d pg_found %s num_of_pg %d\n",
- add_traf_type, (false == pg_found) ? "NO" : "YES",
+ add_traf_type, !pg_found ? "NO" : "YES",
help_data->num_of_pg);
}
}
@@ -1544,8 +1544,7 @@ static void bnx2x_dcbx_2cos_limit_cee_three_pg_to_cos_params(
if (pg_entry < DCBX_MAX_NUM_PG_BW_ENTRIES) {
entry = 0;
- if (i == (num_of_pri-1) &&
- false == b_found_strict)
+ if (i == (num_of_pri-1) && !b_found_strict)
/* last entry will be handled separately
* If no priority is strict than last
* entry goes to last queue.
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 517caedc0a87..1426c691c7c4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -3085,6 +3085,7 @@ static int bnx2x_bsc_read(struct link_params *params,
u8 xfer_cnt,
u32 *data_array)
{
+ u64 t0, delta;
u32 val, i;
int rc = 0;
@@ -3114,17 +3115,18 @@ static int bnx2x_bsc_read(struct link_params *params,
REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
/* Poll for completion */
- i = 0;
+ t0 = ktime_get_ns();
val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
- udelay(10);
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- if (i++ > 1000) {
- DP(NETIF_MSG_LINK, "wr 0 byte timed out after %d try\n",
- i);
+ delta = ktime_get_ns() - t0;
+ if (delta > 10 * NSEC_PER_MSEC) {
+ DP(NETIF_MSG_LINK, "wr 0 byte timed out after %Lu ns\n",
+ delta);
rc = -EFAULT;
break;
}
+ usleep_range(10, 20);
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
}
if (rc == -EFAULT)
return rc;
@@ -3138,16 +3140,18 @@ static int bnx2x_bsc_read(struct link_params *params,
REG_WR(bp, MCP_REG_MCPR_IMC_COMMAND, val);
/* Poll for completion */
- i = 0;
+ t0 = ktime_get_ns();
val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
while (((val >> MCPR_IMC_COMMAND_IMC_STATUS_BITSHIFT) & 0x3) != 1) {
- udelay(10);
- val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
- if (i++ > 1000) {
- DP(NETIF_MSG_LINK, "rd op timed out after %d try\n", i);
+ delta = ktime_get_ns() - t0;
+ if (delta > 10 * NSEC_PER_MSEC) {
+ DP(NETIF_MSG_LINK, "rd op timed out after %Lu ns\n",
+ delta);
rc = -EFAULT;
break;
}
+ usleep_range(10, 20);
+ val = REG_RD(bp, MCP_REG_MCPR_IMC_COMMAND);
}
if (rc == -EFAULT)
return rc;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 5097a44686b3..b4476f44e386 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -331,27 +331,6 @@ bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
BP_VFDB(bp)->vf_sbs_pool++;
}
-static inline void bnx2x_vf_vlan_credit(struct bnx2x *bp,
- struct bnx2x_vlan_mac_obj *obj,
- atomic_t *counter)
-{
- struct list_head *pos;
- int read_lock;
- int cnt = 0;
-
- read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
- if (read_lock)
- DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
-
- list_for_each(pos, &obj->head)
- cnt++;
-
- if (!read_lock)
- bnx2x_vlan_mac_h_read_unlock(bp, obj);
-
- atomic_set(counter, cnt);
-}
-
static int bnx2x_vf_vlan_mac_clear(struct bnx2x *bp, struct bnx2x_virtf *vf,
int qid, bool drv_only, int type)
{
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index fead64f1ad90..c62589c266b2 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1766,7 +1766,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
rc = -EIO;
if (rx_err & RX_CMPL_ERRORS_BUFFER_ERROR_MASK) {
- bnapi->cp_ring.rx_buf_errors++;
+ bnapi->cp_ring.sw_stats.rx.rx_buf_errors++;
if (!(bp->flags & BNXT_FLAG_CHIP_P5)) {
netdev_warn(bp->dev, "RX buffer error %x\n",
rx_err);
@@ -1849,7 +1849,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
} else {
if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS) {
if (dev->features & NETIF_F_RXCSUM)
- bnapi->cp_ring.rx_l4_csum_errors++;
+ bnapi->cp_ring.sw_stats.rx.rx_l4_csum_errors++;
}
}
@@ -4176,14 +4176,12 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
int i, intr_process, rc, tmo_count;
struct input *req = msg;
u32 *data = msg;
- __le32 *resp_len;
u8 *valid;
u16 cp_ring_id, len = 0;
struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
u16 max_req_len = BNXT_HWRM_MAX_REQ_LEN;
struct hwrm_short_input short_input = {0};
u32 doorbell_offset = BNXT_GRCPF_REG_CHIMP_COMM_TRIGGER;
- u8 *resp_addr = (u8 *)bp->hwrm_cmd_resp_addr;
u32 bar_offset = BNXT_GRCPF_REG_CHIMP_COMM;
u16 dst = BNXT_HWRM_CHNL_CHIMP;
@@ -4201,7 +4199,6 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
bar_offset = BNXT_GRCPF_REG_KONG_COMM;
doorbell_offset = BNXT_GRCPF_REG_KONG_COMM_TRIGGER;
resp = bp->hwrm_cmd_kong_resp_addr;
- resp_addr = (u8 *)bp->hwrm_cmd_kong_resp_addr;
}
memset(resp, 0, PAGE_SIZE);
@@ -4270,7 +4267,6 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
tmo_count = HWRM_SHORT_TIMEOUT_COUNTER;
timeout = timeout - HWRM_SHORT_MIN_TIMEOUT * HWRM_SHORT_TIMEOUT_COUNTER;
tmo_count += DIV_ROUND_UP(timeout, HWRM_MIN_TIMEOUT);
- resp_len = (__le32 *)(resp_addr + HWRM_RESP_LEN_OFFSET);
if (intr_process) {
u16 seq_id = bp->hwrm_intr_seq_id;
@@ -4298,9 +4294,8 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
le16_to_cpu(req->req_type));
return -EBUSY;
}
- len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
- HWRM_RESP_LEN_SFT;
- valid = resp_addr + len - 1;
+ len = le16_to_cpu(resp->resp_len);
+ valid = ((u8 *)resp) + len - 1;
} else {
int j;
@@ -4311,8 +4306,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
*/
if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
return -EBUSY;
- len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
- HWRM_RESP_LEN_SFT;
+ len = le16_to_cpu(resp->resp_len);
if (len)
break;
/* on first few passes, just barely sleep */
@@ -4334,7 +4328,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
}
/* Last byte of resp contains valid bit */
- valid = resp_addr + len - 1;
+ valid = ((u8 *)resp) + len - 1;
for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) {
/* make sure we read from updated DMA memory */
dma_rmb();
@@ -5045,8 +5039,7 @@ int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
req.dflt_ring_grp = cpu_to_le16(bp->grp_info[grp_idx].fw_grp_id);
req.lb_rule = cpu_to_le16(0xffff);
vnic_mru:
- req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN +
- VLAN_HLEN);
+ req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + VLAN_HLEN);
req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
#ifdef CONFIG_BNXT_SRIOV
@@ -5356,9 +5349,9 @@ static void bnxt_set_db(struct bnxt *bp, struct bnxt_db_info *db, u32 ring_type,
{
if (bp->flags & BNXT_FLAG_CHIP_P5) {
if (BNXT_PF(bp))
- db->doorbell = bp->bar1 + 0x10000;
+ db->doorbell = bp->bar1 + DB_PF_OFFSET_P5;
else
- db->doorbell = bp->bar1 + 0x4000;
+ db->doorbell = bp->bar1 + DB_VF_OFFSET_P5;
switch (ring_type) {
case HWRM_RING_ALLOC_TX:
db->db_key64 = DBR_PATH_L2 | DBR_TYPE_SQ;
@@ -6365,6 +6358,7 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
{
struct hwrm_func_qcfg_input req = {0};
struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
+ u32 min_db_offset = 0;
u16 flags;
int rc;
@@ -6413,6 +6407,21 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
if (!bp->max_mtu)
bp->max_mtu = BNXT_MAX_MTU;
+ if (bp->db_size)
+ goto func_qcfg_exit;
+
+ if (bp->flags & BNXT_FLAG_CHIP_P5) {
+ if (BNXT_PF(bp))
+ min_db_offset = DB_PF_OFFSET_P5;
+ else
+ min_db_offset = DB_VF_OFFSET_P5;
+ }
+ bp->db_size = PAGE_ALIGN(le16_to_cpu(resp->l2_doorbell_bar_size_kb) *
+ 1024);
+ if (!bp->db_size || bp->db_size > pci_resource_len(bp->pdev, 2) ||
+ bp->db_size <= min_db_offset)
+ bp->db_size = pci_resource_len(bp->pdev, 2);
+
func_qcfg_exit:
mutex_unlock(&bp->hwrm_cmd_lock);
return rc;
@@ -6434,23 +6443,13 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
if (!rc) {
struct bnxt_ctx_pg_info *ctx_pg;
struct bnxt_ctx_mem_info *ctx;
- int i;
+ int i, tqm_rings;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx) {
rc = -ENOMEM;
goto ctx_err;
}
- ctx_pg = kzalloc(sizeof(*ctx_pg) * (bp->max_q + 1), GFP_KERNEL);
- if (!ctx_pg) {
- kfree(ctx);
- rc = -ENOMEM;
- goto ctx_err;
- }
- for (i = 0; i < bp->max_q + 1; i++, ctx_pg++)
- ctx->tqm_mem[i] = ctx_pg;
-
- bp->ctx = ctx;
ctx->qp_max_entries = le32_to_cpu(resp->qp_max_entries);
ctx->qp_min_qp1_entries = le16_to_cpu(resp->qp_min_qp1_entries);
ctx->qp_max_l2_entries = le16_to_cpu(resp->qp_max_l2_entries);
@@ -6483,6 +6482,20 @@ static int bnxt_hwrm_func_backing_store_qcaps(struct bnxt *bp)
ctx->tim_entry_size = le16_to_cpu(resp->tim_entry_size);
ctx->tim_max_entries = le32_to_cpu(resp->tim_max_entries);
ctx->ctx_kind_initializer = resp->ctx_kind_initializer;
+ ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count;
+ if (!ctx->tqm_fp_rings_count)
+ ctx->tqm_fp_rings_count = bp->max_q;
+
+ tqm_rings = ctx->tqm_fp_rings_count + 1;
+ ctx_pg = kcalloc(tqm_rings, sizeof(*ctx_pg), GFP_KERNEL);
+ if (!ctx_pg) {
+ kfree(ctx);
+ rc = -ENOMEM;
+ goto ctx_err;
+ }
+ for (i = 0; i < tqm_rings; i++, ctx_pg++)
+ ctx->tqm_mem[i] = ctx_pg;
+ bp->ctx = ctx;
} else {
rc = 0;
}
@@ -6642,7 +6655,7 @@ static int bnxt_alloc_ctx_pg_tbls(struct bnxt *bp,
int rc;
if (!mem_size)
- return 0;
+ return -EINVAL;
ctx_pg->nr_pages = DIV_ROUND_UP(mem_size, BNXT_PAGE_SIZE);
if (ctx_pg->nr_pages > MAX_CTX_TOTAL_PAGES) {
@@ -6735,7 +6748,7 @@ static void bnxt_free_ctx_mem(struct bnxt *bp)
return;
if (ctx->tqm_mem[0]) {
- for (i = 0; i < bp->max_q + 1; i++)
+ for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++)
bnxt_free_ctx_pg_tbls(bp, ctx->tqm_mem[i]);
kfree(ctx->tqm_mem[0]);
ctx->tqm_mem[0] = NULL;
@@ -6756,6 +6769,7 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
struct bnxt_ctx_pg_info *ctx_pg;
struct bnxt_ctx_mem_info *ctx;
u32 mem_size, ena, entries;
+ u32 entries_sp, min;
u32 num_mr, num_ah;
u32 extra_srqs = 0;
u32 extra_qps = 0;
@@ -6845,14 +6859,17 @@ static int bnxt_alloc_ctx_mem(struct bnxt *bp)
ena |= FUNC_BACKING_STORE_CFG_REQ_ENABLES_TIM;
skip_rdma:
- entries = ctx->qp_max_l2_entries + extra_qps;
+ min = ctx->tqm_min_entries_per_ring;
+ entries_sp = ctx->vnic_max_vnic_entries + ctx->qp_max_l2_entries +
+ 2 * (extra_qps + ctx->qp_min_qp1_entries) + min;
+ entries_sp = roundup(entries_sp, ctx->tqm_entries_multiple);
+ entries = ctx->qp_max_l2_entries + extra_qps + ctx->qp_min_qp1_entries;
entries = roundup(entries, ctx->tqm_entries_multiple);
- entries = clamp_t(u32, entries, ctx->tqm_min_entries_per_ring,
- ctx->tqm_max_entries_per_ring);
- for (i = 0; i < bp->max_q + 1; i++) {
+ entries = clamp_t(u32, entries, min, ctx->tqm_max_entries_per_ring);
+ for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) {
ctx_pg = ctx->tqm_mem[i];
- ctx_pg->entries = entries;
- mem_size = ctx->tqm_entry_size * entries;
+ ctx_pg->entries = i ? entries : entries_sp;
+ mem_size = ctx->tqm_entry_size * ctx_pg->entries;
rc = bnxt_alloc_ctx_pg_tbls(bp, ctx_pg, mem_size, 1, false);
if (rc)
return rc;
@@ -9310,7 +9327,7 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
bnxt_free_skbs(bp);
/* Save ring stats before shutdown */
- if (bp->bnapi)
+ if (bp->bnapi && irq_re_init)
bnxt_get_ring_stats(bp, &bp->net_stats_prev);
if (irq_re_init) {
bnxt_free_irq(bp);
@@ -9780,6 +9797,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
netdev_features_t features)
{
struct bnxt *bp = netdev_priv(dev);
+ netdev_features_t vlan_features;
if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
features &= ~NETIF_F_NTUPLE;
@@ -9796,12 +9814,14 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev,
/* Both CTAG and STAG VLAN accelaration on the RX side have to be
* turned on or off together.
*/
- if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) !=
- (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) {
+ vlan_features = features & (NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_STAG_RX);
+ if (vlan_features != (NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_STAG_RX)) {
if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_STAG_RX);
- else
+ else if (vlan_features)
features |= NETIF_F_HW_VLAN_CTAG_RX |
NETIF_F_HW_VLAN_STAG_RX;
}
@@ -10262,7 +10282,7 @@ static void bnxt_chk_missed_irq(struct bnxt *bp)
bnxt_dbg_hwrm_ring_info_get(bp,
DBG_RING_INFO_GET_REQ_RING_TYPE_L2_CMPL,
fw_ring_id, &val[0], &val[1]);
- cpr->missed_irqs++;
+ cpr->sw_stats.cmn.missed_irqs++;
}
}
}
@@ -10891,6 +10911,9 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->dev = dev;
bp->pdev = pdev;
+ /* Doorbell BAR bp->bar1 is mapped after bnxt_fw_init_one_p2()
+ * determines the BAR size.
+ */
bp->bar0 = pci_ioremap_bar(pdev, 0);
if (!bp->bar0) {
dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
@@ -10898,13 +10921,6 @@ static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
goto init_err_release;
}
- bp->bar1 = pci_ioremap_bar(pdev, 2);
- if (!bp->bar1) {
- dev_err(&pdev->dev, "Cannot map doorbell registers, aborting\n");
- rc = -ENOMEM;
- goto init_err_release;
- }
-
bp->bar2 = pci_ioremap_bar(pdev, 4);
if (!bp->bar2) {
dev_err(&pdev->dev, "Cannot map bar4 registers, aborting\n");
@@ -11826,6 +11842,16 @@ static int bnxt_pcie_dsn_get(struct bnxt *bp, u8 dsn[])
return 0;
}
+static int bnxt_map_db_bar(struct bnxt *bp)
+{
+ if (!bp->db_size)
+ return -ENODEV;
+ bp->bar1 = pci_iomap(bp->pdev, 2, bp->db_size);
+ if (!bp->bar1)
+ return -ENOMEM;
+ return 0;
+}
+
static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *dev;
@@ -11886,6 +11912,13 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
goto init_err_pci_clean;
+ rc = bnxt_map_db_bar(bp);
+ if (rc) {
+ dev_err(&pdev->dev, "Cannot map doorbell BAR rc = %d, aborting\n",
+ rc);
+ goto init_err_pci_clean;
+ }
+
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
NETIF_F_TSO | NETIF_F_TSO6 |
NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
@@ -12212,12 +12245,15 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
bnxt_ulp_start(bp, err);
}
- if (result != PCI_ERS_RESULT_RECOVERED && netif_running(netdev))
- dev_close(netdev);
+ if (result != PCI_ERS_RESULT_RECOVERED) {
+ if (netif_running(netdev))
+ dev_close(netdev);
+ pci_disable_device(pdev);
+ }
rtnl_unlock();
- return PCI_ERS_RESULT_RECOVERED;
+ return result;
}
/**
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index f2caa2756f5b..9e173d74b72a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -537,6 +537,9 @@ struct nqe_cn {
#define DBR_TYPE_NQ_ARM (0xbULL << 60)
#define DBR_TYPE_NULL (0xfULL << 60)
+#define DB_PF_OFFSET_P5 0x10000
+#define DB_VF_OFFSET_P5 0x4000
+
#define INVALID_HW_RING_ID ((u16)-1)
/* The hardware supports certain page sizes. Use the supported page sizes
@@ -656,11 +659,6 @@ struct nqe_cn {
#define HWRM_CMD_TIMEOUT (bp->hwrm_cmd_timeout)
#define HWRM_RESET_TIMEOUT ((HWRM_CMD_TIMEOUT) * 4)
#define HWRM_COREDUMP_TIMEOUT ((HWRM_CMD_TIMEOUT) * 12)
-#define HWRM_RESP_ERR_CODE_MASK 0xffff
-#define HWRM_RESP_LEN_OFFSET 4
-#define HWRM_RESP_LEN_MASK 0xffff0000
-#define HWRM_RESP_LEN_SFT 16
-#define HWRM_RESP_VALID_MASK 0xff000000
#define BNXT_HWRM_REQ_MAX_SIZE 128
#define BNXT_HWRM_REQS_PER_PAGE (BNXT_PAGE_SIZE / \
BNXT_HWRM_REQ_MAX_SIZE)
@@ -907,6 +905,20 @@ struct bnxt_rx_ring_info {
struct page_pool *page_pool;
};
+struct bnxt_rx_sw_stats {
+ u64 rx_l4_csum_errors;
+ u64 rx_buf_errors;
+};
+
+struct bnxt_cmn_sw_stats {
+ u64 missed_irqs;
+};
+
+struct bnxt_sw_stats {
+ struct bnxt_rx_sw_stats rx;
+ struct bnxt_cmn_sw_stats cmn;
+};
+
struct bnxt_cp_ring_info {
struct bnxt_napi *bnapi;
u32 cp_raw_cons;
@@ -934,9 +946,8 @@ struct bnxt_cp_ring_info {
struct ctx_hw_stats *hw_stats;
dma_addr_t hw_stats_map;
u32 hw_stats_ctx_id;
- u64 rx_l4_csum_errors;
- u64 rx_buf_errors;
- u64 missed_irqs;
+
+ struct bnxt_sw_stats sw_stats;
struct bnxt_ring_struct cp_ring_struct;
@@ -1066,7 +1077,6 @@ struct bnxt_vf_info {
#define BNXT_VF_LINK_FORCED 0x4
#define BNXT_VF_LINK_UP 0x8
#define BNXT_VF_TRUST 0x10
- u32 func_flags; /* func cfg flags */
u32 min_tx_rate;
u32 max_tx_rate;
void *hwrm_cmd_req_addr;
@@ -1357,6 +1367,7 @@ struct bnxt_ctx_mem_info {
u16 mrav_num_entries_units;
u8 tqm_entries_multiple;
u8 ctx_kind_initializer;
+ u8 tqm_fp_rings_count;
u32 flags;
#define BNXT_CTX_FLAG_INITED 0x01
@@ -1816,6 +1827,7 @@ struct bnxt {
/* ensure atomic 64-bit doorbell writes on 32-bit systems. */
spinlock_t db_lock;
#endif
+ int db_size;
#define BNXT_NTP_FLTR_MAX_FLTR 4096
#define BNXT_NTP_FLTR_HASH_SIZE 512
@@ -1858,7 +1870,6 @@ struct bnxt {
u8 dsn[8];
struct bnxt_tc_info *tc_info;
struct list_head tc_indr_block_list;
- struct notifier_block tc_netdev_nb;
struct dentry *debugfs_pdev;
struct device *hwmon_dev;
};
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
index 95f893f2a74d..d5c8bd49383a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
@@ -43,7 +43,7 @@ static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl)
#define BNXT_NVM_CFG_VER_BITS 24
#define BNXT_NVM_CFG_VER_BYTES 4
-#define BNXT_MSIX_VEC_MAX 1280
+#define BNXT_MSIX_VEC_MAX 512
#define BNXT_MSIX_VEC_MIN_MAX 128
enum bnxt_nvm_dir_type {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 34046a6286e8..6b88143af5ea 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -137,7 +137,7 @@ reset_coalesce:
return rc;
}
-static const char * const bnxt_ring_stats_str[] = {
+static const char * const bnxt_ring_rx_stats_str[] = {
"rx_ucast_packets",
"rx_mcast_packets",
"rx_bcast_packets",
@@ -146,6 +146,9 @@ static const char * const bnxt_ring_stats_str[] = {
"rx_ucast_bytes",
"rx_mcast_bytes",
"rx_bcast_bytes",
+};
+
+static const char * const bnxt_ring_tx_stats_str[] = {
"tx_ucast_packets",
"tx_mcast_packets",
"tx_bcast_packets",
@@ -171,9 +174,12 @@ static const char * const bnxt_ring_tpa2_stats_str[] = {
"rx_tpa_errors",
};
-static const char * const bnxt_ring_sw_stats_str[] = {
+static const char * const bnxt_rx_sw_stats_str[] = {
"rx_l4_csum_errors",
"rx_buf_errors",
+};
+
+static const char * const bnxt_cmn_sw_stats_str[] = {
"missed_irqs",
};
@@ -303,6 +309,11 @@ static struct {
{0, "tx_total_discard_pkts"},
};
+#define NUM_RING_RX_SW_STATS ARRAY_SIZE(bnxt_rx_sw_stats_str)
+#define NUM_RING_CMN_SW_STATS ARRAY_SIZE(bnxt_cmn_sw_stats_str)
+#define NUM_RING_RX_HW_STATS ARRAY_SIZE(bnxt_ring_rx_stats_str)
+#define NUM_RING_TX_HW_STATS ARRAY_SIZE(bnxt_ring_tx_stats_str)
+
static const struct {
long offset;
char string[ETH_GSTRING_LEN];
@@ -482,12 +493,21 @@ static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
static int bnxt_get_num_ring_stats(struct bnxt *bp)
{
- int num_stats;
+ int rx, tx, cmn;
+ bool sh = false;
- num_stats = ARRAY_SIZE(bnxt_ring_stats_str) +
- ARRAY_SIZE(bnxt_ring_sw_stats_str) +
- bnxt_get_num_tpa_ring_stats(bp);
- return num_stats * bp->cp_nr_rings;
+ if (bp->flags & BNXT_FLAG_SHARED_RINGS)
+ sh = true;
+
+ rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
+ bnxt_get_num_tpa_ring_stats(bp);
+ tx = NUM_RING_TX_HW_STATS;
+ cmn = NUM_RING_CMN_SW_STATS;
+ if (sh)
+ return (rx + tx + cmn) * bp->cp_nr_rings;
+ else
+ return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
+ cmn * bp->cp_nr_rings;
}
static int bnxt_get_num_stats(struct bnxt *bp)
@@ -528,13 +548,29 @@ static int bnxt_get_sset_count(struct net_device *dev, int sset)
}
}
+static bool is_rx_ring(struct bnxt *bp, int ring_num)
+{
+ return ring_num < bp->rx_nr_rings;
+}
+
+static bool is_tx_ring(struct bnxt *bp, int ring_num)
+{
+ int tx_base = 0;
+
+ if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
+ tx_base = bp->rx_nr_rings;
+
+ if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
+ return true;
+ return false;
+}
+
static void bnxt_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *buf)
{
u32 i, j = 0;
struct bnxt *bp = netdev_priv(dev);
- u32 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str) +
- bnxt_get_num_tpa_ring_stats(bp);
+ u32 tpa_stats;
if (!bp->bnapi) {
j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
@@ -544,17 +580,42 @@ static void bnxt_get_ethtool_stats(struct net_device *dev,
for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
bnxt_sw_func_stats[i].counter = 0;
+ tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
for (i = 0; i < bp->cp_nr_rings; i++) {
struct bnxt_napi *bnapi = bp->bnapi[i];
struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
__le64 *hw_stats = (__le64 *)cpr->hw_stats;
+ u64 *sw;
int k;
- for (k = 0; k < stat_fields; j++, k++)
+ if (is_rx_ring(bp, i)) {
+ for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
+ buf[j] = le64_to_cpu(hw_stats[k]);
+ }
+ if (is_tx_ring(bp, i)) {
+ k = NUM_RING_RX_HW_STATS;
+ for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
+ j++, k++)
+ buf[j] = le64_to_cpu(hw_stats[k]);
+ }
+ if (!tpa_stats || !is_rx_ring(bp, i))
+ goto skip_tpa_ring_stats;
+
+ k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
+ for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
+ tpa_stats; j++, k++)
buf[j] = le64_to_cpu(hw_stats[k]);
- buf[j++] = cpr->rx_l4_csum_errors;
- buf[j++] = cpr->rx_buf_errors;
- buf[j++] = cpr->missed_irqs;
+
+skip_tpa_ring_stats:
+ sw = (u64 *)&cpr->sw_stats.rx;
+ if (is_rx_ring(bp, i)) {
+ for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
+ buf[j] = sw[k];
+ }
+
+ sw = (u64 *)&cpr->sw_stats.cmn;
+ for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
+ buf[j] = sw[k];
bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
@@ -632,31 +693,48 @@ static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < bp->cp_nr_rings; i++) {
- num_str = ARRAY_SIZE(bnxt_ring_stats_str);
- for (j = 0; j < num_str; j++) {
- sprintf(buf, "[%d]: %s", i,
- bnxt_ring_stats_str[j]);
- buf += ETH_GSTRING_LEN;
+ if (is_rx_ring(bp, i)) {
+ num_str = NUM_RING_RX_HW_STATS;
+ for (j = 0; j < num_str; j++) {
+ sprintf(buf, "[%d]: %s", i,
+ bnxt_ring_rx_stats_str[j]);
+ buf += ETH_GSTRING_LEN;
+ }
}
- if (!BNXT_SUPPORTS_TPA(bp))
+ if (is_tx_ring(bp, i)) {
+ num_str = NUM_RING_TX_HW_STATS;
+ for (j = 0; j < num_str; j++) {
+ sprintf(buf, "[%d]: %s", i,
+ bnxt_ring_tx_stats_str[j]);
+ buf += ETH_GSTRING_LEN;
+ }
+ }
+ num_str = bnxt_get_num_tpa_ring_stats(bp);
+ if (!num_str || !is_rx_ring(bp, i))
goto skip_tpa_stats;
- if (bp->max_tpa_v2) {
- num_str = ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
+ if (bp->max_tpa_v2)
str = bnxt_ring_tpa2_stats_str;
- } else {
- num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str);
+ else
str = bnxt_ring_tpa_stats_str;
- }
+
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i, str[j]);
buf += ETH_GSTRING_LEN;
}
skip_tpa_stats:
- num_str = ARRAY_SIZE(bnxt_ring_sw_stats_str);
+ if (is_rx_ring(bp, i)) {
+ num_str = NUM_RING_RX_SW_STATS;
+ for (j = 0; j < num_str; j++) {
+ sprintf(buf, "[%d]: %s", i,
+ bnxt_rx_sw_stats_str[j]);
+ buf += ETH_GSTRING_LEN;
+ }
+ }
+ num_str = NUM_RING_CMN_SW_STATS;
for (j = 0; j < num_str; j++) {
sprintf(buf, "[%d]: %s", i,
- bnxt_ring_sw_stats_str[j]);
+ bnxt_cmn_sw_stats_str[j]);
buf += ETH_GSTRING_LEN;
}
}
@@ -1749,8 +1827,8 @@ static int bnxt_flash_nvram(struct net_device *dev,
return rc;
}
-static int bnxt_firmware_reset(struct net_device *dev,
- u16 dir_type)
+static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
+ u8 self_reset, u8 flags)
{
struct hwrm_fw_reset_input req = {0};
struct bnxt *bp = netdev_priv(dev);
@@ -1758,48 +1836,77 @@ static int bnxt_firmware_reset(struct net_device *dev,
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
+ req.embedded_proc_type = proc_type;
+ req.selfrst_status = self_reset;
+ req.flags = flags;
+
+ if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
+ rc = hwrm_send_message_silent(bp, &req, sizeof(req),
+ HWRM_CMD_TIMEOUT);
+ } else {
+ rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+ if (rc == -EACCES)
+ bnxt_print_admin_err(bp);
+ }
+ return rc;
+}
+
+static int bnxt_firmware_reset(struct net_device *dev,
+ enum bnxt_nvm_directory_type dir_type)
+{
+ u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
+ u8 proc_type, flags = 0;
+
/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
/* (e.g. when firmware isn't already running) */
switch (dir_type) {
case BNX_DIR_TYPE_CHIMP_PATCH:
case BNX_DIR_TYPE_BOOTCODE:
case BNX_DIR_TYPE_BOOTCODE_2:
- req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
+ proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
/* Self-reset ChiMP upon next PCIe reset: */
- req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
+ self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_APE_FW:
case BNX_DIR_TYPE_APE_PATCH:
- req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
+ proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
/* Self-reset APE upon next PCIe reset: */
- req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
+ self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
break;
case BNX_DIR_TYPE_KONG_FW:
case BNX_DIR_TYPE_KONG_PATCH:
- req.embedded_proc_type =
- FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
+ proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
break;
case BNX_DIR_TYPE_BONO_FW:
case BNX_DIR_TYPE_BONO_PATCH:
- req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
- break;
- case BNXT_FW_RESET_CHIP:
- req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
- req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
- if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
- req.flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
- break;
- case BNXT_FW_RESET_AP:
- req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
+ proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
break;
default:
return -EINVAL;
}
- rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
- if (rc == -EACCES)
- bnxt_print_admin_err(bp);
- return rc;
+ return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
+}
+
+static int bnxt_firmware_reset_chip(struct net_device *dev)
+{
+ struct bnxt *bp = netdev_priv(dev);
+ u8 flags = 0;
+
+ if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
+ flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
+
+ return bnxt_hwrm_firmware_reset(dev,
+ FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
+ FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
+ flags);
+}
+
+static int bnxt_firmware_reset_ap(struct net_device *dev)
+{
+ return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
+ FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
+ 0);
}
static int bnxt_flash_firmware(struct net_device *dev,
@@ -1988,9 +2095,9 @@ static int bnxt_flash_firmware_from_file(struct net_device *dev,
rc, filename);
return rc;
}
- if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
+ if (bnxt_dir_type_is_ape_bin_format(dir_type))
rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
- else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
+ else if (bnxt_dir_type_is_other_exec_format(dir_type))
rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
else
rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
@@ -2012,11 +2119,12 @@ int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
bnxt_hwrm_fw_set_time(bp);
- if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
- BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
- &index, &item_len, NULL) != 0) {
+ rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
+ BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
+ &index, &item_len, NULL);
+ if (rc) {
netdev_err(dev, "PKG update area not created in nvram\n");
- return -ENOBUFS;
+ return rc;
}
rc = request_firmware(&fw, filename, &dev->dev);
@@ -2377,7 +2485,7 @@ static int bnxt_set_eeprom(struct net_device *dev,
}
/* Create or re-write an NVM item: */
- if (bnxt_dir_type_is_executable(type) == true)
+ if (bnxt_dir_type_is_executable(type))
return -EOPNOTSUPP;
ext = eeprom->magic & 0xffff;
ordinal = eeprom->offset >> 16;
@@ -2975,7 +3083,11 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
static int bnxt_reset(struct net_device *dev, u32 *flags)
{
struct bnxt *bp = netdev_priv(dev);
- int rc = 0;
+ bool reload = false;
+ u32 req = *flags;
+
+ if (!req)
+ return -EINVAL;
if (!BNXT_PF(bp)) {
netdev_err(dev, "Reset is not supported from a VF\n");
@@ -2989,33 +3101,37 @@ static int bnxt_reset(struct net_device *dev, u32 *flags)
return -EBUSY;
}
- if (*flags == ETH_RESET_ALL) {
+ if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
/* This feature is not supported in older firmware versions */
- if (bp->hwrm_spec_code < 0x10803)
- return -EOPNOTSUPP;
-
- rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
- if (!rc) {
- netdev_info(dev, "Reset request successful.\n");
- if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
- netdev_info(dev, "Reload driver to complete reset\n");
- *flags = 0;
+ if (bp->hwrm_spec_code >= 0x10803) {
+ if (!bnxt_firmware_reset_chip(dev)) {
+ netdev_info(dev, "Firmware reset request successful.\n");
+ if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
+ reload = true;
+ *flags &= ~BNXT_FW_RESET_CHIP;
+ }
+ } else if (req == BNXT_FW_RESET_CHIP) {
+ return -EOPNOTSUPP; /* only request, fail hard */
}
- } else if (*flags == ETH_RESET_AP) {
- /* This feature is not supported in older firmware versions */
- if (bp->hwrm_spec_code < 0x10803)
- return -EOPNOTSUPP;
+ }
- rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
- if (!rc) {
- netdev_info(dev, "Reset Application Processor request successful.\n");
- *flags = 0;
+ if (req & BNXT_FW_RESET_AP) {
+ /* This feature is not supported in older firmware versions */
+ if (bp->hwrm_spec_code >= 0x10803) {
+ if (!bnxt_firmware_reset_ap(dev)) {
+ netdev_info(dev, "Reset application processor successful.\n");
+ reload = true;
+ *flags &= ~BNXT_FW_RESET_AP;
+ }
+ } else if (req == BNXT_FW_RESET_AP) {
+ return -EOPNOTSUPP; /* only request, fail hard */
}
- } else {
- rc = -EINVAL;
}
- return rc;
+ if (reload)
+ netdev_info(dev, "Reload driver to complete reset\n");
+
+ return 0;
}
static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
index 3576d951727b..ce7585ff9e4d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
@@ -77,8 +77,12 @@ struct hwrm_dbg_cmn_output {
#define BNXT_LED_DFLT_ENABLES(x) \
cpu_to_le32(BNXT_LED_DFLT_ENA << (BNXT_LED_DFLT_ENA_SHIFT * (x)))
-#define BNXT_FW_RESET_AP 0xfffe
-#define BNXT_FW_RESET_CHIP 0xffff
+#define BNXT_FW_RESET_AP (ETH_RESET_AP << ETH_RESET_SHARED_SHIFT)
+#define BNXT_FW_RESET_CHIP ((ETH_RESET_MGMT | ETH_RESET_IRQ | \
+ ETH_RESET_DMA | ETH_RESET_FILTER | \
+ ETH_RESET_OFFLOAD | ETH_RESET_MAC | \
+ ETH_RESET_PHY | ETH_RESET_RAM) \
+ << ETH_RESET_SHARED_SHIFT)
extern const struct ethtool_ops bnxt_ethtool_ops;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
index 7cf27dffadb5..7e9235c8d21e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_hsi.h
@@ -2,7 +2,7 @@
*
* Copyright (c) 2014-2016 Broadcom Corporation
* Copyright (c) 2014-2018 Broadcom Limited
- * Copyright (c) 2018-2019 Broadcom Inc.
+ * Copyright (c) 2018-2020 Broadcom Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -207,6 +207,8 @@ struct cmd_nums {
#define HWRM_PORT_PHY_MDIO_READ 0xb6UL
#define HWRM_PORT_PHY_MDIO_BUS_ACQUIRE 0xb7UL
#define HWRM_PORT_PHY_MDIO_BUS_RELEASE 0xb8UL
+ #define HWRM_PORT_QSTATS_EXT_PFC_WD 0xb9UL
+ #define HWRM_PORT_ECN_QSTATS 0xbaUL
#define HWRM_FW_RESET 0xc0UL
#define HWRM_FW_QSTATUS 0xc1UL
#define HWRM_FW_HEALTH_CHECK 0xc2UL
@@ -220,6 +222,8 @@ struct cmd_nums {
#define HWRM_FW_SET_STRUCTURED_DATA 0xcaUL
#define HWRM_FW_GET_STRUCTURED_DATA 0xcbUL
#define HWRM_FW_IPC_MAILBOX 0xccUL
+ #define HWRM_FW_ECN_CFG 0xcdUL
+ #define HWRM_FW_ECN_QCFG 0xceUL
#define HWRM_EXEC_FWD_RESP 0xd0UL
#define HWRM_REJECT_FWD_RESP 0xd1UL
#define HWRM_FWD_RESP 0xd2UL
@@ -233,6 +237,7 @@ struct cmd_nums {
#define HWRM_TEMP_MONITOR_QUERY 0xe0UL
#define HWRM_REG_POWER_QUERY 0xe1UL
#define HWRM_CORE_FREQUENCY_QUERY 0xe2UL
+ #define HWRM_REG_POWER_HISTOGRAM 0xe3UL
#define HWRM_WOL_FILTER_ALLOC 0xf0UL
#define HWRM_WOL_FILTER_FREE 0xf1UL
#define HWRM_WOL_FILTER_QCFG 0xf2UL
@@ -331,6 +336,7 @@ struct cmd_nums {
#define HWRM_FUNC_VF_BW_CFG 0x195UL
#define HWRM_FUNC_VF_BW_QCFG 0x196UL
#define HWRM_FUNC_HOST_PF_IDS_QUERY 0x197UL
+ #define HWRM_FUNC_QSTATS_EXT 0x198UL
#define HWRM_SELFTEST_QLIST 0x200UL
#define HWRM_SELFTEST_EXEC 0x201UL
#define HWRM_SELFTEST_IRQ 0x202UL
@@ -341,6 +347,31 @@ struct cmd_nums {
#define HWRM_MFG_OTP_CFG 0x207UL
#define HWRM_MFG_OTP_QCFG 0x208UL
#define HWRM_MFG_HDMA_TEST 0x209UL
+ #define HWRM_MFG_FRU_EEPROM_WRITE 0x20aUL
+ #define HWRM_MFG_FRU_EEPROM_READ 0x20bUL
+ #define HWRM_TF 0x2bcUL
+ #define HWRM_TF_VERSION_GET 0x2bdUL
+ #define HWRM_TF_SESSION_OPEN 0x2c6UL
+ #define HWRM_TF_SESSION_ATTACH 0x2c7UL
+ #define HWRM_TF_SESSION_CLOSE 0x2c8UL
+ #define HWRM_TF_SESSION_QCFG 0x2c9UL
+ #define HWRM_TF_SESSION_RESC_QCAPS 0x2caUL
+ #define HWRM_TF_SESSION_RESC_ALLOC 0x2cbUL
+ #define HWRM_TF_SESSION_RESC_FREE 0x2ccUL
+ #define HWRM_TF_SESSION_RESC_FLUSH 0x2cdUL
+ #define HWRM_TF_TBL_TYPE_GET 0x2d0UL
+ #define HWRM_TF_TBL_TYPE_SET 0x2d1UL
+ #define HWRM_TF_CTXT_MEM_RGTR 0x2daUL
+ #define HWRM_TF_CTXT_MEM_UNRGTR 0x2dbUL
+ #define HWRM_TF_EXT_EM_QCAPS 0x2dcUL
+ #define HWRM_TF_EXT_EM_OP 0x2ddUL
+ #define HWRM_TF_EXT_EM_CFG 0x2deUL
+ #define HWRM_TF_EXT_EM_QCFG 0x2dfUL
+ #define HWRM_TF_TCAM_SET 0x2eeUL
+ #define HWRM_TF_TCAM_GET 0x2efUL
+ #define HWRM_TF_TCAM_MOVE 0x2f0UL
+ #define HWRM_TF_TCAM_FREE 0x2f1UL
+ #define HWRM_SV 0x400UL
#define HWRM_DBG_READ_DIRECT 0xff10UL
#define HWRM_DBG_READ_INDIRECT 0xff11UL
#define HWRM_DBG_WRITE_DIRECT 0xff12UL
@@ -356,6 +387,10 @@ struct cmd_nums {
#define HWRM_DBG_RING_INFO_GET 0xff1cUL
#define HWRM_DBG_CRASHDUMP_HEADER 0xff1dUL
#define HWRM_DBG_CRASHDUMP_ERASE 0xff1eUL
+ #define HWRM_DBG_DRV_TRACE 0xff1fUL
+ #define HWRM_DBG_QCAPS 0xff20UL
+ #define HWRM_DBG_QCFG 0xff21UL
+ #define HWRM_DBG_CRASHDUMP_MEDIUM_CFG 0xff22UL
#define HWRM_NVM_FACTORY_DEFAULTS 0xffeeUL
#define HWRM_NVM_VALIDATE_OPTION 0xffefUL
#define HWRM_NVM_FLUSH 0xfff0UL
@@ -429,8 +464,8 @@ struct hwrm_err_output {
#define HWRM_VERSION_MAJOR 1
#define HWRM_VERSION_MINOR 10
#define HWRM_VERSION_UPDATE 1
-#define HWRM_VERSION_RSVD 12
-#define HWRM_VERSION_STR "1.10.1.12"
+#define HWRM_VERSION_RSVD 33
+#define HWRM_VERSION_STR "1.10.1.33"
/* hwrm_ver_get_input (size:192b/24B) */
struct hwrm_ver_get_input {
@@ -482,6 +517,7 @@ struct hwrm_ver_get_output {
#define VER_GET_RESP_DEV_CAPS_CFG_CFA_EEM_SUPPORTED 0x800UL
#define VER_GET_RESP_DEV_CAPS_CFG_CFA_ADV_FLOW_MGNT_SUPPORTED 0x1000UL
#define VER_GET_RESP_DEV_CAPS_CFG_CFA_TFLIB_SUPPORTED 0x2000UL
+ #define VER_GET_RESP_DEV_CAPS_CFG_CFA_TRUFLOW_SUPPORTED 0x4000UL
u8 roce_fw_maj_8b;
u8 roce_fw_min_8b;
u8 roce_fw_bld_8b;
@@ -647,6 +683,7 @@ struct hwrm_async_event_cmpl {
#define ASYNC_EVENT_CMPL_EVENT_ID_TFLIB_LINK_STATUS_CHANGE 0x3eUL
#define ASYNC_EVENT_CMPL_EVENT_ID_QUIESCE_DONE 0x3fUL
#define ASYNC_EVENT_CMPL_EVENT_ID_DEFERRED_RESPONSE 0x40UL
+ #define ASYNC_EVENT_CMPL_EVENT_ID_PFC_WATCHDOG_CFG_CHANGE 0x41UL
#define ASYNC_EVENT_CMPL_EVENT_ID_FW_TRACE_MSG 0xfeUL
#define ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR 0xffUL
#define ASYNC_EVENT_CMPL_EVENT_ID_LAST ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR
@@ -1089,7 +1126,7 @@ struct hwrm_func_qcaps_input {
u8 unused_0[6];
};
-/* hwrm_func_qcaps_output (size:640b/80B) */
+/* hwrm_func_qcaps_output (size:704b/88B) */
struct hwrm_func_qcaps_output {
__le16 error_code;
__le16 req_type;
@@ -1126,6 +1163,10 @@ struct hwrm_func_qcaps_output {
#define FUNC_QCAPS_RESP_FLAGS_ERR_RECOVER_RELOAD 0x2000000UL
#define FUNC_QCAPS_RESP_FLAGS_NOTIFY_VF_DEF_VNIC_CHNG_SUPPORTED 0x4000000UL
#define FUNC_QCAPS_RESP_FLAGS_VLAN_ACCELERATION_TX_DISABLED 0x8000000UL
+ #define FUNC_QCAPS_RESP_FLAGS_COREDUMP_CMD_SUPPORTED 0x10000000UL
+ #define FUNC_QCAPS_RESP_FLAGS_CRASHDUMP_CMD_SUPPORTED 0x20000000UL
+ #define FUNC_QCAPS_RESP_FLAGS_PFC_WD_STATS_SUPPORTED 0x40000000UL
+ #define FUNC_QCAPS_RESP_FLAGS_DBG_QCAPS_CMD_SUPPORTED 0x80000000UL
u8 mac_address[6];
__le16 max_rsscos_ctx;
__le16 max_cmpl_rings;
@@ -1146,7 +1187,12 @@ struct hwrm_func_qcaps_output {
__le32 max_flow_id;
__le32 max_hw_ring_grps;
__le16 max_sp_tx_rings;
- u8 unused_0;
+ u8 unused_0[2];
+ __le32 flags_ext;
+ #define FUNC_QCAPS_RESP_FLAGS_EXT_ECN_MARK_SUPPORTED 0x1UL
+ #define FUNC_QCAPS_RESP_FLAGS_EXT_ECN_STATS_SUPPORTED 0x2UL
+ #define FUNC_QCAPS_RESP_FLAGS_EXT_EXT_HW_STATS_SUPPORTED 0x4UL
+ u8 unused_1[3];
u8 valid;
};
@@ -1161,7 +1207,7 @@ struct hwrm_func_qcfg_input {
u8 unused_0[6];
};
-/* hwrm_func_qcfg_output (size:704b/88B) */
+/* hwrm_func_qcfg_output (size:768b/96B) */
struct hwrm_func_qcfg_output {
__le16 error_code;
__le16 req_type;
@@ -1267,7 +1313,11 @@ struct hwrm_func_qcfg_output {
u8 always_1;
__le32 reset_addr_poll;
__le16 legacy_l2_db_size_kb;
- u8 unused_2[1];
+ __le16 svif_info;
+ #define FUNC_QCFG_RESP_SVIF_INFO_SVIF_MASK 0x7fffUL
+ #define FUNC_QCFG_RESP_SVIF_INFO_SVIF_SFT 0
+ #define FUNC_QCFG_RESP_SVIF_INFO_SVIF_VALID 0x8000UL
+ u8 unused_2[7];
u8 valid;
};
@@ -1420,9 +1470,10 @@ struct hwrm_func_qstats_input {
__le64 resp_addr;
__le16 fid;
u8 flags;
- #define FUNC_QSTATS_REQ_FLAGS_UNUSED 0x0UL
- #define FUNC_QSTATS_REQ_FLAGS_ROCE_ONLY 0x1UL
- #define FUNC_QSTATS_REQ_FLAGS_LAST FUNC_QSTATS_REQ_FLAGS_ROCE_ONLY
+ #define FUNC_QSTATS_REQ_FLAGS_UNUSED 0x0UL
+ #define FUNC_QSTATS_REQ_FLAGS_ROCE_ONLY 0x1UL
+ #define FUNC_QSTATS_REQ_FLAGS_COUNTER_MASK 0x2UL
+ #define FUNC_QSTATS_REQ_FLAGS_LAST FUNC_QSTATS_REQ_FLAGS_COUNTER_MASK
u8 unused_0[5];
};
@@ -1456,6 +1507,53 @@ struct hwrm_func_qstats_output {
u8 valid;
};
+/* hwrm_func_qstats_ext_input (size:192b/24B) */
+struct hwrm_func_qstats_ext_input {
+ __le16 req_type;
+ __le16 cmpl_ring;
+ __le16 seq_id;
+ __le16 target_id;
+ __le64 resp_addr;
+ __le16 fid;
+ u8 flags;
+ #define FUNC_QSTATS_EXT_REQ_FLAGS_UNUSED 0x0UL
+ #define FUNC_QSTATS_EXT_REQ_FLAGS_ROCE_ONLY 0x1UL
+ #define FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK 0x2UL
+ #define FUNC_QSTATS_EXT_REQ_FLAGS_LAST FUNC_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK
+ u8 unused_0[5];
+};
+
+/* hwrm_func_qstats_ext_output (size:1472b/184B) */
+struct hwrm_func_qstats_ext_output {
+ __le16 error_code;
+ __le16 req_type;
+ __le16 seq_id;
+ __le16 resp_len;
+ __le64 rx_ucast_pkts;
+ __le64 rx_mcast_pkts;
+ __le64 rx_bcast_pkts;
+ __le64 rx_discard_pkts;
+ __le64 rx_drop_pkts;
+ __le64 rx_ucast_bytes;
+ __le64 rx_mcast_bytes;
+ __le64 rx_bcast_bytes;
+ __le64 tx_ucast_pkts;
+ __le64 tx_mcast_pkts;
+ __le64 tx_bcast_pkts;
+ __le64 tx_discard_pkts;
+ __le64 tx_drop_pkts;
+ __le64 tx_ucast_bytes;
+ __le64 tx_mcast_bytes;
+ __le64 tx_bcast_bytes;
+ __le64 rx_tpa_eligible_pkt;
+ __le64 rx_tpa_eligible_bytes;
+ __le64 rx_tpa_pkt;
+ __le64 rx_tpa_bytes;
+ __le64 rx_tpa_errors;
+ u8 unused_0[7];
+ u8 valid;
+};
+
/* hwrm_func_clr_stats_input (size:192b/24B) */
struct hwrm_func_clr_stats_input {
__le16 req_type;
@@ -1808,7 +1906,7 @@ struct hwrm_func_backing_store_qcaps_output {
u8 ctx_kind_initializer;
__le32 rsvd;
__le16 rsvd1;
- u8 rsvd2;
+ u8 tqm_fp_rings_count;
u8 valid;
};
@@ -2231,7 +2329,17 @@ struct hwrm_error_recovery_qcfg_output {
#define ERROR_RECOVERY_QCFG_RESP_RESET_REG_ADDR_SFT 2
__le32 reset_reg_val[16];
u8 delay_after_reset[16];
- u8 unused_1[7];
+ __le32 err_recovery_cnt_reg;
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_MASK 0x3UL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_SFT 0
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_PCIE_CFG 0x0UL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_GRC 0x1UL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_BAR0 0x2UL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_BAR1 0x3UL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_LAST ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SPACE_BAR1
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_MASK 0xfffffffcUL
+ #define ERROR_RECOVERY_QCFG_RESP_ERR_RECOVERY_CNT_REG_ADDR_SFT 2
+ u8 unused_1[3];
u8 valid;
};
@@ -2934,7 +3042,11 @@ struct hwrm_port_qstats_input {
__le16 target_id;
__le64 resp_addr;
__le16 port_id;
- u8 unused_0[6];
+ u8 flags;
+ #define PORT_QSTATS_REQ_FLAGS_UNUSED 0x0UL
+ #define PORT_QSTATS_REQ_FLAGS_COUNTER_MASK 0x1UL
+ #define PORT_QSTATS_REQ_FLAGS_LAST PORT_QSTATS_REQ_FLAGS_COUNTER_MASK
+ u8 unused_0[5];
__le64 tx_stat_host_addr;
__le64 rx_stat_host_addr;
};
@@ -3058,7 +3170,11 @@ struct hwrm_port_qstats_ext_input {
__le16 port_id;
__le16 tx_stat_size;
__le16 rx_stat_size;
- u8 unused_0[2];
+ u8 flags;
+ #define PORT_QSTATS_EXT_REQ_FLAGS_UNUSED 0x0UL
+ #define PORT_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK 0x1UL
+ #define PORT_QSTATS_EXT_REQ_FLAGS_LAST PORT_QSTATS_EXT_REQ_FLAGS_COUNTER_MASK
+ u8 unused_0;
__le64 tx_stat_host_addr;
__le64 rx_stat_host_addr;
};
@@ -3840,14 +3956,22 @@ struct hwrm_queue_pfcenable_qcfg_output {
__le16 seq_id;
__le16 resp_len;
__le32 flags;
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI0_PFC_ENABLED 0x1UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI1_PFC_ENABLED 0x2UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI2_PFC_ENABLED 0x4UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI3_PFC_ENABLED 0x8UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI4_PFC_ENABLED 0x10UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI5_PFC_ENABLED 0x20UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI6_PFC_ENABLED 0x40UL
- #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI7_PFC_ENABLED 0x80UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI0_PFC_ENABLED 0x1UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI1_PFC_ENABLED 0x2UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI2_PFC_ENABLED 0x4UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI3_PFC_ENABLED 0x8UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI4_PFC_ENABLED 0x10UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI5_PFC_ENABLED 0x20UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI6_PFC_ENABLED 0x40UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI7_PFC_ENABLED 0x80UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI0_PFC_WATCHDOG_ENABLED 0x100UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI1_PFC_WATCHDOG_ENABLED 0x200UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI2_PFC_WATCHDOG_ENABLED 0x400UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI3_PFC_WATCHDOG_ENABLED 0x800UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI4_PFC_WATCHDOG_ENABLED 0x1000UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI5_PFC_WATCHDOG_ENABLED 0x2000UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI6_PFC_WATCHDOG_ENABLED 0x4000UL
+ #define QUEUE_PFCENABLE_QCFG_RESP_FLAGS_PRI7_PFC_WATCHDOG_ENABLED 0x8000UL
u8 unused_0[3];
u8 valid;
};
@@ -3860,14 +3984,22 @@ struct hwrm_queue_pfcenable_cfg_input {
__le16 target_id;
__le64 resp_addr;
__le32 flags;
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI0_PFC_ENABLED 0x1UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI1_PFC_ENABLED 0x2UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI2_PFC_ENABLED 0x4UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI3_PFC_ENABLED 0x8UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI4_PFC_ENABLED 0x10UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI5_PFC_ENABLED 0x20UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI6_PFC_ENABLED 0x40UL
- #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI7_PFC_ENABLED 0x80UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI0_PFC_ENABLED 0x1UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI1_PFC_ENABLED 0x2UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI2_PFC_ENABLED 0x4UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI3_PFC_ENABLED 0x8UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI4_PFC_ENABLED 0x10UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI5_PFC_ENABLED 0x20UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI6_PFC_ENABLED 0x40UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI7_PFC_ENABLED 0x80UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI0_PFC_WATCHDOG_ENABLED 0x100UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI1_PFC_WATCHDOG_ENABLED 0x200UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI2_PFC_WATCHDOG_ENABLED 0x400UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI3_PFC_WATCHDOG_ENABLED 0x800UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI4_PFC_WATCHDOG_ENABLED 0x1000UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI5_PFC_WATCHDOG_ENABLED 0x2000UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI6_PFC_WATCHDOG_ENABLED 0x4000UL
+ #define QUEUE_PFCENABLE_CFG_REQ_FLAGS_PRI7_PFC_WATCHDOG_ENABLED 0x8000UL
__le16 port_id;
u8 unused_0[2];
};
@@ -5287,7 +5419,11 @@ struct hwrm_ring_cmpl_ring_qaggint_params_input {
__le16 target_id;
__le64 resp_addr;
__le16 ring_id;
- u8 unused_0[6];
+ __le16 flags;
+ #define RING_CMPL_RING_QAGGINT_PARAMS_REQ_FLAGS_UNUSED_0_MASK 0x3UL
+ #define RING_CMPL_RING_QAGGINT_PARAMS_REQ_FLAGS_UNUSED_0_SFT 0
+ #define RING_CMPL_RING_QAGGINT_PARAMS_REQ_FLAGS_IS_NQ 0x4UL
+ u8 unused_0[4];
};
/* hwrm_ring_cmpl_ring_qaggint_params_output (size:256b/32B) */
@@ -7618,7 +7754,9 @@ struct hwrm_nvm_modify_input {
__le64 resp_addr;
__le64 host_src_addr;
__le16 dir_idx;
- u8 unused_0[2];
+ __le16 flags;
+ #define NVM_MODIFY_REQ_FLAGS_BATCH_MODE 0x1UL
+ #define NVM_MODIFY_REQ_FLAGS_BATCH_LAST 0x2UL
__le32 offset;
__le32 len;
u8 unused_1[4];
@@ -8027,4 +8165,18 @@ struct hwrm_selftest_irq_output {
u8 valid;
};
+/* fw_status_reg (size:32b/4B) */
+struct fw_status_reg {
+ u32 fw_status;
+ #define FW_STATUS_REG_CODE_MASK 0xffffUL
+ #define FW_STATUS_REG_CODE_SFT 0
+ #define FW_STATUS_REG_CODE_READY 0x8000UL
+ #define FW_STATUS_REG_CODE_LAST FW_STATUS_REG_CODE_READY
+ #define FW_STATUS_REG_IMAGE_DEGRADED 0x10000UL
+ #define FW_STATUS_REG_RECOVERABLE 0x20000UL
+ #define FW_STATUS_REG_CRASHDUMP_ONGOING 0x40000UL
+ #define FW_STATUS_REG_CRASHDUMP_COMPLETE 0x80000UL
+ #define FW_STATUS_REG_SHUTDOWN 0x100000UL
+};
+
#endif /* _BNXT_HSI_H_ */
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 6ea3df6da18c..3a9a51f7063a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -85,11 +85,10 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
if (old_setting == setting)
return 0;
- func_flags = vf->func_flags;
if (setting)
- func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
+ func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_ENABLE;
else
- func_flags |= FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
+ func_flags = FUNC_CFG_REQ_FLAGS_SRC_MAC_ADDR_CHECK_DISABLE;
/*TODO: if the driver supports VLAN filter on guest VLAN,
* the spoof check should also include vlan anti-spoofing
*/
@@ -98,7 +97,6 @@ int bnxt_set_vf_spoofchk(struct net_device *dev, int vf_id, bool setting)
req.flags = cpu_to_le32(func_flags);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
if (!rc) {
- vf->func_flags = func_flags;
if (setting)
vf->flags |= BNXT_VF_SPOOFCHK;
else
@@ -228,7 +226,6 @@ int bnxt_set_vf_mac(struct net_device *dev, int vf_id, u8 *mac)
memcpy(vf->mac_addr, mac, ETH_ALEN);
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(vf->fw_fid);
- req.flags = cpu_to_le32(vf->func_flags);
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
memcpy(req.dflt_mac_addr, mac, ETH_ALEN);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
@@ -266,7 +263,6 @@ int bnxt_set_vf_vlan(struct net_device *dev, int vf_id, u16 vlan_id, u8 qos,
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(vf->fw_fid);
- req.flags = cpu_to_le32(vf->func_flags);
req.dflt_vlan = cpu_to_le16(vlan_tag);
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN);
rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
@@ -305,7 +301,6 @@ int bnxt_set_vf_bw(struct net_device *dev, int vf_id, int min_tx_rate,
return 0;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(vf->fw_fid);
- req.flags = cpu_to_le32(vf->func_flags);
req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW);
req.max_bw = cpu_to_le32(max_tx_rate);
req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW);
@@ -477,7 +472,6 @@ static void __bnxt_set_vf_params(struct bnxt *bp, int vf_id)
vf = &bp->pf.vf[vf_id];
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
req.fid = cpu_to_le16(vf->fw_fid);
- req.flags = cpu_to_le32(vf->func_flags);
if (is_valid_ether_addr(vf->mac_addr)) {
req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR);
@@ -651,7 +645,7 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs)
FUNC_CFG_REQ_ENABLES_NUM_VNICS |
FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS);
- mtu = bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
+ mtu = bp->dev->mtu + ETH_HLEN + VLAN_HLEN;
req.mru = cpu_to_le16(mtu);
req.mtu = cpu_to_le16(mtu);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 782ea0771221..0eef4f5e4a46 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -1939,53 +1939,25 @@ static int bnxt_tc_setup_indr_block(struct net_device *netdev, struct bnxt *bp,
return 0;
}
-static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv,
- enum tc_setup_type type, void *type_data)
-{
- switch (type) {
- case TC_SETUP_BLOCK:
- return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data);
- default:
- return -EOPNOTSUPP;
- }
-}
-
static bool bnxt_is_netdev_indr_offload(struct net_device *netdev)
{
return netif_is_vxlan(netdev);
}
-static int bnxt_tc_indr_block_event(struct notifier_block *nb,
- unsigned long event, void *ptr)
+static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv,
+ enum tc_setup_type type, void *type_data)
{
- struct net_device *netdev;
- struct bnxt *bp;
- int rc;
-
- netdev = netdev_notifier_info_to_dev(ptr);
if (!bnxt_is_netdev_indr_offload(netdev))
- return NOTIFY_OK;
-
- bp = container_of(nb, struct bnxt, tc_netdev_nb);
+ return -EOPNOTSUPP;
- switch (event) {
- case NETDEV_REGISTER:
- rc = __flow_indr_block_cb_register(netdev, bp,
- bnxt_tc_setup_indr_cb,
- bp);
- if (rc)
- netdev_info(bp->dev,
- "Failed to register indirect blk: dev: %s\n",
- netdev->name);
- break;
- case NETDEV_UNREGISTER:
- __flow_indr_block_cb_unregister(netdev,
- bnxt_tc_setup_indr_cb,
- bp);
+ switch (type) {
+ case TC_SETUP_BLOCK:
+ return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data);
+ default:
break;
}
- return NOTIFY_DONE;
+ return -EOPNOTSUPP;
}
static const struct rhashtable_params bnxt_tc_flow_ht_params = {
@@ -2074,8 +2046,8 @@ int bnxt_init_tc(struct bnxt *bp)
/* init indirect block notifications */
INIT_LIST_HEAD(&bp->tc_indr_block_list);
- bp->tc_netdev_nb.notifier_call = bnxt_tc_indr_block_event;
- rc = register_netdevice_notifier(&bp->tc_netdev_nb);
+
+ rc = flow_indr_dev_register(bnxt_tc_setup_indr_cb, bp);
if (!rc)
return 0;
@@ -2101,7 +2073,8 @@ void bnxt_shutdown_tc(struct bnxt *bp)
if (!bnxt_tc_flower_enabled(bp))
return;
- unregister_netdevice_notifier(&bp->tc_netdev_nb);
+ flow_indr_dev_unregister(bnxt_tc_setup_indr_cb, bp,
+ bnxt_tc_setup_indr_block_cb);
rhashtable_destroy(&tc_info->flow_table);
rhashtable_destroy(&tc_info->l2_table);
rhashtable_destroy(&tc_info->decap_l2_table);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index 4a316c4b3fa8..8c8368c2f335 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -104,7 +104,13 @@ static void bnxt_fill_msix_vecs(struct bnxt *bp, struct bnxt_msix_entry *ent)
for (i = 0; i < num_msix; i++) {
ent[i].vector = bp->irq_tbl[idx + i].vector;
ent[i].ring_idx = idx + i;
- ent[i].db_offset = (idx + i) * 0x80;
+ if (bp->flags & BNXT_FLAG_CHIP_P5) {
+ ent[i].db_offset = DB_PF_OFFSET_P5;
+ if (BNXT_VF(bp))
+ ent[i].db_offset = DB_VF_OFFSET_P5;
+ } else {
+ ent[i].db_offset = (idx + i) * 0x80;
+ }
}
}
@@ -475,6 +481,8 @@ struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev)
edev->flags |= BNXT_EN_FLAG_ROCEV2_CAP;
edev->net = dev;
edev->pdev = bp->pdev;
+ edev->l2_db_size = bp->db_size;
+ edev->l2_db_size_nc = bp->db_size;
bp->edev = edev;
}
return bp->edev;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
index 9895406b9830..6b4d2556a6df 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -67,6 +67,14 @@ struct bnxt_en_dev {
#define BNXT_EN_FLAG_ULP_STOPPED 0x8
const struct bnxt_en_ops *en_ops;
struct bnxt_ulp ulp_tbl[BNXT_MAX_ULP];
+ int l2_db_size; /* Doorbell BAR size in
+ * bytes mapped by L2
+ * driver.
+ */
+ int l2_db_size_nc; /* Doorbell BAR size in
+ * bytes mapped as non-
+ * cacheable.
+ */
};
struct bnxt_en_ops {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index c6f6f2033880..5e3b4a3b69ea 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
@@ -138,6 +138,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons,
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = *data_ptr + *len;
xdp.rxq = &rxr->xdp_rxq;
+ xdp.frame_sz = PAGE_SIZE; /* BNXT_RX_PAGE_MODE(bp) when XDP enabled */
orig_data = xdp.data;
rcu_read_lock();
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 61ab7d21f6bd..c5cca63b8571 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -1918,7 +1918,6 @@ static int cnic_bnx2x_iscsi_ofld1(struct cnic_dev *dev, struct kwqe *wqes[],
ret = cnic_alloc_bnx2x_conn_resc(dev, l5_cid);
if (ret) {
atomic_dec(&cp->iscsi_conn);
- ret = 0;
goto done;
}
ret = cnic_setup_bnx2x_ctx(dev, wqes, num);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index d975338bf78d..ff31da0ed846 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2,7 +2,7 @@
/*
* Broadcom GENET (Gigabit Ethernet) controller driver
*
- * Copyright (c) 2014-2019 Broadcom
+ * Copyright (c) 2014-2020 Broadcom
*/
#define pr_fmt(fmt) "bcmgenet: " fmt
@@ -23,11 +23,6 @@
#include <linux/dma-mapping.h>
#include <linux/pm.h>
#include <linux/clk.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/of_net.h>
-#include <linux/of_platform.h>
#include <net/arp.h>
#include <linux/mii.h>
@@ -70,6 +65,9 @@
#define GENET_RDMA_REG_OFF (priv->hw_params->rdma_offset + \
TOTAL_DESC * DMA_DESC_SIZE)
+/* Forward declarations */
+static void bcmgenet_set_rx_mode(struct net_device *dev);
+
static inline void bcmgenet_writel(u32 value, void __iomem *offset)
{
/* MIPS chips strapped for BE will automagically configure the
@@ -461,6 +459,384 @@ static inline void bcmgenet_rdma_ring_writel(struct bcmgenet_priv *priv,
genet_dma_ring_regs[r]);
}
+static bool bcmgenet_hfb_is_filter_enabled(struct bcmgenet_priv *priv,
+ u32 f_index)
+{
+ u32 offset;
+ u32 reg;
+
+ offset = HFB_FLT_ENABLE_V3PLUS + (f_index < 32) * sizeof(u32);
+ reg = bcmgenet_hfb_reg_readl(priv, offset);
+ return !!(reg & (1 << (f_index % 32)));
+}
+
+static void bcmgenet_hfb_enable_filter(struct bcmgenet_priv *priv, u32 f_index)
+{
+ u32 offset;
+ u32 reg;
+
+ offset = HFB_FLT_ENABLE_V3PLUS + (f_index < 32) * sizeof(u32);
+ reg = bcmgenet_hfb_reg_readl(priv, offset);
+ reg |= (1 << (f_index % 32));
+ bcmgenet_hfb_reg_writel(priv, reg, offset);
+ reg = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ reg |= RBUF_HFB_EN;
+ bcmgenet_hfb_reg_writel(priv, reg, HFB_CTRL);
+}
+
+static void bcmgenet_hfb_disable_filter(struct bcmgenet_priv *priv, u32 f_index)
+{
+ u32 offset, reg, reg1;
+
+ offset = HFB_FLT_ENABLE_V3PLUS;
+ reg = bcmgenet_hfb_reg_readl(priv, offset);
+ reg1 = bcmgenet_hfb_reg_readl(priv, offset + sizeof(u32));
+ if (f_index < 32) {
+ reg1 &= ~(1 << (f_index % 32));
+ bcmgenet_hfb_reg_writel(priv, reg1, offset + sizeof(u32));
+ } else {
+ reg &= ~(1 << (f_index % 32));
+ bcmgenet_hfb_reg_writel(priv, reg, offset);
+ }
+ if (!reg && !reg1) {
+ reg = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ reg &= ~RBUF_HFB_EN;
+ bcmgenet_hfb_reg_writel(priv, reg, HFB_CTRL);
+ }
+}
+
+static void bcmgenet_hfb_set_filter_rx_queue_mapping(struct bcmgenet_priv *priv,
+ u32 f_index, u32 rx_queue)
+{
+ u32 offset;
+ u32 reg;
+
+ offset = f_index / 8;
+ reg = bcmgenet_rdma_readl(priv, DMA_INDEX2RING_0 + offset);
+ reg &= ~(0xF << (4 * (f_index % 8)));
+ reg |= ((rx_queue & 0xF) << (4 * (f_index % 8)));
+ bcmgenet_rdma_writel(priv, reg, DMA_INDEX2RING_0 + offset);
+}
+
+static void bcmgenet_hfb_set_filter_length(struct bcmgenet_priv *priv,
+ u32 f_index, u32 f_length)
+{
+ u32 offset;
+ u32 reg;
+
+ offset = HFB_FLT_LEN_V3PLUS +
+ ((priv->hw_params->hfb_filter_cnt - 1 - f_index) / 4) *
+ sizeof(u32);
+ reg = bcmgenet_hfb_reg_readl(priv, offset);
+ reg &= ~(0xFF << (8 * (f_index % 4)));
+ reg |= ((f_length & 0xFF) << (8 * (f_index % 4)));
+ bcmgenet_hfb_reg_writel(priv, reg, offset);
+}
+
+static int bcmgenet_hfb_find_unused_filter(struct bcmgenet_priv *priv)
+{
+ u32 f_index;
+
+ /* First MAX_NUM_OF_FS_RULES are reserved for Rx NFC filters */
+ for (f_index = MAX_NUM_OF_FS_RULES;
+ f_index < priv->hw_params->hfb_filter_cnt; f_index++)
+ if (!bcmgenet_hfb_is_filter_enabled(priv, f_index))
+ return f_index;
+
+ return -ENOMEM;
+}
+
+static int bcmgenet_hfb_validate_mask(void *mask, size_t size)
+{
+ while (size) {
+ switch (*(unsigned char *)mask++) {
+ case 0x00:
+ case 0x0f:
+ case 0xf0:
+ case 0xff:
+ size--;
+ continue;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+#define VALIDATE_MASK(x) \
+ bcmgenet_hfb_validate_mask(&(x), sizeof(x))
+
+static int bcmgenet_hfb_insert_data(u32 *f, int offset,
+ void *val, void *mask, size_t size)
+{
+ int index;
+ u32 tmp;
+
+ index = offset / 2;
+ tmp = f[index];
+
+ while (size--) {
+ if (offset++ & 1) {
+ tmp &= ~0x300FF;
+ tmp |= (*(unsigned char *)val++);
+ switch ((*(unsigned char *)mask++)) {
+ case 0xFF:
+ tmp |= 0x30000;
+ break;
+ case 0xF0:
+ tmp |= 0x20000;
+ break;
+ case 0x0F:
+ tmp |= 0x10000;
+ break;
+ }
+ f[index++] = tmp;
+ if (size)
+ tmp = f[index];
+ } else {
+ tmp &= ~0xCFF00;
+ tmp |= (*(unsigned char *)val++) << 8;
+ switch ((*(unsigned char *)mask++)) {
+ case 0xFF:
+ tmp |= 0xC0000;
+ break;
+ case 0xF0:
+ tmp |= 0x80000;
+ break;
+ case 0x0F:
+ tmp |= 0x40000;
+ break;
+ }
+ if (!size)
+ f[index] = tmp;
+ }
+ }
+
+ return 0;
+}
+
+static void bcmgenet_hfb_set_filter(struct bcmgenet_priv *priv, u32 *f_data,
+ u32 f_length, u32 rx_queue, int f_index)
+{
+ u32 base = f_index * priv->hw_params->hfb_filter_size;
+ int i;
+
+ for (i = 0; i < f_length; i++)
+ bcmgenet_hfb_writel(priv, f_data[i], (base + i) * sizeof(u32));
+
+ bcmgenet_hfb_set_filter_length(priv, f_index, 2 * f_length);
+ bcmgenet_hfb_set_filter_rx_queue_mapping(priv, f_index, rx_queue);
+}
+
+static int bcmgenet_hfb_create_rxnfc_filter(struct bcmgenet_priv *priv,
+ struct bcmgenet_rxnfc_rule *rule)
+{
+ struct ethtool_rx_flow_spec *fs = &rule->fs;
+ int err = 0, offset = 0, f_length = 0;
+ u16 val_16, mask_16;
+ u8 val_8, mask_8;
+ size_t size;
+ u32 *f_data;
+
+ f_data = kcalloc(priv->hw_params->hfb_filter_size, sizeof(u32),
+ GFP_KERNEL);
+ if (!f_data)
+ return -ENOMEM;
+
+ if (fs->flow_type & FLOW_MAC_EXT) {
+ bcmgenet_hfb_insert_data(f_data, 0,
+ &fs->h_ext.h_dest, &fs->m_ext.h_dest,
+ sizeof(fs->h_ext.h_dest));
+ }
+
+ if (fs->flow_type & FLOW_EXT) {
+ if (fs->m_ext.vlan_etype ||
+ fs->m_ext.vlan_tci) {
+ bcmgenet_hfb_insert_data(f_data, 12,
+ &fs->h_ext.vlan_etype,
+ &fs->m_ext.vlan_etype,
+ sizeof(fs->h_ext.vlan_etype));
+ bcmgenet_hfb_insert_data(f_data, 14,
+ &fs->h_ext.vlan_tci,
+ &fs->m_ext.vlan_tci,
+ sizeof(fs->h_ext.vlan_tci));
+ offset += VLAN_HLEN;
+ f_length += DIV_ROUND_UP(VLAN_HLEN, 2);
+ }
+ }
+
+ switch (fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
+ case ETHER_FLOW:
+ f_length += DIV_ROUND_UP(ETH_HLEN, 2);
+ bcmgenet_hfb_insert_data(f_data, 0,
+ &fs->h_u.ether_spec.h_dest,
+ &fs->m_u.ether_spec.h_dest,
+ sizeof(fs->h_u.ether_spec.h_dest));
+ bcmgenet_hfb_insert_data(f_data, ETH_ALEN,
+ &fs->h_u.ether_spec.h_source,
+ &fs->m_u.ether_spec.h_source,
+ sizeof(fs->h_u.ether_spec.h_source));
+ bcmgenet_hfb_insert_data(f_data, (2 * ETH_ALEN) + offset,
+ &fs->h_u.ether_spec.h_proto,
+ &fs->m_u.ether_spec.h_proto,
+ sizeof(fs->h_u.ether_spec.h_proto));
+ break;
+ case IP_USER_FLOW:
+ f_length += DIV_ROUND_UP(ETH_HLEN + 20, 2);
+ /* Specify IP Ether Type */
+ val_16 = htons(ETH_P_IP);
+ mask_16 = 0xFFFF;
+ bcmgenet_hfb_insert_data(f_data, (2 * ETH_ALEN) + offset,
+ &val_16, &mask_16, sizeof(val_16));
+ bcmgenet_hfb_insert_data(f_data, 15 + offset,
+ &fs->h_u.usr_ip4_spec.tos,
+ &fs->m_u.usr_ip4_spec.tos,
+ sizeof(fs->h_u.usr_ip4_spec.tos));
+ bcmgenet_hfb_insert_data(f_data, 23 + offset,
+ &fs->h_u.usr_ip4_spec.proto,
+ &fs->m_u.usr_ip4_spec.proto,
+ sizeof(fs->h_u.usr_ip4_spec.proto));
+ bcmgenet_hfb_insert_data(f_data, 26 + offset,
+ &fs->h_u.usr_ip4_spec.ip4src,
+ &fs->m_u.usr_ip4_spec.ip4src,
+ sizeof(fs->h_u.usr_ip4_spec.ip4src));
+ bcmgenet_hfb_insert_data(f_data, 30 + offset,
+ &fs->h_u.usr_ip4_spec.ip4dst,
+ &fs->m_u.usr_ip4_spec.ip4dst,
+ sizeof(fs->h_u.usr_ip4_spec.ip4dst));
+ if (!fs->m_u.usr_ip4_spec.l4_4_bytes)
+ break;
+
+ /* Only supports 20 byte IPv4 header */
+ val_8 = 0x45;
+ mask_8 = 0xFF;
+ bcmgenet_hfb_insert_data(f_data, ETH_HLEN + offset,
+ &val_8, &mask_8,
+ sizeof(val_8));
+ size = sizeof(fs->h_u.usr_ip4_spec.l4_4_bytes);
+ bcmgenet_hfb_insert_data(f_data,
+ ETH_HLEN + 20 + offset,
+ &fs->h_u.usr_ip4_spec.l4_4_bytes,
+ &fs->m_u.usr_ip4_spec.l4_4_bytes,
+ size);
+ f_length += DIV_ROUND_UP(size, 2);
+ break;
+ }
+
+ if (!fs->ring_cookie || fs->ring_cookie == RX_CLS_FLOW_WAKE) {
+ /* Ring 0 flows can be handled by the default Descriptor Ring
+ * We'll map them to ring 0, but don't enable the filter
+ */
+ bcmgenet_hfb_set_filter(priv, f_data, f_length, 0,
+ fs->location);
+ rule->state = BCMGENET_RXNFC_STATE_DISABLED;
+ } else {
+ /* Other Rx rings are direct mapped here */
+ bcmgenet_hfb_set_filter(priv, f_data, f_length,
+ fs->ring_cookie, fs->location);
+ bcmgenet_hfb_enable_filter(priv, fs->location);
+ rule->state = BCMGENET_RXNFC_STATE_ENABLED;
+ }
+
+ kfree(f_data);
+
+ return err;
+}
+
+/* bcmgenet_hfb_add_filter
+ *
+ * Add new filter to Hardware Filter Block to match and direct Rx traffic to
+ * desired Rx queue.
+ *
+ * f_data is an array of unsigned 32-bit integers where each 32-bit integer
+ * provides filter data for 2 bytes (4 nibbles) of Rx frame:
+ *
+ * bits 31:20 - unused
+ * bit 19 - nibble 0 match enable
+ * bit 18 - nibble 1 match enable
+ * bit 17 - nibble 2 match enable
+ * bit 16 - nibble 3 match enable
+ * bits 15:12 - nibble 0 data
+ * bits 11:8 - nibble 1 data
+ * bits 7:4 - nibble 2 data
+ * bits 3:0 - nibble 3 data
+ *
+ * Example:
+ * In order to match:
+ * - Ethernet frame type = 0x0800 (IP)
+ * - IP version field = 4
+ * - IP protocol field = 0x11 (UDP)
+ *
+ * The following filter is needed:
+ * u32 hfb_filter_ipv4_udp[] = {
+ * Rx frame offset 0x00: 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ * Rx frame offset 0x08: 0x00000000, 0x00000000, 0x000F0800, 0x00084000,
+ * Rx frame offset 0x10: 0x00000000, 0x00000000, 0x00000000, 0x00030011,
+ * };
+ *
+ * To add the filter to HFB and direct the traffic to Rx queue 0, call:
+ * bcmgenet_hfb_add_filter(priv, hfb_filter_ipv4_udp,
+ * ARRAY_SIZE(hfb_filter_ipv4_udp), 0);
+ */
+int bcmgenet_hfb_add_filter(struct bcmgenet_priv *priv, u32 *f_data,
+ u32 f_length, u32 rx_queue)
+{
+ int f_index;
+
+ f_index = bcmgenet_hfb_find_unused_filter(priv);
+ if (f_index < 0)
+ return -ENOMEM;
+
+ if (f_length > priv->hw_params->hfb_filter_size)
+ return -EINVAL;
+
+ bcmgenet_hfb_set_filter(priv, f_data, f_length, rx_queue, f_index);
+ bcmgenet_hfb_enable_filter(priv, f_index);
+
+ return 0;
+}
+
+/* bcmgenet_hfb_clear
+ *
+ * Clear Hardware Filter Block and disable all filtering.
+ */
+static void bcmgenet_hfb_clear(struct bcmgenet_priv *priv)
+{
+ u32 i;
+
+ bcmgenet_hfb_reg_writel(priv, 0x0, HFB_CTRL);
+ bcmgenet_hfb_reg_writel(priv, 0x0, HFB_FLT_ENABLE_V3PLUS);
+ bcmgenet_hfb_reg_writel(priv, 0x0, HFB_FLT_ENABLE_V3PLUS + 4);
+
+ for (i = DMA_INDEX2RING_0; i <= DMA_INDEX2RING_7; i++)
+ bcmgenet_rdma_writel(priv, 0x0, i);
+
+ for (i = 0; i < (priv->hw_params->hfb_filter_cnt / 4); i++)
+ bcmgenet_hfb_reg_writel(priv, 0x0,
+ HFB_FLT_LEN_V3PLUS + i * sizeof(u32));
+
+ for (i = 0; i < priv->hw_params->hfb_filter_cnt *
+ priv->hw_params->hfb_filter_size; i++)
+ bcmgenet_hfb_writel(priv, 0x0, i * sizeof(u32));
+}
+
+static void bcmgenet_hfb_init(struct bcmgenet_priv *priv)
+{
+ int i;
+
+ if (GENET_IS_V1(priv) || GENET_IS_V2(priv))
+ return;
+
+ INIT_LIST_HEAD(&priv->rxnfc_list);
+ for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
+ INIT_LIST_HEAD(&priv->rxnfc_rules[i].list);
+ priv->rxnfc_rules[i].state = BCMGENET_RXNFC_STATE_UNUSED;
+ }
+
+ bcmgenet_hfb_clear(priv);
+}
+
static int bcmgenet_begin(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
@@ -934,6 +1310,8 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev,
if (netif_running(dev))
bcmgenet_update_mib_counters(priv);
+ dev->netdev_ops->ndo_get_stats(dev);
+
for (i = 0; i < BCMGENET_STATS_LEN; i++) {
const struct bcmgenet_stats *s;
char *p;
@@ -1043,6 +1421,229 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
return phy_ethtool_set_eee(dev->phydev, e);
}
+static int bcmgenet_validate_flow(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_usrip4_spec *l4_mask;
+ struct ethhdr *eth_mask;
+
+ if (cmd->fs.location >= MAX_NUM_OF_FS_RULES) {
+ netdev_err(dev, "rxnfc: Invalid location (%d)\n",
+ cmd->fs.location);
+ return -EINVAL;
+ }
+
+ switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
+ case IP_USER_FLOW:
+ l4_mask = &cmd->fs.m_u.usr_ip4_spec;
+ /* don't allow mask which isn't valid */
+ if (VALIDATE_MASK(l4_mask->ip4src) ||
+ VALIDATE_MASK(l4_mask->ip4dst) ||
+ VALIDATE_MASK(l4_mask->l4_4_bytes) ||
+ VALIDATE_MASK(l4_mask->proto) ||
+ VALIDATE_MASK(l4_mask->ip_ver) ||
+ VALIDATE_MASK(l4_mask->tos)) {
+ netdev_err(dev, "rxnfc: Unsupported mask\n");
+ return -EINVAL;
+ }
+ break;
+ case ETHER_FLOW:
+ eth_mask = &cmd->fs.m_u.ether_spec;
+ /* don't allow mask which isn't valid */
+ if (VALIDATE_MASK(eth_mask->h_source) ||
+ VALIDATE_MASK(eth_mask->h_source) ||
+ VALIDATE_MASK(eth_mask->h_proto)) {
+ netdev_err(dev, "rxnfc: Unsupported mask\n");
+ return -EINVAL;
+ }
+ break;
+ default:
+ netdev_err(dev, "rxnfc: Unsupported flow type (0x%x)\n",
+ cmd->fs.flow_type);
+ return -EINVAL;
+ }
+
+ if ((cmd->fs.flow_type & FLOW_EXT)) {
+ /* don't allow mask which isn't valid */
+ if (VALIDATE_MASK(cmd->fs.m_ext.vlan_etype) ||
+ VALIDATE_MASK(cmd->fs.m_ext.vlan_tci)) {
+ netdev_err(dev, "rxnfc: Unsupported mask\n");
+ return -EINVAL;
+ }
+ if (cmd->fs.m_ext.data[0] || cmd->fs.m_ext.data[1]) {
+ netdev_err(dev, "rxnfc: user-def not supported\n");
+ return -EINVAL;
+ }
+ }
+
+ if ((cmd->fs.flow_type & FLOW_MAC_EXT)) {
+ /* don't allow mask which isn't valid */
+ if (VALIDATE_MASK(cmd->fs.m_ext.h_dest)) {
+ netdev_err(dev, "rxnfc: Unsupported mask\n");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static int bcmgenet_insert_flow(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct bcmgenet_rxnfc_rule *loc_rule;
+ int err;
+
+ if (priv->hw_params->hfb_filter_size < 128) {
+ netdev_err(dev, "rxnfc: Not supported by this device\n");
+ return -EINVAL;
+ }
+
+ if (cmd->fs.ring_cookie > priv->hw_params->rx_queues &&
+ cmd->fs.ring_cookie != RX_CLS_FLOW_WAKE) {
+ netdev_err(dev, "rxnfc: Unsupported action (%llu)\n",
+ cmd->fs.ring_cookie);
+ return -EINVAL;
+ }
+
+ err = bcmgenet_validate_flow(dev, cmd);
+ if (err)
+ return err;
+
+ loc_rule = &priv->rxnfc_rules[cmd->fs.location];
+ if (loc_rule->state == BCMGENET_RXNFC_STATE_ENABLED)
+ bcmgenet_hfb_disable_filter(priv, cmd->fs.location);
+ if (loc_rule->state != BCMGENET_RXNFC_STATE_UNUSED)
+ list_del(&loc_rule->list);
+ loc_rule->state = BCMGENET_RXNFC_STATE_UNUSED;
+ memcpy(&loc_rule->fs, &cmd->fs,
+ sizeof(struct ethtool_rx_flow_spec));
+
+ err = bcmgenet_hfb_create_rxnfc_filter(priv, loc_rule);
+ if (err) {
+ netdev_err(dev, "rxnfc: Could not install rule (%d)\n",
+ err);
+ return err;
+ }
+
+ list_add_tail(&loc_rule->list, &priv->rxnfc_list);
+
+ return 0;
+}
+
+static int bcmgenet_delete_flow(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct bcmgenet_rxnfc_rule *rule;
+ int err = 0;
+
+ if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
+ return -EINVAL;
+
+ rule = &priv->rxnfc_rules[cmd->fs.location];
+ if (rule->state == BCMGENET_RXNFC_STATE_UNUSED) {
+ err = -ENOENT;
+ goto out;
+ }
+
+ if (rule->state == BCMGENET_RXNFC_STATE_ENABLED)
+ bcmgenet_hfb_disable_filter(priv, cmd->fs.location);
+ if (rule->state != BCMGENET_RXNFC_STATE_UNUSED)
+ list_del(&rule->list);
+ rule->state = BCMGENET_RXNFC_STATE_UNUSED;
+ memset(&rule->fs, 0, sizeof(struct ethtool_rx_flow_spec));
+
+out:
+ return err;
+}
+
+static int bcmgenet_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ int err = 0;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ err = bcmgenet_insert_flow(dev, cmd);
+ break;
+ case ETHTOOL_SRXCLSRLDEL:
+ err = bcmgenet_delete_flow(dev, cmd);
+ break;
+ default:
+ netdev_warn(priv->dev, "Unsupported ethtool command. (%d)\n",
+ cmd->cmd);
+ return -EINVAL;
+ }
+
+ return err;
+}
+
+static int bcmgenet_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ int loc)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct bcmgenet_rxnfc_rule *rule;
+ int err = 0;
+
+ if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
+ return -EINVAL;
+
+ rule = &priv->rxnfc_rules[loc];
+ if (rule->state == BCMGENET_RXNFC_STATE_UNUSED)
+ err = -ENOENT;
+ else
+ memcpy(&cmd->fs, &rule->fs,
+ sizeof(struct ethtool_rx_flow_spec));
+
+ return err;
+}
+
+static int bcmgenet_get_num_flows(struct bcmgenet_priv *priv)
+{
+ struct list_head *pos;
+ int res = 0;
+
+ list_for_each(pos, &priv->rxnfc_list)
+ res++;
+
+ return res;
+}
+
+static int bcmgenet_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ struct bcmgenet_rxnfc_rule *rule;
+ int err = 0;
+ int i = 0;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = priv->hw_params->rx_queues ?: 1;
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = bcmgenet_get_num_flows(priv);
+ cmd->data = MAX_NUM_OF_FS_RULES;
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ err = bcmgenet_get_flow(dev, cmd, cmd->fs.location);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ list_for_each_entry(rule, &priv->rxnfc_list, list)
+ if (i < cmd->rule_cnt)
+ rule_locs[i++] = rule->fs.location;
+ cmd->rule_cnt = i;
+ cmd->data = MAX_NUM_OF_FS_RULES;
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
/* standard ethtool support functions. */
static const struct ethtool_ops bcmgenet_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
@@ -1067,6 +1668,8 @@ static const struct ethtool_ops bcmgenet_ethtool_ops = {
.get_link_ksettings = bcmgenet_get_link_ksettings,
.set_link_ksettings = bcmgenet_set_link_ksettings,
.get_ts_info = ethtool_op_get_ts_info,
+ .get_rxnfc = bcmgenet_get_rxnfc,
+ .set_rxnfc = bcmgenet_set_rxnfc,
};
/* Power down the unimac, based on mode. */
@@ -1622,7 +2225,8 @@ static struct sk_buff *bcmgenet_rx_refill(struct bcmgenet_priv *priv,
dma_addr_t mapping;
/* Allocate a new Rx skb */
- skb = netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT);
+ skb = __netdev_alloc_skb(priv->dev, priv->rx_buf_len + SKB_ALIGNMENT,
+ GFP_ATOMIC | __GFP_NOWARN);
if (!skb) {
priv->mib.alloc_rx_buff_failed++;
netif_err(priv, rx_err, priv->dev,
@@ -2666,10 +3270,7 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id)
static irqreturn_t bcmgenet_wol_isr(int irq, void *dev_id)
{
- struct bcmgenet_priv *priv = dev_id;
-
- pm_wakeup_event(&priv->pdev->dev, 0);
-
+ /* Acknowledge the interrupt */
return IRQ_HANDLED;
}
@@ -2707,9 +3308,8 @@ static void bcmgenet_umac_reset(struct bcmgenet_priv *priv)
static void bcmgenet_set_hw_addr(struct bcmgenet_priv *priv,
unsigned char *addr)
{
- bcmgenet_umac_writel(priv, (addr[0] << 24) | (addr[1] << 16) |
- (addr[2] << 8) | addr[3], UMAC_MAC0);
- bcmgenet_umac_writel(priv, (addr[4] << 8) | addr[5], UMAC_MAC1);
+ bcmgenet_umac_writel(priv, get_unaligned_be32(&addr[0]), UMAC_MAC0);
+ bcmgenet_umac_writel(priv, get_unaligned_be16(&addr[4]), UMAC_MAC1);
}
static void bcmgenet_get_hw_addr(struct bcmgenet_priv *priv,
@@ -2718,13 +3318,9 @@ static void bcmgenet_get_hw_addr(struct bcmgenet_priv *priv,
u32 addr_tmp;
addr_tmp = bcmgenet_umac_readl(priv, UMAC_MAC0);
- addr[0] = addr_tmp >> 24;
- addr[1] = (addr_tmp >> 16) & 0xff;
- addr[2] = (addr_tmp >> 8) & 0xff;
- addr[3] = addr_tmp & 0xff;
+ put_unaligned_be32(addr_tmp, &addr[0]);
addr_tmp = bcmgenet_umac_readl(priv, UMAC_MAC1);
- addr[4] = (addr_tmp >> 8) & 0xff;
- addr[5] = addr_tmp & 0xff;
+ put_unaligned_be16(addr_tmp, &addr[4]);
}
/* Returns a reusable dma control register value */
@@ -2763,43 +3359,12 @@ static void bcmgenet_enable_dma(struct bcmgenet_priv *priv, u32 dma_ctrl)
bcmgenet_tdma_writel(priv, reg, DMA_CTRL);
}
-/* bcmgenet_hfb_clear
- *
- * Clear Hardware Filter Block and disable all filtering.
- */
-static void bcmgenet_hfb_clear(struct bcmgenet_priv *priv)
-{
- u32 i;
-
- bcmgenet_hfb_reg_writel(priv, 0x0, HFB_CTRL);
- bcmgenet_hfb_reg_writel(priv, 0x0, HFB_FLT_ENABLE_V3PLUS);
- bcmgenet_hfb_reg_writel(priv, 0x0, HFB_FLT_ENABLE_V3PLUS + 4);
-
- for (i = DMA_INDEX2RING_0; i <= DMA_INDEX2RING_7; i++)
- bcmgenet_rdma_writel(priv, 0x0, i);
-
- for (i = 0; i < (priv->hw_params->hfb_filter_cnt / 4); i++)
- bcmgenet_hfb_reg_writel(priv, 0x0,
- HFB_FLT_LEN_V3PLUS + i * sizeof(u32));
-
- for (i = 0; i < priv->hw_params->hfb_filter_cnt *
- priv->hw_params->hfb_filter_size; i++)
- bcmgenet_hfb_writel(priv, 0x0, i * sizeof(u32));
-}
-
-static void bcmgenet_hfb_init(struct bcmgenet_priv *priv)
-{
- if (GENET_IS_V1(priv) || GENET_IS_V2(priv))
- return;
-
- bcmgenet_hfb_clear(priv);
-}
-
static void bcmgenet_netif_start(struct net_device *dev)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
/* Start the network engine */
+ bcmgenet_set_rx_mode(dev);
bcmgenet_enable_rx_napi(priv);
umac_enable_set(priv, CMD_TX_EN | CMD_RX_EN, true);
@@ -3156,6 +3721,7 @@ static struct net_device_stats *bcmgenet_get_stats(struct net_device *dev)
dev->stats.rx_packets = rx_packets;
dev->stats.rx_errors = rx_errors;
dev->stats.rx_missed_errors = rx_errors;
+ dev->stats.rx_dropped = rx_dropped;
return &dev->stats;
}
@@ -3417,8 +3983,6 @@ MODULE_DEVICE_TABLE(of, bcmgenet_match);
static int bcmgenet_probe(struct platform_device *pdev)
{
struct bcmgenet_platform_data *pd = pdev->dev.platform_data;
- struct device_node *dn = pdev->dev.of_node;
- const struct of_device_id *of_id = NULL;
const struct bcmgenet_plat_data *pdata;
struct bcmgenet_priv *priv;
struct net_device *dev;
@@ -3433,12 +3997,6 @@ static int bcmgenet_probe(struct platform_device *pdev)
return -ENOMEM;
}
- if (dn) {
- of_id = of_match_node(bcmgenet_match, dn);
- if (!of_id)
- return -EINVAL;
- }
-
priv = netdev_priv(dev);
priv->irq0 = platform_get_irq(pdev, 0);
if (priv->irq0 < 0) {
@@ -3500,13 +4058,16 @@ static int bcmgenet_probe(struct platform_device *pdev)
priv->dma_max_burst_length = DMA_MAX_BURST_LENGTH;
}
- priv->clk = devm_clk_get(&priv->pdev->dev, "enet");
+ priv->clk = devm_clk_get_optional(&priv->pdev->dev, "enet");
if (IS_ERR(priv->clk)) {
dev_dbg(&priv->pdev->dev, "failed to get enet clock\n");
- priv->clk = NULL;
+ err = PTR_ERR(priv->clk);
+ goto err;
}
- clk_prepare_enable(priv->clk);
+ err = clk_prepare_enable(priv->clk);
+ if (err)
+ goto err;
bcmgenet_set_hw_params(priv);
@@ -3524,16 +4085,18 @@ static int bcmgenet_probe(struct platform_device *pdev)
priv->rx_buf_len = RX_BUF_LENGTH;
INIT_WORK(&priv->bcmgenet_irq_work, bcmgenet_irq_task);
- priv->clk_wol = devm_clk_get(&priv->pdev->dev, "enet-wol");
+ priv->clk_wol = devm_clk_get_optional(&priv->pdev->dev, "enet-wol");
if (IS_ERR(priv->clk_wol)) {
dev_dbg(&priv->pdev->dev, "failed to get enet-wol clock\n");
- priv->clk_wol = NULL;
+ err = PTR_ERR(priv->clk_wol);
+ goto err;
}
- priv->clk_eee = devm_clk_get(&priv->pdev->dev, "enet-eee");
+ priv->clk_eee = devm_clk_get_optional(&priv->pdev->dev, "enet-eee");
if (IS_ERR(priv->clk_eee)) {
dev_dbg(&priv->pdev->dev, "failed to get enet-eee clock\n");
- priv->clk_eee = NULL;
+ err = PTR_ERR(priv->clk_eee);
+ goto err;
}
/* If this is an internal GPHY, power it on now, before UniMAC is
@@ -3542,7 +4105,7 @@ static int bcmgenet_probe(struct platform_device *pdev)
if (device_get_phy_mode(&pdev->dev) == PHY_INTERFACE_MODE_INTERNAL)
bcmgenet_power_up(priv, GENET_POWER_PASSIVE);
- if ((pd) && (!IS_ERR_OR_NULL(pd->mac_address)))
+ if (pd && !IS_ERR_OR_NULL(pd->mac_address))
ether_addr_copy(dev->dev_addr, pd->mac_address);
else
if (!device_get_mac_address(&pdev->dev, dev->dev_addr, ETH_ALEN))
@@ -3608,11 +4171,10 @@ static void bcmgenet_shutdown(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
-static int bcmgenet_resume(struct device *d)
+static int bcmgenet_resume_noirq(struct device *d)
{
struct net_device *dev = dev_get_drvdata(d);
struct bcmgenet_priv *priv = netdev_priv(dev);
- unsigned long dma_ctrl;
int ret;
u32 reg;
@@ -3624,6 +4186,38 @@ static int bcmgenet_resume(struct device *d)
if (ret)
return ret;
+ if (device_may_wakeup(d) && priv->wolopts) {
+ /* Account for Wake-on-LAN events and clear those events
+ * (Some devices need more time between enabling the clocks
+ * and the interrupt register reflecting the wake event so
+ * read the register twice)
+ */
+ reg = bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT);
+ reg = bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT);
+ if (reg & UMAC_IRQ_WAKE_EVENT)
+ pm_wakeup_event(&priv->pdev->dev, 0);
+ }
+
+ bcmgenet_intrl2_0_writel(priv, UMAC_IRQ_WAKE_EVENT, INTRL2_CPU_CLEAR);
+
+ return 0;
+}
+
+static int bcmgenet_resume(struct device *d)
+{
+ struct net_device *dev = dev_get_drvdata(d);
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ unsigned long dma_ctrl;
+ u32 offset, reg;
+ int ret;
+
+ if (!netif_running(dev))
+ return 0;
+
+ /* From WOL-enabled suspend, switch to regular clock */
+ if (device_may_wakeup(d) && priv->wolopts)
+ bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC);
+
/* If this is an internal GPHY, power it back on now, before UniMAC is
* brought out of reset as absolutely no UniMAC activity is allowed
*/
@@ -3634,10 +4228,6 @@ static int bcmgenet_resume(struct device *d)
init_umac(priv);
- /* From WOL-enabled suspend, switch to regular clock */
- if (priv->wolopts)
- clk_disable_unprepare(priv->clk_wol);
-
phy_init_hw(dev->phydev);
/* Speed settings must be restored */
@@ -3649,15 +4239,17 @@ static int bcmgenet_resume(struct device *d)
bcmgenet_set_hw_addr(priv, dev->dev_addr);
+ offset = HFB_FLT_ENABLE_V3PLUS;
+ bcmgenet_hfb_reg_writel(priv, priv->hfb_en[1], offset);
+ bcmgenet_hfb_reg_writel(priv, priv->hfb_en[2], offset + sizeof(u32));
+ bcmgenet_hfb_reg_writel(priv, priv->hfb_en[0], HFB_CTRL);
+
if (priv->internal_phy) {
reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
reg |= EXT_ENERGY_DET_MASK;
bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
}
- if (priv->wolopts)
- bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC);
-
/* Disable RX/TX DMA and flush TX queues */
dma_ctrl = bcmgenet_dma_disable(priv);
@@ -3694,7 +4286,7 @@ static int bcmgenet_suspend(struct device *d)
{
struct net_device *dev = dev_get_drvdata(d);
struct bcmgenet_priv *priv = netdev_priv(dev);
- int ret = 0;
+ u32 offset;
if (!netif_running(dev))
return 0;
@@ -3706,25 +4298,53 @@ static int bcmgenet_suspend(struct device *d)
if (!device_may_wakeup(d))
phy_suspend(dev->phydev);
+ /* Preserve filter state and disable filtering */
+ priv->hfb_en[0] = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ offset = HFB_FLT_ENABLE_V3PLUS;
+ priv->hfb_en[1] = bcmgenet_hfb_reg_readl(priv, offset);
+ priv->hfb_en[2] = bcmgenet_hfb_reg_readl(priv, offset + sizeof(u32));
+ bcmgenet_hfb_reg_writel(priv, 0, HFB_CTRL);
+
+ return 0;
+}
+
+static int bcmgenet_suspend_noirq(struct device *d)
+{
+ struct net_device *dev = dev_get_drvdata(d);
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+ int ret = 0;
+
+ if (!netif_running(dev))
+ return 0;
+
/* Prepare the device for Wake-on-LAN and switch to the slow clock */
- if (device_may_wakeup(d) && priv->wolopts) {
+ if (device_may_wakeup(d) && priv->wolopts)
ret = bcmgenet_power_down(priv, GENET_POWER_WOL_MAGIC);
- clk_prepare_enable(priv->clk_wol);
- } else if (priv->internal_phy) {
+ else if (priv->internal_phy)
ret = bcmgenet_power_down(priv, GENET_POWER_PASSIVE);
- }
+
+ /* Let the framework handle resumption and leave the clocks on */
+ if (ret)
+ return ret;
/* Turn off the clocks */
clk_disable_unprepare(priv->clk);
- if (ret)
- bcmgenet_resume(d);
-
- return ret;
+ return 0;
}
+#else
+#define bcmgenet_suspend NULL
+#define bcmgenet_suspend_noirq NULL
+#define bcmgenet_resume NULL
+#define bcmgenet_resume_noirq NULL
#endif /* CONFIG_PM_SLEEP */
-static SIMPLE_DEV_PM_OPS(bcmgenet_pm_ops, bcmgenet_suspend, bcmgenet_resume);
+static const struct dev_pm_ops bcmgenet_pm_ops = {
+ .suspend = bcmgenet_suspend,
+ .suspend_noirq = bcmgenet_suspend_noirq,
+ .resume = bcmgenet_resume,
+ .resume_noirq = bcmgenet_resume_noirq,
+};
static const struct acpi_device_id genet_acpi_match[] = {
{ "BCM6E4E", (kernel_ulong_t)&bcm2711_plat_data },
@@ -3740,7 +4360,7 @@ static struct platform_driver bcmgenet_driver = {
.name = "bcmgenet",
.of_match_table = bcmgenet_match,
.pm = &bcmgenet_pm_ops,
- .acpi_match_table = ACPI_PTR(genet_acpi_match),
+ .acpi_match_table = genet_acpi_match,
},
};
module_platform_driver(bcmgenet_driver);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index daf8fb2c39b6..a12cb59298f4 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright (c) 2014-2017 Broadcom
+ * Copyright (c) 2014-2020 Broadcom
*/
#ifndef __BCMGENET_H__
@@ -14,6 +14,7 @@
#include <linux/if_vlan.h>
#include <linux/phy.h>
#include <linux/dim.h>
+#include <linux/ethtool.h>
/* total number of Buffer Descriptors, same for Rx/Tx */
#define TOTAL_DESC 256
@@ -31,6 +32,7 @@
#define DMA_MAX_BURST_LENGTH 0x10
/* misc. configuration */
+#define MAX_NUM_OF_FS_RULES 16
#define CLEAR_ALL_HFB 0xFF
#define DMA_FC_THRESH_HI (TOTAL_DESC >> 4)
#define DMA_FC_THRESH_LO 5
@@ -310,6 +312,8 @@ struct bcmgenet_mib_counters {
#define UMAC_IRQ_HFB_SM (1 << 10)
#define UMAC_IRQ_HFB_MM (1 << 11)
#define UMAC_IRQ_MPD_R (1 << 12)
+#define UMAC_IRQ_WAKE_EVENT (UMAC_IRQ_HFB_SM | UMAC_IRQ_HFB_MM | \
+ UMAC_IRQ_MPD_R)
#define UMAC_IRQ_RXDMA_MBDONE (1 << 13)
#define UMAC_IRQ_RXDMA_PDONE (1 << 14)
#define UMAC_IRQ_RXDMA_BDONE (1 << 15)
@@ -608,6 +612,18 @@ struct bcmgenet_rx_ring {
struct bcmgenet_priv *priv;
};
+enum bcmgenet_rxnfc_state {
+ BCMGENET_RXNFC_STATE_UNUSED = 0,
+ BCMGENET_RXNFC_STATE_DISABLED,
+ BCMGENET_RXNFC_STATE_ENABLED
+};
+
+struct bcmgenet_rxnfc_rule {
+ struct list_head list;
+ struct ethtool_rx_flow_spec fs;
+ enum bcmgenet_rxnfc_state state;
+};
+
/* device context */
struct bcmgenet_priv {
void __iomem *base;
@@ -626,6 +642,8 @@ struct bcmgenet_priv {
struct enet_cb *rx_cbs;
unsigned int num_rx_bds;
unsigned int rx_buf_len;
+ struct bcmgenet_rxnfc_rule rxnfc_rules[MAX_NUM_OF_FS_RULES];
+ struct list_head rxnfc_list;
struct bcmgenet_rx_ring rx_rings[DESC_INDEX + 1];
@@ -676,6 +694,9 @@ struct bcmgenet_priv {
/* WOL */
struct clk *clk_wol;
u32 wolopts;
+ u8 sopass[SOPASS_MAX];
+ bool wol_active;
+ u32 hfb_en[3];
struct bcmgenet_mib_counters mib;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
index c9a43695b182..4ea6a26b04f7 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet_wol.c
@@ -2,7 +2,7 @@
/*
* Broadcom GENET (Gigabit Ethernet) Wake-on-LAN support
*
- * Copyright (c) 2014-2017 Broadcom
+ * Copyright (c) 2014-2020 Broadcom
*/
#define pr_fmt(fmt) "bcmgenet_wol: " fmt
@@ -41,18 +41,13 @@
void bcmgenet_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
- u32 reg;
- wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE;
+ wol->supported = WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER;
wol->wolopts = priv->wolopts;
memset(wol->sopass, 0, sizeof(wol->sopass));
- if (wol->wolopts & WAKE_MAGICSECURE) {
- reg = bcmgenet_umac_readl(priv, UMAC_MPD_PW_MS);
- put_unaligned_be16(reg, &wol->sopass[0]);
- reg = bcmgenet_umac_readl(priv, UMAC_MPD_PW_LS);
- put_unaligned_be32(reg, &wol->sopass[2]);
- }
+ if (wol->wolopts & WAKE_MAGICSECURE)
+ memcpy(wol->sopass, priv->sopass, sizeof(priv->sopass));
}
/* ethtool function - set WOL (Wake on LAN) settings.
@@ -62,25 +57,15 @@ int bcmgenet_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct device *kdev = &priv->pdev->dev;
- u32 reg;
if (!device_can_wakeup(kdev))
return -ENOTSUPP;
- if (wol->wolopts & ~(WAKE_MAGIC | WAKE_MAGICSECURE))
+ if (wol->wolopts & ~(WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER))
return -EINVAL;
- reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
- if (wol->wolopts & WAKE_MAGICSECURE) {
- bcmgenet_umac_writel(priv, get_unaligned_be16(&wol->sopass[0]),
- UMAC_MPD_PW_MS);
- bcmgenet_umac_writel(priv, get_unaligned_be32(&wol->sopass[2]),
- UMAC_MPD_PW_LS);
- reg |= MPD_PW_EN;
- } else {
- reg &= ~MPD_PW_EN;
- }
- bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ if (wol->wolopts & WAKE_MAGICSECURE)
+ memcpy(priv->sopass, wol->sopass, sizeof(priv->sopass));
/* Flag the device and relevant IRQ as wakeup capable */
if (wol->wolopts) {
@@ -120,12 +105,21 @@ static int bcmgenet_poll_wol_status(struct bcmgenet_priv *priv)
return retries;
}
+static void bcmgenet_set_mpd_password(struct bcmgenet_priv *priv)
+{
+ bcmgenet_umac_writel(priv, get_unaligned_be16(&priv->sopass[0]),
+ UMAC_MPD_PW_MS);
+ bcmgenet_umac_writel(priv, get_unaligned_be32(&priv->sopass[2]),
+ UMAC_MPD_PW_LS);
+}
+
int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
enum bcmgenet_power_mode mode)
{
struct net_device *dev = priv->dev;
+ struct bcmgenet_rxnfc_rule *rule;
+ u32 reg, hfb_ctrl_reg, hfb_enable = 0;
int retries = 0;
- u32 reg;
if (mode != GENET_POWER_WOL_MAGIC) {
netif_err(priv, wol, dev, "unsupported mode: %d\n", mode);
@@ -142,22 +136,48 @@ int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
mdelay(10);
- reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
- reg |= MPD_EN;
- bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ if (priv->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {
+ reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
+ reg |= MPD_EN;
+ if (priv->wolopts & WAKE_MAGICSECURE) {
+ bcmgenet_set_mpd_password(priv);
+ reg |= MPD_PW_EN;
+ }
+ bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ }
+
+ hfb_ctrl_reg = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ if (priv->wolopts & WAKE_FILTER) {
+ list_for_each_entry(rule, &priv->rxnfc_list, list)
+ if (rule->fs.ring_cookie == RX_CLS_FLOW_WAKE)
+ hfb_enable |= (1 << rule->fs.location);
+ reg = (hfb_ctrl_reg & ~RBUF_HFB_EN) | RBUF_ACPI_EN;
+ bcmgenet_hfb_reg_writel(priv, reg, HFB_CTRL);
+ }
/* Do not leave UniMAC in MPD mode only */
retries = bcmgenet_poll_wol_status(priv);
if (retries < 0) {
reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
- reg &= ~MPD_EN;
+ reg &= ~(MPD_EN | MPD_PW_EN);
bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ bcmgenet_hfb_reg_writel(priv, hfb_ctrl_reg, HFB_CTRL);
return retries;
}
netif_dbg(priv, wol, dev, "MPD WOL-ready status set after %d msec\n",
retries);
+ clk_prepare_enable(priv->clk_wol);
+ priv->wol_active = 1;
+
+ if (hfb_enable) {
+ bcmgenet_hfb_reg_writel(priv, hfb_enable,
+ HFB_FLT_ENABLE_V3PLUS + 4);
+ hfb_ctrl_reg = RBUF_HFB_EN | RBUF_ACPI_EN;
+ bcmgenet_hfb_reg_writel(priv, hfb_ctrl_reg, HFB_CTRL);
+ }
+
/* Enable CRC forward */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
priv->crc_fwd_en = 1;
@@ -173,6 +193,12 @@ int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
}
+ reg = UMAC_IRQ_MPD_R;
+ if (hfb_enable)
+ reg |= UMAC_IRQ_HFB_SM | UMAC_IRQ_HFB_MM;
+
+ bcmgenet_intrl2_0_writel(priv, reg, INTRL2_CPU_MASK_CLEAR);
+
return 0;
}
@@ -186,12 +212,22 @@ void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv,
return;
}
+ if (!priv->wol_active)
+ return; /* failed to suspend so skip the rest */
+
+ priv->wol_active = 0;
+ clk_disable_unprepare(priv->clk_wol);
+
+ /* Disable Magic Packet Detection */
reg = bcmgenet_umac_readl(priv, UMAC_MPD_CTRL);
- if (!(reg & MPD_EN))
- return; /* already powered up so skip the rest */
- reg &= ~MPD_EN;
+ reg &= ~(MPD_EN | MPD_PW_EN);
bcmgenet_umac_writel(priv, reg, UMAC_MPD_CTRL);
+ /* Disable WAKE_FILTER Detection */
+ reg = bcmgenet_hfb_reg_readl(priv, HFB_CTRL);
+ reg &= ~(RBUF_HFB_EN | RBUF_ACPI_EN);
+ bcmgenet_hfb_reg_writel(priv, reg, HFB_CTRL);
+
/* Disable CRC Forward */
reg = bcmgenet_umac_readl(priv, UMAC_CMD);
reg &= ~CMD_CRC_FWD;
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index ff98a82b7bc4..7a3b22b35238 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -10797,17 +10797,15 @@ static int tg3_init_hw(struct tg3 *tp, bool reset_phy)
#ifdef CONFIG_TIGON3_HWMON
static void tg3_sd_scan_scratchpad(struct tg3 *tp, struct tg3_ocir *ocir)
{
+ u32 off, len = TG3_OCIR_LEN;
int i;
- for (i = 0; i < TG3_SD_NUM_RECS; i++, ocir++) {
- u32 off = i * TG3_OCIR_LEN, len = TG3_OCIR_LEN;
-
+ for (i = 0, off = 0; i < TG3_SD_NUM_RECS; i++, ocir++, off += len) {
tg3_ape_scratchpad_read(tp, (u32 *) ocir, off, len);
- off += len;
if (ocir->signature != TG3_OCIR_SIG_MAGIC ||
!(ocir->version_flags & TG3_OCIR_FLAG_ACTIVE))
- memset(ocir, 0, TG3_OCIR_LEN);
+ memset(ocir, 0, len);
}
}
diff --git a/drivers/net/ethernet/cadence/Kconfig b/drivers/net/ethernet/cadence/Kconfig
index 53b50c24d9c9..2c4c12b03502 100644
--- a/drivers/net/ethernet/cadence/Kconfig
+++ b/drivers/net/ethernet/cadence/Kconfig
@@ -35,8 +35,8 @@ config MACB
config MACB_USE_HWSTAMP
bool "Use IEEE 1588 hwstamp"
depends on MACB
+ depends on PTP_1588_CLOCK
default y
- imply PTP_1588_CLOCK
---help---
Enable IEEE 1588 Precision Time Protocol (PTP) support for MACB.
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index a0e8c5bbabc0..36290a8e2a84 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -334,8 +334,10 @@ static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
int status;
status = pm_runtime_get_sync(&bp->pdev->dev);
- if (status < 0)
+ if (status < 0) {
+ pm_runtime_put_noidle(&bp->pdev->dev);
goto mdio_pm_exit;
+ }
status = macb_mdio_wait_for_idle(bp);
if (status < 0)
@@ -386,8 +388,10 @@ static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
int status;
status = pm_runtime_get_sync(&bp->pdev->dev);
- if (status < 0)
+ if (status < 0) {
+ pm_runtime_put_noidle(&bp->pdev->dev);
goto mdio_pm_exit;
+ }
status = macb_mdio_wait_for_idle(bp);
if (status < 0)
@@ -3816,8 +3820,10 @@ static int at91ether_open(struct net_device *dev)
int ret;
ret = pm_runtime_get_sync(&lp->pdev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(&lp->pdev->dev);
return ret;
+ }
/* Clear internal statistics */
ctl = macb_readl(lp, NCR);
@@ -4172,15 +4178,9 @@ static int fu540_c000_clk_init(struct platform_device *pdev, struct clk **pclk,
static int fu540_c000_init(struct platform_device *pdev)
{
- struct resource *res;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res)
- return -ENODEV;
-
- mgmt->reg = ioremap(res->start, resource_size(res));
- if (!mgmt->reg)
- return -ENOMEM;
+ mgmt->reg = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(mgmt->reg))
+ return PTR_ERR(mgmt->reg);
return macb_init(pdev);
}
diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig
index 6a700d34019e..4520e7ee00fe 100644
--- a/drivers/net/ethernet/cavium/Kconfig
+++ b/drivers/net/ethernet/cavium/Kconfig
@@ -54,7 +54,7 @@ config THUNDER_NIC_RGX
config CAVIUM_PTP
tristate "Cavium PTP coprocessor as PTP clock"
depends on 64BIT && PCI
- imply PTP_1588_CLOCK
+ depends on PTP_1588_CLOCK
---help---
This driver adds support for the Precision Time Protocol Clocks and
Timestamping coprocessor (PTP) found on Cavium processors.
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index d7e805749a5b..e40c64b79f66 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -782,7 +782,6 @@ static int liquidio_napi_poll(struct napi_struct *napi, int budget)
if ((work_done < budget && tx_done) ||
(iq && iq->pkt_in_done >= MAX_REG_CNT) ||
(droq->pkt_count >= MAX_REG_CNT)) {
- tx_done = 1;
napi_complete_done(napi, work_done);
octeon_enable_irq(droq->oct_dev, droq->q_no);
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.h b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
index 3d01d3602d8f..fb380b4f3e02 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_device.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.h
@@ -712,18 +712,6 @@ struct octeon_device *lio_get_device(u32 octeon_id);
*/
int lio_get_device_id(void *dev);
-static inline u16 OCTEON_MAJOR_REV(struct octeon_device *oct)
-{
- u16 rev = (oct->rev_id & 0xC) >> 2;
-
- return (rev == 0) ? 1 : rev;
-}
-
-static inline u16 OCTEON_MINOR_REV(struct octeon_device *oct)
-{
- return oct->rev_id & 0x3;
-}
-
/** Read windowed register.
* @param oct - pointer to the Octeon device.
* @param addr - Address of the register to read.
diff --git a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
index 9d868403d86c..cbaa1924afbe 100644
--- a/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
+++ b/drivers/net/ethernet/cavium/octeon/octeon_mgmt.c
@@ -234,6 +234,11 @@ static void octeon_mgmt_rx_fill_ring(struct net_device *netdev)
/* Put it in the ring. */
p->rx_ring[p->rx_next_fill] = re.d64;
+ /* Make sure there is no reorder of filling the ring and ringing
+ * the bell
+ */
+ wmb();
+
dma_sync_single_for_device(p->dev, p->rx_ring_handle,
ring_size_to_bytes(OCTEON_MGMT_RX_RING_SIZE),
DMA_BIDIRECTIONAL);
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index b4b33368698f..2ba0ce115e63 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -552,6 +552,7 @@ static inline bool nicvf_xdp_rx(struct nicvf *nic, struct bpf_prog *prog,
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + len;
xdp.rxq = &rq->xdp_rxq;
+ xdp.frame_sz = RCV_FRAG_LEN + XDP_PACKET_HEADROOM;
orig_data = xdp.data;
rcu_read_lock();
diff --git a/drivers/net/ethernet/chelsio/Kconfig b/drivers/net/ethernet/chelsio/Kconfig
index 9909bfda167e..82cdfa51ce37 100644
--- a/drivers/net/ethernet/chelsio/Kconfig
+++ b/drivers/net/ethernet/chelsio/Kconfig
@@ -26,7 +26,7 @@ config CHELSIO_T1
This driver supports Chelsio gigabit and 10-gigabit
Ethernet cards. More information about adapter features and
performance tuning is in
- <file:Documentation/networking/device_drivers/chelsio/cxgb.txt>.
+ <file:Documentation/networking/device_drivers/chelsio/cxgb.rst>.
For general information about Chelsio and our products, visit
our website at <http://www.chelsio.com>.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index 19c11568113a..7b9cd69f9844 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -1049,9 +1049,9 @@ static void cudbg_t4_fwcache(struct cudbg_init *pdbg_init,
}
}
-static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init,
- struct cudbg_error *cudbg_err,
- u8 mem_type)
+static int cudbg_mem_region_size(struct cudbg_init *pdbg_init,
+ struct cudbg_error *cudbg_err,
+ u8 mem_type, unsigned long *region_size)
{
struct adapter *padap = pdbg_init->adap;
struct cudbg_meminfo mem_info;
@@ -1060,15 +1060,23 @@ static unsigned long cudbg_mem_region_size(struct cudbg_init *pdbg_init,
memset(&mem_info, 0, sizeof(struct cudbg_meminfo));
rc = cudbg_fill_meminfo(padap, &mem_info);
- if (rc)
+ if (rc) {
+ cudbg_err->sys_err = rc;
return rc;
+ }
cudbg_t4_fwcache(pdbg_init, cudbg_err);
rc = cudbg_meminfo_get_mem_index(padap, &mem_info, mem_type, &mc_idx);
- if (rc)
+ if (rc) {
+ cudbg_err->sys_err = rc;
return rc;
+ }
+
+ if (region_size)
+ *region_size = mem_info.avail[mc_idx].limit -
+ mem_info.avail[mc_idx].base;
- return mem_info.avail[mc_idx].limit - mem_info.avail[mc_idx].base;
+ return 0;
}
static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
@@ -1076,7 +1084,12 @@ static int cudbg_collect_mem_region(struct cudbg_init *pdbg_init,
struct cudbg_error *cudbg_err,
u8 mem_type)
{
- unsigned long size = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type);
+ unsigned long size = 0;
+ int rc;
+
+ rc = cudbg_mem_region_size(pdbg_init, cudbg_err, mem_type, &size);
+ if (rc)
+ return rc;
return cudbg_read_fw_mem(pdbg_init, dbg_buff, mem_type, size,
cudbg_err);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index e46a14f44a6f..cf69c6edcfec 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -60,6 +60,7 @@
#define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__)
extern struct list_head adapter_list;
+extern struct list_head uld_list;
extern struct mutex uld_mutex;
/* Suspend an Ethernet Tx queue with fewer available descriptors than this.
@@ -466,8 +467,6 @@ static inline struct mbox_cmd *mbox_cmd_log_entry(struct mbox_cmd_log *log,
return &((struct mbox_cmd *)&(log)[1])[entry_idx];
}
-#include "t4fw_api.h"
-
#define FW_VERSION(chip) ( \
FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \
FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \
@@ -824,6 +823,13 @@ struct sge_uld_txq_info {
u16 ntxq; /* # of egress uld queues */
};
+/* struct to maintain ULD list to reallocate ULD resources on hotplug */
+struct cxgb4_uld_list {
+ struct cxgb4_uld_info uld_info;
+ struct list_head list_node;
+ enum cxgb4_uld uld_type;
+};
+
enum sge_eosw_state {
CXGB4_EO_STATE_CLOSED = 0, /* Not ready to accept traffic */
CXGB4_EO_STATE_FLOWC_OPEN_SEND, /* Send FLOWC open request */
@@ -1093,6 +1099,7 @@ struct adapter {
/* TC u32 offload */
struct cxgb4_tc_u32_table *tc_u32;
+ struct chcr_ktls chcr_ktls;
struct chcr_stats_debug chcr_stats;
/* TC flower offload */
@@ -1127,19 +1134,20 @@ struct adapter {
* programmed with various parameters.
*/
struct ch_sched_params {
- s8 type; /* packet or flow */
+ u8 type; /* packet or flow */
union {
struct {
- s8 level; /* scheduler hierarchy level */
- s8 mode; /* per-class or per-flow */
- s8 rateunit; /* bit or packet rate */
- s8 ratemode; /* %port relative or kbps absolute */
- s8 channel; /* scheduler channel [0..N] */
- s8 class; /* scheduler class [0..N] */
- s32 minrate; /* minimum rate */
- s32 maxrate; /* maximum rate */
- s16 weight; /* percent weight */
- s16 pktsize; /* average packet size */
+ u8 level; /* scheduler hierarchy level */
+ u8 mode; /* per-class or per-flow */
+ u8 rateunit; /* bit or packet rate */
+ u8 ratemode; /* %port relative or kbps absolute */
+ u8 channel; /* scheduler channel [0..N] */
+ u8 class; /* scheduler class [0..N] */
+ u32 minrate; /* minimum rate */
+ u32 maxrate; /* maximum rate */
+ u16 weight; /* percent weight */
+ u16 pktsize; /* average packet size */
+ u16 burstsize; /* burst buffer size */
} params;
} u;
};
@@ -1954,9 +1962,10 @@ int t4_sge_ctxt_rd(struct adapter *adap, unsigned int mbox, unsigned int cid,
enum ctxt_type ctype, u32 *data);
int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
enum ctxt_type ctype, u32 *data);
-int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
- int rateunit, int ratemode, int channel, int class,
- int minrate, int maxrate, int weight, int pktsize);
+int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
+ u8 rateunit, u8 ratemode, u8 channel, u8 class,
+ u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
+ u16 burstsize);
void t4_sge_decode_idma_state(struct adapter *adapter, int state);
void t4_idma_monitor_init(struct adapter *adapter,
struct sge_idma_monitor_state *idma);
@@ -2052,4 +2061,7 @@ int cxgb_open(struct net_device *dev);
int cxgb_close(struct net_device *dev);
void cxgb4_enable_rx(struct adapter *adap, struct sge_rspq *q);
void cxgb4_quiesce_rx(struct sge_rspq *q);
+#ifdef CONFIG_CHELSIO_TLS_DEVICE
+int cxgb4_set_ktls_feature(struct adapter *adap, bool enable);
+#endif
#endif /* __CXGB4_H__ */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index ebed99f3d4cf..41315712deb8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -49,6 +49,7 @@
#include "cudbg_lib_common.h"
#include "cudbg_entity.h"
#include "cudbg_lib.h"
+#include "cxgb4_tc_mqprio.h"
/* generic seq_file support for showing a table of size rows x width. */
static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
@@ -1812,12 +1813,8 @@ static int mps_tcam_show(struct seq_file *seq, void *v)
/* Inner header lookup */
if (lookup_type && (lookup_type != DATALKPTYPE_M)) {
seq_printf(seq,
- "%3u %02x:%02x:%02x:%02x:%02x:%02x "
- "%012llx %06x %06x - - %3c"
- " 'I' %4x "
- "%3c %#x%4u%4d", idx, addr[0],
- addr[1], addr[2], addr[3],
- addr[4], addr[5],
+ "%3u %pM %012llx %06x %06x - - %3c 'I' %4x %3c %#x%4u%4d",
+ idx, addr,
(unsigned long long)mask,
vniy, (vnix | vniy),
dip_hit ? 'Y' : 'N',
@@ -1829,10 +1826,8 @@ static int mps_tcam_show(struct seq_file *seq, void *v)
T6_VF_G(cls_lo) : -1);
} else {
seq_printf(seq,
- "%3u %02x:%02x:%02x:%02x:%02x:%02x "
- "%012llx - - ",
- idx, addr[0], addr[1], addr[2],
- addr[3], addr[4], addr[5],
+ "%3u %pM %012llx - - ",
+ idx, addr,
(unsigned long long)mask);
if (vlan_vld)
@@ -1850,10 +1845,8 @@ static int mps_tcam_show(struct seq_file *seq, void *v)
T6_VF_G(cls_lo) : -1);
}
} else
- seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x "
- "%012llx%3c %#x%4u%4d",
- idx, addr[0], addr[1], addr[2], addr[3],
- addr[4], addr[5], (unsigned long long)mask,
+ seq_printf(seq, "%3u %pM %012llx%3c %#x%4u%4d",
+ idx, addr, (unsigned long long)mask,
(cls_lo & SRAM_VLD_F) ? 'Y' : 'N',
PORTMAP_G(cls_hi),
PF_G(cls_lo),
@@ -2657,32 +2650,19 @@ static int sge_qinfo_uld_ciq_entries(const struct adapter *adap, int uld)
static int sge_qinfo_show(struct seq_file *seq, void *v)
{
- int eth_entries, ctrl_entries, eo_entries = 0;
+ int eth_entries, ctrl_entries, eohw_entries = 0, eosw_entries = 0;
int uld_rxq_entries[CXGB4_ULD_MAX] = { 0 };
int uld_ciq_entries[CXGB4_ULD_MAX] = { 0 };
int uld_txq_entries[CXGB4_TX_MAX] = { 0 };
const struct sge_uld_txq_info *utxq_info;
const struct sge_uld_rxq_info *urxq_info;
+ struct cxgb4_tc_port_mqprio *port_mqprio;
struct adapter *adap = seq->private;
- int i, n, r = (uintptr_t)v - 1;
+ int i, j, n, r = (uintptr_t)v - 1;
struct sge *s = &adap->sge;
eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
- if (adap->sge.eohw_txq)
- eo_entries = DIV_ROUND_UP(adap->sge.eoqsets, 4);
-
- mutex_lock(&uld_mutex);
- if (s->uld_txq_info)
- for (i = 0; i < ARRAY_SIZE(uld_txq_entries); i++)
- uld_txq_entries[i] = sge_qinfo_uld_txq_entries(adap, i);
-
- if (s->uld_rxq_info) {
- for (i = 0; i < ARRAY_SIZE(uld_rxq_entries); i++) {
- uld_rxq_entries[i] = sge_qinfo_uld_rxq_entries(adap, i);
- uld_ciq_entries[i] = sge_qinfo_uld_ciq_entries(adap, i);
- }
- }
if (r)
seq_putc(seq, '\n');
@@ -2759,11 +2739,21 @@ do { \
RL("FLLow:", fl.low);
RL("FLStarving:", fl.starving);
- goto unlock;
+ goto out;
}
r -= eth_entries;
- if (r < eo_entries) {
+ if (!adap->tc_mqprio)
+ goto skip_mqprio;
+
+ mutex_lock(&adap->tc_mqprio->mqprio_mutex);
+ if (!refcount_read(&adap->tc_mqprio->refcnt)) {
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
+ goto skip_mqprio;
+ }
+
+ eohw_entries = DIV_ROUND_UP(adap->sge.eoqsets, 4);
+ if (r < eohw_entries) {
int base_qset = r * 4;
const struct sge_ofld_rxq *rx = &s->eohw_rxq[base_qset];
const struct sge_eohw_txq *tx = &s->eohw_txq[base_qset];
@@ -2808,10 +2798,71 @@ do { \
RL("FLLow:", fl.low);
RL("FLStarving:", fl.starving);
- goto unlock;
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
+ goto out;
+ }
+
+ r -= eohw_entries;
+ for (j = 0; j < adap->params.nports; j++) {
+ int entries;
+ u8 tc;
+
+ port_mqprio = &adap->tc_mqprio->port_mqprio[j];
+ entries = 0;
+ for (tc = 0; tc < port_mqprio->mqprio.qopt.num_tc; tc++)
+ entries += port_mqprio->mqprio.qopt.count[tc];
+
+ if (!entries)
+ continue;
+
+ eosw_entries = DIV_ROUND_UP(entries, 4);
+ if (r < eosw_entries) {
+ const struct sge_eosw_txq *tx;
+
+ n = min(4, entries - 4 * r);
+ tx = &port_mqprio->eosw_txq[4 * r];
+
+ S("QType:", "EOSW-TXQ");
+ S("Interface:",
+ adap->port[j] ? adap->port[j]->name : "N/A");
+ T("EOTID:", hwtid);
+ T("HWQID:", hwqid);
+ T("State:", state);
+ T("Size:", ndesc);
+ T("In-Use:", inuse);
+ T("Credits:", cred);
+ T("Compl:", ncompl);
+ T("Last-Compl:", last_compl);
+ T("PIDX:", pidx);
+ T("Last-PIDX:", last_pidx);
+ T("CIDX:", cidx);
+ T("Last-CIDX:", last_cidx);
+ T("FLOWC-IDX:", flowc_idx);
+
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
+ goto out;
+ }
+
+ r -= eosw_entries;
+ }
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
+
+skip_mqprio:
+ if (!is_uld(adap))
+ goto skip_uld;
+
+ mutex_lock(&uld_mutex);
+ if (s->uld_txq_info)
+ for (i = 0; i < ARRAY_SIZE(uld_txq_entries); i++)
+ uld_txq_entries[i] = sge_qinfo_uld_txq_entries(adap, i);
+
+ if (s->uld_rxq_info) {
+ for (i = 0; i < ARRAY_SIZE(uld_rxq_entries); i++) {
+ uld_rxq_entries[i] = sge_qinfo_uld_rxq_entries(adap, i);
+ uld_ciq_entries[i] = sge_qinfo_uld_ciq_entries(adap, i);
+ }
}
- r -= eo_entries;
if (r < uld_txq_entries[CXGB4_TX_OFLD]) {
const struct sge_uld_txq *tx;
@@ -2994,6 +3045,9 @@ do { \
}
r -= uld_txq_entries[CXGB4_TX_CRYPTO];
+ mutex_unlock(&uld_mutex);
+
+skip_uld:
if (r < ctrl_entries) {
const struct sge_ctrl_txq *tx = &s->ctrlq[r * 4];
@@ -3008,7 +3062,7 @@ do { \
TL("TxQFull:", q.stops);
TL("TxQRestarts:", q.restarts);
- goto unlock;
+ goto out;
}
r -= ctrl_entries;
@@ -3026,11 +3080,9 @@ do { \
seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
s->counter_val[evtq->pktcnt_idx]);
- goto unlock;
+ goto out;
}
-unlock:
- mutex_unlock(&uld_mutex);
#undef R
#undef RL
#undef T
@@ -3039,13 +3091,38 @@ unlock:
#undef R3
#undef T3
#undef S3
+out:
+ return 0;
+
+unlock:
+ mutex_unlock(&uld_mutex);
return 0;
}
static int sge_queue_entries(const struct adapter *adap)
{
- int tot_uld_entries = 0;
- int i;
+ int i, tot_uld_entries = 0, eohw_entries = 0, eosw_entries = 0;
+
+ if (adap->tc_mqprio) {
+ struct cxgb4_tc_port_mqprio *port_mqprio;
+ u8 tc;
+
+ mutex_lock(&adap->tc_mqprio->mqprio_mutex);
+ if (adap->sge.eohw_txq)
+ eohw_entries = DIV_ROUND_UP(adap->sge.eoqsets, 4);
+
+ for (i = 0; i < adap->params.nports; i++) {
+ u32 entries = 0;
+
+ port_mqprio = &adap->tc_mqprio->port_mqprio[i];
+ for (tc = 0; tc < port_mqprio->mqprio.qopt.num_tc; tc++)
+ entries += port_mqprio->mqprio.qopt.count[tc];
+
+ if (entries)
+ eosw_entries += DIV_ROUND_UP(entries, 4);
+ }
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
+ }
if (!is_uld(adap))
goto lld_only;
@@ -3062,8 +3139,7 @@ static int sge_queue_entries(const struct adapter *adap)
lld_only:
return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
- (adap->sge.eohw_txq ? DIV_ROUND_UP(adap->sge.eoqsets, 4) : 0) +
- tot_uld_entries +
+ eohw_entries + eosw_entries + tot_uld_entries +
DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
}
@@ -3244,6 +3320,10 @@ static int tid_info_show(struct seq_file *seq, void *v)
if (t->nhpftids)
seq_printf(seq, "HPFTID range: %u..%u\n", t->hpftid_base,
t->hpftid_base + t->nhpftids - 1);
+ if (t->neotids)
+ seq_printf(seq, "EOTID range: %u..%u, in use: %u\n",
+ t->eotid_base, t->eotid_base + t->neotids - 1,
+ atomic_read(&t->eotids_in_use));
if (t->ntids)
seq_printf(seq, "HW TID usage: %u IP users, %u IPv6 users\n",
t4_read_reg(adap, LE_DB_ACT_CNT_IPV4_A),
@@ -3411,6 +3491,8 @@ static int chcr_stats_show(struct seq_file *seq, void *v)
atomic_read(&adap->chcr_stats.tls_key));
#ifdef CONFIG_CHELSIO_TLS_DEVICE
seq_puts(seq, "\nChelsio KTLS Crypto Accelerator Stats\n");
+ seq_printf(seq, "Tx TLS offload refcount: %20u\n",
+ refcount_read(&adap->chcr_ktls.ktls_refcount));
seq_printf(seq, "Tx HW offload contexts added: %20llu\n",
atomic64_read(&adap->chcr_stats.ktls_tx_ctx));
seq_printf(seq, "Tx connection created: %20llu\n",
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index a70018f067aa..854b1717a70d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -66,6 +66,9 @@
#include <linux/crash_dump.h>
#include <net/udp_tunnel.h>
#include <net/xfrm.h>
+#if defined(CONFIG_CHELSIO_TLS_DEVICE)
+#include <net/tls.h>
+#endif
#include "cxgb4.h"
#include "cxgb4_filter.h"
@@ -180,6 +183,7 @@ static struct dentry *cxgb4_debugfs_root;
LIST_HEAD(adapter_list);
DEFINE_MUTEX(uld_mutex);
+LIST_HEAD(uld_list);
static int cfg_queues(struct adapter *adap);
@@ -1579,6 +1583,7 @@ static int tid_init(struct tid_info *t)
atomic_set(&t->tids_in_use, 0);
atomic_set(&t->conns_in_use, 0);
atomic_set(&t->hash_tids_in_use, 0);
+ atomic_set(&t->eotids_in_use, 0);
/* Setup the free list for atid_tab and clear the stid bitmap. */
if (natids) {
@@ -3021,7 +3026,7 @@ static int cxgb4_mgmt_set_vf_rate(struct net_device *dev, int vf,
SCHED_CLASS_RATEUNIT_BITS,
SCHED_CLASS_RATEMODE_ABS,
pi->tx_chan, class_id, 0,
- max_tx_rate * 1000, 0, pktsize);
+ max_tx_rate * 1000, 0, pktsize, 0);
if (ret) {
dev_err(adap->pdev_dev, "Err %d for Traffic Class config\n",
ret);
@@ -6062,6 +6067,79 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs)
}
#endif /* CONFIG_PCI_IOV */
+#if defined(CONFIG_CHELSIO_TLS_DEVICE)
+
+static int cxgb4_ktls_dev_add(struct net_device *netdev, struct sock *sk,
+ enum tls_offload_ctx_dir direction,
+ struct tls_crypto_info *crypto_info,
+ u32 tcp_sn)
+{
+ struct adapter *adap = netdev2adap(netdev);
+ int ret = 0;
+
+ mutex_lock(&uld_mutex);
+ if (!adap->uld[CXGB4_ULD_CRYPTO].handle) {
+ dev_err(adap->pdev_dev, "chcr driver is not loaded\n");
+ ret = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
+ if (!adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops) {
+ dev_err(adap->pdev_dev,
+ "chcr driver has no registered tlsdev_ops()\n");
+ ret = -EOPNOTSUPP;
+ goto out_unlock;
+ }
+
+ ret = cxgb4_set_ktls_feature(adap, FW_PARAMS_PARAM_DEV_KTLS_HW_ENABLE);
+ if (ret)
+ goto out_unlock;
+
+ ret = adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops->tls_dev_add(netdev, sk,
+ direction,
+ crypto_info,
+ tcp_sn);
+ /* if there is a failure, clear the refcount */
+ if (ret)
+ cxgb4_set_ktls_feature(adap,
+ FW_PARAMS_PARAM_DEV_KTLS_HW_DISABLE);
+out_unlock:
+ mutex_unlock(&uld_mutex);
+ return ret;
+}
+
+static void cxgb4_ktls_dev_del(struct net_device *netdev,
+ struct tls_context *tls_ctx,
+ enum tls_offload_ctx_dir direction)
+{
+ struct adapter *adap = netdev2adap(netdev);
+
+ mutex_lock(&uld_mutex);
+ if (!adap->uld[CXGB4_ULD_CRYPTO].handle) {
+ dev_err(adap->pdev_dev, "chcr driver is not loaded\n");
+ goto out_unlock;
+ }
+
+ if (!adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops) {
+ dev_err(adap->pdev_dev,
+ "chcr driver has no registered tlsdev_ops\n");
+ goto out_unlock;
+ }
+
+ adap->uld[CXGB4_ULD_CRYPTO].tlsdev_ops->tls_dev_del(netdev, tls_ctx,
+ direction);
+ cxgb4_set_ktls_feature(adap, FW_PARAMS_PARAM_DEV_KTLS_HW_DISABLE);
+
+out_unlock:
+ mutex_unlock(&uld_mutex);
+}
+
+static const struct tlsdev_ops cxgb4_ktls_ops = {
+ .tls_dev_add = cxgb4_ktls_dev_add,
+ .tls_dev_del = cxgb4_ktls_dev_del,
+};
+#endif /* CONFIG_CHELSIO_TLS_DEVICE */
+
static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev;
@@ -6311,7 +6389,14 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netdev->hw_features |= NETIF_F_HIGHDMA;
netdev->features |= netdev->hw_features;
netdev->vlan_features = netdev->features & VLAN_FEAT;
-
+#if defined(CONFIG_CHELSIO_TLS_DEVICE)
+ if (pi->adapter->params.crypto & FW_CAPS_CONFIG_TLS_HW) {
+ netdev->hw_features |= NETIF_F_HW_TLS_TX;
+ netdev->tlsdev_ops = &cxgb4_ktls_ops;
+ /* initialize the refcount */
+ refcount_set(&pi->adapter->chcr_ktls.ktls_refcount, 0);
+ }
+#endif
netdev->priv_flags |= IFF_UNICAST_FLT;
/* MTU range: 81 - 9600 */
@@ -6518,11 +6603,8 @@ fw_attach_fail:
/* PCIe EEH recovery on powerpc platforms needs fundamental reset */
pdev->needs_freset = 1;
- if (is_uld(adapter)) {
- mutex_lock(&uld_mutex);
- list_add_tail(&adapter->list_node, &adapter_list);
- mutex_unlock(&uld_mutex);
- }
+ if (is_uld(adapter))
+ cxgb4_uld_enable(adapter);
if (!is_t4(adapter->params.chip))
cxgb4_ptp_init(adapter);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
index af1f40cbccc8..f5bc996ac77d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ptp.c
@@ -311,32 +311,17 @@ static int cxgb4_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
*/
static int cxgb4_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
- struct adapter *adapter = (struct adapter *)container_of(ptp,
- struct adapter, ptp_clock_info);
- struct fw_ptp_cmd c;
+ struct adapter *adapter = container_of(ptp, struct adapter,
+ ptp_clock_info);
u64 ns;
- int err;
-
- memset(&c, 0, sizeof(c));
- c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PTP_CMD) |
- FW_CMD_REQUEST_F |
- FW_CMD_READ_F |
- FW_PTP_CMD_PORTID_V(0));
- c.retval_len16 = cpu_to_be32(FW_CMD_LEN16_V(sizeof(c) / 16));
- c.u.ts.sc = FW_PTP_SC_GET_TIME;
- err = t4_wr_mbox(adapter, adapter->mbox, &c, sizeof(c), &c);
- if (err < 0) {
- dev_err(adapter->pdev_dev,
- "PTP: %s error %d\n", __func__, -err);
- return err;
- }
+ ns = t4_read_reg(adapter, T5_PORT_REG(0, MAC_PORT_PTP_SUM_LO_A));
+ ns |= (u64)t4_read_reg(adapter,
+ T5_PORT_REG(0, MAC_PORT_PTP_SUM_HI_A)) << 32;
/* convert to timespec*/
- ns = be64_to_cpu(c.u.ts.tm);
*ts = ns_to_timespec64(ns);
-
- return err;
+ return 0;
}
/**
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
index e6af4906d674..ae7123a9de8e 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.c
@@ -342,6 +342,13 @@ static int cxgb4_mqprio_alloc_tc(struct net_device *dev,
p.u.params.minrate = div_u64(mqprio->min_rate[i] * 8, 1000);
p.u.params.maxrate = div_u64(mqprio->max_rate[i] * 8, 1000);
+ /* Request larger burst buffer for smaller MTU, so
+ * that hardware can work on more data per burst
+ * cycle.
+ */
+ if (dev->mtu <= ETH_DATA_LEN)
+ p.u.params.burstsize = 8 * dev->mtu;
+
e = cxgb4_sched_class_alloc(dev, &p);
if (!e) {
ret = -ENOMEM;
@@ -567,6 +574,7 @@ static void cxgb4_mqprio_disable_offload(struct net_device *dev)
int cxgb4_setup_tc_mqprio(struct net_device *dev,
struct tc_mqprio_qopt_offload *mqprio)
{
+ struct adapter *adap = netdev2adap(dev);
bool needs_bring_up = false;
int ret;
@@ -574,6 +582,8 @@ int cxgb4_setup_tc_mqprio(struct net_device *dev,
if (ret)
return ret;
+ mutex_lock(&adap->tc_mqprio->mqprio_mutex);
+
/* To configure tc params, the current allocated EOTIDs must
* be freed up. However, they can't be freed up if there's
* traffic running on the interface. So, ensure interface is
@@ -609,6 +619,7 @@ out:
if (needs_bring_up)
cxgb_open(dev);
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
return ret;
}
@@ -621,6 +632,7 @@ void cxgb4_mqprio_stop_offload(struct adapter *adap)
if (!adap->tc_mqprio || !adap->tc_mqprio->port_mqprio)
return;
+ mutex_lock(&adap->tc_mqprio->mqprio_mutex);
for_each_port(adap, i) {
dev = adap->port[i];
if (!dev)
@@ -632,6 +644,7 @@ void cxgb4_mqprio_stop_offload(struct adapter *adap)
cxgb4_mqprio_disable_offload(dev);
}
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
}
int cxgb4_init_tc_mqprio(struct adapter *adap)
@@ -653,6 +666,8 @@ int cxgb4_init_tc_mqprio(struct adapter *adap)
goto out_free_mqprio;
}
+ mutex_init(&tc_mqprio->mqprio_mutex);
+
tc_mqprio->port_mqprio = tc_port_mqprio;
for (i = 0; i < adap->params.nports; i++) {
port_mqprio = &tc_mqprio->port_mqprio[i];
@@ -687,6 +702,7 @@ void cxgb4_cleanup_tc_mqprio(struct adapter *adap)
u8 i;
if (adap->tc_mqprio) {
+ mutex_lock(&adap->tc_mqprio->mqprio_mutex);
if (adap->tc_mqprio->port_mqprio) {
for (i = 0; i < adap->params.nports; i++) {
struct net_device *dev = adap->port[i];
@@ -698,6 +714,7 @@ void cxgb4_cleanup_tc_mqprio(struct adapter *adap)
}
kfree(adap->tc_mqprio->port_mqprio);
}
+ mutex_unlock(&adap->tc_mqprio->mqprio_mutex);
kfree(adap->tc_mqprio);
}
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
index ff8794132b22..be96f1dc0372 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_mqprio.h
@@ -33,6 +33,7 @@ struct cxgb4_tc_port_mqprio {
struct cxgb4_tc_mqprio {
refcount_t refcnt; /* Refcount for adapter-wide resources */
+ struct mutex mqprio_mutex; /* Lock for accessing MQPRIO info */
struct cxgb4_tc_port_mqprio *port_mqprio; /* Per port MQPRIO info */
};
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
index e65b52375dd8..0307e9c69a47 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
@@ -174,13 +174,14 @@ static int
setup_sge_queues_uld(struct adapter *adap, unsigned int uld_type, bool lro)
{
struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type];
- int i, ret = 0;
+ int i, ret;
- ret = !(!alloc_uld_rxqs(adap, rxq_info, lro));
+ ret = alloc_uld_rxqs(adap, rxq_info, lro);
+ if (ret)
+ return ret;
/* Tell uP to route control queue completions to rdma rspq */
- if (adap->flags & CXGB4_FULL_INIT_DONE &&
- !ret && uld_type == CXGB4_ULD_RDMA) {
+ if (adap->flags & CXGB4_FULL_INIT_DONE && uld_type == CXGB4_ULD_RDMA) {
struct sge *s = &adap->sge;
unsigned int cmplqid;
u32 param, cmdop;
@@ -662,25 +663,129 @@ static int uld_attach(struct adapter *adap, unsigned int uld)
return 0;
}
+static bool cxgb4_uld_in_use(struct adapter *adap)
+{
+ const struct tid_info *t = &adap->tids;
+
+ return (atomic_read(&t->conns_in_use) || t->stids_in_use);
+}
+
#ifdef CONFIG_CHELSIO_TLS_DEVICE
/* cxgb4_set_ktls_feature: request FW to enable/disable ktls settings.
* @adap: adapter info
* @enable: 1 to enable / 0 to disable ktls settings.
*/
-static void cxgb4_set_ktls_feature(struct adapter *adap, bool enable)
+int cxgb4_set_ktls_feature(struct adapter *adap, bool enable)
{
- u32 params = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
- FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_KTLS_TX_HW) |
- FW_PARAMS_PARAM_Y_V(enable));
int ret = 0;
+ u32 params =
+ FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
+ FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_KTLS_HW) |
+ FW_PARAMS_PARAM_Y_V(enable) |
+ FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_KTLS_HW_USER_ENABLE);
+
+ if (enable) {
+ if (!refcount_read(&adap->chcr_ktls.ktls_refcount)) {
+ /* At this moment if ULD connection are up means, other
+ * ULD is/are already active, return failure.
+ */
+ if (cxgb4_uld_in_use(adap)) {
+ dev_warn(adap->pdev_dev,
+ "ULD connections (tid/stid) active. Can't enable kTLS\n");
+ return -EINVAL;
+ }
+ ret = t4_set_params(adap, adap->mbox, adap->pf,
+ 0, 1, &params, &params);
+ if (ret)
+ return ret;
+ refcount_set(&adap->chcr_ktls.ktls_refcount, 1);
+ pr_info("kTLS has been enabled. Restrictions placed on ULD support\n");
+ } else {
+ /* ktls settings already up, just increment refcount. */
+ refcount_inc(&adap->chcr_ktls.ktls_refcount);
+ }
+ } else {
+ /* return failure if refcount is already 0. */
+ if (!refcount_read(&adap->chcr_ktls.ktls_refcount))
+ return -EINVAL;
+ /* decrement refcount and test, if 0, disable ktls feature,
+ * else return command success.
+ */
+ if (refcount_dec_and_test(&adap->chcr_ktls.ktls_refcount)) {
+ ret = t4_set_params(adap, adap->mbox, adap->pf,
+ 0, 1, &params, &params);
+ if (ret)
+ return ret;
+ pr_info("kTLS is disabled. Restrictions on ULD support removed\n");
+ }
+ }
- ret = t4_set_params(adap, adap->mbox, adap->pf, 0, 1, &params, &params);
- /* if fw returns failure, clear the ktls flag */
- if (ret)
- adap->params.crypto &= ~ULP_CRYPTO_KTLS_INLINE;
+ return ret;
}
#endif
+static void cxgb4_uld_alloc_resources(struct adapter *adap,
+ enum cxgb4_uld type,
+ const struct cxgb4_uld_info *p)
+{
+ int ret = 0;
+
+ if ((type == CXGB4_ULD_CRYPTO && !is_pci_uld(adap)) ||
+ (type != CXGB4_ULD_CRYPTO && !is_offload(adap)))
+ return;
+ if (type == CXGB4_ULD_ISCSIT && is_t4(adap->params.chip))
+ return;
+ ret = cfg_queues_uld(adap, type, p);
+ if (ret)
+ goto out;
+ ret = setup_sge_queues_uld(adap, type, p->lro);
+ if (ret)
+ goto free_queues;
+ if (adap->flags & CXGB4_USING_MSIX) {
+ ret = request_msix_queue_irqs_uld(adap, type);
+ if (ret)
+ goto free_rxq;
+ }
+ if (adap->flags & CXGB4_FULL_INIT_DONE)
+ enable_rx_uld(adap, type);
+ if (adap->uld[type].add)
+ goto free_irq;
+ ret = setup_sge_txq_uld(adap, type, p);
+ if (ret)
+ goto free_irq;
+ adap->uld[type] = *p;
+ ret = uld_attach(adap, type);
+ if (ret)
+ goto free_txq;
+ return;
+free_txq:
+ release_sge_txq_uld(adap, type);
+free_irq:
+ if (adap->flags & CXGB4_FULL_INIT_DONE)
+ quiesce_rx_uld(adap, type);
+ if (adap->flags & CXGB4_USING_MSIX)
+ free_msix_queue_irqs_uld(adap, type);
+free_rxq:
+ free_sge_queues_uld(adap, type);
+free_queues:
+ free_queues_uld(adap, type);
+out:
+ dev_warn(adap->pdev_dev,
+ "ULD registration failed for uld type %d\n", type);
+}
+
+void cxgb4_uld_enable(struct adapter *adap)
+{
+ struct cxgb4_uld_list *uld_entry;
+
+ mutex_lock(&uld_mutex);
+ list_add_tail(&adap->list_node, &adapter_list);
+ list_for_each_entry(uld_entry, &uld_list, list_node)
+ cxgb4_uld_alloc_resources(adap, uld_entry->uld_type,
+ &uld_entry->uld_info);
+ mutex_unlock(&uld_mutex);
+}
+
/* cxgb4_register_uld - register an upper-layer driver
* @type: the ULD type
* @p: the ULD methods
@@ -691,63 +796,23 @@ static void cxgb4_set_ktls_feature(struct adapter *adap, bool enable)
void cxgb4_register_uld(enum cxgb4_uld type,
const struct cxgb4_uld_info *p)
{
+ struct cxgb4_uld_list *uld_entry;
struct adapter *adap;
- int ret = 0;
if (type >= CXGB4_ULD_MAX)
return;
+ uld_entry = kzalloc(sizeof(*uld_entry), GFP_KERNEL);
+ if (!uld_entry)
+ return;
+
+ memcpy(&uld_entry->uld_info, p, sizeof(struct cxgb4_uld_info));
mutex_lock(&uld_mutex);
- list_for_each_entry(adap, &adapter_list, list_node) {
- if ((type == CXGB4_ULD_CRYPTO && !is_pci_uld(adap)) ||
- (type != CXGB4_ULD_CRYPTO && !is_offload(adap)))
- continue;
- if (type == CXGB4_ULD_ISCSIT && is_t4(adap->params.chip))
- continue;
- ret = cfg_queues_uld(adap, type, p);
- if (ret)
- goto out;
- ret = setup_sge_queues_uld(adap, type, p->lro);
- if (ret)
- goto free_queues;
- if (adap->flags & CXGB4_USING_MSIX) {
- ret = request_msix_queue_irqs_uld(adap, type);
- if (ret)
- goto free_rxq;
- }
- if (adap->flags & CXGB4_FULL_INIT_DONE)
- enable_rx_uld(adap, type);
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
- /* send mbox to enable ktls related settings. */
- if (type == CXGB4_ULD_CRYPTO &&
- (adap->params.crypto & FW_CAPS_CONFIG_TX_TLS_HW))
- cxgb4_set_ktls_feature(adap, 1);
-#endif
- if (adap->uld[type].add)
- goto free_irq;
- ret = setup_sge_txq_uld(adap, type, p);
- if (ret)
- goto free_irq;
- adap->uld[type] = *p;
- ret = uld_attach(adap, type);
- if (ret)
- goto free_txq;
- continue;
-free_txq:
- release_sge_txq_uld(adap, type);
-free_irq:
- if (adap->flags & CXGB4_FULL_INIT_DONE)
- quiesce_rx_uld(adap, type);
- if (adap->flags & CXGB4_USING_MSIX)
- free_msix_queue_irqs_uld(adap, type);
-free_rxq:
- free_sge_queues_uld(adap, type);
-free_queues:
- free_queues_uld(adap, type);
-out:
- dev_warn(adap->pdev_dev,
- "ULD registration failed for uld type %d\n", type);
- }
+ list_for_each_entry(adap, &adapter_list, list_node)
+ cxgb4_uld_alloc_resources(adap, type, p);
+
+ uld_entry->uld_type = type;
+ list_add_tail(&uld_entry->list_node, &uld_list);
mutex_unlock(&uld_mutex);
return;
}
@@ -761,6 +826,7 @@ EXPORT_SYMBOL(cxgb4_register_uld);
*/
int cxgb4_unregister_uld(enum cxgb4_uld type)
{
+ struct cxgb4_uld_list *uld_entry, *tmp;
struct adapter *adap;
if (type >= CXGB4_ULD_MAX)
@@ -775,13 +841,13 @@ int cxgb4_unregister_uld(enum cxgb4_uld type)
continue;
cxgb4_shutdown_uld_adapter(adap, type);
+ }
-#ifdef CONFIG_CHELSIO_TLS_DEVICE
- /* send mbox to disable ktls related settings. */
- if (type == CXGB4_ULD_CRYPTO &&
- (adap->params.crypto & FW_CAPS_CONFIG_TX_TLS_HW))
- cxgb4_set_ktls_feature(adap, 0);
-#endif
+ list_for_each_entry_safe(uld_entry, tmp, &uld_list, list_node) {
+ if (uld_entry->uld_type == type) {
+ list_del(&uld_entry->list_node);
+ kfree(uld_entry);
+ }
}
mutex_unlock(&uld_mutex);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index be831317520a..dbce99b209d6 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -147,6 +147,9 @@ struct tid_info {
/* TIDs in the HASH */
atomic_t hash_tids_in_use;
atomic_t conns_in_use;
+ /* ETHOFLD TIDs used for rate limiting */
+ atomic_t eotids_in_use;
+
/* lock for setting/clearing filter bitmap */
spinlock_t ftid_lock;
@@ -221,12 +224,14 @@ static inline void cxgb4_alloc_eotid(struct tid_info *t, u32 eotid, void *data)
{
set_bit(eotid, t->eotid_bmap);
t->eotid_tab[eotid].data = data;
+ atomic_inc(&t->eotids_in_use);
}
static inline void cxgb4_free_eotid(struct tid_info *t, u32 eotid)
{
clear_bit(eotid, t->eotid_bmap);
t->eotid_tab[eotid].data = NULL;
+ atomic_dec(&t->eotids_in_use);
}
int cxgb4_alloc_atid(struct tid_info *t, void *data);
@@ -263,6 +268,10 @@ struct filter_ctx {
u32 tid; /* to store tid */
};
+struct chcr_ktls {
+ refcount_t ktls_refcount;
+};
+
struct ch_filter_specification;
int cxgb4_get_free_ftid(struct net_device *dev, u8 family, bool hash_en,
@@ -322,6 +331,7 @@ enum cxgb4_control {
CXGB4_CONTROL_DB_DROP,
};
+struct adapter;
struct pci_dev;
struct l2t_data;
struct net_device;
@@ -458,8 +468,12 @@ struct cxgb4_uld_info {
struct napi_struct *napi);
void (*lro_flush)(struct t4_lro_mgr *);
int (*tx_handler)(struct sk_buff *skb, struct net_device *dev);
+#if IS_ENABLED(CONFIG_TLS_DEVICE)
+ const struct tlsdev_ops *tlsdev_ops;
+#endif
};
+void cxgb4_uld_enable(struct adapter *adap);
void cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p);
int cxgb4_unregister_uld(enum cxgb4_uld type);
int cxgb4_ofld_send(struct net_device *dev, struct sk_buff *skb);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.c b/drivers/net/ethernet/chelsio/cxgb4/sched.c
index cebe1412d960..fde93c50cfec 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sched.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sched.c
@@ -57,7 +57,8 @@ static int t4_sched_class_fw_cmd(struct port_info *pi,
p->u.params.ratemode,
p->u.params.channel, e->idx,
p->u.params.minrate, p->u.params.maxrate,
- p->u.params.weight, p->u.params.pktsize);
+ p->u.params.weight, p->u.params.pktsize,
+ p->u.params.burstsize);
break;
default:
err = -ENOTSUPP;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index f5dd34db4b54..1359158652b7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2091,10 +2091,9 @@ static inline u8 ethofld_calc_tx_flits(struct adapter *adap,
return flits + nsgl;
}
-static inline void *write_eo_wr(struct adapter *adap,
- struct sge_eosw_txq *eosw_txq,
- struct sk_buff *skb, struct fw_eth_tx_eo_wr *wr,
- u32 hdr_len, u32 wrlen)
+static void *write_eo_wr(struct adapter *adap, struct sge_eosw_txq *eosw_txq,
+ struct sk_buff *skb, struct fw_eth_tx_eo_wr *wr,
+ u32 hdr_len, u32 wrlen)
{
const struct skb_shared_info *ssi = skb_shinfo(skb);
struct cpl_tx_pkt_core *cpl;
@@ -2113,7 +2112,8 @@ static inline void *write_eo_wr(struct adapter *adap,
immd_len += hdr_len;
if (!eosw_txq->ncompl ||
- eosw_txq->last_compl >= adap->params.ofldq_wr_cred / 2) {
+ (eosw_txq->last_compl + wrlen16) >=
+ (adap->params.ofldq_wr_cred / 2)) {
compl = true;
eosw_txq->ncompl++;
eosw_txq->last_compl = 0;
@@ -2153,8 +2153,8 @@ static inline void *write_eo_wr(struct adapter *adap,
return cpl;
}
-static void ethofld_hard_xmit(struct net_device *dev,
- struct sge_eosw_txq *eosw_txq)
+static int ethofld_hard_xmit(struct net_device *dev,
+ struct sge_eosw_txq *eosw_txq)
{
struct port_info *pi = netdev2pinfo(dev);
struct adapter *adap = netdev2adap(dev);
@@ -2167,8 +2167,8 @@ static void ethofld_hard_xmit(struct net_device *dev,
bool skip_eotx_wr = false;
struct tx_sw_desc *d;
struct sk_buff *skb;
+ int left, ret = 0;
u8 flits, ndesc;
- int left;
eohw_txq = &adap->sge.eohw_txq[eosw_txq->hwqid];
spin_lock(&eohw_txq->lock);
@@ -2198,15 +2198,26 @@ static void ethofld_hard_xmit(struct net_device *dev,
wrlen = flits * 8;
wrlen16 = DIV_ROUND_UP(wrlen, 16);
- /* If there are no CPL credits, then wait for credits
- * to come back and retry again
+ left = txq_avail(&eohw_txq->q) - ndesc;
+
+ /* If there are no descriptors left in hardware queues or no
+ * CPL credits left in software queues, then wait for them
+ * to come back and retry again. Note that we always request
+ * for credits update via interrupt for every half credits
+ * consumed. So, the interrupt will eventually restore the
+ * credits and invoke the Tx path again.
*/
- if (unlikely(wrlen16 > eosw_txq->cred))
+ if (unlikely(left < 0 || wrlen16 > eosw_txq->cred)) {
+ ret = -ENOMEM;
goto out_unlock;
+ }
if (unlikely(skip_eotx_wr)) {
start = (u64 *)wr;
eosw_txq->state = next_state;
+ eosw_txq->cred -= wrlen16;
+ eosw_txq->ncompl++;
+ eosw_txq->last_compl = 0;
goto write_wr_headers;
}
@@ -2228,7 +2239,8 @@ write_wr_headers:
sgl = (u64 *)inline_tx_skb_header(skb, &eohw_txq->q, (void *)start,
hdr_len);
if (data_len) {
- if (unlikely(cxgb4_map_skb(adap->pdev_dev, skb, d->addr))) {
+ ret = cxgb4_map_skb(adap->pdev_dev, skb, d->addr);
+ if (unlikely(ret)) {
memset(d->addr, 0, sizeof(d->addr));
eohw_txq->mapping_err++;
goto out_unlock;
@@ -2274,12 +2286,13 @@ write_wr_headers:
out_unlock:
spin_unlock(&eohw_txq->lock);
+ return ret;
}
static void ethofld_xmit(struct net_device *dev, struct sge_eosw_txq *eosw_txq)
{
struct sk_buff *skb;
- int pktcount;
+ int pktcount, ret;
switch (eosw_txq->state) {
case CXGB4_EO_STATE_ACTIVE:
@@ -2304,7 +2317,9 @@ static void ethofld_xmit(struct net_device *dev, struct sge_eosw_txq *eosw_txq)
continue;
}
- ethofld_hard_xmit(dev, eosw_txq);
+ ret = ethofld_hard_xmit(dev, eosw_txq);
+ if (ret)
+ break;
}
}
@@ -2365,6 +2380,34 @@ netdev_tx_t t4_start_xmit(struct sk_buff *skb, struct net_device *dev)
return cxgb4_eth_xmit(skb, dev);
}
+static void eosw_txq_flush_pending_skbs(struct sge_eosw_txq *eosw_txq)
+{
+ int pktcount = eosw_txq->pidx - eosw_txq->last_pidx;
+ int pidx = eosw_txq->pidx;
+ struct sk_buff *skb;
+
+ if (!pktcount)
+ return;
+
+ if (pktcount < 0)
+ pktcount += eosw_txq->ndesc;
+
+ while (pktcount--) {
+ pidx--;
+ if (pidx < 0)
+ pidx += eosw_txq->ndesc;
+
+ skb = eosw_txq->desc[pidx].skb;
+ if (skb) {
+ dev_consume_skb_any(skb);
+ eosw_txq->desc[pidx].skb = NULL;
+ eosw_txq->inuse--;
+ }
+ }
+
+ eosw_txq->pidx = eosw_txq->last_pidx + 1;
+}
+
/**
* cxgb4_ethofld_send_flowc - Send ETHOFLD flowc request to bind eotid to tc.
* @dev - netdevice
@@ -2440,9 +2483,11 @@ int cxgb4_ethofld_send_flowc(struct net_device *dev, u32 eotid, u32 tc)
FW_FLOWC_MNEM_EOSTATE_CLOSING :
FW_FLOWC_MNEM_EOSTATE_ESTABLISHED);
- eosw_txq->cred -= len16;
- eosw_txq->ncompl++;
- eosw_txq->last_compl = 0;
+ /* Free up any pending skbs to ensure there's room for
+ * termination FLOWC.
+ */
+ if (tc == FW_SCHED_CLS_NONE)
+ eosw_txq_flush_pending_skbs(eosw_txq);
ret = eosw_txq_enqueue(eosw_txq, skb);
if (ret) {
@@ -2695,6 +2740,7 @@ static void ofldtxq_stop(struct sge_uld_txq *q, struct fw_wr_hdr *wr)
* is ever running at a time ...
*/
static void service_ofldq(struct sge_uld_txq *q)
+ __must_hold(&q->sendq.lock)
{
u64 *pos, *before, *end;
int credits;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 2a3480fc1d91..1c8068c02728 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -10361,9 +10361,10 @@ int t4_sge_ctxt_rd_bd(struct adapter *adap, unsigned int cid,
return ret;
}
-int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
- int rateunit, int ratemode, int channel, int class,
- int minrate, int maxrate, int weight, int pktsize)
+int t4_sched_params(struct adapter *adapter, u8 type, u8 level, u8 mode,
+ u8 rateunit, u8 ratemode, u8 channel, u8 class,
+ u32 minrate, u32 maxrate, u16 weight, u16 pktsize,
+ u16 burstsize)
{
struct fw_sched_cmd cmd;
@@ -10385,6 +10386,7 @@ int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
cmd.u.params.max = cpu_to_be32(maxrate);
cmd.u.params.weight = cpu_to_be16(weight);
cmd.u.params.pktsize = cpu_to_be16(pktsize);
+ cmd.u.params.burstsize = cpu_to_be16(burstsize);
return t4_wr_mbox_meat(adapter, adapter->mbox, &cmd, sizeof(cmd),
NULL, 1);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
index bb20e50ddb84..4a9fcd6c226c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
@@ -1906,6 +1906,9 @@
#define MAC_PORT_CFG2_A 0x818
+#define MAC_PORT_PTP_SUM_LO_A 0x990
+#define MAC_PORT_PTP_SUM_HI_A 0x994
+
#define MPS_CMN_CTL_A 0x9000
#define COUNTPAUSEMCRX_S 5
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 68fe734b9b37..0a326c054707 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -1205,7 +1205,7 @@ enum fw_caps_config_crypto {
FW_CAPS_CONFIG_CRYPTO_LOOKASIDE = 0x00000001,
FW_CAPS_CONFIG_TLS_INLINE = 0x00000002,
FW_CAPS_CONFIG_IPSEC_INLINE = 0x00000004,
- FW_CAPS_CONFIG_TX_TLS_HW = 0x00000008,
+ FW_CAPS_CONFIG_TLS_HW = 0x00000008,
};
enum fw_caps_config_fcoe {
@@ -1329,7 +1329,7 @@ enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_DBQ_TIMERTICK = 0x2A,
FW_PARAMS_PARAM_DEV_NUM_TM_CLASS = 0x2B,
FW_PARAMS_PARAM_DEV_FILTER = 0x2E,
- FW_PARAMS_PARAM_DEV_KTLS_TX_HW = 0x31,
+ FW_PARAMS_PARAM_DEV_KTLS_HW = 0x31,
};
/*
@@ -1412,6 +1412,12 @@ enum fw_params_param_dmaq {
FW_PARAMS_PARAM_DMAQ_CONM_CTXT = 0x20,
};
+enum fw_params_param_dev_ktls_hw {
+ FW_PARAMS_PARAM_DEV_KTLS_HW_DISABLE = 0x00,
+ FW_PARAMS_PARAM_DEV_KTLS_HW_ENABLE = 0x01,
+ FW_PARAMS_PARAM_DEV_KTLS_HW_USER_ENABLE = 0x01,
+};
+
enum fw_params_param_dev_phyfw {
FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD = 0x00,
FW_PARAMS_PARAM_DEV_PHYFW_VERSION = 0x01,
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 9cc3541a7e1c..cec865a97464 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -2480,7 +2480,7 @@ static int setup_debugfs(struct adapter *adapter)
for (i = 0; i < ARRAY_SIZE(debugfs_files); i++)
debugfs_create_file(debugfs_files[i].name,
debugfs_files[i].mode,
- adapter->debugfs_root, (void *)adapter,
+ adapter->debugfs_root, adapter,
debugfs_files[i].fops);
return 0;
diff --git a/drivers/net/ethernet/cirrus/Kconfig b/drivers/net/ethernet/cirrus/Kconfig
index 48f3198381bc..8d845f5ee0c5 100644
--- a/drivers/net/ethernet/cirrus/Kconfig
+++ b/drivers/net/ethernet/cirrus/Kconfig
@@ -24,7 +24,7 @@ config CS89x0
---help---
Support for CS89x0 chipset based Ethernet cards. If you have a
network (Ethernet) card of this type, say Y and read the file
- <file:Documentation/networking/device_drivers/cirrus/cs89x0.txt>.
+ <file:Documentation/networking/device_drivers/cirrus/cs89x0.rst>.
To compile this driver as a module, choose M here. The module
will be called cs89x0.
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 5bff5c2be88b..8d13ea370db1 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -1224,7 +1224,8 @@ map_error:
return -ENOMEM;
}
-static int gmac_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t gmac_start_xmit(struct sk_buff *skb,
+ struct net_device *netdev)
{
struct gemini_ethernet_port *port = netdev_priv(netdev);
unsigned short m = (1 << port->txq_order) - 1;
diff --git a/drivers/net/ethernet/dec/tulip/Kconfig b/drivers/net/ethernet/dec/tulip/Kconfig
index 8ce6888ea722..177f36f4b89d 100644
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -114,7 +114,7 @@ config DE4X5
These include the DE425, DE434, DE435, DE450 and DE500 models. If
you have a network card of this type, say Y. More specific
information is contained in
- <file:Documentation/networking/device_drivers/dec/de4x5.txt>.
+ <file:Documentation/networking/device_drivers/dec/de4x5.rst>.
To compile this driver as a module, choose M here. The module will
be called de4x5.
@@ -138,7 +138,7 @@ config DM9102
This driver is for DM9102(A)/DM9132/DM9801 compatible PCI cards from
Davicom (<http://www.davicom.com.tw/>). If you have such a network
(Ethernet) card, say Y. Some information is contained in the file
- <file:Documentation/networking/device_drivers/dec/dmfe.txt>.
+ <file:Documentation/networking/device_drivers/dec/dmfe.rst>.
To compile this driver as a module, choose M here. The module will
be called dmfe.
diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c
index f16853c3c851..0ccd9994ad45 100644
--- a/drivers/net/ethernet/dec/tulip/de4x5.c
+++ b/drivers/net/ethernet/dec/tulip/de4x5.c
@@ -951,7 +951,7 @@ static void reset_init_sia(struct net_device *dev, s32 sicr, s32 strr, s32 si
static int test_ans(struct net_device *dev, s32 irqs, s32 irq_mask, s32 msec);
static int test_tp(struct net_device *dev, s32 msec);
static int EISA_signature(char *name, struct device *device);
-static int PCI_signature(char *name, struct de4x5_private *lp);
+static void PCI_signature(char *name, struct de4x5_private *lp);
static void DevicePresent(struct net_device *dev, u_long iobase);
static void enet_addr_rst(u_long aprom_addr);
static int de4x5_bad_srom(struct de4x5_private *lp);
@@ -3902,14 +3902,14 @@ EISA_signature(char *name, struct device *device)
/*
** Look for a particular board name in the PCI configuration space
*/
-static int
+static void
PCI_signature(char *name, struct de4x5_private *lp)
{
- int i, status = 0, siglen = ARRAY_SIZE(de4x5_signatures);
+ int i, siglen = ARRAY_SIZE(de4x5_signatures);
if (lp->chipset == DC21040) {
strcpy(name, "DE434/5");
- return status;
+ return;
} else { /* Search for a DEC name in the SROM */
int tmp = *((char *)&lp->srom + 19) * 3;
strncpy(name, (char *)&lp->srom + 26 + tmp, 8);
@@ -3935,8 +3935,6 @@ PCI_signature(char *name, struct de4x5_private *lp)
} else if ((lp->chipset & ~0x00ff) == DC2114x) {
lp->useSROM = true;
}
-
- return status;
}
/*
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index 643090555cc7..5143722c4419 100644
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -1869,7 +1869,7 @@ Compile command:
gcc -D__KERNEL__ -DMODULE -I/usr/src/linux/include -Wall -Wstrict-prototypes -O2 -c dl2k.c
-Read Documentation/networking/device_drivers/dlink/dl2k.txt for details.
+Read Documentation/networking/device_drivers/dlink/dl2k.rst for details.
*/
diff --git a/drivers/net/ethernet/dnet.c b/drivers/net/ethernet/dnet.c
index 057a508dd6e2..db98274501a0 100644
--- a/drivers/net/ethernet/dnet.c
+++ b/drivers/net/ethernet/dnet.c
@@ -776,8 +776,7 @@ static int dnet_probe(struct platform_device *pdev)
spin_lock_init(&bp->lock);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- bp->regs = devm_ioremap_resource(&pdev->dev, res);
+ bp->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(bp->regs)) {
err = PTR_ERR(bp->regs);
goto err_out_free_dev;
diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c
index 32cf54f0e35b..473b337b2e3b 100644
--- a/drivers/net/ethernet/faraday/ftmac100.c
+++ b/drivers/net/ethernet/faraday/ftmac100.c
@@ -1057,9 +1057,6 @@ static int ftmac100_probe(struct platform_device *pdev)
struct ftmac100 *priv;
int err;
- if (!pdev)
- return -ENODEV;
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
return -ENXIO;
diff --git a/drivers/net/ethernet/freescale/Kconfig b/drivers/net/ethernet/freescale/Kconfig
index 2bd7ace0a953..bfc6bfe94d0a 100644
--- a/drivers/net/ethernet/freescale/Kconfig
+++ b/drivers/net/ethernet/freescale/Kconfig
@@ -77,6 +77,7 @@ config UCC_GETH
depends on QUICC_ENGINE && PPC32
select FSL_PQ_MDIO
select PHYLIB
+ select FIXED_PHY
---help---
This driver supports the Gigabit Ethernet mode of the QUICC Engine,
which is available on some Freescale SOCs.
@@ -90,6 +91,7 @@ config GIANFAR
depends on HAS_DMA
select FSL_PQ_MDIO
select PHYLIB
+ select FIXED_PHY
select CRC32
---help---
This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
diff --git a/drivers/net/ethernet/freescale/dpaa/Kconfig b/drivers/net/ethernet/freescale/dpaa/Kconfig
index 3b325733a4f8..0a54c7e0e4ae 100644
--- a/drivers/net/ethernet/freescale/dpaa/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa/Kconfig
@@ -3,6 +3,7 @@ menuconfig FSL_DPAA_ETH
tristate "DPAA Ethernet"
depends on FSL_DPAA && FSL_FMAN
select PHYLIB
+ select FIXED_PHY
select FSL_FMAN_MAC
---help---
Data Path Acceleration Architecture Ethernet driver,
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 2cd1f8efdfa3..2972244e6eb0 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2107,7 +2107,7 @@ workaround:
/* Workaround for DPAA_A050385 requires data start to be aligned */
start = PTR_ALIGN(new_skb->data, DPAA_A050385_ALIGN);
- if (start - new_skb->data != 0)
+ if (start - new_skb->data)
skb_reserve(new_skb, start - new_skb->data);
skb_put(new_skb, skb->len);
@@ -2914,7 +2914,7 @@ static int dpaa_eth_probe(struct platform_device *pdev)
}
/* Do this here, so we can be verbose early */
- SET_NETDEV_DEV(net_dev, dev);
+ SET_NETDEV_DEV(net_dev, dev->parent);
dev_set_drvdata(dev, net_dev);
priv = netdev_priv(net_dev);
diff --git a/drivers/net/ethernet/freescale/dpaa2/Kconfig b/drivers/net/ethernet/freescale/dpaa2/Kconfig
index c6fb8e4021ac..feea797cde02 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig
@@ -9,6 +9,16 @@ config FSL_DPAA2_ETH
The driver manages network objects discovered on the Freescale
MC bus.
+if FSL_DPAA2_ETH
+config FSL_DPAA2_ETH_DCB
+ bool "Data Center Bridging (DCB) Support"
+ default n
+ depends on DCB
+ help
+ Enable Priority-Based Flow Control (PFC) support for DPAA2 Ethernet
+ devices.
+endif
+
config FSL_DPAA2_PTP_CLOCK
tristate "Freescale DPAA2 PTP Clock"
depends on FSL_DPAA2_ETH && PTP_1588_CLOCK_QORIQ
diff --git a/drivers/net/ethernet/freescale/dpaa2/Makefile b/drivers/net/ethernet/freescale/dpaa2/Makefile
index 69184ca3b7b9..6e7f33c956bf 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Makefile
+++ b/drivers/net/ethernet/freescale/dpaa2/Makefile
@@ -7,6 +7,7 @@ obj-$(CONFIG_FSL_DPAA2_ETH) += fsl-dpaa2-eth.o
obj-$(CONFIG_FSL_DPAA2_PTP_CLOCK) += fsl-dpaa2-ptp.o
fsl-dpaa2-eth-objs := dpaa2-eth.o dpaa2-ethtool.o dpni.o dpaa2-mac.o dpmac.o
+fsl-dpaa2-eth-${CONFIG_FSL_DPAA2_ETH_DCB} += dpaa2-eth-dcb.o
fsl-dpaa2-eth-${CONFIG_DEBUG_FS} += dpaa2-eth-debugfs.o
fsl-dpaa2-ptp-objs := dpaa2-ptp.o dprtc.o
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-dcb.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-dcb.c
new file mode 100644
index 000000000000..83dee575c2fa
--- /dev/null
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-dcb.c
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/* Copyright 2020 NXP */
+
+#include "dpaa2-eth.h"
+
+static int dpaa2_eth_dcbnl_ieee_getpfc(struct net_device *net_dev,
+ struct ieee_pfc *pfc)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+
+ if (!(priv->link_state.options & DPNI_LINK_OPT_PFC_PAUSE))
+ return 0;
+
+ memcpy(pfc, &priv->pfc, sizeof(priv->pfc));
+ pfc->pfc_cap = dpaa2_eth_tc_count(priv);
+
+ return 0;
+}
+
+static inline bool is_prio_enabled(u8 pfc_en, u8 tc)
+{
+ return !!(pfc_en & (1 << tc));
+}
+
+static int set_pfc_cn(struct dpaa2_eth_priv *priv, u8 pfc_en)
+{
+ struct dpni_congestion_notification_cfg cfg = {0};
+ int i, err;
+
+ cfg.notification_mode = DPNI_CONG_OPT_FLOW_CONTROL;
+ cfg.units = DPNI_CONGESTION_UNIT_FRAMES;
+ cfg.message_iova = 0ULL;
+ cfg.message_ctx = 0ULL;
+
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ if (is_prio_enabled(pfc_en, i)) {
+ cfg.threshold_entry = DPAA2_ETH_CN_THRESH_ENTRY(priv);
+ cfg.threshold_exit = DPAA2_ETH_CN_THRESH_EXIT(priv);
+ } else {
+ /* For priorities not set in the pfc_en mask, we leave
+ * the congestion thresholds at zero, which effectively
+ * disables generation of PFC frames for them
+ */
+ cfg.threshold_entry = 0;
+ cfg.threshold_exit = 0;
+ }
+
+ err = dpni_set_congestion_notification(priv->mc_io, 0,
+ priv->mc_token,
+ DPNI_QUEUE_RX, i, &cfg);
+ if (err) {
+ netdev_err(priv->net_dev,
+ "dpni_set_congestion_notification failed\n");
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int dpaa2_eth_dcbnl_ieee_setpfc(struct net_device *net_dev,
+ struct ieee_pfc *pfc)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+ struct dpni_link_cfg link_cfg = {0};
+ bool tx_pause;
+ int err;
+
+ if (pfc->mbc || pfc->delay)
+ return -EOPNOTSUPP;
+
+ /* If same PFC enabled mask, nothing to do */
+ if (priv->pfc.pfc_en == pfc->pfc_en)
+ return 0;
+
+ /* We allow PFC configuration even if it won't have any effect until
+ * general pause frames are enabled
+ */
+ tx_pause = dpaa2_eth_tx_pause_enabled(priv->link_state.options);
+ if (!dpaa2_eth_rx_pause_enabled(priv->link_state.options) || !tx_pause)
+ netdev_warn(net_dev, "Pause support must be enabled in order for PFC to work!\n");
+
+ link_cfg.rate = priv->link_state.rate;
+ link_cfg.options = priv->link_state.options;
+ if (pfc->pfc_en)
+ link_cfg.options |= DPNI_LINK_OPT_PFC_PAUSE;
+ else
+ link_cfg.options &= ~DPNI_LINK_OPT_PFC_PAUSE;
+ err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &link_cfg);
+ if (err) {
+ netdev_err(net_dev, "dpni_set_link_cfg failed\n");
+ return err;
+ }
+
+ /* Configure congestion notifications for the enabled priorities */
+ err = set_pfc_cn(priv, pfc->pfc_en);
+ if (err)
+ return err;
+
+ memcpy(&priv->pfc, pfc, sizeof(priv->pfc));
+ priv->pfc_enabled = !!pfc->pfc_en;
+
+ dpaa2_eth_set_rx_taildrop(priv, tx_pause, priv->pfc_enabled);
+
+ return 0;
+}
+
+static u8 dpaa2_eth_dcbnl_getdcbx(struct net_device *net_dev)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+
+ return priv->dcbx_mode;
+}
+
+static u8 dpaa2_eth_dcbnl_setdcbx(struct net_device *net_dev, u8 mode)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+
+ return (mode != (priv->dcbx_mode)) ? 1 : 0;
+}
+
+static u8 dpaa2_eth_dcbnl_getcap(struct net_device *net_dev, int capid, u8 *cap)
+{
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+
+ switch (capid) {
+ case DCB_CAP_ATTR_PFC:
+ *cap = true;
+ break;
+ case DCB_CAP_ATTR_PFC_TCS:
+ *cap = 1 << (dpaa2_eth_tc_count(priv) - 1);
+ break;
+ case DCB_CAP_ATTR_DCBX:
+ *cap = priv->dcbx_mode;
+ break;
+ default:
+ *cap = false;
+ break;
+ }
+
+ return 0;
+}
+
+const struct dcbnl_rtnl_ops dpaa2_eth_dcbnl_ops = {
+ .ieee_getpfc = dpaa2_eth_dcbnl_ieee_getpfc,
+ .ieee_setpfc = dpaa2_eth_dcbnl_ieee_setpfc,
+ .getdcbx = dpaa2_eth_dcbnl_getdcbx,
+ .setdcbx = dpaa2_eth_dcbnl_setdcbx,
+ .getcap = dpaa2_eth_dcbnl_getcap,
+};
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
index a9afe46b837f..c453a23045c1 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth-debugfs.c
@@ -81,8 +81,8 @@ static int dpaa2_dbg_fqs_show(struct seq_file *file, void *offset)
int i, err;
seq_printf(file, "FQ stats for %s:\n", priv->net_dev->name);
- seq_printf(file, "%s%16s%16s%16s%16s\n",
- "VFQID", "CPU", "Type", "Frames", "Pending frames");
+ seq_printf(file, "%s%16s%16s%16s%16s%16s\n",
+ "VFQID", "CPU", "TC", "Type", "Frames", "Pending frames");
for (i = 0; i < priv->num_fqs; i++) {
fq = &priv->fq[i];
@@ -90,9 +90,10 @@ static int dpaa2_dbg_fqs_show(struct seq_file *file, void *offset)
if (err)
fcnt = 0;
- seq_printf(file, "%5d%16d%16s%16llu%16u\n",
+ seq_printf(file, "%5d%16d%16d%16s%16llu%16u\n",
fq->fqid,
fq->target_cpu,
+ fq->tc,
fq_type_to_str(fq),
fq->stats.frames,
fcnt);
@@ -127,16 +128,19 @@ static int dpaa2_dbg_ch_show(struct seq_file *file, void *offset)
int i;
seq_printf(file, "Channel stats for %s:\n", priv->net_dev->name);
- seq_printf(file, "%s%16s%16s%16s%16s\n",
- "CHID", "CPU", "Deq busy", "CDANs", "Buf count");
+ seq_printf(file, "%s%16s%16s%16s%16s%16s%16s\n",
+ "CHID", "CPU", "Deq busy", "Frames", "CDANs",
+ "Avg Frm/CDAN", "Buf count");
for (i = 0; i < priv->num_channels; i++) {
ch = priv->channel[i];
- seq_printf(file, "%4d%16d%16llu%16llu%16d\n",
+ seq_printf(file, "%4d%16d%16llu%16llu%16llu%16llu%16d\n",
ch->ch_id,
ch->nctx.desired_cpu,
ch->stats.dequeue_portal_busy,
+ ch->stats.frames,
ch->stats.cdan,
+ div64_u64(ch->stats.frames, ch->stats.cdan),
ch->buf_count);
}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index b6c46639aa4c..8fb48de5d18c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/* Copyright 2014-2016 Freescale Semiconductor Inc.
- * Copyright 2016-2019 NXP
+ * Copyright 2016-2020 NXP
*/
#include <linux/init.h>
#include <linux/module.h>
@@ -86,7 +86,7 @@ static void free_rx_fd(struct dpaa2_eth_priv *priv,
for (i = 1; i < DPAA2_ETH_MAX_SG_ENTRIES; i++) {
addr = dpaa2_sg_get_addr(&sgt[i]);
sg_vaddr = dpaa2_iova_to_virt(priv->iommu_domain, addr);
- dma_unmap_page(dev, addr, DPAA2_ETH_RX_BUF_SIZE,
+ dma_unmap_page(dev, addr, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
free_pages((unsigned long)sg_vaddr, 0);
@@ -144,7 +144,7 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv,
/* Get the address and length from the S/G entry */
sg_addr = dpaa2_sg_get_addr(sge);
sg_vaddr = dpaa2_iova_to_virt(priv->iommu_domain, sg_addr);
- dma_unmap_page(dev, sg_addr, DPAA2_ETH_RX_BUF_SIZE,
+ dma_unmap_page(dev, sg_addr, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
sg_length = dpaa2_sg_get_len(sge);
@@ -185,7 +185,7 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv,
(page_address(page) - page_address(head_page));
skb_add_rx_frag(skb, i - 1, head_page, page_offset,
- sg_length, DPAA2_ETH_RX_BUF_SIZE);
+ sg_length, priv->rx_buf_size);
}
if (dpaa2_sg_is_final(sge))
@@ -211,7 +211,7 @@ static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count)
for (i = 0; i < count; i++) {
vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]);
- dma_unmap_page(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE,
+ dma_unmap_page(dev, buf_array[i], priv->rx_buf_size,
DMA_BIDIRECTIONAL);
free_pages((unsigned long)vaddr, 0);
}
@@ -244,13 +244,72 @@ static void xdp_release_buf(struct dpaa2_eth_priv *priv,
ch->xdp.drop_cnt = 0;
}
-static int xdp_enqueue(struct dpaa2_eth_priv *priv, struct dpaa2_fd *fd,
- void *buf_start, u16 queue_id)
+static int dpaa2_eth_xdp_flush(struct dpaa2_eth_priv *priv,
+ struct dpaa2_eth_fq *fq,
+ struct dpaa2_eth_xdp_fds *xdp_fds)
+{
+ int total_enqueued = 0, retries = 0, enqueued;
+ struct dpaa2_eth_drv_stats *percpu_extras;
+ int num_fds, err, max_retries;
+ struct dpaa2_fd *fds;
+
+ percpu_extras = this_cpu_ptr(priv->percpu_extras);
+
+ /* try to enqueue all the FDs until the max number of retries is hit */
+ fds = xdp_fds->fds;
+ num_fds = xdp_fds->num;
+ max_retries = num_fds * DPAA2_ETH_ENQUEUE_RETRIES;
+ while (total_enqueued < num_fds && retries < max_retries) {
+ err = priv->enqueue(priv, fq, &fds[total_enqueued],
+ 0, num_fds - total_enqueued, &enqueued);
+ if (err == -EBUSY) {
+ percpu_extras->tx_portal_busy += ++retries;
+ continue;
+ }
+ total_enqueued += enqueued;
+ }
+ xdp_fds->num = 0;
+
+ return total_enqueued;
+}
+
+static void xdp_tx_flush(struct dpaa2_eth_priv *priv,
+ struct dpaa2_eth_channel *ch,
+ struct dpaa2_eth_fq *fq)
+{
+ struct rtnl_link_stats64 *percpu_stats;
+ struct dpaa2_fd *fds;
+ int enqueued, i;
+
+ percpu_stats = this_cpu_ptr(priv->percpu_stats);
+
+ // enqueue the array of XDP_TX frames
+ enqueued = dpaa2_eth_xdp_flush(priv, fq, &fq->xdp_tx_fds);
+
+ /* update statistics */
+ percpu_stats->tx_packets += enqueued;
+ fds = fq->xdp_tx_fds.fds;
+ for (i = 0; i < enqueued; i++) {
+ percpu_stats->tx_bytes += dpaa2_fd_get_len(&fds[i]);
+ ch->stats.xdp_tx++;
+ }
+ for (i = enqueued; i < fq->xdp_tx_fds.num; i++) {
+ xdp_release_buf(priv, ch, dpaa2_fd_get_addr(&fds[i]));
+ percpu_stats->tx_errors++;
+ ch->stats.xdp_tx_err++;
+ }
+ fq->xdp_tx_fds.num = 0;
+}
+
+static void xdp_enqueue(struct dpaa2_eth_priv *priv,
+ struct dpaa2_eth_channel *ch,
+ struct dpaa2_fd *fd,
+ void *buf_start, u16 queue_id)
{
- struct dpaa2_eth_fq *fq;
struct dpaa2_faead *faead;
+ struct dpaa2_fd *dest_fd;
+ struct dpaa2_eth_fq *fq;
u32 ctrl, frc;
- int i, err;
/* Mark the egress frame hardware annotation area as valid */
frc = dpaa2_fd_get_frc(fd);
@@ -267,13 +326,13 @@ static int xdp_enqueue(struct dpaa2_eth_priv *priv, struct dpaa2_fd *fd,
faead->conf_fqid = 0;
fq = &priv->fq[queue_id];
- for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) {
- err = priv->enqueue(priv, fq, fd, 0);
- if (err != -EBUSY)
- break;
- }
+ dest_fd = &fq->xdp_tx_fds.fds[fq->xdp_tx_fds.num++];
+ memcpy(dest_fd, fd, sizeof(*dest_fd));
- return err;
+ if (fq->xdp_tx_fds.num < DEV_MAP_BULK_SIZE)
+ return;
+
+ xdp_tx_flush(priv, ch, fq);
}
static u32 run_xdp(struct dpaa2_eth_priv *priv,
@@ -282,14 +341,11 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
struct dpaa2_fd *fd, void *vaddr)
{
dma_addr_t addr = dpaa2_fd_get_addr(fd);
- struct rtnl_link_stats64 *percpu_stats;
struct bpf_prog *xdp_prog;
struct xdp_buff xdp;
u32 xdp_act = XDP_PASS;
int err;
- percpu_stats = this_cpu_ptr(priv->percpu_stats);
-
rcu_read_lock();
xdp_prog = READ_ONCE(ch->xdp.prog);
@@ -302,6 +358,9 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
xdp_set_data_meta_invalid(&xdp);
xdp.rxq = &ch->xdp_rxq;
+ xdp.frame_sz = DPAA2_ETH_RX_BUF_RAW_SIZE -
+ (dpaa2_fd_get_offset(fd) - XDP_PACKET_HEADROOM);
+
xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp);
/* xdp.data pointer may have changed */
@@ -312,16 +371,7 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
case XDP_PASS:
break;
case XDP_TX:
- err = xdp_enqueue(priv, fd, vaddr, rx_fq->flowid);
- if (err) {
- xdp_release_buf(priv, ch, addr);
- percpu_stats->tx_errors++;
- ch->stats.xdp_tx_err++;
- } else {
- percpu_stats->tx_packets++;
- percpu_stats->tx_bytes += dpaa2_fd_get_len(fd);
- ch->stats.xdp_tx++;
- }
+ xdp_enqueue(priv, ch, fd, vaddr, rx_fq->flowid);
break;
default:
bpf_warn_invalid_xdp_action(xdp_act);
@@ -335,9 +385,13 @@ static u32 run_xdp(struct dpaa2_eth_priv *priv,
break;
case XDP_REDIRECT:
dma_unmap_page(priv->net_dev->dev.parent, addr,
- DPAA2_ETH_RX_BUF_SIZE, DMA_BIDIRECTIONAL);
+ priv->rx_buf_size, DMA_BIDIRECTIONAL);
ch->buf_count--;
+
+ /* Allow redirect use of full headroom */
xdp.data_hard_start = vaddr;
+ xdp.frame_sz = DPAA2_ETH_RX_BUF_RAW_SIZE;
+
err = xdp_do_redirect(priv->net_dev, &xdp, xdp_prog);
if (unlikely(err))
ch->stats.xdp_drop++;
@@ -374,7 +428,7 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv,
trace_dpaa2_rx_fd(priv->net_dev, fd);
vaddr = dpaa2_iova_to_virt(priv->iommu_domain, addr);
- dma_sync_single_for_cpu(dev, addr, DPAA2_ETH_RX_BUF_SIZE,
+ dma_sync_single_for_cpu(dev, addr, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
fas = dpaa2_get_fas(vaddr, false);
@@ -393,13 +447,13 @@ static void dpaa2_eth_rx(struct dpaa2_eth_priv *priv,
return;
}
- dma_unmap_page(dev, addr, DPAA2_ETH_RX_BUF_SIZE,
+ dma_unmap_page(dev, addr, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
skb = build_linear_skb(ch, fd, vaddr);
} else if (fd_format == dpaa2_fd_sg) {
WARN_ON(priv->xdp_prog);
- dma_unmap_page(dev, addr, DPAA2_ETH_RX_BUF_SIZE,
+ dma_unmap_page(dev, addr, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
skb = build_frag_skb(priv, ch, buf_data);
free_pages((unsigned long)vaddr, 0);
@@ -493,6 +547,7 @@ static int consume_frames(struct dpaa2_eth_channel *ch,
return 0;
fq->stats.frames += cleaned;
+ ch->stats.frames += cleaned;
/* A dequeue operation only pulls frames from a single queue
* into the store. Return the frame queue as an out param.
@@ -847,7 +902,7 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev)
* the Tx confirmation callback for this frame
*/
for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) {
- err = priv->enqueue(priv, fq, &fd, prio);
+ err = priv->enqueue(priv, fq, &fd, prio, 1, NULL);
if (err != -EBUSY)
break;
}
@@ -974,7 +1029,7 @@ static int add_bufs(struct dpaa2_eth_priv *priv,
if (!page)
goto err_alloc;
- addr = dma_map_page(dev, page, 0, DPAA2_ETH_RX_BUF_SIZE,
+ addr = dma_map_page(dev, page, 0, priv->rx_buf_size,
DMA_BIDIRECTIONAL);
if (unlikely(dma_mapping_error(dev, addr)))
goto err_map;
@@ -984,7 +1039,7 @@ static int add_bufs(struct dpaa2_eth_priv *priv,
/* tracing point */
trace_dpaa2_eth_buf_seed(priv->net_dev,
page, DPAA2_ETH_RX_BUF_RAW_SIZE,
- addr, DPAA2_ETH_RX_BUF_SIZE,
+ addr, priv->rx_buf_size,
bpid);
}
@@ -1138,6 +1193,7 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
int store_cleaned, work_done;
struct list_head rx_list;
int retries = 0;
+ u16 flowid;
int err;
ch = container_of(napi, struct dpaa2_eth_channel, napi);
@@ -1160,6 +1216,7 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget)
break;
if (fq->type == DPAA2_RX_FQ) {
rx_cleaned += store_cleaned;
+ flowid = fq->flowid;
} else {
txconf_cleaned += store_cleaned;
/* We have a single Tx conf FQ on this channel */
@@ -1202,6 +1259,8 @@ out:
if (ch->xdp.res & XDP_REDIRECT)
xdp_do_flush_map();
+ else if (rx_cleaned && ch->xdp.res & XDP_TX)
+ xdp_tx_flush(priv, ch, &priv->fq[flowid]);
return work_done;
}
@@ -1228,31 +1287,67 @@ static void disable_ch_napi(struct dpaa2_eth_priv *priv)
}
}
-static void dpaa2_eth_set_rx_taildrop(struct dpaa2_eth_priv *priv, bool enable)
+void dpaa2_eth_set_rx_taildrop(struct dpaa2_eth_priv *priv,
+ bool tx_pause, bool pfc)
{
struct dpni_taildrop td = {0};
+ struct dpaa2_eth_fq *fq;
int i, err;
- if (priv->rx_td_enabled == enable)
- return;
+ /* FQ taildrop: threshold is in bytes, per frame queue. Enabled if
+ * flow control is disabled (as it might interfere with either the
+ * buffer pool depletion trigger for pause frames or with the group
+ * congestion trigger for PFC frames)
+ */
+ td.enable = !tx_pause;
+ if (priv->rx_fqtd_enabled == td.enable)
+ goto set_cgtd;
- td.enable = enable;
- td.threshold = DPAA2_ETH_TAILDROP_THRESH;
+ td.threshold = DPAA2_ETH_FQ_TAILDROP_THRESH;
+ td.units = DPNI_CONGESTION_UNIT_BYTES;
for (i = 0; i < priv->num_fqs; i++) {
- if (priv->fq[i].type != DPAA2_RX_FQ)
+ fq = &priv->fq[i];
+ if (fq->type != DPAA2_RX_FQ)
continue;
err = dpni_set_taildrop(priv->mc_io, 0, priv->mc_token,
- DPNI_CP_QUEUE, DPNI_QUEUE_RX, 0,
- priv->fq[i].flowid, &td);
+ DPNI_CP_QUEUE, DPNI_QUEUE_RX,
+ fq->tc, fq->flowid, &td);
if (err) {
netdev_err(priv->net_dev,
- "dpni_set_taildrop() failed\n");
- break;
+ "dpni_set_taildrop(FQ) failed\n");
+ return;
}
}
- priv->rx_td_enabled = enable;
+ priv->rx_fqtd_enabled = td.enable;
+
+set_cgtd:
+ /* Congestion group taildrop: threshold is in frames, per group
+ * of FQs belonging to the same traffic class
+ * Enabled if general Tx pause disabled or if PFCs are enabled
+ * (congestion group threhsold for PFC generation is lower than the
+ * CG taildrop threshold, so it won't interfere with it; we also
+ * want frames in non-PFC enabled traffic classes to be kept in check)
+ */
+ td.enable = !tx_pause || (tx_pause && pfc);
+ if (priv->rx_cgtd_enabled == td.enable)
+ return;
+
+ td.threshold = DPAA2_ETH_CG_TAILDROP_THRESH(priv);
+ td.units = DPNI_CONGESTION_UNIT_FRAMES;
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ err = dpni_set_taildrop(priv->mc_io, 0, priv->mc_token,
+ DPNI_CP_GROUP, DPNI_QUEUE_RX,
+ i, 0, &td);
+ if (err) {
+ netdev_err(priv->net_dev,
+ "dpni_set_taildrop(CG) failed\n");
+ return;
+ }
+ }
+
+ priv->rx_cgtd_enabled = td.enable;
}
static int link_state_update(struct dpaa2_eth_priv *priv)
@@ -1272,9 +1367,8 @@ static int link_state_update(struct dpaa2_eth_priv *priv)
* Rx FQ taildrop configuration as well. We configure taildrop
* only when pause frame generation is disabled.
*/
- tx_pause = !!(state.options & DPNI_LINK_OPT_PAUSE) ^
- !!(state.options & DPNI_LINK_OPT_ASYM_PAUSE);
- dpaa2_eth_set_rx_taildrop(priv, !tx_pause);
+ tx_pause = dpaa2_eth_tx_pause_enabled(state.options);
+ dpaa2_eth_set_rx_taildrop(priv, tx_pause, priv->pfc_enabled);
/* When we manage the MAC/PHY using phylink there is no need
* to manually update the netif_carrier.
@@ -1720,7 +1814,7 @@ static bool xdp_mtu_valid(struct dpaa2_eth_priv *priv, int mtu)
int mfl, linear_mfl;
mfl = DPAA2_ETH_L2_MAX_FRM(mtu);
- linear_mfl = DPAA2_ETH_RX_BUF_SIZE - DPAA2_ETH_RX_HWA_SIZE -
+ linear_mfl = priv->rx_buf_size - DPAA2_ETH_RX_HWA_SIZE -
dpaa2_eth_rx_head_room(priv) - XDP_PACKET_HEADROOM;
if (mfl > linear_mfl) {
@@ -1880,20 +1974,16 @@ static int dpaa2_eth_xdp(struct net_device *dev, struct netdev_bpf *xdp)
return 0;
}
-static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev,
- struct xdp_frame *xdpf)
+static int dpaa2_eth_xdp_create_fd(struct net_device *net_dev,
+ struct xdp_frame *xdpf,
+ struct dpaa2_fd *fd)
{
struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
struct device *dev = net_dev->dev.parent;
- struct rtnl_link_stats64 *percpu_stats;
- struct dpaa2_eth_drv_stats *percpu_extras;
unsigned int needed_headroom;
struct dpaa2_eth_swa *swa;
- struct dpaa2_eth_fq *fq;
- struct dpaa2_fd fd;
void *buffer_start, *aligned_start;
dma_addr_t addr;
- int err, i;
/* We require a minimum headroom to be able to transmit the frame.
* Otherwise return an error and let the original net_device handle it
@@ -1902,11 +1992,8 @@ static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev,
if (xdpf->headroom < needed_headroom)
return -EINVAL;
- percpu_stats = this_cpu_ptr(priv->percpu_stats);
- percpu_extras = this_cpu_ptr(priv->percpu_extras);
-
/* Setup the FD fields */
- memset(&fd, 0, sizeof(fd));
+ memset(fd, 0, sizeof(*fd));
/* Align FD address, if possible */
buffer_start = xdpf->data - needed_headroom;
@@ -1924,32 +2011,14 @@ static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev,
addr = dma_map_single(dev, buffer_start,
swa->xdp.dma_size,
DMA_BIDIRECTIONAL);
- if (unlikely(dma_mapping_error(dev, addr))) {
- percpu_stats->tx_dropped++;
+ if (unlikely(dma_mapping_error(dev, addr)))
return -ENOMEM;
- }
-
- dpaa2_fd_set_addr(&fd, addr);
- dpaa2_fd_set_offset(&fd, xdpf->data - buffer_start);
- dpaa2_fd_set_len(&fd, xdpf->len);
- dpaa2_fd_set_format(&fd, dpaa2_fd_single);
- dpaa2_fd_set_ctrl(&fd, FD_CTRL_PTA);
-
- fq = &priv->fq[smp_processor_id() % dpaa2_eth_queue_count(priv)];
- for (i = 0; i < DPAA2_ETH_ENQUEUE_RETRIES; i++) {
- err = priv->enqueue(priv, fq, &fd, 0);
- if (err != -EBUSY)
- break;
- }
- percpu_extras->tx_portal_busy += i;
- if (unlikely(err < 0)) {
- percpu_stats->tx_errors++;
- /* let the Rx device handle the cleanup */
- return err;
- }
- percpu_stats->tx_packets++;
- percpu_stats->tx_bytes += dpaa2_fd_get_len(&fd);
+ dpaa2_fd_set_addr(fd, addr);
+ dpaa2_fd_set_offset(fd, xdpf->data - buffer_start);
+ dpaa2_fd_set_len(fd, xdpf->len);
+ dpaa2_fd_set_format(fd, dpaa2_fd_single);
+ dpaa2_fd_set_ctrl(fd, FD_CTRL_PTA);
return 0;
}
@@ -1957,8 +2026,12 @@ static int dpaa2_eth_xdp_xmit_frame(struct net_device *net_dev,
static int dpaa2_eth_xdp_xmit(struct net_device *net_dev, int n,
struct xdp_frame **frames, u32 flags)
{
- int drops = 0;
- int i, err;
+ struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+ struct dpaa2_eth_xdp_fds *xdp_redirect_fds;
+ struct rtnl_link_stats64 *percpu_stats;
+ struct dpaa2_eth_fq *fq;
+ struct dpaa2_fd *fds;
+ int enqueued, i, err;
if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
return -EINVAL;
@@ -1966,17 +2039,31 @@ static int dpaa2_eth_xdp_xmit(struct net_device *net_dev, int n,
if (!netif_running(net_dev))
return -ENETDOWN;
- for (i = 0; i < n; i++) {
- struct xdp_frame *xdpf = frames[i];
+ fq = &priv->fq[smp_processor_id()];
+ xdp_redirect_fds = &fq->xdp_redirect_fds;
+ fds = xdp_redirect_fds->fds;
- err = dpaa2_eth_xdp_xmit_frame(net_dev, xdpf);
- if (err) {
- xdp_return_frame_rx_napi(xdpf);
- drops++;
- }
+ percpu_stats = this_cpu_ptr(priv->percpu_stats);
+
+ /* create a FD for each xdp_frame in the list received */
+ for (i = 0; i < n; i++) {
+ err = dpaa2_eth_xdp_create_fd(net_dev, frames[i], &fds[i]);
+ if (err)
+ break;
}
+ xdp_redirect_fds->num = i;
- return n - drops;
+ /* enqueue all the frame descriptors */
+ enqueued = dpaa2_eth_xdp_flush(priv, fq, xdp_redirect_fds);
+
+ /* update statistics */
+ percpu_stats->tx_packets += enqueued;
+ for (i = 0; i < enqueued; i++)
+ percpu_stats->tx_bytes += dpaa2_fd_get_len(&fds[i]);
+ for (i = enqueued; i < n; i++)
+ xdp_return_frame_rx_napi(frames[i]);
+
+ return enqueued;
}
static int update_xps(struct dpaa2_eth_priv *priv)
@@ -2018,7 +2105,7 @@ static int dpaa2_eth_setup_tc(struct net_device *net_dev,
int i;
if (type != TC_SETUP_QDISC_MQPRIO)
- return -EINVAL;
+ return -EOPNOTSUPP;
mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
num_queues = dpaa2_eth_queue_count(priv);
@@ -2030,7 +2117,7 @@ static int dpaa2_eth_setup_tc(struct net_device *net_dev,
if (num_tc > dpaa2_eth_tc_count(priv)) {
netdev_err(net_dev, "Max %d traffic classes supported\n",
dpaa2_eth_tc_count(priv));
- return -EINVAL;
+ return -EOPNOTSUPP;
}
if (!num_tc) {
@@ -2355,7 +2442,7 @@ static void set_fq_affinity(struct dpaa2_eth_priv *priv)
static void setup_fqs(struct dpaa2_eth_priv *priv)
{
- int i;
+ int i, j;
/* We have one TxConf FQ per Tx flow.
* The number of Tx and Rx queues is the same.
@@ -2367,10 +2454,13 @@ static void setup_fqs(struct dpaa2_eth_priv *priv)
priv->fq[priv->num_fqs++].flowid = (u16)i;
}
- for (i = 0; i < dpaa2_eth_queue_count(priv); i++) {
- priv->fq[priv->num_fqs].type = DPAA2_RX_FQ;
- priv->fq[priv->num_fqs].consume = dpaa2_eth_rx;
- priv->fq[priv->num_fqs++].flowid = (u16)i;
+ for (j = 0; j < dpaa2_eth_tc_count(priv); j++) {
+ for (i = 0; i < dpaa2_eth_queue_count(priv); i++) {
+ priv->fq[priv->num_fqs].type = DPAA2_RX_FQ;
+ priv->fq[priv->num_fqs].consume = dpaa2_eth_rx;
+ priv->fq[priv->num_fqs].tc = (u8)j;
+ priv->fq[priv->num_fqs++].flowid = (u16)i;
+ }
}
/* For each FQ, decide on which core to process incoming frames */
@@ -2462,6 +2552,11 @@ static int set_buffer_layout(struct dpaa2_eth_priv *priv)
else
rx_buf_align = DPAA2_ETH_RX_BUF_ALIGN;
+ /* We need to ensure that the buffer size seen by WRIOP is a multiple
+ * of 64 or 256 bytes depending on the WRIOP version.
+ */
+ priv->rx_buf_size = ALIGN_DOWN(DPAA2_ETH_RX_BUF_SIZE, rx_buf_align);
+
/* tx buffer */
buf_layout.private_data_size = DPAA2_ETH_SWA_SIZE;
buf_layout.pass_timestamp = true;
@@ -2523,19 +2618,38 @@ static int set_buffer_layout(struct dpaa2_eth_priv *priv)
static inline int dpaa2_eth_enqueue_qd(struct dpaa2_eth_priv *priv,
struct dpaa2_eth_fq *fq,
- struct dpaa2_fd *fd, u8 prio)
+ struct dpaa2_fd *fd, u8 prio,
+ u32 num_frames __always_unused,
+ int *frames_enqueued)
{
- return dpaa2_io_service_enqueue_qd(fq->channel->dpio,
- priv->tx_qdid, prio,
- fq->tx_qdbin, fd);
+ int err;
+
+ err = dpaa2_io_service_enqueue_qd(fq->channel->dpio,
+ priv->tx_qdid, prio,
+ fq->tx_qdbin, fd);
+ if (!err && frames_enqueued)
+ *frames_enqueued = 1;
+ return err;
}
-static inline int dpaa2_eth_enqueue_fq(struct dpaa2_eth_priv *priv,
- struct dpaa2_eth_fq *fq,
- struct dpaa2_fd *fd, u8 prio)
+static inline int dpaa2_eth_enqueue_fq_multiple(struct dpaa2_eth_priv *priv,
+ struct dpaa2_eth_fq *fq,
+ struct dpaa2_fd *fd,
+ u8 prio, u32 num_frames,
+ int *frames_enqueued)
{
- return dpaa2_io_service_enqueue_fq(fq->channel->dpio,
- fq->tx_fqid[prio], fd);
+ int err;
+
+ err = dpaa2_io_service_enqueue_multiple_fq(fq->channel->dpio,
+ fq->tx_fqid[prio],
+ fd, num_frames);
+
+ if (err == 0)
+ return -EBUSY;
+
+ if (frames_enqueued)
+ *frames_enqueued = err;
+ return 0;
}
static void set_enqueue_mode(struct dpaa2_eth_priv *priv)
@@ -2544,7 +2658,7 @@ static void set_enqueue_mode(struct dpaa2_eth_priv *priv)
DPNI_ENQUEUE_FQID_VER_MINOR) < 0)
priv->enqueue = dpaa2_eth_enqueue_qd;
else
- priv->enqueue = dpaa2_eth_enqueue_fq;
+ priv->enqueue = dpaa2_eth_enqueue_fq_multiple;
}
static int set_pause(struct dpaa2_eth_priv *priv)
@@ -2605,7 +2719,7 @@ static void update_tx_fqids(struct dpaa2_eth_priv *priv)
}
}
- priv->enqueue = dpaa2_eth_enqueue_fq;
+ priv->enqueue = dpaa2_eth_enqueue_fq_multiple;
return;
@@ -2615,6 +2729,118 @@ out_err:
priv->enqueue = dpaa2_eth_enqueue_qd;
}
+/* Configure ingress classification based on VLAN PCP */
+static int set_vlan_qos(struct dpaa2_eth_priv *priv)
+{
+ struct device *dev = priv->net_dev->dev.parent;
+ struct dpkg_profile_cfg kg_cfg = {0};
+ struct dpni_qos_tbl_cfg qos_cfg = {0};
+ struct dpni_rule_cfg key_params;
+ void *dma_mem, *key, *mask;
+ u8 key_size = 2; /* VLAN TCI field */
+ int i, pcp, err;
+
+ /* VLAN-based classification only makes sense if we have multiple
+ * traffic classes.
+ * Also, we need to extract just the 3-bit PCP field from the VLAN
+ * header and we can only do that by using a mask
+ */
+ if (dpaa2_eth_tc_count(priv) == 1 || !dpaa2_eth_fs_mask_enabled(priv)) {
+ dev_dbg(dev, "VLAN-based QoS classification not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ dma_mem = kzalloc(DPAA2_CLASSIFIER_DMA_SIZE, GFP_KERNEL);
+ if (!dma_mem)
+ return -ENOMEM;
+
+ kg_cfg.num_extracts = 1;
+ kg_cfg.extracts[0].type = DPKG_EXTRACT_FROM_HDR;
+ kg_cfg.extracts[0].extract.from_hdr.prot = NET_PROT_VLAN;
+ kg_cfg.extracts[0].extract.from_hdr.type = DPKG_FULL_FIELD;
+ kg_cfg.extracts[0].extract.from_hdr.field = NH_FLD_VLAN_TCI;
+
+ err = dpni_prepare_key_cfg(&kg_cfg, dma_mem);
+ if (err) {
+ dev_err(dev, "dpni_prepare_key_cfg failed\n");
+ goto out_free_tbl;
+ }
+
+ /* set QoS table */
+ qos_cfg.default_tc = 0;
+ qos_cfg.discard_on_miss = 0;
+ qos_cfg.key_cfg_iova = dma_map_single(dev, dma_mem,
+ DPAA2_CLASSIFIER_DMA_SIZE,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, qos_cfg.key_cfg_iova)) {
+ dev_err(dev, "QoS table DMA mapping failed\n");
+ err = -ENOMEM;
+ goto out_free_tbl;
+ }
+
+ err = dpni_set_qos_table(priv->mc_io, 0, priv->mc_token, &qos_cfg);
+ if (err) {
+ dev_err(dev, "dpni_set_qos_table failed\n");
+ goto out_unmap_tbl;
+ }
+
+ /* Add QoS table entries */
+ key = kzalloc(key_size * 2, GFP_KERNEL);
+ if (!key) {
+ err = -ENOMEM;
+ goto out_unmap_tbl;
+ }
+ mask = key + key_size;
+ *(__be16 *)mask = cpu_to_be16(VLAN_PRIO_MASK);
+
+ key_params.key_iova = dma_map_single(dev, key, key_size * 2,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dev, key_params.key_iova)) {
+ dev_err(dev, "Qos table entry DMA mapping failed\n");
+ err = -ENOMEM;
+ goto out_free_key;
+ }
+
+ key_params.mask_iova = key_params.key_iova + key_size;
+ key_params.key_size = key_size;
+
+ /* We add rules for PCP-based distribution starting with highest
+ * priority (VLAN PCP = 7). If this DPNI doesn't have enough traffic
+ * classes to accommodate all priority levels, the lowest ones end up
+ * on TC 0 which was configured as default
+ */
+ for (i = dpaa2_eth_tc_count(priv) - 1, pcp = 7; i >= 0; i--, pcp--) {
+ *(__be16 *)key = cpu_to_be16(pcp << VLAN_PRIO_SHIFT);
+ dma_sync_single_for_device(dev, key_params.key_iova,
+ key_size * 2, DMA_TO_DEVICE);
+
+ err = dpni_add_qos_entry(priv->mc_io, 0, priv->mc_token,
+ &key_params, i, i);
+ if (err) {
+ dev_err(dev, "dpni_add_qos_entry failed\n");
+ dpni_clear_qos_table(priv->mc_io, 0, priv->mc_token);
+ goto out_unmap_key;
+ }
+ }
+
+ priv->vlan_cls_enabled = true;
+
+ /* Table and key memory is not persistent, clean everything up after
+ * configuration is finished
+ */
+out_unmap_key:
+ dma_unmap_single(dev, key_params.key_iova, key_size * 2, DMA_TO_DEVICE);
+out_free_key:
+ kfree(key);
+out_unmap_tbl:
+ dma_unmap_single(dev, qos_cfg.key_cfg_iova, DPAA2_CLASSIFIER_DMA_SIZE,
+ DMA_TO_DEVICE);
+out_free_tbl:
+ kfree(dma_mem);
+
+ return err;
+}
+
/* Configure the DPNI object this interface is associated with */
static int setup_dpni(struct fsl_mc_device *ls_dev)
{
@@ -2677,10 +2903,16 @@ static int setup_dpni(struct fsl_mc_device *ls_dev)
goto close;
}
+ err = set_vlan_qos(priv);
+ if (err && err != -EOPNOTSUPP)
+ goto close;
+
priv->cls_rules = devm_kzalloc(dev, sizeof(struct dpaa2_eth_cls_rule) *
dpaa2_eth_fs_count(priv), GFP_KERNEL);
- if (!priv->cls_rules)
+ if (!priv->cls_rules) {
+ err = -ENOMEM;
goto close;
+ }
return 0;
@@ -2711,7 +2943,7 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv,
int err;
err = dpni_get_queue(priv->mc_io, 0, priv->mc_token,
- DPNI_QUEUE_RX, 0, fq->flowid, &queue, &qid);
+ DPNI_QUEUE_RX, fq->tc, fq->flowid, &queue, &qid);
if (err) {
dev_err(dev, "dpni_get_queue(RX) failed\n");
return err;
@@ -2724,7 +2956,7 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv,
queue.destination.priority = 1;
queue.user_context = (u64)(uintptr_t)fq;
err = dpni_set_queue(priv->mc_io, 0, priv->mc_token,
- DPNI_QUEUE_RX, 0, fq->flowid,
+ DPNI_QUEUE_RX, fq->tc, fq->flowid,
DPNI_QUEUE_OPT_USER_CTX | DPNI_QUEUE_OPT_DEST,
&queue);
if (err) {
@@ -2733,6 +2965,10 @@ static int setup_rx_flow(struct dpaa2_eth_priv *priv,
}
/* xdp_rxq setup */
+ /* only once for each channel */
+ if (fq->tc > 0)
+ return 0;
+
err = xdp_rxq_info_reg(&fq->channel->xdp_rxq, priv->net_dev,
fq->flowid);
if (err) {
@@ -2870,7 +3106,7 @@ static int config_legacy_hash_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
{
struct device *dev = priv->net_dev->dev.parent;
struct dpni_rx_tc_dist_cfg dist_cfg;
- int err;
+ int i, err = 0;
memset(&dist_cfg, 0, sizeof(dist_cfg));
@@ -2878,9 +3114,14 @@ static int config_legacy_hash_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
dist_cfg.dist_size = dpaa2_eth_queue_count(priv);
dist_cfg.dist_mode = DPNI_DIST_MODE_HASH;
- err = dpni_set_rx_tc_dist(priv->mc_io, 0, priv->mc_token, 0, &dist_cfg);
- if (err)
- dev_err(dev, "dpni_set_rx_tc_dist failed\n");
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ err = dpni_set_rx_tc_dist(priv->mc_io, 0, priv->mc_token,
+ i, &dist_cfg);
+ if (err) {
+ dev_err(dev, "dpni_set_rx_tc_dist failed\n");
+ break;
+ }
+ }
return err;
}
@@ -2890,7 +3131,7 @@ static int config_hash_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
{
struct device *dev = priv->net_dev->dev.parent;
struct dpni_rx_dist_cfg dist_cfg;
- int err;
+ int i, err = 0;
memset(&dist_cfg, 0, sizeof(dist_cfg));
@@ -2898,9 +3139,15 @@ static int config_hash_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
dist_cfg.dist_size = dpaa2_eth_queue_count(priv);
dist_cfg.enable = 1;
- err = dpni_set_rx_hash_dist(priv->mc_io, 0, priv->mc_token, &dist_cfg);
- if (err)
- dev_err(dev, "dpni_set_rx_hash_dist failed\n");
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ dist_cfg.tc = i;
+ err = dpni_set_rx_hash_dist(priv->mc_io, 0, priv->mc_token,
+ &dist_cfg);
+ if (err) {
+ dev_err(dev, "dpni_set_rx_hash_dist failed\n");
+ break;
+ }
+ }
return err;
}
@@ -2910,7 +3157,7 @@ static int config_cls_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
{
struct device *dev = priv->net_dev->dev.parent;
struct dpni_rx_dist_cfg dist_cfg;
- int err;
+ int i, err = 0;
memset(&dist_cfg, 0, sizeof(dist_cfg));
@@ -2918,9 +3165,15 @@ static int config_cls_key(struct dpaa2_eth_priv *priv, dma_addr_t key)
dist_cfg.dist_size = dpaa2_eth_queue_count(priv);
dist_cfg.enable = 1;
- err = dpni_set_rx_fs_dist(priv->mc_io, 0, priv->mc_token, &dist_cfg);
- if (err)
- dev_err(dev, "dpni_set_rx_fs_dist failed\n");
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ dist_cfg.tc = i;
+ err = dpni_set_rx_fs_dist(priv->mc_io, 0, priv->mc_token,
+ &dist_cfg);
+ if (err) {
+ dev_err(dev, "dpni_set_rx_fs_dist failed\n");
+ break;
+ }
+ }
return err;
}
@@ -3126,7 +3379,7 @@ static int bind_dpni(struct dpaa2_eth_priv *priv)
pools_params.num_dpbp = 1;
pools_params.pools[0].dpbp_id = priv->dpbp_dev->obj_desc.id;
pools_params.pools[0].backup_pool = 0;
- pools_params.pools[0].buffer_size = DPAA2_ETH_RX_BUF_SIZE;
+ pools_params.pools[0].buffer_size = priv->rx_buf_size;
err = dpni_set_pools(priv->mc_io, 0, priv->mc_token, &pools_params);
if (err) {
dev_err(dev, "dpni_set_pools() failed\n");
@@ -3606,6 +3859,15 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
if (err)
goto err_alloc_rings;
+#ifdef CONFIG_FSL_DPAA2_ETH_DCB
+ if (dpaa2_eth_has_pause_support(priv) && priv->vlan_cls_enabled) {
+ priv->dcbx_mode = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE;
+ net_dev->dcbnl_ops = &dpaa2_eth_dcbnl_ops;
+ } else {
+ dev_dbg(dev, "PFC not supported\n");
+ }
+#endif
+
err = setup_irqs(dpni_dev);
if (err) {
netdev_warn(net_dev, "Failed to set link interrupt, fall back to polling\n");
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 7635db3ef903..2d7ada0f0dbd 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -1,11 +1,12 @@
/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
/* Copyright 2014-2016 Freescale Semiconductor Inc.
- * Copyright 2016 NXP
+ * Copyright 2016-2020 NXP
*/
#ifndef __DPAA2_ETH_H
#define __DPAA2_ETH_H
+#include <linux/dcbnl.h>
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
#include <linux/fsl/mc.h>
@@ -36,27 +37,46 @@
/* Convert L3 MTU to L2 MFL */
#define DPAA2_ETH_L2_MAX_FRM(mtu) ((mtu) + VLAN_ETH_HLEN)
-/* Set the taildrop threshold (in bytes) to allow the enqueue of several jumbo
- * frames in the Rx queues (length of the current frame is not
- * taken into account when making the taildrop decision)
+/* Set the taildrop threshold (in bytes) to allow the enqueue of a large
+ * enough number of jumbo frames in the Rx queues (length of the current
+ * frame is not taken into account when making the taildrop decision)
*/
-#define DPAA2_ETH_TAILDROP_THRESH (64 * 1024)
+#define DPAA2_ETH_FQ_TAILDROP_THRESH (1024 * 1024)
/* Maximum number of Tx confirmation frames to be processed
* in a single NAPI call
*/
#define DPAA2_ETH_TXCONF_PER_NAPI 256
-/* Buffer quota per queue. Must be large enough such that for minimum sized
- * frames taildrop kicks in before the bpool gets depleted, so we compute
- * how many 64B frames fit inside the taildrop threshold and add a margin
- * to accommodate the buffer refill delay.
+/* Buffer qouta per channel. We want to keep in check number of ingress frames
+ * in flight: for small sized frames, congestion group taildrop may kick in
+ * first; for large sizes, Rx FQ taildrop threshold will ensure only a
+ * reasonable number of frames will be pending at any given time.
+ * Ingress frame drop due to buffer pool depletion should be a corner case only
*/
-#define DPAA2_ETH_MAX_FRAMES_PER_QUEUE (DPAA2_ETH_TAILDROP_THRESH / 64)
-#define DPAA2_ETH_NUM_BUFS (DPAA2_ETH_MAX_FRAMES_PER_QUEUE + 256)
+#define DPAA2_ETH_NUM_BUFS 1280
#define DPAA2_ETH_REFILL_THRESH \
(DPAA2_ETH_NUM_BUFS - DPAA2_ETH_BUFS_PER_CMD)
+/* Congestion group taildrop threshold: number of frames allowed to accumulate
+ * at any moment in a group of Rx queues belonging to the same traffic class.
+ * Choose value such that we don't risk depleting the buffer pool before the
+ * taildrop kicks in
+ */
+#define DPAA2_ETH_CG_TAILDROP_THRESH(priv) \
+ (1024 * dpaa2_eth_queue_count(priv) / dpaa2_eth_tc_count(priv))
+
+/* Congestion group notification threshold: when this many frames accumulate
+ * on the Rx queues belonging to the same TC, the MAC is instructed to send
+ * PFC frames for that TC.
+ * When number of pending frames drops below exit threshold transmission of
+ * PFC frames is stopped.
+ */
+#define DPAA2_ETH_CN_THRESH_ENTRY(priv) \
+ (DPAA2_ETH_CG_TAILDROP_THRESH(priv) / 2)
+#define DPAA2_ETH_CN_THRESH_EXIT(priv) \
+ (DPAA2_ETH_CN_THRESH_ENTRY(priv) * 3 / 4)
+
/* Maximum number of buffers that can be acquired/released through a single
* QBMan command
*/
@@ -288,11 +308,15 @@ struct dpaa2_eth_ch_stats {
__u64 xdp_tx;
__u64 xdp_tx_err;
__u64 xdp_redirect;
+ /* Must be last, does not show up in ethtool stats */
+ __u64 frames;
};
/* Maximum number of queues associated with a DPNI */
#define DPAA2_ETH_MAX_TCS 8
-#define DPAA2_ETH_MAX_RX_QUEUES 16
+#define DPAA2_ETH_MAX_RX_QUEUES_PER_TC 16
+#define DPAA2_ETH_MAX_RX_QUEUES \
+ (DPAA2_ETH_MAX_RX_QUEUES_PER_TC * DPAA2_ETH_MAX_TCS)
#define DPAA2_ETH_MAX_TX_QUEUES 16
#define DPAA2_ETH_MAX_QUEUES (DPAA2_ETH_MAX_RX_QUEUES + \
DPAA2_ETH_MAX_TX_QUEUES)
@@ -308,6 +332,11 @@ enum dpaa2_eth_fq_type {
struct dpaa2_eth_priv;
+struct dpaa2_eth_xdp_fds {
+ struct dpaa2_fd fds[DEV_MAP_BULK_SIZE];
+ ssize_t num;
+};
+
struct dpaa2_eth_fq {
u32 fqid;
u32 tx_qdbin;
@@ -325,6 +354,9 @@ struct dpaa2_eth_fq {
const struct dpaa2_fd *fd,
struct dpaa2_eth_fq *fq);
struct dpaa2_eth_fq_stats stats;
+
+ struct dpaa2_eth_xdp_fds xdp_redirect_fds;
+ struct dpaa2_eth_xdp_fds xdp_tx_fds;
};
struct dpaa2_eth_ch_xdp {
@@ -371,7 +403,9 @@ struct dpaa2_eth_priv {
struct dpaa2_eth_fq fq[DPAA2_ETH_MAX_QUEUES];
int (*enqueue)(struct dpaa2_eth_priv *priv,
struct dpaa2_eth_fq *fq,
- struct dpaa2_fd *fd, u8 prio);
+ struct dpaa2_fd *fd, u8 prio,
+ u32 num_frames,
+ int *frames_enqueued);
u8 num_channels;
struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS];
@@ -382,6 +416,7 @@ struct dpaa2_eth_priv {
u16 tx_data_offset;
struct fsl_mc_device *dpbp_dev;
+ u16 rx_buf_size;
u16 bpid;
struct iommu_domain *iommu_domain;
@@ -401,7 +436,8 @@ struct dpaa2_eth_priv {
struct dpaa2_eth_drv_stats __percpu *percpu_extras;
u16 mc_token;
- u8 rx_td_enabled;
+ u8 rx_fqtd_enabled;
+ u8 rx_cgtd_enabled;
struct dpni_link_state link_state;
bool do_link_poll;
@@ -412,6 +448,12 @@ struct dpaa2_eth_priv {
u64 rx_cls_fields;
struct dpaa2_eth_cls_rule *cls_rules;
u8 rx_cls_enabled;
+ u8 vlan_cls_enabled;
+ u8 pfc_enabled;
+#ifdef CONFIG_FSL_DPAA2_ETH_DCB
+ u8 dcbx_mode;
+ struct ieee_pfc pfc;
+#endif
struct bpf_prog *xdp_prog;
#ifdef CONFIG_DEBUG_FS
struct dpaa2_debugfs dbg;
@@ -494,6 +536,17 @@ enum dpaa2_eth_rx_dist {
(dpaa2_eth_cmp_dpni_ver((priv), DPNI_PAUSE_VER_MAJOR, \
DPNI_PAUSE_VER_MINOR) >= 0)
+static inline bool dpaa2_eth_tx_pause_enabled(u64 link_options)
+{
+ return !!(link_options & DPNI_LINK_OPT_PAUSE) ^
+ !!(link_options & DPNI_LINK_OPT_ASYM_PAUSE);
+}
+
+static inline bool dpaa2_eth_rx_pause_enabled(u64 link_options)
+{
+ return !!(link_options & DPNI_LINK_OPT_PAUSE);
+}
+
static inline
unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv,
struct sk_buff *skb)
@@ -533,4 +586,9 @@ int dpaa2_eth_cls_key_size(u64 key);
int dpaa2_eth_cls_fld_off(int prot, int field);
void dpaa2_eth_cls_trim_rule(void *key_mem, u64 fields);
+void dpaa2_eth_set_rx_taildrop(struct dpaa2_eth_priv *priv,
+ bool tx_pause, bool pfc);
+
+extern const struct dcbnl_rtnl_ops dpaa2_eth_dcbnl_ops;
+
#endif /* __DPAA2_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 94347c695233..e88269fe3de7 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -130,9 +130,8 @@ static void dpaa2_eth_get_pauseparam(struct net_device *net_dev,
return;
}
- pause->rx_pause = !!(link_options & DPNI_LINK_OPT_PAUSE);
- pause->tx_pause = pause->rx_pause ^
- !!(link_options & DPNI_LINK_OPT_ASYM_PAUSE);
+ pause->rx_pause = dpaa2_eth_rx_pause_enabled(link_options);
+ pause->tx_pause = dpaa2_eth_tx_pause_enabled(link_options);
pause->autoneg = AUTONEG_DISABLE;
}
@@ -277,7 +276,7 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
/* Per-channel stats */
for (k = 0; k < priv->num_channels; k++) {
ch_stats = &priv->channel[k]->stats;
- for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64); j++)
+ for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64) - 1; j++)
*((__u64 *)data + i + j) += *((__u64 *)ch_stats + j);
}
i += j;
@@ -547,7 +546,7 @@ static int do_cls_rule(struct net_device *net_dev,
dma_addr_t key_iova;
u64 fields = 0;
void *key_buf;
- int err;
+ int i, err;
if (fs->ring_cookie != RX_CLS_FLOW_DISC &&
fs->ring_cookie >= dpaa2_eth_queue_count(priv))
@@ -607,11 +606,18 @@ static int do_cls_rule(struct net_device *net_dev,
fs_act.options |= DPNI_FS_OPT_DISCARD;
else
fs_act.flow_id = fs->ring_cookie;
- err = dpni_add_fs_entry(priv->mc_io, 0, priv->mc_token, 0,
- fs->location, &rule_cfg, &fs_act);
- } else {
- err = dpni_remove_fs_entry(priv->mc_io, 0, priv->mc_token, 0,
- &rule_cfg);
+ }
+ for (i = 0; i < dpaa2_eth_tc_count(priv); i++) {
+ if (add)
+ err = dpni_add_fs_entry(priv->mc_io, 0, priv->mc_token,
+ i, fs->location, &rule_cfg,
+ &fs_act);
+ else
+ err = dpni_remove_fs_entry(priv->mc_io, 0,
+ priv->mc_token, i,
+ &rule_cfg);
+ if (err)
+ break;
}
dma_unmap_single(dev, key_iova, rule_cfg.key_size * 2, DMA_TO_DEVICE);
@@ -635,7 +641,7 @@ static int num_rules(struct dpaa2_eth_priv *priv)
static int update_cls_rule(struct net_device *net_dev,
struct ethtool_rx_flow_spec *new_fs,
- int location)
+ unsigned int location)
{
struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
struct dpaa2_eth_cls_rule *rule;
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
index d9b6918807af..fd069f67be9b 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
@@ -59,6 +59,10 @@
#define DPNI_CMDID_SET_RX_TC_DIST DPNI_CMD(0x235)
+#define DPNI_CMDID_SET_QOS_TBL DPNI_CMD(0x240)
+#define DPNI_CMDID_ADD_QOS_ENT DPNI_CMD(0x241)
+#define DPNI_CMDID_REMOVE_QOS_ENT DPNI_CMD(0x242)
+#define DPNI_CMDID_CLR_QOS_TBL DPNI_CMD(0x243)
#define DPNI_CMDID_ADD_FS_ENT DPNI_CMD(0x244)
#define DPNI_CMDID_REMOVE_FS_ENT DPNI_CMD(0x245)
#define DPNI_CMDID_CLR_FS_ENT DPNI_CMD(0x246)
@@ -567,4 +571,59 @@ struct dpni_cmd_remove_fs_entry {
__le64 mask_iova;
};
+#define DPNI_DISCARD_ON_MISS_SHIFT 0
+#define DPNI_DISCARD_ON_MISS_SIZE 1
+
+struct dpni_cmd_set_qos_table {
+ __le32 pad;
+ u8 default_tc;
+ /* only the LSB */
+ u8 discard_on_miss;
+ __le16 pad1[21];
+ __le64 key_cfg_iova;
+};
+
+struct dpni_cmd_add_qos_entry {
+ __le16 pad;
+ u8 tc_id;
+ u8 key_size;
+ __le16 index;
+ __le16 pad1;
+ __le64 key_iova;
+ __le64 mask_iova;
+};
+
+struct dpni_cmd_remove_qos_entry {
+ u8 pad[3];
+ u8 key_size;
+ __le32 pad1;
+ __le64 key_iova;
+ __le64 mask_iova;
+};
+
+#define DPNI_DEST_TYPE_SHIFT 0
+#define DPNI_DEST_TYPE_SIZE 4
+#define DPNI_CONG_UNITS_SHIFT 4
+#define DPNI_CONG_UNITS_SIZE 2
+
+struct dpni_cmd_set_congestion_notification {
+ /* cmd word 0 */
+ u8 qtype;
+ u8 tc;
+ u8 pad[6];
+ /* cmd word 1 */
+ __le32 dest_id;
+ __le16 notification_mode;
+ u8 dest_priority;
+ /* from LSB: dest_type: 4 units:2 */
+ u8 type_units;
+ /* cmd word 2 */
+ __le64 message_iova;
+ /* cmd word 3 */
+ __le64 message_ctx;
+ /* cmd word 4 */
+ __le32 threshold_entry;
+ __le32 threshold_exit;
+};
+
#endif /* _FSL_DPNI_CMD_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
index dd54e6953aeb..6b479ba66465 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -1355,6 +1355,52 @@ int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io,
}
/**
+ * dpni_set_congestion_notification() - Set traffic class congestion
+ * notification configuration
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @qtype: Type of queue - Rx, Tx and Tx confirm types are supported
+ * @tc_id: Traffic class selection (0-7)
+ * @cfg: Congestion notification configuration
+ *
+ * Return: '0' on Success; error code otherwise.
+ */
+int dpni_set_congestion_notification(
+ struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ enum dpni_queue_type qtype,
+ u8 tc_id,
+ const struct dpni_congestion_notification_cfg *cfg)
+{
+ struct dpni_cmd_set_congestion_notification *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header =
+ mc_encode_cmd_header(DPNI_CMDID_SET_CONGESTION_NOTIFICATION,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpni_cmd_set_congestion_notification *)cmd.params;
+ cmd_params->qtype = qtype;
+ cmd_params->tc = tc_id;
+ cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
+ cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode);
+ cmd_params->dest_priority = cfg->dest_cfg.priority;
+ dpni_set_field(cmd_params->type_units, DEST_TYPE,
+ cfg->dest_cfg.dest_type);
+ dpni_set_field(cmd_params->type_units, CONG_UNITS, cfg->units);
+ cmd_params->message_iova = cpu_to_le64(cfg->message_iova);
+ cmd_params->message_ctx = cpu_to_le64(cfg->message_ctx);
+ cmd_params->threshold_entry = cpu_to_le32(cfg->threshold_entry);
+ cmd_params->threshold_exit = cpu_to_le32(cfg->threshold_exit);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
* dpni_set_queue() - Set queue parameters
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
@@ -1786,3 +1832,134 @@ int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
/* send command to mc*/
return mc_send_command(mc_io, &cmd);
}
+
+/**
+ * dpni_set_qos_table() - Set QoS mapping table
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @cfg: QoS table configuration
+ *
+ * This function and all QoS-related functions require that
+ *'max_tcs > 1' was set at DPNI creation.
+ *
+ * warning: Before calling this function, call dpkg_prepare_key_cfg() to
+ * prepare the key_cfg_iova parameter
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_set_qos_table(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_qos_tbl_cfg *cfg)
+{
+ struct dpni_cmd_set_qos_table *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QOS_TBL,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpni_cmd_set_qos_table *)cmd.params;
+ cmd_params->default_tc = cfg->default_tc;
+ cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
+ dpni_set_field(cmd_params->discard_on_miss, DISCARD_ON_MISS,
+ cfg->discard_on_miss);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_add_qos_entry() - Add QoS mapping entry (to select a traffic class)
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @cfg: QoS rule to add
+ * @tc_id: Traffic class selection (0-7)
+ * @index: Location in the QoS table where to insert the entry.
+ * Only relevant if MASKING is enabled for QoS classification on
+ * this DPNI, it is ignored for exact match.
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_add_qos_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_rule_cfg *cfg,
+ u8 tc_id,
+ u16 index)
+{
+ struct dpni_cmd_add_qos_entry *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_QOS_ENT,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpni_cmd_add_qos_entry *)cmd.params;
+ cmd_params->tc_id = tc_id;
+ cmd_params->key_size = cfg->key_size;
+ cmd_params->index = cpu_to_le16(index);
+ cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_remove_qos_entry() - Remove QoS mapping entry
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ * @cfg: QoS rule to remove
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_rule_cfg *cfg)
+{
+ struct dpni_cmd_remove_qos_entry *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_QOS_ENT,
+ cmd_flags,
+ token);
+ cmd_params = (struct dpni_cmd_remove_qos_entry *)cmd.params;
+ cmd_params->key_size = cfg->key_size;
+ cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+ cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_clear_qos_table() - Clear all QoS mapping entries
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ *
+ * Following this function call, all frames are directed to
+ * the default traffic class (0)
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_QOS_TBL,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
index ee0711d06b3a..e874d8084142 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -514,6 +514,11 @@ int dpni_get_statistics(struct fsl_mc_io *mc_io,
#define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL
/**
+ * Enable priority flow control pause frames
+ */
+#define DPNI_LINK_OPT_PFC_PAUSE 0x0000000000000010ULL
+
+/**
* struct - Structure representing DPNI link configuration
* @rate: Rate
* @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values
@@ -716,6 +721,26 @@ int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io,
const struct dpni_rx_dist_cfg *cfg);
/**
+ * struct dpni_qos_tbl_cfg - Structure representing QOS table configuration
+ * @key_cfg_iova: I/O virtual address of 256 bytes DMA-able memory filled with
+ * key extractions to be used as the QoS criteria by calling
+ * dpkg_prepare_key_cfg()
+ * @discard_on_miss: Set to '1' to discard frames in case of no match (miss);
+ * '0' to use the 'default_tc' in such cases
+ * @default_tc: Used in case of no-match and 'discard_on_miss'= 0
+ */
+struct dpni_qos_tbl_cfg {
+ u64 key_cfg_iova;
+ int discard_on_miss;
+ u8 default_tc;
+};
+
+int dpni_set_qos_table(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_qos_tbl_cfg *cfg);
+
+/**
* enum dpni_dest - DPNI destination types
* @DPNI_DEST_NONE: Unassigned destination; The queue is set in parked mode and
* does not generate FQDAN notifications; user is expected to
@@ -858,6 +883,62 @@ enum dpni_congestion_point {
};
/**
+ * struct dpni_dest_cfg - Structure representing DPNI destination parameters
+ * @dest_type: Destination type
+ * @dest_id: Either DPIO ID or DPCON ID, depending on the destination type
+ * @priority: Priority selection within the DPIO or DPCON channel; valid
+ * values are 0-1 or 0-7, depending on the number of priorities
+ * in that channel; not relevant for 'DPNI_DEST_NONE' option
+ */
+struct dpni_dest_cfg {
+ enum dpni_dest dest_type;
+ int dest_id;
+ u8 priority;
+};
+
+/* DPNI congestion options */
+
+/**
+ * This congestion will trigger flow control or priority flow control.
+ * This will have effect only if flow control is enabled with
+ * dpni_set_link_cfg().
+ */
+#define DPNI_CONG_OPT_FLOW_CONTROL 0x00000040
+
+/**
+ * struct dpni_congestion_notification_cfg - congestion notification
+ * configuration
+ * @units: Units type
+ * @threshold_entry: Above this threshold we enter a congestion state.
+ * set it to '0' to disable it
+ * @threshold_exit: Below this threshold we exit the congestion state.
+ * @message_ctx: The context that will be part of the CSCN message
+ * @message_iova: I/O virtual address (must be in DMA-able memory),
+ * must be 16B aligned; valid only if 'DPNI_CONG_OPT_WRITE_MEM_<X>'
+ * is contained in 'options'
+ * @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel
+ * @notification_mode: Mask of available options; use 'DPNI_CONG_OPT_<X>' values
+ */
+
+struct dpni_congestion_notification_cfg {
+ enum dpni_congestion_unit units;
+ u32 threshold_entry;
+ u32 threshold_exit;
+ u64 message_ctx;
+ u64 message_iova;
+ struct dpni_dest_cfg dest_cfg;
+ u16 notification_mode;
+};
+
+int dpni_set_congestion_notification(
+ struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ enum dpni_queue_type qtype,
+ u8 tc_id,
+ const struct dpni_congestion_notification_cfg *cfg);
+
+/**
* struct dpni_taildrop - Structure representing the taildrop
* @enable: Indicates whether the taildrop is active or not.
* @units: Indicates the unit of THRESHOLD. Queue taildrop only supports
@@ -961,6 +1042,22 @@ int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
u8 tc_id,
const struct dpni_rule_cfg *cfg);
+int dpni_add_qos_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_rule_cfg *cfg,
+ u8 tc_id,
+ u16 index);
+
+int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ const struct dpni_rule_cfg *cfg);
+
+int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
int dpni_get_api_version(struct fsl_mc_io *mc_io,
u32 cmd_flags,
u16 *major_ver,
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index ccf2611f4a20..298c55786fd9 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -756,6 +756,9 @@ void enetc_get_si_caps(struct enetc_si *si)
if (val & ENETC_SIPCAPR0_QBV)
si->hw_features |= ENETC_SI_F_QBV;
+
+ if (val & ENETC_SIPCAPR0_PSFP)
+ si->hw_features |= ENETC_SI_F_PSFP;
}
static int enetc_dma_alloc_bdr(struct enetc_bdr *r, size_t bd_size)
@@ -1518,6 +1521,8 @@ int enetc_setup_tc(struct net_device *ndev, enum tc_setup_type type,
return enetc_setup_tc_cbs(ndev, type_data);
case TC_SETUP_QDISC_ETF:
return enetc_setup_tc_txtime(ndev, type_data);
+ case TC_SETUP_BLOCK:
+ return enetc_setup_tc_psfp(ndev, type_data);
default:
return -EOPNOTSUPP;
}
@@ -1567,15 +1572,42 @@ static int enetc_set_rss(struct net_device *ndev, int en)
return 0;
}
+static int enetc_set_psfp(struct net_device *ndev, int en)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ int err;
+
+ if (en) {
+ err = enetc_psfp_enable(priv);
+ if (err)
+ return err;
+
+ priv->active_offloads |= ENETC_F_QCI;
+ return 0;
+ }
+
+ err = enetc_psfp_disable(priv);
+ if (err)
+ return err;
+
+ priv->active_offloads &= ~ENETC_F_QCI;
+
+ return 0;
+}
+
int enetc_set_features(struct net_device *ndev,
netdev_features_t features)
{
netdev_features_t changed = ndev->features ^ features;
+ int err = 0;
if (changed & NETIF_F_RXHASH)
enetc_set_rss(ndev, !!(features & NETIF_F_RXHASH));
- return 0;
+ if (changed & NETIF_F_HW_TC)
+ err = enetc_set_psfp(ndev, !!(features & NETIF_F_HW_TC));
+
+ return err;
}
#ifdef CONFIG_FSL_ENETC_PTP_CLOCK
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h
index 56c43f35b633..b705464f6882 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc.h
@@ -151,6 +151,7 @@ enum enetc_errata {
};
#define ENETC_SI_F_QBV BIT(0)
+#define ENETC_SI_F_PSFP BIT(1)
/* PCI IEP device data */
struct enetc_si {
@@ -203,12 +204,20 @@ struct enetc_cls_rule {
};
#define ENETC_MAX_BDR_INT 2 /* fixed to max # of available cpus */
+struct psfp_cap {
+ u32 max_streamid;
+ u32 max_psfp_filter;
+ u32 max_psfp_gate;
+ u32 max_psfp_gatelist;
+ u32 max_psfp_meter;
+};
/* TODO: more hardware offloads */
enum enetc_active_offloads {
ENETC_F_RX_TSTAMP = BIT(0),
ENETC_F_TX_TSTAMP = BIT(1),
ENETC_F_QBV = BIT(2),
+ ENETC_F_QCI = BIT(3),
};
struct enetc_ndev_priv {
@@ -231,6 +240,8 @@ struct enetc_ndev_priv {
struct enetc_cls_rule *cls_rules;
+ struct psfp_cap psfp_cap;
+
struct device_node *phy_node;
phy_interface_t if_mode;
};
@@ -289,9 +300,84 @@ int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data);
void enetc_sched_speed_set(struct net_device *ndev);
int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data);
int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data);
+int enetc_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv);
+int enetc_setup_tc_psfp(struct net_device *ndev, void *type_data);
+int enetc_psfp_init(struct enetc_ndev_priv *priv);
+int enetc_psfp_clean(struct enetc_ndev_priv *priv);
+
+static inline void enetc_get_max_cap(struct enetc_ndev_priv *priv)
+{
+ u32 reg;
+
+ reg = enetc_port_rd(&priv->si->hw, ENETC_PSIDCAPR);
+ priv->psfp_cap.max_streamid = reg & ENETC_PSIDCAPR_MSK;
+ /* Port stream filter capability */
+ reg = enetc_port_rd(&priv->si->hw, ENETC_PSFCAPR);
+ priv->psfp_cap.max_psfp_filter = reg & ENETC_PSFCAPR_MSK;
+ /* Port stream gate capability */
+ reg = enetc_port_rd(&priv->si->hw, ENETC_PSGCAPR);
+ priv->psfp_cap.max_psfp_gate = (reg & ENETC_PSGCAPR_SGIT_MSK);
+ priv->psfp_cap.max_psfp_gatelist = (reg & ENETC_PSGCAPR_GCL_MSK) >> 16;
+ /* Port flow meter capability */
+ reg = enetc_port_rd(&priv->si->hw, ENETC_PFMCAPR);
+ priv->psfp_cap.max_psfp_meter = reg & ENETC_PFMCAPR_MSK;
+}
+
+static inline int enetc_psfp_enable(struct enetc_ndev_priv *priv)
+{
+ struct enetc_hw *hw = &priv->si->hw;
+ int err;
+
+ enetc_get_max_cap(priv);
+
+ err = enetc_psfp_init(priv);
+ if (err)
+ return err;
+
+ enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR) |
+ ENETC_PPSFPMR_PSFPEN | ENETC_PPSFPMR_VS |
+ ENETC_PPSFPMR_PVC | ENETC_PPSFPMR_PVZC);
+
+ return 0;
+}
+
+static inline int enetc_psfp_disable(struct enetc_ndev_priv *priv)
+{
+ struct enetc_hw *hw = &priv->si->hw;
+ int err;
+
+ err = enetc_psfp_clean(priv);
+ if (err)
+ return err;
+
+ enetc_wr(hw, ENETC_PPSFPMR, enetc_rd(hw, ENETC_PPSFPMR) &
+ ~ENETC_PPSFPMR_PSFPEN & ~ENETC_PPSFPMR_VS &
+ ~ENETC_PPSFPMR_PVC & ~ENETC_PPSFPMR_PVZC);
+
+ memset(&priv->psfp_cap, 0, sizeof(struct psfp_cap));
+
+ return 0;
+}
+
#else
#define enetc_setup_tc_taprio(ndev, type_data) -EOPNOTSUPP
#define enetc_sched_speed_set(ndev) (void)0
#define enetc_setup_tc_cbs(ndev, type_data) -EOPNOTSUPP
#define enetc_setup_tc_txtime(ndev, type_data) -EOPNOTSUPP
+#define enetc_setup_tc_psfp(ndev, type_data) -EOPNOTSUPP
+#define enetc_setup_tc_block_cb NULL
+
+#define enetc_get_max_cap(p) \
+ memset(&((p)->psfp_cap), 0, sizeof(struct psfp_cap))
+
+static inline int enetc_psfp_enable(struct enetc_ndev_priv *priv)
+{
+ return 0;
+}
+
+static inline int enetc_psfp_disable(struct enetc_ndev_priv *priv)
+{
+ return 0;
+}
#endif
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 2a6523136947..6314051bc6c1 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -19,6 +19,7 @@
#define ENETC_SICTR1 0x1c
#define ENETC_SIPCAPR0 0x20
#define ENETC_SIPCAPR0_QBV BIT(4)
+#define ENETC_SIPCAPR0_PSFP BIT(9)
#define ENETC_SIPCAPR0_RSS BIT(8)
#define ENETC_SIPCAPR1 0x24
#define ENETC_SITGTGR 0x30
@@ -228,6 +229,15 @@ enum enetc_bdr_type {TX, RX};
#define ENETC_PM0_IFM_RLP (BIT(5) | BIT(11))
#define ENETC_PM0_IFM_RGAUTO (BIT(15) | ENETC_PMO_IFM_RG | BIT(1))
#define ENETC_PM0_IFM_XGMII BIT(12)
+#define ENETC_PSIDCAPR 0x1b08
+#define ENETC_PSIDCAPR_MSK GENMASK(15, 0)
+#define ENETC_PSFCAPR 0x1b18
+#define ENETC_PSFCAPR_MSK GENMASK(15, 0)
+#define ENETC_PSGCAPR 0x1b28
+#define ENETC_PSGCAPR_GCL_MSK GENMASK(18, 16)
+#define ENETC_PSGCAPR_SGIT_MSK GENMASK(15, 0)
+#define ENETC_PFMCAPR 0x1b38
+#define ENETC_PFMCAPR_MSK GENMASK(15, 0)
/* MAC counters */
#define ENETC_PM0_REOCT 0x8100
@@ -557,6 +567,9 @@ enum bdcr_cmd_class {
BDCR_CMD_RFS,
BDCR_CMD_PORT_GCL,
BDCR_CMD_RECV_CLASSIFIER,
+ BDCR_CMD_STREAM_IDENTIFY,
+ BDCR_CMD_STREAM_FILTER,
+ BDCR_CMD_STREAM_GCL,
__BDCR_CMD_MAX_LEN,
BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1,
};
@@ -588,13 +601,152 @@ struct tgs_gcl_data {
struct gce entry[];
};
+/* class 7, command 0, Stream Identity Entry Configuration */
+struct streamid_conf {
+ __le32 stream_handle; /* init gate value */
+ __le32 iports;
+ u8 id_type;
+ u8 oui[3];
+ u8 res[3];
+ u8 en;
+};
+
+#define ENETC_CBDR_SID_VID_MASK 0xfff
+#define ENETC_CBDR_SID_VIDM BIT(12)
+#define ENETC_CBDR_SID_TG_MASK 0xc000
+/* streamid_conf address point to this data space */
+struct streamid_data {
+ union {
+ u8 dmac[6];
+ u8 smac[6];
+ };
+ u16 vid_vidm_tg;
+};
+
+#define ENETC_CBDR_SFI_PRI_MASK 0x7
+#define ENETC_CBDR_SFI_PRIM BIT(3)
+#define ENETC_CBDR_SFI_BLOV BIT(4)
+#define ENETC_CBDR_SFI_BLEN BIT(5)
+#define ENETC_CBDR_SFI_MSDUEN BIT(6)
+#define ENETC_CBDR_SFI_FMITEN BIT(7)
+#define ENETC_CBDR_SFI_ENABLE BIT(7)
+/* class 8, command 0, Stream Filter Instance, Short Format */
+struct sfi_conf {
+ __le32 stream_handle;
+ u8 multi;
+ u8 res[2];
+ u8 sthm;
+ /* Max Service Data Unit or Flow Meter Instance Table index.
+ * Depending on the value of FLT this represents either Max
+ * Service Data Unit (max frame size) allowed by the filter
+ * entry or is an index into the Flow Meter Instance table
+ * index identifying the policer which will be used to police
+ * it.
+ */
+ __le16 fm_inst_table_index;
+ __le16 msdu;
+ __le16 sg_inst_table_index;
+ u8 res1[2];
+ __le32 input_ports;
+ u8 res2[3];
+ u8 en;
+};
+
+/* class 8, command 2 stream Filter Instance status query short format
+ * command no need structure define
+ * Stream Filter Instance Query Statistics Response data
+ */
+struct sfi_counter_data {
+ u32 matchl;
+ u32 matchh;
+ u32 msdu_dropl;
+ u32 msdu_droph;
+ u32 stream_gate_dropl;
+ u32 stream_gate_droph;
+ u32 flow_meter_dropl;
+ u32 flow_meter_droph;
+};
+
+#define ENETC_CBDR_SGI_OIPV_MASK 0x7
+#define ENETC_CBDR_SGI_OIPV_EN BIT(3)
+#define ENETC_CBDR_SGI_CGTST BIT(6)
+#define ENETC_CBDR_SGI_OGTST BIT(7)
+#define ENETC_CBDR_SGI_CFG_CHG BIT(1)
+#define ENETC_CBDR_SGI_CFG_PND BIT(2)
+#define ENETC_CBDR_SGI_OEX BIT(4)
+#define ENETC_CBDR_SGI_OEXEN BIT(5)
+#define ENETC_CBDR_SGI_IRX BIT(6)
+#define ENETC_CBDR_SGI_IRXEN BIT(7)
+#define ENETC_CBDR_SGI_ACLLEN_MASK 0x3
+#define ENETC_CBDR_SGI_OCLLEN_MASK 0xc
+#define ENETC_CBDR_SGI_EN BIT(7)
+/* class 9, command 0, Stream Gate Instance Table, Short Format
+ * class 9, command 2, Stream Gate Instance Table entry query write back
+ * Short Format
+ */
+struct sgi_table {
+ u8 res[8];
+ u8 oipv;
+ u8 res0[2];
+ u8 ocgtst;
+ u8 res1[7];
+ u8 gset;
+ u8 oacl_len;
+ u8 res2[2];
+ u8 en;
+};
+
+#define ENETC_CBDR_SGI_AIPV_MASK 0x7
+#define ENETC_CBDR_SGI_AIPV_EN BIT(3)
+#define ENETC_CBDR_SGI_AGTST BIT(7)
+
+/* class 9, command 1, Stream Gate Control List, Long Format */
+struct sgcl_conf {
+ u8 aipv;
+ u8 res[2];
+ u8 agtst;
+ u8 res1[4];
+ union {
+ struct {
+ u8 res2[4];
+ u8 acl_len;
+ u8 res3[3];
+ };
+ u8 cct[8]; /* Config change time */
+ };
+};
+
+#define ENETC_CBDR_SGL_IOMEN BIT(0)
+#define ENETC_CBDR_SGL_IPVEN BIT(3)
+#define ENETC_CBDR_SGL_GTST BIT(4)
+#define ENETC_CBDR_SGL_IPV_MASK 0xe
+/* Stream Gate Control List Entry */
+struct sgce {
+ u32 interval;
+ u8 msdu[3];
+ u8 multi;
+};
+
+/* stream control list class 9 , cmd 1 data buffer */
+struct sgcl_data {
+ u32 btl;
+ u32 bth;
+ u32 ct;
+ u32 cte;
+ struct sgce sgcl[0];
+};
+
struct enetc_cbd {
union{
+ struct sfi_conf sfi_conf;
+ struct sgi_table sgi_table;
struct {
__le32 addr[2];
union {
__le32 opt[4];
struct tgs_gcl_conf gcl_conf;
+ struct streamid_conf sid_set;
+ struct sgcl_conf sgcl_conf;
};
}; /* Long format */
__le32 data[6];
@@ -621,3 +773,10 @@ struct enetc_cbd {
/* Port time specific departure */
#define ENETC_PTCTSDR(n) (0x1210 + 4 * (n))
#define ENETC_TSDE BIT(31)
+
+/* PSFP setting */
+#define ENETC_PPSFPMR 0x11b00
+#define ENETC_PPSFPMR_PSFPEN BIT(0)
+#define ENETC_PPSFPMR_VS BIT(1)
+#define ENETC_PPSFPMR_PVC BIT(2)
+#define ENETC_PPSFPMR_PVZC BIT(3)
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
index ebc635f8a4cc..15f37c5b8dc1 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
@@ -74,8 +74,8 @@ err_pci_mem_reg:
pci_disable_device(pdev);
err_pci_enable:
err_mdiobus_alloc:
- iounmap(port_regs);
err_hw_alloc:
+ iounmap(port_regs);
err_ioremap:
return err;
}
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pf.c b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
index 85e2b741df41..824d211ec00f 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c
@@ -50,21 +50,6 @@ static void enetc_set_vlan_promisc(struct enetc_hw *hw, char si_map)
enetc_port_wr(hw, ENETC_PSIPVMR, ENETC_PSIPVMR_SET_VP(si_map) | val);
}
-static bool enetc_si_vlan_promisc_is_on(struct enetc_pf *pf, int si_idx)
-{
- return pf->vlan_promisc_simap & BIT(si_idx);
-}
-
-static bool enetc_vlan_filter_is_on(struct enetc_pf *pf)
-{
- int i;
-
- for_each_set_bit(i, pf->active_vlans, VLAN_N_VID)
- return true;
-
- return false;
-}
-
static void enetc_enable_si_vlan_promisc(struct enetc_pf *pf, int si_idx)
{
pf->vlan_promisc_simap |= BIT(si_idx);
@@ -204,6 +189,7 @@ static void enetc_pf_set_rx_mode(struct net_device *ndev)
{
struct enetc_ndev_priv *priv = netdev_priv(ndev);
struct enetc_pf *pf = enetc_si_priv(priv->si);
+ char vlan_promisc_simap = pf->vlan_promisc_simap;
struct enetc_hw *hw = &priv->si->hw;
bool uprom = false, mprom = false;
struct enetc_mac_filter *filter;
@@ -216,16 +202,16 @@ static void enetc_pf_set_rx_mode(struct net_device *ndev)
psipmr = ENETC_PSIPMR_SET_UP(0) | ENETC_PSIPMR_SET_MP(0);
uprom = true;
mprom = true;
- /* enable VLAN promisc mode for SI0 */
- if (!enetc_si_vlan_promisc_is_on(pf, 0))
- enetc_enable_si_vlan_promisc(pf, 0);
-
+ /* Enable VLAN promiscuous mode for SI0 (PF) */
+ vlan_promisc_simap |= BIT(0);
} else if (ndev->flags & IFF_ALLMULTI) {
/* enable multi cast promisc mode for SI0 (PF) */
psipmr = ENETC_PSIPMR_SET_MP(0);
mprom = true;
}
+ enetc_set_vlan_promisc(&pf->si->hw, vlan_promisc_simap);
+
/* first 2 filter entries belong to PF */
if (!uprom) {
/* Update unicast filters */
@@ -306,9 +292,6 @@ static int enetc_vlan_rx_add_vid(struct net_device *ndev, __be16 prot, u16 vid)
struct enetc_pf *pf = enetc_si_priv(priv->si);
int idx;
- if (enetc_si_vlan_promisc_is_on(pf, 0))
- enetc_disable_si_vlan_promisc(pf, 0);
-
__set_bit(vid, pf->active_vlans);
idx = enetc_vid_hash_idx(vid);
@@ -326,9 +309,6 @@ static int enetc_vlan_rx_del_vid(struct net_device *ndev, __be16 prot, u16 vid)
__clear_bit(vid, pf->active_vlans);
enetc_sync_vlan_ht_filter(pf, true);
- if (!enetc_vlan_filter_is_on(pf))
- enetc_enable_si_vlan_promisc(pf, 0);
-
return 0;
}
@@ -677,6 +657,15 @@ static int enetc_pf_set_features(struct net_device *ndev,
enetc_enable_txvlan(&priv->si->hw, 0,
!!(features & NETIF_F_HW_VLAN_CTAG_TX));
+ if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) {
+ struct enetc_pf *pf = enetc_si_priv(priv->si);
+
+ if (!!(features & NETIF_F_HW_VLAN_CTAG_FILTER))
+ enetc_disable_si_vlan_promisc(pf, 0);
+ else
+ enetc_enable_si_vlan_promisc(pf, 0);
+ }
+
if (changed & NETIF_F_LOOPBACK)
enetc_set_loopback(ndev, !!(features & NETIF_F_LOOPBACK));
@@ -719,12 +708,11 @@ static void enetc_pf_netdev_setup(struct enetc_si *si, struct net_device *ndev,
ndev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | NETIF_F_HW_CSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX |
- NETIF_F_LOOPBACK;
+ NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_LOOPBACK;
ndev->features = NETIF_F_HIGHDMA | NETIF_F_SG |
NETIF_F_RXCSUM | NETIF_F_HW_CSUM |
NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_CTAG_RX |
- NETIF_F_HW_VLAN_CTAG_FILTER;
+ NETIF_F_HW_VLAN_CTAG_RX;
if (si->num_rss)
ndev->hw_features |= NETIF_F_RXHASH;
@@ -739,6 +727,12 @@ static void enetc_pf_netdev_setup(struct enetc_si *si, struct net_device *ndev,
if (si->hw_features & ENETC_SI_F_QBV)
priv->active_offloads |= ENETC_F_QBV;
+ if (si->hw_features & ENETC_SI_F_PSFP && !enetc_psfp_enable(priv)) {
+ priv->active_offloads |= ENETC_F_QCI;
+ ndev->features |= NETIF_F_HW_TC;
+ ndev->hw_features |= NETIF_F_HW_TC;
+ }
+
/* pick up primary MAC address from SI */
enetc_get_primary_mac_addr(&si->hw, ndev->dev_addr);
}
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
index 0c6bf3a55a9a..fd3df19eaa32 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c
@@ -5,6 +5,9 @@
#include <net/pkt_sched.h>
#include <linux/math64.h>
+#include <linux/refcount.h>
+#include <net/pkt_cls.h>
+#include <net/tc_act/tc_gate.h>
static u16 enetc_get_max_gcl_len(struct enetc_hw *hw)
{
@@ -331,3 +334,1103 @@ int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data)
return 0;
}
+
+enum streamid_type {
+ STREAMID_TYPE_RESERVED = 0,
+ STREAMID_TYPE_NULL,
+ STREAMID_TYPE_SMAC,
+};
+
+enum streamid_vlan_tagged {
+ STREAMID_VLAN_RESERVED = 0,
+ STREAMID_VLAN_TAGGED,
+ STREAMID_VLAN_UNTAGGED,
+ STREAMID_VLAN_ALL,
+};
+
+#define ENETC_PSFP_WILDCARD -1
+#define HANDLE_OFFSET 100
+
+enum forward_type {
+ FILTER_ACTION_TYPE_PSFP = BIT(0),
+ FILTER_ACTION_TYPE_ACL = BIT(1),
+ FILTER_ACTION_TYPE_BOTH = GENMASK(1, 0),
+};
+
+/* This is for limit output type for input actions */
+struct actions_fwd {
+ u64 actions;
+ u64 keys; /* include the must needed keys */
+ enum forward_type output;
+};
+
+struct psfp_streamfilter_counters {
+ u64 matching_frames_count;
+ u64 passing_frames_count;
+ u64 not_passing_frames_count;
+ u64 passing_sdu_count;
+ u64 not_passing_sdu_count;
+ u64 red_frames_count;
+};
+
+struct enetc_streamid {
+ u32 index;
+ union {
+ u8 src_mac[6];
+ u8 dst_mac[6];
+ };
+ u8 filtertype;
+ u16 vid;
+ u8 tagged;
+ s32 handle;
+};
+
+struct enetc_psfp_filter {
+ u32 index;
+ s32 handle;
+ s8 prio;
+ u32 gate_id;
+ s32 meter_id;
+ refcount_t refcount;
+ struct hlist_node node;
+};
+
+struct enetc_psfp_gate {
+ u32 index;
+ s8 init_ipv;
+ u64 basetime;
+ u64 cycletime;
+ u64 cycletimext;
+ u32 num_entries;
+ refcount_t refcount;
+ struct hlist_node node;
+ struct action_gate_entry entries[0];
+};
+
+struct enetc_stream_filter {
+ struct enetc_streamid sid;
+ u32 sfi_index;
+ u32 sgi_index;
+ struct flow_stats stats;
+ struct hlist_node node;
+};
+
+struct enetc_psfp {
+ unsigned long dev_bitmap;
+ unsigned long *psfp_sfi_bitmap;
+ struct hlist_head stream_list;
+ struct hlist_head psfp_filter_list;
+ struct hlist_head psfp_gate_list;
+ spinlock_t psfp_lock; /* spinlock for the struct enetc_psfp r/w */
+};
+
+static struct actions_fwd enetc_act_fwd[] = {
+ {
+ BIT(FLOW_ACTION_GATE),
+ BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS),
+ FILTER_ACTION_TYPE_PSFP
+ },
+ /* example for ACL actions */
+ {
+ BIT(FLOW_ACTION_DROP),
+ 0,
+ FILTER_ACTION_TYPE_ACL
+ }
+};
+
+static struct enetc_psfp epsfp = {
+ .psfp_sfi_bitmap = NULL,
+};
+
+static LIST_HEAD(enetc_block_cb_list);
+
+static inline int enetc_get_port(struct enetc_ndev_priv *priv)
+{
+ return priv->si->pdev->devfn & 0x7;
+}
+
+/* Stream Identity Entry Set Descriptor */
+static int enetc_streamid_hw_set(struct enetc_ndev_priv *priv,
+ struct enetc_streamid *sid,
+ u8 enable)
+{
+ struct enetc_cbd cbd = {.cmd = 0};
+ struct streamid_data *si_data;
+ struct streamid_conf *si_conf;
+ u16 data_size;
+ dma_addr_t dma;
+ int err;
+
+ if (sid->index >= priv->psfp_cap.max_streamid)
+ return -EINVAL;
+
+ if (sid->filtertype != STREAMID_TYPE_NULL &&
+ sid->filtertype != STREAMID_TYPE_SMAC)
+ return -EOPNOTSUPP;
+
+ /* Disable operation before enable */
+ cbd.index = cpu_to_le16((u16)sid->index);
+ cbd.cls = BDCR_CMD_STREAM_IDENTIFY;
+ cbd.status_flags = 0;
+
+ data_size = sizeof(struct streamid_data);
+ si_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
+ cbd.length = cpu_to_le16(data_size);
+
+ dma = dma_map_single(&priv->si->pdev->dev, si_data,
+ data_size, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
+ netdev_err(priv->si->ndev, "DMA mapping failed!\n");
+ kfree(si_data);
+ return -ENOMEM;
+ }
+
+ cbd.addr[0] = lower_32_bits(dma);
+ cbd.addr[1] = upper_32_bits(dma);
+ memset(si_data->dmac, 0xff, ETH_ALEN);
+ si_data->vid_vidm_tg =
+ cpu_to_le16(ENETC_CBDR_SID_VID_MASK
+ + ((0x3 << 14) | ENETC_CBDR_SID_VIDM));
+
+ si_conf = &cbd.sid_set;
+ /* Only one port supported for one entry, set itself */
+ si_conf->iports = 1 << enetc_get_port(priv);
+ si_conf->id_type = 1;
+ si_conf->oui[2] = 0x0;
+ si_conf->oui[1] = 0x80;
+ si_conf->oui[0] = 0xC2;
+
+ err = enetc_send_cmd(priv->si, &cbd);
+ if (err)
+ return -EINVAL;
+
+ if (!enable) {
+ kfree(si_data);
+ return 0;
+ }
+
+ /* Enable the entry overwrite again incase space flushed by hardware */
+ memset(&cbd, 0, sizeof(cbd));
+
+ cbd.index = cpu_to_le16((u16)sid->index);
+ cbd.cmd = 0;
+ cbd.cls = BDCR_CMD_STREAM_IDENTIFY;
+ cbd.status_flags = 0;
+
+ si_conf->en = 0x80;
+ si_conf->stream_handle = cpu_to_le32(sid->handle);
+ si_conf->iports = 1 << enetc_get_port(priv);
+ si_conf->id_type = sid->filtertype;
+ si_conf->oui[2] = 0x0;
+ si_conf->oui[1] = 0x80;
+ si_conf->oui[0] = 0xC2;
+
+ memset(si_data, 0, data_size);
+
+ cbd.length = cpu_to_le16(data_size);
+
+ cbd.addr[0] = lower_32_bits(dma);
+ cbd.addr[1] = upper_32_bits(dma);
+
+ /* VIDM default to be 1.
+ * VID Match. If set (b1) then the VID must match, otherwise
+ * any VID is considered a match. VIDM setting is only used
+ * when TG is set to b01.
+ */
+ if (si_conf->id_type == STREAMID_TYPE_NULL) {
+ ether_addr_copy(si_data->dmac, sid->dst_mac);
+ si_data->vid_vidm_tg =
+ cpu_to_le16((sid->vid & ENETC_CBDR_SID_VID_MASK) +
+ ((((u16)(sid->tagged) & 0x3) << 14)
+ | ENETC_CBDR_SID_VIDM));
+ } else if (si_conf->id_type == STREAMID_TYPE_SMAC) {
+ ether_addr_copy(si_data->smac, sid->src_mac);
+ si_data->vid_vidm_tg =
+ cpu_to_le16((sid->vid & ENETC_CBDR_SID_VID_MASK) +
+ ((((u16)(sid->tagged) & 0x3) << 14)
+ | ENETC_CBDR_SID_VIDM));
+ }
+
+ err = enetc_send_cmd(priv->si, &cbd);
+ kfree(si_data);
+
+ return err;
+}
+
+/* Stream Filter Instance Set Descriptor */
+static int enetc_streamfilter_hw_set(struct enetc_ndev_priv *priv,
+ struct enetc_psfp_filter *sfi,
+ u8 enable)
+{
+ struct enetc_cbd cbd = {.cmd = 0};
+ struct sfi_conf *sfi_config;
+
+ cbd.index = cpu_to_le16(sfi->index);
+ cbd.cls = BDCR_CMD_STREAM_FILTER;
+ cbd.status_flags = 0x80;
+ cbd.length = cpu_to_le16(1);
+
+ sfi_config = &cbd.sfi_conf;
+ if (!enable)
+ goto exit;
+
+ sfi_config->en = 0x80;
+
+ if (sfi->handle >= 0) {
+ sfi_config->stream_handle =
+ cpu_to_le32(sfi->handle);
+ sfi_config->sthm |= 0x80;
+ }
+
+ sfi_config->sg_inst_table_index = cpu_to_le16(sfi->gate_id);
+ sfi_config->input_ports = 1 << enetc_get_port(priv);
+
+ /* The priority value which may be matched against the
+ * frame’s priority value to determine a match for this entry.
+ */
+ if (sfi->prio >= 0)
+ sfi_config->multi |= (sfi->prio & 0x7) | 0x8;
+
+ /* Filter Type. Identifies the contents of the MSDU/FM_INST_INDEX
+ * field as being either an MSDU value or an index into the Flow
+ * Meter Instance table.
+ * TODO: no limit max sdu
+ */
+
+ if (sfi->meter_id >= 0) {
+ sfi_config->fm_inst_table_index = cpu_to_le16(sfi->meter_id);
+ sfi_config->multi |= 0x80;
+ }
+
+exit:
+ return enetc_send_cmd(priv->si, &cbd);
+}
+
+static int enetc_streamcounter_hw_get(struct enetc_ndev_priv *priv,
+ u32 index,
+ struct psfp_streamfilter_counters *cnt)
+{
+ struct enetc_cbd cbd = { .cmd = 2 };
+ struct sfi_counter_data *data_buf;
+ dma_addr_t dma;
+ u16 data_size;
+ int err;
+
+ cbd.index = cpu_to_le16((u16)index);
+ cbd.cmd = 2;
+ cbd.cls = BDCR_CMD_STREAM_FILTER;
+ cbd.status_flags = 0;
+
+ data_size = sizeof(struct sfi_counter_data);
+ data_buf = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
+ if (!data_buf)
+ return -ENOMEM;
+
+ dma = dma_map_single(&priv->si->pdev->dev, data_buf,
+ data_size, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
+ netdev_err(priv->si->ndev, "DMA mapping failed!\n");
+ err = -ENOMEM;
+ goto exit;
+ }
+ cbd.addr[0] = lower_32_bits(dma);
+ cbd.addr[1] = upper_32_bits(dma);
+
+ cbd.length = cpu_to_le16(data_size);
+
+ err = enetc_send_cmd(priv->si, &cbd);
+ if (err)
+ goto exit;
+
+ cnt->matching_frames_count =
+ ((u64)le32_to_cpu(data_buf->matchh) << 32)
+ + data_buf->matchl;
+
+ cnt->not_passing_sdu_count =
+ ((u64)le32_to_cpu(data_buf->msdu_droph) << 32)
+ + data_buf->msdu_dropl;
+
+ cnt->passing_sdu_count = cnt->matching_frames_count
+ - cnt->not_passing_sdu_count;
+
+ cnt->not_passing_frames_count =
+ ((u64)le32_to_cpu(data_buf->stream_gate_droph) << 32)
+ + le32_to_cpu(data_buf->stream_gate_dropl);
+
+ cnt->passing_frames_count = cnt->matching_frames_count
+ - cnt->not_passing_sdu_count
+ - cnt->not_passing_frames_count;
+
+ cnt->red_frames_count =
+ ((u64)le32_to_cpu(data_buf->flow_meter_droph) << 32)
+ + le32_to_cpu(data_buf->flow_meter_dropl);
+
+exit:
+ kfree(data_buf);
+ return err;
+}
+
+static u64 get_ptp_now(struct enetc_hw *hw)
+{
+ u64 now_lo, now_hi, now;
+
+ now_lo = enetc_rd(hw, ENETC_SICTR0);
+ now_hi = enetc_rd(hw, ENETC_SICTR1);
+ now = now_lo | now_hi << 32;
+
+ return now;
+}
+
+static int get_start_ns(u64 now, u64 cycle, u64 *start)
+{
+ u64 n;
+
+ if (!cycle)
+ return -EFAULT;
+
+ n = div64_u64(now, cycle);
+
+ *start = (n + 1) * cycle;
+
+ return 0;
+}
+
+/* Stream Gate Instance Set Descriptor */
+static int enetc_streamgate_hw_set(struct enetc_ndev_priv *priv,
+ struct enetc_psfp_gate *sgi,
+ u8 enable)
+{
+ struct enetc_cbd cbd = { .cmd = 0 };
+ struct sgi_table *sgi_config;
+ struct sgcl_conf *sgcl_config;
+ struct sgcl_data *sgcl_data;
+ struct sgce *sgce;
+ dma_addr_t dma;
+ u16 data_size;
+ int err, i;
+ u64 now;
+
+ cbd.index = cpu_to_le16(sgi->index);
+ cbd.cmd = 0;
+ cbd.cls = BDCR_CMD_STREAM_GCL;
+ cbd.status_flags = 0x80;
+
+ /* disable */
+ if (!enable)
+ return enetc_send_cmd(priv->si, &cbd);
+
+ if (!sgi->num_entries)
+ return 0;
+
+ if (sgi->num_entries > priv->psfp_cap.max_psfp_gatelist ||
+ !sgi->cycletime)
+ return -EINVAL;
+
+ /* enable */
+ sgi_config = &cbd.sgi_table;
+
+ /* Keep open before gate list start */
+ sgi_config->ocgtst = 0x80;
+
+ sgi_config->oipv = (sgi->init_ipv < 0) ?
+ 0x0 : ((sgi->init_ipv & 0x7) | 0x8);
+
+ sgi_config->en = 0x80;
+
+ /* Basic config */
+ err = enetc_send_cmd(priv->si, &cbd);
+ if (err)
+ return -EINVAL;
+
+ memset(&cbd, 0, sizeof(cbd));
+
+ cbd.index = cpu_to_le16(sgi->index);
+ cbd.cmd = 1;
+ cbd.cls = BDCR_CMD_STREAM_GCL;
+ cbd.status_flags = 0;
+
+ sgcl_config = &cbd.sgcl_conf;
+
+ sgcl_config->acl_len = (sgi->num_entries - 1) & 0x3;
+
+ data_size = struct_size(sgcl_data, sgcl, sgi->num_entries);
+
+ sgcl_data = kzalloc(data_size, __GFP_DMA | GFP_KERNEL);
+ if (!sgcl_data)
+ return -ENOMEM;
+
+ cbd.length = cpu_to_le16(data_size);
+
+ dma = dma_map_single(&priv->si->pdev->dev,
+ sgcl_data, data_size,
+ DMA_FROM_DEVICE);
+ if (dma_mapping_error(&priv->si->pdev->dev, dma)) {
+ netdev_err(priv->si->ndev, "DMA mapping failed!\n");
+ kfree(sgcl_data);
+ return -ENOMEM;
+ }
+
+ cbd.addr[0] = lower_32_bits(dma);
+ cbd.addr[1] = upper_32_bits(dma);
+
+ sgce = &sgcl_data->sgcl[0];
+
+ sgcl_config->agtst = 0x80;
+
+ sgcl_data->ct = cpu_to_le32(sgi->cycletime);
+ sgcl_data->cte = cpu_to_le32(sgi->cycletimext);
+
+ if (sgi->init_ipv >= 0)
+ sgcl_config->aipv = (sgi->init_ipv & 0x7) | 0x8;
+
+ for (i = 0; i < sgi->num_entries; i++) {
+ struct action_gate_entry *from = &sgi->entries[i];
+ struct sgce *to = &sgce[i];
+
+ if (from->gate_state)
+ to->multi |= 0x10;
+
+ if (from->ipv >= 0)
+ to->multi |= ((from->ipv & 0x7) << 5) | 0x08;
+
+ if (from->maxoctets >= 0) {
+ to->multi |= 0x01;
+ to->msdu[0] = from->maxoctets & 0xFF;
+ to->msdu[1] = (from->maxoctets >> 8) & 0xFF;
+ to->msdu[2] = (from->maxoctets >> 16) & 0xFF;
+ }
+
+ to->interval = cpu_to_le32(from->interval);
+ }
+
+ /* If basetime is less than now, calculate start time */
+ now = get_ptp_now(&priv->si->hw);
+
+ if (sgi->basetime < now) {
+ u64 start;
+
+ err = get_start_ns(now, sgi->cycletime, &start);
+ if (err)
+ goto exit;
+ sgcl_data->btl = cpu_to_le32(lower_32_bits(start));
+ sgcl_data->bth = cpu_to_le32(upper_32_bits(start));
+ } else {
+ u32 hi, lo;
+
+ hi = upper_32_bits(sgi->basetime);
+ lo = lower_32_bits(sgi->basetime);
+ sgcl_data->bth = cpu_to_le32(hi);
+ sgcl_data->btl = cpu_to_le32(lo);
+ }
+
+ err = enetc_send_cmd(priv->si, &cbd);
+
+exit:
+ kfree(sgcl_data);
+
+ return err;
+}
+
+static struct enetc_stream_filter *enetc_get_stream_by_index(u32 index)
+{
+ struct enetc_stream_filter *f;
+
+ hlist_for_each_entry(f, &epsfp.stream_list, node)
+ if (f->sid.index == index)
+ return f;
+
+ return NULL;
+}
+
+static struct enetc_psfp_gate *enetc_get_gate_by_index(u32 index)
+{
+ struct enetc_psfp_gate *g;
+
+ hlist_for_each_entry(g, &epsfp.psfp_gate_list, node)
+ if (g->index == index)
+ return g;
+
+ return NULL;
+}
+
+static struct enetc_psfp_filter *enetc_get_filter_by_index(u32 index)
+{
+ struct enetc_psfp_filter *s;
+
+ hlist_for_each_entry(s, &epsfp.psfp_filter_list, node)
+ if (s->index == index)
+ return s;
+
+ return NULL;
+}
+
+static struct enetc_psfp_filter
+ *enetc_psfp_check_sfi(struct enetc_psfp_filter *sfi)
+{
+ struct enetc_psfp_filter *s;
+
+ hlist_for_each_entry(s, &epsfp.psfp_filter_list, node)
+ if (s->gate_id == sfi->gate_id &&
+ s->prio == sfi->prio &&
+ s->meter_id == sfi->meter_id)
+ return s;
+
+ return NULL;
+}
+
+static int enetc_get_free_index(struct enetc_ndev_priv *priv)
+{
+ u32 max_size = priv->psfp_cap.max_psfp_filter;
+ unsigned long index;
+
+ index = find_first_zero_bit(epsfp.psfp_sfi_bitmap, max_size);
+ if (index == max_size)
+ return -1;
+
+ return index;
+}
+
+static void stream_filter_unref(struct enetc_ndev_priv *priv, u32 index)
+{
+ struct enetc_psfp_filter *sfi;
+ u8 z;
+
+ sfi = enetc_get_filter_by_index(index);
+ WARN_ON(!sfi);
+ z = refcount_dec_and_test(&sfi->refcount);
+
+ if (z) {
+ enetc_streamfilter_hw_set(priv, sfi, false);
+ hlist_del(&sfi->node);
+ kfree(sfi);
+ clear_bit(index, epsfp.psfp_sfi_bitmap);
+ }
+}
+
+static void stream_gate_unref(struct enetc_ndev_priv *priv, u32 index)
+{
+ struct enetc_psfp_gate *sgi;
+ u8 z;
+
+ sgi = enetc_get_gate_by_index(index);
+ WARN_ON(!sgi);
+ z = refcount_dec_and_test(&sgi->refcount);
+ if (z) {
+ enetc_streamgate_hw_set(priv, sgi, false);
+ hlist_del(&sgi->node);
+ kfree(sgi);
+ }
+}
+
+static void remove_one_chain(struct enetc_ndev_priv *priv,
+ struct enetc_stream_filter *filter)
+{
+ stream_gate_unref(priv, filter->sgi_index);
+ stream_filter_unref(priv, filter->sfi_index);
+
+ hlist_del(&filter->node);
+ kfree(filter);
+}
+
+static int enetc_psfp_hw_set(struct enetc_ndev_priv *priv,
+ struct enetc_streamid *sid,
+ struct enetc_psfp_filter *sfi,
+ struct enetc_psfp_gate *sgi)
+{
+ int err;
+
+ err = enetc_streamid_hw_set(priv, sid, true);
+ if (err)
+ return err;
+
+ if (sfi) {
+ err = enetc_streamfilter_hw_set(priv, sfi, true);
+ if (err)
+ goto revert_sid;
+ }
+
+ err = enetc_streamgate_hw_set(priv, sgi, true);
+ if (err)
+ goto revert_sfi;
+
+ return 0;
+
+revert_sfi:
+ if (sfi)
+ enetc_streamfilter_hw_set(priv, sfi, false);
+revert_sid:
+ enetc_streamid_hw_set(priv, sid, false);
+ return err;
+}
+
+static struct actions_fwd *enetc_check_flow_actions(u64 acts,
+ unsigned int inputkeys)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(enetc_act_fwd); i++)
+ if (acts == enetc_act_fwd[i].actions &&
+ inputkeys & enetc_act_fwd[i].keys)
+ return &enetc_act_fwd[i];
+
+ return NULL;
+}
+
+static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *f)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(f);
+ struct netlink_ext_ack *extack = f->common.extack;
+ struct enetc_stream_filter *filter, *old_filter;
+ struct enetc_psfp_filter *sfi, *old_sfi;
+ struct enetc_psfp_gate *sgi, *old_sgi;
+ struct flow_action_entry *entry;
+ struct action_gate_entry *e;
+ u8 sfi_overwrite = 0;
+ int entries_size;
+ int i, err;
+
+ if (f->common.chain_index >= priv->psfp_cap.max_streamid) {
+ NL_SET_ERR_MSG_MOD(extack, "No Stream identify resource!");
+ return -ENOSPC;
+ }
+
+ flow_action_for_each(i, entry, &rule->action)
+ if (entry->id == FLOW_ACTION_GATE)
+ break;
+
+ if (entry->id != FLOW_ACTION_GATE)
+ return -EINVAL;
+
+ filter = kzalloc(sizeof(*filter), GFP_KERNEL);
+ if (!filter)
+ return -ENOMEM;
+
+ filter->sid.index = f->common.chain_index;
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+ struct flow_match_eth_addrs match;
+
+ flow_rule_match_eth_addrs(rule, &match);
+
+ if (!is_zero_ether_addr(match.mask->dst) &&
+ !is_zero_ether_addr(match.mask->src)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot match on both source and destination MAC");
+ err = EINVAL;
+ goto free_filter;
+ }
+
+ if (!is_zero_ether_addr(match.mask->dst)) {
+ if (!is_broadcast_ether_addr(match.mask->dst)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Masked matching on destination MAC not supported");
+ err = EINVAL;
+ goto free_filter;
+ }
+ ether_addr_copy(filter->sid.dst_mac, match.key->dst);
+ filter->sid.filtertype = STREAMID_TYPE_NULL;
+ }
+
+ if (!is_zero_ether_addr(match.mask->src)) {
+ if (!is_broadcast_ether_addr(match.mask->src)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Masked matching on source MAC not supported");
+ err = EINVAL;
+ goto free_filter;
+ }
+ ether_addr_copy(filter->sid.src_mac, match.key->src);
+ filter->sid.filtertype = STREAMID_TYPE_SMAC;
+ }
+ } else {
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported, must include ETH_ADDRS");
+ err = EINVAL;
+ goto free_filter;
+ }
+
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+ struct flow_match_vlan match;
+
+ flow_rule_match_vlan(rule, &match);
+ if (match.mask->vlan_priority) {
+ if (match.mask->vlan_priority !=
+ (VLAN_PRIO_MASK >> VLAN_PRIO_SHIFT)) {
+ NL_SET_ERR_MSG_MOD(extack, "Only full mask is supported for VLAN priority");
+ err = -EINVAL;
+ goto free_filter;
+ }
+ }
+
+ if (match.mask->vlan_id) {
+ if (match.mask->vlan_id != VLAN_VID_MASK) {
+ NL_SET_ERR_MSG_MOD(extack, "Only full mask is supported for VLAN id");
+ err = -EINVAL;
+ goto free_filter;
+ }
+
+ filter->sid.vid = match.key->vlan_id;
+ if (!filter->sid.vid)
+ filter->sid.tagged = STREAMID_VLAN_UNTAGGED;
+ else
+ filter->sid.tagged = STREAMID_VLAN_TAGGED;
+ }
+ } else {
+ filter->sid.tagged = STREAMID_VLAN_ALL;
+ }
+
+ /* parsing gate action */
+ if (entry->gate.index >= priv->psfp_cap.max_psfp_gate) {
+ NL_SET_ERR_MSG_MOD(extack, "No Stream Gate resource!");
+ err = -ENOSPC;
+ goto free_filter;
+ }
+
+ if (entry->gate.num_entries >= priv->psfp_cap.max_psfp_gatelist) {
+ NL_SET_ERR_MSG_MOD(extack, "No Stream Gate resource!");
+ err = -ENOSPC;
+ goto free_filter;
+ }
+
+ entries_size = struct_size(sgi, entries, entry->gate.num_entries);
+ sgi = kzalloc(entries_size, GFP_KERNEL);
+ if (!sgi) {
+ err = -ENOMEM;
+ goto free_filter;
+ }
+
+ refcount_set(&sgi->refcount, 1);
+ sgi->index = entry->gate.index;
+ sgi->init_ipv = entry->gate.prio;
+ sgi->basetime = entry->gate.basetime;
+ sgi->cycletime = entry->gate.cycletime;
+ sgi->num_entries = entry->gate.num_entries;
+
+ e = sgi->entries;
+ for (i = 0; i < entry->gate.num_entries; i++) {
+ e[i].gate_state = entry->gate.entries[i].gate_state;
+ e[i].interval = entry->gate.entries[i].interval;
+ e[i].ipv = entry->gate.entries[i].ipv;
+ e[i].maxoctets = entry->gate.entries[i].maxoctets;
+ }
+
+ filter->sgi_index = sgi->index;
+
+ sfi = kzalloc(sizeof(*sfi), GFP_KERNEL);
+ if (!sfi) {
+ err = -ENOMEM;
+ goto free_gate;
+ }
+
+ refcount_set(&sfi->refcount, 1);
+ sfi->gate_id = sgi->index;
+
+ /* flow meter not support yet */
+ sfi->meter_id = ENETC_PSFP_WILDCARD;
+
+ /* prio ref the filter prio */
+ if (f->common.prio && f->common.prio <= BIT(3))
+ sfi->prio = f->common.prio - 1;
+ else
+ sfi->prio = ENETC_PSFP_WILDCARD;
+
+ old_sfi = enetc_psfp_check_sfi(sfi);
+ if (!old_sfi) {
+ int index;
+
+ index = enetc_get_free_index(priv);
+ if (sfi->handle < 0) {
+ NL_SET_ERR_MSG_MOD(extack, "No Stream Filter resource!");
+ err = -ENOSPC;
+ goto free_sfi;
+ }
+
+ sfi->index = index;
+ sfi->handle = index + HANDLE_OFFSET;
+ /* Update the stream filter handle also */
+ filter->sid.handle = sfi->handle;
+ filter->sfi_index = sfi->index;
+ sfi_overwrite = 0;
+ } else {
+ filter->sfi_index = old_sfi->index;
+ filter->sid.handle = old_sfi->handle;
+ sfi_overwrite = 1;
+ }
+
+ err = enetc_psfp_hw_set(priv, &filter->sid,
+ sfi_overwrite ? NULL : sfi, sgi);
+ if (err)
+ goto free_sfi;
+
+ spin_lock(&epsfp.psfp_lock);
+ /* Remove the old node if exist and update with a new node */
+ old_sgi = enetc_get_gate_by_index(filter->sgi_index);
+ if (old_sgi) {
+ refcount_set(&sgi->refcount,
+ refcount_read(&old_sgi->refcount) + 1);
+ hlist_del(&old_sgi->node);
+ kfree(old_sgi);
+ }
+
+ hlist_add_head(&sgi->node, &epsfp.psfp_gate_list);
+
+ if (!old_sfi) {
+ hlist_add_head(&sfi->node, &epsfp.psfp_filter_list);
+ set_bit(sfi->index, epsfp.psfp_sfi_bitmap);
+ } else {
+ kfree(sfi);
+ refcount_inc(&old_sfi->refcount);
+ }
+
+ old_filter = enetc_get_stream_by_index(filter->sid.index);
+ if (old_filter)
+ remove_one_chain(priv, old_filter);
+
+ filter->stats.lastused = jiffies;
+ hlist_add_head(&filter->node, &epsfp.stream_list);
+
+ spin_unlock(&epsfp.psfp_lock);
+
+ return 0;
+
+free_sfi:
+ kfree(sfi);
+free_gate:
+ kfree(sgi);
+free_filter:
+ kfree(filter);
+
+ return err;
+}
+
+static int enetc_config_clsflower(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *cls_flower)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(cls_flower);
+ struct netlink_ext_ack *extack = cls_flower->common.extack;
+ struct flow_dissector *dissector = rule->match.dissector;
+ struct flow_action *action = &rule->action;
+ struct flow_action_entry *entry;
+ struct actions_fwd *fwd;
+ u64 actions = 0;
+ int i, err;
+
+ if (!flow_action_has_entries(action)) {
+ NL_SET_ERR_MSG_MOD(extack, "At least one action is needed");
+ return -EINVAL;
+ }
+
+ flow_action_for_each(i, entry, action)
+ actions |= BIT(entry->id);
+
+ fwd = enetc_check_flow_actions(actions, dissector->used_keys);
+ if (!fwd) {
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported filter type!");
+ return -EOPNOTSUPP;
+ }
+
+ if (fwd->output & FILTER_ACTION_TYPE_PSFP) {
+ err = enetc_psfp_parse_clsflower(priv, cls_flower);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack, "Invalid PSFP inputs");
+ return err;
+ }
+ } else {
+ NL_SET_ERR_MSG_MOD(extack, "Unsupported actions");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int enetc_psfp_destroy_clsflower(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *f)
+{
+ struct enetc_stream_filter *filter;
+ struct netlink_ext_ack *extack = f->common.extack;
+ int err;
+
+ if (f->common.chain_index >= priv->psfp_cap.max_streamid) {
+ NL_SET_ERR_MSG_MOD(extack, "No Stream identify resource!");
+ return -ENOSPC;
+ }
+
+ filter = enetc_get_stream_by_index(f->common.chain_index);
+ if (!filter)
+ return -EINVAL;
+
+ err = enetc_streamid_hw_set(priv, &filter->sid, false);
+ if (err)
+ return err;
+
+ remove_one_chain(priv, filter);
+
+ return 0;
+}
+
+static int enetc_destroy_clsflower(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *f)
+{
+ return enetc_psfp_destroy_clsflower(priv, f);
+}
+
+static int enetc_psfp_get_stats(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *f)
+{
+ struct psfp_streamfilter_counters counters = {};
+ struct enetc_stream_filter *filter;
+ struct flow_stats stats = {};
+ int err;
+
+ filter = enetc_get_stream_by_index(f->common.chain_index);
+ if (!filter)
+ return -EINVAL;
+
+ err = enetc_streamcounter_hw_get(priv, filter->sfi_index, &counters);
+ if (err)
+ return -EINVAL;
+
+ spin_lock(&epsfp.psfp_lock);
+ stats.pkts = counters.matching_frames_count - filter->stats.pkts;
+ stats.lastused = filter->stats.lastused;
+ filter->stats.pkts += stats.pkts;
+ spin_unlock(&epsfp.psfp_lock);
+
+ flow_stats_update(&f->stats, 0x0, stats.pkts, stats.lastused,
+ FLOW_ACTION_HW_STATS_DELAYED);
+
+ return 0;
+}
+
+static int enetc_setup_tc_cls_flower(struct enetc_ndev_priv *priv,
+ struct flow_cls_offload *cls_flower)
+{
+ switch (cls_flower->command) {
+ case FLOW_CLS_REPLACE:
+ return enetc_config_clsflower(priv, cls_flower);
+ case FLOW_CLS_DESTROY:
+ return enetc_destroy_clsflower(priv, cls_flower);
+ case FLOW_CLS_STATS:
+ return enetc_psfp_get_stats(priv, cls_flower);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static inline void clean_psfp_sfi_bitmap(void)
+{
+ bitmap_free(epsfp.psfp_sfi_bitmap);
+ epsfp.psfp_sfi_bitmap = NULL;
+}
+
+static void clean_stream_list(void)
+{
+ struct enetc_stream_filter *s;
+ struct hlist_node *tmp;
+
+ hlist_for_each_entry_safe(s, tmp, &epsfp.stream_list, node) {
+ hlist_del(&s->node);
+ kfree(s);
+ }
+}
+
+static void clean_sfi_list(void)
+{
+ struct enetc_psfp_filter *sfi;
+ struct hlist_node *tmp;
+
+ hlist_for_each_entry_safe(sfi, tmp, &epsfp.psfp_filter_list, node) {
+ hlist_del(&sfi->node);
+ kfree(sfi);
+ }
+}
+
+static void clean_sgi_list(void)
+{
+ struct enetc_psfp_gate *sgi;
+ struct hlist_node *tmp;
+
+ hlist_for_each_entry_safe(sgi, tmp, &epsfp.psfp_gate_list, node) {
+ hlist_del(&sgi->node);
+ kfree(sgi);
+ }
+}
+
+static void clean_psfp_all(void)
+{
+ /* Disable all list nodes and free all memory */
+ clean_sfi_list();
+ clean_sgi_list();
+ clean_stream_list();
+ epsfp.dev_bitmap = 0;
+ clean_psfp_sfi_bitmap();
+}
+
+int enetc_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv)
+{
+ struct net_device *ndev = cb_priv;
+
+ if (!tc_can_offload(ndev))
+ return -EOPNOTSUPP;
+
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ return enetc_setup_tc_cls_flower(netdev_priv(ndev), type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+int enetc_psfp_init(struct enetc_ndev_priv *priv)
+{
+ if (epsfp.psfp_sfi_bitmap)
+ return 0;
+
+ epsfp.psfp_sfi_bitmap = bitmap_zalloc(priv->psfp_cap.max_psfp_filter,
+ GFP_KERNEL);
+ if (!epsfp.psfp_sfi_bitmap)
+ return -ENOMEM;
+
+ spin_lock_init(&epsfp.psfp_lock);
+
+ if (list_empty(&enetc_block_cb_list))
+ epsfp.dev_bitmap = 0;
+
+ return 0;
+}
+
+int enetc_psfp_clean(struct enetc_ndev_priv *priv)
+{
+ if (!list_empty(&enetc_block_cb_list))
+ return -EBUSY;
+
+ clean_psfp_all();
+
+ return 0;
+}
+
+int enetc_setup_tc_psfp(struct net_device *ndev, void *type_data)
+{
+ struct enetc_ndev_priv *priv = netdev_priv(ndev);
+ struct flow_block_offload *f = type_data;
+ int err;
+
+ err = flow_block_cb_setup_simple(f, &enetc_block_cb_list,
+ enetc_setup_tc_block_cb,
+ ndev, ndev, true);
+ if (err)
+ return err;
+
+ switch (f->command) {
+ case FLOW_BLOCK_BIND:
+ set_bit(enetc_get_port(priv), &epsfp.dev_bitmap);
+ break;
+ case FLOW_BLOCK_UNBIND:
+ clear_bit(enetc_get_port(priv), &epsfp.dev_bitmap);
+ if (!epsfp.dev_bitmap)
+ clean_psfp_all();
+ break;
+ }
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index e74dd1f86bba..a6cdd5b61921 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -376,8 +376,7 @@ struct bufdesc_ex {
#define FEC_ENET_TS_AVAIL ((uint)0x00010000)
#define FEC_ENET_TS_TIMER ((uint)0x00008000)
-#define FEC_DEFAULT_IMASK (FEC_ENET_TXF | FEC_ENET_RXF | FEC_ENET_MII)
-#define FEC_NAPI_IMASK FEC_ENET_MII
+#define FEC_DEFAULT_IMASK (FEC_ENET_TXF | FEC_ENET_RXF)
#define FEC_RX_DISABLED_IMASK (FEC_DEFAULT_IMASK & (~FEC_ENET_RXF))
/* ENET interrupt coalescing macro define */
@@ -543,7 +542,6 @@ struct fec_enet_private {
int link;
int full_duplex;
int speed;
- struct completion mdio_done;
int irq[FEC_IRQ_NUM];
bool bufdesc_ex;
int pause_flag;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index dc6f8763a5d4..2d0d313ee7c5 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -88,8 +88,6 @@ static void fec_enet_itr_coal_init(struct net_device *ndev);
struct fec_devinfo {
u32 quirks;
- u8 stop_gpr_reg;
- u8 stop_gpr_bit;
};
static const struct fec_devinfo fec_imx25_info = {
@@ -112,8 +110,6 @@ static const struct fec_devinfo fec_imx6q_info = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
FEC_QUIRK_HAS_RACC,
- .stop_gpr_reg = 0x34,
- .stop_gpr_bit = 27,
};
static const struct fec_devinfo fec_mvf600_info = {
@@ -976,8 +972,8 @@ fec_restart(struct net_device *ndev)
writel((__force u32)cpu_to_be32(temp_mac[1]),
fep->hwp + FEC_ADDR_HIGH);
- /* Clear any outstanding interrupt. */
- writel(0xffffffff, fep->hwp + FEC_IEVENT);
+ /* Clear any outstanding interrupt, except MDIO. */
+ writel((0xffffffff & ~FEC_ENET_MII), fep->hwp + FEC_IEVENT);
fec_enet_bd_init(ndev);
@@ -1123,7 +1119,7 @@ fec_restart(struct net_device *ndev)
if (fep->link)
writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK);
else
- writel(FEC_ENET_MII, fep->hwp + FEC_IMASK);
+ writel(0, fep->hwp + FEC_IMASK);
/* Init the interrupt coalescing */
fec_enet_itr_coal_init(ndev);
@@ -1652,6 +1648,10 @@ fec_enet_interrupt(int irq, void *dev_id)
irqreturn_t ret = IRQ_NONE;
int_events = readl(fep->hwp + FEC_IEVENT);
+
+ /* Don't clear MDIO events, we poll for those */
+ int_events &= ~FEC_ENET_MII;
+
writel(int_events, fep->hwp + FEC_IEVENT);
fec_enet_collect_events(fep, int_events);
@@ -1659,16 +1659,12 @@ fec_enet_interrupt(int irq, void *dev_id)
ret = IRQ_HANDLED;
if (napi_schedule_prep(&fep->napi)) {
- /* Disable the NAPI interrupts */
- writel(FEC_NAPI_IMASK, fep->hwp + FEC_IMASK);
+ /* Disable interrupts */
+ writel(0, fep->hwp + FEC_IMASK);
__napi_schedule(&fep->napi);
}
}
- if (int_events & FEC_ENET_MII) {
- ret = IRQ_HANDLED;
- complete(&fep->mdio_done);
- }
return ret;
}
@@ -1818,11 +1814,24 @@ static void fec_enet_adjust_link(struct net_device *ndev)
phy_print_status(phy_dev);
}
+static int fec_enet_mdio_wait(struct fec_enet_private *fep)
+{
+ uint ievent;
+ int ret;
+
+ ret = readl_poll_timeout_atomic(fep->hwp + FEC_IEVENT, ievent,
+ ievent & FEC_ENET_MII, 2, 30000);
+
+ if (!ret)
+ writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT);
+
+ return ret;
+}
+
static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct fec_enet_private *fep = bus->priv;
struct device *dev = &fep->pdev->dev;
- unsigned long time_left;
int ret = 0, frame_start, frame_addr, frame_op;
bool is_c45 = !!(regnum & MII_ADDR_C45);
@@ -1830,8 +1839,6 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
if (ret < 0)
return ret;
- reinit_completion(&fep->mdio_done);
-
if (is_c45) {
frame_start = FEC_MMFR_ST_C45;
@@ -1843,11 +1850,9 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
fep->hwp + FEC_MII_DATA);
/* wait for end of transfer */
- time_left = wait_for_completion_timeout(&fep->mdio_done,
- usecs_to_jiffies(FEC_MII_TIMEOUT));
- if (time_left == 0) {
+ ret = fec_enet_mdio_wait(fep);
+ if (ret) {
netdev_err(fep->netdev, "MDIO address write timeout\n");
- ret = -ETIMEDOUT;
goto out;
}
@@ -1866,11 +1871,9 @@ static int fec_enet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
FEC_MMFR_TA, fep->hwp + FEC_MII_DATA);
/* wait for end of transfer */
- time_left = wait_for_completion_timeout(&fep->mdio_done,
- usecs_to_jiffies(FEC_MII_TIMEOUT));
- if (time_left == 0) {
+ ret = fec_enet_mdio_wait(fep);
+ if (ret) {
netdev_err(fep->netdev, "MDIO read timeout\n");
- ret = -ETIMEDOUT;
goto out;
}
@@ -1888,7 +1891,6 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
{
struct fec_enet_private *fep = bus->priv;
struct device *dev = &fep->pdev->dev;
- unsigned long time_left;
int ret, frame_start, frame_addr;
bool is_c45 = !!(regnum & MII_ADDR_C45);
@@ -1898,8 +1900,6 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
else
ret = 0;
- reinit_completion(&fep->mdio_done);
-
if (is_c45) {
frame_start = FEC_MMFR_ST_C45;
@@ -1911,11 +1911,9 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
fep->hwp + FEC_MII_DATA);
/* wait for end of transfer */
- time_left = wait_for_completion_timeout(&fep->mdio_done,
- usecs_to_jiffies(FEC_MII_TIMEOUT));
- if (time_left == 0) {
+ ret = fec_enet_mdio_wait(fep);
+ if (ret) {
netdev_err(fep->netdev, "MDIO address write timeout\n");
- ret = -ETIMEDOUT;
goto out;
}
} else {
@@ -1931,12 +1929,9 @@ static int fec_enet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
fep->hwp + FEC_MII_DATA);
/* wait for end of transfer */
- time_left = wait_for_completion_timeout(&fep->mdio_done,
- usecs_to_jiffies(FEC_MII_TIMEOUT));
- if (time_left == 0) {
+ ret = fec_enet_mdio_wait(fep);
+ if (ret)
netdev_err(fep->netdev, "MDIO write timeout\n");
- ret = -ETIMEDOUT;
- }
out:
pm_runtime_mark_last_busy(dev);
@@ -1986,8 +1981,12 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable)
return 0;
failed_clk_ref:
- if (fep->clk_ref)
- clk_disable_unprepare(fep->clk_ref);
+ if (fep->clk_ptp) {
+ mutex_lock(&fep->ptp_clk_mutex);
+ clk_disable_unprepare(fep->clk_ptp);
+ fep->ptp_clk_on = false;
+ mutex_unlock(&fep->ptp_clk_mutex);
+ }
failed_clk_ptp:
if (fep->clk_enet_out)
clk_disable_unprepare(fep->clk_enet_out);
@@ -2065,9 +2064,11 @@ static int fec_enet_mii_init(struct platform_device *pdev)
static struct mii_bus *fec0_mii_bus;
struct net_device *ndev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(ndev);
+ bool suppress_preamble = false;
struct device_node *node;
int err = -ENXIO;
u32 mii_speed, holdtime;
+ u32 bus_freq;
/*
* The i.MX28 dual fec interfaces are not equal.
@@ -2095,15 +2096,23 @@ static int fec_enet_mii_init(struct platform_device *pdev)
return -ENOENT;
}
+ bus_freq = 2500000; /* 2.5MHz by default */
+ node = of_get_child_by_name(pdev->dev.of_node, "mdio");
+ if (node) {
+ of_property_read_u32(node, "clock-frequency", &bus_freq);
+ suppress_preamble = of_property_read_bool(node,
+ "suppress-preamble");
+ }
+
/*
- * Set MII speed to 2.5 MHz (= clk_get_rate() / 2 * phy_speed)
+ * Set MII speed (= clk_get_rate() / 2 * phy_speed)
*
* The formula for FEC MDC is 'ref_freq / (MII_SPEED x 2)' while
* for ENET-MAC is 'ref_freq / ((MII_SPEED + 1) x 2)'. The i.MX28
* Reference Manual has an error on this, and gets fixed on i.MX6Q
* document.
*/
- mii_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), 5000000);
+ mii_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), bus_freq * 2);
if (fep->quirks & FEC_QUIRK_ENET_MAC)
mii_speed--;
if (mii_speed > 63) {
@@ -2130,8 +2139,24 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->phy_speed = mii_speed << 1 | holdtime << 8;
+ if (suppress_preamble)
+ fep->phy_speed |= BIT(7);
+
+ /* Clear MMFR to avoid to generate MII event by writing MSCR.
+ * MII event generation condition:
+ * - writing MSCR:
+ * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero &
+ * mscr_reg_data_in[7:0] != 0
+ * - writing MMFR:
+ * - mscr[7:0]_not_zero
+ */
+ writel(0, fep->hwp + FEC_MII_DATA);
+
writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
+ /* Clear any pending transaction complete indication */
+ writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT);
+
fep->mii_bus = mdiobus_alloc();
if (fep->mii_bus == NULL) {
err = -ENOMEM;
@@ -2146,7 +2171,6 @@ static int fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;
- node = of_get_child_by_name(pdev->dev.of_node, "mdio");
err = of_mdiobus_register(fep->mii_bus, node);
of_node_put(node);
if (err)
@@ -3452,19 +3476,23 @@ static int fec_enet_get_irq_cnt(struct platform_device *pdev)
}
static int fec_enet_init_stop_mode(struct fec_enet_private *fep,
- struct fec_devinfo *dev_info,
struct device_node *np)
{
struct device_node *gpr_np;
+ u32 out_val[3];
int ret = 0;
- if (!dev_info)
- return 0;
-
- gpr_np = of_parse_phandle(np, "gpr", 0);
+ gpr_np = of_parse_phandle(np, "fsl,stop-mode", 0);
if (!gpr_np)
return 0;
+ ret = of_property_read_u32_array(np, "fsl,stop-mode", out_val,
+ ARRAY_SIZE(out_val));
+ if (ret) {
+ dev_dbg(&fep->pdev->dev, "no stop mode property\n");
+ return ret;
+ }
+
fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np);
if (IS_ERR(fep->stop_gpr.gpr)) {
dev_err(&fep->pdev->dev, "could not find gpr regmap\n");
@@ -3473,8 +3501,8 @@ static int fec_enet_init_stop_mode(struct fec_enet_private *fep,
goto out;
}
- fep->stop_gpr.reg = dev_info->stop_gpr_reg;
- fep->stop_gpr.bit = dev_info->stop_gpr_bit;
+ fep->stop_gpr.reg = out_val[1];
+ fep->stop_gpr.bit = out_val[2];
out:
of_node_put(gpr_np);
@@ -3551,7 +3579,7 @@ fec_probe(struct platform_device *pdev)
if (of_get_property(np, "fsl,magic-packet", NULL))
fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET;
- ret = fec_enet_init_stop_mode(fep, dev_info, np);
+ ret = fec_enet_init_stop_mode(fep, np);
if (ret)
goto failed_stop_mode;
@@ -3674,7 +3702,6 @@ fec_probe(struct platform_device *pdev)
fep->irq[i] = irq;
}
- init_completion(&fep->mdio_done);
ret = fec_enet_mii_init(pdev);
if (ret)
goto failed_mii_init;
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 6e5f6dd169b5..552e7554a9f8 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -42,6 +42,7 @@
#include <soc/fsl/qe/ucc.h>
#include <soc/fsl/qe/ucc_fast.h>
#include <asm/machdep.h>
+#include <net/sch_generic.h>
#include "ucc_geth.h"
@@ -1548,11 +1549,8 @@ static int ugeth_disable(struct ucc_geth_private *ugeth, enum comm_dir mode)
static void ugeth_quiesce(struct ucc_geth_private *ugeth)
{
- /* Prevent any further xmits, plus detach the device. */
- netif_device_detach(ugeth->ndev);
-
- /* Wait for any current xmits to finish. */
- netif_tx_disable(ugeth->ndev);
+ /* Prevent any further xmits */
+ netif_tx_stop_all_queues(ugeth->ndev);
/* Disable the interrupt to avoid NAPI rescheduling. */
disable_irq(ugeth->ug_info->uf_info.irq);
@@ -1565,7 +1563,10 @@ static void ugeth_activate(struct ucc_geth_private *ugeth)
{
napi_enable(&ugeth->napi);
enable_irq(ugeth->ug_info->uf_info.irq);
- netif_device_attach(ugeth->ndev);
+
+ /* allow to xmit again */
+ netif_tx_wake_all_queues(ugeth->ndev);
+ __netdev_watchdog_up(ugeth->ndev);
}
/* Called every time the controller might need to be made
diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index 3892a2062404..2fff43509098 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -64,7 +64,7 @@ config HNS_MDIO
the PHY
config HNS
- tristate "Hisilicon Network Subsystem Support (Framework)"
+ tristate
---help---
This selects the framework support for Hisilicon Network Subsystem. It
is needed by any driver which provides HNS acceleration engine or make
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
index 8aace2de0cc9..9a907947ba19 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
@@ -697,9 +697,9 @@ hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
return rc;
if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
- is_c45 = 1;
+ is_c45 = true;
else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
- is_c45 = 0;
+ is_c45 = false;
else
return -ENODATA;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
index 948e67ef30fd..1ffe8fac702d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hclge_mbx.h
@@ -24,7 +24,7 @@ enum HCLGE_MBX_OPCODE {
HCLGE_MBX_GET_RETA, /* (VF -> PF) get RETA */
HCLGE_MBX_GET_RSS_KEY, /* (VF -> PF) get RSS key */
HCLGE_MBX_GET_MAC_ADDR, /* (VF -> PF) get MAC addr */
- HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate respone to VF */
+ HCLGE_MBX_PF_VF_RESP, /* (PF -> VF) generate response to VF */
HCLGE_MBX_GET_BDNUM, /* (VF -> PF) get BD num */
HCLGE_MBX_GET_BUFSIZE, /* (VF -> PF) get buffer size */
HCLGE_MBX_GET_STREAMID, /* (VF -> PF) get stream id */
@@ -45,6 +45,7 @@ enum HCLGE_MBX_OPCODE {
HCLGE_MBX_GET_MEDIA_TYPE, /* (VF -> PF) get media type */
HCLGE_MBX_PUSH_PROMISC_INFO, /* (PF -> VF) push vf promisc info */
HCLGE_MBX_VF_UNINIT, /* (VF -> PF) vf is unintializing */
+ HCLGE_MBX_HANDLE_VF_TBL, /* (VF -> PF) store/clear hw table */
HCLGE_MBX_GET_VF_FLR_STATUS = 200, /* (M7 -> PF) get vf flr status */
HCLGE_MBX_PUSH_LINK_STATUS, /* (M7 -> PF) get port link status */
@@ -70,6 +71,10 @@ enum hclge_mbx_vlan_cfg_subcode {
HCLGE_MBX_GET_PORT_BASE_VLAN_STATE, /* get port based vlan state */
};
+enum hclge_mbx_tbl_cfg_subcode {
+ HCLGE_MBX_VPORT_LIST_CLEAR,
+};
+
#define HCLGE_MBX_MAX_MSG_SIZE 14
#define HCLGE_MBX_MAX_RESP_DATA_SIZE 8U
#define HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM 4
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index 5587605d6deb..d041cac9a487 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -145,7 +145,6 @@ enum hnae3_reset_notify_type {
HNAE3_DOWN_CLIENT,
HNAE3_INIT_CLIENT,
HNAE3_UNINIT_CLIENT,
- HNAE3_RESTORE_CLIENT,
};
enum hnae3_hw_error_type {
@@ -233,7 +232,6 @@ struct hnae3_ae_dev {
struct list_head node;
u32 flag;
unsigned long hw_err_reset_req;
- enum hnae3_reset_type reset_type;
void *priv;
};
@@ -270,6 +268,8 @@ struct hnae3_ae_dev {
* Set loopback
* set_promisc_mode
* Set promisc mode
+ * request_update_promisc_mode
+ * request to hclge(vf) to update promisc mode
* set_mtu()
* set mtu
* get_pauseparam()
@@ -354,8 +354,6 @@ struct hnae3_ae_dev {
* Set vlan filter config of Ports
* set_vf_vlan_filter()
* Set vlan filter config of vf
- * restore_vlan_table()
- * Restore vlan filter entries after reset
* enable_hw_strip_rxvtag()
* Enable/disable hardware strip vlan tag of packets received
* set_gro_en
@@ -375,6 +373,8 @@ struct hnae3_ae_dev {
* Set the max tx rate of specified vf.
* set_vf_mac
* Configure the default MAC for specified VF
+ * get_module_eeprom
+ * Get the optical module eeprom info.
*/
struct hnae3_ae_ops {
int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
@@ -408,6 +408,7 @@ struct hnae3_ae_ops {
int (*set_promisc_mode)(struct hnae3_handle *handle, bool en_uc_pmc,
bool en_mc_pmc);
+ void (*request_update_promisc_mode)(struct hnae3_handle *handle);
int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
void (*get_pauseparam)(struct hnae3_handle *handle,
@@ -525,7 +526,6 @@ struct hnae3_ae_ops {
struct ethtool_rxnfc *cmd);
int (*get_fd_all_rules)(struct hnae3_handle *handle,
struct ethtool_rxnfc *cmd, u32 *rule_locs);
- int (*restore_fd_rules)(struct hnae3_handle *handle);
void (*enable_fd)(struct hnae3_handle *handle, bool enable);
int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
u16 flow_id, struct flow_keys *fkeys);
@@ -539,7 +539,6 @@ struct hnae3_ae_ops {
void (*set_timer_task)(struct hnae3_handle *handle, bool enable);
int (*mac_connect_phy)(struct hnae3_handle *handle);
void (*mac_disconnect_phy)(struct hnae3_handle *handle);
- void (*restore_vlan_table)(struct hnae3_handle *handle);
int (*get_vf_config)(struct hnae3_handle *handle, int vf,
struct ifla_vf_info *ivf);
int (*set_vf_link_state)(struct hnae3_handle *handle, int vf,
@@ -550,6 +549,9 @@ struct hnae3_ae_ops {
int (*set_vf_rate)(struct hnae3_handle *handle, int vf,
int min_tx_rate, int max_tx_rate, bool force);
int (*set_vf_mac)(struct hnae3_handle *handle, int vf, u8 *p);
+ int (*get_module_eeprom)(struct hnae3_handle *handle, u32 offset,
+ u32 len, u8 *data);
+ bool (*get_cmdq_stat)(struct hnae3_handle *handle);
};
struct hnae3_dcb_ops {
@@ -619,16 +621,6 @@ struct hnae3_roce_private_info {
unsigned long state;
};
-struct hnae3_unic_private_info {
- struct net_device *netdev;
- u16 rx_buf_len;
- u16 num_tx_desc;
- u16 num_rx_desc;
-
- u16 num_tqps; /* total number of tqps in this handle */
- struct hnae3_queue **tqp; /* array base of all TQPs of this instance */
-};
-
#define HNAE3_SUPPORT_APP_LOOPBACK BIT(0)
#define HNAE3_SUPPORT_PHY_LOOPBACK BIT(1)
#define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK BIT(2)
@@ -654,7 +646,6 @@ struct hnae3_handle {
union {
struct net_device *netdev; /* first member */
struct hnae3_knic_private_info kinfo;
- struct hnae3_unic_private_info uinfo;
struct hnae3_roce_private_info rinfo;
};
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index e1d88095a77e..fe7fb565da19 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -262,6 +262,8 @@ static void hns3_dbg_help(struct hnae3_handle *h)
dev_info(&h->pdev->dev, "dump mac tnl status\n");
dev_info(&h->pdev->dev, "dump loopback\n");
dev_info(&h->pdev->dev, "dump qs shaper [qs id]\n");
+ dev_info(&h->pdev->dev, "dump uc mac list <func id>\n");
+ dev_info(&h->pdev->dev, "dump mc mac list <func id>\n");
memset(printf_buf, 0, HNS3_DBG_BUF_LEN);
strncat(printf_buf, "dump reg [[bios common] [ssu <port_id>]",
@@ -270,7 +272,7 @@ static void hns3_dbg_help(struct hnae3_handle *h)
" [igu egu <port_id>] [rpu <tc_queue_num>]",
HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1);
strncat(printf_buf + strlen(printf_buf),
- " [rtc] [ppp] [rcb] [tqp <queue_num>]]\n",
+ " [rtc] [ppp] [rcb] [tqp <queue_num>] [mac]]\n",
HNS3_DBG_BUF_LEN - strlen(printf_buf) - 1);
dev_info(&h->pdev->dev, "%s", printf_buf);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index da98fd7c8eca..b14f2abc2425 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -15,7 +15,6 @@
#include <linux/aer.h>
#include <linux/skbuff.h>
#include <linux/sctp.h>
-#include <linux/vermagic.h>
#include <net/gre.h>
#include <net/ip6_checksum.h>
#include <net/pkt_cls.h>
@@ -41,10 +40,8 @@
} while (0)
static void hns3_clear_all_ring(struct hnae3_handle *h, bool force);
-static void hns3_remove_hw_addr(struct net_device *netdev);
static const char hns3_driver_name[] = "hns3";
-const char hns3_driver_version[] = VERMAGIC_STRING;
static const char hns3_driver_string[] =
"Hisilicon Ethernet Network Driver for Hip08 Family";
static const char hns3_copyright[] = "Copyright (c) 2017 Huawei Corporation.";
@@ -550,6 +547,13 @@ static int hns3_nic_uc_unsync(struct net_device *netdev,
{
struct hnae3_handle *h = hns3_get_handle(netdev);
+ /* need ignore the request of removing device address, because
+ * we store the device address and other addresses of uc list
+ * in the function's mac filter list.
+ */
+ if (ether_addr_equal(addr, netdev->dev_addr))
+ return 0;
+
if (h->ae_algo->ops->rm_uc_addr)
return h->ae_algo->ops->rm_uc_addr(h, addr);
@@ -597,34 +601,25 @@ static void hns3_nic_set_rx_mode(struct net_device *netdev)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
u8 new_flags;
- int ret;
new_flags = hns3_get_netdev_flags(netdev);
- ret = __dev_uc_sync(netdev, hns3_nic_uc_sync, hns3_nic_uc_unsync);
- if (ret) {
- netdev_err(netdev, "sync uc address fail\n");
- if (ret == -ENOSPC)
- new_flags |= HNAE3_OVERFLOW_UPE;
- }
-
- if (netdev->flags & IFF_MULTICAST) {
- ret = __dev_mc_sync(netdev, hns3_nic_mc_sync,
- hns3_nic_mc_unsync);
- if (ret) {
- netdev_err(netdev, "sync mc address fail\n");
- if (ret == -ENOSPC)
- new_flags |= HNAE3_OVERFLOW_MPE;
- }
- }
+ __dev_uc_sync(netdev, hns3_nic_uc_sync, hns3_nic_uc_unsync);
+ __dev_mc_sync(netdev, hns3_nic_mc_sync, hns3_nic_mc_unsync);
/* User mode Promisc mode enable and vlan filtering is disabled to
- * let all packets in. MAC-VLAN Table overflow Promisc enabled and
- * vlan fitering is enabled
+ * let all packets in.
*/
- hns3_enable_vlan_filter(netdev, new_flags & HNAE3_VLAN_FLTR);
h->netdev_flags = new_flags;
- hns3_update_promisc_mode(netdev, new_flags);
+ hns3_request_update_promisc_mode(h);
+}
+
+void hns3_request_update_promisc_mode(struct hnae3_handle *handle)
+{
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+
+ if (ops->request_update_promisc_mode)
+ ops->request_update_promisc_mode(handle);
}
int hns3_update_promisc_mode(struct net_device *netdev, u8 promisc_flags)
@@ -1450,9 +1445,6 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
bd_num += ret;
- if (!skb_has_frag_list(skb))
- goto out;
-
skb_walk_frags(skb, frag_skb) {
ret = hns3_fill_skb_to_desc(ring, frag_skb,
DESC_TYPE_FRAGLIST_SKB);
@@ -1461,7 +1453,7 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev)
bd_num += ret;
}
-out:
+
pre_ntu = ring->next_to_use ? (ring->next_to_use - 1) :
(ring->desc_num - 1);
ring->desc[pre_ntu].tx.bdtp_fe_sc_vld_ra_ri |=
@@ -1552,12 +1544,6 @@ static int hns3_nic_set_features(struct net_device *netdev,
return ret;
}
- if ((changed & NETIF_F_HW_VLAN_CTAG_FILTER) &&
- h->ae_algo->ops->enable_vlan_filter) {
- enable = !!(features & NETIF_F_HW_VLAN_CTAG_FILTER);
- h->ae_algo->ops->enable_vlan_filter(h, enable);
- }
-
if ((changed & NETIF_F_HW_VLAN_CTAG_RX) &&
h->ae_algo->ops->enable_hw_strip_rxvtag) {
enable = !!(features & NETIF_F_HW_VLAN_CTAG_RX);
@@ -2107,7 +2093,6 @@ static int hns3_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ae_dev->pdev = pdev;
ae_dev->flag = ent->driver_data;
- ae_dev->reset_type = HNAE3_NONE_RESET;
hns3_get_dev_capability(pdev, ae_dev);
pci_set_drvdata(pdev, ae_dev);
@@ -3909,9 +3894,11 @@ static int hns3_init_mac_addr(struct net_device *netdev)
eth_hw_addr_random(netdev);
dev_warn(priv->dev, "using random MAC address %pM\n",
netdev->dev_addr);
- } else {
+ } else if (!ether_addr_equal(netdev->dev_addr, mac_addr_temp)) {
ether_addr_copy(netdev->dev_addr, mac_addr_temp);
ether_addr_copy(netdev->perm_addr, mac_addr_temp);
+ } else {
+ return 0;
}
if (h->ae_algo->ops->set_mac_addr)
@@ -3939,17 +3926,6 @@ static void hns3_uninit_phy(struct net_device *netdev)
h->ae_algo->ops->mac_disconnect_phy(h);
}
-static int hns3_restore_fd_rules(struct net_device *netdev)
-{
- struct hnae3_handle *h = hns3_get_handle(netdev);
- int ret = 0;
-
- if (h->ae_algo->ops->restore_fd_rules)
- ret = h->ae_algo->ops->restore_fd_rules(h);
-
- return ret;
-}
-
static void hns3_del_all_fd_rules(struct net_device *netdev, bool clear_list)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
@@ -4121,8 +4097,6 @@ static void hns3_client_uninit(struct hnae3_handle *handle, bool reset)
struct hns3_nic_priv *priv = netdev_priv(netdev);
int ret;
- hns3_remove_hw_addr(netdev);
-
if (netdev->reg_state != NETREG_UNINITIALIZED)
unregister_netdev(netdev);
@@ -4193,56 +4167,6 @@ static int hns3_client_setup_tc(struct hnae3_handle *handle, u8 tc)
return hns3_nic_set_real_num_queue(ndev);
}
-static int hns3_recover_hw_addr(struct net_device *ndev)
-{
- struct netdev_hw_addr_list *list;
- struct netdev_hw_addr *ha, *tmp;
- int ret = 0;
-
- netif_addr_lock_bh(ndev);
- /* go through and sync uc_addr entries to the device */
- list = &ndev->uc;
- list_for_each_entry_safe(ha, tmp, &list->list, list) {
- ret = hns3_nic_uc_sync(ndev, ha->addr);
- if (ret)
- goto out;
- }
-
- /* go through and sync mc_addr entries to the device */
- list = &ndev->mc;
- list_for_each_entry_safe(ha, tmp, &list->list, list) {
- ret = hns3_nic_mc_sync(ndev, ha->addr);
- if (ret)
- goto out;
- }
-
-out:
- netif_addr_unlock_bh(ndev);
- return ret;
-}
-
-static void hns3_remove_hw_addr(struct net_device *netdev)
-{
- struct netdev_hw_addr_list *list;
- struct netdev_hw_addr *ha, *tmp;
-
- hns3_nic_uc_unsync(netdev, netdev->dev_addr);
-
- netif_addr_lock_bh(netdev);
- /* go through and unsync uc_addr entries to the device */
- list = &netdev->uc;
- list_for_each_entry_safe(ha, tmp, &list->list, list)
- hns3_nic_uc_unsync(netdev, ha->addr);
-
- /* go through and unsync mc_addr entries to the device */
- list = &netdev->mc;
- list_for_each_entry_safe(ha, tmp, &list->list, list)
- if (ha->refcount > 1)
- hns3_nic_mc_unsync(netdev, ha->addr);
-
- netif_addr_unlock_bh(netdev);
-}
-
static void hns3_clear_tx_ring(struct hns3_enet_ring *ring)
{
while (ring->next_to_clean != ring->next_to_use) {
@@ -4401,7 +4325,6 @@ static void hns3_restore_coal(struct hns3_nic_priv *priv)
static int hns3_reset_notify_down_enet(struct hnae3_handle *handle)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(handle->pdev);
struct hnae3_knic_private_info *kinfo = &handle->kinfo;
struct net_device *ndev = kinfo->netdev;
struct hns3_nic_priv *priv = netdev_priv(ndev);
@@ -4409,15 +4332,6 @@ static int hns3_reset_notify_down_enet(struct hnae3_handle *handle)
if (test_and_set_bit(HNS3_NIC_STATE_RESETTING, &priv->state))
return 0;
- /* it is cumbersome for hardware to pick-and-choose entries for deletion
- * from table space. Hence, for function reset software intervention is
- * required to delete the entries
- */
- if (hns3_dev_ongoing_func_reset(ae_dev)) {
- hns3_remove_hw_addr(ndev);
- hns3_del_all_fd_rules(ndev, false);
- }
-
if (!netif_running(ndev))
return 0;
@@ -4484,6 +4398,9 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
goto err_init_irq_fail;
}
+ if (!hns3_is_phys_func(handle->pdev))
+ hns3_init_mac_addr(netdev);
+
ret = hns3_client_start(handle);
if (ret) {
dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);
@@ -4509,33 +4426,6 @@ err_put_ring:
return ret;
}
-static int hns3_reset_notify_restore_enet(struct hnae3_handle *handle)
-{
- struct net_device *netdev = handle->kinfo.netdev;
- bool vlan_filter_enable;
- int ret;
-
- ret = hns3_init_mac_addr(netdev);
- if (ret)
- return ret;
-
- ret = hns3_recover_hw_addr(netdev);
- if (ret)
- return ret;
-
- ret = hns3_update_promisc_mode(netdev, handle->netdev_flags);
- if (ret)
- return ret;
-
- vlan_filter_enable = netdev->flags & IFF_PROMISC ? false : true;
- hns3_enable_vlan_filter(netdev, vlan_filter_enable);
-
- if (handle->ae_algo->ops->restore_vlan_table)
- handle->ae_algo->ops->restore_vlan_table(handle);
-
- return hns3_restore_fd_rules(netdev);
-}
-
static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
{
struct net_device *netdev = handle->kinfo.netdev;
@@ -4585,9 +4475,6 @@ static int hns3_reset_notify(struct hnae3_handle *handle,
case HNAE3_UNINIT_CLIENT:
ret = hns3_reset_notify_uninit_enet(handle);
break;
- case HNAE3_RESTORE_CLIENT:
- ret = hns3_reset_notify_restore_enet(handle);
- break;
default:
break;
}
@@ -4765,4 +4652,3 @@ MODULE_DESCRIPTION("HNS3: Hisilicon Ethernet Driver");
MODULE_AUTHOR("Huawei Tech. Co., Ltd.");
MODULE_LICENSE("GPL");
MODULE_ALIAS("pci:hns-nic");
-MODULE_VERSION(HNS3_MOD_VERSION);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
index abefd7a179f7..66cd4395f781 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.h
@@ -8,10 +8,6 @@
#include "hnae3.h"
-#define HNS3_MOD_VERSION "1.0"
-
-extern const char hns3_driver_version[];
-
enum hns3_nic_state {
HNS3_NIC_STATE_TESTING,
HNS3_NIC_STATE_RESETTING,
@@ -50,23 +46,6 @@ enum hns3_nic_state {
#define HNS3_RING_CFG_VF_NUM_REG 0x00080
#define HNS3_RING_ASID_REG 0x0008C
#define HNS3_RING_EN_REG 0x00090
-#define HNS3_RING_T0_BE_RST 0x00094
-#define HNS3_RING_COULD_BE_RST 0x00098
-#define HNS3_RING_WRR_WEIGHT_REG 0x0009c
-
-#define HNS3_RING_INTMSK_RXWL_REG 0x000A0
-#define HNS3_RING_INTSTS_RX_RING_REG 0x000A4
-#define HNS3_RX_RING_INT_STS_REG 0x000A8
-#define HNS3_RING_INTMSK_TXWL_REG 0x000AC
-#define HNS3_RING_INTSTS_TX_RING_REG 0x000B0
-#define HNS3_TX_RING_INT_STS_REG 0x000B4
-#define HNS3_RING_INTMSK_RX_OVERTIME_REG 0x000B8
-#define HNS3_RING_INTSTS_RX_OVERTIME_REG 0x000BC
-#define HNS3_RING_INTMSK_TX_OVERTIME_REG 0x000C4
-#define HNS3_RING_INTSTS_TX_OVERTIME_REG 0x000C8
-
-#define HNS3_RING_MB_CTRL_REG 0x00100
-#define HNS3_RING_MB_DATA_BASE_REG 0x00200
#define HNS3_TX_REG_OFFSET 0x40
@@ -490,21 +469,8 @@ struct hns3_enet_tqp_vector {
unsigned long last_jiffies;
} ____cacheline_internodealigned_in_smp;
-enum hns3_udp_tnl_type {
- HNS3_UDP_TNL_VXLAN,
- HNS3_UDP_TNL_GENEVE,
- HNS3_UDP_TNL_MAX,
-};
-
-struct hns3_udp_tunnel {
- u16 dst_port;
- int used;
-};
-
struct hns3_nic_priv {
struct hnae3_handle *ae_handle;
- u32 enet_ver;
- u32 port_id;
struct net_device *netdev;
struct device *dev;
@@ -516,19 +482,10 @@ struct hns3_nic_priv {
struct hns3_enet_tqp_vector *tqp_vector;
u16 vector_num;
- /* The most recently read link state */
- int link;
u64 tx_timeout_count;
unsigned long state;
- struct timer_list service_timer;
-
- struct work_struct service_task;
-
- struct notifier_block notifier_block;
- /* Vxlan/Geneve information */
- struct hns3_udp_tunnel udp_tnl[HNS3_UDP_TNL_MAX];
struct hns3_enet_coalesce tx_coal;
struct hns3_enet_coalesce rx_coal;
};
@@ -580,15 +537,6 @@ static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value)
writel(value, reg_addr + reg);
}
-static inline bool hns3_dev_ongoing_func_reset(struct hnae3_ae_dev *ae_dev)
-{
- return (ae_dev && (ae_dev->reset_type == HNAE3_FUNC_RESET ||
- ae_dev->reset_type == HNAE3_FLR_RESET ||
- ae_dev->reset_type == HNAE3_VF_FUNC_RESET ||
- ae_dev->reset_type == HNAE3_VF_FULL_RESET ||
- ae_dev->reset_type == HNAE3_VF_PF_FUNC_RESET));
-}
-
#define hns3_read_dev(a, reg) \
hns3_read_reg((a)->io_base, (reg))
@@ -662,6 +610,7 @@ void hns3_set_vector_coalesce_rl(struct hns3_enet_tqp_vector *tqp_vector,
void hns3_enable_vlan_filter(struct net_device *netdev, bool enable);
int hns3_update_promisc_mode(struct net_device *netdev, u8 promisc_flags);
+void hns3_request_update_promisc_mode(struct hnae3_handle *handle);
#ifdef CONFIG_HNS3_DCB
void hns3_dcbnl_setup(struct hnae3_handle *handle);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 28b81f24afa1..6b1545f982aa 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -4,6 +4,7 @@
#include <linux/etherdevice.h>
#include <linux/string.h>
#include <linux/phy.h>
+#include <linux/sfp.h>
#include "hns3_enet.h"
@@ -12,6 +13,11 @@ struct hns3_stats {
int stats_offset;
};
+struct hns3_sfp_type {
+ u8 type;
+ u8 ext_type;
+};
+
/* tqp related stats */
#define HNS3_TQP_STAT(_string, _member) { \
.stats_string = _string, \
@@ -99,7 +105,7 @@ static int hns3_lp_setup(struct net_device *ndev, enum hnae3_loop loop, bool en)
h->ae_algo->ops->set_promisc_mode(h, true, true);
} else {
/* recover promisc mode before loopback test */
- hns3_update_promisc_mode(ndev, h->netdev_flags);
+ hns3_request_update_promisc_mode(h);
vlan_filter_enable = ndev->flags & IFF_PROMISC ? false : true;
hns3_enable_vlan_filter(ndev, vlan_filter_enable);
}
@@ -546,10 +552,6 @@ static void hns3_get_drvinfo(struct net_device *netdev,
return;
}
- strncpy(drvinfo->version, hns3_driver_version,
- sizeof(drvinfo->version));
- drvinfo->version[sizeof(drvinfo->version) - 1] = '\0';
-
strncpy(drvinfo->driver, h->pdev->driver->name,
sizeof(drvinfo->driver));
drvinfo->driver[sizeof(drvinfo->driver) - 1] = '\0';
@@ -771,8 +773,13 @@ static int hns3_set_link_ksettings(struct net_device *netdev,
cmd->base.autoneg, cmd->base.speed, cmd->base.duplex);
/* Only support ksettings_set for netdev with phy attached for now */
- if (netdev->phydev)
+ if (netdev->phydev) {
+ if (cmd->base.speed == SPEED_1000 &&
+ cmd->base.autoneg == AUTONEG_DISABLE)
+ return -EINVAL;
+
return phy_ethtool_ksettings_set(netdev->phydev, cmd);
+ }
if (handle->pdev->revision == 0x20)
return -EOPNOTSUPP;
@@ -1390,6 +1397,73 @@ static int hns3_set_fecparam(struct net_device *netdev,
return ops->set_fec(handle, fec_mode);
}
+static int hns3_get_module_info(struct net_device *netdev,
+ struct ethtool_modinfo *modinfo)
+{
+#define HNS3_SFF_8636_V1_3 0x03
+
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+ struct hns3_sfp_type sfp_type;
+ int ret;
+
+ if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom)
+ return -EOPNOTSUPP;
+
+ memset(&sfp_type, 0, sizeof(sfp_type));
+ ret = ops->get_module_eeprom(handle, 0, sizeof(sfp_type) / sizeof(u8),
+ (u8 *)&sfp_type);
+ if (ret)
+ return ret;
+
+ switch (sfp_type.type) {
+ case SFF8024_ID_SFP:
+ modinfo->type = ETH_MODULE_SFF_8472;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
+ break;
+ case SFF8024_ID_QSFP_8438:
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
+ break;
+ case SFF8024_ID_QSFP_8436_8636:
+ if (sfp_type.ext_type < HNS3_SFF_8636_V1_3) {
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN;
+ } else {
+ modinfo->type = ETH_MODULE_SFF_8636;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
+ }
+ break;
+ case SFF8024_ID_QSFP28_8636:
+ modinfo->type = ETH_MODULE_SFF_8636;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN;
+ break;
+ default:
+ netdev_err(netdev, "Optical module unknown: %#x\n",
+ sfp_type.type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hns3_get_module_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *ee, u8 *data)
+{
+ struct hnae3_handle *handle = hns3_get_handle(netdev);
+ const struct hnae3_ae_ops *ops = handle->ae_algo->ops;
+
+ if (handle->pdev->revision == 0x20 || !ops->get_module_eeprom)
+ return -EOPNOTSUPP;
+
+ if (!ee->len)
+ return -EINVAL;
+
+ memset(data, 0, ee->len);
+
+ return ops->get_module_eeprom(handle, ee->offset, ee->len, data);
+}
+
#define HNS3_ETHTOOL_COALESCE (ETHTOOL_COALESCE_USECS | \
ETHTOOL_COALESCE_USE_ADAPTIVE | \
ETHTOOL_COALESCE_RX_USECS_HIGH | \
@@ -1453,6 +1527,8 @@ static const struct ethtool_ops hns3_ethtool_ops = {
.set_msglevel = hns3_set_msglevel,
.get_fecparam = hns3_get_fecparam,
.set_fecparam = hns3_set_fecparam,
+ .get_module_info = hns3_get_module_info,
+ .get_module_eeprom = hns3_get_module_eeprom,
};
void hns3_ethtool_set_ops(struct net_device *netdev)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
index 0fb61d440d3b..6c28c8f6292c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/Makefile
@@ -4,6 +4,7 @@
#
ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
+ccflags-y += -I $(srctree)/$(src)
obj-$(CONFIG_HNS3_HCLGE) += hclge.o
hclge-objs = hclge_main.o hclge_cmd.o hclge_mdio.o hclge_tm.o hclge_mbx.o hclge_err.o hclge_debugfs.o
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
index 7f509eff562e..1d6c328bd9fb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c
@@ -11,8 +11,6 @@
#include "hnae3.h"
#include "hclge_main.h"
-#define hclge_is_csq(ring) ((ring)->flag & HCLGE_TYPE_CSQ)
-
#define cmq_ring_to_dev(ring) (&(ring)->dev->pdev->dev)
static int hclge_ring_space(struct hclge_cmq_ring *ring)
@@ -426,6 +424,9 @@ int hclge_cmd_init(struct hclge_dev *hdev)
* reset may happen when lower level reset is being processed.
*/
if ((hclge_is_reset_pending(hdev))) {
+ dev_err(&hdev->pdev->dev,
+ "failed to init cmd since reset %#lx pending\n",
+ hdev->reset_pending);
ret = -EBUSY;
goto err_cmd_init;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
index 96498d9b4754..463f29151ef0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.h
@@ -184,11 +184,11 @@ enum hclge_opcode_type {
/* TQP commands */
HCLGE_OPC_CFG_TX_QUEUE = 0x0B01,
HCLGE_OPC_QUERY_TX_POINTER = 0x0B02,
- HCLGE_OPC_QUERY_TX_STATUS = 0x0B03,
+ HCLGE_OPC_QUERY_TX_STATS = 0x0B03,
HCLGE_OPC_TQP_TX_QUEUE_TC = 0x0B04,
HCLGE_OPC_CFG_RX_QUEUE = 0x0B11,
HCLGE_OPC_QUERY_RX_POINTER = 0x0B12,
- HCLGE_OPC_QUERY_RX_STATUS = 0x0B13,
+ HCLGE_OPC_QUERY_RX_STATS = 0x0B13,
HCLGE_OPC_STASH_RX_QUEUE_LRO = 0x0B16,
HCLGE_OPC_CFG_RX_QUEUE_LRO = 0x0B17,
HCLGE_OPC_CFG_COM_TQP_QUEUE = 0x0B20,
@@ -270,6 +270,8 @@ enum hclge_opcode_type {
HCLGE_OPC_M7_COMPAT_CFG = 0x701A,
/* SFP command */
+ HCLGE_OPC_GET_SFP_EEPROM = 0x7100,
+ HCLGE_OPC_GET_SFP_EXIST = 0x7101,
HCLGE_OPC_GET_SFP_INFO = 0x7104,
/* Error INT commands */
@@ -733,31 +735,6 @@ struct hclge_mac_mgr_tbl_entry_cmd {
u8 rsv3[2];
};
-struct hclge_mac_vlan_add_cmd {
- __le16 flags;
- __le16 mac_addr_hi16;
- __le32 mac_addr_lo32;
- __le32 mac_addr_msk_hi32;
- __le16 mac_addr_msk_lo16;
- __le16 vlan_tag;
- __le16 ingress_port;
- __le16 egress_port;
- u8 rsv[4];
-};
-
-#define HNS3_MAC_VLAN_CFG_FLAG_BIT 0
-struct hclge_mac_vlan_remove_cmd {
- __le16 flags;
- __le16 mac_addr_hi16;
- __le32 mac_addr_lo32;
- __le32 mac_addr_msk_hi32;
- __le16 mac_addr_msk_lo16;
- __le16 vlan_tag;
- __le16 ingress_port;
- __le16 egress_port;
- u8 rsv[4];
-};
-
struct hclge_vlan_filter_ctrl_cmd {
u8 vlan_type;
u8 vlan_fe;
@@ -907,8 +884,8 @@ struct hclge_cfg_tso_status_cmd {
#define HCLGE_GRO_EN_B 0
struct hclge_cfg_gro_status_cmd {
- __le16 gro_en;
- u8 rsv[22];
+ u8 gro_en;
+ u8 rsv[23];
};
#define HCLGE_TSO_MSS_MIN 256
@@ -1079,6 +1056,19 @@ struct hclge_firmware_compat_cmd {
u8 rsv[20];
};
+#define HCLGE_SFP_INFO_CMD_NUM 6
+#define HCLGE_SFP_INFO_BD0_LEN 20
+#define HCLGE_SFP_INFO_BDX_LEN 24
+#define HCLGE_SFP_INFO_MAX_LEN \
+ (HCLGE_SFP_INFO_BD0_LEN + \
+ (HCLGE_SFP_INFO_CMD_NUM - 1) * HCLGE_SFP_INFO_BDX_LEN)
+
+struct hclge_sfp_info_bd0_cmd {
+ __le16 offset;
+ __le16 read_len;
+ u8 data[HCLGE_SFP_INFO_BD0_LEN];
+};
+
int hclge_cmd_init(struct hclge_dev *hdev);
static inline void hclge_write_reg(void __iomem *base, u32 reg, u32 value)
{
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
index 17228288d4df..26f6f068b01d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c
@@ -143,7 +143,7 @@ static void hclge_dbg_dump_reg_common(struct hclge_dev *hdev,
return;
}
- buf_len = sizeof(struct hclge_desc) * bd_num;
+ buf_len = sizeof(struct hclge_desc) * bd_num;
desc_src = kzalloc(buf_len, GFP_KERNEL);
if (!desc_src)
return;
@@ -173,6 +173,114 @@ static void hclge_dbg_dump_reg_common(struct hclge_dev *hdev,
kfree(desc_src);
}
+static void hclge_dbg_dump_mac_enable_status(struct hclge_dev *hdev)
+{
+ struct hclge_config_mac_mode_cmd *req;
+ struct hclge_desc desc;
+ u32 loop_en;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAC_MODE, true);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to dump mac enable status, ret = %d\n", ret);
+ return;
+ }
+
+ req = (struct hclge_config_mac_mode_cmd *)desc.data;
+ loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
+
+ dev_info(&hdev->pdev->dev, "config_mac_trans_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_TX_EN_B));
+ dev_info(&hdev->pdev->dev, "config_mac_rcv_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_RX_EN_B));
+ dev_info(&hdev->pdev->dev, "config_pad_trans_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_PAD_TX_B));
+ dev_info(&hdev->pdev->dev, "config_pad_rcv_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_PAD_RX_B));
+ dev_info(&hdev->pdev->dev, "config_1588_trans_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_1588_TX_B));
+ dev_info(&hdev->pdev->dev, "config_1588_rcv_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_1588_RX_B));
+ dev_info(&hdev->pdev->dev, "config_mac_app_loop_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_APP_LP_B));
+ dev_info(&hdev->pdev->dev, "config_mac_line_loop_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_LINE_LP_B));
+ dev_info(&hdev->pdev->dev, "config_mac_fcs_tx_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_FCS_TX_B));
+ dev_info(&hdev->pdev->dev, "config_mac_rx_oversize_truncate_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_RX_OVERSIZE_TRUNCATE_B));
+ dev_info(&hdev->pdev->dev, "config_mac_rx_fcs_strip_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_RX_FCS_STRIP_B));
+ dev_info(&hdev->pdev->dev, "config_mac_rx_fcs_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_RX_FCS_B));
+ dev_info(&hdev->pdev->dev, "config_mac_tx_under_min_err_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_TX_UNDER_MIN_ERR_B));
+ dev_info(&hdev->pdev->dev, "config_mac_tx_oversize_truncate_en: %#x\n",
+ hnae3_get_bit(loop_en, HCLGE_MAC_TX_OVERSIZE_TRUNCATE_B));
+}
+
+static void hclge_dbg_dump_mac_frame_size(struct hclge_dev *hdev)
+{
+ struct hclge_config_max_frm_size_cmd *req;
+ struct hclge_desc desc;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_MAX_FRM_SIZE, true);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to dump mac frame size, ret = %d\n", ret);
+ return;
+ }
+
+ req = (struct hclge_config_max_frm_size_cmd *)desc.data;
+
+ dev_info(&hdev->pdev->dev, "max_frame_size: %u\n",
+ le16_to_cpu(req->max_frm_size));
+ dev_info(&hdev->pdev->dev, "min_frame_size: %u\n", req->min_frm_size);
+}
+
+static void hclge_dbg_dump_mac_speed_duplex(struct hclge_dev *hdev)
+{
+#define HCLGE_MAC_SPEED_SHIFT 0
+#define HCLGE_MAC_SPEED_MASK GENMASK(5, 0)
+#define HCLGE_MAC_DUPLEX_SHIFT 7
+
+ struct hclge_config_mac_speed_dup_cmd *req;
+ struct hclge_desc desc;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_CONFIG_SPEED_DUP, true);
+
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to dump mac speed duplex, ret = %d\n", ret);
+ return;
+ }
+
+ req = (struct hclge_config_mac_speed_dup_cmd *)desc.data;
+
+ dev_info(&hdev->pdev->dev, "speed: %#lx\n",
+ hnae3_get_field(req->speed_dup, HCLGE_MAC_SPEED_MASK,
+ HCLGE_MAC_SPEED_SHIFT));
+ dev_info(&hdev->pdev->dev, "duplex: %#x\n",
+ hnae3_get_bit(req->speed_dup, HCLGE_MAC_DUPLEX_SHIFT));
+}
+
+static void hclge_dbg_dump_mac(struct hclge_dev *hdev)
+{
+ hclge_dbg_dump_mac_enable_status(hdev);
+
+ hclge_dbg_dump_mac_frame_size(hdev);
+
+ hclge_dbg_dump_mac_speed_duplex(hdev);
+}
+
static void hclge_dbg_dump_dcb(struct hclge_dev *hdev, const char *cmd_buf)
{
struct device *dev = &hdev->pdev->dev;
@@ -304,6 +412,11 @@ static void hclge_dbg_dump_reg_cmd(struct hclge_dev *hdev, const char *cmd_buf)
}
}
+ if (strncmp(cmd_buf, "mac", strlen("mac")) == 0) {
+ hclge_dbg_dump_mac(hdev);
+ has_dump = true;
+ }
+
if (strncmp(cmd_buf, "dcb", 3) == 0) {
hclge_dbg_dump_dcb(hdev, &cmd_buf[sizeof("dcb")]);
has_dump = true;
@@ -578,7 +691,7 @@ static void hclge_dbg_dump_tm_map(struct hclge_dev *hdev,
enum hclge_opcode_type cmd;
struct hclge_desc desc;
int queue_id, group_id;
- u32 qset_maping[32];
+ u32 qset_mapping[32];
int tc_id, qset_id;
int pri_id, ret;
u32 i;
@@ -633,7 +746,7 @@ static void hclge_dbg_dump_tm_map(struct hclge_dev *hdev,
if (ret)
goto err_tm_map_cmd_send;
- qset_maping[group_id] =
+ qset_mapping[group_id] =
le32_to_cpu(bp_to_qs_map_cmd->qs_bit_map);
}
@@ -643,11 +756,11 @@ static void hclge_dbg_dump_tm_map(struct hclge_dev *hdev,
for (group_id = 0; group_id < 4; group_id++) {
dev_info(&hdev->pdev->dev,
"%04d | %08x:%08x:%08x:%08x:%08x:%08x:%08x:%08x\n",
- group_id * 256, qset_maping[(u32)(i + 7)],
- qset_maping[(u32)(i + 6)], qset_maping[(u32)(i + 5)],
- qset_maping[(u32)(i + 4)], qset_maping[(u32)(i + 3)],
- qset_maping[(u32)(i + 2)], qset_maping[(u32)(i + 1)],
- qset_maping[i]);
+ group_id * 256, qset_mapping[(u32)(i + 7)],
+ qset_mapping[(u32)(i + 6)], qset_mapping[(u32)(i + 5)],
+ qset_mapping[(u32)(i + 4)], qset_mapping[(u32)(i + 3)],
+ qset_mapping[(u32)(i + 2)], qset_mapping[(u32)(i + 1)],
+ qset_mapping[i]);
i += 8;
}
@@ -1145,6 +1258,7 @@ static void hclge_dbg_dump_ncl_config(struct hclge_dev *hdev,
{
#define HCLGE_MAX_NCL_CONFIG_OFFSET 4096
#define HCLGE_NCL_CONFIG_LENGTH_IN_EACH_CMD (20 + 24 * 4)
+#define HCLGE_NCL_CONFIG_PARAM_NUM 2
struct hclge_desc desc[HCLGE_CMD_NCL_CONFIG_BD_NUM];
int bd_num = HCLGE_CMD_NCL_CONFIG_BD_NUM;
@@ -1154,13 +1268,17 @@ static void hclge_dbg_dump_ncl_config(struct hclge_dev *hdev,
int ret;
ret = sscanf(cmd_buf, "%x %x", &offset, &length);
- if (ret != 2 || offset >= HCLGE_MAX_NCL_CONFIG_OFFSET ||
- length > HCLGE_MAX_NCL_CONFIG_OFFSET - offset) {
- dev_err(&hdev->pdev->dev, "Invalid offset or length.\n");
+ if (ret != HCLGE_NCL_CONFIG_PARAM_NUM) {
+ dev_err(&hdev->pdev->dev,
+ "Too few parameters, num = %d.\n", ret);
return;
}
- if (offset < 0 || length <= 0) {
- dev_err(&hdev->pdev->dev, "Non-positive offset or length.\n");
+
+ if (offset < 0 || offset >= HCLGE_MAX_NCL_CONFIG_OFFSET ||
+ length <= 0 || length > HCLGE_MAX_NCL_CONFIG_OFFSET - offset) {
+ dev_err(&hdev->pdev->dev,
+ "Invalid input, offset = %d, length = %d.\n",
+ offset, length);
return;
}
@@ -1328,6 +1446,49 @@ static void hclge_dbg_dump_qs_shaper(struct hclge_dev *hdev,
hclge_dbg_dump_qs_shaper_single(hdev, qsid);
}
+static int hclge_dbg_dump_mac_list(struct hclge_dev *hdev, const char *cmd_buf,
+ bool is_unicast)
+{
+ struct hclge_mac_node *mac_node, *tmp;
+ struct hclge_vport *vport;
+ struct list_head *list;
+ u32 func_id;
+ int ret;
+
+ ret = kstrtouint(cmd_buf, 0, &func_id);
+ if (ret < 0) {
+ dev_err(&hdev->pdev->dev,
+ "dump mac list: bad command string, ret = %d\n", ret);
+ return -EINVAL;
+ }
+
+ if (func_id >= hdev->num_alloc_vport) {
+ dev_err(&hdev->pdev->dev,
+ "function id(%u) is out of range(0-%u)\n", func_id,
+ hdev->num_alloc_vport - 1);
+ return -EINVAL;
+ }
+
+ vport = &hdev->vport[func_id];
+
+ list = is_unicast ? &vport->uc_mac_list : &vport->mc_mac_list;
+
+ dev_info(&hdev->pdev->dev, "vport %u %s mac list:\n",
+ func_id, is_unicast ? "uc" : "mc");
+ dev_info(&hdev->pdev->dev, "mac address state\n");
+
+ spin_lock_bh(&vport->mac_list_lock);
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ dev_info(&hdev->pdev->dev, "%pM %d\n",
+ mac_node->mac_addr, mac_node->state);
+ }
+
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ return 0;
+}
+
int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)
{
#define DUMP_REG "dump reg"
@@ -1372,6 +1533,14 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf)
} else if (strncmp(cmd_buf, "dump qs shaper", 14) == 0) {
hclge_dbg_dump_qs_shaper(hdev,
&cmd_buf[sizeof("dump qs shaper")]);
+ } else if (strncmp(cmd_buf, "dump uc mac list", 16) == 0) {
+ hclge_dbg_dump_mac_list(hdev,
+ &cmd_buf[sizeof("dump uc mac list")],
+ true);
+ } else if (strncmp(cmd_buf, "dump mc mac list", 16) == 0) {
+ hclge_dbg_dump_mac_list(hdev,
+ &cmd_buf[sizeof("dump mc mac list")],
+ false);
} else {
dev_info(&hdev->pdev->dev, "unknown command\n");
return -EINVAL;
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
index 876fd81ad2f1..608fe26fc3fe 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.h
@@ -16,7 +16,6 @@
#define HCLGE_RAS_REG_NFE_MASK 0xFF00
#define HCLGE_RAS_REG_ROCEE_ERR_MASK 0x3000000
-#define HCLGE_VECTOR0_PF_OTHER_INT_STS_REG 0x20800
#define HCLGE_VECTOR0_REG_MSIX_MASK 0x1FF00
#define HCLGE_IMP_TCM_ECC_ERR_INT_EN 0xFFFF0000
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index a758f9ae32be..96bfad52630d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -62,14 +62,16 @@ static int hclge_init_vlan_config(struct hclge_dev *hdev);
static void hclge_sync_vlan_filter(struct hclge_dev *hdev);
static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev);
static bool hclge_get_hw_reset_stat(struct hnae3_handle *handle);
-static int hclge_set_umv_space(struct hclge_dev *hdev, u16 space_size,
- u16 *allocated_size, bool is_alloc);
static void hclge_rfs_filter_expire(struct hclge_dev *hdev);
static void hclge_clear_arfs_rules(struct hnae3_handle *handle);
static enum hnae3_reset_type hclge_get_reset_level(struct hnae3_ae_dev *ae_dev,
unsigned long *addr);
static int hclge_set_default_loopback(struct hclge_dev *hdev);
+static void hclge_sync_mac_table(struct hclge_dev *hdev);
+static void hclge_restore_hw_table(struct hclge_dev *hdev);
+static void hclge_sync_promisc_mode(struct hclge_dev *hdev);
+
static struct hnae3_ae_algo ae_algo;
static struct workqueue_struct *hclge_wq;
@@ -550,7 +552,7 @@ static int hclge_tqps_update_stats(struct hnae3_handle *handle)
queue = handle->kinfo.tqp[i];
tqp = container_of(queue, struct hclge_tqp, q);
/* command : HCLGE_OPC_QUERY_IGU_STAT */
- hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QUERY_RX_STATUS,
+ hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_QUERY_RX_STATS,
true);
desc[0].data[0] = cpu_to_le32((tqp->index & 0x1ff));
@@ -570,7 +572,7 @@ static int hclge_tqps_update_stats(struct hnae3_handle *handle)
tqp = container_of(queue, struct hclge_tqp, q);
/* command : HCLGE_OPC_QUERY_IGU_STAT */
hclge_cmd_setup_basic_desc(&desc[0],
- HCLGE_OPC_QUERY_TX_STATUS,
+ HCLGE_OPC_QUERY_TX_STATS,
true);
desc[0].data[0] = cpu_to_le32((tqp->index & 0x1ff));
@@ -1361,10 +1363,8 @@ static int hclge_configure(struct hclge_dev *hdev)
int ret;
ret = hclge_get_cfg(hdev, &cfg);
- if (ret) {
- dev_err(&hdev->pdev->dev, "get mac mode error %d.\n", ret);
+ if (ret)
return ret;
- }
hdev->num_vmdq_vport = cfg.vmdq_vport_num;
hdev->base_tqp_pid = 0;
@@ -1387,7 +1387,8 @@ static int hclge_configure(struct hclge_dev *hdev)
ret = hclge_parse_speed(cfg.default_speed, &hdev->hw.mac.speed);
if (ret) {
- dev_err(&hdev->pdev->dev, "Get wrong speed ret=%d.\n", ret);
+ dev_err(&hdev->pdev->dev, "failed to parse speed %u, ret = %d\n",
+ cfg.default_speed, ret);
return ret;
}
@@ -1429,26 +1430,17 @@ static int hclge_configure(struct hclge_dev *hdev)
return ret;
}
-static int hclge_config_tso(struct hclge_dev *hdev, unsigned int tso_mss_min,
- unsigned int tso_mss_max)
+static int hclge_config_tso(struct hclge_dev *hdev, u16 tso_mss_min,
+ u16 tso_mss_max)
{
struct hclge_cfg_tso_status_cmd *req;
struct hclge_desc desc;
- u16 tso_mss;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_TSO_GENERIC_CONFIG, false);
req = (struct hclge_cfg_tso_status_cmd *)desc.data;
-
- tso_mss = 0;
- hnae3_set_field(tso_mss, HCLGE_TSO_MSS_MIN_M,
- HCLGE_TSO_MSS_MIN_S, tso_mss_min);
- req->tso_mss_min = cpu_to_le16(tso_mss);
-
- tso_mss = 0;
- hnae3_set_field(tso_mss, HCLGE_TSO_MSS_MIN_M,
- HCLGE_TSO_MSS_MIN_S, tso_mss_max);
- req->tso_mss_max = cpu_to_le16(tso_mss);
+ req->tso_mss_min = cpu_to_le16(tso_mss_min);
+ req->tso_mss_max = cpu_to_le16(tso_mss_max);
return hclge_cmd_send(&hdev->hw, &desc, 1);
}
@@ -1465,7 +1457,7 @@ static int hclge_config_gro(struct hclge_dev *hdev, bool en)
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GRO_GENERIC_CONFIG, false);
req = (struct hclge_cfg_gro_status_cmd *)desc.data;
- req->gro_en = cpu_to_le16(en ? 1 : 0);
+ req->gro_en = en ? 1 : 0;
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
@@ -1687,6 +1679,7 @@ static int hclge_alloc_vport(struct hclge_dev *hdev)
INIT_LIST_HEAD(&vport->vlan_list);
INIT_LIST_HEAD(&vport->uc_mac_list);
INIT_LIST_HEAD(&vport->mc_mac_list);
+ spin_lock_init(&vport->mac_list_lock);
if (i == 0)
ret = hclge_vport_setup(vport, tqp_main_vport);
@@ -2965,13 +2958,11 @@ static int hclge_set_vf_link_state(struct hnae3_handle *handle, int vf,
static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
{
- u32 rst_src_reg, cmdq_src_reg, msix_src_reg;
+ u32 cmdq_src_reg, msix_src_reg;
/* fetch the events from their corresponding regs */
- rst_src_reg = hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS);
cmdq_src_reg = hclge_read_dev(&hdev->hw, HCLGE_VECTOR0_CMDQ_SRC_REG);
- msix_src_reg = hclge_read_dev(&hdev->hw,
- HCLGE_VECTOR0_PF_OTHER_INT_STS_REG);
+ msix_src_reg = hclge_read_dev(&hdev->hw, HCLGE_MISC_VECTOR_INT_STS);
/* Assumption: If by any chance reset and mailbox events are reported
* together then we will only process reset event in this go and will
@@ -2981,7 +2972,7 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
*
* check for vector0 reset event sources
*/
- if (BIT(HCLGE_VECTOR0_IMPRESET_INT_B) & rst_src_reg) {
+ if (BIT(HCLGE_VECTOR0_IMPRESET_INT_B) & msix_src_reg) {
dev_info(&hdev->pdev->dev, "IMP reset interrupt\n");
set_bit(HNAE3_IMP_RESET, &hdev->reset_pending);
set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
@@ -2990,7 +2981,7 @@ static u32 hclge_check_event_cause(struct hclge_dev *hdev, u32 *clearval)
return HCLGE_VECTOR0_EVENT_RST;
}
- if (BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B) & rst_src_reg) {
+ if (BIT(HCLGE_VECTOR0_GLOBALRESET_INT_B) & msix_src_reg) {
dev_info(&hdev->pdev->dev, "global reset interrupt\n");
set_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
set_bit(HNAE3_GLOBAL_RESET, &hdev->reset_pending);
@@ -3480,7 +3471,7 @@ static enum hnae3_reset_type hclge_get_reset_level(struct hnae3_ae_dev *ae_dev,
/* first, resolve any unknown reset type to the known type(s) */
if (test_bit(HNAE3_UNKNOWN_RESET, addr)) {
u32 msix_sts_reg = hclge_read_dev(&hdev->hw,
- HCLGE_VECTOR0_PF_OTHER_INT_STS_REG);
+ HCLGE_MISC_VECTOR_INT_STS);
/* we will intentionally ignore any errors from this function
* as we will end up in *some* reset request in any case
*/
@@ -3729,22 +3720,13 @@ static int hclge_reset_stack(struct hclge_dev *hdev)
if (ret)
return ret;
- ret = hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
- if (ret)
- return ret;
-
- return hclge_notify_client(hdev, HNAE3_RESTORE_CLIENT);
+ return hclge_notify_client(hdev, HNAE3_INIT_CLIENT);
}
static int hclge_reset_prepare(struct hclge_dev *hdev)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
int ret;
- /* Initialize ae_dev reset status as well, in case enet layer wants to
- * know if device is undergoing reset
- */
- ae_dev->reset_type = hdev->reset_type;
hdev->rst_stats.reset_cnt++;
/* perform reset of the stack & ae device for a client */
ret = hclge_notify_roce_client(hdev, HNAE3_DOWN_CLIENT);
@@ -3780,11 +3762,6 @@ static int hclge_reset_rebuild(struct hclge_dev *hdev)
hclge_clear_reset_cause(hdev);
- ret = hclge_reset_prepare_up(hdev);
- if (ret)
- return ret;
-
-
ret = hclge_notify_roce_client(hdev, HNAE3_INIT_CLIENT);
/* ignore RoCE notify error if it fails HCLGE_RESET_MAX_FAIL_CNT - 1
* times
@@ -3793,6 +3770,10 @@ static int hclge_reset_rebuild(struct hclge_dev *hdev)
hdev->rst_stats.reset_fail_cnt < HCLGE_RESET_MAX_FAIL_CNT - 1)
return ret;
+ ret = hclge_reset_prepare_up(hdev);
+ if (ret)
+ return ret;
+
rtnl_lock();
ret = hclge_notify_client(hdev, HNAE3_UP_CLIENT);
rtnl_unlock();
@@ -3806,7 +3787,6 @@ static int hclge_reset_rebuild(struct hclge_dev *hdev)
hdev->last_reset_time = jiffies;
hdev->rst_stats.reset_fail_cnt = 0;
hdev->rst_stats.reset_done_cnt++;
- ae_dev->reset_type = HNAE3_NONE_RESET;
clear_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
/* if default_reset_request has a higher level reset request,
@@ -3973,6 +3953,8 @@ static void hclge_periodic_service_task(struct hclge_dev *hdev)
* updated when it is triggered by mbx.
*/
hclge_update_link_status(hdev);
+ hclge_sync_mac_table(hdev);
+ hclge_sync_promisc_mode(hdev);
if (time_is_after_jiffies(hdev->last_serv_processed + HZ)) {
delta = jiffies - hdev->last_serv_processed;
@@ -4722,7 +4704,8 @@ static int hclge_cmd_set_promisc_mode(struct hclge_dev *hdev,
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret)
dev_err(&hdev->pdev->dev,
- "Set promisc mode fail, status is %d.\n", ret);
+ "failed to set vport %d promisc mode, ret = %d.\n",
+ param->vf_id, ret);
return ret;
}
@@ -4772,6 +4755,14 @@ static int hclge_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc,
en_bc_pmc);
}
+static void hclge_request_update_promisc_mode(struct hnae3_handle *handle)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+
+ set_bit(HCLGE_STATE_PROMISC_CHANGED, &hdev->state);
+}
+
static int hclge_get_fd_mode(struct hclge_dev *hdev, u8 *fd_mode)
{
struct hclge_get_fd_mode_cmd *req;
@@ -4822,7 +4813,8 @@ static int hclge_get_fd_allocation(struct hclge_dev *hdev,
return ret;
}
-static int hclge_set_fd_key_config(struct hclge_dev *hdev, int stage_num)
+static int hclge_set_fd_key_config(struct hclge_dev *hdev,
+ enum HCLGE_FD_STAGE stage_num)
{
struct hclge_set_fd_key_config_cmd *req;
struct hclge_fd_key_cfg *stage;
@@ -4876,9 +4868,6 @@ static int hclge_init_fd_config(struct hclge_dev *hdev)
return -EOPNOTSUPP;
}
- hdev->fd_cfg.proto_support =
- TCP_V4_FLOW | UDP_V4_FLOW | SCTP_V4_FLOW | TCP_V6_FLOW |
- UDP_V6_FLOW | SCTP_V6_FLOW | IPV4_USER_FLOW | IPV6_USER_FLOW;
key_cfg = &hdev->fd_cfg.key_cfg[HCLGE_FD_STAGE_1];
key_cfg->key_sel = HCLGE_FD_KEY_BASE_ON_TUPLE,
key_cfg->inner_sipv6_word_en = LOW_2_WORDS;
@@ -4892,11 +4881,9 @@ static int hclge_init_fd_config(struct hclge_dev *hdev)
BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
/* If use max 400bit key, we can support tuples for ether type */
- if (hdev->fd_cfg.max_key_length == MAX_KEY_LENGTH) {
- hdev->fd_cfg.proto_support |= ETHER_FLOW;
+ if (hdev->fd_cfg.fd_mode == HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1)
key_cfg->tuple_active |=
BIT(INNER_DST_MAC) | BIT(INNER_SRC_MAC);
- }
/* roce_type is used to filter roce frames
* dst_vport is used to specify the rule
@@ -5006,8 +4993,6 @@ static bool hclge_fd_convert_tuple(u32 tuple_bit, u8 *key_x, u8 *key_y,
return true;
switch (tuple_bit) {
- case 0:
- return false;
case BIT(INNER_DST_MAC):
for (i = 0; i < ETH_ALEN; i++) {
calc_x(key_x[ETH_ALEN - 1 - i], rule->tuples.dst_mac[i],
@@ -5165,9 +5150,10 @@ static int hclge_config_key(struct hclge_dev *hdev, u8 stage,
struct hclge_fd_key_cfg *key_cfg = &hdev->fd_cfg.key_cfg[stage];
u8 key_x[MAX_KEY_BYTES], key_y[MAX_KEY_BYTES];
u8 *cur_key_x, *cur_key_y;
- unsigned int i;
- int ret, tuple_size;
u8 meta_data_region;
+ u8 tuple_size;
+ int ret;
+ u32 i;
memset(key_x, 0, sizeof(key_x));
memset(key_y, 0, sizeof(key_y));
@@ -5244,172 +5230,255 @@ static int hclge_config_action(struct hclge_dev *hdev, u8 stage,
return hclge_fd_ad_config(hdev, stage, ad_data.ad_id, &ad_data);
}
-static int hclge_fd_check_spec(struct hclge_dev *hdev,
- struct ethtool_rx_flow_spec *fs, u32 *unused)
+static int hclge_fd_check_tcpip4_tuple(struct ethtool_tcpip4_spec *spec,
+ u32 *unused_tuple)
{
- struct ethtool_tcpip4_spec *tcp_ip4_spec;
- struct ethtool_usrip4_spec *usr_ip4_spec;
- struct ethtool_tcpip6_spec *tcp_ip6_spec;
- struct ethtool_usrip6_spec *usr_ip6_spec;
- struct ethhdr *ether_spec;
-
- if (fs->location >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1])
+ if (!spec || !unused_tuple)
return -EINVAL;
- if (!(fs->flow_type & hdev->fd_cfg.proto_support))
- return -EOPNOTSUPP;
-
- if ((fs->flow_type & FLOW_EXT) &&
- (fs->h_ext.data[0] != 0 || fs->h_ext.data[1] != 0)) {
- dev_err(&hdev->pdev->dev, "user-def bytes are not supported\n");
- return -EOPNOTSUPP;
- }
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
- switch (fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
- case SCTP_V4_FLOW:
- case TCP_V4_FLOW:
- case UDP_V4_FLOW:
- tcp_ip4_spec = &fs->h_u.tcp_ip4_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC);
+ if (!spec->ip4src)
+ *unused_tuple |= BIT(INNER_SRC_IP);
- if (!tcp_ip4_spec->ip4src)
- *unused |= BIT(INNER_SRC_IP);
+ if (!spec->ip4dst)
+ *unused_tuple |= BIT(INNER_DST_IP);
- if (!tcp_ip4_spec->ip4dst)
- *unused |= BIT(INNER_DST_IP);
+ if (!spec->psrc)
+ *unused_tuple |= BIT(INNER_SRC_PORT);
- if (!tcp_ip4_spec->psrc)
- *unused |= BIT(INNER_SRC_PORT);
+ if (!spec->pdst)
+ *unused_tuple |= BIT(INNER_DST_PORT);
- if (!tcp_ip4_spec->pdst)
- *unused |= BIT(INNER_DST_PORT);
+ if (!spec->tos)
+ *unused_tuple |= BIT(INNER_IP_TOS);
- if (!tcp_ip4_spec->tos)
- *unused |= BIT(INNER_IP_TOS);
+ return 0;
+}
- break;
- case IP_USER_FLOW:
- usr_ip4_spec = &fs->h_u.usr_ip4_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
+static int hclge_fd_check_ip4_tuple(struct ethtool_usrip4_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
- if (!usr_ip4_spec->ip4src)
- *unused |= BIT(INNER_SRC_IP);
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
- if (!usr_ip4_spec->ip4dst)
- *unused |= BIT(INNER_DST_IP);
+ if (!spec->ip4src)
+ *unused_tuple |= BIT(INNER_SRC_IP);
- if (!usr_ip4_spec->tos)
- *unused |= BIT(INNER_IP_TOS);
+ if (!spec->ip4dst)
+ *unused_tuple |= BIT(INNER_DST_IP);
- if (!usr_ip4_spec->proto)
- *unused |= BIT(INNER_IP_PROTO);
+ if (!spec->tos)
+ *unused_tuple |= BIT(INNER_IP_TOS);
- if (usr_ip4_spec->l4_4_bytes)
- return -EOPNOTSUPP;
+ if (!spec->proto)
+ *unused_tuple |= BIT(INNER_IP_PROTO);
- if (usr_ip4_spec->ip_ver != ETH_RX_NFC_IP4)
- return -EOPNOTSUPP;
+ if (spec->l4_4_bytes)
+ return -EOPNOTSUPP;
- break;
- case SCTP_V6_FLOW:
- case TCP_V6_FLOW:
- case UDP_V6_FLOW:
- tcp_ip6_spec = &fs->h_u.tcp_ip6_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_IP_TOS);
+ if (spec->ip_ver != ETH_RX_NFC_IP4)
+ return -EOPNOTSUPP;
- /* check whether src/dst ip address used */
- if (!tcp_ip6_spec->ip6src[0] && !tcp_ip6_spec->ip6src[1] &&
- !tcp_ip6_spec->ip6src[2] && !tcp_ip6_spec->ip6src[3])
- *unused |= BIT(INNER_SRC_IP);
+ return 0;
+}
- if (!tcp_ip6_spec->ip6dst[0] && !tcp_ip6_spec->ip6dst[1] &&
- !tcp_ip6_spec->ip6dst[2] && !tcp_ip6_spec->ip6dst[3])
- *unused |= BIT(INNER_DST_IP);
+static int hclge_fd_check_tcpip6_tuple(struct ethtool_tcpip6_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
- if (!tcp_ip6_spec->psrc)
- *unused |= BIT(INNER_SRC_PORT);
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_IP_TOS);
- if (!tcp_ip6_spec->pdst)
- *unused |= BIT(INNER_DST_PORT);
+ /* check whether src/dst ip address used */
+ if (!spec->ip6src[0] && !spec->ip6src[1] &&
+ !spec->ip6src[2] && !spec->ip6src[3])
+ *unused_tuple |= BIT(INNER_SRC_IP);
- if (tcp_ip6_spec->tclass)
- return -EOPNOTSUPP;
+ if (!spec->ip6dst[0] && !spec->ip6dst[1] &&
+ !spec->ip6dst[2] && !spec->ip6dst[3])
+ *unused_tuple |= BIT(INNER_DST_IP);
- break;
- case IPV6_USER_FLOW:
- usr_ip6_spec = &fs->h_u.usr_ip6_spec;
- *unused |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
- BIT(INNER_IP_TOS) | BIT(INNER_SRC_PORT) |
- BIT(INNER_DST_PORT);
+ if (!spec->psrc)
+ *unused_tuple |= BIT(INNER_SRC_PORT);
- /* check whether src/dst ip address used */
- if (!usr_ip6_spec->ip6src[0] && !usr_ip6_spec->ip6src[1] &&
- !usr_ip6_spec->ip6src[2] && !usr_ip6_spec->ip6src[3])
- *unused |= BIT(INNER_SRC_IP);
+ if (!spec->pdst)
+ *unused_tuple |= BIT(INNER_DST_PORT);
- if (!usr_ip6_spec->ip6dst[0] && !usr_ip6_spec->ip6dst[1] &&
- !usr_ip6_spec->ip6dst[2] && !usr_ip6_spec->ip6dst[3])
- *unused |= BIT(INNER_DST_IP);
+ if (spec->tclass)
+ return -EOPNOTSUPP;
- if (!usr_ip6_spec->l4_proto)
- *unused |= BIT(INNER_IP_PROTO);
+ return 0;
+}
- if (usr_ip6_spec->tclass)
- return -EOPNOTSUPP;
+static int hclge_fd_check_ip6_tuple(struct ethtool_usrip6_spec *spec,
+ u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
- if (usr_ip6_spec->l4_4_bytes)
- return -EOPNOTSUPP;
+ *unused_tuple |= BIT(INNER_SRC_MAC) | BIT(INNER_DST_MAC) |
+ BIT(INNER_IP_TOS) | BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT);
- break;
- case ETHER_FLOW:
- ether_spec = &fs->h_u.ether_spec;
- *unused |= BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
- BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT) |
- BIT(INNER_IP_TOS) | BIT(INNER_IP_PROTO);
+ /* check whether src/dst ip address used */
+ if (!spec->ip6src[0] && !spec->ip6src[1] &&
+ !spec->ip6src[2] && !spec->ip6src[3])
+ *unused_tuple |= BIT(INNER_SRC_IP);
- if (is_zero_ether_addr(ether_spec->h_source))
- *unused |= BIT(INNER_SRC_MAC);
+ if (!spec->ip6dst[0] && !spec->ip6dst[1] &&
+ !spec->ip6dst[2] && !spec->ip6dst[3])
+ *unused_tuple |= BIT(INNER_DST_IP);
- if (is_zero_ether_addr(ether_spec->h_dest))
- *unused |= BIT(INNER_DST_MAC);
+ if (!spec->l4_proto)
+ *unused_tuple |= BIT(INNER_IP_PROTO);
- if (!ether_spec->h_proto)
- *unused |= BIT(INNER_ETH_TYPE);
+ if (spec->tclass)
+ return -EOPNOTSUPP;
- break;
- default:
+ if (spec->l4_4_bytes)
return -EOPNOTSUPP;
- }
- if ((fs->flow_type & FLOW_EXT)) {
- if (fs->h_ext.vlan_etype)
+ return 0;
+}
+
+static int hclge_fd_check_ether_tuple(struct ethhdr *spec, u32 *unused_tuple)
+{
+ if (!spec || !unused_tuple)
+ return -EINVAL;
+
+ *unused_tuple |= BIT(INNER_SRC_IP) | BIT(INNER_DST_IP) |
+ BIT(INNER_SRC_PORT) | BIT(INNER_DST_PORT) |
+ BIT(INNER_IP_TOS) | BIT(INNER_IP_PROTO);
+
+ if (is_zero_ether_addr(spec->h_source))
+ *unused_tuple |= BIT(INNER_SRC_MAC);
+
+ if (is_zero_ether_addr(spec->h_dest))
+ *unused_tuple |= BIT(INNER_DST_MAC);
+
+ if (!spec->h_proto)
+ *unused_tuple |= BIT(INNER_ETH_TYPE);
+
+ return 0;
+}
+
+static int hclge_fd_check_ext_tuple(struct hclge_dev *hdev,
+ struct ethtool_rx_flow_spec *fs,
+ u32 *unused_tuple)
+{
+ if (fs->flow_type & FLOW_EXT) {
+ if (fs->h_ext.vlan_etype) {
+ dev_err(&hdev->pdev->dev, "vlan-etype is not supported!\n");
return -EOPNOTSUPP;
+ }
+
if (!fs->h_ext.vlan_tci)
- *unused |= BIT(INNER_VLAN_TAG_FST);
+ *unused_tuple |= BIT(INNER_VLAN_TAG_FST);
- if (fs->m_ext.vlan_tci) {
- if (be16_to_cpu(fs->h_ext.vlan_tci) >= VLAN_N_VID)
- return -EINVAL;
+ if (fs->m_ext.vlan_tci &&
+ be16_to_cpu(fs->h_ext.vlan_tci) >= VLAN_N_VID) {
+ dev_err(&hdev->pdev->dev,
+ "failed to config vlan_tci, invalid vlan_tci: %u, max is %u.\n",
+ ntohs(fs->h_ext.vlan_tci), VLAN_N_VID - 1);
+ return -EINVAL;
}
} else {
- *unused |= BIT(INNER_VLAN_TAG_FST);
+ *unused_tuple |= BIT(INNER_VLAN_TAG_FST);
}
if (fs->flow_type & FLOW_MAC_EXT) {
- if (!(hdev->fd_cfg.proto_support & ETHER_FLOW))
+ if (hdev->fd_cfg.fd_mode !=
+ HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
+ dev_err(&hdev->pdev->dev,
+ "FLOW_MAC_EXT is not supported in current fd mode!\n");
return -EOPNOTSUPP;
+ }
if (is_zero_ether_addr(fs->h_ext.h_dest))
- *unused |= BIT(INNER_DST_MAC);
+ *unused_tuple |= BIT(INNER_DST_MAC);
else
- *unused &= ~(BIT(INNER_DST_MAC));
+ *unused_tuple &= ~BIT(INNER_DST_MAC);
}
return 0;
}
+static int hclge_fd_check_spec(struct hclge_dev *hdev,
+ struct ethtool_rx_flow_spec *fs,
+ u32 *unused_tuple)
+{
+ u32 flow_type;
+ int ret;
+
+ if (fs->location >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]) {
+ dev_err(&hdev->pdev->dev,
+ "failed to config fd rules, invalid rule location: %u, max is %u\n.",
+ fs->location,
+ hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1] - 1);
+ return -EINVAL;
+ }
+
+ if ((fs->flow_type & FLOW_EXT) &&
+ (fs->h_ext.data[0] != 0 || fs->h_ext.data[1] != 0)) {
+ dev_err(&hdev->pdev->dev, "user-def bytes are not supported\n");
+ return -EOPNOTSUPP;
+ }
+
+ flow_type = fs->flow_type & ~(FLOW_EXT | FLOW_MAC_EXT);
+ switch (flow_type) {
+ case SCTP_V4_FLOW:
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ ret = hclge_fd_check_tcpip4_tuple(&fs->h_u.tcp_ip4_spec,
+ unused_tuple);
+ break;
+ case IP_USER_FLOW:
+ ret = hclge_fd_check_ip4_tuple(&fs->h_u.usr_ip4_spec,
+ unused_tuple);
+ break;
+ case SCTP_V6_FLOW:
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ ret = hclge_fd_check_tcpip6_tuple(&fs->h_u.tcp_ip6_spec,
+ unused_tuple);
+ break;
+ case IPV6_USER_FLOW:
+ ret = hclge_fd_check_ip6_tuple(&fs->h_u.usr_ip6_spec,
+ unused_tuple);
+ break;
+ case ETHER_FLOW:
+ if (hdev->fd_cfg.fd_mode !=
+ HCLGE_FD_MODE_DEPTH_2K_WIDTH_400B_STAGE_1) {
+ dev_err(&hdev->pdev->dev,
+ "ETHER_FLOW is not supported in current fd mode!\n");
+ return -EOPNOTSUPP;
+ }
+
+ ret = hclge_fd_check_ether_tuple(&fs->h_u.ether_spec,
+ unused_tuple);
+ break;
+ default:
+ dev_err(&hdev->pdev->dev,
+ "unsupported protocol type, protocol type = %#x\n",
+ flow_type);
+ return -EOPNOTSUPP;
+ }
+
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to check flow union tuple, ret = %d\n",
+ ret);
+ return ret;
+ }
+
+ return hclge_fd_check_ext_tuple(hdev, fs, unused_tuple);
+}
+
static bool hclge_fd_rule_exist(struct hclge_dev *hdev, u16 location)
{
struct hclge_fd_rule *rule = NULL;
@@ -5618,7 +5687,7 @@ static int hclge_fd_get_tuple(struct hclge_dev *hdev,
break;
}
- if ((fs->flow_type & FLOW_EXT)) {
+ if (fs->flow_type & FLOW_EXT) {
rule->tuples.vlan_tag1 = be16_to_cpu(fs->h_ext.vlan_tci);
rule->tuples_mask.vlan_tag1 = be16_to_cpu(fs->m_ext.vlan_tci);
}
@@ -5673,22 +5742,23 @@ static int hclge_add_fd_entry(struct hnae3_handle *handle,
u8 action;
int ret;
- if (!hnae3_dev_fd_supported(hdev))
+ if (!hnae3_dev_fd_supported(hdev)) {
+ dev_err(&hdev->pdev->dev,
+ "flow table director is not supported\n");
return -EOPNOTSUPP;
+ }
if (!hdev->fd_en) {
- dev_warn(&hdev->pdev->dev,
- "Please enable flow director first\n");
+ dev_err(&hdev->pdev->dev,
+ "please enable flow director first\n");
return -EOPNOTSUPP;
}
fs = (struct ethtool_rx_flow_spec *)&cmd->fs;
ret = hclge_fd_check_spec(hdev, fs, &unused);
- if (ret) {
- dev_err(&hdev->pdev->dev, "Check fd spec failed\n");
+ if (ret)
return ret;
- }
if (fs->ring_cookie == RX_CLS_FLOW_DISC) {
action = HCLGE_FD_ACTION_DROP_PACKET;
@@ -5729,7 +5799,6 @@ static int hclge_add_fd_entry(struct hnae3_handle *handle,
}
rule->flow_type = fs->flow_type;
-
rule->location = fs->location;
rule->unused_tuple = unused;
rule->vf_id = dst_vport_id;
@@ -5877,6 +5946,149 @@ static int hclge_get_fd_rule_cnt(struct hnae3_handle *handle,
return 0;
}
+static void hclge_fd_get_tcpip4_info(struct hclge_fd_rule *rule,
+ struct ethtool_tcpip4_spec *spec,
+ struct ethtool_tcpip4_spec *spec_mask)
+{
+ spec->ip4src = cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
+ spec_mask->ip4src = rule->unused_tuple & BIT(INNER_SRC_IP) ?
+ 0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
+
+ spec->ip4dst = cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
+ spec_mask->ip4dst = rule->unused_tuple & BIT(INNER_DST_IP) ?
+ 0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
+
+ spec->psrc = cpu_to_be16(rule->tuples.src_port);
+ spec_mask->psrc = rule->unused_tuple & BIT(INNER_SRC_PORT) ?
+ 0 : cpu_to_be16(rule->tuples_mask.src_port);
+
+ spec->pdst = cpu_to_be16(rule->tuples.dst_port);
+ spec_mask->pdst = rule->unused_tuple & BIT(INNER_DST_PORT) ?
+ 0 : cpu_to_be16(rule->tuples_mask.dst_port);
+
+ spec->tos = rule->tuples.ip_tos;
+ spec_mask->tos = rule->unused_tuple & BIT(INNER_IP_TOS) ?
+ 0 : rule->tuples_mask.ip_tos;
+}
+
+static void hclge_fd_get_ip4_info(struct hclge_fd_rule *rule,
+ struct ethtool_usrip4_spec *spec,
+ struct ethtool_usrip4_spec *spec_mask)
+{
+ spec->ip4src = cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
+ spec_mask->ip4src = rule->unused_tuple & BIT(INNER_SRC_IP) ?
+ 0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
+
+ spec->ip4dst = cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
+ spec_mask->ip4dst = rule->unused_tuple & BIT(INNER_DST_IP) ?
+ 0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
+
+ spec->tos = rule->tuples.ip_tos;
+ spec_mask->tos = rule->unused_tuple & BIT(INNER_IP_TOS) ?
+ 0 : rule->tuples_mask.ip_tos;
+
+ spec->proto = rule->tuples.ip_proto;
+ spec_mask->proto = rule->unused_tuple & BIT(INNER_IP_PROTO) ?
+ 0 : rule->tuples_mask.ip_proto;
+
+ spec->ip_ver = ETH_RX_NFC_IP4;
+}
+
+static void hclge_fd_get_tcpip6_info(struct hclge_fd_rule *rule,
+ struct ethtool_tcpip6_spec *spec,
+ struct ethtool_tcpip6_spec *spec_mask)
+{
+ cpu_to_be32_array(spec->ip6src,
+ rule->tuples.src_ip, IPV6_SIZE);
+ cpu_to_be32_array(spec->ip6dst,
+ rule->tuples.dst_ip, IPV6_SIZE);
+ if (rule->unused_tuple & BIT(INNER_SRC_IP))
+ memset(spec_mask->ip6src, 0, sizeof(spec_mask->ip6src));
+ else
+ cpu_to_be32_array(spec_mask->ip6src, rule->tuples_mask.src_ip,
+ IPV6_SIZE);
+
+ if (rule->unused_tuple & BIT(INNER_DST_IP))
+ memset(spec_mask->ip6dst, 0, sizeof(spec_mask->ip6dst));
+ else
+ cpu_to_be32_array(spec_mask->ip6dst, rule->tuples_mask.dst_ip,
+ IPV6_SIZE);
+
+ spec->psrc = cpu_to_be16(rule->tuples.src_port);
+ spec_mask->psrc = rule->unused_tuple & BIT(INNER_SRC_PORT) ?
+ 0 : cpu_to_be16(rule->tuples_mask.src_port);
+
+ spec->pdst = cpu_to_be16(rule->tuples.dst_port);
+ spec_mask->pdst = rule->unused_tuple & BIT(INNER_DST_PORT) ?
+ 0 : cpu_to_be16(rule->tuples_mask.dst_port);
+}
+
+static void hclge_fd_get_ip6_info(struct hclge_fd_rule *rule,
+ struct ethtool_usrip6_spec *spec,
+ struct ethtool_usrip6_spec *spec_mask)
+{
+ cpu_to_be32_array(spec->ip6src, rule->tuples.src_ip, IPV6_SIZE);
+ cpu_to_be32_array(spec->ip6dst, rule->tuples.dst_ip, IPV6_SIZE);
+ if (rule->unused_tuple & BIT(INNER_SRC_IP))
+ memset(spec_mask->ip6src, 0, sizeof(spec_mask->ip6src));
+ else
+ cpu_to_be32_array(spec_mask->ip6src,
+ rule->tuples_mask.src_ip, IPV6_SIZE);
+
+ if (rule->unused_tuple & BIT(INNER_DST_IP))
+ memset(spec_mask->ip6dst, 0, sizeof(spec_mask->ip6dst));
+ else
+ cpu_to_be32_array(spec_mask->ip6dst,
+ rule->tuples_mask.dst_ip, IPV6_SIZE);
+
+ spec->l4_proto = rule->tuples.ip_proto;
+ spec_mask->l4_proto = rule->unused_tuple & BIT(INNER_IP_PROTO) ?
+ 0 : rule->tuples_mask.ip_proto;
+}
+
+static void hclge_fd_get_ether_info(struct hclge_fd_rule *rule,
+ struct ethhdr *spec,
+ struct ethhdr *spec_mask)
+{
+ ether_addr_copy(spec->h_source, rule->tuples.src_mac);
+ ether_addr_copy(spec->h_dest, rule->tuples.dst_mac);
+
+ if (rule->unused_tuple & BIT(INNER_SRC_MAC))
+ eth_zero_addr(spec_mask->h_source);
+ else
+ ether_addr_copy(spec_mask->h_source, rule->tuples_mask.src_mac);
+
+ if (rule->unused_tuple & BIT(INNER_DST_MAC))
+ eth_zero_addr(spec_mask->h_dest);
+ else
+ ether_addr_copy(spec_mask->h_dest, rule->tuples_mask.dst_mac);
+
+ spec->h_proto = cpu_to_be16(rule->tuples.ether_proto);
+ spec_mask->h_proto = rule->unused_tuple & BIT(INNER_ETH_TYPE) ?
+ 0 : cpu_to_be16(rule->tuples_mask.ether_proto);
+}
+
+static void hclge_fd_get_ext_info(struct ethtool_rx_flow_spec *fs,
+ struct hclge_fd_rule *rule)
+{
+ if (fs->flow_type & FLOW_EXT) {
+ fs->h_ext.vlan_tci = cpu_to_be16(rule->tuples.vlan_tag1);
+ fs->m_ext.vlan_tci =
+ rule->unused_tuple & BIT(INNER_VLAN_TAG_FST) ?
+ cpu_to_be16(VLAN_VID_MASK) :
+ cpu_to_be16(rule->tuples_mask.vlan_tag1);
+ }
+
+ if (fs->flow_type & FLOW_MAC_EXT) {
+ ether_addr_copy(fs->h_ext.h_dest, rule->tuples.dst_mac);
+ if (rule->unused_tuple & BIT(INNER_DST_MAC))
+ eth_zero_addr(fs->m_u.ether_spec.h_dest);
+ else
+ ether_addr_copy(fs->m_u.ether_spec.h_dest,
+ rule->tuples_mask.dst_mac);
+ }
+}
+
static int hclge_get_fd_rule_info(struct hnae3_handle *handle,
struct ethtool_rxnfc *cmd)
{
@@ -5909,162 +6121,34 @@ static int hclge_get_fd_rule_info(struct hnae3_handle *handle,
case SCTP_V4_FLOW:
case TCP_V4_FLOW:
case UDP_V4_FLOW:
- fs->h_u.tcp_ip4_spec.ip4src =
- cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
- fs->m_u.tcp_ip4_spec.ip4src =
- rule->unused_tuple & BIT(INNER_SRC_IP) ?
- 0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
-
- fs->h_u.tcp_ip4_spec.ip4dst =
- cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
- fs->m_u.tcp_ip4_spec.ip4dst =
- rule->unused_tuple & BIT(INNER_DST_IP) ?
- 0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
-
- fs->h_u.tcp_ip4_spec.psrc = cpu_to_be16(rule->tuples.src_port);
- fs->m_u.tcp_ip4_spec.psrc =
- rule->unused_tuple & BIT(INNER_SRC_PORT) ?
- 0 : cpu_to_be16(rule->tuples_mask.src_port);
-
- fs->h_u.tcp_ip4_spec.pdst = cpu_to_be16(rule->tuples.dst_port);
- fs->m_u.tcp_ip4_spec.pdst =
- rule->unused_tuple & BIT(INNER_DST_PORT) ?
- 0 : cpu_to_be16(rule->tuples_mask.dst_port);
-
- fs->h_u.tcp_ip4_spec.tos = rule->tuples.ip_tos;
- fs->m_u.tcp_ip4_spec.tos =
- rule->unused_tuple & BIT(INNER_IP_TOS) ?
- 0 : rule->tuples_mask.ip_tos;
-
+ hclge_fd_get_tcpip4_info(rule, &fs->h_u.tcp_ip4_spec,
+ &fs->m_u.tcp_ip4_spec);
break;
case IP_USER_FLOW:
- fs->h_u.usr_ip4_spec.ip4src =
- cpu_to_be32(rule->tuples.src_ip[IPV4_INDEX]);
- fs->m_u.tcp_ip4_spec.ip4src =
- rule->unused_tuple & BIT(INNER_SRC_IP) ?
- 0 : cpu_to_be32(rule->tuples_mask.src_ip[IPV4_INDEX]);
-
- fs->h_u.usr_ip4_spec.ip4dst =
- cpu_to_be32(rule->tuples.dst_ip[IPV4_INDEX]);
- fs->m_u.usr_ip4_spec.ip4dst =
- rule->unused_tuple & BIT(INNER_DST_IP) ?
- 0 : cpu_to_be32(rule->tuples_mask.dst_ip[IPV4_INDEX]);
-
- fs->h_u.usr_ip4_spec.tos = rule->tuples.ip_tos;
- fs->m_u.usr_ip4_spec.tos =
- rule->unused_tuple & BIT(INNER_IP_TOS) ?
- 0 : rule->tuples_mask.ip_tos;
-
- fs->h_u.usr_ip4_spec.proto = rule->tuples.ip_proto;
- fs->m_u.usr_ip4_spec.proto =
- rule->unused_tuple & BIT(INNER_IP_PROTO) ?
- 0 : rule->tuples_mask.ip_proto;
-
- fs->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
-
+ hclge_fd_get_ip4_info(rule, &fs->h_u.usr_ip4_spec,
+ &fs->m_u.usr_ip4_spec);
break;
case SCTP_V6_FLOW:
case TCP_V6_FLOW:
case UDP_V6_FLOW:
- cpu_to_be32_array(fs->h_u.tcp_ip6_spec.ip6src,
- rule->tuples.src_ip, IPV6_SIZE);
- if (rule->unused_tuple & BIT(INNER_SRC_IP))
- memset(fs->m_u.tcp_ip6_spec.ip6src, 0,
- sizeof(int) * IPV6_SIZE);
- else
- cpu_to_be32_array(fs->m_u.tcp_ip6_spec.ip6src,
- rule->tuples_mask.src_ip, IPV6_SIZE);
-
- cpu_to_be32_array(fs->h_u.tcp_ip6_spec.ip6dst,
- rule->tuples.dst_ip, IPV6_SIZE);
- if (rule->unused_tuple & BIT(INNER_DST_IP))
- memset(fs->m_u.tcp_ip6_spec.ip6dst, 0,
- sizeof(int) * IPV6_SIZE);
- else
- cpu_to_be32_array(fs->m_u.tcp_ip6_spec.ip6dst,
- rule->tuples_mask.dst_ip, IPV6_SIZE);
-
- fs->h_u.tcp_ip6_spec.psrc = cpu_to_be16(rule->tuples.src_port);
- fs->m_u.tcp_ip6_spec.psrc =
- rule->unused_tuple & BIT(INNER_SRC_PORT) ?
- 0 : cpu_to_be16(rule->tuples_mask.src_port);
-
- fs->h_u.tcp_ip6_spec.pdst = cpu_to_be16(rule->tuples.dst_port);
- fs->m_u.tcp_ip6_spec.pdst =
- rule->unused_tuple & BIT(INNER_DST_PORT) ?
- 0 : cpu_to_be16(rule->tuples_mask.dst_port);
-
+ hclge_fd_get_tcpip6_info(rule, &fs->h_u.tcp_ip6_spec,
+ &fs->m_u.tcp_ip6_spec);
break;
case IPV6_USER_FLOW:
- cpu_to_be32_array(fs->h_u.usr_ip6_spec.ip6src,
- rule->tuples.src_ip, IPV6_SIZE);
- if (rule->unused_tuple & BIT(INNER_SRC_IP))
- memset(fs->m_u.usr_ip6_spec.ip6src, 0,
- sizeof(int) * IPV6_SIZE);
- else
- cpu_to_be32_array(fs->m_u.usr_ip6_spec.ip6src,
- rule->tuples_mask.src_ip, IPV6_SIZE);
-
- cpu_to_be32_array(fs->h_u.usr_ip6_spec.ip6dst,
- rule->tuples.dst_ip, IPV6_SIZE);
- if (rule->unused_tuple & BIT(INNER_DST_IP))
- memset(fs->m_u.usr_ip6_spec.ip6dst, 0,
- sizeof(int) * IPV6_SIZE);
- else
- cpu_to_be32_array(fs->m_u.usr_ip6_spec.ip6dst,
- rule->tuples_mask.dst_ip, IPV6_SIZE);
-
- fs->h_u.usr_ip6_spec.l4_proto = rule->tuples.ip_proto;
- fs->m_u.usr_ip6_spec.l4_proto =
- rule->unused_tuple & BIT(INNER_IP_PROTO) ?
- 0 : rule->tuples_mask.ip_proto;
-
- break;
- case ETHER_FLOW:
- ether_addr_copy(fs->h_u.ether_spec.h_source,
- rule->tuples.src_mac);
- if (rule->unused_tuple & BIT(INNER_SRC_MAC))
- eth_zero_addr(fs->m_u.ether_spec.h_source);
- else
- ether_addr_copy(fs->m_u.ether_spec.h_source,
- rule->tuples_mask.src_mac);
-
- ether_addr_copy(fs->h_u.ether_spec.h_dest,
- rule->tuples.dst_mac);
- if (rule->unused_tuple & BIT(INNER_DST_MAC))
- eth_zero_addr(fs->m_u.ether_spec.h_dest);
- else
- ether_addr_copy(fs->m_u.ether_spec.h_dest,
- rule->tuples_mask.dst_mac);
-
- fs->h_u.ether_spec.h_proto =
- cpu_to_be16(rule->tuples.ether_proto);
- fs->m_u.ether_spec.h_proto =
- rule->unused_tuple & BIT(INNER_ETH_TYPE) ?
- 0 : cpu_to_be16(rule->tuples_mask.ether_proto);
-
+ hclge_fd_get_ip6_info(rule, &fs->h_u.usr_ip6_spec,
+ &fs->m_u.usr_ip6_spec);
break;
+ /* The flow type of fd rule has been checked before adding in to rule
+ * list. As other flow types have been handled, it must be ETHER_FLOW
+ * for the default case
+ */
default:
- spin_unlock_bh(&hdev->fd_rule_lock);
- return -EOPNOTSUPP;
- }
-
- if (fs->flow_type & FLOW_EXT) {
- fs->h_ext.vlan_tci = cpu_to_be16(rule->tuples.vlan_tag1);
- fs->m_ext.vlan_tci =
- rule->unused_tuple & BIT(INNER_VLAN_TAG_FST) ?
- cpu_to_be16(VLAN_VID_MASK) :
- cpu_to_be16(rule->tuples_mask.vlan_tag1);
+ hclge_fd_get_ether_info(rule, &fs->h_u.ether_spec,
+ &fs->m_u.ether_spec);
+ break;
}
- if (fs->flow_type & FLOW_MAC_EXT) {
- ether_addr_copy(fs->h_ext.h_dest, rule->tuples.dst_mac);
- if (rule->unused_tuple & BIT(INNER_DST_MAC))
- eth_zero_addr(fs->m_u.ether_spec.h_dest);
- else
- ether_addr_copy(fs->m_u.ether_spec.h_dest,
- rule->tuples_mask.dst_mac);
- }
+ hclge_fd_get_ext_info(fs, rule);
if (rule->action == HCLGE_FD_ACTION_DROP_PACKET) {
fs->ring_cookie = RX_CLS_FLOW_DISC;
@@ -6202,7 +6286,6 @@ static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *handle, u16 queue_id,
*/
if (hdev->fd_active_type == HCLGE_FD_EP_ACTIVE) {
spin_unlock_bh(&hdev->fd_rule_lock);
-
return -EOPNOTSUPP;
}
@@ -6216,14 +6299,12 @@ static int hclge_add_fd_entry_by_arfs(struct hnae3_handle *handle, u16 queue_id,
bit_id = find_first_zero_bit(hdev->fd_bmap, MAX_FD_FILTER_NUM);
if (bit_id >= hdev->fd_cfg.rule_num[HCLGE_FD_STAGE_1]) {
spin_unlock_bh(&hdev->fd_rule_lock);
-
return -ENOSPC;
}
rule = kzalloc(sizeof(*rule), GFP_ATOMIC);
if (!rule) {
spin_unlock_bh(&hdev->fd_rule_lock);
-
return -ENOMEM;
}
@@ -6310,6 +6391,14 @@ static bool hclge_get_hw_reset_stat(struct hnae3_handle *handle)
hclge_read_dev(&hdev->hw, HCLGE_FUN_RST_ING);
}
+static bool hclge_get_cmdq_stat(struct hnae3_handle *handle)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+
+ return test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state);
+}
+
static bool hclge_ae_dev_resetting(struct hnae3_handle *handle)
{
struct hclge_vport *vport = hclge_get_vport(handle);
@@ -6486,8 +6575,6 @@ static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en)
/* 2 Then setup the loopback flag */
loop_en = le32_to_cpu(req->txrx_pad_fcs_loop_en);
hnae3_set_bit(loop_en, HCLGE_MAC_APP_LP_B, en ? 1 : 0);
- hnae3_set_bit(loop_en, HCLGE_MAC_TX_EN_B, en ? 1 : 0);
- hnae3_set_bit(loop_en, HCLGE_MAC_RX_EN_B, en ? 1 : 0);
req->txrx_pad_fcs_loop_en = cpu_to_le32(loop_en);
@@ -6834,8 +6921,22 @@ static void hclge_ae_stop(struct hnae3_handle *handle)
int hclge_vport_start(struct hclge_vport *vport)
{
+ struct hclge_dev *hdev = vport->back;
+
set_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
vport->last_active_jiffies = jiffies;
+
+ if (test_bit(vport->vport_id, hdev->vport_config_block)) {
+ if (vport->vport_id) {
+ hclge_restore_mac_table_common(vport);
+ hclge_restore_vport_vlan_table(vport);
+ } else {
+ hclge_restore_hw_table(hdev);
+ }
+ }
+
+ clear_bit(vport->vport_id, hdev->vport_config_block);
+
return 0;
}
@@ -6872,17 +6973,11 @@ static int hclge_get_mac_vlan_cmd_status(struct hclge_vport *vport,
}
if (op == HCLGE_MAC_VLAN_ADD) {
- if ((!resp_code) || (resp_code == 1)) {
+ if (!resp_code || resp_code == 1)
return 0;
- } else if (resp_code == HCLGE_ADD_UC_OVERFLOW) {
- dev_err(&hdev->pdev->dev,
- "add mac addr failed for uc_overflow.\n");
- return -ENOSPC;
- } else if (resp_code == HCLGE_ADD_MC_OVERFLOW) {
- dev_err(&hdev->pdev->dev,
- "add mac addr failed for mc_overflow.\n");
+ else if (resp_code == HCLGE_ADD_UC_OVERFLOW ||
+ resp_code == HCLGE_ADD_MC_OVERFLOW)
return -ENOSPC;
- }
dev_err(&hdev->pdev->dev,
"add mac addr failed for undefined, code=%u.\n",
@@ -7106,52 +7201,8 @@ static int hclge_add_mac_vlan_tbl(struct hclge_vport *vport,
return cfg_status;
}
-static int hclge_init_umv_space(struct hclge_dev *hdev)
-{
- u16 allocated_size = 0;
- int ret;
-
- ret = hclge_set_umv_space(hdev, hdev->wanted_umv_size, &allocated_size,
- true);
- if (ret)
- return ret;
-
- if (allocated_size < hdev->wanted_umv_size)
- dev_warn(&hdev->pdev->dev,
- "Alloc umv space failed, want %u, get %u\n",
- hdev->wanted_umv_size, allocated_size);
-
- mutex_init(&hdev->umv_mutex);
- hdev->max_umv_size = allocated_size;
- /* divide max_umv_size by (hdev->num_req_vfs + 2), in order to
- * preserve some unicast mac vlan table entries shared by pf
- * and its vfs.
- */
- hdev->priv_umv_size = hdev->max_umv_size / (hdev->num_req_vfs + 2);
- hdev->share_umv_size = hdev->priv_umv_size +
- hdev->max_umv_size % (hdev->num_req_vfs + 2);
-
- return 0;
-}
-
-static int hclge_uninit_umv_space(struct hclge_dev *hdev)
-{
- int ret;
-
- if (hdev->max_umv_size > 0) {
- ret = hclge_set_umv_space(hdev, hdev->max_umv_size, NULL,
- false);
- if (ret)
- return ret;
- hdev->max_umv_size = 0;
- }
- mutex_destroy(&hdev->umv_mutex);
-
- return 0;
-}
-
static int hclge_set_umv_space(struct hclge_dev *hdev, u16 space_size,
- u16 *allocated_size, bool is_alloc)
+ u16 *allocated_size)
{
struct hclge_umv_spc_alc_cmd *req;
struct hclge_desc desc;
@@ -7159,21 +7210,39 @@ static int hclge_set_umv_space(struct hclge_dev *hdev, u16 space_size,
req = (struct hclge_umv_spc_alc_cmd *)desc.data;
hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_MAC_VLAN_ALLOCATE, false);
- if (!is_alloc)
- hnae3_set_bit(req->allocate, HCLGE_UMV_SPC_ALC_B, 1);
req->space_size = cpu_to_le32(space_size);
ret = hclge_cmd_send(&hdev->hw, &desc, 1);
if (ret) {
- dev_err(&hdev->pdev->dev,
- "%s umv space failed for cmd_send, ret =%d\n",
- is_alloc ? "allocate" : "free", ret);
+ dev_err(&hdev->pdev->dev, "failed to set umv space, ret = %d\n",
+ ret);
return ret;
}
- if (is_alloc && allocated_size)
- *allocated_size = le32_to_cpu(desc.data[1]);
+ *allocated_size = le32_to_cpu(desc.data[1]);
+
+ return 0;
+}
+
+static int hclge_init_umv_space(struct hclge_dev *hdev)
+{
+ u16 allocated_size = 0;
+ int ret;
+
+ ret = hclge_set_umv_space(hdev, hdev->wanted_umv_size, &allocated_size);
+ if (ret)
+ return ret;
+
+ if (allocated_size < hdev->wanted_umv_size)
+ dev_warn(&hdev->pdev->dev,
+ "failed to alloc umv space, want %u, get %u\n",
+ hdev->wanted_umv_size, allocated_size);
+
+ hdev->max_umv_size = allocated_size;
+ hdev->priv_umv_size = hdev->max_umv_size / (hdev->num_alloc_vport + 1);
+ hdev->share_umv_size = hdev->priv_umv_size +
+ hdev->max_umv_size % (hdev->num_alloc_vport + 1);
return 0;
}
@@ -7188,21 +7257,25 @@ static void hclge_reset_umv_space(struct hclge_dev *hdev)
vport->used_umv_num = 0;
}
- mutex_lock(&hdev->umv_mutex);
+ mutex_lock(&hdev->vport_lock);
hdev->share_umv_size = hdev->priv_umv_size +
- hdev->max_umv_size % (hdev->num_req_vfs + 2);
- mutex_unlock(&hdev->umv_mutex);
+ hdev->max_umv_size % (hdev->num_alloc_vport + 1);
+ mutex_unlock(&hdev->vport_lock);
}
-static bool hclge_is_umv_space_full(struct hclge_vport *vport)
+static bool hclge_is_umv_space_full(struct hclge_vport *vport, bool need_lock)
{
struct hclge_dev *hdev = vport->back;
bool is_full;
- mutex_lock(&hdev->umv_mutex);
+ if (need_lock)
+ mutex_lock(&hdev->vport_lock);
+
is_full = (vport->used_umv_num >= hdev->priv_umv_size &&
hdev->share_umv_size == 0);
- mutex_unlock(&hdev->umv_mutex);
+
+ if (need_lock)
+ mutex_unlock(&hdev->vport_lock);
return is_full;
}
@@ -7211,7 +7284,6 @@ static void hclge_update_umv_space(struct hclge_vport *vport, bool is_free)
{
struct hclge_dev *hdev = vport->back;
- mutex_lock(&hdev->umv_mutex);
if (is_free) {
if (vport->used_umv_num > hdev->priv_umv_size)
hdev->share_umv_size++;
@@ -7224,7 +7296,99 @@ static void hclge_update_umv_space(struct hclge_vport *vport, bool is_free)
hdev->share_umv_size--;
vport->used_umv_num++;
}
- mutex_unlock(&hdev->umv_mutex);
+}
+
+static struct hclge_mac_node *hclge_find_mac_node(struct list_head *list,
+ const u8 *mac_addr)
+{
+ struct hclge_mac_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node)
+ if (ether_addr_equal(mac_addr, mac_node->mac_addr))
+ return mac_node;
+
+ return NULL;
+}
+
+static void hclge_update_mac_node(struct hclge_mac_node *mac_node,
+ enum HCLGE_MAC_NODE_STATE state)
+{
+ switch (state) {
+ /* from set_rx_mode or tmp_add_list */
+ case HCLGE_MAC_TO_ADD:
+ if (mac_node->state == HCLGE_MAC_TO_DEL)
+ mac_node->state = HCLGE_MAC_ACTIVE;
+ break;
+ /* only from set_rx_mode */
+ case HCLGE_MAC_TO_DEL:
+ if (mac_node->state == HCLGE_MAC_TO_ADD) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ mac_node->state = HCLGE_MAC_TO_DEL;
+ }
+ break;
+ /* only from tmp_add_list, the mac_node->state won't be
+ * ACTIVE.
+ */
+ case HCLGE_MAC_ACTIVE:
+ if (mac_node->state == HCLGE_MAC_TO_ADD)
+ mac_node->state = HCLGE_MAC_ACTIVE;
+
+ break;
+ }
+}
+
+int hclge_update_mac_list(struct hclge_vport *vport,
+ enum HCLGE_MAC_NODE_STATE state,
+ enum HCLGE_MAC_ADDR_TYPE mac_type,
+ const unsigned char *addr)
+{
+ struct hclge_dev *hdev = vport->back;
+ struct hclge_mac_node *mac_node;
+ struct list_head *list;
+
+ list = (mac_type == HCLGE_MAC_ADDR_UC) ?
+ &vport->uc_mac_list : &vport->mc_mac_list;
+
+ spin_lock_bh(&vport->mac_list_lock);
+
+ /* if the mac addr is already in the mac list, no need to add a new
+ * one into it, just check the mac addr state, convert it to a new
+ * new state, or just remove it, or do nothing.
+ */
+ mac_node = hclge_find_mac_node(list, addr);
+ if (mac_node) {
+ hclge_update_mac_node(mac_node, state);
+ spin_unlock_bh(&vport->mac_list_lock);
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
+ return 0;
+ }
+
+ /* if this address is never added, unnecessary to delete */
+ if (state == HCLGE_MAC_TO_DEL) {
+ spin_unlock_bh(&vport->mac_list_lock);
+ dev_err(&hdev->pdev->dev,
+ "failed to delete address %pM from mac list\n",
+ addr);
+ return -ENOENT;
+ }
+
+ mac_node = kzalloc(sizeof(*mac_node), GFP_ATOMIC);
+ if (!mac_node) {
+ spin_unlock_bh(&vport->mac_list_lock);
+ return -ENOMEM;
+ }
+
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
+
+ mac_node->state = state;
+ ether_addr_copy(mac_node->mac_addr, addr);
+ list_add_tail(&mac_node->node, list);
+
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ return 0;
}
static int hclge_add_uc_addr(struct hnae3_handle *handle,
@@ -7232,7 +7396,8 @@ static int hclge_add_uc_addr(struct hnae3_handle *handle,
{
struct hclge_vport *vport = hclge_get_vport(handle);
- return hclge_add_uc_addr_common(vport, addr);
+ return hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD, HCLGE_MAC_ADDR_UC,
+ addr);
}
int hclge_add_uc_addr_common(struct hclge_vport *vport,
@@ -7271,15 +7436,19 @@ int hclge_add_uc_addr_common(struct hclge_vport *vport,
*/
ret = hclge_lookup_mac_vlan_tbl(vport, &req, &desc, false);
if (ret == -ENOENT) {
- if (!hclge_is_umv_space_full(vport)) {
+ mutex_lock(&hdev->vport_lock);
+ if (!hclge_is_umv_space_full(vport, false)) {
ret = hclge_add_mac_vlan_tbl(vport, &req, NULL);
if (!ret)
hclge_update_umv_space(vport, false);
+ mutex_unlock(&hdev->vport_lock);
return ret;
}
+ mutex_unlock(&hdev->vport_lock);
- dev_err(&hdev->pdev->dev, "UC MAC table full(%u)\n",
- hdev->priv_umv_size);
+ if (!(vport->overflow_promisc_flags & HNAE3_OVERFLOW_UPE))
+ dev_err(&hdev->pdev->dev, "UC MAC table full(%u)\n",
+ hdev->priv_umv_size);
return -ENOSPC;
}
@@ -7303,7 +7472,8 @@ static int hclge_rm_uc_addr(struct hnae3_handle *handle,
{
struct hclge_vport *vport = hclge_get_vport(handle);
- return hclge_rm_uc_addr_common(vport, addr);
+ return hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL, HCLGE_MAC_ADDR_UC,
+ addr);
}
int hclge_rm_uc_addr_common(struct hclge_vport *vport,
@@ -7326,8 +7496,13 @@ int hclge_rm_uc_addr_common(struct hclge_vport *vport,
hnae3_set_bit(req.entry_type, HCLGE_MAC_VLAN_BIT0_EN_B, 0);
hclge_prepare_mac_addr(&req, addr, false);
ret = hclge_remove_mac_vlan_tbl(vport, &req);
- if (!ret)
+ if (!ret) {
+ mutex_lock(&hdev->vport_lock);
hclge_update_umv_space(vport, true);
+ mutex_unlock(&hdev->vport_lock);
+ } else if (ret == -ENOENT) {
+ ret = 0;
+ }
return ret;
}
@@ -7337,7 +7512,8 @@ static int hclge_add_mc_addr(struct hnae3_handle *handle,
{
struct hclge_vport *vport = hclge_get_vport(handle);
- return hclge_add_mc_addr_common(vport, addr);
+ return hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD, HCLGE_MAC_ADDR_MC,
+ addr);
}
int hclge_add_mc_addr_common(struct hclge_vport *vport,
@@ -7369,7 +7545,9 @@ int hclge_add_mc_addr_common(struct hclge_vport *vport,
return status;
status = hclge_add_mac_vlan_tbl(vport, &req, desc);
- if (status == -ENOSPC)
+ /* if already overflow, not to print each time */
+ if (status == -ENOSPC &&
+ !(vport->overflow_promisc_flags & HNAE3_OVERFLOW_MPE))
dev_err(&hdev->pdev->dev, "mc mac vlan table is full\n");
return status;
@@ -7380,7 +7558,8 @@ static int hclge_rm_mc_addr(struct hnae3_handle *handle,
{
struct hclge_vport *vport = hclge_get_vport(handle);
- return hclge_rm_mc_addr_common(vport, addr);
+ return hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL, HCLGE_MAC_ADDR_MC,
+ addr);
}
int hclge_rm_mc_addr_common(struct hclge_vport *vport,
@@ -7415,111 +7594,354 @@ int hclge_rm_mc_addr_common(struct hclge_vport *vport,
/* Not all the vfid is zero, update the vfid */
status = hclge_add_mac_vlan_tbl(vport, &req, desc);
- } else {
- /* Maybe this mac address is in mta table, but it cannot be
- * deleted here because an entry of mta represents an address
- * range rather than a specific address. the delete action to
- * all entries will take effect in update_mta_status called by
- * hns3_nic_set_rx_mode.
- */
+ } else if (status == -ENOENT) {
status = 0;
}
return status;
}
-void hclge_add_vport_mac_table(struct hclge_vport *vport, const u8 *mac_addr,
- enum HCLGE_MAC_ADDR_TYPE mac_type)
+static void hclge_sync_vport_mac_list(struct hclge_vport *vport,
+ struct list_head *list,
+ int (*sync)(struct hclge_vport *,
+ const unsigned char *))
{
- struct hclge_vport_mac_addr_cfg *mac_cfg;
- struct list_head *list;
+ struct hclge_mac_node *mac_node, *tmp;
+ int ret;
- if (!vport->vport_id)
- return;
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ ret = sync(vport, mac_node->mac_addr);
+ if (!ret) {
+ mac_node->state = HCLGE_MAC_ACTIVE;
+ } else {
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE,
+ &vport->state);
+ break;
+ }
+ }
+}
- mac_cfg = kzalloc(sizeof(*mac_cfg), GFP_KERNEL);
- if (!mac_cfg)
- return;
+static void hclge_unsync_vport_mac_list(struct hclge_vport *vport,
+ struct list_head *list,
+ int (*unsync)(struct hclge_vport *,
+ const unsigned char *))
+{
+ struct hclge_mac_node *mac_node, *tmp;
+ int ret;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ ret = unsync(vport, mac_node->mac_addr);
+ if (!ret || ret == -ENOENT) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE,
+ &vport->state);
+ break;
+ }
+ }
+}
- mac_cfg->hd_tbl_status = true;
- memcpy(mac_cfg->mac_addr, mac_addr, ETH_ALEN);
+static bool hclge_sync_from_add_list(struct list_head *add_list,
+ struct list_head *mac_list)
+{
+ struct hclge_mac_node *mac_node, *tmp, *new_node;
+ bool all_added = true;
- list = (mac_type == HCLGE_MAC_ADDR_UC) ?
- &vport->uc_mac_list : &vport->mc_mac_list;
+ list_for_each_entry_safe(mac_node, tmp, add_list, node) {
+ if (mac_node->state == HCLGE_MAC_TO_ADD)
+ all_added = false;
- list_add_tail(&mac_cfg->node, list);
+ /* if the mac address from tmp_add_list is not in the
+ * uc/mc_mac_list, it means have received a TO_DEL request
+ * during the time window of adding the mac address into mac
+ * table. if mac_node state is ACTIVE, then change it to TO_DEL,
+ * then it will be removed at next time. else it must be TO_ADD,
+ * this address hasn't been added into mac table,
+ * so just remove the mac node.
+ */
+ new_node = hclge_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ hclge_update_mac_node(new_node, mac_node->state);
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else if (mac_node->state == HCLGE_MAC_ACTIVE) {
+ mac_node->state = HCLGE_MAC_TO_DEL;
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, mac_list);
+ } else {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+ }
+
+ return all_added;
}
-void hclge_rm_vport_mac_table(struct hclge_vport *vport, const u8 *mac_addr,
- bool is_write_tbl,
- enum HCLGE_MAC_ADDR_TYPE mac_type)
+static void hclge_sync_from_del_list(struct list_head *del_list,
+ struct list_head *mac_list)
{
- struct hclge_vport_mac_addr_cfg *mac_cfg, *tmp;
- struct list_head *list;
- bool uc_flag, mc_flag;
+ struct hclge_mac_node *mac_node, *tmp, *new_node;
- list = (mac_type == HCLGE_MAC_ADDR_UC) ?
- &vport->uc_mac_list : &vport->mc_mac_list;
+ list_for_each_entry_safe(mac_node, tmp, del_list, node) {
+ new_node = hclge_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ /* If the mac addr exists in the mac list, it means
+ * received a new TO_ADD request during the time window
+ * of configuring the mac address. For the mac node
+ * state is TO_ADD, and the address is already in the
+ * in the hardware(due to delete fail), so we just need
+ * to change the mac node state to ACTIVE.
+ */
+ new_node->state = HCLGE_MAC_ACTIVE;
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, mac_list);
+ }
+ }
+}
- uc_flag = is_write_tbl && mac_type == HCLGE_MAC_ADDR_UC;
- mc_flag = is_write_tbl && mac_type == HCLGE_MAC_ADDR_MC;
+static void hclge_update_overflow_flags(struct hclge_vport *vport,
+ enum HCLGE_MAC_ADDR_TYPE mac_type,
+ bool is_all_added)
+{
+ if (mac_type == HCLGE_MAC_ADDR_UC) {
+ if (is_all_added)
+ vport->overflow_promisc_flags &= ~HNAE3_OVERFLOW_UPE;
+ else
+ vport->overflow_promisc_flags |= HNAE3_OVERFLOW_UPE;
+ } else {
+ if (is_all_added)
+ vport->overflow_promisc_flags &= ~HNAE3_OVERFLOW_MPE;
+ else
+ vport->overflow_promisc_flags |= HNAE3_OVERFLOW_MPE;
+ }
+}
- list_for_each_entry_safe(mac_cfg, tmp, list, node) {
- if (ether_addr_equal(mac_cfg->mac_addr, mac_addr)) {
- if (uc_flag && mac_cfg->hd_tbl_status)
- hclge_rm_uc_addr_common(vport, mac_addr);
+static void hclge_sync_vport_mac_table(struct hclge_vport *vport,
+ enum HCLGE_MAC_ADDR_TYPE mac_type)
+{
+ struct hclge_mac_node *mac_node, *tmp, *new_node;
+ struct list_head tmp_add_list, tmp_del_list;
+ struct list_head *list;
+ bool all_added;
- if (mc_flag && mac_cfg->hd_tbl_status)
- hclge_rm_mc_addr_common(vport, mac_addr);
+ INIT_LIST_HEAD(&tmp_add_list);
+ INIT_LIST_HEAD(&tmp_del_list);
- list_del(&mac_cfg->node);
- kfree(mac_cfg);
+ /* move the mac addr to the tmp_add_list and tmp_del_list, then
+ * we can add/delete these mac addr outside the spin lock
+ */
+ list = (mac_type == HCLGE_MAC_ADDR_UC) ?
+ &vport->uc_mac_list : &vport->mc_mac_list;
+
+ spin_lock_bh(&vport->mac_list_lock);
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ switch (mac_node->state) {
+ case HCLGE_MAC_TO_DEL:
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, &tmp_del_list);
+ break;
+ case HCLGE_MAC_TO_ADD:
+ new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
+ if (!new_node)
+ goto stop_traverse;
+ ether_addr_copy(new_node->mac_addr, mac_node->mac_addr);
+ new_node->state = mac_node->state;
+ list_add_tail(&new_node->node, &tmp_add_list);
+ break;
+ default:
break;
}
}
+
+stop_traverse:
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ /* delete first, in order to get max mac table space for adding */
+ if (mac_type == HCLGE_MAC_ADDR_UC) {
+ hclge_unsync_vport_mac_list(vport, &tmp_del_list,
+ hclge_rm_uc_addr_common);
+ hclge_sync_vport_mac_list(vport, &tmp_add_list,
+ hclge_add_uc_addr_common);
+ } else {
+ hclge_unsync_vport_mac_list(vport, &tmp_del_list,
+ hclge_rm_mc_addr_common);
+ hclge_sync_vport_mac_list(vport, &tmp_add_list,
+ hclge_add_mc_addr_common);
+ }
+
+ /* if some mac addresses were added/deleted fail, move back to the
+ * mac_list, and retry at next time.
+ */
+ spin_lock_bh(&vport->mac_list_lock);
+
+ hclge_sync_from_del_list(&tmp_del_list, list);
+ all_added = hclge_sync_from_add_list(&tmp_add_list, list);
+
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ hclge_update_overflow_flags(vport, mac_type, all_added);
+}
+
+static bool hclge_need_sync_mac_table(struct hclge_vport *vport)
+{
+ struct hclge_dev *hdev = vport->back;
+
+ if (test_bit(vport->vport_id, hdev->vport_config_block))
+ return false;
+
+ if (test_and_clear_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state))
+ return true;
+
+ return false;
+}
+
+static void hclge_sync_mac_table(struct hclge_dev *hdev)
+{
+ int i;
+
+ for (i = 0; i < hdev->num_alloc_vport; i++) {
+ struct hclge_vport *vport = &hdev->vport[i];
+
+ if (!hclge_need_sync_mac_table(vport))
+ continue;
+
+ hclge_sync_vport_mac_table(vport, HCLGE_MAC_ADDR_UC);
+ hclge_sync_vport_mac_table(vport, HCLGE_MAC_ADDR_MC);
+ }
}
void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list,
enum HCLGE_MAC_ADDR_TYPE mac_type)
{
- struct hclge_vport_mac_addr_cfg *mac_cfg, *tmp;
- struct list_head *list;
+ int (*unsync)(struct hclge_vport *vport, const unsigned char *addr);
+ struct hclge_mac_node *mac_cfg, *tmp;
+ struct hclge_dev *hdev = vport->back;
+ struct list_head tmp_del_list, *list;
+ int ret;
- list = (mac_type == HCLGE_MAC_ADDR_UC) ?
- &vport->uc_mac_list : &vport->mc_mac_list;
+ if (mac_type == HCLGE_MAC_ADDR_UC) {
+ list = &vport->uc_mac_list;
+ unsync = hclge_rm_uc_addr_common;
+ } else {
+ list = &vport->mc_mac_list;
+ unsync = hclge_rm_mc_addr_common;
+ }
- list_for_each_entry_safe(mac_cfg, tmp, list, node) {
- if (mac_type == HCLGE_MAC_ADDR_UC && mac_cfg->hd_tbl_status)
- hclge_rm_uc_addr_common(vport, mac_cfg->mac_addr);
+ INIT_LIST_HEAD(&tmp_del_list);
- if (mac_type == HCLGE_MAC_ADDR_MC && mac_cfg->hd_tbl_status)
- hclge_rm_mc_addr_common(vport, mac_cfg->mac_addr);
+ if (!is_del_list)
+ set_bit(vport->vport_id, hdev->vport_config_block);
- mac_cfg->hd_tbl_status = false;
- if (is_del_list) {
+ spin_lock_bh(&vport->mac_list_lock);
+
+ list_for_each_entry_safe(mac_cfg, tmp, list, node) {
+ switch (mac_cfg->state) {
+ case HCLGE_MAC_TO_DEL:
+ case HCLGE_MAC_ACTIVE:
list_del(&mac_cfg->node);
- kfree(mac_cfg);
+ list_add_tail(&mac_cfg->node, &tmp_del_list);
+ break;
+ case HCLGE_MAC_TO_ADD:
+ if (is_del_list) {
+ list_del(&mac_cfg->node);
+ kfree(mac_cfg);
+ }
+ break;
+ }
+ }
+
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ list_for_each_entry_safe(mac_cfg, tmp, &tmp_del_list, node) {
+ ret = unsync(vport, mac_cfg->mac_addr);
+ if (!ret || ret == -ENOENT) {
+ /* clear all mac addr from hardware, but remain these
+ * mac addr in the mac list, and restore them after
+ * vf reset finished.
+ */
+ if (!is_del_list &&
+ mac_cfg->state == HCLGE_MAC_ACTIVE) {
+ mac_cfg->state = HCLGE_MAC_TO_ADD;
+ } else {
+ list_del(&mac_cfg->node);
+ kfree(mac_cfg);
+ }
+ } else if (is_del_list) {
+ mac_cfg->state = HCLGE_MAC_TO_DEL;
+ }
+ }
+
+ spin_lock_bh(&vport->mac_list_lock);
+
+ hclge_sync_from_del_list(&tmp_del_list, list);
+
+ spin_unlock_bh(&vport->mac_list_lock);
+}
+
+/* remove all mac address when uninitailize */
+static void hclge_uninit_vport_mac_list(struct hclge_vport *vport,
+ enum HCLGE_MAC_ADDR_TYPE mac_type)
+{
+ struct hclge_mac_node *mac_node, *tmp;
+ struct hclge_dev *hdev = vport->back;
+ struct list_head tmp_del_list, *list;
+
+ INIT_LIST_HEAD(&tmp_del_list);
+
+ list = (mac_type == HCLGE_MAC_ADDR_UC) ?
+ &vport->uc_mac_list : &vport->mc_mac_list;
+
+ spin_lock_bh(&vport->mac_list_lock);
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ switch (mac_node->state) {
+ case HCLGE_MAC_TO_DEL:
+ case HCLGE_MAC_ACTIVE:
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, &tmp_del_list);
+ break;
+ case HCLGE_MAC_TO_ADD:
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ break;
}
}
+
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ if (mac_type == HCLGE_MAC_ADDR_UC)
+ hclge_unsync_vport_mac_list(vport, &tmp_del_list,
+ hclge_rm_uc_addr_common);
+ else
+ hclge_unsync_vport_mac_list(vport, &tmp_del_list,
+ hclge_rm_mc_addr_common);
+
+ if (!list_empty(&tmp_del_list))
+ dev_warn(&hdev->pdev->dev,
+ "uninit %s mac list for vport %u not completely.\n",
+ mac_type == HCLGE_MAC_ADDR_UC ? "uc" : "mc",
+ vport->vport_id);
+
+ list_for_each_entry_safe(mac_node, tmp, &tmp_del_list, node) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
}
-void hclge_uninit_vport_mac_table(struct hclge_dev *hdev)
+static void hclge_uninit_mac_table(struct hclge_dev *hdev)
{
- struct hclge_vport_mac_addr_cfg *mac, *tmp;
struct hclge_vport *vport;
int i;
for (i = 0; i < hdev->num_alloc_vport; i++) {
vport = &hdev->vport[i];
- list_for_each_entry_safe(mac, tmp, &vport->uc_mac_list, node) {
- list_del(&mac->node);
- kfree(mac);
- }
-
- list_for_each_entry_safe(mac, tmp, &vport->mc_mac_list, node) {
- list_del(&mac->node);
- kfree(mac);
- }
+ hclge_uninit_vport_mac_list(vport, HCLGE_MAC_ADDR_UC);
+ hclge_uninit_vport_mac_list(vport, HCLGE_MAC_ADDR_MC);
}
}
@@ -7683,12 +8105,57 @@ static void hclge_get_mac_addr(struct hnae3_handle *handle, u8 *p)
ether_addr_copy(p, hdev->hw.mac.mac_addr);
}
+int hclge_update_mac_node_for_dev_addr(struct hclge_vport *vport,
+ const u8 *old_addr, const u8 *new_addr)
+{
+ struct list_head *list = &vport->uc_mac_list;
+ struct hclge_mac_node *old_node, *new_node;
+
+ new_node = hclge_find_mac_node(list, new_addr);
+ if (!new_node) {
+ new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
+ if (!new_node)
+ return -ENOMEM;
+
+ new_node->state = HCLGE_MAC_TO_ADD;
+ ether_addr_copy(new_node->mac_addr, new_addr);
+ list_add(&new_node->node, list);
+ } else {
+ if (new_node->state == HCLGE_MAC_TO_DEL)
+ new_node->state = HCLGE_MAC_ACTIVE;
+
+ /* make sure the new addr is in the list head, avoid dev
+ * addr may be not re-added into mac table for the umv space
+ * limitation after global/imp reset which will clear mac
+ * table by hardware.
+ */
+ list_move(&new_node->node, list);
+ }
+
+ if (old_addr && !ether_addr_equal(old_addr, new_addr)) {
+ old_node = hclge_find_mac_node(list, old_addr);
+ if (old_node) {
+ if (old_node->state == HCLGE_MAC_TO_ADD) {
+ list_del(&old_node->node);
+ kfree(old_node);
+ } else {
+ old_node->state = HCLGE_MAC_TO_DEL;
+ }
+ }
+ }
+
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
+
+ return 0;
+}
+
static int hclge_set_mac_addr(struct hnae3_handle *handle, void *p,
bool is_first)
{
const unsigned char *new_addr = (const unsigned char *)p;
struct hclge_vport *vport = hclge_get_vport(handle);
struct hclge_dev *hdev = vport->back;
+ unsigned char *old_addr = NULL;
int ret;
/* mac addr check */
@@ -7696,39 +8163,42 @@ static int hclge_set_mac_addr(struct hnae3_handle *handle, void *p,
is_broadcast_ether_addr(new_addr) ||
is_multicast_ether_addr(new_addr)) {
dev_err(&hdev->pdev->dev,
- "Change uc mac err! invalid mac:%pM.\n",
+ "change uc mac err! invalid mac: %pM.\n",
new_addr);
return -EINVAL;
}
- if ((!is_first || is_kdump_kernel()) &&
- hclge_rm_uc_addr(handle, hdev->hw.mac.mac_addr))
- dev_warn(&hdev->pdev->dev,
- "remove old uc mac address fail.\n");
-
- ret = hclge_add_uc_addr(handle, new_addr);
+ ret = hclge_pause_addr_cfg(hdev, new_addr);
if (ret) {
dev_err(&hdev->pdev->dev,
- "add uc mac address fail, ret =%d.\n",
+ "failed to configure mac pause address, ret = %d\n",
ret);
-
- if (!is_first &&
- hclge_add_uc_addr(handle, hdev->hw.mac.mac_addr))
- dev_err(&hdev->pdev->dev,
- "restore uc mac address fail.\n");
-
- return -EIO;
+ return ret;
}
- ret = hclge_pause_addr_cfg(hdev, new_addr);
+ if (!is_first)
+ old_addr = hdev->hw.mac.mac_addr;
+
+ spin_lock_bh(&vport->mac_list_lock);
+ ret = hclge_update_mac_node_for_dev_addr(vport, old_addr, new_addr);
if (ret) {
dev_err(&hdev->pdev->dev,
- "configure mac pause address fail, ret =%d.\n",
- ret);
- return -EIO;
- }
+ "failed to change the mac addr:%pM, ret = %d\n",
+ new_addr, ret);
+ spin_unlock_bh(&vport->mac_list_lock);
+ if (!is_first)
+ hclge_pause_addr_cfg(hdev, old_addr);
+
+ return ret;
+ }
+ /* we must update dev addr with spin lock protect, preventing dev addr
+ * being removed by set_rx_mode path.
+ */
ether_addr_copy(hdev->hw.mac.mac_addr, new_addr);
+ spin_unlock_bh(&vport->mac_list_lock);
+
+ hclge_task_schedule(hdev, 0);
return 0;
}
@@ -8308,42 +8778,80 @@ void hclge_uninit_vport_vlan_table(struct hclge_dev *hdev)
}
}
-static void hclge_restore_vlan_table(struct hnae3_handle *handle)
+void hclge_restore_vport_vlan_table(struct hclge_vport *vport)
{
- struct hclge_vport *vport = hclge_get_vport(handle);
struct hclge_vport_vlan_cfg *vlan, *tmp;
struct hclge_dev *hdev = vport->back;
u16 vlan_proto;
- u16 state, vlan_id;
- int i;
+ u16 vlan_id;
+ u16 state;
+ int ret;
- for (i = 0; i < hdev->num_alloc_vport; i++) {
- vport = &hdev->vport[i];
- vlan_proto = vport->port_base_vlan_cfg.vlan_info.vlan_proto;
- vlan_id = vport->port_base_vlan_cfg.vlan_info.vlan_tag;
- state = vport->port_base_vlan_cfg.state;
+ vlan_proto = vport->port_base_vlan_cfg.vlan_info.vlan_proto;
+ vlan_id = vport->port_base_vlan_cfg.vlan_info.vlan_tag;
+ state = vport->port_base_vlan_cfg.state;
- if (state != HNAE3_PORT_BASE_VLAN_DISABLE) {
- hclge_set_vlan_filter_hw(hdev, htons(vlan_proto),
- vport->vport_id, vlan_id,
- false);
- continue;
- }
+ if (state != HNAE3_PORT_BASE_VLAN_DISABLE) {
+ clear_bit(vport->vport_id, hdev->vlan_table[vlan_id]);
+ hclge_set_vlan_filter_hw(hdev, htons(vlan_proto),
+ vport->vport_id, vlan_id,
+ false);
+ return;
+ }
- list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
- int ret;
+ list_for_each_entry_safe(vlan, tmp, &vport->vlan_list, node) {
+ ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
+ vport->vport_id,
+ vlan->vlan_id, false);
+ if (ret)
+ break;
+ vlan->hd_tbl_status = true;
+ }
+}
- if (!vlan->hd_tbl_status)
- continue;
- ret = hclge_set_vlan_filter_hw(hdev, htons(ETH_P_8021Q),
- vport->vport_id,
- vlan->vlan_id, false);
- if (ret)
- break;
+/* For global reset and imp reset, hardware will clear the mac table,
+ * so we change the mac address state from ACTIVE to TO_ADD, then they
+ * can be restored in the service task after reset complete. Furtherly,
+ * the mac addresses with state TO_DEL or DEL_FAIL are unnecessary to
+ * be restored after reset, so just remove these mac nodes from mac_list.
+ */
+static void hclge_mac_node_convert_for_reset(struct list_head *list)
+{
+ struct hclge_mac_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ if (mac_node->state == HCLGE_MAC_ACTIVE) {
+ mac_node->state = HCLGE_MAC_TO_ADD;
+ } else if (mac_node->state == HCLGE_MAC_TO_DEL) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
}
}
}
+void hclge_restore_mac_table_common(struct hclge_vport *vport)
+{
+ spin_lock_bh(&vport->mac_list_lock);
+
+ hclge_mac_node_convert_for_reset(&vport->uc_mac_list);
+ hclge_mac_node_convert_for_reset(&vport->mc_mac_list);
+ set_bit(HCLGE_VPORT_STATE_MAC_TBL_CHANGE, &vport->state);
+
+ spin_unlock_bh(&vport->mac_list_lock);
+}
+
+static void hclge_restore_hw_table(struct hclge_dev *hdev)
+{
+ struct hclge_vport *vport = &hdev->vport[0];
+ struct hnae3_handle *handle = &vport->nic;
+
+ hclge_restore_mac_table_common(vport);
+ hclge_restore_vport_vlan_table(vport);
+ set_bit(HCLGE_STATE_PROMISC_CHANGED, &hdev->state);
+
+ hclge_restore_fd_entries(handle);
+}
+
int hclge_en_hw_strip_rxvtag(struct hnae3_handle *handle, bool enable)
{
struct hclge_vport *vport = hclge_get_vport(handle);
@@ -9412,10 +9920,8 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
int ret;
hdev = devm_kzalloc(&pdev->dev, sizeof(*hdev), GFP_KERNEL);
- if (!hdev) {
- ret = -ENOMEM;
- goto out;
- }
+ if (!hdev)
+ return -ENOMEM;
hdev->pdev = pdev;
hdev->ae_dev = ae_dev;
@@ -9594,6 +10100,7 @@ err_pci_uninit:
pci_release_regions(pdev);
pci_disable_device(pdev);
out:
+ mutex_destroy(&hdev->vport_lock);
return ret;
}
@@ -9658,7 +10165,7 @@ static int hclge_set_vf_spoofchk(struct hnae3_handle *handle, int vf,
dev_warn(&hdev->pdev->dev,
"vf %d vlan table is full, enable spoof check may cause its packet send fail\n",
vf);
- else if (enable && hclge_is_umv_space_full(vport))
+ else if (enable && hclge_is_umv_space_full(vport, true))
dev_warn(&hdev->pdev->dev,
"vf %d mac table is full, enable spoof check may cause its packet send fail\n",
vf);
@@ -9835,8 +10342,16 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
set_bit(HCLGE_STATE_DOWN, &hdev->state);
hclge_stats_clear(hdev);
- memset(hdev->vlan_table, 0, sizeof(hdev->vlan_table));
- memset(hdev->vf_vlan_full, 0, sizeof(hdev->vf_vlan_full));
+ /* NOTE: pf reset needn't to clear or restore pf and vf table entry.
+ * so here should not clean table in memory.
+ */
+ if (hdev->reset_type == HNAE3_IMP_RESET ||
+ hdev->reset_type == HNAE3_GLOBAL_RESET) {
+ memset(hdev->vlan_table, 0, sizeof(hdev->vlan_table));
+ memset(hdev->vf_vlan_full, 0, sizeof(hdev->vf_vlan_full));
+ bitmap_set(hdev->vport_config_block, 0, hdev->num_alloc_vport);
+ hclge_reset_umv_space(hdev);
+ }
ret = hclge_cmd_init(hdev);
if (ret) {
@@ -9850,8 +10365,6 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
return ret;
}
- hclge_reset_umv_space(hdev);
-
ret = hclge_mac_init(hdev);
if (ret) {
dev_err(&pdev->dev, "Mac init error, ret = %d\n", ret);
@@ -9947,12 +10460,11 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
hclge_clear_vf_vlan(hdev);
hclge_misc_affinity_teardown(hdev);
hclge_state_uninit(hdev);
+ hclge_uninit_mac_table(hdev);
if (mac->phydev)
mdiobus_unregister(mac->mdio_bus);
- hclge_uninit_umv_space(hdev);
-
/* Disable MISC vector(vector0) */
hclge_enable_vector(&hdev->misc_vector, false);
synchronize_irq(hdev->misc_vector.vector_irq);
@@ -9966,7 +10478,6 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
hclge_misc_irq_uninit(hdev);
hclge_pci_uninit(hdev);
mutex_destroy(&hdev->vport_lock);
- hclge_uninit_vport_mac_table(hdev);
hclge_uninit_vport_vlan_table(hdev);
ae_dev->priv = NULL;
}
@@ -10213,16 +10724,19 @@ static int hclge_get_64_bit_regs(struct hclge_dev *hdev, u32 regs_num,
int hclge_query_bd_num_cmd_send(struct hclge_dev *hdev, struct hclge_desc *desc)
{
- /*prepare 4 commands to query DFX BD number*/
- hclge_cmd_setup_basic_desc(&desc[0], HCLGE_OPC_DFX_BD_NUM, true);
- desc[0].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
- hclge_cmd_setup_basic_desc(&desc[1], HCLGE_OPC_DFX_BD_NUM, true);
- desc[1].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
- hclge_cmd_setup_basic_desc(&desc[2], HCLGE_OPC_DFX_BD_NUM, true);
- desc[2].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
- hclge_cmd_setup_basic_desc(&desc[3], HCLGE_OPC_DFX_BD_NUM, true);
+ int i;
- return hclge_cmd_send(&hdev->hw, desc, 4);
+ /* initialize command BD except the last one */
+ for (i = 0; i < HCLGE_GET_DFX_REG_TYPE_CNT - 1; i++) {
+ hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_DFX_BD_NUM,
+ true);
+ desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
+ }
+
+ /* initialize the last command BD */
+ hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_DFX_BD_NUM, true);
+
+ return hclge_cmd_send(&hdev->hw, desc, HCLGE_GET_DFX_REG_TYPE_CNT);
}
static int hclge_get_dfx_reg_bd_num(struct hclge_dev *hdev,
@@ -10576,6 +11090,131 @@ static int hclge_gro_en(struct hnae3_handle *handle, bool enable)
return hclge_config_gro(hdev, enable);
}
+static void hclge_sync_promisc_mode(struct hclge_dev *hdev)
+{
+ struct hclge_vport *vport = &hdev->vport[0];
+ struct hnae3_handle *handle = &vport->nic;
+ u8 tmp_flags = 0;
+ int ret;
+
+ if (vport->last_promisc_flags != vport->overflow_promisc_flags) {
+ set_bit(HCLGE_STATE_PROMISC_CHANGED, &hdev->state);
+ vport->last_promisc_flags = vport->overflow_promisc_flags;
+ }
+
+ if (test_bit(HCLGE_STATE_PROMISC_CHANGED, &hdev->state)) {
+ tmp_flags = handle->netdev_flags | vport->last_promisc_flags;
+ ret = hclge_set_promisc_mode(handle, tmp_flags & HNAE3_UPE,
+ tmp_flags & HNAE3_MPE);
+ if (!ret) {
+ clear_bit(HCLGE_STATE_PROMISC_CHANGED, &hdev->state);
+ hclge_enable_vlan_filter(handle,
+ tmp_flags & HNAE3_VLAN_FLTR);
+ }
+ }
+}
+
+static bool hclge_module_existed(struct hclge_dev *hdev)
+{
+ struct hclge_desc desc;
+ u32 existed;
+ int ret;
+
+ hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_GET_SFP_EXIST, true);
+ ret = hclge_cmd_send(&hdev->hw, &desc, 1);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to get SFP exist state, ret = %d\n", ret);
+ return false;
+ }
+
+ existed = le32_to_cpu(desc.data[0]);
+
+ return existed != 0;
+}
+
+/* need 6 bds(total 140 bytes) in one reading
+ * return the number of bytes actually read, 0 means read failed.
+ */
+static u16 hclge_get_sfp_eeprom_info(struct hclge_dev *hdev, u32 offset,
+ u32 len, u8 *data)
+{
+ struct hclge_desc desc[HCLGE_SFP_INFO_CMD_NUM];
+ struct hclge_sfp_info_bd0_cmd *sfp_info_bd0;
+ u16 read_len;
+ u16 copy_len;
+ int ret;
+ int i;
+
+ /* setup all 6 bds to read module eeprom info. */
+ for (i = 0; i < HCLGE_SFP_INFO_CMD_NUM; i++) {
+ hclge_cmd_setup_basic_desc(&desc[i], HCLGE_OPC_GET_SFP_EEPROM,
+ true);
+
+ /* bd0~bd4 need next flag */
+ if (i < HCLGE_SFP_INFO_CMD_NUM - 1)
+ desc[i].flag |= cpu_to_le16(HCLGE_CMD_FLAG_NEXT);
+ }
+
+ /* setup bd0, this bd contains offset and read length. */
+ sfp_info_bd0 = (struct hclge_sfp_info_bd0_cmd *)desc[0].data;
+ sfp_info_bd0->offset = cpu_to_le16((u16)offset);
+ read_len = min_t(u16, len, HCLGE_SFP_INFO_MAX_LEN);
+ sfp_info_bd0->read_len = cpu_to_le16(read_len);
+
+ ret = hclge_cmd_send(&hdev->hw, desc, i);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to get SFP eeprom info, ret = %d\n", ret);
+ return 0;
+ }
+
+ /* copy sfp info from bd0 to out buffer. */
+ copy_len = min_t(u16, len, HCLGE_SFP_INFO_BD0_LEN);
+ memcpy(data, sfp_info_bd0->data, copy_len);
+ read_len = copy_len;
+
+ /* copy sfp info from bd1~bd5 to out buffer if needed. */
+ for (i = 1; i < HCLGE_SFP_INFO_CMD_NUM; i++) {
+ if (read_len >= len)
+ return read_len;
+
+ copy_len = min_t(u16, len - read_len, HCLGE_SFP_INFO_BDX_LEN);
+ memcpy(data + read_len, desc[i].data, copy_len);
+ read_len += copy_len;
+ }
+
+ return read_len;
+}
+
+static int hclge_get_module_eeprom(struct hnae3_handle *handle, u32 offset,
+ u32 len, u8 *data)
+{
+ struct hclge_vport *vport = hclge_get_vport(handle);
+ struct hclge_dev *hdev = vport->back;
+ u32 read_len = 0;
+ u16 data_len;
+
+ if (hdev->hw.mac.media_type != HNAE3_MEDIA_TYPE_FIBER)
+ return -EOPNOTSUPP;
+
+ if (!hclge_module_existed(hdev))
+ return -ENXIO;
+
+ while (read_len < len) {
+ data_len = hclge_get_sfp_eeprom_info(hdev,
+ offset + read_len,
+ len - read_len,
+ data + read_len);
+ if (!data_len)
+ return -EIO;
+
+ read_len += data_len;
+ }
+
+ return 0;
+}
+
static const struct hnae3_ae_ops hclge_ops = {
.init_ae_dev = hclge_init_ae_dev,
.uninit_ae_dev = hclge_uninit_ae_dev,
@@ -10588,6 +11227,7 @@ static const struct hnae3_ae_ops hclge_ops = {
.get_vector = hclge_get_vector,
.put_vector = hclge_put_vector,
.set_promisc_mode = hclge_set_promisc_mode,
+ .request_update_promisc_mode = hclge_request_update_promisc_mode,
.set_loopback = hclge_set_loopback,
.start = hclge_ae_start,
.stop = hclge_ae_stop,
@@ -10649,7 +11289,6 @@ static const struct hnae3_ae_ops hclge_ops = {
.get_fd_rule_cnt = hclge_get_fd_rule_cnt,
.get_fd_rule_info = hclge_get_fd_rule_info,
.get_fd_all_rules = hclge_get_all_rules,
- .restore_fd_rules = hclge_restore_fd_entries,
.enable_fd = hclge_enable_fd,
.add_arfs_entry = hclge_add_fd_entry_by_arfs,
.dbg_run_cmd = hclge_dbg_run_cmd,
@@ -10662,13 +11301,14 @@ static const struct hnae3_ae_ops hclge_ops = {
.set_timer_task = hclge_set_timer_task,
.mac_connect_phy = hclge_mac_connect_phy,
.mac_disconnect_phy = hclge_mac_disconnect_phy,
- .restore_vlan_table = hclge_restore_vlan_table,
.get_vf_config = hclge_get_vf_config,
.set_vf_link_state = hclge_set_vf_link_state,
.set_vf_spoofchk = hclge_set_vf_spoofchk,
.set_vf_trust = hclge_set_vf_trust,
.set_vf_rate = hclge_set_vf_rate,
.set_vf_mac = hclge_set_vf_mac,
+ .get_module_eeprom = hclge_get_module_eeprom,
+ .get_cmdq_stat = hclge_get_cmdq_stat,
};
static struct hnae3_ae_algo ae_algo = {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 71df23d5f1b4..46e6e0fef3ba 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -217,6 +217,7 @@ enum HCLGE_DEV_STATE {
HCLGE_STATE_STATISTICS_UPDATING,
HCLGE_STATE_CMD_DISABLE,
HCLGE_STATE_LINK_UPDATING,
+ HCLGE_STATE_PROMISC_CHANGED,
HCLGE_STATE_RST_FAIL,
HCLGE_STATE_MAX
};
@@ -580,7 +581,6 @@ struct hclge_fd_key_cfg {
struct hclge_fd_cfg {
u8 fd_mode;
u16 max_key_length; /* use bit as unit */
- u32 proto_support;
u32 rule_num[MAX_STAGE_NUM]; /* rule entry number */
u16 cnt_num[MAX_STAGE_NUM]; /* rule hit counter number */
struct hclge_fd_key_cfg key_cfg[MAX_STAGE_NUM];
@@ -631,9 +631,15 @@ struct hclge_fd_ad_data {
u16 rule_id;
};
-struct hclge_vport_mac_addr_cfg {
+enum HCLGE_MAC_NODE_STATE {
+ HCLGE_MAC_TO_ADD,
+ HCLGE_MAC_TO_DEL,
+ HCLGE_MAC_ACTIVE
+};
+
+struct hclge_mac_node {
struct list_head node;
- int hd_tbl_status;
+ enum HCLGE_MAC_NODE_STATE state;
u8 mac_addr[ETH_ALEN];
};
@@ -765,12 +771,6 @@ struct hclge_dev {
u16 num_roce_msi; /* Num of roce vectors for this PF */
int roce_base_vector;
- u16 pending_udp_bitmap;
-
- u16 rx_itr_default;
- u16 tx_itr_default;
-
- u16 adminq_work_limit; /* Num of admin receive queue desc to process */
unsigned long service_timer_period;
unsigned long service_timer_previous;
struct timer_list reset_timer;
@@ -806,6 +806,8 @@ struct hclge_dev {
unsigned long vlan_table[VLAN_N_VID][BITS_TO_LONGS(HCLGE_VPORT_NUM)];
unsigned long vf_vlan_full[BITS_TO_LONGS(HCLGE_VPORT_NUM)];
+ unsigned long vport_config_block[BITS_TO_LONGS(HCLGE_VPORT_NUM)];
+
struct hclge_fd_cfg fd_cfg;
struct hlist_head fd_rule_list;
spinlock_t fd_rule_lock; /* protect fd_rule_list and fd_bmap */
@@ -823,7 +825,6 @@ struct hclge_dev {
u16 priv_umv_size;
/* unicast mac vlan space shared by PF and its VFs */
u16 share_umv_size;
- struct mutex umv_mutex; /* protect share_umv_size */
DECLARE_KFIFO(mac_tnl_log, struct hclge_mac_tnl_stats,
HCLGE_MAC_TNL_LOG_SIZE);
@@ -867,6 +868,7 @@ struct hclge_rss_tuple_cfg {
enum HCLGE_VPORT_STATE {
HCLGE_VPORT_STATE_ALIVE,
+ HCLGE_VPORT_STATE_MAC_TBL_CHANGE,
HCLGE_VPORT_STATE_MAX
};
@@ -923,6 +925,10 @@ struct hclge_vport {
u32 mps; /* Max packet size */
struct hclge_vf_info vf_info;
+ u8 overflow_promisc_flags;
+ u8 last_promisc_flags;
+
+ spinlock_t mac_list_lock; /* protect mac address need to add/detele */
struct list_head uc_mac_list; /* Store VF unicast table */
struct list_head mc_mac_list; /* Store VF multicast table */
struct list_head vlan_list; /* Store VF vlan table */
@@ -978,16 +984,18 @@ int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf);
u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id);
int hclge_notify_client(struct hclge_dev *hdev,
enum hnae3_reset_notify_type type);
-void hclge_add_vport_mac_table(struct hclge_vport *vport, const u8 *mac_addr,
- enum HCLGE_MAC_ADDR_TYPE mac_type);
-void hclge_rm_vport_mac_table(struct hclge_vport *vport, const u8 *mac_addr,
- bool is_write_tbl,
- enum HCLGE_MAC_ADDR_TYPE mac_type);
+int hclge_update_mac_list(struct hclge_vport *vport,
+ enum HCLGE_MAC_NODE_STATE state,
+ enum HCLGE_MAC_ADDR_TYPE mac_type,
+ const unsigned char *addr);
+int hclge_update_mac_node_for_dev_addr(struct hclge_vport *vport,
+ const u8 *old_addr, const u8 *new_addr);
void hclge_rm_vport_all_mac_table(struct hclge_vport *vport, bool is_del_list,
enum HCLGE_MAC_ADDR_TYPE mac_type);
-void hclge_uninit_vport_mac_table(struct hclge_dev *hdev);
void hclge_rm_vport_all_vlan_table(struct hclge_vport *vport, bool is_del_list);
void hclge_uninit_vport_vlan_table(struct hclge_dev *hdev);
+void hclge_restore_mac_table_common(struct hclge_vport *vport);
+void hclge_restore_vport_vlan_table(struct hclge_vport *vport);
int hclge_update_port_base_vlan_cfg(struct hclge_vport *vport, u16 state,
struct hclge_vlan_info *vlan_info);
int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
index 7f24fcb4f96a..0874ae47cb03 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c
@@ -5,6 +5,9 @@
#include "hclge_mbx.h"
#include "hnae3.h"
+#define CREATE_TRACE_POINTS
+#include "hclge_trace.h"
+
static u16 hclge_errno_to_resp(int errno)
{
return abs(errno);
@@ -90,6 +93,8 @@ static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
memcpy(&resp_pf_to_vf->msg.vf_mbx_msg_code, msg, msg_len);
+ trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
+
status = hclge_cmd_send(&hdev->hw, &desc, 1);
if (status)
dev_err(&hdev->pdev->dev,
@@ -270,26 +275,17 @@ static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
if (!is_valid_ether_addr(mac_addr))
return -EINVAL;
- hclge_rm_uc_addr_common(vport, old_addr);
- status = hclge_add_uc_addr_common(vport, mac_addr);
- if (status) {
- hclge_add_uc_addr_common(vport, old_addr);
- } else {
- hclge_rm_vport_mac_table(vport, mac_addr,
- false, HCLGE_MAC_ADDR_UC);
- hclge_add_vport_mac_table(vport, mac_addr,
- HCLGE_MAC_ADDR_UC);
- }
+ spin_lock_bh(&vport->mac_list_lock);
+ status = hclge_update_mac_node_for_dev_addr(vport, old_addr,
+ mac_addr);
+ spin_unlock_bh(&vport->mac_list_lock);
+ hclge_task_schedule(hdev, 0);
} else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_ADD) {
- status = hclge_add_uc_addr_common(vport, mac_addr);
- if (!status)
- hclge_add_vport_mac_table(vport, mac_addr,
- HCLGE_MAC_ADDR_UC);
+ status = hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
+ HCLGE_MAC_ADDR_UC, mac_addr);
} else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
- status = hclge_rm_uc_addr_common(vport, mac_addr);
- if (!status)
- hclge_rm_vport_mac_table(vport, mac_addr,
- false, HCLGE_MAC_ADDR_UC);
+ status = hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
+ HCLGE_MAC_ADDR_UC, mac_addr);
} else {
dev_err(&hdev->pdev->dev,
"failed to set unicast mac addr, unknown subcode %u\n",
@@ -305,18 +301,13 @@ static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
{
const u8 *mac_addr = (const u8 *)(mbx_req->msg.data);
struct hclge_dev *hdev = vport->back;
- int status;
if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_ADD) {
- status = hclge_add_mc_addr_common(vport, mac_addr);
- if (!status)
- hclge_add_vport_mac_table(vport, mac_addr,
- HCLGE_MAC_ADDR_MC);
+ hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
+ HCLGE_MAC_ADDR_MC, mac_addr);
} else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
- status = hclge_rm_mc_addr_common(vport, mac_addr);
- if (!status)
- hclge_rm_vport_mac_table(vport, mac_addr,
- false, HCLGE_MAC_ADDR_MC);
+ hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
+ HCLGE_MAC_ADDR_MC, mac_addr);
} else {
dev_err(&hdev->pdev->dev,
"failed to set mcast mac addr, unknown subcode %u\n",
@@ -324,7 +315,7 @@ static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
return -EIO;
}
- return status;
+ return 0;
}
int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
@@ -638,6 +629,23 @@ static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
ae_dev->ops->reset_event(hdev->pdev, NULL);
}
+static void hclge_handle_vf_tbl(struct hclge_vport *vport,
+ struct hclge_mbx_vf_to_pf_cmd *mbx_req)
+{
+ struct hclge_dev *hdev = vport->back;
+ struct hclge_vf_vlan_cfg *msg_cmd;
+
+ msg_cmd = (struct hclge_vf_vlan_cfg *)&mbx_req->msg;
+ if (msg_cmd->subcode == HCLGE_MBX_VPORT_LIST_CLEAR) {
+ hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_UC);
+ hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_MC);
+ hclge_rm_vport_all_vlan_table(vport, true);
+ } else {
+ dev_warn(&hdev->pdev->dev, "Invalid cmd(%u)\n",
+ msg_cmd->subcode);
+ }
+}
+
void hclge_mbx_handler(struct hclge_dev *hdev)
{
struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
@@ -645,6 +653,7 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
struct hclge_mbx_vf_to_pf_cmd *req;
struct hclge_vport *vport;
struct hclge_desc *desc;
+ bool is_del = false;
unsigned int flag;
int ret = 0;
@@ -674,6 +683,8 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
vport = &hdev->vport[req->mbx_src_vfid];
+ trace_hclge_pf_mbx_get(hdev, req);
+
switch (req->msg.code) {
case HCLGE_MBX_MAP_RING_TO_VECTOR:
ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
@@ -731,7 +742,7 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
ret = hclge_get_link_info(vport, req);
if (ret)
dev_err(&hdev->pdev->dev,
- "PF fail(%d) to get link stat for VF\n",
+ "failed to inform link stat to VF, ret = %d\n",
ret);
break;
case HCLGE_MBX_QUEUE_RESET:
@@ -760,11 +771,12 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
break;
case HCLGE_MBX_GET_VF_FLR_STATUS:
case HCLGE_MBX_VF_UNINIT:
- hclge_rm_vport_all_mac_table(vport, true,
+ is_del = req->msg.code == HCLGE_MBX_VF_UNINIT;
+ hclge_rm_vport_all_mac_table(vport, is_del,
HCLGE_MAC_ADDR_UC);
- hclge_rm_vport_all_mac_table(vport, true,
+ hclge_rm_vport_all_mac_table(vport, is_del,
HCLGE_MAC_ADDR_MC);
- hclge_rm_vport_all_vlan_table(vport, true);
+ hclge_rm_vport_all_vlan_table(vport, is_del);
break;
case HCLGE_MBX_GET_MEDIA_TYPE:
hclge_get_vf_media_type(vport, &resp_msg);
@@ -778,6 +790,9 @@ void hclge_mbx_handler(struct hclge_dev *hdev)
case HCLGE_MBX_NCSI_ERROR:
hclge_handle_ncsi_error(hdev);
break;
+ case HCLGE_MBX_HANDLE_VF_TBL:
+ hclge_handle_vf_tbl(vport, req);
+ break;
default:
dev_err(&hdev->pdev->dev,
"un-supported mailbox message, code = %u\n",
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
index 696c5ae922e3..e89820702540 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c
@@ -155,7 +155,7 @@ int hclge_mac_mdio_config(struct hclge_dev *hdev)
ret = mdiobus_register(mdio_bus);
if (ret) {
dev_err(mdio_bus->parent,
- "Failed to register MDIO bus ret = %#x\n", ret);
+ "failed to register MDIO bus, ret = %d\n", ret);
return ret;
}
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h
new file mode 100644
index 000000000000..5b0b71bd6120
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2018-2020 Hisilicon Limited. */
+
+/* This must be outside ifdef _HCLGE_TRACE_H */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hns3
+
+#if !defined(_HCLGE_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _HCLGE_TRACE_H_
+
+#include <linux/tracepoint.h>
+
+#define PF_GET_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
+#define PF_SEND_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))
+
+TRACE_EVENT(hclge_pf_mbx_get,
+ TP_PROTO(
+ struct hclge_dev *hdev,
+ struct hclge_mbx_vf_to_pf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u8, code)
+ __field(u8, subcode)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
+ __array(u32, mbx_data, PF_GET_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->mbx_src_vfid;
+ __entry->code = req->msg.code;
+ __entry->subcode = req->msg.subcode;
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_vf_to_pf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u subcode:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code, __entry->subcode,
+ __print_array(__entry->mbx_data, PF_GET_MBX_LEN, sizeof(u32))
+ )
+);
+
+TRACE_EVENT(hclge_pf_mbx_send,
+ TP_PROTO(
+ struct hclge_dev *hdev,
+ struct hclge_mbx_pf_to_vf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u16, code)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
+ __array(u32, mbx_data, PF_SEND_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->dest_vfid;
+ __entry->code = req->msg.code;
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_pf_to_vf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code,
+ __print_array(__entry->mbx_data, PF_SEND_MBX_LEN, sizeof(u32))
+ )
+);
+
+#endif /* _HCLGE_TRACE_H_ */
+
+/* This must be outside ifdef _HCLGE_TRACE_H */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE hclge_trace
+#include <trace/define_trace.h>
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
index 53804d95ea90..2c26ea607a53 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/Makefile
@@ -4,6 +4,7 @@
#
ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
+ccflags-y += -I $(srctree)/$(src)
obj-$(CONFIG_HNS3_HCLGEVF) += hclgevf.o
hclgevf-objs = hclgevf_main.o hclgevf_cmd.o hclgevf_mbx.o
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
index f38d236ebf4f..fec65239a3c8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -11,9 +11,6 @@
#include "hclgevf_main.h"
#include "hnae3.h"
-#define hclgevf_is_csq(ring) ((ring)->flag & HCLGEVF_TYPE_CSQ)
-#define hclgevf_ring_to_dma_dir(ring) (hclgevf_is_csq(ring) ? \
- DMA_TO_DEVICE : DMA_FROM_DEVICE)
#define cmq_ring_to_dev(ring) (&(ring)->dev->pdev->dev)
static int hclgevf_ring_space(struct hclgevf_cmq_ring *ring)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
index f830eef02e5c..40d6e602ab51 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.h
@@ -161,8 +161,8 @@ struct hclgevf_query_res_cmd {
#define HCLGEVF_GRO_EN_B 0
struct hclgevf_cfg_gro_status_cmd {
- __le16 gro_en;
- u8 rsv[22];
+ u8 gro_en;
+ u8 rsv[23];
};
#define HCLGEVF_RSS_DEFAULT_OUTPORT_B 4
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index e02d427131ee..1b9578d0bd80 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -46,7 +46,7 @@ static const u32 cmdq_reg_addr_list[] = {HCLGEVF_CMDQ_TX_ADDR_L_REG,
HCLGEVF_CMDQ_RX_TAIL_REG,
HCLGEVF_CMDQ_RX_HEAD_REG,
HCLGEVF_VECTOR0_CMDQ_SRC_REG,
- HCLGEVF_CMDQ_INTR_STS_REG,
+ HCLGEVF_VECTOR0_CMDQ_STATE_REG,
HCLGEVF_CMDQ_INTR_EN_REG,
HCLGEVF_CMDQ_INTR_GEN_REG};
@@ -669,8 +669,8 @@ static int hclgevf_set_rss_tc_mode(struct hclgevf_dev *hdev, u16 rss_size)
u16 tc_size[HCLGEVF_MAX_TC_NUM];
struct hclgevf_desc desc;
u16 roundup_size;
- int status;
unsigned int i;
+ int status;
req = (struct hclgevf_rss_tc_mode_cmd *)desc.data;
@@ -1143,7 +1143,6 @@ static int hclgevf_cmd_set_promisc_mode(struct hclgevf_dev *hdev,
send_msg.en_mc = en_mc_pmc ? 1 : 0;
ret = hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
-
if (ret)
dev_err(&hdev->pdev->dev,
"Set promisc mode fail, status is %d.\n", ret);
@@ -1164,6 +1163,27 @@ static int hclgevf_set_promisc_mode(struct hnae3_handle *handle, bool en_uc_pmc,
en_bc_pmc);
}
+static void hclgevf_request_update_promisc_mode(struct hnae3_handle *handle)
+{
+ struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+
+ set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+}
+
+static void hclgevf_sync_promisc_mode(struct hclgevf_dev *hdev)
+{
+ struct hnae3_handle *handle = &hdev->nic;
+ bool en_uc_pmc = handle->netdev_flags & HNAE3_UPE;
+ bool en_mc_pmc = handle->netdev_flags & HNAE3_MPE;
+ int ret;
+
+ if (test_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state)) {
+ ret = hclgevf_set_promisc_mode(handle, en_uc_pmc, en_mc_pmc);
+ if (!ret)
+ clear_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+ }
+}
+
static int hclgevf_tqp_enable(struct hclgevf_dev *hdev, unsigned int tqp_id,
int stream_id, bool enable)
{
@@ -1245,10 +1265,12 @@ static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p,
int status;
hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_UNICAST, 0);
- send_msg.subcode = is_first ? HCLGE_MBX_MAC_VLAN_UC_ADD :
- HCLGE_MBX_MAC_VLAN_UC_MODIFY;
+ send_msg.subcode = HCLGE_MBX_MAC_VLAN_UC_MODIFY;
ether_addr_copy(send_msg.data, new_mac_addr);
- ether_addr_copy(&send_msg.data[ETH_ALEN], old_mac_addr);
+ if (is_first && !hdev->has_pf_mac)
+ eth_zero_addr(&send_msg.data[ETH_ALEN]);
+ else
+ ether_addr_copy(&send_msg.data[ETH_ALEN], old_mac_addr);
status = hclgevf_send_mbx_msg(hdev, &send_msg, true, NULL, 0);
if (!status)
ether_addr_copy(hdev->hw.mac.mac_addr, new_mac_addr);
@@ -1256,54 +1278,302 @@ static int hclgevf_set_mac_addr(struct hnae3_handle *handle, void *p,
return status;
}
-static int hclgevf_add_uc_addr(struct hnae3_handle *handle,
- const unsigned char *addr)
+static struct hclgevf_mac_addr_node *
+hclgevf_find_mac_node(struct list_head *list, const u8 *mac_addr)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node)
+ if (ether_addr_equal(mac_addr, mac_node->mac_addr))
+ return mac_node;
+
+ return NULL;
+}
+
+static void hclgevf_update_mac_node(struct hclgevf_mac_addr_node *mac_node,
+ enum HCLGEVF_MAC_NODE_STATE state)
+{
+ switch (state) {
+ /* from set_rx_mode or tmp_add_list */
+ case HCLGEVF_MAC_TO_ADD:
+ if (mac_node->state == HCLGEVF_MAC_TO_DEL)
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ break;
+ /* only from set_rx_mode */
+ case HCLGEVF_MAC_TO_DEL:
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ mac_node->state = HCLGEVF_MAC_TO_DEL;
+ }
+ break;
+ /* only from tmp_add_list, the mac_node->state won't be
+ * HCLGEVF_MAC_ACTIVE
+ */
+ case HCLGEVF_MAC_ACTIVE:
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ break;
+ }
+}
+
+static int hclgevf_update_mac_list(struct hnae3_handle *handle,
+ enum HCLGEVF_MAC_NODE_STATE state,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type,
+ const unsigned char *addr)
{
struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
- struct hclge_vf_to_pf_msg send_msg;
+ struct hclgevf_mac_addr_node *mac_node;
+ struct list_head *list;
- hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_UNICAST,
- HCLGE_MBX_MAC_VLAN_UC_ADD);
- ether_addr_copy(send_msg.data, addr);
- return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ list = (mac_type == HCLGEVF_MAC_ADDR_UC) ?
+ &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list;
+
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ /* if the mac addr is already in the mac list, no need to add a new
+ * one into it, just check the mac addr state, convert it to a new
+ * new state, or just remove it, or do nothing.
+ */
+ mac_node = hclgevf_find_mac_node(list, addr);
+ if (mac_node) {
+ hclgevf_update_mac_node(mac_node, state);
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return 0;
+ }
+ /* if this address is never added, unnecessary to delete */
+ if (state == HCLGEVF_MAC_TO_DEL) {
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return -ENOENT;
+ }
+
+ mac_node = kzalloc(sizeof(*mac_node), GFP_ATOMIC);
+ if (!mac_node) {
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return -ENOMEM;
+ }
+
+ mac_node->state = state;
+ ether_addr_copy(mac_node->mac_addr, addr);
+ list_add_tail(&mac_node->node, list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+ return 0;
+}
+
+static int hclgevf_add_uc_addr(struct hnae3_handle *handle,
+ const unsigned char *addr)
+{
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_ADDR_UC, addr);
}
static int hclgevf_rm_uc_addr(struct hnae3_handle *handle,
const unsigned char *addr)
{
- struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
- struct hclge_vf_to_pf_msg send_msg;
-
- hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_UNICAST,
- HCLGE_MBX_MAC_VLAN_UC_REMOVE);
- ether_addr_copy(send_msg.data, addr);
- return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ADDR_UC, addr);
}
static int hclgevf_add_mc_addr(struct hnae3_handle *handle,
const unsigned char *addr)
{
- struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
- struct hclge_vf_to_pf_msg send_msg;
-
- hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_MULTICAST,
- HCLGE_MBX_MAC_VLAN_MC_ADD);
- ether_addr_copy(send_msg.data, addr);
- return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_ADDR_MC, addr);
}
static int hclgevf_rm_mc_addr(struct hnae3_handle *handle,
const unsigned char *addr)
{
- struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);
+ return hclgevf_update_mac_list(handle, HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ADDR_MC, addr);
+}
+
+static int hclgevf_add_del_mac_addr(struct hclgevf_dev *hdev,
+ struct hclgevf_mac_addr_node *mac_node,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
struct hclge_vf_to_pf_msg send_msg;
+ u8 code, subcode;
+
+ if (mac_type == HCLGEVF_MAC_ADDR_UC) {
+ code = HCLGE_MBX_SET_UNICAST;
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ subcode = HCLGE_MBX_MAC_VLAN_UC_ADD;
+ else
+ subcode = HCLGE_MBX_MAC_VLAN_UC_REMOVE;
+ } else {
+ code = HCLGE_MBX_SET_MULTICAST;
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD)
+ subcode = HCLGE_MBX_MAC_VLAN_MC_ADD;
+ else
+ subcode = HCLGE_MBX_MAC_VLAN_MC_REMOVE;
+ }
- hclgevf_build_send_msg(&send_msg, HCLGE_MBX_SET_MULTICAST,
- HCLGE_MBX_MAC_VLAN_MC_REMOVE);
- ether_addr_copy(send_msg.data, addr);
+ hclgevf_build_send_msg(&send_msg, code, subcode);
+ ether_addr_copy(send_msg.data, mac_node->mac_addr);
return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
}
+static void hclgevf_config_mac_list(struct hclgevf_dev *hdev,
+ struct list_head *list,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+ int ret;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ ret = hclgevf_add_del_mac_addr(hdev, mac_node, mac_type);
+ if (ret) {
+ dev_err(&hdev->pdev->dev,
+ "failed to configure mac %pM, state = %d, ret = %d\n",
+ mac_node->mac_addr, mac_node->state, ret);
+ return;
+ }
+ if (mac_node->state == HCLGEVF_MAC_TO_ADD) {
+ mac_node->state = HCLGEVF_MAC_ACTIVE;
+ } else {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+ }
+}
+
+static void hclgevf_sync_from_add_list(struct list_head *add_list,
+ struct list_head *mac_list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+
+ list_for_each_entry_safe(mac_node, tmp, add_list, node) {
+ /* if the mac address from tmp_add_list is not in the
+ * uc/mc_mac_list, it means have received a TO_DEL request
+ * during the time window of sending mac config request to PF
+ * If mac_node state is ACTIVE, then change its state to TO_DEL,
+ * then it will be removed at next time. If is TO_ADD, it means
+ * send TO_ADD request failed, so just remove the mac node.
+ */
+ new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ hclgevf_update_mac_node(new_node, mac_node->state);
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else if (mac_node->state == HCLGEVF_MAC_ACTIVE) {
+ mac_node->state = HCLGEVF_MAC_TO_DEL;
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, mac_list);
+ } else {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+ }
+}
+
+static void hclgevf_sync_from_del_list(struct list_head *del_list,
+ struct list_head *mac_list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+
+ list_for_each_entry_safe(mac_node, tmp, del_list, node) {
+ new_node = hclgevf_find_mac_node(mac_list, mac_node->mac_addr);
+ if (new_node) {
+ /* If the mac addr is exist in the mac list, it means
+ * received a new request TO_ADD during the time window
+ * of sending mac addr configurrequest to PF, so just
+ * change the mac state to ACTIVE.
+ */
+ new_node->state = HCLGEVF_MAC_ACTIVE;
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ } else {
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, mac_list);
+ }
+ }
+}
+
+static void hclgevf_clear_list(struct list_head *list)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp;
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ list_del(&mac_node->node);
+ kfree(mac_node);
+ }
+}
+
+static void hclgevf_sync_mac_list(struct hclgevf_dev *hdev,
+ enum HCLGEVF_MAC_ADDR_TYPE mac_type)
+{
+ struct hclgevf_mac_addr_node *mac_node, *tmp, *new_node;
+ struct list_head tmp_add_list, tmp_del_list;
+ struct list_head *list;
+
+ INIT_LIST_HEAD(&tmp_add_list);
+ INIT_LIST_HEAD(&tmp_del_list);
+
+ /* move the mac addr to the tmp_add_list and tmp_del_list, then
+ * we can add/delete these mac addr outside the spin lock
+ */
+ list = (mac_type == HCLGEVF_MAC_ADDR_UC) ?
+ &hdev->mac_table.uc_mac_list : &hdev->mac_table.mc_mac_list;
+
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ list_for_each_entry_safe(mac_node, tmp, list, node) {
+ switch (mac_node->state) {
+ case HCLGEVF_MAC_TO_DEL:
+ list_del(&mac_node->node);
+ list_add_tail(&mac_node->node, &tmp_del_list);
+ break;
+ case HCLGEVF_MAC_TO_ADD:
+ new_node = kzalloc(sizeof(*new_node), GFP_ATOMIC);
+ if (!new_node)
+ goto stop_traverse;
+
+ ether_addr_copy(new_node->mac_addr, mac_node->mac_addr);
+ new_node->state = mac_node->state;
+ list_add_tail(&new_node->node, &tmp_add_list);
+ break;
+ default:
+ break;
+ }
+ }
+
+stop_traverse:
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+
+ /* delete first, in order to get max mac table space for adding */
+ hclgevf_config_mac_list(hdev, &tmp_del_list, mac_type);
+ hclgevf_config_mac_list(hdev, &tmp_add_list, mac_type);
+
+ /* if some mac addresses were added/deleted fail, move back to the
+ * mac_list, and retry at next time.
+ */
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ hclgevf_sync_from_del_list(&tmp_del_list, list);
+ hclgevf_sync_from_add_list(&tmp_add_list, list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+}
+
+static void hclgevf_sync_mac_table(struct hclgevf_dev *hdev)
+{
+ hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_UC);
+ hclgevf_sync_mac_list(hdev, HCLGEVF_MAC_ADDR_MC);
+}
+
+static void hclgevf_uninit_mac_list(struct hclgevf_dev *hdev)
+{
+ spin_lock_bh(&hdev->mac_table.mac_list_lock);
+
+ hclgevf_clear_list(&hdev->mac_table.uc_mac_list);
+ hclgevf_clear_list(&hdev->mac_table.mc_mac_list);
+
+ spin_unlock_bh(&hdev->mac_table.mac_list_lock);
+}
+
static int hclgevf_set_vlan_filter(struct hnae3_handle *handle,
__be16 proto, u16 vlan_id,
bool is_kill)
@@ -1506,10 +1776,6 @@ static int hclgevf_reset_stack(struct hclgevf_dev *hdev)
if (ret)
return ret;
- ret = hclgevf_notify_client(hdev, HNAE3_RESTORE_CLIENT);
- if (ret)
- return ret;
-
/* clear handshake status with IMP */
hclgevf_reset_handshake(hdev, false);
@@ -1559,7 +1825,7 @@ static void hclgevf_dump_rst_info(struct hclgevf_dev *hdev)
dev_info(&hdev->pdev->dev, "vector0 interrupt enable status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_MISC_VECTOR_REG_BASE));
dev_info(&hdev->pdev->dev, "vector0 interrupt status: 0x%x\n",
- hclgevf_read_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_STAT_REG));
+ hclgevf_read_dev(&hdev->hw, HCLGEVF_VECTOR0_CMDQ_STATE_REG));
dev_info(&hdev->pdev->dev, "handshake status: 0x%x\n",
hclgevf_read_dev(&hdev->hw, HCLGEVF_CMDQ_TX_DEPTH_REG));
dev_info(&hdev->pdev->dev, "function reset status: 0x%x\n",
@@ -1589,13 +1855,8 @@ static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev)
static int hclgevf_reset_prepare(struct hclgevf_dev *hdev)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
int ret;
- /* Initialize ae_dev reset status as well, in case enet layer wants to
- * know if device is undergoing reset
- */
- ae_dev->reset_type = hdev->reset_type;
hdev->rst_stats.rst_cnt++;
rtnl_lock();
@@ -1610,7 +1871,6 @@ static int hclgevf_reset_prepare(struct hclgevf_dev *hdev)
static int hclgevf_reset_rebuild(struct hclgevf_dev *hdev)
{
- struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
int ret;
hdev->rst_stats.hw_rst_done_cnt++;
@@ -1625,7 +1885,6 @@ static int hclgevf_reset_rebuild(struct hclgevf_dev *hdev)
}
hdev->last_reset_time = jiffies;
- ae_dev->reset_type = HNAE3_NONE_RESET;
hdev->rst_stats.rst_done_cnt++;
hdev->rst_stats.rst_fail_cnt = 0;
clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
@@ -1951,6 +2210,10 @@ static void hclgevf_periodic_service_task(struct hclgevf_dev *hdev)
hclgevf_sync_vlan_filter(hdev);
+ hclgevf_sync_mac_table(hdev);
+
+ hclgevf_sync_promisc_mode(hdev);
+
hdev->last_serv_processed = jiffies;
out:
@@ -1986,7 +2249,7 @@ static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev,
/* fetch the events from their corresponding regs */
cmdq_stat_reg = hclgevf_read_dev(&hdev->hw,
- HCLGEVF_VECTOR0_CMDQ_STAT_REG);
+ HCLGEVF_VECTOR0_CMDQ_STATE_REG);
if (BIT(HCLGEVF_VECTOR0_RST_INT_B) & cmdq_stat_reg) {
rst_ing_reg = hclgevf_read_dev(&hdev->hw, HCLGEVF_RST_ING);
@@ -2139,7 +2402,7 @@ static int hclgevf_config_gro(struct hclgevf_dev *hdev, bool en)
false);
req = (struct hclgevf_cfg_gro_status_cmd *)desc.data;
- req->gro_en = cpu_to_le16(en ? 1 : 0);
+ req->gro_en = en ? 1 : 0;
ret = hclgevf_cmd_send(&hdev->hw, &desc, 1);
if (ret)
@@ -2313,6 +2576,10 @@ static void hclgevf_state_init(struct hclgevf_dev *hdev)
mutex_init(&hdev->mbx_resp.mbx_mutex);
sema_init(&hdev->reset_sem, 1);
+ spin_lock_init(&hdev->mac_table.mac_list_lock);
+ INIT_LIST_HEAD(&hdev->mac_table.uc_mac_list);
+ INIT_LIST_HEAD(&hdev->mac_table.mc_mac_list);
+
/* bring the device down */
set_bit(HCLGEVF_STATE_DOWN, &hdev->state);
}
@@ -2445,6 +2712,7 @@ static int hclgevf_init_nic_client_instance(struct hnae3_ae_dev *ae_dev,
struct hnae3_client *client)
{
struct hclgevf_dev *hdev = ae_dev->priv;
+ int rst_cnt = hdev->rst_stats.rst_cnt;
int ret;
ret = client->ops->init_instance(&hdev->nic);
@@ -2452,6 +2720,14 @@ static int hclgevf_init_nic_client_instance(struct hnae3_ae_dev *ae_dev,
return ret;
set_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state);
+ if (test_bit(HCLGEVF_STATE_RST_HANDLING, &hdev->state) ||
+ rst_cnt != hdev->rst_stats.rst_cnt) {
+ clear_bit(HCLGEVF_STATE_NIC_REGISTERED, &hdev->state);
+
+ client->ops->uninit_instance(&hdev->nic, 0);
+ return -EBUSY;
+ }
+
hnae3_set_client_init_flag(client, ae_dev, 1);
if (netif_msg_drv(&hdev->nic))
@@ -2695,6 +2971,15 @@ static int hclgevf_pci_reset(struct hclgevf_dev *hdev)
return ret;
}
+static int hclgevf_clear_vport_list(struct hclgevf_dev *hdev)
+{
+ struct hclge_vf_to_pf_msg send_msg;
+
+ hclgevf_build_send_msg(&send_msg, HCLGE_MBX_HANDLE_VF_TBL,
+ HCLGE_MBX_VPORT_LIST_CLEAR);
+ return hclgevf_send_mbx_msg(hdev, &send_msg, false, NULL, 0);
+}
+
static int hclgevf_reset_hdev(struct hclgevf_dev *hdev)
{
struct pci_dev *pdev = hdev->pdev;
@@ -2730,6 +3015,8 @@ static int hclgevf_reset_hdev(struct hclgevf_dev *hdev)
return ret;
}
+ set_bit(HCLGEVF_STATE_PROMISC_CHANGED, &hdev->state);
+
dev_info(&hdev->pdev->dev, "Reset done\n");
return 0;
@@ -2802,6 +3089,15 @@ static int hclgevf_init_hdev(struct hclgevf_dev *hdev)
goto err_config;
}
+ /* ensure vf tbl list as empty before init*/
+ ret = hclgevf_clear_vport_list(hdev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to clear tbl list configuration, ret = %d.\n",
+ ret);
+ goto err_config;
+ }
+
ret = hclgevf_init_vlan_config(hdev);
if (ret) {
dev_err(&hdev->pdev->dev,
@@ -2846,6 +3142,7 @@ static void hclgevf_uninit_hdev(struct hclgevf_dev *hdev)
hclgevf_pci_uninit(hdev);
hclgevf_cmd_uninit(hdev);
+ hclgevf_uninit_mac_list(hdev);
}
static int hclgevf_init_ae_dev(struct hnae3_ae_dev *ae_dev)
@@ -3213,6 +3510,7 @@ static const struct hnae3_ae_ops hclgevf_ops = {
.set_timer_task = hclgevf_set_timer_task,
.get_link_mode = hclgevf_get_link_mode,
.set_promisc_mode = hclgevf_set_promisc_mode,
+ .request_update_promisc_mode = hclgevf_request_update_promisc_mode,
};
static struct hnae3_ae_algo ae_algovf = {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
index 3b88d866facc..c1fac8920ae3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -42,8 +42,6 @@
#define HCLGEVF_CMDQ_RX_DEPTH_REG 0x27020
#define HCLGEVF_CMDQ_RX_TAIL_REG 0x27024
#define HCLGEVF_CMDQ_RX_HEAD_REG 0x27028
-#define HCLGEVF_CMDQ_INTR_SRC_REG 0x27100
-#define HCLGEVF_CMDQ_INTR_STS_REG 0x27104
#define HCLGEVF_CMDQ_INTR_EN_REG 0x27108
#define HCLGEVF_CMDQ_INTR_GEN_REG 0x2710C
@@ -88,7 +86,7 @@
/* Vector0 interrupt CMDQ event source register(RW) */
#define HCLGEVF_VECTOR0_CMDQ_SRC_REG 0x27100
/* Vector0 interrupt CMDQ event status register(RO) */
-#define HCLGEVF_VECTOR0_CMDQ_STAT_REG 0x27104
+#define HCLGEVF_VECTOR0_CMDQ_STATE_REG 0x27104
/* CMDQ register bits for RX event(=MBX event) */
#define HCLGEVF_VECTOR0_RX_CMDQ_INT_B 1
/* RST register bits for RESET event */
@@ -148,6 +146,7 @@ enum hclgevf_states {
HCLGEVF_STATE_MBX_HANDLING,
HCLGEVF_STATE_CMD_DISABLE,
HCLGEVF_STATE_LINK_UPDATING,
+ HCLGEVF_STATE_PROMISC_CHANGED,
HCLGEVF_STATE_RST_FAIL,
};
@@ -234,6 +233,29 @@ struct hclgevf_rst_stats {
u32 rst_fail_cnt; /* the number of VF reset fail */
};
+enum HCLGEVF_MAC_ADDR_TYPE {
+ HCLGEVF_MAC_ADDR_UC,
+ HCLGEVF_MAC_ADDR_MC
+};
+
+enum HCLGEVF_MAC_NODE_STATE {
+ HCLGEVF_MAC_TO_ADD,
+ HCLGEVF_MAC_TO_DEL,
+ HCLGEVF_MAC_ACTIVE
+};
+
+struct hclgevf_mac_addr_node {
+ struct list_head node;
+ enum HCLGEVF_MAC_NODE_STATE state;
+ u8 mac_addr[ETH_ALEN];
+};
+
+struct hclgevf_mac_table_cfg {
+ spinlock_t mac_list_lock; /* protect mac address need to add/detele */
+ struct list_head uc_mac_list;
+ struct list_head mc_mac_list;
+};
+
struct hclgevf_dev {
struct pci_dev *pdev;
struct hnae3_ae_dev *ae_dev;
@@ -256,7 +278,7 @@ struct hclgevf_dev {
struct semaphore reset_sem; /* protect reset process */
u32 fw_version;
- u16 num_tqps; /* num task queue pairs of this PF */
+ u16 num_tqps; /* num task queue pairs of this VF */
u16 alloc_rss_size; /* allocated RSS task queue */
u16 rss_size_max; /* HW defined max RSS task queue */
@@ -282,6 +304,8 @@ struct hclgevf_dev {
unsigned long vlan_del_fail_bmap[BITS_TO_LONGS(VLAN_N_VID)];
+ struct hclgevf_mac_table_cfg mac_table;
+
bool mbx_event_pending;
struct hclgevf_mbx_resp_status mbx_resp; /* mailbox response */
struct hclgevf_mbx_arq_ring arq; /* mailbox async rx queue */
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
index 9b8154955f91..5b2dcd97c107 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -5,6 +5,9 @@
#include "hclgevf_main.h"
#include "hnae3.h"
+#define CREATE_TRACE_POINTS
+#include "hclgevf_trace.h"
+
static int hclgevf_resp_to_errno(u16 resp_code)
{
return resp_code ? -resp_code : 0;
@@ -106,6 +109,8 @@ int hclgevf_send_mbx_msg(struct hclgevf_dev *hdev,
memcpy(&req->msg, send_msg, sizeof(struct hclge_vf_to_pf_msg));
+ trace_hclge_vf_mbx_send(hdev, req);
+
/* synchronous send */
if (need_resp) {
mutex_lock(&hdev->mbx_resp.mbx_mutex);
@@ -179,6 +184,8 @@ void hclgevf_mbx_handler(struct hclgevf_dev *hdev)
continue;
}
+ trace_hclge_vf_mbx_get(hdev, req);
+
/* synchronous messages are time critical and need preferential
* treatment. Therefore, we need to acknowledge all the sync
* responses as quickly as possible so that waiting tasks do not
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
new file mode 100644
index 000000000000..e4bfb6191fef
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2018-2019 Hisilicon Limited. */
+
+/* This must be outside ifdef _HCLGEVF_TRACE_H */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hns3
+
+#if !defined(_HCLGEVF_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _HCLGEVF_TRACE_H_
+
+#include <linux/tracepoint.h>
+
+#define VF_GET_MBX_LEN (sizeof(struct hclge_mbx_pf_to_vf_cmd) / sizeof(u32))
+#define VF_SEND_MBX_LEN (sizeof(struct hclge_mbx_vf_to_pf_cmd) / sizeof(u32))
+
+TRACE_EVENT(hclge_vf_mbx_get,
+ TP_PROTO(
+ struct hclgevf_dev *hdev,
+ struct hclge_mbx_pf_to_vf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u16, code)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->nic.kinfo.netdev->name)
+ __array(u32, mbx_data, VF_GET_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->dest_vfid;
+ __entry->code = req->msg.code;
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_pf_to_vf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code,
+ __print_array(__entry->mbx_data, VF_GET_MBX_LEN, sizeof(u32))
+ )
+);
+
+TRACE_EVENT(hclge_vf_mbx_send,
+ TP_PROTO(
+ struct hclgevf_dev *hdev,
+ struct hclge_mbx_vf_to_pf_cmd *req),
+ TP_ARGS(hdev, req),
+
+ TP_STRUCT__entry(
+ __field(u8, vfid)
+ __field(u8, code)
+ __field(u8, subcode)
+ __string(pciname, pci_name(hdev->pdev))
+ __string(devname, &hdev->nic.kinfo.netdev->name)
+ __array(u32, mbx_data, VF_SEND_MBX_LEN)
+ ),
+
+ TP_fast_assign(
+ __entry->vfid = req->mbx_src_vfid;
+ __entry->code = req->msg.code;
+ __entry->subcode = req->msg.subcode;
+ __assign_str(pciname, pci_name(hdev->pdev));
+ __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ memcpy(__entry->mbx_data, req,
+ sizeof(struct hclge_mbx_vf_to_pf_cmd));
+ ),
+
+ TP_printk(
+ "%s %s vfid:%u code:%u subcode:%u data:%s",
+ __get_str(pciname), __get_str(devname), __entry->vfid,
+ __entry->code, __entry->subcode,
+ __print_array(__entry->mbx_data, VF_SEND_MBX_LEN, sizeof(u32))
+ )
+);
+
+#endif /* _HCLGEVF_TRACE_H_ */
+
+/* This must be outside ifdef _HCLGEVF_TRACE_H */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE hclgevf_trace
+#include <trace/define_trace.h>
diff --git a/drivers/net/ethernet/huawei/hinic/Makefile b/drivers/net/ethernet/huawei/hinic/Makefile
index fe88ab88cacc..32a011ca44c3 100644
--- a/drivers/net/ethernet/huawei/hinic/Makefile
+++ b/drivers/net/ethernet/huawei/hinic/Makefile
@@ -4,4 +4,4 @@ obj-$(CONFIG_HINIC) += hinic.o
hinic-y := hinic_main.o hinic_tx.o hinic_rx.o hinic_port.o hinic_hw_dev.o \
hinic_hw_io.o hinic_hw_qp.o hinic_hw_cmdq.o hinic_hw_wq.o \
hinic_hw_mgmt.o hinic_hw_api_cmd.o hinic_hw_eqs.o hinic_hw_if.o \
- hinic_common.o hinic_ethtool.o
+ hinic_common.o hinic_ethtool.o hinic_hw_mbox.o hinic_sriov.o
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
index a209b14160cc..48b40be3e84d 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
@@ -16,6 +16,7 @@
#include "hinic_hw_dev.h"
#include "hinic_tx.h"
#include "hinic_rx.h"
+#include "hinic_sriov.h"
#define HINIC_DRV_NAME "hinic"
@@ -23,6 +24,7 @@ enum hinic_flags {
HINIC_LINK_UP = BIT(0),
HINIC_INTF_UP = BIT(1),
HINIC_RSS_ENABLE = BIT(2),
+ HINIC_LINK_DOWN = BIT(3),
};
struct hinic_rx_mode_work {
@@ -67,6 +69,8 @@ struct hinic_dev {
struct hinic_txq *txqs;
struct hinic_rxq *rxqs;
+ u16 sq_depth;
+ u16 rq_depth;
struct hinic_txq_stats tx_stats;
struct hinic_rxq_stats rx_stats;
@@ -78,6 +82,7 @@ struct hinic_dev {
struct hinic_rss_type rss_type;
u8 *rss_hkey_user;
s32 *rss_indir_user;
+ struct hinic_sriov_info sriov_info;
};
#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
index 966aea949c0b..efb02e03e7da 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_ethtool.c
@@ -33,6 +33,99 @@
#include "hinic_rx.h"
#include "hinic_dev.h"
+#define SET_LINK_STR_MAX_LEN 128
+
+#define GET_SUPPORTED_MODE 0
+#define GET_ADVERTISED_MODE 1
+
+#define ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE(ecmd, mode) \
+ ((ecmd)->supported |= \
+ (1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
+#define ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE(ecmd, mode) \
+ ((ecmd)->advertising |= \
+ (1UL << hw_to_ethtool_link_mode_table[mode].link_mode_bit))
+#define ETHTOOL_ADD_SUPPORTED_LINK_MODE(ecmd, mode) \
+ ((ecmd)->supported |= SUPPORTED_##mode)
+#define ETHTOOL_ADD_ADVERTISED_LINK_MODE(ecmd, mode) \
+ ((ecmd)->advertising |= ADVERTISED_##mode)
+
+struct hw2ethtool_link_mode {
+ enum ethtool_link_mode_bit_indices link_mode_bit;
+ u32 speed;
+ enum hinic_link_mode hw_link_mode;
+};
+
+struct cmd_link_settings {
+ u64 supported;
+ u64 advertising;
+
+ u32 speed;
+ u8 duplex;
+ u8 port;
+ u8 autoneg;
+};
+
+static u32 hw_to_ethtool_speed[LINK_SPEED_LEVELS] = {
+ SPEED_10, SPEED_100,
+ SPEED_1000, SPEED_10000,
+ SPEED_25000, SPEED_40000,
+ SPEED_100000
+};
+
+static struct hw2ethtool_link_mode
+ hw_to_ethtool_link_mode_table[HINIC_LINK_MODE_NUMBERS] = {
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_10000baseKR_Full_BIT,
+ .speed = SPEED_10000,
+ .hw_link_mode = HINIC_10GE_BASE_KR,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT,
+ .speed = SPEED_40000,
+ .hw_link_mode = HINIC_40GE_BASE_KR4,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT,
+ .speed = SPEED_40000,
+ .hw_link_mode = HINIC_40GE_BASE_CR4,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT,
+ .speed = SPEED_100000,
+ .hw_link_mode = HINIC_100GE_BASE_KR4,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT,
+ .speed = SPEED_100000,
+ .hw_link_mode = HINIC_100GE_BASE_CR4,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+ .speed = SPEED_25000,
+ .hw_link_mode = HINIC_25GE_BASE_KR_S,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+ .speed = SPEED_25000,
+ .hw_link_mode = HINIC_25GE_BASE_CR_S,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+ .speed = SPEED_25000,
+ .hw_link_mode = HINIC_25GE_BASE_KR,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+ .speed = SPEED_25000,
+ .hw_link_mode = HINIC_25GE_BASE_CR,
+ },
+ {
+ .link_mode_bit = ETHTOOL_LINK_MODE_1000baseKX_Full_BIT,
+ .speed = SPEED_1000,
+ .hw_link_mode = HINIC_GE_BASE_KX,
+ },
+};
+
static void set_link_speed(struct ethtool_link_ksettings *link_ksettings,
enum hinic_speed speed)
{
@@ -71,18 +164,91 @@ static void set_link_speed(struct ethtool_link_ksettings *link_ksettings,
}
}
+static int hinic_get_link_mode_index(enum hinic_link_mode link_mode)
+{
+ int i = 0;
+
+ for (i = 0; i < HINIC_LINK_MODE_NUMBERS; i++) {
+ if (link_mode == hw_to_ethtool_link_mode_table[i].hw_link_mode)
+ break;
+ }
+
+ return i;
+}
+
+static void hinic_add_ethtool_link_mode(struct cmd_link_settings *link_settings,
+ enum hinic_link_mode hw_link_mode,
+ u32 name)
+{
+ enum hinic_link_mode link_mode;
+ int idx = 0;
+
+ for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
+ if (hw_link_mode & ((u32)1 << link_mode)) {
+ idx = hinic_get_link_mode_index(link_mode);
+ if (idx >= HINIC_LINK_MODE_NUMBERS)
+ continue;
+
+ if (name == GET_SUPPORTED_MODE)
+ ETHTOOL_ADD_SUPPORTED_SPEED_LINK_MODE
+ (link_settings, idx);
+ else
+ ETHTOOL_ADD_ADVERTISED_SPEED_LINK_MODE
+ (link_settings, idx);
+ }
+ }
+}
+
+static void hinic_link_port_type(struct cmd_link_settings *link_settings,
+ enum hinic_port_type port_type)
+{
+ switch (port_type) {
+ case HINIC_PORT_ELEC:
+ case HINIC_PORT_TP:
+ ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, TP);
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, TP);
+ link_settings->port = PORT_TP;
+ break;
+
+ case HINIC_PORT_AOC:
+ case HINIC_PORT_FIBRE:
+ ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
+ link_settings->port = PORT_FIBRE;
+ break;
+
+ case HINIC_PORT_COPPER:
+ ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, FIBRE);
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, FIBRE);
+ link_settings->port = PORT_DA;
+ break;
+
+ case HINIC_PORT_BACKPLANE:
+ ETHTOOL_ADD_SUPPORTED_LINK_MODE(link_settings, Backplane);
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(link_settings, Backplane);
+ link_settings->port = PORT_NONE;
+ break;
+
+ default:
+ link_settings->port = PORT_OTHER;
+ break;
+ }
+}
+
static int hinic_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings
*link_ksettings)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_link_mode_cmd link_mode = { 0 };
+ struct hinic_pause_config pause_info = { 0 };
+ struct cmd_link_settings settings = { 0 };
enum hinic_port_link_state link_state;
struct hinic_port_cap port_cap;
int err;
+ ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
- ethtool_link_ksettings_add_link_mode(link_ksettings, supported,
- Autoneg);
link_ksettings->base.speed = SPEED_UNKNOWN;
link_ksettings->base.autoneg = AUTONEG_DISABLE;
@@ -92,14 +258,19 @@ static int hinic_get_link_ksettings(struct net_device *netdev,
if (err)
return err;
+ hinic_link_port_type(&settings, port_cap.port_type);
+ link_ksettings->base.port = settings.port;
+
err = hinic_port_link_state(nic_dev, &link_state);
if (err)
return err;
- if (link_state != HINIC_LINK_STATE_UP)
- return err;
-
- set_link_speed(link_ksettings, port_cap.speed);
+ if (link_state == HINIC_LINK_STATE_UP) {
+ set_link_speed(link_ksettings, port_cap.speed);
+ link_ksettings->base.duplex =
+ (port_cap.duplex == HINIC_DUPLEX_FULL) ?
+ DUPLEX_FULL : DUPLEX_HALF;
+ }
if (!!(port_cap.autoneg_cap & HINIC_AUTONEG_SUPPORTED))
ethtool_link_ksettings_add_link_mode(link_ksettings,
@@ -108,11 +279,243 @@ static int hinic_get_link_ksettings(struct net_device *netdev,
if (port_cap.autoneg_state == HINIC_AUTONEG_ACTIVE)
link_ksettings->base.autoneg = AUTONEG_ENABLE;
- link_ksettings->base.duplex = (port_cap.duplex == HINIC_DUPLEX_FULL) ?
- DUPLEX_FULL : DUPLEX_HALF;
+ err = hinic_get_link_mode(nic_dev->hwdev, &link_mode);
+ if (err || link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
+ link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
+ return -EIO;
+
+ hinic_add_ethtool_link_mode(&settings, link_mode.supported,
+ GET_SUPPORTED_MODE);
+ hinic_add_ethtool_link_mode(&settings, link_mode.advertised,
+ GET_ADVERTISED_MODE);
+
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
+ err = hinic_get_hw_pause_info(nic_dev->hwdev, &pause_info);
+ if (err)
+ return err;
+ ETHTOOL_ADD_SUPPORTED_LINK_MODE(&settings, Pause);
+ if (pause_info.rx_pause && pause_info.tx_pause) {
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
+ } else if (pause_info.tx_pause) {
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
+ } else if (pause_info.rx_pause) {
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Pause);
+ ETHTOOL_ADD_ADVERTISED_LINK_MODE(&settings, Asym_Pause);
+ }
+ }
+
+ bitmap_copy(link_ksettings->link_modes.supported,
+ (unsigned long *)&settings.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+ bitmap_copy(link_ksettings->link_modes.advertising,
+ (unsigned long *)&settings.advertising,
+ __ETHTOOL_LINK_MODE_MASK_NBITS);
+
return 0;
}
+static int hinic_ethtool_to_hw_speed_level(u32 speed)
+{
+ int i;
+
+ for (i = 0; i < LINK_SPEED_LEVELS; i++) {
+ if (hw_to_ethtool_speed[i] == speed)
+ break;
+ }
+
+ return i;
+}
+
+static bool hinic_is_support_speed(enum hinic_link_mode supported_link,
+ u32 speed)
+{
+ enum hinic_link_mode link_mode;
+ int idx;
+
+ for (link_mode = 0; link_mode < HINIC_LINK_MODE_NUMBERS; link_mode++) {
+ if (!(supported_link & ((u32)1 << link_mode)))
+ continue;
+
+ idx = hinic_get_link_mode_index(link_mode);
+ if (idx >= HINIC_LINK_MODE_NUMBERS)
+ continue;
+
+ if (hw_to_ethtool_link_mode_table[idx].speed == speed)
+ return true;
+ }
+
+ return false;
+}
+
+static bool hinic_is_speed_legal(struct hinic_dev *nic_dev, u32 speed)
+{
+ struct hinic_link_mode_cmd link_mode = { 0 };
+ struct net_device *netdev = nic_dev->netdev;
+ enum nic_speed_level speed_level = 0;
+ int err;
+
+ err = hinic_get_link_mode(nic_dev->hwdev, &link_mode);
+ if (err)
+ return false;
+
+ if (link_mode.supported == HINIC_SUPPORTED_UNKNOWN ||
+ link_mode.advertised == HINIC_SUPPORTED_UNKNOWN)
+ return false;
+
+ speed_level = hinic_ethtool_to_hw_speed_level(speed);
+ if (speed_level >= LINK_SPEED_LEVELS ||
+ !hinic_is_support_speed(link_mode.supported, speed)) {
+ netif_err(nic_dev, drv, netdev,
+ "Unsupported speed: %d\n", speed);
+ return false;
+ }
+
+ return true;
+}
+
+static int get_link_settings_type(struct hinic_dev *nic_dev,
+ u8 autoneg, u32 speed, u32 *set_settings)
+{
+ struct hinic_port_cap port_cap = { 0 };
+ int err;
+
+ err = hinic_port_get_cap(nic_dev, &port_cap);
+ if (err)
+ return err;
+
+ /* always set autonegotiation */
+ if (port_cap.autoneg_cap)
+ *set_settings |= HILINK_LINK_SET_AUTONEG;
+
+ if (autoneg == AUTONEG_ENABLE) {
+ if (!port_cap.autoneg_cap) {
+ netif_err(nic_dev, drv, nic_dev->netdev, "Not support autoneg\n");
+ return -EOPNOTSUPP;
+ }
+ } else if (speed != (u32)SPEED_UNKNOWN) {
+ /* set speed only when autoneg is disabled */
+ if (!hinic_is_speed_legal(nic_dev, speed))
+ return -EINVAL;
+ *set_settings |= HILINK_LINK_SET_SPEED;
+ } else {
+ netif_err(nic_dev, drv, nic_dev->netdev, "Need to set speed when autoneg is off\n");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int set_link_settings_separate_cmd(struct hinic_dev *nic_dev,
+ u32 set_settings, u8 autoneg,
+ u32 speed)
+{
+ enum nic_speed_level speed_level = 0;
+ int err = 0;
+
+ if (set_settings & HILINK_LINK_SET_AUTONEG) {
+ err = hinic_set_autoneg(nic_dev->hwdev,
+ (autoneg == AUTONEG_ENABLE));
+ if (err)
+ netif_err(nic_dev, drv, nic_dev->netdev, "%s autoneg failed\n",
+ (autoneg == AUTONEG_ENABLE) ?
+ "Enable" : "Disable");
+ else
+ netif_info(nic_dev, drv, nic_dev->netdev, "%s autoneg successfully\n",
+ (autoneg == AUTONEG_ENABLE) ?
+ "Enable" : "Disable");
+ }
+
+ if (!err && (set_settings & HILINK_LINK_SET_SPEED)) {
+ speed_level = hinic_ethtool_to_hw_speed_level(speed);
+ err = hinic_set_speed(nic_dev->hwdev, speed_level);
+ if (err)
+ netif_err(nic_dev, drv, nic_dev->netdev, "Set speed %d failed\n",
+ speed);
+ else
+ netif_info(nic_dev, drv, nic_dev->netdev, "Set speed %d successfully\n",
+ speed);
+ }
+
+ return err;
+}
+
+static int hinic_set_settings_to_hw(struct hinic_dev *nic_dev,
+ u32 set_settings, u8 autoneg, u32 speed)
+{
+ struct hinic_link_ksettings_info settings = {0};
+ char set_link_str[SET_LINK_STR_MAX_LEN] = {0};
+ struct net_device *netdev = nic_dev->netdev;
+ enum nic_speed_level speed_level = 0;
+ int err;
+
+ err = snprintf(set_link_str, SET_LINK_STR_MAX_LEN, "%s",
+ (set_settings & HILINK_LINK_SET_AUTONEG) ?
+ (autoneg ? "autong enable " : "autong disable ") : "");
+ if (err < 0 || err >= SET_LINK_STR_MAX_LEN) {
+ netif_err(nic_dev, drv, netdev, "Failed to snprintf link state, function return(%d) and dest_len(%d)\n",
+ err, SET_LINK_STR_MAX_LEN);
+ return -EFAULT;
+ }
+
+ if (set_settings & HILINK_LINK_SET_SPEED) {
+ speed_level = hinic_ethtool_to_hw_speed_level(speed);
+ err = snprintf(set_link_str, SET_LINK_STR_MAX_LEN,
+ "%sspeed %d ", set_link_str, speed);
+ if (err <= 0 || err >= SET_LINK_STR_MAX_LEN) {
+ netif_err(nic_dev, drv, netdev, "Failed to snprintf link speed, function return(%d) and dest_len(%d)\n",
+ err, SET_LINK_STR_MAX_LEN);
+ return -EFAULT;
+ }
+ }
+
+ settings.func_id = HINIC_HWIF_FUNC_IDX(nic_dev->hwdev->hwif);
+ settings.valid_bitmap = set_settings;
+ settings.autoneg = autoneg;
+ settings.speed = speed_level;
+
+ err = hinic_set_link_settings(nic_dev->hwdev, &settings);
+ if (err != HINIC_MGMT_CMD_UNSUPPORTED) {
+ if (err)
+ netif_err(nic_dev, drv, netdev, "Set %s failed\n",
+ set_link_str);
+ else
+ netif_info(nic_dev, drv, netdev, "Set %s successfully\n",
+ set_link_str);
+
+ return err;
+ }
+
+ return set_link_settings_separate_cmd(nic_dev, set_settings, autoneg,
+ speed);
+}
+
+static int set_link_settings(struct net_device *netdev, u8 autoneg, u32 speed)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ u32 set_settings = 0;
+ int err;
+
+ err = get_link_settings_type(nic_dev, autoneg, speed, &set_settings);
+ if (err)
+ return err;
+
+ if (set_settings)
+ err = hinic_set_settings_to_hw(nic_dev, set_settings,
+ autoneg, speed);
+ else
+ netif_info(nic_dev, drv, netdev, "Nothing changed, exit without setting anything\n");
+
+ return err;
+}
+
+static int hinic_set_link_ksettings(struct net_device *netdev, const struct
+ ethtool_link_ksettings *link_settings)
+{
+ /* only support to set autoneg and speed */
+ return set_link_settings(netdev, link_settings->base.autoneg,
+ link_settings->base.speed);
+}
+
static void hinic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *info)
{
@@ -135,26 +538,118 @@ static void hinic_get_drvinfo(struct net_device *netdev,
static void hinic_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
- ring->rx_max_pending = HINIC_RQ_DEPTH;
- ring->tx_max_pending = HINIC_SQ_DEPTH;
- ring->rx_pending = HINIC_RQ_DEPTH;
- ring->tx_pending = HINIC_SQ_DEPTH;
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+
+ ring->rx_max_pending = HINIC_MAX_QUEUE_DEPTH;
+ ring->tx_max_pending = HINIC_MAX_QUEUE_DEPTH;
+ ring->rx_pending = nic_dev->rq_depth;
+ ring->tx_pending = nic_dev->sq_depth;
+}
+
+static int check_ringparam_valid(struct hinic_dev *nic_dev,
+ struct ethtool_ringparam *ring)
+{
+ if (ring->rx_jumbo_pending || ring->rx_mini_pending) {
+ netif_err(nic_dev, drv, nic_dev->netdev,
+ "Unsupported rx_jumbo_pending/rx_mini_pending\n");
+ return -EINVAL;
+ }
+
+ if (ring->tx_pending > HINIC_MAX_QUEUE_DEPTH ||
+ ring->tx_pending < HINIC_MIN_QUEUE_DEPTH ||
+ ring->rx_pending > HINIC_MAX_QUEUE_DEPTH ||
+ ring->rx_pending < HINIC_MIN_QUEUE_DEPTH) {
+ netif_err(nic_dev, drv, nic_dev->netdev,
+ "Queue depth out of range [%d-%d]\n",
+ HINIC_MIN_QUEUE_DEPTH, HINIC_MAX_QUEUE_DEPTH);
+ return -EINVAL;
+ }
+
+ return 0;
}
+static int hinic_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ u16 new_sq_depth, new_rq_depth;
+ int err;
+
+ err = check_ringparam_valid(nic_dev, ring);
+ if (err)
+ return err;
+
+ new_sq_depth = (u16)(1U << (u16)ilog2(ring->tx_pending));
+ new_rq_depth = (u16)(1U << (u16)ilog2(ring->rx_pending));
+
+ if (new_sq_depth == nic_dev->sq_depth &&
+ new_rq_depth == nic_dev->rq_depth)
+ return 0;
+
+ netif_info(nic_dev, drv, netdev,
+ "Change Tx/Rx ring depth from %d/%d to %d/%d\n",
+ nic_dev->sq_depth, nic_dev->rq_depth,
+ new_sq_depth, new_rq_depth);
+
+ nic_dev->sq_depth = new_sq_depth;
+ nic_dev->rq_depth = new_rq_depth;
+
+ if (netif_running(netdev)) {
+ netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
+ err = hinic_close(netdev);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to close netdev\n");
+ return -EFAULT;
+ }
+
+ err = hinic_open(netdev);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to open netdev\n");
+ return -EFAULT;
+ }
+ }
+
+ return 0;
+}
static void hinic_get_channels(struct net_device *netdev,
struct ethtool_channels *channels)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_hwdev *hwdev = nic_dev->hwdev;
- channels->max_rx = hwdev->nic_cap.max_qps;
- channels->max_tx = hwdev->nic_cap.max_qps;
- channels->max_other = 0;
- channels->max_combined = 0;
- channels->rx_count = hinic_hwdev_num_qps(hwdev);
- channels->tx_count = hinic_hwdev_num_qps(hwdev);
- channels->other_count = 0;
- channels->combined_count = 0;
+ channels->max_combined = nic_dev->max_qps;
+ channels->combined_count = hinic_hwdev_num_qps(hwdev);
+}
+
+static int hinic_set_channels(struct net_device *netdev,
+ struct ethtool_channels *channels)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ unsigned int count = channels->combined_count;
+ int err;
+
+ netif_info(nic_dev, drv, netdev, "Set max combined queue number from %d to %d\n",
+ hinic_hwdev_num_qps(nic_dev->hwdev), count);
+
+ if (netif_running(netdev)) {
+ netif_info(nic_dev, drv, netdev, "Restarting netdev\n");
+ hinic_close(netdev);
+
+ nic_dev->hwdev->nic_cap.num_qps = count;
+
+ err = hinic_open(netdev);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to open netdev\n");
+ return -EFAULT;
+ }
+ } else {
+ nic_dev->hwdev->nic_cap.num_qps = count;
+ }
+
+ return 0;
}
static int hinic_get_rss_hash_opts(struct hinic_dev *nic_dev,
@@ -741,10 +1236,13 @@ static void hinic_get_strings(struct net_device *netdev,
static const struct ethtool_ops hinic_ethtool_ops = {
.get_link_ksettings = hinic_get_link_ksettings,
+ .set_link_ksettings = hinic_set_link_ksettings,
.get_drvinfo = hinic_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_ringparam = hinic_get_ringparam,
+ .set_ringparam = hinic_set_ringparam,
.get_channels = hinic_get_channels,
+ .set_channels = hinic_set_channels,
.get_rxnfc = hinic_get_rxnfc,
.set_rxnfc = hinic_set_rxnfc,
.get_rxfh_key_size = hinic_get_rxfh_key_size,
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
index 5f2d57d1b2d3..cb5b6e5f787f 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.c
@@ -64,7 +64,7 @@
#define CMDQ_WQE_SIZE 64
#define CMDQ_DEPTH SZ_4K
-#define CMDQ_WQ_PAGE_SIZE SZ_4K
+#define CMDQ_WQ_PAGE_SIZE SZ_256K
#define WQE_LCMD_SIZE 64
#define WQE_SCMD_SIZE 64
@@ -705,7 +705,7 @@ static void cmdq_init_queue_ctxt(struct hinic_cmdq_ctxt *cmdq_ctxt,
/* The data in the HW is in Big Endian Format */
wq_first_page_paddr = be64_to_cpu(*wq->block_vaddr);
- pfn = CMDQ_PFN(wq_first_page_paddr, wq->wq_page_size);
+ pfn = CMDQ_PFN(wq_first_page_paddr, SZ_4K);
ctxt_info->curr_wqe_page_pfn =
HINIC_CMDQ_CTXT_PAGE_INFO_SET(pfn, CURR_WQE_PAGE_PFN) |
@@ -714,16 +714,19 @@ static void cmdq_init_queue_ctxt(struct hinic_cmdq_ctxt *cmdq_ctxt,
HINIC_CMDQ_CTXT_PAGE_INFO_SET(1, CEQ_EN) |
HINIC_CMDQ_CTXT_PAGE_INFO_SET(cmdq->wrapped, WRAPPED);
- /* block PFN - Read Modify Write */
- cmdq_first_block_paddr = cmdq_pages->page_paddr;
+ if (wq->num_q_pages != 1) {
+ /* block PFN - Read Modify Write */
+ cmdq_first_block_paddr = cmdq_pages->page_paddr;
- pfn = CMDQ_PFN(cmdq_first_block_paddr, wq->wq_page_size);
+ pfn = CMDQ_PFN(cmdq_first_block_paddr, wq->wq_page_size);
+ }
ctxt_info->wq_block_pfn =
HINIC_CMDQ_CTXT_BLOCK_INFO_SET(pfn, WQ_BLOCK_PFN) |
HINIC_CMDQ_CTXT_BLOCK_INFO_SET(atomic_read(&wq->cons_idx), CI);
cmdq_ctxt->func_idx = HINIC_HWIF_FUNC_IDX(cmdqs->hwif);
+ cmdq_ctxt->ppf_idx = HINIC_HWIF_PPF_IDX(cmdqs->hwif);
cmdq_ctxt->cmdq_type = cmdq->cmdq_type;
}
@@ -795,11 +798,6 @@ static int init_cmdqs_ctxt(struct hinic_hwdev *hwdev,
size_t cmdq_ctxts_size;
int err;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI function type\n");
- return -EINVAL;
- }
-
cmdq_ctxts_size = HINIC_MAX_CMDQ_TYPES * sizeof(*cmdq_ctxts);
cmdq_ctxts = devm_kzalloc(&pdev->dev, cmdq_ctxts_size, GFP_KERNEL);
if (!cmdq_ctxts)
@@ -851,6 +849,25 @@ err_init_cmdq:
return err;
}
+static int hinic_set_cmdq_depth(struct hinic_hwdev *hwdev, u16 cmdq_depth)
+{
+ struct hinic_cmd_hw_ioctxt hw_ioctxt = { 0 };
+ struct hinic_pfhwdev *pfhwdev;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ hw_ioctxt.func_idx = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ hw_ioctxt.ppf_idx = HINIC_HWIF_PPF_IDX(hwdev->hwif);
+
+ hw_ioctxt.set_cmdq_depth = HW_IOCTXT_SET_CMDQ_DEPTH_ENABLE;
+ hw_ioctxt.cmdq_depth = (u8)ilog2(cmdq_depth);
+
+ return hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+ HINIC_COMM_CMD_HWCTXT_SET,
+ &hw_ioctxt, sizeof(hw_ioctxt), NULL,
+ NULL, HINIC_MGMT_MSG_SYNC);
+}
+
/**
* hinic_init_cmdqs - init all cmdqs
* @cmdqs: cmdqs to init
@@ -901,8 +918,18 @@ int hinic_init_cmdqs(struct hinic_cmdqs *cmdqs, struct hinic_hwif *hwif,
hinic_ceq_register_cb(&func_to_io->ceqs, HINIC_CEQ_CMDQ, cmdqs,
cmdq_ceq_handler);
+
+ err = hinic_set_cmdq_depth(hwdev, CMDQ_DEPTH);
+ if (err) {
+ dev_err(&hwif->pdev->dev, "Failed to set cmdq depth\n");
+ goto err_set_cmdq_depth;
+ }
+
return 0;
+err_set_cmdq_depth:
+ hinic_ceq_unregister_cb(&func_to_io->ceqs, HINIC_CEQ_CMDQ);
+
err_cmdq_ctxt:
hinic_wqs_cmdq_free(&cmdqs->cmdq_pages, cmdqs->saved_wqs,
HINIC_MAX_CMDQ_TYPES);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
index 7a434b653faa..3e4b0aef9fe6 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_cmdq.h
@@ -122,7 +122,7 @@ struct hinic_cmdq_ctxt {
u16 func_idx;
u8 cmdq_type;
- u8 rsvd1[1];
+ u8 ppf_idx;
u8 rsvd2[4];
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
index cdec1d0a3962..7e84e4e33fff 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
@@ -10,7 +10,7 @@
/* HW interface registers */
#define HINIC_CSR_FUNC_ATTR0_ADDR 0x0
#define HINIC_CSR_FUNC_ATTR1_ADDR 0x4
-
+#define HINIC_CSR_FUNC_ATTR2_ADDR 0x8
#define HINIC_CSR_FUNC_ATTR4_ADDR 0x10
#define HINIC_CSR_FUNC_ATTR5_ADDR 0x14
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
index c7c75b772a86..0245da02efbb 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
@@ -15,7 +15,9 @@
#include <linux/jiffies.h>
#include <linux/log2.h>
#include <linux/err.h>
+#include <linux/netdevice.h>
+#include "hinic_sriov.h"
#include "hinic_hw_if.h"
#include "hinic_hw_eqs.h"
#include "hinic_hw_mgmt.h"
@@ -42,24 +44,6 @@ enum io_status {
IO_RUNNING = 1,
};
-enum hw_ioctxt_set_cmdq_depth {
- HW_IOCTXT_SET_CMDQ_DEPTH_DEFAULT,
-};
-
-/* HW struct */
-struct hinic_dev_cap {
- u8 status;
- u8 version;
- u8 rsvd0[6];
-
- u8 rsvd1[5];
- u8 intr_type;
- u8 rsvd2[66];
- u16 max_sqs;
- u16 max_rqs;
- u8 rsvd3[208];
-};
-
/**
* get_capability - convert device capabilities to NIC capabilities
* @hwdev: the HW device to set and convert device capabilities for
@@ -67,16 +51,13 @@ struct hinic_dev_cap {
*
* Return 0 - Success, negative - Failure
**/
-static int get_capability(struct hinic_hwdev *hwdev,
- struct hinic_dev_cap *dev_cap)
+static int parse_capability(struct hinic_hwdev *hwdev,
+ struct hinic_dev_cap *dev_cap)
{
struct hinic_cap *nic_cap = &hwdev->nic_cap;
int num_aeqs, num_ceqs, num_irqs;
- if (!HINIC_IS_PF(hwdev->hwif) && !HINIC_IS_PPF(hwdev->hwif))
- return -EINVAL;
-
- if (dev_cap->intr_type != INTR_MSIX_TYPE)
+ if (!HINIC_IS_VF(hwdev->hwif) && dev_cap->intr_type != INTR_MSIX_TYPE)
return -EFAULT;
num_aeqs = HINIC_HWIF_NUM_AEQS(hwdev->hwif);
@@ -89,13 +70,19 @@ static int get_capability(struct hinic_hwdev *hwdev,
if (nic_cap->num_qps > HINIC_Q_CTXT_MAX)
nic_cap->num_qps = HINIC_Q_CTXT_MAX;
- nic_cap->max_qps = dev_cap->max_sqs + 1;
- if (nic_cap->max_qps != (dev_cap->max_rqs + 1))
- return -EFAULT;
+ if (!HINIC_IS_VF(hwdev->hwif))
+ nic_cap->max_qps = dev_cap->max_sqs + 1;
+ else
+ nic_cap->max_qps = dev_cap->max_sqs;
if (nic_cap->num_qps > nic_cap->max_qps)
nic_cap->num_qps = nic_cap->max_qps;
+ if (!HINIC_IS_VF(hwdev->hwif)) {
+ nic_cap->max_vf = dev_cap->max_vf;
+ nic_cap->max_vf_qps = dev_cap->max_vf_sqs + 1;
+ }
+
return 0;
}
@@ -105,27 +92,26 @@ static int get_capability(struct hinic_hwdev *hwdev,
*
* Return 0 - Success, negative - Failure
**/
-static int get_cap_from_fw(struct hinic_pfhwdev *pfhwdev)
+static int get_capability(struct hinic_pfhwdev *pfhwdev)
{
struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
struct hinic_dev_cap dev_cap;
- u16 in_len, out_len;
+ u16 out_len;
int err;
- in_len = 0;
out_len = sizeof(dev_cap);
err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_CFGM,
- HINIC_CFG_NIC_CAP, &dev_cap, in_len, &dev_cap,
- &out_len, HINIC_MGMT_MSG_SYNC);
+ HINIC_CFG_NIC_CAP, &dev_cap, sizeof(dev_cap),
+ &dev_cap, &out_len, HINIC_MGMT_MSG_SYNC);
if (err) {
dev_err(&pdev->dev, "Failed to get capability from FW\n");
return err;
}
- return get_capability(hwdev, &dev_cap);
+ return parse_capability(hwdev, &dev_cap);
}
/**
@@ -144,15 +130,14 @@ static int get_dev_cap(struct hinic_hwdev *hwdev)
switch (HINIC_FUNC_TYPE(hwif)) {
case HINIC_PPF:
case HINIC_PF:
+ case HINIC_VF:
pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
-
- err = get_cap_from_fw(pfhwdev);
+ err = get_capability(pfhwdev);
if (err) {
- dev_err(&pdev->dev, "Failed to get capability from FW\n");
+ dev_err(&pdev->dev, "Failed to get capability\n");
return err;
}
break;
-
default:
dev_err(&pdev->dev, "Unsupported PCI Function type\n");
return -EINVAL;
@@ -225,15 +210,8 @@ static void disable_msix(struct hinic_hwdev *hwdev)
int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
void *buf_in, u16 in_size, void *buf_out, u16 *out_size)
{
- struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "unsupported PCI Function type\n");
- return -EINVAL;
- }
-
pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
return hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC, cmd,
@@ -241,6 +219,19 @@ int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
HINIC_MGMT_MSG_SYNC);
}
+int hinic_hilink_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_hilink_cmd cmd,
+ void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size)
+{
+ struct hinic_pfhwdev *pfhwdev;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ return hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_HILINK, cmd,
+ buf_in, in_size, buf_out, out_size,
+ HINIC_MGMT_MSG_SYNC);
+}
+
/**
* init_fw_ctxt- Init Firmware tables before network mgmt and io operations
* @hwdev: the NIC HW device
@@ -252,14 +243,9 @@ static int init_fw_ctxt(struct hinic_hwdev *hwdev)
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
struct hinic_cmd_fw_ctxt fw_ctxt;
- u16 out_size;
+ u16 out_size = sizeof(fw_ctxt);
int err;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- return -EINVAL;
- }
-
fw_ctxt.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
fw_ctxt.rx_buf_sz = HINIC_RX_BUF_SZ;
@@ -283,19 +269,13 @@ static int init_fw_ctxt(struct hinic_hwdev *hwdev)
*
* Return 0 - Success, negative - Failure
**/
-static int set_hw_ioctxt(struct hinic_hwdev *hwdev, unsigned int rq_depth,
- unsigned int sq_depth)
+static int set_hw_ioctxt(struct hinic_hwdev *hwdev, unsigned int sq_depth,
+ unsigned int rq_depth)
{
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_cmd_hw_ioctxt hw_ioctxt;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- return -EINVAL;
- }
-
hw_ioctxt.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
hw_ioctxt.ppf_idx = HINIC_HWIF_PPF_IDX(hwif);
@@ -374,11 +354,6 @@ static int clear_io_resources(struct hinic_hwdev *hwdev)
struct hinic_pfhwdev *pfhwdev;
int err;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- return -EINVAL;
- }
-
/* sleep 100ms to wait for firmware stopping I/O */
msleep(100);
@@ -410,14 +385,8 @@ static int set_resources_state(struct hinic_hwdev *hwdev,
{
struct hinic_cmd_set_res_state res_state;
struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- return -EINVAL;
- }
-
res_state.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
res_state.state = state;
@@ -441,8 +410,8 @@ static int get_base_qpn(struct hinic_hwdev *hwdev, u16 *base_qpn)
{
struct hinic_cmd_base_qpn cmd_base_qpn;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(cmd_base_qpn);
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
int err;
cmd_base_qpn.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
@@ -466,7 +435,7 @@ static int get_base_qpn(struct hinic_hwdev *hwdev, u16 *base_qpn)
*
* Return 0 - Success, negative - Failure
**/
-int hinic_hwdev_ifup(struct hinic_hwdev *hwdev)
+int hinic_hwdev_ifup(struct hinic_hwdev *hwdev, u16 sq_depth, u16 rq_depth)
{
struct hinic_func_to_io *func_to_io = &hwdev->func_to_io;
struct hinic_cap *nic_cap = &hwdev->nic_cap;
@@ -488,6 +457,9 @@ int hinic_hwdev_ifup(struct hinic_hwdev *hwdev)
num_ceqs = HINIC_HWIF_NUM_CEQS(hwif);
ceq_msix_entries = &hwdev->msix_entries[num_aeqs];
+ func_to_io->hwdev = hwdev;
+ func_to_io->sq_depth = sq_depth;
+ func_to_io->rq_depth = rq_depth;
err = hinic_io_init(func_to_io, hwif, nic_cap->max_qps, num_ceqs,
ceq_msix_entries);
@@ -513,7 +485,7 @@ int hinic_hwdev_ifup(struct hinic_hwdev *hwdev)
hinic_db_state_set(hwif, HINIC_DB_ENABLE);
}
- err = set_hw_ioctxt(hwdev, HINIC_SQ_DEPTH, HINIC_RQ_DEPTH);
+ err = set_hw_ioctxt(hwdev, sq_depth, rq_depth);
if (err) {
dev_err(&pdev->dev, "Failed to set HW IO ctxt\n");
goto err_hw_ioctxt;
@@ -558,17 +530,10 @@ void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
u16 in_size, void *buf_out,
u16 *out_size))
{
- struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
struct hinic_nic_cb *nic_cb;
u8 cmd_cb;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "unsupported PCI Function type\n");
- return;
- }
-
pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
cmd_cb = cmd - HINIC_MGMT_MSG_CMD_BASE;
@@ -588,15 +553,12 @@ void hinic_hwdev_cb_unregister(struct hinic_hwdev *hwdev,
enum hinic_mgmt_msg_cmd cmd)
{
struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
struct hinic_nic_cb *nic_cb;
u8 cmd_cb;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "unsupported PCI Function type\n");
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif))
return;
- }
pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
@@ -676,10 +638,23 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev)
return err;
}
- hinic_register_mgmt_msg_cb(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
- pfhwdev, nic_mgmt_msg_handler);
+ err = hinic_func_to_func_init(hwdev);
+ if (err) {
+ dev_err(&hwif->pdev->dev, "Failed to init mailbox\n");
+ hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
+ return err;
+ }
+
+ if (!HINIC_IS_VF(hwif))
+ hinic_register_mgmt_msg_cb(&pfhwdev->pf_to_mgmt,
+ HINIC_MOD_L2NIC, pfhwdev,
+ nic_mgmt_msg_handler);
+ else
+ hinic_register_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
+ nic_mgmt_msg_handler);
hinic_set_pf_action(hwif, HINIC_PF_MGMT_ACTIVE);
+
return 0;
}
@@ -693,11 +668,43 @@ static void free_pfhwdev(struct hinic_pfhwdev *pfhwdev)
hinic_set_pf_action(hwdev->hwif, HINIC_PF_MGMT_INIT);
- hinic_unregister_mgmt_msg_cb(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC);
+ if (!HINIC_IS_VF(hwdev->hwif))
+ hinic_unregister_mgmt_msg_cb(&pfhwdev->pf_to_mgmt,
+ HINIC_MOD_L2NIC);
+ else
+ hinic_unregister_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
+
+ hinic_func_to_func_free(hwdev);
hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
}
+static int hinic_l2nic_reset(struct hinic_hwdev *hwdev)
+{
+ struct hinic_cmd_l2nic_reset l2nic_reset = {0};
+ u16 out_size = sizeof(l2nic_reset);
+ struct hinic_pfhwdev *pfhwdev;
+ int err;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ l2nic_reset.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ /* 0 represents standard l2nic reset flow */
+ l2nic_reset.reset_flag = 0;
+
+ err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+ HINIC_COMM_CMD_L2NIC_RESET, &l2nic_reset,
+ sizeof(l2nic_reset), &l2nic_reset,
+ &out_size, HINIC_MGMT_MSG_SYNC);
+ if (err || !out_size || l2nic_reset.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to reset L2NIC resources, err: %d, status: 0x%x, out_size: 0x%x\n",
+ err, l2nic_reset.status, out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
/**
* hinic_init_hwdev - Initialize the NIC HW
* @pdev: the NIC pci device
@@ -723,12 +730,6 @@ struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev)
return ERR_PTR(err);
}
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- err = -EFAULT;
- goto err_func_type;
- }
-
pfhwdev = devm_kzalloc(&pdev->dev, sizeof(*pfhwdev), GFP_KERNEL);
if (!pfhwdev) {
err = -ENOMEM;
@@ -766,12 +767,22 @@ struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev)
goto err_init_pfhwdev;
}
+ err = hinic_l2nic_reset(hwdev);
+ if (err)
+ goto err_l2nic_reset;
+
err = get_dev_cap(hwdev);
if (err) {
dev_err(&pdev->dev, "Failed to get device capabilities\n");
goto err_dev_cap;
}
+ err = hinic_vf_func_init(hwdev);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to init nic mbox\n");
+ goto err_vf_func_init;
+ }
+
err = init_fw_ctxt(hwdev);
if (err) {
dev_err(&pdev->dev, "Failed to init function table\n");
@@ -788,6 +799,9 @@ struct hinic_hwdev *hinic_init_hwdev(struct pci_dev *pdev)
err_resources_state:
err_init_fw_ctxt:
+ hinic_vf_func_free(hwdev);
+err_vf_func_init:
+err_l2nic_reset:
err_dev_cap:
free_pfhwdev(pfhwdev);
@@ -799,7 +813,6 @@ err_aeqs_init:
err_init_msix:
err_pfhwdev_alloc:
-err_func_type:
hinic_free_hwif(hwif);
return ERR_PTR(err);
}
@@ -930,15 +943,9 @@ int hinic_hwdev_hw_ci_addr_set(struct hinic_hwdev *hwdev, struct hinic_sq *sq,
{
struct hinic_qp *qp = container_of(sq, struct hinic_qp, sq);
struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_pfhwdev *pfhwdev;
struct hinic_cmd_hw_ci hw_ci;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "Unsupported PCI Function type\n");
- return -EINVAL;
- }
-
hw_ci.dma_attr_off = 0;
hw_ci.pending_limit = pending_limit;
hw_ci.coalesc_timer = coalesc_timer;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
index 66fd2340d447..71ea7e46dbbc 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
@@ -16,18 +16,33 @@
#include "hinic_hw_mgmt.h"
#include "hinic_hw_qp.h"
#include "hinic_hw_io.h"
+#include "hinic_hw_mbox.h"
#define HINIC_MAX_QPS 32
#define HINIC_MGMT_NUM_MSG_CMD (HINIC_MGMT_MSG_CMD_MAX - \
HINIC_MGMT_MSG_CMD_BASE)
+#define HINIC_PF_SET_VF_ALREADY 0x4
+#define HINIC_MGMT_STATUS_EXIST 0x6
+#define HINIC_MGMT_CMD_UNSUPPORTED 0xFF
+
struct hinic_cap {
u16 max_qps;
u16 num_qps;
+ u8 max_vf;
+ u16 max_vf_qps;
+};
+
+enum hw_ioctxt_set_cmdq_depth {
+ HW_IOCTXT_SET_CMDQ_DEPTH_DEFAULT,
+ HW_IOCTXT_SET_CMDQ_DEPTH_ENABLE,
};
enum hinic_port_cmd {
+ HINIC_PORT_CMD_VF_REGISTER = 0x0,
+ HINIC_PORT_CMD_VF_UNREGISTER = 0x1,
+
HINIC_PORT_CMD_CHANGE_MTU = 2,
HINIC_PORT_CMD_ADD_VLAN = 3,
@@ -39,6 +54,9 @@ enum hinic_port_cmd {
HINIC_PORT_CMD_SET_RX_MODE = 12,
+ HINIC_PORT_CMD_GET_PAUSE_INFO = 20,
+ HINIC_PORT_CMD_SET_PAUSE_INFO = 21,
+
HINIC_PORT_CMD_GET_LINK_STATE = 24,
HINIC_PORT_CMD_SET_LRO = 25,
@@ -77,19 +95,45 @@ enum hinic_port_cmd {
HINIC_PORT_CMD_FWCTXT_INIT = 69,
+ HINIC_PORT_CMD_ENABLE_SPOOFCHK = 78,
+
HINIC_PORT_CMD_GET_MGMT_VERSION = 88,
HINIC_PORT_CMD_SET_FUNC_STATE = 93,
HINIC_PORT_CMD_GET_GLOBAL_QPN = 102,
+ HINIC_PORT_CMD_SET_VF_RATE = 105,
+
+ HINIC_PORT_CMD_SET_VF_VLAN = 106,
+
+ HINIC_PORT_CMD_CLR_VF_VLAN,
+
HINIC_PORT_CMD_SET_TSO = 112,
HINIC_PORT_CMD_SET_RQ_IQ_MAP = 115,
+ HINIC_PORT_CMD_LINK_STATUS_REPORT = 160,
+
+ HINIC_PORT_CMD_UPDATE_MAC = 164,
+
HINIC_PORT_CMD_GET_CAP = 170,
+ HINIC_PORT_CMD_GET_LINK_MODE = 217,
+
+ HINIC_PORT_CMD_SET_SPEED = 218,
+
+ HINIC_PORT_CMD_SET_AUTONEG = 219,
+
HINIC_PORT_CMD_SET_LRO_TIMER = 244,
+
+ HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE = 249,
+};
+
+/* cmd of mgmt CPU message for HILINK module */
+enum hinic_hilink_cmd {
+ HINIC_HILINK_CMD_GET_LINK_INFO = 0x3,
+ HINIC_HILINK_CMD_SET_LINK_SETTINGS = 0x8,
};
enum hinic_ucode_cmd {
@@ -191,6 +235,17 @@ struct hinic_cmd_set_res_state {
u32 rsvd2;
};
+struct hinic_ceq_ctrl_reg {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 q_id;
+ u32 ctrl0;
+ u32 ctrl1;
+};
+
struct hinic_cmd_base_qpn {
u8 status;
u8 version;
@@ -219,12 +274,22 @@ struct hinic_cmd_hw_ci {
u64 ci_addr;
};
+struct hinic_cmd_l2nic_reset {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 reset_flag;
+};
+
struct hinic_hwdev {
struct hinic_hwif *hwif;
struct msix_entry *msix_entries;
struct hinic_aeqs aeqs;
struct hinic_func_to_io func_to_io;
+ struct hinic_mbox_func_to_func *func_to_func;
struct hinic_cap nic_cap;
};
@@ -246,6 +311,25 @@ struct hinic_pfhwdev {
struct hinic_nic_cb nic_cb[HINIC_MGMT_NUM_MSG_CMD];
};
+struct hinic_dev_cap {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u8 rsvd1[5];
+ u8 intr_type;
+ u8 max_cos_id;
+ u8 er_id;
+ u8 port_id;
+ u8 max_vf;
+ u8 rsvd2[62];
+ u16 max_sqs;
+ u16 max_rqs;
+ u16 max_vf_sqs;
+ u16 max_vf_rqs;
+ u8 rsvd3[204];
+};
+
void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
enum hinic_mgmt_msg_cmd cmd, void *handle,
void (*handler)(void *handle, void *buf_in,
@@ -259,7 +343,11 @@ int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
void *buf_in, u16 in_size, void *buf_out,
u16 *out_size);
-int hinic_hwdev_ifup(struct hinic_hwdev *hwdev);
+int hinic_hilink_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_hilink_cmd cmd,
+ void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size);
+
+int hinic_hwdev_ifup(struct hinic_hwdev *hwdev, u16 sq_depth, u16 rq_depth);
void hinic_hwdev_ifdown(struct hinic_hwdev *hwdev);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
index c0b6bcb067cd..397936cac304 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.c
@@ -17,6 +17,7 @@
#include <asm/byteorder.h>
#include <asm/barrier.h>
+#include "hinic_hw_dev.h"
#include "hinic_hw_csr.h"
#include "hinic_hw_if.h"
#include "hinic_hw_eqs.h"
@@ -416,11 +417,11 @@ static irqreturn_t ceq_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
-static void set_ctrl0(struct hinic_eq *eq)
+static u32 get_ctrl0_val(struct hinic_eq *eq, u32 addr)
{
struct msix_entry *msix_entry = &eq->msix_entry;
enum hinic_eq_type type = eq->type;
- u32 addr, val, ctrl0;
+ u32 val, ctrl0;
if (type == HINIC_AEQ) {
/* RMW Ctrl0 */
@@ -440,9 +441,7 @@ static void set_ctrl0(struct hinic_eq *eq)
HINIC_AEQ_CTRL_0_SET(EQ_INT_MODE_ARMED, INT_MODE);
val |= ctrl0;
-
- hinic_hwif_write_reg(eq->hwif, addr, val);
- } else if (type == HINIC_CEQ) {
+ } else {
/* RMW Ctrl0 */
addr = HINIC_CSR_CEQ_CTRL_0_ADDR(eq->q_id);
@@ -462,16 +461,28 @@ static void set_ctrl0(struct hinic_eq *eq)
HINIC_CEQ_CTRL_0_SET(EQ_INT_MODE_ARMED, INTR_MODE);
val |= ctrl0;
-
- hinic_hwif_write_reg(eq->hwif, addr, val);
}
+ return val;
}
-static void set_ctrl1(struct hinic_eq *eq)
+static void set_ctrl0(struct hinic_eq *eq)
{
+ u32 val, addr;
+
+ if (eq->type == HINIC_AEQ)
+ addr = HINIC_CSR_AEQ_CTRL_0_ADDR(eq->q_id);
+ else
+ addr = HINIC_CSR_CEQ_CTRL_0_ADDR(eq->q_id);
+
+ val = get_ctrl0_val(eq, addr);
+
+ hinic_hwif_write_reg(eq->hwif, addr, val);
+}
+
+static u32 get_ctrl1_val(struct hinic_eq *eq, u32 addr)
+{
+ u32 page_size_val, elem_size, val, ctrl1;
enum hinic_eq_type type = eq->type;
- u32 page_size_val, elem_size;
- u32 addr, val, ctrl1;
if (type == HINIC_AEQ) {
/* RMW Ctrl1 */
@@ -491,9 +502,7 @@ static void set_ctrl1(struct hinic_eq *eq)
HINIC_AEQ_CTRL_1_SET(page_size_val, PAGE_SIZE);
val |= ctrl1;
-
- hinic_hwif_write_reg(eq->hwif, addr, val);
- } else if (type == HINIC_CEQ) {
+ } else {
/* RMW Ctrl1 */
addr = HINIC_CSR_CEQ_CTRL_1_ADDR(eq->q_id);
@@ -508,19 +517,70 @@ static void set_ctrl1(struct hinic_eq *eq)
HINIC_CEQ_CTRL_1_SET(page_size_val, PAGE_SIZE);
val |= ctrl1;
+ }
+ return val;
+}
- hinic_hwif_write_reg(eq->hwif, addr, val);
+static void set_ctrl1(struct hinic_eq *eq)
+{
+ u32 addr, val;
+
+ if (eq->type == HINIC_AEQ)
+ addr = HINIC_CSR_AEQ_CTRL_1_ADDR(eq->q_id);
+ else
+ addr = HINIC_CSR_CEQ_CTRL_1_ADDR(eq->q_id);
+
+ val = get_ctrl1_val(eq, addr);
+
+ hinic_hwif_write_reg(eq->hwif, addr, val);
+}
+
+static int set_ceq_ctrl_reg(struct hinic_eq *eq)
+{
+ struct hinic_ceq_ctrl_reg ceq_ctrl = {0};
+ struct hinic_hwdev *hwdev = eq->hwdev;
+ u16 out_size = sizeof(ceq_ctrl);
+ u16 in_size = sizeof(ceq_ctrl);
+ struct hinic_pfhwdev *pfhwdev;
+ u32 addr;
+ int err;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ addr = HINIC_CSR_CEQ_CTRL_0_ADDR(eq->q_id);
+ ceq_ctrl.ctrl0 = get_ctrl0_val(eq, addr);
+ addr = HINIC_CSR_CEQ_CTRL_1_ADDR(eq->q_id);
+ ceq_ctrl.ctrl1 = get_ctrl1_val(eq, addr);
+
+ ceq_ctrl.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ ceq_ctrl.q_id = eq->q_id;
+
+ err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+ HINIC_COMM_CMD_CEQ_CTRL_REG_WR_BY_UP,
+ &ceq_ctrl, in_size,
+ &ceq_ctrl, &out_size, HINIC_MGMT_MSG_SYNC);
+ if (err || !out_size || ceq_ctrl.status) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to set ceq %d ctrl reg, err: %d status: 0x%x, out_size: 0x%x\n",
+ eq->q_id, err, ceq_ctrl.status, out_size);
+ return -EFAULT;
}
+
+ return 0;
}
/**
* set_eq_ctrls - setting eq's ctrl registers
* @eq: the Event Queue for setting
**/
-static void set_eq_ctrls(struct hinic_eq *eq)
+static int set_eq_ctrls(struct hinic_eq *eq)
{
+ if (HINIC_IS_VF(eq->hwif) && eq->type == HINIC_CEQ)
+ return set_ceq_ctrl_reg(eq);
+
set_ctrl0(eq);
set_ctrl1(eq);
+ return 0;
}
/**
@@ -703,7 +763,12 @@ static int init_eq(struct hinic_eq *eq, struct hinic_hwif *hwif,
return -EINVAL;
}
- set_eq_ctrls(eq);
+ err = set_eq_ctrls(eq);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to set eq ctrls\n");
+ return err;
+ }
+
eq_update_ci(eq, EQ_ARMED);
err = alloc_eq_pages(eq);
@@ -859,6 +924,7 @@ int hinic_ceqs_init(struct hinic_ceqs *ceqs, struct hinic_hwif *hwif,
ceqs->num_ceqs = num_ceqs;
for (q_id = 0; q_id < num_ceqs; q_id++) {
+ ceqs->ceq[q_id].hwdev = ceqs->hwdev;
err = init_eq(&ceqs->ceq[q_id], hwif, HINIC_CEQ, q_id, q_len,
page_size, msix_entries[q_id]);
if (err) {
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
index d35f2068ee0c..74b9ff90640c 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_eqs.h
@@ -143,8 +143,9 @@ enum hinic_eq_type {
};
enum hinic_aeq_type {
+ HINIC_MBX_FROM_FUNC = 1,
HINIC_MSG_FROM_MGMT_CPU = 2,
-
+ HINIC_MBX_SEND_RSLT = 5,
HINIC_MAX_AEQ_EVENTS,
};
@@ -171,7 +172,7 @@ struct hinic_eq_work {
struct hinic_eq {
struct hinic_hwif *hwif;
-
+ struct hinic_hwdev *hwdev;
enum hinic_eq_type type;
int q_id;
u32 q_len;
@@ -219,7 +220,7 @@ struct hinic_ceq_cb {
struct hinic_ceqs {
struct hinic_hwif *hwif;
-
+ struct hinic_hwdev *hwdev;
struct hinic_eq ceq[HINIC_MAX_CEQS];
int num_ceqs;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
index 07bbfbf68577..cf127d896ba6 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
@@ -10,6 +10,7 @@
#include <linux/io.h>
#include <linux/types.h>
#include <linux/bitops.h>
+#include <linux/delay.h>
#include "hinic_hw_csr.h"
#include "hinic_hw_if.h"
@@ -18,6 +19,8 @@
#define VALID_MSIX_IDX(attr, msix_index) ((msix_index) < (attr)->num_irqs)
+#define WAIT_HWIF_READY_TIMEOUT 10000
+
/**
* hinic_msix_attr_set - set message attribute for msix entry
* @hwif: the HW interface of a pci function device
@@ -115,8 +118,12 @@ int hinic_msix_attr_cnt_clear(struct hinic_hwif *hwif, u16 msix_index)
**/
void hinic_set_pf_action(struct hinic_hwif *hwif, enum hinic_pf_action action)
{
- u32 attr5 = hinic_hwif_read_reg(hwif, HINIC_CSR_FUNC_ATTR5_ADDR);
+ u32 attr5;
+
+ if (HINIC_IS_VF(hwif))
+ return;
+ attr5 = hinic_hwif_read_reg(hwif, HINIC_CSR_FUNC_ATTR5_ADDR);
attr5 = HINIC_FA5_CLEAR(attr5, PF_ACTION);
attr5 |= HINIC_FA5_SET(action, PF_ACTION);
@@ -183,27 +190,47 @@ void hinic_set_msix_state(struct hinic_hwif *hwif, u16 msix_idx,
**/
static int hwif_ready(struct hinic_hwif *hwif)
{
- struct pci_dev *pdev = hwif->pdev;
u32 addr, attr1;
addr = HINIC_CSR_FUNC_ATTR1_ADDR;
attr1 = hinic_hwif_read_reg(hwif, addr);
- if (!HINIC_FA1_GET(attr1, INIT_STATUS)) {
- dev_err(&pdev->dev, "hwif status is not ready\n");
- return -EFAULT;
+ if (!HINIC_FA1_GET(attr1, MGMT_INIT_STATUS))
+ return -EBUSY;
+
+ if (HINIC_IS_VF(hwif)) {
+ if (!HINIC_FA1_GET(attr1, PF_INIT_STATUS))
+ return -EBUSY;
}
return 0;
}
+static int wait_hwif_ready(struct hinic_hwif *hwif)
+{
+ unsigned long timeout = 0;
+
+ do {
+ if (!hwif_ready(hwif))
+ return 0;
+
+ usleep_range(999, 1000);
+ timeout++;
+ } while (timeout <= WAIT_HWIF_READY_TIMEOUT);
+
+ dev_err(&hwif->pdev->dev, "Wait for hwif timeout\n");
+
+ return -EBUSY;
+}
+
/**
* set_hwif_attr - set the attributes in the relevant members in hwif
* @hwif: the HW interface of a pci function device
* @attr0: the first attribute that was read from the hw
* @attr1: the second attribute that was read from the hw
**/
-static void set_hwif_attr(struct hinic_hwif *hwif, u32 attr0, u32 attr1)
+static void set_hwif_attr(struct hinic_hwif *hwif, u32 attr0, u32 attr1,
+ u32 attr2)
{
hwif->attr.func_idx = HINIC_FA0_GET(attr0, FUNC_IDX);
hwif->attr.pf_idx = HINIC_FA0_GET(attr0, PF_IDX);
@@ -214,6 +241,8 @@ static void set_hwif_attr(struct hinic_hwif *hwif, u32 attr0, u32 attr1)
hwif->attr.num_ceqs = BIT(HINIC_FA1_GET(attr1, CEQS_PER_FUNC));
hwif->attr.num_irqs = BIT(HINIC_FA1_GET(attr1, IRQS_PER_FUNC));
hwif->attr.num_dma_attr = BIT(HINIC_FA1_GET(attr1, DMA_ATTR_PER_FUNC));
+ hwif->attr.global_vf_id_of_pf = HINIC_FA2_GET(attr2,
+ GLOBAL_VF_ID_OF_PF);
}
/**
@@ -222,7 +251,7 @@ static void set_hwif_attr(struct hinic_hwif *hwif, u32 attr0, u32 attr1)
**/
static void read_hwif_attr(struct hinic_hwif *hwif)
{
- u32 addr, attr0, attr1;
+ u32 addr, attr0, attr1, attr2;
addr = HINIC_CSR_FUNC_ATTR0_ADDR;
attr0 = hinic_hwif_read_reg(hwif, addr);
@@ -230,7 +259,10 @@ static void read_hwif_attr(struct hinic_hwif *hwif)
addr = HINIC_CSR_FUNC_ATTR1_ADDR;
attr1 = hinic_hwif_read_reg(hwif, addr);
- set_hwif_attr(hwif, attr0, attr1);
+ addr = HINIC_CSR_FUNC_ATTR2_ADDR;
+ attr2 = hinic_hwif_read_reg(hwif, addr);
+
+ set_hwif_attr(hwif, attr0, attr1, attr2);
}
/**
@@ -309,6 +341,34 @@ static void dma_attr_init(struct hinic_hwif *hwif)
HINIC_PCIE_SNOOP, HINIC_PCIE_TPH_DISABLE);
}
+u16 hinic_glb_pf_vf_offset(struct hinic_hwif *hwif)
+{
+ if (!hwif)
+ return 0;
+
+ return hwif->attr.global_vf_id_of_pf;
+}
+
+u16 hinic_global_func_id_hw(struct hinic_hwif *hwif)
+{
+ u32 addr, attr0;
+
+ addr = HINIC_CSR_FUNC_ATTR0_ADDR;
+ attr0 = hinic_hwif_read_reg(hwif, addr);
+
+ return HINIC_FA0_GET(attr0, FUNC_IDX);
+}
+
+u16 hinic_pf_id_of_vf_hw(struct hinic_hwif *hwif)
+{
+ u32 addr, attr0;
+
+ addr = HINIC_CSR_FUNC_ATTR0_ADDR;
+ attr0 = hinic_hwif_read_reg(hwif, addr);
+
+ return HINIC_FA0_GET(attr0, PF_IDX);
+}
+
/**
* hinic_init_hwif - initialize the hw interface
* @hwif: the HW interface of a pci function device
@@ -335,7 +395,7 @@ int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev)
goto err_map_intr_bar;
}
- err = hwif_ready(hwif);
+ err = wait_hwif_ready(hwif);
if (err) {
dev_err(&pdev->dev, "HW interface is not ready\n");
goto err_hwif_ready;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
index c7bb9ceca72c..0872e035faa1 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
@@ -35,6 +35,7 @@
#define HINIC_FA0_FUNC_IDX_SHIFT 0
#define HINIC_FA0_PF_IDX_SHIFT 10
#define HINIC_FA0_PCI_INTF_IDX_SHIFT 14
+#define HINIC_FA0_VF_IN_PF_SHIFT 16
/* reserved members - off 16 */
#define HINIC_FA0_FUNC_TYPE_SHIFT 24
@@ -42,6 +43,7 @@
#define HINIC_FA0_PF_IDX_MASK 0xF
#define HINIC_FA0_PCI_INTF_IDX_MASK 0x3
#define HINIC_FA0_FUNC_TYPE_MASK 0x1
+#define HINIC_FA0_VF_IN_PF_MASK 0xFF
#define HINIC_FA0_GET(val, member) \
(((val) >> HINIC_FA0_##member##_SHIFT) & HINIC_FA0_##member##_MASK)
@@ -53,17 +55,25 @@
#define HINIC_FA1_IRQS_PER_FUNC_SHIFT 20
#define HINIC_FA1_DMA_ATTR_PER_FUNC_SHIFT 24
/* reserved members - off 27 */
-#define HINIC_FA1_INIT_STATUS_SHIFT 30
+#define HINIC_FA1_MGMT_INIT_STATUS_SHIFT 30
+#define HINIC_FA1_PF_INIT_STATUS_SHIFT 31
#define HINIC_FA1_AEQS_PER_FUNC_MASK 0x3
#define HINIC_FA1_CEQS_PER_FUNC_MASK 0x7
#define HINIC_FA1_IRQS_PER_FUNC_MASK 0xF
#define HINIC_FA1_DMA_ATTR_PER_FUNC_MASK 0x7
-#define HINIC_FA1_INIT_STATUS_MASK 0x1
+#define HINIC_FA1_MGMT_INIT_STATUS_MASK 0x1
+#define HINIC_FA1_PF_INIT_STATUS_MASK 0x1
#define HINIC_FA1_GET(val, member) \
(((val) >> HINIC_FA1_##member##_SHIFT) & HINIC_FA1_##member##_MASK)
+#define HINIC_FA2_GLOBAL_VF_ID_OF_PF_SHIFT 16
+#define HINIC_FA2_GLOBAL_VF_ID_OF_PF_MASK 0x3FF
+
+#define HINIC_FA2_GET(val, member) \
+ (((val) >> HINIC_FA2_##member##_SHIFT) & HINIC_FA2_##member##_MASK)
+
#define HINIC_FA4_OUTBOUND_STATE_SHIFT 0
#define HINIC_FA4_DB_STATE_SHIFT 1
@@ -140,6 +150,7 @@
#define HINIC_HWIF_PPF_IDX(hwif) ((hwif)->attr.ppf_idx)
#define HINIC_FUNC_TYPE(hwif) ((hwif)->attr.func_type)
+#define HINIC_IS_VF(hwif) (HINIC_FUNC_TYPE(hwif) == HINIC_VF)
#define HINIC_IS_PF(hwif) (HINIC_FUNC_TYPE(hwif) == HINIC_PF)
#define HINIC_IS_PPF(hwif) (HINIC_FUNC_TYPE(hwif) == HINIC_PPF)
@@ -173,6 +184,7 @@ enum hinic_pcie_tph {
enum hinic_func_type {
HINIC_PF = 0,
+ HINIC_VF = 1,
HINIC_PPF = 2,
};
@@ -180,7 +192,7 @@ enum hinic_mod_type {
HINIC_MOD_COMM = 0, /* HW communication module */
HINIC_MOD_L2NIC = 1, /* L2NIC module */
HINIC_MOD_CFGM = 7, /* Configuration module */
-
+ HINIC_MOD_HILINK = 14, /* Hilink module */
HINIC_MOD_MAX = 15
};
@@ -223,6 +235,8 @@ struct hinic_func_attr {
u8 num_ceqs;
u8 num_dma_attr;
+
+ u16 global_vf_id_of_pf;
};
struct hinic_hwif {
@@ -271,6 +285,12 @@ enum hinic_db_state hinic_db_state_get(struct hinic_hwif *hwif);
void hinic_db_state_set(struct hinic_hwif *hwif,
enum hinic_db_state db_state);
+u16 hinic_glb_pf_vf_offset(struct hinic_hwif *hwif);
+
+u16 hinic_global_func_id_hw(struct hinic_hwif *hwif);
+
+u16 hinic_pf_id_of_vf_hw(struct hinic_hwif *hwif);
+
int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev);
void hinic_free_hwif(struct hinic_hwif *hwif);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c
index d66f86fa3f46..3e3fa742e476 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c
@@ -15,6 +15,7 @@
#include <linux/io.h>
#include <linux/err.h>
+#include "hinic_hw_dev.h"
#include "hinic_hw_if.h"
#include "hinic_hw_eqs.h"
#include "hinic_hw_wqe.h"
@@ -34,6 +35,8 @@
#define DB_IDX(db, db_base) \
(((unsigned long)(db) - (unsigned long)(db_base)) / HINIC_DB_PAGE_SIZE)
+#define HINIC_PAGE_SIZE_HW(pg_size) ((u8)ilog2((u32)((pg_size) >> 12)))
+
enum io_cmd {
IO_CMD_MODIFY_QUEUE_CTXT = 0,
IO_CMD_CLEAN_QUEUE_CTXT,
@@ -279,7 +282,7 @@ static int init_qp(struct hinic_func_to_io *func_to_io,
err = hinic_wq_allocate(&func_to_io->wqs, &func_to_io->sq_wq[q_id],
HINIC_SQ_WQEBB_SIZE, HINIC_SQ_PAGE_SIZE,
- HINIC_SQ_DEPTH, HINIC_SQ_WQE_MAX_SIZE);
+ func_to_io->sq_depth, HINIC_SQ_WQE_MAX_SIZE);
if (err) {
dev_err(&pdev->dev, "Failed to allocate WQ for SQ\n");
return err;
@@ -287,7 +290,7 @@ static int init_qp(struct hinic_func_to_io *func_to_io,
err = hinic_wq_allocate(&func_to_io->wqs, &func_to_io->rq_wq[q_id],
HINIC_RQ_WQEBB_SIZE, HINIC_RQ_PAGE_SIZE,
- HINIC_RQ_DEPTH, HINIC_RQ_WQE_SIZE);
+ func_to_io->rq_depth, HINIC_RQ_WQE_SIZE);
if (err) {
dev_err(&pdev->dev, "Failed to allocate WQ for RQ\n");
goto err_rq_alloc;
@@ -484,6 +487,33 @@ void hinic_io_destroy_qps(struct hinic_func_to_io *func_to_io, int num_qps)
devm_kfree(&pdev->dev, func_to_io->qps);
}
+int hinic_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx,
+ u32 page_size)
+{
+ struct hinic_wq_page_size page_size_info = {0};
+ u16 out_size = sizeof(page_size_info);
+ struct hinic_pfhwdev *pfhwdev;
+ int err;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ page_size_info.func_idx = func_idx;
+ page_size_info.ppf_idx = HINIC_HWIF_PPF_IDX(hwdev->hwif);
+ page_size_info.page_size = HINIC_PAGE_SIZE_HW(page_size);
+
+ err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+ HINIC_COMM_CMD_PAGESIZE_SET, &page_size_info,
+ sizeof(page_size_info), &page_size_info,
+ &out_size, HINIC_MGMT_MSG_SYNC);
+ if (err || !out_size || page_size_info.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set wq page size, err: %d, status: 0x%x, out_size: 0x%0x\n",
+ err, page_size_info.status, out_size);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
/**
* hinic_io_init - Initialize the IO components
* @func_to_io: func to io channel that holds the IO components
@@ -506,6 +536,7 @@ int hinic_io_init(struct hinic_func_to_io *func_to_io,
func_to_io->hwif = hwif;
func_to_io->qps = NULL;
func_to_io->max_qps = max_qps;
+ func_to_io->ceqs.hwdev = func_to_io->hwdev;
err = hinic_ceqs_init(&func_to_io->ceqs, hwif, num_ceqs,
HINIC_DEFAULT_CEQ_LEN, HINIC_EQ_PAGE_SIZE,
@@ -541,6 +572,14 @@ int hinic_io_init(struct hinic_func_to_io *func_to_io,
func_to_io->cmdq_db_area[cmdq] = db_area;
}
+ err = hinic_set_wq_page_size(func_to_io->hwdev,
+ HINIC_HWIF_FUNC_IDX(hwif),
+ HINIC_DEFAULT_WQ_PAGE_SIZE);
+ if (err) {
+ dev_err(&func_to_io->hwif->pdev->dev, "Failed to set wq page size\n");
+ goto init_wq_pg_size_err;
+ }
+
err = hinic_init_cmdqs(&func_to_io->cmdqs, hwif,
func_to_io->cmdq_db_area);
if (err) {
@@ -551,6 +590,11 @@ int hinic_io_init(struct hinic_func_to_io *func_to_io,
return 0;
err_init_cmdqs:
+ if (!HINIC_IS_VF(func_to_io->hwif))
+ hinic_set_wq_page_size(func_to_io->hwdev,
+ HINIC_HWIF_FUNC_IDX(hwif),
+ HINIC_HW_WQ_PAGE_SIZE);
+init_wq_pg_size_err:
err_db_area:
for (type = HINIC_CMDQ_SYNC; type < cmdq; type++)
return_db_area(func_to_io, func_to_io->cmdq_db_area[type]);
@@ -575,6 +619,11 @@ void hinic_io_free(struct hinic_func_to_io *func_to_io)
hinic_free_cmdqs(&func_to_io->cmdqs);
+ if (!HINIC_IS_VF(func_to_io->hwif))
+ hinic_set_wq_page_size(func_to_io->hwdev,
+ HINIC_HWIF_FUNC_IDX(func_to_io->hwif),
+ HINIC_HW_WQ_PAGE_SIZE);
+
for (cmdq = HINIC_CMDQ_SYNC; cmdq < HINIC_MAX_CMDQ_TYPES; cmdq++)
return_db_area(func_to_io, func_to_io->cmdq_db_area[cmdq]);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
index cac2b722e7dc..214f162f7579 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.h
@@ -20,6 +20,8 @@
#define HINIC_DB_PAGE_SIZE SZ_4K
#define HINIC_DB_SIZE SZ_4M
+#define HINIC_HW_WQ_PAGE_SIZE SZ_4K
+#define HINIC_DEFAULT_WQ_PAGE_SIZE SZ_256K
#define HINIC_DB_MAX_AREAS (HINIC_DB_SIZE / HINIC_DB_PAGE_SIZE)
@@ -47,7 +49,7 @@ struct hinic_free_db_area {
struct hinic_func_to_io {
struct hinic_hwif *hwif;
-
+ struct hinic_hwdev *hwdev;
struct hinic_ceqs ceqs;
struct hinic_wqs wqs;
@@ -58,6 +60,9 @@ struct hinic_func_to_io {
struct hinic_qp *qps;
u16 max_qps;
+ u16 sq_depth;
+ u16 rq_depth;
+
void __iomem **sq_db;
void __iomem *db_base;
@@ -69,8 +74,27 @@ struct hinic_func_to_io {
void __iomem *cmdq_db_area[HINIC_MAX_CMDQ_TYPES];
struct hinic_cmdqs cmdqs;
+
+ u16 max_vfs;
+ struct vf_data_storage *vf_infos;
+ u8 link_status;
+};
+
+struct hinic_wq_page_size {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u8 ppf_idx;
+ u8 page_size;
+
+ u32 rsvd1;
};
+int hinic_set_wq_page_size(struct hinic_hwdev *hwdev, u16 func_idx,
+ u32 page_size);
+
int hinic_io_create_qps(struct hinic_func_to_io *func_to_io,
u16 base_qpn, int num_qps,
struct msix_entry *sq_msix_entries,
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
new file mode 100644
index 000000000000..bc2f87e6cb5d
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.c
@@ -0,0 +1,1210 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+#include <linux/completion.h>
+#include <linux/semaphore.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+#include "hinic_hw_if.h"
+#include "hinic_hw_mgmt.h"
+#include "hinic_hw_csr.h"
+#include "hinic_hw_dev.h"
+#include "hinic_hw_mbox.h"
+
+#define HINIC_MBOX_INT_DST_FUNC_SHIFT 0
+#define HINIC_MBOX_INT_DST_AEQN_SHIFT 10
+#define HINIC_MBOX_INT_SRC_RESP_AEQN_SHIFT 12
+#define HINIC_MBOX_INT_STAT_DMA_SHIFT 14
+/* The size of data to be sended (unit of 4 bytes) */
+#define HINIC_MBOX_INT_TX_SIZE_SHIFT 20
+/* SO_RO(strong order, relax order) */
+#define HINIC_MBOX_INT_STAT_DMA_SO_RO_SHIFT 25
+#define HINIC_MBOX_INT_WB_EN_SHIFT 28
+
+#define HINIC_MBOX_INT_DST_FUNC_MASK 0x3FF
+#define HINIC_MBOX_INT_DST_AEQN_MASK 0x3
+#define HINIC_MBOX_INT_SRC_RESP_AEQN_MASK 0x3
+#define HINIC_MBOX_INT_STAT_DMA_MASK 0x3F
+#define HINIC_MBOX_INT_TX_SIZE_MASK 0x1F
+#define HINIC_MBOX_INT_STAT_DMA_SO_RO_MASK 0x3
+#define HINIC_MBOX_INT_WB_EN_MASK 0x1
+
+#define HINIC_MBOX_INT_SET(val, field) \
+ (((val) & HINIC_MBOX_INT_##field##_MASK) << \
+ HINIC_MBOX_INT_##field##_SHIFT)
+
+enum hinic_mbox_tx_status {
+ TX_NOT_DONE = 1,
+};
+
+#define HINIC_MBOX_CTRL_TRIGGER_AEQE_SHIFT 0
+
+/* specifies the issue request for the message data.
+ * 0 - Tx request is done;
+ * 1 - Tx request is in process.
+ */
+#define HINIC_MBOX_CTRL_TX_STATUS_SHIFT 1
+
+#define HINIC_MBOX_CTRL_TRIGGER_AEQE_MASK 0x1
+#define HINIC_MBOX_CTRL_TX_STATUS_MASK 0x1
+
+#define HINIC_MBOX_CTRL_SET(val, field) \
+ (((val) & HINIC_MBOX_CTRL_##field##_MASK) << \
+ HINIC_MBOX_CTRL_##field##_SHIFT)
+
+#define HINIC_MBOX_HEADER_MSG_LEN_SHIFT 0
+#define HINIC_MBOX_HEADER_MODULE_SHIFT 11
+#define HINIC_MBOX_HEADER_SEG_LEN_SHIFT 16
+#define HINIC_MBOX_HEADER_NO_ACK_SHIFT 22
+#define HINIC_MBOX_HEADER_SEQID_SHIFT 24
+#define HINIC_MBOX_HEADER_LAST_SHIFT 30
+
+/* specifies the mailbox message direction
+ * 0 - send
+ * 1 - receive
+ */
+#define HINIC_MBOX_HEADER_DIRECTION_SHIFT 31
+#define HINIC_MBOX_HEADER_CMD_SHIFT 32
+#define HINIC_MBOX_HEADER_MSG_ID_SHIFT 40
+#define HINIC_MBOX_HEADER_STATUS_SHIFT 48
+#define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_SHIFT 54
+
+#define HINIC_MBOX_HEADER_MSG_LEN_MASK 0x7FF
+#define HINIC_MBOX_HEADER_MODULE_MASK 0x1F
+#define HINIC_MBOX_HEADER_SEG_LEN_MASK 0x3F
+#define HINIC_MBOX_HEADER_NO_ACK_MASK 0x1
+#define HINIC_MBOX_HEADER_SEQID_MASK 0x3F
+#define HINIC_MBOX_HEADER_LAST_MASK 0x1
+#define HINIC_MBOX_HEADER_DIRECTION_MASK 0x1
+#define HINIC_MBOX_HEADER_CMD_MASK 0xFF
+#define HINIC_MBOX_HEADER_MSG_ID_MASK 0xFF
+#define HINIC_MBOX_HEADER_STATUS_MASK 0x3F
+#define HINIC_MBOX_HEADER_SRC_GLB_FUNC_IDX_MASK 0x3FF
+
+#define HINIC_MBOX_HEADER_GET(val, field) \
+ (((val) >> HINIC_MBOX_HEADER_##field##_SHIFT) & \
+ HINIC_MBOX_HEADER_##field##_MASK)
+#define HINIC_MBOX_HEADER_SET(val, field) \
+ ((u64)((val) & HINIC_MBOX_HEADER_##field##_MASK) << \
+ HINIC_MBOX_HEADER_##field##_SHIFT)
+
+#define MBOX_SEGLEN_MASK \
+ HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEG_LEN_MASK, SEG_LEN)
+
+#define HINIC_MBOX_SEG_LEN 48
+#define HINIC_MBOX_COMP_TIME 8000U
+#define MBOX_MSG_POLLING_TIMEOUT 8000
+
+#define HINIC_MBOX_DATA_SIZE 2040
+
+#define MBOX_MAX_BUF_SZ 2048UL
+#define MBOX_HEADER_SZ 8
+
+#define MBOX_INFO_SZ 4
+
+/* MBOX size is 64B, 8B for mbox_header, 4B reserved */
+#define MBOX_SEG_LEN 48
+#define MBOX_SEG_LEN_ALIGN 4
+#define MBOX_WB_STATUS_LEN 16UL
+
+/* mbox write back status is 16B, only first 4B is used */
+#define MBOX_WB_STATUS_ERRCODE_MASK 0xFFFF
+#define MBOX_WB_STATUS_MASK 0xFF
+#define MBOX_WB_ERROR_CODE_MASK 0xFF00
+#define MBOX_WB_STATUS_FINISHED_SUCCESS 0xFF
+#define MBOX_WB_STATUS_FINISHED_WITH_ERR 0xFE
+#define MBOX_WB_STATUS_NOT_FINISHED 0x00
+
+#define MBOX_STATUS_FINISHED(wb) \
+ (((wb) & MBOX_WB_STATUS_MASK) != MBOX_WB_STATUS_NOT_FINISHED)
+#define MBOX_STATUS_SUCCESS(wb) \
+ (((wb) & MBOX_WB_STATUS_MASK) == MBOX_WB_STATUS_FINISHED_SUCCESS)
+#define MBOX_STATUS_ERRCODE(wb) \
+ ((wb) & MBOX_WB_ERROR_CODE_MASK)
+
+#define SEQ_ID_START_VAL 0
+#define SEQ_ID_MAX_VAL 42
+
+#define DST_AEQ_IDX_DEFAULT_VAL 0
+#define SRC_AEQ_IDX_DEFAULT_VAL 0
+#define NO_DMA_ATTRIBUTE_VAL 0
+
+#define HINIC_MGMT_RSP_AEQN 0
+#define HINIC_MBOX_RSP_AEQN 2
+#define HINIC_MBOX_RECV_AEQN 0
+
+#define MBOX_MSG_NO_DATA_LEN 1
+
+#define MBOX_BODY_FROM_HDR(header) ((u8 *)(header) + MBOX_HEADER_SZ)
+#define MBOX_AREA(hwif) \
+ ((hwif)->cfg_regs_bar + HINIC_FUNC_CSR_MAILBOX_DATA_OFF)
+
+#define IS_PF_OR_PPF_SRC(src_func_idx) ((src_func_idx) < HINIC_MAX_PF_FUNCS)
+
+#define MBOX_RESPONSE_ERROR 0x1
+#define MBOX_MSG_ID_MASK 0xFF
+#define MBOX_MSG_ID(func_to_func) ((func_to_func)->send_msg_id)
+#define MBOX_MSG_ID_INC(func_to_func_mbox) (MBOX_MSG_ID(func_to_func_mbox) = \
+ (MBOX_MSG_ID(func_to_func_mbox) + 1) & MBOX_MSG_ID_MASK)
+
+#define FUNC_ID_OFF_SET_8B 8
+#define FUNC_ID_OFF_SET_10B 10
+
+/* max message counter wait to process for one function */
+#define HINIC_MAX_MSG_CNT_TO_PROCESS 10
+
+#define HINIC_QUEUE_MIN_DEPTH 6
+#define HINIC_QUEUE_MAX_DEPTH 12
+#define HINIC_MAX_RX_BUFFER_SIZE 15
+
+enum hinic_hwif_direction_type {
+ HINIC_HWIF_DIRECT_SEND = 0,
+ HINIC_HWIF_RESPONSE = 1,
+};
+
+enum mbox_send_mod {
+ MBOX_SEND_MSG_INT,
+};
+
+enum mbox_seg_type {
+ NOT_LAST_SEG,
+ LAST_SEG,
+};
+
+enum mbox_ordering_type {
+ STRONG_ORDER,
+};
+
+enum mbox_write_back_type {
+ WRITE_BACK = 1,
+};
+
+enum mbox_aeq_trig_type {
+ NOT_TRIGGER,
+ TRIGGER,
+};
+
+/**
+ * hinic_register_pf_mbox_cb - register mbox callback for pf
+ * @hwdev: the pointer to hw device
+ * @mod: specific mod that the callback will handle
+ * @callback: callback function
+ * Return: 0 - success, negative - failure
+ */
+int hinic_register_pf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod,
+ hinic_pf_mbox_cb callback)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+
+ if (mod >= HINIC_MOD_MAX)
+ return -EFAULT;
+
+ func_to_func->pf_mbox_cb[mod] = callback;
+
+ set_bit(HINIC_PF_MBOX_CB_REG, &func_to_func->pf_mbox_cb_state[mod]);
+
+ return 0;
+}
+
+/**
+ * hinic_register_vf_mbox_cb - register mbox callback for vf
+ * @hwdev: the pointer to hw device
+ * @mod: specific mod that the callback will handle
+ * @callback: callback function
+ * Return: 0 - success, negative - failure
+ */
+int hinic_register_vf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod,
+ hinic_vf_mbox_cb callback)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+
+ if (mod >= HINIC_MOD_MAX)
+ return -EFAULT;
+
+ func_to_func->vf_mbox_cb[mod] = callback;
+
+ set_bit(HINIC_VF_MBOX_CB_REG, &func_to_func->vf_mbox_cb_state[mod]);
+
+ return 0;
+}
+
+/**
+ * hinic_unregister_pf_mbox_cb - unregister the mbox callback for pf
+ * @hwdev: the pointer to hw device
+ * @mod: specific mod that the callback will handle
+ */
+void hinic_unregister_pf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+
+ clear_bit(HINIC_PF_MBOX_CB_REG, &func_to_func->pf_mbox_cb_state[mod]);
+
+ while (test_bit(HINIC_PF_MBOX_CB_RUNNING,
+ &func_to_func->pf_mbox_cb_state[mod]))
+ usleep_range(900, 1000);
+
+ func_to_func->pf_mbox_cb[mod] = NULL;
+}
+
+/**
+ * hinic_unregister_vf_mbox_cb - unregister the mbox callback for vf
+ * @hwdev: the pointer to hw device
+ * @mod: specific mod that the callback will handle
+ */
+void hinic_unregister_vf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+
+ clear_bit(HINIC_VF_MBOX_CB_REG, &func_to_func->vf_mbox_cb_state[mod]);
+
+ while (test_bit(HINIC_VF_MBOX_CB_RUNNING,
+ &func_to_func->vf_mbox_cb_state[mod]))
+ usleep_range(900, 1000);
+
+ func_to_func->vf_mbox_cb[mod] = NULL;
+}
+
+static int recv_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox,
+ void *buf_out, u16 *out_size)
+{
+ hinic_vf_mbox_cb cb;
+ int ret = 0;
+
+ if (recv_mbox->mod >= HINIC_MOD_MAX) {
+ dev_err(&func_to_func->hwif->pdev->dev, "Receive illegal mbox message, mod = %d\n",
+ recv_mbox->mod);
+ return -EINVAL;
+ }
+
+ set_bit(HINIC_VF_MBOX_CB_RUNNING,
+ &func_to_func->vf_mbox_cb_state[recv_mbox->mod]);
+
+ cb = func_to_func->vf_mbox_cb[recv_mbox->mod];
+ if (cb && test_bit(HINIC_VF_MBOX_CB_REG,
+ &func_to_func->vf_mbox_cb_state[recv_mbox->mod])) {
+ cb(func_to_func->hwdev, recv_mbox->cmd, recv_mbox->mbox,
+ recv_mbox->mbox_len, buf_out, out_size);
+ } else {
+ dev_err(&func_to_func->hwif->pdev->dev, "VF mbox cb is not registered\n");
+ ret = -EINVAL;
+ }
+
+ clear_bit(HINIC_VF_MBOX_CB_RUNNING,
+ &func_to_func->vf_mbox_cb_state[recv_mbox->mod]);
+
+ return ret;
+}
+
+static int
+recv_pf_from_vf_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox,
+ u16 src_func_idx, void *buf_out,
+ u16 *out_size)
+{
+ hinic_pf_mbox_cb cb;
+ u16 vf_id = 0;
+ int ret;
+
+ if (recv_mbox->mod >= HINIC_MOD_MAX) {
+ dev_err(&func_to_func->hwif->pdev->dev, "Receive illegal mbox message, mod = %d\n",
+ recv_mbox->mod);
+ return -EINVAL;
+ }
+
+ set_bit(HINIC_PF_MBOX_CB_RUNNING,
+ &func_to_func->pf_mbox_cb_state[recv_mbox->mod]);
+
+ cb = func_to_func->pf_mbox_cb[recv_mbox->mod];
+ if (cb && test_bit(HINIC_PF_MBOX_CB_REG,
+ &func_to_func->pf_mbox_cb_state[recv_mbox->mod])) {
+ vf_id = src_func_idx -
+ hinic_glb_pf_vf_offset(func_to_func->hwif);
+ ret = cb(func_to_func->hwdev, vf_id, recv_mbox->cmd,
+ recv_mbox->mbox, recv_mbox->mbox_len,
+ buf_out, out_size);
+ } else {
+ dev_err(&func_to_func->hwif->pdev->dev, "PF mbox mod(0x%x) cb is not registered\n",
+ recv_mbox->mod);
+ ret = -EINVAL;
+ }
+
+ clear_bit(HINIC_PF_MBOX_CB_RUNNING,
+ &func_to_func->pf_mbox_cb_state[recv_mbox->mod]);
+
+ return ret;
+}
+
+static bool check_mbox_seq_id_and_seg_len(struct hinic_recv_mbox *recv_mbox,
+ u8 seq_id, u8 seg_len)
+{
+ if (seq_id > SEQ_ID_MAX_VAL || seg_len > MBOX_SEG_LEN)
+ return false;
+
+ if (seq_id == 0) {
+ recv_mbox->seq_id = seq_id;
+ } else {
+ if (seq_id != recv_mbox->seq_id + 1)
+ return false;
+
+ recv_mbox->seq_id = seq_id;
+ }
+
+ return true;
+}
+
+static void resp_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox)
+{
+ spin_lock(&func_to_func->mbox_lock);
+ if (recv_mbox->msg_info.msg_id == func_to_func->send_msg_id &&
+ func_to_func->event_flag == EVENT_START)
+ complete(&recv_mbox->recv_done);
+ else
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Mbox response timeout, current send msg id(0x%x), recv msg id(0x%x), status(0x%x)\n",
+ func_to_func->send_msg_id, recv_mbox->msg_info.msg_id,
+ recv_mbox->msg_info.status);
+ spin_unlock(&func_to_func->mbox_lock);
+}
+
+static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox,
+ u16 src_func_idx);
+
+static void recv_func_mbox_work_handler(struct work_struct *work)
+{
+ struct hinic_mbox_work *mbox_work =
+ container_of(work, struct hinic_mbox_work, work);
+ struct hinic_recv_mbox *recv_mbox;
+
+ recv_func_mbox_handler(mbox_work->func_to_func, mbox_work->recv_mbox,
+ mbox_work->src_func_idx);
+
+ recv_mbox =
+ &mbox_work->func_to_func->mbox_send[mbox_work->src_func_idx];
+
+ atomic_dec(&recv_mbox->msg_cnt);
+
+ kfree(mbox_work);
+}
+
+static void recv_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ void *header, struct hinic_recv_mbox *recv_mbox)
+{
+ void *mbox_body = MBOX_BODY_FROM_HDR(header);
+ struct hinic_recv_mbox *rcv_mbox_temp = NULL;
+ u64 mbox_header = *((u64 *)header);
+ struct hinic_mbox_work *mbox_work;
+ u8 seq_id, seg_len;
+ u16 src_func_idx;
+ int pos;
+
+ seq_id = HINIC_MBOX_HEADER_GET(mbox_header, SEQID);
+ seg_len = HINIC_MBOX_HEADER_GET(mbox_header, SEG_LEN);
+ src_func_idx = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
+
+ if (!check_mbox_seq_id_and_seg_len(recv_mbox, seq_id, seg_len)) {
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Mailbox sequence and segment check fail, src func id: 0x%x, front id: 0x%x, current id: 0x%x, seg len: 0x%x\n",
+ src_func_idx, recv_mbox->seq_id, seq_id, seg_len);
+ recv_mbox->seq_id = SEQ_ID_MAX_VAL;
+ return;
+ }
+
+ pos = seq_id * MBOX_SEG_LEN;
+ memcpy((u8 *)recv_mbox->mbox + pos, mbox_body,
+ HINIC_MBOX_HEADER_GET(mbox_header, SEG_LEN));
+
+ if (!HINIC_MBOX_HEADER_GET(mbox_header, LAST))
+ return;
+
+ recv_mbox->cmd = HINIC_MBOX_HEADER_GET(mbox_header, CMD);
+ recv_mbox->mod = HINIC_MBOX_HEADER_GET(mbox_header, MODULE);
+ recv_mbox->mbox_len = HINIC_MBOX_HEADER_GET(mbox_header, MSG_LEN);
+ recv_mbox->ack_type = HINIC_MBOX_HEADER_GET(mbox_header, NO_ACK);
+ recv_mbox->msg_info.msg_id = HINIC_MBOX_HEADER_GET(mbox_header, MSG_ID);
+ recv_mbox->msg_info.status = HINIC_MBOX_HEADER_GET(mbox_header, STATUS);
+ recv_mbox->seq_id = SEQ_ID_MAX_VAL;
+
+ if (HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION) ==
+ HINIC_HWIF_RESPONSE) {
+ resp_mbox_handler(func_to_func, recv_mbox);
+ return;
+ }
+
+ if (atomic_read(&recv_mbox->msg_cnt) > HINIC_MAX_MSG_CNT_TO_PROCESS) {
+ dev_warn(&func_to_func->hwif->pdev->dev,
+ "This function(%u) have %d message wait to process,can't add to work queue\n",
+ src_func_idx, atomic_read(&recv_mbox->msg_cnt));
+ return;
+ }
+
+ rcv_mbox_temp = kmemdup(recv_mbox, sizeof(*rcv_mbox_temp), GFP_KERNEL);
+ if (!rcv_mbox_temp)
+ return;
+
+ rcv_mbox_temp->mbox = kmemdup(recv_mbox->mbox, MBOX_MAX_BUF_SZ,
+ GFP_KERNEL);
+ if (!rcv_mbox_temp->mbox)
+ goto err_alloc_rcv_mbox_msg;
+
+ rcv_mbox_temp->buf_out = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
+ if (!rcv_mbox_temp->buf_out)
+ goto err_alloc_rcv_mbox_buf;
+
+ mbox_work = kzalloc(sizeof(*mbox_work), GFP_KERNEL);
+ if (!mbox_work)
+ goto err_alloc_mbox_work;
+
+ mbox_work->func_to_func = func_to_func;
+ mbox_work->recv_mbox = rcv_mbox_temp;
+ mbox_work->src_func_idx = src_func_idx;
+
+ atomic_inc(&recv_mbox->msg_cnt);
+ INIT_WORK(&mbox_work->work, recv_func_mbox_work_handler);
+ queue_work(func_to_func->workq, &mbox_work->work);
+
+ return;
+
+err_alloc_mbox_work:
+ kfree(rcv_mbox_temp->buf_out);
+
+err_alloc_rcv_mbox_buf:
+ kfree(rcv_mbox_temp->mbox);
+
+err_alloc_rcv_mbox_msg:
+ kfree(rcv_mbox_temp);
+}
+
+void hinic_mbox_func_aeqe_handler(void *handle, void *header, u8 size)
+{
+ struct hinic_mbox_func_to_func *func_to_func;
+ u64 mbox_header = *((u64 *)header);
+ struct hinic_recv_mbox *recv_mbox;
+ u64 src, dir;
+
+ func_to_func = ((struct hinic_hwdev *)handle)->func_to_func;
+
+ dir = HINIC_MBOX_HEADER_GET(mbox_header, DIRECTION);
+ src = HINIC_MBOX_HEADER_GET(mbox_header, SRC_GLB_FUNC_IDX);
+
+ if (src >= HINIC_MAX_FUNCTIONS) {
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Mailbox source function id:%u is invalid\n", (u32)src);
+ return;
+ }
+
+ recv_mbox = (dir == HINIC_HWIF_DIRECT_SEND) ?
+ &func_to_func->mbox_send[src] :
+ &func_to_func->mbox_resp[src];
+
+ recv_mbox_handler(func_to_func, (u64 *)header, recv_mbox);
+}
+
+void hinic_mbox_self_aeqe_handler(void *handle, void *header, u8 size)
+{
+ struct hinic_mbox_func_to_func *func_to_func;
+ struct hinic_send_mbox *send_mbox;
+
+ func_to_func = ((struct hinic_hwdev *)handle)->func_to_func;
+ send_mbox = &func_to_func->send_mbox;
+
+ complete(&send_mbox->send_done);
+}
+
+static void clear_mbox_status(struct hinic_send_mbox *mbox)
+{
+ *mbox->wb_status = 0;
+
+ /* clear mailbox write back status */
+ wmb();
+}
+
+static void mbox_copy_header(struct hinic_hwdev *hwdev,
+ struct hinic_send_mbox *mbox, u64 *header)
+{
+ u32 i, idx_max = MBOX_HEADER_SZ / sizeof(u32);
+ u32 *data = (u32 *)header;
+
+ for (i = 0; i < idx_max; i++)
+ __raw_writel(*(data + i), mbox->data + i * sizeof(u32));
+}
+
+static void mbox_copy_send_data(struct hinic_hwdev *hwdev,
+ struct hinic_send_mbox *mbox, void *seg,
+ u16 seg_len)
+{
+ u8 mbox_max_buf[MBOX_SEG_LEN] = {0};
+ u32 data_len, chk_sz = sizeof(u32);
+ u32 *data = seg;
+ u32 i, idx_max;
+
+ /* The mbox message should be aligned in 4 bytes. */
+ if (seg_len % chk_sz) {
+ memcpy(mbox_max_buf, seg, seg_len);
+ data = (u32 *)mbox_max_buf;
+ }
+
+ data_len = seg_len;
+ idx_max = ALIGN(data_len, chk_sz) / chk_sz;
+
+ for (i = 0; i < idx_max; i++)
+ __raw_writel(*(data + i),
+ mbox->data + MBOX_HEADER_SZ + i * sizeof(u32));
+}
+
+static void write_mbox_msg_attr(struct hinic_mbox_func_to_func *func_to_func,
+ u16 dst_func, u16 dst_aeqn, u16 seg_len,
+ int poll)
+{
+ u16 rsp_aeq = (dst_aeqn == 0) ? 0 : HINIC_MBOX_RSP_AEQN;
+ u32 mbox_int, mbox_ctrl;
+
+ mbox_int = HINIC_MBOX_INT_SET(dst_func, DST_FUNC) |
+ HINIC_MBOX_INT_SET(dst_aeqn, DST_AEQN) |
+ HINIC_MBOX_INT_SET(rsp_aeq, SRC_RESP_AEQN) |
+ HINIC_MBOX_INT_SET(NO_DMA_ATTRIBUTE_VAL, STAT_DMA) |
+ HINIC_MBOX_INT_SET(ALIGN(MBOX_SEG_LEN + MBOX_HEADER_SZ +
+ MBOX_INFO_SZ, MBOX_SEG_LEN_ALIGN) >> 2,
+ TX_SIZE) |
+ HINIC_MBOX_INT_SET(STRONG_ORDER, STAT_DMA_SO_RO) |
+ HINIC_MBOX_INT_SET(WRITE_BACK, WB_EN);
+
+ hinic_hwif_write_reg(func_to_func->hwif,
+ HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF, mbox_int);
+
+ wmb(); /* writing the mbox int attributes */
+ mbox_ctrl = HINIC_MBOX_CTRL_SET(TX_NOT_DONE, TX_STATUS);
+
+ if (poll)
+ mbox_ctrl |= HINIC_MBOX_CTRL_SET(NOT_TRIGGER, TRIGGER_AEQE);
+ else
+ mbox_ctrl |= HINIC_MBOX_CTRL_SET(TRIGGER, TRIGGER_AEQE);
+
+ hinic_hwif_write_reg(func_to_func->hwif,
+ HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF, mbox_ctrl);
+}
+
+static void dump_mox_reg(struct hinic_hwdev *hwdev)
+{
+ u32 val;
+
+ val = hinic_hwif_read_reg(hwdev->hwif,
+ HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF);
+ dev_err(&hwdev->hwif->pdev->dev, "Mailbox control reg: 0x%x\n", val);
+
+ val = hinic_hwif_read_reg(hwdev->hwif,
+ HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF);
+ dev_err(&hwdev->hwif->pdev->dev, "Mailbox interrupt offset: 0x%x\n",
+ val);
+}
+
+static u16 get_mbox_status(struct hinic_send_mbox *mbox)
+{
+ /* write back is 16B, but only use first 4B */
+ u64 wb_val = be64_to_cpu(*mbox->wb_status);
+
+ rmb(); /* verify reading before check */
+
+ return (u16)(wb_val & MBOX_WB_STATUS_ERRCODE_MASK);
+}
+
+static int
+wait_for_mbox_seg_completion(struct hinic_mbox_func_to_func *func_to_func,
+ int poll, u16 *wb_status)
+{
+ struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
+ struct hinic_hwdev *hwdev = func_to_func->hwdev;
+ struct completion *done = &send_mbox->send_done;
+ u32 cnt = 0;
+ unsigned long jif;
+
+ if (poll) {
+ while (cnt < MBOX_MSG_POLLING_TIMEOUT) {
+ *wb_status = get_mbox_status(send_mbox);
+ if (MBOX_STATUS_FINISHED(*wb_status))
+ break;
+
+ usleep_range(900, 1000);
+ cnt++;
+ }
+
+ if (cnt == MBOX_MSG_POLLING_TIMEOUT) {
+ dev_err(&hwdev->hwif->pdev->dev, "Send mailbox segment timeout, wb status: 0x%x\n",
+ *wb_status);
+ dump_mox_reg(hwdev);
+ return -ETIMEDOUT;
+ }
+ } else {
+ jif = msecs_to_jiffies(HINIC_MBOX_COMP_TIME);
+ if (!wait_for_completion_timeout(done, jif)) {
+ dev_err(&hwdev->hwif->pdev->dev, "Send mailbox segment timeout\n");
+ dump_mox_reg(hwdev);
+ return -ETIMEDOUT;
+ }
+
+ *wb_status = get_mbox_status(send_mbox);
+ }
+
+ return 0;
+}
+
+static int send_mbox_seg(struct hinic_mbox_func_to_func *func_to_func,
+ u64 header, u16 dst_func, void *seg, u16 seg_len,
+ int poll, void *msg_info)
+{
+ struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
+ u16 seq_dir = HINIC_MBOX_HEADER_GET(header, DIRECTION);
+ struct hinic_hwdev *hwdev = func_to_func->hwdev;
+ struct completion *done = &send_mbox->send_done;
+ u8 num_aeqs = hwdev->hwif->attr.num_aeqs;
+ u16 dst_aeqn, wb_status = 0, errcode;
+
+ if (num_aeqs >= 4)
+ dst_aeqn = (seq_dir == HINIC_HWIF_DIRECT_SEND) ?
+ HINIC_MBOX_RECV_AEQN : HINIC_MBOX_RSP_AEQN;
+ else
+ dst_aeqn = 0;
+
+ if (!poll)
+ init_completion(done);
+
+ clear_mbox_status(send_mbox);
+
+ mbox_copy_header(hwdev, send_mbox, &header);
+
+ mbox_copy_send_data(hwdev, send_mbox, seg, seg_len);
+
+ write_mbox_msg_attr(func_to_func, dst_func, dst_aeqn, seg_len, poll);
+
+ wmb(); /* writing the mbox msg attributes */
+
+ if (wait_for_mbox_seg_completion(func_to_func, poll, &wb_status))
+ return -ETIMEDOUT;
+
+ if (!MBOX_STATUS_SUCCESS(wb_status)) {
+ dev_err(&hwdev->hwif->pdev->dev, "Send mailbox segment to function %d error, wb status: 0x%x\n",
+ dst_func, wb_status);
+ errcode = MBOX_STATUS_ERRCODE(wb_status);
+ return errcode ? errcode : -EFAULT;
+ }
+
+ return 0;
+}
+
+static int send_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
+ enum hinic_mod_type mod, u16 cmd, void *msg,
+ u16 msg_len, u16 dst_func,
+ enum hinic_hwif_direction_type direction,
+ enum hinic_mbox_ack_type ack_type,
+ struct mbox_msg_info *msg_info)
+{
+ struct hinic_hwdev *hwdev = func_to_func->hwdev;
+ u16 seg_len = MBOX_SEG_LEN;
+ u8 *msg_seg = (u8 *)msg;
+ u16 left = msg_len;
+ u32 seq_id = 0;
+ u64 header = 0;
+ int err = 0;
+
+ down(&func_to_func->msg_send_sem);
+
+ header = HINIC_MBOX_HEADER_SET(msg_len, MSG_LEN) |
+ HINIC_MBOX_HEADER_SET(mod, MODULE) |
+ HINIC_MBOX_HEADER_SET(seg_len, SEG_LEN) |
+ HINIC_MBOX_HEADER_SET(ack_type, NO_ACK) |
+ HINIC_MBOX_HEADER_SET(SEQ_ID_START_VAL, SEQID) |
+ HINIC_MBOX_HEADER_SET(NOT_LAST_SEG, LAST) |
+ HINIC_MBOX_HEADER_SET(direction, DIRECTION) |
+ HINIC_MBOX_HEADER_SET(cmd, CMD) |
+ /* The vf's offset to it's associated pf */
+ HINIC_MBOX_HEADER_SET(msg_info->msg_id, MSG_ID) |
+ HINIC_MBOX_HEADER_SET(msg_info->status, STATUS) |
+ HINIC_MBOX_HEADER_SET(hinic_global_func_id_hw(hwdev->hwif),
+ SRC_GLB_FUNC_IDX);
+
+ while (!(HINIC_MBOX_HEADER_GET(header, LAST))) {
+ if (left <= HINIC_MBOX_SEG_LEN) {
+ header &= ~MBOX_SEGLEN_MASK;
+ header |= HINIC_MBOX_HEADER_SET(left, SEG_LEN);
+ header |= HINIC_MBOX_HEADER_SET(LAST_SEG, LAST);
+
+ seg_len = left;
+ }
+
+ err = send_mbox_seg(func_to_func, header, dst_func, msg_seg,
+ seg_len, MBOX_SEND_MSG_INT, msg_info);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to send mbox seg, seq_id=0x%llx\n",
+ HINIC_MBOX_HEADER_GET(header, SEQID));
+ goto err_send_mbox_seg;
+ }
+
+ left -= HINIC_MBOX_SEG_LEN;
+ msg_seg += HINIC_MBOX_SEG_LEN;
+
+ seq_id++;
+ header &= ~(HINIC_MBOX_HEADER_SET(HINIC_MBOX_HEADER_SEQID_MASK,
+ SEQID));
+ header |= HINIC_MBOX_HEADER_SET(seq_id, SEQID);
+ }
+
+err_send_mbox_seg:
+ up(&func_to_func->msg_send_sem);
+
+ return err;
+}
+
+static void
+response_for_recv_func_mbox(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox, int err,
+ u16 out_size, u16 src_func_idx)
+{
+ struct mbox_msg_info msg_info = {0};
+
+ if (recv_mbox->ack_type == MBOX_ACK) {
+ msg_info.msg_id = recv_mbox->msg_info.msg_id;
+ if (err == HINIC_MBOX_PF_BUSY_ACTIVE_FW)
+ msg_info.status = HINIC_MBOX_PF_BUSY_ACTIVE_FW;
+ else if (err == HINIC_MBOX_VF_CMD_ERROR)
+ msg_info.status = HINIC_MBOX_VF_CMD_ERROR;
+ else if (err)
+ msg_info.status = HINIC_MBOX_PF_SEND_ERR;
+
+ /* if no data needs to response, set out_size to 1 */
+ if (!out_size || err)
+ out_size = MBOX_MSG_NO_DATA_LEN;
+
+ send_mbox_to_func(func_to_func, recv_mbox->mod, recv_mbox->cmd,
+ recv_mbox->buf_out, out_size, src_func_idx,
+ HINIC_HWIF_RESPONSE, MBOX_ACK,
+ &msg_info);
+ }
+}
+
+static void recv_func_mbox_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *recv_mbox,
+ u16 src_func_idx)
+{
+ void *buf_out = recv_mbox->buf_out;
+ u16 out_size = MBOX_MAX_BUF_SZ;
+ int err = 0;
+
+ if (HINIC_IS_VF(func_to_func->hwif)) {
+ err = recv_vf_mbox_handler(func_to_func, recv_mbox, buf_out,
+ &out_size);
+ } else {
+ if (IS_PF_OR_PPF_SRC(src_func_idx))
+ dev_warn(&func_to_func->hwif->pdev->dev,
+ "Unsupported pf2pf mbox msg\n");
+ else
+ err = recv_pf_from_vf_mbox_handler(func_to_func,
+ recv_mbox,
+ src_func_idx,
+ buf_out, &out_size);
+ }
+
+ response_for_recv_func_mbox(func_to_func, recv_mbox, err, out_size,
+ src_func_idx);
+ kfree(recv_mbox->buf_out);
+ kfree(recv_mbox->mbox);
+ kfree(recv_mbox);
+}
+
+static void set_mbox_to_func_event(struct hinic_mbox_func_to_func *func_to_func,
+ enum mbox_event_state event_flag)
+{
+ spin_lock(&func_to_func->mbox_lock);
+ func_to_func->event_flag = event_flag;
+ spin_unlock(&func_to_func->mbox_lock);
+}
+
+static int mbox_resp_info_handler(struct hinic_mbox_func_to_func *func_to_func,
+ struct hinic_recv_mbox *mbox_for_resp,
+ enum hinic_mod_type mod, u16 cmd,
+ void *buf_out, u16 *out_size)
+{
+ int err;
+
+ if (mbox_for_resp->msg_info.status) {
+ err = mbox_for_resp->msg_info.status;
+ if (err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
+ dev_err(&func_to_func->hwif->pdev->dev, "Mbox response error(0x%x)\n",
+ mbox_for_resp->msg_info.status);
+ return err;
+ }
+
+ if (buf_out && out_size) {
+ if (*out_size < mbox_for_resp->mbox_len) {
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Invalid response mbox message length: %d for mod %d cmd %d, should less than: %d\n",
+ mbox_for_resp->mbox_len, mod, cmd, *out_size);
+ return -EFAULT;
+ }
+
+ if (mbox_for_resp->mbox_len)
+ memcpy(buf_out, mbox_for_resp->mbox,
+ mbox_for_resp->mbox_len);
+
+ *out_size = mbox_for_resp->mbox_len;
+ }
+
+ return 0;
+}
+
+int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
+ enum hinic_mod_type mod, u16 cmd, u16 dst_func,
+ void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size, u32 timeout)
+{
+ struct hinic_recv_mbox *mbox_for_resp;
+ struct mbox_msg_info msg_info = {0};
+ unsigned long timeo;
+ int err;
+
+ mbox_for_resp = &func_to_func->mbox_resp[dst_func];
+
+ down(&func_to_func->mbox_send_sem);
+
+ init_completion(&mbox_for_resp->recv_done);
+
+ msg_info.msg_id = MBOX_MSG_ID_INC(func_to_func);
+
+ set_mbox_to_func_event(func_to_func, EVENT_START);
+
+ err = send_mbox_to_func(func_to_func, mod, cmd, buf_in, in_size,
+ dst_func, HINIC_HWIF_DIRECT_SEND, MBOX_ACK,
+ &msg_info);
+ if (err) {
+ dev_err(&func_to_func->hwif->pdev->dev, "Send mailbox failed, msg_id: %d\n",
+ msg_info.msg_id);
+ set_mbox_to_func_event(func_to_func, EVENT_FAIL);
+ goto err_send_mbox;
+ }
+
+ timeo = msecs_to_jiffies(timeout ? timeout : HINIC_MBOX_COMP_TIME);
+ if (!wait_for_completion_timeout(&mbox_for_resp->recv_done, timeo)) {
+ set_mbox_to_func_event(func_to_func, EVENT_TIMEOUT);
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Send mbox msg timeout, msg_id: %d\n", msg_info.msg_id);
+ err = -ETIMEDOUT;
+ goto err_send_mbox;
+ }
+
+ set_mbox_to_func_event(func_to_func, EVENT_END);
+
+ err = mbox_resp_info_handler(func_to_func, mbox_for_resp, mod, cmd,
+ buf_out, out_size);
+
+err_send_mbox:
+ up(&func_to_func->mbox_send_sem);
+
+ return err;
+}
+
+static int mbox_func_params_valid(struct hinic_mbox_func_to_func *func_to_func,
+ void *buf_in, u16 in_size)
+{
+ if (in_size > HINIC_MBOX_DATA_SIZE) {
+ dev_err(&func_to_func->hwif->pdev->dev,
+ "Mbox msg len(%d) exceed limit(%d)\n",
+ in_size, HINIC_MBOX_DATA_SIZE);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int hinic_mbox_to_pf(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size, u32 timeout)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+ int err = mbox_func_params_valid(func_to_func, buf_in, in_size);
+
+ if (err)
+ return err;
+
+ if (!HINIC_IS_VF(hwdev->hwif)) {
+ dev_err(&hwdev->hwif->pdev->dev, "Params error, func_type: %d\n",
+ HINIC_FUNC_TYPE(hwdev->hwif));
+ return -EINVAL;
+ }
+
+ return hinic_mbox_to_func(func_to_func, mod, cmd,
+ hinic_pf_id_of_vf_hw(hwdev->hwif), buf_in,
+ in_size, buf_out, out_size, timeout);
+}
+
+int hinic_mbox_to_vf(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size, u32 timeout)
+{
+ struct hinic_mbox_func_to_func *func_to_func;
+ u16 dst_func_idx;
+ int err;
+
+ if (!hwdev)
+ return -EINVAL;
+
+ func_to_func = hwdev->func_to_func;
+ err = mbox_func_params_valid(func_to_func, buf_in, in_size);
+ if (err)
+ return err;
+
+ if (HINIC_IS_VF(hwdev->hwif)) {
+ dev_err(&hwdev->hwif->pdev->dev, "Params error, func_type: %d\n",
+ HINIC_FUNC_TYPE(hwdev->hwif));
+ return -EINVAL;
+ }
+
+ if (!vf_id) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "VF id(%d) error!\n", vf_id);
+ return -EINVAL;
+ }
+
+ /* vf_offset_to_pf + vf_id is the vf's global function id of vf in
+ * this pf
+ */
+ dst_func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+
+ return hinic_mbox_to_func(func_to_func, mod, cmd, dst_func_idx, buf_in,
+ in_size, buf_out, out_size, timeout);
+}
+
+static int init_mbox_info(struct hinic_recv_mbox *mbox_info)
+{
+ int err;
+
+ mbox_info->seq_id = SEQ_ID_MAX_VAL;
+
+ mbox_info->mbox = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
+ if (!mbox_info->mbox)
+ return -ENOMEM;
+
+ mbox_info->buf_out = kzalloc(MBOX_MAX_BUF_SZ, GFP_KERNEL);
+ if (!mbox_info->buf_out) {
+ err = -ENOMEM;
+ goto err_alloc_buf_out;
+ }
+
+ atomic_set(&mbox_info->msg_cnt, 0);
+
+ return 0;
+
+err_alloc_buf_out:
+ kfree(mbox_info->mbox);
+
+ return err;
+}
+
+static void clean_mbox_info(struct hinic_recv_mbox *mbox_info)
+{
+ kfree(mbox_info->buf_out);
+ kfree(mbox_info->mbox);
+}
+
+static int alloc_mbox_info(struct hinic_hwdev *hwdev,
+ struct hinic_recv_mbox *mbox_info)
+{
+ u16 func_idx, i;
+ int err;
+
+ for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++) {
+ err = init_mbox_info(&mbox_info[func_idx]);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to init function %d mbox info\n",
+ func_idx);
+ goto err_init_mbox_info;
+ }
+ }
+
+ return 0;
+
+err_init_mbox_info:
+ for (i = 0; i < func_idx; i++)
+ clean_mbox_info(&mbox_info[i]);
+
+ return err;
+}
+
+static void free_mbox_info(struct hinic_recv_mbox *mbox_info)
+{
+ u16 func_idx;
+
+ for (func_idx = 0; func_idx < HINIC_MAX_FUNCTIONS; func_idx++)
+ clean_mbox_info(&mbox_info[func_idx]);
+}
+
+static void prepare_send_mbox(struct hinic_mbox_func_to_func *func_to_func)
+{
+ struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
+
+ send_mbox->data = MBOX_AREA(func_to_func->hwif);
+}
+
+static int alloc_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
+{
+ struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
+ struct hinic_hwdev *hwdev = func_to_func->hwdev;
+ u32 addr_h, addr_l;
+
+ send_mbox->wb_vaddr = dma_alloc_coherent(&hwdev->hwif->pdev->dev,
+ MBOX_WB_STATUS_LEN,
+ &send_mbox->wb_paddr,
+ GFP_KERNEL);
+ if (!send_mbox->wb_vaddr)
+ return -ENOMEM;
+
+ send_mbox->wb_status = send_mbox->wb_vaddr;
+
+ addr_h = upper_32_bits(send_mbox->wb_paddr);
+ addr_l = lower_32_bits(send_mbox->wb_paddr);
+
+ hinic_hwif_write_reg(hwdev->hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF,
+ addr_h);
+ hinic_hwif_write_reg(hwdev->hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF,
+ addr_l);
+
+ return 0;
+}
+
+static void free_mbox_wb_status(struct hinic_mbox_func_to_func *func_to_func)
+{
+ struct hinic_send_mbox *send_mbox = &func_to_func->send_mbox;
+ struct hinic_hwdev *hwdev = func_to_func->hwdev;
+
+ hinic_hwif_write_reg(hwdev->hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF,
+ 0);
+ hinic_hwif_write_reg(hwdev->hwif, HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF,
+ 0);
+
+ dma_free_coherent(&hwdev->hwif->pdev->dev, MBOX_WB_STATUS_LEN,
+ send_mbox->wb_vaddr,
+ send_mbox->wb_paddr);
+}
+
+static int comm_pf_mbox_handler(void *handle, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size)
+{
+ struct hinic_hwdev *hwdev = handle;
+ struct hinic_pfhwdev *pfhwdev;
+ int err = 0;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ if (cmd == HINIC_COMM_CMD_START_FLR) {
+ *out_size = 0;
+ } else {
+ err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_COMM,
+ cmd, buf_in, in_size, buf_out, out_size,
+ HINIC_MGMT_MSG_SYNC);
+ if (err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
+ dev_err(&hwdev->hwif->pdev->dev,
+ "PF mbox common callback handler err: %d\n",
+ err);
+ }
+
+ return err;
+}
+
+int hinic_func_to_func_init(struct hinic_hwdev *hwdev)
+{
+ struct hinic_mbox_func_to_func *func_to_func;
+ struct hinic_pfhwdev *pfhwdev;
+ int err;
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+ func_to_func = kzalloc(sizeof(*func_to_func), GFP_KERNEL);
+ if (!func_to_func)
+ return -ENOMEM;
+
+ hwdev->func_to_func = func_to_func;
+ func_to_func->hwdev = hwdev;
+ func_to_func->hwif = hwdev->hwif;
+ sema_init(&func_to_func->mbox_send_sem, 1);
+ sema_init(&func_to_func->msg_send_sem, 1);
+ spin_lock_init(&func_to_func->mbox_lock);
+ func_to_func->workq = create_singlethread_workqueue(HINIC_MBOX_WQ_NAME);
+ if (!func_to_func->workq) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to initialize MBOX workqueue\n");
+ err = -ENOMEM;
+ goto err_create_mbox_workq;
+ }
+
+ err = alloc_mbox_info(hwdev, func_to_func->mbox_send);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to alloc mem for mbox_active\n");
+ goto err_alloc_mbox_for_send;
+ }
+
+ err = alloc_mbox_info(hwdev, func_to_func->mbox_resp);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to alloc mem for mbox_passive\n");
+ goto err_alloc_mbox_for_resp;
+ }
+
+ err = alloc_mbox_wb_status(func_to_func);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to alloc mbox write back status\n");
+ goto err_alloc_wb_status;
+ }
+
+ prepare_send_mbox(func_to_func);
+
+ hinic_aeq_register_hw_cb(&hwdev->aeqs, HINIC_MBX_FROM_FUNC,
+ &pfhwdev->hwdev, hinic_mbox_func_aeqe_handler);
+ hinic_aeq_register_hw_cb(&hwdev->aeqs, HINIC_MBX_SEND_RSLT,
+ &pfhwdev->hwdev, hinic_mbox_self_aeqe_handler);
+
+ if (!HINIC_IS_VF(hwdev->hwif))
+ hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_COMM,
+ comm_pf_mbox_handler);
+
+ return 0;
+
+err_alloc_wb_status:
+ free_mbox_info(func_to_func->mbox_resp);
+
+err_alloc_mbox_for_resp:
+ free_mbox_info(func_to_func->mbox_send);
+
+err_alloc_mbox_for_send:
+ destroy_workqueue(func_to_func->workq);
+
+err_create_mbox_workq:
+ kfree(func_to_func);
+
+ return err;
+}
+
+void hinic_func_to_func_free(struct hinic_hwdev *hwdev)
+{
+ struct hinic_mbox_func_to_func *func_to_func = hwdev->func_to_func;
+
+ hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MBX_FROM_FUNC);
+ hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MBX_SEND_RSLT);
+
+ hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_COMM);
+ /* destroy workqueue before free related mbox resources in case of
+ * illegal resource access
+ */
+ destroy_workqueue(func_to_func->workq);
+
+ free_mbox_wb_status(func_to_func);
+ free_mbox_info(func_to_func->mbox_resp);
+ free_mbox_info(func_to_func->mbox_send);
+
+ kfree(func_to_func);
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.h
new file mode 100644
index 000000000000..7b18559bfe80
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mbox.h
@@ -0,0 +1,154 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+
+#ifndef HINIC_MBOX_H_
+#define HINIC_MBOX_H_
+
+#define HINIC_MBOX_PF_SEND_ERR 0x1
+#define HINIC_MBOX_PF_BUSY_ACTIVE_FW 0x2
+#define HINIC_MBOX_VF_CMD_ERROR 0x3
+
+#define HINIC_MAX_FUNCTIONS 512
+
+#define HINIC_MAX_PF_FUNCS 16
+
+#define HINIC_MBOX_WQ_NAME "hinic_mbox"
+
+#define HINIC_FUNC_CSR_MAILBOX_DATA_OFF 0x80
+#define HINIC_FUNC_CSR_MAILBOX_CONTROL_OFF 0x0100
+#define HINIC_FUNC_CSR_MAILBOX_INT_OFFSET_OFF 0x0104
+#define HINIC_FUNC_CSR_MAILBOX_RESULT_H_OFF 0x0108
+#define HINIC_FUNC_CSR_MAILBOX_RESULT_L_OFF 0x010C
+
+enum hinic_mbox_ack_type {
+ MBOX_ACK,
+ MBOX_NO_ACK,
+};
+
+struct mbox_msg_info {
+ u8 msg_id;
+ u8 status;
+};
+
+struct hinic_recv_mbox {
+ struct completion recv_done;
+ void *mbox;
+ u8 cmd;
+ enum hinic_mod_type mod;
+ u16 mbox_len;
+ void *buf_out;
+ enum hinic_mbox_ack_type ack_type;
+ struct mbox_msg_info msg_info;
+ u8 seq_id;
+ atomic_t msg_cnt;
+};
+
+struct hinic_send_mbox {
+ struct completion send_done;
+ u8 *data;
+
+ u64 *wb_status;
+ void *wb_vaddr;
+ dma_addr_t wb_paddr;
+};
+
+typedef void (*hinic_vf_mbox_cb)(void *handle, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size);
+typedef int (*hinic_pf_mbox_cb)(void *handle, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size);
+
+enum mbox_event_state {
+ EVENT_START = 0,
+ EVENT_FAIL,
+ EVENT_TIMEOUT,
+ EVENT_END,
+};
+
+enum hinic_mbox_cb_state {
+ HINIC_VF_MBOX_CB_REG = 0,
+ HINIC_VF_MBOX_CB_RUNNING,
+ HINIC_PF_MBOX_CB_REG,
+ HINIC_PF_MBOX_CB_RUNNING,
+ HINIC_PPF_MBOX_CB_REG,
+ HINIC_PPF_MBOX_CB_RUNNING,
+ HINIC_PPF_TO_PF_MBOX_CB_REG,
+ HINIC_PPF_TO_PF_MBOX_CB_RUNNIG,
+};
+
+struct hinic_mbox_func_to_func {
+ struct hinic_hwdev *hwdev;
+ struct hinic_hwif *hwif;
+
+ struct semaphore mbox_send_sem;
+ struct semaphore msg_send_sem;
+ struct hinic_send_mbox send_mbox;
+
+ struct workqueue_struct *workq;
+
+ struct hinic_recv_mbox mbox_resp[HINIC_MAX_FUNCTIONS];
+ struct hinic_recv_mbox mbox_send[HINIC_MAX_FUNCTIONS];
+
+ hinic_vf_mbox_cb vf_mbox_cb[HINIC_MOD_MAX];
+ hinic_pf_mbox_cb pf_mbox_cb[HINIC_MOD_MAX];
+ unsigned long pf_mbox_cb_state[HINIC_MOD_MAX];
+ unsigned long vf_mbox_cb_state[HINIC_MOD_MAX];
+
+ u8 send_msg_id;
+ enum mbox_event_state event_flag;
+
+ /* lock for mbox event flag */
+ spinlock_t mbox_lock;
+};
+
+struct hinic_mbox_work {
+ struct work_struct work;
+ u16 src_func_idx;
+ struct hinic_mbox_func_to_func *func_to_func;
+ struct hinic_recv_mbox *recv_mbox;
+};
+
+struct vf_cmd_msg_handle {
+ u8 cmd;
+ int (*cmd_msg_handler)(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size);
+};
+
+int hinic_register_pf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod,
+ hinic_pf_mbox_cb callback);
+
+int hinic_register_vf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod,
+ hinic_vf_mbox_cb callback);
+
+void hinic_unregister_pf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod);
+
+void hinic_unregister_vf_mbox_cb(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod);
+
+void hinic_mbox_func_aeqe_handler(void *handle, void *header, u8 size);
+
+void hinic_mbox_self_aeqe_handler(void *handle, void *header, u8 size);
+
+int hinic_func_to_func_init(struct hinic_hwdev *hwdev);
+
+void hinic_func_to_func_free(struct hinic_hwdev *hwdev);
+
+int hinic_mbox_to_pf(struct hinic_hwdev *hwdev, enum hinic_mod_type mod,
+ u8 cmd, void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size, u32 timeout);
+
+int hinic_mbox_to_func(struct hinic_mbox_func_to_func *func_to_func,
+ enum hinic_mod_type mod, u16 cmd, u16 dst_func,
+ void *buf_in, u16 in_size, void *buf_out,
+ u16 *out_size, u32 timeout);
+
+int hinic_mbox_to_vf(struct hinic_hwdev *hwdev,
+ enum hinic_mod_type mod, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size, u32 timeout);
+
+#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
index 8995e32dd1c0..c33eb1147055 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -45,6 +45,8 @@
#define MGMT_MSG_TIMEOUT 5000
+#define SET_FUNC_PORT_MGMT_TIMEOUT 25000
+
#define mgmt_to_pfhwdev(pf_mgmt) \
container_of(pf_mgmt, struct hinic_pfhwdev, pf_to_mgmt)
@@ -238,12 +240,13 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
u8 *buf_in, u16 in_size,
u8 *buf_out, u16 *out_size,
enum mgmt_direction_type direction,
- u16 resp_msg_id)
+ u16 resp_msg_id, u32 timeout)
{
struct hinic_hwif *hwif = pf_to_mgmt->hwif;
struct pci_dev *pdev = hwif->pdev;
struct hinic_recv_msg *recv_msg;
struct completion *recv_done;
+ unsigned long timeo;
u16 msg_id;
int err;
@@ -267,8 +270,9 @@ static int msg_to_mgmt_sync(struct hinic_pf_to_mgmt *pf_to_mgmt,
goto unlock_sync_msg;
}
- if (!wait_for_completion_timeout(recv_done,
- msecs_to_jiffies(MGMT_MSG_TIMEOUT))) {
+ timeo = msecs_to_jiffies(timeout ? timeout : MGMT_MSG_TIMEOUT);
+
+ if (!wait_for_completion_timeout(recv_done, timeo)) {
dev_err(&pdev->dev, "MGMT timeout, MSG id = %d\n", msg_id);
err = -ETIMEDOUT;
goto unlock_sync_msg;
@@ -342,6 +346,7 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
{
struct hinic_hwif *hwif = pf_to_mgmt->hwif;
struct pci_dev *pdev = hwif->pdev;
+ u32 timeout = 0;
if (sync != HINIC_MGMT_MSG_SYNC) {
dev_err(&pdev->dev, "Invalid MGMT msg type\n");
@@ -353,9 +358,16 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
return -EINVAL;
}
- return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size,
+ if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE)
+ timeout = SET_FUNC_PORT_MGMT_TIMEOUT;
+
+ if (HINIC_IS_VF(hwif))
+ return hinic_mbox_to_pf(pf_to_mgmt->hwdev, mod, cmd, buf_in,
+ in_size, buf_out, out_size, 0);
+ else
+ return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size,
buf_out, out_size, MGMT_DIRECT_SEND,
- MSG_NOT_RESP);
+ MSG_NOT_RESP, timeout);
}
/**
@@ -390,8 +402,8 @@ static void mgmt_recv_msg_handler(struct hinic_pf_to_mgmt *pf_to_mgmt,
recv_msg->msg, recv_msg->msg_len,
buf_out, &out_size);
else
- dev_err(&pdev->dev, "No MGMT msg handler, mod = %d\n",
- recv_msg->mod);
+ dev_err(&pdev->dev, "No MGMT msg handler, mod: %d, cmd: %d\n",
+ recv_msg->mod, recv_msg->cmd);
mgmt_cb->state &= ~HINIC_MGMT_CB_RUNNING;
@@ -553,6 +565,10 @@ int hinic_pf_to_mgmt_init(struct hinic_pf_to_mgmt *pf_to_mgmt,
int err;
pf_to_mgmt->hwif = hwif;
+ pf_to_mgmt->hwdev = hwdev;
+
+ if (HINIC_IS_VF(hwif))
+ return 0;
sema_init(&pf_to_mgmt->sync_msg_lock, 1);
pf_to_mgmt->sync_msg_id = 0;
@@ -584,6 +600,9 @@ void hinic_pf_to_mgmt_free(struct hinic_pf_to_mgmt *pf_to_mgmt)
struct hinic_pfhwdev *pfhwdev = mgmt_to_pfhwdev(pf_to_mgmt);
struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
+ if (HINIC_IS_VF(hwdev->hwif))
+ return;
+
hinic_aeq_unregister_hw_cb(&hwdev->aeqs, HINIC_MSG_FROM_MGMT_CPU);
hinic_api_cmd_free(pf_to_mgmt->cmd_chain);
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
index 182fba17b643..c2b142c08b0e 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
@@ -60,7 +60,9 @@ enum hinic_cfg_cmd {
};
enum hinic_comm_cmd {
+ HINIC_COMM_CMD_START_FLR = 0x1,
HINIC_COMM_CMD_IO_STATUS_GET = 0x3,
+ HINIC_COMM_CMD_DMA_ATTR_SET = 0x4,
HINIC_COMM_CMD_CMDQ_CTXT_SET = 0x10,
HINIC_COMM_CMD_CMDQ_CTXT_GET = 0x11,
@@ -74,7 +76,13 @@ enum hinic_comm_cmd {
HINIC_COMM_CMD_IO_RES_CLEAR = 0x29,
- HINIC_COMM_CMD_MAX = 0x32,
+ HINIC_COMM_CMD_CEQ_CTRL_REG_WR_BY_UP = 0x33,
+
+ HINIC_COMM_CMD_L2NIC_RESET = 0x4b,
+
+ HINIC_COMM_CMD_PAGESIZE_SET = 0x50,
+
+ HINIC_COMM_CMD_MAX = 0x51,
};
enum hinic_mgmt_cb_state {
@@ -107,7 +115,7 @@ struct hinic_mgmt_cb {
struct hinic_pf_to_mgmt {
struct hinic_hwif *hwif;
-
+ struct hinic_hwdev *hwdev;
struct semaphore sync_msg_lock;
u16 sync_msg_id;
u8 *sync_msg_buf;
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.c
index be364b7a7019..fcf7bfe4aa47 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.c
@@ -108,7 +108,12 @@ void hinic_sq_prepare_ctxt(struct hinic_sq_ctxt *sq_ctxt,
wq_page_pfn_hi = upper_32_bits(wq_page_pfn);
wq_page_pfn_lo = lower_32_bits(wq_page_pfn);
- wq_block_pfn = HINIC_WQ_BLOCK_PFN(wq->block_paddr);
+ /* If only one page, use 0-level CLA */
+ if (wq->num_q_pages == 1)
+ wq_block_pfn = HINIC_WQ_BLOCK_PFN(wq_page_addr);
+ else
+ wq_block_pfn = HINIC_WQ_BLOCK_PFN(wq->block_paddr);
+
wq_block_pfn_hi = upper_32_bits(wq_block_pfn);
wq_block_pfn_lo = lower_32_bits(wq_block_pfn);
@@ -638,6 +643,7 @@ void hinic_sq_write_db(struct hinic_sq *sq, u16 prod_idx, unsigned int wqe_size,
/* increment prod_idx to the next */
prod_idx += ALIGN(wqe_size, wq->wqebb_size) / wq->wqebb_size;
+ prod_idx = SQ_MASKED_IDX(sq, prod_idx);
wmb(); /* Write all before the doorbell */
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
index 79091e131418..ca3e2d060284 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_qp.h
@@ -38,12 +38,15 @@
#define HINIC_SQ_WQEBB_SIZE 64
#define HINIC_RQ_WQEBB_SIZE 32
-#define HINIC_SQ_PAGE_SIZE SZ_4K
-#define HINIC_RQ_PAGE_SIZE SZ_4K
+#define HINIC_SQ_PAGE_SIZE SZ_256K
+#define HINIC_RQ_PAGE_SIZE SZ_256K
#define HINIC_SQ_DEPTH SZ_4K
#define HINIC_RQ_DEPTH SZ_4K
+#define HINIC_MAX_QUEUE_DEPTH SZ_4K
+#define HINIC_MIN_QUEUE_DEPTH 128
+
/* In any change to HINIC_RX_BUF_SZ, HINIC_RX_BUF_SZ_IDX must be changed */
#define HINIC_RX_BUF_SZ 2048
#define HINIC_RX_BUF_SZ_IDX HINIC_RX_BUF_SZ_2048_IDX
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
index 03363216ff59..5dc3743f8091 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
@@ -503,7 +503,7 @@ err_alloc_wq_pages:
* Return 0 - Success, negative - Failure
**/
int hinic_wq_allocate(struct hinic_wqs *wqs, struct hinic_wq *wq,
- u16 wqebb_size, u16 wq_page_size, u16 q_depth,
+ u16 wqebb_size, u32 wq_page_size, u16 q_depth,
u16 max_wqe_size)
{
struct hinic_hwif *hwif = wqs->hwif;
@@ -600,7 +600,7 @@ void hinic_wq_free(struct hinic_wqs *wqs, struct hinic_wq *wq)
**/
int hinic_wqs_cmdq_alloc(struct hinic_cmdq_pages *cmdq_pages,
struct hinic_wq *wq, struct hinic_hwif *hwif,
- int cmdq_blocks, u16 wqebb_size, u16 wq_page_size,
+ int cmdq_blocks, u16 wqebb_size, u32 wq_page_size,
u16 q_depth, u16 max_wqe_size)
{
struct pci_dev *pdev = hwif->pdev;
@@ -768,7 +768,10 @@ struct hinic_hw_wqe *hinic_get_wqe(struct hinic_wq *wq, unsigned int wqe_size,
*prod_idx = curr_prod_idx;
- if (curr_pg != end_pg) {
+ /* If we only have one page, still need to get shadown wqe when
+ * wqe rolling-over page
+ */
+ if (curr_pg != end_pg || MASKED_WQE_IDX(wq, end_prod_idx) < *prod_idx) {
void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];
copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *prod_idx);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.h
index 811eef744140..b06f8c0255de 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.h
@@ -26,7 +26,7 @@ struct hinic_wq {
int block_idx;
u16 wqebb_size;
- u16 wq_page_size;
+ u32 wq_page_size;
u16 q_depth;
u16 max_wqe_size;
u16 num_wqebbs_per_page;
@@ -76,7 +76,7 @@ struct hinic_cmdq_pages {
int hinic_wqs_cmdq_alloc(struct hinic_cmdq_pages *cmdq_pages,
struct hinic_wq *wq, struct hinic_hwif *hwif,
- int cmdq_blocks, u16 wqebb_size, u16 wq_page_size,
+ int cmdq_blocks, u16 wqebb_size, u32 wq_page_size,
u16 q_depth, u16 max_wqe_size);
void hinic_wqs_cmdq_free(struct hinic_cmdq_pages *cmdq_pages,
@@ -88,7 +88,7 @@ int hinic_wqs_alloc(struct hinic_wqs *wqs, int num_wqs,
void hinic_wqs_free(struct hinic_wqs *wqs);
int hinic_wq_allocate(struct hinic_wqs *wqs, struct hinic_wq *wq,
- u16 wqebb_size, u16 wq_page_size, u16 q_depth,
+ u16 wqebb_size, u32 wq_page_size, u16 q_depth,
u16 max_wqe_size);
void hinic_wq_free(struct hinic_wqs *wqs, struct hinic_wq *wq);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index 13560975c103..e9e6f4c9309a 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -29,6 +29,7 @@
#include "hinic_tx.h"
#include "hinic_rx.h"
#include "hinic_dev.h"
+#include "hinic_sriov.h"
MODULE_AUTHOR("Huawei Technologies CO., Ltd");
MODULE_DESCRIPTION("Huawei Intelligent NIC driver");
@@ -46,6 +47,7 @@ MODULE_PARM_DESC(rx_weight, "Number Rx packets for NAPI budget (default=64)");
#define HINIC_DEV_ID_DUAL_PORT_100GE 0x0200
#define HINIC_DEV_ID_DUAL_PORT_100GE_MEZZ 0x0205
#define HINIC_DEV_ID_QUAD_PORT_25GE_MEZZ 0x0210
+#define HINIC_DEV_ID_VF 0x375e
#define HINIC_WQ_NAME "hinic_dev"
@@ -65,6 +67,8 @@ MODULE_PARM_DESC(rx_weight, "Number Rx packets for NAPI budget (default=64)");
#define rx_mode_work_to_nic_dev(rx_mode_work) \
container_of(rx_mode_work, struct hinic_dev, rx_mode_work)
+#define HINIC_WAIT_SRIOV_CFG_TIMEOUT 15000
+
static int change_mac_addr(struct net_device *netdev, const u8 *addr);
static int set_features(struct hinic_dev *nic_dev,
@@ -322,7 +326,6 @@ static void hinic_enable_rss(struct hinic_dev *nic_dev)
int i, node, err = 0;
u16 num_cpus = 0;
- nic_dev->max_qps = hinic_hwdev_max_num_qps(hwdev);
if (nic_dev->max_qps <= 1) {
nic_dev->flags &= ~HINIC_RSS_ENABLE;
nic_dev->rss_limit = nic_dev->max_qps;
@@ -368,14 +371,15 @@ static void hinic_enable_rss(struct hinic_dev *nic_dev)
netif_err(nic_dev, drv, netdev, "Failed to init rss\n");
}
-static int hinic_open(struct net_device *netdev)
+int hinic_open(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
enum hinic_port_link_state link_state;
int err, ret;
if (!(nic_dev->flags & HINIC_INTF_UP)) {
- err = hinic_hwdev_ifup(nic_dev->hwdev);
+ err = hinic_hwdev_ifup(nic_dev->hwdev, nic_dev->sq_depth,
+ nic_dev->rq_depth);
if (err) {
netif_err(nic_dev, drv, netdev,
"Failed - HW interface up\n");
@@ -423,9 +427,6 @@ static int hinic_open(struct net_device *netdev)
goto err_func_port_state;
}
- /* Wait up to 3 sec between port enable to link state */
- msleep(3000);
-
down(&nic_dev->mgmt_lock);
err = hinic_port_link_state(nic_dev, &link_state);
@@ -434,6 +435,9 @@ static int hinic_open(struct net_device *netdev)
goto err_port_link;
}
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_notify_all_vfs_link_changed(nic_dev->hwdev, link_state);
+
if (link_state == HINIC_LINK_STATE_UP)
nic_dev->flags |= HINIC_LINK_UP;
@@ -479,11 +483,10 @@ err_create_txqs:
return err;
}
-static int hinic_close(struct net_device *netdev)
+int hinic_close(struct net_device *netdev)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
unsigned int flags;
- int err;
down(&nic_dev->mgmt_lock);
@@ -497,20 +500,12 @@ static int hinic_close(struct net_device *netdev)
up(&nic_dev->mgmt_lock);
- err = hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
- if (err) {
- netif_err(nic_dev, drv, netdev,
- "Failed to set func port state\n");
- nic_dev->flags |= (flags & HINIC_INTF_UP);
- return err;
- }
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_notify_all_vfs_link_changed(nic_dev->hwdev, 0);
- err = hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
- if (err) {
- netif_err(nic_dev, drv, netdev, "Failed to set port state\n");
- nic_dev->flags |= (flags & HINIC_INTF_UP);
- return err;
- }
+ hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
+
+ hinic_port_set_func_state(nic_dev, HINIC_FUNC_PORT_DISABLE);
if (nic_dev->flags & HINIC_RSS_ENABLE) {
hinic_rss_deinit(nic_dev);
@@ -685,7 +680,7 @@ static int hinic_vlan_rx_add_vid(struct net_device *netdev,
}
err = hinic_port_add_mac(nic_dev, netdev->dev_addr, vid);
- if (err) {
+ if (err && err != HINIC_PF_SET_VF_ALREADY) {
netif_err(nic_dev, drv, netdev, "Failed to set mac\n");
goto err_add_mac;
}
@@ -737,8 +732,6 @@ static void set_rx_mode(struct work_struct *work)
struct hinic_rx_mode_work *rx_mode_work = work_to_rx_mode_work(work);
struct hinic_dev *nic_dev = rx_mode_work_to_nic_dev(rx_mode_work);
- netif_info(nic_dev, drv, nic_dev->netdev, "set rx mode work\n");
-
hinic_port_set_rx_mode(nic_dev, rx_mode_work->rx_mode);
__dev_uc_sync(nic_dev->netdev, add_mac_addr, remove_mac_addr);
@@ -757,10 +750,12 @@ static void hinic_set_rx_mode(struct net_device *netdev)
HINIC_RX_MODE_MC |
HINIC_RX_MODE_BC;
- if (netdev->flags & IFF_PROMISC)
- rx_mode |= HINIC_RX_MODE_PROMISC;
- else if (netdev->flags & IFF_ALLMULTI)
+ if (netdev->flags & IFF_PROMISC) {
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ rx_mode |= HINIC_RX_MODE_PROMISC;
+ } else if (netdev->flags & IFF_ALLMULTI) {
rx_mode |= HINIC_RX_MODE_MC_ALL;
+ }
rx_mode_work->rx_mode = rx_mode;
@@ -770,8 +765,26 @@ static void hinic_set_rx_mode(struct net_device *netdev)
static void hinic_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
+ u16 sw_pi, hw_ci, sw_ci;
+ struct hinic_sq *sq;
+ u16 num_sqs, q_id;
+
+ num_sqs = hinic_hwdev_num_qps(nic_dev->hwdev);
netif_err(nic_dev, drv, netdev, "Tx timeout\n");
+
+ for (q_id = 0; q_id < num_sqs; q_id++) {
+ if (!netif_xmit_stopped(netdev_get_tx_queue(netdev, q_id)))
+ continue;
+
+ sq = hinic_hwdev_get_sq(nic_dev->hwdev, q_id);
+ sw_pi = atomic_read(&sq->wq->prod_idx) & sq->wq->mask;
+ hw_ci = be16_to_cpu(*(u16 *)(sq->hw_ci_addr)) & sq->wq->mask;
+ sw_ci = atomic_read(&sq->wq->cons_idx) & sq->wq->mask;
+ netif_err(nic_dev, drv, netdev, "Txq%d: sw_pi: %d, hw_ci: %d, sw_ci: %d, napi->state: 0x%lx\n",
+ q_id, sw_pi, hw_ci, sw_ci,
+ nic_dev->txqs[q_id].napi.state);
+ }
}
static void hinic_get_stats64(struct net_device *netdev,
@@ -837,6 +850,29 @@ static const struct net_device_ops hinic_netdev_ops = {
.ndo_get_stats64 = hinic_get_stats64,
.ndo_fix_features = hinic_fix_features,
.ndo_set_features = hinic_set_features,
+ .ndo_set_vf_mac = hinic_ndo_set_vf_mac,
+ .ndo_set_vf_vlan = hinic_ndo_set_vf_vlan,
+ .ndo_get_vf_config = hinic_ndo_get_vf_config,
+ .ndo_set_vf_trust = hinic_ndo_set_vf_trust,
+ .ndo_set_vf_rate = hinic_ndo_set_vf_bw,
+ .ndo_set_vf_spoofchk = hinic_ndo_set_vf_spoofchk,
+ .ndo_set_vf_link_state = hinic_ndo_set_vf_link_state,
+};
+
+static const struct net_device_ops hinicvf_netdev_ops = {
+ .ndo_open = hinic_open,
+ .ndo_stop = hinic_close,
+ .ndo_change_mtu = hinic_change_mtu,
+ .ndo_set_mac_address = hinic_set_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_vlan_rx_add_vid = hinic_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = hinic_vlan_rx_kill_vid,
+ .ndo_set_rx_mode = hinic_set_rx_mode,
+ .ndo_start_xmit = hinic_xmit_frame,
+ .ndo_tx_timeout = hinic_tx_timeout,
+ .ndo_get_stats64 = hinic_get_stats64,
+ .ndo_fix_features = hinic_fix_features,
+ .ndo_set_features = hinic_set_features,
};
static void netdev_features_init(struct net_device *netdev)
@@ -896,6 +932,10 @@ static void link_status_event_handler(void *handle, void *buf_in, u16 in_size,
netif_info(nic_dev, drv, nic_dev->netdev, "HINIC_Link is DOWN\n");
}
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_notify_all_vfs_link_changed(nic_dev->hwdev,
+ link_status->link);
+
ret_link_status = buf_out;
ret_link_status->status = 0;
@@ -969,7 +1009,12 @@ static int nic_dev_init(struct pci_dev *pdev)
}
hinic_set_ethtool_ops(netdev);
- netdev->netdev_ops = &hinic_netdev_ops;
+
+ if (!HINIC_IS_VF(hwdev->hwif))
+ netdev->netdev_ops = &hinic_netdev_ops;
+ else
+ netdev->netdev_ops = &hinicvf_netdev_ops;
+
netdev->max_mtu = ETH_MAX_MTU;
nic_dev = netdev_priv(netdev);
@@ -981,6 +1026,11 @@ static int nic_dev_init(struct pci_dev *pdev)
nic_dev->rxqs = NULL;
nic_dev->tx_weight = tx_weight;
nic_dev->rx_weight = rx_weight;
+ nic_dev->sq_depth = HINIC_SQ_DEPTH;
+ nic_dev->rq_depth = HINIC_RQ_DEPTH;
+ nic_dev->sriov_info.hwdev = hwdev;
+ nic_dev->sriov_info.pdev = pdev;
+ nic_dev->max_qps = num_qps;
sema_init(&nic_dev->mgmt_lock, 1);
@@ -1007,11 +1057,25 @@ static int nic_dev_init(struct pci_dev *pdev)
pci_set_drvdata(pdev, netdev);
err = hinic_port_get_mac(nic_dev, netdev->dev_addr);
- if (err)
- dev_warn(&pdev->dev, "Failed to get mac address\n");
+ if (err) {
+ dev_err(&pdev->dev, "Failed to get mac address\n");
+ goto err_get_mac;
+ }
+
+ if (!is_valid_ether_addr(netdev->dev_addr)) {
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
+ dev_err(&pdev->dev, "Invalid MAC address\n");
+ err = -EIO;
+ goto err_add_mac;
+ }
+
+ dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n",
+ netdev->dev_addr);
+ eth_hw_addr_random(netdev);
+ }
err = hinic_port_add_mac(nic_dev, netdev->dev_addr, 0);
- if (err) {
+ if (err && err != HINIC_PF_SET_VF_ALREADY) {
dev_err(&pdev->dev, "Failed to add mac\n");
goto err_add_mac;
}
@@ -1053,6 +1117,7 @@ err_set_features:
cancel_work_sync(&rx_mode_work->work);
err_set_mtu:
+err_get_mac:
err_add_mac:
pci_set_drvdata(pdev, NULL);
destroy_workqueue(nic_dev->workq);
@@ -1126,14 +1191,41 @@ err_pci_regions:
return err;
}
+#define HINIC_WAIT_SRIOV_CFG_TIMEOUT 15000
+
+static void wait_sriov_cfg_complete(struct hinic_dev *nic_dev)
+{
+ struct hinic_sriov_info *sriov_info = &nic_dev->sriov_info;
+ u32 loop_cnt = 0;
+
+ set_bit(HINIC_FUNC_REMOVE, &sriov_info->state);
+ usleep_range(9900, 10000);
+
+ while (loop_cnt < HINIC_WAIT_SRIOV_CFG_TIMEOUT) {
+ if (!test_bit(HINIC_SRIOV_ENABLE, &sriov_info->state) &&
+ !test_bit(HINIC_SRIOV_DISABLE, &sriov_info->state))
+ return;
+
+ usleep_range(9900, 10000);
+ loop_cnt++;
+ }
+}
+
static void hinic_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct hinic_dev *nic_dev = netdev_priv(netdev);
struct hinic_rx_mode_work *rx_mode_work;
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif)) {
+ wait_sriov_cfg_complete(nic_dev);
+ hinic_pci_sriov_disable(pdev);
+ }
+
unregister_netdev(netdev);
+ hinic_port_del_mac(nic_dev, netdev->dev_addr, 0);
+
hinic_hwdev_cb_unregister(nic_dev->hwdev,
HINIC_MGMT_MSG_CMD_LINK_STATUS);
@@ -1144,6 +1236,8 @@ static void hinic_remove(struct pci_dev *pdev)
destroy_workqueue(nic_dev->workq);
+ hinic_vf_func_free(nic_dev->hwdev);
+
hinic_free_hwdev(nic_dev->hwdev);
free_netdev(netdev);
@@ -1164,6 +1258,7 @@ static const struct pci_device_id hinic_pci_table[] = {
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_DUAL_PORT_100GE), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_DUAL_PORT_100GE_MEZZ), 0},
{ PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_QUAD_PORT_25GE_MEZZ), 0},
+ { PCI_VDEVICE(HUAWEI, HINIC_DEV_ID_VF), 0},
{ 0, 0}
};
MODULE_DEVICE_TABLE(pci, hinic_pci_table);
@@ -1174,6 +1269,7 @@ static struct pci_driver hinic_driver = {
.probe = hinic_probe,
.remove = hinic_remove,
.shutdown = hinic_shutdown,
+ .sriov_configure = hinic_pci_sriov_configure,
};
module_pci_driver(hinic_driver);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c
index 1e389a004e50..175c0ee00038 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c
@@ -37,20 +37,14 @@ enum mac_op {
static int change_mac(struct hinic_dev *nic_dev, const u8 *addr,
u16 vlan_id, enum mac_op op)
{
- struct net_device *netdev = nic_dev->netdev;
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_mac_cmd port_mac_cmd;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(port_mac_cmd);
struct pci_dev *pdev = hwif->pdev;
enum hinic_port_cmd cmd;
- u16 out_size;
int err;
- if (vlan_id >= VLAN_N_VID) {
- netif_err(nic_dev, drv, netdev, "Invalid VLAN number\n");
- return -EINVAL;
- }
-
if (op == MAC_SET)
cmd = HINIC_PORT_CMD_SET_MAC;
else
@@ -63,12 +57,25 @@ static int change_mac(struct hinic_dev *nic_dev, const u8 *addr,
err = hinic_port_msg_cmd(hwdev, cmd, &port_mac_cmd,
sizeof(port_mac_cmd),
&port_mac_cmd, &out_size);
- if (err || (out_size != sizeof(port_mac_cmd)) || port_mac_cmd.status) {
+ if (err || out_size != sizeof(port_mac_cmd) ||
+ (port_mac_cmd.status &&
+ port_mac_cmd.status != HINIC_PF_SET_VF_ALREADY &&
+ port_mac_cmd.status != HINIC_MGMT_STATUS_EXIST)) {
dev_err(&pdev->dev, "Failed to change MAC, ret = %d\n",
port_mac_cmd.status);
return -EFAULT;
}
+ if (port_mac_cmd.status == HINIC_PF_SET_VF_ALREADY) {
+ dev_warn(&pdev->dev, "PF has already set VF mac, ignore %s operation\n",
+ (op == MAC_SET) ? "set" : "del");
+ return HINIC_PF_SET_VF_ALREADY;
+ }
+
+ if (cmd == HINIC_PORT_CMD_SET_MAC && port_mac_cmd.status ==
+ HINIC_MGMT_STATUS_EXIST)
+ dev_warn(&pdev->dev, "MAC is repeated, ignore set operation\n");
+
return 0;
}
@@ -112,8 +119,8 @@ int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr)
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_mac_cmd port_mac_cmd;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(port_mac_cmd);
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
int err;
port_mac_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
@@ -144,9 +151,9 @@ int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu)
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_port_mtu_cmd port_mtu_cmd;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(port_mtu_cmd);
struct pci_dev *pdev = hwif->pdev;
int err, max_frame;
- u16 out_size;
if (new_mtu < HINIC_MIN_MTU_SIZE) {
netif_err(nic_dev, drv, netdev, "mtu < MIN MTU size");
@@ -248,14 +255,9 @@ int hinic_port_link_state(struct hinic_dev *nic_dev,
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_port_link_cmd link_cmd;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(link_cmd);
int err;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "unsupported PCI Function type\n");
- return -EINVAL;
- }
-
link_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_STATE,
@@ -284,13 +286,11 @@ int hinic_port_set_state(struct hinic_dev *nic_dev, enum hinic_port_state state)
struct hinic_port_state_cmd port_state;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(port_state);
int err;
- if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
- dev_err(&pdev->dev, "unsupported PCI Function type\n");
- return -EINVAL;
- }
+ if (HINIC_IS_VF(hwdev->hwif))
+ return 0;
port_state.state = state;
@@ -320,7 +320,7 @@ int hinic_port_set_func_state(struct hinic_dev *nic_dev,
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(func_state);
int err;
func_state.func_idx = HINIC_HWIF_FUNC_IDX(hwif);
@@ -351,7 +351,7 @@ int hinic_port_get_cap(struct hinic_dev *nic_dev,
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(*port_cap);
int err;
port_cap->func_idx = HINIC_HWIF_FUNC_IDX(hwif);
@@ -382,7 +382,7 @@ int hinic_port_set_tso(struct hinic_dev *nic_dev, enum hinic_tso_state state)
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_tso_config tso_cfg = {0};
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(tso_cfg);
int err;
tso_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -405,9 +405,9 @@ int hinic_set_rx_csum_offload(struct hinic_dev *nic_dev, u32 en)
{
struct hinic_checksum_offload rx_csum_cfg = {0};
struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ u16 out_size = sizeof(rx_csum_cfg);
struct hinic_hwif *hwif;
struct pci_dev *pdev;
- u16 out_size;
int err;
if (!hwdev)
@@ -443,6 +443,7 @@ int hinic_set_rx_vlan_offload(struct hinic_dev *nic_dev, u8 en)
if (!hwdev)
return -EINVAL;
+ out_size = sizeof(vlan_cfg);
hwif = hwdev->hwif;
pdev = hwif->pdev;
vlan_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -465,14 +466,14 @@ int hinic_set_max_qnum(struct hinic_dev *nic_dev, u8 num_rqs)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
- struct pci_dev *pdev = hwif->pdev;
struct hinic_rq_num rq_num = { 0 };
+ struct pci_dev *pdev = hwif->pdev;
u16 out_size = sizeof(rq_num);
int err;
rq_num.func_id = HINIC_HWIF_FUNC_IDX(hwif);
rq_num.num_rqs = num_rqs;
- rq_num.rq_depth = ilog2(HINIC_SQ_DEPTH);
+ rq_num.rq_depth = ilog2(nic_dev->rq_depth);
err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_RQ_IQ_MAP,
&rq_num, sizeof(rq_num),
@@ -491,8 +492,8 @@ static int hinic_set_rx_lro(struct hinic_dev *nic_dev, u8 ipv4_en, u8 ipv6_en,
u8 max_wqe_num)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
- struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_lro_config lro_cfg = { 0 };
+ struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
u16 out_size = sizeof(lro_cfg);
int err;
@@ -568,6 +569,9 @@ int hinic_set_rx_lro_state(struct hinic_dev *nic_dev, u8 lro_en,
if (err)
return err;
+ if (HINIC_IS_VF(nic_dev->hwdev->hwif))
+ return 0;
+
err = hinic_set_rx_lro_timer(nic_dev, lro_timer);
if (err)
return err;
@@ -741,9 +745,9 @@ int hinic_get_rss_type(struct hinic_dev *nic_dev, u32 tmpl_idx,
{
struct hinic_rss_context_table ctx_tbl = { 0 };
struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ u16 out_size = sizeof(ctx_tbl);
struct hinic_hwif *hwif;
struct pci_dev *pdev;
- u16 out_size = sizeof(ctx_tbl);
int err;
if (!hwdev || !rss_type)
@@ -784,7 +788,7 @@ int hinic_rss_set_template_tbl(struct hinic_dev *nic_dev, u32 template_id,
struct hinic_hwif *hwif = hwdev->hwif;
struct hinic_rss_key rss_key = { 0 };
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(rss_key);
int err;
rss_key.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -809,9 +813,9 @@ int hinic_rss_get_template_tbl(struct hinic_dev *nic_dev, u32 tmpl_idx,
{
struct hinic_rss_template_key temp_key = { 0 };
struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ u16 out_size = sizeof(temp_key);
struct hinic_hwif *hwif;
struct pci_dev *pdev;
- u16 out_size = sizeof(temp_key);
int err;
if (!hwdev || !temp)
@@ -844,7 +848,7 @@ int hinic_rss_set_hash_engine(struct hinic_dev *nic_dev, u8 template_id,
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(rss_engine);
int err;
rss_engine.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -868,9 +872,9 @@ int hinic_rss_get_hash_engine(struct hinic_dev *nic_dev, u8 tmpl_idx, u8 *type)
{
struct hinic_rss_engine_type hash_type = { 0 };
struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ u16 out_size = sizeof(hash_type);
struct hinic_hwif *hwif;
struct pci_dev *pdev;
- u16 out_size = sizeof(hash_type);
int err;
if (!hwdev || !type)
@@ -901,7 +905,7 @@ int hinic_rss_cfg(struct hinic_dev *nic_dev, u8 rss_en, u8 template_id)
struct hinic_rss_config rss_cfg = { 0 };
struct hinic_hwif *hwif = hwdev->hwif;
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
+ u16 out_size = sizeof(rss_cfg);
int err;
rss_cfg.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -927,8 +931,8 @@ int hinic_rss_template_alloc(struct hinic_dev *nic_dev, u8 *tmpl_idx)
struct hinic_rss_template_mgmt template_mgmt = { 0 };
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(template_mgmt);
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
int err;
template_mgmt.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -953,8 +957,8 @@ int hinic_rss_template_free(struct hinic_dev *nic_dev, u8 tmpl_idx)
struct hinic_rss_template_mgmt template_mgmt = { 0 };
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_hwif *hwif = hwdev->hwif;
+ u16 out_size = sizeof(template_mgmt);
struct pci_dev *pdev = hwif->pdev;
- u16 out_size;
int err;
template_mgmt.func_id = HINIC_HWIF_FUNC_IDX(hwif);
@@ -1043,9 +1047,9 @@ int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver)
{
struct hinic_hwdev *hwdev = nic_dev->hwdev;
struct hinic_version_info up_ver = {0};
+ u16 out_size = sizeof(up_ver);
struct hinic_hwif *hwif;
struct pci_dev *pdev;
- u16 out_size;
int err;
if (!hwdev)
@@ -1068,3 +1072,132 @@ int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver)
return 0;
}
+
+int hinic_get_link_mode(struct hinic_hwdev *hwdev,
+ struct hinic_link_mode_cmd *link_mode)
+{
+ u16 out_size;
+ int err;
+
+ if (!hwdev || !link_mode)
+ return -EINVAL;
+
+ out_size = sizeof(*link_mode);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_MODE,
+ link_mode, sizeof(*link_mode),
+ link_mode, &out_size);
+ if (err || !out_size || link_mode->status) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to get link mode, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, link_mode->status, out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hinic_set_autoneg(struct hinic_hwdev *hwdev, bool enable)
+{
+ struct hinic_set_autoneg_cmd autoneg = {0};
+ u16 out_size = sizeof(autoneg);
+ int err;
+
+ if (!hwdev)
+ return -EINVAL;
+
+ autoneg.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ autoneg.enable = enable;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_AUTONEG,
+ &autoneg, sizeof(autoneg),
+ &autoneg, &out_size);
+ if (err || !out_size || autoneg.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to %s autoneg, err: %d, status: 0x%x, out size: 0x%x\n",
+ enable ? "enable" : "disable", err, autoneg.status,
+ out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hinic_set_speed(struct hinic_hwdev *hwdev, enum nic_speed_level speed)
+{
+ struct hinic_speed_cmd speed_info = {0};
+ u16 out_size = sizeof(speed_info);
+ int err;
+
+ if (!hwdev)
+ return -EINVAL;
+
+ speed_info.func_id = HINIC_HWIF_FUNC_IDX(hwdev->hwif);
+ speed_info.speed = speed;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_SPEED,
+ &speed_info, sizeof(speed_info),
+ &speed_info, &out_size);
+ if (err || !out_size || speed_info.status) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to set speed, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, speed_info.status, out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hinic_set_link_settings(struct hinic_hwdev *hwdev,
+ struct hinic_link_ksettings_info *info)
+{
+ u16 out_size = sizeof(*info);
+ int err;
+
+ err = hinic_hilink_msg_cmd(hwdev, HINIC_HILINK_CMD_SET_LINK_SETTINGS,
+ info, sizeof(*info), info, &out_size);
+ if ((info->status != HINIC_MGMT_CMD_UNSUPPORTED &&
+ info->status) || err || !out_size) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to set link settings, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, info->status, out_size);
+ return -EFAULT;
+ }
+
+ return info->status;
+}
+
+int hinic_get_hw_pause_info(struct hinic_hwdev *hwdev,
+ struct hinic_pause_config *pause_info)
+{
+ u16 out_size = sizeof(*pause_info);
+ int err;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_PAUSE_INFO,
+ pause_info, sizeof(*pause_info),
+ pause_info, &out_size);
+ if (err || !out_size || pause_info->status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to get pause info, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, pause_info->status, out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hinic_set_hw_pause_info(struct hinic_hwdev *hwdev,
+ struct hinic_pause_config *pause_info)
+{
+ u16 out_size = sizeof(*pause_info);
+ int err;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_PAUSE_INFO,
+ pause_info, sizeof(*pause_info),
+ pause_info, &out_size);
+ if (err || !out_size || pause_info->status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set pause info, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, pause_info->status, out_size);
+ return -EIO;
+ }
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h
index 44772fd47fc1..661c6322dc15 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h
@@ -79,6 +79,42 @@ enum hinic_speed {
HINIC_SPEED_UNKNOWN = 0xFF,
};
+enum hinic_link_mode {
+ HINIC_10GE_BASE_KR = 0,
+ HINIC_40GE_BASE_KR4 = 1,
+ HINIC_40GE_BASE_CR4 = 2,
+ HINIC_100GE_BASE_KR4 = 3,
+ HINIC_100GE_BASE_CR4 = 4,
+ HINIC_25GE_BASE_KR_S = 5,
+ HINIC_25GE_BASE_CR_S = 6,
+ HINIC_25GE_BASE_KR = 7,
+ HINIC_25GE_BASE_CR = 8,
+ HINIC_GE_BASE_KX = 9,
+ HINIC_LINK_MODE_NUMBERS,
+
+ HINIC_SUPPORTED_UNKNOWN = 0xFFFF,
+};
+
+enum hinic_port_type {
+ HINIC_PORT_TP, /* BASET */
+ HINIC_PORT_AUI,
+ HINIC_PORT_MII,
+ HINIC_PORT_FIBRE, /* OPTICAL */
+ HINIC_PORT_BNC,
+ HINIC_PORT_ELEC,
+ HINIC_PORT_COPPER, /* PORT_DA */
+ HINIC_PORT_AOC,
+ HINIC_PORT_BACKPLANE,
+ HINIC_PORT_NONE = 0xEF,
+ HINIC_PORT_OTHER = 0xFF,
+};
+
+enum hinic_valid_link_settings {
+ HILINK_LINK_SET_SPEED = 0x1,
+ HILINK_LINK_SET_AUTONEG = 0x2,
+ HILINK_LINK_SET_FEC = 0x4,
+};
+
enum hinic_tso_state {
HINIC_TSO_DISABLE = 0,
HINIC_TSO_ENABLE = 1,
@@ -148,9 +184,9 @@ struct hinic_port_link_status {
u8 version;
u8 rsvd0[6];
- u16 rsvd1;
+ u16 func_id;
u8 link;
- u8 rsvd2;
+ u8 port_id;
};
struct hinic_port_func_state_cmd {
@@ -179,6 +215,50 @@ struct hinic_port_cap {
u8 rsvd2[3];
};
+struct hinic_link_mode_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 rsvd1;
+ u16 supported; /* 0xFFFF represents invalid value */
+ u16 advertised;
+};
+
+struct hinic_speed_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 speed;
+};
+
+struct hinic_set_autoneg_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 enable; /* 1: enable , 0: disable */
+};
+
+struct hinic_link_ksettings_info {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 rsvd1;
+
+ u32 valid_bitmap;
+ u32 speed; /* enum nic_speed_level */
+ u8 autoneg; /* 0 - off; 1 - on */
+ u8 fec; /* 0 - RSFEC; 1 - BASEFEC; 2 - NOFEC */
+ u8 rsvd2[18]; /* reserved for duplex, port, etc. */
+};
+
struct hinic_tso_config {
u8 status;
u8 version;
@@ -506,6 +586,61 @@ struct hinic_cmd_vport_stats {
struct hinic_vport_stats stats;
};
+struct hinic_tx_rate_cfg_max_min {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 rsvd1;
+ u32 min_rate;
+ u32 max_rate;
+ u8 rsvd2[8];
+};
+
+struct hinic_tx_rate_cfg {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 rsvd1;
+ u32 tx_rate;
+};
+
+enum nic_speed_level {
+ LINK_SPEED_10MB = 0,
+ LINK_SPEED_100MB,
+ LINK_SPEED_1GB,
+ LINK_SPEED_10GB,
+ LINK_SPEED_25GB,
+ LINK_SPEED_40GB,
+ LINK_SPEED_100GB,
+ LINK_SPEED_LEVELS,
+};
+
+struct hinic_spoofchk_set {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u8 state;
+ u8 rsvd1;
+ u16 func_id;
+};
+
+struct hinic_pause_config {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 rsvd1;
+ u32 auto_neg;
+ u32 rx_pause;
+ u32 tx_pause;
+};
+
int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
u16 vlan_id);
@@ -585,4 +720,24 @@ int hinic_set_rx_vlan_offload(struct hinic_dev *nic_dev, u8 en);
int hinic_get_mgmt_version(struct hinic_dev *nic_dev, u8 *mgmt_ver);
+int hinic_set_link_settings(struct hinic_hwdev *hwdev,
+ struct hinic_link_ksettings_info *info);
+
+int hinic_get_link_mode(struct hinic_hwdev *hwdev,
+ struct hinic_link_mode_cmd *link_mode);
+
+int hinic_set_autoneg(struct hinic_hwdev *hwdev, bool enable);
+
+int hinic_set_speed(struct hinic_hwdev *hwdev, enum nic_speed_level speed);
+
+int hinic_get_hw_pause_info(struct hinic_hwdev *hwdev,
+ struct hinic_pause_config *pause_info);
+
+int hinic_set_hw_pause_info(struct hinic_hwdev *hwdev,
+ struct hinic_pause_config *pause_info);
+
+int hinic_open(struct net_device *netdev);
+
+int hinic_close(struct net_device *netdev);
+
#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
index 815649e37cb1..af20d0dd6de7 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_rx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -432,9 +432,11 @@ static int rx_poll(struct napi_struct *napi, int budget)
return budget;
napi_complete(napi);
- hinic_hwdev_set_msix_state(nic_dev->hwdev,
- rq->msix_entry,
- HINIC_MSIX_ENABLE);
+
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_hwdev_set_msix_state(nic_dev->hwdev,
+ rq->msix_entry,
+ HINIC_MSIX_ENABLE);
return pkts;
}
@@ -461,9 +463,10 @@ static irqreturn_t rx_irq(int irq, void *data)
/* Disable the interrupt until napi will be completed */
nic_dev = netdev_priv(rxq->netdev);
- hinic_hwdev_set_msix_state(nic_dev->hwdev,
- rq->msix_entry,
- HINIC_MSIX_DISABLE);
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_hwdev_set_msix_state(nic_dev->hwdev,
+ rq->msix_entry,
+ HINIC_MSIX_DISABLE);
nic_dev = netdev_priv(rxq->netdev);
hinic_hwdev_msix_cnt_set(nic_dev->hwdev, rq->msix_entry);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_sriov.c b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
new file mode 100644
index 000000000000..efab2dd2c889
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_sriov.c
@@ -0,0 +1,1294 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+
+#include <linux/pci.h>
+#include <linux/if_vlan.h>
+#include <linux/interrupt.h>
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+
+#include "hinic_hw_dev.h"
+#include "hinic_dev.h"
+#include "hinic_hw_mbox.h"
+#include "hinic_hw_cmdq.h"
+#include "hinic_port.h"
+#include "hinic_sriov.h"
+
+static unsigned char set_vf_link_state;
+module_param(set_vf_link_state, byte, 0444);
+MODULE_PARM_DESC(set_vf_link_state, "Set vf link state, 0 represents link auto, 1 represents link always up, 2 represents link always down. - default is 0.");
+
+#define HINIC_VLAN_PRIORITY_SHIFT 13
+#define HINIC_ADD_VLAN_IN_MAC 0x8000
+#define HINIC_TX_RATE_TABLE_FULL 12
+
+static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr,
+ u16 vlan_id, u16 func_id)
+{
+ struct hinic_port_mac_cmd mac_info = {0};
+ u16 out_size = sizeof(mac_info);
+ int err;
+
+ mac_info.func_idx = func_id;
+ mac_info.vlan_id = vlan_id;
+ memcpy(mac_info.mac, mac_addr, ETH_ALEN);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info,
+ sizeof(mac_info), &mac_info, &out_size);
+ if (err || out_size != sizeof(mac_info) ||
+ (mac_info.status && mac_info.status != HINIC_PF_SET_VF_ALREADY &&
+ mac_info.status != HINIC_MGMT_STATUS_EXIST)) {
+ dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to change MAC, ret = %d\n",
+ mac_info.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static void hinic_notify_vf_link_status(struct hinic_hwdev *hwdev, u16 vf_id,
+ u8 link_status)
+{
+ struct vf_data_storage *vf_infos = hwdev->func_to_io.vf_infos;
+ struct hinic_port_link_status link = {0};
+ u16 out_size = sizeof(link);
+ int err;
+
+ if (vf_infos[HW_VF_ID_TO_OS(vf_id)].registered) {
+ link.link = link_status;
+ link.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+ err = hinic_mbox_to_vf(hwdev, HINIC_MOD_L2NIC,
+ vf_id, HINIC_PORT_CMD_LINK_STATUS_REPORT,
+ &link, sizeof(link),
+ &link, &out_size, 0);
+ if (err || !out_size || link.status)
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Send link change event to VF %d failed, err: %d, status: 0x%x, out_size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), err,
+ link.status, out_size);
+ }
+}
+
+/* send link change event mbox msg to active vfs under the pf */
+void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev,
+ u8 link_status)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ u16 i;
+
+ nic_io->link_status = link_status;
+ for (i = 1; i <= nic_io->max_vfs; i++) {
+ if (!nic_io->vf_infos[HW_VF_ID_TO_OS(i)].link_forced)
+ hinic_notify_vf_link_status(hwdev, i, link_status);
+ }
+}
+
+static u16 hinic_vf_info_vlanprio(struct hinic_hwdev *hwdev, int vf_id)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ u16 pf_vlan, vlanprio;
+ u8 pf_qos;
+
+ pf_vlan = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan;
+ pf_qos = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos;
+ vlanprio = pf_vlan | pf_qos << HINIC_VLAN_PRIORITY_SHIFT;
+
+ return vlanprio;
+}
+
+static int hinic_set_vf_vlan(struct hinic_hwdev *hwdev, bool add, u16 vid,
+ u8 qos, int vf_id)
+{
+ struct hinic_vf_vlan_config vf_vlan = {0};
+ u16 out_size = sizeof(vf_vlan);
+ int err;
+ u8 cmd;
+
+ /* VLAN 0 is a special case, don't allow it to be removed */
+ if (!vid && !add)
+ return 0;
+
+ vf_vlan.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+ vf_vlan.vlan_id = vid;
+ vf_vlan.qos = qos;
+
+ if (add)
+ cmd = HINIC_PORT_CMD_SET_VF_VLAN;
+ else
+ cmd = HINIC_PORT_CMD_CLR_VF_VLAN;
+
+ err = hinic_port_msg_cmd(hwdev, cmd, &vf_vlan,
+ sizeof(vf_vlan), &vf_vlan, &out_size);
+ if (err || !out_size || vf_vlan.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d vlan, err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), err, vf_vlan.status, out_size);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+static int hinic_set_vf_tx_rate_max_min(struct hinic_hwdev *hwdev, u16 vf_id,
+ u32 max_rate, u32 min_rate)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ struct hinic_tx_rate_cfg_max_min rate_cfg = {0};
+ u16 out_size = sizeof(rate_cfg);
+ int err;
+
+ rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+ rate_cfg.max_rate = max_rate;
+ rate_cfg.min_rate = min_rate;
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE,
+ &rate_cfg, sizeof(rate_cfg), &rate_cfg,
+ &out_size);
+ if ((rate_cfg.status != HINIC_MGMT_CMD_UNSUPPORTED &&
+ rate_cfg.status) || err || !out_size) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) max rate(%d), min rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), max_rate, min_rate, err,
+ rate_cfg.status, out_size);
+ return -EIO;
+ }
+
+ if (!rate_cfg.status) {
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = max_rate;
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = min_rate;
+ }
+
+ return rate_cfg.status;
+}
+
+static int hinic_set_vf_rate_limit(struct hinic_hwdev *hwdev, u16 vf_id,
+ u32 tx_rate)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ struct hinic_tx_rate_cfg rate_cfg = {0};
+ u16 out_size = sizeof(rate_cfg);
+ int err;
+
+ rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+ rate_cfg.tx_rate = tx_rate;
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_RATE,
+ &rate_cfg, sizeof(rate_cfg), &rate_cfg,
+ &out_size);
+ if (err || !out_size || rate_cfg.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) rate(%d), err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), tx_rate, err, rate_cfg.status,
+ out_size);
+ if (rate_cfg.status)
+ return rate_cfg.status;
+
+ return -EIO;
+ }
+
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = tx_rate;
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = 0;
+
+ return 0;
+}
+
+static int hinic_set_vf_tx_rate(struct hinic_hwdev *hwdev, u16 vf_id,
+ u32 max_rate, u32 min_rate)
+{
+ int err;
+
+ err = hinic_set_vf_tx_rate_max_min(hwdev, vf_id, max_rate, min_rate);
+ if (err != HINIC_MGMT_CMD_UNSUPPORTED)
+ return err;
+
+ if (min_rate) {
+ dev_err(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate\n");
+ return -EOPNOTSUPP;
+ }
+
+ dev_info(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate, force min_tx_rate = max_tx_rate\n");
+
+ return hinic_set_vf_rate_limit(hwdev, vf_id, max_rate);
+}
+
+static int hinic_init_vf_config(struct hinic_hwdev *hwdev, u16 vf_id)
+{
+ struct vf_data_storage *vf_info;
+ u16 func_id, vlan_id;
+ int err = 0;
+
+ vf_info = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
+ if (vf_info->pf_set_mac) {
+ func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+
+ vlan_id = 0;
+
+ err = hinic_set_mac(hwdev, vf_info->vf_mac_addr, vlan_id,
+ func_id);
+ if (err) {
+ dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set VF %d MAC\n",
+ HW_VF_ID_TO_OS(vf_id));
+ return err;
+ }
+ }
+
+ if (hinic_vf_info_vlanprio(hwdev, vf_id)) {
+ err = hinic_set_vf_vlan(hwdev, true, vf_info->pf_vlan,
+ vf_info->pf_qos, vf_id);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to add VF %d VLAN_QOS\n",
+ HW_VF_ID_TO_OS(vf_id));
+ return err;
+ }
+ }
+
+ if (vf_info->max_rate) {
+ err = hinic_set_vf_tx_rate(hwdev, vf_id, vf_info->max_rate,
+ vf_info->min_rate);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d max rate: %d, min rate: %d\n",
+ HW_VF_ID_TO_OS(vf_id), vf_info->max_rate,
+ vf_info->min_rate);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static int hinic_register_vf_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_register_vf *register_info = buf_out;
+ struct hinic_hwdev *hw_dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+ int err;
+
+ nic_io = &hw_dev->func_to_io;
+ if (vf_id > nic_io->max_vfs) {
+ dev_err(&hw_dev->hwif->pdev->dev, "Register VF id %d exceed limit[0-%d]\n",
+ HW_VF_ID_TO_OS(vf_id), HW_VF_ID_TO_OS(nic_io->max_vfs));
+ register_info->status = EFAULT;
+ return -EFAULT;
+ }
+
+ *out_size = sizeof(*register_info);
+ err = hinic_init_vf_config(hw_dev, vf_id);
+ if (err) {
+ register_info->status = EFAULT;
+ return err;
+ }
+
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = true;
+
+ return 0;
+}
+
+static int hinic_unregister_vf_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_hwdev *hw_dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+
+ nic_io = &hw_dev->func_to_io;
+ *out_size = 0;
+ if (vf_id > nic_io->max_vfs)
+ return 0;
+
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = false;
+
+ return 0;
+}
+
+static int hinic_change_vf_mtu_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_hwdev *hw_dev = hwdev;
+ int err;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU, buf_in,
+ in_size, buf_out, out_size);
+ if (err) {
+ dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %u mtu\n",
+ vf_id);
+ return err;
+ }
+
+ return 0;
+}
+
+static int hinic_get_vf_mac_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_port_mac_cmd *mac_info = buf_out;
+ struct hinic_hwdev *dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+ struct vf_data_storage *vf_info;
+
+ nic_io = &dev->func_to_io;
+ vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
+
+ memcpy(mac_info->mac, vf_info->vf_mac_addr, ETH_ALEN);
+ mac_info->status = 0;
+ *out_size = sizeof(*mac_info);
+
+ return 0;
+}
+
+static int hinic_set_vf_mac_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_port_mac_cmd *mac_out = buf_out;
+ struct hinic_port_mac_cmd *mac_in = buf_in;
+ struct hinic_hwdev *hw_dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+ struct vf_data_storage *vf_info;
+ int err;
+
+ nic_io = &hw_dev->func_to_io;
+ vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
+ if (vf_info->pf_set_mac && !(vf_info->trust) &&
+ is_valid_ether_addr(mac_in->mac)) {
+ dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF %d MAC address\n",
+ HW_VF_ID_TO_OS(vf_id));
+ mac_out->status = HINIC_PF_SET_VF_ALREADY;
+ *out_size = sizeof(*mac_out);
+ return 0;
+ }
+
+ err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_SET_MAC, buf_in,
+ in_size, buf_out, out_size);
+ if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
+ dev_err(&hw_dev->hwif->pdev->dev,
+ "Failed to set VF %d MAC address, err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
+ return -EFAULT;
+ }
+
+ return err;
+}
+
+static int hinic_del_vf_mac_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_port_mac_cmd *mac_out = buf_out;
+ struct hinic_port_mac_cmd *mac_in = buf_in;
+ struct hinic_hwdev *hw_dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+ struct vf_data_storage *vf_info;
+ int err;
+
+ nic_io = &hw_dev->func_to_io;
+ vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id);
+ if (vf_info->pf_set_mac && is_valid_ether_addr(mac_in->mac) &&
+ !memcmp(vf_info->vf_mac_addr, mac_in->mac, ETH_ALEN)) {
+ dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF mac.\n");
+ mac_out->status = HINIC_PF_SET_VF_ALREADY;
+ *out_size = sizeof(*mac_out);
+ return 0;
+ }
+
+ err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_DEL_MAC, buf_in,
+ in_size, buf_out, out_size);
+ if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) {
+ dev_err(&hw_dev->hwif->pdev->dev, "Failed to delete VF %d MAC, err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size);
+ return -EFAULT;
+ }
+
+ return err;
+}
+
+static int hinic_get_vf_link_status_msg_handler(void *hwdev, u16 vf_id,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_port_link_cmd *get_link = buf_out;
+ struct hinic_hwdev *hw_dev = hwdev;
+ struct vf_data_storage *vf_infos;
+ struct hinic_func_to_io *nic_io;
+ bool link_forced, link_up;
+
+ nic_io = &hw_dev->func_to_io;
+ vf_infos = nic_io->vf_infos;
+ link_forced = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced;
+ link_up = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up;
+
+ if (link_forced)
+ get_link->state = link_up ?
+ HINIC_LINK_STATE_UP : HINIC_LINK_STATE_DOWN;
+ else
+ get_link->state = nic_io->link_status;
+
+ get_link->status = 0;
+ *out_size = sizeof(*get_link);
+
+ return 0;
+}
+
+static struct vf_cmd_msg_handle nic_vf_cmd_msg_handler[] = {
+ {HINIC_PORT_CMD_VF_REGISTER, hinic_register_vf_msg_handler},
+ {HINIC_PORT_CMD_VF_UNREGISTER, hinic_unregister_vf_msg_handler},
+ {HINIC_PORT_CMD_CHANGE_MTU, hinic_change_vf_mtu_msg_handler},
+ {HINIC_PORT_CMD_GET_MAC, hinic_get_vf_mac_msg_handler},
+ {HINIC_PORT_CMD_SET_MAC, hinic_set_vf_mac_msg_handler},
+ {HINIC_PORT_CMD_DEL_MAC, hinic_del_vf_mac_msg_handler},
+ {HINIC_PORT_CMD_GET_LINK_STATE, hinic_get_vf_link_status_msg_handler},
+};
+
+#define CHECK_IPSU_15BIT 0X8000
+
+static
+struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+
+ return &nic_dev->sriov_info;
+}
+
+static int hinic_check_mac_info(u8 status, u16 vlan_id)
+{
+ if ((status && status != HINIC_MGMT_STATUS_EXIST &&
+ status != HINIC_PF_SET_VF_ALREADY) ||
+ (vlan_id & CHECK_IPSU_15BIT &&
+ status == HINIC_MGMT_STATUS_EXIST))
+ return -EINVAL;
+
+ return 0;
+}
+
+#define HINIC_VLAN_ID_MASK 0x7FFF
+
+static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac,
+ u8 *new_mac, u16 vlan_id, u16 func_id)
+{
+ struct hinic_port_mac_update mac_info = {0};
+ u16 out_size = sizeof(mac_info);
+ int err;
+
+ if (!hwdev || !old_mac || !new_mac)
+ return -EINVAL;
+
+ if ((vlan_id & HINIC_VLAN_ID_MASK) >= VLAN_N_VID) {
+ dev_err(&hwdev->hwif->pdev->dev, "Invalid VLAN number: %d\n",
+ (vlan_id & HINIC_VLAN_ID_MASK));
+ return -EINVAL;
+ }
+
+ mac_info.func_id = func_id;
+ mac_info.vlan_id = vlan_id;
+ memcpy(mac_info.old_mac, old_mac, ETH_ALEN);
+ memcpy(mac_info.new_mac, new_mac, ETH_ALEN);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_UPDATE_MAC, &mac_info,
+ sizeof(mac_info), &mac_info, &out_size);
+
+ if (err || !out_size ||
+ hinic_check_mac_info(mac_info.status, mac_info.vlan_id)) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to update MAC, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, mac_info.status, out_size);
+ return -EINVAL;
+ }
+
+ if (mac_info.status == HINIC_PF_SET_VF_ALREADY) {
+ dev_warn(&hwdev->hwif->pdev->dev,
+ "PF has already set VF MAC. Ignore update operation\n");
+ return HINIC_PF_SET_VF_ALREADY;
+ }
+
+ if (mac_info.status == HINIC_MGMT_STATUS_EXIST)
+ dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n");
+
+ return 0;
+}
+
+static void hinic_get_vf_config(struct hinic_hwdev *hwdev, u16 vf_id,
+ struct ifla_vf_info *ivi)
+{
+ struct vf_data_storage *vfinfo;
+
+ vfinfo = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
+
+ ivi->vf = HW_VF_ID_TO_OS(vf_id);
+ memcpy(ivi->mac, vfinfo->vf_mac_addr, ETH_ALEN);
+ ivi->vlan = vfinfo->pf_vlan;
+ ivi->qos = vfinfo->pf_qos;
+ ivi->spoofchk = vfinfo->spoofchk;
+ ivi->trusted = vfinfo->trust;
+ ivi->max_tx_rate = vfinfo->max_rate;
+ ivi->min_tx_rate = vfinfo->min_rate;
+
+ if (!vfinfo->link_forced)
+ ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
+ else if (vfinfo->link_up)
+ ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
+ else
+ ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
+}
+
+int hinic_ndo_get_vf_config(struct net_device *netdev,
+ int vf, struct ifla_vf_info *ivi)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+
+ sriov_info = &nic_dev->sriov_info;
+ if (vf >= sriov_info->num_vfs)
+ return -EINVAL;
+
+ hinic_get_vf_config(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), ivi);
+
+ return 0;
+}
+
+static int hinic_set_vf_mac(struct hinic_hwdev *hwdev, int vf,
+ unsigned char *mac_addr)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ struct vf_data_storage *vf_info;
+ u16 func_id;
+ int err;
+
+ vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf);
+
+ /* duplicate request, so just return success */
+ if (vf_info->pf_set_mac &&
+ !memcmp(vf_info->vf_mac_addr, mac_addr, ETH_ALEN))
+ return 0;
+
+ vf_info->pf_set_mac = true;
+
+ func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf;
+ err = hinic_update_mac(hwdev, vf_info->vf_mac_addr,
+ mac_addr, 0, func_id);
+ if (err) {
+ vf_info->pf_set_mac = false;
+ return err;
+ }
+
+ memcpy(vf_info->vf_mac_addr, mac_addr, ETH_ALEN);
+
+ return 0;
+}
+
+int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+ int err;
+
+ sriov_info = &nic_dev->sriov_info;
+ if (!is_valid_ether_addr(mac) || vf >= sriov_info->num_vfs)
+ return -EINVAL;
+
+ err = hinic_set_vf_mac(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), mac);
+ if (err)
+ return err;
+
+ netif_info(nic_dev, drv, netdev, "Setting MAC %pM on VF %d\n", mac, vf);
+ netif_info(nic_dev, drv, netdev, "Reload the VF driver to make this change effective.");
+
+ return 0;
+}
+
+static int hinic_add_vf_vlan(struct hinic_hwdev *hwdev, int vf_id,
+ u16 vlan, u8 qos)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ int err;
+
+ err = hinic_set_vf_vlan(hwdev, true, vlan, qos, vf_id);
+ if (err)
+ return err;
+
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = vlan;
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = qos;
+
+ dev_info(&hwdev->hwif->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
+ vlan, qos, HW_VF_ID_TO_OS(vf_id));
+ return 0;
+}
+
+static int hinic_kill_vf_vlan(struct hinic_hwdev *hwdev, int vf_id)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ int err;
+
+ err = hinic_set_vf_vlan(hwdev, false,
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos,
+ vf_id);
+ if (err)
+ return err;
+
+ dev_info(&hwdev->hwif->pdev->dev, "Remove VLAN %d on VF %d\n",
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan,
+ HW_VF_ID_TO_OS(vf_id));
+
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = 0;
+ nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = 0;
+
+ return 0;
+}
+
+static int hinic_update_mac_vlan(struct hinic_dev *nic_dev, u16 old_vlan,
+ u16 new_vlan, int vf_id)
+{
+ struct vf_data_storage *vf_info;
+ u16 vlan_id;
+ int err;
+
+ if (!nic_dev || old_vlan >= VLAN_N_VID || new_vlan >= VLAN_N_VID)
+ return -EINVAL;
+
+ vf_info = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
+ if (!vf_info->pf_set_mac)
+ return 0;
+
+ vlan_id = old_vlan;
+ if (vlan_id)
+ vlan_id |= HINIC_ADD_VLAN_IN_MAC;
+
+ err = hinic_port_del_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
+ if (err) {
+ dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to delete VF %d MAC %pM vlan %d\n",
+ HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, old_vlan);
+ return err;
+ }
+
+ vlan_id = new_vlan;
+ if (vlan_id)
+ vlan_id |= HINIC_ADD_VLAN_IN_MAC;
+
+ err = hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
+ if (err) {
+ dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to add VF %d MAC %pM vlan %d\n",
+ HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, new_vlan);
+ goto out;
+ }
+
+ return 0;
+
+out:
+ vlan_id = old_vlan;
+ if (vlan_id)
+ vlan_id |= HINIC_ADD_VLAN_IN_MAC;
+ hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id);
+
+ return err;
+}
+
+static int set_hw_vf_vlan(struct hinic_dev *nic_dev,
+ u16 cur_vlanprio, int vf, u16 vlan, u8 qos)
+{
+ u16 old_vlan = cur_vlanprio & VLAN_VID_MASK;
+ int err = 0;
+
+ if (vlan || qos) {
+ if (cur_vlanprio) {
+ err = hinic_kill_vf_vlan(nic_dev->hwdev,
+ OS_VF_ID_TO_HW(vf));
+ if (err) {
+ dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d old vlan %d\n",
+ vf, old_vlan);
+ goto out;
+ }
+ }
+ err = hinic_add_vf_vlan(nic_dev->hwdev,
+ OS_VF_ID_TO_HW(vf), vlan, qos);
+ if (err) {
+ dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to add vf %d new vlan %d\n",
+ vf, vlan);
+ goto out;
+ }
+ } else {
+ err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf));
+ if (err) {
+ dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d vlan %d\n",
+ vf, old_vlan);
+ goto out;
+ }
+ }
+
+ err = hinic_update_mac_vlan(nic_dev, old_vlan, vlan,
+ OS_VF_ID_TO_HW(vf));
+
+out:
+ return err;
+}
+
+int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
+ __be16 vlan_proto)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+ u16 vlanprio, cur_vlanprio;
+
+ sriov_info = &nic_dev->sriov_info;
+ if (vf >= sriov_info->num_vfs || vlan > 4095 || qos > 7)
+ return -EINVAL;
+ if (vlan_proto != htons(ETH_P_8021Q))
+ return -EPROTONOSUPPORT;
+ vlanprio = vlan | qos << HINIC_VLAN_PRIORITY_SHIFT;
+ cur_vlanprio = hinic_vf_info_vlanprio(nic_dev->hwdev,
+ OS_VF_ID_TO_HW(vf));
+ /* duplicate request, so just return success */
+ if (vlanprio == cur_vlanprio)
+ return 0;
+
+ return set_hw_vf_vlan(nic_dev, cur_vlanprio, vf, vlan, qos);
+}
+
+static int hinic_set_vf_trust(struct hinic_hwdev *hwdev, u16 vf_id,
+ bool trust)
+{
+ struct vf_data_storage *vf_infos;
+ struct hinic_func_to_io *nic_io;
+
+ if (!hwdev)
+ return -EINVAL;
+
+ nic_io = &hwdev->func_to_io;
+ vf_infos = nic_io->vf_infos;
+ vf_infos[vf_id].trust = trust;
+
+ return 0;
+}
+
+int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
+{
+ struct hinic_dev *adapter = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+ struct hinic_func_to_io *nic_io;
+ bool cur_trust;
+ int err;
+
+ sriov_info = &adapter->sriov_info;
+ nic_io = &adapter->hwdev->func_to_io;
+
+ if (vf >= sriov_info->num_vfs)
+ return -EINVAL;
+
+ cur_trust = nic_io->vf_infos[vf].trust;
+ /* same request, so just return success */
+ if ((setting && cur_trust) || (!setting && !cur_trust))
+ return 0;
+
+ err = hinic_set_vf_trust(adapter->hwdev, vf, setting);
+ if (!err)
+ dev_info(&sriov_info->pdev->dev, "Set VF %d trusted %s succeed\n",
+ vf, setting ? "on" : "off");
+ else
+ dev_err(&sriov_info->pdev->dev, "Failed set VF %d trusted %s\n",
+ vf, setting ? "on" : "off");
+
+ return err;
+}
+
+int hinic_ndo_set_vf_bw(struct net_device *netdev,
+ int vf, int min_tx_rate, int max_tx_rate)
+{
+ u32 speeds[] = {SPEED_10, SPEED_100, SPEED_1000, SPEED_10000,
+ SPEED_25000, SPEED_40000, SPEED_100000};
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_port_cap port_cap = { 0 };
+ enum hinic_port_link_state link_state;
+ int err;
+
+ if (vf >= nic_dev->sriov_info.num_vfs) {
+ netif_err(nic_dev, drv, netdev, "VF number must be less than %d\n",
+ nic_dev->sriov_info.num_vfs);
+ return -EINVAL;
+ }
+
+ if (max_tx_rate < min_tx_rate) {
+ netif_err(nic_dev, drv, netdev, "Max rate %d must be greater than or equal to min rate %d\n",
+ max_tx_rate, min_tx_rate);
+ return -EINVAL;
+ }
+
+ err = hinic_port_link_state(nic_dev, &link_state);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Get link status failed when setting vf tx rate\n");
+ return -EIO;
+ }
+
+ if (link_state == HINIC_LINK_STATE_DOWN) {
+ netif_err(nic_dev, drv, netdev,
+ "Link status must be up when setting vf tx rate\n");
+ return -EPERM;
+ }
+
+ err = hinic_port_get_cap(nic_dev, &port_cap);
+ if (err || port_cap.speed > LINK_SPEED_100GB)
+ return -EIO;
+
+ /* rate limit cannot be less than 0 and greater than link speed */
+ if (max_tx_rate < 0 || max_tx_rate > speeds[port_cap.speed]) {
+ netif_err(nic_dev, drv, netdev, "Max tx rate must be in [0 - %d]\n",
+ speeds[port_cap.speed]);
+ return -EINVAL;
+ }
+
+ err = hinic_set_vf_tx_rate(nic_dev->hwdev, OS_VF_ID_TO_HW(vf),
+ max_tx_rate, min_tx_rate);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Unable to set VF %d max rate %d min rate %d%s\n",
+ vf, max_tx_rate, min_tx_rate,
+ err == HINIC_TX_RATE_TABLE_FULL ?
+ ", tx rate profile is full" : "");
+ return -EIO;
+ }
+
+ netif_info(nic_dev, drv, netdev,
+ "Set VF %d max tx rate %d min tx rate %d successfully\n",
+ vf, max_tx_rate, min_tx_rate);
+
+ return 0;
+}
+
+static int hinic_set_vf_spoofchk(struct hinic_hwdev *hwdev, u16 vf_id,
+ bool spoofchk)
+{
+ struct hinic_spoofchk_set spoofchk_cfg = {0};
+ struct vf_data_storage *vf_infos = NULL;
+ u16 out_size = sizeof(spoofchk_cfg);
+ int err;
+
+ if (!hwdev)
+ return -EINVAL;
+
+ vf_infos = hwdev->func_to_io.vf_infos;
+
+ spoofchk_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id;
+ spoofchk_cfg.state = spoofchk ? 1 : 0;
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ENABLE_SPOOFCHK,
+ &spoofchk_cfg, sizeof(spoofchk_cfg),
+ &spoofchk_cfg, &out_size);
+ if (spoofchk_cfg.status == HINIC_MGMT_CMD_UNSUPPORTED) {
+ err = HINIC_MGMT_CMD_UNSUPPORTED;
+ } else if (err || !out_size || spoofchk_cfg.status) {
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) spoofchk, err: %d, status: 0x%x, out size: 0x%x\n",
+ HW_VF_ID_TO_OS(vf_id), err, spoofchk_cfg.status,
+ out_size);
+ err = -EIO;
+ }
+
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].spoofchk = spoofchk;
+
+ return err;
+}
+
+int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+ bool cur_spoofchk;
+ int err;
+
+ sriov_info = &nic_dev->sriov_info;
+ if (vf >= sriov_info->num_vfs)
+ return -EINVAL;
+
+ cur_spoofchk = nic_dev->hwdev->func_to_io.vf_infos[vf].spoofchk;
+
+ /* same request, so just return success */
+ if ((setting && cur_spoofchk) || (!setting && !cur_spoofchk))
+ return 0;
+
+ err = hinic_set_vf_spoofchk(sriov_info->hwdev,
+ OS_VF_ID_TO_HW(vf), setting);
+
+ if (!err) {
+ netif_info(nic_dev, drv, netdev, "Set VF %d spoofchk %s successfully\n",
+ vf, setting ? "on" : "off");
+ } else if (err == HINIC_MGMT_CMD_UNSUPPORTED) {
+ netif_err(nic_dev, drv, netdev,
+ "Current firmware doesn't support to set vf spoofchk, need to upgrade latest firmware version\n");
+ err = -EOPNOTSUPP;
+ }
+
+ return err;
+}
+
+static int hinic_set_vf_link_state(struct hinic_hwdev *hwdev, u16 vf_id,
+ int link)
+{
+ struct hinic_func_to_io *nic_io = &hwdev->func_to_io;
+ struct vf_data_storage *vf_infos = nic_io->vf_infos;
+ u8 link_status = 0;
+
+ switch (link) {
+ case HINIC_IFLA_VF_LINK_STATE_AUTO:
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = false;
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = nic_io->link_status ?
+ true : false;
+ link_status = nic_io->link_status;
+ break;
+ case HINIC_IFLA_VF_LINK_STATE_ENABLE:
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = true;
+ link_status = HINIC_LINK_UP;
+ break;
+ case HINIC_IFLA_VF_LINK_STATE_DISABLE:
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true;
+ vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = false;
+ link_status = HINIC_LINK_DOWN;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Notify the VF of its new link state */
+ hinic_notify_vf_link_status(hwdev, vf_id, link_status);
+
+ return 0;
+}
+
+int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_sriov_info *sriov_info;
+
+ sriov_info = &nic_dev->sriov_info;
+
+ if (vf_id >= sriov_info->num_vfs) {
+ netif_err(nic_dev, drv, netdev,
+ "Invalid VF Identifier %d\n", vf_id);
+ return -EINVAL;
+ }
+
+ return hinic_set_vf_link_state(sriov_info->hwdev,
+ OS_VF_ID_TO_HW(vf_id), link);
+}
+
+/* pf receive message from vf */
+static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size)
+{
+ struct vf_cmd_msg_handle *vf_msg_handle;
+ struct hinic_hwdev *dev = hwdev;
+ struct hinic_func_to_io *nic_io;
+ struct hinic_pfhwdev *pfhwdev;
+ int err = 0;
+ u32 i;
+
+ if (!hwdev)
+ return -EFAULT;
+
+ pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev);
+ nic_io = &dev->func_to_io;
+ for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) {
+ vf_msg_handle = &nic_vf_cmd_msg_handler[i];
+ if (cmd == vf_msg_handle->cmd &&
+ vf_msg_handle->cmd_msg_handler) {
+ err = vf_msg_handle->cmd_msg_handler(hwdev, vf_id,
+ buf_in, in_size,
+ buf_out,
+ out_size);
+ break;
+ }
+ }
+ if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler))
+ err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
+ cmd, buf_in, in_size, buf_out,
+ out_size, HINIC_MGMT_MSG_SYNC);
+
+ if (err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW)
+ dev_err(&nic_io->hwif->pdev->dev, "PF receive VF L2NIC cmd: %d process error, err:%d\n",
+ cmd, err);
+ return err;
+}
+
+static int cfg_mbx_pf_proc_vf_msg(void *hwdev, u16 vf_id, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size)
+{
+ struct hinic_dev_cap *dev_cap = buf_out;
+ struct hinic_hwdev *dev = hwdev;
+ struct hinic_cap *cap;
+
+ cap = &dev->nic_cap;
+ memset(dev_cap, 0, sizeof(*dev_cap));
+
+ dev_cap->max_vf = cap->max_vf;
+ dev_cap->max_sqs = cap->max_vf_qps;
+ dev_cap->max_rqs = cap->max_vf_qps;
+
+ *out_size = sizeof(*dev_cap);
+
+ return 0;
+}
+
+static int hinic_init_vf_infos(struct hinic_func_to_io *nic_io, u16 vf_id)
+{
+ struct vf_data_storage *vf_infos = nic_io->vf_infos;
+
+ if (set_vf_link_state > HINIC_IFLA_VF_LINK_STATE_DISABLE) {
+ dev_warn(&nic_io->hwif->pdev->dev, "Module Parameter set_vf_link_state value %d is out of range, resetting to %d\n",
+ set_vf_link_state, HINIC_IFLA_VF_LINK_STATE_AUTO);
+ set_vf_link_state = HINIC_IFLA_VF_LINK_STATE_AUTO;
+ }
+
+ switch (set_vf_link_state) {
+ case HINIC_IFLA_VF_LINK_STATE_AUTO:
+ vf_infos[vf_id].link_forced = false;
+ break;
+ case HINIC_IFLA_VF_LINK_STATE_ENABLE:
+ vf_infos[vf_id].link_forced = true;
+ vf_infos[vf_id].link_up = true;
+ break;
+ case HINIC_IFLA_VF_LINK_STATE_DISABLE:
+ vf_infos[vf_id].link_forced = true;
+ vf_infos[vf_id].link_up = false;
+ break;
+ default:
+ dev_err(&nic_io->hwif->pdev->dev, "Invalid input parameter set_vf_link_state: %d\n",
+ set_vf_link_state);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void hinic_clear_vf_infos(struct hinic_dev *nic_dev, u16 vf_id)
+{
+ struct vf_data_storage *vf_infos;
+ u16 func_id;
+
+ func_id = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + vf_id;
+ vf_infos = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id);
+ if (vf_infos->pf_set_mac)
+ hinic_port_del_mac(nic_dev, vf_infos->vf_mac_addr, 0);
+
+ if (hinic_vf_info_vlanprio(nic_dev->hwdev, vf_id))
+ hinic_kill_vf_vlan(nic_dev->hwdev, vf_id);
+
+ if (vf_infos->max_rate)
+ hinic_set_vf_tx_rate(nic_dev->hwdev, vf_id, 0, 0);
+
+ if (vf_infos->spoofchk)
+ hinic_set_vf_spoofchk(nic_dev->hwdev, vf_id, false);
+
+ if (vf_infos->trust)
+ hinic_set_vf_trust(nic_dev->hwdev, vf_id, false);
+
+ memset(vf_infos, 0, sizeof(*vf_infos));
+ /* set vf_infos to default */
+ hinic_init_vf_infos(&nic_dev->hwdev->func_to_io, HW_VF_ID_TO_OS(vf_id));
+}
+
+static int hinic_deinit_vf_hw(struct hinic_sriov_info *sriov_info,
+ u16 start_vf_id, u16 end_vf_id)
+{
+ struct hinic_dev *nic_dev;
+ u16 func_idx, idx;
+
+ nic_dev = container_of(sriov_info, struct hinic_dev, sriov_info);
+
+ for (idx = start_vf_id; idx <= end_vf_id; idx++) {
+ func_idx = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + idx;
+ hinic_set_wq_page_size(nic_dev->hwdev, func_idx,
+ HINIC_HW_WQ_PAGE_SIZE);
+ hinic_clear_vf_infos(nic_dev, idx);
+ }
+
+ return 0;
+}
+
+int hinic_vf_func_init(struct hinic_hwdev *hwdev)
+{
+ struct hinic_register_vf register_info = {0};
+ u16 out_size = sizeof(register_info);
+ struct hinic_func_to_io *nic_io;
+ int err = 0;
+ u32 size, i;
+
+ nic_io = &hwdev->func_to_io;
+
+ if (HINIC_IS_VF(hwdev->hwif)) {
+ err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
+ HINIC_PORT_CMD_VF_REGISTER,
+ &register_info, sizeof(register_info),
+ &register_info, &out_size, 0);
+ if (err || register_info.status || !out_size) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Failed to register VF, err: %d, status: 0x%x, out size: 0x%x\n",
+ err, register_info.status, out_size);
+ hinic_unregister_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
+ return -EIO;
+ }
+ } else {
+ err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_CFGM,
+ cfg_mbx_pf_proc_vf_msg);
+ if (err) {
+ dev_err(&hwdev->hwif->pdev->dev,
+ "Register PF mailbox callback failed\n");
+ return err;
+ }
+ nic_io->max_vfs = hwdev->nic_cap.max_vf;
+ size = sizeof(*nic_io->vf_infos) * nic_io->max_vfs;
+ if (size != 0) {
+ nic_io->vf_infos = kzalloc(size, GFP_KERNEL);
+ if (!nic_io->vf_infos) {
+ err = -ENOMEM;
+ goto out_free_nic_io;
+ }
+
+ for (i = 0; i < nic_io->max_vfs; i++) {
+ err = hinic_init_vf_infos(nic_io, i);
+ if (err)
+ goto err_init_vf_infos;
+ }
+
+ err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC,
+ nic_pf_mbox_handler);
+ if (err)
+ goto err_register_pf_mbox_cb;
+ }
+ }
+
+ return 0;
+
+err_register_pf_mbox_cb:
+err_init_vf_infos:
+ kfree(nic_io->vf_infos);
+out_free_nic_io:
+ return err;
+}
+
+void hinic_vf_func_free(struct hinic_hwdev *hwdev)
+{
+ struct hinic_register_vf unregister = {0};
+ u16 out_size = sizeof(unregister);
+ int err;
+
+ if (HINIC_IS_VF(hwdev->hwif)) {
+ err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC,
+ HINIC_PORT_CMD_VF_UNREGISTER,
+ &unregister, sizeof(unregister),
+ &unregister, &out_size, 0);
+ if (err || !out_size || unregister.status)
+ dev_err(&hwdev->hwif->pdev->dev, "Failed to unregister VF, err: %d, status: 0x%x, out_size: 0x%x\n",
+ err, unregister.status, out_size);
+ } else {
+ if (hwdev->func_to_io.vf_infos) {
+ hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC);
+ kfree(hwdev->func_to_io.vf_infos);
+ }
+ }
+}
+
+static int hinic_init_vf_hw(struct hinic_hwdev *hwdev, u16 start_vf_id,
+ u16 end_vf_id)
+{
+ u16 i, func_idx;
+ int err;
+
+ /* vf use 256K as default wq page size, and can't change it */
+ for (i = start_vf_id; i <= end_vf_id; i++) {
+ func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + i;
+ err = hinic_set_wq_page_size(hwdev, func_idx,
+ HINIC_DEFAULT_WQ_PAGE_SIZE);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+int hinic_pci_sriov_disable(struct pci_dev *pdev)
+{
+ struct hinic_sriov_info *sriov_info;
+ u16 tmp_vfs;
+
+ sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
+ /* if SR-IOV is already disabled then nothing will be done */
+ if (!sriov_info->sriov_enabled)
+ return 0;
+
+ set_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
+
+ /* If our VFs are assigned we cannot shut down SR-IOV
+ * without causing issues, so just leave the hardware
+ * available but disabled
+ */
+ if (pci_vfs_assigned(sriov_info->pdev)) {
+ clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
+ dev_warn(&pdev->dev, "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
+ return -EPERM;
+ }
+ sriov_info->sriov_enabled = false;
+
+ /* disable iov and allow time for transactions to clear */
+ pci_disable_sriov(sriov_info->pdev);
+
+ tmp_vfs = (u16)sriov_info->num_vfs;
+ sriov_info->num_vfs = 0;
+ hinic_deinit_vf_hw(sriov_info, OS_VF_ID_TO_HW(0),
+ OS_VF_ID_TO_HW(tmp_vfs - 1));
+
+ clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state);
+
+ return 0;
+}
+
+int hinic_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
+{
+ struct hinic_sriov_info *sriov_info;
+ int err;
+
+ sriov_info = hinic_get_sriov_info_by_pcidev(pdev);
+
+ if (test_and_set_bit(HINIC_SRIOV_ENABLE, &sriov_info->state)) {
+ dev_err(&pdev->dev,
+ "SR-IOV enable in process, please wait, num_vfs %d\n",
+ num_vfs);
+ return -EPERM;
+ }
+
+ err = hinic_init_vf_hw(sriov_info->hwdev, OS_VF_ID_TO_HW(0),
+ OS_VF_ID_TO_HW((u16)num_vfs - 1));
+ if (err) {
+ dev_err(&sriov_info->pdev->dev,
+ "Failed to init vf in hardware before enable sriov, error %d\n",
+ err);
+ clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
+ return err;
+ }
+
+ err = pci_enable_sriov(sriov_info->pdev, num_vfs);
+ if (err) {
+ dev_err(&pdev->dev,
+ "Failed to enable SR-IOV, error %d\n", err);
+ clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
+ return err;
+ }
+
+ sriov_info->sriov_enabled = true;
+ sriov_info->num_vfs = num_vfs;
+ clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state);
+
+ return num_vfs;
+}
+
+int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
+{
+ struct hinic_sriov_info *sriov_info;
+
+ sriov_info = hinic_get_sriov_info_by_pcidev(dev);
+
+ if (test_bit(HINIC_FUNC_REMOVE, &sriov_info->state))
+ return -EBUSY;
+
+ if (!num_vfs)
+ return hinic_pci_sriov_disable(dev);
+ else
+ return hinic_pci_sriov_enable(dev, num_vfs);
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_sriov.h b/drivers/net/ethernet/huawei/hinic/hinic_sriov.h
new file mode 100644
index 000000000000..ba627a362f9a
--- /dev/null
+++ b/drivers/net/ethernet/huawei/hinic/hinic_sriov.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Huawei HiNIC PCI Express Linux driver
+ * Copyright(c) 2017 Huawei Technologies Co., Ltd
+ */
+
+#ifndef HINIC_SRIOV_H
+#define HINIC_SRIOV_H
+
+#include "hinic_hw_dev.h"
+
+#define OS_VF_ID_TO_HW(os_vf_id) ((os_vf_id) + 1)
+#define HW_VF_ID_TO_OS(hw_vf_id) ((hw_vf_id) - 1)
+
+enum hinic_sriov_state {
+ HINIC_SRIOV_DISABLE,
+ HINIC_SRIOV_ENABLE,
+ HINIC_FUNC_REMOVE,
+};
+
+enum {
+ HINIC_IFLA_VF_LINK_STATE_AUTO, /* link state of the uplink */
+ HINIC_IFLA_VF_LINK_STATE_ENABLE, /* link always up */
+ HINIC_IFLA_VF_LINK_STATE_DISABLE, /* link always down */
+};
+
+struct hinic_sriov_info {
+ struct pci_dev *pdev;
+ struct hinic_hwdev *hwdev;
+ bool sriov_enabled;
+ unsigned int num_vfs;
+ unsigned long state;
+};
+
+struct vf_data_storage {
+ u8 vf_mac_addr[ETH_ALEN];
+ bool registered;
+ bool pf_set_mac;
+ u16 pf_vlan;
+ u8 pf_qos;
+ u32 max_rate;
+ u32 min_rate;
+
+ bool link_forced;
+ bool link_up; /* only valid if VF link is forced */
+ bool spoofchk;
+ bool trust;
+};
+
+struct hinic_register_vf {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+};
+
+struct hinic_port_mac_update {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 vlan_id;
+ u16 rsvd1;
+ u8 old_mac[ETH_ALEN];
+ u16 rsvd2;
+ u8 new_mac[ETH_ALEN];
+};
+
+struct hinic_vf_vlan_config {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_id;
+ u16 vlan_id;
+ u8 qos;
+ u8 rsvd1[7];
+};
+
+int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac);
+
+int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos,
+ __be16 vlan_proto);
+
+int hinic_ndo_get_vf_config(struct net_device *netdev,
+ int vf, struct ifla_vf_info *ivi);
+
+int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting);
+
+int hinic_ndo_set_vf_bw(struct net_device *netdev,
+ int vf, int min_tx_rate, int max_tx_rate);
+
+int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting);
+
+int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link);
+
+void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev,
+ u8 link_status);
+
+int hinic_pci_sriov_disable(struct pci_dev *dev);
+
+int hinic_pci_sriov_enable(struct pci_dev *dev, int num_vfs);
+
+int hinic_vf_func_init(struct hinic_hwdev *hwdev);
+
+void hinic_vf_func_free(struct hinic_hwdev *hwdev);
+
+int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
+
+#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
index 365016450bdb..4c66a0bc1b28 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
@@ -673,9 +673,11 @@ static int free_tx_poll(struct napi_struct *napi, int budget)
if (pkts < budget) {
napi_complete(napi);
- hinic_hwdev_set_msix_state(nic_dev->hwdev,
- sq->msix_entry,
- HINIC_MSIX_ENABLE);
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ hinic_hwdev_set_msix_state(nic_dev->hwdev,
+ sq->msix_entry,
+ HINIC_MSIX_ENABLE);
+
return pkts;
}
@@ -701,10 +703,11 @@ static irqreturn_t tx_irq(int irq, void *data)
nic_dev = netdev_priv(txq->netdev);
- /* Disable the interrupt until napi will be completed */
- hinic_hwdev_set_msix_state(nic_dev->hwdev,
- txq->sq->msix_entry,
- HINIC_MSIX_DISABLE);
+ if (!HINIC_IS_VF(nic_dev->hwdev->hwif))
+ /* Disable the interrupt until napi will be completed */
+ hinic_hwdev_set_msix_state(nic_dev->hwdev,
+ txq->sq->msix_entry,
+ HINIC_MSIX_DISABLE);
hinic_hwdev_msix_cnt_set(nic_dev->hwdev, txq->sq->msix_entry);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 4bd33245bad6..197dc5b2c090 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -2189,7 +2189,8 @@ static void __ibmvnic_reset(struct work_struct *work)
rc = do_hard_reset(adapter, rwi, reset_state);
rtnl_unlock();
}
- } else {
+ } else if (!(rwi->reset_reason == VNIC_RESET_FATAL &&
+ adapter->from_passive_init)) {
rc = do_reset(adapter, rwi, reset_state);
}
kfree(rwi);
@@ -4677,12 +4678,10 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
dev_err(dev, "Error %ld in VERSION_EXCHG_RSP\n", rc);
break;
}
- dev_info(dev, "Partner protocol version is %d\n",
- crq->version_exchange_rsp.version);
- if (be16_to_cpu(crq->version_exchange_rsp.version) <
- ibmvnic_version)
- ibmvnic_version =
+ ibmvnic_version =
be16_to_cpu(crq->version_exchange_rsp.version);
+ dev_info(dev, "Partner protocol version is %d\n",
+ ibmvnic_version);
send_cap_queries(adapter);
break;
case QUERY_CAPABILITY_RSP:
diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c
index 48428d6a00be..623e516a9630 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_hw.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c
@@ -3960,7 +3960,7 @@ static s32 e1000_do_read_eeprom(struct e1000_hw *hw, u16 offset, u16 words,
* @hw: Struct containing variables accessed by shared code
*
* Reads the first 64 16 bit words of the EEPROM and sums the values read.
- * If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
+ * If the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
* valid.
*/
s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw)
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index f7103356ef56..d9fa4600f745 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -542,8 +542,13 @@ void e1000_reinit_locked(struct e1000_adapter *adapter)
WARN_ON(in_interrupt());
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
- e1000_down(adapter);
- e1000_up(adapter);
+
+ /* only run the task if not already down */
+ if (!test_bit(__E1000_DOWN, &adapter->flags)) {
+ e1000_down(adapter);
+ e1000_up(adapter);
+ }
+
clear_bit(__E1000_RESETTING, &adapter->flags);
}
@@ -1433,10 +1438,15 @@ int e1000_close(struct net_device *netdev)
struct e1000_hw *hw = &adapter->hw;
int count = E1000_CHECK_RESET_COUNT;
- while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
+ while (test_and_set_bit(__E1000_RESETTING, &adapter->flags) && count--)
usleep_range(10000, 20000);
- WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
+ WARN_ON(count < 0);
+
+ /* signal that we're down so that the reset task will no longer run */
+ set_bit(__E1000_DOWN, &adapter->flags);
+ clear_bit(__E1000_RESETTING, &adapter->flags);
+
e1000_down(adapter);
e1000_power_down_phy(adapter);
e1000_free_irq(adapter);
@@ -1476,7 +1486,7 @@ static bool e1000_check_64k_bound(struct e1000_adapter *adapter, void *start,
if (hw->mac_type == e1000_82545 ||
hw->mac_type == e1000_ce4100 ||
hw->mac_type == e1000_82546) {
- return ((begin ^ (end - 1)) >> 16) != 0 ? false : true;
+ return ((begin ^ (end - 1)) >> 16) == 0;
}
return true;
@@ -3136,8 +3146,9 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
if (skb->data_len && hdr_len == len) {
switch (hw->mac_type) {
+ case e1000_82544: {
unsigned int pull_size;
- case e1000_82544:
+
/* Make sure we have room to chop off 4 bytes,
* and that the end alignment will work out to
* this hardware's requirements
@@ -3158,6 +3169,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
}
len = skb_headlen(skb);
break;
+ }
default:
/* do nothing */
break;
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 37a2314d3e6b..944abd5eae11 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -576,7 +576,6 @@ static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
#define er32(reg) __er32(hw, E1000_##reg)
-s32 __ew32_prepare(struct e1000_hw *hw);
void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val);
#define ew32(reg, val) __ew32(hw, E1000_##reg, (val))
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 735bf25952fc..f999cca37a8a 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -300,7 +300,11 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
* so forcibly disable it.
*/
hw->dev_spec.ich8lan.ulp_state = e1000_ulp_state_unknown;
- e1000_disable_ulp_lpt_lp(hw, true);
+ ret_val = e1000_disable_ulp_lpt_lp(hw, true);
+ if (ret_val) {
+ e_warn("Failed to disable ULP\n");
+ goto out;
+ }
ret_val = hw->phy.ops.acquire(hw);
if (ret_val) {
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 177c6da80c57..a279f4fa9962 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -107,6 +107,45 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = {
{0, NULL}
};
+struct e1000e_me_supported {
+ u16 device_id; /* supported device ID */
+};
+
+static const struct e1000e_me_supported me_supported[] = {
+ {E1000_DEV_ID_PCH_LPT_I217_LM},
+ {E1000_DEV_ID_PCH_LPTLP_I218_LM},
+ {E1000_DEV_ID_PCH_I218_LM2},
+ {E1000_DEV_ID_PCH_I218_LM3},
+ {E1000_DEV_ID_PCH_SPT_I219_LM},
+ {E1000_DEV_ID_PCH_SPT_I219_LM2},
+ {E1000_DEV_ID_PCH_LBG_I219_LM3},
+ {E1000_DEV_ID_PCH_SPT_I219_LM4},
+ {E1000_DEV_ID_PCH_SPT_I219_LM5},
+ {E1000_DEV_ID_PCH_CNP_I219_LM6},
+ {E1000_DEV_ID_PCH_CNP_I219_LM7},
+ {E1000_DEV_ID_PCH_ICP_I219_LM8},
+ {E1000_DEV_ID_PCH_ICP_I219_LM9},
+ {E1000_DEV_ID_PCH_CMP_I219_LM10},
+ {E1000_DEV_ID_PCH_CMP_I219_LM11},
+ {E1000_DEV_ID_PCH_CMP_I219_LM12},
+ {E1000_DEV_ID_PCH_TGP_I219_LM13},
+ {E1000_DEV_ID_PCH_TGP_I219_LM14},
+ {E1000_DEV_ID_PCH_TGP_I219_LM15},
+ {0}
+};
+
+static bool e1000e_check_me(u16 device_id)
+{
+ struct e1000e_me_supported *id;
+
+ for (id = (struct e1000e_me_supported *)me_supported;
+ id->device_id; id++)
+ if (device_id == id->device_id)
+ return true;
+
+ return false;
+}
+
/**
* __ew32_prepare - prepare to write to MAC CSR register on certain parts
* @hw: pointer to the HW structure
@@ -119,14 +158,12 @@ static const struct e1000_reg_info e1000_reg_info_tbl[] = {
* has bit 24 set while ME is accessing MAC CSR registers, wait if it is set
* and try again a number of times.
**/
-s32 __ew32_prepare(struct e1000_hw *hw)
+static void __ew32_prepare(struct e1000_hw *hw)
{
s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT;
while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i)
udelay(50);
-
- return i;
}
void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
@@ -607,11 +644,11 @@ static void e1000e_update_rdt_wa(struct e1000_ring *rx_ring, unsigned int i)
{
struct e1000_adapter *adapter = rx_ring->adapter;
struct e1000_hw *hw = &adapter->hw;
- s32 ret_val = __ew32_prepare(hw);
+ __ew32_prepare(hw);
writel(i, rx_ring->tail);
- if (unlikely(!ret_val && (i != readl(rx_ring->tail)))) {
+ if (unlikely(i != readl(rx_ring->tail))) {
u32 rctl = er32(RCTL);
ew32(RCTL, rctl & ~E1000_RCTL_EN);
@@ -624,11 +661,11 @@ static void e1000e_update_tdt_wa(struct e1000_ring *tx_ring, unsigned int i)
{
struct e1000_adapter *adapter = tx_ring->adapter;
struct e1000_hw *hw = &adapter->hw;
- s32 ret_val = __ew32_prepare(hw);
+ __ew32_prepare(hw);
writel(i, tx_ring->tail);
- if (unlikely(!ret_val && (i != readl(tx_ring->tail)))) {
+ if (unlikely(i != readl(tx_ring->tail))) {
u32 tctl = er32(TCTL);
ew32(TCTL, tctl & ~E1000_TCTL_EN);
@@ -5294,6 +5331,10 @@ static void e1000_watchdog_task(struct work_struct *work)
/* oops */
break;
}
+ if (hw->mac.type == e1000_pch_spt) {
+ netdev->features &= ~NETIF_F_TSO;
+ netdev->features &= ~NETIF_F_TSO6;
+ }
}
/* enable transmits in the hardware, need to do this
@@ -6404,6 +6445,31 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter)
mac_data |= BIT(3);
ew32(CTRL_EXT, mac_data);
+ /* Disable disconnected cable conditioning for Power Gating */
+ mac_data = er32(DPGFR);
+ mac_data |= BIT(2);
+ ew32(DPGFR, mac_data);
+
+ /* Don't wake from dynamic Power Gating with clock request */
+ mac_data = er32(FEXTNVM12);
+ mac_data |= BIT(12);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Ungate PGCB clock */
+ mac_data = er32(FEXTNVM9);
+ mac_data |= BIT(28);
+ ew32(FEXTNVM9, mac_data);
+
+ /* Enable K1 off to enable mPHY Power Gating */
+ mac_data = er32(FEXTNVM6);
+ mac_data |= BIT(31);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Enable mPHY power gating for any link and speed */
+ mac_data = er32(FEXTNVM8);
+ mac_data |= BIT(9);
+ ew32(FEXTNVM8, mac_data);
+
/* Enable the Dynamic Clock Gating in the DMA and MAC */
mac_data = er32(CTRL_EXT);
mac_data |= E1000_CTRL_EXT_DMA_DYN_CLK_EN;
@@ -6433,6 +6499,35 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter)
mac_data |= BIT(0);
ew32(FEXTNVM7, mac_data);
+ /* Disable mPHY power gating for any link and speed */
+ mac_data = er32(FEXTNVM8);
+ mac_data &= ~BIT(9);
+ ew32(FEXTNVM8, mac_data);
+
+ /* Disable K1 off */
+ mac_data = er32(FEXTNVM6);
+ mac_data &= ~BIT(31);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Disable Ungate PGCB clock */
+ mac_data = er32(FEXTNVM9);
+ mac_data &= ~BIT(28);
+ ew32(FEXTNVM9, mac_data);
+
+ /* Cancel not waking from dynamic
+ * Power Gating with clock request
+ */
+ mac_data = er32(FEXTNVM12);
+ mac_data &= ~BIT(12);
+ ew32(FEXTNVM12, mac_data);
+
+ /* Cancel disable disconnected cable conditioning
+ * for Power Gating
+ */
+ mac_data = er32(DPGFR);
+ mac_data &= ~BIT(2);
+ ew32(DPGFR, mac_data);
+
/* Disable Dynamic Power Gating */
mac_data = er32(CTRL_EXT);
mac_data &= 0xFFFFFFF7;
@@ -6858,7 +6953,8 @@ static int e1000e_pm_suspend(struct device *dev)
e1000e_pm_thaw(dev);
/* Introduce S0ix implementation */
- if (hw->mac.type >= e1000_pch_cnp)
+ if (hw->mac.type >= e1000_pch_cnp &&
+ !e1000e_check_me(hw->adapter->pdev->device))
e1000e_s0ix_entry_flow(adapter);
return rc;
@@ -6873,7 +6969,8 @@ static int e1000e_pm_resume(struct device *dev)
int rc;
/* Introduce S0ix implementation */
- if (hw->mac.type >= e1000_pch_cnp)
+ if (hw->mac.type >= e1000_pch_cnp &&
+ !e1000e_check_me(hw->adapter->pdev->device))
e1000e_s0ix_exit_flow(adapter);
rc = __e1000_resume(pdev);
@@ -7549,7 +7646,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
e1000_print_device_info(adapter);
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
if (pci_dev_run_wake(pdev) && hw->mac.type < e1000_pch_cnp)
pm_runtime_put_noidle(&pdev->dev);
diff --git a/drivers/net/ethernet/intel/e1000e/regs.h b/drivers/net/ethernet/intel/e1000e/regs.h
index df59fd1d660c..8165ba2619a4 100644
--- a/drivers/net/ethernet/intel/e1000e/regs.h
+++ b/drivers/net/ethernet/intel/e1000e/regs.h
@@ -21,9 +21,12 @@
#define E1000_FEXTNVM5 0x00014 /* Future Extended NVM 5 - RW */
#define E1000_FEXTNVM6 0x00010 /* Future Extended NVM 6 - RW */
#define E1000_FEXTNVM7 0x000E4 /* Future Extended NVM 7 - RW */
+#define E1000_FEXTNVM8 0x5BB0 /* Future Extended NVM 8 - RW */
#define E1000_FEXTNVM9 0x5BB4 /* Future Extended NVM 9 - RW */
#define E1000_FEXTNVM11 0x5BBC /* Future Extended NVM 11 - RW */
+#define E1000_FEXTNVM12 0x5BC0 /* Future Extended NVM 12 - RW */
#define E1000_PCIEANACFG 0x00F18 /* PCIE Analog Config */
+#define E1000_DPGFR 0x00FAC /* Dynamic Power Gate Force Control Register */
#define E1000_FCT 0x00030 /* Flow Control Type - RW */
#define E1000_VET 0x00038 /* VLAN Ether Type - RW */
#define E1000_ICR 0x000C0 /* Interrupt Cause Read - R/clr */
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 37514a75f928..6a089848c857 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -694,10 +694,8 @@ init_adminq_exit:
* i40e_shutdown_adminq - shutdown routine for the Admin Queue
* @hw: pointer to the hardware structure
**/
-i40e_status i40e_shutdown_adminq(struct i40e_hw *hw)
+void i40e_shutdown_adminq(struct i40e_hw *hw)
{
- i40e_status ret_code = 0;
-
if (i40e_check_asq_alive(hw))
i40e_aq_queue_shutdown(hw, true);
@@ -706,8 +704,6 @@ i40e_status i40e_shutdown_adminq(struct i40e_hw *hw)
if (hw->nvm_buff.va)
i40e_free_virt_mem(hw, &hw->nvm_buff);
-
- return ret_code;
}
/**
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 8c3e753bfb9d..5d807c8004f8 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -11,7 +11,7 @@
#include "i40e_diag.h"
#include "i40e_xsk.h"
#include <net/udp_tunnel.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
/* All i40e tracepoints are defined by the include below, which
* must be included exactly once across the whole kernel with
* CREATE_TRACE_POINTS defined
@@ -1611,7 +1611,7 @@ static int i40e_config_rss_aq(struct i40e_vsi *vsi, const u8 *seed,
}
}
if (lut) {
- bool pf_lut = vsi->type == I40E_VSI_MAIN ? true : false;
+ bool pf_lut = vsi->type == I40E_VSI_MAIN;
ret = i40e_aq_set_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
if (ret) {
@@ -3260,26 +3260,31 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
if (ring->vsi->type == I40E_VSI_MAIN)
xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
+ kfree(ring->rx_bi);
ring->xsk_umem = i40e_xsk_umem(ring);
if (ring->xsk_umem) {
- ring->rx_buf_len = ring->xsk_umem->chunk_size_nohr -
- XDP_PACKET_HEADROOM;
+ ret = i40e_alloc_rx_bi_zc(ring);
+ if (ret)
+ return ret;
+ ring->rx_buf_len = xsk_umem_get_rx_frame_size(ring->xsk_umem);
/* For AF_XDP ZC, we disallow packets to span on
* multiple buffers, thus letting us skip that
* handling in the fast-path.
*/
chain_len = 1;
- ring->zca.free = i40e_zca_free;
ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
- MEM_TYPE_ZERO_COPY,
- &ring->zca);
+ MEM_TYPE_XSK_BUFF_POOL,
+ NULL);
if (ret)
return ret;
dev_info(&vsi->back->pdev->dev,
- "Registered XDP mem model MEM_TYPE_ZERO_COPY on Rx ring %d\n",
+ "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n",
ring->queue_index);
} else {
+ ret = i40e_alloc_rx_bi(ring);
+ if (ret)
+ return ret;
ring->rx_buf_len = vsi->rx_buf_len;
if (ring->vsi->type == I40E_VSI_MAIN) {
ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
@@ -3344,9 +3349,12 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
ring->tail = hw->hw_addr + I40E_QRX_TAIL(pf_q);
writel(0, ring->tail);
- ok = ring->xsk_umem ?
- i40e_alloc_rx_buffers_zc(ring, I40E_DESC_UNUSED(ring)) :
- !i40e_alloc_rx_buffers(ring, I40E_DESC_UNUSED(ring));
+ if (ring->xsk_umem) {
+ xsk_buff_set_rxq_info(ring->xsk_umem, &ring->xdp_rxq);
+ ok = i40e_alloc_rx_buffers_zc(ring, I40E_DESC_UNUSED(ring));
+ } else {
+ ok = !i40e_alloc_rx_buffers(ring, I40E_DESC_UNUSED(ring));
+ }
if (!ok) {
/* Log this in case the user has forgotten to give the kernel
* any buffers, even later in the application.
@@ -11436,7 +11444,7 @@ static int i40e_get_rss_aq(struct i40e_vsi *vsi, const u8 *seed,
}
if (lut) {
- bool pf_lut = vsi->type == I40E_VSI_MAIN ? true : false;
+ bool pf_lut = vsi->type == I40E_VSI_MAIN;
ret = i40e_aq_get_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
if (ret) {
@@ -14478,29 +14486,29 @@ static void i40e_print_features(struct i40e_pf *pf)
i = snprintf(buf, INFO_STRING_LEN, "Features: PF-id[%d]", hw->pf_id);
#ifdef CONFIG_PCI_IOV
- i += snprintf(&buf[i], REMAIN(i), " VFs: %d", pf->num_req_vfs);
+ i += scnprintf(&buf[i], REMAIN(i), " VFs: %d", pf->num_req_vfs);
#endif
- i += snprintf(&buf[i], REMAIN(i), " VSIs: %d QP: %d",
+ i += scnprintf(&buf[i], REMAIN(i), " VSIs: %d QP: %d",
pf->hw.func_caps.num_vsis,
pf->vsi[pf->lan_vsi]->num_queue_pairs);
if (pf->flags & I40E_FLAG_RSS_ENABLED)
- i += snprintf(&buf[i], REMAIN(i), " RSS");
+ i += scnprintf(&buf[i], REMAIN(i), " RSS");
if (pf->flags & I40E_FLAG_FD_ATR_ENABLED)
- i += snprintf(&buf[i], REMAIN(i), " FD_ATR");
+ i += scnprintf(&buf[i], REMAIN(i), " FD_ATR");
if (pf->flags & I40E_FLAG_FD_SB_ENABLED) {
- i += snprintf(&buf[i], REMAIN(i), " FD_SB");
- i += snprintf(&buf[i], REMAIN(i), " NTUPLE");
+ i += scnprintf(&buf[i], REMAIN(i), " FD_SB");
+ i += scnprintf(&buf[i], REMAIN(i), " NTUPLE");
}
if (pf->flags & I40E_FLAG_DCB_CAPABLE)
- i += snprintf(&buf[i], REMAIN(i), " DCB");
- i += snprintf(&buf[i], REMAIN(i), " VxLAN");
- i += snprintf(&buf[i], REMAIN(i), " Geneve");
+ i += scnprintf(&buf[i], REMAIN(i), " DCB");
+ i += scnprintf(&buf[i], REMAIN(i), " VxLAN");
+ i += scnprintf(&buf[i], REMAIN(i), " Geneve");
if (pf->flags & I40E_FLAG_PTP)
- i += snprintf(&buf[i], REMAIN(i), " PTP");
+ i += scnprintf(&buf[i], REMAIN(i), " PTP");
if (pf->flags & I40E_FLAG_VEB_MODE_ENABLED)
- i += snprintf(&buf[i], REMAIN(i), " VEB");
+ i += scnprintf(&buf[i], REMAIN(i), " VEB");
else
- i += snprintf(&buf[i], REMAIN(i), " VEPA");
+ i += scnprintf(&buf[i], REMAIN(i), " VEPA");
dev_info(&pf->pdev->dev, "%s\n", buf);
kfree(buf);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
index bbb478f09093..5c1378641b3b 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
@@ -17,7 +17,7 @@
/* adminq functions */
i40e_status i40e_init_adminq(struct i40e_hw *hw);
-i40e_status i40e_shutdown_adminq(struct i40e_hw *hw);
+void i40e_shutdown_adminq(struct i40e_hw *hw);
void i40e_adminq_init_ring_data(struct i40e_hw *hw);
i40e_status i40e_clean_arq_element(struct i40e_hw *hw,
struct i40e_arq_event_info *e,
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index b8496037ef7f..f9555c847f73 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -521,28 +521,29 @@ int i40e_add_del_fdir(struct i40e_vsi *vsi,
/**
* i40e_fd_handle_status - check the Programming Status for FD
* @rx_ring: the Rx ring for this descriptor
- * @rx_desc: the Rx descriptor for programming Status, not a packet descriptor.
+ * @qword0_raw: qword0
+ * @qword1: qword1 after le_to_cpu
* @prog_id: the id originally used for programming
*
* This is used to verify if the FD programming or invalidation
* requested by SW to the HW is successful or not and take actions accordingly.
**/
-void i40e_fd_handle_status(struct i40e_ring *rx_ring,
- union i40e_rx_desc *rx_desc, u8 prog_id)
+static void i40e_fd_handle_status(struct i40e_ring *rx_ring, u64 qword0_raw,
+ u64 qword1, u8 prog_id)
{
struct i40e_pf *pf = rx_ring->vsi->back;
struct pci_dev *pdev = pf->pdev;
+ struct i40e_32b_rx_wb_qw0 *qw0;
u32 fcnt_prog, fcnt_avail;
u32 error;
- u64 qw;
- qw = le64_to_cpu(rx_desc->wb.qword1.status_error_len);
- error = (qw & I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >>
+ qw0 = (struct i40e_32b_rx_wb_qw0 *)&qword0_raw;
+ error = (qword1 & I40E_RX_PROG_STATUS_DESC_QW1_ERROR_MASK) >>
I40E_RX_PROG_STATUS_DESC_QW1_ERROR_SHIFT;
if (error == BIT(I40E_RX_PROG_STATUS_DESC_FD_TBL_FULL_SHIFT)) {
- pf->fd_inv = le32_to_cpu(rx_desc->wb.qword0.hi_dword.fd_id);
- if ((rx_desc->wb.qword0.hi_dword.fd_id != 0) ||
+ pf->fd_inv = le32_to_cpu(qw0->hi_dword.fd_id);
+ if (qw0->hi_dword.fd_id != 0 ||
(I40E_DEBUG_FD & pf->hw.debug_mask))
dev_warn(&pdev->dev, "ntuple filter loc = %d, could not be added\n",
pf->fd_inv);
@@ -560,7 +561,7 @@ void i40e_fd_handle_status(struct i40e_ring *rx_ring,
/* store the current atr filter count */
pf->fd_atr_cnt = i40e_get_current_atr_cnt(pf);
- if ((rx_desc->wb.qword0.hi_dword.fd_id == 0) &&
+ if (qw0->hi_dword.fd_id == 0 &&
test_bit(__I40E_FD_SB_AUTO_DISABLED, pf->state)) {
/* These set_bit() calls aren't atomic with the
* test_bit() here, but worse case we potentially
@@ -589,7 +590,7 @@ void i40e_fd_handle_status(struct i40e_ring *rx_ring,
} else if (error == BIT(I40E_RX_PROG_STATUS_DESC_NO_FD_ENTRY_SHIFT)) {
if (I40E_DEBUG_FD & pf->hw.debug_mask)
dev_info(&pdev->dev, "ntuple filter fd_id = %d, could not be removed\n",
- rx_desc->wb.qword0.hi_dword.fd_id);
+ qw0->hi_dword.fd_id);
}
}
@@ -1195,6 +1196,11 @@ clear_counts:
rc->total_packets = 0;
}
+static struct i40e_rx_buffer *i40e_rx_bi(struct i40e_ring *rx_ring, u32 idx)
+{
+ return &rx_ring->rx_bi[idx];
+}
+
/**
* i40e_reuse_rx_page - page flip buffer and store it back on the ring
* @rx_ring: rx descriptor ring to store buffers on
@@ -1208,7 +1214,7 @@ static void i40e_reuse_rx_page(struct i40e_ring *rx_ring,
struct i40e_rx_buffer *new_buff;
u16 nta = rx_ring->next_to_alloc;
- new_buff = &rx_ring->rx_bi[nta];
+ new_buff = i40e_rx_bi(rx_ring, nta);
/* update, and store next to alloc */
nta++;
@@ -1227,29 +1233,10 @@ static void i40e_reuse_rx_page(struct i40e_ring *rx_ring,
}
/**
- * i40e_rx_is_programming_status - check for programming status descriptor
- * @qw: qword representing status_error_len in CPU ordering
- *
- * The value of in the descriptor length field indicate if this
- * is a programming status descriptor for flow director or FCoE
- * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
- * it is a packet descriptor.
- **/
-static inline bool i40e_rx_is_programming_status(u64 qw)
-{
- /* The Rx filter programming status and SPH bit occupy the same
- * spot in the descriptor. Since we don't support packet split we
- * can just reuse the bit as an indication that this is a
- * programming status descriptor.
- */
- return qw & I40E_RXD_QW1_LENGTH_SPH_MASK;
-}
-
-/**
- * i40e_clean_programming_status - try clean the programming status descriptor
+ * i40e_clean_programming_status - clean the programming status descriptor
* @rx_ring: the rx ring that has this descriptor
- * @rx_desc: the rx descriptor written back by HW
- * @qw: qword representing status_error_len in CPU ordering
+ * @qword0_raw: qword0
+ * @qword1: qword1 representing status_error_len in CPU ordering
*
* Flow director should handle FD_FILTER_STATUS to check its filter programming
* status being successful or not and take actions accordingly. FCoE should
@@ -1257,34 +1244,16 @@ static inline bool i40e_rx_is_programming_status(u64 qw)
*
* Returns an i40e_rx_buffer to reuse if the cleanup occurred, otherwise NULL.
**/
-struct i40e_rx_buffer *i40e_clean_programming_status(
- struct i40e_ring *rx_ring,
- union i40e_rx_desc *rx_desc,
- u64 qw)
+void i40e_clean_programming_status(struct i40e_ring *rx_ring, u64 qword0_raw,
+ u64 qword1)
{
- struct i40e_rx_buffer *rx_buffer;
- u32 ntc;
u8 id;
- if (!i40e_rx_is_programming_status(qw))
- return NULL;
-
- ntc = rx_ring->next_to_clean;
-
- /* fetch, update, and store next to clean */
- rx_buffer = &rx_ring->rx_bi[ntc++];
- ntc = (ntc < rx_ring->count) ? ntc : 0;
- rx_ring->next_to_clean = ntc;
-
- prefetch(I40E_RX_DESC(rx_ring, ntc));
-
- id = (qw & I40E_RX_PROG_STATUS_DESC_QW1_PROGID_MASK) >>
+ id = (qword1 & I40E_RX_PROG_STATUS_DESC_QW1_PROGID_MASK) >>
I40E_RX_PROG_STATUS_DESC_QW1_PROGID_SHIFT;
if (id == I40E_RX_PROG_STATUS_DESC_FD_FILTER_STATUS)
- i40e_fd_handle_status(rx_ring, rx_desc, id);
-
- return rx_buffer;
+ i40e_fd_handle_status(rx_ring, qword0_raw, qword1, id);
}
/**
@@ -1336,13 +1305,25 @@ err:
return -ENOMEM;
}
+int i40e_alloc_rx_bi(struct i40e_ring *rx_ring)
+{
+ unsigned long sz = sizeof(*rx_ring->rx_bi) * rx_ring->count;
+
+ rx_ring->rx_bi = kzalloc(sz, GFP_KERNEL);
+ return rx_ring->rx_bi ? 0 : -ENOMEM;
+}
+
+static void i40e_clear_rx_bi(struct i40e_ring *rx_ring)
+{
+ memset(rx_ring->rx_bi, 0, sizeof(*rx_ring->rx_bi) * rx_ring->count);
+}
+
/**
* i40e_clean_rx_ring - Free Rx buffers
* @rx_ring: ring to be cleaned
**/
void i40e_clean_rx_ring(struct i40e_ring *rx_ring)
{
- unsigned long bi_size;
u16 i;
/* ring already cleared, nothing to do */
@@ -1361,7 +1342,7 @@ void i40e_clean_rx_ring(struct i40e_ring *rx_ring)
/* Free all the Rx ring sk_buffs */
for (i = 0; i < rx_ring->count; i++) {
- struct i40e_rx_buffer *rx_bi = &rx_ring->rx_bi[i];
+ struct i40e_rx_buffer *rx_bi = i40e_rx_bi(rx_ring, i);
if (!rx_bi->page)
continue;
@@ -1388,8 +1369,10 @@ void i40e_clean_rx_ring(struct i40e_ring *rx_ring)
}
skip_free:
- bi_size = sizeof(struct i40e_rx_buffer) * rx_ring->count;
- memset(rx_ring->rx_bi, 0, bi_size);
+ if (rx_ring->xsk_umem)
+ i40e_clear_rx_bi_zc(rx_ring);
+ else
+ i40e_clear_rx_bi(rx_ring);
/* Zero out the descriptor ring */
memset(rx_ring->desc, 0, rx_ring->size);
@@ -1430,15 +1413,7 @@ void i40e_free_rx_resources(struct i40e_ring *rx_ring)
int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
{
struct device *dev = rx_ring->dev;
- int err = -ENOMEM;
- int bi_size;
-
- /* warn if we are about to overwrite the pointer */
- WARN_ON(rx_ring->rx_bi);
- bi_size = sizeof(struct i40e_rx_buffer) * rx_ring->count;
- rx_ring->rx_bi = kzalloc(bi_size, GFP_KERNEL);
- if (!rx_ring->rx_bi)
- goto err;
+ int err;
u64_stats_init(&rx_ring->syncp);
@@ -1451,7 +1426,7 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
if (!rx_ring->desc) {
dev_info(dev, "Unable to allocate memory for the Rx descriptor ring, size=%d\n",
rx_ring->size);
- goto err;
+ return -ENOMEM;
}
rx_ring->next_to_alloc = 0;
@@ -1463,16 +1438,12 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
err = xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev,
rx_ring->queue_index);
if (err < 0)
- goto err;
+ return err;
}
rx_ring->xdp_prog = rx_ring->vsi->xdp_prog;
return 0;
-err:
- kfree(rx_ring->rx_bi);
- rx_ring->rx_bi = NULL;
- return err;
}
/**
@@ -1507,6 +1478,22 @@ static inline unsigned int i40e_rx_offset(struct i40e_ring *rx_ring)
return ring_uses_build_skb(rx_ring) ? I40E_SKB_PAD : 0;
}
+static unsigned int i40e_rx_frame_truesize(struct i40e_ring *rx_ring,
+ unsigned int size)
+{
+ unsigned int truesize;
+
+#if (PAGE_SIZE < 8192)
+ truesize = i40e_rx_pg_size(rx_ring) / 2; /* Must be power-of-2 */
+#else
+ truesize = i40e_rx_offset(rx_ring) ?
+ SKB_DATA_ALIGN(size + i40e_rx_offset(rx_ring)) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
+ SKB_DATA_ALIGN(size);
+#endif
+ return truesize;
+}
+
/**
* i40e_alloc_mapped_page - recycle or make a new page
* @rx_ring: ring to use
@@ -1576,7 +1563,7 @@ bool i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count)
return false;
rx_desc = I40E_RX_DESC(rx_ring, ntu);
- bi = &rx_ring->rx_bi[ntu];
+ bi = i40e_rx_bi(rx_ring, ntu);
do {
if (!i40e_alloc_mapped_page(rx_ring, bi))
@@ -1598,7 +1585,7 @@ bool i40e_alloc_rx_buffers(struct i40e_ring *rx_ring, u16 cleaned_count)
ntu++;
if (unlikely(ntu == rx_ring->count)) {
rx_desc = I40E_RX_DESC(rx_ring, 0);
- bi = rx_ring->rx_bi;
+ bi = i40e_rx_bi(rx_ring, 0);
ntu = 0;
}
@@ -1965,7 +1952,7 @@ static struct i40e_rx_buffer *i40e_get_rx_buffer(struct i40e_ring *rx_ring,
{
struct i40e_rx_buffer *rx_buffer;
- rx_buffer = &rx_ring->rx_bi[rx_ring->next_to_clean];
+ rx_buffer = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
prefetchw(rx_buffer->page);
/* we are reusing so sync this buffer for CPU use */
@@ -2180,7 +2167,7 @@ static int i40e_xmit_xdp_ring(struct xdp_frame *xdpf,
int i40e_xmit_xdp_tx_ring(struct xdp_buff *xdp, struct i40e_ring *xdp_ring)
{
- struct xdp_frame *xdpf = convert_to_xdp_frame(xdp);
+ struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return I40E_XDP_CONSUMED;
@@ -2246,13 +2233,11 @@ static void i40e_rx_buffer_flip(struct i40e_ring *rx_ring,
struct i40e_rx_buffer *rx_buffer,
unsigned int size)
{
-#if (PAGE_SIZE < 8192)
- unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2;
+ unsigned int truesize = i40e_rx_frame_truesize(rx_ring, size);
+#if (PAGE_SIZE < 8192)
rx_buffer->page_offset ^= truesize;
#else
- unsigned int truesize = SKB_DATA_ALIGN(i40e_rx_offset(rx_ring) + size);
-
rx_buffer->page_offset += truesize;
#endif
}
@@ -2335,6 +2320,9 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
bool failure = false;
struct xdp_buff xdp;
+#if (PAGE_SIZE < 8192)
+ xdp.frame_sz = i40e_rx_frame_truesize(rx_ring, 0);
+#endif
xdp.rxq = &rx_ring->xdp_rxq;
while (likely(total_rx_packets < (unsigned int)budget)) {
@@ -2365,9 +2353,12 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
*/
dma_rmb();
- rx_buffer = i40e_clean_programming_status(rx_ring, rx_desc,
- qword);
- if (unlikely(rx_buffer)) {
+ if (i40e_rx_is_programming_status(qword)) {
+ i40e_clean_programming_status(rx_ring,
+ rx_desc->raw.qword[0],
+ qword);
+ rx_buffer = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
+ i40e_inc_ntc(rx_ring);
i40e_reuse_rx_page(rx_ring, rx_buffer);
cleaned_count++;
continue;
@@ -2389,7 +2380,10 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget)
xdp.data_hard_start = xdp.data -
i40e_rx_offset(rx_ring);
xdp.data_end = xdp.data + size;
-
+#if (PAGE_SIZE > 4096)
+ /* At larger PAGE_SIZE, frame_sz depend on len size */
+ xdp.frame_sz = i40e_rx_frame_truesize(rx_ring, size);
+#endif
skb = i40e_run_xdp(rx_ring, &xdp);
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
index 36d37f31a287..5c255977fd58 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h
@@ -296,17 +296,9 @@ struct i40e_tx_buffer {
struct i40e_rx_buffer {
dma_addr_t dma;
- union {
- struct {
- struct page *page;
- __u32 page_offset;
- __u16 pagecnt_bias;
- };
- struct {
- void *addr;
- u64 handle;
- };
- };
+ struct page *page;
+ __u32 page_offset;
+ __u16 pagecnt_bias;
};
struct i40e_queue_stats {
@@ -358,6 +350,7 @@ struct i40e_ring {
union {
struct i40e_tx_buffer *tx_bi;
struct i40e_rx_buffer *rx_bi;
+ struct xdp_buff **rx_bi_zc;
};
DECLARE_BITMAP(state, __I40E_RING_STATE_NBITS);
u16 queue_index; /* Queue number of ring */
@@ -419,7 +412,6 @@ struct i40e_ring {
struct i40e_channel *ch;
struct xdp_rxq_info xdp_rxq;
struct xdp_umem *xsk_umem;
- struct zero_copy_allocator zca; /* ZC allocator anchor */
} ____cacheline_internodealigned_in_smp;
static inline bool ring_uses_build_skb(struct i40e_ring *ring)
@@ -495,6 +487,7 @@ int __i40e_maybe_stop_tx(struct i40e_ring *tx_ring, int size);
bool __i40e_chk_linearize(struct sk_buff *skb);
int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
u32 flags);
+int i40e_alloc_rx_bi(struct i40e_ring *rx_ring);
/**
* i40e_get_head - Retrieve head from head writeback
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h
index 8af0e99c6c0d..667c4dc4b39f 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx_common.h
@@ -4,13 +4,9 @@
#ifndef I40E_TXRX_COMMON_
#define I40E_TXRX_COMMON_
-void i40e_fd_handle_status(struct i40e_ring *rx_ring,
- union i40e_rx_desc *rx_desc, u8 prog_id);
int i40e_xmit_xdp_tx_ring(struct xdp_buff *xdp, struct i40e_ring *xdp_ring);
-struct i40e_rx_buffer *i40e_clean_programming_status(
- struct i40e_ring *rx_ring,
- union i40e_rx_desc *rx_desc,
- u64 qw);
+void i40e_clean_programming_status(struct i40e_ring *rx_ring, u64 qword0_raw,
+ u64 qword1);
void i40e_process_skb_fields(struct i40e_ring *rx_ring,
union i40e_rx_desc *rx_desc, struct sk_buff *skb);
void i40e_xdp_ring_update_tail(struct i40e_ring *xdp_ring);
@@ -84,6 +80,38 @@ static inline void i40e_arm_wb(struct i40e_ring *tx_ring,
}
}
+/**
+ * i40e_rx_is_programming_status - check for programming status descriptor
+ * @qword1: qword1 representing status_error_len in CPU ordering
+ *
+ * The value of in the descriptor length field indicate if this
+ * is a programming status descriptor for flow director or FCoE
+ * by the value of I40E_RX_PROG_STATUS_DESC_LENGTH, otherwise
+ * it is a packet descriptor.
+ **/
+static inline bool i40e_rx_is_programming_status(u64 qword1)
+{
+ /* The Rx filter programming status and SPH bit occupy the same
+ * spot in the descriptor. Since we don't support packet split we
+ * can just reuse the bit as an indication that this is a
+ * programming status descriptor.
+ */
+ return qword1 & I40E_RXD_QW1_LENGTH_SPH_MASK;
+}
+
+/**
+ * i40e_inc_ntc: Advance the next_to_clean index
+ * @rx_ring: Rx ring
+ **/
+static inline void i40e_inc_ntc(struct i40e_ring *rx_ring)
+{
+ u32 ntc = rx_ring->next_to_clean + 1;
+
+ ntc = (ntc < rx_ring->count) ? ntc : 0;
+ rx_ring->next_to_clean = ntc;
+ prefetch(I40E_RX_DESC(rx_ring, ntc));
+}
+
void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring);
void i40e_xsk_clean_tx_ring(struct i40e_ring *tx_ring);
bool i40e_xsk_any_rx_ring_enabled(struct i40e_vsi *vsi);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h
index 6ea2867ff60f..63e098f7cb63 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_type.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_type.h
@@ -689,7 +689,7 @@ union i40e_32byte_rx_desc {
__le64 rsvd2;
} read;
struct {
- struct {
+ struct i40e_32b_rx_wb_qw0 {
struct {
union {
__le16 mirroring_status;
@@ -727,6 +727,9 @@ union i40e_32byte_rx_desc {
} hi_dword;
} qword3;
} wb; /* writeback */
+ struct {
+ u64 qword[4];
+ } raw;
};
enum i40e_rx_desc_status_bits {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index 0b7d29192b2c..7276580cbe64 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -2,68 +2,30 @@
/* Copyright(c) 2018 Intel Corporation. */
#include <linux/bpf_trace.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/xdp.h>
#include "i40e.h"
#include "i40e_txrx_common.h"
#include "i40e_xsk.h"
-/**
- * i40e_xsk_umem_dma_map - DMA maps all UMEM memory for the netdev
- * @vsi: Current VSI
- * @umem: UMEM to DMA map
- *
- * Returns 0 on success, <0 on failure
- **/
-static int i40e_xsk_umem_dma_map(struct i40e_vsi *vsi, struct xdp_umem *umem)
+int i40e_alloc_rx_bi_zc(struct i40e_ring *rx_ring)
{
- struct i40e_pf *pf = vsi->back;
- struct device *dev;
- unsigned int i, j;
- dma_addr_t dma;
-
- dev = &pf->pdev->dev;
- for (i = 0; i < umem->npgs; i++) {
- dma = dma_map_page_attrs(dev, umem->pgs[i], 0, PAGE_SIZE,
- DMA_BIDIRECTIONAL, I40E_RX_DMA_ATTR);
- if (dma_mapping_error(dev, dma))
- goto out_unmap;
+ unsigned long sz = sizeof(*rx_ring->rx_bi_zc) * rx_ring->count;
- umem->pages[i].dma = dma;
- }
-
- return 0;
-
-out_unmap:
- for (j = 0; j < i; j++) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, I40E_RX_DMA_ATTR);
- umem->pages[i].dma = 0;
- }
-
- return -1;
+ rx_ring->rx_bi_zc = kzalloc(sz, GFP_KERNEL);
+ return rx_ring->rx_bi_zc ? 0 : -ENOMEM;
}
-/**
- * i40e_xsk_umem_dma_unmap - DMA unmaps all UMEM memory for the netdev
- * @vsi: Current VSI
- * @umem: UMEM to DMA map
- **/
-static void i40e_xsk_umem_dma_unmap(struct i40e_vsi *vsi, struct xdp_umem *umem)
+void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring)
{
- struct i40e_pf *pf = vsi->back;
- struct device *dev;
- unsigned int i;
-
- dev = &pf->pdev->dev;
-
- for (i = 0; i < umem->npgs; i++) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, I40E_RX_DMA_ATTR);
+ memset(rx_ring->rx_bi_zc, 0,
+ sizeof(*rx_ring->rx_bi_zc) * rx_ring->count);
+}
- umem->pages[i].dma = 0;
- }
+static struct xdp_buff **i40e_rx_bi(struct i40e_ring *rx_ring, u32 idx)
+{
+ return &rx_ring->rx_bi_zc[idx];
}
/**
@@ -78,7 +40,6 @@ static int i40e_xsk_umem_enable(struct i40e_vsi *vsi, struct xdp_umem *umem,
u16 qid)
{
struct net_device *netdev = vsi->netdev;
- struct xdp_umem_fq_reuse *reuseq;
bool if_running;
int err;
@@ -92,13 +53,7 @@ static int i40e_xsk_umem_enable(struct i40e_vsi *vsi, struct xdp_umem *umem,
qid >= netdev->real_num_tx_queues)
return -EINVAL;
- reuseq = xsk_reuseq_prepare(vsi->rx_rings[0]->count);
- if (!reuseq)
- return -ENOMEM;
-
- xsk_reuseq_free(xsk_reuseq_swap(umem, reuseq));
-
- err = i40e_xsk_umem_dma_map(vsi, umem);
+ err = xsk_buff_dma_map(umem, &vsi->back->pdev->dev, I40E_RX_DMA_ATTR);
if (err)
return err;
@@ -151,7 +106,7 @@ static int i40e_xsk_umem_disable(struct i40e_vsi *vsi, u16 qid)
}
clear_bit(qid, vsi->af_xdp_zc_qps);
- i40e_xsk_umem_dma_unmap(vsi, umem);
+ xsk_buff_dma_unmap(umem, I40E_RX_DMA_ATTR);
if (if_running) {
err = i40e_queue_pair_enable(vsi, qid);
@@ -184,17 +139,13 @@ int i40e_xsk_umem_setup(struct i40e_vsi *vsi, struct xdp_umem *umem,
* @rx_ring: Rx ring
* @xdp: xdp_buff used as input to the XDP program
*
- * This function enables or disables a UMEM to a certain ring.
- *
* Returns any of I40E_XDP_{PASS, CONSUMED, TX, REDIR}
**/
static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
{
- struct xdp_umem *umem = rx_ring->xsk_umem;
int err, result = I40E_XDP_PASS;
struct i40e_ring *xdp_ring;
struct bpf_prog *xdp_prog;
- u64 offset;
u32 act;
rcu_read_lock();
@@ -203,9 +154,6 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
*/
xdp_prog = READ_ONCE(rx_ring->xdp_prog);
act = bpf_prog_run_xdp(xdp_prog, xdp);
- offset = xdp->data - xdp->data_hard_start;
-
- xdp->handle = xsk_umem_adjust_offset(umem, xdp->handle, offset);
switch (act) {
case XDP_PASS:
@@ -232,107 +180,26 @@ static int i40e_run_xdp_zc(struct i40e_ring *rx_ring, struct xdp_buff *xdp)
return result;
}
-/**
- * i40e_alloc_buffer_zc - Allocates an i40e_rx_buffer
- * @rx_ring: Rx ring
- * @bi: Rx buffer to populate
- *
- * This function allocates an Rx buffer. The buffer can come from fill
- * queue, or via the recycle queue (next_to_alloc).
- *
- * Returns true for a successful allocation, false otherwise
- **/
-static bool i40e_alloc_buffer_zc(struct i40e_ring *rx_ring,
- struct i40e_rx_buffer *bi)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- void *addr = bi->addr;
- u64 handle, hr;
-
- if (addr) {
- rx_ring->rx_stats.page_reuse_count++;
- return true;
- }
-
- if (!xsk_umem_peek_addr(umem, &handle)) {
- rx_ring->rx_stats.alloc_page_failed++;
- return false;
- }
-
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- bi->dma = xdp_umem_get_dma(umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(umem, handle, umem->headroom);
-
- xsk_umem_release_addr(umem);
- return true;
-}
-
-/**
- * i40e_alloc_buffer_slow_zc - Allocates an i40e_rx_buffer
- * @rx_ring: Rx ring
- * @bi: Rx buffer to populate
- *
- * This function allocates an Rx buffer. The buffer can come from fill
- * queue, or via the reuse queue.
- *
- * Returns true for a successful allocation, false otherwise
- **/
-static bool i40e_alloc_buffer_slow_zc(struct i40e_ring *rx_ring,
- struct i40e_rx_buffer *bi)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- u64 handle, hr;
-
- if (!xsk_umem_peek_addr_rq(umem, &handle)) {
- rx_ring->rx_stats.alloc_page_failed++;
- return false;
- }
-
- handle &= rx_ring->xsk_umem->chunk_mask;
-
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- bi->dma = xdp_umem_get_dma(umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(umem, handle, umem->headroom);
-
- xsk_umem_release_addr_rq(umem);
- return true;
-}
-
-static __always_inline bool
-__i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count,
- bool alloc(struct i40e_ring *rx_ring,
- struct i40e_rx_buffer *bi))
+bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
{
u16 ntu = rx_ring->next_to_use;
union i40e_rx_desc *rx_desc;
- struct i40e_rx_buffer *bi;
+ struct xdp_buff **bi, *xdp;
+ dma_addr_t dma;
bool ok = true;
rx_desc = I40E_RX_DESC(rx_ring, ntu);
- bi = &rx_ring->rx_bi[ntu];
+ bi = i40e_rx_bi(rx_ring, ntu);
do {
- if (!alloc(rx_ring, bi)) {
+ xdp = xsk_buff_alloc(rx_ring->xsk_umem);
+ if (!xdp) {
ok = false;
goto no_buffers;
}
-
- dma_sync_single_range_for_device(rx_ring->dev, bi->dma, 0,
- rx_ring->rx_buf_len,
- DMA_BIDIRECTIONAL);
-
- rx_desc->read.pkt_addr = cpu_to_le64(bi->dma);
+ *bi = xdp;
+ dma = xsk_buff_xdp_get_dma(xdp);
+ rx_desc->read.pkt_addr = cpu_to_le64(dma);
+ rx_desc->read.hdr_addr = 0;
rx_desc++;
bi++;
@@ -340,11 +207,10 @@ __i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count,
if (unlikely(ntu == rx_ring->count)) {
rx_desc = I40E_RX_DESC(rx_ring, 0);
- bi = rx_ring->rx_bi;
+ bi = i40e_rx_bi(rx_ring, 0);
ntu = 0;
}
- rx_desc->wb.qword1.status_error_len = 0;
count--;
} while (count);
@@ -356,127 +222,8 @@ no_buffers:
}
/**
- * i40e_alloc_rx_buffers_zc - Allocates a number of Rx buffers
- * @rx_ring: Rx ring
- * @count: The number of buffers to allocate
- *
- * This function allocates a number of Rx buffers from the reuse queue
- * or fill ring and places them on the Rx ring.
- *
- * Returns true for a successful allocation, false otherwise
- **/
-bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 count)
-{
- return __i40e_alloc_rx_buffers_zc(rx_ring, count,
- i40e_alloc_buffer_slow_zc);
-}
-
-/**
- * i40e_alloc_rx_buffers_fast_zc - Allocates a number of Rx buffers
- * @rx_ring: Rx ring
- * @count: The number of buffers to allocate
- *
- * This function allocates a number of Rx buffers from the fill ring
- * or the internal recycle mechanism and places them on the Rx ring.
- *
- * Returns true for a successful allocation, false otherwise
- **/
-static bool i40e_alloc_rx_buffers_fast_zc(struct i40e_ring *rx_ring, u16 count)
-{
- return __i40e_alloc_rx_buffers_zc(rx_ring, count,
- i40e_alloc_buffer_zc);
-}
-
-/**
- * i40e_get_rx_buffer_zc - Return the current Rx buffer
- * @rx_ring: Rx ring
- * @size: The size of the rx buffer (read from descriptor)
- *
- * This function returns the current, received Rx buffer, and also
- * does DMA synchronization. the Rx ring.
- *
- * Returns the received Rx buffer
- **/
-static struct i40e_rx_buffer *i40e_get_rx_buffer_zc(struct i40e_ring *rx_ring,
- const unsigned int size)
-{
- struct i40e_rx_buffer *bi;
-
- bi = &rx_ring->rx_bi[rx_ring->next_to_clean];
-
- /* we are reusing so sync this buffer for CPU use */
- dma_sync_single_range_for_cpu(rx_ring->dev,
- bi->dma, 0,
- size,
- DMA_BIDIRECTIONAL);
-
- return bi;
-}
-
-/**
- * i40e_reuse_rx_buffer_zc - Recycle an Rx buffer
- * @rx_ring: Rx ring
- * @old_bi: The Rx buffer to recycle
- *
- * This function recycles a finished Rx buffer, and places it on the
- * recycle queue (next_to_alloc).
- **/
-static void i40e_reuse_rx_buffer_zc(struct i40e_ring *rx_ring,
- struct i40e_rx_buffer *old_bi)
-{
- struct i40e_rx_buffer *new_bi = &rx_ring->rx_bi[rx_ring->next_to_alloc];
- u16 nta = rx_ring->next_to_alloc;
-
- /* update, and store next to alloc */
- nta++;
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- /* transfer page from old buffer to new buffer */
- new_bi->dma = old_bi->dma;
- new_bi->addr = old_bi->addr;
- new_bi->handle = old_bi->handle;
-
- old_bi->addr = NULL;
-}
-
-/**
- * i40e_zca_free - Free callback for MEM_TYPE_ZERO_COPY allocations
- * @alloc: Zero-copy allocator
- * @handle: Buffer handle
- **/
-void i40e_zca_free(struct zero_copy_allocator *alloc, unsigned long handle)
-{
- struct i40e_rx_buffer *bi;
- struct i40e_ring *rx_ring;
- u64 hr, mask;
- u16 nta;
-
- rx_ring = container_of(alloc, struct i40e_ring, zca);
- hr = rx_ring->xsk_umem->headroom + XDP_PACKET_HEADROOM;
- mask = rx_ring->xsk_umem->chunk_mask;
-
- nta = rx_ring->next_to_alloc;
- bi = &rx_ring->rx_bi[nta];
-
- nta++;
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- handle &= mask;
-
- bi->dma = xdp_umem_get_dma(rx_ring->xsk_umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(rx_ring->xsk_umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(rx_ring->xsk_umem, (u64)handle,
- rx_ring->xsk_umem->headroom);
-}
-
-/**
- * i40e_construct_skb_zc - Create skbufff from zero-copy Rx buffer
+ * i40e_construct_skb_zc - Create skbuff from zero-copy Rx buffer
* @rx_ring: Rx ring
- * @bi: Rx buffer
* @xdp: xdp_buff
*
* This functions allocates a new skb from a zero-copy Rx buffer.
@@ -484,7 +231,6 @@ void i40e_zca_free(struct zero_copy_allocator *alloc, unsigned long handle)
* Returns the skb, or NULL on failure.
**/
static struct sk_buff *i40e_construct_skb_zc(struct i40e_ring *rx_ring,
- struct i40e_rx_buffer *bi,
struct xdp_buff *xdp)
{
unsigned int metasize = xdp->data - xdp->data_meta;
@@ -503,24 +249,11 @@ static struct sk_buff *i40e_construct_skb_zc(struct i40e_ring *rx_ring,
if (metasize)
skb_metadata_set(skb, metasize);
- i40e_reuse_rx_buffer_zc(rx_ring, bi);
+ xsk_buff_free(xdp);
return skb;
}
/**
- * i40e_inc_ntc: Advance the next_to_clean index
- * @rx_ring: Rx ring
- **/
-static void i40e_inc_ntc(struct i40e_ring *rx_ring)
-{
- u32 ntc = rx_ring->next_to_clean + 1;
-
- ntc = (ntc < rx_ring->count) ? ntc : 0;
- rx_ring->next_to_clean = ntc;
- prefetch(I40E_RX_DESC(rx_ring, ntc));
-}
-
-/**
* i40e_clean_rx_irq_zc - Consumes Rx packets from the hardware ring
* @rx_ring: Rx ring
* @budget: NAPI budget
@@ -534,20 +267,17 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
unsigned int xdp_res, xdp_xmit = 0;
bool failure = false;
struct sk_buff *skb;
- struct xdp_buff xdp;
-
- xdp.rxq = &rx_ring->xdp_rxq;
while (likely(total_rx_packets < (unsigned int)budget)) {
- struct i40e_rx_buffer *bi;
union i40e_rx_desc *rx_desc;
+ struct xdp_buff **bi;
unsigned int size;
u64 qword;
if (cleaned_count >= I40E_RX_BUFFER_WRITE) {
failure = failure ||
- !i40e_alloc_rx_buffers_fast_zc(rx_ring,
- cleaned_count);
+ !i40e_alloc_rx_buffers_zc(rx_ring,
+ cleaned_count);
cleaned_count = 0;
}
@@ -560,35 +290,36 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
*/
dma_rmb();
- bi = i40e_clean_programming_status(rx_ring, rx_desc,
- qword);
- if (unlikely(bi)) {
- i40e_reuse_rx_buffer_zc(rx_ring, bi);
+ if (i40e_rx_is_programming_status(qword)) {
+ i40e_clean_programming_status(rx_ring,
+ rx_desc->raw.qword[0],
+ qword);
+ bi = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
+ xsk_buff_free(*bi);
+ *bi = NULL;
cleaned_count++;
+ i40e_inc_ntc(rx_ring);
continue;
}
+ bi = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
size = (qword & I40E_RXD_QW1_LENGTH_PBUF_MASK) >>
I40E_RXD_QW1_LENGTH_PBUF_SHIFT;
if (!size)
break;
- bi = i40e_get_rx_buffer_zc(rx_ring, size);
- xdp.data = bi->addr;
- xdp.data_meta = xdp.data;
- xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM;
- xdp.data_end = xdp.data + size;
- xdp.handle = bi->handle;
+ bi = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
+ (*bi)->data_end = (*bi)->data + size;
+ xsk_buff_dma_sync_for_cpu(*bi);
- xdp_res = i40e_run_xdp_zc(rx_ring, &xdp);
+ xdp_res = i40e_run_xdp_zc(rx_ring, *bi);
if (xdp_res) {
- if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR)) {
+ if (xdp_res & (I40E_XDP_TX | I40E_XDP_REDIR))
xdp_xmit |= xdp_res;
- bi->addr = NULL;
- } else {
- i40e_reuse_rx_buffer_zc(rx_ring, bi);
- }
+ else
+ xsk_buff_free(*bi);
+ *bi = NULL;
total_rx_bytes += size;
total_rx_packets++;
@@ -604,7 +335,8 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
* BIT(I40E_RXD_QW1_ERROR_SHIFT). This is due to that
* SBP is *not* set in PRT_SBPVSI (default not set).
*/
- skb = i40e_construct_skb_zc(rx_ring, bi, &xdp);
+ skb = i40e_construct_skb_zc(rx_ring, *bi);
+ *bi = NULL;
if (!skb) {
rx_ring->rx_stats.alloc_buff_failed++;
break;
@@ -662,10 +394,9 @@ static bool i40e_xmit_zc(struct i40e_ring *xdp_ring, unsigned int budget)
if (!xsk_umem_consume_tx(xdp_ring->xsk_umem, &desc))
break;
- dma = xdp_umem_get_dma(xdp_ring->xsk_umem, desc.addr);
-
- dma_sync_single_for_device(xdp_ring->dev, dma, desc.len,
- DMA_BIDIRECTIONAL);
+ dma = xsk_buff_raw_get_dma(xdp_ring->xsk_umem, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_umem, dma,
+ desc.len);
tx_bi = &xdp_ring->tx_bi[xdp_ring->next_to_use];
tx_bi->bytecount = desc.len;
@@ -824,13 +555,13 @@ void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring)
u16 i;
for (i = 0; i < rx_ring->count; i++) {
- struct i40e_rx_buffer *rx_bi = &rx_ring->rx_bi[i];
+ struct xdp_buff *rx_bi = *i40e_rx_bi(rx_ring, i);
- if (!rx_bi->addr)
+ if (!rx_bi)
continue;
- xsk_umem_fq_reuse(rx_ring->xsk_umem, rx_bi->handle);
- rx_bi->addr = NULL;
+ xsk_buff_free(rx_bi);
+ rx_bi = NULL;
}
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.h b/drivers/net/ethernet/intel/i40e/i40e_xsk.h
index 9ed59c14eb55..ea919a7d60ec 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.h
@@ -12,12 +12,13 @@ int i40e_queue_pair_disable(struct i40e_vsi *vsi, int queue_pair);
int i40e_queue_pair_enable(struct i40e_vsi *vsi, int queue_pair);
int i40e_xsk_umem_setup(struct i40e_vsi *vsi, struct xdp_umem *umem,
u16 qid);
-void i40e_zca_free(struct zero_copy_allocator *alloc, unsigned long handle);
bool i40e_alloc_rx_buffers_zc(struct i40e_ring *rx_ring, u16 cleaned_count);
int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget);
bool i40e_clean_xdp_tx_irq(struct i40e_vsi *vsi,
struct i40e_ring *tx_ring, int napi_budget);
int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags);
+int i40e_alloc_rx_bi_zc(struct i40e_ring *rx_ring);
+void i40e_clear_rx_bi_zc(struct i40e_ring *rx_ring);
#endif /* _I40E_XSK_H_ */
diff --git a/drivers/net/ethernet/intel/ice/Makefile b/drivers/net/ethernet/intel/ice/Makefile
index 29c6c6743450..980bbcc64b4b 100644
--- a/drivers/net/ethernet/intel/ice/Makefile
+++ b/drivers/net/ethernet/intel/ice/Makefile
@@ -17,10 +17,14 @@ ice-y := ice_main.o \
ice_lib.o \
ice_txrx_lib.o \
ice_txrx.o \
+ ice_fltr.o \
+ ice_fdir.o \
+ ice_ethtool_fdir.o \
ice_flex_pipe.o \
ice_flow.o \
ice_devlink.o \
ice_ethtool.o
ice-$(CONFIG_PCI_IOV) += ice_virtchnl_pf.o ice_sriov.o
ice-$(CONFIG_DCB) += ice_dcb.o ice_dcb_nl.o ice_dcb_lib.o
+ice-$(CONFIG_RFS_ACCEL) += ice_arfs.o
ice-$(CONFIG_XDP_SOCKETS) += ice_xsk.o
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 5c11448bfbb3..5792ee616b5c 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -34,9 +34,14 @@
#include <linux/ctype.h>
#include <linux/bpf.h>
#include <linux/avf/virtchnl.h>
+#include <linux/cpu_rmap.h>
#include <net/devlink.h>
#include <net/ipv6.h>
#include <net/xdp_sock.h>
+#include <net/geneve.h>
+#include <net/gre.h>
+#include <net/udp_tunnel.h>
+#include <net/vxlan.h>
#include "ice_devids.h"
#include "ice_type.h"
#include "ice_txrx.h"
@@ -46,7 +51,9 @@
#include "ice_sched.h"
#include "ice_virtchnl_pf.h"
#include "ice_sriov.h"
+#include "ice_fdir.h"
#include "ice_xsk.h"
+#include "ice_arfs.h"
extern const char ice_drv_ver[];
#define ICE_BAR0 0
@@ -62,6 +69,7 @@ extern const char ice_drv_ver[];
#define ICE_AQ_LEN 64
#define ICE_MBXSQ_LEN 64
#define ICE_MIN_MSIX 2
+#define ICE_FDIR_MSIX 1
#define ICE_NO_VSI 0xffff
#define ICE_VSI_MAP_CONTIG 0
#define ICE_VSI_MAP_SCATTER 1
@@ -90,6 +98,7 @@ extern const char ice_drv_ver[];
#define ICE_TX_DESC(R, i) (&(((struct ice_tx_desc *)((R)->desc))[i]))
#define ICE_RX_DESC(R, i) (&(((union ice_32b_rx_flex_desc *)((R)->desc))[i]))
#define ICE_TX_CTX_DESC(R, i) (&(((struct ice_tx_ctx_desc *)((R)->desc))[i]))
+#define ICE_TX_FDIRDESC(R, i) (&(((struct ice_fltr_desc *)((R)->desc))[i]))
/* Macro for each VSI in a PF */
#define ice_for_each_vsi(pf, i) \
@@ -210,6 +219,7 @@ enum ice_state {
__ICE_CFG_BUSY,
__ICE_SERVICE_SCHED,
__ICE_SERVICE_DIS,
+ __ICE_FD_FLUSH_REQ,
__ICE_OICR_INTR_DIS, /* Global OICR interrupt disabled */
__ICE_MDD_VF_PRINT_PENDING, /* set when MDD event handle */
__ICE_VF_RESETS_DISABLED, /* disable resets during ice_remove */
@@ -244,8 +254,8 @@ struct ice_vsi {
u32 tx_busy;
u32 rx_buf_failed;
u32 rx_page_failed;
- int num_q_vectors;
- int base_vector; /* IRQ base for OS reserved vectors */
+ u16 num_q_vectors;
+ u16 base_vector; /* IRQ base for OS reserved vectors */
enum ice_vsi_type type;
u16 vsi_num; /* HW (absolute) index of this VSI */
u16 idx; /* software index in pf->vsi[] */
@@ -253,6 +263,8 @@ struct ice_vsi {
s16 vf_id; /* VF ID for SR-IOV VSIs */
u16 ethtype; /* Ethernet protocol for pause frame */
+ u16 num_gfltr;
+ u16 num_bfltr;
/* RSS config */
u16 rss_table_size; /* HW RSS table size */
@@ -261,6 +273,14 @@ struct ice_vsi {
u8 *rss_lut_user; /* User configured lookup table entries */
u8 rss_lut_type; /* used to configure Get/Set RSS LUT AQ call */
+ /* aRFS members only allocated for the PF VSI */
+#define ICE_MAX_ARFS_LIST 1024
+#define ICE_ARFS_LST_MASK (ICE_MAX_ARFS_LIST - 1)
+ struct hlist_head *arfs_fltr_list;
+ struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
+ spinlock_t arfs_lock; /* protects aRFS hash table and filter state */
+ atomic_t *arfs_last_fltr_id;
+
u16 max_frame;
u16 rx_buf_len;
@@ -335,12 +355,14 @@ enum ice_pf_flags {
ICE_FLAG_SRIOV_CAPABLE,
ICE_FLAG_DCB_CAPABLE,
ICE_FLAG_DCB_ENA,
+ ICE_FLAG_FD_ENA,
ICE_FLAG_ADV_FEATURES,
ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA,
ICE_FLAG_NO_MEDIA,
ICE_FLAG_FW_LLDP_AGENT,
ICE_FLAG_ETHTOOL_CTXT, /* set when ethtool holds RTNL lock */
ICE_FLAG_LEGACY_RX,
+ ICE_FLAG_VF_TRUE_PROMISC_ENA,
ICE_FLAG_MDD_AUTO_RESET_VF,
ICE_PF_FLAGS_NBITS /* must be last */
};
@@ -362,11 +384,13 @@ struct ice_pf {
*/
u16 sriov_base_vector;
+ u16 ctrl_vsi_idx; /* control VSI index in pf->vsi array */
+
struct ice_vsi **vsi; /* VSIs created by the driver */
struct ice_sw *first_sw; /* first switch created by firmware */
/* Virtchnl/SR-IOV config info */
struct ice_vf *vf;
- int num_alloc_vfs; /* actual number of VFs allocated */
+ u16 num_alloc_vfs; /* actual number of VFs allocated */
u16 num_vfs_supported; /* num VFs supported for this PF */
u16 num_qps_per_vf;
u16 num_msix_per_vf;
@@ -385,11 +409,11 @@ struct ice_pf {
struct mutex tc_mutex; /* lock to protect TC changes */
u32 msg_enable;
u32 hw_csum_rx_error;
- u32 oicr_idx; /* Other interrupt cause MSIX vector index */
- u32 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
+ u16 oicr_idx; /* Other interrupt cause MSIX vector index */
+ u16 num_avail_sw_msix; /* remaining MSIX SW vectors left unclaimed */
u16 max_pf_txqs; /* Total Tx queues PF wide */
u16 max_pf_rxqs; /* Total Rx queues PF wide */
- u32 num_lan_msix; /* Total MSIX vectors for base driver */
+ u16 num_lan_msix; /* Total MSIX vectors for base driver */
u16 num_lan_tx; /* num LAN Tx queues setup */
u16 num_lan_rx; /* num LAN Rx queues setup */
u16 next_vsi; /* Next free slot in pf->vsi[] - 0-based! */
@@ -500,8 +524,27 @@ static inline struct ice_vsi *ice_get_main_vsi(struct ice_pf *pf)
return NULL;
}
+/**
+ * ice_get_ctrl_vsi - Get the control VSI
+ * @pf: PF instance
+ */
+static inline struct ice_vsi *ice_get_ctrl_vsi(struct ice_pf *pf)
+{
+ /* if pf->ctrl_vsi_idx is ICE_NO_VSI, control VSI was not set up */
+ if (!pf->vsi || pf->ctrl_vsi_idx == ICE_NO_VSI)
+ return NULL;
+
+ return pf->vsi[pf->ctrl_vsi_idx];
+}
+
+#define ICE_FD_STAT_CTR_BLOCK_COUNT 256
+#define ICE_FD_STAT_PF_IDX(base_idx) \
+ ((base_idx) * ICE_FD_STAT_CTR_BLOCK_COUNT)
+#define ICE_FD_SB_STAT_IDX(base_idx) ICE_FD_STAT_PF_IDX(base_idx)
+
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
+int ice_vsi_open_ctrl(struct ice_vsi *vsi);
void ice_set_ethtool_ops(struct net_device *netdev);
void ice_set_ethtool_safe_mode_ops(struct net_device *netdev);
u16 ice_get_avail_txq_count(struct ice_pf *pf);
@@ -523,7 +566,24 @@ int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset);
void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
+const char *ice_stat_str(enum ice_status stat_err);
+const char *ice_aq_str(enum ice_aq_err aq_err);
+int
+ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
+ bool is_tun);
+void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena);
+int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
+int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd);
+int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd);
+int
+ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs);
+void ice_fdir_release_flows(struct ice_hw *hw);
+void ice_fdir_replay_flows(struct ice_hw *hw);
+void ice_fdir_replay_fltrs(struct ice_pf *pf);
+int ice_fdir_create_dflt_rules(struct ice_pf *pf);
int ice_open(struct net_device *netdev);
int ice_stop(struct net_device *netdev);
+void ice_service_task_schedule(struct ice_pf *pf);
#endif /* _ICE_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
index 2381b4014ed6..92f82f2a8af4 100644
--- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
+++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
@@ -107,6 +107,7 @@ struct ice_aqc_list_caps_elem {
#define ICE_AQC_CAPS_RXQS 0x0041
#define ICE_AQC_CAPS_TXQS 0x0042
#define ICE_AQC_CAPS_MSIX 0x0043
+#define ICE_AQC_CAPS_FD 0x0045
#define ICE_AQC_CAPS_MAX_MTU 0x0047
u8 major_ver;
@@ -155,13 +156,11 @@ struct ice_aqc_manage_mac_write {
#define ICE_AQC_MAN_MAC_WR_MC_MAG_EN BIT(0)
#define ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP BIT(1)
#define ICE_AQC_MAN_MAC_WR_S 6
-#define ICE_AQC_MAN_MAC_WR_M (3 << ICE_AQC_MAN_MAC_WR_S)
+#define ICE_AQC_MAN_MAC_WR_M ICE_M(3, ICE_AQC_MAN_MAC_WR_S)
#define ICE_AQC_MAN_MAC_UPDATE_LAA 0
-#define ICE_AQC_MAN_MAC_UPDATE_LAA_WOL (BIT(0) << ICE_AQC_MAN_MAC_WR_S)
- /* High 16 bits of MAC address in big endian order */
- __be16 sah;
- /* Low 32 bits of MAC address in big endian order */
- __be32 sal;
+#define ICE_AQC_MAN_MAC_UPDATE_LAA_WOL BIT(ICE_AQC_MAN_MAC_WR_S)
+ /* byte stream in network order */
+ u8 mac_addr[ETH_ALEN];
__le32 addr_high;
__le32 addr_low;
};
@@ -232,6 +231,11 @@ struct ice_aqc_get_sw_cfg_resp {
*/
#define ICE_AQC_RES_TYPE_VSI_LIST_REP 0x03
#define ICE_AQC_RES_TYPE_VSI_LIST_PRUNE 0x04
+#define ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK 0x21
+#define ICE_AQC_RES_TYPE_FDIR_GUARANTEED_ENTRIES 0x22
+#define ICE_AQC_RES_TYPE_FDIR_SHARED_ENTRIES 0x23
+#define ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID 0x58
+#define ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM 0x59
#define ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID 0x60
#define ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM 0x61
@@ -240,6 +244,9 @@ struct ice_aqc_get_sw_cfg_resp {
#define ICE_AQC_RES_TYPE_FLAG_DEDICATED 0x00
+#define ICE_AQC_RES_TYPE_S 0
+#define ICE_AQC_RES_TYPE_M (0x07F << ICE_AQC_RES_TYPE_S)
+
/* Allocate Resources command (indirect 0x0208)
* Free Resources command (indirect 0x0209)
*/
@@ -541,7 +548,7 @@ struct ice_sw_rule_lkup_rx_tx {
#define ICE_SINGLE_ACT_OTHER_ACTS 0x3
#define ICE_SINGLE_OTHER_ACT_IDENTIFIER_S 17
#define ICE_SINGLE_OTHER_ACT_IDENTIFIER_M \
- (0x3 << \ ICE_SINGLE_OTHER_ACT_IDENTIFIER_S)
+ (0x3 << ICE_SINGLE_OTHER_ACT_IDENTIFIER_S)
/* Bit 17:18 - Defines other actions */
/* Other action = 0 - Mirror VSI */
@@ -967,7 +974,7 @@ struct ice_aqc_get_phy_caps {
#define ICE_PHY_TYPE_HIGH_100G_CAUI2 BIT_ULL(2)
#define ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC BIT_ULL(3)
#define ICE_PHY_TYPE_HIGH_100G_AUI2 BIT_ULL(4)
-#define ICE_PHY_TYPE_HIGH_MAX_INDEX 19
+#define ICE_PHY_TYPE_HIGH_MAX_INDEX 5
struct ice_aqc_get_phy_caps_data {
__le64 phy_type_low; /* Use values from ICE_PHY_TYPE_LOW_* */
@@ -1059,6 +1066,25 @@ struct ice_aqc_set_phy_cfg_data {
u8 rsvd1;
};
+/* Set MAC Config command data structure (direct 0x0603) */
+struct ice_aqc_set_mac_cfg {
+ __le16 max_frame_size;
+ u8 params;
+#define ICE_AQ_SET_MAC_PACE_S 3
+#define ICE_AQ_SET_MAC_PACE_M (0xF << ICE_AQ_SET_MAC_PACE_S)
+#define ICE_AQ_SET_MAC_PACE_TYPE_M BIT(7)
+#define ICE_AQ_SET_MAC_PACE_TYPE_RATE 0
+#define ICE_AQ_SET_MAC_PACE_TYPE_FIXED ICE_AQ_SET_MAC_PACE_TYPE_M
+ u8 tx_tmr_priority;
+ __le16 tx_tmr_value;
+ __le16 fc_refresh_threshold;
+ u8 drop_opts;
+#define ICE_AQ_SET_MAC_AUTO_DROP_MASK BIT(0)
+#define ICE_AQ_SET_MAC_AUTO_DROP_NONE 0
+#define ICE_AQ_SET_MAC_AUTO_DROP_BLOCKING_PKTS BIT(0)
+ u8 reserved[7];
+};
+
/* Restart AN command data structure (direct 0x0605)
* Also used for response, with only the lport_num field present.
*/
@@ -1264,6 +1290,33 @@ struct ice_aqc_nvm_checksum {
u8 rsvd2[12];
};
+/* The result of netlist NVM read comes in a TLV format. The actual data
+ * (netlist header) starts from word offset 1 (byte 2). The FW strips
+ * out the type field from the TLV header so all the netlist fields
+ * should adjust their offset value by 1 word (2 bytes) in order to map
+ * their correct location.
+ */
+#define ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID 0x11B
+#define ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN_OFFSET 1
+#define ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN 2 /* In bytes */
+#define ICE_AQC_NVM_NETLIST_NODE_COUNT_OFFSET 2
+#define ICE_AQC_NVM_NETLIST_NODE_COUNT_LEN 2 /* In bytes */
+#define ICE_AQC_NVM_NETLIST_NODE_COUNT_M ICE_M(0x3FF, 0)
+#define ICE_AQC_NVM_NETLIST_ID_BLK_START_OFFSET 5
+#define ICE_AQC_NVM_NETLIST_ID_BLK_LEN 0x30 /* In words */
+
+/* netlist ID block field offsets (word offsets) */
+#define ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_LOW 2
+#define ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_HIGH 3
+#define ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_LOW 4
+#define ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_HIGH 5
+#define ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_LOW 6
+#define ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_HIGH 7
+#define ICE_AQC_NVM_NETLIST_ID_BLK_REV_LOW 8
+#define ICE_AQC_NVM_NETLIST_ID_BLK_REV_HIGH 9
+#define ICE_AQC_NVM_NETLIST_ID_BLK_SHA_HASH 0xA
+#define ICE_AQC_NVM_NETLIST_ID_BLK_CUST_VER 0x2F
+
/**
* Send to PF command (indirect 0x0801) ID is only used by PF
*
@@ -1648,10 +1701,12 @@ struct ice_pkg_ver {
};
#define ICE_PKG_NAME_SIZE 32
+#define ICE_SEG_NAME_SIZE 28
struct ice_aqc_get_pkg_info {
struct ice_pkg_ver ver;
- char name[ICE_PKG_NAME_SIZE];
+ char name[ICE_SEG_NAME_SIZE];
+ __le32 track_id;
u8 is_in_nvm;
u8 is_active;
u8 is_active_at_boot;
@@ -1738,6 +1793,7 @@ struct ice_aq_desc {
struct ice_aqc_download_pkg download_pkg;
struct ice_aqc_set_mac_lb set_mac_lb;
struct ice_aqc_alloc_free_res_cmd sw_res_ctrl;
+ struct ice_aqc_set_mac_cfg set_mac_cfg;
struct ice_aqc_set_event_mask set_event_mask;
struct ice_aqc_get_link_status get_link_status;
struct ice_aqc_event_lan_overflow lan_overflow;
@@ -1770,6 +1826,7 @@ enum ice_aq_err {
ICE_AQ_RC_EINVAL = 14, /* Invalid argument */
ICE_AQ_RC_ENOSPC = 16, /* No space left or allocation failure */
ICE_AQ_RC_ENOSYS = 17, /* Function not implemented */
+ ICE_AQ_RC_EMODE = 21, /* Op not allowed in current dev mode */
ICE_AQ_RC_ENOSEC = 24, /* Missing security manifest */
ICE_AQ_RC_EBADSIG = 25, /* Bad RSA signature */
ICE_AQ_RC_ESVN = 26, /* SVN number prohibits this package */
@@ -1834,6 +1891,7 @@ enum ice_adminq_opc {
/* PHY commands */
ice_aqc_opc_get_phy_caps = 0x0600,
ice_aqc_opc_set_phy_cfg = 0x0601,
+ ice_aqc_opc_set_mac_cfg = 0x0603,
ice_aqc_opc_restart_an = 0x0605,
ice_aqc_opc_get_link_status = 0x0607,
ice_aqc_opc_set_event_mask = 0x0613,
diff --git a/drivers/net/ethernet/intel/ice/ice_arfs.c b/drivers/net/ethernet/intel/ice/ice_arfs.c
new file mode 100644
index 000000000000..6560acd76c94
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_arfs.c
@@ -0,0 +1,663 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#include "ice.h"
+
+/**
+ * ice_is_arfs_active - helper to check is aRFS is active
+ * @vsi: VSI to check
+ */
+static bool ice_is_arfs_active(struct ice_vsi *vsi)
+{
+ return !!vsi->arfs_fltr_list;
+}
+
+/**
+ * ice_is_arfs_using_perfect_flow - check if aRFS has active perfect filters
+ * @hw: pointer to the HW structure
+ * @flow_type: flow type as Flow Director understands it
+ *
+ * Flow Director will query this function to see if aRFS is currently using
+ * the specified flow_type for perfect (4-tuple) filters.
+ */
+bool
+ice_is_arfs_using_perfect_flow(struct ice_hw *hw, enum ice_fltr_ptype flow_type)
+{
+ struct ice_arfs_active_fltr_cntrs *arfs_fltr_cntrs;
+ struct ice_pf *pf = hw->back;
+ struct ice_vsi *vsi;
+
+ vsi = ice_get_main_vsi(pf);
+ if (!vsi)
+ return false;
+
+ arfs_fltr_cntrs = vsi->arfs_fltr_cntrs;
+
+ /* active counters can be updated by multiple CPUs */
+ smp_mb__before_atomic();
+ switch (flow_type) {
+ case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
+ return atomic_read(&arfs_fltr_cntrs->active_udpv4_cnt) > 0;
+ case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
+ return atomic_read(&arfs_fltr_cntrs->active_udpv6_cnt) > 0;
+ case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
+ return atomic_read(&arfs_fltr_cntrs->active_tcpv4_cnt) > 0;
+ case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
+ return atomic_read(&arfs_fltr_cntrs->active_tcpv6_cnt) > 0;
+ default:
+ return false;
+ }
+}
+
+/**
+ * ice_arfs_update_active_fltr_cntrs - update active filter counters for aRFS
+ * @vsi: VSI that aRFS is active on
+ * @entry: aRFS entry used to change counters
+ * @add: true to increment counter, false to decrement
+ */
+static void
+ice_arfs_update_active_fltr_cntrs(struct ice_vsi *vsi,
+ struct ice_arfs_entry *entry, bool add)
+{
+ struct ice_arfs_active_fltr_cntrs *fltr_cntrs = vsi->arfs_fltr_cntrs;
+
+ switch (entry->fltr_info.flow_type) {
+ case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
+ if (add)
+ atomic_inc(&fltr_cntrs->active_tcpv4_cnt);
+ else
+ atomic_dec(&fltr_cntrs->active_tcpv4_cnt);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
+ if (add)
+ atomic_inc(&fltr_cntrs->active_tcpv6_cnt);
+ else
+ atomic_dec(&fltr_cntrs->active_tcpv6_cnt);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
+ if (add)
+ atomic_inc(&fltr_cntrs->active_udpv4_cnt);
+ else
+ atomic_dec(&fltr_cntrs->active_udpv4_cnt);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
+ if (add)
+ atomic_inc(&fltr_cntrs->active_udpv6_cnt);
+ else
+ atomic_dec(&fltr_cntrs->active_udpv6_cnt);
+ break;
+ default:
+ dev_err(ice_pf_to_dev(vsi->back), "aRFS: Failed to update filter counters, invalid filter type %d\n",
+ entry->fltr_info.flow_type);
+ }
+}
+
+/**
+ * ice_arfs_del_flow_rules - delete the rules passed in from HW
+ * @vsi: VSI for the flow rules that need to be deleted
+ * @del_list_head: head of the list of ice_arfs_entry(s) for rule deletion
+ *
+ * Loop through the delete list passed in and remove the rules from HW. After
+ * each rule is deleted, disconnect and free the ice_arfs_entry because it is no
+ * longer being referenced by the aRFS hash table.
+ */
+static void
+ice_arfs_del_flow_rules(struct ice_vsi *vsi, struct hlist_head *del_list_head)
+{
+ struct ice_arfs_entry *e;
+ struct hlist_node *n;
+ struct device *dev;
+
+ dev = ice_pf_to_dev(vsi->back);
+
+ hlist_for_each_entry_safe(e, n, del_list_head, list_entry) {
+ int result;
+
+ result = ice_fdir_write_fltr(vsi->back, &e->fltr_info, false,
+ false);
+ if (!result)
+ ice_arfs_update_active_fltr_cntrs(vsi, e, false);
+ else
+ dev_dbg(dev, "Unable to delete aRFS entry, err %d fltr_state %d fltr_id %d flow_id %d Q %d\n",
+ result, e->fltr_state, e->fltr_info.fltr_id,
+ e->flow_id, e->fltr_info.q_index);
+
+ /* The aRFS hash table is no longer referencing this entry */
+ hlist_del(&e->list_entry);
+ devm_kfree(dev, e);
+ }
+}
+
+/**
+ * ice_arfs_add_flow_rules - add the rules passed in from HW
+ * @vsi: VSI for the flow rules that need to be added
+ * @add_list_head: head of the list of ice_arfs_entry_ptr(s) for rule addition
+ *
+ * Loop through the add list passed in and remove the rules from HW. After each
+ * rule is added, disconnect and free the ice_arfs_entry_ptr node. Don't free
+ * the ice_arfs_entry(s) because they are still being referenced in the aRFS
+ * hash table.
+ */
+static void
+ice_arfs_add_flow_rules(struct ice_vsi *vsi, struct hlist_head *add_list_head)
+{
+ struct ice_arfs_entry_ptr *ep;
+ struct hlist_node *n;
+ struct device *dev;
+
+ dev = ice_pf_to_dev(vsi->back);
+
+ hlist_for_each_entry_safe(ep, n, add_list_head, list_entry) {
+ int result;
+
+ result = ice_fdir_write_fltr(vsi->back,
+ &ep->arfs_entry->fltr_info, true,
+ false);
+ if (!result)
+ ice_arfs_update_active_fltr_cntrs(vsi, ep->arfs_entry,
+ true);
+ else
+ dev_dbg(dev, "Unable to add aRFS entry, err %d fltr_state %d fltr_id %d flow_id %d Q %d\n",
+ result, ep->arfs_entry->fltr_state,
+ ep->arfs_entry->fltr_info.fltr_id,
+ ep->arfs_entry->flow_id,
+ ep->arfs_entry->fltr_info.q_index);
+
+ hlist_del(&ep->list_entry);
+ devm_kfree(dev, ep);
+ }
+}
+
+/**
+ * ice_arfs_is_flow_expired - check if the aRFS entry has expired
+ * @vsi: VSI containing the aRFS entry
+ * @arfs_entry: aRFS entry that's being checked for expiration
+ *
+ * Return true if the flow has expired, else false. This function should be used
+ * to determine whether or not an aRFS entry should be removed from the hardware
+ * and software structures.
+ */
+static bool
+ice_arfs_is_flow_expired(struct ice_vsi *vsi, struct ice_arfs_entry *arfs_entry)
+{
+#define ICE_ARFS_TIME_DELTA_EXPIRATION msecs_to_jiffies(5000)
+ if (rps_may_expire_flow(vsi->netdev, arfs_entry->fltr_info.q_index,
+ arfs_entry->flow_id,
+ arfs_entry->fltr_info.fltr_id))
+ return true;
+
+ /* expiration timer only used for UDP filters */
+ if (arfs_entry->fltr_info.flow_type != ICE_FLTR_PTYPE_NONF_IPV4_UDP &&
+ arfs_entry->fltr_info.flow_type != ICE_FLTR_PTYPE_NONF_IPV6_UDP)
+ return false;
+
+ return time_in_range64(arfs_entry->time_activated +
+ ICE_ARFS_TIME_DELTA_EXPIRATION,
+ arfs_entry->time_activated, get_jiffies_64());
+}
+
+/**
+ * ice_arfs_update_flow_rules - add/delete aRFS rules in HW
+ * @vsi: the VSI to be forwarded to
+ * @idx: index into the table of aRFS filter lists. Obtained from skb->hash
+ * @add_list: list to populate with filters to be added to Flow Director
+ * @del_list: list to populate with filters to be deleted from Flow Director
+ *
+ * Iterate over the hlist at the index given in the aRFS hash table and
+ * determine if there are any aRFS entries that need to be either added or
+ * deleted in the HW. If the aRFS entry is marked as ICE_ARFS_INACTIVE the
+ * filter needs to be added to HW, else if it's marked as ICE_ARFS_ACTIVE and
+ * the flow has expired delete the filter from HW. The caller of this function
+ * is expected to add/delete rules on the add_list/del_list respectively.
+ */
+static void
+ice_arfs_update_flow_rules(struct ice_vsi *vsi, u16 idx,
+ struct hlist_head *add_list,
+ struct hlist_head *del_list)
+{
+ struct ice_arfs_entry *e;
+ struct hlist_node *n;
+ struct device *dev;
+
+ dev = ice_pf_to_dev(vsi->back);
+
+ /* go through the aRFS hlist at this idx and check for needed updates */
+ hlist_for_each_entry_safe(e, n, &vsi->arfs_fltr_list[idx], list_entry)
+ /* check if filter needs to be added to HW */
+ if (e->fltr_state == ICE_ARFS_INACTIVE) {
+ enum ice_fltr_ptype flow_type = e->fltr_info.flow_type;
+ struct ice_arfs_entry_ptr *ep =
+ devm_kzalloc(dev, sizeof(*ep), GFP_ATOMIC);
+
+ if (!ep)
+ continue;
+ INIT_HLIST_NODE(&ep->list_entry);
+ /* reference aRFS entry to add HW filter */
+ ep->arfs_entry = e;
+ hlist_add_head(&ep->list_entry, add_list);
+ e->fltr_state = ICE_ARFS_ACTIVE;
+ /* expiration timer only used for UDP flows */
+ if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP)
+ e->time_activated = get_jiffies_64();
+ } else if (e->fltr_state == ICE_ARFS_ACTIVE) {
+ /* check if filter needs to be removed from HW */
+ if (ice_arfs_is_flow_expired(vsi, e)) {
+ /* remove aRFS entry from hash table for delete
+ * and to prevent referencing it the next time
+ * through this hlist index
+ */
+ hlist_del(&e->list_entry);
+ e->fltr_state = ICE_ARFS_TODEL;
+ /* save reference to aRFS entry for delete */
+ hlist_add_head(&e->list_entry, del_list);
+ }
+ }
+}
+
+/**
+ * ice_sync_arfs_fltrs - update all aRFS filters
+ * @pf: board private structure
+ */
+void ice_sync_arfs_fltrs(struct ice_pf *pf)
+{
+ HLIST_HEAD(tmp_del_list);
+ HLIST_HEAD(tmp_add_list);
+ struct ice_vsi *pf_vsi;
+ unsigned int i;
+
+ pf_vsi = ice_get_main_vsi(pf);
+ if (!pf_vsi)
+ return;
+
+ if (!ice_is_arfs_active(pf_vsi))
+ return;
+
+ spin_lock_bh(&pf_vsi->arfs_lock);
+ /* Once we process aRFS for the PF VSI get out */
+ for (i = 0; i < ICE_MAX_ARFS_LIST; i++)
+ ice_arfs_update_flow_rules(pf_vsi, i, &tmp_add_list,
+ &tmp_del_list);
+ spin_unlock_bh(&pf_vsi->arfs_lock);
+
+ /* use list of ice_arfs_entry(s) for delete */
+ ice_arfs_del_flow_rules(pf_vsi, &tmp_del_list);
+
+ /* use list of ice_arfs_entry_ptr(s) for add */
+ ice_arfs_add_flow_rules(pf_vsi, &tmp_add_list);
+}
+
+/**
+ * ice_arfs_build_entry - builds an aRFS entry based on input
+ * @vsi: destination VSI for this flow
+ * @fk: flow dissector keys for creating the tuple
+ * @rxq_idx: Rx queue to steer this flow to
+ * @flow_id: passed down from the stack and saved for flow expiration
+ *
+ * returns an aRFS entry on success and NULL on failure
+ */
+static struct ice_arfs_entry *
+ice_arfs_build_entry(struct ice_vsi *vsi, const struct flow_keys *fk,
+ u16 rxq_idx, u32 flow_id)
+{
+ struct ice_arfs_entry *arfs_entry;
+ struct ice_fdir_fltr *fltr_info;
+ u8 ip_proto;
+
+ arfs_entry = devm_kzalloc(ice_pf_to_dev(vsi->back),
+ sizeof(*arfs_entry),
+ GFP_ATOMIC | __GFP_NOWARN);
+ if (!arfs_entry)
+ return NULL;
+
+ fltr_info = &arfs_entry->fltr_info;
+ fltr_info->q_index = rxq_idx;
+ fltr_info->dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
+ fltr_info->dest_vsi = vsi->idx;
+ ip_proto = fk->basic.ip_proto;
+
+ if (fk->basic.n_proto == htons(ETH_P_IP)) {
+ fltr_info->ip.v4.proto = ip_proto;
+ fltr_info->flow_type = (ip_proto == IPPROTO_TCP) ?
+ ICE_FLTR_PTYPE_NONF_IPV4_TCP :
+ ICE_FLTR_PTYPE_NONF_IPV4_UDP;
+ fltr_info->ip.v4.src_ip = fk->addrs.v4addrs.src;
+ fltr_info->ip.v4.dst_ip = fk->addrs.v4addrs.dst;
+ fltr_info->ip.v4.src_port = fk->ports.src;
+ fltr_info->ip.v4.dst_port = fk->ports.dst;
+ } else { /* ETH_P_IPV6 */
+ fltr_info->ip.v6.proto = ip_proto;
+ fltr_info->flow_type = (ip_proto == IPPROTO_TCP) ?
+ ICE_FLTR_PTYPE_NONF_IPV6_TCP :
+ ICE_FLTR_PTYPE_NONF_IPV6_UDP;
+ memcpy(&fltr_info->ip.v6.src_ip, &fk->addrs.v6addrs.src,
+ sizeof(struct in6_addr));
+ memcpy(&fltr_info->ip.v6.dst_ip, &fk->addrs.v6addrs.dst,
+ sizeof(struct in6_addr));
+ fltr_info->ip.v6.src_port = fk->ports.src;
+ fltr_info->ip.v6.dst_port = fk->ports.dst;
+ }
+
+ arfs_entry->flow_id = flow_id;
+ fltr_info->fltr_id =
+ atomic_inc_return(vsi->arfs_last_fltr_id) % RPS_NO_FILTER;
+
+ return arfs_entry;
+}
+
+/**
+ * ice_arfs_is_perfect_flow_set - Check to see if perfect flow is set
+ * @hw: pointer to HW structure
+ * @l3_proto: ETH_P_IP or ETH_P_IPV6 in network order
+ * @l4_proto: IPPROTO_UDP or IPPROTO_TCP
+ *
+ * We only support perfect (4-tuple) filters for aRFS. This function allows aRFS
+ * to check if perfect (4-tuple) flow rules are currently in place by Flow
+ * Director.
+ */
+static bool
+ice_arfs_is_perfect_flow_set(struct ice_hw *hw, __be16 l3_proto, u8 l4_proto)
+{
+ unsigned long *perfect_fltr = hw->fdir_perfect_fltr;
+
+ /* advanced Flow Director disabled, perfect filters always supported */
+ if (!perfect_fltr)
+ return true;
+
+ if (l3_proto == htons(ETH_P_IP) && l4_proto == IPPROTO_UDP)
+ return test_bit(ICE_FLTR_PTYPE_NONF_IPV4_UDP, perfect_fltr);
+ else if (l3_proto == htons(ETH_P_IP) && l4_proto == IPPROTO_TCP)
+ return test_bit(ICE_FLTR_PTYPE_NONF_IPV4_TCP, perfect_fltr);
+ else if (l3_proto == htons(ETH_P_IPV6) && l4_proto == IPPROTO_UDP)
+ return test_bit(ICE_FLTR_PTYPE_NONF_IPV6_UDP, perfect_fltr);
+ else if (l3_proto == htons(ETH_P_IPV6) && l4_proto == IPPROTO_TCP)
+ return test_bit(ICE_FLTR_PTYPE_NONF_IPV6_TCP, perfect_fltr);
+
+ return false;
+}
+
+/**
+ * ice_rx_flow_steer - steer the Rx flow to where application is being run
+ * @netdev: ptr to the netdev being adjusted
+ * @skb: buffer with required header information
+ * @rxq_idx: queue to which the flow needs to move
+ * @flow_id: flow identifier provided by the netdev
+ *
+ * Based on the skb, rxq_idx, and flow_id passed in add/update an entry in the
+ * aRFS hash table. Iterate over one of the hlists in the aRFS hash table and
+ * if the flow_id already exists in the hash table but the rxq_idx has changed
+ * mark the entry as ICE_ARFS_INACTIVE so it can get updated in HW, else
+ * if the entry is marked as ICE_ARFS_TODEL delete it from the aRFS hash table.
+ * If neither of the previous conditions are true then add a new entry in the
+ * aRFS hash table, which gets set to ICE_ARFS_INACTIVE by default so it can be
+ * added to HW.
+ */
+int
+ice_rx_flow_steer(struct net_device *netdev, const struct sk_buff *skb,
+ u16 rxq_idx, u32 flow_id)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_arfs_entry *arfs_entry;
+ struct ice_vsi *vsi = np->vsi;
+ struct flow_keys fk;
+ struct ice_pf *pf;
+ __be16 n_proto;
+ u8 ip_proto;
+ u16 idx;
+ int ret;
+
+ /* failed to allocate memory for aRFS so don't crash */
+ if (unlikely(!vsi->arfs_fltr_list))
+ return -ENODEV;
+
+ pf = vsi->back;
+
+ if (skb->encapsulation)
+ return -EPROTONOSUPPORT;
+
+ if (!skb_flow_dissect_flow_keys(skb, &fk, 0))
+ return -EPROTONOSUPPORT;
+
+ n_proto = fk.basic.n_proto;
+ /* Support only IPV4 and IPV6 */
+ if ((n_proto == htons(ETH_P_IP) && !ip_is_fragment(ip_hdr(skb))) ||
+ n_proto == htons(ETH_P_IPV6))
+ ip_proto = fk.basic.ip_proto;
+ else
+ return -EPROTONOSUPPORT;
+
+ /* Support only TCP and UDP */
+ if (ip_proto != IPPROTO_TCP && ip_proto != IPPROTO_UDP)
+ return -EPROTONOSUPPORT;
+
+ /* only support 4-tuple filters for aRFS */
+ if (!ice_arfs_is_perfect_flow_set(&pf->hw, n_proto, ip_proto))
+ return -EOPNOTSUPP;
+
+ /* choose the aRFS list bucket based on skb hash */
+ idx = skb_get_hash_raw(skb) & ICE_ARFS_LST_MASK;
+ /* search for entry in the bucket */
+ spin_lock_bh(&vsi->arfs_lock);
+ hlist_for_each_entry(arfs_entry, &vsi->arfs_fltr_list[idx],
+ list_entry) {
+ struct ice_fdir_fltr *fltr_info;
+
+ /* keep searching for the already existing arfs_entry flow */
+ if (arfs_entry->flow_id != flow_id)
+ continue;
+
+ fltr_info = &arfs_entry->fltr_info;
+ ret = fltr_info->fltr_id;
+
+ if (fltr_info->q_index == rxq_idx ||
+ arfs_entry->fltr_state != ICE_ARFS_ACTIVE)
+ goto out;
+
+ /* update the queue to forward to on an already existing flow */
+ fltr_info->q_index = rxq_idx;
+ arfs_entry->fltr_state = ICE_ARFS_INACTIVE;
+ ice_arfs_update_active_fltr_cntrs(vsi, arfs_entry, false);
+ goto out_schedule_service_task;
+ }
+
+ arfs_entry = ice_arfs_build_entry(vsi, &fk, rxq_idx, flow_id);
+ if (!arfs_entry) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = arfs_entry->fltr_info.fltr_id;
+ INIT_HLIST_NODE(&arfs_entry->list_entry);
+ hlist_add_head(&arfs_entry->list_entry, &vsi->arfs_fltr_list[idx]);
+out_schedule_service_task:
+ ice_service_task_schedule(pf);
+out:
+ spin_unlock_bh(&vsi->arfs_lock);
+ return ret;
+}
+
+/**
+ * ice_init_arfs_cntrs - initialize aRFS counter values
+ * @vsi: VSI that aRFS counters need to be initialized on
+ */
+static int ice_init_arfs_cntrs(struct ice_vsi *vsi)
+{
+ if (!vsi || vsi->type != ICE_VSI_PF)
+ return -EINVAL;
+
+ vsi->arfs_fltr_cntrs = kzalloc(sizeof(*vsi->arfs_fltr_cntrs),
+ GFP_KERNEL);
+ if (!vsi->arfs_fltr_cntrs)
+ return -ENOMEM;
+
+ vsi->arfs_last_fltr_id = kzalloc(sizeof(*vsi->arfs_last_fltr_id),
+ GFP_KERNEL);
+ if (!vsi->arfs_last_fltr_id) {
+ kfree(vsi->arfs_fltr_cntrs);
+ vsi->arfs_fltr_cntrs = NULL;
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_init_arfs - initialize aRFS resources
+ * @vsi: the VSI to be forwarded to
+ */
+void ice_init_arfs(struct ice_vsi *vsi)
+{
+ struct hlist_head *arfs_fltr_list;
+ unsigned int i;
+
+ if (!vsi || vsi->type != ICE_VSI_PF)
+ return;
+
+ arfs_fltr_list = kzalloc(sizeof(*arfs_fltr_list) * ICE_MAX_ARFS_LIST,
+ GFP_KERNEL);
+ if (!arfs_fltr_list)
+ return;
+
+ if (ice_init_arfs_cntrs(vsi))
+ goto free_arfs_fltr_list;
+
+ for (i = 0; i < ICE_MAX_ARFS_LIST; i++)
+ INIT_HLIST_HEAD(&arfs_fltr_list[i]);
+
+ spin_lock_init(&vsi->arfs_lock);
+
+ vsi->arfs_fltr_list = arfs_fltr_list;
+
+ return;
+
+free_arfs_fltr_list:
+ kfree(arfs_fltr_list);
+}
+
+/**
+ * ice_clear_arfs - clear the aRFS hash table and any memory used for aRFS
+ * @vsi: the VSI to be forwarded to
+ */
+void ice_clear_arfs(struct ice_vsi *vsi)
+{
+ struct device *dev;
+ unsigned int i;
+
+ if (!vsi || vsi->type != ICE_VSI_PF || !vsi->back ||
+ !vsi->arfs_fltr_list)
+ return;
+
+ dev = ice_pf_to_dev(vsi->back);
+ for (i = 0; i < ICE_MAX_ARFS_LIST; i++) {
+ struct ice_arfs_entry *r;
+ struct hlist_node *n;
+
+ spin_lock_bh(&vsi->arfs_lock);
+ hlist_for_each_entry_safe(r, n, &vsi->arfs_fltr_list[i],
+ list_entry) {
+ hlist_del(&r->list_entry);
+ devm_kfree(dev, r);
+ }
+ spin_unlock_bh(&vsi->arfs_lock);
+ }
+
+ kfree(vsi->arfs_fltr_list);
+ vsi->arfs_fltr_list = NULL;
+ kfree(vsi->arfs_last_fltr_id);
+ vsi->arfs_last_fltr_id = NULL;
+ kfree(vsi->arfs_fltr_cntrs);
+ vsi->arfs_fltr_cntrs = NULL;
+}
+
+/**
+ * ice_free_cpu_rx_rmap - free setup CPU reverse map
+ * @vsi: the VSI to be forwarded to
+ */
+void ice_free_cpu_rx_rmap(struct ice_vsi *vsi)
+{
+ struct net_device *netdev;
+
+ if (!vsi || vsi->type != ICE_VSI_PF || !vsi->arfs_fltr_list)
+ return;
+
+ netdev = vsi->netdev;
+ if (!netdev || !netdev->rx_cpu_rmap ||
+ netdev->reg_state != NETREG_REGISTERED)
+ return;
+
+ free_irq_cpu_rmap(netdev->rx_cpu_rmap);
+ netdev->rx_cpu_rmap = NULL;
+}
+
+/**
+ * ice_set_cpu_rx_rmap - setup CPU reverse map for each queue
+ * @vsi: the VSI to be forwarded to
+ */
+int ice_set_cpu_rx_rmap(struct ice_vsi *vsi)
+{
+ struct net_device *netdev;
+ struct ice_pf *pf;
+ int base_idx, i;
+
+ if (!vsi || vsi->type != ICE_VSI_PF)
+ return -EINVAL;
+
+ pf = vsi->back;
+ netdev = vsi->netdev;
+ if (!pf || !netdev || !vsi->num_q_vectors ||
+ vsi->netdev->reg_state != NETREG_REGISTERED)
+ return -EINVAL;
+
+ netdev_dbg(netdev, "Setup CPU RMAP: vsi type 0x%x, ifname %s, q_vectors %d\n",
+ vsi->type, netdev->name, vsi->num_q_vectors);
+
+ netdev->rx_cpu_rmap = alloc_irq_cpu_rmap(vsi->num_q_vectors);
+ if (unlikely(!netdev->rx_cpu_rmap))
+ return -EINVAL;
+
+ base_idx = vsi->base_vector;
+ for (i = 0; i < vsi->num_q_vectors; i++)
+ if (irq_cpu_rmap_add(netdev->rx_cpu_rmap,
+ pf->msix_entries[base_idx + i].vector)) {
+ ice_free_cpu_rx_rmap(vsi);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_remove_arfs - remove/clear all aRFS resources
+ * @pf: device private structure
+ */
+void ice_remove_arfs(struct ice_pf *pf)
+{
+ struct ice_vsi *pf_vsi;
+
+ pf_vsi = ice_get_main_vsi(pf);
+ if (!pf_vsi)
+ return;
+
+ ice_free_cpu_rx_rmap(pf_vsi);
+ ice_clear_arfs(pf_vsi);
+}
+
+/**
+ * ice_rebuild_arfs - remove/clear all aRFS resources and rebuild after reset
+ * @pf: device private structure
+ */
+void ice_rebuild_arfs(struct ice_pf *pf)
+{
+ struct ice_vsi *pf_vsi;
+
+ pf_vsi = ice_get_main_vsi(pf);
+ if (!pf_vsi)
+ return;
+
+ ice_remove_arfs(pf);
+ if (ice_set_cpu_rx_rmap(pf_vsi)) {
+ dev_err(ice_pf_to_dev(pf), "Failed to rebuild aRFS\n");
+ return;
+ }
+ ice_init_arfs(pf_vsi);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_arfs.h b/drivers/net/ethernet/intel/ice/ice_arfs.h
new file mode 100644
index 000000000000..f39cd16403ed
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_arfs.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#ifndef _ICE_ARFS_H_
+#define _ICE_ARFS_H_
+enum ice_arfs_fltr_state {
+ ICE_ARFS_INACTIVE,
+ ICE_ARFS_ACTIVE,
+ ICE_ARFS_TODEL,
+};
+
+struct ice_arfs_entry {
+ struct ice_fdir_fltr fltr_info;
+ struct hlist_node list_entry;
+ u64 time_activated; /* only valid for UDP flows */
+ u32 flow_id;
+ /* fltr_state = 0 - ICE_ARFS_INACTIVE:
+ * filter needs to be updated or programmed in HW.
+ * fltr_state = 1 - ICE_ARFS_ACTIVE:
+ * filter is active and programmed in HW.
+ * fltr_state = 2 - ICE_ARFS_TODEL:
+ * filter has been deleted from HW and needs to be removed from
+ * the aRFS hash table.
+ */
+ u8 fltr_state;
+};
+
+struct ice_arfs_entry_ptr {
+ struct ice_arfs_entry *arfs_entry;
+ struct hlist_node list_entry;
+};
+
+struct ice_arfs_active_fltr_cntrs {
+ atomic_t active_tcpv4_cnt;
+ atomic_t active_tcpv6_cnt;
+ atomic_t active_udpv4_cnt;
+ atomic_t active_udpv6_cnt;
+};
+
+#ifdef CONFIG_RFS_ACCEL
+int
+ice_rx_flow_steer(struct net_device *netdev, const struct sk_buff *skb,
+ u16 rxq_idx, u32 flow_id);
+void ice_clear_arfs(struct ice_vsi *vsi);
+void ice_free_cpu_rx_rmap(struct ice_vsi *vsi);
+void ice_init_arfs(struct ice_vsi *vsi);
+void ice_sync_arfs_fltrs(struct ice_pf *pf);
+int ice_set_cpu_rx_rmap(struct ice_vsi *vsi);
+void ice_remove_arfs(struct ice_pf *pf);
+void ice_rebuild_arfs(struct ice_pf *pf);
+bool
+ice_is_arfs_using_perfect_flow(struct ice_hw *hw,
+ enum ice_fltr_ptype flow_type);
+#else
+#define ice_sync_arfs_fltrs(pf) do {} while (0)
+#define ice_init_arfs(vsi) do {} while (0)
+#define ice_clear_arfs(vsi) do {} while (0)
+#define ice_remove_arfs(pf) do {} while (0)
+#define ice_free_cpu_rx_rmap(vsi) do {} while (0)
+#define ice_rebuild_arfs(pf) do {} while (0)
+
+static inline int ice_set_cpu_rx_rmap(struct ice_vsi __always_unused *vsi)
+{
+ return 0;
+}
+
+static inline int
+ice_rx_flow_steer(struct net_device __always_unused *netdev,
+ const struct sk_buff __always_unused *skb,
+ u16 __always_unused rxq_idx, u32 __always_unused flow_id)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline bool
+ice_is_arfs_using_perfect_flow(struct ice_hw __always_unused *hw,
+ enum ice_fltr_ptype __always_unused flow_type)
+{
+ return false;
+}
+#endif /* CONFIG_RFS_ACCEL */
+#endif /* _ICE_ARFS_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index a19cd6f5436b..d620d26d42ed 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -1,7 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019, Intel Corporation. */
+#include <net/xdp_sock_drv.h>
#include "ice_base.h"
+#include "ice_lib.h"
#include "ice_dcb_lib.h"
/**
@@ -12,7 +14,7 @@
*/
static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg)
{
- int offset, i;
+ unsigned int offset, i;
mutex_lock(qs_cfg->qs_mutex);
offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size,
@@ -24,7 +26,7 @@ static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg)
bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count);
for (i = 0; i < qs_cfg->q_count; i++)
- qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = i + offset;
+ qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = (u16)(i + offset);
mutex_unlock(qs_cfg->qs_mutex);
return 0;
@@ -38,7 +40,7 @@ static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg)
*/
static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg)
{
- int i, index = 0;
+ unsigned int i, index = 0;
mutex_lock(qs_cfg->qs_mutex);
for (i = 0; i < qs_cfg->q_count; i++) {
@@ -47,7 +49,7 @@ static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg)
if (index >= qs_cfg->pf_map_size)
goto err_scatter;
set_bit(index, qs_cfg->pf_map);
- qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = index;
+ qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = (u16)index;
}
mutex_unlock(qs_cfg->qs_mutex);
@@ -96,7 +98,7 @@ static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena)
* We allocate one q_vector and set default value for ITR setting associated
* with this q_vector. If allocation fails we return -ENOMEM.
*/
-static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx)
+static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, u16 v_idx)
{
struct ice_pf *pf = vsi->back;
struct ice_q_vector *q_vector;
@@ -246,6 +248,7 @@ ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
*/
switch (vsi->type) {
case ICE_VSI_LB:
+ case ICE_VSI_CTRL:
case ICE_VSI_PF:
tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
break;
@@ -279,12 +282,13 @@ ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
*/
int ice_setup_rx_ctx(struct ice_ring *ring)
{
+ struct device *dev = ice_pf_to_dev(ring->vsi->back);
int chain_len = ICE_MAX_CHAINED_RX_BUFS;
+ u16 num_bufs = ICE_DESC_UNUSED(ring);
struct ice_vsi *vsi = ring->vsi;
u32 rxdid = ICE_RXDID_FLEX_NIC;
struct ice_rlan_ctx rlan_ctx;
struct ice_hw *hw;
- u32 regval;
u16 pf_q;
int err;
@@ -308,24 +312,23 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
if (ring->xsk_umem) {
xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
- ring->rx_buf_len = ring->xsk_umem->chunk_size_nohr -
- XDP_PACKET_HEADROOM;
+ ring->rx_buf_len =
+ xsk_umem_get_rx_frame_size(ring->xsk_umem);
/* For AF_XDP ZC, we disallow packets to span on
* multiple buffers, thus letting us skip that
* handling in the fast-path.
*/
chain_len = 1;
- ring->zca.free = ice_zca_free;
err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
- MEM_TYPE_ZERO_COPY,
- &ring->zca);
+ MEM_TYPE_XSK_BUFF_POOL,
+ NULL);
if (err)
return err;
+ xsk_buff_set_rxq_info(ring->xsk_umem, &ring->xdp_rxq);
- dev_info(ice_pf_to_dev(vsi->back), "Registered XDP mem model MEM_TYPE_ZERO_COPY on Rx ring %d\n",
+ dev_info(dev, "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n",
ring->q_index);
} else {
- ring->zca.free = NULL;
if (!xdp_rxq_info_is_reg(&ring->xdp_rxq))
/* coverity[check_return] */
xdp_rxq_info_reg(&ring->xdp_rxq,
@@ -376,38 +379,27 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
/* Max packet size for this queue - must not be set to a larger value
* than 5 x DBUF
*/
- rlan_ctx.rxmax = min_t(u16, vsi->max_frame,
+ rlan_ctx.rxmax = min_t(u32, vsi->max_frame,
chain_len * ring->rx_buf_len);
/* Rx queue threshold in units of 64 */
rlan_ctx.lrxqthresh = 1;
- /* Enable Flexible Descriptors in the queue context which
- * allows this driver to select a specific receive descriptor format
- */
- regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
- if (vsi->type != ICE_VSI_VF) {
- regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
- QRXFLXP_CNTXT_RXDID_IDX_M;
-
- /* increasing context priority to pick up profile ID;
- * default is 0x01; setting to 0x03 to ensure profile
- * is programming if prev context is of same priority
- */
- regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
- QRXFLXP_CNTXT_RXDID_PRIO_M;
-
- } else {
- regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M |
- QRXFLXP_CNTXT_RXDID_PRIO_M |
- QRXFLXP_CNTXT_TS_M);
- }
- wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
+ /* Enable Flexible Descriptors in the queue context which
+ * allows this driver to select a specific receive descriptor format
+ * increasing context priority to pick up profile ID; default is 0x01;
+ * setting to 0x03 to ensure profile is programming if prev context is
+ * of same priority
+ */
+ if (vsi->type != ICE_VSI_VF)
+ ice_write_qrxflxp_cntxt(hw, pf_q, rxdid, 0x3);
+ else
+ ice_write_qrxflxp_cntxt(hw, pf_q, ICE_RXDID_LEGACY_1, 0x3);
/* Absolute queue number out of 2K needs to be passed */
err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q);
if (err) {
- dev_err(ice_pf_to_dev(vsi->back), "Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n",
+ dev_err(dev, "Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n",
pf_q, err);
return -EIO;
}
@@ -425,13 +417,23 @@ int ice_setup_rx_ctx(struct ice_ring *ring)
ring->tail = hw->hw_addr + QRX_TAIL(pf_q);
writel(0, ring->tail);
- err = ring->xsk_umem ?
- ice_alloc_rx_bufs_slow_zc(ring, ICE_DESC_UNUSED(ring)) :
- ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring));
- if (err)
- dev_info(ice_pf_to_dev(vsi->back), "Failed allocate some buffers on %sRx ring %d (pf_q %d)\n",
- ring->xsk_umem ? "UMEM enabled " : "",
- ring->q_index, pf_q);
+ if (ring->xsk_umem) {
+ if (!xsk_buff_can_alloc(ring->xsk_umem, num_bufs)) {
+ dev_warn(dev, "UMEM does not provide enough addresses to fill %d buffers on Rx ring %d\n",
+ num_bufs, ring->q_index);
+ dev_warn(dev, "Change Rx ring/fill queue size to avoid performance issues\n");
+
+ return 0;
+ }
+
+ err = ice_alloc_rx_bufs_zc(ring, num_bufs);
+ if (err)
+ dev_info(dev, "Failed to allocate some buffers on UMEM enabled Rx ring %d (pf_q %d)\n",
+ ring->q_index, pf_q);
+ return 0;
+ }
+
+ ice_alloc_rx_bufs(ring, num_bufs);
return 0;
}
@@ -453,7 +455,7 @@ int __ice_vsi_get_qs(struct ice_qs_cfg *qs_cfg)
if (ret) {
/* contig failed, so try with scatter approach */
qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER;
- qs_cfg->q_count = min_t(u16, qs_cfg->q_count,
+ qs_cfg->q_count = min_t(unsigned int, qs_cfg->q_count,
qs_cfg->scatter_count);
ret = __ice_vsi_get_qs_sc(qs_cfg);
}
@@ -526,7 +528,8 @@ int ice_vsi_wait_one_rx_ring(struct ice_vsi *vsi, bool ena, u16 rxq_idx)
int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
{
struct device *dev = ice_pf_to_dev(vsi->back);
- int v_idx, err;
+ u16 v_idx;
+ int err;
if (vsi->q_vectors[0]) {
dev_dbg(dev, "VSI %d has existing q_vectors\n", vsi->vsi_num);
@@ -562,7 +565,7 @@ err_out:
void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
{
int q_vectors = vsi->num_q_vectors;
- int tx_rings_rem, rx_rings_rem;
+ u16 tx_rings_rem, rx_rings_rem;
int v_id;
/* initially assigning remaining rings count to VSIs num queue value */
@@ -571,10 +574,12 @@ void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
for (v_id = 0; v_id < q_vectors; v_id++) {
struct ice_q_vector *q_vector = vsi->q_vectors[v_id];
- int tx_rings_per_v, rx_rings_per_v, q_id, q_base;
+ u8 tx_rings_per_v, rx_rings_per_v;
+ u16 q_id, q_base;
/* Tx rings mapping to vector */
- tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id);
+ tx_rings_per_v = (u8)DIV_ROUND_UP(tx_rings_rem,
+ q_vectors - v_id);
q_vector->num_ring_tx = tx_rings_per_v;
q_vector->tx.ring = NULL;
q_vector->tx.itr_idx = ICE_TX_ITR;
@@ -590,7 +595,8 @@ void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
tx_rings_rem -= tx_rings_per_v;
/* Rx rings mapping to vector */
- rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id);
+ rx_rings_per_v = (u8)DIV_ROUND_UP(rx_rings_rem,
+ q_vectors - v_id);
q_vector->num_ring_rx = rx_rings_per_v;
q_vector->rx.ring = NULL;
q_vector->rx.itr_idx = ICE_RX_ITR;
@@ -633,6 +639,7 @@ ice_vsi_cfg_txq(struct ice_vsi *vsi, struct ice_ring *ring,
struct ice_aqc_add_txqs_perq *txq;
struct ice_pf *pf = vsi->back;
u8 buf_len = sizeof(*qg_buf);
+ struct ice_hw *hw = &pf->hw;
enum ice_status status;
u16 pf_q;
u8 tc;
@@ -641,13 +648,13 @@ ice_vsi_cfg_txq(struct ice_vsi *vsi, struct ice_ring *ring,
ice_setup_tx_ctx(ring, &tlan_ctx, pf_q);
/* copy context contents into the qg_buf */
qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q);
- ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
+ ice_set_ctx(hw, (u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
ice_tlan_ctx_info);
/* init queue specific tail reg. It is referred as
* transmit comm scheduler queue doorbell.
*/
- ring->tail = pf->hw.hw_addr + QTX_COMM_DBELL(pf_q);
+ ring->tail = hw->hw_addr + QTX_COMM_DBELL(pf_q);
if (IS_ENABLED(CONFIG_DCB))
tc = ring->dcb_tc;
@@ -662,8 +669,8 @@ ice_vsi_cfg_txq(struct ice_vsi *vsi, struct ice_ring *ring,
status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, ring->q_handle,
1, qg_buf, buf_len, NULL);
if (status) {
- dev_err(ice_pf_to_dev(pf), "Failed to set LAN Tx queue context, error: %d\n",
- status);
+ dev_err(ice_pf_to_dev(pf), "Failed to set LAN Tx queue context, error: %s\n",
+ ice_stat_str(status));
return -ENODEV;
}
@@ -832,8 +839,8 @@ ice_vsi_stop_tx_ring(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
} else if (status == ICE_ERR_DOES_NOT_EXIST) {
dev_dbg(ice_pf_to_dev(vsi->back), "LAN Tx queues do not exist, nothing to disable\n");
} else if (status) {
- dev_err(ice_pf_to_dev(vsi->back), "Failed to disable LAN Tx queues, error: %d\n",
- status);
+ dev_err(ice_pf_to_dev(vsi->back), "Failed to disable LAN Tx queues, error: %s\n",
+ ice_stat_str(status));
return -ENODEV;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 2c0d8fd3d5cd..bce0e1281168 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -316,12 +316,78 @@ ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
}
/**
+ * ice_fill_tx_timer_and_fc_thresh
+ * @hw: pointer to the HW struct
+ * @cmd: pointer to MAC cfg structure
+ *
+ * Add Tx timer and FC refresh threshold info to Set MAC Config AQ command
+ * descriptor
+ */
+static void
+ice_fill_tx_timer_and_fc_thresh(struct ice_hw *hw,
+ struct ice_aqc_set_mac_cfg *cmd)
+{
+ u16 fc_thres_val, tx_timer_val;
+ u32 val;
+
+ /* We read back the transmit timer and FC threshold value of
+ * LFC. Thus, we will use index =
+ * PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX.
+ *
+ * Also, because we are operating on transmit timer and FC
+ * threshold of LFC, we don't turn on any bit in tx_tmr_priority
+ */
+#define IDX_OF_LFC PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX
+
+ /* Retrieve the transmit timer */
+ val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(IDX_OF_LFC));
+ tx_timer_val = val &
+ PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M;
+ cmd->tx_tmr_value = cpu_to_le16(tx_timer_val);
+
+ /* Retrieve the FC threshold */
+ val = rd32(hw, PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(IDX_OF_LFC));
+ fc_thres_val = val & PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M;
+
+ cmd->fc_refresh_threshold = cpu_to_le16(fc_thres_val);
+}
+
+/**
+ * ice_aq_set_mac_cfg
+ * @hw: pointer to the HW struct
+ * @max_frame_size: Maximum Frame Size to be supported
+ * @cd: pointer to command details structure or NULL
+ *
+ * Set MAC configuration (0x0603)
+ */
+enum ice_status
+ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd)
+{
+ struct ice_aqc_set_mac_cfg *cmd;
+ struct ice_aq_desc desc;
+
+ cmd = &desc.params.set_mac_cfg;
+
+ if (max_frame_size == 0)
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_mac_cfg);
+
+ cmd->max_frame_size = cpu_to_le16(max_frame_size);
+
+ ice_fill_tx_timer_and_fc_thresh(hw, cmd);
+
+ return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+}
+
+/**
* ice_init_fltr_mgmt_struct - initializes filter management list and locks
* @hw: pointer to the HW struct
*/
static enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
{
struct ice_switch_info *sw;
+ enum ice_status status;
hw->switch_info = devm_kzalloc(ice_hw_to_dev(hw),
sizeof(*hw->switch_info), GFP_KERNEL);
@@ -332,7 +398,12 @@ static enum ice_status ice_init_fltr_mgmt_struct(struct ice_hw *hw)
INIT_LIST_HEAD(&sw->vsi_list_map_head);
- return ice_init_def_sw_recp(hw);
+ status = ice_init_def_sw_recp(hw);
+ if (status) {
+ devm_kfree(ice_hw_to_dev(hw), hw->switch_info);
+ return status;
+ }
+ return 0;
}
/**
@@ -653,6 +724,10 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
if (status)
goto err_unroll_cqinit;
+ /* Set bit to enable Flow Director filters */
+ wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
+ INIT_LIST_HEAD(&hw->fdir_list_head);
+
ice_clear_pxe_mode(hw);
status = ice_init_nvm(hw);
@@ -743,9 +818,18 @@ enum ice_status ice_init_hw(struct ice_hw *hw)
if (status)
goto err_unroll_fltr_mgmt_struct;
+ /* enable jumbo frame support at MAC level */
+ status = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
+ if (status)
+ goto err_unroll_fltr_mgmt_struct;
+ /* Obtain counter base index which would be used by flow director */
+ status = ice_alloc_fd_res_cntr(hw, &hw->fd_ctr_base);
+ if (status)
+ goto err_unroll_fltr_mgmt_struct;
status = ice_init_hw_tbls(hw);
if (status)
goto err_unroll_fltr_mgmt_struct;
+ mutex_init(&hw->tnl_lock);
return 0;
err_unroll_fltr_mgmt_struct:
@@ -769,12 +853,14 @@ err_unroll_cqinit:
*/
void ice_deinit_hw(struct ice_hw *hw)
{
+ ice_free_fd_res_cntr(hw, hw->fd_ctr_base);
ice_cleanup_fltr_mgmt_struct(hw);
ice_sched_cleanup_all(hw);
ice_sched_clear_agg(hw);
ice_free_seg(hw);
ice_free_hw_tbls(hw);
+ mutex_destroy(&hw->tnl_lock);
if (hw->port_info) {
devm_kfree(ice_hw_to_dev(hw), hw->port_info);
@@ -878,7 +964,12 @@ static enum ice_status ice_pf_reset(struct ice_hw *hw)
wr32(hw, PFGEN_CTRL, (reg | PFGEN_CTRL_PFSWR_M));
- for (cnt = 0; cnt < ICE_PF_RESET_WAIT_COUNT; cnt++) {
+ /* Wait for the PFR to complete. The wait time is the global config lock
+ * timeout plus the PFR timeout which will account for a possible reset
+ * that is occurring during a download package operation.
+ */
+ for (cnt = 0; cnt < ICE_GLOBAL_CFG_LOCK_TIMEOUT +
+ ICE_PF_RESET_WAIT_COUNT; cnt++) {
reg = rd32(hw, PFGEN_CTRL);
if (!(reg & PFGEN_CTRL_PFSWR_M))
break;
@@ -1012,7 +1103,7 @@ ice_write_rxq_ctx(struct ice_hw *hw, struct ice_rlan_ctx *rlan_ctx,
rlan_ctx->prefena = 1;
- ice_set_ctx((u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
+ ice_set_ctx(hw, (u8 *)rlan_ctx, ctx_buf, ice_rlan_ctx_info);
return ice_copy_rxq_ctx_to_hw(hw, ctx_buf, rxq_index);
}
@@ -1678,6 +1769,33 @@ ice_parse_caps(struct ice_hw *hw, void *buf, u32 cap_count,
"%s: msix_vector_first_id = %d\n", prefix,
caps->msix_vector_first_id);
break;
+ case ICE_AQC_CAPS_FD:
+ if (dev_p) {
+ dev_p->num_flow_director_fltr = number;
+ ice_debug(hw, ICE_DBG_INIT,
+ "%s: num_flow_director_fltr = %d\n",
+ prefix,
+ dev_p->num_flow_director_fltr);
+ }
+ if (func_p) {
+ u32 reg_val, val;
+
+ reg_val = rd32(hw, GLQF_FD_SIZE);
+ val = (reg_val & GLQF_FD_SIZE_FD_GSIZE_M) >>
+ GLQF_FD_SIZE_FD_GSIZE_S;
+ func_p->fd_fltr_guar =
+ ice_get_num_per_func(hw, val);
+ val = (reg_val & GLQF_FD_SIZE_FD_BSIZE_M) >>
+ GLQF_FD_SIZE_FD_BSIZE_S;
+ func_p->fd_fltr_best_effort = val;
+ ice_debug(hw, ICE_DBG_INIT,
+ "%s: fd_fltr_guar = %d\n",
+ prefix, func_p->fd_fltr_guar);
+ ice_debug(hw, ICE_DBG_INIT,
+ "%s: fd_fltr_best_effort = %d\n",
+ prefix, func_p->fd_fltr_best_effort);
+ }
+ break;
case ICE_AQC_CAPS_MAX_MTU:
caps->max_mtu = number;
ice_debug(hw, ICE_DBG_INIT, "%s: max_mtu = %d\n",
@@ -1887,10 +2005,7 @@ ice_aq_manage_mac_write(struct ice_hw *hw, const u8 *mac_addr, u8 flags,
ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_manage_mac_write);
cmd->flags = flags;
-
- /* Prep values for flags, sah, sal */
- cmd->sah = htons(*((const u16 *)mac_addr));
- cmd->sal = htonl(*((const u32 *)(mac_addr + 2)));
+ ether_addr_copy(cmd->mac_addr, mac_addr);
return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
}
@@ -2117,6 +2232,7 @@ ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport,
struct ice_aqc_set_phy_cfg_data *cfg, struct ice_sq_cd *cd)
{
struct ice_aq_desc desc;
+ enum ice_status status;
if (!cfg)
return ICE_ERR_PARAM;
@@ -2145,7 +2261,11 @@ ice_aq_set_phy_cfg(struct ice_hw *hw, u8 lport,
ice_debug(hw, ICE_DBG_LINK, "eeer_value = 0x%x\n", cfg->eeer_value);
ice_debug(hw, ICE_DBG_LINK, "link_fec_opt = 0x%x\n", cfg->link_fec_opt);
- return ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
+ status = ice_aq_send_cmd(hw, &desc, cfg, sizeof(*cfg), cd);
+ if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
+ status = 0;
+
+ return status;
}
/**
@@ -3089,12 +3209,14 @@ ice_write_qword(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
/**
* ice_set_ctx - set context bits in packed structure
+ * @hw: pointer to the hardware structure
* @src_ctx: pointer to a generic non-packed context structure
* @dest_ctx: pointer to memory for the packed structure
* @ce_info: a description of the structure to be transformed
*/
enum ice_status
-ice_set_ctx(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
+ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
+ const struct ice_ctx_ele *ce_info)
{
int f;
@@ -3103,6 +3225,12 @@ ice_set_ctx(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info)
* using the correct size so that we are correct regardless
* of the endianness of the machine.
*/
+ if (ce_info[f].width > (ce_info[f].size_of * BITS_PER_BYTE)) {
+ ice_debug(hw, ICE_DBG_QCTX,
+ "Field %d width of %d bits larger than size of %d byte(s) ... skipping write\n",
+ f, ce_info[f].width, ce_info[f].size_of);
+ continue;
+ }
switch (ce_info[f].size_of) {
case sizeof(u8):
ice_write_byte(src_ctx, dest_ctx, &ce_info[f]);
diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h
index 8104f3d64d96..9b9e50d2398b 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.h
+++ b/drivers/net/ethernet/intel/ice/ice_common.h
@@ -70,7 +70,8 @@ enum ice_status ice_aq_q_shutdown(struct ice_hw *hw, bool unloading);
void ice_fill_dflt_direct_cmd_desc(struct ice_aq_desc *desc, u16 opcode);
extern const struct ice_ctx_ele ice_tlan_ctx_info[];
enum ice_status
-ice_set_ctx(u8 *src_ctx, u8 *dest_ctx, const struct ice_ctx_ele *ce_info);
+ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
+ const struct ice_ctx_ele *ce_info);
extern struct mutex ice_global_cfg_lock_sw;
@@ -108,6 +109,8 @@ enum ice_status
ice_aq_set_link_restart_an(struct ice_port_info *pi, bool ena_link,
struct ice_sq_cd *cd);
enum ice_status
+ice_aq_set_mac_cfg(struct ice_hw *hw, u16 max_frame_size, struct ice_sq_cd *cd);
+enum ice_status
ice_aq_get_link_info(struct ice_port_info *pi, bool ena_lse,
struct ice_link_status *link, struct ice_sq_cd *cd);
enum ice_status
diff --git a/drivers/net/ethernet/intel/ice/ice_controlq.c b/drivers/net/ethernet/intel/ice/ice_controlq.c
index dd946866d7b8..1e18021aa073 100644
--- a/drivers/net/ethernet/intel/ice/ice_controlq.c
+++ b/drivers/net/ethernet/intel/ice/ice_controlq.c
@@ -12,6 +12,7 @@ do { \
(qinfo)->sq.bal = prefix##_ATQBAL; \
(qinfo)->sq.len_mask = prefix##_ATQLEN_ATQLEN_M; \
(qinfo)->sq.len_ena_mask = prefix##_ATQLEN_ATQENABLE_M; \
+ (qinfo)->sq.len_crit_mask = prefix##_ATQLEN_ATQCRIT_M; \
(qinfo)->sq.head_mask = prefix##_ATQH_ATQH_M; \
(qinfo)->rq.head = prefix##_ARQH; \
(qinfo)->rq.tail = prefix##_ARQT; \
@@ -20,6 +21,7 @@ do { \
(qinfo)->rq.bal = prefix##_ARQBAL; \
(qinfo)->rq.len_mask = prefix##_ARQLEN_ARQLEN_M; \
(qinfo)->rq.len_ena_mask = prefix##_ARQLEN_ARQENABLE_M; \
+ (qinfo)->rq.len_crit_mask = prefix##_ARQLEN_ARQCRIT_M; \
(qinfo)->rq.head_mask = prefix##_ARQH_ARQH_M; \
} while (0)
@@ -199,7 +201,9 @@ unwind_alloc_rq_bufs:
cq->rq.r.rq_bi[i].pa = 0;
cq->rq.r.rq_bi[i].size = 0;
}
+ cq->rq.r.rq_bi = NULL;
devm_kfree(ice_hw_to_dev(hw), cq->rq.dma_head);
+ cq->rq.dma_head = NULL;
return ICE_ERR_NO_MEMORY;
}
@@ -245,7 +249,9 @@ unwind_alloc_sq_bufs:
cq->sq.r.sq_bi[i].pa = 0;
cq->sq.r.sq_bi[i].size = 0;
}
+ cq->sq.r.sq_bi = NULL;
devm_kfree(ice_hw_to_dev(hw), cq->sq.dma_head);
+ cq->sq.dma_head = NULL;
return ICE_ERR_NO_MEMORY;
}
@@ -304,6 +310,28 @@ ice_cfg_rq_regs(struct ice_hw *hw, struct ice_ctl_q_info *cq)
return 0;
}
+#define ICE_FREE_CQ_BUFS(hw, qi, ring) \
+do { \
+ int i; \
+ /* free descriptors */ \
+ if ((qi)->ring.r.ring##_bi) \
+ for (i = 0; i < (qi)->num_##ring##_entries; i++) \
+ if ((qi)->ring.r.ring##_bi[i].pa) { \
+ dmam_free_coherent(ice_hw_to_dev(hw), \
+ (qi)->ring.r.ring##_bi[i].size, \
+ (qi)->ring.r.ring##_bi[i].va, \
+ (qi)->ring.r.ring##_bi[i].pa); \
+ (qi)->ring.r.ring##_bi[i].va = NULL;\
+ (qi)->ring.r.ring##_bi[i].pa = 0;\
+ (qi)->ring.r.ring##_bi[i].size = 0;\
+ } \
+ /* free the buffer info list */ \
+ if ((qi)->ring.cmd_buf) \
+ devm_kfree(ice_hw_to_dev(hw), (qi)->ring.cmd_buf); \
+ /* free DMA head */ \
+ devm_kfree(ice_hw_to_dev(hw), (qi)->ring.dma_head); \
+} while (0)
+
/**
* ice_init_sq - main initialization routine for Control ATQ
* @hw: pointer to the hardware structure
@@ -357,6 +385,7 @@ static enum ice_status ice_init_sq(struct ice_hw *hw, struct ice_ctl_q_info *cq)
goto init_ctrlq_exit;
init_ctrlq_free_rings:
+ ICE_FREE_CQ_BUFS(hw, cq, sq);
ice_free_cq_ring(hw, &cq->sq);
init_ctrlq_exit:
@@ -416,33 +445,13 @@ static enum ice_status ice_init_rq(struct ice_hw *hw, struct ice_ctl_q_info *cq)
goto init_ctrlq_exit;
init_ctrlq_free_rings:
+ ICE_FREE_CQ_BUFS(hw, cq, rq);
ice_free_cq_ring(hw, &cq->rq);
init_ctrlq_exit:
return ret_code;
}
-#define ICE_FREE_CQ_BUFS(hw, qi, ring) \
-do { \
- int i; \
- /* free descriptors */ \
- for (i = 0; i < (qi)->num_##ring##_entries; i++) \
- if ((qi)->ring.r.ring##_bi[i].pa) { \
- dmam_free_coherent(ice_hw_to_dev(hw), \
- (qi)->ring.r.ring##_bi[i].size,\
- (qi)->ring.r.ring##_bi[i].va,\
- (qi)->ring.r.ring##_bi[i].pa);\
- (qi)->ring.r.ring##_bi[i].va = NULL; \
- (qi)->ring.r.ring##_bi[i].pa = 0; \
- (qi)->ring.r.ring##_bi[i].size = 0; \
- } \
- /* free the buffer info list */ \
- if ((qi)->ring.cmd_buf) \
- devm_kfree(ice_hw_to_dev(hw), (qi)->ring.cmd_buf); \
- /* free DMA head */ \
- devm_kfree(ice_hw_to_dev(hw), (qi)->ring.dma_head); \
-} while (0)
-
/**
* ice_shutdown_sq - shutdown the Control ATQ
* @hw: pointer to the hardware structure
@@ -635,6 +644,50 @@ init_ctrlq_free_sq:
}
/**
+ * ice_shutdown_ctrlq - shutdown routine for any control queue
+ * @hw: pointer to the hardware structure
+ * @q_type: specific Control queue type
+ *
+ * NOTE: this function does not destroy the control queue locks.
+ */
+static void ice_shutdown_ctrlq(struct ice_hw *hw, enum ice_ctl_q q_type)
+{
+ struct ice_ctl_q_info *cq;
+
+ switch (q_type) {
+ case ICE_CTL_Q_ADMIN:
+ cq = &hw->adminq;
+ if (ice_check_sq_alive(hw, cq))
+ ice_aq_q_shutdown(hw, true);
+ break;
+ case ICE_CTL_Q_MAILBOX:
+ cq = &hw->mailboxq;
+ break;
+ default:
+ return;
+ }
+
+ ice_shutdown_sq(hw, cq);
+ ice_shutdown_rq(hw, cq);
+}
+
+/**
+ * ice_shutdown_all_ctrlq - shutdown routine for all control queues
+ * @hw: pointer to the hardware structure
+ *
+ * NOTE: this function does not destroy the control queue locks. The driver
+ * may call this at runtime to shutdown and later restart control queues, such
+ * as in response to a reset event.
+ */
+void ice_shutdown_all_ctrlq(struct ice_hw *hw)
+{
+ /* Shutdown FW admin queue */
+ ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
+ /* Shutdown PF-VF Mailbox */
+ ice_shutdown_ctrlq(hw, ICE_CTL_Q_MAILBOX);
+}
+
+/**
* ice_init_all_ctrlq - main initialization routine for all control queues
* @hw: pointer to the hardware structure
*
@@ -649,17 +702,27 @@ init_ctrlq_free_sq:
*/
enum ice_status ice_init_all_ctrlq(struct ice_hw *hw)
{
- enum ice_status ret_code;
+ enum ice_status status;
+ u32 retry = 0;
/* Init FW admin queue */
- ret_code = ice_init_ctrlq(hw, ICE_CTL_Q_ADMIN);
- if (ret_code)
- return ret_code;
+ do {
+ status = ice_init_ctrlq(hw, ICE_CTL_Q_ADMIN);
+ if (status)
+ return status;
- ret_code = ice_init_check_adminq(hw);
- if (ret_code)
- return ret_code;
+ status = ice_init_check_adminq(hw);
+ if (status != ICE_ERR_AQ_FW_CRITICAL)
+ break;
+
+ ice_debug(hw, ICE_DBG_AQ_MSG,
+ "Retry Admin Queue init due to FW critical error\n");
+ ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
+ msleep(ICE_CTL_Q_ADMIN_INIT_MSEC);
+ } while (retry++ < ICE_CTL_Q_ADMIN_INIT_TIMEOUT);
+ if (status)
+ return status;
/* Init Mailbox queue */
return ice_init_ctrlq(hw, ICE_CTL_Q_MAILBOX);
}
@@ -701,57 +764,12 @@ enum ice_status ice_create_all_ctrlq(struct ice_hw *hw)
}
/**
- * ice_shutdown_ctrlq - shutdown routine for any control queue
- * @hw: pointer to the hardware structure
- * @q_type: specific Control queue type
- *
- * NOTE: this function does not destroy the control queue locks.
- */
-static void ice_shutdown_ctrlq(struct ice_hw *hw, enum ice_ctl_q q_type)
-{
- struct ice_ctl_q_info *cq;
-
- switch (q_type) {
- case ICE_CTL_Q_ADMIN:
- cq = &hw->adminq;
- if (ice_check_sq_alive(hw, cq))
- ice_aq_q_shutdown(hw, true);
- break;
- case ICE_CTL_Q_MAILBOX:
- cq = &hw->mailboxq;
- break;
- default:
- return;
- }
-
- ice_shutdown_sq(hw, cq);
- ice_shutdown_rq(hw, cq);
-}
-
-/**
- * ice_shutdown_all_ctrlq - shutdown routine for all control queues
- * @hw: pointer to the hardware structure
- *
- * NOTE: this function does not destroy the control queue locks. The driver
- * may call this at runtime to shutdown and later restart control queues, such
- * as in response to a reset event.
- */
-void ice_shutdown_all_ctrlq(struct ice_hw *hw)
-{
- /* Shutdown FW admin queue */
- ice_shutdown_ctrlq(hw, ICE_CTL_Q_ADMIN);
- /* Shutdown PF-VF Mailbox */
- ice_shutdown_ctrlq(hw, ICE_CTL_Q_MAILBOX);
-}
-
-/**
* ice_destroy_ctrlq_locks - Destroy locks for a control queue
* @cq: pointer to the control queue
*
* Destroys the send and receive queue locks for a given control queue.
*/
-static void
-ice_destroy_ctrlq_locks(struct ice_ctl_q_info *cq)
+static void ice_destroy_ctrlq_locks(struct ice_ctl_q_info *cq)
{
mutex_destroy(&cq->sq_lock);
mutex_destroy(&cq->rq_lock);
@@ -1042,9 +1060,15 @@ ice_sq_send_cmd(struct ice_hw *hw, struct ice_ctl_q_info *cq,
/* update the error if time out occurred */
if (!cmd_completed) {
- ice_debug(hw, ICE_DBG_AQ_MSG,
- "Control Send Queue Writeback timeout.\n");
- status = ICE_ERR_AQ_TIMEOUT;
+ if (rd32(hw, cq->rq.len) & cq->rq.len_crit_mask ||
+ rd32(hw, cq->sq.len) & cq->sq.len_crit_mask) {
+ ice_debug(hw, ICE_DBG_AQ_MSG, "Critical FW error.\n");
+ status = ICE_ERR_AQ_FW_CRITICAL;
+ } else {
+ ice_debug(hw, ICE_DBG_AQ_MSG,
+ "Control Send Queue Writeback timeout.\n");
+ status = ICE_ERR_AQ_TIMEOUT;
+ }
}
sq_send_command_error:
@@ -1128,7 +1152,7 @@ ice_clean_rq_elem(struct ice_hw *hw, struct ice_ctl_q_info *cq,
}
memcpy(&e->desc, desc, sizeof(e->desc));
datalen = le16_to_cpu(desc->datalen);
- e->msg_len = min(datalen, e->buf_len);
+ e->msg_len = min_t(u16, datalen, e->buf_len);
if (e->msg_buf && e->msg_len)
memcpy(e->msg_buf, cq->rq.r.rq_bi[desc_idx].va, e->msg_len);
diff --git a/drivers/net/ethernet/intel/ice/ice_controlq.h b/drivers/net/ethernet/intel/ice/ice_controlq.h
index bf0ebe6149e8..faaa08e8171b 100644
--- a/drivers/net/ethernet/intel/ice/ice_controlq.h
+++ b/drivers/net/ethernet/intel/ice/ice_controlq.h
@@ -34,6 +34,8 @@ enum ice_ctl_q {
/* Control Queue timeout settings - max delay 250ms */
#define ICE_CTL_Q_SQ_CMD_TIMEOUT 2500 /* Count 2500 times */
#define ICE_CTL_Q_SQ_CMD_USEC 100 /* Check every 100usec */
+#define ICE_CTL_Q_ADMIN_INIT_TIMEOUT 10 /* Count 10 times */
+#define ICE_CTL_Q_ADMIN_INIT_MSEC 100 /* Check every 100msec */
struct ice_ctl_q_ring {
void *dma_head; /* Virtual address to DMA head */
@@ -59,6 +61,7 @@ struct ice_ctl_q_ring {
u32 bal;
u32 len_mask;
u32 len_ena_mask;
+ u32 len_crit_mask;
u32 head_mask;
};
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index 7bea09363b42..979af197f8a3 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -63,6 +63,64 @@ u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg)
}
/**
+ * ice_is_pfc_causing_hung_q
+ * @pf: pointer to PF structure
+ * @txqueue: Tx queue which is supposedly hung queue
+ *
+ * find if PFC is causing the hung queue, if yes return true else false
+ */
+bool ice_is_pfc_causing_hung_q(struct ice_pf *pf, unsigned int txqueue)
+{
+ u8 num_tcs = 0, i, tc, up_mapped_tc, up_in_tc = 0;
+ u64 ref_prio_xoff[ICE_MAX_UP];
+ struct ice_vsi *vsi;
+ u32 up2tc;
+
+ vsi = ice_get_main_vsi(pf);
+ if (!vsi)
+ return false;
+
+ ice_for_each_traffic_class(i)
+ if (vsi->tc_cfg.ena_tc & BIT(i))
+ num_tcs++;
+
+ /* first find out the TC to which the hung queue belongs to */
+ for (tc = 0; tc < num_tcs - 1; tc++)
+ if (ice_find_q_in_range(vsi->tc_cfg.tc_info[tc].qoffset,
+ vsi->tc_cfg.tc_info[tc + 1].qoffset,
+ txqueue))
+ break;
+
+ /* Build a bit map of all UPs associated to the suspect hung queue TC,
+ * so that we check for its counter increment.
+ */
+ up2tc = rd32(&pf->hw, PRTDCB_TUP2TC);
+ for (i = 0; i < ICE_MAX_UP; i++) {
+ up_mapped_tc = (up2tc >> (i * 3)) & 0x7;
+ if (up_mapped_tc == tc)
+ up_in_tc |= BIT(i);
+ }
+
+ /* Now that we figured out that hung queue is PFC enabled, still the
+ * Tx timeout can be legitimate. So to make sure Tx timeout is
+ * absolutely caused by PFC storm, check if the counters are
+ * incrementing.
+ */
+ for (i = 0; i < ICE_MAX_UP; i++)
+ if (up_in_tc & BIT(i))
+ ref_prio_xoff[i] = pf->stats.priority_xoff_rx[i];
+
+ ice_update_dcb_stats(pf);
+
+ for (i = 0; i < ICE_MAX_UP; i++)
+ if (up_in_tc & BIT(i))
+ if (pf->stats.priority_xoff_rx[i] > ref_prio_xoff[i])
+ return true;
+
+ return false;
+}
+
+/**
* ice_dcb_get_mode - gets the DCB mode
* @port_info: pointer to port info structure
* @host: if set it's HOST if not it's MANAGED
@@ -526,16 +584,21 @@ static int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool ets_willing, bool locked)
*/
static bool ice_dcb_tc_contig(u8 *prio_table)
{
- u8 max_tc = 0;
+ bool found_empty = false;
+ u8 used_tc = 0;
int i;
- for (i = 0; i < CEE_DCBX_MAX_PRIO; i++) {
- u8 cur_tc = prio_table[i];
+ /* Create a bitmap of used TCs */
+ for (i = 0; i < CEE_DCBX_MAX_PRIO; i++)
+ used_tc |= BIT(prio_table[i]);
- if (cur_tc > max_tc)
- return false;
- else if (cur_tc == max_tc)
- max_tc++;
+ for (i = 0; i < CEE_DCBX_MAX_PRIO; i++) {
+ if (used_tc & BIT(i)) {
+ if (found_empty)
+ return false;
+ } else {
+ found_empty = true;
+ }
}
return true;
@@ -728,39 +791,31 @@ void ice_update_dcb_stats(struct ice_pf *pf)
* ice_tx_prepare_vlan_flags_dcb - prepare VLAN tagging for DCB
* @tx_ring: ring to send buffer on
* @first: pointer to struct ice_tx_buf
+ *
+ * This should not be called if the outer VLAN is software offloaded as the VLAN
+ * tag will already be configured with the correct ID and priority bits
*/
-int
+void
ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring,
struct ice_tx_buf *first)
{
struct sk_buff *skb = first->skb;
if (!test_bit(ICE_FLAG_DCB_ENA, tx_ring->vsi->back->flags))
- return 0;
+ return;
/* Insert 802.1p priority into VLAN header */
- if ((first->tx_flags & (ICE_TX_FLAGS_HW_VLAN | ICE_TX_FLAGS_SW_VLAN)) ||
+ if ((first->tx_flags & ICE_TX_FLAGS_HW_VLAN) ||
skb->priority != TC_PRIO_CONTROL) {
first->tx_flags &= ~ICE_TX_FLAGS_VLAN_PR_M;
/* Mask the lower 3 bits to set the 802.1p priority */
first->tx_flags |= (skb->priority & 0x7) <<
ICE_TX_FLAGS_VLAN_PR_S;
- if (first->tx_flags & ICE_TX_FLAGS_SW_VLAN) {
- struct vlan_ethhdr *vhdr;
- int rc;
-
- rc = skb_cow_head(skb, 0);
- if (rc < 0)
- return rc;
- vhdr = (struct vlan_ethhdr *)skb->data;
- vhdr->h_vlan_TCI = htons(first->tx_flags >>
- ICE_TX_FLAGS_VLAN_S);
- } else {
- first->tx_flags |= ICE_TX_FLAGS_HW_VLAN;
- }
+ /* if this is not already set it means a VLAN 0 + priority needs
+ * to be offloaded
+ */
+ first->tx_flags |= ICE_TX_FLAGS_HW_VLAN;
}
-
- return 0;
}
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.h b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
index 37680e815b02..323238669572 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h
@@ -17,6 +17,8 @@
void ice_dcb_rebuild(struct ice_pf *pf);
u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg);
u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg);
+void ice_vsi_set_dcb_tc_cfg(struct ice_vsi *vsi);
+bool ice_is_pfc_causing_hung_q(struct ice_pf *pf, unsigned int txqueue);
u8 ice_dcb_get_tc(struct ice_vsi *vsi, int queue_index);
int
ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked);
@@ -25,13 +27,27 @@ void ice_pf_dcb_recfg(struct ice_pf *pf);
void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi);
int ice_init_pf_dcb(struct ice_pf *pf, bool locked);
void ice_update_dcb_stats(struct ice_pf *pf);
-int
+void
ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring,
struct ice_tx_buf *first);
void
ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf,
struct ice_rq_event_info *event);
void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc);
+
+/**
+ * ice_find_q_in_range
+ * @low: start of queue range for a TC i.e. offset of TC
+ * @high: start of queue for next TC
+ * @tx_q: hung_queue/tx_queue
+ *
+ * finds if queue 'tx_q' falls between the two offsets of any given TC
+ */
+static inline bool ice_find_q_in_range(u16 low, u16 high, unsigned int tx_q)
+{
+ return (tx_q >= low) && (tx_q < high);
+}
+
static inline void
ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring)
{
@@ -79,6 +95,13 @@ ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring,
return 0;
}
+static inline bool
+ice_is_pfc_causing_hung_q(struct ice_pf __always_unused *pf,
+ unsigned int __always_unused txqueue)
+{
+ return false;
+}
+
#define ice_update_dcb_stats(pf) do {} while (0)
#define ice_pf_dcb_recfg(pf) do {} while (0)
#define ice_vsi_cfg_dcb_rings(vsi) do {} while (0)
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
index c4c12414083a..87f91b750d59 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
@@ -7,8 +7,6 @@
#include "ice_dcb_nl.h"
#include <net/dcbnl.h>
-#define ICE_APP_PROT_ID_ROCE 0x8915
-
/**
* ice_dcbnl_devreset - perform enough of a ifdown/ifup to sync DCBNL info
* @netdev: device associated with interface that needs reset
@@ -671,7 +669,7 @@ static bool
ice_dcbnl_find_app(struct ice_dcbx_cfg *cfg,
struct ice_dcb_app_priority_table *app)
{
- int i;
+ unsigned int i;
for (i = 0; i < cfg->numapps; i++) {
if (app->selector == cfg->app[i].selector &&
@@ -746,7 +744,8 @@ static int ice_dcbnl_delapp(struct net_device *netdev, struct dcb_app *app)
{
struct ice_pf *pf = ice_netdev_to_pf(netdev);
struct ice_dcbx_cfg *old_cfg, *new_cfg;
- int i, j, ret = 0;
+ unsigned int i, j;
+ int ret = 0;
if (pf->dcbx_cap & DCB_CAP_DCBX_LLD_MANAGED)
return -EINVAL;
@@ -869,7 +868,7 @@ void ice_dcbnl_set_all(struct ice_vsi *vsi)
struct ice_port_info *pi;
struct dcb_app sapp;
struct ice_pf *pf;
- int i;
+ unsigned int i;
if (!netdev)
return;
@@ -941,7 +940,7 @@ ice_dcbnl_flush_apps(struct ice_pf *pf, struct ice_dcbx_cfg *old_cfg,
struct ice_dcbx_cfg *new_cfg)
{
struct ice_vsi *main_vsi = ice_get_main_vsi(pf);
- int i;
+ unsigned int i;
if (!main_vsi)
return;
diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.c b/drivers/net/ethernet/intel/ice/ice_devlink.c
index c6833944b90a..a73d06e06b5d 100644
--- a/drivers/net/ethernet/intel/ice/ice_devlink.c
+++ b/drivers/net/ethernet/intel/ice/ice_devlink.c
@@ -105,6 +105,27 @@ static int ice_info_ddp_pkg_version(struct ice_pf *pf, char *buf, size_t len)
return 0;
}
+static int ice_info_netlist_ver(struct ice_pf *pf, char *buf, size_t len)
+{
+ struct ice_netlist_ver_info *netlist = &pf->hw.netlist_ver;
+
+ /* The netlist version fields are BCD formatted */
+ snprintf(buf, len, "%x.%x.%x-%x.%x.%x", netlist->major, netlist->minor,
+ netlist->type >> 16, netlist->type & 0xFFFF, netlist->rev,
+ netlist->cust_ver);
+
+ return 0;
+}
+
+static int ice_info_netlist_build(struct ice_pf *pf, char *buf, size_t len)
+{
+ struct ice_netlist_ver_info *netlist = &pf->hw.netlist_ver;
+
+ snprintf(buf, len, "0x%08x", netlist->hash);
+
+ return 0;
+}
+
#define fixed(key, getter) { ICE_VERSION_FIXED, key, getter }
#define running(key, getter) { ICE_VERSION_RUNNING, key, getter }
@@ -128,6 +149,8 @@ static const struct ice_devlink_version {
running(DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID, ice_info_eetrack),
running("fw.app.name", ice_info_ddp_pkg_name),
running(DEVLINK_INFO_VERSION_GENERIC_FW_APP, ice_info_ddp_pkg_version),
+ running("fw.netlist", ice_info_netlist_ver),
+ running("fw.netlist.build", ice_info_netlist_build),
};
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 593fb37bd59e..68c38004a088 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -5,6 +5,7 @@
#include "ice.h"
#include "ice_flow.h"
+#include "ice_fltr.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
@@ -129,6 +130,8 @@ static const struct ice_stats ice_gstrings_pf_stats[] = {
ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
+ ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
+ ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
};
static const u32 ice_regs_dump_list[] = {
@@ -139,9 +142,6 @@ static const u32 ice_regs_dump_list[] = {
QINT_RQCTL(0),
PFINT_OICR_ENA,
QRX_ITR(0),
- PF0INT_ITR_0(0),
- PF0INT_ITR_1(0),
- PF0INT_ITR_2(0),
};
struct ice_priv_flag {
@@ -157,6 +157,8 @@ struct ice_priv_flag {
static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
+ ICE_PRIV_FLAG("vf-true-promisc-support",
+ ICE_FLAG_VF_TRUE_PROMISC_ENA),
ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
};
@@ -203,7 +205,7 @@ ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
struct ice_pf *pf = np->vsi->back;
struct ice_hw *hw = &pf->hw;
u32 *regs_buf = (u32 *)p;
- int i;
+ unsigned int i;
regs->version = 1;
@@ -273,8 +275,9 @@ ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
status = ice_acquire_nvm(hw, ICE_RES_READ);
if (status) {
- dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto out;
}
@@ -282,8 +285,9 @@ ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
false);
if (status) {
- dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto release;
}
@@ -304,7 +308,7 @@ out:
*/
static bool ice_active_vfs(struct ice_pf *pf)
{
- int i;
+ unsigned int i;
ice_for_each_vf(pf, i) {
struct ice_vf *vf = &pf->vf[i];
@@ -332,7 +336,8 @@ static u64 ice_link_test(struct net_device *netdev)
netdev_info(netdev, "link test\n");
status = ice_get_link_status(np->vsi->port_info, &link_up);
if (status) {
- netdev_err(netdev, "link query error, status = %d\n", status);
+ netdev_err(netdev, "link query error, status = %s\n",
+ ice_stat_str(status));
return 1;
}
@@ -373,7 +378,7 @@ static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
0x00000000, 0xFFFFFFFF
};
u32 val, orig_val;
- int i;
+ unsigned int i;
orig_val = rd32(hw, reg);
for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
@@ -426,7 +431,7 @@ static u64 ice_reg_test(struct net_device *netdev)
GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
{GLINT_CTL, 0xffff0001, 1, 0}
};
- int i;
+ unsigned int i;
netdev_dbg(netdev, "Register test\n");
for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
@@ -671,7 +676,6 @@ static u64 ice_loopback_test(struct net_device *netdev)
struct ice_ring *tx_ring, *rx_ring;
u8 broadcast[ETH_ALEN], ret = 0;
int num_frames, valid_frames;
- LIST_HEAD(tmp_list);
struct device *dev;
u8 *tx_frame;
int i;
@@ -707,16 +711,11 @@ static u64 ice_loopback_test(struct net_device *netdev)
/* Test VSI needs to receive broadcast packets */
eth_broadcast_addr(broadcast);
- if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) {
+ if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
ret = 5;
goto lbtest_mac_dis;
}
- if (ice_add_mac(&pf->hw, &tmp_list)) {
- ret = 6;
- goto free_mac_list;
- }
-
if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
ret = 7;
goto remove_mac_filters;
@@ -739,10 +738,8 @@ static u64 ice_loopback_test(struct net_device *netdev)
lbtest_free_frame:
devm_kfree(dev, tx_frame);
remove_mac_filters:
- if (ice_remove_mac(&pf->hw, &tmp_list))
+ if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
-free_mac_list:
- ice_free_fltr_list(dev, &tmp_list);
lbtest_mac_dis:
/* Disable MAC loopback after the test is completed. */
if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
@@ -1158,8 +1155,9 @@ static int ice_nway_reset(struct net_device *netdev)
status = ice_aq_set_link_restart_an(pi, false, NULL);
if (status) {
- netdev_info(netdev, "link restart failed, err %d aq_err %d\n",
- status, pi->hw->adminq.sq_last_status);
+ netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(pi->hw->adminq.sq_last_status));
return -EIO;
}
@@ -1308,6 +1306,16 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
ice_down(vsi);
ice_up(vsi);
}
+ /* don't allow modification of this flag when a single VF is in
+ * promiscuous mode because it's not supported
+ */
+ if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
+ ice_is_any_vf_in_promisc(pf)) {
+ dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
+ /* toggle bit back to previous state */
+ change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
+ ret = -EAGAIN;
+ }
clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
return ret;
}
@@ -2450,8 +2458,8 @@ ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
if (status) {
- dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
- vsi->vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n",
+ vsi->vsi_num, ice_stat_str(status));
return -EINVAL;
}
@@ -2526,6 +2534,10 @@ static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
struct ice_vsi *vsi = np->vsi;
switch (cmd->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ return ice_add_fdir_ethtool(vsi, cmd);
+ case ETHTOOL_SRXCLSRLDEL:
+ return ice_del_fdir_ethtool(vsi, cmd);
case ETHTOOL_SRXFH:
return ice_set_rss_hash_opt(vsi, cmd);
default:
@@ -2549,12 +2561,27 @@ ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
int ret = -EOPNOTSUPP;
+ struct ice_hw *hw;
+
+ hw = &vsi->back->hw;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = vsi->rss_size;
ret = 0;
break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = hw->fdir_active_fltr;
+ /* report total rule count */
+ cmd->data = ice_get_fdir_cnt_all(hw);
+ ret = 0;
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ ret = ice_get_ethtool_fdir_entry(hw, cmd);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
+ break;
case ETHTOOL_GRXFH:
ice_get_rss_hash_opt(vsi, cmd);
ret = 0;
@@ -2593,7 +2620,7 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
int i, timeout = 50, err = 0;
- u32 new_rx_cnt, new_tx_cnt;
+ u16 new_rx_cnt, new_tx_cnt;
if (ring->tx_pending > ICE_MAX_NUM_DESC ||
ring->tx_pending < ICE_MIN_NUM_DESC ||
@@ -2645,8 +2672,8 @@ ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
if (ice_is_xdp_ena_vsi(vsi))
for (i = 0; i < vsi->num_xdp_txq; i++)
vsi->xdp_rings[i]->count = new_tx_cnt;
- vsi->num_tx_desc = new_tx_cnt;
- vsi->num_rx_desc = new_rx_cnt;
+ vsi->num_tx_desc = (u16)new_tx_cnt;
+ vsi->num_rx_desc = (u16)new_rx_cnt;
netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
goto done;
}
@@ -2952,31 +2979,22 @@ ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
status = ice_set_fc(pi, &aq_failures, link_up);
if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
- netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
} else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
- netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
} else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
- netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
err = -EAGAIN;
}
- if (!test_bit(__ICE_DOWN, pf->state)) {
- /* Give it a little more time to try to come back. If still
- * down, restart autoneg link or reinitialize the interface.
- */
- msleep(75);
- if (!test_bit(__ICE_DOWN, pf->state))
- return ice_nway_reset(netdev);
-
- ice_down(vsi);
- ice_up(vsi);
- }
-
return err;
}
@@ -3171,10 +3189,6 @@ ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
- /* check to see if VSI is active */
- if (test_bit(__ICE_DOWN, vsi->state))
- return;
-
/* report maximum channels */
ch->max_rx = ice_get_max_rxq(pf);
ch->max_tx = ice_get_max_txq(pf);
@@ -3184,6 +3198,10 @@ ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
ch->combined_count = ice_get_combined_cnt(vsi);
ch->rx_count = vsi->num_rxq - ch->combined_count;
ch->tx_count = vsi->num_txq - ch->combined_count;
+
+ /* report other queues */
+ ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
+ ch->max_other = ch->other_count;
}
/**
@@ -3227,8 +3245,9 @@ static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut,
vsi->rss_table_size);
if (status) {
- dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n",
- status, hw->adminq.rq_last_status);
+ dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
err = -EIO;
}
@@ -3255,9 +3274,14 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
return -EOPNOTSUPP;
}
/* do not support changing other_count */
- if (ch->other_count)
+ if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
return -EINVAL;
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
+ netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
+ return -EOPNOTSUPP;
+ }
+
curr_combined = ice_get_combined_cnt(vsi);
/* these checks are for cases where user didn't specify a particular
@@ -3731,10 +3755,10 @@ ice_get_module_eeprom(struct net_device *netdev,
struct ice_hw *hw = &pf->hw;
enum ice_status status;
bool is_sfp = false;
+ unsigned int i;
u16 offset = 0;
u8 value = 0;
u8 page = 0;
- int i;
status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0,
&value, 1, 0, NULL);
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
new file mode 100644
index 000000000000..d7430ce6af26
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
@@ -0,0 +1,1697 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+/* flow director ethtool support for ice */
+
+#include "ice.h"
+#include "ice_lib.h"
+#include "ice_flow.h"
+
+static struct in6_addr full_ipv6_addr_mask = {
+ .in6_u = {
+ .u6_addr8 = {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+ }
+ }
+};
+
+static struct in6_addr zero_ipv6_addr_mask = {
+ .in6_u = {
+ .u6_addr8 = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ }
+ }
+};
+
+/* calls to ice_flow_add_prof require the number of segments in the array
+ * for segs_cnt. In this code that is one more than the index.
+ */
+#define TNL_SEG_CNT(_TNL_) ((_TNL_) + 1)
+
+/**
+ * ice_fltr_to_ethtool_flow - convert filter type values to ethtool
+ * flow type values
+ * @flow: filter type to be converted
+ *
+ * Returns the corresponding ethtool flow type.
+ */
+static int ice_fltr_to_ethtool_flow(enum ice_fltr_ptype flow)
+{
+ switch (flow) {
+ case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
+ return TCP_V4_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
+ return UDP_V4_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
+ return SCTP_V4_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
+ return IPV4_USER_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
+ return TCP_V6_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
+ return UDP_V6_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
+ return SCTP_V6_FLOW;
+ case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
+ return IPV6_USER_FLOW;
+ default:
+ /* 0 is undefined ethtool flow */
+ return 0;
+ }
+}
+
+/**
+ * ice_ethtool_flow_to_fltr - convert ethtool flow type to filter enum
+ * @eth: Ethtool flow type to be converted
+ *
+ * Returns flow enum
+ */
+static enum ice_fltr_ptype ice_ethtool_flow_to_fltr(int eth)
+{
+ switch (eth) {
+ case TCP_V4_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV4_TCP;
+ case UDP_V4_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV4_UDP;
+ case SCTP_V4_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
+ case IPV4_USER_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
+ case TCP_V6_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV6_TCP;
+ case UDP_V6_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV6_UDP;
+ case SCTP_V6_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
+ case IPV6_USER_FLOW:
+ return ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
+ default:
+ return ICE_FLTR_PTYPE_NONF_NONE;
+ }
+}
+
+/**
+ * ice_is_mask_valid - check mask field set
+ * @mask: full mask to check
+ * @field: field for which mask should be valid
+ *
+ * If the mask is fully set return true. If it is not valid for field return
+ * false.
+ */
+static bool ice_is_mask_valid(u64 mask, u64 field)
+{
+ return (mask & field) == field;
+}
+
+/**
+ * ice_get_ethtool_fdir_entry - fill ethtool structure with fdir filter data
+ * @hw: hardware structure that contains filter list
+ * @cmd: ethtool command data structure to receive the filter data
+ *
+ * Returns 0 on success and -EINVAL on failure
+ */
+int ice_get_ethtool_fdir_entry(struct ice_hw *hw, struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp;
+ struct ice_fdir_fltr *rule;
+ int ret = 0;
+ u16 idx;
+
+ fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
+
+ mutex_lock(&hw->fdir_fltr_lock);
+
+ rule = ice_fdir_find_fltr_by_idx(hw, fsp->location);
+
+ if (!rule || fsp->location != rule->fltr_id) {
+ ret = -EINVAL;
+ goto release_lock;
+ }
+
+ fsp->flow_type = ice_fltr_to_ethtool_flow(rule->flow_type);
+
+ memset(&fsp->m_u, 0, sizeof(fsp->m_u));
+ memset(&fsp->m_ext, 0, sizeof(fsp->m_ext));
+
+ switch (fsp->flow_type) {
+ case IPV4_USER_FLOW:
+ fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
+ fsp->h_u.usr_ip4_spec.proto = 0;
+ fsp->h_u.usr_ip4_spec.l4_4_bytes = rule->ip.v4.l4_header;
+ fsp->h_u.usr_ip4_spec.tos = rule->ip.v4.tos;
+ fsp->h_u.usr_ip4_spec.ip4src = rule->ip.v4.src_ip;
+ fsp->h_u.usr_ip4_spec.ip4dst = rule->ip.v4.dst_ip;
+ fsp->m_u.usr_ip4_spec.ip4src = rule->mask.v4.src_ip;
+ fsp->m_u.usr_ip4_spec.ip4dst = rule->mask.v4.dst_ip;
+ fsp->m_u.usr_ip4_spec.ip_ver = 0xFF;
+ fsp->m_u.usr_ip4_spec.proto = 0;
+ fsp->m_u.usr_ip4_spec.l4_4_bytes = rule->mask.v4.l4_header;
+ fsp->m_u.usr_ip4_spec.tos = rule->mask.v4.tos;
+ break;
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ fsp->h_u.tcp_ip4_spec.psrc = rule->ip.v4.src_port;
+ fsp->h_u.tcp_ip4_spec.pdst = rule->ip.v4.dst_port;
+ fsp->h_u.tcp_ip4_spec.ip4src = rule->ip.v4.src_ip;
+ fsp->h_u.tcp_ip4_spec.ip4dst = rule->ip.v4.dst_ip;
+ fsp->m_u.tcp_ip4_spec.psrc = rule->mask.v4.src_port;
+ fsp->m_u.tcp_ip4_spec.pdst = rule->mask.v4.dst_port;
+ fsp->m_u.tcp_ip4_spec.ip4src = rule->mask.v4.src_ip;
+ fsp->m_u.tcp_ip4_spec.ip4dst = rule->mask.v4.dst_ip;
+ break;
+ case IPV6_USER_FLOW:
+ fsp->h_u.usr_ip6_spec.l4_4_bytes = rule->ip.v6.l4_header;
+ fsp->h_u.usr_ip6_spec.tclass = rule->ip.v6.tc;
+ fsp->h_u.usr_ip6_spec.l4_proto = rule->ip.v6.proto;
+ memcpy(fsp->h_u.tcp_ip6_spec.ip6src, rule->ip.v6.src_ip,
+ sizeof(struct in6_addr));
+ memcpy(fsp->h_u.tcp_ip6_spec.ip6dst, rule->ip.v6.dst_ip,
+ sizeof(struct in6_addr));
+ memcpy(fsp->m_u.tcp_ip6_spec.ip6src, rule->mask.v6.src_ip,
+ sizeof(struct in6_addr));
+ memcpy(fsp->m_u.tcp_ip6_spec.ip6dst, rule->mask.v6.dst_ip,
+ sizeof(struct in6_addr));
+ fsp->m_u.usr_ip6_spec.l4_4_bytes = rule->mask.v6.l4_header;
+ fsp->m_u.usr_ip6_spec.tclass = rule->mask.v6.tc;
+ fsp->m_u.usr_ip6_spec.l4_proto = rule->mask.v6.proto;
+ break;
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ memcpy(fsp->h_u.tcp_ip6_spec.ip6src, rule->ip.v6.src_ip,
+ sizeof(struct in6_addr));
+ memcpy(fsp->h_u.tcp_ip6_spec.ip6dst, rule->ip.v6.dst_ip,
+ sizeof(struct in6_addr));
+ fsp->h_u.tcp_ip6_spec.psrc = rule->ip.v6.src_port;
+ fsp->h_u.tcp_ip6_spec.pdst = rule->ip.v6.dst_port;
+ memcpy(fsp->m_u.tcp_ip6_spec.ip6src,
+ rule->mask.v6.src_ip,
+ sizeof(struct in6_addr));
+ memcpy(fsp->m_u.tcp_ip6_spec.ip6dst,
+ rule->mask.v6.dst_ip,
+ sizeof(struct in6_addr));
+ fsp->m_u.tcp_ip6_spec.psrc = rule->mask.v6.src_port;
+ fsp->m_u.tcp_ip6_spec.pdst = rule->mask.v6.dst_port;
+ fsp->h_u.tcp_ip6_spec.tclass = rule->ip.v6.tc;
+ fsp->m_u.tcp_ip6_spec.tclass = rule->mask.v6.tc;
+ break;
+ default:
+ break;
+ }
+
+ if (rule->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT)
+ fsp->ring_cookie = RX_CLS_FLOW_DISC;
+ else
+ fsp->ring_cookie = rule->q_index;
+
+ idx = ice_ethtool_flow_to_fltr(fsp->flow_type);
+ if (idx == ICE_FLTR_PTYPE_NONF_NONE) {
+ dev_err(ice_hw_to_dev(hw), "Missing input index for flow_type %d\n",
+ rule->flow_type);
+ ret = -EINVAL;
+ }
+
+release_lock:
+ mutex_unlock(&hw->fdir_fltr_lock);
+ return ret;
+}
+
+/**
+ * ice_get_fdir_fltr_ids - fill buffer with filter IDs of active filters
+ * @hw: hardware structure containing the filter list
+ * @cmd: ethtool command data structure
+ * @rule_locs: ethtool array passed in from OS to receive filter IDs
+ *
+ * Returns 0 as expected for success by ethtool
+ */
+int
+ice_get_fdir_fltr_ids(struct ice_hw *hw, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct ice_fdir_fltr *f_rule;
+ unsigned int cnt = 0;
+ int val = 0;
+
+ /* report total rule count */
+ cmd->data = ice_get_fdir_cnt_all(hw);
+
+ mutex_lock(&hw->fdir_fltr_lock);
+
+ list_for_each_entry(f_rule, &hw->fdir_list_head, fltr_node) {
+ if (cnt == cmd->rule_cnt) {
+ val = -EMSGSIZE;
+ goto release_lock;
+ }
+ rule_locs[cnt] = f_rule->fltr_id;
+ cnt++;
+ }
+
+release_lock:
+ mutex_unlock(&hw->fdir_fltr_lock);
+ if (!val)
+ cmd->rule_cnt = cnt;
+ return val;
+}
+
+/**
+ * ice_fdir_get_hw_prof - return the ice_fd_hw_proc associated with a flow
+ * @hw: hardware structure containing the filter list
+ * @blk: hardware block
+ * @flow: FDir flow type to release
+ */
+static struct ice_fd_hw_prof *
+ice_fdir_get_hw_prof(struct ice_hw *hw, enum ice_block blk, int flow)
+{
+ if (blk == ICE_BLK_FD && hw->fdir_prof)
+ return hw->fdir_prof[flow];
+
+ return NULL;
+}
+
+/**
+ * ice_fdir_erase_flow_from_hw - remove a flow from the HW profile tables
+ * @hw: hardware structure containing the filter list
+ * @blk: hardware block
+ * @flow: FDir flow type to release
+ */
+static void
+ice_fdir_erase_flow_from_hw(struct ice_hw *hw, enum ice_block blk, int flow)
+{
+ struct ice_fd_hw_prof *prof = ice_fdir_get_hw_prof(hw, blk, flow);
+ int tun;
+
+ if (!prof)
+ return;
+
+ for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
+ u64 prof_id;
+ int j;
+
+ prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
+ for (j = 0; j < prof->cnt; j++) {
+ u16 vsi_num;
+
+ if (!prof->entry_h[j][tun] || !prof->vsi_h[j])
+ continue;
+ vsi_num = ice_get_hw_vsi_num(hw, prof->vsi_h[j]);
+ ice_rem_prof_id_flow(hw, blk, vsi_num, prof_id);
+ ice_flow_rem_entry(hw, blk, prof->entry_h[j][tun]);
+ prof->entry_h[j][tun] = 0;
+ }
+ ice_flow_rem_prof(hw, blk, prof_id);
+ }
+}
+
+/**
+ * ice_fdir_rem_flow - release the ice_flow structures for a filter type
+ * @hw: hardware structure containing the filter list
+ * @blk: hardware block
+ * @flow_type: FDir flow type to release
+ */
+static void
+ice_fdir_rem_flow(struct ice_hw *hw, enum ice_block blk,
+ enum ice_fltr_ptype flow_type)
+{
+ int flow = (int)flow_type & ~FLOW_EXT;
+ struct ice_fd_hw_prof *prof;
+ int tun, i;
+
+ prof = ice_fdir_get_hw_prof(hw, blk, flow);
+ if (!prof)
+ return;
+
+ ice_fdir_erase_flow_from_hw(hw, blk, flow);
+ for (i = 0; i < prof->cnt; i++)
+ prof->vsi_h[i] = 0;
+ for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
+ if (!prof->fdir_seg[tun])
+ continue;
+ devm_kfree(ice_hw_to_dev(hw), prof->fdir_seg[tun]);
+ prof->fdir_seg[tun] = NULL;
+ }
+ prof->cnt = 0;
+}
+
+/**
+ * ice_fdir_release_flows - release all flows in use for later replay
+ * @hw: pointer to HW instance
+ */
+void ice_fdir_release_flows(struct ice_hw *hw)
+{
+ int flow;
+
+ /* release Flow Director HW table entries */
+ for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++)
+ ice_fdir_erase_flow_from_hw(hw, ICE_BLK_FD, flow);
+}
+
+/**
+ * ice_fdir_replay_flows - replay HW Flow Director filter info
+ * @hw: pointer to HW instance
+ */
+void ice_fdir_replay_flows(struct ice_hw *hw)
+{
+ int flow;
+
+ for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++) {
+ int tun;
+
+ if (!hw->fdir_prof[flow] || !hw->fdir_prof[flow]->cnt)
+ continue;
+ for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
+ struct ice_flow_prof *hw_prof;
+ struct ice_fd_hw_prof *prof;
+ u64 prof_id;
+ int j;
+
+ prof = hw->fdir_prof[flow];
+ prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
+ ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, prof_id,
+ prof->fdir_seg[tun], TNL_SEG_CNT(tun),
+ &hw_prof);
+ for (j = 0; j < prof->cnt; j++) {
+ enum ice_flow_priority prio;
+ u64 entry_h = 0;
+ int err;
+
+ prio = ICE_FLOW_PRIO_NORMAL;
+ err = ice_flow_add_entry(hw, ICE_BLK_FD,
+ prof_id,
+ prof->vsi_h[0],
+ prof->vsi_h[j],
+ prio, prof->fdir_seg,
+ &entry_h);
+ if (err) {
+ dev_err(ice_hw_to_dev(hw), "Could not replay Flow Director, flow type %d\n",
+ flow);
+ continue;
+ }
+ prof->entry_h[j][tun] = entry_h;
+ }
+ }
+ }
+}
+
+/**
+ * ice_parse_rx_flow_user_data - deconstruct user-defined data
+ * @fsp: pointer to ethtool Rx flow specification
+ * @data: pointer to userdef data structure for storage
+ *
+ * Returns 0 on success, negative error value on failure
+ */
+static int
+ice_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
+ struct ice_rx_flow_userdef *data)
+{
+ u64 value, mask;
+
+ memset(data, 0, sizeof(*data));
+ if (!(fsp->flow_type & FLOW_EXT))
+ return 0;
+
+ value = be64_to_cpu(*((__force __be64 *)fsp->h_ext.data));
+ mask = be64_to_cpu(*((__force __be64 *)fsp->m_ext.data));
+ if (!mask)
+ return 0;
+
+#define ICE_USERDEF_FLEX_WORD_M GENMASK_ULL(15, 0)
+#define ICE_USERDEF_FLEX_OFFS_S 16
+#define ICE_USERDEF_FLEX_OFFS_M GENMASK_ULL(31, ICE_USERDEF_FLEX_OFFS_S)
+#define ICE_USERDEF_FLEX_FLTR_M GENMASK_ULL(31, 0)
+
+ /* 0x1fe is the maximum value for offsets stored in the internal
+ * filtering tables.
+ */
+#define ICE_USERDEF_FLEX_MAX_OFFS_VAL 0x1fe
+
+ if (!ice_is_mask_valid(mask, ICE_USERDEF_FLEX_FLTR_M) ||
+ value > ICE_USERDEF_FLEX_FLTR_M)
+ return -EINVAL;
+
+ data->flex_word = value & ICE_USERDEF_FLEX_WORD_M;
+ data->flex_offset = (value & ICE_USERDEF_FLEX_OFFS_M) >>
+ ICE_USERDEF_FLEX_OFFS_S;
+ if (data->flex_offset > ICE_USERDEF_FLEX_MAX_OFFS_VAL)
+ return -EINVAL;
+
+ data->flex_fltr = true;
+
+ return 0;
+}
+
+/**
+ * ice_fdir_num_avail_fltr - return the number of unused flow director filters
+ * @hw: pointer to hardware structure
+ * @vsi: software VSI structure
+ *
+ * There are 2 filter pools: guaranteed and best effort(shared). Each VSI can
+ * use filters from either pool. The guaranteed pool is divided between VSIs.
+ * The best effort filter pool is common to all VSIs and is a device shared
+ * resource pool. The number of filters available to this VSI is the sum of
+ * the VSIs guaranteed filter pool and the global available best effort
+ * filter pool.
+ *
+ * Returns the number of available flow director filters to this VSI
+ */
+static int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
+{
+ u16 vsi_num = ice_get_hw_vsi_num(hw, vsi->idx);
+ u16 num_guar;
+ u16 num_be;
+
+ /* total guaranteed filters assigned to this VSI */
+ num_guar = vsi->num_gfltr;
+
+ /* minus the guaranteed filters programed by this VSI */
+ num_guar -= (rd32(hw, VSIQF_FD_CNT(vsi_num)) &
+ VSIQF_FD_CNT_FD_GCNT_M) >> VSIQF_FD_CNT_FD_GCNT_S;
+
+ /* total global best effort filters */
+ num_be = hw->func_caps.fd_fltr_best_effort;
+
+ /* minus the global best effort filters programmed */
+ num_be -= (rd32(hw, GLQF_FD_CNT) & GLQF_FD_CNT_FD_BCNT_M) >>
+ GLQF_FD_CNT_FD_BCNT_S;
+
+ return num_guar + num_be;
+}
+
+/**
+ * ice_fdir_alloc_flow_prof - allocate FDir flow profile structure(s)
+ * @hw: HW structure containing the FDir flow profile structure(s)
+ * @flow: flow type to allocate the flow profile for
+ *
+ * Allocate the fdir_prof and fdir_prof[flow] if not already created. Return 0
+ * on success and negative on error.
+ */
+static int
+ice_fdir_alloc_flow_prof(struct ice_hw *hw, enum ice_fltr_ptype flow)
+{
+ if (!hw)
+ return -EINVAL;
+
+ if (!hw->fdir_prof) {
+ hw->fdir_prof = devm_kcalloc(ice_hw_to_dev(hw),
+ ICE_FLTR_PTYPE_MAX,
+ sizeof(*hw->fdir_prof),
+ GFP_KERNEL);
+ if (!hw->fdir_prof)
+ return -ENOMEM;
+ }
+
+ if (!hw->fdir_prof[flow]) {
+ hw->fdir_prof[flow] = devm_kzalloc(ice_hw_to_dev(hw),
+ sizeof(**hw->fdir_prof),
+ GFP_KERNEL);
+ if (!hw->fdir_prof[flow])
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_fdir_set_hw_fltr_rule - Configure HW tables to generate a FDir rule
+ * @pf: pointer to the PF structure
+ * @seg: protocol header description pointer
+ * @flow: filter enum
+ * @tun: FDir segment to program
+ */
+static int
+ice_fdir_set_hw_fltr_rule(struct ice_pf *pf, struct ice_flow_seg_info *seg,
+ enum ice_fltr_ptype flow, enum ice_fd_hw_seg tun)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+ struct ice_vsi *main_vsi, *ctrl_vsi;
+ struct ice_flow_seg_info *old_seg;
+ struct ice_flow_prof *prof = NULL;
+ struct ice_fd_hw_prof *hw_prof;
+ struct ice_hw *hw = &pf->hw;
+ enum ice_status status;
+ u64 entry1_h = 0;
+ u64 entry2_h = 0;
+ u64 prof_id;
+ int err;
+
+ main_vsi = ice_get_main_vsi(pf);
+ if (!main_vsi)
+ return -EINVAL;
+
+ ctrl_vsi = ice_get_ctrl_vsi(pf);
+ if (!ctrl_vsi)
+ return -EINVAL;
+
+ err = ice_fdir_alloc_flow_prof(hw, flow);
+ if (err)
+ return err;
+
+ hw_prof = hw->fdir_prof[flow];
+ old_seg = hw_prof->fdir_seg[tun];
+ if (old_seg) {
+ /* This flow_type already has a changed input set.
+ * If it matches the requested input set then we are
+ * done. Or, if it's different then it's an error.
+ */
+ if (!memcmp(old_seg, seg, sizeof(*seg)))
+ return -EEXIST;
+
+ /* if there are FDir filters using this flow,
+ * then return error.
+ */
+ if (hw->fdir_fltr_cnt[flow]) {
+ dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
+ return -EINVAL;
+ }
+
+ if (ice_is_arfs_using_perfect_flow(hw, flow)) {
+ dev_err(dev, "aRFS using perfect flow type %d, cannot change input set\n",
+ flow);
+ return -EINVAL;
+ }
+
+ /* remove HW filter definition */
+ ice_fdir_rem_flow(hw, ICE_BLK_FD, flow);
+ }
+
+ /* Adding a profile, but there is only one header supported.
+ * That is the final parameters are 1 header (segment), no
+ * actions (NULL) and zero actions 0.
+ */
+ prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
+ status = ice_flow_add_prof(hw, ICE_BLK_FD, ICE_FLOW_RX, prof_id, seg,
+ TNL_SEG_CNT(tun), &prof);
+ if (status)
+ return ice_status_to_errno(status);
+ status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, main_vsi->idx,
+ main_vsi->idx, ICE_FLOW_PRIO_NORMAL,
+ seg, &entry1_h);
+ if (status) {
+ err = ice_status_to_errno(status);
+ goto err_prof;
+ }
+ status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, main_vsi->idx,
+ ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL,
+ seg, &entry2_h);
+ if (status) {
+ err = ice_status_to_errno(status);
+ goto err_entry;
+ }
+
+ hw_prof->fdir_seg[tun] = seg;
+ hw_prof->entry_h[0][tun] = entry1_h;
+ hw_prof->entry_h[1][tun] = entry2_h;
+ hw_prof->vsi_h[0] = main_vsi->idx;
+ hw_prof->vsi_h[1] = ctrl_vsi->idx;
+ if (!hw_prof->cnt)
+ hw_prof->cnt = 2;
+
+ return 0;
+
+err_entry:
+ ice_rem_prof_id_flow(hw, ICE_BLK_FD,
+ ice_get_hw_vsi_num(hw, main_vsi->idx), prof_id);
+ ice_flow_rem_entry(hw, ICE_BLK_FD, entry1_h);
+err_prof:
+ ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
+ dev_err(dev, "Failed to add filter. Flow director filters on each port must have the same input set.\n");
+
+ return err;
+}
+
+/**
+ * ice_set_init_fdir_seg
+ * @seg: flow segment for programming
+ * @l3_proto: ICE_FLOW_SEG_HDR_IPV4 or ICE_FLOW_SEG_HDR_IPV6
+ * @l4_proto: ICE_FLOW_SEG_HDR_TCP or ICE_FLOW_SEG_HDR_UDP
+ *
+ * Set the configuration for perfect filters to the provided flow segment for
+ * programming the HW filter. This is to be called only when initializing
+ * filters as this function it assumes no filters exist.
+ */
+static int
+ice_set_init_fdir_seg(struct ice_flow_seg_info *seg,
+ enum ice_flow_seg_hdr l3_proto,
+ enum ice_flow_seg_hdr l4_proto)
+{
+ enum ice_flow_field src_addr, dst_addr, src_port, dst_port;
+
+ if (!seg)
+ return -EINVAL;
+
+ if (l3_proto == ICE_FLOW_SEG_HDR_IPV4) {
+ src_addr = ICE_FLOW_FIELD_IDX_IPV4_SA;
+ dst_addr = ICE_FLOW_FIELD_IDX_IPV4_DA;
+ } else if (l3_proto == ICE_FLOW_SEG_HDR_IPV6) {
+ src_addr = ICE_FLOW_FIELD_IDX_IPV6_SA;
+ dst_addr = ICE_FLOW_FIELD_IDX_IPV6_DA;
+ } else {
+ return -EINVAL;
+ }
+
+ if (l4_proto == ICE_FLOW_SEG_HDR_TCP) {
+ src_port = ICE_FLOW_FIELD_IDX_TCP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_TCP_DST_PORT;
+ } else if (l4_proto == ICE_FLOW_SEG_HDR_UDP) {
+ src_port = ICE_FLOW_FIELD_IDX_UDP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_UDP_DST_PORT;
+ } else {
+ return -EINVAL;
+ }
+
+ ICE_FLOW_SET_HDRS(seg, l3_proto | l4_proto);
+
+ /* IP source address */
+ ice_flow_set_fld(seg, src_addr, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL, false);
+
+ /* IP destination address */
+ ice_flow_set_fld(seg, dst_addr, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL, false);
+
+ /* Layer 4 source port */
+ ice_flow_set_fld(seg, src_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL, false);
+
+ /* Layer 4 destination port */
+ ice_flow_set_fld(seg, dst_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL, false);
+
+ return 0;
+}
+
+/**
+ * ice_create_init_fdir_rule
+ * @pf: PF structure
+ * @flow: filter enum
+ *
+ * Return error value or 0 on success.
+ */
+static int
+ice_create_init_fdir_rule(struct ice_pf *pf, enum ice_fltr_ptype flow)
+{
+ struct ice_flow_seg_info *seg, *tun_seg;
+ struct device *dev = ice_pf_to_dev(pf);
+ struct ice_hw *hw = &pf->hw;
+ int ret;
+
+ /* if there is already a filter rule for kind return -EINVAL */
+ if (hw->fdir_prof && hw->fdir_prof[flow] &&
+ hw->fdir_prof[flow]->fdir_seg[0])
+ return -EINVAL;
+
+ seg = devm_kzalloc(dev, sizeof(*seg), GFP_KERNEL);
+ if (!seg)
+ return -ENOMEM;
+
+ tun_seg = devm_kzalloc(dev, sizeof(*seg) * ICE_FD_HW_SEG_MAX,
+ GFP_KERNEL);
+ if (!tun_seg) {
+ devm_kfree(dev, seg);
+ return -ENOMEM;
+ }
+
+ if (flow == ICE_FLTR_PTYPE_NONF_IPV4_TCP)
+ ret = ice_set_init_fdir_seg(seg, ICE_FLOW_SEG_HDR_IPV4,
+ ICE_FLOW_SEG_HDR_TCP);
+ else if (flow == ICE_FLTR_PTYPE_NONF_IPV4_UDP)
+ ret = ice_set_init_fdir_seg(seg, ICE_FLOW_SEG_HDR_IPV4,
+ ICE_FLOW_SEG_HDR_UDP);
+ else if (flow == ICE_FLTR_PTYPE_NONF_IPV6_TCP)
+ ret = ice_set_init_fdir_seg(seg, ICE_FLOW_SEG_HDR_IPV6,
+ ICE_FLOW_SEG_HDR_TCP);
+ else if (flow == ICE_FLTR_PTYPE_NONF_IPV6_UDP)
+ ret = ice_set_init_fdir_seg(seg, ICE_FLOW_SEG_HDR_IPV6,
+ ICE_FLOW_SEG_HDR_UDP);
+ else
+ ret = -EINVAL;
+ if (ret)
+ goto err_exit;
+
+ /* add filter for outer headers */
+ ret = ice_fdir_set_hw_fltr_rule(pf, seg, flow, ICE_FD_HW_SEG_NON_TUN);
+ if (ret)
+ /* could not write filter, free memory */
+ goto err_exit;
+
+ /* make tunneled filter HW entries if possible */
+ memcpy(&tun_seg[1], seg, sizeof(*seg));
+ ret = ice_fdir_set_hw_fltr_rule(pf, tun_seg, flow, ICE_FD_HW_SEG_TUN);
+ if (ret)
+ /* could not write tunnel filter, but outer header filter
+ * exists
+ */
+ devm_kfree(dev, tun_seg);
+
+ set_bit(flow, hw->fdir_perfect_fltr);
+ return ret;
+err_exit:
+ devm_kfree(dev, tun_seg);
+ devm_kfree(dev, seg);
+
+ return -EOPNOTSUPP;
+}
+
+/**
+ * ice_set_fdir_ip4_seg
+ * @seg: flow segment for programming
+ * @tcp_ip4_spec: mask data from ethtool
+ * @l4_proto: Layer 4 protocol to program
+ * @perfect_fltr: only valid on success; returns true if perfect filter,
+ * false if not
+ *
+ * Set the mask data into the flow segment to be used to program HW
+ * table based on provided L4 protocol for IPv4
+ */
+static int
+ice_set_fdir_ip4_seg(struct ice_flow_seg_info *seg,
+ struct ethtool_tcpip4_spec *tcp_ip4_spec,
+ enum ice_flow_seg_hdr l4_proto, bool *perfect_fltr)
+{
+ enum ice_flow_field src_port, dst_port;
+
+ /* make sure we don't have any empty rule */
+ if (!tcp_ip4_spec->psrc && !tcp_ip4_spec->ip4src &&
+ !tcp_ip4_spec->pdst && !tcp_ip4_spec->ip4dst)
+ return -EINVAL;
+
+ /* filtering on TOS not supported */
+ if (tcp_ip4_spec->tos)
+ return -EOPNOTSUPP;
+
+ if (l4_proto == ICE_FLOW_SEG_HDR_TCP) {
+ src_port = ICE_FLOW_FIELD_IDX_TCP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_TCP_DST_PORT;
+ } else if (l4_proto == ICE_FLOW_SEG_HDR_UDP) {
+ src_port = ICE_FLOW_FIELD_IDX_UDP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_UDP_DST_PORT;
+ } else if (l4_proto == ICE_FLOW_SEG_HDR_SCTP) {
+ src_port = ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_SCTP_DST_PORT;
+ } else {
+ return -EOPNOTSUPP;
+ }
+
+ *perfect_fltr = true;
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4 | l4_proto);
+
+ /* IP source address */
+ if (tcp_ip4_spec->ip4src == htonl(0xFFFFFFFF))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV4_SA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!tcp_ip4_spec->ip4src)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* IP destination address */
+ if (tcp_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV4_DA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!tcp_ip4_spec->ip4dst)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* Layer 4 source port */
+ if (tcp_ip4_spec->psrc == htons(0xFFFF))
+ ice_flow_set_fld(seg, src_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ false);
+ else if (!tcp_ip4_spec->psrc)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* Layer 4 destination port */
+ if (tcp_ip4_spec->pdst == htons(0xFFFF))
+ ice_flow_set_fld(seg, dst_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ false);
+ else if (!tcp_ip4_spec->pdst)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+/**
+ * ice_set_fdir_ip4_usr_seg
+ * @seg: flow segment for programming
+ * @usr_ip4_spec: ethtool userdef packet offset
+ * @perfect_fltr: only valid on success; returns true if perfect filter,
+ * false if not
+ *
+ * Set the offset data into the flow segment to be used to program HW
+ * table for IPv4
+ */
+static int
+ice_set_fdir_ip4_usr_seg(struct ice_flow_seg_info *seg,
+ struct ethtool_usrip4_spec *usr_ip4_spec,
+ bool *perfect_fltr)
+{
+ /* first 4 bytes of Layer 4 header */
+ if (usr_ip4_spec->l4_4_bytes)
+ return -EINVAL;
+ if (usr_ip4_spec->tos)
+ return -EINVAL;
+ if (usr_ip4_spec->ip_ver)
+ return -EINVAL;
+ /* Filtering on Layer 4 protocol not supported */
+ if (usr_ip4_spec->proto)
+ return -EOPNOTSUPP;
+ /* empty rules are not valid */
+ if (!usr_ip4_spec->ip4src && !usr_ip4_spec->ip4dst)
+ return -EINVAL;
+
+ *perfect_fltr = true;
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4);
+
+ /* IP source address */
+ if (usr_ip4_spec->ip4src == htonl(0xFFFFFFFF))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV4_SA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!usr_ip4_spec->ip4src)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* IP destination address */
+ if (usr_ip4_spec->ip4dst == htonl(0xFFFFFFFF))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV4_DA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!usr_ip4_spec->ip4dst)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+/**
+ * ice_set_fdir_ip6_seg
+ * @seg: flow segment for programming
+ * @tcp_ip6_spec: mask data from ethtool
+ * @l4_proto: Layer 4 protocol to program
+ * @perfect_fltr: only valid on success; returns true if perfect filter,
+ * false if not
+ *
+ * Set the mask data into the flow segment to be used to program HW
+ * table based on provided L4 protocol for IPv6
+ */
+static int
+ice_set_fdir_ip6_seg(struct ice_flow_seg_info *seg,
+ struct ethtool_tcpip6_spec *tcp_ip6_spec,
+ enum ice_flow_seg_hdr l4_proto, bool *perfect_fltr)
+{
+ enum ice_flow_field src_port, dst_port;
+
+ /* make sure we don't have any empty rule */
+ if (!memcmp(tcp_ip6_spec->ip6src, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)) &&
+ !memcmp(tcp_ip6_spec->ip6dst, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)) &&
+ !tcp_ip6_spec->psrc && !tcp_ip6_spec->pdst)
+ return -EINVAL;
+
+ /* filtering on TC not supported */
+ if (tcp_ip6_spec->tclass)
+ return -EOPNOTSUPP;
+
+ if (l4_proto == ICE_FLOW_SEG_HDR_TCP) {
+ src_port = ICE_FLOW_FIELD_IDX_TCP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_TCP_DST_PORT;
+ } else if (l4_proto == ICE_FLOW_SEG_HDR_UDP) {
+ src_port = ICE_FLOW_FIELD_IDX_UDP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_UDP_DST_PORT;
+ } else if (l4_proto == ICE_FLOW_SEG_HDR_SCTP) {
+ src_port = ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT;
+ dst_port = ICE_FLOW_FIELD_IDX_SCTP_DST_PORT;
+ } else {
+ return -EINVAL;
+ }
+
+ *perfect_fltr = true;
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6 | l4_proto);
+
+ if (!memcmp(tcp_ip6_spec->ip6src, &full_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_SA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!memcmp(tcp_ip6_spec->ip6src, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ if (!memcmp(tcp_ip6_spec->ip6dst, &full_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_DA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!memcmp(tcp_ip6_spec->ip6dst, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* Layer 4 source port */
+ if (tcp_ip6_spec->psrc == htons(0xFFFF))
+ ice_flow_set_fld(seg, src_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ false);
+ else if (!tcp_ip6_spec->psrc)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ /* Layer 4 destination port */
+ if (tcp_ip6_spec->pdst == htons(0xFFFF))
+ ice_flow_set_fld(seg, dst_port, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ false);
+ else if (!tcp_ip6_spec->pdst)
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+/**
+ * ice_set_fdir_ip6_usr_seg
+ * @seg: flow segment for programming
+ * @usr_ip6_spec: ethtool userdef packet offset
+ * @perfect_fltr: only valid on success; returns true if perfect filter,
+ * false if not
+ *
+ * Set the offset data into the flow segment to be used to program HW
+ * table for IPv6
+ */
+static int
+ice_set_fdir_ip6_usr_seg(struct ice_flow_seg_info *seg,
+ struct ethtool_usrip6_spec *usr_ip6_spec,
+ bool *perfect_fltr)
+{
+ /* filtering on Layer 4 bytes not supported */
+ if (usr_ip6_spec->l4_4_bytes)
+ return -EOPNOTSUPP;
+ /* filtering on TC not supported */
+ if (usr_ip6_spec->tclass)
+ return -EOPNOTSUPP;
+ /* filtering on Layer 4 protocol not supported */
+ if (usr_ip6_spec->l4_proto)
+ return -EOPNOTSUPP;
+ /* empty rules are not valid */
+ if (!memcmp(usr_ip6_spec->ip6src, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)) &&
+ !memcmp(usr_ip6_spec->ip6dst, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ return -EINVAL;
+
+ *perfect_fltr = true;
+ ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6);
+
+ if (!memcmp(usr_ip6_spec->ip6src, &full_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_SA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!memcmp(usr_ip6_spec->ip6src, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ if (!memcmp(usr_ip6_spec->ip6dst, &full_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ ice_flow_set_fld(seg, ICE_FLOW_FIELD_IDX_IPV6_DA,
+ ICE_FLOW_FLD_OFF_INVAL, ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL, false);
+ else if (!memcmp(usr_ip6_spec->ip6dst, &zero_ipv6_addr_mask,
+ sizeof(struct in6_addr)))
+ *perfect_fltr = false;
+ else
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+/**
+ * ice_cfg_fdir_xtrct_seq - Configure extraction sequence for the given filter
+ * @pf: PF structure
+ * @fsp: pointer to ethtool Rx flow specification
+ * @user: user defined data from flow specification
+ *
+ * Returns 0 on success.
+ */
+static int
+ice_cfg_fdir_xtrct_seq(struct ice_pf *pf, struct ethtool_rx_flow_spec *fsp,
+ struct ice_rx_flow_userdef *user)
+{
+ struct ice_flow_seg_info *seg, *tun_seg;
+ struct device *dev = ice_pf_to_dev(pf);
+ enum ice_fltr_ptype fltr_idx;
+ struct ice_hw *hw = &pf->hw;
+ bool perfect_filter;
+ int ret;
+
+ seg = devm_kzalloc(dev, sizeof(*seg), GFP_KERNEL);
+ if (!seg)
+ return -ENOMEM;
+
+ tun_seg = devm_kzalloc(dev, sizeof(*seg) * ICE_FD_HW_SEG_MAX,
+ GFP_KERNEL);
+ if (!tun_seg) {
+ devm_kfree(dev, seg);
+ return -ENOMEM;
+ }
+
+ switch (fsp->flow_type & ~FLOW_EXT) {
+ case TCP_V4_FLOW:
+ ret = ice_set_fdir_ip4_seg(seg, &fsp->m_u.tcp_ip4_spec,
+ ICE_FLOW_SEG_HDR_TCP,
+ &perfect_filter);
+ break;
+ case UDP_V4_FLOW:
+ ret = ice_set_fdir_ip4_seg(seg, &fsp->m_u.tcp_ip4_spec,
+ ICE_FLOW_SEG_HDR_UDP,
+ &perfect_filter);
+ break;
+ case SCTP_V4_FLOW:
+ ret = ice_set_fdir_ip4_seg(seg, &fsp->m_u.tcp_ip4_spec,
+ ICE_FLOW_SEG_HDR_SCTP,
+ &perfect_filter);
+ break;
+ case IPV4_USER_FLOW:
+ ret = ice_set_fdir_ip4_usr_seg(seg, &fsp->m_u.usr_ip4_spec,
+ &perfect_filter);
+ break;
+ case TCP_V6_FLOW:
+ ret = ice_set_fdir_ip6_seg(seg, &fsp->m_u.tcp_ip6_spec,
+ ICE_FLOW_SEG_HDR_TCP,
+ &perfect_filter);
+ break;
+ case UDP_V6_FLOW:
+ ret = ice_set_fdir_ip6_seg(seg, &fsp->m_u.tcp_ip6_spec,
+ ICE_FLOW_SEG_HDR_UDP,
+ &perfect_filter);
+ break;
+ case SCTP_V6_FLOW:
+ ret = ice_set_fdir_ip6_seg(seg, &fsp->m_u.tcp_ip6_spec,
+ ICE_FLOW_SEG_HDR_SCTP,
+ &perfect_filter);
+ break;
+ case IPV6_USER_FLOW:
+ ret = ice_set_fdir_ip6_usr_seg(seg, &fsp->m_u.usr_ip6_spec,
+ &perfect_filter);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ if (ret)
+ goto err_exit;
+
+ /* tunnel segments are shifted up one. */
+ memcpy(&tun_seg[1], seg, sizeof(*seg));
+
+ if (user && user->flex_fltr) {
+ perfect_filter = false;
+ ice_flow_add_fld_raw(seg, user->flex_offset,
+ ICE_FLTR_PRGM_FLEX_WORD_SIZE,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL);
+ ice_flow_add_fld_raw(&tun_seg[1], user->flex_offset,
+ ICE_FLTR_PRGM_FLEX_WORD_SIZE,
+ ICE_FLOW_FLD_OFF_INVAL,
+ ICE_FLOW_FLD_OFF_INVAL);
+ }
+
+ /* add filter for outer headers */
+ fltr_idx = ice_ethtool_flow_to_fltr(fsp->flow_type & ~FLOW_EXT);
+ ret = ice_fdir_set_hw_fltr_rule(pf, seg, fltr_idx,
+ ICE_FD_HW_SEG_NON_TUN);
+ if (ret == -EEXIST)
+ /* Rule already exists, free memory and continue */
+ devm_kfree(dev, seg);
+ else if (ret)
+ /* could not write filter, free memory */
+ goto err_exit;
+
+ /* make tunneled filter HW entries if possible */
+ memcpy(&tun_seg[1], seg, sizeof(*seg));
+ ret = ice_fdir_set_hw_fltr_rule(pf, tun_seg, fltr_idx,
+ ICE_FD_HW_SEG_TUN);
+ if (ret == -EEXIST) {
+ /* Rule already exists, free memory and count as success */
+ devm_kfree(dev, tun_seg);
+ ret = 0;
+ } else if (ret) {
+ /* could not write tunnel filter, but outer filter exists */
+ devm_kfree(dev, tun_seg);
+ }
+
+ if (perfect_filter)
+ set_bit(fltr_idx, hw->fdir_perfect_fltr);
+ else
+ clear_bit(fltr_idx, hw->fdir_perfect_fltr);
+
+ return ret;
+
+err_exit:
+ devm_kfree(dev, tun_seg);
+ devm_kfree(dev, seg);
+
+ return -EOPNOTSUPP;
+}
+
+/**
+ * ice_fdir_write_fltr - send a flow director filter to the hardware
+ * @pf: PF data structure
+ * @input: filter structure
+ * @add: true adds filter and false removed filter
+ * @is_tun: true adds inner filter on tunnel and false outer headers
+ *
+ * returns 0 on success and negative value on error
+ */
+int
+ice_fdir_write_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input, bool add,
+ bool is_tun)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+ struct ice_hw *hw = &pf->hw;
+ struct ice_fltr_desc desc;
+ struct ice_vsi *ctrl_vsi;
+ enum ice_status status;
+ u8 *pkt, *frag_pkt;
+ bool has_frag;
+ int err;
+
+ ctrl_vsi = ice_get_ctrl_vsi(pf);
+ if (!ctrl_vsi)
+ return -EINVAL;
+
+ pkt = devm_kzalloc(dev, ICE_FDIR_MAX_RAW_PKT_SIZE, GFP_KERNEL);
+ if (!pkt)
+ return -ENOMEM;
+ frag_pkt = devm_kzalloc(dev, ICE_FDIR_MAX_RAW_PKT_SIZE, GFP_KERNEL);
+ if (!frag_pkt) {
+ err = -ENOMEM;
+ goto err_free;
+ }
+
+ ice_fdir_get_prgm_desc(hw, input, &desc, add);
+ status = ice_fdir_get_gen_prgm_pkt(hw, input, pkt, false, is_tun);
+ if (status) {
+ err = ice_status_to_errno(status);
+ goto err_free_all;
+ }
+ err = ice_prgm_fdir_fltr(ctrl_vsi, &desc, pkt);
+ if (err)
+ goto err_free_all;
+
+ /* repeat for fragment packet */
+ has_frag = ice_fdir_has_frag(input->flow_type);
+ if (has_frag) {
+ /* does not return error */
+ ice_fdir_get_prgm_desc(hw, input, &desc, add);
+ status = ice_fdir_get_gen_prgm_pkt(hw, input, frag_pkt, true,
+ is_tun);
+ if (status) {
+ err = ice_status_to_errno(status);
+ goto err_frag;
+ }
+ err = ice_prgm_fdir_fltr(ctrl_vsi, &desc, frag_pkt);
+ if (err)
+ goto err_frag;
+ } else {
+ devm_kfree(dev, frag_pkt);
+ }
+
+ return 0;
+
+err_free_all:
+ devm_kfree(dev, frag_pkt);
+err_free:
+ devm_kfree(dev, pkt);
+ return err;
+
+err_frag:
+ devm_kfree(dev, frag_pkt);
+ return err;
+}
+
+/**
+ * ice_fdir_write_all_fltr - send a flow director filter to the hardware
+ * @pf: PF data structure
+ * @input: filter structure
+ * @add: true adds filter and false removed filter
+ *
+ * returns 0 on success and negative value on error
+ */
+static int
+ice_fdir_write_all_fltr(struct ice_pf *pf, struct ice_fdir_fltr *input,
+ bool add)
+{
+ u16 port_num;
+ int tun;
+
+ for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
+ bool is_tun = tun == ICE_FD_HW_SEG_TUN;
+ int err;
+
+ if (is_tun && !ice_get_open_tunnel_port(&pf->hw, TNL_ALL,
+ &port_num))
+ continue;
+ err = ice_fdir_write_fltr(pf, input, add, is_tun);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+/**
+ * ice_fdir_replay_fltrs - replay filters from the HW filter list
+ * @pf: board private structure
+ */
+void ice_fdir_replay_fltrs(struct ice_pf *pf)
+{
+ struct ice_fdir_fltr *f_rule;
+ struct ice_hw *hw = &pf->hw;
+
+ list_for_each_entry(f_rule, &hw->fdir_list_head, fltr_node) {
+ int err = ice_fdir_write_all_fltr(pf, f_rule, true);
+
+ if (err)
+ dev_dbg(ice_pf_to_dev(pf), "Flow Director error %d, could not reprogram filter %d\n",
+ err, f_rule->fltr_id);
+ }
+}
+
+/**
+ * ice_fdir_create_dflt_rules - create default perfect filters
+ * @pf: PF data structure
+ *
+ * Returns 0 for success or error.
+ */
+int ice_fdir_create_dflt_rules(struct ice_pf *pf)
+{
+ int err;
+
+ /* Create perfect TCP and UDP rules in hardware. */
+ err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV4_TCP);
+ if (err)
+ return err;
+
+ err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV4_UDP);
+ if (err)
+ return err;
+
+ err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV6_TCP);
+ if (err)
+ return err;
+
+ err = ice_create_init_fdir_rule(pf, ICE_FLTR_PTYPE_NONF_IPV6_UDP);
+
+ return err;
+}
+
+/**
+ * ice_vsi_manage_fdir - turn on/off flow director
+ * @vsi: the VSI being changed
+ * @ena: boolean value indicating if this is an enable or disable request
+ */
+void ice_vsi_manage_fdir(struct ice_vsi *vsi, bool ena)
+{
+ struct ice_fdir_fltr *f_rule, *tmp;
+ struct ice_pf *pf = vsi->back;
+ struct ice_hw *hw = &pf->hw;
+ enum ice_fltr_ptype flow;
+
+ if (ena) {
+ set_bit(ICE_FLAG_FD_ENA, pf->flags);
+ ice_fdir_create_dflt_rules(pf);
+ return;
+ }
+
+ mutex_lock(&hw->fdir_fltr_lock);
+ if (!test_and_clear_bit(ICE_FLAG_FD_ENA, pf->flags))
+ goto release_lock;
+ list_for_each_entry_safe(f_rule, tmp, &hw->fdir_list_head, fltr_node) {
+ /* ignore return value */
+ ice_fdir_write_all_fltr(pf, f_rule, false);
+ ice_fdir_update_cntrs(hw, f_rule->flow_type, false);
+ list_del(&f_rule->fltr_node);
+ devm_kfree(ice_hw_to_dev(hw), f_rule);
+ }
+
+ if (hw->fdir_prof)
+ for (flow = ICE_FLTR_PTYPE_NONF_NONE; flow < ICE_FLTR_PTYPE_MAX;
+ flow++)
+ if (hw->fdir_prof[flow])
+ ice_fdir_rem_flow(hw, ICE_BLK_FD, flow);
+
+release_lock:
+ mutex_unlock(&hw->fdir_fltr_lock);
+}
+
+/**
+ * ice_fdir_do_rem_flow - delete flow and possibly add perfect flow
+ * @pf: PF structure
+ * @flow_type: FDir flow type to release
+ */
+static void
+ice_fdir_do_rem_flow(struct ice_pf *pf, enum ice_fltr_ptype flow_type)
+{
+ struct ice_hw *hw = &pf->hw;
+ bool need_perfect = false;
+
+ if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV6_TCP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP)
+ need_perfect = true;
+
+ if (need_perfect && test_bit(flow_type, hw->fdir_perfect_fltr))
+ return;
+
+ ice_fdir_rem_flow(hw, ICE_BLK_FD, flow_type);
+ if (need_perfect)
+ ice_create_init_fdir_rule(pf, flow_type);
+}
+
+/**
+ * ice_fdir_update_list_entry - add or delete a filter from the filter list
+ * @pf: PF structure
+ * @input: filter structure
+ * @fltr_idx: ethtool index of filter to modify
+ *
+ * returns 0 on success and negative on errors
+ */
+static int
+ice_fdir_update_list_entry(struct ice_pf *pf, struct ice_fdir_fltr *input,
+ int fltr_idx)
+{
+ struct ice_fdir_fltr *old_fltr;
+ struct ice_hw *hw = &pf->hw;
+ int err = -ENOENT;
+
+ /* Do not update filters during reset */
+ if (ice_is_reset_in_progress(pf->state))
+ return -EBUSY;
+
+ old_fltr = ice_fdir_find_fltr_by_idx(hw, fltr_idx);
+ if (old_fltr) {
+ err = ice_fdir_write_all_fltr(pf, old_fltr, false);
+ if (err)
+ return err;
+ ice_fdir_update_cntrs(hw, old_fltr->flow_type, false);
+ if (!input && !hw->fdir_fltr_cnt[old_fltr->flow_type])
+ /* we just deleted the last filter of flow_type so we
+ * should also delete the HW filter info.
+ */
+ ice_fdir_do_rem_flow(pf, old_fltr->flow_type);
+ list_del(&old_fltr->fltr_node);
+ devm_kfree(ice_hw_to_dev(hw), old_fltr);
+ }
+ if (!input)
+ return err;
+ ice_fdir_list_add_fltr(hw, input);
+ ice_fdir_update_cntrs(hw, input->flow_type, true);
+ return 0;
+}
+
+/**
+ * ice_del_fdir_ethtool - delete Flow Director filter
+ * @vsi: pointer to target VSI
+ * @cmd: command to add or delete Flow Director filter
+ *
+ * Returns 0 on success and negative values for failure
+ */
+int ice_del_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
+ struct ice_pf *pf = vsi->back;
+ struct ice_hw *hw = &pf->hw;
+ int val;
+
+ if (!test_bit(ICE_FLAG_FD_ENA, pf->flags))
+ return -EOPNOTSUPP;
+
+ /* Do not delete filters during reset */
+ if (ice_is_reset_in_progress(pf->state)) {
+ dev_err(ice_pf_to_dev(pf), "Device is resetting - deleting Flow Director filters not supported during reset\n");
+ return -EBUSY;
+ }
+
+ if (test_bit(__ICE_FD_FLUSH_REQ, pf->state))
+ return -EBUSY;
+
+ mutex_lock(&hw->fdir_fltr_lock);
+ val = ice_fdir_update_list_entry(pf, NULL, fsp->location);
+ mutex_unlock(&hw->fdir_fltr_lock);
+
+ return val;
+}
+
+/**
+ * ice_set_fdir_input_set - Set the input set for Flow Director
+ * @vsi: pointer to target VSI
+ * @fsp: pointer to ethtool Rx flow specification
+ * @input: filter structure
+ */
+static int
+ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
+ struct ice_fdir_fltr *input)
+{
+ u16 dest_vsi, q_index = 0;
+ struct ice_pf *pf;
+ struct ice_hw *hw;
+ int flow_type;
+ u8 dest_ctl;
+
+ if (!vsi || !fsp || !input)
+ return -EINVAL;
+
+ pf = vsi->back;
+ hw = &pf->hw;
+
+ dest_vsi = vsi->idx;
+ if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
+ dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DROP_PKT;
+ } else {
+ u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
+ u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
+
+ if (vf) {
+ dev_err(ice_pf_to_dev(pf), "Failed to add filter. Flow director filters are not supported on VF queues.\n");
+ return -EINVAL;
+ }
+
+ if (ring >= vsi->num_rxq)
+ return -EINVAL;
+
+ dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
+ q_index = ring;
+ }
+
+ input->fltr_id = fsp->location;
+ input->q_index = q_index;
+ flow_type = fsp->flow_type & ~FLOW_EXT;
+
+ input->dest_vsi = dest_vsi;
+ input->dest_ctl = dest_ctl;
+ input->fltr_status = ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID;
+ input->cnt_index = ICE_FD_SB_STAT_IDX(hw->fd_ctr_base);
+ input->flow_type = ice_ethtool_flow_to_fltr(flow_type);
+
+ if (fsp->flow_type & FLOW_EXT) {
+ memcpy(input->ext_data.usr_def, fsp->h_ext.data,
+ sizeof(input->ext_data.usr_def));
+ input->ext_data.vlan_type = fsp->h_ext.vlan_etype;
+ input->ext_data.vlan_tag = fsp->h_ext.vlan_tci;
+ memcpy(input->ext_mask.usr_def, fsp->m_ext.data,
+ sizeof(input->ext_mask.usr_def));
+ input->ext_mask.vlan_type = fsp->m_ext.vlan_etype;
+ input->ext_mask.vlan_tag = fsp->m_ext.vlan_tci;
+ }
+
+ switch (flow_type) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ input->ip.v4.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
+ input->ip.v4.src_port = fsp->h_u.tcp_ip4_spec.psrc;
+ input->ip.v4.dst_ip = fsp->h_u.tcp_ip4_spec.ip4dst;
+ input->ip.v4.src_ip = fsp->h_u.tcp_ip4_spec.ip4src;
+ input->mask.v4.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
+ input->mask.v4.src_port = fsp->m_u.tcp_ip4_spec.psrc;
+ input->mask.v4.dst_ip = fsp->m_u.tcp_ip4_spec.ip4dst;
+ input->mask.v4.src_ip = fsp->m_u.tcp_ip4_spec.ip4src;
+ break;
+ case IPV4_USER_FLOW:
+ input->ip.v4.dst_ip = fsp->h_u.usr_ip4_spec.ip4dst;
+ input->ip.v4.src_ip = fsp->h_u.usr_ip4_spec.ip4src;
+ input->ip.v4.l4_header = fsp->h_u.usr_ip4_spec.l4_4_bytes;
+ input->ip.v4.proto = fsp->h_u.usr_ip4_spec.proto;
+ input->ip.v4.ip_ver = fsp->h_u.usr_ip4_spec.ip_ver;
+ input->ip.v4.tos = fsp->h_u.usr_ip4_spec.tos;
+ input->mask.v4.dst_ip = fsp->m_u.usr_ip4_spec.ip4dst;
+ input->mask.v4.src_ip = fsp->m_u.usr_ip4_spec.ip4src;
+ input->mask.v4.l4_header = fsp->m_u.usr_ip4_spec.l4_4_bytes;
+ input->mask.v4.proto = fsp->m_u.usr_ip4_spec.proto;
+ input->mask.v4.ip_ver = fsp->m_u.usr_ip4_spec.ip_ver;
+ input->mask.v4.tos = fsp->m_u.usr_ip4_spec.tos;
+ break;
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ memcpy(input->ip.v6.dst_ip, fsp->h_u.usr_ip6_spec.ip6dst,
+ sizeof(struct in6_addr));
+ memcpy(input->ip.v6.src_ip, fsp->h_u.usr_ip6_spec.ip6src,
+ sizeof(struct in6_addr));
+ input->ip.v6.dst_port = fsp->h_u.tcp_ip6_spec.pdst;
+ input->ip.v6.src_port = fsp->h_u.tcp_ip6_spec.psrc;
+ input->ip.v6.tc = fsp->h_u.tcp_ip6_spec.tclass;
+ memcpy(input->mask.v6.dst_ip, fsp->m_u.tcp_ip6_spec.ip6dst,
+ sizeof(struct in6_addr));
+ memcpy(input->mask.v6.src_ip, fsp->m_u.tcp_ip6_spec.ip6src,
+ sizeof(struct in6_addr));
+ input->mask.v6.dst_port = fsp->m_u.tcp_ip6_spec.pdst;
+ input->mask.v6.src_port = fsp->m_u.tcp_ip6_spec.psrc;
+ input->mask.v6.tc = fsp->m_u.tcp_ip6_spec.tclass;
+ break;
+ case IPV6_USER_FLOW:
+ memcpy(input->ip.v6.dst_ip, fsp->h_u.usr_ip6_spec.ip6dst,
+ sizeof(struct in6_addr));
+ memcpy(input->ip.v6.src_ip, fsp->h_u.usr_ip6_spec.ip6src,
+ sizeof(struct in6_addr));
+ input->ip.v6.l4_header = fsp->h_u.usr_ip6_spec.l4_4_bytes;
+ input->ip.v6.tc = fsp->h_u.usr_ip6_spec.tclass;
+ input->ip.v6.proto = fsp->h_u.usr_ip6_spec.l4_proto;
+ memcpy(input->mask.v6.dst_ip, fsp->m_u.usr_ip6_spec.ip6dst,
+ sizeof(struct in6_addr));
+ memcpy(input->mask.v6.src_ip, fsp->m_u.usr_ip6_spec.ip6src,
+ sizeof(struct in6_addr));
+ input->mask.v6.l4_header = fsp->m_u.usr_ip6_spec.l4_4_bytes;
+ input->mask.v6.tc = fsp->m_u.usr_ip6_spec.tclass;
+ input->mask.v6.proto = fsp->m_u.usr_ip6_spec.l4_proto;
+ break;
+ default:
+ /* not doing un-parsed flow types */
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_add_fdir_ethtool - Add/Remove Flow Director filter
+ * @vsi: pointer to target VSI
+ * @cmd: command to add or delete Flow Director filter
+ *
+ * Returns 0 on success and negative values for failure
+ */
+int ice_add_fdir_ethtool(struct ice_vsi *vsi, struct ethtool_rxnfc *cmd)
+{
+ struct ice_rx_flow_userdef userdata;
+ struct ethtool_rx_flow_spec *fsp;
+ struct ice_fdir_fltr *input;
+ struct device *dev;
+ struct ice_pf *pf;
+ struct ice_hw *hw;
+ int fltrs_needed;
+ u16 tunnel_port;
+ int ret;
+
+ if (!vsi)
+ return -EINVAL;
+
+ pf = vsi->back;
+ hw = &pf->hw;
+ dev = ice_pf_to_dev(pf);
+
+ if (!test_bit(ICE_FLAG_FD_ENA, pf->flags))
+ return -EOPNOTSUPP;
+
+ /* Do not program filters during reset */
+ if (ice_is_reset_in_progress(pf->state)) {
+ dev_err(dev, "Device is resetting - adding Flow Director filters not supported during reset\n");
+ return -EBUSY;
+ }
+
+ fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
+
+ if (ice_parse_rx_flow_user_data(fsp, &userdata))
+ return -EINVAL;
+
+ if (fsp->flow_type & FLOW_MAC_EXT)
+ return -EINVAL;
+
+ ret = ice_cfg_fdir_xtrct_seq(pf, fsp, &userdata);
+ if (ret)
+ return ret;
+
+ if (fsp->location >= ice_get_fdir_cnt_all(hw)) {
+ dev_err(dev, "Failed to add filter. The maximum number of flow director filters has been reached.\n");
+ return -ENOSPC;
+ }
+
+ /* return error if not an update and no available filters */
+ fltrs_needed = ice_get_open_tunnel_port(hw, TNL_ALL, &tunnel_port) ?
+ 2 : 1;
+ if (!ice_fdir_find_fltr_by_idx(hw, fsp->location) &&
+ ice_fdir_num_avail_fltr(hw, pf->vsi[vsi->idx]) < fltrs_needed) {
+ dev_err(dev, "Failed to add filter. The maximum number of flow director filters has been reached.\n");
+ return -ENOSPC;
+ }
+
+ input = devm_kzalloc(dev, sizeof(*input), GFP_KERNEL);
+ if (!input)
+ return -ENOMEM;
+
+ ret = ice_set_fdir_input_set(vsi, fsp, input);
+ if (ret)
+ goto free_input;
+
+ mutex_lock(&hw->fdir_fltr_lock);
+ if (ice_fdir_is_dup_fltr(hw, input)) {
+ ret = -EINVAL;
+ goto release_lock;
+ }
+
+ if (userdata.flex_fltr) {
+ input->flex_fltr = true;
+ input->flex_word = cpu_to_be16(userdata.flex_word);
+ input->flex_offset = userdata.flex_offset;
+ }
+
+ /* input struct is added to the HW filter list */
+ ice_fdir_update_list_entry(pf, input, fsp->location);
+
+ ret = ice_fdir_write_all_fltr(pf, input, true);
+ if (ret)
+ goto remove_sw_rule;
+
+ goto release_lock;
+
+remove_sw_rule:
+ ice_fdir_update_cntrs(hw, input->flow_type, false);
+ list_del(&input->fltr_node);
+release_lock:
+ mutex_unlock(&hw->fdir_fltr_lock);
+free_input:
+ if (ret)
+ devm_kfree(dev, input);
+
+ return ret;
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.c b/drivers/net/ethernet/intel/ice/ice_fdir.c
new file mode 100644
index 000000000000..6834df14332f
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_fdir.c
@@ -0,0 +1,840 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#include "ice_common.h"
+
+/* These are training packet headers used to program flow director filters. */
+static const u8 ice_fdir_tcpv4_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x28, 0x00, 0x01, 0x00, 0x00, 0x40, 0x06,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x00,
+ 0x20, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+static const u8 ice_fdir_udpv4_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x1C, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+};
+
+static const u8 ice_fdir_sctpv4_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x20, 0x00, 0x00, 0x40, 0x00, 0x40, 0x84,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_ipv4_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x14, 0x00, 0x00, 0x40, 0x00, 0x40, 0x10,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00
+};
+
+static const u8 ice_fdir_tcpv6_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
+ 0x00, 0x00, 0x00, 0x14, 0x06, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x50, 0x00, 0x20, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+};
+
+static const u8 ice_fdir_udpv6_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
+ 0x00, 0x00, 0x00, 0x08, 0x11, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x08, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_sctpv6_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
+ 0x00, 0x00, 0x00, 0x0C, 0x84, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00,
+};
+
+static const u8 ice_fdir_ipv6_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x86, 0xDD, 0x60, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x3B, 0x40, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_tcp4_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+ 0x45, 0x00, 0x00, 0x28, 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x50, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_udp4_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x4e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+ 0x45, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x40, 0x00,
+ 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_sctp4_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x52, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+ 0x45, 0x00, 0x00, 0x20, 0x00, 0x01, 0x00, 0x00,
+ 0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_ip4_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x46, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00,
+ 0x45, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00,
+ 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_tcp6_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x6e, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x14, 0x06, 0x40,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x50, 0x00, 0x20, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_udp6_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x62, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x08, 0x11, 0x40,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_sctp6_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x66, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x84, 0x40,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 ice_fdir_ip6_tun_pkt[] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x45, 0x00,
+ 0x00, 0x5a, 0x00, 0x00, 0x40, 0x00, 0x40, 0x11,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x04, 0x00, 0x00, 0x03, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86, 0xdd,
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3b, 0x40,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+/* Flow Director no-op training packet table */
+static const struct ice_fdir_base_pkt ice_fdir_pkt[] = {
+ {
+ ICE_FLTR_PTYPE_NONF_IPV4_TCP,
+ sizeof(ice_fdir_tcpv4_pkt), ice_fdir_tcpv4_pkt,
+ sizeof(ice_fdir_tcp4_tun_pkt), ice_fdir_tcp4_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV4_UDP,
+ sizeof(ice_fdir_udpv4_pkt), ice_fdir_udpv4_pkt,
+ sizeof(ice_fdir_udp4_tun_pkt), ice_fdir_udp4_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV4_SCTP,
+ sizeof(ice_fdir_sctpv4_pkt), ice_fdir_sctpv4_pkt,
+ sizeof(ice_fdir_sctp4_tun_pkt), ice_fdir_sctp4_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV4_OTHER,
+ sizeof(ice_fdir_ipv4_pkt), ice_fdir_ipv4_pkt,
+ sizeof(ice_fdir_ip4_tun_pkt), ice_fdir_ip4_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV6_TCP,
+ sizeof(ice_fdir_tcpv6_pkt), ice_fdir_tcpv6_pkt,
+ sizeof(ice_fdir_tcp6_tun_pkt), ice_fdir_tcp6_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV6_UDP,
+ sizeof(ice_fdir_udpv6_pkt), ice_fdir_udpv6_pkt,
+ sizeof(ice_fdir_udp6_tun_pkt), ice_fdir_udp6_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV6_SCTP,
+ sizeof(ice_fdir_sctpv6_pkt), ice_fdir_sctpv6_pkt,
+ sizeof(ice_fdir_sctp6_tun_pkt), ice_fdir_sctp6_tun_pkt,
+ },
+ {
+ ICE_FLTR_PTYPE_NONF_IPV6_OTHER,
+ sizeof(ice_fdir_ipv6_pkt), ice_fdir_ipv6_pkt,
+ sizeof(ice_fdir_ip6_tun_pkt), ice_fdir_ip6_tun_pkt,
+ },
+};
+
+#define ICE_FDIR_NUM_PKT ARRAY_SIZE(ice_fdir_pkt)
+
+/**
+ * ice_set_dflt_val_fd_desc
+ * @fd_fltr_ctx: pointer to fd filter descriptor
+ */
+static void ice_set_dflt_val_fd_desc(struct ice_fd_fltr_desc_ctx *fd_fltr_ctx)
+{
+ fd_fltr_ctx->comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
+ fd_fltr_ctx->comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
+ fd_fltr_ctx->fd_space = ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST;
+ fd_fltr_ctx->cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
+ fd_fltr_ctx->evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE;
+ fd_fltr_ctx->toq = ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX;
+ fd_fltr_ctx->toq_prio = ICE_FXD_FLTR_QW0_TO_Q_PRIO1;
+ fd_fltr_ctx->dpu_recipe = ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT;
+ fd_fltr_ctx->drop = ICE_FXD_FLTR_QW0_DROP_NO;
+ fd_fltr_ctx->flex_prio = ICE_FXD_FLTR_QW0_FLEX_PRI_NONE;
+ fd_fltr_ctx->flex_mdid = ICE_FXD_FLTR_QW0_FLEX_MDID0;
+ fd_fltr_ctx->flex_val = ICE_FXD_FLTR_QW0_FLEX_VAL0;
+ fd_fltr_ctx->dtype = ICE_TX_DESC_DTYPE_FLTR_PROG;
+ fd_fltr_ctx->desc_prof_prio = ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO;
+ fd_fltr_ctx->desc_prof = ICE_FXD_FLTR_QW1_PROF_ZERO;
+ fd_fltr_ctx->swap = ICE_FXD_FLTR_QW1_SWAP_SET;
+ fd_fltr_ctx->fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_ONE;
+ fd_fltr_ctx->fdid_mdid = ICE_FXD_FLTR_QW1_FDID_MDID_FD;
+ fd_fltr_ctx->fdid = ICE_FXD_FLTR_QW1_FDID_ZERO;
+}
+
+/**
+ * ice_set_fd_desc_val
+ * @ctx: pointer to fd filter descriptor context
+ * @fdir_desc: populated with fd filter descriptor values
+ */
+static void
+ice_set_fd_desc_val(struct ice_fd_fltr_desc_ctx *ctx,
+ struct ice_fltr_desc *fdir_desc)
+{
+ u64 qword;
+
+ /* prep QW0 of FD filter programming desc */
+ qword = ((u64)ctx->qindex << ICE_FXD_FLTR_QW0_QINDEX_S) &
+ ICE_FXD_FLTR_QW0_QINDEX_M;
+ qword |= ((u64)ctx->comp_q << ICE_FXD_FLTR_QW0_COMP_Q_S) &
+ ICE_FXD_FLTR_QW0_COMP_Q_M;
+ qword |= ((u64)ctx->comp_report << ICE_FXD_FLTR_QW0_COMP_REPORT_S) &
+ ICE_FXD_FLTR_QW0_COMP_REPORT_M;
+ qword |= ((u64)ctx->fd_space << ICE_FXD_FLTR_QW0_FD_SPACE_S) &
+ ICE_FXD_FLTR_QW0_FD_SPACE_M;
+ qword |= ((u64)ctx->cnt_index << ICE_FXD_FLTR_QW0_STAT_CNT_S) &
+ ICE_FXD_FLTR_QW0_STAT_CNT_M;
+ qword |= ((u64)ctx->cnt_ena << ICE_FXD_FLTR_QW0_STAT_ENA_S) &
+ ICE_FXD_FLTR_QW0_STAT_ENA_M;
+ qword |= ((u64)ctx->evict_ena << ICE_FXD_FLTR_QW0_EVICT_ENA_S) &
+ ICE_FXD_FLTR_QW0_EVICT_ENA_M;
+ qword |= ((u64)ctx->toq << ICE_FXD_FLTR_QW0_TO_Q_S) &
+ ICE_FXD_FLTR_QW0_TO_Q_M;
+ qword |= ((u64)ctx->toq_prio << ICE_FXD_FLTR_QW0_TO_Q_PRI_S) &
+ ICE_FXD_FLTR_QW0_TO_Q_PRI_M;
+ qword |= ((u64)ctx->dpu_recipe << ICE_FXD_FLTR_QW0_DPU_RECIPE_S) &
+ ICE_FXD_FLTR_QW0_DPU_RECIPE_M;
+ qword |= ((u64)ctx->drop << ICE_FXD_FLTR_QW0_DROP_S) &
+ ICE_FXD_FLTR_QW0_DROP_M;
+ qword |= ((u64)ctx->flex_prio << ICE_FXD_FLTR_QW0_FLEX_PRI_S) &
+ ICE_FXD_FLTR_QW0_FLEX_PRI_M;
+ qword |= ((u64)ctx->flex_mdid << ICE_FXD_FLTR_QW0_FLEX_MDID_S) &
+ ICE_FXD_FLTR_QW0_FLEX_MDID_M;
+ qword |= ((u64)ctx->flex_val << ICE_FXD_FLTR_QW0_FLEX_VAL_S) &
+ ICE_FXD_FLTR_QW0_FLEX_VAL_M;
+ fdir_desc->qidx_compq_space_stat = cpu_to_le64(qword);
+
+ /* prep QW1 of FD filter programming desc */
+ qword = ((u64)ctx->dtype << ICE_FXD_FLTR_QW1_DTYPE_S) &
+ ICE_FXD_FLTR_QW1_DTYPE_M;
+ qword |= ((u64)ctx->pcmd << ICE_FXD_FLTR_QW1_PCMD_S) &
+ ICE_FXD_FLTR_QW1_PCMD_M;
+ qword |= ((u64)ctx->desc_prof_prio << ICE_FXD_FLTR_QW1_PROF_PRI_S) &
+ ICE_FXD_FLTR_QW1_PROF_PRI_M;
+ qword |= ((u64)ctx->desc_prof << ICE_FXD_FLTR_QW1_PROF_S) &
+ ICE_FXD_FLTR_QW1_PROF_M;
+ qword |= ((u64)ctx->fd_vsi << ICE_FXD_FLTR_QW1_FD_VSI_S) &
+ ICE_FXD_FLTR_QW1_FD_VSI_M;
+ qword |= ((u64)ctx->swap << ICE_FXD_FLTR_QW1_SWAP_S) &
+ ICE_FXD_FLTR_QW1_SWAP_M;
+ qword |= ((u64)ctx->fdid_prio << ICE_FXD_FLTR_QW1_FDID_PRI_S) &
+ ICE_FXD_FLTR_QW1_FDID_PRI_M;
+ qword |= ((u64)ctx->fdid_mdid << ICE_FXD_FLTR_QW1_FDID_MDID_S) &
+ ICE_FXD_FLTR_QW1_FDID_MDID_M;
+ qword |= ((u64)ctx->fdid << ICE_FXD_FLTR_QW1_FDID_S) &
+ ICE_FXD_FLTR_QW1_FDID_M;
+ fdir_desc->dtype_cmd_vsi_fdid = cpu_to_le64(qword);
+}
+
+/**
+ * ice_fdir_get_prgm_desc - set a fdir descriptor from a fdir filter struct
+ * @hw: pointer to the hardware structure
+ * @input: filter
+ * @fdesc: filter descriptor
+ * @add: if add is true, this is an add operation, false implies delete
+ */
+void
+ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ struct ice_fltr_desc *fdesc, bool add)
+{
+ struct ice_fd_fltr_desc_ctx fdir_fltr_ctx = { 0 };
+
+ /* set default context info */
+ ice_set_dflt_val_fd_desc(&fdir_fltr_ctx);
+
+ /* change sideband filtering values */
+ fdir_fltr_ctx.fdid = input->fltr_id;
+ if (input->dest_ctl == ICE_FLTR_PRGM_DESC_DEST_DROP_PKT) {
+ fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_YES;
+ fdir_fltr_ctx.qindex = 0;
+ } else {
+ fdir_fltr_ctx.drop = ICE_FXD_FLTR_QW0_DROP_NO;
+ fdir_fltr_ctx.qindex = input->q_index;
+ }
+ fdir_fltr_ctx.cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
+ fdir_fltr_ctx.cnt_index = input->cnt_index;
+ fdir_fltr_ctx.fd_vsi = ice_get_hw_vsi_num(hw, input->dest_vsi);
+ fdir_fltr_ctx.evict_ena = ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE;
+ fdir_fltr_ctx.toq_prio = 3;
+ fdir_fltr_ctx.pcmd = add ? ICE_FXD_FLTR_QW1_PCMD_ADD :
+ ICE_FXD_FLTR_QW1_PCMD_REMOVE;
+ fdir_fltr_ctx.swap = ICE_FXD_FLTR_QW1_SWAP_NOT_SET;
+ fdir_fltr_ctx.comp_q = ICE_FXD_FLTR_QW0_COMP_Q_ZERO;
+ fdir_fltr_ctx.comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL;
+ fdir_fltr_ctx.fdid_prio = 3;
+ fdir_fltr_ctx.desc_prof = 1;
+ fdir_fltr_ctx.desc_prof_prio = 3;
+ ice_set_fd_desc_val(&fdir_fltr_ctx, fdesc);
+}
+
+/**
+ * ice_alloc_fd_res_cntr - obtain counter resource for FD type
+ * @hw: pointer to the hardware structure
+ * @cntr_id: returns counter index
+ */
+enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id)
+{
+ return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
+ ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
+}
+
+/**
+ * ice_free_fd_res_cntr - Free counter resource for FD type
+ * @hw: pointer to the hardware structure
+ * @cntr_id: counter index to be freed
+ */
+enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id)
+{
+ return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_COUNTER_BLOCK,
+ ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1, cntr_id);
+}
+
+/**
+ * ice_alloc_fd_guar_item - allocate resource for FD guaranteed entries
+ * @hw: pointer to the hardware structure
+ * @cntr_id: returns counter index
+ * @num_fltr: number of filter entries to be allocated
+ */
+enum ice_status
+ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
+{
+ return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_GUARANTEED_ENTRIES,
+ ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
+ cntr_id);
+}
+
+/**
+ * ice_alloc_fd_shrd_item - allocate resource for flow director shared entries
+ * @hw: pointer to the hardware structure
+ * @cntr_id: returns counter index
+ * @num_fltr: number of filter entries to be allocated
+ */
+enum ice_status
+ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
+{
+ return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_FDIR_SHARED_ENTRIES,
+ ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
+ cntr_id);
+}
+
+/**
+ * ice_get_fdir_cnt_all - get the number of Flow Director filters
+ * @hw: hardware data structure
+ *
+ * Returns the number of filters available on device
+ */
+int ice_get_fdir_cnt_all(struct ice_hw *hw)
+{
+ return hw->func_caps.fd_fltr_guar + hw->func_caps.fd_fltr_best_effort;
+}
+
+/**
+ * ice_pkt_insert_ipv6_addr - insert a be32 IPv6 address into a memory buffer
+ * @pkt: packet buffer
+ * @offset: offset into buffer
+ * @addr: IPv6 address to convert and insert into pkt at offset
+ */
+static void ice_pkt_insert_ipv6_addr(u8 *pkt, int offset, __be32 *addr)
+{
+ int idx;
+
+ for (idx = 0; idx < ICE_IPV6_ADDR_LEN_AS_U32; idx++)
+ memcpy(pkt + offset + idx * sizeof(*addr), &addr[idx],
+ sizeof(*addr));
+}
+
+/**
+ * ice_pkt_insert_u16 - insert a be16 value into a memory buffer
+ * @pkt: packet buffer
+ * @offset: offset into buffer
+ * @data: 16 bit value to convert and insert into pkt at offset
+ */
+static void ice_pkt_insert_u16(u8 *pkt, int offset, __be16 data)
+{
+ memcpy(pkt + offset, &data, sizeof(data));
+}
+
+/**
+ * ice_pkt_insert_u32 - insert a be32 value into a memory buffer
+ * @pkt: packet buffer
+ * @offset: offset into buffer
+ * @data: 32 bit value to convert and insert into pkt at offset
+ */
+static void ice_pkt_insert_u32(u8 *pkt, int offset, __be32 data)
+{
+ memcpy(pkt + offset, &data, sizeof(data));
+}
+
+/**
+ * ice_fdir_get_gen_prgm_pkt - generate a training packet
+ * @hw: pointer to the hardware structure
+ * @input: flow director filter data structure
+ * @pkt: pointer to return filter packet
+ * @frag: generate a fragment packet
+ * @tun: true implies generate a tunnel packet
+ */
+enum ice_status
+ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ u8 *pkt, bool frag, bool tun)
+{
+ enum ice_fltr_ptype flow;
+ u16 tnl_port;
+ u8 *loc;
+ u16 idx;
+
+ if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
+ switch (input->ip.v4.proto) {
+ case IPPROTO_TCP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
+ break;
+ case IPPROTO_UDP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
+ break;
+ case IPPROTO_SCTP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
+ break;
+ case IPPROTO_IP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
+ break;
+ default:
+ return ICE_ERR_PARAM;
+ }
+ } else if (input->flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
+ switch (input->ip.v6.proto) {
+ case IPPROTO_TCP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
+ break;
+ case IPPROTO_UDP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
+ break;
+ case IPPROTO_SCTP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
+ break;
+ case IPPROTO_IP:
+ flow = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
+ break;
+ default:
+ return ICE_ERR_PARAM;
+ }
+ } else {
+ flow = input->flow_type;
+ }
+
+ for (idx = 0; idx < ICE_FDIR_NUM_PKT; idx++)
+ if (ice_fdir_pkt[idx].flow == flow)
+ break;
+ if (idx == ICE_FDIR_NUM_PKT)
+ return ICE_ERR_PARAM;
+ if (!tun) {
+ memcpy(pkt, ice_fdir_pkt[idx].pkt, ice_fdir_pkt[idx].pkt_len);
+ loc = pkt;
+ } else {
+ if (!ice_get_open_tunnel_port(hw, TNL_ALL, &tnl_port))
+ return ICE_ERR_DOES_NOT_EXIST;
+ if (!ice_fdir_pkt[idx].tun_pkt)
+ return ICE_ERR_PARAM;
+ memcpy(pkt, ice_fdir_pkt[idx].tun_pkt,
+ ice_fdir_pkt[idx].tun_pkt_len);
+ ice_pkt_insert_u16(pkt, ICE_IPV4_UDP_DST_PORT_OFFSET,
+ htons(tnl_port));
+ loc = &pkt[ICE_FDIR_TUN_PKT_OFF];
+ }
+
+ /* Reverse the src and dst, since the HW expects them to be from Tx
+ * perspective. The input from user is from Rx filter perspective.
+ */
+ switch (flow) {
+ case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
+ ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
+ input->ip.v4.src_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_TCP_DST_PORT_OFFSET,
+ input->ip.v4.src_port);
+ ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
+ input->ip.v4.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_TCP_SRC_PORT_OFFSET,
+ input->ip.v4.dst_port);
+ if (frag)
+ loc[20] = ICE_FDIR_IPV4_PKT_FLAG_DF;
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
+ ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
+ input->ip.v4.src_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_UDP_DST_PORT_OFFSET,
+ input->ip.v4.src_port);
+ ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
+ input->ip.v4.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_UDP_SRC_PORT_OFFSET,
+ input->ip.v4.dst_port);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
+ ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
+ input->ip.v4.src_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_DST_PORT_OFFSET,
+ input->ip.v4.src_port);
+ ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
+ input->ip.v4.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_SCTP_SRC_PORT_OFFSET,
+ input->ip.v4.dst_port);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
+ ice_pkt_insert_u32(loc, ICE_IPV4_DST_ADDR_OFFSET,
+ input->ip.v4.src_ip);
+ ice_pkt_insert_u32(loc, ICE_IPV4_SRC_ADDR_OFFSET,
+ input->ip.v4.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV4_PROTO_OFFSET, 0);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
+ input->ip.v6.src_ip);
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
+ input->ip.v6.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV6_TCP_DST_PORT_OFFSET,
+ input->ip.v6.src_port);
+ ice_pkt_insert_u16(loc, ICE_IPV6_TCP_SRC_PORT_OFFSET,
+ input->ip.v6.dst_port);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
+ input->ip.v6.src_ip);
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
+ input->ip.v6.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV6_UDP_DST_PORT_OFFSET,
+ input->ip.v6.src_port);
+ ice_pkt_insert_u16(loc, ICE_IPV6_UDP_SRC_PORT_OFFSET,
+ input->ip.v6.dst_port);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
+ input->ip.v6.src_ip);
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
+ input->ip.v6.dst_ip);
+ ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_DST_PORT_OFFSET,
+ input->ip.v6.src_port);
+ ice_pkt_insert_u16(loc, ICE_IPV6_SCTP_SRC_PORT_OFFSET,
+ input->ip.v6.dst_port);
+ break;
+ case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_DST_ADDR_OFFSET,
+ input->ip.v6.src_ip);
+ ice_pkt_insert_ipv6_addr(loc, ICE_IPV6_SRC_ADDR_OFFSET,
+ input->ip.v6.dst_ip);
+ break;
+ default:
+ return ICE_ERR_PARAM;
+ }
+
+ if (input->flex_fltr)
+ ice_pkt_insert_u16(loc, input->flex_offset, input->flex_word);
+
+ return 0;
+}
+
+/**
+ * ice_fdir_has_frag - does flow type have 2 ptypes
+ * @flow: flow ptype
+ *
+ * returns true is there is a fragment packet for this ptype
+ */
+bool ice_fdir_has_frag(enum ice_fltr_ptype flow)
+{
+ if (flow == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
+ return true;
+ else
+ return false;
+}
+
+/**
+ * ice_fdir_find_by_idx - find filter with idx
+ * @hw: pointer to hardware structure
+ * @fltr_idx: index to find.
+ *
+ * Returns pointer to filter if found or null
+ */
+struct ice_fdir_fltr *
+ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx)
+{
+ struct ice_fdir_fltr *rule;
+
+ list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
+ /* rule ID found in the list */
+ if (fltr_idx == rule->fltr_id)
+ return rule;
+ if (fltr_idx < rule->fltr_id)
+ break;
+ }
+ return NULL;
+}
+
+/**
+ * ice_fdir_list_add_fltr - add a new node to the flow director filter list
+ * @hw: hardware structure
+ * @fltr: filter node to add to structure
+ */
+void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *fltr)
+{
+ struct ice_fdir_fltr *rule, *parent = NULL;
+
+ list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
+ /* rule ID found or pass its spot in the list */
+ if (rule->fltr_id >= fltr->fltr_id)
+ break;
+ parent = rule;
+ }
+
+ if (parent)
+ list_add(&fltr->fltr_node, &parent->fltr_node);
+ else
+ list_add(&fltr->fltr_node, &hw->fdir_list_head);
+}
+
+/**
+ * ice_fdir_update_cntrs - increment / decrement filter counter
+ * @hw: pointer to hardware structure
+ * @flow: filter flow type
+ * @add: true implies filters added
+ */
+void
+ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add)
+{
+ int incr;
+
+ incr = add ? 1 : -1;
+ hw->fdir_active_fltr += incr;
+
+ if (flow == ICE_FLTR_PTYPE_NONF_NONE || flow >= ICE_FLTR_PTYPE_MAX)
+ ice_debug(hw, ICE_DBG_SW, "Unknown filter type %d\n", flow);
+ else
+ hw->fdir_fltr_cnt[flow] += incr;
+}
+
+/**
+ * ice_cmp_ipv6_addr - compare 2 IP v6 addresses
+ * @a: IP v6 address
+ * @b: IP v6 address
+ *
+ * Returns 0 on equal, returns non-0 if different
+ */
+static int ice_cmp_ipv6_addr(__be32 *a, __be32 *b)
+{
+ return memcmp(a, b, 4 * sizeof(__be32));
+}
+
+/**
+ * ice_fdir_comp_rules - compare 2 filters
+ * @a: a Flow Director filter data structure
+ * @b: a Flow Director filter data structure
+ * @v6: bool true if v6 filter
+ *
+ * Returns true if the filters match
+ */
+static bool
+ice_fdir_comp_rules(struct ice_fdir_fltr *a, struct ice_fdir_fltr *b, bool v6)
+{
+ enum ice_fltr_ptype flow_type = a->flow_type;
+
+ /* The calling function already checks that the two filters have the
+ * same flow_type.
+ */
+ if (!v6) {
+ if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP) {
+ if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
+ a->ip.v4.src_ip == b->ip.v4.src_ip &&
+ a->ip.v4.dst_port == b->ip.v4.dst_port &&
+ a->ip.v4.src_port == b->ip.v4.src_port)
+ return true;
+ } else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER) {
+ if (a->ip.v4.dst_ip == b->ip.v4.dst_ip &&
+ a->ip.v4.src_ip == b->ip.v4.src_ip &&
+ a->ip.v4.l4_header == b->ip.v4.l4_header &&
+ a->ip.v4.proto == b->ip.v4.proto &&
+ a->ip.v4.ip_ver == b->ip.v4.ip_ver &&
+ a->ip.v4.tos == b->ip.v4.tos)
+ return true;
+ }
+ } else {
+ if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV6_TCP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV6_SCTP) {
+ if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
+ a->ip.v6.src_port == b->ip.v6.src_port &&
+ !ice_cmp_ipv6_addr(a->ip.v6.dst_ip,
+ b->ip.v6.dst_ip) &&
+ !ice_cmp_ipv6_addr(a->ip.v6.src_ip,
+ b->ip.v6.src_ip))
+ return true;
+ } else if (flow_type == ICE_FLTR_PTYPE_NONF_IPV6_OTHER) {
+ if (a->ip.v6.dst_port == b->ip.v6.dst_port &&
+ a->ip.v6.src_port == b->ip.v6.src_port)
+ return true;
+ }
+ }
+
+ return false;
+}
+
+/**
+ * ice_fdir_is_dup_fltr - test if filter is already in list for PF
+ * @hw: hardware data structure
+ * @input: Flow Director filter data structure
+ *
+ * Returns true if the filter is found in the list
+ */
+bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input)
+{
+ struct ice_fdir_fltr *rule;
+ bool ret = false;
+
+ list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
+ enum ice_fltr_ptype flow_type;
+
+ if (rule->flow_type != input->flow_type)
+ continue;
+
+ flow_type = input->flow_type;
+ if (flow_type == ICE_FLTR_PTYPE_NONF_IPV4_TCP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_SCTP ||
+ flow_type == ICE_FLTR_PTYPE_NONF_IPV4_OTHER)
+ ret = ice_fdir_comp_rules(rule, input, false);
+ else
+ ret = ice_fdir_comp_rules(rule, input, true);
+ if (ret) {
+ if (rule->fltr_id == input->fltr_id &&
+ rule->q_index != input->q_index)
+ ret = false;
+ else
+ break;
+ }
+ }
+
+ return ret;
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.h b/drivers/net/ethernet/intel/ice/ice_fdir.h
new file mode 100644
index 000000000000..1c587766daab
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_fdir.h
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#ifndef _ICE_FDIR_H_
+#define _ICE_FDIR_H_
+
+#define ICE_FDIR_TUN_PKT_OFF 50
+#define ICE_FDIR_MAX_RAW_PKT_SIZE (512 + ICE_FDIR_TUN_PKT_OFF)
+
+/* macros for offsets into packets for flow director programming */
+#define ICE_IPV4_SRC_ADDR_OFFSET 26
+#define ICE_IPV4_DST_ADDR_OFFSET 30
+#define ICE_IPV4_TCP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_TCP_DST_PORT_OFFSET 36
+#define ICE_IPV4_UDP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_UDP_DST_PORT_OFFSET 36
+#define ICE_IPV4_SCTP_SRC_PORT_OFFSET 34
+#define ICE_IPV4_SCTP_DST_PORT_OFFSET 36
+#define ICE_IPV4_PROTO_OFFSET 23
+#define ICE_IPV6_SRC_ADDR_OFFSET 22
+#define ICE_IPV6_DST_ADDR_OFFSET 38
+#define ICE_IPV6_TCP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_TCP_DST_PORT_OFFSET 56
+#define ICE_IPV6_UDP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_UDP_DST_PORT_OFFSET 56
+#define ICE_IPV6_SCTP_SRC_PORT_OFFSET 54
+#define ICE_IPV6_SCTP_DST_PORT_OFFSET 56
+/* IP v4 has 2 flag bits that enable fragment processing: DF and MF. DF
+ * requests that the packet not be fragmented. MF indicates that a packet has
+ * been fragmented.
+ */
+#define ICE_FDIR_IPV4_PKT_FLAG_DF 0x20
+
+enum ice_fltr_prgm_desc_dest {
+ ICE_FLTR_PRGM_DESC_DEST_DROP_PKT,
+ ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX,
+};
+
+enum ice_fltr_prgm_desc_fd_status {
+ ICE_FLTR_PRGM_DESC_FD_STATUS_NONE,
+ ICE_FLTR_PRGM_DESC_FD_STATUS_FD_ID,
+};
+
+/* Flow Director (FD) Filter Programming descriptor */
+struct ice_fd_fltr_desc_ctx {
+ u32 fdid;
+ u16 qindex;
+ u16 cnt_index;
+ u16 fd_vsi;
+ u16 flex_val;
+ u8 comp_q;
+ u8 comp_report;
+ u8 fd_space;
+ u8 cnt_ena;
+ u8 evict_ena;
+ u8 toq;
+ u8 toq_prio;
+ u8 dpu_recipe;
+ u8 drop;
+ u8 flex_prio;
+ u8 flex_mdid;
+ u8 dtype;
+ u8 pcmd;
+ u8 desc_prof_prio;
+ u8 desc_prof;
+ u8 swap;
+ u8 fdid_prio;
+ u8 fdid_mdid;
+};
+
+#define ICE_FLTR_PRGM_FLEX_WORD_SIZE sizeof(__be16)
+
+struct ice_rx_flow_userdef {
+ u16 flex_word;
+ u16 flex_offset;
+ u16 flex_fltr;
+};
+
+struct ice_fdir_v4 {
+ __be32 dst_ip;
+ __be32 src_ip;
+ __be16 dst_port;
+ __be16 src_port;
+ __be32 l4_header;
+ __be32 sec_parm_idx; /* security parameter index */
+ u8 tos;
+ u8 ip_ver;
+ u8 proto;
+};
+
+#define ICE_IPV6_ADDR_LEN_AS_U32 4
+
+struct ice_fdir_v6 {
+ __be32 dst_ip[ICE_IPV6_ADDR_LEN_AS_U32];
+ __be32 src_ip[ICE_IPV6_ADDR_LEN_AS_U32];
+ __be16 dst_port;
+ __be16 src_port;
+ __be32 l4_header; /* next header */
+ __be32 sec_parm_idx; /* security parameter index */
+ u8 tc;
+ u8 proto;
+};
+
+struct ice_fdir_extra {
+ u8 dst_mac[ETH_ALEN]; /* dest MAC address */
+ u32 usr_def[2]; /* user data */
+ __be16 vlan_type; /* VLAN ethertype */
+ __be16 vlan_tag; /* VLAN tag info */
+};
+
+struct ice_fdir_fltr {
+ struct list_head fltr_node;
+ enum ice_fltr_ptype flow_type;
+
+ union {
+ struct ice_fdir_v4 v4;
+ struct ice_fdir_v6 v6;
+ } ip, mask;
+
+ struct ice_fdir_extra ext_data;
+ struct ice_fdir_extra ext_mask;
+
+ /* flex byte filter data */
+ __be16 flex_word;
+ u16 flex_offset;
+ u16 flex_fltr;
+
+ /* filter control */
+ u16 q_index;
+ u16 dest_vsi;
+ u8 dest_ctl;
+ u8 fltr_status;
+ u16 cnt_index;
+ u32 fltr_id;
+};
+
+/* Dummy packet filter definition structure */
+struct ice_fdir_base_pkt {
+ enum ice_fltr_ptype flow;
+ u16 pkt_len;
+ const u8 *pkt;
+ u16 tun_pkt_len;
+ const u8 *tun_pkt;
+};
+
+enum ice_status ice_alloc_fd_res_cntr(struct ice_hw *hw, u16 *cntr_id);
+enum ice_status ice_free_fd_res_cntr(struct ice_hw *hw, u16 cntr_id);
+enum ice_status
+ice_alloc_fd_guar_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
+enum ice_status
+ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr);
+void
+ice_fdir_get_prgm_desc(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ struct ice_fltr_desc *fdesc, bool add);
+enum ice_status
+ice_fdir_get_gen_prgm_pkt(struct ice_hw *hw, struct ice_fdir_fltr *input,
+ u8 *pkt, bool frag, bool tun);
+int ice_get_fdir_cnt_all(struct ice_hw *hw);
+bool ice_fdir_is_dup_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
+bool ice_fdir_has_frag(enum ice_fltr_ptype flow);
+struct ice_fdir_fltr *
+ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx);
+void
+ice_fdir_update_cntrs(struct ice_hw *hw, enum ice_fltr_ptype flow, bool add);
+void ice_fdir_list_add_fltr(struct ice_hw *hw, struct ice_fdir_fltr *input);
+#endif /* _ICE_FDIR_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
index 42bac3ec5526..4420fc02f7e7 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c
@@ -5,6 +5,15 @@
#include "ice_flex_pipe.h"
#include "ice_flow.h"
+/* To support tunneling entries by PF, the package will append the PF number to
+ * the label; for example TNL_VXLAN_PF0, TNL_VXLAN_PF1, TNL_VXLAN_PF2, etc.
+ */
+static const struct ice_tunnel_type_scan tnls[] = {
+ { TNL_VXLAN, "TNL_VXLAN_PF" },
+ { TNL_GENEVE, "TNL_GENEVE_PF" },
+ { TNL_LAST, "" }
+};
+
static const u32 ice_sect_lkup[ICE_BLK_COUNT][ICE_SECT_COUNT] = {
/* SWITCH */
{
@@ -239,6 +248,268 @@ ice_pkg_enum_section(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
return state->sect;
}
+/**
+ * ice_pkg_enum_entry
+ * @ice_seg: pointer to the ice segment (or NULL on subsequent calls)
+ * @state: pointer to the enum state
+ * @sect_type: section type to enumerate
+ * @offset: pointer to variable that receives the offset in the table (optional)
+ * @handler: function that handles access to the entries into the section type
+ *
+ * This function will enumerate all the entries in particular section type in
+ * the ice segment. The first call is made with the ice_seg parameter non-NULL;
+ * on subsequent calls, ice_seg is set to NULL which continues the enumeration.
+ * When the function returns a NULL pointer, then the end of the entries has
+ * been reached.
+ *
+ * Since each section may have a different header and entry size, the handler
+ * function is needed to determine the number and location entries in each
+ * section.
+ *
+ * The offset parameter is optional, but should be used for sections that
+ * contain an offset for each section table. For such cases, the section handler
+ * function must return the appropriate offset + index to give the absolution
+ * offset for each entry. For example, if the base for a section's header
+ * indicates a base offset of 10, and the index for the entry is 2, then
+ * section handler function should set the offset to 10 + 2 = 12.
+ */
+static void *
+ice_pkg_enum_entry(struct ice_seg *ice_seg, struct ice_pkg_enum *state,
+ u32 sect_type, u32 *offset,
+ void *(*handler)(u32 sect_type, void *section,
+ u32 index, u32 *offset))
+{
+ void *entry;
+
+ if (ice_seg) {
+ if (!handler)
+ return NULL;
+
+ if (!ice_pkg_enum_section(ice_seg, state, sect_type))
+ return NULL;
+
+ state->entry_idx = 0;
+ state->handler = handler;
+ } else {
+ state->entry_idx++;
+ }
+
+ if (!state->handler)
+ return NULL;
+
+ /* get entry */
+ entry = state->handler(state->sect_type, state->sect, state->entry_idx,
+ offset);
+ if (!entry) {
+ /* end of a section, look for another section of this type */
+ if (!ice_pkg_enum_section(NULL, state, 0))
+ return NULL;
+
+ state->entry_idx = 0;
+ entry = state->handler(state->sect_type, state->sect,
+ state->entry_idx, offset);
+ }
+
+ return entry;
+}
+
+/**
+ * ice_boost_tcam_handler
+ * @sect_type: section type
+ * @section: pointer to section
+ * @index: index of the boost TCAM entry to be returned
+ * @offset: pointer to receive absolute offset, always 0 for boost TCAM sections
+ *
+ * This is a callback function that can be passed to ice_pkg_enum_entry.
+ * Handles enumeration of individual boost TCAM entries.
+ */
+static void *
+ice_boost_tcam_handler(u32 sect_type, void *section, u32 index, u32 *offset)
+{
+ struct ice_boost_tcam_section *boost;
+
+ if (!section)
+ return NULL;
+
+ if (sect_type != ICE_SID_RXPARSER_BOOST_TCAM)
+ return NULL;
+
+ if (index > ICE_MAX_BST_TCAMS_IN_BUF)
+ return NULL;
+
+ if (offset)
+ *offset = 0;
+
+ boost = section;
+ if (index >= le16_to_cpu(boost->count))
+ return NULL;
+
+ return boost->tcam + index;
+}
+
+/**
+ * ice_find_boost_entry
+ * @ice_seg: pointer to the ice segment (non-NULL)
+ * @addr: Boost TCAM address of entry to search for
+ * @entry: returns pointer to the entry
+ *
+ * Finds a particular Boost TCAM entry and returns a pointer to that entry
+ * if it is found. The ice_seg parameter must not be NULL since the first call
+ * to ice_pkg_enum_entry requires a pointer to an actual ice_segment structure.
+ */
+static enum ice_status
+ice_find_boost_entry(struct ice_seg *ice_seg, u16 addr,
+ struct ice_boost_tcam_entry **entry)
+{
+ struct ice_boost_tcam_entry *tcam;
+ struct ice_pkg_enum state;
+
+ memset(&state, 0, sizeof(state));
+
+ if (!ice_seg)
+ return ICE_ERR_PARAM;
+
+ do {
+ tcam = ice_pkg_enum_entry(ice_seg, &state,
+ ICE_SID_RXPARSER_BOOST_TCAM, NULL,
+ ice_boost_tcam_handler);
+ if (tcam && le16_to_cpu(tcam->addr) == addr) {
+ *entry = tcam;
+ return 0;
+ }
+
+ ice_seg = NULL;
+ } while (tcam);
+
+ *entry = NULL;
+ return ICE_ERR_CFG;
+}
+
+/**
+ * ice_label_enum_handler
+ * @sect_type: section type
+ * @section: pointer to section
+ * @index: index of the label entry to be returned
+ * @offset: pointer to receive absolute offset, always zero for label sections
+ *
+ * This is a callback function that can be passed to ice_pkg_enum_entry.
+ * Handles enumeration of individual label entries.
+ */
+static void *
+ice_label_enum_handler(u32 __always_unused sect_type, void *section, u32 index,
+ u32 *offset)
+{
+ struct ice_label_section *labels;
+
+ if (!section)
+ return NULL;
+
+ if (index > ICE_MAX_LABELS_IN_BUF)
+ return NULL;
+
+ if (offset)
+ *offset = 0;
+
+ labels = section;
+ if (index >= le16_to_cpu(labels->count))
+ return NULL;
+
+ return labels->label + index;
+}
+
+/**
+ * ice_enum_labels
+ * @ice_seg: pointer to the ice segment (NULL on subsequent calls)
+ * @type: the section type that will contain the label (0 on subsequent calls)
+ * @state: ice_pkg_enum structure that will hold the state of the enumeration
+ * @value: pointer to a value that will return the label's value if found
+ *
+ * Enumerates a list of labels in the package. The caller will call
+ * ice_enum_labels(ice_seg, type, ...) to start the enumeration, then call
+ * ice_enum_labels(NULL, 0, ...) to continue. When the function returns a NULL
+ * the end of the list has been reached.
+ */
+static char *
+ice_enum_labels(struct ice_seg *ice_seg, u32 type, struct ice_pkg_enum *state,
+ u16 *value)
+{
+ struct ice_label *label;
+
+ /* Check for valid label section on first call */
+ if (type && !(type >= ICE_SID_LBL_FIRST && type <= ICE_SID_LBL_LAST))
+ return NULL;
+
+ label = ice_pkg_enum_entry(ice_seg, state, type, NULL,
+ ice_label_enum_handler);
+ if (!label)
+ return NULL;
+
+ *value = le16_to_cpu(label->value);
+ return label->name;
+}
+
+/**
+ * ice_init_pkg_hints
+ * @hw: pointer to the HW structure
+ * @ice_seg: pointer to the segment of the package scan (non-NULL)
+ *
+ * This function will scan the package and save off relevant information
+ * (hints or metadata) for driver use. The ice_seg parameter must not be NULL
+ * since the first call to ice_enum_labels requires a pointer to an actual
+ * ice_seg structure.
+ */
+static void ice_init_pkg_hints(struct ice_hw *hw, struct ice_seg *ice_seg)
+{
+ struct ice_pkg_enum state;
+ char *label_name;
+ u16 val;
+ int i;
+
+ memset(&hw->tnl, 0, sizeof(hw->tnl));
+ memset(&state, 0, sizeof(state));
+
+ if (!ice_seg)
+ return;
+
+ label_name = ice_enum_labels(ice_seg, ICE_SID_LBL_RXPARSER_TMEM, &state,
+ &val);
+
+ while (label_name && hw->tnl.count < ICE_TUNNEL_MAX_ENTRIES) {
+ for (i = 0; tnls[i].type != TNL_LAST; i++) {
+ size_t len = strlen(tnls[i].label_prefix);
+
+ /* Look for matching label start, before continuing */
+ if (strncmp(label_name, tnls[i].label_prefix, len))
+ continue;
+
+ /* Make sure this label matches our PF. Note that the PF
+ * character ('0' - '7') will be located where our
+ * prefix string's null terminator is located.
+ */
+ if ((label_name[len] - '0') == hw->pf_id) {
+ hw->tnl.tbl[hw->tnl.count].type = tnls[i].type;
+ hw->tnl.tbl[hw->tnl.count].valid = false;
+ hw->tnl.tbl[hw->tnl.count].in_use = false;
+ hw->tnl.tbl[hw->tnl.count].marked = false;
+ hw->tnl.tbl[hw->tnl.count].boost_addr = val;
+ hw->tnl.tbl[hw->tnl.count].port = 0;
+ hw->tnl.count++;
+ break;
+ }
+ }
+
+ label_name = ice_enum_labels(NULL, 0, &state, &val);
+ }
+
+ /* Cache the appropriate boost TCAM entry pointers */
+ for (i = 0; i < hw->tnl.count; i++) {
+ ice_find_boost_entry(ice_seg, hw->tnl.tbl[i].boost_addr,
+ &hw->tnl.tbl[i].boost_entry);
+ if (hw->tnl.tbl[i].boost_entry)
+ hw->tnl.tbl[i].valid = true;
+ }
+}
+
/* Key creation */
#define ICE_DC_KEY 0x1 /* don't care */
@@ -593,8 +864,9 @@ ice_find_seg_in_pkg(struct ice_hw *hw, u32 seg_type,
u32 i;
ice_debug(hw, ICE_DBG_PKG, "Package format version: %d.%d.%d.%d\n",
- pkg_hdr->format_ver.major, pkg_hdr->format_ver.minor,
- pkg_hdr->format_ver.update, pkg_hdr->format_ver.draft);
+ pkg_hdr->pkg_format_ver.major, pkg_hdr->pkg_format_ver.minor,
+ pkg_hdr->pkg_format_ver.update,
+ pkg_hdr->pkg_format_ver.draft);
/* Search all package segments for the requested segment type */
for (i = 0; i < le32_to_cpu(pkg_hdr->seg_count); i++) {
@@ -764,13 +1036,15 @@ ice_download_pkg(struct ice_hw *hw, struct ice_seg *ice_seg)
{
struct ice_buf_table *ice_buf_tbl;
- ice_debug(hw, ICE_DBG_PKG, "Segment version: %d.%d.%d.%d\n",
- ice_seg->hdr.seg_ver.major, ice_seg->hdr.seg_ver.minor,
- ice_seg->hdr.seg_ver.update, ice_seg->hdr.seg_ver.draft);
+ ice_debug(hw, ICE_DBG_PKG, "Segment format version: %d.%d.%d.%d\n",
+ ice_seg->hdr.seg_format_ver.major,
+ ice_seg->hdr.seg_format_ver.minor,
+ ice_seg->hdr.seg_format_ver.update,
+ ice_seg->hdr.seg_format_ver.draft);
ice_debug(hw, ICE_DBG_PKG, "Seg: type 0x%X, size %d, name %s\n",
le32_to_cpu(ice_seg->hdr.seg_type),
- le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_name);
+ le32_to_cpu(ice_seg->hdr.seg_size), ice_seg->hdr.seg_id);
ice_buf_tbl = ice_find_buf_table(ice_seg);
@@ -815,14 +1089,16 @@ ice_init_pkg_info(struct ice_hw *hw, struct ice_pkg_hdr *pkg_hdr)
seg_hdr = ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg_hdr);
if (seg_hdr) {
- hw->ice_pkg_ver = seg_hdr->seg_ver;
- memcpy(hw->ice_pkg_name, seg_hdr->seg_name,
+ hw->ice_pkg_ver = seg_hdr->seg_format_ver;
+ memcpy(hw->ice_pkg_name, seg_hdr->seg_id,
sizeof(hw->ice_pkg_name));
- ice_debug(hw, ICE_DBG_PKG, "Ice Pkg: %d.%d.%d.%d, %s\n",
- seg_hdr->seg_ver.major, seg_hdr->seg_ver.minor,
- seg_hdr->seg_ver.update, seg_hdr->seg_ver.draft,
- seg_hdr->seg_name);
+ ice_debug(hw, ICE_DBG_PKG, "Ice Seg: %d.%d.%d.%d, %s\n",
+ seg_hdr->seg_format_ver.major,
+ seg_hdr->seg_format_ver.minor,
+ seg_hdr->seg_format_ver.update,
+ seg_hdr->seg_format_ver.draft,
+ seg_hdr->seg_id);
} else {
ice_debug(hw, ICE_DBG_INIT,
"Did not find ice segment in driver package\n");
@@ -863,9 +1139,11 @@ static enum ice_status ice_get_pkg_info(struct ice_hw *hw)
if (pkg_info->pkg_info[i].is_active) {
flags[place++] = 'A';
hw->active_pkg_ver = pkg_info->pkg_info[i].ver;
+ hw->active_track_id =
+ le32_to_cpu(pkg_info->pkg_info[i].track_id);
memcpy(hw->active_pkg_name,
pkg_info->pkg_info[i].name,
- sizeof(hw->active_pkg_name));
+ sizeof(pkg_info->pkg_info[i].name));
hw->active_pkg_in_nvm = pkg_info->pkg_info[i].is_in_nvm;
}
if (pkg_info->pkg_info[i].is_active_at_boot)
@@ -905,10 +1183,10 @@ static enum ice_status ice_verify_pkg(struct ice_pkg_hdr *pkg, u32 len)
if (len < sizeof(*pkg))
return ICE_ERR_BUF_TOO_SHORT;
- if (pkg->format_ver.major != ICE_PKG_FMT_VER_MAJ ||
- pkg->format_ver.minor != ICE_PKG_FMT_VER_MNR ||
- pkg->format_ver.update != ICE_PKG_FMT_VER_UPD ||
- pkg->format_ver.draft != ICE_PKG_FMT_VER_DFT)
+ if (pkg->pkg_format_ver.major != ICE_PKG_FMT_VER_MAJ ||
+ pkg->pkg_format_ver.minor != ICE_PKG_FMT_VER_MNR ||
+ pkg->pkg_format_ver.update != ICE_PKG_FMT_VER_UPD ||
+ pkg->pkg_format_ver.draft != ICE_PKG_FMT_VER_DFT)
return ICE_ERR_CFG;
/* pkg must have at least one segment */
@@ -990,6 +1268,68 @@ static enum ice_status ice_chk_pkg_version(struct ice_pkg_ver *pkg_ver)
}
/**
+ * ice_chk_pkg_compat
+ * @hw: pointer to the hardware structure
+ * @ospkg: pointer to the package hdr
+ * @seg: pointer to the package segment hdr
+ *
+ * This function checks the package version compatibility with driver and NVM
+ */
+static enum ice_status
+ice_chk_pkg_compat(struct ice_hw *hw, struct ice_pkg_hdr *ospkg,
+ struct ice_seg **seg)
+{
+ struct ice_aqc_get_pkg_info_resp *pkg;
+ enum ice_status status;
+ u16 size;
+ u32 i;
+
+ /* Check package version compatibility */
+ status = ice_chk_pkg_version(&hw->pkg_ver);
+ if (status) {
+ ice_debug(hw, ICE_DBG_INIT, "Package version check failed.\n");
+ return status;
+ }
+
+ /* find ICE segment in given package */
+ *seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE,
+ ospkg);
+ if (!*seg) {
+ ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
+ return ICE_ERR_CFG;
+ }
+
+ /* Check if FW is compatible with the OS package */
+ size = struct_size(pkg, pkg_info, ICE_PKG_CNT - 1);
+ pkg = kzalloc(size, GFP_KERNEL);
+ if (!pkg)
+ return ICE_ERR_NO_MEMORY;
+
+ status = ice_aq_get_pkg_info_list(hw, pkg, size, NULL);
+ if (status)
+ goto fw_ddp_compat_free_alloc;
+
+ for (i = 0; i < le32_to_cpu(pkg->count); i++) {
+ /* loop till we find the NVM package */
+ if (!pkg->pkg_info[i].is_in_nvm)
+ continue;
+ if ((*seg)->hdr.seg_format_ver.major !=
+ pkg->pkg_info[i].ver.major ||
+ (*seg)->hdr.seg_format_ver.minor >
+ pkg->pkg_info[i].ver.minor) {
+ status = ICE_ERR_FW_DDP_MISMATCH;
+ ice_debug(hw, ICE_DBG_INIT,
+ "OS package is not compatible with NVM.\n");
+ }
+ /* done processing NVM package so break */
+ break;
+ }
+fw_ddp_compat_free_alloc:
+ kfree(pkg);
+ return status;
+}
+
+/**
* ice_init_pkg - initialize/download package
* @hw: pointer to the hardware structure
* @buf: pointer to the package buffer
@@ -1039,18 +1379,12 @@ enum ice_status ice_init_pkg(struct ice_hw *hw, u8 *buf, u32 len)
/* before downloading the package, check package version for
* compatibility with driver
*/
- status = ice_chk_pkg_version(&hw->pkg_ver);
+ status = ice_chk_pkg_compat(hw, pkg, &seg);
if (status)
return status;
- /* find segment in given package */
- seg = (struct ice_seg *)ice_find_seg_in_pkg(hw, SEGMENT_TYPE_ICE, pkg);
- if (!seg) {
- ice_debug(hw, ICE_DBG_INIT, "no ice segment in package.\n");
- return ICE_ERR_CFG;
- }
-
- /* download package */
+ /* initialize package hints and then download package */
+ ice_init_pkg_hints(hw, seg);
status = ice_download_pkg(hw, seg);
if (status == ICE_ERR_AQ_NO_WORK) {
ice_debug(hw, ICE_DBG_INIT,
@@ -1292,6 +1626,284 @@ static struct ice_buf *ice_pkg_buf(struct ice_buf_build *bld)
return &bld->buf;
}
+/**
+ * ice_tunnel_port_in_use_hlpr - helper function to determine tunnel usage
+ * @hw: pointer to the HW structure
+ * @port: port to search for
+ * @index: optionally returns index
+ *
+ * Returns whether a port is already in use as a tunnel, and optionally its
+ * index
+ */
+static bool ice_tunnel_port_in_use_hlpr(struct ice_hw *hw, u16 port, u16 *index)
+{
+ u16 i;
+
+ for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].in_use && hw->tnl.tbl[i].port == port) {
+ if (index)
+ *index = i;
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ice_tunnel_port_in_use
+ * @hw: pointer to the HW structure
+ * @port: port to search for
+ * @index: optionally returns index
+ *
+ * Returns whether a port is already in use as a tunnel, and optionally its
+ * index
+ */
+bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index)
+{
+ bool res;
+
+ mutex_lock(&hw->tnl_lock);
+ res = ice_tunnel_port_in_use_hlpr(hw, port, index);
+ mutex_unlock(&hw->tnl_lock);
+
+ return res;
+}
+
+/**
+ * ice_find_free_tunnel_entry
+ * @hw: pointer to the HW structure
+ * @type: tunnel type
+ * @index: optionally returns index
+ *
+ * Returns whether there is a free tunnel entry, and optionally its index
+ */
+static bool
+ice_find_free_tunnel_entry(struct ice_hw *hw, enum ice_tunnel_type type,
+ u16 *index)
+{
+ u16 i;
+
+ for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].valid && !hw->tnl.tbl[i].in_use &&
+ hw->tnl.tbl[i].type == type) {
+ if (index)
+ *index = i;
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ice_get_open_tunnel_port - retrieve an open tunnel port
+ * @hw: pointer to the HW structure
+ * @type: tunnel type (TNL_ALL will return any open port)
+ * @port: returns open port
+ */
+bool
+ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
+ u16 *port)
+{
+ bool res = false;
+ u16 i;
+
+ mutex_lock(&hw->tnl_lock);
+
+ for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
+ (type == TNL_ALL || hw->tnl.tbl[i].type == type)) {
+ *port = hw->tnl.tbl[i].port;
+ res = true;
+ break;
+ }
+
+ mutex_unlock(&hw->tnl_lock);
+
+ return res;
+}
+
+/**
+ * ice_create_tunnel
+ * @hw: pointer to the HW structure
+ * @type: type of tunnel
+ * @port: port of tunnel to create
+ *
+ * Create a tunnel by updating the parse graph in the parser. We do that by
+ * creating a package buffer with the tunnel info and issuing an update package
+ * command.
+ */
+enum ice_status
+ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port)
+{
+ struct ice_boost_tcam_section *sect_rx, *sect_tx;
+ enum ice_status status = ICE_ERR_MAX_LIMIT;
+ struct ice_buf_build *bld;
+ u16 index;
+
+ mutex_lock(&hw->tnl_lock);
+
+ if (ice_tunnel_port_in_use_hlpr(hw, port, &index)) {
+ hw->tnl.tbl[index].ref++;
+ status = 0;
+ goto ice_create_tunnel_end;
+ }
+
+ if (!ice_find_free_tunnel_entry(hw, type, &index)) {
+ status = ICE_ERR_OUT_OF_RANGE;
+ goto ice_create_tunnel_end;
+ }
+
+ bld = ice_pkg_buf_alloc(hw);
+ if (!bld) {
+ status = ICE_ERR_NO_MEMORY;
+ goto ice_create_tunnel_end;
+ }
+
+ /* allocate 2 sections, one for Rx parser, one for Tx parser */
+ if (ice_pkg_buf_reserve_section(bld, 2))
+ goto ice_create_tunnel_err;
+
+ sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
+ sizeof(*sect_rx));
+ if (!sect_rx)
+ goto ice_create_tunnel_err;
+ sect_rx->count = cpu_to_le16(1);
+
+ sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
+ sizeof(*sect_tx));
+ if (!sect_tx)
+ goto ice_create_tunnel_err;
+ sect_tx->count = cpu_to_le16(1);
+
+ /* copy original boost entry to update package buffer */
+ memcpy(sect_rx->tcam, hw->tnl.tbl[index].boost_entry,
+ sizeof(*sect_rx->tcam));
+
+ /* over-write the never-match dest port key bits with the encoded port
+ * bits
+ */
+ ice_set_key((u8 *)&sect_rx->tcam[0].key, sizeof(sect_rx->tcam[0].key),
+ (u8 *)&port, NULL, NULL, NULL,
+ (u16)offsetof(struct ice_boost_key_value, hv_dst_port_key),
+ sizeof(sect_rx->tcam[0].key.key.hv_dst_port_key));
+
+ /* exact copy of entry to Tx section entry */
+ memcpy(sect_tx->tcam, sect_rx->tcam, sizeof(*sect_tx->tcam));
+
+ status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
+ if (!status) {
+ hw->tnl.tbl[index].port = port;
+ hw->tnl.tbl[index].in_use = true;
+ hw->tnl.tbl[index].ref = 1;
+ }
+
+ice_create_tunnel_err:
+ ice_pkg_buf_free(hw, bld);
+
+ice_create_tunnel_end:
+ mutex_unlock(&hw->tnl_lock);
+
+ return status;
+}
+
+/**
+ * ice_destroy_tunnel
+ * @hw: pointer to the HW structure
+ * @port: port of tunnel to destroy (ignored if the all parameter is true)
+ * @all: flag that states to destroy all tunnels
+ *
+ * Destroys a tunnel or all tunnels by creating an update package buffer
+ * targeting the specific updates requested and then performing an update
+ * package.
+ */
+enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all)
+{
+ struct ice_boost_tcam_section *sect_rx, *sect_tx;
+ enum ice_status status = ICE_ERR_MAX_LIMIT;
+ struct ice_buf_build *bld;
+ u16 count = 0;
+ u16 index;
+ u16 size;
+ u16 i;
+
+ mutex_lock(&hw->tnl_lock);
+
+ if (!all && ice_tunnel_port_in_use_hlpr(hw, port, &index))
+ if (hw->tnl.tbl[index].ref > 1) {
+ hw->tnl.tbl[index].ref--;
+ status = 0;
+ goto ice_destroy_tunnel_end;
+ }
+
+ /* determine count */
+ for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
+ (all || hw->tnl.tbl[i].port == port))
+ count++;
+
+ if (!count) {
+ status = ICE_ERR_PARAM;
+ goto ice_destroy_tunnel_end;
+ }
+
+ /* size of section - there is at least one entry */
+ size = struct_size(sect_rx, tcam, count - 1);
+
+ bld = ice_pkg_buf_alloc(hw);
+ if (!bld) {
+ status = ICE_ERR_NO_MEMORY;
+ goto ice_destroy_tunnel_end;
+ }
+
+ /* allocate 2 sections, one for Rx parser, one for Tx parser */
+ if (ice_pkg_buf_reserve_section(bld, 2))
+ goto ice_destroy_tunnel_err;
+
+ sect_rx = ice_pkg_buf_alloc_section(bld, ICE_SID_RXPARSER_BOOST_TCAM,
+ size);
+ if (!sect_rx)
+ goto ice_destroy_tunnel_err;
+ sect_rx->count = cpu_to_le16(1);
+
+ sect_tx = ice_pkg_buf_alloc_section(bld, ICE_SID_TXPARSER_BOOST_TCAM,
+ size);
+ if (!sect_tx)
+ goto ice_destroy_tunnel_err;
+ sect_tx->count = cpu_to_le16(1);
+
+ /* copy original boost entry to update package buffer, one copy to Rx
+ * section, another copy to the Tx section
+ */
+ for (i = 0; i < hw->tnl.count && i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].valid && hw->tnl.tbl[i].in_use &&
+ (all || hw->tnl.tbl[i].port == port)) {
+ memcpy(sect_rx->tcam + i, hw->tnl.tbl[i].boost_entry,
+ sizeof(*sect_rx->tcam));
+ memcpy(sect_tx->tcam + i, hw->tnl.tbl[i].boost_entry,
+ sizeof(*sect_tx->tcam));
+ hw->tnl.tbl[i].marked = true;
+ }
+
+ status = ice_update_pkg(hw, ice_pkg_buf(bld), 1);
+ if (!status)
+ for (i = 0; i < hw->tnl.count &&
+ i < ICE_TUNNEL_MAX_ENTRIES; i++)
+ if (hw->tnl.tbl[i].marked) {
+ hw->tnl.tbl[i].ref = 0;
+ hw->tnl.tbl[i].port = 0;
+ hw->tnl.tbl[i].in_use = false;
+ hw->tnl.tbl[i].marked = false;
+ }
+
+ice_destroy_tunnel_err:
+ ice_pkg_buf_free(hw, bld);
+
+ice_destroy_tunnel_end:
+ mutex_unlock(&hw->tnl_lock);
+
+ return status;
+}
+
/* PTG Management */
/**
@@ -1807,9 +2419,16 @@ ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
struct ice_fv_word *fv, u8 *prof_id)
{
struct ice_es *es = &hw->blk[blk].es;
- u16 off, i;
+ u16 off;
+ u8 i;
- for (i = 0; i < es->count; i++) {
+ /* For FD, we don't want to re-use a existed profile with the same
+ * field vector and mask. This will cause rule interference.
+ */
+ if (blk == ICE_BLK_FD)
+ return ICE_ERR_DOES_NOT_EXIST;
+
+ for (i = 0; i < (u8)es->count; i++) {
off = i * es->fvw;
if (memcmp(&es->t[off], fv, es->fvw * sizeof(*fv)))
@@ -1830,6 +2449,9 @@ ice_find_prof_id(struct ice_hw *hw, enum ice_block blk,
static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
{
switch (blk) {
+ case ICE_BLK_FD:
+ *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_PROFID;
+ break;
case ICE_BLK_RSS:
*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_PROFID;
break;
@@ -1847,6 +2469,9 @@ static bool ice_prof_id_rsrc_type(enum ice_block blk, u16 *rsrc_type)
static bool ice_tcam_ent_rsrc_type(enum ice_block blk, u16 *rsrc_type)
{
switch (blk) {
+ case ICE_BLK_FD:
+ *rsrc_type = ICE_AQC_RES_TYPE_FD_PROF_BLDR_TCAM;
+ break;
case ICE_BLK_RSS:
*rsrc_type = ICE_AQC_RES_TYPE_HASH_PROF_BLDR_TCAM;
break;
@@ -2290,6 +2915,12 @@ static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
mutex_lock(&hw->fl_profs_locks[blk_idx]);
list_for_each_entry_safe(p, tmp, &hw->fl_profs[blk_idx], l_entry) {
+ struct ice_flow_entry *e, *t;
+
+ list_for_each_entry_safe(e, t, &p->entries, l_entry)
+ ice_flow_rem_entry(hw, (enum ice_block)blk_idx,
+ ICE_FLOW_ENTRY_HNDL(e));
+
list_del(&p->l_entry);
devm_kfree(ice_hw_to_dev(hw), p);
}
@@ -2919,6 +3550,212 @@ error_tmp:
}
/**
+ * ice_update_fd_mask - set Flow Director Field Vector mask for a profile
+ * @hw: pointer to the HW struct
+ * @prof_id: profile ID
+ * @mask_sel: mask select
+ *
+ * This function enable any of the masks selected by the mask select parameter
+ * for the profile specified.
+ */
+static void ice_update_fd_mask(struct ice_hw *hw, u16 prof_id, u32 mask_sel)
+{
+ wr32(hw, GLQF_FDMASK_SEL(prof_id), mask_sel);
+
+ ice_debug(hw, ICE_DBG_INIT, "fd mask(%d): %x = %x\n", prof_id,
+ GLQF_FDMASK_SEL(prof_id), mask_sel);
+}
+
+struct ice_fd_src_dst_pair {
+ u8 prot_id;
+ u8 count;
+ u16 off;
+};
+
+static const struct ice_fd_src_dst_pair ice_fd_pairs[] = {
+ /* These are defined in pairs */
+ { ICE_PROT_IPV4_OF_OR_S, 2, 12 },
+ { ICE_PROT_IPV4_OF_OR_S, 2, 16 },
+
+ { ICE_PROT_IPV4_IL, 2, 12 },
+ { ICE_PROT_IPV4_IL, 2, 16 },
+
+ { ICE_PROT_IPV6_OF_OR_S, 8, 8 },
+ { ICE_PROT_IPV6_OF_OR_S, 8, 24 },
+
+ { ICE_PROT_IPV6_IL, 8, 8 },
+ { ICE_PROT_IPV6_IL, 8, 24 },
+
+ { ICE_PROT_TCP_IL, 1, 0 },
+ { ICE_PROT_TCP_IL, 1, 2 },
+
+ { ICE_PROT_UDP_OF, 1, 0 },
+ { ICE_PROT_UDP_OF, 1, 2 },
+
+ { ICE_PROT_UDP_IL_OR_S, 1, 0 },
+ { ICE_PROT_UDP_IL_OR_S, 1, 2 },
+
+ { ICE_PROT_SCTP_IL, 1, 0 },
+ { ICE_PROT_SCTP_IL, 1, 2 }
+};
+
+#define ICE_FD_SRC_DST_PAIR_COUNT ARRAY_SIZE(ice_fd_pairs)
+
+/**
+ * ice_update_fd_swap - set register appropriately for a FD FV extraction
+ * @hw: pointer to the HW struct
+ * @prof_id: profile ID
+ * @es: extraction sequence (length of array is determined by the block)
+ */
+static enum ice_status
+ice_update_fd_swap(struct ice_hw *hw, u16 prof_id, struct ice_fv_word *es)
+{
+ DECLARE_BITMAP(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
+ u8 pair_start[ICE_FD_SRC_DST_PAIR_COUNT] = { 0 };
+#define ICE_FD_FV_NOT_FOUND (-2)
+ s8 first_free = ICE_FD_FV_NOT_FOUND;
+ u8 used[ICE_MAX_FV_WORDS] = { 0 };
+ s8 orig_free, si;
+ u32 mask_sel = 0;
+ u8 i, j, k;
+
+ bitmap_zero(pair_list, ICE_FD_SRC_DST_PAIR_COUNT);
+
+ /* This code assumes that the Flow Director field vectors are assigned
+ * from the end of the FV indexes working towards the zero index, that
+ * only complete fields will be included and will be consecutive, and
+ * that there are no gaps between valid indexes.
+ */
+
+ /* Determine swap fields present */
+ for (i = 0; i < hw->blk[ICE_BLK_FD].es.fvw; i++) {
+ /* Find the first free entry, assuming right to left population.
+ * This is where we can start adding additional pairs if needed.
+ */
+ if (first_free == ICE_FD_FV_NOT_FOUND && es[i].prot_id !=
+ ICE_PROT_INVALID)
+ first_free = i - 1;
+
+ for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
+ if (es[i].prot_id == ice_fd_pairs[j].prot_id &&
+ es[i].off == ice_fd_pairs[j].off) {
+ set_bit(j, pair_list);
+ pair_start[j] = i;
+ }
+ }
+
+ orig_free = first_free;
+
+ /* determine missing swap fields that need to be added */
+ for (i = 0; i < ICE_FD_SRC_DST_PAIR_COUNT; i += 2) {
+ u8 bit1 = test_bit(i + 1, pair_list);
+ u8 bit0 = test_bit(i, pair_list);
+
+ if (bit0 ^ bit1) {
+ u8 index;
+
+ /* add the appropriate 'paired' entry */
+ if (!bit0)
+ index = i;
+ else
+ index = i + 1;
+
+ /* check for room */
+ if (first_free + 1 < (s8)ice_fd_pairs[index].count)
+ return ICE_ERR_MAX_LIMIT;
+
+ /* place in extraction sequence */
+ for (k = 0; k < ice_fd_pairs[index].count; k++) {
+ es[first_free - k].prot_id =
+ ice_fd_pairs[index].prot_id;
+ es[first_free - k].off =
+ ice_fd_pairs[index].off + (k * 2);
+
+ if (k > first_free)
+ return ICE_ERR_OUT_OF_RANGE;
+
+ /* keep track of non-relevant fields */
+ mask_sel |= BIT(first_free - k);
+ }
+
+ pair_start[index] = first_free;
+ first_free -= ice_fd_pairs[index].count;
+ }
+ }
+
+ /* fill in the swap array */
+ si = hw->blk[ICE_BLK_FD].es.fvw - 1;
+ while (si >= 0) {
+ u8 indexes_used = 1;
+
+ /* assume flat at this index */
+#define ICE_SWAP_VALID 0x80
+ used[si] = si | ICE_SWAP_VALID;
+
+ if (orig_free == ICE_FD_FV_NOT_FOUND || si <= orig_free) {
+ si -= indexes_used;
+ continue;
+ }
+
+ /* check for a swap location */
+ for (j = 0; j < ICE_FD_SRC_DST_PAIR_COUNT; j++)
+ if (es[si].prot_id == ice_fd_pairs[j].prot_id &&
+ es[si].off == ice_fd_pairs[j].off) {
+ u8 idx;
+
+ /* determine the appropriate matching field */
+ idx = j + ((j % 2) ? -1 : 1);
+
+ indexes_used = ice_fd_pairs[idx].count;
+ for (k = 0; k < indexes_used; k++) {
+ used[si - k] = (pair_start[idx] - k) |
+ ICE_SWAP_VALID;
+ }
+
+ break;
+ }
+
+ si -= indexes_used;
+ }
+
+ /* for each set of 4 swap and 4 inset indexes, write the appropriate
+ * register
+ */
+ for (j = 0; j < hw->blk[ICE_BLK_FD].es.fvw / 4; j++) {
+ u32 raw_swap = 0;
+ u32 raw_in = 0;
+
+ for (k = 0; k < 4; k++) {
+ u8 idx;
+
+ idx = (j * 4) + k;
+ if (used[idx] && !(mask_sel & BIT(idx))) {
+ raw_swap |= used[idx] << (k * BITS_PER_BYTE);
+#define ICE_INSET_DFLT 0x9f
+ raw_in |= ICE_INSET_DFLT << (k * BITS_PER_BYTE);
+ }
+ }
+
+ /* write the appropriate swap register set */
+ wr32(hw, GLQF_FDSWAP(prof_id, j), raw_swap);
+
+ ice_debug(hw, ICE_DBG_INIT, "swap wr(%d, %d): %x = %08x\n",
+ prof_id, j, GLQF_FDSWAP(prof_id, j), raw_swap);
+
+ /* write the appropriate inset register set */
+ wr32(hw, GLQF_FDINSET(prof_id, j), raw_in);
+
+ ice_debug(hw, ICE_DBG_INIT, "inset wr(%d, %d): %x = %08x\n",
+ prof_id, j, GLQF_FDINSET(prof_id, j), raw_in);
+ }
+
+ /* initially clear the mask select for this profile */
+ ice_update_fd_mask(hw, prof_id, 0);
+
+ return 0;
+}
+
+/**
* ice_add_prof - add profile
* @hw: pointer to the HW struct
* @blk: hardware block
@@ -2939,7 +3776,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
DECLARE_BITMAP(ptgs_used, ICE_XLT1_CNT);
struct ice_prof_map *prof;
enum ice_status status;
- u32 byte = 0;
+ u8 byte = 0;
u8 prof_id;
bitmap_zero(ptgs_used, ICE_XLT1_CNT);
@@ -2953,6 +3790,18 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
status = ice_alloc_prof_id(hw, blk, &prof_id);
if (status)
goto err_ice_add_prof;
+ if (blk == ICE_BLK_FD) {
+ /* For Flow Director block, the extraction sequence may
+ * need to be altered in the case where there are paired
+ * fields that have no match. This is necessary because
+ * for Flow Director, src and dest fields need to paired
+ * for filter programming and these values are swapped
+ * during Tx.
+ */
+ status = ice_update_fd_swap(hw, prof_id, es);
+ if (status)
+ goto err_ice_add_prof;
+ }
/* and write new es */
ice_write_es(hw, blk, prof_id, es);
@@ -2962,8 +3811,10 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
/* add profile info */
prof = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*prof), GFP_KERNEL);
- if (!prof)
+ if (!prof) {
+ status = ICE_ERR_NO_MEMORY;
goto err_ice_add_prof;
+ }
prof->profile_cookie = id;
prof->prof_id = prof_id;
@@ -2972,7 +3823,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
/* build list of ptgs */
while (bytes && prof->ptg_cnt < ICE_MAX_PTG_PER_PROFILE) {
- u32 bit;
+ u8 bit;
if (!ptypes[byte]) {
bytes--;
@@ -3006,7 +3857,7 @@ ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
break;
/* nothing left in byte, then exit */
- m = ~((1 << (bit + 1)) - 1);
+ m = ~(u8)((1 << (bit + 1)) - 1);
if (!(ptypes[byte] & m))
break;
}
@@ -3703,8 +4554,10 @@ ice_add_prof_id_vsig(struct ice_hw *hw, enum ice_block blk, u16 vsig, u64 hdl,
t->tcam[i].prof_id,
t->tcam[i].ptg, vsig, 0, 0,
vl_msk, dc_msk, nm_msk);
- if (status)
+ if (status) {
+ devm_kfree(ice_hw_to_dev(hw), p);
goto err_ice_add_prof_id_vsig;
+ }
/* log change */
list_add(&p->list_entry, chg);
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
index c7b5e1a6ea2b..568ea519af51 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.h
@@ -18,6 +18,14 @@
#define ICE_PKG_CNT 4
+bool
+ice_get_open_tunnel_port(struct ice_hw *hw, enum ice_tunnel_type type,
+ u16 *port);
+enum ice_status
+ice_create_tunnel(struct ice_hw *hw, enum ice_tunnel_type type, u16 port);
+enum ice_status ice_destroy_tunnel(struct ice_hw *hw, u16 port, bool all);
+bool ice_tunnel_port_in_use(struct ice_hw *hw, u16 port, u16 *index);
+
enum ice_status
ice_add_prof(struct ice_hw *hw, enum ice_block blk, u64 id, u8 ptypes[],
struct ice_fv_word *es);
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_type.h b/drivers/net/ethernet/intel/ice/ice_flex_type.h
index 0fb3fe3ff3ea..a6f391eac8ff 100644
--- a/drivers/net/ethernet/intel/ice/ice_flex_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_flex_type.h
@@ -20,7 +20,7 @@ struct ice_fv {
/* Package and segment headers and tables */
struct ice_pkg_hdr {
- struct ice_pkg_ver format_ver;
+ struct ice_pkg_ver pkg_format_ver;
__le32 seg_count;
__le32 seg_offset[1];
};
@@ -30,9 +30,9 @@ struct ice_generic_seg_hdr {
#define SEGMENT_TYPE_METADATA 0x00000001
#define SEGMENT_TYPE_ICE 0x00000010
__le32 seg_type;
- struct ice_pkg_ver seg_ver;
+ struct ice_pkg_ver seg_format_ver;
__le32 seg_size;
- char seg_name[ICE_PKG_NAME_SIZE];
+ char seg_id[ICE_PKG_NAME_SIZE];
};
/* ice specific segment */
@@ -75,7 +75,7 @@ struct ice_buf_table {
struct ice_global_metadata_seg {
struct ice_generic_seg_hdr hdr;
struct ice_pkg_ver pkg_ver;
- __le32 track_id;
+ __le32 rsvd;
char pkg_name[ICE_PKG_NAME_SIZE];
};
@@ -149,6 +149,7 @@ struct ice_buf_hdr {
#define ICE_SID_CDID_REDIR_RSS 48
#define ICE_SID_RXPARSER_BOOST_TCAM 56
+#define ICE_SID_TXPARSER_BOOST_TCAM 66
#define ICE_SID_XLT0_PE 80
#define ICE_SID_XLT_KEY_BUILDER_PE 81
@@ -291,6 +292,38 @@ struct ice_pkg_enum {
void *(*handler)(u32 sect_type, void *section, u32 index, u32 *offset);
};
+/* Tunnel enabling */
+
+enum ice_tunnel_type {
+ TNL_VXLAN = 0,
+ TNL_GENEVE,
+ TNL_LAST = 0xFF,
+ TNL_ALL = 0xFF,
+};
+
+struct ice_tunnel_type_scan {
+ enum ice_tunnel_type type;
+ const char *label_prefix;
+};
+
+struct ice_tunnel_entry {
+ enum ice_tunnel_type type;
+ u16 boost_addr;
+ u16 port;
+ u16 ref;
+ struct ice_boost_tcam_entry *boost_entry;
+ u8 valid;
+ u8 in_use;
+ u8 marked;
+};
+
+#define ICE_TUNNEL_MAX_ENTRIES 16
+
+struct ice_tunnel_table {
+ struct ice_tunnel_entry tbl[ICE_TUNNEL_MAX_ENTRIES];
+ u16 count;
+};
+
struct ice_pkg_es {
__le16 count;
__le16 offset;
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.c b/drivers/net/ethernet/intel/ice/ice_flow.c
index 3de862a3c789..d74e5290677f 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.c
+++ b/drivers/net/ethernet/intel/ice/ice_flow.c
@@ -42,7 +42,10 @@ struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 0, sizeof(__be16)),
/* ICE_FLOW_FIELD_IDX_SCTP_DST_PORT */
ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 2, sizeof(__be16)),
-
+ /* GRE */
+ /* ICE_FLOW_FIELD_IDX_GRE_KEYID */
+ ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GRE, 12,
+ sizeof_field(struct gre_full_hdr, key)),
};
/* Bitmaps indicating relevant packet types for a particular protocol header
@@ -134,6 +137,18 @@ static const u32 ice_ptypes_sctp_il[] = {
0x00000000, 0x00000000, 0x00000000, 0x00000000,
};
+/* Packet types for packets with an Outermost/First GRE header */
+static const u32 ice_ptypes_gre_of[] = {
+ 0x00000000, 0xBFBF7800, 0x000001DF, 0xFEFDE000,
+ 0x0000017E, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+};
+
/* Manage parameters and info. used during the creation of a flow profile */
struct ice_flow_prof_params {
enum ice_block blk;
@@ -178,6 +193,40 @@ ice_flow_val_hdrs(struct ice_flow_seg_info *segs, u8 segs_cnt)
return 0;
}
+/* Sizes of fixed known protocol headers without header options */
+#define ICE_FLOW_PROT_HDR_SZ_MAC 14
+#define ICE_FLOW_PROT_HDR_SZ_IPV4 20
+#define ICE_FLOW_PROT_HDR_SZ_IPV6 40
+#define ICE_FLOW_PROT_HDR_SZ_TCP 20
+#define ICE_FLOW_PROT_HDR_SZ_UDP 8
+#define ICE_FLOW_PROT_HDR_SZ_SCTP 12
+
+/**
+ * ice_flow_calc_seg_sz - calculates size of a packet segment based on headers
+ * @params: information about the flow to be processed
+ * @seg: index of packet segment whose header size is to be determined
+ */
+static u16 ice_flow_calc_seg_sz(struct ice_flow_prof_params *params, u8 seg)
+{
+ u16 sz = ICE_FLOW_PROT_HDR_SZ_MAC;
+
+ /* L3 headers */
+ if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV4)
+ sz += ICE_FLOW_PROT_HDR_SZ_IPV4;
+ else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV6)
+ sz += ICE_FLOW_PROT_HDR_SZ_IPV6;
+
+ /* L4 headers */
+ if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_TCP)
+ sz += ICE_FLOW_PROT_HDR_SZ_TCP;
+ else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_UDP)
+ sz += ICE_FLOW_PROT_HDR_SZ_UDP;
+ else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_SCTP)
+ sz += ICE_FLOW_PROT_HDR_SZ_SCTP;
+
+ return sz;
+}
+
/**
* ice_flow_proc_seg_hdrs - process protocol headers present in pkt segments
* @params: information about the flow to be processed
@@ -225,6 +274,12 @@ ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
src = (const unsigned long *)ice_ptypes_sctp_il;
bitmap_and(params->ptypes, params->ptypes, src,
ICE_FLOW_PTYPE_MAX);
+ } else if (hdrs & ICE_FLOW_SEG_HDR_GRE) {
+ if (!i) {
+ src = (const unsigned long *)ice_ptypes_gre_of;
+ bitmap_and(params->ptypes, params->ptypes,
+ src, ICE_FLOW_PTYPE_MAX);
+ }
}
}
@@ -275,6 +330,9 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
prot_id = ICE_PROT_SCTP_IL;
break;
+ case ICE_FLOW_FIELD_IDX_GRE_KEYID:
+ prot_id = ICE_PROT_GRE_OF;
+ break;
default:
return ICE_ERR_NOT_IMPL;
}
@@ -324,6 +382,81 @@ ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
}
/**
+ * ice_flow_xtract_raws - Create extract sequence entries for raw bytes
+ * @hw: pointer to the HW struct
+ * @params: information about the flow to be processed
+ * @seg: index of packet segment whose raw fields are to be be extracted
+ */
+static enum ice_status
+ice_flow_xtract_raws(struct ice_hw *hw, struct ice_flow_prof_params *params,
+ u8 seg)
+{
+ u16 fv_words;
+ u16 hdrs_sz;
+ u8 i;
+
+ if (!params->prof->segs[seg].raws_cnt)
+ return 0;
+
+ if (params->prof->segs[seg].raws_cnt >
+ ARRAY_SIZE(params->prof->segs[seg].raws))
+ return ICE_ERR_MAX_LIMIT;
+
+ /* Offsets within the segment headers are not supported */
+ hdrs_sz = ice_flow_calc_seg_sz(params, seg);
+ if (!hdrs_sz)
+ return ICE_ERR_PARAM;
+
+ fv_words = hw->blk[params->blk].es.fvw;
+
+ for (i = 0; i < params->prof->segs[seg].raws_cnt; i++) {
+ struct ice_flow_seg_fld_raw *raw;
+ u16 off, cnt, j;
+
+ raw = &params->prof->segs[seg].raws[i];
+
+ /* Storing extraction information */
+ raw->info.xtrct.prot_id = ICE_PROT_MAC_OF_OR_S;
+ raw->info.xtrct.off = (raw->off / ICE_FLOW_FV_EXTRACT_SZ) *
+ ICE_FLOW_FV_EXTRACT_SZ;
+ raw->info.xtrct.disp = (raw->off % ICE_FLOW_FV_EXTRACT_SZ) *
+ BITS_PER_BYTE;
+ raw->info.xtrct.idx = params->es_cnt;
+
+ /* Determine the number of field vector entries this raw field
+ * consumes.
+ */
+ cnt = DIV_ROUND_UP(raw->info.xtrct.disp +
+ (raw->info.src.last * BITS_PER_BYTE),
+ (ICE_FLOW_FV_EXTRACT_SZ * BITS_PER_BYTE));
+ off = raw->info.xtrct.off;
+ for (j = 0; j < cnt; j++) {
+ u16 idx;
+
+ /* Make sure the number of extraction sequence required
+ * does not exceed the block's capability
+ */
+ if (params->es_cnt >= hw->blk[params->blk].es.count ||
+ params->es_cnt >= ICE_MAX_FV_WORDS)
+ return ICE_ERR_MAX_LIMIT;
+
+ /* some blocks require a reversed field vector layout */
+ if (hw->blk[params->blk].es.reverse)
+ idx = fv_words - params->es_cnt - 1;
+ else
+ idx = params->es_cnt;
+
+ params->es[idx].prot_id = raw->info.xtrct.prot_id;
+ params->es[idx].off = off;
+ params->es_cnt++;
+ off += ICE_FLOW_FV_EXTRACT_SZ;
+ }
+ }
+
+ return 0;
+}
+
+/**
* ice_flow_create_xtrct_seq - Create an extraction sequence for given segments
* @hw: pointer to the HW struct
* @params: information about the flow to be processed
@@ -349,6 +482,11 @@ ice_flow_create_xtrct_seq(struct ice_hw *hw,
if (status)
return status;
}
+
+ /* Process raw matching bytes */
+ status = ice_flow_xtract_raws(hw, params, i);
+ if (status)
+ return status;
}
return status;
@@ -373,10 +511,8 @@ ice_flow_proc_segs(struct ice_hw *hw, struct ice_flow_prof_params *params)
return status;
switch (params->blk) {
+ case ICE_BLK_FD:
case ICE_BLK_RSS:
- /* Only header information is provided for RSS configuration.
- * No further processing is needed.
- */
status = 0;
break;
default:
@@ -458,6 +594,43 @@ ice_flow_find_prof_id(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
}
/**
+ * ice_dealloc_flow_entry - Deallocate flow entry memory
+ * @hw: pointer to the HW struct
+ * @entry: flow entry to be removed
+ */
+static void
+ice_dealloc_flow_entry(struct ice_hw *hw, struct ice_flow_entry *entry)
+{
+ if (!entry)
+ return;
+
+ if (entry->entry)
+ devm_kfree(ice_hw_to_dev(hw), entry->entry);
+
+ devm_kfree(ice_hw_to_dev(hw), entry);
+}
+
+/**
+ * ice_flow_rem_entry_sync - Remove a flow entry
+ * @hw: pointer to the HW struct
+ * @blk: classification stage
+ * @entry: flow entry to be removed
+ */
+static enum ice_status
+ice_flow_rem_entry_sync(struct ice_hw *hw, enum ice_block __always_unused blk,
+ struct ice_flow_entry *entry)
+{
+ if (!entry)
+ return ICE_ERR_BAD_PTR;
+
+ list_del(&entry->l_entry);
+
+ ice_dealloc_flow_entry(hw, entry);
+
+ return 0;
+}
+
+/**
* ice_flow_add_prof_sync - Add a flow profile for packet segments and fields
* @hw: pointer to the HW struct
* @blk: classification stage
@@ -544,6 +717,21 @@ ice_flow_rem_prof_sync(struct ice_hw *hw, enum ice_block blk,
{
enum ice_status status;
+ /* Remove all remaining flow entries before removing the flow profile */
+ if (!list_empty(&prof->entries)) {
+ struct ice_flow_entry *e, *t;
+
+ mutex_lock(&prof->entries_lock);
+
+ list_for_each_entry_safe(e, t, &prof->entries, l_entry) {
+ status = ice_flow_rem_entry_sync(hw, blk, e);
+ if (status)
+ break;
+ }
+
+ mutex_unlock(&prof->entries_lock);
+ }
+
/* Remove all hardware profiles associated with this flow profile */
status = ice_rem_prof(hw, blk, prof->id);
if (!status) {
@@ -629,7 +817,7 @@ ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
* @segs_cnt: number of packet segments provided
* @prof: stores the returned flow profile added
*/
-static enum ice_status
+enum ice_status
ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
struct ice_flow_prof **prof)
@@ -667,7 +855,7 @@ ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
* @blk: the block for which the flow profile is to be removed
* @prof_id: unique ID of the flow profile to be removed
*/
-static enum ice_status
+enum ice_status
ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
{
struct ice_flow_prof *prof;
@@ -691,6 +879,113 @@ out:
}
/**
+ * ice_flow_add_entry - Add a flow entry
+ * @hw: pointer to the HW struct
+ * @blk: classification stage
+ * @prof_id: ID of the profile to add a new flow entry to
+ * @entry_id: unique ID to identify this flow entry
+ * @vsi_handle: software VSI handle for the flow entry
+ * @prio: priority of the flow entry
+ * @data: pointer to a data buffer containing flow entry's match values/masks
+ * @entry_h: pointer to buffer that receives the new flow entry's handle
+ */
+enum ice_status
+ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
+ u64 entry_id, u16 vsi_handle, enum ice_flow_priority prio,
+ void *data, u64 *entry_h)
+{
+ struct ice_flow_entry *e = NULL;
+ struct ice_flow_prof *prof;
+ enum ice_status status;
+
+ /* No flow entry data is expected for RSS */
+ if (!entry_h || (!data && blk != ICE_BLK_RSS))
+ return ICE_ERR_BAD_PTR;
+
+ if (!ice_is_vsi_valid(hw, vsi_handle))
+ return ICE_ERR_PARAM;
+
+ mutex_lock(&hw->fl_profs_locks[blk]);
+
+ prof = ice_flow_find_prof_id(hw, blk, prof_id);
+ if (!prof) {
+ status = ICE_ERR_DOES_NOT_EXIST;
+ } else {
+ /* Allocate memory for the entry being added and associate
+ * the VSI to the found flow profile
+ */
+ e = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*e), GFP_KERNEL);
+ if (!e)
+ status = ICE_ERR_NO_MEMORY;
+ else
+ status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
+ }
+
+ mutex_unlock(&hw->fl_profs_locks[blk]);
+ if (status)
+ goto out;
+
+ e->id = entry_id;
+ e->vsi_handle = vsi_handle;
+ e->prof = prof;
+ e->priority = prio;
+
+ switch (blk) {
+ case ICE_BLK_FD:
+ case ICE_BLK_RSS:
+ break;
+ default:
+ status = ICE_ERR_NOT_IMPL;
+ goto out;
+ }
+
+ mutex_lock(&prof->entries_lock);
+ list_add(&e->l_entry, &prof->entries);
+ mutex_unlock(&prof->entries_lock);
+
+ *entry_h = ICE_FLOW_ENTRY_HNDL(e);
+
+out:
+ if (status && e) {
+ if (e->entry)
+ devm_kfree(ice_hw_to_dev(hw), e->entry);
+ devm_kfree(ice_hw_to_dev(hw), e);
+ }
+
+ return status;
+}
+
+/**
+ * ice_flow_rem_entry - Remove a flow entry
+ * @hw: pointer to the HW struct
+ * @blk: classification stage
+ * @entry_h: handle to the flow entry to be removed
+ */
+enum ice_status ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk,
+ u64 entry_h)
+{
+ struct ice_flow_entry *entry;
+ struct ice_flow_prof *prof;
+ enum ice_status status = 0;
+
+ if (entry_h == ICE_FLOW_ENTRY_HANDLE_INVAL)
+ return ICE_ERR_PARAM;
+
+ entry = ICE_FLOW_ENTRY_PTR(entry_h);
+
+ /* Retain the pointer to the flow profile as the entry will be freed */
+ prof = entry->prof;
+
+ if (prof) {
+ mutex_lock(&prof->entries_lock);
+ status = ice_flow_rem_entry_sync(hw, blk, entry);
+ mutex_unlock(&prof->entries_lock);
+ }
+
+ return status;
+}
+
+/**
* ice_flow_set_fld_ext - specifies locations of field from entry's input buffer
* @seg: packet segment the field being set belongs to
* @fld: field to be set
@@ -752,7 +1047,7 @@ ice_flow_set_fld_ext(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
* create the content of a match entry. This function should only be used for
* fixed-size data structures.
*/
-static void
+void
ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
u16 val_loc, u16 mask_loc, u16 last_loc, bool range)
{
@@ -762,6 +1057,42 @@ ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
ice_flow_set_fld_ext(seg, fld, t, val_loc, mask_loc, last_loc);
}
+/**
+ * ice_flow_add_fld_raw - sets locations of a raw field from entry's input buf
+ * @seg: packet segment the field being set belongs to
+ * @off: offset of the raw field from the beginning of the segment in bytes
+ * @len: length of the raw pattern to be matched
+ * @val_loc: location of the value to match from entry's input buffer
+ * @mask_loc: location of mask value from entry's input buffer
+ *
+ * This function specifies the offset of the raw field to be match from the
+ * beginning of the specified packet segment, and the locations, in the form of
+ * byte offsets from the start of the input buffer for a flow entry, from where
+ * the value to match and the mask value to be extracted. These locations are
+ * then stored in the flow profile. When adding flow entries to the associated
+ * flow profile, these locations can be used to quickly extract the values to
+ * create the content of a match entry. This function should only be used for
+ * fixed-size data structures.
+ */
+void
+ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
+ u16 val_loc, u16 mask_loc)
+{
+ if (seg->raws_cnt < ICE_FLOW_SEG_RAW_FLD_MAX) {
+ seg->raws[seg->raws_cnt].off = off;
+ seg->raws[seg->raws_cnt].info.type = ICE_FLOW_FLD_TYPE_SIZE;
+ seg->raws[seg->raws_cnt].info.src.val = val_loc;
+ seg->raws[seg->raws_cnt].info.src.mask = mask_loc;
+ /* The "last" field is used to store the length of the field */
+ seg->raws[seg->raws_cnt].info.src.last = len;
+ }
+
+ /* Overflows of "raws" will be handled as an error condition later in
+ * the flow when this information is processed.
+ */
+ seg->raws_cnt++;
+}
+
#define ICE_FLOW_RSS_SEG_HDR_L3_MASKS \
(ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6)
@@ -945,6 +1276,7 @@ ice_add_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
#define ICE_FLOW_PROF_ENCAP_M (BIT_ULL(ICE_FLOW_PROF_ENCAP_S))
#define ICE_RSS_OUTER_HEADERS 1
+#define ICE_RSS_INNER_HEADERS 2
/* Flow profile ID format:
* [0:31] - Packet match fields
@@ -1085,6 +1417,9 @@ ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
mutex_lock(&hw->rss_locks);
status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
ICE_RSS_OUTER_HEADERS);
+ if (!status)
+ status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds,
+ addl_hdrs, ICE_RSS_INNER_HEADERS);
mutex_unlock(&hw->rss_locks);
return status;
@@ -1238,6 +1573,12 @@ enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
ICE_RSS_OUTER_HEADERS);
if (status)
break;
+ status = ice_add_rss_cfg_sync(hw, vsi_handle,
+ r->hashed_flds,
+ r->packet_hdr,
+ ICE_RSS_INNER_HEADERS);
+ if (status)
+ break;
}
}
mutex_unlock(&hw->rss_locks);
diff --git a/drivers/net/ethernet/intel/ice/ice_flow.h b/drivers/net/ethernet/intel/ice/ice_flow.h
index 5558627bd5eb..3913da2116d2 100644
--- a/drivers/net/ethernet/intel/ice/ice_flow.h
+++ b/drivers/net/ethernet/intel/ice/ice_flow.h
@@ -43,6 +43,7 @@ enum ice_flow_seg_hdr {
ICE_FLOW_SEG_HDR_TCP = 0x00000040,
ICE_FLOW_SEG_HDR_UDP = 0x00000080,
ICE_FLOW_SEG_HDR_SCTP = 0x00000100,
+ ICE_FLOW_SEG_HDR_GRE = 0x00000200,
};
enum ice_flow_field {
@@ -58,6 +59,8 @@ enum ice_flow_field {
ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
+ /* GRE */
+ ICE_FLOW_FIELD_IDX_GRE_KEYID,
/* The total number of enums must not exceed 64 */
ICE_FLOW_FIELD_IDX_MAX
};
@@ -125,6 +128,7 @@ enum ice_flow_priority {
};
#define ICE_FLOW_SEG_MAX 2
+#define ICE_FLOW_SEG_RAW_FLD_MAX 2
#define ICE_FLOW_FV_EXTRACT_SZ 2
#define ICE_FLOW_SET_HDRS(seg, val) ((seg)->hdrs |= (u32)(val))
@@ -161,14 +165,38 @@ struct ice_flow_fld_info {
struct ice_flow_seg_xtrct xtrct;
};
+struct ice_flow_seg_fld_raw {
+ struct ice_flow_fld_info info;
+ u16 off; /* Offset from the start of the segment */
+};
+
struct ice_flow_seg_info {
u32 hdrs; /* Bitmask indicating protocol headers present */
u64 match; /* Bitmask indicating header fields to be matched */
u64 range; /* Bitmask indicating header fields matched as ranges */
struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
+
+ u8 raws_cnt; /* Number of raw fields to be matched */
+ struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
};
+/* This structure describes a flow entry, and is tracked only in this file */
+struct ice_flow_entry {
+ struct list_head l_entry;
+
+ u64 id;
+ struct ice_flow_prof *prof;
+ /* Flow entry's content */
+ void *entry;
+ enum ice_flow_priority priority;
+ u16 vsi_handle;
+ u16 entry_sz;
+};
+
+#define ICE_FLOW_ENTRY_HNDL(e) ((u64)e)
+#define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(h))
+
struct ice_flow_prof {
struct list_head l_entry;
@@ -194,7 +222,24 @@ struct ice_rss_cfg {
u32 packet_hdr;
};
-enum ice_status ice_flow_rem_entry(struct ice_hw *hw, u64 entry_h);
+enum ice_status
+ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
+ u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
+ struct ice_flow_prof **prof);
+enum ice_status
+ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
+enum ice_status
+ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
+ u64 entry_id, u16 vsi, enum ice_flow_priority prio,
+ void *data, u64 *entry_h);
+enum ice_status
+ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
+void
+ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
+ u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
+void
+ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
+ u16 val_loc, u16 mask_loc);
void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
enum ice_status
diff --git a/drivers/net/ethernet/intel/ice/ice_fltr.c b/drivers/net/ethernet/intel/ice/ice_fltr.c
new file mode 100644
index 000000000000..2418d4fff037
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_fltr.c
@@ -0,0 +1,397 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#include "ice.h"
+#include "ice_fltr.h"
+
+/**
+ * ice_fltr_free_list - free filter lists helper
+ * @dev: pointer to the device struct
+ * @h: pointer to the list head to be freed
+ *
+ * Helper function to free filter lists previously created using
+ * ice_fltr_add_mac_to_list
+ */
+void ice_fltr_free_list(struct device *dev, struct list_head *h)
+{
+ struct ice_fltr_list_entry *e, *tmp;
+
+ list_for_each_entry_safe(e, tmp, h, list_entry) {
+ list_del(&e->list_entry);
+ devm_kfree(dev, e);
+ }
+}
+
+/**
+ * ice_fltr_add_entry_to_list - allocate and add filter entry to list
+ * @dev: pointer to device needed by alloc function
+ * @info: filter info struct that gets added to the passed in list
+ * @list: pointer to the list which contains MAC filters entry
+ */
+static int
+ice_fltr_add_entry_to_list(struct device *dev, struct ice_fltr_info *info,
+ struct list_head *list)
+{
+ struct ice_fltr_list_entry *entry;
+
+ entry = devm_kzalloc(dev, sizeof(*entry), GFP_ATOMIC);
+ if (!entry)
+ return -ENOMEM;
+
+ entry->fltr_info = *info;
+
+ INIT_LIST_HEAD(&entry->list_entry);
+ list_add(&entry->list_entry, list);
+
+ return 0;
+}
+
+/**
+ * ice_fltr_add_mac_list - add list of MAC filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+enum ice_status
+ice_fltr_add_mac_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_add_mac(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_remove_mac_list - remove list of MAC filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+enum ice_status
+ice_fltr_remove_mac_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_remove_mac(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_add_vlan_list - add list of VLAN filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+static enum ice_status
+ice_fltr_add_vlan_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_add_vlan(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_remove_vlan_list - remove list of VLAN filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+static enum ice_status
+ice_fltr_remove_vlan_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_remove_vlan(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_add_eth_list - add list of ethertype filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+static enum ice_status
+ice_fltr_add_eth_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_add_eth_mac(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_remove_eth_list - remove list of ethertype filters
+ * @vsi: pointer to VSI struct
+ * @list: list of filters
+ */
+static enum ice_status
+ice_fltr_remove_eth_list(struct ice_vsi *vsi, struct list_head *list)
+{
+ return ice_remove_eth_mac(&vsi->back->hw, list);
+}
+
+/**
+ * ice_fltr_remove_all - remove all filters associated with VSI
+ * @vsi: pointer to VSI struct
+ */
+void ice_fltr_remove_all(struct ice_vsi *vsi)
+{
+ ice_remove_vsi_fltr(&vsi->back->hw, vsi->idx);
+}
+
+/**
+ * ice_fltr_add_mac_to_list - add MAC filter info to exsisting list
+ * @vsi: pointer to VSI struct
+ * @list: list to add filter info to
+ * @mac: MAC address to add
+ * @action: filter action
+ */
+int
+ice_fltr_add_mac_to_list(struct ice_vsi *vsi, struct list_head *list,
+ const u8 *mac, enum ice_sw_fwd_act_type action)
+{
+ struct ice_fltr_info info = { 0 };
+
+ info.flag = ICE_FLTR_TX;
+ info.src_id = ICE_SRC_ID_VSI;
+ info.lkup_type = ICE_SW_LKUP_MAC;
+ info.fltr_act = action;
+ info.vsi_handle = vsi->idx;
+
+ ether_addr_copy(info.l_data.mac.mac_addr, mac);
+
+ return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
+ list);
+}
+
+/**
+ * ice_fltr_add_vlan_to_list - add VLAN filter info to exsisting list
+ * @vsi: pointer to VSI struct
+ * @list: list to add filter info to
+ * @vlan_id: VLAN ID to add
+ * @action: filter action
+ */
+static int
+ice_fltr_add_vlan_to_list(struct ice_vsi *vsi, struct list_head *list,
+ u16 vlan_id, enum ice_sw_fwd_act_type action)
+{
+ struct ice_fltr_info info = { 0 };
+
+ info.flag = ICE_FLTR_TX;
+ info.src_id = ICE_SRC_ID_VSI;
+ info.lkup_type = ICE_SW_LKUP_VLAN;
+ info.fltr_act = action;
+ info.vsi_handle = vsi->idx;
+ info.l_data.vlan.vlan_id = vlan_id;
+
+ return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
+ list);
+}
+
+/**
+ * ice_fltr_add_eth_to_list - add ethertype filter info to exsisting list
+ * @vsi: pointer to VSI struct
+ * @list: list to add filter info to
+ * @ethertype: ethertype of packet that matches filter
+ * @flag: filter direction, Tx or Rx
+ * @action: filter action
+ */
+static int
+ice_fltr_add_eth_to_list(struct ice_vsi *vsi, struct list_head *list,
+ u16 ethertype, u16 flag,
+ enum ice_sw_fwd_act_type action)
+{
+ struct ice_fltr_info info = { 0 };
+
+ info.flag = flag;
+ info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
+ info.fltr_act = action;
+ info.vsi_handle = vsi->idx;
+ info.l_data.ethertype_mac.ethertype = ethertype;
+
+ if (flag == ICE_FLTR_TX)
+ info.src_id = ICE_SRC_ID_VSI;
+ else
+ info.src_id = ICE_SRC_ID_LPORT;
+
+ return ice_fltr_add_entry_to_list(ice_pf_to_dev(vsi->back), &info,
+ list);
+}
+
+/**
+ * ice_fltr_prepare_mac - add or remove MAC rule
+ * @vsi: pointer to VSI struct
+ * @mac: MAC address to add
+ * @action: action to be performed on filter match
+ * @mac_action: pointer to add or remove MAC function
+ */
+static enum ice_status
+ice_fltr_prepare_mac(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action,
+ enum ice_status (*mac_action)(struct ice_vsi *,
+ struct list_head *))
+{
+ enum ice_status result;
+ LIST_HEAD(tmp_list);
+
+ if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action)) {
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return ICE_ERR_NO_MEMORY;
+ }
+
+ result = mac_action(vsi, &tmp_list);
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return result;
+}
+
+/**
+ * ice_fltr_prepare_mac_and_broadcast - add or remove MAC and broadcast filter
+ * @vsi: pointer to VSI struct
+ * @mac: MAC address to add
+ * @action: action to be performed on filter match
+ * @mac_action: pointer to add or remove MAC function
+ */
+static enum ice_status
+ice_fltr_prepare_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action,
+ enum ice_status(*mac_action)
+ (struct ice_vsi *, struct list_head *))
+{
+ u8 broadcast[ETH_ALEN];
+ enum ice_status result;
+ LIST_HEAD(tmp_list);
+
+ eth_broadcast_addr(broadcast);
+ if (ice_fltr_add_mac_to_list(vsi, &tmp_list, mac, action) ||
+ ice_fltr_add_mac_to_list(vsi, &tmp_list, broadcast, action)) {
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return ICE_ERR_NO_MEMORY;
+ }
+
+ result = mac_action(vsi, &tmp_list);
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return result;
+}
+
+/**
+ * ice_fltr_prepare_vlan - add or remove VLAN filter
+ * @vsi: pointer to VSI struct
+ * @vlan_id: VLAN ID to add
+ * @action: action to be performed on filter match
+ * @vlan_action: pointer to add or remove VLAN function
+ */
+static enum ice_status
+ice_fltr_prepare_vlan(struct ice_vsi *vsi, u16 vlan_id,
+ enum ice_sw_fwd_act_type action,
+ enum ice_status (*vlan_action)(struct ice_vsi *,
+ struct list_head *))
+{
+ enum ice_status result;
+ LIST_HEAD(tmp_list);
+
+ if (ice_fltr_add_vlan_to_list(vsi, &tmp_list, vlan_id, action))
+ return ICE_ERR_NO_MEMORY;
+
+ result = vlan_action(vsi, &tmp_list);
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return result;
+}
+
+/**
+ * ice_fltr_prepare_eth - add or remove ethertype filter
+ * @vsi: pointer to VSI struct
+ * @ethertype: ethertype of packet to be filtered
+ * @flag: direction of packet, Tx or Rx
+ * @action: action to be performed on filter match
+ * @eth_action: pointer to add or remove ethertype function
+ */
+static enum ice_status
+ice_fltr_prepare_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
+ enum ice_sw_fwd_act_type action,
+ enum ice_status (*eth_action)(struct ice_vsi *,
+ struct list_head *))
+{
+ enum ice_status result;
+ LIST_HEAD(tmp_list);
+
+ if (ice_fltr_add_eth_to_list(vsi, &tmp_list, ethertype, flag, action))
+ return ICE_ERR_NO_MEMORY;
+
+ result = eth_action(vsi, &tmp_list);
+ ice_fltr_free_list(ice_pf_to_dev(vsi->back), &tmp_list);
+ return result;
+}
+
+/**
+ * ice_fltr_add_mac - add single MAC filter
+ * @vsi: pointer to VSI struct
+ * @mac: MAC to add
+ * @action: action to be performed on filter match
+ */
+enum ice_status ice_fltr_add_mac(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_add_mac_list);
+}
+
+/**
+ * ice_fltr_add_mac_and_broadcast - add single MAC and broadcast
+ * @vsi: pointer to VSI struct
+ * @mac: MAC to add
+ * @action: action to be performed on filter match
+ */
+enum ice_status
+ice_fltr_add_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_mac_and_broadcast(vsi, mac, action,
+ ice_fltr_add_mac_list);
+}
+
+/**
+ * ice_fltr_remove_mac - remove MAC filter
+ * @vsi: pointer to VSI struct
+ * @mac: filter MAC to remove
+ * @action: action to remove
+ */
+enum ice_status ice_fltr_remove_mac(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_mac(vsi, mac, action, ice_fltr_remove_mac_list);
+}
+
+/**
+ * ice_fltr_add_vlan - add single VLAN filter
+ * @vsi: pointer to VSI struct
+ * @vlan_id: VLAN ID to add
+ * @action: action to be performed on filter match
+ */
+enum ice_status ice_fltr_add_vlan(struct ice_vsi *vsi, u16 vlan_id,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_vlan(vsi, vlan_id, action,
+ ice_fltr_add_vlan_list);
+}
+
+/**
+ * ice_fltr_remove_vlan - remove VLAN filter
+ * @vsi: pointer to VSI struct
+ * @vlan_id: filter VLAN to remove
+ * @action: action to remove
+ */
+enum ice_status ice_fltr_remove_vlan(struct ice_vsi *vsi, u16 vlan_id,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_vlan(vsi, vlan_id, action,
+ ice_fltr_remove_vlan_list);
+}
+
+/**
+ * ice_fltr_add_eth - add specyfic ethertype filter
+ * @vsi: pointer to VSI struct
+ * @ethertype: ethertype of filter
+ * @flag: direction of packet to be filtered, Tx or Rx
+ * @action: action to be performed on filter match
+ */
+enum ice_status ice_fltr_add_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
+ enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
+ ice_fltr_add_eth_list);
+}
+
+/**
+ * ice_fltr_remove_eth - remove ethertype filter
+ * @vsi: pointer to VSI struct
+ * @ethertype: ethertype of filter
+ * @flag: direction of filter
+ * @action: action to remove
+ */
+enum ice_status ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype,
+ u16 flag, enum ice_sw_fwd_act_type action)
+{
+ return ice_fltr_prepare_eth(vsi, ethertype, flag, action,
+ ice_fltr_remove_eth_list);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_fltr.h b/drivers/net/ethernet/intel/ice/ice_fltr.h
new file mode 100644
index 000000000000..361cb4da9b43
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_fltr.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2018-2020, Intel Corporation. */
+
+#ifndef _ICE_FLTR_H_
+#define _ICE_FLTR_H_
+
+void ice_fltr_free_list(struct device *dev, struct list_head *h);
+enum ice_status
+ice_fltr_add_mac_to_list(struct ice_vsi *vsi, struct list_head *list,
+ const u8 *mac, enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_add_mac(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_add_mac_and_broadcast(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_add_mac_list(struct ice_vsi *vsi, struct list_head *list);
+enum ice_status
+ice_fltr_remove_mac(struct ice_vsi *vsi, const u8 *mac,
+ enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_remove_mac_list(struct ice_vsi *vsi, struct list_head *list);
+
+enum ice_status
+ice_fltr_add_vlan(struct ice_vsi *vsi, u16 vid,
+ enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_remove_vlan(struct ice_vsi *vsi, u16 vid,
+ enum ice_sw_fwd_act_type action);
+
+enum ice_status
+ice_fltr_add_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
+ enum ice_sw_fwd_act_type action);
+enum ice_status
+ice_fltr_remove_eth(struct ice_vsi *vsi, u16 ethertype, u16 flag,
+ enum ice_sw_fwd_act_type action);
+void ice_fltr_remove_all(struct ice_vsi *vsi);
+#endif
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
index 1d37a9f02c1c..1086c9f778b4 100644
--- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
+++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
@@ -6,9 +6,6 @@
#ifndef _ICE_HW_AUTOGEN_H_
#define _ICE_HW_AUTOGEN_H_
-#define PF0INT_ITR_0(_i) (0x03000004 + ((_i) * 4096))
-#define PF0INT_ITR_1(_i) (0x03000008 + ((_i) * 4096))
-#define PF0INT_ITR_2(_i) (0x0300000C + ((_i) * 4096))
#define QTX_COMM_DBELL(_DBQM) (0x002C0000 + ((_DBQM) * 4))
#define QTX_COMM_HEAD(_DBQM) (0x000E0000 + ((_DBQM) * 4))
#define QTX_COMM_HEAD_HEAD_S 0
@@ -42,6 +39,7 @@
#define PF_MBX_ARQH_ARQH_M ICE_M(0x3FF, 0)
#define PF_MBX_ARQLEN 0x0022E480
#define PF_MBX_ARQLEN_ARQLEN_M ICE_M(0x3FF, 0)
+#define PF_MBX_ARQLEN_ARQCRIT_M BIT(30)
#define PF_MBX_ARQLEN_ARQENABLE_M BIT(31)
#define PF_MBX_ARQT 0x0022E580
#define PF_MBX_ATQBAH 0x0022E180
@@ -50,6 +48,7 @@
#define PF_MBX_ATQH_ATQH_M ICE_M(0x3FF, 0)
#define PF_MBX_ATQLEN 0x0022E200
#define PF_MBX_ATQLEN_ATQLEN_M ICE_M(0x3FF, 0)
+#define PF_MBX_ATQLEN_ATQCRIT_M BIT(30)
#define PF_MBX_ATQLEN_ATQENABLE_M BIT(31)
#define PF_MBX_ATQT 0x0022E300
#define PRTDCB_GENC 0x00083000
@@ -58,6 +57,7 @@
#define PRTDCB_GENS 0x00083020
#define PRTDCB_GENS_DCBX_STATUS_S 0
#define PRTDCB_GENS_DCBX_STATUS_M ICE_M(0x7, 0)
+#define PRTDCB_TUP2TC 0x001D26C0 /* Reset Source: CORER */
#define GL_PREEXT_L2_PMASK0(_i) (0x0020F0FC + ((_i) * 4))
#define GL_PREEXT_L2_PMASK1(_i) (0x0020F108 + ((_i) * 4))
#define GLFLXP_RXDID_FLX_WRD_0(_i) (0x0045c800 + ((_i) * 4))
@@ -218,6 +218,11 @@
#define VPLAN_TX_QBASE_VFNUMQ_M ICE_M(0xFF, 16)
#define VPLAN_TXQ_MAPENA(_VF) (0x00073800 + ((_VF) * 4))
#define VPLAN_TXQ_MAPENA_TX_ENA_M BIT(0)
+#define PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA(_i) (0x001E36E0 + ((_i) * 32))
+#define PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_MAX_INDEX 8
+#define PRTMAC_HSEC_CTL_TX_PAUSE_QUANTA_HSEC_CTL_TX_PAUSE_QUANTA_M ICE_M(0xFFFF, 0)
+#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER(_i) (0x001E3800 + ((_i) * 32))
+#define PRTMAC_HSEC_CTL_TX_PAUSE_REFRESH_TIMER_M ICE_M(0xFFFF, 0)
#define GL_MDCK_TX_TDPU 0x00049348
#define GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M BIT(1)
#define GL_MDET_RX 0x00294C00
@@ -289,6 +294,20 @@
#define GL_PWR_MODE_CTL 0x000B820C
#define GL_PWR_MODE_CTL_CAR_MAX_BW_S 30
#define GL_PWR_MODE_CTL_CAR_MAX_BW_M ICE_M(0x3, 30)
+#define GLQF_FD_CNT 0x00460018
+#define GLQF_FD_CNT_FD_BCNT_S 16
+#define GLQF_FD_CNT_FD_BCNT_M ICE_M(0x7FFF, 16)
+#define GLQF_FD_SIZE 0x00460010
+#define GLQF_FD_SIZE_FD_GSIZE_S 0
+#define GLQF_FD_SIZE_FD_GSIZE_M ICE_M(0x7FFF, 0)
+#define GLQF_FD_SIZE_FD_BSIZE_S 16
+#define GLQF_FD_SIZE_FD_BSIZE_M ICE_M(0x7FFF, 16)
+#define GLQF_FDINSET(_i, _j) (0x00412000 + ((_i) * 4 + (_j) * 512))
+#define GLQF_FDMASK_SEL(_i) (0x00410400 + ((_i) * 4))
+#define GLQF_FDSWAP(_i, _j) (0x00413000 + ((_i) * 4 + (_j) * 512))
+#define PFQF_FD_ENA 0x0043A000
+#define PFQF_FD_ENA_FD_ENA_M BIT(0)
+#define PFQF_FD_SIZE 0x00460100
#define GLDCB_RTCTQ_RXQNUM_S 0
#define GLDCB_RTCTQ_RXQNUM_M ICE_M(0x7FF, 0)
#define GLPRT_BPRCL(_i) (0x00381380 + ((_i) * 8))
@@ -332,6 +351,7 @@
#define GLPRT_TDOLD(_i) (0x00381280 + ((_i) * 8))
#define GLPRT_UPRCL(_i) (0x00381300 + ((_i) * 8))
#define GLPRT_UPTCL(_i) (0x003811C0 + ((_i) * 8))
+#define GLSTAT_FD_CNT0L(_i) (0x003A0000 + ((_i) * 8))
#define GLV_BPRCL(_i) (0x003B6000 + ((_i) * 8))
#define GLV_BPTCL(_i) (0x0030E000 + ((_i) * 8))
#define GLV_GORCL(_i) (0x003B0000 + ((_i) * 8))
@@ -342,6 +362,9 @@
#define GLV_TEPC(_VSI) (0x00312000 + ((_VSI) * 4))
#define GLV_UPRCL(_i) (0x003B2000 + ((_i) * 8))
#define GLV_UPTCL(_i) (0x0030A000 + ((_i) * 8))
+#define VSIQF_FD_CNT(_VSI) (0x00464000 + ((_VSI) * 4))
+#define VSIQF_FD_CNT_FD_GCNT_S 0
+#define VSIQF_FD_CNT_FD_GCNT_M ICE_M(0x3FFF, 0)
#define VSIQF_HKEY_MAX_INDEX 12
#define VSIQF_HLUT_MAX_INDEX 15
#define VFINT_DYN_CTLN(_i) (0x00003800 + ((_i) * 4))
diff --git a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
index 878e125d8b42..14dfbbc1b2cf 100644
--- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
+++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h
@@ -40,6 +40,104 @@ union ice_32byte_rx_desc {
} wb; /* writeback */
};
+struct ice_fltr_desc {
+ __le64 qidx_compq_space_stat;
+ __le64 dtype_cmd_vsi_fdid;
+};
+
+#define ICE_FXD_FLTR_QW0_QINDEX_S 0
+#define ICE_FXD_FLTR_QW0_QINDEX_M (0x7FFULL << ICE_FXD_FLTR_QW0_QINDEX_S)
+#define ICE_FXD_FLTR_QW0_COMP_Q_S 11
+#define ICE_FXD_FLTR_QW0_COMP_Q_M BIT_ULL(ICE_FXD_FLTR_QW0_COMP_Q_S)
+#define ICE_FXD_FLTR_QW0_COMP_Q_ZERO 0x0ULL
+
+#define ICE_FXD_FLTR_QW0_COMP_REPORT_S 12
+#define ICE_FXD_FLTR_QW0_COMP_REPORT_M \
+ (0x3ULL << ICE_FXD_FLTR_QW0_COMP_REPORT_S)
+#define ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL 0x1ULL
+
+#define ICE_FXD_FLTR_QW0_FD_SPACE_S 14
+#define ICE_FXD_FLTR_QW0_FD_SPACE_M (0x3ULL << ICE_FXD_FLTR_QW0_FD_SPACE_S)
+#define ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST 0x2ULL
+
+#define ICE_FXD_FLTR_QW0_STAT_CNT_S 16
+#define ICE_FXD_FLTR_QW0_STAT_CNT_M \
+ (0x1FFFULL << ICE_FXD_FLTR_QW0_STAT_CNT_S)
+#define ICE_FXD_FLTR_QW0_STAT_ENA_S 29
+#define ICE_FXD_FLTR_QW0_STAT_ENA_M (0x3ULL << ICE_FXD_FLTR_QW0_STAT_ENA_S)
+#define ICE_FXD_FLTR_QW0_STAT_ENA_PKTS 0x1ULL
+
+#define ICE_FXD_FLTR_QW0_EVICT_ENA_S 31
+#define ICE_FXD_FLTR_QW0_EVICT_ENA_M BIT_ULL(ICE_FXD_FLTR_QW0_EVICT_ENA_S)
+#define ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE 0x0ULL
+#define ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE 0x1ULL
+
+#define ICE_FXD_FLTR_QW0_TO_Q_S 32
+#define ICE_FXD_FLTR_QW0_TO_Q_M (0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_S)
+#define ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX 0x0ULL
+
+#define ICE_FXD_FLTR_QW0_TO_Q_PRI_S 35
+#define ICE_FXD_FLTR_QW0_TO_Q_PRI_M (0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_PRI_S)
+#define ICE_FXD_FLTR_QW0_TO_Q_PRIO1 0x1ULL
+
+#define ICE_FXD_FLTR_QW0_DPU_RECIPE_S 38
+#define ICE_FXD_FLTR_QW0_DPU_RECIPE_M \
+ (0x3ULL << ICE_FXD_FLTR_QW0_DPU_RECIPE_S)
+#define ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT 0x0ULL
+
+#define ICE_FXD_FLTR_QW0_DROP_S 40
+#define ICE_FXD_FLTR_QW0_DROP_M BIT_ULL(ICE_FXD_FLTR_QW0_DROP_S)
+#define ICE_FXD_FLTR_QW0_DROP_NO 0x0ULL
+#define ICE_FXD_FLTR_QW0_DROP_YES 0x1ULL
+
+#define ICE_FXD_FLTR_QW0_FLEX_PRI_S 41
+#define ICE_FXD_FLTR_QW0_FLEX_PRI_M (0x7ULL << ICE_FXD_FLTR_QW0_FLEX_PRI_S)
+#define ICE_FXD_FLTR_QW0_FLEX_PRI_NONE 0x0ULL
+
+#define ICE_FXD_FLTR_QW0_FLEX_MDID_S 44
+#define ICE_FXD_FLTR_QW0_FLEX_MDID_M (0xFULL << ICE_FXD_FLTR_QW0_FLEX_MDID_S)
+#define ICE_FXD_FLTR_QW0_FLEX_MDID0 0x0ULL
+
+#define ICE_FXD_FLTR_QW0_FLEX_VAL_S 48
+#define ICE_FXD_FLTR_QW0_FLEX_VAL_M \
+ (0xFFFFULL << ICE_FXD_FLTR_QW0_FLEX_VAL_S)
+#define ICE_FXD_FLTR_QW0_FLEX_VAL0 0x0ULL
+
+#define ICE_FXD_FLTR_QW1_DTYPE_S 0
+#define ICE_FXD_FLTR_QW1_DTYPE_M (0xFULL << ICE_FXD_FLTR_QW1_DTYPE_S)
+#define ICE_FXD_FLTR_QW1_PCMD_S 4
+#define ICE_FXD_FLTR_QW1_PCMD_M BIT_ULL(ICE_FXD_FLTR_QW1_PCMD_S)
+#define ICE_FXD_FLTR_QW1_PCMD_ADD 0x0ULL
+#define ICE_FXD_FLTR_QW1_PCMD_REMOVE 0x1ULL
+
+#define ICE_FXD_FLTR_QW1_PROF_PRI_S 5
+#define ICE_FXD_FLTR_QW1_PROF_PRI_M (0x7ULL << ICE_FXD_FLTR_QW1_PROF_PRI_S)
+#define ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO 0x0ULL
+
+#define ICE_FXD_FLTR_QW1_PROF_S 8
+#define ICE_FXD_FLTR_QW1_PROF_M (0x3FULL << ICE_FXD_FLTR_QW1_PROF_S)
+#define ICE_FXD_FLTR_QW1_PROF_ZERO 0x0ULL
+
+#define ICE_FXD_FLTR_QW1_FD_VSI_S 14
+#define ICE_FXD_FLTR_QW1_FD_VSI_M (0x3FFULL << ICE_FXD_FLTR_QW1_FD_VSI_S)
+#define ICE_FXD_FLTR_QW1_SWAP_S 24
+#define ICE_FXD_FLTR_QW1_SWAP_M BIT_ULL(ICE_FXD_FLTR_QW1_SWAP_S)
+#define ICE_FXD_FLTR_QW1_SWAP_NOT_SET 0x0ULL
+#define ICE_FXD_FLTR_QW1_SWAP_SET 0x1ULL
+
+#define ICE_FXD_FLTR_QW1_FDID_PRI_S 25
+#define ICE_FXD_FLTR_QW1_FDID_PRI_M (0x7ULL << ICE_FXD_FLTR_QW1_FDID_PRI_S)
+#define ICE_FXD_FLTR_QW1_FDID_PRI_ONE 0x1ULL
+
+#define ICE_FXD_FLTR_QW1_FDID_MDID_S 28
+#define ICE_FXD_FLTR_QW1_FDID_MDID_M (0xFULL << ICE_FXD_FLTR_QW1_FDID_MDID_S)
+#define ICE_FXD_FLTR_QW1_FDID_MDID_FD 0x05ULL
+
+#define ICE_FXD_FLTR_QW1_FDID_S 32
+#define ICE_FXD_FLTR_QW1_FDID_M \
+ (0xFFFFFFFFULL << ICE_FXD_FLTR_QW1_FDID_S)
+#define ICE_FXD_FLTR_QW1_FDID_ZERO 0x0ULL
+
struct ice_rx_ptype_decoded {
u32 ptype:10;
u32 known:1;
@@ -262,6 +360,12 @@ enum ice_rx_flex_desc_status_error_0_bits {
ICE_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
};
+enum ice_rx_flex_desc_status_error_1_bits {
+ /* Note: These are predefined bit offsets */
+ ICE_RX_FLEX_DESC_STATUS1_NAT_S = 4,
+ ICE_RX_FLEX_DESC_STATUS1_LAST /* this entry must be last!!! */
+};
+
#define ICE_RXQ_CTX_SIZE_DWORDS 8
#define ICE_RXQ_CTX_SZ (ICE_RXQ_CTX_SIZE_DWORDS * sizeof(u32))
#define ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS 22
@@ -340,6 +444,7 @@ struct ice_tx_desc {
enum ice_tx_desc_dtype_value {
ICE_TX_DESC_DTYPE_DATA = 0x0,
ICE_TX_DESC_DTYPE_CTX = 0x1,
+ ICE_TX_DESC_DTYPE_FLTR_PROG = 0x8,
/* DESC_DONE - HW has completed write-back of descriptor */
ICE_TX_DESC_DTYPE_DESC_DONE = 0xF,
};
@@ -351,12 +456,14 @@ enum ice_tx_desc_cmd_bits {
ICE_TX_DESC_CMD_EOP = 0x0001,
ICE_TX_DESC_CMD_RS = 0x0002,
ICE_TX_DESC_CMD_IL2TAG1 = 0x0008,
+ ICE_TX_DESC_CMD_DUMMY = 0x0010,
ICE_TX_DESC_CMD_IIPT_IPV6 = 0x0020,
ICE_TX_DESC_CMD_IIPT_IPV4 = 0x0040,
ICE_TX_DESC_CMD_IIPT_IPV4_CSUM = 0x0060,
ICE_TX_DESC_CMD_L4T_EOFT_TCP = 0x0100,
ICE_TX_DESC_CMD_L4T_EOFT_SCTP = 0x0200,
ICE_TX_DESC_CMD_L4T_EOFT_UDP = 0x0300,
+ ICE_TX_DESC_CMD_RE = 0x0400,
};
#define ICE_TXD_QW1_OFFSET_S 16
@@ -413,6 +520,25 @@ enum ice_tx_ctx_desc_cmd_bits {
ICE_TX_CTX_DESC_RESERVED = 0x40
};
+enum ice_tx_ctx_desc_eipt_offload {
+ ICE_TX_CTX_EIPT_NONE = 0x0,
+ ICE_TX_CTX_EIPT_IPV6 = 0x1,
+ ICE_TX_CTX_EIPT_IPV4_NO_CSUM = 0x2,
+ ICE_TX_CTX_EIPT_IPV4 = 0x3
+};
+
+#define ICE_TXD_CTX_QW0_EIPLEN_S 2
+
+#define ICE_TXD_CTX_QW0_L4TUNT_S 9
+
+#define ICE_TXD_CTX_UDP_TUNNELING BIT_ULL(ICE_TXD_CTX_QW0_L4TUNT_S)
+#define ICE_TXD_CTX_GRE_TUNNELING (0x2ULL << ICE_TXD_CTX_QW0_L4TUNT_S)
+
+#define ICE_TXD_CTX_QW0_NATLEN_S 12
+
+#define ICE_TXD_CTX_QW0_L4T_CS_S 23
+#define ICE_TXD_CTX_QW0_L4T_CS_M BIT_ULL(ICE_TXD_CTX_QW0_L4T_CS_S)
+
#define ICE_LAN_TXQ_MAX_QGRPS 127
#define ICE_LAN_TXQ_MAX_QDIS 1023
@@ -455,7 +581,7 @@ struct ice_tlan_ctx {
u8 drop_ena;
u8 cache_prof_idx;
u8 pkt_shaper_prof_idx;
- u8 int_q_state; /* width not needed - internal do not write */
+ u8 int_q_state; /* width not needed - internal - DO NOT WRITE!!! */
};
/* macro to make the table lines short */
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 2f256bf45efc..28b46cc9f5cb 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -5,6 +5,7 @@
#include "ice_base.h"
#include "ice_flow.h"
#include "ice_lib.h"
+#include "ice_fltr.h"
#include "ice_dcb_lib.h"
/**
@@ -18,6 +19,8 @@ const char *ice_vsi_type_str(enum ice_vsi_type vsi_type)
return "ICE_VSI_PF";
case ICE_VSI_VF:
return "ICE_VSI_VF";
+ case ICE_VSI_CTRL:
+ return "ICE_VSI_CTRL";
case ICE_VSI_LB:
return "ICE_VSI_LB";
default:
@@ -37,7 +40,8 @@ const char *ice_vsi_type_str(enum ice_vsi_type vsi_type)
*/
static int ice_vsi_ctrl_all_rx_rings(struct ice_vsi *vsi, bool ena)
{
- int i, ret = 0;
+ int ret = 0;
+ u16 i;
for (i = 0; i < vsi->num_rxq; i++)
ice_vsi_ctrl_one_rx_ring(vsi, ena, i, false);
@@ -121,6 +125,7 @@ static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
{
switch (vsi->type) {
case ICE_VSI_PF:
+ case ICE_VSI_CTRL:
case ICE_VSI_LB:
vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC;
vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC;
@@ -185,6 +190,11 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
*/
vsi->num_q_vectors = pf->num_msix_per_vf - ICE_NONQ_VECS_VF;
break;
+ case ICE_VSI_CTRL:
+ vsi->alloc_txq = 1;
+ vsi->alloc_rxq = 1;
+ vsi->num_q_vectors = 1;
+ break;
case ICE_VSI_LB:
vsi->alloc_txq = 1;
vsi->alloc_rxq = 1;
@@ -248,8 +258,8 @@ void ice_vsi_delete(struct ice_vsi *vsi)
status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL);
if (status)
- dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %d\n",
- vsi->vsi_num, status);
+ dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %s\n",
+ vsi->vsi_num, ice_stat_str(status));
kfree(ctxt);
}
@@ -320,7 +330,7 @@ int ice_vsi_clear(struct ice_vsi *vsi)
/* updates the PF for this cleared VSI */
pf->vsi[vsi->idx] = NULL;
- if (vsi->idx < pf->next_vsi)
+ if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL)
pf->next_vsi = vsi->idx;
ice_vsi_free_arrays(vsi);
@@ -331,6 +341,25 @@ int ice_vsi_clear(struct ice_vsi *vsi)
}
/**
+ * ice_msix_clean_ctrl_vsi - MSIX mode interrupt handler for ctrl VSI
+ * @irq: interrupt number
+ * @data: pointer to a q_vector
+ */
+static irqreturn_t ice_msix_clean_ctrl_vsi(int __always_unused irq, void *data)
+{
+ struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
+
+ if (!q_vector->tx.ring)
+ return IRQ_HANDLED;
+
+#define FDIR_RX_DESC_CLEAN_BUDGET 64
+ ice_clean_rx_irq(q_vector->rx.ring, FDIR_RX_DESC_CLEAN_BUDGET);
+ ice_clean_ctrl_tx_irq(q_vector->tx.ring);
+
+ return IRQ_HANDLED;
+}
+
+/**
* ice_msix_clean_rings - MSIX mode Interrupt Handler
* @irq: interrupt number
* @data: pointer to a q_vector
@@ -381,8 +410,6 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id)
vsi->back = pf;
set_bit(__ICE_DOWN, vsi->state);
- vsi->idx = pf->next_vsi;
-
if (vsi_type == ICE_VSI_VF)
ice_vsi_set_num_qs(vsi, vf_id);
else
@@ -396,6 +423,13 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id)
/* Setup default MSIX irq handler for VSI */
vsi->irq_handler = ice_msix_clean_rings;
break;
+ case ICE_VSI_CTRL:
+ if (ice_vsi_alloc_arrays(vsi))
+ goto err_rings;
+
+ /* Setup ctrl VSI MSIX irq handler */
+ vsi->irq_handler = ice_msix_clean_ctrl_vsi;
+ break;
case ICE_VSI_VF:
if (ice_vsi_alloc_arrays(vsi))
goto err_rings;
@@ -409,12 +443,20 @@ ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type, u16 vf_id)
goto unlock_pf;
}
- /* fill VSI slot in the PF struct */
- pf->vsi[pf->next_vsi] = vsi;
+ if (vsi->type == ICE_VSI_CTRL) {
+ /* Use the last VSI slot as the index for the control VSI */
+ vsi->idx = pf->num_alloc_vsi - 1;
+ pf->ctrl_vsi_idx = vsi->idx;
+ pf->vsi[vsi->idx] = vsi;
+ } else {
+ /* fill slot and make note of the index */
+ vsi->idx = pf->next_vsi;
+ pf->vsi[pf->next_vsi] = vsi;
- /* prepare pf->next_vsi for next use */
- pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
- pf->next_vsi);
+ /* prepare pf->next_vsi for next use */
+ pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
+ pf->next_vsi);
+ }
goto unlock_pf;
err_rings:
@@ -426,6 +468,48 @@ unlock_pf:
}
/**
+ * ice_alloc_fd_res - Allocate FD resource for a VSI
+ * @vsi: pointer to the ice_vsi
+ *
+ * This allocates the FD resources
+ *
+ * Returns 0 on success, -EPERM on no-op or -EIO on failure
+ */
+static int ice_alloc_fd_res(struct ice_vsi *vsi)
+{
+ struct ice_pf *pf = vsi->back;
+ u32 g_val, b_val;
+
+ /* Flow Director filters are only allocated/assigned to the PF VSI which
+ * passes the traffic. The CTRL VSI is only used to add/delete filters
+ * so we don't allocate resources to it
+ */
+
+ /* FD filters from guaranteed pool per VSI */
+ g_val = pf->hw.func_caps.fd_fltr_guar;
+ if (!g_val)
+ return -EPERM;
+
+ /* FD filters from best effort pool */
+ b_val = pf->hw.func_caps.fd_fltr_best_effort;
+ if (!b_val)
+ return -EPERM;
+
+ if (vsi->type != ICE_VSI_PF)
+ return -EPERM;
+
+ if (!test_bit(ICE_FLAG_FD_ENA, pf->flags))
+ return -EPERM;
+
+ vsi->num_gfltr = g_val / pf->num_alloc_vsi;
+
+ /* each VSI gets same "best_effort" quota */
+ vsi->num_bfltr = b_val;
+
+ return 0;
+}
+
+/**
* ice_vsi_get_qs - Assign queues from PF to VSI
* @vsi: the VSI to assign queues to
*
@@ -521,8 +605,8 @@ static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi)
status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx);
if (status)
- dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %d\n",
- vsi->vsi_num, status);
+ dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %s\n",
+ vsi->vsi_num, ice_stat_str(status));
}
/**
@@ -565,8 +649,8 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
switch (vsi->type) {
case ICE_VSI_PF:
/* PF VSI will inherit RSS instance of PF */
- vsi->rss_table_size = cap->rss_table_size;
- vsi->rss_size = min_t(int, num_online_cpus(),
+ vsi->rss_table_size = (u16)cap->rss_table_size;
+ vsi->rss_size = min_t(u16, num_online_cpus(),
BIT(cap->rss_table_entry_width));
vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
break;
@@ -581,8 +665,8 @@ static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
case ICE_VSI_LB:
break;
default:
- dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n",
- vsi->type);
+ dev_dbg(ice_pf_to_dev(pf), "Unsupported VSI type %s\n",
+ ice_vsi_type_str(vsi->type));
break;
}
}
@@ -684,15 +768,15 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
max_rss = ICE_MAX_LG_RSS_QS;
else
max_rss = ICE_MAX_RSS_QS_PER_VF;
- qcount_rx = min_t(int, rx_numq_tc, max_rss);
+ qcount_rx = min_t(u16, rx_numq_tc, max_rss);
if (!vsi->req_rxq)
- qcount_rx = min_t(int, qcount_rx,
+ qcount_rx = min_t(u16, qcount_rx,
vsi->rss_size);
}
}
/* find the (rounded up) power-of-2 of qcount */
- pow = order_base_2(qcount_rx);
+ pow = (u16)order_base_2(qcount_rx);
ice_for_each_traffic_class(i) {
if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
@@ -752,6 +836,51 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
}
/**
+ * ice_set_fd_vsi_ctx - Set FD VSI context before adding a VSI
+ * @ctxt: the VSI context being set
+ * @vsi: the VSI being configured
+ */
+static void ice_set_fd_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
+{
+ u8 dflt_q_group, dflt_q_prio;
+ u16 dflt_q, report_q, val;
+
+ if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_CTRL)
+ return;
+
+ val = ICE_AQ_VSI_PROP_FLOW_DIR_VALID;
+ ctxt->info.valid_sections |= cpu_to_le16(val);
+ dflt_q = 0;
+ dflt_q_group = 0;
+ report_q = 0;
+ dflt_q_prio = 0;
+
+ /* enable flow director filtering/programming */
+ val = ICE_AQ_VSI_FD_ENABLE | ICE_AQ_VSI_FD_PROG_ENABLE;
+ ctxt->info.fd_options = cpu_to_le16(val);
+ /* max of allocated flow director filters */
+ ctxt->info.max_fd_fltr_dedicated =
+ cpu_to_le16(vsi->num_gfltr);
+ /* max of shared flow director filters any VSI may program */
+ ctxt->info.max_fd_fltr_shared =
+ cpu_to_le16(vsi->num_bfltr);
+ /* default queue index within the VSI of the default FD */
+ val = ((dflt_q << ICE_AQ_VSI_FD_DEF_Q_S) &
+ ICE_AQ_VSI_FD_DEF_Q_M);
+ /* target queue or queue group to the FD filter */
+ val |= ((dflt_q_group << ICE_AQ_VSI_FD_DEF_GRP_S) &
+ ICE_AQ_VSI_FD_DEF_GRP_M);
+ ctxt->info.fd_def_q = cpu_to_le16(val);
+ /* queue index on which FD filter completion is reported */
+ val = ((report_q << ICE_AQ_VSI_FD_REPORT_Q_S) &
+ ICE_AQ_VSI_FD_REPORT_Q_M);
+ /* priority of the default qindex action */
+ val |= ((dflt_q_prio << ICE_AQ_VSI_FD_DEF_PRIORITY_S) &
+ ICE_AQ_VSI_FD_DEF_PRIORITY_M);
+ ctxt->info.fd_report_opt = cpu_to_le16(val);
+}
+
+/**
* ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
* @ctxt: the VSI context being set
* @vsi: the VSI being configured
@@ -776,13 +905,10 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
break;
- case ICE_VSI_LB:
+ default:
dev_dbg(dev, "Unsupported VSI type %s\n",
ice_vsi_type_str(vsi->type));
return;
- default:
- dev_warn(dev, "Unknown VSI type %d\n", vsi->type);
- return;
}
ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
@@ -812,8 +938,8 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi)
if (!ctxt)
return -ENOMEM;
- ctxt->info = vsi->info;
switch (vsi->type) {
+ case ICE_VSI_CTRL:
case ICE_VSI_LB:
case ICE_VSI_PF:
ctxt->flags = ICE_AQ_VSI_TYPE_PF;
@@ -829,12 +955,15 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi)
}
ice_set_dflt_vsi_ctx(ctxt);
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags))
+ ice_set_fd_vsi_ctx(ctxt, vsi);
/* if the switch is in VEB mode, allow VSI loopback */
if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
/* Set LUT type and HASH type if RSS is enabled */
- if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
+ if (test_bit(ICE_FLAG_RSS_ENA, pf->flags) &&
+ vsi->type != ICE_VSI_CTRL) {
ice_set_rss_vsi_ctx(ctxt, vsi);
/* if updating VSI context, make sure to set valid_section:
* to indicate which section of VSI context being updated
@@ -941,7 +1070,7 @@ int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
*/
static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
{
- int start = 0, end = 0;
+ u16 start = 0, end = 0;
if (needed > res->end)
return -ENOMEM;
@@ -1024,6 +1153,7 @@ static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
struct ice_pf *pf = vsi->back;
struct device *dev;
u16 num_q_vectors;
+ int base;
dev = ice_pf_to_dev(pf);
/* SRIOV doesn't grab irq_tracker entries for each VSI */
@@ -1038,14 +1168,15 @@ static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
num_q_vectors = vsi->num_q_vectors;
/* reserve slots from OS requested IRQs */
- vsi->base_vector = ice_get_res(pf, pf->irq_tracker, num_q_vectors,
- vsi->idx);
- if (vsi->base_vector < 0) {
+ base = ice_get_res(pf, pf->irq_tracker, num_q_vectors, vsi->idx);
+
+ if (base < 0) {
dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n",
ice_get_free_res_count(pf->irq_tracker),
ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors);
return -ENOENT;
}
+ vsi->base_vector = (u16)base;
pf->num_avail_sw_msix -= num_q_vectors;
return 0;
@@ -1085,7 +1216,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct device *dev;
- int i;
+ u16 i;
dev = ice_pf_to_dev(pf);
/* Allocate Tx rings */
@@ -1178,7 +1309,7 @@ static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
u8 *lut;
dev = ice_pf_to_dev(pf);
- vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq);
+ vsi->rss_size = min_t(u16, vsi->rss_size, vsi->num_rxq);
lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
if (!lut)
@@ -1193,7 +1324,8 @@ static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
vsi->rss_table_size);
if (status) {
- dev_err(dev, "set_rss_lut failed, error %d\n", status);
+ dev_err(dev, "set_rss_lut failed, error %s\n",
+ ice_stat_str(status));
err = -EIO;
goto ice_vsi_cfg_rss_exit;
}
@@ -1215,7 +1347,8 @@ static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key);
if (status) {
- dev_err(dev, "set_rss_key failed, error %d\n", status);
+ dev_err(dev, "set_rss_key failed, error %s\n",
+ ice_stat_str(status));
err = -EIO;
}
@@ -1248,8 +1381,8 @@ static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi)
status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA);
if (status)
- dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %d\n",
- vsi->vsi_num, status);
+ dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %s\n",
+ vsi->vsi_num, ice_stat_str(status));
}
/**
@@ -1281,91 +1414,57 @@ static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi)
status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4,
ICE_FLOW_SEG_HDR_IPV4);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for IPv6 with input set IPv6 src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6,
ICE_FLOW_SEG_HDR_IPV6);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4,
ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for udp4 with input set IP src/dst, UDP src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4,
ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for sctp4 with input set IP src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4,
ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6,
ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6,
ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %d\n",
- vsi_num, status);
+ dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
/* configure RSS for sctp6 with input set IPv6 src/dst */
status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6,
ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6);
if (status)
- dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %d\n",
- vsi_num, status);
-}
-
-/**
- * ice_add_mac_to_list - Add a MAC address filter entry to the list
- * @vsi: the VSI to be forwarded to
- * @add_list: pointer to the list which contains MAC filter entries
- * @macaddr: the MAC address to be added.
- *
- * Adds MAC address filter entry to the temp list
- *
- * Returns 0 on success or ENOMEM on failure.
- */
-int
-ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
- const u8 *macaddr)
-{
- struct ice_fltr_list_entry *tmp;
- struct ice_pf *pf = vsi->back;
-
- tmp = devm_kzalloc(ice_pf_to_dev(pf), sizeof(*tmp), GFP_ATOMIC);
- if (!tmp)
- return -ENOMEM;
-
- tmp->fltr_info.flag = ICE_FLTR_TX;
- tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
- tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC;
- tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
- tmp->fltr_info.vsi_handle = vsi->idx;
- ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr);
-
- INIT_LIST_HEAD(&tmp->list_entry);
- list_add(&tmp->list_entry, add_list);
-
- return 0;
+ dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %s\n",
+ vsi_num, ice_stat_str(status));
}
/**
@@ -1415,54 +1514,21 @@ void ice_update_eth_stats(struct ice_vsi *vsi)
}
/**
- * ice_free_fltr_list - free filter lists helper
- * @dev: pointer to the device struct
- * @h: pointer to the list head to be freed
- *
- * Helper function to free filter lists previously created using
- * ice_add_mac_to_list
- */
-void ice_free_fltr_list(struct device *dev, struct list_head *h)
-{
- struct ice_fltr_list_entry *e, *tmp;
-
- list_for_each_entry_safe(e, tmp, h, list_entry) {
- list_del(&e->list_entry);
- devm_kfree(dev, e);
- }
-}
-
-/**
* ice_vsi_add_vlan - Add VSI membership for given VLAN
* @vsi: the VSI being configured
* @vid: VLAN ID to be added
+ * @action: filter action to be performed on match
*/
-int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
+int
+ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action)
{
- struct ice_fltr_list_entry *tmp;
struct ice_pf *pf = vsi->back;
- LIST_HEAD(tmp_add_list);
- enum ice_status status;
struct device *dev;
int err = 0;
dev = ice_pf_to_dev(pf);
- tmp = devm_kzalloc(dev, sizeof(*tmp), GFP_KERNEL);
- if (!tmp)
- return -ENOMEM;
- tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
- tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
- tmp->fltr_info.flag = ICE_FLTR_TX;
- tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
- tmp->fltr_info.vsi_handle = vsi->idx;
- tmp->fltr_info.l_data.vlan.vlan_id = vid;
-
- INIT_LIST_HEAD(&tmp->list_entry);
- list_add(&tmp->list_entry, &tmp_add_list);
-
- status = ice_add_vlan(&pf->hw, &tmp_add_list);
- if (!status) {
+ if (!ice_fltr_add_vlan(vsi, vid, action)) {
vsi->num_vlan++;
} else {
err = -ENODEV;
@@ -1470,7 +1536,6 @@ int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
vsi->vsi_num);
}
- ice_free_fltr_list(dev, &tmp_add_list);
return err;
}
@@ -1483,41 +1548,25 @@ int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
*/
int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid)
{
- struct ice_fltr_list_entry *list;
struct ice_pf *pf = vsi->back;
- LIST_HEAD(tmp_add_list);
enum ice_status status;
struct device *dev;
int err = 0;
dev = ice_pf_to_dev(pf);
- list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL);
- if (!list)
- return -ENOMEM;
-
- list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
- list->fltr_info.vsi_handle = vsi->idx;
- list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
- list->fltr_info.l_data.vlan.vlan_id = vid;
- list->fltr_info.flag = ICE_FLTR_TX;
- list->fltr_info.src_id = ICE_SRC_ID_VSI;
- INIT_LIST_HEAD(&list->list_entry);
- list_add(&list->list_entry, &tmp_add_list);
-
- status = ice_remove_vlan(&pf->hw, &tmp_add_list);
+ status = ice_fltr_remove_vlan(vsi, vid, ICE_FWD_TO_VSI);
if (!status) {
vsi->num_vlan--;
} else if (status == ICE_ERR_DOES_NOT_EXIST) {
- dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %d\n",
- vid, vsi->vsi_num, status);
+ dev_dbg(dev, "Failed to remove VLAN %d on VSI %i, it does not exist, status: %s\n",
+ vid, vsi->vsi_num, ice_stat_str(status));
} else {
- dev_err(dev, "Error removing VLAN %d on vsi %i error: %d\n",
- vid, vsi->vsi_num, status);
+ dev_err(dev, "Error removing VLAN %d on vsi %i error: %s\n",
+ vid, vsi->vsi_num, ice_stat_str(status));
err = -EIO;
}
- ice_free_fltr_list(dev, &tmp_add_list);
return err;
}
@@ -1547,6 +1596,32 @@ void ice_vsi_cfg_frame_size(struct ice_vsi *vsi)
}
/**
+ * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register
+ * @hw: HW pointer
+ * @pf_q: index of the Rx queue in the PF's queue space
+ * @rxdid: flexible descriptor RXDID
+ * @prio: priority for the RXDID for this queue
+ */
+void
+ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio)
+{
+ int regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
+
+ /* clear any previous values */
+ regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M |
+ QRXFLXP_CNTXT_RXDID_PRIO_M |
+ QRXFLXP_CNTXT_TS_M);
+
+ regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
+ QRXFLXP_CNTXT_RXDID_IDX_M;
+
+ regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) &
+ QRXFLXP_CNTXT_RXDID_PRIO_M;
+
+ wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
+}
+
+/**
* ice_vsi_cfg_rxqs - Configure the VSI for Rx
* @vsi: the VSI being configured
*
@@ -1671,7 +1746,7 @@ void ice_vsi_cfg_msix(struct ice_vsi *vsi)
{
struct ice_pf *pf = vsi->back;
struct ice_hw *hw = &pf->hw;
- u32 txq = 0, rxq = 0;
+ u16 txq = 0, rxq = 0;
int i, q;
for (i = 0; i < vsi->num_q_vectors; i++) {
@@ -1737,8 +1812,9 @@ int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
if (status) {
- dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN insert failed, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto out;
}
@@ -1761,6 +1837,12 @@ int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
enum ice_status status;
int ret = 0;
+ /* do not allow modifying VLAN stripping when a port VLAN is configured
+ * on this VSI
+ */
+ if (vsi->info.pvid)
+ return 0;
+
ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
if (!ctxt)
return -ENOMEM;
@@ -1783,8 +1865,9 @@ int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
if (status) {
- dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n",
- ena, status, hw->adminq.sq_last_status);
+ dev_err(ice_pf_to_dev(vsi->back), "update VSI for VLAN strip failed, ena = %d err %s aq_err %s\n",
+ ena, ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto out;
}
@@ -1922,9 +2005,10 @@ int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc)
status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL);
if (status) {
- netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n",
- ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status,
- pf->hw.adminq.sq_last_status);
+ netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %s, aq_err = %s\n",
+ ena ? "En" : "Dis", vsi->idx, vsi->vsi_num,
+ ice_stat_str(status),
+ ice_aq_str(pf->hw.adminq.sq_last_status));
goto err_out;
}
@@ -1991,47 +2075,6 @@ clear_reg_idx:
}
/**
- * ice_vsi_add_rem_eth_mac - Program VSI ethertype based filter with rule
- * @vsi: the VSI being configured
- * @add_rule: boolean value to add or remove ethertype filter rule
- */
-static void
-ice_vsi_add_rem_eth_mac(struct ice_vsi *vsi, bool add_rule)
-{
- struct ice_fltr_list_entry *list;
- struct ice_pf *pf = vsi->back;
- LIST_HEAD(tmp_add_list);
- enum ice_status status;
- struct device *dev;
-
- dev = ice_pf_to_dev(pf);
- list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL);
- if (!list)
- return;
-
- list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
- list->fltr_info.fltr_act = ICE_DROP_PACKET;
- list->fltr_info.flag = ICE_FLTR_TX;
- list->fltr_info.src_id = ICE_SRC_ID_VSI;
- list->fltr_info.vsi_handle = vsi->idx;
- list->fltr_info.l_data.ethertype_mac.ethertype = vsi->ethtype;
-
- INIT_LIST_HEAD(&list->list_entry);
- list_add(&list->list_entry, &tmp_add_list);
-
- if (add_rule)
- status = ice_add_eth_mac(&pf->hw, &tmp_add_list);
- else
- status = ice_remove_eth_mac(&pf->hw, &tmp_add_list);
-
- if (status)
- dev_err(dev, "Failure Adding or Removing Ethertype on VSI %i error: %d\n",
- vsi->vsi_num, status);
-
- ice_free_fltr_list(dev, &tmp_add_list);
-}
-
-/**
* ice_cfg_sw_lldp - Config switch rules for LLDP packet handling
* @vsi: the VSI being configured
* @tx: bool to determine Tx or Rx rule
@@ -2039,45 +2082,25 @@ ice_vsi_add_rem_eth_mac(struct ice_vsi *vsi, bool add_rule)
*/
void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create)
{
- struct ice_fltr_list_entry *list;
+ enum ice_status (*eth_fltr)(struct ice_vsi *v, u16 type, u16 flag,
+ enum ice_sw_fwd_act_type act);
struct ice_pf *pf = vsi->back;
- LIST_HEAD(tmp_add_list);
enum ice_status status;
struct device *dev;
dev = ice_pf_to_dev(pf);
- list = devm_kzalloc(dev, sizeof(*list), GFP_KERNEL);
- if (!list)
- return;
+ eth_fltr = create ? ice_fltr_add_eth : ice_fltr_remove_eth;
- list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
- list->fltr_info.vsi_handle = vsi->idx;
- list->fltr_info.l_data.ethertype_mac.ethertype = ETH_P_LLDP;
-
- if (tx) {
- list->fltr_info.fltr_act = ICE_DROP_PACKET;
- list->fltr_info.flag = ICE_FLTR_TX;
- list->fltr_info.src_id = ICE_SRC_ID_VSI;
- } else {
- list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
- list->fltr_info.flag = ICE_FLTR_RX;
- list->fltr_info.src_id = ICE_SRC_ID_LPORT;
- }
-
- INIT_LIST_HEAD(&list->list_entry);
- list_add(&list->list_entry, &tmp_add_list);
-
- if (create)
- status = ice_add_eth_mac(&pf->hw, &tmp_add_list);
+ if (tx)
+ status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_TX,
+ ICE_DROP_PACKET);
else
- status = ice_remove_eth_mac(&pf->hw, &tmp_add_list);
+ status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_RX, ICE_FWD_TO_VSI);
if (status)
- dev_err(dev, "Fail %s %s LLDP rule on VSI %i error: %d\n",
+ dev_err(dev, "Fail %s %s LLDP rule on VSI %i error: %s\n",
create ? "adding" : "removing", tx ? "TX" : "RX",
- vsi->vsi_num, status);
-
- ice_free_fltr_list(dev, &tmp_add_list);
+ vsi->vsi_num, ice_stat_str(status));
}
/**
@@ -2122,10 +2145,12 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
if (vsi->type == ICE_VSI_VF)
vsi->vf_id = vf_id;
+ ice_alloc_fd_res(vsi);
+
if (ice_vsi_get_qs(vsi)) {
dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
vsi->idx);
- goto unroll_get_qs;
+ goto unroll_vsi_alloc;
}
/* set RSS capabilities */
@@ -2140,6 +2165,7 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
goto unroll_get_qs;
switch (vsi->type) {
+ case ICE_VSI_CTRL:
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
@@ -2164,20 +2190,23 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
* so this handles those cases (i.e. adding the PF to a bridge
* without the 8021q module loaded).
*/
- ret = ice_vsi_add_vlan(vsi, 0);
+ ret = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI);
if (ret)
goto unroll_clear_rings;
ice_vsi_map_rings_to_vectors(vsi);
- /* Do not exit if configuring RSS had an issue, at least
- * receive traffic on first queue. Hence no need to capture
- * return value
- */
- if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
- ice_vsi_cfg_rss_lut_key(vsi);
- ice_vsi_set_rss_flow_fld(vsi);
- }
+ /* ICE_VSI_CTRL does not need RSS so skip RSS processing */
+ if (vsi->type != ICE_VSI_CTRL)
+ /* Do not exit if configuring RSS had an issue, at
+ * least receive traffic on first queue. Hence no
+ * need to capture return value
+ */
+ if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
+ ice_vsi_cfg_rss_lut_key(vsi);
+ ice_vsi_set_rss_flow_fld(vsi);
+ }
+ ice_init_arfs(vsi);
break;
case ICE_VSI_VF:
/* VF driver will take care of creating netdev for this type and
@@ -2223,8 +2252,8 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
max_txqs);
if (status) {
- dev_err(dev, "VSI %d failed lan queue config, error %d\n",
- vsi->vsi_num, status);
+ dev_err(dev, "VSI %d failed lan queue config, error %s\n",
+ vsi->vsi_num, ice_stat_str(status));
goto unroll_vector_base;
}
@@ -2239,9 +2268,8 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
*/
if (!ice_is_safe_mode(pf))
if (vsi->type == ICE_VSI_PF) {
- ice_vsi_add_rem_eth_mac(vsi, true);
-
- /* Tx LLDP packets */
+ ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
+ ICE_DROP_PACKET);
ice_cfg_sw_lldp(vsi, true, true);
}
@@ -2259,6 +2287,7 @@ unroll_vsi_init:
ice_vsi_delete(vsi);
unroll_get_qs:
ice_vsi_put_qs(vsi);
+unroll_vsi_alloc:
ice_vsi_clear(vsi);
return NULL;
@@ -2411,6 +2440,8 @@ int ice_ena_vsi(struct ice_vsi *vsi, bool locked)
if (!locked)
rtnl_unlock();
}
+ } else if (vsi->type == ICE_VSI_CTRL) {
+ err = ice_vsi_open_ctrl(vsi);
}
return err;
@@ -2440,6 +2471,8 @@ void ice_dis_vsi(struct ice_vsi *vsi, bool locked)
} else {
ice_vsi_close(vsi);
}
+ } else if (vsi->type == ICE_VSI_CTRL) {
+ ice_vsi_close(vsi);
}
}
@@ -2558,7 +2591,8 @@ int ice_vsi_release(struct ice_vsi *vsi)
if (!ice_is_safe_mode(pf)) {
if (vsi->type == ICE_VSI_PF) {
- ice_vsi_add_rem_eth_mac(vsi, false);
+ ice_fltr_remove_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
+ ICE_DROP_PACKET);
ice_cfg_sw_lldp(vsi, true, false);
/* The Rx rule will only exist to remove if the LLDP FW
* engine is currently stopped
@@ -2568,7 +2602,7 @@ int ice_vsi_release(struct ice_vsi *vsi)
}
}
- ice_remove_vsi_fltr(&pf->hw, vsi->idx);
+ ice_fltr_remove_all(vsi);
ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
ice_vsi_delete(vsi);
ice_vsi_free_q_vectors(vsi);
@@ -2673,15 +2707,13 @@ ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi,
ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i],
&coalesce[i]);
- for (; i < vsi->num_q_vectors; i++) {
- struct ice_coalesce_stored coalesce_dflt = {
- .itr_tx = ICE_DFLT_TX_ITR,
- .itr_rx = ICE_DFLT_RX_ITR,
- .intrl = 0
- };
+ /* number of q_vectors increased, so assume coalesce settings were
+ * changed globally (i.e. ethtool -C eth0 instead of per-queue) and use
+ * the previous settings from q_vector 0 for all of the new q_vectors
+ */
+ for (; i < vsi->num_q_vectors; i++)
ice_vsi_rebuild_update_coalesce(vsi->q_vectors[i],
- &coalesce_dflt);
- }
+ &coalesce[0]);
}
/**
@@ -2746,6 +2778,8 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
goto err_vsi;
ice_vsi_get_qs(vsi);
+
+ ice_alloc_fd_res(vsi);
ice_vsi_set_tc_cfg(vsi);
/* Initialize VSI struct elements and create VSI in FW */
@@ -2754,6 +2788,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
goto err_vsi;
switch (vsi->type) {
+ case ICE_VSI_CTRL:
case ICE_VSI_PF:
ret = ice_vsi_alloc_q_vectors(vsi);
if (ret)
@@ -2773,17 +2808,19 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
ice_vsi_map_rings_to_vectors(vsi);
if (ice_is_xdp_ena_vsi(vsi)) {
- vsi->num_xdp_txq = vsi->alloc_txq;
+ vsi->num_xdp_txq = vsi->alloc_rxq;
ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog);
if (ret)
goto err_vectors;
}
- /* Do not exit if configuring RSS had an issue, at least
- * receive traffic on first queue. Hence no need to capture
- * return value
- */
- if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
- ice_vsi_cfg_rss_lut_key(vsi);
+ /* ICE_VSI_CTRL does not need RSS so skip RSS processing */
+ if (vsi->type != ICE_VSI_CTRL)
+ /* Do not exit if configuring RSS had an issue, at
+ * least receive traffic on first queue. Hence no
+ * need to capture return value
+ */
+ if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
+ ice_vsi_cfg_rss_lut_key(vsi);
break;
case ICE_VSI_VF:
ret = ice_vsi_alloc_q_vectors(vsi);
@@ -2814,8 +2851,8 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
max_txqs);
if (status) {
- dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %d\n",
- vsi->vsi_num, status);
+ dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %s\n",
+ vsi->vsi_num, ice_stat_str(status));
if (init_vsi) {
ret = -EIO;
goto err_vectors;
@@ -2924,8 +2961,8 @@ int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
max_txqs);
if (status) {
- dev_err(dev, "VSI %d failed TC config, error %d\n",
- vsi->vsi_num, status);
+ dev_err(dev, "VSI %d failed TC config, error %s\n",
+ vsi->vsi_num, ice_stat_str(status));
ret = -EIO;
goto out;
}
@@ -2985,33 +3022,27 @@ void ice_update_rx_ring_stats(struct ice_ring *rx_ring, u64 pkts, u64 bytes)
}
/**
- * ice_vsi_cfg_mac_fltr - Add or remove a MAC address filter for a VSI
- * @vsi: the VSI being configured MAC filter
- * @macaddr: the MAC address to be added.
- * @set: Add or delete a MAC filter
- *
- * Adds or removes MAC address filter entry for VF VSI
+ * ice_status_to_errno - convert from enum ice_status to Linux errno
+ * @err: ice_status value to convert
*/
-enum ice_status
-ice_vsi_cfg_mac_fltr(struct ice_vsi *vsi, const u8 *macaddr, bool set)
+int ice_status_to_errno(enum ice_status err)
{
- LIST_HEAD(tmp_add_list);
- enum ice_status status;
-
- /* Update MAC filter list to be added or removed for a VSI */
- if (ice_add_mac_to_list(vsi, &tmp_add_list, macaddr)) {
- status = ICE_ERR_NO_MEMORY;
- goto cfg_mac_fltr_exit;
+ switch (err) {
+ case ICE_SUCCESS:
+ return 0;
+ case ICE_ERR_DOES_NOT_EXIST:
+ return -ENOENT;
+ case ICE_ERR_OUT_OF_RANGE:
+ return -ENOTTY;
+ case ICE_ERR_PARAM:
+ return -EINVAL;
+ case ICE_ERR_NO_MEMORY:
+ return -ENOMEM;
+ case ICE_ERR_MAX_LIMIT:
+ return -EAGAIN;
+ default:
+ return -EINVAL;
}
-
- if (set)
- status = ice_add_mac(&vsi->back->hw, &tmp_add_list);
- else
- status = ice_remove_mac(&vsi->back->hw, &tmp_add_list);
-
-cfg_mac_fltr_exit:
- ice_free_fltr_list(ice_pf_to_dev(vsi->back), &tmp_add_list);
- return status;
}
/**
@@ -3079,8 +3110,8 @@ int ice_set_dflt_vsi(struct ice_sw *sw, struct ice_vsi *vsi)
status = ice_cfg_dflt_vsi(&vsi->back->hw, vsi->idx, true, ICE_FLTR_RX);
if (status) {
- dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %d\n",
- vsi->vsi_num, status);
+ dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %s\n",
+ vsi->vsi_num, ice_stat_str(status));
return -EIO;
}
@@ -3118,8 +3149,8 @@ int ice_clear_dflt_vsi(struct ice_sw *sw)
status = ice_cfg_dflt_vsi(&dflt_vsi->back->hw, dflt_vsi->idx, false,
ICE_FLTR_RX);
if (status) {
- dev_err(dev, "Failed to clear the default forwarding VSI %d, error %d\n",
- dflt_vsi->vsi_num, status);
+ dev_err(dev, "Failed to clear the default forwarding VSI %d, error %s\n",
+ dflt_vsi->vsi_num, ice_stat_str(status));
return -EIO;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.h b/drivers/net/ethernet/intel/ice/ice_lib.h
index 04ca00799364..d80e6afa4511 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_lib.h
@@ -8,12 +8,6 @@
const char *ice_vsi_type_str(enum ice_vsi_type vsi_type);
-int
-ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
- const u8 *macaddr);
-
-void ice_free_fltr_list(struct device *dev, struct list_head *h);
-
void ice_update_eth_stats(struct ice_vsi *vsi);
int ice_vsi_cfg_rxqs(struct ice_vsi *vsi);
@@ -22,7 +16,8 @@ int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi);
void ice_vsi_cfg_msix(struct ice_vsi *vsi);
-int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid);
+int
+ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid, enum ice_sw_fwd_act_type action);
int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid);
@@ -79,6 +74,9 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi);
bool ice_is_reset_in_progress(unsigned long *state);
+void
+ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio);
+
void ice_vsi_put_qs(struct ice_vsi *vsi);
void ice_vsi_dis_irq(struct ice_vsi *vsi);
@@ -97,6 +95,8 @@ void ice_update_rx_ring_stats(struct ice_ring *ring, u64 pkts, u64 bytes);
void ice_vsi_cfg_frame_size(struct ice_vsi *vsi);
+int ice_status_to_errno(enum ice_status err);
+
u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran);
enum ice_status
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 5b190c257124..082825e3cb39 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -8,6 +8,7 @@
#include "ice.h"
#include "ice_base.h"
#include "ice_lib.h"
+#include "ice_fltr.h"
#include "ice_dcb_lib.h"
#include "ice_dcb_nl.h"
#include "ice_devlink.h"
@@ -133,38 +134,24 @@ static void ice_check_for_hang_subtask(struct ice_pf *pf)
static int ice_init_mac_fltr(struct ice_pf *pf)
{
enum ice_status status;
- u8 broadcast[ETH_ALEN];
struct ice_vsi *vsi;
+ u8 *perm_addr;
vsi = ice_get_main_vsi(pf);
if (!vsi)
return -EINVAL;
- /* To add a MAC filter, first add the MAC to a list and then
- * pass the list to ice_add_mac.
- */
-
- /* Add a unicast MAC filter so the VSI can get its packets */
- status = ice_vsi_cfg_mac_fltr(vsi, vsi->port_info->mac.perm_addr, true);
- if (status)
- goto unregister;
-
- /* VSI needs to receive broadcast traffic, so add the broadcast
- * MAC address to the list as well.
- */
- eth_broadcast_addr(broadcast);
- status = ice_vsi_cfg_mac_fltr(vsi, broadcast, true);
- if (status)
- goto unregister;
+ perm_addr = vsi->port_info->mac.perm_addr;
+ status = ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI);
+ if (!status)
+ return 0;
- return 0;
-unregister:
/* We aren't useful with no MAC filters, so unregister if we
* had an error
*/
- if (status && vsi->netdev->reg_state == NETREG_REGISTERED) {
- dev_err(ice_pf_to_dev(pf), "Could not add MAC filters error %d. Unregistering device\n",
- status);
+ if (vsi->netdev->reg_state == NETREG_REGISTERED) {
+ dev_err(ice_pf_to_dev(pf), "Could not add MAC filters error %s. Unregistering device\n",
+ ice_stat_str(status));
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
@@ -188,7 +175,8 @@ static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr)
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
- if (ice_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr))
+ if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr,
+ ICE_FWD_TO_VSI))
return -EINVAL;
return 0;
@@ -209,7 +197,8 @@ static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
- if (ice_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr))
+ if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr,
+ ICE_FWD_TO_VSI))
return -EINVAL;
return 0;
@@ -307,8 +296,8 @@ static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
}
/* Remove MAC addresses in the unsync list */
- status = ice_remove_mac(hw, &vsi->tmp_unsync_list);
- ice_free_fltr_list(dev, &vsi->tmp_unsync_list);
+ status = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list);
+ ice_fltr_free_list(dev, &vsi->tmp_unsync_list);
if (status) {
netdev_err(netdev, "Failed to delete MAC filters\n");
/* if we failed because of alloc failures, just bail */
@@ -319,8 +308,8 @@ static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
}
/* Add MAC addresses in the sync list */
- status = ice_add_mac(hw, &vsi->tmp_sync_list);
- ice_free_fltr_list(dev, &vsi->tmp_sync_list);
+ status = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list);
+ ice_fltr_free_list(dev, &vsi->tmp_sync_list);
/* If filter is added successfully or already exists, do not go into
* 'if' condition and report it as error. Instead continue processing
* rest of the function.
@@ -357,7 +346,8 @@ static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
vsi->current_netdev_flags &= ~IFF_ALLMULTI;
goto out_promisc;
}
- } else if (!(vsi->current_netdev_flags & IFF_ALLMULTI)) {
+ } else {
+ /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */
if (vsi->vlan_ena)
promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
else
@@ -462,7 +452,7 @@ static void
ice_prepare_for_reset(struct ice_pf *pf)
{
struct ice_hw *hw = &pf->hw;
- int i;
+ unsigned int i;
/* already prepared for reset */
if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
@@ -1017,8 +1007,8 @@ static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
if (ret == ICE_ERR_AQ_NO_WORK)
break;
if (ret) {
- dev_err(dev, "%s Receive Queue event error %d\n", qtype,
- ret);
+ dev_err(dev, "%s Receive Queue event error %s\n", qtype,
+ ice_stat_str(ret));
break;
}
@@ -1123,7 +1113,7 @@ static void ice_clean_mailboxq_subtask(struct ice_pf *pf)
*
* If not already scheduled, this puts the task into the work queue.
*/
-static void ice_service_task_schedule(struct ice_pf *pf)
+void ice_service_task_schedule(struct ice_pf *pf)
{
if (!test_bit(__ICE_SERVICE_DIS, pf->state) &&
!test_and_set_bit(__ICE_SERVICE_SCHED, pf->state) &&
@@ -1198,8 +1188,8 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
{
struct device *dev = ice_pf_to_dev(pf);
struct ice_hw *hw = &pf->hw;
+ unsigned int i;
u32 reg;
- int i;
if (!test_and_clear_bit(__ICE_MDD_EVENT_PENDING, pf->state)) {
/* Since the VF MDD event logging is rate limited, check if
@@ -1332,8 +1322,13 @@ static void ice_handle_mdd_event(struct ice_pf *pf)
* PF can be configured to reset the VF through ethtool
* private flag mdd-auto-reset-vf.
*/
- if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags))
+ if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) {
+ /* VF MDD event counters will be cleared by
+ * reset, so print the event prior to reset.
+ */
+ ice_print_vf_rx_mdd_event(vf);
ice_reset_vf(&pf->vf[i], false);
+ }
}
}
@@ -1493,7 +1488,7 @@ static void ice_service_task(struct work_struct *work)
ice_process_vflr_event(pf);
ice_clean_mailboxq_subtask(pf);
-
+ ice_sync_arfs_fltrs(pf);
/* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */
ice_service_task_complete(pf);
@@ -1652,9 +1647,14 @@ static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
}
/* register for affinity change notifications */
- q_vector->affinity_notify.notify = ice_irq_affinity_notify;
- q_vector->affinity_notify.release = ice_irq_affinity_release;
- irq_set_affinity_notifier(irq_num, &q_vector->affinity_notify);
+ if (!IS_ENABLED(CONFIG_RFS_ACCEL)) {
+ struct irq_affinity_notify *affinity_notify;
+
+ affinity_notify = &q_vector->affinity_notify;
+ affinity_notify->notify = ice_irq_affinity_notify;
+ affinity_notify->release = ice_irq_affinity_release;
+ irq_set_affinity_notifier(irq_num, affinity_notify);
+ }
/* assign the mask for this irq */
irq_set_affinity_hint(irq_num, &q_vector->affinity_mask);
@@ -1666,8 +1666,9 @@ static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
free_q_irqs:
while (vector) {
vector--;
- irq_num = pf->msix_entries[base + vector].vector,
- irq_set_affinity_notifier(irq_num, NULL);
+ irq_num = pf->msix_entries[base + vector].vector;
+ if (!IS_ENABLED(CONFIG_RFS_ACCEL))
+ irq_set_affinity_notifier(irq_num, NULL);
irq_set_affinity_hint(irq_num, NULL);
devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]);
}
@@ -1809,8 +1810,8 @@ int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog)
status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
max_txqs);
if (status) {
- dev_err(dev, "Failed VSI LAN queue config for XDP, error:%d\n",
- status);
+ dev_err(dev, "Failed VSI LAN queue config for XDP, error: %s\n",
+ ice_stat_str(status));
goto clear_xdp_rings;
}
ice_vsi_assign_bpf_prog(vsi, prog);
@@ -1898,6 +1899,9 @@ free_qmap:
for (i = 0; i < vsi->tc_cfg.numtc; i++)
max_txqs[i] = vsi->num_txq;
+ /* change number of XDP Tx queues to 0 */
+ vsi->num_xdp_txq = 0;
+
return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
max_txqs);
}
@@ -1931,7 +1935,7 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog,
}
if (!ice_is_xdp_ena_vsi(vsi) && prog) {
- vsi->num_xdp_txq = vsi->alloc_txq;
+ vsi->num_xdp_txq = vsi->alloc_rxq;
xdp_ring_err = ice_prepare_xdp_rings(vsi, prog);
if (xdp_ring_err)
NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed");
@@ -2137,10 +2141,8 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
}
ret = IRQ_HANDLED;
- if (!test_bit(__ICE_DOWN, pf->state)) {
- ice_service_task_schedule(pf);
- ice_irq_dynamic_ena(hw, NULL, NULL);
- }
+ ice_service_task_schedule(pf);
+ ice_irq_dynamic_ena(hw, NULL, NULL);
return ret;
}
@@ -2247,7 +2249,7 @@ static int ice_req_irq_msix_misc(struct ice_pf *pf)
return oicr_idx;
pf->num_avail_sw_msix -= 1;
- pf->oicr_idx = oicr_idx;
+ pf->oicr_idx = (u16)oicr_idx;
err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector,
ice_misc_intr, 0, pf->int_name, pf);
@@ -2331,6 +2333,7 @@ static void ice_set_netdev_features(struct net_device *netdev)
dflt_features = NETIF_F_SG |
NETIF_F_HIGHDMA |
+ NETIF_F_NTUPLE |
NETIF_F_RXHASH;
csumo_features = NETIF_F_RXCSUM |
@@ -2342,13 +2345,27 @@ static void ice_set_netdev_features(struct net_device *netdev)
NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
- tso_features = NETIF_F_TSO |
+ tso_features = NETIF_F_TSO |
+ NETIF_F_TSO_ECN |
+ NETIF_F_TSO6 |
+ NETIF_F_GSO_GRE |
+ NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_GRE_CSUM |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM |
+ NETIF_F_GSO_PARTIAL |
+ NETIF_F_GSO_IPXIP4 |
+ NETIF_F_GSO_IPXIP6 |
NETIF_F_GSO_UDP_L4;
+ netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM |
+ NETIF_F_GSO_GRE_CSUM;
/* set features that user can change */
netdev->hw_features = dflt_features | csumo_features |
vlano_features | tso_features;
+ /* add support for HW_CSUM on packets with MPLS header */
+ netdev->mpls_features = NETIF_F_HW_CSUM;
+
/* enable features */
netdev->features |= netdev->hw_features;
/* encap and VLAN devices inherit default, csumo and tso features */
@@ -2411,7 +2428,7 @@ static int ice_cfg_netdev(struct ice_vsi *vsi)
err = register_netdev(vsi->netdev);
if (err)
- goto err_destroy_devlink_port;
+ goto err_free_netdev;
devlink_port_type_eth_set(&pf->devlink_port, vsi->netdev);
@@ -2422,9 +2439,11 @@ static int ice_cfg_netdev(struct ice_vsi *vsi)
return 0;
+err_free_netdev:
+ free_netdev(vsi->netdev);
+ vsi->netdev = NULL;
err_destroy_devlink_port:
ice_devlink_destroy_port(pf);
-
return err;
}
@@ -2457,6 +2476,20 @@ ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
}
/**
+ * ice_ctrl_vsi_setup - Set up a control VSI
+ * @pf: board private structure
+ * @pi: pointer to the port_info instance
+ *
+ * Returns pointer to the successfully allocated VSI software struct
+ * on success, otherwise returns NULL on failure.
+ */
+static struct ice_vsi *
+ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
+{
+ return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, ICE_INVAL_VFID);
+}
+
+/**
* ice_lb_vsi_setup - Set up a loopback VSI
* @pf: board private structure
* @pi: pointer to the port_info instance
@@ -2509,7 +2542,7 @@ ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto,
/* Add a switch rule for this VLAN ID so its corresponding VLAN tagged
* packets aren't pruned by the device's internal switch on Rx
*/
- ret = ice_vsi_add_vlan(vsi, vid);
+ ret = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI);
if (!ret) {
vsi->vlan_ena = true;
set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
@@ -2594,12 +2627,22 @@ static int ice_setup_pf_sw(struct ice_pf *pf)
*/
ice_napi_add(vsi);
+ status = ice_set_cpu_rx_rmap(vsi);
+ if (status) {
+ dev_err(ice_pf_to_dev(pf), "Failed to set CPU Rx map VSI %d error %d\n",
+ vsi->vsi_num, status);
+ status = -EINVAL;
+ goto unroll_napi_add;
+ }
status = ice_init_mac_fltr(pf);
if (status)
- goto unroll_napi_add;
+ goto free_cpu_rx_map;
return status;
+free_cpu_rx_map:
+ ice_free_cpu_rx_rmap(vsi);
+
unroll_napi_add:
if (vsi) {
ice_napi_del(vsi);
@@ -2630,7 +2673,8 @@ unroll_vsi_setup:
static u16
ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size)
{
- u16 count = 0, bit;
+ unsigned long bit;
+ u16 count = 0;
mutex_lock(lock);
for_each_clear_bit(bit, pf_qmap, size)
@@ -2703,6 +2747,23 @@ static void ice_set_pf_caps(struct ice_pf *pf)
if (func_caps->common_cap.rss_table_size)
set_bit(ICE_FLAG_RSS_ENA, pf->flags);
+ clear_bit(ICE_FLAG_FD_ENA, pf->flags);
+ if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) {
+ u16 unused;
+
+ /* ctrl_vsi_idx will be set to a valid value when flow director
+ * is setup by ice_init_fdir
+ */
+ pf->ctrl_vsi_idx = ICE_NO_VSI;
+ set_bit(ICE_FLAG_FD_ENA, pf->flags);
+ /* force guaranteed filter pool for PF */
+ ice_alloc_fd_guar_item(&pf->hw, &unused,
+ func_caps->fd_fltr_guar);
+ /* force shared filter pool for PF */
+ ice_alloc_fd_shrd_item(&pf->hw, &unused,
+ func_caps->fd_fltr_best_effort);
+ }
+
pf->max_pf_txqs = func_caps->common_cap.num_txq;
pf->max_pf_rxqs = func_caps->common_cap.num_rxq;
}
@@ -2769,6 +2830,15 @@ static int ice_ena_msix_range(struct ice_pf *pf)
v_budget += needed;
v_left -= needed;
+ /* reserve one vector for flow director */
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+ needed = ICE_FDIR_MSIX;
+ if (v_left < needed)
+ goto no_hw_vecs_left_err;
+ v_budget += needed;
+ v_left -= needed;
+ }
+
pf->msix_entries = devm_kcalloc(dev, v_budget,
sizeof(*pf->msix_entries), GFP_KERNEL);
@@ -2793,8 +2863,10 @@ static int ice_ena_msix_range(struct ice_pf *pf)
if (v_actual < v_budget) {
dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n",
v_budget, v_actual);
-/* 2 vectors for LAN (traffic + OICR) */
+/* 2 vectors each for LAN and RDMA (traffic + OICR), one for flow director */
#define ICE_MIN_LAN_VECS 2
+#define ICE_MIN_RDMA_VECS 2
+#define ICE_MIN_VECS (ICE_MIN_LAN_VECS + ICE_MIN_RDMA_VECS + 1)
if (v_actual < ICE_MIN_LAN_VECS) {
/* error if we can't get minimum vectors */
@@ -2869,8 +2941,8 @@ static int ice_init_interrupt_scheme(struct ice_pf *pf)
}
/* populate SW interrupts pool with number of OS granted IRQs. */
- pf->num_avail_sw_msix = vectors;
- pf->irq_tracker->num_entries = vectors;
+ pf->num_avail_sw_msix = (u16)vectors;
+ pf->irq_tracker->num_entries = (u16)vectors;
pf->irq_tracker->end = pf->irq_tracker->num_entries;
return 0;
@@ -2902,9 +2974,9 @@ int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
}
if (new_tx)
- vsi->req_txq = new_tx;
+ vsi->req_txq = (u16)new_tx;
if (new_rx)
- vsi->req_rxq = new_rx;
+ vsi->req_rxq = (u16)new_rx;
/* set for the next time the netdev is started */
if (!netif_running(vsi->netdev)) {
@@ -2985,6 +3057,9 @@ ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status)
*status = ICE_ERR_NOT_SUPPORTED;
}
break;
+ case ICE_ERR_FW_DDP_MISMATCH:
+ dev_err(dev, "The firmware loaded on the device is not compatible with the DDP package. Please update the device's NVM. Entering safe mode.\n");
+ break;
case ICE_ERR_BUF_TOO_SHORT:
case ICE_ERR_CFG:
dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n");
@@ -3013,6 +3088,9 @@ ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status)
case ICE_AQ_RC_EBADMAN:
case ICE_AQ_RC_EBADBUF:
dev_err(dev, "An error occurred on the device while loading the DDP package. The device will be reset.\n");
+ /* poll for reset to complete */
+ if (ice_check_reset(hw))
+ dev_err(dev, "Error resetting device. Please reload the driver\n");
return;
default:
break;
@@ -3100,6 +3178,53 @@ static enum ice_status ice_send_version(struct ice_pf *pf)
}
/**
+ * ice_init_fdir - Initialize flow director VSI and configuration
+ * @pf: pointer to the PF instance
+ *
+ * returns 0 on success, negative on error
+ */
+static int ice_init_fdir(struct ice_pf *pf)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+ struct ice_vsi *ctrl_vsi;
+ int err;
+
+ /* Side Band Flow Director needs to have a control VSI.
+ * Allocate it and store it in the PF.
+ */
+ ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info);
+ if (!ctrl_vsi) {
+ dev_dbg(dev, "could not create control VSI\n");
+ return -ENOMEM;
+ }
+
+ err = ice_vsi_open_ctrl(ctrl_vsi);
+ if (err) {
+ dev_dbg(dev, "could not open control VSI\n");
+ goto err_vsi_open;
+ }
+
+ mutex_init(&pf->hw.fdir_fltr_lock);
+
+ err = ice_fdir_create_dflt_rules(pf);
+ if (err)
+ goto err_fdir_rule;
+
+ return 0;
+
+err_fdir_rule:
+ ice_fdir_release_flows(&pf->hw);
+ ice_vsi_close(ctrl_vsi);
+err_vsi_open:
+ ice_vsi_release(ctrl_vsi);
+ if (pf->ctrl_vsi_idx != ICE_NO_VSI) {
+ pf->vsi[pf->ctrl_vsi_idx] = NULL;
+ pf->ctrl_vsi_idx = ICE_NO_VSI;
+ }
+ return err;
+}
+
+/**
* ice_get_opt_fw_name - return optional firmware file name or NULL
* @pf: pointer to the PF instance
*/
@@ -3123,7 +3248,7 @@ static char *ice_get_opt_fw_name(struct ice_pf *pf)
if (!opt_fw_filename)
return NULL;
- snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llX.pkg",
+ snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg",
ICE_DDP_PKG_PATH, dsn);
return opt_fw_filename;
@@ -3295,12 +3420,9 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
if (err) {
dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err);
err = -EIO;
- goto err_init_interrupt_unroll;
+ goto err_init_vsi_unroll;
}
- /* Driver is mostly up */
- clear_bit(__ICE_DOWN, pf->state);
-
/* In case of MSIX we are going to setup the misc vector right here
* to handle admin queue events etc. In case of legacy and MSI
* the misc functionality and queue processing is combined in
@@ -3356,12 +3478,16 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
ice_verify_cacheline_size(pf);
- /* If no DDP driven features have to be setup, return here */
+ /* If no DDP driven features have to be setup, we are done with probe */
if (ice_is_safe_mode(pf))
- return 0;
+ goto probe_done;
/* initialize DDP driven features */
+ /* Note: Flow director init failure is non-fatal to load */
+ if (ice_init_fdir(pf))
+ dev_err(dev, "could not initialize flow director\n");
+
/* Note: DCB init failure is non-fatal to load */
if (ice_init_pf_dcb(pf, false)) {
clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
@@ -3373,6 +3499,9 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
/* print PCI link speed and width */
pcie_print_link_status(pf->pdev);
+probe_done:
+ /* ready to go, so clear down state bit */
+ clear_bit(__ICE_DOWN, pf->state);
return 0;
err_alloc_sw_unroll:
@@ -3384,6 +3513,7 @@ err_msix_misc_unroll:
ice_free_irq_msix_misc(pf);
err_init_interrupt_unroll:
ice_clear_interrupt_scheme(pf);
+err_init_vsi_unroll:
devm_kfree(dev, pf->vsi);
err_init_pf_unroll:
ice_deinit_pf(pf);
@@ -3421,6 +3551,9 @@ static void ice_remove(struct pci_dev *pdev)
set_bit(__ICE_DOWN, pf->state);
ice_service_task_stop(pf);
+ mutex_destroy(&(&pf->hw)->fdir_fltr_lock);
+ if (!ice_is_safe_mode(pf))
+ ice_remove_arfs(pf);
ice_devlink_destroy_port(pf);
ice_vsi_release_all(pf);
ice_free_irq_msix_misc(pf);
@@ -3705,25 +3838,24 @@ static int ice_set_mac_address(struct net_device *netdev, void *pi)
return -EBUSY;
}
- /* When we change the MAC address we also have to change the MAC address
- * based filter rules that were created previously for the old MAC
- * address. So first, we remove the old filter rule using ice_remove_mac
- * and then create a new filter rule using ice_add_mac via
- * ice_vsi_cfg_mac_fltr function call for both add and/or remove
- * filters.
- */
- status = ice_vsi_cfg_mac_fltr(vsi, netdev->dev_addr, false);
- if (status) {
+ /* Clean up old MAC filter. Not an error if old filter doesn't exist */
+ status = ice_fltr_remove_mac(vsi, netdev->dev_addr, ICE_FWD_TO_VSI);
+ if (status && status != ICE_ERR_DOES_NOT_EXIST) {
err = -EADDRNOTAVAIL;
goto err_update_filters;
}
- status = ice_vsi_cfg_mac_fltr(vsi, mac, true);
- if (status) {
- err = -EADDRNOTAVAIL;
- goto err_update_filters;
+ /* Add filter for new MAC. If filter exists, just return success */
+ status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI);
+ if (status == ICE_ERR_ALREADY_EXISTS) {
+ netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac);
+ return 0;
}
+ /* error if the new filter addition failed */
+ if (status)
+ err = -EADDRNOTAVAIL;
+
err_update_filters:
if (err) {
netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
@@ -3740,8 +3872,8 @@ err_update_filters:
flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL;
status = ice_aq_manage_mac_write(hw, mac, flags, NULL);
if (status) {
- netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %d\n",
- mac, status);
+ netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %s\n",
+ mac, ice_stat_str(status));
}
return 0;
}
@@ -3805,8 +3937,8 @@ ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate)
status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc,
q_handle, ICE_MAX_BW, maxrate * 1000);
if (status) {
- netdev_err(netdev, "Unable to set Tx max rate, error %d\n",
- status);
+ netdev_err(netdev, "Unable to set Tx max rate, error %s\n",
+ ice_stat_str(status));
return -EIO;
}
@@ -3938,6 +4070,16 @@ ice_set_features(struct net_device *netdev, netdev_features_t features)
(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
ret = ice_cfg_vlan_pruning(vsi, false, false);
+ if ((features & NETIF_F_NTUPLE) &&
+ !(netdev->features & NETIF_F_NTUPLE)) {
+ ice_vsi_manage_fdir(vsi, true);
+ ice_init_arfs(vsi);
+ } else if (!(features & NETIF_F_NTUPLE) &&
+ (netdev->features & NETIF_F_NTUPLE)) {
+ ice_vsi_manage_fdir(vsi, false);
+ ice_clear_arfs(vsi);
+ }
+
return ret;
}
@@ -4084,6 +4226,33 @@ ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes)
}
/**
+ * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
+ * @vsi: the VSI to be updated
+ * @rings: rings to work on
+ * @count: number of rings
+ */
+static void
+ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings,
+ u16 count)
+{
+ struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+ u16 i;
+
+ for (i = 0; i < count; i++) {
+ struct ice_ring *ring;
+ u64 pkts, bytes;
+
+ ring = READ_ONCE(rings[i]);
+ ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
+ vsi_stats->tx_packets += pkts;
+ vsi_stats->tx_bytes += bytes;
+ vsi->tx_restart += ring->tx_stats.restart_q;
+ vsi->tx_busy += ring->tx_stats.tx_busy;
+ vsi->tx_linearize += ring->tx_stats.tx_linearize;
+ }
+}
+
+/**
* ice_update_vsi_ring_stats - Update VSI stats counters
* @vsi: the VSI to be updated
*/
@@ -4110,15 +4279,7 @@ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
rcu_read_lock();
/* update Tx rings counters */
- ice_for_each_txq(vsi, i) {
- ring = READ_ONCE(vsi->tx_rings[i]);
- ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
- vsi_stats->tx_packets += pkts;
- vsi_stats->tx_bytes += bytes;
- vsi->tx_restart += ring->tx_stats.restart_q;
- vsi->tx_busy += ring->tx_stats.tx_busy;
- vsi->tx_linearize += ring->tx_stats.tx_linearize;
- }
+ ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq);
/* update Rx rings counters */
ice_for_each_rxq(vsi, i) {
@@ -4130,6 +4291,11 @@ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
vsi->rx_page_failed += ring->rx_stats.alloc_page_failed;
}
+ /* update XDP Tx rings counters */
+ if (ice_is_xdp_ena_vsi(vsi))
+ ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings,
+ vsi->num_xdp_txq);
+
rcu_read_unlock();
}
@@ -4162,7 +4328,13 @@ void ice_update_vsi_stats(struct ice_vsi *vsi)
if (vsi->type == ICE_VSI_PF) {
cur_ns->rx_crc_errors = pf->stats.crc_errors;
cur_ns->rx_errors = pf->stats.crc_errors +
- pf->stats.illegal_bytes;
+ pf->stats.illegal_bytes +
+ pf->stats.rx_len_errors +
+ pf->stats.rx_undersize +
+ pf->hw_csum_rx_error +
+ pf->stats.rx_jabber +
+ pf->stats.rx_fragments +
+ pf->stats.rx_oversize;
cur_ns->rx_length_errors = pf->stats.rx_len_errors;
/* record drops from the port level */
cur_ns->rx_missed_errors = pf->stats.eth.rx_discards;
@@ -4177,6 +4349,7 @@ void ice_update_pf_stats(struct ice_pf *pf)
{
struct ice_hw_port_stats *prev_ps, *cur_ps;
struct ice_hw *hw = &pf->hw;
+ u16 fd_ctr_base;
u8 port;
port = hw->port_info->lport;
@@ -4265,6 +4438,12 @@ void ice_update_pf_stats(struct ice_pf *pf)
ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded,
&prev_ps->tx_size_big, &cur_ps->tx_size_big);
+ fd_ctr_base = hw->fd_ctr_base;
+
+ ice_stat_update40(hw,
+ GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)),
+ pf->stat_prev_loaded, &prev_ps->fd_sb_match,
+ &cur_ps->fd_sb_match);
ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded,
&prev_ps->link_xon_rx, &cur_ps->link_xon_rx);
@@ -4308,6 +4487,8 @@ void ice_update_pf_stats(struct ice_pf *pf)
ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded,
&prev_ps->rx_jabber, &cur_ps->rx_jabber);
+ cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
+
pf->stat_prev_loaded = true;
}
@@ -4493,6 +4674,62 @@ int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
}
/**
+ * ice_vsi_open_ctrl - open control VSI for use
+ * @vsi: the VSI to open
+ *
+ * Initialization of the Control VSI
+ *
+ * Returns 0 on success, negative value on error
+ */
+int ice_vsi_open_ctrl(struct ice_vsi *vsi)
+{
+ char int_name[ICE_INT_NAME_STR_LEN];
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ int err;
+
+ dev = ice_pf_to_dev(pf);
+ /* allocate descriptors */
+ err = ice_vsi_setup_tx_rings(vsi);
+ if (err)
+ goto err_setup_tx;
+
+ err = ice_vsi_setup_rx_rings(vsi);
+ if (err)
+ goto err_setup_rx;
+
+ err = ice_vsi_cfg(vsi);
+ if (err)
+ goto err_setup_rx;
+
+ snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl",
+ dev_driver_string(dev), dev_name(dev));
+ err = ice_vsi_req_irq_msix(vsi, int_name);
+ if (err)
+ goto err_setup_rx;
+
+ ice_vsi_cfg_msix(vsi);
+
+ err = ice_vsi_start_all_rx_rings(vsi);
+ if (err)
+ goto err_up_complete;
+
+ clear_bit(__ICE_DOWN, vsi->state);
+ ice_vsi_ena_irq(vsi);
+
+ return 0;
+
+err_up_complete:
+ ice_down(vsi);
+err_setup_rx:
+ ice_vsi_free_rx_rings(vsi);
+err_setup_tx:
+ ice_vsi_free_tx_rings(vsi);
+
+ return err;
+}
+
+/**
* ice_vsi_open - Called when a network interface is made active
* @vsi: the VSI to open
*
@@ -4604,8 +4841,9 @@ static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type)
/* replay filters for the VSI */
status = ice_replay_vsi(&pf->hw, vsi->idx);
if (status) {
- dev_err(dev, "replay VSI failed, status %d, VSI index %d, type %s\n",
- status, vsi->idx, ice_vsi_type_str(type));
+ dev_err(dev, "replay VSI failed, status %s, VSI index %d, type %s\n",
+ ice_stat_str(status), vsi->idx,
+ ice_vsi_type_str(type));
return -EIO;
}
@@ -4659,6 +4897,11 @@ static void ice_update_pf_netdev_link(struct ice_pf *pf)
* ice_rebuild - rebuild after reset
* @pf: PF to rebuild
* @reset_type: type of reset
+ *
+ * Do not rebuild VF VSI in this flow because that is already handled via
+ * ice_reset_all_vfs(). This is because requirements for resetting a VF after a
+ * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want
+ * to reset/rebuild all the VF VSI twice.
*/
static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
{
@@ -4674,7 +4917,8 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
ret = ice_init_all_ctrlq(hw);
if (ret) {
- dev_err(dev, "control queues init failed %d\n", ret);
+ dev_err(dev, "control queues init failed %s\n",
+ ice_stat_str(ret));
goto err_init_ctrlq;
}
@@ -4690,7 +4934,8 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
ret = ice_clear_pf_cfg(hw);
if (ret) {
- dev_err(dev, "clear PF configuration failed %d\n", ret);
+ dev_err(dev, "clear PF configuration failed %s\n",
+ ice_stat_str(ret));
goto err_init_ctrlq;
}
@@ -4704,7 +4949,13 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
ret = ice_get_caps(hw);
if (ret) {
- dev_err(dev, "ice_get_caps failed %d\n", ret);
+ dev_err(dev, "ice_get_caps failed %s\n", ice_stat_str(ret));
+ goto err_init_ctrlq;
+ }
+
+ ret = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
+ if (ret) {
+ dev_err(dev, "set_mac_cfg failed %s\n", ice_stat_str(ret));
goto err_init_ctrlq;
}
@@ -4723,6 +4974,21 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
goto err_sched_init_port;
}
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+ wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
+ if (!rd32(hw, PFQF_FD_SIZE)) {
+ u16 unused, guar, b_effort;
+
+ guar = hw->func_caps.fd_fltr_guar;
+ b_effort = hw->func_caps.fd_fltr_best_effort;
+
+ /* force guaranteed filter pool for PF */
+ ice_alloc_fd_guar_item(hw, &unused, guar);
+ /* force shared filter pool for PF */
+ ice_alloc_fd_shrd_item(hw, &unused, b_effort);
+ }
+ }
+
if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
ice_dcb_rebuild(pf);
@@ -4733,12 +4999,22 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
goto err_vsi_rebuild;
}
- if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) {
- err = ice_vsi_rebuild_by_type(pf, ICE_VSI_VF);
+ /* If Flow Director is active */
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+ err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL);
if (err) {
- dev_err(dev, "VF VSI rebuild failed: %d\n", err);
+ dev_err(dev, "control VSI rebuild failed: %d\n", err);
goto err_vsi_rebuild;
}
+
+ /* replay HW Flow Director recipes */
+ if (hw->fdir_prof)
+ ice_fdir_replay_flows(hw);
+
+ /* replay Flow Director filters */
+ ice_fdir_replay_fltrs(pf);
+
+ ice_rebuild_arfs(pf);
}
ice_update_pf_netdev_link(pf);
@@ -4746,8 +5022,8 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
/* tell the firmware we are up */
ret = ice_send_version(pf);
if (ret) {
- dev_err(dev, "Rebuild failed due to error sending driver version: %d\n",
- ret);
+ dev_err(dev, "Rebuild failed due to error sending driver version: %s\n",
+ ice_stat_str(ret));
goto err_vsi_rebuild;
}
@@ -4795,7 +5071,7 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
struct ice_pf *pf = vsi->back;
u8 count = 0;
- if (new_mtu == netdev->mtu) {
+ if (new_mtu == (int)netdev->mtu) {
netdev_warn(netdev, "MTU is already %u\n", netdev->mtu);
return 0;
}
@@ -4810,11 +5086,11 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
}
}
- if (new_mtu < netdev->min_mtu) {
+ if (new_mtu < (int)netdev->min_mtu) {
netdev_err(netdev, "new MTU invalid. min_mtu is %d\n",
netdev->min_mtu);
return -EINVAL;
- } else if (new_mtu > netdev->max_mtu) {
+ } else if (new_mtu > (int)netdev->max_mtu) {
netdev_err(netdev, "new MTU invalid. max_mtu is %d\n",
netdev->min_mtu);
return -EINVAL;
@@ -4835,7 +5111,7 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
return -EBUSY;
}
- netdev->mtu = new_mtu;
+ netdev->mtu = (unsigned int)new_mtu;
/* if VSI is up, bring it down and then back up */
if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
@@ -4859,6 +5135,118 @@ static int ice_change_mtu(struct net_device *netdev, int new_mtu)
}
/**
+ * ice_aq_str - convert AQ err code to a string
+ * @aq_err: the AQ error code to convert
+ */
+const char *ice_aq_str(enum ice_aq_err aq_err)
+{
+ switch (aq_err) {
+ case ICE_AQ_RC_OK:
+ return "OK";
+ case ICE_AQ_RC_EPERM:
+ return "ICE_AQ_RC_EPERM";
+ case ICE_AQ_RC_ENOENT:
+ return "ICE_AQ_RC_ENOENT";
+ case ICE_AQ_RC_ENOMEM:
+ return "ICE_AQ_RC_ENOMEM";
+ case ICE_AQ_RC_EBUSY:
+ return "ICE_AQ_RC_EBUSY";
+ case ICE_AQ_RC_EEXIST:
+ return "ICE_AQ_RC_EEXIST";
+ case ICE_AQ_RC_EINVAL:
+ return "ICE_AQ_RC_EINVAL";
+ case ICE_AQ_RC_ENOSPC:
+ return "ICE_AQ_RC_ENOSPC";
+ case ICE_AQ_RC_ENOSYS:
+ return "ICE_AQ_RC_ENOSYS";
+ case ICE_AQ_RC_EMODE:
+ return "ICE_AQ_RC_EMODE";
+ case ICE_AQ_RC_ENOSEC:
+ return "ICE_AQ_RC_ENOSEC";
+ case ICE_AQ_RC_EBADSIG:
+ return "ICE_AQ_RC_EBADSIG";
+ case ICE_AQ_RC_ESVN:
+ return "ICE_AQ_RC_ESVN";
+ case ICE_AQ_RC_EBADMAN:
+ return "ICE_AQ_RC_EBADMAN";
+ case ICE_AQ_RC_EBADBUF:
+ return "ICE_AQ_RC_EBADBUF";
+ }
+
+ return "ICE_AQ_RC_UNKNOWN";
+}
+
+/**
+ * ice_stat_str - convert status err code to a string
+ * @stat_err: the status error code to convert
+ */
+const char *ice_stat_str(enum ice_status stat_err)
+{
+ switch (stat_err) {
+ case ICE_SUCCESS:
+ return "OK";
+ case ICE_ERR_PARAM:
+ return "ICE_ERR_PARAM";
+ case ICE_ERR_NOT_IMPL:
+ return "ICE_ERR_NOT_IMPL";
+ case ICE_ERR_NOT_READY:
+ return "ICE_ERR_NOT_READY";
+ case ICE_ERR_NOT_SUPPORTED:
+ return "ICE_ERR_NOT_SUPPORTED";
+ case ICE_ERR_BAD_PTR:
+ return "ICE_ERR_BAD_PTR";
+ case ICE_ERR_INVAL_SIZE:
+ return "ICE_ERR_INVAL_SIZE";
+ case ICE_ERR_DEVICE_NOT_SUPPORTED:
+ return "ICE_ERR_DEVICE_NOT_SUPPORTED";
+ case ICE_ERR_RESET_FAILED:
+ return "ICE_ERR_RESET_FAILED";
+ case ICE_ERR_FW_API_VER:
+ return "ICE_ERR_FW_API_VER";
+ case ICE_ERR_NO_MEMORY:
+ return "ICE_ERR_NO_MEMORY";
+ case ICE_ERR_CFG:
+ return "ICE_ERR_CFG";
+ case ICE_ERR_OUT_OF_RANGE:
+ return "ICE_ERR_OUT_OF_RANGE";
+ case ICE_ERR_ALREADY_EXISTS:
+ return "ICE_ERR_ALREADY_EXISTS";
+ case ICE_ERR_NVM_CHECKSUM:
+ return "ICE_ERR_NVM_CHECKSUM";
+ case ICE_ERR_BUF_TOO_SHORT:
+ return "ICE_ERR_BUF_TOO_SHORT";
+ case ICE_ERR_NVM_BLANK_MODE:
+ return "ICE_ERR_NVM_BLANK_MODE";
+ case ICE_ERR_IN_USE:
+ return "ICE_ERR_IN_USE";
+ case ICE_ERR_MAX_LIMIT:
+ return "ICE_ERR_MAX_LIMIT";
+ case ICE_ERR_RESET_ONGOING:
+ return "ICE_ERR_RESET_ONGOING";
+ case ICE_ERR_HW_TABLE:
+ return "ICE_ERR_HW_TABLE";
+ case ICE_ERR_DOES_NOT_EXIST:
+ return "ICE_ERR_DOES_NOT_EXIST";
+ case ICE_ERR_FW_DDP_MISMATCH:
+ return "ICE_ERR_FW_DDP_MISMATCH";
+ case ICE_ERR_AQ_ERROR:
+ return "ICE_ERR_AQ_ERROR";
+ case ICE_ERR_AQ_TIMEOUT:
+ return "ICE_ERR_AQ_TIMEOUT";
+ case ICE_ERR_AQ_FULL:
+ return "ICE_ERR_AQ_FULL";
+ case ICE_ERR_AQ_NO_WORK:
+ return "ICE_ERR_AQ_NO_WORK";
+ case ICE_ERR_AQ_EMPTY:
+ return "ICE_ERR_AQ_EMPTY";
+ case ICE_ERR_AQ_FW_CRITICAL:
+ return "ICE_ERR_AQ_FW_CRITICAL";
+ }
+
+ return "ICE_ERR_UNKNOWN";
+}
+
+/**
* ice_set_rss - Set RSS keys and lut
* @vsi: Pointer to VSI structure
* @seed: RSS hash seed
@@ -4882,8 +5270,9 @@ int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
status = ice_aq_set_rss_key(hw, vsi->idx, buf);
if (status) {
- dev_err(dev, "Cannot set RSS key, err %d aq_err %d\n",
- status, hw->adminq.rq_last_status);
+ dev_err(dev, "Cannot set RSS key, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
return -EIO;
}
}
@@ -4892,8 +5281,9 @@ int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
lut, lut_size);
if (status) {
- dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n",
- status, hw->adminq.rq_last_status);
+ dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
return -EIO;
}
}
@@ -4924,8 +5314,9 @@ int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
status = ice_aq_get_rss_key(hw, vsi->idx, buf);
if (status) {
- dev_err(dev, "Cannot get RSS key, err %d aq_err %d\n",
- status, hw->adminq.rq_last_status);
+ dev_err(dev, "Cannot get RSS key, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
return -EIO;
}
}
@@ -4934,8 +5325,9 @@ int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
status = ice_aq_get_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
lut, lut_size);
if (status) {
- dev_err(dev, "Cannot get RSS lut, err %d aq_err %d\n",
- status, hw->adminq.rq_last_status);
+ dev_err(dev, "Cannot get RSS lut, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
return -EIO;
}
}
@@ -5002,8 +5394,9 @@ static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode)
status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
if (status) {
- dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %d aq_err %d\n",
- bmode, status, hw->adminq.sq_last_status);
+ dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %s aq_err %s\n",
+ bmode, ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto out;
}
@@ -5072,8 +5465,9 @@ ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
*/
status = ice_update_sw_rule_bridge_mode(hw);
if (status) {
- netdev_err(dev, "switch rule update failed, mode = %d err %d aq_err %d\n",
- mode, status, hw->adminq.sq_last_status);
+ netdev_err(dev, "switch rule update failed, mode = %d err %s aq_err %s\n",
+ mode, ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
/* revert hw->evb_veb */
hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB);
return -EIO;
@@ -5100,6 +5494,16 @@ static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue)
pf->tx_timeout_count++;
+ /* Check if PFC is enabled for the TC to which the queue belongs
+ * to. If yes then Tx timeout is not caused by a hung queue, no
+ * need to reset and rebuild
+ */
+ if (ice_is_pfc_causing_hung_q(pf, txqueue)) {
+ dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n",
+ txqueue);
+ return;
+ }
+
/* now that we have an index, find the tx_ring struct */
for (i = 0; i < vsi->num_txq; i++)
if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
@@ -5158,6 +5562,70 @@ static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue)
}
/**
+ * ice_udp_tunnel_add - Get notifications about UDP tunnel ports that come up
+ * @netdev: This physical port's netdev
+ * @ti: Tunnel endpoint information
+ */
+static void
+ice_udp_tunnel_add(struct net_device *netdev, struct udp_tunnel_info *ti)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ enum ice_tunnel_type tnl_type;
+ u16 port = ntohs(ti->port);
+ enum ice_status status;
+
+ switch (ti->type) {
+ case UDP_TUNNEL_TYPE_VXLAN:
+ tnl_type = TNL_VXLAN;
+ break;
+ case UDP_TUNNEL_TYPE_GENEVE:
+ tnl_type = TNL_GENEVE;
+ break;
+ default:
+ netdev_err(netdev, "Unknown tunnel type\n");
+ return;
+ }
+
+ status = ice_create_tunnel(&pf->hw, tnl_type, port);
+ if (status == ICE_ERR_OUT_OF_RANGE)
+ netdev_info(netdev, "Max tunneled UDP ports reached, port %d not added\n",
+ port);
+ else if (status)
+ netdev_err(netdev, "Error adding UDP tunnel - %s\n",
+ ice_stat_str(status));
+}
+
+/**
+ * ice_udp_tunnel_del - Get notifications about UDP tunnel ports that go away
+ * @netdev: This physical port's netdev
+ * @ti: Tunnel endpoint information
+ */
+static void
+ice_udp_tunnel_del(struct net_device *netdev, struct udp_tunnel_info *ti)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ u16 port = ntohs(ti->port);
+ enum ice_status status;
+ bool retval;
+
+ retval = ice_tunnel_port_in_use(&pf->hw, port, NULL);
+ if (!retval) {
+ netdev_info(netdev, "port %d not found in UDP tunnels list\n",
+ port);
+ return;
+ }
+
+ status = ice_destroy_tunnel(&pf->hw, port, false);
+ if (status)
+ netdev_err(netdev, "error deleting port %d from UDP tunnels list\n",
+ port);
+}
+
+/**
* ice_open - Called when a network interface becomes active
* @netdev: network interface device structure
*
@@ -5173,14 +5641,20 @@ int ice_open(struct net_device *netdev)
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
struct ice_port_info *pi;
int err;
- if (test_bit(__ICE_NEEDS_RESTART, vsi->back->state)) {
+ if (test_bit(__ICE_NEEDS_RESTART, pf->state)) {
netdev_err(netdev, "driver needs to be unloaded and reloaded\n");
return -EIO;
}
+ if (test_bit(__ICE_DOWN, pf->state)) {
+ netdev_err(netdev, "device is not ready yet\n");
+ return -EBUSY;
+ }
+
netif_carrier_off(netdev);
pi = vsi->port_info;
@@ -5213,6 +5687,10 @@ int ice_open(struct net_device *netdev)
if (err)
netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n",
vsi->vsi_num, vsi->vsw->sw_id);
+
+ /* Update existing tunnels information */
+ udp_tunnel_get_rx_info(netdev);
+
return err;
}
@@ -5263,21 +5741,21 @@ ice_features_check(struct sk_buff *skb,
features &= ~NETIF_F_GSO_MASK;
len = skb_network_header(skb) - skb->data;
- if (len & ~(ICE_TXD_MACLEN_MAX))
+ if (len > ICE_TXD_MACLEN_MAX || len & 0x1)
goto out_rm_features;
len = skb_transport_header(skb) - skb_network_header(skb);
- if (len & ~(ICE_TXD_IPLEN_MAX))
+ if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
goto out_rm_features;
if (skb->encapsulation) {
len = skb_inner_network_header(skb) - skb_transport_header(skb);
- if (len & ~(ICE_TXD_L4LEN_MAX))
+ if (len > ICE_TXD_L4LEN_MAX || len & 0x1)
goto out_rm_features;
len = skb_inner_transport_header(skb) -
skb_inner_network_header(skb);
- if (len & ~(ICE_TXD_IPLEN_MAX))
+ if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
goto out_rm_features;
}
@@ -5322,8 +5800,13 @@ static const struct net_device_ops ice_netdev_ops = {
.ndo_bridge_setlink = ice_bridge_setlink,
.ndo_fdb_add = ice_fdb_add,
.ndo_fdb_del = ice_fdb_del,
+#ifdef CONFIG_RFS_ACCEL
+ .ndo_rx_flow_steer = ice_rx_flow_steer,
+#endif
.ndo_tx_timeout = ice_tx_timeout,
.ndo_bpf = ice_xdp,
.ndo_xdp_xmit = ice_xdp_xmit,
.ndo_xsk_wakeup = ice_xsk_wakeup,
+ .ndo_udp_tunnel_add = ice_udp_tunnel_add,
+ .ndo_udp_tunnel_del = ice_udp_tunnel_del,
};
diff --git a/drivers/net/ethernet/intel/ice/ice_nvm.c b/drivers/net/ethernet/intel/ice/ice_nvm.c
index 8beb675d676b..b049c1c30c88 100644
--- a/drivers/net/ethernet/intel/ice/ice_nvm.c
+++ b/drivers/net/ethernet/intel/ice/ice_nvm.c
@@ -172,7 +172,8 @@ void ice_release_nvm(struct ice_hw *hw)
*
* Reads one 16 bit word from the Shadow RAM using the ice_read_sr_word_aq.
*/
-enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data)
+static enum ice_status
+ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data)
{
enum ice_status status;
@@ -196,7 +197,7 @@ enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data)
* Area (PFA) and returns the TLV pointer and length. The caller can
* use these to read the variable length TLV value.
*/
-enum ice_status
+static enum ice_status
ice_get_pfa_module_tlv(struct ice_hw *hw, u16 *module_tlv, u16 *module_tlv_len,
u16 module_type)
{
@@ -367,6 +368,87 @@ static enum ice_status ice_get_orom_ver_info(struct ice_hw *hw)
}
/**
+ * ice_get_netlist_ver_info
+ * @hw: pointer to the HW struct
+ *
+ * Get the netlist version information
+ */
+static enum ice_status ice_get_netlist_ver_info(struct ice_hw *hw)
+{
+ struct ice_netlist_ver_info *ver = &hw->netlist_ver;
+ enum ice_status ret;
+ u32 id_blk_start;
+ __le16 raw_data;
+ u16 data, i;
+ u16 *buff;
+
+ ret = ice_acquire_nvm(hw, ICE_RES_READ);
+ if (ret)
+ return ret;
+ buff = kcalloc(ICE_AQC_NVM_NETLIST_ID_BLK_LEN, sizeof(*buff),
+ GFP_KERNEL);
+ if (!buff) {
+ ret = ICE_ERR_NO_MEMORY;
+ goto exit_no_mem;
+ }
+
+ /* read module length */
+ ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
+ ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN_OFFSET * 2,
+ ICE_AQC_NVM_LINK_TOPO_NETLIST_LEN, &raw_data,
+ false, false, NULL);
+ if (ret)
+ goto exit_error;
+
+ data = le16_to_cpu(raw_data);
+ /* exit if length is = 0 */
+ if (!data)
+ goto exit_error;
+
+ /* read node count */
+ ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
+ ICE_AQC_NVM_NETLIST_NODE_COUNT_OFFSET * 2,
+ ICE_AQC_NVM_NETLIST_NODE_COUNT_LEN, &raw_data,
+ false, false, NULL);
+ if (ret)
+ goto exit_error;
+ data = le16_to_cpu(raw_data) & ICE_AQC_NVM_NETLIST_NODE_COUNT_M;
+
+ /* netlist ID block starts from offset 4 + node count * 2 */
+ id_blk_start = ICE_AQC_NVM_NETLIST_ID_BLK_START_OFFSET + data * 2;
+
+ /* read the entire netlist ID block */
+ ret = ice_aq_read_nvm(hw, ICE_AQC_NVM_LINK_TOPO_NETLIST_MOD_ID,
+ id_blk_start * 2,
+ ICE_AQC_NVM_NETLIST_ID_BLK_LEN * 2, buff, false,
+ false, NULL);
+ if (ret)
+ goto exit_error;
+
+ for (i = 0; i < ICE_AQC_NVM_NETLIST_ID_BLK_LEN; i++)
+ buff[i] = le16_to_cpu(((__force __le16 *)buff)[i]);
+
+ ver->major = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_HIGH] << 16) |
+ buff[ICE_AQC_NVM_NETLIST_ID_BLK_MAJOR_VER_LOW];
+ ver->minor = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_HIGH] << 16) |
+ buff[ICE_AQC_NVM_NETLIST_ID_BLK_MINOR_VER_LOW];
+ ver->type = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_HIGH] << 16) |
+ buff[ICE_AQC_NVM_NETLIST_ID_BLK_TYPE_LOW];
+ ver->rev = (buff[ICE_AQC_NVM_NETLIST_ID_BLK_REV_HIGH] << 16) |
+ buff[ICE_AQC_NVM_NETLIST_ID_BLK_REV_LOW];
+ ver->cust_ver = buff[ICE_AQC_NVM_NETLIST_ID_BLK_CUST_VER];
+ /* Read the left most 4 bytes of SHA */
+ ver->hash = buff[ICE_AQC_NVM_NETLIST_ID_BLK_SHA_HASH + 15] << 16 |
+ buff[ICE_AQC_NVM_NETLIST_ID_BLK_SHA_HASH + 14];
+
+exit_error:
+ kfree(buff);
+exit_no_mem:
+ ice_release_nvm(hw);
+ return ret;
+}
+
+/**
* ice_discover_flash_size - Discover the available flash size.
* @hw: pointer to the HW struct
*
@@ -515,6 +597,11 @@ enum ice_status ice_init_nvm(struct ice_hw *hw)
return status;
}
+ /* read the netlist version information */
+ status = ice_get_netlist_ver_info(hw);
+ if (status)
+ ice_debug(hw, ICE_DBG_INIT, "Failed to read netlist info.\n");
+
return 0;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_nvm.h b/drivers/net/ethernet/intel/ice/ice_nvm.h
index 999f273ba6ad..165eda07b93d 100644
--- a/drivers/net/ethernet/intel/ice/ice_nvm.h
+++ b/drivers/net/ethernet/intel/ice/ice_nvm.h
@@ -11,10 +11,6 @@ enum ice_status
ice_read_flat_nvm(struct ice_hw *hw, u32 offset, u32 *length, u8 *data,
bool read_shadow_ram);
enum ice_status
-ice_get_pfa_module_tlv(struct ice_hw *hw, u16 *module_tlv, u16 *module_tlv_len,
- u16 module_type);
-enum ice_status
ice_read_pba_string(struct ice_hw *hw, u8 *pba_num, u32 pba_num_size);
enum ice_status ice_init_nvm(struct ice_hw *hw);
-enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data);
#endif /* _ICE_NVM_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_protocol_type.h b/drivers/net/ethernet/intel/ice/ice_protocol_type.h
index 71647566964e..7f4c1ec1eff2 100644
--- a/drivers/net/ethernet/intel/ice/ice_protocol_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_protocol_type.h
@@ -12,12 +12,15 @@
*/
enum ice_prot_id {
ICE_PROT_ID_INVAL = 0,
+ ICE_PROT_MAC_OF_OR_S = 1,
ICE_PROT_IPV4_OF_OR_S = 32,
ICE_PROT_IPV4_IL = 33,
ICE_PROT_IPV6_OF_OR_S = 40,
ICE_PROT_IPV6_IL = 41,
ICE_PROT_TCP_IL = 49,
+ ICE_PROT_UDP_OF = 52,
ICE_PROT_UDP_IL_OR_S = 53,
+ ICE_PROT_GRE_OF = 64,
ICE_PROT_SCTP_IL = 96,
ICE_PROT_META_ID = 255, /* when offset == metadata */
ICE_PROT_INVALID = 255 /* when offset == ICE_FV_OFFSET_INVAL */
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c
index eae707ddf8e8..0475134295e4 100644
--- a/drivers/net/ethernet/intel/ice/ice_sched.c
+++ b/drivers/net/ethernet/intel/ice/ice_sched.c
@@ -1714,8 +1714,7 @@ ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
* This function removes single aggregator VSI info entry from
* aggregator list.
*/
-static void
-ice_sched_rm_agg_vsi_info(struct ice_port_info *pi, u16 vsi_handle)
+static void ice_sched_rm_agg_vsi_info(struct ice_port_info *pi, u16 vsi_handle)
{
struct ice_sched_agg_info *agg_info;
struct ice_sched_agg_info *atmp;
@@ -1917,7 +1916,7 @@ ice_sched_update_elem(struct ice_hw *hw, struct ice_sched_node *node,
*/
static enum ice_status
ice_sched_cfg_node_bw_alloc(struct ice_hw *hw, struct ice_sched_node *node,
- enum ice_rl_type rl_type, u8 bw_alloc)
+ enum ice_rl_type rl_type, u16 bw_alloc)
{
struct ice_aqc_txsched_elem_data buf;
struct ice_aqc_txsched_elem *data;
@@ -1947,8 +1946,7 @@ ice_sched_cfg_node_bw_alloc(struct ice_hw *hw, struct ice_sched_node *node,
*
* Save or clear CIR bandwidth (BW) in the passed param bw_t_info.
*/
-static void
-ice_set_clear_cir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
+static void ice_set_clear_cir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
{
if (bw == ICE_SCHED_DFLT_BW) {
clear_bit(ICE_BW_TYPE_CIR, bw_t_info->bw_t_bitmap);
@@ -1967,8 +1965,7 @@ ice_set_clear_cir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
*
* Save or clear EIR bandwidth (BW) in the passed param bw_t_info.
*/
-static void
-ice_set_clear_eir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
+static void ice_set_clear_eir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
{
if (bw == ICE_SCHED_DFLT_BW) {
clear_bit(ICE_BW_TYPE_EIR, bw_t_info->bw_t_bitmap);
@@ -1993,8 +1990,7 @@ ice_set_clear_eir_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
*
* Save or clear shared bandwidth (BW) in the passed param bw_t_info.
*/
-static void
-ice_set_clear_shared_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
+static void ice_set_clear_shared_bw(struct ice_bw_type_info *bw_t_info, u32 bw)
{
if (bw == ICE_SCHED_DFLT_BW) {
clear_bit(ICE_BW_TYPE_SHARED, bw_t_info->bw_t_bitmap);
diff --git a/drivers/net/ethernet/intel/ice/ice_status.h b/drivers/net/ethernet/intel/ice/ice_status.h
index a9a8bc3aca42..4028c6365172 100644
--- a/drivers/net/ethernet/intel/ice/ice_status.h
+++ b/drivers/net/ethernet/intel/ice/ice_status.h
@@ -27,6 +27,8 @@ enum ice_status {
ICE_ERR_MAX_LIMIT = -17,
ICE_ERR_RESET_ONGOING = -18,
ICE_ERR_HW_TABLE = -19,
+ ICE_ERR_FW_DDP_MISMATCH = -20,
+
ICE_ERR_NVM_CHECKSUM = -51,
ICE_ERR_BUF_TOO_SHORT = -52,
ICE_ERR_NVM_BLANK_MODE = -53,
@@ -35,6 +37,7 @@ enum ice_status {
ICE_ERR_AQ_FULL = -102,
ICE_ERR_AQ_NO_WORK = -103,
ICE_ERR_AQ_EMPTY = -104,
+ ICE_ERR_AQ_FW_CRITICAL = -105,
};
#endif /* _ICE_STATUS_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 51825a203e35..ff7d16ac693e 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -593,8 +593,8 @@ enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
ICE_AQC_GET_SW_CONF_RESP_IS_VF)
is_vf = true;
- res_type = le16_to_cpu(ele->vsi_port_num) >>
- ICE_AQC_GET_SW_CONF_RESP_TYPE_S;
+ res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >>
+ ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) {
/* FW VSI is not needed. Just continue. */
@@ -1612,18 +1612,17 @@ exit:
* check for duplicates in this case, removing duplicates from a given
* list should be taken care of in the caller of this function.
*/
-enum ice_status
-ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
+enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
{
struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
struct ice_fltr_list_entry *m_list_itr;
struct list_head *rule_head;
- u16 elem_sent, total_elem_left;
+ u16 total_elem_left, s_rule_size;
struct ice_switch_info *sw;
struct mutex *rule_lock; /* Lock to protect filter rule list */
enum ice_status status = 0;
u16 num_unicast = 0;
- u16 s_rule_size;
+ u8 elem_sent;
if (!m_list || !hw)
return ICE_ERR_PARAM;
@@ -1707,8 +1706,8 @@ ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
total_elem_left -= elem_sent) {
struct ice_aqc_sw_rules_elem *entry = r_iter;
- elem_sent = min(total_elem_left,
- (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
+ elem_sent = min_t(u8, total_elem_left,
+ (ICE_AQ_MAX_BUF_LEN / s_rule_size));
status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
elem_sent, ice_aqc_opc_add_sw_rules,
NULL);
@@ -1914,8 +1913,7 @@ exit:
* @hw: pointer to the hardware structure
* @v_list: list of VLAN entries and forwarding information
*/
-enum ice_status
-ice_add_vlan(struct ice_hw *hw, struct list_head *v_list)
+enum ice_status ice_add_vlan(struct ice_hw *hw, struct list_head *v_list)
{
struct ice_fltr_list_entry *v_list_itr;
@@ -2145,8 +2143,7 @@ ice_find_ucast_rule_entry(struct ice_hw *hw, u8 recp_id,
* the entries passed into m_list were added previously. It will not attempt to
* do a partial remove of entries that were found.
*/
-enum ice_status
-ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
+enum ice_status ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
{
struct ice_fltr_list_entry *list_itr, *tmp;
struct mutex *rule_lock; /* Lock to protect filter rule list */
@@ -2678,6 +2675,81 @@ void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
}
/**
+ * ice_alloc_res_cntr - allocating resource counter
+ * @hw: pointer to the hardware structure
+ * @type: type of resource
+ * @alloc_shared: if set it is shared else dedicated
+ * @num_items: number of entries requested for FD resource type
+ * @counter_id: counter index returned by AQ call
+ */
+enum ice_status
+ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 *counter_id)
+{
+ struct ice_aqc_alloc_free_res_elem *buf;
+ enum ice_status status;
+ u16 buf_len;
+
+ /* Allocate resource */
+ buf_len = sizeof(*buf);
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return ICE_ERR_NO_MEMORY;
+
+ buf->num_elems = cpu_to_le16(num_items);
+ buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
+ ICE_AQC_RES_TYPE_M) | alloc_shared);
+
+ status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
+ ice_aqc_opc_alloc_res, NULL);
+ if (status)
+ goto exit;
+
+ *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
+
+exit:
+ kfree(buf);
+ return status;
+}
+
+/**
+ * ice_free_res_cntr - free resource counter
+ * @hw: pointer to the hardware structure
+ * @type: type of resource
+ * @alloc_shared: if set it is shared else dedicated
+ * @num_items: number of entries to be freed for FD resource type
+ * @counter_id: counter ID resource which needs to be freed
+ */
+enum ice_status
+ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 counter_id)
+{
+ struct ice_aqc_alloc_free_res_elem *buf;
+ enum ice_status status;
+ u16 buf_len;
+
+ /* Free resource */
+ buf_len = sizeof(*buf);
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return ICE_ERR_NO_MEMORY;
+
+ buf->num_elems = cpu_to_le16(num_items);
+ buf->res_type = cpu_to_le16(((type << ICE_AQC_RES_TYPE_S) &
+ ICE_AQC_RES_TYPE_M) | alloc_shared);
+ buf->elem[0].e.sw_resp = cpu_to_le16(counter_id);
+
+ status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
+ ice_aqc_opc_free_res, NULL);
+ if (status)
+ ice_debug(hw, ICE_DBG_SW,
+ "counter resource could not be freed\n");
+
+ kfree(buf);
+ return status;
+}
+
+/**
* ice_replay_vsi_fltr - Replay filters for requested VSI
* @hw: pointer to the hardware structure
* @vsi_handle: driver VSI handle
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index fa14b9545dab..8b4f9d35c860 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -208,6 +208,13 @@ void ice_clear_all_vsi_ctx(struct ice_hw *hw);
/* Switch config */
enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
+enum ice_status
+ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 *counter_id);
+enum ice_status
+ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
+ u16 counter_id);
+
/* Switch/bridge related commands */
enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw);
enum ice_status ice_add_mac(struct ice_hw *hw, struct list_head *m_lst);
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index f67e8362958c..abdb137c8bb7 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -15,6 +15,90 @@
#define ICE_RX_HDR_SIZE 256
+#define FDIR_DESC_RXDID 0x40
+#define ICE_FDIR_CLEAN_DELAY 10
+
+/**
+ * ice_prgm_fdir_fltr - Program a Flow Director filter
+ * @vsi: VSI to send dummy packet
+ * @fdir_desc: flow director descriptor
+ * @raw_packet: allocated buffer for flow director
+ */
+int
+ice_prgm_fdir_fltr(struct ice_vsi *vsi, struct ice_fltr_desc *fdir_desc,
+ u8 *raw_packet)
+{
+ struct ice_tx_buf *tx_buf, *first;
+ struct ice_fltr_desc *f_desc;
+ struct ice_tx_desc *tx_desc;
+ struct ice_ring *tx_ring;
+ struct device *dev;
+ dma_addr_t dma;
+ u32 td_cmd;
+ u16 i;
+
+ /* VSI and Tx ring */
+ if (!vsi)
+ return -ENOENT;
+ tx_ring = vsi->tx_rings[0];
+ if (!tx_ring || !tx_ring->desc)
+ return -ENOENT;
+ dev = tx_ring->dev;
+
+ /* we are using two descriptors to add/del a filter and we can wait */
+ for (i = ICE_FDIR_CLEAN_DELAY; ICE_DESC_UNUSED(tx_ring) < 2; i--) {
+ if (!i)
+ return -EAGAIN;
+ msleep_interruptible(1);
+ }
+
+ dma = dma_map_single(dev, raw_packet, ICE_FDIR_MAX_RAW_PKT_SIZE,
+ DMA_TO_DEVICE);
+
+ if (dma_mapping_error(dev, dma))
+ return -EINVAL;
+
+ /* grab the next descriptor */
+ i = tx_ring->next_to_use;
+ first = &tx_ring->tx_buf[i];
+ f_desc = ICE_TX_FDIRDESC(tx_ring, i);
+ memcpy(f_desc, fdir_desc, sizeof(*f_desc));
+
+ i++;
+ i = (i < tx_ring->count) ? i : 0;
+ tx_desc = ICE_TX_DESC(tx_ring, i);
+ tx_buf = &tx_ring->tx_buf[i];
+
+ i++;
+ tx_ring->next_to_use = (i < tx_ring->count) ? i : 0;
+
+ memset(tx_buf, 0, sizeof(*tx_buf));
+ dma_unmap_len_set(tx_buf, len, ICE_FDIR_MAX_RAW_PKT_SIZE);
+ dma_unmap_addr_set(tx_buf, dma, dma);
+
+ tx_desc->buf_addr = cpu_to_le64(dma);
+ td_cmd = ICE_TXD_LAST_DESC_CMD | ICE_TX_DESC_CMD_DUMMY |
+ ICE_TX_DESC_CMD_RE;
+
+ tx_buf->tx_flags = ICE_TX_FLAGS_DUMMY_PKT;
+ tx_buf->raw_buf = raw_packet;
+
+ tx_desc->cmd_type_offset_bsz =
+ ice_build_ctob(td_cmd, 0, ICE_FDIR_MAX_RAW_PKT_SIZE, 0);
+
+ /* Force memory write to complete before letting h/w know
+ * there are new descriptors to fetch.
+ */
+ wmb();
+
+ /* mark the data descriptor to be watched */
+ first->next_to_watch = tx_desc;
+
+ writel(tx_ring->next_to_use, tx_ring->tail);
+
+ return 0;
+}
+
/**
* ice_unmap_and_free_tx_buf - Release a Tx buffer
* @ring: the ring that owns the buffer
@@ -24,7 +108,9 @@ static void
ice_unmap_and_free_tx_buf(struct ice_ring *ring, struct ice_tx_buf *tx_buf)
{
if (tx_buf->skb) {
- if (ice_ring_is_xdp(ring))
+ if (tx_buf->tx_flags & ICE_TX_FLAGS_DUMMY_PKT)
+ devm_kfree(ring->dev, tx_buf->raw_buf);
+ else if (ice_ring_is_xdp(ring))
page_frag_free(tx_buf->raw_buf);
else
dev_kfree_skb_any(tx_buf->skb);
@@ -423,6 +509,22 @@ static unsigned int ice_rx_offset(struct ice_ring *rx_ring)
return 0;
}
+static unsigned int ice_rx_frame_truesize(struct ice_ring *rx_ring,
+ unsigned int size)
+{
+ unsigned int truesize;
+
+#if (PAGE_SIZE < 8192)
+ truesize = ice_rx_pg_size(rx_ring) / 2; /* Must be power-of-2 */
+#else
+ truesize = ice_rx_offset(rx_ring) ?
+ SKB_DATA_ALIGN(ice_rx_offset(rx_ring) + size) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
+ SKB_DATA_ALIGN(size);
+#endif
+ return truesize;
+}
+
/**
* ice_run_xdp - Executes an XDP program on initialized xdp_buff
* @rx_ring: Rx ring
@@ -583,7 +685,8 @@ bool ice_alloc_rx_bufs(struct ice_ring *rx_ring, u16 cleaned_count)
struct ice_rx_buf *bi;
/* do nothing if no valid netdev defined */
- if (!rx_ring->netdev || !cleaned_count)
+ if ((!rx_ring->netdev && rx_ring->vsi->type != ICE_VSI_CTRL) ||
+ !cleaned_count)
return false;
/* get the Rx descriptor and buffer based on next_to_use */
@@ -803,7 +906,7 @@ static struct sk_buff *
ice_build_skb(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf,
struct xdp_buff *xdp)
{
- unsigned int metasize = xdp->data - xdp->data_meta;
+ u8 metasize = xdp->data - xdp->data_meta;
#if (PAGE_SIZE < 8192)
unsigned int truesize = ice_rx_pg_size(rx_ring) / 2;
#else
@@ -918,7 +1021,7 @@ ice_construct_skb(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf,
*/
static void ice_put_rx_buf(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf)
{
- u32 ntc = rx_ring->next_to_clean + 1;
+ u16 ntc = rx_ring->next_to_clean + 1;
/* fetch, update, and store next to clean */
ntc = (ntc < rx_ring->count) ? ntc : 0;
@@ -981,7 +1084,7 @@ ice_is_non_eop(struct ice_ring *rx_ring, union ice_32b_rx_flex_desc *rx_desc,
*
* Returns amount of work completed
*/
-static int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
+int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
{
unsigned int total_rx_bytes = 0, total_rx_pkts = 0;
u16 cleaned_count = ICE_DESC_UNUSED(rx_ring);
@@ -991,6 +1094,10 @@ static int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
bool failure;
xdp.rxq = &rx_ring->xdp_rxq;
+ /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */
+#if (PAGE_SIZE < 8192)
+ xdp.frame_sz = ice_rx_frame_truesize(rx_ring, 0);
+#endif
/* start the loop to process Rx packets bounded by 'budget' */
while (likely(total_rx_pkts < (unsigned int)budget)) {
@@ -1020,6 +1127,12 @@ static int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
*/
dma_rmb();
+ if (rx_desc->wb.rxdid == FDIR_DESC_RXDID || !rx_ring->netdev) {
+ ice_put_rx_buf(rx_ring, NULL);
+ cleaned_count++;
+ continue;
+ }
+
size = le16_to_cpu(rx_desc->wb.pkt_len) &
ICE_RX_FLX_DESC_PKT_LEN_M;
@@ -1038,6 +1151,10 @@ static int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
xdp.data_hard_start = xdp.data - ice_rx_offset(rx_ring);
xdp.data_meta = xdp.data;
xdp.data_end = xdp.data + size;
+#if (PAGE_SIZE > 4096)
+ /* At larger PAGE_SIZE, frame_sz depend on len size */
+ xdp.frame_sz = ice_rx_frame_truesize(rx_ring, size);
+#endif
rcu_read_lock();
xdp_prog = READ_ONCE(rx_ring->xdp_prog);
@@ -1051,16 +1168,8 @@ static int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget)
if (!xdp_res)
goto construct_skb;
if (xdp_res & (ICE_XDP_TX | ICE_XDP_REDIR)) {
- unsigned int truesize;
-
-#if (PAGE_SIZE < 8192)
- truesize = ice_rx_pg_size(rx_ring) / 2;
-#else
- truesize = SKB_DATA_ALIGN(ice_rx_offset(rx_ring) +
- size);
-#endif
xdp_xmit |= xdp_res;
- ice_rx_buf_adjust_pg_offset(rx_buf, truesize);
+ ice_rx_buf_adjust_pg_offset(rx_buf, xdp.frame_sz);
} else {
rx_buf->pagecnt_bias++;
}
@@ -1528,7 +1637,7 @@ int ice_napi_poll(struct napi_struct *napi, int budget)
* don't allow the budget to go below 1 because that would exit
* polling early.
*/
- budget_per_ring = max(budget / q_vector->num_ring_rx, 1);
+ budget_per_ring = max_t(int, budget / q_vector->num_ring_rx, 1);
else
/* Max of 1 Rx ring in this q_vector so give it the budget */
budget_per_ring = budget;
@@ -1664,7 +1773,8 @@ ice_tx_map(struct ice_ring *tx_ring, struct ice_tx_buf *first,
*/
while (unlikely(size > ICE_MAX_DATA_PER_TXD)) {
tx_desc->cmd_type_offset_bsz =
- build_ctob(td_cmd, td_offset, max_data, td_tag);
+ ice_build_ctob(td_cmd, td_offset, max_data,
+ td_tag);
tx_desc++;
i++;
@@ -1684,8 +1794,8 @@ ice_tx_map(struct ice_ring *tx_ring, struct ice_tx_buf *first,
if (likely(!data_len))
break;
- tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, td_offset,
- size, td_tag);
+ tx_desc->cmd_type_offset_bsz = ice_build_ctob(td_cmd, td_offset,
+ size, td_tag);
tx_desc++;
i++;
@@ -1716,8 +1826,8 @@ ice_tx_map(struct ice_ring *tx_ring, struct ice_tx_buf *first,
/* write last descriptor with RS and EOP bits */
td_cmd |= (u64)ICE_TXD_LAST_DESC_CMD;
- tx_desc->cmd_type_offset_bsz = build_ctob(td_cmd, td_offset, size,
- td_tag);
+ tx_desc->cmd_type_offset_bsz =
+ ice_build_ctob(td_cmd, td_offset, size, td_tag);
/* Force memory writes to complete before letting h/w know there
* are new descriptors to fetch.
@@ -1791,12 +1901,94 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
l2_len = ip.hdr - skb->data;
offset = (l2_len / 2) << ICE_TX_DESC_LEN_MACLEN_S;
- if (skb->encapsulation)
- return -1;
+ protocol = vlan_get_protocol(skb);
+
+ if (protocol == htons(ETH_P_IP))
+ first->tx_flags |= ICE_TX_FLAGS_IPV4;
+ else if (protocol == htons(ETH_P_IPV6))
+ first->tx_flags |= ICE_TX_FLAGS_IPV6;
+
+ if (skb->encapsulation) {
+ bool gso_ena = false;
+ u32 tunnel = 0;
+
+ /* define outer network header type */
+ if (first->tx_flags & ICE_TX_FLAGS_IPV4) {
+ tunnel |= (first->tx_flags & ICE_TX_FLAGS_TSO) ?
+ ICE_TX_CTX_EIPT_IPV4 :
+ ICE_TX_CTX_EIPT_IPV4_NO_CSUM;
+ l4_proto = ip.v4->protocol;
+ } else if (first->tx_flags & ICE_TX_FLAGS_IPV6) {
+ tunnel |= ICE_TX_CTX_EIPT_IPV6;
+ exthdr = ip.hdr + sizeof(*ip.v6);
+ l4_proto = ip.v6->nexthdr;
+ if (l4.hdr != exthdr)
+ ipv6_skip_exthdr(skb, exthdr - skb->data,
+ &l4_proto, &frag_off);
+ }
+
+ /* define outer transport */
+ switch (l4_proto) {
+ case IPPROTO_UDP:
+ tunnel |= ICE_TXD_CTX_UDP_TUNNELING;
+ first->tx_flags |= ICE_TX_FLAGS_TUNNEL;
+ break;
+ case IPPROTO_GRE:
+ tunnel |= ICE_TXD_CTX_GRE_TUNNELING;
+ first->tx_flags |= ICE_TX_FLAGS_TUNNEL;
+ break;
+ case IPPROTO_IPIP:
+ case IPPROTO_IPV6:
+ first->tx_flags |= ICE_TX_FLAGS_TUNNEL;
+ l4.hdr = skb_inner_network_header(skb);
+ break;
+ default:
+ if (first->tx_flags & ICE_TX_FLAGS_TSO)
+ return -1;
+
+ skb_checksum_help(skb);
+ return 0;
+ }
+
+ /* compute outer L3 header size */
+ tunnel |= ((l4.hdr - ip.hdr) / 4) <<
+ ICE_TXD_CTX_QW0_EIPLEN_S;
+
+ /* switch IP header pointer from outer to inner header */
+ ip.hdr = skb_inner_network_header(skb);
+
+ /* compute tunnel header size */
+ tunnel |= ((ip.hdr - l4.hdr) / 2) <<
+ ICE_TXD_CTX_QW0_NATLEN_S;
+
+ gso_ena = skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL;
+ /* indicate if we need to offload outer UDP header */
+ if ((first->tx_flags & ICE_TX_FLAGS_TSO) && !gso_ena &&
+ (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM))
+ tunnel |= ICE_TXD_CTX_QW0_L4T_CS_M;
+
+ /* record tunnel offload values */
+ off->cd_tunnel_params |= tunnel;
+
+ /* set DTYP=1 to indicate that it's an Tx context descriptor
+ * in IPsec tunnel mode with Tx offloads in Quad word 1
+ */
+ off->cd_qw1 |= (u64)ICE_TX_DESC_DTYPE_CTX;
+
+ /* switch L4 header pointer from outer to inner */
+ l4.hdr = skb_inner_transport_header(skb);
+ l4_proto = 0;
+
+ /* reset type as we transition from outer to inner headers */
+ first->tx_flags &= ~(ICE_TX_FLAGS_IPV4 | ICE_TX_FLAGS_IPV6);
+ if (ip.v4->version == 4)
+ first->tx_flags |= ICE_TX_FLAGS_IPV4;
+ if (ip.v6->version == 6)
+ first->tx_flags |= ICE_TX_FLAGS_IPV6;
+ }
/* Enable IP checksum offloads */
- protocol = vlan_get_protocol(skb);
- if (protocol == htons(ETH_P_IP)) {
+ if (first->tx_flags & ICE_TX_FLAGS_IPV4) {
l4_proto = ip.v4->protocol;
/* the stack computes the IP header already, the only time we
* need the hardware to recompute it is in the case of TSO.
@@ -1806,7 +1998,7 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
else
cmd |= ICE_TX_DESC_CMD_IIPT_IPV4;
- } else if (protocol == htons(ETH_P_IPV6)) {
+ } else if (first->tx_flags & ICE_TX_FLAGS_IPV6) {
cmd |= ICE_TX_DESC_CMD_IIPT_IPV6;
exthdr = ip.hdr + sizeof(*ip.v6);
l4_proto = ip.v6->nexthdr;
@@ -1861,49 +2053,25 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
*
* Checks the skb and set up correspondingly several generic transmit flags
* related to VLAN tagging for the HW, such as VLAN, DCB, etc.
- *
- * Returns error code indicate the frame should be dropped upon error and the
- * otherwise returns 0 to indicate the flags has been set properly.
*/
-static int
+static void
ice_tx_prepare_vlan_flags(struct ice_ring *tx_ring, struct ice_tx_buf *first)
{
struct sk_buff *skb = first->skb;
- __be16 protocol = skb->protocol;
-
- if (protocol == htons(ETH_P_8021Q) &&
- !(tx_ring->netdev->features & NETIF_F_HW_VLAN_CTAG_TX)) {
- /* when HW VLAN acceleration is turned off by the user the
- * stack sets the protocol to 8021q so that the driver
- * can take any steps required to support the SW only
- * VLAN handling. In our case the driver doesn't need
- * to take any further steps so just set the protocol
- * to the encapsulated ethertype.
- */
- skb->protocol = vlan_get_protocol(skb);
- return 0;
- }
- /* if we have a HW VLAN tag being added, default to the HW one */
+ /* nothing left to do, software offloaded VLAN */
+ if (!skb_vlan_tag_present(skb) && eth_type_vlan(skb->protocol))
+ return;
+
+ /* currently, we always assume 802.1Q for VLAN insertion as VLAN
+ * insertion for 802.1AD is not supported
+ */
if (skb_vlan_tag_present(skb)) {
first->tx_flags |= skb_vlan_tag_get(skb) << ICE_TX_FLAGS_VLAN_S;
first->tx_flags |= ICE_TX_FLAGS_HW_VLAN;
- } else if (protocol == htons(ETH_P_8021Q)) {
- struct vlan_hdr *vhdr, _vhdr;
-
- /* for SW VLAN, check the next protocol and store the tag */
- vhdr = (struct vlan_hdr *)skb_header_pointer(skb, ETH_HLEN,
- sizeof(_vhdr),
- &_vhdr);
- if (!vhdr)
- return -EINVAL;
-
- first->tx_flags |= ntohs(vhdr->h_vlan_TCI) <<
- ICE_TX_FLAGS_VLAN_S;
- first->tx_flags |= ICE_TX_FLAGS_SW_VLAN;
}
- return ice_tx_prepare_vlan_flags_dcb(tx_ring, first);
+ ice_tx_prepare_vlan_flags_dcb(tx_ring, first);
}
/**
@@ -1928,7 +2096,8 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
unsigned char *hdr;
} l4;
u64 cd_mss, cd_tso_len;
- u32 paylen, l4_start;
+ u32 paylen;
+ u8 l4_start;
int err;
if (skb->ip_summed != CHECKSUM_PARTIAL)
@@ -1953,8 +2122,42 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
ip.v6->payload_len = 0;
}
+ if (skb_shinfo(skb)->gso_type & (SKB_GSO_GRE |
+ SKB_GSO_GRE_CSUM |
+ SKB_GSO_IPXIP4 |
+ SKB_GSO_IPXIP6 |
+ SKB_GSO_UDP_TUNNEL |
+ SKB_GSO_UDP_TUNNEL_CSUM)) {
+ if (!(skb_shinfo(skb)->gso_type & SKB_GSO_PARTIAL) &&
+ (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL_CSUM)) {
+ l4.udp->len = 0;
+
+ /* determine offset of outer transport header */
+ l4_start = (u8)(l4.hdr - skb->data);
+
+ /* remove payload length from outer checksum */
+ paylen = skb->len - l4_start;
+ csum_replace_by_diff(&l4.udp->check,
+ (__force __wsum)htonl(paylen));
+ }
+
+ /* reset pointers to inner headers */
+
+ /* cppcheck-suppress unreadVariable */
+ ip.hdr = skb_inner_network_header(skb);
+ l4.hdr = skb_inner_transport_header(skb);
+
+ /* initialize inner IP header fields */
+ if (ip.v4->version == 4) {
+ ip.v4->tot_len = 0;
+ ip.v4->check = 0;
+ } else {
+ ip.v6->payload_len = 0;
+ }
+ }
+
/* determine offset of transport header */
- l4_start = l4.hdr - skb->data;
+ l4_start = (u8)(l4.hdr - skb->data);
/* remove payload length from checksum */
paylen = skb->len - l4_start;
@@ -1963,12 +2166,12 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
csum_replace_by_diff(&l4.udp->check,
(__force __wsum)htonl(paylen));
/* compute length of UDP segmentation header */
- off->header_len = sizeof(l4.udp) + l4_start;
+ off->header_len = (u8)sizeof(l4.udp) + l4_start;
} else {
csum_replace_by_diff(&l4.tcp->check,
(__force __wsum)htonl(paylen));
/* compute length of TCP segmentation header */
- off->header_len = (l4.tcp->doff * 4) + l4_start;
+ off->header_len = (u8)((l4.tcp->doff * 4) + l4_start);
}
/* update gso_segs and bytecount */
@@ -2176,8 +2379,7 @@ ice_xmit_frame_ring(struct sk_buff *skb, struct ice_ring *tx_ring)
first->tx_flags = 0;
/* prepare the VLAN tagging flags for Tx */
- if (ice_tx_prepare_vlan_flags(tx_ring, first))
- goto out_drop;
+ ice_tx_prepare_vlan_flags(tx_ring, first);
/* set up TSO offload */
tso = ice_tso(first, &offload);
@@ -2199,7 +2401,7 @@ ice_xmit_frame_ring(struct sk_buff *skb, struct ice_ring *tx_ring)
if (offload.cd_qw1 & ICE_TX_DESC_DTYPE_CTX) {
struct ice_tx_ctx_desc *cdesc;
- int i = tx_ring->next_to_use;
+ u16 i = tx_ring->next_to_use;
/* grab the next descriptor */
cdesc = ICE_TX_CTX_DESC(tx_ring, i);
@@ -2244,3 +2446,86 @@ netdev_tx_t ice_start_xmit(struct sk_buff *skb, struct net_device *netdev)
return ice_xmit_frame_ring(skb, tx_ring);
}
+
+/**
+ * ice_clean_ctrl_tx_irq - interrupt handler for flow director Tx queue
+ * @tx_ring: tx_ring to clean
+ */
+void ice_clean_ctrl_tx_irq(struct ice_ring *tx_ring)
+{
+ struct ice_vsi *vsi = tx_ring->vsi;
+ s16 i = tx_ring->next_to_clean;
+ int budget = ICE_DFLT_IRQ_WORK;
+ struct ice_tx_desc *tx_desc;
+ struct ice_tx_buf *tx_buf;
+
+ tx_buf = &tx_ring->tx_buf[i];
+ tx_desc = ICE_TX_DESC(tx_ring, i);
+ i -= tx_ring->count;
+
+ do {
+ struct ice_tx_desc *eop_desc = tx_buf->next_to_watch;
+
+ /* if next_to_watch is not set then there is no pending work */
+ if (!eop_desc)
+ break;
+
+ /* prevent any other reads prior to eop_desc */
+ smp_rmb();
+
+ /* if the descriptor isn't done, no work to do */
+ if (!(eop_desc->cmd_type_offset_bsz &
+ cpu_to_le64(ICE_TX_DESC_DTYPE_DESC_DONE)))
+ break;
+
+ /* clear next_to_watch to prevent false hangs */
+ tx_buf->next_to_watch = NULL;
+ tx_desc->buf_addr = 0;
+ tx_desc->cmd_type_offset_bsz = 0;
+
+ /* move past filter desc */
+ tx_buf++;
+ tx_desc++;
+ i++;
+ if (unlikely(!i)) {
+ i -= tx_ring->count;
+ tx_buf = tx_ring->tx_buf;
+ tx_desc = ICE_TX_DESC(tx_ring, 0);
+ }
+
+ /* unmap the data header */
+ if (dma_unmap_len(tx_buf, len))
+ dma_unmap_single(tx_ring->dev,
+ dma_unmap_addr(tx_buf, dma),
+ dma_unmap_len(tx_buf, len),
+ DMA_TO_DEVICE);
+ if (tx_buf->tx_flags & ICE_TX_FLAGS_DUMMY_PKT)
+ devm_kfree(tx_ring->dev, tx_buf->raw_buf);
+
+ /* clear next_to_watch to prevent false hangs */
+ tx_buf->raw_buf = NULL;
+ tx_buf->tx_flags = 0;
+ tx_buf->next_to_watch = NULL;
+ dma_unmap_len_set(tx_buf, len, 0);
+ tx_desc->buf_addr = 0;
+ tx_desc->cmd_type_offset_bsz = 0;
+
+ /* move past eop_desc for start of next FD desc */
+ tx_buf++;
+ tx_desc++;
+ i++;
+ if (unlikely(!i)) {
+ i -= tx_ring->count;
+ tx_buf = tx_ring->tx_buf;
+ tx_desc = ICE_TX_DESC(tx_ring, 0);
+ }
+
+ budget--;
+ } while (likely(budget));
+
+ i += tx_ring->count;
+ tx_ring->next_to_clean = i;
+
+ /* re-enable interrupt if needed */
+ ice_irq_dynamic_ena(&vsi->back->hw, vsi, vsi->q_vectors[0]);
+}
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h
index 7ee00a128663..e70c4619edc3 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.h
@@ -38,7 +38,8 @@
*/
#if (PAGE_SIZE < 8192)
#define ICE_2K_TOO_SMALL_WITH_PADDING \
-((NET_SKB_PAD + ICE_RXBUF_1536) > SKB_WITH_OVERHEAD(ICE_RXBUF_2048))
+ ((unsigned int)(NET_SKB_PAD + ICE_RXBUF_1536) > \
+ SKB_WITH_OVERHEAD(ICE_RXBUF_2048))
/**
* ice_compute_pad - compute the padding
@@ -107,12 +108,19 @@ static inline int ice_skb_pad(void)
#define DESC_NEEDED (MAX_SKB_FRAGS + ICE_DESCS_FOR_CTX_DESC + \
ICE_DESCS_PER_CACHE_LINE + ICE_DESCS_FOR_SKB_DATA_PTR)
#define ICE_DESC_UNUSED(R) \
- ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
- (R)->next_to_clean - (R)->next_to_use - 1)
+ (u16)((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+ (R)->next_to_clean - (R)->next_to_use - 1)
#define ICE_TX_FLAGS_TSO BIT(0)
#define ICE_TX_FLAGS_HW_VLAN BIT(1)
#define ICE_TX_FLAGS_SW_VLAN BIT(2)
+/* ICE_TX_FLAGS_DUMMY_PKT is used to mark dummy packets that should be
+ * freed instead of returned like skb packets.
+ */
+#define ICE_TX_FLAGS_DUMMY_PKT BIT(3)
+#define ICE_TX_FLAGS_IPV4 BIT(5)
+#define ICE_TX_FLAGS_IPV6 BIT(6)
+#define ICE_TX_FLAGS_TUNNEL BIT(7)
#define ICE_TX_FLAGS_VLAN_M 0xffff0000
#define ICE_TX_FLAGS_VLAN_PR_M 0xe0000000
#define ICE_TX_FLAGS_VLAN_PR_S 29
@@ -155,17 +163,16 @@ struct ice_tx_offload_params {
};
struct ice_rx_buf {
- struct sk_buff *skb;
- dma_addr_t dma;
union {
struct {
+ struct sk_buff *skb;
+ dma_addr_t dma;
struct page *page;
unsigned int page_offset;
u16 pagecnt_bias;
};
struct {
- void *addr;
- u64 handle;
+ struct xdp_buff *xdp;
};
};
};
@@ -289,7 +296,6 @@ struct ice_ring {
struct rcu_head rcu; /* to avoid race on free */
struct bpf_prog *xdp_prog;
struct xdp_umem *xsk_umem;
- struct zero_copy_allocator zca;
/* CL3 - 3rd cacheline starts here */
struct xdp_rxq_info xdp_rxq;
/* CLX - the below items are only accessed infrequently and should be
@@ -373,5 +379,9 @@ int ice_setup_rx_ring(struct ice_ring *rx_ring);
void ice_free_tx_ring(struct ice_ring *tx_ring);
void ice_free_rx_ring(struct ice_ring *rx_ring);
int ice_napi_poll(struct napi_struct *napi, int budget);
-
+int
+ice_prgm_fdir_fltr(struct ice_vsi *vsi, struct ice_fltr_desc *fdir_desc,
+ u8 *raw_packet);
+int ice_clean_rx_irq(struct ice_ring *rx_ring, int budget);
+void ice_clean_ctrl_tx_irq(struct ice_ring *tx_ring);
#endif /* _ICE_TXRX_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
index 6da048a6ca7c..02b12736ea80 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c
@@ -8,7 +8,7 @@
* @rx_ring: ring to bump
* @val: new head index
*/
-void ice_release_rx_desc(struct ice_ring *rx_ring, u32 val)
+void ice_release_rx_desc(struct ice_ring *rx_ring, u16 val)
{
u16 prev_ntu = rx_ring->next_to_use & ~0x7;
@@ -84,11 +84,11 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb,
union ice_32b_rx_flex_desc *rx_desc, u8 ptype)
{
struct ice_rx_ptype_decoded decoded;
- u32 rx_error, rx_status;
+ u16 rx_status0, rx_status1;
bool ipv4, ipv6;
- rx_status = le16_to_cpu(rx_desc->wb.status_error0);
- rx_error = rx_status;
+ rx_status0 = le16_to_cpu(rx_desc->wb.status_error0);
+ rx_status1 = le16_to_cpu(rx_desc->wb.status_error1);
decoded = ice_decode_rx_desc_ptype(ptype);
@@ -101,7 +101,7 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb,
return;
/* check if HW has decoded the packet and checksum */
- if (!(rx_status & BIT(ICE_RX_FLEX_DESC_STATUS0_L3L4P_S)))
+ if (!(rx_status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_L3L4P_S)))
return;
if (!(decoded.known && decoded.outer_ip))
@@ -112,19 +112,31 @@ ice_rx_csum(struct ice_ring *ring, struct sk_buff *skb,
ipv6 = (decoded.outer_ip == ICE_RX_PTYPE_OUTER_IP) &&
(decoded.outer_ip_ver == ICE_RX_PTYPE_OUTER_IPV6);
- if (ipv4 && (rx_error & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) |
- BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S))))
+ if (ipv4 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S) |
+ BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S))))
goto checksum_fail;
- else if (ipv6 && (rx_status &
- (BIT(ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S))))
+
+ if (ipv6 && (rx_status0 & (BIT(ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S))))
goto checksum_fail;
/* check for L4 errors and handle packets that were not able to be
* checksummed due to arrival speed
*/
- if (rx_error & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S))
+ if (rx_status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S))
+ goto checksum_fail;
+
+ /* check for outer UDP checksum error in tunneled packets */
+ if ((rx_status1 & BIT(ICE_RX_FLEX_DESC_STATUS1_NAT_S)) &&
+ (rx_status0 & BIT(ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S)))
goto checksum_fail;
+ /* If there is an outer header present that might contain a checksum
+ * we need to bump the checksum level by 1 to reflect the fact that
+ * we are indicating we validated the inner checksum.
+ */
+ if (decoded.tunnel_type >= ICE_RX_PTYPE_TUNNEL_IP_GRENAT)
+ skb->csum_level = 1;
+
/* Only report checksum unnecessary for TCP, UDP, or SCTP */
switch (decoded.inner_prot) {
case ICE_RX_PTYPE_INNER_PROT_TCP:
@@ -215,8 +227,8 @@ int ice_xmit_xdp_ring(void *data, u16 size, struct ice_ring *xdp_ring)
tx_desc = ICE_TX_DESC(xdp_ring, i);
tx_desc->buf_addr = cpu_to_le64(dma);
- tx_desc->cmd_type_offset_bsz = build_ctob(ICE_TXD_LAST_DESC_CMD, 0,
- size, 0);
+ tx_desc->cmd_type_offset_bsz = ice_build_ctob(ICE_TXD_LAST_DESC_CMD, 0,
+ size, 0);
/* Make certain all of the status bits have been updated
* before next_to_watch is written.
@@ -242,7 +254,7 @@ int ice_xmit_xdp_ring(void *data, u16 size, struct ice_ring *xdp_ring)
*/
int ice_xmit_xdp_buff(struct xdp_buff *xdp, struct ice_ring *xdp_ring)
{
- struct xdp_frame *xdpf = convert_to_xdp_frame(xdp);
+ struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return ICE_XDP_CONSUMED;
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
index ba9164dad9ae..58ff58f0f972 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
@@ -22,7 +22,7 @@ ice_test_staterr(union ice_32b_rx_flex_desc *rx_desc, const u16 stat_err_bits)
}
static inline __le64
-build_ctob(u64 td_cmd, u64 td_offset, unsigned int size, u64 td_tag)
+ice_build_ctob(u64 td_cmd, u64 td_offset, unsigned int size, u64 td_tag)
{
return cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
(td_cmd << ICE_TXD_QW1_CMD_S) |
@@ -49,7 +49,7 @@ static inline void ice_xdp_ring_update_tail(struct ice_ring *xdp_ring)
void ice_finalize_xdp_rx(struct ice_ring *rx_ring, unsigned int xdp_res);
int ice_xmit_xdp_buff(struct xdp_buff *xdp, struct ice_ring *xdp_ring);
int ice_xmit_xdp_ring(void *data, u16 size, struct ice_ring *xdp_ring);
-void ice_release_rx_desc(struct ice_ring *rx_ring, u32 val);
+void ice_release_rx_desc(struct ice_ring *rx_ring, u16 val);
void
ice_process_skb_fields(struct ice_ring *rx_ring,
union ice_32b_rx_flex_desc *rx_desc,
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index 4ce5f92fca4a..c1ad8622e65c 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -118,7 +118,8 @@ enum ice_media_type {
enum ice_vsi_type {
ICE_VSI_PF = 0,
- ICE_VSI_VF,
+ ICE_VSI_VF = 1,
+ ICE_VSI_CTRL = 3, /* equates to ICE_VSI_PF with 1 queue pair */
ICE_VSI_LB = 6,
};
@@ -161,6 +162,38 @@ struct ice_phy_info {
u8 get_link_info;
};
+/* protocol enumeration for filters */
+enum ice_fltr_ptype {
+ /* NONE - used for undef/error */
+ ICE_FLTR_PTYPE_NONF_NONE = 0,
+ ICE_FLTR_PTYPE_NONF_IPV4_UDP,
+ ICE_FLTR_PTYPE_NONF_IPV4_TCP,
+ ICE_FLTR_PTYPE_NONF_IPV4_SCTP,
+ ICE_FLTR_PTYPE_NONF_IPV4_OTHER,
+ ICE_FLTR_PTYPE_FRAG_IPV4,
+ ICE_FLTR_PTYPE_NONF_IPV6_UDP,
+ ICE_FLTR_PTYPE_NONF_IPV6_TCP,
+ ICE_FLTR_PTYPE_NONF_IPV6_SCTP,
+ ICE_FLTR_PTYPE_NONF_IPV6_OTHER,
+ ICE_FLTR_PTYPE_MAX,
+};
+
+enum ice_fd_hw_seg {
+ ICE_FD_HW_SEG_NON_TUN = 0,
+ ICE_FD_HW_SEG_TUN,
+ ICE_FD_HW_SEG_MAX,
+};
+
+/* 2 VSI = 1 ICE_VSI_PF + 1 ICE_VSI_CTRL */
+#define ICE_MAX_FDIR_VSI_PER_FILTER 2
+
+struct ice_fd_hw_prof {
+ struct ice_flow_seg_info *fdir_seg[ICE_FD_HW_SEG_MAX];
+ int cnt;
+ u64 entry_h[ICE_MAX_FDIR_VSI_PER_FILTER][ICE_FD_HW_SEG_MAX];
+ u16 vsi_h[ICE_MAX_FDIR_VSI_PER_FILTER];
+};
+
/* Common HW capabilities for SW use */
struct ice_hw_common_caps {
u32 valid_functions;
@@ -197,6 +230,8 @@ struct ice_hw_func_caps {
u32 num_allocd_vfs; /* Number of allocated VFs */
u32 vf_base_id; /* Logical ID of the first VF */
u32 guar_num_vsi;
+ u32 fd_fltr_guar; /* Number of filters guaranteed */
+ u32 fd_fltr_best_effort; /* Number of best effort filters */
};
/* Device wide capabilities */
@@ -204,6 +239,7 @@ struct ice_hw_dev_caps {
struct ice_hw_common_caps common_cap;
u32 num_vfs_exposed; /* Total number of VFs exposed */
u32 num_vsi_allocd_to_host; /* Excluding EMP VSI */
+ u32 num_flow_director_fltr; /* Number of FD filters available */
u32 num_funcs;
};
@@ -259,6 +295,16 @@ struct ice_nvm_info {
#define ICE_NVM_VER_LEN 32
+/* netlist version information */
+struct ice_netlist_ver_info {
+ u32 major; /* major high/low */
+ u32 minor; /* minor high/low */
+ u32 type; /* type high/low */
+ u32 rev; /* revision high/low */
+ u32 hash; /* SHA-1 hash word */
+ u16 cust_ver; /* customer version */
+};
+
/* Max number of port to queue branches w.r.t topology */
#define ICE_MAX_TRAFFIC_CLASS 8
#define ICE_TXSCHED_MAX_BRANCHES ICE_MAX_TRAFFIC_CLASS
@@ -479,6 +525,8 @@ struct ice_hw {
u64 debug_mask; /* bitmap for debug mask */
enum ice_mac_type mac_type;
+ u16 fd_ctr_base; /* FD counter base index */
+
/* pci info */
u16 device_id;
u16 vendor_id;
@@ -491,8 +539,8 @@ struct ice_hw {
u16 max_burst_size; /* driver sets this value */
/* Tx Scheduler values */
- u16 num_tx_sched_layers;
- u16 num_tx_sched_phys_layers;
+ u8 num_tx_sched_layers;
+ u8 num_tx_sched_phys_layers;
u8 flattened_layers;
u8 max_cgds;
u8 sw_entry_point_layer;
@@ -506,6 +554,7 @@ struct ice_hw {
struct ice_nvm_info nvm;
struct ice_hw_dev_caps dev_caps; /* device capabilities */
struct ice_hw_func_caps func_caps; /* function capabilities */
+ struct ice_netlist_ver_info netlist_ver; /* netlist version info */
struct ice_switch_info *switch_info; /* switch filter lists */
@@ -548,6 +597,7 @@ struct ice_hw {
/* Active package version (currently active) */
struct ice_pkg_ver active_pkg_ver;
+ u32 active_track_id;
u8 active_pkg_name[ICE_PKG_NAME_SIZE];
u8 active_pkg_in_nvm;
@@ -568,10 +618,29 @@ struct ice_hw {
u8 *pkg_copy;
u32 pkg_size;
+ /* tunneling info */
+ struct mutex tnl_lock;
+ struct ice_tunnel_table tnl;
+
/* HW block tables */
struct ice_blk_info blk[ICE_BLK_COUNT];
struct mutex fl_profs_locks[ICE_BLK_COUNT]; /* lock fltr profiles */
struct list_head fl_profs[ICE_BLK_COUNT];
+
+ /* Flow Director filter info */
+ int fdir_active_fltr;
+
+ struct mutex fdir_fltr_lock; /* protect Flow Director */
+ struct list_head fdir_list_head;
+
+ /* Book-keeping of side-band filter count per flow-type.
+ * This is used to detect and handle input set changes for
+ * respective flow-type.
+ */
+ u16 fdir_fltr_cnt[ICE_FLTR_PTYPE_MAX];
+
+ struct ice_fd_hw_prof **fdir_prof;
+ DECLARE_BITMAP(fdir_perfect_fltr, ICE_FLTR_PTYPE_MAX);
struct mutex rss_locks; /* protect RSS configuration */
struct list_head rss_list_head;
};
@@ -592,6 +661,8 @@ struct ice_eth_stats {
u64 tx_errors; /* tepc */
};
+#define ICE_MAX_UP 8
+
/* Statistics collected by the MAC */
struct ice_hw_port_stats {
/* eth stats collected by the port */
@@ -631,6 +702,9 @@ struct ice_hw_port_stats {
u64 tx_size_1023; /* ptc1023 */
u64 tx_size_1522; /* ptc1522 */
u64 tx_size_big; /* ptc9522 */
+ /* flow director stats */
+ u32 fd_sb_status;
+ u64 fd_sb_match;
};
/* Checksum and Shadow RAM pointers */
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 15191a325918..16a2f2526ccc 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -4,16 +4,18 @@
#include "ice.h"
#include "ice_base.h"
#include "ice_lib.h"
+#include "ice_fltr.h"
/**
* ice_validate_vf_id - helper to check if VF ID is valid
* @pf: pointer to the PF structure
* @vf_id: the ID of the VF to check
*/
-static int ice_validate_vf_id(struct ice_pf *pf, int vf_id)
+static int ice_validate_vf_id(struct ice_pf *pf, u16 vf_id)
{
+ /* vf_id range is only valid for 0-255, and should always be unsigned */
if (vf_id >= pf->num_alloc_vfs) {
- dev_err(ice_pf_to_dev(pf), "Invalid VF ID: %d\n", vf_id);
+ dev_err(ice_pf_to_dev(pf), "Invalid VF ID: %u\n", vf_id);
return -EINVAL;
}
return 0;
@@ -27,7 +29,7 @@ static int ice_validate_vf_id(struct ice_pf *pf, int vf_id)
static int ice_check_vf_init(struct ice_pf *pf, struct ice_vf *vf)
{
if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) {
- dev_err(ice_pf_to_dev(pf), "VF ID: %d in reset. Try again.\n",
+ dev_err(ice_pf_to_dev(pf), "VF ID: %u in reset. Try again.\n",
vf->vf_id);
return -EBUSY;
}
@@ -35,6 +37,37 @@ static int ice_check_vf_init(struct ice_pf *pf, struct ice_vf *vf)
}
/**
+ * ice_err_to_virt_err - translate errors for VF return code
+ * @ice_err: error return code
+ */
+static enum virtchnl_status_code ice_err_to_virt_err(enum ice_status ice_err)
+{
+ switch (ice_err) {
+ case ICE_SUCCESS:
+ return VIRTCHNL_STATUS_SUCCESS;
+ case ICE_ERR_BAD_PTR:
+ case ICE_ERR_INVAL_SIZE:
+ case ICE_ERR_DEVICE_NOT_SUPPORTED:
+ case ICE_ERR_PARAM:
+ case ICE_ERR_CFG:
+ return VIRTCHNL_STATUS_ERR_PARAM;
+ case ICE_ERR_NO_MEMORY:
+ return VIRTCHNL_STATUS_ERR_NO_MEMORY;
+ case ICE_ERR_NOT_READY:
+ case ICE_ERR_RESET_FAILED:
+ case ICE_ERR_FW_API_VER:
+ case ICE_ERR_AQ_ERROR:
+ case ICE_ERR_AQ_TIMEOUT:
+ case ICE_ERR_AQ_FULL:
+ case ICE_ERR_AQ_NO_WORK:
+ case ICE_ERR_AQ_EMPTY:
+ return VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
+ default:
+ return VIRTCHNL_STATUS_ERR_NOT_SUPPORTED;
+ }
+}
+
+/**
* ice_vc_vf_broadcast - Broadcast a message to all VFs on PF
* @pf: pointer to the PF structure
* @v_opcode: operation code
@@ -47,7 +80,7 @@ ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode,
enum virtchnl_status_code v_retval, u8 *msg, u16 msglen)
{
struct ice_hw *hw = &pf->hw;
- int i;
+ unsigned int i;
ice_for_each_vf(pf, i) {
struct ice_vf *vf = &pf->vf[i];
@@ -149,6 +182,26 @@ static void ice_vc_notify_vf_link_state(struct ice_vf *vf)
}
/**
+ * ice_vf_invalidate_vsi - invalidate vsi_idx/vsi_num to remove VSI access
+ * @vf: VF to remove access to VSI for
+ */
+static void ice_vf_invalidate_vsi(struct ice_vf *vf)
+{
+ vf->lan_vsi_idx = ICE_NO_VSI;
+ vf->lan_vsi_num = ICE_NO_VSI;
+}
+
+/**
+ * ice_vf_vsi_release - invalidate the VF's VSI after freeing it
+ * @vf: invalidate this VF's VSI after freeing it
+ */
+static void ice_vf_vsi_release(struct ice_vf *vf)
+{
+ ice_vsi_release(vf->pf->vsi[vf->lan_vsi_idx]);
+ ice_vf_invalidate_vsi(vf);
+}
+
+/**
* ice_free_vf_res - Free a VF's resources
* @vf: pointer to the VF info
*/
@@ -163,10 +216,8 @@ static void ice_free_vf_res(struct ice_vf *vf)
clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
/* free VSI and disconnect it from the parent uplink */
- if (vf->lan_vsi_idx) {
- ice_vsi_release(pf->vsi[vf->lan_vsi_idx]);
- vf->lan_vsi_idx = 0;
- vf->lan_vsi_num = 0;
+ if (vf->lan_vsi_idx != ICE_NO_VSI) {
+ ice_vf_vsi_release(vf);
vf->num_mac = 0;
}
@@ -292,7 +343,7 @@ void ice_free_vfs(struct ice_pf *pf)
{
struct device *dev = ice_pf_to_dev(pf);
struct ice_hw *hw = &pf->hw;
- int tmp, i;
+ unsigned int tmp, i;
if (!pf->vf)
return;
@@ -337,7 +388,7 @@ void ice_free_vfs(struct ice_pf *pf)
* before this function ever gets called.
*/
if (!pci_vfs_assigned(pf->pdev)) {
- int vf_id;
+ unsigned int vf_id;
/* Acknowledge VFLR for all VFs. Without this, VFs will fail to
* work correctly when SR-IOV gets re-enabled.
@@ -368,9 +419,9 @@ static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr)
{
struct ice_pf *pf = vf->pf;
u32 reg, reg_idx, bit_idx;
+ unsigned int vf_abs_id, i;
struct device *dev;
struct ice_hw *hw;
- int vf_abs_id, i;
dev = ice_pf_to_dev(pf);
hw = &pf->hw;
@@ -380,10 +431,7 @@ static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr)
clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
/* Disable VF's configuration API during reset. The flag is re-enabled
- * in ice_alloc_vf_res(), when it's safe again to access VF's VSI.
- * It's normally disabled in ice_free_vf_res(), but it's safer
- * to do it earlier to give some time to finish to any VF config
- * functions that may still be running at this point.
+ * when it's safe again to access VF's VSI.
*/
clear_bit(ICE_VF_STATE_INIT, vf->vf_states);
@@ -418,7 +466,7 @@ static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr)
if ((reg & VF_TRANS_PENDING_M) == 0)
break;
- dev_err(dev, "VF %d PCI transactions stuck\n", vf->vf_id);
+ dev_err(dev, "VF %u PCI transactions stuck\n", vf->vf_id);
udelay(ICE_PCI_CIAD_WAIT_DELAY_US);
}
}
@@ -460,8 +508,9 @@ static int ice_vsi_manage_pvid(struct ice_vsi *vsi, u16 pvid_info, bool enable)
status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
if (status) {
- dev_info(ice_hw_to_dev(hw), "update VSI for port VLAN failed, err %d aq_err %d\n",
- status, hw->adminq.sq_last_status);
+ dev_info(ice_hw_to_dev(hw), "update VSI for port VLAN failed, err %s aq_err %s\n",
+ ice_stat_str(status),
+ ice_aq_str(hw->adminq.sq_last_status));
ret = -EIO;
goto out;
}
@@ -475,18 +524,39 @@ out:
}
/**
+ * ice_vf_get_port_info - Get the VF's port info structure
+ * @vf: VF used to get the port info structure for
+ */
+static struct ice_port_info *ice_vf_get_port_info(struct ice_vf *vf)
+{
+ return vf->pf->hw.port_info;
+}
+
+/**
* ice_vf_vsi_setup - Set up a VF VSI
- * @pf: board private structure
- * @pi: pointer to the port_info instance
- * @vf_id: defines VF ID to which this VSI connects.
+ * @vf: VF to setup VSI for
*
* Returns pointer to the successfully allocated VSI struct on success,
* otherwise returns NULL on failure.
*/
-static struct ice_vsi *
-ice_vf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, u16 vf_id)
+static struct ice_vsi *ice_vf_vsi_setup(struct ice_vf *vf)
{
- return ice_vsi_setup(pf, pi, ICE_VSI_VF, vf_id);
+ struct ice_port_info *pi = ice_vf_get_port_info(vf);
+ struct ice_pf *pf = vf->pf;
+ struct ice_vsi *vsi;
+
+ vsi = ice_vsi_setup(pf, pi, ICE_VSI_VF, vf->vf_id);
+
+ if (!vsi) {
+ dev_err(ice_pf_to_dev(pf), "Failed to create VF VSI\n");
+ ice_vf_invalidate_vsi(vf);
+ return NULL;
+ }
+
+ vf->lan_vsi_idx = vsi->idx;
+ vf->lan_vsi_num = vsi->vsi_num;
+
+ return vsi;
}
/**
@@ -507,170 +577,158 @@ static int ice_calc_vf_first_vector_idx(struct ice_pf *pf, struct ice_vf *vf)
}
/**
- * ice_alloc_vsi_res - Setup VF VSI and its resources
- * @vf: pointer to the VF structure
+ * ice_vf_rebuild_host_vlan_cfg - add VLAN 0 filter or rebuild the Port VLAN
+ * @vf: VF to add MAC filters for
*
- * Returns 0 on success, negative value on failure
+ * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver
+ * always re-adds either a VLAN 0 or port VLAN based filter after reset.
*/
-static int ice_alloc_vsi_res(struct ice_vf *vf)
+static int ice_vf_rebuild_host_vlan_cfg(struct ice_vf *vf)
{
- struct ice_pf *pf = vf->pf;
- LIST_HEAD(tmp_add_list);
- u8 broadcast[ETH_ALEN];
- struct ice_vsi *vsi;
- struct device *dev;
- int status = 0;
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ u16 vlan_id = 0;
+ int err;
- dev = ice_pf_to_dev(pf);
- /* first vector index is the VFs OICR index */
- vf->first_vector_idx = ice_calc_vf_first_vector_idx(pf, vf);
+ if (vf->port_vlan_info) {
+ err = ice_vsi_manage_pvid(vsi, vf->port_vlan_info, true);
+ if (err) {
+ dev_err(dev, "failed to configure port VLAN via VSI parameters for VF %u, error %d\n",
+ vf->vf_id, err);
+ return err;
+ }
- vsi = ice_vf_vsi_setup(pf, pf->hw.port_info, vf->vf_id);
- if (!vsi) {
- dev_err(dev, "Failed to create VF VSI\n");
- return -ENOMEM;
+ vlan_id = vf->port_vlan_info & VLAN_VID_MASK;
}
- vf->lan_vsi_idx = vsi->idx;
- vf->lan_vsi_num = vsi->vsi_num;
-
- /* Check if port VLAN exist before, and restore it accordingly */
- if (vf->port_vlan_info) {
- ice_vsi_manage_pvid(vsi, vf->port_vlan_info, true);
- if (ice_vsi_add_vlan(vsi, vf->port_vlan_info & VLAN_VID_MASK))
- dev_warn(ice_pf_to_dev(pf), "Failed to add Port VLAN %d filter for VF %d\n",
- vf->port_vlan_info & VLAN_VID_MASK, vf->vf_id);
- } else {
- /* set VLAN 0 filter by default when no port VLAN is
- * enabled. If a port VLAN is enabled we don't want
- * untagged broadcast/multicast traffic seen on the VF
- * interface.
- */
- if (ice_vsi_add_vlan(vsi, 0))
- dev_warn(ice_pf_to_dev(pf), "Failed to add VLAN 0 filter for VF %d, MDD events will trigger. Reset the VF, disable spoofchk, or enable 8021q module on the guest\n",
- vf->vf_id);
+ /* vlan_id will either be 0 or the port VLAN number */
+ err = ice_vsi_add_vlan(vsi, vlan_id, ICE_FWD_TO_VSI);
+ if (err) {
+ dev_err(dev, "failed to add %s VLAN %u filter for VF %u, error %d\n",
+ vf->port_vlan_info ? "port" : "", vlan_id, vf->vf_id,
+ err);
+ return err;
}
+ return 0;
+}
+
+/**
+ * ice_vf_rebuild_host_mac_cfg - add broadcast and the VF's perm_addr/LAA
+ * @vf: VF to add MAC filters for
+ *
+ * Called after a VF VSI has been re-added/rebuilt during reset. The PF driver
+ * always re-adds a broadcast filter and the VF's perm_addr/LAA after reset.
+ */
+static int ice_vf_rebuild_host_mac_cfg(struct ice_vf *vf)
+{
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ enum ice_status status;
+ u8 broadcast[ETH_ALEN];
+
eth_broadcast_addr(broadcast);
+ status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI);
+ if (status) {
+ dev_err(dev, "failed to add broadcast MAC filter for VF %u, error %s\n",
+ vf->vf_id, ice_stat_str(status));
+ return ice_status_to_errno(status);
+ }
- status = ice_add_mac_to_list(vsi, &tmp_add_list, broadcast);
- if (status)
- goto ice_alloc_vsi_res_exit;
+ vf->num_mac++;
if (is_valid_ether_addr(vf->dflt_lan_addr.addr)) {
- status = ice_add_mac_to_list(vsi, &tmp_add_list,
- vf->dflt_lan_addr.addr);
- if (status)
- goto ice_alloc_vsi_res_exit;
+ status = ice_fltr_add_mac(vsi, vf->dflt_lan_addr.addr,
+ ICE_FWD_TO_VSI);
+ if (status) {
+ dev_err(dev, "failed to add default unicast MAC filter %pM for VF %u, error %s\n",
+ &vf->dflt_lan_addr.addr[0], vf->vf_id,
+ ice_stat_str(status));
+ return ice_status_to_errno(status);
+ }
+ vf->num_mac++;
}
- status = ice_add_mac(&pf->hw, &tmp_add_list);
- if (status)
- dev_err(dev, "could not add mac filters error %d\n", status);
- else
- vf->num_mac = 1;
-
- /* Clear this bit after VF initialization since we shouldn't reclaim
- * and reassign interrupts for synchronous or asynchronous VFR events.
- * We don't want to reconfigure interrupts since AVF driver doesn't
- * expect vector assignment to be changed unless there is a request for
- * more vectors.
- */
-ice_alloc_vsi_res_exit:
- ice_free_fltr_list(dev, &tmp_add_list);
- return status;
+ return 0;
}
/**
- * ice_alloc_vf_res - Allocate VF resources
- * @vf: pointer to the VF structure
+ * ice_vf_set_host_trust_cfg - set trust setting based on pre-reset value
+ * @vf: VF to configure trust setting for
*/
-static int ice_alloc_vf_res(struct ice_vf *vf)
+static void ice_vf_set_host_trust_cfg(struct ice_vf *vf)
{
- struct ice_pf *pf = vf->pf;
- int tx_rx_queue_left;
- int status;
-
- /* Update number of VF queues, in case VF had requested for queue
- * changes
- */
- tx_rx_queue_left = min_t(int, ice_get_avail_txq_count(pf),
- ice_get_avail_rxq_count(pf));
- tx_rx_queue_left += pf->num_qps_per_vf;
- if (vf->num_req_qs && vf->num_req_qs <= tx_rx_queue_left &&
- vf->num_req_qs != vf->num_vf_qs)
- vf->num_vf_qs = vf->num_req_qs;
-
- /* setup VF VSI and necessary resources */
- status = ice_alloc_vsi_res(vf);
- if (status)
- goto ice_alloc_vf_res_exit;
-
if (vf->trusted)
set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
else
clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
-
- /* VF is now completely initialized */
- set_bit(ICE_VF_STATE_INIT, vf->vf_states);
-
- return status;
-
-ice_alloc_vf_res_exit:
- ice_free_vf_res(vf);
- return status;
}
/**
- * ice_ena_vf_mappings
- * @vf: pointer to the VF structure
+ * ice_ena_vf_msix_mappings - enable VF MSIX mappings in hardware
+ * @vf: VF to enable MSIX mappings for
*
- * Enable VF vectors and queues allocation by writing the details into
- * respective registers.
+ * Some of the registers need to be indexed/configured using hardware global
+ * device values and other registers need 0-based values, which represent PF
+ * based values.
*/
-static void ice_ena_vf_mappings(struct ice_vf *vf)
+static void ice_ena_vf_msix_mappings(struct ice_vf *vf)
{
- int abs_vf_id, abs_first, abs_last;
+ int device_based_first_msix, device_based_last_msix;
+ int pf_based_first_msix, pf_based_last_msix, v;
struct ice_pf *pf = vf->pf;
- struct ice_vsi *vsi;
- struct device *dev;
- int first, last, v;
+ int device_based_vf_id;
struct ice_hw *hw;
u32 reg;
- dev = ice_pf_to_dev(pf);
hw = &pf->hw;
- vsi = pf->vsi[vf->lan_vsi_idx];
- first = vf->first_vector_idx;
- last = (first + pf->num_msix_per_vf) - 1;
- abs_first = first + pf->hw.func_caps.common_cap.msix_vector_first_id;
- abs_last = (abs_first + pf->num_msix_per_vf) - 1;
- abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
-
- /* VF Vector allocation */
- reg = (((abs_first << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) |
- ((abs_last << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) |
- VPINT_ALLOC_VALID_M);
+ pf_based_first_msix = vf->first_vector_idx;
+ pf_based_last_msix = (pf_based_first_msix + pf->num_msix_per_vf) - 1;
+
+ device_based_first_msix = pf_based_first_msix +
+ pf->hw.func_caps.common_cap.msix_vector_first_id;
+ device_based_last_msix =
+ (device_based_first_msix + pf->num_msix_per_vf) - 1;
+ device_based_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
+
+ reg = (((device_based_first_msix << VPINT_ALLOC_FIRST_S) &
+ VPINT_ALLOC_FIRST_M) |
+ ((device_based_last_msix << VPINT_ALLOC_LAST_S) &
+ VPINT_ALLOC_LAST_M) | VPINT_ALLOC_VALID_M);
wr32(hw, VPINT_ALLOC(vf->vf_id), reg);
- reg = (((abs_first << VPINT_ALLOC_PCI_FIRST_S)
+ reg = (((device_based_first_msix << VPINT_ALLOC_PCI_FIRST_S)
& VPINT_ALLOC_PCI_FIRST_M) |
- ((abs_last << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) |
- VPINT_ALLOC_PCI_VALID_M);
+ ((device_based_last_msix << VPINT_ALLOC_PCI_LAST_S) &
+ VPINT_ALLOC_PCI_LAST_M) | VPINT_ALLOC_PCI_VALID_M);
wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), reg);
+
/* map the interrupts to its functions */
- for (v = first; v <= last; v++) {
- reg = (((abs_vf_id << GLINT_VECT2FUNC_VF_NUM_S) &
+ for (v = pf_based_first_msix; v <= pf_based_last_msix; v++) {
+ reg = (((device_based_vf_id << GLINT_VECT2FUNC_VF_NUM_S) &
GLINT_VECT2FUNC_VF_NUM_M) |
((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) &
GLINT_VECT2FUNC_PF_NUM_M));
wr32(hw, GLINT_VECT2FUNC(v), reg);
}
- /* Map mailbox interrupt. We put an explicit 0 here to remind us that
- * VF admin queue interrupts will go to VF MSI-X vector 0.
- */
- wr32(hw, VPINT_MBX_CTL(abs_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M | 0);
+ /* Map mailbox interrupt to VF MSI-X vector 0 */
+ wr32(hw, VPINT_MBX_CTL(device_based_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M);
+}
+
+/**
+ * ice_ena_vf_q_mappings - enable Rx/Tx queue mappings for a VF
+ * @vf: VF to enable the mappings for
+ * @max_txq: max Tx queues allowed on the VF's VSI
+ * @max_rxq: max Rx queues allowed on the VF's VSI
+ */
+static void ice_ena_vf_q_mappings(struct ice_vf *vf, u16 max_txq, u16 max_rxq)
+{
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+ struct device *dev = ice_pf_to_dev(vf->pf);
+ struct ice_hw *hw = &vf->pf->hw;
+ u32 reg;
+
/* set regardless of mapping mode */
wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_id), VPLAN_TXQ_MAPENA_TX_ENA_M);
@@ -682,7 +740,7 @@ static void ice_ena_vf_mappings(struct ice_vf *vf)
*/
reg = (((vsi->txq_map[0] << VPLAN_TX_QBASE_VFFIRSTQ_S) &
VPLAN_TX_QBASE_VFFIRSTQ_M) |
- (((vsi->alloc_txq - 1) << VPLAN_TX_QBASE_VFNUMQ_S) &
+ (((max_txq - 1) << VPLAN_TX_QBASE_VFNUMQ_S) &
VPLAN_TX_QBASE_VFNUMQ_M));
wr32(hw, VPLAN_TX_QBASE(vf->vf_id), reg);
} else {
@@ -700,7 +758,7 @@ static void ice_ena_vf_mappings(struct ice_vf *vf)
*/
reg = (((vsi->rxq_map[0] << VPLAN_RX_QBASE_VFFIRSTQ_S) &
VPLAN_RX_QBASE_VFFIRSTQ_M) |
- (((vsi->alloc_txq - 1) << VPLAN_RX_QBASE_VFNUMQ_S) &
+ (((max_rxq - 1) << VPLAN_RX_QBASE_VFNUMQ_S) &
VPLAN_RX_QBASE_VFNUMQ_M));
wr32(hw, VPLAN_RX_QBASE(vf->vf_id), reg);
} else {
@@ -709,6 +767,18 @@ static void ice_ena_vf_mappings(struct ice_vf *vf)
}
/**
+ * ice_ena_vf_mappings - enable VF MSIX and queue mapping
+ * @vf: pointer to the VF structure
+ */
+static void ice_ena_vf_mappings(struct ice_vf *vf)
+{
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+
+ ice_ena_vf_msix_mappings(vf);
+ ice_ena_vf_q_mappings(vf, vsi->alloc_txq, vsi->alloc_rxq);
+}
+
+/**
* ice_determine_res
* @pf: pointer to the PF structure
* @avail_res: available resources in the PF structure
@@ -906,51 +976,18 @@ static int ice_set_per_vf_res(struct ice_pf *pf)
}
/**
- * ice_cleanup_and_realloc_vf - Clean up VF and reallocate resources after reset
- * @vf: pointer to the VF structure
- *
- * Cleanup a VF after the hardware reset is finished. Expects the caller to
- * have verified whether the reset is finished properly, and ensure the
- * minimum amount of wait time has passed. Reallocate VF resources back to make
- * VF state active
+ * ice_clear_vf_reset_trigger - enable VF to access hardware
+ * @vf: VF to enabled hardware access for
*/
-static void ice_cleanup_and_realloc_vf(struct ice_vf *vf)
+static void ice_clear_vf_reset_trigger(struct ice_vf *vf)
{
- struct ice_pf *pf = vf->pf;
- struct ice_hw *hw;
+ struct ice_hw *hw = &vf->pf->hw;
u32 reg;
- hw = &pf->hw;
-
- /* PF software completes the flow by notifying VF that reset flow is
- * completed. This is done by enabling hardware by clearing the reset
- * bit in the VPGEN_VFRTRIG reg and setting VFR_STATE in the VFGEN_RSTAT
- * register to VFR completed (done at the end of this function)
- * By doing this we allow HW to access VF memory at any point. If we
- * did it any sooner, HW could access memory while it was being freed
- * in ice_free_vf_res(), causing an IOMMU fault.
- *
- * On the other hand, this needs to be done ASAP, because the VF driver
- * is waiting for this to happen and may report a timeout. It's
- * harmless, but it gets logged into Guest OS kernel log, so best avoid
- * it.
- */
reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id));
reg &= ~VPGEN_VFRTRIG_VFSWR_M;
wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg);
-
- /* reallocate VF resources to finish resetting the VSI state */
- if (!ice_alloc_vf_res(vf)) {
- ice_ena_vf_mappings(vf);
- set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states);
- clear_bit(ICE_VF_STATE_DIS, vf->vf_states);
- }
-
- /* Tell the VF driver the reset is done. This needs to be done only
- * after VF has been fully initialized, because the VF driver may
- * request resources immediately after setting this flag.
- */
- wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
+ ice_flush(hw);
}
/**
@@ -994,44 +1031,124 @@ ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m,
return status;
}
+static void ice_vf_clear_counters(struct ice_vf *vf)
+{
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+
+ vf->num_mac = 0;
+ vsi->num_vlan = 0;
+ memset(&vf->mdd_tx_events, 0, sizeof(vf->mdd_tx_events));
+ memset(&vf->mdd_rx_events, 0, sizeof(vf->mdd_rx_events));
+}
+
/**
- * ice_config_res_vfs - Finalize allocation of VFs resources in one go
- * @pf: pointer to the PF structure
+ * ice_vf_pre_vsi_rebuild - tasks to be done prior to VSI rebuild
+ * @vf: VF to perform pre VSI rebuild tasks
*
- * This function is being called as last part of resetting all VFs, or when
- * configuring VFs for the first time, where there is no resource to be freed
- * Returns true if resources were properly allocated for all VFs, and false
- * otherwise.
+ * These tasks are items that don't need to be amortized since they are most
+ * likely called in a for loop with all VF(s) in the reset_all_vfs() case.
*/
-static bool ice_config_res_vfs(struct ice_pf *pf)
+static void ice_vf_pre_vsi_rebuild(struct ice_vf *vf)
{
- struct device *dev = ice_pf_to_dev(pf);
- struct ice_hw *hw = &pf->hw;
- int v;
+ ice_vf_clear_counters(vf);
+ ice_clear_vf_reset_trigger(vf);
+}
- if (ice_set_per_vf_res(pf)) {
- dev_err(dev, "Cannot allocate VF resources, try with fewer number of VFs\n");
- return false;
- }
+/**
+ * ice_vf_rebuild_host_cfg - host admin configuration is persistent across reset
+ * @vf: VF to rebuild host configuration on
+ */
+static void ice_vf_rebuild_host_cfg(struct ice_vf *vf)
+{
+ struct device *dev = ice_pf_to_dev(vf->pf);
- /* rearm global interrupts */
- if (test_and_clear_bit(__ICE_OICR_INTR_DIS, pf->state))
- ice_irq_dynamic_ena(hw, NULL, NULL);
+ ice_vf_set_host_trust_cfg(vf);
- /* Finish resetting each VF and allocate resources */
- ice_for_each_vf(pf, v) {
- struct ice_vf *vf = &pf->vf[v];
+ if (ice_vf_rebuild_host_mac_cfg(vf))
+ dev_err(dev, "failed to rebuild default MAC configuration for VF %d\n",
+ vf->vf_id);
- vf->num_vf_qs = pf->num_qps_per_vf;
- dev_dbg(dev, "VF-id %d has %d queues configured\n", vf->vf_id,
- vf->num_vf_qs);
- ice_cleanup_and_realloc_vf(vf);
+ if (ice_vf_rebuild_host_vlan_cfg(vf))
+ dev_err(dev, "failed to rebuild VLAN configuration for VF %u\n",
+ vf->vf_id);
+}
+
+/**
+ * ice_vf_rebuild_vsi_with_release - release and setup the VF's VSI
+ * @vf: VF to release and setup the VSI for
+ *
+ * This is only called when a single VF is being reset (i.e. VFR, VFLR, host VF
+ * configuration change, etc.).
+ */
+static int ice_vf_rebuild_vsi_with_release(struct ice_vf *vf)
+{
+ ice_vf_vsi_release(vf);
+ if (!ice_vf_vsi_setup(vf))
+ return -ENOMEM;
+
+ return 0;
+}
+
+/**
+ * ice_vf_rebuild_vsi - rebuild the VF's VSI
+ * @vf: VF to rebuild the VSI for
+ *
+ * This is only called when all VF(s) are being reset (i.e. PCIe Reset on the
+ * host, PFR, CORER, etc.).
+ */
+static int ice_vf_rebuild_vsi(struct ice_vf *vf)
+{
+ struct ice_pf *pf = vf->pf;
+ struct ice_vsi *vsi;
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+
+ if (ice_vsi_rebuild(vsi, true)) {
+ dev_err(ice_pf_to_dev(pf), "failed to rebuild VF %d VSI\n",
+ vf->vf_id);
+ return -EIO;
}
+ /* vsi->idx will remain the same in this case so don't update
+ * vf->lan_vsi_idx
+ */
+ vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);
+ vf->lan_vsi_num = vsi->vsi_num;
- ice_flush(hw);
- clear_bit(__ICE_VF_DIS, pf->state);
+ return 0;
+}
- return true;
+/**
+ * ice_vf_set_initialized - VF is ready for VIRTCHNL communication
+ * @vf: VF to set in initialized state
+ *
+ * After this function the VF will be ready to receive/handle the
+ * VIRTCHNL_OP_GET_VF_RESOURCES message
+ */
+static void ice_vf_set_initialized(struct ice_vf *vf)
+{
+ ice_set_vf_state_qs_dis(vf);
+ clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
+ clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
+ clear_bit(ICE_VF_STATE_DIS, vf->vf_states);
+ set_bit(ICE_VF_STATE_INIT, vf->vf_states);
+}
+
+/**
+ * ice_vf_post_vsi_rebuild - tasks to do after the VF's VSI have been rebuilt
+ * @vf: VF to perform tasks on
+ */
+static void ice_vf_post_vsi_rebuild(struct ice_vf *vf)
+{
+ struct ice_pf *pf = vf->pf;
+ struct ice_hw *hw;
+
+ hw = &pf->hw;
+
+ ice_vf_rebuild_host_cfg(vf);
+
+ ice_vf_set_initialized(vf);
+ ice_ena_vf_mappings(vf);
+ wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
}
/**
@@ -1065,17 +1182,6 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
ice_for_each_vf(pf, v)
ice_trigger_vf_reset(&pf->vf[v], is_vflr, true);
- ice_for_each_vf(pf, v) {
- struct ice_vsi *vsi;
-
- vf = &pf->vf[v];
- vsi = pf->vsi[vf->lan_vsi_idx];
- if (test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states))
- ice_dis_vf_qs(vf);
- ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL,
- NULL, ICE_VF_RESET, vf->vf_id, NULL);
- }
-
/* HW requires some time to make sure it can flush the FIFO for a VF
* when it resets it. Poll the VPGEN_VFRSTAT register for each VF in
* sequence to make sure that it has completed. We'll keep track of
@@ -1112,21 +1218,13 @@ bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr)
ice_for_each_vf(pf, v) {
vf = &pf->vf[v];
- ice_free_vf_res(vf);
-
- /* Free VF queues as well, and reallocate later.
- * If a given VF has different number of queues
- * configured, the request for update will come
- * via mailbox communication.
- */
- vf->num_vf_qs = 0;
+ ice_vf_pre_vsi_rebuild(vf);
+ ice_vf_rebuild_vsi(vf);
+ ice_vf_post_vsi_rebuild(vf);
}
- if (ice_sriov_free_msix_res(pf))
- dev_err(dev, "Failed to free MSIX resources used by SR-IOV\n");
-
- if (!ice_config_res_vfs(pf))
- return false;
+ ice_flush(hw);
+ clear_bit(__ICE_VF_DIS, pf->state);
return true;
}
@@ -1238,12 +1336,9 @@ bool ice_reset_vf(struct ice_vf *vf, bool is_vflr)
dev_err(dev, "disabling promiscuous mode failed\n");
}
- /* free VF resources to begin resetting the VSI state */
- ice_free_vf_res(vf);
-
- ice_cleanup_and_realloc_vf(vf);
-
- ice_flush(hw);
+ ice_vf_pre_vsi_rebuild(vf);
+ ice_vf_rebuild_vsi_with_release(vf);
+ ice_vf_post_vsi_rebuild(vf);
return true;
}
@@ -1311,16 +1406,144 @@ static void ice_vc_notify_vf_reset(struct ice_vf *vf)
}
/**
- * ice_alloc_vfs - Allocate and set up VFs resources
+ * ice_init_vf_vsi_res - initialize/setup VF VSI resources
+ * @vf: VF to initialize/setup the VSI for
+ *
+ * This function creates a VSI for the VF, adds a VLAN 0 filter, and sets up the
+ * VF VSI's broadcast filter and is only used during initial VF creation.
+ */
+static int ice_init_vf_vsi_res(struct ice_vf *vf)
+{
+ struct ice_pf *pf = vf->pf;
+ u8 broadcast[ETH_ALEN];
+ enum ice_status status;
+ struct ice_vsi *vsi;
+ struct device *dev;
+ int err;
+
+ vf->first_vector_idx = ice_calc_vf_first_vector_idx(pf, vf);
+
+ dev = ice_pf_to_dev(pf);
+ vsi = ice_vf_vsi_setup(vf);
+ if (!vsi)
+ return -ENOMEM;
+
+ err = ice_vsi_add_vlan(vsi, 0, ICE_FWD_TO_VSI);
+ if (err) {
+ dev_warn(dev, "Failed to add VLAN 0 filter for VF %d\n",
+ vf->vf_id);
+ goto release_vsi;
+ }
+
+ eth_broadcast_addr(broadcast);
+ status = ice_fltr_add_mac(vsi, broadcast, ICE_FWD_TO_VSI);
+ if (status) {
+ dev_err(dev, "Failed to add broadcast MAC filter for VF %d, status %s\n",
+ vf->vf_id, ice_stat_str(status));
+ err = ice_status_to_errno(status);
+ goto release_vsi;
+ }
+
+ vf->num_mac = 1;
+
+ return 0;
+
+release_vsi:
+ ice_vf_vsi_release(vf);
+ return err;
+}
+
+/**
+ * ice_start_vfs - start VFs so they are ready to be used by SR-IOV
+ * @pf: PF the VFs are associated with
+ */
+static int ice_start_vfs(struct ice_pf *pf)
+{
+ struct ice_hw *hw = &pf->hw;
+ int retval, i;
+
+ ice_for_each_vf(pf, i) {
+ struct ice_vf *vf = &pf->vf[i];
+
+ ice_clear_vf_reset_trigger(vf);
+
+ retval = ice_init_vf_vsi_res(vf);
+ if (retval) {
+ dev_err(ice_pf_to_dev(pf), "Failed to initialize VSI resources for VF %d, error %d\n",
+ vf->vf_id, retval);
+ goto teardown;
+ }
+
+ set_bit(ICE_VF_STATE_INIT, vf->vf_states);
+ ice_ena_vf_mappings(vf);
+ wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE);
+ }
+
+ ice_flush(hw);
+ return 0;
+
+teardown:
+ for (i = i - 1; i >= 0; i--) {
+ struct ice_vf *vf = &pf->vf[i];
+
+ ice_dis_vf_mappings(vf);
+ ice_vf_vsi_release(vf);
+ }
+
+ return retval;
+}
+
+/**
+ * ice_set_dflt_settings - set VF defaults during initialization/creation
+ * @pf: PF holding reference to all VFs for default configuration
+ */
+static void ice_set_dflt_settings_vfs(struct ice_pf *pf)
+{
+ int i;
+
+ ice_for_each_vf(pf, i) {
+ struct ice_vf *vf = &pf->vf[i];
+
+ vf->pf = pf;
+ vf->vf_id = i;
+ vf->vf_sw_id = pf->first_sw;
+ /* assign default capabilities */
+ set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vf->vf_caps);
+ vf->spoofchk = true;
+ vf->num_vf_qs = pf->num_qps_per_vf;
+ }
+}
+
+/**
+ * ice_alloc_vfs - allocate num_vfs in the PF structure
+ * @pf: PF to store the allocated VFs in
+ * @num_vfs: number of VFs to allocate
+ */
+static int ice_alloc_vfs(struct ice_pf *pf, int num_vfs)
+{
+ struct ice_vf *vfs;
+
+ vfs = devm_kcalloc(ice_pf_to_dev(pf), num_vfs, sizeof(*vfs),
+ GFP_KERNEL);
+ if (!vfs)
+ return -ENOMEM;
+
+ pf->vf = vfs;
+ pf->num_alloc_vfs = num_vfs;
+
+ return 0;
+}
+
+/**
+ * ice_ena_vfs - enable VFs so they are ready to be used
* @pf: pointer to the PF structure
- * @num_alloc_vfs: number of VFs to allocate
+ * @num_vfs: number of VFs to enable
*/
-static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
+static int ice_ena_vfs(struct ice_pf *pf, u16 num_vfs)
{
struct device *dev = ice_pf_to_dev(pf);
struct ice_hw *hw = &pf->hw;
- struct ice_vf *vfs;
- int i, ret;
+ int ret;
/* Disable global interrupt 0 so we don't try to handle the VFLR. */
wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
@@ -1328,43 +1551,37 @@ static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs)
set_bit(__ICE_OICR_INTR_DIS, pf->state);
ice_flush(hw);
- ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
+ ret = pci_enable_sriov(pf->pdev, num_vfs);
if (ret) {
pf->num_alloc_vfs = 0;
goto err_unroll_intr;
}
- /* allocate memory */
- vfs = devm_kcalloc(dev, num_alloc_vfs, sizeof(*vfs), GFP_KERNEL);
- if (!vfs) {
- ret = -ENOMEM;
- goto err_pci_disable_sriov;
- }
- pf->vf = vfs;
- pf->num_alloc_vfs = num_alloc_vfs;
- /* apply default profile */
- ice_for_each_vf(pf, i) {
- vfs[i].pf = pf;
- vfs[i].vf_sw_id = pf->first_sw;
- vfs[i].vf_id = i;
+ ret = ice_alloc_vfs(pf, num_vfs);
+ if (ret)
+ goto err_pci_disable_sriov;
- /* assign default capabilities */
- set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
- vfs[i].spoofchk = true;
+ if (ice_set_per_vf_res(pf)) {
+ dev_err(dev, "Not enough resources for %d VFs, try with fewer number of VFs\n",
+ num_vfs);
+ ret = -ENOSPC;
+ goto err_unroll_sriov;
}
- /* VF resources get allocated with initialization */
- if (!ice_config_res_vfs(pf)) {
- ret = -EIO;
+ ice_set_dflt_settings_vfs(pf);
+
+ if (ice_start_vfs(pf)) {
+ dev_err(dev, "Failed to start VF(s)\n");
+ ret = -EAGAIN;
goto err_unroll_sriov;
}
- return ret;
+ clear_bit(__ICE_VF_DIS, pf->state);
+ return 0;
err_unroll_sriov:
+ devm_kfree(dev, pf->vf);
pf->vf = NULL;
- devm_kfree(dev, vfs);
- vfs = NULL;
pf->num_alloc_vfs = 0;
err_pci_disable_sriov:
pci_disable_sriov(pf->pdev);
@@ -1404,6 +1621,8 @@ static bool ice_pf_state_is_nominal(struct ice_pf *pf)
* ice_pci_sriov_ena - Enable or change number of VFs
* @pf: pointer to the PF structure
* @num_vfs: number of VFs to allocate
+ *
+ * Returns 0 on success and negative on failure
*/
static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
{
@@ -1411,20 +1630,10 @@ static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
struct device *dev = ice_pf_to_dev(pf);
int err;
- if (!ice_pf_state_is_nominal(pf)) {
- dev_err(dev, "Cannot enable SR-IOV, device not ready\n");
- return -EBUSY;
- }
-
- if (!test_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags)) {
- dev_err(dev, "This device is not capable of SR-IOV\n");
- return -EOPNOTSUPP;
- }
-
if (pre_existing_vfs && pre_existing_vfs != num_vfs)
ice_free_vfs(pf);
else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
- return num_vfs;
+ return 0;
if (num_vfs > pf->num_vfs_supported) {
dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n",
@@ -1432,45 +1641,77 @@ static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs)
return -EOPNOTSUPP;
}
- dev_info(dev, "Allocating %d VFs\n", num_vfs);
- err = ice_alloc_vfs(pf, num_vfs);
+ dev_info(dev, "Enabling %d VFs\n", num_vfs);
+ err = ice_ena_vfs(pf, num_vfs);
if (err) {
dev_err(dev, "Failed to enable SR-IOV: %d\n", err);
return err;
}
set_bit(ICE_FLAG_SRIOV_ENA, pf->flags);
- return num_vfs;
+ return 0;
+}
+
+/**
+ * ice_check_sriov_allowed - check if SR-IOV is allowed based on various checks
+ * @pf: PF to enabled SR-IOV on
+ */
+static int ice_check_sriov_allowed(struct ice_pf *pf)
+{
+ struct device *dev = ice_pf_to_dev(pf);
+
+ if (!test_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags)) {
+ dev_err(dev, "This device is not capable of SR-IOV\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (ice_is_safe_mode(pf)) {
+ dev_err(dev, "SR-IOV cannot be configured - Device is in Safe Mode\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ice_pf_state_is_nominal(pf)) {
+ dev_err(dev, "Cannot enable SR-IOV, device not ready\n");
+ return -EBUSY;
+ }
+
+ return 0;
}
/**
* ice_sriov_configure - Enable or change number of VFs via sysfs
* @pdev: pointer to a pci_dev structure
- * @num_vfs: number of VFs to allocate
+ * @num_vfs: number of VFs to allocate or 0 to free VFs
*
- * This function is called when the user updates the number of VFs in sysfs.
+ * This function is called when the user updates the number of VFs in sysfs. On
+ * success return whatever num_vfs was set to by the caller. Return negative on
+ * failure.
*/
int ice_sriov_configure(struct pci_dev *pdev, int num_vfs)
{
struct ice_pf *pf = pci_get_drvdata(pdev);
struct device *dev = ice_pf_to_dev(pf);
+ int err;
- if (ice_is_safe_mode(pf)) {
- dev_err(dev, "SR-IOV cannot be configured - Device is in Safe Mode\n");
- return -EOPNOTSUPP;
- }
+ err = ice_check_sriov_allowed(pf);
+ if (err)
+ return err;
- if (num_vfs)
- return ice_pci_sriov_ena(pf, num_vfs);
+ if (!num_vfs) {
+ if (!pci_vfs_assigned(pdev)) {
+ ice_free_vfs(pf);
+ return 0;
+ }
- if (!pci_vfs_assigned(pdev)) {
- ice_free_vfs(pf);
- } else {
dev_err(dev, "can't free VFs because some are assigned to VMs.\n");
return -EBUSY;
}
- return 0;
+ err = ice_pci_sriov_ena(pf, num_vfs);
+ if (err)
+ return err;
+
+ return num_vfs;
}
/**
@@ -1483,7 +1724,7 @@ int ice_sriov_configure(struct pci_dev *pdev, int num_vfs)
void ice_process_vflr_event(struct ice_pf *pf)
{
struct ice_hw *hw = &pf->hw;
- int vf_id;
+ unsigned int vf_id;
u32 reg;
if (!test_and_clear_bit(__ICE_VFLR_EVENT_PENDING, pf->state) ||
@@ -1524,7 +1765,7 @@ static void ice_vc_reset_vf(struct ice_vf *vf)
*/
static struct ice_vf *ice_get_vf_from_pfq(struct ice_pf *pf, u16 pfq)
{
- int vf_id;
+ unsigned int vf_id;
ice_for_each_vf(pf, vf_id) {
struct ice_vf *vf = &pf->vf[vf_id];
@@ -1628,8 +1869,9 @@ ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode,
aq_ret = ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, v_opcode, v_retval,
msg, msglen, NULL);
if (aq_ret && pf->hw.mailboxq.sq_last_status != ICE_AQ_RC_ENOSYS) {
- dev_info(dev, "Unable to send the message to VF %d ret %d aq_err %d\n",
- vf->vf_id, aq_ret, pf->hw.mailboxq.sq_last_status);
+ dev_info(dev, "Unable to send the message to VF %d ret %s aq_err %s\n",
+ vf->vf_id, ice_stat_str(aq_ret),
+ ice_aq_str(pf->hw.mailboxq.sq_last_status));
return -EIO;
}
@@ -1772,7 +2014,7 @@ err:
*/
static void ice_vc_reset_vf_msg(struct ice_vf *vf)
{
- if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
+ if (test_bit(ICE_VF_STATE_INIT, vf->vf_states))
ice_reset_vf(vf, false);
}
@@ -2044,8 +2286,9 @@ int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena)
status = ice_update_vsi(&pf->hw, vf_vsi->idx, ctx, NULL);
if (status) {
- dev_err(dev, "Failed to %sable spoofchk on VF %d VSI %d\n error %d\n",
- ena ? "en" : "dis", vf->vf_id, vf_vsi->vsi_num, status);
+ dev_err(dev, "Failed to %sable spoofchk on VF %d VSI %d\n error %s\n",
+ ena ? "en" : "dis", vf->vf_id, vf_vsi->vsi_num,
+ ice_stat_str(status));
ret = -EIO;
goto out;
}
@@ -2060,6 +2303,174 @@ out:
}
/**
+ * ice_is_any_vf_in_promisc - check if any VF(s) are in promiscuous mode
+ * @pf: PF structure for accessing VF(s)
+ *
+ * Return false if no VF(s) are in unicast and/or multicast promiscuous mode,
+ * else return true
+ */
+bool ice_is_any_vf_in_promisc(struct ice_pf *pf)
+{
+ int vf_idx;
+
+ ice_for_each_vf(pf, vf_idx) {
+ struct ice_vf *vf = &pf->vf[vf_idx];
+
+ /* found a VF that has promiscuous mode configured */
+ if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
+ test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ice_vc_cfg_promiscuous_mode_msg
+ * @vf: pointer to the VF info
+ * @msg: pointer to the msg buffer
+ *
+ * called from the VF to configure VF VSIs promiscuous mode
+ */
+static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
+{
+ enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS;
+ struct virtchnl_promisc_info *info =
+ (struct virtchnl_promisc_info *)msg;
+ struct ice_pf *pf = vf->pf;
+ struct ice_vsi *vsi;
+ struct device *dev;
+ bool rm_promisc;
+ int ret = 0;
+
+ if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto error_param;
+ }
+
+ if (!ice_vc_isvalid_vsi_id(vf, info->vsi_id)) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto error_param;
+ }
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+ if (!vsi) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto error_param;
+ }
+
+ dev = ice_pf_to_dev(pf);
+ if (!test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) {
+ dev_err(dev, "Unprivileged VF %d is attempting to configure promiscuous mode\n",
+ vf->vf_id);
+ /* Leave v_ret alone, lie to the VF on purpose. */
+ goto error_param;
+ }
+
+ rm_promisc = !(info->flags & FLAG_VF_UNICAST_PROMISC) &&
+ !(info->flags & FLAG_VF_MULTICAST_PROMISC);
+
+ if (vsi->num_vlan || vf->port_vlan_info) {
+ struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);
+ struct net_device *pf_netdev;
+
+ if (!pf_vsi) {
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto error_param;
+ }
+
+ pf_netdev = pf_vsi->netdev;
+
+ ret = ice_set_vf_spoofchk(pf_netdev, vf->vf_id, rm_promisc);
+ if (ret) {
+ dev_err(dev, "Failed to update spoofchk to %s for VF %d VSI %d when setting promiscuous mode\n",
+ rm_promisc ? "ON" : "OFF", vf->vf_id,
+ vsi->vsi_num);
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ }
+
+ ret = ice_cfg_vlan_pruning(vsi, true, !rm_promisc);
+ if (ret) {
+ dev_err(dev, "Failed to configure VLAN pruning in promiscuous mode\n");
+ v_ret = VIRTCHNL_STATUS_ERR_PARAM;
+ goto error_param;
+ }
+ }
+
+ if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) {
+ bool set_dflt_vsi = !!(info->flags & FLAG_VF_UNICAST_PROMISC);
+
+ if (set_dflt_vsi && !ice_is_dflt_vsi_in_use(pf->first_sw))
+ /* only attempt to set the default forwarding VSI if
+ * it's not currently set
+ */
+ ret = ice_set_dflt_vsi(pf->first_sw, vsi);
+ else if (!set_dflt_vsi &&
+ ice_is_vsi_dflt_vsi(pf->first_sw, vsi))
+ /* only attempt to free the default forwarding VSI if we
+ * are the owner
+ */
+ ret = ice_clear_dflt_vsi(pf->first_sw);
+
+ if (ret) {
+ dev_err(dev, "%sable VF %d as the default VSI failed, error %d\n",
+ set_dflt_vsi ? "en" : "dis", vf->vf_id, ret);
+ v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR;
+ goto error_param;
+ }
+ } else {
+ enum ice_status status;
+ u8 promisc_m;
+
+ if (info->flags & FLAG_VF_UNICAST_PROMISC) {
+ if (vf->port_vlan_info || vsi->num_vlan)
+ promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
+ else
+ promisc_m = ICE_UCAST_PROMISC_BITS;
+ } else if (info->flags & FLAG_VF_MULTICAST_PROMISC) {
+ if (vf->port_vlan_info || vsi->num_vlan)
+ promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
+ else
+ promisc_m = ICE_MCAST_PROMISC_BITS;
+ } else {
+ if (vf->port_vlan_info || vsi->num_vlan)
+ promisc_m = ICE_UCAST_VLAN_PROMISC_BITS;
+ else
+ promisc_m = ICE_UCAST_PROMISC_BITS;
+ }
+
+ /* Configure multicast/unicast with or without VLAN promiscuous
+ * mode
+ */
+ status = ice_vf_set_vsi_promisc(vf, vsi, promisc_m, rm_promisc);
+ if (status) {
+ dev_err(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d failed, error: %s\n",
+ rm_promisc ? "dis" : "en", vf->vf_id,
+ ice_stat_str(status));
+ v_ret = ice_err_to_virt_err(status);
+ goto error_param;
+ } else {
+ dev_dbg(dev, "%sable Tx/Rx filter promiscuous mode on VF-%d succeeded\n",
+ rm_promisc ? "dis" : "en", vf->vf_id);
+ }
+ }
+
+ if (info->flags & FLAG_VF_MULTICAST_PROMISC)
+ set_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
+ else
+ clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states);
+
+ if (info->flags & FLAG_VF_UNICAST_PROMISC)
+ set_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
+ else
+ clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states);
+
+error_param:
+ return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
+ v_ret, NULL, 0);
+}
+
+/**
* ice_vc_get_stats_msg
* @vf: pointer to the VF info
* @msg: pointer to the msg buffer
@@ -2118,6 +2529,52 @@ static bool ice_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs)
}
/**
+ * ice_vf_ena_txq_interrupt - enable Tx queue interrupt via QINT_TQCTL
+ * @vsi: VSI of the VF to configure
+ * @q_idx: VF queue index used to determine the queue in the PF's space
+ */
+static void ice_vf_ena_txq_interrupt(struct ice_vsi *vsi, u32 q_idx)
+{
+ struct ice_hw *hw = &vsi->back->hw;
+ u32 pfq = vsi->txq_map[q_idx];
+ u32 reg;
+
+ reg = rd32(hw, QINT_TQCTL(pfq));
+
+ /* MSI-X index 0 in the VF's space is always for the OICR, which means
+ * this is most likely a poll mode VF driver, so don't enable an
+ * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP
+ */
+ if (!(reg & QINT_TQCTL_MSIX_INDX_M))
+ return;
+
+ wr32(hw, QINT_TQCTL(pfq), reg | QINT_TQCTL_CAUSE_ENA_M);
+}
+
+/**
+ * ice_vf_ena_rxq_interrupt - enable Tx queue interrupt via QINT_RQCTL
+ * @vsi: VSI of the VF to configure
+ * @q_idx: VF queue index used to determine the queue in the PF's space
+ */
+static void ice_vf_ena_rxq_interrupt(struct ice_vsi *vsi, u32 q_idx)
+{
+ struct ice_hw *hw = &vsi->back->hw;
+ u32 pfq = vsi->rxq_map[q_idx];
+ u32 reg;
+
+ reg = rd32(hw, QINT_RQCTL(pfq));
+
+ /* MSI-X index 0 in the VF's space is always for the OICR, which means
+ * this is most likely a poll mode VF driver, so don't enable an
+ * interrupt that was never configured via VIRTCHNL_OP_CONFIG_IRQ_MAP
+ */
+ if (!(reg & QINT_RQCTL_MSIX_INDX_M))
+ return;
+
+ wr32(hw, QINT_RQCTL(pfq), reg | QINT_RQCTL_CAUSE_ENA_M);
+}
+
+/**
* ice_vc_ena_qs_msg
* @vf: pointer to the VF info
* @msg: pointer to the msg buffer
@@ -2177,6 +2634,7 @@ static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
goto error_param;
}
+ ice_vf_ena_rxq_interrupt(vsi, vf_q_id);
set_bit(vf_q_id, vf->rxq_ena);
}
@@ -2192,6 +2650,7 @@ static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg)
if (test_bit(vf_q_id, vf->txq_ena))
continue;
+ ice_vf_ena_txq_interrupt(vsi, vf_q_id);
set_bit(vf_q_id, vf->txq_ena);
}
@@ -2604,20 +3063,22 @@ ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, u8 *mac_addr)
return -EPERM;
}
- status = ice_vsi_cfg_mac_fltr(vsi, mac_addr, true);
+ status = ice_fltr_add_mac(vsi, mac_addr, ICE_FWD_TO_VSI);
if (status == ICE_ERR_ALREADY_EXISTS) {
dev_err(dev, "MAC %pM already exists for VF %d\n", mac_addr,
vf->vf_id);
return -EEXIST;
} else if (status) {
- dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n",
- mac_addr, vf->vf_id, status);
+ dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %s\n",
+ mac_addr, vf->vf_id, ice_stat_str(status));
return -EIO;
}
- /* only set dflt_lan_addr once */
- if (is_zero_ether_addr(vf->dflt_lan_addr.addr) &&
- is_unicast_ether_addr(mac_addr))
+ /* Set the default LAN address to the latest unicast MAC address added
+ * by the VF. The default LAN address is reported by the PF via
+ * ndo_get_vf_config.
+ */
+ if (is_unicast_ether_addr(mac_addr))
ether_addr_copy(vf->dflt_lan_addr.addr, mac_addr);
vf->num_mac++;
@@ -2641,14 +3102,14 @@ ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, u8 *mac_addr)
ether_addr_equal(mac_addr, vf->dflt_lan_addr.addr))
return 0;
- status = ice_vsi_cfg_mac_fltr(vsi, mac_addr, false);
+ status = ice_fltr_remove_mac(vsi, mac_addr, ICE_FWD_TO_VSI);
if (status == ICE_ERR_DOES_NOT_EXIST) {
dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr,
vf->vf_id);
return -ENOENT;
} else if (status) {
- dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n",
- mac_addr, vf->vf_id, status);
+ dev_err(dev, "Failed to delete MAC %pM for VF %d, error %s\n",
+ mac_addr, vf->vf_id, ice_stat_str(status));
return -EIO;
}
@@ -2834,7 +3295,6 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
__be16 vlan_proto)
{
struct ice_pf *pf = ice_netdev_to_pf(netdev);
- struct ice_vsi *vsi;
struct device *dev;
struct ice_vf *vf;
u16 vlanprio;
@@ -2856,8 +3316,6 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
}
vf = &pf->vf[vf_id];
- vsi = pf->vsi[vf->lan_vsi_idx];
-
ret = ice_check_vf_ready_for_cfg(vf);
if (ret)
return ret;
@@ -2870,44 +3328,15 @@ ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos,
return 0;
}
- if (vlan_id || qos) {
- /* remove VLAN 0 filter set by default when transitioning from
- * no port VLAN to a port VLAN. No change to old port VLAN on
- * failure.
- */
- ret = ice_vsi_kill_vlan(vsi, 0);
- if (ret)
- return ret;
- ret = ice_vsi_manage_pvid(vsi, vlanprio, true);
- if (ret)
- return ret;
- } else {
- /* add VLAN 0 filter back when transitioning from port VLAN to
- * no port VLAN. No change to old port VLAN on failure.
- */
- ret = ice_vsi_add_vlan(vsi, 0);
- if (ret)
- return ret;
- ret = ice_vsi_manage_pvid(vsi, 0, false);
- if (ret)
- return ret;
- }
+ vf->port_vlan_info = vlanprio;
- if (vlan_id) {
+ if (vf->port_vlan_info)
dev_info(dev, "Setting VLAN %d, QoS 0x%x on VF %d\n",
vlan_id, qos, vf_id);
+ else
+ dev_info(dev, "Clearing port VLAN on VF %d\n", vf_id);
- /* add VLAN filter for the port VLAN */
- ret = ice_vsi_add_vlan(vsi, vlan_id);
- if (ret)
- return ret;
- }
- /* remove old port VLAN filter with valid VLAN ID or QoS fields */
- if (vf->port_vlan_info)
- ice_vsi_kill_vlan(vsi, vf->port_vlan_info & VLAN_VID_MASK);
-
- /* keep port VLAN information persistent on resets */
- vf->port_vlan_info = le16_to_cpu(vsi->info.pvid);
+ ice_vc_reset_vf(vf);
return 0;
}
@@ -2992,8 +3421,9 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
goto error_param;
}
- if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
- test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states))
+ if ((test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) ||
+ test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) &&
+ test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags))
vlan_promisc = true;
if (add_v) {
@@ -3018,7 +3448,7 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
if (!vid)
continue;
- status = ice_vsi_add_vlan(vsi, vid);
+ status = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI);
if (status) {
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
goto error_param;
@@ -3317,6 +3747,9 @@ error_handler:
case VIRTCHNL_OP_GET_STATS:
err = ice_vc_get_stats_msg(vf, msg);
break;
+ case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
+ err = ice_vc_cfg_promiscuous_mode_msg(vf, msg);
+ break;
case VIRTCHNL_OP_ADD_VLAN:
err = ice_vc_add_vlan_msg(vf, msg);
break;
@@ -3390,6 +3823,39 @@ ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi)
}
/**
+ * ice_unicast_mac_exists - check if the unicast MAC exists on the PF's switch
+ * @pf: PF used to reference the switch's rules
+ * @umac: unicast MAC to compare against existing switch rules
+ *
+ * Return true on the first/any match, else return false
+ */
+static bool ice_unicast_mac_exists(struct ice_pf *pf, u8 *umac)
+{
+ struct ice_sw_recipe *mac_recipe_list =
+ &pf->hw.switch_info->recp_list[ICE_SW_LKUP_MAC];
+ struct ice_fltr_mgmt_list_entry *list_itr;
+ struct list_head *rule_head;
+ struct mutex *rule_lock; /* protect MAC filter list access */
+
+ rule_head = &mac_recipe_list->filt_rules;
+ rule_lock = &mac_recipe_list->filt_rule_lock;
+
+ mutex_lock(rule_lock);
+ list_for_each_entry(list_itr, rule_head, list_entry) {
+ u8 *existing_mac = &list_itr->fltr_info.l_data.mac.mac_addr[0];
+
+ if (ether_addr_equal(existing_mac, umac)) {
+ mutex_unlock(rule_lock);
+ return true;
+ }
+ }
+
+ mutex_unlock(rule_lock);
+
+ return false;
+}
+
+/**
* ice_set_vf_mac
* @netdev: network interface device structure
* @vf_id: VF identifier
@@ -3406,25 +3872,41 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
if (ice_validate_vf_id(pf, vf_id))
return -EINVAL;
- if (is_zero_ether_addr(mac) || is_multicast_ether_addr(mac)) {
+ if (is_multicast_ether_addr(mac)) {
netdev_err(netdev, "%pM not a valid unicast address\n", mac);
return -EINVAL;
}
vf = &pf->vf[vf_id];
+ /* nothing left to do, unicast MAC already set */
+ if (ether_addr_equal(vf->dflt_lan_addr.addr, mac))
+ return 0;
+
ret = ice_check_vf_ready_for_cfg(vf);
if (ret)
return ret;
- /* copy MAC into dflt_lan_addr and trigger a VF reset. The reset
- * flow will use the updated dflt_lan_addr and add a MAC filter
- * using ice_add_mac. Also set pf_set_mac to indicate that the PF has
- * set the MAC address for this VF.
+ if (ice_unicast_mac_exists(pf, mac)) {
+ netdev_err(netdev, "Unicast MAC %pM already exists on this PF. Preventing setting VF %u unicast MAC address to %pM\n",
+ mac, vf_id, mac);
+ return -EINVAL;
+ }
+
+ /* VF is notified of its new MAC via the PF's response to the
+ * VIRTCHNL_OP_GET_VF_RESOURCES message after the VF has been reset
*/
ether_addr_copy(vf->dflt_lan_addr.addr, mac);
- vf->pf_set_mac = true;
- netdev_info(netdev, "MAC on VF %d set to %pM. VF driver will be reinitialized\n",
- vf_id, mac);
+ if (is_zero_ether_addr(mac)) {
+ /* VF will send VIRTCHNL_OP_ADD_ETH_ADDR message with its MAC */
+ vf->pf_set_mac = false;
+ netdev_info(netdev, "Removing MAC on VF %d. VF driver will be reinitialized\n",
+ vf->vf_id);
+ } else {
+ /* PF will add MAC rule for the VF */
+ vf->pf_set_mac = true;
+ netdev_info(netdev, "Setting MAC %pM on VF %d. VF driver will be reinitialized\n",
+ mac, vf_id);
+ }
ice_vc_reset_vf(vf);
return 0;
@@ -3554,6 +4036,24 @@ int ice_get_vf_stats(struct net_device *netdev, int vf_id,
}
/**
+ * ice_print_vf_rx_mdd_event - print VF Rx malicious driver detect event
+ * @vf: pointer to the VF structure
+ */
+void ice_print_vf_rx_mdd_event(struct ice_vf *vf)
+{
+ struct ice_pf *pf = vf->pf;
+ struct device *dev;
+
+ dev = ice_pf_to_dev(pf);
+
+ dev_info(dev, "%d Rx Malicious Driver Detection events detected on PF %d VF %d MAC %pM. mdd-auto-reset-vfs=%s\n",
+ vf->mdd_rx_events.count, pf->hw.pf_id, vf->vf_id,
+ vf->dflt_lan_addr.addr,
+ test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)
+ ? "on" : "off");
+}
+
+/**
* ice_print_vfs_mdd_event - print VFs malicious driver detect event
* @pf: pointer to the PF structure
*
@@ -3582,12 +4082,7 @@ void ice_print_vfs_mdd_events(struct ice_pf *pf)
if (vf->mdd_rx_events.count != vf->mdd_rx_events.last_printed) {
vf->mdd_rx_events.last_printed =
vf->mdd_rx_events.count;
-
- dev_info(dev, "%d Rx Malicious Driver Detection events detected on PF %d VF %d MAC %pM. mdd-auto-reset-vfs=%s\n",
- vf->mdd_rx_events.count, hw->pf_id, i,
- vf->dflt_lan_addr.addr,
- test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)
- ? "on" : "off");
+ ice_print_vf_rx_mdd_event(vf);
}
/* only print Tx MDD event message if there are new events */
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
index 3f9464269bd2..67aa9110fdd1 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h
@@ -7,7 +7,10 @@
/* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */
#define ICE_MAX_VLAN_PER_VF 8
-#define ICE_MAX_MACADDR_PER_VF 12
+/* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for
+ * broadcast, and 16 for additional unicast/multicast filters
+ */
+#define ICE_MAX_MACADDR_PER_VF 18
/* Malicious Driver Detection */
#define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED 10
@@ -64,7 +67,7 @@ struct ice_mdd_vf_events {
struct ice_vf {
struct ice_pf *pf;
- s16 vf_id; /* VF ID in the PF space */
+ u16 vf_id; /* VF ID in the PF space */
u16 lan_vsi_idx; /* index into PF struct */
/* first vector index of this VF in the PF space */
int first_vector_idx;
@@ -128,9 +131,11 @@ void ice_set_vf_state_qs_dis(struct ice_vf *vf);
int
ice_get_vf_stats(struct net_device *netdev, int vf_id,
struct ifla_vf_stats *vf_stats);
+bool ice_is_any_vf_in_promisc(struct ice_pf *pf);
void
ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event);
void ice_print_vfs_mdd_events(struct ice_pf *pf);
+void ice_print_vf_rx_mdd_event(struct ice_vf *vf);
#else /* CONFIG_PCI_IOV */
#define ice_process_vflr_event(pf) do {} while (0)
#define ice_free_vfs(pf) do {} while (0)
@@ -140,6 +145,7 @@ void ice_print_vfs_mdd_events(struct ice_pf *pf);
#define ice_set_vf_state_qs_dis(vf) do {} while (0)
#define ice_vf_lan_overflow_event(pf, event) do {} while (0)
#define ice_print_vfs_mdd_events(pf) do {} while (0)
+#define ice_print_vf_rx_mdd_event(vf) do {} while (0)
static inline bool
ice_reset_all_vfs(struct ice_pf __always_unused *pf,
@@ -219,5 +225,10 @@ ice_get_vf_stats(struct net_device __always_unused *netdev,
{
return -EOPNOTSUPP;
}
+
+static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf)
+{
+ return false;
+}
#endif /* CONFIG_PCI_IOV */
#endif /* _ICE_VIRTCHNL_PF_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index 8279db15e870..b6f928c9e9c9 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -2,7 +2,7 @@
/* Copyright (c) 2019, Intel Corporation. */
#include <linux/bpf_trace.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/xdp.h>
#include "ice.h"
#include "ice_base.h"
@@ -280,28 +280,6 @@ static int ice_xsk_alloc_umems(struct ice_vsi *vsi)
}
/**
- * ice_xsk_add_umem - add a UMEM region for XDP sockets
- * @vsi: VSI to which the UMEM will be added
- * @umem: pointer to a requested UMEM region
- * @qid: queue ID
- *
- * Returns 0 on success, negative on error
- */
-static int ice_xsk_add_umem(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid)
-{
- int err;
-
- err = ice_xsk_alloc_umems(vsi);
- if (err)
- return err;
-
- vsi->xsk_umems[qid] = umem;
- vsi->num_xsk_umems_used++;
-
- return 0;
-}
-
-/**
* ice_xsk_remove_umem - Remove an UMEM for a certain ring/qid
* @vsi: VSI from which the VSI will be removed
* @qid: Ring/qid associated with the UMEM
@@ -318,65 +296,6 @@ static void ice_xsk_remove_umem(struct ice_vsi *vsi, u16 qid)
}
}
-/**
- * ice_xsk_umem_dma_map - DMA map UMEM region for XDP sockets
- * @vsi: VSI to map the UMEM region
- * @umem: UMEM to map
- *
- * Returns 0 on success, negative on error
- */
-static int ice_xsk_umem_dma_map(struct ice_vsi *vsi, struct xdp_umem *umem)
-{
- struct ice_pf *pf = vsi->back;
- struct device *dev;
- unsigned int i;
-
- dev = ice_pf_to_dev(pf);
- for (i = 0; i < umem->npgs; i++) {
- dma_addr_t dma = dma_map_page_attrs(dev, umem->pgs[i], 0,
- PAGE_SIZE,
- DMA_BIDIRECTIONAL,
- ICE_RX_DMA_ATTR);
- if (dma_mapping_error(dev, dma)) {
- dev_dbg(dev, "XSK UMEM DMA mapping error on page num %d\n",
- i);
- goto out_unmap;
- }
-
- umem->pages[i].dma = dma;
- }
-
- return 0;
-
-out_unmap:
- for (; i > 0; i--) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, ICE_RX_DMA_ATTR);
- umem->pages[i].dma = 0;
- }
-
- return -EFAULT;
-}
-
-/**
- * ice_xsk_umem_dma_unmap - DMA unmap UMEM region for XDP sockets
- * @vsi: VSI from which the UMEM will be unmapped
- * @umem: UMEM to unmap
- */
-static void ice_xsk_umem_dma_unmap(struct ice_vsi *vsi, struct xdp_umem *umem)
-{
- struct ice_pf *pf = vsi->back;
- struct device *dev;
- unsigned int i;
-
- dev = ice_pf_to_dev(pf);
- for (i = 0; i < umem->npgs; i++) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, ICE_RX_DMA_ATTR);
-
- umem->pages[i].dma = 0;
- }
-}
/**
* ice_xsk_umem_disable - disable a UMEM region
@@ -391,7 +310,7 @@ static int ice_xsk_umem_disable(struct ice_vsi *vsi, u16 qid)
!vsi->xsk_umems[qid])
return -EINVAL;
- ice_xsk_umem_dma_unmap(vsi, vsi->xsk_umems[qid]);
+ xsk_buff_dma_unmap(vsi->xsk_umems[qid], ICE_RX_DMA_ATTR);
ice_xsk_remove_umem(vsi, qid);
return 0;
@@ -408,7 +327,6 @@ static int ice_xsk_umem_disable(struct ice_vsi *vsi, u16 qid)
static int
ice_xsk_umem_enable(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid)
{
- struct xdp_umem_fq_reuse *reuseq;
int err;
if (vsi->type != ICE_VSI_PF)
@@ -419,20 +337,18 @@ ice_xsk_umem_enable(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid)
if (qid >= vsi->num_xsk_umems)
return -EINVAL;
+ err = ice_xsk_alloc_umems(vsi);
+ if (err)
+ return err;
+
if (vsi->xsk_umems && vsi->xsk_umems[qid])
return -EBUSY;
- reuseq = xsk_reuseq_prepare(vsi->rx_rings[0]->count);
- if (!reuseq)
- return -ENOMEM;
-
- xsk_reuseq_free(xsk_reuseq_swap(umem, reuseq));
-
- err = ice_xsk_umem_dma_map(vsi, umem);
- if (err)
- return err;
+ vsi->xsk_umems[qid] = umem;
+ vsi->num_xsk_umems_used++;
- err = ice_xsk_add_umem(vsi, umem, qid);
+ err = xsk_buff_dma_map(vsi->xsk_umems[qid], ice_pf_to_dev(vsi->back),
+ ICE_RX_DMA_ATTR);
if (err)
return err;
@@ -484,137 +400,22 @@ xsk_umem_if_up:
}
/**
- * ice_zca_free - Callback for MEM_TYPE_ZERO_COPY allocations
- * @zca: zero-cpoy allocator
- * @handle: Buffer handle
- */
-void ice_zca_free(struct zero_copy_allocator *zca, unsigned long handle)
-{
- struct ice_rx_buf *rx_buf;
- struct ice_ring *rx_ring;
- struct xdp_umem *umem;
- u64 hr, mask;
- u16 nta;
-
- rx_ring = container_of(zca, struct ice_ring, zca);
- umem = rx_ring->xsk_umem;
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- mask = umem->chunk_mask;
-
- nta = rx_ring->next_to_alloc;
- rx_buf = &rx_ring->rx_buf[nta];
-
- nta++;
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- handle &= mask;
-
- rx_buf->dma = xdp_umem_get_dma(umem, handle);
- rx_buf->dma += hr;
-
- rx_buf->addr = xdp_umem_get_data(umem, handle);
- rx_buf->addr += hr;
-
- rx_buf->handle = (u64)handle + umem->headroom;
-}
-
-/**
- * ice_alloc_buf_fast_zc - Retrieve buffer address from XDP umem
- * @rx_ring: ring with an xdp_umem bound to it
- * @rx_buf: buffer to which xsk page address will be assigned
- *
- * This function allocates an Rx buffer in the hot path.
- * The buffer can come from fill queue or recycle queue.
- *
- * Returns true if an assignment was successful, false if not.
- */
-static __always_inline bool
-ice_alloc_buf_fast_zc(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- void *addr = rx_buf->addr;
- u64 handle, hr;
-
- if (addr) {
- rx_ring->rx_stats.page_reuse_count++;
- return true;
- }
-
- if (!xsk_umem_peek_addr(umem, &handle)) {
- rx_ring->rx_stats.alloc_page_failed++;
- return false;
- }
-
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- rx_buf->dma = xdp_umem_get_dma(umem, handle);
- rx_buf->dma += hr;
-
- rx_buf->addr = xdp_umem_get_data(umem, handle);
- rx_buf->addr += hr;
-
- rx_buf->handle = handle + umem->headroom;
-
- xsk_umem_release_addr(umem);
- return true;
-}
-
-/**
- * ice_alloc_buf_slow_zc - Retrieve buffer address from XDP umem
- * @rx_ring: ring with an xdp_umem bound to it
- * @rx_buf: buffer to which xsk page address will be assigned
- *
- * This function allocates an Rx buffer in the slow path.
- * The buffer can come from fill queue or recycle queue.
- *
- * Returns true if an assignment was successful, false if not.
- */
-static __always_inline bool
-ice_alloc_buf_slow_zc(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- u64 handle, headroom;
-
- if (!xsk_umem_peek_addr_rq(umem, &handle)) {
- rx_ring->rx_stats.alloc_page_failed++;
- return false;
- }
-
- handle &= umem->chunk_mask;
- headroom = umem->headroom + XDP_PACKET_HEADROOM;
-
- rx_buf->dma = xdp_umem_get_dma(umem, handle);
- rx_buf->dma += headroom;
-
- rx_buf->addr = xdp_umem_get_data(umem, handle);
- rx_buf->addr += headroom;
-
- rx_buf->handle = handle + umem->headroom;
-
- xsk_umem_release_addr_rq(umem);
- return true;
-}
-
-/**
* ice_alloc_rx_bufs_zc - allocate a number of Rx buffers
* @rx_ring: Rx ring
* @count: The number of buffers to allocate
- * @alloc: the function pointer to call for allocation
*
* This function allocates a number of Rx buffers from the fill ring
* or the internal recycle mechanism and places them on the Rx ring.
*
* Returns false if all allocations were successful, true if any fail.
*/
-static bool
-ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, int count,
- bool (*alloc)(struct ice_ring *, struct ice_rx_buf *))
+bool ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, u16 count)
{
union ice_32b_rx_flex_desc *rx_desc;
u16 ntu = rx_ring->next_to_use;
struct ice_rx_buf *rx_buf;
bool ret = false;
+ dma_addr_t dma;
if (!count)
return false;
@@ -623,16 +424,14 @@ ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, int count,
rx_buf = &rx_ring->rx_buf[ntu];
do {
- if (!alloc(rx_ring, rx_buf)) {
+ rx_buf->xdp = xsk_buff_alloc(rx_ring->xsk_umem);
+ if (!rx_buf->xdp) {
ret = true;
break;
}
- dma_sync_single_range_for_device(rx_ring->dev, rx_buf->dma, 0,
- rx_ring->rx_buf_len,
- DMA_BIDIRECTIONAL);
-
- rx_desc->read.pkt_addr = cpu_to_le64(rx_buf->dma);
+ dma = xsk_buff_xdp_get_dma(rx_buf->xdp);
+ rx_desc->read.pkt_addr = cpu_to_le64(dma);
rx_desc->wb.status_error0 = 0;
rx_desc++;
@@ -653,32 +452,6 @@ ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, int count,
}
/**
- * ice_alloc_rx_bufs_fast_zc - allocate zero copy bufs in the hot path
- * @rx_ring: Rx ring
- * @count: number of bufs to allocate
- *
- * Returns false on success, true on failure.
- */
-static bool ice_alloc_rx_bufs_fast_zc(struct ice_ring *rx_ring, u16 count)
-{
- return ice_alloc_rx_bufs_zc(rx_ring, count,
- ice_alloc_buf_fast_zc);
-}
-
-/**
- * ice_alloc_rx_bufs_slow_zc - allocate zero copy bufs in the slow path
- * @rx_ring: Rx ring
- * @count: number of bufs to allocate
- *
- * Returns false on success, true on failure.
- */
-bool ice_alloc_rx_bufs_slow_zc(struct ice_ring *rx_ring, u16 count)
-{
- return ice_alloc_rx_bufs_zc(rx_ring, count,
- ice_alloc_buf_slow_zc);
-}
-
-/**
* ice_bump_ntc - Bump the next_to_clean counter of an Rx ring
* @rx_ring: Rx ring
*/
@@ -692,76 +465,21 @@ static void ice_bump_ntc(struct ice_ring *rx_ring)
}
/**
- * ice_get_rx_buf_zc - Fetch the current Rx buffer
- * @rx_ring: Rx ring
- * @size: size of a buffer
- *
- * This function returns the current, received Rx buffer and does
- * DMA synchronization.
- *
- * Returns a pointer to the received Rx buffer.
- */
-static struct ice_rx_buf *ice_get_rx_buf_zc(struct ice_ring *rx_ring, int size)
-{
- struct ice_rx_buf *rx_buf;
-
- rx_buf = &rx_ring->rx_buf[rx_ring->next_to_clean];
-
- dma_sync_single_range_for_cpu(rx_ring->dev, rx_buf->dma, 0,
- size, DMA_BIDIRECTIONAL);
-
- return rx_buf;
-}
-
-/**
- * ice_reuse_rx_buf_zc - reuse an Rx buffer
- * @rx_ring: Rx ring
- * @old_buf: The buffer to recycle
- *
- * This function recycles a finished Rx buffer, and places it on the recycle
- * queue (next_to_alloc).
- */
-static void
-ice_reuse_rx_buf_zc(struct ice_ring *rx_ring, struct ice_rx_buf *old_buf)
-{
- unsigned long mask = (unsigned long)rx_ring->xsk_umem->chunk_mask;
- u64 hr = rx_ring->xsk_umem->headroom + XDP_PACKET_HEADROOM;
- u16 nta = rx_ring->next_to_alloc;
- struct ice_rx_buf *new_buf;
-
- new_buf = &rx_ring->rx_buf[nta++];
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- new_buf->dma = old_buf->dma & mask;
- new_buf->dma += hr;
-
- new_buf->addr = (void *)((unsigned long)old_buf->addr & mask);
- new_buf->addr += hr;
-
- new_buf->handle = old_buf->handle & mask;
- new_buf->handle += rx_ring->xsk_umem->headroom;
-
- old_buf->addr = NULL;
-}
-
-/**
* ice_construct_skb_zc - Create an sk_buff from zero-copy buffer
* @rx_ring: Rx ring
* @rx_buf: zero-copy Rx buffer
- * @xdp: XDP buffer
*
* This function allocates a new skb from a zero-copy Rx buffer.
*
* Returns the skb on success, NULL on failure.
*/
static struct sk_buff *
-ice_construct_skb_zc(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf,
- struct xdp_buff *xdp)
+ice_construct_skb_zc(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf)
{
- unsigned int metasize = xdp->data - xdp->data_meta;
- unsigned int datasize = xdp->data_end - xdp->data;
- unsigned int datasize_hard = xdp->data_end -
- xdp->data_hard_start;
+ unsigned int metasize = rx_buf->xdp->data - rx_buf->xdp->data_meta;
+ unsigned int datasize = rx_buf->xdp->data_end - rx_buf->xdp->data;
+ unsigned int datasize_hard = rx_buf->xdp->data_end -
+ rx_buf->xdp->data_hard_start;
struct sk_buff *skb;
skb = __napi_alloc_skb(&rx_ring->q_vector->napi, datasize_hard,
@@ -769,13 +487,13 @@ ice_construct_skb_zc(struct ice_ring *rx_ring, struct ice_rx_buf *rx_buf,
if (unlikely(!skb))
return NULL;
- skb_reserve(skb, xdp->data - xdp->data_hard_start);
- memcpy(__skb_put(skb, datasize), xdp->data, datasize);
+ skb_reserve(skb, rx_buf->xdp->data - rx_buf->xdp->data_hard_start);
+ memcpy(__skb_put(skb, datasize), rx_buf->xdp->data, datasize);
if (metasize)
skb_metadata_set(skb, metasize);
- ice_reuse_rx_buf_zc(rx_ring, rx_buf);
-
+ xsk_buff_free(rx_buf->xdp);
+ rx_buf->xdp = NULL;
return skb;
}
@@ -802,7 +520,6 @@ ice_run_xdp_zc(struct ice_ring *rx_ring, struct xdp_buff *xdp)
}
act = bpf_prog_run_xdp(xdp_prog, xdp);
- xdp->handle += xdp->data - xdp->data_hard_start;
switch (act) {
case XDP_PASS:
break;
@@ -842,9 +559,6 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget)
u16 cleaned_count = ICE_DESC_UNUSED(rx_ring);
unsigned int xdp_xmit = 0;
bool failure = false;
- struct xdp_buff xdp;
-
- xdp.rxq = &rx_ring->xdp_rxq;
while (likely(total_rx_packets < (unsigned int)budget)) {
union ice_32b_rx_flex_desc *rx_desc;
@@ -856,8 +570,8 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget)
u8 rx_ptype;
if (cleaned_count >= ICE_RX_BUF_WRITE) {
- failure |= ice_alloc_rx_bufs_fast_zc(rx_ring,
- cleaned_count);
+ failure |= ice_alloc_rx_bufs_zc(rx_ring,
+ cleaned_count);
cleaned_count = 0;
}
@@ -878,25 +592,19 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget)
if (!size)
break;
- rx_buf = ice_get_rx_buf_zc(rx_ring, size);
- if (!rx_buf->addr)
- break;
- xdp.data = rx_buf->addr;
- xdp.data_meta = xdp.data;
- xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM;
- xdp.data_end = xdp.data + size;
- xdp.handle = rx_buf->handle;
+ rx_buf = &rx_ring->rx_buf[rx_ring->next_to_clean];
+ rx_buf->xdp->data_end = rx_buf->xdp->data + size;
+ xsk_buff_dma_sync_for_cpu(rx_buf->xdp);
- xdp_res = ice_run_xdp_zc(rx_ring, &xdp);
+ xdp_res = ice_run_xdp_zc(rx_ring, rx_buf->xdp);
if (xdp_res) {
- if (xdp_res & (ICE_XDP_TX | ICE_XDP_REDIR)) {
+ if (xdp_res & (ICE_XDP_TX | ICE_XDP_REDIR))
xdp_xmit |= xdp_res;
- rx_buf->addr = NULL;
- } else {
- ice_reuse_rx_buf_zc(rx_ring, rx_buf);
- }
+ else
+ xsk_buff_free(rx_buf->xdp);
+ rx_buf->xdp = NULL;
total_rx_bytes += size;
total_rx_packets++;
cleaned_count++;
@@ -906,7 +614,7 @@ int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget)
}
/* XDP_PASS path */
- skb = ice_construct_skb_zc(rx_ring, rx_buf, &xdp);
+ skb = ice_construct_skb_zc(rx_ring, rx_buf);
if (!skb) {
rx_ring->rx_stats.alloc_buf_failed++;
break;
@@ -977,17 +685,16 @@ static bool ice_xmit_zc(struct ice_ring *xdp_ring, int budget)
if (!xsk_umem_consume_tx(xdp_ring->xsk_umem, &desc))
break;
- dma = xdp_umem_get_dma(xdp_ring->xsk_umem, desc.addr);
-
- dma_sync_single_for_device(xdp_ring->dev, dma, desc.len,
- DMA_BIDIRECTIONAL);
+ dma = xsk_buff_raw_get_dma(xdp_ring->xsk_umem, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_umem, dma,
+ desc.len);
tx_buf->bytecount = desc.len;
tx_desc = ICE_TX_DESC(xdp_ring, xdp_ring->next_to_use);
tx_desc->buf_addr = cpu_to_le64(dma);
- tx_desc->cmd_type_offset_bsz = build_ctob(ICE_TXD_LAST_DESC_CMD,
- 0, desc.len, 0);
+ tx_desc->cmd_type_offset_bsz =
+ ice_build_ctob(ICE_TXD_LAST_DESC_CMD, 0, desc.len, 0);
xdp_ring->next_to_use++;
if (xdp_ring->next_to_use == xdp_ring->count)
@@ -1163,11 +870,10 @@ void ice_xsk_clean_rx_ring(struct ice_ring *rx_ring)
for (i = 0; i < rx_ring->count; i++) {
struct ice_rx_buf *rx_buf = &rx_ring->rx_buf[i];
- if (!rx_buf->addr)
+ if (!rx_buf->xdp)
continue;
- xsk_umem_fq_reuse(rx_ring->xsk_umem, rx_buf->handle);
- rx_buf->addr = NULL;
+ rx_buf->xdp = NULL;
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.h b/drivers/net/ethernet/intel/ice/ice_xsk.h
index 8a4ba7c6d549..fc1a06b4df36 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.h
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.h
@@ -10,11 +10,10 @@ struct ice_vsi;
#ifdef CONFIG_XDP_SOCKETS
int ice_xsk_umem_setup(struct ice_vsi *vsi, struct xdp_umem *umem, u16 qid);
-void ice_zca_free(struct zero_copy_allocator *zca, unsigned long handle);
int ice_clean_rx_irq_zc(struct ice_ring *rx_ring, int budget);
bool ice_clean_tx_irq_zc(struct ice_ring *xdp_ring, int budget);
int ice_xsk_wakeup(struct net_device *netdev, u32 queue_id, u32 flags);
-bool ice_alloc_rx_bufs_slow_zc(struct ice_ring *rx_ring, u16 count);
+bool ice_alloc_rx_bufs_zc(struct ice_ring *rx_ring, u16 count);
bool ice_xsk_any_rx_ring_ena(struct ice_vsi *vsi);
void ice_xsk_clean_rx_ring(struct ice_ring *rx_ring);
void ice_xsk_clean_xdp_ring(struct ice_ring *xdp_ring);
@@ -27,12 +26,6 @@ ice_xsk_umem_setup(struct ice_vsi __always_unused *vsi,
return -EOPNOTSUPP;
}
-static inline void
-ice_zca_free(struct zero_copy_allocator __always_unused *zca,
- unsigned long __always_unused handle)
-{
-}
-
static inline int
ice_clean_rx_irq_zc(struct ice_ring __always_unused *rx_ring,
int __always_unused budget)
@@ -48,8 +41,8 @@ ice_clean_tx_irq_zc(struct ice_ring __always_unused *xdp_ring,
}
static inline bool
-ice_alloc_rx_bufs_slow_zc(struct ice_ring __always_unused *rx_ring,
- u16 __always_unused count)
+ice_alloc_rx_bufs_zc(struct ice_ring __always_unused *rx_ring,
+ u16 __always_unused count)
{
return false;
}
diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c
index 79ee0a747260..3254737c07a3 100644
--- a/drivers/net/ethernet/intel/igb/e1000_mac.c
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.c
@@ -12,7 +12,7 @@
#include "igb.h"
static s32 igb_set_default_fc(struct e1000_hw *hw);
-static s32 igb_set_fc_watermarks(struct e1000_hw *hw);
+static void igb_set_fc_watermarks(struct e1000_hw *hw);
/**
* igb_get_bus_info_pcie - Get PCIe bus information
@@ -687,7 +687,7 @@ s32 igb_setup_link(struct e1000_hw *hw)
wr32(E1000_FCTTV, hw->fc.pause_time);
- ret_val = igb_set_fc_watermarks(hw);
+ igb_set_fc_watermarks(hw);
out:
@@ -723,9 +723,8 @@ void igb_config_collision_dist(struct e1000_hw *hw)
* flow control XON frame transmission is enabled, then set XON frame
* tansmission as well.
**/
-static s32 igb_set_fc_watermarks(struct e1000_hw *hw)
+static void igb_set_fc_watermarks(struct e1000_hw *hw)
{
- s32 ret_val = 0;
u32 fcrtl = 0, fcrth = 0;
/* Set the flow control receive threshold registers. Normally,
@@ -747,8 +746,6 @@ static s32 igb_set_fc_watermarks(struct e1000_hw *hw)
}
wr32(E1000_FCRTL, fcrtl);
wr32(E1000_FCRTH, fcrth);
-
- return ret_val;
}
/**
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 39d3b76a6f5d..2cd003c5ad43 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -143,7 +143,8 @@ static int igb_get_link_ksettings(struct net_device *netdev,
u32 speed;
u32 supported, advertising;
- status = rd32(E1000_STATUS);
+ status = pm_runtime_suspended(&adapter->pdev->dev) ?
+ 0 : rd32(E1000_STATUS);
if (hw->phy.media_type == e1000_media_type_copper) {
supported = (SUPPORTED_10baseT_Half |
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index b46bff8fe056..8bb3db2cbd41 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -3445,7 +3445,7 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
}
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_put_noidle(&pdev->dev);
return 0;
diff --git a/drivers/net/ethernet/intel/igc/Makefile b/drivers/net/ethernet/intel/igc/Makefile
index e3c164c12e10..1c3051db9085 100644
--- a/drivers/net/ethernet/intel/igc/Makefile
+++ b/drivers/net/ethernet/intel/igc/Makefile
@@ -8,4 +8,4 @@
obj-$(CONFIG_IGC) += igc.o
igc-objs := igc_main.o igc_mac.o igc_i225.o igc_base.o igc_nvm.o igc_phy.o \
-igc_ethtool.o igc_ptp.o igc_dump.o
+igc_diag.o igc_ethtool.o igc_ptp.o igc_dump.o igc_tsn.o
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index a1f845a2aa80..5dbc5a156626 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -16,14 +16,210 @@
#include "igc_hw.h"
-/* forward declaration */
-void igc_set_ethtool_ops(struct net_device *);
+void igc_ethtool_set_ops(struct net_device *);
-struct igc_adapter;
-struct igc_ring;
+/* Transmit and receive queues */
+#define IGC_MAX_RX_QUEUES 4
+#define IGC_MAX_TX_QUEUES 4
+
+#define MAX_Q_VECTORS 8
+#define MAX_STD_JUMBO_FRAME_SIZE 9216
+
+#define MAX_ETYPE_FILTER 8
+#define IGC_RETA_SIZE 128
+
+enum igc_mac_filter_type {
+ IGC_MAC_FILTER_TYPE_DST = 0,
+ IGC_MAC_FILTER_TYPE_SRC
+};
+
+struct igc_tx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 restart_queue;
+ u64 restart_queue2;
+};
+
+struct igc_rx_queue_stats {
+ u64 packets;
+ u64 bytes;
+ u64 drops;
+ u64 csum_err;
+ u64 alloc_failed;
+};
+
+struct igc_rx_packet_stats {
+ u64 ipv4_packets; /* IPv4 headers processed */
+ u64 ipv4e_packets; /* IPv4E headers with extensions processed */
+ u64 ipv6_packets; /* IPv6 headers processed */
+ u64 ipv6e_packets; /* IPv6E headers with extensions processed */
+ u64 tcp_packets; /* TCP headers processed */
+ u64 udp_packets; /* UDP headers processed */
+ u64 sctp_packets; /* SCTP headers processed */
+ u64 nfs_packets; /* NFS headers processe */
+ u64 other_packets;
+};
+
+struct igc_ring_container {
+ struct igc_ring *ring; /* pointer to linked list of rings */
+ unsigned int total_bytes; /* total bytes processed this int */
+ unsigned int total_packets; /* total packets processed this int */
+ u16 work_limit; /* total work allowed per interrupt */
+ u8 count; /* total number of rings in vector */
+ u8 itr; /* current ITR setting for ring */
+};
+
+struct igc_ring {
+ struct igc_q_vector *q_vector; /* backlink to q_vector */
+ struct net_device *netdev; /* back pointer to net_device */
+ struct device *dev; /* device for dma mapping */
+ union { /* array of buffer info structs */
+ struct igc_tx_buffer *tx_buffer_info;
+ struct igc_rx_buffer *rx_buffer_info;
+ };
+ void *desc; /* descriptor ring memory */
+ unsigned long flags; /* ring specific flags */
+ void __iomem *tail; /* pointer to ring tail register */
+ dma_addr_t dma; /* phys address of the ring */
+ unsigned int size; /* length of desc. ring in bytes */
+
+ u16 count; /* number of desc. in the ring */
+ u8 queue_index; /* logical index of the ring*/
+ u8 reg_idx; /* physical index of the ring */
+ bool launchtime_enable; /* true if LaunchTime is enabled */
+
+ u32 start_time;
+ u32 end_time;
+
+ /* everything past this point are written often */
+ u16 next_to_clean;
+ u16 next_to_use;
+ u16 next_to_alloc;
+
+ union {
+ /* TX */
+ struct {
+ struct igc_tx_queue_stats tx_stats;
+ struct u64_stats_sync tx_syncp;
+ struct u64_stats_sync tx_syncp2;
+ };
+ /* RX */
+ struct {
+ struct igc_rx_queue_stats rx_stats;
+ struct igc_rx_packet_stats pkt_stats;
+ struct u64_stats_sync rx_syncp;
+ struct sk_buff *skb;
+ };
+ };
+} ____cacheline_internodealigned_in_smp;
+
+/* Board specific private data structure */
+struct igc_adapter {
+ struct net_device *netdev;
+
+ unsigned long state;
+ unsigned int flags;
+ unsigned int num_q_vectors;
+
+ struct msix_entry *msix_entries;
+
+ /* TX */
+ u16 tx_work_limit;
+ u32 tx_timeout_count;
+ int num_tx_queues;
+ struct igc_ring *tx_ring[IGC_MAX_TX_QUEUES];
+
+ /* RX */
+ int num_rx_queues;
+ struct igc_ring *rx_ring[IGC_MAX_RX_QUEUES];
+
+ struct timer_list watchdog_timer;
+ struct timer_list dma_err_timer;
+ struct timer_list phy_info_timer;
+
+ u32 wol;
+ u32 en_mng_pt;
+ u16 link_speed;
+ u16 link_duplex;
+
+ u8 port_num;
+
+ u8 __iomem *io_addr;
+ /* Interrupt Throttle Rate */
+ u32 rx_itr_setting;
+ u32 tx_itr_setting;
+
+ struct work_struct reset_task;
+ struct work_struct watchdog_task;
+ struct work_struct dma_err_task;
+ bool fc_autoneg;
+
+ u8 tx_timeout_factor;
+
+ int msg_enable;
+ u32 max_frame_size;
+ u32 min_frame_size;
+
+ ktime_t base_time;
+ ktime_t cycle_time;
+
+ /* OS defined structs */
+ struct pci_dev *pdev;
+ /* lock for statistics */
+ spinlock_t stats64_lock;
+ struct rtnl_link_stats64 stats64;
+
+ /* structs defined in igc_hw.h */
+ struct igc_hw hw;
+ struct igc_hw_stats stats;
+
+ struct igc_q_vector *q_vector[MAX_Q_VECTORS];
+ u32 eims_enable_mask;
+ u32 eims_other;
+
+ u16 tx_ring_count;
+ u16 rx_ring_count;
+
+ u32 tx_hwtstamp_timeouts;
+ u32 tx_hwtstamp_skipped;
+ u32 rx_hwtstamp_cleared;
+
+ u32 rss_queues;
+ u32 rss_indir_tbl_init;
+
+ /* Any access to elements in nfc_rule_list is protected by the
+ * nfc_rule_lock.
+ */
+ struct mutex nfc_rule_lock;
+ struct list_head nfc_rule_list;
+ unsigned int nfc_rule_count;
+
+ u8 rss_indir_tbl[IGC_RETA_SIZE];
+
+ unsigned long link_check_timeout;
+ struct igc_info ei;
+
+ u32 test_icr;
+
+ struct ptp_clock *ptp_clock;
+ struct ptp_clock_info ptp_caps;
+ struct work_struct ptp_tx_work;
+ struct sk_buff *ptp_tx_skb;
+ struct hwtstamp_config tstamp_config;
+ unsigned long ptp_tx_start;
+ unsigned long last_rx_ptp_check;
+ unsigned long last_rx_timestamp;
+ unsigned int ptp_flags;
+ /* System time value lock */
+ spinlock_t tmreg_lock;
+ struct cyclecounter cc;
+ struct timecounter tc;
+};
void igc_up(struct igc_adapter *adapter);
void igc_down(struct igc_adapter *adapter);
+int igc_open(struct net_device *netdev);
+int igc_close(struct net_device *netdev);
int igc_setup_tx_resources(struct igc_ring *ring);
int igc_setup_rx_resources(struct igc_ring *ring);
void igc_free_tx_resources(struct igc_ring *ring);
@@ -36,10 +232,6 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter);
bool igc_has_link(struct igc_adapter *adapter);
void igc_reset(struct igc_adapter *adapter);
int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx);
-int igc_add_mac_steering_filter(struct igc_adapter *adapter,
- const u8 *addr, u8 queue, u8 flags);
-int igc_del_mac_steering_filter(struct igc_adapter *adapter,
- const u8 *addr, u8 queue, u8 flags);
void igc_update_stats(struct igc_adapter *adapter);
/* igc_dump declarations */
@@ -50,14 +242,10 @@ extern char igc_driver_name[];
extern char igc_driver_version[];
#define IGC_REGS_LEN 740
-#define IGC_RETA_SIZE 128
/* flags controlling PTP/1588 function */
#define IGC_PTP_ENABLED BIT(0)
-/* Interrupt defines */
-#define IGC_START_ITR 648 /* ~6000 ints/sec */
-
/* Flags definitions */
#define IGC_FLAG_HAS_MSI BIT(0)
#define IGC_FLAG_QUEUE_PAIRS BIT(3)
@@ -70,6 +258,7 @@ extern char igc_driver_version[];
#define IGC_FLAG_HAS_MSIX BIT(13)
#define IGC_FLAG_VLAN_PROMISC BIT(15)
#define IGC_FLAG_RX_LEGACY BIT(16)
+#define IGC_FLAG_TSN_QBV_ENABLED BIT(17)
#define IGC_FLAG_RSS_FIELD_IPV4_UDP BIT(6)
#define IGC_FLAG_RSS_FIELD_IPV6_UDP BIT(7)
@@ -78,6 +267,7 @@ extern char igc_driver_version[];
#define IGC_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
#define IGC_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
+/* Interrupt defines */
#define IGC_START_ITR 648 /* ~6000 ints/sec */
#define IGC_4K_ITR 980
#define IGC_20K_ITR 196
@@ -99,13 +289,6 @@ extern char igc_driver_version[];
#define IGC_MIN_RXD 80
#define IGC_MAX_RXD 4096
-/* Transmit and receive queues */
-#define IGC_MAX_RX_QUEUES 4
-#define IGC_MAX_TX_QUEUES 4
-
-#define MAX_Q_VECTORS 8
-#define MAX_STD_JUMBO_FRAME_SIZE 9216
-
/* Supported Rx Buffer Sizes */
#define IGC_RXBUFFER_256 256
#define IGC_RXBUFFER_2048 2048
@@ -232,83 +415,6 @@ struct igc_rx_buffer {
__u16 pagecnt_bias;
};
-struct igc_tx_queue_stats {
- u64 packets;
- u64 bytes;
- u64 restart_queue;
- u64 restart_queue2;
-};
-
-struct igc_rx_queue_stats {
- u64 packets;
- u64 bytes;
- u64 drops;
- u64 csum_err;
- u64 alloc_failed;
-};
-
-struct igc_rx_packet_stats {
- u64 ipv4_packets; /* IPv4 headers processed */
- u64 ipv4e_packets; /* IPv4E headers with extensions processed */
- u64 ipv6_packets; /* IPv6 headers processed */
- u64 ipv6e_packets; /* IPv6E headers with extensions processed */
- u64 tcp_packets; /* TCP headers processed */
- u64 udp_packets; /* UDP headers processed */
- u64 sctp_packets; /* SCTP headers processed */
- u64 nfs_packets; /* NFS headers processe */
- u64 other_packets;
-};
-
-struct igc_ring_container {
- struct igc_ring *ring; /* pointer to linked list of rings */
- unsigned int total_bytes; /* total bytes processed this int */
- unsigned int total_packets; /* total packets processed this int */
- u16 work_limit; /* total work allowed per interrupt */
- u8 count; /* total number of rings in vector */
- u8 itr; /* current ITR setting for ring */
-};
-
-struct igc_ring {
- struct igc_q_vector *q_vector; /* backlink to q_vector */
- struct net_device *netdev; /* back pointer to net_device */
- struct device *dev; /* device for dma mapping */
- union { /* array of buffer info structs */
- struct igc_tx_buffer *tx_buffer_info;
- struct igc_rx_buffer *rx_buffer_info;
- };
- void *desc; /* descriptor ring memory */
- unsigned long flags; /* ring specific flags */
- void __iomem *tail; /* pointer to ring tail register */
- dma_addr_t dma; /* phys address of the ring */
- unsigned int size; /* length of desc. ring in bytes */
-
- u16 count; /* number of desc. in the ring */
- u8 queue_index; /* logical index of the ring*/
- u8 reg_idx; /* physical index of the ring */
- bool launchtime_enable; /* true if LaunchTime is enabled */
-
- /* everything past this point are written often */
- u16 next_to_clean;
- u16 next_to_use;
- u16 next_to_alloc;
-
- union {
- /* TX */
- struct {
- struct igc_tx_queue_stats tx_stats;
- struct u64_stats_sync tx_syncp;
- struct u64_stats_sync tx_syncp2;
- };
- /* RX */
- struct {
- struct igc_rx_queue_stats rx_stats;
- struct igc_rx_packet_stats pkt_stats;
- struct u64_stats_sync rx_syncp;
- struct sk_buff *skb;
- };
- };
-} ____cacheline_internodealigned_in_smp;
-
struct igc_q_vector {
struct igc_adapter *adapter; /* backlink */
void __iomem *itr_register;
@@ -329,8 +435,6 @@ struct igc_q_vector {
struct igc_ring ring[] ____cacheline_internodealigned_in_smp;
};
-#define MAX_ETYPE_FILTER (4 - 1)
-
enum igc_filter_match_flags {
IGC_FILTER_FLAG_ETHER_TYPE = 0x1,
IGC_FILTER_FLAG_VLAN_TCI = 0x2,
@@ -338,143 +442,25 @@ enum igc_filter_match_flags {
IGC_FILTER_FLAG_DST_MAC_ADDR = 0x8,
};
-/* RX network flow classification data structure */
-struct igc_nfc_input {
- /* Byte layout in order, all values with MSB first:
- * match_flags - 1 byte
- * etype - 2 bytes
- * vlan_tci - 2 bytes
- */
+struct igc_nfc_filter {
u8 match_flags;
- __be16 etype;
- __be16 vlan_tci;
+ u16 etype;
+ u16 vlan_tci;
u8 src_addr[ETH_ALEN];
u8 dst_addr[ETH_ALEN];
};
-struct igc_nfc_filter {
- struct hlist_node nfc_node;
- struct igc_nfc_input filter;
- unsigned long cookie;
- u16 etype_reg_index;
- u16 sw_idx;
+struct igc_nfc_rule {
+ struct list_head list;
+ struct igc_nfc_filter filter;
+ u32 location;
u16 action;
};
-struct igc_mac_addr {
- u8 addr[ETH_ALEN];
- u8 queue;
- u8 state; /* bitmask */
-};
-
-#define IGC_MAC_STATE_DEFAULT 0x1
-#define IGC_MAC_STATE_IN_USE 0x2
-#define IGC_MAC_STATE_SRC_ADDR 0x4
-#define IGC_MAC_STATE_QUEUE_STEERING 0x8
-
-#define IGC_MAX_RXNFC_FILTERS 16
-
-/* Board specific private data structure */
-struct igc_adapter {
- struct net_device *netdev;
-
- unsigned long state;
- unsigned int flags;
- unsigned int num_q_vectors;
-
- struct msix_entry *msix_entries;
-
- /* TX */
- u16 tx_work_limit;
- u32 tx_timeout_count;
- int num_tx_queues;
- struct igc_ring *tx_ring[IGC_MAX_TX_QUEUES];
-
- /* RX */
- int num_rx_queues;
- struct igc_ring *rx_ring[IGC_MAX_RX_QUEUES];
-
- struct timer_list watchdog_timer;
- struct timer_list dma_err_timer;
- struct timer_list phy_info_timer;
-
- u32 wol;
- u32 en_mng_pt;
- u16 link_speed;
- u16 link_duplex;
-
- u8 port_num;
-
- u8 __iomem *io_addr;
- /* Interrupt Throttle Rate */
- u32 rx_itr_setting;
- u32 tx_itr_setting;
-
- struct work_struct reset_task;
- struct work_struct watchdog_task;
- struct work_struct dma_err_task;
- bool fc_autoneg;
-
- u8 tx_timeout_factor;
-
- int msg_enable;
- u32 max_frame_size;
- u32 min_frame_size;
-
- /* OS defined structs */
- struct pci_dev *pdev;
- /* lock for statistics */
- spinlock_t stats64_lock;
- struct rtnl_link_stats64 stats64;
-
- /* structs defined in igc_hw.h */
- struct igc_hw hw;
- struct igc_hw_stats stats;
-
- struct igc_q_vector *q_vector[MAX_Q_VECTORS];
- u32 eims_enable_mask;
- u32 eims_other;
-
- u16 tx_ring_count;
- u16 rx_ring_count;
-
- u32 tx_hwtstamp_timeouts;
- u32 tx_hwtstamp_skipped;
- u32 rx_hwtstamp_cleared;
-
- u32 rss_queues;
- u32 rss_indir_tbl_init;
-
- /* RX network flow classification support */
- struct hlist_head nfc_filter_list;
- struct hlist_head cls_flower_list;
- unsigned int nfc_filter_count;
-
- /* lock for RX network flow classification filter */
- spinlock_t nfc_lock;
- bool etype_bitmap[MAX_ETYPE_FILTER];
-
- struct igc_mac_addr *mac_table;
-
- u8 rss_indir_tbl[IGC_RETA_SIZE];
-
- unsigned long link_check_timeout;
- struct igc_info ei;
-
- struct ptp_clock *ptp_clock;
- struct ptp_clock_info ptp_caps;
- struct work_struct ptp_tx_work;
- struct sk_buff *ptp_tx_skb;
- struct hwtstamp_config tstamp_config;
- unsigned long ptp_tx_start;
- unsigned long last_rx_ptp_check;
- unsigned long last_rx_timestamp;
- unsigned int ptp_flags;
- /* System time value lock */
- spinlock_t tmreg_lock;
- struct cyclecounter cc;
- struct timecounter tc;
-};
+/* IGC supports a total of 32 NFC rules: 16 MAC address based,, 8 VLAN priority
+ * based, and 8 ethertype based.
+ */
+#define IGC_MAX_RXNFC_RULES 32
/* igc_desc_unused - calculate if we have unused descriptors */
static inline u16 igc_desc_unused(const struct igc_ring *ring)
@@ -550,12 +536,11 @@ static inline s32 igc_read_phy_reg(struct igc_hw *hw, u32 offset, u16 *data)
return 0;
}
-/* forward declaration */
void igc_reinit_locked(struct igc_adapter *);
-int igc_add_filter(struct igc_adapter *adapter,
- struct igc_nfc_filter *input);
-int igc_erase_filter(struct igc_adapter *adapter,
- struct igc_nfc_filter *input);
+struct igc_nfc_rule *igc_get_nfc_rule(struct igc_adapter *adapter,
+ u32 location);
+int igc_add_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule);
+void igc_del_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule);
void igc_ptp_init(struct igc_adapter *adapter);
void igc_ptp_reset(struct igc_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/igc/igc_base.c b/drivers/net/ethernet/intel/igc/igc_base.c
index 5a506440560a..cc5a6cf531c7 100644
--- a/drivers/net/ethernet/intel/igc/igc_base.c
+++ b/drivers/net/ethernet/intel/igc/igc_base.c
@@ -26,7 +26,7 @@ static s32 igc_reset_hw_base(struct igc_hw *hw)
*/
ret_val = igc_disable_pcie_master(hw);
if (ret_val)
- hw_dbg("PCI-E Master disable polling has failed.\n");
+ hw_dbg("PCI-E Master disable polling has failed\n");
hw_dbg("Masking off all interrupts\n");
wr32(IGC_IMC, 0xffffffff);
@@ -177,7 +177,7 @@ static s32 igc_init_phy_params_base(struct igc_hw *hw)
*/
ret_val = hw->phy.ops.reset(hw);
if (ret_val) {
- hw_dbg("Error resetting the PHY.\n");
+ hw_dbg("Error resetting the PHY\n");
goto out;
}
@@ -212,6 +212,9 @@ static s32 igc_get_invariants_base(struct igc_hw *hw)
case IGC_DEV_ID_I225_I:
case IGC_DEV_ID_I220_V:
case IGC_DEV_ID_I225_K:
+ case IGC_DEV_ID_I225_K2:
+ case IGC_DEV_ID_I225_LMVP:
+ case IGC_DEV_ID_I225_IT:
case IGC_DEV_ID_I225_BLANK_NVM:
mac->type = igc_i225;
break;
@@ -364,7 +367,7 @@ void igc_rx_fifo_flush_base(struct igc_hw *hw)
}
if (ms_wait == 10)
- pr_debug("Queue disable timed out after 10ms\n");
+ hw_dbg("Queue disable timed out after 10ms\n");
/* Clear RLPML, RCTL.SBP, RFCTL.LEF, and set RCTL.LPE so that all
* incoming packets are rejected. Set enable and wait 2ms so that
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h
index 4ddccccf42cc..186deb1d9375 100644
--- a/drivers/net/ethernet/intel/igc/igc_defines.h
+++ b/drivers/net/ethernet/intel/igc/igc_defines.h
@@ -44,13 +44,9 @@
/* Wake Up Packet Memory stores the first 128 bytes of the wake up packet */
#define IGC_WUPM_BYTES 128
-/* Physical Func Reset Done Indication */
-#define IGC_CTRL_EXT_LINK_MODE_MASK 0x00C00000
-
/* Loop limit on how long we wait for auto-negotiation to complete */
#define COPPER_LINK_UP_LIMIT 10
#define PHY_AUTO_NEG_LIMIT 45
-#define PHY_FORCE_LIMIT 20
/* Number of 100 microseconds we wait for PCI Express master disable */
#define MASTER_DISABLE_TIMEOUT 800
@@ -66,8 +62,14 @@
* (RAR[15]) for our directed address used by controllers with
* manageability enabled, allowing us room for 15 multicast addresses.
*/
+#define IGC_RAH_RAH_MASK 0x0000FFFF
+#define IGC_RAH_ASEL_MASK 0x00030000
+#define IGC_RAH_ASEL_SRC_ADDR BIT(16)
+#define IGC_RAH_QSEL_MASK 0x000C0000
+#define IGC_RAH_QSEL_SHIFT 18
+#define IGC_RAH_QSEL_ENABLE BIT(28)
#define IGC_RAH_AV 0x80000000 /* Receive descriptor valid */
-#define IGC_RAH_POOL_1 0x00040000
+
#define IGC_RAL_MAC_ADDR_LEN 4
#define IGC_RAH_MAC_ADDR_LEN 2
@@ -94,8 +96,6 @@
#define IGC_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
#define IGC_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
-#define IGC_CONNSW_AUTOSENSE_EN 0x1
-
/* As per the EAS the maximum supported size is 9.5KB (9728 bytes) */
#define MAX_JUMBO_FRAME_SIZE 0x2600
@@ -166,11 +166,6 @@
/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
#define NVM_SUM 0xBABA
-
-#define NVM_PBA_OFFSET_0 8
-#define NVM_PBA_OFFSET_1 9
-#define NVM_RESERVED_WORD 0xFFFF
-#define NVM_PBA_PTR_GUARD 0xFAFA
#define NVM_WORD_SIZE_BASE_SHIFT 6
/* Collision related configuration parameters */
@@ -252,7 +247,6 @@
/* Interrupt Cause Set */
#define IGC_ICS_LSC IGC_ICR_LSC /* Link Status Change */
#define IGC_ICS_RXDMT0 IGC_ICR_RXDMT0 /* rx desc min. threshold */
-#define IGC_ICS_DRSTA IGC_ICR_DRSTA /* Device Reset Aserted */
#define IGC_ICR_DOUTSYNC 0x10000000 /* NIC DMA out of sync */
#define IGC_EITR_CNT_IGNR 0x80000000 /* Don't reset counters on write */
@@ -271,21 +265,13 @@
#define IGC_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
#define IGC_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
#define IGC_TXD_CMD_EOP 0x01000000 /* End of Packet */
-#define IGC_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
#define IGC_TXD_CMD_IC 0x04000000 /* Insert Checksum */
-#define IGC_TXD_CMD_RS 0x08000000 /* Report Status */
-#define IGC_TXD_CMD_RPS 0x10000000 /* Report Packet Sent */
#define IGC_TXD_CMD_DEXT 0x20000000 /* Desc extension (0 = legacy) */
#define IGC_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
-#define IGC_TXD_CMD_IDE 0x80000000 /* Enable Tidv register */
#define IGC_TXD_STAT_DD 0x00000001 /* Descriptor Done */
-#define IGC_TXD_STAT_EC 0x00000002 /* Excess Collisions */
-#define IGC_TXD_STAT_LC 0x00000004 /* Late Collisions */
-#define IGC_TXD_STAT_TU 0x00000008 /* Transmit underrun */
#define IGC_TXD_CMD_TCP 0x01000000 /* TCP packet */
#define IGC_TXD_CMD_IP 0x02000000 /* IP packet */
#define IGC_TXD_CMD_TSE 0x04000000 /* TCP Seg enable */
-#define IGC_TXD_STAT_TC 0x00000004 /* Tx Underrun */
#define IGC_TXD_EXTCMD_TSTAMP 0x00000010 /* IEEE1588 Timestamp packet */
/* IPSec Encrypt Enable */
@@ -377,6 +363,11 @@
#define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */
#define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */
+#define IGC_TXPBSIZE_TSN 0x04145145 /* 5k bytes buffer for each queue */
+
+#define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */
+#define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */
+
/* Time Sync Interrupt Causes */
#define IGC_TSICR_SYS_WRAP BIT(0) /* SYSTIM Wrap around. */
#define IGC_TSICR_TXTS BIT(1) /* Transmit Timestamp. */
@@ -387,9 +378,6 @@
#define IGC_TSICR_INTERRUPTS IGC_TSICR_TXTS
-/* PTP Queue Filter */
-#define IGC_ETQF_1588 BIT(30)
-
#define IGC_FTQF_VF_BP 0x00008000
#define IGC_FTQF_1588_TIME_STAMP 0x08000000
#define IGC_FTQF_MASK 0xF0000000
@@ -431,6 +419,14 @@
#define IGC_TSYNCTXCTL_START_SYNC 0x80000000 /* initiate sync */
#define IGC_TSYNCTXCTL_TXSYNSIG 0x00000020 /* Sample TX tstamp in PHY sop */
+/* Transmit Scheduling */
+#define IGC_TQAVCTRL_TRANSMIT_MODE_TSN 0x00000001
+#define IGC_TQAVCTRL_ENHANCED_QAV 0x00000008
+
+#define IGC_TXQCTL_QUEUE_MODE_LAUNCHT 0x00000001
+#define IGC_TXQCTL_STRICT_CYCLE 0x00000002
+#define IGC_TXQCTL_STRICT_END 0x00000004
+
/* Receive Checksum Control */
#define IGC_RXCSUM_CRCOFL 0x00000800 /* CRC32 offload enable */
#define IGC_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
@@ -497,16 +493,15 @@
#define IGC_MDIC_READY 0x10000000
#define IGC_MDIC_INT_EN 0x20000000
#define IGC_MDIC_ERROR 0x40000000
-#define IGC_MDIC_DEST 0x80000000
#define IGC_N0_QUEUE -1
#define IGC_MAX_MAC_HDR_LEN 127
#define IGC_MAX_NETWORK_HDR_LEN 511
-#define IGC_VLAPQF_QUEUE_SEL(_n, q_idx) ((q_idx) << ((_n) * 4))
-#define IGC_VLAPQF_P_VALID(_n) (0x1 << (3 + (_n) * 4))
-#define IGC_VLAPQF_QUEUE_MASK 0x03
+#define IGC_VLANPQF_QSEL(_n, q_idx) ((q_idx) << ((_n) * 4))
+#define IGC_VLANPQF_VALID(_n) (0x1 << (3 + (_n) * 4))
+#define IGC_VLANPQF_QUEUE_MASK 0x03
#define IGC_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
#define IGC_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type:1=IPv4 */
diff --git a/drivers/net/ethernet/intel/igc/igc_diag.c b/drivers/net/ethernet/intel/igc/igc_diag.c
new file mode 100644
index 000000000000..cc621970c0cd
--- /dev/null
+++ b/drivers/net/ethernet/intel/igc/igc_diag.c
@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Intel Corporation */
+
+#include "igc.h"
+#include "igc_diag.h"
+
+static struct igc_reg_test reg_test[] = {
+ { IGC_FCAL, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { IGC_FCAH, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { IGC_FCT, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+ { IGC_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { IGC_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
+ { IGC_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ { IGC_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { IGC_FCRTH, 1, PATTERN_TEST, 0x0003FFF0, 0x0003FFF0 },
+ { IGC_FCTTV, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { IGC_TIPG, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+ { IGC_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+ { IGC_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
+ { IGC_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+ { IGC_TDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+ { IGC_RCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { IGC_RCTL, 1, SET_READ_TEST, 0x04CFB2FE, 0x003FFFFB },
+ { IGC_RCTL, 1, SET_READ_TEST, 0x04CFB2FE, 0xFFFFFFFF },
+ { IGC_TCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+ { IGC_RA, 16, TABLE64_TEST_LO,
+ 0xFFFFFFFF, 0xFFFFFFFF },
+ { IGC_RA, 16, TABLE64_TEST_HI,
+ 0x900FFFFF, 0xFFFFFFFF },
+ { IGC_MTA, 128, TABLE32_TEST,
+ 0xFFFFFFFF, 0xFFFFFFFF },
+ { 0, 0, 0, 0}
+};
+
+static bool reg_pattern_test(struct igc_adapter *adapter, u64 *data, int reg,
+ u32 mask, u32 write)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 pat, val, before;
+ static const u32 test_pattern[] = {
+ 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
+ };
+
+ for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
+ before = rd32(reg);
+ wr32(reg, test_pattern[pat] & write);
+ val = rd32(reg);
+ if (val != (test_pattern[pat] & write & mask)) {
+ netdev_err(adapter->netdev,
+ "pattern test reg %04X failed: got 0x%08X expected 0x%08X",
+ reg, val, test_pattern[pat] & write & mask);
+ *data = reg;
+ wr32(reg, before);
+ return false;
+ }
+ wr32(reg, before);
+ }
+ return true;
+}
+
+static bool reg_set_and_check(struct igc_adapter *adapter, u64 *data, int reg,
+ u32 mask, u32 write)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 val, before;
+
+ before = rd32(reg);
+ wr32(reg, write & mask);
+ val = rd32(reg);
+ if ((write & mask) != (val & mask)) {
+ netdev_err(adapter->netdev,
+ "set/check reg %04X test failed: got 0x%08X expected 0x%08X",
+ reg, (val & mask), (write & mask));
+ *data = reg;
+ wr32(reg, before);
+ return false;
+ }
+ wr32(reg, before);
+ return true;
+}
+
+bool igc_reg_test(struct igc_adapter *adapter, u64 *data)
+{
+ struct igc_reg_test *test = reg_test;
+ struct igc_hw *hw = &adapter->hw;
+ u32 value, before, after;
+ u32 i, toggle, b = false;
+
+ /* Because the status register is such a special case,
+ * we handle it separately from the rest of the register
+ * tests. Some bits are read-only, some toggle, and some
+ * are writeable.
+ */
+ toggle = 0x6800D3;
+ before = rd32(IGC_STATUS);
+ value = before & toggle;
+ wr32(IGC_STATUS, toggle);
+ after = rd32(IGC_STATUS) & toggle;
+ if (value != after) {
+ netdev_err(adapter->netdev,
+ "failed STATUS register test got: 0x%08X expected: 0x%08X",
+ after, value);
+ *data = 1;
+ return false;
+ }
+ /* restore previous status */
+ wr32(IGC_STATUS, before);
+
+ /* Perform the remainder of the register test, looping through
+ * the test table until we either fail or reach the null entry.
+ */
+ while (test->reg) {
+ for (i = 0; i < test->array_len; i++) {
+ switch (test->test_type) {
+ case PATTERN_TEST:
+ b = reg_pattern_test(adapter, data,
+ test->reg + (i * 0x40),
+ test->mask,
+ test->write);
+ break;
+ case SET_READ_TEST:
+ b = reg_set_and_check(adapter, data,
+ test->reg + (i * 0x40),
+ test->mask,
+ test->write);
+ break;
+ case TABLE64_TEST_LO:
+ b = reg_pattern_test(adapter, data,
+ test->reg + (i * 8),
+ test->mask,
+ test->write);
+ break;
+ case TABLE64_TEST_HI:
+ b = reg_pattern_test(adapter, data,
+ test->reg + 4 + (i * 8),
+ test->mask,
+ test->write);
+ break;
+ case TABLE32_TEST:
+ b = reg_pattern_test(adapter, data,
+ test->reg + (i * 4),
+ test->mask,
+ test->write);
+ break;
+ }
+ if (!b)
+ return false;
+ }
+ test++;
+ }
+ *data = 0;
+ return true;
+}
+
+bool igc_eeprom_test(struct igc_adapter *adapter, u64 *data)
+{
+ struct igc_hw *hw = &adapter->hw;
+
+ *data = 0;
+
+ if (hw->nvm.ops.validate(hw) != IGC_SUCCESS) {
+ *data = 1;
+ return false;
+ }
+
+ return true;
+}
+
+bool igc_link_test(struct igc_adapter *adapter, u64 *data)
+{
+ bool link_up;
+
+ *data = 0;
+
+ /* add delay to give enough time for autonegotioation to finish */
+ if (adapter->hw.mac.autoneg)
+ ssleep(5);
+
+ link_up = igc_has_link(adapter);
+ if (!link_up) {
+ *data = 1;
+ return false;
+ }
+
+ return true;
+}
diff --git a/drivers/net/ethernet/intel/igc/igc_diag.h b/drivers/net/ethernet/intel/igc/igc_diag.h
new file mode 100644
index 000000000000..600658e33bec
--- /dev/null
+++ b/drivers/net/ethernet/intel/igc/igc_diag.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Intel Corporation */
+
+bool igc_reg_test(struct igc_adapter *adapter, u64 *data);
+bool igc_eeprom_test(struct igc_adapter *adapter, u64 *data);
+bool igc_link_test(struct igc_adapter *adapter, u64 *data);
+
+struct igc_reg_test {
+ u16 reg;
+ u8 array_len;
+ u8 test_type;
+ u32 mask;
+ u32 write;
+};
+
+/* In the hardware, registers are laid out either singly, in arrays
+ * spaced 0x40 bytes apart, or in contiguous tables. We assume
+ * most tests take place on arrays or single registers (handled
+ * as a single-element array) and special-case the tables.
+ * Table tests are always pattern tests.
+ *
+ * We also make provision for some required setup steps by specifying
+ * registers to be written without any read-back testing.
+ */
+
+#define PATTERN_TEST 1
+#define SET_READ_TEST 2
+#define TABLE32_TEST 3
+#define TABLE64_TEST_LO 4
+#define TABLE64_TEST_HI 5
diff --git a/drivers/net/ethernet/intel/igc/igc_dump.c b/drivers/net/ethernet/intel/igc/igc_dump.c
index 657ab50ae296..4b9ec7d0b727 100644
--- a/drivers/net/ethernet/intel/igc/igc_dump.c
+++ b/drivers/net/ethernet/intel/igc/igc_dump.c
@@ -35,10 +35,6 @@ static const struct igc_reg_info igc_reg_info_tbl[] = {
{IGC_TDH(0), "TDH"},
{IGC_TDT(0), "TDT"},
{IGC_TXDCTL(0), "TXDCTL"},
- {IGC_TDFH, "TDFH"},
- {IGC_TDFT, "TDFT"},
- {IGC_TDFHS, "TDFHS"},
- {IGC_TDFPC, "TDFPC"},
/* List Terminator */
{}
@@ -47,6 +43,7 @@ static const struct igc_reg_info igc_reg_info_tbl[] = {
/* igc_regdump - register printout routine */
static void igc_regdump(struct igc_hw *hw, struct igc_reg_info *reginfo)
{
+ struct net_device *dev = igc_get_hw_dev(hw);
int n = 0;
char rname[16];
u32 regs[8];
@@ -101,13 +98,14 @@ static void igc_regdump(struct igc_hw *hw, struct igc_reg_info *reginfo)
regs[n] = rd32(IGC_TXDCTL(n));
break;
default:
- pr_info("%-15s %08x\n", reginfo->name, rd32(reginfo->ofs));
+ netdev_info(dev, "%-15s %08x\n", reginfo->name,
+ rd32(reginfo->ofs));
return;
}
snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]");
- pr_info("%-15s %08x %08x %08x %08x\n", rname, regs[0], regs[1],
- regs[2], regs[3]);
+ netdev_info(dev, "%-15s %08x %08x %08x %08x\n", rname, regs[0], regs[1],
+ regs[2], regs[3]);
}
/* igc_rings_dump - Tx-rings and Rx-rings */
@@ -125,39 +123,34 @@ void igc_rings_dump(struct igc_adapter *adapter)
if (!netif_msg_hw(adapter))
return;
- /* Print netdevice Info */
- if (netdev) {
- dev_info(&adapter->pdev->dev, "Net device Info\n");
- pr_info("Device Name state trans_start\n");
- pr_info("%-15s %016lX %016lX\n", netdev->name,
- netdev->state, dev_trans_start(netdev));
- }
+ netdev_info(netdev, "Device info: state %016lX trans_start %016lX\n",
+ netdev->state, dev_trans_start(netdev));
/* Print TX Ring Summary */
- if (!netdev || !netif_running(netdev))
+ if (!netif_running(netdev))
goto exit;
- dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
- pr_info("Queue [NTU] [NTC] [bi(ntc)->dma ] leng ntw timestamp\n");
+ netdev_info(netdev, "TX Rings Summary\n");
+ netdev_info(netdev, "Queue [NTU] [NTC] [bi(ntc)->dma ] leng ntw timestamp\n");
for (n = 0; n < adapter->num_tx_queues; n++) {
struct igc_tx_buffer *buffer_info;
tx_ring = adapter->tx_ring[n];
buffer_info = &tx_ring->tx_buffer_info[tx_ring->next_to_clean];
- pr_info(" %5d %5X %5X %016llX %04X %p %016llX\n",
- n, tx_ring->next_to_use, tx_ring->next_to_clean,
- (u64)dma_unmap_addr(buffer_info, dma),
- dma_unmap_len(buffer_info, len),
- buffer_info->next_to_watch,
- (u64)buffer_info->time_stamp);
+ netdev_info(netdev, "%5d %5X %5X %016llX %04X %p %016llX\n",
+ n, tx_ring->next_to_use, tx_ring->next_to_clean,
+ (u64)dma_unmap_addr(buffer_info, dma),
+ dma_unmap_len(buffer_info, len),
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp);
}
/* Print TX Rings */
if (!netif_msg_tx_done(adapter))
goto rx_ring_summary;
- dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+ netdev_info(netdev, "TX Rings Dump\n");
/* Transmit Descriptor Formats
*
@@ -172,10 +165,11 @@ void igc_rings_dump(struct igc_adapter *adapter)
for (n = 0; n < adapter->num_tx_queues; n++) {
tx_ring = adapter->tx_ring[n];
- pr_info("------------------------------------\n");
- pr_info("TX QUEUE INDEX = %d\n", tx_ring->queue_index);
- pr_info("------------------------------------\n");
- pr_info("T [desc] [address 63:0 ] [PlPOCIStDDM Ln] [bi->dma ] leng ntw timestamp bi->skb\n");
+ netdev_info(netdev, "------------------------------------\n");
+ netdev_info(netdev, "TX QUEUE INDEX = %d\n",
+ tx_ring->queue_index);
+ netdev_info(netdev, "------------------------------------\n");
+ netdev_info(netdev, "T [desc] [address 63:0 ] [PlPOCIStDDM Ln] [bi->dma ] leng ntw timestamp bi->skb\n");
for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
const char *next_desc;
@@ -194,14 +188,14 @@ void igc_rings_dump(struct igc_adapter *adapter)
else
next_desc = "";
- pr_info("T [0x%03X] %016llX %016llX %016llX %04X %p %016llX %p%s\n",
- i, le64_to_cpu(u0->a),
- le64_to_cpu(u0->b),
- (u64)dma_unmap_addr(buffer_info, dma),
- dma_unmap_len(buffer_info, len),
- buffer_info->next_to_watch,
- (u64)buffer_info->time_stamp,
- buffer_info->skb, next_desc);
+ netdev_info(netdev, "T [0x%03X] %016llX %016llX %016llX %04X %p %016llX %p%s\n",
+ i, le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)dma_unmap_addr(buffer_info, dma),
+ dma_unmap_len(buffer_info, len),
+ buffer_info->next_to_watch,
+ (u64)buffer_info->time_stamp,
+ buffer_info->skb, next_desc);
if (netif_msg_pktdata(adapter) && buffer_info->skb)
print_hex_dump(KERN_INFO, "",
@@ -214,19 +208,19 @@ void igc_rings_dump(struct igc_adapter *adapter)
/* Print RX Rings Summary */
rx_ring_summary:
- dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
- pr_info("Queue [NTU] [NTC]\n");
+ netdev_info(netdev, "RX Rings Summary\n");
+ netdev_info(netdev, "Queue [NTU] [NTC]\n");
for (n = 0; n < adapter->num_rx_queues; n++) {
rx_ring = adapter->rx_ring[n];
- pr_info(" %5d %5X %5X\n",
- n, rx_ring->next_to_use, rx_ring->next_to_clean);
+ netdev_info(netdev, "%5d %5X %5X\n", n, rx_ring->next_to_use,
+ rx_ring->next_to_clean);
}
/* Print RX Rings */
if (!netif_msg_rx_status(adapter))
goto exit;
- dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+ netdev_info(netdev, "RX Rings Dump\n");
/* Advanced Receive Descriptor (Read) Format
* 63 1 0
@@ -251,11 +245,12 @@ rx_ring_summary:
for (n = 0; n < adapter->num_rx_queues; n++) {
rx_ring = adapter->rx_ring[n];
- pr_info("------------------------------------\n");
- pr_info("RX QUEUE INDEX = %d\n", rx_ring->queue_index);
- pr_info("------------------------------------\n");
- pr_info("R [desc] [ PktBuf A0] [ HeadBuf DD] [bi->dma ] [bi->skb] <-- Adv Rx Read format\n");
- pr_info("RWB[desc] [PcsmIpSHl PtRs] [vl er S cks ln] ---------------- [bi->skb] <-- Adv Rx Write-Back format\n");
+ netdev_info(netdev, "------------------------------------\n");
+ netdev_info(netdev, "RX QUEUE INDEX = %d\n",
+ rx_ring->queue_index);
+ netdev_info(netdev, "------------------------------------\n");
+ netdev_info(netdev, "R [desc] [ PktBuf A0] [ HeadBuf DD] [bi->dma ] [bi->skb] <-- Adv Rx Read format\n");
+ netdev_info(netdev, "RWB[desc] [PcsmIpSHl PtRs] [vl er S cks ln] ---------------- [bi->skb] <-- Adv Rx Write-Back format\n");
for (i = 0; i < rx_ring->count; i++) {
const char *next_desc;
@@ -275,18 +270,18 @@ rx_ring_summary:
if (staterr & IGC_RXD_STAT_DD) {
/* Descriptor Done */
- pr_info("%s[0x%03X] %016llX %016llX ---------------- %s\n",
- "RWB", i,
- le64_to_cpu(u0->a),
- le64_to_cpu(u0->b),
- next_desc);
+ netdev_info(netdev, "%s[0x%03X] %016llX %016llX ---------------- %s\n",
+ "RWB", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ next_desc);
} else {
- pr_info("%s[0x%03X] %016llX %016llX %016llX %s\n",
- "R ", i,
- le64_to_cpu(u0->a),
- le64_to_cpu(u0->b),
- (u64)buffer_info->dma,
- next_desc);
+ netdev_info(netdev, "%s[0x%03X] %016llX %016llX %016llX %s\n",
+ "R ", i,
+ le64_to_cpu(u0->a),
+ le64_to_cpu(u0->b),
+ (u64)buffer_info->dma,
+ next_desc);
if (netif_msg_pktdata(adapter) &&
buffer_info->dma && buffer_info->page) {
@@ -314,8 +309,8 @@ void igc_regs_dump(struct igc_adapter *adapter)
struct igc_reg_info *reginfo;
/* Print Registers */
- dev_info(&adapter->pdev->dev, "Register Dump\n");
- pr_info(" Register Name Value\n");
+ netdev_info(adapter->netdev, "Register Dump\n");
+ netdev_info(adapter->netdev, "Register Name Value\n");
for (reginfo = (struct igc_reg_info *)igc_reg_info_tbl;
reginfo->name; reginfo++) {
igc_regdump(hw, reginfo);
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index f530fc29b074..a938ec8db681 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -6,6 +6,7 @@
#include <linux/pm_runtime.h>
#include "igc.h"
+#include "igc_diag.h"
/* forward declaration */
struct igc_stats {
@@ -123,8 +124,8 @@ static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = {
#define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings)
-static void igc_get_drvinfo(struct net_device *netdev,
- struct ethtool_drvinfo *drvinfo)
+static void igc_ethtool_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -138,13 +139,13 @@ static void igc_get_drvinfo(struct net_device *netdev,
drvinfo->n_priv_flags = IGC_PRIV_FLAGS_STR_LEN;
}
-static int igc_get_regs_len(struct net_device *netdev)
+static int igc_ethtool_get_regs_len(struct net_device *netdev)
{
return IGC_REGS_LEN * sizeof(u32);
}
-static void igc_get_regs(struct net_device *netdev,
- struct ethtool_regs *regs, void *p)
+static void igc_ethtool_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -153,7 +154,7 @@ static void igc_get_regs(struct net_device *netdev,
memset(p, 0, IGC_REGS_LEN * sizeof(u32));
- regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
+ regs->version = (2u << 24) | (hw->revision_id << 16) | hw->device_id;
/* General Registers */
regs_buff[0] = rd32(IGC_CTRL);
@@ -306,9 +307,24 @@ static void igc_get_regs(struct net_device *netdev,
regs_buff[164 + i] = rd32(IGC_TDT(i));
for (i = 0; i < 4; i++)
regs_buff[168 + i] = rd32(IGC_TXDCTL(i));
+
+ /* XXX: Due to a bug few lines above, RAL and RAH registers are
+ * overwritten. To preserve the ABI, we write these registers again in
+ * regs_buff.
+ */
+ for (i = 0; i < 16; i++)
+ regs_buff[172 + i] = rd32(IGC_RAL(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[188 + i] = rd32(IGC_RAH(i));
+
+ regs_buff[204] = rd32(IGC_VLANPQF);
+
+ for (i = 0; i < 8; i++)
+ regs_buff[205 + i] = rd32(IGC_ETQF(i));
}
-static void igc_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+static void igc_ethtool_get_wol(struct net_device *netdev,
+ struct ethtool_wolinfo *wol)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -339,7 +355,8 @@ static void igc_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
wol->wolopts |= WAKE_PHY;
}
-static int igc_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+static int igc_ethtool_set_wol(struct net_device *netdev,
+ struct ethtool_wolinfo *wol)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -367,21 +384,21 @@ static int igc_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
return 0;
}
-static u32 igc_get_msglevel(struct net_device *netdev)
+static u32 igc_ethtool_get_msglevel(struct net_device *netdev)
{
struct igc_adapter *adapter = netdev_priv(netdev);
return adapter->msg_enable;
}
-static void igc_set_msglevel(struct net_device *netdev, u32 data)
+static void igc_ethtool_set_msglevel(struct net_device *netdev, u32 data)
{
struct igc_adapter *adapter = netdev_priv(netdev);
adapter->msg_enable = data;
}
-static int igc_nway_reset(struct net_device *netdev)
+static int igc_ethtool_nway_reset(struct net_device *netdev)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -390,7 +407,7 @@ static int igc_nway_reset(struct net_device *netdev)
return 0;
}
-static u32 igc_get_link(struct net_device *netdev)
+static u32 igc_ethtool_get_link(struct net_device *netdev)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_mac_info *mac = &adapter->hw.mac;
@@ -407,15 +424,15 @@ static u32 igc_get_link(struct net_device *netdev)
return igc_has_link(adapter);
}
-static int igc_get_eeprom_len(struct net_device *netdev)
+static int igc_ethtool_get_eeprom_len(struct net_device *netdev)
{
struct igc_adapter *adapter = netdev_priv(netdev);
return adapter->hw.nvm.word_size * 2;
}
-static int igc_get_eeprom(struct net_device *netdev,
- struct ethtool_eeprom *eeprom, u8 *bytes)
+static int igc_ethtool_get_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -461,8 +478,8 @@ static int igc_get_eeprom(struct net_device *netdev,
return ret_val;
}
-static int igc_set_eeprom(struct net_device *netdev,
- struct ethtool_eeprom *eeprom, u8 *bytes)
+static int igc_ethtool_set_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -529,8 +546,8 @@ static int igc_set_eeprom(struct net_device *netdev,
return ret_val;
}
-static void igc_get_ringparam(struct net_device *netdev,
- struct ethtool_ringparam *ring)
+static void igc_ethtool_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -540,8 +557,8 @@ static void igc_get_ringparam(struct net_device *netdev,
ring->tx_pending = adapter->tx_ring_count;
}
-static int igc_set_ringparam(struct net_device *netdev,
- struct ethtool_ringparam *ring)
+static int igc_ethtool_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_ring *temp_ring;
@@ -655,8 +672,8 @@ clear_reset:
return err;
}
-static void igc_get_pauseparam(struct net_device *netdev,
- struct ethtool_pauseparam *pause)
+static void igc_ethtool_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -674,8 +691,8 @@ static void igc_get_pauseparam(struct net_device *netdev,
}
}
-static int igc_set_pauseparam(struct net_device *netdev,
- struct ethtool_pauseparam *pause)
+static int igc_ethtool_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -714,7 +731,8 @@ static int igc_set_pauseparam(struct net_device *netdev,
return retval;
}
-static void igc_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+static void igc_ethtool_get_strings(struct net_device *netdev, u32 stringset,
+ u8 *data)
{
struct igc_adapter *adapter = netdev_priv(netdev);
u8 *p = data;
@@ -765,7 +783,7 @@ static void igc_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
}
}
-static int igc_get_sset_count(struct net_device *netdev, int sset)
+static int igc_ethtool_get_sset_count(struct net_device *netdev, int sset)
{
switch (sset) {
case ETH_SS_STATS:
@@ -779,7 +797,7 @@ static int igc_get_sset_count(struct net_device *netdev, int sset)
}
}
-static void igc_get_ethtool_stats(struct net_device *netdev,
+static void igc_ethtool_get_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -835,8 +853,8 @@ static void igc_get_ethtool_stats(struct net_device *netdev,
spin_unlock(&adapter->stats64_lock);
}
-static int igc_get_coalesce(struct net_device *netdev,
- struct ethtool_coalesce *ec)
+static int igc_ethtool_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
{
struct igc_adapter *adapter = netdev_priv(netdev);
@@ -855,8 +873,8 @@ static int igc_get_coalesce(struct net_device *netdev,
return 0;
}
-static int igc_set_coalesce(struct net_device *netdev,
- struct ethtool_coalesce *ec)
+static int igc_ethtool_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
{
struct igc_adapter *adapter = netdev_priv(netdev);
int i;
@@ -913,81 +931,83 @@ static int igc_set_coalesce(struct net_device *netdev,
}
#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
-static int igc_get_ethtool_nfc_entry(struct igc_adapter *adapter,
- struct ethtool_rxnfc *cmd)
+static int igc_ethtool_get_nfc_rule(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fsp = &cmd->fs;
- struct igc_nfc_filter *rule = NULL;
+ struct igc_nfc_rule *rule = NULL;
- /* report total rule count */
- cmd->data = IGC_MAX_RXNFC_FILTERS;
+ cmd->data = IGC_MAX_RXNFC_RULES;
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
- if (fsp->location <= rule->sw_idx)
- break;
+ mutex_lock(&adapter->nfc_rule_lock);
+
+ rule = igc_get_nfc_rule(adapter, fsp->location);
+ if (!rule)
+ goto out;
+
+ fsp->flow_type = ETHER_FLOW;
+ fsp->ring_cookie = rule->action;
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
+ fsp->h_u.ether_spec.h_proto = htons(rule->filter.etype);
+ fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
}
- if (!rule || fsp->location != rule->sw_idx)
- return -EINVAL;
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
+ fsp->flow_type |= FLOW_EXT;
+ fsp->h_ext.vlan_tci = htons(rule->filter.vlan_tci);
+ fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
+ }
- if (rule->filter.match_flags) {
- fsp->flow_type = ETHER_FLOW;
- fsp->ring_cookie = rule->action;
- if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
- fsp->h_u.ether_spec.h_proto = rule->filter.etype;
- fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
- }
- if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
- fsp->flow_type |= FLOW_EXT;
- fsp->h_ext.vlan_tci = rule->filter.vlan_tci;
- fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
- }
- if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
- ether_addr_copy(fsp->h_u.ether_spec.h_dest,
- rule->filter.dst_addr);
- /* As we only support matching by the full
- * mask, return the mask to userspace
- */
- eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
- }
- if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
- ether_addr_copy(fsp->h_u.ether_spec.h_source,
- rule->filter.src_addr);
- /* As we only support matching by the full
- * mask, return the mask to userspace
- */
- eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
- }
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
+ ether_addr_copy(fsp->h_u.ether_spec.h_dest,
+ rule->filter.dst_addr);
+ eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
+ }
- return 0;
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
+ ether_addr_copy(fsp->h_u.ether_spec.h_source,
+ rule->filter.src_addr);
+ eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
}
+
+ mutex_unlock(&adapter->nfc_rule_lock);
+ return 0;
+
+out:
+ mutex_unlock(&adapter->nfc_rule_lock);
return -EINVAL;
}
-static int igc_get_ethtool_nfc_all(struct igc_adapter *adapter,
- struct ethtool_rxnfc *cmd,
- u32 *rule_locs)
+static int igc_ethtool_get_nfc_rules(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
{
- struct igc_nfc_filter *rule;
+ struct igc_nfc_rule *rule;
int cnt = 0;
- /* report total rule count */
- cmd->data = IGC_MAX_RXNFC_FILTERS;
+ cmd->data = IGC_MAX_RXNFC_RULES;
+
+ mutex_lock(&adapter->nfc_rule_lock);
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
- if (cnt == cmd->rule_cnt)
+ list_for_each_entry(rule, &adapter->nfc_rule_list, list) {
+ if (cnt == cmd->rule_cnt) {
+ mutex_unlock(&adapter->nfc_rule_lock);
return -EMSGSIZE;
- rule_locs[cnt] = rule->sw_idx;
+ }
+ rule_locs[cnt] = rule->location;
cnt++;
}
+ mutex_unlock(&adapter->nfc_rule_lock);
+
cmd->rule_cnt = cnt;
return 0;
}
-static int igc_get_rss_hash_opts(struct igc_adapter *adapter,
- struct ethtool_rxnfc *cmd)
+static int igc_ethtool_get_rss_hash_opts(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *cmd)
{
cmd->data = 0;
@@ -1036,41 +1056,33 @@ static int igc_get_rss_hash_opts(struct igc_adapter *adapter,
return 0;
}
-static int igc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
- u32 *rule_locs)
+static int igc_ethtool_get_rxnfc(struct net_device *dev,
+ struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct igc_adapter *adapter = netdev_priv(dev);
- int ret = -EOPNOTSUPP;
switch (cmd->cmd) {
case ETHTOOL_GRXRINGS:
cmd->data = adapter->num_rx_queues;
- ret = 0;
- break;
+ return 0;
case ETHTOOL_GRXCLSRLCNT:
- cmd->rule_cnt = adapter->nfc_filter_count;
- ret = 0;
- break;
+ cmd->rule_cnt = adapter->nfc_rule_count;
+ return 0;
case ETHTOOL_GRXCLSRULE:
- ret = igc_get_ethtool_nfc_entry(adapter, cmd);
- break;
+ return igc_ethtool_get_nfc_rule(adapter, cmd);
case ETHTOOL_GRXCLSRLALL:
- ret = igc_get_ethtool_nfc_all(adapter, cmd, rule_locs);
- break;
+ return igc_ethtool_get_nfc_rules(adapter, cmd, rule_locs);
case ETHTOOL_GRXFH:
- ret = igc_get_rss_hash_opts(adapter, cmd);
- break;
+ return igc_ethtool_get_rss_hash_opts(adapter, cmd);
default:
- break;
+ return -EOPNOTSUPP;
}
-
- return ret;
}
#define UDP_RSS_FLAGS (IGC_FLAG_RSS_FIELD_IPV4_UDP | \
IGC_FLAG_RSS_FIELD_IPV6_UDP)
-static int igc_set_rss_hash_opt(struct igc_adapter *adapter,
- struct ethtool_rxnfc *nfc)
+static int igc_ethtool_set_rss_hash_opt(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *nfc)
{
u32 flags = adapter->flags;
@@ -1145,8 +1157,8 @@ static int igc_set_rss_hash_opt(struct igc_adapter *adapter,
if ((flags & UDP_RSS_FLAGS) &&
!(adapter->flags & UDP_RSS_FLAGS))
- dev_err(&adapter->pdev->dev,
- "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
+ netdev_err(adapter->netdev,
+ "Enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
adapter->flags = flags;
@@ -1171,344 +1183,184 @@ static int igc_set_rss_hash_opt(struct igc_adapter *adapter,
return 0;
}
-static int igc_rxnfc_write_etype_filter(struct igc_adapter *adapter,
- struct igc_nfc_filter *input)
+static void igc_ethtool_init_nfc_rule(struct igc_nfc_rule *rule,
+ const struct ethtool_rx_flow_spec *fsp)
{
- struct igc_hw *hw = &adapter->hw;
- u8 i;
- u32 etqf;
- u16 etype;
-
- /* find an empty etype filter register */
- for (i = 0; i < MAX_ETYPE_FILTER; ++i) {
- if (!adapter->etype_bitmap[i])
- break;
- }
- if (i == MAX_ETYPE_FILTER) {
- dev_err(&adapter->pdev->dev, "ethtool -N: etype filters are all used.\n");
- return -EINVAL;
- }
+ INIT_LIST_HEAD(&rule->list);
- adapter->etype_bitmap[i] = true;
+ rule->action = fsp->ring_cookie;
+ rule->location = fsp->location;
- etqf = rd32(IGC_ETQF(i));
- etype = ntohs(input->filter.etype & ETHER_TYPE_FULL_MASK);
-
- etqf |= IGC_ETQF_FILTER_ENABLE;
- etqf &= ~IGC_ETQF_ETYPE_MASK;
- etqf |= (etype & IGC_ETQF_ETYPE_MASK);
-
- etqf &= ~IGC_ETQF_QUEUE_MASK;
- etqf |= ((input->action << IGC_ETQF_QUEUE_SHIFT)
- & IGC_ETQF_QUEUE_MASK);
- etqf |= IGC_ETQF_QUEUE_ENABLE;
-
- wr32(IGC_ETQF(i), etqf);
-
- input->etype_reg_index = i;
-
- return 0;
-}
-
-static int igc_rxnfc_write_vlan_prio_filter(struct igc_adapter *adapter,
- struct igc_nfc_filter *input)
-{
- struct igc_hw *hw = &adapter->hw;
- u8 vlan_priority;
- u16 queue_index;
- u32 vlapqf;
-
- vlapqf = rd32(IGC_VLAPQF);
- vlan_priority = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK)
- >> VLAN_PRIO_SHIFT;
- queue_index = (vlapqf >> (vlan_priority * 4)) & IGC_VLAPQF_QUEUE_MASK;
-
- /* check whether this vlan prio is already set */
- if (vlapqf & IGC_VLAPQF_P_VALID(vlan_priority) &&
- queue_index != input->action) {
- dev_err(&adapter->pdev->dev, "ethtool rxnfc set vlan prio filter failed.\n");
- return -EEXIST;
- }
-
- vlapqf |= IGC_VLAPQF_P_VALID(vlan_priority);
- vlapqf |= IGC_VLAPQF_QUEUE_SEL(vlan_priority, input->action);
-
- wr32(IGC_VLAPQF, vlapqf);
-
- return 0;
-}
-
-int igc_add_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input)
-{
- struct igc_hw *hw = &adapter->hw;
- int err = -EINVAL;
-
- if (hw->mac.type == igc_i225 &&
- !(input->filter.match_flags & ~IGC_FILTER_FLAG_SRC_MAC_ADDR)) {
- dev_err(&adapter->pdev->dev,
- "i225 doesn't support flow classification rules specifying only source addresses.\n");
- return -EOPNOTSUPP;
+ if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
+ rule->filter.vlan_tci = ntohs(fsp->h_ext.vlan_tci);
+ rule->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI;
}
- if (input->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
- err = igc_rxnfc_write_etype_filter(adapter, input);
- if (err)
- return err;
+ if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
+ rule->filter.etype = ntohs(fsp->h_u.ether_spec.h_proto);
+ rule->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE;
}
- if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
- err = igc_add_mac_steering_filter(adapter,
- input->filter.dst_addr,
- input->action, 0);
- err = min_t(int, err, 0);
- if (err)
- return err;
+ /* Both source and destination address filters only support the full
+ * mask.
+ */
+ if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
+ rule->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR;
+ ether_addr_copy(rule->filter.src_addr,
+ fsp->h_u.ether_spec.h_source);
}
- if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
- err = igc_add_mac_steering_filter(adapter,
- input->filter.src_addr,
- input->action,
- IGC_MAC_STATE_SRC_ADDR);
- err = min_t(int, err, 0);
- if (err)
- return err;
+ if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
+ rule->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR;
+ ether_addr_copy(rule->filter.dst_addr,
+ fsp->h_u.ether_spec.h_dest);
}
-
- if (input->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI)
- err = igc_rxnfc_write_vlan_prio_filter(adapter, input);
-
- return err;
-}
-
-static void igc_clear_etype_filter_regs(struct igc_adapter *adapter,
- u16 reg_index)
-{
- struct igc_hw *hw = &adapter->hw;
- u32 etqf = rd32(IGC_ETQF(reg_index));
-
- etqf &= ~IGC_ETQF_QUEUE_ENABLE;
- etqf &= ~IGC_ETQF_QUEUE_MASK;
- etqf &= ~IGC_ETQF_FILTER_ENABLE;
-
- wr32(IGC_ETQF(reg_index), etqf);
-
- adapter->etype_bitmap[reg_index] = false;
-}
-
-static void igc_clear_vlan_prio_filter(struct igc_adapter *adapter,
- u16 vlan_tci)
-{
- struct igc_hw *hw = &adapter->hw;
- u8 vlan_priority;
- u32 vlapqf;
-
- vlan_priority = (vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
-
- vlapqf = rd32(IGC_VLAPQF);
- vlapqf &= ~IGC_VLAPQF_P_VALID(vlan_priority);
- vlapqf &= ~IGC_VLAPQF_QUEUE_SEL(vlan_priority,
- IGC_VLAPQF_QUEUE_MASK);
-
- wr32(IGC_VLAPQF, vlapqf);
}
-int igc_erase_filter(struct igc_adapter *adapter, struct igc_nfc_filter *input)
+/**
+ * igc_ethtool_check_nfc_rule() - Check if NFC rule is valid
+ * @adapter: Pointer to adapter
+ * @rule: Rule under evaluation
+ *
+ * The driver doesn't support rules with multiple matches so if more than
+ * one bit in filter flags is set, @rule is considered invalid.
+ *
+ * Also, if there is already another rule with the same filter in a different
+ * location, @rule is considered invalid.
+ *
+ * Context: Expects adapter->nfc_rule_lock to be held by caller.
+ *
+ * Return: 0 in case of success, negative errno code otherwise.
+ */
+static int igc_ethtool_check_nfc_rule(struct igc_adapter *adapter,
+ struct igc_nfc_rule *rule)
{
- if (input->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE)
- igc_clear_etype_filter_regs(adapter,
- input->etype_reg_index);
-
- if (input->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI)
- igc_clear_vlan_prio_filter(adapter,
- ntohs(input->filter.vlan_tci));
-
- if (input->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR)
- igc_del_mac_steering_filter(adapter, input->filter.src_addr,
- input->action,
- IGC_MAC_STATE_SRC_ADDR);
-
- if (input->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR)
- igc_del_mac_steering_filter(adapter, input->filter.dst_addr,
- input->action, 0);
-
- return 0;
-}
-
-static int igc_update_ethtool_nfc_entry(struct igc_adapter *adapter,
- struct igc_nfc_filter *input,
- u16 sw_idx)
-{
- struct igc_nfc_filter *rule, *parent;
- int err = -EINVAL;
-
- parent = NULL;
- rule = NULL;
+ struct net_device *dev = adapter->netdev;
+ u8 flags = rule->filter.match_flags;
+ struct igc_nfc_rule *tmp;
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
- /* hash found, or no matching entry */
- if (rule->sw_idx >= sw_idx)
- break;
- parent = rule;
+ if (!flags) {
+ netdev_dbg(dev, "Rule with no match\n");
+ return -EINVAL;
}
- /* if there is an old rule occupying our place remove it */
- if (rule && rule->sw_idx == sw_idx) {
- if (!input)
- err = igc_erase_filter(adapter, rule);
-
- hlist_del(&rule->nfc_node);
- kfree(rule);
- adapter->nfc_filter_count--;
+ if (flags & (flags - 1)) {
+ netdev_dbg(dev, "Rule with multiple matches not supported\n");
+ return -EOPNOTSUPP;
}
- /* If no input this was a delete, err should be 0 if a rule was
- * successfully found and removed from the list else -EINVAL
- */
- if (!input)
- return err;
-
- /* initialize node */
- INIT_HLIST_NODE(&input->nfc_node);
-
- /* add filter to the list */
- if (parent)
- hlist_add_behind(&input->nfc_node, &parent->nfc_node);
- else
- hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list);
-
- /* update counts */
- adapter->nfc_filter_count++;
+ list_for_each_entry(tmp, &adapter->nfc_rule_list, list) {
+ if (!memcmp(&rule->filter, &tmp->filter,
+ sizeof(rule->filter)) &&
+ tmp->location != rule->location) {
+ netdev_dbg(dev, "Rule already exists\n");
+ return -EEXIST;
+ }
+ }
return 0;
}
-static int igc_add_ethtool_nfc_entry(struct igc_adapter *adapter,
- struct ethtool_rxnfc *cmd)
+static int igc_ethtool_add_nfc_rule(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *cmd)
{
struct net_device *netdev = adapter->netdev;
struct ethtool_rx_flow_spec *fsp =
(struct ethtool_rx_flow_spec *)&cmd->fs;
- struct igc_nfc_filter *input, *rule;
- int err = 0;
+ struct igc_nfc_rule *rule, *old_rule;
+ int err;
- if (!(netdev->hw_features & NETIF_F_NTUPLE))
+ if (!(netdev->hw_features & NETIF_F_NTUPLE)) {
+ netdev_dbg(netdev, "N-tuple filters disabled\n");
return -EOPNOTSUPP;
+ }
- /* Don't allow programming if the action is a queue greater than
- * the number of online Rx queues.
- */
- if (fsp->ring_cookie == RX_CLS_FLOW_DISC ||
- fsp->ring_cookie >= adapter->num_rx_queues) {
- dev_err(&adapter->pdev->dev, "ethtool -N: The specified action is invalid\n");
- return -EINVAL;
+ if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW) {
+ netdev_dbg(netdev, "Only ethernet flow type is supported\n");
+ return -EOPNOTSUPP;
}
- /* Don't allow indexes to exist outside of available space */
- if (fsp->location >= IGC_MAX_RXNFC_FILTERS) {
- dev_err(&adapter->pdev->dev, "Location out of range\n");
- return -EINVAL;
+ if ((fsp->flow_type & FLOW_EXT) &&
+ fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
+ netdev_dbg(netdev, "VLAN mask not supported\n");
+ return -EOPNOTSUPP;
}
- if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW)
+ if (fsp->ring_cookie >= adapter->num_rx_queues) {
+ netdev_dbg(netdev, "Invalid action\n");
return -EINVAL;
-
- input = kzalloc(sizeof(*input), GFP_KERNEL);
- if (!input)
- return -ENOMEM;
-
- if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
- input->filter.etype = fsp->h_u.ether_spec.h_proto;
- input->filter.match_flags = IGC_FILTER_FLAG_ETHER_TYPE;
}
- /* Only support matching addresses by the full mask */
- if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
- input->filter.match_flags |= IGC_FILTER_FLAG_SRC_MAC_ADDR;
- ether_addr_copy(input->filter.src_addr,
- fsp->h_u.ether_spec.h_source);
+ if (fsp->location >= IGC_MAX_RXNFC_RULES) {
+ netdev_dbg(netdev, "Invalid location\n");
+ return -EINVAL;
}
- /* Only support matching addresses by the full mask */
- if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
- input->filter.match_flags |= IGC_FILTER_FLAG_DST_MAC_ADDR;
- ether_addr_copy(input->filter.dst_addr,
- fsp->h_u.ether_spec.h_dest);
- }
+ rule = kzalloc(sizeof(*rule), GFP_KERNEL);
+ if (!rule)
+ return -ENOMEM;
- if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
- if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
- err = -EINVAL;
- goto err_out;
- }
- input->filter.vlan_tci = fsp->h_ext.vlan_tci;
- input->filter.match_flags |= IGC_FILTER_FLAG_VLAN_TCI;
- }
+ igc_ethtool_init_nfc_rule(rule, fsp);
- input->action = fsp->ring_cookie;
- input->sw_idx = fsp->location;
+ mutex_lock(&adapter->nfc_rule_lock);
- spin_lock(&adapter->nfc_lock);
+ err = igc_ethtool_check_nfc_rule(adapter, rule);
+ if (err)
+ goto err;
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
- if (!memcmp(&input->filter, &rule->filter,
- sizeof(input->filter))) {
- err = -EEXIST;
- dev_err(&adapter->pdev->dev,
- "ethtool: this filter is already set\n");
- goto err_out_w_lock;
- }
- }
+ old_rule = igc_get_nfc_rule(adapter, fsp->location);
+ if (old_rule)
+ igc_del_nfc_rule(adapter, old_rule);
- err = igc_add_filter(adapter, input);
+ err = igc_add_nfc_rule(adapter, rule);
if (err)
- goto err_out_w_lock;
-
- igc_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
+ goto err;
- spin_unlock(&adapter->nfc_lock);
+ mutex_unlock(&adapter->nfc_rule_lock);
return 0;
-err_out_w_lock:
- spin_unlock(&adapter->nfc_lock);
-err_out:
- kfree(input);
+err:
+ mutex_unlock(&adapter->nfc_rule_lock);
+ kfree(rule);
return err;
}
-static int igc_del_ethtool_nfc_entry(struct igc_adapter *adapter,
- struct ethtool_rxnfc *cmd)
+static int igc_ethtool_del_nfc_rule(struct igc_adapter *adapter,
+ struct ethtool_rxnfc *cmd)
{
struct ethtool_rx_flow_spec *fsp =
(struct ethtool_rx_flow_spec *)&cmd->fs;
- int err;
+ struct igc_nfc_rule *rule;
- spin_lock(&adapter->nfc_lock);
- err = igc_update_ethtool_nfc_entry(adapter, NULL, fsp->location);
- spin_unlock(&adapter->nfc_lock);
+ mutex_lock(&adapter->nfc_rule_lock);
- return err;
+ rule = igc_get_nfc_rule(adapter, fsp->location);
+ if (!rule) {
+ mutex_unlock(&adapter->nfc_rule_lock);
+ return -EINVAL;
+ }
+
+ igc_del_nfc_rule(adapter, rule);
+
+ mutex_unlock(&adapter->nfc_rule_lock);
+ return 0;
}
-static int igc_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+static int igc_ethtool_set_rxnfc(struct net_device *dev,
+ struct ethtool_rxnfc *cmd)
{
struct igc_adapter *adapter = netdev_priv(dev);
- int ret = -EOPNOTSUPP;
switch (cmd->cmd) {
case ETHTOOL_SRXFH:
- ret = igc_set_rss_hash_opt(adapter, cmd);
- break;
+ return igc_ethtool_set_rss_hash_opt(adapter, cmd);
case ETHTOOL_SRXCLSRLINS:
- ret = igc_add_ethtool_nfc_entry(adapter, cmd);
- break;
+ return igc_ethtool_add_nfc_rule(adapter, cmd);
case ETHTOOL_SRXCLSRLDEL:
- ret = igc_del_ethtool_nfc_entry(adapter, cmd);
+ return igc_ethtool_del_nfc_rule(adapter, cmd);
default:
- break;
+ return -EOPNOTSUPP;
}
-
- return ret;
}
void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
@@ -1533,13 +1385,13 @@ void igc_write_rss_indir_tbl(struct igc_adapter *adapter)
}
}
-static u32 igc_get_rxfh_indir_size(struct net_device *netdev)
+static u32 igc_ethtool_get_rxfh_indir_size(struct net_device *netdev)
{
return IGC_RETA_SIZE;
}
-static int igc_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
- u8 *hfunc)
+static int igc_ethtool_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+ u8 *hfunc)
{
struct igc_adapter *adapter = netdev_priv(netdev);
int i;
@@ -1554,8 +1406,8 @@ static int igc_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
return 0;
}
-static int igc_set_rxfh(struct net_device *netdev, const u32 *indir,
- const u8 *key, const u8 hfunc)
+static int igc_ethtool_set_rxfh(struct net_device *netdev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
{
struct igc_adapter *adapter = netdev_priv(netdev);
u32 num_queues;
@@ -1583,18 +1435,13 @@ static int igc_set_rxfh(struct net_device *netdev, const u32 *indir,
return 0;
}
-static unsigned int igc_max_channels(struct igc_adapter *adapter)
-{
- return igc_get_max_rss_queues(adapter);
-}
-
-static void igc_get_channels(struct net_device *netdev,
- struct ethtool_channels *ch)
+static void igc_ethtool_get_channels(struct net_device *netdev,
+ struct ethtool_channels *ch)
{
struct igc_adapter *adapter = netdev_priv(netdev);
/* Report maximum channels */
- ch->max_combined = igc_max_channels(adapter);
+ ch->max_combined = igc_get_max_rss_queues(adapter);
/* Report info for other vector */
if (adapter->flags & IGC_FLAG_HAS_MSIX) {
@@ -1605,8 +1452,8 @@ static void igc_get_channels(struct net_device *netdev,
ch->combined_count = adapter->rss_queues;
}
-static int igc_set_channels(struct net_device *netdev,
- struct ethtool_channels *ch)
+static int igc_ethtool_set_channels(struct net_device *netdev,
+ struct ethtool_channels *ch)
{
struct igc_adapter *adapter = netdev_priv(netdev);
unsigned int count = ch->combined_count;
@@ -1621,7 +1468,7 @@ static int igc_set_channels(struct net_device *netdev,
return -EINVAL;
/* Verify the number of channels doesn't exceed hw limits */
- max_combined = igc_max_channels(adapter);
+ max_combined = igc_get_max_rss_queues(adapter);
if (count > max_combined)
return -EINVAL;
@@ -1638,8 +1485,8 @@ static int igc_set_channels(struct net_device *netdev,
return 0;
}
-static int igc_get_ts_info(struct net_device *dev,
- struct ethtool_ts_info *info)
+static int igc_ethtool_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *info)
{
struct igc_adapter *adapter = netdev_priv(dev);
@@ -1671,7 +1518,7 @@ static int igc_get_ts_info(struct net_device *dev,
}
}
-static u32 igc_get_priv_flags(struct net_device *netdev)
+static u32 igc_ethtool_get_priv_flags(struct net_device *netdev)
{
struct igc_adapter *adapter = netdev_priv(netdev);
u32 priv_flags = 0;
@@ -1682,7 +1529,7 @@ static u32 igc_get_priv_flags(struct net_device *netdev)
return priv_flags;
}
-static int igc_set_priv_flags(struct net_device *netdev, u32 priv_flags)
+static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags)
{
struct igc_adapter *adapter = netdev_priv(netdev);
unsigned int flags = adapter->flags;
@@ -1717,8 +1564,8 @@ static void igc_ethtool_complete(struct net_device *netdev)
pm_runtime_put(&adapter->pdev->dev);
}
-static int igc_get_link_ksettings(struct net_device *netdev,
- struct ethtool_link_ksettings *cmd)
+static int igc_ethtool_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *cmd)
{
struct igc_adapter *adapter = netdev_priv(netdev);
struct igc_hw *hw = &adapter->hw;
@@ -1824,10 +1671,12 @@ static int igc_get_link_ksettings(struct net_device *netdev,
return 0;
}
-static int igc_set_link_ksettings(struct net_device *netdev,
- const struct ethtool_link_ksettings *cmd)
+static int
+igc_ethtool_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *cmd)
{
struct igc_adapter *adapter = netdev_priv(netdev);
+ struct net_device *dev = adapter->netdev;
struct igc_hw *hw = &adapter->hw;
u32 advertising;
@@ -1835,8 +1684,7 @@ static int igc_set_link_ksettings(struct net_device *netdev,
* cannot be changed
*/
if (igc_check_reset_block(hw)) {
- dev_err(&adapter->pdev->dev,
- "Cannot change link characteristics when reset is active.\n");
+ netdev_err(dev, "Cannot change link characteristics when reset is active\n");
return -EINVAL;
}
@@ -1847,7 +1695,7 @@ static int igc_set_link_ksettings(struct net_device *netdev,
if (cmd->base.eth_tp_mdix_ctrl) {
if (cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO &&
cmd->base.autoneg != AUTONEG_ENABLE) {
- dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+ netdev_err(dev, "Forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
return -EINVAL;
}
}
@@ -1864,9 +1712,7 @@ static int igc_set_link_ksettings(struct net_device *netdev,
if (adapter->fc_autoneg)
hw->fc.requested_mode = igc_fc_default;
} else {
- /* calling this overrides forced MDI setting */
- dev_info(&adapter->pdev->dev,
- "Force mode currently not supported\n");
+ netdev_info(dev, "Force mode currently not supported\n");
}
/* MDI-X => 2; MDI => 1; Auto => 3 */
@@ -1893,46 +1739,105 @@ static int igc_set_link_ksettings(struct net_device *netdev,
return 0;
}
+static void igc_ethtool_diag_test(struct net_device *netdev,
+ struct ethtool_test *eth_test, u64 *data)
+{
+ struct igc_adapter *adapter = netdev_priv(netdev);
+ bool if_running = netif_running(netdev);
+
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ netdev_info(adapter->netdev, "Offline testing starting");
+ set_bit(__IGC_TESTING, &adapter->state);
+
+ /* Link test performed before hardware reset so autoneg doesn't
+ * interfere with test result
+ */
+ if (!igc_link_test(adapter, &data[TEST_LINK]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ if (if_running)
+ igc_close(netdev);
+ else
+ igc_reset(adapter);
+
+ netdev_info(adapter->netdev, "Register testing starting");
+ if (!igc_reg_test(adapter, &data[TEST_REG]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ igc_reset(adapter);
+
+ netdev_info(adapter->netdev, "EEPROM testing starting");
+ if (!igc_eeprom_test(adapter, &data[TEST_EEP]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ igc_reset(adapter);
+
+ /* loopback and interrupt tests
+ * will be implemented in the future
+ */
+ data[TEST_LOOP] = 0;
+ data[TEST_IRQ] = 0;
+
+ clear_bit(__IGC_TESTING, &adapter->state);
+ if (if_running)
+ igc_open(netdev);
+ } else {
+ netdev_info(adapter->netdev, "Online testing starting");
+
+ /* register, eeprom, intr and loopback tests not run online */
+ data[TEST_REG] = 0;
+ data[TEST_EEP] = 0;
+ data[TEST_IRQ] = 0;
+ data[TEST_LOOP] = 0;
+
+ if (!igc_link_test(adapter, &data[TEST_LINK]))
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ }
+
+ msleep_interruptible(4 * 1000);
+}
+
static const struct ethtool_ops igc_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
- .get_drvinfo = igc_get_drvinfo,
- .get_regs_len = igc_get_regs_len,
- .get_regs = igc_get_regs,
- .get_wol = igc_get_wol,
- .set_wol = igc_set_wol,
- .get_msglevel = igc_get_msglevel,
- .set_msglevel = igc_set_msglevel,
- .nway_reset = igc_nway_reset,
- .get_link = igc_get_link,
- .get_eeprom_len = igc_get_eeprom_len,
- .get_eeprom = igc_get_eeprom,
- .set_eeprom = igc_set_eeprom,
- .get_ringparam = igc_get_ringparam,
- .set_ringparam = igc_set_ringparam,
- .get_pauseparam = igc_get_pauseparam,
- .set_pauseparam = igc_set_pauseparam,
- .get_strings = igc_get_strings,
- .get_sset_count = igc_get_sset_count,
- .get_ethtool_stats = igc_get_ethtool_stats,
- .get_coalesce = igc_get_coalesce,
- .set_coalesce = igc_set_coalesce,
- .get_rxnfc = igc_get_rxnfc,
- .set_rxnfc = igc_set_rxnfc,
- .get_rxfh_indir_size = igc_get_rxfh_indir_size,
- .get_rxfh = igc_get_rxfh,
- .set_rxfh = igc_set_rxfh,
- .get_ts_info = igc_get_ts_info,
- .get_channels = igc_get_channels,
- .set_channels = igc_set_channels,
- .get_priv_flags = igc_get_priv_flags,
- .set_priv_flags = igc_set_priv_flags,
+ .get_drvinfo = igc_ethtool_get_drvinfo,
+ .get_regs_len = igc_ethtool_get_regs_len,
+ .get_regs = igc_ethtool_get_regs,
+ .get_wol = igc_ethtool_get_wol,
+ .set_wol = igc_ethtool_set_wol,
+ .get_msglevel = igc_ethtool_get_msglevel,
+ .set_msglevel = igc_ethtool_set_msglevel,
+ .nway_reset = igc_ethtool_nway_reset,
+ .get_link = igc_ethtool_get_link,
+ .get_eeprom_len = igc_ethtool_get_eeprom_len,
+ .get_eeprom = igc_ethtool_get_eeprom,
+ .set_eeprom = igc_ethtool_set_eeprom,
+ .get_ringparam = igc_ethtool_get_ringparam,
+ .set_ringparam = igc_ethtool_set_ringparam,
+ .get_pauseparam = igc_ethtool_get_pauseparam,
+ .set_pauseparam = igc_ethtool_set_pauseparam,
+ .get_strings = igc_ethtool_get_strings,
+ .get_sset_count = igc_ethtool_get_sset_count,
+ .get_ethtool_stats = igc_ethtool_get_stats,
+ .get_coalesce = igc_ethtool_get_coalesce,
+ .set_coalesce = igc_ethtool_set_coalesce,
+ .get_rxnfc = igc_ethtool_get_rxnfc,
+ .set_rxnfc = igc_ethtool_set_rxnfc,
+ .get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size,
+ .get_rxfh = igc_ethtool_get_rxfh,
+ .set_rxfh = igc_ethtool_set_rxfh,
+ .get_ts_info = igc_ethtool_get_ts_info,
+ .get_channels = igc_ethtool_get_channels,
+ .set_channels = igc_ethtool_set_channels,
+ .get_priv_flags = igc_ethtool_get_priv_flags,
+ .set_priv_flags = igc_ethtool_set_priv_flags,
.begin = igc_ethtool_begin,
.complete = igc_ethtool_complete,
- .get_link_ksettings = igc_get_link_ksettings,
- .set_link_ksettings = igc_set_link_ksettings,
+ .get_link_ksettings = igc_ethtool_get_link_ksettings,
+ .set_link_ksettings = igc_ethtool_set_link_ksettings,
+ .self_test = igc_ethtool_diag_test,
};
-void igc_set_ethtool_ops(struct net_device *netdev)
+void igc_ethtool_set_ops(struct net_device *netdev)
{
netdev->ethtool_ops = &igc_ethtool_ops;
}
diff --git a/drivers/net/ethernet/intel/igc/igc_hw.h b/drivers/net/ethernet/intel/igc/igc_hw.h
index 90ac0e0144d8..af34ae310327 100644
--- a/drivers/net/ethernet/intel/igc/igc_hw.h
+++ b/drivers/net/ethernet/intel/igc/igc_hw.h
@@ -21,6 +21,9 @@
#define IGC_DEV_ID_I225_I 0x15F8
#define IGC_DEV_ID_I220_V 0x15F7
#define IGC_DEV_ID_I225_K 0x3100
+#define IGC_DEV_ID_I225_K2 0x3101
+#define IGC_DEV_ID_I225_LMVP 0x5502
+#define IGC_DEV_ID_I225_IT 0x0D9F
#define IGC_DEV_ID_I225_BLANK_NVM 0x15FD
/* Function pointers for the MAC. */
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c
index 12aa6b5fcb5d..410aeb01de5c 100644
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -235,15 +235,14 @@ out:
void igc_clear_hw_cntrs_base(struct igc_hw *hw)
{
rd32(IGC_CRCERRS);
- rd32(IGC_SYMERRS);
rd32(IGC_MPC);
rd32(IGC_SCC);
rd32(IGC_ECOL);
rd32(IGC_MCC);
rd32(IGC_LATECOL);
rd32(IGC_COLC);
+ rd32(IGC_RERC);
rd32(IGC_DC);
- rd32(IGC_SEC);
rd32(IGC_RLEC);
rd32(IGC_XONRXC);
rd32(IGC_XONTXC);
@@ -288,7 +287,7 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw)
rd32(IGC_ALGNERRC);
rd32(IGC_RXERRC);
rd32(IGC_TNCRS);
- rd32(IGC_CEXTERR);
+ rd32(IGC_HTDPMC);
rd32(IGC_TSCTC);
rd32(IGC_TSCTFC);
@@ -307,12 +306,8 @@ void igc_clear_hw_cntrs_base(struct igc_hw *hw)
rd32(IGC_ICTXQMTC);
rd32(IGC_ICRXDMTC);
- rd32(IGC_CBTMPC);
- rd32(IGC_HTDPMC);
- rd32(IGC_CBRMPC);
rd32(IGC_RPTHC);
rd32(IGC_HGPTC);
- rd32(IGC_HTCBDPC);
rd32(IGC_HGORCL);
rd32(IGC_HGORCH);
rd32(IGC_HGOTCL);
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.h b/drivers/net/ethernet/intel/igc/igc_mac.h
index 832cccec87cd..b5963f86defb 100644
--- a/drivers/net/ethernet/intel/igc/igc_mac.h
+++ b/drivers/net/ethernet/intel/igc/igc_mac.h
@@ -8,10 +8,6 @@
#include "igc_phy.h"
#include "igc_defines.h"
-#ifndef IGC_REMOVED
-#define IGC_REMOVED(a) (0)
-#endif /* IGC_REMOVED */
-
/* forward declaration */
s32 igc_disable_pcie_master(struct igc_hw *hw);
s32 igc_check_for_copper_link(struct igc_hw *hw);
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 69fa1ce1f927..6919c50e449a 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -9,11 +9,13 @@
#include <linux/udp.h>
#include <linux/ip.h>
#include <linux/pm_runtime.h>
+#include <net/pkt_sched.h>
#include <net/ipv6.h>
#include "igc.h"
#include "igc_hw.h"
+#include "igc_tsn.h"
#define DRV_VERSION "0.0.1-k"
#define DRV_SUMMARY "Intel(R) 2.5G Ethernet Linux Driver"
@@ -45,6 +47,9 @@ static const struct pci_device_id igc_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_I), board_base },
{ PCI_VDEVICE(INTEL, IGC_DEV_ID_I220_V), board_base },
{ PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_K), board_base },
+ { PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_K2), board_base },
+ { PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_LMVP), board_base },
+ { PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_IT), board_base },
{ PCI_VDEVICE(INTEL, IGC_DEV_ID_I225_BLANK_NVM), board_base },
/* required last entry */
{0, }
@@ -71,7 +76,7 @@ static void igc_power_down_link(struct igc_adapter *adapter)
void igc_reset(struct igc_adapter *adapter)
{
- struct pci_dev *pdev = adapter->pdev;
+ struct net_device *dev = adapter->netdev;
struct igc_hw *hw = &adapter->hw;
struct igc_fc_info *fc = &hw->fc;
u32 pba, hwm;
@@ -98,7 +103,7 @@ void igc_reset(struct igc_adapter *adapter)
hw->mac.ops.reset_hw(hw);
if (hw->mac.ops.init_hw(hw))
- dev_err(&pdev->dev, "Hardware Error\n");
+ netdev_err(dev, "Error on hardware initialization\n");
if (!netif_running(adapter->netdev))
igc_power_down_link(adapter);
@@ -106,6 +111,9 @@ void igc_reset(struct igc_adapter *adapter)
/* Re-enable PTP, where applicable. */
igc_ptp_reset(adapter);
+ /* Re-enable TSN offloading, where applicable. */
+ igc_tsn_offload_apply(adapter);
+
igc_get_phy_info(hw);
}
@@ -280,6 +288,7 @@ static void igc_clean_all_tx_rings(struct igc_adapter *adapter)
*/
int igc_setup_tx_resources(struct igc_ring *tx_ring)
{
+ struct net_device *ndev = tx_ring->netdev;
struct device *dev = tx_ring->dev;
int size = 0;
@@ -305,8 +314,7 @@ int igc_setup_tx_resources(struct igc_ring *tx_ring)
err:
vfree(tx_ring->tx_buffer_info);
- dev_err(dev,
- "Unable to allocate memory for the transmit descriptor ring\n");
+ netdev_err(ndev, "Unable to allocate memory for Tx descriptor ring\n");
return -ENOMEM;
}
@@ -318,14 +326,13 @@ err:
*/
static int igc_setup_all_tx_resources(struct igc_adapter *adapter)
{
- struct pci_dev *pdev = adapter->pdev;
+ struct net_device *dev = adapter->netdev;
int i, err = 0;
for (i = 0; i < adapter->num_tx_queues; i++) {
err = igc_setup_tx_resources(adapter->tx_ring[i]);
if (err) {
- dev_err(&pdev->dev,
- "Allocation for Tx Queue %u failed\n", i);
+ netdev_err(dev, "Error on Tx queue %u setup\n", i);
for (i--; i >= 0; i--)
igc_free_tx_resources(adapter->tx_ring[i]);
break;
@@ -436,6 +443,7 @@ static void igc_free_all_rx_resources(struct igc_adapter *adapter)
*/
int igc_setup_rx_resources(struct igc_ring *rx_ring)
{
+ struct net_device *ndev = rx_ring->netdev;
struct device *dev = rx_ring->dev;
int size, desc_len;
@@ -465,8 +473,7 @@ int igc_setup_rx_resources(struct igc_ring *rx_ring)
err:
vfree(rx_ring->rx_buffer_info);
rx_ring->rx_buffer_info = NULL;
- dev_err(dev,
- "Unable to allocate memory for the receive descriptor ring\n");
+ netdev_err(ndev, "Unable to allocate memory for Rx descriptor ring\n");
return -ENOMEM;
}
@@ -479,14 +486,13 @@ err:
*/
static int igc_setup_all_rx_resources(struct igc_adapter *adapter)
{
- struct pci_dev *pdev = adapter->pdev;
+ struct net_device *dev = adapter->netdev;
int i, err = 0;
for (i = 0; i < adapter->num_rx_queues; i++) {
err = igc_setup_rx_resources(adapter->rx_ring[i]);
if (err) {
- dev_err(&pdev->dev,
- "Allocation for Rx Queue %u failed\n", i);
+ netdev_err(dev, "Error on Rx queue %u setup\n", i);
for (i--; i >= 0; i--)
igc_free_rx_resources(adapter->rx_ring[i]);
break;
@@ -757,48 +763,76 @@ static void igc_setup_tctl(struct igc_adapter *adapter)
}
/**
- * igc_rar_set_index - Sync RAL[index] and RAH[index] registers with MAC table
- * @adapter: address of board private structure
- * @index: Index of the RAR entry which need to be synced with MAC table
+ * igc_set_mac_filter_hw() - Set MAC address filter in hardware
+ * @adapter: Pointer to adapter where the filter should be set
+ * @index: Filter index
+ * @type: MAC address filter type (source or destination)
+ * @addr: MAC address
+ * @queue: If non-negative, queue assignment feature is enabled and frames
+ * matching the filter are enqueued onto 'queue'. Otherwise, queue
+ * assignment is disabled.
*/
-static void igc_rar_set_index(struct igc_adapter *adapter, u32 index)
+static void igc_set_mac_filter_hw(struct igc_adapter *adapter, int index,
+ enum igc_mac_filter_type type,
+ const u8 *addr, int queue)
{
- u8 *addr = adapter->mac_table[index].addr;
+ struct net_device *dev = adapter->netdev;
struct igc_hw *hw = &adapter->hw;
- u32 rar_low, rar_high;
+ u32 ral, rah;
- /* HW expects these to be in network order when they are plugged
- * into the registers which are little endian. In order to guarantee
- * that ordering we need to do an leXX_to_cpup here in order to be
- * ready for the byteswap that occurs with writel
- */
- rar_low = le32_to_cpup((__le32 *)(addr));
- rar_high = le16_to_cpup((__le16 *)(addr + 4));
+ if (WARN_ON(index >= hw->mac.rar_entry_count))
+ return;
- /* Indicate to hardware the Address is Valid. */
- if (adapter->mac_table[index].state & IGC_MAC_STATE_IN_USE) {
- if (is_valid_ether_addr(addr))
- rar_high |= IGC_RAH_AV;
+ ral = le32_to_cpup((__le32 *)(addr));
+ rah = le16_to_cpup((__le16 *)(addr + 4));
- rar_high |= IGC_RAH_POOL_1 <<
- adapter->mac_table[index].queue;
+ if (type == IGC_MAC_FILTER_TYPE_SRC) {
+ rah &= ~IGC_RAH_ASEL_MASK;
+ rah |= IGC_RAH_ASEL_SRC_ADDR;
}
- wr32(IGC_RAL(index), rar_low);
- wrfl();
- wr32(IGC_RAH(index), rar_high);
- wrfl();
+ if (queue >= 0) {
+ rah &= ~IGC_RAH_QSEL_MASK;
+ rah |= (queue << IGC_RAH_QSEL_SHIFT);
+ rah |= IGC_RAH_QSEL_ENABLE;
+ }
+
+ rah |= IGC_RAH_AV;
+
+ wr32(IGC_RAL(index), ral);
+ wr32(IGC_RAH(index), rah);
+
+ netdev_dbg(dev, "MAC address filter set in HW: index %d", index);
+}
+
+/**
+ * igc_clear_mac_filter_hw() - Clear MAC address filter in hardware
+ * @adapter: Pointer to adapter where the filter should be cleared
+ * @index: Filter index
+ */
+static void igc_clear_mac_filter_hw(struct igc_adapter *adapter, int index)
+{
+ struct net_device *dev = adapter->netdev;
+ struct igc_hw *hw = &adapter->hw;
+
+ if (WARN_ON(index >= hw->mac.rar_entry_count))
+ return;
+
+ wr32(IGC_RAL(index), 0);
+ wr32(IGC_RAH(index), 0);
+
+ netdev_dbg(dev, "MAC address filter cleared in HW: index %d", index);
}
/* Set default MAC address for the PF in the first RAR entry */
static void igc_set_default_mac_filter(struct igc_adapter *adapter)
{
- struct igc_mac_addr *mac_table = &adapter->mac_table[0];
+ struct net_device *dev = adapter->netdev;
+ u8 *addr = adapter->hw.mac.addr;
- ether_addr_copy(mac_table->addr, adapter->hw.mac.addr);
- mac_table->state = IGC_MAC_STATE_DEFAULT | IGC_MAC_STATE_IN_USE;
+ netdev_dbg(dev, "Set default MAC address filter: address %pM", addr);
- igc_rar_set_index(adapter, 0);
+ igc_set_mac_filter_hw(adapter, 0, IGC_MAC_FILTER_TYPE_DST, addr, -1);
}
/**
@@ -864,6 +898,23 @@ static int igc_write_mc_addr_list(struct net_device *netdev)
return netdev_mc_count(netdev);
}
+static __le32 igc_tx_launchtime(struct igc_adapter *adapter, ktime_t txtime)
+{
+ ktime_t cycle_time = adapter->cycle_time;
+ ktime_t base_time = adapter->base_time;
+ u32 launchtime;
+
+ /* FIXME: when using ETF together with taprio, we may have a
+ * case where 'delta' is larger than the cycle_time, this may
+ * cause problems if we don't read the current value of
+ * IGC_BASET, as the value writen into the launchtime
+ * descriptor field may be misinterpreted.
+ */
+ div_s64_rem(ktime_sub_ns(txtime, base_time), cycle_time, &launchtime);
+
+ return cpu_to_le32(launchtime);
+}
+
static void igc_tx_ctxtdesc(struct igc_ring *tx_ring,
struct igc_tx_buffer *first,
u32 vlan_macip_lens, u32 type_tucmd,
@@ -871,7 +922,6 @@ static void igc_tx_ctxtdesc(struct igc_ring *tx_ring,
{
struct igc_adv_tx_context_desc *context_desc;
u16 i = tx_ring->next_to_use;
- struct timespec64 ts;
context_desc = IGC_TX_CTXTDESC(tx_ring, i);
@@ -893,9 +943,12 @@ static void igc_tx_ctxtdesc(struct igc_ring *tx_ring,
* should have been handled by the upper layers.
*/
if (tx_ring->launchtime_enable) {
- ts = ktime_to_timespec64(first->skb->tstamp);
+ struct igc_adapter *adapter = netdev_priv(tx_ring->netdev);
+ ktime_t txtime = first->skb->tstamp;
+
first->skb->tstamp = ktime_set(0, 0);
- context_desc->launch_time = cpu_to_le32(ts.tv_nsec / 32);
+ context_desc->launch_time = igc_tx_launchtime(adapter,
+ txtime);
} else {
context_desc->launch_time = 0;
}
@@ -1143,7 +1196,7 @@ static int igc_tx_map(struct igc_ring *tx_ring,
return 0;
dma_error:
- dev_err(tx_ring->dev, "TX DMA map failed\n");
+ netdev_err(tx_ring->netdev, "TX DMA map failed\n");
tx_buffer = &tx_ring->tx_buffer_info[i];
/* clear dma mappings for failed tx_buffer_info map */
@@ -1406,8 +1459,8 @@ static void igc_rx_checksum(struct igc_ring *ring,
IGC_RXD_STAT_UDPCS))
skb->ip_summed = CHECKSUM_UNNECESSARY;
- dev_dbg(ring->dev, "cksum success: bits %08X\n",
- le32_to_cpu(rx_desc->wb.upper.status_error));
+ netdev_dbg(ring->netdev, "cksum success: bits %08X\n",
+ le32_to_cpu(rx_desc->wb.upper.status_error));
}
static inline void igc_rx_hash(struct igc_ring *ring,
@@ -2069,27 +2122,27 @@ static bool igc_clean_tx_irq(struct igc_q_vector *q_vector, int napi_budget)
(adapter->tx_timeout_factor * HZ)) &&
!(rd32(IGC_STATUS) & IGC_STATUS_TXOFF)) {
/* detected Tx unit hang */
- dev_err(tx_ring->dev,
- "Detected Tx Unit Hang\n"
- " Tx Queue <%d>\n"
- " TDH <%x>\n"
- " TDT <%x>\n"
- " next_to_use <%x>\n"
- " next_to_clean <%x>\n"
- "buffer_info[next_to_clean]\n"
- " time_stamp <%lx>\n"
- " next_to_watch <%p>\n"
- " jiffies <%lx>\n"
- " desc.status <%x>\n",
- tx_ring->queue_index,
- rd32(IGC_TDH(tx_ring->reg_idx)),
- readl(tx_ring->tail),
- tx_ring->next_to_use,
- tx_ring->next_to_clean,
- tx_buffer->time_stamp,
- tx_buffer->next_to_watch,
- jiffies,
- tx_buffer->next_to_watch->wb.status);
+ netdev_err(tx_ring->netdev,
+ "Detected Tx Unit Hang\n"
+ " Tx Queue <%d>\n"
+ " TDH <%x>\n"
+ " TDT <%x>\n"
+ " next_to_use <%x>\n"
+ " next_to_clean <%x>\n"
+ "buffer_info[next_to_clean]\n"
+ " time_stamp <%lx>\n"
+ " next_to_watch <%p>\n"
+ " jiffies <%lx>\n"
+ " desc.status <%x>\n",
+ tx_ring->queue_index,
+ rd32(IGC_TDH(tx_ring->reg_idx)),
+ readl(tx_ring->tail),
+ tx_ring->next_to_use,
+ tx_ring->next_to_clean,
+ tx_buffer->time_stamp,
+ tx_buffer->next_to_watch,
+ jiffies,
+ tx_buffer->next_to_watch->wb.status);
netif_stop_subqueue(tx_ring->netdev,
tx_ring->queue_index);
@@ -2121,140 +2174,435 @@ static bool igc_clean_tx_irq(struct igc_q_vector *q_vector, int napi_budget)
return !!budget;
}
-static void igc_nfc_filter_restore(struct igc_adapter *adapter)
+static int igc_find_mac_filter(struct igc_adapter *adapter,
+ enum igc_mac_filter_type type, const u8 *addr)
{
- struct igc_nfc_filter *rule;
+ struct igc_hw *hw = &adapter->hw;
+ int max_entries = hw->mac.rar_entry_count;
+ u32 ral, rah;
+ int i;
- spin_lock(&adapter->nfc_lock);
+ for (i = 0; i < max_entries; i++) {
+ ral = rd32(IGC_RAL(i));
+ rah = rd32(IGC_RAH(i));
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node)
- igc_add_filter(adapter, rule);
+ if (!(rah & IGC_RAH_AV))
+ continue;
+ if (!!(rah & IGC_RAH_ASEL_SRC_ADDR) != type)
+ continue;
+ if ((rah & IGC_RAH_RAH_MASK) !=
+ le16_to_cpup((__le16 *)(addr + 4)))
+ continue;
+ if (ral != le32_to_cpup((__le32 *)(addr)))
+ continue;
+
+ return i;
+ }
- spin_unlock(&adapter->nfc_lock);
+ return -1;
}
-/* If the filter to be added and an already existing filter express
- * the same address and address type, it should be possible to only
- * override the other configurations, for example the queue to steer
- * traffic.
- */
-static bool igc_mac_entry_can_be_used(const struct igc_mac_addr *entry,
- const u8 *addr, const u8 flags)
+static int igc_get_avail_mac_filter_slot(struct igc_adapter *adapter)
{
- if (!(entry->state & IGC_MAC_STATE_IN_USE))
- return true;
+ struct igc_hw *hw = &adapter->hw;
+ int max_entries = hw->mac.rar_entry_count;
+ u32 rah;
+ int i;
- if ((entry->state & IGC_MAC_STATE_SRC_ADDR) !=
- (flags & IGC_MAC_STATE_SRC_ADDR))
- return false;
+ for (i = 0; i < max_entries; i++) {
+ rah = rd32(IGC_RAH(i));
- if (!ether_addr_equal(addr, entry->addr))
- return false;
+ if (!(rah & IGC_RAH_AV))
+ return i;
+ }
- return true;
+ return -1;
}
-/* Add a MAC filter for 'addr' directing matching traffic to 'queue',
- * 'flags' is used to indicate what kind of match is made, match is by
- * default for the destination address, if matching by source address
- * is desired the flag IGC_MAC_STATE_SRC_ADDR can be used.
+/**
+ * igc_add_mac_filter() - Add MAC address filter
+ * @adapter: Pointer to adapter where the filter should be added
+ * @type: MAC address filter type (source or destination)
+ * @addr: MAC address
+ * @queue: If non-negative, queue assignment feature is enabled and frames
+ * matching the filter are enqueued onto 'queue'. Otherwise, queue
+ * assignment is disabled.
+ *
+ * Return: 0 in case of success, negative errno code otherwise.
*/
static int igc_add_mac_filter(struct igc_adapter *adapter,
- const u8 *addr, const u8 queue)
+ enum igc_mac_filter_type type, const u8 *addr,
+ int queue)
+{
+ struct net_device *dev = adapter->netdev;
+ int index;
+
+ index = igc_find_mac_filter(adapter, type, addr);
+ if (index >= 0)
+ goto update_filter;
+
+ index = igc_get_avail_mac_filter_slot(adapter);
+ if (index < 0)
+ return -ENOSPC;
+
+ netdev_dbg(dev, "Add MAC address filter: index %d type %s address %pM queue %d\n",
+ index, type == IGC_MAC_FILTER_TYPE_DST ? "dst" : "src",
+ addr, queue);
+
+update_filter:
+ igc_set_mac_filter_hw(adapter, index, type, addr, queue);
+ return 0;
+}
+
+/**
+ * igc_del_mac_filter() - Delete MAC address filter
+ * @adapter: Pointer to adapter where the filter should be deleted from
+ * @type: MAC address filter type (source or destination)
+ * @addr: MAC address
+ */
+static void igc_del_mac_filter(struct igc_adapter *adapter,
+ enum igc_mac_filter_type type, const u8 *addr)
{
+ struct net_device *dev = adapter->netdev;
+ int index;
+
+ index = igc_find_mac_filter(adapter, type, addr);
+ if (index < 0)
+ return;
+
+ if (index == 0) {
+ /* If this is the default filter, we don't actually delete it.
+ * We just reset to its default value i.e. disable queue
+ * assignment.
+ */
+ netdev_dbg(dev, "Disable default MAC filter queue assignment");
+
+ igc_set_mac_filter_hw(adapter, 0, type, addr, -1);
+ } else {
+ netdev_dbg(dev, "Delete MAC address filter: index %d type %s address %pM\n",
+ index,
+ type == IGC_MAC_FILTER_TYPE_DST ? "dst" : "src",
+ addr);
+
+ igc_clear_mac_filter_hw(adapter, index);
+ }
+}
+
+/**
+ * igc_add_vlan_prio_filter() - Add VLAN priority filter
+ * @adapter: Pointer to adapter where the filter should be added
+ * @prio: VLAN priority value
+ * @queue: Queue number which matching frames are assigned to
+ *
+ * Return: 0 in case of success, negative errno code otherwise.
+ */
+static int igc_add_vlan_prio_filter(struct igc_adapter *adapter, int prio,
+ int queue)
+{
+ struct net_device *dev = adapter->netdev;
struct igc_hw *hw = &adapter->hw;
- int rar_entries = hw->mac.rar_entry_count;
- int i;
+ u32 vlanpqf;
- if (is_zero_ether_addr(addr))
- return -EINVAL;
+ vlanpqf = rd32(IGC_VLANPQF);
- /* Search for the first empty entry in the MAC table.
- * Do not touch entries at the end of the table reserved for the VF MAC
- * addresses.
- */
- for (i = 0; i < rar_entries; i++) {
- if (!igc_mac_entry_can_be_used(&adapter->mac_table[i],
- addr, 0))
- continue;
+ if (vlanpqf & IGC_VLANPQF_VALID(prio)) {
+ netdev_dbg(dev, "VLAN priority filter already in use\n");
+ return -EEXIST;
+ }
- ether_addr_copy(adapter->mac_table[i].addr, addr);
- adapter->mac_table[i].queue = queue;
- adapter->mac_table[i].state |= IGC_MAC_STATE_IN_USE;
+ vlanpqf |= IGC_VLANPQF_QSEL(prio, queue);
+ vlanpqf |= IGC_VLANPQF_VALID(prio);
- igc_rar_set_index(adapter, i);
- return i;
+ wr32(IGC_VLANPQF, vlanpqf);
+
+ netdev_dbg(dev, "Add VLAN priority filter: prio %d queue %d\n",
+ prio, queue);
+ return 0;
+}
+
+/**
+ * igc_del_vlan_prio_filter() - Delete VLAN priority filter
+ * @adapter: Pointer to adapter where the filter should be deleted from
+ * @prio: VLAN priority value
+ */
+static void igc_del_vlan_prio_filter(struct igc_adapter *adapter, int prio)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 vlanpqf;
+
+ vlanpqf = rd32(IGC_VLANPQF);
+
+ vlanpqf &= ~IGC_VLANPQF_VALID(prio);
+ vlanpqf &= ~IGC_VLANPQF_QSEL(prio, IGC_VLANPQF_QUEUE_MASK);
+
+ wr32(IGC_VLANPQF, vlanpqf);
+
+ netdev_dbg(adapter->netdev, "Delete VLAN priority filter: prio %d\n",
+ prio);
+}
+
+static int igc_get_avail_etype_filter_slot(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int i;
+
+ for (i = 0; i < MAX_ETYPE_FILTER; i++) {
+ u32 etqf = rd32(IGC_ETQF(i));
+
+ if (!(etqf & IGC_ETQF_FILTER_ENABLE))
+ return i;
}
- return -ENOSPC;
+ return -1;
}
-/* Remove a MAC filter for 'addr' directing matching traffic to
- * 'queue', 'flags' is used to indicate what kind of match need to be
- * removed, match is by default for the destination address, if
- * matching by source address is to be removed the flag
- * IGC_MAC_STATE_SRC_ADDR can be used.
+/**
+ * igc_add_etype_filter() - Add ethertype filter
+ * @adapter: Pointer to adapter where the filter should be added
+ * @etype: Ethertype value
+ * @queue: If non-negative, queue assignment feature is enabled and frames
+ * matching the filter are enqueued onto 'queue'. Otherwise, queue
+ * assignment is disabled.
+ *
+ * Return: 0 in case of success, negative errno code otherwise.
*/
-static int igc_del_mac_filter(struct igc_adapter *adapter,
- const u8 *addr, const u8 queue)
+static int igc_add_etype_filter(struct igc_adapter *adapter, u16 etype,
+ int queue)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int index;
+ u32 etqf;
+
+ index = igc_get_avail_etype_filter_slot(adapter);
+ if (index < 0)
+ return -ENOSPC;
+
+ etqf = rd32(IGC_ETQF(index));
+
+ etqf &= ~IGC_ETQF_ETYPE_MASK;
+ etqf |= etype;
+
+ if (queue >= 0) {
+ etqf &= ~IGC_ETQF_QUEUE_MASK;
+ etqf |= (queue << IGC_ETQF_QUEUE_SHIFT);
+ etqf |= IGC_ETQF_QUEUE_ENABLE;
+ }
+
+ etqf |= IGC_ETQF_FILTER_ENABLE;
+
+ wr32(IGC_ETQF(index), etqf);
+
+ netdev_dbg(adapter->netdev, "Add ethertype filter: etype %04x queue %d\n",
+ etype, queue);
+ return 0;
+}
+
+static int igc_find_etype_filter(struct igc_adapter *adapter, u16 etype)
{
struct igc_hw *hw = &adapter->hw;
- int rar_entries = hw->mac.rar_entry_count;
int i;
- if (is_zero_ether_addr(addr))
- return -EINVAL;
+ for (i = 0; i < MAX_ETYPE_FILTER; i++) {
+ u32 etqf = rd32(IGC_ETQF(i));
- /* Search for matching entry in the MAC table based on given address
- * and queue. Do not touch entries at the end of the table reserved
- * for the VF MAC addresses.
- */
- for (i = 0; i < rar_entries; i++) {
- if (!(adapter->mac_table[i].state & IGC_MAC_STATE_IN_USE))
- continue;
- if (adapter->mac_table[i].state != 0)
- continue;
- if (adapter->mac_table[i].queue != queue)
- continue;
- if (!ether_addr_equal(adapter->mac_table[i].addr, addr))
- continue;
+ if ((etqf & IGC_ETQF_ETYPE_MASK) == etype)
+ return i;
+ }
- /* When a filter for the default address is "deleted",
- * we return it to its initial configuration
- */
- if (adapter->mac_table[i].state & IGC_MAC_STATE_DEFAULT) {
- adapter->mac_table[i].state =
- IGC_MAC_STATE_DEFAULT | IGC_MAC_STATE_IN_USE;
- adapter->mac_table[i].queue = 0;
- } else {
- adapter->mac_table[i].state = 0;
- adapter->mac_table[i].queue = 0;
- memset(adapter->mac_table[i].addr, 0, ETH_ALEN);
- }
+ return -1;
+}
- igc_rar_set_index(adapter, i);
- return 0;
+/**
+ * igc_del_etype_filter() - Delete ethertype filter
+ * @adapter: Pointer to adapter where the filter should be deleted from
+ * @etype: Ethertype value
+ */
+static void igc_del_etype_filter(struct igc_adapter *adapter, u16 etype)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int index;
+
+ index = igc_find_etype_filter(adapter, etype);
+ if (index < 0)
+ return;
+
+ wr32(IGC_ETQF(index), 0);
+
+ netdev_dbg(adapter->netdev, "Delete ethertype filter: etype %04x\n",
+ etype);
+}
+
+static int igc_enable_nfc_rule(struct igc_adapter *adapter,
+ const struct igc_nfc_rule *rule)
+{
+ int err;
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE) {
+ err = igc_add_etype_filter(adapter, rule->filter.etype,
+ rule->action);
+ if (err)
+ return err;
+ }
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR) {
+ err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC,
+ rule->filter.src_addr, rule->action);
+ if (err)
+ return err;
+ }
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR) {
+ err = igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST,
+ rule->filter.dst_addr, rule->action);
+ if (err)
+ return err;
+ }
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
+ int prio = (rule->filter.vlan_tci & VLAN_PRIO_MASK) >>
+ VLAN_PRIO_SHIFT;
+
+ err = igc_add_vlan_prio_filter(adapter, prio, rule->action);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static void igc_disable_nfc_rule(struct igc_adapter *adapter,
+ const struct igc_nfc_rule *rule)
+{
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_ETHER_TYPE)
+ igc_del_etype_filter(adapter, rule->filter.etype);
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_VLAN_TCI) {
+ int prio = (rule->filter.vlan_tci & VLAN_PRIO_MASK) >>
+ VLAN_PRIO_SHIFT;
+
+ igc_del_vlan_prio_filter(adapter, prio);
}
- return -ENOENT;
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_SRC_MAC_ADDR)
+ igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_SRC,
+ rule->filter.src_addr);
+
+ if (rule->filter.match_flags & IGC_FILTER_FLAG_DST_MAC_ADDR)
+ igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST,
+ rule->filter.dst_addr);
+}
+
+/**
+ * igc_get_nfc_rule() - Get NFC rule
+ * @adapter: Pointer to adapter
+ * @location: Rule location
+ *
+ * Context: Expects adapter->nfc_rule_lock to be held by caller.
+ *
+ * Return: Pointer to NFC rule at @location. If not found, NULL.
+ */
+struct igc_nfc_rule *igc_get_nfc_rule(struct igc_adapter *adapter,
+ u32 location)
+{
+ struct igc_nfc_rule *rule;
+
+ list_for_each_entry(rule, &adapter->nfc_rule_list, list) {
+ if (rule->location == location)
+ return rule;
+ if (rule->location > location)
+ break;
+ }
+
+ return NULL;
+}
+
+/**
+ * igc_del_nfc_rule() - Delete NFC rule
+ * @adapter: Pointer to adapter
+ * @rule: Pointer to rule to be deleted
+ *
+ * Disable NFC rule in hardware and delete it from adapter.
+ *
+ * Context: Expects adapter->nfc_rule_lock to be held by caller.
+ */
+void igc_del_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule)
+{
+ igc_disable_nfc_rule(adapter, rule);
+
+ list_del(&rule->list);
+ adapter->nfc_rule_count--;
+
+ kfree(rule);
+}
+
+static void igc_flush_nfc_rules(struct igc_adapter *adapter)
+{
+ struct igc_nfc_rule *rule, *tmp;
+
+ mutex_lock(&adapter->nfc_rule_lock);
+
+ list_for_each_entry_safe(rule, tmp, &adapter->nfc_rule_list, list)
+ igc_del_nfc_rule(adapter, rule);
+
+ mutex_unlock(&adapter->nfc_rule_lock);
+}
+
+/**
+ * igc_add_nfc_rule() - Add NFC rule
+ * @adapter: Pointer to adapter
+ * @rule: Pointer to rule to be added
+ *
+ * Enable NFC rule in hardware and add it to adapter.
+ *
+ * Context: Expects adapter->nfc_rule_lock to be held by caller.
+ *
+ * Return: 0 on success, negative errno on failure.
+ */
+int igc_add_nfc_rule(struct igc_adapter *adapter, struct igc_nfc_rule *rule)
+{
+ struct igc_nfc_rule *pred, *cur;
+ int err;
+
+ err = igc_enable_nfc_rule(adapter, rule);
+ if (err)
+ return err;
+
+ pred = NULL;
+ list_for_each_entry(cur, &adapter->nfc_rule_list, list) {
+ if (cur->location >= rule->location)
+ break;
+ pred = cur;
+ }
+
+ list_add(&rule->list, pred ? &pred->list : &adapter->nfc_rule_list);
+ adapter->nfc_rule_count++;
+ return 0;
+}
+
+static void igc_restore_nfc_rules(struct igc_adapter *adapter)
+{
+ struct igc_nfc_rule *rule;
+
+ mutex_lock(&adapter->nfc_rule_lock);
+
+ list_for_each_entry_reverse(rule, &adapter->nfc_rule_list, list)
+ igc_enable_nfc_rule(adapter, rule);
+
+ mutex_unlock(&adapter->nfc_rule_lock);
}
static int igc_uc_sync(struct net_device *netdev, const unsigned char *addr)
{
struct igc_adapter *adapter = netdev_priv(netdev);
- int ret;
-
- ret = igc_add_mac_filter(adapter, addr, adapter->num_rx_queues);
- return min_t(int, ret, 0);
+ return igc_add_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, addr, -1);
}
static int igc_uc_unsync(struct net_device *netdev, const unsigned char *addr)
{
struct igc_adapter *adapter = netdev_priv(netdev);
- igc_del_mac_filter(adapter, addr, adapter->num_rx_queues);
-
+ igc_del_mac_filter(adapter, IGC_MAC_FILTER_TYPE_DST, addr);
return 0;
}
@@ -2325,7 +2673,9 @@ static void igc_configure(struct igc_adapter *adapter)
igc_setup_mrqc(adapter);
igc_setup_rctl(adapter);
- igc_nfc_filter_restore(adapter);
+ igc_set_default_mac_filter(adapter);
+ igc_restore_nfc_rules(adapter);
+
igc_configure_tx(adapter);
igc_configure_rx(adapter);
@@ -2518,12 +2868,7 @@ void igc_set_flag_queue_pairs(struct igc_adapter *adapter,
unsigned int igc_get_max_rss_queues(struct igc_adapter *adapter)
{
- unsigned int max_rss_queues;
-
- /* Determine the maximum number of RSS queues supported. */
- max_rss_queues = IGC_MAX_RX_QUEUES;
-
- return max_rss_queues;
+ return IGC_MAX_RX_QUEUES;
}
static void igc_init_queue_configuration(struct igc_adapter *adapter)
@@ -3164,14 +3509,14 @@ err_out:
*/
static int igc_init_interrupt_scheme(struct igc_adapter *adapter, bool msix)
{
- struct pci_dev *pdev = adapter->pdev;
+ struct net_device *dev = adapter->netdev;
int err = 0;
igc_set_interrupt_capability(adapter, msix);
err = igc_alloc_q_vectors(adapter);
if (err) {
- dev_err(&pdev->dev, "Unable to allocate memory for vectors\n");
+ netdev_err(dev, "Unable to allocate memory for vectors\n");
goto err_alloc_q_vectors;
}
@@ -3198,8 +3543,6 @@ static int igc_sw_init(struct igc_adapter *adapter)
struct pci_dev *pdev = adapter->pdev;
struct igc_hw *hw = &adapter->hw;
- int size = sizeof(struct igc_mac_addr) * hw->mac.rar_entry_count;
-
pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word);
/* set default ring sizes */
@@ -3218,20 +3561,19 @@ static int igc_sw_init(struct igc_adapter *adapter)
VLAN_HLEN;
adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
- spin_lock_init(&adapter->nfc_lock);
+ mutex_init(&adapter->nfc_rule_lock);
+ INIT_LIST_HEAD(&adapter->nfc_rule_list);
+ adapter->nfc_rule_count = 0;
+
spin_lock_init(&adapter->stats64_lock);
/* Assume MSI-X interrupts, will be checked during IRQ allocation */
adapter->flags |= IGC_FLAG_HAS_MSIX;
- adapter->mac_table = kzalloc(size, GFP_ATOMIC);
- if (!adapter->mac_table)
- return -ENOMEM;
-
igc_init_queue_configuration(adapter);
/* This call may decrease the number of queues */
if (igc_init_interrupt_scheme(adapter, true)) {
- dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+ netdev_err(netdev, "Unable to allocate memory for queues\n");
return -ENOMEM;
}
@@ -3359,8 +3701,6 @@ void igc_update_stats(struct igc_adapter *adapter)
adapter->stats.prc511 += rd32(IGC_PRC511);
adapter->stats.prc1023 += rd32(IGC_PRC1023);
adapter->stats.prc1522 += rd32(IGC_PRC1522);
- adapter->stats.symerrs += rd32(IGC_SYMERRS);
- adapter->stats.sec += rd32(IGC_SEC);
mpc = rd32(IGC_MPC);
adapter->stats.mpc += mpc;
@@ -3399,6 +3739,7 @@ void igc_update_stats(struct igc_adapter *adapter)
adapter->stats.tpt += rd32(IGC_TPT);
adapter->stats.colc += rd32(IGC_COLC);
+ adapter->stats.colc += rd32(IGC_RERC);
adapter->stats.algnerrc += rd32(IGC_ALGNERRC);
@@ -3449,21 +3790,6 @@ void igc_update_stats(struct igc_adapter *adapter)
adapter->stats.mgpdc += rd32(IGC_MGTPDC);
}
-static void igc_nfc_filter_exit(struct igc_adapter *adapter)
-{
- struct igc_nfc_filter *rule;
-
- spin_lock(&adapter->nfc_lock);
-
- hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node)
- igc_erase_filter(adapter, rule);
-
- hlist_for_each_entry(rule, &adapter->cls_flower_list, nfc_node)
- igc_erase_filter(adapter, rule);
-
- spin_unlock(&adapter->nfc_lock);
-}
-
/**
* igc_down - Close the interface
* @adapter: board private structure
@@ -3482,8 +3808,6 @@ void igc_down(struct igc_adapter *adapter)
wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN);
/* flush and sleep below */
- igc_nfc_filter_exit(adapter);
-
/* set trans_start so we don't get spurious watchdogs during reset */
netif_trans_update(netdev);
@@ -3577,8 +3901,7 @@ static int igc_change_mtu(struct net_device *netdev, int new_mtu)
if (netif_running(netdev))
igc_down(adapter);
- netdev_dbg(netdev, "changing MTU from %d to %d\n",
- netdev->mtu, new_mtu);
+ netdev_dbg(netdev, "changing MTU from %d to %d\n", netdev->mtu, new_mtu);
netdev->mtu = new_mtu;
if (netif_running(netdev))
@@ -3633,20 +3956,8 @@ static int igc_set_features(struct net_device *netdev,
if (!(changed & (NETIF_F_RXALL | NETIF_F_NTUPLE)))
return 0;
- if (!(features & NETIF_F_NTUPLE)) {
- struct hlist_node *node2;
- struct igc_nfc_filter *rule;
-
- spin_lock(&adapter->nfc_lock);
- hlist_for_each_entry_safe(rule, node2,
- &adapter->nfc_filter_list, nfc_node) {
- igc_erase_filter(adapter, rule);
- hlist_del(&rule->nfc_node);
- kfree(rule);
- }
- spin_unlock(&adapter->nfc_lock);
- adapter->nfc_filter_count = 0;
- }
+ if (!(features & NETIF_F_NTUPLE))
+ igc_flush_nfc_rules(adapter);
netdev->features = features;
@@ -3689,106 +4000,6 @@ igc_features_check(struct sk_buff *skb, struct net_device *dev,
return features;
}
-/* Add a MAC filter for 'addr' directing matching traffic to 'queue',
- * 'flags' is used to indicate what kind of match is made, match is by
- * default for the destination address, if matching by source address
- * is desired the flag IGC_MAC_STATE_SRC_ADDR can be used.
- */
-static int igc_add_mac_filter_flags(struct igc_adapter *adapter,
- const u8 *addr, const u8 queue,
- const u8 flags)
-{
- struct igc_hw *hw = &adapter->hw;
- int rar_entries = hw->mac.rar_entry_count;
- int i;
-
- if (is_zero_ether_addr(addr))
- return -EINVAL;
-
- /* Search for the first empty entry in the MAC table.
- * Do not touch entries at the end of the table reserved for the VF MAC
- * addresses.
- */
- for (i = 0; i < rar_entries; i++) {
- if (!igc_mac_entry_can_be_used(&adapter->mac_table[i],
- addr, flags))
- continue;
-
- ether_addr_copy(adapter->mac_table[i].addr, addr);
- adapter->mac_table[i].queue = queue;
- adapter->mac_table[i].state |= IGC_MAC_STATE_IN_USE | flags;
-
- igc_rar_set_index(adapter, i);
- return i;
- }
-
- return -ENOSPC;
-}
-
-int igc_add_mac_steering_filter(struct igc_adapter *adapter,
- const u8 *addr, u8 queue, u8 flags)
-{
- return igc_add_mac_filter_flags(adapter, addr, queue,
- IGC_MAC_STATE_QUEUE_STEERING | flags);
-}
-
-/* Remove a MAC filter for 'addr' directing matching traffic to
- * 'queue', 'flags' is used to indicate what kind of match need to be
- * removed, match is by default for the destination address, if
- * matching by source address is to be removed the flag
- * IGC_MAC_STATE_SRC_ADDR can be used.
- */
-static int igc_del_mac_filter_flags(struct igc_adapter *adapter,
- const u8 *addr, const u8 queue,
- const u8 flags)
-{
- struct igc_hw *hw = &adapter->hw;
- int rar_entries = hw->mac.rar_entry_count;
- int i;
-
- if (is_zero_ether_addr(addr))
- return -EINVAL;
-
- /* Search for matching entry in the MAC table based on given address
- * and queue. Do not touch entries at the end of the table reserved
- * for the VF MAC addresses.
- */
- for (i = 0; i < rar_entries; i++) {
- if (!(adapter->mac_table[i].state & IGC_MAC_STATE_IN_USE))
- continue;
- if ((adapter->mac_table[i].state & flags) != flags)
- continue;
- if (adapter->mac_table[i].queue != queue)
- continue;
- if (!ether_addr_equal(adapter->mac_table[i].addr, addr))
- continue;
-
- /* When a filter for the default address is "deleted",
- * we return it to its initial configuration
- */
- if (adapter->mac_table[i].state & IGC_MAC_STATE_DEFAULT) {
- adapter->mac_table[i].state =
- IGC_MAC_STATE_DEFAULT | IGC_MAC_STATE_IN_USE;
- } else {
- adapter->mac_table[i].state = 0;
- adapter->mac_table[i].queue = 0;
- memset(adapter->mac_table[i].addr, 0, ETH_ALEN);
- }
-
- igc_rar_set_index(adapter, i);
- return 0;
- }
-
- return -ENOENT;
-}
-
-int igc_del_mac_steering_filter(struct igc_adapter *adapter,
- const u8 *addr, u8 queue, u8 flags)
-{
- return igc_del_mac_filter_flags(adapter, addr, queue,
- IGC_MAC_STATE_QUEUE_STEERING | flags);
-}
-
static void igc_tsync_interrupt(struct igc_adapter *adapter)
{
struct igc_hw *hw = &adapter->hw;
@@ -4009,7 +4220,6 @@ static void igc_watchdog_task(struct work_struct *work)
struct igc_hw *hw = &adapter->hw;
struct igc_phy_info *phy = &hw->phy;
u16 phy_data, retry_count = 20;
- u32 connsw;
u32 link;
int i;
@@ -4022,14 +4232,6 @@ static void igc_watchdog_task(struct work_struct *work)
link = false;
}
- /* Force link down if we have fiber to swap to */
- if (adapter->flags & IGC_FLAG_MAS_ENABLE) {
- if (hw->phy.media_type == igc_media_type_copper) {
- connsw = rd32(IGC_CONNSW);
- if (!(connsw & IGC_CONNSW_AUTOSENSE_EN))
- link = 0;
- }
- }
if (link) {
/* Cancel scheduled suspend requests. */
pm_runtime_resume(netdev->dev.parent);
@@ -4044,8 +4246,7 @@ static void igc_watchdog_task(struct work_struct *work)
ctrl = rd32(IGC_CTRL);
/* Link status message must follow this format */
netdev_info(netdev,
- "igc: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
- netdev->name,
+ "NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
adapter->link_speed,
adapter->link_duplex == FULL_DUPLEX ?
"Full" : "Half",
@@ -4083,10 +4284,10 @@ retry_read_status:
retry_count--;
goto retry_read_status;
} else if (!retry_count) {
- dev_err(&adapter->pdev->dev, "exceed max 2 second\n");
+ netdev_err(netdev, "exceed max 2 second\n");
}
} else {
- dev_err(&adapter->pdev->dev, "read 1000Base-T Status Reg\n");
+ netdev_err(netdev, "read 1000Base-T Status Reg\n");
}
no_wait:
netif_carrier_on(netdev);
@@ -4102,8 +4303,7 @@ no_wait:
adapter->link_duplex = 0;
/* Links status message must follow this format */
- netdev_info(netdev, "igc: %s NIC Link is Down\n",
- netdev->name);
+ netdev_info(netdev, "NIC Link is Down\n");
netif_carrier_off(netdev);
/* link state has changed, schedule phy info update */
@@ -4321,8 +4521,7 @@ static int igc_request_irq(struct igc_adapter *adapter)
netdev->name, adapter);
if (err)
- dev_err(&pdev->dev, "Error %d getting interrupt\n",
- err);
+ netdev_err(netdev, "Error %d getting interrupt\n", err);
request_done:
return err;
@@ -4424,7 +4623,7 @@ err_setup_tx:
return err;
}
-static int igc_open(struct net_device *netdev)
+int igc_open(struct net_device *netdev)
{
return __igc_open(netdev, false);
}
@@ -4466,7 +4665,7 @@ static int __igc_close(struct net_device *netdev, bool suspending)
return 0;
}
-static int igc_close(struct net_device *netdev)
+int igc_close(struct net_device *netdev)
{
if (netif_device_present(netdev) || netdev->dismantle)
return __igc_close(netdev, false);
@@ -4491,6 +4690,158 @@ static int igc_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
}
}
+static int igc_save_launchtime_params(struct igc_adapter *adapter, int queue,
+ bool enable)
+{
+ struct igc_ring *ring;
+ int i;
+
+ if (queue < 0 || queue >= adapter->num_tx_queues)
+ return -EINVAL;
+
+ ring = adapter->tx_ring[queue];
+ ring->launchtime_enable = enable;
+
+ if (adapter->base_time)
+ return 0;
+
+ adapter->cycle_time = NSEC_PER_SEC;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ ring = adapter->tx_ring[i];
+ ring->start_time = 0;
+ ring->end_time = NSEC_PER_SEC;
+ }
+
+ return 0;
+}
+
+static bool validate_schedule(const struct tc_taprio_qopt_offload *qopt)
+{
+ int queue_uses[IGC_MAX_TX_QUEUES] = { };
+ size_t n;
+
+ if (qopt->cycle_time_extension)
+ return false;
+
+ for (n = 0; n < qopt->num_entries; n++) {
+ const struct tc_taprio_sched_entry *e;
+ int i;
+
+ e = &qopt->entries[n];
+
+ /* i225 only supports "global" frame preemption
+ * settings.
+ */
+ if (e->command != TC_TAPRIO_CMD_SET_GATES)
+ return false;
+
+ for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+ if (e->gate_mask & BIT(i))
+ queue_uses[i]++;
+
+ if (queue_uses[i] > 1)
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static int igc_tsn_enable_launchtime(struct igc_adapter *adapter,
+ struct tc_etf_qopt_offload *qopt)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int err;
+
+ if (hw->mac.type != igc_i225)
+ return -EOPNOTSUPP;
+
+ err = igc_save_launchtime_params(adapter, qopt->queue, qopt->enable);
+ if (err)
+ return err;
+
+ return igc_tsn_offload_apply(adapter);
+}
+
+static int igc_save_qbv_schedule(struct igc_adapter *adapter,
+ struct tc_taprio_qopt_offload *qopt)
+{
+ u32 start_time = 0, end_time = 0;
+ size_t n;
+
+ if (!qopt->enable) {
+ adapter->base_time = 0;
+ return 0;
+ }
+
+ if (adapter->base_time)
+ return -EALREADY;
+
+ if (!validate_schedule(qopt))
+ return -EINVAL;
+
+ adapter->cycle_time = qopt->cycle_time;
+ adapter->base_time = qopt->base_time;
+
+ /* FIXME: be a little smarter about cases when the gate for a
+ * queue stays open for more than one entry.
+ */
+ for (n = 0; n < qopt->num_entries; n++) {
+ struct tc_taprio_sched_entry *e = &qopt->entries[n];
+ int i;
+
+ end_time += e->interval;
+
+ for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+ struct igc_ring *ring = adapter->tx_ring[i];
+
+ if (!(e->gate_mask & BIT(i)))
+ continue;
+
+ ring->start_time = start_time;
+ ring->end_time = end_time;
+ }
+
+ start_time += e->interval;
+ }
+
+ return 0;
+}
+
+static int igc_tsn_enable_qbv_scheduling(struct igc_adapter *adapter,
+ struct tc_taprio_qopt_offload *qopt)
+{
+ struct igc_hw *hw = &adapter->hw;
+ int err;
+
+ if (hw->mac.type != igc_i225)
+ return -EOPNOTSUPP;
+
+ err = igc_save_qbv_schedule(adapter, qopt);
+ if (err)
+ return err;
+
+ return igc_tsn_offload_apply(adapter);
+}
+
+static int igc_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data)
+{
+ struct igc_adapter *adapter = netdev_priv(dev);
+
+ switch (type) {
+ case TC_SETUP_QDISC_TAPRIO:
+ return igc_tsn_enable_qbv_scheduling(adapter, type_data);
+
+ case TC_SETUP_QDISC_ETF:
+ return igc_tsn_enable_launchtime(adapter, type_data);
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
static const struct net_device_ops igc_netdev_ops = {
.ndo_open = igc_open,
.ndo_stop = igc_close,
@@ -4503,6 +4854,7 @@ static const struct net_device_ops igc_netdev_ops = {
.ndo_set_features = igc_set_features,
.ndo_features_check = igc_features_check,
.ndo_do_ioctl = igc_ioctl,
+ .ndo_setup_tc = igc_setup_tc,
};
/* PCIe configuration access */
@@ -4550,9 +4902,6 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg)
u8 __iomem *hw_addr = READ_ONCE(hw->hw_addr);
u32 value = 0;
- if (IGC_REMOVED(hw_addr))
- return ~value;
-
value = readl(&hw_addr[reg]);
/* reads should not return all F's */
@@ -4571,7 +4920,6 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg)
int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx)
{
- struct pci_dev *pdev = adapter->pdev;
struct igc_mac_info *mac = &adapter->hw.mac;
mac->autoneg = 0;
@@ -4616,7 +4964,7 @@ int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx)
return 0;
err_inval:
- dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
+ netdev_err(adapter->netdev, "Unsupported Speed/Duplex configuration\n");
return -EINVAL;
}
@@ -4697,7 +5045,7 @@ static int igc_probe(struct pci_dev *pdev,
hw->hw_addr = adapter->io_addr;
netdev->netdev_ops = &igc_netdev_ops;
- igc_set_ethtool_ops(netdev);
+ igc_ethtool_set_ops(netdev);
netdev->watchdog_timeo = 5 * HZ;
netdev->mem_start = pci_resource_start(pdev, 0);
@@ -4723,9 +5071,21 @@ static int igc_probe(struct pci_dev *pdev,
netdev->features |= NETIF_F_SG;
netdev->features |= NETIF_F_TSO;
netdev->features |= NETIF_F_TSO6;
+ netdev->features |= NETIF_F_TSO_ECN;
netdev->features |= NETIF_F_RXCSUM;
netdev->features |= NETIF_F_HW_CSUM;
netdev->features |= NETIF_F_SCTP_CRC;
+ netdev->features |= NETIF_F_HW_TC;
+
+#define IGC_GSO_PARTIAL_FEATURES (NETIF_F_GSO_GRE | \
+ NETIF_F_GSO_GRE_CSUM | \
+ NETIF_F_GSO_IPXIP4 | \
+ NETIF_F_GSO_IPXIP6 | \
+ NETIF_F_GSO_UDP_TUNNEL | \
+ NETIF_F_GSO_UDP_TUNNEL_CSUM)
+
+ netdev->gso_partial_features = IGC_GSO_PARTIAL_FEATURES;
+ netdev->features |= NETIF_F_GSO_PARTIAL | IGC_GSO_PARTIAL_FEATURES;
/* setup the private structure */
err = igc_sw_init(adapter);
@@ -4750,8 +5110,7 @@ static int igc_probe(struct pci_dev *pdev,
if (igc_get_flash_presence_i225(hw)) {
if (hw->nvm.ops.validate(hw) < 0) {
- dev_err(&pdev->dev,
- "The NVM Checksum Is Not Valid\n");
+ dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
err = -EIO;
goto err_eeprom;
}
@@ -4825,7 +5184,7 @@ static int igc_probe(struct pci_dev *pdev,
pcie_print_link_status(pdev);
netdev_info(netdev, "MAC: %pM\n", netdev->dev_addr);
- dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP);
+ dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
pm_runtime_put_noidle(&pdev->dev);
@@ -4865,6 +5224,8 @@ static void igc_remove(struct pci_dev *pdev)
pm_runtime_get_noresume(&pdev->dev);
+ igc_flush_nfc_rules(adapter);
+
igc_ptp_stop(adapter);
set_bit(__IGC_DOWN, &adapter->state);
@@ -4885,7 +5246,6 @@ static void igc_remove(struct pci_dev *pdev)
pci_iounmap(pdev, adapter->io_addr);
pci_release_mem_regions(pdev);
- kfree(adapter->mac_table);
free_netdev(netdev);
pci_disable_pcie_error_reporting(pdev);
@@ -5014,8 +5374,7 @@ static int __maybe_unused igc_resume(struct device *dev)
return -ENODEV;
err = pci_enable_device_mem(pdev);
if (err) {
- dev_err(&pdev->dev,
- "igc: Cannot enable PCI device from suspend\n");
+ netdev_err(netdev, "Cannot enable PCI device from suspend\n");
return err;
}
pci_set_master(pdev);
@@ -5024,7 +5383,7 @@ static int __maybe_unused igc_resume(struct device *dev)
pci_enable_wake(pdev, PCI_D3cold, 0);
if (igc_init_interrupt_scheme(adapter, true)) {
- dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+ netdev_err(netdev, "Unable to allocate memory for queues\n");
return -ENOMEM;
}
@@ -5128,8 +5487,7 @@ static pci_ers_result_t igc_io_slot_reset(struct pci_dev *pdev)
pci_ers_result_t result;
if (pci_enable_device_mem(pdev)) {
- dev_err(&pdev->dev,
- "Could not re-enable PCI device after reset.\n");
+ netdev_err(netdev, "Could not re-enable PCI device after reset\n");
result = PCI_ERS_RESULT_DISCONNECT;
} else {
pci_set_master(pdev);
@@ -5168,7 +5526,7 @@ static void igc_io_resume(struct pci_dev *pdev)
rtnl_lock();
if (netif_running(netdev)) {
if (igc_open(netdev)) {
- dev_err(&pdev->dev, "igc_open failed after reset\n");
+ netdev_err(netdev, "igc_open failed after reset\n");
return;
}
}
@@ -5215,7 +5573,6 @@ static struct pci_driver igc_driver = {
int igc_reinit_queues(struct igc_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
- struct pci_dev *pdev = adapter->pdev;
int err = 0;
if (netif_running(netdev))
@@ -5224,7 +5581,7 @@ int igc_reinit_queues(struct igc_adapter *adapter)
igc_reset_interrupt_capability(adapter);
if (igc_init_interrupt_scheme(adapter, true)) {
- dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+ netdev_err(netdev, "Unable to allocate memory for queues\n");
return -ENOMEM;
}
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index f99c514ad0f4..0d746f8588c8 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -305,7 +305,6 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter,
struct igc_hw *hw = &adapter->hw;
u32 tsync_rx_cfg = 0;
bool is_l4 = false;
- bool is_l2 = false;
u32 regval;
/* reserved for future extensions */
@@ -346,7 +345,6 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter,
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
tsync_rx_ctl |= IGC_TSYNCRXCTL_TYPE_EVENT_V2;
config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
- is_l2 = true;
is_l4 = true;
break;
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
@@ -370,7 +368,6 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter,
tsync_rx_ctl |= IGC_TSYNCRXCTL_TYPE_ALL;
tsync_rx_ctl |= IGC_TSYNCRXCTL_RXSYNSIG;
config->rx_filter = HWTSTAMP_FILTER_ALL;
- is_l2 = true;
is_l4 = true;
if (hw->mac.type == igc_i225) {
@@ -405,15 +402,6 @@ static int igc_ptp_set_timestamp_mode(struct igc_adapter *adapter,
/* define which PTP packets are time stamped */
wr32(IGC_TSYNCRXCFG, tsync_rx_cfg);
- /* define ethertype filter for timestamped packets */
- if (is_l2)
- wr32(IGC_ETQF(3),
- (IGC_ETQF_FILTER_ENABLE | /* enable filter */
- IGC_ETQF_1588 | /* enable timestamping */
- ETH_P_1588)); /* 1588 eth protocol type */
- else
- wr32(IGC_ETQF(3), 0);
-
/* L4 Queue Filter[3]: filter by destination port and protocol */
if (is_l4) {
u32 ftqf = (IPPROTO_UDP /* UDP */
@@ -466,7 +454,7 @@ void igc_ptp_tx_hang(struct igc_adapter *adapter)
* interrupt
*/
rd32(IGC_TXSTMPH);
- dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n");
+ netdev_warn(adapter->netdev, "Clearing Tx timestamp hang\n");
}
}
@@ -529,7 +517,7 @@ static void igc_ptp_tx_work(struct work_struct *work)
* interrupt
*/
rd32(IGC_TXSTMPH);
- dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n");
+ netdev_warn(adapter->netdev, "Clearing Tx timestamp hang\n");
return;
}
@@ -626,10 +614,9 @@ void igc_ptp_init(struct igc_adapter *adapter)
&adapter->pdev->dev);
if (IS_ERR(adapter->ptp_clock)) {
adapter->ptp_clock = NULL;
- dev_err(&adapter->pdev->dev, "ptp_clock_register failed\n");
+ netdev_err(netdev, "ptp_clock_register failed\n");
} else if (adapter->ptp_clock) {
- dev_info(&adapter->pdev->dev, "added PHC on %s\n",
- adapter->netdev->name);
+ netdev_info(netdev, "PHC added\n");
adapter->ptp_flags |= IGC_PTP_ENABLED;
}
}
@@ -666,8 +653,7 @@ void igc_ptp_stop(struct igc_adapter *adapter)
if (adapter->ptp_clock) {
ptp_clock_unregister(adapter->ptp_clock);
- dev_info(&adapter->pdev->dev, "removed PHC on %s\n",
- adapter->netdev->name);
+ netdev_info(adapter->netdev, "PHC removed\n");
adapter->ptp_flags &= ~IGC_PTP_ENABLED;
}
}
diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h
index d4af53a80f11..232e82dec62e 100644
--- a/drivers/net/ethernet/intel/igc/igc_regs.h
+++ b/drivers/net/ethernet/intel/igc/igc_regs.h
@@ -17,11 +17,6 @@
/* Internal Packet Buffer Size Registers */
#define IGC_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */
#define IGC_TXPBS 0x03404 /* Tx Packet Buffer Size - RW */
-#define IGC_TDFH 0x03410 /* Tx Data FIFO Head - RW */
-#define IGC_TDFT 0x03418 /* Tx Data FIFO Tail - RW */
-#define IGC_TDFHS 0x03420 /* Tx Data FIFO Head Saved - RW */
-#define IGC_TDFTS 0x03428 /* Tx Data FIFO Tail Saved - RW */
-#define IGC_TDFPC 0x03430 /* Tx Data FIFO Packet Count - RW */
/* NVM Register Descriptions */
#define IGC_EERD 0x12014 /* EEprom mode read - RW */
@@ -35,10 +30,6 @@
#define IGC_FCRTL 0x02160 /* FC Receive Threshold Low - RW */
#define IGC_FCRTH 0x02168 /* FC Receive Threshold High - RW */
#define IGC_FCRTV 0x02460 /* FC Refresh Timer Value - RW */
-#define IGC_FCSTS 0x02464 /* FC Status - RO */
-
-/* PCIe Register Description */
-#define IGC_GCR 0x05B00 /* PCIe control- RW */
/* Semaphore registers */
#define IGC_SW_FW_SYNC 0x05B5C /* SW-FW Synchronization - RW */
@@ -49,6 +40,7 @@
#define IGC_FACTPS 0x05B30
/* Interrupt Register Description */
+#define IGC_EICR 0x01580 /* Ext. Interrupt Cause read - W0 */
#define IGC_EICS 0x01520 /* Ext. Interrupt Cause Set - W0 */
#define IGC_EIMS 0x01524 /* Ext. Interrupt Mask Set/Read - RW */
#define IGC_EIMC 0x01528 /* Ext. Interrupt Mask Clear - WO */
@@ -76,13 +68,6 @@
#define IGC_ICRXDMTC 0x04120 /* Rx Descriptor Min Threshold Count */
#define IGC_ICRXOC 0x04124 /* Receiver Overrun Count */
-#define IGC_CBTMPC 0x0402C /* Circuit Breaker TX Packet Count */
-#define IGC_HTDPMC 0x0403C /* Host Transmit Discarded Packets */
-#define IGC_CBRMPC 0x040FC /* Circuit Breaker RX Packet Count */
-#define IGC_RPTHC 0x04104 /* Rx Packets To Host */
-#define IGC_HGPTC 0x04118 /* Host Good Packets TX Count */
-#define IGC_HTCBDPC 0x04124 /* Host TX Circ.Breaker Drop Count */
-
/* MSI-X Table Register Descriptions */
#define IGC_PBACL 0x05B68 /* MSIx PBA Clear - R/W 1 to clear */
@@ -119,10 +104,11 @@
#define IGC_RLPML 0x05004 /* Rx Long Packet Max Length */
#define IGC_RFCTL 0x05008 /* Receive Filter Control*/
#define IGC_MTA 0x05200 /* Multicast Table Array - RW Array */
+#define IGC_RA 0x05400 /* Receive Address - RW Array */
#define IGC_UTA 0x0A000 /* Unicast Table Array - RW */
#define IGC_RAL(_n) (0x05400 + ((_n) * 0x08))
#define IGC_RAH(_n) (0x05404 + ((_n) * 0x08))
-#define IGC_VLAPQF 0x055B0 /* VLAN Priority Queue Filter VLAPQF */
+#define IGC_VLANPQF 0x055B0 /* VLAN Priority Queue Filter - RW */
/* Transmit Register Descriptions */
#define IGC_TCTL 0x00400 /* Tx Control - RW */
@@ -138,13 +124,9 @@
#define IGC_MMDAC 13 /* MMD Access Control */
#define IGC_MMDAAD 14 /* MMD Access Address/Data */
-/* Good transmitted packets counter registers */
-#define IGC_PQGPTC(_n) (0x010014 + (0x100 * (_n)))
-
/* Statistics Register Descriptions */
#define IGC_CRCERRS 0x04000 /* CRC Error Count - R/clr */
#define IGC_ALGNERRC 0x04004 /* Alignment Error Count - R/clr */
-#define IGC_SYMERRS 0x04008 /* Symbol Error Count - R/clr */
#define IGC_RXERRC 0x0400C /* Receive Error Count - R/clr */
#define IGC_MPC 0x04010 /* Missed Packet Count - R/clr */
#define IGC_SCC 0x04014 /* Single Collision Count - R/clr */
@@ -152,10 +134,10 @@
#define IGC_MCC 0x0401C /* Multiple Collision Count - R/clr */
#define IGC_LATECOL 0x04020 /* Late Collision Count - R/clr */
#define IGC_COLC 0x04028 /* Collision Count - R/clr */
+#define IGC_RERC 0x0402C /* Receive Error Count - R/clr */
#define IGC_DC 0x04030 /* Defer Count - R/clr */
#define IGC_TNCRS 0x04034 /* Tx-No CRS - R/clr */
-#define IGC_SEC 0x04038 /* Sequence Error Count - R/clr */
-#define IGC_CEXTERR 0x0403C /* Carrier Extension Error Count - R/clr */
+#define IGC_HTDPMC 0x0403C /* Host Transmit Discarded by MAC - R/clr */
#define IGC_RLEC 0x04040 /* Receive Length Error Count - R/clr */
#define IGC_XONRXC 0x04048 /* XON Rx Count - R/clr */
#define IGC_XONTXC 0x0404C /* XON Tx Count - R/clr */
@@ -213,7 +195,6 @@
#define IGC_HGOTCL 0x04130 /* Host Good Octets Transmit Count Low */
#define IGC_HGOTCH 0x04134 /* Host Good Octets Transmit Count High */
#define IGC_LENERRS 0x04138 /* Length Errors Count */
-#define IGC_HRMPC 0x0A018 /* Header Redirection Missed Packet Count */
/* Time sync registers */
#define IGC_TSICR 0x0B66C /* Time Sync Interrupt Cause */
@@ -229,7 +210,17 @@
#define IGC_FTQF(_n) (0x059E0 + (4 * (_n))) /* 5-tuple Queue Fltr */
-#define IGC_RXPBS 0x02404 /* Rx Packet Buffer Size - RW */
+/* Transmit Scheduling Registers */
+#define IGC_TQAVCTRL 0x3570
+#define IGC_TXQCTL(_n) (0x3344 + 0x4 * (_n))
+#define IGC_BASET_L 0x3314
+#define IGC_BASET_H 0x3318
+#define IGC_QBVCYCLET 0x331C
+#define IGC_QBVCYCLET_S 0x3320
+
+#define IGC_STQT(_n) (0x3324 + 0x4 * (_n))
+#define IGC_ENDQT(_n) (0x3334 + 0x4 * (_n))
+#define IGC_DTXMXPKTSZ 0x355C
/* System Time Registers */
#define IGC_SYSTIML 0x0B600 /* System time register Low - RO */
@@ -265,8 +256,7 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg);
#define wr32(reg, val) \
do { \
u8 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \
- if (!IGC_REMOVED(hw_addr)) \
- writel((val), &hw_addr[(reg)]); \
+ writel((val), &hw_addr[(reg)]); \
} while (0)
#define rd32(reg) (igc_rd32(hw, reg))
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c
new file mode 100644
index 000000000000..174103c4bea6
--- /dev/null
+++ b/drivers/net/ethernet/intel/igc/igc_tsn.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 Intel Corporation */
+
+#include "igc.h"
+#include "igc_tsn.h"
+
+static bool is_any_launchtime(struct igc_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ struct igc_ring *ring = adapter->tx_ring[i];
+
+ if (ring->launchtime_enable)
+ return true;
+ }
+
+ return false;
+}
+
+/* Returns the TSN specific registers to their default values after
+ * TSN offloading is disabled.
+ */
+static int igc_tsn_disable_offload(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 tqavctrl;
+ int i;
+
+ if (!(adapter->flags & IGC_FLAG_TSN_QBV_ENABLED))
+ return 0;
+
+ adapter->cycle_time = 0;
+
+ wr32(IGC_TXPBS, I225_TXPBSIZE_DEFAULT);
+ wr32(IGC_DTXMXPKTSZ, IGC_DTXMXPKTSZ_DEFAULT);
+
+ tqavctrl = rd32(IGC_TQAVCTRL);
+ tqavctrl &= ~(IGC_TQAVCTRL_TRANSMIT_MODE_TSN |
+ IGC_TQAVCTRL_ENHANCED_QAV);
+ wr32(IGC_TQAVCTRL, tqavctrl);
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ struct igc_ring *ring = adapter->tx_ring[i];
+
+ ring->start_time = 0;
+ ring->end_time = 0;
+ ring->launchtime_enable = false;
+
+ wr32(IGC_TXQCTL(i), 0);
+ wr32(IGC_STQT(i), 0);
+ wr32(IGC_ENDQT(i), NSEC_PER_SEC);
+ }
+
+ wr32(IGC_QBVCYCLET_S, NSEC_PER_SEC);
+ wr32(IGC_QBVCYCLET, NSEC_PER_SEC);
+
+ adapter->flags &= ~IGC_FLAG_TSN_QBV_ENABLED;
+
+ return 0;
+}
+
+static int igc_tsn_enable_offload(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 tqavctrl, baset_l, baset_h;
+ u32 sec, nsec, cycle;
+ ktime_t base_time, systim;
+ int i;
+
+ if (adapter->flags & IGC_FLAG_TSN_QBV_ENABLED)
+ return 0;
+
+ cycle = adapter->cycle_time;
+ base_time = adapter->base_time;
+
+ wr32(IGC_TSAUXC, 0);
+ wr32(IGC_DTXMXPKTSZ, IGC_DTXMXPKTSZ_TSN);
+ wr32(IGC_TXPBS, IGC_TXPBSIZE_TSN);
+
+ tqavctrl = rd32(IGC_TQAVCTRL);
+ tqavctrl |= IGC_TQAVCTRL_TRANSMIT_MODE_TSN | IGC_TQAVCTRL_ENHANCED_QAV;
+ wr32(IGC_TQAVCTRL, tqavctrl);
+
+ wr32(IGC_QBVCYCLET_S, cycle);
+ wr32(IGC_QBVCYCLET, cycle);
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ struct igc_ring *ring = adapter->tx_ring[i];
+ u32 txqctl = 0;
+
+ wr32(IGC_STQT(i), ring->start_time);
+ wr32(IGC_ENDQT(i), ring->end_time);
+
+ if (adapter->base_time) {
+ /* If we have a base_time we are in "taprio"
+ * mode and we need to be strict about the
+ * cycles: only transmit a packet if it can be
+ * completed during that cycle.
+ */
+ txqctl |= IGC_TXQCTL_STRICT_CYCLE |
+ IGC_TXQCTL_STRICT_END;
+ }
+
+ if (ring->launchtime_enable)
+ txqctl |= IGC_TXQCTL_QUEUE_MODE_LAUNCHT;
+
+ wr32(IGC_TXQCTL(i), txqctl);
+ }
+
+ nsec = rd32(IGC_SYSTIML);
+ sec = rd32(IGC_SYSTIMH);
+
+ systim = ktime_set(sec, nsec);
+
+ if (ktime_compare(systim, base_time) > 0) {
+ s64 n;
+
+ n = div64_s64(ktime_sub_ns(systim, base_time), cycle);
+ base_time = ktime_add_ns(base_time, (n + 1) * cycle);
+ }
+
+ baset_h = div_s64_rem(base_time, NSEC_PER_SEC, &baset_l);
+
+ wr32(IGC_BASET_H, baset_h);
+ wr32(IGC_BASET_L, baset_l);
+
+ adapter->flags |= IGC_FLAG_TSN_QBV_ENABLED;
+
+ return 0;
+}
+
+int igc_tsn_offload_apply(struct igc_adapter *adapter)
+{
+ bool is_any_enabled = adapter->base_time || is_any_launchtime(adapter);
+
+ if (!(adapter->flags & IGC_FLAG_TSN_QBV_ENABLED) && !is_any_enabled)
+ return 0;
+
+ if (!is_any_enabled) {
+ int err = igc_tsn_disable_offload(adapter);
+
+ if (err < 0)
+ return err;
+
+ /* The BASET registers aren't cleared when writing
+ * into them, force a reset if the interface is
+ * running.
+ */
+ if (netif_running(adapter->netdev))
+ schedule_work(&adapter->reset_task);
+
+ return 0;
+ }
+
+ return igc_tsn_enable_offload(adapter);
+}
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.h b/drivers/net/ethernet/intel/igc/igc_tsn.h
new file mode 100644
index 000000000000..f76bc86ddccd
--- /dev/null
+++ b/drivers/net/ethernet/intel/igc/igc_tsn.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Intel Corporation */
+
+#ifndef _IGC_TSN_H_
+#define _IGC_TSN_H_
+
+int igc_tsn_offload_apply(struct igc_adapter *adapter);
+
+#endif /* _IGC_BASE_H */
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 2833e4f041ce..5ddfc83a1e46 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -224,17 +224,17 @@ struct ixgbe_tx_buffer {
};
struct ixgbe_rx_buffer {
- struct sk_buff *skb;
- dma_addr_t dma;
union {
struct {
+ struct sk_buff *skb;
+ dma_addr_t dma;
struct page *page;
__u32 page_offset;
__u16 pagecnt_bias;
};
struct {
- void *addr;
- u64 handle;
+ bool discard;
+ struct xdp_buff *xdp;
};
};
};
@@ -351,7 +351,6 @@ struct ixgbe_ring {
};
struct xdp_rxq_info xdp_rxq;
struct xdp_umem *xsk_umem;
- struct zero_copy_allocator zca; /* ZC allocator anchor */
u16 ring_idx; /* {rx,tx,xdp}_ring back reference idx */
u16 rx_buf_len;
} ____cacheline_internodealigned_in_smp;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 0bd1294ba517..17357a12cbdc 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -64,8 +64,7 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
hw->mac.ops.check_link(hw, &speed, &link_up, false);
/* if link is down, assume supported */
if (link_up)
- supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
- true : false;
+ supported = speed == IXGBE_LINK_SPEED_1GB_FULL;
else
supported = true;
}
@@ -2243,7 +2242,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
}
/* Configure pause time (2 TCs per register) */
- reg = hw->fc.pause_time * 0x00010001;
+ reg = hw->fc.pause_time * 0x00010001U;
for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 718931d951bc..f162b8b8f345 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -35,7 +35,7 @@
#include <net/tc_act/tc_mirred.h>
#include <net/vxlan.h>
#include <net/mpls.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/xfrm.h>
#include "ixgbe.h"
@@ -2215,7 +2215,7 @@ static struct sk_buff *ixgbe_run_xdp(struct ixgbe_adapter *adapter,
case XDP_PASS:
break;
case XDP_TX:
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf)) {
result = IXGBE_XDP_CONSUMED;
break;
@@ -2244,19 +2244,30 @@ xdp_out:
return ERR_PTR(-result);
}
+static unsigned int ixgbe_rx_frame_truesize(struct ixgbe_ring *rx_ring,
+ unsigned int size)
+{
+ unsigned int truesize;
+
+#if (PAGE_SIZE < 8192)
+ truesize = ixgbe_rx_pg_size(rx_ring) / 2; /* Must be power-of-2 */
+#else
+ truesize = ring_uses_build_skb(rx_ring) ?
+ SKB_DATA_ALIGN(IXGBE_SKB_PAD + size) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
+ SKB_DATA_ALIGN(size);
+#endif
+ return truesize;
+}
+
static void ixgbe_rx_buffer_flip(struct ixgbe_ring *rx_ring,
struct ixgbe_rx_buffer *rx_buffer,
unsigned int size)
{
+ unsigned int truesize = ixgbe_rx_frame_truesize(rx_ring, size);
#if (PAGE_SIZE < 8192)
- unsigned int truesize = ixgbe_rx_pg_size(rx_ring) / 2;
-
rx_buffer->page_offset ^= truesize;
#else
- unsigned int truesize = ring_uses_build_skb(rx_ring) ?
- SKB_DATA_ALIGN(IXGBE_SKB_PAD + size) :
- SKB_DATA_ALIGN(size);
-
rx_buffer->page_offset += truesize;
#endif
}
@@ -2290,6 +2301,11 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
xdp.rxq = &rx_ring->xdp_rxq;
+ /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */
+#if (PAGE_SIZE < 8192)
+ xdp.frame_sz = ixgbe_rx_frame_truesize(rx_ring, 0);
+#endif
+
while (likely(total_rx_packets < budget)) {
union ixgbe_adv_rx_desc *rx_desc;
struct ixgbe_rx_buffer *rx_buffer;
@@ -2323,7 +2339,10 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
xdp.data_hard_start = xdp.data -
ixgbe_rx_offset(rx_ring);
xdp.data_end = xdp.data + size;
-
+#if (PAGE_SIZE > 4096)
+ /* At larger PAGE_SIZE, frame_sz depend on len size */
+ xdp.frame_sz = ixgbe_rx_frame_truesize(rx_ring, size);
+#endif
skb = ixgbe_run_xdp(adapter, rx_ring, &xdp);
}
@@ -2954,35 +2973,6 @@ static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
/* skip the flush */
}
-static inline void ixgbe_irq_disable_queues(struct ixgbe_adapter *adapter,
- u64 qmask)
-{
- u32 mask;
- struct ixgbe_hw *hw = &adapter->hw;
-
- switch (hw->mac.type) {
- case ixgbe_mac_82598EB:
- mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
- IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask);
- break;
- case ixgbe_mac_82599EB:
- case ixgbe_mac_X540:
- case ixgbe_mac_X550:
- case ixgbe_mac_X550EM_x:
- case ixgbe_mac_x550em_a:
- mask = (qmask & 0xFFFFFFFF);
- if (mask)
- IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask);
- mask = (qmask >> 32);
- if (mask)
- IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask);
- break;
- default:
- break;
- }
- /* skip the flush */
-}
-
/**
* ixgbe_irq_enable - Enable default interrupt generation settings
* @adapter: board private structure
@@ -3726,8 +3716,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
/* configure the packet buffer length */
if (rx_ring->xsk_umem) {
- u32 xsk_buf_len = rx_ring->xsk_umem->chunk_size_nohr -
- XDP_PACKET_HEADROOM;
+ u32 xsk_buf_len = xsk_umem_get_rx_frame_size(rx_ring->xsk_umem);
/* If the MAC support setting RXDCTL.RLPML, the
* SRRCTL[n].BSIZEPKT is set to PAGE_SIZE and
@@ -4074,11 +4063,10 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
ring->xsk_umem = ixgbe_xsk_umem(adapter, ring);
if (ring->xsk_umem) {
- ring->zca.free = ixgbe_zca_free;
WARN_ON(xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
- MEM_TYPE_ZERO_COPY,
- &ring->zca));
-
+ MEM_TYPE_XSK_BUFF_POOL,
+ NULL));
+ xsk_buff_set_rxq_info(ring->xsk_umem, &ring->xdp_rxq);
} else {
WARN_ON(xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_PAGE_SHARED, NULL));
@@ -4134,8 +4122,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter,
}
if (ring->xsk_umem && hw->mac.type != ixgbe_mac_82599EB) {
- u32 xsk_buf_len = ring->xsk_umem->chunk_size_nohr -
- XDP_PACKET_HEADROOM;
+ u32 xsk_buf_len = xsk_umem_get_rx_frame_size(ring->xsk_umem);
rxdctl &= ~(IXGBE_RXDCTL_RLPMLMASK |
IXGBE_RXDCTL_RLPML_EN);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 537dfff585e0..d05a5690e66b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -102,7 +102,7 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
* indirection table and RSS hash key with PF therefore
* we want to disable the querying by default.
*/
- adapter->vfinfo[i].rss_query_enabled = 0;
+ adapter->vfinfo[i].rss_query_enabled = false;
/* Untrust all VFs */
adapter->vfinfo[i].trusted = false;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
index 6d01700b46bc..7887ae4aaf4f 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_txrx_common.h
@@ -35,7 +35,7 @@ int ixgbe_xsk_umem_setup(struct ixgbe_adapter *adapter, struct xdp_umem *umem,
void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle);
-void ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count);
+bool ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count);
int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
struct ixgbe_ring *rx_ring,
const int budget);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
index 74b540ebb3dc..be9d2a8da515 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c
@@ -2,7 +2,7 @@
/* Copyright(c) 2018 Intel Corporation. */
#include <linux/bpf_trace.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/xdp.h>
#include "ixgbe.h"
@@ -20,54 +20,11 @@ struct xdp_umem *ixgbe_xsk_umem(struct ixgbe_adapter *adapter,
return xdp_get_umem_from_qid(adapter->netdev, qid);
}
-static int ixgbe_xsk_umem_dma_map(struct ixgbe_adapter *adapter,
- struct xdp_umem *umem)
-{
- struct device *dev = &adapter->pdev->dev;
- unsigned int i, j;
- dma_addr_t dma;
-
- for (i = 0; i < umem->npgs; i++) {
- dma = dma_map_page_attrs(dev, umem->pgs[i], 0, PAGE_SIZE,
- DMA_BIDIRECTIONAL, IXGBE_RX_DMA_ATTR);
- if (dma_mapping_error(dev, dma))
- goto out_unmap;
-
- umem->pages[i].dma = dma;
- }
-
- return 0;
-
-out_unmap:
- for (j = 0; j < i; j++) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, IXGBE_RX_DMA_ATTR);
- umem->pages[i].dma = 0;
- }
-
- return -1;
-}
-
-static void ixgbe_xsk_umem_dma_unmap(struct ixgbe_adapter *adapter,
- struct xdp_umem *umem)
-{
- struct device *dev = &adapter->pdev->dev;
- unsigned int i;
-
- for (i = 0; i < umem->npgs; i++) {
- dma_unmap_page_attrs(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL, IXGBE_RX_DMA_ATTR);
-
- umem->pages[i].dma = 0;
- }
-}
-
static int ixgbe_xsk_umem_enable(struct ixgbe_adapter *adapter,
struct xdp_umem *umem,
u16 qid)
{
struct net_device *netdev = adapter->netdev;
- struct xdp_umem_fq_reuse *reuseq;
bool if_running;
int err;
@@ -78,13 +35,7 @@ static int ixgbe_xsk_umem_enable(struct ixgbe_adapter *adapter,
qid >= netdev->real_num_tx_queues)
return -EINVAL;
- reuseq = xsk_reuseq_prepare(adapter->rx_ring[0]->count);
- if (!reuseq)
- return -ENOMEM;
-
- xsk_reuseq_free(xsk_reuseq_swap(umem, reuseq));
-
- err = ixgbe_xsk_umem_dma_map(adapter, umem);
+ err = xsk_buff_dma_map(umem, &adapter->pdev->dev, IXGBE_RX_DMA_ATTR);
if (err)
return err;
@@ -124,7 +75,7 @@ static int ixgbe_xsk_umem_disable(struct ixgbe_adapter *adapter, u16 qid)
ixgbe_txrx_ring_disable(adapter, qid);
clear_bit(qid, adapter->af_xdp_zc_qps);
- ixgbe_xsk_umem_dma_unmap(adapter, umem);
+ xsk_buff_dma_unmap(umem, IXGBE_RX_DMA_ATTR);
if (if_running)
ixgbe_txrx_ring_enable(adapter, qid);
@@ -143,25 +94,20 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter,
struct ixgbe_ring *rx_ring,
struct xdp_buff *xdp)
{
- struct xdp_umem *umem = rx_ring->xsk_umem;
int err, result = IXGBE_XDP_PASS;
struct bpf_prog *xdp_prog;
struct xdp_frame *xdpf;
- u64 offset;
u32 act;
rcu_read_lock();
xdp_prog = READ_ONCE(rx_ring->xdp_prog);
act = bpf_prog_run_xdp(xdp_prog, xdp);
- offset = xdp->data - xdp->data_hard_start;
-
- xdp->handle = xsk_umem_adjust_offset(umem, xdp->handle, offset);
switch (act) {
case XDP_PASS:
break;
case XDP_TX:
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf)) {
result = IXGBE_XDP_CONSUMED;
break;
@@ -186,140 +132,16 @@ static int ixgbe_run_xdp_zc(struct ixgbe_adapter *adapter,
return result;
}
-static struct
-ixgbe_rx_buffer *ixgbe_get_rx_buffer_zc(struct ixgbe_ring *rx_ring,
- unsigned int size)
-{
- struct ixgbe_rx_buffer *bi;
-
- bi = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
-
- /* we are reusing so sync this buffer for CPU use */
- dma_sync_single_range_for_cpu(rx_ring->dev,
- bi->dma, 0,
- size,
- DMA_BIDIRECTIONAL);
-
- return bi;
-}
-
-static void ixgbe_reuse_rx_buffer_zc(struct ixgbe_ring *rx_ring,
- struct ixgbe_rx_buffer *obi)
-{
- u16 nta = rx_ring->next_to_alloc;
- struct ixgbe_rx_buffer *nbi;
-
- nbi = &rx_ring->rx_buffer_info[rx_ring->next_to_alloc];
- /* update, and store next to alloc */
- nta++;
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- /* transfer page from old buffer to new buffer */
- nbi->dma = obi->dma;
- nbi->addr = obi->addr;
- nbi->handle = obi->handle;
-
- obi->addr = NULL;
- obi->skb = NULL;
-}
-
-void ixgbe_zca_free(struct zero_copy_allocator *alloc, unsigned long handle)
-{
- struct ixgbe_rx_buffer *bi;
- struct ixgbe_ring *rx_ring;
- u64 hr, mask;
- u16 nta;
-
- rx_ring = container_of(alloc, struct ixgbe_ring, zca);
- hr = rx_ring->xsk_umem->headroom + XDP_PACKET_HEADROOM;
- mask = rx_ring->xsk_umem->chunk_mask;
-
- nta = rx_ring->next_to_alloc;
- bi = rx_ring->rx_buffer_info;
-
- nta++;
- rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
-
- handle &= mask;
-
- bi->dma = xdp_umem_get_dma(rx_ring->xsk_umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(rx_ring->xsk_umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(rx_ring->xsk_umem, (u64)handle,
- rx_ring->xsk_umem->headroom);
-}
-
-static bool ixgbe_alloc_buffer_zc(struct ixgbe_ring *rx_ring,
- struct ixgbe_rx_buffer *bi)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- void *addr = bi->addr;
- u64 handle, hr;
-
- if (addr)
- return true;
-
- if (!xsk_umem_peek_addr(umem, &handle)) {
- rx_ring->rx_stats.alloc_rx_page_failed++;
- return false;
- }
-
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- bi->dma = xdp_umem_get_dma(umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(umem, handle, umem->headroom);
-
- xsk_umem_release_addr(umem);
- return true;
-}
-
-static bool ixgbe_alloc_buffer_slow_zc(struct ixgbe_ring *rx_ring,
- struct ixgbe_rx_buffer *bi)
-{
- struct xdp_umem *umem = rx_ring->xsk_umem;
- u64 handle, hr;
-
- if (!xsk_umem_peek_addr_rq(umem, &handle)) {
- rx_ring->rx_stats.alloc_rx_page_failed++;
- return false;
- }
-
- handle &= rx_ring->xsk_umem->chunk_mask;
-
- hr = umem->headroom + XDP_PACKET_HEADROOM;
-
- bi->dma = xdp_umem_get_dma(umem, handle);
- bi->dma += hr;
-
- bi->addr = xdp_umem_get_data(umem, handle);
- bi->addr += hr;
-
- bi->handle = xsk_umem_adjust_offset(umem, handle, umem->headroom);
-
- xsk_umem_release_addr_rq(umem);
- return true;
-}
-
-static __always_inline bool
-__ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count,
- bool alloc(struct ixgbe_ring *rx_ring,
- struct ixgbe_rx_buffer *bi))
+bool ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 count)
{
union ixgbe_adv_rx_desc *rx_desc;
struct ixgbe_rx_buffer *bi;
u16 i = rx_ring->next_to_use;
+ dma_addr_t dma;
bool ok = true;
/* nothing to do */
- if (!cleaned_count)
+ if (!count)
return true;
rx_desc = IXGBE_RX_DESC(rx_ring, i);
@@ -327,21 +149,18 @@ __ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count,
i -= rx_ring->count;
do {
- if (!alloc(rx_ring, bi)) {
+ bi->xdp = xsk_buff_alloc(rx_ring->xsk_umem);
+ if (!bi->xdp) {
ok = false;
break;
}
- /* sync the buffer for use by the device */
- dma_sync_single_range_for_device(rx_ring->dev, bi->dma,
- bi->page_offset,
- rx_ring->rx_buf_len,
- DMA_BIDIRECTIONAL);
+ dma = xsk_buff_xdp_get_dma(bi->xdp);
/* Refresh the desc even if buffer_addrs didn't change
* because each write-back erases this info.
*/
- rx_desc->read.pkt_addr = cpu_to_le64(bi->dma);
+ rx_desc->read.pkt_addr = cpu_to_le64(dma);
rx_desc++;
bi++;
@@ -355,17 +174,14 @@ __ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count,
/* clear the length for the next_to_use descriptor */
rx_desc->wb.upper.length = 0;
- cleaned_count--;
- } while (cleaned_count);
+ count--;
+ } while (count);
i += rx_ring->count;
if (rx_ring->next_to_use != i) {
rx_ring->next_to_use = i;
- /* update next to alloc since we have filled the ring */
- rx_ring->next_to_alloc = i;
-
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,
@@ -378,40 +194,27 @@ __ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 cleaned_count,
return ok;
}
-void ixgbe_alloc_rx_buffers_zc(struct ixgbe_ring *rx_ring, u16 count)
-{
- __ixgbe_alloc_rx_buffers_zc(rx_ring, count,
- ixgbe_alloc_buffer_slow_zc);
-}
-
-static bool ixgbe_alloc_rx_buffers_fast_zc(struct ixgbe_ring *rx_ring,
- u16 count)
-{
- return __ixgbe_alloc_rx_buffers_zc(rx_ring, count,
- ixgbe_alloc_buffer_zc);
-}
-
static struct sk_buff *ixgbe_construct_skb_zc(struct ixgbe_ring *rx_ring,
- struct ixgbe_rx_buffer *bi,
- struct xdp_buff *xdp)
+ struct ixgbe_rx_buffer *bi)
{
- unsigned int metasize = xdp->data - xdp->data_meta;
- unsigned int datasize = xdp->data_end - xdp->data;
+ unsigned int metasize = bi->xdp->data - bi->xdp->data_meta;
+ unsigned int datasize = bi->xdp->data_end - bi->xdp->data;
struct sk_buff *skb;
/* allocate a skb to store the frags */
skb = __napi_alloc_skb(&rx_ring->q_vector->napi,
- xdp->data_end - xdp->data_hard_start,
+ bi->xdp->data_end - bi->xdp->data_hard_start,
GFP_ATOMIC | __GFP_NOWARN);
if (unlikely(!skb))
return NULL;
- skb_reserve(skb, xdp->data - xdp->data_hard_start);
- memcpy(__skb_put(skb, datasize), xdp->data, datasize);
+ skb_reserve(skb, bi->xdp->data - bi->xdp->data_hard_start);
+ memcpy(__skb_put(skb, datasize), bi->xdp->data, datasize);
if (metasize)
skb_metadata_set(skb, metasize);
- ixgbe_reuse_rx_buffer_zc(rx_ring, bi);
+ xsk_buff_free(bi->xdp);
+ bi->xdp = NULL;
return skb;
}
@@ -434,9 +237,6 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
unsigned int xdp_res, xdp_xmit = 0;
bool failure = false;
struct sk_buff *skb;
- struct xdp_buff xdp;
-
- xdp.rxq = &rx_ring->xdp_rxq;
while (likely(total_rx_packets < budget)) {
union ixgbe_adv_rx_desc *rx_desc;
@@ -446,8 +246,8 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
/* return some buffers to hardware, one at a time is too slow */
if (cleaned_count >= IXGBE_RX_BUFFER_WRITE) {
failure = failure ||
- !ixgbe_alloc_rx_buffers_fast_zc(rx_ring,
- cleaned_count);
+ !ixgbe_alloc_rx_buffers_zc(rx_ring,
+ cleaned_count);
cleaned_count = 0;
}
@@ -462,42 +262,40 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
*/
dma_rmb();
- bi = ixgbe_get_rx_buffer_zc(rx_ring, size);
+ bi = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
if (unlikely(!ixgbe_test_staterr(rx_desc,
IXGBE_RXD_STAT_EOP))) {
struct ixgbe_rx_buffer *next_bi;
- ixgbe_reuse_rx_buffer_zc(rx_ring, bi);
+ xsk_buff_free(bi->xdp);
+ bi->xdp = NULL;
ixgbe_inc_ntc(rx_ring);
next_bi =
&rx_ring->rx_buffer_info[rx_ring->next_to_clean];
- next_bi->skb = ERR_PTR(-EINVAL);
+ next_bi->discard = true;
continue;
}
- if (unlikely(bi->skb)) {
- ixgbe_reuse_rx_buffer_zc(rx_ring, bi);
+ if (unlikely(bi->discard)) {
+ xsk_buff_free(bi->xdp);
+ bi->xdp = NULL;
+ bi->discard = false;
ixgbe_inc_ntc(rx_ring);
continue;
}
- xdp.data = bi->addr;
- xdp.data_meta = xdp.data;
- xdp.data_hard_start = xdp.data - XDP_PACKET_HEADROOM;
- xdp.data_end = xdp.data + size;
- xdp.handle = bi->handle;
-
- xdp_res = ixgbe_run_xdp_zc(adapter, rx_ring, &xdp);
+ bi->xdp->data_end = bi->xdp->data + size;
+ xsk_buff_dma_sync_for_cpu(bi->xdp);
+ xdp_res = ixgbe_run_xdp_zc(adapter, rx_ring, bi->xdp);
if (xdp_res) {
- if (xdp_res & (IXGBE_XDP_TX | IXGBE_XDP_REDIR)) {
+ if (xdp_res & (IXGBE_XDP_TX | IXGBE_XDP_REDIR))
xdp_xmit |= xdp_res;
- bi->addr = NULL;
- bi->skb = NULL;
- } else {
- ixgbe_reuse_rx_buffer_zc(rx_ring, bi);
- }
+ else
+ xsk_buff_free(bi->xdp);
+
+ bi->xdp = NULL;
total_rx_packets++;
total_rx_bytes += size;
@@ -507,7 +305,7 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
}
/* XDP_PASS path */
- skb = ixgbe_construct_skb_zc(rx_ring, bi, &xdp);
+ skb = ixgbe_construct_skb_zc(rx_ring, bi);
if (!skb) {
rx_ring->rx_stats.alloc_rx_buff_failed++;
break;
@@ -559,17 +357,17 @@ int ixgbe_clean_rx_irq_zc(struct ixgbe_q_vector *q_vector,
void ixgbe_xsk_clean_rx_ring(struct ixgbe_ring *rx_ring)
{
- u16 i = rx_ring->next_to_clean;
- struct ixgbe_rx_buffer *bi = &rx_ring->rx_buffer_info[i];
+ struct ixgbe_rx_buffer *bi;
+ u16 i;
- while (i != rx_ring->next_to_alloc) {
- xsk_umem_fq_reuse(rx_ring->xsk_umem, bi->handle);
- i++;
- bi++;
- if (i == rx_ring->count) {
- i = 0;
- bi = rx_ring->rx_buffer_info;
- }
+ for (i = 0; i < rx_ring->count; i++) {
+ bi = &rx_ring->rx_buffer_info[i];
+
+ if (!bi->xdp)
+ continue;
+
+ xsk_buff_free(bi->xdp);
+ bi->xdp = NULL;
}
}
@@ -592,10 +390,9 @@ static bool ixgbe_xmit_zc(struct ixgbe_ring *xdp_ring, unsigned int budget)
if (!xsk_umem_consume_tx(xdp_ring->xsk_umem, &desc))
break;
- dma = xdp_umem_get_dma(xdp_ring->xsk_umem, desc.addr);
-
- dma_sync_single_for_device(xdp_ring->dev, dma, desc.len,
- DMA_BIDIRECTIONAL);
+ dma = xsk_buff_raw_get_dma(xdp_ring->xsk_umem, desc.addr);
+ xsk_buff_raw_dma_sync_for_device(xdp_ring->xsk_umem, dma,
+ desc.len);
tx_bi = &xdp_ring->tx_buffer_info[xdp_ring->next_to_use];
tx_bi->bytecount = desc.len;
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 4622c4ea2e46..a39e2cb384dd 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1095,19 +1095,31 @@ xdp_out:
return ERR_PTR(-result);
}
+static unsigned int ixgbevf_rx_frame_truesize(struct ixgbevf_ring *rx_ring,
+ unsigned int size)
+{
+ unsigned int truesize;
+
+#if (PAGE_SIZE < 8192)
+ truesize = ixgbevf_rx_pg_size(rx_ring) / 2; /* Must be power-of-2 */
+#else
+ truesize = ring_uses_build_skb(rx_ring) ?
+ SKB_DATA_ALIGN(IXGBEVF_SKB_PAD + size) +
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
+ SKB_DATA_ALIGN(size);
+#endif
+ return truesize;
+}
+
static void ixgbevf_rx_buffer_flip(struct ixgbevf_ring *rx_ring,
struct ixgbevf_rx_buffer *rx_buffer,
unsigned int size)
{
-#if (PAGE_SIZE < 8192)
- unsigned int truesize = ixgbevf_rx_pg_size(rx_ring) / 2;
+ unsigned int truesize = ixgbevf_rx_frame_truesize(rx_ring, size);
+#if (PAGE_SIZE < 8192)
rx_buffer->page_offset ^= truesize;
#else
- unsigned int truesize = ring_uses_build_skb(rx_ring) ?
- SKB_DATA_ALIGN(IXGBEVF_SKB_PAD + size) :
- SKB_DATA_ALIGN(size);
-
rx_buffer->page_offset += truesize;
#endif
}
@@ -1125,6 +1137,11 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,
xdp.rxq = &rx_ring->xdp_rxq;
+ /* Frame size depend on rx_ring setup when PAGE_SIZE=4K */
+#if (PAGE_SIZE < 8192)
+ xdp.frame_sz = ixgbevf_rx_frame_truesize(rx_ring, 0);
+#endif
+
while (likely(total_rx_packets < budget)) {
struct ixgbevf_rx_buffer *rx_buffer;
union ixgbe_adv_rx_desc *rx_desc;
@@ -1157,7 +1174,10 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,
xdp.data_hard_start = xdp.data -
ixgbevf_rx_offset(rx_ring);
xdp.data_end = xdp.data + size;
-
+#if (PAGE_SIZE > 4096)
+ /* At larger PAGE_SIZE, frame_sz depend on len size */
+ xdp.frame_sz = ixgbevf_rx_frame_truesize(rx_ring, size);
+#endif
skb = ixgbevf_run_xdp(adapter, rx_ring, &xdp);
}
diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c
index 900affbdcc0e..1645e4e7ebdb 100644
--- a/drivers/net/ethernet/lantiq_xrx200.c
+++ b/drivers/net/ethernet/lantiq_xrx200.c
@@ -276,7 +276,8 @@ static int xrx200_tx_housekeeping(struct napi_struct *napi, int budget)
return pkts;
}
-static int xrx200_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
+static netdev_tx_t xrx200_start_xmit(struct sk_buff *skb,
+ struct net_device *net_dev)
{
struct xrx200_priv *priv = netdev_priv(net_dev);
struct xrx200_chan *ch = &priv->chan_tx;
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 81d24481b22c..4d4b6243318a 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -666,11 +666,6 @@ static inline unsigned int has_tiny_unaligned_frags(struct sk_buff *skb)
return 0;
}
-static inline __be16 sum16_as_be(__sum16 sum)
-{
- return (__force __be16)sum;
-}
-
static int skb_tx_csum(struct mv643xx_eth_private *mp, struct sk_buff *skb,
u16 *l4i_chk, u32 *command, int length)
{
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 51889770958d..011cd26953d9 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -324,7 +324,8 @@
ETH_HLEN + ETH_FCS_LEN, \
cache_line_size())
-#define MVNETA_SKB_HEADROOM max(XDP_PACKET_HEADROOM, NET_SKB_PAD)
+/* Driver assumes that the last 3 bits are 0 */
+#define MVNETA_SKB_HEADROOM (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) & ~0x7)
#define MVNETA_SKB_PAD (SKB_DATA_ALIGN(sizeof(struct skb_shared_info) + \
MVNETA_SKB_HEADROOM))
#define MVNETA_SKB_SIZE(len) (SKB_DATA_ALIGN(len) + MVNETA_SKB_PAD)
@@ -2072,7 +2073,7 @@ mvneta_xdp_xmit_back(struct mvneta_port *pp, struct xdp_buff *xdp)
int cpu;
u32 ret;
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return MVNETA_XDP_DROPPED;
@@ -2148,12 +2149,17 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
struct bpf_prog *prog, struct xdp_buff *xdp,
struct mvneta_stats *stats)
{
- unsigned int len;
+ unsigned int len, sync;
+ struct page *page;
u32 ret, act;
len = xdp->data_end - xdp->data_hard_start - pp->rx_offset_correction;
act = bpf_prog_run_xdp(prog, xdp);
+ /* Due xdp_adjust_tail: DMA sync for_device cover max len CPU touch */
+ sync = xdp->data_end - xdp->data_hard_start - pp->rx_offset_correction;
+ sync = max(sync, len);
+
switch (act) {
case XDP_PASS:
stats->xdp_pass++;
@@ -2164,9 +2170,8 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
err = xdp_do_redirect(pp->dev, xdp, prog);
if (unlikely(err)) {
ret = MVNETA_XDP_DROPPED;
- page_pool_put_page(rxq->page_pool,
- virt_to_head_page(xdp->data), len,
- true);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(rxq->page_pool, page, sync, true);
} else {
ret = MVNETA_XDP_REDIR;
stats->xdp_redirect++;
@@ -2175,10 +2180,10 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
}
case XDP_TX:
ret = mvneta_xdp_xmit_back(pp, xdp);
- if (ret != MVNETA_XDP_TX)
- page_pool_put_page(rxq->page_pool,
- virt_to_head_page(xdp->data), len,
- true);
+ if (ret != MVNETA_XDP_TX) {
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(rxq->page_pool, page, sync, true);
+ }
break;
default:
bpf_warn_invalid_xdp_action(act);
@@ -2187,8 +2192,8 @@ mvneta_run_xdp(struct mvneta_port *pp, struct mvneta_rx_queue *rxq,
trace_xdp_exception(pp->dev, prog, act);
/* fall through */
case XDP_DROP:
- page_pool_put_page(rxq->page_pool,
- virt_to_head_page(xdp->data), len, true);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(rxq->page_pool, page, sync, true);
ret = MVNETA_XDP_DROPPED;
stats->xdp_drop++;
break;
@@ -2320,6 +2325,7 @@ static int mvneta_rx_swbm(struct napi_struct *napi,
rcu_read_lock();
xdp_prog = READ_ONCE(pp->xdp_prog);
xdp_buf.rxq = &rxq->xdp_rxq;
+ xdp_buf.frame_sz = PAGE_SIZE;
/* Fairness NAPI loop */
while (rx_proc < budget && rx_proc < rx_todo) {
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
index 8972cdd559e8..d4a4e241333d 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_cls.c
@@ -1070,7 +1070,7 @@ void mvpp2_cls_oversize_rxq_set(struct mvpp2_port *port)
(port->first_rxq >> MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS));
val = mvpp2_read(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG);
- val |= MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
+ val &= ~MVPP2_CLS_SWFWD_PCTRL_MASK(port->id);
mvpp2_write(port->priv, MVPP2_CLS_SWFWD_PCTRL_REG, val);
}
@@ -1428,6 +1428,9 @@ int mvpp2_ethtool_cls_rule_del(struct mvpp2_port *port,
struct mvpp2_ethtool_fs *efs;
int ret;
+ if (info->fs.location >= MVPP2_N_RFS_ENTRIES_PER_FLOW)
+ return -EINVAL;
+
efs = port->rfs_rules[info->fs.location];
if (!efs)
return -EINVAL;
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 1fa60e985b43..2b5dad2ec650 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -4329,6 +4329,8 @@ static int mvpp2_ethtool_get_rxfh_context(struct net_device *dev, u32 *indir,
if (!mvpp22_rss_is_supported())
return -EOPNOTSUPP;
+ if (rss_context >= MVPP22_N_RSS_TABLES)
+ return -EINVAL;
if (hfunc)
*hfunc = ETH_RSS_HASH_CRC32;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index f1d2dea90a8c..5975521a4c86 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -379,40 +379,35 @@ void otx2_config_irq_coalescing(struct otx2_nic *pfvf, int qidx)
(pfvf->hw.cq_ecount_wait - 1));
}
-dma_addr_t otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
- gfp_t gfp)
+dma_addr_t __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool)
{
dma_addr_t iova;
+ u8 *buf;
- /* Check if request can be accommodated in previous allocated page */
- if (pool->page && ((pool->page_offset + pool->rbsize) <=
- (PAGE_SIZE << pool->rbpage_order))) {
- pool->pageref++;
- goto ret;
- }
-
- otx2_get_page(pool);
-
- /* Allocate a new page */
- pool->page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN,
- pool->rbpage_order);
- if (unlikely(!pool->page))
+ buf = napi_alloc_frag(pool->rbsize);
+ if (unlikely(!buf))
return -ENOMEM;
- pool->page_offset = 0;
-ret:
- iova = (u64)otx2_dma_map_page(pfvf, pool->page, pool->page_offset,
- pool->rbsize, DMA_FROM_DEVICE);
- if (!iova) {
- if (!pool->page_offset)
- __free_pages(pool->page, pool->rbpage_order);
- pool->page = NULL;
+ iova = dma_map_single_attrs(pfvf->dev, buf, pool->rbsize,
+ DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
+ if (unlikely(dma_mapping_error(pfvf->dev, iova))) {
+ page_frag_free(buf);
return -ENOMEM;
}
- pool->page_offset += pool->rbsize;
+
return iova;
}
+static dma_addr_t otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool)
+{
+ dma_addr_t addr;
+
+ local_bh_disable();
+ addr = __otx2_alloc_rbuf(pfvf, pool);
+ local_bh_enable();
+ return addr;
+}
+
void otx2_tx_timeout(struct net_device *netdev, unsigned int txq)
{
struct otx2_nic *pfvf = netdev_priv(netdev);
@@ -805,7 +800,7 @@ static void otx2_pool_refill_task(struct work_struct *work)
free_ptrs = cq->pool_ptrs;
while (cq->pool_ptrs) {
- bufptr = otx2_alloc_rbuf(pfvf, rbpool, GFP_KERNEL);
+ bufptr = otx2_alloc_rbuf(pfvf, rbpool);
if (bufptr <= 0) {
/* Schedule a WQ if we fails to free atleast half of the
* pointers else enable napi for this RQ.
@@ -1064,7 +1059,6 @@ static int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
return err;
pool->rbsize = buf_size;
- pool->rbpage_order = get_order(buf_size);
/* Initialize this pool's context via AF */
aq = otx2_mbox_alloc_msg_npa_aq_enq(&pfvf->mbox);
@@ -1152,13 +1146,12 @@ int otx2_sq_aura_pool_init(struct otx2_nic *pfvf)
return -ENOMEM;
for (ptr = 0; ptr < num_sqbs; ptr++) {
- bufptr = otx2_alloc_rbuf(pfvf, pool, GFP_KERNEL);
+ bufptr = otx2_alloc_rbuf(pfvf, pool);
if (bufptr <= 0)
return bufptr;
otx2_aura_freeptr(pfvf, pool_id, bufptr);
sq->sqb_ptrs[sq->sqb_count++] = (u64)bufptr;
}
- otx2_get_page(pool);
}
return 0;
@@ -1204,13 +1197,12 @@ int otx2_rq_aura_pool_init(struct otx2_nic *pfvf)
for (pool_id = 0; pool_id < hw->rqpool_cnt; pool_id++) {
pool = &pfvf->qset.pool[pool_id];
for (ptr = 0; ptr < num_ptrs; ptr++) {
- bufptr = otx2_alloc_rbuf(pfvf, pool, GFP_KERNEL);
+ bufptr = otx2_alloc_rbuf(pfvf, pool);
if (bufptr <= 0)
return bufptr;
otx2_aura_freeptr(pfvf, pool_id,
bufptr + OTX2_HEAD_ROOM);
}
- otx2_get_page(pool);
}
return 0;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 018c283a0ac4..2fa29889522e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -309,7 +309,7 @@ static inline void __iomem *otx2_get_regaddr(struct otx2_nic *nic, u64 offset)
default:
blkaddr = BLKADDR_RVUM;
break;
- };
+ }
offset &= ~(RVU_FUNC_BLKADDR_MASK << RVU_FUNC_BLKADDR_SHIFT);
offset |= (blkaddr << RVU_FUNC_BLKADDR_SHIFT);
@@ -434,18 +434,6 @@ static inline void otx2_aura_freeptr(struct otx2_nic *pfvf,
otx2_get_regaddr(pfvf, NPA_LF_AURA_OP_FREE0));
}
-/* Update page ref count */
-static inline void otx2_get_page(struct otx2_pool *pool)
-{
- if (!pool->page)
- return;
-
- if (pool->pageref)
- page_ref_add(pool->page, pool->pageref);
- pool->pageref = 0;
- pool->page = NULL;
-}
-
static inline int otx2_get_pool_idx(struct otx2_nic *pfvf, int type, int idx)
{
if (type == AURA_NIX_SQ)
@@ -589,8 +577,7 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl);
int otx2_txsch_alloc(struct otx2_nic *pfvf);
int otx2_txschq_stop(struct otx2_nic *pfvf);
void otx2_sqb_flush(struct otx2_nic *pfvf);
-dma_addr_t otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool,
- gfp_t gfp);
+dma_addr_t __otx2_alloc_rbuf(struct otx2_nic *pfvf, struct otx2_pool *pool);
int otx2_rxtx_enable(struct otx2_nic *pfvf, bool enable);
void otx2_ctx_disable(struct mbox *mbox, int type, bool npa);
int otx2_nix_config_bp(struct otx2_nic *pfvf, bool enable);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 411e5ea1031e..64786568af0d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1856,13 +1856,17 @@ static int otx2_probe(struct pci_dev *pdev, const struct pci_device_id *id)
num_vec = pci_msix_vec_count(pdev);
hw->irq_name = devm_kmalloc_array(&hw->pdev->dev, num_vec, NAME_SIZE,
GFP_KERNEL);
- if (!hw->irq_name)
+ if (!hw->irq_name) {
+ err = -ENOMEM;
goto err_free_netdev;
+ }
hw->affinity_mask = devm_kcalloc(&hw->pdev->dev, num_vec,
sizeof(cpumask_var_t), GFP_KERNEL);
- if (!hw->affinity_mask)
+ if (!hw->affinity_mask) {
+ err = -ENOMEM;
goto err_free_netdev;
+ }
/* Map CSRs */
pf->reg_base = pcim_iomap(pdev, PCI_CFG_REG_BAR_NUM, 0);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 45abe0cd0e7b..b04f5429d72d 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -286,7 +286,7 @@ static int otx2_rx_napi_handler(struct otx2_nic *pfvf,
/* Refill pool with new buffers */
while (cq->pool_ptrs) {
- bufptr = otx2_alloc_rbuf(pfvf, cq->rbpool, GFP_ATOMIC);
+ bufptr = __otx2_alloc_rbuf(pfvf, cq->rbpool);
if (unlikely(bufptr <= 0)) {
struct refill_work *work;
struct delayed_work *dwork;
@@ -304,7 +304,6 @@ static int otx2_rx_napi_handler(struct otx2_nic *pfvf,
otx2_aura_freeptr(pfvf, cq->cq_idx, bufptr + OTX2_HEAD_ROOM);
cq->pool_ptrs--;
}
- otx2_get_page(cq->rbpool);
return processed_cqe;
}
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
index 4ab32d3adb78..da97f2d4416f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
@@ -113,11 +113,7 @@ struct otx2_cq_poll {
struct otx2_pool {
struct qmem *stack;
struct qmem *fc_addr;
- u8 rbpage_order;
u16 rbsize;
- u32 page_offset;
- u16 pageref;
- struct page *page;
};
struct otx2_cq_queue {
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 187c633a7af5..f4227517dc8e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -497,13 +497,17 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
hw->irq_name = devm_kmalloc_array(&hw->pdev->dev, num_vec, NAME_SIZE,
GFP_KERNEL);
- if (!hw->irq_name)
+ if (!hw->irq_name) {
+ err = -ENOMEM;
goto err_free_netdev;
+ }
hw->affinity_mask = devm_kcalloc(&hw->pdev->dev, num_vec,
sizeof(cpumask_var_t), GFP_KERNEL);
- if (!hw->affinity_mask)
+ if (!hw->affinity_mask) {
+ err = -ENOMEM;
goto err_free_netdev;
+ }
err = pci_alloc_irq_vectors(hw->pdev, num_vec, num_vec, PCI_IRQ_MSIX);
if (err < 0) {
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
index 7a0d785b826c..17243bb5ba91 100644
--- a/drivers/net/ethernet/marvell/pxa168_eth.c
+++ b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1418,7 +1418,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
pep->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pep->base)) {
- err = -ENOMEM;
+ err = PTR_ERR(pep->base);
goto err_netdev;
}
diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig
index 4968352ba188..500c15e7ea4a 100644
--- a/drivers/net/ethernet/mediatek/Kconfig
+++ b/drivers/net/ethernet/mediatek/Kconfig
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
config NET_VENDOR_MEDIATEK
- bool "MediaTek ethernet driver"
+ bool "MediaTek devices"
depends on ARCH_MEDIATEK || SOC_MT7621 || SOC_MT7620
---help---
If you have a Mediatek SoC with ethernet, say Y.
@@ -14,4 +14,11 @@ config NET_MEDIATEK_SOC
This driver supports the gigabit ethernet MACs in the
MediaTek SoC family.
+config NET_MEDIATEK_STAR_EMAC
+ tristate "MediaTek STAR Ethernet MAC support"
+ select PHYLIB
+ help
+ This driver supports the ethernet MAC IP first used on
+ MediaTek MT85** SoCs.
+
endif #NET_VENDOR_MEDIATEK
diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile
index 2d8362f9341b..3a777b4a6cd3 100644
--- a/drivers/net/ethernet/mediatek/Makefile
+++ b/drivers/net/ethernet/mediatek/Makefile
@@ -3,5 +3,6 @@
# Makefile for the Mediatek SoCs built-in ethernet macs
#
-obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o
+obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o
mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o
+obj-$(CONFIG_NET_MEDIATEK_STAR_EMAC) += mtk_star_emac.o
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 09047109d0da..f6a1f8666f95 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -65,7 +65,7 @@ u32 mtk_r32(struct mtk_eth *eth, unsigned reg)
return __raw_readl(eth->base + reg);
}
-u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned reg)
+static u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned reg)
{
u32 val;
@@ -1122,7 +1122,7 @@ static void mtk_stop_queue(struct mtk_eth *eth)
}
}
-static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t mtk_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
struct mtk_eth *eth = mac->hw;
diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c
new file mode 100644
index 000000000000..f1ace4fec19f
--- /dev/null
+++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c
@@ -0,0 +1,1651 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2020 MediaTek Corporation
+ * Copyright (c) 2020 BayLibre SAS
+ *
+ * Author: Bartosz Golaszewski <bgolaszewski@baylibre.com>
+ */
+
+#include <linux/bits.h>
+#include <linux/clk.h>
+#include <linux/compiler.h>
+#include <linux/dma-mapping.h>
+#include <linux/etherdevice.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mii.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/of.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+#include <linux/skbuff.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+
+#define MTK_STAR_DRVNAME "mtk_star_emac"
+
+#define MTK_STAR_WAIT_TIMEOUT 300
+#define MTK_STAR_MAX_FRAME_SIZE 1514
+#define MTK_STAR_SKB_ALIGNMENT 16
+#define MTK_STAR_NAPI_WEIGHT 64
+#define MTK_STAR_HASHTABLE_MC_LIMIT 256
+#define MTK_STAR_HASHTABLE_SIZE_MAX 512
+
+/* Normally we'd use NET_IP_ALIGN but on arm64 its value is 0 and it doesn't
+ * work for this controller.
+ */
+#define MTK_STAR_IP_ALIGN 2
+
+static const char *const mtk_star_clk_names[] = { "core", "reg", "trans" };
+#define MTK_STAR_NCLKS ARRAY_SIZE(mtk_star_clk_names)
+
+/* PHY Control Register 0 */
+#define MTK_STAR_REG_PHY_CTRL0 0x0000
+#define MTK_STAR_BIT_PHY_CTRL0_WTCMD BIT(13)
+#define MTK_STAR_BIT_PHY_CTRL0_RDCMD BIT(14)
+#define MTK_STAR_BIT_PHY_CTRL0_RWOK BIT(15)
+#define MTK_STAR_MSK_PHY_CTRL0_PREG GENMASK(12, 8)
+#define MTK_STAR_OFF_PHY_CTRL0_PREG 8
+#define MTK_STAR_MSK_PHY_CTRL0_RWDATA GENMASK(31, 16)
+#define MTK_STAR_OFF_PHY_CTRL0_RWDATA 16
+
+/* PHY Control Register 1 */
+#define MTK_STAR_REG_PHY_CTRL1 0x0004
+#define MTK_STAR_BIT_PHY_CTRL1_LINK_ST BIT(0)
+#define MTK_STAR_BIT_PHY_CTRL1_AN_EN BIT(8)
+#define MTK_STAR_OFF_PHY_CTRL1_FORCE_SPD 9
+#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_10M 0x00
+#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_100M 0x01
+#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_1000M 0x02
+#define MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX BIT(11)
+#define MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX BIT(12)
+#define MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX BIT(13)
+
+/* MAC Configuration Register */
+#define MTK_STAR_REG_MAC_CFG 0x0008
+#define MTK_STAR_OFF_MAC_CFG_IPG 10
+#define MTK_STAR_VAL_MAC_CFG_IPG_96BIT GENMASK(4, 0)
+#define MTK_STAR_BIT_MAC_CFG_MAXLEN_1522 BIT(16)
+#define MTK_STAR_BIT_MAC_CFG_AUTO_PAD BIT(19)
+#define MTK_STAR_BIT_MAC_CFG_CRC_STRIP BIT(20)
+#define MTK_STAR_BIT_MAC_CFG_VLAN_STRIP BIT(22)
+#define MTK_STAR_BIT_MAC_CFG_NIC_PD BIT(31)
+
+/* Flow-Control Configuration Register */
+#define MTK_STAR_REG_FC_CFG 0x000c
+#define MTK_STAR_BIT_FC_CFG_BP_EN BIT(7)
+#define MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR BIT(8)
+#define MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH 16
+#define MTK_STAR_MSK_FC_CFG_SEND_PAUSE_TH GENMASK(27, 16)
+#define MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K 0x800
+
+/* ARL Configuration Register */
+#define MTK_STAR_REG_ARL_CFG 0x0010
+#define MTK_STAR_BIT_ARL_CFG_HASH_ALG BIT(0)
+#define MTK_STAR_BIT_ARL_CFG_MISC_MODE BIT(4)
+
+/* MAC High and Low Bytes Registers */
+#define MTK_STAR_REG_MY_MAC_H 0x0014
+#define MTK_STAR_REG_MY_MAC_L 0x0018
+
+/* Hash Table Control Register */
+#define MTK_STAR_REG_HASH_CTRL 0x001c
+#define MTK_STAR_MSK_HASH_CTRL_HASH_BIT_ADDR GENMASK(8, 0)
+#define MTK_STAR_BIT_HASH_CTRL_HASH_BIT_DATA BIT(12)
+#define MTK_STAR_BIT_HASH_CTRL_ACC_CMD BIT(13)
+#define MTK_STAR_BIT_HASH_CTRL_CMD_START BIT(14)
+#define MTK_STAR_BIT_HASH_CTRL_BIST_OK BIT(16)
+#define MTK_STAR_BIT_HASH_CTRL_BIST_DONE BIT(17)
+#define MTK_STAR_BIT_HASH_CTRL_BIST_EN BIT(31)
+
+/* TX DMA Control Register */
+#define MTK_STAR_REG_TX_DMA_CTRL 0x0034
+#define MTK_STAR_BIT_TX_DMA_CTRL_START BIT(0)
+#define MTK_STAR_BIT_TX_DMA_CTRL_STOP BIT(1)
+#define MTK_STAR_BIT_TX_DMA_CTRL_RESUME BIT(2)
+
+/* RX DMA Control Register */
+#define MTK_STAR_REG_RX_DMA_CTRL 0x0038
+#define MTK_STAR_BIT_RX_DMA_CTRL_START BIT(0)
+#define MTK_STAR_BIT_RX_DMA_CTRL_STOP BIT(1)
+#define MTK_STAR_BIT_RX_DMA_CTRL_RESUME BIT(2)
+
+/* DMA Address Registers */
+#define MTK_STAR_REG_TX_DPTR 0x003c
+#define MTK_STAR_REG_RX_DPTR 0x0040
+#define MTK_STAR_REG_TX_BASE_ADDR 0x0044
+#define MTK_STAR_REG_RX_BASE_ADDR 0x0048
+
+/* Interrupt Status Register */
+#define MTK_STAR_REG_INT_STS 0x0050
+#define MTK_STAR_REG_INT_STS_PORT_STS_CHG BIT(2)
+#define MTK_STAR_REG_INT_STS_MIB_CNT_TH BIT(3)
+#define MTK_STAR_BIT_INT_STS_FNRC BIT(6)
+#define MTK_STAR_BIT_INT_STS_TNTC BIT(8)
+
+/* Interrupt Mask Register */
+#define MTK_STAR_REG_INT_MASK 0x0054
+#define MTK_STAR_BIT_INT_MASK_FNRC BIT(6)
+
+/* Misc. Config Register */
+#define MTK_STAR_REG_TEST1 0x005c
+#define MTK_STAR_BIT_TEST1_RST_HASH_MBIST BIT(31)
+
+/* Extended Configuration Register */
+#define MTK_STAR_REG_EXT_CFG 0x0060
+#define MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS 16
+#define MTK_STAR_MSK_EXT_CFG_SND_PAUSE_RLS GENMASK(26, 16)
+#define MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K 0x400
+
+/* EthSys Configuration Register */
+#define MTK_STAR_REG_SYS_CONF 0x0094
+#define MTK_STAR_BIT_MII_PAD_OUT_ENABLE BIT(0)
+#define MTK_STAR_BIT_EXT_MDC_MODE BIT(1)
+#define MTK_STAR_BIT_SWC_MII_MODE BIT(2)
+
+/* MAC Clock Configuration Register */
+#define MTK_STAR_REG_MAC_CLK_CONF 0x00ac
+#define MTK_STAR_MSK_MAC_CLK_CONF GENMASK(7, 0)
+#define MTK_STAR_BIT_CLK_DIV_10 0x0a
+
+/* Counter registers. */
+#define MTK_STAR_REG_C_RXOKPKT 0x0100
+#define MTK_STAR_REG_C_RXOKBYTE 0x0104
+#define MTK_STAR_REG_C_RXRUNT 0x0108
+#define MTK_STAR_REG_C_RXLONG 0x010c
+#define MTK_STAR_REG_C_RXDROP 0x0110
+#define MTK_STAR_REG_C_RXCRC 0x0114
+#define MTK_STAR_REG_C_RXARLDROP 0x0118
+#define MTK_STAR_REG_C_RXVLANDROP 0x011c
+#define MTK_STAR_REG_C_RXCSERR 0x0120
+#define MTK_STAR_REG_C_RXPAUSE 0x0124
+#define MTK_STAR_REG_C_TXOKPKT 0x0128
+#define MTK_STAR_REG_C_TXOKBYTE 0x012c
+#define MTK_STAR_REG_C_TXPAUSECOL 0x0130
+#define MTK_STAR_REG_C_TXRTY 0x0134
+#define MTK_STAR_REG_C_TXSKIP 0x0138
+#define MTK_STAR_REG_C_TX_ARP 0x013c
+#define MTK_STAR_REG_C_RX_RERR 0x01d8
+#define MTK_STAR_REG_C_RX_UNI 0x01dc
+#define MTK_STAR_REG_C_RX_MULTI 0x01e0
+#define MTK_STAR_REG_C_RX_BROAD 0x01e4
+#define MTK_STAR_REG_C_RX_ALIGNERR 0x01e8
+#define MTK_STAR_REG_C_TX_UNI 0x01ec
+#define MTK_STAR_REG_C_TX_MULTI 0x01f0
+#define MTK_STAR_REG_C_TX_BROAD 0x01f4
+#define MTK_STAR_REG_C_TX_TIMEOUT 0x01f8
+#define MTK_STAR_REG_C_TX_LATECOL 0x01fc
+#define MTK_STAR_REG_C_RX_LENGTHERR 0x0214
+#define MTK_STAR_REG_C_RX_TWIST 0x0218
+
+/* Ethernet CFG Control */
+#define MTK_PERICFG_REG_NIC_CFG_CON 0x03c4
+#define MTK_PERICFG_MSK_NIC_CFG_CON_CFG_MII GENMASK(3, 0)
+#define MTK_PERICFG_BIT_NIC_CFG_CON_RMII BIT(0)
+
+/* Represents the actual structure of descriptors used by the MAC. We can
+ * reuse the same structure for both TX and RX - the layout is the same, only
+ * the flags differ slightly.
+ */
+struct mtk_star_ring_desc {
+ /* Contains both the status flags as well as packet length. */
+ u32 status;
+ u32 data_ptr;
+ u32 vtag;
+ u32 reserved;
+};
+
+#define MTK_STAR_DESC_MSK_LEN GENMASK(15, 0)
+#define MTK_STAR_DESC_BIT_RX_CRCE BIT(24)
+#define MTK_STAR_DESC_BIT_RX_OSIZE BIT(25)
+#define MTK_STAR_DESC_BIT_INT BIT(27)
+#define MTK_STAR_DESC_BIT_LS BIT(28)
+#define MTK_STAR_DESC_BIT_FS BIT(29)
+#define MTK_STAR_DESC_BIT_EOR BIT(30)
+#define MTK_STAR_DESC_BIT_COWN BIT(31)
+
+/* Helper structure for storing data read from/written to descriptors in order
+ * to limit reads from/writes to DMA memory.
+ */
+struct mtk_star_ring_desc_data {
+ unsigned int len;
+ unsigned int flags;
+ dma_addr_t dma_addr;
+ struct sk_buff *skb;
+};
+
+#define MTK_STAR_RING_NUM_DESCS 128
+#define MTK_STAR_NUM_TX_DESCS MTK_STAR_RING_NUM_DESCS
+#define MTK_STAR_NUM_RX_DESCS MTK_STAR_RING_NUM_DESCS
+#define MTK_STAR_NUM_DESCS_TOTAL (MTK_STAR_RING_NUM_DESCS * 2)
+#define MTK_STAR_DMA_SIZE \
+ (MTK_STAR_NUM_DESCS_TOTAL * sizeof(struct mtk_star_ring_desc))
+
+struct mtk_star_ring {
+ struct mtk_star_ring_desc *descs;
+ struct sk_buff *skbs[MTK_STAR_RING_NUM_DESCS];
+ dma_addr_t dma_addrs[MTK_STAR_RING_NUM_DESCS];
+ unsigned int head;
+ unsigned int tail;
+};
+
+struct mtk_star_priv {
+ struct net_device *ndev;
+
+ struct regmap *regs;
+ struct regmap *pericfg;
+
+ struct clk_bulk_data clks[MTK_STAR_NCLKS];
+
+ void *ring_base;
+ struct mtk_star_ring_desc *descs_base;
+ dma_addr_t dma_addr;
+ struct mtk_star_ring tx_ring;
+ struct mtk_star_ring rx_ring;
+
+ struct mii_bus *mii;
+ struct napi_struct napi;
+
+ struct device_node *phy_node;
+ phy_interface_t phy_intf;
+ struct phy_device *phydev;
+ unsigned int link;
+ int speed;
+ int duplex;
+ int pause;
+
+ /* Protects against concurrent descriptor access. */
+ spinlock_t lock;
+
+ struct rtnl_link_stats64 stats;
+ struct work_struct stats_work;
+};
+
+static struct device *mtk_star_get_dev(struct mtk_star_priv *priv)
+{
+ return priv->ndev->dev.parent;
+}
+
+static const struct regmap_config mtk_star_regmap_config = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .disable_locking = true,
+};
+
+static void mtk_star_ring_init(struct mtk_star_ring *ring,
+ struct mtk_star_ring_desc *descs)
+{
+ memset(ring, 0, sizeof(*ring));
+ ring->descs = descs;
+ ring->head = 0;
+ ring->tail = 0;
+}
+
+static int mtk_star_ring_pop_tail(struct mtk_star_ring *ring,
+ struct mtk_star_ring_desc_data *desc_data)
+{
+ struct mtk_star_ring_desc *desc = &ring->descs[ring->tail];
+ unsigned int status;
+
+ status = READ_ONCE(desc->status);
+ dma_rmb(); /* Make sure we read the status bits before checking it. */
+
+ if (!(status & MTK_STAR_DESC_BIT_COWN))
+ return -1;
+
+ desc_data->len = status & MTK_STAR_DESC_MSK_LEN;
+ desc_data->flags = status & ~MTK_STAR_DESC_MSK_LEN;
+ desc_data->dma_addr = ring->dma_addrs[ring->tail];
+ desc_data->skb = ring->skbs[ring->tail];
+
+ ring->dma_addrs[ring->tail] = 0;
+ ring->skbs[ring->tail] = NULL;
+
+ status &= MTK_STAR_DESC_BIT_COWN | MTK_STAR_DESC_BIT_EOR;
+
+ WRITE_ONCE(desc->data_ptr, 0);
+ WRITE_ONCE(desc->status, status);
+
+ ring->tail = (ring->tail + 1) % MTK_STAR_RING_NUM_DESCS;
+
+ return 0;
+}
+
+static void mtk_star_ring_push_head(struct mtk_star_ring *ring,
+ struct mtk_star_ring_desc_data *desc_data,
+ unsigned int flags)
+{
+ struct mtk_star_ring_desc *desc = &ring->descs[ring->head];
+ unsigned int status;
+
+ status = READ_ONCE(desc->status);
+
+ ring->skbs[ring->head] = desc_data->skb;
+ ring->dma_addrs[ring->head] = desc_data->dma_addr;
+
+ status |= desc_data->len;
+ if (flags)
+ status |= flags;
+
+ WRITE_ONCE(desc->data_ptr, desc_data->dma_addr);
+ WRITE_ONCE(desc->status, status);
+ status &= ~MTK_STAR_DESC_BIT_COWN;
+ /* Flush previous modifications before ownership change. */
+ dma_wmb();
+ WRITE_ONCE(desc->status, status);
+
+ ring->head = (ring->head + 1) % MTK_STAR_RING_NUM_DESCS;
+}
+
+static void
+mtk_star_ring_push_head_rx(struct mtk_star_ring *ring,
+ struct mtk_star_ring_desc_data *desc_data)
+{
+ mtk_star_ring_push_head(ring, desc_data, 0);
+}
+
+static void
+mtk_star_ring_push_head_tx(struct mtk_star_ring *ring,
+ struct mtk_star_ring_desc_data *desc_data)
+{
+ static const unsigned int flags = MTK_STAR_DESC_BIT_FS |
+ MTK_STAR_DESC_BIT_LS |
+ MTK_STAR_DESC_BIT_INT;
+
+ mtk_star_ring_push_head(ring, desc_data, flags);
+}
+
+static unsigned int mtk_star_ring_num_used_descs(struct mtk_star_ring *ring)
+{
+ return abs(ring->head - ring->tail);
+}
+
+static bool mtk_star_ring_full(struct mtk_star_ring *ring)
+{
+ return mtk_star_ring_num_used_descs(ring) == MTK_STAR_RING_NUM_DESCS;
+}
+
+static bool mtk_star_ring_descs_available(struct mtk_star_ring *ring)
+{
+ return mtk_star_ring_num_used_descs(ring) > 0;
+}
+
+static dma_addr_t mtk_star_dma_map_rx(struct mtk_star_priv *priv,
+ struct sk_buff *skb)
+{
+ struct device *dev = mtk_star_get_dev(priv);
+
+ /* Data pointer for the RX DMA descriptor must be aligned to 4N + 2. */
+ return dma_map_single(dev, skb_tail_pointer(skb) - 2,
+ skb_tailroom(skb), DMA_FROM_DEVICE);
+}
+
+static void mtk_star_dma_unmap_rx(struct mtk_star_priv *priv,
+ struct mtk_star_ring_desc_data *desc_data)
+{
+ struct device *dev = mtk_star_get_dev(priv);
+
+ dma_unmap_single(dev, desc_data->dma_addr,
+ skb_tailroom(desc_data->skb), DMA_FROM_DEVICE);
+}
+
+static dma_addr_t mtk_star_dma_map_tx(struct mtk_star_priv *priv,
+ struct sk_buff *skb)
+{
+ struct device *dev = mtk_star_get_dev(priv);
+
+ return dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE);
+}
+
+static void mtk_star_dma_unmap_tx(struct mtk_star_priv *priv,
+ struct mtk_star_ring_desc_data *desc_data)
+{
+ struct device *dev = mtk_star_get_dev(priv);
+
+ return dma_unmap_single(dev, desc_data->dma_addr,
+ skb_headlen(desc_data->skb), DMA_TO_DEVICE);
+}
+
+static void mtk_star_nic_disable_pd(struct mtk_star_priv *priv)
+{
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_MAC_CFG,
+ MTK_STAR_BIT_MAC_CFG_NIC_PD);
+}
+
+/* Unmask the three interrupts we care about, mask all others. */
+static void mtk_star_intr_enable(struct mtk_star_priv *priv)
+{
+ unsigned int val = MTK_STAR_BIT_INT_STS_TNTC |
+ MTK_STAR_BIT_INT_STS_FNRC |
+ MTK_STAR_REG_INT_STS_MIB_CNT_TH;
+
+ regmap_write(priv->regs, MTK_STAR_REG_INT_MASK, ~val);
+}
+
+static void mtk_star_intr_disable(struct mtk_star_priv *priv)
+{
+ regmap_write(priv->regs, MTK_STAR_REG_INT_MASK, ~0);
+}
+
+static void mtk_star_intr_enable_tx(struct mtk_star_priv *priv)
+{
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_BIT_INT_STS_TNTC);
+}
+
+static void mtk_star_intr_enable_rx(struct mtk_star_priv *priv)
+{
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_BIT_INT_STS_FNRC);
+}
+
+static void mtk_star_intr_enable_stats(struct mtk_star_priv *priv)
+{
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_REG_INT_STS_MIB_CNT_TH);
+}
+
+static void mtk_star_intr_disable_tx(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_BIT_INT_STS_TNTC);
+}
+
+static void mtk_star_intr_disable_rx(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_BIT_INT_STS_FNRC);
+}
+
+static void mtk_star_intr_disable_stats(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_INT_MASK,
+ MTK_STAR_REG_INT_STS_MIB_CNT_TH);
+}
+
+static unsigned int mtk_star_intr_read(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ regmap_read(priv->regs, MTK_STAR_REG_INT_STS, &val);
+
+ return val;
+}
+
+static unsigned int mtk_star_intr_ack_all(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ val = mtk_star_intr_read(priv);
+ regmap_write(priv->regs, MTK_STAR_REG_INT_STS, val);
+
+ return val;
+}
+
+static void mtk_star_dma_init(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring_desc *desc;
+ unsigned int val;
+ int i;
+
+ priv->descs_base = (struct mtk_star_ring_desc *)priv->ring_base;
+
+ for (i = 0; i < MTK_STAR_NUM_DESCS_TOTAL; i++) {
+ desc = &priv->descs_base[i];
+
+ memset(desc, 0, sizeof(*desc));
+ desc->status = MTK_STAR_DESC_BIT_COWN;
+ if ((i == MTK_STAR_NUM_TX_DESCS - 1) ||
+ (i == MTK_STAR_NUM_DESCS_TOTAL - 1))
+ desc->status |= MTK_STAR_DESC_BIT_EOR;
+ }
+
+ mtk_star_ring_init(&priv->tx_ring, priv->descs_base);
+ mtk_star_ring_init(&priv->rx_ring,
+ priv->descs_base + MTK_STAR_NUM_TX_DESCS);
+
+ /* Set DMA pointers. */
+ val = (unsigned int)priv->dma_addr;
+ regmap_write(priv->regs, MTK_STAR_REG_TX_BASE_ADDR, val);
+ regmap_write(priv->regs, MTK_STAR_REG_TX_DPTR, val);
+
+ val += sizeof(struct mtk_star_ring_desc) * MTK_STAR_NUM_TX_DESCS;
+ regmap_write(priv->regs, MTK_STAR_REG_RX_BASE_ADDR, val);
+ regmap_write(priv->regs, MTK_STAR_REG_RX_DPTR, val);
+}
+
+static void mtk_star_dma_start(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL,
+ MTK_STAR_BIT_TX_DMA_CTRL_START);
+ regmap_set_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL,
+ MTK_STAR_BIT_RX_DMA_CTRL_START);
+}
+
+static void mtk_star_dma_stop(struct mtk_star_priv *priv)
+{
+ regmap_write(priv->regs, MTK_STAR_REG_TX_DMA_CTRL,
+ MTK_STAR_BIT_TX_DMA_CTRL_STOP);
+ regmap_write(priv->regs, MTK_STAR_REG_RX_DMA_CTRL,
+ MTK_STAR_BIT_RX_DMA_CTRL_STOP);
+}
+
+static void mtk_star_dma_disable(struct mtk_star_priv *priv)
+{
+ int i;
+
+ mtk_star_dma_stop(priv);
+
+ /* Take back all descriptors. */
+ for (i = 0; i < MTK_STAR_NUM_DESCS_TOTAL; i++)
+ priv->descs_base[i].status |= MTK_STAR_DESC_BIT_COWN;
+}
+
+static void mtk_star_dma_resume_rx(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL,
+ MTK_STAR_BIT_RX_DMA_CTRL_RESUME);
+}
+
+static void mtk_star_dma_resume_tx(struct mtk_star_priv *priv)
+{
+ regmap_set_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL,
+ MTK_STAR_BIT_TX_DMA_CTRL_RESUME);
+}
+
+static void mtk_star_set_mac_addr(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ u8 *mac_addr = ndev->dev_addr;
+ unsigned int high, low;
+
+ high = mac_addr[0] << 8 | mac_addr[1] << 0;
+ low = mac_addr[2] << 24 | mac_addr[3] << 16 |
+ mac_addr[4] << 8 | mac_addr[5];
+
+ regmap_write(priv->regs, MTK_STAR_REG_MY_MAC_H, high);
+ regmap_write(priv->regs, MTK_STAR_REG_MY_MAC_L, low);
+}
+
+static void mtk_star_reset_counters(struct mtk_star_priv *priv)
+{
+ static const unsigned int counter_regs[] = {
+ MTK_STAR_REG_C_RXOKPKT,
+ MTK_STAR_REG_C_RXOKBYTE,
+ MTK_STAR_REG_C_RXRUNT,
+ MTK_STAR_REG_C_RXLONG,
+ MTK_STAR_REG_C_RXDROP,
+ MTK_STAR_REG_C_RXCRC,
+ MTK_STAR_REG_C_RXARLDROP,
+ MTK_STAR_REG_C_RXVLANDROP,
+ MTK_STAR_REG_C_RXCSERR,
+ MTK_STAR_REG_C_RXPAUSE,
+ MTK_STAR_REG_C_TXOKPKT,
+ MTK_STAR_REG_C_TXOKBYTE,
+ MTK_STAR_REG_C_TXPAUSECOL,
+ MTK_STAR_REG_C_TXRTY,
+ MTK_STAR_REG_C_TXSKIP,
+ MTK_STAR_REG_C_TX_ARP,
+ MTK_STAR_REG_C_RX_RERR,
+ MTK_STAR_REG_C_RX_UNI,
+ MTK_STAR_REG_C_RX_MULTI,
+ MTK_STAR_REG_C_RX_BROAD,
+ MTK_STAR_REG_C_RX_ALIGNERR,
+ MTK_STAR_REG_C_TX_UNI,
+ MTK_STAR_REG_C_TX_MULTI,
+ MTK_STAR_REG_C_TX_BROAD,
+ MTK_STAR_REG_C_TX_TIMEOUT,
+ MTK_STAR_REG_C_TX_LATECOL,
+ MTK_STAR_REG_C_RX_LENGTHERR,
+ MTK_STAR_REG_C_RX_TWIST,
+ };
+
+ unsigned int i, val;
+
+ for (i = 0; i < ARRAY_SIZE(counter_regs); i++)
+ regmap_read(priv->regs, counter_regs[i], &val);
+}
+
+static void mtk_star_update_stat(struct mtk_star_priv *priv,
+ unsigned int reg, u64 *stat)
+{
+ unsigned int val;
+
+ regmap_read(priv->regs, reg, &val);
+ *stat += val;
+}
+
+/* Try to get as many stats as possible from the internal registers instead
+ * of tracking them ourselves.
+ */
+static void mtk_star_update_stats(struct mtk_star_priv *priv)
+{
+ struct rtnl_link_stats64 *stats = &priv->stats;
+
+ /* OK packets and bytes. */
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXOKPKT, &stats->rx_packets);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_TXOKPKT, &stats->tx_packets);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXOKBYTE, &stats->rx_bytes);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_TXOKBYTE, &stats->tx_bytes);
+
+ /* RX & TX multicast. */
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_MULTI, &stats->multicast);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_TX_MULTI, &stats->multicast);
+
+ /* Collisions. */
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_TXPAUSECOL,
+ &stats->collisions);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_TX_LATECOL,
+ &stats->collisions);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXRUNT, &stats->collisions);
+
+ /* RX Errors. */
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_LENGTHERR,
+ &stats->rx_length_errors);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXLONG,
+ &stats->rx_over_errors);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXCRC, &stats->rx_crc_errors);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_ALIGNERR,
+ &stats->rx_frame_errors);
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RXDROP,
+ &stats->rx_fifo_errors);
+ /* Sum of the general RX error counter + all of the above. */
+ mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_RERR, &stats->rx_errors);
+ stats->rx_errors += stats->rx_length_errors;
+ stats->rx_errors += stats->rx_over_errors;
+ stats->rx_errors += stats->rx_crc_errors;
+ stats->rx_errors += stats->rx_frame_errors;
+ stats->rx_errors += stats->rx_fifo_errors;
+}
+
+/* This runs in process context and parallel TX and RX paths executing in
+ * napi context may result in losing some stats data but this should happen
+ * seldom enough to be acceptable.
+ */
+static void mtk_star_update_stats_work(struct work_struct *work)
+{
+ struct mtk_star_priv *priv = container_of(work, struct mtk_star_priv,
+ stats_work);
+
+ mtk_star_update_stats(priv);
+ mtk_star_reset_counters(priv);
+ mtk_star_intr_enable_stats(priv);
+}
+
+static struct sk_buff *mtk_star_alloc_skb(struct net_device *ndev)
+{
+ uintptr_t tail, offset;
+ struct sk_buff *skb;
+
+ skb = dev_alloc_skb(MTK_STAR_MAX_FRAME_SIZE);
+ if (!skb)
+ return NULL;
+
+ /* Align to 16 bytes. */
+ tail = (uintptr_t)skb_tail_pointer(skb);
+ if (tail & (MTK_STAR_SKB_ALIGNMENT - 1)) {
+ offset = tail & (MTK_STAR_SKB_ALIGNMENT - 1);
+ skb_reserve(skb, MTK_STAR_SKB_ALIGNMENT - offset);
+ }
+
+ /* Ensure 16-byte alignment of the skb pointer: eth_type_trans() will
+ * extract the Ethernet header (14 bytes) so we need two more bytes.
+ */
+ skb_reserve(skb, MTK_STAR_IP_ALIGN);
+
+ return skb;
+}
+
+static int mtk_star_prepare_rx_skbs(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ struct mtk_star_ring *ring = &priv->rx_ring;
+ struct device *dev = mtk_star_get_dev(priv);
+ struct mtk_star_ring_desc *desc;
+ struct sk_buff *skb;
+ dma_addr_t dma_addr;
+ int i;
+
+ for (i = 0; i < MTK_STAR_NUM_RX_DESCS; i++) {
+ skb = mtk_star_alloc_skb(ndev);
+ if (!skb)
+ return -ENOMEM;
+
+ dma_addr = mtk_star_dma_map_rx(priv, skb);
+ if (dma_mapping_error(dev, dma_addr)) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ desc = &ring->descs[i];
+ desc->data_ptr = dma_addr;
+ desc->status |= skb_tailroom(skb) & MTK_STAR_DESC_MSK_LEN;
+ desc->status &= ~MTK_STAR_DESC_BIT_COWN;
+ ring->skbs[i] = skb;
+ ring->dma_addrs[i] = dma_addr;
+ }
+
+ return 0;
+}
+
+static void
+mtk_star_ring_free_skbs(struct mtk_star_priv *priv, struct mtk_star_ring *ring,
+ void (*unmap_func)(struct mtk_star_priv *,
+ struct mtk_star_ring_desc_data *))
+{
+ struct mtk_star_ring_desc_data desc_data;
+ int i;
+
+ for (i = 0; i < MTK_STAR_RING_NUM_DESCS; i++) {
+ if (!ring->dma_addrs[i])
+ continue;
+
+ desc_data.dma_addr = ring->dma_addrs[i];
+ desc_data.skb = ring->skbs[i];
+
+ unmap_func(priv, &desc_data);
+ dev_kfree_skb(desc_data.skb);
+ }
+}
+
+static void mtk_star_free_rx_skbs(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring *ring = &priv->rx_ring;
+
+ mtk_star_ring_free_skbs(priv, ring, mtk_star_dma_unmap_rx);
+}
+
+static void mtk_star_free_tx_skbs(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring *ring = &priv->tx_ring;
+
+ mtk_star_ring_free_skbs(priv, ring, mtk_star_dma_unmap_tx);
+}
+
+/* All processing for TX and RX happens in the napi poll callback. */
+static irqreturn_t mtk_star_handle_irq(int irq, void *data)
+{
+ struct mtk_star_priv *priv;
+ struct net_device *ndev;
+ bool need_napi = false;
+ unsigned int status;
+
+ ndev = data;
+ priv = netdev_priv(ndev);
+
+ if (netif_running(ndev)) {
+ status = mtk_star_intr_read(priv);
+
+ if (status & MTK_STAR_BIT_INT_STS_TNTC) {
+ mtk_star_intr_disable_tx(priv);
+ need_napi = true;
+ }
+
+ if (status & MTK_STAR_BIT_INT_STS_FNRC) {
+ mtk_star_intr_disable_rx(priv);
+ need_napi = true;
+ }
+
+ if (need_napi)
+ napi_schedule(&priv->napi);
+
+ /* One of the counters reached 0x8000000 - update stats and
+ * reset all counters.
+ */
+ if (unlikely(status & MTK_STAR_REG_INT_STS_MIB_CNT_TH)) {
+ mtk_star_intr_disable_stats(priv);
+ schedule_work(&priv->stats_work);
+ }
+
+ mtk_star_intr_ack_all(priv);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/* Wait for the completion of any previous command - CMD_START bit must be
+ * cleared by hardware.
+ */
+static int mtk_star_hash_wait_cmd_start(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ return regmap_read_poll_timeout_atomic(priv->regs,
+ MTK_STAR_REG_HASH_CTRL, val,
+ !(val & MTK_STAR_BIT_HASH_CTRL_CMD_START),
+ 10, MTK_STAR_WAIT_TIMEOUT);
+}
+
+static int mtk_star_hash_wait_ok(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+ int ret;
+
+ /* Wait for BIST_DONE bit. */
+ ret = regmap_read_poll_timeout_atomic(priv->regs,
+ MTK_STAR_REG_HASH_CTRL, val,
+ val & MTK_STAR_BIT_HASH_CTRL_BIST_DONE,
+ 10, MTK_STAR_WAIT_TIMEOUT);
+ if (ret)
+ return ret;
+
+ /* Check the BIST_OK bit. */
+ if (!regmap_test_bits(priv->regs, MTK_STAR_REG_HASH_CTRL,
+ MTK_STAR_BIT_HASH_CTRL_BIST_OK))
+ return -EIO;
+
+ return 0;
+}
+
+static int mtk_star_set_hashbit(struct mtk_star_priv *priv,
+ unsigned int hash_addr)
+{
+ unsigned int val;
+ int ret;
+
+ ret = mtk_star_hash_wait_cmd_start(priv);
+ if (ret)
+ return ret;
+
+ val = hash_addr & MTK_STAR_MSK_HASH_CTRL_HASH_BIT_ADDR;
+ val |= MTK_STAR_BIT_HASH_CTRL_ACC_CMD;
+ val |= MTK_STAR_BIT_HASH_CTRL_CMD_START;
+ val |= MTK_STAR_BIT_HASH_CTRL_BIST_EN;
+ val |= MTK_STAR_BIT_HASH_CTRL_HASH_BIT_DATA;
+ regmap_write(priv->regs, MTK_STAR_REG_HASH_CTRL, val);
+
+ return mtk_star_hash_wait_ok(priv);
+}
+
+static int mtk_star_reset_hash_table(struct mtk_star_priv *priv)
+{
+ int ret;
+
+ ret = mtk_star_hash_wait_cmd_start(priv);
+ if (ret)
+ return ret;
+
+ regmap_set_bits(priv->regs, MTK_STAR_REG_HASH_CTRL,
+ MTK_STAR_BIT_HASH_CTRL_BIST_EN);
+ regmap_set_bits(priv->regs, MTK_STAR_REG_TEST1,
+ MTK_STAR_BIT_TEST1_RST_HASH_MBIST);
+
+ return mtk_star_hash_wait_ok(priv);
+}
+
+static void mtk_star_phy_config(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ if (priv->speed == SPEED_1000)
+ val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_1000M;
+ else if (priv->speed == SPEED_100)
+ val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_100M;
+ else
+ val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_10M;
+ val <<= MTK_STAR_OFF_PHY_CTRL1_FORCE_SPD;
+
+ val |= MTK_STAR_BIT_PHY_CTRL1_AN_EN;
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX;
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX;
+ /* Only full-duplex supported for now. */
+ val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX;
+
+ regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL1, val);
+
+ if (priv->pause) {
+ val = MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K;
+ val <<= MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH;
+ val |= MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR;
+ } else {
+ val = 0;
+ }
+
+ regmap_update_bits(priv->regs, MTK_STAR_REG_FC_CFG,
+ MTK_STAR_MSK_FC_CFG_SEND_PAUSE_TH |
+ MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR, val);
+
+ if (priv->pause) {
+ val = MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K;
+ val <<= MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS;
+ } else {
+ val = 0;
+ }
+
+ regmap_update_bits(priv->regs, MTK_STAR_REG_EXT_CFG,
+ MTK_STAR_MSK_EXT_CFG_SND_PAUSE_RLS, val);
+}
+
+static void mtk_star_adjust_link(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ struct phy_device *phydev = priv->phydev;
+ bool new_state = false;
+
+ if (phydev->link) {
+ if (!priv->link) {
+ priv->link = phydev->link;
+ new_state = true;
+ }
+
+ if (priv->speed != phydev->speed) {
+ priv->speed = phydev->speed;
+ new_state = true;
+ }
+
+ if (priv->pause != phydev->pause) {
+ priv->pause = phydev->pause;
+ new_state = true;
+ }
+ } else {
+ if (priv->link) {
+ priv->link = phydev->link;
+ new_state = true;
+ }
+ }
+
+ if (new_state) {
+ if (phydev->link)
+ mtk_star_phy_config(priv);
+
+ phy_print_status(ndev->phydev);
+ }
+}
+
+static void mtk_star_init_config(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ val = (MTK_STAR_BIT_MII_PAD_OUT_ENABLE |
+ MTK_STAR_BIT_EXT_MDC_MODE |
+ MTK_STAR_BIT_SWC_MII_MODE);
+
+ regmap_write(priv->regs, MTK_STAR_REG_SYS_CONF, val);
+ regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CLK_CONF,
+ MTK_STAR_MSK_MAC_CLK_CONF,
+ MTK_STAR_BIT_CLK_DIV_10);
+}
+
+static void mtk_star_set_mode_rmii(struct mtk_star_priv *priv)
+{
+ regmap_update_bits(priv->pericfg, MTK_PERICFG_REG_NIC_CFG_CON,
+ MTK_PERICFG_MSK_NIC_CFG_CON_CFG_MII,
+ MTK_PERICFG_BIT_NIC_CFG_CON_RMII);
+}
+
+static int mtk_star_enable(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ unsigned int val;
+ int ret;
+
+ mtk_star_nic_disable_pd(priv);
+ mtk_star_intr_disable(priv);
+ mtk_star_dma_stop(priv);
+
+ mtk_star_set_mac_addr(ndev);
+
+ /* Configure the MAC */
+ val = MTK_STAR_VAL_MAC_CFG_IPG_96BIT;
+ val <<= MTK_STAR_OFF_MAC_CFG_IPG;
+ val |= MTK_STAR_BIT_MAC_CFG_MAXLEN_1522;
+ val |= MTK_STAR_BIT_MAC_CFG_AUTO_PAD;
+ val |= MTK_STAR_BIT_MAC_CFG_CRC_STRIP;
+ regmap_write(priv->regs, MTK_STAR_REG_MAC_CFG, val);
+
+ /* Enable Hash Table BIST and reset it */
+ ret = mtk_star_reset_hash_table(priv);
+ if (ret)
+ return ret;
+
+ /* Setup the hashing algorithm */
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_ARL_CFG,
+ MTK_STAR_BIT_ARL_CFG_HASH_ALG |
+ MTK_STAR_BIT_ARL_CFG_MISC_MODE);
+
+ /* Don't strip VLAN tags */
+ regmap_clear_bits(priv->regs, MTK_STAR_REG_MAC_CFG,
+ MTK_STAR_BIT_MAC_CFG_VLAN_STRIP);
+
+ /* Setup DMA */
+ mtk_star_dma_init(priv);
+
+ ret = mtk_star_prepare_rx_skbs(ndev);
+ if (ret)
+ goto err_out;
+
+ /* Request the interrupt */
+ ret = request_irq(ndev->irq, mtk_star_handle_irq,
+ IRQF_TRIGGER_FALLING, ndev->name, ndev);
+ if (ret)
+ goto err_free_skbs;
+
+ napi_enable(&priv->napi);
+
+ mtk_star_intr_ack_all(priv);
+ mtk_star_intr_enable(priv);
+
+ /* Connect to and start PHY */
+ priv->phydev = of_phy_connect(ndev, priv->phy_node,
+ mtk_star_adjust_link, 0, priv->phy_intf);
+ if (!priv->phydev) {
+ netdev_err(ndev, "failed to connect to PHY\n");
+ goto err_free_irq;
+ }
+
+ mtk_star_dma_start(priv);
+ phy_start(priv->phydev);
+ netif_start_queue(ndev);
+
+ return 0;
+
+err_free_irq:
+ free_irq(ndev->irq, ndev);
+err_free_skbs:
+ mtk_star_free_rx_skbs(priv);
+err_out:
+ return ret;
+}
+
+static void mtk_star_disable(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+
+ netif_stop_queue(ndev);
+ napi_disable(&priv->napi);
+ mtk_star_intr_disable(priv);
+ mtk_star_dma_disable(priv);
+ mtk_star_intr_ack_all(priv);
+ phy_stop(priv->phydev);
+ phy_disconnect(priv->phydev);
+ free_irq(ndev->irq, ndev);
+ mtk_star_free_rx_skbs(priv);
+ mtk_star_free_tx_skbs(priv);
+}
+
+static int mtk_star_netdev_open(struct net_device *ndev)
+{
+ return mtk_star_enable(ndev);
+}
+
+static int mtk_star_netdev_stop(struct net_device *ndev)
+{
+ mtk_star_disable(ndev);
+
+ return 0;
+}
+
+static int mtk_star_netdev_ioctl(struct net_device *ndev,
+ struct ifreq *req, int cmd)
+{
+ if (!netif_running(ndev))
+ return -EINVAL;
+
+ return phy_mii_ioctl(ndev->phydev, req, cmd);
+}
+
+static int mtk_star_netdev_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ struct mtk_star_ring *ring = &priv->tx_ring;
+ struct device *dev = mtk_star_get_dev(priv);
+ struct mtk_star_ring_desc_data desc_data;
+
+ desc_data.dma_addr = mtk_star_dma_map_tx(priv, skb);
+ if (dma_mapping_error(dev, desc_data.dma_addr))
+ goto err_drop_packet;
+
+ desc_data.skb = skb;
+ desc_data.len = skb->len;
+
+ spin_lock_bh(&priv->lock);
+
+ mtk_star_ring_push_head_tx(ring, &desc_data);
+
+ netdev_sent_queue(ndev, skb->len);
+
+ if (mtk_star_ring_full(ring))
+ netif_stop_queue(ndev);
+
+ spin_unlock_bh(&priv->lock);
+
+ mtk_star_dma_resume_tx(priv);
+
+ return NETDEV_TX_OK;
+
+err_drop_packet:
+ dev_kfree_skb(skb);
+ ndev->stats.tx_dropped++;
+ return NETDEV_TX_BUSY;
+}
+
+/* Returns the number of bytes sent or a negative number on the first
+ * descriptor owned by DMA.
+ */
+static int mtk_star_tx_complete_one(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring *ring = &priv->tx_ring;
+ struct mtk_star_ring_desc_data desc_data;
+ int ret;
+
+ ret = mtk_star_ring_pop_tail(ring, &desc_data);
+ if (ret)
+ return ret;
+
+ mtk_star_dma_unmap_tx(priv, &desc_data);
+ ret = desc_data.skb->len;
+ dev_kfree_skb_irq(desc_data.skb);
+
+ return ret;
+}
+
+static void mtk_star_tx_complete_all(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring *ring = &priv->tx_ring;
+ struct net_device *ndev = priv->ndev;
+ int ret, pkts_compl, bytes_compl;
+ bool wake = false;
+
+ spin_lock(&priv->lock);
+
+ for (pkts_compl = 0, bytes_compl = 0;;
+ pkts_compl++, bytes_compl += ret, wake = true) {
+ if (!mtk_star_ring_descs_available(ring))
+ break;
+
+ ret = mtk_star_tx_complete_one(priv);
+ if (ret < 0)
+ break;
+ }
+
+ netdev_completed_queue(ndev, pkts_compl, bytes_compl);
+
+ if (wake && netif_queue_stopped(ndev))
+ netif_wake_queue(ndev);
+
+ mtk_star_intr_enable_tx(priv);
+
+ spin_unlock(&priv->lock);
+}
+
+static void mtk_star_netdev_get_stats64(struct net_device *ndev,
+ struct rtnl_link_stats64 *stats)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+
+ mtk_star_update_stats(priv);
+
+ memcpy(stats, &priv->stats, sizeof(*stats));
+}
+
+static void mtk_star_set_rx_mode(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ struct netdev_hw_addr *hw_addr;
+ unsigned int hash_addr, i;
+ int ret;
+
+ if (ndev->flags & IFF_PROMISC) {
+ regmap_set_bits(priv->regs, MTK_STAR_REG_ARL_CFG,
+ MTK_STAR_BIT_ARL_CFG_MISC_MODE);
+ } else if (netdev_mc_count(ndev) > MTK_STAR_HASHTABLE_MC_LIMIT ||
+ ndev->flags & IFF_ALLMULTI) {
+ for (i = 0; i < MTK_STAR_HASHTABLE_SIZE_MAX; i++) {
+ ret = mtk_star_set_hashbit(priv, i);
+ if (ret)
+ goto hash_fail;
+ }
+ } else {
+ /* Clear previous settings. */
+ ret = mtk_star_reset_hash_table(priv);
+ if (ret)
+ goto hash_fail;
+
+ netdev_for_each_mc_addr(hw_addr, ndev) {
+ hash_addr = (hw_addr->addr[0] & 0x01) << 8;
+ hash_addr += hw_addr->addr[5];
+ ret = mtk_star_set_hashbit(priv, hash_addr);
+ if (ret)
+ goto hash_fail;
+ }
+ }
+
+ return;
+
+hash_fail:
+ if (ret == -ETIMEDOUT)
+ netdev_err(ndev, "setting hash bit timed out\n");
+ else
+ /* Should be -EIO */
+ netdev_err(ndev, "unable to set hash bit");
+}
+
+static const struct net_device_ops mtk_star_netdev_ops = {
+ .ndo_open = mtk_star_netdev_open,
+ .ndo_stop = mtk_star_netdev_stop,
+ .ndo_start_xmit = mtk_star_netdev_start_xmit,
+ .ndo_get_stats64 = mtk_star_netdev_get_stats64,
+ .ndo_set_rx_mode = mtk_star_set_rx_mode,
+ .ndo_do_ioctl = mtk_star_netdev_ioctl,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
+static void mtk_star_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ strlcpy(info->driver, MTK_STAR_DRVNAME, sizeof(info->driver));
+}
+
+/* TODO Add ethtool stats. */
+static const struct ethtool_ops mtk_star_ethtool_ops = {
+ .get_drvinfo = mtk_star_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
+};
+
+static int mtk_star_receive_packet(struct mtk_star_priv *priv)
+{
+ struct mtk_star_ring *ring = &priv->rx_ring;
+ struct device *dev = mtk_star_get_dev(priv);
+ struct mtk_star_ring_desc_data desc_data;
+ struct net_device *ndev = priv->ndev;
+ struct sk_buff *curr_skb, *new_skb;
+ dma_addr_t new_dma_addr;
+ int ret;
+
+ spin_lock(&priv->lock);
+ ret = mtk_star_ring_pop_tail(ring, &desc_data);
+ spin_unlock(&priv->lock);
+ if (ret)
+ return -1;
+
+ curr_skb = desc_data.skb;
+
+ if ((desc_data.flags & MTK_STAR_DESC_BIT_RX_CRCE) ||
+ (desc_data.flags & MTK_STAR_DESC_BIT_RX_OSIZE)) {
+ /* Error packet -> drop and reuse skb. */
+ new_skb = curr_skb;
+ goto push_new_skb;
+ }
+
+ /* Prepare new skb before receiving the current one. Reuse the current
+ * skb if we fail at any point.
+ */
+ new_skb = mtk_star_alloc_skb(ndev);
+ if (!new_skb) {
+ ndev->stats.rx_dropped++;
+ new_skb = curr_skb;
+ goto push_new_skb;
+ }
+
+ new_dma_addr = mtk_star_dma_map_rx(priv, new_skb);
+ if (dma_mapping_error(dev, new_dma_addr)) {
+ ndev->stats.rx_dropped++;
+ dev_kfree_skb(new_skb);
+ new_skb = curr_skb;
+ netdev_err(ndev, "DMA mapping error of RX descriptor\n");
+ goto push_new_skb;
+ }
+
+ desc_data.dma_addr = new_dma_addr;
+
+ /* We can't fail anymore at this point: it's safe to unmap the skb. */
+ mtk_star_dma_unmap_rx(priv, &desc_data);
+
+ skb_put(desc_data.skb, desc_data.len);
+ desc_data.skb->ip_summed = CHECKSUM_NONE;
+ desc_data.skb->protocol = eth_type_trans(desc_data.skb, ndev);
+ desc_data.skb->dev = ndev;
+ netif_receive_skb(desc_data.skb);
+
+push_new_skb:
+ desc_data.len = skb_tailroom(new_skb);
+ desc_data.skb = new_skb;
+
+ spin_lock(&priv->lock);
+ mtk_star_ring_push_head_rx(ring, &desc_data);
+ spin_unlock(&priv->lock);
+
+ return 0;
+}
+
+static int mtk_star_process_rx(struct mtk_star_priv *priv, int budget)
+{
+ int received, ret;
+
+ for (received = 0, ret = 0; received < budget && ret == 0; received++)
+ ret = mtk_star_receive_packet(priv);
+
+ mtk_star_dma_resume_rx(priv);
+
+ return received;
+}
+
+static int mtk_star_poll(struct napi_struct *napi, int budget)
+{
+ struct mtk_star_priv *priv;
+ int received = 0;
+
+ priv = container_of(napi, struct mtk_star_priv, napi);
+
+ /* Clean-up all TX descriptors. */
+ mtk_star_tx_complete_all(priv);
+ /* Receive up to $budget packets. */
+ received = mtk_star_process_rx(priv, budget);
+
+ if (received < budget) {
+ napi_complete_done(napi, received);
+ mtk_star_intr_enable_rx(priv);
+ }
+
+ return received;
+}
+
+static void mtk_star_mdio_rwok_clear(struct mtk_star_priv *priv)
+{
+ regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0,
+ MTK_STAR_BIT_PHY_CTRL0_RWOK);
+}
+
+static int mtk_star_mdio_rwok_wait(struct mtk_star_priv *priv)
+{
+ unsigned int val;
+
+ return regmap_read_poll_timeout(priv->regs, MTK_STAR_REG_PHY_CTRL0,
+ val, val & MTK_STAR_BIT_PHY_CTRL0_RWOK,
+ 10, MTK_STAR_WAIT_TIMEOUT);
+}
+
+static int mtk_star_mdio_read(struct mii_bus *mii, int phy_id, int regnum)
+{
+ struct mtk_star_priv *priv = mii->priv;
+ unsigned int val, data;
+ int ret;
+
+ if (regnum & MII_ADDR_C45)
+ return -EOPNOTSUPP;
+
+ mtk_star_mdio_rwok_clear(priv);
+
+ val = (regnum << MTK_STAR_OFF_PHY_CTRL0_PREG);
+ val &= MTK_STAR_MSK_PHY_CTRL0_PREG;
+ val |= MTK_STAR_BIT_PHY_CTRL0_RDCMD;
+
+ regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0, val);
+
+ ret = mtk_star_mdio_rwok_wait(priv);
+ if (ret)
+ return ret;
+
+ regmap_read(priv->regs, MTK_STAR_REG_PHY_CTRL0, &data);
+
+ data &= MTK_STAR_MSK_PHY_CTRL0_RWDATA;
+ data >>= MTK_STAR_OFF_PHY_CTRL0_RWDATA;
+
+ return data;
+}
+
+static int mtk_star_mdio_write(struct mii_bus *mii, int phy_id,
+ int regnum, u16 data)
+{
+ struct mtk_star_priv *priv = mii->priv;
+ unsigned int val;
+
+ if (regnum & MII_ADDR_C45)
+ return -EOPNOTSUPP;
+
+ mtk_star_mdio_rwok_clear(priv);
+
+ val = data;
+ val <<= MTK_STAR_OFF_PHY_CTRL0_RWDATA;
+ val &= MTK_STAR_MSK_PHY_CTRL0_RWDATA;
+ regnum <<= MTK_STAR_OFF_PHY_CTRL0_PREG;
+ regnum &= MTK_STAR_MSK_PHY_CTRL0_PREG;
+ val |= regnum;
+ val |= MTK_STAR_BIT_PHY_CTRL0_WTCMD;
+
+ regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0, val);
+
+ return mtk_star_mdio_rwok_wait(priv);
+}
+
+static int mtk_star_mdio_init(struct net_device *ndev)
+{
+ struct mtk_star_priv *priv = netdev_priv(ndev);
+ struct device *dev = mtk_star_get_dev(priv);
+ struct device_node *of_node, *mdio_node;
+ int ret;
+
+ of_node = dev->of_node;
+
+ mdio_node = of_get_child_by_name(of_node, "mdio");
+ if (!mdio_node)
+ return -ENODEV;
+
+ if (!of_device_is_available(mdio_node)) {
+ ret = -ENODEV;
+ goto out_put_node;
+ }
+
+ priv->mii = devm_mdiobus_alloc(dev);
+ if (!priv->mii) {
+ ret = -ENOMEM;
+ goto out_put_node;
+ }
+
+ snprintf(priv->mii->id, MII_BUS_ID_SIZE, "%s", dev_name(dev));
+ priv->mii->name = "mtk-mac-mdio";
+ priv->mii->parent = dev;
+ priv->mii->read = mtk_star_mdio_read;
+ priv->mii->write = mtk_star_mdio_write;
+ priv->mii->priv = priv;
+
+ ret = of_mdiobus_register(priv->mii, mdio_node);
+
+out_put_node:
+ of_node_put(mdio_node);
+ return ret;
+}
+
+static __maybe_unused int mtk_star_suspend(struct device *dev)
+{
+ struct mtk_star_priv *priv;
+ struct net_device *ndev;
+
+ ndev = dev_get_drvdata(dev);
+ priv = netdev_priv(ndev);
+
+ if (netif_running(ndev))
+ mtk_star_disable(ndev);
+
+ clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks);
+
+ return 0;
+}
+
+static __maybe_unused int mtk_star_resume(struct device *dev)
+{
+ struct mtk_star_priv *priv;
+ struct net_device *ndev;
+ int ret;
+
+ ndev = dev_get_drvdata(dev);
+ priv = netdev_priv(ndev);
+
+ ret = clk_bulk_prepare_enable(MTK_STAR_NCLKS, priv->clks);
+ if (ret)
+ return ret;
+
+ if (netif_running(ndev)) {
+ ret = mtk_star_enable(ndev);
+ if (ret)
+ clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks);
+ }
+
+ return ret;
+}
+
+static void mtk_star_clk_disable_unprepare(void *data)
+{
+ struct mtk_star_priv *priv = data;
+
+ clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks);
+}
+
+static void mtk_star_mdiobus_unregister(void *data)
+{
+ struct mtk_star_priv *priv = data;
+
+ mdiobus_unregister(priv->mii);
+}
+
+static int mtk_star_probe(struct platform_device *pdev)
+{
+ struct device_node *of_node;
+ struct mtk_star_priv *priv;
+ struct net_device *ndev;
+ struct device *dev;
+ void __iomem *base;
+ int ret, i;
+
+ dev = &pdev->dev;
+ of_node = dev->of_node;
+
+ ndev = devm_alloc_etherdev(dev, sizeof(*priv));
+ if (!ndev)
+ return -ENOMEM;
+
+ priv = netdev_priv(ndev);
+ priv->ndev = ndev;
+ SET_NETDEV_DEV(ndev, dev);
+ platform_set_drvdata(pdev, ndev);
+
+ ndev->min_mtu = ETH_ZLEN;
+ ndev->max_mtu = MTK_STAR_MAX_FRAME_SIZE;
+
+ spin_lock_init(&priv->lock);
+ INIT_WORK(&priv->stats_work, mtk_star_update_stats_work);
+
+ base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ /* We won't be checking the return values of regmap read & write
+ * functions. They can only fail for mmio if there's a clock attached
+ * to regmap which is not the case here.
+ */
+ priv->regs = devm_regmap_init_mmio(dev, base,
+ &mtk_star_regmap_config);
+ if (IS_ERR(priv->regs))
+ return PTR_ERR(priv->regs);
+
+ priv->pericfg = syscon_regmap_lookup_by_phandle(of_node,
+ "mediatek,pericfg");
+ if (IS_ERR(priv->pericfg)) {
+ dev_err(dev, "Failed to lookup the PERICFG syscon\n");
+ return PTR_ERR(priv->pericfg);
+ }
+
+ ndev->irq = platform_get_irq(pdev, 0);
+ if (ndev->irq < 0)
+ return ndev->irq;
+
+ for (i = 0; i < MTK_STAR_NCLKS; i++)
+ priv->clks[i].id = mtk_star_clk_names[i];
+ ret = devm_clk_bulk_get(dev, MTK_STAR_NCLKS, priv->clks);
+ if (ret)
+ return ret;
+
+ ret = clk_bulk_prepare_enable(MTK_STAR_NCLKS, priv->clks);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev,
+ mtk_star_clk_disable_unprepare, priv);
+ if (ret)
+ return ret;
+
+ ret = of_get_phy_mode(of_node, &priv->phy_intf);
+ if (ret) {
+ return ret;
+ } else if (priv->phy_intf != PHY_INTERFACE_MODE_RMII) {
+ dev_err(dev, "unsupported phy mode: %s\n",
+ phy_modes(priv->phy_intf));
+ return -EINVAL;
+ }
+
+ priv->phy_node = of_parse_phandle(of_node, "phy-handle", 0);
+ if (!priv->phy_node) {
+ dev_err(dev, "failed to retrieve the phy handle from device tree\n");
+ return -ENODEV;
+ }
+
+ mtk_star_set_mode_rmii(priv);
+
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+ if (ret) {
+ dev_err(dev, "unsupported DMA mask\n");
+ return ret;
+ }
+
+ priv->ring_base = dmam_alloc_coherent(dev, MTK_STAR_DMA_SIZE,
+ &priv->dma_addr,
+ GFP_KERNEL | GFP_DMA);
+ if (!priv->ring_base)
+ return -ENOMEM;
+
+ mtk_star_nic_disable_pd(priv);
+ mtk_star_init_config(priv);
+
+ ret = mtk_star_mdio_init(ndev);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev, mtk_star_mdiobus_unregister, priv);
+ if (ret)
+ return ret;
+
+ ret = eth_platform_get_mac_address(dev, ndev->dev_addr);
+ if (ret || !is_valid_ether_addr(ndev->dev_addr))
+ eth_hw_addr_random(ndev);
+
+ ndev->netdev_ops = &mtk_star_netdev_ops;
+ ndev->ethtool_ops = &mtk_star_ethtool_ops;
+
+ netif_napi_add(ndev, &priv->napi, mtk_star_poll, MTK_STAR_NAPI_WEIGHT);
+
+ return devm_register_netdev(dev, ndev);
+}
+
+static const struct of_device_id mtk_star_of_match[] = {
+ { .compatible = "mediatek,mt8516-eth", },
+ { .compatible = "mediatek,mt8518-eth", },
+ { .compatible = "mediatek,mt8175-eth", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, mtk_star_of_match);
+
+static SIMPLE_DEV_PM_OPS(mtk_star_pm_ops,
+ mtk_star_suspend, mtk_star_resume);
+
+static struct platform_driver mtk_star_driver = {
+ .driver = {
+ .name = MTK_STAR_DRVNAME,
+ .pm = &mtk_star_pm_ops,
+ .of_match_table = of_match_ptr(mtk_star_of_match),
+ },
+ .probe = mtk_star_probe,
+};
+module_platform_driver(mtk_star_driver);
+
+MODULE_AUTHOR("Bartosz Golaszewski <bgolaszewski@baylibre.com>");
+MODULE_DESCRIPTION("Mediatek STAR Ethernet MAC Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/mellanox/mlx4/crdump.c b/drivers/net/ethernet/mellanox/mlx4/crdump.c
index 73eae80e1cb7..ac5468b77488 100644
--- a/drivers/net/ethernet/mellanox/mlx4/crdump.c
+++ b/drivers/net/ethernet/mellanox/mlx4/crdump.c
@@ -197,6 +197,7 @@ int mlx4_crdump_collect(struct mlx4_dev *dev)
err = devlink_region_snapshot_id_get(devlink, &id);
if (err) {
mlx4_err(dev, "crdump: devlink get snapshot id err %d\n", err);
+ iounmap(cr_space);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 8a5ea2543670..b816154bc79a 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1235,7 +1235,6 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
struct mlx4_en_priv *priv = netdev_priv(dev);
u32 n = mlx4_en_get_rxfh_indir_size(dev);
u32 i, rss_rings;
- int err = 0;
rss_rings = priv->prof->rss_rings ?: n;
rss_rings = rounddown_pow_of_two(rss_rings);
@@ -1249,7 +1248,7 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
if (hfunc)
*hfunc = priv->rss_hash_fn;
- return err;
+ return 0;
}
static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
@@ -1393,7 +1392,6 @@ static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
struct mlx4_spec_list *spec_l2,
unsigned char *mac)
{
- int err = 0;
__be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
@@ -1408,7 +1406,7 @@ static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
list_add_tail(&spec_l2->list, rule_list_h);
- return err;
+ return 0;
}
static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 43dcbd8214c6..5bd3cd37d50f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -51,7 +51,8 @@
#include "en_port.h"
#define MLX4_EN_MAX_XDP_MTU ((int)(PAGE_SIZE - ETH_HLEN - (2 * VLAN_HLEN) - \
- XDP_PACKET_HEADROOM))
+ XDP_PACKET_HEADROOM - \
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))))
int mlx4_en_setup_tc(struct net_device *dev, u8 up)
{
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index db3552f2d087..8a10285b0e10 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -683,6 +683,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
rcu_read_lock();
xdp_prog = rcu_dereference(ring->xdp_prog);
xdp.rxq = &ring->xdp_rxq;
+ xdp.frame_sz = priv->frag_info[0].frag_stride;
doorbell_pending = 0;
/* We assume a 1:1 mapping between CQEs and Rx descriptors, so Rx
@@ -946,7 +947,7 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget)
xdp_tx_cq = priv->tx_cq[TX_XDP][cq->ring];
if (xdp_tx_cq->xdp_busy) {
clean_complete = mlx4_en_process_tx_cq(dev, xdp_tx_cq,
- budget);
+ budget) < budget;
xdp_tx_cq->xdp_busy = !clean_complete;
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 4d5ca302c067..9dff7b086c9f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -43,6 +43,7 @@
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/moduleparam.h>
+#include <linux/indirect_call_wrapper.h>
#include "mlx4_en.h"
@@ -261,6 +262,10 @@ static void mlx4_en_stamp_wqe(struct mlx4_en_priv *priv,
}
}
+INDIRECT_CALLABLE_DECLARE(u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
+ struct mlx4_en_tx_ring *ring,
+ int index, u64 timestamp,
+ int napi_mode));
u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
@@ -329,6 +334,11 @@ u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
return tx_info->nr_txbb;
}
+INDIRECT_CALLABLE_DECLARE(u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
+ struct mlx4_en_tx_ring *ring,
+ int index, u64 timestamp,
+ int napi_mode));
+
u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
int index, u64 timestamp,
@@ -382,8 +392,8 @@ int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring)
return cnt;
}
-bool mlx4_en_process_tx_cq(struct net_device *dev,
- struct mlx4_en_cq *cq, int napi_budget)
+int mlx4_en_process_tx_cq(struct net_device *dev,
+ struct mlx4_en_cq *cq, int napi_budget)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_cq *mcq = &cq->mcq;
@@ -405,7 +415,7 @@ bool mlx4_en_process_tx_cq(struct net_device *dev,
u32 ring_cons;
if (unlikely(!priv->port_up))
- return true;
+ return 0;
netdev_txq_bql_complete_prefetchw(ring->tx_queue);
@@ -449,7 +459,9 @@ bool mlx4_en_process_tx_cq(struct net_device *dev,
timestamp = mlx4_en_get_cqe_ts(cqe);
/* free next descriptor */
- last_nr_txbb = ring->free_tx_desc(
+ last_nr_txbb = INDIRECT_CALL_2(ring->free_tx_desc,
+ mlx4_en_free_tx_desc,
+ mlx4_en_recycle_tx_desc,
priv, ring, ring_index,
timestamp, napi_budget);
@@ -480,7 +492,7 @@ bool mlx4_en_process_tx_cq(struct net_device *dev,
WRITE_ONCE(ring->cons, ring_cons + txbbs_skipped);
if (cq->type == TX_XDP)
- return done < budget;
+ return done;
netdev_tx_completed_queue(ring->tx_queue, packets, bytes);
@@ -492,7 +504,7 @@ bool mlx4_en_process_tx_cq(struct net_device *dev,
ring->wake_queue++;
}
- return done < budget;
+ return done;
}
void mlx4_en_tx_irq(struct mlx4_cq *mcq)
@@ -512,14 +524,14 @@ int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget)
struct mlx4_en_cq *cq = container_of(napi, struct mlx4_en_cq, napi);
struct net_device *dev = cq->dev;
struct mlx4_en_priv *priv = netdev_priv(dev);
- bool clean_complete;
+ int work_done;
- clean_complete = mlx4_en_process_tx_cq(dev, cq, budget);
- if (!clean_complete)
+ work_done = mlx4_en_process_tx_cq(dev, cq, budget);
+ if (work_done >= budget)
return budget;
- napi_complete(napi);
- mlx4_en_arm_cq(priv, cq);
+ if (napi_complete_done(napi, work_done))
+ mlx4_en_arm_cq(priv, cq);
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
index 6e501af0e532..f6ff9620a137 100644
--- a/drivers/net/ethernet/mellanox/mlx4/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
@@ -2734,7 +2734,7 @@ void mlx4_opreq_action(struct work_struct *work)
if (err) {
mlx4_err(dev, "Failed to retrieve required operation: %d\n",
err);
- return;
+ goto out;
}
MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 5716c3d2bb86..c72c4e1ea383 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2550,6 +2550,7 @@ static int mlx4_allocate_default_counters(struct mlx4_dev *dev)
if (!err || err == -ENOSPC) {
priv->def_counter[port] = idx;
+ err = 0;
} else if (err == -ENOENT) {
err = 0;
continue;
@@ -2600,7 +2601,8 @@ int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage)
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
if (!err)
*idx = get_param_l(&out_param);
-
+ if (WARN_ON(err == -ENOSPC))
+ err = -EINVAL;
return err;
}
return __mlx4_counter_alloc(dev, idx);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 630f15977f09..9f5603612960 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -737,8 +737,8 @@ int mlx4_en_process_rx_cq(struct net_device *dev,
int budget);
int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget);
-bool mlx4_en_process_tx_cq(struct net_device *dev,
- struct mlx4_en_cq *cq, int napi_budget);
+int mlx4_en_process_tx_cq(struct net_device *dev,
+ struct mlx4_en_cq *cq, int napi_budget);
u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,
int index, u64 timestamp,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 312e0a1ad43d..b6ffd1622cfd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -7,10 +7,10 @@ config MLX5_CORE
tristate "Mellanox 5th generation network adapters (ConnectX series) core driver"
depends on PCI
select NET_DEVLINK
- imply PTP_1588_CLOCK
- imply VXLAN
- imply MLXFW
- imply PCI_HYPERV_INTERFACE
+ depends on VXLAN || !VXLAN
+ depends on MLXFW || !MLXFW
+ depends on PTP_1588_CLOCK || !PTP_1588_CLOCK
+ depends on PCI_HYPERV_INTERFACE || !PCI_HYPERV_INTERFACE
default n
---help---
Core driver for low level functionality of the ConnectX-4 and
@@ -78,9 +78,24 @@ config MLX5_ESWITCH
Legacy SRIOV mode (L2 mac vlan steering based).
Switchdev mode (eswitch offloads).
+config MLX5_CLS_ACT
+ bool "MLX5 TC classifier action support"
+ depends on MLX5_ESWITCH && NET_CLS_ACT
+ default y
+ help
+ mlx5 ConnectX offloads support for TC classifier action (NET_CLS_ACT),
+ works in both native NIC mode and Switchdev SRIOV mode.
+ Actions get attached to a Hardware offloaded classifiers and are
+ invoked after a successful classification. Actions are used to
+ overwrite the classification result, instantly drop or redirect and/or
+ reformat packets in wire speeds without involving the host cpu.
+
+ If set to N, TC offloads in both NIC and switchdev modes will be disabled.
+ If unsure, set to Y
+
config MLX5_TC_CT
bool "MLX5 TC connection tracking offload support"
- depends on MLX5_CORE_EN && NET_SWITCHDEV && NF_FLOW_TABLE && NET_ACT_CT && NET_TC_SKB_EXT
+ depends on MLX5_CLS_ACT && NF_FLOW_TABLE && NET_ACT_CT && NET_TC_SKB_EXT
default y
help
Say Y here if you want to support offloading connection tracking rules
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 6d32915000fc..b61e47bc16e8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -12,7 +12,7 @@ obj-$(CONFIG_MLX5_CORE) += mlx5_core.o
# mlx5 core basic
#
mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
- health.o mcg.o cq.o alloc.o qp.o port.o mr.o pd.o \
+ health.o mcg.o cq.o alloc.o port.o mr.o pd.o \
transobj.o vport.o sriov.o fs_cmd.o fs_core.o pci_irq.o \
fs_counters.o rl.o lag.o dev.o events.o wq.o lib/gid.o \
lib/devcom.o lib/pci_vsc.o lib/dm.o diag/fs_tracepoint.o \
@@ -33,17 +33,24 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += en_main.o en_common.o en_fs.o en_ethtool.o \
mlx5_core-$(CONFIG_MLX5_EN_ARFS) += en_arfs.o
mlx5_core-$(CONFIG_MLX5_EN_RXNFC) += en_fs_ethtool.o
mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o en/port_buffer.o
-mlx5_core-$(CONFIG_MLX5_ESWITCH) += en_rep.o en_tc.o en/tc_tun.o lib/port_tun.o lag_mp.o \
- lib/geneve.o en/mapping.o en/tc_tun_vxlan.o en/tc_tun_gre.o \
- en/tc_tun_geneve.o diag/en_tc_tracepoint.o
mlx5_core-$(CONFIG_PCI_HYPERV_INTERFACE) += en/hv_vhca_stats.o
+mlx5_core-$(CONFIG_MLX5_ESWITCH) += lag_mp.o lib/geneve.o lib/port_tun.o \
+ en_rep.o en/rep/bond.o
+mlx5_core-$(CONFIG_MLX5_CLS_ACT) += en_tc.o en/rep/tc.o en/rep/neigh.o \
+ en/mapping.o esw/chains.o en/tc_tun.o \
+ en/tc_tun_vxlan.o en/tc_tun_gre.o en/tc_tun_geneve.o \
+ en/tc_tun_mplsoudp.o diag/en_tc_tracepoint.o
mlx5_core-$(CONFIG_MLX5_TC_CT) += en/tc_ct.o
#
# Core extra
#
mlx5_core-$(CONFIG_MLX5_ESWITCH) += eswitch.o eswitch_offloads.o eswitch_offloads_termtbl.o \
- ecpf.o rdma.o esw/chains.o
+ ecpf.o rdma.o
+mlx5_core-$(CONFIG_MLX5_ESWITCH) += esw/acl/helper.o \
+ esw/acl/egress_lgcy.o esw/acl/egress_ofld.o \
+ esw/acl/ingress_lgcy.o esw/acl/ingress_ofld.o
+
mlx5_core-$(CONFIG_MLX5_MPFS) += lib/mpfs.o
mlx5_core-$(CONFIG_VXLAN) += lib/vxlan.o
mlx5_core-$(CONFIG_PTP_1588_CLOCK) += lib/clock.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
index c13260467750..82b185121edb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
@@ -5,7 +5,6 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
-#include "en.h"
static inline bool is_metadata_hdr_valid(struct sk_buff *skb)
{
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
index eddc34e4a762..8a4985d8cbfe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
@@ -58,12 +58,21 @@ int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
- const __be32 saddr[4],
- const __be32 daddr[4],
- const __be32 spi, bool is_ipv6)
+ u32 *sa_handle)
{
- return mlx5_fpga_ipsec_create_sa_ctx(mdev, xfrm, saddr, daddr,
- spi, is_ipv6);
+ __be32 saddr[4] = {}, daddr[4] = {};
+
+ if (!xfrm->attrs.is_ipv6) {
+ saddr[3] = xfrm->attrs.saddr.a4;
+ daddr[3] = xfrm->attrs.daddr.a4;
+ } else {
+ memcpy(saddr, xfrm->attrs.saddr.a6, sizeof(saddr));
+ memcpy(daddr, xfrm->attrs.daddr.a6, sizeof(daddr));
+ }
+
+ return mlx5_fpga_ipsec_create_sa_ctx(mdev, xfrm, saddr,
+ daddr, xfrm->attrs.spi,
+ xfrm->attrs.is_ipv6, sa_handle);
}
void mlx5_accel_esp_free_hw_context(void *context)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
index 530e428d46ab..e89747674712 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
@@ -48,9 +48,7 @@ int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
- const __be32 saddr[4],
- const __be32 daddr[4],
- const __be32 spi, bool is_ipv6);
+ u32 *sa_handle);
void mlx5_accel_esp_free_hw_context(void *context);
int mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev);
@@ -64,9 +62,7 @@ void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev);
static inline void *
mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
- const __be32 saddr[4],
- const __be32 daddr[4],
- const __be32 spi, bool is_ipv6)
+ u32 *sa_handle)
{
return NULL;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.c
index cab708af3422..cbf3d76c05a8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.c
@@ -56,8 +56,8 @@ void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
mlx5_fpga_tls_del_flow(mdev, swid, GFP_KERNEL, direction_sx);
}
-int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
- u64 rcd_sn)
+int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
+ u32 seq, __be64 rcd_sn)
{
return mlx5_fpga_tls_resync_rx(mdev, handle, seq, rcd_sn);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
index e09bc3858d57..aefea467f7b3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
@@ -109,8 +109,8 @@ int mlx5_accel_tls_add_flow(struct mlx5_core_dev *mdev, void *flow,
bool direction_sx);
void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
bool direction_sx);
-int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
- u64 rcd_sn);
+int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
+ u32 seq, __be64 rcd_sn);
bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev);
u32 mlx5_accel_tls_device_caps(struct mlx5_core_dev *mdev);
int mlx5_accel_tls_init(struct mlx5_core_dev *mdev);
@@ -125,8 +125,8 @@ mlx5_accel_tls_add_flow(struct mlx5_core_dev *mdev, void *flow,
bool direction_sx) { return -ENOTSUPP; }
static inline void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
bool direction_sx) { }
-static inline int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle,
- u32 seq, u64 rcd_sn) { return 0; }
+static inline int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
+ u32 seq, __be64 rcd_sn) { return 0; }
static inline bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev)
{
return mlx5_accel_is_ktls_device(mdev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 34cba97f7bf4..1d91a0d0ab1d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -848,6 +848,14 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg);
static void mlx5_free_cmd_msg(struct mlx5_core_dev *dev,
struct mlx5_cmd_msg *msg);
+static bool opcode_allowed(struct mlx5_cmd *cmd, u16 opcode)
+{
+ if (cmd->allowed_opcode == CMD_ALLOWED_OPCODE_ALL)
+ return true;
+
+ return cmd->allowed_opcode == opcode;
+}
+
static void cmd_work_handler(struct work_struct *work)
{
struct mlx5_cmd_work_ent *ent = container_of(work, struct mlx5_cmd_work_ent, work);
@@ -861,6 +869,7 @@ static void cmd_work_handler(struct work_struct *work)
int alloc_ret;
int cmd_mode;
+ complete(&ent->handling);
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
@@ -888,7 +897,6 @@ static void cmd_work_handler(struct work_struct *work)
}
cmd->ent_arr[ent->idx] = ent;
- set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
lay = get_inst(cmd, ent->idx);
ent->lay = lay;
memset(lay, 0, sizeof(*lay));
@@ -910,10 +918,13 @@ static void cmd_work_handler(struct work_struct *work)
if (ent->callback)
schedule_delayed_work(&ent->cb_timeout_work, cb_timeout);
+ set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state);
/* Skip sending command to fw if internal error */
if (pci_channel_offline(dev->pdev) ||
- dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
+ dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR ||
+ cmd->state != MLX5_CMDIF_STATE_UP ||
+ !opcode_allowed(&dev->cmd, ent->op)) {
u8 status = 0;
u32 drv_synd;
@@ -922,6 +933,10 @@ static void cmd_work_handler(struct work_struct *work)
MLX5_SET(mbox_out, ent->out, syndrome, drv_synd);
mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
+ /* no doorbell, no need to keep the entry */
+ free_ent(cmd, ent->idx);
+ if (ent->callback)
+ free_cmd(ent);
return;
}
@@ -974,6 +989,11 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
struct mlx5_cmd *cmd = &dev->cmd;
int err;
+ if (!wait_for_completion_timeout(&ent->handling, timeout) &&
+ cancel_work_sync(&ent->work)) {
+ ent->ret = -ECANCELED;
+ goto out_err;
+ }
if (cmd->mode == CMD_MODE_POLLING || ent->polling) {
wait_for_completion(&ent->done);
} else if (!wait_for_completion_timeout(&ent->done, timeout)) {
@@ -981,12 +1001,17 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent)
mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true);
}
+out_err:
err = ent->ret;
if (err == -ETIMEDOUT) {
mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n",
mlx5_command_str(msg_to_opcode(ent->in)),
msg_to_opcode(ent->in));
+ } else if (err == -ECANCELED) {
+ mlx5_core_warn(dev, "%s(0x%x) canceled on out of queue timeout.\n",
+ mlx5_command_str(msg_to_opcode(ent->in)),
+ msg_to_opcode(ent->in));
}
mlx5_core_dbg(dev, "err %d, delivery status %s(%d)\n",
err, deliv_status_to_str(ent->status), ent->status);
@@ -1022,6 +1047,7 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
ent->token = token;
ent->polling = force_polling;
+ init_completion(&ent->handling);
if (!callback)
init_completion(&ent->done);
@@ -1041,10 +1067,12 @@ static int mlx5_cmd_invoke(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *in,
err = wait_func(dev, ent);
if (err == -ETIMEDOUT)
goto out;
+ if (err == -ECANCELED)
+ goto out_free;
ds = ent->ts2 - ent->ts1;
op = MLX5_GET(mbox_in, in->first.data, opcode);
- if (op < ARRAY_SIZE(cmd->stats)) {
+ if (op < MLX5_CMD_OP_MAX) {
stats = &cmd->stats[op];
spin_lock_irq(&stats->lock);
stats->sum += ds;
@@ -1387,6 +1415,22 @@ static void create_debugfs_files(struct mlx5_core_dev *dev)
mlx5_cmdif_debugfs_init(dev);
}
+void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode)
+{
+ struct mlx5_cmd *cmd = &dev->cmd;
+ int i;
+
+ for (i = 0; i < cmd->max_reg_cmds; i++)
+ down(&cmd->sem);
+ down(&cmd->pages_sem);
+
+ cmd->allowed_opcode = opcode;
+
+ up(&cmd->pages_sem);
+ for (i = 0; i < cmd->max_reg_cmds; i++)
+ up(&cmd->sem);
+}
+
static void mlx5_cmd_change_mod(struct mlx5_core_dev *dev, int mode)
{
struct mlx5_cmd *cmd = &dev->cmd;
@@ -1507,7 +1551,7 @@ static void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool force
if (ent->callback) {
ds = ent->ts2 - ent->ts1;
- if (ent->op < ARRAY_SIZE(cmd->stats)) {
+ if (ent->op < MLX5_CMD_OP_MAX) {
stats = &cmd->stats[ent->op];
spin_lock_irqsave(&stats->lock, flags);
stats->sum += ds;
@@ -1663,12 +1707,14 @@ static int cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int err;
u8 status = 0;
u32 drv_synd;
+ u16 opcode;
u8 token;
+ opcode = MLX5_GET(mbox_in, in, opcode);
if (pci_channel_offline(dev->pdev) ||
- dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) {
- u16 opcode = MLX5_GET(mbox_in, in, opcode);
-
+ dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR ||
+ dev->cmd.state != MLX5_CMDIF_STATE_UP ||
+ !opcode_allowed(&dev->cmd, opcode)) {
err = mlx5_internal_err_ret_value(dev, opcode, &drv_synd, &status);
MLX5_SET(mbox_out, out, status, status);
MLX5_SET(mbox_out, out, syndrome, drv_synd);
@@ -1890,6 +1936,11 @@ static void free_cmd_page(struct mlx5_core_dev *dev, struct mlx5_cmd *cmd)
cmd->alloc_dma);
}
+static u16 cmdif_rev(struct mlx5_core_dev *dev)
+{
+ return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
+}
+
int mlx5_cmd_init(struct mlx5_core_dev *dev)
{
int size = sizeof(struct mlx5_cmd_prot_block);
@@ -1909,10 +1960,16 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
return -EINVAL;
}
- cmd->pool = dma_pool_create("mlx5_cmd", dev->device, size, align, 0);
- if (!cmd->pool)
+ cmd->stats = kvzalloc(MLX5_CMD_OP_MAX * sizeof(*cmd->stats), GFP_KERNEL);
+ if (!cmd->stats)
return -ENOMEM;
+ cmd->pool = dma_pool_create("mlx5_cmd", dev->device, size, align, 0);
+ if (!cmd->pool) {
+ err = -ENOMEM;
+ goto dma_pool_err;
+ }
+
err = alloc_cmd_page(dev, cmd);
if (err)
goto err_free_pool;
@@ -1933,6 +1990,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
goto err_free_page;
}
+ cmd->state = MLX5_CMDIF_STATE_DOWN;
cmd->checksum_disabled = 1;
cmd->max_reg_cmds = (1 << cmd->log_sz) - 1;
cmd->bitmask = (1UL << cmd->max_reg_cmds) - 1;
@@ -1947,7 +2005,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
spin_lock_init(&cmd->alloc_lock);
spin_lock_init(&cmd->token_lock);
- for (i = 0; i < ARRAY_SIZE(cmd->stats); i++)
+ for (i = 0; i < MLX5_CMD_OP_MAX; i++)
spin_lock_init(&cmd->stats[i].lock);
sema_init(&cmd->sem, cmd->max_reg_cmds);
@@ -1970,6 +2028,7 @@ int mlx5_cmd_init(struct mlx5_core_dev *dev)
mlx5_core_dbg(dev, "descriptor at dma 0x%llx\n", (unsigned long long)(cmd->dma));
cmd->mode = CMD_MODE_POLLING;
+ cmd->allowed_opcode = CMD_ALLOWED_OPCODE_ALL;
create_msg_cache(dev);
@@ -1993,7 +2052,8 @@ err_free_page:
err_free_pool:
dma_pool_destroy(cmd->pool);
-
+dma_pool_err:
+ kvfree(cmd->stats);
return err;
}
EXPORT_SYMBOL(mlx5_cmd_init);
@@ -2007,5 +2067,13 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev)
destroy_msg_cache(dev);
free_cmd_page(dev, cmd);
dma_pool_destroy(cmd->pool);
+ kvfree(cmd->stats);
}
EXPORT_SYMBOL(mlx5_cmd_cleanup);
+
+void mlx5_cmd_set_state(struct mlx5_core_dev *dev,
+ enum mlx5_cmdif_state cmdif_state)
+{
+ dev->cmd.state = cmdif_state;
+}
+EXPORT_SYMBOL(mlx5_cmd_set_state);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cq.c b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
index 818edc63e428..8379b24cb838 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cq.c
@@ -34,7 +34,6 @@
#include <linux/module.h>
#include <linux/hardirq.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include <rdma/ib_verbs.h>
#include <linux/mlx5/cq.h>
#include "mlx5_core.h"
@@ -91,8 +90,7 @@ int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen, u32 *out, int outlen)
{
int eqn = MLX5_GET(cqc, MLX5_ADDR_OF(create_cq_in, in, cq_context), c_eqn);
- u32 dout[MLX5_ST_SZ_DW(destroy_cq_out)];
- u32 din[MLX5_ST_SZ_DW(destroy_cq_in)];
+ u32 din[MLX5_ST_SZ_DW(destroy_cq_in)] = {};
struct mlx5_eq_comp *eq;
int err;
@@ -142,20 +140,17 @@ int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
err_cq_add:
mlx5_eq_del_cq(&eq->core, cq);
err_cmd:
- memset(din, 0, sizeof(din));
- memset(dout, 0, sizeof(dout));
MLX5_SET(destroy_cq_in, din, opcode, MLX5_CMD_OP_DESTROY_CQ);
MLX5_SET(destroy_cq_in, din, cqn, cq->cqn);
MLX5_SET(destroy_cq_in, din, uid, cq->uid);
- mlx5_cmd_exec(dev, din, sizeof(din), dout, sizeof(dout));
+ mlx5_cmd_exec_in(dev, destroy_cq, din);
return err;
}
EXPORT_SYMBOL(mlx5_core_create_cq);
int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq)
{
- u32 out[MLX5_ST_SZ_DW(destroy_cq_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_cq_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_cq_in)] = {};
int err;
mlx5_eq_del_cq(mlx5_get_async_eq(dev), cq);
@@ -164,7 +159,7 @@ int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq)
MLX5_SET(destroy_cq_in, in, opcode, MLX5_CMD_OP_DESTROY_CQ);
MLX5_SET(destroy_cq_in, in, cqn, cq->cqn);
MLX5_SET(destroy_cq_in, in, uid, cq->uid);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_in(dev, destroy_cq, in);
if (err)
return err;
@@ -179,20 +174,20 @@ int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq)
EXPORT_SYMBOL(mlx5_core_destroy_cq);
int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
- u32 *out, int outlen)
+ u32 *out)
{
- u32 in[MLX5_ST_SZ_DW(query_cq_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_cq_in)] = {};
MLX5_SET(query_cq_in, in, opcode, MLX5_CMD_OP_QUERY_CQ);
MLX5_SET(query_cq_in, in, cqn, cq->cqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ return mlx5_cmd_exec_inout(dev, query_cq, in, out);
}
EXPORT_SYMBOL(mlx5_core_query_cq);
int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen)
{
- u32 out[MLX5_ST_SZ_DW(modify_cq_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(modify_cq_out)] = {};
MLX5_SET(modify_cq_in, in, opcode, MLX5_CMD_OP_MODIFY_CQ);
MLX5_SET(modify_cq_in, in, uid, cq->uid);
@@ -205,7 +200,7 @@ int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev,
u16 cq_period,
u16 cq_max_count)
{
- u32 in[MLX5_ST_SZ_DW(modify_cq_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_cq_in)] = {};
void *cqc;
MLX5_SET(modify_cq_in, in, cqn, cq->cqn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
index 04854e5fbcd7..07c8d9811bc8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c
@@ -101,15 +101,15 @@ void mlx5_unregister_debugfs(void)
void mlx5_qp_debugfs_init(struct mlx5_core_dev *dev)
{
- atomic_set(&dev->num_qps, 0);
-
dev->priv.qp_debugfs = debugfs_create_dir("QPs", dev->priv.dbg_root);
}
+EXPORT_SYMBOL(mlx5_qp_debugfs_init);
void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev)
{
debugfs_remove_recursive(dev->priv.qp_debugfs);
}
+EXPORT_SYMBOL(mlx5_qp_debugfs_cleanup);
void mlx5_eq_debugfs_init(struct mlx5_core_dev *dev)
{
@@ -171,7 +171,7 @@ void mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev)
cmd = &dev->priv.cmdif_debugfs;
*cmd = debugfs_create_dir("commands", dev->priv.dbg_root);
- for (i = 0; i < ARRAY_SIZE(dev->cmd.stats); i++) {
+ for (i = 0; i < MLX5_CMD_OP_MAX; i++) {
stats = &dev->cmd.stats[i];
namep = mlx5_command_str(i);
if (strcmp(namep, "unknown command opcode")) {
@@ -203,41 +203,41 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
int index, int *is_str)
{
int outlen = MLX5_ST_SZ_BYTES(query_qp_out);
- struct mlx5_qp_context *ctx;
+ u32 in[MLX5_ST_SZ_DW(query_qp_in)] = {};
u64 param = 0;
u32 *out;
+ int state;
+ u32 *qpc;
int err;
- int no_sq;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
- return param;
+ return 0;
- err = mlx5_core_qp_query(dev, qp, out, outlen);
- if (err) {
- mlx5_core_warn(dev, "failed to query qp err=%d\n", err);
+ MLX5_SET(query_qp_in, in, opcode, MLX5_CMD_OP_QUERY_QP);
+ MLX5_SET(query_qp_in, in, qpn, qp->qpn);
+ err = mlx5_cmd_exec_inout(dev, query_qp, in, out);
+ if (err)
goto out;
- }
*is_str = 0;
- /* FIXME: use MLX5_GET rather than mlx5_qp_context manual struct */
- ctx = (struct mlx5_qp_context *)MLX5_ADDR_OF(query_qp_out, out, qpc);
-
+ qpc = MLX5_ADDR_OF(query_qp_out, out, qpc);
switch (index) {
case QP_PID:
param = qp->pid;
break;
case QP_STATE:
- param = (unsigned long)mlx5_qp_state_str(be32_to_cpu(ctx->flags) >> 28);
+ state = MLX5_GET(qpc, qpc, state);
+ param = (unsigned long)mlx5_qp_state_str(state);
*is_str = 1;
break;
case QP_XPORT:
- param = (unsigned long)mlx5_qp_type_str((be32_to_cpu(ctx->flags) >> 16) & 0xff);
+ param = (unsigned long)mlx5_qp_type_str(MLX5_GET(qpc, qpc, st));
*is_str = 1;
break;
case QP_MTU:
- switch (ctx->mtu_msgmax >> 5) {
+ switch (MLX5_GET(qpc, qpc, mtu)) {
case IB_MTU_256:
param = 256;
break;
@@ -258,46 +258,32 @@ static u64 qp_read_field(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
}
break;
case QP_N_RECV:
- param = 1 << ((ctx->rq_size_stride >> 3) & 0xf);
+ param = 1 << MLX5_GET(qpc, qpc, log_rq_size);
break;
case QP_RECV_SZ:
- param = 1 << ((ctx->rq_size_stride & 7) + 4);
+ param = 1 << (MLX5_GET(qpc, qpc, log_rq_stride) + 4);
break;
case QP_N_SEND:
- no_sq = be16_to_cpu(ctx->sq_crq_size) >> 15;
- if (!no_sq)
- param = 1 << (be16_to_cpu(ctx->sq_crq_size) >> 11);
- else
- param = 0;
+ if (!MLX5_GET(qpc, qpc, no_sq))
+ param = 1 << MLX5_GET(qpc, qpc, log_sq_size);
break;
case QP_LOG_PG_SZ:
- param = (be32_to_cpu(ctx->log_pg_sz_remote_qpn) >> 24) & 0x1f;
- param += 12;
+ param = MLX5_GET(qpc, qpc, log_page_size) + 12;
break;
case QP_RQPN:
- param = be32_to_cpu(ctx->log_pg_sz_remote_qpn) & 0xffffff;
+ param = MLX5_GET(qpc, qpc, remote_qpn);
break;
}
-
out:
kfree(out);
return param;
}
-static int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
- u32 *out, int outlen)
-{
- u32 in[MLX5_ST_SZ_DW(query_eq_in)] = {};
-
- MLX5_SET(query_eq_in, in, opcode, MLX5_CMD_OP_QUERY_EQ);
- MLX5_SET(query_eq_in, in, eq_number, eq->eqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
-}
-
static u64 eq_read_field(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
int index)
{
int outlen = MLX5_ST_SZ_BYTES(query_eq_out);
+ u32 in[MLX5_ST_SZ_DW(query_eq_in)] = {};
u64 param = 0;
void *ctx;
u32 *out;
@@ -307,7 +293,9 @@ static u64 eq_read_field(struct mlx5_core_dev *dev, struct mlx5_eq *eq,
if (!out)
return param;
- err = mlx5_core_eq_query(dev, eq, out, outlen);
+ MLX5_SET(query_eq_in, in, opcode, MLX5_CMD_OP_QUERY_EQ);
+ MLX5_SET(query_eq_in, in, eq_number, eq->eqn);
+ err = mlx5_cmd_exec_inout(dev, query_eq, in, out);
if (err) {
mlx5_core_warn(dev, "failed to query eq\n");
goto out;
@@ -344,7 +332,7 @@ static u64 cq_read_field(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
if (!out)
return param;
- err = mlx5_core_query_cq(dev, cq, out, outlen);
+ err = mlx5_core_query_cq(dev, cq, out);
if (err) {
mlx5_core_warn(dev, "failed to query cq\n");
goto out;
@@ -461,6 +449,7 @@ int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
return err;
}
+EXPORT_SYMBOL(mlx5_debug_qp_add);
void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
{
@@ -470,6 +459,7 @@ void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp)
if (qp->dbg)
rem_res_tree(qp->dbg);
}
+EXPORT_SYMBOL(mlx5_debug_qp_remove);
int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
{
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
index 8ecac81a385d..a700f3c86899 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fs_tracepoint.c
@@ -76,58 +76,59 @@ static void print_lyr_2_4_hdrs(struct trace_seq *p,
.v = MLX5_GET(fte_match_set_lyr_2_4, value, dmac_47_16) << 16 |
MLX5_GET(fte_match_set_lyr_2_4, value, dmac_15_0)};
MASK_VAL_L2(u16, ethertype, ethertype);
+ MASK_VAL_L2(u8, ip_version, ip_version);
PRINT_MASKED_VALP(smac, u8 *, p, "%pM");
PRINT_MASKED_VALP(dmac, u8 *, p, "%pM");
PRINT_MASKED_VAL(ethertype, p, "%04x");
- if (ethertype.m == 0xffff) {
- if (ethertype.v == ETH_P_IP) {
+ if ((ethertype.m == 0xffff && ethertype.v == ETH_P_IP) ||
+ (ip_version.m == 0xf && ip_version.v == 4)) {
#define MASK_VAL_L2_BE(type, name, fld) \
MASK_VAL_BE(type, fte_match_set_lyr_2_4, name, mask, value, fld)
- MASK_VAL_L2_BE(u32, src_ipv4,
- src_ipv4_src_ipv6.ipv4_layout.ipv4);
- MASK_VAL_L2_BE(u32, dst_ipv4,
- dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+ MASK_VAL_L2_BE(u32, src_ipv4,
+ src_ipv4_src_ipv6.ipv4_layout.ipv4);
+ MASK_VAL_L2_BE(u32, dst_ipv4,
+ dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
- PRINT_MASKED_VALP(src_ipv4, typeof(&src_ipv4.v), p,
- "%pI4");
- PRINT_MASKED_VALP(dst_ipv4, typeof(&dst_ipv4.v), p,
- "%pI4");
- } else if (ethertype.v == ETH_P_IPV6) {
- static const struct in6_addr full_ones = {
- .in6_u.u6_addr32 = {__constant_htonl(0xffffffff),
- __constant_htonl(0xffffffff),
- __constant_htonl(0xffffffff),
- __constant_htonl(0xffffffff)},
- };
- DECLARE_MASK_VAL(struct in6_addr, src_ipv6);
- DECLARE_MASK_VAL(struct in6_addr, dst_ipv6);
+ PRINT_MASKED_VALP(src_ipv4, typeof(&src_ipv4.v), p,
+ "%pI4");
+ PRINT_MASKED_VALP(dst_ipv4, typeof(&dst_ipv4.v), p,
+ "%pI4");
+ } else if ((ethertype.m == 0xffff && ethertype.v == ETH_P_IPV6) ||
+ (ip_version.m == 0xf && ip_version.v == 6)) {
+ static const struct in6_addr full_ones = {
+ .in6_u.u6_addr32 = {__constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff),
+ __constant_htonl(0xffffffff)},
+ };
+ DECLARE_MASK_VAL(struct in6_addr, src_ipv6);
+ DECLARE_MASK_VAL(struct in6_addr, dst_ipv6);
- memcpy(src_ipv6.m.in6_u.u6_addr8,
- MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
- src_ipv4_src_ipv6.ipv6_layout.ipv6),
- sizeof(src_ipv6.m));
- memcpy(dst_ipv6.m.in6_u.u6_addr8,
- MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
- dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
- sizeof(dst_ipv6.m));
- memcpy(src_ipv6.v.in6_u.u6_addr8,
- MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
- src_ipv4_src_ipv6.ipv6_layout.ipv6),
- sizeof(src_ipv6.v));
- memcpy(dst_ipv6.v.in6_u.u6_addr8,
- MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
- dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
- sizeof(dst_ipv6.v));
+ memcpy(src_ipv6.m.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
+ src_ipv4_src_ipv6.ipv6_layout.ipv6),
+ sizeof(src_ipv6.m));
+ memcpy(dst_ipv6.m.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, mask,
+ dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+ sizeof(dst_ipv6.m));
+ memcpy(src_ipv6.v.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
+ src_ipv4_src_ipv6.ipv6_layout.ipv6),
+ sizeof(src_ipv6.v));
+ memcpy(dst_ipv6.v.in6_u.u6_addr8,
+ MLX5_ADDR_OF(fte_match_set_lyr_2_4, value,
+ dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+ sizeof(dst_ipv6.v));
- if (!memcmp(&src_ipv6.m, &full_ones, sizeof(full_ones)))
- trace_seq_printf(p, "src_ipv6=%pI6 ",
- &src_ipv6.v);
- if (!memcmp(&dst_ipv6.m, &full_ones, sizeof(full_ones)))
- trace_seq_printf(p, "dst_ipv6=%pI6 ",
- &dst_ipv6.v);
- }
+ if (!memcmp(&src_ipv6.m, &full_ones, sizeof(full_ones)))
+ trace_seq_printf(p, "src_ipv6=%pI6 ",
+ &src_ipv6.v);
+ if (!memcmp(&dst_ipv6.m, &full_ones, sizeof(full_ones)))
+ trace_seq_printf(p, "dst_ipv6=%pI6 ",
+ &dst_ipv6.v);
}
#define PRINT_MASKED_VAL_L2(type, name, fld, p, format) {\
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
index c9c9b479bda5..a7551274be58 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
@@ -684,7 +684,7 @@ static void mlx5_fw_tracer_handle_traces(struct work_struct *work)
get_block_timestamp(tracer, &tmp_trace_block[TRACES_PER_BLOCK - 1]);
while (block_timestamp > tracer->last_timestamp) {
- /* Check block override if its not the first block */
+ /* Check block override if it's not the first block */
if (!tracer->last_timestamp) {
u64 *ts_event;
/* To avoid block override be the HW in case of buffer
@@ -935,7 +935,7 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev)
return NULL;
}
- tracer = kzalloc(sizeof(*tracer), GFP_KERNEL);
+ tracer = kvzalloc(sizeof(*tracer), GFP_KERNEL);
if (!tracer)
return ERR_PTR(-ENOMEM);
@@ -982,7 +982,7 @@ destroy_workqueue:
tracer->dev = NULL;
destroy_workqueue(tracer->work_queue);
free_tracer:
- kfree(tracer);
+ kvfree(tracer);
return ERR_PTR(err);
}
@@ -1061,7 +1061,7 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer)
mlx5_fw_tracer_destroy_log_buf(tracer);
flush_workqueue(tracer->work_queue);
destroy_workqueue(tracer->work_queue);
- kfree(tracer);
+ kvfree(tracer);
}
static int fw_tracer_event(struct notifier_block *nb, unsigned long action, void *data)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ecpf.c b/drivers/net/ethernet/mellanox/mlx5/core/ecpf.c
index d2228e37450f..a894ea98c95a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ecpf.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ecpf.c
@@ -8,33 +8,13 @@ bool mlx5_read_embedded_cpu(struct mlx5_core_dev *dev)
return (ioread32be(&dev->iseg->initializing) >> MLX5_ECPU_BIT_NUM) & 1;
}
-static int mlx5_peer_pf_enable_hca(struct mlx5_core_dev *dev)
-{
- u32 out[MLX5_ST_SZ_DW(enable_hca_out)] = {};
- u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {};
-
- MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA);
- MLX5_SET(enable_hca_in, in, function_id, 0);
- MLX5_SET(enable_hca_in, in, embedded_cpu_function, 0);
- return mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
-}
-
-static int mlx5_peer_pf_disable_hca(struct mlx5_core_dev *dev)
-{
- u32 out[MLX5_ST_SZ_DW(disable_hca_out)] = {};
- u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {};
-
- MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA);
- MLX5_SET(disable_hca_in, in, function_id, 0);
- MLX5_SET(disable_hca_in, in, embedded_cpu_function, 0);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-
static int mlx5_peer_pf_init(struct mlx5_core_dev *dev)
{
+ u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {};
int err;
- err = mlx5_peer_pf_enable_hca(dev);
+ MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA);
+ err = mlx5_cmd_exec_in(dev, enable_hca, in);
if (err)
mlx5_core_err(dev, "Failed to enable peer PF HCA err(%d)\n",
err);
@@ -44,9 +24,11 @@ static int mlx5_peer_pf_init(struct mlx5_core_dev *dev)
static void mlx5_peer_pf_cleanup(struct mlx5_core_dev *dev)
{
+ u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {};
int err;
- err = mlx5_peer_pf_disable_hca(dev);
+ MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA);
+ err = mlx5_cmd_exec_in(dev, disable_hca, in);
if (err) {
mlx5_core_err(dev, "Failed to disable peer PF HCA err(%d)\n",
err);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 12a61bf82c14..842db20493df 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -36,7 +36,6 @@
#include <linux/etherdevice.h>
#include <linux/timecounter.h>
#include <linux/net_tstamp.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/crash_dump.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/qp.h>
@@ -53,6 +52,7 @@
#include "wq.h"
#include "mlx5_core.h"
#include "en_stats.h"
+#include "en/dcbnl.h"
#include "en/fs.h"
#include "lib/hv_vhca.h"
@@ -69,8 +69,6 @@ struct page_pool;
#define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu))
#define MLX5E_SW2HW_MTU(params, swmtu) ((swmtu) + ((params)->hard_mtu))
-#define MLX5E_MAX_PRIORITY 8
-#define MLX5E_MAX_DSCP 64
#define MLX5E_MAX_NUM_TC 8
#define MLX5_RX_HEADROOM NET_SKB_PAD
@@ -243,10 +241,6 @@ enum mlx5e_priv_flag {
#define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (BIT(pflag))))
-#ifdef CONFIG_MLX5_CORE_EN_DCB
-#define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
-#endif
-
struct mlx5e_params {
u8 log_sq_size;
u8 rq_wq_type;
@@ -271,42 +265,6 @@ struct mlx5e_params {
int hard_mtu;
};
-#ifdef CONFIG_MLX5_CORE_EN_DCB
-struct mlx5e_cee_config {
- /* bw pct for priority group */
- u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
- u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
- bool pfc_setting[CEE_DCBX_MAX_PRIO];
- bool pfc_enable;
-};
-
-enum {
- MLX5_DCB_CHG_RESET,
- MLX5_DCB_NO_CHG,
- MLX5_DCB_CHG_NO_RESET,
-};
-
-struct mlx5e_dcbx {
- enum mlx5_dcbx_oper_mode mode;
- struct mlx5e_cee_config cee_cfg; /* pending configuration */
- u8 dscp_app_cnt;
-
- /* The only setting that cannot be read from FW */
- u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
- u8 cap;
-
- /* Buffer configuration */
- bool manual_buffer;
- u32 cable_len;
- u32 xoff;
-};
-
-struct mlx5e_dcbx_dp {
- u8 dscp2prio[MLX5E_MAX_DSCP];
- u8 trust_state;
-};
-#endif
-
enum {
MLX5E_RQ_STATE_ENABLED,
MLX5E_RQ_STATE_RECOVERING,
@@ -339,16 +297,6 @@ struct mlx5e_cq_decomp {
u16 wqe_counter;
} ____cacheline_aligned_in_smp;
-struct mlx5e_tx_wqe_info {
- struct sk_buff *skb;
- u32 num_bytes;
- u8 num_wqebbs;
- u8 num_dma;
-#ifdef CONFIG_MLX5_EN_TLS
- struct page *resync_dump_frag_page;
-#endif
-};
-
enum mlx5e_dma_map_type {
MLX5E_DMA_MAP_SINGLE,
MLX5E_DMA_MAP_PAGE
@@ -367,18 +315,7 @@ enum {
MLX5E_SQ_STATE_AM,
MLX5E_SQ_STATE_TLS,
MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE,
-};
-
-struct mlx5e_sq_wqe_info {
- u8 opcode;
- u8 num_wqebbs;
-
- /* Auxiliary data for different opcodes. */
- union {
- struct {
- struct mlx5e_rq *rq;
- } umr;
- };
+ MLX5E_SQ_STATE_PENDING_XSK_TX,
};
struct mlx5e_txqsq {
@@ -428,10 +365,7 @@ struct mlx5e_dma_info {
dma_addr_t addr;
union {
struct page *page;
- struct {
- u64 handle;
- void *data;
- } xsk;
+ struct xdp_buff *xsk;
};
};
@@ -483,11 +417,6 @@ struct mlx5e_xdp_info_fifo {
u32 mask;
};
-struct mlx5e_xdp_wqe_info {
- u8 num_wqebbs;
- u8 num_pkts;
-};
-
struct mlx5e_xdp_mpwqe {
/* Current MPWQE session */
struct mlx5e_tx_wqe *wqe;
@@ -551,7 +480,7 @@ struct mlx5e_icosq {
/* write@xmit, read@completion */
struct {
- struct mlx5e_sq_wqe_info *ico_wqe;
+ struct mlx5e_icosq_wqe_info *wqe_info;
} db;
/* read only */
@@ -649,8 +578,8 @@ struct mlx5e_rq {
} mpwqe;
};
struct {
- u16 umem_headroom;
u16 headroom;
+ u32 frame0_sz;
u8 map_dir; /* dma map direction */
} buff;
@@ -681,7 +610,6 @@ struct mlx5e_rq {
struct page_pool *page_pool;
/* AF_XDP zero-copy */
- struct zero_copy_allocator zca;
struct xdp_umem *umem;
struct work_struct recover_work;
@@ -918,8 +846,8 @@ void mlx5e_build_ptys2ethtool_map(void);
u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
struct net_device *sb_dev);
netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
-netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5e_tx_wqe *wqe, u16 pi, bool xmit_more);
+void mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5e_tx_wqe *wqe, u16 pi, bool xmit_more);
void mlx5e_trigger_irq(struct mlx5e_icosq *sq);
void mlx5e_completion_event(struct mlx5_core_cq *mcq, struct mlx5_eqe *eqe);
@@ -960,7 +888,7 @@ void mlx5e_page_release_dynamic(struct mlx5e_rq *rq,
void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
-void mlx5e_poll_ico_cq(struct mlx5e_cq *cq);
+int mlx5e_poll_ico_cq(struct mlx5e_cq *cq);
bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
@@ -1012,7 +940,7 @@ int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_rss_params *rss_params,
const struct mlx5e_tirc_config *ttconfig,
void *tirc, bool inner);
-void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen);
+void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in);
struct mlx5e_tirc_config mlx5e_tirc_get_default_config(enum mlx5e_traffic_types tt);
struct mlx5e_xsk_param;
@@ -1067,10 +995,12 @@ void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len,
int num_channels);
-void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
- u8 cq_period_mode);
-void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
- u8 cq_period_mode);
+
+void mlx5e_reset_tx_moderation(struct mlx5e_params *params, u8 cq_period_mode);
+void mlx5e_reset_rx_moderation(struct mlx5e_params *params, u8 cq_period_mode);
+void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode);
+void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode);
+
void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
struct mlx5e_params *params);
@@ -1094,21 +1024,15 @@ static inline bool mlx5_tx_swp_supported(struct mlx5_core_dev *mdev)
}
extern const struct ethtool_ops mlx5e_ethtool_ops;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
-extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
-int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
-void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
-void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
-void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
-#endif
-int mlx5e_create_tir(struct mlx5_core_dev *mdev,
- struct mlx5e_tir *tir, u32 *in, int inlen);
+int mlx5e_create_tir(struct mlx5_core_dev *mdev, struct mlx5e_tir *tir,
+ u32 *in);
void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
struct mlx5e_tir *tir);
int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
-int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
+int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb,
+ bool enable_mc_lb);
/* common netdev helpers */
void mlx5e_create_q_counters(struct mlx5e_priv *priv);
@@ -1120,7 +1044,7 @@ void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq);
int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc);
-void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc);
+void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv);
int mlx5e_create_direct_rqts(struct mlx5e_priv *priv, struct mlx5e_tir *tirs);
void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv, struct mlx5e_tir *tirs);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
new file mode 100644
index 000000000000..7be6b2d36b60
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/dcbnl.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#ifndef __MLX5E_DCBNL_H__
+#define __MLX5E_DCBNL_H__
+
+#ifdef CONFIG_MLX5_CORE_EN_DCB
+
+#define MLX5E_MAX_PRIORITY (8)
+
+struct mlx5e_cee_config {
+ /* bw pct for priority group */
+ u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
+ u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
+ bool pfc_setting[CEE_DCBX_MAX_PRIO];
+ bool pfc_enable;
+};
+
+struct mlx5e_dcbx {
+ enum mlx5_dcbx_oper_mode mode;
+ struct mlx5e_cee_config cee_cfg; /* pending configuration */
+ u8 dscp_app_cnt;
+
+ /* The only setting that cannot be read from FW */
+ u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
+ u8 cap;
+
+ /* Buffer configuration */
+ bool manual_buffer;
+ u32 cable_len;
+ u32 xoff;
+};
+
+#define MLX5E_MAX_DSCP (64)
+
+struct mlx5e_dcbx_dp {
+ u8 dscp2prio[MLX5E_MAX_DSCP];
+ u8 trust_state;
+};
+
+void mlx5e_dcbnl_build_netdev(struct net_device *netdev);
+void mlx5e_dcbnl_build_rep_netdev(struct net_device *netdev);
+void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
+void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
+void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
+#else
+static inline void mlx5e_dcbnl_build_netdev(struct net_device *netdev) {}
+static inline void mlx5e_dcbnl_build_rep_netdev(struct net_device *netdev) {}
+static inline void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) {}
+static inline void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv) {}
+static inline void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv) {}
+#endif
+
+#endif /* __MLX5E_DCBNL_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
index 3a199a03d929..7283443868f3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/health.c
@@ -43,7 +43,7 @@ int mlx5e_reporter_cq_diagnose(struct mlx5e_cq *cq, struct devlink_fmsg *fmsg)
void *cqc;
int err;
- err = mlx5_core_query_cq(priv->mdev, &cq->mcq, out, sizeof(out));
+ err = mlx5_core_query_cq(priv->mdev, &cq->mcq, out);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c
index 7cd5b02e0f10..8fe8b4d6ad1c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/monitor_stats.c
@@ -38,12 +38,11 @@ int mlx5e_monitor_counter_supported(struct mlx5e_priv *priv)
void mlx5e_monitor_counter_arm(struct mlx5e_priv *priv)
{
- u32 in[MLX5_ST_SZ_DW(arm_monitor_counter_in)] = {};
- u32 out[MLX5_ST_SZ_DW(arm_monitor_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(arm_monitor_counter_in)] = {};
MLX5_SET(arm_monitor_counter_in, in, opcode,
MLX5_CMD_OP_ARM_MONITOR_COUNTER);
- mlx5_cmd_exec(priv->mdev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(priv->mdev, arm_monitor_counter, in);
}
static void mlx5e_monitor_counters_work(struct work_struct *work)
@@ -66,19 +65,6 @@ static int mlx5e_monitor_event_handler(struct notifier_block *nb,
return NOTIFY_OK;
}
-static void mlx5e_monitor_counter_start(struct mlx5e_priv *priv)
-{
- MLX5_NB_INIT(&priv->monitor_counters_nb, mlx5e_monitor_event_handler,
- MONITOR_COUNTER);
- mlx5_eq_notifier_register(priv->mdev, &priv->monitor_counters_nb);
-}
-
-static void mlx5e_monitor_counter_stop(struct mlx5e_priv *priv)
-{
- mlx5_eq_notifier_unregister(priv->mdev, &priv->monitor_counters_nb);
- cancel_work_sync(&priv->monitor_counters_work);
-}
-
static int fill_monitor_counter_ppcnt_set1(int cnt, u32 *in)
{
enum mlx5_monitor_counter_ppcnt ppcnt_cnt;
@@ -118,8 +104,7 @@ static void mlx5e_set_monitor_counter(struct mlx5e_priv *priv)
int num_q_counters = MLX5_CAP_GEN(mdev, num_q_monitor_counters);
int num_ppcnt_counters = !MLX5_CAP_PCAM_REG(mdev, ppcnt) ? 0 :
MLX5_CAP_GEN(mdev, num_ppcnt_monitor_counters);
- u32 in[MLX5_ST_SZ_DW(set_monitor_counter_in)] = {};
- u32 out[MLX5_ST_SZ_DW(set_monitor_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(set_monitor_counter_in)] = {};
int q_counter = priv->q_counter;
int cnt = 0;
@@ -136,34 +121,31 @@ static void mlx5e_set_monitor_counter(struct mlx5e_priv *priv)
MLX5_SET(set_monitor_counter_in, in, opcode,
MLX5_CMD_OP_SET_MONITOR_COUNTER);
- mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(mdev, set_monitor_counter, in);
}
/* check if mlx5e_monitor_counter_supported before calling this function*/
void mlx5e_monitor_counter_init(struct mlx5e_priv *priv)
{
INIT_WORK(&priv->monitor_counters_work, mlx5e_monitor_counters_work);
- mlx5e_monitor_counter_start(priv);
+ MLX5_NB_INIT(&priv->monitor_counters_nb, mlx5e_monitor_event_handler,
+ MONITOR_COUNTER);
+ mlx5_eq_notifier_register(priv->mdev, &priv->monitor_counters_nb);
+
mlx5e_set_monitor_counter(priv);
mlx5e_monitor_counter_arm(priv);
queue_work(priv->wq, &priv->update_stats_work);
}
-static void mlx5e_monitor_counter_disable(struct mlx5e_priv *priv)
+/* check if mlx5e_monitor_counter_supported before calling this function*/
+void mlx5e_monitor_counter_cleanup(struct mlx5e_priv *priv)
{
- u32 in[MLX5_ST_SZ_DW(set_monitor_counter_in)] = {};
- u32 out[MLX5_ST_SZ_DW(set_monitor_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(set_monitor_counter_in)] = {};
- MLX5_SET(set_monitor_counter_in, in, num_of_counters, 0);
MLX5_SET(set_monitor_counter_in, in, opcode,
MLX5_CMD_OP_SET_MONITOR_COUNTER);
- mlx5_cmd_exec(priv->mdev, in, sizeof(in), out, sizeof(out));
-}
-
-/* check if mlx5e_monitor_counter_supported before calling this function*/
-void mlx5e_monitor_counter_cleanup(struct mlx5e_priv *priv)
-{
- mlx5e_monitor_counter_disable(priv);
- mlx5e_monitor_counter_stop(priv);
+ mlx5_cmd_exec_in(priv->mdev, set_monitor_counter, in);
+ mlx5_eq_notifier_unregister(priv->mdev, &priv->monitor_counters_nb);
+ cancel_work_sync(&priv->monitor_counters_work);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index eb2e1f2138e4..38e4f19d69f8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -12,15 +12,16 @@ static inline bool mlx5e_rx_is_xdp(struct mlx5e_params *params,
u16 mlx5e_get_linear_rq_headroom(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk)
{
- u16 headroom = NET_IP_ALIGN;
+ u16 headroom;
- if (mlx5e_rx_is_xdp(params, xsk)) {
+ if (xsk)
+ return xsk->headroom;
+
+ headroom = NET_IP_ALIGN;
+ if (mlx5e_rx_is_xdp(params, xsk))
headroom += XDP_PACKET_HEADROOM;
- if (xsk)
- headroom += xsk->headroom;
- } else {
+ else
headroom += MLX5_RX_HEADROOM;
- }
return headroom;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
index 2c4a670c8ffd..2a8950b3056f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port.c
@@ -369,17 +369,19 @@ enum mlx5e_fec_supported_link_mode {
*_policy = MLX5_GET(pplm_reg, _buf, fec_override_admin_##link); \
} while (0)
-#define MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(buf, policy, write, link) \
- do { \
- u16 *__policy = &(policy); \
- bool _write = (write); \
- \
- if (_write && *__policy) \
- *__policy = find_first_bit((u_long *)__policy, \
- sizeof(u16) * BITS_PER_BYTE);\
- MLX5E_FEC_OVERRIDE_ADMIN_POLICY(buf, *__policy, _write, link); \
- if (!_write && *__policy) \
- *__policy = 1 << *__policy; \
+#define MLX5E_FEC_OVERRIDE_ADMIN_50G_POLICY(buf, policy, write, link) \
+ do { \
+ unsigned long policy_long; \
+ u16 *__policy = &(policy); \
+ bool _write = (write); \
+ \
+ policy_long = *__policy; \
+ if (_write && *__policy) \
+ *__policy = find_first_bit(&policy_long, \
+ sizeof(policy_long) * BITS_PER_BYTE);\
+ MLX5E_FEC_OVERRIDE_ADMIN_POLICY(buf, *__policy, _write, link); \
+ if (!_write && *__policy) \
+ *__policy = 1 << *__policy; \
} while (0)
/* get/set FEC admin field for a given speed */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bond.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bond.c
new file mode 100644
index 000000000000..bdb71332cbf2
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bond.c
@@ -0,0 +1,350 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include <linux/netdevice.h>
+#include <linux/list.h>
+#include <net/lag.h>
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "esw/acl/ofld.h"
+#include "en_rep.h"
+
+struct mlx5e_rep_bond {
+ struct notifier_block nb;
+ struct netdev_net_notifier nn;
+ struct list_head metadata_list;
+};
+
+struct mlx5e_rep_bond_slave_entry {
+ struct list_head list;
+ struct net_device *netdev;
+};
+
+struct mlx5e_rep_bond_metadata {
+ struct list_head list; /* link to global list of rep_bond_metadata */
+ struct mlx5_eswitch *esw;
+ /* private of uplink holding rep bond metadata list */
+ struct net_device *lag_dev;
+ u32 metadata_reg_c_0;
+
+ struct list_head slaves_list; /* slaves list */
+ int slaves;
+};
+
+static struct mlx5e_rep_bond_metadata *
+mlx5e_lookup_rep_bond_metadata(struct mlx5_rep_uplink_priv *uplink_priv,
+ const struct net_device *lag_dev)
+{
+ struct mlx5e_rep_bond_metadata *found = NULL;
+ struct mlx5e_rep_bond_metadata *cur;
+
+ list_for_each_entry(cur, &uplink_priv->bond->metadata_list, list) {
+ if (cur->lag_dev == lag_dev) {
+ found = cur;
+ break;
+ }
+ }
+
+ return found;
+}
+
+static struct mlx5e_rep_bond_slave_entry *
+mlx5e_lookup_rep_bond_slave_entry(struct mlx5e_rep_bond_metadata *mdata,
+ const struct net_device *netdev)
+{
+ struct mlx5e_rep_bond_slave_entry *found = NULL;
+ struct mlx5e_rep_bond_slave_entry *cur;
+
+ list_for_each_entry(cur, &mdata->slaves_list, list) {
+ if (cur->netdev == netdev) {
+ found = cur;
+ break;
+ }
+ }
+
+ return found;
+}
+
+static void mlx5e_rep_bond_metadata_release(struct mlx5e_rep_bond_metadata *mdata)
+{
+ netdev_dbg(mdata->lag_dev, "destroy rep_bond_metadata(%d)\n",
+ mdata->metadata_reg_c_0);
+ list_del(&mdata->list);
+ mlx5_esw_match_metadata_free(mdata->esw, mdata->metadata_reg_c_0);
+ WARN_ON(!list_empty(&mdata->slaves_list));
+ kfree(mdata);
+}
+
+/* This must be called under rtnl_lock */
+int mlx5e_rep_bond_enslave(struct mlx5_eswitch *esw, struct net_device *netdev,
+ struct net_device *lag_dev)
+{
+ struct mlx5e_rep_bond_slave_entry *s_entry;
+ struct mlx5e_rep_bond_metadata *mdata;
+ struct mlx5e_rep_priv *rpriv;
+ struct mlx5e_priv *priv;
+ int err;
+
+ ASSERT_RTNL();
+
+ rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
+ mdata = mlx5e_lookup_rep_bond_metadata(&rpriv->uplink_priv, lag_dev);
+ if (!mdata) {
+ /* First netdev becomes slave, no metadata presents the lag_dev. Create one */
+ mdata = kzalloc(sizeof(*mdata), GFP_KERNEL);
+ if (!mdata)
+ return -ENOMEM;
+
+ mdata->lag_dev = lag_dev;
+ mdata->esw = esw;
+ INIT_LIST_HEAD(&mdata->slaves_list);
+ mdata->metadata_reg_c_0 = mlx5_esw_match_metadata_alloc(esw);
+ if (!mdata->metadata_reg_c_0) {
+ kfree(mdata);
+ return -ENOSPC;
+ }
+ list_add(&mdata->list, &rpriv->uplink_priv.bond->metadata_list);
+
+ netdev_dbg(lag_dev, "create rep_bond_metadata(%d)\n",
+ mdata->metadata_reg_c_0);
+ }
+
+ s_entry = kzalloc(sizeof(*s_entry), GFP_KERNEL);
+ if (!s_entry) {
+ err = -ENOMEM;
+ goto entry_alloc_err;
+ }
+
+ s_entry->netdev = netdev;
+ priv = netdev_priv(netdev);
+ rpriv = priv->ppriv;
+
+ err = mlx5_esw_acl_ingress_vport_bond_update(esw, rpriv->rep->vport,
+ mdata->metadata_reg_c_0);
+ if (err)
+ goto ingress_err;
+
+ mdata->slaves++;
+ list_add_tail(&s_entry->list, &mdata->slaves_list);
+ netdev_dbg(netdev, "enslave rep vport(%d) lag_dev(%s) metadata(0x%x)\n",
+ rpriv->rep->vport, lag_dev->name, mdata->metadata_reg_c_0);
+
+ return 0;
+
+ingress_err:
+ kfree(s_entry);
+entry_alloc_err:
+ if (!mdata->slaves)
+ mlx5e_rep_bond_metadata_release(mdata);
+ return err;
+}
+
+/* This must be called under rtnl_lock */
+void mlx5e_rep_bond_unslave(struct mlx5_eswitch *esw,
+ const struct net_device *netdev,
+ const struct net_device *lag_dev)
+{
+ struct mlx5e_rep_bond_slave_entry *s_entry;
+ struct mlx5e_rep_bond_metadata *mdata;
+ struct mlx5e_rep_priv *rpriv;
+ struct mlx5e_priv *priv;
+
+ ASSERT_RTNL();
+
+ rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
+ mdata = mlx5e_lookup_rep_bond_metadata(&rpriv->uplink_priv, lag_dev);
+ if (!mdata)
+ return;
+
+ s_entry = mlx5e_lookup_rep_bond_slave_entry(mdata, netdev);
+ if (!s_entry)
+ return;
+
+ priv = netdev_priv(netdev);
+ rpriv = priv->ppriv;
+
+ /* Reset bond_metadata to zero first then reset all ingress/egress
+ * acls and rx rules of unslave representor's vport
+ */
+ mlx5_esw_acl_ingress_vport_bond_update(esw, rpriv->rep->vport, 0);
+ mlx5_esw_acl_egress_vport_unbond(esw, rpriv->rep->vport);
+ mlx5e_rep_bond_update(priv, false);
+
+ list_del(&s_entry->list);
+
+ netdev_dbg(netdev, "unslave rep vport(%d) lag_dev(%s) metadata(0x%x)\n",
+ rpriv->rep->vport, lag_dev->name, mdata->metadata_reg_c_0);
+
+ if (--mdata->slaves == 0)
+ mlx5e_rep_bond_metadata_release(mdata);
+ kfree(s_entry);
+}
+
+static bool mlx5e_rep_is_lag_netdev(struct net_device *netdev)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+
+ /* A given netdev is not a representor or not a slave of LAG configuration */
+ if (!mlx5e_eswitch_rep(netdev) || !bond_slave_get_rtnl(netdev))
+ return false;
+
+ /* Egress acl forward to vport is supported only non-uplink representor */
+ return rpriv->rep->vport != MLX5_VPORT_UPLINK;
+}
+
+static void mlx5e_rep_changelowerstate_event(struct net_device *netdev, void *ptr)
+{
+ struct netdev_notifier_changelowerstate_info *info;
+ struct netdev_lag_lower_state_info *lag_info;
+ struct mlx5e_rep_priv *rpriv;
+ struct net_device *lag_dev;
+ struct mlx5e_priv *priv;
+ struct list_head *iter;
+ struct net_device *dev;
+ u16 acl_vport_num;
+ u16 fwd_vport_num;
+ int err;
+
+ if (!mlx5e_rep_is_lag_netdev(netdev))
+ return;
+
+ info = ptr;
+ lag_info = info->lower_state_info;
+ /* This is not an event of a representor becoming active slave */
+ if (!lag_info->tx_enabled)
+ return;
+
+ priv = netdev_priv(netdev);
+ rpriv = priv->ppriv;
+ fwd_vport_num = rpriv->rep->vport;
+ lag_dev = netdev_master_upper_dev_get(netdev);
+
+ netdev_dbg(netdev, "lag_dev(%s)'s slave vport(%d) is txable(%d)\n",
+ lag_dev->name, fwd_vport_num, net_lag_port_dev_txable(netdev));
+
+ /* Point everyone's egress acl to the vport of the active representor */
+ netdev_for_each_lower_dev(lag_dev, dev, iter) {
+ priv = netdev_priv(dev);
+ rpriv = priv->ppriv;
+ acl_vport_num = rpriv->rep->vport;
+ if (acl_vport_num != fwd_vport_num) {
+ /* Only single rx_rule for unique bond_metadata should be
+ * present, delete it if it's saved as passive vport's
+ * rx_rule with destination as passive vport's root_ft
+ */
+ mlx5e_rep_bond_update(priv, true);
+ err = mlx5_esw_acl_egress_vport_bond(priv->mdev->priv.eswitch,
+ fwd_vport_num,
+ acl_vport_num);
+ if (err)
+ netdev_warn(dev,
+ "configure slave vport(%d) egress fwd, err(%d)",
+ acl_vport_num, err);
+ }
+ }
+
+ /* Insert new rx_rule for unique bond_metadata, save it as active vport's
+ * rx_rule with new destination as active vport's root_ft
+ */
+ err = mlx5e_rep_bond_update(netdev_priv(netdev), false);
+ if (err)
+ netdev_warn(netdev, "configure active slave vport(%d) rx_rule, err(%d)",
+ fwd_vport_num, err);
+}
+
+static void mlx5e_rep_changeupper_event(struct net_device *netdev, void *ptr)
+{
+ struct netdev_notifier_changeupper_info *info = ptr;
+ struct mlx5e_rep_priv *rpriv;
+ struct net_device *lag_dev;
+ struct mlx5e_priv *priv;
+
+ if (!mlx5e_rep_is_lag_netdev(netdev))
+ return;
+
+ priv = netdev_priv(netdev);
+ rpriv = priv->ppriv;
+ lag_dev = info->upper_dev;
+
+ netdev_dbg(netdev, "%sslave vport(%d) lag(%s)\n",
+ info->linking ? "en" : "un", rpriv->rep->vport, lag_dev->name);
+
+ if (info->linking)
+ mlx5e_rep_bond_enslave(priv->mdev->priv.eswitch, netdev, lag_dev);
+ else
+ mlx5e_rep_bond_unslave(priv->mdev->priv.eswitch, netdev, lag_dev);
+}
+
+/* Bond device of representors and netdev events are used here in specific way
+ * to support eswitch vports bonding and to perform failover of eswitch vport
+ * by modifying the vport's egress acl of lower dev representors. Thus this
+ * also change the traditional behavior of lower dev under bond device.
+ * All non-representor netdevs or representors of other vendors as lower dev
+ * of bond device are not supported.
+ */
+static int mlx5e_rep_esw_bond_netevent(struct notifier_block *nb,
+ unsigned long event, void *ptr)
+{
+ struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
+
+ switch (event) {
+ case NETDEV_CHANGELOWERSTATE:
+ mlx5e_rep_changelowerstate_event(netdev, ptr);
+ break;
+ case NETDEV_CHANGEUPPER:
+ mlx5e_rep_changeupper_event(netdev, ptr);
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+/* If HW support eswitch vports bonding, register a specific notifier to
+ * handle it when two or more representors are bonded
+ */
+int mlx5e_rep_bond_init(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
+ struct net_device *netdev = rpriv->netdev;
+ struct mlx5e_priv *priv;
+ int ret = 0;
+
+ priv = netdev_priv(netdev);
+ if (!mlx5_esw_acl_egress_fwd2vport_supported(priv->mdev->priv.eswitch))
+ goto out;
+
+ uplink_priv->bond = kvzalloc(sizeof(*uplink_priv->bond), GFP_KERNEL);
+ if (!uplink_priv->bond) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ INIT_LIST_HEAD(&uplink_priv->bond->metadata_list);
+ uplink_priv->bond->nb.notifier_call = mlx5e_rep_esw_bond_netevent;
+ ret = register_netdevice_notifier_dev_net(netdev,
+ &uplink_priv->bond->nb,
+ &uplink_priv->bond->nn);
+ if (ret) {
+ netdev_err(netdev, "register bonding netevent notifier, err(%d)\n", ret);
+ kvfree(uplink_priv->bond);
+ uplink_priv->bond = NULL;
+ }
+
+out:
+ return ret;
+}
+
+void mlx5e_rep_bond_cleanup(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
+
+ if (!mlx5_esw_acl_egress_fwd2vport_supported(priv->mdev->priv.eswitch) ||
+ !rpriv->uplink_priv.bond)
+ return;
+
+ unregister_netdevice_notifier_dev_net(rpriv->netdev,
+ &rpriv->uplink_priv.bond->nb,
+ &rpriv->uplink_priv.bond->nn);
+ kvfree(rpriv->uplink_priv.bond);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c
new file mode 100644
index 000000000000..baa162432e75
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.c
@@ -0,0 +1,368 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#include <linux/refcount.h>
+#include <linux/list.h>
+#include <linux/rculist.h>
+#include <linux/rtnetlink.h>
+#include <linux/workqueue.h>
+#include <linux/rwlock.h>
+#include <linux/spinlock.h>
+#include <linux/notifier.h>
+#include <net/netevent.h>
+#include "neigh.h"
+#include "tc.h"
+#include "en_rep.h"
+#include "fs_core.h"
+#include "diag/en_rep_tracepoint.h"
+
+static unsigned long mlx5e_rep_ipv6_interval(void)
+{
+ if (IS_ENABLED(CONFIG_IPV6) && ipv6_stub->nd_tbl)
+ return NEIGH_VAR(&ipv6_stub->nd_tbl->parms, DELAY_PROBE_TIME);
+
+ return ~0UL;
+}
+
+static void mlx5e_rep_neigh_update_init_interval(struct mlx5e_rep_priv *rpriv)
+{
+ unsigned long ipv4_interval = NEIGH_VAR(&arp_tbl.parms, DELAY_PROBE_TIME);
+ unsigned long ipv6_interval = mlx5e_rep_ipv6_interval();
+ struct net_device *netdev = rpriv->netdev;
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+
+ rpriv->neigh_update.min_interval = min_t(unsigned long, ipv6_interval, ipv4_interval);
+ mlx5_fc_update_sampling_interval(priv->mdev, rpriv->neigh_update.min_interval);
+}
+
+void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+ struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
+
+ mlx5_fc_queue_stats_work(priv->mdev,
+ &neigh_update->neigh_stats_work,
+ neigh_update->min_interval);
+}
+
+static bool mlx5e_rep_neigh_entry_hold(struct mlx5e_neigh_hash_entry *nhe)
+{
+ return refcount_inc_not_zero(&nhe->refcnt);
+}
+
+static void mlx5e_rep_neigh_entry_remove(struct mlx5e_neigh_hash_entry *nhe);
+
+void mlx5e_rep_neigh_entry_release(struct mlx5e_neigh_hash_entry *nhe)
+{
+ if (refcount_dec_and_test(&nhe->refcnt)) {
+ mlx5e_rep_neigh_entry_remove(nhe);
+ kfree_rcu(nhe, rcu);
+ }
+}
+
+static struct mlx5e_neigh_hash_entry *
+mlx5e_get_next_nhe(struct mlx5e_rep_priv *rpriv,
+ struct mlx5e_neigh_hash_entry *nhe)
+{
+ struct mlx5e_neigh_hash_entry *next = NULL;
+
+ rcu_read_lock();
+
+ for (next = nhe ?
+ list_next_or_null_rcu(&rpriv->neigh_update.neigh_list,
+ &nhe->neigh_list,
+ struct mlx5e_neigh_hash_entry,
+ neigh_list) :
+ list_first_or_null_rcu(&rpriv->neigh_update.neigh_list,
+ struct mlx5e_neigh_hash_entry,
+ neigh_list);
+ next;
+ next = list_next_or_null_rcu(&rpriv->neigh_update.neigh_list,
+ &next->neigh_list,
+ struct mlx5e_neigh_hash_entry,
+ neigh_list))
+ if (mlx5e_rep_neigh_entry_hold(next))
+ break;
+
+ rcu_read_unlock();
+
+ if (nhe)
+ mlx5e_rep_neigh_entry_release(nhe);
+
+ return next;
+}
+
+static void mlx5e_rep_neigh_stats_work(struct work_struct *work)
+{
+ struct mlx5e_rep_priv *rpriv = container_of(work, struct mlx5e_rep_priv,
+ neigh_update.neigh_stats_work.work);
+ struct net_device *netdev = rpriv->netdev;
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5e_neigh_hash_entry *nhe = NULL;
+
+ rtnl_lock();
+ if (!list_empty(&rpriv->neigh_update.neigh_list))
+ mlx5e_rep_queue_neigh_stats_work(priv);
+
+ while ((nhe = mlx5e_get_next_nhe(rpriv, nhe)) != NULL)
+ mlx5e_tc_update_neigh_used_value(nhe);
+
+ rtnl_unlock();
+}
+
+static void mlx5e_rep_neigh_update(struct work_struct *work)
+{
+ struct mlx5e_neigh_hash_entry *nhe =
+ container_of(work, struct mlx5e_neigh_hash_entry, neigh_update_work);
+ struct neighbour *n = nhe->n;
+ struct mlx5e_encap_entry *e;
+ unsigned char ha[ETH_ALEN];
+ struct mlx5e_priv *priv;
+ bool neigh_connected;
+ u8 nud_state, dead;
+
+ rtnl_lock();
+
+ /* If these parameters are changed after we release the lock,
+ * we'll receive another event letting us know about it.
+ * We use this lock to avoid inconsistency between the neigh validity
+ * and it's hw address.
+ */
+ read_lock_bh(&n->lock);
+ memcpy(ha, n->ha, ETH_ALEN);
+ nud_state = n->nud_state;
+ dead = n->dead;
+ read_unlock_bh(&n->lock);
+
+ neigh_connected = (nud_state & NUD_VALID) && !dead;
+
+ trace_mlx5e_rep_neigh_update(nhe, ha, neigh_connected);
+
+ list_for_each_entry(e, &nhe->encap_list, encap_list) {
+ if (!mlx5e_encap_take(e))
+ continue;
+
+ priv = netdev_priv(e->out_dev);
+ mlx5e_rep_update_flows(priv, e, neigh_connected, ha);
+ mlx5e_encap_put(priv, e);
+ }
+ mlx5e_rep_neigh_entry_release(nhe);
+ rtnl_unlock();
+ neigh_release(n);
+}
+
+static void mlx5e_rep_queue_neigh_update_work(struct mlx5e_priv *priv,
+ struct mlx5e_neigh_hash_entry *nhe,
+ struct neighbour *n)
+{
+ /* Take a reference to ensure the neighbour and mlx5 encap
+ * entry won't be destructed until we drop the reference in
+ * delayed work.
+ */
+ neigh_hold(n);
+
+ /* This assignment is valid as long as the the neigh reference
+ * is taken
+ */
+ nhe->n = n;
+
+ if (!queue_work(priv->wq, &nhe->neigh_update_work)) {
+ mlx5e_rep_neigh_entry_release(nhe);
+ neigh_release(n);
+ }
+}
+
+static int mlx5e_rep_netevent_event(struct notifier_block *nb,
+ unsigned long event, void *ptr)
+{
+ struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv,
+ neigh_update.netevent_nb);
+ struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
+ struct net_device *netdev = rpriv->netdev;
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5e_neigh_hash_entry *nhe = NULL;
+ struct mlx5e_neigh m_neigh = {};
+ struct neigh_parms *p;
+ struct neighbour *n;
+ bool found = false;
+
+ switch (event) {
+ case NETEVENT_NEIGH_UPDATE:
+ n = ptr;
+#if IS_ENABLED(CONFIG_IPV6)
+ if (n->tbl != ipv6_stub->nd_tbl && n->tbl != &arp_tbl)
+#else
+ if (n->tbl != &arp_tbl)
+#endif
+ return NOTIFY_DONE;
+
+ m_neigh.dev = n->dev;
+ m_neigh.family = n->ops->family;
+ memcpy(&m_neigh.dst_ip, n->primary_key, n->tbl->key_len);
+
+ rcu_read_lock();
+ nhe = mlx5e_rep_neigh_entry_lookup(priv, &m_neigh);
+ rcu_read_unlock();
+ if (!nhe)
+ return NOTIFY_DONE;
+
+ mlx5e_rep_queue_neigh_update_work(priv, nhe, n);
+ break;
+
+ case NETEVENT_DELAY_PROBE_TIME_UPDATE:
+ p = ptr;
+
+ /* We check the device is present since we don't care about
+ * changes in the default table, we only care about changes
+ * done per device delay prob time parameter.
+ */
+#if IS_ENABLED(CONFIG_IPV6)
+ if (!p->dev || (p->tbl != ipv6_stub->nd_tbl && p->tbl != &arp_tbl))
+#else
+ if (!p->dev || p->tbl != &arp_tbl)
+#endif
+ return NOTIFY_DONE;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(nhe, &neigh_update->neigh_list,
+ neigh_list) {
+ if (p->dev == nhe->m_neigh.dev) {
+ found = true;
+ break;
+ }
+ }
+ rcu_read_unlock();
+ if (!found)
+ return NOTIFY_DONE;
+
+ neigh_update->min_interval = min_t(unsigned long,
+ NEIGH_VAR(p, DELAY_PROBE_TIME),
+ neigh_update->min_interval);
+ mlx5_fc_update_sampling_interval(priv->mdev,
+ neigh_update->min_interval);
+ break;
+ }
+ return NOTIFY_DONE;
+}
+
+static const struct rhashtable_params mlx5e_neigh_ht_params = {
+ .head_offset = offsetof(struct mlx5e_neigh_hash_entry, rhash_node),
+ .key_offset = offsetof(struct mlx5e_neigh_hash_entry, m_neigh),
+ .key_len = sizeof(struct mlx5e_neigh),
+ .automatic_shrinking = true,
+};
+
+int mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
+ int err;
+
+ err = rhashtable_init(&neigh_update->neigh_ht, &mlx5e_neigh_ht_params);
+ if (err)
+ return err;
+
+ INIT_LIST_HEAD(&neigh_update->neigh_list);
+ mutex_init(&neigh_update->encap_lock);
+ INIT_DELAYED_WORK(&neigh_update->neigh_stats_work,
+ mlx5e_rep_neigh_stats_work);
+ mlx5e_rep_neigh_update_init_interval(rpriv);
+
+ rpriv->neigh_update.netevent_nb.notifier_call = mlx5e_rep_netevent_event;
+ err = register_netevent_notifier(&rpriv->neigh_update.netevent_nb);
+ if (err)
+ goto out_err;
+ return 0;
+
+out_err:
+ rhashtable_destroy(&neigh_update->neigh_ht);
+ return err;
+}
+
+void mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
+ struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
+
+ unregister_netevent_notifier(&neigh_update->netevent_nb);
+
+ flush_workqueue(priv->wq); /* flush neigh update works */
+
+ cancel_delayed_work_sync(&rpriv->neigh_update.neigh_stats_work);
+
+ mutex_destroy(&neigh_update->encap_lock);
+ rhashtable_destroy(&neigh_update->neigh_ht);
+}
+
+static int mlx5e_rep_neigh_entry_insert(struct mlx5e_priv *priv,
+ struct mlx5e_neigh_hash_entry *nhe)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+ int err;
+
+ err = rhashtable_insert_fast(&rpriv->neigh_update.neigh_ht,
+ &nhe->rhash_node,
+ mlx5e_neigh_ht_params);
+ if (err)
+ return err;
+
+ list_add_rcu(&nhe->neigh_list, &rpriv->neigh_update.neigh_list);
+
+ return err;
+}
+
+static void mlx5e_rep_neigh_entry_remove(struct mlx5e_neigh_hash_entry *nhe)
+{
+ struct mlx5e_rep_priv *rpriv = nhe->priv->ppriv;
+
+ mutex_lock(&rpriv->neigh_update.encap_lock);
+
+ list_del_rcu(&nhe->neigh_list);
+
+ rhashtable_remove_fast(&rpriv->neigh_update.neigh_ht,
+ &nhe->rhash_node,
+ mlx5e_neigh_ht_params);
+ mutex_unlock(&rpriv->neigh_update.encap_lock);
+}
+
+/* This function must only be called under the representor's encap_lock or
+ * inside rcu read lock section.
+ */
+struct mlx5e_neigh_hash_entry *
+mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
+ struct mlx5e_neigh *m_neigh)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+ struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
+ struct mlx5e_neigh_hash_entry *nhe;
+
+ nhe = rhashtable_lookup_fast(&neigh_update->neigh_ht, m_neigh,
+ mlx5e_neigh_ht_params);
+ return nhe && mlx5e_rep_neigh_entry_hold(nhe) ? nhe : NULL;
+}
+
+int mlx5e_rep_neigh_entry_create(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e,
+ struct mlx5e_neigh_hash_entry **nhe)
+{
+ int err;
+
+ *nhe = kzalloc(sizeof(**nhe), GFP_KERNEL);
+ if (!*nhe)
+ return -ENOMEM;
+
+ (*nhe)->priv = priv;
+ memcpy(&(*nhe)->m_neigh, &e->m_neigh, sizeof(e->m_neigh));
+ INIT_WORK(&(*nhe)->neigh_update_work, mlx5e_rep_neigh_update);
+ spin_lock_init(&(*nhe)->encap_list_lock);
+ INIT_LIST_HEAD(&(*nhe)->encap_list);
+ refcount_set(&(*nhe)->refcnt, 1);
+
+ err = mlx5e_rep_neigh_entry_insert(priv, *nhe);
+ if (err)
+ goto out_free;
+ return 0;
+
+out_free:
+ kfree(*nhe);
+ return err;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.h
new file mode 100644
index 000000000000..32b239189c95
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/neigh.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#ifndef __MLX5_EN_REP_NEIGH__
+#define __MLX5_EN_REP_NEIGH__
+
+#include "en.h"
+#include "en_rep.h"
+
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
+
+int mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv);
+void mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv);
+
+struct mlx5e_neigh_hash_entry *
+mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
+ struct mlx5e_neigh *m_neigh);
+int mlx5e_rep_neigh_entry_create(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e,
+ struct mlx5e_neigh_hash_entry **nhe);
+void mlx5e_rep_neigh_entry_release(struct mlx5e_neigh_hash_entry *nhe);
+
+void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv);
+
+#else /* CONFIG_MLX5_CLS_ACT */
+
+static inline int
+mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv) { return 0; }
+static inline void
+mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv) {}
+
+#endif /* CONFIG_MLX5_CLS_ACT */
+
+#endif /* __MLX5_EN_REP_NEIGH__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
new file mode 100644
index 000000000000..80713123de5c
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c
@@ -0,0 +1,646 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#include <net/dst_metadata.h>
+#include <linux/netdevice.h>
+#include <linux/list.h>
+#include <linux/rculist.h>
+#include <linux/rtnetlink.h>
+#include <linux/workqueue.h>
+#include <linux/spinlock.h>
+#include "tc.h"
+#include "neigh.h"
+#include "en_rep.h"
+#include "eswitch.h"
+#include "esw/chains.h"
+#include "en/tc_ct.h"
+#include "en/mapping.h"
+#include "en/tc_tun.h"
+#include "lib/port_tun.h"
+
+struct mlx5e_rep_indr_block_priv {
+ struct net_device *netdev;
+ struct mlx5e_rep_priv *rpriv;
+
+ struct list_head list;
+};
+
+int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+ struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
+ struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy;
+ struct mlx5e_neigh_hash_entry *nhe;
+ int err;
+
+ err = mlx5_tun_entropy_refcount_inc(tun_entropy, e->reformat_type);
+ if (err)
+ return err;
+
+ mutex_lock(&rpriv->neigh_update.encap_lock);
+ nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh);
+ if (!nhe) {
+ err = mlx5e_rep_neigh_entry_create(priv, e, &nhe);
+ if (err) {
+ mutex_unlock(&rpriv->neigh_update.encap_lock);
+ mlx5_tun_entropy_refcount_dec(tun_entropy,
+ e->reformat_type);
+ return err;
+ }
+ }
+
+ e->nhe = nhe;
+ spin_lock(&nhe->encap_list_lock);
+ list_add_rcu(&e->encap_list, &nhe->encap_list);
+ spin_unlock(&nhe->encap_list_lock);
+
+ mutex_unlock(&rpriv->neigh_update.encap_lock);
+
+ return 0;
+}
+
+void mlx5e_rep_encap_entry_detach(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+ struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
+ struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy;
+
+ if (!e->nhe)
+ return;
+
+ spin_lock(&e->nhe->encap_list_lock);
+ list_del_rcu(&e->encap_list);
+ spin_unlock(&e->nhe->encap_list_lock);
+
+ mlx5e_rep_neigh_entry_release(e->nhe);
+ e->nhe = NULL;
+ mlx5_tun_entropy_refcount_dec(tun_entropy, e->reformat_type);
+}
+
+void mlx5e_rep_update_flows(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e,
+ bool neigh_connected,
+ unsigned char ha[ETH_ALEN])
+{
+ struct ethhdr *eth = (struct ethhdr *)e->encap_header;
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ bool encap_connected;
+ LIST_HEAD(flow_list);
+
+ ASSERT_RTNL();
+
+ /* wait for encap to be fully initialized */
+ wait_for_completion(&e->res_ready);
+
+ mutex_lock(&esw->offloads.encap_tbl_lock);
+ encap_connected = !!(e->flags & MLX5_ENCAP_ENTRY_VALID);
+ if (e->compl_result < 0 || (encap_connected == neigh_connected &&
+ ether_addr_equal(e->h_dest, ha)))
+ goto unlock;
+
+ mlx5e_take_all_encap_flows(e, &flow_list);
+
+ if ((e->flags & MLX5_ENCAP_ENTRY_VALID) &&
+ (!neigh_connected || !ether_addr_equal(e->h_dest, ha)))
+ mlx5e_tc_encap_flows_del(priv, e, &flow_list);
+
+ if (neigh_connected && !(e->flags & MLX5_ENCAP_ENTRY_VALID)) {
+ ether_addr_copy(e->h_dest, ha);
+ ether_addr_copy(eth->h_dest, ha);
+ /* Update the encap source mac, in case that we delete
+ * the flows when encap source mac changed.
+ */
+ ether_addr_copy(eth->h_source, e->route_dev->dev_addr);
+
+ mlx5e_tc_encap_flows_add(priv, e, &flow_list);
+ }
+unlock:
+ mutex_unlock(&esw->offloads.encap_tbl_lock);
+ mlx5e_put_encap_flow_list(priv, &flow_list);
+}
+
+static int
+mlx5e_rep_setup_tc_cls_flower(struct mlx5e_priv *priv,
+ struct flow_cls_offload *cls_flower, int flags)
+{
+ switch (cls_flower->command) {
+ case FLOW_CLS_REPLACE:
+ return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
+ flags);
+ case FLOW_CLS_DESTROY:
+ return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
+ flags);
+ case FLOW_CLS_STATS:
+ return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
+ flags);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static
+int mlx5e_rep_setup_tc_cls_matchall(struct mlx5e_priv *priv,
+ struct tc_cls_matchall_offload *ma)
+{
+ switch (ma->command) {
+ case TC_CLSMATCHALL_REPLACE:
+ return mlx5e_tc_configure_matchall(priv, ma);
+ case TC_CLSMATCHALL_DESTROY:
+ return mlx5e_tc_delete_matchall(priv, ma);
+ case TC_CLSMATCHALL_STATS:
+ mlx5e_tc_stats_matchall(priv, ma);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int mlx5e_rep_setup_tc_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv)
+{
+ unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(ESW_OFFLOAD);
+ struct mlx5e_priv *priv = cb_priv;
+
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ return mlx5e_rep_setup_tc_cls_flower(priv, type_data, flags);
+ case TC_SETUP_CLSMATCHALL:
+ return mlx5e_rep_setup_tc_cls_matchall(priv, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int mlx5e_rep_setup_ft_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv)
+{
+ struct flow_cls_offload tmp, *f = type_data;
+ struct mlx5e_priv *priv = cb_priv;
+ struct mlx5_eswitch *esw;
+ unsigned long flags;
+ int err;
+
+ flags = MLX5_TC_FLAG(INGRESS) |
+ MLX5_TC_FLAG(ESW_OFFLOAD) |
+ MLX5_TC_FLAG(FT_OFFLOAD);
+ esw = priv->mdev->priv.eswitch;
+
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ memcpy(&tmp, f, sizeof(*f));
+
+ if (!mlx5_esw_chains_prios_supported(esw))
+ return -EOPNOTSUPP;
+
+ /* Re-use tc offload path by moving the ft flow to the
+ * reserved ft chain.
+ *
+ * FT offload can use prio range [0, INT_MAX], so we normalize
+ * it to range [1, mlx5_esw_chains_get_prio_range(esw)]
+ * as with tc, where prio 0 isn't supported.
+ *
+ * We only support chain 0 of FT offload.
+ */
+ if (tmp.common.prio >= mlx5_esw_chains_get_prio_range(esw))
+ return -EOPNOTSUPP;
+ if (tmp.common.chain_index != 0)
+ return -EOPNOTSUPP;
+
+ tmp.common.chain_index = mlx5_esw_chains_get_ft_chain(esw);
+ tmp.common.prio++;
+ err = mlx5e_rep_setup_tc_cls_flower(priv, &tmp, flags);
+ memcpy(&f->stats, &tmp.stats, sizeof(f->stats));
+ return err;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static LIST_HEAD(mlx5e_rep_block_tc_cb_list);
+static LIST_HEAD(mlx5e_rep_block_ft_cb_list);
+int mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data)
+{
+ struct mlx5e_priv *priv = netdev_priv(dev);
+ struct flow_block_offload *f = type_data;
+
+ f->unlocked_driver_cb = true;
+
+ switch (type) {
+ case TC_SETUP_BLOCK:
+ return flow_block_cb_setup_simple(type_data,
+ &mlx5e_rep_block_tc_cb_list,
+ mlx5e_rep_setup_tc_cb,
+ priv, priv, true);
+ case TC_SETUP_FT:
+ return flow_block_cb_setup_simple(type_data,
+ &mlx5e_rep_block_ft_cb_list,
+ mlx5e_rep_setup_ft_cb,
+ priv, priv, true);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+int mlx5e_rep_tc_init(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
+ int err;
+
+ mutex_init(&uplink_priv->unready_flows_lock);
+ INIT_LIST_HEAD(&uplink_priv->unready_flows);
+
+ /* init shared tc flow table */
+ err = mlx5e_tc_esw_init(&uplink_priv->tc_ht);
+ return err;
+}
+
+void mlx5e_rep_tc_cleanup(struct mlx5e_rep_priv *rpriv)
+{
+ /* delete shared tc flow table */
+ mlx5e_tc_esw_cleanup(&rpriv->uplink_priv.tc_ht);
+ mutex_destroy(&rpriv->uplink_priv.unready_flows_lock);
+}
+
+void mlx5e_rep_tc_enable(struct mlx5e_priv *priv)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+
+ INIT_WORK(&rpriv->uplink_priv.reoffload_flows_work,
+ mlx5e_tc_reoffload_flows_work);
+}
+
+void mlx5e_rep_tc_disable(struct mlx5e_priv *priv)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+
+ cancel_work_sync(&rpriv->uplink_priv.reoffload_flows_work);
+}
+
+int mlx5e_rep_tc_event_port_affinity(struct mlx5e_priv *priv)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+
+ queue_work(priv->wq, &rpriv->uplink_priv.reoffload_flows_work);
+
+ return NOTIFY_OK;
+}
+
+static struct mlx5e_rep_indr_block_priv *
+mlx5e_rep_indr_block_priv_lookup(struct mlx5e_rep_priv *rpriv,
+ struct net_device *netdev)
+{
+ struct mlx5e_rep_indr_block_priv *cb_priv;
+
+ /* All callback list access should be protected by RTNL. */
+ ASSERT_RTNL();
+
+ list_for_each_entry(cb_priv,
+ &rpriv->uplink_priv.tc_indr_block_priv_list,
+ list)
+ if (cb_priv->netdev == netdev)
+ return cb_priv;
+
+ return NULL;
+}
+
+static int
+mlx5e_rep_indr_offload(struct net_device *netdev,
+ struct flow_cls_offload *flower,
+ struct mlx5e_rep_indr_block_priv *indr_priv,
+ unsigned long flags)
+{
+ struct mlx5e_priv *priv = netdev_priv(indr_priv->rpriv->netdev);
+ int err = 0;
+
+ switch (flower->command) {
+ case FLOW_CLS_REPLACE:
+ err = mlx5e_configure_flower(netdev, priv, flower, flags);
+ break;
+ case FLOW_CLS_DESTROY:
+ err = mlx5e_delete_flower(netdev, priv, flower, flags);
+ break;
+ case FLOW_CLS_STATS:
+ err = mlx5e_stats_flower(netdev, priv, flower, flags);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ }
+
+ return err;
+}
+
+static int mlx5e_rep_indr_setup_tc_cb(enum tc_setup_type type,
+ void *type_data, void *indr_priv)
+{
+ unsigned long flags = MLX5_TC_FLAG(EGRESS) | MLX5_TC_FLAG(ESW_OFFLOAD);
+ struct mlx5e_rep_indr_block_priv *priv = indr_priv;
+
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ return mlx5e_rep_indr_offload(priv->netdev, type_data, priv,
+ flags);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int mlx5e_rep_indr_setup_ft_cb(enum tc_setup_type type,
+ void *type_data, void *indr_priv)
+{
+ struct mlx5e_rep_indr_block_priv *priv = indr_priv;
+ struct flow_cls_offload *f = type_data;
+ struct flow_cls_offload tmp;
+ struct mlx5e_priv *mpriv;
+ struct mlx5_eswitch *esw;
+ unsigned long flags;
+ int err;
+
+ mpriv = netdev_priv(priv->rpriv->netdev);
+ esw = mpriv->mdev->priv.eswitch;
+
+ flags = MLX5_TC_FLAG(EGRESS) |
+ MLX5_TC_FLAG(ESW_OFFLOAD) |
+ MLX5_TC_FLAG(FT_OFFLOAD);
+
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ memcpy(&tmp, f, sizeof(*f));
+
+ /* Re-use tc offload path by moving the ft flow to the
+ * reserved ft chain.
+ *
+ * FT offload can use prio range [0, INT_MAX], so we normalize
+ * it to range [1, mlx5_esw_chains_get_prio_range(esw)]
+ * as with tc, where prio 0 isn't supported.
+ *
+ * We only support chain 0 of FT offload.
+ */
+ if (!mlx5_esw_chains_prios_supported(esw) ||
+ tmp.common.prio >= mlx5_esw_chains_get_prio_range(esw) ||
+ tmp.common.chain_index)
+ return -EOPNOTSUPP;
+
+ tmp.common.chain_index = mlx5_esw_chains_get_ft_chain(esw);
+ tmp.common.prio++;
+ err = mlx5e_rep_indr_offload(priv->netdev, &tmp, priv, flags);
+ memcpy(&f->stats, &tmp.stats, sizeof(f->stats));
+ return err;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void mlx5e_rep_indr_block_unbind(void *cb_priv)
+{
+ struct mlx5e_rep_indr_block_priv *indr_priv = cb_priv;
+
+ list_del(&indr_priv->list);
+ kfree(indr_priv);
+}
+
+static LIST_HEAD(mlx5e_block_cb_list);
+
+static int
+mlx5e_rep_indr_setup_block(struct net_device *netdev,
+ struct mlx5e_rep_priv *rpriv,
+ struct flow_block_offload *f,
+ flow_setup_cb_t *setup_cb)
+{
+ struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
+ struct mlx5e_rep_indr_block_priv *indr_priv;
+ struct flow_block_cb *block_cb;
+
+ if (!mlx5e_tc_tun_device_to_offload(priv, netdev) &&
+ !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev))
+ return -EOPNOTSUPP;
+
+ if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
+ return -EOPNOTSUPP;
+
+ f->unlocked_driver_cb = true;
+ f->driver_block_list = &mlx5e_block_cb_list;
+
+ switch (f->command) {
+ case FLOW_BLOCK_BIND:
+ indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev);
+ if (indr_priv)
+ return -EEXIST;
+
+ indr_priv = kmalloc(sizeof(*indr_priv), GFP_KERNEL);
+ if (!indr_priv)
+ return -ENOMEM;
+
+ indr_priv->netdev = netdev;
+ indr_priv->rpriv = rpriv;
+ list_add(&indr_priv->list,
+ &rpriv->uplink_priv.tc_indr_block_priv_list);
+
+ block_cb = flow_block_cb_alloc(setup_cb, indr_priv, indr_priv,
+ mlx5e_rep_indr_block_unbind);
+ if (IS_ERR(block_cb)) {
+ list_del(&indr_priv->list);
+ kfree(indr_priv);
+ return PTR_ERR(block_cb);
+ }
+ flow_block_cb_add(block_cb, f);
+ list_add_tail(&block_cb->driver_list, &mlx5e_block_cb_list);
+
+ return 0;
+ case FLOW_BLOCK_UNBIND:
+ indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev);
+ if (!indr_priv)
+ return -ENOENT;
+
+ block_cb = flow_block_cb_lookup(f->block, setup_cb, indr_priv);
+ if (!block_cb)
+ return -ENOENT;
+
+ flow_block_cb_remove(block_cb, f);
+ list_del(&block_cb->driver_list);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+
+static
+int mlx5e_rep_indr_setup_cb(struct net_device *netdev, void *cb_priv,
+ enum tc_setup_type type, void *type_data)
+{
+ switch (type) {
+ case TC_SETUP_BLOCK:
+ return mlx5e_rep_indr_setup_block(netdev, cb_priv, type_data,
+ mlx5e_rep_indr_setup_tc_cb);
+ case TC_SETUP_FT:
+ return mlx5e_rep_indr_setup_block(netdev, cb_priv, type_data,
+ mlx5e_rep_indr_setup_ft_cb);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+int mlx5e_rep_tc_netdevice_event_register(struct mlx5e_rep_priv *rpriv)
+{
+ struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
+
+ /* init indirect block notifications */
+ INIT_LIST_HEAD(&uplink_priv->tc_indr_block_priv_list);
+
+ return flow_indr_dev_register(mlx5e_rep_indr_setup_cb, rpriv);
+}
+
+void mlx5e_rep_tc_netdevice_event_unregister(struct mlx5e_rep_priv *rpriv)
+{
+ flow_indr_dev_unregister(mlx5e_rep_indr_setup_cb, rpriv,
+ mlx5e_rep_indr_setup_tc_cb);
+}
+
+#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
+static bool mlx5e_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb,
+ struct mlx5e_tc_update_priv *tc_priv,
+ u32 tunnel_id)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct tunnel_match_enc_opts enc_opts = {};
+ struct mlx5_rep_uplink_priv *uplink_priv;
+ struct mlx5e_rep_priv *uplink_rpriv;
+ struct metadata_dst *tun_dst;
+ struct tunnel_match_key key;
+ u32 tun_id, enc_opts_id;
+ struct net_device *dev;
+ int err;
+
+ enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK;
+ tun_id = tunnel_id >> ENC_OPTS_BITS;
+
+ if (!tun_id)
+ return true;
+
+ uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
+ uplink_priv = &uplink_rpriv->uplink_priv;
+
+ err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key);
+ if (err) {
+ WARN_ON_ONCE(true);
+ netdev_dbg(priv->netdev,
+ "Couldn't find tunnel for tun_id: %d, err: %d\n",
+ tun_id, err);
+ return false;
+ }
+
+ if (enc_opts_id) {
+ err = mapping_find(uplink_priv->tunnel_enc_opts_mapping,
+ enc_opts_id, &enc_opts);
+ if (err) {
+ netdev_dbg(priv->netdev,
+ "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n",
+ enc_opts_id, err);
+ return false;
+ }
+ }
+
+ tun_dst = tun_rx_dst(enc_opts.key.len);
+ if (!tun_dst) {
+ WARN_ON_ONCE(true);
+ return false;
+ }
+
+ ip_tunnel_key_init(&tun_dst->u.tun_info.key,
+ key.enc_ipv4.src, key.enc_ipv4.dst,
+ key.enc_ip.tos, key.enc_ip.ttl,
+ 0, /* label */
+ key.enc_tp.src, key.enc_tp.dst,
+ key32_to_tunnel_id(key.enc_key_id.keyid),
+ TUNNEL_KEY);
+
+ if (enc_opts.key.len)
+ ip_tunnel_info_opts_set(&tun_dst->u.tun_info,
+ enc_opts.key.data,
+ enc_opts.key.len,
+ enc_opts.key.dst_opt_type);
+
+ skb_dst_set(skb, (struct dst_entry *)tun_dst);
+ dev = dev_get_by_index(&init_net, key.filter_ifindex);
+ if (!dev) {
+ netdev_dbg(priv->netdev,
+ "Couldn't find tunnel device with ifindex: %d\n",
+ key.filter_ifindex);
+ return false;
+ }
+
+ /* Set tun_dev so we do dev_put() after datapath */
+ tc_priv->tun_dev = dev;
+
+ skb->dev = dev;
+
+ return true;
+}
+#endif /* CONFIG_NET_TC_SKB_EXT */
+
+bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
+ struct sk_buff *skb,
+ struct mlx5e_tc_update_priv *tc_priv)
+{
+#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
+ u32 chain = 0, reg_c0, reg_c1, tunnel_id, tuple_id;
+ struct mlx5_rep_uplink_priv *uplink_priv;
+ struct mlx5e_rep_priv *uplink_rpriv;
+ struct tc_skb_ext *tc_skb_ext;
+ struct mlx5_eswitch *esw;
+ struct mlx5e_priv *priv;
+ int tunnel_moffset;
+ int err;
+
+ reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK);
+ if (reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG)
+ reg_c0 = 0;
+ reg_c1 = be32_to_cpu(cqe->ft_metadata);
+
+ if (!reg_c0)
+ return true;
+
+ priv = netdev_priv(skb->dev);
+ esw = priv->mdev->priv.eswitch;
+
+ err = mlx5_eswitch_get_chain_for_tag(esw, reg_c0, &chain);
+ if (err) {
+ netdev_dbg(priv->netdev,
+ "Couldn't find chain for chain tag: %d, err: %d\n",
+ reg_c0, err);
+ return false;
+ }
+
+ if (chain) {
+ tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
+ if (!tc_skb_ext) {
+ WARN_ON(1);
+ return false;
+ }
+
+ tc_skb_ext->chain = chain;
+
+ tuple_id = reg_c1 & TUPLE_ID_MAX;
+
+ uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
+ uplink_priv = &uplink_rpriv->uplink_priv;
+ if (!mlx5e_tc_ct_restore_flow(uplink_priv, skb, tuple_id))
+ return false;
+ }
+
+ tunnel_moffset = mlx5e_tc_attr_to_reg_mappings[TUNNEL_TO_REG].moffset;
+ tunnel_id = reg_c1 >> (8 * tunnel_moffset);
+ return mlx5e_restore_tunnel(priv, skb, tc_priv, tunnel_id);
+#endif /* CONFIG_NET_TC_SKB_EXT */
+
+ return true;
+}
+
+void mlx5_rep_tc_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv)
+{
+ if (tc_priv->tun_dev)
+ dev_put(tc_priv->tun_dev);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.h b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.h
new file mode 100644
index 000000000000..fdf9702c2d7d
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.h
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies. */
+
+#ifndef __MLX5_EN_REP_TC_H__
+#define __MLX5_EN_REP_TC_H__
+
+#include <linux/skbuff.h>
+#include "en_tc.h"
+#include "en_rep.h"
+
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
+
+int mlx5e_rep_tc_init(struct mlx5e_rep_priv *rpriv);
+void mlx5e_rep_tc_cleanup(struct mlx5e_rep_priv *rpriv);
+
+int mlx5e_rep_tc_netdevice_event_register(struct mlx5e_rep_priv *rpriv);
+void mlx5e_rep_tc_netdevice_event_unregister(struct mlx5e_rep_priv *rpriv);
+
+void mlx5e_rep_tc_enable(struct mlx5e_priv *priv);
+void mlx5e_rep_tc_disable(struct mlx5e_priv *priv);
+
+int mlx5e_rep_tc_event_port_affinity(struct mlx5e_priv *priv);
+
+void mlx5e_rep_update_flows(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e,
+ bool neigh_connected,
+ unsigned char ha[ETH_ALEN]);
+
+int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e);
+void mlx5e_rep_encap_entry_detach(struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e);
+
+int mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data);
+
+bool mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
+ struct sk_buff *skb,
+ struct mlx5e_tc_update_priv *tc_priv);
+void mlx5_rep_tc_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv);
+
+#else /* CONFIG_MLX5_CLS_ACT */
+
+struct mlx5e_rep_priv;
+static inline int
+mlx5e_rep_tc_init(struct mlx5e_rep_priv *rpriv) { return 0; }
+static inline void
+mlx5e_rep_tc_cleanup(struct mlx5e_rep_priv *rpriv) {}
+
+static inline int
+mlx5e_rep_tc_netdevice_event_register(struct mlx5e_rep_priv *rpriv) { return 0; }
+static inline void
+mlx5e_rep_tc_netdevice_event_unregister(struct mlx5e_rep_priv *rpriv) {}
+
+static inline void
+mlx5e_rep_tc_enable(struct mlx5e_priv *priv) {}
+static inline void
+mlx5e_rep_tc_disable(struct mlx5e_priv *priv) {}
+
+static inline int
+mlx5e_rep_tc_event_port_affinity(struct mlx5e_priv *priv) { return NOTIFY_DONE; }
+
+static inline int
+mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
+ void *type_data) { return -EOPNOTSUPP; }
+
+struct mlx5e_tc_update_priv;
+static inline bool
+mlx5e_rep_tc_update_skb(struct mlx5_cqe64 *cqe,
+ struct sk_buff *skb,
+ struct mlx5e_tc_update_priv *tc_priv) { return true; }
+static inline void
+mlx5_rep_tc_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv) {}
+
+#endif /* CONFIG_MLX5_CLS_ACT */
+
+#endif /* __MLX5_EN_REP_TC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
index 16416eaac39e..afc19dca1f5f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
@@ -12,6 +12,7 @@
#include <net/flow_offload.h>
#include <net/netfilter/nf_flow_table.h>
#include <linux/workqueue.h>
+#include <linux/xarray.h>
#include "esw/chains.h"
#include "en/tc_ct.h"
@@ -23,6 +24,7 @@
#define MLX5_CT_ZONE_MASK GENMASK(MLX5_CT_ZONE_BITS - 1, 0)
#define MLX5_CT_STATE_ESTABLISHED_BIT BIT(1)
#define MLX5_CT_STATE_TRK_BIT BIT(2)
+#define MLX5_CT_STATE_NAT_BIT BIT(3)
#define MLX5_FTE_ID_BITS (mlx5e_tc_attr_to_reg_mappings[FTEID_TO_REG].mlen * 8)
#define MLX5_FTE_ID_MAX GENMASK(MLX5_FTE_ID_BITS - 1, 0)
@@ -35,7 +37,7 @@ struct mlx5_tc_ct_priv {
struct mlx5_eswitch *esw;
const struct net_device *netdev;
struct idr fte_ids;
- struct idr tuple_ids;
+ struct xarray tuple_ids;
struct rhashtable zone_ht;
struct mlx5_flow_table *ct;
struct mlx5_flow_table *ct_nat;
@@ -60,6 +62,15 @@ struct mlx5_ct_zone_rule {
bool nat;
};
+struct mlx5_tc_ct_pre {
+ struct mlx5_flow_table *fdb;
+ struct mlx5_flow_group *flow_grp;
+ struct mlx5_flow_group *miss_grp;
+ struct mlx5_flow_handle *flow_rule;
+ struct mlx5_flow_handle *miss_rule;
+ struct mlx5_modify_hdr *modify_hdr;
+};
+
struct mlx5_ct_ft {
struct rhash_head node;
u16 zone;
@@ -67,14 +78,14 @@ struct mlx5_ct_ft {
struct nf_flowtable *nf_ft;
struct mlx5_tc_ct_priv *ct_priv;
struct rhashtable ct_entries_ht;
+ struct mlx5_tc_ct_pre pre_ct;
+ struct mlx5_tc_ct_pre pre_ct_nat;
};
struct mlx5_ct_entry {
u16 zone;
struct rhash_head node;
- struct flow_rule *flow_rule;
struct mlx5_fc *counter;
- unsigned long lastuse;
unsigned long cookie;
unsigned long restore_cookie;
struct mlx5_ct_zone_rule zone_rules[2];
@@ -108,7 +119,7 @@ mlx5_tc_ct_get_ct_priv(struct mlx5e_priv *priv)
}
static int
-mlx5_tc_ct_set_tuple_match(struct mlx5_flow_spec *spec,
+mlx5_tc_ct_set_tuple_match(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec,
struct flow_rule *rule)
{
void *headers_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
@@ -123,10 +134,8 @@ mlx5_tc_ct_set_tuple_match(struct mlx5_flow_spec *spec,
flow_rule_match_basic(rule, &match);
- MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
- ntohs(match.mask->n_proto));
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
- ntohs(match.key->n_proto));
+ mlx5e_tc_set_ethertype(priv->mdev, &match, true, headers_c,
+ headers_v);
MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
match.mask->ip_proto);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
@@ -238,7 +247,7 @@ mlx5_tc_ct_entry_del_rule(struct mlx5_tc_ct_priv *ct_priv,
mlx5_eswitch_del_offloaded_rule(esw, zone_rule->rule, attr);
mlx5_modify_header_dealloc(esw->dev, attr->modify_hdr);
- idr_remove(&ct_priv->tuple_ids, zone_rule->tupleid);
+ xa_erase(&ct_priv->tuple_ids, zone_rule->tupleid);
}
static void
@@ -383,7 +392,7 @@ mlx5_tc_ct_entry_create_nat(struct mlx5_tc_ct_priv *ct_priv,
char *modact;
int err, i;
- action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto);
+ action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto);
flow_action_for_each(i, act, flow_action) {
switch (act->id) {
@@ -427,6 +436,7 @@ mlx5_tc_ct_entry_create_mod_hdr(struct mlx5_tc_ct_priv *ct_priv,
struct mlx5_eswitch *esw = ct_priv->esw;
struct mlx5_modify_hdr *mod_hdr;
struct flow_action_entry *meta;
+ u16 ct_state = 0;
int err;
meta = mlx5_tc_ct_get_ct_metadata_action(flow_rule);
@@ -445,11 +455,13 @@ mlx5_tc_ct_entry_create_mod_hdr(struct mlx5_tc_ct_priv *ct_priv,
&mod_acts);
if (err)
goto err_mapping;
+
+ ct_state |= MLX5_CT_STATE_NAT_BIT;
}
+ ct_state |= MLX5_CT_STATE_ESTABLISHED_BIT | MLX5_CT_STATE_TRK_BIT;
err = mlx5_tc_ct_entry_set_registers(ct_priv, &mod_acts,
- (MLX5_CT_STATE_ESTABLISHED_BIT |
- MLX5_CT_STATE_TRK_BIT),
+ ct_state,
meta->ct_metadata.mark,
meta->ct_metadata.labels[0],
tupleid);
@@ -483,7 +495,7 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
struct mlx5_esw_flow_attr *attr = &zone_rule->attr;
struct mlx5_eswitch *esw = ct_priv->esw;
struct mlx5_flow_spec *spec = NULL;
- u32 tupleid = 1;
+ u32 tupleid;
int err;
zone_rule->nat = nat;
@@ -493,12 +505,12 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
return -ENOMEM;
/* Get tuple unique id */
- err = idr_alloc_u32(&ct_priv->tuple_ids, zone_rule, &tupleid,
- TUPLE_ID_MAX, GFP_KERNEL);
+ err = xa_alloc(&ct_priv->tuple_ids, &tupleid, zone_rule,
+ XA_LIMIT(1, TUPLE_ID_MAX), GFP_KERNEL);
if (err) {
netdev_warn(ct_priv->netdev,
"Failed to allocate tuple id, err: %d\n", err);
- goto err_idr_alloc;
+ goto err_xa_alloc;
}
zone_rule->tupleid = tupleid;
@@ -519,7 +531,7 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
attr->counter = entry->counter;
attr->flags |= MLX5_ESW_ATTR_FLAG_NO_IN_PORT;
- mlx5_tc_ct_set_tuple_match(spec, flow_rule);
+ mlx5_tc_ct_set_tuple_match(netdev_priv(ct_priv->netdev), spec, flow_rule);
mlx5e_tc_match_to_reg_match(spec, ZONE_TO_REG,
entry->zone & MLX5_CT_ZONE_MASK,
MLX5_CT_ZONE_MASK);
@@ -539,8 +551,8 @@ mlx5_tc_ct_entry_add_rule(struct mlx5_tc_ct_priv *ct_priv,
err_rule:
mlx5_modify_header_dealloc(esw->dev, attr->modify_hdr);
err_mod_hdr:
- idr_remove(&ct_priv->tuple_ids, zone_rule->tupleid);
-err_idr_alloc:
+ xa_erase(&ct_priv->tuple_ids, zone_rule->tupleid);
+err_xa_alloc:
kfree(spec);
return err;
}
@@ -602,7 +614,6 @@ mlx5_tc_ct_block_flow_offload_add(struct mlx5_ct_ft *ft,
return -ENOMEM;
entry->zone = ft->zone;
- entry->flow_rule = flow_rule;
entry->cookie = flow->cookie;
entry->restore_cookie = meta_action->ct_metadata.cookie;
@@ -686,7 +697,7 @@ mlx5_tc_ct_block_flow_offload(enum tc_setup_type type, void *type_data,
return mlx5_tc_ct_block_flow_offload_stats(ft, f);
default:
break;
- };
+ }
return -EOPNOTSUPP;
}
@@ -698,6 +709,7 @@ mlx5_tc_ct_parse_match(struct mlx5e_priv *priv,
struct netlink_ext_ack *extack)
{
struct mlx5_tc_ct_priv *ct_priv = mlx5_tc_ct_get_ct_priv(priv);
+ struct flow_rule *rule = flow_cls_offload_flow_rule(f);
struct flow_dissector_key_ct *mask, *key;
bool trk, est, untrk, unest, new;
u32 ctstate = 0, ctstate_mask = 0;
@@ -705,7 +717,7 @@ mlx5_tc_ct_parse_match(struct mlx5e_priv *priv,
u16 ct_state, ct_state_mask;
struct flow_match_ct match;
- if (!flow_rule_match_key(f->rule, FLOW_DISSECTOR_KEY_CT))
+ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CT))
return 0;
if (!ct_priv) {
@@ -714,7 +726,7 @@ mlx5_tc_ct_parse_match(struct mlx5e_priv *priv,
return -EOPNOTSUPP;
}
- flow_rule_match_ct(f->rule, &match);
+ flow_rule_match_ct(rule, &match);
key = match.key;
mask = match.mask;
@@ -793,6 +805,238 @@ mlx5_tc_ct_parse_action(struct mlx5e_priv *priv,
return 0;
}
+static int tc_ct_pre_ct_add_rules(struct mlx5_ct_ft *ct_ft,
+ struct mlx5_tc_ct_pre *pre_ct,
+ bool nat)
+{
+ struct mlx5_tc_ct_priv *ct_priv = ct_ft->ct_priv;
+ struct mlx5e_tc_mod_hdr_acts pre_mod_acts = {};
+ struct mlx5_core_dev *dev = ct_priv->esw->dev;
+ struct mlx5_flow_table *fdb = pre_ct->fdb;
+ struct mlx5_flow_destination dest = {};
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_modify_hdr *mod_hdr;
+ struct mlx5_flow_handle *rule;
+ struct mlx5_flow_spec *spec;
+ u32 ctstate;
+ u16 zone;
+ int err;
+
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ zone = ct_ft->zone & MLX5_CT_ZONE_MASK;
+ err = mlx5e_tc_match_to_reg_set(dev, &pre_mod_acts, ZONE_TO_REG, zone);
+ if (err) {
+ ct_dbg("Failed to set zone register mapping");
+ goto err_mapping;
+ }
+
+ mod_hdr = mlx5_modify_header_alloc(dev,
+ MLX5_FLOW_NAMESPACE_FDB,
+ pre_mod_acts.num_actions,
+ pre_mod_acts.actions);
+
+ if (IS_ERR(mod_hdr)) {
+ err = PTR_ERR(mod_hdr);
+ ct_dbg("Failed to create pre ct mod hdr");
+ goto err_mapping;
+ }
+ pre_ct->modify_hdr = mod_hdr;
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
+ MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL;
+ flow_act.modify_hdr = mod_hdr;
+ dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+
+ /* add flow rule */
+ mlx5e_tc_match_to_reg_match(spec, ZONE_TO_REG,
+ zone, MLX5_CT_ZONE_MASK);
+ ctstate = MLX5_CT_STATE_TRK_BIT;
+ if (nat)
+ ctstate |= MLX5_CT_STATE_NAT_BIT;
+ mlx5e_tc_match_to_reg_match(spec, CTSTATE_TO_REG, ctstate, ctstate);
+
+ dest.ft = ct_priv->post_ct;
+ rule = mlx5_add_flow_rules(fdb, spec, &flow_act, &dest, 1);
+ if (IS_ERR(rule)) {
+ err = PTR_ERR(rule);
+ ct_dbg("Failed to add pre ct flow rule zone %d", zone);
+ goto err_flow_rule;
+ }
+ pre_ct->flow_rule = rule;
+
+ /* add miss rule */
+ memset(spec, 0, sizeof(*spec));
+ dest.ft = nat ? ct_priv->ct_nat : ct_priv->ct;
+ rule = mlx5_add_flow_rules(fdb, spec, &flow_act, &dest, 1);
+ if (IS_ERR(rule)) {
+ err = PTR_ERR(rule);
+ ct_dbg("Failed to add pre ct miss rule zone %d", zone);
+ goto err_miss_rule;
+ }
+ pre_ct->miss_rule = rule;
+
+ dealloc_mod_hdr_actions(&pre_mod_acts);
+ kvfree(spec);
+ return 0;
+
+err_miss_rule:
+ mlx5_del_flow_rules(pre_ct->flow_rule);
+err_flow_rule:
+ mlx5_modify_header_dealloc(dev, pre_ct->modify_hdr);
+err_mapping:
+ dealloc_mod_hdr_actions(&pre_mod_acts);
+ kvfree(spec);
+ return err;
+}
+
+static void
+tc_ct_pre_ct_del_rules(struct mlx5_ct_ft *ct_ft,
+ struct mlx5_tc_ct_pre *pre_ct)
+{
+ struct mlx5_tc_ct_priv *ct_priv = ct_ft->ct_priv;
+ struct mlx5_core_dev *dev = ct_priv->esw->dev;
+
+ mlx5_del_flow_rules(pre_ct->flow_rule);
+ mlx5_del_flow_rules(pre_ct->miss_rule);
+ mlx5_modify_header_dealloc(dev, pre_ct->modify_hdr);
+}
+
+static int
+mlx5_tc_ct_alloc_pre_ct(struct mlx5_ct_ft *ct_ft,
+ struct mlx5_tc_ct_pre *pre_ct,
+ bool nat)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_tc_ct_priv *ct_priv = ct_ft->ct_priv;
+ struct mlx5_core_dev *dev = ct_priv->esw->dev;
+ struct mlx5_flow_table_attr ft_attr = {};
+ struct mlx5_flow_namespace *ns;
+ struct mlx5_flow_table *ft;
+ struct mlx5_flow_group *g;
+ u32 metadata_reg_c_2_mask;
+ u32 *flow_group_in;
+ void *misc;
+ int err;
+
+ ns = mlx5_get_flow_namespace(dev, MLX5_FLOW_NAMESPACE_FDB);
+ if (!ns) {
+ err = -EOPNOTSUPP;
+ ct_dbg("Failed to get FDB flow namespace");
+ return err;
+ }
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ ft_attr.flags = MLX5_FLOW_TABLE_UNMANAGED;
+ ft_attr.prio = FDB_TC_OFFLOAD;
+ ft_attr.max_fte = 2;
+ ft_attr.level = 1;
+ ft = mlx5_create_flow_table(ns, &ft_attr);
+ if (IS_ERR(ft)) {
+ err = PTR_ERR(ft);
+ ct_dbg("Failed to create pre ct table");
+ goto out_free;
+ }
+ pre_ct->fdb = ft;
+
+ /* create flow group */
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_MISC_PARAMETERS_2);
+
+ misc = MLX5_ADDR_OF(create_flow_group_in, flow_group_in,
+ match_criteria.misc_parameters_2);
+
+ metadata_reg_c_2_mask = MLX5_CT_ZONE_MASK;
+ metadata_reg_c_2_mask |= (MLX5_CT_STATE_TRK_BIT << 16);
+ if (nat)
+ metadata_reg_c_2_mask |= (MLX5_CT_STATE_NAT_BIT << 16);
+
+ MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_2,
+ metadata_reg_c_2_mask);
+
+ g = mlx5_create_flow_group(ft, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ ct_dbg("Failed to create pre ct group");
+ goto err_flow_grp;
+ }
+ pre_ct->flow_grp = g;
+
+ /* create miss group */
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
+ g = mlx5_create_flow_group(ft, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ ct_dbg("Failed to create pre ct miss group");
+ goto err_miss_grp;
+ }
+ pre_ct->miss_grp = g;
+
+ err = tc_ct_pre_ct_add_rules(ct_ft, pre_ct, nat);
+ if (err)
+ goto err_add_rules;
+
+ kvfree(flow_group_in);
+ return 0;
+
+err_add_rules:
+ mlx5_destroy_flow_group(pre_ct->miss_grp);
+err_miss_grp:
+ mlx5_destroy_flow_group(pre_ct->flow_grp);
+err_flow_grp:
+ mlx5_destroy_flow_table(ft);
+out_free:
+ kvfree(flow_group_in);
+ return err;
+}
+
+static void
+mlx5_tc_ct_free_pre_ct(struct mlx5_ct_ft *ct_ft,
+ struct mlx5_tc_ct_pre *pre_ct)
+{
+ tc_ct_pre_ct_del_rules(ct_ft, pre_ct);
+ mlx5_destroy_flow_group(pre_ct->miss_grp);
+ mlx5_destroy_flow_group(pre_ct->flow_grp);
+ mlx5_destroy_flow_table(pre_ct->fdb);
+}
+
+static int
+mlx5_tc_ct_alloc_pre_ct_tables(struct mlx5_ct_ft *ft)
+{
+ int err;
+
+ err = mlx5_tc_ct_alloc_pre_ct(ft, &ft->pre_ct, false);
+ if (err)
+ return err;
+
+ err = mlx5_tc_ct_alloc_pre_ct(ft, &ft->pre_ct_nat, true);
+ if (err)
+ goto err_pre_ct_nat;
+
+ return 0;
+
+err_pre_ct_nat:
+ mlx5_tc_ct_free_pre_ct(ft, &ft->pre_ct);
+ return err;
+}
+
+static void
+mlx5_tc_ct_free_pre_ct_tables(struct mlx5_ct_ft *ft)
+{
+ mlx5_tc_ct_free_pre_ct(ft, &ft->pre_ct_nat);
+ mlx5_tc_ct_free_pre_ct(ft, &ft->pre_ct);
+}
+
static struct mlx5_ct_ft *
mlx5_tc_ct_add_ft_cb(struct mlx5_tc_ct_priv *ct_priv, u16 zone,
struct nf_flowtable *nf_ft)
@@ -815,6 +1059,10 @@ mlx5_tc_ct_add_ft_cb(struct mlx5_tc_ct_priv *ct_priv, u16 zone,
ft->ct_priv = ct_priv;
refcount_set(&ft->refcount, 1);
+ err = mlx5_tc_ct_alloc_pre_ct_tables(ft);
+ if (err)
+ goto err_alloc_pre_ct;
+
err = rhashtable_init(&ft->ct_entries_ht, &cts_ht_params);
if (err)
goto err_init;
@@ -836,6 +1084,8 @@ err_add_cb:
err_insert:
rhashtable_destroy(&ft->ct_entries_ht);
err_init:
+ mlx5_tc_ct_free_pre_ct_tables(ft);
+err_alloc_pre_ct:
kfree(ft);
return ERR_PTR(err);
}
@@ -861,21 +1111,40 @@ mlx5_tc_ct_del_ft_cb(struct mlx5_tc_ct_priv *ct_priv, struct mlx5_ct_ft *ft)
rhashtable_free_and_destroy(&ft->ct_entries_ht,
mlx5_tc_ct_flush_ft_entry,
ct_priv);
+ mlx5_tc_ct_free_pre_ct_tables(ft);
kfree(ft);
}
/* We translate the tc filter with CT action to the following HW model:
*
- * +-------------------+ +--------------------+ +--------------+
- * + pre_ct (tc chain) +----->+ CT (nat or no nat) +--->+ post_ct +----->
- * + original match + | + tuple + zone match + | + fte_id match + |
- * +-------------------+ | +--------------------+ | +--------------+ |
- * v v v
- * set chain miss mapping set mark original
- * set fte_id set label filter
- * set zone set established actions
- * set tunnel_id do nat (if needed)
- * do decap
+ * +---------------------+
+ * + fdb prio (tc chain) +
+ * + original match +
+ * +---------------------+
+ * | set chain miss mapping
+ * | set fte_id
+ * | set tunnel_id
+ * | do decap
+ * v
+ * +---------------------+
+ * + pre_ct/pre_ct_nat + if matches +---------------------+
+ * + zone+nat match +---------------->+ post_ct (see below) +
+ * +---------------------+ set zone +---------------------+
+ * | set zone
+ * v
+ * +--------------------+
+ * + CT (nat or no nat) +
+ * + tuple + zone match +
+ * +--------------------+
+ * | set mark
+ * | set label
+ * | set established
+ * | do nat (if needed)
+ * v
+ * +--------------+
+ * + post_ct + original filter actions
+ * + fte_id match +------------------------>
+ * +--------------+
*/
static int
__mlx5_tc_ct_flow_offload(struct mlx5e_priv *priv,
@@ -890,7 +1159,7 @@ __mlx5_tc_ct_flow_offload(struct mlx5e_priv *priv,
struct mlx5_flow_spec *post_ct_spec = NULL;
struct mlx5_eswitch *esw = ct_priv->esw;
struct mlx5_esw_flow_attr *pre_ct_attr;
- struct mlx5_modify_hdr *mod_hdr;
+ struct mlx5_modify_hdr *mod_hdr;
struct mlx5_flow_handle *rule;
struct mlx5_ct_flow *ct_flow;
int chain_mapping = 0, err;
@@ -953,14 +1222,6 @@ __mlx5_tc_ct_flow_offload(struct mlx5e_priv *priv,
goto err_mapping;
}
- err = mlx5e_tc_match_to_reg_set(esw->dev, &pre_mod_acts, ZONE_TO_REG,
- attr->ct_attr.zone &
- MLX5_CT_ZONE_MASK);
- if (err) {
- ct_dbg("Failed to set zone register mapping");
- goto err_mapping;
- }
-
err = mlx5e_tc_match_to_reg_set(esw->dev, &pre_mod_acts,
FTEID_TO_REG, fte_id);
if (err) {
@@ -1020,7 +1281,7 @@ __mlx5_tc_ct_flow_offload(struct mlx5e_priv *priv,
/* Change original rule point to ct table */
pre_ct_attr->dest_chain = 0;
- pre_ct_attr->dest_ft = nat ? ct_priv->ct_nat : ct_priv->ct;
+ pre_ct_attr->dest_ft = nat ? ft->pre_ct_nat.fdb : ft->pre_ct.fdb;
ct_flow->pre_ct_rule = mlx5_eswitch_add_offloaded_rule(esw,
orig_spec,
pre_ct_attr);
@@ -1130,7 +1391,7 @@ mlx5_tc_ct_flow_offload(struct mlx5e_priv *priv,
{
bool clear_action = attr->ct_attr.ct_action & TCA_CT_ACT_CLEAR;
struct mlx5_tc_ct_priv *ct_priv = mlx5_tc_ct_get_ct_priv(priv);
- struct mlx5_flow_handle *rule;
+ struct mlx5_flow_handle *rule = ERR_PTR(-EINVAL);
int err;
if (!ct_priv)
@@ -1299,7 +1560,7 @@ mlx5_tc_ct_init(struct mlx5_rep_uplink_priv *uplink_priv)
}
idr_init(&ct_priv->fte_ids);
- idr_init(&ct_priv->tuple_ids);
+ xa_init_flags(&ct_priv->tuple_ids, XA_FLAGS_ALLOC1);
mutex_init(&ct_priv->control_lock);
rhashtable_init(&ct_priv->zone_ht, &zone_params);
@@ -1334,7 +1595,7 @@ mlx5_tc_ct_clean(struct mlx5_rep_uplink_priv *uplink_priv)
rhashtable_destroy(&ct_priv->zone_ht);
mutex_destroy(&ct_priv->control_lock);
- idr_destroy(&ct_priv->tuple_ids);
+ xa_destroy(&ct_priv->tuple_ids);
idr_destroy(&ct_priv->fte_ids);
kfree(ct_priv);
@@ -1352,7 +1613,7 @@ mlx5e_tc_ct_restore_flow(struct mlx5_rep_uplink_priv *uplink_priv,
if (!ct_priv || !tupleid)
return true;
- zone_rule = idr_find(&ct_priv->tuple_ids, tupleid);
+ zone_rule = xa_load(&ct_priv->tuple_ids, tupleid);
if (!zone_rule)
return false;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h
index 091d305b633e..626f6c04882e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.h
@@ -130,7 +130,9 @@ mlx5_tc_ct_parse_match(struct mlx5e_priv *priv,
struct flow_cls_offload *f,
struct netlink_ext_ack *extack)
{
- if (!flow_rule_match_key(f->rule, FLOW_DISSECTOR_KEY_CT))
+ struct flow_rule *rule = flow_cls_offload_flow_rule(f);
+
+ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CT))
return 0;
NL_SET_ERR_MSG_MOD(extack, "mlx5 tc ct offload isn't enabled.");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
index b45c3f46570b..7cce85faa16f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c
@@ -4,8 +4,11 @@
#include <net/vxlan.h>
#include <net/gre.h>
#include <net/geneve.h>
+#include <net/bareudp.h>
#include "en/tc_tun.h"
#include "en_tc.h"
+#include "rep/tc.h"
+#include "rep/neigh.h"
struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev)
{
@@ -16,6 +19,8 @@ struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev)
else if (netif_is_gretap(tunnel_dev) ||
netif_is_ip6gretap(tunnel_dev))
return &gre_tunnel;
+ else if (netif_is_bareudp(tunnel_dev))
+ return &mplsoudp_tunnel;
else
return NULL;
}
@@ -96,9 +101,8 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv,
}
rt = ip_route_output_key(dev_net(mirred_dev), fl4);
- ret = PTR_ERR_OR_ZERO(rt);
- if (ret)
- return ret;
+ if (IS_ERR(rt))
+ return PTR_ERR(rt);
if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) {
ip_rt_put(rt);
@@ -508,6 +512,13 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
+ struct flow_dissector_key_basic key_basic = {};
+ struct flow_dissector_key_basic mask_basic = {
+ .n_proto = htons(0xFFFF),
+ };
+ struct flow_match_basic match_basic = {
+ .key = &key_basic, .mask = &mask_basic,
+ };
struct flow_match_control match;
u16 addr_type;
@@ -533,10 +544,9 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
dst_ipv4_dst_ipv6.ipv4_layout.ipv4,
ntohl(match.key->dst));
- MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c,
- ethertype);
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
- ETH_P_IP);
+ key_basic.n_proto = htons(ETH_P_IP);
+ mlx5e_tc_set_ethertype(priv->mdev, &match_basic, true,
+ headers_c, headers_v);
} else if (addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS) {
struct flow_match_ipv6_addrs match;
@@ -559,10 +569,9 @@ int mlx5e_tc_tun_parse(struct net_device *filter_dev,
&match.key->dst, MLX5_FLD_SZ_BYTES(ipv6_layout,
ipv6));
- MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c,
- ethertype);
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
- ETH_P_IPV6);
+ key_basic.n_proto = htons(ETH_P_IPV6);
+ mlx5e_tc_set_ethertype(priv->mdev, &match_basic, true,
+ headers_c, headers_v);
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
index 1630f0ec3ad7..704359df6095 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h
@@ -16,6 +16,7 @@ enum {
MLX5E_TC_TUNNEL_TYPE_VXLAN,
MLX5E_TC_TUNNEL_TYPE_GENEVE,
MLX5E_TC_TUNNEL_TYPE_GRETAP,
+ MLX5E_TC_TUNNEL_TYPE_MPLSOUDP,
};
struct mlx5e_tc_tunnel {
@@ -46,6 +47,7 @@ struct mlx5e_tc_tunnel {
extern struct mlx5e_tc_tunnel vxlan_tunnel;
extern struct mlx5e_tc_tunnel geneve_tunnel;
extern struct mlx5e_tc_tunnel gre_tunnel;
+extern struct mlx5e_tc_tunnel mplsoudp_tunnel;
struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_mplsoudp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_mplsoudp.c
new file mode 100644
index 000000000000..1f9526244222
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_mplsoudp.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2018 Mellanox Technologies. */
+
+#include <net/bareudp.h>
+#include <net/mpls.h>
+#include "en/tc_tun.h"
+
+static bool can_offload(struct mlx5e_priv *priv)
+{
+ return MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, reformat_l3_tunnel_to_l2);
+}
+
+static int calc_hlen(struct mlx5e_encap_entry *e)
+{
+ return sizeof(struct udphdr) + MPLS_HLEN;
+}
+
+static int init_encap_attr(struct net_device *tunnel_dev,
+ struct mlx5e_priv *priv,
+ struct mlx5e_encap_entry *e,
+ struct netlink_ext_ack *extack)
+{
+ e->tunnel = &mplsoudp_tunnel;
+ e->reformat_type = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
+ return 0;
+}
+
+static int generate_ip_tun_hdr(char buf[],
+ __u8 *ip_proto,
+ struct mlx5e_encap_entry *r)
+{
+ const struct ip_tunnel_key *tun_key = &r->tun_info->key;
+ struct udphdr *udp = (struct udphdr *)(buf);
+ struct mpls_shim_hdr *mpls;
+ u32 tun_id;
+
+ tun_id = be32_to_cpu(tunnel_id_to_key32(tun_key->tun_id));
+ mpls = (struct mpls_shim_hdr *)(udp + 1);
+ *ip_proto = IPPROTO_UDP;
+
+ udp->dest = tun_key->tp_dst;
+ *mpls = mpls_entry_encode(tun_id, tun_key->ttl, tun_key->tos, true);
+
+ return 0;
+}
+
+static int parse_udp_ports(struct mlx5e_priv *priv,
+ struct mlx5_flow_spec *spec,
+ struct flow_cls_offload *f,
+ void *headers_c,
+ void *headers_v)
+{
+ return mlx5e_tc_tun_parse_udp_ports(priv, spec, f, headers_c, headers_v);
+}
+
+static int parse_tunnel(struct mlx5e_priv *priv,
+ struct mlx5_flow_spec *spec,
+ struct flow_cls_offload *f,
+ void *headers_c,
+ void *headers_v)
+{
+ struct flow_rule *rule = flow_cls_offload_flow_rule(f);
+ struct flow_match_enc_keyid enc_keyid;
+ struct flow_match_mpls match;
+ void *misc2_c;
+ void *misc2_v;
+
+ misc2_c = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+ misc_parameters_2);
+ misc2_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+ misc_parameters_2);
+
+ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS))
+ return 0;
+
+ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_KEYID))
+ return 0;
+
+ flow_rule_match_enc_keyid(rule, &enc_keyid);
+
+ if (!enc_keyid.mask->keyid)
+ return 0;
+
+ if (!(MLX5_CAP_GEN(priv->mdev, flex_parser_protocols) &
+ MLX5_FLEX_PROTO_CW_MPLS_UDP))
+ return -EOPNOTSUPP;
+
+ flow_rule_match_mpls(rule, &match);
+
+ /* Only support matching the first LSE */
+ if (match.mask->used_lses != 1)
+ return -EOPNOTSUPP;
+
+ MLX5_SET(fte_match_set_misc2, misc2_c,
+ outer_first_mpls_over_udp.mpls_label,
+ match.mask->ls[0].mpls_label);
+ MLX5_SET(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_udp.mpls_label,
+ match.key->ls[0].mpls_label);
+
+ MLX5_SET(fte_match_set_misc2, misc2_c,
+ outer_first_mpls_over_udp.mpls_exp,
+ match.mask->ls[0].mpls_tc);
+ MLX5_SET(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_udp.mpls_exp, match.key->ls[0].mpls_tc);
+
+ MLX5_SET(fte_match_set_misc2, misc2_c,
+ outer_first_mpls_over_udp.mpls_s_bos,
+ match.mask->ls[0].mpls_bos);
+ MLX5_SET(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_udp.mpls_s_bos,
+ match.key->ls[0].mpls_bos);
+
+ MLX5_SET(fte_match_set_misc2, misc2_c,
+ outer_first_mpls_over_udp.mpls_ttl,
+ match.mask->ls[0].mpls_ttl);
+ MLX5_SET(fte_match_set_misc2, misc2_v,
+ outer_first_mpls_over_udp.mpls_ttl,
+ match.key->ls[0].mpls_ttl);
+ spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_2;
+
+ return 0;
+}
+
+struct mlx5e_tc_tunnel mplsoudp_tunnel = {
+ .tunnel_type = MLX5E_TC_TUNNEL_TYPE_MPLSOUDP,
+ .match_level = MLX5_MATCH_L4,
+ .can_offload = can_offload,
+ .calc_hlen = calc_hlen,
+ .init_encap_attr = init_encap_attr,
+ .generate_ip_tun_hdr = generate_ip_tun_hdr,
+ .parse_udp_ports = parse_udp_ports,
+ .parse_tunnel = parse_tunnel,
+};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
index f07b1399744e..bfd3e1161bc6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
@@ -6,46 +6,32 @@
#include "en.h"
-#define MLX5E_SQ_NOPS_ROOM (MLX5_SEND_WQE_MAX_WQEBBS - 1)
-#define MLX5E_SQ_STOP_ROOM (MLX5_SEND_WQE_MAX_WQEBBS +\
- MLX5E_SQ_NOPS_ROOM)
-
-#ifndef CONFIG_MLX5_EN_TLS
-#define MLX5E_SQ_TLS_ROOM (0)
-#else
-/* TLS offload requires additional stop_room for:
- * - a resync SKB.
- * kTLS offload requires fixed additional stop_room for:
- * - a static params WQE, and a progress params WQE.
- * The additional MTU-depending room for the resync DUMP WQEs
- * will be calculated and added in runtime.
- */
-#define MLX5E_SQ_TLS_ROOM \
- (MLX5_SEND_WQE_MAX_WQEBBS + \
- MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS)
-#endif
-
#define INL_HDR_START_SZ (sizeof(((struct mlx5_wqe_eth_seg *)NULL)->inline_hdr.start))
+enum mlx5e_icosq_wqe_type {
+ MLX5E_ICOSQ_WQE_NOP,
+ MLX5E_ICOSQ_WQE_UMR_RX,
+};
+
static inline bool
mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
{
return (mlx5_wq_cyc_ctr2ix(wq, cc - pc) >= n) || (cc == pc);
}
-static inline void *
-mlx5e_sq_fetch_wqe(struct mlx5e_txqsq *sq, size_t size, u16 *pi)
+static inline void *mlx5e_fetch_wqe(struct mlx5_wq_cyc *wq, u16 pi, size_t wqe_size)
{
- struct mlx5_wq_cyc *wq = &sq->wq;
void *wqe;
- *pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- wqe = mlx5_wq_cyc_get_wqe(wq, *pi);
- memset(wqe, 0, size);
+ wqe = mlx5_wq_cyc_get_wqe(wq, pi);
+ memset(wqe, 0, wqe_size);
return wqe;
}
+#define MLX5E_TX_FETCH_WQE(sq, pi) \
+ ((struct mlx5e_tx_wqe *)mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_tx_wqe)))
+
static inline struct mlx5e_tx_wqe *
mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
{
@@ -81,6 +67,84 @@ mlx5e_post_nop_fence(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
return wqe;
}
+struct mlx5e_tx_wqe_info {
+ struct sk_buff *skb;
+ u32 num_bytes;
+ u8 num_wqebbs;
+ u8 num_dma;
+#ifdef CONFIG_MLX5_EN_TLS
+ struct page *resync_dump_frag_page;
+#endif
+};
+
+static inline u16 mlx5e_txqsq_get_next_pi(struct mlx5e_txqsq *sq, u16 size)
+{
+ struct mlx5_wq_cyc *wq = &sq->wq;
+ u16 pi, contig_wqebbs;
+
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ contig_wqebbs = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs < size)) {
+ struct mlx5e_tx_wqe_info *wi, *edge_wi;
+
+ wi = &sq->db.wqe_info[pi];
+ edge_wi = wi + contig_wqebbs;
+
+ /* Fill SQ frag edge with NOPs to avoid WQE wrapping two pages. */
+ for (; wi < edge_wi; wi++) {
+ *wi = (struct mlx5e_tx_wqe_info) {
+ .num_wqebbs = 1,
+ };
+ mlx5e_post_nop(wq, sq->sqn, &sq->pc);
+ }
+ sq->stats->nop += contig_wqebbs;
+
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ }
+
+ return pi;
+}
+
+struct mlx5e_icosq_wqe_info {
+ u8 wqe_type;
+ u8 num_wqebbs;
+
+ /* Auxiliary data for different wqe types. */
+ union {
+ struct {
+ struct mlx5e_rq *rq;
+ } umr;
+ };
+};
+
+static inline u16 mlx5e_icosq_get_next_pi(struct mlx5e_icosq *sq, u16 size)
+{
+ struct mlx5_wq_cyc *wq = &sq->wq;
+ u16 pi, contig_wqebbs;
+
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ contig_wqebbs = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs < size)) {
+ struct mlx5e_icosq_wqe_info *wi, *edge_wi;
+
+ wi = &sq->db.wqe_info[pi];
+ edge_wi = wi + contig_wqebbs;
+
+ /* Fill SQ frag edge with NOPs to avoid WQE wrapping two pages. */
+ for (; wi < edge_wi; wi++) {
+ *wi = (struct mlx5e_icosq_wqe_info) {
+ .wqe_type = MLX5E_ICOSQ_WQE_NOP,
+ .num_wqebbs = 1,
+ };
+ mlx5e_post_nop(wq, sq->sqn, &sq->pc);
+ }
+
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ }
+
+ return pi;
+}
+
static inline void
mlx5e_fill_sq_frag_edge(struct mlx5e_txqsq *sq, struct mlx5_wq_cyc *wq,
u16 pi, u16 nnops)
@@ -102,7 +166,7 @@ static inline void
mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc, void __iomem *uar_map,
struct mlx5_wqe_ctrl_seg *ctrl)
{
- ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
+ ctrl->fm_ce_se |= MLX5_WQE_CTRL_CQ_UPDATE;
/* ensure wqe is visible to device before updating doorbell record */
dma_wmb();
@@ -189,6 +253,22 @@ static inline void mlx5e_rqwq_reset(struct mlx5e_rq *rq)
}
}
+static inline void mlx5e_dump_error_cqe(struct mlx5e_cq *cq, u32 sqn,
+ struct mlx5_err_cqe *err_cqe)
+{
+ struct mlx5_cqwq *wq = &cq->wq;
+ u32 ci;
+
+ ci = mlx5_cqwq_ctr2ix(wq, wq->cc - 1);
+
+ netdev_err(cq->channel->netdev,
+ "Error cqe on cqn 0x%x, ci 0x%x, sqn 0x%x, opcode 0x%x, syndrome 0x%x, vendor syndrome 0x%x\n",
+ cq->mcq.cqn, ci, sqn,
+ get_cqe_opcode((struct mlx5_cqe64 *)err_cqe),
+ err_cqe->syndrome, err_cqe->vendor_err_synd);
+ mlx5_dump_err_cqe(cq->mdev, err_cqe);
+}
+
/* SW parser related functions */
struct mlx5e_swp_spec {
@@ -232,4 +312,25 @@ mlx5e_set_eseg_swp(struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg,
}
}
+static inline u16 mlx5e_stop_room_for_wqe(u16 wqe_size)
+{
+ BUILD_BUG_ON(PAGE_SIZE / MLX5_SEND_WQE_BB < MLX5_SEND_WQE_MAX_WQEBBS);
+
+ /* A WQE must not cross the page boundary, hence two conditions:
+ * 1. Its size must not exceed the page size.
+ * 2. If the WQE size is X, and the space remaining in a page is less
+ * than X, this space needs to be padded with NOPs. So, one WQE of
+ * size X may require up to X-1 WQEBBs of padding, which makes the
+ * stop room of X-1 + X.
+ * WQE size is also limited by the hardware limit.
+ */
+
+ if (__builtin_constant_p(wqe_size))
+ BUILD_BUG_ON(wqe_size > MLX5_SEND_WQE_MAX_WQEBBS);
+ else
+ WARN_ON_ONCE(wqe_size > MLX5_SEND_WQE_MAX_WQEBBS);
+
+ return wqe_size * 2 - 1;
+}
+
#endif
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index f049e0ac308a..c9d308e91965 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
@@ -31,7 +31,7 @@
*/
#include <linux/bpf_trace.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include "en/xdp.h"
#include "en/params.h"
@@ -64,14 +64,14 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq,
struct xdp_frame *xdpf;
dma_addr_t dma_addr;
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return false;
xdptxd.data = xdpf->data;
xdptxd.len = xdpf->len;
- if (xdp->rxq->mem.type == MEM_TYPE_ZERO_COPY) {
+ if (xdp->rxq->mem.type == MEM_TYPE_XSK_BUFF_POOL) {
/* The xdp_buff was in the UMEM and was copied into a newly
* allocated page. The UMEM page was returned via the ZCA, and
* this new page has to be mapped at this point and has to be
@@ -97,10 +97,10 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq,
xdpi.frame.xdpf = xdpf;
xdpi.frame.dma_addr = dma_addr;
} else {
- /* Driver assumes that convert_to_xdp_frame returns an xdp_frame
- * that points to the same memory region as the original
- * xdp_buff. It allows to map the memory only once and to use
- * the DMA_BIDIRECTIONAL mode.
+ /* Driver assumes that xdp_convert_buff_to_frame returns
+ * an xdp_frame that points to the same memory region as
+ * the original xdp_buff. It allows to map the memory only
+ * once and to use the DMA_BIDIRECTIONAL mode.
*/
xdpi.mode = MLX5E_XDP_XMIT_MODE_PAGE;
@@ -119,49 +119,33 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq,
/* returns true if packet was consumed by xdp */
bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di,
- void *va, u16 *rx_headroom, u32 *len, bool xsk)
+ u32 *len, struct xdp_buff *xdp)
{
struct bpf_prog *prog = READ_ONCE(rq->xdp_prog);
- struct xdp_umem *umem = rq->umem;
- struct xdp_buff xdp;
u32 act;
int err;
if (!prog)
return false;
- xdp.data = va + *rx_headroom;
- xdp_set_data_meta_invalid(&xdp);
- xdp.data_end = xdp.data + *len;
- xdp.data_hard_start = va;
- if (xsk)
- xdp.handle = di->xsk.handle;
- xdp.rxq = &rq->xdp_rxq;
-
- act = bpf_prog_run_xdp(prog, &xdp);
- if (xsk) {
- u64 off = xdp.data - xdp.data_hard_start;
-
- xdp.handle = xsk_umem_adjust_offset(umem, xdp.handle, off);
- }
+ act = bpf_prog_run_xdp(prog, xdp);
switch (act) {
case XDP_PASS:
- *rx_headroom = xdp.data - xdp.data_hard_start;
- *len = xdp.data_end - xdp.data;
+ *len = xdp->data_end - xdp->data;
return false;
case XDP_TX:
- if (unlikely(!mlx5e_xmit_xdp_buff(rq->xdpsq, rq, di, &xdp)))
+ if (unlikely(!mlx5e_xmit_xdp_buff(rq->xdpsq, rq, di, xdp)))
goto xdp_abort;
__set_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags); /* non-atomic */
return true;
case XDP_REDIRECT:
/* When XDP enabled then page-refcnt==1 here */
- err = xdp_do_redirect(rq->netdev, &xdp, prog);
+ err = xdp_do_redirect(rq->netdev, xdp, prog);
if (unlikely(err))
goto xdp_abort;
__set_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags);
__set_bit(MLX5E_RQ_FLAG_XDP_REDIRECT, rq->flags);
- if (!xsk)
+ if (xdp->rxq->mem.type != MEM_TYPE_XSK_BUFF_POOL)
mlx5e_page_dma_unmap(rq, di);
rq->stats->xdp_redirect++;
return true;
@@ -178,20 +162,43 @@ xdp_abort:
}
}
-static void mlx5e_xdp_mpwqe_session_start(struct mlx5e_xdpsq *sq)
+static u16 mlx5e_xdpsq_get_next_pi(struct mlx5e_xdpsq *sq, u16 size)
{
- struct mlx5e_xdp_mpwqe *session = &sq->mpwqe;
- struct mlx5e_xdpsq_stats *stats = sq->stats;
struct mlx5_wq_cyc *wq = &sq->wq;
u16 pi, contig_wqebbs;
pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
contig_wqebbs = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs < size)) {
+ struct mlx5e_xdp_wqe_info *wi, *edge_wi;
+
+ wi = &sq->db.wqe_info[pi];
+ edge_wi = wi + contig_wqebbs;
+
+ /* Fill SQ frag edge with NOPs to avoid WQE wrapping two pages. */
+ for (; wi < edge_wi; wi++) {
+ *wi = (struct mlx5e_xdp_wqe_info) {
+ .num_wqebbs = 1,
+ .num_pkts = 0,
+ };
+ mlx5e_post_nop(wq, sq->sqn, &sq->pc);
+ }
+ sq->stats->nops += contig_wqebbs;
- if (unlikely(contig_wqebbs < MLX5_SEND_WQE_MAX_WQEBBS))
- mlx5e_fill_xdpsq_frag_edge(sq, wq, pi, contig_wqebbs);
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ }
+
+ return pi;
+}
- session->wqe = mlx5e_xdpsq_fetch_wqe(sq, &pi);
+static void mlx5e_xdp_mpwqe_session_start(struct mlx5e_xdpsq *sq)
+{
+ struct mlx5e_xdp_mpwqe *session = &sq->mpwqe;
+ struct mlx5e_xdpsq_stats *stats = sq->stats;
+ u16 pi;
+
+ pi = mlx5e_xdpsq_get_next_pi(sq, MLX5_SEND_WQE_MAX_WQEBBS);
+ session->wqe = MLX5E_TX_FETCH_WQE(sq, pi);
prefetchw(session->wqe->data);
session->ds_count = MLX5E_XDP_TX_EMPTY_DS_COUNT;
@@ -233,8 +240,10 @@ enum {
static int mlx5e_xmit_xdp_frame_check_mpwqe(struct mlx5e_xdpsq *sq)
{
if (unlikely(!sq->mpwqe.wqe)) {
+ const u16 stop_room = mlx5e_stop_room_for_wqe(MLX5_SEND_WQE_MAX_WQEBBS);
+
if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc,
- MLX5E_XDPSQ_STOP_ROOM))) {
+ stop_room))) {
/* SQ is full, ring doorbell */
mlx5e_xmit_xdp_doorbell(sq);
sq->stats->full++;
@@ -408,22 +417,15 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
i = 0;
do {
- u16 wqe_counter;
+ struct mlx5e_xdp_wqe_info *wi;
+ u16 wqe_counter, ci;
bool last_wqe;
mlx5_cqwq_pop(&cq->wq);
wqe_counter = be16_to_cpu(cqe->wqe_counter);
- if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_REQ))
- netdev_WARN_ONCE(sq->channel->netdev,
- "Bad OP in XDPSQ CQE: 0x%x\n",
- get_cqe_opcode(cqe));
-
do {
- struct mlx5e_xdp_wqe_info *wi;
- u16 ci;
-
last_wqe = (sqcc == wqe_counter);
ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
wi = &sq->db.wqe_info[ci];
@@ -432,6 +434,15 @@ bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq)
mlx5e_free_xdpsq_desc(sq, wi, &xsk_frames, true);
} while (!last_wqe);
+
+ if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_REQ)) {
+ netdev_WARN_ONCE(sq->channel->netdev,
+ "Bad OP in XDPSQ CQE: 0x%x\n",
+ get_cqe_opcode(cqe));
+ mlx5e_dump_error_cqe(&sq->cq, sq->sqn,
+ (struct mlx5_err_cqe *)cqe);
+ mlx5_wq_cyc_wqe_dump(&sq->wq, ci, wi->num_wqebbs);
+ }
} while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));
if (xsk_frames)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
index d7587f40ecae..ca48c293151b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.h
@@ -40,8 +40,6 @@
(sizeof(struct mlx5e_tx_wqe) / MLX5_SEND_WQE_DS)
#define MLX5E_XDP_TX_DS_COUNT (MLX5E_XDP_TX_EMPTY_DS_COUNT + 1 /* SG DS */)
-#define MLX5E_XDPSQ_STOP_ROOM (MLX5E_SQ_STOP_ROOM)
-
#define MLX5E_XDP_INLINE_WQE_SZ_THRSD (256 - sizeof(struct mlx5_wqe_inline_seg))
#define MLX5E_XDP_INLINE_WQE_MAX_DS_CNT \
DIV_ROUND_UP(MLX5E_XDP_INLINE_WQE_SZ_THRSD, MLX5_SEND_WQE_DS)
@@ -63,7 +61,7 @@
struct mlx5e_xsk_param;
int mlx5e_xdp_max_mtu(struct mlx5e_params *params, struct mlx5e_xsk_param *xsk);
bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di,
- void *va, u16 *rx_headroom, u32 *len, bool xsk);
+ u32 *len, struct xdp_buff *xdp);
void mlx5e_xdp_mpwqe_complete(struct mlx5e_xdpsq *sq);
bool mlx5e_poll_xdpsq_cq(struct mlx5e_cq *cq);
void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq);
@@ -137,22 +135,10 @@ mlx5e_xdp_no_room_for_inline_pkt(struct mlx5e_xdp_mpwqe *session)
session->ds_count + MLX5E_XDP_INLINE_WQE_MAX_DS_CNT > MLX5E_XDP_MPW_MAX_NUM_DS;
}
-static inline void
-mlx5e_fill_xdpsq_frag_edge(struct mlx5e_xdpsq *sq, struct mlx5_wq_cyc *wq,
- u16 pi, u16 nnops)
-{
- struct mlx5e_xdp_wqe_info *edge_wi, *wi = &sq->db.wqe_info[pi];
-
- edge_wi = wi + nnops;
- /* fill sq frag edge with nops to avoid wqe wrapping two pages */
- for (; wi < edge_wi; wi++) {
- wi->num_wqebbs = 1;
- wi->num_pkts = 0;
- mlx5e_post_nop(wq, sq->sqn, &sq->pc);
- }
-
- sq->stats->nops += nnops;
-}
+struct mlx5e_xdp_wqe_info {
+ u8 num_wqebbs;
+ u8 num_pkts;
+};
static inline void
mlx5e_xdp_mpwqe_add_dseg(struct mlx5e_xdpsq *sq,
@@ -186,19 +172,6 @@ mlx5e_xdp_mpwqe_add_dseg(struct mlx5e_xdpsq *sq,
session->ds_count++;
}
-static inline struct mlx5e_tx_wqe *
-mlx5e_xdpsq_fetch_wqe(struct mlx5e_xdpsq *sq, u16 *pi)
-{
- struct mlx5_wq_cyc *wq = &sq->wq;
- struct mlx5e_tx_wqe *wqe;
-
- *pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- wqe = mlx5_wq_cyc_get_wqe(wq, *pi);
- memset(wqe, 0, sizeof(*wqe));
-
- return wqe;
-}
-
static inline void
mlx5e_xdpi_fifo_push(struct mlx5e_xdp_info_fifo *fifo,
struct mlx5e_xdp_info *xi)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
index 62fc8a128a8d..a33a1f762c70 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c
@@ -3,71 +3,10 @@
#include "rx.h"
#include "en/xdp.h"
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
/* RX data path */
-bool mlx5e_xsk_pages_enough_umem(struct mlx5e_rq *rq, int count)
-{
- /* Check in advance that we have enough frames, instead of allocating
- * one-by-one, failing and moving frames to the Reuse Ring.
- */
- return xsk_umem_has_addrs_rq(rq->umem, count);
-}
-
-int mlx5e_xsk_page_alloc_umem(struct mlx5e_rq *rq,
- struct mlx5e_dma_info *dma_info)
-{
- struct xdp_umem *umem = rq->umem;
- u64 handle;
-
- if (!xsk_umem_peek_addr_rq(umem, &handle))
- return -ENOMEM;
-
- dma_info->xsk.handle = xsk_umem_adjust_offset(umem, handle,
- rq->buff.umem_headroom);
- dma_info->xsk.data = xdp_umem_get_data(umem, dma_info->xsk.handle);
-
- /* No need to add headroom to the DMA address. In striding RQ case, we
- * just provide pages for UMR, and headroom is counted at the setup
- * stage when creating a WQE. In non-striding RQ case, headroom is
- * accounted in mlx5e_alloc_rx_wqe.
- */
- dma_info->addr = xdp_umem_get_dma(umem, handle);
-
- xsk_umem_release_addr_rq(umem);
-
- dma_sync_single_for_device(rq->pdev, dma_info->addr, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
-
- return 0;
-}
-
-static inline void mlx5e_xsk_recycle_frame(struct mlx5e_rq *rq, u64 handle)
-{
- xsk_umem_fq_reuse(rq->umem, handle & rq->umem->chunk_mask);
-}
-
-/* XSKRQ uses pages from UMEM, they must not be released. They are returned to
- * the userspace if possible, and if not, this function is called to reuse them
- * in the driver.
- */
-void mlx5e_xsk_page_release(struct mlx5e_rq *rq,
- struct mlx5e_dma_info *dma_info)
-{
- mlx5e_xsk_recycle_frame(rq, dma_info->xsk.handle);
-}
-
-/* Return a frame back to the hardware to fill in again. It is used by XDP when
- * the XDP program returns XDP_TX or XDP_REDIRECT not to an XSKMAP.
- */
-void mlx5e_xsk_zca_free(struct zero_copy_allocator *zca, unsigned long handle)
-{
- struct mlx5e_rq *rq = container_of(zca, struct mlx5e_rq, zca);
-
- mlx5e_xsk_recycle_frame(rq, handle);
-}
-
static struct sk_buff *mlx5e_xsk_construct_skb(struct mlx5e_rq *rq, void *data,
u32 cqe_bcnt)
{
@@ -90,11 +29,8 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
u32 head_offset,
u32 page_idx)
{
- struct mlx5e_dma_info *di = &wi->umr.dma_info[page_idx];
- u16 rx_headroom = rq->buff.headroom - rq->buff.umem_headroom;
+ struct xdp_buff *xdp = wi->umr.dma_info[page_idx].xsk;
u32 cqe_bcnt32 = cqe_bcnt;
- void *va, *data;
- u32 frag_size;
bool consumed;
/* Check packet size. Note LRO doesn't use linear SKB */
@@ -103,22 +39,20 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
return NULL;
}
- /* head_offset is not used in this function, because di->xsk.data and
- * di->addr point directly to the necessary place. Furthermore, in the
- * current implementation, UMR pages are mapped to XSK frames, so
+ /* head_offset is not used in this function, because xdp->data and the
+ * DMA address point directly to the necessary place. Furthermore, in
+ * the current implementation, UMR pages are mapped to XSK frames, so
* head_offset should always be 0.
*/
WARN_ON_ONCE(head_offset);
- va = di->xsk.data;
- data = va + rx_headroom;
- frag_size = rq->buff.headroom + cqe_bcnt32;
-
- dma_sync_single_for_cpu(rq->pdev, di->addr, frag_size, DMA_BIDIRECTIONAL);
- prefetch(data);
+ xdp->data_end = xdp->data + cqe_bcnt32;
+ xdp_set_data_meta_invalid(xdp);
+ xsk_buff_dma_sync_for_cpu(xdp);
+ prefetch(xdp->data);
rcu_read_lock();
- consumed = mlx5e_xdp_handle(rq, di, va, &rx_headroom, &cqe_bcnt32, true);
+ consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp);
rcu_read_unlock();
/* Possible flows:
@@ -145,7 +79,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
/* XDP_PASS: copy the data from the UMEM to a new SKB and reuse the
* frame. On SKB allocation failure, NULL is returned.
*/
- return mlx5e_xsk_construct_skb(rq, data, cqe_bcnt32);
+ return mlx5e_xsk_construct_skb(rq, xdp->data, cqe_bcnt32);
}
struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
@@ -153,25 +87,20 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
struct mlx5e_wqe_frag_info *wi,
u32 cqe_bcnt)
{
- struct mlx5e_dma_info *di = wi->di;
- u16 rx_headroom = rq->buff.headroom - rq->buff.umem_headroom;
- void *va, *data;
+ struct xdp_buff *xdp = wi->di->xsk;
bool consumed;
- u32 frag_size;
- /* wi->offset is not used in this function, because di->xsk.data and
- * di->addr point directly to the necessary place. Furthermore, in the
- * current implementation, one page = one packet = one frame, so
+ /* wi->offset is not used in this function, because xdp->data and the
+ * DMA address point directly to the necessary place. Furthermore, the
+ * XSK allocator allocates frames per packet, instead of pages, so
* wi->offset should always be 0.
*/
WARN_ON_ONCE(wi->offset);
- va = di->xsk.data;
- data = va + rx_headroom;
- frag_size = rq->buff.headroom + cqe_bcnt;
-
- dma_sync_single_for_cpu(rq->pdev, di->addr, frag_size, DMA_BIDIRECTIONAL);
- prefetch(data);
+ xdp->data_end = xdp->data + cqe_bcnt;
+ xdp_set_data_meta_invalid(xdp);
+ xsk_buff_dma_sync_for_cpu(xdp);
+ prefetch(xdp->data);
if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_RESP_SEND)) {
rq->stats->wqe_err++;
@@ -179,7 +108,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
}
rcu_read_lock();
- consumed = mlx5e_xdp_handle(rq, di, va, &rx_headroom, &cqe_bcnt, true);
+ consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt, xdp);
rcu_read_unlock();
if (likely(consumed))
@@ -189,5 +118,5 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
* will be handled by mlx5e_put_rx_frag.
* On SKB allocation failure, NULL is returned.
*/
- return mlx5e_xsk_construct_skb(rq, data, cqe_bcnt);
+ return mlx5e_xsk_construct_skb(rq, xdp->data, cqe_bcnt);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
index cab0e93497ae..d147b2f13b54 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.h
@@ -5,16 +5,10 @@
#define __MLX5_EN_XSK_RX_H__
#include "en.h"
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
/* RX data path */
-bool mlx5e_xsk_pages_enough_umem(struct mlx5e_rq *rq, int count);
-int mlx5e_xsk_page_alloc_umem(struct mlx5e_rq *rq,
- struct mlx5e_dma_info *dma_info);
-void mlx5e_xsk_page_release(struct mlx5e_rq *rq,
- struct mlx5e_dma_info *dma_info);
-void mlx5e_xsk_zca_free(struct zero_copy_allocator *zca, unsigned long handle);
struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq,
struct mlx5e_mpw_info *wi,
u16 cqe_bcnt,
@@ -25,6 +19,23 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq,
struct mlx5e_wqe_frag_info *wi,
u32 cqe_bcnt);
+static inline int mlx5e_xsk_page_alloc_umem(struct mlx5e_rq *rq,
+ struct mlx5e_dma_info *dma_info)
+{
+ dma_info->xsk = xsk_buff_alloc(rq->umem);
+ if (!dma_info->xsk)
+ return -ENOMEM;
+
+ /* Store the DMA address without headroom. In striding RQ case, we just
+ * provide pages for UMR, and headroom is counted at the setup stage
+ * when creating a WQE. In non-striding RQ case, headroom is accounted
+ * in mlx5e_alloc_rx_wqe.
+ */
+ dma_info->addr = xsk_buff_xdp_get_frame_dma(dma_info->xsk);
+
+ return 0;
+}
+
static inline bool mlx5e_xsk_update_rx_wakeup(struct mlx5e_rq *rq, bool alloc_err)
{
if (!xsk_umem_uses_need_wakeup(rq->umem))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
index fe2d596cb361..83dce9cdb8c2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.c
@@ -5,7 +5,7 @@
#include "umem.h"
#include "en/xdp.h"
#include "en/params.h"
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
int mlx5e_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
{
@@ -33,6 +33,9 @@ int mlx5e_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &c->xskicosq.state)))
return 0;
+ if (test_and_set_bit(MLX5E_SQ_STATE_PENDING_XSK_TX, &c->xskicosq.state))
+ return 0;
+
spin_lock(&c->xskicosq_lock);
mlx5e_trigger_irq(&c->xskicosq);
spin_unlock(&c->xskicosq_lock);
@@ -89,12 +92,11 @@ bool mlx5e_xsk_tx(struct mlx5e_xdpsq *sq, unsigned int budget)
break;
}
- xdptxd.dma_addr = xdp_umem_get_dma(umem, desc.addr);
- xdptxd.data = xdp_umem_get_data(umem, desc.addr);
+ xdptxd.dma_addr = xsk_buff_raw_get_dma(umem, desc.addr);
+ xdptxd.data = xsk_buff_raw_get_data(umem, desc.addr);
xdptxd.len = desc.len;
- dma_sync_single_for_device(sq->pdev, xdptxd.dma_addr,
- xdptxd.len, DMA_BIDIRECTIONAL);
+ xsk_buff_raw_dma_sync_for_device(umem, xdptxd.dma_addr, xdptxd.len);
if (unlikely(!sq->xmit_xdp_frame(sq, &xdptxd, &xdpi, check_result))) {
if (sq->mpwqe.wqe)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
index 79b487d89757..39fa0a705856 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/tx.h
@@ -5,7 +5,7 @@
#define __MLX5_EN_XSK_TX_H__
#include "en.h"
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
/* TX data path */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
index 4baaa5788320..7b17fcd0a56d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/umem.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2019 Mellanox Technologies. */
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include "umem.h"
#include "setup.h"
#include "en/params.h"
@@ -10,40 +10,14 @@ static int mlx5e_xsk_map_umem(struct mlx5e_priv *priv,
struct xdp_umem *umem)
{
struct device *dev = priv->mdev->device;
- u32 i;
- for (i = 0; i < umem->npgs; i++) {
- dma_addr_t dma = dma_map_page(dev, umem->pgs[i], 0, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
-
- if (unlikely(dma_mapping_error(dev, dma)))
- goto err_unmap;
- umem->pages[i].dma = dma;
- }
-
- return 0;
-
-err_unmap:
- while (i--) {
- dma_unmap_page(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
- umem->pages[i].dma = 0;
- }
-
- return -ENOMEM;
+ return xsk_buff_dma_map(umem, dev, 0);
}
static void mlx5e_xsk_unmap_umem(struct mlx5e_priv *priv,
struct xdp_umem *umem)
{
- struct device *dev = priv->mdev->device;
- u32 i;
-
- for (i = 0; i < umem->npgs; i++) {
- dma_unmap_page(dev, umem->pages[i].dma, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
- umem->pages[i].dma = 0;
- }
+ return xsk_buff_dma_unmap(umem, 0);
}
static int mlx5e_xsk_get_umems(struct mlx5e_xsk *xsk)
@@ -90,13 +64,14 @@ static void mlx5e_xsk_remove_umem(struct mlx5e_xsk *xsk, u16 ix)
static bool mlx5e_xsk_is_umem_sane(struct xdp_umem *umem)
{
- return umem->headroom <= 0xffff && umem->chunk_size_nohr <= 0xffff;
+ return xsk_umem_get_headroom(umem) <= 0xffff &&
+ xsk_umem_get_chunk_size(umem) <= 0xffff;
}
void mlx5e_build_xsk_param(struct xdp_umem *umem, struct mlx5e_xsk_param *xsk)
{
- xsk->headroom = umem->headroom;
- xsk->chunk_size = umem->chunk_size_nohr + umem->headroom;
+ xsk->headroom = xsk_umem_get_headroom(umem);
+ xsk->chunk_size = xsk_umem_get_chunk_size(umem);
}
static int mlx5e_xsk_enable_locked(struct mlx5e_priv *priv,
@@ -241,18 +216,6 @@ int mlx5e_xsk_setup_umem(struct net_device *dev, struct xdp_umem *umem, u16 qid)
mlx5e_xsk_disable_umem(priv, ix);
}
-int mlx5e_xsk_resize_reuseq(struct xdp_umem *umem, u32 nentries)
-{
- struct xdp_umem_fq_reuse *reuseq;
-
- reuseq = xsk_reuseq_prepare(nentries);
- if (unlikely(!reuseq))
- return -ENOMEM;
- xsk_reuseq_free(xsk_reuseq_swap(umem, reuseq));
-
- return 0;
-}
-
u16 mlx5e_xsk_first_unused_channel(struct mlx5e_params *params, struct mlx5e_xsk *xsk)
{
u16 res = xsk->refcnt ? params->num_channels : 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
index 3022463f2284..fac145dcf2ce 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
@@ -42,6 +42,8 @@
#include "en/txrx.h"
#if IS_ENABLED(CONFIG_GENEVE)
+#include <net/geneve.h>
+
static inline bool mlx5_geneve_tx_allowed(struct mlx5_core_dev *mdev)
{
return mlx5_tx_swp_supported(mdev);
@@ -100,33 +102,49 @@ mlx5e_udp_gso_handle_tx_skb(struct sk_buff *skb)
udp_hdr(skb)->len = htons(payload_len);
}
-static inline struct sk_buff *
-mlx5e_accel_handle_tx(struct sk_buff *skb,
- struct mlx5e_txqsq *sq,
- struct net_device *dev,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi)
+struct mlx5e_accel_tx_state {
+#ifdef CONFIG_MLX5_EN_TLS
+ struct mlx5e_accel_tx_tls_state tls;
+#endif
+};
+
+static inline bool mlx5e_accel_tx_begin(struct net_device *dev,
+ struct mlx5e_txqsq *sq,
+ struct sk_buff *skb,
+ struct mlx5e_accel_tx_state *state)
{
+ if (skb_is_gso(skb) && skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4)
+ mlx5e_udp_gso_handle_tx_skb(skb);
+
#ifdef CONFIG_MLX5_EN_TLS
if (test_bit(MLX5E_SQ_STATE_TLS, &sq->state)) {
- skb = mlx5e_tls_handle_tx_skb(dev, sq, skb, wqe, pi);
- if (unlikely(!skb))
- return NULL;
+ /* May send SKBs and WQEs. */
+ if (unlikely(!mlx5e_tls_handle_tx_skb(dev, sq, skb, &state->tls)))
+ return false;
}
#endif
+ return true;
+}
+
+static inline bool mlx5e_accel_tx_finish(struct mlx5e_priv *priv,
+ struct mlx5e_txqsq *sq,
+ struct sk_buff *skb,
+ struct mlx5e_tx_wqe *wqe,
+ struct mlx5e_accel_tx_state *state)
+{
+#ifdef CONFIG_MLX5_EN_TLS
+ mlx5e_tls_handle_tx_wqe(sq, &wqe->ctrl, &state->tls);
+#endif
+
#ifdef CONFIG_MLX5_EN_IPSEC
if (test_bit(MLX5E_SQ_STATE_IPSEC, &sq->state)) {
- skb = mlx5e_ipsec_handle_tx_skb(dev, *wqe, skb);
- if (unlikely(!skb))
- return NULL;
+ if (unlikely(!mlx5e_ipsec_handle_tx_skb(priv, &wqe->eth, skb)))
+ return false;
}
#endif
- if (skb_is_gso(skb) && skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4)
- mlx5e_udp_gso_handle_tx_skb(skb);
-
- return skb;
+ return true;
}
#endif /* __MLX5E_EN_ACCEL_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 29626c6c9c25..92eb3bad4acd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -75,18 +75,23 @@ struct xfrm_state *mlx5e_ipsec_sadb_rx_lookup(struct mlx5e_ipsec *ipsec,
return ret;
}
-static int mlx5e_ipsec_sadb_rx_add(struct mlx5e_ipsec_sa_entry *sa_entry)
+static int mlx5e_ipsec_sadb_rx_add(struct mlx5e_ipsec_sa_entry *sa_entry,
+ unsigned int handle)
{
struct mlx5e_ipsec *ipsec = sa_entry->ipsec;
+ struct mlx5e_ipsec_sa_entry *_sa_entry;
unsigned long flags;
- int ret;
- ret = ida_simple_get(&ipsec->halloc, 1, 0, GFP_KERNEL);
- if (ret < 0)
- return ret;
+ rcu_read_lock();
+ hash_for_each_possible_rcu(ipsec->sadb_rx, _sa_entry, hlist, handle)
+ if (_sa_entry->handle == handle) {
+ rcu_read_unlock();
+ return -EEXIST;
+ }
+ rcu_read_unlock();
spin_lock_irqsave(&ipsec->sadb_rx_lock, flags);
- sa_entry->handle = ret;
+ sa_entry->handle = handle;
hash_add_rcu(ipsec->sadb_rx, &sa_entry->hlist, sa_entry->handle);
spin_unlock_irqrestore(&ipsec->sadb_rx_lock, flags);
@@ -103,15 +108,6 @@ static void mlx5e_ipsec_sadb_rx_del(struct mlx5e_ipsec_sa_entry *sa_entry)
spin_unlock_irqrestore(&ipsec->sadb_rx_lock, flags);
}
-static void mlx5e_ipsec_sadb_rx_free(struct mlx5e_ipsec_sa_entry *sa_entry)
-{
- struct mlx5e_ipsec *ipsec = sa_entry->ipsec;
-
- /* xfrm already doing sync rcu between del and free callbacks */
-
- ida_simple_remove(&ipsec->halloc, sa_entry->handle);
-}
-
static bool mlx5e_ipsec_update_esn_state(struct mlx5e_ipsec_sa_entry *sa_entry)
{
struct xfrm_replay_state_esn *replay_esn;
@@ -199,6 +195,14 @@ mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry,
attrs->flags |= (x->props.mode == XFRM_MODE_TRANSPORT) ?
MLX5_ACCEL_ESP_FLAGS_TRANSPORT :
MLX5_ACCEL_ESP_FLAGS_TUNNEL;
+
+ /* spi */
+ attrs->spi = x->id.spi;
+
+ /* source , destination ips */
+ memcpy(&attrs->saddr, x->props.saddr.a6, sizeof(attrs->saddr));
+ memcpy(&attrs->daddr, x->id.daddr.a6, sizeof(attrs->daddr));
+ attrs->is_ipv6 = (x->props.family != AF_INET);
}
static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
@@ -284,8 +288,7 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
struct net_device *netdev = x->xso.dev;
struct mlx5_accel_esp_xfrm_attrs attrs;
struct mlx5e_priv *priv;
- __be32 saddr[4] = {0}, daddr[4] = {0}, spi;
- bool is_ipv6 = false;
+ unsigned int sa_handle;
int err;
priv = netdev_priv(netdev);
@@ -303,20 +306,6 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
sa_entry->x = x;
sa_entry->ipsec = priv->ipsec;
- /* Add the SA to handle processed incoming packets before the add SA
- * completion was received
- */
- if (x->xso.flags & XFRM_OFFLOAD_INBOUND) {
- err = mlx5e_ipsec_sadb_rx_add(sa_entry);
- if (err) {
- netdev_info(netdev, "Failed adding to SADB_RX: %d\n", err);
- goto err_entry;
- }
- } else {
- sa_entry->set_iv_op = (x->props.flags & XFRM_STATE_ESN) ?
- mlx5e_ipsec_set_iv_esn : mlx5e_ipsec_set_iv;
- }
-
/* check esn */
mlx5e_ipsec_update_esn_state(sa_entry);
@@ -327,41 +316,38 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA);
if (IS_ERR(sa_entry->xfrm)) {
err = PTR_ERR(sa_entry->xfrm);
- goto err_sadb_rx;
+ goto err_sa_entry;
}
/* create hw context */
- if (x->props.family == AF_INET) {
- saddr[3] = x->props.saddr.a4;
- daddr[3] = x->id.daddr.a4;
- } else {
- memcpy(saddr, x->props.saddr.a6, sizeof(saddr));
- memcpy(daddr, x->id.daddr.a6, sizeof(daddr));
- is_ipv6 = true;
- }
- spi = x->id.spi;
sa_entry->hw_context =
mlx5_accel_esp_create_hw_context(priv->mdev,
sa_entry->xfrm,
- saddr, daddr, spi,
- is_ipv6);
+ &sa_handle);
if (IS_ERR(sa_entry->hw_context)) {
err = PTR_ERR(sa_entry->hw_context);
goto err_xfrm;
}
+ if (x->xso.flags & XFRM_OFFLOAD_INBOUND) {
+ err = mlx5e_ipsec_sadb_rx_add(sa_entry, sa_handle);
+ if (err)
+ goto err_hw_ctx;
+ } else {
+ sa_entry->set_iv_op = (x->props.flags & XFRM_STATE_ESN) ?
+ mlx5e_ipsec_set_iv_esn : mlx5e_ipsec_set_iv;
+ }
+
x->xso.offload_handle = (unsigned long)sa_entry;
goto out;
+err_hw_ctx:
+ mlx5_accel_esp_free_hw_context(sa_entry->hw_context);
err_xfrm:
mlx5_accel_esp_destroy_xfrm(sa_entry->xfrm);
-err_sadb_rx:
- if (x->xso.flags & XFRM_OFFLOAD_INBOUND) {
- mlx5e_ipsec_sadb_rx_del(sa_entry);
- mlx5e_ipsec_sadb_rx_free(sa_entry);
- }
-err_entry:
+err_sa_entry:
kfree(sa_entry);
+
out:
return err;
}
@@ -390,9 +376,6 @@ static void mlx5e_xfrm_free_state(struct xfrm_state *x)
mlx5_accel_esp_destroy_xfrm(sa_entry->xfrm);
}
- if (x->xso.flags & XFRM_OFFLOAD_INBOUND)
- mlx5e_ipsec_sadb_rx_free(sa_entry);
-
kfree(sa_entry);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 93bf10e6508c..c85151a1e008 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -109,11 +109,6 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv);
void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv);
void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
-int mlx5e_ipsec_get_count(struct mlx5e_priv *priv);
-int mlx5e_ipsec_get_strings(struct mlx5e_priv *priv, uint8_t *data);
-void mlx5e_ipsec_update_stats(struct mlx5e_priv *priv);
-int mlx5e_ipsec_get_stats(struct mlx5e_priv *priv, u64 *data);
-
struct xfrm_state *mlx5e_ipsec_sadb_rx_lookup(struct mlx5e_ipsec *dev,
unsigned int handle);
@@ -136,26 +131,6 @@ static inline void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
{
}
-static inline int mlx5e_ipsec_get_count(struct mlx5e_priv *priv)
-{
- return 0;
-}
-
-static inline int mlx5e_ipsec_get_strings(struct mlx5e_priv *priv,
- uint8_t *data)
-{
- return 0;
-}
-
-static inline void mlx5e_ipsec_update_stats(struct mlx5e_priv *priv)
-{
-}
-
-static inline int mlx5e_ipsec_get_stats(struct mlx5e_priv *priv, u64 *data)
-{
- return 0;
-}
-
#endif
#endif /* __MLX5E_IPSEC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index 0dd17514caae..824b87ac8f9e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
@@ -233,11 +233,10 @@ static void mlx5e_ipsec_set_metadata(struct sk_buff *skb,
ntohs(mdata->content.tx.seq));
}
-struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_tx_wqe *wqe,
- struct sk_buff *skb)
+bool mlx5e_ipsec_handle_tx_skb(struct mlx5e_priv *priv,
+ struct mlx5_wqe_eth_seg *eseg,
+ struct sk_buff *skb)
{
- struct mlx5e_priv *priv = netdev_priv(netdev);
struct xfrm_offload *xo = xfrm_offload(skb);
struct mlx5e_ipsec_metadata *mdata;
struct mlx5e_ipsec_sa_entry *sa_entry;
@@ -245,7 +244,7 @@ struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
struct sec_path *sp;
if (!xo)
- return skb;
+ return true;
sp = skb_sec_path(skb);
if (unlikely(sp->len != 1)) {
@@ -276,16 +275,16 @@ struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
atomic64_inc(&priv->ipsec->sw_stats.ipsec_tx_drop_metadata);
goto drop;
}
- mlx5e_ipsec_set_swp(skb, &wqe->eth, x->props.mode, xo);
+ mlx5e_ipsec_set_swp(skb, eseg, x->props.mode, xo);
sa_entry = (struct mlx5e_ipsec_sa_entry *)x->xso.offload_handle;
sa_entry->set_iv_op(skb, x, xo);
mlx5e_ipsec_set_metadata(skb, mdata, xo);
- return skb;
+ return true;
drop:
kfree_skb(skb);
- return NULL;
+ return false;
}
static inline struct xfrm_state *
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
index db84500b024f..ba02643586a5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
@@ -52,9 +52,9 @@ void mlx5e_ipsec_set_iv_esn(struct sk_buff *skb, struct xfrm_state *x,
struct xfrm_offload *xo);
void mlx5e_ipsec_set_iv(struct sk_buff *skb, struct xfrm_state *x,
struct xfrm_offload *xo);
-struct sk_buff *mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_tx_wqe *wqe,
- struct sk_buff *skb);
+bool mlx5e_ipsec_handle_tx_skb(struct mlx5e_priv *priv,
+ struct mlx5_wqe_eth_seg *eseg,
+ struct sk_buff *skb);
#endif /* CONFIG_MLX5_EN_IPSEC */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
index 6fea59223dc4..6c5c54bcd9be 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
@@ -38,6 +38,7 @@
#include "accel/ipsec.h"
#include "fpga/sdk.h"
#include "en_accel/ipsec.h"
+#include "fpga/ipsec.h"
static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_in_packets) },
@@ -73,61 +74,74 @@ static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
#define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc)
#define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc)
-#define NUM_IPSEC_COUNTERS (NUM_IPSEC_HW_COUNTERS + NUM_IPSEC_SW_COUNTERS)
-
-int mlx5e_ipsec_get_count(struct mlx5e_priv *priv)
+static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
{
- if (!priv->ipsec)
- return 0;
-
- return NUM_IPSEC_COUNTERS;
+ return NUM_IPSEC_SW_COUNTERS;
}
-int mlx5e_ipsec_get_strings(struct mlx5e_priv *priv, uint8_t *data)
-{
- unsigned int i, idx = 0;
+static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_sw) {}
- if (!priv->ipsec)
- return 0;
+static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_sw)
+{
+ unsigned int i;
- for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- mlx5e_ipsec_hw_stats_desc[i].format);
+ if (priv->ipsec)
+ for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ mlx5e_ipsec_sw_stats_desc[i].format);
+ return idx;
+}
- for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- mlx5e_ipsec_sw_stats_desc[i].format);
+static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
+{
+ int i;
- return NUM_IPSEC_COUNTERS;
+ if (priv->ipsec)
+ for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
+ data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->sw_stats,
+ mlx5e_ipsec_sw_stats_desc, i);
+ return idx;
}
-void mlx5e_ipsec_update_stats(struct mlx5e_priv *priv)
+static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
{
- int ret;
+ return (mlx5_fpga_ipsec_device_caps(priv->mdev)) ? NUM_IPSEC_HW_COUNTERS : 0;
+}
- if (!priv->ipsec)
- return;
+static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw)
+{
+ int ret = 0;
- ret = mlx5_accel_ipsec_counters_read(priv->mdev, (u64 *)&priv->ipsec->stats,
- NUM_IPSEC_HW_COUNTERS);
+ if (priv->ipsec)
+ ret = mlx5_accel_ipsec_counters_read(priv->mdev, (u64 *)&priv->ipsec->stats,
+ NUM_IPSEC_HW_COUNTERS);
if (ret)
memset(&priv->ipsec->stats, 0, sizeof(priv->ipsec->stats));
}
-int mlx5e_ipsec_get_stats(struct mlx5e_priv *priv, u64 *data)
+static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
{
- int i, idx = 0;
-
- if (!priv->ipsec)
- return 0;
+ unsigned int i;
- for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
- data[idx++] = MLX5E_READ_CTR64_CPU(&priv->ipsec->stats,
- mlx5e_ipsec_hw_stats_desc, i);
+ if (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev))
+ for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
+ strcpy(data + (idx++) * ETH_GSTRING_LEN,
+ mlx5e_ipsec_hw_stats_desc[i].format);
- for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
- data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->sw_stats,
- mlx5e_ipsec_sw_stats_desc, i);
+ return idx;
+}
- return NUM_IPSEC_COUNTERS;
+static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
+{
+ int i;
+
+ if (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev))
+ for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
+ data[idx++] = MLX5E_READ_CTR64_CPU(&priv->ipsec->stats,
+ mlx5e_ipsec_hw_stats_desc,
+ i);
+ return idx;
}
+
+MLX5E_DEFINE_STATS_GRP(ipsec_sw, 0);
+MLX5E_DEFINE_STATS_GRP(ipsec_hw, 0);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
index 46725cd743a3..452fcf59c36b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
@@ -4,6 +4,19 @@
#include "en.h"
#include "en_accel/ktls.h"
+u16 mlx5e_ktls_get_stop_room(struct mlx5e_txqsq *sq)
+{
+ u16 num_dumps, stop_room = 0;
+
+ num_dumps = mlx5e_ktls_dumps_num_wqes(sq, MAX_SKB_FRAGS, TLS_MAX_PAYLOAD_SIZE);
+
+ stop_room += mlx5e_stop_room_for_wqe(MLX5E_KTLS_STATIC_WQEBBS);
+ stop_room += mlx5e_stop_room_for_wqe(MLX5E_KTLS_PROGRESS_WQEBBS);
+ stop_room += num_dumps * mlx5e_stop_room_for_wqe(MLX5E_KTLS_DUMP_WQEBBS);
+
+ return stop_room;
+}
+
static int mlx5e_ktls_create_tis(struct mlx5_core_dev *mdev, u32 *tisn)
{
u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {};
@@ -69,8 +82,8 @@ static void mlx5e_ktls_del(struct net_device *netdev,
struct mlx5e_ktls_offload_context_tx *tx_priv =
mlx5e_get_ktls_tx_priv_ctx(tls_ctx);
- mlx5_ktls_destroy_key(priv->mdev, tx_priv->key_id);
mlx5e_destroy_tis(priv->mdev, tx_priv->tisn);
+ mlx5_ktls_destroy_key(priv->mdev, tx_priv->key_id);
kvfree(tx_priv);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
index 63116be6b1d6..c6180892cfcb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
@@ -9,6 +9,7 @@
#ifdef CONFIG_MLX5_EN_TLS
#include <net/tls.h>
#include "accel/tls.h"
+#include "en_accel/tls_rxtx.h"
#define MLX5E_KTLS_STATIC_UMR_WQE_SZ \
(offsetof(struct mlx5e_umr_wqe, tls_static_params_ctx) + \
@@ -27,6 +28,14 @@ struct mlx5e_dump_wqe {
struct mlx5_wqe_data_seg data;
};
+#define MLX5E_TLS_FETCH_UMR_WQE(sq, pi) \
+ ((struct mlx5e_umr_wqe *)mlx5e_fetch_wqe(&(sq)->wq, pi, MLX5E_KTLS_STATIC_UMR_WQE_SZ))
+#define MLX5E_TLS_FETCH_PROGRESS_WQE(sq, pi) \
+ ((struct mlx5e_tx_wqe *)mlx5e_fetch_wqe(&(sq)->wq, pi, MLX5E_KTLS_PROGRESS_WQE_SZ))
+#define MLX5E_TLS_FETCH_DUMP_WQE(sq, pi) \
+ ((struct mlx5e_dump_wqe *)mlx5e_fetch_wqe(&(sq)->wq, pi, \
+ sizeof(struct mlx5e_dump_wqe)))
+
#define MLX5E_KTLS_DUMP_WQEBBS \
(DIV_ROUND_UP(sizeof(struct mlx5e_dump_wqe), MLX5_SEND_WQE_BB))
@@ -87,22 +96,22 @@ mlx5e_get_ktls_tx_priv_ctx(struct tls_context *tls_ctx)
void mlx5e_ktls_build_netdev(struct mlx5e_priv *priv);
void mlx5e_ktls_tx_offload_set_pending(struct mlx5e_ktls_offload_context_tx *priv_tx);
-struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_txqsq *sq,
- struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe, u16 *pi);
+bool mlx5e_ktls_handle_tx_skb(struct tls_context *tls_ctx, struct mlx5e_txqsq *sq,
+ struct sk_buff *skb, int datalen,
+ struct mlx5e_accel_tx_tls_state *state);
void mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq,
struct mlx5e_tx_wqe_info *wi,
u32 *dma_fifo_cc);
+u16 mlx5e_ktls_get_stop_room(struct mlx5e_txqsq *sq);
+
static inline u8
-mlx5e_ktls_dumps_num_wqebbs(struct mlx5e_txqsq *sq, unsigned int nfrags,
- unsigned int sync_len)
+mlx5e_ktls_dumps_num_wqes(struct mlx5e_txqsq *sq, unsigned int nfrags,
+ unsigned int sync_len)
{
/* Given the MTU and sync_len, calculates an upper bound for the
- * number of WQEBBs needed for the TX resync DUMP WQEs of a record.
+ * number of DUMP WQEs needed for the TX resync of a record.
*/
- return MLX5E_KTLS_DUMP_WQEBBS *
- (nfrags + DIV_ROUND_UP(sync_len, sq->hw_mtu));
+ return nfrags + DIV_ROUND_UP(sync_len, sq->hw_mtu);
}
#else
@@ -114,7 +123,6 @@ static inline void
mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq,
struct mlx5e_tx_wqe_info *wi,
u32 *dma_fifo_cc) {}
-
#endif
#endif /* __MLX5E_TLS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 52a56622034a..3cd78d9503c1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -108,10 +108,11 @@ static void tx_fill_wi(struct mlx5e_txqsq *sq,
{
struct mlx5e_tx_wqe_info *wi = &sq->db.wqe_info[pi];
- memset(wi, 0, sizeof(*wi));
- wi->num_wqebbs = num_wqebbs;
- wi->num_bytes = num_bytes;
- wi->resync_dump_frag_page = page;
+ *wi = (struct mlx5e_tx_wqe_info) {
+ .num_wqebbs = num_wqebbs,
+ .num_bytes = num_bytes,
+ .resync_dump_frag_page = page,
+ };
}
void mlx5e_ktls_tx_offload_set_pending(struct mlx5e_ktls_offload_context_tx *priv_tx)
@@ -134,13 +135,14 @@ post_static_params(struct mlx5e_txqsq *sq,
struct mlx5e_ktls_offload_context_tx *priv_tx,
bool fence)
{
+ u16 pi, num_wqebbs = MLX5E_KTLS_STATIC_WQEBBS;
struct mlx5e_umr_wqe *umr_wqe;
- u16 pi;
- umr_wqe = mlx5e_sq_fetch_wqe(sq, MLX5E_KTLS_STATIC_UMR_WQE_SZ, &pi);
+ pi = mlx5e_txqsq_get_next_pi(sq, num_wqebbs);
+ umr_wqe = MLX5E_TLS_FETCH_UMR_WQE(sq, pi);
build_static_params(umr_wqe, sq->pc, sq->sqn, priv_tx, fence);
- tx_fill_wi(sq, pi, MLX5E_KTLS_STATIC_WQEBBS, 0, NULL);
- sq->pc += MLX5E_KTLS_STATIC_WQEBBS;
+ tx_fill_wi(sq, pi, num_wqebbs, 0, NULL);
+ sq->pc += num_wqebbs;
}
static void
@@ -148,13 +150,14 @@ post_progress_params(struct mlx5e_txqsq *sq,
struct mlx5e_ktls_offload_context_tx *priv_tx,
bool fence)
{
+ u16 pi, num_wqebbs = MLX5E_KTLS_PROGRESS_WQEBBS;
struct mlx5e_tx_wqe *wqe;
- u16 pi;
- wqe = mlx5e_sq_fetch_wqe(sq, MLX5E_KTLS_PROGRESS_WQE_SZ, &pi);
+ pi = mlx5e_txqsq_get_next_pi(sq, num_wqebbs);
+ wqe = MLX5E_TLS_FETCH_PROGRESS_WQE(sq, pi);
build_progress_params(wqe, sq->pc, sq->sqn, priv_tx, fence);
- tx_fill_wi(sq, pi, MLX5E_KTLS_PROGRESS_WQEBBS, 0, NULL);
- sq->pc += MLX5E_KTLS_PROGRESS_WQEBBS;
+ tx_fill_wi(sq, pi, num_wqebbs, 0, NULL);
+ sq->pc += num_wqebbs;
}
static void
@@ -163,14 +166,6 @@ mlx5e_ktls_tx_post_param_wqes(struct mlx5e_txqsq *sq,
bool skip_static_post, bool fence_first_post)
{
bool progress_fence = skip_static_post || !fence_first_post;
- struct mlx5_wq_cyc *wq = &sq->wq;
- u16 contig_wqebbs_room, pi;
-
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
- if (unlikely(contig_wqebbs_room <
- MLX5E_KTLS_STATIC_WQEBBS + MLX5E_KTLS_PROGRESS_WQEBBS))
- mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
if (!skip_static_post)
post_static_params(sq, priv_tx, fence_first_post);
@@ -278,7 +273,9 @@ tx_post_resync_dump(struct mlx5e_txqsq *sq, skb_frag_t *frag, u32 tisn, bool fir
int fsz;
u16 pi;
- wqe = mlx5e_sq_fetch_wqe(sq, sizeof(*wqe), &pi);
+ BUILD_BUG_ON(MLX5E_KTLS_DUMP_WQEBBS != 1);
+ pi = mlx5_wq_cyc_ctr2ix(&sq->wq, sq->pc);
+ wqe = MLX5E_TLS_FETCH_DUMP_WQE(sq, pi);
ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS;
@@ -343,11 +340,8 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx,
u32 seq)
{
struct mlx5e_sq_stats *stats = sq->stats;
- struct mlx5_wq_cyc *wq = &sq->wq;
enum mlx5e_ktls_sync_retval ret;
struct tx_sync_info info = {};
- u16 contig_wqebbs_room, pi;
- u8 num_wqebbs;
int i = 0;
ret = tx_sync_info_get(priv_tx, seq, datalen, &info);
@@ -376,13 +370,6 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx,
return MLX5E_KTLS_SYNC_DONE;
}
- num_wqebbs = mlx5e_ktls_dumps_num_wqebbs(sq, info.nr_frags, info.sync_len);
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
-
- if (unlikely(contig_wqebbs_room < num_wqebbs))
- mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
-
for (; i < info.nr_frags; i++) {
unsigned int orig_fsz, frag_offset = 0, n = 0;
skb_frag_t *f = &info.frags[i];
@@ -422,34 +409,18 @@ err_out:
return MLX5E_KTLS_SYNC_FAIL;
}
-struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_txqsq *sq,
- struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe, u16 *pi)
+bool mlx5e_ktls_handle_tx_skb(struct tls_context *tls_ctx, struct mlx5e_txqsq *sq,
+ struct sk_buff *skb, int datalen,
+ struct mlx5e_accel_tx_tls_state *state)
{
struct mlx5e_ktls_offload_context_tx *priv_tx;
struct mlx5e_sq_stats *stats = sq->stats;
- struct mlx5_wqe_ctrl_seg *cseg;
- struct tls_context *tls_ctx;
- int datalen;
u32 seq;
- if (!skb->sk || !tls_is_sk_tx_device_offloaded(skb->sk))
- goto out;
-
- datalen = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb));
- if (!datalen)
- goto out;
-
- tls_ctx = tls_get_ctx(skb->sk);
- if (WARN_ON_ONCE(tls_ctx->netdev != netdev))
- goto err_out;
-
priv_tx = mlx5e_get_ktls_tx_priv_ctx(tls_ctx);
if (unlikely(mlx5e_ktls_tx_offload_test_and_clear_pending(priv_tx))) {
mlx5e_ktls_tx_post_param_wqes(sq, priv_tx, false, false);
- *wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi);
stats->tls_ctx++;
}
@@ -460,30 +431,28 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev,
switch (ret) {
case MLX5E_KTLS_SYNC_DONE:
- *wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi);
break;
case MLX5E_KTLS_SYNC_SKIP_NO_DATA:
if (likely(!skb->decrypted))
goto out;
WARN_ON_ONCE(1);
/* fall-through */
- default: /* MLX5E_KTLS_SYNC_FAIL */
+ case MLX5E_KTLS_SYNC_FAIL:
goto err_out;
}
}
priv_tx->expected_seq = seq + datalen;
- cseg = &(*wqe)->ctrl;
- cseg->tisn = cpu_to_be32(priv_tx->tisn << 8);
+ state->tls_tisn = priv_tx->tisn;
stats->tls_encrypted_packets += skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
stats->tls_encrypted_bytes += datalen;
out:
- return skb;
+ return true;
err_out:
dev_kfree_skb_any(skb);
- return NULL;
+ return false;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
index fba561ffe1d4..1fbb5a90cb38 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
@@ -167,7 +167,7 @@ static int mlx5e_tls_resync(struct net_device *netdev, struct sock *sk,
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_tls_offload_context_rx *rx_ctx;
- u64 rcd_sn = *(u64 *)rcd_sn_data;
+ __be64 rcd_sn = *(__be64 *)rcd_sn_data;
if (WARN_ON_ONCE(direction != TLS_OFFLOAD_CTX_DIR_RX))
return -EINVAL;
@@ -240,3 +240,17 @@ void mlx5e_tls_cleanup(struct mlx5e_priv *priv)
kfree(tls);
priv->tls = NULL;
}
+
+u16 mlx5e_tls_get_stop_room(struct mlx5e_txqsq *sq)
+{
+ struct mlx5_core_dev *mdev = sq->channel->mdev;
+
+ if (!mlx5_accel_is_tls_device(mdev))
+ return 0;
+
+ if (MLX5_CAP_GEN(mdev, tls_tx))
+ return mlx5e_ktls_get_stop_room(sq);
+
+ /* Resync SKB. */
+ return mlx5e_stop_room_for_wqe(MLX5_SEND_WQE_MAX_WQEBBS);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
index 9015f3f7792d..9219bdb2786e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
@@ -94,6 +94,8 @@ int mlx5e_tls_get_count(struct mlx5e_priv *priv);
int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data);
int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data);
+u16 mlx5e_tls_get_stop_room(struct mlx5e_txqsq *sq);
+
#else
static inline void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
@@ -108,6 +110,11 @@ static inline int mlx5e_tls_get_count(struct mlx5e_priv *priv) { return 0; }
static inline int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { return 0; }
static inline int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { return 0; }
+static inline u16 mlx5e_tls_get_stop_room(struct mlx5e_txqsq *sq)
+{
+ return 0;
+}
+
#endif
#endif /* __MLX5E_TLS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
index ef1ed15a53b4..05454a843b28 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
@@ -184,18 +184,17 @@ static void mlx5e_tls_complete_sync_skb(struct sk_buff *skb,
nskb->queue_mapping = skb->queue_mapping;
}
-static struct sk_buff *
-mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
- struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi,
- struct mlx5e_tls *tls)
+static bool mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
+ struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5e_tls *tls)
{
u32 tcp_seq = ntohl(tcp_hdr(skb)->seq);
+ struct mlx5e_tx_wqe *wqe;
struct sync_info info;
struct sk_buff *nskb;
int linear_len = 0;
int headln;
+ u16 pi;
int i;
sq->stats->tls_ooo++;
@@ -217,7 +216,7 @@ mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
if (likely(payload <= -info.sync_len))
/* SKB payload doesn't require offload
*/
- return skb;
+ return true;
atomic64_inc(&tls->sw_stats.tx_tls_drop_bypass_required);
goto err_out;
@@ -247,20 +246,19 @@ mlx5e_tls_handle_ooo(struct mlx5e_tls_offload_context_tx *context,
sq->stats->tls_resync_bytes += nskb->len;
mlx5e_tls_complete_sync_skb(skb, nskb, tcp_seq, headln,
cpu_to_be64(info.rcd_sn));
- mlx5e_sq_xmit(sq, nskb, *wqe, *pi, true);
- *wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi);
- return skb;
+ pi = mlx5_wq_cyc_ctr2ix(&sq->wq, sq->pc);
+ wqe = MLX5E_TX_FETCH_WQE(sq, pi);
+ mlx5e_sq_xmit(sq, nskb, wqe, pi, true);
+
+ return true;
err_out:
dev_kfree_skb_any(skb);
- return NULL;
+ return false;
}
-struct sk_buff *mlx5e_tls_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_txqsq *sq,
- struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi)
+bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
+ struct sk_buff *skb, struct mlx5e_accel_tx_tls_state *state)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5e_tls_offload_context_tx *context;
@@ -269,41 +267,45 @@ struct sk_buff *mlx5e_tls_handle_tx_skb(struct net_device *netdev,
int datalen;
u32 skb_seq;
- if (MLX5_CAP_GEN(sq->channel->mdev, tls_tx)) {
- skb = mlx5e_ktls_handle_tx_skb(netdev, sq, skb, wqe, pi);
- goto out;
- }
-
if (!skb->sk || !tls_is_sk_tx_device_offloaded(skb->sk))
- goto out;
+ return true;
datalen = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb));
if (!datalen)
- goto out;
+ return true;
tls_ctx = tls_get_ctx(skb->sk);
- if (unlikely(tls_ctx->netdev != netdev))
- goto out;
+ if (WARN_ON_ONCE(tls_ctx->netdev != netdev))
+ goto err_out;
+
+ if (MLX5_CAP_GEN(sq->channel->mdev, tls_tx))
+ return mlx5e_ktls_handle_tx_skb(tls_ctx, sq, skb, datalen, state);
skb_seq = ntohl(tcp_hdr(skb)->seq);
context = mlx5e_get_tls_tx_context(tls_ctx);
expected_seq = context->expected_seq;
- if (unlikely(expected_seq != skb_seq)) {
- skb = mlx5e_tls_handle_ooo(context, sq, skb, wqe, pi, priv->tls);
- goto out;
- }
+ if (unlikely(expected_seq != skb_seq))
+ return mlx5e_tls_handle_ooo(context, sq, skb, priv->tls);
if (unlikely(mlx5e_tls_add_metadata(skb, context->swid))) {
atomic64_inc(&priv->tls->sw_stats.tx_tls_drop_metadata);
dev_kfree_skb_any(skb);
- skb = NULL;
- goto out;
+ return false;
}
context->expected_seq = skb_seq + datalen;
-out:
- return skb;
+ return true;
+
+err_out:
+ dev_kfree_skb_any(skb);
+ return false;
+}
+
+void mlx5e_tls_handle_tx_wqe(struct mlx5e_txqsq *sq, struct mlx5_wqe_ctrl_seg *cseg,
+ struct mlx5e_accel_tx_tls_state *state)
+{
+ cseg->tisn = cpu_to_be32(state->tls_tisn << 8);
}
static int tls_update_resync_sn(struct net_device *netdev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
index 90bc1f2384c8..a50d0394df0a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
@@ -40,11 +40,14 @@
#include "en.h"
#include "en/txrx.h"
-struct sk_buff *mlx5e_tls_handle_tx_skb(struct net_device *netdev,
- struct mlx5e_txqsq *sq,
- struct sk_buff *skb,
- struct mlx5e_tx_wqe **wqe,
- u16 *pi);
+struct mlx5e_accel_tx_tls_state {
+ u32 tls_tisn;
+};
+
+bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
+ struct sk_buff *skb, struct mlx5e_accel_tx_tls_state *state);
+void mlx5e_tls_handle_tx_wqe(struct mlx5e_txqsq *sq, struct mlx5_wqe_ctrl_seg *cseg,
+ struct mlx5e_accel_tx_tls_state *state);
void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
u32 *cqe_bcnt);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
index f7890e0ce96c..1e42c7ae621b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
@@ -36,12 +36,11 @@
* Global resources are common to all the netdevices crated on the same nic.
*/
-int mlx5e_create_tir(struct mlx5_core_dev *mdev,
- struct mlx5e_tir *tir, u32 *in, int inlen)
+int mlx5e_create_tir(struct mlx5_core_dev *mdev, struct mlx5e_tir *tir, u32 *in)
{
int err;
- err = mlx5_core_create_tir(mdev, in, inlen, &tir->tirn);
+ err = mlx5_core_create_tir(mdev, in, &tir->tirn);
if (err)
return err;
@@ -142,10 +141,12 @@ void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
memset(res, 0, sizeof(*res));
}
-int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb)
+int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb,
+ bool enable_mc_lb)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_tir *tir;
+ u8 lb_flags = 0;
int err = 0;
u32 tirn = 0;
int inlen;
@@ -159,15 +160,20 @@ int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb)
}
if (enable_uc_lb)
- MLX5_SET(modify_tir_in, in, ctx.self_lb_block,
- MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST);
+ lb_flags = MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST;
+
+ if (enable_mc_lb)
+ lb_flags |= MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST;
+
+ if (lb_flags)
+ MLX5_SET(modify_tir_in, in, ctx.self_lb_block, lb_flags);
MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1);
mutex_lock(&mdev->mlx5e_res.td.list_lock);
list_for_each_entry(tir, &mdev->mlx5e_res.td.tirs_list, list) {
tirn = tir->tirn;
- err = mlx5_core_modify_tir(mdev, tirn, in, inlen);
+ err = mlx5_core_modify_tir(mdev, tirn, in);
if (err)
goto out;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 47874d34156b..bc102d094bbd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -35,6 +35,8 @@
#include "en/port.h"
#include "en/port_buffer.h"
+#define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
+
#define MLX5E_100MB (100000)
#define MLX5E_1GB (1000000)
@@ -49,6 +51,12 @@ enum {
MLX5E_LOWEST_PRIO_GROUP = 0,
};
+enum {
+ MLX5_DCB_CHG_RESET,
+ MLX5_DCB_NO_CHG,
+ MLX5_DCB_CHG_NO_RESET,
+};
+
#define MLX5_DSCP_SUPPORTED(mdev) (MLX5_CAP_GEN(mdev, qcam_reg) && \
MLX5_CAP_QCAM_REG(mdev, qpts) && \
MLX5_CAP_QCAM_REG(mdev, qpdpm))
@@ -238,7 +246,7 @@ static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw,
* Report both group #0 and #1 as ETS type.
* All the tcs in group #0 will be reported with 0% BW.
*/
-int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets)
+static int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets)
{
struct mlx5_core_dev *mdev = priv->mdev;
u8 tc_tx_bw[IEEE_8021QAZ_MAX_TCS];
@@ -977,7 +985,7 @@ static int mlx5e_dcbnl_setbuffer(struct net_device *dev,
return err;
}
-const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops = {
+static const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops = {
.ieee_getets = mlx5e_dcbnl_ieee_getets,
.ieee_setets = mlx5e_dcbnl_ieee_setets,
.ieee_getmaxrate = mlx5e_dcbnl_ieee_getmaxrate,
@@ -1009,6 +1017,24 @@ const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops = {
.setpfcstate = mlx5e_dcbnl_setpfcstate,
};
+void mlx5e_dcbnl_build_netdev(struct net_device *netdev)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5_core_dev *mdev = priv->mdev;
+
+ if (MLX5_CAP_GEN(mdev, vport_group_manager) && MLX5_CAP_GEN(mdev, qos))
+ netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
+}
+
+void mlx5e_dcbnl_build_rep_netdev(struct net_device *netdev)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ struct mlx5_core_dev *mdev = priv->mdev;
+
+ if (MLX5_CAP_GEN(mdev, qos))
+ netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
+}
+
static void mlx5e_dcbnl_query_dcbx_mode(struct mlx5e_priv *priv,
enum mlx5_dcbx_oper_mode *mode)
{
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 6d703ddee4e2..3ef2525e8de9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -432,7 +432,7 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
*cur_params = new_channels.params;
- mlx5e_num_channels_changed(priv);
+ err = mlx5e_num_channels_changed(priv);
goto out;
}
@@ -527,8 +527,8 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
struct dim_cq_moder *rx_moder, *tx_moder;
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5e_channels new_channels = {};
+ bool reset_rx, reset_tx;
int err = 0;
- bool reset;
if (!MLX5_CAP_GEN(mdev, cq_moderation))
return -EOPNOTSUPP;
@@ -566,15 +566,28 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
}
/* we are opened */
- reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) ||
- (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled);
+ reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled;
+ reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled;
- if (!reset) {
+ if (!reset_rx && !reset_tx) {
mlx5e_set_priv_channels_coalesce(priv, coal);
priv->channels.params = new_channels.params;
goto out;
}
+ if (reset_rx) {
+ u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
+ MLX5E_PFLAG_RX_CQE_BASED_MODER);
+
+ mlx5e_reset_rx_moderation(&new_channels.params, mode);
+ }
+ if (reset_tx) {
+ u8 mode = MLX5E_GET_PFLAG(&new_channels.params,
+ MLX5E_PFLAG_TX_CQE_BASED_MODER);
+
+ mlx5e_reset_tx_moderation(&new_channels.params, mode);
+ }
+
err = mlx5e_safe_switch_channels(priv, &new_channels, NULL, NULL);
out:
@@ -665,11 +678,12 @@ static const u32 pplm_fec_2_ethtool_linkmodes[] = {
static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
struct ethtool_link_ksettings *link_ksettings)
{
- u_long active_fec = 0;
+ unsigned long active_fec_long;
+ u32 active_fec;
u32 bitn;
int err;
- err = mlx5e_get_fec_mode(dev, (u32 *)&active_fec, NULL);
+ err = mlx5e_get_fec_mode(dev, &active_fec, NULL);
if (err)
return (err == -EOPNOTSUPP) ? 0 : err;
@@ -682,10 +696,11 @@ static int get_fec_supported_advertised(struct mlx5_core_dev *dev,
MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1,
ETHTOOL_LINK_MODE_FEC_LLRS_BIT);
+ active_fec_long = active_fec;
/* active fec is a bit set, find out which bit is set and
* advertise the corresponding ethtool bit
*/
- bitn = find_first_bit(&active_fec, sizeof(u32) * BITS_PER_BYTE);
+ bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE);
if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes))
__set_bit(pplm_fec_2_ethtool_linkmodes[bitn],
link_ksettings->link_modes.advertising);
@@ -1204,7 +1219,7 @@ int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir,
}
if (hash_changed)
- mlx5e_modify_tirs_hash(priv, in, inlen);
+ mlx5e_modify_tirs_hash(priv, in);
mutex_unlock(&priv->state_lock);
@@ -1517,8 +1532,8 @@ static int mlx5e_get_fecparam(struct net_device *netdev,
{
struct mlx5e_priv *priv = netdev_priv(netdev);
struct mlx5_core_dev *mdev = priv->mdev;
- u16 fec_configured = 0;
- u32 fec_active = 0;
+ u16 fec_configured;
+ u32 fec_active;
int err;
err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured);
@@ -1526,14 +1541,14 @@ static int mlx5e_get_fecparam(struct net_device *netdev,
if (err)
return err;
- fecparam->active_fec = pplm2ethtool_fec((u_long)fec_active,
- sizeof(u32) * BITS_PER_BYTE);
+ fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active,
+ sizeof(unsigned long) * BITS_PER_BYTE);
if (!fecparam->active_fec)
return -EOPNOTSUPP;
- fecparam->fec = pplm2ethtool_fec((u_long)fec_configured,
- sizeof(u16) * BITS_PER_BYTE);
+ fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured,
+ sizeof(unsigned long) * BITS_PER_BYTE);
return 0;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
index 3bc2ac3d53fc..83c9b2bbc4af 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
@@ -858,7 +858,7 @@ static int mlx5e_set_rss_hash_opt(struct mlx5e_priv *priv,
goto out;
priv->rss_params.rx_hash_fields[tt] = rx_hash_field;
- mlx5e_modify_tirs_hash(priv, in, inlen);
+ mlx5e_modify_tirs_hash(priv, in);
out:
mutex_unlock(&priv->state_lock);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index f02150a97ac8..a836a02a2116 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -38,7 +38,7 @@
#include <linux/bpf.h>
#include <linux/if_bridge.h>
#include <net/page_pool.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include "eswitch.h"
#include "en.h"
#include "en/txrx.h"
@@ -66,7 +66,6 @@
#include "en/devlink.h"
#include "lib/mlx5.h"
-
bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
{
bool striding_rq_umr = MLX5_CAP_GEN(mdev, striding_rq) &&
@@ -233,7 +232,7 @@ static inline void mlx5e_build_umr_wqe(struct mlx5e_rq *rq,
cseg->qpn_ds = cpu_to_be32((sq->sqn << MLX5_WQE_CTRL_QPN_SHIFT) |
ds_cnt);
cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
- cseg->imm = rq->mkey_be;
+ cseg->umr_mkey = rq->mkey_be;
ucseg->flags = MLX5_UMR_TRANSLATION_OFFSET_EN | MLX5_UMR_INLINE;
ucseg->xlt_octowords =
@@ -374,7 +373,6 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
struct mlx5_core_dev *mdev = c->mdev;
void *rqc = rqp->rqc;
void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
- u32 num_xsk_frames = 0;
u32 rq_xdp_ix;
u32 pool_size;
int wq_sz;
@@ -414,7 +412,6 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE;
rq->buff.headroom = mlx5e_get_rq_headroom(mdev, params, xsk);
- rq->buff.umem_headroom = xsk ? xsk->headroom : 0;
pool_size = 1 << params->log_rq_mtu_frames;
switch (rq->wq_type) {
@@ -428,10 +425,6 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
wq_sz = mlx5_wq_ll_get_size(&rq->mpwqe.wq);
- if (xsk)
- num_xsk_frames = wq_sz <<
- mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk);
-
pool_size = MLX5_MPWRQ_PAGES_PER_WQE <<
mlx5e_mpwqe_get_log_rq_size(params, xsk);
@@ -462,6 +455,8 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
rq->mpwqe.num_strides =
BIT(mlx5e_mpwqe_get_log_num_strides(mdev, params, xsk));
+ rq->buff.frame0_sz = (1 << rq->mpwqe.log_stride_sz);
+
err = mlx5e_create_rq_umr_mkey(mdev, rq);
if (err)
goto err_rq_wq_destroy;
@@ -481,10 +476,9 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
wq_sz = mlx5_wq_cyc_get_size(&rq->wqe.wq);
- if (xsk)
- num_xsk_frames = wq_sz << rq->wqe.info.log_num_frags;
-
rq->wqe.info = rqp->frags_info;
+ rq->buff.frame0_sz = rq->wqe.info.arr[0].frag_stride;
+
rq->wqe.frags =
kvzalloc_node(array_size(sizeof(*rq->wqe.frags),
(wq_sz << rq->wqe.info.log_num_frags)),
@@ -522,17 +516,9 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,
}
if (xsk) {
- err = mlx5e_xsk_resize_reuseq(umem, num_xsk_frames);
- if (unlikely(err)) {
- mlx5_core_err(mdev, "Unable to allocate the Reuse Ring for %u frames\n",
- num_xsk_frames);
- goto err_free;
- }
-
- rq->zca.free = mlx5e_xsk_zca_free;
err = xdp_rxq_info_reg_mem_model(&rq->xdp_rxq,
- MEM_TYPE_ZERO_COPY,
- &rq->zca);
+ MEM_TYPE_XSK_BUFF_POOL, NULL);
+ xsk_buff_set_rxq_info(rq->umem, &rq->xdp_rxq);
} else {
/* Create a page_pool and register it with rxq */
pp_params.order = 0;
@@ -721,7 +707,7 @@ int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, int next_state)
MLX5_SET(modify_rq_in, in, rq_state, curr_state);
MLX5_SET(rqc, rqc, state, next_state);
- err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen);
+ err = mlx5_core_modify_rq(mdev, rq->rqn, in);
kvfree(in);
@@ -752,7 +738,7 @@ static int mlx5e_modify_rq_scatter_fcs(struct mlx5e_rq *rq, bool enable)
MLX5_SET(rqc, rqc, scatter_fcs, enable);
MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY);
- err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen);
+ err = mlx5_core_modify_rq(mdev, rq->rqn, in);
kvfree(in);
@@ -781,7 +767,7 @@ static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd)
MLX5_SET(rqc, rqc, vsd, vsd);
MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY);
- err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen);
+ err = mlx5_core_modify_rq(mdev, rq->rqn, in);
kvfree(in);
@@ -1027,17 +1013,17 @@ static void mlx5e_free_xdpsq(struct mlx5e_xdpsq *sq)
static void mlx5e_free_icosq_db(struct mlx5e_icosq *sq)
{
- kvfree(sq->db.ico_wqe);
+ kvfree(sq->db.wqe_info);
}
static int mlx5e_alloc_icosq_db(struct mlx5e_icosq *sq, int numa)
{
int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
+ size_t size;
- sq->db.ico_wqe = kvzalloc_node(array_size(wq_sz,
- sizeof(*sq->db.ico_wqe)),
- GFP_KERNEL, numa);
- if (!sq->db.ico_wqe)
+ size = array_size(wq_sz, sizeof(*sq->db.wqe_info));
+ sq->db.wqe_info = kvzalloc_node(size, GFP_KERNEL, numa);
+ if (!sq->db.wqe_info)
return -ENOMEM;
return 0;
@@ -1116,6 +1102,22 @@ static int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa)
return 0;
}
+static int mlx5e_calc_sq_stop_room(struct mlx5e_txqsq *sq, u8 log_sq_size)
+{
+ int sq_size = 1 << log_sq_size;
+
+ sq->stop_room = mlx5e_tls_get_stop_room(sq);
+ sq->stop_room += mlx5e_stop_room_for_wqe(MLX5_SEND_WQE_MAX_WQEBBS);
+
+ if (WARN_ON(sq->stop_room >= sq_size)) {
+ netdev_err(sq->channel->netdev, "Stop room %hu is bigger than the SQ size %d\n",
+ sq->stop_room, sq_size);
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
static void mlx5e_tx_err_cqe_work(struct work_struct *recover_work);
static int mlx5e_alloc_txqsq(struct mlx5e_channel *c,
int txq_ix,
@@ -1140,20 +1142,16 @@ static int mlx5e_alloc_txqsq(struct mlx5e_channel *c,
sq->min_inline_mode = params->tx_min_inline_mode;
sq->hw_mtu = MLX5E_SW2HW_MTU(params, params->sw_mtu);
sq->stats = &c->priv->channel_stats[c->ix].sq[tc];
- sq->stop_room = MLX5E_SQ_STOP_ROOM;
INIT_WORK(&sq->recover_work, mlx5e_tx_err_cqe_work);
if (!MLX5_CAP_ETH(mdev, wqe_vlan_insert))
set_bit(MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, &sq->state);
if (MLX5_IPSEC_DEV(c->priv->mdev))
set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state);
-#ifdef CONFIG_MLX5_EN_TLS
- if (mlx5_accel_is_tls_device(c->priv->mdev)) {
+ if (mlx5_accel_is_tls_device(c->priv->mdev))
set_bit(MLX5E_SQ_STATE_TLS, &sq->state);
- sq->stop_room += MLX5E_SQ_TLS_ROOM +
- mlx5e_ktls_dumps_num_wqebbs(sq, MAX_SKB_FRAGS,
- TLS_MAX_PAYLOAD_SIZE);
- }
-#endif
+ err = mlx5e_calc_sq_stop_room(sq, params->log_sq_size);
+ if (err)
+ return err;
param->wq.db_numa_node = cpu_to_node(c->cpu);
err = mlx5_wq_cyc_create(mdev, &param->wq, sqc_wq, wq, &sq->wq_ctrl);
@@ -1259,7 +1257,7 @@ int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn,
MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, p->rl_index);
}
- err = mlx5_core_modify_sq(mdev, sqn, in, inlen);
+ err = mlx5_core_modify_sq(mdev, sqn, in);
kvfree(in);
@@ -1364,13 +1362,12 @@ static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq)
/* last doorbell out, godspeed .. */
if (mlx5e_wqc_has_room_for(wq, sq->cc, sq->pc, 1)) {
u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- struct mlx5e_tx_wqe_info *wi;
struct mlx5e_tx_wqe *nop;
- wi = &sq->db.wqe_info[pi];
+ sq->db.wqe_info[pi] = (struct mlx5e_tx_wqe_info) {
+ .num_wqebbs = 1,
+ };
- memset(wi, 0, sizeof(*wi));
- wi->num_wqebbs = 1;
nop = mlx5e_post_nop(wq, sq->sqn, &sq->pc);
mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nop->ctrl);
}
@@ -1482,20 +1479,21 @@ int mlx5e_open_xdpsq(struct mlx5e_channel *c, struct mlx5e_params *params,
/* Pre initialize fixed WQE fields */
for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) {
- struct mlx5e_xdp_wqe_info *wi = &sq->db.wqe_info[i];
struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i);
struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
struct mlx5_wqe_eth_seg *eseg = &wqe->eth;
struct mlx5_wqe_data_seg *dseg;
+ sq->db.wqe_info[i] = (struct mlx5e_xdp_wqe_info) {
+ .num_wqebbs = 1,
+ .num_pkts = 1,
+ };
+
cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt);
eseg->inline_hdr.sz = cpu_to_be16(inline_hdr_sz);
dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1);
dseg->lkey = sq->mkey_be;
-
- wi->num_wqebbs = 1;
- wi->num_pkts = 1;
}
}
@@ -2698,7 +2696,7 @@ static void mlx5e_update_rx_hash_fields(struct mlx5e_tirc_config *ttconfig,
ttconfig->rx_hash_fields = rx_hash_fields;
}
-void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
+void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in)
{
void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx);
struct mlx5e_rss_params *rss = &priv->rss_params;
@@ -2714,10 +2712,11 @@ void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
mlx5e_update_rx_hash_fields(&ttconfig, tt,
rss->rx_hash_fields[tt]);
mlx5e_build_indir_tir_ctx_hash(rss, &ttconfig, tirc, false);
- mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, inlen);
+ mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in);
}
- if (!mlx5e_tunnel_inner_ft_supported(priv->mdev))
+ /* Verify inner tirs resources allocated */
+ if (!priv->inner_indir_tir[0].tirn)
return;
for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
@@ -2725,8 +2724,7 @@ void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen)
mlx5e_update_rx_hash_fields(&ttconfig, tt,
rss->rx_hash_fields[tt]);
mlx5e_build_indir_tir_ctx_hash(rss, &ttconfig, tirc, true);
- mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in,
- inlen);
+ mlx5_core_modify_tir(mdev, priv->inner_indir_tir[tt].tirn, in);
}
}
@@ -2752,15 +2750,13 @@ static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv)
mlx5e_build_tir_ctx_lro(&priv->channels.params, tirc);
for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
- err = mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in,
- inlen);
+ err = mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in);
if (err)
goto free_in;
}
for (ix = 0; ix < priv->max_nch; ix++) {
- err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn,
- in, inlen);
+ err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, in);
if (err)
goto free_in;
}
@@ -2839,11 +2835,8 @@ void mlx5e_set_netdev_mtu_boundaries(struct mlx5e_priv *priv)
ETH_MAX_MTU);
}
-static void mlx5e_netdev_set_tcs(struct net_device *netdev)
+static void mlx5e_netdev_set_tcs(struct net_device *netdev, u16 nch, u8 ntc)
{
- struct mlx5e_priv *priv = netdev_priv(netdev);
- int nch = priv->channels.params.num_channels;
- int ntc = priv->channels.params.num_tc;
int tc;
netdev_reset_tc(netdev);
@@ -2860,15 +2853,47 @@ static void mlx5e_netdev_set_tcs(struct net_device *netdev)
netdev_set_tc_queue(netdev, tc, nch, 0);
}
-static void mlx5e_update_netdev_queues(struct mlx5e_priv *priv, u16 count)
+static int mlx5e_update_netdev_queues(struct mlx5e_priv *priv)
{
- int num_txqs = count * priv->channels.params.num_tc;
- int num_rxqs = count * priv->profile->rq_groups;
struct net_device *netdev = priv->netdev;
+ int num_txqs, num_rxqs, nch, ntc;
+ int old_num_txqs, old_ntc;
+ int err;
+
+ old_num_txqs = netdev->real_num_tx_queues;
+ old_ntc = netdev->num_tc;
+
+ nch = priv->channels.params.num_channels;
+ ntc = priv->channels.params.num_tc;
+ num_txqs = nch * ntc;
+ num_rxqs = nch * priv->profile->rq_groups;
+
+ mlx5e_netdev_set_tcs(netdev, nch, ntc);
+
+ err = netif_set_real_num_tx_queues(netdev, num_txqs);
+ if (err) {
+ netdev_warn(netdev, "netif_set_real_num_tx_queues failed, %d\n", err);
+ goto err_tcs;
+ }
+ err = netif_set_real_num_rx_queues(netdev, num_rxqs);
+ if (err) {
+ netdev_warn(netdev, "netif_set_real_num_rx_queues failed, %d\n", err);
+ goto err_txqs;
+ }
+
+ return 0;
- mlx5e_netdev_set_tcs(netdev);
- netif_set_real_num_tx_queues(netdev, num_txqs);
- netif_set_real_num_rx_queues(netdev, num_rxqs);
+err_txqs:
+ /* netif_set_real_num_rx_queues could fail only when nch increased. Only
+ * one of nch and ntc is changed in this function. That means, the call
+ * to netif_set_real_num_tx_queues below should not fail, because it
+ * decreases the number of TX queues.
+ */
+ WARN_ON_ONCE(netif_set_real_num_tx_queues(netdev, old_num_txqs));
+
+err_tcs:
+ mlx5e_netdev_set_tcs(netdev, old_num_txqs / old_ntc, old_ntc);
+ return err;
}
static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv,
@@ -2895,8 +2920,12 @@ static void mlx5e_set_default_xps_cpumasks(struct mlx5e_priv *priv,
int mlx5e_num_channels_changed(struct mlx5e_priv *priv)
{
u16 count = priv->channels.params.num_channels;
+ int err;
+
+ err = mlx5e_update_netdev_queues(priv);
+ if (err)
+ return err;
- mlx5e_update_netdev_queues(priv, count);
mlx5e_set_default_xps_cpumasks(priv, &priv->channels.params);
if (!netif_is_rxfh_configured(priv->netdev))
@@ -3214,7 +3243,7 @@ int mlx5e_create_tis(struct mlx5_core_dev *mdev, void *in, u32 *tisn)
if (mlx5_lag_is_lacp_owner(mdev))
MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1);
- return mlx5_core_create_tis(mdev, in, MLX5_ST_SZ_BYTES(create_tis_in), tisn);
+ return mlx5_core_create_tis(mdev, in, tisn);
}
void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn)
@@ -3332,7 +3361,7 @@ int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc)
tir = &priv->indir_tir[tt];
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
mlx5e_build_indir_tir_ctx(priv, tt, tirc);
- err = mlx5e_create_tir(priv->mdev, tir, in, inlen);
+ err = mlx5e_create_tir(priv->mdev, tir, in);
if (err) {
mlx5_core_warn(priv->mdev, "create indirect tirs failed, %d\n", err);
goto err_destroy_inner_tirs;
@@ -3347,7 +3376,7 @@ int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc)
tir = &priv->inner_indir_tir[i];
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
mlx5e_build_inner_indir_tir_ctx(priv, i, tirc);
- err = mlx5e_create_tir(priv->mdev, tir, in, inlen);
+ err = mlx5e_create_tir(priv->mdev, tir, in);
if (err) {
mlx5_core_warn(priv->mdev, "create inner indirect tirs failed, %d\n", err);
goto err_destroy_inner_tirs;
@@ -3390,7 +3419,7 @@ int mlx5e_create_direct_tirs(struct mlx5e_priv *priv, struct mlx5e_tir *tirs)
tir = &tirs[ix];
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
mlx5e_build_direct_tir_ctx(priv, tir->rqt.rqtn, tirc);
- err = mlx5e_create_tir(priv->mdev, tir, in, inlen);
+ err = mlx5e_create_tir(priv->mdev, tir, in);
if (unlikely(err))
goto err_destroy_ch_tirs;
}
@@ -3408,14 +3437,15 @@ out:
return err;
}
-void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc)
+void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv)
{
int i;
for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++)
mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[i]);
- if (!inner_ttc || !mlx5e_tunnel_inner_ft_supported(priv->mdev))
+ /* Verify inner tirs resources allocated */
+ if (!priv->inner_indir_tir[0].tirn)
return;
for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++)
@@ -3492,41 +3522,6 @@ out:
return err;
}
-#ifdef CONFIG_MLX5_ESWITCH
-static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
- struct flow_cls_offload *cls_flower,
- unsigned long flags)
-{
- switch (cls_flower->command) {
- case FLOW_CLS_REPLACE:
- return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
- flags);
- case FLOW_CLS_DESTROY:
- return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
- flags);
- case FLOW_CLS_STATS:
- return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
- flags);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
- void *cb_priv)
-{
- unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD);
- struct mlx5e_priv *priv = cb_priv;
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- return mlx5e_setup_tc_cls_flower(priv, type_data, flags);
- default:
- return -EOPNOTSUPP;
- }
-}
-#endif
-
static LIST_HEAD(mlx5e_block_cb_list);
static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
@@ -3535,7 +3530,6 @@ static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
struct mlx5e_priv *priv = netdev_priv(dev);
switch (type) {
-#ifdef CONFIG_MLX5_ESWITCH
case TC_SETUP_BLOCK: {
struct flow_block_offload *f = type_data;
@@ -3545,7 +3539,6 @@ static int mlx5e_setup_tc(struct net_device *dev, enum tc_setup_type type,
mlx5e_setup_tc_block_cb,
priv, priv, true);
}
-#endif
case TC_SETUP_QDISC_MQPRIO:
return mlx5e_setup_tc_mqprio(priv, type_data);
default:
@@ -3583,7 +3576,12 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
struct mlx5e_vport_stats *vstats = &priv->stats.vport;
struct mlx5e_pport_stats *pstats = &priv->stats.pport;
- if (!mlx5e_monitor_counter_supported(priv)) {
+ /* In switchdev mode, monitor counters doesn't monitor
+ * rx/tx stats of 802_3. The update stats mechanism
+ * should keep the 802_3 layout counters updated
+ */
+ if (!mlx5e_monitor_counter_supported(priv) ||
+ mlx5e_is_uplink_rep(priv)) {
/* update HW stats in background for next time */
mlx5e_queue_update_stats(priv);
}
@@ -3713,7 +3711,7 @@ static int set_feature_cvlan_filter(struct net_device *netdev, bool enable)
return 0;
}
-#ifdef CONFIG_MLX5_ESWITCH
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
static int set_feature_tc_num_filters(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -3824,7 +3822,7 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features)
err |= MLX5E_HANDLE_FEATURE(NETIF_F_LRO, set_feature_lro);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_FILTER,
set_feature_cvlan_filter);
-#ifdef CONFIG_MLX5_ESWITCH
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TC, set_feature_tc_num_filters);
#endif
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
@@ -4709,7 +4707,7 @@ static u8 mlx5_to_net_dim_cq_period_mode(u8 cq_period_mode)
DIM_CQ_PERIOD_MODE_START_FROM_EQE;
}
-void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
+void mlx5e_reset_tx_moderation(struct mlx5e_params *params, u8 cq_period_mode)
{
if (params->tx_dim_enabled) {
u8 dim_period_mode = mlx5_to_net_dim_cq_period_mode(cq_period_mode);
@@ -4718,13 +4716,9 @@ void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
} else {
params->tx_cq_moderation = mlx5e_get_def_tx_moderation(cq_period_mode);
}
-
- MLX5E_SET_PFLAG(params, MLX5E_PFLAG_TX_CQE_BASED_MODER,
- params->tx_cq_moderation.cq_period_mode ==
- MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
}
-void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
+void mlx5e_reset_rx_moderation(struct mlx5e_params *params, u8 cq_period_mode)
{
if (params->rx_dim_enabled) {
u8 dim_period_mode = mlx5_to_net_dim_cq_period_mode(cq_period_mode);
@@ -4733,7 +4727,19 @@ void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
} else {
params->rx_cq_moderation = mlx5e_get_def_rx_moderation(cq_period_mode);
}
+}
+void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
+{
+ mlx5e_reset_tx_moderation(params, cq_period_mode);
+ MLX5E_SET_PFLAG(params, MLX5E_PFLAG_TX_CQE_BASED_MODER,
+ params->tx_cq_moderation.cq_period_mode ==
+ MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
+}
+
+void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode)
+{
+ mlx5e_reset_rx_moderation(params, cq_period_mode);
MLX5E_SET_PFLAG(params, MLX5E_PFLAG_RX_CQE_BASED_MODER,
params->rx_cq_moderation.cq_period_mode ==
MLX5_CQ_PERIOD_MODE_START_FROM_CQE);
@@ -4874,10 +4880,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
netdev->netdev_ops = &mlx5e_netdev_ops;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
- if (MLX5_CAP_GEN(mdev, vport_group_manager) && MLX5_CAP_GEN(mdev, qos))
- netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
-#endif
+ mlx5e_dcbnl_build_netdev(netdev);
netdev->watchdog_timeo = 15 * HZ;
@@ -4997,29 +5000,40 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
void mlx5e_create_q_counters(struct mlx5e_priv *priv)
{
+ u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
struct mlx5_core_dev *mdev = priv->mdev;
int err;
- err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter);
- if (err) {
- mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err);
- priv->q_counter = 0;
- }
+ MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
+ err = mlx5_cmd_exec_inout(mdev, alloc_q_counter, in, out);
+ if (!err)
+ priv->q_counter =
+ MLX5_GET(alloc_q_counter_out, out, counter_set_id);
- err = mlx5_core_alloc_q_counter(mdev, &priv->drop_rq_q_counter);
- if (err) {
- mlx5_core_warn(mdev, "alloc drop RQ counter failed, %d\n", err);
- priv->drop_rq_q_counter = 0;
- }
+ err = mlx5_cmd_exec_inout(mdev, alloc_q_counter, in, out);
+ if (!err)
+ priv->drop_rq_q_counter =
+ MLX5_GET(alloc_q_counter_out, out, counter_set_id);
}
void mlx5e_destroy_q_counters(struct mlx5e_priv *priv)
{
- if (priv->q_counter)
- mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter);
+ u32 in[MLX5_ST_SZ_DW(dealloc_q_counter_in)] = {};
+
+ MLX5_SET(dealloc_q_counter_in, in, opcode,
+ MLX5_CMD_OP_DEALLOC_Q_COUNTER);
+ if (priv->q_counter) {
+ MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
+ priv->q_counter);
+ mlx5_cmd_exec_in(priv->mdev, dealloc_q_counter, in);
+ }
- if (priv->drop_rq_q_counter)
- mlx5_core_dealloc_q_counter(priv->mdev, priv->drop_rq_q_counter);
+ if (priv->drop_rq_q_counter) {
+ MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
+ priv->drop_rq_q_counter);
+ mlx5_cmd_exec_in(priv->mdev, dealloc_q_counter, in);
+ }
}
static int mlx5e_nic_init(struct mlx5_core_dev *mdev,
@@ -5118,7 +5132,7 @@ err_destroy_xsk_rqts:
err_destroy_direct_tirs:
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
err_destroy_indirect_tirs:
- mlx5e_destroy_indirect_tirs(priv, true);
+ mlx5e_destroy_indirect_tirs(priv);
err_destroy_direct_rqts:
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
err_destroy_indirect_rqts:
@@ -5137,7 +5151,7 @@ static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv)
mlx5e_destroy_direct_tirs(priv, priv->xsk_tir);
mlx5e_destroy_direct_rqts(priv, priv->xsk_tir);
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
- mlx5e_destroy_indirect_tirs(priv, true);
+ mlx5e_destroy_indirect_tirs(priv);
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
mlx5e_destroy_rqt(priv, &priv->indir_rqt);
mlx5e_close_drop_rq(&priv->drop_rq);
@@ -5154,9 +5168,7 @@ static int mlx5e_init_nic_tx(struct mlx5e_priv *priv)
return err;
}
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_initialize(priv);
-#endif
return 0;
}
@@ -5183,9 +5195,7 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv)
mlx5e_hv_vhca_stats_create(priv);
if (netdev->reg_state != NETREG_REGISTERED)
return;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_init_app(priv);
-#endif
queue_work(priv->wq, &priv->set_rx_mode_work);
@@ -5200,10 +5210,8 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
if (priv->netdev->reg_state == NETREG_REGISTERED)
mlx5e_dcbnl_delete_app(priv);
-#endif
rtnl_lock();
if (netif_running(priv->netdev))
@@ -5223,7 +5231,7 @@ static void mlx5e_nic_disable(struct mlx5e_priv *priv)
int mlx5e_update_nic_rx(struct mlx5e_priv *priv)
{
- return mlx5e_refresh_tirs(priv, false);
+ return mlx5e_refresh_tirs(priv, false, false);
}
static const struct mlx5e_profile mlx5e_nic_profile = {
@@ -5358,9 +5366,11 @@ int mlx5e_attach_netdev(struct mlx5e_priv *priv)
*/
if (take_rtnl)
rtnl_lock();
- mlx5e_num_channels_changed(priv);
+ err = mlx5e_num_channels_changed(priv);
if (take_rtnl)
rtnl_unlock();
+ if (err)
+ goto out;
err = profile->init_tx(priv);
if (err)
@@ -5498,9 +5508,7 @@ static void *mlx5e_add(struct mlx5_core_dev *mdev)
mlx5e_devlink_port_type_eth_set(priv);
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_init_app(priv);
-#endif
return priv;
err_devlink_port_unregister:
@@ -5523,9 +5531,7 @@ static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv)
}
#endif
priv = vpriv;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_delete_app(priv);
-#endif
unregister_netdev(priv->netdev);
mlx5e_devlink_port_unregister(priv);
mlx5e_detach(mdev, vpriv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 55457f268495..006807e04eda 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -35,7 +35,6 @@
#include <net/switchdev.h>
#include <net/pkt_cls.h>
#include <net/act_api.h>
-#include <net/netevent.h>
#include <net/arp.h>
#include <net/devlink.h>
#include <net/ipv6_stubs.h>
@@ -45,9 +44,9 @@
#include "en.h"
#include "en_rep.h"
#include "en_tc.h"
-#include "en/tc_tun.h"
+#include "en/rep/tc.h"
+#include "en/rep/neigh.h"
#include "fs_core.h"
-#include "lib/port_tun.h"
#include "lib/mlx5.h"
#define CREATE_TRACE_POINTS
#include "diag/en_rep_tracepoint.h"
@@ -58,16 +57,6 @@
static const char mlx5e_rep_driver_name[] = "mlx5e_rep";
-struct mlx5e_rep_indr_block_priv {
- struct net_device *netdev;
- struct mlx5e_rep_priv *rpriv;
-
- struct list_head list;
-};
-
-static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv,
- struct net_device *netdev);
-
static void mlx5e_rep_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *drvinfo)
{
@@ -485,706 +474,6 @@ void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv)
mlx5e_sqs2vport_stop(esw, rep);
}
-static unsigned long mlx5e_rep_ipv6_interval(void)
-{
- if (IS_ENABLED(CONFIG_IPV6) && ipv6_stub->nd_tbl)
- return NEIGH_VAR(&ipv6_stub->nd_tbl->parms, DELAY_PROBE_TIME);
-
- return ~0UL;
-}
-
-static void mlx5e_rep_neigh_update_init_interval(struct mlx5e_rep_priv *rpriv)
-{
- unsigned long ipv4_interval = NEIGH_VAR(&arp_tbl.parms, DELAY_PROBE_TIME);
- unsigned long ipv6_interval = mlx5e_rep_ipv6_interval();
- struct net_device *netdev = rpriv->netdev;
- struct mlx5e_priv *priv = netdev_priv(netdev);
-
- rpriv->neigh_update.min_interval = min_t(unsigned long, ipv6_interval, ipv4_interval);
- mlx5_fc_update_sampling_interval(priv->mdev, rpriv->neigh_update.min_interval);
-}
-
-void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv)
-{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
- struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
-
- mlx5_fc_queue_stats_work(priv->mdev,
- &neigh_update->neigh_stats_work,
- neigh_update->min_interval);
-}
-
-static bool mlx5e_rep_neigh_entry_hold(struct mlx5e_neigh_hash_entry *nhe)
-{
- return refcount_inc_not_zero(&nhe->refcnt);
-}
-
-static void mlx5e_rep_neigh_entry_remove(struct mlx5e_neigh_hash_entry *nhe);
-
-static void mlx5e_rep_neigh_entry_release(struct mlx5e_neigh_hash_entry *nhe)
-{
- if (refcount_dec_and_test(&nhe->refcnt)) {
- mlx5e_rep_neigh_entry_remove(nhe);
- kfree_rcu(nhe, rcu);
- }
-}
-
-static struct mlx5e_neigh_hash_entry *
-mlx5e_get_next_nhe(struct mlx5e_rep_priv *rpriv,
- struct mlx5e_neigh_hash_entry *nhe)
-{
- struct mlx5e_neigh_hash_entry *next = NULL;
-
- rcu_read_lock();
-
- for (next = nhe ?
- list_next_or_null_rcu(&rpriv->neigh_update.neigh_list,
- &nhe->neigh_list,
- struct mlx5e_neigh_hash_entry,
- neigh_list) :
- list_first_or_null_rcu(&rpriv->neigh_update.neigh_list,
- struct mlx5e_neigh_hash_entry,
- neigh_list);
- next;
- next = list_next_or_null_rcu(&rpriv->neigh_update.neigh_list,
- &next->neigh_list,
- struct mlx5e_neigh_hash_entry,
- neigh_list))
- if (mlx5e_rep_neigh_entry_hold(next))
- break;
-
- rcu_read_unlock();
-
- if (nhe)
- mlx5e_rep_neigh_entry_release(nhe);
-
- return next;
-}
-
-static void mlx5e_rep_neigh_stats_work(struct work_struct *work)
-{
- struct mlx5e_rep_priv *rpriv = container_of(work, struct mlx5e_rep_priv,
- neigh_update.neigh_stats_work.work);
- struct net_device *netdev = rpriv->netdev;
- struct mlx5e_priv *priv = netdev_priv(netdev);
- struct mlx5e_neigh_hash_entry *nhe = NULL;
-
- rtnl_lock();
- if (!list_empty(&rpriv->neigh_update.neigh_list))
- mlx5e_rep_queue_neigh_stats_work(priv);
-
- while ((nhe = mlx5e_get_next_nhe(rpriv, nhe)) != NULL)
- mlx5e_tc_update_neigh_used_value(nhe);
-
- rtnl_unlock();
-}
-
-static void mlx5e_rep_update_flows(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e,
- bool neigh_connected,
- unsigned char ha[ETH_ALEN])
-{
- struct ethhdr *eth = (struct ethhdr *)e->encap_header;
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
- bool encap_connected;
- LIST_HEAD(flow_list);
-
- ASSERT_RTNL();
-
- /* wait for encap to be fully initialized */
- wait_for_completion(&e->res_ready);
-
- mutex_lock(&esw->offloads.encap_tbl_lock);
- encap_connected = !!(e->flags & MLX5_ENCAP_ENTRY_VALID);
- if (e->compl_result < 0 || (encap_connected == neigh_connected &&
- ether_addr_equal(e->h_dest, ha)))
- goto unlock;
-
- mlx5e_take_all_encap_flows(e, &flow_list);
-
- if ((e->flags & MLX5_ENCAP_ENTRY_VALID) &&
- (!neigh_connected || !ether_addr_equal(e->h_dest, ha)))
- mlx5e_tc_encap_flows_del(priv, e, &flow_list);
-
- if (neigh_connected && !(e->flags & MLX5_ENCAP_ENTRY_VALID)) {
- ether_addr_copy(e->h_dest, ha);
- ether_addr_copy(eth->h_dest, ha);
- /* Update the encap source mac, in case that we delete
- * the flows when encap source mac changed.
- */
- ether_addr_copy(eth->h_source, e->route_dev->dev_addr);
-
- mlx5e_tc_encap_flows_add(priv, e, &flow_list);
- }
-unlock:
- mutex_unlock(&esw->offloads.encap_tbl_lock);
- mlx5e_put_encap_flow_list(priv, &flow_list);
-}
-
-static void mlx5e_rep_neigh_update(struct work_struct *work)
-{
- struct mlx5e_neigh_hash_entry *nhe =
- container_of(work, struct mlx5e_neigh_hash_entry, neigh_update_work);
- struct neighbour *n = nhe->n;
- struct mlx5e_encap_entry *e;
- unsigned char ha[ETH_ALEN];
- struct mlx5e_priv *priv;
- bool neigh_connected;
- u8 nud_state, dead;
-
- rtnl_lock();
-
- /* If these parameters are changed after we release the lock,
- * we'll receive another event letting us know about it.
- * We use this lock to avoid inconsistency between the neigh validity
- * and it's hw address.
- */
- read_lock_bh(&n->lock);
- memcpy(ha, n->ha, ETH_ALEN);
- nud_state = n->nud_state;
- dead = n->dead;
- read_unlock_bh(&n->lock);
-
- neigh_connected = (nud_state & NUD_VALID) && !dead;
-
- trace_mlx5e_rep_neigh_update(nhe, ha, neigh_connected);
-
- list_for_each_entry(e, &nhe->encap_list, encap_list) {
- if (!mlx5e_encap_take(e))
- continue;
-
- priv = netdev_priv(e->out_dev);
- mlx5e_rep_update_flows(priv, e, neigh_connected, ha);
- mlx5e_encap_put(priv, e);
- }
- mlx5e_rep_neigh_entry_release(nhe);
- rtnl_unlock();
- neigh_release(n);
-}
-
-static struct mlx5e_rep_indr_block_priv *
-mlx5e_rep_indr_block_priv_lookup(struct mlx5e_rep_priv *rpriv,
- struct net_device *netdev)
-{
- struct mlx5e_rep_indr_block_priv *cb_priv;
-
- /* All callback list access should be protected by RTNL. */
- ASSERT_RTNL();
-
- list_for_each_entry(cb_priv,
- &rpriv->uplink_priv.tc_indr_block_priv_list,
- list)
- if (cb_priv->netdev == netdev)
- return cb_priv;
-
- return NULL;
-}
-
-static void mlx5e_rep_indr_clean_block_privs(struct mlx5e_rep_priv *rpriv)
-{
- struct mlx5e_rep_indr_block_priv *cb_priv, *temp;
- struct list_head *head = &rpriv->uplink_priv.tc_indr_block_priv_list;
-
- list_for_each_entry_safe(cb_priv, temp, head, list) {
- mlx5e_rep_indr_unregister_block(rpriv, cb_priv->netdev);
- kfree(cb_priv);
- }
-}
-
-static int
-mlx5e_rep_indr_offload(struct net_device *netdev,
- struct flow_cls_offload *flower,
- struct mlx5e_rep_indr_block_priv *indr_priv,
- unsigned long flags)
-{
- struct mlx5e_priv *priv = netdev_priv(indr_priv->rpriv->netdev);
- int err = 0;
-
- switch (flower->command) {
- case FLOW_CLS_REPLACE:
- err = mlx5e_configure_flower(netdev, priv, flower, flags);
- break;
- case FLOW_CLS_DESTROY:
- err = mlx5e_delete_flower(netdev, priv, flower, flags);
- break;
- case FLOW_CLS_STATS:
- err = mlx5e_stats_flower(netdev, priv, flower, flags);
- break;
- default:
- err = -EOPNOTSUPP;
- }
-
- return err;
-}
-
-static int mlx5e_rep_indr_setup_tc_cb(enum tc_setup_type type,
- void *type_data, void *indr_priv)
-{
- unsigned long flags = MLX5_TC_FLAG(EGRESS) | MLX5_TC_FLAG(ESW_OFFLOAD);
- struct mlx5e_rep_indr_block_priv *priv = indr_priv;
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- return mlx5e_rep_indr_offload(priv->netdev, type_data, priv,
- flags);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlx5e_rep_indr_setup_ft_cb(enum tc_setup_type type,
- void *type_data, void *indr_priv)
-{
- struct mlx5e_rep_indr_block_priv *priv = indr_priv;
- struct flow_cls_offload *f = type_data;
- struct flow_cls_offload tmp;
- struct mlx5e_priv *mpriv;
- struct mlx5_eswitch *esw;
- unsigned long flags;
- int err;
-
- mpriv = netdev_priv(priv->rpriv->netdev);
- esw = mpriv->mdev->priv.eswitch;
-
- flags = MLX5_TC_FLAG(EGRESS) |
- MLX5_TC_FLAG(ESW_OFFLOAD) |
- MLX5_TC_FLAG(FT_OFFLOAD);
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- memcpy(&tmp, f, sizeof(*f));
-
- /* Re-use tc offload path by moving the ft flow to the
- * reserved ft chain.
- *
- * FT offload can use prio range [0, INT_MAX], so we normalize
- * it to range [1, mlx5_esw_chains_get_prio_range(esw)]
- * as with tc, where prio 0 isn't supported.
- *
- * We only support chain 0 of FT offload.
- */
- if (!mlx5_esw_chains_prios_supported(esw) ||
- tmp.common.prio >= mlx5_esw_chains_get_prio_range(esw) ||
- tmp.common.chain_index)
- return -EOPNOTSUPP;
-
- tmp.common.chain_index = mlx5_esw_chains_get_ft_chain(esw);
- tmp.common.prio++;
- err = mlx5e_rep_indr_offload(priv->netdev, &tmp, priv, flags);
- memcpy(&f->stats, &tmp.stats, sizeof(f->stats));
- return err;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void mlx5e_rep_indr_block_unbind(void *cb_priv)
-{
- struct mlx5e_rep_indr_block_priv *indr_priv = cb_priv;
-
- list_del(&indr_priv->list);
- kfree(indr_priv);
-}
-
-static LIST_HEAD(mlx5e_block_cb_list);
-
-static int
-mlx5e_rep_indr_setup_block(struct net_device *netdev,
- struct mlx5e_rep_priv *rpriv,
- struct flow_block_offload *f,
- flow_setup_cb_t *setup_cb)
-{
- struct mlx5e_rep_indr_block_priv *indr_priv;
- struct flow_block_cb *block_cb;
-
- if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
- return -EOPNOTSUPP;
-
- f->unlocked_driver_cb = true;
- f->driver_block_list = &mlx5e_block_cb_list;
-
- switch (f->command) {
- case FLOW_BLOCK_BIND:
- indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev);
- if (indr_priv)
- return -EEXIST;
-
- indr_priv = kmalloc(sizeof(*indr_priv), GFP_KERNEL);
- if (!indr_priv)
- return -ENOMEM;
-
- indr_priv->netdev = netdev;
- indr_priv->rpriv = rpriv;
- list_add(&indr_priv->list,
- &rpriv->uplink_priv.tc_indr_block_priv_list);
-
- block_cb = flow_block_cb_alloc(setup_cb, indr_priv, indr_priv,
- mlx5e_rep_indr_block_unbind);
- if (IS_ERR(block_cb)) {
- list_del(&indr_priv->list);
- kfree(indr_priv);
- return PTR_ERR(block_cb);
- }
- flow_block_cb_add(block_cb, f);
- list_add_tail(&block_cb->driver_list, &mlx5e_block_cb_list);
-
- return 0;
- case FLOW_BLOCK_UNBIND:
- indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev);
- if (!indr_priv)
- return -ENOENT;
-
- block_cb = flow_block_cb_lookup(f->block, setup_cb, indr_priv);
- if (!block_cb)
- return -ENOENT;
-
- flow_block_cb_remove(block_cb, f);
- list_del(&block_cb->driver_list);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
-}
-
-static
-int mlx5e_rep_indr_setup_cb(struct net_device *netdev, void *cb_priv,
- enum tc_setup_type type, void *type_data)
-{
- switch (type) {
- case TC_SETUP_BLOCK:
- return mlx5e_rep_indr_setup_block(netdev, cb_priv, type_data,
- mlx5e_rep_indr_setup_tc_cb);
- case TC_SETUP_FT:
- return mlx5e_rep_indr_setup_block(netdev, cb_priv, type_data,
- mlx5e_rep_indr_setup_ft_cb);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlx5e_rep_indr_register_block(struct mlx5e_rep_priv *rpriv,
- struct net_device *netdev)
-{
- int err;
-
- err = __flow_indr_block_cb_register(netdev, rpriv,
- mlx5e_rep_indr_setup_cb,
- rpriv);
- if (err) {
- struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
-
- mlx5_core_err(priv->mdev, "Failed to register remote block notifier for %s err=%d\n",
- netdev_name(netdev), err);
- }
- return err;
-}
-
-static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv,
- struct net_device *netdev)
-{
- __flow_indr_block_cb_unregister(netdev, mlx5e_rep_indr_setup_cb,
- rpriv);
-}
-
-static int mlx5e_nic_rep_netdevice_event(struct notifier_block *nb,
- unsigned long event, void *ptr)
-{
- struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv,
- uplink_priv.netdevice_nb);
- struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
- struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
-
- if (!mlx5e_tc_tun_device_to_offload(priv, netdev) &&
- !(is_vlan_dev(netdev) && vlan_dev_real_dev(netdev) == rpriv->netdev))
- return NOTIFY_OK;
-
- switch (event) {
- case NETDEV_REGISTER:
- mlx5e_rep_indr_register_block(rpriv, netdev);
- break;
- case NETDEV_UNREGISTER:
- mlx5e_rep_indr_unregister_block(rpriv, netdev);
- break;
- }
- return NOTIFY_OK;
-}
-
-static void
-mlx5e_rep_queue_neigh_update_work(struct mlx5e_priv *priv,
- struct mlx5e_neigh_hash_entry *nhe,
- struct neighbour *n)
-{
- /* Take a reference to ensure the neighbour and mlx5 encap
- * entry won't be destructed until we drop the reference in
- * delayed work.
- */
- neigh_hold(n);
-
- /* This assignment is valid as long as the the neigh reference
- * is taken
- */
- nhe->n = n;
-
- if (!queue_work(priv->wq, &nhe->neigh_update_work)) {
- mlx5e_rep_neigh_entry_release(nhe);
- neigh_release(n);
- }
-}
-
-static struct mlx5e_neigh_hash_entry *
-mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
- struct mlx5e_neigh *m_neigh);
-
-static int mlx5e_rep_netevent_event(struct notifier_block *nb,
- unsigned long event, void *ptr)
-{
- struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv,
- neigh_update.netevent_nb);
- struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
- struct net_device *netdev = rpriv->netdev;
- struct mlx5e_priv *priv = netdev_priv(netdev);
- struct mlx5e_neigh_hash_entry *nhe = NULL;
- struct mlx5e_neigh m_neigh = {};
- struct neigh_parms *p;
- struct neighbour *n;
- bool found = false;
-
- switch (event) {
- case NETEVENT_NEIGH_UPDATE:
- n = ptr;
-#if IS_ENABLED(CONFIG_IPV6)
- if (n->tbl != ipv6_stub->nd_tbl && n->tbl != &arp_tbl)
-#else
- if (n->tbl != &arp_tbl)
-#endif
- return NOTIFY_DONE;
-
- m_neigh.dev = n->dev;
- m_neigh.family = n->ops->family;
- memcpy(&m_neigh.dst_ip, n->primary_key, n->tbl->key_len);
-
- rcu_read_lock();
- nhe = mlx5e_rep_neigh_entry_lookup(priv, &m_neigh);
- rcu_read_unlock();
- if (!nhe)
- return NOTIFY_DONE;
-
- mlx5e_rep_queue_neigh_update_work(priv, nhe, n);
- break;
-
- case NETEVENT_DELAY_PROBE_TIME_UPDATE:
- p = ptr;
-
- /* We check the device is present since we don't care about
- * changes in the default table, we only care about changes
- * done per device delay prob time parameter.
- */
-#if IS_ENABLED(CONFIG_IPV6)
- if (!p->dev || (p->tbl != ipv6_stub->nd_tbl && p->tbl != &arp_tbl))
-#else
- if (!p->dev || p->tbl != &arp_tbl)
-#endif
- return NOTIFY_DONE;
-
- rcu_read_lock();
- list_for_each_entry_rcu(nhe, &neigh_update->neigh_list,
- neigh_list) {
- if (p->dev == nhe->m_neigh.dev) {
- found = true;
- break;
- }
- }
- rcu_read_unlock();
- if (!found)
- return NOTIFY_DONE;
-
- neigh_update->min_interval = min_t(unsigned long,
- NEIGH_VAR(p, DELAY_PROBE_TIME),
- neigh_update->min_interval);
- mlx5_fc_update_sampling_interval(priv->mdev,
- neigh_update->min_interval);
- break;
- }
- return NOTIFY_DONE;
-}
-
-static const struct rhashtable_params mlx5e_neigh_ht_params = {
- .head_offset = offsetof(struct mlx5e_neigh_hash_entry, rhash_node),
- .key_offset = offsetof(struct mlx5e_neigh_hash_entry, m_neigh),
- .key_len = sizeof(struct mlx5e_neigh),
- .automatic_shrinking = true,
-};
-
-static int mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv)
-{
- struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
- int err;
-
- err = rhashtable_init(&neigh_update->neigh_ht, &mlx5e_neigh_ht_params);
- if (err)
- return err;
-
- INIT_LIST_HEAD(&neigh_update->neigh_list);
- mutex_init(&neigh_update->encap_lock);
- INIT_DELAYED_WORK(&neigh_update->neigh_stats_work,
- mlx5e_rep_neigh_stats_work);
- mlx5e_rep_neigh_update_init_interval(rpriv);
-
- rpriv->neigh_update.netevent_nb.notifier_call = mlx5e_rep_netevent_event;
- err = register_netevent_notifier(&rpriv->neigh_update.netevent_nb);
- if (err)
- goto out_err;
- return 0;
-
-out_err:
- rhashtable_destroy(&neigh_update->neigh_ht);
- return err;
-}
-
-static void mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv)
-{
- struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
- struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
-
- unregister_netevent_notifier(&neigh_update->netevent_nb);
-
- flush_workqueue(priv->wq); /* flush neigh update works */
-
- cancel_delayed_work_sync(&rpriv->neigh_update.neigh_stats_work);
-
- mutex_destroy(&neigh_update->encap_lock);
- rhashtable_destroy(&neigh_update->neigh_ht);
-}
-
-static int mlx5e_rep_neigh_entry_insert(struct mlx5e_priv *priv,
- struct mlx5e_neigh_hash_entry *nhe)
-{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
- int err;
-
- err = rhashtable_insert_fast(&rpriv->neigh_update.neigh_ht,
- &nhe->rhash_node,
- mlx5e_neigh_ht_params);
- if (err)
- return err;
-
- list_add_rcu(&nhe->neigh_list, &rpriv->neigh_update.neigh_list);
-
- return err;
-}
-
-static void mlx5e_rep_neigh_entry_remove(struct mlx5e_neigh_hash_entry *nhe)
-{
- struct mlx5e_rep_priv *rpriv = nhe->priv->ppriv;
-
- mutex_lock(&rpriv->neigh_update.encap_lock);
-
- list_del_rcu(&nhe->neigh_list);
-
- rhashtable_remove_fast(&rpriv->neigh_update.neigh_ht,
- &nhe->rhash_node,
- mlx5e_neigh_ht_params);
- mutex_unlock(&rpriv->neigh_update.encap_lock);
-}
-
-/* This function must only be called under the representor's encap_lock or
- * inside rcu read lock section.
- */
-static struct mlx5e_neigh_hash_entry *
-mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
- struct mlx5e_neigh *m_neigh)
-{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
- struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
- struct mlx5e_neigh_hash_entry *nhe;
-
- nhe = rhashtable_lookup_fast(&neigh_update->neigh_ht, m_neigh,
- mlx5e_neigh_ht_params);
- return nhe && mlx5e_rep_neigh_entry_hold(nhe) ? nhe : NULL;
-}
-
-static int mlx5e_rep_neigh_entry_create(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e,
- struct mlx5e_neigh_hash_entry **nhe)
-{
- int err;
-
- *nhe = kzalloc(sizeof(**nhe), GFP_KERNEL);
- if (!*nhe)
- return -ENOMEM;
-
- (*nhe)->priv = priv;
- memcpy(&(*nhe)->m_neigh, &e->m_neigh, sizeof(e->m_neigh));
- INIT_WORK(&(*nhe)->neigh_update_work, mlx5e_rep_neigh_update);
- spin_lock_init(&(*nhe)->encap_list_lock);
- INIT_LIST_HEAD(&(*nhe)->encap_list);
- refcount_set(&(*nhe)->refcnt, 1);
-
- err = mlx5e_rep_neigh_entry_insert(priv, *nhe);
- if (err)
- goto out_free;
- return 0;
-
-out_free:
- kfree(*nhe);
- return err;
-}
-
-int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e)
-{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
- struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
- struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy;
- struct mlx5e_neigh_hash_entry *nhe;
- int err;
-
- err = mlx5_tun_entropy_refcount_inc(tun_entropy, e->reformat_type);
- if (err)
- return err;
-
- mutex_lock(&rpriv->neigh_update.encap_lock);
- nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh);
- if (!nhe) {
- err = mlx5e_rep_neigh_entry_create(priv, e, &nhe);
- if (err) {
- mutex_unlock(&rpriv->neigh_update.encap_lock);
- mlx5_tun_entropy_refcount_dec(tun_entropy,
- e->reformat_type);
- return err;
- }
- }
-
- e->nhe = nhe;
- spin_lock(&nhe->encap_list_lock);
- list_add_rcu(&e->encap_list, &nhe->encap_list);
- spin_unlock(&nhe->encap_list_lock);
-
- mutex_unlock(&rpriv->neigh_update.encap_lock);
-
- return 0;
-}
-
-void mlx5e_rep_encap_entry_detach(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e)
-{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
- struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
- struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy;
-
- if (!e->nhe)
- return;
-
- spin_lock(&e->nhe->encap_list_lock);
- list_del_rcu(&e->encap_list);
- spin_unlock(&e->nhe->encap_list_lock);
-
- mlx5e_rep_neigh_entry_release(e->nhe);
- e->nhe = NULL;
- mlx5_tun_entropy_refcount_dec(tun_entropy, e->reformat_type);
-}
-
static int mlx5e_rep_open(struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
@@ -1225,129 +514,6 @@ static int mlx5e_rep_close(struct net_device *dev)
return ret;
}
-static int
-mlx5e_rep_setup_tc_cls_flower(struct mlx5e_priv *priv,
- struct flow_cls_offload *cls_flower, int flags)
-{
- switch (cls_flower->command) {
- case FLOW_CLS_REPLACE:
- return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
- flags);
- case FLOW_CLS_DESTROY:
- return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
- flags);
- case FLOW_CLS_STATS:
- return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
- flags);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static
-int mlx5e_rep_setup_tc_cls_matchall(struct mlx5e_priv *priv,
- struct tc_cls_matchall_offload *ma)
-{
- switch (ma->command) {
- case TC_CLSMATCHALL_REPLACE:
- return mlx5e_tc_configure_matchall(priv, ma);
- case TC_CLSMATCHALL_DESTROY:
- return mlx5e_tc_delete_matchall(priv, ma);
- case TC_CLSMATCHALL_STATS:
- mlx5e_tc_stats_matchall(priv, ma);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlx5e_rep_setup_tc_cb(enum tc_setup_type type, void *type_data,
- void *cb_priv)
-{
- unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(ESW_OFFLOAD);
- struct mlx5e_priv *priv = cb_priv;
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- return mlx5e_rep_setup_tc_cls_flower(priv, type_data, flags);
- case TC_SETUP_CLSMATCHALL:
- return mlx5e_rep_setup_tc_cls_matchall(priv, type_data);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlx5e_rep_setup_ft_cb(enum tc_setup_type type, void *type_data,
- void *cb_priv)
-{
- struct flow_cls_offload tmp, *f = type_data;
- struct mlx5e_priv *priv = cb_priv;
- struct mlx5_eswitch *esw;
- unsigned long flags;
- int err;
-
- flags = MLX5_TC_FLAG(INGRESS) |
- MLX5_TC_FLAG(ESW_OFFLOAD) |
- MLX5_TC_FLAG(FT_OFFLOAD);
- esw = priv->mdev->priv.eswitch;
-
- switch (type) {
- case TC_SETUP_CLSFLOWER:
- memcpy(&tmp, f, sizeof(*f));
-
- if (!mlx5_esw_chains_prios_supported(esw))
- return -EOPNOTSUPP;
-
- /* Re-use tc offload path by moving the ft flow to the
- * reserved ft chain.
- *
- * FT offload can use prio range [0, INT_MAX], so we normalize
- * it to range [1, mlx5_esw_chains_get_prio_range(esw)]
- * as with tc, where prio 0 isn't supported.
- *
- * We only support chain 0 of FT offload.
- */
- if (tmp.common.prio >= mlx5_esw_chains_get_prio_range(esw))
- return -EOPNOTSUPP;
- if (tmp.common.chain_index != 0)
- return -EOPNOTSUPP;
-
- tmp.common.chain_index = mlx5_esw_chains_get_ft_chain(esw);
- tmp.common.prio++;
- err = mlx5e_rep_setup_tc_cls_flower(priv, &tmp, flags);
- memcpy(&f->stats, &tmp.stats, sizeof(f->stats));
- return err;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static LIST_HEAD(mlx5e_rep_block_tc_cb_list);
-static LIST_HEAD(mlx5e_rep_block_ft_cb_list);
-static int mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
- void *type_data)
-{
- struct mlx5e_priv *priv = netdev_priv(dev);
- struct flow_block_offload *f = type_data;
-
- f->unlocked_driver_cb = true;
-
- switch (type) {
- case TC_SETUP_BLOCK:
- return flow_block_cb_setup_simple(type_data,
- &mlx5e_rep_block_tc_cb_list,
- mlx5e_rep_setup_tc_cb,
- priv, priv, true);
- case TC_SETUP_FT:
- return flow_block_cb_setup_simple(type_data,
- &mlx5e_rep_block_ft_cb_list,
- mlx5e_rep_setup_ft_cb,
- priv, priv, true);
- default:
- return -EOPNOTSUPP;
- }
-}
-
bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
{
struct mlx5e_rep_priv *rpriv = priv->ppriv;
@@ -1484,13 +650,9 @@ bool mlx5e_eswitch_uplink_rep(struct net_device *netdev)
return netdev->netdev_ops == &mlx5e_netdev_ops_uplink_rep;
}
-bool mlx5e_eswitch_rep(struct net_device *netdev)
+bool mlx5e_eswitch_vf_rep(struct net_device *netdev)
{
- if (netdev->netdev_ops == &mlx5e_netdev_ops_rep ||
- netdev->netdev_ops == &mlx5e_netdev_ops_uplink_rep)
- return true;
-
- return false;
+ return netdev->netdev_ops == &mlx5e_netdev_ops_rep;
}
static void mlx5e_build_rep_params(struct net_device *netdev)
@@ -1544,10 +706,7 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev)
/* we want a persistent mac for the uplink rep */
mlx5_query_mac_address(mdev, netdev->dev_addr);
netdev->ethtool_ops = &mlx5e_uplink_rep_ethtool_ops;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
- if (MLX5_CAP_GEN(mdev, qos))
- netdev->dcbnl_ops = &mlx5e_dcbnl_ops;
-#endif
+ mlx5e_dcbnl_build_rep_netdev(netdev);
} else {
netdev->netdev_ops = &mlx5e_netdev_ops_rep;
eth_hw_addr_random(netdev);
@@ -1695,6 +854,24 @@ static int mlx5e_create_rep_vport_rx_rule(struct mlx5e_priv *priv)
return 0;
}
+static void rep_vport_rx_rule_destroy(struct mlx5e_priv *priv)
+{
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
+
+ if (!rpriv->vport_rx_rule)
+ return;
+
+ mlx5_del_flow_rules(rpriv->vport_rx_rule);
+ rpriv->vport_rx_rule = NULL;
+}
+
+int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup)
+{
+ rep_vport_rx_rule_destroy(priv);
+
+ return cleanup ? 0 : mlx5e_create_rep_vport_rx_rule(priv);
+}
+
static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
@@ -1747,7 +924,7 @@ err_destroy_ttc_table:
err_destroy_direct_tirs:
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
err_destroy_indirect_tirs:
- mlx5e_destroy_indirect_tirs(priv, false);
+ mlx5e_destroy_indirect_tirs(priv);
err_destroy_direct_rqts:
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
err_destroy_indirect_rqts:
@@ -1759,13 +936,11 @@ err_close_drop_rq:
static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
{
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
-
- mlx5_del_flow_rules(rpriv->vport_rx_rule);
+ rep_vport_rx_rule_destroy(priv);
mlx5e_destroy_rep_root_ft(priv);
mlx5e_destroy_ttc_table(priv, &priv->fs.ttc);
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
- mlx5e_destroy_indirect_tirs(priv, false);
+ mlx5e_destroy_indirect_tirs(priv);
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
mlx5e_destroy_rqt(priv, &priv->indir_rqt);
mlx5e_close_drop_rq(&priv->drop_rq);
@@ -1773,19 +948,14 @@ static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv)
{
- int err = mlx5e_init_rep_rx(priv);
-
- if (err)
- return err;
-
mlx5e_create_q_counters(priv);
- return 0;
+ return mlx5e_init_rep_rx(priv);
}
static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv)
{
- mlx5e_destroy_q_counters(priv);
mlx5e_cleanup_rep_rx(priv);
+ mlx5e_destroy_q_counters(priv);
}
static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
@@ -1799,31 +969,25 @@ static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
priv = netdev_priv(netdev);
uplink_priv = &rpriv->uplink_priv;
- mutex_init(&uplink_priv->unready_flows_lock);
- INIT_LIST_HEAD(&uplink_priv->unready_flows);
-
- /* init shared tc flow table */
- err = mlx5e_tc_esw_init(&uplink_priv->tc_ht);
+ err = mlx5e_rep_tc_init(rpriv);
if (err)
return err;
mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev);
- /* init indirect block notifications */
- INIT_LIST_HEAD(&uplink_priv->tc_indr_block_priv_list);
- uplink_priv->netdevice_nb.notifier_call = mlx5e_nic_rep_netdevice_event;
- err = register_netdevice_notifier_dev_net(rpriv->netdev,
- &uplink_priv->netdevice_nb,
- &uplink_priv->netdevice_nn);
+ mlx5e_rep_bond_init(rpriv);
+ err = mlx5e_rep_tc_netdevice_event_register(rpriv);
if (err) {
- mlx5_core_err(priv->mdev, "Failed to register netdev notifier\n");
- goto tc_esw_cleanup;
+ mlx5_core_err(priv->mdev, "Failed to register netdev notifier, err: %d\n",
+ err);
+ goto err_event_reg;
}
return 0;
-tc_esw_cleanup:
- mlx5e_tc_esw_cleanup(&uplink_priv->tc_ht);
+err_event_reg:
+ mlx5e_rep_bond_cleanup(rpriv);
+ mlx5e_rep_tc_cleanup(rpriv);
return err;
}
@@ -1853,17 +1017,9 @@ destroy_tises:
static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv)
{
- struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv;
-
- /* clean indirect TC block notifications */
- unregister_netdevice_notifier_dev_net(rpriv->netdev,
- &uplink_priv->netdevice_nb,
- &uplink_priv->netdevice_nn);
- mlx5e_rep_indr_clean_block_privs(rpriv);
-
- /* delete shared tc flow table */
- mlx5e_tc_esw_cleanup(&rpriv->uplink_priv.tc_ht);
- mutex_destroy(&rpriv->uplink_priv.unready_flows_lock);
+ mlx5e_rep_tc_netdevice_event_unregister(rpriv);
+ mlx5e_rep_bond_cleanup(rpriv);
+ mlx5e_rep_tc_cleanup(rpriv);
}
static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv)
@@ -1905,13 +1061,8 @@ static int uplink_rep_async_event(struct notifier_block *nb, unsigned long event
return NOTIFY_OK;
}
- if (event == MLX5_DEV_EVENT_PORT_AFFINITY) {
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
-
- queue_work(priv->wq, &rpriv->uplink_priv.reoffload_flows_work);
-
- return NOTIFY_OK;
- }
+ if (event == MLX5_DEV_EVENT_PORT_AFFINITY)
+ return mlx5e_rep_tc_event_port_affinity(priv);
return NOTIFY_DONE;
}
@@ -1920,7 +1071,6 @@ static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
{
struct net_device *netdev = priv->netdev;
struct mlx5_core_dev *mdev = priv->mdev;
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
u16 max_mtu;
netdev->min_mtu = ETH_MIN_MTU;
@@ -1928,28 +1078,22 @@ static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv)
netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu);
mlx5e_set_dev_port_mtu(priv);
- INIT_WORK(&rpriv->uplink_priv.reoffload_flows_work,
- mlx5e_tc_reoffload_flows_work);
+ mlx5e_rep_tc_enable(priv);
mlx5_lag_add(mdev, netdev);
priv->events_nb.notifier_call = uplink_rep_async_event;
mlx5_notifier_register(mdev, &priv->events_nb);
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_initialize(priv);
mlx5e_dcbnl_init_app(priv);
-#endif
}
static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
- struct mlx5e_rep_priv *rpriv = priv->ppriv;
-#ifdef CONFIG_MLX5_CORE_EN_DCB
mlx5e_dcbnl_delete_app(priv);
-#endif
mlx5_notifier_unregister(mdev, &priv->events_nb);
- cancel_work_sync(&rpriv->uplink_priv.reoffload_flows_work);
+ mlx5e_rep_tc_disable(priv);
mlx5_lag_remove(mdev);
}
@@ -2056,26 +1200,22 @@ static int register_devlink_port(struct mlx5_core_dev *dev,
return 0;
mlx5e_rep_get_port_parent_id(rpriv->netdev, &ppid);
+ dl_port_index = vport_to_devlink_port_index(dev, rep->vport);
pfnum = PCI_FUNC(dev->pdev->devfn);
- if (rep->vport == MLX5_VPORT_UPLINK) {
+ if (rep->vport == MLX5_VPORT_UPLINK)
devlink_port_attrs_set(&rpriv->dl_port,
DEVLINK_PORT_FLAVOUR_PHYSICAL,
pfnum, false, 0,
&ppid.id[0], ppid.id_len);
- dl_port_index = vport_to_devlink_port_index(dev, rep->vport);
- } else if (rep->vport == MLX5_VPORT_PF) {
+ else if (rep->vport == MLX5_VPORT_PF)
devlink_port_attrs_pci_pf_set(&rpriv->dl_port,
&ppid.id[0], ppid.id_len,
pfnum);
- dl_port_index = rep->vport;
- } else if (mlx5_eswitch_is_vf_vport(dev->priv.eswitch,
- rpriv->rep->vport)) {
+ else if (mlx5_eswitch_is_vf_vport(dev->priv.eswitch, rpriv->rep->vport))
devlink_port_attrs_pci_vf_set(&rpriv->dl_port,
&ppid.id[0], ppid.id_len,
pfnum, rep->vport - 1);
- dl_port_index = vport_to_devlink_port_index(dev, rep->vport);
- }
return devlink_port_register(devlink, &rpriv->dl_port, dl_port_index);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
index 6a2337900420..1d5669801484 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h
@@ -56,6 +56,7 @@ struct mlx5e_neigh_update_table {
};
struct mlx5_tc_ct_priv;
+struct mlx5e_rep_bond;
struct mlx5_rep_uplink_priv {
/* Filters DB - instantiated by the uplink representor and shared by
* the uplink's VFs
@@ -68,13 +69,8 @@ struct mlx5_rep_uplink_priv {
* tc_indr_block_cb_priv_list is used to lookup indirect callback
* private data
*
- * netdevice_nb is the netdev events notifier - used to register
- * tunnel devices for block events
- *
*/
struct list_head tc_indr_block_priv_list;
- struct notifier_block netdevice_nb;
- struct netdev_net_notifier netdevice_nn;
struct mlx5_tun_entropy tun_entropy;
@@ -89,6 +85,9 @@ struct mlx5_rep_uplink_priv {
struct mapping_ctx *tunnel_enc_opts_mapping;
struct mlx5_tc_ct_priv *ct_priv;
+
+ /* support eswitch vports bonding */
+ struct mlx5e_rep_bond *bond;
};
struct mlx5e_rep_priv {
@@ -158,6 +157,22 @@ struct mlx5e_neigh_hash_entry {
enum {
/* set when the encap entry is successfully offloaded into HW */
MLX5_ENCAP_ENTRY_VALID = BIT(0),
+ MLX5_REFORMAT_DECAP = BIT(1),
+};
+
+struct mlx5e_decap_key {
+ struct ethhdr key;
+};
+
+struct mlx5e_decap_entry {
+ struct mlx5e_decap_key key;
+ struct list_head flows;
+ struct hlist_node hlist;
+ refcount_t refcnt;
+ struct completion res_ready;
+ int compl_result;
+ struct mlx5_pkt_reformat *pkt_reformat;
+ struct rcu_head rcu;
};
struct mlx5e_encap_entry {
@@ -195,6 +210,15 @@ struct mlx5e_rep_sq {
void mlx5e_rep_register_vport_reps(struct mlx5_core_dev *mdev);
void mlx5e_rep_unregister_vport_reps(struct mlx5_core_dev *mdev);
+int mlx5e_rep_bond_init(struct mlx5e_rep_priv *rpriv);
+void mlx5e_rep_bond_cleanup(struct mlx5e_rep_priv *rpriv);
+int mlx5e_rep_bond_enslave(struct mlx5_eswitch *esw, struct net_device *netdev,
+ struct net_device *lag_dev);
+void mlx5e_rep_bond_unslave(struct mlx5_eswitch *esw,
+ const struct net_device *netdev,
+ const struct net_device *lag_dev);
+int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup);
+
bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv);
int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv);
void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv);
@@ -203,15 +227,15 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
struct mlx5_cqe64 *cqe);
-int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e);
-void mlx5e_rep_encap_entry_detach(struct mlx5e_priv *priv,
- struct mlx5e_encap_entry *e);
-
void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv);
-bool mlx5e_eswitch_rep(struct net_device *netdev);
+bool mlx5e_eswitch_vf_rep(struct net_device *netdev);
bool mlx5e_eswitch_uplink_rep(struct net_device *netdev);
+static inline bool mlx5e_eswitch_rep(struct net_device *netdev)
+{
+ return mlx5e_eswitch_vf_rep(netdev) ||
+ mlx5e_eswitch_uplink_rep(netdev);
+}
#else /* CONFIG_MLX5_ESWITCH */
static inline bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv) { return false; }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 6173faf542b0..dbb1c6323967 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -42,6 +42,7 @@
#include "en_tc.h"
#include "eswitch.h"
#include "en_rep.h"
+#include "en/rep/tc.h"
#include "ipoib/ipoib.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/tls_rxtx.h"
@@ -300,7 +301,7 @@ static inline void mlx5e_page_release(struct mlx5e_rq *rq,
* put into the Reuse Ring, because there is no way to return
* the page to the userspace when the interface goes down.
*/
- mlx5e_xsk_page_release(rq, dma_info);
+ xsk_buff_free(dma_info->xsk);
else
mlx5e_page_release_dynamic(rq, dma_info, recycle);
}
@@ -385,7 +386,11 @@ static int mlx5e_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, u8 wqe_bulk)
if (rq->umem) {
int pages_desired = wqe_bulk << rq->wqe.info.log_num_frags;
- if (unlikely(!mlx5e_xsk_pages_enough_umem(rq, pages_desired)))
+ /* Check in advance that we have enough frames, instead of
+ * allocating one-by-one, failing and moving frames to the
+ * Reuse Ring.
+ */
+ if (unlikely(!xsk_buff_can_alloc(rq->umem, pages_desired)))
return -ENOMEM;
}
@@ -468,22 +473,6 @@ static void mlx5e_post_rx_mpwqe(struct mlx5e_rq *rq, u8 n)
mlx5_wq_ll_update_db_record(wq);
}
-static inline void mlx5e_fill_icosq_frag_edge(struct mlx5e_icosq *sq,
- struct mlx5_wq_cyc *wq,
- u16 pi, u16 nnops)
-{
- struct mlx5e_sq_wqe_info *edge_wi, *wi = &sq->db.ico_wqe[pi];
-
- edge_wi = wi + nnops;
-
- /* fill sq frag edge with nops to avoid wqe wrapping two pages */
- for (; wi < edge_wi; wi++) {
- wi->opcode = MLX5_OPCODE_NOP;
- wi->num_wqebbs = 1;
- mlx5e_post_nop(wq, sq->sqn, &sq->pc);
- }
-}
-
static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
{
struct mlx5e_mpw_info *wi = &rq->mpwqe.info[ix];
@@ -492,23 +481,20 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
struct mlx5_wq_cyc *wq = &sq->wq;
struct mlx5e_umr_wqe *umr_wqe;
u16 xlt_offset = ix << (MLX5E_LOG_ALIGNED_MPWQE_PPW - 1);
- u16 pi, contig_wqebbs_room;
+ u16 pi;
int err;
int i;
+ /* Check in advance that we have enough frames, instead of allocating
+ * one-by-one, failing and moving frames to the Reuse Ring.
+ */
if (rq->umem &&
- unlikely(!mlx5e_xsk_pages_enough_umem(rq, MLX5_MPWRQ_PAGES_PER_WQE))) {
+ unlikely(!xsk_buff_can_alloc(rq->umem, MLX5_MPWRQ_PAGES_PER_WQE))) {
err = -ENOMEM;
goto err;
}
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
- if (unlikely(contig_wqebbs_room < MLX5E_UMR_WQEBBS)) {
- mlx5e_fill_icosq_frag_edge(sq, wq, pi, contig_wqebbs_room);
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- }
-
+ pi = mlx5e_icosq_get_next_pi(sq, MLX5E_UMR_WQEBBS);
umr_wqe = mlx5_wq_cyc_get_wqe(wq, pi);
memcpy(umr_wqe, &rq->mpwqe.umr_wqe, offsetof(struct mlx5e_umr_wqe, inline_mtts));
@@ -527,9 +513,12 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
MLX5_OPCODE_UMR);
umr_wqe->uctrl.xlt_offset = cpu_to_be16(xlt_offset);
- sq->db.ico_wqe[pi].opcode = MLX5_OPCODE_UMR;
- sq->db.ico_wqe[pi].num_wqebbs = MLX5E_UMR_WQEBBS;
- sq->db.ico_wqe[pi].umr.rq = rq;
+ sq->db.wqe_info[pi] = (struct mlx5e_icosq_wqe_info) {
+ .wqe_type = MLX5E_ICOSQ_WQE_UMR_RX,
+ .num_wqebbs = MLX5E_UMR_WQEBBS,
+ .umr.rq = rq,
+ };
+
sq->pc += MLX5E_UMR_WQEBBS;
sq->doorbell_cseg = &umr_wqe->ctrl;
@@ -589,7 +578,7 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
return !!err;
}
-void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
+int mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
{
struct mlx5e_icosq *sq = container_of(cq, struct mlx5e_icosq, cq);
struct mlx5_cqe64 *cqe;
@@ -597,11 +586,11 @@ void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
int i;
if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state)))
- return;
+ return 0;
cqe = mlx5_cqwq_get_cqe(&cq->wq);
if (likely(!cqe))
- return;
+ return 0;
/* sq->cc must be updated only after mlx5_cqwq_update_db_record(),
* otherwise a cq overrun may occur
@@ -618,38 +607,45 @@ void mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
wqe_counter = be16_to_cpu(cqe->wqe_counter);
do {
- struct mlx5e_sq_wqe_info *wi;
+ struct mlx5e_icosq_wqe_info *wi;
u16 ci;
last_wqe = (sqcc == wqe_counter);
ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
- wi = &sq->db.ico_wqe[ci];
+ wi = &sq->db.wqe_info[ci];
sqcc += wi->num_wqebbs;
if (last_wqe && unlikely(get_cqe_opcode(cqe) != MLX5_CQE_REQ)) {
netdev_WARN_ONCE(cq->channel->netdev,
"Bad OP in ICOSQ CQE: 0x%x\n",
get_cqe_opcode(cqe));
+ mlx5e_dump_error_cqe(&sq->cq, sq->sqn,
+ (struct mlx5_err_cqe *)cqe);
if (!test_and_set_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state))
queue_work(cq->channel->priv->wq, &sq->recover_work);
break;
}
- if (likely(wi->opcode == MLX5_OPCODE_UMR))
+ switch (wi->wqe_type) {
+ case MLX5E_ICOSQ_WQE_UMR_RX:
wi->umr.rq->mpwqe.umr_completed++;
- else if (unlikely(wi->opcode != MLX5_OPCODE_NOP))
+ break;
+ case MLX5E_ICOSQ_WQE_NOP:
+ break;
+ default:
netdev_WARN_ONCE(cq->channel->netdev,
- "Bad OPCODE in ICOSQ WQE info: 0x%x\n",
- wi->opcode);
-
+ "Bad WQE type in ICOSQ WQE info: 0x%x\n",
+ wi->wqe_type);
+ }
} while (!last_wqe);
-
} while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq)));
sq->cc = sqcc;
mlx5_cqwq_update_db_record(&cq->wq);
+
+ return i;
}
bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq)
@@ -1056,12 +1052,24 @@ struct sk_buff *mlx5e_build_linear_skb(struct mlx5e_rq *rq, void *va,
return skb;
}
+static void mlx5e_fill_xdp_buff(struct mlx5e_rq *rq, void *va, u16 headroom,
+ u32 len, struct xdp_buff *xdp)
+{
+ xdp->data_hard_start = va;
+ xdp->data = va + headroom;
+ xdp_set_data_meta_invalid(xdp);
+ xdp->data_end = xdp->data + len;
+ xdp->rxq = &rq->xdp_rxq;
+ xdp->frame_sz = rq->buff.frame0_sz;
+}
+
struct sk_buff *
mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt)
{
struct mlx5e_dma_info *di = wi->di;
u16 rx_headroom = rq->buff.headroom;
+ struct xdp_buff xdp;
struct sk_buff *skb;
void *va, *data;
bool consumed;
@@ -1077,11 +1085,14 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
prefetch(data);
rcu_read_lock();
- consumed = mlx5e_xdp_handle(rq, di, va, &rx_headroom, &cqe_bcnt, false);
+ mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt, &xdp);
+ consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt, &xdp);
rcu_read_unlock();
if (consumed)
return NULL; /* page/packet was consumed by XDP */
+ rx_headroom = xdp.data - xdp.data_hard_start;
+ frag_size = MLX5_SKB_FRAG_SZ(rx_headroom + cqe_bcnt);
skb = mlx5e_build_linear_skb(rq, va, frag_size, rx_headroom, cqe_bcnt);
if (unlikely(!skb))
return NULL;
@@ -1227,12 +1238,12 @@ void mlx5e_handle_rx_cqe_rep(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
if (rep->vlan && skb_vlan_tag_present(skb))
skb_vlan_pop(skb);
- if (!mlx5e_tc_rep_update_skb(cqe, skb, &tc_priv))
+ if (!mlx5e_rep_tc_update_skb(cqe, skb, &tc_priv))
goto free_wqe;
napi_gro_receive(rq->cq.napi, skb);
- mlx5_tc_rep_post_napi_receive(&tc_priv);
+ mlx5_rep_tc_post_napi_receive(&tc_priv);
free_wqe:
mlx5e_free_rx_wqe(rq, wi, true);
@@ -1283,12 +1294,12 @@ void mlx5e_handle_rx_cqe_mpwrq_rep(struct mlx5e_rq *rq,
mlx5e_complete_rx_cqe(rq, cqe, cqe_bcnt, skb);
- if (!mlx5e_tc_rep_update_skb(cqe, skb, &tc_priv))
+ if (!mlx5e_rep_tc_update_skb(cqe, skb, &tc_priv))
goto mpwrq_cqe_out;
napi_gro_receive(rq->cq.napi, skb);
- mlx5_tc_rep_post_napi_receive(&tc_priv);
+ mlx5_rep_tc_post_napi_receive(&tc_priv);
mpwrq_cqe_out:
if (likely(wi->consumed_strides < rq->mpwqe.num_strides))
@@ -1354,6 +1365,7 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
struct mlx5e_dma_info *di = &wi->umr.dma_info[page_idx];
u16 rx_headroom = rq->buff.headroom;
u32 cqe_bcnt32 = cqe_bcnt;
+ struct xdp_buff xdp;
struct sk_buff *skb;
void *va, *data;
u32 frag_size;
@@ -1375,7 +1387,8 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
prefetch(data);
rcu_read_lock();
- consumed = mlx5e_xdp_handle(rq, di, va, &rx_headroom, &cqe_bcnt32, false);
+ mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt32, &xdp);
+ consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt32, &xdp);
rcu_read_unlock();
if (consumed) {
if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags))
@@ -1383,6 +1396,8 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
return NULL; /* page/packet was consumed by XDP */
}
+ rx_headroom = xdp.data - xdp.data_hard_start;
+ frag_size = MLX5_SKB_FRAG_SZ(rx_headroom + cqe_bcnt32);
skb = mlx5e_build_linear_skb(rq, va, frag_size, rx_headroom, cqe_bcnt32);
if (unlikely(!skb))
return NULL;
@@ -1499,6 +1514,7 @@ out:
#ifdef CONFIG_MLX5_CORE_IPOIB
+#define MLX5_IB_GRH_SGID_OFFSET 8
#define MLX5_IB_GRH_DGID_OFFSET 24
#define MLX5_GID_SIZE 16
@@ -1512,6 +1528,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
struct net_device *netdev;
struct mlx5e_priv *priv;
char *pseudo_header;
+ u32 flags_rqpn;
u32 qpn;
u8 *dgid;
u8 g;
@@ -1533,7 +1550,8 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
tstamp = &priv->tstamp;
stats = &priv->channel_stats[rq->ix].rq;
- g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3;
+ flags_rqpn = be32_to_cpu(cqe->flags_rqpn);
+ g = (flags_rqpn >> 28) & 3;
dgid = skb->data + MLX5_IB_GRH_DGID_OFFSET;
if ((!g) || dgid[0] != 0xff)
skb->pkt_type = PACKET_HOST;
@@ -1542,9 +1560,15 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq,
else
skb->pkt_type = PACKET_MULTICAST;
- /* TODO: IB/ipoib: Allow mcast packets from other VFs
- * 68996a6e760e5c74654723eeb57bf65628ae87f4
+ /* Drop packets that this interface sent, ie multicast packets
+ * that the HCA has replicated.
*/
+ if (g && (qpn == (flags_rqpn & 0xffffff)) &&
+ (memcmp(netdev->dev_addr + 4, skb->data + MLX5_IB_GRH_SGID_OFFSET,
+ MLX5_GID_SIZE) == 0)) {
+ skb->dev = NULL;
+ return;
+ }
skb_pull(skb, MLX5_IB_GRH_BYTES);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
index bbff8d8ded76..46790216ce86 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
@@ -234,7 +234,7 @@ static int mlx5e_test_loopback_setup(struct mlx5e_priv *priv,
return err;
}
- err = mlx5e_refresh_tirs(priv, true);
+ err = mlx5e_refresh_tirs(priv, true, false);
if (err)
goto out;
@@ -263,7 +263,7 @@ static void mlx5e_test_loopback_cleanup(struct mlx5e_priv *priv,
mlx5_nic_vport_update_local_lb(priv->mdev, false);
dev_remove_pack(&lbtp->pt);
- mlx5e_refresh_tirs(priv, false);
+ mlx5e_refresh_tirs(priv, false, false);
}
#define MLX5E_LB_VERIFY_TIMEOUT (msecs_to_jiffies(200))
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index 30b216d9284c..f009fe09e99b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -32,8 +32,8 @@
#include "lib/mlx5.h"
#include "en.h"
-#include "en_accel/ipsec.h"
#include "en_accel/tls.h"
+#include "en_accel/en_accel.h"
static unsigned int stats_grps_num(struct mlx5e_priv *priv)
{
@@ -411,18 +411,29 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(qcnt)
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(qcnt)
{
struct mlx5e_qcounter_stats *qcnt = &priv->stats.qcnt;
- u32 out[MLX5_ST_SZ_DW(query_q_counter_out)];
+ u32 out[MLX5_ST_SZ_DW(query_q_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_q_counter_in)] = {};
+ int ret;
+
+ MLX5_SET(query_q_counter_in, in, opcode, MLX5_CMD_OP_QUERY_Q_COUNTER);
+
+ if (priv->q_counter) {
+ MLX5_SET(query_q_counter_in, in, counter_set_id,
+ priv->q_counter);
+ ret = mlx5_cmd_exec_inout(priv->mdev, query_q_counter, in, out);
+ if (!ret)
+ qcnt->rx_out_of_buffer = MLX5_GET(query_q_counter_out,
+ out, out_of_buffer);
+ }
- if (priv->q_counter &&
- !mlx5_core_query_q_counter(priv->mdev, priv->q_counter, 0, out,
- sizeof(out)))
- qcnt->rx_out_of_buffer = MLX5_GET(query_q_counter_out,
- out, out_of_buffer);
- if (priv->drop_rq_q_counter &&
- !mlx5_core_query_q_counter(priv->mdev, priv->drop_rq_q_counter, 0,
- out, sizeof(out)))
- qcnt->rx_if_down_packets = MLX5_GET(query_q_counter_out, out,
- out_of_buffer);
+ if (priv->drop_rq_q_counter) {
+ MLX5_SET(query_q_counter_in, in, counter_set_id,
+ priv->drop_rq_q_counter);
+ ret = mlx5_cmd_exec_inout(priv->mdev, query_q_counter, in, out);
+ if (!ret)
+ qcnt->rx_if_down_packets = MLX5_GET(query_q_counter_out,
+ out, out_of_buffer);
+ }
}
#define VNIC_ENV_OFF(c) MLX5_BYTE_OFF(query_vnic_env_out, c)
@@ -480,18 +491,14 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vnic_env)
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vnic_env)
{
u32 *out = (u32 *)priv->stats.vnic.query_vnic_env_out;
- int outlen = MLX5_ST_SZ_BYTES(query_vnic_env_out);
- u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
struct mlx5_core_dev *mdev = priv->mdev;
if (!MLX5_CAP_GEN(priv->mdev, nic_receive_steering_discard))
return;
- MLX5_SET(query_vnic_env_in, in, opcode,
- MLX5_CMD_OP_QUERY_VNIC_ENV);
- MLX5_SET(query_vnic_env_in, in, op_mod, 0);
- MLX5_SET(query_vnic_env_in, in, other_vport, 0);
- mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
+ MLX5_SET(query_vnic_env_in, in, opcode, MLX5_CMD_OP_QUERY_VNIC_ENV);
+ mlx5_cmd_exec_inout(mdev, query_vnic_env, in, out);
}
#define VPORT_COUNTER_OFF(c) MLX5_BYTE_OFF(query_vport_counter_out, c)
@@ -566,15 +573,12 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport)
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport)
{
- int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
u32 *out = (u32 *)priv->stats.vport.query_vport_out;
- u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {};
struct mlx5_core_dev *mdev = priv->mdev;
MLX5_SET(query_vport_counter_in, in, opcode, MLX5_CMD_OP_QUERY_VPORT_COUNTER);
- MLX5_SET(query_vport_counter_in, in, op_mod, 0);
- MLX5_SET(query_vport_counter_in, in, other_vport, 0);
- mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
+ mlx5_cmd_exec_inout(mdev, query_vport_counter, in, out);
}
#define PPORT_802_3_OFF(c) \
@@ -1424,27 +1428,6 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(pme)
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(pme) { return; }
-static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec)
-{
- return mlx5e_ipsec_get_count(priv);
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec)
-{
- return idx + mlx5e_ipsec_get_strings(priv,
- data + idx * ETH_GSTRING_LEN);
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec)
-{
- return idx + mlx5e_ipsec_get_stats(priv, data + idx);
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec)
-{
- mlx5e_ipsec_update_stats(priv);
-}
-
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(tls)
{
return mlx5e_tls_get_count(priv);
@@ -1714,7 +1697,6 @@ MLX5E_DEFINE_STATS_GRP(pme, 0);
MLX5E_DEFINE_STATS_GRP(channels, 0);
MLX5E_DEFINE_STATS_GRP(per_port_buff_congest, 0);
MLX5E_DEFINE_STATS_GRP(eth_ext, 0);
-static MLX5E_DEFINE_STATS_GRP(ipsec, 0);
static MLX5E_DEFINE_STATS_GRP(tls, 0);
/* The stats groups order is opposite to the update_stats() order calls */
@@ -1731,7 +1713,10 @@ mlx5e_stats_grp_t mlx5e_nic_stats_grps[] = {
&MLX5E_STATS_GRP(pcie),
&MLX5E_STATS_GRP(per_prio),
&MLX5E_STATS_GRP(pme),
- &MLX5E_STATS_GRP(ipsec),
+#ifdef CONFIG_MLX5_EN_IPSEC
+ &MLX5E_STATS_GRP(ipsec_sw),
+ &MLX5E_STATS_GRP(ipsec_hw),
+#endif
&MLX5E_STATS_GRP(tls),
&MLX5E_STATS_GRP(channels),
&MLX5E_STATS_GRP(per_port_buff_congest),
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index 092b39ffa32a..2b83ba990714 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -390,5 +390,7 @@ extern MLX5E_DECLARE_STATS_GRP(per_prio);
extern MLX5E_DECLARE_STATS_GRP(pme);
extern MLX5E_DECLARE_STATS_GRP(channels);
extern MLX5E_DECLARE_STATS_GRP(per_port_buff_congest);
+extern MLX5E_DECLARE_STATS_GRP(ipsec_hw);
+extern MLX5E_DECLARE_STATS_GRP(ipsec_sw);
#endif /* __MLX5_EN_STATS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index a574c588269a..7fc84f58e28a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -31,6 +31,7 @@
*/
#include <net/flow_dissector.h>
+#include <net/flow_offload.h>
#include <net/sch_generic.h>
#include <net/pkt_cls.h>
#include <net/tc_act/tc_gact.h>
@@ -45,10 +46,15 @@
#include <net/tc_act/tc_tunnel_key.h>
#include <net/tc_act/tc_pedit.h>
#include <net/tc_act/tc_csum.h>
+#include <net/tc_act/tc_mpls.h>
#include <net/arp.h>
#include <net/ipv6_stubs.h>
+#include <net/bareudp.h>
+#include <net/bonding.h>
#include "en.h"
#include "en_rep.h"
+#include "en/rep/tc.h"
+#include "en/rep/neigh.h"
#include "en_tc.h"
#include "eswitch.h"
#include "esw/chains.h"
@@ -61,7 +67,7 @@
#include "lib/geneve.h"
#include "diag/en_tc_tracepoint.h"
-#define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto)
+#define MLX5_MH_ACT_SZ MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)
struct mlx5_nic_flow_attr {
u32 action;
@@ -89,6 +95,7 @@ enum {
MLX5E_TC_FLOW_FLAG_NOT_READY = MLX5E_TC_FLOW_BASE + 5,
MLX5E_TC_FLOW_FLAG_DELETED = MLX5E_TC_FLOW_BASE + 6,
MLX5E_TC_FLOW_FLAG_CT = MLX5E_TC_FLOW_BASE + 7,
+ MLX5E_TC_FLOW_FLAG_L3_TO_L2_DECAP = MLX5E_TC_FLOW_BASE + 8,
};
#define MLX5E_TC_MAX_SPLITS 1
@@ -122,6 +129,11 @@ struct mlx5e_tc_flow {
u64 cookie;
unsigned long flags;
struct mlx5_flow_handle *rule[MLX5E_TC_MAX_SPLITS + 1];
+
+ /* flows sharing the same reformat object - currently mpls decap */
+ struct list_head l3_to_l2_reformat;
+ struct mlx5e_decap_entry *decap_reformat;
+
/* Flow can be associated with multiple encap IDs.
* The number of encaps is bounded by the number of supported
* destinations.
@@ -134,6 +146,7 @@ struct mlx5e_tc_flow {
struct list_head hairpin; /* flows sharing the same hairpin */
struct list_head peer; /* flows with peer flow */
struct list_head unready; /* flows not ready to be offloaded (e.g due to missing route) */
+ struct net_device *orig_dev; /* netdev adding flow first */
int tmp_efi_index;
struct list_head tmp_list; /* temporary flow list used by neigh update */
refcount_t refcnt;
@@ -153,35 +166,12 @@ struct mlx5e_tc_flow_parse_attr {
struct mlx5_flow_spec spec;
struct mlx5e_tc_mod_hdr_acts mod_hdr_acts;
int mirred_ifindex[MLX5_MAX_FLOW_FWD_VPORTS];
+ struct ethhdr eth;
};
#define MLX5E_TC_TABLE_NUM_GROUPS 4
#define MLX5E_TC_TABLE_MAX_GROUP_SIZE BIT(16)
-struct tunnel_match_key {
- struct flow_dissector_key_control enc_control;
- struct flow_dissector_key_keyid enc_key_id;
- struct flow_dissector_key_ports enc_tp;
- struct flow_dissector_key_ip enc_ip;
- union {
- struct flow_dissector_key_ipv4_addrs enc_ipv4;
- struct flow_dissector_key_ipv6_addrs enc_ipv6;
- };
-
- int filter_ifindex;
-};
-
-/* Tunnel_id mapping is TUNNEL_INFO_BITS + ENC_OPTS_BITS.
- * Upper TUNNEL_INFO_BITS for general tunnel info.
- * Lower ENC_OPTS_BITS bits for enc_opts.
- */
-#define TUNNEL_INFO_BITS 6
-#define TUNNEL_INFO_BITS_MASK GENMASK(TUNNEL_INFO_BITS - 1, 0)
-#define ENC_OPTS_BITS 2
-#define ENC_OPTS_BITS_MASK GENMASK(ENC_OPTS_BITS - 1, 0)
-#define TUNNEL_ID_BITS (TUNNEL_INFO_BITS + ENC_OPTS_BITS)
-#define TUNNEL_ID_MASK GENMASK(TUNNEL_ID_BITS - 1, 0)
-
struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = {
[CHAIN_TO_REG] = {
.mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0,
@@ -220,8 +210,8 @@ mlx5e_tc_match_to_reg_match(struct mlx5_flow_spec *spec,
fmask = headers_c + soffset;
fval = headers_v + soffset;
- mask = cpu_to_be32(mask) >> (32 - (match_len * 8));
- data = cpu_to_be32(data) >> (32 - (match_len * 8));
+ mask = (__force u32)(cpu_to_be32(mask)) >> (32 - (match_len * 8));
+ data = (__force u32)(cpu_to_be32(data)) >> (32 - (match_len * 8));
memcpy(fmask, &mask, match_len);
memcpy(fval, &data, match_len);
@@ -568,7 +558,7 @@ struct mlx5_core_dev *mlx5e_hairpin_get_mdev(struct net *net, int ifindex)
static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp)
{
- u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(create_tir_in)] = {};
void *tirc;
int err;
@@ -582,7 +572,7 @@ static int mlx5e_hairpin_create_transport(struct mlx5e_hairpin *hp)
MLX5_SET(tirc, tirc, inline_rqn, hp->pair->rqn[0]);
MLX5_SET(tirc, tirc, transport_domain, hp->tdn);
- err = mlx5_core_create_tir(hp->func_mdev, in, MLX5_ST_SZ_BYTES(create_tir_in), &hp->tirn);
+ err = mlx5_core_create_tir(hp->func_mdev, in, &hp->tirn);
if (err)
goto create_tir_err;
@@ -666,7 +656,7 @@ static int mlx5e_hairpin_create_indirect_tirs(struct mlx5e_hairpin *hp)
mlx5e_build_indir_tir_ctx_hash(&priv->rss_params, &ttconfig, tirc, false);
err = mlx5_core_create_tir(hp->func_mdev, in,
- MLX5_ST_SZ_BYTES(create_tir_in), &hp->indir_tirn[tt]);
+ &hp->indir_tirn[tt]);
if (err) {
mlx5_core_warn(hp->func_mdev, "create indirect tirs failed, %d\n", err);
goto err_destroy_tirs;
@@ -1092,7 +1082,7 @@ mlx5e_tc_add_nic_flow(struct mlx5e_priv *priv,
if (IS_ERR(priv->fs.tc.t)) {
mutex_unlock(&priv->fs.tc.t_lock);
NL_SET_ERR_MSG_MOD(extack,
- "Failed to create tc offload table\n");
+ "Failed to create tc offload table");
netdev_err(priv->netdev,
"Failed to create tc offload table\n");
return PTR_ERR(priv->fs.tc.t);
@@ -1144,6 +1134,11 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv,
struct netlink_ext_ack *extack,
struct net_device **encap_dev,
bool *encap_valid);
+static int mlx5e_attach_decap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow,
+ struct netlink_ext_ack *extack);
+static void mlx5e_detach_decap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow);
static struct mlx5_flow_handle *
mlx5e_tc_offload_fdb_rules(struct mlx5_eswitch *esw,
@@ -1319,6 +1314,12 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
return -EOPNOTSUPP;
}
+ if (flow_flag_test(flow, L3_TO_L2_DECAP)) {
+ err = mlx5e_attach_decap(priv, flow, extack);
+ if (err)
+ return err;
+ }
+
for (out_index = 0; out_index < MLX5_MAX_FLOW_FWD_VPORTS; out_index++) {
int mirred_ifindex;
@@ -1428,6 +1429,9 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
if (attr->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
mlx5_fc_destroy(attr->counter_dev, attr->counter);
+
+ if (flow_flag_test(flow, L3_TO_L2_DECAP))
+ mlx5e_detach_decap(priv, flow);
}
void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
@@ -1704,6 +1708,17 @@ static void mlx5e_encap_dealloc(struct mlx5e_priv *priv, struct mlx5e_encap_entr
kfree_rcu(e, rcu);
}
+static void mlx5e_decap_dealloc(struct mlx5e_priv *priv,
+ struct mlx5e_decap_entry *d)
+{
+ WARN_ON(!list_empty(&d->flows));
+
+ if (!d->compl_result)
+ mlx5_packet_reformat_dealloc(priv->mdev, d->pkt_reformat);
+
+ kfree_rcu(d, rcu);
+}
+
void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e)
{
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
@@ -1716,6 +1731,18 @@ void mlx5e_encap_put(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e)
mlx5e_encap_dealloc(priv, e);
}
+static void mlx5e_decap_put(struct mlx5e_priv *priv, struct mlx5e_decap_entry *d)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+
+ if (!refcount_dec_and_mutex_lock(&d->refcnt, &esw->offloads.decap_tbl_lock))
+ return;
+ hash_del_rcu(&d->hlist);
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+
+ mlx5e_decap_dealloc(priv, d);
+}
+
static void mlx5e_detach_encap(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow, int out_index)
{
@@ -1739,6 +1766,29 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv,
mlx5e_encap_dealloc(priv, e);
}
+static void mlx5e_detach_decap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct mlx5e_decap_entry *d = flow->decap_reformat;
+
+ if (!d)
+ return;
+
+ mutex_lock(&esw->offloads.decap_tbl_lock);
+ list_del(&flow->l3_to_l2_reformat);
+ flow->decap_reformat = NULL;
+
+ if (!refcount_dec_and_test(&d->refcnt)) {
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+ return;
+ }
+ hash_del_rcu(&d->hlist);
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+
+ mlx5e_decap_dealloc(priv, d);
+}
+
static void __mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow)
{
struct mlx5_eswitch *esw = flow->priv->mdev->priv.eswitch;
@@ -1823,10 +1873,8 @@ enc_opts_is_dont_care_or_full_match(struct mlx5e_priv *priv,
memchr_inv(opt->opt_data, 0, opt->length * 4)) {
*dont_care = false;
- if (opt->opt_class != U16_MAX ||
- opt->type != U8_MAX ||
- memchr_inv(opt->opt_data, 0xFF,
- opt->length * 4)) {
+ if (opt->opt_class != htons(U16_MAX) ||
+ opt->type != U8_MAX) {
NL_SET_ERR_MSG(extack,
"Partial match of tunnel options in chain > 0 isn't supported");
netdev_warn(priv->netdev,
@@ -1863,6 +1911,7 @@ static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv,
struct mlx5_esw_flow_attr *attr = flow->esw_attr;
struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts;
struct flow_match_enc_opts enc_opts_match;
+ struct tunnel_match_enc_opts tun_enc_opts;
struct mlx5_rep_uplink_priv *uplink_priv;
struct mlx5e_rep_priv *uplink_rpriv;
struct tunnel_match_key tunnel_key;
@@ -1905,8 +1954,14 @@ static int mlx5e_get_flow_tunnel_id(struct mlx5e_priv *priv,
goto err_enc_opts;
if (!enc_opts_is_dont_care) {
+ memset(&tun_enc_opts, 0, sizeof(tun_enc_opts));
+ memcpy(&tun_enc_opts.key, enc_opts_match.key,
+ sizeof(*enc_opts_match.key));
+ memcpy(&tun_enc_opts.mask, enc_opts_match.mask,
+ sizeof(*enc_opts_match.mask));
+
err = mapping_add(uplink_priv->tunnel_enc_opts_mapping,
- enc_opts_match.key, &enc_opts_id);
+ &tun_enc_opts, &enc_opts_id);
if (err)
goto err_enc_opts;
}
@@ -1965,6 +2020,32 @@ u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow)
return flow->tunnel_id;
}
+void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev,
+ struct flow_match_basic *match, bool outer,
+ void *headers_c, void *headers_v)
+{
+ bool ip_version_cap;
+
+ ip_version_cap = outer ?
+ MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+ ft_field_support.outer_ip_version) :
+ MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+ ft_field_support.inner_ip_version);
+
+ if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) &&
+ (match->key->n_proto == htons(ETH_P_IP) ||
+ match->key->n_proto == htons(ETH_P_IPV6))) {
+ MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version);
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version,
+ match->key->n_proto == htons(ETH_P_IP) ? 4 : 6);
+ } else {
+ MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
+ ntohs(match->mask->n_proto));
+ MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
+ ntohs(match->key->n_proto));
+ }
+}
+
static int parse_tunnel_attr(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow,
struct mlx5_flow_spec *spec,
@@ -2005,7 +2086,11 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv,
return err;
}
- flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
+ /* With mpls over udp we decapsulate using packet reformat
+ * object
+ */
+ if (!netif_is_bareudp(filter_dev))
+ flow->esw_attr->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
}
if (!needs_mapping && !sets_mapping)
@@ -2068,7 +2153,7 @@ static int mlx5e_flower_parse_meta(struct net_device *filter_dev,
flow_rule_match_meta(rule, &match);
if (match.mask->ingress_ifindex != 0xFFFFFFFF) {
NL_SET_ERR_MSG_MOD(extack, "Unsupported ingress ifindex mask");
- return -EINVAL;
+ return -EOPNOTSUPP;
}
ingress_dev = __dev_get_by_index(dev_net(filter_dev),
@@ -2076,18 +2161,32 @@ static int mlx5e_flower_parse_meta(struct net_device *filter_dev,
if (!ingress_dev) {
NL_SET_ERR_MSG_MOD(extack,
"Can't find the ingress port to match on");
- return -EINVAL;
+ return -ENOENT;
}
if (ingress_dev != filter_dev) {
NL_SET_ERR_MSG_MOD(extack,
"Can't match on the ingress filter port");
- return -EINVAL;
+ return -EOPNOTSUPP;
}
return 0;
}
+static bool skip_key_basic(struct net_device *filter_dev,
+ struct flow_cls_offload *f)
+{
+ /* When doing mpls over udp decap, the user needs to provide
+ * MPLS_UC as the protocol in order to be able to match on mpls
+ * label fields. However, the actual ethertype is IP so we want to
+ * avoid matching on this, otherwise we'll fail the match.
+ */
+ if (netif_is_bareudp(filter_dev) && f->common.chain_index == 0)
+ return true;
+
+ return false;
+}
+
static int __parse_cls_flower(struct mlx5e_priv *priv,
struct mlx5e_tc_flow *flow,
struct mlx5_flow_spec *spec,
@@ -2132,7 +2231,8 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
BIT(FLOW_DISSECTOR_KEY_IP) |
BIT(FLOW_DISSECTOR_KEY_CT) |
BIT(FLOW_DISSECTOR_KEY_ENC_IP) |
- BIT(FLOW_DISSECTOR_KEY_ENC_OPTS))) {
+ BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) |
+ BIT(FLOW_DISSECTOR_KEY_MPLS))) {
NL_SET_ERR_MSG_MOD(extack, "Unsupported key");
netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n",
dissector->used_keys);
@@ -2162,14 +2262,14 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
if (err)
return err;
- if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
+ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC) &&
+ !skip_key_basic(filter_dev, f)) {
struct flow_match_basic match;
flow_rule_match_basic(rule, &match);
- MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype,
- ntohs(match.mask->n_proto));
- MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype,
- ntohs(match.key->n_proto));
+ mlx5e_tc_set_ethertype(priv->mdev, &match,
+ match_level == outer_match_level,
+ headers_c, headers_v);
if (match.mask->n_proto)
*match_level = MLX5_MATCH_L2;
@@ -2661,7 +2761,7 @@ static int offload_pedit_fields(struct mlx5e_priv *priv,
set_vals = &hdrs[0].vals;
add_vals = &hdrs[1].vals;
- action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto);
+ action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto);
for (i = 0; i < ARRAY_SIZE(fields); i++) {
bool skip;
@@ -2715,10 +2815,10 @@ static int offload_pedit_fields(struct mlx5e_priv *priv,
continue;
if (f->field_bsize == 32) {
- mask_be32 = (__be32)mask;
+ mask_be32 = (__force __be32)(mask);
mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32));
} else if (f->field_bsize == 16) {
- mask_be32 = (__be32)mask;
+ mask_be32 = (__force __be32)(mask);
mask_be16 = *(__be16 *)&mask_be32;
mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16));
}
@@ -2794,7 +2894,7 @@ int alloc_mod_hdr_actions(struct mlx5_core_dev *mdev,
if (mod_hdr_acts->num_actions < mod_hdr_acts->max_actions)
return 0;
- action_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto);
+ action_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto);
max_hw_actions = mlx5e_flow_namespace_max_modify_action(mdev,
namespace);
@@ -2827,10 +2927,12 @@ void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts)
static const struct pedit_headers zero_masks = {};
-static int parse_tc_pedit_action(struct mlx5e_priv *priv,
- const struct flow_action_entry *act, int namespace,
- struct pedit_headers_action *hdrs,
- struct netlink_ext_ack *extack)
+static int
+parse_pedit_to_modify_hdr(struct mlx5e_priv *priv,
+ const struct flow_action_entry *act, int namespace,
+ struct mlx5e_tc_flow_parse_attr *parse_attr,
+ struct pedit_headers_action *hdrs,
+ struct netlink_ext_ack *extack)
{
u8 cmd = (act->id == FLOW_ACTION_MANGLE) ? 0 : 1;
int err = -EOPNOTSUPP;
@@ -2866,6 +2968,46 @@ out_err:
return err;
}
+static int
+parse_pedit_to_reformat(struct mlx5e_priv *priv,
+ const struct flow_action_entry *act,
+ struct mlx5e_tc_flow_parse_attr *parse_attr,
+ struct netlink_ext_ack *extack)
+{
+ u32 mask, val, offset;
+ u32 *p;
+
+ if (act->id != FLOW_ACTION_MANGLE)
+ return -EOPNOTSUPP;
+
+ if (act->mangle.htype != FLOW_ACT_MANGLE_HDR_TYPE_ETH) {
+ NL_SET_ERR_MSG_MOD(extack, "Only Ethernet modification is supported");
+ return -EOPNOTSUPP;
+ }
+
+ mask = ~act->mangle.mask;
+ val = act->mangle.val;
+ offset = act->mangle.offset;
+ p = (u32 *)&parse_attr->eth;
+ *(p + (offset >> 2)) |= (val & mask);
+
+ return 0;
+}
+
+static int parse_tc_pedit_action(struct mlx5e_priv *priv,
+ const struct flow_action_entry *act, int namespace,
+ struct mlx5e_tc_flow_parse_attr *parse_attr,
+ struct pedit_headers_action *hdrs,
+ struct mlx5e_tc_flow *flow,
+ struct netlink_ext_ack *extack)
+{
+ if (flow && flow_flag_test(flow, L3_TO_L2_DECAP))
+ return parse_pedit_to_reformat(priv, act, parse_attr, extack);
+
+ return parse_pedit_to_modify_hdr(priv, act, namespace,
+ parse_attr, hdrs, extack);
+}
+
static int alloc_tc_pedit_action(struct mlx5e_priv *priv, int namespace,
struct mlx5e_tc_flow_parse_attr *parse_attr,
struct pedit_headers_action *hdrs,
@@ -3003,16 +3145,19 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec,
{
const struct flow_action_entry *act;
bool modify_ip_header;
+ void *headers_c;
void *headers_v;
u16 ethertype;
u8 ip_proto;
int i, err;
+ headers_c = get_match_headers_criteria(actions, spec);
headers_v = get_match_headers_value(actions, spec);
ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype);
/* for non-IP we only re-write MACs, so we're okay */
- if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6)
+ if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 &&
+ ethertype != ETH_P_IP && ethertype != ETH_P_IPV6)
goto out_ok;
modify_ip_header = false;
@@ -3073,6 +3218,11 @@ static bool actions_match_supported(struct mlx5e_priv *priv,
return true;
}
+static bool same_port_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
+{
+ return priv->mdev == peer_priv->mdev;
+}
+
static bool same_hw_devs(struct mlx5e_priv *priv, struct mlx5e_priv *peer_priv)
{
struct mlx5_core_dev *fmdev, *pmdev;
@@ -3124,7 +3274,7 @@ static int add_vlan_rewrite_action(struct mlx5e_priv *priv, int namespace,
return -EOPNOTSUPP;
}
- err = parse_tc_pedit_action(priv, &pedit_act, namespace, hdrs, NULL);
+ err = parse_tc_pedit_action(priv, &pedit_act, namespace, parse_attr, hdrs, NULL, extack);
*action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
return err;
@@ -3190,7 +3340,7 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv,
case FLOW_ACTION_MANGLE:
case FLOW_ACTION_ADD:
err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_KERNEL,
- hdrs, extack);
+ parse_attr, hdrs, NULL, extack);
if (err)
return err;
@@ -3284,14 +3434,24 @@ static inline int cmp_encap_info(struct encap_key *a,
a->tc_tunnel->tunnel_type != b->tc_tunnel->tunnel_type;
}
+static inline int cmp_decap_info(struct mlx5e_decap_key *a,
+ struct mlx5e_decap_key *b)
+{
+ return memcmp(&a->key, &b->key, sizeof(b->key));
+}
+
static inline int hash_encap_info(struct encap_key *key)
{
return jhash(key->ip_tun_key, sizeof(*key->ip_tun_key),
key->tc_tunnel->tunnel_type);
}
+static inline int hash_decap_info(struct mlx5e_decap_key *key)
+{
+ return jhash(&key->key, sizeof(key->key), 0);
+}
-static bool is_merged_eswitch_dev(struct mlx5e_priv *priv,
+static bool is_merged_eswitch_vfs(struct mlx5e_priv *priv,
struct net_device *peer_netdev)
{
struct mlx5e_priv *peer_priv;
@@ -3299,18 +3459,21 @@ static bool is_merged_eswitch_dev(struct mlx5e_priv *priv,
peer_priv = netdev_priv(peer_netdev);
return (MLX5_CAP_ESW(priv->mdev, merged_eswitch) &&
- mlx5e_eswitch_rep(priv->netdev) &&
- mlx5e_eswitch_rep(peer_netdev) &&
+ mlx5e_eswitch_vf_rep(priv->netdev) &&
+ mlx5e_eswitch_vf_rep(peer_netdev) &&
same_hw_devs(priv, peer_priv));
}
-
-
bool mlx5e_encap_take(struct mlx5e_encap_entry *e)
{
return refcount_inc_not_zero(&e->refcnt);
}
+static bool mlx5e_decap_take(struct mlx5e_decap_entry *e)
+{
+ return refcount_inc_not_zero(&e->refcnt);
+}
+
static struct mlx5e_encap_entry *
mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key,
uintptr_t hash_key)
@@ -3331,6 +3494,24 @@ mlx5e_encap_get(struct mlx5e_priv *priv, struct encap_key *key,
return NULL;
}
+static struct mlx5e_decap_entry *
+mlx5e_decap_get(struct mlx5e_priv *priv, struct mlx5e_decap_key *key,
+ uintptr_t hash_key)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct mlx5e_decap_key r_key;
+ struct mlx5e_decap_entry *e;
+
+ hash_for_each_possible_rcu(esw->offloads.decap_tbl, e,
+ hlist, hash_key) {
+ r_key = e->key;
+ if (!cmp_decap_info(&r_key, key) &&
+ mlx5e_decap_take(e))
+ return e;
+ }
+ return NULL;
+}
+
static struct ip_tunnel_info *dup_tun_info(const struct ip_tunnel_info *tun_info)
{
size_t tun_size = sizeof(*tun_info) + tun_info->options_len;
@@ -3476,6 +3657,84 @@ out_err_init:
return err;
}
+static int mlx5e_attach_decap(struct mlx5e_priv *priv,
+ struct mlx5e_tc_flow *flow,
+ struct netlink_ext_ack *extack)
+{
+ struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
+ struct mlx5_esw_flow_attr *attr = flow->esw_attr;
+ struct mlx5e_tc_flow_parse_attr *parse_attr;
+ struct mlx5e_decap_entry *d;
+ struct mlx5e_decap_key key;
+ uintptr_t hash_key;
+ int err = 0;
+
+ parse_attr = attr->parse_attr;
+ if (sizeof(parse_attr->eth) > MLX5_CAP_ESW(priv->mdev, max_encap_header_size)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "encap header larger than max supported");
+ return -EOPNOTSUPP;
+ }
+
+ key.key = parse_attr->eth;
+ hash_key = hash_decap_info(&key);
+ mutex_lock(&esw->offloads.decap_tbl_lock);
+ d = mlx5e_decap_get(priv, &key, hash_key);
+ if (d) {
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+ wait_for_completion(&d->res_ready);
+ mutex_lock(&esw->offloads.decap_tbl_lock);
+ if (d->compl_result) {
+ err = -EREMOTEIO;
+ goto out_free;
+ }
+ goto found;
+ }
+
+ d = kzalloc(sizeof(*d), GFP_KERNEL);
+ if (!d) {
+ err = -ENOMEM;
+ goto out_err;
+ }
+
+ d->key = key;
+ refcount_set(&d->refcnt, 1);
+ init_completion(&d->res_ready);
+ INIT_LIST_HEAD(&d->flows);
+ hash_add_rcu(esw->offloads.decap_tbl, &d->hlist, hash_key);
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+
+ d->pkt_reformat = mlx5_packet_reformat_alloc(priv->mdev,
+ MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2,
+ sizeof(parse_attr->eth),
+ &parse_attr->eth,
+ MLX5_FLOW_NAMESPACE_FDB);
+ if (IS_ERR(d->pkt_reformat)) {
+ err = PTR_ERR(d->pkt_reformat);
+ d->compl_result = err;
+ }
+ mutex_lock(&esw->offloads.decap_tbl_lock);
+ complete_all(&d->res_ready);
+ if (err)
+ goto out_free;
+
+found:
+ flow->decap_reformat = d;
+ attr->decap_pkt_reformat = d->pkt_reformat;
+ list_add(&flow->l3_to_l2_reformat, &d->flows);
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+ return 0;
+
+out_free:
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+ mlx5e_decap_put(priv, d);
+ return err;
+
+out_err:
+ mutex_unlock(&esw->offloads.decap_tbl_lock);
+ return err;
+}
+
static int parse_tc_vlan_action(struct mlx5e_priv *priv,
const struct flow_action_entry *act,
struct mlx5_esw_flow_attr *attr,
@@ -3529,6 +3788,28 @@ static int parse_tc_vlan_action(struct mlx5e_priv *priv,
return 0;
}
+static struct net_device *get_fdb_out_dev(struct net_device *uplink_dev,
+ struct net_device *out_dev)
+{
+ struct net_device *fdb_out_dev = out_dev;
+ struct net_device *uplink_upper;
+
+ rcu_read_lock();
+ uplink_upper = netdev_master_upper_dev_get_rcu(uplink_dev);
+ if (uplink_upper && netif_is_lag_master(uplink_upper) &&
+ uplink_upper == out_dev) {
+ fdb_out_dev = uplink_dev;
+ } else if (netif_is_lag_master(out_dev)) {
+ fdb_out_dev = bond_option_active_slave_get_rcu(netdev_priv(out_dev));
+ if (fdb_out_dev &&
+ (!mlx5e_eswitch_rep(fdb_out_dev) ||
+ !netdev_port_same_parent_id(fdb_out_dev, uplink_dev)))
+ fdb_out_dev = NULL;
+ }
+ rcu_read_unlock();
+ return fdb_out_dev;
+}
+
static int add_vlan_push_action(struct mlx5e_priv *priv,
struct mlx5_esw_flow_attr *attr,
struct net_device **out_dev,
@@ -3575,14 +3856,37 @@ static int add_vlan_pop_action(struct mlx5e_priv *priv,
return err;
}
+static bool same_hw_reps(struct mlx5e_priv *priv,
+ struct net_device *peer_netdev)
+{
+ struct mlx5e_priv *peer_priv;
+
+ peer_priv = netdev_priv(peer_netdev);
+
+ return mlx5e_eswitch_rep(priv->netdev) &&
+ mlx5e_eswitch_rep(peer_netdev) &&
+ same_hw_devs(priv, peer_priv);
+}
+
+static bool is_lag_dev(struct mlx5e_priv *priv,
+ struct net_device *peer_netdev)
+{
+ return ((mlx5_lag_is_sriov(priv->mdev) ||
+ mlx5_lag_is_multipath(priv->mdev)) &&
+ same_hw_reps(priv, peer_netdev));
+}
+
bool mlx5e_is_valid_eswitch_fwd_dev(struct mlx5e_priv *priv,
struct net_device *out_dev)
{
- if (is_merged_eswitch_dev(priv, out_dev))
+ if (is_merged_eswitch_vfs(priv, out_dev))
+ return true;
+
+ if (is_lag_dev(priv, out_dev))
return true;
return mlx5e_eswitch_rep(out_dev) &&
- same_hw_devs(priv, netdev_priv(out_dev));
+ same_port_devs(priv, netdev_priv(out_dev));
}
static bool is_duplicated_output_device(struct net_device *dev,
@@ -3687,7 +3991,8 @@ static int verify_uplink_forwarding(struct mlx5e_priv *priv,
static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
struct flow_action *flow_action,
struct mlx5e_tc_flow *flow,
- struct netlink_ext_ack *extack)
+ struct netlink_ext_ack *extack,
+ struct net_device *filter_dev)
{
struct pedit_headers_action hdrs[2] = {};
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
@@ -3701,6 +4006,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
bool encap = false, decap = false;
u32 action = attr->action;
int err, i, if_count = 0;
+ bool mpls_push = false;
if (!flow_action_has_entries(flow_action))
return -EINVAL;
@@ -3715,15 +4021,48 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
action |= MLX5_FLOW_CONTEXT_ACTION_DROP |
MLX5_FLOW_CONTEXT_ACTION_COUNT;
break;
+ case FLOW_ACTION_MPLS_PUSH:
+ if (!MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev,
+ reformat_l2_to_l3_tunnel) ||
+ act->mpls_push.proto != htons(ETH_P_MPLS_UC)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "mpls push is supported only for mpls_uc protocol");
+ return -EOPNOTSUPP;
+ }
+ mpls_push = true;
+ break;
+ case FLOW_ACTION_MPLS_POP:
+ /* we only support mpls pop if it is the first action
+ * and the filter net device is bareudp. Subsequent
+ * actions can be pedit and the last can be mirred
+ * egress redirect.
+ */
+ if (i) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "mpls pop supported only as first action");
+ return -EOPNOTSUPP;
+ }
+ if (!netif_is_bareudp(filter_dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "mpls pop supported only on bareudp devices");
+ return -EOPNOTSUPP;
+ }
+
+ parse_attr->eth.h_proto = act->mpls_pop.proto;
+ action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
+ flow_flag_set(flow, L3_TO_L2_DECAP);
+ break;
case FLOW_ACTION_MANGLE:
case FLOW_ACTION_ADD:
err = parse_tc_pedit_action(priv, act, MLX5_FLOW_NAMESPACE_FDB,
- hdrs, extack);
+ parse_attr, hdrs, flow, extack);
if (err)
return err;
- action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
- attr->split_count = attr->out_count;
+ if (!flow_flag_test(flow, L3_TO_L2_DECAP)) {
+ action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ attr->split_count = attr->out_count;
+ }
break;
case FLOW_ACTION_CSUM:
if (csum_offload_supported(priv, action,
@@ -3745,6 +4084,12 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
return -EINVAL;
}
+ if (mpls_push && !netif_is_bareudp(out_dev)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "mpls is supported only through a bareudp device");
+ return -EOPNOTSUPP;
+ }
+
if (ft_flow && out_dev == priv->netdev) {
/* Ignore forward to self rules generated
* by adding both mlx5 devs to the flow table
@@ -3780,7 +4125,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
} else if (netdev_port_same_parent_id(priv->netdev, out_dev)) {
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
struct net_device *uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH);
- struct net_device *uplink_upper;
if (is_duplicated_output_device(priv->netdev,
out_dev,
@@ -3792,14 +4136,9 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
ifindexes[if_count] = out_dev->ifindex;
if_count++;
- rcu_read_lock();
- uplink_upper =
- netdev_master_upper_dev_get_rcu(uplink_dev);
- if (uplink_upper &&
- netif_is_lag_master(uplink_upper) &&
- uplink_upper == out_dev)
- out_dev = uplink_dev;
- rcu_read_unlock();
+ out_dev = get_fdb_out_dev(uplink_dev, out_dev);
+ if (!out_dev)
+ return -ENODEV;
if (is_vlan_dev(out_dev)) {
err = add_vlan_push_action(priv, attr,
@@ -3823,10 +4162,6 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv,
if (!mlx5e_is_valid_eswitch_fwd_dev(priv, out_dev)) {
NL_SET_ERR_MSG_MOD(extack,
"devices are not on same switch HW, can't offload forwarding");
- netdev_warn(priv->netdev,
- "devices %s %s not on same switch HW, can't offload forwarding\n",
- priv->netdev->name,
- out_dev->name);
return -EOPNOTSUPP;
}
@@ -4075,6 +4410,7 @@ mlx5e_alloc_flow(struct mlx5e_priv *priv, int attr_size,
INIT_LIST_HEAD(&flow->encaps[out_index].list);
INIT_LIST_HEAD(&flow->mod_hdr);
INIT_LIST_HEAD(&flow->hairpin);
+ INIT_LIST_HEAD(&flow->l3_to_l2_reformat);
refcount_set(&flow->refcnt, 1);
init_completion(&flow->init_done);
@@ -4144,7 +4480,7 @@ __mlx5e_add_fdb_flow(struct mlx5e_priv *priv,
if (err)
goto err_free;
- err = parse_tc_fdb_actions(priv, &rule->action, flow, extack);
+ err = parse_tc_fdb_actions(priv, &rule->action, flow, extack, filter_dev);
if (err)
goto err_free;
@@ -4330,11 +4666,21 @@ mlx5e_tc_add_flow(struct mlx5e_priv *priv,
return err;
}
+static bool is_flow_rule_duplicate_allowed(struct net_device *dev,
+ struct mlx5e_rep_priv *rpriv)
+{
+ /* Offloaded flow rule is allowed to duplicate on non-uplink representor
+ * sharing tc block with other slaves of a lag device.
+ */
+ return netif_is_lag_port(dev) && rpriv->rep->vport != MLX5_VPORT_UPLINK;
+}
+
int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
struct flow_cls_offload *f, unsigned long flags)
{
struct netlink_ext_ack *extack = f->common.extack;
struct rhashtable *tc_ht = get_tc_ht(priv, flags);
+ struct mlx5e_rep_priv *rpriv = priv->ppriv;
struct mlx5e_tc_flow *flow;
int err = 0;
@@ -4342,6 +4688,12 @@ int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
flow = rhashtable_lookup(tc_ht, &f->cookie, tc_ht_params);
rcu_read_unlock();
if (flow) {
+ /* Same flow rule offloaded to non-uplink representor sharing tc block,
+ * just return 0.
+ */
+ if (is_flow_rule_duplicate_allowed(dev, rpriv) && flow->orig_dev != dev)
+ goto out;
+
NL_SET_ERR_MSG_MOD(extack,
"flow cookie already exists, ignoring");
netdev_warn_once(priv->netdev,
@@ -4356,6 +4708,12 @@ int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
if (err)
goto out;
+ /* Flow rule offloaded to non-uplink representor sharing tc block,
+ * set the flow's owner dev.
+ */
+ if (is_flow_rule_duplicate_allowed(dev, rpriv))
+ flow->orig_dev = dev;
+
err = rhashtable_lookup_insert_fast(tc_ht, &flow->node, tc_ht_params);
if (err)
goto err_free;
@@ -4588,7 +4946,7 @@ void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv,
dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets;
dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes;
rpriv->prev_vf_vport_stats = cur_stats;
- flow_stats_update(&ma->stats, dpkts, dbytes, jiffies,
+ flow_stats_update(&ma->stats, dbytes, dpkts, jiffies,
FLOW_ACTION_HW_STATS_DELAYED);
}
@@ -4707,7 +5065,7 @@ void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv)
int mlx5e_tc_esw_init(struct rhashtable *tc_ht)
{
- const size_t sz_enc_opts = sizeof(struct flow_dissector_key_enc_opts);
+ const size_t sz_enc_opts = sizeof(struct tunnel_match_enc_opts);
struct mlx5_rep_uplink_priv *uplink_priv;
struct mlx5e_rep_priv *priv;
struct mapping_ctx *mapping;
@@ -4796,146 +5154,35 @@ void mlx5e_tc_reoffload_flows_work(struct work_struct *work)
mutex_unlock(&rpriv->unready_flows_lock);
}
-#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
-static bool mlx5e_restore_tunnel(struct mlx5e_priv *priv, struct sk_buff *skb,
- struct mlx5e_tc_update_priv *tc_priv,
- u32 tunnel_id)
-{
- struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
- struct flow_dissector_key_enc_opts enc_opts = {};
- struct mlx5_rep_uplink_priv *uplink_priv;
- struct mlx5e_rep_priv *uplink_rpriv;
- struct metadata_dst *tun_dst;
- struct tunnel_match_key key;
- u32 tun_id, enc_opts_id;
- struct net_device *dev;
- int err;
-
- enc_opts_id = tunnel_id & ENC_OPTS_BITS_MASK;
- tun_id = tunnel_id >> ENC_OPTS_BITS;
-
- if (!tun_id)
- return true;
-
- uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
- uplink_priv = &uplink_rpriv->uplink_priv;
-
- err = mapping_find(uplink_priv->tunnel_mapping, tun_id, &key);
- if (err) {
- WARN_ON_ONCE(true);
- netdev_dbg(priv->netdev,
- "Couldn't find tunnel for tun_id: %d, err: %d\n",
- tun_id, err);
- return false;
- }
-
- if (enc_opts_id) {
- err = mapping_find(uplink_priv->tunnel_enc_opts_mapping,
- enc_opts_id, &enc_opts);
- if (err) {
- netdev_dbg(priv->netdev,
- "Couldn't find tunnel (opts) for tun_id: %d, err: %d\n",
- enc_opts_id, err);
- return false;
- }
- }
-
- tun_dst = tun_rx_dst(enc_opts.len);
- if (!tun_dst) {
- WARN_ON_ONCE(true);
- return false;
- }
-
- ip_tunnel_key_init(&tun_dst->u.tun_info.key,
- key.enc_ipv4.src, key.enc_ipv4.dst,
- key.enc_ip.tos, key.enc_ip.ttl,
- 0, /* label */
- key.enc_tp.src, key.enc_tp.dst,
- key32_to_tunnel_id(key.enc_key_id.keyid),
- TUNNEL_KEY);
-
- if (enc_opts.len)
- ip_tunnel_info_opts_set(&tun_dst->u.tun_info, enc_opts.data,
- enc_opts.len, enc_opts.dst_opt_type);
-
- skb_dst_set(skb, (struct dst_entry *)tun_dst);
- dev = dev_get_by_index(&init_net, key.filter_ifindex);
- if (!dev) {
- netdev_dbg(priv->netdev,
- "Couldn't find tunnel device with ifindex: %d\n",
- key.filter_ifindex);
- return false;
+static int mlx5e_setup_tc_cls_flower(struct mlx5e_priv *priv,
+ struct flow_cls_offload *cls_flower,
+ unsigned long flags)
+{
+ switch (cls_flower->command) {
+ case FLOW_CLS_REPLACE:
+ return mlx5e_configure_flower(priv->netdev, priv, cls_flower,
+ flags);
+ case FLOW_CLS_DESTROY:
+ return mlx5e_delete_flower(priv->netdev, priv, cls_flower,
+ flags);
+ case FLOW_CLS_STATS:
+ return mlx5e_stats_flower(priv->netdev, priv, cls_flower,
+ flags);
+ default:
+ return -EOPNOTSUPP;
}
-
- /* Set tun_dev so we do dev_put() after datapath */
- tc_priv->tun_dev = dev;
-
- skb->dev = dev;
-
- return true;
}
-#endif /* CONFIG_NET_TC_SKB_EXT */
-bool mlx5e_tc_rep_update_skb(struct mlx5_cqe64 *cqe,
- struct sk_buff *skb,
- struct mlx5e_tc_update_priv *tc_priv)
+int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv)
{
-#if IS_ENABLED(CONFIG_NET_TC_SKB_EXT)
- u32 chain = 0, reg_c0, reg_c1, tunnel_id, tuple_id;
- struct mlx5_rep_uplink_priv *uplink_priv;
- struct mlx5e_rep_priv *uplink_rpriv;
- struct tc_skb_ext *tc_skb_ext;
- struct mlx5_eswitch *esw;
- struct mlx5e_priv *priv;
- int tunnel_moffset;
- int err;
-
- reg_c0 = (be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK);
- if (reg_c0 == MLX5_FS_DEFAULT_FLOW_TAG)
- reg_c0 = 0;
- reg_c1 = be32_to_cpu(cqe->imm_inval_pkey);
-
- if (!reg_c0)
- return true;
-
- priv = netdev_priv(skb->dev);
- esw = priv->mdev->priv.eswitch;
-
- err = mlx5_eswitch_get_chain_for_tag(esw, reg_c0, &chain);
- if (err) {
- netdev_dbg(priv->netdev,
- "Couldn't find chain for chain tag: %d, err: %d\n",
- reg_c0, err);
- return false;
- }
-
- if (chain) {
- tc_skb_ext = skb_ext_add(skb, TC_SKB_EXT);
- if (!tc_skb_ext) {
- WARN_ON(1);
- return false;
- }
+ unsigned long flags = MLX5_TC_FLAG(INGRESS) | MLX5_TC_FLAG(NIC_OFFLOAD);
+ struct mlx5e_priv *priv = cb_priv;
- tc_skb_ext->chain = chain;
-
- tuple_id = reg_c1 & TUPLE_ID_MAX;
-
- uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH);
- uplink_priv = &uplink_rpriv->uplink_priv;
- if (!mlx5e_tc_ct_restore_flow(uplink_priv, skb, tuple_id))
- return false;
+ switch (type) {
+ case TC_SETUP_CLSFLOWER:
+ return mlx5e_setup_tc_cls_flower(priv, type_data, flags);
+ default:
+ return -EOPNOTSUPP;
}
-
- tunnel_moffset = mlx5e_tc_attr_to_reg_mappings[TUNNEL_TO_REG].moffset;
- tunnel_id = reg_c1 >> (8 * tunnel_moffset);
- return mlx5e_restore_tunnel(priv, skb, tc_priv, tunnel_id);
-#endif /* CONFIG_NET_TC_SKB_EXT */
-
- return true;
-}
-
-void mlx5_tc_rep_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv)
-{
- if (tc_priv->tun_dev)
- dev_put(tc_priv->tun_dev);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
index abdcfa4c4e0e..5c330b0cae21 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.h
@@ -34,11 +34,41 @@
#define __MLX5_EN_TC_H__
#include <net/pkt_cls.h>
+#include "en.h"
#define MLX5E_TC_FLOW_ID_MASK 0x0000ffff
#ifdef CONFIG_MLX5_ESWITCH
+struct tunnel_match_key {
+ struct flow_dissector_key_control enc_control;
+ struct flow_dissector_key_keyid enc_key_id;
+ struct flow_dissector_key_ports enc_tp;
+ struct flow_dissector_key_ip enc_ip;
+ union {
+ struct flow_dissector_key_ipv4_addrs enc_ipv4;
+ struct flow_dissector_key_ipv6_addrs enc_ipv6;
+ };
+
+ int filter_ifindex;
+};
+
+struct tunnel_match_enc_opts {
+ struct flow_dissector_key_enc_opts key;
+ struct flow_dissector_key_enc_opts mask;
+};
+
+/* Tunnel_id mapping is TUNNEL_INFO_BITS + ENC_OPTS_BITS.
+ * Upper TUNNEL_INFO_BITS for general tunnel info.
+ * Lower ENC_OPTS_BITS bits for enc_opts.
+ */
+#define TUNNEL_INFO_BITS 6
+#define TUNNEL_INFO_BITS_MASK GENMASK(TUNNEL_INFO_BITS - 1, 0)
+#define ENC_OPTS_BITS 2
+#define ENC_OPTS_BITS_MASK GENMASK(ENC_OPTS_BITS - 1, 0)
+#define TUNNEL_ID_BITS (TUNNEL_INFO_BITS + ENC_OPTS_BITS)
+#define TUNNEL_ID_MASK GENMASK(TUNNEL_ID_BITS - 1, 0)
+
enum {
MLX5E_TC_FLAG_INGRESS_BIT,
MLX5E_TC_FLAG_EGRESS_BIT,
@@ -50,9 +80,6 @@ enum {
#define MLX5_TC_FLAG(flag) BIT(MLX5E_TC_FLAG_##flag##_BIT)
-int mlx5e_tc_nic_init(struct mlx5e_priv *priv);
-void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
-
int mlx5e_tc_esw_init(struct rhashtable *tc_ht);
void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht);
@@ -119,11 +146,6 @@ struct mlx5e_tc_update_priv {
struct net_device *tun_dev;
};
-bool mlx5e_tc_rep_update_skb(struct mlx5_cqe64 *cqe, struct sk_buff *skb,
- struct mlx5e_tc_update_priv *tc_priv);
-
-void mlx5_tc_rep_post_napi_receive(struct mlx5e_tc_update_priv *tc_priv);
-
struct mlx5e_tc_mod_hdr_acts {
int num_actions;
int max_actions;
@@ -148,6 +170,26 @@ void dealloc_mod_hdr_actions(struct mlx5e_tc_mod_hdr_acts *mod_hdr_acts);
struct mlx5e_tc_flow;
u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow);
+void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev,
+ struct flow_match_basic *match, bool outer,
+ void *headers_c, void *headers_v);
+
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
+
+int mlx5e_tc_nic_init(struct mlx5e_priv *priv);
+void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
+
+int mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv);
+
+#else /* CONFIG_MLX5_CLS_ACT */
+static inline int mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
+static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
+static inline int
+mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
+{ return -EOPNOTSUPP; }
+#endif /* CONFIG_MLX5_CLS_ACT */
+
#else /* CONFIG_MLX5_ESWITCH */
static inline int mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
@@ -156,6 +198,10 @@ static inline int mlx5e_tc_num_filters(struct mlx5e_priv *priv,
{
return 0;
}
+
+static inline int
+mlx5e_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
+{ return -EOPNOTSUPP; }
#endif
#endif /* __MLX5_EN_TC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index fd6b2a1898c5..6d406063aca4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -265,8 +265,8 @@ mlx5e_txwqe_complete(struct mlx5e_txqsq *sq, struct sk_buff *skb,
mlx5e_notify_hw(wq, sq->pc, sq->uar_map, cseg);
}
-netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5e_tx_wqe *wqe, u16 pi, bool xmit_more)
+void mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5e_tx_wqe *wqe, u16 pi, bool xmit_more)
{
struct mlx5_wq_cyc *wq = &sq->wq;
struct mlx5_wqe_ctrl_seg *cseg;
@@ -324,7 +324,8 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
struct mlx5_wqe_ctrl_seg cur_ctrl = wqe->ctrl;
#endif
mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
- wqe = mlx5e_sq_fetch_wqe(sq, sizeof(*wqe), &pi);
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ wqe = MLX5E_TX_FETCH_WQE(sq, pi);
#ifdef CONFIG_MLX5_EN_IPSEC
wqe->eth = cur_eth;
#endif
@@ -372,47 +373,38 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
mlx5e_txwqe_complete(sq, skb, opcode, ds_cnt, num_wqebbs, num_bytes,
num_dma, wi, cseg, xmit_more);
- return NETDEV_TX_OK;
+ return;
err_drop:
stats->dropped++;
dev_kfree_skb_any(skb);
-
- return NETDEV_TX_OK;
}
netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mlx5e_priv *priv = netdev_priv(dev);
+ struct mlx5e_accel_tx_state accel = {};
struct mlx5e_tx_wqe *wqe;
struct mlx5e_txqsq *sq;
u16 pi;
sq = priv->txq2sq[skb_get_queue_mapping(skb)];
- wqe = mlx5e_sq_fetch_wqe(sq, sizeof(*wqe), &pi);
- /* might send skbs and update wqe and pi */
- skb = mlx5e_accel_handle_tx(skb, sq, dev, &wqe, &pi);
- if (unlikely(!skb))
- return NETDEV_TX_OK;
+ /* May send SKBs and WQEs. */
+ if (unlikely(!mlx5e_accel_tx_begin(dev, sq, skb, &accel)))
+ goto out;
- return mlx5e_sq_xmit(sq, skb, wqe, pi, netdev_xmit_more());
-}
+ pi = mlx5_wq_cyc_ctr2ix(&sq->wq, sq->pc);
+ wqe = MLX5E_TX_FETCH_WQE(sq, pi);
-static void mlx5e_dump_error_cqe(struct mlx5e_txqsq *sq,
- struct mlx5_err_cqe *err_cqe)
-{
- struct mlx5_cqwq *wq = &sq->cq.wq;
- u32 ci;
+ /* May update the WQE, but may not post other WQEs. */
+ if (unlikely(!mlx5e_accel_tx_finish(priv, sq, skb, wqe, &accel)))
+ goto out;
- ci = mlx5_cqwq_ctr2ix(wq, wq->cc - 1);
+ mlx5e_sq_xmit(sq, skb, wqe, pi, netdev_xmit_more());
- netdev_err(sq->channel->netdev,
- "Error cqe on cqn 0x%x, ci 0x%x, sqn 0x%x, opcode 0x%x, syndrome 0x%x, vendor syndrome 0x%x\n",
- sq->cq.mcq.cqn, ci, sq->sqn,
- get_cqe_opcode((struct mlx5_cqe64 *)err_cqe),
- err_cqe->syndrome, err_cqe->vendor_err_synd);
- mlx5_dump_err_cqe(sq->cq.mdev, err_cqe);
+out:
+ return NETDEV_TX_OK;
}
bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
@@ -501,7 +493,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
if (unlikely(get_cqe_opcode(cqe) == MLX5_CQE_REQ_ERR)) {
if (!test_and_set_bit(MLX5E_SQ_STATE_RECOVERING,
&sq->state)) {
- mlx5e_dump_error_cqe(sq,
+ mlx5e_dump_error_cqe(&sq->cq, sq->sqn,
(struct mlx5_err_cqe *)cqe);
mlx5_wq_cyc_wqe_dump(&sq->wq, ci, wi->num_wqebbs);
queue_work(cq->channel->priv->wq,
@@ -537,10 +529,9 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq)
{
struct mlx5e_tx_wqe_info *wi;
+ u32 dma_fifo_cc, nbytes = 0;
+ u16 ci, sqcc, npkts = 0;
struct sk_buff *skb;
- u32 dma_fifo_cc;
- u16 sqcc;
- u16 ci;
int i;
sqcc = sq->cc;
@@ -565,11 +556,15 @@ void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq)
}
dev_kfree_skb_any(skb);
+ npkts++;
+ nbytes += wi->num_bytes;
sqcc += wi->num_wqebbs;
}
sq->dma_fifo_cc = dma_fifo_cc;
sq->cc = sqcc;
+
+ netdev_tx_completed_queue(sq->txq, npkts, nbytes);
}
#ifdef CONFIG_MLX5_CORE_IPOIB
@@ -582,11 +577,9 @@ mlx5i_txwqe_build_datagram(struct mlx5_av *av, u32 dqpn, u32 dqkey,
dseg->av.key.qkey.qkey = cpu_to_be32(dqkey);
}
-netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5_av *av, u32 dqpn, u32 dqkey,
- bool xmit_more)
+void mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5_av *av, u32 dqpn, u32 dqkey, bool xmit_more)
{
- struct mlx5_wq_cyc *wq = &sq->wq;
struct mlx5i_tx_wqe *wqe;
struct mlx5_wqe_datagram_seg *datagram;
@@ -596,9 +589,9 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
struct mlx5e_tx_wqe_info *wi;
struct mlx5e_sq_stats *stats = sq->stats;
- u16 headlen, ihs, pi, contig_wqebbs_room;
u16 ds_cnt, ds_cnt_inl = 0;
u8 num_wqebbs, opcode;
+ u16 headlen, ihs, pi;
u32 num_bytes;
int num_dma;
__be16 mss;
@@ -634,14 +627,8 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
}
num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS);
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
- if (unlikely(contig_wqebbs_room < num_wqebbs)) {
- mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
- pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- }
-
- mlx5i_sq_fetch_wqe(sq, &wqe, pi);
+ pi = mlx5e_txqsq_get_next_pi(sq, num_wqebbs);
+ wqe = MLX5I_SQ_FETCH_WQE(sq, pi);
/* fill wqe */
wi = &sq->db.wqe_info[pi];
@@ -669,12 +656,10 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
mlx5e_txwqe_complete(sq, skb, opcode, ds_cnt, num_wqebbs, num_bytes,
num_dma, wi, cseg, xmit_more);
- return NETDEV_TX_OK;
+ return;
err_drop:
stats->dropped++;
dev_kfree_skb_any(skb);
-
- return NETDEV_TX_OK;
}
#endif
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index 87c49e7a164c..8480278f2ee2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -78,8 +78,11 @@ void mlx5e_trigger_irq(struct mlx5e_icosq *sq)
struct mlx5e_tx_wqe *nopwqe;
u16 pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- sq->db.ico_wqe[pi].opcode = MLX5_OPCODE_NOP;
- sq->db.ico_wqe[pi].num_wqebbs = 1;
+ sq->db.wqe_info[pi] = (struct mlx5e_icosq_wqe_info) {
+ .wqe_type = MLX5E_ICOSQ_WQE_NOP,
+ .num_wqebbs = 1,
+ };
+
nopwqe = mlx5e_post_nop(wq, sq->sqn, &sq->pc);
mlx5e_notify_hw(wq, sq->pc, sq->uar_map, &nopwqe->ctrl);
}
@@ -152,7 +155,11 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
mlx5e_post_rx_wqes,
rq);
if (xsk_open) {
- mlx5e_poll_ico_cq(&c->xskicosq.cq);
+ if (mlx5e_poll_ico_cq(&c->xskicosq.cq))
+ /* Don't clear the flag if nothing was polled to prevent
+ * queueing more WQEs and overflowing XSKICOSQ.
+ */
+ clear_bit(MLX5E_SQ_STATE_PENDING_XSK_TX, &c->xskicosq.state);
busy |= mlx5e_poll_xdpsq_cq(&xsksq->cq);
busy_xsk |= mlx5e_napi_xsk_post(xsksq, xskrq);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index cccea3a8eddd..31ef9f8420c8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -36,7 +36,6 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/eq.h>
-#include <linux/mlx5/cmd.h>
#ifdef CONFIG_RFS_ACCEL
#include <linux/cpu_rmap.h>
#endif
@@ -102,12 +101,11 @@ struct mlx5_eq_table {
static int mlx5_cmd_destroy_eq(struct mlx5_core_dev *dev, u8 eqn)
{
- u32 out[MLX5_ST_SZ_DW(destroy_eq_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_eq_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_eq_in)] = {};
MLX5_SET(destroy_eq_in, in, opcode, MLX5_CMD_OP_DESTROY_EQ);
MLX5_SET(destroy_eq_in, in, eq_number, eqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_eq, in);
}
/* caller must eventually call mlx5_cq_put on the returned cq */
@@ -611,11 +609,13 @@ static int create_async_eqs(struct mlx5_core_dev *dev)
.nent = MLX5_NUM_CMD_EQE,
.mask[0] = 1ull << MLX5_EVENT_TYPE_CMD,
};
+ mlx5_cmd_allowed_opcode(dev, MLX5_CMD_OP_CREATE_EQ);
err = setup_async_eq(dev, &table->cmd_eq, &param, "cmd");
if (err)
goto err1;
mlx5_cmd_use_events(dev);
+ mlx5_cmd_allowed_opcode(dev, CMD_ALLOWED_OPCODE_ALL);
param = (struct mlx5_eq_param) {
.irq_index = 0,
@@ -645,6 +645,7 @@ err2:
mlx5_cmd_use_polling(dev);
cleanup_async_eq(dev, &table->cmd_eq, "cmd");
err1:
+ mlx5_cmd_allowed_opcode(dev, CMD_ALLOWED_OPCODE_ALL);
mlx5_eq_notifier_unregister(dev, &table->cq_err_nb);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c
new file mode 100644
index 000000000000..d46f8b225ebe
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c
@@ -0,0 +1,170 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "lgcy.h"
+
+static void esw_acl_egress_lgcy_rules_destroy(struct mlx5_vport *vport)
+{
+ esw_acl_egress_vlan_destroy(vport);
+ if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_rule)) {
+ mlx5_del_flow_rules(vport->egress.legacy.drop_rule);
+ vport->egress.legacy.drop_rule = NULL;
+ }
+}
+
+static int esw_acl_egress_lgcy_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_core_dev *dev = esw->dev;
+ struct mlx5_flow_group *drop_grp;
+ u32 *flow_group_in;
+ int err = 0;
+
+ err = esw_acl_egress_vlan_grp_create(esw, vport);
+ if (err)
+ return err;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in) {
+ err = -ENOMEM;
+ goto alloc_err;
+ }
+
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
+ drop_grp = mlx5_create_flow_group(vport->egress.acl, flow_group_in);
+ if (IS_ERR(drop_grp)) {
+ err = PTR_ERR(drop_grp);
+ esw_warn(dev, "Failed to create E-Switch vport[%d] egress drop flow group, err(%d)\n",
+ vport->vport, err);
+ goto drop_grp_err;
+ }
+
+ vport->egress.legacy.drop_grp = drop_grp;
+ kvfree(flow_group_in);
+ return 0;
+
+drop_grp_err:
+ kvfree(flow_group_in);
+alloc_err:
+ esw_acl_egress_vlan_grp_destroy(vport);
+ return err;
+}
+
+static void esw_acl_egress_lgcy_groups_destroy(struct mlx5_vport *vport)
+{
+ if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_grp)) {
+ mlx5_destroy_flow_group(vport->egress.legacy.drop_grp);
+ vport->egress.legacy.drop_grp = NULL;
+ }
+ esw_acl_egress_vlan_grp_destroy(vport);
+}
+
+int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ struct mlx5_flow_destination drop_ctr_dst = {};
+ struct mlx5_flow_destination *dst = NULL;
+ struct mlx5_fc *drop_counter = NULL;
+ struct mlx5_flow_act flow_act = {};
+ /* The egress acl table contains 2 rules:
+ * 1)Allow traffic with vlan_tag=vst_vlan_id
+ * 2)Drop all other traffic.
+ */
+ int table_size = 2;
+ int dest_num = 0;
+ int err = 0;
+
+ if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) {
+ drop_counter = mlx5_fc_create(esw->dev, false);
+ if (IS_ERR(drop_counter))
+ esw_warn(esw->dev,
+ "vport[%d] configure egress drop rule counter err(%ld)\n",
+ vport->vport, PTR_ERR(drop_counter));
+ vport->egress.legacy.drop_counter = drop_counter;
+ }
+
+ esw_acl_egress_lgcy_rules_destroy(vport);
+
+ if (!vport->info.vlan && !vport->info.qos) {
+ esw_acl_egress_lgcy_cleanup(esw, vport);
+ return 0;
+ }
+
+ if (!IS_ERR_OR_NULL(vport->egress.acl))
+ return 0;
+
+ vport->egress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_EGRESS,
+ table_size);
+ if (IS_ERR_OR_NULL(vport->egress.acl)) {
+ err = PTR_ERR(vport->egress.acl);
+ vport->egress.acl = NULL;
+ goto out;
+ }
+
+ err = esw_acl_egress_lgcy_groups_create(esw, vport);
+ if (err)
+ goto out;
+
+ esw_debug(esw->dev,
+ "vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
+ vport->vport, vport->info.vlan, vport->info.qos);
+
+ /* Allowed vlan rule */
+ err = esw_egress_acl_vlan_create(esw, vport, NULL, vport->info.vlan,
+ MLX5_FLOW_CONTEXT_ACTION_ALLOW);
+ if (err)
+ goto out;
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
+
+ /* Attach egress drop flow counter */
+ if (!IS_ERR_OR_NULL(drop_counter)) {
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ drop_ctr_dst.counter_id = mlx5_fc_id(drop_counter);
+ dst = &drop_ctr_dst;
+ dest_num++;
+ }
+ vport->egress.legacy.drop_rule =
+ mlx5_add_flow_rules(vport->egress.acl, NULL,
+ &flow_act, dst, dest_num);
+ if (IS_ERR(vport->egress.legacy.drop_rule)) {
+ err = PTR_ERR(vport->egress.legacy.drop_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure egress drop rule failed, err(%d)\n",
+ vport->vport, err);
+ vport->egress.legacy.drop_rule = NULL;
+ goto out;
+ }
+
+ return err;
+
+out:
+ esw_acl_egress_lgcy_cleanup(esw, vport);
+ return err;
+}
+
+void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (IS_ERR_OR_NULL(vport->egress.acl))
+ goto clean_drop_counter;
+
+ esw_debug(esw->dev, "Destroy vport[%d] E-Switch egress ACL\n", vport->vport);
+
+ esw_acl_egress_lgcy_rules_destroy(vport);
+ esw_acl_egress_lgcy_groups_destroy(vport);
+ esw_acl_egress_table_destroy(vport);
+
+clean_drop_counter:
+ if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_counter)) {
+ mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter);
+ vport->egress.legacy.drop_counter = NULL;
+ }
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c
new file mode 100644
index 000000000000..07b2acd7e6b3
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "ofld.h"
+
+static void esw_acl_egress_ofld_fwd2vport_destroy(struct mlx5_vport *vport)
+{
+ if (!vport->egress.offloads.fwd_rule)
+ return;
+
+ mlx5_del_flow_rules(vport->egress.offloads.fwd_rule);
+ vport->egress.offloads.fwd_rule = NULL;
+}
+
+static int esw_acl_egress_ofld_fwd2vport_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport,
+ struct mlx5_flow_destination *fwd_dest)
+{
+ struct mlx5_flow_act flow_act = {};
+ int err = 0;
+
+ esw_debug(esw->dev, "vport(%d) configure egress acl rule fwd2vport(%d)\n",
+ vport->vport, fwd_dest->vport.num);
+
+ /* Delete the old egress forward-to-vport rule if any */
+ esw_acl_egress_ofld_fwd2vport_destroy(vport);
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+
+ vport->egress.offloads.fwd_rule =
+ mlx5_add_flow_rules(vport->egress.acl, NULL,
+ &flow_act, fwd_dest, 1);
+ if (IS_ERR(vport->egress.offloads.fwd_rule)) {
+ err = PTR_ERR(vport->egress.offloads.fwd_rule);
+ esw_warn(esw->dev,
+ "vport(%d) failed to add fwd2vport acl rule err(%d)\n",
+ vport->vport, err);
+ vport->egress.offloads.fwd_rule = NULL;
+ }
+
+ return err;
+}
+
+static int esw_acl_egress_ofld_rules_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport,
+ struct mlx5_flow_destination *fwd_dest)
+{
+ int err = 0;
+ int action;
+
+ if (MLX5_CAP_GEN(esw->dev, prio_tag_required)) {
+ /* For prio tag mode, there is only 1 FTEs:
+ * 1) prio tag packets - pop the prio tag VLAN, allow
+ * Unmatched traffic is allowed by default
+ */
+ esw_debug(esw->dev,
+ "vport[%d] configure prio tag egress rules\n", vport->vport);
+
+ action = MLX5_FLOW_CONTEXT_ACTION_VLAN_POP;
+ action |= fwd_dest ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST :
+ MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+
+ /* prio tag vlan rule - pop it so vport receives untagged packets */
+ err = esw_egress_acl_vlan_create(esw, vport, fwd_dest, 0, action);
+ if (err)
+ goto prio_err;
+ }
+
+ if (fwd_dest) {
+ err = esw_acl_egress_ofld_fwd2vport_create(esw, vport, fwd_dest);
+ if (err)
+ goto fwd_err;
+ }
+
+ return 0;
+
+fwd_err:
+ esw_acl_egress_vlan_destroy(vport);
+prio_err:
+ return err;
+}
+
+static void esw_acl_egress_ofld_rules_destroy(struct mlx5_vport *vport)
+{
+ esw_acl_egress_vlan_destroy(vport);
+ esw_acl_egress_ofld_fwd2vport_destroy(vport);
+}
+
+static int esw_acl_egress_ofld_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_flow_group *fwd_grp;
+ u32 *flow_group_in;
+ u32 flow_index = 0;
+ int ret = 0;
+
+ if (MLX5_CAP_GEN(esw->dev, prio_tag_required)) {
+ ret = esw_acl_egress_vlan_grp_create(esw, vport);
+ if (ret)
+ return ret;
+
+ flow_index++;
+ }
+
+ if (!mlx5_esw_acl_egress_fwd2vport_supported(esw))
+ goto out;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in) {
+ ret = -ENOMEM;
+ goto fwd_grp_err;
+ }
+
+ /* This group holds 1 FTE to forward all packets to other vport
+ * when bond vports is supported.
+ */
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
+ fwd_grp = mlx5_create_flow_group(vport->egress.acl, flow_group_in);
+ if (IS_ERR(fwd_grp)) {
+ ret = PTR_ERR(fwd_grp);
+ esw_warn(esw->dev,
+ "Failed to create vport[%d] egress fwd2vport flow group, err(%d)\n",
+ vport->vport, ret);
+ kvfree(flow_group_in);
+ goto fwd_grp_err;
+ }
+ vport->egress.offloads.fwd_grp = fwd_grp;
+ kvfree(flow_group_in);
+ return 0;
+
+fwd_grp_err:
+ esw_acl_egress_vlan_grp_destroy(vport);
+out:
+ return ret;
+}
+
+static void esw_acl_egress_ofld_groups_destroy(struct mlx5_vport *vport)
+{
+ if (!IS_ERR_OR_NULL(vport->egress.offloads.fwd_grp)) {
+ mlx5_destroy_flow_group(vport->egress.offloads.fwd_grp);
+ vport->egress.offloads.fwd_grp = NULL;
+ }
+ esw_acl_egress_vlan_grp_destroy(vport);
+}
+
+int esw_acl_egress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport)
+{
+ int table_size = 0;
+ int err;
+
+ if (!mlx5_esw_acl_egress_fwd2vport_supported(esw) &&
+ !MLX5_CAP_GEN(esw->dev, prio_tag_required))
+ return 0;
+
+ esw_acl_egress_ofld_rules_destroy(vport);
+
+ if (mlx5_esw_acl_egress_fwd2vport_supported(esw))
+ table_size++;
+ if (MLX5_CAP_GEN(esw->dev, prio_tag_required))
+ table_size++;
+ vport->egress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_EGRESS, table_size);
+ if (IS_ERR_OR_NULL(vport->egress.acl)) {
+ err = PTR_ERR(vport->egress.acl);
+ vport->egress.acl = NULL;
+ return err;
+ }
+
+ err = esw_acl_egress_ofld_groups_create(esw, vport);
+ if (err)
+ goto group_err;
+
+ esw_debug(esw->dev, "vport[%d] configure egress rules\n", vport->vport);
+
+ err = esw_acl_egress_ofld_rules_create(esw, vport, NULL);
+ if (err)
+ goto rules_err;
+
+ return 0;
+
+rules_err:
+ esw_acl_egress_ofld_groups_destroy(vport);
+group_err:
+ esw_acl_egress_table_destroy(vport);
+ return err;
+}
+
+void esw_acl_egress_ofld_cleanup(struct mlx5_vport *vport)
+{
+ esw_acl_egress_ofld_rules_destroy(vport);
+ esw_acl_egress_ofld_groups_destroy(vport);
+ esw_acl_egress_table_destroy(vport);
+}
+
+int mlx5_esw_acl_egress_vport_bond(struct mlx5_eswitch *esw, u16 active_vport_num,
+ u16 passive_vport_num)
+{
+ struct mlx5_vport *passive_vport = mlx5_eswitch_get_vport(esw, passive_vport_num);
+ struct mlx5_vport *active_vport = mlx5_eswitch_get_vport(esw, active_vport_num);
+ struct mlx5_flow_destination fwd_dest = {};
+
+ if (IS_ERR(active_vport))
+ return PTR_ERR(active_vport);
+ if (IS_ERR(passive_vport))
+ return PTR_ERR(passive_vport);
+
+ /* Cleanup and recreate rules WITHOUT fwd2vport of active vport */
+ esw_acl_egress_ofld_rules_destroy(active_vport);
+ esw_acl_egress_ofld_rules_create(esw, active_vport, NULL);
+
+ /* Cleanup and recreate all rules + fwd2vport rule of passive vport to forward */
+ esw_acl_egress_ofld_rules_destroy(passive_vport);
+ fwd_dest.type = MLX5_FLOW_DESTINATION_TYPE_VPORT;
+ fwd_dest.vport.num = active_vport_num;
+ fwd_dest.vport.vhca_id = MLX5_CAP_GEN(esw->dev, vhca_id);
+ fwd_dest.vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
+
+ return esw_acl_egress_ofld_rules_create(esw, passive_vport, &fwd_dest);
+}
+
+int mlx5_esw_acl_egress_vport_unbond(struct mlx5_eswitch *esw, u16 vport_num)
+{
+ struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num);
+
+ if (IS_ERR(vport))
+ return PTR_ERR(vport);
+
+ esw_acl_egress_ofld_rules_destroy(vport);
+ return esw_acl_egress_ofld_rules_create(esw, vport, NULL);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c
new file mode 100644
index 000000000000..22f4c1c28006
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+
+struct mlx5_flow_table *
+esw_acl_table_create(struct mlx5_eswitch *esw, u16 vport_num, int ns, int size)
+{
+ struct mlx5_core_dev *dev = esw->dev;
+ struct mlx5_flow_namespace *root_ns;
+ struct mlx5_flow_table *acl;
+ int acl_supported;
+ int vport_index;
+ int err;
+
+ acl_supported = (ns == MLX5_FLOW_NAMESPACE_ESW_INGRESS) ?
+ MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support) :
+ MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support);
+
+ if (!acl_supported)
+ return ERR_PTR(-EOPNOTSUPP);
+
+ esw_debug(dev, "Create vport[%d] %s ACL table\n", vport_num,
+ ns == MLX5_FLOW_NAMESPACE_ESW_INGRESS ? "ingress" : "egress");
+
+ vport_index = mlx5_eswitch_vport_num_to_index(esw, vport_num);
+ root_ns = mlx5_get_flow_vport_acl_namespace(dev, ns, vport_index);
+ if (!root_ns) {
+ esw_warn(dev, "Failed to get E-Switch root namespace for vport (%d)\n",
+ vport_num);
+ return ERR_PTR(-EOPNOTSUPP);
+ }
+
+ acl = mlx5_create_vport_flow_table(root_ns, 0, size, 0, vport_num);
+ if (IS_ERR(acl)) {
+ err = PTR_ERR(acl);
+ esw_warn(dev, "vport[%d] create %s ACL table, err(%d)\n", vport_num,
+ ns == MLX5_FLOW_NAMESPACE_ESW_INGRESS ? "ingress" : "egress", err);
+ }
+ return acl;
+}
+
+int esw_egress_acl_vlan_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport,
+ struct mlx5_flow_destination *fwd_dest,
+ u16 vlan_id, u32 flow_action)
+{
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_flow_spec *spec;
+ int err = 0;
+
+ if (vport->egress.allowed_vlan)
+ return -EEXIST;
+
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.cvlan_tag);
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid);
+ MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vlan_id);
+
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ flow_act.action = flow_action;
+ vport->egress.allowed_vlan =
+ mlx5_add_flow_rules(vport->egress.acl, spec,
+ &flow_act, fwd_dest, 0);
+ if (IS_ERR(vport->egress.allowed_vlan)) {
+ err = PTR_ERR(vport->egress.allowed_vlan);
+ esw_warn(esw->dev,
+ "vport[%d] configure egress vlan rule failed, err(%d)\n",
+ vport->vport, err);
+ vport->egress.allowed_vlan = NULL;
+ }
+
+ kvfree(spec);
+ return err;
+}
+
+void esw_acl_egress_vlan_destroy(struct mlx5_vport *vport)
+{
+ if (!IS_ERR_OR_NULL(vport->egress.allowed_vlan)) {
+ mlx5_del_flow_rules(vport->egress.allowed_vlan);
+ vport->egress.allowed_vlan = NULL;
+ }
+}
+
+int esw_acl_egress_vlan_grp_create(struct mlx5_eswitch *esw, struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_flow_group *vlan_grp;
+ void *match_criteria;
+ u32 *flow_group_in;
+ int ret = 0;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ MLX5_SET(create_flow_group_in, flow_group_in,
+ match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in,
+ flow_group_in, match_criteria);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.first_vid);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
+
+ vlan_grp = mlx5_create_flow_group(vport->egress.acl, flow_group_in);
+ if (IS_ERR(vlan_grp)) {
+ ret = PTR_ERR(vlan_grp);
+ esw_warn(esw->dev,
+ "Failed to create E-Switch vport[%d] egress pop vlans flow group, err(%d)\n",
+ vport->vport, ret);
+ goto out;
+ }
+ vport->egress.vlan_grp = vlan_grp;
+
+out:
+ kvfree(flow_group_in);
+ return ret;
+}
+
+void esw_acl_egress_vlan_grp_destroy(struct mlx5_vport *vport)
+{
+ if (!IS_ERR_OR_NULL(vport->egress.vlan_grp)) {
+ mlx5_destroy_flow_group(vport->egress.vlan_grp);
+ vport->egress.vlan_grp = NULL;
+ }
+}
+
+void esw_acl_egress_table_destroy(struct mlx5_vport *vport)
+{
+ if (IS_ERR_OR_NULL(vport->egress.acl))
+ return;
+
+ mlx5_destroy_flow_table(vport->egress.acl);
+ vport->egress.acl = NULL;
+}
+
+void esw_acl_ingress_table_destroy(struct mlx5_vport *vport)
+{
+ if (!vport->ingress.acl)
+ return;
+
+ mlx5_destroy_flow_table(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+}
+
+void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport)
+{
+ if (!vport->ingress.allow_rule)
+ return;
+
+ mlx5_del_flow_rules(vport->ingress.allow_rule);
+ vport->ingress.allow_rule = NULL;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h
new file mode 100644
index 000000000000..8dc4cab66a71
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/helper.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#ifndef __MLX5_ESWITCH_ACL_HELPER_H__
+#define __MLX5_ESWITCH_ACL_HELPER_H__
+
+#include "eswitch.h"
+
+/* General acl helper functions */
+struct mlx5_flow_table *
+esw_acl_table_create(struct mlx5_eswitch *esw, u16 vport_num, int ns, int size);
+
+/* Egress acl helper functions */
+void esw_acl_egress_table_destroy(struct mlx5_vport *vport);
+int esw_egress_acl_vlan_create(struct mlx5_eswitch *esw, struct mlx5_vport *vport,
+ struct mlx5_flow_destination *fwd_dest,
+ u16 vlan_id, u32 flow_action);
+void esw_acl_egress_vlan_destroy(struct mlx5_vport *vport);
+int esw_acl_egress_vlan_grp_create(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_egress_vlan_grp_destroy(struct mlx5_vport *vport);
+
+/* Ingress acl helper functions */
+void esw_acl_ingress_table_destroy(struct mlx5_vport *vport);
+void esw_acl_ingress_allow_rule_destroy(struct mlx5_vport *vport);
+
+#endif /* __MLX5_ESWITCH_ACL_HELPER_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
new file mode 100644
index 000000000000..9bda4fe2eafa
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
@@ -0,0 +1,279 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "lgcy.h"
+
+static void esw_acl_ingress_lgcy_rules_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.legacy.drop_rule) {
+ mlx5_del_flow_rules(vport->ingress.legacy.drop_rule);
+ vport->ingress.legacy.drop_rule = NULL;
+ }
+ esw_acl_ingress_allow_rule_destroy(vport);
+}
+
+static int esw_acl_ingress_lgcy_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_core_dev *dev = esw->dev;
+ struct mlx5_flow_group *g;
+ void *match_criteria;
+ u32 *flow_group_in;
+ int err;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
+
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n",
+ vport->vport, err);
+ goto spoof_err;
+ }
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
+ vport->vport, err);
+ goto untagged_err;
+ }
+ vport->ingress.legacy.allow_untagged_only_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable,
+ MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n",
+ vport->vport, err);
+ goto allow_spoof_err;
+ }
+ vport->ingress.legacy.allow_spoofchk_only_grp = g;
+
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ err = PTR_ERR(g);
+ esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n",
+ vport->vport, err);
+ goto drop_err;
+ }
+ vport->ingress.legacy.drop_grp = g;
+ kvfree(flow_group_in);
+ return 0;
+
+drop_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
+ vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
+ }
+allow_spoof_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
+ vport->ingress.legacy.allow_untagged_only_grp = NULL;
+ }
+untagged_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
+ }
+spoof_err:
+ kvfree(flow_group_in);
+ return err;
+}
+
+static void esw_acl_ingress_lgcy_groups_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.legacy.allow_spoofchk_only_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
+ vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
+ }
+ if (vport->ingress.legacy.allow_untagged_only_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
+ vport->ingress.legacy.allow_untagged_only_grp = NULL;
+ }
+ if (vport->ingress.legacy.allow_untagged_spoofchk_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
+ vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
+ }
+ if (vport->ingress.legacy.drop_grp) {
+ mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp);
+ vport->ingress.legacy.drop_grp = NULL;
+ }
+}
+
+int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ struct mlx5_flow_destination drop_ctr_dst = {};
+ struct mlx5_flow_destination *dst = NULL;
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_flow_spec *spec = NULL;
+ struct mlx5_fc *counter = NULL;
+ /* The ingress acl table contains 4 groups
+ * (2 active rules at the same time -
+ * 1 allow rule from one of the first 3 groups.
+ * 1 drop rule from the last group):
+ * 1)Allow untagged traffic with smac=original mac.
+ * 2)Allow untagged traffic.
+ * 3)Allow traffic with smac=original mac.
+ * 4)Drop all other traffic.
+ */
+ int table_size = 4;
+ int dest_num = 0;
+ int err = 0;
+ u8 *smac_v;
+
+ esw_acl_ingress_lgcy_rules_destroy(vport);
+
+ if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) {
+ counter = mlx5_fc_create(esw->dev, false);
+ if (IS_ERR(counter))
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress drop rule counter failed\n",
+ vport->vport);
+ vport->ingress.legacy.drop_counter = counter;
+ }
+
+ if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
+ return 0;
+ }
+
+ if (!vport->ingress.acl) {
+ vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ table_size);
+ if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+ err = PTR_ERR(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+ return err;
+ }
+
+ err = esw_acl_ingress_lgcy_groups_create(esw, vport);
+ if (err)
+ goto out;
+ }
+
+ esw_debug(esw->dev,
+ "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
+ vport->vport, vport->info.vlan, vport->info.qos);
+
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ if (vport->info.vlan || vport->info.qos)
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.cvlan_tag);
+
+ if (vport->info.spoofchk) {
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.smac_47_16);
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+ outer_headers.smac_15_0);
+ smac_v = MLX5_ADDR_OF(fte_match_param,
+ spec->match_value,
+ outer_headers.smac_47_16);
+ ether_addr_copy(smac_v, vport->info.mac);
+ }
+
+ /* Create ingress allow rule */
+ memset(spec, 0, sizeof(*spec));
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec,
+ &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.allow_rule)) {
+ err = PTR_ERR(vport->ingress.allow_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress allow rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.allow_rule = NULL;
+ goto out;
+ }
+
+ memset(&flow_act, 0, sizeof(flow_act));
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
+ /* Attach drop flow counter */
+ if (counter) {
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
+ drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ drop_ctr_dst.counter_id = mlx5_fc_id(counter);
+ dst = &drop_ctr_dst;
+ dest_num++;
+ }
+ vport->ingress.legacy.drop_rule =
+ mlx5_add_flow_rules(vport->ingress.acl, NULL,
+ &flow_act, dst, dest_num);
+ if (IS_ERR(vport->ingress.legacy.drop_rule)) {
+ err = PTR_ERR(vport->ingress.legacy.drop_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress drop rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.legacy.drop_rule = NULL;
+ goto out;
+ }
+ kvfree(spec);
+ return 0;
+
+out:
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
+ kvfree(spec);
+ return err;
+}
+
+void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (IS_ERR_OR_NULL(vport->ingress.acl))
+ goto clean_drop_counter;
+
+ esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
+
+ esw_acl_ingress_lgcy_rules_destroy(vport);
+ esw_acl_ingress_lgcy_groups_destroy(vport);
+ esw_acl_ingress_table_destroy(vport);
+
+clean_drop_counter:
+ if (!IS_ERR_OR_NULL(vport->ingress.legacy.drop_counter)) {
+ mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
+ vport->ingress.legacy.drop_counter = NULL;
+ }
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c
new file mode 100644
index 000000000000..4e55d7225a26
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c
@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#include "mlx5_core.h"
+#include "eswitch.h"
+#include "helper.h"
+#include "ofld.h"
+
+static bool
+esw_acl_ingress_prio_tag_enabled(const struct mlx5_eswitch *esw,
+ const struct mlx5_vport *vport)
+{
+ return (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
+ mlx5_eswitch_is_vf_vport(esw, vport->vport));
+}
+
+static int esw_acl_ingress_prio_tag_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ struct mlx5_flow_act flow_act = {};
+ struct mlx5_flow_spec *spec;
+ int err = 0;
+
+ /* For prio tag mode, there is only 1 FTEs:
+ * 1) Untagged packets - push prio tag VLAN and modify metadata if
+ * required, allow
+ * Unmatched traffic is allowed by default
+ */
+ spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+ if (!spec)
+ return -ENOMEM;
+
+ /* Untagged packets - push prio tag VLAN, allow */
+ MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 0);
+ spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH |
+ MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ flow_act.vlan[0].ethtype = ETH_P_8021Q;
+ flow_act.vlan[0].vid = 0;
+ flow_act.vlan[0].prio = 0;
+
+ if (vport->ingress.offloads.modify_metadata_rule) {
+ flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+ flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
+ }
+
+ vport->ingress.allow_rule = mlx5_add_flow_rules(vport->ingress.acl, spec,
+ &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.allow_rule)) {
+ err = PTR_ERR(vport->ingress.allow_rule);
+ esw_warn(esw->dev,
+ "vport[%d] configure ingress untagged allow rule, err(%d)\n",
+ vport->vport, err);
+ vport->ingress.allow_rule = NULL;
+ }
+
+ kvfree(spec);
+ return err;
+}
+
+static int esw_acl_ingress_mod_metadata_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
+ struct mlx5_flow_act flow_act = {};
+ int err = 0;
+ u32 key;
+
+ key = mlx5_eswitch_get_vport_metadata_for_match(esw, vport->vport);
+ key >>= ESW_SOURCE_PORT_METADATA_OFFSET;
+
+ MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
+ MLX5_SET(set_action_in, action, field,
+ MLX5_ACTION_IN_FIELD_METADATA_REG_C_0);
+ MLX5_SET(set_action_in, action, data, key);
+ MLX5_SET(set_action_in, action, offset,
+ ESW_SOURCE_PORT_METADATA_OFFSET);
+ MLX5_SET(set_action_in, action, length,
+ ESW_SOURCE_PORT_METADATA_BITS);
+
+ vport->ingress.offloads.modify_metadata =
+ mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ 1, action);
+ if (IS_ERR(vport->ingress.offloads.modify_metadata)) {
+ err = PTR_ERR(vport->ingress.offloads.modify_metadata);
+ esw_warn(esw->dev,
+ "failed to alloc modify header for vport %d ingress acl (%d)\n",
+ vport->vport, err);
+ return err;
+ }
+
+ flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+ flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
+ vport->ingress.offloads.modify_metadata_rule =
+ mlx5_add_flow_rules(vport->ingress.acl,
+ NULL, &flow_act, NULL, 0);
+ if (IS_ERR(vport->ingress.offloads.modify_metadata_rule)) {
+ err = PTR_ERR(vport->ingress.offloads.modify_metadata_rule);
+ esw_warn(esw->dev,
+ "failed to add setting metadata rule for vport %d ingress acl, err(%d)\n",
+ vport->vport, err);
+ mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
+ vport->ingress.offloads.modify_metadata_rule = NULL;
+ }
+ return err;
+}
+
+static void esw_acl_ingress_mod_metadata_destroy(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (!vport->ingress.offloads.modify_metadata_rule)
+ return;
+
+ mlx5_del_flow_rules(vport->ingress.offloads.modify_metadata_rule);
+ mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
+ vport->ingress.offloads.modify_metadata_rule = NULL;
+}
+
+static int esw_acl_ingress_ofld_rules_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int err;
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
+ err = esw_acl_ingress_mod_metadata_create(esw, vport);
+ if (err) {
+ esw_warn(esw->dev,
+ "vport(%d) create ingress modify metadata, err(%d)\n",
+ vport->vport, err);
+ return err;
+ }
+ }
+
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport)) {
+ err = esw_acl_ingress_prio_tag_create(esw, vport);
+ if (err) {
+ esw_warn(esw->dev,
+ "vport(%d) create ingress prio tag rule, err(%d)\n",
+ vport->vport, err);
+ goto prio_tag_err;
+ }
+ }
+
+ return 0;
+
+prio_tag_err:
+ esw_acl_ingress_mod_metadata_destroy(esw, vport);
+ return err;
+}
+
+static void esw_acl_ingress_ofld_rules_destroy(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ esw_acl_ingress_allow_rule_destroy(vport);
+ esw_acl_ingress_mod_metadata_destroy(esw, vport);
+}
+
+static int esw_acl_ingress_ofld_groups_create(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ struct mlx5_flow_group *g;
+ void *match_criteria;
+ u32 *flow_group_in;
+ u32 flow_index = 0;
+ int ret = 0;
+
+ flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+ if (!flow_group_in)
+ return -ENOMEM;
+
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport)) {
+ /* This group is to hold FTE to match untagged packets when prio_tag
+ * is enabled.
+ */
+ match_criteria = MLX5_ADDR_OF(create_flow_group_in,
+ flow_group_in, match_criteria);
+ MLX5_SET(create_flow_group_in, flow_group_in,
+ match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
+ MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ ret = PTR_ERR(g);
+ esw_warn(esw->dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
+ vport->vport, ret);
+ goto prio_tag_err;
+ }
+ vport->ingress.offloads.metadata_prio_tag_grp = g;
+ flow_index++;
+ }
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
+ /* This group holds an FTE with no match to add metadata for
+ * tagged packets if prio-tag is enabled, or for all untagged
+ * traffic in case prio-tag is disabled.
+ */
+ memset(flow_group_in, 0, inlen);
+ MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
+ MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
+
+ g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
+ if (IS_ERR(g)) {
+ ret = PTR_ERR(g);
+ esw_warn(esw->dev, "vport[%d] ingress create drop flow group, err(%d)\n",
+ vport->vport, ret);
+ goto metadata_err;
+ }
+ vport->ingress.offloads.metadata_allmatch_grp = g;
+ }
+
+ kvfree(flow_group_in);
+ return 0;
+
+metadata_err:
+ if (!IS_ERR_OR_NULL(vport->ingress.offloads.metadata_prio_tag_grp)) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
+ vport->ingress.offloads.metadata_prio_tag_grp = NULL;
+ }
+prio_tag_err:
+ kvfree(flow_group_in);
+ return ret;
+}
+
+static void esw_acl_ingress_ofld_groups_destroy(struct mlx5_vport *vport)
+{
+ if (vport->ingress.offloads.metadata_allmatch_grp) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_allmatch_grp);
+ vport->ingress.offloads.metadata_allmatch_grp = NULL;
+ }
+
+ if (vport->ingress.offloads.metadata_prio_tag_grp) {
+ mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
+ vport->ingress.offloads.metadata_prio_tag_grp = NULL;
+ }
+}
+
+int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ int num_ftes = 0;
+ int err;
+
+ if (!mlx5_eswitch_vport_match_metadata_enabled(esw) &&
+ !esw_acl_ingress_prio_tag_enabled(esw, vport))
+ return 0;
+
+ esw_acl_ingress_allow_rule_destroy(vport);
+
+ if (mlx5_eswitch_vport_match_metadata_enabled(esw))
+ num_ftes++;
+ if (esw_acl_ingress_prio_tag_enabled(esw, vport))
+ num_ftes++;
+
+ vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
+ MLX5_FLOW_NAMESPACE_ESW_INGRESS,
+ num_ftes);
+ if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+ err = PTR_ERR(vport->ingress.acl);
+ vport->ingress.acl = NULL;
+ return err;
+ }
+
+ err = esw_acl_ingress_ofld_groups_create(esw, vport);
+ if (err)
+ goto group_err;
+
+ esw_debug(esw->dev,
+ "vport[%d] configure ingress rules\n", vport->vport);
+
+ err = esw_acl_ingress_ofld_rules_create(esw, vport);
+ if (err)
+ goto rules_err;
+
+ return 0;
+
+rules_err:
+ esw_acl_ingress_ofld_groups_destroy(vport);
+group_err:
+ esw_acl_ingress_table_destroy(vport);
+ return err;
+}
+
+void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ esw_acl_ingress_ofld_rules_destroy(esw, vport);
+ esw_acl_ingress_ofld_groups_destroy(vport);
+ esw_acl_ingress_table_destroy(vport);
+}
+
+/* Caller must hold rtnl_lock */
+int mlx5_esw_acl_ingress_vport_bond_update(struct mlx5_eswitch *esw, u16 vport_num,
+ u32 metadata)
+{
+ struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num);
+ int err;
+
+ if (WARN_ON_ONCE(IS_ERR(vport))) {
+ esw_warn(esw->dev, "vport(%d) invalid!\n", vport_num);
+ err = PTR_ERR(vport);
+ goto out;
+ }
+
+ esw_acl_ingress_ofld_rules_destroy(esw, vport);
+
+ vport->metadata = metadata ? metadata : vport->default_metadata;
+
+ /* Recreate ingress acl rules with vport->metadata */
+ err = esw_acl_ingress_ofld_rules_create(esw, vport);
+ if (err)
+ goto out;
+
+ return 0;
+
+out:
+ vport->metadata = vport->default_metadata;
+ return err;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h
new file mode 100644
index 000000000000..44c152da3d83
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/lgcy.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#ifndef __MLX5_ESWITCH_ACL_LGCY_H__
+#define __MLX5_ESWITCH_ACL_LGCY_H__
+
+#include "eswitch.h"
+
+/* Eswitch acl egress external APIs */
+int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_egress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+
+/* Eswitch acl ingress external APIs */
+int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_ingress_lgcy_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+
+#endif /* __MLX5_ESWITCH_ACL_LGCY_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h
new file mode 100644
index 000000000000..c57869b93d60
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ofld.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2020 Mellanox Technologies Inc. All rights reserved. */
+
+#ifndef __MLX5_ESWITCH_ACL_OFLD_H__
+#define __MLX5_ESWITCH_ACL_OFLD_H__
+
+#include "eswitch.h"
+
+/* Eswitch acl egress external APIs */
+int esw_acl_egress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_egress_ofld_cleanup(struct mlx5_vport *vport);
+int mlx5_esw_acl_egress_vport_bond(struct mlx5_eswitch *esw, u16 active_vport_num,
+ u16 passive_vport_num);
+int mlx5_esw_acl_egress_vport_unbond(struct mlx5_eswitch *esw, u16 vport_num);
+
+static inline bool mlx5_esw_acl_egress_fwd2vport_supported(struct mlx5_eswitch *esw)
+{
+ return esw && esw->mode == MLX5_ESWITCH_OFFLOADS &&
+ mlx5_eswitch_vport_match_metadata_enabled(esw) &&
+ MLX5_CAP_ESW_FLOWTABLE(esw->dev, egress_acl_forward_to_vport);
+}
+
+/* Eswitch acl ingress external APIs */
+int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+void esw_acl_ingress_ofld_cleanup(struct mlx5_eswitch *esw, struct mlx5_vport *vport);
+int mlx5_esw_acl_ingress_vport_bond_update(struct mlx5_eswitch *esw, u16 vport_num,
+ u32 metadata);
+
+#endif /* __MLX5_ESWITCH_ACL_OFLD_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.c
index 029001040737..d5bf908dfecd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.c
@@ -274,7 +274,7 @@ mlx5_esw_chains_destroy_fdb_table(struct mlx5_eswitch *esw,
static int
create_fdb_chain_restore(struct fdb_chain *fdb_chain)
{
- char modact[MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto)];
+ char modact[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)];
struct mlx5_eswitch *esw = fdb_chain->esw;
struct mlx5_modify_hdr *mod_hdr;
u32 index;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.h
index f8c4239846ea..7679ac359e31 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/chains.h
@@ -6,6 +6,8 @@
#include "eswitch.h"
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
+
bool
mlx5_esw_chains_prios_supported(struct mlx5_eswitch *esw);
bool
@@ -46,4 +48,21 @@ void mlx5_esw_chains_destroy(struct mlx5_eswitch *esw);
int
mlx5_eswitch_get_chain_for_tag(struct mlx5_eswitch *esw, u32 tag, u32 *chain);
+#else /* CONFIG_MLX5_CLS_ACT */
+
+static inline struct mlx5_flow_table *
+mlx5_esw_chains_get_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
+ u32 level) { return ERR_PTR(-EOPNOTSUPP); }
+static inline void
+mlx5_esw_chains_put_table(struct mlx5_eswitch *esw, u32 chain, u32 prio,
+ u32 level) {}
+
+static inline struct mlx5_flow_table *
+mlx5_esw_chains_get_tc_end_ft(struct mlx5_eswitch *esw) { return ERR_PTR(-EOPNOTSUPP); }
+
+static inline int mlx5_esw_chains_create(struct mlx5_eswitch *esw) { return 0; }
+static inline void mlx5_esw_chains_destroy(struct mlx5_eswitch *esw) {}
+
+#endif /* CONFIG_MLX5_CLS_ACT */
+
#endif /* __ML5_ESW_CHAINS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 7f618a443bfd..1116ab9bea6c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -35,6 +35,7 @@
#include <linux/mlx5/mlx5_ifc.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/fs.h>
+#include "esw/acl/lgcy.h"
#include "mlx5_core.h"
#include "lib/eq.h"
#include "eswitch.h"
@@ -84,8 +85,7 @@ mlx5_eswitch_get_vport(struct mlx5_eswitch *esw, u16 vport_num)
static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
u32 events_mask)
{
- int in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {0};
- int out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {};
void *nic_vport_ctx;
MLX5_SET(modify_nic_vport_context_in, in,
@@ -108,40 +108,24 @@ static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
MLX5_SET(nic_vport_context, nic_vport_ctx,
event_on_promisc_change, 1);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_nic_vport_context, in);
}
/* E-Switch vport context HW commands */
int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
- bool other_vport,
- void *in, int inlen)
+ bool other_vport, void *in)
{
- u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)] = {0};
-
MLX5_SET(modify_esw_vport_context_in, in, opcode,
MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
MLX5_SET(modify_esw_vport_context_in, in, other_vport, other_vport);
- return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
-}
-
-int mlx5_eswitch_query_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
- bool other_vport,
- void *out, int outlen)
-{
- u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)] = {};
-
- MLX5_SET(query_esw_vport_context_in, in, opcode,
- MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
- MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
- MLX5_SET(modify_esw_vport_context_in, in, other_vport, other_vport);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ return mlx5_cmd_exec_in(dev, modify_esw_vport_context, in);
}
static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u16 vport,
u16 vlan, u8 qos, u8 set_flags)
{
- u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {};
if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
!MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
@@ -170,8 +154,7 @@ static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u16 vport,
MLX5_SET(modify_esw_vport_context_in, in,
field_select.vport_cvlan_insert, 1);
- return mlx5_eswitch_modify_esw_vport_context(dev, vport, true,
- in, sizeof(in));
+ return mlx5_eswitch_modify_esw_vport_context(dev, vport, true, in);
}
/* E-Switch FDB */
@@ -954,512 +937,6 @@ static void esw_vport_change_handler(struct work_struct *work)
mutex_unlock(&esw->state_lock);
}
-int esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
- struct mlx5_flow_group *vlan_grp = NULL;
- struct mlx5_flow_group *drop_grp = NULL;
- struct mlx5_core_dev *dev = esw->dev;
- struct mlx5_flow_namespace *root_ns;
- struct mlx5_flow_table *acl;
- void *match_criteria;
- u32 *flow_group_in;
- /* The egress acl table contains 2 rules:
- * 1)Allow traffic with vlan_tag=vst_vlan_id
- * 2)Drop all other traffic.
- */
- int table_size = 2;
- int err = 0;
-
- if (!MLX5_CAP_ESW_EGRESS_ACL(dev, ft_support))
- return -EOPNOTSUPP;
-
- if (!IS_ERR_OR_NULL(vport->egress.acl))
- return 0;
-
- esw_debug(dev, "Create vport[%d] egress ACL log_max_size(%d)\n",
- vport->vport, MLX5_CAP_ESW_EGRESS_ACL(dev, log_max_ft_size));
-
- root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_EGRESS,
- mlx5_eswitch_vport_num_to_index(esw, vport->vport));
- if (!root_ns) {
- esw_warn(dev, "Failed to get E-Switch egress flow namespace for vport (%d)\n", vport->vport);
- return -EOPNOTSUPP;
- }
-
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
- if (!flow_group_in)
- return -ENOMEM;
-
- acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
- if (IS_ERR(acl)) {
- err = PTR_ERR(acl);
- esw_warn(dev, "Failed to create E-Switch vport[%d] egress flow Table, err(%d)\n",
- vport->vport, err);
- goto out;
- }
-
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.first_vid);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
-
- vlan_grp = mlx5_create_flow_group(acl, flow_group_in);
- if (IS_ERR(vlan_grp)) {
- err = PTR_ERR(vlan_grp);
- esw_warn(dev, "Failed to create E-Switch vport[%d] egress allowed vlans flow group, err(%d)\n",
- vport->vport, err);
- goto out;
- }
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
- drop_grp = mlx5_create_flow_group(acl, flow_group_in);
- if (IS_ERR(drop_grp)) {
- err = PTR_ERR(drop_grp);
- esw_warn(dev, "Failed to create E-Switch vport[%d] egress drop flow group, err(%d)\n",
- vport->vport, err);
- goto out;
- }
-
- vport->egress.acl = acl;
- vport->egress.drop_grp = drop_grp;
- vport->egress.allowed_vlans_grp = vlan_grp;
-out:
- kvfree(flow_group_in);
- if (err && !IS_ERR_OR_NULL(vlan_grp))
- mlx5_destroy_flow_group(vlan_grp);
- if (err && !IS_ERR_OR_NULL(acl))
- mlx5_destroy_flow_table(acl);
- return err;
-}
-
-void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (!IS_ERR_OR_NULL(vport->egress.allowed_vlan)) {
- mlx5_del_flow_rules(vport->egress.allowed_vlan);
- vport->egress.allowed_vlan = NULL;
- }
-
- if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_rule)) {
- mlx5_del_flow_rules(vport->egress.legacy.drop_rule);
- vport->egress.legacy.drop_rule = NULL;
- }
-}
-
-void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (IS_ERR_OR_NULL(vport->egress.acl))
- return;
-
- esw_debug(esw->dev, "Destroy vport[%d] E-Switch egress ACL\n", vport->vport);
-
- esw_vport_cleanup_egress_rules(esw, vport);
- mlx5_destroy_flow_group(vport->egress.allowed_vlans_grp);
- mlx5_destroy_flow_group(vport->egress.drop_grp);
- mlx5_destroy_flow_table(vport->egress.acl);
- vport->egress.allowed_vlans_grp = NULL;
- vport->egress.drop_grp = NULL;
- vport->egress.acl = NULL;
-}
-
-static int
-esw_vport_create_legacy_ingress_acl_groups(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
- struct mlx5_core_dev *dev = esw->dev;
- struct mlx5_flow_group *g;
- void *match_criteria;
- u32 *flow_group_in;
- int err;
-
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
- if (!flow_group_in)
- return -ENOMEM;
-
- match_criteria = MLX5_ADDR_OF(create_flow_group_in, flow_group_in, match_criteria);
-
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 0);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 0);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create untagged spoofchk flow group, err(%d)\n",
- vport->vport, err);
- goto spoof_err;
- }
- vport->ingress.legacy.allow_untagged_spoofchk_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
- vport->vport, err);
- goto untagged_err;
- }
- vport->ingress.legacy.allow_untagged_only_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.smac_15_0);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 2);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 2);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create spoofchk flow group, err(%d)\n",
- vport->vport, err);
- goto allow_spoof_err;
- }
- vport->ingress.legacy.allow_spoofchk_only_grp = g;
-
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 3);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 3);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- err = PTR_ERR(g);
- esw_warn(dev, "vport[%d] ingress create drop flow group, err(%d)\n",
- vport->vport, err);
- goto drop_err;
- }
- vport->ingress.legacy.drop_grp = g;
- kvfree(flow_group_in);
- return 0;
-
-drop_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_spoofchk_only_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
- vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
- }
-allow_spoof_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_only_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
- vport->ingress.legacy.allow_untagged_only_grp = NULL;
- }
-untagged_err:
- if (!IS_ERR_OR_NULL(vport->ingress.legacy.allow_untagged_spoofchk_grp)) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
- vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
- }
-spoof_err:
- kvfree(flow_group_in);
- return err;
-}
-
-int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport, int table_size)
-{
- struct mlx5_core_dev *dev = esw->dev;
- struct mlx5_flow_namespace *root_ns;
- struct mlx5_flow_table *acl;
- int vport_index;
- int err;
-
- if (!MLX5_CAP_ESW_INGRESS_ACL(dev, ft_support))
- return -EOPNOTSUPP;
-
- esw_debug(dev, "Create vport[%d] ingress ACL log_max_size(%d)\n",
- vport->vport, MLX5_CAP_ESW_INGRESS_ACL(dev, log_max_ft_size));
-
- vport_index = mlx5_eswitch_vport_num_to_index(esw, vport->vport);
- root_ns = mlx5_get_flow_vport_acl_namespace(dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
- vport_index);
- if (!root_ns) {
- esw_warn(dev, "Failed to get E-Switch ingress flow namespace for vport (%d)\n",
- vport->vport);
- return -EOPNOTSUPP;
- }
-
- acl = mlx5_create_vport_flow_table(root_ns, 0, table_size, 0, vport->vport);
- if (IS_ERR(acl)) {
- err = PTR_ERR(acl);
- esw_warn(dev, "vport[%d] ingress create flow Table, err(%d)\n",
- vport->vport, err);
- return err;
- }
- vport->ingress.acl = acl;
- return 0;
-}
-
-void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport)
-{
- if (!vport->ingress.acl)
- return;
-
- mlx5_destroy_flow_table(vport->ingress.acl);
- vport->ingress.acl = NULL;
-}
-
-void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (vport->ingress.legacy.drop_rule) {
- mlx5_del_flow_rules(vport->ingress.legacy.drop_rule);
- vport->ingress.legacy.drop_rule = NULL;
- }
-
- if (vport->ingress.allow_rule) {
- mlx5_del_flow_rules(vport->ingress.allow_rule);
- vport->ingress.allow_rule = NULL;
- }
-}
-
-static void esw_vport_disable_legacy_ingress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (!vport->ingress.acl)
- return;
-
- esw_debug(esw->dev, "Destroy vport[%d] E-Switch ingress ACL\n", vport->vport);
-
- esw_vport_cleanup_ingress_rules(esw, vport);
- if (vport->ingress.legacy.allow_spoofchk_only_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_spoofchk_only_grp);
- vport->ingress.legacy.allow_spoofchk_only_grp = NULL;
- }
- if (vport->ingress.legacy.allow_untagged_only_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_only_grp);
- vport->ingress.legacy.allow_untagged_only_grp = NULL;
- }
- if (vport->ingress.legacy.allow_untagged_spoofchk_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.allow_untagged_spoofchk_grp);
- vport->ingress.legacy.allow_untagged_spoofchk_grp = NULL;
- }
- if (vport->ingress.legacy.drop_grp) {
- mlx5_destroy_flow_group(vport->ingress.legacy.drop_grp);
- vport->ingress.legacy.drop_grp = NULL;
- }
- esw_vport_destroy_ingress_acl_table(vport);
-}
-
-static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- struct mlx5_fc *counter = vport->ingress.legacy.drop_counter;
- struct mlx5_flow_destination drop_ctr_dst = {0};
- struct mlx5_flow_destination *dst = NULL;
- struct mlx5_flow_act flow_act = {0};
- struct mlx5_flow_spec *spec = NULL;
- int dest_num = 0;
- int err = 0;
- u8 *smac_v;
-
- /* The ingress acl table contains 4 groups
- * (2 active rules at the same time -
- * 1 allow rule from one of the first 3 groups.
- * 1 drop rule from the last group):
- * 1)Allow untagged traffic with smac=original mac.
- * 2)Allow untagged traffic.
- * 3)Allow traffic with smac=original mac.
- * 4)Drop all other traffic.
- */
- int table_size = 4;
-
- esw_vport_cleanup_ingress_rules(esw, vport);
-
- if (!vport->info.vlan && !vport->info.qos && !vport->info.spoofchk) {
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- return 0;
- }
-
- if (!vport->ingress.acl) {
- err = esw_vport_create_ingress_acl_table(esw, vport, table_size);
- if (err) {
- esw_warn(esw->dev,
- "vport[%d] enable ingress acl err (%d)\n",
- err, vport->vport);
- return err;
- }
-
- err = esw_vport_create_legacy_ingress_acl_groups(esw, vport);
- if (err)
- goto out;
- }
-
- esw_debug(esw->dev,
- "vport[%d] configure ingress rules, vlan(%d) qos(%d)\n",
- vport->vport, vport->info.vlan, vport->info.qos);
-
- spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec) {
- err = -ENOMEM;
- goto out;
- }
-
- if (vport->info.vlan || vport->info.qos)
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
-
- if (vport->info.spoofchk) {
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_47_16);
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.smac_15_0);
- smac_v = MLX5_ADDR_OF(fte_match_param,
- spec->match_value,
- outer_headers.smac_47_16);
- ether_addr_copy(smac_v, vport->info.mac);
- }
-
- spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- vport->ingress.allow_rule =
- mlx5_add_flow_rules(vport->ingress.acl, spec,
- &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.allow_rule)) {
- err = PTR_ERR(vport->ingress.allow_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress allow rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.allow_rule = NULL;
- goto out;
- }
-
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
-
- /* Attach drop flow counter */
- if (counter) {
- flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
- drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- drop_ctr_dst.counter_id = mlx5_fc_id(counter);
- dst = &drop_ctr_dst;
- dest_num++;
- }
- vport->ingress.legacy.drop_rule =
- mlx5_add_flow_rules(vport->ingress.acl, NULL,
- &flow_act, dst, dest_num);
- if (IS_ERR(vport->ingress.legacy.drop_rule)) {
- err = PTR_ERR(vport->ingress.legacy.drop_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress drop rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.legacy.drop_rule = NULL;
- goto out;
- }
- kvfree(spec);
- return 0;
-
-out:
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- kvfree(spec);
- return err;
-}
-
-int mlx5_esw_create_vport_egress_acl_vlan(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport,
- u16 vlan_id, u32 flow_action)
-{
- struct mlx5_flow_act flow_act = {};
- struct mlx5_flow_spec *spec;
- int err = 0;
-
- if (vport->egress.allowed_vlan)
- return -EEXIST;
-
- spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
-
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
- MLX5_SET_TO_ONES(fte_match_param, spec->match_value, outer_headers.cvlan_tag);
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.first_vid);
- MLX5_SET(fte_match_param, spec->match_value, outer_headers.first_vid, vlan_id);
-
- spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
- flow_act.action = flow_action;
- vport->egress.allowed_vlan =
- mlx5_add_flow_rules(vport->egress.acl, spec,
- &flow_act, NULL, 0);
- if (IS_ERR(vport->egress.allowed_vlan)) {
- err = PTR_ERR(vport->egress.allowed_vlan);
- esw_warn(esw->dev,
- "vport[%d] configure egress vlan rule failed, err(%d)\n",
- vport->vport, err);
- vport->egress.allowed_vlan = NULL;
- }
-
- kvfree(spec);
- return err;
-}
-
-static int esw_vport_egress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- struct mlx5_fc *counter = vport->egress.legacy.drop_counter;
- struct mlx5_flow_destination drop_ctr_dst = {0};
- struct mlx5_flow_destination *dst = NULL;
- struct mlx5_flow_act flow_act = {0};
- int dest_num = 0;
- int err = 0;
-
- esw_vport_cleanup_egress_rules(esw, vport);
-
- if (!vport->info.vlan && !vport->info.qos) {
- esw_vport_disable_egress_acl(esw, vport);
- return 0;
- }
-
- err = esw_vport_enable_egress_acl(esw, vport);
- if (err) {
- mlx5_core_warn(esw->dev,
- "failed to enable egress acl (%d) on vport[%d]\n",
- err, vport->vport);
- return err;
- }
-
- esw_debug(esw->dev,
- "vport[%d] configure egress rules, vlan(%d) qos(%d)\n",
- vport->vport, vport->info.vlan, vport->info.qos);
-
- /* Allowed vlan rule */
- err = mlx5_esw_create_vport_egress_acl_vlan(esw, vport, vport->info.vlan,
- MLX5_FLOW_CONTEXT_ACTION_ALLOW);
- if (err)
- return err;
-
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
-
- /* Attach egress drop flow counter */
- if (counter) {
- flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
- drop_ctr_dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
- drop_ctr_dst.counter_id = mlx5_fc_id(counter);
- dst = &drop_ctr_dst;
- dest_num++;
- }
- vport->egress.legacy.drop_rule =
- mlx5_add_flow_rules(vport->egress.acl, NULL,
- &flow_act, dst, dest_num);
- if (IS_ERR(vport->egress.legacy.drop_rule)) {
- err = PTR_ERR(vport->egress.legacy.drop_rule);
- esw_warn(esw->dev,
- "vport[%d] configure egress drop rule failed, err(%d)\n",
- vport->vport, err);
- vport->egress.legacy.drop_rule = NULL;
- }
-
- return err;
-}
-
static bool element_type_supported(struct mlx5_eswitch *esw, int type)
{
const struct mlx5_core_dev *dev = esw->dev;
@@ -1671,44 +1148,19 @@ static int esw_vport_create_legacy_acl_tables(struct mlx5_eswitch *esw,
if (mlx5_esw_is_manager_vport(esw, vport->vport))
return 0;
- if (MLX5_CAP_ESW_INGRESS_ACL(esw->dev, flow_counter)) {
- vport->ingress.legacy.drop_counter = mlx5_fc_create(esw->dev, false);
- if (IS_ERR(vport->ingress.legacy.drop_counter)) {
- esw_warn(esw->dev,
- "vport[%d] configure ingress drop rule counter failed\n",
- vport->vport);
- vport->ingress.legacy.drop_counter = NULL;
- }
- }
-
- ret = esw_vport_ingress_config(esw, vport);
+ ret = esw_acl_ingress_lgcy_setup(esw, vport);
if (ret)
goto ingress_err;
- if (MLX5_CAP_ESW_EGRESS_ACL(esw->dev, flow_counter)) {
- vport->egress.legacy.drop_counter = mlx5_fc_create(esw->dev, false);
- if (IS_ERR(vport->egress.legacy.drop_counter)) {
- esw_warn(esw->dev,
- "vport[%d] configure egress drop rule counter failed\n",
- vport->vport);
- vport->egress.legacy.drop_counter = NULL;
- }
- }
-
- ret = esw_vport_egress_config(esw, vport);
+ ret = esw_acl_egress_lgcy_setup(esw, vport);
if (ret)
goto egress_err;
return 0;
egress_err:
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter);
- vport->egress.legacy.drop_counter = NULL;
-
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
ingress_err:
- mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
- vport->ingress.legacy.drop_counter = NULL;
return ret;
}
@@ -1728,13 +1180,8 @@ static void esw_vport_destroy_legacy_acl_tables(struct mlx5_eswitch *esw,
if (mlx5_esw_is_manager_vport(esw, vport->vport))
return;
- esw_vport_disable_egress_acl(esw, vport);
- mlx5_fc_destroy(esw->dev, vport->egress.legacy.drop_counter);
- vport->egress.legacy.drop_counter = NULL;
-
- esw_vport_disable_legacy_ingress_acl(esw, vport);
- mlx5_fc_destroy(esw->dev, vport->ingress.legacy.drop_counter);
- vport->ingress.legacy.drop_counter = NULL;
+ esw_acl_egress_lgcy_cleanup(esw, vport);
+ esw_acl_ingress_lgcy_cleanup(esw, vport);
}
static void esw_vport_cleanup_acl(struct mlx5_eswitch *esw,
@@ -1901,7 +1348,7 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev)
MLX5_SET(query_esw_functions_in, in, opcode,
MLX5_CMD_OP_QUERY_ESW_FUNCTIONS);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ err = mlx5_cmd_exec_inout(dev, query_esw_functions, in, out);
if (!err)
return out;
@@ -2280,7 +1727,10 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
hash_init(esw->offloads.encap_tbl);
mutex_init(&esw->offloads.mod_hdr.lock);
hash_init(esw->offloads.mod_hdr.hlist);
+ mutex_init(&esw->offloads.decap_tbl_lock);
+ hash_init(esw->offloads.decap_tbl);
atomic64_set(&esw->offloads.num_flows, 0);
+ ida_init(&esw->offloads.vport_metadata_ida);
mutex_init(&esw->state_lock);
mutex_init(&esw->mode_lock);
@@ -2319,8 +1769,10 @@ void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
esw_offloads_cleanup_reps(esw);
mutex_destroy(&esw->mode_lock);
mutex_destroy(&esw->state_lock);
+ ida_destroy(&esw->offloads.vport_metadata_ida);
mutex_destroy(&esw->offloads.mod_hdr.lock);
mutex_destroy(&esw->offloads.encap_tbl_lock);
+ mutex_destroy(&esw->offloads.decap_tbl_lock);
kfree(esw->vports);
kfree(esw);
}
@@ -2363,7 +1815,7 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
ether_addr_copy(evport->info.mac, mac);
evport->info.node_guid = node_guid;
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
unlock:
mutex_unlock(&esw->state_lock);
@@ -2445,10 +1897,10 @@ int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
evport->info.vlan = vlan;
evport->info.qos = qos;
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY) {
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
if (err)
return err;
- err = esw_vport_egress_config(esw, evport);
+ err = esw_acl_egress_lgcy_setup(esw, evport);
}
return err;
@@ -2490,7 +1942,7 @@ int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
"Spoofchk in set while MAC is invalid, vport(%d)\n",
evport->vport);
if (evport->enabled && esw->mode == MLX5_ESWITCH_LEGACY)
- err = esw_vport_ingress_config(esw, evport);
+ err = esw_acl_ingress_lgcy_setup(esw, evport);
if (err)
evport->info.spoofchk = pschk;
mutex_unlock(&esw->state_lock);
@@ -2749,7 +2201,7 @@ static int mlx5_eswitch_query_vport_drop_stats(struct mlx5_core_dev *dev,
if (!vport->enabled)
goto unlock;
- if (vport->egress.legacy.drop_counter)
+ if (!IS_ERR_OR_NULL(vport->egress.legacy.drop_counter))
mlx5_fc_query(dev, vport->egress.legacy.drop_counter,
&stats->rx_dropped, &bytes);
@@ -2783,8 +2235,8 @@ int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
{
struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num);
int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
- u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0};
- struct mlx5_vport_drop_stats stats = {0};
+ u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {};
+ struct mlx5_vport_drop_stats stats = {};
int err = 0;
u32 *out;
@@ -2801,7 +2253,7 @@ int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
MLX5_SET(query_vport_counter_in, in, vport_number, vport->vport);
MLX5_SET(query_vport_counter_in, in, other_vport, 1);
- err = mlx5_cmd_exec(esw->dev, in, sizeof(in), out, outlen);
+ err = mlx5_cmd_exec_inout(esw->dev, query_vport_counter, in, out);
if (err)
goto free_out;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
index c1848b57f61c..a5175e98c0b3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
@@ -99,13 +99,19 @@ struct vport_ingress {
struct vport_egress {
struct mlx5_flow_table *acl;
- struct mlx5_flow_group *allowed_vlans_grp;
- struct mlx5_flow_group *drop_grp;
struct mlx5_flow_handle *allowed_vlan;
- struct {
- struct mlx5_flow_handle *drop_rule;
- struct mlx5_fc *drop_counter;
- } legacy;
+ struct mlx5_flow_group *vlan_grp;
+ union {
+ struct {
+ struct mlx5_flow_group *drop_grp;
+ struct mlx5_flow_handle *drop_rule;
+ struct mlx5_fc *drop_counter;
+ } legacy;
+ struct {
+ struct mlx5_flow_group *fwd_grp;
+ struct mlx5_flow_handle *fwd_rule;
+ } offloads;
+ };
};
struct mlx5_vport_drop_stats {
@@ -143,6 +149,8 @@ struct mlx5_vport {
struct vport_ingress ingress;
struct vport_egress egress;
+ u32 default_metadata;
+ u32 metadata;
struct mlx5_vport_info info;
@@ -209,6 +217,8 @@ struct mlx5_esw_offload {
struct mutex peer_mutex;
struct mutex encap_tbl_lock; /* protects encap_tbl */
DECLARE_HASHTABLE(encap_tbl, 8);
+ struct mutex decap_tbl_lock; /* protects decap_tbl */
+ DECLARE_HASHTABLE(decap_tbl, 8);
struct mod_hdr_tbl mod_hdr;
DECLARE_HASHTABLE(termtbl_tbl, 8);
struct mutex termtbl_mutex; /* protects termtbl hash */
@@ -216,6 +226,7 @@ struct mlx5_esw_offload {
u8 inline_mode;
atomic64_t num_flows;
enum devlink_eswitch_encap_mode encap;
+ struct ida vport_metadata_ida;
};
/* E-Switch MC FDB table hash node */
@@ -283,18 +294,10 @@ void esw_offloads_disable(struct mlx5_eswitch *esw);
int esw_offloads_enable(struct mlx5_eswitch *esw);
void esw_offloads_cleanup_reps(struct mlx5_eswitch *esw);
int esw_offloads_init_reps(struct mlx5_eswitch *esw);
-void esw_vport_cleanup_ingress_rules(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport);
-int esw_vport_create_ingress_acl_table(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport,
- int table_size);
-void esw_vport_destroy_ingress_acl_table(struct mlx5_vport *vport);
-void esw_vport_cleanup_egress_rules(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport);
-int esw_vport_enable_egress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport);
-void esw_vport_disable_egress_acl(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport);
+
+u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw);
+void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata);
+
int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num,
u32 rate_mbps);
@@ -329,11 +332,7 @@ int mlx5_eswitch_get_vport_stats(struct mlx5_eswitch *esw,
void mlx5_eswitch_del_send_to_vport_rule(struct mlx5_flow_handle *rule);
int mlx5_eswitch_modify_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
- bool other_vport,
- void *in, int inlen);
-int mlx5_eswitch_query_esw_vport_context(struct mlx5_core_dev *dev, u16 vport,
- bool other_vport,
- void *out, int outlen);
+ bool other_vport, void *in);
struct mlx5_flow_spec;
struct mlx5_esw_flow_attr;
@@ -436,6 +435,7 @@ struct mlx5_esw_flow_attr {
struct mlx5_flow_table *fdb;
struct mlx5_flow_table *dest_ft;
struct mlx5_ct_attr ct_attr;
+ struct mlx5_pkt_reformat *decap_pkt_reformat;
struct mlx5e_tc_flow_parse_attr *parse_attr;
};
@@ -459,10 +459,6 @@ int mlx5_eswitch_del_vlan_action(struct mlx5_eswitch *esw,
int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
u16 vport, u16 vlan, u8 qos, u8 set_flags);
-int mlx5_esw_create_vport_egress_acl_vlan(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport,
- u16 vlan_id, u32 flow_action);
-
static inline bool mlx5_esw_qos_enabled(struct mlx5_eswitch *esw)
{
return esw->qos.enabled;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index b2e38e0cde97..060354bb211a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -31,12 +31,14 @@
*/
#include <linux/etherdevice.h>
+#include <linux/idr.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/mlx5_ifc.h>
#include <linux/mlx5/vport.h>
#include <linux/mlx5/fs.h>
#include "mlx5_core.h"
#include "eswitch.h"
+#include "esw/acl/ofld.h"
#include "esw/chains.h"
#include "rdma.h"
#include "en.h"
@@ -234,13 +236,6 @@ static struct mlx5_eswitch_rep *mlx5_eswitch_get_rep(struct mlx5_eswitch *esw,
return &esw->offloads.vport_reps[idx];
}
-static bool
-esw_check_ingress_prio_tag_enabled(const struct mlx5_eswitch *esw,
- const struct mlx5_vport *vport)
-{
- return (MLX5_CAP_GEN(esw->dev, prio_tag_required) &&
- mlx5_eswitch_is_vf_vport(esw, vport->vport));
-}
static void
mlx5_eswitch_set_rule_source_port(struct mlx5_eswitch *esw,
@@ -366,6 +361,10 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
}
}
}
+
+ if (attr->decap_pkt_reformat)
+ flow_act.pkt_reformat = attr->decap_pkt_reformat;
+
if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
dest[i].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
dest[i].counter_id = mlx5_fc_id(attr->counter);
@@ -784,7 +783,8 @@ static bool mlx5_eswitch_reg_c1_loopback_supported(struct mlx5_eswitch *esw)
static int esw_set_passing_vport_metadata(struct mlx5_eswitch *esw, bool enable)
{
u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)] = {};
- u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {};
+ u32 min[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)] = {};
u8 curr, wanted;
int err;
@@ -792,8 +792,9 @@ static int esw_set_passing_vport_metadata(struct mlx5_eswitch *esw, bool enable)
!mlx5_eswitch_vport_match_metadata_enabled(esw))
return 0;
- err = mlx5_eswitch_query_esw_vport_context(esw->dev, 0, false,
- out, sizeof(out));
+ MLX5_SET(query_esw_vport_context_in, in, opcode,
+ MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
+ err = mlx5_cmd_exec_inout(esw->dev, query_esw_vport_context, in, out);
if (err)
return err;
@@ -808,14 +809,12 @@ static int esw_set_passing_vport_metadata(struct mlx5_eswitch *esw, bool enable)
else
curr &= ~wanted;
- MLX5_SET(modify_esw_vport_context_in, in,
+ MLX5_SET(modify_esw_vport_context_in, min,
esw_vport_context.fdb_to_vport_reg_c_id, curr);
-
- MLX5_SET(modify_esw_vport_context_in, in,
+ MLX5_SET(modify_esw_vport_context_in, min,
field_select.fdb_to_vport_reg_c_id, 1);
- err = mlx5_eswitch_modify_esw_vport_context(esw->dev, 0, false, in,
- sizeof(in));
+ err = mlx5_eswitch_modify_esw_vport_context(esw->dev, 0, false, min);
if (!err) {
if (enable && (curr & MLX5_FDB_TO_VPORT_REG_C_1))
esw->flags |= MLX5_ESWITCH_REG_C1_LOOPBACK_ENABLED;
@@ -1468,7 +1467,7 @@ query_vports:
out:
*mode = mlx5_mode;
return 0;
-}
+}
static void esw_destroy_restore_table(struct mlx5_eswitch *esw)
{
@@ -1484,7 +1483,7 @@ static void esw_destroy_restore_table(struct mlx5_eswitch *esw)
static int esw_create_restore_table(struct mlx5_eswitch *esw)
{
- u8 modact[MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto)] = {};
+ u8 modact[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
struct mlx5_flow_table_attr ft_attr = {};
struct mlx5_core_dev *dev = esw->dev;
@@ -1550,9 +1549,9 @@ static int esw_create_restore_table(struct mlx5_eswitch *esw)
MLX5_FLOW_NAMESPACE_KERNEL, 1,
modact);
if (IS_ERR(mod_hdr)) {
+ err = PTR_ERR(mod_hdr);
esw_warn(dev, "Failed to create restore mod header, err: %d\n",
err);
- err = PTR_ERR(mod_hdr);
goto err_mod_hdr;
}
@@ -1727,7 +1726,9 @@ static int mlx5_esw_offloads_pair(struct mlx5_eswitch *esw,
static void mlx5_esw_offloads_unpair(struct mlx5_eswitch *esw)
{
+#if IS_ENABLED(CONFIG_MLX5_CLS_ACT)
mlx5e_tc_clean_fdb_peer_flows(esw);
+#endif
esw_del_fdb_peer_miss_rules(esw);
}
@@ -1845,279 +1846,6 @@ static void esw_offloads_devcom_cleanup(struct mlx5_eswitch *esw)
mlx5_devcom_unregister_component(devcom, MLX5_DEVCOM_ESW_OFFLOADS);
}
-static int esw_vport_ingress_prio_tag_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- struct mlx5_flow_act flow_act = {0};
- struct mlx5_flow_spec *spec;
- int err = 0;
-
- /* For prio tag mode, there is only 1 FTEs:
- * 1) Untagged packets - push prio tag VLAN and modify metadata if
- * required, allow
- * Unmatched traffic is allowed by default
- */
- spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
- if (!spec)
- return -ENOMEM;
-
- /* Untagged packets - push prio tag VLAN, allow */
- MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(fte_match_param, spec->match_value, outer_headers.cvlan_tag, 0);
- spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH |
- MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- flow_act.vlan[0].ethtype = ETH_P_8021Q;
- flow_act.vlan[0].vid = 0;
- flow_act.vlan[0].prio = 0;
-
- if (vport->ingress.offloads.modify_metadata_rule) {
- flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
- flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
- }
-
- vport->ingress.allow_rule =
- mlx5_add_flow_rules(vport->ingress.acl, spec,
- &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.allow_rule)) {
- err = PTR_ERR(vport->ingress.allow_rule);
- esw_warn(esw->dev,
- "vport[%d] configure ingress untagged allow rule, err(%d)\n",
- vport->vport, err);
- vport->ingress.allow_rule = NULL;
- }
-
- kvfree(spec);
- return err;
-}
-
-static int esw_vport_add_ingress_acl_modify_metadata(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- u8 action[MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto)] = {};
- struct mlx5_flow_act flow_act = {};
- int err = 0;
- u32 key;
-
- key = mlx5_eswitch_get_vport_metadata_for_match(esw, vport->vport);
- key >>= ESW_SOURCE_PORT_METADATA_OFFSET;
-
- MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET);
- MLX5_SET(set_action_in, action, field,
- MLX5_ACTION_IN_FIELD_METADATA_REG_C_0);
- MLX5_SET(set_action_in, action, data, key);
- MLX5_SET(set_action_in, action, offset,
- ESW_SOURCE_PORT_METADATA_OFFSET);
- MLX5_SET(set_action_in, action, length,
- ESW_SOURCE_PORT_METADATA_BITS);
-
- vport->ingress.offloads.modify_metadata =
- mlx5_modify_header_alloc(esw->dev, MLX5_FLOW_NAMESPACE_ESW_INGRESS,
- 1, action);
- if (IS_ERR(vport->ingress.offloads.modify_metadata)) {
- err = PTR_ERR(vport->ingress.offloads.modify_metadata);
- esw_warn(esw->dev,
- "failed to alloc modify header for vport %d ingress acl (%d)\n",
- vport->vport, err);
- return err;
- }
-
- flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | MLX5_FLOW_CONTEXT_ACTION_ALLOW;
- flow_act.modify_hdr = vport->ingress.offloads.modify_metadata;
- vport->ingress.offloads.modify_metadata_rule =
- mlx5_add_flow_rules(vport->ingress.acl,
- NULL, &flow_act, NULL, 0);
- if (IS_ERR(vport->ingress.offloads.modify_metadata_rule)) {
- err = PTR_ERR(vport->ingress.offloads.modify_metadata_rule);
- esw_warn(esw->dev,
- "failed to add setting metadata rule for vport %d ingress acl, err(%d)\n",
- vport->vport, err);
- mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
- vport->ingress.offloads.modify_metadata_rule = NULL;
- }
- return err;
-}
-
-static void esw_vport_del_ingress_acl_modify_metadata(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- if (vport->ingress.offloads.modify_metadata_rule) {
- mlx5_del_flow_rules(vport->ingress.offloads.modify_metadata_rule);
- mlx5_modify_header_dealloc(esw->dev, vport->ingress.offloads.modify_metadata);
-
- vport->ingress.offloads.modify_metadata_rule = NULL;
- }
-}
-
-static int esw_vport_create_ingress_acl_group(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
- struct mlx5_flow_group *g;
- void *match_criteria;
- u32 *flow_group_in;
- u32 flow_index = 0;
- int ret = 0;
-
- flow_group_in = kvzalloc(inlen, GFP_KERNEL);
- if (!flow_group_in)
- return -ENOMEM;
-
- if (esw_check_ingress_prio_tag_enabled(esw, vport)) {
- /* This group is to hold FTE to match untagged packets when prio_tag
- * is enabled.
- */
- memset(flow_group_in, 0, inlen);
-
- match_criteria = MLX5_ADDR_OF(create_flow_group_in,
- flow_group_in, match_criteria);
- MLX5_SET(create_flow_group_in, flow_group_in,
- match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
- MLX5_SET_TO_ONES(fte_match_param, match_criteria, outer_headers.cvlan_tag);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- ret = PTR_ERR(g);
- esw_warn(esw->dev, "vport[%d] ingress create untagged flow group, err(%d)\n",
- vport->vport, ret);
- goto prio_tag_err;
- }
- vport->ingress.offloads.metadata_prio_tag_grp = g;
- flow_index++;
- }
-
- if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
- /* This group holds an FTE with no matches for add metadata for
- * tagged packets, if prio-tag is enabled (as a fallthrough),
- * or all traffic in case prio-tag is disabled.
- */
- memset(flow_group_in, 0, inlen);
- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, flow_index);
- MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, flow_index);
-
- g = mlx5_create_flow_group(vport->ingress.acl, flow_group_in);
- if (IS_ERR(g)) {
- ret = PTR_ERR(g);
- esw_warn(esw->dev, "vport[%d] ingress create drop flow group, err(%d)\n",
- vport->vport, ret);
- goto metadata_err;
- }
- vport->ingress.offloads.metadata_allmatch_grp = g;
- }
-
- kvfree(flow_group_in);
- return 0;
-
-metadata_err:
- if (!IS_ERR_OR_NULL(vport->ingress.offloads.metadata_prio_tag_grp)) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
- vport->ingress.offloads.metadata_prio_tag_grp = NULL;
- }
-prio_tag_err:
- kvfree(flow_group_in);
- return ret;
-}
-
-static void esw_vport_destroy_ingress_acl_group(struct mlx5_vport *vport)
-{
- if (vport->ingress.offloads.metadata_allmatch_grp) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_allmatch_grp);
- vport->ingress.offloads.metadata_allmatch_grp = NULL;
- }
-
- if (vport->ingress.offloads.metadata_prio_tag_grp) {
- mlx5_destroy_flow_group(vport->ingress.offloads.metadata_prio_tag_grp);
- vport->ingress.offloads.metadata_prio_tag_grp = NULL;
- }
-}
-
-static int esw_vport_ingress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int num_ftes = 0;
- int err;
-
- if (!mlx5_eswitch_vport_match_metadata_enabled(esw) &&
- !esw_check_ingress_prio_tag_enabled(esw, vport))
- return 0;
-
- esw_vport_cleanup_ingress_rules(esw, vport);
-
- if (mlx5_eswitch_vport_match_metadata_enabled(esw))
- num_ftes++;
- if (esw_check_ingress_prio_tag_enabled(esw, vport))
- num_ftes++;
-
- err = esw_vport_create_ingress_acl_table(esw, vport, num_ftes);
- if (err) {
- esw_warn(esw->dev,
- "failed to enable ingress acl (%d) on vport[%d]\n",
- err, vport->vport);
- return err;
- }
-
- err = esw_vport_create_ingress_acl_group(esw, vport);
- if (err)
- goto group_err;
-
- esw_debug(esw->dev,
- "vport[%d] configure ingress rules\n", vport->vport);
-
- if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
- err = esw_vport_add_ingress_acl_modify_metadata(esw, vport);
- if (err)
- goto metadata_err;
- }
-
- if (esw_check_ingress_prio_tag_enabled(esw, vport)) {
- err = esw_vport_ingress_prio_tag_config(esw, vport);
- if (err)
- goto prio_tag_err;
- }
- return 0;
-
-prio_tag_err:
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
-metadata_err:
- esw_vport_destroy_ingress_acl_group(vport);
-group_err:
- esw_vport_destroy_ingress_acl_table(vport);
- return err;
-}
-
-static int esw_vport_egress_config(struct mlx5_eswitch *esw,
- struct mlx5_vport *vport)
-{
- int err;
-
- if (!MLX5_CAP_GEN(esw->dev, prio_tag_required))
- return 0;
-
- esw_vport_cleanup_egress_rules(esw, vport);
-
- err = esw_vport_enable_egress_acl(esw, vport);
- if (err)
- return err;
-
- /* For prio tag mode, there is only 1 FTEs:
- * 1) prio tag packets - pop the prio tag VLAN, allow
- * Unmatched traffic is allowed by default
- */
- esw_debug(esw->dev,
- "vport[%d] configure prio tag egress rules\n", vport->vport);
-
- /* prio tag vlan rule - pop it so VF receives untagged packets */
- err = mlx5_esw_create_vport_egress_acl_vlan(esw, vport, 0,
- MLX5_FLOW_CONTEXT_ACTION_VLAN_POP |
- MLX5_FLOW_CONTEXT_ACTION_ALLOW);
- if (err)
- esw_vport_disable_egress_acl(esw, vport);
-
- return err;
-}
-
static bool
esw_check_vport_match_metadata_supported(const struct mlx5_eswitch *esw)
{
@@ -2150,25 +1878,83 @@ static bool esw_use_vport_metadata(const struct mlx5_eswitch *esw)
esw_check_vport_match_metadata_supported(esw);
}
+u32 mlx5_esw_match_metadata_alloc(struct mlx5_eswitch *esw)
+{
+ u32 num_vports = GENMASK(ESW_VPORT_BITS - 1, 0) - 1;
+ u32 vhca_id_mask = GENMASK(ESW_VHCA_ID_BITS - 1, 0);
+ u32 vhca_id = MLX5_CAP_GEN(esw->dev, vhca_id);
+ u32 start;
+ u32 end;
+ int id;
+
+ /* Make sure the vhca_id fits the ESW_VHCA_ID_BITS */
+ WARN_ON_ONCE(vhca_id >= BIT(ESW_VHCA_ID_BITS));
+
+ /* Trim vhca_id to ESW_VHCA_ID_BITS */
+ vhca_id &= vhca_id_mask;
+
+ start = (vhca_id << ESW_VPORT_BITS);
+ end = start + num_vports;
+ if (!vhca_id)
+ start += 1; /* zero is reserved/invalid metadata */
+ id = ida_alloc_range(&esw->offloads.vport_metadata_ida, start, end, GFP_KERNEL);
+
+ return (id < 0) ? 0 : id;
+}
+
+void mlx5_esw_match_metadata_free(struct mlx5_eswitch *esw, u32 metadata)
+{
+ ida_free(&esw->offloads.vport_metadata_ida, metadata);
+}
+
+static int esw_offloads_vport_metadata_setup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (vport->vport == MLX5_VPORT_UPLINK)
+ return 0;
+
+ vport->default_metadata = mlx5_esw_match_metadata_alloc(esw);
+ vport->metadata = vport->default_metadata;
+ return vport->metadata ? 0 : -ENOSPC;
+}
+
+static void esw_offloads_vport_metadata_cleanup(struct mlx5_eswitch *esw,
+ struct mlx5_vport *vport)
+{
+ if (vport->vport == MLX5_VPORT_UPLINK || !vport->default_metadata)
+ return;
+
+ WARN_ON(vport->metadata != vport->default_metadata);
+ mlx5_esw_match_metadata_free(esw, vport->default_metadata);
+}
+
int
esw_vport_create_offloads_acl_tables(struct mlx5_eswitch *esw,
struct mlx5_vport *vport)
{
int err;
- err = esw_vport_ingress_config(esw, vport);
+ err = esw_offloads_vport_metadata_setup(esw, vport);
if (err)
- return err;
+ goto metadata_err;
+
+ err = esw_acl_ingress_ofld_setup(esw, vport);
+ if (err)
+ goto ingress_err;
if (mlx5_eswitch_is_vf_vport(esw, vport->vport)) {
- err = esw_vport_egress_config(esw, vport);
- if (err) {
- esw_vport_cleanup_ingress_rules(esw, vport);
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
- esw_vport_destroy_ingress_acl_group(vport);
- esw_vport_destroy_ingress_acl_table(vport);
- }
+ err = esw_acl_egress_ofld_setup(esw, vport);
+ if (err)
+ goto egress_err;
}
+
+ return 0;
+
+egress_err:
+ esw_acl_ingress_ofld_cleanup(esw, vport);
+ingress_err:
+ esw_offloads_vport_metadata_cleanup(esw, vport);
+metadata_err:
return err;
}
@@ -2176,11 +1962,9 @@ void
esw_vport_destroy_offloads_acl_tables(struct mlx5_eswitch *esw,
struct mlx5_vport *vport)
{
- esw_vport_disable_egress_acl(esw, vport);
- esw_vport_cleanup_ingress_rules(esw, vport);
- esw_vport_del_ingress_acl_modify_metadata(esw, vport);
- esw_vport_destroy_ingress_acl_group(vport);
- esw_vport_destroy_ingress_acl_table(vport);
+ esw_acl_egress_ofld_cleanup(vport);
+ esw_acl_ingress_ofld_cleanup(esw, vport);
+ esw_offloads_vport_metadata_cleanup(esw, vport);
}
static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw)
@@ -2219,10 +2003,12 @@ static int esw_offloads_steering_init(struct mlx5_eswitch *esw)
total_vports = num_vfs + MLX5_SPECIAL_VPORTS(esw->dev);
memset(&esw->fdb_table.offloads, 0, sizeof(struct offloads_fdb));
+ mutex_init(&esw->fdb_table.offloads.vports.lock);
+ hash_init(esw->fdb_table.offloads.vports.table);
err = esw_create_uplink_offloads_acl_tables(esw);
if (err)
- return err;
+ goto create_acl_err;
err = esw_create_offloads_table(esw, total_vports);
if (err)
@@ -2240,9 +2026,6 @@ static int esw_offloads_steering_init(struct mlx5_eswitch *esw)
if (err)
goto create_fg_err;
- mutex_init(&esw->fdb_table.offloads.vports.lock);
- hash_init(esw->fdb_table.offloads.vports.table);
-
return 0;
create_fg_err:
@@ -2253,18 +2036,19 @@ create_restore_err:
esw_destroy_offloads_table(esw);
create_offloads_err:
esw_destroy_uplink_offloads_acl_tables(esw);
-
+create_acl_err:
+ mutex_destroy(&esw->fdb_table.offloads.vports.lock);
return err;
}
static void esw_offloads_steering_cleanup(struct mlx5_eswitch *esw)
{
- mutex_destroy(&esw->fdb_table.offloads.vports.lock);
esw_destroy_vport_rx_group(esw);
esw_destroy_offloads_fdb_tables(esw);
esw_destroy_restore_table(esw);
esw_destroy_offloads_table(esw);
esw_destroy_uplink_offloads_acl_tables(esw);
+ mutex_destroy(&esw->fdb_table.offloads.vports.lock);
}
static void
@@ -2377,9 +2161,9 @@ int esw_offloads_enable(struct mlx5_eswitch *esw)
err_vports:
esw_offloads_unload_rep(esw, MLX5_VPORT_UPLINK);
err_uplink:
- esw_set_passing_vport_metadata(esw, false);
-err_steering_init:
esw_offloads_steering_cleanup(esw);
+err_steering_init:
+ esw_set_passing_vport_metadata(esw, false);
err_vport_metadata:
mlx5_rdma_disable_roce(esw->dev);
mutex_destroy(&esw->offloads.termtbl_mutex);
@@ -2846,38 +2630,11 @@ EXPORT_SYMBOL(mlx5_eswitch_vport_match_metadata_enabled);
u32 mlx5_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
u16 vport_num)
{
- u32 vport_num_mask = GENMASK(ESW_VPORT_BITS - 1, 0);
- u32 vhca_id_mask = GENMASK(ESW_VHCA_ID_BITS - 1, 0);
- u32 vhca_id = MLX5_CAP_GEN(esw->dev, vhca_id);
- u32 val;
-
- /* Make sure the vhca_id fits the ESW_VHCA_ID_BITS */
- WARN_ON_ONCE(vhca_id >= BIT(ESW_VHCA_ID_BITS));
+ struct mlx5_vport *vport = mlx5_eswitch_get_vport(esw, vport_num);
- /* Trim vhca_id to ESW_VHCA_ID_BITS */
- vhca_id &= vhca_id_mask;
-
- /* Make sure pf and ecpf map to end of ESW_VPORT_BITS range so they
- * don't overlap with VF numbers, and themselves, after trimming.
- */
- WARN_ON_ONCE((MLX5_VPORT_UPLINK & vport_num_mask) <
- vport_num_mask - 1);
- WARN_ON_ONCE((MLX5_VPORT_ECPF & vport_num_mask) <
- vport_num_mask - 1);
- WARN_ON_ONCE((MLX5_VPORT_UPLINK & vport_num_mask) ==
- (MLX5_VPORT_ECPF & vport_num_mask));
-
- /* Make sure that the VF vport_num fits ESW_VPORT_BITS and don't
- * overlap with pf and ecpf.
- */
- if (vport_num != MLX5_VPORT_UPLINK &&
- vport_num != MLX5_VPORT_ECPF)
- WARN_ON_ONCE(vport_num >= vport_num_mask - 1);
-
- /* We can now trim vport_num to ESW_VPORT_BITS */
- vport_num &= vport_num_mask;
+ if (WARN_ON_ONCE(IS_ERR(vport)))
+ return 0;
- val = (vhca_id << ESW_VPORT_BITS) | vport_num;
- return val << (32 - ESW_SOURCE_PORT_METADATA_BITS);
+ return vport->metadata << (32 - ESW_SOURCE_PORT_METADATA_BITS);
}
EXPORT_SYMBOL(mlx5_eswitch_get_vport_metadata_for_match);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c
index 8bcf3426b9c6..3ce17c3d7a00 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/events.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c
@@ -346,8 +346,10 @@ int mlx5_events_init(struct mlx5_core_dev *dev)
events->dev = dev;
dev->priv.events = events;
events->wq = create_singlethread_workqueue("mlx5_events");
- if (!events->wq)
+ if (!events->wq) {
+ kfree(events);
return -ENOMEM;
+ }
INIT_WORK(&events->pcie_core_work, mlx5_pcie_event);
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/cmd.c
index c0fd2212e890..9a37077152aa 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/cmd.c
@@ -31,7 +31,6 @@
*/
#include <linux/etherdevice.h>
-#include <linux/mlx5/cmd.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/device.h>
@@ -143,15 +142,15 @@ int mlx5_fpga_query(struct mlx5_core_dev *dev, struct mlx5_fpga_query *query)
int mlx5_fpga_create_qp(struct mlx5_core_dev *dev, void *fpga_qpc,
u32 *fpga_qpn)
{
- u32 in[MLX5_ST_SZ_DW(fpga_create_qp_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(fpga_create_qp_out)];
+ u32 out[MLX5_ST_SZ_DW(fpga_create_qp_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(fpga_create_qp_in)] = {};
int ret;
MLX5_SET(fpga_create_qp_in, in, opcode, MLX5_CMD_OP_FPGA_CREATE_QP);
memcpy(MLX5_ADDR_OF(fpga_create_qp_in, in, fpga_qpc), fpga_qpc,
MLX5_FLD_SZ_BYTES(fpga_create_qp_in, fpga_qpc));
- ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ ret = mlx5_cmd_exec_inout(dev, fpga_create_qp, in, out);
if (ret)
return ret;
@@ -165,8 +164,7 @@ int mlx5_fpga_modify_qp(struct mlx5_core_dev *dev, u32 fpga_qpn,
enum mlx5_fpga_qpc_field_select fields,
void *fpga_qpc)
{
- u32 in[MLX5_ST_SZ_DW(fpga_modify_qp_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(fpga_modify_qp_out)];
+ u32 in[MLX5_ST_SZ_DW(fpga_modify_qp_in)] = {};
MLX5_SET(fpga_modify_qp_in, in, opcode, MLX5_CMD_OP_FPGA_MODIFY_QP);
MLX5_SET(fpga_modify_qp_in, in, field_select, fields);
@@ -174,20 +172,20 @@ int mlx5_fpga_modify_qp(struct mlx5_core_dev *dev, u32 fpga_qpn,
memcpy(MLX5_ADDR_OF(fpga_modify_qp_in, in, fpga_qpc), fpga_qpc,
MLX5_FLD_SZ_BYTES(fpga_modify_qp_in, fpga_qpc));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, fpga_modify_qp, in);
}
int mlx5_fpga_query_qp(struct mlx5_core_dev *dev,
u32 fpga_qpn, void *fpga_qpc)
{
- u32 in[MLX5_ST_SZ_DW(fpga_query_qp_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(fpga_query_qp_out)];
+ u32 out[MLX5_ST_SZ_DW(fpga_query_qp_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(fpga_query_qp_in)] = {};
int ret;
MLX5_SET(fpga_query_qp_in, in, opcode, MLX5_CMD_OP_FPGA_QUERY_QP);
MLX5_SET(fpga_query_qp_in, in, fpga_qpn, fpga_qpn);
- ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ ret = mlx5_cmd_exec_inout(dev, fpga_query_qp, in, out);
if (ret)
return ret;
@@ -198,20 +196,19 @@ int mlx5_fpga_query_qp(struct mlx5_core_dev *dev,
int mlx5_fpga_destroy_qp(struct mlx5_core_dev *dev, u32 fpga_qpn)
{
- u32 in[MLX5_ST_SZ_DW(fpga_destroy_qp_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(fpga_destroy_qp_out)];
+ u32 in[MLX5_ST_SZ_DW(fpga_destroy_qp_in)] = {};
MLX5_SET(fpga_destroy_qp_in, in, opcode, MLX5_CMD_OP_FPGA_DESTROY_QP);
MLX5_SET(fpga_destroy_qp_in, in, fpga_qpn, fpga_qpn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, fpga_destroy_qp, in);
}
int mlx5_fpga_query_qp_counters(struct mlx5_core_dev *dev, u32 fpga_qpn,
bool clear, struct mlx5_fpga_qp_counters *data)
{
- u32 in[MLX5_ST_SZ_DW(fpga_query_qp_counters_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(fpga_query_qp_counters_out)];
+ u32 out[MLX5_ST_SZ_DW(fpga_query_qp_counters_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(fpga_query_qp_counters_in)] = {};
int ret;
MLX5_SET(fpga_query_qp_counters_in, in, opcode,
@@ -219,7 +216,7 @@ int mlx5_fpga_query_qp_counters(struct mlx5_core_dev *dev, u32 fpga_qpn,
MLX5_SET(fpga_query_qp_counters_in, in, clear, clear);
MLX5_SET(fpga_query_qp_counters_in, in, fpga_qpn, fpga_qpn);
- ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ ret = mlx5_cmd_exec_inout(dev, fpga_query_qp_counters, in, out);
if (ret)
return ret;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
index 61021133029e..182d3ac3e73f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c
@@ -165,7 +165,7 @@ static void mlx5_fpga_conn_post_send(struct mlx5_fpga_conn *conn,
ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
ctrl->opmod_idx_opcode = cpu_to_be32(((conn->qp.sq.pc & 0xffff) << 8) |
MLX5_OPCODE_SEND);
- ctrl->qpn_ds = cpu_to_be32(size | (conn->qp.mqp.qpn << 8));
+ ctrl->qpn_ds = cpu_to_be32(size | (conn->qp.qpn << 8));
conn->qp.sq.pc++;
conn->qp.sq.bufs[ix] = buf;
@@ -362,23 +362,6 @@ static void mlx5_fpga_conn_arm_cq(struct mlx5_fpga_conn *conn)
conn->fdev->conn_res.uar->map, conn->cq.wq.cc);
}
-static void mlx5_fpga_conn_cq_event(struct mlx5_core_cq *mcq,
- enum mlx5_event event)
-{
- struct mlx5_fpga_conn *conn;
-
- conn = container_of(mcq, struct mlx5_fpga_conn, cq.mcq);
- mlx5_fpga_warn(conn->fdev, "CQ event %u on CQ #%u\n", event, mcq->cqn);
-}
-
-static void mlx5_fpga_conn_event(struct mlx5_core_qp *mqp, int event)
-{
- struct mlx5_fpga_conn *conn;
-
- conn = container_of(mqp, struct mlx5_fpga_conn, qp.mqp);
- mlx5_fpga_warn(conn->fdev, "QP event %u on QP #%u\n", event, mqp->qpn);
-}
-
static inline void mlx5_fpga_conn_cqes(struct mlx5_fpga_conn *conn,
unsigned int budget)
{
@@ -493,7 +476,6 @@ static int mlx5_fpga_conn_create_cq(struct mlx5_fpga_conn *conn, int cq_size)
*conn->cq.mcq.arm_db = 0;
conn->cq.mcq.vector = 0;
conn->cq.mcq.comp = mlx5_fpga_conn_cq_complete;
- conn->cq.mcq.event = mlx5_fpga_conn_cq_event;
conn->cq.mcq.irqn = irqn;
conn->cq.mcq.uar = fdev->conn_res.uar;
tasklet_init(&conn->cq.tasklet, mlx5_fpga_conn_cq_tasklet,
@@ -534,8 +516,9 @@ static int mlx5_fpga_conn_create_qp(struct mlx5_fpga_conn *conn,
unsigned int tx_size, unsigned int rx_size)
{
struct mlx5_fpga_device *fdev = conn->fdev;
+ u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {};
struct mlx5_core_dev *mdev = fdev->mdev;
- u32 temp_qpc[MLX5_ST_SZ_DW(qpc)] = {0};
+ u32 temp_qpc[MLX5_ST_SZ_DW(qpc)] = {};
void *in = NULL, *qpc;
int err, inlen;
@@ -600,12 +583,13 @@ static int mlx5_fpga_conn_create_qp(struct mlx5_fpga_conn *conn,
mlx5_fill_page_frag_array(&conn->qp.wq_ctrl.buf,
(__be64 *)MLX5_ADDR_OF(create_qp_in, in, pas));
- err = mlx5_core_create_qp(mdev, &conn->qp.mqp, in, inlen);
+ MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
+ err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
if (err)
goto err_sq_bufs;
- conn->qp.mqp.event = mlx5_fpga_conn_event;
- mlx5_fpga_dbg(fdev, "Created QP #0x%x\n", conn->qp.mqp.qpn);
+ conn->qp.qpn = MLX5_GET(create_qp_out, out, qpn);
+ mlx5_fpga_dbg(fdev, "Created QP #0x%x\n", conn->qp.qpn);
goto out;
@@ -658,7 +642,13 @@ static void mlx5_fpga_conn_flush_send_bufs(struct mlx5_fpga_conn *conn)
static void mlx5_fpga_conn_destroy_qp(struct mlx5_fpga_conn *conn)
{
- mlx5_core_destroy_qp(conn->fdev->mdev, &conn->qp.mqp);
+ struct mlx5_core_dev *dev = conn->fdev->mdev;
+ u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
+
+ MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
+ MLX5_SET(destroy_qp_in, in, qpn, conn->qp.qpn);
+ mlx5_cmd_exec_in(dev, destroy_qp, in);
+
mlx5_fpga_conn_free_recv_bufs(conn);
mlx5_fpga_conn_flush_send_bufs(conn);
kvfree(conn->qp.sq.bufs);
@@ -666,30 +656,29 @@ static void mlx5_fpga_conn_destroy_qp(struct mlx5_fpga_conn *conn)
mlx5_wq_destroy(&conn->qp.wq_ctrl);
}
-static inline int mlx5_fpga_conn_reset_qp(struct mlx5_fpga_conn *conn)
+static int mlx5_fpga_conn_reset_qp(struct mlx5_fpga_conn *conn)
{
struct mlx5_core_dev *mdev = conn->fdev->mdev;
+ u32 in[MLX5_ST_SZ_DW(qp_2rst_in)] = {};
+
+ mlx5_fpga_dbg(conn->fdev, "Modifying QP %u to RST\n", conn->qp.qpn);
- mlx5_fpga_dbg(conn->fdev, "Modifying QP %u to RST\n", conn->qp.mqp.qpn);
+ MLX5_SET(qp_2rst_in, in, opcode, MLX5_CMD_OP_2RST_QP);
+ MLX5_SET(qp_2rst_in, in, qpn, conn->qp.qpn);
- return mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2RST_QP, 0, NULL,
- &conn->qp.mqp);
+ return mlx5_cmd_exec_in(mdev, qp_2rst, in);
}
-static inline int mlx5_fpga_conn_init_qp(struct mlx5_fpga_conn *conn)
+static int mlx5_fpga_conn_init_qp(struct mlx5_fpga_conn *conn)
{
+ u32 in[MLX5_ST_SZ_DW(rst2init_qp_in)] = {};
struct mlx5_fpga_device *fdev = conn->fdev;
struct mlx5_core_dev *mdev = fdev->mdev;
- u32 *qpc = NULL;
- int err;
+ u32 *qpc;
- mlx5_fpga_dbg(conn->fdev, "Modifying QP %u to INIT\n", conn->qp.mqp.qpn);
+ mlx5_fpga_dbg(conn->fdev, "Modifying QP %u to INIT\n", conn->qp.qpn);
- qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL);
- if (!qpc) {
- err = -ENOMEM;
- goto out;
- }
+ qpc = MLX5_ADDR_OF(rst2init_qp_in, in, qpc);
MLX5_SET(qpc, qpc, st, MLX5_QP_ST_RC);
MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
@@ -700,32 +689,22 @@ static inline int mlx5_fpga_conn_init_qp(struct mlx5_fpga_conn *conn)
MLX5_SET(qpc, qpc, cqn_rcv, conn->cq.mcq.cqn);
MLX5_SET64(qpc, qpc, dbr_addr, conn->qp.wq_ctrl.db.dma);
- err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, qpc,
- &conn->qp.mqp);
- if (err) {
- mlx5_fpga_warn(fdev, "qp_modify RST2INIT failed: %d\n", err);
- goto out;
- }
+ MLX5_SET(rst2init_qp_in, in, opcode, MLX5_CMD_OP_RST2INIT_QP);
+ MLX5_SET(rst2init_qp_in, in, qpn, conn->qp.qpn);
-out:
- kfree(qpc);
- return err;
+ return mlx5_cmd_exec_in(mdev, rst2init_qp, in);
}
-static inline int mlx5_fpga_conn_rtr_qp(struct mlx5_fpga_conn *conn)
+static int mlx5_fpga_conn_rtr_qp(struct mlx5_fpga_conn *conn)
{
+ u32 in[MLX5_ST_SZ_DW(init2rtr_qp_in)] = {};
struct mlx5_fpga_device *fdev = conn->fdev;
struct mlx5_core_dev *mdev = fdev->mdev;
- u32 *qpc = NULL;
- int err;
+ u32 *qpc;
mlx5_fpga_dbg(conn->fdev, "QP RTR\n");
- qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL);
- if (!qpc) {
- err = -ENOMEM;
- goto out;
- }
+ qpc = MLX5_ADDR_OF(init2rtr_qp_in, in, qpc);
MLX5_SET(qpc, qpc, mtu, MLX5_QPC_MTU_1K_BYTES);
MLX5_SET(qpc, qpc, log_msg_max, (u8)MLX5_CAP_GEN(mdev, log_max_msg));
@@ -745,33 +724,22 @@ static inline int mlx5_fpga_conn_rtr_qp(struct mlx5_fpga_conn *conn)
MLX5_ADDR_OF(fpga_qpc, conn->fpga_qpc, fpga_ip),
MLX5_FLD_SZ_BYTES(qpc, primary_address_path.rgid_rip));
- err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_INIT2RTR_QP, 0, qpc,
- &conn->qp.mqp);
- if (err) {
- mlx5_fpga_warn(fdev, "qp_modify RST2INIT failed: %d\n", err);
- goto out;
- }
+ MLX5_SET(init2rtr_qp_in, in, opcode, MLX5_CMD_OP_INIT2RTR_QP);
+ MLX5_SET(init2rtr_qp_in, in, qpn, conn->qp.qpn);
-out:
- kfree(qpc);
- return err;
+ return mlx5_cmd_exec_in(mdev, init2rtr_qp, in);
}
-static inline int mlx5_fpga_conn_rts_qp(struct mlx5_fpga_conn *conn)
+static int mlx5_fpga_conn_rts_qp(struct mlx5_fpga_conn *conn)
{
struct mlx5_fpga_device *fdev = conn->fdev;
+ u32 in[MLX5_ST_SZ_DW(rtr2rts_qp_in)] = {};
struct mlx5_core_dev *mdev = fdev->mdev;
- u32 *qpc = NULL;
- u32 opt_mask;
- int err;
+ u32 *qpc;
mlx5_fpga_dbg(conn->fdev, "QP RTS\n");
- qpc = kzalloc(MLX5_ST_SZ_BYTES(qpc), GFP_KERNEL);
- if (!qpc) {
- err = -ENOMEM;
- goto out;
- }
+ qpc = MLX5_ADDR_OF(rtr2rts_qp_in, in, qpc);
MLX5_SET(qpc, qpc, log_ack_req_freq, 8);
MLX5_SET(qpc, qpc, min_rnr_nak, 0x12);
@@ -781,17 +749,11 @@ static inline int mlx5_fpga_conn_rts_qp(struct mlx5_fpga_conn *conn)
MLX5_SET(qpc, qpc, retry_count, 7);
MLX5_SET(qpc, qpc, rnr_retry, 7); /* Infinite retry if RNR NACK */
- opt_mask = MLX5_QP_OPTPAR_RNR_TIMEOUT;
- err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, opt_mask, qpc,
- &conn->qp.mqp);
- if (err) {
- mlx5_fpga_warn(fdev, "qp_modify RST2INIT failed: %d\n", err);
- goto out;
- }
+ MLX5_SET(rtr2rts_qp_in, in, opcode, MLX5_CMD_OP_RTR2RTS_QP);
+ MLX5_SET(rtr2rts_qp_in, in, qpn, conn->qp.qpn);
+ MLX5_SET(rtr2rts_qp_in, in, opt_param_mask, MLX5_QP_OPTPAR_RNR_TIMEOUT);
-out:
- kfree(qpc);
- return err;
+ return mlx5_cmd_exec_in(mdev, rtr2rts_qp, in);
}
static int mlx5_fpga_conn_connect(struct mlx5_fpga_conn *conn)
@@ -931,7 +893,7 @@ struct mlx5_fpga_conn *mlx5_fpga_conn_create(struct mlx5_fpga_device *fdev,
MLX5_SET(fpga_qpc, conn->fpga_qpc, next_rcv_psn, 1);
MLX5_SET(fpga_qpc, conn->fpga_qpc, next_send_psn, 0);
MLX5_SET(fpga_qpc, conn->fpga_qpc, pkey, MLX5_FPGA_PKEY);
- MLX5_SET(fpga_qpc, conn->fpga_qpc, remote_qpn, conn->qp.mqp.qpn);
+ MLX5_SET(fpga_qpc, conn->fpga_qpc, remote_qpn, conn->qp.qpn);
MLX5_SET(fpga_qpc, conn->fpga_qpc, rnr_retry, 7);
MLX5_SET(fpga_qpc, conn->fpga_qpc, retry_count, 7);
@@ -972,19 +934,11 @@ out:
void mlx5_fpga_conn_destroy(struct mlx5_fpga_conn *conn)
{
- struct mlx5_fpga_device *fdev = conn->fdev;
- struct mlx5_core_dev *mdev = fdev->mdev;
- int err = 0;
-
conn->qp.active = false;
tasklet_disable(&conn->cq.tasklet);
synchronize_irq(conn->cq.mcq.irqn);
mlx5_fpga_destroy_qp(conn->fdev->mdev, conn->fpga_qpn);
- err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2ERR_QP, 0, NULL,
- &conn->qp.mqp);
- if (err)
- mlx5_fpga_warn(fdev, "qp_modify 2ERR failed: %d\n", err);
mlx5_fpga_conn_destroy_qp(conn);
mlx5_fpga_conn_destroy_cq(conn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.h b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.h
index 634ae10e287b..5116e869a6e4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.h
@@ -65,7 +65,7 @@ struct mlx5_fpga_conn {
int sgid_index;
struct mlx5_wq_qp wq;
struct mlx5_wq_ctrl wq_ctrl;
- struct mlx5_core_qp mqp;
+ u32 qpn;
struct {
spinlock_t lock; /* Protects all SQ state */
unsigned int pc;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
index b794888fa3ba..b463787d6ca1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
@@ -65,6 +65,7 @@ struct mlx5_fpga_esp_xfrm;
struct mlx5_fpga_ipsec_sa_ctx {
struct rhash_head hash;
struct mlx5_ifc_fpga_ipsec_sa hw_sa;
+ u32 sa_handle;
struct mlx5_core_dev *dev;
struct mlx5_fpga_esp_xfrm *fpga_xfrm;
};
@@ -119,6 +120,8 @@ struct mlx5_fpga_ipsec {
*/
struct rb_root rules_rb;
struct mutex rules_rb_lock; /* rules lock */
+
+ struct ida halloc;
};
static bool mlx5_fpga_is_ipsec_device(struct mlx5_core_dev *mdev)
@@ -602,7 +605,7 @@ static bool mlx5_is_fpga_ipsec_rule(struct mlx5_core_dev *dev,
const u32 *match_c,
const u32 *match_v)
{
- u32 ipsec_dev_caps = mlx5_accel_ipsec_device_caps(dev);
+ u32 ipsec_dev_caps = mlx5_fpga_ipsec_device_caps(dev);
bool ipv6_flow;
ipv6_flow = mlx5_fs_is_outer_ipv6_flow(dev, match_c, match_v);
@@ -666,7 +669,8 @@ void *mlx5_fpga_ipsec_create_sa_ctx(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *accel_xfrm,
const __be32 saddr[4],
const __be32 daddr[4],
- const __be32 spi, bool is_ipv6)
+ const __be32 spi, bool is_ipv6,
+ u32 *sa_handle)
{
struct mlx5_fpga_ipsec_sa_ctx *sa_ctx;
struct mlx5_fpga_esp_xfrm *fpga_xfrm =
@@ -704,6 +708,17 @@ void *mlx5_fpga_ipsec_create_sa_ctx(struct mlx5_core_dev *mdev,
goto exists;
}
+ if (accel_xfrm->attrs.action == MLX5_ACCEL_ESP_ACTION_DECRYPT) {
+ err = ida_simple_get(&fipsec->halloc, 1, 0, GFP_KERNEL);
+ if (err < 0) {
+ context = ERR_PTR(err);
+ goto exists;
+ }
+
+ sa_ctx->sa_handle = err;
+ if (sa_handle)
+ *sa_handle = sa_ctx->sa_handle;
+ }
/* This is unbounded fpga_xfrm, try to add to hash */
mutex_lock(&fipsec->sa_hash_lock);
@@ -744,7 +759,8 @@ delete_hash:
rhash_sa));
unlock_hash:
mutex_unlock(&fipsec->sa_hash_lock);
-
+ if (accel_xfrm->attrs.action == MLX5_ACCEL_ESP_ACTION_DECRYPT)
+ ida_simple_remove(&fipsec->halloc, sa_ctx->sa_handle);
exists:
mutex_unlock(&fpga_xfrm->lock);
kfree(sa_ctx);
@@ -816,7 +832,7 @@ mlx5_fpga_ipsec_fs_create_sa_ctx(struct mlx5_core_dev *mdev,
/* create */
return mlx5_fpga_ipsec_create_sa_ctx(mdev, accel_xfrm,
saddr, daddr,
- spi, is_ipv6);
+ spi, is_ipv6, NULL);
}
static void
@@ -836,6 +852,10 @@ mlx5_fpga_ipsec_release_sa_ctx(struct mlx5_fpga_ipsec_sa_ctx *sa_ctx)
return;
}
+ if (sa_ctx->fpga_xfrm->accel_xfrm.attrs.action &
+ MLX5_ACCEL_ESP_ACTION_DECRYPT)
+ ida_simple_remove(&fipsec->halloc, sa_ctx->sa_handle);
+
mutex_lock(&fipsec->sa_hash_lock);
WARN_ON(rhashtable_remove_fast(&fipsec->sa_hash, &sa_ctx->hash,
rhash_sa));
@@ -1299,6 +1319,8 @@ int mlx5_fpga_ipsec_init(struct mlx5_core_dev *mdev)
goto err_destroy_hash;
}
+ ida_init(&fdev->ipsec->halloc);
+
return 0;
err_destroy_hash:
@@ -1331,6 +1353,7 @@ void mlx5_fpga_ipsec_cleanup(struct mlx5_core_dev *mdev)
if (!mlx5_fpga_is_ipsec_device(mdev))
return;
+ ida_destroy(&fdev->ipsec->halloc);
destroy_rules_rb(&fdev->ipsec->rules_rb);
rhashtable_destroy(&fdev->ipsec->sa_hash);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
index 382985e65b48..9ba637f0f0f2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
@@ -37,6 +37,7 @@
#include "accel/ipsec.h"
#include "fs_cmd.h"
+#ifdef CONFIG_MLX5_FPGA_IPSEC
u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev);
unsigned int mlx5_fpga_ipsec_counters_count(struct mlx5_core_dev *mdev);
int mlx5_fpga_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
@@ -46,7 +47,8 @@ void *mlx5_fpga_ipsec_create_sa_ctx(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *accel_xfrm,
const __be32 saddr[4],
const __be32 daddr[4],
- const __be32 spi, bool is_ipv6);
+ const __be32 spi, bool is_ipv6,
+ u32 *sa_handle);
void mlx5_fpga_ipsec_delete_sa_ctx(void *context);
int mlx5_fpga_ipsec_init(struct mlx5_core_dev *mdev);
@@ -63,5 +65,17 @@ int mlx5_fpga_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
const struct mlx5_flow_cmds *
mlx5_fs_cmd_get_default_ipsec_fpga_cmds(enum fs_flow_table_type type);
+#else
+static inline u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev)
+{
+ return 0;
+}
-#endif /* __MLX5_FPGA_SADB_H__ */
+static inline const struct mlx5_flow_cmds *
+mlx5_fs_cmd_get_default_ipsec_fpga_cmds(enum fs_flow_table_type type)
+{
+ return mlx5_fs_cmd_get_default(type);
+}
+
+#endif /* CONFIG_MLX5_FPGA_IPSEC */
+#endif /* __MLX5_FPGA_IPSEC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
index 22a2ef111514..29b7339ebfa3 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
@@ -194,8 +194,8 @@ static void mlx5_fpga_tls_flow_to_cmd(void *flow, void *cmd)
MLX5_GET(tls_flow, flow, direction_sx));
}
-int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
- u64 rcd_sn)
+int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
+ u32 seq, __be64 rcd_sn)
{
struct mlx5_fpga_dma_buf *buf;
int size = sizeof(*buf) + MLX5_TLS_COMMAND_SIZE;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.h
index 3b2e37bf76fe..5714cf391d1b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.h
@@ -68,7 +68,7 @@ static inline u32 mlx5_fpga_tls_device_caps(struct mlx5_core_dev *mdev)
return mdev->fpga->tls->caps;
}
-int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
- u64 rcd_sn);
+int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
+ u32 seq, __be64 rcd_sn);
#endif /* __MLX5_FPGA_TLS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 90048697b2ff..465a1076a477 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -155,8 +155,7 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
struct mlx5_flow_table *ft, u32 underlay_qpn,
bool disconnect)
{
- u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
if ((MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_IB) &&
@@ -167,13 +166,10 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
MLX5_SET(set_flow_table_root_in, in, table_type, ft->type);
- if (disconnect) {
+ if (disconnect)
MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
- MLX5_SET(set_flow_table_root_in, in, table_id, 0);
- } else {
- MLX5_SET(set_flow_table_root_in, in, op_mod, 0);
+ else
MLX5_SET(set_flow_table_root_in, in, table_id, ft->id);
- }
MLX5_SET(set_flow_table_root_in, in, underlay_qpn, underlay_qpn);
if (ft->vport) {
@@ -181,7 +177,7 @@ static int mlx5_cmd_update_root_ft(struct mlx5_flow_root_namespace *ns,
MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, set_flow_table_root, in);
}
static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
@@ -192,8 +188,8 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
int en_encap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT);
int en_decap = !!(ft->flags & MLX5_FLOW_TABLE_TUNNEL_EN_DECAP);
int term = !!(ft->flags & MLX5_FLOW_TABLE_TERMINATION);
- u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_flow_table_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(create_flow_table_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
int err;
@@ -239,7 +235,7 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
break;
}
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, create_flow_table, in, out);
if (!err)
ft->id = MLX5_GET(create_flow_table_out, out,
table_id);
@@ -249,8 +245,7 @@ static int mlx5_cmd_create_flow_table(struct mlx5_flow_root_namespace *ns,
static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
struct mlx5_flow_table *ft)
{
- u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
MLX5_SET(destroy_flow_table_in, in, opcode,
@@ -262,15 +257,14 @@ static int mlx5_cmd_destroy_flow_table(struct mlx5_flow_root_namespace *ns,
MLX5_SET(destroy_flow_table_in, in, other_vport, 1);
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_flow_table, in);
}
static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
struct mlx5_flow_table *ft,
struct mlx5_flow_table *next_ft)
{
- u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(modify_flow_table_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_flow_table_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
MLX5_SET(modify_flow_table_in, in, opcode,
@@ -310,7 +304,7 @@ static int mlx5_cmd_modify_flow_table(struct mlx5_flow_root_namespace *ns,
}
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_flow_table, in);
}
static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
@@ -318,8 +312,7 @@ static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
u32 *in,
struct mlx5_flow_group *fg)
{
- u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {0};
- int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+ u32 out[MLX5_ST_SZ_DW(create_flow_group_out)] = {};
struct mlx5_core_dev *dev = ns->dev;
int err;
@@ -332,7 +325,7 @@ static int mlx5_cmd_create_flow_group(struct mlx5_flow_root_namespace *ns,
MLX5_SET(create_flow_group_in, in, other_vport, 1);
}
- err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, create_flow_group, in, out);
if (!err)
fg->id = MLX5_GET(create_flow_group_out, out,
group_id);
@@ -343,8 +336,7 @@ static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
struct mlx5_flow_table *ft,
struct mlx5_flow_group *fg)
{
- u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
MLX5_SET(destroy_flow_group_in, in, opcode,
@@ -357,7 +349,7 @@ static int mlx5_cmd_destroy_flow_group(struct mlx5_flow_root_namespace *ns,
MLX5_SET(destroy_flow_group_in, in, other_vport, 1);
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_flow_group, in);
}
static int mlx5_set_extended_dest(struct mlx5_core_dev *dev,
@@ -600,8 +592,7 @@ static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
struct mlx5_flow_table *ft,
struct fs_fte *fte)
{
- u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
@@ -613,22 +604,22 @@ static int mlx5_cmd_delete_fte(struct mlx5_flow_root_namespace *ns,
MLX5_SET(delete_fte_in, in, other_vport, 1);
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, delete_fte, in);
}
int mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev,
enum mlx5_fc_bulk_alloc_bitmask alloc_bitmask,
u32 *id)
{
- u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_flow_counter_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_flow_counter_in)] = {};
int err;
MLX5_SET(alloc_flow_counter_in, in, opcode,
MLX5_CMD_OP_ALLOC_FLOW_COUNTER);
MLX5_SET(alloc_flow_counter_in, in, flow_counter_bulk, alloc_bitmask);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, alloc_flow_counter, in, out);
if (!err)
*id = MLX5_GET(alloc_flow_counter_out, out, flow_counter_id);
return err;
@@ -641,21 +632,20 @@ int mlx5_cmd_fc_alloc(struct mlx5_core_dev *dev, u32 *id)
int mlx5_cmd_fc_free(struct mlx5_core_dev *dev, u32 id)
{
- u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(dealloc_flow_counter_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(dealloc_flow_counter_in)] = {};
MLX5_SET(dealloc_flow_counter_in, in, opcode,
MLX5_CMD_OP_DEALLOC_FLOW_COUNTER);
MLX5_SET(dealloc_flow_counter_in, in, flow_counter_id, id);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, dealloc_flow_counter, in);
}
int mlx5_cmd_fc_query(struct mlx5_core_dev *dev, u32 id,
u64 *packets, u64 *bytes)
{
u32 out[MLX5_ST_SZ_BYTES(query_flow_counter_out) +
- MLX5_ST_SZ_BYTES(traffic_counter)] = {0};
- u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
+ MLX5_ST_SZ_BYTES(traffic_counter)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
void *stats;
int err = 0;
@@ -683,11 +673,10 @@ int mlx5_cmd_fc_bulk_query(struct mlx5_core_dev *dev, u32 base_id, int bulk_len,
u32 *out)
{
int outlen = mlx5_cmd_fc_get_bulk_query_out_len(bulk_len);
- u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_flow_counter_in)] = {};
MLX5_SET(query_flow_counter_in, in, opcode,
MLX5_CMD_OP_QUERY_FLOW_COUNTER);
- MLX5_SET(query_flow_counter_in, in, op_mod, 0);
MLX5_SET(query_flow_counter_in, in, flow_counter_id, base_id);
MLX5_SET(query_flow_counter_in, in, num_of_counters, bulk_len);
return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
@@ -700,7 +689,7 @@ static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
enum mlx5_flow_namespace_type namespace,
struct mlx5_pkt_reformat *pkt_reformat)
{
- u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)];
+ u32 out[MLX5_ST_SZ_DW(alloc_packet_reformat_context_out)] = {};
struct mlx5_core_dev *dev = ns->dev;
void *packet_reformat_context_in;
int max_encap_size;
@@ -732,7 +721,6 @@ static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
reformat_data);
inlen = reformat - (void *)in + size;
- memset(in, 0, inlen);
MLX5_SET(alloc_packet_reformat_context_in, in, opcode,
MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT);
MLX5_SET(packet_reformat_context_in, packet_reformat_context_in,
@@ -741,7 +729,6 @@ static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
reformat_type, reformat_type);
memcpy(reformat, reformat_data, size);
- memset(out, 0, sizeof(out));
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
pkt_reformat->id = MLX5_GET(alloc_packet_reformat_context_out,
@@ -753,17 +740,15 @@ static int mlx5_cmd_packet_reformat_alloc(struct mlx5_flow_root_namespace *ns,
static void mlx5_cmd_packet_reformat_dealloc(struct mlx5_flow_root_namespace *ns,
struct mlx5_pkt_reformat *pkt_reformat)
{
- u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)];
- u32 out[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_out)];
+ u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
- memset(in, 0, sizeof(in));
MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT);
MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
pkt_reformat->id);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, dealloc_packet_reformat_context, in);
}
static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
@@ -771,7 +756,7 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
void *modify_actions,
struct mlx5_modify_hdr *modify_hdr)
{
- u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)];
+ u32 out[MLX5_ST_SZ_DW(alloc_modify_header_context_out)] = {};
int max_actions, actions_size, inlen, err;
struct mlx5_core_dev *dev = ns->dev;
void *actions_in;
@@ -796,6 +781,10 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
table_type = FS_FT_ESW_INGRESS_ACL;
break;
+ case MLX5_FLOW_NAMESPACE_RDMA_TX:
+ max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions);
+ table_type = FS_FT_RDMA_TX;
+ break;
default:
return -EOPNOTSUPP;
}
@@ -806,7 +795,7 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
return -EOPNOTSUPP;
}
- actions_size = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) * num_actions;
+ actions_size = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) * num_actions;
inlen = MLX5_ST_SZ_BYTES(alloc_modify_header_context_in) + actions_size;
in = kzalloc(inlen, GFP_KERNEL);
@@ -821,7 +810,6 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
actions_in = MLX5_ADDR_OF(alloc_modify_header_context_in, in, actions);
memcpy(actions_in, modify_actions, actions_size);
- memset(out, 0, sizeof(out));
err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
modify_hdr->id = MLX5_GET(alloc_modify_header_context_out, out, modify_header_id);
@@ -832,17 +820,15 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
static void mlx5_cmd_modify_header_dealloc(struct mlx5_flow_root_namespace *ns,
struct mlx5_modify_hdr *modify_hdr)
{
- u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)];
- u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)];
+ u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {};
struct mlx5_core_dev *dev = ns->dev;
- memset(in, 0, sizeof(in));
MLX5_SET(dealloc_modify_header_context_in, in, opcode,
MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT);
MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
modify_hdr->id);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, dealloc_modify_header_context, in);
}
static const struct mlx5_flow_cmds mlx5_flow_cmds = {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index d5defe09339a..13e2fb79c21a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -254,7 +254,7 @@ static void del_sw_flow_group(struct fs_node *node);
static void del_sw_fte(struct fs_node *node);
static void del_sw_prio(struct fs_node *node);
static void del_sw_ns(struct fs_node *node);
-/* Delete rule (destination) is special case that
+/* Delete rule (destination) is special case that
* requires to lock the FTE for all the deletion process.
*/
static void del_sw_hw_rule(struct fs_node *node);
@@ -344,17 +344,12 @@ static void tree_put_node(struct fs_node *node, bool locked)
if (node->del_hw_func)
node->del_hw_func(node);
if (parent_node) {
- /* Only root namespace doesn't have parent and we just
- * need to free its node.
- */
down_write_ref_node(parent_node, locked);
list_del_init(&node->list);
- if (node->del_sw_func)
- node->del_sw_func(node);
- up_write_ref_node(parent_node, locked);
- } else {
- kfree(node);
}
+ node->del_sw_func(node);
+ if (parent_node)
+ up_write_ref_node(parent_node, locked);
node = NULL;
}
if (!node && parent_node)
@@ -384,6 +379,12 @@ static struct fs_prio *find_prio(struct mlx5_flow_namespace *ns,
return NULL;
}
+static bool is_fwd_next_action(u32 action)
+{
+ return action & (MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO |
+ MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS);
+}
+
static bool check_valid_spec(const struct mlx5_flow_spec *spec)
{
int i;
@@ -468,8 +469,10 @@ static void del_sw_flow_table(struct fs_node *node)
fs_get_obj(ft, node);
rhltable_destroy(&ft->fgs_hash);
- fs_get_obj(prio, ft->node.parent);
- prio->num_ft--;
+ if (ft->node.parent) {
+ fs_get_obj(prio, ft->node.parent);
+ prio->num_ft--;
+ }
kfree(ft);
}
@@ -502,7 +505,7 @@ static void del_sw_hw_rule(struct fs_node *node)
fs_get_obj(rule, node);
fs_get_obj(fte, rule->node.parent);
trace_mlx5_fs_del_rule(rule);
- if (rule->sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
+ if (is_fwd_next_action(rule->sw_action)) {
mutex_lock(&rule->dest_attr.ft->lock);
list_del(&rule->next_ft);
mutex_unlock(&rule->dest_attr.ft->lock);
@@ -826,6 +829,36 @@ static struct mlx5_flow_table *find_prev_chained_ft(struct fs_prio *prio)
return find_closest_ft(prio, true);
}
+static struct fs_prio *find_fwd_ns_prio(struct mlx5_flow_root_namespace *root,
+ struct mlx5_flow_namespace *ns)
+{
+ struct mlx5_flow_namespace *root_ns = &root->ns;
+ struct fs_prio *iter_prio;
+ struct fs_prio *prio;
+
+ fs_get_obj(prio, ns->node.parent);
+ list_for_each_entry(iter_prio, &root_ns->node.children, node.list) {
+ if (iter_prio == prio &&
+ !list_is_last(&prio->node.children, &iter_prio->node.list))
+ return list_next_entry(iter_prio, node.list);
+ }
+ return NULL;
+}
+
+static struct mlx5_flow_table *find_next_fwd_ft(struct mlx5_flow_table *ft,
+ struct mlx5_flow_act *flow_act)
+{
+ struct mlx5_flow_root_namespace *root = find_root(&ft->node);
+ struct fs_prio *prio;
+
+ if (flow_act->action & MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS)
+ prio = find_fwd_ns_prio(root, ft->ns);
+ else
+ fs_get_obj(prio, ft->node.parent);
+
+ return (prio) ? find_next_chained_ft(prio) : NULL;
+}
+
static int connect_fts_in_prio(struct mlx5_core_dev *dev,
struct fs_prio *prio,
struct mlx5_flow_table *ft)
@@ -976,6 +1009,10 @@ static int connect_fwd_rules(struct mlx5_core_dev *dev,
list_splice_init(&old_next_ft->fwd_rules, &new_next_ft->fwd_rules);
mutex_unlock(&old_next_ft->lock);
list_for_each_entry(iter, &new_next_ft->fwd_rules, next_ft) {
+ if ((iter->sw_action & MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS) &&
+ iter->ft->ns == new_next_ft->ns)
+ continue;
+
err = _mlx5_modify_rule_destination(iter, &dest);
if (err)
pr_err("mlx5_core: failed to modify rule to point on flow table %d\n",
@@ -1077,6 +1114,7 @@ static struct mlx5_flow_table *__mlx5_create_flow_table(struct mlx5_flow_namespa
next_ft = unmanaged ? ft_attr->next_ft :
find_next_chained_ft(fs_prio);
ft->def_miss_action = ns->def_miss_action;
+ ft->ns = ns;
err = root->cmds->create_flow_table(root, ft, log_table_sz, next_ft);
if (err)
goto free_ft;
@@ -1755,11 +1793,13 @@ skip_search:
list_for_each_entry(iter, match_head, list) {
g = iter->g;
- if (!g->node.active)
- continue;
-
nested_down_write_ref_node(&g->node, FS_LOCK_PARENT);
+ if (!g->node.active) {
+ up_write_ref_node(&g->node, false);
+ continue;
+ }
+
err = insert_fte(g, fte);
if (err) {
up_write_ref_node(&g->node, false);
@@ -1899,48 +1939,59 @@ mlx5_add_flow_rules(struct mlx5_flow_table *ft,
{
struct mlx5_flow_root_namespace *root = find_root(&ft->node);
static const struct mlx5_flow_spec zero_spec = {};
- struct mlx5_flow_destination gen_dest = {};
+ struct mlx5_flow_destination *gen_dest = NULL;
struct mlx5_flow_table *next_ft = NULL;
struct mlx5_flow_handle *handle = NULL;
u32 sw_action = flow_act->action;
- struct fs_prio *prio;
+ int i;
if (!spec)
spec = &zero_spec;
- fs_get_obj(prio, ft->node.parent);
- if (flow_act->action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
- if (!fwd_next_prio_supported(ft))
- return ERR_PTR(-EOPNOTSUPP);
- if (num_dest)
- return ERR_PTR(-EINVAL);
- mutex_lock(&root->chain_lock);
- next_ft = find_next_chained_ft(prio);
- if (next_ft) {
- gen_dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
- gen_dest.ft = next_ft;
- dest = &gen_dest;
- num_dest = 1;
- flow_act->action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
- } else {
- mutex_unlock(&root->chain_lock);
- return ERR_PTR(-EOPNOTSUPP);
- }
- }
+ if (!is_fwd_next_action(sw_action))
+ return _mlx5_add_flow_rules(ft, spec, flow_act, dest, num_dest);
- handle = _mlx5_add_flow_rules(ft, spec, flow_act, dest, num_dest);
+ if (!fwd_next_prio_supported(ft))
+ return ERR_PTR(-EOPNOTSUPP);
- if (sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
- if (!IS_ERR_OR_NULL(handle) &&
- (list_empty(&handle->rule[0]->next_ft))) {
- mutex_lock(&next_ft->lock);
- list_add(&handle->rule[0]->next_ft,
- &next_ft->fwd_rules);
- mutex_unlock(&next_ft->lock);
- handle->rule[0]->sw_action = MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
- }
- mutex_unlock(&root->chain_lock);
- }
+ mutex_lock(&root->chain_lock);
+ next_ft = find_next_fwd_ft(ft, flow_act);
+ if (!next_ft) {
+ handle = ERR_PTR(-EOPNOTSUPP);
+ goto unlock;
+ }
+
+ gen_dest = kcalloc(num_dest + 1, sizeof(*dest),
+ GFP_KERNEL);
+ if (!gen_dest) {
+ handle = ERR_PTR(-ENOMEM);
+ goto unlock;
+ }
+ for (i = 0; i < num_dest; i++)
+ gen_dest[i] = dest[i];
+ gen_dest[i].type =
+ MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ gen_dest[i].ft = next_ft;
+ dest = gen_dest;
+ num_dest++;
+ flow_act->action &= ~(MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO |
+ MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS);
+ flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+ handle = _mlx5_add_flow_rules(ft, spec, flow_act, dest, num_dest);
+ if (IS_ERR(handle))
+ goto unlock;
+
+ if (list_empty(&handle->rule[num_dest - 1]->next_ft)) {
+ mutex_lock(&next_ft->lock);
+ list_add(&handle->rule[num_dest - 1]->next_ft,
+ &next_ft->fwd_rules);
+ mutex_unlock(&next_ft->lock);
+ handle->rule[num_dest - 1]->sw_action = sw_action;
+ handle->rule[num_dest - 1]->ft = ft;
+ }
+unlock:
+ mutex_unlock(&root->chain_lock);
+ kfree(gen_dest);
return handle;
}
EXPORT_SYMBOL(mlx5_add_flow_rules);
@@ -2351,6 +2402,17 @@ static int init_root_tree(struct mlx5_flow_steering *steering,
return 0;
}
+static void del_sw_root_ns(struct fs_node *node)
+{
+ struct mlx5_flow_root_namespace *root_ns;
+ struct mlx5_flow_namespace *ns;
+
+ fs_get_obj(ns, node);
+ root_ns = container_of(ns, struct mlx5_flow_root_namespace, ns);
+ mutex_destroy(&root_ns->chain_lock);
+ kfree(node);
+}
+
static struct mlx5_flow_root_namespace
*create_root_ns(struct mlx5_flow_steering *steering,
enum fs_flow_table_type table_type)
@@ -2359,7 +2421,7 @@ static struct mlx5_flow_root_namespace
struct mlx5_flow_root_namespace *root_ns;
struct mlx5_flow_namespace *ns;
- if (mlx5_accel_ipsec_device_caps(steering->dev) & MLX5_ACCEL_IPSEC_CAP_DEVICE &&
+ if (mlx5_fpga_ipsec_device_caps(steering->dev) & MLX5_ACCEL_IPSEC_CAP_DEVICE &&
(table_type == FS_FT_NIC_RX || table_type == FS_FT_NIC_TX))
cmds = mlx5_fs_cmd_get_default_ipsec_fpga_cmds(table_type);
@@ -2377,7 +2439,7 @@ static struct mlx5_flow_root_namespace
ns = &root_ns->ns;
fs_init_namespace(ns);
mutex_init(&root_ns->chain_lock);
- tree_init_node(&ns->node, NULL, NULL);
+ tree_init_node(&ns->node, NULL, del_sw_root_ns);
tree_add_node(&ns->node, NULL);
return root_ns;
@@ -2943,7 +3005,8 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
goto err;
}
- if (MLX5_IPSEC_DEV(dev) || MLX5_CAP_FLOWTABLE_NIC_TX(dev, ft_support)) {
+ if (mlx5_fpga_ipsec_device_caps(steering->dev) & MLX5_ACCEL_IPSEC_CAP_DEVICE ||
+ MLX5_CAP_FLOWTABLE_NIC_TX(dev, ft_support)) {
err = init_egress_root_ns(steering);
if (err)
goto err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index 508108c58dae..825b662f809b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -138,6 +138,7 @@ struct fs_node {
struct mlx5_flow_rule {
struct fs_node node;
+ struct mlx5_flow_table *ft;
struct mlx5_flow_destination dest_attr;
/* next_ft should be accessed under chain_lock and only of
* destination type is FWD_NEXT_fT.
@@ -175,6 +176,7 @@ struct mlx5_flow_table {
u32 flags;
struct rhltable fgs_hash;
enum mlx5_flow_table_miss_action def_miss_action;
+ struct mlx5_flow_namespace *ns;
};
struct mlx5_ft_underlay_qp {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 90e3d0233101..a5fbe7343508 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -31,7 +31,6 @@
*/
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include <linux/mlx5/eswitch.h>
#include <linux/module.h>
#include "mlx5_core.h"
@@ -68,26 +67,19 @@ enum {
MCQI_FW_STORED_VERSION = 1,
};
-static int mlx5_cmd_query_adapter(struct mlx5_core_dev *dev, u32 *out,
- int outlen)
-{
- u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {0};
-
- MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
-}
-
int mlx5_query_board_id(struct mlx5_core_dev *dev)
{
u32 *out;
int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
+ u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
int err;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
return -ENOMEM;
- err = mlx5_cmd_query_adapter(dev, out, outlen);
+ MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
+ err = mlx5_cmd_exec_inout(dev, query_adapter, in, out);
if (err)
goto out;
@@ -106,13 +98,15 @@ int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id)
{
u32 *out;
int outlen = MLX5_ST_SZ_BYTES(query_adapter_out);
+ u32 in[MLX5_ST_SZ_DW(query_adapter_in)] = {};
int err;
out = kzalloc(outlen, GFP_KERNEL);
if (!out)
return -ENOMEM;
- err = mlx5_cmd_query_adapter(mdev, out, outlen);
+ MLX5_SET(query_adapter_in, in, opcode, MLX5_CMD_OP_QUERY_ADAPTER);
+ err = mlx5_cmd_exec_inout(mdev, query_adapter, in, out);
if (err)
goto out;
@@ -260,8 +254,7 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id)
{
- u32 out[MLX5_ST_SZ_DW(init_hca_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(init_hca_in)] = {};
int i;
MLX5_SET(init_hca_in, in, opcode, MLX5_CMD_OP_INIT_HCA);
@@ -272,16 +265,15 @@ int mlx5_cmd_init_hca(struct mlx5_core_dev *dev, uint32_t *sw_owner_id)
sw_owner_id[i]);
}
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, init_hca, in);
}
int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev)
{
- u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
MLX5_SET(teardown_hca_in, in, opcode, MLX5_CMD_OP_TEARDOWN_HCA);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, teardown_hca, in);
}
int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev)
@@ -316,8 +308,8 @@ int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev)
int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev)
{
unsigned long end, delay_ms = MLX5_FAST_TEARDOWN_WAIT_MS;
- u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(teardown_hca_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(teardown_hca_in)] = {};
int state;
int ret;
@@ -330,7 +322,7 @@ int mlx5_cmd_fast_teardown_hca(struct mlx5_core_dev *dev)
MLX5_SET(teardown_hca_in, in, profile,
MLX5_TEARDOWN_HCA_IN_PROFILE_PREPARE_FAST_TEARDOWN);
- ret = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ ret = mlx5_cmd_exec_inout(dev, teardown_hca, in, out);
if (ret)
return ret;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index f99e1752d4e5..c0cfbab15fe9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -36,7 +36,6 @@
#include <linux/vmalloc.h>
#include <linux/hardirq.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
#include "lib/eq.h"
#include "lib/mlx5.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 673aaa815f57..690b822c6152 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -160,45 +160,54 @@ int mlx5i_init_underlay_qp(struct mlx5e_priv *priv)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct mlx5i_priv *ipriv = priv->ppriv;
- struct mlx5_core_qp *qp = &ipriv->qp;
- struct mlx5_qp_context *context;
int ret;
- /* QP states */
- context = kzalloc(sizeof(*context), GFP_KERNEL);
- if (!context)
- return -ENOMEM;
+ {
+ u32 in[MLX5_ST_SZ_DW(rst2init_qp_in)] = {};
+ u32 *qpc;
- context->flags = cpu_to_be32(MLX5_QP_PM_MIGRATED << 11);
- context->pri_path.port = 1;
- context->pri_path.pkey_index = cpu_to_be16(ipriv->pkey_index);
- context->qkey = cpu_to_be32(IB_DEFAULT_Q_KEY);
+ qpc = MLX5_ADDR_OF(rst2init_qp_in, in, qpc);
- ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, context, qp);
- if (ret) {
- mlx5_core_err(mdev, "Failed to modify qp RST2INIT, err: %d\n", ret);
- goto err_qp_modify_to_err;
- }
- memset(context, 0, sizeof(*context));
+ MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
+ MLX5_SET(qpc, qpc, primary_address_path.pkey_index,
+ ipriv->pkey_index);
+ MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, 1);
+ MLX5_SET(qpc, qpc, q_key, IB_DEFAULT_Q_KEY);
- ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_INIT2RTR_QP, 0, context, qp);
- if (ret) {
- mlx5_core_err(mdev, "Failed to modify qp INIT2RTR, err: %d\n", ret);
- goto err_qp_modify_to_err;
+ MLX5_SET(rst2init_qp_in, in, opcode, MLX5_CMD_OP_RST2INIT_QP);
+ MLX5_SET(rst2init_qp_in, in, qpn, ipriv->qpn);
+ ret = mlx5_cmd_exec_in(mdev, rst2init_qp, in);
+ if (ret)
+ goto err_qp_modify_to_err;
}
-
- ret = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, 0, context, qp);
- if (ret) {
- mlx5_core_err(mdev, "Failed to modify qp RTR2RTS, err: %d\n", ret);
- goto err_qp_modify_to_err;
+ {
+ u32 in[MLX5_ST_SZ_DW(init2rtr_qp_in)] = {};
+
+ MLX5_SET(init2rtr_qp_in, in, opcode, MLX5_CMD_OP_INIT2RTR_QP);
+ MLX5_SET(init2rtr_qp_in, in, qpn, ipriv->qpn);
+ ret = mlx5_cmd_exec_in(mdev, init2rtr_qp, in);
+ if (ret)
+ goto err_qp_modify_to_err;
+ }
+ {
+ u32 in[MLX5_ST_SZ_DW(rtr2rts_qp_in)] = {};
+
+ MLX5_SET(rtr2rts_qp_in, in, opcode, MLX5_CMD_OP_RTR2RTS_QP);
+ MLX5_SET(rtr2rts_qp_in, in, qpn, ipriv->qpn);
+ ret = mlx5_cmd_exec_in(mdev, rtr2rts_qp, in);
+ if (ret)
+ goto err_qp_modify_to_err;
}
-
- kfree(context);
return 0;
err_qp_modify_to_err:
- mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2ERR_QP, 0, &context, qp);
- kfree(context);
+ {
+ u32 in[MLX5_ST_SZ_DW(qp_2err_in)] = {};
+
+ MLX5_SET(qp_2err_in, in, opcode, MLX5_CMD_OP_2ERR_QP);
+ MLX5_SET(qp_2err_in, in, qpn, ipriv->qpn);
+ mlx5_cmd_exec_in(mdev, qp_2err, in);
+ }
return ret;
}
@@ -206,30 +215,24 @@ void mlx5i_uninit_underlay_qp(struct mlx5e_priv *priv)
{
struct mlx5i_priv *ipriv = priv->ppriv;
struct mlx5_core_dev *mdev = priv->mdev;
- struct mlx5_qp_context context;
- int err;
+ u32 in[MLX5_ST_SZ_DW(qp_2rst_in)] = {};
- err = mlx5_core_qp_modify(mdev, MLX5_CMD_OP_2RST_QP, 0, &context,
- &ipriv->qp);
- if (err)
- mlx5_core_err(mdev, "Failed to modify qp 2RST, err: %d\n", err);
+ MLX5_SET(qp_2rst_in, in, opcode, MLX5_CMD_OP_2RST_QP);
+ MLX5_SET(qp_2rst_in, in, qpn, ipriv->qpn);
+ mlx5_cmd_exec_in(mdev, qp_2rst, in);
}
#define MLX5_QP_ENHANCED_ULP_STATELESS_MODE 2
-int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp)
+int mlx5i_create_underlay_qp(struct mlx5e_priv *priv)
{
- u32 *in = NULL;
+ u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(create_qp_in)] = {};
+ struct mlx5i_priv *ipriv = priv->ppriv;
void *addr_path;
int ret = 0;
- int inlen;
void *qpc;
- inlen = MLX5_ST_SZ_BYTES(create_qp_in);
- in = kvzalloc(inlen, GFP_KERNEL);
- if (!in)
- return -ENOMEM;
-
qpc = MLX5_ADDR_OF(create_qp_in, in, qpc);
MLX5_SET(qpc, qpc, st, MLX5_QP_ST_UD);
MLX5_SET(qpc, qpc, pm_state, MLX5_QP_PM_MIGRATED);
@@ -240,20 +243,28 @@ int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp
MLX5_SET(ads, addr_path, vhca_port_num, 1);
MLX5_SET(ads, addr_path, grh, 1);
- ret = mlx5_core_create_qp(mdev, qp, in, inlen);
- if (ret) {
- mlx5_core_err(mdev, "Failed creating IPoIB QP err : %d\n", ret);
- goto out;
- }
+ MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
+ ret = mlx5_cmd_exec_inout(priv->mdev, create_qp, in, out);
+ if (ret)
+ return ret;
-out:
- kvfree(in);
- return ret;
+ ipriv->qpn = MLX5_GET(create_qp_out, out, qpn);
+
+ return 0;
}
-void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp)
+void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, u32 qpn)
{
- mlx5_core_destroy_qp(mdev, qp);
+ u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
+
+ MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
+ MLX5_SET(destroy_qp_in, in, qpn, qpn);
+ mlx5_cmd_exec_in(mdev, destroy_qp, in);
+}
+
+int mlx5i_update_nic_rx(struct mlx5e_priv *priv)
+{
+ return mlx5e_refresh_tirs(priv, true, true);
}
int mlx5i_create_tis(struct mlx5_core_dev *mdev, u32 underlay_qpn, u32 *tisn)
@@ -273,13 +284,13 @@ static int mlx5i_init_tx(struct mlx5e_priv *priv)
struct mlx5i_priv *ipriv = priv->ppriv;
int err;
- err = mlx5i_create_underlay_qp(priv->mdev, &ipriv->qp);
+ err = mlx5i_create_underlay_qp(priv);
if (err) {
mlx5_core_warn(priv->mdev, "create underlay QP failed, %d\n", err);
return err;
}
- err = mlx5i_create_tis(priv->mdev, ipriv->qp.qpn, &priv->tisn[0][0]);
+ err = mlx5i_create_tis(priv->mdev, ipriv->qpn, &priv->tisn[0][0]);
if (err) {
mlx5_core_warn(priv->mdev, "create tis failed, %d\n", err);
goto err_destroy_underlay_qp;
@@ -288,7 +299,7 @@ static int mlx5i_init_tx(struct mlx5e_priv *priv)
return 0;
err_destroy_underlay_qp:
- mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp);
+ mlx5i_destroy_underlay_qp(priv->mdev, ipriv->qpn);
return err;
}
@@ -297,7 +308,7 @@ static void mlx5i_cleanup_tx(struct mlx5e_priv *priv)
struct mlx5i_priv *ipriv = priv->ppriv;
mlx5e_destroy_tis(priv->mdev, priv->tisn[0][0]);
- mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp);
+ mlx5i_destroy_underlay_qp(priv->mdev, ipriv->qpn);
}
static int mlx5i_create_flow_steering(struct mlx5e_priv *priv)
@@ -396,7 +407,7 @@ static int mlx5i_init_rx(struct mlx5e_priv *priv)
err_destroy_direct_tirs:
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
err_destroy_indirect_tirs:
- mlx5e_destroy_indirect_tirs(priv, true);
+ mlx5e_destroy_indirect_tirs(priv);
err_destroy_direct_rqts:
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
err_destroy_indirect_rqts:
@@ -412,7 +423,7 @@ static void mlx5i_cleanup_rx(struct mlx5e_priv *priv)
{
mlx5i_destroy_flow_steering(priv);
mlx5e_destroy_direct_tirs(priv, priv->direct_tir);
- mlx5e_destroy_indirect_tirs(priv, true);
+ mlx5e_destroy_indirect_tirs(priv);
mlx5e_destroy_direct_rqts(priv, priv->direct_tir);
mlx5e_destroy_rqt(priv, &priv->indir_rqt);
mlx5e_close_drop_rq(&priv->drop_rq);
@@ -450,7 +461,7 @@ static const struct mlx5e_profile mlx5i_nic_profile = {
.cleanup_rx = mlx5i_cleanup_rx,
.enable = NULL, /* mlx5i_enable */
.disable = NULL, /* mlx5i_disable */
- .update_rx = mlx5e_update_nic_rx,
+ .update_rx = mlx5i_update_nic_rx,
.update_stats = NULL, /* mlx5i_update_stats */
.update_carrier = NULL, /* no HW update in IB link */
.rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe,
@@ -500,12 +511,12 @@ int mlx5i_dev_init(struct net_device *dev)
struct mlx5i_priv *ipriv = priv->ppriv;
/* Set dev address using underlay QP */
- dev->dev_addr[1] = (ipriv->qp.qpn >> 16) & 0xff;
- dev->dev_addr[2] = (ipriv->qp.qpn >> 8) & 0xff;
- dev->dev_addr[3] = (ipriv->qp.qpn) & 0xff;
+ dev->dev_addr[1] = (ipriv->qpn >> 16) & 0xff;
+ dev->dev_addr[2] = (ipriv->qpn >> 8) & 0xff;
+ dev->dev_addr[3] = (ipriv->qpn) & 0xff;
/* Add QPN to net-device mapping to HT */
- mlx5i_pkey_add_qpn(dev ,ipriv->qp.qpn);
+ mlx5i_pkey_add_qpn(dev, ipriv->qpn);
return 0;
}
@@ -532,7 +543,7 @@ void mlx5i_dev_cleanup(struct net_device *dev)
mlx5i_uninit_underlay_qp(priv);
/* Delete QPN to net-device mapping from HT */
- mlx5i_pkey_del_qpn(dev, ipriv->qp.qpn);
+ mlx5i_pkey_del_qpn(dev, ipriv->qpn);
}
static int mlx5i_open(struct net_device *netdev)
@@ -552,7 +563,7 @@ static int mlx5i_open(struct net_device *netdev)
goto err_clear_state_opened_flag;
}
- err = mlx5_fs_add_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ err = mlx5_fs_add_rx_underlay_qpn(mdev, ipriv->qpn);
if (err) {
mlx5_core_warn(mdev, "attach underlay qp to ft failed, %d\n", err);
goto err_reset_qp;
@@ -569,7 +580,7 @@ static int mlx5i_open(struct net_device *netdev)
return 0;
err_remove_fs_underlay_qp:
- mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qpn);
err_reset_qp:
mlx5i_uninit_underlay_qp(epriv);
err_clear_state_opened_flag:
@@ -595,7 +606,7 @@ static int mlx5i_close(struct net_device *netdev)
clear_bit(MLX5E_STATE_OPENED, &epriv->state);
netif_carrier_off(epriv->netdev);
- mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qpn);
mlx5e_deactivate_priv_channels(epriv);
mlx5e_close_channels(&epriv->channels);
mlx5i_uninit_underlay_qp(epriv);
@@ -614,11 +625,12 @@ static int mlx5i_attach_mcast(struct net_device *netdev, struct ib_device *hca,
struct mlx5i_priv *ipriv = epriv->ppriv;
int err;
- mlx5_core_dbg(mdev, "attaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw);
- err = mlx5_core_attach_mcg(mdev, gid, ipriv->qp.qpn);
+ mlx5_core_dbg(mdev, "attaching QPN 0x%x, MGID %pI6\n", ipriv->qpn,
+ gid->raw);
+ err = mlx5_core_attach_mcg(mdev, gid, ipriv->qpn);
if (err)
mlx5_core_warn(mdev, "failed attaching QPN 0x%x, MGID %pI6\n",
- ipriv->qp.qpn, gid->raw);
+ ipriv->qpn, gid->raw);
if (set_qkey) {
mlx5_core_dbg(mdev, "%s setting qkey 0x%x\n",
@@ -637,12 +649,13 @@ static int mlx5i_detach_mcast(struct net_device *netdev, struct ib_device *hca,
struct mlx5i_priv *ipriv = epriv->ppriv;
int err;
- mlx5_core_dbg(mdev, "detaching QPN 0x%x, MGID %pI6\n", ipriv->qp.qpn, gid->raw);
+ mlx5_core_dbg(mdev, "detaching QPN 0x%x, MGID %pI6\n", ipriv->qpn,
+ gid->raw);
- err = mlx5_core_detach_mcg(mdev, gid, ipriv->qp.qpn);
+ err = mlx5_core_detach_mcg(mdev, gid, ipriv->qpn);
if (err)
mlx5_core_dbg(mdev, "failed detaching QPN 0x%x, MGID %pI6\n",
- ipriv->qp.qpn, gid->raw);
+ ipriv->qpn, gid->raw);
return err;
}
@@ -655,7 +668,9 @@ static int mlx5i_xmit(struct net_device *dev, struct sk_buff *skb,
struct mlx5_ib_ah *mah = to_mah(address);
struct mlx5i_priv *ipriv = epriv->ppriv;
- return mlx5i_sq_xmit(sq, skb, &mah->av, dqpn, ipriv->qkey, netdev_xmit_more());
+ mlx5i_sq_xmit(sq, skb, &mah->av, dqpn, ipriv->qkey, netdev_xmit_more());
+
+ return NETDEV_TX_OK;
}
static void mlx5i_set_pkey_index(struct net_device *netdev, int id)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
index de7e01a027bb..79071a15c4ca 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
@@ -51,7 +51,7 @@ extern const struct ethtool_ops mlx5i_pkey_ethtool_ops;
/* ipoib rdma netdev's private data structure */
struct mlx5i_priv {
struct rdma_netdev rn; /* keep this first */
- struct mlx5_core_qp qp;
+ u32 qpn;
bool sub_interface;
u32 qkey;
u16 pkey_index;
@@ -62,8 +62,8 @@ struct mlx5i_priv {
int mlx5i_create_tis(struct mlx5_core_dev *mdev, u32 underlay_qpn, u32 *tisn);
/* Underlay QP create/destroy functions */
-int mlx5i_create_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp);
-void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, struct mlx5_core_qp *qp);
+int mlx5i_create_underlay_qp(struct mlx5e_priv *priv);
+void mlx5i_destroy_underlay_qp(struct mlx5_core_dev *mdev, u32 qpn);
/* Underlay QP state modification init/uninit functions */
int mlx5i_init_underlay_qp(struct mlx5e_priv *priv);
@@ -92,6 +92,8 @@ int mlx5i_init(struct mlx5_core_dev *mdev,
void *ppriv);
void mlx5i_cleanup(struct mlx5e_priv *priv);
+int mlx5i_update_nic_rx(struct mlx5e_priv *priv);
+
/* Get child interface nic profile */
const struct mlx5e_profile *mlx5i_pkey_get_profile(void);
@@ -110,19 +112,11 @@ struct mlx5i_tx_wqe {
struct mlx5_wqe_data_seg data[];
};
-static inline void mlx5i_sq_fetch_wqe(struct mlx5e_txqsq *sq,
- struct mlx5i_tx_wqe **wqe,
- u16 pi)
-{
- struct mlx5_wq_cyc *wq = &sq->wq;
-
- *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
- memset(*wqe, 0, sizeof(**wqe));
-}
+#define MLX5I_SQ_FETCH_WQE(sq, pi) \
+ ((struct mlx5i_tx_wqe *)mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5i_tx_wqe)))
-netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
- struct mlx5_av *av, u32 dqpn, u32 dqkey,
- bool xmit_more);
+void mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
+ struct mlx5_av *av, u32 dqpn, u32 dqkey, bool xmit_more);
void mlx5i_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
void mlx5i_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
index 96e64187c089..f70367018862 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib_vlan.c
@@ -204,13 +204,13 @@ static int mlx5i_pkey_open(struct net_device *netdev)
goto err_release_lock;
}
- err = mlx5_fs_add_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ err = mlx5_fs_add_rx_underlay_qpn(mdev, ipriv->qpn);
if (err) {
mlx5_core_warn(mdev, "attach child underlay qp to ft failed, %d\n", err);
goto err_unint_underlay_qp;
}
- err = mlx5i_create_tis(mdev, ipriv->qp.qpn, &epriv->tisn[0][0]);
+ err = mlx5i_create_tis(mdev, ipriv->qpn, &epriv->tisn[0][0]);
if (err) {
mlx5_core_warn(mdev, "create child tis failed, %d\n", err);
goto err_remove_rx_uderlay_qp;
@@ -230,7 +230,7 @@ static int mlx5i_pkey_open(struct net_device *netdev)
err_clear_state_opened_flag:
mlx5e_destroy_tis(mdev, epriv->tisn[0][0]);
err_remove_rx_uderlay_qp:
- mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qpn);
err_unint_underlay_qp:
mlx5i_uninit_underlay_qp(epriv);
err_release_lock:
@@ -253,7 +253,7 @@ static int mlx5i_pkey_close(struct net_device *netdev)
clear_bit(MLX5E_STATE_OPENED, &priv->state);
netif_carrier_off(priv->netdev);
- mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qp.qpn);
+ mlx5_fs_remove_rx_underlay_qpn(mdev, ipriv->qpn);
mlx5i_uninit_underlay_qp(priv);
mlx5e_deactivate_priv_channels(priv);
mlx5e_close_channels(&priv->channels);
@@ -307,23 +307,20 @@ static void mlx5i_pkey_cleanup(struct mlx5e_priv *priv)
static int mlx5i_pkey_init_tx(struct mlx5e_priv *priv)
{
- struct mlx5i_priv *ipriv = priv->ppriv;
int err;
- err = mlx5i_create_underlay_qp(priv->mdev, &ipriv->qp);
- if (err) {
+ err = mlx5i_create_underlay_qp(priv);
+ if (err)
mlx5_core_warn(priv->mdev, "create child underlay QP failed, %d\n", err);
- return err;
- }
- return 0;
+ return err;
}
static void mlx5i_pkey_cleanup_tx(struct mlx5e_priv *priv)
{
struct mlx5i_priv *ipriv = priv->ppriv;
- mlx5i_destroy_underlay_qp(priv->mdev, &ipriv->qp);
+ mlx5i_destroy_underlay_qp(priv->mdev, ipriv->qpn);
}
static int mlx5i_pkey_init_rx(struct mlx5e_priv *priv)
@@ -350,7 +347,7 @@ static const struct mlx5e_profile mlx5i_pkey_nic_profile = {
.cleanup_rx = mlx5i_pkey_cleanup_rx,
.enable = NULL,
.disable = NULL,
- .update_rx = mlx5e_update_nic_rx,
+ .update_rx = mlx5i_update_nic_rx,
.update_stats = NULL,
.rx_handlers.handle_rx_cqe = mlx5i_handle_rx_cqe,
.rx_handlers.handle_rx_cqe_mpwqe = NULL, /* Not supported */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
index 93052b07c76c..874c70e8cc54 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c
@@ -42,13 +42,12 @@
* Beware of lock dependencies (preferably, no locks should be acquired
* under it).
*/
-static DEFINE_MUTEX(lag_mutex);
+static DEFINE_SPINLOCK(lag_lock);
static int mlx5_cmd_create_lag(struct mlx5_core_dev *dev, u8 remap_port1,
u8 remap_port2)
{
- u32 in[MLX5_ST_SZ_DW(create_lag_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(create_lag_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(create_lag_in)] = {};
void *lag_ctx = MLX5_ADDR_OF(create_lag_in, in, ctx);
MLX5_SET(create_lag_in, in, opcode, MLX5_CMD_OP_CREATE_LAG);
@@ -56,14 +55,13 @@ static int mlx5_cmd_create_lag(struct mlx5_core_dev *dev, u8 remap_port1,
MLX5_SET(lagc, lag_ctx, tx_remap_affinity_1, remap_port1);
MLX5_SET(lagc, lag_ctx, tx_remap_affinity_2, remap_port2);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, create_lag, in);
}
static int mlx5_cmd_modify_lag(struct mlx5_core_dev *dev, u8 remap_port1,
u8 remap_port2)
{
- u32 in[MLX5_ST_SZ_DW(modify_lag_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(modify_lag_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_lag_in)] = {};
void *lag_ctx = MLX5_ADDR_OF(modify_lag_in, in, ctx);
MLX5_SET(modify_lag_in, in, opcode, MLX5_CMD_OP_MODIFY_LAG);
@@ -72,52 +70,29 @@ static int mlx5_cmd_modify_lag(struct mlx5_core_dev *dev, u8 remap_port1,
MLX5_SET(lagc, lag_ctx, tx_remap_affinity_1, remap_port1);
MLX5_SET(lagc, lag_ctx, tx_remap_affinity_2, remap_port2);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-
-static int mlx5_cmd_destroy_lag(struct mlx5_core_dev *dev)
-{
- u32 in[MLX5_ST_SZ_DW(destroy_lag_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_lag_out)] = {0};
-
- MLX5_SET(destroy_lag_in, in, opcode, MLX5_CMD_OP_DESTROY_LAG);
-
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_lag, in);
}
int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev)
{
- u32 in[MLX5_ST_SZ_DW(create_vport_lag_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(create_vport_lag_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(create_vport_lag_in)] = {};
MLX5_SET(create_vport_lag_in, in, opcode, MLX5_CMD_OP_CREATE_VPORT_LAG);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, create_vport_lag, in);
}
EXPORT_SYMBOL(mlx5_cmd_create_vport_lag);
int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev)
{
- u32 in[MLX5_ST_SZ_DW(destroy_vport_lag_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_vport_lag_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_vport_lag_in)] = {};
MLX5_SET(destroy_vport_lag_in, in, opcode, MLX5_CMD_OP_DESTROY_VPORT_LAG);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_vport_lag, in);
}
EXPORT_SYMBOL(mlx5_cmd_destroy_vport_lag);
-static int mlx5_cmd_query_cong_counter(struct mlx5_core_dev *dev,
- bool reset, void *out, int out_size)
-{
- u32 in[MLX5_ST_SZ_DW(query_cong_statistics_in)] = { };
-
- MLX5_SET(query_cong_statistics_in, in, opcode,
- MLX5_CMD_OP_QUERY_CONG_STATISTICS);
- MLX5_SET(query_cong_statistics_in, in, clear, reset);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, out_size);
-}
-
int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev,
struct net_device *ndev)
{
@@ -232,12 +207,14 @@ int mlx5_activate_lag(struct mlx5_lag *ldev,
static int mlx5_deactivate_lag(struct mlx5_lag *ldev)
{
struct mlx5_core_dev *dev0 = ldev->pf[MLX5_LAG_P1].dev;
+ u32 in[MLX5_ST_SZ_DW(destroy_lag_in)] = {};
bool roce_lag = __mlx5_lag_is_roce(ldev);
int err;
ldev->flags &= ~MLX5_LAG_MODE_FLAGS;
- err = mlx5_cmd_destroy_lag(dev0);
+ MLX5_SET(destroy_lag_in, in, opcode, MLX5_CMD_OP_DESTROY_LAG);
+ err = mlx5_cmd_exec_in(dev0, destroy_lag, in);
if (err) {
if (roce_lag) {
mlx5_core_err(dev0,
@@ -297,9 +274,9 @@ static void mlx5_do_bond(struct mlx5_lag *ldev)
if (!dev0 || !dev1)
return;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
tracker = ldev->tracker;
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
do_bond = tracker.is_bonded && mlx5_lag_check_prereq(ldev);
@@ -481,9 +458,9 @@ static int mlx5_lag_netdev_event(struct notifier_block *this,
break;
}
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev->tracker = tracker;
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
if (changed)
mlx5_queue_bond_work(ldev, 0);
@@ -525,7 +502,7 @@ static void mlx5_lag_dev_add_pf(struct mlx5_lag *ldev,
if (fn >= MLX5_MAX_PORTS)
return;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev->pf[fn].dev = dev;
ldev->pf[fn].netdev = netdev;
ldev->tracker.netdev_state[fn].link_up = 0;
@@ -533,7 +510,7 @@ static void mlx5_lag_dev_add_pf(struct mlx5_lag *ldev,
dev->priv.lag = ldev;
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
}
static void mlx5_lag_dev_remove_pf(struct mlx5_lag *ldev,
@@ -548,11 +525,11 @@ static void mlx5_lag_dev_remove_pf(struct mlx5_lag *ldev,
if (i == MLX5_MAX_PORTS)
return;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
memset(&ldev->pf[i], 0, sizeof(*ldev->pf));
dev->priv.lag = NULL;
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
}
/* Must be called with intf_mutex held */
@@ -630,10 +607,10 @@ bool mlx5_lag_is_roce(struct mlx5_core_dev *dev)
struct mlx5_lag *ldev;
bool res;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev = mlx5_lag_dev_get(dev);
res = ldev && __mlx5_lag_is_roce(ldev);
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
return res;
}
@@ -644,10 +621,10 @@ bool mlx5_lag_is_active(struct mlx5_core_dev *dev)
struct mlx5_lag *ldev;
bool res;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev = mlx5_lag_dev_get(dev);
res = ldev && __mlx5_lag_is_active(ldev);
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
return res;
}
@@ -658,10 +635,10 @@ bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev)
struct mlx5_lag *ldev;
bool res;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev = mlx5_lag_dev_get(dev);
res = ldev && __mlx5_lag_is_sriov(ldev);
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
return res;
}
@@ -687,7 +664,7 @@ struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev)
struct net_device *ndev = NULL;
struct mlx5_lag *ldev;
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev = mlx5_lag_dev_get(dev);
if (!(ldev && __mlx5_lag_is_roce(ldev)))
@@ -704,12 +681,36 @@ struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev)
dev_hold(ndev);
unlock:
- mutex_unlock(&lag_mutex);
+ spin_unlock(&lag_lock);
return ndev;
}
EXPORT_SYMBOL(mlx5_lag_get_roce_netdev);
+u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
+ struct net_device *slave)
+{
+ struct mlx5_lag *ldev;
+ u8 port = 0;
+
+ spin_lock(&lag_lock);
+ ldev = mlx5_lag_dev_get(dev);
+ if (!(ldev && __mlx5_lag_is_roce(ldev)))
+ goto unlock;
+
+ if (ldev->pf[MLX5_LAG_P1].netdev == slave)
+ port = MLX5_LAG_P1;
+ else
+ port = MLX5_LAG_P2;
+
+ port = ldev->v2p_map[port];
+
+unlock:
+ spin_unlock(&lag_lock);
+ return port;
+}
+EXPORT_SYMBOL(mlx5_lag_get_slave_port);
+
bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv)
{
struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev,
@@ -746,7 +747,7 @@ int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
memset(values, 0, sizeof(*values) * num_counters);
- mutex_lock(&lag_mutex);
+ spin_lock(&lag_lock);
ldev = mlx5_lag_dev_get(dev);
if (ldev && __mlx5_lag_is_roce(ldev)) {
num_ports = MLX5_MAX_PORTS;
@@ -756,18 +757,23 @@ int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
num_ports = 1;
mdev[MLX5_LAG_P1] = dev;
}
+ spin_unlock(&lag_lock);
for (i = 0; i < num_ports; ++i) {
- ret = mlx5_cmd_query_cong_counter(mdev[i], false, out, outlen);
+ u32 in[MLX5_ST_SZ_DW(query_cong_statistics_in)] = {};
+
+ MLX5_SET(query_cong_statistics_in, in, opcode,
+ MLX5_CMD_OP_QUERY_CONG_STATISTICS);
+ ret = mlx5_cmd_exec_inout(mdev[i], query_cong_statistics, in,
+ out);
if (ret)
- goto unlock;
+ goto free;
for (j = 0; j < num_counters; ++j)
values[j] += be64_to_cpup((__be64 *)(out + offsets[j]));
}
-unlock:
- mutex_unlock(&lag_mutex);
+free:
kvfree(out);
return ret;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 43f97601b500..ef0706d15a5b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -32,6 +32,7 @@
#include <linux/clocksource.h>
#include <linux/highmem.h>
+#include <linux/ptp_clock_kernel.h>
#include <rdma/mlx5-abi.h>
#include "lib/eq.h"
#include "en.h"
@@ -66,6 +67,26 @@ enum {
MLX5_MTPPS_FS_ENH_OUT_PER_ADJ = BIT(0x7),
};
+static u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev,
+ struct ptp_system_timestamp *sts)
+{
+ u32 timer_h, timer_h1, timer_l;
+
+ timer_h = ioread32be(&dev->iseg->internal_timer_h);
+ ptp_read_system_prets(sts);
+ timer_l = ioread32be(&dev->iseg->internal_timer_l);
+ ptp_read_system_postts(sts);
+ timer_h1 = ioread32be(&dev->iseg->internal_timer_h);
+ if (timer_h != timer_h1) {
+ /* wrap around */
+ ptp_read_system_prets(sts);
+ timer_l = ioread32be(&dev->iseg->internal_timer_l);
+ ptp_read_system_postts(sts);
+ }
+
+ return (u64)timer_l | (u64)timer_h1 << 32;
+}
+
static u64 read_internal_timer(const struct cyclecounter *cc)
{
struct mlx5_clock *clock = container_of(cc, struct mlx5_clock, cycles);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
index 6cbccba56f70..3d5e57ff558c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
@@ -90,7 +90,8 @@ void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
}
int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
- u64 length, u16 uid, phys_addr_t *addr, u32 *obj_id)
+ u64 length, u32 log_alignment, u16 uid,
+ phys_addr_t *addr, u32 *obj_id)
{
u32 num_blocks = DIV_ROUND_UP_ULL(length, MLX5_SW_ICM_BLOCK_SIZE(dev));
u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {};
@@ -99,6 +100,7 @@ int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
unsigned long *block_map;
u64 icm_start_addr;
u32 log_icm_size;
+ u64 align_mask;
u32 max_blocks;
u64 block_idx;
void *sw_icm;
@@ -136,11 +138,14 @@ int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
return -EOPNOTSUPP;
max_blocks = BIT(log_icm_size - MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
+
+ if (log_alignment < MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
+ log_alignment = MLX5_LOG_SW_ICM_BLOCK_SIZE(dev);
+ align_mask = BIT(log_alignment - MLX5_LOG_SW_ICM_BLOCK_SIZE(dev)) - 1;
+
spin_lock(&dm->lock);
- block_idx = bitmap_find_next_zero_area(block_map,
- max_blocks,
- 0,
- num_blocks, 0);
+ block_idx = bitmap_find_next_zero_area(block_map, max_blocks, 0,
+ num_blocks, align_mask);
if (block_idx < max_blocks)
bitmap_set(block_map,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
index 4be4d2d36218..4aaca7400fb2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h
@@ -27,7 +27,6 @@ struct mlx5_eq {
__be32 __iomem *doorbell;
u32 cons_index;
struct mlx5_frag_buf buf;
- int size;
unsigned int vecidx;
unsigned int irqn;
u8 eqn;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/gid.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/gid.c
index 7722a3f9bb68..a68738c8f4bc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/gid.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/gid.c
@@ -124,8 +124,7 @@ int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
const u8 *mac, bool vlan, u16 vlan_id, u8 port_num)
{
#define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v)
- u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {};
void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address);
char *addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, in_addr,
source_l3_address);
@@ -153,6 +152,6 @@ int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
MLX5_SET(set_roce_address_in, in, roce_address_index, index);
MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, set_roce_address, in);
}
EXPORT_SYMBOL(mlx5_core_roce_gid_set);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
index 3118e8d66407..fd8449ff9e17 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
@@ -40,8 +40,7 @@
/* HW L2 Table (MPFS) management */
static int set_l2table_entry_cmd(struct mlx5_core_dev *dev, u32 index, u8 *mac)
{
- u32 in[MLX5_ST_SZ_DW(set_l2_table_entry_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(set_l2_table_entry_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(set_l2_table_entry_in)] = {};
u8 *in_mac_addr;
MLX5_SET(set_l2_table_entry_in, in, opcode, MLX5_CMD_OP_SET_L2_TABLE_ENTRY);
@@ -50,17 +49,16 @@ static int set_l2table_entry_cmd(struct mlx5_core_dev *dev, u32 index, u8 *mac)
in_mac_addr = MLX5_ADDR_OF(set_l2_table_entry_in, in, mac_address);
ether_addr_copy(&in_mac_addr[2], mac);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, set_l2_table_entry, in);
}
static int del_l2table_entry_cmd(struct mlx5_core_dev *dev, u32 index)
{
- u32 in[MLX5_ST_SZ_DW(delete_l2_table_entry_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(delete_l2_table_entry_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(delete_l2_table_entry_in)] = {};
MLX5_SET(delete_l2_table_entry_in, in, opcode, MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY);
MLX5_SET(delete_l2_table_entry_in, in, table_index, index);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, delete_l2_table_entry, in);
}
/* UC L2 table hash node */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
index 48b5c847b642..e042e0924079 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c
@@ -4,7 +4,6 @@
#include <linux/module.h>
#include <linux/mlx5/driver.h>
#include <linux/mlx5/port.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
#include "lib/port_tun.h"
@@ -145,11 +144,11 @@ static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy,
int mlx5_tun_entropy_refcount_inc(struct mlx5_tun_entropy *tun_entropy,
int reformat_type)
{
- /* the default is error for unknown (non VXLAN/GRE tunnel types) */
int err = -EOPNOTSUPP;
mutex_lock(&tun_entropy->lock);
- if (reformat_type == MLX5_REFORMAT_TYPE_L2_TO_VXLAN &&
+ if ((reformat_type == MLX5_REFORMAT_TYPE_L2_TO_VXLAN ||
+ reformat_type == MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL) &&
tun_entropy->enabled) {
/* in case entropy calculation is enabled for all tunneling
* types, it is ok for VXLAN, so approve.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
index 148b55c3db7a..82c766a95165 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c
@@ -60,24 +60,22 @@ static inline u8 mlx5_vxlan_max_udp_ports(struct mlx5_core_dev *mdev)
static int mlx5_vxlan_core_add_port_cmd(struct mlx5_core_dev *mdev, u16 port)
{
- u32 in[MLX5_ST_SZ_DW(add_vxlan_udp_dport_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(add_vxlan_udp_dport_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(add_vxlan_udp_dport_in)] = {};
MLX5_SET(add_vxlan_udp_dport_in, in, opcode,
MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT);
MLX5_SET(add_vxlan_udp_dport_in, in, vxlan_udp_port, port);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, add_vxlan_udp_dport, in);
}
static int mlx5_vxlan_core_del_port_cmd(struct mlx5_core_dev *mdev, u16 port)
{
- u32 in[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(delete_vxlan_udp_dport_in)] = {};
MLX5_SET(delete_vxlan_udp_dport_in, in, opcode,
MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT);
MLX5_SET(delete_vxlan_udp_dport_in, in, vxlan_udp_port, port);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, delete_vxlan_udp_dport, in);
}
static struct mlx5_vxlan_port*
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 7af4210c1b96..df46b1fce3a7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -177,6 +177,11 @@ static struct mlx5_profile profile[] = {
#define FW_PRE_INIT_TIMEOUT_MILI 120000
#define FW_INIT_WARN_MESSAGE_INTERVAL 20000
+static int fw_initializing(struct mlx5_core_dev *dev)
+{
+ return ioread32be(&dev->iseg->initializing) >> 31;
+}
+
static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili,
u32 warn_time_mili)
{
@@ -206,8 +211,7 @@ static void mlx5_set_driver_version(struct mlx5_core_dev *dev)
{
int driver_ver_sz = MLX5_FLD_SZ_BYTES(set_driver_version_in,
driver_version);
- u8 in[MLX5_ST_SZ_BYTES(set_driver_version_in)] = {0};
- u8 out[MLX5_ST_SZ_BYTES(set_driver_version_out)] = {0};
+ u8 in[MLX5_ST_SZ_BYTES(set_driver_version_in)] = {};
int remaining_size = driver_ver_sz;
char *string;
@@ -234,7 +238,7 @@ static void mlx5_set_driver_version(struct mlx5_core_dev *dev)
MLX5_SET(set_driver_version_in, in, opcode,
MLX5_CMD_OP_SET_DRIVER_VERSION);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, set_driver_version, in);
}
static int set_dma_caps(struct pci_dev *pdev)
@@ -366,7 +370,7 @@ static int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev,
MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
MLX5_SET(query_hca_cap_in, in, op_mod, opmod);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
+ err = mlx5_cmd_exec_inout(dev, query_hca_cap, in, out);
if (err) {
mlx5_core_warn(dev,
"QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n",
@@ -407,30 +411,25 @@ int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type)
return mlx5_core_get_caps_mode(dev, cap_type, HCA_CAP_OPMOD_GET_MAX);
}
-static int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz, int opmod)
+static int set_caps(struct mlx5_core_dev *dev, void *in, int opmod)
{
- u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)] = {0};
-
MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP);
MLX5_SET(set_hca_cap_in, in, op_mod, opmod << 1);
- return mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, set_hca_cap, in);
}
-static int handle_hca_cap_atomic(struct mlx5_core_dev *dev)
+static int handle_hca_cap_atomic(struct mlx5_core_dev *dev, void *set_ctx)
{
- void *set_ctx;
void *set_hca_cap;
- int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
int req_endianness;
int err;
- if (MLX5_CAP_GEN(dev, atomic)) {
- err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC);
- if (err)
- return err;
- } else {
+ if (!MLX5_CAP_GEN(dev, atomic))
return 0;
- }
+
+ err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC);
+ if (err)
+ return err;
req_endianness =
MLX5_CAP_ATOMIC(dev,
@@ -439,27 +438,18 @@ static int handle_hca_cap_atomic(struct mlx5_core_dev *dev)
if (req_endianness != MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS)
return 0;
- set_ctx = kzalloc(set_sz, GFP_KERNEL);
- if (!set_ctx)
- return -ENOMEM;
-
set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability);
/* Set requestor to host endianness */
MLX5_SET(atomic_caps, set_hca_cap, atomic_req_8B_endianness_mode,
MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS);
- err = set_caps(dev, set_ctx, set_sz, MLX5_SET_HCA_CAP_OP_MOD_ATOMIC);
-
- kfree(set_ctx);
- return err;
+ return set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_ATOMIC);
}
-static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
+static int handle_hca_cap_odp(struct mlx5_core_dev *dev, void *set_ctx)
{
void *set_hca_cap;
- void *set_ctx;
- int set_sz;
bool do_set = false;
int err;
@@ -471,11 +461,6 @@ static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
if (err)
return err;
- set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
- set_ctx = kzalloc(set_sz, GFP_KERNEL);
- if (!set_ctx)
- return -ENOMEM;
-
set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability);
memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_ODP],
MLX5_ST_SZ_BYTES(odp_cap));
@@ -504,30 +489,21 @@ static int handle_hca_cap_odp(struct mlx5_core_dev *dev)
ODP_CAP_SET_MAX(dev, dc_odp_caps.read);
ODP_CAP_SET_MAX(dev, dc_odp_caps.atomic);
- if (do_set)
- err = set_caps(dev, set_ctx, set_sz,
- MLX5_SET_HCA_CAP_OP_MOD_ODP);
-
- kfree(set_ctx);
+ if (!do_set)
+ return 0;
- return err;
+ return set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_ODP);
}
-static int handle_hca_cap(struct mlx5_core_dev *dev)
+static int handle_hca_cap(struct mlx5_core_dev *dev, void *set_ctx)
{
- void *set_ctx = NULL;
struct mlx5_profile *prof = dev->profile;
- int err = -ENOMEM;
- int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
void *set_hca_cap;
-
- set_ctx = kzalloc(set_sz, GFP_KERNEL);
- if (!set_ctx)
- goto query_ex;
+ int err;
err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL);
if (err)
- goto query_ex;
+ return err;
set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx,
capability);
@@ -578,37 +554,76 @@ static int handle_hca_cap(struct mlx5_core_dev *dev)
num_vhca_ports,
MLX5_CAP_GEN_MAX(dev, num_vhca_ports));
- err = set_caps(dev, set_ctx, set_sz,
- MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE);
+ if (MLX5_CAP_GEN_MAX(dev, release_all_pages))
+ MLX5_SET(cmd_hca_cap, set_hca_cap, release_all_pages, 1);
-query_ex:
- kfree(set_ctx);
+ return set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE);
+}
+
+static int handle_hca_cap_roce(struct mlx5_core_dev *dev, void *set_ctx)
+{
+ void *set_hca_cap;
+ int err;
+
+ if (!MLX5_CAP_GEN(dev, roce))
+ return 0;
+
+ err = mlx5_core_get_caps(dev, MLX5_CAP_ROCE);
+ if (err)
+ return err;
+
+ if (MLX5_CAP_ROCE(dev, sw_r_roce_src_udp_port) ||
+ !MLX5_CAP_ROCE_MAX(dev, sw_r_roce_src_udp_port))
+ return 0;
+
+ set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability);
+ memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_ROCE],
+ MLX5_ST_SZ_BYTES(roce_cap));
+ MLX5_SET(roce_cap, set_hca_cap, sw_r_roce_src_udp_port, 1);
+
+ err = set_caps(dev, set_ctx, MLX5_SET_HCA_CAP_OP_MOD_ROCE);
return err;
}
static int set_hca_cap(struct mlx5_core_dev *dev)
{
+ int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
+ void *set_ctx;
int err;
- err = handle_hca_cap(dev);
+ set_ctx = kzalloc(set_sz, GFP_KERNEL);
+ if (!set_ctx)
+ return -ENOMEM;
+
+ err = handle_hca_cap(dev, set_ctx);
if (err) {
mlx5_core_err(dev, "handle_hca_cap failed\n");
goto out;
}
- err = handle_hca_cap_atomic(dev);
+ memset(set_ctx, 0, set_sz);
+ err = handle_hca_cap_atomic(dev, set_ctx);
if (err) {
mlx5_core_err(dev, "handle_hca_cap_atomic failed\n");
goto out;
}
- err = handle_hca_cap_odp(dev);
+ memset(set_ctx, 0, set_sz);
+ err = handle_hca_cap_odp(dev, set_ctx);
if (err) {
mlx5_core_err(dev, "handle_hca_cap_odp failed\n");
goto out;
}
+ memset(set_ctx, 0, set_sz);
+ err = handle_hca_cap_roce(dev, set_ctx);
+ if (err) {
+ mlx5_core_err(dev, "handle_hca_cap_roce failed\n");
+ goto out;
+ }
+
out:
+ kfree(set_ctx);
return err;
}
@@ -642,58 +657,35 @@ static int mlx5_core_set_hca_defaults(struct mlx5_core_dev *dev)
int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id)
{
- u32 out[MLX5_ST_SZ_DW(enable_hca_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {};
MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA);
MLX5_SET(enable_hca_in, in, function_id, func_id);
MLX5_SET(enable_hca_in, in, embedded_cpu_function,
dev->caps.embedded_cpu);
- return mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, enable_hca, in);
}
int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id)
{
- u32 out[MLX5_ST_SZ_DW(disable_hca_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {};
MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA);
MLX5_SET(disable_hca_in, in, function_id, func_id);
MLX5_SET(enable_hca_in, in, embedded_cpu_function,
dev->caps.embedded_cpu);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-}
-
-u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev,
- struct ptp_system_timestamp *sts)
-{
- u32 timer_h, timer_h1, timer_l;
-
- timer_h = ioread32be(&dev->iseg->internal_timer_h);
- ptp_read_system_prets(sts);
- timer_l = ioread32be(&dev->iseg->internal_timer_l);
- ptp_read_system_postts(sts);
- timer_h1 = ioread32be(&dev->iseg->internal_timer_h);
- if (timer_h != timer_h1) {
- /* wrap around */
- ptp_read_system_prets(sts);
- timer_l = ioread32be(&dev->iseg->internal_timer_l);
- ptp_read_system_postts(sts);
- }
-
- return (u64)timer_l | (u64)timer_h1 << 32;
+ return mlx5_cmd_exec_in(dev, disable_hca, in);
}
static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
{
- u32 query_in[MLX5_ST_SZ_DW(query_issi_in)] = {0};
- u32 query_out[MLX5_ST_SZ_DW(query_issi_out)] = {0};
+ u32 query_out[MLX5_ST_SZ_DW(query_issi_out)] = {};
+ u32 query_in[MLX5_ST_SZ_DW(query_issi_in)] = {};
u32 sup_issi;
int err;
MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI);
- err = mlx5_cmd_exec(dev, query_in, sizeof(query_in),
- query_out, sizeof(query_out));
+ err = mlx5_cmd_exec_inout(dev, query_issi, query_in, query_out);
if (err) {
u32 syndrome;
u8 status;
@@ -713,13 +705,11 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0);
if (sup_issi & (1 << 1)) {
- u32 set_in[MLX5_ST_SZ_DW(set_issi_in)] = {0};
- u32 set_out[MLX5_ST_SZ_DW(set_issi_out)] = {0};
+ u32 set_in[MLX5_ST_SZ_DW(set_issi_in)] = {};
MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI);
MLX5_SET(set_issi_in, set_in, current_issi, 1);
- err = mlx5_cmd_exec(dev, set_in, sizeof(set_in),
- set_out, sizeof(set_out));
+ err = mlx5_cmd_exec_in(dev, set_issi, set_in);
if (err) {
mlx5_core_err(dev, "Failed to set ISSI to 1 err(%d)\n",
err);
@@ -782,7 +772,7 @@ static int mlx5_pci_init(struct mlx5_core_dev *dev, struct pci_dev *pdev,
}
mlx5_pci_vsc_init(dev);
-
+ dev->caps.embedded_cpu = mlx5_read_embedded_cpu(dev);
return 0;
err_clr_master:
@@ -836,8 +826,6 @@ static int mlx5_init_once(struct mlx5_core_dev *dev)
mlx5_cq_debugfs_init(dev);
- mlx5_init_qp_table(dev);
-
mlx5_init_reserved_gids(dev);
mlx5_init_clock(dev);
@@ -896,7 +884,6 @@ err_rl_cleanup:
err_tables_cleanup:
mlx5_geneve_destroy(dev->geneve);
mlx5_vxlan_destroy(dev->vxlan);
- mlx5_cleanup_qp_table(dev);
mlx5_cq_debugfs_cleanup(dev);
mlx5_events_cleanup(dev);
err_eq_cleanup:
@@ -924,7 +911,6 @@ static void mlx5_cleanup_once(struct mlx5_core_dev *dev)
mlx5_vxlan_destroy(dev->vxlan);
mlx5_cleanup_clock(dev);
mlx5_cleanup_reserved_gids(dev);
- mlx5_cleanup_qp_table(dev);
mlx5_cq_debugfs_cleanup(dev);
mlx5_events_cleanup(dev);
mlx5_eq_table_cleanup(dev);
@@ -965,6 +951,8 @@ static int mlx5_function_setup(struct mlx5_core_dev *dev, bool boot)
goto err_cmd_cleanup;
}
+ mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_UP);
+
err = mlx5_core_enable_hca(dev, 0);
if (err) {
mlx5_core_err(dev, "enable hca failed\n");
@@ -1026,6 +1014,7 @@ reclaim_boot_pages:
err_disable_hca:
mlx5_core_disable_hca(dev, 0);
err_cmd_cleanup:
+ mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
mlx5_cmd_cleanup(dev);
return err;
@@ -1043,6 +1032,7 @@ static int mlx5_function_teardown(struct mlx5_core_dev *dev, bool boot)
}
mlx5_reclaim_startup_pages(dev);
mlx5_core_disable_hca(dev, 0);
+ mlx5_cmd_set_state(dev, MLX5_CMDIF_STATE_DOWN);
mlx5_cmd_cleanup(dev);
return 0;
@@ -1180,7 +1170,6 @@ int mlx5_load_one(struct mlx5_core_dev *dev, bool boot)
{
int err = 0;
- dev->caps.embedded_cpu = mlx5_read_embedded_cpu(dev);
mutex_lock(&dev->intf_state_mutex);
if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) {
mlx5_core_warn(dev, "interface is up, NOP\n");
@@ -1191,7 +1180,7 @@ int mlx5_load_one(struct mlx5_core_dev *dev, bool boot)
err = mlx5_function_setup(dev, boot);
if (err)
- goto out;
+ goto err_function;
if (boot) {
err = mlx5_init_once(dev);
@@ -1217,10 +1206,9 @@ int mlx5_load_one(struct mlx5_core_dev *dev, bool boot)
mlx5_register_device(dev);
set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state);
-out:
- mutex_unlock(&dev->intf_state_mutex);
- return err;
+ mutex_unlock(&dev->intf_state_mutex);
+ return 0;
err_devlink_reg:
mlx5_unload(dev);
@@ -1229,18 +1217,17 @@ err_load:
mlx5_cleanup_once(dev);
function_teardown:
mlx5_function_teardown(dev, boot);
+err_function:
dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR;
+out:
mutex_unlock(&dev->intf_state_mutex);
-
return err;
}
void mlx5_unload_one(struct mlx5_core_dev *dev, bool cleanup)
{
- if (cleanup) {
+ if (cleanup)
mlx5_unregister_device(dev);
- mlx5_drain_health_wq(dev);
- }
mutex_lock(&dev->intf_state_mutex);
if (!test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) {
@@ -1290,7 +1277,7 @@ static int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx)
mlx5_debugfs_root);
if (!priv->dbg_root) {
dev_err(dev->device, "mlx5_core: error, Cannot create debugfs dir, aborting\n");
- return -ENOMEM;
+ goto err_dbg_root;
}
err = mlx5_health_init(dev);
@@ -1307,15 +1294,27 @@ err_pagealloc_init:
mlx5_health_cleanup(dev);
err_health_init:
debugfs_remove(dev->priv.dbg_root);
-
+err_dbg_root:
+ mutex_destroy(&priv->pgdir_mutex);
+ mutex_destroy(&priv->alloc_mutex);
+ mutex_destroy(&priv->bfregs.wc_head.lock);
+ mutex_destroy(&priv->bfregs.reg_head.lock);
+ mutex_destroy(&dev->intf_state_mutex);
return err;
}
static void mlx5_mdev_uninit(struct mlx5_core_dev *dev)
{
+ struct mlx5_priv *priv = &dev->priv;
+
mlx5_pagealloc_cleanup(dev);
mlx5_health_cleanup(dev);
debugfs_remove_recursive(dev->priv.dbg_root);
+ mutex_destroy(&priv->pgdir_mutex);
+ mutex_destroy(&priv->alloc_mutex);
+ mutex_destroy(&priv->bfregs.wc_head.lock);
+ mutex_destroy(&priv->bfregs.reg_head.lock);
+ mutex_destroy(&dev->intf_state_mutex);
}
#define MLX5_IB_MOD "mlx5_ib"
@@ -1383,6 +1382,7 @@ static void remove_one(struct pci_dev *pdev)
mlx5_crdump_disable(dev);
mlx5_devlink_unregister(devlink);
+ mlx5_drain_health_wq(dev);
mlx5_unload_one(dev, true);
mlx5_pci_close(dev);
mlx5_mdev_uninit(dev);
@@ -1544,6 +1544,22 @@ static void shutdown(struct pci_dev *pdev)
mlx5_pci_disable_device(dev);
}
+static int mlx5_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
+
+ mlx5_unload_one(dev, false);
+
+ return 0;
+}
+
+static int mlx5_resume(struct pci_dev *pdev)
+{
+ struct mlx5_core_dev *dev = pci_get_drvdata(pdev);
+
+ return mlx5_load_one(dev, false);
+}
+
static const struct pci_device_id mlx5_core_pci_table[] = {
{ PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_CONNECTIB) },
{ PCI_VDEVICE(MELLANOX, 0x1012), MLX5_PCI_DEV_IS_VF}, /* Connect-IB VF */
@@ -1587,6 +1603,8 @@ static struct pci_driver mlx5_core_driver = {
.id_table = mlx5_core_pci_table,
.probe = init_one,
.remove = remove_one,
+ .suspend = mlx5_suspend,
+ .resume = mlx5_resume,
.shutdown = shutdown,
.err_handler = &mlx5_err_handler,
.sriov_configure = mlx5_core_sriov_configure,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mcg.c b/drivers/net/ethernet/mellanox/mlx5/core/mcg.c
index ba2b09cc192f..e019d68062d8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mcg.c
@@ -33,34 +33,31 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include <rdma/ib_verbs.h>
#include "mlx5_core.h"
int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
{
- u32 out[MLX5_ST_SZ_DW(attach_to_mcg_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(attach_to_mcg_in)] = {};
void *gid;
MLX5_SET(attach_to_mcg_in, in, opcode, MLX5_CMD_OP_ATTACH_TO_MCG);
MLX5_SET(attach_to_mcg_in, in, qpn, qpn);
gid = MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid);
memcpy(gid, mgid, sizeof(*mgid));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, attach_to_mcg, in);
}
EXPORT_SYMBOL(mlx5_core_attach_mcg);
int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn)
{
- u32 out[MLX5_ST_SZ_DW(detach_from_mcg_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(detach_from_mcg_in)] = {};
void *gid;
MLX5_SET(detach_from_mcg_in, in, opcode, MLX5_CMD_OP_DETACH_FROM_MCG);
MLX5_SET(detach_from_mcg_in, in, qpn, qpn);
gid = MLX5_ADDR_OF(detach_from_mcg_in, in, multicast_gid);
memcpy(gid, mgid, sizeof(*mgid));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, detach_from_mcg, in);
}
EXPORT_SYMBOL(mlx5_core_detach_mcg);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index a8fb43a85d1d..fc1649dac11b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -38,7 +38,6 @@
#include <linux/sched.h>
#include <linux/if_link.h>
#include <linux/firmware.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/mlx5/cq.h>
#include <linux/mlx5/fs.h>
#include <linux/mlx5/driver.h>
@@ -141,8 +140,6 @@ int mlx5_modify_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
u32 element_id);
int mlx5_wait_for_pages(struct mlx5_core_dev *dev, int *pages);
-u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev,
- struct ptp_system_timestamp *sts);
void mlx5_cmd_trigger_completions(struct mlx5_core_dev *dev);
void mlx5_cmd_flush(struct mlx5_core_dev *dev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
index 366f2cbfc6db..9eb51f06d3ae 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c
@@ -33,14 +33,13 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
int mlx5_core_create_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey,
u32 *in, int inlen)
{
- u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {0};
+ u32 lout[MLX5_ST_SZ_DW(create_mkey_out)] = {};
u32 mkey_index;
void *mkc;
int err;
@@ -66,19 +65,18 @@ EXPORT_SYMBOL(mlx5_core_create_mkey);
int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev,
struct mlx5_core_mkey *mkey)
{
- u32 out[MLX5_ST_SZ_DW(destroy_mkey_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_mkey_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_mkey_in)] = {};
MLX5_SET(destroy_mkey_in, in, opcode, MLX5_CMD_OP_DESTROY_MKEY);
MLX5_SET(destroy_mkey_in, in, mkey_index, mlx5_mkey_to_idx(mkey->key));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_mkey, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_mkey);
int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey,
u32 *out, int outlen)
{
- u32 in[MLX5_ST_SZ_DW(query_mkey_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_mkey_in)] = {};
memset(out, 0, outlen);
MLX5_SET(query_mkey_in, in, opcode, MLX5_CMD_OP_QUERY_MKEY);
@@ -100,8 +98,8 @@ static inline u32 mlx5_get_psv(u32 *out, int psv_index)
int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
int npsvs, u32 *sig_index)
{
- u32 out[MLX5_ST_SZ_DW(create_psv_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(create_psv_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_psv_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(create_psv_in)] = {};
int i, err;
if (npsvs > MLX5_MAX_PSVS)
@@ -111,7 +109,7 @@ int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn,
MLX5_SET(create_psv_in, in, pd, pdn);
MLX5_SET(create_psv_in, in, num_psv, npsvs);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, create_psv, in, out);
if (err)
return err;
@@ -124,11 +122,10 @@ EXPORT_SYMBOL(mlx5_core_create_psv);
int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num)
{
- u32 out[MLX5_ST_SZ_DW(destroy_psv_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(destroy_psv_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_psv_in)] = {};
MLX5_SET(destroy_psv_in, in, opcode, MLX5_CMD_OP_DESTROY_PSV);
MLX5_SET(destroy_psv_in, in, psvn, psv_num);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_psv, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_psv);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 91bd258ecf1b..5ddd18639a1e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -35,7 +35,6 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
#include "lib/eq.h"
@@ -51,6 +50,7 @@ struct mlx5_pages_req {
u8 ec_function;
s32 npages;
struct work_struct work;
+ u8 release_all;
};
struct fw_page {
@@ -136,8 +136,8 @@ static struct fw_page *find_fw_page(struct mlx5_core_dev *dev, u64 addr)
static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
s32 *npages, int boot)
{
- u32 out[MLX5_ST_SZ_DW(query_pages_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(query_pages_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(query_pages_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_pages_in)] = {};
int err;
MLX5_SET(query_pages_in, in, opcode, MLX5_CMD_OP_QUERY_PAGES);
@@ -146,7 +146,7 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
MLX5_QUERY_PAGES_IN_OP_MOD_INIT_PAGES);
MLX5_SET(query_pages_in, in, embedded_cpu_function, mlx5_core_is_ecpf(dev));
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, query_pages, in, out);
if (err)
return err;
@@ -156,15 +156,21 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
return err;
}
-static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr)
+static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr, u16 func_id)
{
- struct fw_page *fp;
+ struct fw_page *fp = NULL;
+ struct fw_page *iter;
unsigned n;
- if (list_empty(&dev->priv.free_list))
+ list_for_each_entry(iter, &dev->priv.free_list, list) {
+ if (iter->func_id != func_id)
+ continue;
+ fp = iter;
+ }
+
+ if (list_empty(&dev->priv.free_list) || !fp)
return -ENOMEM;
- fp = list_entry(dev->priv.free_list.next, struct fw_page, list);
n = find_first_bit(&fp->bitmask, 8 * sizeof(fp->bitmask));
if (n >= MLX5_NUM_4K_IN_PAGE) {
mlx5_core_warn(dev, "alloc 4k bug\n");
@@ -182,6 +188,18 @@ static int alloc_4k(struct mlx5_core_dev *dev, u64 *addr)
#define MLX5_U64_4K_PAGE_MASK ((~(u64)0U) << PAGE_SHIFT)
+static void free_fwp(struct mlx5_core_dev *dev, struct fw_page *fwp,
+ bool in_free_list)
+{
+ rb_erase(&fwp->rb_node, &dev->priv.page_root);
+ if (in_free_list)
+ list_del(&fwp->list);
+ dma_unmap_page(dev->device, fwp->addr & MLX5_U64_4K_PAGE_MASK,
+ PAGE_SIZE, DMA_BIDIRECTIONAL);
+ __free_page(fwp->page);
+ kfree(fwp);
+}
+
static void free_4k(struct mlx5_core_dev *dev, u64 addr)
{
struct fw_page *fwp;
@@ -189,24 +207,16 @@ static void free_4k(struct mlx5_core_dev *dev, u64 addr)
fwp = find_fw_page(dev, addr & MLX5_U64_4K_PAGE_MASK);
if (!fwp) {
- mlx5_core_warn(dev, "page not found\n");
+ mlx5_core_warn_rl(dev, "page not found\n");
return;
}
-
n = (addr & ~MLX5_U64_4K_PAGE_MASK) >> MLX5_ADAPTER_PAGE_SHIFT;
fwp->free_count++;
set_bit(n, &fwp->bitmask);
- if (fwp->free_count == MLX5_NUM_4K_IN_PAGE) {
- rb_erase(&fwp->rb_node, &dev->priv.page_root);
- if (fwp->free_count != 1)
- list_del(&fwp->list);
- dma_unmap_page(dev->device, addr & MLX5_U64_4K_PAGE_MASK,
- PAGE_SIZE, DMA_BIDIRECTIONAL);
- __free_page(fwp->page);
- kfree(fwp);
- } else if (fwp->free_count == 1) {
+ if (fwp->free_count == MLX5_NUM_4K_IN_PAGE)
+ free_fwp(dev, fwp, fwp->free_count != 1);
+ else if (fwp->free_count == 1)
list_add(&fwp->list, &dev->priv.free_list);
- }
}
static int alloc_system_page(struct mlx5_core_dev *dev, u16 func_id)
@@ -257,8 +267,7 @@ err_mapping:
static void page_notify_fail(struct mlx5_core_dev *dev, u16 func_id,
bool ec_function)
{
- u32 out[MLX5_ST_SZ_DW(manage_pages_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {};
int err;
MLX5_SET(manage_pages_in, in, opcode, MLX5_CMD_OP_MANAGE_PAGES);
@@ -266,7 +275,7 @@ static void page_notify_fail(struct mlx5_core_dev *dev, u16 func_id,
MLX5_SET(manage_pages_in, in, function_id, func_id);
MLX5_SET(manage_pages_in, in, embedded_cpu_function, ec_function);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_in(dev, manage_pages, in);
if (err)
mlx5_core_warn(dev, "page notify failed func_id(%d) err(%d)\n",
func_id, err);
@@ -292,7 +301,7 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
for (i = 0; i < npages; i++) {
retry:
- err = alloc_4k(dev, &addr);
+ err = alloc_4k(dev, &addr, func_id);
if (err) {
if (err == -ENOMEM)
err = alloc_system_page(dev, func_id);
@@ -339,6 +348,33 @@ out_free:
return err;
}
+static void release_all_pages(struct mlx5_core_dev *dev, u32 func_id,
+ bool ec_function)
+{
+ struct rb_node *p;
+ int npages = 0;
+
+ p = rb_first(&dev->priv.page_root);
+ while (p) {
+ struct fw_page *fwp = rb_entry(p, struct fw_page, rb_node);
+
+ p = rb_next(p);
+ if (fwp->func_id != func_id)
+ continue;
+ npages += (MLX5_NUM_4K_IN_PAGE - fwp->free_count);
+ free_fwp(dev, fwp, fwp->free_count);
+ }
+
+ dev->priv.fw_pages -= npages;
+ if (func_id)
+ dev->priv.vfs_pages -= npages;
+ else if (mlx5_core_is_ecpf(dev) && !ec_function)
+ dev->priv.peer_pf_pages -= npages;
+
+ mlx5_core_dbg(dev, "npages %d, ec_function %d, func_id 0x%x\n",
+ npages, ec_function, func_id);
+}
+
static int reclaim_pages_cmd(struct mlx5_core_dev *dev,
u32 *in, int in_size, u32 *out, int out_size)
{
@@ -374,7 +410,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
int *nclaimed, bool ec_function)
{
int outlen = MLX5_ST_SZ_BYTES(manage_pages_out);
- u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(manage_pages_in)] = {};
int num_claimed;
u32 *out;
int err;
@@ -432,7 +468,9 @@ static void pages_work_handler(struct work_struct *work)
struct mlx5_core_dev *dev = req->dev;
int err = 0;
- if (req->npages < 0)
+ if (req->release_all)
+ release_all_pages(dev, req->func_id, req->ec_function);
+ else if (req->npages < 0)
err = reclaim_pages(dev, req->func_id, -1 * req->npages, NULL,
req->ec_function);
else if (req->npages > 0)
@@ -447,6 +485,7 @@ static void pages_work_handler(struct work_struct *work)
enum {
EC_FUNCTION_MASK = 0x8000,
+ RELEASE_ALL_PAGES_MASK = 0x4000,
};
static int req_pages_handler(struct notifier_block *nb,
@@ -457,6 +496,7 @@ static int req_pages_handler(struct notifier_block *nb,
struct mlx5_priv *priv;
struct mlx5_eqe *eqe;
bool ec_function;
+ bool release_all;
u16 func_id;
s32 npages;
@@ -467,8 +507,10 @@ static int req_pages_handler(struct notifier_block *nb,
func_id = be16_to_cpu(eqe->data.req_pages.func_id);
npages = be32_to_cpu(eqe->data.req_pages.num_pages);
ec_function = be16_to_cpu(eqe->data.req_pages.ec_function) & EC_FUNCTION_MASK;
- mlx5_core_dbg(dev, "page request for func 0x%x, npages %d\n",
- func_id, npages);
+ release_all = be16_to_cpu(eqe->data.req_pages.ec_function) &
+ RELEASE_ALL_PAGES_MASK;
+ mlx5_core_dbg(dev, "page request for func 0x%x, npages %d, release_all %d\n",
+ func_id, npages, release_all);
req = kzalloc(sizeof(*req), GFP_ATOMIC);
if (!req) {
mlx5_core_warn(dev, "failed to allocate pages request\n");
@@ -479,6 +521,7 @@ static int req_pages_handler(struct notifier_block *nb,
req->func_id = func_id;
req->npages = npages;
req->ec_function = ec_function;
+ req->release_all = release_all;
INIT_WORK(&req->work, pages_work_handler);
queue_work(dev->priv.pg_wq, &req->work);
return NOTIFY_OK;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pd.c b/drivers/net/ethernet/mellanox/mlx5/core/pd.c
index bd830d8d6c5f..aabc53ad8bdd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pd.c
@@ -33,17 +33,16 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn)
{
- u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
int err;
MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, alloc_pd, in, out);
if (!err)
*pdn = MLX5_GET(alloc_pd_out, out, pd);
return err;
@@ -52,11 +51,10 @@ EXPORT_SYMBOL(mlx5_core_alloc_pd);
int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn)
{
- u32 out[MLX5_ST_SZ_DW(dealloc_pd_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};
MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
MLX5_SET(dealloc_pd_in, in, pd, pdn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, dealloc_pd, in);
}
EXPORT_SYMBOL(mlx5_core_dealloc_pd);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index cc262b30aed5..9f829e68fc73 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -763,24 +763,23 @@ EXPORT_SYMBOL_GPL(mlx5_query_port_ets_rate_limit);
int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode)
{
- u32 in[MLX5_ST_SZ_DW(set_wol_rol_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(set_wol_rol_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(set_wol_rol_in)] = {};
MLX5_SET(set_wol_rol_in, in, opcode, MLX5_CMD_OP_SET_WOL_ROL);
MLX5_SET(set_wol_rol_in, in, wol_mode_valid, 1);
MLX5_SET(set_wol_rol_in, in, wol_mode, wol_mode);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, set_wol_rol, in);
}
EXPORT_SYMBOL_GPL(mlx5_set_port_wol);
int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode)
{
- u32 in[MLX5_ST_SZ_DW(query_wol_rol_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(query_wol_rol_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(query_wol_rol_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_wol_rol_in)] = {};
int err;
MLX5_SET(query_wol_rol_in, in, opcode, MLX5_CMD_OP_QUERY_WOL_ROL);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, query_wol_rol, in, out);
if (!err)
*wol_mode = MLX5_GET(query_wol_rol_out, out, wol_mode);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rl.c b/drivers/net/ethernet/mellanox/mlx5/core/rl.c
index f3b29d9ade1f..99039c47ef33 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/rl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/rl.c
@@ -33,15 +33,14 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
/* Scheduling element fw management */
int mlx5_create_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
void *ctx, u32 *element_id)
{
- u32 in[MLX5_ST_SZ_DW(create_scheduling_element_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(create_scheduling_element_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_scheduling_element_in)] = {};
+ u32 in[MLX5_ST_SZ_DW(create_scheduling_element_in)] = {};
void *schedc;
int err;
@@ -53,7 +52,7 @@ int mlx5_create_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
hierarchy);
memcpy(schedc, ctx, MLX5_ST_SZ_BYTES(scheduling_context));
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, create_scheduling_element, in, out);
if (err)
return err;
@@ -66,8 +65,7 @@ int mlx5_modify_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
void *ctx, u32 element_id,
u32 modify_bitmask)
{
- u32 in[MLX5_ST_SZ_DW(modify_scheduling_element_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(modify_scheduling_element_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_scheduling_element_in)] = {};
void *schedc;
schedc = MLX5_ADDR_OF(modify_scheduling_element_in, in,
@@ -82,14 +80,13 @@ int mlx5_modify_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
hierarchy);
memcpy(schedc, ctx, MLX5_ST_SZ_BYTES(scheduling_context));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_scheduling_element, in);
}
int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
u32 element_id)
{
- u32 in[MLX5_ST_SZ_DW(destroy_scheduling_element_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_scheduling_element_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_scheduling_element_in)] = {};
MLX5_SET(destroy_scheduling_element_in, in, opcode,
MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT);
@@ -98,7 +95,7 @@ int mlx5_destroy_scheduling_element_cmd(struct mlx5_core_dev *dev, u8 hierarchy,
MLX5_SET(destroy_scheduling_element_in, in, scheduling_hierarchy,
hierarchy);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, destroy_scheduling_element, in);
}
static bool mlx5_rl_are_equal_raw(struct mlx5_rl_entry *entry, void *rl_in,
@@ -145,8 +142,7 @@ static struct mlx5_rl_entry *find_rl_entry(struct mlx5_rl_table *table,
static int mlx5_set_pp_rate_limit_cmd(struct mlx5_core_dev *dev,
struct mlx5_rl_entry *entry, bool set)
{
- u32 in[MLX5_ST_SZ_DW(set_pp_rate_limit_in)] = {};
- u32 out[MLX5_ST_SZ_DW(set_pp_rate_limit_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(set_pp_rate_limit_in)] = {};
void *pp_context;
pp_context = MLX5_ADDR_OF(set_pp_rate_limit_in, in, ctx);
@@ -156,7 +152,7 @@ static int mlx5_set_pp_rate_limit_cmd(struct mlx5_core_dev *dev,
MLX5_SET(set_pp_rate_limit_in, in, rate_limit_index, entry->index);
if (set)
memcpy(pp_context, entry->rl_raw, sizeof(entry->rl_raw));
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, set_pp_rate_limit, in);
}
bool mlx5_rl_is_in_range(struct mlx5_core_dev *dev, u32 rate)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index 554811de4c9d..df1363a34a42 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -1662,7 +1662,7 @@ dr_action_modify_check_field_limitation(struct mlx5dr_action *action,
}
static bool
-dr_action_modify_check_is_ttl_modify(const u64 *sw_action)
+dr_action_modify_check_is_ttl_modify(const void *sw_action)
{
u16 sw_field = MLX5_GET(set_action_in, sw_action, field);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
index 461b39376daf..6bd34b293007 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c
@@ -18,7 +18,7 @@ int mlx5dr_cmd_query_esw_vport_context(struct mlx5_core_dev *mdev,
MLX5_SET(query_esw_vport_context_in, in, other_vport, other_vport);
MLX5_SET(query_esw_vport_context_in, in, vport_number, vport_number);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, query_esw_vport_context, in, out);
if (err)
return err;
@@ -51,7 +51,7 @@ int mlx5dr_cmd_query_gvmi(struct mlx5_core_dev *mdev, bool other_vport,
MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE << 1 |
HCA_CAP_OPMOD_GET_CUR);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, out_size);
+ err = mlx5_cmd_exec_inout(mdev, query_hca_cap, in, out);
if (err) {
kfree(out);
return err;
@@ -141,7 +141,7 @@ int mlx5dr_cmd_query_flow_table(struct mlx5_core_dev *dev,
MLX5_SET(query_flow_table_in, in, table_type, type);
MLX5_SET(query_flow_table_in, in, table_id, table_id);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, query_flow_table, in, out);
if (err)
return err;
@@ -158,12 +158,11 @@ int mlx5dr_cmd_query_flow_table(struct mlx5_core_dev *dev,
int mlx5dr_cmd_sync_steering(struct mlx5_core_dev *mdev)
{
- u32 out[MLX5_ST_SZ_DW(sync_steering_out)] = {};
u32 in[MLX5_ST_SZ_DW(sync_steering_in)] = {};
MLX5_SET(sync_steering_in, in, opcode, MLX5_CMD_OP_SYNC_STEERING);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, sync_steering, in);
}
int mlx5dr_cmd_set_fte_modify_and_vport(struct mlx5_core_dev *mdev,
@@ -214,14 +213,13 @@ int mlx5dr_cmd_del_flow_table_entry(struct mlx5_core_dev *mdev,
u32 table_type,
u32 table_id)
{
- u32 out[MLX5_ST_SZ_DW(delete_fte_out)] = {};
u32 in[MLX5_ST_SZ_DW(delete_fte_in)] = {};
MLX5_SET(delete_fte_in, in, opcode, MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY);
MLX5_SET(delete_fte_in, in, table_type, table_type);
MLX5_SET(delete_fte_in, in, table_id, table_id);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, delete_fte, in);
}
int mlx5dr_cmd_alloc_modify_header(struct mlx5_core_dev *mdev,
@@ -263,7 +261,6 @@ out:
int mlx5dr_cmd_dealloc_modify_header(struct mlx5_core_dev *mdev,
u32 modify_header_id)
{
- u32 out[MLX5_ST_SZ_DW(dealloc_modify_header_context_out)] = {};
u32 in[MLX5_ST_SZ_DW(dealloc_modify_header_context_in)] = {};
MLX5_SET(dealloc_modify_header_context_in, in, opcode,
@@ -271,7 +268,7 @@ int mlx5dr_cmd_dealloc_modify_header(struct mlx5_core_dev *mdev,
MLX5_SET(dealloc_modify_header_context_in, in, modify_header_id,
modify_header_id);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, dealloc_modify_header_context, in);
}
int mlx5dr_cmd_create_empty_flow_group(struct mlx5_core_dev *mdev,
@@ -292,7 +289,7 @@ int mlx5dr_cmd_create_empty_flow_group(struct mlx5_core_dev *mdev,
MLX5_SET(create_flow_group_in, in, table_type, table_type);
MLX5_SET(create_flow_group_in, in, table_id, table_id);
- err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, create_flow_group, in, out);
if (err)
goto out;
@@ -309,14 +306,14 @@ int mlx5dr_cmd_destroy_flow_group(struct mlx5_core_dev *mdev,
u32 group_id)
{
u32 in[MLX5_ST_SZ_DW(destroy_flow_group_in)] = {};
- u32 out[MLX5_ST_SZ_DW(destroy_flow_group_out)] = {};
- MLX5_SET(create_flow_group_in, in, opcode, MLX5_CMD_OP_DESTROY_FLOW_GROUP);
+ MLX5_SET(destroy_flow_group_in, in, opcode,
+ MLX5_CMD_OP_DESTROY_FLOW_GROUP);
MLX5_SET(destroy_flow_group_in, in, table_type, table_type);
MLX5_SET(destroy_flow_group_in, in, table_id, table_id);
MLX5_SET(destroy_flow_group_in, in, group_id, group_id);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, destroy_flow_group, in);
}
int mlx5dr_cmd_create_flow_table(struct mlx5_core_dev *mdev,
@@ -360,7 +357,7 @@ int mlx5dr_cmd_create_flow_table(struct mlx5_core_dev *mdev,
MLX5_SET(create_flow_table_in, in, flow_table_context.reformat_en,
attr->reformat_en);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, create_flow_table, in, out);
if (err)
return err;
@@ -379,7 +376,6 @@ int mlx5dr_cmd_destroy_flow_table(struct mlx5_core_dev *mdev,
u32 table_id,
u32 table_type)
{
- u32 out[MLX5_ST_SZ_DW(destroy_flow_table_out)] = {};
u32 in[MLX5_ST_SZ_DW(destroy_flow_table_in)] = {};
MLX5_SET(destroy_flow_table_in, in, opcode,
@@ -387,7 +383,7 @@ int mlx5dr_cmd_destroy_flow_table(struct mlx5_core_dev *mdev,
MLX5_SET(destroy_flow_table_in, in, table_type, table_type);
MLX5_SET(destroy_flow_table_in, in, table_id, table_id);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, destroy_flow_table, in);
}
int mlx5dr_cmd_create_reformat_ctx(struct mlx5_core_dev *mdev,
@@ -434,7 +430,6 @@ int mlx5dr_cmd_create_reformat_ctx(struct mlx5_core_dev *mdev,
void mlx5dr_cmd_destroy_reformat_ctx(struct mlx5_core_dev *mdev,
u32 reformat_id)
{
- u32 out[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_out)] = {};
u32 in[MLX5_ST_SZ_DW(dealloc_packet_reformat_context_in)] = {};
MLX5_SET(dealloc_packet_reformat_context_in, in, opcode,
@@ -442,7 +437,7 @@ void mlx5dr_cmd_destroy_reformat_ctx(struct mlx5_core_dev *mdev,
MLX5_SET(dealloc_packet_reformat_context_in, in, packet_reformat_id,
reformat_id);
- mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(mdev, dealloc_packet_reformat_context, in);
}
int mlx5dr_cmd_query_gid(struct mlx5_core_dev *mdev, u8 vhca_port_num,
@@ -458,7 +453,7 @@ int mlx5dr_cmd_query_gid(struct mlx5_core_dev *mdev, u8 vhca_port_num,
MLX5_SET(query_roce_address_in, in, roce_address_index, index);
MLX5_SET(query_roce_address_in, in, vhca_port_num, vhca_port_num);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, query_roce_address, in, out);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
index 48b6358b6845..890767a2a7cb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c
@@ -297,7 +297,8 @@ mlx5dr_domain_create(struct mlx5_core_dev *mdev, enum mlx5dr_domain_type type)
dmn->mdev = mdev;
dmn->type = type;
refcount_set(&dmn->refcount, 1);
- mutex_init(&dmn->mutex);
+ mutex_init(&dmn->info.rx.mutex);
+ mutex_init(&dmn->info.tx.mutex);
if (dr_domain_caps_init(mdev, dmn)) {
mlx5dr_err(dmn, "Failed init domain, no caps\n");
@@ -345,9 +346,9 @@ int mlx5dr_domain_sync(struct mlx5dr_domain *dmn, u32 flags)
int ret = 0;
if (flags & MLX5DR_DOMAIN_SYNC_FLAGS_SW) {
- mutex_lock(&dmn->mutex);
+ mlx5dr_domain_lock(dmn);
ret = mlx5dr_send_ring_force_drain(dmn);
- mutex_unlock(&dmn->mutex);
+ mlx5dr_domain_unlock(dmn);
if (ret) {
mlx5dr_err(dmn, "Force drain failed flags: %d, ret: %d\n",
flags, ret);
@@ -371,7 +372,8 @@ int mlx5dr_domain_destroy(struct mlx5dr_domain *dmn)
dr_domain_uninit_cache(dmn);
dr_domain_uninit_resources(dmn);
dr_domain_caps_uninit(dmn);
- mutex_destroy(&dmn->mutex);
+ mutex_destroy(&dmn->info.tx.mutex);
+ mutex_destroy(&dmn->info.rx.mutex);
kfree(dmn);
return 0;
}
@@ -379,7 +381,7 @@ int mlx5dr_domain_destroy(struct mlx5dr_domain *dmn)
void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
struct mlx5dr_domain *peer_dmn)
{
- mutex_lock(&dmn->mutex);
+ mlx5dr_domain_lock(dmn);
if (dmn->peer_dmn)
refcount_dec(&dmn->peer_dmn->refcount);
@@ -389,5 +391,5 @@ void mlx5dr_domain_set_peer(struct mlx5dr_domain *dmn,
if (dmn->peer_dmn)
refcount_inc(&dmn->peer_dmn->refcount);
- mutex_unlock(&dmn->mutex);
+ mlx5dr_domain_unlock(dmn);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c
index 30d2d7376f56..cc33515b9aba 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_icm_pool.c
@@ -95,13 +95,12 @@ static int dr_icm_create_dm_mkey(struct mlx5_core_dev *mdev,
}
static struct mlx5dr_icm_mr *
-dr_icm_pool_mr_create(struct mlx5dr_icm_pool *pool,
- enum mlx5_sw_icm_type type,
- size_t align_base)
+dr_icm_pool_mr_create(struct mlx5dr_icm_pool *pool)
{
struct mlx5_core_dev *mdev = pool->dmn->mdev;
+ enum mlx5_sw_icm_type dm_type;
struct mlx5dr_icm_mr *icm_mr;
- size_t align_diff;
+ size_t log_align_base;
int err;
icm_mr = kvzalloc(sizeof(*icm_mr), GFP_KERNEL);
@@ -111,14 +110,22 @@ dr_icm_pool_mr_create(struct mlx5dr_icm_pool *pool,
icm_mr->pool = pool;
INIT_LIST_HEAD(&icm_mr->mr_list);
- icm_mr->dm.type = type;
-
- /* 2^log_biggest_table * entry-size * double-for-alignment */
icm_mr->dm.length = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
- pool->icm_type) * 2;
+ pool->icm_type);
+
+ if (pool->icm_type == DR_ICM_TYPE_STE) {
+ dm_type = MLX5_SW_ICM_TYPE_STEERING;
+ log_align_base = ilog2(icm_mr->dm.length);
+ } else {
+ dm_type = MLX5_SW_ICM_TYPE_HEADER_MODIFY;
+ /* Align base is 64B */
+ log_align_base = ilog2(DR_ICM_MODIFY_HDR_ALIGN_BASE);
+ }
+ icm_mr->dm.type = dm_type;
- err = mlx5_dm_sw_icm_alloc(mdev, icm_mr->dm.type, icm_mr->dm.length, 0,
- &icm_mr->dm.addr, &icm_mr->dm.obj_id);
+ err = mlx5_dm_sw_icm_alloc(mdev, icm_mr->dm.type, icm_mr->dm.length,
+ log_align_base, 0, &icm_mr->dm.addr,
+ &icm_mr->dm.obj_id);
if (err) {
mlx5dr_err(pool->dmn, "Failed to allocate SW ICM memory, err (%d)\n", err);
goto free_icm_mr;
@@ -137,15 +144,18 @@ dr_icm_pool_mr_create(struct mlx5dr_icm_pool *pool,
icm_mr->icm_start_addr = icm_mr->dm.addr;
- /* align_base is always a power of 2 */
- align_diff = icm_mr->icm_start_addr & (align_base - 1);
- if (align_diff)
- icm_mr->used_length = align_base - align_diff;
+ if (icm_mr->icm_start_addr & (BIT(log_align_base) - 1)) {
+ mlx5dr_err(pool->dmn, "Failed to get Aligned ICM mem (asked: %zu)\n",
+ log_align_base);
+ goto free_mkey;
+ }
list_add_tail(&icm_mr->mr_list, &pool->icm_mr_list);
return icm_mr;
+free_mkey:
+ mlx5_core_destroy_mkey(mdev, &icm_mr->mkey);
free_dm:
mlx5_dm_sw_icm_dealloc(mdev, icm_mr->dm.type, icm_mr->dm.length, 0,
icm_mr->dm.addr, icm_mr->dm.obj_id);
@@ -200,24 +210,11 @@ static int dr_icm_chunks_create(struct mlx5dr_icm_bucket *bucket)
struct mlx5dr_icm_pool *pool = bucket->pool;
struct mlx5dr_icm_mr *icm_mr = NULL;
struct mlx5dr_icm_chunk *chunk;
- enum mlx5_sw_icm_type dm_type;
- size_t align_base;
int i, err = 0;
mr_req_size = bucket->num_of_entries * bucket->entry_size;
mr_row_size = mlx5dr_icm_pool_chunk_size_to_byte(pool->max_log_chunk_sz,
pool->icm_type);
-
- if (pool->icm_type == DR_ICM_TYPE_STE) {
- dm_type = MLX5_SW_ICM_TYPE_STEERING;
- /* Align base is the biggest chunk size / row size */
- align_base = mr_row_size;
- } else {
- dm_type = MLX5_SW_ICM_TYPE_HEADER_MODIFY;
- /* Align base is 64B */
- align_base = DR_ICM_MODIFY_HDR_ALIGN_BASE;
- }
-
mutex_lock(&pool->mr_mutex);
if (!list_empty(&pool->icm_mr_list)) {
icm_mr = list_last_entry(&pool->icm_mr_list,
@@ -228,7 +225,7 @@ static int dr_icm_chunks_create(struct mlx5dr_icm_bucket *bucket)
}
if (!icm_mr || mr_free_size < mr_row_size) {
- icm_mr = dr_icm_pool_mr_create(pool, dm_type, align_base);
+ icm_mr = dr_icm_pool_mr_create(pool);
if (!icm_mr) {
err = -ENOMEM;
goto out_err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
index a95938874798..31abcbb95ca2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -690,7 +690,7 @@ mlx5dr_matcher_create(struct mlx5dr_table *tbl,
refcount_set(&matcher->refcount, 1);
INIT_LIST_HEAD(&matcher->matcher_list);
- mutex_lock(&tbl->dmn->mutex);
+ mlx5dr_domain_lock(tbl->dmn);
ret = dr_matcher_init(matcher, mask);
if (ret)
@@ -700,14 +700,14 @@ mlx5dr_matcher_create(struct mlx5dr_table *tbl,
if (ret)
goto matcher_uninit;
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
return matcher;
matcher_uninit:
dr_matcher_uninit(matcher);
free_matcher:
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
kfree(matcher);
dec_ref:
refcount_dec(&tbl->refcount);
@@ -791,13 +791,13 @@ int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher)
if (refcount_read(&matcher->refcount) > 1)
return -EBUSY;
- mutex_lock(&tbl->dmn->mutex);
+ mlx5dr_domain_lock(tbl->dmn);
dr_matcher_remove_from_tbl(matcher);
dr_matcher_uninit(matcher);
refcount_dec(&matcher->tbl->refcount);
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
kfree(matcher);
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
index cce3ee7a6614..cd708dcc2e3a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_rule.c
@@ -938,7 +938,10 @@ static bool dr_rule_verify(struct mlx5dr_matcher *matcher,
static int dr_rule_destroy_rule_nic(struct mlx5dr_rule *rule,
struct mlx5dr_rule_rx_tx *nic_rule)
{
+ mlx5dr_domain_nic_lock(nic_rule->nic_matcher->nic_tbl->nic_dmn);
dr_rule_clean_rule_members(rule, nic_rule);
+ mlx5dr_domain_nic_unlock(nic_rule->nic_matcher->nic_tbl->nic_dmn);
+
return 0;
}
@@ -1039,18 +1042,18 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule,
if (dr_rule_skip(dmn->type, nic_dmn->ste_type, &matcher->mask, param))
return 0;
+ hw_ste_arr = kzalloc(DR_RULE_MAX_STE_CHAIN * DR_STE_SIZE, GFP_KERNEL);
+ if (!hw_ste_arr)
+ return -ENOMEM;
+
+ mlx5dr_domain_nic_lock(nic_dmn);
+
ret = mlx5dr_matcher_select_builders(matcher,
nic_matcher,
dr_rule_get_ipv(&param->outer),
dr_rule_get_ipv(&param->inner));
if (ret)
- goto out_err;
-
- hw_ste_arr = kzalloc(DR_RULE_MAX_STE_CHAIN * DR_STE_SIZE, GFP_KERNEL);
- if (!hw_ste_arr) {
- ret = -ENOMEM;
- goto out_err;
- }
+ goto free_hw_ste;
/* Set the tag values inside the ste array */
ret = mlx5dr_ste_build_ste_arr(matcher, nic_matcher, param, hw_ste_arr);
@@ -1115,6 +1118,8 @@ dr_rule_create_rule_nic(struct mlx5dr_rule *rule,
if (htbl)
mlx5dr_htbl_put(htbl);
+ mlx5dr_domain_nic_unlock(nic_dmn);
+
kfree(hw_ste_arr);
return 0;
@@ -1129,8 +1134,8 @@ free_rule:
kfree(ste_info);
}
free_hw_ste:
+ mlx5dr_domain_nic_unlock(nic_dmn);
kfree(hw_ste_arr);
-out_err:
return ret;
}
@@ -1232,31 +1237,23 @@ struct mlx5dr_rule *mlx5dr_rule_create(struct mlx5dr_matcher *matcher,
{
struct mlx5dr_rule *rule;
- mutex_lock(&matcher->tbl->dmn->mutex);
refcount_inc(&matcher->refcount);
rule = dr_rule_create_rule(matcher, value, num_actions, actions);
if (!rule)
refcount_dec(&matcher->refcount);
- mutex_unlock(&matcher->tbl->dmn->mutex);
-
return rule;
}
int mlx5dr_rule_destroy(struct mlx5dr_rule *rule)
{
struct mlx5dr_matcher *matcher = rule->matcher;
- struct mlx5dr_table *tbl = rule->matcher->tbl;
int ret;
- mutex_lock(&tbl->dmn->mutex);
-
ret = dr_rule_destroy_rule(rule);
-
- mutex_unlock(&tbl->dmn->mutex);
-
if (!ret)
refcount_dec(&matcher->refcount);
+
return ret;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index c0ab9cf74929..f421013b0b54 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -100,14 +100,10 @@ static int dr_poll_cq(struct mlx5dr_cq *dr_cq, int ne)
return err == CQ_POLL_ERR ? err : npolled;
}
-static void dr_qp_event(struct mlx5_core_qp *mqp, int event)
-{
- pr_info("DR QP event %u on QP #%u\n", event, mqp->qpn);
-}
-
static struct mlx5dr_qp *dr_create_rc_qp(struct mlx5_core_dev *mdev,
struct dr_qp_init_attr *attr)
{
+ u32 out[MLX5_ST_SZ_DW(create_qp_out)] = {};
u32 temp_qpc[MLX5_ST_SZ_DW(qpc)] = {};
struct mlx5_wq_param wqp;
struct mlx5dr_qp *dr_qp;
@@ -180,14 +176,12 @@ static struct mlx5dr_qp *dr_create_rc_qp(struct mlx5_core_dev *mdev,
(__be64 *)MLX5_ADDR_OF(create_qp_in,
in, pas));
- err = mlx5_core_create_qp(mdev, &dr_qp->mqp, in, inlen);
+ MLX5_SET(create_qp_in, in, opcode, MLX5_CMD_OP_CREATE_QP);
+ err = mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
+ dr_qp->qpn = MLX5_GET(create_qp_out, out, qpn);
kfree(in);
-
- if (err) {
- mlx5_core_warn(mdev, " Can't create QP\n");
+ if (err)
goto err_in;
- }
- dr_qp->mqp.event = dr_qp_event;
dr_qp->uar = attr->uar;
return dr_qp;
@@ -204,7 +198,12 @@ err_wq:
static void dr_destroy_qp(struct mlx5_core_dev *mdev,
struct mlx5dr_qp *dr_qp)
{
- mlx5_core_destroy_qp(mdev, &dr_qp->mqp);
+ u32 in[MLX5_ST_SZ_DW(destroy_qp_in)] = {};
+
+ MLX5_SET(destroy_qp_in, in, opcode, MLX5_CMD_OP_DESTROY_QP);
+ MLX5_SET(destroy_qp_in, in, qpn, dr_qp->qpn);
+ mlx5_cmd_exec_in(mdev, destroy_qp, in);
+
kfree(dr_qp->sq.wqe_head);
mlx5_wq_destroy(&dr_qp->wq_ctrl);
kfree(dr_qp);
@@ -242,7 +241,7 @@ static void dr_rdma_segments(struct mlx5dr_qp *dr_qp, u64 remote_addr,
MLX5_WQE_CTRL_CQ_UPDATE : 0;
wq_ctrl->opmod_idx_opcode = cpu_to_be32(((dr_qp->sq.pc & 0xffff) << 8) |
opcode);
- wq_ctrl->qpn_ds = cpu_to_be32(size | dr_qp->mqp.qpn << 8);
+ wq_ctrl->qpn_ds = cpu_to_be32(size | dr_qp->qpn << 8);
wq_raddr = (void *)(wq_ctrl + 1);
wq_raddr->raddr = cpu_to_be64(remote_addr);
wq_raddr->rkey = cpu_to_be32(rkey);
@@ -358,9 +357,11 @@ static int dr_postsend_icm_data(struct mlx5dr_domain *dmn,
u32 buff_offset;
int ret;
+ spin_lock(&send_ring->lock);
+
ret = dr_handle_pending_wc(dmn, send_ring);
if (ret)
- return ret;
+ goto out_unlock;
if (send_info->write.length > dmn->info.max_inline_size) {
buff_offset = (send_ring->tx_head &
@@ -378,7 +379,9 @@ static int dr_postsend_icm_data(struct mlx5dr_domain *dmn,
dr_fill_data_segs(send_ring, send_info);
dr_post_send(send_ring->qp, send_info);
- return 0;
+out_unlock:
+ spin_unlock(&send_ring->lock);
+ return ret;
}
static int dr_get_tbl_copy_details(struct mlx5dr_domain *dmn,
@@ -564,9 +567,7 @@ int mlx5dr_send_postsend_action(struct mlx5dr_domain *dmn,
send_info.remote_addr = action->rewrite.chunk->mr_addr;
send_info.rkey = action->rewrite.chunk->rkey;
- mutex_lock(&dmn->mutex);
ret = dr_postsend_icm_data(dmn, &send_info);
- mutex_unlock(&dmn->mutex);
return ret;
}
@@ -585,8 +586,10 @@ static int dr_modify_qp_rst2init(struct mlx5_core_dev *mdev,
MLX5_SET(qpc, qpc, rre, 1);
MLX5_SET(qpc, qpc, rwe, 1);
- return mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RST2INIT_QP, 0, qpc,
- &dr_qp->mqp);
+ MLX5_SET(rst2init_qp_in, in, opcode, MLX5_CMD_OP_RST2INIT_QP);
+ MLX5_SET(rst2init_qp_in, in, qpn, dr_qp->qpn);
+
+ return mlx5_cmd_exec_in(mdev, rst2init_qp, in);
}
static int dr_cmd_modify_qp_rtr2rts(struct mlx5_core_dev *mdev,
@@ -598,14 +601,15 @@ static int dr_cmd_modify_qp_rtr2rts(struct mlx5_core_dev *mdev,
qpc = MLX5_ADDR_OF(rtr2rts_qp_in, in, qpc);
- MLX5_SET(rtr2rts_qp_in, in, qpn, dr_qp->mqp.qpn);
+ MLX5_SET(rtr2rts_qp_in, in, qpn, dr_qp->qpn);
- MLX5_SET(qpc, qpc, log_ack_req_freq, 0);
MLX5_SET(qpc, qpc, retry_count, attr->retry_cnt);
MLX5_SET(qpc, qpc, rnr_retry, attr->rnr_retry);
- return mlx5_core_qp_modify(mdev, MLX5_CMD_OP_RTR2RTS_QP, 0, qpc,
- &dr_qp->mqp);
+ MLX5_SET(rtr2rts_qp_in, in, opcode, MLX5_CMD_OP_RTR2RTS_QP);
+ MLX5_SET(rtr2rts_qp_in, in, qpn, dr_qp->qpn);
+
+ return mlx5_cmd_exec_in(mdev, rtr2rts_qp, in);
}
static int dr_cmd_modify_qp_init2rtr(struct mlx5_core_dev *mdev,
@@ -617,7 +621,7 @@ static int dr_cmd_modify_qp_init2rtr(struct mlx5_core_dev *mdev,
qpc = MLX5_ADDR_OF(init2rtr_qp_in, in, qpc);
- MLX5_SET(init2rtr_qp_in, in, qpn, dr_qp->mqp.qpn);
+ MLX5_SET(init2rtr_qp_in, in, qpn, dr_qp->qpn);
MLX5_SET(qpc, qpc, mtu, attr->mtu);
MLX5_SET(qpc, qpc, log_msg_max, DR_CHUNK_SIZE_MAX - 1);
@@ -636,8 +640,10 @@ static int dr_cmd_modify_qp_init2rtr(struct mlx5_core_dev *mdev,
MLX5_SET(qpc, qpc, primary_address_path.vhca_port_num, attr->port_num);
MLX5_SET(qpc, qpc, min_rnr_nak, 1);
- return mlx5_core_qp_modify(mdev, MLX5_CMD_OP_INIT2RTR_QP, 0, qpc,
- &dr_qp->mqp);
+ MLX5_SET(init2rtr_qp_in, in, opcode, MLX5_CMD_OP_INIT2RTR_QP);
+ MLX5_SET(init2rtr_qp_in, in, qpn, dr_qp->qpn);
+
+ return mlx5_cmd_exec_in(mdev, init2rtr_qp, in);
}
static int dr_prepare_qp_to_rts(struct mlx5dr_domain *dmn)
@@ -663,7 +669,7 @@ static int dr_prepare_qp_to_rts(struct mlx5dr_domain *dmn)
return ret;
rtr_attr.mtu = mtu;
- rtr_attr.qp_num = dr_qp->mqp.qpn;
+ rtr_attr.qp_num = dr_qp->qpn;
rtr_attr.min_rnr_timer = 12;
rtr_attr.port_num = port;
rtr_attr.sgid_index = gid_index;
@@ -689,10 +695,10 @@ static int dr_prepare_qp_to_rts(struct mlx5dr_domain *dmn)
return 0;
}
-static void dr_cq_event(struct mlx5_core_cq *mcq,
- enum mlx5_event event)
+static void dr_cq_complete(struct mlx5_core_cq *mcq,
+ struct mlx5_eqe *eqe)
{
- pr_info("CQ event %u on CQ #%u\n", event, mcq->cqn);
+ pr_err("CQ completion CQ: #%u\n", mcq->cqn);
}
static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
@@ -755,7 +761,7 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
pas = (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas);
mlx5_fill_page_frag_array(&cq->wq_ctrl.buf, pas);
- cq->mcq.event = dr_cq_event;
+ cq->mcq.comp = dr_cq_complete;
err = mlx5_core_create_cq(mdev, &cq->mcq, in, inlen, out, sizeof(out));
kvfree(in);
@@ -767,7 +773,12 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
cq->mcq.set_ci_db = cq->wq_ctrl.db.db;
cq->mcq.arm_db = cq->wq_ctrl.db.db + 1;
*cq->mcq.set_ci_db = 0;
- *cq->mcq.arm_db = 0;
+
+ /* set no-zero value, in order to avoid the HW to run db-recovery on
+ * CQ that used in polling mode.
+ */
+ *cq->mcq.arm_db = cpu_to_be32(2 << 28);
+
cq->mcq.vector = 0;
cq->mcq.irqn = irqn;
cq->mcq.uar = uar;
@@ -877,6 +888,7 @@ int mlx5dr_send_ring_alloc(struct mlx5dr_domain *dmn)
init_attr.pdn = dmn->pdn;
init_attr.uar = dmn->uar;
init_attr.max_send_wr = QUEUE_SIZE;
+ spin_lock_init(&dmn->send_ring->lock);
dmn->send_ring->qp = dr_create_rc_qp(dmn->mdev, &init_attr);
if (!dmn->send_ring->qp) {
@@ -981,7 +993,9 @@ int mlx5dr_send_ring_force_drain(struct mlx5dr_domain *dmn)
return ret;
}
+ spin_lock(&send_ring->lock);
ret = dr_handle_pending_wc(dmn, send_ring);
+ spin_unlock(&send_ring->lock);
return ret;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
index c0e3a1e7389d..00c2f598f034 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_ste.c
@@ -112,7 +112,7 @@ static u32 dr_ste_crc32_calc(const void *input_data, size_t length)
{
u32 crc = crc32(0, input_data, length);
- return htonl(crc);
+ return (__force u32)htonl(crc);
}
u32 mlx5dr_ste_calc_hash_index(u8 *hw_ste_p, struct mlx5dr_ste_htbl *htbl)
@@ -869,7 +869,7 @@ static void dr_ste_copy_mask_misc(char *mask, struct mlx5dr_match_misc *spec)
static void dr_ste_copy_mask_spec(char *mask, struct mlx5dr_match_spec *spec)
{
- u32 raw_ip[4];
+ __be32 raw_ip[4];
spec->smac_47_16 = MLX5_GET(fte_match_set_lyr_2_4, mask, smac_47_16);
@@ -961,7 +961,6 @@ static void dr_ste_copy_mask_misc2(char *mask, struct mlx5dr_match_misc2 *spec)
spec->metadata_reg_c_1 = MLX5_GET(fte_match_set_misc2, mask, metadata_reg_c_1);
spec->metadata_reg_c_0 = MLX5_GET(fte_match_set_misc2, mask, metadata_reg_c_0);
spec->metadata_reg_a = MLX5_GET(fte_match_set_misc2, mask, metadata_reg_a);
- spec->metadata_reg_b = MLX5_GET(fte_match_set_misc2, mask, metadata_reg_b);
}
static void dr_ste_copy_mask_misc3(char *mask, struct mlx5dr_match_misc3 *spec)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
index c2fe48d7b75a..b599b6beb5b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c
@@ -14,7 +14,7 @@ int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
if (action && action->action_type != DR_ACTION_TYP_FT)
return -EOPNOTSUPP;
- mutex_lock(&tbl->dmn->mutex);
+ mlx5dr_domain_lock(tbl->dmn);
if (!list_empty(&tbl->matcher_list))
last_matcher = list_last_entry(&tbl->matcher_list,
@@ -78,7 +78,7 @@ int mlx5dr_table_set_miss_action(struct mlx5dr_table *tbl,
refcount_inc(&action->refcount);
out:
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
return ret;
}
@@ -95,7 +95,7 @@ static void dr_table_uninit_fdb(struct mlx5dr_table *tbl)
static void dr_table_uninit(struct mlx5dr_table *tbl)
{
- mutex_lock(&tbl->dmn->mutex);
+ mlx5dr_domain_lock(tbl->dmn);
switch (tbl->dmn->type) {
case MLX5DR_DOMAIN_TYPE_NIC_RX:
@@ -112,7 +112,7 @@ static void dr_table_uninit(struct mlx5dr_table *tbl)
break;
}
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
}
static int dr_table_init_nic(struct mlx5dr_domain *dmn,
@@ -177,7 +177,7 @@ static int dr_table_init(struct mlx5dr_table *tbl)
INIT_LIST_HEAD(&tbl->matcher_list);
- mutex_lock(&tbl->dmn->mutex);
+ mlx5dr_domain_lock(tbl->dmn);
switch (tbl->dmn->type) {
case MLX5DR_DOMAIN_TYPE_NIC_RX:
@@ -201,7 +201,7 @@ static int dr_table_init(struct mlx5dr_table *tbl)
break;
}
- mutex_unlock(&tbl->dmn->mutex);
+ mlx5dr_domain_unlock(tbl->dmn);
return ret;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
index 3fa739951b34..0883956c58c0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h
@@ -554,8 +554,7 @@ struct mlx5dr_match_misc2 {
u32 metadata_reg_c_1; /* metadata_reg_c_1 */
u32 metadata_reg_c_0; /* metadata_reg_c_0 */
u32 metadata_reg_a; /* metadata_reg_a */
- u32 metadata_reg_b; /* metadata_reg_b */
- u8 reserved_auto2[8];
+ u8 reserved_auto2[12];
};
struct mlx5dr_match_misc3 {
@@ -636,6 +635,7 @@ struct mlx5dr_domain_rx_tx {
u64 drop_icm_addr;
u64 default_icm_addr;
enum mlx5dr_ste_entry_type ste_type;
+ struct mutex mutex; /* protect rx/tx domain */
};
struct mlx5dr_domain_info {
@@ -660,7 +660,6 @@ struct mlx5dr_domain {
struct mlx5_uars_page *uar;
enum mlx5dr_domain_type type;
refcount_t refcount;
- struct mutex mutex; /* protect domain */
struct mlx5dr_icm_pool *ste_icm_pool;
struct mlx5dr_icm_pool *action_icm_pool;
struct mlx5dr_send_ring *send_ring;
@@ -814,6 +813,28 @@ struct mlx5dr_icm_chunk {
struct list_head *miss_list;
};
+static inline void mlx5dr_domain_nic_lock(struct mlx5dr_domain_rx_tx *nic_dmn)
+{
+ mutex_lock(&nic_dmn->mutex);
+}
+
+static inline void mlx5dr_domain_nic_unlock(struct mlx5dr_domain_rx_tx *nic_dmn)
+{
+ mutex_unlock(&nic_dmn->mutex);
+}
+
+static inline void mlx5dr_domain_lock(struct mlx5dr_domain *dmn)
+{
+ mlx5dr_domain_nic_lock(&dmn->info.rx);
+ mlx5dr_domain_nic_lock(&dmn->info.tx);
+}
+
+static inline void mlx5dr_domain_unlock(struct mlx5dr_domain *dmn)
+{
+ mlx5dr_domain_nic_unlock(&dmn->info.tx);
+ mlx5dr_domain_nic_unlock(&dmn->info.rx);
+}
+
static inline int
mlx5dr_matcher_supp_flex_parser_icmp_v4(struct mlx5dr_cmd_caps *caps)
{
@@ -990,7 +1011,7 @@ struct mlx5dr_qp {
struct mlx5_wq_qp wq;
struct mlx5_uars_page *uar;
struct mlx5_wq_ctrl wq_ctrl;
- struct mlx5_core_qp mqp;
+ u32 qpn;
struct {
unsigned int pc;
unsigned int cc;
@@ -1043,6 +1064,7 @@ struct mlx5dr_send_ring {
struct ib_wc wc[MAX_SEND_CQE];
u8 sync_buff[MIN_READ_SYNC];
struct mlx5dr_mr *sync_mr;
+ spinlock_t lock; /* Protect the data path of the send ring */
};
int mlx5dr_send_ring_alloc(struct mlx5dr_domain *dmn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
index 3b3f5b9d4f95..8887b2440c7d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
@@ -576,7 +576,7 @@ static int mlx5_cmd_dr_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
struct mlx5dr_action *action;
size_t actions_sz;
- actions_sz = MLX5_UN_SZ_BYTES(set_action_in_add_action_in_auto) *
+ actions_sz = MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto) *
num_actions;
action = mlx5dr_action_create_modify_header(dr_domain, 0,
actions_sz,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
index b1068500f1df..01cc00ad8acf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c
@@ -36,14 +36,14 @@
int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn)
{
- u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_transport_domain_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_transport_domain_in)] = {};
int err;
MLX5_SET(alloc_transport_domain_in, in, opcode,
MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, alloc_transport_domain, in, out);
if (!err)
*tdn = MLX5_GET(alloc_transport_domain_out, out,
transport_domain);
@@ -54,19 +54,18 @@ EXPORT_SYMBOL(mlx5_core_alloc_transport_domain);
void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn)
{
- u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(dealloc_transport_domain_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(dealloc_transport_domain_in)] = {};
MLX5_SET(dealloc_transport_domain_in, in, opcode,
MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN);
MLX5_SET(dealloc_transport_domain_in, in, transport_domain, tdn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, dealloc_transport_domain, in);
}
EXPORT_SYMBOL(mlx5_core_dealloc_transport_domain);
int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
{
- u32 out[MLX5_ST_SZ_DW(create_rq_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_rq_out)] = {};
int err;
MLX5_SET(create_rq_in, in, opcode, MLX5_CMD_OP_CREATE_RQ);
@@ -78,44 +77,39 @@ int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *rqn)
}
EXPORT_SYMBOL(mlx5_core_create_rq);
-int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen)
+int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in)
{
- u32 out[MLX5_ST_SZ_DW(modify_rq_out)];
-
MLX5_SET(modify_rq_in, in, rqn, rqn);
MLX5_SET(modify_rq_in, in, opcode, MLX5_CMD_OP_MODIFY_RQ);
- memset(out, 0, sizeof(out));
- return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_rq, in);
}
EXPORT_SYMBOL(mlx5_core_modify_rq);
void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn)
{
- u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_rq_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_rq_in)] = {};
MLX5_SET(destroy_rq_in, in, opcode, MLX5_CMD_OP_DESTROY_RQ);
MLX5_SET(destroy_rq_in, in, rqn, rqn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, destroy_rq, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_rq);
int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out)
{
- u32 in[MLX5_ST_SZ_DW(query_rq_in)] = {0};
- int outlen = MLX5_ST_SZ_BYTES(query_rq_out);
+ u32 in[MLX5_ST_SZ_DW(query_rq_in)] = {};
MLX5_SET(query_rq_in, in, opcode, MLX5_CMD_OP_QUERY_RQ);
MLX5_SET(query_rq_in, in, rqn, rqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ return mlx5_cmd_exec_inout(dev, query_rq, in, out);
}
EXPORT_SYMBOL(mlx5_core_query_rq);
int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
{
- u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_sq_out)] = {};
int err;
MLX5_SET(create_sq_in, in, opcode, MLX5_CMD_OP_CREATE_SQ);
@@ -126,34 +120,30 @@ int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, u32 *sqn)
return err;
}
-int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen)
+int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in)
{
- u32 out[MLX5_ST_SZ_DW(modify_sq_out)] = {0};
-
MLX5_SET(modify_sq_in, in, sqn, sqn);
MLX5_SET(modify_sq_in, in, opcode, MLX5_CMD_OP_MODIFY_SQ);
- return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_sq, in);
}
EXPORT_SYMBOL(mlx5_core_modify_sq);
void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn)
{
- u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_sq_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_sq_in)] = {};
MLX5_SET(destroy_sq_in, in, opcode, MLX5_CMD_OP_DESTROY_SQ);
MLX5_SET(destroy_sq_in, in, sqn, sqn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, destroy_sq, in);
}
int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out)
{
- u32 in[MLX5_ST_SZ_DW(query_sq_in)] = {0};
- int outlen = MLX5_ST_SZ_BYTES(query_sq_out);
+ u32 in[MLX5_ST_SZ_DW(query_sq_in)] = {};
MLX5_SET(query_sq_in, in, opcode, MLX5_CMD_OP_QUERY_SQ);
MLX5_SET(query_sq_in, in, sqn, sqn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, outlen);
+ return mlx5_cmd_exec_inout(dev, query_sq, in, out);
}
EXPORT_SYMBOL(mlx5_core_query_sq);
@@ -182,24 +172,13 @@ out:
}
EXPORT_SYMBOL_GPL(mlx5_core_query_sq_state);
-int mlx5_core_create_tir_out(struct mlx5_core_dev *dev,
- u32 *in, int inlen,
- u32 *out, int outlen)
-{
- MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
-
- return mlx5_cmd_exec(dev, in, inlen, out, outlen);
-}
-EXPORT_SYMBOL(mlx5_core_create_tir_out);
-
-int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
- u32 *tirn)
+int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, u32 *tirn)
{
u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {};
int err;
- err = mlx5_core_create_tir_out(dev, in, inlen,
- out, sizeof(out));
+ MLX5_SET(create_tir_in, in, opcode, MLX5_CMD_OP_CREATE_TIR);
+ err = mlx5_cmd_exec_inout(dev, create_tir, in, out);
if (!err)
*tirn = MLX5_GET(create_tir_out, out, tirn);
@@ -207,35 +186,30 @@ int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
}
EXPORT_SYMBOL(mlx5_core_create_tir);
-int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
- int inlen)
+int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in)
{
- u32 out[MLX5_ST_SZ_DW(modify_tir_out)] = {0};
-
MLX5_SET(modify_tir_in, in, tirn, tirn);
MLX5_SET(modify_tir_in, in, opcode, MLX5_CMD_OP_MODIFY_TIR);
- return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_tir, in);
}
void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn)
{
- u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_tir_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_tir_in)] = {};
MLX5_SET(destroy_tir_in, in, opcode, MLX5_CMD_OP_DESTROY_TIR);
MLX5_SET(destroy_tir_in, in, tirn, tirn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, destroy_tir, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_tir);
-int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
- u32 *tisn)
+int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, u32 *tisn)
{
- u32 out[MLX5_ST_SZ_DW(create_tis_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_tis_out)] = {};
int err;
MLX5_SET(create_tis_in, in, opcode, MLX5_CMD_OP_CREATE_TIS);
- err = mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, create_tis, in, out);
if (!err)
*tisn = MLX5_GET(create_tis_out, out, tisn);
@@ -243,33 +217,29 @@ int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
}
EXPORT_SYMBOL(mlx5_core_create_tis);
-int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
- int inlen)
+int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in)
{
- u32 out[MLX5_ST_SZ_DW(modify_tis_out)] = {0};
-
MLX5_SET(modify_tis_in, in, tisn, tisn);
MLX5_SET(modify_tis_in, in, opcode, MLX5_CMD_OP_MODIFY_TIS);
- return mlx5_cmd_exec(dev, in, inlen, out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, modify_tis, in);
}
EXPORT_SYMBOL(mlx5_core_modify_tis);
void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn)
{
- u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_tis_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_tis_in)] = {};
MLX5_SET(destroy_tis_in, in, opcode, MLX5_CMD_OP_DESTROY_TIS);
MLX5_SET(destroy_tis_in, in, tisn, tisn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, destroy_tis, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_tis);
int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *rqtn)
{
- u32 out[MLX5_ST_SZ_DW(create_rqt_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(create_rqt_out)] = {};
int err;
MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
@@ -284,7 +254,7 @@ EXPORT_SYMBOL(mlx5_core_create_rqt);
int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
int inlen)
{
- u32 out[MLX5_ST_SZ_DW(modify_rqt_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(modify_rqt_out)] = {};
MLX5_SET(modify_rqt_in, in, rqtn, rqtn);
MLX5_SET(modify_rqt_in, in, opcode, MLX5_CMD_OP_MODIFY_RQT);
@@ -293,12 +263,11 @@ int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn)
{
- u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)] = {};
MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
MLX5_SET(destroy_rqt_in, in, rqtn, rqtn);
- mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ mlx5_cmd_exec_in(dev, destroy_rqt, in);
}
EXPORT_SYMBOL(mlx5_core_destroy_rqt);
@@ -383,7 +352,7 @@ static int mlx5_hairpin_modify_rq(struct mlx5_core_dev *func_mdev, u32 rqn,
int curr_state, int next_state,
u16 peer_vhca, u32 peer_sq)
{
- u32 in[MLX5_ST_SZ_DW(modify_rq_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_rq_in)] = {};
void *rqc;
rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
@@ -396,8 +365,7 @@ static int mlx5_hairpin_modify_rq(struct mlx5_core_dev *func_mdev, u32 rqn,
MLX5_SET(modify_rq_in, in, rq_state, curr_state);
MLX5_SET(rqc, rqc, state, next_state);
- return mlx5_core_modify_rq(func_mdev, rqn,
- in, MLX5_ST_SZ_BYTES(modify_rq_in));
+ return mlx5_core_modify_rq(func_mdev, rqn, in);
}
static int mlx5_hairpin_modify_sq(struct mlx5_core_dev *peer_mdev, u32 sqn,
@@ -417,8 +385,7 @@ static int mlx5_hairpin_modify_sq(struct mlx5_core_dev *peer_mdev, u32 sqn,
MLX5_SET(modify_sq_in, in, sq_state, curr_state);
MLX5_SET(sqc, sqc, state, next_state);
- return mlx5_core_modify_sq(peer_mdev, sqn,
- in, MLX5_ST_SZ_BYTES(modify_sq_in));
+ return mlx5_core_modify_sq(peer_mdev, sqn, in);
}
static int mlx5_hairpin_pair_queues(struct mlx5_hairpin *hp)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 0d006224d7b0..da481a7c12f4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -34,17 +34,16 @@
#include <linux/module.h>
#include <linux/io-mapping.h>
#include <linux/mlx5/driver.h>
-#include <linux/mlx5/cmd.h>
#include "mlx5_core.h"
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn)
{
- u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(alloc_uar_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(alloc_uar_in)] = {};
int err;
MLX5_SET(alloc_uar_in, in, opcode, MLX5_CMD_OP_ALLOC_UAR);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(dev, alloc_uar, in, out);
if (!err)
*uarn = MLX5_GET(alloc_uar_out, out, uar);
return err;
@@ -53,12 +52,11 @@ EXPORT_SYMBOL(mlx5_cmd_alloc_uar);
int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn)
{
- u32 out[MLX5_ST_SZ_DW(dealloc_uar_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(dealloc_uar_in)] = {};
MLX5_SET(dealloc_uar_in, in, opcode, MLX5_CMD_OP_DEALLOC_UAR);
MLX5_SET(dealloc_uar_in, in, uar, uarn);
- return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(dev, dealloc_uar, in);
}
EXPORT_SYMBOL(mlx5_cmd_free_uar);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index 23f879da9104..c107d92dc118 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -40,10 +40,11 @@
/* Mutex to hold while enabling or disabling RoCE */
static DEFINE_MUTEX(mlx5_roce_en_lock);
-static int _mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod,
- u16 vport, u32 *out, int outlen)
+u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
{
- u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {};
+ int err;
MLX5_SET(query_vport_state_in, in, opcode,
MLX5_CMD_OP_QUERY_VPORT_STATE);
@@ -52,14 +53,9 @@ static int _mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod,
if (vport)
MLX5_SET(query_vport_state_in, in, other_vport, 1);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
-}
-
-u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
-{
- u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {0};
-
- _mlx5_query_vport_state(mdev, opmod, vport, out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, query_vport_state, in, out);
+ if (err)
+ return 0;
return MLX5_GET(query_vport_state_out, out, state);
}
@@ -67,8 +63,7 @@ u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
u16 vport, u8 other_vport, u8 state)
{
- u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)] = {0};
- u32 out[MLX5_ST_SZ_DW(modify_vport_state_out)] = {0};
+ u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)] = {};
MLX5_SET(modify_vport_state_in, in, opcode,
MLX5_CMD_OP_MODIFY_VPORT_STATE);
@@ -77,13 +72,13 @@ int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
MLX5_SET(modify_vport_state_in, in, other_vport, other_vport);
MLX5_SET(modify_vport_state_in, in, admin_state, state);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ return mlx5_cmd_exec_in(mdev, modify_vport_state, in);
}
static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
- u32 *out, int outlen)
+ u32 *out)
{
- u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
+ u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
MLX5_SET(query_nic_vport_context_in, in, opcode,
MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
@@ -91,26 +86,16 @@ static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
if (vport)
MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
- return mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
-}
-
-static int mlx5_modify_nic_vport_context(struct mlx5_core_dev *mdev, void *in,
- int inlen)
-{
- u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {0};
-
- MLX5_SET(modify_nic_vport_context_in, in, opcode,
- MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- return mlx5_cmd_exec(mdev, in, inlen, out, sizeof(out));
+ return mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
}
int mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev,
u16 vport, u8 *min_inline)
{
- u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {0};
+ u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
int err;
- err = mlx5_query_nic_vport_context(mdev, vport, out, sizeof(out));
+ err = mlx5_query_nic_vport_context(mdev, vport, out);
if (!err)
*min_inline = MLX5_GET(query_nic_vport_context_out, out,
nic_vport_context.min_wqe_inline_mode);
@@ -139,8 +124,7 @@ EXPORT_SYMBOL_GPL(mlx5_query_min_inline);
int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
u16 vport, u8 min_inline)
{
- u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {0};
- int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
+ u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {};
void *nic_vport_ctx;
MLX5_SET(modify_nic_vport_context_in, in,
@@ -152,23 +136,20 @@ int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
in, nic_vport_context);
MLX5_SET(nic_vport_context, nic_vport_ctx,
min_wqe_inline_mode, min_inline);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- return mlx5_modify_nic_vport_context(mdev, in, inlen);
+ return mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
}
int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
u16 vport, bool other, u8 *addr)
{
- int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
+ u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
u8 *out_addr;
- u32 *out;
int err;
- out = kvzalloc(outlen, GFP_KERNEL);
- if (!out)
- return -ENOMEM;
-
out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
nic_vport_context.permanent_address);
@@ -177,11 +158,10 @@ int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
MLX5_SET(query_nic_vport_context_in, in, other_vport, other);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen);
+ err = mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
if (!err)
ether_addr_copy(addr, &out_addr[2]);
- kvfree(out);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_address);
@@ -216,8 +196,10 @@ int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
permanent_address);
ether_addr_copy(&perm_mac[2], addr);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
kvfree(in);
@@ -235,7 +217,7 @@ int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu)
if (!out)
return -ENOMEM;
- err = mlx5_query_nic_vport_context(mdev, 0, out, outlen);
+ err = mlx5_query_nic_vport_context(mdev, 0, out);
if (!err)
*mtu = MLX5_GET(query_nic_vport_context_out, out,
nic_vport_context.mtu);
@@ -257,8 +239,10 @@ int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu)
MLX5_SET(modify_nic_vport_context_in, in, field_select.mtu, 1);
MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.mtu, mtu);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
kvfree(in);
return err;
@@ -292,7 +276,7 @@ int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev,
req_list_size = max_list_size;
}
- out_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
+ out_sz = MLX5_ST_SZ_BYTES(query_nic_vport_context_in) +
req_list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
out = kzalloc(out_sz, GFP_KERNEL);
@@ -332,7 +316,7 @@ int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
u8 addr_list[][ETH_ALEN],
int list_size)
{
- u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
+ u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {};
void *nic_vport_ctx;
int max_list_size;
int in_sz;
@@ -350,7 +334,6 @@ int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
- memset(out, 0, sizeof(out));
in = kzalloc(in_sz, GFP_KERNEL);
if (!in)
return -ENOMEM;
@@ -442,7 +425,7 @@ int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
if (!out)
return -ENOMEM;
- mlx5_query_nic_vport_context(mdev, 0, out, outlen);
+ mlx5_query_nic_vport_context(mdev, 0, out);
*system_image_guid = MLX5_GET64(query_nic_vport_context_out, out,
nic_vport_context.system_image_guid);
@@ -462,7 +445,7 @@ int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
if (!out)
return -ENOMEM;
- mlx5_query_nic_vport_context(mdev, 0, out, outlen);
+ mlx5_query_nic_vport_context(mdev, 0, out);
*node_guid = MLX5_GET64(query_nic_vport_context_out, out,
nic_vport_context.node_guid);
@@ -498,8 +481,10 @@ int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
nic_vport_context = MLX5_ADDR_OF(modify_nic_vport_context_in,
in, nic_vport_context);
MLX5_SET64(nic_vport_context, nic_vport_context, node_guid, node_guid);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
kvfree(in);
@@ -516,7 +501,7 @@ int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
if (!out)
return -ENOMEM;
- mlx5_query_nic_vport_context(mdev, 0, out, outlen);
+ mlx5_query_nic_vport_context(mdev, 0, out);
*qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out,
nic_vport_context.qkey_violation_counter);
@@ -664,7 +649,7 @@ int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
struct mlx5_hca_vport_context *rep)
{
int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
- int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)] = {0};
+ int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)] = {};
int is_group_manager;
void *out;
void *ctx;
@@ -691,7 +676,7 @@ int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
if (MLX5_CAP_GEN(dev, num_ports) == 2)
MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);
- err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
+ err = mlx5_cmd_exec_inout(dev, query_hca_vport_context, in, out);
if (err)
goto ex;
@@ -788,7 +773,7 @@ int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev,
if (!out)
return -ENOMEM;
- err = mlx5_query_nic_vport_context(mdev, vport, out, outlen);
+ err = mlx5_query_nic_vport_context(mdev, vport, out);
if (err)
goto out;
@@ -825,8 +810,10 @@ int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev,
nic_vport_context.promisc_mc, promisc_mc);
MLX5_SET(modify_nic_vport_context_in, in,
nic_vport_context.promisc_all, promisc_all);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
kvfree(in);
@@ -865,8 +852,10 @@ int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable)
if (MLX5_CAP_GEN(mdev, disable_local_lb_uc))
MLX5_SET(modify_nic_vport_context_in, in,
field_select.disable_uc_local_lb, 1);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
if (!err)
mlx5_core_dbg(mdev, "%s local_lb\n",
@@ -888,7 +877,7 @@ int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status)
if (!out)
return -ENOMEM;
- err = mlx5_query_nic_vport_context(mdev, 0, out, outlen);
+ err = mlx5_query_nic_vport_context(mdev, 0, out);
if (err)
goto out;
@@ -925,8 +914,10 @@ static int mlx5_nic_vport_update_roce_state(struct mlx5_core_dev *mdev,
MLX5_SET(modify_nic_vport_context_in, in, field_select.roce_en, 1);
MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.roce_en,
state);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(mdev, in, inlen);
+ err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
kvfree(in);
@@ -965,16 +956,15 @@ int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
mutex_unlock(&mlx5_roce_en_lock);
return err;
}
-EXPORT_SYMBOL_GPL(mlx5_nic_vport_disable_roce);
+EXPORT_SYMBOL(mlx5_nic_vport_disable_roce);
int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
- int vf, u8 port_num, void *out,
- size_t out_sz)
+ int vf, u8 port_num, void *out)
{
- int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
- int is_group_manager;
- void *in;
- int err;
+ int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
+ int is_group_manager;
+ void *in;
+ int err;
is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
in = kvzalloc(in_sz, GFP_KERNEL);
@@ -997,7 +987,7 @@ int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
if (MLX5_CAP_GEN(dev, num_ports) == 2)
MLX5_SET(query_vport_counter_in, in, port_num, port_num);
- err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
+ err = mlx5_cmd_exec_inout(dev, query_vport_counter, in, out);
free:
kvfree(in);
return err;
@@ -1008,8 +998,8 @@ int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
u8 other_vport, u64 *rx_discard_vport_down,
u64 *tx_discard_vport_down)
{
- u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {0};
- u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {0};
+ u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {};
+ u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
int err;
MLX5_SET(query_vnic_env_in, in, opcode,
@@ -1018,7 +1008,7 @@ int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
MLX5_SET(query_vnic_env_in, in, vport_number, vport);
MLX5_SET(query_vnic_env_in, in, other_vport, other_vport);
- err = mlx5_cmd_exec(mdev, in, sizeof(in), out, sizeof(out));
+ err = mlx5_cmd_exec_inout(mdev, query_vnic_env, in, out);
if (err)
return err;
@@ -1035,11 +1025,10 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
struct mlx5_hca_vport_context *req)
{
int in_sz = MLX5_ST_SZ_BYTES(modify_hca_vport_context_in);
- u8 out[MLX5_ST_SZ_BYTES(modify_hca_vport_context_out)];
int is_group_manager;
+ void *ctx;
void *in;
int err;
- void *ctx;
mlx5_core_dbg(dev, "vf %d\n", vf);
is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
@@ -1047,7 +1036,6 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
if (!in)
return -ENOMEM;
- memset(out, 0, sizeof(out));
MLX5_SET(modify_hca_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT);
if (other_vport) {
if (is_group_manager) {
@@ -1074,7 +1062,7 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
MLX5_SET(hca_vport_context, ctx, cap_mask1, req->cap_mask1);
MLX5_SET(hca_vport_context, ctx, cap_mask1_field_select,
req->cap_mask1_perm);
- err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
+ err = mlx5_cmd_exec_in(dev, modify_hca_vport_context, in);
ex:
kfree(in);
return err;
@@ -1103,8 +1091,10 @@ int mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev *master_mdev,
MLX5_SET(modify_nic_vport_context_in, in,
nic_vport_context.affiliation_criteria,
MLX5_CAP_GEN(port_mdev, affiliate_nic_vport_criteria));
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(port_mdev, in, inlen);
+ err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
if (err)
mlx5_nic_vport_disable_roce(port_mdev);
@@ -1129,8 +1119,10 @@ int mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev *port_mdev)
nic_vport_context.affiliated_vhca_id, 0);
MLX5_SET(modify_nic_vport_context_in, in,
nic_vport_context.affiliation_criteria, 0);
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
- err = mlx5_modify_nic_vport_context(port_mdev, in, inlen);
+ err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
if (!err)
mlx5_nic_vport_disable_roce(port_mdev);
@@ -1170,4 +1162,4 @@ u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev)
{
return MLX5_SPECIAL_VPORTS(dev) + mlx5_core_max_vfs(dev);
}
-EXPORT_SYMBOL(mlx5_eswitch_get_total_vports);
+EXPORT_SYMBOL_GPL(mlx5_eswitch_get_total_vports);
diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c
index 046a0cb82ed8..7a04c626a2aa 100644
--- a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c
+++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_fsm.c
@@ -76,7 +76,7 @@ static int mlxfw_fsm_state_err(struct mlxfw_dev *mlxfw_dev,
case MLXFW_FSM_STATE_ERR_MAX:
MLXFW_ERR_MSG(mlxfw_dev, extack, "unknown error", err);
break;
- };
+ }
return mlxfw_fsm_state_errno[fsm_state_err];
};
@@ -159,7 +159,7 @@ mlxfw_fsm_reactivate_err(struct mlxfw_dev *mlxfw_dev,
case MLXFW_FSM_REACTIVATE_STATUS_MAX:
MLXFW_REACT_ERR("unexpected error", err);
break;
- };
+ }
return -EREMOTEIO;
};
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Makefile b/drivers/net/ethernet/mellanox/mlxsw/Makefile
index 0e86a581d45b..4aeabb35c943 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Makefile
+++ b/drivers/net/ethernet/mellanox/mlxsw/Makefile
@@ -21,6 +21,7 @@ mlxsw_spectrum-objs := spectrum.o spectrum_buffers.o \
spectrum_acl_atcam.o spectrum_acl_erp.o \
spectrum1_acl_tcam.o spectrum2_acl_tcam.o \
spectrum_acl_bloom_filter.o spectrum_acl.o \
+ spectrum_flow.o spectrum_matchall.o \
spectrum_flower.o spectrum_cnt.o \
spectrum_fid.o spectrum_ipip.o \
spectrum_acl_flex_actions.o \
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
index 70a104e728f6..c3d04319ff44 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
@@ -380,7 +380,7 @@ struct mlxsw_afa_block *mlxsw_afa_block_create(struct mlxsw_afa *mlxsw_afa)
block = kzalloc(sizeof(*block), GFP_KERNEL);
if (!block)
- return NULL;
+ return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&block->resource_list);
block->afa = mlxsw_afa;
@@ -408,7 +408,7 @@ err_second_set_create:
mlxsw_afa_set_destroy(block->first_set);
err_first_set_create:
kfree(block);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
EXPORT_SYMBOL(mlxsw_afa_block_create);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 9b39b8e70519..fcb88d4271bf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -3203,7 +3203,7 @@ MLXSW_ITEM32_INDEXED(reg, iedr, rec_type, MLXSW_REG_IEDR_BASE_LEN, 24, 8,
* Size of entries do be deleted. The unit is 1 entry, regardless of entry type.
* Access: OP
*/
-MLXSW_ITEM32_INDEXED(reg, iedr, rec_size, MLXSW_REG_IEDR_BASE_LEN, 0, 11,
+MLXSW_ITEM32_INDEXED(reg, iedr, rec_size, MLXSW_REG_IEDR_BASE_LEN, 0, 13,
MLXSW_REG_IEDR_REC_LEN, 0x00, false);
/* reg_iedr_rec_index_start
@@ -5526,40 +5526,37 @@ MLXSW_ITEM32(reg, htgt, type, 0x00, 8, 4);
enum mlxsw_reg_htgt_trap_group {
MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
- MLXSW_REG_HTGT_TRAP_GROUP_SX2_RX,
- MLXSW_REG_HTGT_TRAP_GROUP_SX2_CTRL,
MLXSW_REG_HTGT_TRAP_GROUP_SP_STP,
MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP,
MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP,
- MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING,
MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP,
MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF,
MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM,
MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST,
- MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_NEIGH_DISCOVERY,
MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP,
- MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE,
MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME,
MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP,
MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT,
- MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD,
- MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6,
MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR,
MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0,
MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1,
MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP,
-
- __MLXSW_REG_HTGT_TRAP_GROUP_MAX,
- MLXSW_REG_HTGT_TRAP_GROUP_MAX = __MLXSW_REG_HTGT_TRAP_GROUP_MAX - 1
-};
-
-enum mlxsw_reg_htgt_discard_trap_group {
- MLXSW_REG_HTGT_DISCARD_TRAP_GROUP_BASE = MLXSW_REG_HTGT_TRAP_GROUP_MAX,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_FLOW_LOGGING,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_BFD,
MLXSW_REG_HTGT_TRAP_GROUP_SP_DUMMY,
MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS,
MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS,
MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS,
MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS,
+
+ __MLXSW_REG_HTGT_TRAP_GROUP_MAX,
+ MLXSW_REG_HTGT_TRAP_GROUP_MAX = __MLXSW_REG_HTGT_TRAP_GROUP_MAX - 1
};
/* reg_htgt_trap_group
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 24ca8d5bc564..5ffa32b75e5f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -25,9 +25,7 @@
#include <linux/log2.h>
#include <net/switchdev.h>
#include <net/pkt_cls.h>
-#include <net/tc_act/tc_mirred.h>
#include <net/netevent.h>
-#include <net/tc_act/tc_sample.h>
#include <net/addrconf.h>
#include "spectrum.h"
@@ -582,16 +580,6 @@ static int mlxsw_sp_base_mac_get(struct mlxsw_sp *mlxsw_sp)
return 0;
}
-static int mlxsw_sp_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
- bool enable, u32 rate)
-{
- struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- char mpsc_pl[MLXSW_REG_MPSC_LEN];
-
- mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
- return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
-}
-
static int mlxsw_sp_port_admin_status_set(struct mlxsw_sp_port *mlxsw_sp_port,
bool is_up)
{
@@ -1362,412 +1350,6 @@ static int mlxsw_sp_port_kill_vid(struct net_device *dev,
return 0;
}
-static struct mlxsw_sp_port_mall_tc_entry *
-mlxsw_sp_port_mall_tc_entry_find(struct mlxsw_sp_port *port,
- unsigned long cookie) {
- struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
-
- list_for_each_entry(mall_tc_entry, &port->mall_tc_list, list)
- if (mall_tc_entry->cookie == cookie)
- return mall_tc_entry;
-
- return NULL;
-}
-
-static int
-mlxsw_sp_port_add_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
- struct mlxsw_sp_port_mall_mirror_tc_entry *mirror,
- const struct flow_action_entry *act,
- bool ingress)
-{
- enum mlxsw_sp_span_type span_type;
-
- if (!act->dev) {
- netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
- return -EINVAL;
- }
-
- mirror->ingress = ingress;
- span_type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
- return mlxsw_sp_span_mirror_add(mlxsw_sp_port, act->dev, span_type,
- true, &mirror->span_id);
-}
-
-static void
-mlxsw_sp_port_del_cls_matchall_mirror(struct mlxsw_sp_port *mlxsw_sp_port,
- struct mlxsw_sp_port_mall_mirror_tc_entry *mirror)
-{
- enum mlxsw_sp_span_type span_type;
-
- span_type = mirror->ingress ?
- MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
- mlxsw_sp_span_mirror_del(mlxsw_sp_port, mirror->span_id,
- span_type, true);
-}
-
-static int
-mlxsw_sp_port_add_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port,
- struct tc_cls_matchall_offload *cls,
- const struct flow_action_entry *act,
- bool ingress)
-{
- int err;
-
- if (!mlxsw_sp_port->sample)
- return -EOPNOTSUPP;
- if (rtnl_dereference(mlxsw_sp_port->sample->psample_group)) {
- netdev_err(mlxsw_sp_port->dev, "sample already active\n");
- return -EEXIST;
- }
- if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
- netdev_err(mlxsw_sp_port->dev, "sample rate not supported\n");
- return -EOPNOTSUPP;
- }
-
- rcu_assign_pointer(mlxsw_sp_port->sample->psample_group,
- act->sample.psample_group);
- mlxsw_sp_port->sample->truncate = act->sample.truncate;
- mlxsw_sp_port->sample->trunc_size = act->sample.trunc_size;
- mlxsw_sp_port->sample->rate = act->sample.rate;
-
- err = mlxsw_sp_port_sample_set(mlxsw_sp_port, true, act->sample.rate);
- if (err)
- goto err_port_sample_set;
- return 0;
-
-err_port_sample_set:
- RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
- return err;
-}
-
-static void
-mlxsw_sp_port_del_cls_matchall_sample(struct mlxsw_sp_port *mlxsw_sp_port)
-{
- if (!mlxsw_sp_port->sample)
- return;
-
- mlxsw_sp_port_sample_set(mlxsw_sp_port, false, 1);
- RCU_INIT_POINTER(mlxsw_sp_port->sample->psample_group, NULL);
-}
-
-static int mlxsw_sp_port_add_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
- struct tc_cls_matchall_offload *f,
- bool ingress)
-{
- struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
- __be16 protocol = f->common.protocol;
- struct flow_action_entry *act;
- int err;
-
- if (!flow_offload_has_one_action(&f->rule->action)) {
- netdev_err(mlxsw_sp_port->dev, "only singular actions are supported\n");
- return -EOPNOTSUPP;
- }
-
- mall_tc_entry = kzalloc(sizeof(*mall_tc_entry), GFP_KERNEL);
- if (!mall_tc_entry)
- return -ENOMEM;
- mall_tc_entry->cookie = f->cookie;
-
- act = &f->rule->action.entries[0];
-
- if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
- struct mlxsw_sp_port_mall_mirror_tc_entry *mirror;
-
- mall_tc_entry->type = MLXSW_SP_PORT_MALL_MIRROR;
- mirror = &mall_tc_entry->mirror;
- err = mlxsw_sp_port_add_cls_matchall_mirror(mlxsw_sp_port,
- mirror, act,
- ingress);
- } else if (act->id == FLOW_ACTION_SAMPLE &&
- protocol == htons(ETH_P_ALL)) {
- mall_tc_entry->type = MLXSW_SP_PORT_MALL_SAMPLE;
- err = mlxsw_sp_port_add_cls_matchall_sample(mlxsw_sp_port, f,
- act, ingress);
- } else {
- err = -EOPNOTSUPP;
- }
-
- if (err)
- goto err_add_action;
-
- list_add_tail(&mall_tc_entry->list, &mlxsw_sp_port->mall_tc_list);
- return 0;
-
-err_add_action:
- kfree(mall_tc_entry);
- return err;
-}
-
-static void mlxsw_sp_port_del_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
- struct tc_cls_matchall_offload *f)
-{
- struct mlxsw_sp_port_mall_tc_entry *mall_tc_entry;
-
- mall_tc_entry = mlxsw_sp_port_mall_tc_entry_find(mlxsw_sp_port,
- f->cookie);
- if (!mall_tc_entry) {
- netdev_dbg(mlxsw_sp_port->dev, "tc entry not found on port\n");
- return;
- }
- list_del(&mall_tc_entry->list);
-
- switch (mall_tc_entry->type) {
- case MLXSW_SP_PORT_MALL_MIRROR:
- mlxsw_sp_port_del_cls_matchall_mirror(mlxsw_sp_port,
- &mall_tc_entry->mirror);
- break;
- case MLXSW_SP_PORT_MALL_SAMPLE:
- mlxsw_sp_port_del_cls_matchall_sample(mlxsw_sp_port);
- break;
- default:
- WARN_ON(1);
- }
-
- kfree(mall_tc_entry);
-}
-
-static int mlxsw_sp_setup_tc_cls_matchall(struct mlxsw_sp_port *mlxsw_sp_port,
- struct tc_cls_matchall_offload *f,
- bool ingress)
-{
- switch (f->command) {
- case TC_CLSMATCHALL_REPLACE:
- return mlxsw_sp_port_add_cls_matchall(mlxsw_sp_port, f,
- ingress);
- case TC_CLSMATCHALL_DESTROY:
- mlxsw_sp_port_del_cls_matchall(mlxsw_sp_port, f);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int
-mlxsw_sp_setup_tc_cls_flower(struct mlxsw_sp_acl_block *acl_block,
- struct flow_cls_offload *f)
-{
- struct mlxsw_sp *mlxsw_sp = mlxsw_sp_acl_block_mlxsw_sp(acl_block);
-
- switch (f->command) {
- case FLOW_CLS_REPLACE:
- return mlxsw_sp_flower_replace(mlxsw_sp, acl_block, f);
- case FLOW_CLS_DESTROY:
- mlxsw_sp_flower_destroy(mlxsw_sp, acl_block, f);
- return 0;
- case FLOW_CLS_STATS:
- return mlxsw_sp_flower_stats(mlxsw_sp, acl_block, f);
- case FLOW_CLS_TMPLT_CREATE:
- return mlxsw_sp_flower_tmplt_create(mlxsw_sp, acl_block, f);
- case FLOW_CLS_TMPLT_DESTROY:
- mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, acl_block, f);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlxsw_sp_setup_tc_block_cb_matchall(enum tc_setup_type type,
- void *type_data,
- void *cb_priv, bool ingress)
-{
- struct mlxsw_sp_port *mlxsw_sp_port = cb_priv;
-
- switch (type) {
- case TC_SETUP_CLSMATCHALL:
- if (!tc_cls_can_offload_and_chain0(mlxsw_sp_port->dev,
- type_data))
- return -EOPNOTSUPP;
-
- return mlxsw_sp_setup_tc_cls_matchall(mlxsw_sp_port, type_data,
- ingress);
- case TC_SETUP_CLSFLOWER:
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static int mlxsw_sp_setup_tc_block_cb_matchall_ig(enum tc_setup_type type,
- void *type_data,
- void *cb_priv)
-{
- return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
- cb_priv, true);
-}
-
-static int mlxsw_sp_setup_tc_block_cb_matchall_eg(enum tc_setup_type type,
- void *type_data,
- void *cb_priv)
-{
- return mlxsw_sp_setup_tc_block_cb_matchall(type, type_data,
- cb_priv, false);
-}
-
-static int mlxsw_sp_setup_tc_block_cb_flower(enum tc_setup_type type,
- void *type_data, void *cb_priv)
-{
- struct mlxsw_sp_acl_block *acl_block = cb_priv;
-
- switch (type) {
- case TC_SETUP_CLSMATCHALL:
- return 0;
- case TC_SETUP_CLSFLOWER:
- if (mlxsw_sp_acl_block_disabled(acl_block))
- return -EOPNOTSUPP;
-
- return mlxsw_sp_setup_tc_cls_flower(acl_block, type_data);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void mlxsw_sp_tc_block_flower_release(void *cb_priv)
-{
- struct mlxsw_sp_acl_block *acl_block = cb_priv;
-
- mlxsw_sp_acl_block_destroy(acl_block);
-}
-
-static LIST_HEAD(mlxsw_sp_block_cb_list);
-
-static int
-mlxsw_sp_setup_tc_block_flower_bind(struct mlxsw_sp_port *mlxsw_sp_port,
- struct flow_block_offload *f, bool ingress)
-{
- struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- struct mlxsw_sp_acl_block *acl_block;
- struct flow_block_cb *block_cb;
- bool register_block = false;
- int err;
-
- block_cb = flow_block_cb_lookup(f->block,
- mlxsw_sp_setup_tc_block_cb_flower,
- mlxsw_sp);
- if (!block_cb) {
- acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, f->net);
- if (!acl_block)
- return -ENOMEM;
- block_cb = flow_block_cb_alloc(mlxsw_sp_setup_tc_block_cb_flower,
- mlxsw_sp, acl_block,
- mlxsw_sp_tc_block_flower_release);
- if (IS_ERR(block_cb)) {
- mlxsw_sp_acl_block_destroy(acl_block);
- err = PTR_ERR(block_cb);
- goto err_cb_register;
- }
- register_block = true;
- } else {
- acl_block = flow_block_cb_priv(block_cb);
- }
- flow_block_cb_incref(block_cb);
- err = mlxsw_sp_acl_block_bind(mlxsw_sp, acl_block,
- mlxsw_sp_port, ingress, f->extack);
- if (err)
- goto err_block_bind;
-
- if (ingress)
- mlxsw_sp_port->ing_acl_block = acl_block;
- else
- mlxsw_sp_port->eg_acl_block = acl_block;
-
- if (register_block) {
- flow_block_cb_add(block_cb, f);
- list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
- }
-
- return 0;
-
-err_block_bind:
- if (!flow_block_cb_decref(block_cb))
- flow_block_cb_free(block_cb);
-err_cb_register:
- return err;
-}
-
-static void
-mlxsw_sp_setup_tc_block_flower_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
- struct flow_block_offload *f, bool ingress)
-{
- struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
- struct mlxsw_sp_acl_block *acl_block;
- struct flow_block_cb *block_cb;
- int err;
-
- block_cb = flow_block_cb_lookup(f->block,
- mlxsw_sp_setup_tc_block_cb_flower,
- mlxsw_sp);
- if (!block_cb)
- return;
-
- if (ingress)
- mlxsw_sp_port->ing_acl_block = NULL;
- else
- mlxsw_sp_port->eg_acl_block = NULL;
-
- acl_block = flow_block_cb_priv(block_cb);
- err = mlxsw_sp_acl_block_unbind(mlxsw_sp, acl_block,
- mlxsw_sp_port, ingress);
- if (!err && !flow_block_cb_decref(block_cb)) {
- flow_block_cb_remove(block_cb, f);
- list_del(&block_cb->driver_list);
- }
-}
-
-static int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
- struct flow_block_offload *f)
-{
- struct flow_block_cb *block_cb;
- flow_setup_cb_t *cb;
- bool ingress;
- int err;
-
- if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
- cb = mlxsw_sp_setup_tc_block_cb_matchall_ig;
- ingress = true;
- } else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
- cb = mlxsw_sp_setup_tc_block_cb_matchall_eg;
- ingress = false;
- } else {
- return -EOPNOTSUPP;
- }
-
- f->driver_block_list = &mlxsw_sp_block_cb_list;
-
- switch (f->command) {
- case FLOW_BLOCK_BIND:
- if (flow_block_cb_is_busy(cb, mlxsw_sp_port,
- &mlxsw_sp_block_cb_list))
- return -EBUSY;
-
- block_cb = flow_block_cb_alloc(cb, mlxsw_sp_port,
- mlxsw_sp_port, NULL);
- if (IS_ERR(block_cb))
- return PTR_ERR(block_cb);
- err = mlxsw_sp_setup_tc_block_flower_bind(mlxsw_sp_port, f,
- ingress);
- if (err) {
- flow_block_cb_free(block_cb);
- return err;
- }
- flow_block_cb_add(block_cb, f);
- list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
- return 0;
- case FLOW_BLOCK_UNBIND:
- mlxsw_sp_setup_tc_block_flower_unbind(mlxsw_sp_port,
- f, ingress);
- block_cb = flow_block_cb_lookup(f->block, cb, mlxsw_sp_port);
- if (!block_cb)
- return -ENOENT;
-
- flow_block_cb_remove(block_cb, f);
- list_del(&block_cb->driver_list);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
@@ -1791,23 +1373,21 @@ static int mlxsw_sp_setup_tc(struct net_device *dev, enum tc_setup_type type,
}
}
-
static int mlxsw_sp_feature_hw_tc(struct net_device *dev, bool enable)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
if (!enable) {
- if (mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->ing_acl_block) ||
- mlxsw_sp_acl_block_rule_count(mlxsw_sp_port->eg_acl_block) ||
- !list_empty(&mlxsw_sp_port->mall_tc_list)) {
+ if (mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->ing_flow_block) ||
+ mlxsw_sp_flow_block_rule_count(mlxsw_sp_port->eg_flow_block)) {
netdev_err(dev, "Active offloaded tc filters, can't turn hw_tc_offload off\n");
return -EINVAL;
}
- mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->ing_acl_block);
- mlxsw_sp_acl_block_disable_inc(mlxsw_sp_port->eg_acl_block);
+ mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->ing_flow_block);
+ mlxsw_sp_flow_block_disable_inc(mlxsw_sp_port->eg_flow_block);
} else {
- mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->ing_acl_block);
- mlxsw_sp_acl_block_disable_dec(mlxsw_sp_port->eg_acl_block);
+ mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->ing_flow_block);
+ mlxsw_sp_flow_block_disable_dec(mlxsw_sp_port->eg_flow_block);
}
return 0;
}
@@ -3695,7 +3275,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
mlxsw_sp_port->mapping = *port_mapping;
mlxsw_sp_port->link.autoneg = 1;
INIT_LIST_HEAD(&mlxsw_sp_port->vlans_list);
- INIT_LIST_HEAD(&mlxsw_sp_port->mall_tc_list);
mlxsw_sp_port->pcpu_stats =
netdev_alloc_pcpu_stats(struct mlxsw_sp_port_pcpu_stats);
@@ -3704,13 +3283,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
goto err_alloc_stats;
}
- mlxsw_sp_port->sample = kzalloc(sizeof(*mlxsw_sp_port->sample),
- GFP_KERNEL);
- if (!mlxsw_sp_port->sample) {
- err = -ENOMEM;
- goto err_alloc_sample;
- }
-
INIT_DELAYED_WORK(&mlxsw_sp_port->periodic_hw_stats.update_dw,
&update_stats_cache);
@@ -3897,8 +3469,6 @@ err_dev_addr_init:
err_port_swid_set:
mlxsw_sp_port_module_unmap(mlxsw_sp_port);
err_port_module_map:
- kfree(mlxsw_sp_port->sample);
-err_alloc_sample:
free_percpu(mlxsw_sp_port->pcpu_stats);
err_alloc_stats:
free_netdev(dev);
@@ -3926,7 +3496,6 @@ static void mlxsw_sp_port_remove(struct mlxsw_sp *mlxsw_sp, u8 local_port)
mlxsw_sp_port_tc_mc_mode_set(mlxsw_sp_port, false);
mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT);
mlxsw_sp_port_module_unmap(mlxsw_sp_port);
- kfree(mlxsw_sp_port->sample);
free_percpu(mlxsw_sp_port->pcpu_stats);
WARN_ON_ONCE(!list_empty(&mlxsw_sp_port->vlans_list));
free_netdev(mlxsw_sp_port->dev);
@@ -3986,6 +3555,7 @@ static void mlxsw_sp_ports_remove(struct mlxsw_sp *mlxsw_sp)
mlxsw_sp_port_remove(mlxsw_sp, i);
mlxsw_sp_cpu_port_remove(mlxsw_sp);
kfree(mlxsw_sp->ports);
+ mlxsw_sp->ports = NULL;
}
static int mlxsw_sp_ports_create(struct mlxsw_sp *mlxsw_sp)
@@ -4022,6 +3592,7 @@ err_port_create:
mlxsw_sp_cpu_port_remove(mlxsw_sp);
err_cpu_port_create:
kfree(mlxsw_sp->ports);
+ mlxsw_sp->ports = NULL;
return err;
}
@@ -4143,6 +3714,14 @@ static int mlxsw_sp_local_ports_offset(struct mlxsw_core *mlxsw_core,
return mlxsw_core_res_get(mlxsw_core, local_ports_in_x_res_id);
}
+static struct mlxsw_sp_port *
+mlxsw_sp_port_get_by_local_port(struct mlxsw_sp *mlxsw_sp, u8 local_port)
+{
+ if (mlxsw_sp->ports && mlxsw_sp->ports[local_port])
+ return mlxsw_sp->ports[local_port];
+ return NULL;
+}
+
static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
unsigned int count,
struct netlink_ext_ack *extack)
@@ -4156,7 +3735,7 @@ static int mlxsw_sp_port_split(struct mlxsw_core *mlxsw_core, u8 local_port,
int i;
int err;
- mlxsw_sp_port = mlxsw_sp->ports[local_port];
+ mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
@@ -4251,7 +3830,7 @@ static int mlxsw_sp_port_unsplit(struct mlxsw_core *mlxsw_core, u8 local_port,
int offset;
int i;
- mlxsw_sp_port = mlxsw_sp->ports[local_port];
+ mlxsw_sp_port = mlxsw_sp_port_get_by_local_port(mlxsw_sp, local_port);
if (!mlxsw_sp_port) {
dev_err(mlxsw_sp->bus_info->dev, "Port number \"%d\" does not exist\n",
local_port);
@@ -4408,12 +3987,17 @@ static void mlxsw_sp_rx_listener_l3_mark_func(struct sk_buff *skb,
return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
}
-static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port,
- void *priv)
+void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
+ u8 local_port)
+{
+ mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
+}
+
+void mlxsw_sp_sample_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
+ u8 local_port)
{
- struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
- struct psample_group *psample_group;
+ struct mlxsw_sp_port_sample *sample;
u32 size;
if (unlikely(!mlxsw_sp_port)) {
@@ -4421,36 +4005,20 @@ static void mlxsw_sp_rx_listener_sample_func(struct sk_buff *skb, u8 local_port,
local_port);
goto out;
}
- if (unlikely(!mlxsw_sp_port->sample)) {
- dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: sample skb received on unsupported port\n",
- local_port);
- goto out;
- }
-
- size = mlxsw_sp_port->sample->truncate ?
- mlxsw_sp_port->sample->trunc_size : skb->len;
rcu_read_lock();
- psample_group = rcu_dereference(mlxsw_sp_port->sample->psample_group);
- if (!psample_group)
+ sample = rcu_dereference(mlxsw_sp_port->sample);
+ if (!sample)
goto out_unlock;
- psample_sample_packet(psample_group, skb, size,
- mlxsw_sp_port->dev->ifindex, 0,
- mlxsw_sp_port->sample->rate);
+ size = sample->truncate ? sample->trunc_size : skb->len;
+ psample_sample_packet(sample->psample_group, skb, size,
+ mlxsw_sp_port->dev->ifindex, 0, sample->rate);
out_unlock:
rcu_read_unlock();
out:
consume_skb(skb);
}
-static void mlxsw_sp_rx_listener_ptp(struct sk_buff *skb, u8 local_port,
- void *priv)
-{
- struct mlxsw_sp *mlxsw_sp = priv;
-
- mlxsw_sp->ptp_ops->receive(mlxsw_sp, skb, local_port);
-}
-
#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
_is_ctrl, SP_##_trap_group, DISCARD)
@@ -4470,58 +4038,13 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
/* Events */
MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
/* L2 traps */
- MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
- MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
- MLXSW_RXL(mlxsw_sp_rx_listener_ptp, LLDP, TRAP_TO_CPU,
- false, SP_LLDP, DISCARD),
- MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false),
- MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false),
- MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false),
- MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false),
- MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false),
- MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false),
- MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false),
- MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false),
- MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, IP2ME, false),
- MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY, MIRROR_TO_CPU, IPV6_MLD,
- false),
- MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
- false),
- MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE, TRAP_TO_CPU, IPV6_MLD,
- false),
- MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT, TRAP_TO_CPU, IPV6_MLD,
- false),
+ MLXSW_SP_RXL_NO_MARK(FID_MISS, TRAP_TO_CPU, FID_MISS, false),
/* L3 traps */
- MLXSW_SP_RXL_L3_MARK(LBERROR, MIRROR_TO_CPU, LBERROR, false),
- MLXSW_SP_RXL_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
MLXSW_SP_RXL_MARK(IPV6_UNSPECIFIED_ADDRESS, TRAP_TO_CPU, ROUTER_EXP,
false),
- MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP, false),
MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_SRC, TRAP_TO_CPU, ROUTER_EXP, false),
- MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, TRAP_TO_CPU, ROUTER_EXP, false),
- MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, TRAP_TO_CPU, ROUTER_EXP,
- false),
- MLXSW_SP_RXL_MARK(IPV4_OSPF, TRAP_TO_CPU, OSPF, false),
- MLXSW_SP_RXL_MARK(IPV6_OSPF, TRAP_TO_CPU, OSPF, false),
- MLXSW_SP_RXL_MARK(IPV6_DHCP, TRAP_TO_CPU, DHCP, false),
- MLXSW_SP_RXL_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
- MLXSW_SP_RXL_MARK(IPV4_BGP, TRAP_TO_CPU, BGP, false),
- MLXSW_SP_RXL_MARK(IPV6_BGP, TRAP_TO_CPU, BGP, false),
- MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
- false),
- MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
- false),
- MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION, TRAP_TO_CPU, IPV6_ND,
- false),
- MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISMENT, TRAP_TO_CPU, IPV6_ND,
- false),
- MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, TRAP_TO_CPU, IPV6_ND, false),
MLXSW_SP_RXL_MARK(IPV6_MC_LINK_LOCAL_DEST, TRAP_TO_CPU, ROUTER_EXP,
false),
- MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, TRAP_TO_CPU, ROUTER_EXP, false),
- MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, TRAP_TO_CPU, ROUTER_EXP, false),
- MLXSW_SP_RXL_MARK(IPV4_VRRP, TRAP_TO_CPU, VRRP, false),
- MLXSW_SP_RXL_MARK(IPV6_VRRP, TRAP_TO_CPU, VRRP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_SIP_CLASS_E, FORWARD,
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_MC_DMAC, FORWARD,
@@ -4530,23 +4053,11 @@ static const struct mlxsw_listener mlxsw_sp_listener[] = {
ROUTER_EXP, false),
MLXSW_SP_RXL_NO_MARK(DISCARD_ING_ROUTER_DIP_LINK_LOCAL, FORWARD,
ROUTER_EXP, false),
- /* PKT Sample trap */
- MLXSW_RXL(mlxsw_sp_rx_listener_sample_func, PKT_SAMPLE, MIRROR_TO_CPU,
- false, SP_IP2ME, DISCARD),
- /* ACL trap */
- MLXSW_SP_RXL_NO_MARK(ACL0, TRAP_TO_CPU, IP2ME, false),
/* Multicast Router Traps */
- MLXSW_SP_RXL_MARK(IPV4_PIM, TRAP_TO_CPU, PIM, false),
- MLXSW_SP_RXL_MARK(IPV6_PIM, TRAP_TO_CPU, PIM, false),
MLXSW_SP_RXL_MARK(ACL1, TRAP_TO_CPU, MULTICAST, false),
MLXSW_SP_RXL_L3_MARK(ACL2, TRAP_TO_CPU, MULTICAST, false),
/* NVE traps */
- MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, ARP, false),
- MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, TRAP_TO_CPU, ARP, false),
- /* PTP traps */
- MLXSW_RXL(mlxsw_sp_rx_listener_ptp, PTP0, TRAP_TO_CPU,
- false, SP_PTP0, DISCARD),
- MLXSW_SP_RXL_NO_MARK(PTP1, TRAP_TO_CPU, PTP1, false),
+ MLXSW_SP_RXL_MARK(NVE_ENCAP_ARP, TRAP_TO_CPU, NEIGH_DISCOVERY, false),
};
static const struct mlxsw_listener mlxsw_sp1_listener[] = {
@@ -4575,46 +4086,12 @@ static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
for (i = 0; i < max_cpu_policers; i++) {
is_bytes = false;
switch (i) {
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
- rate = 128;
- burst_size = 7;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
- rate = 16 * 1024;
- burst_size = 10;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS:
rate = 1024;
burst_size = 7;
break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
- rate = 1024;
- burst_size = 7;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
- rate = 24 * 1024;
- burst_size = 12;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
- rate = 19 * 1024;
- burst_size = 12;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
- rate = 360;
- burst_size = 7;
- break;
default:
continue;
}
@@ -4649,43 +4126,12 @@ static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
for (i = 0; i < max_trap_groups; i++) {
policer_id = i;
switch (i) {
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP:
- priority = 5;
- tc = 5;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
- priority = 4;
- tc = 4;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_MLD:
- priority = 3;
- tc = 3;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6_ND:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1:
- priority = 2;
- tc = 2;
- break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
case MLXSW_REG_HTGT_TRAP_GROUP_SP_MULTICAST:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_FID_MISS:
priority = 1;
tc = 1;
break;
- case MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR:
- priority = 0;
- tc = 1;
- break;
case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
tc = MLXSW_REG_HTGT_DEFAULT_TC;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index ca56e72cb4b7..6f96ca50c9ba 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -109,25 +109,6 @@ struct mlxsw_sp_mid {
unsigned long *ports_in_mid; /* bits array */
};
-enum mlxsw_sp_port_mall_action_type {
- MLXSW_SP_PORT_MALL_MIRROR,
- MLXSW_SP_PORT_MALL_SAMPLE,
-};
-
-struct mlxsw_sp_port_mall_mirror_tc_entry {
- int span_id;
- bool ingress;
-};
-
-struct mlxsw_sp_port_mall_tc_entry {
- struct list_head list;
- unsigned long cookie;
- enum mlxsw_sp_port_mall_action_type type;
- union {
- struct mlxsw_sp_port_mall_mirror_tc_entry mirror;
- };
-};
-
struct mlxsw_sp_sb;
struct mlxsw_sp_bridge;
struct mlxsw_sp_router;
@@ -211,7 +192,7 @@ struct mlxsw_sp_port_pcpu_stats {
};
struct mlxsw_sp_port_sample {
- struct psample_group __rcu *psample_group;
+ struct psample_group *psample_group;
u32 trunc_size;
u32 rate;
bool truncate;
@@ -274,21 +255,19 @@ struct mlxsw_sp_port {
* the same localport can have
* different mapping.
*/
- /* TC handles */
- struct list_head mall_tc_list;
struct {
#define MLXSW_HW_STATS_UPDATE_TIME HZ
struct rtnl_link_stats64 stats;
struct mlxsw_sp_port_xstats xstats;
struct delayed_work update_dw;
} periodic_hw_stats;
- struct mlxsw_sp_port_sample *sample;
+ struct mlxsw_sp_port_sample __rcu *sample;
struct list_head vlans_list;
struct mlxsw_sp_port_vlan *default_vlan;
struct mlxsw_sp_qdisc_state *qdisc;
unsigned acl_rule_count;
- struct mlxsw_sp_acl_block *ing_acl_block;
- struct mlxsw_sp_acl_block *eg_acl_block;
+ struct mlxsw_sp_flow_block *ing_flow_block;
+ struct mlxsw_sp_flow_block *eg_flow_block;
struct {
struct delayed_work shaper_dw;
struct hwtstamp_config hwtstamp_config;
@@ -472,6 +451,10 @@ extern struct notifier_block mlxsw_sp_switchdev_notifier;
/* spectrum.c */
void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
u8 local_port, void *priv);
+void mlxsw_sp_ptp_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
+ u8 local_port);
+void mlxsw_sp_sample_receive(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
+ u8 local_port);
int mlxsw_sp_port_speed_get(struct mlxsw_sp_port *mlxsw_sp_port, u32 *speed);
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
enum mlxsw_reg_qeec_hr hr, u8 index, u8 next_index,
@@ -654,17 +637,14 @@ struct mlxsw_sp_acl_rule_info {
unsigned int counter_index;
};
-struct mlxsw_sp_acl_block;
-struct mlxsw_sp_acl_ruleset;
-
-/* spectrum_acl.c */
-enum mlxsw_sp_acl_profile {
- MLXSW_SP_ACL_PROFILE_FLOWER,
- MLXSW_SP_ACL_PROFILE_MR,
-};
-
-struct mlxsw_sp_acl_block {
+/* spectrum_flow.c */
+struct mlxsw_sp_flow_block {
struct list_head binding_list;
+ struct {
+ struct list_head list;
+ unsigned int min_prio;
+ unsigned int max_prio;
+ } mall;
struct mlxsw_sp_acl_ruleset *ruleset_zero;
struct mlxsw_sp *mlxsw_sp;
unsigned int rule_count;
@@ -676,40 +656,100 @@ struct mlxsw_sp_acl_block {
struct net *net;
};
+struct mlxsw_sp_flow_block_binding {
+ struct list_head list;
+ struct net_device *dev;
+ struct mlxsw_sp_port *mlxsw_sp_port;
+ bool ingress;
+};
+
+static inline struct mlxsw_sp *
+mlxsw_sp_flow_block_mlxsw_sp(struct mlxsw_sp_flow_block *block)
+{
+ return block->mlxsw_sp;
+}
+
+static inline unsigned int
+mlxsw_sp_flow_block_rule_count(const struct mlxsw_sp_flow_block *block)
+{
+ return block ? block->rule_count : 0;
+}
+
+static inline void
+mlxsw_sp_flow_block_disable_inc(struct mlxsw_sp_flow_block *block)
+{
+ if (block)
+ block->disable_count++;
+}
+
+static inline void
+mlxsw_sp_flow_block_disable_dec(struct mlxsw_sp_flow_block *block)
+{
+ if (block)
+ block->disable_count--;
+}
+
+static inline bool
+mlxsw_sp_flow_block_disabled(const struct mlxsw_sp_flow_block *block)
+{
+ return block->disable_count;
+}
+
+static inline bool
+mlxsw_sp_flow_block_is_egress_bound(const struct mlxsw_sp_flow_block *block)
+{
+ return block->egress_binding_count;
+}
+
+static inline bool
+mlxsw_sp_flow_block_is_ingress_bound(const struct mlxsw_sp_flow_block *block)
+{
+ return block->ingress_binding_count;
+}
+
+static inline bool
+mlxsw_sp_flow_block_is_mixed_bound(const struct mlxsw_sp_flow_block *block)
+{
+ return block->ingress_binding_count && block->egress_binding_count;
+}
+
+struct mlxsw_sp_flow_block *mlxsw_sp_flow_block_create(struct mlxsw_sp *mlxsw_sp,
+ struct net *net);
+void mlxsw_sp_flow_block_destroy(struct mlxsw_sp_flow_block *block);
+int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct flow_block_offload *f);
+
+/* spectrum_acl.c */
+struct mlxsw_sp_acl_ruleset;
+
+enum mlxsw_sp_acl_profile {
+ MLXSW_SP_ACL_PROFILE_FLOWER,
+ MLXSW_SP_ACL_PROFILE_MR,
+};
+
struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl);
-struct mlxsw_sp *mlxsw_sp_acl_block_mlxsw_sp(struct mlxsw_sp_acl_block *block);
-unsigned int
-mlxsw_sp_acl_block_rule_count(const struct mlxsw_sp_acl_block *block);
-void mlxsw_sp_acl_block_disable_inc(struct mlxsw_sp_acl_block *block);
-void mlxsw_sp_acl_block_disable_dec(struct mlxsw_sp_acl_block *block);
-bool mlxsw_sp_acl_block_disabled(const struct mlxsw_sp_acl_block *block);
-struct mlxsw_sp_acl_block *mlxsw_sp_acl_block_create(struct mlxsw_sp *mlxsw_sp,
- struct net *net);
-void mlxsw_sp_acl_block_destroy(struct mlxsw_sp_acl_block *block);
-int mlxsw_sp_acl_block_bind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_port *mlxsw_sp_port,
- bool ingress,
- struct netlink_ext_ack *extack);
-int mlxsw_sp_acl_block_unbind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_port *mlxsw_sp_port,
- bool ingress);
-bool mlxsw_sp_acl_block_is_egress_bound(const struct mlxsw_sp_acl_block *block);
-bool mlxsw_sp_acl_block_is_ingress_bound(const struct mlxsw_sp_acl_block *block);
-bool mlxsw_sp_acl_block_is_mixed_bound(const struct mlxsw_sp_acl_block *block);
+
+int mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_flow_block_binding *binding);
+void mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_flow_block_binding *binding);
struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
enum mlxsw_sp_acl_profile profile);
struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
enum mlxsw_sp_acl_profile profile,
struct mlxsw_afk_element_usage *tmplt_elusage);
void mlxsw_sp_acl_ruleset_put(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ruleset *ruleset);
u16 mlxsw_sp_acl_ruleset_group_id(struct mlxsw_sp_acl_ruleset *ruleset);
+void mlxsw_sp_acl_ruleset_prio_get(struct mlxsw_sp_acl_ruleset *ruleset,
+ unsigned int *p_min_prio,
+ unsigned int *p_max_prio);
struct mlxsw_sp_acl_rule_info *
mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl,
@@ -736,7 +776,7 @@ int mlxsw_sp_acl_rulei_act_drop(struct mlxsw_sp_acl_rule_info *rulei,
int mlxsw_sp_acl_rulei_act_trap(struct mlxsw_sp_acl_rule_info *rulei);
int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_rule_info *rulei,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct net_device *out_dev,
struct netlink_ext_ack *extack);
int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
@@ -857,22 +897,39 @@ extern const struct mlxsw_afa_ops mlxsw_sp2_act_afa_ops;
extern const struct mlxsw_afk_ops mlxsw_sp1_afk_ops;
extern const struct mlxsw_afk_ops mlxsw_sp2_afk_ops;
+/* spectrum_matchall.c */
+int mlxsw_sp_mall_replace(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct tc_cls_matchall_offload *f);
+void mlxsw_sp_mall_destroy(struct mlxsw_sp_flow_block *block,
+ struct tc_cls_matchall_offload *f);
+int mlxsw_sp_mall_port_bind(struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port);
+void mlxsw_sp_mall_port_unbind(struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port);
+int mlxsw_sp_mall_prio_get(struct mlxsw_sp_flow_block *block, u32 chain_index,
+ unsigned int *p_min_prio, unsigned int *p_max_prio);
+
/* spectrum_flower.c */
int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f);
void mlxsw_sp_flower_destroy(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f);
int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f);
int mlxsw_sp_flower_tmplt_create(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f);
void mlxsw_sp_flower_tmplt_destroy(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f);
+int mlxsw_sp_flower_prio_get(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ u32 chain_index, unsigned int *p_min_prio,
+ unsigned int *p_max_prio);
/* spectrum_qdisc.c */
int mlxsw_sp_tc_qdisc_init(struct mlxsw_sp_port *mlxsw_sp_port);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_acl_tcam.c
index 6c66a0f1b79e..ad69913f19c1 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_acl_tcam.c
@@ -88,8 +88,8 @@ static int mlxsw_sp2_acl_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv,
* to be written using PEFA register to all indexes for all regions.
*/
afa_block = mlxsw_afa_block_create(mlxsw_sp->afa);
- if (!afa_block) {
- err = -ENOMEM;
+ if (IS_ERR(afa_block)) {
+ err = PTR_ERR(afa_block);
goto err_afa_block;
}
err = mlxsw_afa_block_continue(afa_block);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c
index e31ec75ac035..a11d911302f1 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum2_mr_tcam.c
@@ -9,7 +9,7 @@
struct mlxsw_sp2_mr_tcam {
struct mlxsw_sp *mlxsw_sp;
- struct mlxsw_sp_acl_block *acl_block;
+ struct mlxsw_sp_flow_block *flow_block;
struct mlxsw_sp_acl_ruleset *ruleset4;
struct mlxsw_sp_acl_ruleset *ruleset6;
};
@@ -61,7 +61,7 @@ static int mlxsw_sp2_mr_tcam_ipv4_init(struct mlxsw_sp2_mr_tcam *mr_tcam)
mlxsw_sp2_mr_tcam_usage_ipv4,
ARRAY_SIZE(mlxsw_sp2_mr_tcam_usage_ipv4));
mr_tcam->ruleset4 = mlxsw_sp_acl_ruleset_get(mr_tcam->mlxsw_sp,
- mr_tcam->acl_block,
+ mr_tcam->flow_block,
MLXSW_SP_L3_PROTO_IPV4,
MLXSW_SP_ACL_PROFILE_MR,
&elusage);
@@ -111,7 +111,7 @@ static int mlxsw_sp2_mr_tcam_ipv6_init(struct mlxsw_sp2_mr_tcam *mr_tcam)
mlxsw_sp2_mr_tcam_usage_ipv6,
ARRAY_SIZE(mlxsw_sp2_mr_tcam_usage_ipv6));
mr_tcam->ruleset6 = mlxsw_sp_acl_ruleset_get(mr_tcam->mlxsw_sp,
- mr_tcam->acl_block,
+ mr_tcam->flow_block,
MLXSW_SP_L3_PROTO_IPV6,
MLXSW_SP_ACL_PROFILE_MR,
&elusage);
@@ -289,8 +289,8 @@ static int mlxsw_sp2_mr_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv)
int err;
mr_tcam->mlxsw_sp = mlxsw_sp;
- mr_tcam->acl_block = mlxsw_sp_acl_block_create(mlxsw_sp, NULL);
- if (!mr_tcam->acl_block)
+ mr_tcam->flow_block = mlxsw_sp_flow_block_create(mlxsw_sp, NULL);
+ if (!mr_tcam->flow_block)
return -ENOMEM;
err = mlxsw_sp2_mr_tcam_ipv4_init(mr_tcam);
@@ -306,7 +306,7 @@ static int mlxsw_sp2_mr_tcam_init(struct mlxsw_sp *mlxsw_sp, void *priv)
err_ipv6_init:
mlxsw_sp2_mr_tcam_ipv4_fini(mr_tcam);
err_ipv4_init:
- mlxsw_sp_acl_block_destroy(mr_tcam->acl_block);
+ mlxsw_sp_flow_block_destroy(mr_tcam->flow_block);
return err;
}
@@ -316,7 +316,7 @@ static void mlxsw_sp2_mr_tcam_fini(void *priv)
mlxsw_sp2_mr_tcam_ipv6_fini(mr_tcam);
mlxsw_sp2_mr_tcam_ipv4_fini(mr_tcam);
- mlxsw_sp_acl_block_destroy(mr_tcam->acl_block);
+ mlxsw_sp_flow_block_destroy(mr_tcam->flow_block);
}
const struct mlxsw_sp_mr_tcam_ops mlxsw_sp2_mr_tcam_ops = {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
index 67ee880a8727..47da9ee0045d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
@@ -40,15 +40,8 @@ struct mlxsw_afk *mlxsw_sp_acl_afk(struct mlxsw_sp_acl *acl)
return acl->afk;
}
-struct mlxsw_sp_acl_block_binding {
- struct list_head list;
- struct net_device *dev;
- struct mlxsw_sp_port *mlxsw_sp_port;
- bool ingress;
-};
-
struct mlxsw_sp_acl_ruleset_ht_key {
- struct mlxsw_sp_acl_block *block;
+ struct mlxsw_sp_flow_block *block;
u32 chain_index;
const struct mlxsw_sp_acl_profile_ops *ops;
};
@@ -58,6 +51,8 @@ struct mlxsw_sp_acl_ruleset {
struct mlxsw_sp_acl_ruleset_ht_key ht_key;
struct rhashtable rule_ht;
unsigned int ref_count;
+ unsigned int min_prio;
+ unsigned int max_prio;
unsigned long priv[];
/* priv has to be always the last item */
};
@@ -94,49 +89,6 @@ struct mlxsw_sp_fid *mlxsw_sp_acl_dummy_fid(struct mlxsw_sp *mlxsw_sp)
return mlxsw_sp->acl->dummy_fid;
}
-struct mlxsw_sp *mlxsw_sp_acl_block_mlxsw_sp(struct mlxsw_sp_acl_block *block)
-{
- return block->mlxsw_sp;
-}
-
-unsigned int
-mlxsw_sp_acl_block_rule_count(const struct mlxsw_sp_acl_block *block)
-{
- return block ? block->rule_count : 0;
-}
-
-void mlxsw_sp_acl_block_disable_inc(struct mlxsw_sp_acl_block *block)
-{
- if (block)
- block->disable_count++;
-}
-
-void mlxsw_sp_acl_block_disable_dec(struct mlxsw_sp_acl_block *block)
-{
- if (block)
- block->disable_count--;
-}
-
-bool mlxsw_sp_acl_block_disabled(const struct mlxsw_sp_acl_block *block)
-{
- return block->disable_count;
-}
-
-bool mlxsw_sp_acl_block_is_egress_bound(const struct mlxsw_sp_acl_block *block)
-{
- return block->egress_binding_count;
-}
-
-bool mlxsw_sp_acl_block_is_ingress_bound(const struct mlxsw_sp_acl_block *block)
-{
- return block->ingress_binding_count;
-}
-
-bool mlxsw_sp_acl_block_is_mixed_bound(const struct mlxsw_sp_acl_block *block)
-{
- return block->ingress_binding_count && block->egress_binding_count;
-}
-
static bool
mlxsw_sp_acl_ruleset_is_singular(const struct mlxsw_sp_acl_ruleset *ruleset)
{
@@ -144,10 +96,9 @@ mlxsw_sp_acl_ruleset_is_singular(const struct mlxsw_sp_acl_ruleset *ruleset)
return ruleset->ref_count == 2;
}
-static int
-mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_acl_block_binding *binding)
+int mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_flow_block_binding *binding)
{
struct mlxsw_sp_acl_ruleset *ruleset = block->ruleset_zero;
const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
@@ -156,10 +107,9 @@ mlxsw_sp_acl_ruleset_bind(struct mlxsw_sp *mlxsw_sp,
binding->mlxsw_sp_port, binding->ingress);
}
-static void
-mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_acl_block_binding *binding)
+void mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_flow_block_binding *binding)
{
struct mlxsw_sp_acl_ruleset *ruleset = block->ruleset_zero;
const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
@@ -168,18 +118,12 @@ mlxsw_sp_acl_ruleset_unbind(struct mlxsw_sp *mlxsw_sp,
binding->mlxsw_sp_port, binding->ingress);
}
-static bool
-mlxsw_sp_acl_ruleset_block_bound(const struct mlxsw_sp_acl_block *block)
-{
- return block->ruleset_zero;
-}
-
static int
mlxsw_sp_acl_ruleset_block_bind(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ruleset *ruleset,
- struct mlxsw_sp_acl_block *block)
+ struct mlxsw_sp_flow_block *block)
{
- struct mlxsw_sp_acl_block_binding *binding;
+ struct mlxsw_sp_flow_block_binding *binding;
int err;
block->ruleset_zero = ruleset;
@@ -202,122 +146,18 @@ rollback:
static void
mlxsw_sp_acl_ruleset_block_unbind(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ruleset *ruleset,
- struct mlxsw_sp_acl_block *block)
+ struct mlxsw_sp_flow_block *block)
{
- struct mlxsw_sp_acl_block_binding *binding;
+ struct mlxsw_sp_flow_block_binding *binding;
list_for_each_entry(binding, &block->binding_list, list)
mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
block->ruleset_zero = NULL;
}
-struct mlxsw_sp_acl_block *mlxsw_sp_acl_block_create(struct mlxsw_sp *mlxsw_sp,
- struct net *net)
-{
- struct mlxsw_sp_acl_block *block;
-
- block = kzalloc(sizeof(*block), GFP_KERNEL);
- if (!block)
- return NULL;
- INIT_LIST_HEAD(&block->binding_list);
- block->mlxsw_sp = mlxsw_sp;
- block->net = net;
- return block;
-}
-
-void mlxsw_sp_acl_block_destroy(struct mlxsw_sp_acl_block *block)
-{
- WARN_ON(!list_empty(&block->binding_list));
- kfree(block);
-}
-
-static struct mlxsw_sp_acl_block_binding *
-mlxsw_sp_acl_block_lookup(struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_port *mlxsw_sp_port, bool ingress)
-{
- struct mlxsw_sp_acl_block_binding *binding;
-
- list_for_each_entry(binding, &block->binding_list, list)
- if (binding->mlxsw_sp_port == mlxsw_sp_port &&
- binding->ingress == ingress)
- return binding;
- return NULL;
-}
-
-int mlxsw_sp_acl_block_bind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_port *mlxsw_sp_port,
- bool ingress,
- struct netlink_ext_ack *extack)
-{
- struct mlxsw_sp_acl_block_binding *binding;
- int err;
-
- if (WARN_ON(mlxsw_sp_acl_block_lookup(block, mlxsw_sp_port, ingress)))
- return -EEXIST;
-
- if (ingress && block->ingress_blocker_rule_count) {
- NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to ingress because it contains unsupported rules");
- return -EOPNOTSUPP;
- }
-
- if (!ingress && block->egress_blocker_rule_count) {
- NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to egress because it contains unsupported rules");
- return -EOPNOTSUPP;
- }
-
- binding = kzalloc(sizeof(*binding), GFP_KERNEL);
- if (!binding)
- return -ENOMEM;
- binding->mlxsw_sp_port = mlxsw_sp_port;
- binding->ingress = ingress;
-
- if (mlxsw_sp_acl_ruleset_block_bound(block)) {
- err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, block, binding);
- if (err)
- goto err_ruleset_bind;
- }
-
- if (ingress)
- block->ingress_binding_count++;
- else
- block->egress_binding_count++;
- list_add(&binding->list, &block->binding_list);
- return 0;
-
-err_ruleset_bind:
- kfree(binding);
- return err;
-}
-
-int mlxsw_sp_acl_block_unbind(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
- struct mlxsw_sp_port *mlxsw_sp_port,
- bool ingress)
-{
- struct mlxsw_sp_acl_block_binding *binding;
-
- binding = mlxsw_sp_acl_block_lookup(block, mlxsw_sp_port, ingress);
- if (!binding)
- return -ENOENT;
-
- list_del(&binding->list);
-
- if (ingress)
- block->ingress_binding_count--;
- else
- block->egress_binding_count--;
-
- if (mlxsw_sp_acl_ruleset_block_bound(block))
- mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
-
- kfree(binding);
- return 0;
-}
-
static struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
const struct mlxsw_sp_acl_profile_ops *ops,
struct mlxsw_afk_element_usage *tmplt_elusage)
{
@@ -340,7 +180,8 @@ mlxsw_sp_acl_ruleset_create(struct mlxsw_sp *mlxsw_sp,
goto err_rhashtable_init;
err = ops->ruleset_add(mlxsw_sp, &acl->tcam, ruleset->priv,
- tmplt_elusage);
+ tmplt_elusage, &ruleset->min_prio,
+ &ruleset->max_prio);
if (err)
goto err_ops_ruleset_add;
@@ -388,7 +229,7 @@ static void mlxsw_sp_acl_ruleset_ref_dec(struct mlxsw_sp *mlxsw_sp,
static struct mlxsw_sp_acl_ruleset *
__mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
const struct mlxsw_sp_acl_profile_ops *ops)
{
struct mlxsw_sp_acl_ruleset_ht_key ht_key;
@@ -403,7 +244,7 @@ __mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp_acl *acl,
struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
enum mlxsw_sp_acl_profile profile)
{
const struct mlxsw_sp_acl_profile_ops *ops;
@@ -421,7 +262,7 @@ mlxsw_sp_acl_ruleset_lookup(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_ruleset *
mlxsw_sp_acl_ruleset_get(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block, u32 chain_index,
+ struct mlxsw_sp_flow_block *block, u32 chain_index,
enum mlxsw_sp_acl_profile profile,
struct mlxsw_afk_element_usage *tmplt_elusage)
{
@@ -455,6 +296,14 @@ u16 mlxsw_sp_acl_ruleset_group_id(struct mlxsw_sp_acl_ruleset *ruleset)
return ops->ruleset_group_id(ruleset->priv);
}
+void mlxsw_sp_acl_ruleset_prio_get(struct mlxsw_sp_acl_ruleset *ruleset,
+ unsigned int *p_min_prio,
+ unsigned int *p_max_prio)
+{
+ *p_min_prio = ruleset->min_prio;
+ *p_max_prio = ruleset->max_prio;
+}
+
struct mlxsw_sp_acl_rule_info *
mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl,
struct mlxsw_afa_block *afa_block)
@@ -464,7 +313,7 @@ mlxsw_sp_acl_rulei_create(struct mlxsw_sp_acl *acl,
rulei = kzalloc(sizeof(*rulei), GFP_KERNEL);
if (!rulei)
- return NULL;
+ return ERR_PTR(-ENOMEM);
if (afa_block) {
rulei->act_block = afa_block;
@@ -584,11 +433,11 @@ int mlxsw_sp_acl_rulei_act_fwd(struct mlxsw_sp *mlxsw_sp,
int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_rule_info *rulei,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct net_device *out_dev,
struct netlink_ext_ack *extack)
{
- struct mlxsw_sp_acl_block_binding *binding;
+ struct mlxsw_sp_flow_block_binding *binding;
struct mlxsw_sp_port *in_port;
if (!list_is_singular(&block->binding_list)) {
@@ -596,7 +445,7 @@ int mlxsw_sp_acl_rulei_act_mirror(struct mlxsw_sp *mlxsw_sp,
return -EOPNOTSUPP;
}
binding = list_first_entry(&block->binding_list,
- struct mlxsw_sp_acl_block_binding, list);
+ struct mlxsw_sp_flow_block_binding, list);
in_port = binding->mlxsw_sp_port;
return mlxsw_afa_block_append_mirror(rulei->act_block,
@@ -818,7 +667,7 @@ int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
{
struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
- struct mlxsw_sp_acl_block *block = ruleset->ht_key.block;
+ struct mlxsw_sp_flow_block *block = ruleset->ht_key.block;
int err;
err = ops->rule_add(mlxsw_sp, ruleset->priv, rule->priv, rule->rulei);
@@ -862,18 +711,17 @@ void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
{
struct mlxsw_sp_acl_ruleset *ruleset = rule->ruleset;
const struct mlxsw_sp_acl_profile_ops *ops = ruleset->ht_key.ops;
- struct mlxsw_sp_acl_block *block = ruleset->ht_key.block;
+ struct mlxsw_sp_flow_block *block = ruleset->ht_key.block;
block->egress_blocker_rule_count -= rule->rulei->egress_bind_blocker;
block->ingress_blocker_rule_count -= rule->rulei->ingress_bind_blocker;
- ruleset->ht_key.block->rule_count--;
+ block->rule_count--;
mutex_lock(&mlxsw_sp->acl->rules_lock);
list_del(&rule->list);
mutex_unlock(&mlxsw_sp->acl->rules_lock);
if (!ruleset->ht_key.chain_index &&
mlxsw_sp_acl_ruleset_is_singular(ruleset))
- mlxsw_sp_acl_ruleset_block_unbind(mlxsw_sp, ruleset,
- ruleset->ht_key.block);
+ mlxsw_sp_acl_ruleset_block_unbind(mlxsw_sp, ruleset, block);
rhashtable_remove_fast(&ruleset->rule_ht, &rule->ht_node,
mlxsw_sp_acl_rule_ht_params);
ops->rule_del(mlxsw_sp, rule->priv);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c
index e47d1d286e93..73d56012654b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_flex_actions.c
@@ -136,28 +136,35 @@ mlxsw_sp_act_mirror_add(void *priv, u8 local_in_port,
const struct net_device *out_dev,
bool ingress, int *p_span_id)
{
- struct mlxsw_sp_port *in_port;
+ struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
- enum mlxsw_sp_span_type type;
+ int err;
- type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
- in_port = mlxsw_sp->ports[local_in_port];
+ err = mlxsw_sp_span_agent_get(mlxsw_sp, out_dev, p_span_id);
+ if (err)
+ return err;
+
+ mlxsw_sp_port = mlxsw_sp->ports[local_in_port];
+ err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, ingress);
+ if (err)
+ goto err_analyzed_port_get;
- return mlxsw_sp_span_mirror_add(in_port, out_dev, type,
- false, p_span_id);
+ return 0;
+
+err_analyzed_port_get:
+ mlxsw_sp_span_agent_put(mlxsw_sp, *p_span_id);
+ return err;
}
static void
mlxsw_sp_act_mirror_del(void *priv, u8 local_in_port, int span_id, bool ingress)
{
+ struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
- struct mlxsw_sp_port *in_port;
- enum mlxsw_sp_span_type type;
-
- type = ingress ? MLXSW_SP_SPAN_INGRESS : MLXSW_SP_SPAN_EGRESS;
- in_port = mlxsw_sp->ports[local_in_port];
- mlxsw_sp_span_mirror_del(in_port, span_id, type, false);
+ mlxsw_sp_port = mlxsw_sp->ports[local_in_port];
+ mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, ingress);
+ mlxsw_sp_span_agent_put(mlxsw_sp, span_id);
}
const struct mlxsw_afa_ops mlxsw_sp1_act_afa_ops = {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 430da69003d8..5c020403342f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -179,6 +179,8 @@ struct mlxsw_sp_acl_tcam_vgroup {
bool tmplt_elusage_set;
struct mlxsw_afk_element_usage tmplt_elusage;
bool vregion_rehash_enabled;
+ unsigned int *p_min_prio;
+ unsigned int *p_max_prio;
};
struct mlxsw_sp_acl_tcam_rehash_ctx {
@@ -316,13 +318,17 @@ mlxsw_sp_acl_tcam_vgroup_add(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_acl_tcam_pattern *patterns,
unsigned int patterns_count,
struct mlxsw_afk_element_usage *tmplt_elusage,
- bool vregion_rehash_enabled)
+ bool vregion_rehash_enabled,
+ unsigned int *p_min_prio,
+ unsigned int *p_max_prio)
{
int err;
vgroup->patterns = patterns;
vgroup->patterns_count = patterns_count;
vgroup->vregion_rehash_enabled = vregion_rehash_enabled;
+ vgroup->p_min_prio = p_min_prio;
+ vgroup->p_max_prio = p_max_prio;
if (tmplt_elusage) {
vgroup->tmplt_elusage_set = true;
@@ -416,6 +422,21 @@ mlxsw_sp_acl_tcam_vregion_max_prio(struct mlxsw_sp_acl_tcam_vregion *vregion)
return vchunk->priority;
}
+static void
+mlxsw_sp_acl_tcam_vgroup_prio_update(struct mlxsw_sp_acl_tcam_vgroup *vgroup)
+{
+ struct mlxsw_sp_acl_tcam_vregion *vregion;
+
+ if (list_empty(&vgroup->vregion_list))
+ return;
+ vregion = list_first_entry(&vgroup->vregion_list,
+ typeof(*vregion), list);
+ *vgroup->p_min_prio = mlxsw_sp_acl_tcam_vregion_prio(vregion);
+ vregion = list_last_entry(&vgroup->vregion_list,
+ typeof(*vregion), list);
+ *vgroup->p_max_prio = mlxsw_sp_acl_tcam_vregion_max_prio(vregion);
+}
+
static int
mlxsw_sp_acl_tcam_group_region_attach(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_group *group,
@@ -986,8 +1007,9 @@ mlxsw_sp_acl_tcam_vchunk_create(struct mlxsw_sp *mlxsw_sp,
unsigned int priority,
struct mlxsw_afk_element_usage *elusage)
{
+ struct mlxsw_sp_acl_tcam_vchunk *vchunk, *vchunk2;
struct mlxsw_sp_acl_tcam_vregion *vregion;
- struct mlxsw_sp_acl_tcam_vchunk *vchunk;
+ struct list_head *pos;
int err;
if (priority == MLXSW_SP_ACL_TCAM_CATCHALL_PRIO)
@@ -1025,8 +1047,16 @@ mlxsw_sp_acl_tcam_vchunk_create(struct mlxsw_sp *mlxsw_sp,
}
mlxsw_sp_acl_tcam_rehash_ctx_vregion_changed(vregion);
- list_add_tail(&vchunk->list, &vregion->vchunk_list);
+
+ /* Position the vchunk inside the list according to priority */
+ list_for_each(pos, &vregion->vchunk_list) {
+ vchunk2 = list_entry(pos, typeof(*vchunk2), list);
+ if (vchunk2->priority > priority)
+ break;
+ }
+ list_add_tail(&vchunk->list, pos);
mutex_unlock(&vregion->lock);
+ mlxsw_sp_acl_tcam_vgroup_prio_update(vgroup);
return vchunk;
@@ -1058,6 +1088,7 @@ mlxsw_sp_acl_tcam_vchunk_destroy(struct mlxsw_sp *mlxsw_sp,
mlxsw_sp_acl_tcam_vchunk_ht_params);
mlxsw_sp_acl_tcam_vregion_put(mlxsw_sp, vchunk->vregion);
kfree(vchunk);
+ mlxsw_sp_acl_tcam_vgroup_prio_update(vgroup);
}
static struct mlxsw_sp_acl_tcam_vchunk *
@@ -1574,14 +1605,17 @@ static int
mlxsw_sp_acl_tcam_flower_ruleset_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam,
void *ruleset_priv,
- struct mlxsw_afk_element_usage *tmplt_elusage)
+ struct mlxsw_afk_element_usage *tmplt_elusage,
+ unsigned int *p_min_prio,
+ unsigned int *p_max_prio)
{
struct mlxsw_sp_acl_tcam_flower_ruleset *ruleset = ruleset_priv;
return mlxsw_sp_acl_tcam_vgroup_add(mlxsw_sp, tcam, &ruleset->vgroup,
mlxsw_sp_acl_tcam_patterns,
MLXSW_SP_ACL_TCAM_PATTERNS_COUNT,
- tmplt_elusage, true);
+ tmplt_elusage, true,
+ p_min_prio, p_max_prio);
}
static void
@@ -1690,7 +1724,9 @@ static int
mlxsw_sp_acl_tcam_mr_ruleset_add(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam,
void *ruleset_priv,
- struct mlxsw_afk_element_usage *tmplt_elusage)
+ struct mlxsw_afk_element_usage *tmplt_elusage,
+ unsigned int *p_min_prio,
+ unsigned int *p_max_prio)
{
struct mlxsw_sp_acl_tcam_mr_ruleset *ruleset = ruleset_priv;
int err;
@@ -1698,7 +1734,8 @@ mlxsw_sp_acl_tcam_mr_ruleset_add(struct mlxsw_sp *mlxsw_sp,
err = mlxsw_sp_acl_tcam_vgroup_add(mlxsw_sp, tcam, &ruleset->vgroup,
mlxsw_sp_acl_tcam_patterns,
MLXSW_SP_ACL_TCAM_PATTERNS_COUNT,
- tmplt_elusage, false);
+ tmplt_elusage, false,
+ p_min_prio, p_max_prio);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
index 96437992b102..a41df10ade9b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.h
@@ -42,7 +42,8 @@ struct mlxsw_sp_acl_profile_ops {
size_t ruleset_priv_size;
int (*ruleset_add)(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam, void *ruleset_priv,
- struct mlxsw_afk_element_usage *tmplt_elusage);
+ struct mlxsw_afk_element_usage *tmplt_elusage,
+ unsigned int *p_min_prio, unsigned int *p_max_prio);
void (*ruleset_del)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv);
int (*ruleset_bind)(struct mlxsw_sp *mlxsw_sp, void *ruleset_priv,
struct mlxsw_sp_port *mlxsw_sp_port,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index 968f0902e4fe..21bfb2f6a6f0 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -614,7 +614,7 @@ static const struct mlxsw_sp_sb_cm mlxsw_sp2_sb_cms_egress[] = {
#define MLXSW_SP_CPU_PORT_SB_CM MLXSW_SP_SB_CM(0, 0, MLXSW_SP_SB_POOL_EGR_CPU)
static const struct mlxsw_sp_sb_cm mlxsw_sp_cpu_port_sb_cms[] = {
- MLXSW_SP_CPU_PORT_SB_CM,
+ MLXSW_SP_SB_CM(1000, 8, MLXSW_SP_SB_POOL_EGR_CPU),
MLXSW_SP_SB_CM(1000, 8, MLXSW_SP_SB_POOL_EGR_CPU),
MLXSW_SP_SB_CM(1000, 8, MLXSW_SP_SB_POOL_EGR_CPU),
MLXSW_SP_SB_CM(1000, 8, MLXSW_SP_SB_POOL_EGR_CPU),
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flow.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flow.c
new file mode 100644
index 000000000000..47b66f347ff1
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flow.c
@@ -0,0 +1,305 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/* Copyright (c) 2017-2020 Mellanox Technologies. All rights reserved */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <net/net_namespace.h>
+
+#include "spectrum.h"
+
+struct mlxsw_sp_flow_block *
+mlxsw_sp_flow_block_create(struct mlxsw_sp *mlxsw_sp, struct net *net)
+{
+ struct mlxsw_sp_flow_block *block;
+
+ block = kzalloc(sizeof(*block), GFP_KERNEL);
+ if (!block)
+ return NULL;
+ INIT_LIST_HEAD(&block->binding_list);
+ INIT_LIST_HEAD(&block->mall.list);
+ block->mlxsw_sp = mlxsw_sp;
+ block->net = net;
+ return block;
+}
+
+void mlxsw_sp_flow_block_destroy(struct mlxsw_sp_flow_block *block)
+{
+ WARN_ON(!list_empty(&block->binding_list));
+ kfree(block);
+}
+
+static struct mlxsw_sp_flow_block_binding *
+mlxsw_sp_flow_block_lookup(struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port, bool ingress)
+{
+ struct mlxsw_sp_flow_block_binding *binding;
+
+ list_for_each_entry(binding, &block->binding_list, list)
+ if (binding->mlxsw_sp_port == mlxsw_sp_port &&
+ binding->ingress == ingress)
+ return binding;
+ return NULL;
+}
+
+static bool
+mlxsw_sp_flow_block_ruleset_bound(const struct mlxsw_sp_flow_block *block)
+{
+ return block->ruleset_zero;
+}
+
+static int mlxsw_sp_flow_block_bind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress,
+ struct netlink_ext_ack *extack)
+{
+ struct mlxsw_sp_flow_block_binding *binding;
+ int err;
+
+ if (WARN_ON(mlxsw_sp_flow_block_lookup(block, mlxsw_sp_port, ingress)))
+ return -EEXIST;
+
+ if (ingress && block->ingress_blocker_rule_count) {
+ NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to ingress because it contains unsupported rules");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ingress && block->egress_blocker_rule_count) {
+ NL_SET_ERR_MSG_MOD(extack, "Block cannot be bound to egress because it contains unsupported rules");
+ return -EOPNOTSUPP;
+ }
+
+ err = mlxsw_sp_mall_port_bind(block, mlxsw_sp_port);
+ if (err)
+ return err;
+
+ binding = kzalloc(sizeof(*binding), GFP_KERNEL);
+ if (!binding) {
+ err = -ENOMEM;
+ goto err_binding_alloc;
+ }
+ binding->mlxsw_sp_port = mlxsw_sp_port;
+ binding->ingress = ingress;
+
+ if (mlxsw_sp_flow_block_ruleset_bound(block)) {
+ err = mlxsw_sp_acl_ruleset_bind(mlxsw_sp, block, binding);
+ if (err)
+ goto err_ruleset_bind;
+ }
+
+ if (ingress)
+ block->ingress_binding_count++;
+ else
+ block->egress_binding_count++;
+ list_add(&binding->list, &block->binding_list);
+ return 0;
+
+err_ruleset_bind:
+ kfree(binding);
+err_binding_alloc:
+ mlxsw_sp_mall_port_unbind(block, mlxsw_sp_port);
+
+ return err;
+}
+
+static int mlxsw_sp_flow_block_unbind(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
+{
+ struct mlxsw_sp_flow_block_binding *binding;
+
+ binding = mlxsw_sp_flow_block_lookup(block, mlxsw_sp_port, ingress);
+ if (!binding)
+ return -ENOENT;
+
+ list_del(&binding->list);
+
+ if (ingress)
+ block->ingress_binding_count--;
+ else
+ block->egress_binding_count--;
+
+ if (mlxsw_sp_flow_block_ruleset_bound(block))
+ mlxsw_sp_acl_ruleset_unbind(mlxsw_sp, block, binding);
+
+ kfree(binding);
+
+ mlxsw_sp_mall_port_unbind(block, mlxsw_sp_port);
+
+ return 0;
+}
+
+static int mlxsw_sp_flow_block_mall_cb(struct mlxsw_sp_flow_block *flow_block,
+ struct tc_cls_matchall_offload *f)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_flow_block_mlxsw_sp(flow_block);
+
+ switch (f->command) {
+ case TC_CLSMATCHALL_REPLACE:
+ return mlxsw_sp_mall_replace(mlxsw_sp, flow_block, f);
+ case TC_CLSMATCHALL_DESTROY:
+ mlxsw_sp_mall_destroy(flow_block, f);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int mlxsw_sp_flow_block_flower_cb(struct mlxsw_sp_flow_block *flow_block,
+ struct flow_cls_offload *f)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_flow_block_mlxsw_sp(flow_block);
+
+ switch (f->command) {
+ case FLOW_CLS_REPLACE:
+ return mlxsw_sp_flower_replace(mlxsw_sp, flow_block, f);
+ case FLOW_CLS_DESTROY:
+ mlxsw_sp_flower_destroy(mlxsw_sp, flow_block, f);
+ return 0;
+ case FLOW_CLS_STATS:
+ return mlxsw_sp_flower_stats(mlxsw_sp, flow_block, f);
+ case FLOW_CLS_TMPLT_CREATE:
+ return mlxsw_sp_flower_tmplt_create(mlxsw_sp, flow_block, f);
+ case FLOW_CLS_TMPLT_DESTROY:
+ mlxsw_sp_flower_tmplt_destroy(mlxsw_sp, flow_block, f);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int mlxsw_sp_flow_block_cb(enum tc_setup_type type,
+ void *type_data, void *cb_priv)
+{
+ struct mlxsw_sp_flow_block *flow_block = cb_priv;
+
+ if (mlxsw_sp_flow_block_disabled(flow_block))
+ return -EOPNOTSUPP;
+
+ switch (type) {
+ case TC_SETUP_CLSMATCHALL:
+ return mlxsw_sp_flow_block_mall_cb(flow_block, type_data);
+ case TC_SETUP_CLSFLOWER:
+ return mlxsw_sp_flow_block_flower_cb(flow_block, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void mlxsw_sp_tc_block_release(void *cb_priv)
+{
+ struct mlxsw_sp_flow_block *flow_block = cb_priv;
+
+ mlxsw_sp_flow_block_destroy(flow_block);
+}
+
+static LIST_HEAD(mlxsw_sp_block_cb_list);
+
+static int mlxsw_sp_setup_tc_block_bind(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct flow_block_offload *f,
+ bool ingress)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_flow_block *flow_block;
+ struct flow_block_cb *block_cb;
+ bool register_block = false;
+ int err;
+
+ block_cb = flow_block_cb_lookup(f->block, mlxsw_sp_flow_block_cb,
+ mlxsw_sp);
+ if (!block_cb) {
+ flow_block = mlxsw_sp_flow_block_create(mlxsw_sp, f->net);
+ if (!flow_block)
+ return -ENOMEM;
+ block_cb = flow_block_cb_alloc(mlxsw_sp_flow_block_cb,
+ mlxsw_sp, flow_block,
+ mlxsw_sp_tc_block_release);
+ if (IS_ERR(block_cb)) {
+ mlxsw_sp_flow_block_destroy(flow_block);
+ err = PTR_ERR(block_cb);
+ goto err_cb_register;
+ }
+ register_block = true;
+ } else {
+ flow_block = flow_block_cb_priv(block_cb);
+ }
+ flow_block_cb_incref(block_cb);
+ err = mlxsw_sp_flow_block_bind(mlxsw_sp, flow_block,
+ mlxsw_sp_port, ingress, f->extack);
+ if (err)
+ goto err_block_bind;
+
+ if (ingress)
+ mlxsw_sp_port->ing_flow_block = flow_block;
+ else
+ mlxsw_sp_port->eg_flow_block = flow_block;
+
+ if (register_block) {
+ flow_block_cb_add(block_cb, f);
+ list_add_tail(&block_cb->driver_list, &mlxsw_sp_block_cb_list);
+ }
+
+ return 0;
+
+err_block_bind:
+ if (!flow_block_cb_decref(block_cb))
+ flow_block_cb_free(block_cb);
+err_cb_register:
+ return err;
+}
+
+static void mlxsw_sp_setup_tc_block_unbind(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct flow_block_offload *f,
+ bool ingress)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_flow_block *flow_block;
+ struct flow_block_cb *block_cb;
+ int err;
+
+ block_cb = flow_block_cb_lookup(f->block, mlxsw_sp_flow_block_cb,
+ mlxsw_sp);
+ if (!block_cb)
+ return;
+
+ if (ingress)
+ mlxsw_sp_port->ing_flow_block = NULL;
+ else
+ mlxsw_sp_port->eg_flow_block = NULL;
+
+ flow_block = flow_block_cb_priv(block_cb);
+ err = mlxsw_sp_flow_block_unbind(mlxsw_sp, flow_block,
+ mlxsw_sp_port, ingress);
+ if (!err && !flow_block_cb_decref(block_cb)) {
+ flow_block_cb_remove(block_cb, f);
+ list_del(&block_cb->driver_list);
+ }
+}
+
+int mlxsw_sp_setup_tc_block(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct flow_block_offload *f)
+{
+ bool ingress;
+
+ if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
+ ingress = true;
+ else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS)
+ ingress = false;
+ else
+ return -EOPNOTSUPP;
+
+ f->driver_block_list = &mlxsw_sp_block_cb_list;
+
+ switch (f->command) {
+ case FLOW_BLOCK_BIND:
+ return mlxsw_sp_setup_tc_block_bind(mlxsw_sp_port, f, ingress);
+ case FLOW_BLOCK_UNBIND:
+ mlxsw_sp_setup_tc_block_unbind(mlxsw_sp_port, f, ingress);
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
index 51117a5a6bbf..51e1b3930c56 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
@@ -15,7 +15,7 @@
#include "core_acl_flex_keys.h"
static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct mlxsw_sp_acl_rule_info *rulei,
struct flow_action *flow_action,
struct netlink_ext_ack *extack)
@@ -30,13 +30,14 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
return -EOPNOTSUPP;
act = flow_action_first_entry_get(flow_action);
- if (act->hw_stats == FLOW_ACTION_HW_STATS_ANY ||
- act->hw_stats == FLOW_ACTION_HW_STATS_IMMEDIATE) {
+ if (act->hw_stats & FLOW_ACTION_HW_STATS_DISABLED) {
+ /* Nothing to do */
+ } else if (act->hw_stats & FLOW_ACTION_HW_STATS_IMMEDIATE) {
/* Count action is inserted first */
err = mlxsw_sp_acl_rulei_act_count(mlxsw_sp, rulei, extack);
if (err)
return err;
- } else if (act->hw_stats != FLOW_ACTION_HW_STATS_DISABLED) {
+ } else {
NL_SET_ERR_MSG_MOD(extack, "Unsupported action HW stats type");
return -EOPNOTSUPP;
}
@@ -53,11 +54,11 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
case FLOW_ACTION_DROP: {
bool ingress;
- if (mlxsw_sp_acl_block_is_mixed_bound(block)) {
+ if (mlxsw_sp_flow_block_is_mixed_bound(block)) {
NL_SET_ERR_MSG_MOD(extack, "Drop action is not supported when block is bound to ingress and egress");
return -EOPNOTSUPP;
}
- ingress = mlxsw_sp_acl_block_is_ingress_bound(block);
+ ingress = mlxsw_sp_flow_block_is_ingress_bound(block);
err = mlxsw_sp_acl_rulei_act_drop(rulei, ingress,
act->cookie, extack);
if (err) {
@@ -106,7 +107,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fid *fid;
u16 fid_index;
- if (mlxsw_sp_acl_block_is_egress_bound(block)) {
+ if (mlxsw_sp_flow_block_is_egress_bound(block)) {
NL_SET_ERR_MSG_MOD(extack, "Redirect action is not supported on egress");
return -EOPNOTSUPP;
}
@@ -190,7 +191,7 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
static int mlxsw_sp_flower_parse_meta(struct mlxsw_sp_acl_rule_info *rulei,
struct flow_cls_offload *f,
- struct mlxsw_sp_acl_block *block)
+ struct mlxsw_sp_flow_block *block)
{
struct flow_rule *rule = flow_cls_offload_flow_rule(f);
struct mlxsw_sp_port *mlxsw_sp_port;
@@ -371,7 +372,7 @@ static int mlxsw_sp_flower_parse_ip(struct mlxsw_sp *mlxsw_sp,
}
static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct mlxsw_sp_acl_rule_info *rulei,
struct flow_cls_offload *f)
{
@@ -460,7 +461,7 @@ static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
struct flow_match_vlan match;
flow_rule_match_vlan(rule, &match);
- if (mlxsw_sp_acl_block_is_egress_bound(block)) {
+ if (mlxsw_sp_flow_block_is_egress_bound(block)) {
NL_SET_ERR_MSG_MOD(f->common.extack, "vlan_id key is not supported on egress");
return -EOPNOTSUPP;
}
@@ -504,8 +505,36 @@ static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp,
f->common.extack);
}
+static int mlxsw_sp_flower_mall_prio_check(struct mlxsw_sp_flow_block *block,
+ struct flow_cls_offload *f)
+{
+ bool ingress = mlxsw_sp_flow_block_is_ingress_bound(block);
+ unsigned int mall_min_prio;
+ unsigned int mall_max_prio;
+ int err;
+
+ err = mlxsw_sp_mall_prio_get(block, f->common.chain_index,
+ &mall_min_prio, &mall_max_prio);
+ if (err) {
+ if (err == -ENOENT)
+ /* No matchall filters installed on this chain. */
+ return 0;
+ NL_SET_ERR_MSG(f->common.extack, "Failed to get matchall priorities");
+ return err;
+ }
+ if (ingress && f->common.prio <= mall_min_prio) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to add in front of existing matchall rules");
+ return -EOPNOTSUPP;
+ }
+ if (!ingress && f->common.prio >= mall_max_prio) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to add behind of existing matchall rules");
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+
int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f)
{
struct mlxsw_sp_acl_rule_info *rulei;
@@ -513,6 +542,10 @@ int mlxsw_sp_flower_replace(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_rule *rule;
int err;
+ err = mlxsw_sp_flower_mall_prio_check(block, f);
+ if (err)
+ return err;
+
ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, block,
f->common.chain_index,
MLXSW_SP_ACL_PROFILE_FLOWER, NULL);
@@ -552,7 +585,7 @@ err_rule_create:
}
void mlxsw_sp_flower_destroy(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f)
{
struct mlxsw_sp_acl_ruleset *ruleset;
@@ -574,7 +607,7 @@ void mlxsw_sp_flower_destroy(struct mlxsw_sp *mlxsw_sp,
}
int mlxsw_sp_flower_stats(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f)
{
enum flow_action_hw_stats used_hw_stats = FLOW_ACTION_HW_STATS_DISABLED;
@@ -611,7 +644,7 @@ err_rule_get_stats:
}
int mlxsw_sp_flower_tmplt_create(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f)
{
struct mlxsw_sp_acl_ruleset *ruleset;
@@ -632,7 +665,7 @@ int mlxsw_sp_flower_tmplt_create(struct mlxsw_sp *mlxsw_sp,
}
void mlxsw_sp_flower_tmplt_destroy(struct mlxsw_sp *mlxsw_sp,
- struct mlxsw_sp_acl_block *block,
+ struct mlxsw_sp_flow_block *block,
struct flow_cls_offload *f)
{
struct mlxsw_sp_acl_ruleset *ruleset;
@@ -646,3 +679,23 @@ void mlxsw_sp_flower_tmplt_destroy(struct mlxsw_sp *mlxsw_sp,
mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset);
mlxsw_sp_acl_ruleset_put(mlxsw_sp, ruleset);
}
+
+int mlxsw_sp_flower_prio_get(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ u32 chain_index, unsigned int *p_min_prio,
+ unsigned int *p_max_prio)
+{
+ struct mlxsw_sp_acl_ruleset *ruleset;
+
+ ruleset = mlxsw_sp_acl_ruleset_lookup(mlxsw_sp, block,
+ chain_index,
+ MLXSW_SP_ACL_PROFILE_FLOWER);
+ if (IS_ERR(ruleset))
+ /* In case there are no flower rules, the caller
+ * receives -ENOENT to indicate there is no need
+ * to check the priorities.
+ */
+ return PTR_ERR(ruleset);
+ mlxsw_sp_acl_ruleset_prio_get(ruleset, p_min_prio, p_max_prio);
+ return 0;
+}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
new file mode 100644
index 000000000000..f1a44a8eda55
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c
@@ -0,0 +1,378 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/* Copyright (c) 2017-2020 Mellanox Technologies. All rights reserved */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/netdevice.h>
+#include <net/flow_offload.h>
+
+#include "spectrum.h"
+#include "spectrum_span.h"
+#include "reg.h"
+
+enum mlxsw_sp_mall_action_type {
+ MLXSW_SP_MALL_ACTION_TYPE_MIRROR,
+ MLXSW_SP_MALL_ACTION_TYPE_SAMPLE,
+};
+
+struct mlxsw_sp_mall_mirror_entry {
+ const struct net_device *to_dev;
+ int span_id;
+};
+
+struct mlxsw_sp_mall_entry {
+ struct list_head list;
+ unsigned long cookie;
+ unsigned int priority;
+ enum mlxsw_sp_mall_action_type type;
+ bool ingress;
+ union {
+ struct mlxsw_sp_mall_mirror_entry mirror;
+ struct mlxsw_sp_port_sample sample;
+ };
+ struct rcu_head rcu;
+};
+
+static struct mlxsw_sp_mall_entry *
+mlxsw_sp_mall_entry_find(struct mlxsw_sp_flow_block *block, unsigned long cookie)
+{
+ struct mlxsw_sp_mall_entry *mall_entry;
+
+ list_for_each_entry(mall_entry, &block->mall.list, list)
+ if (mall_entry->cookie == cookie)
+ return mall_entry;
+
+ return NULL;
+}
+
+static int
+mlxsw_sp_mall_port_mirror_add(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct mlxsw_sp_mall_entry *mall_entry)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_span_trigger_parms parms;
+ enum mlxsw_sp_span_trigger trigger;
+ int err;
+
+ if (!mall_entry->mirror.to_dev) {
+ netdev_err(mlxsw_sp_port->dev, "Could not find requested device\n");
+ return -EINVAL;
+ }
+
+ err = mlxsw_sp_span_agent_get(mlxsw_sp, mall_entry->mirror.to_dev,
+ &mall_entry->mirror.span_id);
+ if (err)
+ return err;
+
+ err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port,
+ mall_entry->ingress);
+ if (err)
+ goto err_analyzed_port_get;
+
+ trigger = mall_entry->ingress ? MLXSW_SP_SPAN_TRIGGER_INGRESS :
+ MLXSW_SP_SPAN_TRIGGER_EGRESS;
+ parms.span_id = mall_entry->mirror.span_id;
+ err = mlxsw_sp_span_agent_bind(mlxsw_sp, trigger, mlxsw_sp_port,
+ &parms);
+ if (err)
+ goto err_agent_bind;
+
+ return 0;
+
+err_agent_bind:
+ mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, mall_entry->ingress);
+err_analyzed_port_get:
+ mlxsw_sp_span_agent_put(mlxsw_sp, mall_entry->mirror.span_id);
+ return err;
+}
+
+static void
+mlxsw_sp_mall_port_mirror_del(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct mlxsw_sp_mall_entry *mall_entry)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_span_trigger_parms parms;
+ enum mlxsw_sp_span_trigger trigger;
+
+ trigger = mall_entry->ingress ? MLXSW_SP_SPAN_TRIGGER_INGRESS :
+ MLXSW_SP_SPAN_TRIGGER_EGRESS;
+ parms.span_id = mall_entry->mirror.span_id;
+ mlxsw_sp_span_agent_unbind(mlxsw_sp, trigger, mlxsw_sp_port, &parms);
+ mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, mall_entry->ingress);
+ mlxsw_sp_span_agent_put(mlxsw_sp, mall_entry->mirror.span_id);
+}
+
+static int mlxsw_sp_mall_port_sample_set(struct mlxsw_sp_port *mlxsw_sp_port,
+ bool enable, u32 rate)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ char mpsc_pl[MLXSW_REG_MPSC_LEN];
+
+ mlxsw_reg_mpsc_pack(mpsc_pl, mlxsw_sp_port->local_port, enable, rate);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpsc), mpsc_pl);
+}
+
+static int
+mlxsw_sp_mall_port_sample_add(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct mlxsw_sp_mall_entry *mall_entry)
+{
+ int err;
+
+ if (rtnl_dereference(mlxsw_sp_port->sample)) {
+ netdev_err(mlxsw_sp_port->dev, "sample already active\n");
+ return -EEXIST;
+ }
+ rcu_assign_pointer(mlxsw_sp_port->sample, &mall_entry->sample);
+
+ err = mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, true,
+ mall_entry->sample.rate);
+ if (err)
+ goto err_port_sample_set;
+ return 0;
+
+err_port_sample_set:
+ RCU_INIT_POINTER(mlxsw_sp_port->sample, NULL);
+ return err;
+}
+
+static void
+mlxsw_sp_mall_port_sample_del(struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ if (!mlxsw_sp_port->sample)
+ return;
+
+ mlxsw_sp_mall_port_sample_set(mlxsw_sp_port, false, 1);
+ RCU_INIT_POINTER(mlxsw_sp_port->sample, NULL);
+}
+
+static int
+mlxsw_sp_mall_port_rule_add(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct mlxsw_sp_mall_entry *mall_entry)
+{
+ switch (mall_entry->type) {
+ case MLXSW_SP_MALL_ACTION_TYPE_MIRROR:
+ return mlxsw_sp_mall_port_mirror_add(mlxsw_sp_port, mall_entry);
+ case MLXSW_SP_MALL_ACTION_TYPE_SAMPLE:
+ return mlxsw_sp_mall_port_sample_add(mlxsw_sp_port, mall_entry);
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+}
+
+static void
+mlxsw_sp_mall_port_rule_del(struct mlxsw_sp_port *mlxsw_sp_port,
+ struct mlxsw_sp_mall_entry *mall_entry)
+{
+ switch (mall_entry->type) {
+ case MLXSW_SP_MALL_ACTION_TYPE_MIRROR:
+ mlxsw_sp_mall_port_mirror_del(mlxsw_sp_port, mall_entry);
+ break;
+ case MLXSW_SP_MALL_ACTION_TYPE_SAMPLE:
+ mlxsw_sp_mall_port_sample_del(mlxsw_sp_port);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+
+static void mlxsw_sp_mall_prio_update(struct mlxsw_sp_flow_block *block)
+{
+ struct mlxsw_sp_mall_entry *mall_entry;
+
+ if (list_empty(&block->mall.list))
+ return;
+ block->mall.min_prio = UINT_MAX;
+ block->mall.max_prio = 0;
+ list_for_each_entry(mall_entry, &block->mall.list, list) {
+ if (mall_entry->priority < block->mall.min_prio)
+ block->mall.min_prio = mall_entry->priority;
+ if (mall_entry->priority > block->mall.max_prio)
+ block->mall.max_prio = mall_entry->priority;
+ }
+}
+
+int mlxsw_sp_mall_replace(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_flow_block *block,
+ struct tc_cls_matchall_offload *f)
+{
+ struct mlxsw_sp_flow_block_binding *binding;
+ struct mlxsw_sp_mall_entry *mall_entry;
+ __be16 protocol = f->common.protocol;
+ struct flow_action_entry *act;
+ unsigned int flower_min_prio;
+ unsigned int flower_max_prio;
+ bool flower_prio_valid;
+ int err;
+
+ if (!flow_offload_has_one_action(&f->rule->action)) {
+ NL_SET_ERR_MSG(f->common.extack, "Only singular actions are supported");
+ return -EOPNOTSUPP;
+ }
+
+ if (f->common.chain_index) {
+ NL_SET_ERR_MSG(f->common.extack, "Only chain 0 is supported");
+ return -EOPNOTSUPP;
+ }
+
+ if (mlxsw_sp_flow_block_is_mixed_bound(block)) {
+ NL_SET_ERR_MSG(f->common.extack, "Only not mixed bound blocks are supported");
+ return -EOPNOTSUPP;
+ }
+
+ err = mlxsw_sp_flower_prio_get(mlxsw_sp, block, f->common.chain_index,
+ &flower_min_prio, &flower_max_prio);
+ if (err) {
+ if (err != -ENOENT) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to get flower priorities");
+ return err;
+ }
+ flower_prio_valid = false;
+ /* No flower filters are installed in specified chain. */
+ } else {
+ flower_prio_valid = true;
+ }
+
+ mall_entry = kzalloc(sizeof(*mall_entry), GFP_KERNEL);
+ if (!mall_entry)
+ return -ENOMEM;
+ mall_entry->cookie = f->cookie;
+ mall_entry->priority = f->common.prio;
+ mall_entry->ingress = mlxsw_sp_flow_block_is_ingress_bound(block);
+
+ act = &f->rule->action.entries[0];
+
+ if (act->id == FLOW_ACTION_MIRRED && protocol == htons(ETH_P_ALL)) {
+ if (flower_prio_valid && mall_entry->ingress &&
+ mall_entry->priority >= flower_min_prio) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to add behind existing flower rules");
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+ if (flower_prio_valid && !mall_entry->ingress &&
+ mall_entry->priority <= flower_max_prio) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to add in front of existing flower rules");
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+ mall_entry->type = MLXSW_SP_MALL_ACTION_TYPE_MIRROR;
+ mall_entry->mirror.to_dev = act->dev;
+ } else if (act->id == FLOW_ACTION_SAMPLE &&
+ protocol == htons(ETH_P_ALL)) {
+ if (!mall_entry->ingress) {
+ NL_SET_ERR_MSG(f->common.extack, "Sample is not supported on egress");
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+ if (flower_prio_valid &&
+ mall_entry->priority >= flower_min_prio) {
+ NL_SET_ERR_MSG(f->common.extack, "Failed to add behind existing flower rules");
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+ if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
+ NL_SET_ERR_MSG(f->common.extack, "Sample rate not supported");
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+ mall_entry->type = MLXSW_SP_MALL_ACTION_TYPE_SAMPLE;
+ mall_entry->sample.psample_group = act->sample.psample_group;
+ mall_entry->sample.truncate = act->sample.truncate;
+ mall_entry->sample.trunc_size = act->sample.trunc_size;
+ mall_entry->sample.rate = act->sample.rate;
+ } else {
+ err = -EOPNOTSUPP;
+ goto errout;
+ }
+
+ list_for_each_entry(binding, &block->binding_list, list) {
+ err = mlxsw_sp_mall_port_rule_add(binding->mlxsw_sp_port,
+ mall_entry);
+ if (err)
+ goto rollback;
+ }
+
+ block->rule_count++;
+ if (mall_entry->ingress)
+ block->egress_blocker_rule_count++;
+ else
+ block->ingress_blocker_rule_count++;
+ list_add_tail(&mall_entry->list, &block->mall.list);
+ mlxsw_sp_mall_prio_update(block);
+ return 0;
+
+rollback:
+ list_for_each_entry_continue_reverse(binding, &block->binding_list,
+ list)
+ mlxsw_sp_mall_port_rule_del(binding->mlxsw_sp_port, mall_entry);
+errout:
+ kfree(mall_entry);
+ return err;
+}
+
+void mlxsw_sp_mall_destroy(struct mlxsw_sp_flow_block *block,
+ struct tc_cls_matchall_offload *f)
+{
+ struct mlxsw_sp_flow_block_binding *binding;
+ struct mlxsw_sp_mall_entry *mall_entry;
+
+ mall_entry = mlxsw_sp_mall_entry_find(block, f->cookie);
+ if (!mall_entry) {
+ NL_SET_ERR_MSG(f->common.extack, "Entry not found");
+ return;
+ }
+
+ list_del(&mall_entry->list);
+ if (mall_entry->ingress)
+ block->egress_blocker_rule_count--;
+ else
+ block->ingress_blocker_rule_count--;
+ block->rule_count--;
+ list_for_each_entry(binding, &block->binding_list, list)
+ mlxsw_sp_mall_port_rule_del(binding->mlxsw_sp_port, mall_entry);
+ kfree_rcu(mall_entry, rcu); /* sample RX packets may be in-flight */
+ mlxsw_sp_mall_prio_update(block);
+}
+
+int mlxsw_sp_mall_port_bind(struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ struct mlxsw_sp_mall_entry *mall_entry;
+ int err;
+
+ list_for_each_entry(mall_entry, &block->mall.list, list) {
+ err = mlxsw_sp_mall_port_rule_add(mlxsw_sp_port, mall_entry);
+ if (err)
+ goto rollback;
+ }
+ return 0;
+
+rollback:
+ list_for_each_entry_continue_reverse(mall_entry, &block->mall.list,
+ list)
+ mlxsw_sp_mall_port_rule_del(mlxsw_sp_port, mall_entry);
+ return err;
+}
+
+void mlxsw_sp_mall_port_unbind(struct mlxsw_sp_flow_block *block,
+ struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ struct mlxsw_sp_mall_entry *mall_entry;
+
+ list_for_each_entry(mall_entry, &block->mall.list, list)
+ mlxsw_sp_mall_port_rule_del(mlxsw_sp_port, mall_entry);
+}
+
+int mlxsw_sp_mall_prio_get(struct mlxsw_sp_flow_block *block, u32 chain_index,
+ unsigned int *p_min_prio, unsigned int *p_max_prio)
+{
+ if (chain_index || list_empty(&block->mall.list))
+ /* In case there are no matchall rules, the caller
+ * receives -ENOENT to indicate there is no need
+ * to check the priorities.
+ */
+ return -ENOENT;
+ *p_min_prio = block->mall.min_prio;
+ *p_max_prio = block->mall.max_prio;
+ return 0;
+}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
index 346f4a5fe053..221aa6a474eb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_mr_tcam.c
@@ -199,8 +199,8 @@ mlxsw_sp_mr_tcam_afa_block_create(struct mlxsw_sp *mlxsw_sp,
int err;
afa_block = mlxsw_afa_block_create(mlxsw_sp->afa);
- if (!afa_block)
- return ERR_PTR(-ENOMEM);
+ if (IS_ERR(afa_block))
+ return afa_block;
err = mlxsw_afa_block_append_allocated_counter(afa_block,
counter_index);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index d5bca1be3ef5..770de0222e7b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -2999,6 +2999,7 @@ static u32 mlxsw_sp_nexthop_group_hash_obj(const void *data, u32 len, u32 seed)
for (i = 0; i < nh_grp->count; i++) {
nh = &nh_grp->nexthops[i];
val ^= jhash(&nh->ifindex, sizeof(nh->ifindex), seed);
+ val ^= jhash(&nh->gw_addr, sizeof(nh->gw_addr), seed);
}
return jhash(&val, sizeof(val), seed);
default:
@@ -3012,11 +3013,14 @@ mlxsw_sp_nexthop6_group_hash(struct mlxsw_sp_fib6_entry *fib6_entry, u32 seed)
{
unsigned int val = fib6_entry->nrt6;
struct mlxsw_sp_rt6 *mlxsw_sp_rt6;
- struct net_device *dev;
list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list) {
- dev = mlxsw_sp_rt6->rt->fib6_nh->fib_nh_dev;
+ struct fib6_nh *fib6_nh = mlxsw_sp_rt6->rt->fib6_nh;
+ struct net_device *dev = fib6_nh->fib_nh_dev;
+ struct in6_addr *gw = &fib6_nh->fib_nh_gw6;
+
val ^= jhash(&dev->ifindex, sizeof(dev->ifindex), seed);
+ val ^= jhash(gw, sizeof(*gw), seed);
}
return jhash(&val, sizeof(val), seed);
@@ -4999,9 +5003,11 @@ static bool mlxsw_sp_fib6_rt_should_ignore(const struct fib6_info *rt)
{
/* Packets with link-local destination IP arriving to the router
* are trapped to the CPU, so no need to program specific routes
- * for them.
+ * for them. Only allow prefix routes (usually one fe80::/64) so
+ * that packets are trapped for the right reason.
*/
- if (ipv6_addr_type(&rt->fib6_dst.addr) & IPV6_ADDR_LINKLOCAL)
+ if ((ipv6_addr_type(&rt->fib6_dst.addr) & IPV6_ADDR_LINKLOCAL) &&
+ (rt->fib6_flags & (RTF_LOCAL | RTF_ANYCAST)))
return true;
/* Multicast routes aren't supported, so ignore them. Neighbour
@@ -7568,7 +7574,7 @@ static struct mlxsw_sp_fid *
mlxsw_sp_rif_vlan_fid_get(struct mlxsw_sp_rif *rif,
struct netlink_ext_ack *extack)
{
- struct net_device *br_dev = rif->dev;
+ struct net_device *br_dev;
u16 vid;
int err;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
index 9fb2e9d93929..304eb8c3d8bd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.c
@@ -3,6 +3,8 @@
#include <linux/if_bridge.h>
#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/refcount.h>
#include <linux/rtnetlink.h>
#include <linux/workqueue.h>
#include <net/arp.h>
@@ -19,9 +21,27 @@
struct mlxsw_sp_span {
struct work_struct work;
struct mlxsw_sp *mlxsw_sp;
+ struct list_head analyzed_ports_list;
+ struct mutex analyzed_ports_lock; /* Protects analyzed_ports_list */
+ struct list_head trigger_entries_list;
atomic_t active_entries_count;
int entries_count;
- struct mlxsw_sp_span_entry entries[0];
+ struct mlxsw_sp_span_entry entries[];
+};
+
+struct mlxsw_sp_span_analyzed_port {
+ struct list_head list; /* Member of analyzed_ports_list */
+ refcount_t ref_count;
+ u8 local_port;
+ bool ingress;
+};
+
+struct mlxsw_sp_span_trigger_entry {
+ struct list_head list; /* Member of trigger_entries_list */
+ refcount_t ref_count;
+ u8 local_port;
+ enum mlxsw_sp_span_trigger trigger;
+ struct mlxsw_sp_span_trigger_parms parms;
};
static void mlxsw_sp_span_respin_work(struct work_struct *work);
@@ -48,15 +68,14 @@ int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp)
return -ENOMEM;
span->entries_count = entries_count;
atomic_set(&span->active_entries_count, 0);
+ mutex_init(&span->analyzed_ports_lock);
+ INIT_LIST_HEAD(&span->analyzed_ports_list);
+ INIT_LIST_HEAD(&span->trigger_entries_list);
span->mlxsw_sp = mlxsw_sp;
mlxsw_sp->span = span;
- for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
-
- INIT_LIST_HEAD(&curr->bound_ports_list);
- curr->id = i;
- }
+ for (i = 0; i < mlxsw_sp->span->entries_count; i++)
+ mlxsw_sp->span->entries[i].id = i;
devlink_resource_occ_get_register(devlink, MLXSW_SP_RESOURCE_SPAN,
mlxsw_sp_span_occ_get, mlxsw_sp);
@@ -68,16 +87,13 @@ int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp)
void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
- int i;
cancel_work_sync(&mlxsw_sp->span->work);
devlink_resource_occ_get_unregister(devlink, MLXSW_SP_RESOURCE_SPAN);
- for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
-
- WARN_ON_ONCE(!list_empty(&curr->bound_ports_list));
- }
+ WARN_ON_ONCE(!list_empty(&mlxsw_sp->span->trigger_entries_list));
+ WARN_ON_ONCE(!list_empty(&mlxsw_sp->span->analyzed_ports_list));
+ mutex_destroy(&mlxsw_sp->span->analyzed_ports_lock);
kfree(mlxsw_sp->span);
}
@@ -130,7 +146,7 @@ mlxsw_sp_span_entry_phys_deconfigure(struct mlxsw_sp_span_entry *span_entry)
static const
struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_phys = {
.can_handle = mlxsw_sp_port_dev_check,
- .parms = mlxsw_sp_span_entry_phys_parms,
+ .parms_set = mlxsw_sp_span_entry_phys_parms,
.configure = mlxsw_sp_span_entry_phys_configure,
.deconfigure = mlxsw_sp_span_entry_phys_deconfigure,
};
@@ -418,7 +434,7 @@ mlxsw_sp_span_entry_gretap4_deconfigure(struct mlxsw_sp_span_entry *span_entry)
static const struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_gretap4 = {
.can_handle = netif_is_gretap,
- .parms = mlxsw_sp_span_entry_gretap4_parms,
+ .parms_set = mlxsw_sp_span_entry_gretap4_parms,
.configure = mlxsw_sp_span_entry_gretap4_configure,
.deconfigure = mlxsw_sp_span_entry_gretap4_deconfigure,
};
@@ -519,7 +535,7 @@ mlxsw_sp_span_entry_gretap6_deconfigure(struct mlxsw_sp_span_entry *span_entry)
static const
struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_gretap6 = {
.can_handle = netif_is_ip6gretap,
- .parms = mlxsw_sp_span_entry_gretap6_parms,
+ .parms_set = mlxsw_sp_span_entry_gretap6_parms,
.configure = mlxsw_sp_span_entry_gretap6_configure,
.deconfigure = mlxsw_sp_span_entry_gretap6_deconfigure,
};
@@ -575,7 +591,7 @@ mlxsw_sp_span_entry_vlan_deconfigure(struct mlxsw_sp_span_entry *span_entry)
static const
struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_vlan = {
.can_handle = mlxsw_sp_span_vlan_can_handle,
- .parms = mlxsw_sp_span_entry_vlan_parms,
+ .parms_set = mlxsw_sp_span_entry_vlan_parms,
.configure = mlxsw_sp_span_entry_vlan_configure,
.deconfigure = mlxsw_sp_span_entry_vlan_deconfigure,
};
@@ -612,7 +628,7 @@ mlxsw_sp_span_entry_nop_deconfigure(struct mlxsw_sp_span_entry *span_entry)
}
static const struct mlxsw_sp_span_entry_ops mlxsw_sp_span_entry_ops_nop = {
- .parms = mlxsw_sp_span_entry_nop_parms,
+ .parms_set = mlxsw_sp_span_entry_nop_parms,
.configure = mlxsw_sp_span_entry_nop_configure,
.deconfigure = mlxsw_sp_span_entry_nop_deconfigure,
};
@@ -622,18 +638,27 @@ mlxsw_sp_span_entry_configure(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_span_entry *span_entry,
struct mlxsw_sp_span_parms sparms)
{
- if (sparms.dest_port) {
- if (sparms.dest_port->mlxsw_sp != mlxsw_sp) {
- netdev_err(span_entry->to_dev, "Cannot mirror to %s, which belongs to a different mlxsw instance",
- sparms.dest_port->dev->name);
- sparms.dest_port = NULL;
- } else if (span_entry->ops->configure(span_entry, sparms)) {
- netdev_err(span_entry->to_dev, "Failed to offload mirror to %s",
- sparms.dest_port->dev->name);
- sparms.dest_port = NULL;
- }
+ int err;
+
+ if (!sparms.dest_port)
+ goto set_parms;
+
+ if (sparms.dest_port->mlxsw_sp != mlxsw_sp) {
+ netdev_err(span_entry->to_dev, "Cannot mirror to %s, which belongs to a different mlxsw instance",
+ sparms.dest_port->dev->name);
+ sparms.dest_port = NULL;
+ goto set_parms;
+ }
+
+ err = span_entry->ops->configure(span_entry, sparms);
+ if (err) {
+ netdev_err(span_entry->to_dev, "Failed to offload mirror to %s",
+ sparms.dest_port->dev->name);
+ sparms.dest_port = NULL;
+ goto set_parms;
}
+set_parms:
span_entry->parms = sparms;
}
@@ -655,7 +680,7 @@ mlxsw_sp_span_entry_create(struct mlxsw_sp *mlxsw_sp,
/* find a free entry to use */
for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- if (!mlxsw_sp->span->entries[i].ref_count) {
+ if (!refcount_read(&mlxsw_sp->span->entries[i].ref_count)) {
span_entry = &mlxsw_sp->span->entries[i];
break;
}
@@ -665,7 +690,7 @@ mlxsw_sp_span_entry_create(struct mlxsw_sp *mlxsw_sp,
atomic_inc(&mlxsw_sp->span->active_entries_count);
span_entry->ops = ops;
- span_entry->ref_count = 1;
+ refcount_set(&span_entry->ref_count, 1);
span_entry->to_dev = to_dev;
mlxsw_sp_span_entry_configure(mlxsw_sp, span_entry, sparms);
@@ -688,7 +713,7 @@ mlxsw_sp_span_entry_find_by_port(struct mlxsw_sp *mlxsw_sp,
for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
- if (curr->ref_count && curr->to_dev == to_dev)
+ if (refcount_read(&curr->ref_count) && curr->to_dev == to_dev)
return curr;
}
return NULL;
@@ -709,7 +734,7 @@ mlxsw_sp_span_entry_find_by_id(struct mlxsw_sp *mlxsw_sp, int span_id)
for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
- if (curr->ref_count && curr->id == span_id)
+ if (refcount_read(&curr->ref_count) && curr->id == span_id)
return curr;
}
return NULL;
@@ -726,7 +751,7 @@ mlxsw_sp_span_entry_get(struct mlxsw_sp *mlxsw_sp,
span_entry = mlxsw_sp_span_entry_find_by_port(mlxsw_sp, to_dev);
if (span_entry) {
/* Already exists, just take a reference */
- span_entry->ref_count++;
+ refcount_inc(&span_entry->ref_count);
return span_entry;
}
@@ -736,32 +761,13 @@ mlxsw_sp_span_entry_get(struct mlxsw_sp *mlxsw_sp,
static int mlxsw_sp_span_entry_put(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_span_entry *span_entry)
{
- WARN_ON(!span_entry->ref_count);
- if (--span_entry->ref_count == 0)
+ if (refcount_dec_and_test(&span_entry->ref_count))
mlxsw_sp_span_entry_destroy(mlxsw_sp, span_entry);
return 0;
}
-static bool mlxsw_sp_span_is_egress_mirror(struct mlxsw_sp_port *port)
-{
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
- struct mlxsw_sp_span_inspected_port *p;
- int i;
-
- for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
-
- list_for_each_entry(p, &curr->bound_ports_list, list)
- if (p->local_port == port->local_port &&
- p->type == MLXSW_SP_SPAN_EGRESS)
- return true;
- }
-
- return false;
-}
-
static int
-mlxsw_sp_span_port_buffsize_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
+mlxsw_sp_span_port_buffer_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
char sbib_pl[MLXSW_REG_SBIB_LEN];
@@ -780,20 +786,54 @@ mlxsw_sp_span_port_buffsize_update(struct mlxsw_sp_port *mlxsw_sp_port, u16 mtu)
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
}
+static void mlxsw_sp_span_port_buffer_disable(struct mlxsw_sp *mlxsw_sp,
+ u8 local_port)
+{
+ char sbib_pl[MLXSW_REG_SBIB_LEN];
+
+ mlxsw_reg_sbib_pack(sbib_pl, local_port, 0);
+ mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
+}
+
+static struct mlxsw_sp_span_analyzed_port *
+mlxsw_sp_span_analyzed_port_find(struct mlxsw_sp_span *span, u8 local_port,
+ bool ingress)
+{
+ struct mlxsw_sp_span_analyzed_port *analyzed_port;
+
+ list_for_each_entry(analyzed_port, &span->analyzed_ports_list, list) {
+ if (analyzed_port->local_port == local_port &&
+ analyzed_port->ingress == ingress)
+ return analyzed_port;
+ }
+
+ return NULL;
+}
+
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu)
{
+ struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
+ int err = 0;
+
/* If port is egress mirrored, the shared buffer size should be
* updated according to the mtu value
*/
- if (mlxsw_sp_span_is_egress_mirror(port))
- return mlxsw_sp_span_port_buffsize_update(port, mtu);
- return 0;
+ mutex_lock(&mlxsw_sp->span->analyzed_ports_lock);
+
+ if (mlxsw_sp_span_analyzed_port_find(mlxsw_sp->span, port->local_port,
+ false))
+ err = mlxsw_sp_span_port_buffer_update(port, mtu);
+
+ mutex_unlock(&mlxsw_sp->span->analyzed_ports_lock);
+
+ return err;
}
void mlxsw_sp_span_speed_update_work(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct mlxsw_sp_port *mlxsw_sp_port;
+ struct mlxsw_sp *mlxsw_sp;
mlxsw_sp_port = container_of(dwork, struct mlxsw_sp_port,
span.speed_update_dw);
@@ -801,237 +841,368 @@ void mlxsw_sp_span_speed_update_work(struct work_struct *work)
/* If port is egress mirrored, the shared buffer size should be
* updated according to the speed value.
*/
- if (mlxsw_sp_span_is_egress_mirror(mlxsw_sp_port))
- mlxsw_sp_span_port_buffsize_update(mlxsw_sp_port,
- mlxsw_sp_port->dev->mtu);
+ mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ mutex_lock(&mlxsw_sp->span->analyzed_ports_lock);
+
+ if (mlxsw_sp_span_analyzed_port_find(mlxsw_sp->span,
+ mlxsw_sp_port->local_port, false))
+ mlxsw_sp_span_port_buffer_update(mlxsw_sp_port,
+ mlxsw_sp_port->dev->mtu);
+
+ mutex_unlock(&mlxsw_sp->span->analyzed_ports_lock);
}
-static struct mlxsw_sp_span_inspected_port *
-mlxsw_sp_span_entry_bound_port_find(struct mlxsw_sp_span_entry *span_entry,
- enum mlxsw_sp_span_type type,
- struct mlxsw_sp_port *port,
- bool bind)
+static const struct mlxsw_sp_span_entry_ops *
+mlxsw_sp_span_entry_ops(struct mlxsw_sp *mlxsw_sp,
+ const struct net_device *to_dev)
{
- struct mlxsw_sp_span_inspected_port *p;
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sp_span_entry_types); ++i)
+ if (mlxsw_sp_span_entry_types[i]->can_handle(to_dev))
+ return mlxsw_sp_span_entry_types[i];
- list_for_each_entry(p, &span_entry->bound_ports_list, list)
- if (type == p->type &&
- port->local_port == p->local_port &&
- bind == p->bound)
- return p;
return NULL;
}
-static int
-mlxsw_sp_span_inspected_port_bind(struct mlxsw_sp_port *port,
- struct mlxsw_sp_span_entry *span_entry,
- enum mlxsw_sp_span_type type,
- bool bind)
+static void mlxsw_sp_span_respin_work(struct work_struct *work)
{
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
- char mpar_pl[MLXSW_REG_MPAR_LEN];
- int pa_id = span_entry->id;
+ struct mlxsw_sp_span *span;
+ struct mlxsw_sp *mlxsw_sp;
+ int i, err;
+
+ span = container_of(work, struct mlxsw_sp_span, work);
+ mlxsw_sp = span->mlxsw_sp;
+
+ rtnl_lock();
+ for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
+ struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
+ struct mlxsw_sp_span_parms sparms = {NULL};
+
+ if (!refcount_read(&curr->ref_count))
+ continue;
- /* bind the port to the SPAN entry */
- mlxsw_reg_mpar_pack(mpar_pl, port->local_port,
- (enum mlxsw_reg_mpar_i_e)type, bind, pa_id);
- return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl);
+ err = curr->ops->parms_set(curr->to_dev, &sparms);
+ if (err)
+ continue;
+
+ if (memcmp(&sparms, &curr->parms, sizeof(sparms))) {
+ mlxsw_sp_span_entry_deconfigure(curr);
+ mlxsw_sp_span_entry_configure(mlxsw_sp, curr, sparms);
+ }
+ }
+ rtnl_unlock();
}
-static int
-mlxsw_sp_span_inspected_port_add(struct mlxsw_sp_port *port,
- struct mlxsw_sp_span_entry *span_entry,
- enum mlxsw_sp_span_type type,
- bool bind)
+void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp)
{
- struct mlxsw_sp_span_inspected_port *inspected_port;
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
- char sbib_pl[MLXSW_REG_SBIB_LEN];
- int i;
+ if (atomic_read(&mlxsw_sp->span->active_entries_count) == 0)
+ return;
+ mlxsw_core_schedule_work(&mlxsw_sp->span->work);
+}
+
+int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp,
+ const struct net_device *to_dev, int *p_span_id)
+{
+ const struct mlxsw_sp_span_entry_ops *ops;
+ struct mlxsw_sp_span_entry *span_entry;
+ struct mlxsw_sp_span_parms sparms;
int err;
- /* A given (source port, direction) can only be bound to one analyzer,
- * so if a binding is requested, check for conflicts.
- */
- if (bind)
- for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- struct mlxsw_sp_span_entry *curr =
- &mlxsw_sp->span->entries[i];
-
- if (mlxsw_sp_span_entry_bound_port_find(curr, type,
- port, bind))
- return -EEXIST;
- }
+ ASSERT_RTNL();
- /* if it is an egress SPAN, bind a shared buffer to it */
- if (type == MLXSW_SP_SPAN_EGRESS) {
- err = mlxsw_sp_span_port_buffsize_update(port, port->dev->mtu);
- if (err)
- return err;
+ ops = mlxsw_sp_span_entry_ops(mlxsw_sp, to_dev);
+ if (!ops) {
+ dev_err(mlxsw_sp->bus_info->dev, "Cannot mirror to requested destination\n");
+ return -EOPNOTSUPP;
}
- if (bind) {
- err = mlxsw_sp_span_inspected_port_bind(port, span_entry, type,
- true);
- if (err)
- goto err_port_bind;
- }
+ memset(&sparms, 0, sizeof(sparms));
+ err = ops->parms_set(to_dev, &sparms);
+ if (err)
+ return err;
- inspected_port = kzalloc(sizeof(*inspected_port), GFP_KERNEL);
- if (!inspected_port) {
- err = -ENOMEM;
- goto err_inspected_port_alloc;
- }
- inspected_port->local_port = port->local_port;
- inspected_port->type = type;
- inspected_port->bound = bind;
- list_add_tail(&inspected_port->list, &span_entry->bound_ports_list);
+ span_entry = mlxsw_sp_span_entry_get(mlxsw_sp, to_dev, ops, sparms);
+ if (!span_entry)
+ return -ENOBUFS;
+
+ *p_span_id = span_entry->id;
return 0;
+}
-err_inspected_port_alloc:
- if (bind)
- mlxsw_sp_span_inspected_port_bind(port, span_entry, type,
- false);
-err_port_bind:
- if (type == MLXSW_SP_SPAN_EGRESS) {
- mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0);
- mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
+void mlxsw_sp_span_agent_put(struct mlxsw_sp *mlxsw_sp, int span_id)
+{
+ struct mlxsw_sp_span_entry *span_entry;
+
+ ASSERT_RTNL();
+
+ span_entry = mlxsw_sp_span_entry_find_by_id(mlxsw_sp, span_id);
+ if (WARN_ON_ONCE(!span_entry))
+ return;
+
+ mlxsw_sp_span_entry_put(mlxsw_sp, span_entry);
+}
+
+static struct mlxsw_sp_span_analyzed_port *
+mlxsw_sp_span_analyzed_port_create(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
+{
+ struct mlxsw_sp_span_analyzed_port *analyzed_port;
+ int err;
+
+ analyzed_port = kzalloc(sizeof(*analyzed_port), GFP_KERNEL);
+ if (!analyzed_port)
+ return ERR_PTR(-ENOMEM);
+
+ refcount_set(&analyzed_port->ref_count, 1);
+ analyzed_port->local_port = mlxsw_sp_port->local_port;
+ analyzed_port->ingress = ingress;
+ list_add_tail(&analyzed_port->list, &span->analyzed_ports_list);
+
+ /* An egress mirror buffer should be allocated on the egress port which
+ * does the mirroring.
+ */
+ if (!ingress) {
+ u16 mtu = mlxsw_sp_port->dev->mtu;
+
+ err = mlxsw_sp_span_port_buffer_update(mlxsw_sp_port, mtu);
+ if (err)
+ goto err_buffer_update;
}
- return err;
+
+ return analyzed_port;
+
+err_buffer_update:
+ list_del(&analyzed_port->list);
+ kfree(analyzed_port);
+ return ERR_PTR(err);
}
static void
-mlxsw_sp_span_inspected_port_del(struct mlxsw_sp_port *port,
- struct mlxsw_sp_span_entry *span_entry,
- enum mlxsw_sp_span_type type,
- bool bind)
+mlxsw_sp_span_analyzed_port_destroy(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_span_analyzed_port *
+ analyzed_port)
{
- struct mlxsw_sp_span_inspected_port *inspected_port;
- struct mlxsw_sp *mlxsw_sp = port->mlxsw_sp;
- char sbib_pl[MLXSW_REG_SBIB_LEN];
+ struct mlxsw_sp *mlxsw_sp = span->mlxsw_sp;
- inspected_port = mlxsw_sp_span_entry_bound_port_find(span_entry, type,
- port, bind);
- if (!inspected_port)
- return;
+ /* Remove egress mirror buffer now that port is no longer analyzed
+ * at egress.
+ */
+ if (!analyzed_port->ingress)
+ mlxsw_sp_span_port_buffer_disable(mlxsw_sp,
+ analyzed_port->local_port);
+
+ list_del(&analyzed_port->list);
+ kfree(analyzed_port);
+}
+
+int mlxsw_sp_span_analyzed_port_get(struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
+{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_span_analyzed_port *analyzed_port;
+ u8 local_port = mlxsw_sp_port->local_port;
+ int err = 0;
+
+ mutex_lock(&mlxsw_sp->span->analyzed_ports_lock);
- if (bind)
- mlxsw_sp_span_inspected_port_bind(port, span_entry, type,
- false);
- /* remove the SBIB buffer if it was egress SPAN */
- if (type == MLXSW_SP_SPAN_EGRESS) {
- mlxsw_reg_sbib_pack(sbib_pl, port->local_port, 0);
- mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sbib), sbib_pl);
+ analyzed_port = mlxsw_sp_span_analyzed_port_find(mlxsw_sp->span,
+ local_port, ingress);
+ if (analyzed_port) {
+ refcount_inc(&analyzed_port->ref_count);
+ goto out_unlock;
}
- mlxsw_sp_span_entry_put(mlxsw_sp, span_entry);
+ analyzed_port = mlxsw_sp_span_analyzed_port_create(mlxsw_sp->span,
+ mlxsw_sp_port,
+ ingress);
+ if (IS_ERR(analyzed_port))
+ err = PTR_ERR(analyzed_port);
- list_del(&inspected_port->list);
- kfree(inspected_port);
+out_unlock:
+ mutex_unlock(&mlxsw_sp->span->analyzed_ports_lock);
+ return err;
}
-static const struct mlxsw_sp_span_entry_ops *
-mlxsw_sp_span_entry_ops(struct mlxsw_sp *mlxsw_sp,
- const struct net_device *to_dev)
+void mlxsw_sp_span_analyzed_port_put(struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress)
{
- size_t i;
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+ struct mlxsw_sp_span_analyzed_port *analyzed_port;
+ u8 local_port = mlxsw_sp_port->local_port;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_span_entry_types); ++i)
- if (mlxsw_sp_span_entry_types[i]->can_handle(to_dev))
- return mlxsw_sp_span_entry_types[i];
+ mutex_lock(&mlxsw_sp->span->analyzed_ports_lock);
- return NULL;
+ analyzed_port = mlxsw_sp_span_analyzed_port_find(mlxsw_sp->span,
+ local_port, ingress);
+ if (WARN_ON_ONCE(!analyzed_port))
+ goto out_unlock;
+
+ if (!refcount_dec_and_test(&analyzed_port->ref_count))
+ goto out_unlock;
+
+ mlxsw_sp_span_analyzed_port_destroy(mlxsw_sp->span, analyzed_port);
+
+out_unlock:
+ mutex_unlock(&mlxsw_sp->span->analyzed_ports_lock);
}
-int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from,
- const struct net_device *to_dev,
- enum mlxsw_sp_span_type type, bool bind,
- int *p_span_id)
+static int
+__mlxsw_sp_span_trigger_entry_bind(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_span_trigger_entry *
+ trigger_entry, bool enable)
{
- struct mlxsw_sp *mlxsw_sp = from->mlxsw_sp;
- const struct mlxsw_sp_span_entry_ops *ops;
- struct mlxsw_sp_span_parms sparms = {NULL};
- struct mlxsw_sp_span_entry *span_entry;
- int err;
-
- ops = mlxsw_sp_span_entry_ops(mlxsw_sp, to_dev);
- if (!ops) {
- netdev_err(to_dev, "Cannot mirror to %s", to_dev->name);
- return -EOPNOTSUPP;
+ char mpar_pl[MLXSW_REG_MPAR_LEN];
+ enum mlxsw_reg_mpar_i_e i_e;
+
+ switch (trigger_entry->trigger) {
+ case MLXSW_SP_SPAN_TRIGGER_INGRESS:
+ i_e = MLXSW_REG_MPAR_TYPE_INGRESS;
+ break;
+ case MLXSW_SP_SPAN_TRIGGER_EGRESS:
+ i_e = MLXSW_REG_MPAR_TYPE_EGRESS;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return -EINVAL;
}
- err = ops->parms(to_dev, &sparms);
- if (err)
- return err;
+ mlxsw_reg_mpar_pack(mpar_pl, trigger_entry->local_port, i_e, enable,
+ trigger_entry->parms.span_id);
+ return mlxsw_reg_write(span->mlxsw_sp->core, MLXSW_REG(mpar), mpar_pl);
+}
- span_entry = mlxsw_sp_span_entry_get(mlxsw_sp, to_dev, ops, sparms);
- if (!span_entry)
- return -ENOBUFS;
+static int
+mlxsw_sp_span_trigger_entry_bind(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_span_trigger_entry *
+ trigger_entry)
+{
+ return __mlxsw_sp_span_trigger_entry_bind(span, trigger_entry, true);
+}
- netdev_dbg(from->dev, "Adding inspected port to SPAN entry %d\n",
- span_entry->id);
+static void
+mlxsw_sp_span_trigger_entry_unbind(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_span_trigger_entry *
+ trigger_entry)
+{
+ __mlxsw_sp_span_trigger_entry_bind(span, trigger_entry, false);
+}
- err = mlxsw_sp_span_inspected_port_add(from, span_entry, type, bind);
+static struct mlxsw_sp_span_trigger_entry *
+mlxsw_sp_span_trigger_entry_create(struct mlxsw_sp_span *span,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ const struct mlxsw_sp_span_trigger_parms
+ *parms)
+{
+ struct mlxsw_sp_span_trigger_entry *trigger_entry;
+ int err;
+
+ trigger_entry = kzalloc(sizeof(*trigger_entry), GFP_KERNEL);
+ if (!trigger_entry)
+ return ERR_PTR(-ENOMEM);
+
+ refcount_set(&trigger_entry->ref_count, 1);
+ trigger_entry->local_port = mlxsw_sp_port->local_port;
+ trigger_entry->trigger = trigger;
+ memcpy(&trigger_entry->parms, parms, sizeof(trigger_entry->parms));
+ list_add_tail(&trigger_entry->list, &span->trigger_entries_list);
+
+ err = mlxsw_sp_span_trigger_entry_bind(span, trigger_entry);
if (err)
- goto err_port_bind;
+ goto err_trigger_entry_bind;
- *p_span_id = span_entry->id;
- return 0;
+ return trigger_entry;
-err_port_bind:
- mlxsw_sp_span_entry_put(mlxsw_sp, span_entry);
- return err;
+err_trigger_entry_bind:
+ list_del(&trigger_entry->list);
+ kfree(trigger_entry);
+ return ERR_PTR(err);
}
-void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, int span_id,
- enum mlxsw_sp_span_type type, bool bind)
+static void
+mlxsw_sp_span_trigger_entry_destroy(struct mlxsw_sp_span *span,
+ struct mlxsw_sp_span_trigger_entry *
+ trigger_entry)
{
- struct mlxsw_sp_span_entry *span_entry;
+ mlxsw_sp_span_trigger_entry_unbind(span, trigger_entry);
+ list_del(&trigger_entry->list);
+ kfree(trigger_entry);
+}
- span_entry = mlxsw_sp_span_entry_find_by_id(from->mlxsw_sp, span_id);
- if (!span_entry) {
- netdev_err(from->dev, "no span entry found\n");
- return;
+static struct mlxsw_sp_span_trigger_entry *
+mlxsw_sp_span_trigger_entry_find(struct mlxsw_sp_span *span,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ struct mlxsw_sp_span_trigger_entry *trigger_entry;
+
+ list_for_each_entry(trigger_entry, &span->trigger_entries_list, list) {
+ if (trigger_entry->trigger == trigger &&
+ trigger_entry->local_port == mlxsw_sp_port->local_port)
+ return trigger_entry;
}
- netdev_dbg(from->dev, "removing inspected port from SPAN entry %d\n",
- span_entry->id);
- mlxsw_sp_span_inspected_port_del(from, span_entry, type, bind);
+ return NULL;
}
-static void mlxsw_sp_span_respin_work(struct work_struct *work)
+int mlxsw_sp_span_agent_bind(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ const struct mlxsw_sp_span_trigger_parms *parms)
{
- struct mlxsw_sp_span *span;
- struct mlxsw_sp *mlxsw_sp;
- int i, err;
+ struct mlxsw_sp_span_trigger_entry *trigger_entry;
+ int err = 0;
- span = container_of(work, struct mlxsw_sp_span, work);
- mlxsw_sp = span->mlxsw_sp;
+ ASSERT_RTNL();
- rtnl_lock();
- for (i = 0; i < mlxsw_sp->span->entries_count; i++) {
- struct mlxsw_sp_span_entry *curr = &mlxsw_sp->span->entries[i];
- struct mlxsw_sp_span_parms sparms = {NULL};
+ if (!mlxsw_sp_span_entry_find_by_id(mlxsw_sp, parms->span_id))
+ return -EINVAL;
- if (!curr->ref_count)
- continue;
+ trigger_entry = mlxsw_sp_span_trigger_entry_find(mlxsw_sp->span,
+ trigger,
+ mlxsw_sp_port);
+ if (trigger_entry) {
+ if (trigger_entry->parms.span_id != parms->span_id)
+ return -EINVAL;
+ refcount_inc(&trigger_entry->ref_count);
+ goto out;
+ }
- err = curr->ops->parms(curr->to_dev, &sparms);
- if (err)
- continue;
+ trigger_entry = mlxsw_sp_span_trigger_entry_create(mlxsw_sp->span,
+ trigger,
+ mlxsw_sp_port,
+ parms);
+ if (IS_ERR(trigger_entry))
+ err = PTR_ERR(trigger_entry);
- if (memcmp(&sparms, &curr->parms, sizeof(sparms))) {
- mlxsw_sp_span_entry_deconfigure(curr);
- mlxsw_sp_span_entry_configure(mlxsw_sp, curr, sparms);
- }
- }
- rtnl_unlock();
+out:
+ return err;
}
-void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp)
+void mlxsw_sp_span_agent_unbind(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ const struct mlxsw_sp_span_trigger_parms *parms)
{
- if (atomic_read(&mlxsw_sp->span->active_entries_count) == 0)
+ struct mlxsw_sp_span_trigger_entry *trigger_entry;
+
+ ASSERT_RTNL();
+
+ if (WARN_ON_ONCE(!mlxsw_sp_span_entry_find_by_id(mlxsw_sp,
+ parms->span_id)))
return;
- mlxsw_core_schedule_work(&mlxsw_sp->span->work);
+
+ trigger_entry = mlxsw_sp_span_trigger_entry_find(mlxsw_sp->span,
+ trigger,
+ mlxsw_sp_port);
+ if (WARN_ON_ONCE(!trigger_entry))
+ return;
+
+ if (!refcount_dec_and_test(&trigger_entry->ref_count))
+ return;
+
+ mlxsw_sp_span_trigger_entry_destroy(mlxsw_sp->span, trigger_entry);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
index 59724335525f..9f6dd2d0f4e6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_span.h
@@ -6,26 +6,13 @@
#include <linux/types.h>
#include <linux/if_ether.h>
+#include <linux/refcount.h>
#include "spectrum_router.h"
struct mlxsw_sp;
struct mlxsw_sp_port;
-enum mlxsw_sp_span_type {
- MLXSW_SP_SPAN_EGRESS,
- MLXSW_SP_SPAN_INGRESS
-};
-
-struct mlxsw_sp_span_inspected_port {
- struct list_head list;
- enum mlxsw_sp_span_type type;
- u8 local_port;
-
- /* Whether this is a directly bound mirror (port-to-port) or an ACL. */
- bool bound;
-};
-
struct mlxsw_sp_span_parms {
struct mlxsw_sp_port *dest_port; /* NULL for unoffloaded SPAN. */
unsigned int ttl;
@@ -36,21 +23,29 @@ struct mlxsw_sp_span_parms {
u16 vid;
};
+enum mlxsw_sp_span_trigger {
+ MLXSW_SP_SPAN_TRIGGER_INGRESS,
+ MLXSW_SP_SPAN_TRIGGER_EGRESS,
+};
+
+struct mlxsw_sp_span_trigger_parms {
+ int span_id;
+};
+
struct mlxsw_sp_span_entry_ops;
struct mlxsw_sp_span_entry {
const struct net_device *to_dev;
const struct mlxsw_sp_span_entry_ops *ops;
struct mlxsw_sp_span_parms parms;
- struct list_head bound_ports_list;
- int ref_count;
+ refcount_t ref_count;
int id;
};
struct mlxsw_sp_span_entry_ops {
bool (*can_handle)(const struct net_device *to_dev);
- int (*parms)(const struct net_device *to_dev,
- struct mlxsw_sp_span_parms *sparmsp);
+ int (*parms_set)(const struct net_device *to_dev,
+ struct mlxsw_sp_span_parms *sparmsp);
int (*configure)(struct mlxsw_sp_span_entry *span_entry,
struct mlxsw_sp_span_parms sparms);
void (*deconfigure)(struct mlxsw_sp_span_entry *span_entry);
@@ -60,12 +55,6 @@ int mlxsw_sp_span_init(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_span_fini(struct mlxsw_sp *mlxsw_sp);
void mlxsw_sp_span_respin(struct mlxsw_sp *mlxsw_sp);
-int mlxsw_sp_span_mirror_add(struct mlxsw_sp_port *from,
- const struct net_device *to_dev,
- enum mlxsw_sp_span_type type,
- bool bind, int *p_span_id);
-void mlxsw_sp_span_mirror_del(struct mlxsw_sp_port *from, int span_id,
- enum mlxsw_sp_span_type type, bool bind);
struct mlxsw_sp_span_entry *
mlxsw_sp_span_entry_find_by_port(struct mlxsw_sp *mlxsw_sp,
const struct net_device *to_dev);
@@ -76,4 +65,21 @@ void mlxsw_sp_span_entry_invalidate(struct mlxsw_sp *mlxsw_sp,
int mlxsw_sp_span_port_mtu_update(struct mlxsw_sp_port *port, u16 mtu);
void mlxsw_sp_span_speed_update_work(struct work_struct *work);
+int mlxsw_sp_span_agent_get(struct mlxsw_sp *mlxsw_sp,
+ const struct net_device *to_dev, int *p_span_id);
+void mlxsw_sp_span_agent_put(struct mlxsw_sp *mlxsw_sp, int span_id);
+int mlxsw_sp_span_analyzed_port_get(struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress);
+void mlxsw_sp_span_analyzed_port_put(struct mlxsw_sp_port *mlxsw_sp_port,
+ bool ingress);
+int mlxsw_sp_span_agent_bind(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ const struct mlxsw_sp_span_trigger_parms *parms);
+void
+mlxsw_sp_span_agent_unbind(struct mlxsw_sp *mlxsw_sp,
+ enum mlxsw_sp_span_trigger trigger,
+ struct mlxsw_sp_port *mlxsw_sp_port,
+ const struct mlxsw_sp_span_trigger_parms *parms);
+
#endif
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
index fbf714d027d8..157a42c63066 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -12,6 +12,24 @@
#include "spectrum.h"
#include "spectrum_trap.h"
+struct mlxsw_sp_trap_policer_item {
+ struct devlink_trap_policer policer;
+ u16 hw_id;
+};
+
+struct mlxsw_sp_trap_group_item {
+ struct devlink_trap_group group;
+ u16 hw_group_id;
+ u8 priority;
+};
+
+#define MLXSW_SP_TRAP_LISTENERS_MAX 3
+
+struct mlxsw_sp_trap_item {
+ struct devlink_trap trap;
+ struct mlxsw_listener listeners_arr[MLXSW_SP_TRAP_LISTENERS_MAX];
+};
+
/* All driver-specific traps must be documented in
* Documentation/networking/devlink/mlxsw.rst
*/
@@ -107,8 +125,8 @@ static void mlxsw_sp_rx_acl_drop_listener(struct sk_buff *skb, u8 local_port,
consume_skb(skb);
}
-static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
- void *trap_ctx)
+static int __mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
{
struct devlink_port *in_devlink_port;
struct mlxsw_sp_port *mlxsw_sp_port;
@@ -121,7 +139,7 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port);
if (err)
- return;
+ return err;
devlink = priv_to_devlink(mlxsw_sp->core);
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
@@ -129,10 +147,71 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
skb_push(skb, ETH_HLEN);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL);
skb_pull(skb, ETH_HLEN);
- skb->offload_fwd_mark = 1;
+
+ return 0;
+}
+
+static void mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
+{
+ int err;
+
+ err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
+ if (err)
+ return;
+
netif_receive_skb(skb);
}
+static void mlxsw_sp_rx_mark_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
+{
+ skb->offload_fwd_mark = 1;
+ mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
+}
+
+static void mlxsw_sp_rx_l3_mark_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
+{
+ skb->offload_l3_fwd_mark = 1;
+ skb->offload_fwd_mark = 1;
+ mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
+}
+
+static void mlxsw_sp_rx_ptp_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
+{
+ struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
+ int err;
+
+ err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
+ if (err)
+ return;
+
+ /* The PTP handler expects skb->data to point to the start of the
+ * Ethernet header.
+ */
+ skb_push(skb, ETH_HLEN);
+ mlxsw_sp_ptp_receive(mlxsw_sp, skb, local_port);
+}
+
+static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u8 local_port,
+ void *trap_ctx)
+{
+ struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
+ int err;
+
+ err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
+ if (err)
+ return;
+
+ /* The sample handler expects skb->data to point to the start of the
+ * Ethernet header.
+ */
+ skb_push(skb, ETH_HLEN);
+ mlxsw_sp_sample_receive(mlxsw_sp, skb, local_port);
+}
+
#define MLXSW_SP_TRAP_DROP(_id, _group_id) \
DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
@@ -154,6 +233,11 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA)
+#define MLXSW_SP_TRAP_CONTROL(_id, _group_id, _action) \
+ DEVLINK_TRAP_GENERIC(CONTROL, _action, _id, \
+ DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
+ MLXSW_SP_TRAP_METADATA)
+
#define MLXSW_SP_RXL_DISCARD(_id, _group_id) \
MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, DISCARD_##_id, \
TRAP_EXCEPTION_TO_CPU, false, SP_##_group_id, \
@@ -165,9 +249,21 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
SET_FW_DEFAULT, SP_##_dis_group_id)
#define MLXSW_SP_RXL_EXCEPTION(_id, _group_id, _action) \
- MLXSW_RXL(mlxsw_sp_rx_exception_listener, _id, \
+ MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, \
_action, false, SP_##_group_id, SET_FW_DEFAULT)
+#define MLXSW_SP_RXL_NO_MARK(_id, _group_id, _action, _is_ctrl) \
+ MLXSW_RXL(mlxsw_sp_rx_no_mark_listener, _id, _action, \
+ _is_ctrl, SP_##_group_id, DISCARD)
+
+#define MLXSW_SP_RXL_MARK(_id, _group_id, _action, _is_ctrl) \
+ MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, _action, _is_ctrl, \
+ SP_##_group_id, DISCARD)
+
+#define MLXSW_SP_RXL_L3_MARK(_id, _group_id, _action, _is_ctrl) \
+ MLXSW_RXL(mlxsw_sp_rx_l3_mark_listener, _id, _action, _is_ctrl, \
+ SP_##_group_id, DISCARD)
+
#define MLXSW_SP_TRAP_POLICER(_id, _rate, _burst) \
DEVLINK_TRAP_POLICER(_id, _rate, _burst, \
MLXSW_REG_QPCR_HIGHEST_CIR, \
@@ -176,149 +272,753 @@ static void mlxsw_sp_rx_exception_listener(struct sk_buff *skb, u8 local_port,
1 << MLXSW_REG_QPCR_LOWEST_CBS)
/* Ordered by policer identifier */
-static const struct devlink_trap_policer mlxsw_sp_trap_policers_arr[] = {
- MLXSW_SP_TRAP_POLICER(1, 10 * 1024, 128),
+static const struct mlxsw_sp_trap_policer_item
+mlxsw_sp_trap_policer_items_arr[] = {
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(1, 10 * 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(2, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(3, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(4, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(5, 16 * 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(6, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(7, 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(8, 20 * 1024, 1024),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(9, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(10, 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(11, 360, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(12, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(13, 128, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(14, 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(15, 1024, 128),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(16, 24 * 1024, 4096),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(17, 19 * 1024, 4096),
+ },
+ {
+ .policer = MLXSW_SP_TRAP_POLICER(18, 1024, 128),
+ },
};
-static const struct devlink_trap_group mlxsw_sp_trap_groups_arr[] = {
- DEVLINK_TRAP_GROUP_GENERIC(L2_DROPS, 1),
- DEVLINK_TRAP_GROUP_GENERIC(L3_DROPS, 1),
- DEVLINK_TRAP_GROUP_GENERIC(TUNNEL_DROPS, 1),
- DEVLINK_TRAP_GROUP_GENERIC(ACL_DROPS, 1),
+static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = {
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(L2_DROPS, 1),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(L3_DROPS, 1),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(L3_EXCEPTIONS, 1),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(TUNNEL_DROPS, 1),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_DROPS, 1),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(STP, 2),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_STP,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(LACP, 3),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(LLDP, 4),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(MC_SNOOPING, 5),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING,
+ .priority = 3,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(DHCP, 6),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(NEIGH_DISCOVERY, 7),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_NEIGH_DISCOVERY,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(BFD, 8),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BFD,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(OSPF, 9),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(BGP, 10),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP,
+ .priority = 4,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(VRRP, 11),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(PIM, 12),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(UC_LB, 13),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(LOCAL_DELIVERY, 14),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(IPV6, 15),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(PTP_EVENT, 16),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0,
+ .priority = 5,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(PTP_GENERAL, 17),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1,
+ .priority = 2,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_SAMPLE, 0),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE,
+ .priority = 0,
+ },
+ {
+ .group = DEVLINK_TRAP_GROUP_GENERIC(ACL_TRAP, 18),
+ .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_FLOW_LOGGING,
+ .priority = 4,
+ },
};
-static const struct devlink_trap mlxsw_sp_traps_arr[] = {
- MLXSW_SP_TRAP_DROP(SMAC_MC, L2_DROPS),
- MLXSW_SP_TRAP_DROP(VLAN_TAG_MISMATCH, L2_DROPS),
- MLXSW_SP_TRAP_DROP(INGRESS_VLAN_FILTER, L2_DROPS),
- MLXSW_SP_TRAP_DROP(INGRESS_STP_FILTER, L2_DROPS),
- MLXSW_SP_TRAP_DROP(EMPTY_TX_LIST, L2_DROPS),
- MLXSW_SP_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS),
- MLXSW_SP_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS),
- MLXSW_SP_TRAP_DROP(NON_IP_PACKET, L3_DROPS),
- MLXSW_SP_TRAP_DROP(UC_DIP_MC_DMAC, L3_DROPS),
- MLXSW_SP_TRAP_DROP(DIP_LB, L3_DROPS),
- MLXSW_SP_TRAP_DROP(SIP_MC, L3_DROPS),
- MLXSW_SP_TRAP_DROP(SIP_LB, L3_DROPS),
- MLXSW_SP_TRAP_DROP(CORRUPTED_IP_HDR, L3_DROPS),
- MLXSW_SP_TRAP_DROP(IPV4_SIP_BC, L3_DROPS),
- MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_RESERVED_SCOPE, L3_DROPS),
- MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(RPF, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS, L3_DROPS),
- MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS),
- MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS),
- MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS),
- MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS),
- MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS),
- MLXSW_SP_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP, ACL_DROPS,
- DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
- MLXSW_SP_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP, ACL_DROPS,
- DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
+static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = {
+ {
+ .trap = MLXSW_SP_TRAP_DROP(SMAC_MC, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_PACKET_SMAC_MC, L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(VLAN_TAG_MISMATCH, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_SWITCH_VTAG_ALLOW,
+ L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(INGRESS_VLAN_FILTER, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_SWITCH_VLAN, L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(INGRESS_STP_FILTER, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_SWITCH_STP, L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(EMPTY_TX_LIST, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_UC, L2_DISCARDS),
+ MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_MC_NULL, L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_LB, L2_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ROUTER2, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(NON_IP_PACKET, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_NON_IP_PACKET,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(UC_DIP_MC_DMAC, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_UC_DIP_MC_DMAC,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(DIP_LB, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_DIP_LB, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(SIP_MC, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_MC, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(SIP_LB, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_LB, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(CORRUPTED_IP_HDR, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_CORRUPTED_IP_HDR,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(IPV4_SIP_BC, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ING_ROUTER_IPV4_SIP_BC,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_RESERVED_SCOPE,
+ L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_RESERVED_SCOPE,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
+ L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
+ L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_EXCEPTIONS,
+ TRAP_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_EXCEPTIONS,
+ TRAP_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(RPF, L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(RPF, L3_EXCEPTIONS, TRAP_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_EXCEPTIONS,
+ TRAP_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH,
+ L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_EXCEPTIONS,
+ TRAP_TO_CPU),
+ MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_EXCEPTIONS,
+ TRAP_TO_CPU),
+ MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER3, L3_EXCEPTIONS,
+ TRAP_EXCEPTION_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS,
+ L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4,
+ L3_EXCEPTIONS,
+ TRAP_EXCEPTION_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS,
+ L3_EXCEPTIONS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6,
+ L3_EXCEPTIONS,
+ TRAP_EXCEPTION_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, TUNNEL_DISCARDS,
+ TRAP_EXCEPTION_TO_CPU),
+ MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR,
+ TUNNEL_DISCARDS,
+ TRAP_EXCEPTION_TO_CPU),
+ MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS,
+ TRAP_EXCEPTION_TO_CPU),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS),
+ .listeners_arr = {
+ MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP,
+ ACL_DROPS,
+ DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
+ .listeners_arr = {
+ MLXSW_SP_RXL_ACL_DISCARD(INGRESS_ACL, ACL_DISCARDS,
+ DUMMY),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP,
+ ACL_DROPS,
+ DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
+ .listeners_arr = {
+ MLXSW_SP_RXL_ACL_DISCARD(EGRESS_ACL, ACL_DISCARDS,
+ DUMMY),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(STP, STP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(STP, STP, TRAP_TO_CPU, true),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(LACP, LACP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(LACP, LACP, TRAP_TO_CPU, true),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(LLDP, LLDP, TRAP),
+ .listeners_arr = {
+ MLXSW_RXL(mlxsw_sp_rx_ptp_listener, LLDP, TRAP_TO_CPU,
+ false, SP_LLDP, DISCARD),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IGMP_QUERY, MC_SNOOPING, MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IGMP_QUERY, MC_SNOOPING,
+ MIRROR_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V1_REPORT, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, MC_SNOOPING,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_REPORT, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, MC_SNOOPING,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V3_REPORT, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, MC_SNOOPING,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_LEAVE, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, MC_SNOOPING,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(MLD_QUERY, MC_SNOOPING, MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY,
+ MC_SNOOPING, MIRROR_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_REPORT, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT,
+ MC_SNOOPING, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(MLD_V2_REPORT, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT,
+ MC_SNOOPING, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_DONE, MC_SNOOPING,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE,
+ MC_SNOOPING, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_DHCP, DHCP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_DHCP, DHCP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DHCP, DHCP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_DHCP, DHCP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(ARP_REQUEST, NEIGH_DISCOVERY,
+ MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(ARPBC, NEIGH_DISCOVERY, MIRROR_TO_CPU,
+ false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(ARP_RESPONSE, NEIGH_DISCOVERY,
+ MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(ARPUC, NEIGH_DISCOVERY, MIRROR_TO_CPU,
+ false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(ARP_OVERLAY, NEIGH_DISCOVERY,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, NEIGH_DISCOVERY,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_SOLICIT,
+ NEIGH_DISCOVERY, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION,
+ NEIGH_DISCOVERY, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_ADVERT,
+ NEIGH_DISCOVERY, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISEMENT,
+ NEIGH_DISCOVERY, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_BFD, BFD, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_BFD, BFD, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_BFD, BFD, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_BFD, BFD, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_OSPF, OSPF, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_OSPF, OSPF, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_OSPF, OSPF, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_OSPF, OSPF, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_BGP, BGP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_BGP, BGP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_BGP, BGP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_BGP, BGP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_VRRP, VRRP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_VRRP, VRRP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_VRRP, VRRP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_VRRP, VRRP, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_PIM, PIM, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV4_PIM, PIM, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_PIM, PIM, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_PIM, PIM, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(UC_LB, UC_LB, MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_L3_MARK(LBERROR, LBERROR, MIRROR_TO_CPU,
+ false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(LOCAL_ROUTE, LOCAL_DELIVERY,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IP2ME, IP2ME, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(EXTERNAL_ROUTE, LOCAL_DELIVERY,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(RTR_INGRESS0, IP2ME, TRAP_TO_CPU,
+ false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_UC_DIP_LINK_LOCAL_SCOPE,
+ LOCAL_DELIVERY, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, IP2ME,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV4_ROUTER_ALERT, LOCAL_DELIVERY,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, IP2ME, TRAP_TO_CPU,
+ false),
+ },
+ },
+ {
+ /* IPV6_ROUTER_ALERT is defined in uAPI as 22, but it is not
+ * used in this file, so undefine it.
+ */
+ #undef IPV6_ROUTER_ALERT
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ALERT, LOCAL_DELIVERY,
+ TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, IP2ME, TRAP_TO_CPU,
+ false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_NODES, IPV6, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, IPV6,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_ROUTERS, IPV6, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, IPV6,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_SOLICIT, IPV6, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, IPV6,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ADVERT, IPV6, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISEMENT, IPV6,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(IPV6_REDIRECT, IPV6, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, IPV6,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(PTP_EVENT, PTP_EVENT, TRAP),
+ .listeners_arr = {
+ MLXSW_RXL(mlxsw_sp_rx_ptp_listener, PTP0, TRAP_TO_CPU,
+ false, SP_PTP0, DISCARD),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(PTP_GENERAL, PTP_GENERAL, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(PTP1, PTP1, TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_SAMPLE, ACL_SAMPLE,
+ MIRROR),
+ .listeners_arr = {
+ MLXSW_RXL(mlxsw_sp_rx_sample_listener, PKT_SAMPLE,
+ MIRROR_TO_CPU, false, SP_PKT_SAMPLE, DISCARD),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_TRAP, ACL_TRAP, TRAP),
+ .listeners_arr = {
+ MLXSW_SP_RXL_NO_MARK(ACL0, FLOW_LOGGING, TRAP_TO_CPU,
+ false),
+ },
+ },
};
-static const struct mlxsw_listener mlxsw_sp_listeners_arr[] = {
- MLXSW_SP_RXL_DISCARD(ING_PACKET_SMAC_MC, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_SWITCH_VTAG_ALLOW, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_SWITCH_VLAN, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_SWITCH_STP, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_UC, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_MC_NULL, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_LB, L2_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ROUTER2, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_NON_IP_PACKET, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_UC_DIP_MC_DMAC, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_DIP_LB, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_MC, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_LB, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_CORRUPTED_IP_HDR, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ING_ROUTER_IPV4_SIP_BC, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_RESERVED_SCOPE, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE, L3_DISCARDS),
- MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(RPF, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_DISCARDS, TRAP_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER3, L3_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4, L3_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6, L3_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS),
- MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS),
- MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, TUNNEL_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR, TUNNEL_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS,
- TRAP_EXCEPTION_TO_CPU),
- MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS),
- MLXSW_SP_RXL_ACL_DISCARD(INGRESS_ACL, ACL_DISCARDS, DUMMY),
- MLXSW_SP_RXL_ACL_DISCARD(EGRESS_ACL, ACL_DISCARDS, DUMMY),
-};
+static struct mlxsw_sp_trap_policer_item *
+mlxsw_sp_trap_policer_item_lookup(struct mlxsw_sp *mlxsw_sp, u32 id)
+{
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
-/* Mapping between hardware trap and devlink trap. Multiple hardware traps can
- * be mapped to the same devlink trap. Order is according to
- * 'mlxsw_sp_listeners_arr'.
- */
-static const u16 mlxsw_sp_listener_devlink_map[] = {
- DEVLINK_TRAP_GENERIC_ID_SMAC_MC,
- DEVLINK_TRAP_GENERIC_ID_VLAN_TAG_MISMATCH,
- DEVLINK_TRAP_GENERIC_ID_INGRESS_VLAN_FILTER,
- DEVLINK_TRAP_GENERIC_ID_INGRESS_STP_FILTER,
- DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
- DEVLINK_TRAP_GENERIC_ID_EMPTY_TX_LIST,
- DEVLINK_TRAP_GENERIC_ID_PORT_LOOPBACK_FILTER,
- DEVLINK_TRAP_GENERIC_ID_BLACKHOLE_ROUTE,
- DEVLINK_TRAP_GENERIC_ID_NON_IP_PACKET,
- DEVLINK_TRAP_GENERIC_ID_UC_DIP_MC_DMAC,
- DEVLINK_TRAP_GENERIC_ID_DIP_LB,
- DEVLINK_TRAP_GENERIC_ID_SIP_MC,
- DEVLINK_TRAP_GENERIC_ID_SIP_LB,
- DEVLINK_TRAP_GENERIC_ID_CORRUPTED_IP_HDR,
- DEVLINK_TRAP_GENERIC_ID_IPV4_SIP_BC,
- DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_RESERVED_SCOPE,
- DEVLINK_TRAP_GENERIC_ID_IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
- DEVLINK_TRAP_GENERIC_ID_MTU_ERROR,
- DEVLINK_TRAP_GENERIC_ID_TTL_ERROR,
- DEVLINK_TRAP_GENERIC_ID_RPF,
- DEVLINK_TRAP_GENERIC_ID_REJECT_ROUTE,
- DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
- DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
- DEVLINK_TRAP_GENERIC_ID_UNRESOLVED_NEIGH,
- DEVLINK_TRAP_GENERIC_ID_IPV4_LPM_UNICAST_MISS,
- DEVLINK_TRAP_GENERIC_ID_IPV6_LPM_UNICAST_MISS,
- DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED,
- DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED,
- DEVLINK_TRAP_GENERIC_ID_NON_ROUTABLE,
- DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
- DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
- DEVLINK_TRAP_GENERIC_ID_DECAP_ERROR,
- DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
- DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
- DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
-};
+ for (i = 0; i < trap->policers_count; i++) {
+ if (trap->policer_items_arr[i].policer.id == id)
+ return &trap->policer_items_arr[i];
+ }
-#define MLXSW_SP_THIN_POLICER_ID (MLXSW_REG_HTGT_TRAP_GROUP_MAX + 1)
+ return NULL;
+}
-static struct mlxsw_sp_trap_policer_item *
-mlxsw_sp_trap_policer_item_lookup(struct mlxsw_sp *mlxsw_sp, u32 id)
+static struct mlxsw_sp_trap_group_item *
+mlxsw_sp_trap_group_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id)
+{
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
+
+ for (i = 0; i < trap->groups_count; i++) {
+ if (trap->group_items_arr[i].group.id == id)
+ return &trap->group_items_arr[i];
+ }
+
+ return NULL;
+}
+
+static struct mlxsw_sp_trap_item *
+mlxsw_sp_trap_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id)
{
- struct mlxsw_sp_trap_policer_item *policer_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
- list_for_each_entry(policer_item, &trap->policer_item_list, list) {
- if (policer_item->id == id)
- return policer_item;
+ for (i = 0; i < trap->traps_count; i++) {
+ if (trap->trap_items_arr[i].trap.id == id)
+ return &trap->trap_items_arr[i];
}
return NULL;
@@ -326,14 +1026,21 @@ mlxsw_sp_trap_policer_item_lookup(struct mlxsw_sp *mlxsw_sp, u32 id)
static int mlxsw_sp_trap_cpu_policers_set(struct mlxsw_sp *mlxsw_sp)
{
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
char qpcr_pl[MLXSW_REG_QPCR_LEN];
+ u16 hw_id;
/* The purpose of "thin" policer is to drop as many packets
* as possible. The dummy group is using it.
*/
- __set_bit(MLXSW_SP_THIN_POLICER_ID, mlxsw_sp->trap->policers_usage);
- mlxsw_reg_qpcr_pack(qpcr_pl, MLXSW_SP_THIN_POLICER_ID,
- MLXSW_REG_QPCR_IR_UNITS_M, false, 1, 4);
+ hw_id = find_first_zero_bit(trap->policers_usage, trap->max_policers);
+ if (WARN_ON(hw_id == trap->max_policers))
+ return -ENOBUFS;
+
+ __set_bit(hw_id, trap->policers_usage);
+ trap->thin_policer_hw_id = hw_id;
+ mlxsw_reg_qpcr_pack(qpcr_pl, hw_id, MLXSW_REG_QPCR_IR_UNITS_M,
+ false, 1, 4);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qpcr), qpcr_pl);
}
@@ -342,82 +1049,214 @@ static int mlxsw_sp_trap_dummy_group_init(struct mlxsw_sp *mlxsw_sp)
char htgt_pl[MLXSW_REG_HTGT_LEN];
mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_SP_DUMMY,
- MLXSW_SP_THIN_POLICER_ID, 0, 1);
+ mlxsw_sp->trap->thin_policer_hw_id, 0, 1);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl);
}
-static int mlxsw_sp_trap_policers_init(struct mlxsw_sp *mlxsw_sp)
+static int mlxsw_sp_trap_policer_items_arr_init(struct mlxsw_sp *mlxsw_sp)
{
- struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ size_t elem_size = sizeof(struct mlxsw_sp_trap_policer_item);
+ u64 arr_size = ARRAY_SIZE(mlxsw_sp_trap_policer_items_arr);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
u64 free_policers = 0;
- u32 last_id = 0;
- int err, i;
+ u32 last_id;
+ int i;
for_each_clear_bit(i, trap->policers_usage, trap->max_policers)
free_policers++;
- if (ARRAY_SIZE(mlxsw_sp_trap_policers_arr) > free_policers) {
+ if (arr_size > free_policers) {
dev_err(mlxsw_sp->bus_info->dev, "Exceeded number of supported packet trap policers\n");
return -ENOBUFS;
}
- trap->policers_arr = kcalloc(free_policers,
- sizeof(struct devlink_trap_policer),
- GFP_KERNEL);
- if (!trap->policers_arr)
+ trap->policer_items_arr = kcalloc(free_policers, elem_size, GFP_KERNEL);
+ if (!trap->policer_items_arr)
return -ENOMEM;
trap->policers_count = free_policers;
- for (i = 0; i < free_policers; i++) {
- const struct devlink_trap_policer *policer;
-
- if (i < ARRAY_SIZE(mlxsw_sp_trap_policers_arr)) {
- policer = &mlxsw_sp_trap_policers_arr[i];
- trap->policers_arr[i] = *policer;
- last_id = policer->id;
- } else {
- /* Use parameters set for first policer and override
- * relevant ones.
- */
- policer = &mlxsw_sp_trap_policers_arr[0];
- trap->policers_arr[i] = *policer;
- trap->policers_arr[i].id = ++last_id;
- trap->policers_arr[i].init_rate = 1;
- trap->policers_arr[i].init_burst = 16;
- }
+ /* Initialize policer items array with pre-defined policers. */
+ memcpy(trap->policer_items_arr, mlxsw_sp_trap_policer_items_arr,
+ elem_size * arr_size);
+
+ /* Initialize policer items array with the rest of the available
+ * policers.
+ */
+ last_id = mlxsw_sp_trap_policer_items_arr[arr_size - 1].policer.id;
+ for (i = arr_size; i < trap->policers_count; i++) {
+ const struct mlxsw_sp_trap_policer_item *policer_item;
+
+ /* Use parameters set for first policer and override
+ * relevant ones.
+ */
+ policer_item = &mlxsw_sp_trap_policer_items_arr[0];
+ trap->policer_items_arr[i] = *policer_item;
+ trap->policer_items_arr[i].policer.id = ++last_id;
+ trap->policer_items_arr[i].policer.init_rate = 1;
+ trap->policer_items_arr[i].policer.init_burst = 16;
}
- INIT_LIST_HEAD(&trap->policer_item_list);
+ return 0;
+}
+
+static void mlxsw_sp_trap_policer_items_arr_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ kfree(mlxsw_sp->trap->policer_items_arr);
+}
+
+static int mlxsw_sp_trap_policers_init(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ const struct mlxsw_sp_trap_policer_item *policer_item;
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int err, i;
- err = devlink_trap_policers_register(devlink, trap->policers_arr,
- trap->policers_count);
+ err = mlxsw_sp_trap_policer_items_arr_init(mlxsw_sp);
if (err)
- goto err_trap_policers_register;
+ return err;
+
+ for (i = 0; i < trap->policers_count; i++) {
+ policer_item = &trap->policer_items_arr[i];
+ err = devlink_trap_policers_register(devlink,
+ &policer_item->policer, 1);
+ if (err)
+ goto err_trap_policer_register;
+ }
return 0;
-err_trap_policers_register:
- kfree(trap->policers_arr);
+err_trap_policer_register:
+ for (i--; i >= 0; i--) {
+ policer_item = &trap->policer_items_arr[i];
+ devlink_trap_policers_unregister(devlink,
+ &policer_item->policer, 1);
+ }
+ mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp);
return err;
}
static void mlxsw_sp_trap_policers_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ const struct mlxsw_sp_trap_policer_item *policer_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
- devlink_trap_policers_unregister(devlink, trap->policers_arr,
- trap->policers_count);
- WARN_ON(!list_empty(&trap->policer_item_list));
- kfree(trap->policers_arr);
+ for (i = trap->policers_count - 1; i >= 0; i--) {
+ policer_item = &trap->policer_items_arr[i];
+ devlink_trap_policers_unregister(devlink,
+ &policer_item->policer, 1);
+ }
+ mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp);
}
-int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp)
+static int mlxsw_sp_trap_groups_init(struct mlxsw_sp *mlxsw_sp)
{
- size_t groups_count = ARRAY_SIZE(mlxsw_sp_trap_groups_arr);
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ const struct mlxsw_sp_trap_group_item *group_item;
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int err, i;
+
+ trap->group_items_arr = kmemdup(mlxsw_sp_trap_group_items_arr,
+ sizeof(mlxsw_sp_trap_group_items_arr),
+ GFP_KERNEL);
+ if (!trap->group_items_arr)
+ return -ENOMEM;
+
+ trap->groups_count = ARRAY_SIZE(mlxsw_sp_trap_group_items_arr);
+
+ for (i = 0; i < trap->groups_count; i++) {
+ group_item = &trap->group_items_arr[i];
+ err = devlink_trap_groups_register(devlink, &group_item->group,
+ 1);
+ if (err)
+ goto err_trap_group_register;
+ }
+
+ return 0;
+
+err_trap_group_register:
+ for (i--; i >= 0; i--) {
+ group_item = &trap->group_items_arr[i];
+ devlink_trap_groups_unregister(devlink, &group_item->group, 1);
+ }
+ kfree(trap->group_items_arr);
+ return err;
+}
+
+static void mlxsw_sp_trap_groups_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
+
+ for (i = trap->groups_count - 1; i >= 0; i--) {
+ const struct mlxsw_sp_trap_group_item *group_item;
+
+ group_item = &trap->group_items_arr[i];
+ devlink_trap_groups_unregister(devlink, &group_item->group, 1);
+ }
+ kfree(trap->group_items_arr);
+}
+
+static bool
+mlxsw_sp_trap_listener_is_valid(const struct mlxsw_listener *listener)
+{
+ return listener->trap_id != 0;
+}
+
+static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ const struct mlxsw_sp_trap_item *trap_item;
+ int err, i;
+
+ trap->trap_items_arr = kmemdup(mlxsw_sp_trap_items_arr,
+ sizeof(mlxsw_sp_trap_items_arr),
+ GFP_KERNEL);
+ if (!trap->trap_items_arr)
+ return -ENOMEM;
+
+ trap->traps_count = ARRAY_SIZE(mlxsw_sp_trap_items_arr);
+
+ for (i = 0; i < trap->traps_count; i++) {
+ trap_item = &trap->trap_items_arr[i];
+ err = devlink_traps_register(devlink, &trap_item->trap, 1,
+ mlxsw_sp);
+ if (err)
+ goto err_trap_register;
+ }
+
+ return 0;
+
+err_trap_register:
+ for (i--; i >= 0; i--) {
+ trap_item = &trap->trap_items_arr[i];
+ devlink_traps_unregister(devlink, &trap_item->trap, 1);
+ }
+ kfree(trap->trap_items_arr);
+ return err;
+}
+
+static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
+{
+ struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+ struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
+ int i;
+
+ for (i = trap->traps_count - 1; i >= 0; i--) {
+ const struct mlxsw_sp_trap_item *trap_item;
+
+ trap_item = &trap->trap_items_arr[i];
+ devlink_traps_unregister(devlink, &trap_item->trap, 1);
+ }
+ kfree(trap->trap_items_arr);
+}
+
+int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp)
+{
int err;
err = mlxsw_sp_trap_cpu_policers_set(mlxsw_sp);
@@ -428,59 +1267,52 @@ int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp)
if (err)
return err;
- if (WARN_ON(ARRAY_SIZE(mlxsw_sp_listener_devlink_map) !=
- ARRAY_SIZE(mlxsw_sp_listeners_arr)))
- return -EINVAL;
-
err = mlxsw_sp_trap_policers_init(mlxsw_sp);
if (err)
return err;
- err = devlink_trap_groups_register(devlink, mlxsw_sp_trap_groups_arr,
- groups_count);
+ err = mlxsw_sp_trap_groups_init(mlxsw_sp);
if (err)
- goto err_trap_groups_register;
+ goto err_trap_groups_init;
- err = devlink_traps_register(devlink, mlxsw_sp_traps_arr,
- ARRAY_SIZE(mlxsw_sp_traps_arr), mlxsw_sp);
+ err = mlxsw_sp_traps_init(mlxsw_sp);
if (err)
- goto err_traps_register;
+ goto err_traps_init;
return 0;
-err_traps_register:
- devlink_trap_groups_unregister(devlink, mlxsw_sp_trap_groups_arr,
- groups_count);
-err_trap_groups_register:
+err_traps_init:
+ mlxsw_sp_trap_groups_fini(mlxsw_sp);
+err_trap_groups_init:
mlxsw_sp_trap_policers_fini(mlxsw_sp);
return err;
}
void mlxsw_sp_devlink_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
- size_t groups_count = ARRAY_SIZE(mlxsw_sp_trap_groups_arr);
- struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
-
- devlink_traps_unregister(devlink, mlxsw_sp_traps_arr,
- ARRAY_SIZE(mlxsw_sp_traps_arr));
- devlink_trap_groups_unregister(devlink, mlxsw_sp_trap_groups_arr,
- groups_count);
+ mlxsw_sp_traps_fini(mlxsw_sp);
+ mlxsw_sp_trap_groups_fini(mlxsw_sp);
mlxsw_sp_trap_policers_fini(mlxsw_sp);
}
int mlxsw_sp_trap_init(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap, void *trap_ctx)
{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+ const struct mlxsw_sp_trap_item *trap_item;
int i;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener_devlink_map); i++) {
+ trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
+ if (WARN_ON(!trap_item))
+ return -EINVAL;
+
+ for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) {
const struct mlxsw_listener *listener;
int err;
- if (mlxsw_sp_listener_devlink_map[i] != trap->id)
+ listener = &trap_item->listeners_arr[i];
+ if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
- listener = &mlxsw_sp_listeners_arr[i];
-
err = mlxsw_core_trap_register(mlxsw_core, listener, trap_ctx);
if (err)
return err;
@@ -492,15 +1324,20 @@ int mlxsw_sp_trap_init(struct mlxsw_core *mlxsw_core,
void mlxsw_sp_trap_fini(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap, void *trap_ctx)
{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+ const struct mlxsw_sp_trap_item *trap_item;
int i;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener_devlink_map); i++) {
+ trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
+ if (WARN_ON(!trap_item))
+ return;
+
+ for (i = MLXSW_SP_TRAP_LISTENERS_MAX - 1; i >= 0; i--) {
const struct mlxsw_listener *listener;
- if (mlxsw_sp_listener_devlink_map[i] != trap->id)
+ listener = &trap_item->listeners_arr[i];
+ if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
- listener = &mlxsw_sp_listeners_arr[i];
-
mlxsw_core_trap_unregister(mlxsw_core, listener, trap_ctx);
}
}
@@ -509,16 +1346,23 @@ int mlxsw_sp_trap_action_set(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap,
enum devlink_trap_action action)
{
+ struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
+ const struct mlxsw_sp_trap_item *trap_item;
int i;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener_devlink_map); i++) {
+ trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
+ if (WARN_ON(!trap_item))
+ return -EINVAL;
+
+ for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) {
const struct mlxsw_listener *listener;
bool enabled;
int err;
- if (mlxsw_sp_listener_devlink_map[i] != trap->id)
+ listener = &trap_item->listeners_arr[i];
+ if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
- listener = &mlxsw_sp_listeners_arr[i];
+
switch (action) {
case DEVLINK_TRAP_ACTION_DROP:
enabled = false;
@@ -544,33 +1388,12 @@ __mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core,
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
u16 hw_policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
+ const struct mlxsw_sp_trap_group_item *group_item;
char htgt_pl[MLXSW_REG_HTGT_LEN];
- u8 priority, tc, group_id;
-
- switch (group->id) {
- case DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS:
- group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS;
- priority = 0;
- tc = 1;
- break;
- case DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS:
- group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS;
- priority = 0;
- tc = 1;
- break;
- case DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS:
- group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS;
- priority = 0;
- tc = 1;
- break;
- case DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS:
- group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS;
- priority = 0;
- tc = 1;
- break;
- default:
+
+ group_item = mlxsw_sp_trap_group_item_lookup(mlxsw_sp, group->id);
+ if (WARN_ON(!group_item))
return -EINVAL;
- }
if (policer_id) {
struct mlxsw_sp_trap_policer_item *policer_item;
@@ -582,7 +1405,8 @@ __mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core,
hw_policer_id = policer_item->hw_id;
}
- mlxsw_reg_htgt_pack(htgt_pl, group_id, hw_policer_id, priority, tc);
+ mlxsw_reg_htgt_pack(htgt_pl, group_item->hw_group_id, hw_policer_id,
+ group_item->priority, group_item->priority);
return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}
@@ -602,10 +1426,10 @@ int mlxsw_sp_trap_group_set(struct mlxsw_core *mlxsw_core,
return __mlxsw_sp_trap_group_init(mlxsw_core, group, policer_id);
}
-static struct mlxsw_sp_trap_policer_item *
-mlxsw_sp_trap_policer_item_init(struct mlxsw_sp *mlxsw_sp, u32 id)
+static int
+mlxsw_sp_trap_policer_item_init(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_trap_policer_item *policer_item)
{
- struct mlxsw_sp_trap_policer_item *policer_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
u16 hw_id;
@@ -615,27 +1439,19 @@ mlxsw_sp_trap_policer_item_init(struct mlxsw_sp *mlxsw_sp, u32 id)
*/
hw_id = find_first_zero_bit(trap->policers_usage, trap->max_policers);
if (WARN_ON(hw_id == trap->max_policers))
- return ERR_PTR(-ENOBUFS);
-
- policer_item = kzalloc(sizeof(*policer_item), GFP_KERNEL);
- if (!policer_item)
- return ERR_PTR(-ENOMEM);
+ return -ENOBUFS;
__set_bit(hw_id, trap->policers_usage);
policer_item->hw_id = hw_id;
- policer_item->id = id;
- list_add_tail(&policer_item->list, &trap->policer_item_list);
- return policer_item;
+ return 0;
}
static void
mlxsw_sp_trap_policer_item_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_trap_policer_item *policer_item)
{
- list_del(&policer_item->list);
__clear_bit(policer_item->hw_id, mlxsw_sp->trap->policers_usage);
- kfree(policer_item);
}
static int mlxsw_sp_trap_policer_bs(u64 burst, u8 *p_burst_size,
@@ -678,9 +1494,13 @@ int mlxsw_sp_trap_policer_init(struct mlxsw_core *mlxsw_core,
struct mlxsw_sp_trap_policer_item *policer_item;
int err;
- policer_item = mlxsw_sp_trap_policer_item_init(mlxsw_sp, policer->id);
- if (IS_ERR(policer_item))
- return PTR_ERR(policer_item);
+ policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, policer->id);
+ if (WARN_ON(!policer_item))
+ return -EINVAL;
+
+ err = mlxsw_sp_trap_policer_item_init(mlxsw_sp, policer_item);
+ if (err)
+ return err;
err = __mlxsw_sp_trap_policer_set(mlxsw_sp, policer_item->hw_id,
policer->init_rate,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.h
index 8c54897ba173..13ac412f4d53 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.h
@@ -8,17 +8,19 @@
#include <net/devlink.h>
struct mlxsw_sp_trap {
- struct devlink_trap_policer *policers_arr; /* Registered policers */
+ struct mlxsw_sp_trap_policer_item *policer_items_arr;
u64 policers_count; /* Number of registered policers */
- struct list_head policer_item_list;
+
+ struct mlxsw_sp_trap_group_item *group_items_arr;
+ u64 groups_count; /* Number of registered groups */
+
+ struct mlxsw_sp_trap_item *trap_items_arr;
+ u64 traps_count; /* Number of registered traps */
+
+ u16 thin_policer_hw_id;
+
u64 max_policers;
unsigned long policers_usage[]; /* Usage bitmap */
};
-struct mlxsw_sp_trap_policer_item {
- u16 hw_id;
- u32 id;
- struct list_head list; /* Member of policer_item_list */
-};
-
#endif
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index 90535820b559..b438f5576e18 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -1259,6 +1259,7 @@ static void mlxsw_sx_ports_remove(struct mlxsw_sx *mlxsw_sx)
if (mlxsw_sx_port_created(mlxsw_sx, i))
mlxsw_sx_port_remove(mlxsw_sx, i);
kfree(mlxsw_sx->ports);
+ mlxsw_sx->ports = NULL;
}
static int mlxsw_sx_ports_create(struct mlxsw_sx *mlxsw_sx)
@@ -1293,6 +1294,7 @@ err_port_module_info_get:
if (mlxsw_sx_port_created(mlxsw_sx, i))
mlxsw_sx_port_remove(mlxsw_sx, i);
kfree(mlxsw_sx->ports);
+ mlxsw_sx->ports = NULL;
return err;
}
@@ -1376,6 +1378,12 @@ static int mlxsw_sx_port_type_set(struct mlxsw_core *mlxsw_core, u8 local_port,
u8 module, width;
int err;
+ if (!mlxsw_sx->ports || !mlxsw_sx->ports[local_port]) {
+ dev_err(mlxsw_sx->bus_info->dev, "Port number \"%d\" does not exist\n",
+ local_port);
+ return -EINVAL;
+ }
+
if (new_type == DEVLINK_PORT_TYPE_AUTO)
return -EOPNOTSUPP;
@@ -1396,6 +1404,11 @@ err_port_module_info_get:
return err;
}
+enum {
+ MLXSW_REG_HTGT_TRAP_GROUP_SX2_RX = 1,
+ MLXSW_REG_HTGT_TRAP_GROUP_SX2_CTRL = 2,
+};
+
#define MLXSW_SX_RXL(_trap_id) \
MLXSW_RXL(mlxsw_sx_rx_listener_func, _trap_id, TRAP_TO_CPU, \
false, SX2_RX, FORWARD)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h
index eaa521b7561b..28e60697d14e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/trap.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h
@@ -55,16 +55,19 @@ enum {
MLXSW_TRAP_ID_IPV4_BGP = 0x88,
MLXSW_TRAP_ID_IPV6_BGP = 0x89,
MLXSW_TRAP_ID_L3_IPV6_ROUTER_SOLICITATION = 0x8A,
- MLXSW_TRAP_ID_L3_IPV6_ROUTER_ADVERTISMENT = 0x8B,
+ MLXSW_TRAP_ID_L3_IPV6_ROUTER_ADVERTISEMENT = 0x8B,
MLXSW_TRAP_ID_L3_IPV6_NEIGHBOR_SOLICITATION = 0x8C,
- MLXSW_TRAP_ID_L3_IPV6_NEIGHBOR_ADVERTISMENT = 0x8D,
+ MLXSW_TRAP_ID_L3_IPV6_NEIGHBOR_ADVERTISEMENT = 0x8D,
MLXSW_TRAP_ID_L3_IPV6_REDIRECTION = 0x8E,
+ MLXSW_TRAP_ID_IPV4_DHCP = 0x8F,
MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90,
MLXSW_TRAP_ID_IPV6_MC_LINK_LOCAL_DEST = 0x91,
MLXSW_TRAP_ID_HOST_MISS_IPV6 = 0x92,
MLXSW_TRAP_ID_IPIP_DECAP_ERROR = 0xB1,
MLXSW_TRAP_ID_NVE_DECAP_ARP = 0xB8,
MLXSW_TRAP_ID_NVE_ENCAP_ARP = 0xBD,
+ MLXSW_TRAP_ID_IPV4_BFD = 0xD0,
+ MLXSW_TRAP_ID_IPV6_BFD = 0xD1,
MLXSW_TRAP_ID_ROUTER_ALERT_IPV4 = 0xD6,
MLXSW_TRAP_ID_ROUTER_ALERT_IPV6 = 0xD7,
MLXSW_TRAP_ID_DISCARD_NON_ROUTABLE = 0x11A,
diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
index b9c4d48e28e4..09f35209d43d 100644
--- a/drivers/net/ethernet/micrel/Kconfig
+++ b/drivers/net/ethernet/micrel/Kconfig
@@ -38,6 +38,8 @@ config KS8851_MLL
tristate "Micrel KS8851 MLL"
depends on HAS_IOMEM
select MII
+ select CRC32
+ select EEPROM_93CX6
---help---
This platform driver is for Micrel KS8851 Address/data bus
multiplexed network chip.
diff --git a/drivers/net/ethernet/micrel/Makefile b/drivers/net/ethernet/micrel/Makefile
index 6d8ac5527aef..5cc00d22c708 100644
--- a/drivers/net/ethernet/micrel/Makefile
+++ b/drivers/net/ethernet/micrel/Makefile
@@ -5,5 +5,7 @@
obj-$(CONFIG_KS8842) += ks8842.o
obj-$(CONFIG_KS8851) += ks8851.o
+ks8851-objs = ks8851_common.o ks8851_spi.o
obj-$(CONFIG_KS8851_MLL) += ks8851_mll.o
+ks8851_mll-objs = ks8851_common.o ks8851_par.o
obj-$(CONFIG_KSZ884X_PCI) += ksz884x.o
diff --git a/drivers/net/ethernet/micrel/ks8851.h b/drivers/net/ethernet/micrel/ks8851.h
index 8f834aef8e32..2b319e451121 100644
--- a/drivers/net/ethernet/micrel/ks8851.h
+++ b/drivers/net/ethernet/micrel/ks8851.h
@@ -7,6 +7,11 @@
* KS8851 register definitions
*/
+#ifndef __KS8851_H__
+#define __KS8851_H__
+
+#include <linux/eeprom_93cx6.h>
+
#define KS_CCR 0x08
#define CCR_LE (1 << 10) /* KSZ8851-16MLL */
#define CCR_EEPROM (1 << 9)
@@ -19,7 +24,7 @@
#define CCR_32PIN (1 << 0) /* KSZ8851SNL */
/* MAC address registers */
-#define KS_MAR(_m) (0x15 - (_m))
+#define KS_MAR(_m) (0x14 - (_m))
#define KS_MARL 0x10
#define KS_MARM 0x12
#define KS_MARH 0x14
@@ -300,3 +305,147 @@
#define TXFR_TXIC (1 << 15)
#define TXFR_TXFID_MASK (0x3f << 0)
#define TXFR_TXFID_SHIFT (0)
+
+/**
+ * struct ks8851_rxctrl - KS8851 driver rx control
+ * @mchash: Multicast hash-table data.
+ * @rxcr1: KS_RXCR1 register setting
+ * @rxcr2: KS_RXCR2 register setting
+ *
+ * Representation of the settings needs to control the receive filtering
+ * such as the multicast hash-filter and the receive register settings. This
+ * is used to make the job of working out if the receive settings change and
+ * then issuing the new settings to the worker that will send the necessary
+ * commands.
+ */
+struct ks8851_rxctrl {
+ u16 mchash[4];
+ u16 rxcr1;
+ u16 rxcr2;
+};
+
+/**
+ * union ks8851_tx_hdr - tx header data
+ * @txb: The header as bytes
+ * @txw: The header as 16bit, little-endian words
+ *
+ * A dual representation of the tx header data to allow
+ * access to individual bytes, and to allow 16bit accesses
+ * with 16bit alignment.
+ */
+union ks8851_tx_hdr {
+ u8 txb[6];
+ __le16 txw[3];
+};
+
+/**
+ * struct ks8851_net - KS8851 driver private data
+ * @netdev: The network device we're bound to
+ * @statelock: Lock on this structure for tx list.
+ * @mii: The MII state information for the mii calls.
+ * @rxctrl: RX settings for @rxctrl_work.
+ * @rxctrl_work: Work queue for updating RX mode and multicast lists
+ * @txq: Queue of packets for transmission.
+ * @txh: Space for generating packet TX header in DMA-able data
+ * @rxd: Space for receiving SPI data, in DMA-able space.
+ * @txd: Space for transmitting SPI data, in DMA-able space.
+ * @msg_enable: The message flags controlling driver output (see ethtool).
+ * @fid: Incrementing frame id tag.
+ * @rc_ier: Cached copy of KS_IER.
+ * @rc_ccr: Cached copy of KS_CCR.
+ * @rc_rxqcr: Cached copy of KS_RXQCR.
+ * @eeprom: 93CX6 EEPROM state for accessing on-board EEPROM.
+ * @vdd_reg: Optional regulator supplying the chip
+ * @vdd_io: Optional digital power supply for IO
+ * @gpio: Optional reset_n gpio
+ * @lock: Bus access lock callback
+ * @unlock: Bus access unlock callback
+ * @rdreg16: 16bit register read callback
+ * @wrreg16: 16bit register write callback
+ * @rdfifo: FIFO read callback
+ * @wrfifo: FIFO write callback
+ * @start_xmit: start_xmit() implementation callback
+ * @rx_skb: rx_skb() implementation callback
+ * @flush_tx_work: flush_tx_work() implementation callback
+ *
+ * The @statelock is used to protect information in the structure which may
+ * need to be accessed via several sources, such as the network driver layer
+ * or one of the work queues.
+ *
+ * We align the buffers we may use for rx/tx to ensure that if the SPI driver
+ * wants to DMA map them, it will not have any problems with data the driver
+ * modifies.
+ */
+struct ks8851_net {
+ struct net_device *netdev;
+ spinlock_t statelock;
+
+ union ks8851_tx_hdr txh ____cacheline_aligned;
+ u8 rxd[8];
+ u8 txd[8];
+
+ u32 msg_enable ____cacheline_aligned;
+ u16 tx_space;
+ u8 fid;
+
+ u16 rc_ier;
+ u16 rc_rxqcr;
+ u16 rc_ccr;
+
+ struct mii_if_info mii;
+ struct ks8851_rxctrl rxctrl;
+
+ struct work_struct rxctrl_work;
+
+ struct sk_buff_head txq;
+
+ struct eeprom_93cx6 eeprom;
+ struct regulator *vdd_reg;
+ struct regulator *vdd_io;
+ int gpio;
+
+ void (*lock)(struct ks8851_net *ks,
+ unsigned long *flags);
+ void (*unlock)(struct ks8851_net *ks,
+ unsigned long *flags);
+ unsigned int (*rdreg16)(struct ks8851_net *ks,
+ unsigned int reg);
+ void (*wrreg16)(struct ks8851_net *ks,
+ unsigned int reg, unsigned int val);
+ void (*rdfifo)(struct ks8851_net *ks, u8 *buff,
+ unsigned int len);
+ void (*wrfifo)(struct ks8851_net *ks,
+ struct sk_buff *txp, bool irq);
+ netdev_tx_t (*start_xmit)(struct sk_buff *skb,
+ struct net_device *dev);
+ void (*rx_skb)(struct ks8851_net *ks,
+ struct sk_buff *skb);
+ void (*flush_tx_work)(struct ks8851_net *ks);
+};
+
+int ks8851_probe_common(struct net_device *netdev, struct device *dev,
+ int msg_en);
+int ks8851_remove_common(struct device *dev);
+int ks8851_suspend(struct device *dev);
+int ks8851_resume(struct device *dev);
+
+static __maybe_unused SIMPLE_DEV_PM_OPS(ks8851_pm_ops,
+ ks8851_suspend, ks8851_resume);
+
+/**
+ * ks8851_done_tx - update and then free skbuff after transmitting
+ * @ks: The device state
+ * @txb: The buffer transmitted
+ */
+static void __maybe_unused ks8851_done_tx(struct ks8851_net *ks,
+ struct sk_buff *txb)
+{
+ struct net_device *dev = ks->netdev;
+
+ dev->stats.tx_bytes += txb->len;
+ dev->stats.tx_packets++;
+
+ dev_kfree_skb(txb);
+}
+
+#endif /* __KS8851_H__ */
diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851_common.c
index 33305c9c5a62..d65872172229 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -19,10 +19,8 @@
#include <linux/cache.h>
#include <linux/crc32.h>
#include <linux/mii.h>
-#include <linux/eeprom_93cx6.h>
#include <linux/regulator/consumer.h>
-#include <linux/spi/spi.h>
#include <linux/gpio.h>
#include <linux/of_gpio.h>
#include <linux/of_net.h>
@@ -30,255 +28,41 @@
#include "ks8851.h"
/**
- * struct ks8851_rxctrl - KS8851 driver rx control
- * @mchash: Multicast hash-table data.
- * @rxcr1: KS_RXCR1 register setting
- * @rxcr2: KS_RXCR2 register setting
- *
- * Representation of the settings needs to control the receive filtering
- * such as the multicast hash-filter and the receive register settings. This
- * is used to make the job of working out if the receive settings change and
- * then issuing the new settings to the worker that will send the necessary
- * commands.
- */
-struct ks8851_rxctrl {
- u16 mchash[4];
- u16 rxcr1;
- u16 rxcr2;
-};
-
-/**
- * union ks8851_tx_hdr - tx header data
- * @txb: The header as bytes
- * @txw: The header as 16bit, little-endian words
- *
- * A dual representation of the tx header data to allow
- * access to individual bytes, and to allow 16bit accesses
- * with 16bit alignment.
- */
-union ks8851_tx_hdr {
- u8 txb[6];
- __le16 txw[3];
-};
-
-/**
- * struct ks8851_net - KS8851 driver private data
- * @netdev: The network device we're bound to
- * @spidev: The spi device we're bound to.
- * @lock: Lock to ensure that the device is not accessed when busy.
- * @statelock: Lock on this structure for tx list.
- * @mii: The MII state information for the mii calls.
- * @rxctrl: RX settings for @rxctrl_work.
- * @tx_work: Work queue for tx packets
- * @rxctrl_work: Work queue for updating RX mode and multicast lists
- * @txq: Queue of packets for transmission.
- * @spi_msg1: pre-setup SPI transfer with one message, @spi_xfer1.
- * @spi_msg2: pre-setup SPI transfer with two messages, @spi_xfer2.
- * @txh: Space for generating packet TX header in DMA-able data
- * @rxd: Space for receiving SPI data, in DMA-able space.
- * @txd: Space for transmitting SPI data, in DMA-able space.
- * @msg_enable: The message flags controlling driver output (see ethtool).
- * @fid: Incrementing frame id tag.
- * @rc_ier: Cached copy of KS_IER.
- * @rc_ccr: Cached copy of KS_CCR.
- * @rc_rxqcr: Cached copy of KS_RXQCR.
- * @eeprom: 93CX6 EEPROM state for accessing on-board EEPROM.
- * @vdd_reg: Optional regulator supplying the chip
- * @vdd_io: Optional digital power supply for IO
- * @gpio: Optional reset_n gpio
- *
- * The @lock ensures that the chip is protected when certain operations are
- * in progress. When the read or write packet transfer is in progress, most
- * of the chip registers are not ccessible until the transfer is finished and
- * the DMA has been de-asserted.
- *
- * The @statelock is used to protect information in the structure which may
- * need to be accessed via several sources, such as the network driver layer
- * or one of the work queues.
- *
- * We align the buffers we may use for rx/tx to ensure that if the SPI driver
- * wants to DMA map them, it will not have any problems with data the driver
- * modifies.
- */
-struct ks8851_net {
- struct net_device *netdev;
- struct spi_device *spidev;
- struct mutex lock;
- spinlock_t statelock;
-
- union ks8851_tx_hdr txh ____cacheline_aligned;
- u8 rxd[8];
- u8 txd[8];
-
- u32 msg_enable ____cacheline_aligned;
- u16 tx_space;
- u8 fid;
-
- u16 rc_ier;
- u16 rc_rxqcr;
- u16 rc_ccr;
-
- struct mii_if_info mii;
- struct ks8851_rxctrl rxctrl;
-
- struct work_struct tx_work;
- struct work_struct rxctrl_work;
-
- struct sk_buff_head txq;
-
- struct spi_message spi_msg1;
- struct spi_message spi_msg2;
- struct spi_transfer spi_xfer1;
- struct spi_transfer spi_xfer2[2];
-
- struct eeprom_93cx6 eeprom;
- struct regulator *vdd_reg;
- struct regulator *vdd_io;
- int gpio;
-};
-
-static int msg_enable;
-
-/* SPI frame opcodes */
-#define KS_SPIOP_RD (0x00)
-#define KS_SPIOP_WR (0x40)
-#define KS_SPIOP_RXFIFO (0x80)
-#define KS_SPIOP_TXFIFO (0xC0)
-
-/* shift for byte-enable data */
-#define BYTE_EN(_x) ((_x) << 2)
-
-/* turn register number and byte-enable mask into data for start of packet */
-#define MK_OP(_byteen, _reg) (BYTE_EN(_byteen) | (_reg) << (8+2) | (_reg) >> 6)
-
-/* SPI register read/write calls.
+ * ks8851_lock - register access lock
+ * @ks: The chip state
+ * @flags: Spinlock flags
*
- * All these calls issue SPI transactions to access the chip's registers. They
- * all require that the necessary lock is held to prevent accesses when the
- * chip is busy transferring packet data (RX/TX FIFO accesses).
+ * Claim chip register access lock
*/
+static void ks8851_lock(struct ks8851_net *ks, unsigned long *flags)
+{
+ ks->lock(ks, flags);
+}
/**
- * ks8851_wrreg16 - write 16bit register value to chip
+ * ks8851_unlock - register access unlock
* @ks: The chip state
- * @reg: The register address
- * @val: The value to write
+ * @flags: Spinlock flags
*
- * Issue a write to put the value @val into the register specified in @reg.
+ * Release chip register access lock
*/
-static void ks8851_wrreg16(struct ks8851_net *ks, unsigned reg, unsigned val)
+static void ks8851_unlock(struct ks8851_net *ks, unsigned long *flags)
{
- struct spi_transfer *xfer = &ks->spi_xfer1;
- struct spi_message *msg = &ks->spi_msg1;
- __le16 txb[2];
- int ret;
-
- txb[0] = cpu_to_le16(MK_OP(reg & 2 ? 0xC : 0x03, reg) | KS_SPIOP_WR);
- txb[1] = cpu_to_le16(val);
-
- xfer->tx_buf = txb;
- xfer->rx_buf = NULL;
- xfer->len = 4;
-
- ret = spi_sync(ks->spidev, msg);
- if (ret < 0)
- netdev_err(ks->netdev, "spi_sync() failed\n");
+ ks->unlock(ks, flags);
}
/**
- * ks8851_wrreg8 - write 8bit register value to chip
+ * ks8851_wrreg16 - write 16bit register value to chip
* @ks: The chip state
* @reg: The register address
* @val: The value to write
*
* Issue a write to put the value @val into the register specified in @reg.
*/
-static void ks8851_wrreg8(struct ks8851_net *ks, unsigned reg, unsigned val)
-{
- struct spi_transfer *xfer = &ks->spi_xfer1;
- struct spi_message *msg = &ks->spi_msg1;
- __le16 txb[2];
- int ret;
- int bit;
-
- bit = 1 << (reg & 3);
-
- txb[0] = cpu_to_le16(MK_OP(bit, reg) | KS_SPIOP_WR);
- txb[1] = val;
-
- xfer->tx_buf = txb;
- xfer->rx_buf = NULL;
- xfer->len = 3;
-
- ret = spi_sync(ks->spidev, msg);
- if (ret < 0)
- netdev_err(ks->netdev, "spi_sync() failed\n");
-}
-
-/**
- * ks8851_rdreg - issue read register command and return the data
- * @ks: The device state
- * @op: The register address and byte enables in message format.
- * @rxb: The RX buffer to return the result into
- * @rxl: The length of data expected.
- *
- * This is the low level read call that issues the necessary spi message(s)
- * to read data from the register specified in @op.
- */
-static void ks8851_rdreg(struct ks8851_net *ks, unsigned op,
- u8 *rxb, unsigned rxl)
-{
- struct spi_transfer *xfer;
- struct spi_message *msg;
- __le16 *txb = (__le16 *)ks->txd;
- u8 *trx = ks->rxd;
- int ret;
-
- txb[0] = cpu_to_le16(op | KS_SPIOP_RD);
-
- if (ks->spidev->master->flags & SPI_MASTER_HALF_DUPLEX) {
- msg = &ks->spi_msg2;
- xfer = ks->spi_xfer2;
-
- xfer->tx_buf = txb;
- xfer->rx_buf = NULL;
- xfer->len = 2;
-
- xfer++;
- xfer->tx_buf = NULL;
- xfer->rx_buf = trx;
- xfer->len = rxl;
- } else {
- msg = &ks->spi_msg1;
- xfer = &ks->spi_xfer1;
-
- xfer->tx_buf = txb;
- xfer->rx_buf = trx;
- xfer->len = rxl + 2;
- }
-
- ret = spi_sync(ks->spidev, msg);
- if (ret < 0)
- netdev_err(ks->netdev, "read: spi_sync() failed\n");
- else if (ks->spidev->master->flags & SPI_MASTER_HALF_DUPLEX)
- memcpy(rxb, trx, rxl);
- else
- memcpy(rxb, trx + 2, rxl);
-}
-
-/**
- * ks8851_rdreg8 - read 8 bit register from device
- * @ks: The chip information
- * @reg: The register address
- *
- * Read a 8bit register from the chip, returning the result
-*/
-static unsigned ks8851_rdreg8(struct ks8851_net *ks, unsigned reg)
+static void ks8851_wrreg16(struct ks8851_net *ks, unsigned int reg,
+ unsigned int val)
{
- u8 rxb[1];
-
- ks8851_rdreg(ks, MK_OP(1 << (reg & 3), reg), rxb, 1);
- return rxb[0];
+ ks->wrreg16(ks, reg, val);
}
/**
@@ -287,32 +71,11 @@ static unsigned ks8851_rdreg8(struct ks8851_net *ks, unsigned reg)
* @reg: The register address
*
* Read a 16bit register from the chip, returning the result
-*/
-static unsigned ks8851_rdreg16(struct ks8851_net *ks, unsigned reg)
-{
- __le16 rx = 0;
-
- ks8851_rdreg(ks, MK_OP(reg & 2 ? 0xC : 0x3, reg), (u8 *)&rx, 2);
- return le16_to_cpu(rx);
-}
-
-/**
- * ks8851_rdreg32 - read 32 bit register from device
- * @ks: The chip information
- * @reg: The register address
- *
- * Read a 32bit register from the chip.
- *
- * Note, this read requires the address be aligned to 4 bytes.
-*/
-static unsigned ks8851_rdreg32(struct ks8851_net *ks, unsigned reg)
+ */
+static unsigned int ks8851_rdreg16(struct ks8851_net *ks,
+ unsigned int reg)
{
- __le32 rx = 0;
-
- WARN_ON(reg & 3);
-
- ks8851_rdreg(ks, MK_OP(0xf, reg), (u8 *)&rx, 4);
- return le32_to_cpu(rx);
+ return ks->rdreg16(ks, reg);
}
/**
@@ -368,21 +131,27 @@ static void ks8851_set_powermode(struct ks8851_net *ks, unsigned pwrmode)
static int ks8851_write_mac_addr(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
+ u16 val;
int i;
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
/*
* Wake up chip in case it was powered off when stopped; otherwise,
* the first write to the MAC address does not take effect.
*/
ks8851_set_powermode(ks, PMECR_PM_NORMAL);
- for (i = 0; i < ETH_ALEN; i++)
- ks8851_wrreg8(ks, KS_MAR(i), dev->dev_addr[i]);
+
+ for (i = 0; i < ETH_ALEN; i += 2) {
+ val = (dev->dev_addr[i] << 8) | dev->dev_addr[i + 1];
+ ks8851_wrreg16(ks, KS_MAR(i), val);
+ }
+
if (!netif_running(dev))
ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
return 0;
}
@@ -396,19 +165,25 @@ static int ks8851_write_mac_addr(struct net_device *dev)
static void ks8851_read_mac_addr(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
+ u16 reg;
int i;
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
- for (i = 0; i < ETH_ALEN; i++)
- dev->dev_addr[i] = ks8851_rdreg8(ks, KS_MAR(i));
+ for (i = 0; i < ETH_ALEN; i += 2) {
+ reg = ks8851_rdreg16(ks, KS_MAR(i));
+ dev->dev_addr[i] = reg >> 8;
+ dev->dev_addr[i + 1] = reg & 0xff;
+ }
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
}
/**
* ks8851_init_mac - initialise the mac address
* @ks: The device structure
+ * @np: The device node pointer
*
* Get or create the initial mac address for the device and then set that
* into the station address register. A mac address supplied in the device
@@ -416,12 +191,12 @@ static void ks8851_read_mac_addr(struct net_device *dev)
* we try that. If no valid mac address is found we use eth_random_addr()
* to create a new one.
*/
-static void ks8851_init_mac(struct ks8851_net *ks)
+static void ks8851_init_mac(struct ks8851_net *ks, struct device_node *np)
{
struct net_device *dev = ks->netdev;
const u8 *mac_addr;
- mac_addr = of_get_mac_address(ks->spidev->dev.of_node);
+ mac_addr = of_get_mac_address(np);
if (!IS_ERR(mac_addr)) {
ether_addr_copy(dev->dev_addr, mac_addr);
ks8851_write_mac_addr(dev);
@@ -442,48 +217,12 @@ static void ks8851_init_mac(struct ks8851_net *ks)
}
/**
- * ks8851_rdfifo - read data from the receive fifo
- * @ks: The device state.
- * @buff: The buffer address
- * @len: The length of the data to read
- *
- * Issue an RXQ FIFO read command and read the @len amount of data from
- * the FIFO into the buffer specified by @buff.
- */
-static void ks8851_rdfifo(struct ks8851_net *ks, u8 *buff, unsigned len)
-{
- struct spi_transfer *xfer = ks->spi_xfer2;
- struct spi_message *msg = &ks->spi_msg2;
- u8 txb[1];
- int ret;
-
- netif_dbg(ks, rx_status, ks->netdev,
- "%s: %d@%p\n", __func__, len, buff);
-
- /* set the operation we're issuing */
- txb[0] = KS_SPIOP_RXFIFO;
-
- xfer->tx_buf = txb;
- xfer->rx_buf = NULL;
- xfer->len = 1;
-
- xfer++;
- xfer->rx_buf = buff;
- xfer->tx_buf = NULL;
- xfer->len = len;
-
- ret = spi_sync(ks->spidev, msg);
- if (ret < 0)
- netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);
-}
-
-/**
* ks8851_dbg_dumpkkt - dump initial packet contents to debug
* @ks: The device state
* @rxpkt: The data for the received packet
*
* Dump the initial data from the packet to dev_dbg().
-*/
+ */
static void ks8851_dbg_dumpkkt(struct ks8851_net *ks, u8 *rxpkt)
{
netdev_dbg(ks->netdev,
@@ -494,6 +233,16 @@ static void ks8851_dbg_dumpkkt(struct ks8851_net *ks, u8 *rxpkt)
}
/**
+ * ks8851_rx_skb - receive skbuff
+ * @ks: The device state.
+ * @skb: The skbuff
+ */
+static void ks8851_rx_skb(struct ks8851_net *ks, struct sk_buff *skb)
+{
+ ks->rx_skb(ks, skb);
+}
+
+/**
* ks8851_rx_pkts - receive packets from the host
* @ks: The device information.
*
@@ -507,10 +256,9 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
unsigned rxfc;
unsigned rxlen;
unsigned rxstat;
- u32 rxh;
u8 *rxpkt;
- rxfc = ks8851_rdreg8(ks, KS_RXFC);
+ rxfc = (ks8851_rdreg16(ks, KS_RXFCTR) >> 8) & 0xff;
netif_dbg(ks, rx_status, ks->netdev,
"%s: %d packets\n", __func__, rxfc);
@@ -526,9 +274,8 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
*/
for (; rxfc != 0; rxfc--) {
- rxh = ks8851_rdreg32(ks, KS_RXFHSR);
- rxstat = rxh & 0xffff;
- rxlen = (rxh >> 16) & 0xfff;
+ rxstat = ks8851_rdreg16(ks, KS_RXFHSR);
+ rxlen = ks8851_rdreg16(ks, KS_RXFHBCR) & RXFHBCR_CNT_MASK;
netif_dbg(ks, rx_status, ks->netdev,
"rx: stat 0x%04x, len 0x%04x\n", rxstat, rxlen);
@@ -557,13 +304,13 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
rxpkt = skb_put(skb, rxlen) - 8;
- ks8851_rdfifo(ks, rxpkt, rxalign + 8);
+ ks->rdfifo(ks, rxpkt, rxalign + 8);
if (netif_msg_pktdata(ks))
ks8851_dbg_dumpkkt(ks, rxpkt);
skb->protocol = eth_type_trans(skb, ks->netdev);
- netif_rx_ni(skb);
+ ks8851_rx_skb(ks, skb);
ks->netdev->stats.rx_packets++;
ks->netdev->stats.rx_bytes += rxlen;
@@ -590,10 +337,11 @@ static void ks8851_rx_pkts(struct ks8851_net *ks)
static irqreturn_t ks8851_irq(int irq, void *_ks)
{
struct ks8851_net *ks = _ks;
- unsigned status;
unsigned handled = 0;
+ unsigned long flags;
+ unsigned int status;
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
status = ks8851_rdreg16(ks, KS_ISR);
@@ -631,7 +379,7 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
handled |= IRQ_RXI;
if (status & IRQ_SPIBEI) {
- dev_err(&ks->spidev->dev, "%s: spi bus error\n", __func__);
+ netdev_err(ks->netdev, "%s: spi bus error\n", __func__);
handled |= IRQ_SPIBEI;
}
@@ -662,7 +410,7 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
ks8851_wrreg16(ks, KS_RXCR1, rxc->rxcr1);
}
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
if (status & IRQ_LCI)
mii_check_link(&ks->mii);
@@ -674,108 +422,13 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
}
/**
- * calc_txlen - calculate size of message to send packet
- * @len: Length of data
- *
- * Returns the size of the TXFIFO message needed to send
- * this packet.
- */
-static inline unsigned calc_txlen(unsigned len)
-{
- return ALIGN(len + 4, 4);
-}
-
-/**
- * ks8851_wrpkt - write packet to TX FIFO
- * @ks: The device state.
- * @txp: The sk_buff to transmit.
- * @irq: IRQ on completion of the packet.
- *
- * Send the @txp to the chip. This means creating the relevant packet header
- * specifying the length of the packet and the other information the chip
- * needs, such as IRQ on completion. Send the header and the packet data to
- * the device.
- */
-static void ks8851_wrpkt(struct ks8851_net *ks, struct sk_buff *txp, bool irq)
-{
- struct spi_transfer *xfer = ks->spi_xfer2;
- struct spi_message *msg = &ks->spi_msg2;
- unsigned fid = 0;
- int ret;
-
- netif_dbg(ks, tx_queued, ks->netdev, "%s: skb %p, %d@%p, irq %d\n",
- __func__, txp, txp->len, txp->data, irq);
-
- fid = ks->fid++;
- fid &= TXFR_TXFID_MASK;
-
- if (irq)
- fid |= TXFR_TXIC; /* irq on completion */
-
- /* start header at txb[1] to align txw entries */
- ks->txh.txb[1] = KS_SPIOP_TXFIFO;
- ks->txh.txw[1] = cpu_to_le16(fid);
- ks->txh.txw[2] = cpu_to_le16(txp->len);
-
- xfer->tx_buf = &ks->txh.txb[1];
- xfer->rx_buf = NULL;
- xfer->len = 5;
-
- xfer++;
- xfer->tx_buf = txp->data;
- xfer->rx_buf = NULL;
- xfer->len = ALIGN(txp->len, 4);
-
- ret = spi_sync(ks->spidev, msg);
- if (ret < 0)
- netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);
-}
-
-/**
- * ks8851_done_tx - update and then free skbuff after transmitting
+ * ks8851_flush_tx_work - flush outstanding TX work
* @ks: The device state
- * @txb: The buffer transmitted
- */
-static void ks8851_done_tx(struct ks8851_net *ks, struct sk_buff *txb)
-{
- struct net_device *dev = ks->netdev;
-
- dev->stats.tx_bytes += txb->len;
- dev->stats.tx_packets++;
-
- dev_kfree_skb(txb);
-}
-
-/**
- * ks8851_tx_work - process tx packet(s)
- * @work: The work strucutre what was scheduled.
- *
- * This is called when a number of packets have been scheduled for
- * transmission and need to be sent to the device.
*/
-static void ks8851_tx_work(struct work_struct *work)
+static void ks8851_flush_tx_work(struct ks8851_net *ks)
{
- struct ks8851_net *ks = container_of(work, struct ks8851_net, tx_work);
- struct sk_buff *txb;
- bool last = skb_queue_empty(&ks->txq);
-
- mutex_lock(&ks->lock);
-
- while (!last) {
- txb = skb_dequeue(&ks->txq);
- last = skb_queue_empty(&ks->txq);
-
- if (txb != NULL) {
- ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
- ks8851_wrpkt(ks, txb, last);
- ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
- ks8851_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
-
- ks8851_done_tx(ks, txb);
- }
- }
-
- mutex_unlock(&ks->lock);
+ if (ks->flush_tx_work)
+ ks->flush_tx_work(ks);
}
/**
@@ -788,6 +441,7 @@ static void ks8851_tx_work(struct work_struct *work)
static int ks8851_net_open(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
int ret;
ret = request_threaded_irq(dev->irq, NULL, ks8851_irq,
@@ -800,7 +454,7 @@ static int ks8851_net_open(struct net_device *dev)
/* lock the card, even if we may not actually be doing anything
* else at the moment */
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
netif_dbg(ks, ifup, ks->netdev, "opening\n");
@@ -844,23 +498,14 @@ static int ks8851_net_open(struct net_device *dev)
ks8851_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
/* clear then enable interrupts */
-
-#define STD_IRQ (IRQ_LCI | /* Link Change */ \
- IRQ_TXI | /* TX done */ \
- IRQ_RXI | /* RX done */ \
- IRQ_SPIBEI | /* SPI bus error */ \
- IRQ_TXPSI | /* TX process stop */ \
- IRQ_RXPSI) /* RX process stop */
-
- ks->rc_ier = STD_IRQ;
- ks8851_wrreg16(ks, KS_ISR, STD_IRQ);
- ks8851_wrreg16(ks, KS_IER, STD_IRQ);
+ ks8851_wrreg16(ks, KS_ISR, ks->rc_ier);
+ ks8851_wrreg16(ks, KS_IER, ks->rc_ier);
netif_start_queue(ks->netdev);
netif_dbg(ks, ifup, ks->netdev, "network device up\n");
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
mii_check_link(&ks->mii);
return 0;
}
@@ -876,22 +521,23 @@ static int ks8851_net_open(struct net_device *dev)
static int ks8851_net_stop(struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
netif_info(ks, ifdown, dev, "shutting down\n");
netif_stop_queue(dev);
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
/* turn off the IRQs and ack any outstanding */
ks8851_wrreg16(ks, KS_IER, 0x0000);
ks8851_wrreg16(ks, KS_ISR, 0xffff);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
/* stop any outstanding work */
- flush_work(&ks->tx_work);
+ ks8851_flush_tx_work(ks);
flush_work(&ks->rxctrl_work);
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
/* shutdown RX process */
ks8851_wrreg16(ks, KS_RXCR1, 0x0000);
@@ -900,7 +546,7 @@ static int ks8851_net_stop(struct net_device *dev)
/* set powermode to soft power down to save power */
ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
/* ensure any queued tx buffers are dumped */
while (!skb_queue_empty(&ks->txq)) {
@@ -934,26 +580,8 @@ static netdev_tx_t ks8851_start_xmit(struct sk_buff *skb,
struct net_device *dev)
{
struct ks8851_net *ks = netdev_priv(dev);
- unsigned needed = calc_txlen(skb->len);
- netdev_tx_t ret = NETDEV_TX_OK;
-
- netif_dbg(ks, tx_queued, ks->netdev,
- "%s: skb %p, %d@%p\n", __func__, skb, skb->len, skb->data);
- spin_lock(&ks->statelock);
-
- if (needed > ks->tx_space) {
- netif_stop_queue(dev);
- ret = NETDEV_TX_BUSY;
- } else {
- ks->tx_space -= needed;
- skb_queue_tail(&ks->txq, skb);
- }
-
- spin_unlock(&ks->statelock);
- schedule_work(&ks->tx_work);
-
- return ret;
+ return ks->start_xmit(skb, dev);
}
/**
@@ -972,13 +600,14 @@ static netdev_tx_t ks8851_start_xmit(struct sk_buff *skb,
static void ks8851_rxctrl_work(struct work_struct *work)
{
struct ks8851_net *ks = container_of(work, struct ks8851_net, rxctrl_work);
+ unsigned long flags;
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
/* need to shutdown RXQ before modifying filter parameters */
ks8851_wrreg16(ks, KS_RXCR1, 0x00);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
}
static void ks8851_set_rx_mode(struct net_device *dev)
@@ -1160,11 +789,6 @@ static void ks8851_eeprom_regwrite(struct eeprom_93cx6 *ee)
*/
static int ks8851_eeprom_claim(struct ks8851_net *ks)
{
- if (!(ks->rc_ccr & CCR_EEPROM))
- return -ENOENT;
-
- mutex_lock(&ks->lock);
-
/* start with clock low, cs high */
ks8851_wrreg16(ks, KS_EEPCR, EEPCR_EESA | EEPCR_EECS);
return 0;
@@ -1181,7 +805,6 @@ static void ks8851_eeprom_release(struct ks8851_net *ks)
unsigned val = ks8851_rdreg16(ks, KS_EEPCR);
ks8851_wrreg16(ks, KS_EEPCR, val & ~EEPCR_EESA);
- mutex_unlock(&ks->lock);
}
#define KS_EEPROM_MAGIC (0x00008851)
@@ -1191,6 +814,7 @@ static int ks8851_set_eeprom(struct net_device *dev,
{
struct ks8851_net *ks = netdev_priv(dev);
int offset = ee->offset;
+ unsigned long flags;
int len = ee->len;
u16 tmp;
@@ -1201,9 +825,13 @@ static int ks8851_set_eeprom(struct net_device *dev,
if (ee->magic != KS_EEPROM_MAGIC)
return -EINVAL;
- if (ks8851_eeprom_claim(ks))
+ if (!(ks->rc_ccr & CCR_EEPROM))
return -ENOENT;
+ ks8851_lock(ks, &flags);
+
+ ks8851_eeprom_claim(ks);
+
eeprom_93cx6_wren(&ks->eeprom, true);
/* ethtool currently only supports writing bytes, which means
@@ -1223,6 +851,7 @@ static int ks8851_set_eeprom(struct net_device *dev,
eeprom_93cx6_wren(&ks->eeprom, false);
ks8851_eeprom_release(ks);
+ ks8851_unlock(ks, &flags);
return 0;
}
@@ -1232,19 +861,25 @@ static int ks8851_get_eeprom(struct net_device *dev,
{
struct ks8851_net *ks = netdev_priv(dev);
int offset = ee->offset;
+ unsigned long flags;
int len = ee->len;
/* must be 2 byte aligned */
if (len & 1 || offset & 1)
return -EINVAL;
- if (ks8851_eeprom_claim(ks))
+ if (!(ks->rc_ccr & CCR_EEPROM))
return -ENOENT;
+ ks8851_lock(ks, &flags);
+
+ ks8851_eeprom_claim(ks);
+
ee->magic = KS_EEPROM_MAGIC;
eeprom_93cx6_multiread(&ks->eeprom, offset/2, (__le16 *)data, len/2);
ks8851_eeprom_release(ks);
+ ks8851_unlock(ks, &flags);
return 0;
}
@@ -1318,6 +953,7 @@ static int ks8851_phy_reg(int reg)
static int ks8851_phy_read(struct net_device *dev, int phy_addr, int reg)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
int ksreg;
int result;
@@ -1325,9 +961,9 @@ static int ks8851_phy_read(struct net_device *dev, int phy_addr, int reg)
if (!ksreg)
return 0x0; /* no error return allowed, so use zero */
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
result = ks8851_rdreg16(ks, ksreg);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
return result;
}
@@ -1336,13 +972,14 @@ static void ks8851_phy_write(struct net_device *dev,
int phy, int reg, int value)
{
struct ks8851_net *ks = netdev_priv(dev);
+ unsigned long flags;
int ksreg;
ksreg = ks8851_phy_reg(reg);
if (ksreg) {
- mutex_lock(&ks->lock);
+ ks8851_lock(ks, &flags);
ks8851_wrreg16(ks, ksreg, value);
- mutex_unlock(&ks->lock);
+ ks8851_unlock(ks, &flags);
}
}
@@ -1382,7 +1019,7 @@ static int ks8851_read_selftest(struct ks8851_net *ks)
#ifdef CONFIG_PM_SLEEP
-static int ks8851_suspend(struct device *dev)
+int ks8851_suspend(struct device *dev)
{
struct ks8851_net *ks = dev_get_drvdata(dev);
struct net_device *netdev = ks->netdev;
@@ -1395,7 +1032,7 @@ static int ks8851_suspend(struct device *dev)
return 0;
}
-static int ks8851_resume(struct device *dev)
+int ks8851_resume(struct device *dev)
{
struct ks8851_net *ks = dev_get_drvdata(dev);
struct net_device *netdev = ks->netdev;
@@ -1409,46 +1046,32 @@ static int ks8851_resume(struct device *dev)
}
#endif
-static SIMPLE_DEV_PM_OPS(ks8851_pm_ops, ks8851_suspend, ks8851_resume);
-
-static int ks8851_probe(struct spi_device *spi)
+int ks8851_probe_common(struct net_device *netdev, struct device *dev,
+ int msg_en)
{
- struct net_device *ndev;
- struct ks8851_net *ks;
- int ret;
+ struct ks8851_net *ks = netdev_priv(netdev);
unsigned cider;
int gpio;
+ int ret;
- ndev = alloc_etherdev(sizeof(struct ks8851_net));
- if (!ndev)
- return -ENOMEM;
-
- spi->bits_per_word = 8;
-
- ks = netdev_priv(ndev);
-
- ks->netdev = ndev;
- ks->spidev = spi;
+ ks->netdev = netdev;
ks->tx_space = 6144;
- gpio = of_get_named_gpio_flags(spi->dev.of_node, "reset-gpios",
- 0, NULL);
- if (gpio == -EPROBE_DEFER) {
- ret = gpio;
- goto err_gpio;
- }
+ gpio = of_get_named_gpio_flags(dev->of_node, "reset-gpios", 0, NULL);
+ if (gpio == -EPROBE_DEFER)
+ return gpio;
ks->gpio = gpio;
if (gpio_is_valid(gpio)) {
- ret = devm_gpio_request_one(&spi->dev, gpio,
+ ret = devm_gpio_request_one(dev, gpio,
GPIOF_OUT_INIT_LOW, "ks8851_rst_n");
if (ret) {
- dev_err(&spi->dev, "reset gpio request failed\n");
- goto err_gpio;
+ dev_err(dev, "reset gpio request failed\n");
+ return ret;
}
}
- ks->vdd_io = devm_regulator_get(&spi->dev, "vdd-io");
+ ks->vdd_io = devm_regulator_get(dev, "vdd-io");
if (IS_ERR(ks->vdd_io)) {
ret = PTR_ERR(ks->vdd_io);
goto err_reg_io;
@@ -1456,12 +1079,11 @@ static int ks8851_probe(struct spi_device *spi)
ret = regulator_enable(ks->vdd_io);
if (ret) {
- dev_err(&spi->dev, "regulator vdd_io enable fail: %d\n",
- ret);
+ dev_err(dev, "regulator vdd_io enable fail: %d\n", ret);
goto err_reg_io;
}
- ks->vdd_reg = devm_regulator_get(&spi->dev, "vdd");
+ ks->vdd_reg = devm_regulator_get(dev, "vdd");
if (IS_ERR(ks->vdd_reg)) {
ret = PTR_ERR(ks->vdd_reg);
goto err_reg;
@@ -1469,8 +1091,7 @@ static int ks8851_probe(struct spi_device *spi)
ret = regulator_enable(ks->vdd_reg);
if (ret) {
- dev_err(&spi->dev, "regulator vdd enable fail: %d\n",
- ret);
+ dev_err(dev, "regulator vdd enable fail: %d\n", ret);
goto err_reg;
}
@@ -1479,54 +1100,41 @@ static int ks8851_probe(struct spi_device *spi)
gpio_set_value(gpio, 1);
}
- mutex_init(&ks->lock);
spin_lock_init(&ks->statelock);
- INIT_WORK(&ks->tx_work, ks8851_tx_work);
INIT_WORK(&ks->rxctrl_work, ks8851_rxctrl_work);
- /* initialise pre-made spi transfer messages */
-
- spi_message_init(&ks->spi_msg1);
- spi_message_add_tail(&ks->spi_xfer1, &ks->spi_msg1);
-
- spi_message_init(&ks->spi_msg2);
- spi_message_add_tail(&ks->spi_xfer2[0], &ks->spi_msg2);
- spi_message_add_tail(&ks->spi_xfer2[1], &ks->spi_msg2);
-
/* setup EEPROM state */
-
ks->eeprom.data = ks;
ks->eeprom.width = PCI_EEPROM_WIDTH_93C46;
ks->eeprom.register_read = ks8851_eeprom_regread;
ks->eeprom.register_write = ks8851_eeprom_regwrite;
/* setup mii state */
- ks->mii.dev = ndev;
+ ks->mii.dev = netdev;
ks->mii.phy_id = 1,
ks->mii.phy_id_mask = 1;
ks->mii.reg_num_mask = 0xf;
ks->mii.mdio_read = ks8851_phy_read;
ks->mii.mdio_write = ks8851_phy_write;
- dev_info(&spi->dev, "message enable is %d\n", msg_enable);
+ dev_info(dev, "message enable is %d\n", msg_en);
/* set the default message enable */
- ks->msg_enable = netif_msg_init(msg_enable, (NETIF_MSG_DRV |
- NETIF_MSG_PROBE |
- NETIF_MSG_LINK));
+ ks->msg_enable = netif_msg_init(msg_en, NETIF_MSG_DRV |
+ NETIF_MSG_PROBE |
+ NETIF_MSG_LINK);
skb_queue_head_init(&ks->txq);
- ndev->ethtool_ops = &ks8851_ethtool_ops;
- SET_NETDEV_DEV(ndev, &spi->dev);
+ netdev->ethtool_ops = &ks8851_ethtool_ops;
+ SET_NETDEV_DEV(netdev, dev);
- spi_set_drvdata(spi, ks);
+ dev_set_drvdata(dev, ks);
netif_carrier_off(ks->netdev);
- ndev->if_port = IF_PORT_100BASET;
- ndev->netdev_ops = &ks8851_netdev_ops;
- ndev->irq = spi->irq;
+ netdev->if_port = IF_PORT_100BASET;
+ netdev->netdev_ops = &ks8851_netdev_ops;
/* issue a global soft reset to reset the device. */
ks8851_soft_reset(ks, GRR_GSR);
@@ -1534,7 +1142,7 @@ static int ks8851_probe(struct spi_device *spi)
/* simple check for a valid chip being connected to the bus */
cider = ks8851_rdreg16(ks, KS_CIDER);
if ((cider & ~CIDER_REV_MASK) != CIDER_ID) {
- dev_err(&spi->dev, "failed to read device ID\n");
+ dev_err(dev, "failed to read device ID\n");
ret = -ENODEV;
goto err_id;
}
@@ -1543,16 +1151,16 @@ static int ks8851_probe(struct spi_device *spi)
ks->rc_ccr = ks8851_rdreg16(ks, KS_CCR);
ks8851_read_selftest(ks);
- ks8851_init_mac(ks);
+ ks8851_init_mac(ks, dev->of_node);
- ret = register_netdev(ndev);
+ ret = register_netdev(netdev);
if (ret) {
- dev_err(&spi->dev, "failed to register network device\n");
+ dev_err(dev, "failed to register network device\n");
goto err_netdev;
}
- netdev_info(ndev, "revision %d, MAC %pM, IRQ %d, %s EEPROM\n",
- CIDER_REV_GET(cider), ndev->dev_addr, ndev->irq,
+ netdev_info(netdev, "revision %d, MAC %pM, IRQ %d, %s EEPROM\n",
+ CIDER_REV_GET(cider), netdev->dev_addr, netdev->irq,
ks->rc_ccr & CCR_EEPROM ? "has" : "no");
return 0;
@@ -1565,49 +1173,21 @@ err_id:
err_reg:
regulator_disable(ks->vdd_io);
err_reg_io:
-err_gpio:
- free_netdev(ndev);
return ret;
}
-static int ks8851_remove(struct spi_device *spi)
+int ks8851_remove_common(struct device *dev)
{
- struct ks8851_net *priv = spi_get_drvdata(spi);
+ struct ks8851_net *priv = dev_get_drvdata(dev);
if (netif_msg_drv(priv))
- dev_info(&spi->dev, "remove\n");
+ dev_info(dev, "remove\n");
unregister_netdev(priv->netdev);
if (gpio_is_valid(priv->gpio))
gpio_set_value(priv->gpio, 0);
regulator_disable(priv->vdd_reg);
regulator_disable(priv->vdd_io);
- free_netdev(priv->netdev);
return 0;
}
-
-static const struct of_device_id ks8851_match_table[] = {
- { .compatible = "micrel,ks8851" },
- { }
-};
-MODULE_DEVICE_TABLE(of, ks8851_match_table);
-
-static struct spi_driver ks8851_driver = {
- .driver = {
- .name = "ks8851",
- .of_match_table = ks8851_match_table,
- .pm = &ks8851_pm_ops,
- },
- .probe = ks8851_probe,
- .remove = ks8851_remove,
-};
-module_spi_driver(ks8851_driver);
-
-MODULE_DESCRIPTION("KS8851 Network driver");
-MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
-MODULE_LICENSE("GPL");
-
-module_param_named(message, msg_enable, int, 0);
-MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)");
-MODULE_ALIAS("spi:ks8851");
diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c
deleted file mode 100644
index 45cc840d8e2e..000000000000
--- a/drivers/net/ethernet/micrel/ks8851_mll.c
+++ /dev/null
@@ -1,1393 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/**
- * drivers/net/ethernet/micrel/ks8851_mll.c
- * Copyright (c) 2009 Micrel Inc.
- */
-
-/* Supports:
- * KS8851 16bit MLL chip from Micrel Inc.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/cache.h>
-#include <linux/crc32.h>
-#include <linux/crc32poly.h>
-#include <linux/mii.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/ks8851_mll.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
-#include <linux/of_net.h>
-
-#include "ks8851.h"
-
-#define DRV_NAME "ks8851_mll"
-
-static u8 KS_DEFAULT_MAC_ADDRESS[] = { 0x00, 0x10, 0xA1, 0x86, 0x95, 0x11 };
-#define MAX_RECV_FRAMES 255
-#define MAX_BUF_SIZE 2048
-#define TX_BUF_SIZE 2000
-#define RX_BUF_SIZE 2000
-
-#define RXCR1_FILTER_MASK (RXCR1_RXINVF | RXCR1_RXAE | \
- RXCR1_RXMAFMA | RXCR1_RXPAFMA)
-#define RXQCR_CMD_CNTL (RXQCR_RXFCTE|RXQCR_ADRFE)
-
-#define ENUM_BUS_NONE 0
-#define ENUM_BUS_8BIT 1
-#define ENUM_BUS_16BIT 2
-#define ENUM_BUS_32BIT 3
-
-#define MAX_MCAST_LST 32
-#define HW_MCAST_SIZE 8
-
-/**
- * union ks_tx_hdr - tx header data
- * @txb: The header as bytes
- * @txw: The header as 16bit, little-endian words
- *
- * A dual representation of the tx header data to allow
- * access to individual bytes, and to allow 16bit accesses
- * with 16bit alignment.
- */
-union ks_tx_hdr {
- u8 txb[4];
- __le16 txw[2];
-};
-
-/**
- * struct ks_net - KS8851 driver private data
- * @net_device : The network device we're bound to
- * @hw_addr : start address of data register.
- * @hw_addr_cmd : start address of command register.
- * @txh : temporaly buffer to save status/length.
- * @lock : Lock to ensure that the device is not accessed when busy.
- * @pdev : Pointer to platform device.
- * @mii : The MII state information for the mii calls.
- * @frame_head_info : frame header information for multi-pkt rx.
- * @statelock : Lock on this structure for tx list.
- * @msg_enable : The message flags controlling driver output (see ethtool).
- * @frame_cnt : number of frames received.
- * @bus_width : i/o bus width.
- * @rc_rxqcr : Cached copy of KS_RXQCR.
- * @rc_txcr : Cached copy of KS_TXCR.
- * @rc_ier : Cached copy of KS_IER.
- * @sharedbus : Multipex(addr and data bus) mode indicator.
- * @cmd_reg_cache : command register cached.
- * @cmd_reg_cache_int : command register cached. Used in the irq handler.
- * @promiscuous : promiscuous mode indicator.
- * @all_mcast : mutlicast indicator.
- * @mcast_lst_size : size of multicast list.
- * @mcast_lst : multicast list.
- * @mcast_bits : multicast enabed.
- * @mac_addr : MAC address assigned to this device.
- * @fid : frame id.
- * @extra_byte : number of extra byte prepended rx pkt.
- * @enabled : indicator this device works.
- *
- * The @lock ensures that the chip is protected when certain operations are
- * in progress. When the read or write packet transfer is in progress, most
- * of the chip registers are not accessible until the transfer is finished and
- * the DMA has been de-asserted.
- *
- * The @statelock is used to protect information in the structure which may
- * need to be accessed via several sources, such as the network driver layer
- * or one of the work queues.
- *
- */
-
-/* Receive multiplex framer header info */
-struct type_frame_head {
- u16 sts; /* Frame status */
- u16 len; /* Byte count */
-};
-
-struct ks_net {
- struct net_device *netdev;
- void __iomem *hw_addr;
- void __iomem *hw_addr_cmd;
- union ks_tx_hdr txh ____cacheline_aligned;
- struct mutex lock; /* spinlock to be interrupt safe */
- struct platform_device *pdev;
- struct mii_if_info mii;
- struct type_frame_head *frame_head_info;
- spinlock_t statelock;
- u32 msg_enable;
- u32 frame_cnt;
- int bus_width;
-
- u16 rc_rxqcr;
- u16 rc_txcr;
- u16 rc_ier;
- u16 sharedbus;
- u16 cmd_reg_cache;
- u16 cmd_reg_cache_int;
- u16 promiscuous;
- u16 all_mcast;
- u16 mcast_lst_size;
- u8 mcast_lst[MAX_MCAST_LST][ETH_ALEN];
- u8 mcast_bits[HW_MCAST_SIZE];
- u8 mac_addr[6];
- u8 fid;
- u8 extra_byte;
- u8 enabled;
-};
-
-static int msg_enable;
-
-#define BE3 0x8000 /* Byte Enable 3 */
-#define BE2 0x4000 /* Byte Enable 2 */
-#define BE1 0x2000 /* Byte Enable 1 */
-#define BE0 0x1000 /* Byte Enable 0 */
-
-/* register read/write calls.
- *
- * All these calls issue transactions to access the chip's registers. They
- * all require that the necessary lock is held to prevent accesses when the
- * chip is busy transferring packet data (RX/TX FIFO accesses).
- */
-
-/**
- * ks_check_endian - Check whether endianness of the bus is correct
- * @ks : The chip information
- *
- * The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit
- * bus. To maintain optimum performance, the bus endianness should be set
- * such that it matches the endianness of the CPU.
- */
-
-static int ks_check_endian(struct ks_net *ks)
-{
- u16 cider;
-
- /*
- * Read CIDER register first, however read it the "wrong" way around.
- * If the endian strap on the KS8851-16MLL in incorrect and the chip
- * is operating in different endianness than the CPU, then the meaning
- * of BE[3:0] byte-enable bits is also swapped such that:
- * BE[3,2,1,0] becomes BE[1,0,3,2]
- *
- * Luckily for us, the byte-enable bits are the top four MSbits of
- * the address register and the CIDER register is at offset 0xc0.
- * Hence, by reading address 0xc0c0, which is not impacted by endian
- * swapping, we assert either BE[3:2] or BE[1:0] while reading the
- * CIDER register.
- *
- * If the bus configuration is correct, reading 0xc0c0 asserts
- * BE[3:2] and this read returns 0x0000, because to read register
- * with bottom two LSbits of address set to 0, BE[1:0] must be
- * asserted.
- *
- * If the bus configuration is NOT correct, reading 0xc0c0 asserts
- * BE[1:0] and this read returns non-zero 0x8872 value.
- */
- iowrite16(BE3 | BE2 | KS_CIDER, ks->hw_addr_cmd);
- cider = ioread16(ks->hw_addr);
- if (!cider)
- return 0;
-
- netdev_err(ks->netdev, "incorrect EESK endian strap setting\n");
-
- return -EINVAL;
-}
-
-/**
- * ks_rdreg16 - read 16 bit register from device
- * @ks : The chip information
- * @offset: The register address
- *
- * Read a 16bit register from the chip, returning the result
- */
-
-static u16 ks_rdreg16(struct ks_net *ks, int offset)
-{
- ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
- iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
- return ioread16(ks->hw_addr);
-}
-
-/**
- * ks_wrreg16 - write 16bit register value to chip
- * @ks: The chip information
- * @offset: The register address
- * @value: The value to write
- *
- */
-
-static void ks_wrreg16(struct ks_net *ks, int offset, u16 value)
-{
- ks->cmd_reg_cache = (u16)offset | ((BE1 | BE0) << (offset & 0x02));
- iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
- iowrite16(value, ks->hw_addr);
-}
-
-/**
- * ks_inblk - read a block of data from QMU. This is called after sudo DMA mode enabled.
- * @ks: The chip state
- * @wptr: buffer address to save data
- * @len: length in byte to read
- *
- */
-static inline void ks_inblk(struct ks_net *ks, u16 *wptr, u32 len)
-{
- len >>= 1;
- while (len--)
- *wptr++ = (u16)ioread16(ks->hw_addr);
-}
-
-/**
- * ks_outblk - write data to QMU. This is called after sudo DMA mode enabled.
- * @ks: The chip information
- * @wptr: buffer address
- * @len: length in byte to write
- *
- */
-static inline void ks_outblk(struct ks_net *ks, u16 *wptr, u32 len)
-{
- len >>= 1;
- while (len--)
- iowrite16(*wptr++, ks->hw_addr);
-}
-
-static void ks_disable_int(struct ks_net *ks)
-{
- ks_wrreg16(ks, KS_IER, 0x0000);
-} /* ks_disable_int */
-
-static void ks_enable_int(struct ks_net *ks)
-{
- ks_wrreg16(ks, KS_IER, ks->rc_ier);
-} /* ks_enable_int */
-
-/**
- * ks_tx_fifo_space - return the available hardware buffer size.
- * @ks: The chip information
- *
- */
-static inline u16 ks_tx_fifo_space(struct ks_net *ks)
-{
- return ks_rdreg16(ks, KS_TXMIR) & 0x1fff;
-}
-
-/**
- * ks_save_cmd_reg - save the command register from the cache.
- * @ks: The chip information
- *
- */
-static inline void ks_save_cmd_reg(struct ks_net *ks)
-{
- /*ks8851 MLL has a bug to read back the command register.
- * So rely on software to save the content of command register.
- */
- ks->cmd_reg_cache_int = ks->cmd_reg_cache;
-}
-
-/**
- * ks_restore_cmd_reg - restore the command register from the cache and
- * write to hardware register.
- * @ks: The chip information
- *
- */
-static inline void ks_restore_cmd_reg(struct ks_net *ks)
-{
- ks->cmd_reg_cache = ks->cmd_reg_cache_int;
- iowrite16(ks->cmd_reg_cache, ks->hw_addr_cmd);
-}
-
-/**
- * ks_set_powermode - set power mode of the device
- * @ks: The chip information
- * @pwrmode: The power mode value to write to KS_PMECR.
- *
- * Change the power mode of the chip.
- */
-static void ks_set_powermode(struct ks_net *ks, unsigned pwrmode)
-{
- unsigned pmecr;
-
- netif_dbg(ks, hw, ks->netdev, "setting power mode %d\n", pwrmode);
-
- ks_rdreg16(ks, KS_GRR);
- pmecr = ks_rdreg16(ks, KS_PMECR);
- pmecr &= ~PMECR_PM_MASK;
- pmecr |= pwrmode;
-
- ks_wrreg16(ks, KS_PMECR, pmecr);
-}
-
-/**
- * ks_read_config - read chip configuration of bus width.
- * @ks: The chip information
- *
- */
-static void ks_read_config(struct ks_net *ks)
-{
- u16 reg_data = 0;
-
- /* Regardless of bus width, 8 bit read should always work.*/
- reg_data = ks_rdreg16(ks, KS_CCR);
-
- /* addr/data bus are multiplexed */
- ks->sharedbus = (reg_data & CCR_SHARED) == CCR_SHARED;
-
- /* There are garbage data when reading data from QMU,
- depending on bus-width.
- */
-
- if (reg_data & CCR_8BIT) {
- ks->bus_width = ENUM_BUS_8BIT;
- ks->extra_byte = 1;
- } else if (reg_data & CCR_16BIT) {
- ks->bus_width = ENUM_BUS_16BIT;
- ks->extra_byte = 2;
- } else {
- ks->bus_width = ENUM_BUS_32BIT;
- ks->extra_byte = 4;
- }
-}
-
-/**
- * ks_soft_reset - issue one of the soft reset to the device
- * @ks: The device state.
- * @op: The bit(s) to set in the GRR
- *
- * Issue the relevant soft-reset command to the device's GRR register
- * specified by @op.
- *
- * Note, the delays are in there as a caution to ensure that the reset
- * has time to take effect and then complete. Since the datasheet does
- * not currently specify the exact sequence, we have chosen something
- * that seems to work with our device.
- */
-static void ks_soft_reset(struct ks_net *ks, unsigned op)
-{
- /* Disable interrupt first */
- ks_wrreg16(ks, KS_IER, 0x0000);
- ks_wrreg16(ks, KS_GRR, op);
- mdelay(10); /* wait a short time to effect reset */
- ks_wrreg16(ks, KS_GRR, 0);
- mdelay(1); /* wait for condition to clear */
-}
-
-
-static void ks_enable_qmu(struct ks_net *ks)
-{
- u16 w;
-
- w = ks_rdreg16(ks, KS_TXCR);
- /* Enables QMU Transmit (TXCR). */
- ks_wrreg16(ks, KS_TXCR, w | TXCR_TXE);
-
- /*
- * RX Frame Count Threshold Enable and Auto-Dequeue RXQ Frame
- * Enable
- */
-
- w = ks_rdreg16(ks, KS_RXQCR);
- ks_wrreg16(ks, KS_RXQCR, w | RXQCR_RXFCTE);
-
- /* Enables QMU Receive (RXCR1). */
- w = ks_rdreg16(ks, KS_RXCR1);
- ks_wrreg16(ks, KS_RXCR1, w | RXCR1_RXE);
- ks->enabled = true;
-} /* ks_enable_qmu */
-
-static void ks_disable_qmu(struct ks_net *ks)
-{
- u16 w;
-
- w = ks_rdreg16(ks, KS_TXCR);
-
- /* Disables QMU Transmit (TXCR). */
- w &= ~TXCR_TXE;
- ks_wrreg16(ks, KS_TXCR, w);
-
- /* Disables QMU Receive (RXCR1). */
- w = ks_rdreg16(ks, KS_RXCR1);
- w &= ~RXCR1_RXE ;
- ks_wrreg16(ks, KS_RXCR1, w);
-
- ks->enabled = false;
-
-} /* ks_disable_qmu */
-
-/**
- * ks_read_qmu - read 1 pkt data from the QMU.
- * @ks: The chip information
- * @buf: buffer address to save 1 pkt
- * @len: Pkt length
- * Here is the sequence to read 1 pkt:
- * 1. set sudo DMA mode
- * 2. read prepend data
- * 3. read pkt data
- * 4. reset sudo DMA Mode
- */
-static inline void ks_read_qmu(struct ks_net *ks, u16 *buf, u32 len)
-{
- u32 r = ks->extra_byte & 0x1 ;
- u32 w = ks->extra_byte - r;
-
- /* 1. set sudo DMA mode */
- ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI);
- ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
-
- /* 2. read prepend data */
- /**
- * read 4 + extra bytes and discard them.
- * extra bytes for dummy, 2 for status, 2 for len
- */
-
- /* use likely(r) for 8 bit access for performance */
- if (unlikely(r))
- ioread8(ks->hw_addr);
- ks_inblk(ks, buf, w + 2 + 2);
-
- /* 3. read pkt data */
- ks_inblk(ks, buf, ALIGN(len, 4));
-
- /* 4. reset sudo DMA Mode */
- ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
-}
-
-/**
- * ks_rcv - read multiple pkts data from the QMU.
- * @ks: The chip information
- * @netdev: The network device being opened.
- *
- * Read all of header information before reading pkt content.
- * It is not allowed only port of pkts in QMU after issuing
- * interrupt ack.
- */
-static void ks_rcv(struct ks_net *ks, struct net_device *netdev)
-{
- u32 i;
- struct type_frame_head *frame_hdr = ks->frame_head_info;
- struct sk_buff *skb;
-
- ks->frame_cnt = ks_rdreg16(ks, KS_RXFCTR) >> 8;
-
- /* read all header information */
- for (i = 0; i < ks->frame_cnt; i++) {
- /* Checking Received packet status */
- frame_hdr->sts = ks_rdreg16(ks, KS_RXFHSR);
- /* Get packet len from hardware */
- frame_hdr->len = ks_rdreg16(ks, KS_RXFHBCR);
- frame_hdr++;
- }
-
- frame_hdr = ks->frame_head_info;
- while (ks->frame_cnt--) {
- if (unlikely(!(frame_hdr->sts & RXFSHR_RXFV) ||
- frame_hdr->len >= RX_BUF_SIZE ||
- frame_hdr->len <= 0)) {
-
- /* discard an invalid packet */
- ks_wrreg16(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_RRXEF));
- netdev->stats.rx_dropped++;
- if (!(frame_hdr->sts & RXFSHR_RXFV))
- netdev->stats.rx_frame_errors++;
- else
- netdev->stats.rx_length_errors++;
- frame_hdr++;
- continue;
- }
-
- skb = netdev_alloc_skb(netdev, frame_hdr->len + 16);
- if (likely(skb)) {
- skb_reserve(skb, 2);
- /* read data block including CRC 4 bytes */
- ks_read_qmu(ks, (u16 *)skb->data, frame_hdr->len);
- skb_put(skb, frame_hdr->len - 4);
- skb->protocol = eth_type_trans(skb, netdev);
- netif_rx(skb);
- /* exclude CRC size */
- netdev->stats.rx_bytes += frame_hdr->len - 4;
- netdev->stats.rx_packets++;
- } else {
- ks_wrreg16(ks, KS_RXQCR, (ks->rc_rxqcr | RXQCR_RRXEF));
- netdev->stats.rx_dropped++;
- }
- frame_hdr++;
- }
-}
-
-/**
- * ks_update_link_status - link status update.
- * @netdev: The network device being opened.
- * @ks: The chip information
- *
- */
-
-static void ks_update_link_status(struct net_device *netdev, struct ks_net *ks)
-{
- /* check the status of the link */
- u32 link_up_status;
- if (ks_rdreg16(ks, KS_P1SR) & P1SR_LINK_GOOD) {
- netif_carrier_on(netdev);
- link_up_status = true;
- } else {
- netif_carrier_off(netdev);
- link_up_status = false;
- }
- netif_dbg(ks, link, ks->netdev,
- "%s: %s\n", __func__, link_up_status ? "UP" : "DOWN");
-}
-
-/**
- * ks_irq - device interrupt handler
- * @irq: Interrupt number passed from the IRQ handler.
- * @pw: The private word passed to register_irq(), our struct ks_net.
- *
- * This is the handler invoked to find out what happened
- *
- * Read the interrupt status, work out what needs to be done and then clear
- * any of the interrupts that are not needed.
- */
-
-static irqreturn_t ks_irq(int irq, void *pw)
-{
- struct net_device *netdev = pw;
- struct ks_net *ks = netdev_priv(netdev);
- unsigned long flags;
- u16 status;
-
- spin_lock_irqsave(&ks->statelock, flags);
- /*this should be the first in IRQ handler */
- ks_save_cmd_reg(ks);
-
- status = ks_rdreg16(ks, KS_ISR);
- if (unlikely(!status)) {
- ks_restore_cmd_reg(ks);
- spin_unlock_irqrestore(&ks->statelock, flags);
- return IRQ_NONE;
- }
-
- ks_wrreg16(ks, KS_ISR, status);
-
- if (likely(status & IRQ_RXI))
- ks_rcv(ks, netdev);
-
- if (unlikely(status & IRQ_LCI))
- ks_update_link_status(netdev, ks);
-
- if (unlikely(status & IRQ_TXI))
- netif_wake_queue(netdev);
-
- if (unlikely(status & IRQ_LDI)) {
-
- u16 pmecr = ks_rdreg16(ks, KS_PMECR);
- pmecr &= ~PMECR_WKEVT_MASK;
- ks_wrreg16(ks, KS_PMECR, pmecr | PMECR_WKEVT_LINK);
- }
-
- if (unlikely(status & IRQ_RXOI))
- ks->netdev->stats.rx_over_errors++;
- /* this should be the last in IRQ handler*/
- ks_restore_cmd_reg(ks);
- spin_unlock_irqrestore(&ks->statelock, flags);
- return IRQ_HANDLED;
-}
-
-
-/**
- * ks_net_open - open network device
- * @netdev: The network device being opened.
- *
- * Called when the network device is marked active, such as a user executing
- * 'ifconfig up' on the device.
- */
-static int ks_net_open(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
- int err;
-
-#define KS_INT_FLAGS IRQF_TRIGGER_LOW
- /* lock the card, even if we may not actually do anything
- * else at the moment.
- */
-
- netif_dbg(ks, ifup, ks->netdev, "%s - entry\n", __func__);
-
- /* reset the HW */
- err = request_irq(netdev->irq, ks_irq, KS_INT_FLAGS, DRV_NAME, netdev);
-
- if (err) {
- pr_err("Failed to request IRQ: %d: %d\n", netdev->irq, err);
- return err;
- }
-
- /* wake up powermode to normal mode */
- ks_set_powermode(ks, PMECR_PM_NORMAL);
- mdelay(1); /* wait for normal mode to take effect */
-
- ks_wrreg16(ks, KS_ISR, 0xffff);
- ks_enable_int(ks);
- ks_enable_qmu(ks);
- netif_start_queue(ks->netdev);
-
- netif_dbg(ks, ifup, ks->netdev, "network device up\n");
-
- return 0;
-}
-
-/**
- * ks_net_stop - close network device
- * @netdev: The device being closed.
- *
- * Called to close down a network device which has been active. Cancell any
- * work, shutdown the RX and TX process and then place the chip into a low
- * power state whilst it is not being used.
- */
-static int ks_net_stop(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
-
- netif_info(ks, ifdown, netdev, "shutting down\n");
-
- netif_stop_queue(netdev);
-
- mutex_lock(&ks->lock);
-
- /* turn off the IRQs and ack any outstanding */
- ks_wrreg16(ks, KS_IER, 0x0000);
- ks_wrreg16(ks, KS_ISR, 0xffff);
-
- /* shutdown RX/TX QMU */
- ks_disable_qmu(ks);
- ks_disable_int(ks);
-
- /* set powermode to soft power down to save power */
- ks_set_powermode(ks, PMECR_PM_SOFTDOWN);
- free_irq(netdev->irq, netdev);
- mutex_unlock(&ks->lock);
- return 0;
-}
-
-
-/**
- * ks_write_qmu - write 1 pkt data to the QMU.
- * @ks: The chip information
- * @pdata: buffer address to save 1 pkt
- * @len: Pkt length in byte
- * Here is the sequence to write 1 pkt:
- * 1. set sudo DMA mode
- * 2. write status/length
- * 3. write pkt data
- * 4. reset sudo DMA Mode
- * 5. reset sudo DMA mode
- * 6. Wait until pkt is out
- */
-static void ks_write_qmu(struct ks_net *ks, u8 *pdata, u16 len)
-{
- /* start header at txb[0] to align txw entries */
- ks->txh.txw[0] = 0;
- ks->txh.txw[1] = cpu_to_le16(len);
-
- /* 1. set sudo-DMA mode */
- ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
- /* 2. write status/lenth info */
- ks_outblk(ks, ks->txh.txw, 4);
- /* 3. write pkt data */
- ks_outblk(ks, (u16 *)pdata, ALIGN(len, 4));
- /* 4. reset sudo-DMA mode */
- ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
- /* 5. Enqueue Tx(move the pkt from TX buffer into TXQ) */
- ks_wrreg16(ks, KS_TXQCR, TXQCR_METFE);
- /* 6. wait until TXQCR_METFE is auto-cleared */
- while (ks_rdreg16(ks, KS_TXQCR) & TXQCR_METFE)
- ;
-}
-
-/**
- * ks_start_xmit - transmit packet
- * @skb : The buffer to transmit
- * @netdev : The device used to transmit the packet.
- *
- * Called by the network layer to transmit the @skb.
- * spin_lock_irqsave is required because tx and rx should be mutual exclusive.
- * So while tx is in-progress, prevent IRQ interrupt from happenning.
- */
-static netdev_tx_t ks_start_xmit(struct sk_buff *skb, struct net_device *netdev)
-{
- netdev_tx_t retv = NETDEV_TX_OK;
- struct ks_net *ks = netdev_priv(netdev);
- unsigned long flags;
-
- spin_lock_irqsave(&ks->statelock, flags);
-
- /* Extra space are required:
- * 4 byte for alignment, 4 for status/length, 4 for CRC
- */
-
- if (likely(ks_tx_fifo_space(ks) >= skb->len + 12)) {
- ks_write_qmu(ks, skb->data, skb->len);
- /* add tx statistics */
- netdev->stats.tx_bytes += skb->len;
- netdev->stats.tx_packets++;
- dev_kfree_skb(skb);
- } else
- retv = NETDEV_TX_BUSY;
- spin_unlock_irqrestore(&ks->statelock, flags);
- return retv;
-}
-
-/**
- * ks_start_rx - ready to serve pkts
- * @ks : The chip information
- *
- */
-static void ks_start_rx(struct ks_net *ks)
-{
- u16 cntl;
-
- /* Enables QMU Receive (RXCR1). */
- cntl = ks_rdreg16(ks, KS_RXCR1);
- cntl |= RXCR1_RXE ;
- ks_wrreg16(ks, KS_RXCR1, cntl);
-} /* ks_start_rx */
-
-/**
- * ks_stop_rx - stop to serve pkts
- * @ks : The chip information
- *
- */
-static void ks_stop_rx(struct ks_net *ks)
-{
- u16 cntl;
-
- /* Disables QMU Receive (RXCR1). */
- cntl = ks_rdreg16(ks, KS_RXCR1);
- cntl &= ~RXCR1_RXE ;
- ks_wrreg16(ks, KS_RXCR1, cntl);
-
-} /* ks_stop_rx */
-
-static unsigned long const ethernet_polynomial = CRC32_POLY_BE;
-
-static unsigned long ether_gen_crc(int length, u8 *data)
-{
- long crc = -1;
- while (--length >= 0) {
- u8 current_octet = *data++;
- int bit;
-
- for (bit = 0; bit < 8; bit++, current_octet >>= 1) {
- crc = (crc << 1) ^
- ((crc < 0) ^ (current_octet & 1) ?
- ethernet_polynomial : 0);
- }
- }
- return (unsigned long)crc;
-} /* ether_gen_crc */
-
-/**
-* ks_set_grpaddr - set multicast information
-* @ks : The chip information
-*/
-
-static void ks_set_grpaddr(struct ks_net *ks)
-{
- u8 i;
- u32 index, position, value;
-
- memset(ks->mcast_bits, 0, sizeof(u8) * HW_MCAST_SIZE);
-
- for (i = 0; i < ks->mcast_lst_size; i++) {
- position = (ether_gen_crc(6, ks->mcast_lst[i]) >> 26) & 0x3f;
- index = position >> 3;
- value = 1 << (position & 7);
- ks->mcast_bits[index] |= (u8)value;
- }
-
- for (i = 0; i < HW_MCAST_SIZE; i++) {
- if (i & 1) {
- ks_wrreg16(ks, (u16)((KS_MAHTR0 + i) & ~1),
- (ks->mcast_bits[i] << 8) |
- ks->mcast_bits[i - 1]);
- }
- }
-} /* ks_set_grpaddr */
-
-/**
-* ks_clear_mcast - clear multicast information
-*
-* @ks : The chip information
-* This routine removes all mcast addresses set in the hardware.
-*/
-
-static void ks_clear_mcast(struct ks_net *ks)
-{
- u16 i, mcast_size;
- for (i = 0; i < HW_MCAST_SIZE; i++)
- ks->mcast_bits[i] = 0;
-
- mcast_size = HW_MCAST_SIZE >> 2;
- for (i = 0; i < mcast_size; i++)
- ks_wrreg16(ks, KS_MAHTR0 + (2*i), 0);
-}
-
-static void ks_set_promis(struct ks_net *ks, u16 promiscuous_mode)
-{
- u16 cntl;
- ks->promiscuous = promiscuous_mode;
- ks_stop_rx(ks); /* Stop receiving for reconfiguration */
- cntl = ks_rdreg16(ks, KS_RXCR1);
-
- cntl &= ~RXCR1_FILTER_MASK;
- if (promiscuous_mode)
- /* Enable Promiscuous mode */
- cntl |= RXCR1_RXAE | RXCR1_RXINVF;
- else
- /* Disable Promiscuous mode (default normal mode) */
- cntl |= RXCR1_RXPAFMA;
-
- ks_wrreg16(ks, KS_RXCR1, cntl);
-
- if (ks->enabled)
- ks_start_rx(ks);
-
-} /* ks_set_promis */
-
-static void ks_set_mcast(struct ks_net *ks, u16 mcast)
-{
- u16 cntl;
-
- ks->all_mcast = mcast;
- ks_stop_rx(ks); /* Stop receiving for reconfiguration */
- cntl = ks_rdreg16(ks, KS_RXCR1);
- cntl &= ~RXCR1_FILTER_MASK;
- if (mcast)
- /* Enable "Perfect with Multicast address passed mode" */
- cntl |= (RXCR1_RXAE | RXCR1_RXMAFMA | RXCR1_RXPAFMA);
- else
- /**
- * Disable "Perfect with Multicast address passed
- * mode" (normal mode).
- */
- cntl |= RXCR1_RXPAFMA;
-
- ks_wrreg16(ks, KS_RXCR1, cntl);
-
- if (ks->enabled)
- ks_start_rx(ks);
-} /* ks_set_mcast */
-
-static void ks_set_rx_mode(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
- struct netdev_hw_addr *ha;
-
- /* Turn on/off promiscuous mode. */
- if ((netdev->flags & IFF_PROMISC) == IFF_PROMISC)
- ks_set_promis(ks,
- (u16)((netdev->flags & IFF_PROMISC) == IFF_PROMISC));
- /* Turn on/off all mcast mode. */
- else if ((netdev->flags & IFF_ALLMULTI) == IFF_ALLMULTI)
- ks_set_mcast(ks,
- (u16)((netdev->flags & IFF_ALLMULTI) == IFF_ALLMULTI));
- else
- ks_set_promis(ks, false);
-
- if ((netdev->flags & IFF_MULTICAST) && netdev_mc_count(netdev)) {
- if (netdev_mc_count(netdev) <= MAX_MCAST_LST) {
- int i = 0;
-
- netdev_for_each_mc_addr(ha, netdev) {
- if (i >= MAX_MCAST_LST)
- break;
- memcpy(ks->mcast_lst[i++], ha->addr, ETH_ALEN);
- }
- ks->mcast_lst_size = (u8)i;
- ks_set_grpaddr(ks);
- } else {
- /**
- * List too big to support so
- * turn on all mcast mode.
- */
- ks->mcast_lst_size = MAX_MCAST_LST;
- ks_set_mcast(ks, true);
- }
- } else {
- ks->mcast_lst_size = 0;
- ks_clear_mcast(ks);
- }
-} /* ks_set_rx_mode */
-
-static void ks_set_mac(struct ks_net *ks, u8 *data)
-{
- u16 *pw = (u16 *)data;
- u16 w, u;
-
- ks_stop_rx(ks); /* Stop receiving for reconfiguration */
-
- u = *pw++;
- w = ((u & 0xFF) << 8) | ((u >> 8) & 0xFF);
- ks_wrreg16(ks, KS_MARH, w);
-
- u = *pw++;
- w = ((u & 0xFF) << 8) | ((u >> 8) & 0xFF);
- ks_wrreg16(ks, KS_MARM, w);
-
- u = *pw;
- w = ((u & 0xFF) << 8) | ((u >> 8) & 0xFF);
- ks_wrreg16(ks, KS_MARL, w);
-
- memcpy(ks->mac_addr, data, ETH_ALEN);
-
- if (ks->enabled)
- ks_start_rx(ks);
-}
-
-static int ks_set_mac_address(struct net_device *netdev, void *paddr)
-{
- struct ks_net *ks = netdev_priv(netdev);
- struct sockaddr *addr = paddr;
- u8 *da;
-
- memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
-
- da = (u8 *)netdev->dev_addr;
-
- ks_set_mac(ks, da);
- return 0;
-}
-
-static int ks_net_ioctl(struct net_device *netdev, struct ifreq *req, int cmd)
-{
- struct ks_net *ks = netdev_priv(netdev);
-
- if (!netif_running(netdev))
- return -EINVAL;
-
- return generic_mii_ioctl(&ks->mii, if_mii(req), cmd, NULL);
-}
-
-static const struct net_device_ops ks_netdev_ops = {
- .ndo_open = ks_net_open,
- .ndo_stop = ks_net_stop,
- .ndo_do_ioctl = ks_net_ioctl,
- .ndo_start_xmit = ks_start_xmit,
- .ndo_set_mac_address = ks_set_mac_address,
- .ndo_set_rx_mode = ks_set_rx_mode,
- .ndo_validate_addr = eth_validate_addr,
-};
-
-/* ethtool support */
-
-static void ks_get_drvinfo(struct net_device *netdev,
- struct ethtool_drvinfo *di)
-{
- strlcpy(di->driver, DRV_NAME, sizeof(di->driver));
- strlcpy(di->version, "1.00", sizeof(di->version));
- strlcpy(di->bus_info, dev_name(netdev->dev.parent),
- sizeof(di->bus_info));
-}
-
-static u32 ks_get_msglevel(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
- return ks->msg_enable;
-}
-
-static void ks_set_msglevel(struct net_device *netdev, u32 to)
-{
- struct ks_net *ks = netdev_priv(netdev);
- ks->msg_enable = to;
-}
-
-static int ks_get_link_ksettings(struct net_device *netdev,
- struct ethtool_link_ksettings *cmd)
-{
- struct ks_net *ks = netdev_priv(netdev);
-
- mii_ethtool_get_link_ksettings(&ks->mii, cmd);
-
- return 0;
-}
-
-static int ks_set_link_ksettings(struct net_device *netdev,
- const struct ethtool_link_ksettings *cmd)
-{
- struct ks_net *ks = netdev_priv(netdev);
- return mii_ethtool_set_link_ksettings(&ks->mii, cmd);
-}
-
-static u32 ks_get_link(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
- return mii_link_ok(&ks->mii);
-}
-
-static int ks_nway_reset(struct net_device *netdev)
-{
- struct ks_net *ks = netdev_priv(netdev);
- return mii_nway_restart(&ks->mii);
-}
-
-static const struct ethtool_ops ks_ethtool_ops = {
- .get_drvinfo = ks_get_drvinfo,
- .get_msglevel = ks_get_msglevel,
- .set_msglevel = ks_set_msglevel,
- .get_link = ks_get_link,
- .nway_reset = ks_nway_reset,
- .get_link_ksettings = ks_get_link_ksettings,
- .set_link_ksettings = ks_set_link_ksettings,
-};
-
-/* MII interface controls */
-
-/**
- * ks_phy_reg - convert MII register into a KS8851 register
- * @reg: MII register number.
- *
- * Return the KS8851 register number for the corresponding MII PHY register
- * if possible. Return zero if the MII register has no direct mapping to the
- * KS8851 register set.
- */
-static int ks_phy_reg(int reg)
-{
- switch (reg) {
- case MII_BMCR:
- return KS_P1MBCR;
- case MII_BMSR:
- return KS_P1MBSR;
- case MII_PHYSID1:
- return KS_PHY1ILR;
- case MII_PHYSID2:
- return KS_PHY1IHR;
- case MII_ADVERTISE:
- return KS_P1ANAR;
- case MII_LPA:
- return KS_P1ANLPR;
- }
-
- return 0x0;
-}
-
-/**
- * ks_phy_read - MII interface PHY register read.
- * @netdev: The network device the PHY is on.
- * @phy_addr: Address of PHY (ignored as we only have one)
- * @reg: The register to read.
- *
- * This call reads data from the PHY register specified in @reg. Since the
- * device does not support all the MII registers, the non-existent values
- * are always returned as zero.
- *
- * We return zero for unsupported registers as the MII code does not check
- * the value returned for any error status, and simply returns it to the
- * caller. The mii-tool that the driver was tested with takes any -ve error
- * as real PHY capabilities, thus displaying incorrect data to the user.
- */
-static int ks_phy_read(struct net_device *netdev, int phy_addr, int reg)
-{
- struct ks_net *ks = netdev_priv(netdev);
- int ksreg;
- int result;
-
- ksreg = ks_phy_reg(reg);
- if (!ksreg)
- return 0x0; /* no error return allowed, so use zero */
-
- mutex_lock(&ks->lock);
- result = ks_rdreg16(ks, ksreg);
- mutex_unlock(&ks->lock);
-
- return result;
-}
-
-static void ks_phy_write(struct net_device *netdev,
- int phy, int reg, int value)
-{
- struct ks_net *ks = netdev_priv(netdev);
- int ksreg;
-
- ksreg = ks_phy_reg(reg);
- if (ksreg) {
- mutex_lock(&ks->lock);
- ks_wrreg16(ks, ksreg, value);
- mutex_unlock(&ks->lock);
- }
-}
-
-/**
- * ks_read_selftest - read the selftest memory info.
- * @ks: The device state
- *
- * Read and check the TX/RX memory selftest information.
- */
-static int ks_read_selftest(struct ks_net *ks)
-{
- unsigned both_done = MBIR_TXMBF | MBIR_RXMBF;
- int ret = 0;
- unsigned rd;
-
- rd = ks_rdreg16(ks, KS_MBIR);
-
- if ((rd & both_done) != both_done) {
- netdev_warn(ks->netdev, "Memory selftest not finished\n");
- return 0;
- }
-
- if (rd & MBIR_TXMBFA) {
- netdev_err(ks->netdev, "TX memory selftest fails\n");
- ret |= 1;
- }
-
- if (rd & MBIR_RXMBFA) {
- netdev_err(ks->netdev, "RX memory selftest fails\n");
- ret |= 2;
- }
-
- netdev_info(ks->netdev, "the selftest passes\n");
- return ret;
-}
-
-static void ks_setup(struct ks_net *ks)
-{
- u16 w;
-
- /**
- * Configure QMU Transmit
- */
-
- /* Setup Transmit Frame Data Pointer Auto-Increment (TXFDPR) */
- ks_wrreg16(ks, KS_TXFDPR, TXFDPR_TXFPAI);
-
- /* Setup Receive Frame Data Pointer Auto-Increment */
- ks_wrreg16(ks, KS_RXFDPR, RXFDPR_RXFPAI);
-
- /* Setup Receive Frame Threshold - 1 frame (RXFCTFC) */
- ks_wrreg16(ks, KS_RXFCTR, 1 & RXFCTR_RXFCT_MASK);
-
- /* Setup RxQ Command Control (RXQCR) */
- ks->rc_rxqcr = RXQCR_CMD_CNTL;
- ks_wrreg16(ks, KS_RXQCR, ks->rc_rxqcr);
-
- /**
- * set the force mode to half duplex, default is full duplex
- * because if the auto-negotiation fails, most switch uses
- * half-duplex.
- */
-
- w = ks_rdreg16(ks, KS_P1MBCR);
- w &= ~BMCR_FULLDPLX;
- ks_wrreg16(ks, KS_P1MBCR, w);
-
- w = TXCR_TXFCE | TXCR_TXPE | TXCR_TXCRC | TXCR_TCGIP;
- ks_wrreg16(ks, KS_TXCR, w);
-
- w = RXCR1_RXFCE | RXCR1_RXBE | RXCR1_RXUE | RXCR1_RXME | RXCR1_RXIPFCC;
-
- if (ks->promiscuous) /* bPromiscuous */
- w |= (RXCR1_RXAE | RXCR1_RXINVF);
- else if (ks->all_mcast) /* Multicast address passed mode */
- w |= (RXCR1_RXAE | RXCR1_RXMAFMA | RXCR1_RXPAFMA);
- else /* Normal mode */
- w |= RXCR1_RXPAFMA;
-
- ks_wrreg16(ks, KS_RXCR1, w);
-} /*ks_setup */
-
-
-static void ks_setup_int(struct ks_net *ks)
-{
- ks->rc_ier = 0x00;
- /* Clear the interrupts status of the hardware. */
- ks_wrreg16(ks, KS_ISR, 0xffff);
-
- /* Enables the interrupts of the hardware. */
- ks->rc_ier = (IRQ_LCI | IRQ_TXI | IRQ_RXI);
-} /* ks_setup_int */
-
-static int ks_hw_init(struct ks_net *ks)
-{
-#define MHEADER_SIZE (sizeof(struct type_frame_head) * MAX_RECV_FRAMES)
- ks->promiscuous = 0;
- ks->all_mcast = 0;
- ks->mcast_lst_size = 0;
-
- ks->frame_head_info = devm_kmalloc(&ks->pdev->dev, MHEADER_SIZE,
- GFP_KERNEL);
- if (!ks->frame_head_info)
- return false;
-
- ks_set_mac(ks, KS_DEFAULT_MAC_ADDRESS);
- return true;
-}
-
-#if defined(CONFIG_OF)
-static const struct of_device_id ks8851_ml_dt_ids[] = {
- { .compatible = "micrel,ks8851-mll" },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, ks8851_ml_dt_ids);
-#endif
-
-static int ks8851_probe(struct platform_device *pdev)
-{
- int err;
- struct net_device *netdev;
- struct ks_net *ks;
- u16 id, data;
- const char *mac;
-
- netdev = alloc_etherdev(sizeof(struct ks_net));
- if (!netdev)
- return -ENOMEM;
-
- SET_NETDEV_DEV(netdev, &pdev->dev);
-
- ks = netdev_priv(netdev);
- ks->netdev = netdev;
-
- ks->hw_addr = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(ks->hw_addr)) {
- err = PTR_ERR(ks->hw_addr);
- goto err_free;
- }
-
- ks->hw_addr_cmd = devm_platform_ioremap_resource(pdev, 1);
- if (IS_ERR(ks->hw_addr_cmd)) {
- err = PTR_ERR(ks->hw_addr_cmd);
- goto err_free;
- }
-
- err = ks_check_endian(ks);
- if (err)
- goto err_free;
-
- netdev->irq = platform_get_irq(pdev, 0);
-
- if ((int)netdev->irq < 0) {
- err = netdev->irq;
- goto err_free;
- }
-
- ks->pdev = pdev;
-
- mutex_init(&ks->lock);
- spin_lock_init(&ks->statelock);
-
- netdev->netdev_ops = &ks_netdev_ops;
- netdev->ethtool_ops = &ks_ethtool_ops;
-
- /* setup mii state */
- ks->mii.dev = netdev;
- ks->mii.phy_id = 1,
- ks->mii.phy_id_mask = 1;
- ks->mii.reg_num_mask = 0xf;
- ks->mii.mdio_read = ks_phy_read;
- ks->mii.mdio_write = ks_phy_write;
-
- netdev_info(netdev, "message enable is %d\n", msg_enable);
- /* set the default message enable */
- ks->msg_enable = netif_msg_init(msg_enable, (NETIF_MSG_DRV |
- NETIF_MSG_PROBE |
- NETIF_MSG_LINK));
- ks_read_config(ks);
-
- /* simple check for a valid chip being connected to the bus */
- if ((ks_rdreg16(ks, KS_CIDER) & ~CIDER_REV_MASK) != CIDER_ID) {
- netdev_err(netdev, "failed to read device ID\n");
- err = -ENODEV;
- goto err_free;
- }
-
- if (ks_read_selftest(ks)) {
- netdev_err(netdev, "failed to read device ID\n");
- err = -ENODEV;
- goto err_free;
- }
-
- err = register_netdev(netdev);
- if (err)
- goto err_free;
-
- platform_set_drvdata(pdev, netdev);
-
- ks_soft_reset(ks, GRR_GSR);
- ks_hw_init(ks);
- ks_disable_qmu(ks);
- ks_setup(ks);
- ks_setup_int(ks);
-
- data = ks_rdreg16(ks, KS_OBCR);
- ks_wrreg16(ks, KS_OBCR, data | OBCR_ODS_16mA);
-
- /* overwriting the default MAC address */
- if (pdev->dev.of_node) {
- mac = of_get_mac_address(pdev->dev.of_node);
- if (!IS_ERR(mac))
- ether_addr_copy(ks->mac_addr, mac);
- } else {
- struct ks8851_mll_platform_data *pdata;
-
- pdata = dev_get_platdata(&pdev->dev);
- if (!pdata) {
- netdev_err(netdev, "No platform data\n");
- err = -ENODEV;
- goto err_pdata;
- }
- memcpy(ks->mac_addr, pdata->mac_addr, ETH_ALEN);
- }
- if (!is_valid_ether_addr(ks->mac_addr)) {
- /* Use random MAC address if none passed */
- eth_random_addr(ks->mac_addr);
- netdev_info(netdev, "Using random mac address\n");
- }
- netdev_info(netdev, "Mac address is: %pM\n", ks->mac_addr);
-
- memcpy(netdev->dev_addr, ks->mac_addr, ETH_ALEN);
-
- ks_set_mac(ks, netdev->dev_addr);
-
- id = ks_rdreg16(ks, KS_CIDER);
-
- netdev_info(netdev, "Found chip, family: 0x%x, id: 0x%x, rev: 0x%x\n",
- (id >> 8) & 0xff, (id >> 4) & 0xf, (id >> 1) & 0x7);
- return 0;
-
-err_pdata:
- unregister_netdev(netdev);
-err_free:
- free_netdev(netdev);
- return err;
-}
-
-static int ks8851_remove(struct platform_device *pdev)
-{
- struct net_device *netdev = platform_get_drvdata(pdev);
-
- unregister_netdev(netdev);
- free_netdev(netdev);
- return 0;
-
-}
-
-static struct platform_driver ks8851_platform_driver = {
- .driver = {
- .name = DRV_NAME,
- .of_match_table = of_match_ptr(ks8851_ml_dt_ids),
- },
- .probe = ks8851_probe,
- .remove = ks8851_remove,
-};
-
-module_platform_driver(ks8851_platform_driver);
-
-MODULE_DESCRIPTION("KS8851 MLL Network driver");
-MODULE_AUTHOR("David Choi <david.choi@micrel.com>");
-MODULE_LICENSE("GPL");
-module_param_named(message, msg_enable, int, 0);
-MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)");
-
diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c
new file mode 100644
index 000000000000..3bab0cb2b1a5
--- /dev/null
+++ b/drivers/net/ethernet/micrel/ks8851_par.c
@@ -0,0 +1,357 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* drivers/net/ethernet/micrel/ks8851.c
+ *
+ * Copyright 2009 Simtec Electronics
+ * http://www.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define DEBUG
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/iopoll.h>
+#include <linux/mii.h>
+
+#include <linux/platform_device.h>
+#include <linux/of_net.h>
+
+#include "ks8851.h"
+
+static int msg_enable;
+
+#define BE3 0x8000 /* Byte Enable 3 */
+#define BE2 0x4000 /* Byte Enable 2 */
+#define BE1 0x2000 /* Byte Enable 1 */
+#define BE0 0x1000 /* Byte Enable 0 */
+
+/**
+ * struct ks8851_net_par - KS8851 Parallel driver private data
+ * @ks8851: KS8851 driver common private data
+ * @lock: Lock to ensure that the device is not accessed when busy.
+ * @hw_addr : start address of data register.
+ * @hw_addr_cmd : start address of command register.
+ * @cmd_reg_cache : command register cached.
+ *
+ * The @lock ensures that the chip is protected when certain operations are
+ * in progress. When the read or write packet transfer is in progress, most
+ * of the chip registers are not accessible until the transfer is finished
+ * and the DMA has been de-asserted.
+ */
+struct ks8851_net_par {
+ struct ks8851_net ks8851;
+ spinlock_t lock;
+ void __iomem *hw_addr;
+ void __iomem *hw_addr_cmd;
+ u16 cmd_reg_cache;
+};
+
+#define to_ks8851_par(ks) container_of((ks), struct ks8851_net_par, ks8851)
+
+/**
+ * ks8851_lock_par - register access lock
+ * @ks: The chip state
+ * @flags: Spinlock flags
+ *
+ * Claim chip register access lock
+ */
+static void ks8851_lock_par(struct ks8851_net *ks, unsigned long *flags)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+
+ spin_lock_irqsave(&ksp->lock, *flags);
+}
+
+/**
+ * ks8851_unlock_par - register access unlock
+ * @ks: The chip state
+ * @flags: Spinlock flags
+ *
+ * Release chip register access lock
+ */
+static void ks8851_unlock_par(struct ks8851_net *ks, unsigned long *flags)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+
+ spin_unlock_irqrestore(&ksp->lock, *flags);
+}
+
+/**
+ * ks_check_endian - Check whether endianness of the bus is correct
+ * @ks : The chip information
+ *
+ * The KS8851-16MLL EESK pin allows selecting the endianness of the 16bit
+ * bus. To maintain optimum performance, the bus endianness should be set
+ * such that it matches the endianness of the CPU.
+ */
+static int ks_check_endian(struct ks8851_net *ks)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+ u16 cider;
+
+ /*
+ * Read CIDER register first, however read it the "wrong" way around.
+ * If the endian strap on the KS8851-16MLL in incorrect and the chip
+ * is operating in different endianness than the CPU, then the meaning
+ * of BE[3:0] byte-enable bits is also swapped such that:
+ * BE[3,2,1,0] becomes BE[1,0,3,2]
+ *
+ * Luckily for us, the byte-enable bits are the top four MSbits of
+ * the address register and the CIDER register is at offset 0xc0.
+ * Hence, by reading address 0xc0c0, which is not impacted by endian
+ * swapping, we assert either BE[3:2] or BE[1:0] while reading the
+ * CIDER register.
+ *
+ * If the bus configuration is correct, reading 0xc0c0 asserts
+ * BE[3:2] and this read returns 0x0000, because to read register
+ * with bottom two LSbits of address set to 0, BE[1:0] must be
+ * asserted.
+ *
+ * If the bus configuration is NOT correct, reading 0xc0c0 asserts
+ * BE[1:0] and this read returns non-zero 0x8872 value.
+ */
+ iowrite16(BE3 | BE2 | KS_CIDER, ksp->hw_addr_cmd);
+ cider = ioread16(ksp->hw_addr);
+ if (!cider)
+ return 0;
+
+ netdev_err(ks->netdev, "incorrect EESK endian strap setting\n");
+
+ return -EINVAL;
+}
+
+/**
+ * ks8851_wrreg16_par - write 16bit register value to chip
+ * @ks: The chip state
+ * @reg: The register address
+ * @val: The value to write
+ *
+ * Issue a write to put the value @val into the register specified in @reg.
+ */
+static void ks8851_wrreg16_par(struct ks8851_net *ks, unsigned int reg,
+ unsigned int val)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+
+ ksp->cmd_reg_cache = (u16)reg | ((BE1 | BE0) << (reg & 0x02));
+ iowrite16(ksp->cmd_reg_cache, ksp->hw_addr_cmd);
+ iowrite16(val, ksp->hw_addr);
+}
+
+/**
+ * ks8851_rdreg16_par - read 16 bit register from chip
+ * @ks: The chip information
+ * @reg: The register address
+ *
+ * Read a 16bit register from the chip, returning the result
+ */
+static unsigned int ks8851_rdreg16_par(struct ks8851_net *ks, unsigned int reg)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+
+ ksp->cmd_reg_cache = (u16)reg | ((BE1 | BE0) << (reg & 0x02));
+ iowrite16(ksp->cmd_reg_cache, ksp->hw_addr_cmd);
+ return ioread16(ksp->hw_addr);
+}
+
+/**
+ * ks8851_rdfifo_par - read data from the receive fifo
+ * @ks: The device state.
+ * @buff: The buffer address
+ * @len: The length of the data to read
+ *
+ * Issue an RXQ FIFO read command and read the @len amount of data from
+ * the FIFO into the buffer specified by @buff.
+ */
+static void ks8851_rdfifo_par(struct ks8851_net *ks, u8 *buff, unsigned int len)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+
+ netif_dbg(ks, rx_status, ks->netdev,
+ "%s: %d@%p\n", __func__, len, buff);
+
+ ioread16_rep(ksp->hw_addr, (u16 *)buff + 1, len / 2);
+}
+
+/**
+ * ks8851_wrfifo_par - write packet to TX FIFO
+ * @ks: The device state.
+ * @txp: The sk_buff to transmit.
+ * @irq: IRQ on completion of the packet.
+ *
+ * Send the @txp to the chip. This means creating the relevant packet header
+ * specifying the length of the packet and the other information the chip
+ * needs, such as IRQ on completion. Send the header and the packet data to
+ * the device.
+ */
+static void ks8851_wrfifo_par(struct ks8851_net *ks, struct sk_buff *txp,
+ bool irq)
+{
+ struct ks8851_net_par *ksp = to_ks8851_par(ks);
+ unsigned int len = ALIGN(txp->len, 4);
+ unsigned int fid = 0;
+
+ netif_dbg(ks, tx_queued, ks->netdev, "%s: skb %p, %d@%p, irq %d\n",
+ __func__, txp, txp->len, txp->data, irq);
+
+ fid = ks->fid++;
+ fid &= TXFR_TXFID_MASK;
+
+ if (irq)
+ fid |= TXFR_TXIC; /* irq on completion */
+
+ iowrite16(fid, ksp->hw_addr);
+ iowrite16(txp->len, ksp->hw_addr);
+
+ iowrite16_rep(ksp->hw_addr, txp->data, len / 2);
+}
+
+/**
+ * ks8851_rx_skb_par - receive skbuff
+ * @ks: The device state.
+ * @skb: The skbuff
+ */
+static void ks8851_rx_skb_par(struct ks8851_net *ks, struct sk_buff *skb)
+{
+ netif_rx(skb);
+}
+
+static unsigned int ks8851_rdreg16_par_txqcr(struct ks8851_net *ks)
+{
+ return ks8851_rdreg16_par(ks, KS_TXQCR);
+}
+
+/**
+ * ks8851_start_xmit_par - transmit packet
+ * @skb: The buffer to transmit
+ * @dev: The device used to transmit the packet.
+ *
+ * Called by the network layer to transmit the @skb. Queue the packet for
+ * the device and schedule the necessary work to transmit the packet when
+ * it is free.
+ *
+ * We do this to firstly avoid sleeping with the network device locked,
+ * and secondly so we can round up more than one packet to transmit which
+ * means we can try and avoid generating too many transmit done interrupts.
+ */
+static netdev_tx_t ks8851_start_xmit_par(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ struct ks8851_net *ks = netdev_priv(dev);
+ netdev_tx_t ret = NETDEV_TX_OK;
+ unsigned long flags;
+ unsigned int txqcr;
+ u16 txmir;
+ int err;
+
+ netif_dbg(ks, tx_queued, ks->netdev,
+ "%s: skb %p, %d@%p\n", __func__, skb, skb->len, skb->data);
+
+ ks8851_lock_par(ks, &flags);
+
+ txmir = ks8851_rdreg16_par(ks, KS_TXMIR) & 0x1fff;
+
+ if (likely(txmir >= skb->len + 12)) {
+ ks8851_wrreg16_par(ks, KS_RXQCR, ks->rc_rxqcr | RXQCR_SDA);
+ ks8851_wrfifo_par(ks, skb, false);
+ ks8851_wrreg16_par(ks, KS_RXQCR, ks->rc_rxqcr);
+ ks8851_wrreg16_par(ks, KS_TXQCR, TXQCR_METFE);
+
+ err = readx_poll_timeout_atomic(ks8851_rdreg16_par_txqcr, ks,
+ txqcr, !(txqcr & TXQCR_METFE),
+ 5, 1000000);
+ if (err)
+ ret = NETDEV_TX_BUSY;
+
+ ks8851_done_tx(ks, skb);
+ } else {
+ ret = NETDEV_TX_BUSY;
+ }
+
+ ks8851_unlock_par(ks, &flags);
+
+ return ret;
+}
+
+static int ks8851_probe_par(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ks8851_net_par *ksp;
+ struct net_device *netdev;
+ struct ks8851_net *ks;
+ int ret;
+
+ netdev = devm_alloc_etherdev(dev, sizeof(struct ks8851_net_par));
+ if (!netdev)
+ return -ENOMEM;
+
+ ks = netdev_priv(netdev);
+
+ ks->lock = ks8851_lock_par;
+ ks->unlock = ks8851_unlock_par;
+ ks->rdreg16 = ks8851_rdreg16_par;
+ ks->wrreg16 = ks8851_wrreg16_par;
+ ks->rdfifo = ks8851_rdfifo_par;
+ ks->wrfifo = ks8851_wrfifo_par;
+ ks->start_xmit = ks8851_start_xmit_par;
+ ks->rx_skb = ks8851_rx_skb_par;
+
+#define STD_IRQ (IRQ_LCI | /* Link Change */ \
+ IRQ_RXI | /* RX done */ \
+ IRQ_RXPSI) /* RX process stop */
+ ks->rc_ier = STD_IRQ;
+
+ ksp = to_ks8851_par(ks);
+ spin_lock_init(&ksp->lock);
+
+ ksp->hw_addr = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(ksp->hw_addr))
+ return PTR_ERR(ksp->hw_addr);
+
+ ksp->hw_addr_cmd = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(ksp->hw_addr_cmd))
+ return PTR_ERR(ksp->hw_addr_cmd);
+
+ ret = ks_check_endian(ks);
+ if (ret)
+ return ret;
+
+ netdev->irq = platform_get_irq(pdev, 0);
+
+ return ks8851_probe_common(netdev, dev, msg_enable);
+}
+
+static int ks8851_remove_par(struct platform_device *pdev)
+{
+ return ks8851_remove_common(&pdev->dev);
+}
+
+static const struct of_device_id ks8851_match_table[] = {
+ { .compatible = "micrel,ks8851-mll" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ks8851_match_table);
+
+static struct platform_driver ks8851_driver = {
+ .driver = {
+ .name = "ks8851",
+ .of_match_table = ks8851_match_table,
+ .pm = &ks8851_pm_ops,
+ },
+ .probe = ks8851_probe_par,
+ .remove = ks8851_remove_par,
+};
+module_platform_driver(ks8851_driver);
+
+MODULE_DESCRIPTION("KS8851 Network driver");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL");
+
+module_param_named(message, msg_enable, int, 0);
+MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)");
diff --git a/drivers/net/ethernet/micrel/ks8851_spi.c b/drivers/net/ethernet/micrel/ks8851_spi.c
new file mode 100644
index 000000000000..4ec7f1615977
--- /dev/null
+++ b/drivers/net/ethernet/micrel/ks8851_spi.c
@@ -0,0 +1,485 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* drivers/net/ethernet/micrel/ks8851.c
+ *
+ * Copyright 2009 Simtec Electronics
+ * http://www.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define DEBUG
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/cache.h>
+#include <linux/crc32.h>
+#include <linux/mii.h>
+#include <linux/regulator/consumer.h>
+
+#include <linux/spi/spi.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/of_net.h>
+
+#include "ks8851.h"
+
+static int msg_enable;
+
+/**
+ * struct ks8851_net_spi - KS8851 SPI driver private data
+ * @lock: Lock to ensure that the device is not accessed when busy.
+ * @tx_work: Work queue for tx packets
+ * @ks8851: KS8851 driver common private data
+ * @spidev: The spi device we're bound to.
+ * @spi_msg1: pre-setup SPI transfer with one message, @spi_xfer1.
+ * @spi_msg2: pre-setup SPI transfer with two messages, @spi_xfer2.
+ * @spi_xfer1: @spi_msg1 SPI transfer structure
+ * @spi_xfer2: @spi_msg2 SPI transfer structure
+ *
+ * The @lock ensures that the chip is protected when certain operations are
+ * in progress. When the read or write packet transfer is in progress, most
+ * of the chip registers are not ccessible until the transfer is finished and
+ * the DMA has been de-asserted.
+ */
+struct ks8851_net_spi {
+ struct ks8851_net ks8851;
+ struct mutex lock;
+ struct work_struct tx_work;
+ struct spi_device *spidev;
+ struct spi_message spi_msg1;
+ struct spi_message spi_msg2;
+ struct spi_transfer spi_xfer1;
+ struct spi_transfer spi_xfer2[2];
+};
+
+#define to_ks8851_spi(ks) container_of((ks), struct ks8851_net_spi, ks8851)
+
+/* SPI frame opcodes */
+#define KS_SPIOP_RD 0x00
+#define KS_SPIOP_WR 0x40
+#define KS_SPIOP_RXFIFO 0x80
+#define KS_SPIOP_TXFIFO 0xC0
+
+/* shift for byte-enable data */
+#define BYTE_EN(_x) ((_x) << 2)
+
+/* turn register number and byte-enable mask into data for start of packet */
+#define MK_OP(_byteen, _reg) \
+ (BYTE_EN(_byteen) | (_reg) << (8 + 2) | (_reg) >> 6)
+
+/**
+ * ks8851_lock_spi - register access lock
+ * @ks: The chip state
+ * @flags: Spinlock flags
+ *
+ * Claim chip register access lock
+ */
+static void ks8851_lock_spi(struct ks8851_net *ks, unsigned long *flags)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+
+ mutex_lock(&kss->lock);
+}
+
+/**
+ * ks8851_unlock_spi - register access unlock
+ * @ks: The chip state
+ * @flags: Spinlock flags
+ *
+ * Release chip register access lock
+ */
+static void ks8851_unlock_spi(struct ks8851_net *ks, unsigned long *flags)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+
+ mutex_unlock(&kss->lock);
+}
+
+/* SPI register read/write calls.
+ *
+ * All these calls issue SPI transactions to access the chip's registers. They
+ * all require that the necessary lock is held to prevent accesses when the
+ * chip is busy transferring packet data (RX/TX FIFO accesses).
+ */
+
+/**
+ * ks8851_wrreg16_spi - write 16bit register value to chip via SPI
+ * @ks: The chip state
+ * @reg: The register address
+ * @val: The value to write
+ *
+ * Issue a write to put the value @val into the register specified in @reg.
+ */
+static void ks8851_wrreg16_spi(struct ks8851_net *ks, unsigned int reg,
+ unsigned int val)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+ struct spi_transfer *xfer = &kss->spi_xfer1;
+ struct spi_message *msg = &kss->spi_msg1;
+ __le16 txb[2];
+ int ret;
+
+ txb[0] = cpu_to_le16(MK_OP(reg & 2 ? 0xC : 0x03, reg) | KS_SPIOP_WR);
+ txb[1] = cpu_to_le16(val);
+
+ xfer->tx_buf = txb;
+ xfer->rx_buf = NULL;
+ xfer->len = 4;
+
+ ret = spi_sync(kss->spidev, msg);
+ if (ret < 0)
+ netdev_err(ks->netdev, "spi_sync() failed\n");
+}
+
+/**
+ * ks8851_rdreg - issue read register command and return the data
+ * @ks: The device state
+ * @op: The register address and byte enables in message format.
+ * @rxb: The RX buffer to return the result into
+ * @rxl: The length of data expected.
+ *
+ * This is the low level read call that issues the necessary spi message(s)
+ * to read data from the register specified in @op.
+ */
+static void ks8851_rdreg(struct ks8851_net *ks, unsigned int op,
+ u8 *rxb, unsigned int rxl)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+ struct spi_transfer *xfer;
+ struct spi_message *msg;
+ __le16 *txb = (__le16 *)ks->txd;
+ u8 *trx = ks->rxd;
+ int ret;
+
+ txb[0] = cpu_to_le16(op | KS_SPIOP_RD);
+
+ if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX) {
+ msg = &kss->spi_msg2;
+ xfer = kss->spi_xfer2;
+
+ xfer->tx_buf = txb;
+ xfer->rx_buf = NULL;
+ xfer->len = 2;
+
+ xfer++;
+ xfer->tx_buf = NULL;
+ xfer->rx_buf = trx;
+ xfer->len = rxl;
+ } else {
+ msg = &kss->spi_msg1;
+ xfer = &kss->spi_xfer1;
+
+ xfer->tx_buf = txb;
+ xfer->rx_buf = trx;
+ xfer->len = rxl + 2;
+ }
+
+ ret = spi_sync(kss->spidev, msg);
+ if (ret < 0)
+ netdev_err(ks->netdev, "read: spi_sync() failed\n");
+ else if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX)
+ memcpy(rxb, trx, rxl);
+ else
+ memcpy(rxb, trx + 2, rxl);
+}
+
+/**
+ * ks8851_rdreg16_spi - read 16 bit register from device via SPI
+ * @ks: The chip information
+ * @reg: The register address
+ *
+ * Read a 16bit register from the chip, returning the result
+ */
+static unsigned int ks8851_rdreg16_spi(struct ks8851_net *ks, unsigned int reg)
+{
+ __le16 rx = 0;
+
+ ks8851_rdreg(ks, MK_OP(reg & 2 ? 0xC : 0x3, reg), (u8 *)&rx, 2);
+ return le16_to_cpu(rx);
+}
+
+/**
+ * ks8851_rdfifo_spi - read data from the receive fifo via SPI
+ * @ks: The device state.
+ * @buff: The buffer address
+ * @len: The length of the data to read
+ *
+ * Issue an RXQ FIFO read command and read the @len amount of data from
+ * the FIFO into the buffer specified by @buff.
+ */
+static void ks8851_rdfifo_spi(struct ks8851_net *ks, u8 *buff, unsigned int len)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+ struct spi_transfer *xfer = kss->spi_xfer2;
+ struct spi_message *msg = &kss->spi_msg2;
+ u8 txb[1];
+ int ret;
+
+ netif_dbg(ks, rx_status, ks->netdev,
+ "%s: %d@%p\n", __func__, len, buff);
+
+ /* set the operation we're issuing */
+ txb[0] = KS_SPIOP_RXFIFO;
+
+ xfer->tx_buf = txb;
+ xfer->rx_buf = NULL;
+ xfer->len = 1;
+
+ xfer++;
+ xfer->rx_buf = buff;
+ xfer->tx_buf = NULL;
+ xfer->len = len;
+
+ ret = spi_sync(kss->spidev, msg);
+ if (ret < 0)
+ netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);
+}
+
+/**
+ * ks8851_wrfifo_spi - write packet to TX FIFO via SPI
+ * @ks: The device state.
+ * @txp: The sk_buff to transmit.
+ * @irq: IRQ on completion of the packet.
+ *
+ * Send the @txp to the chip. This means creating the relevant packet header
+ * specifying the length of the packet and the other information the chip
+ * needs, such as IRQ on completion. Send the header and the packet data to
+ * the device.
+ */
+static void ks8851_wrfifo_spi(struct ks8851_net *ks, struct sk_buff *txp,
+ bool irq)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+ struct spi_transfer *xfer = kss->spi_xfer2;
+ struct spi_message *msg = &kss->spi_msg2;
+ unsigned int fid = 0;
+ int ret;
+
+ netif_dbg(ks, tx_queued, ks->netdev, "%s: skb %p, %d@%p, irq %d\n",
+ __func__, txp, txp->len, txp->data, irq);
+
+ fid = ks->fid++;
+ fid &= TXFR_TXFID_MASK;
+
+ if (irq)
+ fid |= TXFR_TXIC; /* irq on completion */
+
+ /* start header at txb[1] to align txw entries */
+ ks->txh.txb[1] = KS_SPIOP_TXFIFO;
+ ks->txh.txw[1] = cpu_to_le16(fid);
+ ks->txh.txw[2] = cpu_to_le16(txp->len);
+
+ xfer->tx_buf = &ks->txh.txb[1];
+ xfer->rx_buf = NULL;
+ xfer->len = 5;
+
+ xfer++;
+ xfer->tx_buf = txp->data;
+ xfer->rx_buf = NULL;
+ xfer->len = ALIGN(txp->len, 4);
+
+ ret = spi_sync(kss->spidev, msg);
+ if (ret < 0)
+ netdev_err(ks->netdev, "%s: spi_sync() failed\n", __func__);
+}
+
+/**
+ * ks8851_rx_skb_spi - receive skbuff
+ * @ks: The device state
+ * @skb: The skbuff
+ */
+static void ks8851_rx_skb_spi(struct ks8851_net *ks, struct sk_buff *skb)
+{
+ netif_rx_ni(skb);
+}
+
+/**
+ * ks8851_tx_work - process tx packet(s)
+ * @work: The work strucutre what was scheduled.
+ *
+ * This is called when a number of packets have been scheduled for
+ * transmission and need to be sent to the device.
+ */
+static void ks8851_tx_work(struct work_struct *work)
+{
+ struct ks8851_net_spi *kss;
+ struct ks8851_net *ks;
+ unsigned long flags;
+ struct sk_buff *txb;
+ bool last;
+
+ kss = container_of(work, struct ks8851_net_spi, tx_work);
+ ks = &kss->ks8851;
+ last = skb_queue_empty(&ks->txq);
+
+ ks8851_lock_spi(ks, &flags);
+
+ while (!last) {
+ txb = skb_dequeue(&ks->txq);
+ last = skb_queue_empty(&ks->txq);
+
+ if (txb) {
+ ks8851_wrreg16_spi(ks, KS_RXQCR,
+ ks->rc_rxqcr | RXQCR_SDA);
+ ks8851_wrfifo_spi(ks, txb, last);
+ ks8851_wrreg16_spi(ks, KS_RXQCR, ks->rc_rxqcr);
+ ks8851_wrreg16_spi(ks, KS_TXQCR, TXQCR_METFE);
+
+ ks8851_done_tx(ks, txb);
+ }
+ }
+
+ ks8851_unlock_spi(ks, &flags);
+}
+
+/**
+ * ks8851_flush_tx_work_spi - flush outstanding TX work
+ * @ks: The device state
+ */
+static void ks8851_flush_tx_work_spi(struct ks8851_net *ks)
+{
+ struct ks8851_net_spi *kss = to_ks8851_spi(ks);
+
+ flush_work(&kss->tx_work);
+}
+
+/**
+ * calc_txlen - calculate size of message to send packet
+ * @len: Length of data
+ *
+ * Returns the size of the TXFIFO message needed to send
+ * this packet.
+ */
+static unsigned int calc_txlen(unsigned int len)
+{
+ return ALIGN(len + 4, 4);
+}
+
+/**
+ * ks8851_start_xmit_spi - transmit packet using SPI
+ * @skb: The buffer to transmit
+ * @dev: The device used to transmit the packet.
+ *
+ * Called by the network layer to transmit the @skb. Queue the packet for
+ * the device and schedule the necessary work to transmit the packet when
+ * it is free.
+ *
+ * We do this to firstly avoid sleeping with the network device locked,
+ * and secondly so we can round up more than one packet to transmit which
+ * means we can try and avoid generating too many transmit done interrupts.
+ */
+static netdev_tx_t ks8851_start_xmit_spi(struct sk_buff *skb,
+ struct net_device *dev)
+{
+ unsigned int needed = calc_txlen(skb->len);
+ struct ks8851_net *ks = netdev_priv(dev);
+ netdev_tx_t ret = NETDEV_TX_OK;
+ struct ks8851_net_spi *kss;
+
+ kss = to_ks8851_spi(ks);
+
+ netif_dbg(ks, tx_queued, ks->netdev,
+ "%s: skb %p, %d@%p\n", __func__, skb, skb->len, skb->data);
+
+ spin_lock(&ks->statelock);
+
+ if (needed > ks->tx_space) {
+ netif_stop_queue(dev);
+ ret = NETDEV_TX_BUSY;
+ } else {
+ ks->tx_space -= needed;
+ skb_queue_tail(&ks->txq, skb);
+ }
+
+ spin_unlock(&ks->statelock);
+ schedule_work(&kss->tx_work);
+
+ return ret;
+}
+
+static int ks8851_probe_spi(struct spi_device *spi)
+{
+ struct device *dev = &spi->dev;
+ struct ks8851_net_spi *kss;
+ struct net_device *netdev;
+ struct ks8851_net *ks;
+
+ netdev = devm_alloc_etherdev(dev, sizeof(struct ks8851_net_spi));
+ if (!netdev)
+ return -ENOMEM;
+
+ spi->bits_per_word = 8;
+
+ ks = netdev_priv(netdev);
+
+ ks->lock = ks8851_lock_spi;
+ ks->unlock = ks8851_unlock_spi;
+ ks->rdreg16 = ks8851_rdreg16_spi;
+ ks->wrreg16 = ks8851_wrreg16_spi;
+ ks->rdfifo = ks8851_rdfifo_spi;
+ ks->wrfifo = ks8851_wrfifo_spi;
+ ks->start_xmit = ks8851_start_xmit_spi;
+ ks->rx_skb = ks8851_rx_skb_spi;
+ ks->flush_tx_work = ks8851_flush_tx_work_spi;
+
+#define STD_IRQ (IRQ_LCI | /* Link Change */ \
+ IRQ_TXI | /* TX done */ \
+ IRQ_RXI | /* RX done */ \
+ IRQ_SPIBEI | /* SPI bus error */ \
+ IRQ_TXPSI | /* TX process stop */ \
+ IRQ_RXPSI) /* RX process stop */
+ ks->rc_ier = STD_IRQ;
+
+ kss = to_ks8851_spi(ks);
+
+ kss->spidev = spi;
+ mutex_init(&kss->lock);
+ INIT_WORK(&kss->tx_work, ks8851_tx_work);
+
+ /* initialise pre-made spi transfer messages */
+ spi_message_init(&kss->spi_msg1);
+ spi_message_add_tail(&kss->spi_xfer1, &kss->spi_msg1);
+
+ spi_message_init(&kss->spi_msg2);
+ spi_message_add_tail(&kss->spi_xfer2[0], &kss->spi_msg2);
+ spi_message_add_tail(&kss->spi_xfer2[1], &kss->spi_msg2);
+
+ netdev->irq = spi->irq;
+
+ return ks8851_probe_common(netdev, dev, msg_enable);
+}
+
+static int ks8851_remove_spi(struct spi_device *spi)
+{
+ return ks8851_remove_common(&spi->dev);
+}
+
+static const struct of_device_id ks8851_match_table[] = {
+ { .compatible = "micrel,ks8851" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ks8851_match_table);
+
+static struct spi_driver ks8851_driver = {
+ .driver = {
+ .name = "ks8851",
+ .of_match_table = ks8851_match_table,
+ .pm = &ks8851_pm_ops,
+ },
+ .probe = ks8851_probe_spi,
+ .remove = ks8851_remove_spi,
+};
+module_spi_driver(ks8851_driver);
+
+MODULE_DESCRIPTION("KS8851 Network driver");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL");
+
+module_param_named(message, msg_enable, int, 0);
+MODULE_PARM_DESC(message, "Message verbosity level (0=none, 31=all)");
+MODULE_ALIAS("spi:ks8851");
diff --git a/drivers/net/ethernet/microchip/encx24j600-regmap.c b/drivers/net/ethernet/microchip/encx24j600-regmap.c
index 1f496fac7033..5bd7fb917b7a 100644
--- a/drivers/net/ethernet/microchip/encx24j600-regmap.c
+++ b/drivers/net/ethernet/microchip/encx24j600-regmap.c
@@ -17,11 +17,6 @@
#include "encx24j600_hw.h"
-static inline bool is_bits_set(int value, int mask)
-{
- return (value & mask) == mask;
-}
-
static int encx24j600_switch_bank(struct encx24j600_context *ctx,
int bank)
{
diff --git a/drivers/net/ethernet/microchip/encx24j600.c b/drivers/net/ethernet/microchip/encx24j600.c
index 39925e4bf2ec..2c0dcd7acf3f 100644
--- a/drivers/net/ethernet/microchip/encx24j600.c
+++ b/drivers/net/ethernet/microchip/encx24j600.c
@@ -604,9 +604,8 @@ static void encx24j600_set_rxfilter_mode(struct encx24j600_priv *priv)
}
}
-static int encx24j600_hw_init(struct encx24j600_priv *priv)
+static void encx24j600_hw_init(struct encx24j600_priv *priv)
{
- int ret = 0;
u16 macon2;
priv->hw_enabled = false;
@@ -649,8 +648,6 @@ static int encx24j600_hw_init(struct encx24j600_priv *priv)
if (netif_msg_hw(priv))
encx24j600_dump_config(priv, "Hw is initialized");
-
- return ret;
}
static void encx24j600_hw_enable(struct encx24j600_priv *priv)
@@ -1042,12 +1039,7 @@ static int encx24j600_spi_probe(struct spi_device *spi)
}
/* Initialize the device HW to the consistent state */
- if (encx24j600_hw_init(priv)) {
- netif_err(priv, probe, ndev,
- DRV_NAME ": HW initialization error\n");
- ret = -EIO;
- goto out_free;
- }
+ encx24j600_hw_init(priv);
kthread_init_worker(&priv->kworker);
kthread_init_work(&priv->tx_work, encx24j600_tx_proc);
@@ -1070,7 +1062,7 @@ static int encx24j600_spi_probe(struct spi_device *spi)
if (unlikely(ret)) {
netif_err(priv, probe, ndev, "Error %d initializing card encx24j600 card\n",
ret);
- goto out_free;
+ goto out_stop;
}
eidled = encx24j600_read_reg(priv, EIDLED);
@@ -1088,6 +1080,8 @@ static int encx24j600_spi_probe(struct spi_device *spi)
out_unregister:
unregister_netdev(priv->ndev);
+out_stop:
+ kthread_stop(priv->kworker_task);
out_free:
free_netdev(ndev);
@@ -1100,6 +1094,7 @@ static int encx24j600_spi_remove(struct spi_device *spi)
struct encx24j600_priv *priv = dev_get_drvdata(&spi->dev);
unregister_netdev(priv->ndev);
+ kthread_stop(priv->kworker_task);
free_netdev(priv->ndev);
diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index 3a0b289d9771..c533d06fbe3a 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -2,11 +2,11 @@
/* Copyright (C) 2018 Microchip Technology Inc. */
#include <linux/netdevice.h>
-#include "lan743x_main.h"
-#include "lan743x_ethtool.h"
#include <linux/net_tstamp.h>
#include <linux/pci.h>
#include <linux/phy.h>
+#include "lan743x_main.h"
+#include "lan743x_ethtool.h"
/* eeprom */
#define LAN743X_EEPROM_MAGIC (0x74A5)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index a43140f7b5eb..36624e3c633b 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -8,7 +8,10 @@
#include <linux/crc32.h>
#include <linux/microchipphy.h>
#include <linux/net_tstamp.h>
+#include <linux/of_mdio.h>
+#include <linux/of_net.h>
#include <linux/phy.h>
+#include <linux/phy_fixed.h>
#include <linux/rtnetlink.h>
#include <linux/iopoll.h>
#include <linux/crc16.h>
@@ -798,9 +801,9 @@ static int lan743x_mac_init(struct lan743x_adapter *adapter)
netdev = adapter->netdev;
- /* setup auto duplex, and speed detection */
+ /* disable auto duplex, and speed detection. Phylib does that */
data = lan743x_csr_read(adapter, MAC_CR);
- data |= MAC_CR_ADD_ | MAC_CR_ASD_;
+ data &= ~(MAC_CR_ADD_ | MAC_CR_ASD_);
data |= MAC_CR_CNTR_RST_;
lan743x_csr_write(adapter, MAC_CR, data);
@@ -946,6 +949,7 @@ static void lan743x_phy_link_status_change(struct net_device *netdev)
{
struct lan743x_adapter *adapter = netdev_priv(netdev);
struct phy_device *phydev = netdev->phydev;
+ u32 data;
phy_print_status(phydev);
if (phydev->state == PHY_RUNNING) {
@@ -953,6 +957,39 @@ static void lan743x_phy_link_status_change(struct net_device *netdev)
int remote_advertisement = 0;
int local_advertisement = 0;
+ data = lan743x_csr_read(adapter, MAC_CR);
+
+ /* set interface mode */
+ if (phy_interface_mode_is_rgmii(adapter->phy_mode))
+ /* RGMII */
+ data &= ~MAC_CR_MII_EN_;
+ else
+ /* GMII */
+ data |= MAC_CR_MII_EN_;
+
+ /* set duplex mode */
+ if (phydev->duplex)
+ data |= MAC_CR_DPX_;
+ else
+ data &= ~MAC_CR_DPX_;
+
+ /* set bus speed */
+ switch (phydev->speed) {
+ case SPEED_10:
+ data &= ~MAC_CR_CFG_H_;
+ data &= ~MAC_CR_CFG_L_;
+ break;
+ case SPEED_100:
+ data &= ~MAC_CR_CFG_H_;
+ data |= MAC_CR_CFG_L_;
+ break;
+ case SPEED_1000:
+ data |= MAC_CR_CFG_H_;
+ data |= MAC_CR_CFG_L_;
+ break;
+ }
+ lan743x_csr_write(adapter, MAC_CR, data);
+
memset(&ksettings, 0, sizeof(ksettings));
phy_ethtool_get_link_ksettings(netdev, &ksettings);
local_advertisement =
@@ -980,20 +1017,44 @@ static void lan743x_phy_close(struct lan743x_adapter *adapter)
static int lan743x_phy_open(struct lan743x_adapter *adapter)
{
struct lan743x_phy *phy = &adapter->phy;
+ struct device_node *phynode;
struct phy_device *phydev;
struct net_device *netdev;
int ret = -EIO;
netdev = adapter->netdev;
- phydev = phy_find_first(adapter->mdiobus);
- if (!phydev)
- goto return_error;
+ phynode = of_node_get(adapter->pdev->dev.of_node);
+ adapter->phy_mode = PHY_INTERFACE_MODE_GMII;
+
+ if (phynode) {
+ of_get_phy_mode(phynode, &adapter->phy_mode);
+
+ if (of_phy_is_fixed_link(phynode)) {
+ ret = of_phy_register_fixed_link(phynode);
+ if (ret) {
+ netdev_err(netdev,
+ "cannot register fixed PHY\n");
+ of_node_put(phynode);
+ goto return_error;
+ }
+ }
+ phydev = of_phy_connect(netdev, phynode,
+ lan743x_phy_link_status_change, 0,
+ adapter->phy_mode);
+ of_node_put(phynode);
+ if (!phydev)
+ goto return_error;
+ } else {
+ phydev = phy_find_first(adapter->mdiobus);
+ if (!phydev)
+ goto return_error;
- ret = phy_connect_direct(netdev, phydev,
- lan743x_phy_link_status_change,
- PHY_INTERFACE_MODE_GMII);
- if (ret)
- goto return_error;
+ ret = phy_connect_direct(netdev, phydev,
+ lan743x_phy_link_status_change,
+ adapter->phy_mode);
+ if (ret)
+ goto return_error;
+ }
/* MAC doesn't support 1000T Half */
phy_remove_link_mode(phydev, ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 3b02eeae5f45..c61a40411317 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -4,6 +4,7 @@
#ifndef _LAN743X_H
#define _LAN743X_H
+#include <linux/phy.h>
#include "lan743x_ptp.h"
#define DRIVER_AUTHOR "Bryan Whitehead <Bryan.Whitehead@microchip.com>"
@@ -104,10 +105,14 @@
((value << 0) & FCT_FLOW_CTL_ON_THRESHOLD_)
#define MAC_CR (0x100)
+#define MAC_CR_MII_EN_ BIT(19)
#define MAC_CR_EEE_EN_ BIT(17)
#define MAC_CR_ADD_ BIT(12)
#define MAC_CR_ASD_ BIT(11)
#define MAC_CR_CNTR_RST_ BIT(5)
+#define MAC_CR_DPX_ BIT(3)
+#define MAC_CR_CFG_H_ BIT(2)
+#define MAC_CR_CFG_L_ BIT(1)
#define MAC_CR_RST_ BIT(0)
#define MAC_RX (0x104)
@@ -698,6 +703,7 @@ struct lan743x_rx {
struct lan743x_adapter {
struct net_device *netdev;
struct mii_bus *mdiobus;
+ phy_interface_t phy_mode;
int msg_enable;
#ifdef CONFIG_PM
u32 wolopts;
diff --git a/drivers/net/ethernet/microchip/lan743x_ptp.c b/drivers/net/ethernet/microchip/lan743x_ptp.c
index 9399f6a98748..ab6d719d40f0 100644
--- a/drivers/net/ethernet/microchip/lan743x_ptp.c
+++ b/drivers/net/ethernet/microchip/lan743x_ptp.c
@@ -2,12 +2,12 @@
/* Copyright (C) 2018 Microchip Technology Inc. */
#include <linux/netdevice.h>
-#include "lan743x_main.h"
#include <linux/ptp_clock_kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/net_tstamp.h>
+#include "lan743x_main.h"
#include "lan743x_ptp.h"
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index e1651756bf9d..49fd843c4c8a 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -331,14 +331,15 @@ static irqreturn_t moxart_mac_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t moxart_mac_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
struct moxart_mac_priv_t *priv = netdev_priv(ndev);
void *desc;
unsigned int len;
unsigned int tx_head;
u32 txdes1;
- int ret = NETDEV_TX_BUSY;
+ netdev_tx_t ret = NETDEV_TX_BUSY;
spin_lock_irq(&priv->txlock);
@@ -564,7 +565,7 @@ static int moxart_remove(struct platform_device *pdev)
struct net_device *ndev = platform_get_drvdata(pdev);
unregister_netdev(ndev);
- free_irq(ndev->irq, ndev);
+ devm_free_irq(&pdev->dev, ndev->irq, ndev);
moxart_mac_free_memory(ndev);
free_netdev(ndev);
diff --git a/drivers/net/ethernet/mscc/Makefile b/drivers/net/ethernet/mscc/Makefile
index 9a36c26095c8..91b33b55054e 100644
--- a/drivers/net/ethernet/mscc/Makefile
+++ b/drivers/net/ethernet/mscc/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: (GPL-2.0 OR MIT)
obj-$(CONFIG_MSCC_OCELOT_SWITCH) += mscc_ocelot_common.o
mscc_ocelot_common-y := ocelot.o ocelot_io.o
-mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o ocelot_flower.o
+mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o ocelot_flower.o ocelot_ptp.o
obj-$(CONFIG_MSCC_OCELOT_SWITCH_OCELOT) += ocelot_board.o
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index a8c48a4a708f..9cfe1fd98c30 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/skbuff.h>
#include <linux/iopoll.h>
#include <net/arp.h>
@@ -1031,10 +1030,8 @@ int ocelot_fdb_dump(struct ocelot *ocelot, int port,
{
int i, j;
- /* Loop through all the mac tables entries. There are 1024 rows of 4
- * entries.
- */
- for (i = 0; i < 1024; i++) {
+ /* Loop through all the mac tables entries. */
+ for (i = 0; i < ocelot->num_mact_rows; i++) {
for (j = 0; j < 4; j++) {
struct ocelot_mact_entry entry;
bool is_static;
@@ -1207,18 +1204,19 @@ static int ocelot_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
struct ocelot *ocelot = priv->port.ocelot;
int port = priv->chip_port;
- /* The function is only used for PTP operations for now */
- if (!ocelot->ptp)
- return -EOPNOTSUPP;
-
- switch (cmd) {
- case SIOCSHWTSTAMP:
- return ocelot_hwstamp_set(ocelot, port, ifr);
- case SIOCGHWTSTAMP:
- return ocelot_hwstamp_get(ocelot, port, ifr);
- default:
- return -EOPNOTSUPP;
+ /* If the attached PHY device isn't capable of timestamping operations,
+ * use our own (when possible).
+ */
+ if (!phy_has_hwtstamp(dev->phydev) && ocelot->ptp) {
+ switch (cmd) {
+ case SIOCSHWTSTAMP:
+ return ocelot_hwstamp_set(ocelot, port, ifr);
+ case SIOCGHWTSTAMP:
+ return ocelot_hwstamp_get(ocelot, port, ifr);
+ }
}
+
+ return phy_mii_ioctl(dev->phydev, ifr, cmd);
}
static const struct net_device_ops ocelot_port_netdev_ops = {
@@ -1350,6 +1348,12 @@ int ocelot_get_ts_info(struct ocelot *ocelot, int port,
{
info->phc_index = ocelot->ptp_clock ?
ptp_clock_index(ocelot->ptp_clock) : -1;
+ if (info->phc_index == -1) {
+ info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE;
+ return 0;
+ }
info->so_timestamping |= SOF_TIMESTAMPING_TX_SOFTWARE |
SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_SOFTWARE |
@@ -1453,8 +1457,15 @@ static void ocelot_port_attr_stp_state_set(struct ocelot *ocelot, int port,
void ocelot_set_ageing_time(struct ocelot *ocelot, unsigned int msecs)
{
- ocelot_write(ocelot, ANA_AUTOAGE_AGE_PERIOD(msecs / 2),
- ANA_AUTOAGE);
+ unsigned int age_period = ANA_AUTOAGE_AGE_PERIOD(msecs / 2000);
+
+ /* Setting AGE_PERIOD to zero effectively disables automatic aging,
+ * which is clearly not what our intention is. So avoid that.
+ */
+ if (!age_period)
+ age_period = 1;
+
+ ocelot_rmw(ocelot, age_period, ANA_AUTOAGE_AGE_PERIOD_M, ANA_AUTOAGE);
}
EXPORT_SYMBOL(ocelot_set_ageing_time);
@@ -1462,7 +1473,7 @@ static void ocelot_port_attr_ageing_set(struct ocelot *ocelot, int port,
unsigned long ageing_clock_t)
{
unsigned long ageing_jiffies = clock_t_to_jiffies(ageing_clock_t);
- u32 ageing_time = jiffies_to_msecs(ageing_jiffies) / 1000;
+ u32 ageing_time = jiffies_to_msecs(ageing_jiffies);
ocelot_set_ageing_time(ocelot, ageing_time);
}
@@ -1991,200 +2002,6 @@ struct notifier_block ocelot_switchdev_blocking_nb __read_mostly = {
};
EXPORT_SYMBOL(ocelot_switchdev_blocking_nb);
-int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- time64_t s;
- u32 val;
- s64 ns;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_SAVE);
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- s = ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN) & 0xffff;
- s <<= 32;
- s += ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
- ns = ocelot_read_rix(ocelot, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
-
- /* Deal with negative values */
- if (ns >= 0x3ffffff0 && ns <= 0x3fffffff) {
- s--;
- ns &= 0xf;
- ns += 999999984;
- }
-
- set_normalized_timespec64(ts, s, ns);
- return 0;
-}
-EXPORT_SYMBOL(ocelot_ptp_gettime64);
-
-static int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
- const struct timespec64 *ts)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- ocelot_write_rix(ocelot, lower_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_LSB,
- TOD_ACC_PIN);
- ocelot_write_rix(ocelot, upper_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_MSB,
- TOD_ACC_PIN);
- ocelot_write_rix(ocelot, ts->tv_nsec, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_LOAD);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-}
-
-static int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
-{
- if (delta > -(NSEC_PER_SEC / 2) && delta < (NSEC_PER_SEC / 2)) {
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- unsigned long flags;
- u32 val;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
- ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN);
- ocelot_write_rix(ocelot, delta, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
-
- val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
- val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
- val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_DELTA);
-
- ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- } else {
- /* Fall back using ocelot_ptp_settime64 which is not exact. */
- struct timespec64 ts;
- u64 now;
-
- ocelot_ptp_gettime64(ptp, &ts);
-
- now = ktime_to_ns(timespec64_to_ktime(ts));
- ts = ns_to_timespec64(now + delta);
-
- ocelot_ptp_settime64(ptp, &ts);
- }
- return 0;
-}
-
-static int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
-{
- struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
- u32 unit = 0, direction = 0;
- unsigned long flags;
- u64 adj = 0;
-
- spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
-
- if (!scaled_ppm)
- goto disable_adj;
-
- if (scaled_ppm < 0) {
- direction = PTP_CFG_CLK_ADJ_CFG_DIR;
- scaled_ppm = -scaled_ppm;
- }
-
- adj = PSEC_PER_SEC << 16;
- do_div(adj, scaled_ppm);
- do_div(adj, 1000);
-
- /* If the adjustment value is too large, use ns instead */
- if (adj >= (1L << 30)) {
- unit = PTP_CFG_CLK_ADJ_FREQ_NS;
- do_div(adj, 1000);
- }
-
- /* Still too big */
- if (adj >= (1L << 30))
- goto disable_adj;
-
- ocelot_write(ocelot, unit | adj, PTP_CLK_CFG_ADJ_FREQ);
- ocelot_write(ocelot, PTP_CFG_CLK_ADJ_CFG_ENA | direction,
- PTP_CLK_CFG_ADJ_CFG);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-
-disable_adj:
- ocelot_write(ocelot, 0, PTP_CLK_CFG_ADJ_CFG);
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- return 0;
-}
-
-static struct ptp_clock_info ocelot_ptp_clock_info = {
- .owner = THIS_MODULE,
- .name = "ocelot ptp",
- .max_adj = 0x7fffffff,
- .n_alarm = 0,
- .n_ext_ts = 0,
- .n_per_out = 0,
- .n_pins = 0,
- .pps = 0,
- .gettime64 = ocelot_ptp_gettime64,
- .settime64 = ocelot_ptp_settime64,
- .adjtime = ocelot_ptp_adjtime,
- .adjfine = ocelot_ptp_adjfine,
-};
-
-static int ocelot_init_timestamp(struct ocelot *ocelot)
-{
- struct ptp_clock *ptp_clock;
-
- ocelot->ptp_info = ocelot_ptp_clock_info;
- ptp_clock = ptp_clock_register(&ocelot->ptp_info, ocelot->dev);
- if (IS_ERR(ptp_clock))
- return PTR_ERR(ptp_clock);
- /* Check if PHC support is missing at the configuration level */
- if (!ptp_clock)
- return 0;
-
- ocelot->ptp_clock = ptp_clock;
-
- ocelot_write(ocelot, SYS_PTP_CFG_PTP_STAMP_WID(30), SYS_PTP_CFG);
- ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_LOW);
- ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_HIGH);
-
- ocelot_write(ocelot, PTP_CFG_MISC_PTP_EN, PTP_CFG_MISC);
-
- /* There is no device reconfiguration, PTP Rx stamping is always
- * enabled.
- */
- ocelot->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
-
- return 0;
-}
-
/* Configure the maximum SDU (L2 payload) on RX to the value specified in @sdu.
* The length of VLAN tags is accounted for automatically via DEV_MAC_TAGS_CFG.
* In the special case that it's the NPI port that we're configuring, the
@@ -2530,15 +2347,6 @@ int ocelot_init(struct ocelot *ocelot)
queue_delayed_work(ocelot->stats_queue, &ocelot->stats_work,
OCELOT_STATS_CHECK_DELAY);
- if (ocelot->ptp) {
- ret = ocelot_init_timestamp(ocelot);
- if (ret) {
- dev_err(ocelot->dev,
- "Timestamp initialization failed\n");
- return ret;
- }
- }
-
return 0;
}
EXPORT_SYMBOL(ocelot_init);
@@ -2551,8 +2359,6 @@ void ocelot_deinit(struct ocelot *ocelot)
cancel_delayed_work(&ocelot->stats_work);
destroy_workqueue(ocelot->stats_queue);
mutex_destroy(&ocelot->stats_lock);
- if (ocelot->ptp_clock)
- ptp_clock_unregister(ocelot->ptp_clock);
for (i = 0; i < ocelot->num_phys_ports; i++) {
port = ocelot->ports[i];
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index 641af929497f..f0a15aa187f2 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -15,18 +15,17 @@
#include <linux/phy.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/regmap.h>
#include <soc/mscc/ocelot_qsys.h>
#include <soc/mscc/ocelot_sys.h>
#include <soc/mscc/ocelot_dev.h>
#include <soc/mscc/ocelot_ana.h>
+#include <soc/mscc/ocelot_ptp.h>
#include <soc/mscc/ocelot.h>
#include "ocelot_rew.h"
#include "ocelot_qs.h"
#include "ocelot_tc.h"
-#include "ocelot_ptp.h"
#define OCELOT_BUFFER_CELL_SZ 60
diff --git a/drivers/net/ethernet/mscc/ocelot_ace.c b/drivers/net/ethernet/mscc/ocelot_ace.c
index 3bd286044480..dfd82a3baab2 100644
--- a/drivers/net/ethernet/mscc/ocelot_ace.c
+++ b/drivers/net/ethernet/mscc/ocelot_ace.c
@@ -706,13 +706,124 @@ ocelot_ace_rule_get_rule_index(struct ocelot_acl_block *block, int index)
return NULL;
}
+/* If @on=false, then SNAP, ARP, IP and OAM frames will not match on keys based
+ * on destination and source MAC addresses, but only on higher-level protocol
+ * information. The only frame types to match on keys containing MAC addresses
+ * in this case are non-SNAP, non-ARP, non-IP and non-OAM frames.
+ *
+ * If @on=true, then the above frame types (SNAP, ARP, IP and OAM) will match
+ * on MAC_ETYPE keys such as destination and source MAC on this ingress port.
+ * However the setting has the side effect of making these frames not matching
+ * on any _other_ keys than MAC_ETYPE ones.
+ */
+static void ocelot_match_all_as_mac_etype(struct ocelot *ocelot, int port,
+ bool on)
+{
+ u32 val = 0;
+
+ if (on)
+ val = ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS(3) |
+ ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS(3);
+
+ ocelot_rmw_gix(ocelot, val,
+ ANA_PORT_VCAP_S2_CFG_S2_SNAP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_ARP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_TCPUDP_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_IP_OTHER_DIS_M |
+ ANA_PORT_VCAP_S2_CFG_S2_OAM_DIS_M,
+ ANA_PORT_VCAP_S2_CFG, port);
+}
+
+static bool ocelot_ace_is_problematic_mac_etype(struct ocelot_ace_rule *ace)
+{
+ u16 proto, mask;
+
+ if (ace->type != OCELOT_ACE_TYPE_ETYPE)
+ return false;
+
+ proto = ntohs(*(u16 *)ace->frame.etype.etype.value);
+ mask = ntohs(*(u16 *)ace->frame.etype.etype.mask);
+
+ /* ETH_P_ALL match, so all protocols below are included */
+ if (mask == 0)
+ return true;
+ if (proto == ETH_P_ARP)
+ return true;
+ if (proto == ETH_P_IP)
+ return true;
+ if (proto == ETH_P_IPV6)
+ return true;
+
+ return false;
+}
+
+static bool ocelot_ace_is_problematic_non_mac_etype(struct ocelot_ace_rule *ace)
+{
+ if (ace->type == OCELOT_ACE_TYPE_SNAP)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_ARP)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_IPV4)
+ return true;
+ if (ace->type == OCELOT_ACE_TYPE_IPV6)
+ return true;
+ return false;
+}
+
+static bool ocelot_exclusive_mac_etype_ace_rules(struct ocelot *ocelot,
+ struct ocelot_ace_rule *ace)
+{
+ struct ocelot_acl_block *block = &ocelot->acl_block;
+ struct ocelot_ace_rule *tmp;
+ unsigned long port;
+ int i;
+
+ if (ocelot_ace_is_problematic_mac_etype(ace)) {
+ /* Search for any non-MAC_ETYPE rules on the port */
+ for (i = 0; i < block->count; i++) {
+ tmp = ocelot_ace_rule_get_rule_index(block, i);
+ if (tmp->ingress_port_mask & ace->ingress_port_mask &&
+ ocelot_ace_is_problematic_non_mac_etype(tmp))
+ return false;
+ }
+
+ for_each_set_bit(port, &ace->ingress_port_mask,
+ ocelot->num_phys_ports)
+ ocelot_match_all_as_mac_etype(ocelot, port, true);
+ } else if (ocelot_ace_is_problematic_non_mac_etype(ace)) {
+ /* Search for any MAC_ETYPE rules on the port */
+ for (i = 0; i < block->count; i++) {
+ tmp = ocelot_ace_rule_get_rule_index(block, i);
+ if (tmp->ingress_port_mask & ace->ingress_port_mask &&
+ ocelot_ace_is_problematic_mac_etype(tmp))
+ return false;
+ }
+
+ for_each_set_bit(port, &ace->ingress_port_mask,
+ ocelot->num_phys_ports)
+ ocelot_match_all_as_mac_etype(ocelot, port, false);
+ }
+
+ return true;
+}
+
int ocelot_ace_rule_offload_add(struct ocelot *ocelot,
- struct ocelot_ace_rule *rule)
+ struct ocelot_ace_rule *rule,
+ struct netlink_ext_ack *extack)
{
struct ocelot_acl_block *block = &ocelot->acl_block;
struct ocelot_ace_rule *ace;
int i, index;
+ if (!ocelot_exclusive_mac_etype_ace_rules(ocelot, rule)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Cannot mix MAC_ETYPE with non-MAC_ETYPE rules");
+ return -EBUSY;
+ }
+
/* Add rule to the linked list */
ocelot_ace_rule_add(ocelot, block, rule);
diff --git a/drivers/net/ethernet/mscc/ocelot_ace.h b/drivers/net/ethernet/mscc/ocelot_ace.h
index 29d22c566786..099e177f2617 100644
--- a/drivers/net/ethernet/mscc/ocelot_ace.h
+++ b/drivers/net/ethernet/mscc/ocelot_ace.h
@@ -194,7 +194,7 @@ struct ocelot_ace_rule {
enum ocelot_ace_action action;
struct ocelot_ace_stats stats;
- u16 ingress_port_mask;
+ unsigned long ingress_port_mask;
enum ocelot_vcap_bit dmac_mc;
enum ocelot_vcap_bit dmac_bc;
@@ -215,7 +215,8 @@ struct ocelot_ace_rule {
};
int ocelot_ace_rule_offload_add(struct ocelot *ocelot,
- struct ocelot_ace_rule *rule);
+ struct ocelot_ace_rule *rule,
+ struct netlink_ext_ack *extack);
int ocelot_ace_rule_offload_del(struct ocelot *ocelot,
struct ocelot_ace_rule *rule);
int ocelot_ace_rule_stats_update(struct ocelot *ocelot,
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c
index 0ac9fbf77a01..4a15d2ff8b70 100644
--- a/drivers/net/ethernet/mscc/ocelot_board.c
+++ b/drivers/net/ethernet/mscc/ocelot_board.c
@@ -189,7 +189,8 @@ static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
skb->offload_fwd_mark = 1;
skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
+ if (!skb_defer_rx_timestamp(skb))
+ netif_rx(skb);
dev->stats.rx_bytes += len;
dev->stats.rx_packets++;
} while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp));
@@ -366,6 +367,23 @@ static const struct vcap_props vsc7514_vcap_props[] = {
},
};
+static struct ptp_clock_info ocelot_ptp_clock_info = {
+ .owner = THIS_MODULE,
+ .name = "ocelot ptp",
+ .max_adj = 0x7fffffff,
+ .n_alarm = 0,
+ .n_ext_ts = 0,
+ .n_per_out = OCELOT_PTP_PINS_NUM,
+ .n_pins = OCELOT_PTP_PINS_NUM,
+ .pps = 0,
+ .gettime64 = ocelot_ptp_gettime64,
+ .settime64 = ocelot_ptp_settime64,
+ .adjtime = ocelot_ptp_adjtime,
+ .adjfine = ocelot_ptp_adjfine,
+ .verify = ocelot_ptp_verify,
+ .enable = ocelot_ptp_enable,
+};
+
static int mscc_ocelot_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -469,6 +487,15 @@ static int mscc_ocelot_probe(struct platform_device *pdev)
ocelot->vcap = vsc7514_vcap_props;
ocelot_init(ocelot);
+ if (ocelot->ptp) {
+ err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info);
+ if (err) {
+ dev_err(ocelot->dev,
+ "Timestamp initialization failed\n");
+ ocelot->ptp = 0;
+ }
+ }
+
/* No NPI port */
ocelot_configure_cpu(ocelot, -1, OCELOT_TAG_PREFIX_NONE,
OCELOT_TAG_PREFIX_NONE);
@@ -574,6 +601,7 @@ static int mscc_ocelot_remove(struct platform_device *pdev)
{
struct ocelot *ocelot = platform_get_drvdata(pdev);
+ ocelot_deinit_timestamp(ocelot);
ocelot_deinit(ocelot);
unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb);
unregister_switchdev_notifier(&ocelot_switchdev_nb);
diff --git a/drivers/net/ethernet/mscc/ocelot_flower.c b/drivers/net/ethernet/mscc/ocelot_flower.c
index 341923311fec..5ce172e22b43 100644
--- a/drivers/net/ethernet/mscc/ocelot_flower.c
+++ b/drivers/net/ethernet/mscc/ocelot_flower.c
@@ -51,6 +51,8 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
{
struct flow_rule *rule = flow_cls_offload_flow_rule(f);
struct flow_dissector *dissector = rule->match.dissector;
+ u16 proto = ntohs(f->common.protocol);
+ bool match_protocol = true;
if (dissector->used_keys &
~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
@@ -71,7 +73,6 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
struct flow_match_eth_addrs match;
- u16 proto = ntohs(f->common.protocol);
/* The hw support mac matches only for MAC_ETYPE key,
* therefore if other matches(port, tcp flags, etc) are added
@@ -86,11 +87,6 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
BIT(FLOW_DISSECTOR_KEY_CONTROL)))
return -EOPNOTSUPP;
- if (proto == ETH_P_IP ||
- proto == ETH_P_IPV6 ||
- proto == ETH_P_ARP)
- return -EOPNOTSUPP;
-
flow_rule_match_eth_addrs(rule, &match);
ace->type = OCELOT_ACE_TYPE_ETYPE;
ether_addr_copy(ace->frame.etype.dmac.value,
@@ -114,6 +110,7 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
match.key->ip_proto;
ace->frame.ipv4.proto.mask[0] =
match.mask->ip_proto;
+ match_protocol = false;
}
if (ntohs(match.key->n_proto) == ETH_P_IPV6) {
ace->type = OCELOT_ACE_TYPE_IPV6;
@@ -121,11 +118,12 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
match.key->ip_proto;
ace->frame.ipv6.proto.mask[0] =
match.mask->ip_proto;
+ match_protocol = false;
}
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS) &&
- ntohs(f->common.protocol) == ETH_P_IP) {
+ proto == ETH_P_IP) {
struct flow_match_ipv4_addrs match;
u8 *tmp;
@@ -141,10 +139,11 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
tmp = &ace->frame.ipv4.dip.mask.addr[0];
memcpy(tmp, &match.mask->dst, 4);
+ match_protocol = false;
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV6_ADDRS) &&
- ntohs(f->common.protocol) == ETH_P_IPV6) {
+ proto == ETH_P_IPV6) {
return -EOPNOTSUPP;
}
@@ -156,6 +155,7 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
ace->frame.ipv4.sport.mask = ntohs(match.mask->src);
ace->frame.ipv4.dport.value = ntohs(match.key->dst);
ace->frame.ipv4.dport.mask = ntohs(match.mask->dst);
+ match_protocol = false;
}
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
@@ -167,9 +167,20 @@ static int ocelot_flower_parse(struct flow_cls_offload *f,
ace->vlan.vid.mask = match.mask->vlan_id;
ace->vlan.pcp.value[0] = match.key->vlan_priority;
ace->vlan.pcp.mask[0] = match.mask->vlan_priority;
+ match_protocol = false;
}
finished_key_parsing:
+ if (match_protocol && proto != ETH_P_ALL) {
+ /* TODO: support SNAP, LLC etc */
+ if (proto < ETH_P_802_3_MIN)
+ return -EOPNOTSUPP;
+ ace->type = OCELOT_ACE_TYPE_ETYPE;
+ *(u16 *)ace->frame.etype.etype.value = htons(proto);
+ *(u16 *)ace->frame.etype.etype.mask = 0xffff;
+ }
+ /* else, a rule of type OCELOT_ACE_TYPE_ANY is implicitly added */
+
ace->prio = f->common.prio;
ace->id = f->cookie;
return ocelot_flower_parse_action(f, ace);
@@ -205,7 +216,7 @@ int ocelot_cls_flower_replace(struct ocelot *ocelot, int port,
return ret;
}
- return ocelot_ace_rule_offload_add(ocelot, ace);
+ return ocelot_ace_rule_offload_add(ocelot, ace, f->common.extack);
}
EXPORT_SYMBOL_GPL(ocelot_cls_flower_replace);
diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.c b/drivers/net/ethernet/mscc/ocelot_ptp.c
new file mode 100644
index 000000000000..a3088a1676ed
--- /dev/null
+++ b/drivers/net/ethernet/mscc/ocelot_ptp.c
@@ -0,0 +1,324 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/* Microsemi Ocelot PTP clock driver
+ *
+ * Copyright (c) 2017 Microsemi Corporation
+ * Copyright 2020 NXP
+ */
+#include <soc/mscc/ocelot_ptp.h>
+#include <soc/mscc/ocelot_sys.h>
+#include <soc/mscc/ocelot.h>
+
+int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ unsigned long flags;
+ time64_t s;
+ u32 val;
+ s64 ns;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_SAVE);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ s = ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN) & 0xffff;
+ s <<= 32;
+ s += ocelot_read_rix(ocelot, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
+ ns = ocelot_read_rix(ocelot, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+
+ /* Deal with negative values */
+ if (ns >= 0x3ffffff0 && ns <= 0x3fffffff) {
+ s--;
+ ns &= 0xf;
+ ns += 999999984;
+ }
+
+ set_normalized_timespec64(ts, s, ns);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_gettime64);
+
+int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
+ const struct timespec64 *ts)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ ocelot_write_rix(ocelot, lower_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_LSB,
+ TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, upper_32_bits(ts->tv_sec), PTP_PIN_TOD_SEC_MSB,
+ TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, ts->tv_nsec, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK | PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_LOAD);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_settime64);
+
+int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
+{
+ if (delta > -(NSEC_PER_SEC / 2) && delta < (NSEC_PER_SEC / 2)) {
+ struct ocelot *ocelot = container_of(ptp, struct ocelot,
+ ptp_info);
+ unsigned long flags;
+ u32 val;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK |
+ PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_LSB, TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, 0, PTP_PIN_TOD_SEC_MSB, TOD_ACC_PIN);
+ ocelot_write_rix(ocelot, delta, PTP_PIN_TOD_NSEC, TOD_ACC_PIN);
+
+ val = ocelot_read_rix(ocelot, PTP_PIN_CFG, TOD_ACC_PIN);
+ val &= ~(PTP_PIN_CFG_SYNC | PTP_PIN_CFG_ACTION_MASK |
+ PTP_PIN_CFG_DOM);
+ val |= PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_DELTA);
+
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, TOD_ACC_PIN);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ } else {
+ /* Fall back using ocelot_ptp_settime64 which is not exact. */
+ struct timespec64 ts;
+ u64 now;
+
+ ocelot_ptp_gettime64(ptp, &ts);
+
+ now = ktime_to_ns(timespec64_to_ktime(ts));
+ ts = ns_to_timespec64(now + delta);
+
+ ocelot_ptp_settime64(ptp, &ts);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_adjtime);
+
+int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ u32 unit = 0, direction = 0;
+ unsigned long flags;
+ u64 adj = 0;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+
+ if (!scaled_ppm)
+ goto disable_adj;
+
+ if (scaled_ppm < 0) {
+ direction = PTP_CFG_CLK_ADJ_CFG_DIR;
+ scaled_ppm = -scaled_ppm;
+ }
+
+ adj = PSEC_PER_SEC << 16;
+ do_div(adj, scaled_ppm);
+ do_div(adj, 1000);
+
+ /* If the adjustment value is too large, use ns instead */
+ if (adj >= (1L << 30)) {
+ unit = PTP_CFG_CLK_ADJ_FREQ_NS;
+ do_div(adj, 1000);
+ }
+
+ /* Still too big */
+ if (adj >= (1L << 30))
+ goto disable_adj;
+
+ ocelot_write(ocelot, unit | adj, PTP_CLK_CFG_ADJ_FREQ);
+ ocelot_write(ocelot, PTP_CFG_CLK_ADJ_CFG_ENA | direction,
+ PTP_CLK_CFG_ADJ_CFG);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+
+disable_adj:
+ ocelot_write(ocelot, 0, PTP_CLK_CFG_ADJ_CFG);
+
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_adjfine);
+
+int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+ enum ptp_pin_function func, unsigned int chan)
+{
+ switch (func) {
+ case PTP_PF_NONE:
+ case PTP_PF_PEROUT:
+ break;
+ case PTP_PF_EXTTS:
+ case PTP_PF_PHYSYNC:
+ return -1;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_verify);
+
+int ocelot_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq, int on)
+{
+ struct ocelot *ocelot = container_of(ptp, struct ocelot, ptp_info);
+ struct timespec64 ts_start, ts_period;
+ enum ocelot_ptp_pins ptp_pin;
+ unsigned long flags;
+ bool pps = false;
+ int pin = -1;
+ u32 val;
+ s64 ns;
+
+ switch (rq->type) {
+ case PTP_CLK_REQ_PEROUT:
+ /* Reject requests with unsupported flags */
+ if (rq->perout.flags)
+ return -EOPNOTSUPP;
+
+ pin = ptp_find_pin(ocelot->ptp_clock, PTP_PF_PEROUT,
+ rq->perout.index);
+ if (pin == 0)
+ ptp_pin = PTP_PIN_0;
+ else if (pin == 1)
+ ptp_pin = PTP_PIN_1;
+ else if (pin == 2)
+ ptp_pin = PTP_PIN_2;
+ else if (pin == 3)
+ ptp_pin = PTP_PIN_3;
+ else
+ return -EBUSY;
+
+ ts_start.tv_sec = rq->perout.start.sec;
+ ts_start.tv_nsec = rq->perout.start.nsec;
+ ts_period.tv_sec = rq->perout.period.sec;
+ ts_period.tv_nsec = rq->perout.period.nsec;
+
+ if (ts_period.tv_sec == 1 && ts_period.tv_nsec == 0)
+ pps = true;
+
+ if (ts_start.tv_sec || (ts_start.tv_nsec && !pps)) {
+ dev_warn(ocelot->dev,
+ "Absolute start time not supported!\n");
+ dev_warn(ocelot->dev,
+ "Accept nsec for PPS phase adjustment, otherwise start time should be 0 0.\n");
+ return -EINVAL;
+ }
+
+ /* Handle turning off */
+ if (!on) {
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_IDLE);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ }
+
+ /* Handle PPS request */
+ if (pps) {
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ /* Pulse generated perout.start.nsec after TOD has
+ * increased seconds.
+ * Pulse width is set to 1us.
+ */
+ ocelot_write_rix(ocelot, ts_start.tv_nsec,
+ PTP_PIN_WF_LOW_PERIOD, ptp_pin);
+ ocelot_write_rix(ocelot, 1000,
+ PTP_PIN_WF_HIGH_PERIOD, ptp_pin);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_CLOCK);
+ val |= PTP_PIN_CFG_SYNC;
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ }
+
+ /* Handle periodic clock */
+ ns = timespec64_to_ns(&ts_period);
+ ns = ns >> 1;
+ if (ns > 0x3fffffff || ns <= 0x6)
+ return -EINVAL;
+
+ spin_lock_irqsave(&ocelot->ptp_clock_lock, flags);
+ ocelot_write_rix(ocelot, ns, PTP_PIN_WF_LOW_PERIOD, ptp_pin);
+ ocelot_write_rix(ocelot, ns, PTP_PIN_WF_HIGH_PERIOD, ptp_pin);
+ val = PTP_PIN_CFG_ACTION(PTP_PIN_ACTION_CLOCK);
+ ocelot_write_rix(ocelot, val, PTP_PIN_CFG, ptp_pin);
+ spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_ptp_enable);
+
+int ocelot_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info)
+{
+ struct ptp_clock *ptp_clock;
+ int i;
+
+ ocelot->ptp_info = *info;
+
+ for (i = 0; i < OCELOT_PTP_PINS_NUM; i++) {
+ struct ptp_pin_desc *p = &ocelot->ptp_pins[i];
+
+ snprintf(p->name, sizeof(p->name), "switch_1588_dat%d", i);
+ p->index = i;
+ p->func = PTP_PF_NONE;
+ }
+
+ ocelot->ptp_info.pin_config = &ocelot->ptp_pins[0];
+
+ ptp_clock = ptp_clock_register(&ocelot->ptp_info, ocelot->dev);
+ if (IS_ERR(ptp_clock))
+ return PTR_ERR(ptp_clock);
+ /* Check if PHC support is missing at the configuration level */
+ if (!ptp_clock)
+ return 0;
+
+ ocelot->ptp_clock = ptp_clock;
+
+ ocelot_write(ocelot, SYS_PTP_CFG_PTP_STAMP_WID(30), SYS_PTP_CFG);
+ ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_LOW);
+ ocelot_write(ocelot, 0xffffffff, ANA_TABLES_PTP_ID_HIGH);
+
+ ocelot_write(ocelot, PTP_CFG_MISC_PTP_EN, PTP_CFG_MISC);
+
+ /* There is no device reconfiguration, PTP Rx stamping is always
+ * enabled.
+ */
+ ocelot->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_init_timestamp);
+
+int ocelot_deinit_timestamp(struct ocelot *ocelot)
+{
+ if (ocelot->ptp_clock)
+ ptp_clock_unregister(ocelot->ptp_clock);
+ return 0;
+}
+EXPORT_SYMBOL(ocelot_deinit_timestamp);
diff --git a/drivers/net/ethernet/mscc/ocelot_regs.c b/drivers/net/ethernet/mscc/ocelot_regs.c
index b88b5899b227..81d81ff75646 100644
--- a/drivers/net/ethernet/mscc/ocelot_regs.c
+++ b/drivers/net/ethernet/mscc/ocelot_regs.c
@@ -239,6 +239,8 @@ static const u32 ocelot_ptp_regmap[] = {
REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
REG(PTP_PIN_TOD_NSEC, 0x00000c),
+ REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014),
+ REG(PTP_PIN_WF_LOW_PERIOD, 0x000018),
REG(PTP_CFG_MISC, 0x0000a0),
REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
@@ -431,6 +433,7 @@ int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops)
ocelot->stats_layout = ocelot_stats_layout;
ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout);
ocelot->shared_queue_sz = 224 * 1024;
+ ocelot->num_mact_rows = 1024;
ocelot->ops = ops;
ret = ocelot_regfields_init(ocelot, ocelot_regfields);
diff --git a/drivers/net/ethernet/mscc/ocelot_tc.c b/drivers/net/ethernet/mscc/ocelot_tc.c
index d326e231f0ad..b7baf7624e18 100644
--- a/drivers/net/ethernet/mscc/ocelot_tc.c
+++ b/drivers/net/ethernet/mscc/ocelot_tc.c
@@ -48,7 +48,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
if (priv->tc.police_id && priv->tc.police_id != f->cookie) {
NL_SET_ERR_MSG_MOD(extack,
- "Only one policer per port is supported\n");
+ "Only one policer per port is supported");
return -EEXIST;
}
@@ -59,7 +59,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
err = ocelot_port_policer_add(ocelot, port, &pol);
if (err) {
- NL_SET_ERR_MSG_MOD(extack, "Could not add policer\n");
+ NL_SET_ERR_MSG_MOD(extack, "Could not add policer");
return err;
}
@@ -73,7 +73,7 @@ static int ocelot_setup_tc_cls_matchall(struct ocelot_port_private *priv,
err = ocelot_port_policer_del(ocelot, port);
if (err) {
NL_SET_ERR_MSG_MOD(extack,
- "Could not delete policer\n");
+ "Could not delete policer");
return err;
}
priv->tc.police_id = 0;
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 2616fd735aab..e1e1f4e3639e 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -1174,18 +1174,6 @@ myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst,
mb();
}
-static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, __wsum hw_csum)
-{
- struct vlan_hdr *vh = (struct vlan_hdr *)(skb->data);
-
- if ((skb->protocol == htons(ETH_P_8021Q)) &&
- (vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
- vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
- skb->csum = hw_csum;
- skb->ip_summed = CHECKSUM_COMPLETE;
- }
-}
-
static void
myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
int bytes, int watchdog)
diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c
index bfa0c0d39600..8b018ed37b1b 100644
--- a/drivers/net/ethernet/natsemi/jazzsonic.c
+++ b/drivers/net/ethernet/natsemi/jazzsonic.c
@@ -208,11 +208,13 @@ static int jazz_sonic_probe(struct platform_device *pdev)
err = register_netdev(dev);
if (err)
- goto out1;
+ goto undo_probe1;
return 0;
-out1:
+undo_probe1:
+ dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
release_mem_region(dev->base_addr, SONIC_MEM_SIZE);
out:
free_netdev(dev);
diff --git a/drivers/net/ethernet/neterion/Kconfig b/drivers/net/ethernet/neterion/Kconfig
index 5e630f3a0189..a82a37094579 100644
--- a/drivers/net/ethernet/neterion/Kconfig
+++ b/drivers/net/ethernet/neterion/Kconfig
@@ -27,7 +27,7 @@ config S2IO
on its age.
More specific information on configuring the driver is in
- <file:Documentation/networking/device_drivers/neterion/s2io.txt>.
+ <file:Documentation/networking/device_drivers/neterion/s2io.rst>.
To compile this driver as a module, choose M here. The module
will be called s2io.
@@ -42,7 +42,7 @@ config VXGE
labeled as either one, depending on its age.
More specific information on configuring the driver is in
- <file:Documentation/networking/device_drivers/neterion/vxge.txt>.
+ <file:Documentation/networking/device_drivers/neterion/vxge.rst>.
To compile this driver as a module, choose M here. The module
will be called vxge.
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.c b/drivers/net/ethernet/netronome/nfp/abm/main.c
index 9183b3e85d21..bdbf0726145e 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/main.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.c
@@ -283,6 +283,7 @@ nfp_abm_vnic_set_mac(struct nfp_pf *pf, struct nfp_abm *abm, struct nfp_net *nn,
if (!nfp_nsp_has_hwinfo_lookup(nsp)) {
nfp_warn(pf->cpp, "NSP doesn't support PF MAC generation\n");
eth_hw_addr_random(nn->dp.netdev);
+ nfp_nsp_close(nsp);
return;
}
@@ -332,8 +333,10 @@ nfp_abm_vnic_alloc(struct nfp_app *app, struct nfp_net *nn, unsigned int id)
goto err_free_alink;
alink->prio_map = kzalloc(abm->prio_map_len, GFP_KERNEL);
- if (!alink->prio_map)
+ if (!alink->prio_map) {
+ err = -ENOMEM;
goto err_free_alink;
+ }
/* This is a multi-host app, make sure MAC/PHY is up, but don't
* make the MAC/PHY state follow the state of any of the ports.
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
index 1c76e1592ca2..ff844e5cc41f 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/action.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
@@ -209,7 +209,7 @@ nfp_fl_output(struct nfp_app *app, struct nfp_fl_output *output,
NFP_FL_OUT_FLAGS_USE_TUN);
output->port = cpu_to_be32(NFP_FL_PORT_TYPE_TUN | tun_type);
} else if (netif_is_lag_master(out_dev) &&
- priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
+ priv->flower_en_feats & NFP_FL_ENABLE_LAG) {
int gid;
output->flags = cpu_to_be16(tmp_flags);
@@ -956,7 +956,7 @@ nfp_flower_output_action(struct nfp_app *app,
*a_len += sizeof(struct nfp_fl_output);
- if (priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
+ if (priv->flower_en_feats & NFP_FL_ENABLE_LAG) {
/* nfp_fl_pre_lag returns -err or size of prelag action added.
* This will be 0 if it is not egressing to a lag dev.
*/
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
index a595ddb92bff..a050cb898782 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c
@@ -264,7 +264,7 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb)
nfp_flower_cmsg_portmod_rx(app, skb);
break;
case NFP_FLOWER_CMSG_TYPE_MERGE_HINT:
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE) {
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE) {
nfp_flower_cmsg_merge_hint_rx(app, skb);
break;
}
@@ -285,7 +285,7 @@ nfp_flower_cmsg_process_one_rx(struct nfp_app *app, struct sk_buff *skb)
nfp_flower_stats_rlim_reply(app, skb);
break;
case NFP_FLOWER_CMSG_TYPE_LAG_CONFIG:
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) {
skb_stored = nfp_flower_lag_unprocessed_msg(app, skb);
break;
}
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.c b/drivers/net/ethernet/netronome/nfp/flower/main.c
index d8ad9346a26a..c39327677a7d 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.c
@@ -665,6 +665,77 @@ err_clear_nn:
return err;
}
+static void nfp_flower_wait_host_bit(struct nfp_app *app)
+{
+ unsigned long err_at;
+ u64 feat;
+ int err;
+
+ /* Wait for HOST_ACK flag bit to propagate */
+ err_at = jiffies + msecs_to_jiffies(100);
+ do {
+ feat = nfp_rtsym_read_le(app->pf->rtbl,
+ "_abi_flower_combined_features_global",
+ &err);
+ if (time_is_before_eq_jiffies(err_at)) {
+ nfp_warn(app->cpp,
+ "HOST_ACK bit not propagated in FW.\n");
+ break;
+ }
+ usleep_range(1000, 2000);
+ } while (!err && !(feat & NFP_FL_FEATS_HOST_ACK));
+
+ if (err)
+ nfp_warn(app->cpp,
+ "Could not read global features entry from FW\n");
+}
+
+static int nfp_flower_sync_feature_bits(struct nfp_app *app)
+{
+ struct nfp_flower_priv *app_priv = app->priv;
+ int err;
+
+ /* Tell the firmware of the host supported features. */
+ err = nfp_rtsym_write_le(app->pf->rtbl, "_abi_flower_host_mask",
+ app_priv->flower_ext_feats |
+ NFP_FL_FEATS_HOST_ACK);
+ if (!err)
+ nfp_flower_wait_host_bit(app);
+ else if (err != -ENOENT)
+ return err;
+
+ /* Tell the firmware that the driver supports lag. */
+ err = nfp_rtsym_write_le(app->pf->rtbl,
+ "_abi_flower_balance_sync_enable", 1);
+ if (!err) {
+ app_priv->flower_en_feats |= NFP_FL_ENABLE_LAG;
+ nfp_flower_lag_init(&app_priv->nfp_lag);
+ } else if (err == -ENOENT) {
+ nfp_warn(app->cpp, "LAG not supported by FW.\n");
+ } else {
+ return err;
+ }
+
+ if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MOD) {
+ /* Tell the firmware that the driver supports flow merging. */
+ err = nfp_rtsym_write_le(app->pf->rtbl,
+ "_abi_flower_merge_hint_enable", 1);
+ if (!err) {
+ app_priv->flower_en_feats |= NFP_FL_ENABLE_FLOW_MERGE;
+ nfp_flower_internal_port_init(app_priv);
+ } else if (err == -ENOENT) {
+ nfp_warn(app->cpp,
+ "Flow merge not supported by FW.\n");
+ } else {
+ return err;
+ }
+ } else {
+ nfp_warn(app->cpp, "Flow mod/merge not supported by FW.\n");
+ }
+
+ return 0;
+}
+
static int nfp_flower_init(struct nfp_app *app)
{
u64 version, features, ctx_count, num_mems;
@@ -753,35 +824,15 @@ static int nfp_flower_init(struct nfp_app *app)
if (err)
app_priv->flower_ext_feats = 0;
else
- app_priv->flower_ext_feats = features;
+ app_priv->flower_ext_feats = features & NFP_FL_FEATS_HOST;
- /* Tell the firmware that the driver supports lag. */
- err = nfp_rtsym_write_le(app->pf->rtbl,
- "_abi_flower_balance_sync_enable", 1);
- if (!err) {
- app_priv->flower_ext_feats |= NFP_FL_FEATS_LAG;
- nfp_flower_lag_init(&app_priv->nfp_lag);
- } else if (err == -ENOENT) {
- nfp_warn(app->cpp, "LAG not supported by FW.\n");
- } else {
- goto err_cleanup_metadata;
- }
+ err = nfp_flower_sync_feature_bits(app);
+ if (err)
+ goto err_cleanup;
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MOD) {
- /* Tell the firmware that the driver supports flow merging. */
- err = nfp_rtsym_write_le(app->pf->rtbl,
- "_abi_flower_merge_hint_enable", 1);
- if (!err) {
- app_priv->flower_ext_feats |= NFP_FL_FEATS_FLOW_MERGE;
- nfp_flower_internal_port_init(app_priv);
- } else if (err == -ENOENT) {
- nfp_warn(app->cpp, "Flow merge not supported by FW.\n");
- } else {
- goto err_lag_clean;
- }
- } else {
- nfp_warn(app->cpp, "Flow mod/merge not supported by FW.\n");
- }
+ err = flow_indr_dev_register(nfp_flower_indr_setup_tc_cb, app);
+ if (err)
+ goto err_cleanup;
if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)
nfp_flower_qos_init(app);
@@ -792,10 +843,9 @@ static int nfp_flower_init(struct nfp_app *app)
return 0;
-err_lag_clean:
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
+err_cleanup:
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG)
nfp_flower_lag_cleanup(&app_priv->nfp_lag);
-err_cleanup_metadata:
nfp_flower_metadata_cleanup(app);
err_free_app_priv:
vfree(app->priv);
@@ -810,13 +860,16 @@ static void nfp_flower_clean(struct nfp_app *app)
skb_queue_purge(&app_priv->cmsg_skbs_low);
flush_work(&app_priv->cmsg_work);
+ flow_indr_dev_unregister(nfp_flower_indr_setup_tc_cb, app,
+ nfp_flower_setup_indr_block_cb);
+
if (app_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)
nfp_flower_qos_cleanup(app);
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG)
nfp_flower_lag_cleanup(&app_priv->nfp_lag);
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE)
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE)
nfp_flower_internal_port_cleanup(app_priv);
nfp_flower_metadata_cleanup(app);
@@ -886,7 +939,7 @@ static int nfp_flower_start(struct nfp_app *app)
struct nfp_flower_priv *app_priv = app->priv;
int err;
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) {
err = nfp_flower_lag_reset(&app_priv->nfp_lag);
if (err)
return err;
@@ -907,16 +960,12 @@ nfp_flower_netdev_event(struct nfp_app *app, struct net_device *netdev,
struct nfp_flower_priv *app_priv = app->priv;
int ret;
- if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG) {
+ if (app_priv->flower_en_feats & NFP_FL_ENABLE_LAG) {
ret = nfp_flower_lag_netdev_event(app_priv, netdev, event, ptr);
if (ret & NOTIFY_STOP_MASK)
return ret;
}
- ret = nfp_flower_reg_indir_block_handler(app, netdev, event);
- if (ret & NOTIFY_STOP_MASK)
- return ret;
-
ret = nfp_flower_internal_port_event_handler(app, netdev, event);
if (ret & NOTIFY_STOP_MASK)
return ret;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
index d55d0d33bc45..6c3dc3baf387 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/main.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
@@ -44,8 +44,20 @@ struct nfp_app;
#define NFP_FL_FEATS_FLOW_MOD BIT(5)
#define NFP_FL_FEATS_PRE_TUN_RULES BIT(6)
#define NFP_FL_FEATS_IPV6_TUN BIT(7)
-#define NFP_FL_FEATS_FLOW_MERGE BIT(30)
-#define NFP_FL_FEATS_LAG BIT(31)
+#define NFP_FL_FEATS_HOST_ACK BIT(31)
+
+#define NFP_FL_ENABLE_FLOW_MERGE BIT(0)
+#define NFP_FL_ENABLE_LAG BIT(1)
+
+#define NFP_FL_FEATS_HOST \
+ (NFP_FL_FEATS_GENEVE | \
+ NFP_FL_NBI_MTU_SETTING | \
+ NFP_FL_FEATS_GENEVE_OPT | \
+ NFP_FL_FEATS_VLAN_PCP | \
+ NFP_FL_FEATS_VF_RLIM | \
+ NFP_FL_FEATS_FLOW_MOD | \
+ NFP_FL_FEATS_PRE_TUN_RULES | \
+ NFP_FL_FEATS_IPV6_TUN)
struct nfp_fl_mask_id {
struct circ_buf mask_id_free_list;
@@ -145,6 +157,7 @@ struct nfp_fl_internal_ports {
* @mask_id_seed: Seed used for mask hash table
* @flower_version: HW version of flower
* @flower_ext_feats: Bitmap of extra features the HW supports
+ * @flower_en_feats: Bitmap of features enabled by HW
* @stats_ids: List of free stats ids
* @mask_ids: List of free mask ids
* @mask_table: Hash table used to store masks
@@ -180,6 +193,7 @@ struct nfp_flower_priv {
u32 mask_id_seed;
u64 flower_version;
u64 flower_ext_feats;
+ u8 flower_en_feats;
struct nfp_fl_stats_id stats_ids;
struct nfp_fl_mask_id mask_ids;
DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS);
@@ -346,7 +360,7 @@ nfp_flower_internal_port_can_offload(struct nfp_app *app,
{
struct nfp_flower_priv *app_priv = app->priv;
- if (!(app_priv->flower_ext_feats & NFP_FL_FEATS_FLOW_MERGE))
+ if (!(app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE))
return false;
if (!netdev->rtnl_link_ops)
return false;
@@ -444,9 +458,10 @@ void nfp_flower_qos_cleanup(struct nfp_app *app);
int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev,
struct tc_cls_matchall_offload *flow);
void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb);
-int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
- struct net_device *netdev,
- unsigned long event);
+int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
+ enum tc_setup_type type, void *type_data);
+int nfp_flower_setup_indr_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv);
void
__nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv);
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 546bc01d507d..f7f01e2e3dce 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -74,9 +74,10 @@ nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
return 0;
}
-static void
+static int
nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
- struct nfp_flower_mac_mpls *msk, struct flow_rule *rule)
+ struct nfp_flower_mac_mpls *msk, struct flow_rule *rule,
+ struct netlink_ext_ack *extack)
{
memset(ext, 0, sizeof(struct nfp_flower_mac_mpls));
memset(msk, 0, sizeof(struct nfp_flower_mac_mpls));
@@ -97,14 +98,28 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
u32 t_mpls;
flow_rule_match_mpls(rule, &match);
- t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, match.key->mpls_label) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, match.key->mpls_tc) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, match.key->mpls_bos) |
+
+ /* Only support matching the first LSE */
+ if (match.mask->used_lses != 1) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "unsupported offload: invalid LSE depth for MPLS match offload");
+ return -EOPNOTSUPP;
+ }
+
+ t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
+ match.key->ls[0].mpls_label) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
+ match.key->ls[0].mpls_tc) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
+ match.key->ls[0].mpls_bos) |
NFP_FLOWER_MASK_MPLS_Q;
ext->mpls_lse = cpu_to_be32(t_mpls);
- t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, match.mask->mpls_label) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, match.mask->mpls_tc) |
- FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, match.mask->mpls_bos) |
+ t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB,
+ match.mask->ls[0].mpls_label) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC,
+ match.mask->ls[0].mpls_tc) |
+ FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS,
+ match.mask->ls[0].mpls_bos) |
NFP_FLOWER_MASK_MPLS_Q;
msk->mpls_lse = cpu_to_be32(t_mpls);
} else if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
@@ -121,6 +136,8 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
msk->mpls_lse = cpu_to_be32(NFP_FLOWER_MASK_MPLS_Q);
}
}
+
+ return 0;
}
static void
@@ -461,9 +478,12 @@ int nfp_flower_compile_flow_match(struct nfp_app *app,
msk += sizeof(struct nfp_flower_in_port);
if (NFP_FLOWER_LAYER_MAC & key_ls->key_layer) {
- nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)ext,
- (struct nfp_flower_mac_mpls *)msk,
- rule);
+ err = nfp_flower_compile_mac((struct nfp_flower_mac_mpls *)ext,
+ (struct nfp_flower_mac_mpls *)msk,
+ rule, extack);
+ if (err)
+ return err;
+
ext += sizeof(struct nfp_flower_mac_mpls);
msk += sizeof(struct nfp_flower_mac_mpls);
}
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index c694dbc239d0..695d24b9dd92 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -1440,7 +1440,8 @@ __nfp_flower_update_merge_stats(struct nfp_app *app,
ctx_id = be32_to_cpu(sub_flow->meta.host_ctx_id);
priv->stats[ctx_id].pkts += pkts;
priv->stats[ctx_id].bytes += bytes;
- max_t(u64, priv->stats[ctx_id].used, used);
+ priv->stats[ctx_id].used = max_t(u64, used,
+ priv->stats[ctx_id].used);
}
}
@@ -1618,8 +1619,8 @@ nfp_flower_indr_block_cb_priv_lookup(struct nfp_app *app,
return NULL;
}
-static int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
- void *type_data, void *cb_priv)
+int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
+ void *type_data, void *cb_priv)
{
struct nfp_flower_indr_block_cb_priv *priv = cb_priv;
struct flow_cls_offload *flower = type_data;
@@ -1707,10 +1708,13 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
return 0;
}
-static int
+int
nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
enum tc_setup_type type, void *type_data)
{
+ if (!nfp_fl_is_netdev_to_offload(netdev))
+ return -EOPNOTSUPP;
+
switch (type) {
case TC_SETUP_BLOCK:
return nfp_flower_setup_indr_tc_block(netdev, cb_priv,
@@ -1719,29 +1723,3 @@ nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
return -EOPNOTSUPP;
}
}
-
-int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
- struct net_device *netdev,
- unsigned long event)
-{
- int err;
-
- if (!nfp_fl_is_netdev_to_offload(netdev))
- return NOTIFY_OK;
-
- if (event == NETDEV_REGISTER) {
- err = __flow_indr_block_cb_register(netdev, app,
- nfp_flower_indr_setup_tc_cb,
- app);
- if (err)
- nfp_flower_cmsg_warn(app,
- "Indirect block reg failed - %s\n",
- netdev->name);
- } else if (event == NETDEV_UNREGISTER) {
- __flow_indr_block_cb_unregister(netdev,
- nfp_flower_indr_setup_tc_cb,
- app);
- }
-
- return NOTIFY_OK;
-}
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index 4d282fc56009..7ff2ccbd43b0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -14,7 +14,6 @@
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/firmware.h>
-#include <linux/vermagic.h>
#include <linux/vmalloc.h>
#include <net/devlink.h>
@@ -31,7 +30,6 @@
#include "nfp_net.h"
static const char nfp_driver_name[] = "nfp";
-const char nfp_driver_version[] = VERMAGIC_STRING;
static const struct pci_device_id nfp_pci_device_ids[] = {
{ PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NETRONOME_NFP6000,
@@ -920,4 +918,3 @@ MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_1x10_1x25.nffw");
MODULE_AUTHOR("Netronome Systems <oss-drivers@netronome.com>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("The Netronome Flow Processor (NFP) driver.");
-MODULE_VERSION(UTS_RELEASE);
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 9bfb3b077bc1..0e0cc3d58bdc 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -1741,10 +1741,15 @@ nfp_net_tx_xdp_buf(struct nfp_net_dp *dp, struct nfp_net_rx_ring *rx_ring,
struct nfp_net_rx_buf *rxbuf, unsigned int dma_off,
unsigned int pkt_len, bool *completed)
{
+ unsigned int dma_map_sz = dp->fl_bufsz - NFP_NET_RX_BUF_NON_DATA;
struct nfp_net_tx_buf *txbuf;
struct nfp_net_tx_desc *txd;
int wr_idx;
+ /* Reject if xdp_adjust_tail grow packet beyond DMA area */
+ if (pkt_len + dma_off > dma_map_sz)
+ return false;
+
if (unlikely(nfp_net_tx_full(tx_ring, 1))) {
if (!*completed) {
nfp_net_xdp_complete(tx_ring);
@@ -1817,6 +1822,7 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
rcu_read_lock();
xdp_prog = READ_ONCE(dp->xdp_prog);
true_bufsz = xdp_prog ? PAGE_SIZE : dp->fl_bufsz;
+ xdp.frame_sz = PAGE_SIZE - NFP_NET_RX_BUF_HEADROOM;
xdp.rxq = &rx_ring->xdp_rxq;
tx_ring = r_vec->xdp_ring;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
index 2779f1526d1e..6eb9fb9a1814 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c
@@ -203,8 +203,6 @@ nfp_get_drvinfo(struct nfp_app *app, struct pci_dev *pdev,
char nsp_version[ETHTOOL_FWVERS_LEN] = {};
strlcpy(drvinfo->driver, pdev->driver->name, sizeof(drvinfo->driver));
- strlcpy(drvinfo->version, nfp_driver_version, sizeof(drvinfo->version));
-
nfp_net_get_nspinfo(app, nsp_version);
snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
"%s %s %s %s", vnic_version, nsp_version,
@@ -1440,8 +1438,7 @@ static int nfp_net_set_channels(struct net_device *netdev,
unsigned int total_rx, total_tx;
/* Reject unsupported */
- if (!channel->combined_count ||
- channel->other_count != NFP_NET_NON_Q_VECTORS ||
+ if (channel->other_count != NFP_NET_NON_Q_VECTORS ||
(channel->rx_count && channel->tx_count))
return -EINVAL;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index 79d72c88bbef..b3cabc274121 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -299,6 +299,20 @@ static void nfp_repr_clean(struct nfp_repr *repr)
nfp_port_free(repr->port);
}
+static struct lock_class_key nfp_repr_netdev_xmit_lock_key;
+
+static void nfp_repr_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &nfp_repr_netdev_xmit_lock_key);
+}
+
+static void nfp_repr_set_lockdep_class(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, nfp_repr_set_lockdep_class_one, NULL);
+}
+
int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
u32 cmsg_port_id, struct nfp_port *port,
struct net_device *pf_netdev)
@@ -308,6 +322,8 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
u32 repr_cap = nn->tlv_caps.repr_cap;
int err;
+ nfp_repr_set_lockdep_class(netdev);
+
repr->port = port;
repr->dst = metadata_dst_alloc(0, METADATA_HW_PORT_MUX, GFP_KERNEL);
if (!repr->dst)
diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c
index 2fdd0753b3af..d2708a57f2ff 100644
--- a/drivers/net/ethernet/ni/nixge.c
+++ b/drivers/net/ethernet/ni/nixge.c
@@ -502,7 +502,8 @@ static int nixge_check_tx_bd_space(struct nixge_priv *priv,
return 0;
}
-static int nixge_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t nixge_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
struct nixge_priv *priv = netdev_priv(ndev);
struct nixge_hw_dma_bd *cur_p;
diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
index d20cf03a3ea0..d3cbb4215f5c 100644
--- a/drivers/net/ethernet/nxp/lpc_eth.c
+++ b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -823,7 +823,8 @@ static int lpc_mii_init(struct netdata_local *pldat)
if (err)
goto err_out_unregister_bus;
- if (lpc_mii_probe(pldat->ndev) != 0)
+ err = lpc_mii_probe(pldat->ndev);
+ if (err)
goto err_out_unregister_bus;
return 0;
@@ -1029,7 +1030,8 @@ static int lpc_eth_close(struct net_device *ndev)
return 0;
}
-static int lpc_eth_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t lpc_eth_hard_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
struct netdata_local *pldat = netdev_priv(ndev);
u32 len, txidx;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
index 5f8fc58d42b3..11621ccc1faf 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_debugfs.c
@@ -170,8 +170,7 @@ void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq)
debugfs_create_x64("base_pa", 0400, cq_dentry, &cq->base_pa);
debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs);
debugfs_create_u32("desc_size", 0400, cq_dentry, &cq->desc_size);
- debugfs_create_u8("done_color", 0400, cq_dentry,
- (u8 *)&cq->done_color);
+ debugfs_create_bool("done_color", 0400, cq_dentry, &cq->done_color);
debugfs_create_file("tail", 0400, cq_dentry, cq, &cq_tail_fops);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index f4ae40ae1e53..d83eff0ae0ac 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -388,6 +388,19 @@ int ionic_set_vf_config(struct ionic *ionic, int vf, u8 attr, u8 *data)
}
/* LIF commands */
+void ionic_dev_cmd_queue_identify(struct ionic_dev *idev,
+ u16 lif_type, u8 qtype, u8 qver)
+{
+ union ionic_dev_cmd cmd = {
+ .q_identify.opcode = IONIC_CMD_Q_IDENTIFY,
+ .q_identify.lif_type = lif_type,
+ .q_identify.type = qtype,
+ .q_identify.ver = qver,
+ };
+
+ ionic_dev_cmd_go(idev, &cmd);
+}
+
void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver)
{
union ionic_dev_cmd cmd = {
@@ -431,6 +444,7 @@ void ionic_dev_cmd_adminq_init(struct ionic_dev *idev, struct ionic_qcq *qcq,
.q_init.opcode = IONIC_CMD_Q_INIT,
.q_init.lif_index = cpu_to_le16(lif_index),
.q_init.type = q->type,
+ .q_init.ver = qcq->q.lif->qtype_info[q->type].version,
.q_init.index = cpu_to_le32(q->index),
.q_init.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_ENA),
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 587398b01997..525434f10025 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -12,7 +12,8 @@
#define IONIC_MIN_MTU ETH_MIN_MTU
#define IONIC_MAX_MTU 9194
-#define IONIC_MAX_TXRX_DESC 16384
+#define IONIC_MAX_TX_DESC 8192
+#define IONIC_MAX_RX_DESC 16384
#define IONIC_MIN_TXRX_DESC 16
#define IONIC_DEF_TXRX_DESC 4096
#define IONIC_LIFS_MAX 1024
@@ -83,6 +84,8 @@ static_assert(sizeof(struct ionic_q_init_cmd) == 64);
static_assert(sizeof(struct ionic_q_init_comp) == 16);
static_assert(sizeof(struct ionic_q_control_cmd) == 64);
static_assert(sizeof(ionic_q_control_comp) == 16);
+static_assert(sizeof(struct ionic_q_identify_cmd) == 64);
+static_assert(sizeof(struct ionic_q_identify_comp) == 16);
static_assert(sizeof(struct ionic_rx_mode_set_cmd) == 64);
static_assert(sizeof(ionic_rx_mode_set_comp) == 16);
@@ -179,7 +182,7 @@ struct ionic_desc_info {
void *cb_arg;
};
-#define QUEUE_NAME_MAX_SZ 32
+#define IONIC_QUEUE_NAME_MAX_SZ 32
struct ionic_queue {
u64 dbell_count;
@@ -204,14 +207,14 @@ struct ionic_queue {
unsigned int desc_size;
unsigned int sg_desc_size;
unsigned int pid;
- char name[QUEUE_NAME_MAX_SZ];
+ char name[IONIC_QUEUE_NAME_MAX_SZ];
};
-#define INTR_INDEX_NOT_ASSIGNED -1
-#define INTR_NAME_MAX_SZ 32
+#define IONIC_INTR_INDEX_NOT_ASSIGNED -1
+#define IONIC_INTR_NAME_MAX_SZ 32
struct ionic_intr_info {
- char name[INTR_NAME_MAX_SZ];
+ char name[IONIC_INTR_NAME_MAX_SZ];
unsigned int index;
unsigned int vector;
u64 rearm_count;
@@ -283,6 +286,8 @@ void ionic_dev_cmd_port_fec(struct ionic_dev *idev, u8 fec_type);
void ionic_dev_cmd_port_pause(struct ionic_dev *idev, u8 pause_type);
int ionic_set_vf_config(struct ionic *ionic, int vf, u8 attr, u8 *data);
+void ionic_dev_cmd_queue_identify(struct ionic_dev *idev,
+ u16 lif_type, u8 qtype, u8 qver);
void ionic_dev_cmd_lif_identify(struct ionic_dev *idev, u8 type, u8 ver);
void ionic_dev_cmd_lif_init(struct ionic_dev *idev, u16 lif_index,
dma_addr_t addr);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
index 6996229facfd..f7e3ce3de04d 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_ethtool.c
@@ -12,10 +12,11 @@
#include "ionic_stats.h"
static const char ionic_priv_flags_strings[][ETH_GSTRING_LEN] = {
-#define PRIV_F_SW_DBG_STATS BIT(0)
+#define IONIC_PRIV_F_SW_DBG_STATS BIT(0)
"sw-dbg-stats",
};
-#define PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
+
+#define IONIC_PRIV_FLAGS_COUNT ARRAY_SIZE(ionic_priv_flags_strings)
static void ionic_get_stats_strings(struct ionic_lif *lif, u8 *buf)
{
@@ -58,7 +59,7 @@ static int ionic_get_sset_count(struct net_device *netdev, int sset)
count = ionic_get_stats_count(lif);
break;
case ETH_SS_PRIV_FLAGS:
- count = PRIV_FLAGS_COUNT;
+ count = IONIC_PRIV_FLAGS_COUNT;
break;
}
return count;
@@ -75,7 +76,7 @@ static void ionic_get_strings(struct net_device *netdev,
break;
case ETH_SS_PRIV_FLAGS:
memcpy(buf, ionic_priv_flags_strings,
- PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
+ IONIC_PRIV_FLAGS_COUNT * ETH_GSTRING_LEN);
break;
}
}
@@ -159,6 +160,8 @@ static int ionic_get_link_ksettings(struct net_device *netdev,
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseSR4_Full);
break;
+ case IONIC_XCVR_PID_QSFP_100G_CWDM4:
+ case IONIC_XCVR_PID_QSFP_100G_PSM4:
case IONIC_XCVR_PID_QSFP_100G_LR4:
ethtool_link_ksettings_add_link_mode(ks, supported,
100000baseLR4_ER4_Full);
@@ -178,6 +181,7 @@ static int ionic_get_link_ksettings(struct net_device *netdev,
break;
case IONIC_XCVR_PID_SFP_25GBASE_SR:
case IONIC_XCVR_PID_SFP_25GBASE_AOC:
+ case IONIC_XCVR_PID_SFP_25GBASE_ACC:
ethtool_link_ksettings_add_link_mode(ks, supported,
25000baseSR_Full);
break;
@@ -458,9 +462,9 @@ static void ionic_get_ringparam(struct net_device *netdev,
{
struct ionic_lif *lif = netdev_priv(netdev);
- ring->tx_max_pending = IONIC_MAX_TXRX_DESC;
+ ring->tx_max_pending = IONIC_MAX_TX_DESC;
ring->tx_pending = lif->ntxq_descs;
- ring->rx_max_pending = IONIC_MAX_TXRX_DESC;
+ ring->rx_max_pending = IONIC_MAX_RX_DESC;
ring->rx_pending = lif->nrxq_descs;
}
@@ -554,7 +558,7 @@ static u32 ionic_get_priv_flags(struct net_device *netdev)
u32 priv_flags = 0;
if (test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state))
- priv_flags |= PRIV_F_SW_DBG_STATS;
+ priv_flags |= IONIC_PRIV_F_SW_DBG_STATS;
return priv_flags;
}
@@ -564,7 +568,7 @@ static int ionic_set_priv_flags(struct net_device *netdev, u32 priv_flags)
struct ionic_lif *lif = netdev_priv(netdev);
clear_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state);
- if (priv_flags & PRIV_F_SW_DBG_STATS)
+ if (priv_flags & IONIC_PRIV_F_SW_DBG_STATS)
set_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state);
return 0;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_if.h b/drivers/net/ethernet/pensando/ionic/ionic_if.h
index ceeb7629e7a0..7e22ba4ed915 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_if.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_if.h
@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
-/* Copyright (c) 2017-2019 Pensando Systems, Inc. All rights reserved. */
+/* Copyright (c) 2017-2020 Pensando Systems, Inc. All rights reserved. */
#ifndef _IONIC_IF_H_
#define _IONIC_IF_H_
@@ -9,7 +9,7 @@
#define IONIC_IFNAMSIZ 16
/**
- * Commands
+ * enum ionic_cmd_opcode - Device commands
*/
enum ionic_cmd_opcode {
IONIC_CMD_NOP = 0,
@@ -40,6 +40,7 @@ enum ionic_cmd_opcode {
IONIC_CMD_RX_FILTER_DEL = 32,
/* Queue commands */
+ IONIC_CMD_Q_IDENTIFY = 39,
IONIC_CMD_Q_INIT = 40,
IONIC_CMD_Q_CONTROL = 41,
@@ -57,6 +58,7 @@ enum ionic_cmd_opcode {
IONIC_CMD_QOS_CLASS_IDENTIFY = 240,
IONIC_CMD_QOS_CLASS_INIT = 241,
IONIC_CMD_QOS_CLASS_RESET = 242,
+ IONIC_CMD_QOS_CLASS_UPDATE = 243,
/* Firmware commands */
IONIC_CMD_FW_DOWNLOAD = 254,
@@ -64,7 +66,7 @@ enum ionic_cmd_opcode {
};
/**
- * Command Return codes
+ * enum ionic_status_code - Device command return codes
*/
enum ionic_status_code {
IONIC_RC_SUCCESS = 0, /* Success */
@@ -97,6 +99,7 @@ enum ionic_notifyq_opcode {
IONIC_EVENT_RESET = 2,
IONIC_EVENT_HEARTBEAT = 3,
IONIC_EVENT_LOG = 4,
+ IONIC_EVENT_XCVR = 5,
};
/**
@@ -114,12 +117,11 @@ struct ionic_admin_cmd {
/**
* struct ionic_admin_comp - General admin command completion format
- * @status: The status of the command (enum status_code)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
- * @cmd_data: Command-specific bytes.
- * @color: Color bit. (Always 0 for commands issued to the
- * Device Cmd Registers.)
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
+ * @cmd_data: Command-specific bytes
+ * @color: Color bit (Always 0 for commands issued to the
+ * Device Cmd Registers)
*/
struct ionic_admin_comp {
u8 status;
@@ -146,7 +148,7 @@ struct ionic_nop_cmd {
/**
* struct ionic_nop_comp - NOP command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
*/
struct ionic_nop_comp {
u8 status;
@@ -156,7 +158,7 @@ struct ionic_nop_comp {
/**
* struct ionic_dev_init_cmd - Device init command
* @opcode: opcode
- * @type: device type
+ * @type: Device type
*/
struct ionic_dev_init_cmd {
u8 opcode;
@@ -166,7 +168,7 @@ struct ionic_dev_init_cmd {
/**
* struct init_comp - Device init command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
*/
struct ionic_dev_init_comp {
u8 status;
@@ -184,7 +186,7 @@ struct ionic_dev_reset_cmd {
/**
* struct reset_comp - Reset command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
*/
struct ionic_dev_reset_comp {
u8 status;
@@ -205,8 +207,8 @@ struct ionic_dev_identify_cmd {
};
/**
- * struct dev_identify_comp - Driver/device identify command completion
- * @status: The status of the command (enum status_code)
+ * struct ionic_dev_identify_comp - Driver/device identify command completion
+ * @status: Status of the command (enum ionic_status_code)
* @ver: Version of identify returned by device
*/
struct ionic_dev_identify_comp {
@@ -225,8 +227,8 @@ enum ionic_os_type {
};
/**
- * union drv_identity - driver identity information
- * @os_type: OS type (see enum os_type)
+ * union ionic_drv_identity - driver identity information
+ * @os_type: OS type (see enum ionic_os_type)
* @os_dist: OS distribution, numeric format
* @os_dist_str: OS distribution, string format
* @kernel_ver: Kernel version, numeric format
@@ -242,26 +244,26 @@ union ionic_drv_identity {
char kernel_ver_str[32];
char driver_ver_str[32];
};
- __le32 words[512];
+ __le32 words[478];
};
/**
- * union dev_identity - device identity information
+ * union ionic_dev_identity - device identity information
* @version: Version of device identify
* @type: Identify type (0 for now)
* @nports: Number of ports provisioned
* @nlifs: Number of LIFs provisioned
* @nintrs: Number of interrupts provisioned
* @ndbpgs_per_lif: Number of doorbell pages per LIF
- * @intr_coal_mult: Interrupt coalescing multiplication factor.
+ * @intr_coal_mult: Interrupt coalescing multiplication factor
* Scale user-supplied interrupt coalescing
* value in usecs to device units using:
* device units = usecs * mult / div
- * @intr_coal_div: Interrupt coalescing division factor.
+ * @intr_coal_div: Interrupt coalescing division factor
* Scale user-supplied interrupt coalescing
* value in usecs to device units using:
* device units = usecs * mult / div
- *
+ * @eq_count: Number of shared event queues
*/
union ionic_dev_identity {
struct {
@@ -275,8 +277,9 @@ union ionic_dev_identity {
__le32 ndbpgs_per_lif;
__le32 intr_coal_mult;
__le32 intr_coal_div;
+ __le32 eq_count;
};
- __le32 words[512];
+ __le32 words[478];
};
enum ionic_lif_type {
@@ -286,10 +289,10 @@ enum ionic_lif_type {
};
/**
- * struct ionic_lif_identify_cmd - lif identify command
+ * struct ionic_lif_identify_cmd - LIF identify command
* @opcode: opcode
- * @type: lif type (enum lif_type)
- * @ver: version of identify returned by device
+ * @type: LIF type (enum ionic_lif_type)
+ * @ver: Version of identify returned by device
*/
struct ionic_lif_identify_cmd {
u8 opcode;
@@ -299,9 +302,9 @@ struct ionic_lif_identify_cmd {
};
/**
- * struct ionic_lif_identify_comp - lif identify command completion
- * @status: status of the command (enum status_code)
- * @ver: version of identify returned by device
+ * struct ionic_lif_identify_comp - LIF identify command completion
+ * @status: Status of the command (enum ionic_status_code)
+ * @ver: Version of identify returned by device
*/
struct ionic_lif_identify_comp {
u8 status;
@@ -309,13 +312,24 @@ struct ionic_lif_identify_comp {
u8 rsvd2[14];
};
+/**
+ * enum ionic_lif_capability - LIF capabilities
+ * @IONIC_LIF_CAP_ETH: LIF supports Ethernet
+ * @IONIC_LIF_CAP_RDMA: LIF support RDMA
+ */
enum ionic_lif_capability {
IONIC_LIF_CAP_ETH = BIT(0),
IONIC_LIF_CAP_RDMA = BIT(1),
};
/**
- * Logical Queue Types
+ * enum ionic_logical_qtype - Logical Queue Types
+ * @IONIC_QTYPE_ADMINQ: Administrative Queue
+ * @IONIC_QTYPE_NOTIFYQ: Notify Queue
+ * @IONIC_QTYPE_RXQ: Receive Queue
+ * @IONIC_QTYPE_TXQ: Transmit Queue
+ * @IONIC_QTYPE_EQ: Event Queue
+ * @IONIC_QTYPE_MAX: Max queue type supported
*/
enum ionic_logical_qtype {
IONIC_QTYPE_ADMINQ = 0,
@@ -327,10 +341,10 @@ enum ionic_logical_qtype {
};
/**
- * struct ionic_lif_logical_qtype - Descriptor of logical to hardware queue type.
- * @qtype: Hardware Queue Type.
- * @qid_count: Number of Queue IDs of the logical type.
- * @qid_base: Minimum Queue ID of the logical type.
+ * struct ionic_lif_logical_qtype - Descriptor of logical to HW queue type
+ * @qtype: Hardware Queue Type
+ * @qid_count: Number of Queue IDs of the logical type
+ * @qid_base: Minimum Queue ID of the logical type
*/
struct ionic_lif_logical_qtype {
u8 qtype;
@@ -339,6 +353,12 @@ struct ionic_lif_logical_qtype {
__le32 qid_base;
};
+/**
+ * enum ionic_lif_state - LIF state
+ * @IONIC_LIF_DISABLE: LIF disabled
+ * @IONIC_LIF_ENABLE: LIF enabled
+ * @IONIC_LIF_HANG_RESET: LIF hung, being reset
+ */
enum ionic_lif_state {
IONIC_LIF_DISABLE = 0,
IONIC_LIF_ENABLE = 1,
@@ -346,13 +366,13 @@ enum ionic_lif_state {
};
/**
- * LIF configuration
- * @state: lif state (enum lif_state)
- * @name: lif name
- * @mtu: mtu
- * @mac: station mac address
- * @features: features (enum ionic_eth_hw_features)
- * @queue_count: queue counts per queue-type
+ * union ionic_lif_config - LIF configuration
+ * @state: LIF state (enum ionic_lif_state)
+ * @name: LIF name
+ * @mtu: MTU
+ * @mac: Station MAC address
+ * @features: Features (enum ionic_eth_hw_features)
+ * @queue_count: Queue counts per queue-type
*/
union ionic_lif_config {
struct {
@@ -369,37 +389,36 @@ union ionic_lif_config {
};
/**
- * struct ionic_lif_identity - lif identity information (type-specific)
+ * struct ionic_lif_identity - LIF identity information (type-specific)
*
- * @capabilities LIF capabilities
+ * @capabilities: LIF capabilities
*
- * Ethernet:
- * @version: Ethernet identify structure version.
- * @features: Ethernet features supported on this lif type.
- * @max_ucast_filters: Number of perfect unicast addresses supported.
- * @max_mcast_filters: Number of perfect multicast addresses supported.
- * @min_frame_size: Minimum size of frames to be sent
- * @max_frame_size: Maximim size of frames to be sent
- * @config: LIF config struct with features, mtu, mac, q counts
+ * @eth: Ethernet identify structure
+ * @version: Ethernet identify structure version
+ * @max_ucast_filters: Number of perfect unicast addresses supported
+ * @max_mcast_filters: Number of perfect multicast addresses supported
+ * @min_frame_size: Minimum size of frames to be sent
+ * @max_frame_size: Maximim size of frames to be sent
+ * @config: LIF config struct with features, mtu, mac, q counts
*
- * RDMA:
- * @version: RDMA version of opcodes and queue descriptors.
- * @qp_opcodes: Number of rdma queue pair opcodes supported.
- * @admin_opcodes: Number of rdma admin opcodes supported.
- * @npts_per_lif: Page table size per lif
- * @nmrs_per_lif: Number of memory regions per lif
- * @nahs_per_lif: Number of address handles per lif
- * @max_stride: Max work request stride.
- * @cl_stride: Cache line stride.
- * @pte_stride: Page table entry stride.
- * @rrq_stride: Remote RQ work request stride.
- * @rsq_stride: Remote SQ work request stride.
+ * @rdma: RDMA identify structure
+ * @version: RDMA version of opcodes and queue descriptors
+ * @qp_opcodes: Number of RDMA queue pair opcodes supported
+ * @admin_opcodes: Number of RDMA admin opcodes supported
+ * @npts_per_lif: Page table size per LIF
+ * @nmrs_per_lif: Number of memory regions per LIF
+ * @nahs_per_lif: Number of address handles per LIF
+ * @max_stride: Max work request stride
+ * @cl_stride: Cache line stride
+ * @pte_stride: Page table entry stride
+ * @rrq_stride: Remote RQ work request stride
+ * @rsq_stride: Remote SQ work request stride
* @dcqcn_profiles: Number of DCQCN profiles
- * @aq_qtype: RDMA Admin Qtype.
- * @sq_qtype: RDMA Send Qtype.
- * @rq_qtype: RDMA Receive Qtype.
- * @cq_qtype: RDMA Completion Qtype.
- * @eq_qtype: RDMA Event Qtype.
+ * @aq_qtype: RDMA Admin Qtype
+ * @sq_qtype: RDMA Send Qtype
+ * @rq_qtype: RDMA Receive Qtype
+ * @cq_qtype: RDMA Completion Qtype
+ * @eq_qtype: RDMA Event Qtype
*/
union ionic_lif_identity {
struct {
@@ -439,15 +458,15 @@ union ionic_lif_identity {
struct ionic_lif_logical_qtype eq_qtype;
} __packed rdma;
} __packed;
- __le32 words[512];
+ __le32 words[478];
};
/**
* struct ionic_lif_init_cmd - LIF init command
- * @opcode: opcode
- * @type: LIF type (enum lif_type)
+ * @opcode: Opcode
+ * @type: LIF type (enum ionic_lif_type)
* @index: LIF index
- * @info_pa: destination address for lif info (struct ionic_lif_info)
+ * @info_pa: Destination address for LIF info (struct ionic_lif_info)
*/
struct ionic_lif_init_cmd {
u8 opcode;
@@ -460,7 +479,8 @@ struct ionic_lif_init_cmd {
/**
* struct ionic_lif_init_comp - LIF init command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
+ * @hw_index: Hardware index of the initialized LIF
*/
struct ionic_lif_init_comp {
u8 status;
@@ -469,14 +489,74 @@ struct ionic_lif_init_comp {
u8 rsvd2[12];
};
+ /**
+ * struct ionic_q_identify_cmd - queue identify command
+ * @opcode: opcode
+ * @lif_type: LIF type (enum ionic_lif_type)
+ * @type: Logical queue type (enum ionic_logical_qtype)
+ * @ver: Highest queue type version that the driver supports
+ */
+struct ionic_q_identify_cmd {
+ u8 opcode;
+ u8 rsvd;
+ __le16 lif_type;
+ u8 type;
+ u8 ver;
+ u8 rsvd2[58];
+};
+
+/**
+ * struct ionic_q_identify_comp - queue identify command completion
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
+ * @ver: Queue type version that can be used with FW
+ */
+struct ionic_q_identify_comp {
+ u8 status;
+ u8 rsvd;
+ __le16 comp_index;
+ u8 ver;
+ u8 rsvd2[11];
+};
+
+/**
+ * union ionic_q_identity - queue identity information
+ * @version: Queue type version that can be used with FW
+ * @supported: Bitfield of queue versions, first bit = ver 0
+ * @features: Queue features
+ * @desc_sz: Descriptor size
+ * @comp_sz: Completion descriptor size
+ * @sg_desc_sz: Scatter/Gather descriptor size
+ * @max_sg_elems: Maximum number of Scatter/Gather elements
+ * @sg_desc_stride: Number of Scatter/Gather elements per descriptor
+ */
+union ionic_q_identity {
+ struct {
+ u8 version;
+ u8 supported;
+ u8 rsvd[6];
+#define IONIC_QIDENT_F_CQ 0x01 /* queue has completion ring */
+#define IONIC_QIDENT_F_SG 0x02 /* queue has scatter/gather ring */
+#define IONIC_QIDENT_F_EQ 0x04 /* queue can use event queue */
+#define IONIC_QIDENT_F_CMB 0x08 /* queue is in cmb bar */
+ __le64 features;
+ __le16 desc_sz;
+ __le16 comp_sz;
+ __le16 sg_desc_sz;
+ __le16 max_sg_elems;
+ __le16 sg_desc_stride;
+ };
+ __le32 words[478];
+};
+
/**
* struct ionic_q_init_cmd - Queue init command
* @opcode: opcode
* @type: Logical queue type
- * @ver: Queue version (defines opcode/descriptor scope)
+ * @ver: Queue type version
* @lif_index: LIF index
- * @index: (lif, qtype) relative admin queue index
- * @intr_index: Interrupt control register index
+ * @index: (LIF, qtype) relative admin queue index
+ * @intr_index: Interrupt control register index, or Event queue index
* @pid: Process ID
* @flags:
* IRQ: Interrupt requested on completion
@@ -494,12 +574,11 @@ struct ionic_lif_init_comp {
* descriptors. Values of ring_size <2 and >16 are
* reserved.
* EQ: Enable the Event Queue
- * @cos: Class of service for this queue.
+ * @cos: Class of service for this queue
* @ring_size: Queue ring size, encoded as a log2(size)
* @ring_base: Queue ring base address
* @cq_ring_base: Completion queue ring base address
* @sg_ring_base: Scatter/Gather ring base address
- * @eq_index: Event queue index
*/
struct ionic_q_init_cmd {
u8 opcode;
@@ -516,29 +595,27 @@ struct ionic_q_init_cmd {
#define IONIC_QINIT_F_ENA 0x02 /* Enable the queue */
#define IONIC_QINIT_F_SG 0x04 /* Enable scatter/gather on the queue */
#define IONIC_QINIT_F_EQ 0x08 /* Enable event queue */
-#define IONIC_QINIT_F_DEBUG 0x80 /* Enable queue debugging */
+#define IONIC_QINIT_F_CMB 0x10 /* Enable cmb-based queue */
+#define IONIC_QINIT_F_DEBUG 0x80 /* Enable queue debugging */
u8 cos;
u8 ring_size;
__le64 ring_base;
__le64 cq_ring_base;
__le64 sg_ring_base;
- __le32 eq_index;
- u8 rsvd2[16];
+ u8 rsvd2[20];
} __packed;
/**
* struct ionic_q_init_comp - Queue init command completion
- * @status: The status of the command (enum status_code)
- * @ver: Queue version (defines opcode/descriptor scope)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
* @hw_index: Hardware Queue ID
* @hw_type: Hardware Queue type
* @color: Color
*/
struct ionic_q_init_comp {
u8 status;
- u8 ver;
+ u8 rsvd;
__le16 comp_index;
__le32 hw_index;
u8 hw_type;
@@ -559,10 +636,9 @@ enum ionic_txq_desc_opcode {
/**
* struct ionic_txq_desc - Ethernet Tx queue descriptor format
- * @opcode: Tx operation, see TXQ_DESC_OPCODE_*:
+ * @cmd: Tx operation, see IONIC_TXQ_DESC_OPCODE_*:
*
* IONIC_TXQ_DESC_OPCODE_CSUM_NONE:
- *
* Non-offload send. No segmentation,
* fragmentation or checksum calc/insertion is
* performed by device; packet is prepared
@@ -570,7 +646,6 @@ enum ionic_txq_desc_opcode {
* no further manipulation from device.
*
* IONIC_TXQ_DESC_OPCODE_CSUM_PARTIAL:
- *
* Offload 16-bit L4 checksum
* calculation/insertion. The device will
* calculate the L4 checksum value and
@@ -579,14 +654,16 @@ enum ionic_txq_desc_opcode {
* is calculated starting at @csum_start bytes
* into the packet to the end of the packet.
* The checksum insertion position is given
- * in @csum_offset. This feature is only
- * applicable to protocols such as TCP, UDP
- * and ICMP where a standard (i.e. the
- * 'IP-style' checksum) one's complement
- * 16-bit checksum is used, using an IP
- * pseudo-header to seed the calculation.
- * Software will preload the L4 checksum
- * field with the IP pseudo-header checksum.
+ * in @csum_offset, which is the offset from
+ * @csum_start to the checksum field in the L4
+ * header. This feature is only applicable to
+ * protocols such as TCP, UDP and ICMP where a
+ * standard (i.e. the 'IP-style' checksum)
+ * one's complement 16-bit checksum is used,
+ * using an IP pseudo-header to seed the
+ * calculation. Software will preload the L4
+ * checksum field with the IP pseudo-header
+ * checksum.
*
* For tunnel encapsulation, @csum_start and
* @csum_offset refer to the inner L4
@@ -602,7 +679,6 @@ enum ionic_txq_desc_opcode {
* for more info).
*
* IONIC_TXQ_DESC_OPCODE_CSUM_HW:
- *
* Offload 16-bit checksum computation to hardware.
* If @csum_l3 is set then the packet's L3 checksum is
* updated. Similarly, if @csum_l4 is set the the L4
@@ -610,7 +686,6 @@ enum ionic_txq_desc_opcode {
* checksums are also updated.
*
* IONIC_TXQ_DESC_OPCODE_TSO:
- *
* Device preforms TCP segmentation offload
* (TSO). @hdr_len is the number of bytes
* to the end of TCP header (the offset to
@@ -637,40 +712,41 @@ enum ionic_txq_desc_opcode {
* clear CWR in remaining segments.
* @flags:
* vlan:
- * Insert an L2 VLAN header using @vlan_tci.
+ * Insert an L2 VLAN header using @vlan_tci
* encap:
- * Calculate encap header checksum.
+ * Calculate encap header checksum
* csum_l3:
- * Compute L3 header checksum.
+ * Compute L3 header checksum
* csum_l4:
- * Compute L4 header checksum.
+ * Compute L4 header checksum
* tso_sot:
* TSO start
* tso_eot:
* TSO end
* @num_sg_elems: Number of scatter-gather elements in SG
* descriptor
- * @addr: First data buffer's DMA address.
- * (Subsequent data buffers are on txq_sg_desc).
+ * @addr: First data buffer's DMA address
+ * (Subsequent data buffers are on txq_sg_desc)
* @len: First data buffer's length, in bytes
* @vlan_tci: VLAN tag to insert in the packet (if requested
* by @V-bit). Includes .1p and .1q tags
* @hdr_len: Length of packet headers, including
- * encapsulating outer header, if applicable.
- * Valid for opcodes TXQ_DESC_OPCODE_CALC_CSUM and
- * TXQ_DESC_OPCODE_TSO. Should be set to zero for
+ * encapsulating outer header, if applicable
+ * Valid for opcodes IONIC_TXQ_DESC_OPCODE_CALC_CSUM and
+ * IONIC_TXQ_DESC_OPCODE_TSO. Should be set to zero for
* all other modes. For
- * TXQ_DESC_OPCODE_CALC_CSUM, @hdr_len is length
+ * IONIC_TXQ_DESC_OPCODE_CALC_CSUM, @hdr_len is length
* of headers up to inner-most L4 header. For
- * TXQ_DESC_OPCODE_TSO, @hdr_len is up to
+ * IONIC_TXQ_DESC_OPCODE_TSO, @hdr_len is up to
* inner-most L4 payload, so inclusive of
* inner-most L4 header.
- * @mss: Desired MSS value for TSO. Only applicable for
- * TXQ_DESC_OPCODE_TSO.
- * @csum_start: Offset into inner-most L3 header of checksum
- * @csum_offset: Offset into inner-most L4 header of checksum
+ * @mss: Desired MSS value for TSO; only applicable for
+ * IONIC_TXQ_DESC_OPCODE_TSO
+ * @csum_start: Offset from packet to first byte checked in L4 checksum
+ * @csum_offset: Offset from csum_start to L4 checksum field
*/
-
+struct ionic_txq_desc {
+ __le64 cmd;
#define IONIC_TXQ_DESC_OPCODE_MASK 0xf
#define IONIC_TXQ_DESC_OPCODE_SHIFT 4
#define IONIC_TXQ_DESC_FLAGS_MASK 0xf
@@ -692,8 +768,6 @@ enum ionic_txq_desc_opcode {
#define IONIC_TXQ_DESC_FLAG_TSO_SOT 0x4
#define IONIC_TXQ_DESC_FLAG_TSO_EOT 0x8
-struct ionic_txq_desc {
- __le64 cmd;
__le16 len;
union {
__le16 vlan_tci;
@@ -733,28 +807,38 @@ static inline void decode_txq_desc_cmd(u64 cmd, u8 *opcode, u8 *flags,
*addr = (cmd >> IONIC_TXQ_DESC_ADDR_SHIFT) & IONIC_TXQ_DESC_ADDR_MASK;
};
-#define IONIC_TX_MAX_SG_ELEMS 8
-#define IONIC_RX_MAX_SG_ELEMS 8
-
/**
- * struct ionic_txq_sg_desc - Transmit scatter-gather (SG) list
+ * struct ionic_txq_sg_elem - Transmit scatter-gather (SG) descriptor element
* @addr: DMA address of SG element data buffer
* @len: Length of SG element data buffer, in bytes
*/
+struct ionic_txq_sg_elem {
+ __le64 addr;
+ __le16 len;
+ __le16 rsvd[3];
+};
+
+/**
+ * struct ionic_txq_sg_desc - Transmit scatter-gather (SG) list
+ * @elems: Scatter-gather elements
+ */
struct ionic_txq_sg_desc {
- struct ionic_txq_sg_elem {
- __le64 addr;
- __le16 len;
- __le16 rsvd[3];
- } elems[IONIC_TX_MAX_SG_ELEMS];
+#define IONIC_TX_MAX_SG_ELEMS 8
+#define IONIC_TX_SG_DESC_STRIDE 8
+ struct ionic_txq_sg_elem elems[IONIC_TX_MAX_SG_ELEMS];
+};
+
+struct ionic_txq_sg_desc_v1 {
+#define IONIC_TX_MAX_SG_ELEMS_V1 15
+#define IONIC_TX_SG_DESC_STRIDE_V1 16
+ struct ionic_txq_sg_elem elems[IONIC_TX_SG_DESC_STRIDE_V1];
};
/**
* struct ionic_txq_comp - Ethernet transmit queue completion descriptor
- * @status: The status of the command (enum status_code)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
- * @color: Color bit.
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
+ * @color: Color bit
*/
struct ionic_txq_comp {
u8 status;
@@ -771,16 +855,15 @@ enum ionic_rxq_desc_opcode {
/**
* struct ionic_rxq_desc - Ethernet Rx queue descriptor format
- * @opcode: Rx operation, see RXQ_DESC_OPCODE_*:
- *
- * RXQ_DESC_OPCODE_SIMPLE:
+ * @opcode: Rx operation, see IONIC_RXQ_DESC_OPCODE_*:
*
+ * IONIC_RXQ_DESC_OPCODE_SIMPLE:
* Receive full packet into data buffer
* starting at @addr. Results of
* receive, including actual bytes received,
* are recorded in Rx completion descriptor.
*
- * @len: Data buffer's length, in bytes.
+ * @len: Data buffer's length, in bytes
* @addr: Data buffer's DMA address
*/
struct ionic_rxq_desc {
@@ -791,26 +874,33 @@ struct ionic_rxq_desc {
};
/**
- * struct ionic_rxq_sg_desc - Receive scatter-gather (SG) list
+ * struct ionic_rxq_sg_elem - Receive scatter-gather (SG) descriptor element
* @addr: DMA address of SG element data buffer
* @len: Length of SG element data buffer, in bytes
*/
+struct ionic_rxq_sg_elem {
+ __le64 addr;
+ __le16 len;
+ __le16 rsvd[3];
+};
+
+/**
+ * struct ionic_rxq_sg_desc - Receive scatter-gather (SG) list
+ * @elems: Scatter-gather elements
+ */
struct ionic_rxq_sg_desc {
- struct ionic_rxq_sg_elem {
- __le64 addr;
- __le16 len;
- __le16 rsvd[3];
- } elems[IONIC_RX_MAX_SG_ELEMS];
+#define IONIC_RX_MAX_SG_ELEMS 8
+#define IONIC_RX_SG_DESC_STRIDE 8
+ struct ionic_rxq_sg_elem elems[IONIC_RX_SG_DESC_STRIDE];
};
/**
* struct ionic_rxq_comp - Ethernet receive queue completion descriptor
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
* @num_sg_elems: Number of SG elements used by this descriptor
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
+ * @comp_index: Index in the descriptor ring for which this is the completion
* @rss_hash: 32-bit RSS hash
- * @csum: 16-bit sum of the packet's L2 payload.
+ * @csum: 16-bit sum of the packet's L2 payload
* If the packet's L2 payload is odd length, an extra
* zero-value byte is included in the @csum calculation but
* not included in @len.
@@ -818,33 +908,51 @@ struct ionic_rxq_sg_desc {
* set. Includes .1p and .1q tags.
* @len: Received packet length, in bytes. Excludes FCS.
* @csum_calc L2 payload checksum is computed or not
- * @csum_tcp_ok: The TCP checksum calculated by the device
- * matched the checksum in the receive packet's
- * TCP header
- * @csum_tcp_bad: The TCP checksum calculated by the device did
- * not match the checksum in the receive packet's
- * TCP header.
- * @csum_udp_ok: The UDP checksum calculated by the device
- * matched the checksum in the receive packet's
- * UDP header
- * @csum_udp_bad: The UDP checksum calculated by the device did
- * not match the checksum in the receive packet's
- * UDP header.
- * @csum_ip_ok: The IPv4 checksum calculated by the device
- * matched the checksum in the receive packet's
- * first IPv4 header. If the receive packet
- * contains both a tunnel IPv4 header and a
- * transport IPv4 header, the device validates the
- * checksum for the both IPv4 headers.
- * @csum_ip_bad: The IPv4 checksum calculated by the device did
- * not match the checksum in the receive packet's
- * first IPv4 header. If the receive packet
- * contains both a tunnel IPv4 header and a
- * transport IPv4 header, the device validates the
- * checksum for both IP headers.
- * @VLAN: VLAN header was stripped and placed in @vlan_tci.
- * @pkt_type: Packet type
- * @color: Color bit.
+ * @csum_flags: See IONIC_RXQ_COMP_CSUM_F_*:
+ *
+ * IONIC_RXQ_COMP_CSUM_F_TCP_OK:
+ * The TCP checksum calculated by the device
+ * matched the checksum in the receive packet's
+ * TCP header.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_TCP_BAD:
+ * The TCP checksum calculated by the device did
+ * not match the checksum in the receive packet's
+ * TCP header.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_UDP_OK:
+ * The UDP checksum calculated by the device
+ * matched the checksum in the receive packet's
+ * UDP header
+ *
+ * IONIC_RXQ_COMP_CSUM_F_UDP_BAD:
+ * The UDP checksum calculated by the device did
+ * not match the checksum in the receive packet's
+ * UDP header.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_IP_OK:
+ * The IPv4 checksum calculated by the device
+ * matched the checksum in the receive packet's
+ * first IPv4 header. If the receive packet
+ * contains both a tunnel IPv4 header and a
+ * transport IPv4 header, the device validates the
+ * checksum for the both IPv4 headers.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_IP_BAD:
+ * The IPv4 checksum calculated by the device did
+ * not match the checksum in the receive packet's
+ * first IPv4 header. If the receive packet
+ * contains both a tunnel IPv4 header and a
+ * transport IPv4 header, the device validates the
+ * checksum for both IP headers.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_VLAN:
+ * The VLAN header was stripped and placed in @vlan_tci.
+ *
+ * IONIC_RXQ_COMP_CSUM_F_CALC:
+ * The checksum was calculated by the device.
+ *
+ * @pkt_type_color: Packet type and color bit; see IONIC_RXQ_COMP_PKT_TYPE_MASK
*/
struct ionic_rxq_comp {
u8 status;
@@ -891,8 +999,8 @@ enum ionic_eth_hw_features {
IONIC_ETH_HW_TSO_ECN = BIT(10),
IONIC_ETH_HW_TSO_GRE = BIT(11),
IONIC_ETH_HW_TSO_GRE_CSUM = BIT(12),
- IONIC_ETH_HW_TSO_IPXIP4 = BIT(13),
- IONIC_ETH_HW_TSO_IPXIP6 = BIT(14),
+ IONIC_ETH_HW_TSO_IPXIP4 = BIT(13),
+ IONIC_ETH_HW_TSO_IPXIP6 = BIT(14),
IONIC_ETH_HW_TSO_UDP = BIT(15),
IONIC_ETH_HW_TSO_UDP_CSUM = BIT(16),
};
@@ -923,7 +1031,10 @@ enum q_control_oper {
};
/**
- * Physical connection type
+ * enum ionic_phy_type - Physical connection type
+ * @IONIC_PHY_TYPE_NONE: No PHY installed
+ * @IONIC_PHY_TYPE_COPPER: Copper PHY
+ * @IONIC_PHY_TYPE_FIBER: Fiber PHY
*/
enum ionic_phy_type {
IONIC_PHY_TYPE_NONE = 0,
@@ -932,18 +1043,23 @@ enum ionic_phy_type {
};
/**
- * Transceiver status
+ * enum ionic_xcvr_state - Transceiver status
+ * @IONIC_XCVR_STATE_REMOVED: Transceiver removed
+ * @IONIC_XCVR_STATE_INSERTED: Transceiver inserted
+ * @IONIC_XCVR_STATE_PENDING: Transceiver pending
+ * @IONIC_XCVR_STATE_SPROM_READ: Transceiver data read
+ * @IONIC_XCVR_STATE_SPROM_READ_ERR: Transceiver data read error
*/
enum ionic_xcvr_state {
IONIC_XCVR_STATE_REMOVED = 0,
IONIC_XCVR_STATE_INSERTED = 1,
IONIC_XCVR_STATE_PENDING = 2,
IONIC_XCVR_STATE_SPROM_READ = 3,
- IONIC_XCVR_STATE_SPROM_READ_ERR = 4,
+ IONIC_XCVR_STATE_SPROM_READ_ERR = 4,
};
/**
- * Supported link modes
+ * enum ionic_xcvr_pid - Supported link modes
*/
enum ionic_xcvr_pid {
IONIC_XCVR_PID_UNKNOWN = 0,
@@ -977,64 +1093,83 @@ enum ionic_xcvr_pid {
IONIC_XCVR_PID_SFP_10GBASE_CU = 68,
IONIC_XCVR_PID_QSFP_100G_CWDM4 = 69,
IONIC_XCVR_PID_QSFP_100G_PSM4 = 70,
+ IONIC_XCVR_PID_SFP_25GBASE_ACC = 71,
};
/**
- * Port types
+ * enum ionic_port_type - Port types
+ * @IONIC_PORT_TYPE_NONE: Port type not configured
+ * @IONIC_PORT_TYPE_ETH: Port carries ethernet traffic (inband)
+ * @IONIC_PORT_TYPE_MGMT: Port carries mgmt traffic (out-of-band)
*/
enum ionic_port_type {
- IONIC_PORT_TYPE_NONE = 0, /* port type not configured */
- IONIC_PORT_TYPE_ETH = 1, /* port carries ethernet traffic (inband) */
- IONIC_PORT_TYPE_MGMT = 2, /* port carries mgmt traffic (out-of-band) */
+ IONIC_PORT_TYPE_NONE = 0,
+ IONIC_PORT_TYPE_ETH = 1,
+ IONIC_PORT_TYPE_MGMT = 2,
};
/**
- * Port config state
+ * enum ionic_port_admin_state - Port config state
+ * @IONIC_PORT_ADMIN_STATE_NONE: Port admin state not configured
+ * @IONIC_PORT_ADMIN_STATE_DOWN: Port admin disabled
+ * @IONIC_PORT_ADMIN_STATE_UP: Port admin enabled
*/
enum ionic_port_admin_state {
- IONIC_PORT_ADMIN_STATE_NONE = 0, /* port admin state not configured */
- IONIC_PORT_ADMIN_STATE_DOWN = 1, /* port is admin disabled */
- IONIC_PORT_ADMIN_STATE_UP = 2, /* port is admin enabled */
+ IONIC_PORT_ADMIN_STATE_NONE = 0,
+ IONIC_PORT_ADMIN_STATE_DOWN = 1,
+ IONIC_PORT_ADMIN_STATE_UP = 2,
};
/**
- * Port operational status
+ * enum ionic_port_oper_status - Port operational status
+ * @IONIC_PORT_OPER_STATUS_NONE: Port disabled
+ * @IONIC_PORT_OPER_STATUS_UP: Port link status up
+ * @IONIC_PORT_OPER_STATUS_DOWN: Port link status down
*/
enum ionic_port_oper_status {
- IONIC_PORT_OPER_STATUS_NONE = 0, /* port is disabled */
- IONIC_PORT_OPER_STATUS_UP = 1, /* port is linked up */
- IONIC_PORT_OPER_STATUS_DOWN = 2, /* port link status is down */
+ IONIC_PORT_OPER_STATUS_NONE = 0,
+ IONIC_PORT_OPER_STATUS_UP = 1,
+ IONIC_PORT_OPER_STATUS_DOWN = 2,
};
/**
- * Ethernet Forward error correction (fec) modes
+ * enum ionic_port_fec_type - Ethernet Forward error correction (FEC) modes
+ * @IONIC_PORT_FEC_TYPE_NONE: FEC Disabled
+ * @IONIC_PORT_FEC_TYPE_FC: FireCode FEC
+ * @IONIC_PORT_FEC_TYPE_RS: ReedSolomon FEC
*/
enum ionic_port_fec_type {
- IONIC_PORT_FEC_TYPE_NONE = 0, /* Disabled */
- IONIC_PORT_FEC_TYPE_FC = 1, /* FireCode */
- IONIC_PORT_FEC_TYPE_RS = 2, /* ReedSolomon */
+ IONIC_PORT_FEC_TYPE_NONE = 0,
+ IONIC_PORT_FEC_TYPE_FC = 1,
+ IONIC_PORT_FEC_TYPE_RS = 2,
};
/**
- * Ethernet pause (flow control) modes
+ * enum ionic_port_pause_type - Ethernet pause (flow control) modes
+ * @IONIC_PORT_PAUSE_TYPE_NONE: Disable Pause
+ * @IONIC_PORT_PAUSE_TYPE_LINK: Link level pause
+ * @IONIC_PORT_PAUSE_TYPE_PFC: Priority-Flow Control
*/
enum ionic_port_pause_type {
- IONIC_PORT_PAUSE_TYPE_NONE = 0, /* Disable Pause */
- IONIC_PORT_PAUSE_TYPE_LINK = 1, /* Link level pause */
- IONIC_PORT_PAUSE_TYPE_PFC = 2, /* Priority-Flow control */
+ IONIC_PORT_PAUSE_TYPE_NONE = 0,
+ IONIC_PORT_PAUSE_TYPE_LINK = 1,
+ IONIC_PORT_PAUSE_TYPE_PFC = 2,
};
/**
- * Loopback modes
+ * enum ionic_port_loopback_mode - Loopback modes
+ * @IONIC_PORT_LOOPBACK_MODE_NONE: Disable loopback
+ * @IONIC_PORT_LOOPBACK_MODE_MAC: MAC loopback
+ * @IONIC_PORT_LOOPBACK_MODE_PHY: PHY/SerDes loopback
*/
enum ionic_port_loopback_mode {
- IONIC_PORT_LOOPBACK_MODE_NONE = 0, /* Disable loopback */
- IONIC_PORT_LOOPBACK_MODE_MAC = 1, /* MAC loopback */
- IONIC_PORT_LOOPBACK_MODE_PHY = 2, /* PHY/Serdes loopback */
+ IONIC_PORT_LOOPBACK_MODE_NONE = 0,
+ IONIC_PORT_LOOPBACK_MODE_MAC = 1,
+ IONIC_PORT_LOOPBACK_MODE_PHY = 2,
};
/**
- * Transceiver Status information
+ * struct ionic_xcvr_status - Transceiver Status information
* @state: Transceiver status (enum ionic_xcvr_state)
* @phy: Physical connection type (enum ionic_phy_type)
* @pid: Transceiver link mode (enum pid)
@@ -1048,7 +1183,7 @@ struct ionic_xcvr_status {
};
/**
- * Port configuration
+ * union ionic_port_config - Port configuration
* @speed: port speed (in Mbps)
* @mtu: mtu
* @state: port admin state (enum port_admin_state)
@@ -1081,17 +1216,21 @@ union ionic_port_config {
};
/**
- * Port Status information
+ * struct ionic_port_status - Port Status information
* @status: link status (enum ionic_port_oper_status)
* @id: port id
* @speed: link speed (in Mbps)
+ * @link_down_count: number of times link went from from up to down
+ * @fec_type: fec type (enum ionic_port_fec_type)
* @xcvr: tranceiver status
*/
struct ionic_port_status {
__le32 id;
__le32 speed;
u8 status;
- u8 rsvd[51];
+ __le16 link_down_count;
+ u8 fec_type;
+ u8 rsvd[48];
struct ionic_xcvr_status xcvr;
} __packed;
@@ -1110,7 +1249,7 @@ struct ionic_port_identify_cmd {
/**
* struct ionic_port_identify_comp - Port identify command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
* @ver: Version of identify returned by device
*/
struct ionic_port_identify_comp {
@@ -1135,7 +1274,7 @@ struct ionic_port_init_cmd {
/**
* struct ionic_port_init_comp - Port initialization command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
*/
struct ionic_port_init_comp {
u8 status;
@@ -1155,7 +1294,7 @@ struct ionic_port_reset_cmd {
/**
* struct ionic_port_reset_comp - Port reset command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
*/
struct ionic_port_reset_comp {
u8 status;
@@ -1163,15 +1302,23 @@ struct ionic_port_reset_comp {
};
/**
- * enum stats_ctl_cmd - List of commands for stats control
+ * enum ionic_stats_ctl_cmd - List of commands for stats control
+ * @IONIC_STATS_CTL_RESET: Reset statistics
*/
enum ionic_stats_ctl_cmd {
IONIC_STATS_CTL_RESET = 0,
};
-
/**
* enum ionic_port_attr - List of device attributes
+ * @IONIC_PORT_ATTR_STATE: Port state attribute
+ * @IONIC_PORT_ATTR_SPEED: Port speed attribute
+ * @IONIC_PORT_ATTR_MTU: Port MTU attribute
+ * @IONIC_PORT_ATTR_AUTONEG: Port autonegotation attribute
+ * @IONIC_PORT_ATTR_FEC: Port FEC attribute
+ * @IONIC_PORT_ATTR_PAUSE: Port pause attribute
+ * @IONIC_PORT_ATTR_LOOPBACK: Port loopback attribute
+ * @IONIC_PORT_ATTR_STATS_CTRL: Port statistics control attribute
*/
enum ionic_port_attr {
IONIC_PORT_ATTR_STATE = 0,
@@ -1186,9 +1333,17 @@ enum ionic_port_attr {
/**
* struct ionic_port_setattr_cmd - Set port attributes on the NIC
- * @opcode: Opcode
- * @index: port index
- * @attr: Attribute type (enum ionic_port_attr)
+ * @opcode: Opcode
+ * @index: Port index
+ * @attr: Attribute type (enum ionic_port_attr)
+ * @state: Port state
+ * @speed: Port speed
+ * @mtu: Port MTU
+ * @an_enable: Port autonegotiation setting
+ * @fec_type: Port FEC type setting
+ * @pause_type: Port pause type setting
+ * @loopback_mode: Port loopback mode
+ * @stats_ctl: Port stats setting
*/
struct ionic_port_setattr_cmd {
u8 opcode;
@@ -1203,14 +1358,14 @@ struct ionic_port_setattr_cmd {
u8 fec_type;
u8 pause_type;
u8 loopback_mode;
- u8 stats_ctl;
+ u8 stats_ctl;
u8 rsvd2[60];
};
};
/**
* struct ionic_port_setattr_comp - Port set attr command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
* @color: Color bit
*/
struct ionic_port_setattr_comp {
@@ -1234,8 +1389,15 @@ struct ionic_port_getattr_cmd {
/**
* struct ionic_port_getattr_comp - Port get attr command completion
- * @status: The status of the command (enum status_code)
- * @color: Color bit
+ * @status: Status of the command (enum ionic_status_code)
+ * @state: Port state
+ * @speed: Port speed
+ * @mtu: Port MTU
+ * @an_enable: Port autonegotiation setting
+ * @fec_type: Port FEC type setting
+ * @pause_type: Port pause type setting
+ * @loopback_mode: Port loopback mode
+ * @color: Color bit
*/
struct ionic_port_getattr_comp {
u8 status;
@@ -1254,12 +1416,12 @@ struct ionic_port_getattr_comp {
};
/**
- * struct ionic_lif_status - Lif status register
+ * struct ionic_lif_status - LIF status register
* @eid: most recent NotifyQ event id
- * @port_num: port the lif is connected to
+ * @port_num: port the LIF is connected to
* @link_status: port status (enum ionic_port_oper_status)
* @link_speed: speed of link in Mbps
- * @link_down_count: number of times link status changes
+ * @link_down_count: number of times link went from up to down
*/
struct ionic_lif_status {
__le64 eid;
@@ -1293,6 +1455,9 @@ enum ionic_dev_state {
/**
* enum ionic_dev_attr - List of device attributes
+ * @IONIC_DEV_ATTR_STATE: Device state attribute
+ * @IONIC_DEV_ATTR_NAME: Device name attribute
+ * @IONIC_DEV_ATTR_FEATURES: Device feature attributes
*/
enum ionic_dev_attr {
IONIC_DEV_ATTR_STATE = 0,
@@ -1322,7 +1487,7 @@ struct ionic_dev_setattr_cmd {
/**
* struct ionic_dev_setattr_comp - Device set attr command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
* @features: Device features
* @color: Color bit
*/
@@ -1349,7 +1514,7 @@ struct ionic_dev_getattr_cmd {
/**
* struct ionic_dev_setattr_comp - Device set attr command completion
- * @status: The status of the command (enum status_code)
+ * @status: Status of the command (enum ionic_status_code)
* @features: Device features
* @color: Color bit
*/
@@ -1379,6 +1544,13 @@ enum ionic_rss_hash_types {
/**
* enum ionic_lif_attr - List of LIF attributes
+ * @IONIC_LIF_ATTR_STATE: LIF state attribute
+ * @IONIC_LIF_ATTR_NAME: LIF name attribute
+ * @IONIC_LIF_ATTR_MTU: LIF MTU attribute
+ * @IONIC_LIF_ATTR_MAC: LIF MAC attribute
+ * @IONIC_LIF_ATTR_FEATURES: LIF features attribute
+ * @IONIC_LIF_ATTR_RSS: LIF RSS attribute
+ * @IONIC_LIF_ATTR_STATS_CTRL: LIF statistics control attribute
*/
enum ionic_lif_attr {
IONIC_LIF_ATTR_STATE = 0,
@@ -1393,18 +1565,18 @@ enum ionic_lif_attr {
/**
* struct ionic_lif_setattr_cmd - Set LIF attributes on the NIC
* @opcode: Opcode
- * @type: Attribute type (enum ionic_lif_attr)
+ * @attr: Attribute type (enum ionic_lif_attr)
* @index: LIF index
- * @state: lif state (enum lif_state)
+ * @state: LIF state (enum ionic_lif_state)
* @name: The netdev name string, 0 terminated
* @mtu: Mtu
* @mac: Station mac
* @features: Features (enum ionic_eth_hw_features)
* @rss: RSS properties
- * @types: The hash types to enable (see rss_hash_types).
- * @key: The hash secret key.
- * @addr: Address for the indirection table shared memory.
- * @stats_ctl: stats control commands (enum stats_ctl_cmd)
+ * @types: The hash types to enable (see rss_hash_types)
+ * @key: The hash secret key
+ * @addr: Address for the indirection table shared memory
+ * @stats_ctl: stats control commands (enum ionic_stats_ctl_cmd)
*/
struct ionic_lif_setattr_cmd {
u8 opcode;
@@ -1422,16 +1594,15 @@ struct ionic_lif_setattr_cmd {
u8 rsvd[6];
__le64 addr;
} rss;
- u8 stats_ctl;
+ u8 stats_ctl;
u8 rsvd[60];
} __packed;
};
/**
* struct ionic_lif_setattr_comp - LIF set attr command completion
- * @status: The status of the command (enum status_code)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
* @features: features (enum ionic_eth_hw_features)
* @color: Color bit
*/
@@ -1461,10 +1632,9 @@ struct ionic_lif_getattr_cmd {
/**
* struct ionic_lif_getattr_comp - LIF get attr command completion
- * @status: The status of the command (enum status_code)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
- * @state: lif state (enum lif_state)
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
+ * @state: LIF state (enum ionic_lif_state)
* @name: The netdev name string, 0 terminated
* @mtu: Mtu
* @mac: Station mac
@@ -1486,11 +1656,12 @@ struct ionic_lif_getattr_comp {
};
enum ionic_rx_mode {
- IONIC_RX_MODE_F_UNICAST = BIT(0),
- IONIC_RX_MODE_F_MULTICAST = BIT(1),
- IONIC_RX_MODE_F_BROADCAST = BIT(2),
- IONIC_RX_MODE_F_PROMISC = BIT(3),
- IONIC_RX_MODE_F_ALLMULTI = BIT(4),
+ IONIC_RX_MODE_F_UNICAST = BIT(0),
+ IONIC_RX_MODE_F_MULTICAST = BIT(1),
+ IONIC_RX_MODE_F_BROADCAST = BIT(2),
+ IONIC_RX_MODE_F_PROMISC = BIT(3),
+ IONIC_RX_MODE_F_ALLMULTI = BIT(4),
+ IONIC_RX_MODE_F_RDMA_SNIFFER = BIT(5),
};
/**
@@ -1498,11 +1669,12 @@ enum ionic_rx_mode {
* @opcode: opcode
* @lif_index: LIF index
* @rx_mode: Rx mode flags:
- * IONIC_RX_MODE_F_UNICAST: Accept known unicast packets.
- * IONIC_RX_MODE_F_MULTICAST: Accept known multicast packets.
- * IONIC_RX_MODE_F_BROADCAST: Accept broadcast packets.
- * IONIC_RX_MODE_F_PROMISC: Accept any packets.
- * IONIC_RX_MODE_F_ALLMULTI: Accept any multicast packets.
+ * IONIC_RX_MODE_F_UNICAST: Accept known unicast packets
+ * IONIC_RX_MODE_F_MULTICAST: Accept known multicast packets
+ * IONIC_RX_MODE_F_BROADCAST: Accept broadcast packets
+ * IONIC_RX_MODE_F_PROMISC: Accept any packets
+ * IONIC_RX_MODE_F_ALLMULTI: Accept any multicast packets
+ * IONIC_RX_MODE_F_RDMA_SNIFFER: Sniff RDMA packets
*/
struct ionic_rx_mode_set_cmd {
u8 opcode;
@@ -1526,9 +1698,14 @@ enum ionic_rx_filter_match_type {
* @qtype: Queue type
* @lif_index: LIF index
* @qid: Queue ID
- * @match: Rx filter match type. (See IONIC_RX_FILTER_MATCH_xxx)
- * @vlan: VLAN ID
- * @addr: MAC address (network-byte order)
+ * @match: Rx filter match type (see IONIC_RX_FILTER_MATCH_xxx)
+ * @vlan: VLAN filter
+ * @vlan: VLAN ID
+ * @mac: MAC filter
+ * @addr: MAC address (network-byte order)
+ * @mac_vlan: MACVLAN filter
+ * @vlan: VLAN ID
+ * @addr: MAC address (network-byte order)
*/
struct ionic_rx_filter_add_cmd {
u8 opcode;
@@ -1553,11 +1730,10 @@ struct ionic_rx_filter_add_cmd {
/**
* struct ionic_rx_filter_add_comp - Add LIF Rx filter command completion
- * @status: The status of the command (enum status_code)
- * @comp_index: The index in the descriptor ring for which this
- * is the completion.
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
* @filter_id: Filter ID
- * @color: Color bit.
+ * @color: Color bit
*/
struct ionic_rx_filter_add_comp {
u8 status;
@@ -1584,63 +1760,6 @@ struct ionic_rx_filter_del_cmd {
typedef struct ionic_admin_comp ionic_rx_filter_del_comp;
-/**
- * struct ionic_qos_identify_cmd - QoS identify command
- * @opcode: opcode
- * @ver: Highest version of identify supported by driver
- *
- */
-struct ionic_qos_identify_cmd {
- u8 opcode;
- u8 ver;
- u8 rsvd[62];
-};
-
-/**
- * struct ionic_qos_identify_comp - QoS identify command completion
- * @status: The status of the command (enum status_code)
- * @ver: Version of identify returned by device
- */
-struct ionic_qos_identify_comp {
- u8 status;
- u8 ver;
- u8 rsvd[14];
-};
-
-#define IONIC_QOS_CLASS_MAX 7
-#define IONIC_QOS_CLASS_NAME_SZ 32
-#define IONIC_QOS_DSCP_MAX_VALUES 64
-
-/**
- * enum ionic_qos_class
- */
-enum ionic_qos_class {
- IONIC_QOS_CLASS_DEFAULT = 0,
- IONIC_QOS_CLASS_USER_DEFINED_1 = 1,
- IONIC_QOS_CLASS_USER_DEFINED_2 = 2,
- IONIC_QOS_CLASS_USER_DEFINED_3 = 3,
- IONIC_QOS_CLASS_USER_DEFINED_4 = 4,
- IONIC_QOS_CLASS_USER_DEFINED_5 = 5,
- IONIC_QOS_CLASS_USER_DEFINED_6 = 6,
-};
-
-/**
- * enum ionic_qos_class_type - Traffic classification criteria
- */
-enum ionic_qos_class_type {
- IONIC_QOS_CLASS_TYPE_NONE = 0,
- IONIC_QOS_CLASS_TYPE_PCP = 1, /* Dot1Q pcp */
- IONIC_QOS_CLASS_TYPE_DSCP = 2, /* IP dscp */
-};
-
-/**
- * enum ionic_qos_sched_type - Qos class scheduling type
- */
-enum ionic_qos_sched_type {
- IONIC_QOS_SCHED_TYPE_STRICT = 0, /* Strict priority */
- IONIC_QOS_SCHED_TYPE_DWRR = 1, /* Deficit weighted round-robin */
-};
-
enum ionic_vf_attr {
IONIC_VF_ATTR_SPOOFCHK = 1,
IONIC_VF_ATTR_TRUST = 2,
@@ -1652,26 +1771,29 @@ enum ionic_vf_attr {
};
/**
- * VF link status
+ * enum ionic_vf_link_status - Virtual Function link status
+ * @IONIC_VF_LINK_STATUS_AUTO: Use link state of the uplink
+ * @IONIC_VF_LINK_STATUS_UP: Link always up
+ * @IONIC_VF_LINK_STATUS_DOWN: Link always down
*/
enum ionic_vf_link_status {
- IONIC_VF_LINK_STATUS_AUTO = 0, /* link state of the uplink */
- IONIC_VF_LINK_STATUS_UP = 1, /* link is always up */
- IONIC_VF_LINK_STATUS_DOWN = 2, /* link is always down */
+ IONIC_VF_LINK_STATUS_AUTO = 0,
+ IONIC_VF_LINK_STATUS_UP = 1,
+ IONIC_VF_LINK_STATUS_DOWN = 2,
};
/**
* struct ionic_vf_setattr_cmd - Set VF attributes on the NIC
* @opcode: Opcode
- * @index: VF index
* @attr: Attribute type (enum ionic_vf_attr)
- * macaddr mac address
- * vlanid vlan ID
- * maxrate max Tx rate in Mbps
- * spoofchk enable address spoof checking
- * trust enable VF trust
- * linkstate set link up or down
- * stats_pa set DMA address for VF stats
+ * @vf_index: VF index
+ * @macaddr: mac address
+ * @vlanid: vlan ID
+ * @maxrate: max Tx rate in Mbps
+ * @spoofchk: enable address spoof checking
+ * @trust: enable VF trust
+ * @linkstate: set link up or down
+ * @stats_pa: set DMA address for VF stats
*/
struct ionic_vf_setattr_cmd {
u8 opcode;
@@ -1701,8 +1823,8 @@ struct ionic_vf_setattr_comp {
/**
* struct ionic_vf_getattr_cmd - Get VF attributes from the NIC
* @opcode: Opcode
- * @index: VF index
* @attr: Attribute type (enum ionic_vf_attr)
+ * @vf_index: VF index
*/
struct ionic_vf_getattr_cmd {
u8 opcode;
@@ -1729,19 +1851,85 @@ struct ionic_vf_getattr_comp {
};
/**
- * union ionic_qos_config - Qos configuration structure
+ * struct ionic_qos_identify_cmd - QoS identify command
+ * @opcode: opcode
+ * @ver: Highest version of identify supported by driver
+ *
+ */
+struct ionic_qos_identify_cmd {
+ u8 opcode;
+ u8 ver;
+ u8 rsvd[62];
+};
+
+/**
+ * struct ionic_qos_identify_comp - QoS identify command completion
+ * @status: Status of the command (enum ionic_status_code)
+ * @ver: Version of identify returned by device
+ */
+struct ionic_qos_identify_comp {
+ u8 status;
+ u8 ver;
+ u8 rsvd[14];
+};
+
+#define IONIC_QOS_TC_MAX 8
+/* Capri max supported, should be renamed. */
+#define IONIC_QOS_CLASS_MAX 7
+#define IONIC_QOS_PCP_MAX 8
+#define IONIC_QOS_CLASS_NAME_SZ 32
+#define IONIC_QOS_DSCP_MAX 64
+#define IONIC_QOS_ALL_PCP 0xFF
+
+/**
+ * enum ionic_qos_class
+ */
+enum ionic_qos_class {
+ IONIC_QOS_CLASS_DEFAULT = 0,
+ IONIC_QOS_CLASS_USER_DEFINED_1 = 1,
+ IONIC_QOS_CLASS_USER_DEFINED_2 = 2,
+ IONIC_QOS_CLASS_USER_DEFINED_3 = 3,
+ IONIC_QOS_CLASS_USER_DEFINED_4 = 4,
+ IONIC_QOS_CLASS_USER_DEFINED_5 = 5,
+ IONIC_QOS_CLASS_USER_DEFINED_6 = 6,
+};
+
+/**
+ * enum ionic_qos_class_type - Traffic classification criteria
+ * @IONIC_QOS_CLASS_TYPE_NONE: No QoS
+ * @IONIC_QOS_CLASS_TYPE_PCP: Dot1Q PCP
+ * @IONIC_QOS_CLASS_TYPE_DSCP: IP DSCP
+ */
+enum ionic_qos_class_type {
+ IONIC_QOS_CLASS_TYPE_NONE = 0,
+ IONIC_QOS_CLASS_TYPE_PCP = 1,
+ IONIC_QOS_CLASS_TYPE_DSCP = 2,
+};
+
+/**
+ * enum ionic_qos_sched_type - QoS class scheduling type
+ * @IONIC_QOS_SCHED_TYPE_STRICT: Strict priority
+ * @IONIC_QOS_SCHED_TYPE_DWRR: Deficit weighted round-robin
+ */
+enum ionic_qos_sched_type {
+ IONIC_QOS_SCHED_TYPE_STRICT = 0,
+ IONIC_QOS_SCHED_TYPE_DWRR = 1,
+};
+
+/**
+ * union ionic_qos_config - QoS configuration structure
* @flags: Configuration flags
* IONIC_QOS_CONFIG_F_ENABLE enable
- * IONIC_QOS_CONFIG_F_DROP drop/nodrop
+ * IONIC_QOS_CONFIG_F_NO_DROP drop/nodrop
* IONIC_QOS_CONFIG_F_RW_DOT1Q_PCP enable dot1q pcp rewrite
* IONIC_QOS_CONFIG_F_RW_IP_DSCP enable ip dscp rewrite
- * @sched_type: Qos class scheduling type (enum ionic_qos_sched_type)
- * @class_type: Qos class type (enum ionic_qos_class_type)
- * @pause_type: Qos pause type (enum ionic_qos_pause_type)
- * @name: Qos class name
+ * @sched_type: QoS class scheduling type (enum ionic_qos_sched_type)
+ * @class_type: QoS class type (enum ionic_qos_class_type)
+ * @pause_type: QoS pause type (enum ionic_qos_pause_type)
+ * @name: QoS class name
* @mtu: MTU of the class
- * @pfc_dot1q_pcp: Pcp value for pause frames (valid iff F_NODROP)
- * @dwrr_weight: Qos class scheduling weight
+ * @pfc_cos: Priority-Flow Control class of service
+ * @dwrr_weight: QoS class scheduling weight
* @strict_rlmt: Rate limit for strict priority scheduling
* @rw_dot1q_pcp: Rewrite dot1q pcp to this value (valid iff F_RW_DOT1Q_PCP)
* @rw_ip_dscp: Rewrite ip dscp to this value (valid iff F_RW_IP_DSCP)
@@ -1752,7 +1940,8 @@ struct ionic_vf_getattr_comp {
union ionic_qos_config {
struct {
#define IONIC_QOS_CONFIG_F_ENABLE BIT(0)
-#define IONIC_QOS_CONFIG_F_DROP BIT(1)
+#define IONIC_QOS_CONFIG_F_NO_DROP BIT(1)
+/* Used to rewrite PCP or DSCP value. */
#define IONIC_QOS_CONFIG_F_RW_DOT1Q_PCP BIT(2)
#define IONIC_QOS_CONFIG_F_RW_IP_DSCP BIT(3)
u8 flags;
@@ -1769,6 +1958,7 @@ union ionic_qos_config {
__le64 strict_rlmt;
};
/* marking */
+ /* Used to rewrite PCP or DSCP value. */
union {
u8 rw_dot1q_pcp;
u8 rw_ip_dscp;
@@ -1778,7 +1968,7 @@ union ionic_qos_config {
u8 dot1q_pcp;
struct {
u8 ndscp;
- u8 ip_dscp[IONIC_QOS_DSCP_MAX_VALUES];
+ u8 ip_dscp[IONIC_QOS_DSCP_MAX];
};
};
};
@@ -1797,15 +1987,15 @@ union ionic_qos_identity {
u8 version;
u8 type;
u8 rsvd[62];
- union ionic_qos_config config[IONIC_QOS_CLASS_MAX];
+ union ionic_qos_config config[IONIC_QOS_CLASS_MAX];
};
- __le32 words[512];
+ __le32 words[478];
};
/**
- * struct qos_init_cmd - QoS config init command
+ * struct ionic_qos_init_cmd - QoS config init command
* @opcode: Opcode
- * @group: Qos class id
+ * @group: QoS class id
* @info_pa: destination address for qos info
*/
struct ionic_qos_init_cmd {
@@ -1819,8 +2009,9 @@ struct ionic_qos_init_cmd {
typedef struct ionic_admin_comp ionic_qos_init_comp;
/**
- * struct ionic_qos_reset_cmd - Qos config reset command
+ * struct ionic_qos_reset_cmd - QoS config reset command
* @opcode: Opcode
+ * @group: QoS class id
*/
struct ionic_qos_reset_cmd {
u8 opcode;
@@ -1847,10 +2038,16 @@ struct ionic_fw_download_cmd {
typedef struct ionic_admin_comp ionic_fw_download_comp;
+/**
+ * enum ionic_fw_control_oper - FW control operations
+ * @IONIC_FW_RESET: Reset firmware
+ * @IONIC_FW_INSTALL: Install firmware
+ * @IONIC_FW_ACTIVATE: Activate firmware
+ */
enum ionic_fw_control_oper {
- IONIC_FW_RESET = 0, /* Reset firmware */
- IONIC_FW_INSTALL = 1, /* Install firmware */
- IONIC_FW_ACTIVATE = 2, /* Activate firmware */
+ IONIC_FW_RESET = 0,
+ IONIC_FW_INSTALL = 1,
+ IONIC_FW_ACTIVATE = 2,
};
/**
@@ -1869,8 +2066,10 @@ struct ionic_fw_control_cmd {
/**
* struct ionic_fw_control_comp - Firmware control copletion
- * @opcode: opcode
- * @slot: slot where the firmware was installed
+ * @status: Status of the command (enum ionic_status_code)
+ * @comp_index: Index in the descriptor ring for which this is the completion
+ * @slot: Slot where the firmware was installed
+ * @color: Color bit
*/
struct ionic_fw_control_comp {
u8 status;
@@ -1888,11 +2087,11 @@ struct ionic_fw_control_comp {
/**
* struct ionic_rdma_reset_cmd - Reset RDMA LIF cmd
* @opcode: opcode
- * @lif_index: lif index
+ * @lif_index: LIF index
*
- * There is no rdma specific dev command completion struct. Completion uses
+ * There is no RDMA specific dev command completion struct. Completion uses
* the common struct ionic_admin_comp. Only the status is indicated.
- * Nonzero status means the LIF does not support rdma.
+ * Nonzero status means the LIF does not support RDMA.
**/
struct ionic_rdma_reset_cmd {
u8 opcode;
@@ -1904,30 +2103,29 @@ struct ionic_rdma_reset_cmd {
/**
* struct ionic_rdma_queue_cmd - Create RDMA Queue command
* @opcode: opcode, 52, 53
- * @lif_index lif index
- * @qid_ver: (qid | (rdma version << 24))
+ * @lif_index: LIF index
+ * @qid_ver: (qid | (RDMA version << 24))
* @cid: intr, eq_id, or cq_id
* @dbid: doorbell page id
* @depth_log2: log base two of queue depth
* @stride_log2: log base two of queue stride
* @dma_addr: address of the queue memory
- * @xxx_table_index: temporary, but should not need pgtbl for contig. queues.
*
- * The same command struct is used to create an rdma event queue, completion
- * queue, or rdma admin queue. The cid is an interrupt number for an event
+ * The same command struct is used to create an RDMA event queue, completion
+ * queue, or RDMA admin queue. The cid is an interrupt number for an event
* queue, an event queue id for a completion queue, or a completion queue id
- * for an rdma admin queue.
+ * for an RDMA admin queue.
*
* The queue created via a dev command must be contiguous in dma space.
*
* The dev commands are intended only to be used during driver initialization,
- * to create queues supporting the rdma admin queue. Other queues, and other
- * types of rdma resources like memory regions, will be created and registered
- * via the rdma admin queue, and will support a more complete interface
+ * to create queues supporting the RDMA admin queue. Other queues, and other
+ * types of RDMA resources like memory regions, will be created and registered
+ * via the RDMA admin queue, and will support a more complete interface
* providing scatter gather lists for larger, scattered queue buffers and
* memory registration.
*
- * There is no rdma specific dev command completion struct. Completion uses
+ * There is no RDMA specific dev command completion struct. Completion uses
* the common struct ionic_admin_comp. Only the status is indicated.
**/
struct ionic_rdma_queue_cmd {
@@ -1940,8 +2138,7 @@ struct ionic_rdma_queue_cmd {
u8 depth_log2;
u8 stride_log2;
__le64 dma_addr;
- u8 rsvd2[36];
- __le32 xxx_table_index;
+ u8 rsvd2[40];
};
/******************************************************************
@@ -1949,7 +2146,7 @@ struct ionic_rdma_queue_cmd {
******************************************************************/
/**
- * struct ionic_notifyq_event
+ * struct ionic_notifyq_event - Generic event reporting structure
* @eid: event number
* @ecode: event code
* @data: unspecified data about the event
@@ -1964,9 +2161,9 @@ struct ionic_notifyq_event {
};
/**
- * struct ionic_link_change_event
+ * struct ionic_link_change_event - Link change event notification
* @eid: event number
- * @ecode: event code = EVENT_OPCODE_LINK_CHANGE
+ * @ecode: event code = IONIC_EVENT_LINK_CHANGE
* @link_status: link up or down, with error bits (enum port_status)
* @link_speed: speed of the network link
*
@@ -1981,9 +2178,9 @@ struct ionic_link_change_event {
};
/**
- * struct ionic_reset_event
+ * struct ionic_reset_event - Reset event notification
* @eid: event number
- * @ecode: event code = EVENT_OPCODE_RESET
+ * @ecode: event code = IONIC_EVENT_RESET
* @reset_code: reset type
* @state: 0=pending, 1=complete, 2=error
*
@@ -1999,11 +2196,9 @@ struct ionic_reset_event {
};
/**
- * struct ionic_heartbeat_event
+ * struct ionic_heartbeat_event - Sent periodically by NIC to indicate health
* @eid: event number
- * @ecode: event code = EVENT_OPCODE_HEARTBEAT
- *
- * Sent periodically by the NIC to indicate continued health
+ * @ecode: event code = IONIC_EVENT_HEARTBEAT
*/
struct ionic_heartbeat_event {
__le64 eid;
@@ -2012,12 +2207,10 @@ struct ionic_heartbeat_event {
};
/**
- * struct ionic_log_event
+ * struct ionic_log_event - Sent to notify the driver of an internal error
* @eid: event number
- * @ecode: event code = EVENT_OPCODE_LOG
+ * @ecode: event code = IONIC_EVENT_LOG
* @data: log data
- *
- * Sent to notify the driver of an internal error.
*/
struct ionic_log_event {
__le64 eid;
@@ -2026,7 +2219,18 @@ struct ionic_log_event {
};
/**
- * struct ionic_port_stats
+ * struct ionic_xcvr_event - Transceiver change event
+ * @eid: event number
+ * @ecode: event code = IONIC_EVENT_XCVR
+ */
+struct ionic_xcvr_event {
+ __le64 eid;
+ __le16 ecode;
+ u8 rsvd[54];
+};
+
+/**
+ * struct ionic_port_stats - Port statistics structure
*/
struct ionic_port_stats {
__le64 frames_rx_ok;
@@ -2131,28 +2335,61 @@ struct ionic_mgmt_port_stats {
__le64 frames_rx_multicast;
__le64 frames_rx_broadcast;
__le64 frames_rx_pause;
- __le64 frames_rx_bad_length0;
- __le64 frames_rx_undersized1;
- __le64 frames_rx_oversized2;
- __le64 frames_rx_fragments3;
- __le64 frames_rx_jabber4;
- __le64 frames_rx_64b5;
- __le64 frames_rx_65b_127b6;
- __le64 frames_rx_128b_255b7;
- __le64 frames_rx_256b_511b8;
- __le64 frames_rx_512b_1023b9;
- __le64 frames_rx_1024b_1518b0;
- __le64 frames_rx_gt_1518b1;
- __le64 frames_rx_fifo_full2;
- __le64 frames_tx_ok3;
- __le64 frames_tx_all4;
- __le64 frames_tx_bad5;
- __le64 octets_tx_ok6;
- __le64 octets_tx_total7;
- __le64 frames_tx_unicast8;
- __le64 frames_tx_multicast9;
- __le64 frames_tx_broadcast0;
- __le64 frames_tx_pause1;
+ __le64 frames_rx_bad_length;
+ __le64 frames_rx_undersized;
+ __le64 frames_rx_oversized;
+ __le64 frames_rx_fragments;
+ __le64 frames_rx_jabber;
+ __le64 frames_rx_64b;
+ __le64 frames_rx_65b_127b;
+ __le64 frames_rx_128b_255b;
+ __le64 frames_rx_256b_511b;
+ __le64 frames_rx_512b_1023b;
+ __le64 frames_rx_1024b_1518b;
+ __le64 frames_rx_gt_1518b;
+ __le64 frames_rx_fifo_full;
+ __le64 frames_tx_ok;
+ __le64 frames_tx_all;
+ __le64 frames_tx_bad;
+ __le64 octets_tx_ok;
+ __le64 octets_tx_total;
+ __le64 frames_tx_unicast;
+ __le64 frames_tx_multicast;
+ __le64 frames_tx_broadcast;
+ __le64 frames_tx_pause;
+};
+
+enum ionic_pb_buffer_drop_stats {
+ IONIC_BUFFER_INTRINSIC_DROP = 0,
+ IONIC_BUFFER_DISCARDED,
+ IONIC_BUFFER_ADMITTED,
+ IONIC_BUFFER_OUT_OF_CELLS_DROP,
+ IONIC_BUFFER_OUT_OF_CELLS_DROP_2,
+ IONIC_BUFFER_OUT_OF_CREDIT_DROP,
+ IONIC_BUFFER_TRUNCATION_DROP,
+ IONIC_BUFFER_PORT_DISABLED_DROP,
+ IONIC_BUFFER_COPY_TO_CPU_TAIL_DROP,
+ IONIC_BUFFER_SPAN_TAIL_DROP,
+ IONIC_BUFFER_MIN_SIZE_VIOLATION_DROP,
+ IONIC_BUFFER_ENQUEUE_ERROR_DROP,
+ IONIC_BUFFER_INVALID_PORT_DROP,
+ IONIC_BUFFER_INVALID_OUTPUT_QUEUE_DROP,
+ IONIC_BUFFER_DROP_MAX,
+};
+
+/**
+ * struct port_pb_stats - packet buffers system stats
+ * uses ionic_pb_buffer_drop_stats for drop_counts[]
+ */
+struct ionic_port_pb_stats {
+ __le64 sop_count_in;
+ __le64 eop_count_in;
+ __le64 sop_count_out;
+ __le64 eop_count_out;
+ __le64 drop_counts[IONIC_BUFFER_DROP_MAX];
+ __le64 input_queue_buffer_occupancy[IONIC_QOS_TC_MAX];
+ __le64 input_queue_port_monitor[IONIC_QOS_TC_MAX];
+ __le64 output_queue_port_monitor[IONIC_QOS_TC_MAX];
};
/**
@@ -2184,22 +2421,31 @@ union ionic_port_identity {
u8 rsvd2[44];
union ionic_port_config config;
};
- __le32 words[512];
+ __le32 words[478];
};
/**
* struct ionic_port_info - port info structure
- * @port_status: port status
- * @port_stats: port stats
+ * @config: Port configuration data
+ * @status: Port status data
+ * @stats: Port statistics data
+ * @mgmt_stats: Port management statistics data
+ * @port_pb_drop_stats: uplink pb drop stats
*/
struct ionic_port_info {
union ionic_port_config config;
struct ionic_port_status status;
- struct ionic_port_stats stats;
+ union {
+ struct ionic_port_stats stats;
+ struct ionic_mgmt_port_stats mgmt_stats;
+ };
+ /* room for pb_stats to start at 2k offset */
+ u8 rsvd[760];
+ struct ionic_port_pb_stats pb_stats;
};
/**
- * struct ionic_lif_stats
+ * struct ionic_lif_stats - LIF statistics structure
*/
struct ionic_lif_stats {
/* RX */
@@ -2252,7 +2498,7 @@ struct ionic_lif_stats {
__le64 tx_queue_error;
__le64 tx_desc_fetch_error;
__le64 tx_desc_data_error;
- __le64 rsvd9;
+ __le64 tx_queue_empty;
__le64 rsvd10;
__le64 rsvd11;
__le64 rsvd12;
@@ -2353,7 +2599,10 @@ struct ionic_lif_stats {
};
/**
- * struct ionic_lif_info - lif info structure
+ * struct ionic_lif_info - LIF info structure
+ * @config: LIF configuration structure
+ * @status: LIF status structure
+ * @stats: LIF statistics structure
*/
struct ionic_lif_info {
union ionic_lif_config config;
@@ -2389,7 +2638,9 @@ union ionic_dev_cmd {
struct ionic_qos_init_cmd qos_init;
struct ionic_qos_reset_cmd qos_reset;
+ struct ionic_q_identify_cmd q_identify;
struct ionic_q_init_cmd q_init;
+ struct ionic_q_control_cmd q_control;
};
union ionic_dev_cmd_comp {
@@ -2421,19 +2672,20 @@ union ionic_dev_cmd_comp {
ionic_qos_init_comp qos_init;
ionic_qos_reset_comp qos_reset;
+ struct ionic_q_identify_comp q_identify;
struct ionic_q_init_comp q_init;
};
/**
- * union dev_info - Device info register format (read-only)
- * @signature: Signature value of 0x44455649 ('DEVI').
- * @version: Current version of info.
- * @asic_type: Asic type.
- * @asic_rev: Asic revision.
- * @fw_status: Firmware status.
- * @fw_heartbeat: Firmware heartbeat counter.
- * @serial_num: Serial number.
- * @fw_version: Firmware version.
+ * union ionic_dev_info_regs - Device info register format (read-only)
+ * @signature: Signature value of 0x44455649 ('DEVI')
+ * @version: Current version of info
+ * @asic_type: Asic type
+ * @asic_rev: Asic revision
+ * @fw_status: Firmware status
+ * @fw_heartbeat: Firmware heartbeat counter
+ * @serial_num: Serial number
+ * @fw_version: Firmware version
*/
union ionic_dev_info_regs {
#define IONIC_DEVINFO_FWVERS_BUFLEN 32
@@ -2454,10 +2706,10 @@ union ionic_dev_info_regs {
/**
* union ionic_dev_cmd_regs - Device command register format (read-write)
- * @doorbell: Device Cmd Doorbell, write-only.
+ * @doorbell: Device Cmd Doorbell, write-only
* Write a 1 to signal device to process cmd,
* poll done for completion.
- * @done: Done indicator, bit 0 == 1 when command is complete.
+ * @done: Done indicator, bit 0 == 1 when command is complete
* @cmd: Opcode-specific command bytes
* @comp: Opcode-specific response bytes
* @data: Opcode-specific side-data
@@ -2475,7 +2727,7 @@ union ionic_dev_cmd_regs {
};
/**
- * union ionic_dev_regs - Device register format in for bar 0 page 0
+ * union ionic_dev_regs - Device register format for bar 0 page 0
* @info: Device info registers
* @devcmd: Device command registers
*/
@@ -2490,6 +2742,7 @@ union ionic_dev_regs {
union ionic_adminq_cmd {
struct ionic_admin_cmd cmd;
struct ionic_nop_cmd nop;
+ struct ionic_q_identify_cmd q_identify;
struct ionic_q_init_cmd q_init;
struct ionic_q_control_cmd q_control;
struct ionic_lif_setattr_cmd lif_setattr;
@@ -2506,6 +2759,7 @@ union ionic_adminq_cmd {
union ionic_adminq_comp {
struct ionic_admin_comp comp;
struct ionic_nop_comp nop;
+ struct ionic_q_identify_comp q_identify;
struct ionic_q_init_comp q_init;
struct ionic_lif_setattr_comp lif_setattr;
struct ionic_lif_getattr_comp lif_getattr;
@@ -2531,14 +2785,14 @@ union ionic_adminq_comp {
/**
* struct ionic_doorbell - Doorbell register layout
* @p_index: Producer index
- * @ring: Selects the specific ring of the queue to update.
+ * @ring: Selects the specific ring of the queue to update
* Type-specific meaning:
- * ring=0: Default producer/consumer queue.
+ * ring=0: Default producer/consumer queue
* ring=1: (CQ, EQ) Re-Arm queue. RDMA CQs
* send events to EQs when armed. EQs send
* interrupts when armed.
- * @qid: The queue id selects the queue destination for the
- * producer index and flags.
+ * @qid_lo: Queue destination for the producer index and flags (low bits)
+ * @qid_hi: Queue destination for the producer index and flags (high bits)
*/
struct ionic_doorbell {
__le16 p_index;
@@ -2571,6 +2825,7 @@ struct ionic_identity {
union ionic_lif_identity lif;
union ionic_port_identity port;
union ionic_qos_identity qos;
+ union ionic_q_identity txq;
};
#endif /* _IONIC_IF_H_ */
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 5acf4f46c268..7321a92f8395 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -17,6 +17,16 @@
#include "ionic_ethtool.h"
#include "ionic_debugfs.h"
+/* queuetype support level */
+static const u8 ionic_qtype_versions[IONIC_QTYPE_MAX] = {
+ [IONIC_QTYPE_ADMINQ] = 0, /* 0 = Base version with CQ support */
+ [IONIC_QTYPE_NOTIFYQ] = 0, /* 0 = Base version */
+ [IONIC_QTYPE_RXQ] = 0, /* 0 = Base version with CQ+SG support */
+ [IONIC_QTYPE_TXQ] = 1, /* 0 = Base version with CQ+SG support
+ * 1 = ... with Tx SG version 1
+ */
+};
+
static void ionic_lif_rx_mode(struct ionic_lif *lif, unsigned int rx_mode);
static int ionic_lif_addr_add(struct ionic_lif *lif, const u8 *addr);
static int ionic_lif_addr_del(struct ionic_lif *lif, const u8 *addr);
@@ -27,6 +37,7 @@ static void ionic_lif_set_netdev_info(struct ionic_lif *lif);
static int ionic_start_queues(struct ionic_lif *lif);
static void ionic_stop_queues(struct ionic_lif *lif);
+static void ionic_lif_queue_identify(struct ionic_lif *lif);
static void ionic_lif_deferred_work(struct work_struct *work)
{
@@ -186,10 +197,10 @@ static int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr)
return 0;
}
-static void ionic_intr_free(struct ionic_lif *lif, int index)
+static void ionic_intr_free(struct ionic *ionic, int index)
{
- if (index != INTR_INDEX_NOT_ASSIGNED && index < lif->ionic->nintrs)
- clear_bit(index, lif->ionic->intrs);
+ if (index != IONIC_INTR_INDEX_NOT_ASSIGNED && index < ionic->nintrs)
+ clear_bit(index, ionic->intrs);
}
static int ionic_qcq_enable(struct ionic_qcq *qcq)
@@ -299,7 +310,7 @@ static void ionic_qcq_free(struct ionic_lif *lif, struct ionic_qcq *qcq)
irq_set_affinity_hint(qcq->intr.vector, NULL);
devm_free_irq(dev, qcq->intr.vector, &qcq->napi);
qcq->intr.vector = 0;
- ionic_intr_free(lif, qcq->intr.index);
+ ionic_intr_free(lif->ionic, qcq->intr.index);
}
devm_kfree(dev, qcq->cq.info);
@@ -345,7 +356,7 @@ static void ionic_link_qcq_interrupts(struct ionic_qcq *src_qcq,
struct ionic_qcq *n_qcq)
{
if (WARN_ON(n_qcq->flags & IONIC_QCQ_F_INTR)) {
- ionic_intr_free(n_qcq->cq.lif, n_qcq->intr.index);
+ ionic_intr_free(n_qcq->cq.lif->ionic, n_qcq->intr.index);
n_qcq->flags &= ~IONIC_QCQ_F_INTR;
}
@@ -444,7 +455,7 @@ static int ionic_qcq_alloc(struct ionic_lif *lif, unsigned int type,
cpumask_set_cpu(new->intr.cpu,
&new->intr.affinity_mask);
} else {
- new->intr.index = INTR_INDEX_NOT_ASSIGNED;
+ new->intr.index = IONIC_INTR_INDEX_NOT_ASSIGNED;
}
new->cq.info = devm_kzalloc(dev, sizeof(*new->cq.info) * num_descs,
@@ -497,7 +508,7 @@ err_out_free_irq:
devm_free_irq(dev, new->intr.vector, &new->napi);
err_out_free_intr:
if (flags & IONIC_QCQ_F_INTR)
- ionic_intr_free(lif, new->intr.index);
+ ionic_intr_free(lif->ionic, new->intr.index);
err_out:
dev_err(dev, "qcq alloc of %s%d failed %d\n", name, index, err);
return err;
@@ -597,6 +608,7 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_SG),
@@ -614,6 +626,8 @@ static int ionic_lif_txq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
dev_dbg(dev, "txq_init.index %d\n", ctx.cmd.q_init.index);
dev_dbg(dev, "txq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base);
dev_dbg(dev, "txq_init.ring_size %d\n", ctx.cmd.q_init.ring_size);
+ dev_dbg(dev, "txq_init.flags 0x%x\n", ctx.cmd.q_init.flags);
+ dev_dbg(dev, "txq_init.ver %d\n", ctx.cmd.q_init.ver);
q->tail = q->info;
q->head = q->tail;
@@ -646,6 +660,7 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_SG),
@@ -663,6 +678,8 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
dev_dbg(dev, "rxq_init.index %d\n", ctx.cmd.q_init.index);
dev_dbg(dev, "rxq_init.ring_base 0x%llx\n", ctx.cmd.q_init.ring_base);
dev_dbg(dev, "rxq_init.ring_size %d\n", ctx.cmd.q_init.ring_size);
+ dev_dbg(dev, "rxq_init.flags 0x%x\n", ctx.cmd.q_init.flags);
+ dev_dbg(dev, "rxq_init.ver %d\n", ctx.cmd.q_init.ver);
q->tail = q->info;
q->head = q->tail;
@@ -726,7 +743,7 @@ static bool ionic_notifyq_service(struct ionic_cq *cq,
}
break;
default:
- netdev_warn(netdev, "Notifyq unknown event ecode=%d eid=%lld\n",
+ netdev_warn(netdev, "Notifyq event ecode=%d eid=%lld\n",
comp->event.ecode, eid);
break;
}
@@ -775,8 +792,8 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget)
return max(n_work, a_work);
}
-static void ionic_get_stats64(struct net_device *netdev,
- struct rtnl_link_stats64 *ns)
+void ionic_get_stats64(struct net_device *netdev,
+ struct rtnl_link_stats64 *ns)
{
struct ionic_lif *lif = netdev_priv(netdev);
struct ionic_lif_stats *ls;
@@ -1509,17 +1526,25 @@ static void ionic_txrx_free(struct ionic_lif *lif)
static int ionic_txrx_alloc(struct ionic_lif *lif)
{
+ unsigned int sg_desc_sz;
unsigned int flags;
unsigned int i;
int err = 0;
+ if (lif->qtype_info[IONIC_QTYPE_TXQ].version >= 1 &&
+ lif->qtype_info[IONIC_QTYPE_TXQ].sg_desc_sz ==
+ sizeof(struct ionic_txq_sg_desc_v1))
+ sg_desc_sz = sizeof(struct ionic_txq_sg_desc_v1);
+ else
+ sg_desc_sz = sizeof(struct ionic_txq_sg_desc);
+
flags = IONIC_QCQ_F_TX_STATS | IONIC_QCQ_F_SG;
for (i = 0; i < lif->nxqs; i++) {
err = ionic_qcq_alloc(lif, IONIC_QTYPE_TXQ, i, "tx", flags,
lif->ntxq_descs,
sizeof(struct ionic_txq_desc),
sizeof(struct ionic_txq_comp),
- sizeof(struct ionic_txq_sg_desc),
+ sg_desc_sz,
lif->kern_pid, &lif->txqcqs[i].qcq);
if (err)
goto err_out;
@@ -1682,7 +1707,7 @@ int ionic_stop(struct net_device *netdev)
{
struct ionic_lif *lif = netdev_priv(netdev);
- if (test_bit(IONIC_LIF_F_FW_RESET, lif->state))
+ if (!netif_device_present(netdev))
return 0;
ionic_stop_queues(lif);
@@ -1699,6 +1724,9 @@ static int ionic_get_vf_config(struct net_device *netdev,
struct ionic *ionic = lif->ionic;
int ret = 0;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_read(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1726,6 +1754,9 @@ static int ionic_get_vf_stats(struct net_device *netdev, int vf,
struct ionic_lif_stats *vs;
int ret = 0;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_read(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1761,6 +1792,9 @@ static int ionic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
if (!(is_zero_ether_addr(mac) || is_valid_ether_addr(mac)))
return -EINVAL;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1792,6 +1826,9 @@ static int ionic_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan,
if (proto != htons(ETH_P_8021Q))
return -EPROTONOSUPPORT;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1818,6 +1855,9 @@ static int ionic_set_vf_rate(struct net_device *netdev, int vf,
if (tx_min)
return -EINVAL;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1840,6 +1880,9 @@ static int ionic_set_vf_spoofchk(struct net_device *netdev, int vf, bool set)
u8 data = set; /* convert to u8 for config */
int ret;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1862,6 +1905,9 @@ static int ionic_set_vf_trust(struct net_device *netdev, int vf, bool set)
u8 data = set; /* convert to u8 for config */
int ret;
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -1898,6 +1944,9 @@ static int ionic_set_vf_link_state(struct net_device *netdev, int vf, int set)
return -EINVAL;
}
+ if (!netif_device_present(netdev))
+ return -EBUSY;
+
down_write(&ionic->vf_op_lock);
if (vf >= pci_num_vf(ionic->pdev) || !ionic->vfs) {
@@ -2065,9 +2114,17 @@ int ionic_lifs_alloc(struct ionic *ionic)
/* only build the first lif, others are for later features */
set_bit(0, ionic->lifbits);
+
lif = ionic_lif_alloc(ionic, 0);
+ if (IS_ERR_OR_NULL(lif)) {
+ clear_bit(0, ionic->lifbits);
+ return -ENOMEM;
+ }
+
+ lif->lif_type = IONIC_LIF_TYPE_CLASSIC;
+ ionic_lif_queue_identify(lif);
- return PTR_ERR_OR_ZERO(lif);
+ return 0;
}
static void ionic_lif_reset(struct ionic_lif *lif)
@@ -2101,6 +2158,7 @@ static void ionic_lif_handle_fw_down(struct ionic_lif *lif)
ionic_txrx_free(lif);
}
ionic_lifs_deinit(ionic);
+ ionic_reset(ionic);
ionic_qcqs_free(lif);
dev_info(ionic->dev, "FW Down: LIFs stopped\n");
@@ -2116,6 +2174,8 @@ static void ionic_lif_handle_fw_up(struct ionic_lif *lif)
dev_info(ionic->dev, "FW Up: restarting LIFs\n");
+ ionic_init_devinfo(ionic);
+ ionic_port_init(ionic);
err = ionic_qcqs_alloc(lif);
if (err)
goto err_out;
@@ -2289,6 +2349,7 @@ static int ionic_lif_notifyq_init(struct ionic_lif *lif)
.opcode = IONIC_CMD_Q_INIT,
.lif_index = cpu_to_le16(lif->index),
.type = q->type,
+ .ver = lif->qtype_info[q->type].version,
.index = cpu_to_le32(q->index),
.flags = cpu_to_le16(IONIC_QINIT_F_IRQ |
IONIC_QINIT_F_ENA),
@@ -2346,7 +2407,17 @@ static int ionic_station_set(struct ionic_lif *lif)
if (is_zero_ether_addr(ctx.comp.lif_getattr.mac))
return 0;
- if (!ether_addr_equal(ctx.comp.lif_getattr.mac, netdev->dev_addr)) {
+ if (!is_zero_ether_addr(netdev->dev_addr)) {
+ /* If the netdev mac is non-zero and doesn't match the default
+ * device address, it was set by something earlier and we're
+ * likely here again after a fw-upgrade reset. We need to be
+ * sure the netdev mac is in our filter list.
+ */
+ if (!ether_addr_equal(ctx.comp.lif_getattr.mac,
+ netdev->dev_addr))
+ ionic_lif_addr(lif, netdev->dev_addr, true);
+ } else {
+ /* Update the netdev mac with the device's mac */
memcpy(addr.sa_data, ctx.comp.lif_getattr.mac, netdev->addr_len);
addr.sa_family = AF_INET;
err = eth_prepare_mac_addr_change(netdev, &addr);
@@ -2356,12 +2427,6 @@ static int ionic_station_set(struct ionic_lif *lif)
return 0;
}
- if (!is_zero_ether_addr(netdev->dev_addr)) {
- netdev_dbg(lif->netdev, "deleting station MAC addr %pM\n",
- netdev->dev_addr);
- ionic_lif_addr(lif, netdev->dev_addr, false);
- }
-
eth_commit_mac_addr_change(netdev, &addr);
}
@@ -2549,8 +2614,6 @@ int ionic_lifs_register(struct ionic *ionic)
dev_err(ionic->dev, "Cannot register net device, aborting\n");
return err;
}
-
- ionic_link_status_check_request(ionic->master_lif);
ionic->master_lif->registered = true;
return 0;
@@ -2573,6 +2636,80 @@ void ionic_lifs_unregister(struct ionic *ionic)
unregister_netdev(ionic->master_lif->netdev);
}
+static void ionic_lif_queue_identify(struct ionic_lif *lif)
+{
+ struct ionic *ionic = lif->ionic;
+ union ionic_q_identity *q_ident;
+ struct ionic_dev *idev;
+ int qtype;
+ int err;
+
+ idev = &lif->ionic->idev;
+ q_ident = (union ionic_q_identity *)&idev->dev_cmd_regs->data;
+
+ for (qtype = 0; qtype < ARRAY_SIZE(ionic_qtype_versions); qtype++) {
+ struct ionic_qtype_info *qti = &lif->qtype_info[qtype];
+
+ /* filter out the ones we know about */
+ switch (qtype) {
+ case IONIC_QTYPE_ADMINQ:
+ case IONIC_QTYPE_NOTIFYQ:
+ case IONIC_QTYPE_RXQ:
+ case IONIC_QTYPE_TXQ:
+ break;
+ default:
+ continue;
+ }
+
+ memset(qti, 0, sizeof(*qti));
+
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_queue_identify(idev, lif->lif_type, qtype,
+ ionic_qtype_versions[qtype]);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ if (!err) {
+ qti->version = q_ident->version;
+ qti->supported = q_ident->supported;
+ qti->features = le64_to_cpu(q_ident->features);
+ qti->desc_sz = le16_to_cpu(q_ident->desc_sz);
+ qti->comp_sz = le16_to_cpu(q_ident->comp_sz);
+ qti->sg_desc_sz = le16_to_cpu(q_ident->sg_desc_sz);
+ qti->max_sg_elems = le16_to_cpu(q_ident->max_sg_elems);
+ qti->sg_desc_stride = le16_to_cpu(q_ident->sg_desc_stride);
+ }
+ mutex_unlock(&ionic->dev_cmd_lock);
+
+ if (err == -EINVAL) {
+ dev_err(ionic->dev, "qtype %d not supported\n", qtype);
+ continue;
+ } else if (err == -EIO) {
+ dev_err(ionic->dev, "q_ident failed, not supported on older FW\n");
+ return;
+ } else if (err) {
+ dev_err(ionic->dev, "q_ident failed, qtype %d: %d\n",
+ qtype, err);
+ return;
+ }
+
+ dev_dbg(ionic->dev, " qtype[%d].version = %d\n",
+ qtype, qti->version);
+ dev_dbg(ionic->dev, " qtype[%d].supported = 0x%02x\n",
+ qtype, qti->supported);
+ dev_dbg(ionic->dev, " qtype[%d].features = 0x%04llx\n",
+ qtype, qti->features);
+ dev_dbg(ionic->dev, " qtype[%d].desc_sz = %d\n",
+ qtype, qti->desc_sz);
+ dev_dbg(ionic->dev, " qtype[%d].comp_sz = %d\n",
+ qtype, qti->comp_sz);
+ dev_dbg(ionic->dev, " qtype[%d].sg_desc_sz = %d\n",
+ qtype, qti->sg_desc_sz);
+ dev_dbg(ionic->dev, " qtype[%d].max_sg_elems = %d\n",
+ qtype, qti->max_sg_elems);
+ dev_dbg(ionic->dev, " qtype[%d].sg_desc_stride = %d\n",
+ qtype, qti->sg_desc_stride);
+ }
+}
+
int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
union ionic_lif_identity *lid)
{
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index 5d4ffda5c05f..c3428034a17b 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -20,11 +20,13 @@ struct ionic_tx_stats {
u64 bytes;
u64 clean;
u64 linearize;
- u64 no_csum;
+ u64 csum_none;
u64 csum;
u64 crc32_csum;
u64 tso;
+ u64 tso_bytes;
u64 frags;
+ u64 vlan_inserted;
u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR];
};
@@ -38,6 +40,7 @@ struct ionic_rx_stats {
u64 csum_error;
u64 buffers_posted;
u64 dropped;
+ u64 vlan_stripped;
};
#define IONIC_QCQ_F_INITED BIT(0)
@@ -114,11 +117,17 @@ struct ionic_lif_sw_stats {
u64 rx_packets;
u64 rx_bytes;
u64 tx_tso;
- u64 tx_no_csum;
+ u64 tx_tso_bytes;
+ u64 tx_csum_none;
u64 tx_csum;
u64 rx_csum_none;
u64 rx_csum_complete;
u64 rx_csum_error;
+ u64 hw_tx_dropped;
+ u64 hw_rx_dropped;
+ u64 hw_rx_over_errors;
+ u64 hw_rx_missed_errors;
+ u64 hw_tx_aborted_errors;
};
enum ionic_lif_state_flags {
@@ -133,6 +142,17 @@ enum ionic_lif_state_flags {
IONIC_LIF_F_STATE_SIZE
};
+struct ionic_qtype_info {
+ u8 version;
+ u8 supported;
+ u64 features;
+ u16 desc_sz;
+ u16 comp_sz;
+ u16 sg_desc_sz;
+ u16 max_sg_elems;
+ u16 sg_desc_stride;
+};
+
#define IONIC_LIF_NAME_MAX_SZ 32
struct ionic_lif {
char name[IONIC_LIF_NAME_MAX_SZ];
@@ -161,11 +181,13 @@ struct ionic_lif {
bool mc_overflow;
unsigned int nmcast;
bool uc_overflow;
+ u16 lif_type;
unsigned int nucast;
struct ionic_lif_info *info;
dma_addr_t info_pa;
u32 info_sz;
+ struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX];
u16 rss_types;
u8 rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
@@ -227,6 +249,8 @@ static inline u32 ionic_coal_hw_to_usec(struct ionic *ionic, u32 units)
}
void ionic_link_status_check_request(struct ionic_lif *lif);
+void ionic_get_stats64(struct net_device *netdev,
+ struct rtnl_link_stats64 *ns);
void ionic_lif_deferred_enqueue(struct ionic_deferred *def,
struct ionic_deferred_work *work);
int ionic_lifs_alloc(struct ionic *ionic);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 588c62e9add7..df5b9bcc3aba 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -6,7 +6,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/utsname.h>
-#include <linux/vermagic.h>
+#include <generated/utsrelease.h>
#include "ionic.h"
#include "ionic_bus.h"
@@ -152,6 +152,8 @@ static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode)
return "IONIC_CMD_RX_FILTER_ADD";
case IONIC_CMD_RX_FILTER_DEL:
return "IONIC_CMD_RX_FILTER_DEL";
+ case IONIC_CMD_Q_IDENTIFY:
+ return "IONIC_CMD_Q_IDENTIFY";
case IONIC_CMD_Q_INIT:
return "IONIC_CMD_Q_INIT";
case IONIC_CMD_Q_CONTROL:
@@ -356,7 +358,7 @@ try_again:
done = ionic_dev_cmd_done(idev);
if (done)
break;
- msleep(20);
+ msleep(5);
hb = ionic_heartbeat_check(ionic);
} while (!done && !hb && time_before(jiffies, max_wait));
duration = jiffies - start_time;
@@ -413,6 +415,7 @@ int ionic_setup(struct ionic *ionic)
err = ionic_dev_setup(ionic);
if (err)
return err;
+ ionic_reset(ionic);
return 0;
}
@@ -509,16 +512,16 @@ int ionic_port_init(struct ionic *ionic)
size_t sz;
int err;
- if (idev->port_info)
- return 0;
-
- idev->port_info_sz = ALIGN(sizeof(*idev->port_info), PAGE_SIZE);
- idev->port_info = dma_alloc_coherent(ionic->dev, idev->port_info_sz,
- &idev->port_info_pa,
- GFP_KERNEL);
if (!idev->port_info) {
- dev_err(ionic->dev, "Failed to allocate port info, aborting\n");
- return -ENOMEM;
+ idev->port_info_sz = ALIGN(sizeof(*idev->port_info), PAGE_SIZE);
+ idev->port_info = dma_alloc_coherent(ionic->dev,
+ idev->port_info_sz,
+ &idev->port_info_pa,
+ GFP_KERNEL);
+ if (!idev->port_info) {
+ dev_err(ionic->dev, "Failed to allocate port info\n");
+ return -ENOMEM;
+ }
}
sz = min(sizeof(ident->port.config), sizeof(idev->dev_cmd_regs->data));
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.c b/drivers/net/ethernet/pensando/ionic/ionic_stats.c
index 8f2a8fb029f1..2a1885da58a6 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_stats.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.c
@@ -15,11 +15,109 @@ static const struct ionic_stat_desc ionic_lif_stats_desc[] = {
IONIC_LIF_STAT_DESC(rx_packets),
IONIC_LIF_STAT_DESC(rx_bytes),
IONIC_LIF_STAT_DESC(tx_tso),
- IONIC_LIF_STAT_DESC(tx_no_csum),
+ IONIC_LIF_STAT_DESC(tx_tso_bytes),
+ IONIC_LIF_STAT_DESC(tx_csum_none),
IONIC_LIF_STAT_DESC(tx_csum),
IONIC_LIF_STAT_DESC(rx_csum_none),
IONIC_LIF_STAT_DESC(rx_csum_complete),
IONIC_LIF_STAT_DESC(rx_csum_error),
+ IONIC_LIF_STAT_DESC(hw_tx_dropped),
+ IONIC_LIF_STAT_DESC(hw_rx_dropped),
+ IONIC_LIF_STAT_DESC(hw_rx_over_errors),
+ IONIC_LIF_STAT_DESC(hw_rx_missed_errors),
+ IONIC_LIF_STAT_DESC(hw_tx_aborted_errors),
+};
+
+static const struct ionic_stat_desc ionic_port_stats_desc[] = {
+ IONIC_PORT_STAT_DESC(frames_rx_ok),
+ IONIC_PORT_STAT_DESC(frames_rx_all),
+ IONIC_PORT_STAT_DESC(frames_rx_bad_fcs),
+ IONIC_PORT_STAT_DESC(frames_rx_bad_all),
+ IONIC_PORT_STAT_DESC(octets_rx_ok),
+ IONIC_PORT_STAT_DESC(octets_rx_all),
+ IONIC_PORT_STAT_DESC(frames_rx_unicast),
+ IONIC_PORT_STAT_DESC(frames_rx_multicast),
+ IONIC_PORT_STAT_DESC(frames_rx_broadcast),
+ IONIC_PORT_STAT_DESC(frames_rx_pause),
+ IONIC_PORT_STAT_DESC(frames_rx_bad_length),
+ IONIC_PORT_STAT_DESC(frames_rx_undersized),
+ IONIC_PORT_STAT_DESC(frames_rx_oversized),
+ IONIC_PORT_STAT_DESC(frames_rx_fragments),
+ IONIC_PORT_STAT_DESC(frames_rx_jabber),
+ IONIC_PORT_STAT_DESC(frames_rx_pripause),
+ IONIC_PORT_STAT_DESC(frames_rx_stomped_crc),
+ IONIC_PORT_STAT_DESC(frames_rx_too_long),
+ IONIC_PORT_STAT_DESC(frames_rx_vlan_good),
+ IONIC_PORT_STAT_DESC(frames_rx_dropped),
+ IONIC_PORT_STAT_DESC(frames_rx_less_than_64b),
+ IONIC_PORT_STAT_DESC(frames_rx_64b),
+ IONIC_PORT_STAT_DESC(frames_rx_65b_127b),
+ IONIC_PORT_STAT_DESC(frames_rx_128b_255b),
+ IONIC_PORT_STAT_DESC(frames_rx_256b_511b),
+ IONIC_PORT_STAT_DESC(frames_rx_512b_1023b),
+ IONIC_PORT_STAT_DESC(frames_rx_1024b_1518b),
+ IONIC_PORT_STAT_DESC(frames_rx_1519b_2047b),
+ IONIC_PORT_STAT_DESC(frames_rx_2048b_4095b),
+ IONIC_PORT_STAT_DESC(frames_rx_4096b_8191b),
+ IONIC_PORT_STAT_DESC(frames_rx_8192b_9215b),
+ IONIC_PORT_STAT_DESC(frames_rx_other),
+ IONIC_PORT_STAT_DESC(frames_tx_ok),
+ IONIC_PORT_STAT_DESC(frames_tx_all),
+ IONIC_PORT_STAT_DESC(frames_tx_bad),
+ IONIC_PORT_STAT_DESC(octets_tx_ok),
+ IONIC_PORT_STAT_DESC(octets_tx_total),
+ IONIC_PORT_STAT_DESC(frames_tx_unicast),
+ IONIC_PORT_STAT_DESC(frames_tx_multicast),
+ IONIC_PORT_STAT_DESC(frames_tx_broadcast),
+ IONIC_PORT_STAT_DESC(frames_tx_pause),
+ IONIC_PORT_STAT_DESC(frames_tx_pripause),
+ IONIC_PORT_STAT_DESC(frames_tx_vlan),
+ IONIC_PORT_STAT_DESC(frames_tx_less_than_64b),
+ IONIC_PORT_STAT_DESC(frames_tx_64b),
+ IONIC_PORT_STAT_DESC(frames_tx_65b_127b),
+ IONIC_PORT_STAT_DESC(frames_tx_128b_255b),
+ IONIC_PORT_STAT_DESC(frames_tx_256b_511b),
+ IONIC_PORT_STAT_DESC(frames_tx_512b_1023b),
+ IONIC_PORT_STAT_DESC(frames_tx_1024b_1518b),
+ IONIC_PORT_STAT_DESC(frames_tx_1519b_2047b),
+ IONIC_PORT_STAT_DESC(frames_tx_2048b_4095b),
+ IONIC_PORT_STAT_DESC(frames_tx_4096b_8191b),
+ IONIC_PORT_STAT_DESC(frames_tx_8192b_9215b),
+ IONIC_PORT_STAT_DESC(frames_tx_other),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_0),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_1),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_2),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_3),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_4),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_5),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_6),
+ IONIC_PORT_STAT_DESC(frames_tx_pri_7),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_0),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_1),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_2),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_3),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_4),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_5),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_6),
+ IONIC_PORT_STAT_DESC(frames_rx_pri_7),
+ IONIC_PORT_STAT_DESC(tx_pripause_0_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_1_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_2_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_3_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_4_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_5_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_6_1us_count),
+ IONIC_PORT_STAT_DESC(tx_pripause_7_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_0_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_1_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_2_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_3_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_4_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_5_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_6_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pripause_7_1us_count),
+ IONIC_PORT_STAT_DESC(rx_pause_1us_count),
+ IONIC_PORT_STAT_DESC(frames_tx_truncated),
};
static const struct ionic_stat_desc ionic_tx_stats_desc[] = {
@@ -29,6 +127,11 @@ static const struct ionic_stat_desc ionic_tx_stats_desc[] = {
IONIC_TX_STAT_DESC(dma_map_err),
IONIC_TX_STAT_DESC(linearize),
IONIC_TX_STAT_DESC(frags),
+ IONIC_TX_STAT_DESC(tso),
+ IONIC_TX_STAT_DESC(tso_bytes),
+ IONIC_TX_STAT_DESC(csum_none),
+ IONIC_TX_STAT_DESC(csum),
+ IONIC_TX_STAT_DESC(vlan_inserted),
};
static const struct ionic_stat_desc ionic_rx_stats_desc[] = {
@@ -40,6 +143,7 @@ static const struct ionic_stat_desc ionic_rx_stats_desc[] = {
IONIC_RX_STAT_DESC(csum_complete),
IONIC_RX_STAT_DESC(csum_error),
IONIC_RX_STAT_DESC(dropped),
+ IONIC_RX_STAT_DESC(vlan_stripped),
};
static const struct ionic_stat_desc ionic_txq_stats_desc[] = {
@@ -62,6 +166,7 @@ static const struct ionic_stat_desc ionic_dbg_napi_stats_desc[] = {
};
#define IONIC_NUM_LIF_STATS ARRAY_SIZE(ionic_lif_stats_desc)
+#define IONIC_NUM_PORT_STATS ARRAY_SIZE(ionic_port_stats_desc)
#define IONIC_NUM_TX_STATS ARRAY_SIZE(ionic_tx_stats_desc)
#define IONIC_NUM_RX_STATS ARRAY_SIZE(ionic_rx_stats_desc)
#define IONIC_NUM_TX_Q_STATS ARRAY_SIZE(ionic_txq_stats_desc)
@@ -76,6 +181,7 @@ static void ionic_get_lif_stats(struct ionic_lif *lif,
{
struct ionic_tx_stats *tstats;
struct ionic_rx_stats *rstats;
+ struct rtnl_link_stats64 ns;
struct ionic_qcq *txqcq;
struct ionic_qcq *rxqcq;
int q_num;
@@ -89,7 +195,8 @@ static void ionic_get_lif_stats(struct ionic_lif *lif,
stats->tx_packets += tstats->pkts;
stats->tx_bytes += tstats->bytes;
stats->tx_tso += tstats->tso;
- stats->tx_no_csum += tstats->no_csum;
+ stats->tx_tso_bytes += tstats->tso_bytes;
+ stats->tx_csum_none += tstats->csum_none;
stats->tx_csum += tstats->csum;
}
@@ -103,6 +210,13 @@ static void ionic_get_lif_stats(struct ionic_lif *lif,
stats->rx_csum_error += rstats->csum_error;
}
}
+
+ ionic_get_stats64(lif->netdev, &ns);
+ stats->hw_tx_dropped = ns.tx_dropped;
+ stats->hw_rx_dropped = ns.rx_dropped;
+ stats->hw_rx_over_errors = ns.rx_over_errors;
+ stats->hw_rx_missed_errors = ns.rx_missed_errors;
+ stats->hw_tx_aborted_errors = ns.tx_aborted_errors;
}
static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
@@ -118,6 +232,9 @@ static u64 ionic_sw_stats_get_count(struct ionic_lif *lif)
/* rx stats */
total += MAX_Q(lif) * IONIC_NUM_RX_STATS;
+ /* port stats */
+ total += IONIC_NUM_PORT_STATS;
+
if (test_bit(IONIC_LIF_F_UP, lif->state) &&
test_bit(IONIC_LIF_F_SW_DEBUG_STATS, lif->state)) {
/* tx debug stats */
@@ -144,6 +261,13 @@ static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
snprintf(*buf, ETH_GSTRING_LEN, ionic_lif_stats_desc[i].name);
*buf += ETH_GSTRING_LEN;
}
+
+ for (i = 0; i < IONIC_NUM_PORT_STATS; i++) {
+ snprintf(*buf, ETH_GSTRING_LEN,
+ ionic_port_stats_desc[i].name);
+ *buf += ETH_GSTRING_LEN;
+ }
+
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
for (i = 0; i < IONIC_NUM_TX_STATS; i++) {
snprintf(*buf, ETH_GSTRING_LEN, "tx_%d_%s",
@@ -225,6 +349,7 @@ static void ionic_sw_stats_get_strings(struct ionic_lif *lif, u8 **buf)
static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
{
+ struct ionic_port_stats *port_stats;
struct ionic_lif_sw_stats lif_stats;
struct ionic_qcq *txqcq, *rxqcq;
struct ionic_tx_stats *txstats;
@@ -238,6 +363,13 @@ static void ionic_sw_stats_get_values(struct ionic_lif *lif, u64 **buf)
(*buf)++;
}
+ port_stats = &lif->ionic->idev.port_info->stats;
+ for (i = 0; i < IONIC_NUM_PORT_STATS; i++) {
+ **buf = IONIC_READ_STAT_LE64(port_stats,
+ &ionic_port_stats_desc[i]);
+ (*buf)++;
+ }
+
for (q_num = 0; q_num < MAX_Q(lif); q_num++) {
txstats = &lif_to_txstats(lif, q_num);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_stats.h b/drivers/net/ethernet/pensando/ionic/ionic_stats.h
index d2c1122a2c6e..3f543512616e 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_stats.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_stats.h
@@ -11,6 +11,9 @@
.offset = IONIC_STAT_TO_OFFSET(type, stat_name) \
}
+#define IONIC_PORT_STAT_DESC(stat_name) \
+ IONIC_STAT_DESC(struct ionic_port_stats, stat_name)
+
#define IONIC_LIF_STAT_DESC(stat_name) \
IONIC_STAT_DESC(struct ionic_lif_sw_stats, stat_name)
@@ -45,6 +48,9 @@ extern const int ionic_num_stats_grps;
#define IONIC_READ_STAT64(base_ptr, desc_ptr) \
(*((u64 *)(((u8 *)(base_ptr)) + (desc_ptr)->offset)))
+#define IONIC_READ_STAT_LE64(base_ptr, desc_ptr) \
+ __le64_to_cpu(*((u64 *)(((u8 *)(base_ptr)) + (desc_ptr)->offset)))
+
struct ionic_stat_desc {
char name[ETH_GSTRING_LEN];
u64 offset;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
index d233b6e77b1e..b7f900c11834 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_txrx.c
@@ -10,8 +10,10 @@
#include "ionic_lif.h"
#include "ionic_txrx.h"
-static void ionic_rx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info,
- struct ionic_cq_info *cq_info, void *cb_arg);
+static void ionic_rx_clean(struct ionic_queue *q,
+ struct ionic_desc_info *desc_info,
+ struct ionic_cq_info *cq_info,
+ void *cb_arg);
static inline void ionic_txq_post(struct ionic_queue *q, bool ring_dbell,
ionic_desc_cb cb_func, void *cb_arg)
@@ -140,8 +142,10 @@ static struct sk_buff *ionic_rx_copybreak(struct ionic_queue *q,
return skb;
}
-static void ionic_rx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info,
- struct ionic_cq_info *cq_info, void *cb_arg)
+static void ionic_rx_clean(struct ionic_queue *q,
+ struct ionic_desc_info *desc_info,
+ struct ionic_cq_info *cq_info,
+ void *cb_arg)
{
struct ionic_rxq_comp *comp = cq_info->cq_desc;
struct ionic_qcq *qcq = q_to_qcq(q);
@@ -210,10 +214,11 @@ static void ionic_rx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_i
(comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_IP_BAD)))
stats->csum_error++;
- if (likely(netdev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
- if (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_VLAN)
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
- le16_to_cpu(comp->vlan_tci));
+ if (likely(netdev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+ (comp->csum_flags & IONIC_RXQ_COMP_CSUM_F_VLAN)) {
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ le16_to_cpu(comp->vlan_tci));
+ stats->vlan_stripped++;
}
if (le16_to_cpu(comp->len) <= q->lif->rx_copybreak)
@@ -475,7 +480,8 @@ int ionic_rx_napi(struct napi_struct *napi, int budget)
return work_done;
}
-static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, void *data, size_t len)
+static dma_addr_t ionic_tx_map_single(struct ionic_queue *q,
+ void *data, size_t len)
{
struct ionic_tx_stats *stats = q_to_tx_stats(q);
struct device *dev = q->lif->ionic->dev;
@@ -491,7 +497,8 @@ static dma_addr_t ionic_tx_map_single(struct ionic_queue *q, void *data, size_t
return dma_addr;
}
-static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q, const skb_frag_t *frag,
+static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q,
+ const skb_frag_t *frag,
size_t offset, size_t len)
{
struct ionic_tx_stats *stats = q_to_tx_stats(q);
@@ -507,8 +514,10 @@ static dma_addr_t ionic_tx_map_frag(struct ionic_queue *q, const skb_frag_t *fra
return dma_addr;
}
-static void ionic_tx_clean(struct ionic_queue *q, struct ionic_desc_info *desc_info,
- struct ionic_cq_info *cq_info, void *cb_arg)
+static void ionic_tx_clean(struct ionic_queue *q,
+ struct ionic_desc_info *desc_info,
+ struct ionic_cq_info *cq_info,
+ void *cb_arg)
{
struct ionic_txq_sg_desc *sg_desc = desc_info->sg_desc;
struct ionic_txq_sg_elem *elem = sg_desc->elems;
@@ -852,6 +861,7 @@ static int ionic_tx_tso(struct ionic_queue *q, struct sk_buff *skb)
stats->pkts += total_pkts;
stats->bytes += total_bytes;
stats->tso++;
+ stats->tso_bytes += total_bytes;
return 0;
@@ -890,9 +900,12 @@ static int ionic_tx_calc_csum(struct ionic_queue *q, struct sk_buff *skb)
flags, skb_shinfo(skb)->nr_frags, dma_addr);
desc->cmd = cpu_to_le64(cmd);
desc->len = cpu_to_le16(skb_headlen(skb));
- desc->vlan_tci = cpu_to_le16(skb_vlan_tag_get(skb));
desc->csum_start = cpu_to_le16(skb_checksum_start_offset(skb));
desc->csum_offset = cpu_to_le16(skb->csum_offset);
+ if (has_vlan) {
+ desc->vlan_tci = cpu_to_le16(skb_vlan_tag_get(skb));
+ stats->vlan_inserted++;
+ }
if (skb->csum_not_inet)
stats->crc32_csum++;
@@ -927,9 +940,12 @@ static int ionic_tx_calc_no_csum(struct ionic_queue *q, struct sk_buff *skb)
flags, skb_shinfo(skb)->nr_frags, dma_addr);
desc->cmd = cpu_to_le64(cmd);
desc->len = cpu_to_le16(skb_headlen(skb));
- desc->vlan_tci = cpu_to_le16(skb_vlan_tag_get(skb));
+ if (has_vlan) {
+ desc->vlan_tci = cpu_to_le16(skb_vlan_tag_get(skb));
+ stats->vlan_inserted++;
+ }
- stats->no_csum++;
+ stats->csum_none++;
return 0;
}
@@ -989,6 +1005,7 @@ static int ionic_tx(struct ionic_queue *q, struct sk_buff *skb)
static int ionic_tx_descs_needed(struct ionic_queue *q, struct sk_buff *skb)
{
+ int sg_elems = q->lif->qtype_info[IONIC_QTYPE_TXQ].max_sg_elems;
struct ionic_tx_stats *stats = q_to_tx_stats(q);
int err;
@@ -997,7 +1014,7 @@ static int ionic_tx_descs_needed(struct ionic_queue *q, struct sk_buff *skb)
return (skb->len / skb_shinfo(skb)->gso_size) + 1;
/* If non-TSO, just need 1 desc and nr_frags sg elems */
- if (skb_shinfo(skb)->nr_frags <= IONIC_TX_MAX_SG_ELEMS)
+ if (skb_shinfo(skb)->nr_frags <= sg_elems)
return 1;
/* Too many frags, so linearize */
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index fa41bf08a589..66ed39d6f357 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -740,12 +740,6 @@ struct qed_dbg_feature {
u32 dumped_dwords;
};
-struct qed_dbg_params {
- struct qed_dbg_feature features[DBG_FEATURE_NUM];
- u8 engine_for_debug;
- bool print_data;
-};
-
struct qed_dev {
u32 dp_module;
u8 dp_level;
@@ -844,6 +838,9 @@ struct qed_dev {
/* Recovery */
bool recov_in_prog;
+ /* Indicates whether should prevent attentions from being reasserted */
+ bool attn_clr_en;
+
/* LLH info */
u8 ppfid_bitmap;
struct qed_llh_info *p_llh_info;
@@ -872,17 +869,18 @@ struct qed_dev {
} protocol_ops;
void *ops_cookie;
- struct qed_dbg_params dbg_params;
-
#ifdef CONFIG_QED_LL2
struct qed_cb_ll2_info *ll2;
u8 ll2_mac_address[ETH_ALEN];
#endif
struct qed_dbg_feature dbg_features[DBG_FEATURE_NUM];
+ u8 engine_for_debug;
bool disable_ilt_dump;
DECLARE_HASHTABLE(connections, 10);
const struct firmware *firmware;
+ bool print_dbg_data;
+
u32 rdma_max_sge;
u32 rdma_max_inline;
u32 rdma_max_srq_sge;
@@ -1020,6 +1018,8 @@ u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
u32 input_len, u8 *input_buf,
u32 max_size, u8 *unzip_buf);
void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
+void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
+ enum qed_hw_err_type err_type);
void qed_get_protocol_stats(struct qed_dev *cdev,
enum qed_mcp_protocol_type type,
union qed_mcp_protocol_stats *stats);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
index 1a636bad717d..7b76667acaba 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
@@ -110,6 +110,7 @@ struct src_ent {
ALIGNED_TYPE_SIZE(union conn_context, p_hwfn)
#define SRQ_CXT_SIZE (sizeof(struct rdma_srq_context))
+#define XRC_SRQ_CXT_SIZE (sizeof(struct rdma_xrc_srq_context))
#define TYPE0_TASK_CXT_SIZE(p_hwfn) \
ALIGNED_TYPE_SIZE(union type0_task_context, p_hwfn)
@@ -293,18 +294,40 @@ static struct qed_tid_seg *qed_cxt_tid_seg_info(struct qed_hwfn *p_hwfn,
return NULL;
}
-static void qed_cxt_set_srq_count(struct qed_hwfn *p_hwfn, u32 num_srqs)
+static void qed_cxt_set_srq_count(struct qed_hwfn *p_hwfn,
+ u32 num_srqs, u32 num_xrc_srqs)
{
struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr;
p_mgr->srq_count = num_srqs;
+ p_mgr->xrc_srq_count = num_xrc_srqs;
}
-u32 qed_cxt_get_srq_count(struct qed_hwfn *p_hwfn)
+u32 qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn,
+ enum ilt_clients ilt_client)
+{
+ struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr;
+ struct qed_ilt_client_cfg *p_cli = &p_mngr->clients[ilt_client];
+
+ return ILT_PAGE_IN_BYTES(p_cli->p_size.val);
+}
+
+static u32 qed_cxt_xrc_srqs_per_page(struct qed_hwfn *p_hwfn)
+{
+ u32 page_size;
+
+ page_size = qed_cxt_get_ilt_page_size(p_hwfn, ILT_CLI_TSDM);
+ return page_size / XRC_SRQ_CXT_SIZE;
+}
+
+u32 qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn)
{
struct qed_cxt_mngr *p_mgr = p_hwfn->p_cxt_mngr;
+ u32 total_srqs;
+
+ total_srqs = p_mgr->srq_count + p_mgr->xrc_srq_count;
- return p_mgr->srq_count;
+ return total_srqs;
}
/* set the iids count per protocol */
@@ -692,7 +715,7 @@ int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *line_count)
}
/* TSDM (SRQ CONTEXT) */
- total = qed_cxt_get_srq_count(p_hwfn);
+ total = qed_cxt_get_total_srq_count(p_hwfn);
if (total) {
p_cli = qed_cxt_set_cli(&p_mngr->clients[ILT_CLI_TSDM]);
@@ -1962,11 +1985,9 @@ static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
struct qed_rdma_pf_params *p_params,
u32 num_tasks)
{
- u32 num_cons, num_qps, num_srqs;
+ u32 num_cons, num_qps;
enum protocol_type proto;
- num_srqs = min_t(u32, QED_RDMA_MAX_SRQS, p_params->num_srqs);
-
if (p_hwfn->mcp_info->func_info.protocol == QED_PCI_ETH_RDMA) {
DP_NOTICE(p_hwfn,
"Current day drivers don't support RoCE & iWARP simultaneously on the same PF. Default to RoCE-only\n");
@@ -1989,6 +2010,8 @@ static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
}
if (num_cons && num_tasks) {
+ u32 num_srqs, num_xrc_srqs;
+
qed_cxt_set_proto_cid_count(p_hwfn, proto, num_cons, 0);
/* Deliberatly passing ROCE for tasks id. This is because
@@ -1997,7 +2020,13 @@ static void qed_rdma_set_pf_params(struct qed_hwfn *p_hwfn,
qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_ROCE,
QED_CXT_ROCE_TID_SEG, 1,
num_tasks, false);
- qed_cxt_set_srq_count(p_hwfn, num_srqs);
+
+ num_srqs = min_t(u32, QED_RDMA_MAX_SRQS, p_params->num_srqs);
+
+ /* XRC SRQs populate a single ILT page */
+ num_xrc_srqs = qed_cxt_xrc_srqs_per_page(p_hwfn);
+
+ qed_cxt_set_srq_count(p_hwfn, num_srqs, num_xrc_srqs);
} else {
DP_INFO(p_hwfn->cdev,
"RDMA personality used without setting params!\n");
@@ -2163,10 +2192,17 @@ qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
p_blk = &p_cli->pf_blks[CDUC_BLK];
break;
case QED_ELEM_SRQ:
+ /* The first ILT page is not used for regular SRQs. Skip it. */
+ iid += p_hwfn->p_cxt_mngr->xrc_srq_count;
p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
elem_size = SRQ_CXT_SIZE;
p_blk = &p_cli->pf_blks[SRQ_BLK];
break;
+ case QED_ELEM_XRC_SRQ:
+ p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_TSDM];
+ elem_size = XRC_SRQ_CXT_SIZE;
+ p_blk = &p_cli->pf_blks[SRQ_BLK];
+ break;
case QED_ELEM_TASK:
p_cli = &p_hwfn->p_cxt_mngr->clients[ILT_CLI_CDUT];
elem_size = TYPE1_TASK_CXT_SIZE(p_hwfn);
@@ -2386,8 +2422,12 @@ int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto)
return rc;
/* Free TSDM CXT */
- rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ, 0,
- qed_cxt_get_srq_count(p_hwfn));
+ rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_XRC_SRQ, 0,
+ p_hwfn->p_cxt_mngr->xrc_srq_count);
+
+ rc = qed_cxt_free_ilt_range(p_hwfn, QED_ELEM_SRQ,
+ p_hwfn->p_cxt_mngr->xrc_srq_count,
+ p_hwfn->p_cxt_mngr->srq_count);
return rc;
}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.h b/drivers/net/ethernet/qlogic/qed/qed_cxt.h
index c4e815f6cabd..ce08ae8d8498 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.h
@@ -82,7 +82,8 @@ int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
enum qed_cxt_elem_type {
QED_ELEM_CXT,
QED_ELEM_SRQ,
- QED_ELEM_TASK
+ QED_ELEM_TASK,
+ QED_ELEM_XRC_SRQ,
};
u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn,
@@ -235,7 +236,6 @@ u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn,
enum protocol_type type);
u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,
enum protocol_type type);
-u32 qed_cxt_get_srq_count(struct qed_hwfn *p_hwfn);
int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto);
#define QED_CTX_WORKING_MEM 0
@@ -358,6 +358,7 @@ struct qed_cxt_mngr {
/* total number of SRQ's for this hwfn */
u32 srq_count;
+ u32 xrc_srq_count;
/* Maximal number of L2 steering filters */
u32 arfs_count;
@@ -372,4 +373,9 @@ u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn);
u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn);
u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn);
+u32 qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn,
+ enum ilt_clients ilt_client);
+
+u32 qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn);
+
#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c
index f4eebaabb6d0..57a0dab88431 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_debug.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c
@@ -7453,7 +7453,7 @@ static enum dbg_status format_feature(struct qed_hwfn *p_hwfn,
enum qed_dbg_features feature_idx)
{
struct qed_dbg_feature *feature =
- &p_hwfn->cdev->dbg_params.features[feature_idx];
+ &p_hwfn->cdev->dbg_features[feature_idx];
u32 text_size_bytes, null_char_pos, i;
enum dbg_status rc;
char *text_buf;
@@ -7502,7 +7502,7 @@ static enum dbg_status format_feature(struct qed_hwfn *p_hwfn,
text_buf[i] = '\n';
/* Dump printable feature to log */
- if (p_hwfn->cdev->dbg_params.print_data)
+ if (p_hwfn->cdev->print_dbg_data)
qed_dbg_print_feature(text_buf, text_size_bytes);
/* Free the old dump_buf and point the dump_buf to the newly allocagted
@@ -7523,7 +7523,7 @@ static enum dbg_status qed_dbg_dump(struct qed_hwfn *p_hwfn,
enum qed_dbg_features feature_idx)
{
struct qed_dbg_feature *feature =
- &p_hwfn->cdev->dbg_params.features[feature_idx];
+ &p_hwfn->cdev->dbg_features[feature_idx];
u32 buf_size_dwords;
enum dbg_status rc;
@@ -7648,7 +7648,7 @@ static int qed_dbg_nvm_image(struct qed_dev *cdev, void *buffer,
enum qed_nvm_images image_id)
{
struct qed_hwfn *p_hwfn =
- &cdev->hwfns[cdev->dbg_params.engine_for_debug];
+ &cdev->hwfns[cdev->engine_for_debug];
u32 len_rounded, i;
__be32 val;
int rc;
@@ -7780,7 +7780,7 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
{
u8 cur_engine, omit_engine = 0, org_engine;
struct qed_hwfn *p_hwfn =
- &cdev->hwfns[cdev->dbg_params.engine_for_debug];
+ &cdev->hwfns[cdev->engine_for_debug];
struct dbg_tools_data *dev_data = &p_hwfn->dbg_info;
int grc_params[MAX_DBG_GRC_PARAMS], i;
u32 offset = 0, feature_size;
@@ -8000,7 +8000,7 @@ int qed_dbg_all_data(struct qed_dev *cdev, void *buffer)
int qed_dbg_all_data_size(struct qed_dev *cdev)
{
struct qed_hwfn *p_hwfn =
- &cdev->hwfns[cdev->dbg_params.engine_for_debug];
+ &cdev->hwfns[cdev->engine_for_debug];
u32 regs_len = 0, image_len = 0, ilt_len = 0, total_ilt_len = 0;
u8 cur_engine, org_engine;
@@ -8059,9 +8059,9 @@ int qed_dbg_feature(struct qed_dev *cdev, void *buffer,
enum qed_dbg_features feature, u32 *num_dumped_bytes)
{
struct qed_hwfn *p_hwfn =
- &cdev->hwfns[cdev->dbg_params.engine_for_debug];
+ &cdev->hwfns[cdev->engine_for_debug];
struct qed_dbg_feature *qed_feature =
- &cdev->dbg_params.features[feature];
+ &cdev->dbg_features[feature];
enum dbg_status dbg_rc;
struct qed_ptt *p_ptt;
int rc = 0;
@@ -8084,7 +8084,7 @@ int qed_dbg_feature(struct qed_dev *cdev, void *buffer,
DP_VERBOSE(cdev, QED_MSG_DEBUG,
"copying debugfs feature to external buffer\n");
memcpy(buffer, qed_feature->dump_buf, qed_feature->buf_size);
- *num_dumped_bytes = cdev->dbg_params.features[feature].dumped_dwords *
+ *num_dumped_bytes = cdev->dbg_features[feature].dumped_dwords *
4;
out:
@@ -8095,7 +8095,7 @@ out:
int qed_dbg_feature_size(struct qed_dev *cdev, enum qed_dbg_features feature)
{
struct qed_hwfn *p_hwfn =
- &cdev->hwfns[cdev->dbg_params.engine_for_debug];
+ &cdev->hwfns[cdev->engine_for_debug];
struct qed_dbg_feature *qed_feature = &cdev->dbg_features[feature];
struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn);
u32 buf_size_dwords;
@@ -8120,14 +8120,14 @@ int qed_dbg_feature_size(struct qed_dev *cdev, enum qed_dbg_features feature)
u8 qed_get_debug_engine(struct qed_dev *cdev)
{
- return cdev->dbg_params.engine_for_debug;
+ return cdev->engine_for_debug;
}
void qed_set_debug_engine(struct qed_dev *cdev, int engine_number)
{
DP_VERBOSE(cdev, QED_MSG_DEBUG, "set debug engine to %d\n",
engine_number);
- cdev->dbg_params.engine_for_debug = engine_number;
+ cdev->engine_for_debug = engine_number;
}
void qed_dbg_pf_init(struct qed_dev *cdev)
@@ -8146,7 +8146,7 @@ void qed_dbg_pf_init(struct qed_dev *cdev)
}
/* Set the hwfn to be 0 as default */
- cdev->dbg_params.engine_for_debug = 0;
+ cdev->engine_for_debug = 0;
}
void qed_dbg_pf_exit(struct qed_dev *cdev)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 38a65b984e47..1eebf30fa798 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1972,7 +1972,7 @@ static int qed_init_qm_sanity(struct qed_hwfn *p_hwfn)
return 0;
if (QED_IS_ROCE_PERSONALITY(p_hwfn)) {
- p_hwfn->hw_info.multi_tc_roce_en = 0;
+ p_hwfn->hw_info.multi_tc_roce_en = false;
DP_NOTICE(p_hwfn,
"multi-tc roce was disabled to reduce requested amount of pqs\n");
if (qed_init_qm_get_num_pqs(p_hwfn) <= RESC_NUM(p_hwfn, QED_PQ))
@@ -2269,6 +2269,7 @@ int qed_resc_alloc(struct qed_dev *cdev)
/* EQ */
n_eqes = qed_chain_get_capacity(&p_hwfn->p_spq->chain);
if (QED_IS_RDMA_PERSONALITY(p_hwfn)) {
+ u32 n_srq = qed_cxt_get_total_srq_count(p_hwfn);
enum protocol_type rdma_proto;
if (QED_IS_ROCE_PERSONALITY(p_hwfn))
@@ -2279,7 +2280,10 @@ int qed_resc_alloc(struct qed_dev *cdev)
num_cons = qed_cxt_get_proto_cid_count(p_hwfn,
rdma_proto,
NULL) * 2;
- n_eqes += num_cons + 2 * MAX_NUM_VFS_BB;
+ /* EQ should be able to get events from all SRQ's
+ * at the same time
+ */
+ n_eqes += num_cons + 2 * MAX_NUM_VFS_BB + n_srq;
} else if (p_hwfn->hw_info.personality == QED_PCI_ISCSI) {
num_cons =
qed_cxt_get_proto_cid_count(p_hwfn,
@@ -3085,7 +3089,9 @@ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params)
rc = qed_final_cleanup(p_hwfn, p_hwfn->p_main_ptt,
p_hwfn->rel_pf_id, false);
if (rc) {
- DP_NOTICE(p_hwfn, "Final cleanup failed\n");
+ qed_hw_err_notify(p_hwfn, p_hwfn->p_main_ptt,
+ QED_HW_ERR_RAMROD_FAIL,
+ "Final cleanup failed\n");
goto load_err;
}
}
@@ -4392,7 +4398,7 @@ qed_get_hw_info(struct qed_hwfn *p_hwfn,
}
if (QED_IS_ROCE_PERSONALITY(p_hwfn))
- p_hwfn->hw_info.multi_tc_roce_en = 1;
+ p_hwfn->hw_info.multi_tc_roce_en = true;
p_hwfn->hw_info.num_hw_tc = NUM_PHYS_TCS_4PORT_K2;
p_hwfn->hw_info.num_active_tc = 1;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
index 4597015b8bff..f00460d00cab 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h
@@ -12400,6 +12400,13 @@ struct load_rsp_stc {
#define LOAD_RSP_FLAGS0_DRV_EXISTS (0x1 << 0)
};
+struct mdump_retain_data_stc {
+ u32 valid;
+ u32 epoch;
+ u32 pf;
+ u32 status;
+};
+
union drv_union_data {
u32 ver_str[MCP_DRV_VER_STR_SIZE_DWORD];
struct mcp_mac wol_mac;
@@ -12488,10 +12495,14 @@ struct public_drv_mb {
#define DRV_MSG_CODE_BIST_TEST 0x001e0000
#define DRV_MSG_CODE_SET_LED_MODE 0x00200000
#define DRV_MSG_CODE_RESOURCE_CMD 0x00230000
+/* Send crash dump commands with param[3:0] - opcode */
+#define DRV_MSG_CODE_MDUMP_CMD 0x00250000
#define DRV_MSG_CODE_GET_TLV_DONE 0x002f0000
#define DRV_MSG_CODE_GET_ENGINE_CONFIG 0x00370000
#define DRV_MSG_CODE_GET_PPFID_BITMAP 0x43000000
+#define DRV_MSG_CODE_DEBUG_DATA_SEND 0xc0040000
+
#define RESOURCE_CMD_REQ_RESC_MASK 0x0000001F
#define RESOURCE_CMD_REQ_RESC_SHIFT 0
#define RESOURCE_CMD_REQ_OPCODE_MASK 0x000000E0
@@ -12517,6 +12528,21 @@ struct public_drv_mb {
#define RESOURCE_DUMP 0
+/* DRV_MSG_CODE_MDUMP_CMD parameters */
+#define MDUMP_DRV_PARAM_OPCODE_MASK 0x0000000f
+#define DRV_MSG_CODE_MDUMP_ACK 0x01
+#define DRV_MSG_CODE_MDUMP_SET_VALUES 0x02
+#define DRV_MSG_CODE_MDUMP_TRIGGER 0x03
+#define DRV_MSG_CODE_MDUMP_GET_CONFIG 0x04
+#define DRV_MSG_CODE_MDUMP_SET_ENABLE 0x05
+#define DRV_MSG_CODE_MDUMP_CLEAR_LOGS 0x06
+#define DRV_MSG_CODE_MDUMP_GET_RETAIN 0x07
+#define DRV_MSG_CODE_MDUMP_CLR_RETAIN 0x08
+
+#define DRV_MSG_CODE_HW_DUMP_TRIGGER 0x0a
+#define DRV_MSG_CODE_MDUMP_GEN_MDUMP2 0x0b
+#define DRV_MSG_CODE_MDUMP_FREE_MDUMP2 0x0c
+
#define DRV_MSG_CODE_GET_PF_RDMA_PROTOCOL 0x002b0000
#define DRV_MSG_CODE_OS_WOL 0x002e0000
@@ -12626,6 +12652,17 @@ struct public_drv_mb {
#define DRV_MB_PARAM_FEATURE_SUPPORT_PORT_EEE 0x00000002
#define DRV_MB_PARAM_FEATURE_SUPPORT_FUNC_VLINK 0x00010000
+/* DRV_MSG_CODE_DEBUG_DATA_SEND parameters */
+#define DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE_OFFSET 0
+#define DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE_MASK 0xFF
+
+/* Driver attributes params */
+#define DRV_MB_PARAM_ATTRIBUTE_KEY_OFFSET 0
+#define DRV_MB_PARAM_ATTRIBUTE_KEY_MASK 0x00FFFFFF
+#define DRV_MB_PARAM_ATTRIBUTE_CMD_OFFSET 24
+#define DRV_MB_PARAM_ATTRIBUTE_CMD_MASK 0xFF000000
+
+#define DRV_MB_PARAM_NVM_CFG_OPTION_ID_OFFSET 0
#define DRV_MB_PARAM_NVM_CFG_OPTION_ID_SHIFT 0
#define DRV_MB_PARAM_NVM_CFG_OPTION_ID_MASK 0x0000FFFF
#define DRV_MB_PARAM_NVM_CFG_OPTION_ALL_SHIFT 16
@@ -12678,6 +12715,14 @@ struct public_drv_mb {
#define FW_MSG_CODE_DRV_CFG_PF_VFS_MSIX_DONE 0x00870000
#define FW_MSG_SEQ_NUMBER_MASK 0x0000ffff
+#define FW_MSG_CODE_DEBUG_DATA_SEND_INV_ARG 0xb0070000
+#define FW_MSG_CODE_DEBUG_DATA_SEND_BUF_FULL 0xb0080000
+#define FW_MSG_CODE_DEBUG_DATA_SEND_NO_BUF 0xb0090000
+#define FW_MSG_CODE_DEBUG_NOT_ENABLED 0xb00a0000
+#define FW_MSG_CODE_DEBUG_DATA_SEND_OK 0xb00b0000
+
+#define FW_MSG_CODE_MDUMP_INVALID_CMD 0x00030000
+
u32 fw_mb_param;
#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_MASK 0xFFFF0000
#define FW_MB_PARAM_RESOURCE_ALLOC_VERSION_MAJOR_SHIFT 16
@@ -12742,9 +12787,9 @@ enum MFW_DRV_MSG_TYPE {
MFW_DRV_MSG_GET_FCOE_STATS,
MFW_DRV_MSG_GET_ISCSI_STATS,
MFW_DRV_MSG_GET_RDMA_STATS,
- MFW_DRV_MSG_BW_UPDATE10,
+ MFW_DRV_MSG_FAILURE_DETECTED,
MFW_DRV_MSG_TRANSCEIVER_STATE_CHANGE,
- MFW_DRV_MSG_BW_UPDATE11,
+ MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED,
MFW_DRV_MSG_RESERVED,
MFW_DRV_MSG_GET_TLV_REQ,
MFW_DRV_MSG_OEM_CFG_UPDATE,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hw.c b/drivers/net/ethernet/qlogic/qed/qed_hw.c
index 4ab8cfaf63d1..5fa251489536 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hw.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_hw.c
@@ -762,9 +762,10 @@ static int qed_dmae_execute_command(struct qed_hwfn *p_hwfn,
dst_type,
length_cur);
if (qed_status) {
- DP_NOTICE(p_hwfn,
- "qed_dmae_execute_sub_operation Failed with error 0x%x. source_addr 0x%llx, destination addr 0x%llx, size_in_dwords 0x%x\n",
- qed_status, src_addr, dst_addr, length_cur);
+ qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_DMAE_FAIL,
+ "qed_dmae_execute_sub_operation Failed with error 0x%x. source_addr 0x%llx, destination addr 0x%llx, size_in_dwords 0x%x\n",
+ qed_status, src_addr,
+ dst_addr, length_cur);
break;
}
}
@@ -837,6 +838,41 @@ int qed_dmae_host2host(struct qed_hwfn *p_hwfn,
return rc;
}
+void qed_hw_err_notify(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ enum qed_hw_err_type err_type, char *fmt, ...)
+{
+ char buf[QED_HW_ERR_MAX_STR_SIZE];
+ va_list vl;
+ int len;
+
+ if (fmt) {
+ va_start(vl, fmt);
+ len = vsnprintf(buf, QED_HW_ERR_MAX_STR_SIZE, fmt, vl);
+ va_end(vl);
+
+ if (len > QED_HW_ERR_MAX_STR_SIZE - 1)
+ len = QED_HW_ERR_MAX_STR_SIZE - 1;
+
+ DP_NOTICE(p_hwfn, "%s", buf);
+ }
+
+ /* Fan failure cannot be masked by handling of another HW error */
+ if (p_hwfn->cdev->recov_in_prog &&
+ err_type != QED_HW_ERR_FAN_FAIL) {
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_DRV,
+ "Recovery is in progress. Avoid notifying about HW error %d.\n",
+ err_type);
+ return;
+ }
+
+ qed_hw_error_occurred(p_hwfn, err_type);
+
+ if (fmt)
+ qed_mcp_send_raw_debug_data(p_hwfn, p_ptt, buf, len);
+}
+
int qed_dmae_sanity(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, const char *phase)
{
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hw.h b/drivers/net/ethernet/qlogic/qed/qed_hw.h
index 505e94db939d..f5b109b04b66 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_hw.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_hw.h
@@ -315,4 +315,19 @@ int qed_init_fw_data(struct qed_dev *cdev,
int qed_dmae_sanity(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, const char *phase);
+#define QED_HW_ERR_MAX_STR_SIZE 256
+
+/**
+ * @brief qed_hw_err_notify - Notify upper layer driver and management FW
+ * about a HW error.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param err_type
+ * @param fmt - debug data buffer to send to the MFW
+ * @param ... - buffer format args
+ */
+void qed_hw_err_notify(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ enum qed_hw_err_type err_type, char *fmt, ...);
#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.c b/drivers/net/ethernet/qlogic/qed/qed_int.c
index 9f5113639eaf..b7b974f0ef21 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_int.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_int.c
@@ -96,6 +96,7 @@ struct aeu_invert_reg_bit {
#define ATTENTION_BB(value) (value << ATTENTION_BB_SHIFT)
#define ATTENTION_BB_DIFFERENT BIT(23)
+#define ATTENTION_CLEAR_ENABLE BIT(28)
unsigned int flags;
/* Callback to call if attention will be triggered */
@@ -363,6 +364,21 @@ static int qed_pglueb_rbc_attn_cb(struct qed_hwfn *p_hwfn)
return qed_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt);
}
+static int qed_fw_assertion(struct qed_hwfn *p_hwfn)
+{
+ qed_hw_err_notify(p_hwfn, p_hwfn->p_dpc_ptt, QED_HW_ERR_FW_ASSERT,
+ "FW assertion!\n");
+
+ return -EINVAL;
+}
+
+static int qed_general_attention_35(struct qed_hwfn *p_hwfn)
+{
+ DP_INFO(p_hwfn, "General attention 35!\n");
+
+ return 0;
+}
+
#define QED_DORQ_ATTENTION_REASON_MASK (0xfffff)
#define QED_DORQ_ATTENTION_OPAQUE_MASK (0xffff)
#define QED_DORQ_ATTENTION_OPAQUE_SHIFT (0x0)
@@ -605,13 +621,15 @@ static struct aeu_invert_reg aeu_descs[NUM_ATTN_REGS] = {
{
{ /* After Invert 4 */
- {"General Attention 32", ATTENTION_SINGLE,
- NULL, MAX_BLOCK_ID},
+ {"General Attention 32", ATTENTION_SINGLE |
+ ATTENTION_CLEAR_ENABLE, qed_fw_assertion,
+ MAX_BLOCK_ID},
{"General Attention %d",
(2 << ATTENTION_LENGTH_SHIFT) |
(33 << ATTENTION_OFFSET_SHIFT), NULL, MAX_BLOCK_ID},
- {"General Attention 35", ATTENTION_SINGLE,
- NULL, MAX_BLOCK_ID},
+ {"General Attention 35", ATTENTION_SINGLE |
+ ATTENTION_CLEAR_ENABLE, qed_general_attention_35,
+ MAX_BLOCK_ID},
{"NWS Parity",
ATTENTION_PAR | ATTENTION_BB_DIFFERENT |
ATTENTION_BB(AEU_INVERT_REG_SPECIAL_CNIG_0),
@@ -927,9 +945,12 @@ qed_int_deassertion_aeu_bit(struct qed_hwfn *p_hwfn,
qed_int_attn_print(p_hwfn, p_aeu->block_index,
ATTN_TYPE_INTERRUPT, !b_fatal);
-
- /* If the attention is benign, no need to prevent it */
- if (!rc)
+ /* Reach assertion if attention is fatal */
+ if (b_fatal)
+ qed_hw_err_notify(p_hwfn, p_hwfn->p_dpc_ptt, QED_HW_ERR_HW_ATTN,
+ "`%s': Fatal attention\n",
+ p_bit_name);
+ else /* If the attention is benign, no need to prevent it */
goto out;
/* Prevent this Attention from being asserted in the future */
@@ -2349,6 +2370,11 @@ void qed_int_disable_post_isr_release(struct qed_dev *cdev)
cdev->hwfns[i].b_int_requested = false;
}
+void qed_int_attn_clr_enable(struct qed_dev *cdev, bool clr_enable)
+{
+ cdev->attn_clr_en = clr_enable;
+}
+
int qed_int_set_timer_res(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
u8 timer_res, u16 sb_id, bool tx)
{
diff --git a/drivers/net/ethernet/qlogic/qed/qed_int.h b/drivers/net/ethernet/qlogic/qed/qed_int.h
index 9ad568d93ae6..e09db3386367 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_int.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_int.h
@@ -191,6 +191,17 @@ void qed_int_get_num_sbs(struct qed_hwfn *p_hwfn,
void qed_int_disable_post_isr_release(struct qed_dev *cdev);
/**
+ * @brief qed_int_attn_clr_enable - sets whether the general behavior is
+ * preventing attentions from being reasserted, or following the
+ * attributes of the specific attention.
+ *
+ * @param cdev
+ * @param clr_enable
+ *
+ */
+void qed_int_attn_clr_enable(struct qed_dev *cdev, bool clr_enable);
+
+/**
* @brief - Doorbell Recovery handler.
* Run doorbell recovery in case of PF overflow (and flush DORQ if
* needed).
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 037e5978787e..4afd8572ada6 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -2331,7 +2331,7 @@ static void qed_ll2_register_cb_ops(struct qed_dev *cdev,
cdev->ll2->cb_cookie = cookie;
}
-struct qed_ll2_cbs ll2_cbs = {
+static struct qed_ll2_cbs ll2_cbs = {
.rx_comp_cb = &qed_ll2b_complete_rx_packet,
.rx_release_cb = &qed_ll2b_release_rx_packet,
.tx_comp_cb = &qed_ll2b_complete_tx_packet,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 96356e897c80..83e798d4eebb 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -49,6 +49,7 @@
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_ll2_if.h>
#include <net/devlink.h>
+#include <linux/aer.h>
#include "qed.h"
#include "qed_sriov.h"
@@ -129,6 +130,8 @@ static void qed_free_pci(struct qed_dev *cdev)
{
struct pci_dev *pdev = cdev->pdev;
+ pci_disable_pcie_error_reporting(pdev);
+
if (cdev->doorbells && cdev->db_size)
iounmap(cdev->doorbells);
if (cdev->regview)
@@ -231,6 +234,12 @@ static int qed_init_pci(struct qed_dev *cdev, struct pci_dev *pdev)
return -ENOMEM;
}
+ /* AER (Advanced Error reporting) configuration */
+ rc = pci_enable_pcie_error_reporting(pdev);
+ if (rc)
+ DP_VERBOSE(cdev, NETIF_MSG_DRV,
+ "Failed to configure PCIe AER [%d]\n", rc);
+
return 0;
err2:
@@ -2459,6 +2468,39 @@ void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn)
ops->schedule_recovery_handler(cookie);
}
+char *qed_hw_err_type_descr[] = {
+ [QED_HW_ERR_FAN_FAIL] = "Fan Failure",
+ [QED_HW_ERR_MFW_RESP_FAIL] = "MFW Response Failure",
+ [QED_HW_ERR_HW_ATTN] = "HW Attention",
+ [QED_HW_ERR_DMAE_FAIL] = "DMAE Failure",
+ [QED_HW_ERR_RAMROD_FAIL] = "Ramrod Failure",
+ [QED_HW_ERR_FW_ASSERT] = "FW Assertion",
+ [QED_HW_ERR_LAST] = "Unknown",
+};
+
+void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
+ enum qed_hw_err_type err_type)
+{
+ struct qed_common_cb_ops *ops = p_hwfn->cdev->protocol_ops.common;
+ void *cookie = p_hwfn->cdev->ops_cookie;
+ char *err_str;
+
+ if (err_type > QED_HW_ERR_LAST)
+ err_type = QED_HW_ERR_LAST;
+ err_str = qed_hw_err_type_descr[err_type];
+
+ DP_NOTICE(p_hwfn, "HW error occurred [%s]\n", err_str);
+
+ /* Call the HW error handler of the protocol driver.
+ * If it is not available - perform a minimal handling of preventing
+ * HW attentions from being reasserted.
+ */
+ if (ops && ops->schedule_hw_err_handler)
+ ops->schedule_hw_err_handler(cookie, err_type);
+ else
+ qed_int_attn_clr_enable(p_hwfn->cdev, true);
+}
+
static int qed_set_coalesce(struct qed_dev *cdev, u16 rx_coal, u16 tx_coal,
void *handle)
{
@@ -2680,6 +2722,7 @@ const struct qed_common_ops qed_common_ops_pass = {
.set_led = &qed_set_led,
.recovery_process = &qed_recovery_process,
.recovery_prolog = &qed_recovery_prolog,
+ .attn_clr_enable = &qed_int_attn_clr_enable,
.update_drv_state = &qed_update_drv_state,
.update_mac = &qed_update_mac,
.update_mtu = &qed_update_mtu,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
index 280527cc0578..9624616806e7 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c
@@ -575,6 +575,8 @@ _qed_mcp_cmd_and_union(struct qed_hwfn *p_hwfn,
if (!QED_MB_FLAGS_IS_SET(p_mb_params, AVOID_BLOCK))
qed_mcp_cmd_set_blocking(p_hwfn, true);
+ qed_hw_err_notify(p_hwfn, p_ptt,
+ QED_HW_ERR_MFW_RESP_FAIL, NULL);
return -EAGAIN;
}
@@ -1704,6 +1706,127 @@ static void qed_mcp_update_stag(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
&resp, &param);
}
+static void qed_mcp_handle_fan_failure(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt)
+{
+ /* A single notification should be sent to upper driver in CMT mode */
+ if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
+ return;
+
+ qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_FAN_FAIL,
+ "Fan failure was detected on the network interface card and it's going to be shut down.\n");
+}
+
+struct qed_mdump_cmd_params {
+ u32 cmd;
+ void *p_data_src;
+ u8 data_src_size;
+ void *p_data_dst;
+ u8 data_dst_size;
+ u32 mcp_resp;
+};
+
+static int
+qed_mcp_mdump_cmd(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ struct qed_mdump_cmd_params *p_mdump_cmd_params)
+{
+ struct qed_mcp_mb_params mb_params;
+ int rc;
+
+ memset(&mb_params, 0, sizeof(mb_params));
+ mb_params.cmd = DRV_MSG_CODE_MDUMP_CMD;
+ mb_params.param = p_mdump_cmd_params->cmd;
+ mb_params.p_data_src = p_mdump_cmd_params->p_data_src;
+ mb_params.data_src_size = p_mdump_cmd_params->data_src_size;
+ mb_params.p_data_dst = p_mdump_cmd_params->p_data_dst;
+ mb_params.data_dst_size = p_mdump_cmd_params->data_dst_size;
+ rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
+ if (rc)
+ return rc;
+
+ p_mdump_cmd_params->mcp_resp = mb_params.mcp_resp;
+
+ if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_MDUMP_INVALID_CMD) {
+ DP_INFO(p_hwfn,
+ "The mdump sub command is unsupported by the MFW [mdump_cmd 0x%x]\n",
+ p_mdump_cmd_params->cmd);
+ rc = -EOPNOTSUPP;
+ } else if (p_mdump_cmd_params->mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
+ DP_INFO(p_hwfn,
+ "The mdump command is not supported by the MFW\n");
+ rc = -EOPNOTSUPP;
+ }
+
+ return rc;
+}
+
+static int qed_mcp_mdump_ack(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
+{
+ struct qed_mdump_cmd_params mdump_cmd_params;
+
+ memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
+ mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_ACK;
+
+ return qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
+}
+
+int
+qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ struct mdump_retain_data_stc *p_mdump_retain)
+{
+ struct qed_mdump_cmd_params mdump_cmd_params;
+ int rc;
+
+ memset(&mdump_cmd_params, 0, sizeof(mdump_cmd_params));
+ mdump_cmd_params.cmd = DRV_MSG_CODE_MDUMP_GET_RETAIN;
+ mdump_cmd_params.p_data_dst = p_mdump_retain;
+ mdump_cmd_params.data_dst_size = sizeof(*p_mdump_retain);
+
+ rc = qed_mcp_mdump_cmd(p_hwfn, p_ptt, &mdump_cmd_params);
+ if (rc)
+ return rc;
+
+ if (mdump_cmd_params.mcp_resp != FW_MSG_CODE_OK) {
+ DP_INFO(p_hwfn,
+ "Failed to get the mdump retained data [mcp_resp 0x%x]\n",
+ mdump_cmd_params.mcp_resp);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void qed_mcp_handle_critical_error(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt)
+{
+ struct mdump_retain_data_stc mdump_retain;
+ int rc;
+
+ /* In CMT mode - no need for more than a single acknowledgment to the
+ * MFW, and no more than a single notification to the upper driver.
+ */
+ if (p_hwfn != QED_LEADING_HWFN(p_hwfn->cdev))
+ return;
+
+ rc = qed_mcp_mdump_get_retain(p_hwfn, p_ptt, &mdump_retain);
+ if (rc == 0 && mdump_retain.valid)
+ DP_NOTICE(p_hwfn,
+ "The MFW notified that a critical error occurred in the device [epoch 0x%08x, pf 0x%x, status 0x%08x]\n",
+ mdump_retain.epoch,
+ mdump_retain.pf, mdump_retain.status);
+ else
+ DP_NOTICE(p_hwfn,
+ "The MFW notified that a critical error occurred in the device\n");
+
+ DP_NOTICE(p_hwfn,
+ "Acknowledging the notification to not allow the MFW crash dump [driver debug data collection is preferable]\n");
+ qed_mcp_mdump_ack(p_hwfn, p_ptt);
+
+ qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_HW_ATTN, NULL);
+}
+
void qed_mcp_read_ufp_config(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct public_func shmem_info;
@@ -1850,6 +1973,12 @@ int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
case MFW_DRV_MSG_S_TAG_UPDATE:
qed_mcp_update_stag(p_hwfn, p_ptt);
break;
+ case MFW_DRV_MSG_FAILURE_DETECTED:
+ qed_mcp_handle_fan_failure(p_hwfn, p_ptt);
+ break;
+ case MFW_DRV_MSG_CRITICAL_ERROR_OCCURRED:
+ qed_mcp_handle_critical_error(p_hwfn, p_ptt);
+ break;
case MFW_DRV_MSG_GET_TLV_REQ:
qed_mfw_tlv_req(p_hwfn);
break;
@@ -3819,3 +3948,127 @@ int qed_mcp_nvm_set_cfg(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
DRV_MSG_CODE_SET_NVM_CFG_OPTION,
mb_param, &resp, &param, len, (u32 *)p_buf);
}
+
+#define QED_MCP_DBG_DATA_MAX_SIZE MCP_DRV_NVM_BUF_LEN
+#define QED_MCP_DBG_DATA_MAX_HEADER_SIZE sizeof(u32)
+#define QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE \
+ (QED_MCP_DBG_DATA_MAX_SIZE - QED_MCP_DBG_DATA_MAX_HEADER_SIZE)
+
+static int
+__qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt, u8 *p_buf, u8 size)
+{
+ struct qed_mcp_mb_params mb_params;
+ int rc;
+
+ if (size > QED_MCP_DBG_DATA_MAX_SIZE) {
+ DP_ERR(p_hwfn,
+ "Debug data size is %d while it should not exceed %d\n",
+ size, QED_MCP_DBG_DATA_MAX_SIZE);
+ return -EINVAL;
+ }
+
+ memset(&mb_params, 0, sizeof(mb_params));
+ mb_params.cmd = DRV_MSG_CODE_DEBUG_DATA_SEND;
+ SET_MFW_FIELD(mb_params.param, DRV_MSG_CODE_DEBUG_DATA_SEND_SIZE, size);
+ mb_params.p_data_src = p_buf;
+ mb_params.data_src_size = size;
+ rc = qed_mcp_cmd_and_union(p_hwfn, p_ptt, &mb_params);
+ if (rc)
+ return rc;
+
+ if (mb_params.mcp_resp == FW_MSG_CODE_UNSUPPORTED) {
+ DP_INFO(p_hwfn,
+ "The DEBUG_DATA_SEND command is unsupported by the MFW\n");
+ return -EOPNOTSUPP;
+ } else if (mb_params.mcp_resp == (u32)FW_MSG_CODE_DEBUG_NOT_ENABLED) {
+ DP_INFO(p_hwfn, "The DEBUG_DATA_SEND command is not enabled\n");
+ return -EBUSY;
+ } else if (mb_params.mcp_resp != (u32)FW_MSG_CODE_DEBUG_DATA_SEND_OK) {
+ DP_NOTICE(p_hwfn,
+ "Failed to send debug data to the MFW [resp 0x%08x]\n",
+ mb_params.mcp_resp);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+enum qed_mcp_dbg_data_type {
+ QED_MCP_DBG_DATA_TYPE_RAW,
+};
+
+/* Header format: [31:28] PFID, [27:20] flags, [19:12] type, [11:0] S/N */
+#define QED_MCP_DBG_DATA_HDR_SN_OFFSET 0
+#define QED_MCP_DBG_DATA_HDR_SN_MASK 0x00000fff
+#define QED_MCP_DBG_DATA_HDR_TYPE_OFFSET 12
+#define QED_MCP_DBG_DATA_HDR_TYPE_MASK 0x000ff000
+#define QED_MCP_DBG_DATA_HDR_FLAGS_OFFSET 20
+#define QED_MCP_DBG_DATA_HDR_FLAGS_MASK 0x0ff00000
+#define QED_MCP_DBG_DATA_HDR_PF_OFFSET 28
+#define QED_MCP_DBG_DATA_HDR_PF_MASK 0xf0000000
+
+#define QED_MCP_DBG_DATA_HDR_FLAGS_FIRST 0x1
+#define QED_MCP_DBG_DATA_HDR_FLAGS_LAST 0x2
+
+static int
+qed_mcp_send_debug_data(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ enum qed_mcp_dbg_data_type type, u8 *p_buf, u32 size)
+{
+ u8 raw_data[QED_MCP_DBG_DATA_MAX_SIZE], *p_tmp_buf = p_buf;
+ u32 tmp_size = size, *p_header, *p_payload;
+ u8 flags = 0;
+ u16 seq;
+ int rc;
+
+ p_header = (u32 *)raw_data;
+ p_payload = (u32 *)(raw_data + QED_MCP_DBG_DATA_MAX_HEADER_SIZE);
+
+ seq = (u16)atomic_inc_return(&p_hwfn->mcp_info->dbg_data_seq);
+
+ /* First chunk is marked as 'first' */
+ flags |= QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
+
+ *p_header = 0;
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_SN, seq);
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_TYPE, type);
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_PF, p_hwfn->abs_pf_id);
+
+ while (tmp_size > QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE) {
+ memcpy(p_payload, p_tmp_buf, QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE);
+ rc = __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
+ QED_MCP_DBG_DATA_MAX_SIZE);
+ if (rc)
+ return rc;
+
+ /* Clear the 'first' marking after sending the first chunk */
+ if (p_tmp_buf == p_buf) {
+ flags &= ~QED_MCP_DBG_DATA_HDR_FLAGS_FIRST;
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS,
+ flags);
+ }
+
+ p_tmp_buf += QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
+ tmp_size -= QED_MCP_DBG_DATA_MAX_PAYLOAD_SIZE;
+ }
+
+ /* Last chunk is marked as 'last' */
+ flags |= QED_MCP_DBG_DATA_HDR_FLAGS_LAST;
+ SET_MFW_FIELD(*p_header, QED_MCP_DBG_DATA_HDR_FLAGS, flags);
+ memcpy(p_payload, p_tmp_buf, tmp_size);
+
+ /* Casting the left size to u8 is ok since at this point it is <= 32 */
+ return __qed_mcp_send_debug_data(p_hwfn, p_ptt, raw_data,
+ (u8)(QED_MCP_DBG_DATA_MAX_HEADER_SIZE +
+ tmp_size));
+}
+
+int
+qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt, u8 *p_buf, u32 size)
+{
+ return qed_mcp_send_debug_data(p_hwfn, p_ptt,
+ QED_MCP_DBG_DATA_TYPE_RAW, p_buf, size);
+}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.h b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
index 9c4c2763de8d..5750b4c5ef63 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mcp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.h
@@ -685,6 +685,18 @@ int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn,
*/
int qed_mfw_process_tlv_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+/**
+ * @brief Send raw debug data to the MFW
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_buf - raw debug data buffer
+ * @param size - buffer size
+ */
+int
+qed_mcp_send_raw_debug_data(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt, u8 *p_buf, u32 size);
+
/* Using hwfn number (and not pf_num) is required since in CMT mode,
* same pf_num may be used by two different hwfn
* TODO - this shouldn't really be in .h file, but until all fields
@@ -731,6 +743,9 @@ struct qed_mcp_info {
/* Capabilties negotiated with the MFW */
u32 capabilities;
+
+ /* S/N for debug data mailbox commands */
+ atomic_t dbg_data_seq;
};
struct qed_mcp_mb_params {
@@ -1001,6 +1016,19 @@ int __qed_configure_pf_min_bandwidth(struct qed_hwfn *p_hwfn,
int qed_mcp_mask_parities(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, u32 mask_parities);
+/* @brief - Gets the mdump retained data from the MFW.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_mdump_retain
+ *
+ * @param return 0 upon success.
+ */
+int
+qed_mcp_mdump_get_retain(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt,
+ struct mdump_retain_data_stc *p_mdump_retain);
+
/**
* @brief - Sets the MFW's max value for the given resource
*
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index 38b1f402f7ed..98455f698f53 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -212,13 +212,22 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn)
goto free_rdma_port;
}
+ /* Allocate bit map for XRC Domains */
+ rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->xrcd_map,
+ QED_RDMA_MAX_XRCDS, "XRCD");
+ if (rc) {
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+ "Failed to allocate xrcd_map,rc = %d\n", rc);
+ goto free_pd_map;
+ }
+
/* Allocate DPI bitmap */
rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->dpi_map,
p_hwfn->dpi_count, "DPI");
if (rc) {
DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
"Failed to allocate DPI bitmap, rc = %d\n", rc);
- goto free_pd_map;
+ goto free_xrcd_map;
}
/* Allocate bitmap for cq's. The maximum number of CQs is bound to
@@ -271,14 +280,27 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn)
goto free_cid_map;
}
+ /* The first SRQ follows the last XRC SRQ. This means that the
+ * SRQ IDs start from an offset equals to max_xrc_srqs.
+ */
+ p_rdma_info->srq_id_offset = p_hwfn->p_cxt_mngr->xrc_srq_count;
+ rc = qed_rdma_bmap_alloc(p_hwfn,
+ &p_rdma_info->xrc_srq_map,
+ p_hwfn->p_cxt_mngr->xrc_srq_count, "XRC SRQ");
+ if (rc) {
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+ "Failed to allocate xrc srq bitmap, rc = %d\n", rc);
+ goto free_real_cid_map;
+ }
+
/* Allocate bitmap for srqs */
- p_rdma_info->num_srqs = qed_cxt_get_srq_count(p_hwfn);
+ p_rdma_info->num_srqs = p_hwfn->p_cxt_mngr->srq_count;
rc = qed_rdma_bmap_alloc(p_hwfn, &p_rdma_info->srq_map,
p_rdma_info->num_srqs, "SRQ");
if (rc) {
DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
"Failed to allocate srq bitmap, rc = %d\n", rc);
- goto free_real_cid_map;
+ goto free_xrc_srq_map;
}
if (QED_IS_IWARP_PERSONALITY(p_hwfn))
@@ -292,6 +314,8 @@ static int qed_rdma_alloc(struct qed_hwfn *p_hwfn)
free_srq_map:
kfree(p_rdma_info->srq_map.bitmap);
+free_xrc_srq_map:
+ kfree(p_rdma_info->xrc_srq_map.bitmap);
free_real_cid_map:
kfree(p_rdma_info->real_cid_map.bitmap);
free_cid_map:
@@ -304,6 +328,8 @@ free_cq_map:
kfree(p_rdma_info->cq_map.bitmap);
free_dpi_map:
kfree(p_rdma_info->dpi_map.bitmap);
+free_xrcd_map:
+ kfree(p_rdma_info->xrcd_map.bitmap);
free_pd_map:
kfree(p_rdma_info->pd_map.bitmap);
free_rdma_port:
@@ -377,6 +403,7 @@ static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn)
qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->tid_map, 1);
qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->srq_map, 1);
qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->real_cid_map, 1);
+ qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->xrc_srq_map, 1);
kfree(p_rdma_info->port);
kfree(p_rdma_info->dev);
@@ -612,7 +639,10 @@ static int qed_rdma_start_fw(struct qed_hwfn *p_hwfn,
p_params_header->cnq_start_offset = (u8)RESC_START(p_hwfn,
QED_RDMA_CNQ_RAM);
p_params_header->num_cnqs = params->desired_cnq;
-
+ p_params_header->first_reg_srq_id =
+ cpu_to_le16(p_hwfn->p_rdma_info->srq_id_offset);
+ p_params_header->reg_srq_base_addr =
+ cpu_to_le32(qed_cxt_get_ilt_page_size(p_hwfn, ILT_CLI_TSDM));
if (params->cq_mode == QED_RDMA_CQ_MODE_16_BITS)
p_params_header->cq_ring_mode = 1;
else
@@ -983,6 +1013,41 @@ static void qed_rdma_free_pd(void *rdma_cxt, u16 pd)
spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
}
+static int qed_rdma_alloc_xrcd(void *rdma_cxt, u16 *xrcd_id)
+{
+ struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
+ u32 returned_id;
+ int rc;
+
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD\n");
+
+ spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+ rc = qed_rdma_bmap_alloc_id(p_hwfn,
+ &p_hwfn->p_rdma_info->xrcd_map,
+ &returned_id);
+ spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+ if (rc) {
+ DP_NOTICE(p_hwfn, "Failed in allocating xrcd id\n");
+ return rc;
+ }
+
+ *xrcd_id = (u16)returned_id;
+
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Alloc XRCD - done, rc = %d\n", rc);
+ return rc;
+}
+
+static void qed_rdma_free_xrcd(void *rdma_cxt, u16 xrcd_id)
+{
+ struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
+
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "xrcd_id = %08x\n", xrcd_id);
+
+ spin_lock_bh(&p_hwfn->p_rdma_info->lock);
+ qed_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->xrcd_map, xrcd_id);
+ spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
+}
+
static enum qed_rdma_toggle_bit
qed_rdma_toggle_bit_create_resize_cq(struct qed_hwfn *p_hwfn, u16 icid)
{
@@ -1306,11 +1371,14 @@ qed_rdma_create_qp(void *rdma_cxt,
qp->resp_offloaded = false;
qp->e2e_flow_control_en = qp->use_srq ? false : true;
qp->stats_queue = in_params->stats_queue;
+ qp->qp_type = in_params->qp_type;
+ qp->xrcd_id = in_params->xrcd_id;
if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
rc = qed_iwarp_create_qp(p_hwfn, qp, out_params);
qp->qpid = qp->icid;
} else {
+ qp->edpm_mode = GET_FIELD(in_params->flags, QED_ROCE_EDPM_MODE);
rc = qed_roce_alloc_cid(p_hwfn, &qp->icid);
qp->qpid = ((0xFF << 16) | qp->icid);
}
@@ -1418,6 +1486,18 @@ static int qed_rdma_modify_qp(void *rdma_cxt,
qp->cur_state);
}
+ switch (qp->qp_type) {
+ case QED_RDMA_QP_TYPE_XRC_INI:
+ qp->has_req = 1;
+ break;
+ case QED_RDMA_QP_TYPE_XRC_TGT:
+ qp->has_resp = 1;
+ break;
+ default:
+ qp->has_req = 1;
+ qp->has_resp = 1;
+ }
+
if (QED_IS_IWARP_PERSONALITY(p_hwfn)) {
enum qed_iwarp_qp_state new_state =
qed_roce2iwarp_state(qp->cur_state);
@@ -1657,6 +1737,15 @@ static void *qed_rdma_get_rdma_ctx(struct qed_dev *cdev)
return QED_AFFIN_HWFN(cdev);
}
+static struct qed_bmap *qed_rdma_get_srq_bmap(struct qed_hwfn *p_hwfn,
+ bool is_xrc)
+{
+ if (is_xrc)
+ return &p_hwfn->p_rdma_info->xrc_srq_map;
+
+ return &p_hwfn->p_rdma_info->srq_map;
+}
+
static int qed_rdma_modify_srq(void *rdma_cxt,
struct qed_rdma_modify_srq_in_params *in_params)
{
@@ -1686,8 +1775,8 @@ static int qed_rdma_modify_srq(void *rdma_cxt,
if (rc)
return rc;
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x",
- in_params->srq_id);
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "modified SRQ id = %x, is_xrc=%u\n",
+ in_params->srq_id, in_params->is_xrc);
return rc;
}
@@ -1702,6 +1791,7 @@ qed_rdma_destroy_srq(void *rdma_cxt,
struct qed_spq_entry *p_ent;
struct qed_bmap *bmap;
u16 opaque_fid;
+ u16 offset;
int rc;
opaque_fid = p_hwfn->hw_info.opaque_fid;
@@ -1723,14 +1813,16 @@ qed_rdma_destroy_srq(void *rdma_cxt,
if (rc)
return rc;
- bmap = &p_hwfn->p_rdma_info->srq_map;
+ bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc);
+ offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset;
spin_lock_bh(&p_hwfn->p_rdma_info->lock);
- qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id);
+ qed_bmap_release_id(p_hwfn, bmap, in_params->srq_id - offset);
spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "SRQ destroyed Id = %x",
- in_params->srq_id);
+ DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
+ "XRC/SRQ destroyed Id = %x, is_xrc=%u\n",
+ in_params->srq_id, in_params->is_xrc);
return rc;
}
@@ -1748,24 +1840,26 @@ qed_rdma_create_srq(void *rdma_cxt,
u16 opaque_fid, srq_id;
struct qed_bmap *bmap;
u32 returned_id;
+ u16 offset;
int rc;
- bmap = &p_hwfn->p_rdma_info->srq_map;
+ bmap = qed_rdma_get_srq_bmap(p_hwfn, in_params->is_xrc);
spin_lock_bh(&p_hwfn->p_rdma_info->lock);
rc = qed_rdma_bmap_alloc_id(p_hwfn, bmap, &returned_id);
spin_unlock_bh(&p_hwfn->p_rdma_info->lock);
if (rc) {
- DP_NOTICE(p_hwfn, "failed to allocate srq id\n");
+ DP_NOTICE(p_hwfn,
+ "failed to allocate xrc/srq id (is_xrc=%u)\n",
+ in_params->is_xrc);
return rc;
}
- elem_type = QED_ELEM_SRQ;
+ elem_type = (in_params->is_xrc) ? (QED_ELEM_XRC_SRQ) : (QED_ELEM_SRQ);
rc = qed_cxt_dynamic_ilt_alloc(p_hwfn, elem_type, returned_id);
if (rc)
goto err;
- /* returned id is no greater than u16 */
- srq_id = (u16)returned_id;
+
opaque_fid = p_hwfn->hw_info.opaque_fid;
opaque_fid = p_hwfn->hw_info.opaque_fid;
@@ -1782,20 +1876,34 @@ qed_rdma_create_srq(void *rdma_cxt,
DMA_REGPAIR_LE(p_ramrod->pbl_base_addr, in_params->pbl_base_addr);
p_ramrod->pages_in_srq_pbl = cpu_to_le16(in_params->num_pages);
p_ramrod->pd_id = cpu_to_le16(in_params->pd_id);
- p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id);
p_ramrod->srq_id.opaque_fid = cpu_to_le16(opaque_fid);
p_ramrod->page_size = cpu_to_le16(in_params->page_size);
DMA_REGPAIR_LE(p_ramrod->producers_addr, in_params->prod_pair_addr);
+ offset = (in_params->is_xrc) ? 0 : p_hwfn->p_rdma_info->srq_id_offset;
+ srq_id = (u16)returned_id + offset;
+ p_ramrod->srq_id.srq_idx = cpu_to_le16(srq_id);
+ if (in_params->is_xrc) {
+ SET_FIELD(p_ramrod->flags,
+ RDMA_SRQ_CREATE_RAMROD_DATA_XRC_FLAG, 1);
+ SET_FIELD(p_ramrod->flags,
+ RDMA_SRQ_CREATE_RAMROD_DATA_RESERVED_KEY_EN,
+ in_params->reserved_key_en);
+ p_ramrod->xrc_srq_cq_cid =
+ cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) |
+ in_params->cq_cid);
+ p_ramrod->xrc_domain = cpu_to_le16(in_params->xrcd_id);
+ }
rc = qed_spq_post(p_hwfn, p_ent, NULL);
if (rc)
goto err;
out_params->srq_id = srq_id;
- DP_VERBOSE(p_hwfn, QED_MSG_RDMA,
- "SRQ created Id = %x\n", out_params->srq_id);
-
+ DP_VERBOSE(p_hwfn,
+ QED_MSG_RDMA,
+ "XRC/SRQ created Id = %x (is_xrc=%u)\n",
+ out_params->srq_id, in_params->is_xrc);
return rc;
err:
@@ -1961,6 +2069,8 @@ static const struct qed_rdma_ops qed_rdma_ops_pass = {
.rdma_cnq_prod_update = &qed_rdma_cnq_prod_update,
.rdma_alloc_pd = &qed_rdma_alloc_pd,
.rdma_dealloc_pd = &qed_rdma_free_pd,
+ .rdma_alloc_xrcd = &qed_rdma_alloc_xrcd,
+ .rdma_dealloc_xrcd = &qed_rdma_free_xrcd,
.rdma_create_cq = &qed_rdma_create_cq,
.rdma_destroy_cq = &qed_rdma_destroy_cq,
.rdma_create_qp = &qed_rdma_create_qp,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.h b/drivers/net/ethernet/qlogic/qed/qed_rdma.h
index 3689fe3e5935..3898cae61e7a 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.h
@@ -63,6 +63,11 @@
#define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1)
#define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1)
+/* Up to 2^16 XRC Domains are supported, but the actual number of supported XRC
+ * SRQs is much smaller so there's no need to have that many domains.
+ */
+#define QED_RDMA_MAX_XRCDS (roundup_pow_of_two(RDMA_MAX_XRC_SRQS))
+
enum qed_rdma_toggle_bit {
QED_RDMA_TOGGLE_BIT_CLEAR = 0,
QED_RDMA_TOGGLE_BIT_SET = 1
@@ -81,9 +86,11 @@ struct qed_rdma_info {
struct qed_bmap cq_map;
struct qed_bmap pd_map;
+ struct qed_bmap xrcd_map;
struct qed_bmap tid_map;
struct qed_bmap qp_map;
struct qed_bmap srq_map;
+ struct qed_bmap xrc_srq_map;
struct qed_bmap cid_map;
struct qed_bmap tcp_cid_map;
struct qed_bmap real_cid_map;
@@ -111,6 +118,7 @@ struct qed_rdma_qp {
u32 qpid;
u16 icid;
enum qed_roce_qp_state cur_state;
+ enum qed_rdma_qp_type qp_type;
enum qed_iwarp_qp_state iwarp_state;
bool use_srq;
bool signal_all;
@@ -153,18 +161,21 @@ struct qed_rdma_qp {
dma_addr_t orq_phys_addr;
u8 orq_num_pages;
bool req_offloaded;
+ bool has_req;
/* responder */
u8 max_rd_atomic_resp;
u32 rq_psn;
u16 rq_cq_id;
u16 rq_num_pages;
+ u16 xrcd_id;
dma_addr_t rq_pbl_ptr;
void *irq;
dma_addr_t irq_phys_addr;
u8 irq_num_pages;
bool resp_offloaded;
u32 cq_prod;
+ bool has_resp;
u8 remote_mac_addr[6];
u8 local_mac_addr[6];
@@ -172,8 +183,17 @@ struct qed_rdma_qp {
void *shared_queue;
dma_addr_t shared_queue_phys_addr;
struct qed_iwarp_ep *ep;
+ u8 edpm_mode;
};
+static inline bool qed_rdma_is_xrc_qp(struct qed_rdma_qp *qp)
+{
+ if (qp->qp_type == QED_RDMA_QP_TYPE_XRC_TGT ||
+ qp->qp_type == QED_RDMA_QP_TYPE_XRC_INI)
+ return true;
+
+ return false;
+}
#if IS_ENABLED(CONFIG_QED_RDMA)
void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index 37e70562a964..4566815f7b87 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -254,6 +254,9 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn,
int rc;
u8 tc;
+ if (!qp->has_resp)
+ return 0;
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
/* Allocate DMA-able memory for IRQ */
@@ -315,6 +318,10 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn,
ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
qp->min_rnr_nak_timer);
+ SET_FIELD(p_ramrod->flags,
+ ROCE_CREATE_QP_RESP_RAMROD_DATA_XRC_FLAG,
+ qed_rdma_is_xrc_qp(qp));
+
p_ramrod->max_ird = qp->max_rd_atomic_resp;
p_ramrod->traffic_class = qp->traffic_class_tos;
p_ramrod->hop_limit = qp->hop_limit_ttl;
@@ -335,6 +342,7 @@ static int qed_roce_sp_create_responder(struct qed_hwfn *p_hwfn,
p_ramrod->qp_handle_for_cqe.lo = cpu_to_le32(qp->qp_handle.lo);
p_ramrod->cq_cid = cpu_to_le32((p_hwfn->hw_info.opaque_fid << 16) |
qp->rq_cq_id);
+ p_ramrod->xrc_domain = cpu_to_le16(qp->xrcd_id);
tc = qed_roce_get_qp_tc(p_hwfn, qp);
regular_latency_queue = qed_get_cm_pq_idx_ofld_mtc(p_hwfn, tc);
@@ -395,6 +403,9 @@ static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn,
int rc;
u8 tc;
+ if (!qp->has_req)
+ return 0;
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
/* Allocate DMA-able memory for ORQ */
@@ -444,6 +455,13 @@ static int qed_roce_sp_create_requester(struct qed_hwfn *p_hwfn,
ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
qp->rnr_retry_cnt);
+ SET_FIELD(p_ramrod->flags,
+ ROCE_CREATE_QP_REQ_RAMROD_DATA_XRC_FLAG,
+ qed_rdma_is_xrc_qp(qp));
+
+ SET_FIELD(p_ramrod->flags2,
+ ROCE_CREATE_QP_REQ_RAMROD_DATA_EDPM_MODE, qp->edpm_mode);
+
p_ramrod->max_ord = qp->max_rd_atomic_req;
p_ramrod->traffic_class = qp->traffic_class_tos;
p_ramrod->hop_limit = qp->hop_limit_ttl;
@@ -517,6 +535,9 @@ static int qed_roce_sp_modify_responder(struct qed_hwfn *p_hwfn,
struct qed_spq_entry *p_ent;
int rc;
+ if (!qp->has_resp)
+ return 0;
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
if (move_to_err && !qp->resp_offloaded)
@@ -611,6 +632,9 @@ static int qed_roce_sp_modify_requester(struct qed_hwfn *p_hwfn,
struct qed_spq_entry *p_ent;
int rc;
+ if (!qp->has_req)
+ return 0;
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
if (move_to_err && !(qp->req_offloaded))
@@ -705,6 +729,11 @@ static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn,
dma_addr_t ramrod_res_phys;
int rc;
+ if (!qp->has_resp) {
+ *cq_prod = 0;
+ return 0;
+ }
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
*cq_prod = qp->cq_prod;
@@ -736,9 +765,9 @@ static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn,
p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp;
- p_ramrod_res = (struct roce_destroy_qp_resp_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, sizeof(*p_ramrod_res),
- &ramrod_res_phys, GFP_KERNEL);
+ p_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+ sizeof(*p_ramrod_res),
+ &ramrod_res_phys, GFP_KERNEL);
if (!p_ramrod_res) {
rc = -ENOMEM;
@@ -785,6 +814,9 @@ static int qed_roce_sp_destroy_qp_requester(struct qed_hwfn *p_hwfn,
dma_addr_t ramrod_res_phys;
int rc = -ENOMEM;
+ if (!qp->has_req)
+ return 0;
+
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "icid = %08x\n", qp->icid);
if (!qp->req_offloaded)
@@ -872,10 +904,10 @@ int qed_roce_query_qp(struct qed_hwfn *p_hwfn,
}
/* Send a query responder ramrod to FW to get RQ-PSN and state */
- p_resp_ramrod_res = (struct roce_query_qp_resp_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
- sizeof(*p_resp_ramrod_res),
- &resp_ramrod_res_phys, GFP_KERNEL);
+ p_resp_ramrod_res =
+ dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+ sizeof(*p_resp_ramrod_res),
+ &resp_ramrod_res_phys, GFP_KERNEL);
if (!p_resp_ramrod_res) {
DP_NOTICE(p_hwfn,
"qed query qp failed: cannot allocate memory (ramrod)\n");
@@ -920,8 +952,7 @@ int qed_roce_query_qp(struct qed_hwfn *p_hwfn,
}
/* Send a query requester ramrod to FW to get SQ-PSN and state */
- p_req_ramrod_res = (struct roce_query_qp_req_output_params *)
- dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
+ p_req_ramrod_res = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
sizeof(*p_req_ramrod_res),
&req_ramrod_res_phys,
GFP_KERNEL);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index f5f3c03b9dd2..790c28d696a0 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -160,12 +160,16 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
return 0;
}
err:
- DP_NOTICE(p_hwfn,
- "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n",
- le32_to_cpu(p_ent->elem.hdr.cid),
- p_ent->elem.hdr.cmd_id,
- p_ent->elem.hdr.protocol_id,
- le16_to_cpu(p_ent->elem.hdr.echo));
+ p_ptt = qed_ptt_acquire(p_hwfn);
+ if (!p_ptt)
+ return -EBUSY;
+ qed_hw_err_notify(p_hwfn, p_ptt, QED_HW_ERR_RAMROD_FAIL,
+ "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n",
+ le32_to_cpu(p_ent->elem.hdr.cid),
+ p_ent->elem.hdr.cmd_id,
+ p_ent->elem.hdr.protocol_id,
+ le16_to_cpu(p_ent->elem.hdr.echo));
+ qed_ptt_release(p_hwfn, p_ptt);
return -EBUSY;
}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.h b/drivers/net/ethernet/qlogic/qed/qed_sriov.h
index 368e88565783..aabeaf03135e 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.h
@@ -32,6 +32,7 @@
#ifndef _QED_SRIOV_H
#define _QED_SRIOV_H
+#include <linux/crash_dump.h>
#include <linux/types.h>
#include "qed_vf.h"
@@ -40,9 +41,12 @@
#define QED_VF_ARRAY_LENGTH (3)
#ifdef CONFIG_QED_SRIOV
-#define IS_VF(cdev) ((cdev)->b_is_vf)
-#define IS_PF(cdev) (!((cdev)->b_is_vf))
-#define IS_PF_SRIOV(p_hwfn) (!!((p_hwfn)->cdev->p_iov_info))
+#define IS_VF(cdev) (is_kdump_kernel() ? \
+ (0) : ((cdev)->b_is_vf))
+#define IS_PF(cdev) (is_kdump_kernel() ? \
+ (1) : !((cdev)->b_is_vf))
+#define IS_PF_SRIOV(p_hwfn) (is_kdump_kernel() ? \
+ (0) : !!((p_hwfn)->cdev->p_iov_info))
#else
#define IS_VF(cdev) (0)
#define IS_PF(cdev) (1)
diff --git a/drivers/net/ethernet/qlogic/qede/qede.h b/drivers/net/ethernet/qlogic/qede/qede.h
index 234c6f30effb..8857da1208d7 100644
--- a/drivers/net/ethernet/qlogic/qede/qede.h
+++ b/drivers/net/ethernet/qlogic/qede/qede.h
@@ -278,6 +278,14 @@ struct qede_dev {
struct qede_rdma_dev rdma_info;
struct bpf_prog *xdp_prog;
+
+ unsigned long err_flags;
+#define QEDE_ERR_IS_HANDLED 31
+#define QEDE_ERR_ATTN_CLR_EN 0
+#define QEDE_ERR_GET_DBG_INFO 1
+#define QEDE_ERR_IS_RECOVERABLE 2
+#define QEDE_ERR_WARN 3
+
struct qede_dump_info dump_info;
};
@@ -485,11 +493,15 @@ struct qede_fastpath {
#define QEDE_SP_RECOVERY 0
#define QEDE_SP_RX_MODE 1
+#define QEDE_SP_RSVD1 2
+#define QEDE_SP_RSVD2 3
+#define QEDE_SP_HW_ERR 4
+#define QEDE_SP_ARFS_CONFIG 5
+#define QEDE_SP_AER 7
#ifdef CONFIG_RFS_ACCEL
int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
u16 rxq_index, u32 flow_id);
-#define QEDE_SP_ARFS_CONFIG 4
#define QEDE_SP_TASK_POLL_DELAY (5 * HZ)
#endif
@@ -521,7 +533,6 @@ u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
netdev_features_t qede_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features);
-void qede_tx_log_print(struct qede_dev *edev, struct qede_fastpath *fp);
int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy);
int qede_free_tx_pkt(struct qede_dev *edev,
struct qede_tx_queue *txq, int *len);
@@ -574,12 +585,14 @@ int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
#define RX_RING_SIZE ((u16)BIT(RX_RING_SIZE_POW))
#define NUM_RX_BDS_MAX (RX_RING_SIZE - 1)
#define NUM_RX_BDS_MIN 128
+#define NUM_RX_BDS_KDUMP_MIN 63
#define NUM_RX_BDS_DEF ((u16)BIT(10) - 1)
#define TX_RING_SIZE_POW 13
#define TX_RING_SIZE ((u16)BIT(TX_RING_SIZE_POW))
#define NUM_TX_BDS_MAX (TX_RING_SIZE - 1)
#define NUM_TX_BDS_MIN 128
+#define NUM_TX_BDS_KDUMP_MIN 63
#define NUM_TX_BDS_DEF NUM_TX_BDS_MAX
#define QEDE_MIN_PKT_LEN 64
diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
index 812c7766e096..24cc68391ac4 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c
@@ -190,12 +190,14 @@ static const struct {
enum {
QEDE_PRI_FLAG_CMT,
QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */
+ QEDE_PRI_FLAG_RECOVER_ON_ERROR,
QEDE_PRI_FLAG_LEN,
};
static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
"Coupled-Function",
"SmartAN capable",
+ "Recover on error",
};
enum qede_ethtool_tests {
@@ -417,9 +419,30 @@ static u32 qede_get_priv_flags(struct net_device *dev)
if (edev->dev_info.common.smart_an)
flags |= BIT(QEDE_PRI_FLAG_SMART_AN_SUPPORT);
+ if (edev->err_flags & BIT(QEDE_ERR_IS_RECOVERABLE))
+ flags |= BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR);
+
return flags;
}
+static int qede_set_priv_flags(struct net_device *dev, u32 flags)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ u32 cflags = qede_get_priv_flags(dev);
+ u32 dflags = flags ^ cflags;
+
+ /* can only change RECOVER_ON_ERROR flag */
+ if (dflags & ~BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR))
+ return -EINVAL;
+
+ if (flags & BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR))
+ set_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags);
+ else
+ clear_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags);
+
+ return 0;
+}
+
struct qede_link_mode_mapping {
u32 qed_link_mode;
u32 ethtool_link_mode;
@@ -2098,6 +2121,7 @@ static const struct ethtool_ops qede_ethtool_ops = {
.set_phys_id = qede_set_phys_id,
.get_ethtool_stats = qede_get_ethtool_stats,
.get_priv_flags = qede_get_priv_flags,
+ .set_priv_flags = qede_set_priv_flags,
.get_sset_count = qede_get_sset_count,
.get_rxnfc = qede_get_rxnfc,
.set_rxnfc = qede_set_rxnfc,
diff --git a/drivers/net/ethernet/qlogic/qede/qede_fp.c b/drivers/net/ethernet/qlogic/qede/qede_fp.c
index c6c20776b474..7598ebe0962a 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_fp.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_fp.c
@@ -1066,6 +1066,7 @@ static bool qede_rx_xdp(struct qede_dev *edev,
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + *len;
xdp.rxq = &rxq->xdp_rxq;
+ xdp.frame_sz = rxq->rx_buf_seg_size; /* PAGE_SIZE when XDP enabled */
/* Queues always have a full reset currently, so for the time
* being until there's atomic program replace just mark read
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index 34fa3917eb33..b2d154258b07 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -29,6 +29,7 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
+#include <linux/crash_dump.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/version.h>
@@ -60,6 +61,7 @@
#include <net/ip6_checksum.h>
#include <linux/bitops.h>
#include <linux/vmalloc.h>
+#include <linux/aer.h>
#include "qede.h"
#include "qede_ptp.h"
@@ -124,6 +126,8 @@ static const struct pci_device_id qede_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, qede_pci_tbl);
static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+static pci_ers_result_t
+qede_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state);
#define TX_TIMEOUT (5 * HZ)
@@ -135,10 +139,12 @@ static void qede_shutdown(struct pci_dev *pdev);
static void qede_link_update(void *dev, struct qed_link_output *link);
static void qede_schedule_recovery_handler(void *dev);
static void qede_recovery_handler(struct qede_dev *edev);
+static void qede_schedule_hw_err_handler(void *dev,
+ enum qed_hw_err_type err_type);
static void qede_get_eth_tlv_data(void *edev, void *data);
static void qede_get_generic_tlv_data(void *edev,
struct qed_generic_tlvs *data);
-
+static void qede_generic_hw_err_handler(struct qede_dev *edev);
#ifdef CONFIG_QED_SRIOV
static int qede_set_vf_vlan(struct net_device *ndev, int vf, u16 vlan, u8 qos,
__be16 vlan_proto)
@@ -203,6 +209,10 @@ static int qede_sriov_configure(struct pci_dev *pdev, int num_vfs_param)
}
#endif
+static const struct pci_error_handlers qede_err_handler = {
+ .error_detected = qede_io_error_detected,
+};
+
static struct pci_driver qede_pci_driver = {
.name = "qede",
.id_table = qede_pci_tbl,
@@ -212,6 +222,7 @@ static struct pci_driver qede_pci_driver = {
#ifdef CONFIG_QED_SRIOV
.sriov_configure = qede_sriov_configure,
#endif
+ .err_handler = &qede_err_handler,
};
static struct qed_eth_cb_ops qede_ll_ops = {
@@ -221,6 +232,7 @@ static struct qed_eth_cb_ops qede_ll_ops = {
#endif
.link_update = qede_link_update,
.schedule_recovery_handler = qede_schedule_recovery_handler,
+ .schedule_hw_err_handler = qede_schedule_hw_err_handler,
.get_generic_tlv_data = qede_get_generic_tlv_data,
.get_protocol_tlv_data = qede_get_eth_tlv_data,
},
@@ -527,6 +539,51 @@ static int qede_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
return 0;
}
+static void qede_tx_log_print(struct qede_dev *edev, struct qede_tx_queue *txq)
+{
+ DP_NOTICE(edev,
+ "Txq[%d]: FW cons [host] %04x, SW cons %04x, SW prod %04x [Jiffies %lu]\n",
+ txq->index, le16_to_cpu(*txq->hw_cons_ptr),
+ qed_chain_get_cons_idx(&txq->tx_pbl),
+ qed_chain_get_prod_idx(&txq->tx_pbl),
+ jiffies);
+}
+
+static void qede_tx_timeout(struct net_device *dev, unsigned int txqueue)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ struct qede_tx_queue *txq;
+ int cos;
+
+ netif_carrier_off(dev);
+ DP_NOTICE(edev, "TX timeout on queue %u!\n", txqueue);
+
+ if (!(edev->fp_array[txqueue].type & QEDE_FASTPATH_TX))
+ return;
+
+ for_each_cos_in_txq(edev, cos) {
+ txq = &edev->fp_array[txqueue].txq[cos];
+
+ if (qed_chain_get_cons_idx(&txq->tx_pbl) !=
+ qed_chain_get_prod_idx(&txq->tx_pbl))
+ qede_tx_log_print(edev, txq);
+ }
+
+ if (IS_VF(edev))
+ return;
+
+ if (test_and_set_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags) ||
+ edev->state == QEDE_STATE_RECOVERY) {
+ DP_INFO(edev,
+ "Avoid handling a Tx timeout while another HW error is being handled\n");
+ return;
+ }
+
+ set_bit(QEDE_ERR_GET_DBG_INFO, &edev->err_flags);
+ set_bit(QEDE_SP_HW_ERR, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+}
+
static int qede_setup_tc(struct net_device *ndev, u8 num_tc)
{
struct qede_dev *edev = netdev_priv(ndev);
@@ -614,6 +671,7 @@ static const struct net_device_ops qede_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = qede_change_mtu,
.ndo_do_ioctl = qede_ioctl,
+ .ndo_tx_timeout = qede_tx_timeout,
#ifdef CONFIG_QED_SRIOV
.ndo_set_vf_mac = qede_set_vf_mac,
.ndo_set_vf_vlan = qede_set_vf_vlan,
@@ -707,8 +765,14 @@ static struct qede_dev *qede_alloc_etherdev(struct qed_dev *cdev,
edev->dp_module = dp_module;
edev->dp_level = dp_level;
edev->ops = qed_ops;
- edev->q_num_rx_buffers = NUM_RX_BDS_DEF;
- edev->q_num_tx_buffers = NUM_TX_BDS_DEF;
+
+ if (is_kdump_kernel()) {
+ edev->q_num_rx_buffers = NUM_RX_BDS_KDUMP_MIN;
+ edev->q_num_tx_buffers = NUM_TX_BDS_KDUMP_MIN;
+ } else {
+ edev->q_num_rx_buffers = NUM_RX_BDS_DEF;
+ edev->q_num_tx_buffers = NUM_TX_BDS_DEF;
+ }
DP_INFO(edev, "Allocated netdev with %d tx queues and %d rx queues\n",
info->num_queues, info->num_queues);
@@ -974,7 +1038,8 @@ static void qede_sp_task(struct work_struct *work)
/* SRIOV must be disabled outside the lock to avoid a deadlock.
* The recovery of the active VFs is currently not supported.
*/
- qede_sriov_configure(edev->pdev, 0);
+ if (pci_num_vf(edev->pdev))
+ qede_sriov_configure(edev->pdev, 0);
#endif
qede_lock(edev);
qede_recovery_handler(edev);
@@ -993,7 +1058,20 @@ static void qede_sp_task(struct work_struct *work)
qede_process_arfs_filters(edev, false);
}
#endif
+ if (test_and_clear_bit(QEDE_SP_HW_ERR, &edev->sp_flags))
+ qede_generic_hw_err_handler(edev);
__qede_unlock(edev);
+
+ if (test_and_clear_bit(QEDE_SP_AER, &edev->sp_flags)) {
+#ifdef CONFIG_QED_SRIOV
+ /* SRIOV must be disabled outside the lock to avoid a deadlock.
+ * The recovery of the active VFs is currently not supported.
+ */
+ if (pci_num_vf(edev->pdev))
+ qede_sriov_configure(edev->pdev, 0);
+#endif
+ edev->ops->common->recovery_process(edev->cdev);
+ }
}
static void qede_update_pf_params(struct qed_dev *cdev)
@@ -1187,7 +1265,7 @@ static int qede_probe(struct pci_dev *pdev, const struct pci_device_id *id)
case QEDE_PRIVATE_VF:
if (debug & QED_LOG_VERBOSE_MASK)
dev_err(&pdev->dev, "Probing a VF\n");
- is_vf = true;
+ is_vf = is_kdump_kernel() ? false : true;
break;
default:
if (debug & QED_LOG_VERBOSE_MASK)
@@ -1398,7 +1476,7 @@ static int qede_alloc_mem_rxq(struct qede_dev *edev, struct qede_rx_queue *rxq)
if (rxq->rx_buf_size + size > PAGE_SIZE)
rxq->rx_buf_size = PAGE_SIZE - size;
- /* Segment size to spilt a page in multiple equal parts ,
+ /* Segment size to split a page in multiple equal parts,
* unless XDP is used in which case we'd use the entire page.
*/
if (!edev->xdp_prog) {
@@ -1694,7 +1772,7 @@ static void qede_init_fp(struct qede_dev *edev)
txq->ndev_txq_id = ndev_tx_id;
if (edev->dev_info.is_legacy)
- txq->is_legacy = 1;
+ txq->is_legacy = true;
txq->dev = &edev->pdev->dev;
}
@@ -2482,6 +2560,100 @@ err:
qede_recovery_failed(edev);
}
+static void qede_atomic_hw_err_handler(struct qede_dev *edev)
+{
+ struct qed_dev *cdev = edev->cdev;
+
+ DP_NOTICE(edev,
+ "Generic non-sleepable HW error handling started - err_flags 0x%lx\n",
+ edev->err_flags);
+
+ /* Get a call trace of the flow that led to the error */
+ WARN_ON(test_bit(QEDE_ERR_WARN, &edev->err_flags));
+
+ /* Prevent HW attentions from being reasserted */
+ if (test_bit(QEDE_ERR_ATTN_CLR_EN, &edev->err_flags))
+ edev->ops->common->attn_clr_enable(cdev, true);
+
+ DP_NOTICE(edev, "Generic non-sleepable HW error handling is done\n");
+}
+
+static void qede_generic_hw_err_handler(struct qede_dev *edev)
+{
+ struct qed_dev *cdev = edev->cdev;
+
+ DP_NOTICE(edev,
+ "Generic sleepable HW error handling started - err_flags 0x%lx\n",
+ edev->err_flags);
+
+ /* Trigger a recovery process.
+ * This is placed in the sleep requiring section just to make
+ * sure it is the last one, and that all the other operations
+ * were completed.
+ */
+ if (test_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags))
+ edev->ops->common->recovery_process(cdev);
+
+ clear_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags);
+
+ DP_NOTICE(edev, "Generic sleepable HW error handling is done\n");
+}
+
+static void qede_set_hw_err_flags(struct qede_dev *edev,
+ enum qed_hw_err_type err_type)
+{
+ unsigned long err_flags = 0;
+
+ switch (err_type) {
+ case QED_HW_ERR_DMAE_FAIL:
+ set_bit(QEDE_ERR_WARN, &err_flags);
+ fallthrough;
+ case QED_HW_ERR_MFW_RESP_FAIL:
+ case QED_HW_ERR_HW_ATTN:
+ case QED_HW_ERR_RAMROD_FAIL:
+ case QED_HW_ERR_FW_ASSERT:
+ set_bit(QEDE_ERR_ATTN_CLR_EN, &err_flags);
+ set_bit(QEDE_ERR_GET_DBG_INFO, &err_flags);
+ break;
+
+ default:
+ DP_NOTICE(edev, "Unexpected HW error [%d]\n", err_type);
+ break;
+ }
+
+ edev->err_flags |= err_flags;
+}
+
+static void qede_schedule_hw_err_handler(void *dev,
+ enum qed_hw_err_type err_type)
+{
+ struct qede_dev *edev = dev;
+
+ /* Fan failure cannot be masked by handling of another HW error or by a
+ * concurrent recovery process.
+ */
+ if ((test_and_set_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags) ||
+ edev->state == QEDE_STATE_RECOVERY) &&
+ err_type != QED_HW_ERR_FAN_FAIL) {
+ DP_INFO(edev,
+ "Avoid scheduling an error handling while another HW error is being handled\n");
+ return;
+ }
+
+ if (err_type >= QED_HW_ERR_LAST) {
+ DP_NOTICE(edev, "Unknown HW error [%d]\n", err_type);
+ clear_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags);
+ return;
+ }
+
+ qede_set_hw_err_flags(edev, err_type);
+ qede_atomic_hw_err_handler(edev);
+ set_bit(QEDE_SP_HW_ERR, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+
+ DP_INFO(edev, "Scheduled a error handler [err_type %d]\n", err_type);
+}
+
static bool qede_is_txq_full(struct qede_dev *edev, struct qede_tx_queue *txq)
{
struct netdev_queue *netdev_txq;
@@ -2579,3 +2751,49 @@ static void qede_get_eth_tlv_data(void *dev, void *data)
etlv->num_txqs_full_set = true;
etlv->num_rxqs_full_set = true;
}
+
+/**
+ * qede_io_error_detected - called when PCI error is detected
+ * @pdev: Pointer to PCI device
+ * @state: The current pci connection state
+ *
+ * This function is called after a PCI bus error affecting
+ * this device has been detected.
+ */
+static pci_ers_result_t
+qede_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct qede_dev *edev = netdev_priv(dev);
+
+ if (!edev)
+ return PCI_ERS_RESULT_NONE;
+
+ DP_NOTICE(edev, "IO error detected [%d]\n", state);
+
+ __qede_lock(edev);
+ if (edev->state == QEDE_STATE_RECOVERY) {
+ DP_NOTICE(edev, "Device already in the recovery state\n");
+ __qede_unlock(edev);
+ return PCI_ERS_RESULT_NONE;
+ }
+
+ /* PF handles the recovery of its VFs */
+ if (IS_VF(edev)) {
+ DP_VERBOSE(edev, QED_MSG_IOV,
+ "VF recovery is handled by its PF\n");
+ __qede_unlock(edev);
+ return PCI_ERS_RESULT_RECOVERED;
+ }
+
+ /* Close OS Tx */
+ netif_tx_disable(edev->ndev);
+ netif_carrier_off(edev->ndev);
+
+ set_bit(QEDE_SP_AER, &edev->sp_flags);
+ schedule_delayed_work(&edev->sp_task, 0);
+
+ __qede_unlock(edev);
+
+ return PCI_ERS_RESULT_CAN_RECOVER;
+}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 134611aa2c9a..d838774af5a6 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -1880,12 +1880,6 @@ static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf,
adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size);
}
-static inline int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter,
- ulong off, u32 data)
-{
- return adapter->ahw->hw_ops->write_reg(adapter, off, data);
-}
-
static inline int qlcnic_get_mac_address(struct qlcnic_adapter *adapter,
u8 *mac, u8 function)
{
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 2a533280b124..29b9c728a65e 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3651,7 +3651,7 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev)
ahw->diag_cnt = 0;
ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
if (ret)
- goto fail_diag_irq;
+ goto fail_mbx_args;
if (adapter->flags & QLCNIC_MSIX_ENABLED)
intrpt_id = ahw->intr_tbl[0].id;
@@ -3681,6 +3681,8 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev)
done:
qlcnic_free_mbx_args(&cmd);
+
+fail_mbx_args:
qlcnic_83xx_diag_free_res(netdev, drv_sds_rings);
fail_diag_irq:
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index f7c2f32237cb..7adbb03cb931 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -1582,10 +1582,10 @@ void qlcnic_sriov_vf_set_multi(struct net_device *netdev)
if (mode == VPORT_MISS_MODE_ACCEPT_ALL &&
!adapter->fdb_mac_learn) {
qlcnic_alloc_lb_filters_mem(adapter);
- adapter->drv_mac_learn = 1;
+ adapter->drv_mac_learn = true;
adapter->rx_mac_learn = true;
} else {
- adapter->drv_mac_learn = 0;
+ adapter->drv_mac_learn = false;
adapter->rx_mac_learn = false;
}
}
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
index 251d4ac4af02..117188e3c7de 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
@@ -1431,8 +1431,9 @@ error:
}
/* Transmit the packet using specified transmit queue */
-int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q,
- struct sk_buff *skb)
+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt,
+ struct emac_tx_queue *tx_q,
+ struct sk_buff *skb)
{
struct emac_tpd tpd;
u32 prod_idx;
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.h b/drivers/net/ethernet/qualcomm/emac/emac-mac.h
index ae08bdd9046c..920123eb8ace 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac-mac.h
+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.h
@@ -227,8 +227,9 @@ void emac_mac_stop(struct emac_adapter *adpt);
void emac_mac_mode_config(struct emac_adapter *adpt);
void emac_mac_rx_process(struct emac_adapter *adpt, struct emac_rx_queue *rx_q,
int *num_pkts, int max_pkts);
-int emac_mac_tx_buf_send(struct emac_adapter *adpt, struct emac_tx_queue *tx_q,
- struct sk_buff *skb);
+netdev_tx_t emac_mac_tx_buf_send(struct emac_adapter *adpt,
+ struct emac_tx_queue *tx_q,
+ struct sk_buff *skb);
void emac_mac_tx_process(struct emac_adapter *adpt, struct emac_tx_queue *tx_q);
void emac_mac_rx_tx_ring_init_all(struct platform_device *pdev,
struct emac_adapter *adpt);
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c
index 18b0c7a2d6dc..20b1b43a0e39 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac.c
@@ -115,7 +115,8 @@ static int emac_napi_rtx(struct napi_struct *napi, int budget)
}
/* Transmit the packet */
-static int emac_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+static netdev_tx_t emac_start_xmit(struct sk_buff *skb,
+ struct net_device *netdev)
{
struct emac_adapter *adpt = netdev_priv(netdev);
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 60d342f82fb3..e291e6ac40cb 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -2054,10 +2054,9 @@ static void cp_remove_one (struct pci_dev *pdev)
free_netdev(dev);
}
-#ifdef CONFIG_PM
-static int cp_suspend (struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused cp_suspend(struct device *device)
{
- struct net_device *dev = pci_get_drvdata(pdev);
+ struct net_device *dev = dev_get_drvdata(device);
struct cp_private *cp = netdev_priv(dev);
unsigned long flags;
@@ -2075,16 +2074,14 @@ static int cp_suspend (struct pci_dev *pdev, pm_message_t state)
spin_unlock_irqrestore (&cp->lock, flags);
- pci_save_state(pdev);
- pci_enable_wake(pdev, pci_choose_state(pdev, state), cp->wol_enabled);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ device_set_wakeup_enable(device, cp->wol_enabled);
return 0;
}
-static int cp_resume (struct pci_dev *pdev)
+static int __maybe_unused cp_resume(struct device *device)
{
- struct net_device *dev = pci_get_drvdata (pdev);
+ struct net_device *dev = dev_get_drvdata(device);
struct cp_private *cp = netdev_priv(dev);
unsigned long flags;
@@ -2093,10 +2090,6 @@ static int cp_resume (struct pci_dev *pdev)
netif_device_attach (dev);
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
- pci_enable_wake(pdev, PCI_D0, 0);
-
/* FIXME: sh*t may happen if the Rx ring buffer is depleted */
cp_init_rings_index (cp);
cp_init_hw (cp);
@@ -2111,7 +2104,6 @@ static int cp_resume (struct pci_dev *pdev)
return 0;
}
-#endif /* CONFIG_PM */
static const struct pci_device_id cp_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, PCI_DEVICE_ID_REALTEK_8139), },
@@ -2120,15 +2112,14 @@ static const struct pci_device_id cp_pci_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, cp_pci_tbl);
+static SIMPLE_DEV_PM_OPS(cp_pm_ops, cp_suspend, cp_resume);
+
static struct pci_driver cp_driver = {
.name = DRV_NAME,
.id_table = cp_pci_tbl,
.probe = cp_init_one,
.remove = cp_remove_one,
-#ifdef CONFIG_PM
- .resume = cp_resume,
- .suspend = cp_suspend,
-#endif
+ .driver.pm = &cp_pm_ops,
};
module_pci_driver(cp_driver);
diff --git a/drivers/net/ethernet/realtek/8139too.c b/drivers/net/ethernet/realtek/8139too.c
index 5caeb8368eab..227139d42227 100644
--- a/drivers/net/ethernet/realtek/8139too.c
+++ b/drivers/net/ethernet/realtek/8139too.c
@@ -2603,17 +2603,13 @@ static void rtl8139_set_rx_mode (struct net_device *dev)
spin_unlock_irqrestore (&tp->lock, flags);
}
-#ifdef CONFIG_PM
-
-static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused rtl8139_suspend(struct device *device)
{
- struct net_device *dev = pci_get_drvdata (pdev);
+ struct net_device *dev = dev_get_drvdata(device);
struct rtl8139_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
unsigned long flags;
- pci_save_state (pdev);
-
if (!netif_running (dev))
return 0;
@@ -2631,38 +2627,30 @@ static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)
spin_unlock_irqrestore (&tp->lock, flags);
- pci_set_power_state (pdev, PCI_D3hot);
-
return 0;
}
-
-static int rtl8139_resume (struct pci_dev *pdev)
+static int __maybe_unused rtl8139_resume(struct device *device)
{
- struct net_device *dev = pci_get_drvdata (pdev);
+ struct net_device *dev = dev_get_drvdata(device);
- pci_restore_state (pdev);
if (!netif_running (dev))
return 0;
- pci_set_power_state (pdev, PCI_D0);
+
rtl8139_init_ring (dev);
rtl8139_hw_start (dev);
netif_device_attach (dev);
return 0;
}
-#endif /* CONFIG_PM */
-
+static SIMPLE_DEV_PM_OPS(rtl8139_pm_ops, rtl8139_suspend, rtl8139_resume);
static struct pci_driver rtl8139_pci_driver = {
.name = DRV_NAME,
.id_table = rtl8139_pci_tbl,
.probe = rtl8139_init_one,
.remove = rtl8139_remove_one,
-#ifdef CONFIG_PM
- .suspend = rtl8139_suspend,
- .resume = rtl8139_resume,
-#endif /* CONFIG_PM */
+ .driver.pm = &rtl8139_pm_ops,
};
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index bf5bf05970a2..4d2ec9742cee 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -10,7 +10,6 @@
*/
#include <linux/module.h>
-#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -19,7 +18,6 @@
#include <linux/ethtool.h>
#include <linux/phy.h>
#include <linux/if_vlan.h>
-#include <linux/crc32.h>
#include <linux/in.h>
#include <linux/io.h>
#include <linux/ip.h>
@@ -27,6 +25,7 @@
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/pm_runtime.h>
+#include <linux/bitfield.h>
#include <linux/prefetch.h>
#include <linux/ipv6.h>
#include <net/ip6_checksum.h>
@@ -58,9 +57,6 @@
#define FIRMWARE_8107E_2 "rtl_nic/rtl8107e-2.fw"
#define FIRMWARE_8125A_3 "rtl_nic/rtl8125a-3.fw"
-#define R8169_MSG_DEFAULT \
- (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
-
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
The RTL chips use a 64 element hash table based on the Ethernet CRC. */
#define MC_FILTER_LIMIT 32
@@ -75,6 +71,8 @@
#define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
#define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
+#define OCP_STD_PHY_BASE 0xa400
+
#define RTL_CFG_NO_GBIT 1
/* write/read MMIO register */
@@ -85,10 +83,10 @@
#define RTL_R16(tp, reg) readw(tp->mmio_addr + (reg))
#define RTL_R32(tp, reg) readl(tp->mmio_addr + (reg))
-#define JUMBO_4K (4*1024 - ETH_HLEN - 2)
-#define JUMBO_6K (6*1024 - ETH_HLEN - 2)
-#define JUMBO_7K (7*1024 - ETH_HLEN - 2)
-#define JUMBO_9K (9*1024 - ETH_HLEN - 2)
+#define JUMBO_4K (4 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_6K (6 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_7K (7 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
+#define JUMBO_9K (9 * SZ_1K - VLAN_ETH_HLEN - ETH_FCS_LEN)
static const struct {
const char *name;
@@ -176,10 +174,6 @@ static const struct pci_device_id rtl8169_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
-static struct {
- u32 msg_enable;
-} debug = { -1 };
-
enum rtl_registers {
MAC0 = 0, /* Ethernet hardware address. */
MAC4 = 4,
@@ -227,10 +221,13 @@ enum rtl_registers {
CPlusCmd = 0xe0,
IntrMitigate = 0xe2,
-#define RTL_COALESCE_MASK 0x0f
-#define RTL_COALESCE_SHIFT 4
-#define RTL_COALESCE_T_MAX (RTL_COALESCE_MASK)
-#define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_MASK << 2)
+#define RTL_COALESCE_TX_USECS GENMASK(15, 12)
+#define RTL_COALESCE_TX_FRAMES GENMASK(11, 8)
+#define RTL_COALESCE_RX_USECS GENMASK(7, 4)
+#define RTL_COALESCE_RX_FRAMES GENMASK(3, 0)
+
+#define RTL_COALESCE_T_MAX 0x0fU
+#define RTL_COALESCE_FRAME_MAX (RTL_COALESCE_T_MAX * 4)
RxDescAddrLow = 0xe4,
RxDescAddrHigh = 0xe8,
@@ -386,10 +383,12 @@ enum rtl_register_content {
/* rx_mode_bits */
AcceptErr = 0x20,
AcceptRunt = 0x10,
+#define RX_CONFIG_ACCEPT_ERR_MASK 0x30
AcceptBroadcast = 0x08,
AcceptMulticast = 0x04,
AcceptMyPhys = 0x02,
AcceptAllPhys = 0x01,
+#define RX_CONFIG_ACCEPT_OK_MASK 0x0f
#define RX_CONFIG_ACCEPT_MASK 0x3f
/* TxConfigBits */
@@ -596,7 +595,6 @@ struct rtl8169_private {
struct net_device *dev;
struct phy_device *phydev;
struct napi_struct napi;
- u32 msg_enable;
enum mac_version mac_version;
u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
@@ -638,8 +636,6 @@ typedef void (*rtl_generic_fct)(struct rtl8169_private *tp);
MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
-module_param_named(debug, debug.msg_enable, int, 0);
-MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
MODULE_SOFTDEP("pre: realtek");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(FIRMWARE_8168D_1);
@@ -727,53 +723,35 @@ struct rtl_cond {
const char *msg;
};
-static void rtl_udelay(unsigned int d)
-{
- udelay(d);
-}
-
static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
- void (*delay)(unsigned int), unsigned int d, int n,
- bool high)
+ unsigned long usecs, int n, bool high)
{
int i;
for (i = 0; i < n; i++) {
if (c->check(tp) == high)
return true;
- delay(d);
+ fsleep(usecs);
}
- netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
- c->msg, !high, n, d);
- return false;
-}
-static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
- const struct rtl_cond *c,
- unsigned int d, int n)
-{
- return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
-}
-
-static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
- const struct rtl_cond *c,
- unsigned int d, int n)
-{
- return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
+ if (net_ratelimit())
+ netdev_err(tp->dev, "%s == %d (loop: %d, delay: %lu).\n",
+ c->msg, !high, n, usecs);
+ return false;
}
-static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
- const struct rtl_cond *c,
- unsigned int d, int n)
+static bool rtl_loop_wait_high(struct rtl8169_private *tp,
+ const struct rtl_cond *c,
+ unsigned long d, int n)
{
- return rtl_loop_wait(tp, c, msleep, d, n, true);
+ return rtl_loop_wait(tp, c, d, n, true);
}
-static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
- const struct rtl_cond *c,
- unsigned int d, int n)
+static bool rtl_loop_wait_low(struct rtl8169_private *tp,
+ const struct rtl_cond *c,
+ unsigned long d, int n)
{
- return rtl_loop_wait(tp, c, msleep, d, n, false);
+ return rtl_loop_wait(tp, c, d, n, false);
}
#define DECLARE_RTL_COND(name) \
@@ -789,7 +767,8 @@ static bool name ## _check(struct rtl8169_private *tp)
static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
{
if (reg & 0xffff0001) {
- netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
+ if (net_ratelimit())
+ netdev_err(tp->dev, "Invalid ocp reg %x!\n", reg);
return true;
}
return false;
@@ -807,7 +786,7 @@ static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
- rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
+ rtl_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
}
static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
@@ -817,7 +796,7 @@ static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
RTL_W32(tp, GPHY_OCP, reg << 15);
- return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
+ return rtl_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
(RTL_R32(tp, GPHY_OCP) & 0xffff) : -ETIMEDOUT;
}
@@ -847,8 +826,6 @@ static void r8168_mac_ocp_modify(struct rtl8169_private *tp, u32 reg, u16 mask,
r8168_mac_ocp_write(tp, reg, (data & ~mask) | set);
}
-#define OCP_STD_PHY_BASE 0xa400
-
static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
{
if (reg == 0x1f) {
@@ -897,7 +874,7 @@ static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
{
RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
- rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
+ rtl_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
/*
* According to hardware specs a 20us delay is required after write
* complete indication, but before sending next command.
@@ -911,7 +888,7 @@ static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16);
- value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
+ value = rtl_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
RTL_R32(tp, PHYAR) & 0xffff : -ETIMEDOUT;
/*
@@ -934,7 +911,7 @@ static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD);
RTL_W32(tp, EPHY_RXER_NUM, 0);
- rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
+ rtl_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
}
static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
@@ -951,7 +928,7 @@ static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD);
RTL_W32(tp, EPHY_RXER_NUM, 0);
- return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
+ return rtl_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : -ETIMEDOUT;
}
@@ -1037,7 +1014,7 @@ static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
(reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
- rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
+ rtl_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
udelay(10);
}
@@ -1046,10 +1023,17 @@ static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
{
RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
- return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
+ return rtl_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0;
}
+static void r8168fp_adjust_ocp_cmd(struct rtl8169_private *tp, u32 *cmd, int type)
+{
+ /* based on RTL8168FP_OOBMAC_BASE in vendor driver */
+ if (tp->mac_version == RTL_GIGA_MAC_VER_52 && type == ERIAR_OOB)
+ *cmd |= 0x7f0 << 18;
+}
+
DECLARE_RTL_COND(rtl_eriar_cond)
{
return RTL_R32(tp, ERIAR) & ERIAR_FLAG;
@@ -1058,11 +1042,14 @@ DECLARE_RTL_COND(rtl_eriar_cond)
static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
u32 val, int type)
{
+ u32 cmd = ERIAR_WRITE_CMD | type | mask | addr;
+
BUG_ON((addr & 3) || (mask == 0));
RTL_W32(tp, ERIDR, val);
- RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
+ r8168fp_adjust_ocp_cmd(tp, &cmd, type);
+ RTL_W32(tp, ERIAR, cmd);
- rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
+ rtl_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
}
static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
@@ -1073,9 +1060,12 @@ static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
{
- RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
+ u32 cmd = ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr;
+
+ r8168fp_adjust_ocp_cmd(tp, &cmd, type);
+ RTL_W32(tp, ERIAR, cmd);
- return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
+ return rtl_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
RTL_R32(tp, ERIDR) : ~0;
}
@@ -1084,35 +1074,31 @@ static u32 rtl_eri_read(struct rtl8169_private *tp, int addr)
return _rtl_eri_read(tp, addr, ERIAR_EXGMAC);
}
-static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
- u32 m)
+static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 p, u32 m)
{
- u32 val;
+ u32 val = rtl_eri_read(tp, addr);
- val = rtl_eri_read(tp, addr);
- rtl_eri_write(tp, addr, mask, (val & ~m) | p);
+ rtl_eri_write(tp, addr, ERIAR_MASK_1111, (val & ~m) | p);
}
-static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 mask,
- u32 p)
+static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 p)
{
- rtl_w0w1_eri(tp, addr, mask, p, 0);
+ rtl_w0w1_eri(tp, addr, p, 0);
}
-static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 mask,
- u32 m)
+static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 m)
{
- rtl_w0w1_eri(tp, addr, mask, 0, m);
+ rtl_w0w1_eri(tp, addr, 0, m);
}
-static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
+static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u16 reg)
{
- RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
- return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
+ RTL_W32(tp, OCPAR, 0x0fu << 12 | (reg & 0x0fff));
+ return rtl_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
RTL_R32(tp, OCPDR) : ~0;
}
-static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
+static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u16 reg)
{
return _rtl_eri_read(tp, reg, ERIAR_OOB);
}
@@ -1122,7 +1108,7 @@ static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
{
RTL_W32(tp, OCPDR, data);
RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
- rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
+ rtl_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
}
static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
@@ -1154,12 +1140,12 @@ DECLARE_RTL_COND(rtl_dp_ocp_read_cond)
reg = rtl8168_get_ocp_reg(tp);
- return r8168dp_ocp_read(tp, 0x0f, reg) & 0x00000800;
+ return r8168dp_ocp_read(tp, reg) & 0x00000800;
}
DECLARE_RTL_COND(rtl_ep_ocp_read_cond)
{
- return r8168ep_ocp_read(tp, 0x0f, 0x124) & 0x00000001;
+ return r8168ep_ocp_read(tp, 0x124) & 0x00000001;
}
DECLARE_RTL_COND(rtl_ocp_tx_cond)
@@ -1170,7 +1156,7 @@ DECLARE_RTL_COND(rtl_ocp_tx_cond)
static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
{
RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01);
- rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
+ rtl_loop_wait_high(tp, &rtl_ocp_tx_cond, 50000, 2000);
RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20);
RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
}
@@ -1178,15 +1164,14 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
static void rtl8168dp_driver_start(struct rtl8169_private *tp)
{
r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
- rtl_msleep_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10, 10);
+ rtl_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10000, 10);
}
static void rtl8168ep_driver_start(struct rtl8169_private *tp)
{
r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
- r8168ep_ocp_write(tp, 0x01, 0x30,
- r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
- rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10);
+ r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
+ rtl_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10000, 10);
}
static void rtl8168_driver_start(struct rtl8169_private *tp)
@@ -1209,16 +1194,15 @@ static void rtl8168_driver_start(struct rtl8169_private *tp)
static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
{
r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
- rtl_msleep_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10, 10);
+ rtl_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10000, 10);
}
static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
{
rtl8168ep_stop_cmac(tp);
r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
- r8168ep_ocp_write(tp, 0x01, 0x30,
- r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
- rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10);
+ r8168ep_ocp_write(tp, 0x01, 0x30, r8168ep_ocp_read(tp, 0x30) | 0x01);
+ rtl_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10000, 10);
}
static void rtl8168_driver_stop(struct rtl8169_private *tp)
@@ -1242,12 +1226,12 @@ static bool r8168dp_check_dash(struct rtl8169_private *tp)
{
u16 reg = rtl8168_get_ocp_reg(tp);
- return !!(r8168dp_ocp_read(tp, 0x0f, reg) & 0x00008000);
+ return !!(r8168dp_ocp_read(tp, reg) & 0x00008000);
}
static bool r8168ep_check_dash(struct rtl8169_private *tp)
{
- return !!(r8168ep_ocp_read(tp, 0x0f, 0x128) & 0x00000001);
+ return r8168ep_ocp_read(tp, 0x128) & 0x00000001;
}
static bool r8168_check_dash(struct rtl8169_private *tp)
@@ -1266,8 +1250,8 @@ static bool r8168_check_dash(struct rtl8169_private *tp)
static void rtl_reset_packet_filter(struct rtl8169_private *tp)
{
- rtl_eri_clear_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
- rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
+ rtl_eri_clear_bits(tp, 0xdc, BIT(0));
+ rtl_eri_set_bits(tp, 0xdc, BIT(0));
}
DECLARE_RTL_COND(rtl_efusear_cond)
@@ -1279,7 +1263,7 @@ u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
{
RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
- return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
+ return rtl_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
}
@@ -1394,11 +1378,9 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
if (rtl_is_8168evl_up(tp)) {
tmp--;
if (wolopts & WAKE_MAGIC)
- rtl_eri_set_bits(tp, 0x0dc, ERIAR_MASK_0100,
- MagicPacket_v2);
+ rtl_eri_set_bits(tp, 0x0dc, MagicPacket_v2);
else
- rtl_eri_clear_bits(tp, 0x0dc, ERIAR_MASK_0100,
- MagicPacket_v2);
+ rtl_eri_clear_bits(tp, 0x0dc, MagicPacket_v2);
} else if (rtl_is_8125(tp)) {
tmp--;
if (wolopts & WAKE_MAGIC)
@@ -1423,7 +1405,7 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
break;
case RTL_GIGA_MAC_VER_34:
case RTL_GIGA_MAC_VER_37:
- case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_52:
+ case RTL_GIGA_MAC_VER_39 ... RTL_GIGA_MAC_VER_61:
options = RTL_R8(tp, Config2) & ~PME_SIGNAL;
if (wolopts)
options |= PME_SIGNAL;
@@ -1497,19 +1479,15 @@ static netdev_features_t rtl8169_fix_features(struct net_device *dev,
return features;
}
-static int rtl8169_set_features(struct net_device *dev,
- netdev_features_t features)
+static void rtl_set_rx_config_features(struct rtl8169_private *tp,
+ netdev_features_t features)
{
- struct rtl8169_private *tp = netdev_priv(dev);
- u32 rx_config;
+ u32 rx_config = RTL_R32(tp, RxConfig);
- rtl_lock_work(tp);
-
- rx_config = RTL_R32(tp, RxConfig);
if (features & NETIF_F_RXALL)
- rx_config |= (AcceptErr | AcceptRunt);
+ rx_config |= RX_CONFIG_ACCEPT_ERR_MASK;
else
- rx_config &= ~(AcceptErr | AcceptRunt);
+ rx_config &= ~RX_CONFIG_ACCEPT_ERR_MASK;
if (rtl_is_8125(tp)) {
if (features & NETIF_F_HW_VLAN_CTAG_RX)
@@ -1519,6 +1497,16 @@ static int rtl8169_set_features(struct net_device *dev,
}
RTL_W32(tp, RxConfig, rx_config);
+}
+
+static int rtl8169_set_features(struct net_device *dev,
+ netdev_features_t features)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+
+ rtl_lock_work(tp);
+
+ rtl_set_rx_config_features(tp, features);
if (features & NETIF_F_RXCSUM)
tp->cp_cmd |= RxChkSum;
@@ -1568,20 +1556,6 @@ static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
rtl_unlock_work(tp);
}
-static u32 rtl8169_get_msglevel(struct net_device *dev)
-{
- struct rtl8169_private *tp = netdev_priv(dev);
-
- return tp->msg_enable;
-}
-
-static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
-{
- struct rtl8169_private *tp = netdev_priv(dev);
-
- tp->msg_enable = value;
-}
-
static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
"tx_packets",
"rx_packets",
@@ -1613,7 +1587,7 @@ DECLARE_RTL_COND(rtl_counters_cond)
return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump);
}
-static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
+static void rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
{
dma_addr_t paddr = tp->counters_phys_addr;
u32 cmd;
@@ -1624,22 +1598,20 @@ static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
RTL_W32(tp, CounterAddrLow, cmd);
RTL_W32(tp, CounterAddrLow, cmd | counter_cmd);
- return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
+ rtl_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
}
-static bool rtl8169_reset_counters(struct rtl8169_private *tp)
+static void rtl8169_reset_counters(struct rtl8169_private *tp)
{
/*
* Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the
* tally counters.
*/
- if (tp->mac_version < RTL_GIGA_MAC_VER_19)
- return true;
-
- return rtl8169_do_counters(tp, CounterReset);
+ if (tp->mac_version >= RTL_GIGA_MAC_VER_19)
+ rtl8169_do_counters(tp, CounterReset);
}
-static bool rtl8169_update_counters(struct rtl8169_private *tp)
+static void rtl8169_update_counters(struct rtl8169_private *tp)
{
u8 val = RTL_R8(tp, ChipCmd);
@@ -1647,16 +1619,13 @@ static bool rtl8169_update_counters(struct rtl8169_private *tp)
* Some chips are unable to dump tally counters when the receiver
* is disabled. If 0xff chip may be in a PCI power-save state.
*/
- if (!(val & CmdRxEnb) || val == 0xff)
- return true;
-
- return rtl8169_do_counters(tp, CounterDump);
+ if (val & CmdRxEnb && val != 0xff)
+ rtl8169_do_counters(tp, CounterDump);
}
-static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp)
+static void rtl8169_init_counter_offsets(struct rtl8169_private *tp)
{
struct rtl8169_counters *counters = tp->counters;
- bool ret = false;
/*
* rtl8169_init_counter_offsets is called from rtl_open. On chip
@@ -1674,22 +1643,16 @@ static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp)
*/
if (tp->tc_offset.inited)
- return true;
-
- /* If both, reset and update fail, propagate to caller. */
- if (rtl8169_reset_counters(tp))
- ret = true;
+ return;
- if (rtl8169_update_counters(tp))
- ret = true;
+ rtl8169_reset_counters(tp);
+ rtl8169_update_counters(tp);
tp->tc_offset.tx_errors = counters->tx_errors;
tp->tc_offset.tx_multi_collision = counters->tx_multi_collision;
tp->tc_offset.tx_aborted = counters->tx_aborted;
tp->tc_offset.rx_missed = counters->rx_missed;
tp->tc_offset.inited = true;
-
- return ret;
}
static void rtl8169_get_ethtool_stats(struct net_device *dev,
@@ -1760,46 +1723,34 @@ static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
* 1 1 160us 81.92us 1.31ms
*/
-/* rx/tx scale factors for one particular CPlusCmd[0:1] value */
-struct rtl_coalesce_scale {
- /* Rx / Tx */
- u32 nsecs[2];
-};
-
/* rx/tx scale factors for all CPlusCmd[0:1] cases */
struct rtl_coalesce_info {
u32 speed;
- struct rtl_coalesce_scale scalev[4]; /* each CPlusCmd[0:1] case */
+ u32 scale_nsecs[4];
};
-/* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */
-#define rxtx_x1822(r, t) { \
- {{(r), (t)}}, \
- {{(r)*8, (t)*8}}, \
- {{(r)*8*2, (t)*8*2}}, \
- {{(r)*8*2*2, (t)*8*2*2}}, \
-}
+/* produce array with base delay *1, *8, *8*2, *8*2*2 */
+#define COALESCE_DELAY(d) { (d), 8 * (d), 16 * (d), 32 * (d) }
+
static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = {
- /* speed delays: rx00 tx00 */
- { SPEED_10, rxtx_x1822(40960, 40960) },
- { SPEED_100, rxtx_x1822( 2560, 2560) },
- { SPEED_1000, rxtx_x1822( 320, 320) },
+ { SPEED_10, COALESCE_DELAY(40960) },
+ { SPEED_100, COALESCE_DELAY(2560) },
+ { SPEED_1000, COALESCE_DELAY(320) },
{ 0 },
};
static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = {
- /* speed delays: rx00 tx00 */
- { SPEED_10, rxtx_x1822(40960, 40960) },
- { SPEED_100, rxtx_x1822( 2560, 2560) },
- { SPEED_1000, rxtx_x1822( 5000, 5000) },
+ { SPEED_10, COALESCE_DELAY(40960) },
+ { SPEED_100, COALESCE_DELAY(2560) },
+ { SPEED_1000, COALESCE_DELAY(5000) },
{ 0 },
};
-#undef rxtx_x1822
+#undef COALESCE_DELAY
/* get rx/tx scale vector corresponding to current speed */
-static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev)
+static const struct rtl_coalesce_info *
+rtl_coalesce_info(struct rtl8169_private *tp)
{
- struct rtl8169_private *tp = netdev_priv(dev);
const struct rtl_coalesce_info *ci;
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
@@ -1819,16 +1770,8 @@ static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
{
struct rtl8169_private *tp = netdev_priv(dev);
const struct rtl_coalesce_info *ci;
- const struct rtl_coalesce_scale *scale;
- struct {
- u32 *max_frames;
- u32 *usecs;
- } coal_settings [] = {
- { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs },
- { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs }
- }, *p = coal_settings;
- int i;
- u16 w;
+ u32 scale, c_us, c_fr;
+ u16 intrmit;
if (rtl_is_8125(tp))
return -EOPNOTSUPP;
@@ -1836,111 +1779,111 @@ static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
memset(ec, 0, sizeof(*ec));
/* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */
- ci = rtl_coalesce_info(dev);
+ ci = rtl_coalesce_info(tp);
if (IS_ERR(ci))
return PTR_ERR(ci);
- scale = &ci->scalev[tp->cp_cmd & INTT_MASK];
+ scale = ci->scale_nsecs[tp->cp_cmd & INTT_MASK];
- /* read IntrMitigate and adjust according to scale */
- for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) {
- *p->max_frames = (w & RTL_COALESCE_MASK) << 2;
- w >>= RTL_COALESCE_SHIFT;
- *p->usecs = w & RTL_COALESCE_MASK;
- }
+ intrmit = RTL_R16(tp, IntrMitigate);
- for (i = 0; i < 2; i++) {
- p = coal_settings + i;
- *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000;
+ c_us = FIELD_GET(RTL_COALESCE_TX_USECS, intrmit);
+ ec->tx_coalesce_usecs = DIV_ROUND_UP(c_us * scale, 1000);
- /*
- * ethtool_coalesce says it is illegal to set both usecs and
- * max_frames to 0.
- */
- if (!*p->usecs && !*p->max_frames)
- *p->max_frames = 1;
- }
+ c_fr = FIELD_GET(RTL_COALESCE_TX_FRAMES, intrmit);
+ /* ethtool_coalesce states usecs and max_frames must not both be 0 */
+ ec->tx_max_coalesced_frames = (c_us || c_fr) ? c_fr * 4 : 1;
+
+ c_us = FIELD_GET(RTL_COALESCE_RX_USECS, intrmit);
+ ec->rx_coalesce_usecs = DIV_ROUND_UP(c_us * scale, 1000);
+
+ c_fr = FIELD_GET(RTL_COALESCE_RX_FRAMES, intrmit);
+ ec->rx_max_coalesced_frames = (c_us || c_fr) ? c_fr * 4 : 1;
return 0;
}
-/* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */
-static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale(
- struct net_device *dev, u32 nsec, u16 *cp01)
+/* choose appropriate scale factor and CPlusCmd[0:1] for (speed, usec) */
+static int rtl_coalesce_choose_scale(struct rtl8169_private *tp, u32 usec,
+ u16 *cp01)
{
const struct rtl_coalesce_info *ci;
u16 i;
- ci = rtl_coalesce_info(dev);
+ ci = rtl_coalesce_info(tp);
if (IS_ERR(ci))
- return ERR_CAST(ci);
+ return PTR_ERR(ci);
for (i = 0; i < 4; i++) {
- u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0],
- ci->scalev[i].nsecs[1]);
- if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) {
+ if (usec <= ci->scale_nsecs[i] * RTL_COALESCE_T_MAX / 1000U) {
*cp01 = i;
- return &ci->scalev[i];
+ return ci->scale_nsecs[i];
}
}
- return ERR_PTR(-EINVAL);
+ return -ERANGE;
}
static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
{
struct rtl8169_private *tp = netdev_priv(dev);
- const struct rtl_coalesce_scale *scale;
- struct {
- u32 frames;
- u32 usecs;
- } coal_settings [] = {
- { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs },
- { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs }
- }, *p = coal_settings;
- u16 w = 0, cp01;
- int i;
+ u32 tx_fr = ec->tx_max_coalesced_frames;
+ u32 rx_fr = ec->rx_max_coalesced_frames;
+ u32 coal_usec_max, units;
+ u16 w = 0, cp01 = 0;
+ int scale;
if (rtl_is_8125(tp))
return -EOPNOTSUPP;
- scale = rtl_coalesce_choose_scale(dev,
- max(p[0].usecs, p[1].usecs) * 1000, &cp01);
- if (IS_ERR(scale))
- return PTR_ERR(scale);
+ if (rx_fr > RTL_COALESCE_FRAME_MAX || tx_fr > RTL_COALESCE_FRAME_MAX)
+ return -ERANGE;
- for (i = 0; i < 2; i++, p++) {
- u32 units;
+ coal_usec_max = max(ec->rx_coalesce_usecs, ec->tx_coalesce_usecs);
+ scale = rtl_coalesce_choose_scale(tp, coal_usec_max, &cp01);
+ if (scale < 0)
+ return scale;
- /*
- * accept max_frames=1 we returned in rtl_get_coalesce.
- * accept it not only when usecs=0 because of e.g. the following scenario:
- *
- * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
- * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
- * - then user does `ethtool -C eth0 rx-usecs 100`
- *
- * since ethtool sends to kernel whole ethtool_coalesce
- * settings, if we do not handle rx_usecs=!0, rx_frames=1
- * we'll reject it below in `frames % 4 != 0`.
- */
- if (p->frames == 1) {
- p->frames = 0;
- }
+ /* Accept max_frames=1 we returned in rtl_get_coalesce. Accept it
+ * not only when usecs=0 because of e.g. the following scenario:
+ *
+ * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
+ * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
+ * - then user does `ethtool -C eth0 rx-usecs 100`
+ *
+ * Since ethtool sends to kernel whole ethtool_coalesce settings,
+ * if we want to ignore rx_frames then it has to be set to 0.
+ */
+ if (rx_fr == 1)
+ rx_fr = 0;
+ if (tx_fr == 1)
+ tx_fr = 0;
+
+ /* HW requires time limit to be set if frame limit is set */
+ if ((tx_fr && !ec->tx_coalesce_usecs) ||
+ (rx_fr && !ec->rx_coalesce_usecs))
+ return -EINVAL;
- units = p->usecs * 1000 / scale->nsecs[i];
- if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4)
- return -EINVAL;
+ w |= FIELD_PREP(RTL_COALESCE_TX_FRAMES, DIV_ROUND_UP(tx_fr, 4));
+ w |= FIELD_PREP(RTL_COALESCE_RX_FRAMES, DIV_ROUND_UP(rx_fr, 4));
- w <<= RTL_COALESCE_SHIFT;
- w |= units;
- w <<= RTL_COALESCE_SHIFT;
- w |= p->frames >> 2;
- }
+ units = DIV_ROUND_UP(ec->tx_coalesce_usecs * 1000U, scale);
+ w |= FIELD_PREP(RTL_COALESCE_TX_USECS, units);
+ units = DIV_ROUND_UP(ec->rx_coalesce_usecs * 1000U, scale);
+ w |= FIELD_PREP(RTL_COALESCE_RX_USECS, units);
rtl_lock_work(tp);
- RTL_W16(tp, IntrMitigate, swab16(w));
+ RTL_W16(tp, IntrMitigate, w);
+
+ /* Meaning of PktCntrDisable bit changed from RTL8168e-vl */
+ if (rtl_is_8168evl_up(tp)) {
+ if (!rx_fr && !tx_fr)
+ /* disable packet counter */
+ tp->cp_cmd |= PktCntrDisable;
+ else
+ tp->cp_cmd &= ~PktCntrDisable;
+ }
tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01;
RTL_W16(tp, CPlusCmd, tp->cp_cmd);
@@ -1989,12 +1932,6 @@ static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data)
goto out;
}
- if (dev->phydev->autoneg == AUTONEG_DISABLE ||
- dev->phydev->duplex != DUPLEX_FULL) {
- ret = -EPROTONOSUPPORT;
- goto out;
- }
-
ret = phy_ethtool_set_eee(tp->phydev, data);
if (!ret)
@@ -2013,8 +1950,6 @@ static const struct ethtool_ops rtl8169_ethtool_ops = {
.get_link = ethtool_op_get_link,
.get_coalesce = rtl_get_coalesce,
.set_coalesce = rtl_set_coalesce,
- .get_msglevel = rtl8169_get_msglevel,
- .set_msglevel = rtl8169_set_msglevel,
.get_regs = rtl8169_get_regs,
.get_wol = rtl8169_get_wol,
.set_wol = rtl8169_set_wol,
@@ -2127,6 +2062,8 @@ static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii)
{ 0x7cf, 0x348, RTL_GIGA_MAC_VER_07 },
{ 0x7cf, 0x248, RTL_GIGA_MAC_VER_07 },
{ 0x7cf, 0x340, RTL_GIGA_MAC_VER_13 },
+ /* RTL8401, reportedly works if treated as RTL8101e */
+ { 0x7cf, 0x240, RTL_GIGA_MAC_VER_13 },
{ 0x7cf, 0x343, RTL_GIGA_MAC_VER_10 },
{ 0x7cf, 0x342, RTL_GIGA_MAC_VER_16 },
{ 0x7c8, 0x348, RTL_GIGA_MAC_VER_09 },
@@ -2187,7 +2124,7 @@ static void rtl8168_config_eee_mac(struct rtl8169_private *tp)
if (tp->mac_version != RTL_GIGA_MAC_VER_38)
RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07);
- rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_1111, 0x0003);
+ rtl_eri_set_bits(tp, 0x1b0, 0x0003);
}
static void rtl8125_config_eee_mac(struct rtl8169_private *tp)
@@ -2351,7 +2288,7 @@ static void rtl_pll_power_down(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_40:
case RTL_GIGA_MAC_VER_41:
case RTL_GIGA_MAC_VER_49:
- rtl_eri_clear_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
+ rtl_eri_clear_bits(tp, 0x1a8, 0xfc000000);
RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
break;
default:
@@ -2384,15 +2321,13 @@ static void rtl_pll_power_up(struct rtl8169_private *tp)
case RTL_GIGA_MAC_VER_41:
case RTL_GIGA_MAC_VER_49:
RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
- rtl_eri_set_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
+ rtl_eri_set_bits(tp, 0x1a8, 0xfc000000);
break;
default:
break;
}
phy_resume(tp->phydev);
- /* give MAC/PHY some time to resume */
- msleep(20);
}
static void rtl_init_rxcfg(struct rtl8169_private *tp)
@@ -2411,8 +2346,7 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp)
RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
break;
case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_61:
- RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_VLAN_8125 |
- RX_DMA_BURST);
+ RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST);
break;
default:
RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST);
@@ -2526,7 +2460,7 @@ static void rtl_hw_reset(struct rtl8169_private *tp)
{
RTL_W8(tp, ChipCmd, CmdReset);
- rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
+ rtl_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
}
static void rtl_request_firmware(struct rtl8169_private *tp)
@@ -2538,10 +2472,8 @@ static void rtl_request_firmware(struct rtl8169_private *tp)
return;
rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
- if (!rtl_fw) {
- netif_warn(tp, ifup, tp->dev, "Unable to load firmware, out of memory\n");
+ if (!rtl_fw)
return;
- }
rtl_fw->phy_write = rtl_writephy;
rtl_fw->phy_read = rtl_readphy;
@@ -2571,31 +2503,31 @@ DECLARE_RTL_COND(rtl_txcfg_empty_cond)
return RTL_R32(tp, TxConfig) & TXCFG_EMPTY;
}
-static void rtl8169_hw_reset(struct rtl8169_private *tp)
+DECLARE_RTL_COND(rtl_rxtx_empty_cond)
{
- /* Disable interrupts */
- rtl8169_irq_mask_and_ack(tp);
-
- rtl_rx_close(tp);
+ return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY;
+}
+static void rtl_wait_txrx_fifo_empty(struct rtl8169_private *tp)
+{
switch (tp->mac_version) {
- case RTL_GIGA_MAC_VER_27:
- case RTL_GIGA_MAC_VER_28:
- case RTL_GIGA_MAC_VER_31:
- rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
- break;
- case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_52:
- RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
- rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
+ rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42);
+ rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
+ break;
+ case RTL_GIGA_MAC_VER_60 ... RTL_GIGA_MAC_VER_61:
+ rtl_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42);
break;
default:
- RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
- udelay(100);
break;
}
+}
- rtl_hw_reset(tp);
+static void rtl_enable_rxdvgate(struct rtl8169_private *tp)
+{
+ RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
+ fsleep(2000);
+ rtl_wait_txrx_fifo_empty(tp);
}
static void rtl_set_tx_config_registers(struct rtl8169_private *tp)
@@ -2628,7 +2560,7 @@ static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp)
RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
}
-static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version)
+static void rtl8169_set_magic_reg(struct rtl8169_private *tp)
{
u32 val;
@@ -2654,8 +2586,6 @@ static void rtl_set_rx_mode(struct net_device *dev)
u32 tmp;
if (dev->flags & IFF_PROMISC) {
- /* Unconditionally log net taps. */
- netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
rx_mode |= AcceptAllPhys;
} else if (netdev_mc_count(dev) > MC_FILTER_LIMIT ||
dev->flags & IFF_ALLMULTI ||
@@ -2668,7 +2598,7 @@ static void rtl_set_rx_mode(struct net_device *dev)
mc_filter[1] = mc_filter[0] = 0;
netdev_for_each_mc_addr(ha, dev) {
- u32 bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ u32 bit_nr = eth_hw_addr_crc(ha) >> 26;
mc_filter[bit_nr >> 5] |= BIT(bit_nr & 31);
}
@@ -2679,14 +2609,11 @@ static void rtl_set_rx_mode(struct net_device *dev)
}
}
- if (dev->features & NETIF_F_RXALL)
- rx_mode |= (AcceptErr | AcceptRunt);
-
RTL_W32(tp, MAR0 + 4, mc_filter[1]);
RTL_W32(tp, MAR0 + 0, mc_filter[0]);
tmp = RTL_R32(tp, RxConfig);
- RTL_W32(tp, RxConfig, (tmp & ~RX_CONFIG_ACCEPT_MASK) | rx_mode);
+ RTL_W32(tp, RxConfig, (tmp & ~RX_CONFIG_ACCEPT_OK_MASK) | rx_mode);
}
DECLARE_RTL_COND(rtl_csiar_cond)
@@ -2702,7 +2629,7 @@ static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
CSIAR_BYTE_ENABLE | func << 16);
- rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
+ rtl_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
}
static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
@@ -2712,7 +2639,7 @@ static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 |
CSIAR_BYTE_ENABLE);
- return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
+ return rtl_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
RTL_R32(tp, CSIDR) : ~0;
}
@@ -2969,12 +2896,14 @@ static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
rtl_ephy_init(tp, e_info_8168e_2);
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
- rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
+ rtl_eri_write(tp, 0xb8, ERIAR_MASK_1111, 0x0000);
rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
+ rtl_eri_set_bits(tp, 0x0d4, 0x1f00);
+ rtl_eri_set_bits(tp, 0x1d0, BIT(1));
+ rtl_reset_packet_filter(tp);
+ rtl_eri_set_bits(tp, 0x1b0, BIT(4));
rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060);
- rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
- rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
rtl_disable_clock_request(tp);
@@ -2994,11 +2923,11 @@ static void rtl_hw_start_8168f(struct rtl8169_private *tp)
rtl_set_def_aspm_entry_latency(tp);
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
- rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
+ rtl_eri_write(tp, 0xb8, ERIAR_MASK_1111, 0x0000);
rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
rtl_reset_packet_filter(tp);
- rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
- rtl_eri_set_bits(tp, 0x1d0, ERIAR_MASK_0001, BIT(4));
+ rtl_eri_set_bits(tp, 0x1b0, BIT(4));
+ rtl_eri_set_bits(tp, 0x1d0, BIT(4) | BIT(1));
rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060);
@@ -3027,7 +2956,7 @@ static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
rtl_ephy_init(tp, e_info_8168f_1);
- rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
+ rtl_eri_set_bits(tp, 0x0d4, 0x1f00);
}
static void rtl_hw_start_8411(struct rtl8169_private *tp)
@@ -3045,7 +2974,7 @@ static void rtl_hw_start_8411(struct rtl8169_private *tp)
rtl_ephy_init(tp, e_info_8168f_1);
- rtl_eri_set_bits(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00);
+ rtl_eri_set_bits(tp, 0x0d4, 0x0c00);
}
static void rtl_hw_start_8168g(struct rtl8169_private *tp)
@@ -3062,11 +2991,12 @@ static void rtl_hw_start_8168g(struct rtl8169_private *tp)
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
+ rtl_eri_set_bits(tp, 0x0d4, 0x1f80);
rtl8168_config_eee_mac(tp);
- rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
- rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
+ rtl_w0w1_eri(tp, 0x2fc, 0x01, 0x06);
+ rtl_eri_clear_bits(tp, 0x1b0, BIT(12));
rtl_pcie_state_l2l3_disable(tp);
}
@@ -3292,9 +3222,8 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
rtl_reset_packet_filter(tp);
- rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_1111, BIT(4));
-
- rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f00);
+ rtl_eri_set_bits(tp, 0xd4, 0x1f00);
+ rtl_eri_set_bits(tp, 0xdc, 0x001c);
rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
@@ -3310,7 +3239,7 @@ static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
- rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
+ rtl_eri_clear_bits(tp, 0x1b0, BIT(12));
rtl_pcie_state_l2l3_disable(tp);
@@ -3347,7 +3276,7 @@ static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
rtl_reset_packet_filter(tp);
- rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f80);
+ rtl_eri_set_bits(tp, 0xd4, 0x1f80);
rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
@@ -3358,7 +3287,7 @@ static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
rtl8168_config_eee_mac(tp);
- rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
+ rtl_w0w1_eri(tp, 0x2fc, 0x01, 0x06);
RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
@@ -3450,7 +3379,7 @@ static void rtl_hw_start_8117(struct rtl8169_private *tp)
rtl_reset_packet_filter(tp);
- rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f90);
+ rtl_eri_set_bits(tp, 0xd4, 0x1f90);
rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
@@ -3466,7 +3395,7 @@ static void rtl_hw_start_8117(struct rtl8169_private *tp)
RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
- rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
+ rtl_eri_clear_bits(tp, 0x1b0, BIT(12));
rtl_pcie_state_l2l3_disable(tp);
@@ -3591,7 +3520,7 @@ static void rtl_hw_start_8402(struct rtl8169_private *tp)
rtl_reset_packet_filter(tp);
rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
- rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00);
+ rtl_w0w1_eri(tp, 0x0d4, 0x0e00, 0xff00);
/* disable EEE */
rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
@@ -3667,7 +3596,7 @@ static void rtl_hw_start_8125_common(struct rtl8169_private *tp)
r8168_mac_ocp_write(tp, 0xe098, 0xc302);
- rtl_udelay_loop_wait_low(tp, &rtl_mac_ocp_e00e_cond, 1000, 10);
+ rtl_loop_wait_low(tp, &rtl_mac_ocp_e00e_cond, 1000, 10);
rtl8125_config_eee_mac(tp);
@@ -3834,7 +3763,7 @@ static void rtl_hw_start_8169(struct rtl8169_private *tp)
RTL_W16(tp, CPlusCmd, tp->cp_cmd);
- rtl8169_set_magic_reg(tp, tp->mac_version);
+ rtl8169_set_magic_reg(tp);
/* disable interrupt coalescing */
RTL_W16(tp, IntrMitigate, 0x0000);
@@ -3844,7 +3773,6 @@ static void rtl_hw_start(struct rtl8169_private *tp)
{
rtl_unlock_config_regs(tp);
- tp->cp_cmd &= CPCMD_MASK;
RTL_W16(tp, CPlusCmd, tp->cp_cmd);
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
@@ -3866,6 +3794,7 @@ static void rtl_hw_start(struct rtl8169_private *tp)
RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb);
rtl_init_rxcfg(tp);
rtl_set_tx_config_registers(tp);
+ rtl_set_rx_config_features(tp, tp->dev->features);
rtl_set_rx_mode(tp->dev);
rtl_irq_enable(tp);
}
@@ -3881,21 +3810,14 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
return 0;
}
-static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
-{
- desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
- desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
-}
-
-static inline void rtl8169_mark_to_asic(struct RxDesc *desc)
+static void rtl8169_mark_to_asic(struct RxDesc *desc)
{
u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
desc->opts2 = 0;
/* Force memory writes to complete before releasing descriptor */
dma_wmb();
-
- desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE);
+ WRITE_ONCE(desc->opts1, cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE));
}
static struct page *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
@@ -3912,8 +3834,7 @@ static struct page *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
mapping = dma_map_page(d, data, 0, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
if (unlikely(dma_mapping_error(d, mapping))) {
- if (net_ratelimit())
- netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
+ netdev_err(tp->dev, "Failed to map RX DMA!\n");
__free_pages(data, get_order(R8169_RX_BUF_SIZE));
return NULL;
}
@@ -3934,15 +3855,11 @@ static void rtl8169_rx_clear(struct rtl8169_private *tp)
R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
__free_pages(tp->Rx_databuff[i], get_order(R8169_RX_BUF_SIZE));
tp->Rx_databuff[i] = NULL;
- rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
+ tp->RxDescArray[i].addr = 0;
+ tp->RxDescArray[i].opts1 = 0;
}
}
-static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
-{
- desc->opts1 |= cpu_to_le32(RingEnd);
-}
-
static int rtl8169_rx_fill(struct rtl8169_private *tp)
{
unsigned int i;
@@ -3958,7 +3875,8 @@ static int rtl8169_rx_fill(struct rtl8169_private *tp)
tp->Rx_databuff[i] = data;
}
- rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
+ /* mark as last descriptor in the ring */
+ tp->RxDescArray[NUM_RX_DESC - 1].opts1 |= cpu_to_le32(RingEnd);
return 0;
}
@@ -4007,10 +3925,45 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
static void rtl8169_tx_clear(struct rtl8169_private *tp)
{
rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
- tp->cur_tx = tp->dirty_tx = 0;
netdev_reset_queue(tp->dev);
}
+static void rtl8169_hw_reset(struct rtl8169_private *tp)
+{
+ /* Give a racing hard_start_xmit a few cycles to complete. */
+ synchronize_rcu();
+
+ /* Disable interrupts */
+ rtl8169_irq_mask_and_ack(tp);
+
+ rtl_rx_close(tp);
+
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_27:
+ case RTL_GIGA_MAC_VER_28:
+ case RTL_GIGA_MAC_VER_31:
+ rtl_loop_wait_low(tp, &rtl_npq_cond, 20, 2000);
+ break;
+ case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
+ RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
+ rtl_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
+ break;
+ case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_61:
+ rtl_enable_rxdvgate(tp);
+ fsleep(2000);
+ break;
+ default:
+ RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
+ fsleep(100);
+ break;
+ }
+
+ rtl_hw_reset(tp);
+
+ rtl8169_tx_clear(tp);
+ rtl8169_init_ring_indexes(tp);
+}
+
static void rtl_reset_work(struct rtl8169_private *tp)
{
struct net_device *dev = tp->dev;
@@ -4018,16 +3971,12 @@ static void rtl_reset_work(struct rtl8169_private *tp)
napi_disable(&tp->napi);
netif_stop_queue(dev);
- synchronize_rcu();
rtl8169_hw_reset(tp);
for (i = 0; i < NUM_RX_DESC; i++)
rtl8169_mark_to_asic(tp->RxDescArray + i);
- rtl8169_tx_clear(tp);
- rtl8169_init_ring_indexes(tp);
-
napi_enable(&tp->napi);
rtl_hw_start(tp);
netif_wake_queue(dev);
@@ -4053,7 +4002,7 @@ static int rtl8169_tx_map(struct rtl8169_private *tp, const u32 *opts, u32 len,
ret = dma_mapping_error(d, mapping);
if (unlikely(ret)) {
if (net_ratelimit())
- netif_err(tp, drv, tp->dev, "Failed to map TX data!\n");
+ netdev_err(tp->dev, "Failed to map TX data!\n");
return ret;
}
@@ -4124,25 +4073,20 @@ static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
struct sk_buff *skb, u32 *opts)
{
u32 transport_offset = (u32)skb_transport_offset(skb);
- u32 mss = skb_shinfo(skb)->gso_size;
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
+ u32 mss = shinfo->gso_size;
if (mss) {
- switch (vlan_get_protocol(skb)) {
- case htons(ETH_P_IP):
+ if (shinfo->gso_type & SKB_GSO_TCPV4) {
opts[0] |= TD1_GTSENV4;
- break;
-
- case htons(ETH_P_IPV6):
+ } else if (shinfo->gso_type & SKB_GSO_TCPV6) {
if (skb_cow_head(skb, 0))
return false;
tcp_v6_gso_csum_prep(skb);
opts[0] |= TD1_GTSENV6;
- break;
-
- default:
+ } else {
WARN_ON_ONCE(1);
- break;
}
opts[0] |= transport_offset << GTTCPHO_SHIFT;
@@ -4224,7 +4168,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
txd_first = tp->TxDescArray + entry;
if (unlikely(!rtl_tx_slots_avail(tp, frags))) {
- netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
+ if (net_ratelimit())
+ netdev_err(dev, "BUG! Tx Ring full when queue awake!\n");
goto err_stop_0;
}
@@ -4262,8 +4207,8 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
txd_first->opts1 |= cpu_to_le32(DescOwn | FirstFrag);
- /* Force all memory writes to complete before notifying device */
- wmb();
+ /* rtl_tx needs to see descriptor changes before updated tp->cur_tx */
+ smp_wmb();
tp->cur_tx += frags + 1;
@@ -4308,6 +4253,37 @@ err_stop_0:
return NETDEV_TX_BUSY;
}
+static unsigned int rtl_last_frag_len(struct sk_buff *skb)
+{
+ struct skb_shared_info *info = skb_shinfo(skb);
+ unsigned int nr_frags = info->nr_frags;
+
+ if (!nr_frags)
+ return UINT_MAX;
+
+ return skb_frag_size(info->frags + nr_frags - 1);
+}
+
+/* Workaround for hw issues with TSO on RTL8168evl */
+static netdev_features_t rtl8168evl_fix_tso(struct sk_buff *skb,
+ netdev_features_t features)
+{
+ /* IPv4 header has options field */
+ if (vlan_get_protocol(skb) == htons(ETH_P_IP) &&
+ ip_hdrlen(skb) > sizeof(struct iphdr))
+ features &= ~NETIF_F_ALL_TSO;
+
+ /* IPv4 TCP header has options field */
+ else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4 &&
+ tcp_hdrlen(skb) > sizeof(struct tcphdr))
+ features &= ~NETIF_F_ALL_TSO;
+
+ else if (rtl_last_frag_len(skb) <= 6)
+ features &= ~NETIF_F_ALL_TSO;
+
+ return features;
+}
+
static netdev_features_t rtl8169_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
@@ -4316,6 +4292,9 @@ static netdev_features_t rtl8169_features_check(struct sk_buff *skb,
struct rtl8169_private *tp = netdev_priv(dev);
if (skb_is_gso(skb)) {
+ if (tp->mac_version == RTL_GIGA_MAC_VER_34)
+ features = rtl8168evl_fix_tso(skb, features);
+
if (transport_offset > GTTCPHO_MAX &&
rtl_chip_supports_csum_v2(tp))
features &= ~NETIF_F_ALL_TSO;
@@ -4352,9 +4331,9 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev)
pci_status_errs = pci_status_get_and_clear_errors(pdev);
- netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status_errs = 0x%04x)\n",
- pci_cmd, pci_status_errs);
-
+ if (net_ratelimit())
+ netdev_err(dev, "PCI error (cmd = 0x%04x, status_errs = 0x%04x)\n",
+ pci_cmd, pci_status_errs);
/*
* The recovery sequence below admits a very elaborated explanation:
* - it seems to work;
@@ -4450,15 +4429,17 @@ static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
{
- unsigned int cur_rx, rx_left;
- unsigned int count;
+ unsigned int cur_rx, rx_left, count;
+ struct device *d = tp_to_dev(tp);
cur_rx = tp->cur_rx;
for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
- unsigned int entry = cur_rx % NUM_RX_DESC;
- const void *rx_buf = page_address(tp->Rx_databuff[entry]);
+ unsigned int pkt_size, entry = cur_rx % NUM_RX_DESC;
struct RxDesc *desc = tp->RxDescArray + entry;
+ struct sk_buff *skb;
+ const void *rx_buf;
+ dma_addr_t addr;
u32 status;
status = le32_to_cpu(desc->opts1);
@@ -4472,69 +4453,65 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
dma_rmb();
if (unlikely(status & RxRES)) {
- netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
- status);
+ if (net_ratelimit())
+ netdev_warn(dev, "Rx ERROR. status = %08x\n",
+ status);
dev->stats.rx_errors++;
if (status & (RxRWT | RxRUNT))
dev->stats.rx_length_errors++;
if (status & RxCRC)
dev->stats.rx_crc_errors++;
- if (status & (RxRUNT | RxCRC) && !(status & RxRWT) &&
- dev->features & NETIF_F_RXALL) {
- goto process_pkt;
- }
- } else {
- unsigned int pkt_size;
- struct sk_buff *skb;
-
-process_pkt:
- pkt_size = status & GENMASK(13, 0);
- if (likely(!(dev->features & NETIF_F_RXFCS)))
- pkt_size -= ETH_FCS_LEN;
- /*
- * The driver does not support incoming fragmented
- * frames. They are seen as a symptom of over-mtu
- * sized frames.
- */
- if (unlikely(rtl8169_fragmented_frame(status))) {
- dev->stats.rx_dropped++;
- dev->stats.rx_length_errors++;
- goto release_descriptor;
- }
- skb = napi_alloc_skb(&tp->napi, pkt_size);
- if (unlikely(!skb)) {
- dev->stats.rx_dropped++;
+ if (!(dev->features & NETIF_F_RXALL))
goto release_descriptor;
- }
+ else if (status & RxRWT || !(status & (RxRUNT | RxCRC)))
+ goto release_descriptor;
+ }
- dma_sync_single_for_cpu(tp_to_dev(tp),
- le64_to_cpu(desc->addr),
- pkt_size, DMA_FROM_DEVICE);
- prefetch(rx_buf);
- skb_copy_to_linear_data(skb, rx_buf, pkt_size);
- skb->tail += pkt_size;
- skb->len = pkt_size;
+ pkt_size = status & GENMASK(13, 0);
+ if (likely(!(dev->features & NETIF_F_RXFCS)))
+ pkt_size -= ETH_FCS_LEN;
- dma_sync_single_for_device(tp_to_dev(tp),
- le64_to_cpu(desc->addr),
- pkt_size, DMA_FROM_DEVICE);
+ /* The driver does not support incoming fragmented frames.
+ * They are seen as a symptom of over-mtu sized frames.
+ */
+ if (unlikely(rtl8169_fragmented_frame(status))) {
+ dev->stats.rx_dropped++;
+ dev->stats.rx_length_errors++;
+ goto release_descriptor;
+ }
- rtl8169_rx_csum(skb, status);
- skb->protocol = eth_type_trans(skb, dev);
+ skb = napi_alloc_skb(&tp->napi, pkt_size);
+ if (unlikely(!skb)) {
+ dev->stats.rx_dropped++;
+ goto release_descriptor;
+ }
- rtl8169_rx_vlan_tag(desc, skb);
+ addr = le64_to_cpu(desc->addr);
+ rx_buf = page_address(tp->Rx_databuff[entry]);
- if (skb->pkt_type == PACKET_MULTICAST)
- dev->stats.multicast++;
+ dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
+ prefetch(rx_buf);
+ skb_copy_to_linear_data(skb, rx_buf, pkt_size);
+ skb->tail += pkt_size;
+ skb->len = pkt_size;
+ dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
- napi_gro_receive(&tp->napi, skb);
+ rtl8169_rx_csum(skb, status);
+ skb->protocol = eth_type_trans(skb, dev);
+
+ rtl8169_rx_vlan_tag(desc, skb);
+
+ if (skb->pkt_type == PACKET_MULTICAST)
+ dev->stats.multicast++;
+
+ napi_gro_receive(&tp->napi, skb);
+
+ u64_stats_update_begin(&tp->rx_stats.syncp);
+ tp->rx_stats.packets++;
+ tp->rx_stats.bytes += pkt_size;
+ u64_stats_update_end(&tp->rx_stats.syncp);
- u64_stats_update_begin(&tp->rx_stats.syncp);
- tp->rx_stats.packets++;
- tp->rx_stats.bytes += pkt_size;
- u64_stats_update_end(&tp->rx_stats.syncp);
- }
release_descriptor:
rtl8169_mark_to_asic(desc);
}
@@ -4650,25 +4627,21 @@ static int r8169_phy_connect(struct rtl8169_private *tp)
return 0;
}
-static void rtl8169_down(struct net_device *dev)
+static void rtl8169_down(struct rtl8169_private *tp)
{
- struct rtl8169_private *tp = netdev_priv(dev);
+ rtl_lock_work(tp);
- phy_stop(tp->phydev);
+ /* Clear all task flags */
+ bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
+ phy_stop(tp->phydev);
napi_disable(&tp->napi);
- netif_stop_queue(dev);
rtl8169_hw_reset(tp);
- /* Give a racing hard_start_xmit a few cycles to complete. */
- synchronize_rcu();
-
- rtl8169_tx_clear(tp);
-
- rtl8169_rx_clear(tp);
-
rtl_pll_power_down(tp);
+
+ rtl_unlock_work(tp);
}
static int rtl8169_close(struct net_device *dev)
@@ -4681,12 +4654,9 @@ static int rtl8169_close(struct net_device *dev)
/* Update counters before going down */
rtl8169_update_counters(tp);
- rtl_lock_work(tp);
- /* Clear all task flags */
- bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
-
- rtl8169_down(dev);
- rtl_unlock_work(tp);
+ netif_stop_queue(dev);
+ rtl8169_down(tp);
+ rtl8169_rx_clear(tp);
cancel_work_sync(&tp->wk.work);
@@ -4764,8 +4734,7 @@ static int rtl_open(struct net_device *dev)
rtl_hw_start(tp);
- if (!rtl8169_init_counter_offsets(tp))
- netif_warn(tp, hw, dev, "counter reset/update failed\n");
+ rtl8169_init_counter_offsets(tp);
phy_start(tp->phydev);
netif_start_queue(dev);
@@ -4841,44 +4810,30 @@ rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
pm_runtime_put_noidle(&pdev->dev);
}
-static void rtl8169_net_suspend(struct net_device *dev)
+static void rtl8169_net_suspend(struct rtl8169_private *tp)
{
- struct rtl8169_private *tp = netdev_priv(dev);
-
- if (!netif_running(dev))
+ if (!netif_running(tp->dev))
return;
- phy_stop(tp->phydev);
- netif_device_detach(dev);
-
- rtl_lock_work(tp);
- napi_disable(&tp->napi);
- /* Clear all task flags */
- bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
-
- rtl_unlock_work(tp);
-
- rtl_pll_power_down(tp);
+ netif_device_detach(tp->dev);
+ rtl8169_down(tp);
}
#ifdef CONFIG_PM
-static int rtl8169_suspend(struct device *device)
+static int __maybe_unused rtl8169_suspend(struct device *device)
{
- struct net_device *dev = dev_get_drvdata(device);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = dev_get_drvdata(device);
- rtl8169_net_suspend(dev);
+ rtl8169_net_suspend(tp);
clk_disable_unprepare(tp->clk);
return 0;
}
-static void __rtl8169_resume(struct net_device *dev)
+static void __rtl8169_resume(struct rtl8169_private *tp)
{
- struct rtl8169_private *tp = netdev_priv(dev);
-
- netif_device_attach(dev);
+ netif_device_attach(tp->dev);
rtl_pll_power_up(tp);
rtl8169_init_phy(tp);
@@ -4892,34 +4847,32 @@ static void __rtl8169_resume(struct net_device *dev)
rtl_unlock_work(tp);
}
-static int rtl8169_resume(struct device *device)
+static int __maybe_unused rtl8169_resume(struct device *device)
{
- struct net_device *dev = dev_get_drvdata(device);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = dev_get_drvdata(device);
- rtl_rar_set(tp, dev->dev_addr);
+ rtl_rar_set(tp, tp->dev->dev_addr);
clk_prepare_enable(tp->clk);
- if (netif_running(dev))
- __rtl8169_resume(dev);
+ if (netif_running(tp->dev))
+ __rtl8169_resume(tp);
return 0;
}
static int rtl8169_runtime_suspend(struct device *device)
{
- struct net_device *dev = dev_get_drvdata(device);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = dev_get_drvdata(device);
if (!tp->TxDescArray)
return 0;
rtl_lock_work(tp);
- __rtl8169_set_wol(tp, WAKE_ANY);
+ __rtl8169_set_wol(tp, WAKE_PHY);
rtl_unlock_work(tp);
- rtl8169_net_suspend(dev);
+ rtl8169_net_suspend(tp);
/* Update counters before going runtime suspend */
rtl8169_update_counters(tp);
@@ -4929,10 +4882,9 @@ static int rtl8169_runtime_suspend(struct device *device)
static int rtl8169_runtime_resume(struct device *device)
{
- struct net_device *dev = dev_get_drvdata(device);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = dev_get_drvdata(device);
- rtl_rar_set(tp, dev->dev_addr);
+ rtl_rar_set(tp, tp->dev->dev_addr);
if (!tp->TxDescArray)
return 0;
@@ -4941,40 +4893,28 @@ static int rtl8169_runtime_resume(struct device *device)
__rtl8169_set_wol(tp, tp->saved_wolopts);
rtl_unlock_work(tp);
- __rtl8169_resume(dev);
+ __rtl8169_resume(tp);
return 0;
}
static int rtl8169_runtime_idle(struct device *device)
{
- struct net_device *dev = dev_get_drvdata(device);
+ struct rtl8169_private *tp = dev_get_drvdata(device);
- if (!netif_running(dev) || !netif_carrier_ok(dev))
+ if (!netif_running(tp->dev) || !netif_carrier_ok(tp->dev))
pm_schedule_suspend(device, 10000);
return -EBUSY;
}
static const struct dev_pm_ops rtl8169_pm_ops = {
- .suspend = rtl8169_suspend,
- .resume = rtl8169_resume,
- .freeze = rtl8169_suspend,
- .thaw = rtl8169_resume,
- .poweroff = rtl8169_suspend,
- .restore = rtl8169_resume,
- .runtime_suspend = rtl8169_runtime_suspend,
- .runtime_resume = rtl8169_runtime_resume,
- .runtime_idle = rtl8169_runtime_idle,
+ SET_SYSTEM_SLEEP_PM_OPS(rtl8169_suspend, rtl8169_resume)
+ SET_RUNTIME_PM_OPS(rtl8169_runtime_suspend, rtl8169_runtime_resume,
+ rtl8169_runtime_idle)
};
-#define RTL8169_PM_OPS (&rtl8169_pm_ops)
-
-#else /* !CONFIG_PM */
-
-#define RTL8169_PM_OPS NULL
-
-#endif /* !CONFIG_PM */
+#endif /* CONFIG_PM */
static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
{
@@ -4995,13 +4935,12 @@ static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
static void rtl_shutdown(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = pci_get_drvdata(pdev);
- rtl8169_net_suspend(dev);
+ rtl8169_net_suspend(tp);
/* Restore original MAC address */
- rtl_rar_set(tp, dev->perm_addr);
+ rtl_rar_set(tp, tp->dev->perm_addr);
rtl8169_hw_reset(tp);
@@ -5018,24 +4957,20 @@ static void rtl_shutdown(struct pci_dev *pdev)
static void rtl_remove_one(struct pci_dev *pdev)
{
- struct net_device *dev = pci_get_drvdata(pdev);
- struct rtl8169_private *tp = netdev_priv(dev);
+ struct rtl8169_private *tp = pci_get_drvdata(pdev);
- if (r8168_check_dash(tp))
- rtl8168_driver_stop(tp);
+ if (pci_dev_run_wake(pdev))
+ pm_runtime_get_noresume(&pdev->dev);
- netif_napi_del(&tp->napi);
+ unregister_netdev(tp->dev);
- unregister_netdev(dev);
- mdiobus_unregister(tp->phydev->mdio.bus);
+ if (r8168_check_dash(tp))
+ rtl8168_driver_stop(tp);
rtl_release_firmware(tp);
- if (pci_dev_run_wake(pdev))
- pm_runtime_get_noresume(&pdev->dev);
-
/* restore original MAC address */
- rtl_rar_set(tp, dev->perm_addr);
+ rtl_rar_set(tp, tp->dev->perm_addr);
}
static const struct net_device_ops rtl_netdev_ops = {
@@ -5117,9 +5052,9 @@ DECLARE_RTL_COND(rtl_link_list_ready_cond)
return RTL_R8(tp, MCU) & LINK_LIST_RDY;
}
-DECLARE_RTL_COND(rtl_rxtx_empty_cond)
+static void r8168g_wait_ll_share_fifo_ready(struct rtl8169_private *tp)
{
- return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY;
+ rtl_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
}
static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg)
@@ -5164,20 +5099,19 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
new_bus->read = r8169_mdio_read_reg;
new_bus->write = r8169_mdio_write_reg;
- ret = mdiobus_register(new_bus);
+ ret = devm_mdiobus_register(new_bus);
if (ret)
return ret;
tp->phydev = mdiobus_get_phy(new_bus, 0);
if (!tp->phydev) {
- mdiobus_unregister(new_bus);
return -ENODEV;
} else if (!tp->phydev->drv) {
/* Most chip versions fail with the genphy driver.
* Therefore ensure that the dedicated PHY driver is loaded.
*/
- dev_err(&pdev->dev, "realtek.ko not loaded, maybe it needs to be added to initramfs?\n");
- mdiobus_unregister(new_bus);
+ dev_err(&pdev->dev, "no dedicated PHY driver found for PHY ID 0x%08x, maybe realtek.ko needs to be added to initramfs?\n",
+ tp->phydev->phy_id);
return -EUNATCH;
}
@@ -5189,53 +5123,34 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
static void rtl_hw_init_8168g(struct rtl8169_private *tp)
{
- tp->ocp_base = OCP_STD_PHY_BASE;
-
- RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
-
- if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
- return;
-
- if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
- return;
+ rtl_enable_rxdvgate(tp);
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
msleep(1);
RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0);
-
- if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
- return;
+ r8168g_wait_ll_share_fifo_ready(tp);
r8168_mac_ocp_modify(tp, 0xe8de, 0, BIT(15));
-
- rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
+ r8168g_wait_ll_share_fifo_ready(tp);
}
static void rtl_hw_init_8125(struct rtl8169_private *tp)
{
- tp->ocp_base = OCP_STD_PHY_BASE;
-
- RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
-
- if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
- return;
+ rtl_enable_rxdvgate(tp);
RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
msleep(1);
RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
r8168_mac_ocp_modify(tp, 0xe8de, BIT(14), 0);
-
- if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
- return;
+ r8168g_wait_ll_share_fifo_ready(tp);
r8168_mac_ocp_write(tp, 0xc0aa, 0x07d0);
r8168_mac_ocp_write(tp, 0xc0a6, 0x0150);
r8168_mac_ocp_write(tp, 0xc01e, 0x5555);
-
- rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
+ r8168g_wait_ll_share_fifo_ready(tp);
}
static void rtl_hw_initialize(struct rtl8169_private *tp)
@@ -5350,9 +5265,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp = netdev_priv(dev);
tp->dev = dev;
tp->pci_dev = pdev;
- tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
tp->supports_gmii = ent->driver_data == RTL_CFG_NO_GBIT ? 0 : 1;
tp->eee_adv = -1;
+ tp->ocp_base = OCP_STD_PHY_BASE;
/* Get the *optional* external "ether_clk" used on some boards */
rc = rtl_get_ether_clk(tp);
@@ -5408,7 +5323,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->mac_version = chipset;
- tp->cp_cmd = RTL_R16(tp, CPlusCmd);
+ tp->cp_cmd = RTL_R16(tp, CPlusCmd) & CPCMD_MASK;
if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 &&
!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)))
@@ -5443,14 +5358,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
- dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
- NETIF_F_HIGHDMA;
+ dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
- tp->cp_cmd |= RxChkSum;
- /* RTL8125 uses register RxConfig for VLAN offloading config */
- if (!rtl_is_8125(tp))
- tp->cp_cmd |= RxVlan;
/*
* Pretend we are using VLANs; This bypasses a nasty bug where
* Interrupts stop flowing on high load on 8110SCd controllers.
@@ -5482,6 +5392,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->hw_features |= NETIF_F_RXALL;
dev->hw_features |= NETIF_F_RXFCS;
+ /* configure chip for default features */
+ rtl8169_set_features(dev, dev->features);
+
jumbo_max = rtl_jumbo_max(tp);
if (jumbo_max)
dev->max_mtu = jumbo_max;
@@ -5496,7 +5409,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!tp->counters)
return -ENOMEM;
- pci_set_drvdata(pdev, dev);
+ pci_set_drvdata(pdev, tp);
rc = r8169_mdio_register(tp);
if (rc)
@@ -5507,17 +5420,16 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = register_netdev(dev);
if (rc)
- goto err_mdio_unregister;
+ return rc;
- netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n",
- rtl_chip_infos[chipset].name, dev->dev_addr, xid,
- pci_irq_vector(pdev, 0));
+ netdev_info(dev, "%s, %pM, XID %03x, IRQ %d\n",
+ rtl_chip_infos[chipset].name, dev->dev_addr, xid,
+ pci_irq_vector(pdev, 0));
if (jumbo_max)
- netif_info(tp, probe, dev,
- "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
- jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ?
- "ok" : "ko");
+ netdev_info(dev, "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
+ jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ?
+ "ok" : "ko");
if (r8168_check_dash(tp))
rtl8168_driver_start(tp);
@@ -5526,10 +5438,6 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pm_runtime_put_sync(&pdev->dev);
return 0;
-
-err_mdio_unregister:
- mdiobus_unregister(tp->phydev->mdio.bus);
- return rc;
}
static struct pci_driver rtl8169_pci_driver = {
@@ -5538,7 +5446,9 @@ static struct pci_driver rtl8169_pci_driver = {
.probe = rtl_init_one,
.remove = rtl_remove_one,
.shutdown = rtl_shutdown,
- .driver.pm = RTL8169_PM_OPS,
+#ifdef CONFIG_PM
+ .driver.pm = &rtl8169_pm_ops,
+#endif
};
module_pci_driver(rtl8169_pci_driver);
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 067ad25553b9..a442bcf64b9c 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -1014,6 +1014,7 @@ static int ravb_phy_init(struct net_device *ndev)
struct ravb_private *priv = netdev_priv(ndev);
struct phy_device *phydev;
struct device_node *pn;
+ phy_interface_t iface;
int err;
priv->link = 0;
@@ -1032,8 +1033,13 @@ static int ravb_phy_init(struct net_device *ndev)
}
pn = of_node_get(np);
}
- phydev = of_phy_connect(ndev, pn, ravb_adjust_link, 0,
- priv->phy_interface);
+
+ iface = priv->phy_interface;
+ if (priv->chip_id != RCAR_GEN2 && phy_interface_mode_is_rgmii(iface)) {
+ /* ravb_set_delay_mode() takes care of internal delay mode */
+ iface = PHY_INTERFACE_MODE_RGMII;
+ }
+ phydev = of_phy_connect(ndev, pn, ravb_adjust_link, 0, iface);
of_node_put(pn);
if (!phydev) {
netdev_err(ndev, "failed to connect PHY\n");
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 8ed73f44405d..f45331ed90b0 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2472,7 +2472,8 @@ static void sh_eth_tx_timeout(struct net_device *ndev, unsigned int txqueue)
}
/* Packet transmit function */
-static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t sh_eth_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
struct sh_eth_txdesc *txdesc;
diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c
index 128ee7cda1ed..65c98837ec45 100644
--- a/drivers/net/ethernet/seeq/ether3.c
+++ b/drivers/net/ethernet/seeq/ether3.c
@@ -610,12 +610,9 @@ static int ether3_rx(struct net_device *dev, unsigned int maxcnt)
ether3_readbuffer(dev, addrs+2, 12);
if (next_ptr < RX_START || next_ptr >= RX_END) {
- int i;
printk("%s: bad next pointer @%04X: ", dev->name, priv(dev)->rx_head);
printk("%02X %02X %02X %02X ", next_ptr >> 8, next_ptr & 255, status & 255, status >> 8);
- for (i = 2; i < 14; i++)
- printk("%02X ", addrs[i]);
- printk("\n");
+ printk("%pM %pM\n", addrs + 2, addrs + 8);
next_ptr = priv(dev)->rx_head;
break;
}
diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index 3f16bd807c6e..4b0e3695a71a 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -553,7 +553,7 @@ static int efx_ef10_probe(struct efx_nic *efx)
efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
- nic_data->vport_id = EVB_PORT_ID_ASSIGNED;
+ efx->vport_id = EVB_PORT_ID_ASSIGNED;
/* In case we're recovering from a crash (kexec), we want to
* cancel any outstanding request by the previous user of this
@@ -1281,13 +1281,13 @@ static int efx_ef10_init_nic(struct efx_nic *efx)
nic_data->must_check_datapath_caps = false;
}
- if (nic_data->must_realloc_vis) {
+ if (efx->must_realloc_vis) {
/* We cannot let the number of VIs change now */
rc = efx_ef10_alloc_vis(efx, nic_data->n_allocated_vis,
nic_data->n_allocated_vis);
if (rc)
return rc;
- nic_data->must_realloc_vis = false;
+ efx->must_realloc_vis = false;
}
if (nic_data->must_restore_piobufs && nic_data->n_piobufs) {
@@ -1326,16 +1326,15 @@ static void efx_ef10_table_reset_mc_allocations(struct efx_nic *efx)
#endif
/* All our allocations have been reset */
- nic_data->must_realloc_vis = true;
- nic_data->must_restore_rss_contexts = true;
- nic_data->must_restore_filters = true;
+ efx->must_realloc_vis = true;
+ efx_mcdi_filter_table_reset_mc_allocations(efx);
nic_data->must_restore_piobufs = true;
efx_ef10_forget_old_piobufs(efx);
efx->rss_context.context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
/* Driver-created vswitches and vports must be re-created */
nic_data->must_probe_vswitching = true;
- nic_data->vport_id = EVB_PORT_ID_ASSIGNED;
+ efx->vport_id = EVB_PORT_ID_ASSIGNED;
#ifdef CONFIG_SFC_SRIOV
if (nic_data->vf)
for (i = 0; i < efx->vf_count; i++)
@@ -1820,6 +1819,7 @@ static size_t efx_ef10_update_stats_pf(struct efx_nic *efx, u64 *full_stats,
}
static int efx_ef10_try_update_nic_stats_vf(struct efx_nic *efx)
+ __must_hold(&efx->stats_lock)
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_MAC_STATS_IN_LEN);
struct efx_ef10_nic_data *nic_data = efx->nic_data;
@@ -2389,6 +2389,86 @@ static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue)
}
}
+static int efx_ef10_probe_multicast_chaining(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ unsigned int enabled, implemented;
+ bool want_workaround_26807;
+ int rc;
+
+ rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled);
+ if (rc == -ENOSYS) {
+ /* GET_WORKAROUNDS was implemented before this workaround,
+ * thus it must be unavailable in this firmware.
+ */
+ nic_data->workaround_26807 = false;
+ return 0;
+ }
+ if (rc)
+ return rc;
+ want_workaround_26807 =
+ implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807;
+ nic_data->workaround_26807 =
+ !!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807);
+
+ if (want_workaround_26807 && !nic_data->workaround_26807) {
+ unsigned int flags;
+
+ rc = efx_mcdi_set_workaround(efx,
+ MC_CMD_WORKAROUND_BUG26807,
+ true, &flags);
+ if (!rc) {
+ if (flags &
+ 1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN) {
+ netif_info(efx, drv, efx->net_dev,
+ "other functions on NIC have been reset\n");
+
+ /* With MCFW v4.6.x and earlier, the
+ * boot count will have incremented,
+ * so re-read the warm_boot_count
+ * value now to ensure this function
+ * doesn't think it has changed next
+ * time it checks.
+ */
+ rc = efx_ef10_get_warm_boot_count(efx);
+ if (rc >= 0) {
+ nic_data->warm_boot_count = rc;
+ rc = 0;
+ }
+ }
+ nic_data->workaround_26807 = true;
+ } else if (rc == -EPERM) {
+ rc = 0;
+ }
+ }
+ return rc;
+}
+
+static int efx_ef10_filter_table_probe(struct efx_nic *efx)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ int rc = efx_ef10_probe_multicast_chaining(efx);
+ struct efx_mcdi_filter_vlan *vlan;
+
+ if (rc)
+ return rc;
+ rc = efx_mcdi_filter_table_probe(efx, nic_data->workaround_26807);
+
+ if (rc)
+ return rc;
+
+ list_for_each_entry(vlan, &nic_data->vlan_list, list) {
+ rc = efx_mcdi_filter_add_vlan(efx, vlan->vid);
+ if (rc)
+ goto fail_add_vlan;
+ }
+ return 0;
+
+fail_add_vlan:
+ efx_mcdi_filter_table_remove(efx);
+ return rc;
+}
+
/* This creates an entry in the RX descriptor queue */
static inline void
efx_ef10_build_rx_desc(struct efx_rx_queue *rx_queue, unsigned int index)
@@ -2464,75 +2544,14 @@ static int efx_ef10_ev_init(struct efx_channel *channel)
{
struct efx_nic *efx = channel->efx;
struct efx_ef10_nic_data *nic_data;
- unsigned int enabled, implemented;
bool use_v2, cut_thru;
- int rc;
nic_data = efx->nic_data;
use_v2 = nic_data->datapath_caps2 &
1 << MC_CMD_GET_CAPABILITIES_V2_OUT_INIT_EVQ_V2_LBN;
cut_thru = !(nic_data->datapath_caps &
1 << MC_CMD_GET_CAPABILITIES_OUT_RX_BATCHING_LBN);
- rc = efx_mcdi_ev_init(channel, cut_thru, use_v2);
-
- /* IRQ return is ignored */
- if (channel->channel || rc)
- return rc;
-
- /* Successfully created event queue on channel 0 */
- rc = efx_mcdi_get_workarounds(efx, &implemented, &enabled);
- if (rc == -ENOSYS) {
- /* GET_WORKAROUNDS was implemented before this workaround,
- * thus it must be unavailable in this firmware.
- */
- nic_data->workaround_26807 = false;
- rc = 0;
- } else if (rc) {
- goto fail;
- } else {
- nic_data->workaround_26807 =
- !!(enabled & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807);
-
- if (implemented & MC_CMD_GET_WORKAROUNDS_OUT_BUG26807 &&
- !nic_data->workaround_26807) {
- unsigned int flags;
-
- rc = efx_mcdi_set_workaround(efx,
- MC_CMD_WORKAROUND_BUG26807,
- true, &flags);
-
- if (!rc) {
- if (flags &
- 1 << MC_CMD_WORKAROUND_EXT_OUT_FLR_DONE_LBN) {
- netif_info(efx, drv, efx->net_dev,
- "other functions on NIC have been reset\n");
-
- /* With MCFW v4.6.x and earlier, the
- * boot count will have incremented,
- * so re-read the warm_boot_count
- * value now to ensure this function
- * doesn't think it has changed next
- * time it checks.
- */
- rc = efx_ef10_get_warm_boot_count(efx);
- if (rc >= 0) {
- nic_data->warm_boot_count = rc;
- rc = 0;
- }
- }
- nic_data->workaround_26807 = true;
- } else if (rc == -EPERM) {
- rc = 0;
- }
- }
- }
-
- if (!rc)
- return 0;
-
-fail:
- efx_mcdi_ev_fini(channel);
- return rc;
+ return efx_mcdi_ev_init(channel, cut_thru, use_v2);
}
static void efx_ef10_handle_rx_wrong_queue(struct efx_rx_queue *rx_queue,
@@ -3100,16 +3119,15 @@ void efx_ef10_handle_drain_event(struct efx_nic *efx)
static int efx_ef10_fini_dmaq(struct efx_nic *efx)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
- struct efx_channel *channel;
struct efx_tx_queue *tx_queue;
struct efx_rx_queue *rx_queue;
+ struct efx_channel *channel;
int pending;
/* If the MC has just rebooted, the TX/RX queues will have already been
* torn down, but efx->active_queues needs to be set to zero.
*/
- if (nic_data->must_realloc_vis) {
+ if (efx->must_realloc_vis) {
atomic_set(&efx->active_queues, 0);
return 0;
}
@@ -3158,22 +3176,22 @@ static int efx_ef10_vport_set_mac_address(struct efx_nic *efx)
efx_mcdi_filter_table_remove(efx);
up_write(&efx->filter_sem);
- rc = efx_ef10_vadaptor_free(efx, nic_data->vport_id);
+ rc = efx_ef10_vadaptor_free(efx, efx->vport_id);
if (rc)
goto restore_filters;
ether_addr_copy(mac_old, nic_data->vport_mac);
- rc = efx_ef10_vport_del_mac(efx, nic_data->vport_id,
+ rc = efx_ef10_vport_del_mac(efx, efx->vport_id,
nic_data->vport_mac);
if (rc)
goto restore_vadaptor;
- rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id,
+ rc = efx_ef10_vport_add_mac(efx, efx->vport_id,
efx->net_dev->dev_addr);
if (!rc) {
ether_addr_copy(nic_data->vport_mac, efx->net_dev->dev_addr);
} else {
- rc2 = efx_ef10_vport_add_mac(efx, nic_data->vport_id, mac_old);
+ rc2 = efx_ef10_vport_add_mac(efx, efx->vport_id, mac_old);
if (rc2) {
/* Failed to add original MAC, so clear vport_mac */
eth_zero_addr(nic_data->vport_mac);
@@ -3182,12 +3200,12 @@ static int efx_ef10_vport_set_mac_address(struct efx_nic *efx)
}
restore_vadaptor:
- rc2 = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id);
+ rc2 = efx_ef10_vadaptor_alloc(efx, efx->vport_id);
if (rc2)
goto reset_nic;
restore_filters:
down_write(&efx->filter_sem);
- rc2 = efx_mcdi_filter_table_probe(efx);
+ rc2 = efx_ef10_filter_table_probe(efx);
up_write(&efx->filter_sem);
if (rc2)
goto reset_nic;
@@ -3211,7 +3229,6 @@ reset_nic:
static int efx_ef10_set_mac_address(struct efx_nic *efx)
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_VADAPTOR_SET_MAC_IN_LEN);
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
bool was_enabled = efx->port_enabled;
int rc;
@@ -3225,11 +3242,11 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx)
ether_addr_copy(MCDI_PTR(inbuf, VADAPTOR_SET_MAC_IN_MACADDR),
efx->net_dev->dev_addr);
MCDI_SET_DWORD(inbuf, VADAPTOR_SET_MAC_IN_UPSTREAM_PORT_ID,
- nic_data->vport_id);
+ efx->vport_id);
rc = efx_mcdi_rpc_quiet(efx, MC_CMD_VADAPTOR_SET_MAC, inbuf,
sizeof(inbuf), NULL, 0, NULL);
- efx_mcdi_filter_table_probe(efx);
+ efx_ef10_filter_table_probe(efx);
up_write(&efx->filter_sem);
mutex_unlock(&efx->mac_lock);
@@ -3239,6 +3256,7 @@ static int efx_ef10_set_mac_address(struct efx_nic *efx)
#ifdef CONFIG_SFC_SRIOV
if (efx->pci_dev->is_virtfn && efx->pci_dev->physfn) {
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
struct pci_dev *pci_dev_pf = efx->pci_dev->physfn;
if (rc == -EPERM) {
@@ -3961,6 +3979,35 @@ out_unlock:
return rc;
}
+/* EF10 may have multiple datapath firmware variants within a
+ * single version. Report which variants are running.
+ */
+static size_t efx_ef10_print_additional_fwver(struct efx_nic *efx, char *buf,
+ size_t len)
+{
+ struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+ return scnprintf(buf, len, " rx%x tx%x",
+ nic_data->rx_dpcpu_fw_id,
+ nic_data->tx_dpcpu_fw_id);
+}
+
+static unsigned int ef10_check_caps(const struct efx_nic *efx,
+ u8 flag,
+ u32 offset)
+{
+ const struct efx_ef10_nic_data *nic_data = efx->nic_data;
+
+ switch (offset) {
+ case(MC_CMD_GET_CAPABILITIES_V4_OUT_FLAGS1_OFST):
+ return nic_data->datapath_caps & BIT_ULL(flag);
+ case(MC_CMD_GET_CAPABILITIES_V4_OUT_FLAGS2_OFST):
+ return nic_data->datapath_caps2 & BIT_ULL(flag);
+ default:
+ return 0;
+ }
+}
+
#define EF10_OFFLOAD_FEATURES \
(NETIF_F_IP_CSUM | \
NETIF_F_HW_VLAN_CTAG_FILTER | \
@@ -4027,7 +4074,7 @@ const struct efx_nic_type efx_hunt_a0_vf_nic_type = {
.ev_process = efx_ef10_ev_process,
.ev_read_ack = efx_ef10_ev_read_ack,
.ev_test_generate = efx_ef10_ev_test_generate,
- .filter_table_probe = efx_mcdi_filter_table_probe,
+ .filter_table_probe = efx_ef10_filter_table_probe,
.filter_table_restore = efx_mcdi_filter_table_restore,
.filter_table_remove = efx_mcdi_filter_table_remove,
.filter_update_rx_scatter = efx_mcdi_update_rx_scatter,
@@ -4073,6 +4120,8 @@ const struct efx_nic_type efx_hunt_a0_vf_nic_type = {
.hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
1 << HWTSTAMP_FILTER_ALL,
.rx_hash_key_size = 40,
+ .check_caps = ef10_check_caps,
+ .print_additional_fwver = efx_ef10_print_additional_fwver,
};
const struct efx_nic_type efx_hunt_a0_nic_type = {
@@ -4139,7 +4188,7 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.ev_process = efx_ef10_ev_process,
.ev_read_ack = efx_ef10_ev_read_ack,
.ev_test_generate = efx_ef10_ev_test_generate,
- .filter_table_probe = efx_mcdi_filter_table_probe,
+ .filter_table_probe = efx_ef10_filter_table_probe,
.filter_table_restore = efx_mcdi_filter_table_restore,
.filter_table_remove = efx_mcdi_filter_table_remove,
.filter_update_rx_scatter = efx_mcdi_update_rx_scatter,
@@ -4208,4 +4257,6 @@ const struct efx_nic_type efx_hunt_a0_nic_type = {
.hwtstamp_filters = 1 << HWTSTAMP_FILTER_NONE |
1 << HWTSTAMP_FILTER_ALL,
.rx_hash_key_size = 40,
+ .check_caps = ef10_check_caps,
+ .print_additional_fwver = efx_ef10_print_additional_fwver,
};
diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c
index 4580b30caae1..21fa6c0e8873 100644
--- a/drivers/net/ethernet/sfc/ef10_sriov.c
+++ b/drivers/net/ethernet/sfc/ef10_sriov.c
@@ -232,15 +232,14 @@ fail:
static int efx_ef10_vadaptor_alloc_set_features(struct efx_nic *efx)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
u32 port_flags;
int rc;
- rc = efx_ef10_vadaptor_alloc(efx, nic_data->vport_id);
+ rc = efx_ef10_vadaptor_alloc(efx, efx->vport_id);
if (rc)
goto fail_vadaptor_alloc;
- rc = efx_ef10_vadaptor_query(efx, nic_data->vport_id,
+ rc = efx_ef10_vadaptor_query(efx, efx->vport_id,
&port_flags, NULL, NULL);
if (rc)
goto fail_vadaptor_query;
@@ -281,11 +280,11 @@ int efx_ef10_vswitching_probe_pf(struct efx_nic *efx)
rc = efx_ef10_vport_alloc(efx, EVB_PORT_ID_ASSIGNED,
MC_CMD_VPORT_ALLOC_IN_VPORT_TYPE_NORMAL,
- EFX_EF10_NO_VLAN, &nic_data->vport_id);
+ EFX_EF10_NO_VLAN, &efx->vport_id);
if (rc)
goto fail2;
- rc = efx_ef10_vport_add_mac(efx, nic_data->vport_id, net_dev->dev_addr);
+ rc = efx_ef10_vport_add_mac(efx, efx->vport_id, net_dev->dev_addr);
if (rc)
goto fail3;
ether_addr_copy(nic_data->vport_mac, net_dev->dev_addr);
@@ -296,11 +295,11 @@ int efx_ef10_vswitching_probe_pf(struct efx_nic *efx)
return 0;
fail4:
- efx_ef10_vport_del_mac(efx, nic_data->vport_id, nic_data->vport_mac);
+ efx_ef10_vport_del_mac(efx, efx->vport_id, nic_data->vport_mac);
eth_zero_addr(nic_data->vport_mac);
fail3:
- efx_ef10_vport_free(efx, nic_data->vport_id);
- nic_data->vport_id = EVB_PORT_ID_ASSIGNED;
+ efx_ef10_vport_free(efx, efx->vport_id);
+ efx->vport_id = EVB_PORT_ID_ASSIGNED;
fail2:
efx_ef10_vswitch_free(efx, EVB_PORT_ID_ASSIGNED);
fail1:
@@ -355,22 +354,22 @@ void efx_ef10_vswitching_remove_pf(struct efx_nic *efx)
efx_ef10_sriov_free_vf_vswitching(efx);
- efx_ef10_vadaptor_free(efx, nic_data->vport_id);
+ efx_ef10_vadaptor_free(efx, efx->vport_id);
- if (nic_data->vport_id == EVB_PORT_ID_ASSIGNED)
+ if (efx->vport_id == EVB_PORT_ID_ASSIGNED)
return; /* No vswitch was ever created */
if (!is_zero_ether_addr(nic_data->vport_mac)) {
- efx_ef10_vport_del_mac(efx, nic_data->vport_id,
+ efx_ef10_vport_del_mac(efx, efx->vport_id,
efx->net_dev->dev_addr);
eth_zero_addr(nic_data->vport_mac);
}
- efx_ef10_vport_free(efx, nic_data->vport_id);
- nic_data->vport_id = EVB_PORT_ID_ASSIGNED;
+ efx_ef10_vport_free(efx, efx->vport_id);
+ efx->vport_id = EVB_PORT_ID_ASSIGNED;
/* Only free the vswitch if no VFs are assigned */
if (!pci_vfs_assigned(efx->pci_dev))
- efx_ef10_vswitch_free(efx, nic_data->vport_id);
+ efx_ef10_vswitch_free(efx, efx->vport_id);
}
void efx_ef10_vswitching_remove_vf(struct efx_nic *efx)
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 15c731d04065..a8cc3881edce 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -1425,23 +1425,16 @@ void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len)
le16_to_cpu(ver_words[2]),
le16_to_cpu(ver_words[3]));
- /* EF10 may have multiple datapath firmware variants within a
- * single version. Report which variants are running.
- */
- if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) {
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
-
- offset += scnprintf(buf + offset, len - offset, " rx%x tx%x",
- nic_data->rx_dpcpu_fw_id,
- nic_data->tx_dpcpu_fw_id);
+ if (efx->type->print_additional_fwver)
+ offset += efx->type->print_additional_fwver(efx, buf + offset,
+ len - offset);
- /* It's theoretically possible for the string to exceed 31
- * characters, though in practice the first three version
- * components are short enough that this doesn't happen.
- */
- if (WARN_ON(offset >= len))
- buf[0] = 0;
- }
+ /* It's theoretically possible for the string to exceed 31
+ * characters, though in practice the first three version
+ * components are short enough that this doesn't happen.
+ */
+ if (WARN_ON(offset >= len))
+ buf[0] = 0;
return;
diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
index 54a45010b576..b107e4c00285 100644
--- a/drivers/net/ethernet/sfc/mcdi.h
+++ b/drivers/net/ethernet/sfc/mcdi.h
@@ -326,6 +326,18 @@ void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev);
#define MCDI_EVENT_FIELD(_ev, _field) \
EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field)
+#define MCDI_CAPABILITY(field) \
+ MC_CMD_GET_CAPABILITIES_V4_OUT_ ## field ## _LBN
+
+#define MCDI_CAPABILITY_OFST(field) \
+ MC_CMD_GET_CAPABILITIES_V4_OUT_ ## field ## _OFST
+
+/* field is FLAGS1 or FLAGS2 */
+#define efx_has_cap(efx, flag, field) \
+ efx->type->check_caps(efx, \
+ MCDI_CAPABILITY(flag), \
+ MCDI_CAPABILITY_OFST(field))
+
void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len);
int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
u16 *fw_subtype_list, u32 *capabilities);
diff --git a/drivers/net/ethernet/sfc/mcdi_filters.c b/drivers/net/ethernet/sfc/mcdi_filters.c
index 4310ae5bd898..455a62814fb9 100644
--- a/drivers/net/ethernet/sfc/mcdi_filters.c
+++ b/drivers/net/ethernet/sfc/mcdi_filters.c
@@ -186,7 +186,6 @@ static void efx_mcdi_filter_push_prep(struct efx_nic *efx,
struct efx_rss_context *ctx,
bool replacing)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
u32 flags = spec->flags;
memset(inbuf, 0, MC_CMD_FILTER_OP_EXT_IN_LEN);
@@ -211,7 +210,7 @@ static void efx_mcdi_filter_push_prep(struct efx_nic *efx,
efx_mcdi_filter_push_prep_set_match_fields(efx, spec, inbuf);
}
- MCDI_SET_DWORD(inbuf, FILTER_OP_IN_PORT_ID, nic_data->vport_id);
+ MCDI_SET_DWORD(inbuf, FILTER_OP_IN_PORT_ID, efx->vport_id);
MCDI_SET_DWORD(inbuf, FILTER_OP_IN_RX_DEST,
spec->dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP ?
MC_CMD_FILTER_OP_IN_RX_DEST_DROP :
@@ -332,7 +331,6 @@ static s32 efx_mcdi_filter_insert_locked(struct efx_nic *efx,
bool replace_equal)
{
DECLARE_BITMAP(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT);
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
struct efx_mcdi_filter_table *table;
struct efx_filter_spec *saved_spec;
struct efx_rss_context *ctx = NULL;
@@ -461,7 +459,7 @@ static s32 efx_mcdi_filter_insert_locked(struct efx_nic *efx,
rc = efx_mcdi_filter_push(efx, spec, &table->entry[ins_index].handle,
ctx, replacing);
- if (rc == -EINVAL && nic_data->must_realloc_vis)
+ if (rc == -EINVAL && efx->must_realloc_vis)
/* The MC rebooted under us, causing it to reject our filter
* insertion as pointing to an invalid VI (spec->dmaq_id).
*/
@@ -813,7 +811,7 @@ static int efx_mcdi_filter_insert_def(struct efx_nic *efx,
enum efx_encap_type encap_type,
bool multicast, bool rollback)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ struct efx_mcdi_filter_table *table = efx->filter_state;
enum efx_filter_flags filter_flags;
struct efx_filter_spec spec;
u8 baddr[ETH_ALEN];
@@ -830,8 +828,7 @@ static int efx_mcdi_filter_insert_def(struct efx_nic *efx,
efx_filter_set_uc_def(&spec);
if (encap_type) {
- if (nic_data->datapath_caps &
- (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN))
+ if (efx_has_cap(efx, VXLAN_NVGRE, FLAGS1))
efx_filter_set_encap_type(&spec, encap_type);
else
/*
@@ -899,7 +896,7 @@ static int efx_mcdi_filter_insert_def(struct efx_nic *efx,
EFX_WARN_ON_PARANOID(*id != EFX_EF10_FILTER_ID_INVALID);
*id = efx_mcdi_filter_get_unsafe_id(rc);
- if (!nic_data->workaround_26807 && !encap_type) {
+ if (!table->mc_chaining && !encap_type) {
/* Also need an Ethernet broadcast filter */
efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO,
filter_flags, 0);
@@ -965,7 +962,6 @@ static void efx_mcdi_filter_vlan_sync_rx_mode(struct efx_nic *efx,
struct efx_mcdi_filter_vlan *vlan)
{
struct efx_mcdi_filter_table *table = efx->filter_state;
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
/*
* Do not install unspecified VID if VLAN filtering is enabled.
@@ -1012,11 +1008,10 @@ static void efx_mcdi_filter_vlan_sync_rx_mode(struct efx_nic *efx,
* If changing promiscuous state with cascaded multicast filters, remove
* old filters first, so that packets are dropped rather than duplicated
*/
- if (nic_data->workaround_26807 &&
- table->mc_promisc_last != table->mc_promisc)
+ if (table->mc_chaining && table->mc_promisc_last != table->mc_promisc)
efx_mcdi_filter_remove_old(efx);
if (table->mc_promisc) {
- if (nic_data->workaround_26807) {
+ if (table->mc_chaining) {
/*
* If we failed to insert promiscuous filters, rollback
* and fall back to individual multicast filters
@@ -1051,7 +1046,7 @@ static void efx_mcdi_filter_vlan_sync_rx_mode(struct efx_nic *efx,
*/
if (efx_mcdi_filter_insert_addr_list(efx, vlan, true, true)) {
/* Changing promisc state, so remove old filters */
- if (nic_data->workaround_26807)
+ if (table->mc_chaining)
efx_mcdi_filter_remove_old(efx);
if (efx_mcdi_filter_insert_def(efx, vlan,
EFX_ENCAP_TYPE_NONE,
@@ -1288,12 +1283,10 @@ efx_mcdi_filter_table_probe_matches(struct efx_nic *efx,
return 0;
}
-int efx_mcdi_filter_table_probe(struct efx_nic *efx)
+int efx_mcdi_filter_table_probe(struct efx_nic *efx, bool multicast_chaining)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
struct net_device *net_dev = efx->net_dev;
struct efx_mcdi_filter_table *table;
- struct efx_mcdi_filter_vlan *vlan;
int rc;
if (!efx_rwsem_assert_write_locked(&efx->filter_sem))
@@ -1306,12 +1299,12 @@ int efx_mcdi_filter_table_probe(struct efx_nic *efx)
if (!table)
return -ENOMEM;
+ table->mc_chaining = multicast_chaining;
table->rx_match_count = 0;
rc = efx_mcdi_filter_table_probe_matches(efx, table, false);
if (rc)
goto fail;
- if (nic_data->datapath_caps &
- (1 << MC_CMD_GET_CAPABILITIES_OUT_VXLAN_NVGRE_LBN))
+ if (efx_has_cap(efx, VXLAN_NVGRE, FLAGS1))
rc = efx_mcdi_filter_table_probe_matches(efx, table, true);
if (rc)
goto fail;
@@ -1342,22 +1335,22 @@ int efx_mcdi_filter_table_probe(struct efx_nic *efx)
efx->filter_state = table;
- list_for_each_entry(vlan, &nic_data->vlan_list, list) {
- rc = efx_mcdi_filter_add_vlan(efx, vlan->vid);
- if (rc)
- goto fail_add_vlan;
- }
-
return 0;
-
-fail_add_vlan:
- efx_mcdi_filter_cleanup_vlans(efx);
- efx->filter_state = NULL;
fail:
kfree(table);
return rc;
}
+void efx_mcdi_filter_table_reset_mc_allocations(struct efx_nic *efx)
+{
+ struct efx_mcdi_filter_table *table = efx->filter_state;
+
+ if (table) {
+ table->must_restore_filters = true;
+ table->must_restore_rss_contexts = true;
+ }
+}
+
/*
* Caller must hold efx->filter_sem for read if race against
* efx_mcdi_filter_table_remove() is possible
@@ -1365,7 +1358,6 @@ fail:
void efx_mcdi_filter_table_restore(struct efx_nic *efx)
{
struct efx_mcdi_filter_table *table = efx->filter_state;
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
unsigned int invalid_filters = 0, failed = 0;
struct efx_mcdi_filter_vlan *vlan;
struct efx_filter_spec *spec;
@@ -1377,10 +1369,7 @@ void efx_mcdi_filter_table_restore(struct efx_nic *efx)
WARN_ON(!rwsem_is_locked(&efx->filter_sem));
- if (!nic_data->must_restore_filters)
- return;
-
- if (!table)
+ if (!table || !table->must_restore_filters)
return;
down_write(&table->lock);
@@ -1456,7 +1445,7 @@ not_restored:
netif_err(efx, hw, efx->net_dev,
"unable to restore %u filters\n", failed);
else
- nic_data->must_restore_filters = false;
+ table->must_restore_filters = false;
}
void efx_mcdi_filter_table_remove(struct efx_nic *efx)
@@ -1921,7 +1910,6 @@ static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN);
MCDI_DECLARE_BUF(outbuf, MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN);
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
size_t outlen;
int rc;
u32 alloc_type = exclusive ?
@@ -1939,12 +1927,11 @@ static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive
return 0;
}
- if (nic_data->datapath_caps &
- 1 << MC_CMD_GET_CAPABILITIES_OUT_RX_RSS_LIMITED_LBN)
+ if (efx_has_cap(efx, RX_RSS_LIMITED, FLAGS1))
return -EOPNOTSUPP;
MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
- nic_data->vport_id);
+ efx->vport_id);
MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_TYPE, alloc_type);
MCDI_SET_DWORD(inbuf, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, rss_spread);
@@ -1961,8 +1948,7 @@ static int efx_mcdi_filter_alloc_rss_context(struct efx_nic *efx, bool exclusive
if (context_size)
*context_size = rss_spread;
- if (nic_data->datapath_caps &
- 1 << MC_CMD_GET_CAPABILITIES_OUT_ADDITIONAL_RSS_MODES_LBN)
+ if (efx_has_cap(efx, ADDITIONAL_RSS_MODES, FLAGS1))
efx_mcdi_set_rss_context_flags(efx, ctx);
return 0;
@@ -2030,14 +2016,14 @@ void efx_mcdi_rx_free_indir_table(struct efx_nic *efx)
static int efx_mcdi_filter_rx_push_shared_rss_config(struct efx_nic *efx,
unsigned *context_size)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ struct efx_mcdi_filter_table *table = efx->filter_state;
int rc = efx_mcdi_filter_alloc_rss_context(efx, false, &efx->rss_context,
context_size);
if (rc != 0)
return rc;
- nic_data->rx_rss_context_exclusive = false;
+ table->rx_rss_context_exclusive = false;
efx_set_default_rx_indir_table(efx, &efx->rss_context);
return 0;
}
@@ -2046,12 +2032,12 @@ static int efx_mcdi_filter_rx_push_exclusive_rss_config(struct efx_nic *efx,
const u32 *rx_indir_table,
const u8 *key)
{
+ struct efx_mcdi_filter_table *table = efx->filter_state;
u32 old_rx_rss_context = efx->rss_context.context_id;
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
int rc;
if (efx->rss_context.context_id == EFX_MCDI_RSS_CONTEXT_INVALID ||
- !nic_data->rx_rss_context_exclusive) {
+ !table->rx_rss_context_exclusive) {
rc = efx_mcdi_filter_alloc_rss_context(efx, true, &efx->rss_context,
NULL);
if (rc == -EOPNOTSUPP)
@@ -2068,7 +2054,7 @@ static int efx_mcdi_filter_rx_push_exclusive_rss_config(struct efx_nic *efx,
if (efx->rss_context.context_id != old_rx_rss_context &&
old_rx_rss_context != EFX_MCDI_RSS_CONTEXT_INVALID)
WARN_ON(efx_mcdi_filter_free_rss_context(efx, old_rx_rss_context) != 0);
- nic_data->rx_rss_context_exclusive = true;
+ table->rx_rss_context_exclusive = true;
if (rx_indir_table != efx->rss_context.rx_indir_table)
memcpy(efx->rss_context.rx_indir_table, rx_indir_table,
sizeof(efx->rss_context.rx_indir_table));
@@ -2182,13 +2168,13 @@ int efx_mcdi_rx_pull_rss_config(struct efx_nic *efx)
void efx_mcdi_rx_restore_rss_contexts(struct efx_nic *efx)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
+ struct efx_mcdi_filter_table *table = efx->filter_state;
struct efx_rss_context *ctx;
int rc;
WARN_ON(!mutex_is_locked(&efx->rss_lock));
- if (!nic_data->must_restore_rss_contexts)
+ if (!table->must_restore_rss_contexts)
return;
list_for_each_entry(ctx, &efx->rss_context.list, list) {
@@ -2204,7 +2190,7 @@ void efx_mcdi_rx_restore_rss_contexts(struct efx_nic *efx)
"; RSS filters may fail to be applied\n",
ctx->user_id, rc);
}
- nic_data->must_restore_rss_contexts = false;
+ table->must_restore_rss_contexts = false;
}
int efx_mcdi_pf_rx_push_rss_config(struct efx_nic *efx, bool user,
diff --git a/drivers/net/ethernet/sfc/mcdi_filters.h b/drivers/net/ethernet/sfc/mcdi_filters.h
index 1837f4f5d661..03a8bf74c733 100644
--- a/drivers/net/ethernet/sfc/mcdi_filters.h
+++ b/drivers/net/ethernet/sfc/mcdi_filters.h
@@ -55,6 +55,8 @@ struct efx_mcdi_filter_table {
u32 rx_match_mcdi_flags[
MC_CMD_GET_PARSER_DISP_INFO_OUT_SUPPORTED_MATCHES_MAXNUM * 2];
unsigned int rx_match_count;
+ /* Our RSS context is exclusive (as opposed to shared) */
+ bool rx_rss_context_exclusive;
struct rw_semaphore lock; /* Protects entries */
struct {
@@ -75,14 +77,27 @@ struct efx_mcdi_filter_table {
/* Whether in multicast promiscuous mode when last changed */
bool mc_promisc_last;
bool mc_overflow; /* Too many MC addrs; should always imply mc_promisc */
+ /* RSS contexts have yet to be restored after MC reboot */
+ bool must_restore_rss_contexts;
+ /* filters have yet to be restored after MC reboot */
+ bool must_restore_filters;
+ /* Multicast filter chaining allows less-specific filters to receive
+ * multicast packets that matched more-specific filters. Early EF10
+ * firmware didn't support this (SF bug 26807); if mc_chaining == false
+ * then we still subscribe the dev_mc_list even when mc_promisc to
+ * prevent another VI stealing the traffic.
+ */
+ bool mc_chaining;
bool vlan_filter;
struct list_head vlan_list;
};
-int efx_mcdi_filter_table_probe(struct efx_nic *efx);
+int efx_mcdi_filter_table_probe(struct efx_nic *efx, bool multicast_chaining);
void efx_mcdi_filter_table_remove(struct efx_nic *efx);
void efx_mcdi_filter_table_restore(struct efx_nic *efx);
+void efx_mcdi_filter_table_reset_mc_allocations(struct efx_nic *efx);
+
/*
* The filter table(s) are managed by firmware and we have write-only
* access. When removing filters we must identify them to the
diff --git a/drivers/net/ethernet/sfc/mcdi_functions.c b/drivers/net/ethernet/sfc/mcdi_functions.c
index dcfe78b0fa5a..962d8395d958 100644
--- a/drivers/net/ethernet/sfc/mcdi_functions.c
+++ b/drivers/net/ethernet/sfc/mcdi_functions.c
@@ -168,21 +168,18 @@ int efx_mcdi_tx_init(struct efx_tx_queue *tx_queue, bool tso_v2)
size_t entries = tx_queue->txd.buf.len / EFX_BUF_SIZE;
struct efx_channel *channel = tx_queue->channel;
struct efx_nic *efx = tx_queue->efx;
- struct efx_ef10_nic_data *nic_data;
dma_addr_t dma_addr;
size_t inlen;
int rc, i;
BUILD_BUG_ON(MC_CMD_INIT_TXQ_OUT_LEN != 0);
- nic_data = efx->nic_data;
-
MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_SIZE, tx_queue->ptr_mask + 1);
MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_TARGET_EVQ, channel->channel);
MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_LABEL, tx_queue->queue);
MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_INSTANCE, tx_queue->queue);
MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_OWNER_ID, 0);
- MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_PORT_ID, nic_data->vport_id);
+ MCDI_SET_DWORD(inbuf, INIT_TXQ_IN_PORT_ID, efx->vport_id);
dma_addr = tx_queue->txd.buf.dma_addr;
@@ -276,7 +273,6 @@ void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue)
struct efx_channel *channel = efx_rx_queue_channel(rx_queue);
size_t entries = rx_queue->rxd.buf.len / EFX_BUF_SIZE;
struct efx_nic *efx = rx_queue->efx;
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
dma_addr_t dma_addr;
size_t inlen;
int rc;
@@ -295,7 +291,7 @@ void efx_mcdi_rx_init(struct efx_rx_queue *rx_queue)
INIT_RXQ_IN_FLAG_PREFIX, 1,
INIT_RXQ_IN_FLAG_TIMESTAMP, 1);
MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_OWNER_ID, 0);
- MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, nic_data->vport_id);
+ MCDI_SET_DWORD(inbuf, INIT_RXQ_IN_PORT_ID, efx->vport_id);
dma_addr = rx_queue->rxd.buf.dma_addr;
diff --git a/drivers/net/ethernet/sfc/mcdi_port.c b/drivers/net/ethernet/sfc/mcdi_port.c
index ab5227b13ae6..b807871d8f69 100644
--- a/drivers/net/ethernet/sfc/mcdi_port.c
+++ b/drivers/net/ethernet/sfc/mcdi_port.c
@@ -722,11 +722,8 @@ static int efx_mcdi_mac_stats(struct efx_nic *efx,
MAC_STATS_IN_PERIOD_MS, period);
MCDI_SET_DWORD(inbuf, MAC_STATS_IN_DMA_LEN, dma_len);
- if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) {
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
-
- MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, nic_data->vport_id);
- }
+ if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0)
+ MCDI_SET_DWORD(inbuf, MAC_STATS_IN_PORT_ID, efx->vport_id);
rc = efx_mcdi_rpc_quiet(efx, MC_CMD_MAC_STATS, inbuf, sizeof(inbuf),
NULL, 0, NULL);
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index b084e623b5f4..1afb58feb9ab 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -887,8 +887,10 @@ struct efx_async_filter_insertion {
* @rss_context: Main RSS context. Its @list member is the head of the list of
* RSS contexts created by user requests
* @rss_lock: Protects custom RSS context software state in @rss_context.list
+ * @vport_id: The function's vport ID, only relevant for PFs
* @int_error_count: Number of internal errors seen recently
* @int_error_expire: Time at which error count will be expired
+ * @must_realloc_vis: Flag: VIs have yet to be reallocated after MC reboot
* @irq_soft_enabled: Are IRQs soft-enabled? If not, IRQ handler will
* acknowledge but do nothing else.
* @irq_status: Interrupt status buffer
@@ -1044,10 +1046,12 @@ struct efx_nic {
bool rx_scatter;
struct efx_rss_context rss_context;
struct mutex rss_lock;
+ u32 vport_id;
unsigned int_error_count;
unsigned long int_error_expire;
+ bool must_realloc_vis;
bool irq_soft_enabled;
struct efx_buffer irq_status;
unsigned irq_zero_count;
@@ -1292,6 +1296,7 @@ struct efx_udp_tunnel {
* @udp_tnl_add_port: Add a UDP tunnel port
* @udp_tnl_has_port: Check if a port has been added as UDP tunnel
* @udp_tnl_del_port: Remove a UDP tunnel port
+ * @print_additional_fwver: Dump NIC-specific additional FW version info
* @revision: Hardware architecture revision
* @txd_ptr_tbl_base: TX descriptor ring base address
* @rxd_ptr_tbl_base: RX descriptor ring base address
@@ -1352,6 +1357,9 @@ struct efx_nic_type {
void (*get_wol)(struct efx_nic *efx, struct ethtool_wolinfo *wol);
int (*set_wol)(struct efx_nic *efx, u32 type);
void (*resume_wol)(struct efx_nic *efx);
+ unsigned int (*check_caps)(const struct efx_nic *efx,
+ u8 flag,
+ u32 offset);
int (*test_chip)(struct efx_nic *efx, struct efx_self_tests *tests);
int (*test_nvram)(struct efx_nic *efx);
void (*mcdi_request)(struct efx_nic *efx,
@@ -1462,6 +1470,8 @@ struct efx_nic_type {
int (*udp_tnl_add_port)(struct efx_nic *efx, struct efx_udp_tunnel tnl);
bool (*udp_tnl_has_port)(struct efx_nic *efx, __be16 port);
int (*udp_tnl_del_port)(struct efx_nic *efx, struct efx_udp_tunnel tnl);
+ size_t (*print_additional_fwver)(struct efx_nic *efx, char *buf,
+ size_t len);
int revision;
unsigned int txd_ptr_tbl_base;
diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
index 6670fda8f35a..8f73c5d996eb 100644
--- a/drivers/net/ethernet/sfc/nic.h
+++ b/drivers/net/ethernet/sfc/nic.h
@@ -360,10 +360,6 @@ enum {
* @warm_boot_count: Last seen MC warm boot count
* @vi_base: Absolute index of first VI in this function
* @n_allocated_vis: Number of VIs allocated to this function
- * @must_realloc_vis: Flag: VIs have yet to be reallocated after MC reboot
- * @must_restore_rss_contexts: Flag: RSS contexts have yet to be restored after
- * MC reboot
- * @must_restore_filters: Flag: filters have yet to be restored after MC reboot
* @n_piobufs: Number of PIO buffers allocated to this function
* @wc_membase: Base address of write-combining mapping of the memory BAR
* @pio_write_base: Base address for writing PIO buffers
@@ -372,7 +368,6 @@ enum {
* @piobuf_size: size of a single PIO buffer
* @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
* reboot
- * @rx_rss_context_exclusive: Whether our RSS context is exclusive or shared
* @stats: Hardware statistics
* @workaround_35388: Flag: firmware supports workaround for bug 35388
* @workaround_26807: Flag: firmware supports workaround for bug 26807
@@ -385,7 +380,6 @@ enum {
* %MC_CMD_GET_CAPABILITIES response)
* @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
* @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
- * @vport_id: The function's vport ID, only relevant for PFs
* @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
* @pf_index: The number for this PF, or the parent PF if this is a VF
#ifdef CONFIG_SFC_SRIOV
@@ -404,16 +398,12 @@ struct efx_ef10_nic_data {
u16 warm_boot_count;
unsigned int vi_base;
unsigned int n_allocated_vis;
- bool must_realloc_vis;
- bool must_restore_rss_contexts;
- bool must_restore_filters;
unsigned int n_piobufs;
void __iomem *wc_membase, *pio_write_base;
unsigned int pio_write_vi_base;
unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
u16 piobuf_size;
bool must_restore_piobufs;
- bool rx_rss_context_exclusive;
u64 stats[EF10_STAT_COUNT];
bool workaround_35388;
bool workaround_26807;
@@ -423,7 +413,6 @@ struct efx_ef10_nic_data {
u32 datapath_caps2;
unsigned int rx_dpcpu_fw_id;
unsigned int tx_dpcpu_fw_id;
- unsigned int vport_id;
bool must_probe_vswitching;
unsigned int pf_index;
u8 port_id[ETH_ALEN];
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 59b4f16896a8..04c7283d205e 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -352,12 +352,7 @@ static int efx_phc_enable(struct ptp_clock_info *ptp,
bool efx_ptp_use_mac_tx_timestamps(struct efx_nic *efx)
{
- struct efx_ef10_nic_data *nic_data = efx->nic_data;
-
- return ((efx_nic_rev(efx) >= EFX_REV_HUNT_A0) &&
- (nic_data->datapath_caps2 &
- (1 << MC_CMD_GET_CAPABILITIES_V2_OUT_TX_MAC_TIMESTAMPING_LBN)
- ));
+ return efx_has_cap(efx, TX_MAC_TIMESTAMPING, FLAGS2);
}
/* PTP 'extra' channel is still a traffic channel, but we only create TX queues
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index 260352d97d9d..c01916cff507 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -308,6 +308,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel,
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + rx_buf->len;
xdp.rxq = &rx_queue->xdp_rxq_info;
+ xdp.frame_sz = efx->rx_page_buf_step;
xdp_act = bpf_prog_run_xdp(xdp_prog, &xdp);
rcu_read_unlock();
@@ -328,7 +329,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel,
case XDP_TX:
/* Buffer ownership passes to tx on success. */
- xdpf = convert_to_xdp_frame(&xdp);
+ xdpf = xdp_convert_buff_to_frame(&xdp);
err = efx_xdp_tx_buffers(efx, 1, &xdpf, true);
if (unlikely(err != 1)) {
efx_free_rx_buffers(rx_queue, rx_buf, 1);
diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
index baa464161626..891e9fb6abec 100644
--- a/drivers/net/ethernet/sfc/siena.c
+++ b/drivers/net/ethernet/sfc/siena.c
@@ -948,6 +948,13 @@ fail:
#endif /* CONFIG_SFC_MTD */
+static unsigned int siena_check_caps(const struct efx_nic *efx,
+ u8 flag, u32 offset)
+{
+ /* Siena did not support MC_CMD_GET_CAPABILITIES */
+ return 0;
+}
+
/**************************************************************************
*
* Revision-dependent attributes used by efx.c and nic.c
@@ -1086,4 +1093,5 @@ const struct efx_nic_type siena_a0_nic_type = {
1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT |
1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT),
.rx_hash_key_size = 16,
+ .check_caps = siena_check_caps,
};
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c
index 7305e8e86c51..6646eba9f57f 100644
--- a/drivers/net/ethernet/sgi/ioc3-eth.c
+++ b/drivers/net/ethernet/sgi/ioc3-eth.c
@@ -848,14 +848,14 @@ static int ioc3eth_probe(struct platform_device *pdev)
ip = netdev_priv(dev);
ip->dma_dev = pdev->dev.parent;
ip->regs = devm_platform_ioremap_resource(pdev, 0);
- if (!ip->regs) {
- err = -ENOMEM;
+ if (IS_ERR(ip->regs)) {
+ err = PTR_ERR(ip->regs);
goto out_free;
}
ip->ssram = devm_platform_ioremap_resource(pdev, 1);
- if (!ip->ssram) {
- err = -ENOMEM;
+ if (IS_ERR(ip->ssram)) {
+ err = PTR_ERR(ip->ssram);
goto out_free;
}
diff --git a/drivers/net/ethernet/sgi/meth.h b/drivers/net/ethernet/sgi/meth.h
index 5b145c6bad60..2ba15c263e8b 100644
--- a/drivers/net/ethernet/sgi/meth.h
+++ b/drivers/net/ethernet/sgi/meth.h
@@ -1,19 +1,3 @@
-
-/*
- * snull.h -- definitions for the network module
- *
- * Copyright (C) 2001 Alessandro Rubini and Jonathan Corbet
- * Copyright (C) 2001 O'Reilly & Associates
- *
- * The source code in this file can be freely used, adapted,
- * and redistributed in source or binary form, so long as an
- * acknowledgment appears in derived source files. The citation
- * should list that the code comes from the book "Linux Device
- * Drivers" by Alessandro Rubini and Jonathan Corbet, published
- * by O'Reilly & Associates. No warranty is attached;
- * we cannot take responsibility for errors or fitness for use.
- */
-
/* version dependencies have been confined to a separate file */
/* Tunable parameters */
diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 9e1c3752b200..4d2d91ec8b41 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -28,7 +28,7 @@ config SMC9194
option if you have a DELL laptop with the docking station, or
another SMC9192/9194 based chipset. Say Y if you want it compiled
into the kernel, and read the file
- <file:Documentation/networking/device_drivers/smsc/smc9.txt>.
+ <file:Documentation/networking/device_drivers/smsc/smc9.rst>.
To compile this driver as a module, choose M here. The module
will be called smc9194.
@@ -44,7 +44,7 @@ config SMC91X
This is a driver for SMC's 91x series of Ethernet chipsets,
including the SMC91C94 and the SMC91C111. Say Y if you want it
compiled into the kernel, and read the file
- <file:Documentation/networking/device_drivers/smsc/smc9.txt>.
+ <file:Documentation/networking/device_drivers/smsc/smc9.rst>.
This driver is also available as a module ( = code which can be
inserted in and removed from the running kernel whenever you want).
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 49a6a9167af4..fc168f85e7af 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2493,20 +2493,20 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
retval = smsc911x_init(dev);
if (retval < 0)
- goto out_disable_resources;
+ goto out_init_fail;
netif_carrier_off(dev);
retval = smsc911x_mii_init(pdev, dev);
if (retval) {
SMSC_WARN(pdata, probe, "Error %i initialising mii", retval);
- goto out_disable_resources;
+ goto out_init_fail;
}
retval = register_netdev(dev);
if (retval) {
SMSC_WARN(pdata, probe, "Error %i registering device", retval);
- goto out_disable_resources;
+ goto out_init_fail;
} else {
SMSC_TRACE(pdata, probe,
"Network interface: \"%s\"", dev->name);
@@ -2547,9 +2547,10 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
return 0;
-out_disable_resources:
+out_init_fail:
pm_runtime_put(&pdev->dev);
pm_runtime_disable(&pdev->dev);
+out_disable_resources:
(void)smsc911x_disable_resources(pdev);
out_enable_resources_fail:
smsc911x_free_resources(pdev);
diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index a5a0fb60193a..328bc38848bb 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -867,7 +867,7 @@ static u32 netsec_xdp_queue_one(struct netsec_priv *priv,
static u32 netsec_xdp_xmit_back(struct netsec_priv *priv, struct xdp_buff *xdp)
{
struct netsec_desc_ring *tx_ring = &priv->desc_ring[NETSEC_RING_TX];
- struct xdp_frame *xdpf = convert_to_xdp_frame(xdp);
+ struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
u32 ret;
if (unlikely(!xdpf))
@@ -884,23 +884,28 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog,
struct xdp_buff *xdp)
{
struct netsec_desc_ring *dring = &priv->desc_ring[NETSEC_RING_RX];
- unsigned int len = xdp->data_end - xdp->data;
+ unsigned int sync, len = xdp->data_end - xdp->data;
u32 ret = NETSEC_XDP_PASS;
+ struct page *page;
int err;
u32 act;
act = bpf_prog_run_xdp(prog, xdp);
+ /* Due xdp_adjust_tail: DMA sync for_device cover max len CPU touch */
+ sync = xdp->data_end - xdp->data_hard_start - NETSEC_RXBUF_HEADROOM;
+ sync = max(sync, len);
+
switch (act) {
case XDP_PASS:
ret = NETSEC_XDP_PASS;
break;
case XDP_TX:
ret = netsec_xdp_xmit_back(priv, xdp);
- if (ret != NETSEC_XDP_TX)
- page_pool_put_page(dring->page_pool,
- virt_to_head_page(xdp->data), len,
- true);
+ if (ret != NETSEC_XDP_TX) {
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
+ }
break;
case XDP_REDIRECT:
err = xdp_do_redirect(priv->ndev, xdp, prog);
@@ -908,9 +913,8 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog,
ret = NETSEC_XDP_REDIR;
} else {
ret = NETSEC_XDP_CONSUMED;
- page_pool_put_page(dring->page_pool,
- virt_to_head_page(xdp->data), len,
- true);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
}
break;
default:
@@ -921,8 +925,8 @@ static u32 netsec_run_xdp(struct netsec_priv *priv, struct bpf_prog *prog,
/* fall through -- handle aborts by dropping packet */
case XDP_DROP:
ret = NETSEC_XDP_CONSUMED;
- page_pool_put_page(dring->page_pool,
- virt_to_head_page(xdp->data), len, true);
+ page = virt_to_head_page(xdp->data);
+ page_pool_put_page(dring->page_pool, page, sync, true);
break;
}
@@ -936,10 +940,14 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
struct netsec_rx_pkt_info rx_info;
enum dma_data_direction dma_dir;
struct bpf_prog *xdp_prog;
+ struct xdp_buff xdp;
u16 xdp_xmit = 0;
u32 xdp_act = 0;
int done = 0;
+ xdp.rxq = &dring->xdp_rxq;
+ xdp.frame_sz = PAGE_SIZE;
+
rcu_read_lock();
xdp_prog = READ_ONCE(priv->xdp_prog);
dma_dir = page_pool_get_dma_dir(dring->page_pool);
@@ -953,7 +961,6 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
struct sk_buff *skb = NULL;
u16 pkt_len, desc_len;
dma_addr_t dma_handle;
- struct xdp_buff xdp;
void *buf_addr;
if (de->attr & (1U << NETSEC_RX_PKT_OWN_FIELD)) {
@@ -1002,7 +1009,6 @@ static int netsec_process_rx(struct netsec_priv *priv, int budget)
xdp.data = desc->addr + NETSEC_RXBUF_HEADROOM;
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + pkt_len;
- xdp.rxq = &dring->xdp_rxq;
if (xdp_prog) {
xdp_result = netsec_run_xdp(priv, xdp_prog, &xdp);
diff --git a/drivers/net/ethernet/socionext/sni_ave.c b/drivers/net/ethernet/socionext/sni_ave.c
index 67ddf782d98a..f2638446b62e 100644
--- a/drivers/net/ethernet/socionext/sni_ave.c
+++ b/drivers/net/ethernet/socionext/sni_ave.c
@@ -1394,7 +1394,7 @@ static int ave_stop(struct net_device *ndev)
return 0;
}
-static int ave_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t ave_start_xmit(struct sk_buff *skb, struct net_device *ndev)
{
struct ave_private *priv = netdev_priv(ndev);
u32 proc_idx, done_idx, ndesc, cmdsts;
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index b46f8d2ae6d7..36bd2e18f23b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -196,6 +196,19 @@ config DWMAC_SUN8I
This selects Allwinner SoC glue layer support for the
stmmac device driver. This driver is used for H3/A83T/A64
EMAC ethernet controller.
+
+config DWMAC_IMX8
+ tristate "NXP IMX8 DWMAC support"
+ default ARCH_MXC
+ depends on OF && (ARCH_MXC || COMPILE_TEST)
+ select MFD_SYSCON
+ ---help---
+ Support for ethernet controller on NXP i.MX8 SOCs.
+
+ This selects NXP SoC glue layer support for the stmmac
+ device driver. This driver is used for i.MX8 series like
+ iMX8MP/iMX8DXL GMAC ethernet controller.
+
endif
config DWMAC_INTEL
diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile
index 5a6f265bc540..295615ab36a7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -27,9 +27,10 @@ obj-$(CONFIG_DWMAC_SUNXI) += dwmac-sunxi.o
obj-$(CONFIG_DWMAC_SUN8I) += dwmac-sun8i.o
obj-$(CONFIG_DWMAC_DWC_QOS_ETH) += dwmac-dwc-qos-eth.o
obj-$(CONFIG_DWMAC_GENERIC) += dwmac-generic.o
+obj-$(CONFIG_DWMAC_IMX8) += dwmac-imx.o
stmmac-platform-objs:= stmmac_platform.o
dwmac-altr-socfpga-objs := altr_tse_pcs.o dwmac-socfpga.o
-obj-$(CONFIG_DWMAC_INTEL) += dwmac-intel.o
-obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
+obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
+obj-$(CONFIG_DWMAC_INTEL) += dwmac-intel.o
stmmac-pci-objs:= stmmac_pci.o
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 6208a68a331d..127f75862962 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -473,6 +473,7 @@ struct mac_device_info {
unsigned int xlgmac;
unsigned int num_vlan;
u32 vlan_filter[32];
+ unsigned int promisc;
};
struct stmmac_rx_routing {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
new file mode 100644
index 000000000000..5010af7dab4a
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * dwmac-imx.c - DWMAC Specific Glue layer for NXP imx8
+ *
+ * Copyright 2020 NXP
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/gpio/consumer.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_net.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include <linux/pm_wakeirq.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/stmmac.h>
+
+#include "stmmac_platform.h"
+
+#define GPR_ENET_QOS_INTF_MODE_MASK GENMASK(21, 16)
+#define GPR_ENET_QOS_INTF_SEL_MII (0x0 << 16)
+#define GPR_ENET_QOS_INTF_SEL_RMII (0x4 << 16)
+#define GPR_ENET_QOS_INTF_SEL_RGMII (0x1 << 16)
+#define GPR_ENET_QOS_CLK_GEN_EN (0x1 << 19)
+#define GPR_ENET_QOS_CLK_TX_CLK_SEL (0x1 << 20)
+#define GPR_ENET_QOS_RGMII_EN (0x1 << 21)
+
+struct imx_dwmac_ops {
+ u32 addr_width;
+ bool mac_rgmii_txclk_auto_adj;
+
+ int (*set_intf_mode)(struct plat_stmmacenet_data *plat_dat);
+};
+
+struct imx_priv_data {
+ struct device *dev;
+ struct clk *clk_tx;
+ struct clk *clk_mem;
+ struct regmap *intf_regmap;
+ u32 intf_reg_off;
+ bool rmii_refclk_ext;
+
+ const struct imx_dwmac_ops *ops;
+ struct plat_stmmacenet_data *plat_dat;
+};
+
+static int imx8mp_set_intf_mode(struct plat_stmmacenet_data *plat_dat)
+{
+ struct imx_priv_data *dwmac = plat_dat->bsp_priv;
+ int val;
+
+ switch (plat_dat->interface) {
+ case PHY_INTERFACE_MODE_MII:
+ val = GPR_ENET_QOS_INTF_SEL_MII;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ val = GPR_ENET_QOS_INTF_SEL_RMII;
+ val |= (dwmac->rmii_refclk_ext ? 0 : GPR_ENET_QOS_CLK_TX_CLK_SEL);
+ break;
+ case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ val = GPR_ENET_QOS_INTF_SEL_RGMII |
+ GPR_ENET_QOS_RGMII_EN;
+ break;
+ default:
+ pr_debug("imx dwmac doesn't support %d interface\n",
+ plat_dat->interface);
+ return -EINVAL;
+ }
+
+ val |= GPR_ENET_QOS_CLK_GEN_EN;
+ return regmap_update_bits(dwmac->intf_regmap, dwmac->intf_reg_off,
+ GPR_ENET_QOS_INTF_MODE_MASK, val);
+};
+
+static int
+imx8dxl_set_intf_mode(struct plat_stmmacenet_data *plat_dat)
+{
+ int ret = 0;
+
+ /* TBD: depends on imx8dxl scu interfaces to be upstreamed */
+ return ret;
+}
+
+static int imx_dwmac_init(struct platform_device *pdev, void *priv)
+{
+ struct plat_stmmacenet_data *plat_dat;
+ struct imx_priv_data *dwmac = priv;
+ int ret;
+
+ plat_dat = dwmac->plat_dat;
+
+ ret = clk_prepare_enable(dwmac->clk_mem);
+ if (ret) {
+ dev_err(&pdev->dev, "mem clock enable failed\n");
+ return ret;
+ }
+
+ ret = clk_prepare_enable(dwmac->clk_tx);
+ if (ret) {
+ dev_err(&pdev->dev, "tx clock enable failed\n");
+ goto clk_tx_en_failed;
+ }
+
+ if (dwmac->ops->set_intf_mode) {
+ ret = dwmac->ops->set_intf_mode(plat_dat);
+ if (ret)
+ goto intf_mode_failed;
+ }
+
+ return 0;
+
+intf_mode_failed:
+ clk_disable_unprepare(dwmac->clk_tx);
+clk_tx_en_failed:
+ clk_disable_unprepare(dwmac->clk_mem);
+ return ret;
+}
+
+static void imx_dwmac_exit(struct platform_device *pdev, void *priv)
+{
+ struct imx_priv_data *dwmac = priv;
+
+ if (dwmac->clk_tx)
+ clk_disable_unprepare(dwmac->clk_tx);
+ clk_disable_unprepare(dwmac->clk_mem);
+}
+
+static void imx_dwmac_fix_speed(void *priv, unsigned int speed)
+{
+ struct plat_stmmacenet_data *plat_dat;
+ struct imx_priv_data *dwmac = priv;
+ unsigned long rate;
+ int err;
+
+ plat_dat = dwmac->plat_dat;
+
+ if (dwmac->ops->mac_rgmii_txclk_auto_adj ||
+ (plat_dat->interface == PHY_INTERFACE_MODE_RMII) ||
+ (plat_dat->interface == PHY_INTERFACE_MODE_MII))
+ return;
+
+ switch (speed) {
+ case SPEED_1000:
+ rate = 125000000;
+ break;
+ case SPEED_100:
+ rate = 25000000;
+ break;
+ case SPEED_10:
+ rate = 2500000;
+ break;
+ default:
+ dev_err(dwmac->dev, "invalid speed %u\n", speed);
+ return;
+ }
+
+ err = clk_set_rate(dwmac->clk_tx, rate);
+ if (err < 0)
+ dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate);
+}
+
+static int
+imx_dwmac_parse_dt(struct imx_priv_data *dwmac, struct device *dev)
+{
+ struct device_node *np = dev->of_node;
+ int err = 0;
+
+ if (of_get_property(np, "snps,rmii_refclk_ext", NULL))
+ dwmac->rmii_refclk_ext = true;
+
+ dwmac->clk_tx = devm_clk_get(dev, "tx");
+ if (IS_ERR(dwmac->clk_tx)) {
+ dev_err(dev, "failed to get tx clock\n");
+ return PTR_ERR(dwmac->clk_tx);
+ }
+
+ dwmac->clk_mem = NULL;
+ if (of_machine_is_compatible("fsl,imx8dxl")) {
+ dwmac->clk_mem = devm_clk_get(dev, "mem");
+ if (IS_ERR(dwmac->clk_mem)) {
+ dev_err(dev, "failed to get mem clock\n");
+ return PTR_ERR(dwmac->clk_mem);
+ }
+ }
+
+ if (of_machine_is_compatible("fsl,imx8mp")) {
+ /* Binding doc describes the propety:
+ is required by i.MX8MP.
+ is optinoal for i.MX8DXL.
+ */
+ dwmac->intf_regmap = syscon_regmap_lookup_by_phandle(np, "intf_mode");
+ if (IS_ERR(dwmac->intf_regmap))
+ return PTR_ERR(dwmac->intf_regmap);
+
+ err = of_property_read_u32_index(np, "intf_mode", 1, &dwmac->intf_reg_off);
+ if (err) {
+ dev_err(dev, "Can't get intf mode reg offset (%d)\n", err);
+ return err;
+ }
+ }
+
+ return err;
+}
+
+static int imx_dwmac_probe(struct platform_device *pdev)
+{
+ struct plat_stmmacenet_data *plat_dat;
+ struct stmmac_resources stmmac_res;
+ struct imx_priv_data *dwmac;
+ const struct imx_dwmac_ops *data;
+ int ret;
+
+ ret = stmmac_get_platform_resources(pdev, &stmmac_res);
+ if (ret)
+ return ret;
+
+ dwmac = devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL);
+ if (!dwmac)
+ return PTR_ERR(dwmac);
+
+ plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+ if (IS_ERR(plat_dat))
+ return PTR_ERR(plat_dat);
+
+ data = of_device_get_match_data(&pdev->dev);
+ if (!data) {
+ dev_err(&pdev->dev, "failed to get match data\n");
+ ret = -EINVAL;
+ goto err_match_data;
+ }
+
+ dwmac->ops = data;
+ dwmac->dev = &pdev->dev;
+
+ ret = imx_dwmac_parse_dt(dwmac, &pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse OF data\n");
+ goto err_parse_dt;
+ }
+
+ ret = dma_set_mask_and_coherent(&pdev->dev,
+ DMA_BIT_MASK(dwmac->ops->addr_width));
+ if (ret) {
+ dev_err(&pdev->dev, "DMA mask set failed\n");
+ goto err_dma_mask;
+ }
+
+ plat_dat->init = imx_dwmac_init;
+ plat_dat->exit = imx_dwmac_exit;
+ plat_dat->fix_mac_speed = imx_dwmac_fix_speed;
+ plat_dat->bsp_priv = dwmac;
+ dwmac->plat_dat = plat_dat;
+
+ ret = imx_dwmac_init(pdev, dwmac);
+ if (ret)
+ goto err_dwmac_init;
+
+ ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
+ if (ret)
+ goto err_drv_probe;
+
+ return 0;
+
+err_dwmac_init:
+err_drv_probe:
+ imx_dwmac_exit(pdev, plat_dat->bsp_priv);
+err_dma_mask:
+err_parse_dt:
+err_match_data:
+ stmmac_remove_config_dt(pdev, plat_dat);
+ return ret;
+}
+
+static struct imx_dwmac_ops imx8mp_dwmac_data = {
+ .addr_width = 34,
+ .mac_rgmii_txclk_auto_adj = false,
+ .set_intf_mode = imx8mp_set_intf_mode,
+};
+
+static struct imx_dwmac_ops imx8dxl_dwmac_data = {
+ .addr_width = 32,
+ .mac_rgmii_txclk_auto_adj = true,
+ .set_intf_mode = imx8dxl_set_intf_mode,
+};
+
+static const struct of_device_id imx_dwmac_match[] = {
+ { .compatible = "nxp,imx8mp-dwmac-eqos", .data = &imx8mp_dwmac_data },
+ { .compatible = "nxp,imx8dxl-dwmac-eqos", .data = &imx8dxl_dwmac_data },
+ { }
+};
+MODULE_DEVICE_TABLE(of, imx_dwmac_match);
+
+static struct platform_driver imx_dwmac_driver = {
+ .probe = imx_dwmac_probe,
+ .remove = stmmac_pltfr_remove,
+ .driver = {
+ .name = "imx-dwmac",
+ .pm = &stmmac_pltfr_pm_ops,
+ .of_match_table = imx_dwmac_match,
+ },
+};
+module_platform_driver(imx_dwmac_driver);
+
+MODULE_AUTHOR("NXP");
+MODULE_DESCRIPTION("NXP imx8 DWMAC Specific Glue layer");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
index 5419d4e478c0..2ac9dfb3462c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
@@ -5,8 +5,13 @@
#include <linux/clk-provider.h>
#include <linux/pci.h>
#include <linux/dmi.h>
+#include "dwmac-intel.h"
#include "stmmac.h"
+struct intel_priv_data {
+ int mdio_adhoc_addr; /* mdio address for serdes & etc */
+};
+
/* This struct is used to associate PCI Function of MAC controller on a board,
* discovered via DMI, with the address of PHY connected to the MAC. The
* negative value of the address means that MAC controller is not connected
@@ -49,6 +54,152 @@ static int stmmac_pci_find_phy_addr(struct pci_dev *pdev,
return -ENODEV;
}
+static int serdes_status_poll(struct stmmac_priv *priv, int phyaddr,
+ int phyreg, u32 mask, u32 val)
+{
+ unsigned int retries = 10;
+ int val_rd;
+
+ do {
+ val_rd = mdiobus_read(priv->mii, phyaddr, phyreg);
+ if ((val_rd & mask) == (val & mask))
+ return 0;
+ udelay(POLL_DELAY_US);
+ } while (--retries);
+
+ return -ETIMEDOUT;
+}
+
+static int intel_serdes_powerup(struct net_device *ndev, void *priv_data)
+{
+ struct intel_priv_data *intel_priv = priv_data;
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ int serdes_phy_addr = 0;
+ u32 data = 0;
+
+ if (!intel_priv->mdio_adhoc_addr)
+ return 0;
+
+ serdes_phy_addr = intel_priv->mdio_adhoc_addr;
+
+ /* assert clk_req */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+ data |= SERDES_PLL_CLK;
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* check for clk_ack assertion */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_PLL_CLK,
+ SERDES_PLL_CLK);
+
+ if (data) {
+ dev_err(priv->device, "Serdes PLL clk request timeout\n");
+ return data;
+ }
+
+ /* assert lane reset */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+ data |= SERDES_RST;
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* check for assert lane reset reflection */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_RST,
+ SERDES_RST);
+
+ if (data) {
+ dev_err(priv->device, "Serdes assert lane reset timeout\n");
+ return data;
+ }
+
+ /* move power state to P0 */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+
+ data &= ~SERDES_PWR_ST_MASK;
+ data |= SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT;
+
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* Check for P0 state */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_PWR_ST_MASK,
+ SERDES_PWR_ST_P0 << SERDES_PWR_ST_SHIFT);
+
+ if (data) {
+ dev_err(priv->device, "Serdes power state P0 timeout.\n");
+ return data;
+ }
+
+ return 0;
+}
+
+static void intel_serdes_powerdown(struct net_device *ndev, void *intel_data)
+{
+ struct intel_priv_data *intel_priv = intel_data;
+ struct stmmac_priv *priv = netdev_priv(ndev);
+ int serdes_phy_addr = 0;
+ u32 data = 0;
+
+ if (!intel_priv->mdio_adhoc_addr)
+ return;
+
+ serdes_phy_addr = intel_priv->mdio_adhoc_addr;
+
+ /* move power state to P3 */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+
+ data &= ~SERDES_PWR_ST_MASK;
+ data |= SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT;
+
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* Check for P3 state */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_PWR_ST_MASK,
+ SERDES_PWR_ST_P3 << SERDES_PWR_ST_SHIFT);
+
+ if (data) {
+ dev_err(priv->device, "Serdes power state P3 timeout\n");
+ return;
+ }
+
+ /* de-assert clk_req */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+ data &= ~SERDES_PLL_CLK;
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* check for clk_ack de-assert */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_PLL_CLK,
+ (u32)~SERDES_PLL_CLK);
+
+ if (data) {
+ dev_err(priv->device, "Serdes PLL clk de-assert timeout\n");
+ return;
+ }
+
+ /* de-assert lane reset */
+ data = mdiobus_read(priv->mii, serdes_phy_addr, SERDES_GCR0);
+ data &= ~SERDES_RST;
+ mdiobus_write(priv->mii, serdes_phy_addr, SERDES_GCR0, data);
+
+ /* check for de-assert lane reset reflection */
+ data = serdes_status_poll(priv, serdes_phy_addr,
+ SERDES_GSR0,
+ SERDES_RST,
+ (u32)~SERDES_RST);
+
+ if (data) {
+ dev_err(priv->device, "Serdes de-assert lane reset timeout\n");
+ return;
+ }
+}
+
static void common_default_data(struct plat_stmmacenet_data *plat)
{
plat->clk_csr = 2; /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */
@@ -81,6 +232,7 @@ static void common_default_data(struct plat_stmmacenet_data *plat)
static int intel_mgbe_common_data(struct pci_dev *pdev,
struct plat_stmmacenet_data *plat)
{
+ int ret;
int i;
plat->clk_csr = 5;
@@ -153,7 +305,12 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
dev_warn(&pdev->dev, "Fail to register stmmac-clk\n");
plat->stmmac_clk = NULL;
}
- clk_prepare_enable(plat->stmmac_clk);
+
+ ret = clk_prepare_enable(plat->stmmac_clk);
+ if (ret) {
+ clk_unregister_fixed_rate(plat->stmmac_clk);
+ return ret;
+ }
/* Set default value for multicast hash bins */
plat->multicast_filter_bins = HASH_TABLE_SIZE;
@@ -170,16 +327,11 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
static int ehl_common_data(struct pci_dev *pdev,
struct plat_stmmacenet_data *plat)
{
- int ret;
-
plat->rx_queues_to_use = 8;
plat->tx_queues_to_use = 8;
plat->clk_ptp_rate = 200000000;
- ret = intel_mgbe_common_data(pdev, plat);
- if (ret)
- return ret;
- return 0;
+ return intel_mgbe_common_data(pdev, plat);
}
static int ehl_sgmii_data(struct pci_dev *pdev,
@@ -189,10 +341,13 @@ static int ehl_sgmii_data(struct pci_dev *pdev,
plat->phy_addr = 0;
plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+ plat->serdes_powerup = intel_serdes_powerup;
+ plat->serdes_powerdown = intel_serdes_powerdown;
+
return ehl_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_sgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_sgmii1g_info = {
.setup = ehl_sgmii_data,
};
@@ -206,7 +361,7 @@ static int ehl_rgmii_data(struct pci_dev *pdev,
return ehl_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_rgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_rgmii1g_info = {
.setup = ehl_rgmii_data,
};
@@ -225,7 +380,7 @@ static int ehl_pse0_rgmii1g_data(struct pci_dev *pdev,
return ehl_pse0_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_pse0_rgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_pse0_rgmii1g_info = {
.setup = ehl_pse0_rgmii1g_data,
};
@@ -233,10 +388,12 @@ static int ehl_pse0_sgmii1g_data(struct pci_dev *pdev,
struct plat_stmmacenet_data *plat)
{
plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+ plat->serdes_powerup = intel_serdes_powerup;
+ plat->serdes_powerdown = intel_serdes_powerdown;
return ehl_pse0_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_pse0_sgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_pse0_sgmii1g_info = {
.setup = ehl_pse0_sgmii1g_data,
};
@@ -255,7 +412,7 @@ static int ehl_pse1_rgmii1g_data(struct pci_dev *pdev,
return ehl_pse1_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_pse1_rgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_pse1_rgmii1g_info = {
.setup = ehl_pse1_rgmii1g_data,
};
@@ -263,26 +420,23 @@ static int ehl_pse1_sgmii1g_data(struct pci_dev *pdev,
struct plat_stmmacenet_data *plat)
{
plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+ plat->serdes_powerup = intel_serdes_powerup;
+ plat->serdes_powerdown = intel_serdes_powerdown;
return ehl_pse1_common_data(pdev, plat);
}
-static struct stmmac_pci_info ehl_pse1_sgmii1g_pci_info = {
+static struct stmmac_pci_info ehl_pse1_sgmii1g_info = {
.setup = ehl_pse1_sgmii1g_data,
};
static int tgl_common_data(struct pci_dev *pdev,
struct plat_stmmacenet_data *plat)
{
- int ret;
-
plat->rx_queues_to_use = 6;
plat->tx_queues_to_use = 4;
plat->clk_ptp_rate = 200000000;
- ret = intel_mgbe_common_data(pdev, plat);
- if (ret)
- return ret;
- return 0;
+ return intel_mgbe_common_data(pdev, plat);
}
static int tgl_sgmii_data(struct pci_dev *pdev,
@@ -291,10 +445,12 @@ static int tgl_sgmii_data(struct pci_dev *pdev,
plat->bus_id = 1;
plat->phy_addr = 0;
plat->phy_interface = PHY_INTERFACE_MODE_SGMII;
+ plat->serdes_powerup = intel_serdes_powerup;
+ plat->serdes_powerdown = intel_serdes_powerdown;
return tgl_common_data(pdev, plat);
}
-static struct stmmac_pci_info tgl_sgmii1g_pci_info = {
+static struct stmmac_pci_info tgl_sgmii1g_info = {
.setup = tgl_sgmii_data,
};
@@ -397,7 +553,7 @@ static int quark_default_data(struct pci_dev *pdev,
return 0;
}
-static const struct stmmac_pci_info quark_pci_info = {
+static const struct stmmac_pci_info quark_info = {
.setup = quark_default_data,
};
@@ -417,11 +573,15 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct stmmac_pci_info *info = (struct stmmac_pci_info *)id->driver_data;
+ struct intel_priv_data *intel_priv;
struct plat_stmmacenet_data *plat;
struct stmmac_resources res;
- int i;
int ret;
+ intel_priv = devm_kzalloc(&pdev->dev, sizeof(*intel_priv), GFP_KERNEL);
+ if (!intel_priv)
+ return -ENOMEM;
+
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
return -ENOMEM;
@@ -445,30 +605,36 @@ static int intel_eth_pci_probe(struct pci_dev *pdev,
return ret;
}
- /* Get the base address of device */
- for (i = 0; i < PCI_STD_NUM_BARS; i++) {
- if (pci_resource_len(pdev, i) == 0)
- continue;
- ret = pcim_iomap_regions(pdev, BIT(i), pci_name(pdev));
- if (ret)
- return ret;
- break;
- }
+ ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
+ if (ret)
+ return ret;
pci_set_master(pdev);
+ plat->bsp_priv = intel_priv;
+ intel_priv->mdio_adhoc_addr = 0x15;
+
ret = info->setup(pdev, plat);
if (ret)
return ret;
- pci_enable_msi(pdev);
+ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (ret < 0)
+ return ret;
memset(&res, 0, sizeof(res));
- res.addr = pcim_iomap_table(pdev)[i];
- res.wol_irq = pdev->irq;
- res.irq = pdev->irq;
+ res.addr = pcim_iomap_table(pdev)[0];
+ res.wol_irq = pci_irq_vector(pdev, 0);
+ res.irq = pci_irq_vector(pdev, 0);
+
+ ret = stmmac_dvr_probe(&pdev->dev, plat, &res);
+ if (ret) {
+ pci_free_irq_vectors(pdev);
+ clk_disable_unprepare(plat->stmmac_clk);
+ clk_unregister_fixed_rate(plat->stmmac_clk);
+ }
- return stmmac_dvr_probe(&pdev->dev, plat, &res);
+ return ret;
}
/**
@@ -482,19 +648,15 @@ static void intel_eth_pci_remove(struct pci_dev *pdev)
{
struct net_device *ndev = dev_get_drvdata(&pdev->dev);
struct stmmac_priv *priv = netdev_priv(ndev);
- int i;
stmmac_dvr_remove(&pdev->dev);
- if (priv->plat->stmmac_clk)
- clk_unregister_fixed_rate(priv->plat->stmmac_clk);
+ pci_free_irq_vectors(pdev);
- for (i = 0; i < PCI_STD_NUM_BARS; i++) {
- if (pci_resource_len(pdev, i) == 0)
- continue;
- pcim_iounmap_regions(pdev, BIT(i));
- break;
- }
+ clk_disable_unprepare(priv->plat->stmmac_clk);
+ clk_unregister_fixed_rate(priv->plat->stmmac_clk);
+
+ pcim_iounmap_regions(pdev, BIT(0));
pci_disable_device(pdev);
}
@@ -553,26 +715,19 @@ static SIMPLE_DEV_PM_OPS(intel_eth_pm_ops, intel_eth_pci_suspend,
#define PCI_DEVICE_ID_INTEL_TGL_SGMII1G_ID 0xa0ac
static const struct pci_device_id intel_eth_pci_id_table[] = {
- { PCI_DEVICE_DATA(INTEL, QUARK_ID, &quark_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_RGMII1G_ID, &ehl_rgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_SGMII1G_ID, &ehl_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_SGMII2G5_ID, &ehl_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE0_RGMII1G_ID,
- &ehl_pse0_rgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII1G_ID,
- &ehl_pse0_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII2G5_ID,
- &ehl_pse0_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE1_RGMII1G_ID,
- &ehl_pse1_rgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID,
- &ehl_pse1_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID,
- &ehl_pse1_sgmii1g_pci_info) },
- { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_pci_info) },
+ { PCI_DEVICE_DATA(INTEL, QUARK_ID, &quark_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_RGMII1G_ID, &ehl_rgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_SGMII1G_ID, &ehl_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_SGMII2G5_ID, &ehl_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE0_RGMII1G_ID, &ehl_pse0_rgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII1G_ID, &ehl_pse0_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE0_SGMII2G5_ID, &ehl_pse0_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE1_RGMII1G_ID, &ehl_pse1_rgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID, &ehl_pse1_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID, &ehl_pse1_sgmii1g_info) },
+ { PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_info) },
{}
};
-
MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table);
static struct pci_driver intel_eth_pci_driver = {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
new file mode 100644
index 000000000000..e723096c0b15
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020, Intel Corporation
+ * DWMAC Intel header file
+ */
+
+#ifndef __DWMAC_INTEL_H__
+#define __DWMAC_INTEL_H__
+
+#define POLL_DELAY_US 8
+
+/* SERDES Register */
+#define SERDES_GSR0 0x5 /* Global Status Reg0 */
+#define SERDES_GCR0 0xb /* Global Configuration Reg0 */
+
+/* SERDES defines */
+#define SERDES_PLL_CLK BIT(0) /* PLL clk valid signal */
+#define SERDES_RST BIT(2) /* Serdes Reset */
+#define SERDES_PWR_ST_MASK GENMASK(6, 4) /* Serdes Power state*/
+#define SERDES_PWR_ST_SHIFT 4
+#define SERDES_PWR_ST_P0 0x0
+#define SERDES_PWR_ST_P3 0x3
+
+#endif /* __DWMAC_INTEL_H__ */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index 6ae13dc19510..02102c781a8c 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -319,6 +319,19 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
/* Enable PTP clock */
regmap_read(gmac->nss_common, NSS_COMMON_CLK_GATE, &val);
val |= NSS_COMMON_CLK_GATE_PTP_EN(gmac->id);
+ switch (gmac->phy_mode) {
+ case PHY_INTERFACE_MODE_RGMII:
+ val |= NSS_COMMON_CLK_GATE_RGMII_RX_EN(gmac->id) |
+ NSS_COMMON_CLK_GATE_RGMII_TX_EN(gmac->id);
+ break;
+ case PHY_INTERFACE_MODE_SGMII:
+ val |= NSS_COMMON_CLK_GATE_GMII_RX_EN(gmac->id) |
+ NSS_COMMON_CLK_GATE_GMII_TX_EN(gmac->id);
+ break;
+ default:
+ /* We don't get here; the switch above will have errored out */
+ unreachable();
+ }
regmap_write(gmac->nss_common, NSS_COMMON_CLK_GATE, val);
if (gmac->phy_mode == PHY_INTERFACE_MODE_SGMII) {
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
index 0e2fa14f1423..234e8b6816ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c
@@ -5,6 +5,7 @@
* Copyright (C) 2016 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
*/
+#include <linux/bitfield.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/device.h>
@@ -32,7 +33,10 @@
#define PRG_ETH0_CLK_M250_SEL_SHIFT 4
#define PRG_ETH0_CLK_M250_SEL_MASK GENMASK(4, 4)
-#define PRG_ETH0_TXDLY_SHIFT 5
+/* TX clock delay in ns = "8ns / 4 * tx_dly_val" (where 8ns are exactly one
+ * cycle of the 125MHz RGMII TX clock):
+ * 0ns = 0x0, 2ns = 0x1, 4ns = 0x2, 6ns = 0x3
+ */
#define PRG_ETH0_TXDLY_MASK GENMASK(6, 5)
/* divider for the result of m250_sel */
@@ -44,6 +48,27 @@
#define PRG_ETH0_INVERTED_RMII_CLK BIT(11)
#define PRG_ETH0_TX_AND_PHY_REF_CLK BIT(12)
+/* Bypass (= 0, the signal from the GPIO input directly connects to the
+ * internal sampling) or enable (= 1) the internal logic for RXEN and RXD[3:0]
+ * timing tuning.
+ */
+#define PRG_ETH0_ADJ_ENABLE BIT(13)
+/* Controls whether the RXEN and RXD[3:0] signals should be aligned with the
+ * input RX rising/falling edge and sent to the Ethernet internals. This sets
+ * the automatically delay and skew automatically (internally).
+ */
+#define PRG_ETH0_ADJ_SETUP BIT(14)
+/* An internal counter based on the "timing-adjustment" clock. The counter is
+ * cleared on both, the falling and rising edge of the RX_CLK. This selects the
+ * delay (= the counter value) when to start sampling RXEN and RXD[3:0].
+ */
+#define PRG_ETH0_ADJ_DELAY GENMASK(19, 15)
+/* Adjusts the skew between each bit of RXEN and RXD[3:0]. If a signal has a
+ * large input delay, the bit for that signal (RXEN = bit 0, RXD[3] = bit 1,
+ * ...) can be configured to be 1 to compensate for a delay of about 1ns.
+ */
+#define PRG_ETH0_ADJ_SKEW GENMASK(24, 20)
+
#define MUX_CLK_NUM_PARENTS 2
struct meson8b_dwmac;
@@ -60,6 +85,8 @@ struct meson8b_dwmac {
phy_interface_t phy_mode;
struct clk *rgmii_tx_clk;
u32 tx_delay_ns;
+ u32 rx_delay_ns;
+ struct clk *timing_adj_clk;
};
struct meson8b_dwmac_clk_configs {
@@ -119,6 +146,7 @@ static int meson8b_init_rgmii_tx_clk(struct meson8b_dwmac *dwmac)
{ .div = 5, .val = 5, },
{ .div = 6, .val = 6, },
{ .div = 7, .val = 7, },
+ { /* end of array */ }
};
clk_configs = devm_kzalloc(dev, sizeof(*clk_configs), GFP_KERNEL);
@@ -239,30 +267,82 @@ static int meson_axg_set_phy_mode(struct meson8b_dwmac *dwmac)
return 0;
}
+static int meson8b_devm_clk_prepare_enable(struct meson8b_dwmac *dwmac,
+ struct clk *clk)
+{
+ int ret;
+
+ ret = clk_prepare_enable(clk);
+ if (ret)
+ return ret;
+
+ devm_add_action_or_reset(dwmac->dev,
+ (void(*)(void *))clk_disable_unprepare,
+ dwmac->rgmii_tx_clk);
+
+ return 0;
+}
+
static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)
{
+ u32 tx_dly_config, rx_dly_config, delay_config;
int ret;
- u8 tx_dly_val = 0;
+
+ tx_dly_config = FIELD_PREP(PRG_ETH0_TXDLY_MASK,
+ dwmac->tx_delay_ns >> 1);
+
+ if (dwmac->rx_delay_ns == 2)
+ rx_dly_config = PRG_ETH0_ADJ_ENABLE | PRG_ETH0_ADJ_SETUP;
+ else
+ rx_dly_config = 0;
switch (dwmac->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
+ delay_config = tx_dly_config | rx_dly_config;
+ break;
case PHY_INTERFACE_MODE_RGMII_RXID:
- /* TX clock delay in ns = "8ns / 4 * tx_dly_val" (where
- * 8ns are exactly one cycle of the 125MHz RGMII TX clock):
- * 0ns = 0x0, 2ns = 0x1, 4ns = 0x2, 6ns = 0x3
- */
- tx_dly_val = dwmac->tx_delay_ns >> 1;
- /* fall through */
-
- case PHY_INTERFACE_MODE_RGMII_ID:
+ delay_config = tx_dly_config;
+ break;
case PHY_INTERFACE_MODE_RGMII_TXID:
+ delay_config = rx_dly_config;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RMII:
+ delay_config = 0;
+ break;
+ default:
+ dev_err(dwmac->dev, "unsupported phy-mode %s\n",
+ phy_modes(dwmac->phy_mode));
+ return -EINVAL;
+ };
+
+ if (rx_dly_config & PRG_ETH0_ADJ_ENABLE) {
+ if (!dwmac->timing_adj_clk) {
+ dev_err(dwmac->dev,
+ "The timing-adjustment clock is mandatory for the RX delay re-timing\n");
+ return -EINVAL;
+ }
+
+ /* The timing adjustment logic is driven by a separate clock */
+ ret = meson8b_devm_clk_prepare_enable(dwmac,
+ dwmac->timing_adj_clk);
+ if (ret) {
+ dev_err(dwmac->dev,
+ "Failed to enable the timing-adjustment clock\n");
+ return ret;
+ }
+ }
+
+ meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK |
+ PRG_ETH0_ADJ_ENABLE | PRG_ETH0_ADJ_SETUP |
+ PRG_ETH0_ADJ_DELAY | PRG_ETH0_ADJ_SKEW,
+ delay_config);
+
+ if (phy_interface_mode_is_rgmii(dwmac->phy_mode)) {
/* only relevant for RMII mode -> disable in RGMII mode */
meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
PRG_ETH0_INVERTED_RMII_CLK, 0);
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK,
- tx_dly_val << PRG_ETH0_TXDLY_SHIFT);
-
/* Configure the 125MHz RGMII TX clock, the IP block changes
* the output automatically (= without us having to configure
* a register) based on the line-speed (125MHz for Gbit speeds,
@@ -275,34 +355,18 @@ static int meson8b_init_prg_eth(struct meson8b_dwmac *dwmac)
return ret;
}
- ret = clk_prepare_enable(dwmac->rgmii_tx_clk);
+ ret = meson8b_devm_clk_prepare_enable(dwmac,
+ dwmac->rgmii_tx_clk);
if (ret) {
dev_err(dwmac->dev,
"failed to enable the RGMII TX clock\n");
return ret;
}
-
- devm_add_action_or_reset(dwmac->dev,
- (void(*)(void *))clk_disable_unprepare,
- dwmac->rgmii_tx_clk);
- break;
-
- case PHY_INTERFACE_MODE_RMII:
+ } else {
/* invert internal clk_rmii_i to generate 25/2.5 tx_rx_clk */
meson8b_dwmac_mask_bits(dwmac, PRG_ETH0,
PRG_ETH0_INVERTED_RMII_CLK,
PRG_ETH0_INVERTED_RMII_CLK);
-
- /* TX clock delay cannot be configured in RMII mode */
- meson8b_dwmac_mask_bits(dwmac, PRG_ETH0, PRG_ETH0_TXDLY_MASK,
- 0);
-
- break;
-
- default:
- dev_err(dwmac->dev, "unsupported phy-mode %s\n",
- phy_modes(dwmac->phy_mode));
- return -EINVAL;
}
/* enable TX_CLK and PHY_REF_CLK generator */
@@ -357,6 +421,25 @@ static int meson8b_dwmac_probe(struct platform_device *pdev)
&dwmac->tx_delay_ns))
dwmac->tx_delay_ns = 2;
+ /* use 0ns as fallback since this is what most boards actually use */
+ if (of_property_read_u32(pdev->dev.of_node, "amlogic,rx-delay-ns",
+ &dwmac->rx_delay_ns))
+ dwmac->rx_delay_ns = 0;
+
+ if (dwmac->rx_delay_ns != 0 && dwmac->rx_delay_ns != 2) {
+ dev_err(&pdev->dev,
+ "The only allowed RX delays values are: 0ns, 2ns");
+ ret = -EINVAL;
+ goto err_remove_config_dt;
+ }
+
+ dwmac->timing_adj_clk = devm_clk_get_optional(dwmac->dev,
+ "timing-adjustment");
+ if (IS_ERR(dwmac->timing_adj_clk)) {
+ ret = PTR_ERR(dwmac->timing_adj_clk);
+ goto err_remove_config_dt;
+ }
+
ret = meson8b_init_rgmii_tx_clk(dwmac);
if (ret)
goto err_remove_config_dt;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index e0a5fe83d8e0..bfc4a92f1d92 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -75,6 +75,11 @@ struct ethqos_emac_por {
unsigned int value;
};
+struct ethqos_emac_driver_data {
+ const struct ethqos_emac_por *por;
+ unsigned int num_por;
+};
+
struct qcom_ethqos {
struct platform_device *pdev;
void __iomem *rgmii_base;
@@ -171,6 +176,11 @@ static const struct ethqos_emac_por emac_v2_3_0_por[] = {
{ .offset = RGMII_IO_MACRO_CONFIG2, .value = 0x00002060 },
};
+static const struct ethqos_emac_driver_data emac_v2_3_0_data = {
+ .por = emac_v2_3_0_por,
+ .num_por = ARRAY_SIZE(emac_v2_3_0_por),
+};
+
static int ethqos_dll_configure(struct qcom_ethqos *ethqos)
{
unsigned int val;
@@ -442,6 +452,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct plat_stmmacenet_data *plat_dat;
struct stmmac_resources stmmac_res;
+ const struct ethqos_emac_driver_data *data;
struct qcom_ethqos *ethqos;
struct resource *res;
int ret;
@@ -471,7 +482,9 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
goto err_mem;
}
- ethqos->por = of_device_get_match_data(&pdev->dev);
+ data = of_device_get_match_data(&pdev->dev);
+ ethqos->por = data->por;
+ ethqos->num_por = data->num_por;
ethqos->rgmii_clk = devm_clk_get(&pdev->dev, "rgmii");
if (IS_ERR(ethqos->rgmii_clk)) {
@@ -526,7 +539,7 @@ static int qcom_ethqos_remove(struct platform_device *pdev)
}
static const struct of_device_id qcom_ethqos_match[] = {
- { .compatible = "qcom,qcs404-ethqos", .data = &emac_v2_3_0_por},
+ { .compatible = "qcom,qcs404-ethqos", .data = &emac_v2_3_0_data},
{ }
};
MODULE_DEVICE_TABLE(of, qcom_ethqos_match);
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index fa32cd5b418e..70d41783329d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -291,16 +291,19 @@ static int socfpga_gen5_set_phy_mode(struct socfpga_dwmac *dwmac)
phymode == PHY_INTERFACE_MODE_MII ||
phymode == PHY_INTERFACE_MODE_GMII ||
phymode == PHY_INTERFACE_MODE_SGMII) {
- ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
&module);
module |= (SYSMGR_FPGAGRP_MODULE_EMAC << (reg_shift / 2));
regmap_write(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
module);
- } else {
- ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2));
}
+ if (dwmac->f2h_ptp_ref_clk)
+ ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
+ else
+ ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK <<
+ (reg_shift / 2));
+
regmap_write(sys_mgr_base_addr, reg_offset, ctrl);
/* Deassert reset for the phy configuration to be sampled by
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
index b2dc99289687..5d4df4c5254e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c
@@ -29,6 +29,11 @@
#define SYSCFG_PMCR_ETH_CLK_SEL BIT(16)
#define SYSCFG_PMCR_ETH_REF_CLK_SEL BIT(17)
+/* CLOCK feed to PHY*/
+#define ETH_CK_F_25M 25000000
+#define ETH_CK_F_50M 50000000
+#define ETH_CK_F_125M 125000000
+
/* Ethernet PHY interface selection in register SYSCFG Configuration
*------------------------------------------
* src |BIT(23)| BIT(22)| BIT(21)|BIT(20)|
@@ -58,33 +63,20 @@
*| | | 25MHz | 50MHz | |
* ---------------------------------------------------------------------------
*| MII | - | eth-ck | n/a | n/a |
- *| | | | | |
+ *| | | st,ext-phyclk | | |
* ---------------------------------------------------------------------------
*| GMII | - | eth-ck | n/a | n/a |
- *| | | | | |
+ *| | | st,ext-phyclk | | |
* ---------------------------------------------------------------------------
- *| RGMII | - | eth-ck | n/a | eth-ck (no pin) |
- *| | | | | st,eth-clk-sel |
+ *| RGMII | - | eth-ck | n/a | eth-ck |
+ *| | | st,ext-phyclk | | st,eth-clk-sel or|
+ *| | | | | st,ext-phyclk |
* ---------------------------------------------------------------------------
*| RMII | - | eth-ck | eth-ck | n/a |
- *| | | | st,eth-ref-clk-sel | |
+ *| | | st,ext-phyclk | st,eth-ref-clk-sel | |
+ *| | | | or st,ext-phyclk | |
* ---------------------------------------------------------------------------
*
- * BIT(17) : set this bit in RMII mode when you have PHY without crystal 50MHz
- * BIT(16) : set this bit in GMII/RGMII PHY when you do not want use 125Mhz
- * from PHY
- *-----------------------------------------------------
- * src | BIT(17) | BIT(16) |
- *-----------------------------------------------------
- * MII | n/a | n/a |
- *-----------------------------------------------------
- * GMII | n/a | st,eth-clk-sel |
- *-----------------------------------------------------
- * RGMII | n/a | st,eth-clk-sel |
- *-----------------------------------------------------
- * RMII | st,eth-ref-clk-sel | n/a |
- *-----------------------------------------------------
- *
*/
struct stm32_dwmac {
@@ -93,6 +85,8 @@ struct stm32_dwmac {
struct clk *clk_eth_ck;
struct clk *clk_ethstp;
struct clk *syscfg_clk;
+ int ext_phyclk;
+ int enable_eth_ck;
int eth_clk_sel_reg;
int eth_ref_clk_sel_reg;
int irq_pwr_wakeup;
@@ -155,14 +149,17 @@ static int stm32mp1_clk_prepare(struct stm32_dwmac *dwmac, bool prepare)
ret = clk_prepare_enable(dwmac->syscfg_clk);
if (ret)
return ret;
- ret = clk_prepare_enable(dwmac->clk_eth_ck);
- if (ret) {
- clk_disable_unprepare(dwmac->syscfg_clk);
- return ret;
+ if (dwmac->enable_eth_ck) {
+ ret = clk_prepare_enable(dwmac->clk_eth_ck);
+ if (ret) {
+ clk_disable_unprepare(dwmac->syscfg_clk);
+ return ret;
+ }
}
} else {
clk_disable_unprepare(dwmac->syscfg_clk);
- clk_disable_unprepare(dwmac->clk_eth_ck);
+ if (dwmac->enable_eth_ck)
+ clk_disable_unprepare(dwmac->clk_eth_ck);
}
return ret;
}
@@ -170,24 +167,34 @@ static int stm32mp1_clk_prepare(struct stm32_dwmac *dwmac, bool prepare)
static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
{
struct stm32_dwmac *dwmac = plat_dat->bsp_priv;
- u32 reg = dwmac->mode_reg;
+ u32 reg = dwmac->mode_reg, clk_rate;
int val;
+ clk_rate = clk_get_rate(dwmac->clk_eth_ck);
+ dwmac->enable_eth_ck = false;
switch (plat_dat->interface) {
case PHY_INTERFACE_MODE_MII:
+ if (clk_rate == ETH_CK_F_25M && dwmac->ext_phyclk)
+ dwmac->enable_eth_ck = true;
val = SYSCFG_PMCR_ETH_SEL_MII;
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_MII\n");
break;
case PHY_INTERFACE_MODE_GMII:
val = SYSCFG_PMCR_ETH_SEL_GMII;
- if (dwmac->eth_clk_sel_reg)
+ if (clk_rate == ETH_CK_F_25M &&
+ (dwmac->eth_clk_sel_reg || dwmac->ext_phyclk)) {
+ dwmac->enable_eth_ck = true;
val |= SYSCFG_PMCR_ETH_CLK_SEL;
+ }
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_GMII\n");
break;
case PHY_INTERFACE_MODE_RMII:
val = SYSCFG_PMCR_ETH_SEL_RMII;
- if (dwmac->eth_ref_clk_sel_reg)
+ if ((clk_rate == ETH_CK_F_25M || clk_rate == ETH_CK_F_50M) &&
+ (dwmac->eth_ref_clk_sel_reg || dwmac->ext_phyclk)) {
+ dwmac->enable_eth_ck = true;
val |= SYSCFG_PMCR_ETH_REF_CLK_SEL;
+ }
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RMII\n");
break;
case PHY_INTERFACE_MODE_RGMII:
@@ -195,8 +202,11 @@ static int stm32mp1_set_mode(struct plat_stmmacenet_data *plat_dat)
case PHY_INTERFACE_MODE_RGMII_RXID:
case PHY_INTERFACE_MODE_RGMII_TXID:
val = SYSCFG_PMCR_ETH_SEL_RGMII;
- if (dwmac->eth_clk_sel_reg)
+ if ((clk_rate == ETH_CK_F_25M || clk_rate == ETH_CK_F_125M) &&
+ (dwmac->eth_clk_sel_reg || dwmac->ext_phyclk)) {
+ dwmac->enable_eth_ck = true;
val |= SYSCFG_PMCR_ETH_CLK_SEL;
+ }
pr_debug("SYSCFG init : PHY_INTERFACE_MODE_RGMII\n");
break;
default:
@@ -294,6 +304,9 @@ static int stm32mp1_parse_data(struct stm32_dwmac *dwmac,
struct device_node *np = dev->of_node;
int err = 0;
+ /* Ethernet PHY have no crystal */
+ dwmac->ext_phyclk = of_property_read_bool(np, "st,ext-phyclk");
+
/* Gigabit Ethernet 125MHz clock selection. */
dwmac->eth_clk_sel_reg = of_property_read_bool(np, "st,eth-clk-sel");
@@ -431,7 +444,8 @@ static int stm32mp1_suspend(struct stm32_dwmac *dwmac)
clk_disable_unprepare(dwmac->clk_tx);
clk_disable_unprepare(dwmac->syscfg_clk);
- clk_disable_unprepare(dwmac->clk_eth_ck);
+ if (dwmac->enable_eth_ck)
+ clk_disable_unprepare(dwmac->clk_eth_ck);
return ret;
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
index 28cac28253b8..61f3249bd724 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
@@ -90,6 +90,7 @@
#define GMAC_VLAN_CSVL BIT(19)
#define GMAC_VLAN_VLC GENMASK(17, 16)
#define GMAC_VLAN_VLC_SHIFT 16
+#define GMAC_VLAN_VLHT GENMASK(15, 0)
/* MAC VLAN Tag */
#define GMAC_VLAN_TAG_VID GENMASK(15, 0)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 39692d15d80c..ecd834e0e121 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -450,6 +450,12 @@ static int dwmac4_add_hw_vlan_rx_fltr(struct net_device *dev,
if (vid > 4095)
return -EINVAL;
+ if (hw->promisc) {
+ netdev_err(dev,
+ "Adding VLAN in promisc mode not supported\n");
+ return -EPERM;
+ }
+
/* Single Rx VLAN Filter */
if (hw->num_vlan == 1) {
/* For single VLAN filter, VID 0 means VLAN promiscuous */
@@ -499,6 +505,12 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev,
{
int i, ret = 0;
+ if (hw->promisc) {
+ netdev_err(dev,
+ "Deleting VLAN in promisc mode not supported\n");
+ return -EPERM;
+ }
+
/* Single Rx VLAN Filter */
if (hw->num_vlan == 1) {
if ((hw->vlan_filter[0] & GMAC_VLAN_TAG_VID) == vid) {
@@ -523,9 +535,45 @@ static int dwmac4_del_hw_vlan_rx_fltr(struct net_device *dev,
return ret;
}
+static void dwmac4_vlan_promisc_enable(struct net_device *dev,
+ struct mac_device_info *hw)
+{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 value;
+ u32 hash;
+ u32 val;
+ int i;
+
+ /* Single Rx VLAN Filter */
+ if (hw->num_vlan == 1) {
+ dwmac4_write_single_vlan(dev, 0);
+ return;
+ }
+
+ /* Extended Rx VLAN Filter Enable */
+ for (i = 0; i < hw->num_vlan; i++) {
+ if (hw->vlan_filter[i] & GMAC_VLAN_TAG_DATA_VEN) {
+ val = hw->vlan_filter[i] & ~GMAC_VLAN_TAG_DATA_VEN;
+ dwmac4_write_vlan_filter(dev, hw, i, val);
+ }
+ }
+
+ hash = readl(ioaddr + GMAC_VLAN_HASH_TABLE);
+ if (hash & GMAC_VLAN_VLHT) {
+ value = readl(ioaddr + GMAC_VLAN_TAG);
+ if (value & GMAC_VLAN_VTHM) {
+ value &= ~GMAC_VLAN_VTHM;
+ writel(value, ioaddr + GMAC_VLAN_TAG);
+ }
+ }
+}
+
static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev,
struct mac_device_info *hw)
{
+ void __iomem *ioaddr = hw->pcsr;
+ u32 value;
+ u32 hash;
u32 val;
int i;
@@ -542,6 +590,13 @@ static void dwmac4_restore_hw_vlan_rx_fltr(struct net_device *dev,
dwmac4_write_vlan_filter(dev, hw, i, val);
}
}
+
+ hash = readl(ioaddr + GMAC_VLAN_HASH_TABLE);
+ if (hash & GMAC_VLAN_VLHT) {
+ value = readl(ioaddr + GMAC_VLAN_TAG);
+ value |= GMAC_VLAN_VTHM;
+ writel(value, ioaddr + GMAC_VLAN_TAG);
+ }
}
static void dwmac4_set_filter(struct mac_device_info *hw,
@@ -624,6 +679,18 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
value |= GMAC_PACKET_FILTER_VTFE;
writel(value, ioaddr + GMAC_PACKET_FILTER);
+
+ if (dev->flags & IFF_PROMISC) {
+ if (!hw->promisc) {
+ hw->promisc = 1;
+ dwmac4_vlan_promisc_enable(dev, hw);
+ }
+ } else {
+ if (hw->promisc) {
+ hw->promisc = 0;
+ dwmac4_restore_hw_vlan_rx_fltr(dev, hw);
+ }
+ }
}
static void dwmac4_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index 494c859b4ade..67ba67ed0cb9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -624,7 +624,7 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
total_offset += offset;
}
- total_ctr = cfg->ctr[0] + cfg->ctr[1] * 1000000000;
+ total_ctr = cfg->ctr[0] + cfg->ctr[1] * 1000000000ULL;
total_ctr += total_offset;
ctr_low = do_div(total_ctr, 1000000000);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index fcf080243a0f..d291612eeafb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -27,12 +27,16 @@ static void config_sub_second_increment(void __iomem *ioaddr,
unsigned long data;
u32 reg_value;
- /* For GMAC3.x, 4.x versions, convert the ptp_clock to nano second
- * formula = (1/ptp_clock) * 1000000000
- * where ptp_clock is 50MHz if fine method is used to update system
+ /* For GMAC3.x, 4.x versions, in "fine adjustement mode" set sub-second
+ * increment to twice the number of nanoseconds of a clock cycle.
+ * The calculation of the default_addend value by the caller will set it
+ * to mid-range = 2^31 when the remainder of this division is zero,
+ * which will make the accumulator overflow once every 2 ptp_clock
+ * cycles, adding twice the number of nanoseconds of a clock cycle :
+ * 2000000000ULL / ptp_clock.
*/
if (value & PTP_TCR_TSCFUPDT)
- data = (1000000000ULL / 50000000);
+ data = (2000000000ULL / ptp_clock);
else
data = (1000000000ULL / ptp_clock);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index e6898fd5223f..73677c3b33b6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -630,7 +630,8 @@ static int stmmac_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
ptp_v2 = PTP_TCR_TSVER2ENA;
snap_type_sel = PTP_TCR_SNAPTYPSEL_1;
- ts_event_en = PTP_TCR_TSEVNTENA;
+ if (priv->synopsys_id != DWMAC_CORE_5_10)
+ ts_event_en = PTP_TCR_TSEVNTENA;
ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA;
ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA;
ptp_over_ethernet = PTP_TCR_TSIPENA;
@@ -3543,15 +3544,6 @@ static void stmmac_rx_vlan(struct net_device *dev, struct sk_buff *skb)
}
}
-
-static inline int stmmac_rx_threshold_count(struct stmmac_rx_queue *rx_q)
-{
- if (rx_q->rx_zeroc_thresh < STMMAC_RX_THRESH)
- return 0;
-
- return 1;
-}
-
/**
* stmmac_rx_refill - refill used skb preallocated buffers
* @priv: driver private structure
@@ -4060,7 +4052,7 @@ static int stmmac_set_features(struct net_device *netdev,
/**
* stmmac_interrupt - main ISR
* @irq: interrupt number.
- * @dev_id: to pass the net device pointer.
+ * @dev_id: to pass the net device pointer (must be valid).
* Description: this is the main driver interrupt service routine.
* It can call:
* o DMA service routine (to manage incoming frame reception and transmission
@@ -4084,11 +4076,6 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
if (priv->irq_wake)
pm_wakeup_event(priv->device, 0);
- if (unlikely(!dev)) {
- netdev_err(priv->dev, "%s: invalid dev pointer\n", __func__);
- return IRQ_NONE;
- }
-
/* Check if adapter is up */
if (test_bit(STMMAC_DOWN, &priv->state))
return IRQ_HANDLED;
@@ -4986,12 +4973,22 @@ int stmmac_dvr_probe(struct device *device,
goto error_netdev_register;
}
+ if (priv->plat->serdes_powerup) {
+ ret = priv->plat->serdes_powerup(ndev,
+ priv->plat->bsp_priv);
+
+ if (ret < 0)
+ goto error_serdes_powerup;
+ }
+
#ifdef CONFIG_DEBUG_FS
stmmac_init_fs(ndev);
#endif
return ret;
+error_serdes_powerup:
+ unregister_netdev(ndev);
error_netdev_register:
phylink_destroy(priv->phylink);
error_phy_setup:
@@ -5029,6 +5026,9 @@ int stmmac_dvr_remove(struct device *dev)
stmmac_stop_all_dma(priv);
+ if (priv->plat->serdes_powerdown)
+ priv->plat->serdes_powerdown(ndev, priv->plat->bsp_priv);
+
stmmac_mac_set(priv, priv->ioaddr, false);
netif_carrier_off(ndev);
unregister_netdev(ndev);
@@ -5081,6 +5081,9 @@ int stmmac_suspend(struct device *dev)
/* Stop TX/RX DMA */
stmmac_stop_all_dma(priv);
+ if (priv->plat->serdes_powerdown)
+ priv->plat->serdes_powerdown(ndev, priv->plat->bsp_priv);
+
/* Enable Power down mode by programming the PMT regs */
if (device_may_wakeup(priv->device)) {
stmmac_pmt(priv, priv->hw, priv->wolopts);
@@ -5143,6 +5146,7 @@ int stmmac_resume(struct device *dev)
{
struct net_device *ndev = dev_get_drvdata(dev);
struct stmmac_priv *priv = netdev_priv(ndev);
+ int ret;
if (!netif_running(ndev))
return 0;
@@ -5170,7 +5174,13 @@ int stmmac_resume(struct device *dev)
stmmac_mdio_reset(priv->mii);
}
- netif_device_attach(ndev);
+ if (priv->plat->serdes_powerup) {
+ ret = priv->plat->serdes_powerup(ndev,
+ priv->plat->bsp_priv);
+
+ if (ret < 0)
+ return ret;
+ }
mutex_lock(&priv->lock);
@@ -5198,6 +5208,8 @@ int stmmac_resume(struct device *dev)
phylink_mac_change(priv->phylink, true);
+ netif_device_attach(ndev);
+
return 0;
}
EXPORT_SYMBOL_GPL(stmmac_resume);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 3fb21f7ac9fb..272cb47af9f2 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -217,15 +217,10 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
*/
static void stmmac_pci_remove(struct pci_dev *pdev)
{
- struct net_device *ndev = dev_get_drvdata(&pdev->dev);
- struct stmmac_priv *priv = netdev_priv(ndev);
int i;
stmmac_dvr_remove(&pdev->dev);
- if (priv->plat->stmmac_clk)
- clk_unregister_fixed_rate(priv->plat->stmmac_clk);
-
for (i = 0; i < PCI_STD_NUM_BARS; i++) {
if (pci_resource_len(pdev, i) == 0)
continue;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index bcda49dcf619..f32317fa75c8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -507,7 +507,8 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
if (of_device_is_compatible(np, "snps,dwmac-4.00") ||
of_device_is_compatible(np, "snps,dwmac-4.10a") ||
- of_device_is_compatible(np, "snps,dwmac-4.20a")) {
+ of_device_is_compatible(np, "snps,dwmac-4.20a") ||
+ of_device_is_compatible(np, "snps,dwmac-5.10a")) {
plat->has_gmac4 = 1;
plat->has_gmac = 0;
plat->pmt = 1;
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index e6d1aa882fa5..debd3c3fa6fb 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -237,12 +237,6 @@ static inline void cas_lock_tx(struct cas *cp)
spin_lock_nested(&cp->tx_lock[i], i);
}
-static inline void cas_lock_all(struct cas *cp)
-{
- spin_lock_irq(&cp->lock);
- cas_lock_tx(cp);
-}
-
/* WTZ: QA was finding deadlock problems with the previous
* versions after long test runs with multiple cards per machine.
* See if replacing cas_lock_all with safer versions helps. The
@@ -266,12 +260,6 @@ static inline void cas_unlock_tx(struct cas *cp)
spin_unlock(&cp->tx_lock[i - 1]);
}
-static inline void cas_unlock_all(struct cas *cp)
-{
- cas_unlock_tx(cp);
- spin_unlock_irq(&cp->lock);
-}
-
#define cas_unlock_all_restore(cp, flags) \
do { \
struct cas *xxxcp = (cp); \
@@ -4963,7 +4951,7 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
cas_cacheline_size)) {
dev_err(&pdev->dev, "Could not set PCI cache "
"line size\n");
- goto err_write_cacheline;
+ goto err_out_free_res;
}
}
#endif
@@ -5059,7 +5047,7 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (cp->cas_flags & CAS_FLAG_SATURN)
cas_saturn_firmware_init(cp);
- cp->init_block = (struct cas_init_block *)
+ cp->init_block =
pci_alloc_consistent(pdev, sizeof(struct cas_init_block),
&cp->block_dvma);
if (!cp->init_block) {
@@ -5136,7 +5124,6 @@ err_out_iounmap:
err_out_free_res:
pci_release_regions(pdev);
-err_write_cacheline:
/* Try to restore it in case the error occurred after we
* set it.
*/
diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c
index 40a2ce0ca808..e28727297563 100644
--- a/drivers/net/ethernet/tehuti/tehuti.c
+++ b/drivers/net/ethernet/tehuti/tehuti.c
@@ -1362,18 +1362,6 @@ static void print_rxfd(struct rxf_desc *rxfd)
* As our benchmarks shows, it adds 1.5 Gbit/sec to NIS's throuput.
*/
-/*************************************************************************
- * Tx DB *
- *************************************************************************/
-static inline int bdx_tx_db_size(struct txdb *db)
-{
- int taken = db->wptr - db->rptr;
- if (taken < 0)
- taken = db->size + 1 + taken; /* (size + 1) equals memsz */
-
- return db->size - taken;
-}
-
/**
* __bdx_tx_db_ptr_next - helper function, increment read/write pointer + wrap
* @db: tx data base
diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig
index 89cec778cf2d..182d10f171f6 100644
--- a/drivers/net/ethernet/ti/Kconfig
+++ b/drivers/net/ethernet/ti/Kconfig
@@ -49,6 +49,7 @@ config TI_CPSW_PHY_SEL
config TI_CPSW
tristate "TI CPSW Switch Support"
depends on ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST
+ depends on TI_CPTS || !TI_CPTS
select TI_DAVINCI_MDIO
select MFD_SYSCON
select PAGE_POOL
@@ -64,6 +65,7 @@ config TI_CPSW_SWITCHDEV
tristate "TI CPSW Switch Support with switchdev"
depends on ARCH_DAVINCI || ARCH_OMAP2PLUS || COMPILE_TEST
depends on NET_SWITCHDEV
+ depends on TI_CPTS || !TI_CPTS
select PAGE_POOL
select TI_DAVINCI_MDIO
select MFD_SYSCON
@@ -77,29 +79,22 @@ config TI_CPSW_SWITCHDEV
will be called cpsw_new.
config TI_CPTS
- bool "TI Common Platform Time Sync (CPTS) Support"
- depends on TI_CPSW || TI_KEYSTONE_NETCP || TI_CPSW_SWITCHDEV || COMPILE_TEST
+ tristate "TI Common Platform Time Sync (CPTS) Support"
+ depends on ARCH_OMAP2PLUS || ARCH_KEYSTONE || COMPILE_TEST
depends on COMMON_CLK
- depends on POSIX_TIMERS
+ depends on PTP_1588_CLOCK
---help---
This driver supports the Common Platform Time Sync unit of
the CPSW Ethernet Switch and Keystone 2 1g/10g Switch Subsystem.
The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the
driver offers a PTP Hardware Clock.
-config TI_CPTS_MOD
- tristate
- depends on TI_CPTS
- default y if TI_CPSW=y || TI_KEYSTONE_NETCP=y || TI_CPSW_SWITCHDEV=y
- select NET_PTP_CLASSIFY
- imply PTP_1588_CLOCK
- default m
-
config TI_K3_AM65_CPSW_NUSS
tristate "TI K3 AM654x/J721E CPSW Ethernet driver"
depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER
select TI_DAVINCI_MDIO
imply PHY_TI_GMII_SEL
+ depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS
help
This driver supports TI K3 AM654/J721E CPSW2G Ethernet SubSystem.
The two-port Gigabit Ethernet MAC (MCU_CPSW0) subsystem provides
@@ -110,11 +105,34 @@ config TI_K3_AM65_CPSW_NUSS
To compile this driver as a module, choose M here: the module
will be called ti-am65-cpsw-nuss.
+config TI_K3_AM65_CPTS
+ tristate "TI K3 AM65x CPTS"
+ depends on ARCH_K3 && OF
+ depends on PTP_1588_CLOCK
+ help
+ Say y here to support the TI K3 AM65x CPTS with 1588 features such as
+ PTP hardware clock for each CPTS device and network packets
+ timestamping where applicable.
+ Depending on integration CPTS blocks enable compliance with
+ the IEEE 1588-2008 standard for a precision clock synchronization
+ protocol, Ethernet Enhanced Scheduled Traffic Operations (CPTS_ESTFn)
+ and PCIe Subsystem Precision Time Measurement (PTM).
+
+config TI_AM65_CPSW_TAS
+ bool "Enable TAS offload in AM65 CPSW"
+ depends on TI_K3_AM65_CPSW_NUSS && NET_SCH_TAPRIO && TI_K3_AM65_CPTS
+ help
+ Say y here to support Time Aware Shaper(TAS) offload in AM65 CPSW.
+ AM65 CPSW hardware supports Enhanced Scheduled Traffic (EST)
+ defined in IEEE 802.1Q 2018. The EST scheduler runs on CPTS and the
+ TAS/EST schedule is updated in the Fetch RAM memory of the CPSW.
+
config TI_KEYSTONE_NETCP
tristate "TI Keystone NETCP Core Support"
select TI_DAVINCI_MDIO
depends on OF
depends on KEYSTONE_NAVIGATOR_DMA && KEYSTONE_NAVIGATOR_QMSS
+ depends on TI_CPTS || !TI_CPTS
---help---
This driver supports TI's Keystone NETCP Core.
@@ -138,7 +156,7 @@ config TLAN
Devices currently supported by this driver are Compaq Netelligent,
Compaq NetFlex and Olicom cards. Please read the file
- <file:Documentation/networking/device_drivers/ti/tlan.txt>
+ <file:Documentation/networking/device_drivers/ti/tlan.rst>
for more details.
To compile this driver as a module, choose M here. The module
diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile
index 53792190e9c2..6e779292545d 100644
--- a/drivers/net/ethernet/ti/Makefile
+++ b/drivers/net/ethernet/ti/Makefile
@@ -13,7 +13,7 @@ obj-$(CONFIG_TI_DAVINCI_EMAC) += ti_davinci_emac.o
ti_davinci_emac-y := davinci_emac.o davinci_cpdma.o
obj-$(CONFIG_TI_DAVINCI_MDIO) += davinci_mdio.o
obj-$(CONFIG_TI_CPSW_PHY_SEL) += cpsw-phy-sel.o
-obj-$(CONFIG_TI_CPTS_MOD) += cpts.o
+obj-$(CONFIG_TI_CPTS) += cpts.o
obj-$(CONFIG_TI_CPSW) += ti_cpsw.o
ti_cpsw-y := cpsw.o davinci_cpdma.o cpsw_ale.o cpsw_priv.o cpsw_sl.o cpsw_ethtool.o
obj-$(CONFIG_TI_CPSW_SWITCHDEV) += ti_cpsw_new.o
@@ -25,4 +25,5 @@ obj-$(CONFIG_TI_KEYSTONE_NETCP_ETHSS) += keystone_netcp_ethss.o
keystone_netcp_ethss-y := netcp_ethss.o netcp_sgmii.o netcp_xgbepcsr.o cpsw_ale.o
obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o
-ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.o
+ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.o am65-cpsw-qos.o
+obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o
diff --git a/drivers/net/ethernet/ti/am65-cpsw-ethtool.c b/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
index c3502aa15ea0..8c4690f3ebcb 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-ethtool.c
@@ -12,6 +12,7 @@
#include "am65-cpsw-nuss.h"
#include "cpsw_ale.h"
+#include "am65-cpts.h"
#define AM65_CPSW_REGDUMP_VER 0x1
@@ -694,6 +695,27 @@ static void am65_cpsw_get_ethtool_stats(struct net_device *ndev,
hw_stats[i].offset);
}
+static int am65_cpsw_get_ethtool_ts_info(struct net_device *ndev,
+ struct ethtool_ts_info *info)
+{
+ struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
+
+ if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
+ return ethtool_op_get_ts_info(ndev, info);
+
+ info->so_timestamping =
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+ info->phc_index = am65_cpts_phc_index(common->cpts);
+ info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
+ info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
+ return 0;
+}
+
static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev)
{
struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
@@ -708,9 +730,17 @@ static u32 am65_cpsw_get_ethtool_priv_flags(struct net_device *ndev)
static int am65_cpsw_set_ethtool_priv_flags(struct net_device *ndev, u32 flags)
{
struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
+ int rrobin;
+
+ rrobin = !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
+
+ if (common->est_enabled && rrobin) {
+ netdev_err(ndev,
+ "p0-rx-ptype-rrobin flag conflicts with QOS\n");
+ return -EINVAL;
+ }
- common->pf_p0_rx_ptype_rrobin =
- !!(flags & AM65_CPSW_PRIV_P0_RX_PTYPE_RROBIN);
+ common->pf_p0_rx_ptype_rrobin = rrobin;
am65_cpsw_nuss_set_p0_ptype(common);
return 0;
@@ -730,7 +760,7 @@ const struct ethtool_ops am65_cpsw_ethtool_ops_slave = {
.get_sset_count = am65_cpsw_get_sset_count,
.get_strings = am65_cpsw_get_strings,
.get_ethtool_stats = am65_cpsw_get_ethtool_stats,
- .get_ts_info = ethtool_op_get_ts_info,
+ .get_ts_info = am65_cpsw_get_ethtool_ts_info,
.get_priv_flags = am65_cpsw_get_ethtool_priv_flags,
.set_priv_flags = am65_cpsw_set_ethtool_priv_flags,
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 2bf56733ba94..87a4775ed53a 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -30,18 +30,21 @@
#include "cpsw_sl.h"
#include "am65-cpsw-nuss.h"
#include "k3-cppi-desc-pool.h"
+#include "am65-cpts.h"
#define AM65_CPSW_SS_BASE 0x0
#define AM65_CPSW_SGMII_BASE 0x100
#define AM65_CPSW_XGMII_BASE 0x2100
#define AM65_CPSW_CPSW_NU_BASE 0x20000
#define AM65_CPSW_NU_PORTS_BASE 0x1000
+#define AM65_CPSW_NU_FRAM_BASE 0x12000
#define AM65_CPSW_NU_STATS_BASE 0x1a000
#define AM65_CPSW_NU_ALE_BASE 0x1e000
#define AM65_CPSW_NU_CPTS_BASE 0x1d000
#define AM65_CPSW_NU_PORTS_OFFSET 0x1000
#define AM65_CPSW_NU_STATS_PORT_OFFSET 0x200
+#define AM65_CPSW_NU_FRAM_PORT_OFFSET 0x200
#define AM65_CPSW_MAX_PORTS 8
@@ -187,9 +190,11 @@ void am65_cpsw_nuss_adjust_link(struct net_device *ndev)
cpsw_ale_control_set(common->ale, port->port_id,
ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
+ am65_cpsw_qos_link_up(ndev, phy->speed);
netif_tx_wake_all_queues(ndev);
} else {
int tmo;
+
/* disable forwarding */
cpsw_ale_control_set(common->ale, port->port_id,
ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
@@ -203,6 +208,7 @@ void am65_cpsw_nuss_adjust_link(struct net_device *ndev)
cpsw_sl_ctl_reset(port->slave.mac_sl);
+ am65_cpsw_qos_link_down(ndev);
netif_tx_stop_all_queues(ndev);
}
@@ -668,6 +674,18 @@ static void am65_cpsw_nuss_rx_cleanup(void *data, dma_addr_t desc_dma)
dev_kfree_skb_any(skb);
}
+static void am65_cpsw_nuss_rx_ts(struct sk_buff *skb, u32 *psdata)
+{
+ struct skb_shared_hwtstamps *ssh;
+ u64 ns;
+
+ ns = ((u64)psdata[1] << 32) | psdata[0];
+
+ ssh = skb_hwtstamps(skb);
+ memset(ssh, 0, sizeof(*ssh));
+ ssh->hwtstamp = ns_to_ktime(ns);
+}
+
/* RX psdata[2] word format - checksum information */
#define AM65_CPSW_RX_PSD_CSUM_ADD GENMASK(15, 0)
#define AM65_CPSW_RX_PSD_CSUM_ERR BIT(16)
@@ -745,6 +763,9 @@ static int am65_cpsw_nuss_rx_packets(struct am65_cpsw_common *common,
skb->dev = ndev;
psdata = cppi5_hdesc_get_psdata(desc_rx);
+ /* add RX timestamp */
+ if (port->rx_ts_enabled)
+ am65_cpsw_nuss_rx_ts(skb, psdata);
csum_info = psdata[2];
dev_dbg(dev, "%s rx csum_info:%#x\n", __func__, csum_info);
@@ -904,6 +925,8 @@ static int am65_cpsw_nuss_tx_compl_packets(struct am65_cpsw_common *common,
ndev = skb->dev;
+ am65_cpts_tx_timestamp(common->cpts, skb);
+
ndev_priv = netdev_priv(ndev);
stats = this_cpu_ptr(ndev_priv->stats);
u64_stats_update_begin(&stats->syncp);
@@ -995,6 +1018,10 @@ static netdev_tx_t am65_cpsw_nuss_ndo_slave_xmit(struct sk_buff *skb,
/* padding enabled in hw */
pkt_len = skb_headlen(skb);
+ /* SKB TX timestamp */
+ if (port->tx_ts_enabled)
+ am65_cpts_prep_tx_timestamp(common->cpts, skb);
+
q_idx = skb_get_queue_mapping(skb);
dev_dbg(dev, "%s skb_queue:%d\n", __func__, q_idx);
@@ -1158,6 +1185,111 @@ static int am65_cpsw_nuss_ndo_slave_set_mac_address(struct net_device *ndev,
return 0;
}
+static int am65_cpsw_nuss_hwtstamp_set(struct net_device *ndev,
+ struct ifreq *ifr)
+{
+ struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ u32 ts_ctrl, seq_id, ts_ctrl_ltype2, ts_vlan_ltype;
+ struct hwtstamp_config cfg;
+
+ if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
+ return -EOPNOTSUPP;
+
+ if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+ return -EFAULT;
+
+ /* TX HW timestamp */
+ switch (cfg.tx_type) {
+ case HWTSTAMP_TX_OFF:
+ case HWTSTAMP_TX_ON:
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ switch (cfg.rx_filter) {
+ case HWTSTAMP_FILTER_NONE:
+ port->rx_ts_enabled = false;
+ break;
+ case HWTSTAMP_FILTER_ALL:
+ case HWTSTAMP_FILTER_SOME:
+ case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+ case HWTSTAMP_FILTER_PTP_V2_EVENT:
+ case HWTSTAMP_FILTER_PTP_V2_SYNC:
+ case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+ case HWTSTAMP_FILTER_NTP_ALL:
+ port->rx_ts_enabled = true;
+ cfg.rx_filter = HWTSTAMP_FILTER_ALL;
+ break;
+ default:
+ return -ERANGE;
+ }
+
+ port->tx_ts_enabled = (cfg.tx_type == HWTSTAMP_TX_ON);
+
+ /* cfg TX timestamp */
+ seq_id = (AM65_CPSW_TS_SEQ_ID_OFFSET <<
+ AM65_CPSW_PN_TS_SEQ_ID_OFFSET_SHIFT) | ETH_P_1588;
+
+ ts_vlan_ltype = ETH_P_8021Q;
+
+ ts_ctrl_ltype2 = ETH_P_1588 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_107 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_129 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_130 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_131 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_132 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_319 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_320 |
+ AM65_CPSW_PN_TS_CTL_LTYPE2_TS_TTL_NONZERO;
+
+ ts_ctrl = AM65_CPSW_TS_EVENT_MSG_TYPE_BITS <<
+ AM65_CPSW_PN_TS_CTL_MSG_TYPE_EN_SHIFT;
+
+ if (port->tx_ts_enabled)
+ ts_ctrl |= AM65_CPSW_TS_TX_ANX_ALL_EN |
+ AM65_CPSW_PN_TS_CTL_TX_VLAN_LT1_EN;
+
+ writel(seq_id, port->port_base + AM65_CPSW_PORTN_REG_TS_SEQ_LTYPE_REG);
+ writel(ts_vlan_ltype, port->port_base +
+ AM65_CPSW_PORTN_REG_TS_VLAN_LTYPE_REG);
+ writel(ts_ctrl_ltype2, port->port_base +
+ AM65_CPSW_PORTN_REG_TS_CTL_LTYPE2);
+ writel(ts_ctrl, port->port_base + AM65_CPSW_PORTN_REG_TS_CTL);
+
+ /* en/dis RX timestamp */
+ am65_cpts_rx_enable(common->cpts, port->rx_ts_enabled);
+
+ return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+}
+
+static int am65_cpsw_nuss_hwtstamp_get(struct net_device *ndev,
+ struct ifreq *ifr)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct hwtstamp_config cfg;
+
+ if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
+ return -EOPNOTSUPP;
+
+ cfg.flags = 0;
+ cfg.tx_type = port->tx_ts_enabled ?
+ HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+ cfg.rx_filter = port->rx_ts_enabled ?
+ HWTSTAMP_FILTER_ALL : HWTSTAMP_FILTER_NONE;
+
+ return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
+}
+
static int am65_cpsw_nuss_ndo_slave_ioctl(struct net_device *ndev,
struct ifreq *req, int cmd)
{
@@ -1166,6 +1298,13 @@ static int am65_cpsw_nuss_ndo_slave_ioctl(struct net_device *ndev,
if (!netif_running(ndev))
return -EINVAL;
+ switch (cmd) {
+ case SIOCSHWTSTAMP:
+ return am65_cpsw_nuss_hwtstamp_set(ndev, req);
+ case SIOCGHWTSTAMP:
+ return am65_cpsw_nuss_hwtstamp_get(ndev, req);
+ }
+
if (!port->slave.phy)
return -EOPNOTSUPP;
@@ -1244,6 +1383,7 @@ static const struct net_device_ops am65_cpsw_nuss_netdev_ops_2g = {
.ndo_vlan_rx_kill_vid = am65_cpsw_nuss_ndo_slave_kill_vid,
.ndo_do_ioctl = am65_cpsw_nuss_ndo_slave_ioctl,
.ndo_set_features = am65_cpsw_nuss_ndo_slave_set_features,
+ .ndo_setup_tc = am65_cpsw_qos_ndo_setup_tc,
};
static void am65_cpsw_nuss_slave_disable_unused(struct am65_cpsw_port *port)
@@ -1531,6 +1671,40 @@ static int am65_cpsw_am654_get_efuse_macid(struct device_node *of_node,
return 0;
}
+static int am65_cpsw_init_cpts(struct am65_cpsw_common *common)
+{
+ struct device *dev = common->dev;
+ struct device_node *node;
+ struct am65_cpts *cpts;
+ void __iomem *reg_base;
+
+ if (!IS_ENABLED(CONFIG_TI_K3_AM65_CPTS))
+ return 0;
+
+ node = of_get_child_by_name(dev->of_node, "cpts");
+ if (!node) {
+ dev_err(dev, "%s cpts not found\n", __func__);
+ return -ENOENT;
+ }
+
+ reg_base = common->cpsw_base + AM65_CPSW_NU_CPTS_BASE;
+ cpts = am65_cpts_create(dev, reg_base, node);
+ if (IS_ERR(cpts)) {
+ int ret = PTR_ERR(cpts);
+
+ if (ret == -EOPNOTSUPP) {
+ dev_info(dev, "cpts disabled\n");
+ return 0;
+ }
+
+ dev_err(dev, "cpts create err %d\n", ret);
+ return ret;
+ }
+ common->cpts = cpts;
+
+ return 0;
+}
+
static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
{
struct device_node *node, *port_np;
@@ -1571,6 +1745,9 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
port->stat_base = common->cpsw_base + AM65_CPSW_NU_STATS_BASE +
(AM65_CPSW_NU_STATS_PORT_OFFSET * port_id);
port->name = of_get_property(port_np, "label", NULL);
+ port->fetch_ram_base =
+ common->cpsw_base + AM65_CPSW_NU_FRAM_BASE +
+ (AM65_CPSW_NU_FRAM_PORT_OFFSET * (port_id - 1));
port->disabled = !of_device_is_available(port_np);
if (port->disabled)
@@ -1719,7 +1896,8 @@ static int am65_cpsw_nuss_ndev_add_napi_2g(struct am65_cpsw_common *common)
ret = devm_request_irq(dev, tx_chn->irq,
am65_cpsw_nuss_tx_irq,
- 0, tx_chn->tx_chn_name, tx_chn);
+ IRQF_TRIGGER_HIGH,
+ tx_chn->tx_chn_name, tx_chn);
if (ret) {
dev_err(dev, "failure requesting tx%u irq %u, %d\n",
tx_chn->id, tx_chn->irq, ret);
@@ -1744,7 +1922,7 @@ static int am65_cpsw_nuss_ndev_reg_2g(struct am65_cpsw_common *common)
ret = devm_request_irq(dev, common->rx_chns.irq,
am65_cpsw_nuss_rx_irq,
- 0, dev_name(dev), common);
+ IRQF_TRIGGER_HIGH, dev_name(dev), common);
if (ret) {
dev_err(dev, "failure requesting rx irq %u, %d\n",
common->rx_chns.irq, ret);
@@ -1862,10 +2040,21 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev)
return ret;
}
- ret = of_platform_populate(dev->of_node, NULL, NULL, dev);
- /* We do not want to force this, as in some cases may not have child */
- if (ret)
- dev_warn(dev, "populating child nodes err:%d\n", ret);
+ node = of_get_child_by_name(dev->of_node, "mdio");
+ if (!node) {
+ dev_warn(dev, "MDIO node not found\n");
+ } else if (of_device_is_available(node)) {
+ struct platform_device *mdio_pdev;
+
+ mdio_pdev = of_platform_device_create(node, NULL, dev);
+ if (!mdio_pdev) {
+ ret = -ENODEV;
+ goto err_pm_clear;
+ }
+
+ common->mdio_dev = &mdio_pdev->dev;
+ }
+ of_node_put(node);
am65_cpsw_nuss_get_ver(common);
@@ -1894,11 +2083,16 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev)
ale_params.nu_switch_ale = true;
common->ale = cpsw_ale_create(&ale_params);
- if (!common->ale) {
+ if (IS_ERR(common->ale)) {
dev_err(dev, "error initializing ale engine\n");
+ ret = PTR_ERR(common->ale);
goto err_of_clear;
}
+ ret = am65_cpsw_init_cpts(common);
+ if (ret)
+ goto err_of_clear;
+
/* init ports */
for (i = 0; i < common->port_num; i++)
am65_cpsw_nuss_slave_disable_unused(&common->ports[i]);
@@ -1917,7 +2111,8 @@ static int am65_cpsw_nuss_probe(struct platform_device *pdev)
return 0;
err_of_clear:
- of_platform_depopulate(dev);
+ of_platform_device_destroy(common->mdio_dev, NULL);
+err_pm_clear:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
return ret;
@@ -1942,7 +2137,7 @@ static int am65_cpsw_nuss_remove(struct platform_device *pdev)
*/
am65_cpsw_nuss_cleanup_ndev(common);
- of_platform_depopulate(dev);
+ of_platform_device_destroy(common->mdio_dev, NULL);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h
index 41ae5b4c7931..9faf4fb1409b 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h
@@ -9,6 +9,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include "am65-cpsw-qos.h"
+
+struct am65_cpts;
#define HOST_PORT_NUM 0
@@ -35,8 +40,12 @@ struct am65_cpsw_port {
u32 port_id;
void __iomem *port_base;
void __iomem *stat_base;
+ void __iomem *fetch_ram_base;
bool disabled;
struct am65_cpsw_slave_data slave;
+ bool tx_ts_enabled;
+ bool rx_ts_enabled;
+ struct am65_cpsw_qos qos;
};
struct am65_cpsw_host {
@@ -72,6 +81,7 @@ struct am65_cpsw_pdata {
struct am65_cpsw_common {
struct device *dev;
+ struct device *mdio_dev;
const struct am65_cpsw_pdata *pdata;
void __iomem *ss_base;
@@ -96,8 +106,9 @@ struct am65_cpsw_common {
u32 nuss_ver;
u32 cpsw_ver;
-
bool pf_p0_rx_ptype_rrobin;
+ struct am65_cpts *cpts;
+ int est_enabled;
};
struct am65_cpsw_ndev_stats {
diff --git a/drivers/net/ethernet/ti/am65-cpsw-qos.c b/drivers/net/ethernet/ti/am65-cpsw-qos.c
new file mode 100644
index 000000000000..32eac04468bb
--- /dev/null
+++ b/drivers/net/ethernet/ti/am65-cpsw-qos.c
@@ -0,0 +1,626 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Texas Instruments K3 AM65 Ethernet QoS submodule
+ * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * quality of service module includes:
+ * Enhanced Scheduler Traffic (EST - P802.1Qbv/D2.2)
+ */
+
+#include <linux/pm_runtime.h>
+#include <linux/time.h>
+
+#include "am65-cpsw-nuss.h"
+#include "am65-cpsw-qos.h"
+#include "am65-cpts.h"
+
+#define AM65_CPSW_REG_CTL 0x004
+#define AM65_CPSW_PN_REG_CTL 0x004
+#define AM65_CPSW_PN_REG_FIFO_STATUS 0x050
+#define AM65_CPSW_PN_REG_EST_CTL 0x060
+
+/* AM65_CPSW_REG_CTL register fields */
+#define AM65_CPSW_CTL_EST_EN BIT(18)
+
+/* AM65_CPSW_PN_REG_CTL register fields */
+#define AM65_CPSW_PN_CTL_EST_PORT_EN BIT(17)
+
+/* AM65_CPSW_PN_REG_EST_CTL register fields */
+#define AM65_CPSW_PN_EST_ONEBUF BIT(0)
+#define AM65_CPSW_PN_EST_BUFSEL BIT(1)
+#define AM65_CPSW_PN_EST_TS_EN BIT(2)
+#define AM65_CPSW_PN_EST_TS_FIRST BIT(3)
+#define AM65_CPSW_PN_EST_ONEPRI BIT(4)
+#define AM65_CPSW_PN_EST_TS_PRI_MSK GENMASK(7, 5)
+
+/* AM65_CPSW_PN_REG_FIFO_STATUS register fields */
+#define AM65_CPSW_PN_FST_TX_PRI_ACTIVE_MSK GENMASK(7, 0)
+#define AM65_CPSW_PN_FST_TX_E_MAC_ALLOW_MSK GENMASK(15, 8)
+#define AM65_CPSW_PN_FST_EST_CNT_ERR BIT(16)
+#define AM65_CPSW_PN_FST_EST_ADD_ERR BIT(17)
+#define AM65_CPSW_PN_FST_EST_BUFACT BIT(18)
+
+/* EST FETCH COMMAND RAM */
+#define AM65_CPSW_FETCH_RAM_CMD_NUM 0x80
+#define AM65_CPSW_FETCH_CNT_MSK GENMASK(21, 8)
+#define AM65_CPSW_FETCH_CNT_MAX (AM65_CPSW_FETCH_CNT_MSK >> 8)
+#define AM65_CPSW_FETCH_CNT_OFFSET 8
+#define AM65_CPSW_FETCH_ALLOW_MSK GENMASK(7, 0)
+#define AM65_CPSW_FETCH_ALLOW_MAX AM65_CPSW_FETCH_ALLOW_MSK
+
+enum timer_act {
+ TACT_PROG, /* need program timer */
+ TACT_NEED_STOP, /* need stop first */
+ TACT_SKIP_PROG, /* just buffer can be updated */
+};
+
+static int am65_cpsw_port_est_enabled(struct am65_cpsw_port *port)
+{
+ return port->qos.est_oper || port->qos.est_admin;
+}
+
+static void am65_cpsw_est_enable(struct am65_cpsw_common *common, int enable)
+{
+ u32 val;
+
+ val = readl(common->cpsw_base + AM65_CPSW_REG_CTL);
+
+ if (enable)
+ val |= AM65_CPSW_CTL_EST_EN;
+ else
+ val &= ~AM65_CPSW_CTL_EST_EN;
+
+ writel(val, common->cpsw_base + AM65_CPSW_REG_CTL);
+ common->est_enabled = enable;
+}
+
+static void am65_cpsw_port_est_enable(struct am65_cpsw_port *port, int enable)
+{
+ u32 val;
+
+ val = readl(port->port_base + AM65_CPSW_PN_REG_CTL);
+ if (enable)
+ val |= AM65_CPSW_PN_CTL_EST_PORT_EN;
+ else
+ val &= ~AM65_CPSW_PN_CTL_EST_PORT_EN;
+
+ writel(val, port->port_base + AM65_CPSW_PN_REG_CTL);
+}
+
+/* target new EST RAM buffer, actual toggle happens after cycle completion */
+static void am65_cpsw_port_est_assign_buf_num(struct net_device *ndev,
+ int buf_num)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ u32 val;
+
+ val = readl(port->port_base + AM65_CPSW_PN_REG_EST_CTL);
+ if (buf_num)
+ val |= AM65_CPSW_PN_EST_BUFSEL;
+ else
+ val &= ~AM65_CPSW_PN_EST_BUFSEL;
+
+ writel(val, port->port_base + AM65_CPSW_PN_REG_EST_CTL);
+}
+
+/* am65_cpsw_port_est_is_swapped() - Indicate if h/w is transitioned
+ * admin -> oper or not
+ *
+ * Return true if already transitioned. i.e oper is equal to admin and buf
+ * numbers match (est_oper->buf match with est_admin->buf).
+ * false if before transition. i.e oper is not equal to admin, (i.e a
+ * previous admin command is waiting to be transitioned to oper state
+ * and est_oper->buf not match with est_oper->buf).
+ */
+static int am65_cpsw_port_est_is_swapped(struct net_device *ndev, int *oper,
+ int *admin)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ u32 val;
+
+ val = readl(port->port_base + AM65_CPSW_PN_REG_FIFO_STATUS);
+ *oper = !!(val & AM65_CPSW_PN_FST_EST_BUFACT);
+
+ val = readl(port->port_base + AM65_CPSW_PN_REG_EST_CTL);
+ *admin = !!(val & AM65_CPSW_PN_EST_BUFSEL);
+
+ return *admin == *oper;
+}
+
+/* am65_cpsw_port_est_get_free_buf_num() - Get free buffer number for
+ * Admin to program the new schedule.
+ *
+ * Logic as follows:-
+ * If oper is same as admin, return the other buffer (!oper) as the admin
+ * buffer. If oper is not the same, driver let the current oper to continue
+ * as it is in the process of transitioning from admin -> oper. So keep the
+ * oper by selecting the same oper buffer by writing to EST_BUFSEL bit in
+ * EST CTL register. In the second iteration they will match and code returns.
+ * The actual buffer to write command is selected later before it is ready
+ * to update the schedule.
+ */
+static int am65_cpsw_port_est_get_free_buf_num(struct net_device *ndev)
+{
+ int oper, admin;
+ int roll = 2;
+
+ while (roll--) {
+ if (am65_cpsw_port_est_is_swapped(ndev, &oper, &admin))
+ return !oper;
+
+ /* admin is not set, so hinder transition as it's not allowed
+ * to touch memory in-flight, by targeting same oper buf.
+ */
+ am65_cpsw_port_est_assign_buf_num(ndev, oper);
+
+ dev_info(&ndev->dev,
+ "Prev. EST admin cycle is in transit %d -> %d\n",
+ oper, admin);
+ }
+
+ return admin;
+}
+
+static void am65_cpsw_admin_to_oper(struct net_device *ndev)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+
+ if (port->qos.est_oper)
+ devm_kfree(&ndev->dev, port->qos.est_oper);
+
+ port->qos.est_oper = port->qos.est_admin;
+ port->qos.est_admin = NULL;
+}
+
+static void am65_cpsw_port_est_get_buf_num(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ u32 val;
+
+ val = readl(port->port_base + AM65_CPSW_PN_REG_EST_CTL);
+ val &= ~AM65_CPSW_PN_EST_ONEBUF;
+ writel(val, port->port_base + AM65_CPSW_PN_REG_EST_CTL);
+
+ est_new->buf = am65_cpsw_port_est_get_free_buf_num(ndev);
+
+ /* rolled buf num means changed buf while configuring */
+ if (port->qos.est_oper && port->qos.est_admin &&
+ est_new->buf == port->qos.est_oper->buf)
+ am65_cpsw_admin_to_oper(ndev);
+}
+
+static void am65_cpsw_est_set(struct net_device *ndev, int enable)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpsw_common *common = port->common;
+ int common_enable = 0;
+ int i;
+
+ am65_cpsw_port_est_enable(port, enable);
+
+ for (i = 0; i < common->port_num; i++)
+ common_enable |= am65_cpsw_port_est_enabled(&common->ports[i]);
+
+ common_enable |= enable;
+ am65_cpsw_est_enable(common, common_enable);
+}
+
+/* This update is supposed to be used in any routine before getting real state
+ * of admin -> oper transition, particularly it's supposed to be used in some
+ * generic routine for providing real state to Taprio Qdisc.
+ */
+static void am65_cpsw_est_update_state(struct net_device *ndev)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ int oper, admin;
+
+ if (!port->qos.est_admin)
+ return;
+
+ if (!am65_cpsw_port_est_is_swapped(ndev, &oper, &admin))
+ return;
+
+ am65_cpsw_admin_to_oper(ndev);
+}
+
+/* Fetch command count it's number of bytes in Gigabit mode or nibbles in
+ * 10/100Mb mode. So, having speed and time in ns, recalculate ns to number of
+ * bytes/nibbles that can be sent while transmission on given speed.
+ */
+static int am65_est_cmd_ns_to_cnt(u64 ns, int link_speed)
+{
+ u64 temp;
+
+ temp = ns * link_speed;
+ if (link_speed < SPEED_1000)
+ temp <<= 1;
+
+ return DIV_ROUND_UP(temp, 8 * 1000);
+}
+
+static void __iomem *am65_cpsw_est_set_sched_cmds(void __iomem *addr,
+ int fetch_cnt,
+ int fetch_allow)
+{
+ u32 prio_mask, cmd_fetch_cnt, cmd;
+
+ do {
+ if (fetch_cnt > AM65_CPSW_FETCH_CNT_MAX) {
+ fetch_cnt -= AM65_CPSW_FETCH_CNT_MAX;
+ cmd_fetch_cnt = AM65_CPSW_FETCH_CNT_MAX;
+ } else {
+ cmd_fetch_cnt = fetch_cnt;
+ /* fetch count can't be less than 16? */
+ if (cmd_fetch_cnt && cmd_fetch_cnt < 16)
+ cmd_fetch_cnt = 16;
+
+ fetch_cnt = 0;
+ }
+
+ prio_mask = fetch_allow & AM65_CPSW_FETCH_ALLOW_MSK;
+ cmd = (cmd_fetch_cnt << AM65_CPSW_FETCH_CNT_OFFSET) | prio_mask;
+
+ writel(cmd, addr);
+ addr += 4;
+ } while (fetch_cnt);
+
+ return addr;
+}
+
+static int am65_cpsw_est_calc_cmd_num(struct net_device *ndev,
+ struct tc_taprio_qopt_offload *taprio,
+ int link_speed)
+{
+ int i, cmd_cnt, cmd_sum = 0;
+ u32 fetch_cnt;
+
+ for (i = 0; i < taprio->num_entries; i++) {
+ if (taprio->entries[i].command != TC_TAPRIO_CMD_SET_GATES) {
+ dev_err(&ndev->dev, "Only SET command is supported");
+ return -EINVAL;
+ }
+
+ fetch_cnt = am65_est_cmd_ns_to_cnt(taprio->entries[i].interval,
+ link_speed);
+
+ cmd_cnt = DIV_ROUND_UP(fetch_cnt, AM65_CPSW_FETCH_CNT_MAX);
+ if (!cmd_cnt)
+ cmd_cnt++;
+
+ cmd_sum += cmd_cnt;
+
+ if (!fetch_cnt)
+ break;
+ }
+
+ return cmd_sum;
+}
+
+static int am65_cpsw_est_check_scheds(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ int cmd_num;
+
+ cmd_num = am65_cpsw_est_calc_cmd_num(ndev, &est_new->taprio,
+ port->qos.link_speed);
+ if (cmd_num < 0)
+ return cmd_num;
+
+ if (cmd_num > AM65_CPSW_FETCH_RAM_CMD_NUM / 2) {
+ dev_err(&ndev->dev, "No fetch RAM");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void am65_cpsw_est_set_sched_list(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ u32 fetch_cnt, fetch_allow, all_fetch_allow = 0;
+ void __iomem *ram_addr, *max_ram_addr;
+ struct tc_taprio_sched_entry *entry;
+ int i, ram_size;
+
+ ram_addr = port->fetch_ram_base;
+ ram_size = AM65_CPSW_FETCH_RAM_CMD_NUM * 2;
+ ram_addr += est_new->buf * ram_size;
+
+ max_ram_addr = ram_size + ram_addr;
+ for (i = 0; i < est_new->taprio.num_entries; i++) {
+ entry = &est_new->taprio.entries[i];
+
+ fetch_cnt = am65_est_cmd_ns_to_cnt(entry->interval,
+ port->qos.link_speed);
+ fetch_allow = entry->gate_mask;
+ if (fetch_allow > AM65_CPSW_FETCH_ALLOW_MAX)
+ dev_dbg(&ndev->dev, "fetch_allow > 8 bits: %d\n",
+ fetch_allow);
+
+ ram_addr = am65_cpsw_est_set_sched_cmds(ram_addr, fetch_cnt,
+ fetch_allow);
+
+ if (!fetch_cnt && i < est_new->taprio.num_entries - 1) {
+ dev_info(&ndev->dev,
+ "next scheds after %d have no impact", i + 1);
+ break;
+ }
+
+ all_fetch_allow |= fetch_allow;
+ }
+
+ /* end cmd, enabling non-timed queues for potential over cycle time */
+ if (ram_addr < max_ram_addr)
+ writel(~all_fetch_allow & AM65_CPSW_FETCH_ALLOW_MSK, ram_addr);
+}
+
+/**
+ * Enable ESTf periodic output, set cycle start time and interval.
+ */
+static int am65_cpsw_timer_set(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpsw_common *common = port->common;
+ struct am65_cpts *cpts = common->cpts;
+ struct am65_cpts_estf_cfg cfg;
+
+ cfg.ns_period = est_new->taprio.cycle_time;
+ cfg.ns_start = est_new->taprio.base_time;
+
+ return am65_cpts_estf_enable(cpts, port->port_id - 1, &cfg);
+}
+
+static void am65_cpsw_timer_stop(struct net_device *ndev)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpts *cpts = port->common->cpts;
+
+ am65_cpts_estf_disable(cpts, port->port_id - 1);
+}
+
+static enum timer_act am65_cpsw_timer_act(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct tc_taprio_qopt_offload *taprio_oper, *taprio_new;
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpts *cpts = port->common->cpts;
+ u64 cur_time;
+ s64 diff;
+
+ if (!port->qos.est_oper)
+ return TACT_PROG;
+
+ taprio_new = &est_new->taprio;
+ taprio_oper = &port->qos.est_oper->taprio;
+
+ if (taprio_new->cycle_time != taprio_oper->cycle_time)
+ return TACT_NEED_STOP;
+
+ /* in order to avoid timer reset get base_time form oper taprio */
+ if (!taprio_new->base_time && taprio_oper)
+ taprio_new->base_time = taprio_oper->base_time;
+
+ if (taprio_new->base_time == taprio_oper->base_time)
+ return TACT_SKIP_PROG;
+
+ /* base times are cycle synchronized */
+ diff = taprio_new->base_time - taprio_oper->base_time;
+ diff = diff < 0 ? -diff : diff;
+ if (diff % taprio_new->cycle_time)
+ return TACT_NEED_STOP;
+
+ cur_time = am65_cpts_ns_gettime(cpts);
+ if (taprio_new->base_time <= cur_time + taprio_new->cycle_time)
+ return TACT_SKIP_PROG;
+
+ /* TODO: Admin schedule at future time is not currently supported */
+ return TACT_NEED_STOP;
+}
+
+static void am65_cpsw_stop_est(struct net_device *ndev)
+{
+ am65_cpsw_est_set(ndev, 0);
+ am65_cpsw_timer_stop(ndev);
+}
+
+static void am65_cpsw_purge_est(struct net_device *ndev)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+
+ am65_cpsw_stop_est(ndev);
+
+ if (port->qos.est_admin)
+ devm_kfree(&ndev->dev, port->qos.est_admin);
+
+ if (port->qos.est_oper)
+ devm_kfree(&ndev->dev, port->qos.est_oper);
+
+ port->qos.est_oper = NULL;
+ port->qos.est_admin = NULL;
+}
+
+static int am65_cpsw_configure_taprio(struct net_device *ndev,
+ struct am65_cpsw_est *est_new)
+{
+ struct am65_cpsw_common *common = am65_ndev_to_common(ndev);
+ struct am65_cpts *cpts = common->cpts;
+ int ret = 0, tact = TACT_PROG;
+
+ am65_cpsw_est_update_state(ndev);
+
+ if (!est_new->taprio.enable) {
+ am65_cpsw_stop_est(ndev);
+ return ret;
+ }
+
+ ret = am65_cpsw_est_check_scheds(ndev, est_new);
+ if (ret < 0)
+ return ret;
+
+ tact = am65_cpsw_timer_act(ndev, est_new);
+ if (tact == TACT_NEED_STOP) {
+ dev_err(&ndev->dev,
+ "Can't toggle estf timer, stop taprio first");
+ return -EINVAL;
+ }
+
+ if (tact == TACT_PROG)
+ am65_cpsw_timer_stop(ndev);
+
+ if (!est_new->taprio.base_time)
+ est_new->taprio.base_time = am65_cpts_ns_gettime(cpts);
+
+ am65_cpsw_port_est_get_buf_num(ndev, est_new);
+ am65_cpsw_est_set_sched_list(ndev, est_new);
+ am65_cpsw_port_est_assign_buf_num(ndev, est_new->buf);
+
+ am65_cpsw_est_set(ndev, est_new->taprio.enable);
+
+ if (tact == TACT_PROG) {
+ ret = am65_cpsw_timer_set(ndev, est_new);
+ if (ret) {
+ dev_err(&ndev->dev, "Failed to set cycle time");
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static void am65_cpsw_cp_taprio(struct tc_taprio_qopt_offload *from,
+ struct tc_taprio_qopt_offload *to)
+{
+ int i;
+
+ *to = *from;
+ for (i = 0; i < from->num_entries; i++)
+ to->entries[i] = from->entries[i];
+}
+
+static int am65_cpsw_set_taprio(struct net_device *ndev, void *type_data)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct tc_taprio_qopt_offload *taprio = type_data;
+ struct am65_cpsw_est *est_new;
+ size_t size;
+ int ret = 0;
+
+ if (taprio->cycle_time_extension) {
+ dev_err(&ndev->dev, "Failed to set cycle time extension");
+ return -EOPNOTSUPP;
+ }
+
+ size = sizeof(struct tc_taprio_sched_entry) * taprio->num_entries +
+ sizeof(struct am65_cpsw_est);
+
+ est_new = devm_kzalloc(&ndev->dev, size, GFP_KERNEL);
+ if (!est_new)
+ return -ENOMEM;
+
+ am65_cpsw_cp_taprio(taprio, &est_new->taprio);
+ ret = am65_cpsw_configure_taprio(ndev, est_new);
+ if (!ret) {
+ if (taprio->enable) {
+ if (port->qos.est_admin)
+ devm_kfree(&ndev->dev, port->qos.est_admin);
+
+ port->qos.est_admin = est_new;
+ } else {
+ devm_kfree(&ndev->dev, est_new);
+ am65_cpsw_purge_est(ndev);
+ }
+ } else {
+ devm_kfree(&ndev->dev, est_new);
+ }
+
+ return ret;
+}
+
+static void am65_cpsw_est_link_up(struct net_device *ndev, int link_speed)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ ktime_t cur_time;
+ s64 delta;
+
+ port->qos.link_speed = link_speed;
+ if (!am65_cpsw_port_est_enabled(port))
+ return;
+
+ if (port->qos.link_down_time) {
+ cur_time = ktime_get();
+ delta = ktime_us_delta(cur_time, port->qos.link_down_time);
+ if (delta > USEC_PER_SEC) {
+ dev_err(&ndev->dev,
+ "Link has been lost too long, stopping TAS");
+ goto purge_est;
+ }
+ }
+
+ return;
+
+purge_est:
+ am65_cpsw_purge_est(ndev);
+}
+
+static int am65_cpsw_setup_taprio(struct net_device *ndev, void *type_data)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+ struct am65_cpsw_common *common = port->common;
+
+ if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_TAS))
+ return -ENODEV;
+
+ if (!netif_running(ndev)) {
+ dev_err(&ndev->dev, "interface is down, link speed unknown\n");
+ return -ENETDOWN;
+ }
+
+ if (common->pf_p0_rx_ptype_rrobin) {
+ dev_err(&ndev->dev,
+ "p0-rx-ptype-rrobin flag conflicts with taprio qdisc\n");
+ return -EINVAL;
+ }
+
+ if (port->qos.link_speed == SPEED_UNKNOWN)
+ return -ENOLINK;
+
+ return am65_cpsw_set_taprio(ndev, type_data);
+}
+
+int am65_cpsw_qos_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
+ void *type_data)
+{
+ switch (type) {
+ case TC_SETUP_QDISC_TAPRIO:
+ return am65_cpsw_setup_taprio(ndev, type_data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+void am65_cpsw_qos_link_up(struct net_device *ndev, int link_speed)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+
+ if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_TAS))
+ return;
+
+ am65_cpsw_est_link_up(ndev, link_speed);
+ port->qos.link_down_time = 0;
+}
+
+void am65_cpsw_qos_link_down(struct net_device *ndev)
+{
+ struct am65_cpsw_port *port = am65_ndev_to_port(ndev);
+
+ if (!IS_ENABLED(CONFIG_TI_AM65_CPSW_TAS))
+ return;
+
+ if (!port->qos.link_down_time)
+ port->qos.link_down_time = ktime_get();
+
+ port->qos.link_speed = SPEED_UNKNOWN;
+}
diff --git a/drivers/net/ethernet/ti/am65-cpsw-qos.h b/drivers/net/ethernet/ti/am65-cpsw-qos.h
new file mode 100644
index 000000000000..e8f1b6b59e93
--- /dev/null
+++ b/drivers/net/ethernet/ti/am65-cpsw-qos.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#ifndef AM65_CPSW_QOS_H_
+#define AM65_CPSW_QOS_H_
+
+#include <linux/netdevice.h>
+#include <net/pkt_sched.h>
+
+struct am65_cpsw_est {
+ int buf;
+ /* has to be the last one */
+ struct tc_taprio_qopt_offload taprio;
+};
+
+struct am65_cpsw_qos {
+ struct am65_cpsw_est *est_admin;
+ struct am65_cpsw_est *est_oper;
+ ktime_t link_down_time;
+ int link_speed;
+};
+
+int am65_cpsw_qos_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
+ void *type_data);
+void am65_cpsw_qos_link_up(struct net_device *ndev, int link_speed);
+void am65_cpsw_qos_link_down(struct net_device *ndev);
+
+#endif /* AM65_CPSW_QOS_H_ */
diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
new file mode 100644
index 000000000000..c59a289e428c
--- /dev/null
+++ b/drivers/net/ethernet/ti/am65-cpts.c
@@ -0,0 +1,1086 @@
+// SPDX-License-Identifier: GPL-2.0
+/* TI K3 AM65x Common Platform Time Sync
+ *
+ * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
+ *
+ */
+
+#include <linux/clk.h>
+#include <linux/clk-provider.h>
+#include <linux/err.h>
+#include <linux/if_vlan.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/net_tstamp.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/ptp_classify.h>
+#include <linux/ptp_clock_kernel.h>
+
+#include "am65-cpts.h"
+
+struct am65_genf_regs {
+ u32 comp_lo; /* Comparison Low Value 0:31 */
+ u32 comp_hi; /* Comparison High Value 32:63 */
+ u32 control; /* control */
+ u32 length; /* Length */
+ u32 ppm_low; /* PPM Load Low Value 0:31 */
+ u32 ppm_hi; /* PPM Load High Value 32:63 */
+ u32 ts_nudge; /* Nudge value */
+} __aligned(32) __packed;
+
+#define AM65_CPTS_GENF_MAX_NUM 9
+#define AM65_CPTS_ESTF_MAX_NUM 8
+
+struct am65_cpts_regs {
+ u32 idver; /* Identification and version */
+ u32 control; /* Time sync control */
+ u32 rftclk_sel; /* Reference Clock Select Register */
+ u32 ts_push; /* Time stamp event push */
+ u32 ts_load_val_lo; /* Time Stamp Load Low Value 0:31 */
+ u32 ts_load_en; /* Time stamp load enable */
+ u32 ts_comp_lo; /* Time Stamp Comparison Low Value 0:31 */
+ u32 ts_comp_length; /* Time Stamp Comparison Length */
+ u32 intstat_raw; /* Time sync interrupt status raw */
+ u32 intstat_masked; /* Time sync interrupt status masked */
+ u32 int_enable; /* Time sync interrupt enable */
+ u32 ts_comp_nudge; /* Time Stamp Comparison Nudge Value */
+ u32 event_pop; /* Event interrupt pop */
+ u32 event_0; /* Event Time Stamp lo 0:31 */
+ u32 event_1; /* Event Type Fields */
+ u32 event_2; /* Event Type Fields domain */
+ u32 event_3; /* Event Time Stamp hi 32:63 */
+ u32 ts_load_val_hi; /* Time Stamp Load High Value 32:63 */
+ u32 ts_comp_hi; /* Time Stamp Comparison High Value 32:63 */
+ u32 ts_add_val; /* Time Stamp Add value */
+ u32 ts_ppm_low; /* Time Stamp PPM Load Low Value 0:31 */
+ u32 ts_ppm_hi; /* Time Stamp PPM Load High Value 32:63 */
+ u32 ts_nudge; /* Time Stamp Nudge value */
+ u32 reserv[33];
+ struct am65_genf_regs genf[AM65_CPTS_GENF_MAX_NUM];
+ struct am65_genf_regs estf[AM65_CPTS_ESTF_MAX_NUM];
+};
+
+/* CONTROL_REG */
+#define AM65_CPTS_CONTROL_EN BIT(0)
+#define AM65_CPTS_CONTROL_INT_TEST BIT(1)
+#define AM65_CPTS_CONTROL_TS_COMP_POLARITY BIT(2)
+#define AM65_CPTS_CONTROL_TSTAMP_EN BIT(3)
+#define AM65_CPTS_CONTROL_SEQUENCE_EN BIT(4)
+#define AM65_CPTS_CONTROL_64MODE BIT(5)
+#define AM65_CPTS_CONTROL_TS_COMP_TOG BIT(6)
+#define AM65_CPTS_CONTROL_TS_PPM_DIR BIT(7)
+#define AM65_CPTS_CONTROL_HW1_TS_PUSH_EN BIT(8)
+#define AM65_CPTS_CONTROL_HW2_TS_PUSH_EN BIT(9)
+#define AM65_CPTS_CONTROL_HW3_TS_PUSH_EN BIT(10)
+#define AM65_CPTS_CONTROL_HW4_TS_PUSH_EN BIT(11)
+#define AM65_CPTS_CONTROL_HW5_TS_PUSH_EN BIT(12)
+#define AM65_CPTS_CONTROL_HW6_TS_PUSH_EN BIT(13)
+#define AM65_CPTS_CONTROL_HW7_TS_PUSH_EN BIT(14)
+#define AM65_CPTS_CONTROL_HW8_TS_PUSH_EN BIT(15)
+#define AM65_CPTS_CONTROL_HW1_TS_PUSH_OFFSET (8)
+
+#define AM65_CPTS_CONTROL_TS_SYNC_SEL_MASK (0xF)
+#define AM65_CPTS_CONTROL_TS_SYNC_SEL_SHIFT (28)
+
+/* RFTCLK_SEL_REG */
+#define AM65_CPTS_RFTCLK_SEL_MASK (0x1F)
+
+/* TS_PUSH_REG */
+#define AM65_CPTS_TS_PUSH BIT(0)
+
+/* TS_LOAD_EN_REG */
+#define AM65_CPTS_TS_LOAD_EN BIT(0)
+
+/* INTSTAT_RAW_REG */
+#define AM65_CPTS_INTSTAT_RAW_TS_PEND BIT(0)
+
+/* INTSTAT_MASKED_REG */
+#define AM65_CPTS_INTSTAT_MASKED_TS_PEND BIT(0)
+
+/* INT_ENABLE_REG */
+#define AM65_CPTS_INT_ENABLE_TS_PEND_EN BIT(0)
+
+/* TS_COMP_NUDGE_REG */
+#define AM65_CPTS_TS_COMP_NUDGE_MASK (0xFF)
+
+/* EVENT_POP_REG */
+#define AM65_CPTS_EVENT_POP BIT(0)
+
+/* EVENT_1_REG */
+#define AM65_CPTS_EVENT_1_SEQUENCE_ID_MASK GENMASK(15, 0)
+
+#define AM65_CPTS_EVENT_1_MESSAGE_TYPE_MASK GENMASK(19, 16)
+#define AM65_CPTS_EVENT_1_MESSAGE_TYPE_SHIFT (16)
+
+#define AM65_CPTS_EVENT_1_EVENT_TYPE_MASK GENMASK(23, 20)
+#define AM65_CPTS_EVENT_1_EVENT_TYPE_SHIFT (20)
+
+#define AM65_CPTS_EVENT_1_PORT_NUMBER_MASK GENMASK(28, 24)
+#define AM65_CPTS_EVENT_1_PORT_NUMBER_SHIFT (24)
+
+/* EVENT_2_REG */
+#define AM65_CPTS_EVENT_2_REG_DOMAIN_MASK (0xFF)
+#define AM65_CPTS_EVENT_2_REG_DOMAIN_SHIFT (0)
+
+enum {
+ AM65_CPTS_EV_PUSH, /* Time Stamp Push Event */
+ AM65_CPTS_EV_ROLL, /* Time Stamp Rollover Event */
+ AM65_CPTS_EV_HALF, /* Time Stamp Half Rollover Event */
+ AM65_CPTS_EV_HW, /* Hardware Time Stamp Push Event */
+ AM65_CPTS_EV_RX, /* Ethernet Receive Event */
+ AM65_CPTS_EV_TX, /* Ethernet Transmit Event */
+ AM65_CPTS_EV_TS_COMP, /* Time Stamp Compare Event */
+ AM65_CPTS_EV_HOST, /* Host Transmit Event */
+};
+
+struct am65_cpts_event {
+ struct list_head list;
+ unsigned long tmo;
+ u32 event1;
+ u32 event2;
+ u64 timestamp;
+};
+
+#define AM65_CPTS_FIFO_DEPTH (16)
+#define AM65_CPTS_MAX_EVENTS (32)
+#define AM65_CPTS_EVENT_RX_TX_TIMEOUT (20) /* ms */
+#define AM65_CPTS_SKB_TX_WORK_TIMEOUT 1 /* jiffies */
+#define AM65_CPTS_MIN_PPM 0x400
+
+struct am65_cpts {
+ struct device *dev;
+ struct am65_cpts_regs __iomem *reg;
+ struct ptp_clock_info ptp_info;
+ struct ptp_clock *ptp_clock;
+ int phc_index;
+ struct clk_hw *clk_mux_hw;
+ struct device_node *clk_mux_np;
+ struct clk *refclk;
+ u32 refclk_freq;
+ struct list_head events;
+ struct list_head pool;
+ struct am65_cpts_event pool_data[AM65_CPTS_MAX_EVENTS];
+ spinlock_t lock; /* protects events lists*/
+ u32 ext_ts_inputs;
+ u32 genf_num;
+ u32 ts_add_val;
+ int irq;
+ struct mutex ptp_clk_lock; /* PHC access sync */
+ u64 timestamp;
+ u32 genf_enable;
+ u32 hw_ts_enable;
+ struct sk_buff_head txq;
+};
+
+struct am65_cpts_skb_cb_data {
+ unsigned long tmo;
+ u32 skb_mtype_seqid;
+};
+
+#define am65_cpts_write32(c, v, r) writel(v, &(c)->reg->r)
+#define am65_cpts_read32(c, r) readl(&(c)->reg->r)
+
+static void am65_cpts_settime(struct am65_cpts *cpts, u64 start_tstamp)
+{
+ u32 val;
+
+ val = upper_32_bits(start_tstamp);
+ am65_cpts_write32(cpts, val, ts_load_val_hi);
+ val = lower_32_bits(start_tstamp);
+ am65_cpts_write32(cpts, val, ts_load_val_lo);
+
+ am65_cpts_write32(cpts, AM65_CPTS_TS_LOAD_EN, ts_load_en);
+}
+
+static void am65_cpts_set_add_val(struct am65_cpts *cpts)
+{
+ /* select coefficient according to the rate */
+ cpts->ts_add_val = (NSEC_PER_SEC / cpts->refclk_freq - 1) & 0x7;
+
+ am65_cpts_write32(cpts, cpts->ts_add_val, ts_add_val);
+}
+
+static void am65_cpts_disable(struct am65_cpts *cpts)
+{
+ am65_cpts_write32(cpts, 0, control);
+ am65_cpts_write32(cpts, 0, int_enable);
+}
+
+static int am65_cpts_event_get_port(struct am65_cpts_event *event)
+{
+ return (event->event1 & AM65_CPTS_EVENT_1_PORT_NUMBER_MASK) >>
+ AM65_CPTS_EVENT_1_PORT_NUMBER_SHIFT;
+}
+
+static int am65_cpts_event_get_type(struct am65_cpts_event *event)
+{
+ return (event->event1 & AM65_CPTS_EVENT_1_EVENT_TYPE_MASK) >>
+ AM65_CPTS_EVENT_1_EVENT_TYPE_SHIFT;
+}
+
+static int am65_cpts_cpts_purge_events(struct am65_cpts *cpts)
+{
+ struct list_head *this, *next;
+ struct am65_cpts_event *event;
+ int removed = 0;
+
+ list_for_each_safe(this, next, &cpts->events) {
+ event = list_entry(this, struct am65_cpts_event, list);
+ if (time_after(jiffies, event->tmo)) {
+ list_del_init(&event->list);
+ list_add(&event->list, &cpts->pool);
+ ++removed;
+ }
+ }
+
+ if (removed)
+ dev_dbg(cpts->dev, "event pool cleaned up %d\n", removed);
+ return removed ? 0 : -1;
+}
+
+static bool am65_cpts_fifo_pop_event(struct am65_cpts *cpts,
+ struct am65_cpts_event *event)
+{
+ u32 r = am65_cpts_read32(cpts, intstat_raw);
+
+ if (r & AM65_CPTS_INTSTAT_RAW_TS_PEND) {
+ event->timestamp = am65_cpts_read32(cpts, event_0);
+ event->event1 = am65_cpts_read32(cpts, event_1);
+ event->event2 = am65_cpts_read32(cpts, event_2);
+ event->timestamp |= (u64)am65_cpts_read32(cpts, event_3) << 32;
+ am65_cpts_write32(cpts, AM65_CPTS_EVENT_POP, event_pop);
+ return false;
+ }
+ return true;
+}
+
+static int am65_cpts_fifo_read(struct am65_cpts *cpts)
+{
+ struct ptp_clock_event pevent;
+ struct am65_cpts_event *event;
+ bool schedule = false;
+ int i, type, ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ for (i = 0; i < AM65_CPTS_FIFO_DEPTH; i++) {
+ event = list_first_entry_or_null(&cpts->pool,
+ struct am65_cpts_event, list);
+
+ if (!event) {
+ if (am65_cpts_cpts_purge_events(cpts)) {
+ dev_err(cpts->dev, "cpts: event pool empty\n");
+ ret = -1;
+ goto out;
+ }
+ continue;
+ }
+
+ if (am65_cpts_fifo_pop_event(cpts, event))
+ break;
+
+ type = am65_cpts_event_get_type(event);
+ switch (type) {
+ case AM65_CPTS_EV_PUSH:
+ cpts->timestamp = event->timestamp;
+ dev_dbg(cpts->dev, "AM65_CPTS_EV_PUSH t:%llu\n",
+ cpts->timestamp);
+ break;
+ case AM65_CPTS_EV_RX:
+ case AM65_CPTS_EV_TX:
+ event->tmo = jiffies +
+ msecs_to_jiffies(AM65_CPTS_EVENT_RX_TX_TIMEOUT);
+
+ list_del_init(&event->list);
+ list_add_tail(&event->list, &cpts->events);
+
+ dev_dbg(cpts->dev,
+ "AM65_CPTS_EV_TX e1:%08x e2:%08x t:%lld\n",
+ event->event1, event->event2,
+ event->timestamp);
+ schedule = true;
+ break;
+ case AM65_CPTS_EV_HW:
+ pevent.index = am65_cpts_event_get_port(event) - 1;
+ pevent.timestamp = event->timestamp;
+ pevent.type = PTP_CLOCK_EXTTS;
+ dev_dbg(cpts->dev, "AM65_CPTS_EV_HW p:%d t:%llu\n",
+ pevent.index, event->timestamp);
+
+ ptp_clock_event(cpts->ptp_clock, &pevent);
+ break;
+ case AM65_CPTS_EV_HOST:
+ break;
+ case AM65_CPTS_EV_ROLL:
+ case AM65_CPTS_EV_HALF:
+ case AM65_CPTS_EV_TS_COMP:
+ dev_dbg(cpts->dev,
+ "AM65_CPTS_EVT: %d e1:%08x e2:%08x t:%lld\n",
+ type,
+ event->event1, event->event2,
+ event->timestamp);
+ break;
+ default:
+ dev_err(cpts->dev, "cpts: unknown event type\n");
+ ret = -1;
+ goto out;
+ }
+ }
+
+out:
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ if (schedule)
+ ptp_schedule_worker(cpts->ptp_clock, 0);
+
+ return ret;
+}
+
+static u64 am65_cpts_gettime(struct am65_cpts *cpts,
+ struct ptp_system_timestamp *sts)
+{
+ unsigned long flags;
+ u64 val = 0;
+
+ /* temporarily disable cpts interrupt to avoid intentional
+ * doubled read. Interrupt can be in-flight - it's Ok.
+ */
+ am65_cpts_write32(cpts, 0, int_enable);
+
+ /* use spin_lock_irqsave() here as it has to run very fast */
+ spin_lock_irqsave(&cpts->lock, flags);
+ ptp_read_system_prets(sts);
+ am65_cpts_write32(cpts, AM65_CPTS_TS_PUSH, ts_push);
+ am65_cpts_read32(cpts, ts_push);
+ ptp_read_system_postts(sts);
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ am65_cpts_fifo_read(cpts);
+
+ am65_cpts_write32(cpts, AM65_CPTS_INT_ENABLE_TS_PEND_EN, int_enable);
+
+ val = cpts->timestamp;
+
+ return val;
+}
+
+static irqreturn_t am65_cpts_interrupt(int irq, void *dev_id)
+{
+ struct am65_cpts *cpts = dev_id;
+
+ if (am65_cpts_fifo_read(cpts))
+ dev_dbg(cpts->dev, "cpts: unable to obtain a time stamp\n");
+
+ return IRQ_HANDLED;
+}
+
+/* PTP clock operations */
+static int am65_cpts_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+ int neg_adj = 0;
+ u64 adj_period;
+ u32 val;
+
+ if (ppb < 0) {
+ neg_adj = 1;
+ ppb = -ppb;
+ }
+
+ /* base freq = 1GHz = 1 000 000 000
+ * ppb_norm = ppb * base_freq / clock_freq;
+ * ppm_norm = ppb_norm / 1000
+ * adj_period = 1 000 000 / ppm_norm
+ * adj_period = 1 000 000 000 / ppb_norm
+ * adj_period = 1 000 000 000 / (ppb * base_freq / clock_freq)
+ * adj_period = (1 000 000 000 * clock_freq) / (ppb * base_freq)
+ * adj_period = clock_freq / ppb
+ */
+ adj_period = div_u64(cpts->refclk_freq, ppb);
+
+ mutex_lock(&cpts->ptp_clk_lock);
+
+ val = am65_cpts_read32(cpts, control);
+ if (neg_adj)
+ val |= AM65_CPTS_CONTROL_TS_PPM_DIR;
+ else
+ val &= ~AM65_CPTS_CONTROL_TS_PPM_DIR;
+ am65_cpts_write32(cpts, val, control);
+
+ val = upper_32_bits(adj_period) & 0x3FF;
+ am65_cpts_write32(cpts, val, ts_ppm_hi);
+ val = lower_32_bits(adj_period);
+ am65_cpts_write32(cpts, val, ts_ppm_low);
+
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ return 0;
+}
+
+static int am65_cpts_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+ s64 ns;
+
+ mutex_lock(&cpts->ptp_clk_lock);
+ ns = am65_cpts_gettime(cpts, NULL);
+ ns += delta;
+ am65_cpts_settime(cpts, ns);
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ return 0;
+}
+
+static int am65_cpts_ptp_gettimex(struct ptp_clock_info *ptp,
+ struct timespec64 *ts,
+ struct ptp_system_timestamp *sts)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+ u64 ns;
+
+ mutex_lock(&cpts->ptp_clk_lock);
+ ns = am65_cpts_gettime(cpts, sts);
+ mutex_unlock(&cpts->ptp_clk_lock);
+ *ts = ns_to_timespec64(ns);
+
+ return 0;
+}
+
+u64 am65_cpts_ns_gettime(struct am65_cpts *cpts)
+{
+ u64 ns;
+
+ /* reuse ptp_clk_lock as it serialize ts push */
+ mutex_lock(&cpts->ptp_clk_lock);
+ ns = am65_cpts_gettime(cpts, NULL);
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ return ns;
+}
+EXPORT_SYMBOL_GPL(am65_cpts_ns_gettime);
+
+static int am65_cpts_ptp_settime(struct ptp_clock_info *ptp,
+ const struct timespec64 *ts)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+ u64 ns;
+
+ ns = timespec64_to_ns(ts);
+ mutex_lock(&cpts->ptp_clk_lock);
+ am65_cpts_settime(cpts, ns);
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ return 0;
+}
+
+static void am65_cpts_extts_enable_hw(struct am65_cpts *cpts, u32 index, int on)
+{
+ u32 v;
+
+ v = am65_cpts_read32(cpts, control);
+ if (on) {
+ v |= BIT(AM65_CPTS_CONTROL_HW1_TS_PUSH_OFFSET + index);
+ cpts->hw_ts_enable |= BIT(index);
+ } else {
+ v &= ~BIT(AM65_CPTS_CONTROL_HW1_TS_PUSH_OFFSET + index);
+ cpts->hw_ts_enable &= ~BIT(index);
+ }
+ am65_cpts_write32(cpts, v, control);
+}
+
+static int am65_cpts_extts_enable(struct am65_cpts *cpts, u32 index, int on)
+{
+ if (!!(cpts->hw_ts_enable & BIT(index)) == !!on)
+ return 0;
+
+ mutex_lock(&cpts->ptp_clk_lock);
+ am65_cpts_extts_enable_hw(cpts, index, on);
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ dev_dbg(cpts->dev, "%s: ExtTS:%u %s\n",
+ __func__, index, on ? "enabled" : "disabled");
+
+ return 0;
+}
+
+int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx,
+ struct am65_cpts_estf_cfg *cfg)
+{
+ u64 cycles;
+ u32 val;
+
+ cycles = cfg->ns_period * cpts->refclk_freq;
+ cycles = DIV_ROUND_UP(cycles, NSEC_PER_SEC);
+ if (cycles > U32_MAX)
+ return -EINVAL;
+
+ /* according to TRM should be zeroed */
+ am65_cpts_write32(cpts, 0, estf[idx].length);
+
+ val = upper_32_bits(cfg->ns_start);
+ am65_cpts_write32(cpts, val, estf[idx].comp_hi);
+ val = lower_32_bits(cfg->ns_start);
+ am65_cpts_write32(cpts, val, estf[idx].comp_lo);
+ val = lower_32_bits(cycles);
+ am65_cpts_write32(cpts, val, estf[idx].length);
+
+ dev_dbg(cpts->dev, "%s: ESTF:%u enabled\n", __func__, idx);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(am65_cpts_estf_enable);
+
+void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx)
+{
+ am65_cpts_write32(cpts, 0, estf[idx].length);
+
+ dev_dbg(cpts->dev, "%s: ESTF:%u disabled\n", __func__, idx);
+}
+EXPORT_SYMBOL_GPL(am65_cpts_estf_disable);
+
+static void am65_cpts_perout_enable_hw(struct am65_cpts *cpts,
+ struct ptp_perout_request *req, int on)
+{
+ u64 ns_period, ns_start, cycles;
+ struct timespec64 ts;
+ u32 val;
+
+ if (on) {
+ ts.tv_sec = req->period.sec;
+ ts.tv_nsec = req->period.nsec;
+ ns_period = timespec64_to_ns(&ts);
+
+ cycles = (ns_period * cpts->refclk_freq) / NSEC_PER_SEC;
+
+ ts.tv_sec = req->start.sec;
+ ts.tv_nsec = req->start.nsec;
+ ns_start = timespec64_to_ns(&ts);
+
+ val = upper_32_bits(ns_start);
+ am65_cpts_write32(cpts, val, genf[req->index].comp_hi);
+ val = lower_32_bits(ns_start);
+ am65_cpts_write32(cpts, val, genf[req->index].comp_lo);
+ val = lower_32_bits(cycles);
+ am65_cpts_write32(cpts, val, genf[req->index].length);
+
+ cpts->genf_enable |= BIT(req->index);
+ } else {
+ am65_cpts_write32(cpts, 0, genf[req->index].length);
+
+ cpts->genf_enable &= ~BIT(req->index);
+ }
+}
+
+static int am65_cpts_perout_enable(struct am65_cpts *cpts,
+ struct ptp_perout_request *req, int on)
+{
+ if (!!(cpts->genf_enable & BIT(req->index)) == !!on)
+ return 0;
+
+ mutex_lock(&cpts->ptp_clk_lock);
+ am65_cpts_perout_enable_hw(cpts, req, on);
+ mutex_unlock(&cpts->ptp_clk_lock);
+
+ dev_dbg(cpts->dev, "%s: GenF:%u %s\n",
+ __func__, req->index, on ? "enabled" : "disabled");
+
+ return 0;
+}
+
+static int am65_cpts_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq, int on)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+
+ switch (rq->type) {
+ case PTP_CLK_REQ_EXTTS:
+ return am65_cpts_extts_enable(cpts, rq->extts.index, on);
+ case PTP_CLK_REQ_PEROUT:
+ return am65_cpts_perout_enable(cpts, &rq->perout, on);
+ default:
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+static long am65_cpts_ts_work(struct ptp_clock_info *ptp);
+
+static struct ptp_clock_info am65_ptp_info = {
+ .owner = THIS_MODULE,
+ .name = "CTPS timer",
+ .adjfreq = am65_cpts_ptp_adjfreq,
+ .adjtime = am65_cpts_ptp_adjtime,
+ .gettimex64 = am65_cpts_ptp_gettimex,
+ .settime64 = am65_cpts_ptp_settime,
+ .enable = am65_cpts_ptp_enable,
+ .do_aux_work = am65_cpts_ts_work,
+};
+
+static bool am65_cpts_match_tx_ts(struct am65_cpts *cpts,
+ struct am65_cpts_event *event)
+{
+ struct sk_buff_head txq_list;
+ struct sk_buff *skb, *tmp;
+ unsigned long flags;
+ bool found = false;
+ u32 mtype_seqid;
+
+ mtype_seqid = event->event1 &
+ (AM65_CPTS_EVENT_1_MESSAGE_TYPE_MASK |
+ AM65_CPTS_EVENT_1_EVENT_TYPE_MASK |
+ AM65_CPTS_EVENT_1_SEQUENCE_ID_MASK);
+
+ __skb_queue_head_init(&txq_list);
+
+ spin_lock_irqsave(&cpts->txq.lock, flags);
+ skb_queue_splice_init(&cpts->txq, &txq_list);
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
+
+ /* no need to grab txq.lock as access is always done under cpts->lock */
+ skb_queue_walk_safe(&txq_list, skb, tmp) {
+ struct skb_shared_hwtstamps ssh;
+ struct am65_cpts_skb_cb_data *skb_cb =
+ (struct am65_cpts_skb_cb_data *)skb->cb;
+
+ if (mtype_seqid == skb_cb->skb_mtype_seqid) {
+ u64 ns = event->timestamp;
+
+ memset(&ssh, 0, sizeof(ssh));
+ ssh.hwtstamp = ns_to_ktime(ns);
+ skb_tstamp_tx(skb, &ssh);
+ found = true;
+ __skb_unlink(skb, &txq_list);
+ dev_consume_skb_any(skb);
+ dev_dbg(cpts->dev,
+ "match tx timestamp mtype_seqid %08x\n",
+ mtype_seqid);
+ break;
+ }
+
+ if (time_after(jiffies, skb_cb->tmo)) {
+ /* timeout any expired skbs over 100 ms */
+ dev_dbg(cpts->dev,
+ "expiring tx timestamp mtype_seqid %08x\n",
+ mtype_seqid);
+ __skb_unlink(skb, &txq_list);
+ dev_consume_skb_any(skb);
+ }
+ }
+
+ spin_lock_irqsave(&cpts->txq.lock, flags);
+ skb_queue_splice(&txq_list, &cpts->txq);
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
+
+ return found;
+}
+
+static void am65_cpts_find_ts(struct am65_cpts *cpts)
+{
+ struct am65_cpts_event *event;
+ struct list_head *this, *next;
+ LIST_HEAD(events_free);
+ unsigned long flags;
+ LIST_HEAD(events);
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ list_splice_init(&cpts->events, &events);
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ list_for_each_safe(this, next, &events) {
+ event = list_entry(this, struct am65_cpts_event, list);
+ if (am65_cpts_match_tx_ts(cpts, event) ||
+ time_after(jiffies, event->tmo)) {
+ list_del_init(&event->list);
+ list_add(&event->list, &events_free);
+ }
+ }
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ list_splice_tail(&events, &cpts->events);
+ list_splice_tail(&events_free, &cpts->pool);
+ spin_unlock_irqrestore(&cpts->lock, flags);
+}
+
+static long am65_cpts_ts_work(struct ptp_clock_info *ptp)
+{
+ struct am65_cpts *cpts = container_of(ptp, struct am65_cpts, ptp_info);
+ unsigned long flags;
+ long delay = -1;
+
+ am65_cpts_find_ts(cpts);
+
+ spin_lock_irqsave(&cpts->txq.lock, flags);
+ if (!skb_queue_empty(&cpts->txq))
+ delay = AM65_CPTS_SKB_TX_WORK_TIMEOUT;
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
+
+ return delay;
+}
+
+/**
+ * am65_cpts_rx_enable - enable rx timestamping
+ * @cpts: cpts handle
+ * @skb: packet
+ *
+ * This functions enables rx packets timestamping. The CPTS can timestamp all
+ * rx packets.
+ */
+void am65_cpts_rx_enable(struct am65_cpts *cpts, bool en)
+{
+ u32 val;
+
+ mutex_lock(&cpts->ptp_clk_lock);
+ val = am65_cpts_read32(cpts, control);
+ if (en)
+ val |= AM65_CPTS_CONTROL_TSTAMP_EN;
+ else
+ val &= ~AM65_CPTS_CONTROL_TSTAMP_EN;
+ am65_cpts_write32(cpts, val, control);
+ mutex_unlock(&cpts->ptp_clk_lock);
+}
+EXPORT_SYMBOL_GPL(am65_cpts_rx_enable);
+
+static int am65_skb_get_mtype_seqid(struct sk_buff *skb, u32 *mtype_seqid)
+{
+ unsigned int ptp_class = ptp_classify_raw(skb);
+ u8 *msgtype, *data = skb->data;
+ unsigned int offset = 0;
+ __be16 *seqid;
+
+ if (ptp_class == PTP_CLASS_NONE)
+ return 0;
+
+ if (ptp_class & PTP_CLASS_VLAN)
+ offset += VLAN_HLEN;
+
+ switch (ptp_class & PTP_CLASS_PMASK) {
+ case PTP_CLASS_IPV4:
+ offset += ETH_HLEN + IPV4_HLEN(data + offset) + UDP_HLEN;
+ break;
+ case PTP_CLASS_IPV6:
+ offset += ETH_HLEN + IP6_HLEN + UDP_HLEN;
+ break;
+ case PTP_CLASS_L2:
+ offset += ETH_HLEN;
+ break;
+ default:
+ return 0;
+ }
+
+ if (skb->len + ETH_HLEN < offset + OFF_PTP_SEQUENCE_ID + sizeof(*seqid))
+ return 0;
+
+ if (unlikely(ptp_class & PTP_CLASS_V1))
+ msgtype = data + offset + OFF_PTP_CONTROL;
+ else
+ msgtype = data + offset;
+
+ seqid = (__be16 *)(data + offset + OFF_PTP_SEQUENCE_ID);
+ *mtype_seqid = (*msgtype << AM65_CPTS_EVENT_1_MESSAGE_TYPE_SHIFT) &
+ AM65_CPTS_EVENT_1_MESSAGE_TYPE_MASK;
+ *mtype_seqid |= (ntohs(*seqid) & AM65_CPTS_EVENT_1_SEQUENCE_ID_MASK);
+
+ return 1;
+}
+
+/**
+ * am65_cpts_tx_timestamp - save tx packet for timestamping
+ * @cpts: cpts handle
+ * @skb: packet
+ *
+ * This functions saves tx packet for timestamping if packet can be timestamped.
+ * The future processing is done in from PTP auxiliary worker.
+ */
+void am65_cpts_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb)
+{
+ struct am65_cpts_skb_cb_data *skb_cb = (void *)skb->cb;
+
+ if (!(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
+ return;
+
+ /* add frame to queue for processing later.
+ * The periodic FIFO check will handle this.
+ */
+ skb_get(skb);
+ /* get the timestamp for timeouts */
+ skb_cb->tmo = jiffies + msecs_to_jiffies(100);
+ skb_queue_tail(&cpts->txq, skb);
+ ptp_schedule_worker(cpts->ptp_clock, 0);
+}
+EXPORT_SYMBOL_GPL(am65_cpts_tx_timestamp);
+
+/**
+ * am65_cpts_prep_tx_timestamp - check and prepare tx packet for timestamping
+ * @cpts: cpts handle
+ * @skb: packet
+ *
+ * This functions should be called from .xmit().
+ * It checks if packet can be timestamped, fills internal cpts data
+ * in skb-cb and marks packet as SKBTX_IN_PROGRESS.
+ */
+void am65_cpts_prep_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb)
+{
+ struct am65_cpts_skb_cb_data *skb_cb = (void *)skb->cb;
+ int ret;
+
+ if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
+ return;
+
+ ret = am65_skb_get_mtype_seqid(skb, &skb_cb->skb_mtype_seqid);
+ if (!ret)
+ return;
+ skb_cb->skb_mtype_seqid |= (AM65_CPTS_EV_TX <<
+ AM65_CPTS_EVENT_1_EVENT_TYPE_SHIFT);
+
+ skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+}
+EXPORT_SYMBOL_GPL(am65_cpts_prep_tx_timestamp);
+
+int am65_cpts_phc_index(struct am65_cpts *cpts)
+{
+ return cpts->phc_index;
+}
+EXPORT_SYMBOL_GPL(am65_cpts_phc_index);
+
+static void cpts_free_clk_mux(void *data)
+{
+ struct am65_cpts *cpts = data;
+
+ of_clk_del_provider(cpts->clk_mux_np);
+ clk_hw_unregister_mux(cpts->clk_mux_hw);
+ of_node_put(cpts->clk_mux_np);
+}
+
+static int cpts_of_mux_clk_setup(struct am65_cpts *cpts,
+ struct device_node *node)
+{
+ unsigned int num_parents;
+ const char **parent_names;
+ char *clk_mux_name;
+ void __iomem *reg;
+ int ret = -EINVAL;
+
+ cpts->clk_mux_np = of_get_child_by_name(node, "refclk-mux");
+ if (!cpts->clk_mux_np)
+ return 0;
+
+ num_parents = of_clk_get_parent_count(cpts->clk_mux_np);
+ if (num_parents < 1) {
+ dev_err(cpts->dev, "mux-clock %pOF must have parents\n",
+ cpts->clk_mux_np);
+ goto mux_fail;
+ }
+
+ parent_names = devm_kcalloc(cpts->dev, sizeof(char *), num_parents,
+ GFP_KERNEL);
+ if (!parent_names) {
+ ret = -ENOMEM;
+ goto mux_fail;
+ }
+
+ of_clk_parent_fill(cpts->clk_mux_np, parent_names, num_parents);
+
+ clk_mux_name = devm_kasprintf(cpts->dev, GFP_KERNEL, "%s.%pOFn",
+ dev_name(cpts->dev), cpts->clk_mux_np);
+ if (!clk_mux_name) {
+ ret = -ENOMEM;
+ goto mux_fail;
+ }
+
+ reg = &cpts->reg->rftclk_sel;
+ /* dev must be NULL to avoid recursive incrementing
+ * of module refcnt
+ */
+ cpts->clk_mux_hw = clk_hw_register_mux(NULL, clk_mux_name,
+ parent_names, num_parents,
+ 0, reg, 0, 5, 0, NULL);
+ if (IS_ERR(cpts->clk_mux_hw)) {
+ ret = PTR_ERR(cpts->clk_mux_hw);
+ goto mux_fail;
+ }
+
+ ret = of_clk_add_hw_provider(cpts->clk_mux_np, of_clk_hw_simple_get,
+ cpts->clk_mux_hw);
+ if (ret)
+ goto clk_hw_register;
+
+ ret = devm_add_action_or_reset(cpts->dev, cpts_free_clk_mux, cpts);
+ if (ret)
+ dev_err(cpts->dev, "failed to add clkmux reset action %d", ret);
+
+ return ret;
+
+clk_hw_register:
+ clk_hw_unregister_mux(cpts->clk_mux_hw);
+mux_fail:
+ of_node_put(cpts->clk_mux_np);
+ return ret;
+}
+
+static int am65_cpts_of_parse(struct am65_cpts *cpts, struct device_node *node)
+{
+ u32 prop[2];
+
+ if (!of_property_read_u32(node, "ti,cpts-ext-ts-inputs", &prop[0]))
+ cpts->ext_ts_inputs = prop[0];
+
+ if (!of_property_read_u32(node, "ti,cpts-periodic-outputs", &prop[0]))
+ cpts->genf_num = prop[0];
+
+ return cpts_of_mux_clk_setup(cpts, node);
+}
+
+static void am65_cpts_release(void *data)
+{
+ struct am65_cpts *cpts = data;
+
+ ptp_clock_unregister(cpts->ptp_clock);
+ am65_cpts_disable(cpts);
+ clk_disable_unprepare(cpts->refclk);
+}
+
+struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
+ struct device_node *node)
+{
+ struct am65_cpts *cpts;
+ int ret, i;
+
+ cpts = devm_kzalloc(dev, sizeof(*cpts), GFP_KERNEL);
+ if (!cpts)
+ return ERR_PTR(-ENOMEM);
+
+ cpts->dev = dev;
+ cpts->reg = (struct am65_cpts_regs __iomem *)regs;
+
+ cpts->irq = of_irq_get_byname(node, "cpts");
+ if (cpts->irq <= 0) {
+ ret = cpts->irq ?: -ENXIO;
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get IRQ number (err = %d)\n",
+ ret);
+ return ERR_PTR(ret);
+ }
+
+ ret = am65_cpts_of_parse(cpts, node);
+ if (ret)
+ return ERR_PTR(ret);
+
+ mutex_init(&cpts->ptp_clk_lock);
+ INIT_LIST_HEAD(&cpts->events);
+ INIT_LIST_HEAD(&cpts->pool);
+ spin_lock_init(&cpts->lock);
+ skb_queue_head_init(&cpts->txq);
+
+ for (i = 0; i < AM65_CPTS_MAX_EVENTS; i++)
+ list_add(&cpts->pool_data[i].list, &cpts->pool);
+
+ cpts->refclk = devm_get_clk_from_child(dev, node, "cpts");
+ if (IS_ERR(cpts->refclk)) {
+ ret = PTR_ERR(cpts->refclk);
+ if (ret != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get refclk %d\n", ret);
+ return ERR_PTR(ret);
+ }
+
+ ret = clk_prepare_enable(cpts->refclk);
+ if (ret) {
+ dev_err(dev, "Failed to enable refclk %d\n", ret);
+ return ERR_PTR(ret);
+ }
+
+ cpts->refclk_freq = clk_get_rate(cpts->refclk);
+
+ am65_ptp_info.max_adj = cpts->refclk_freq / AM65_CPTS_MIN_PPM;
+ cpts->ptp_info = am65_ptp_info;
+
+ if (cpts->ext_ts_inputs)
+ cpts->ptp_info.n_ext_ts = cpts->ext_ts_inputs;
+ if (cpts->genf_num)
+ cpts->ptp_info.n_per_out = cpts->genf_num;
+
+ am65_cpts_set_add_val(cpts);
+
+ am65_cpts_write32(cpts, AM65_CPTS_CONTROL_EN | AM65_CPTS_CONTROL_64MODE,
+ control);
+ am65_cpts_write32(cpts, AM65_CPTS_INT_ENABLE_TS_PEND_EN, int_enable);
+
+ /* set time to the current system time */
+ am65_cpts_settime(cpts, ktime_to_ns(ktime_get_real()));
+
+ cpts->ptp_clock = ptp_clock_register(&cpts->ptp_info, cpts->dev);
+ if (IS_ERR_OR_NULL(cpts->ptp_clock)) {
+ dev_err(dev, "Failed to register ptp clk %ld\n",
+ PTR_ERR(cpts->ptp_clock));
+ if (!cpts->ptp_clock)
+ ret = -ENODEV;
+ goto refclk_disable;
+ }
+ cpts->phc_index = ptp_clock_index(cpts->ptp_clock);
+
+ ret = devm_add_action_or_reset(dev, am65_cpts_release, cpts);
+ if (ret) {
+ dev_err(dev, "failed to add ptpclk reset action %d", ret);
+ return ERR_PTR(ret);
+ }
+
+ ret = devm_request_threaded_irq(dev, cpts->irq, NULL,
+ am65_cpts_interrupt,
+ IRQF_ONESHOT, dev_name(dev), cpts);
+ if (ret < 0) {
+ dev_err(cpts->dev, "error attaching irq %d\n", ret);
+ return ERR_PTR(ret);
+ }
+
+ dev_info(dev, "CPTS ver 0x%08x, freq:%u, add_val:%u\n",
+ am65_cpts_read32(cpts, idver),
+ cpts->refclk_freq, cpts->ts_add_val);
+
+ return cpts;
+
+refclk_disable:
+ clk_disable_unprepare(cpts->refclk);
+ return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(am65_cpts_create);
+
+static int am65_cpts_probe(struct platform_device *pdev)
+{
+ struct device_node *node = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ struct am65_cpts *cpts;
+ struct resource *res;
+ void __iomem *base;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cpts");
+ base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
+
+ cpts = am65_cpts_create(dev, base, node);
+ return PTR_ERR_OR_ZERO(cpts);
+}
+
+static const struct of_device_id am65_cpts_of_match[] = {
+ { .compatible = "ti,am65-cpts", },
+ { .compatible = "ti,j721e-cpts", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, am65_cpts_of_match);
+
+static struct platform_driver am65_cpts_driver = {
+ .probe = am65_cpts_probe,
+ .driver = {
+ .name = "am65-cpts",
+ .of_match_table = am65_cpts_of_match,
+ },
+};
+module_platform_driver(am65_cpts_driver);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Grygorii Strashko <grygorii.strashko@ti.com>");
+MODULE_DESCRIPTION("TI K3 AM65 CPTS driver");
diff --git a/drivers/net/ethernet/ti/am65-cpts.h b/drivers/net/ethernet/ti/am65-cpts.h
new file mode 100644
index 000000000000..cf9fbc28fd03
--- /dev/null
+++ b/drivers/net/ethernet/ti/am65-cpts.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* TI K3 AM65 CPTS driver interface
+ *
+ * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com
+ */
+
+#ifndef K3_CPTS_H_
+#define K3_CPTS_H_
+
+#include <linux/device.h>
+#include <linux/of.h>
+
+struct am65_cpts;
+
+struct am65_cpts_estf_cfg {
+ u64 ns_period;
+ u64 ns_start;
+};
+
+#if IS_ENABLED(CONFIG_TI_K3_AM65_CPTS)
+struct am65_cpts *am65_cpts_create(struct device *dev, void __iomem *regs,
+ struct device_node *node);
+int am65_cpts_phc_index(struct am65_cpts *cpts);
+void am65_cpts_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb);
+void am65_cpts_prep_tx_timestamp(struct am65_cpts *cpts, struct sk_buff *skb);
+void am65_cpts_rx_enable(struct am65_cpts *cpts, bool en);
+u64 am65_cpts_ns_gettime(struct am65_cpts *cpts);
+int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx,
+ struct am65_cpts_estf_cfg *cfg);
+void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx);
+#else
+static inline struct am65_cpts *am65_cpts_create(struct device *dev,
+ void __iomem *regs,
+ struct device_node *node)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline int am65_cpts_phc_index(struct am65_cpts *cpts)
+{
+ return -1;
+}
+
+static inline void am65_cpts_tx_timestamp(struct am65_cpts *cpts,
+ struct sk_buff *skb)
+{
+}
+
+static inline void am65_cpts_prep_tx_timestamp(struct am65_cpts *cpts,
+ struct sk_buff *skb)
+{
+}
+
+static inline void am65_cpts_rx_enable(struct am65_cpts *cpts, bool en)
+{
+}
+
+static inline s64 am65_cpts_ns_gettime(struct am65_cpts *cpts)
+{
+ return 0;
+}
+
+static inline int am65_cpts_estf_enable(struct am65_cpts *cpts, int idx,
+ struct am65_cpts_estf_cfg *cfg)
+{
+ return 0;
+}
+
+static inline void am65_cpts_estf_disable(struct am65_cpts *cpts, int idx)
+{
+}
+#endif
+
+#endif /* K3_CPTS_H_ */
diff --git a/drivers/net/ethernet/ti/cpmac.c b/drivers/net/ethernet/ti/cpmac.c
index a530afe3ce12..c20715107075 100644
--- a/drivers/net/ethernet/ti/cpmac.c
+++ b/drivers/net/ethernet/ti/cpmac.c
@@ -532,7 +532,7 @@ fatal_error:
}
-static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
int queue;
unsigned int len;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index c2c5bf87da01..9b17bbbe102f 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -406,6 +406,7 @@ static void cpsw_rx_handler(void *token, int len, int status)
xdp.data_hard_start = pa;
xdp.rxq = &priv->xdp_rxq[ch];
+ xdp.frame_sz = PAGE_SIZE;
port = priv->emac_port + cpsw->data.dual_emac;
ret = cpsw_run_xdp(priv, ch, &xdp, page, port);
@@ -1569,6 +1570,12 @@ static int cpsw_probe(struct platform_device *pdev)
return irq;
cpsw->irqs_table[1] = irq;
+ /* get misc irq*/
+ irq = platform_get_irq(pdev, 3);
+ if (irq <= 0)
+ return irq;
+ cpsw->misc_irq = irq;
+
/*
* This may be required here for child devices.
*/
@@ -1703,6 +1710,21 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_unregister_netdev_ret;
}
+ if (!cpsw->cpts)
+ goto skip_cpts;
+
+ ret = devm_request_irq(&pdev->dev, cpsw->misc_irq, cpsw_misc_interrupt,
+ 0, dev_name(&pdev->dev), cpsw);
+ if (ret < 0) {
+ dev_err(dev, "error attaching misc irq (%d)\n", ret);
+ goto clean_unregister_netdev_ret;
+ }
+
+ /* Enable misc CPTS evnt_pend IRQ */
+ cpts_set_irqpoll(cpsw->cpts, false);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+skip_cpts:
cpsw_notice(priv, probe,
"initialized device (regs %pa, irq %d, pool size %d)\n",
&ss_res->start, cpsw->irqs_table[0], descs_pool_size);
@@ -1753,11 +1775,15 @@ static int cpsw_suspend(struct device *dev)
struct cpsw_common *cpsw = dev_get_drvdata(dev);
int i;
+ rtnl_lock();
+
for (i = 0; i < cpsw->data.slaves; i++)
if (cpsw->slaves[i].ndev)
if (netif_running(cpsw->slaves[i].ndev))
cpsw_ndo_stop(cpsw->slaves[i].ndev);
+ rtnl_unlock();
+
/* Select sleep pin state */
pinctrl_pm_select_sleep_state(dev);
diff --git a/drivers/net/ethernet/ti/cpsw_ale.c b/drivers/net/ethernet/ti/cpsw_ale.c
index 0374e6936091..8dc6be11b2ff 100644
--- a/drivers/net/ethernet/ti/cpsw_ale.c
+++ b/drivers/net/ethernet/ti/cpsw_ale.c
@@ -955,7 +955,7 @@ struct cpsw_ale *cpsw_ale_create(struct cpsw_ale_params *params)
ale = devm_kzalloc(params->dev, sizeof(*ale), GFP_KERNEL);
if (!ale)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ale->p0_untag_vid_mask =
devm_kmalloc_array(params->dev, BITS_TO_LONGS(VLAN_N_VID),
diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
index 9209e613257d..1247d35d42ef 100644
--- a/drivers/net/ethernet/ti/cpsw_new.c
+++ b/drivers/net/ethernet/ti/cpsw_new.c
@@ -348,6 +348,7 @@ static void cpsw_rx_handler(void *token, int len, int status)
xdp.data_hard_start = pa;
xdp.rxq = &priv->xdp_rxq[ch];
+ xdp.frame_sz = PAGE_SIZE;
ret = cpsw_run_xdp(priv, ch, &xdp, page, priv->emac_port);
if (ret != CPSW_XDP_PASS)
@@ -1228,7 +1229,7 @@ static int cpsw_probe_dt(struct cpsw_common *cpsw)
data->active_slave = 0;
data->channels = CPSW_MAX_QUEUES;
data->ale_entries = CPSW_ALE_NUM_ENTRIES;
- data->dual_emac = 1;
+ data->dual_emac = true;
data->bd_ram_size = CPSW_BD_RAM_SIZE;
data->mac_control = 0;
@@ -1896,6 +1897,11 @@ static int cpsw_probe(struct platform_device *pdev)
return irq;
cpsw->irqs_table[1] = irq;
+ irq = platform_get_irq_byname(pdev, "misc");
+ if (irq <= 0)
+ return irq;
+ cpsw->misc_irq = irq;
+
platform_set_drvdata(pdev, cpsw);
/* This may be required here for child devices. */
pm_runtime_enable(dev);
@@ -1916,7 +1922,7 @@ static int cpsw_probe(struct platform_device *pdev)
soc = soc_device_match(cpsw_soc_devices);
if (soc)
- cpsw->quirk_irq = 1;
+ cpsw->quirk_irq = true;
cpsw->rx_packet_max = rx_packet_max;
cpsw->descs_pool_size = descs_pool_size;
@@ -1975,6 +1981,21 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_unregister_netdev;
}
+ if (!cpsw->cpts)
+ goto skip_cpts;
+
+ ret = devm_request_irq(dev, cpsw->misc_irq, cpsw_misc_interrupt,
+ 0, dev_name(&pdev->dev), cpsw);
+ if (ret < 0) {
+ dev_err(dev, "error attaching misc irq (%d)\n", ret);
+ goto clean_unregister_netdev;
+ }
+
+ /* Enable misc CPTS evnt_pend IRQ */
+ cpts_set_irqpoll(cpsw->cpts, false);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+skip_cpts:
ret = cpsw_register_notifiers(cpsw);
if (ret)
goto clean_unregister_netdev;
diff --git a/drivers/net/ethernet/ti/cpsw_priv.c b/drivers/net/ethernet/ti/cpsw_priv.c
index 97a058ca60ac..a399f3659346 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.c
+++ b/drivers/net/ethernet/ti/cpsw_priv.c
@@ -28,6 +28,8 @@
#include "cpsw_sl.h"
#include "davinci_cpdma.h"
+#define CPTS_N_ETX_TS 4
+
int (*cpsw_slave_index)(struct cpsw_common *cpsw, struct cpsw_priv *priv);
void cpsw_intr_enable(struct cpsw_common *cpsw)
@@ -112,6 +114,18 @@ irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
+irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id)
+{
+ struct cpsw_common *cpsw = dev_id;
+
+ writel(0, &cpsw->wr_regs->misc_en);
+ cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_MISC);
+ cpts_misc_interrupt(cpsw->cpts);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+ return IRQ_HANDLED;
+}
+
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget)
{
struct cpsw_common *cpsw = napi_to_cpsw(napi_tx);
@@ -490,9 +504,9 @@ int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
cpsw->ale = cpsw_ale_create(&ale_params);
- if (!cpsw->ale) {
+ if (IS_ERR(cpsw->ale)) {
dev_err(dev, "error initializing ale engine\n");
- return -ENODEV;
+ return PTR_ERR(cpsw->ale);
}
dma_params.dev = dev;
@@ -522,7 +536,8 @@ int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
if (!cpts_node)
cpts_node = cpsw->dev->of_node;
- cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpts_node);
+ cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpts_node,
+ CPTS_N_ETX_TS);
if (IS_ERR(cpsw->cpts)) {
ret = PTR_ERR(cpsw->cpts);
cpdma_ctlr_destroy(cpsw->dma);
@@ -1340,7 +1355,7 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
ret = CPSW_XDP_PASS;
break;
case XDP_TX:
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
goto drop;
diff --git a/drivers/net/ethernet/ti/cpsw_priv.h b/drivers/net/ethernet/ti/cpsw_priv.h
index b8d7b924ee3d..bf4e179b4ca4 100644
--- a/drivers/net/ethernet/ti/cpsw_priv.h
+++ b/drivers/net/ethernet/ti/cpsw_priv.h
@@ -350,6 +350,7 @@ struct cpsw_common {
bool rx_irq_disabled;
bool tx_irq_disabled;
u32 irqs_table[IRQ_NUM];
+ int misc_irq;
struct cpts *cpts;
struct devlink *devlink;
int rx_ch_num, tx_ch_num;
@@ -442,6 +443,7 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
struct page *page, int port);
irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id);
+irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id);
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget);
int cpsw_tx_poll(struct napi_struct *napi_tx, int budget);
int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget);
diff --git a/drivers/net/ethernet/ti/cpts.c b/drivers/net/ethernet/ti/cpts.c
index 729ce09dded9..7c55d395de2c 100644
--- a/drivers/net/ethernet/ti/cpts.c
+++ b/drivers/net/ethernet/ti/cpts.c
@@ -21,16 +21,21 @@
#include "cpts.h"
#define CPTS_SKB_TX_WORK_TIMEOUT 1 /* jiffies */
+#define CPTS_SKB_RX_TX_TMO 100 /*ms */
+#define CPTS_EVENT_RX_TX_TIMEOUT (100) /* ms */
struct cpts_skb_cb_data {
+ u32 skb_mtype_seqid;
unsigned long tmo;
};
#define cpts_read32(c, r) readl_relaxed(&c->reg->r)
#define cpts_write32(c, v, r) writel_relaxed(v, &c->reg->r)
-static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
- u16 ts_seqid, u8 ts_msgtype);
+static int cpts_event_port(struct cpts_event *event)
+{
+ return (event->high >> PORT_NUMBER_SHIFT) & PORT_NUMBER_MASK;
+}
static int event_expired(struct cpts_event *event)
{
@@ -71,7 +76,7 @@ static int cpts_purge_events(struct cpts *cpts)
}
if (removed)
- pr_debug("cpts: event pool cleaned up %d\n", removed);
+ dev_dbg(cpts->dev, "cpts: event pool cleaned up %d\n", removed);
return removed ? 0 : -1;
}
@@ -94,132 +99,126 @@ static void cpts_purge_txq(struct cpts *cpts)
dev_dbg(cpts->dev, "txq cleaned up %d\n", removed);
}
-static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event)
-{
- struct sk_buff *skb, *tmp;
- u16 seqid;
- u8 mtype;
- bool found = false;
-
- mtype = (event->high >> MESSAGE_TYPE_SHIFT) & MESSAGE_TYPE_MASK;
- seqid = (event->high >> SEQUENCE_ID_SHIFT) & SEQUENCE_ID_MASK;
-
- /* no need to grab txq.lock as access is always done under cpts->lock */
- skb_queue_walk_safe(&cpts->txq, skb, tmp) {
- struct skb_shared_hwtstamps ssh;
- unsigned int class = ptp_classify_raw(skb);
- struct cpts_skb_cb_data *skb_cb =
- (struct cpts_skb_cb_data *)skb->cb;
-
- if (cpts_match(skb, class, seqid, mtype)) {
- u64 ns = timecounter_cyc2time(&cpts->tc, event->low);
-
- memset(&ssh, 0, sizeof(ssh));
- ssh.hwtstamp = ns_to_ktime(ns);
- skb_tstamp_tx(skb, &ssh);
- found = true;
- __skb_unlink(skb, &cpts->txq);
- dev_consume_skb_any(skb);
- dev_dbg(cpts->dev, "match tx timestamp mtype %u seqid %04x\n",
- mtype, seqid);
- break;
- }
-
- if (time_after(jiffies, skb_cb->tmo)) {
- /* timeout any expired skbs over 1s */
- dev_dbg(cpts->dev, "expiring tx timestamp from txq\n");
- __skb_unlink(skb, &cpts->txq);
- dev_consume_skb_any(skb);
- }
- }
-
- return found;
-}
-
/*
* Returns zero if matching event type was found.
*/
static int cpts_fifo_read(struct cpts *cpts, int match)
{
+ struct ptp_clock_event pevent;
+ bool need_schedule = false;
+ struct cpts_event *event;
+ unsigned long flags;
int i, type = -1;
u32 hi, lo;
- struct cpts_event *event;
+
+ spin_lock_irqsave(&cpts->lock, flags);
for (i = 0; i < CPTS_FIFO_DEPTH; i++) {
if (cpts_fifo_pop(cpts, &hi, &lo))
break;
if (list_empty(&cpts->pool) && cpts_purge_events(cpts)) {
- pr_err("cpts: event pool empty\n");
- return -1;
+ dev_warn(cpts->dev, "cpts: event pool empty\n");
+ break;
}
event = list_first_entry(&cpts->pool, struct cpts_event, list);
- event->tmo = jiffies + 2;
event->high = hi;
event->low = lo;
+ event->timestamp = timecounter_cyc2time(&cpts->tc, event->low);
type = event_type(event);
+
+ dev_dbg(cpts->dev, "CPTS_EV: %d high:%08X low:%08x\n",
+ type, event->high, event->low);
switch (type) {
- case CPTS_EV_TX:
- if (cpts_match_tx_ts(cpts, event)) {
- /* if the new event matches an existing skb,
- * then don't queue it
- */
- break;
- }
- /* fall through */
case CPTS_EV_PUSH:
+ WRITE_ONCE(cpts->cur_timestamp, lo);
+ timecounter_read(&cpts->tc);
+ if (cpts->mult_new) {
+ cpts->cc.mult = cpts->mult_new;
+ cpts->mult_new = 0;
+ }
+ if (!cpts->irq_poll)
+ complete(&cpts->ts_push_complete);
+ break;
+ case CPTS_EV_TX:
case CPTS_EV_RX:
+ event->tmo = jiffies +
+ msecs_to_jiffies(CPTS_EVENT_RX_TX_TIMEOUT);
+
list_del_init(&event->list);
list_add_tail(&event->list, &cpts->events);
+ need_schedule = true;
break;
case CPTS_EV_ROLL:
case CPTS_EV_HALF:
+ break;
case CPTS_EV_HW:
+ pevent.timestamp = event->timestamp;
+ pevent.type = PTP_CLOCK_EXTTS;
+ pevent.index = cpts_event_port(event) - 1;
+ ptp_clock_event(cpts->clock, &pevent);
break;
default:
- pr_err("cpts: unknown event type\n");
+ dev_err(cpts->dev, "cpts: unknown event type\n");
break;
}
if (type == match)
break;
}
+
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ if (!cpts->irq_poll && need_schedule)
+ ptp_schedule_worker(cpts->clock, 0);
+
return type == match ? 0 : -1;
}
+void cpts_misc_interrupt(struct cpts *cpts)
+{
+ cpts_fifo_read(cpts, -1);
+}
+EXPORT_SYMBOL_GPL(cpts_misc_interrupt);
+
static u64 cpts_systim_read(const struct cyclecounter *cc)
{
- u64 val = 0;
- struct cpts_event *event;
- struct list_head *this, *next;
struct cpts *cpts = container_of(cc, struct cpts, cc);
+ return READ_ONCE(cpts->cur_timestamp);
+}
+
+static void cpts_update_cur_time(struct cpts *cpts, int match,
+ struct ptp_system_timestamp *sts)
+{
+ unsigned long flags;
+
+ reinit_completion(&cpts->ts_push_complete);
+
+ /* use spin_lock_irqsave() here as it has to run very fast */
+ spin_lock_irqsave(&cpts->lock, flags);
+ ptp_read_system_prets(sts);
cpts_write32(cpts, TS_PUSH, ts_push);
- if (cpts_fifo_read(cpts, CPTS_EV_PUSH))
- pr_err("cpts: unable to obtain a time stamp\n");
+ cpts_read32(cpts, ts_push);
+ ptp_read_system_postts(sts);
+ spin_unlock_irqrestore(&cpts->lock, flags);
- list_for_each_safe(this, next, &cpts->events) {
- event = list_entry(this, struct cpts_event, list);
- if (event_type(event) == CPTS_EV_PUSH) {
- list_del_init(&event->list);
- list_add(&event->list, &cpts->pool);
- val = event->low;
- break;
- }
- }
+ if (cpts->irq_poll && cpts_fifo_read(cpts, match) && match != -1)
+ dev_err(cpts->dev, "cpts: unable to obtain a time stamp\n");
- return val;
+ if (!cpts->irq_poll &&
+ !wait_for_completion_timeout(&cpts->ts_push_complete, HZ))
+ dev_err(cpts->dev, "cpts: obtain a time stamp timeout\n");
}
/* PTP clock operations */
static int cpts_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
{
- u64 adj;
- u32 diff, mult;
- int neg_adj = 0;
- unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
+ int neg_adj = 0;
+ u32 diff, mult;
+ u64 adj;
if (ppb < 0) {
neg_adj = 1;
@@ -230,38 +229,40 @@ static int cpts_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
adj *= ppb;
diff = div_u64(adj, 1000000000ULL);
- spin_lock_irqsave(&cpts->lock, flags);
+ mutex_lock(&cpts->ptp_clk_mutex);
- timecounter_read(&cpts->tc);
+ cpts->mult_new = neg_adj ? mult - diff : mult + diff;
- cpts->cc.mult = neg_adj ? mult - diff : mult + diff;
-
- spin_unlock_irqrestore(&cpts->lock, flags);
+ cpts_update_cur_time(cpts, CPTS_EV_PUSH, NULL);
+ mutex_unlock(&cpts->ptp_clk_mutex);
return 0;
}
static int cpts_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
- unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
- spin_lock_irqsave(&cpts->lock, flags);
+ mutex_lock(&cpts->ptp_clk_mutex);
timecounter_adjtime(&cpts->tc, delta);
- spin_unlock_irqrestore(&cpts->lock, flags);
+ mutex_unlock(&cpts->ptp_clk_mutex);
return 0;
}
-static int cpts_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
+static int cpts_ptp_gettimeex(struct ptp_clock_info *ptp,
+ struct timespec64 *ts,
+ struct ptp_system_timestamp *sts)
{
- u64 ns;
- unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
+ u64 ns;
+
+ mutex_lock(&cpts->ptp_clk_mutex);
+
+ cpts_update_cur_time(cpts, CPTS_EV_PUSH, sts);
- spin_lock_irqsave(&cpts->lock, flags);
ns = timecounter_read(&cpts->tc);
- spin_unlock_irqrestore(&cpts->lock, flags);
+ mutex_unlock(&cpts->ptp_clk_mutex);
*ts = ns_to_timespec64(ns);
@@ -271,15 +272,38 @@ static int cpts_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
static int cpts_ptp_settime(struct ptp_clock_info *ptp,
const struct timespec64 *ts)
{
- u64 ns;
- unsigned long flags;
struct cpts *cpts = container_of(ptp, struct cpts, info);
+ u64 ns;
ns = timespec64_to_ns(ts);
- spin_lock_irqsave(&cpts->lock, flags);
+ mutex_lock(&cpts->ptp_clk_mutex);
timecounter_init(&cpts->tc, &cpts->cc, ns);
- spin_unlock_irqrestore(&cpts->lock, flags);
+ mutex_unlock(&cpts->ptp_clk_mutex);
+
+ return 0;
+}
+
+static int cpts_extts_enable(struct cpts *cpts, u32 index, int on)
+{
+ u32 v;
+
+ if (((cpts->hw_ts_enable & BIT(index)) >> index) == on)
+ return 0;
+
+ mutex_lock(&cpts->ptp_clk_mutex);
+
+ v = cpts_read32(cpts, control);
+ if (on) {
+ v |= BIT(8 + index);
+ cpts->hw_ts_enable |= BIT(index);
+ } else {
+ v &= ~BIT(8 + index);
+ cpts->hw_ts_enable &= ~BIT(index);
+ }
+ cpts_write32(cpts, v, control);
+
+ mutex_unlock(&cpts->ptp_clk_mutex);
return 0;
}
@@ -287,28 +311,120 @@ static int cpts_ptp_settime(struct ptp_clock_info *ptp,
static int cpts_ptp_enable(struct ptp_clock_info *ptp,
struct ptp_clock_request *rq, int on)
{
+ struct cpts *cpts = container_of(ptp, struct cpts, info);
+
+ switch (rq->type) {
+ case PTP_CLK_REQ_EXTTS:
+ return cpts_extts_enable(cpts, rq->extts.index, on);
+ default:
+ break;
+ }
+
return -EOPNOTSUPP;
}
+static bool cpts_match_tx_ts(struct cpts *cpts, struct cpts_event *event)
+{
+ struct sk_buff_head txq_list;
+ struct sk_buff *skb, *tmp;
+ unsigned long flags;
+ bool found = false;
+ u32 mtype_seqid;
+
+ mtype_seqid = event->high &
+ ((MESSAGE_TYPE_MASK << MESSAGE_TYPE_SHIFT) |
+ (SEQUENCE_ID_MASK << SEQUENCE_ID_SHIFT) |
+ (EVENT_TYPE_MASK << EVENT_TYPE_SHIFT));
+
+ __skb_queue_head_init(&txq_list);
+
+ spin_lock_irqsave(&cpts->txq.lock, flags);
+ skb_queue_splice_init(&cpts->txq, &txq_list);
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
+
+ skb_queue_walk_safe(&txq_list, skb, tmp) {
+ struct skb_shared_hwtstamps ssh;
+ struct cpts_skb_cb_data *skb_cb =
+ (struct cpts_skb_cb_data *)skb->cb;
+
+ if (mtype_seqid == skb_cb->skb_mtype_seqid) {
+ memset(&ssh, 0, sizeof(ssh));
+ ssh.hwtstamp = ns_to_ktime(event->timestamp);
+ skb_tstamp_tx(skb, &ssh);
+ found = true;
+ __skb_unlink(skb, &txq_list);
+ dev_consume_skb_any(skb);
+ dev_dbg(cpts->dev, "match tx timestamp mtype_seqid %08x\n",
+ mtype_seqid);
+ break;
+ }
+
+ if (time_after(jiffies, skb_cb->tmo)) {
+ /* timeout any expired skbs over 1s */
+ dev_dbg(cpts->dev, "expiring tx timestamp from txq\n");
+ __skb_unlink(skb, &txq_list);
+ dev_consume_skb_any(skb);
+ }
+ }
+
+ spin_lock_irqsave(&cpts->txq.lock, flags);
+ skb_queue_splice(&txq_list, &cpts->txq);
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
+
+ return found;
+}
+
+static void cpts_process_events(struct cpts *cpts)
+{
+ struct list_head *this, *next;
+ struct cpts_event *event;
+ LIST_HEAD(events_free);
+ unsigned long flags;
+ LIST_HEAD(events);
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ list_splice_init(&cpts->events, &events);
+ spin_unlock_irqrestore(&cpts->lock, flags);
+
+ list_for_each_safe(this, next, &events) {
+ event = list_entry(this, struct cpts_event, list);
+ if (cpts_match_tx_ts(cpts, event) ||
+ time_after(jiffies, event->tmo)) {
+ list_del_init(&event->list);
+ list_add(&event->list, &events_free);
+ }
+ }
+
+ spin_lock_irqsave(&cpts->lock, flags);
+ list_splice_tail(&events, &cpts->events);
+ list_splice_tail(&events_free, &cpts->pool);
+ spin_unlock_irqrestore(&cpts->lock, flags);
+}
+
static long cpts_overflow_check(struct ptp_clock_info *ptp)
{
struct cpts *cpts = container_of(ptp, struct cpts, info);
unsigned long delay = cpts->ov_check_period;
- struct timespec64 ts;
unsigned long flags;
+ u64 ns;
- spin_lock_irqsave(&cpts->lock, flags);
- ts = ns_to_timespec64(timecounter_read(&cpts->tc));
+ mutex_lock(&cpts->ptp_clk_mutex);
+
+ cpts_update_cur_time(cpts, -1, NULL);
+ ns = timecounter_read(&cpts->tc);
+
+ cpts_process_events(cpts);
+ spin_lock_irqsave(&cpts->txq.lock, flags);
if (!skb_queue_empty(&cpts->txq)) {
cpts_purge_txq(cpts);
if (!skb_queue_empty(&cpts->txq))
delay = CPTS_SKB_TX_WORK_TIMEOUT;
}
- spin_unlock_irqrestore(&cpts->lock, flags);
+ spin_unlock_irqrestore(&cpts->txq.lock, flags);
- pr_debug("cpts overflow check at %lld.%09ld\n",
- (long long)ts.tv_sec, ts.tv_nsec);
+ dev_dbg(cpts->dev, "cpts overflow check at %lld\n", ns);
+ mutex_unlock(&cpts->ptp_clk_mutex);
return (long)delay;
}
@@ -321,18 +437,21 @@ static const struct ptp_clock_info cpts_info = {
.pps = 0,
.adjfreq = cpts_ptp_adjfreq,
.adjtime = cpts_ptp_adjtime,
- .gettime64 = cpts_ptp_gettime,
+ .gettimex64 = cpts_ptp_gettimeex,
.settime64 = cpts_ptp_settime,
.enable = cpts_ptp_enable,
.do_aux_work = cpts_overflow_check,
};
-static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
- u16 ts_seqid, u8 ts_msgtype)
+static int cpts_skb_get_mtype_seqid(struct sk_buff *skb, u32 *mtype_seqid)
{
- u16 *seqid;
- unsigned int offset = 0;
+ unsigned int ptp_class = ptp_classify_raw(skb);
u8 *msgtype, *data = skb->data;
+ unsigned int offset = 0;
+ u16 *seqid;
+
+ if (ptp_class == PTP_CLASS_NONE)
+ return 0;
if (ptp_class & PTP_CLASS_VLAN)
offset += VLAN_HLEN;
@@ -360,25 +479,23 @@ static int cpts_match(struct sk_buff *skb, unsigned int ptp_class,
msgtype = data + offset;
seqid = (u16 *)(data + offset + OFF_PTP_SEQUENCE_ID);
+ *mtype_seqid = (*msgtype & MESSAGE_TYPE_MASK) << MESSAGE_TYPE_SHIFT;
+ *mtype_seqid |= (ntohs(*seqid) & SEQUENCE_ID_MASK) << SEQUENCE_ID_SHIFT;
- return (ts_msgtype == (*msgtype & 0xf) && ts_seqid == ntohs(*seqid));
+ return 1;
}
-static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type)
+static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb,
+ int ev_type, u32 skb_mtype_seqid)
{
- u64 ns = 0;
- struct cpts_event *event;
struct list_head *this, *next;
- unsigned int class = ptp_classify_raw(skb);
+ struct cpts_event *event;
unsigned long flags;
- u16 seqid;
- u8 mtype;
-
- if (class == PTP_CLASS_NONE)
- return 0;
+ u32 mtype_seqid;
+ u64 ns = 0;
- spin_lock_irqsave(&cpts->lock, flags);
cpts_fifo_read(cpts, -1);
+ spin_lock_irqsave(&cpts->lock, flags);
list_for_each_safe(this, next, &cpts->events) {
event = list_entry(this, struct cpts_event, list);
if (event_expired(event)) {
@@ -386,29 +503,19 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type)
list_add(&event->list, &cpts->pool);
continue;
}
- mtype = (event->high >> MESSAGE_TYPE_SHIFT) & MESSAGE_TYPE_MASK;
- seqid = (event->high >> SEQUENCE_ID_SHIFT) & SEQUENCE_ID_MASK;
- if (ev_type == event_type(event) &&
- cpts_match(skb, class, seqid, mtype)) {
- ns = timecounter_cyc2time(&cpts->tc, event->low);
+
+ mtype_seqid = event->high &
+ ((MESSAGE_TYPE_MASK << MESSAGE_TYPE_SHIFT) |
+ (SEQUENCE_ID_MASK << SEQUENCE_ID_SHIFT) |
+ (EVENT_TYPE_MASK << EVENT_TYPE_SHIFT));
+
+ if (mtype_seqid == skb_mtype_seqid) {
+ ns = event->timestamp;
list_del_init(&event->list);
list_add(&event->list, &cpts->pool);
break;
}
}
-
- if (ev_type == CPTS_EV_TX && !ns) {
- struct cpts_skb_cb_data *skb_cb =
- (struct cpts_skb_cb_data *)skb->cb;
- /* Not found, add frame to queue for processing later.
- * The periodic FIFO check will handle this.
- */
- skb_get(skb);
- /* get the timestamp for timeouts */
- skb_cb->tmo = jiffies + msecs_to_jiffies(100);
- __skb_queue_tail(&cpts->txq, skb);
- ptp_schedule_worker(cpts->clock, 0);
- }
spin_unlock_irqrestore(&cpts->lock, flags);
return ns;
@@ -416,10 +523,21 @@ static u64 cpts_find_ts(struct cpts *cpts, struct sk_buff *skb, int ev_type)
void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb)
{
- u64 ns;
+ struct cpts_skb_cb_data *skb_cb = (struct cpts_skb_cb_data *)skb->cb;
struct skb_shared_hwtstamps *ssh;
+ int ret;
+ u64 ns;
- ns = cpts_find_ts(cpts, skb, CPTS_EV_RX);
+ ret = cpts_skb_get_mtype_seqid(skb, &skb_cb->skb_mtype_seqid);
+ if (!ret)
+ return;
+
+ skb_cb->skb_mtype_seqid |= (CPTS_EV_RX << EVENT_TYPE_SHIFT);
+
+ dev_dbg(cpts->dev, "%s mtype seqid %08x\n",
+ __func__, skb_cb->skb_mtype_seqid);
+
+ ns = cpts_find_ts(cpts, skb, CPTS_EV_RX, skb_cb->skb_mtype_seqid);
if (!ns)
return;
ssh = skb_hwtstamps(skb);
@@ -430,17 +548,27 @@ EXPORT_SYMBOL_GPL(cpts_rx_timestamp);
void cpts_tx_timestamp(struct cpts *cpts, struct sk_buff *skb)
{
- u64 ns;
- struct skb_shared_hwtstamps ssh;
+ struct cpts_skb_cb_data *skb_cb = (struct cpts_skb_cb_data *)skb->cb;
+ int ret;
if (!(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS))
return;
- ns = cpts_find_ts(cpts, skb, CPTS_EV_TX);
- if (!ns)
+
+ ret = cpts_skb_get_mtype_seqid(skb, &skb_cb->skb_mtype_seqid);
+ if (!ret)
return;
- memset(&ssh, 0, sizeof(ssh));
- ssh.hwtstamp = ns_to_ktime(ns);
- skb_tstamp_tx(skb, &ssh);
+
+ skb_cb->skb_mtype_seqid |= (CPTS_EV_TX << EVENT_TYPE_SHIFT);
+
+ dev_dbg(cpts->dev, "%s mtype seqid %08x\n",
+ __func__, skb_cb->skb_mtype_seqid);
+
+ /* Always defer TX TS processing to PTP worker */
+ skb_get(skb);
+ /* get the timestamp for timeouts */
+ skb_cb->tmo = jiffies + msecs_to_jiffies(CPTS_SKB_RX_TX_TMO);
+ skb_queue_tail(&cpts->txq, skb);
+ ptp_schedule_worker(cpts->clock, 0);
}
EXPORT_SYMBOL_GPL(cpts_tx_timestamp);
@@ -632,7 +760,7 @@ of_error:
}
struct cpts *cpts_create(struct device *dev, void __iomem *regs,
- struct device_node *node)
+ struct device_node *node, u32 n_ext_ts)
{
struct cpts *cpts;
int ret;
@@ -643,7 +771,10 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs,
cpts->dev = dev;
cpts->reg = (struct cpsw_cpts __iomem *)regs;
+ cpts->irq_poll = true;
spin_lock_init(&cpts->lock);
+ mutex_init(&cpts->ptp_clk_mutex);
+ init_completion(&cpts->ts_push_complete);
ret = cpts_of_parse(cpts, node);
if (ret)
@@ -668,6 +799,9 @@ struct cpts *cpts_create(struct device *dev, void __iomem *regs,
cpts->cc.mask = CLOCKSOURCE_MASK(32);
cpts->info = cpts_info;
+ if (n_ext_ts)
+ cpts->info.n_ext_ts = n_ext_ts;
+
cpts_calc_mult_shift(cpts);
/* save cc.mult original value as it can be modified
* by cpts_ptp_adjfreq().
diff --git a/drivers/net/ethernet/ti/cpts.h b/drivers/net/ethernet/ti/cpts.h
index bb997c11ee15..07222f651d2e 100644
--- a/drivers/net/ethernet/ti/cpts.h
+++ b/drivers/net/ethernet/ti/cpts.h
@@ -94,6 +94,7 @@ struct cpts_event {
unsigned long tmo;
u32 high;
u32 low;
+ u64 timestamp;
};
struct cpts {
@@ -103,7 +104,7 @@ struct cpts {
int rx_enable;
struct ptp_clock_info info;
struct ptp_clock *clock;
- spinlock_t lock; /* protects time registers */
+ spinlock_t lock; /* protects fifo/events */
u32 cc_mult; /* for the nominal frequency */
struct cyclecounter cc;
struct timecounter tc;
@@ -114,6 +115,12 @@ struct cpts {
struct cpts_event pool_data[CPTS_MAX_EVENTS];
unsigned long ov_check_period;
struct sk_buff_head txq;
+ u64 cur_timestamp;
+ u32 mult_new;
+ struct mutex ptp_clk_mutex; /* sync PTP interface and worker */
+ bool irq_poll;
+ struct completion ts_push_complete;
+ u32 hw_ts_enable;
};
void cpts_rx_timestamp(struct cpts *cpts, struct sk_buff *skb);
@@ -121,8 +128,9 @@ void cpts_tx_timestamp(struct cpts *cpts, struct sk_buff *skb);
int cpts_register(struct cpts *cpts);
void cpts_unregister(struct cpts *cpts);
struct cpts *cpts_create(struct device *dev, void __iomem *regs,
- struct device_node *node);
+ struct device_node *node, u32 n_ext_ts);
void cpts_release(struct cpts *cpts);
+void cpts_misc_interrupt(struct cpts *cpts);
static inline bool cpts_can_timestamp(struct cpts *cpts, struct sk_buff *skb)
{
@@ -134,6 +142,11 @@ static inline bool cpts_can_timestamp(struct cpts *cpts, struct sk_buff *skb)
return true;
}
+static inline void cpts_set_irqpoll(struct cpts *cpts, bool en)
+{
+ cpts->irq_poll = en;
+}
+
#else
struct cpts;
@@ -146,7 +159,7 @@ static inline void cpts_tx_timestamp(struct cpts *cpts, struct sk_buff *skb)
static inline
struct cpts *cpts_create(struct device *dev, void __iomem *regs,
- struct device_node *node)
+ struct device_node *node, u32 n_ext_ts)
{
return NULL;
}
@@ -169,6 +182,14 @@ static inline bool cpts_can_timestamp(struct cpts *cpts, struct sk_buff *skb)
{
return false;
}
+
+static inline void cpts_misc_interrupt(struct cpts *cpts)
+{
+}
+
+static inline void cpts_set_irqpoll(struct cpts *cpts, bool en)
+{
+}
#endif
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index 38b7f6d35759..702fdc393da0 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -397,6 +397,8 @@ static int davinci_mdio_probe(struct platform_device *pdev)
data->dev = dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
data->regs = devm_ioremap(dev, res->start, resource_size(res));
if (!data->regs)
return -ENOMEM;
diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
index ad7cfc1316ce..38cc12f9f133 100644
--- a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
+++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c
@@ -64,8 +64,8 @@ k3_cppi_desc_pool_create_name(struct device *dev, size_t size,
return ERR_PTR(-ENOMEM);
pool->gen_pool = gen_pool_create(ilog2(pool->desc_size), -1);
- if (IS_ERR(pool->gen_pool)) {
- ret = PTR_ERR(pool->gen_pool);
+ if (!pool->gen_pool) {
+ ret = -ENOMEM;
dev_err(pool->dev, "pool create failed %d\n", ret);
kfree_const(pool_name);
goto gen_pool_create_fail;
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index fb36115e9c51..28093923a7fb 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -3704,9 +3704,9 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
ale_params.nu_switch_ale = true;
}
gbe_dev->ale = cpsw_ale_create(&ale_params);
- if (!gbe_dev->ale) {
+ if (IS_ERR(gbe_dev->ale)) {
dev_err(gbe_dev->dev, "error initializing ale engine\n");
- ret = -ENODEV;
+ ret = PTR_ERR(gbe_dev->ale);
goto free_sec_ports;
} else {
dev_dbg(gbe_dev->dev, "Created a gbe ale engine\n");
@@ -3716,7 +3716,8 @@ static int gbe_probe(struct netcp_device *netcp_device, struct device *dev,
if (!cpts_node)
cpts_node = of_node_get(node);
- gbe_dev->cpts = cpts_create(gbe_dev->dev, gbe_dev->cpts_reg, cpts_node);
+ gbe_dev->cpts = cpts_create(gbe_dev->dev, gbe_dev->cpts_reg,
+ cpts_node, 0);
of_node_put(cpts_node);
if (IS_ENABLED(CONFIG_TI_CPTS) && IS_ERR(gbe_dev->cpts)) {
ret = PTR_ERR(gbe_dev->cpts);
diff --git a/drivers/net/ethernet/ti/tlan.c b/drivers/net/ethernet/ti/tlan.c
index ad465202980a..857709828058 100644
--- a/drivers/net/ethernet/ti/tlan.c
+++ b/drivers/net/ethernet/ti/tlan.c
@@ -70,7 +70,7 @@ MODULE_DESCRIPTION("Driver for TI ThunderLAN based ethernet PCI adapters");
MODULE_LICENSE("GPL");
/* Turn on debugging.
- * See Documentation/networking/device_drivers/ti/tlan.txt for details
+ * See Documentation/networking/device_drivers/ti/tlan.rst for details
*/
static int debug;
module_param(debug, int, 0);
diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_net.c b/drivers/net/ethernet/toshiba/ps3_gelic_net.c
index 070dd6fa9401..310e6839c6e5 100644
--- a/drivers/net/ethernet/toshiba/ps3_gelic_net.c
+++ b/drivers/net/ethernet/toshiba/ps3_gelic_net.c
@@ -1150,7 +1150,7 @@ static irqreturn_t gelic_card_interrupt(int irq, void *ptr)
* gelic_net_poll_controller - artificial interrupt for netconsole etc.
* @netdev: interface device structure
*
- * see Documentation/networking/netconsole.txt
+ * see Documentation/networking/netconsole.rst
*/
void gelic_net_poll_controller(struct net_device *netdev)
{
diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c
index 6576271642c1..3902b3aeb0c2 100644
--- a/drivers/net/ethernet/toshiba/spider_net.c
+++ b/drivers/net/ethernet/toshiba/spider_net.c
@@ -1615,7 +1615,7 @@ spider_net_interrupt(int irq, void *ptr)
* spider_net_poll_controller - artificial interrupt for netconsole etc.
* @netdev: interface device structure
*
- * see Documentation/networking/netconsole.txt
+ * see Documentation/networking/netconsole.rst
*/
static void
spider_net_poll_controller(struct net_device *netdev)
diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c
index b50c3ec3495b..6bcda20ed7e7 100644
--- a/drivers/net/ethernet/toshiba/tc35815.c
+++ b/drivers/net/ethernet/toshiba/tc35815.c
@@ -643,7 +643,7 @@ static int tc_mii_probe(struct net_device *dev)
linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, mask);
linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, mask);
}
- linkmode_and(phydev->supported, phydev->supported, mask);
+ linkmode_andnot(phydev->supported, phydev->supported, mask);
linkmode_copy(phydev->advertising, phydev->supported);
lp->link = 0;
diff --git a/drivers/net/ethernet/via/Kconfig b/drivers/net/ethernet/via/Kconfig
index a962097b58c6..6cff5f7d57c4 100644
--- a/drivers/net/ethernet/via/Kconfig
+++ b/drivers/net/ethernet/via/Kconfig
@@ -19,6 +19,7 @@ if NET_VENDOR_VIA
config VIA_RHINE
tristate "VIA Rhine support"
depends on PCI || (OF_IRQ && GENERIC_PCI_IOMAP)
+ depends on PCI || ARCH_VT8500 || COMPILE_TEST
depends on HAS_DMA
select CRC32
select MII
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 3e313e71ae36..929244064abd 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1410,9 +1410,9 @@ static int temac_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
lp->regs = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- if (IS_ERR(lp->regs)) {
+ if (!lp->regs) {
dev_err(&pdev->dev, "could not map TEMAC registers\n");
- return PTR_ERR(lp->regs);
+ return -ENOMEM;
}
/* Select register access functions with the specified
@@ -1505,10 +1505,10 @@ static int temac_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
lp->sdma_regs = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- if (IS_ERR(lp->sdma_regs)) {
+ if (!lp->sdma_regs) {
dev_err(&pdev->dev,
"could not map DMA registers\n");
- return PTR_ERR(lp->sdma_regs);
+ return -ENOMEM;
}
if (pdata->dma_little_endian) {
lp->dma_in = temac_dma_in32_le;
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 269596c15133..2e5202923510 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1387,6 +1387,8 @@ static int ixp4xx_eth_probe(struct platform_device *pdev)
return -ENODEV;
regs_phys = res->start;
port->regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(port->regs))
+ return PTR_ERR(port->regs);
switch (port->id) {
case IXP4XX_ETH_NPEA:
diff --git a/drivers/net/fddi/Kconfig b/drivers/net/fddi/Kconfig
index 3b412a56f2cb..da4f58eed08f 100644
--- a/drivers/net/fddi/Kconfig
+++ b/drivers/net/fddi/Kconfig
@@ -77,7 +77,7 @@ config SKFP
- Netelligent 100 FDDI SAS UTP
- Netelligent 100 FDDI SAS Fibre MIC
- Read <file:Documentation/networking/skfp.txt> for information about
+ Read <file:Documentation/networking/skfp.rst> for information about
the driver.
Questions concerning this driver can be addressed to:
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 09f279c0182b..6b461be1820b 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1207,7 +1207,7 @@ static int geneve_validate(struct nlattr *tb[], struct nlattr *data[],
enum ifla_geneve_df df = nla_get_u8(data[IFLA_GENEVE_DF]);
if (df < 0 || df > GENEVE_DF_MAX) {
- NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_GENEVE_DF],
+ NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_DF],
"Invalid DF attribute");
return -EINVAL;
}
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index 672cd2caf2fb..21640a035d7d 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -1169,11 +1169,11 @@ out_unlock:
static struct genl_family gtp_genl_family;
static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq,
- u32 type, struct pdp_ctx *pctx)
+ int flags, u32 type, struct pdp_ctx *pctx)
{
void *genlh;
- genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, 0,
+ genlh = genlmsg_put(skb, snd_portid, snd_seq, &gtp_genl_family, flags,
type);
if (genlh == NULL)
goto nlmsg_failure;
@@ -1227,8 +1227,8 @@ static int gtp_genl_get_pdp(struct sk_buff *skb, struct genl_info *info)
goto err_unlock;
}
- err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid,
- info->snd_seq, info->nlhdr->nlmsg_type, pctx);
+ err = gtp_genl_fill_info(skb2, NETLINK_CB(skb).portid, info->snd_seq,
+ 0, info->nlhdr->nlmsg_type, pctx);
if (err < 0)
goto err_unlock_free;
@@ -1271,6 +1271,7 @@ static int gtp_genl_dump_pdp(struct sk_buff *skb,
gtp_genl_fill_info(skb,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
+ NLM_F_MULTI,
cb->nlh->nlmsg_type, pctx)) {
cb->args[0] = i;
cb->args[1] = j;
diff --git a/drivers/net/hamradio/Kconfig b/drivers/net/hamradio/Kconfig
index 8e05b5c31a77..f4500f04147d 100644
--- a/drivers/net/hamradio/Kconfig
+++ b/drivers/net/hamradio/Kconfig
@@ -30,7 +30,7 @@ config 6PACK
Note that this driver is still experimental and might cause
problems. For details about the features and the usage of the
- driver, read <file:Documentation/networking/6pack.txt>.
+ driver, read <file:Documentation/networking/6pack.rst>.
To compile this driver as a module, choose M here: the module
will be called 6pack.
@@ -84,7 +84,7 @@ config SCC
---help---
These cards are used to connect your Linux box to an amateur radio
in order to communicate with other computers. If you want to use
- this, read <file:Documentation/networking/z8530drv.txt> and the
+ this, read <file:Documentation/networking/z8530drv.rst> and the
AX25-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. Also make sure to say Y
to "Amateur Radio AX.25 Level 2" support.
@@ -98,7 +98,7 @@ config SCC_DELAY
help
Say Y here if you experience problems with the SCC driver not
working properly; please read
- <file:Documentation/networking/z8530drv.txt> for details.
+ <file:Documentation/networking/z8530drv.rst> for details.
If unsure, say N.
@@ -127,7 +127,7 @@ config BAYCOM_SER_FDX
your serial interface chip. To configure the driver, use the sethdlc
utility available in the standard ax25 utilities package. For
information on the modems, see <http://www.baycom.de/> and
- <file:Documentation/networking/baycom.txt>.
+ <file:Documentation/networking/baycom.rst>.
To compile this driver as a module, choose M here: the module
will be called baycom_ser_fdx. This is recommended.
@@ -145,7 +145,7 @@ config BAYCOM_SER_HDX
the driver, use the sethdlc utility available in the standard ax25
utilities package. For information on the modems, see
<http://www.baycom.de/> and
- <file:Documentation/networking/baycom.txt>.
+ <file:Documentation/networking/baycom.rst>.
To compile this driver as a module, choose M here: the module
will be called baycom_ser_hdx. This is recommended.
@@ -160,7 +160,7 @@ config BAYCOM_PAR
par96 designs. To configure the driver, use the sethdlc utility
available in the standard ax25 utilities package. For information on
the modems, see <http://www.baycom.de/> and the file
- <file:Documentation/networking/baycom.txt>.
+ <file:Documentation/networking/baycom.rst>.
To compile this driver as a module, choose M here: the module
will be called baycom_par. This is recommended.
@@ -175,7 +175,7 @@ config BAYCOM_EPP
designs. To configure the driver, use the sethdlc utility available
in the standard ax25 utilities package. For information on the
modems, see <http://www.baycom.de/> and the file
- <file:Documentation/networking/baycom.txt>.
+ <file:Documentation/networking/baycom.rst>.
To compile this driver as a module, choose M here: the module
will be called baycom_epp. This is recommended.
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index fbea6f232819..60dcaf2a04a9 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -107,6 +107,25 @@ struct bpqdev {
static LIST_HEAD(bpq_devices);
+/*
+ * bpqether network devices are paired with ethernet devices below them, so
+ * form a special "super class" of normal ethernet devices; split their locks
+ * off into a separate class since they always nest.
+ */
+static struct lock_class_key bpq_netdev_xmit_lock_key;
+
+static void bpq_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &bpq_netdev_xmit_lock_key);
+}
+
+static void bpq_set_lockdep_class(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, bpq_set_lockdep_class_one, NULL);
+}
+
/* ------------------------------------------------------------------------ */
@@ -127,7 +146,8 @@ static inline struct net_device *bpq_get_ax25_dev(struct net_device *dev)
{
struct bpqdev *bpq;
- list_for_each_entry_rcu(bpq, &bpq_devices, bpq_list) {
+ list_for_each_entry_rcu(bpq, &bpq_devices, bpq_list,
+ lockdep_rtnl_is_held()) {
if (bpq->ethdev == dev)
return bpq->axdev;
}
@@ -477,6 +497,7 @@ static int bpq_new_device(struct net_device *edev)
err = register_netdevice(ndev);
if (err)
goto error;
+ bpq_set_lockdep_class(ndev);
/* List protected by RTNL */
list_add_rcu(&bpq->bpq_list, &bpq_devices);
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 6c03932d8a6b..33fdd55c6122 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -7,7 +7,7 @@
* ------------------
*
* You can find a subset of the documentation in
- * Documentation/networking/z8530drv.txt.
+ * Documentation/networking/z8530drv.rst.
*/
/*
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index ca68aa1df801..41f5cf0bb997 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -636,9 +636,12 @@ void netvsc_device_remove(struct hv_device *device)
RCU_INIT_POINTER(net_device_ctx->nvdev, NULL);
- /* And disassociate NAPI context from device */
- for (i = 0; i < net_device->num_chn; i++)
+ /* Disable NAPI and disassociate its context from the device. */
+ for (i = 0; i < net_device->num_chn; i++) {
+ /* See also vmbus_reset_channel_cb(). */
+ napi_disable(&net_device->chan_table[i].napi);
netif_napi_del(&net_device->chan_table[i].napi);
+ }
/*
* At this point, no one should be accessing net_device
diff --git a/drivers/net/hyperv/netvsc_bpf.c b/drivers/net/hyperv/netvsc_bpf.c
index b86611041db6..8e4141552423 100644
--- a/drivers/net/hyperv/netvsc_bpf.c
+++ b/drivers/net/hyperv/netvsc_bpf.c
@@ -49,7 +49,7 @@ u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan,
xdp_set_data_meta_invalid(xdp);
xdp->data_end = xdp->data + len;
xdp->rxq = &nvchan->xdp_rxq;
- xdp->handle = 0;
+ xdp->frame_sz = PAGE_SIZE;
memcpy(xdp->data, data, len);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index d8e86bdbfba1..6267f706e8ee 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -707,7 +707,8 @@ no_memory:
goto drop;
}
-static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t netvsc_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
return netvsc_xmit(skb, ndev, false);
}
@@ -794,7 +795,7 @@ static struct sk_buff *netvsc_alloc_recv_skb(struct net_device *net,
if (xbuf) {
unsigned int hdroom = xdp->data - xdp->data_hard_start;
unsigned int xlen = xdp->data_end - xdp->data;
- unsigned int frag_size = netvsc_xdp_fraglen(hdroom + xlen);
+ unsigned int frag_size = xdp->frame_sz;
skb = build_skb(xbuf, frag_size);
@@ -2456,6 +2457,8 @@ static int netvsc_probe(struct hv_device *dev,
NETIF_F_HW_VLAN_CTAG_RX;
net->vlan_features = net->features;
+ netdev_lockdep_set_classes(net);
+
/* MTU range: 68 - 1500 or 65521 */
net->min_mtu = NETVSC_MTU_MIN;
if (nvdev->nvsp_version >= NVSP_PROTOCOL_VERSION_2)
diff --git a/drivers/net/ipa/gsi.c b/drivers/net/ipa/gsi.c
index 845478a19a4f..55226b264e3c 100644
--- a/drivers/net/ipa/gsi.c
+++ b/drivers/net/ipa/gsi.c
@@ -238,11 +238,6 @@ static void gsi_irq_ieob_enable(struct gsi *gsi, u32 evt_ring_id)
iowrite32(val, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_MSK_OFFSET);
}
-static void gsi_isr_ieob_clear(struct gsi *gsi, u32 mask)
-{
- iowrite32(mask, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_CLR_OFFSET);
-}
-
static void gsi_irq_ieob_disable(struct gsi *gsi, u32 evt_ring_id)
{
u32 val;
@@ -415,13 +410,14 @@ static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
evt_ring->state);
}
-/* Return the hardware's notion of the current state of a channel */
-static enum gsi_channel_state
-gsi_channel_state(struct gsi *gsi, u32 channel_id)
+/* Fetch the current state of a channel from hardware */
+static enum gsi_channel_state gsi_channel_state(struct gsi_channel *channel)
{
+ u32 channel_id = gsi_channel_id(channel);
+ void *virt = channel->gsi->virt;
u32 val;
- val = ioread32(gsi->virt + GSI_CH_C_CNTXT_0_OFFSET(channel_id));
+ val = ioread32(virt + GSI_CH_C_CNTXT_0_OFFSET(channel_id));
return u32_get_bits(val, CHSTATE_FMASK);
}
@@ -432,16 +428,18 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
{
struct completion *completion = &channel->completion;
u32 channel_id = gsi_channel_id(channel);
+ struct gsi *gsi = channel->gsi;
u32 val;
val = u32_encode_bits(channel_id, CH_CHID_FMASK);
val |= u32_encode_bits(opcode, CH_OPCODE_FMASK);
- if (gsi_command(channel->gsi, GSI_CH_CMD_OFFSET, val, completion))
+ if (gsi_command(gsi, GSI_CH_CMD_OFFSET, val, completion))
return 0; /* Success! */
- dev_err(channel->gsi->dev, "GSI command %u to channel %u timed out "
- "(state is %u)\n", opcode, channel_id, channel->state);
+ dev_err(gsi->dev,
+ "GSI command %u to channel %u timed out (state is %u)\n",
+ opcode, channel_id, gsi_channel_state(channel));
return -ETIMEDOUT;
}
@@ -450,18 +448,21 @@ gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
+ enum gsi_channel_state state;
int ret;
/* Get initial channel state */
- channel->state = gsi_channel_state(gsi, channel_id);
-
- if (channel->state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
+ state = gsi_channel_state(channel);
+ if (state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
return -EINVAL;
ret = gsi_channel_command(channel, GSI_CH_ALLOCATE);
- if (!ret && channel->state != GSI_CHANNEL_STATE_ALLOCATED) {
+
+ /* Channel state will normally have been updated */
+ state = gsi_channel_state(channel);
+ if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED) {
dev_err(gsi->dev, "bad channel state (%u) after alloc\n",
- channel->state);
+ state);
ret = -EIO;
}
@@ -471,18 +472,21 @@ static int gsi_channel_alloc_command(struct gsi *gsi, u32 channel_id)
/* Start an ALLOCATED channel */
static int gsi_channel_start_command(struct gsi_channel *channel)
{
- enum gsi_channel_state state = channel->state;
+ enum gsi_channel_state state;
int ret;
+ state = gsi_channel_state(channel);
if (state != GSI_CHANNEL_STATE_ALLOCATED &&
state != GSI_CHANNEL_STATE_STOPPED)
return -EINVAL;
ret = gsi_channel_command(channel, GSI_CH_START);
- if (!ret && channel->state != GSI_CHANNEL_STATE_STARTED) {
+
+ /* Channel state will normally have been updated */
+ state = gsi_channel_state(channel);
+ if (!ret && state != GSI_CHANNEL_STATE_STARTED) {
dev_err(channel->gsi->dev,
- "bad channel state (%u) after start\n",
- channel->state);
+ "bad channel state (%u) after start\n", state);
ret = -EIO;
}
@@ -492,23 +496,27 @@ static int gsi_channel_start_command(struct gsi_channel *channel)
/* Stop a GSI channel in STARTED state */
static int gsi_channel_stop_command(struct gsi_channel *channel)
{
- enum gsi_channel_state state = channel->state;
+ enum gsi_channel_state state;
int ret;
+ state = gsi_channel_state(channel);
if (state != GSI_CHANNEL_STATE_STARTED &&
state != GSI_CHANNEL_STATE_STOP_IN_PROC)
return -EINVAL;
ret = gsi_channel_command(channel, GSI_CH_STOP);
- if (ret || channel->state == GSI_CHANNEL_STATE_STOPPED)
+
+ /* Channel state will normally have been updated */
+ state = gsi_channel_state(channel);
+ if (ret || state == GSI_CHANNEL_STATE_STOPPED)
return ret;
/* We may have to try again if stop is in progress */
- if (channel->state == GSI_CHANNEL_STATE_STOP_IN_PROC)
+ if (state == GSI_CHANNEL_STATE_STOP_IN_PROC)
return -EAGAIN;
- dev_err(channel->gsi->dev, "bad channel state (%u) after stop\n",
- channel->state);
+ dev_err(channel->gsi->dev,
+ "bad channel state (%u) after stop\n", state);
return -EIO;
}
@@ -516,41 +524,49 @@ static int gsi_channel_stop_command(struct gsi_channel *channel)
/* Reset a GSI channel in ALLOCATED or ERROR state. */
static void gsi_channel_reset_command(struct gsi_channel *channel)
{
+ enum gsi_channel_state state;
int ret;
msleep(1); /* A short delay is required before a RESET command */
- if (channel->state != GSI_CHANNEL_STATE_STOPPED &&
- channel->state != GSI_CHANNEL_STATE_ERROR) {
+ state = gsi_channel_state(channel);
+ if (state != GSI_CHANNEL_STATE_STOPPED &&
+ state != GSI_CHANNEL_STATE_ERROR) {
dev_err(channel->gsi->dev,
- "bad channel state (%u) before reset\n",
- channel->state);
+ "bad channel state (%u) before reset\n", state);
return;
}
ret = gsi_channel_command(channel, GSI_CH_RESET);
- if (!ret && channel->state != GSI_CHANNEL_STATE_ALLOCATED)
+
+ /* Channel state will normally have been updated */
+ state = gsi_channel_state(channel);
+ if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED)
dev_err(channel->gsi->dev,
- "bad channel state (%u) after reset\n",
- channel->state);
+ "bad channel state (%u) after reset\n", state);
}
/* Deallocate an ALLOCATED GSI channel */
static void gsi_channel_de_alloc_command(struct gsi *gsi, u32 channel_id)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
+ enum gsi_channel_state state;
int ret;
- if (channel->state != GSI_CHANNEL_STATE_ALLOCATED) {
- dev_err(gsi->dev, "bad channel state (%u) before dealloc\n",
- channel->state);
+ state = gsi_channel_state(channel);
+ if (state != GSI_CHANNEL_STATE_ALLOCATED) {
+ dev_err(gsi->dev,
+ "bad channel state (%u) before dealloc\n", state);
return;
}
ret = gsi_channel_command(channel, GSI_CH_DE_ALLOC);
- if (!ret && channel->state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
- dev_err(gsi->dev, "bad channel state (%u) after dealloc\n",
- channel->state);
+
+ /* Channel state will normally have been updated */
+ state = gsi_channel_state(channel);
+ if (!ret && state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
+ dev_err(gsi->dev,
+ "bad channel state (%u) after dealloc\n", state);
}
/* Ring an event ring doorbell, reporting the last entry processed by the AP.
@@ -756,7 +772,6 @@ static void gsi_channel_deprogram(struct gsi_channel *channel)
int gsi_channel_start(struct gsi *gsi, u32 channel_id)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
- u32 evt_ring_id = channel->evt_ring_id;
int ret;
mutex_lock(&gsi->mutex);
@@ -765,9 +780,6 @@ int gsi_channel_start(struct gsi *gsi, u32 channel_id)
mutex_unlock(&gsi->mutex);
- /* Clear the channel's event ring interrupt in case it's pending */
- gsi_isr_ieob_clear(gsi, BIT(evt_ring_id));
-
gsi_channel_thaw(channel);
return ret;
@@ -777,6 +789,7 @@ int gsi_channel_start(struct gsi *gsi, u32 channel_id)
int gsi_channel_stop(struct gsi *gsi, u32 channel_id)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
+ enum gsi_channel_state state;
u32 retries;
int ret;
@@ -786,7 +799,8 @@ int gsi_channel_stop(struct gsi *gsi, u32 channel_id)
* STOP command timed out. We won't stop a channel if stopping it
* was successful previously (so we still want the freeze above).
*/
- if (channel->state == GSI_CHANNEL_STATE_STOPPED)
+ state = gsi_channel_state(channel);
+ if (state == GSI_CHANNEL_STATE_STOPPED)
return 0;
/* RX channels might require a little time to enter STOPPED state */
@@ -811,18 +825,18 @@ int gsi_channel_stop(struct gsi *gsi, u32 channel_id)
}
/* Reset and reconfigure a channel (possibly leaving doorbell disabled) */
-void gsi_channel_reset(struct gsi *gsi, u32 channel_id, bool db_enable)
+void gsi_channel_reset(struct gsi *gsi, u32 channel_id, bool legacy)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
mutex_lock(&gsi->mutex);
- /* Due to a hardware quirk we need to reset RX channels twice. */
gsi_channel_reset_command(channel);
- if (!channel->toward_ipa)
+ /* Due to a hardware quirk we may need to reset RX channels twice. */
+ if (legacy && !channel->toward_ipa)
gsi_channel_reset_command(channel);
- gsi_channel_program(channel, db_enable);
+ gsi_channel_program(channel, legacy);
gsi_channel_trans_cancel_pending(channel);
mutex_unlock(&gsi->mutex);
@@ -940,7 +954,6 @@ static void gsi_isr_chan_ctrl(struct gsi *gsi)
channel_mask ^= BIT(channel_id);
channel = &gsi->channel[channel_id];
- channel->state = gsi_channel_state(gsi, channel_id);
complete(&channel->completion);
}
@@ -1041,6 +1054,7 @@ static void gsi_isr_gp_int1(struct gsi *gsi)
complete(&gsi->completion);
}
+
/* Inter-EE interrupt handler */
static void gsi_isr_glob_ee(struct gsi *gsi)
{
@@ -1070,7 +1084,7 @@ static void gsi_isr_ieob(struct gsi *gsi)
u32 event_mask;
event_mask = ioread32(gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_OFFSET);
- gsi_isr_ieob_clear(gsi, event_mask);
+ iowrite32(event_mask, gsi->virt + GSI_CNTXT_SRC_IEOB_IRQ_CLR_OFFSET);
while (event_mask) {
u32 evt_ring_id = __ffs(event_mask);
@@ -1344,7 +1358,7 @@ static void gsi_channel_update(struct gsi_channel *channel)
* gsi_channel_poll_one() - Return a single completed transaction on a channel
* @channel: Channel to be polled
*
- * @Return: Transaction pointer, or null if none are available
+ * @Return: Transaction pointer, or null if none are available
*
* This function returns the first entry on a channel's completed transaction
* list. If that list is empty, the hardware is consulted to determine
@@ -1391,6 +1405,7 @@ static int gsi_channel_poll(struct napi_struct *napi, int budget)
while (count < budget) {
struct gsi_trans *trans;
+ count++;
trans = gsi_channel_poll_one(channel);
if (!trans)
break;
@@ -1433,7 +1448,7 @@ static void gsi_evt_ring_teardown(struct gsi *gsi)
/* Setup function for a single channel */
static int gsi_channel_setup_one(struct gsi *gsi, u32 channel_id,
- bool db_enable)
+ bool legacy)
{
struct gsi_channel *channel = &gsi->channel[channel_id];
u32 evt_ring_id = channel->evt_ring_id;
@@ -1452,7 +1467,7 @@ static int gsi_channel_setup_one(struct gsi *gsi, u32 channel_id,
if (ret)
goto err_evt_ring_de_alloc;
- gsi_channel_program(channel, db_enable);
+ gsi_channel_program(channel, legacy);
if (channel->toward_ipa)
netif_tx_napi_add(&gsi->dummy_dev, &channel->napi,
@@ -1493,6 +1508,12 @@ static int gsi_generic_command(struct gsi *gsi, u32 channel_id,
struct completion *completion = &gsi->completion;
u32 val;
+ /* First zero the result code field */
+ val = ioread32(gsi->virt + GSI_CNTXT_SCRATCH_0_OFFSET);
+ val &= ~GENERIC_EE_RESULT_FMASK;
+ iowrite32(val, gsi->virt + GSI_CNTXT_SCRATCH_0_OFFSET);
+
+ /* Now issue the command */
val = u32_encode_bits(opcode, GENERIC_OPCODE_FMASK);
val |= u32_encode_bits(channel_id, GENERIC_CHID_FMASK);
val |= u32_encode_bits(GSI_EE_MODEM, GENERIC_EE_FMASK);
@@ -1523,7 +1544,7 @@ static void gsi_modem_channel_halt(struct gsi *gsi, u32 channel_id)
}
/* Setup function for channels */
-static int gsi_channel_setup(struct gsi *gsi, bool db_enable)
+static int gsi_channel_setup(struct gsi *gsi, bool legacy)
{
u32 channel_id = 0;
u32 mask;
@@ -1535,7 +1556,7 @@ static int gsi_channel_setup(struct gsi *gsi, bool db_enable)
mutex_lock(&gsi->mutex);
do {
- ret = gsi_channel_setup_one(gsi, channel_id, db_enable);
+ ret = gsi_channel_setup_one(gsi, channel_id, legacy);
if (ret)
goto err_unwind;
} while (++channel_id < gsi->channel_count);
@@ -1621,7 +1642,7 @@ static void gsi_channel_teardown(struct gsi *gsi)
}
/* Setup function for GSI. GSI firmware must be loaded and initialized */
-int gsi_setup(struct gsi *gsi, bool db_enable)
+int gsi_setup(struct gsi *gsi, bool legacy)
{
u32 val;
@@ -1664,7 +1685,7 @@ int gsi_setup(struct gsi *gsi, bool db_enable)
/* Writing 1 indicates IRQ interrupts; 0 would be MSI */
iowrite32(1, gsi->virt + GSI_CNTXT_INTSET_OFFSET);
- return gsi_channel_setup(gsi, db_enable);
+ return gsi_channel_setup(gsi, legacy);
}
/* Inverse of gsi_setup() */
@@ -1798,9 +1819,9 @@ static int gsi_channel_init_one(struct gsi *gsi,
/* Worst case we need an event for every outstanding TRE */
if (data->channel.tre_count > data->channel.event_count) {
- dev_warn(gsi->dev, "channel %u limited to %u TREs\n",
- data->channel_id, data->channel.tre_count);
tre_count = data->channel.event_count;
+ dev_warn(gsi->dev, "channel %u limited to %u TREs\n",
+ data->channel_id, tre_count);
} else {
tre_count = data->channel.tre_count;
}
diff --git a/drivers/net/ipa/gsi.h b/drivers/net/ipa/gsi.h
index 0698ff1ae7a6..90a02194e7ad 100644
--- a/drivers/net/ipa/gsi.h
+++ b/drivers/net/ipa/gsi.h
@@ -113,8 +113,7 @@ struct gsi_channel {
u16 tre_count;
u16 event_count;
- struct completion completion; /* signals channel state changes */
- enum gsi_channel_state state;
+ struct completion completion; /* signals channel command completion */
struct gsi_ring tre_ring;
u32 evt_ring_id;
@@ -166,14 +165,14 @@ struct gsi {
/**
* gsi_setup() - Set up the GSI subsystem
* @gsi: Address of GSI structure embedded in an IPA structure
- * @db_enable: Whether to use the GSI doorbell engine
+ * @legacy: Set up for legacy hardware
*
* @Return: 0 if successful, or a negative error code
*
* Performs initialization that must wait until the GSI hardware is
* ready (including firmware loaded).
*/
-int gsi_setup(struct gsi *gsi, bool db_enable);
+int gsi_setup(struct gsi *gsi, bool legacy);
/**
* gsi_teardown() - Tear down GSI subsystem
@@ -221,15 +220,15 @@ int gsi_channel_stop(struct gsi *gsi, u32 channel_id);
* gsi_channel_reset() - Reset an allocated GSI channel
* @gsi: GSI pointer
* @channel_id: Channel to be reset
- * @db_enable: Whether doorbell engine should be enabled
+ * @legacy: Legacy behavior
*
- * Reset a channel and reconfigure it. The @db_enable flag indicates
- * whether the doorbell engine will be enabled following reconfiguration.
+ * Reset a channel and reconfigure it. The @legacy flag indicates
+ * that some steps should be done differently for legacy hardware.
*
* GSI hardware relinquishes ownership of all pending receive buffer
* transactions and they will complete with their cancelled flag set.
*/
-void gsi_channel_reset(struct gsi *gsi, u32 channel_id, bool db_enable);
+void gsi_channel_reset(struct gsi *gsi, u32 channel_id, bool legacy);
int gsi_channel_suspend(struct gsi *gsi, u32 channel_id, bool stop);
int gsi_channel_resume(struct gsi *gsi, u32 channel_id, bool start);
diff --git a/drivers/net/ipa/gsi_reg.h b/drivers/net/ipa/gsi_reg.h
index 7613b9cc7cf6..acc9e744c67d 100644
--- a/drivers/net/ipa/gsi_reg.h
+++ b/drivers/net/ipa/gsi_reg.h
@@ -410,6 +410,8 @@
#define INTER_EE_RESULT_FMASK GENMASK(2, 0)
#define GENERIC_EE_RESULT_FMASK GENMASK(7, 5)
#define GENERIC_EE_SUCCESS_FVAL 1
+#define GENERIC_EE_INCORRECT_DIRECTION_FVAL 3
+#define GENERIC_EE_INCORRECT_CHANNEL_FVAL 5
#define GENERIC_EE_NO_RESOURCES_FVAL 7
#define USB_MAX_PACKET_FMASK GENMASK(15, 15) /* 0: HS; 1: SS */
#define MHI_BASE_CHANNEL_FMASK GENMASK(31, 24)
diff --git a/drivers/net/ipa/gsi_trans.c b/drivers/net/ipa/gsi_trans.c
index 2fd21d75367d..bdbfeed359db 100644
--- a/drivers/net/ipa/gsi_trans.c
+++ b/drivers/net/ipa/gsi_trans.c
@@ -399,13 +399,14 @@ void gsi_trans_cmd_add(struct gsi_trans *trans, void *buf, u32 size,
/* assert(which < trans->tre_count); */
/* Set the page information for the buffer. We also need to fill in
- * the DMA address for the buffer (something dma_map_sg() normally
- * does).
+ * the DMA address and length for the buffer (something dma_map_sg()
+ * normally does).
*/
sg = &trans->sgl[which];
sg_set_buf(sg, buf, size);
sg_dma_address(sg) = addr;
+ sg_dma_len(sg) = sg->length;
info = &trans->info[which];
info->opcode = opcode;
diff --git a/drivers/net/ipa/ipa.h b/drivers/net/ipa/ipa.h
index 23fb29889e5a..b10a85392952 100644
--- a/drivers/net/ipa/ipa.h
+++ b/drivers/net/ipa/ipa.h
@@ -47,6 +47,10 @@ struct ipa_interrupt;
* @mem_offset: Offset from @mem_virt used for access to IPA memory
* @mem_size: Total size (bytes) of memory at @mem_virt
* @mem: Array of IPA-local memory region descriptors
+ * @imem_iova: I/O virtual address of IPA region in IMEM
+ * @imem_size; Size of IMEM region
+ * @smem_iova: I/O virtual address of IPA region in SMEM
+ * @smem_size; Size of SMEM region
* @zero_addr: DMA address of preallocated zero-filled memory
* @zero_virt: Virtual address of preallocated zero-filled memory
* @zero_size: Size (bytes) of preallocated zero-filled memory
@@ -88,6 +92,12 @@ struct ipa {
u32 mem_size;
const struct ipa_mem *mem;
+ unsigned long imem_iova;
+ size_t imem_size;
+
+ unsigned long smem_iova;
+ size_t smem_size;
+
dma_addr_t zero_addr;
void *zero_virt;
size_t zero_size;
diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c
index 374491ea11cf..c5204fd58ac4 100644
--- a/drivers/net/ipa/ipa_clock.c
+++ b/drivers/net/ipa/ipa_clock.c
@@ -66,8 +66,8 @@ ipa_interconnect_init_one(struct device *dev, const char *name)
path = of_icc_get(dev, name);
if (IS_ERR(path))
- dev_err(dev, "error %ld getting memory interconnect\n",
- PTR_ERR(path));
+ dev_err(dev, "error %ld getting %s interconnect\n",
+ PTR_ERR(path), name);
return path;
}
diff --git a/drivers/net/ipa/ipa_cmd.c b/drivers/net/ipa/ipa_cmd.c
index d226b858742d..c9ab865e7290 100644
--- a/drivers/net/ipa/ipa_cmd.c
+++ b/drivers/net/ipa/ipa_cmd.c
@@ -103,28 +103,6 @@ struct ipa_cmd_ip_packet_init {
/* Field masks for ipa_cmd_ip_packet_init dest_endpoint field */
#define IPA_PACKET_INIT_DEST_ENDPOINT_FMASK GENMASK(4, 0)
-/* IPA_CMD_DMA_TASK_32B_ADDR */
-
-/* This opcode gets modified with a DMA operation count */
-
-#define DMA_TASK_32B_ADDR_OPCODE_COUNT_FMASK GENMASK(15, 8)
-
-struct ipa_cmd_hw_dma_task_32b_addr {
- __le16 flags;
- __le16 size;
- __le32 addr;
- __le16 packet_size;
- u8 reserved[6];
-};
-
-/* Field masks for ipa_cmd_hw_dma_task_32b_addr flags field */
-#define DMA_TASK_32B_ADDR_FLAGS_SW_RSVD_FMASK GENMASK(10, 0)
-#define DMA_TASK_32B_ADDR_FLAGS_CMPLT_FMASK GENMASK(11, 11)
-#define DMA_TASK_32B_ADDR_FLAGS_EOF_FMASK GENMASK(12, 12)
-#define DMA_TASK_32B_ADDR_FLAGS_FLSH_FMASK GENMASK(13, 13)
-#define DMA_TASK_32B_ADDR_FLAGS_LOCK_FMASK GENMASK(14, 14)
-#define DMA_TASK_32B_ADDR_FLAGS_UNLOCK_FMASK GENMASK(15, 15)
-
/* IPA_CMD_DMA_SHARED_MEM */
/* For IPA v4.0+, this opcode gets modified with pipeline clear options */
@@ -163,7 +141,6 @@ union ipa_cmd_payload {
struct ipa_cmd_hw_hdr_init_local hdr_init_local;
struct ipa_cmd_register_write register_write;
struct ipa_cmd_ip_packet_init ip_packet_init;
- struct ipa_cmd_hw_dma_task_32b_addr dma_task_32b_addr;
struct ipa_cmd_hw_dma_mem_mem dma_shared_mem;
struct ipa_cmd_ip_packet_tag_status ip_packet_tag_status;
};
@@ -508,42 +485,6 @@ static void ipa_cmd_ip_packet_init_add(struct gsi_trans *trans, u8 endpoint_id)
direction, opcode);
}
-/* Use a 32-bit DMA command to zero a block of memory */
-void ipa_cmd_dma_task_32b_addr_add(struct gsi_trans *trans, u16 size,
- dma_addr_t addr, bool toward_ipa)
-{
- struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
- enum ipa_cmd_opcode opcode = IPA_CMD_DMA_TASK_32B_ADDR;
- struct ipa_cmd_hw_dma_task_32b_addr *payload;
- union ipa_cmd_payload *cmd_payload;
- enum dma_data_direction direction;
- dma_addr_t payload_addr;
- u16 flags;
-
- /* assert(addr <= U32_MAX); */
- addr &= GENMASK_ULL(31, 0);
-
- /* The opcode encodes the number of DMA operations in the high byte */
- opcode |= u16_encode_bits(1, DMA_TASK_32B_ADDR_OPCODE_COUNT_FMASK);
-
- direction = toward_ipa ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
-
- /* complete: 0 = don't interrupt; eof: 0 = don't assert eot */
- flags = DMA_TASK_32B_ADDR_FLAGS_FLSH_FMASK;
- /* lock: 0 = don't lock endpoint; unlock: 0 = don't unlock */
-
- cmd_payload = ipa_cmd_payload_alloc(ipa, &payload_addr);
- payload = &cmd_payload->dma_task_32b_addr;
-
- payload->flags = cpu_to_le16(flags);
- payload->size = cpu_to_le16(size);
- payload->addr = cpu_to_le32((u32)addr);
- payload->packet_size = cpu_to_le16(size);
-
- gsi_trans_cmd_add(trans, payload, sizeof(*payload), payload_addr,
- direction, opcode);
-}
-
/* Use a DMA command to read or write a block of IPA-resident memory */
void ipa_cmd_dma_shared_mem_add(struct gsi_trans *trans, u32 offset, u16 size,
dma_addr_t addr, bool toward_ipa)
@@ -628,23 +569,15 @@ static void ipa_cmd_transfer_add(struct gsi_trans *trans, u16 size)
void ipa_cmd_tag_process_add(struct gsi_trans *trans)
{
- ipa_cmd_register_write_add(trans, 0, 0, 0, true);
-#if 1
- /* Reference these functions to avoid a compile error */
- (void)ipa_cmd_ip_packet_init_add;
- (void)ipa_cmd_ip_tag_status_add;
- (void) ipa_cmd_transfer_add;
-#else
struct ipa *ipa = container_of(trans->gsi, struct ipa, gsi);
- struct gsi_endpoint *endpoint;
+ struct ipa_endpoint *endpoint;
endpoint = ipa->name_map[IPA_ENDPOINT_AP_LAN_RX];
- ipa_cmd_ip_packet_init_add(trans, endpoint->endpoint_id);
+ ipa_cmd_register_write_add(trans, 0, 0, 0, true);
+ ipa_cmd_ip_packet_init_add(trans, endpoint->endpoint_id);
ipa_cmd_ip_tag_status_add(trans, 0xcba987654321);
-
ipa_cmd_transfer_add(trans, 4);
-#endif
}
/* Returns the number of commands required for the tag process */
diff --git a/drivers/net/ipa/ipa_cmd.h b/drivers/net/ipa/ipa_cmd.h
index 4917525b3a47..e440aa69c8b5 100644
--- a/drivers/net/ipa/ipa_cmd.h
+++ b/drivers/net/ipa/ipa_cmd.h
@@ -35,7 +35,6 @@ enum ipa_cmd_opcode {
IPA_CMD_HDR_INIT_LOCAL = 9,
IPA_CMD_REGISTER_WRITE = 12,
IPA_CMD_IP_PACKET_INIT = 16,
- IPA_CMD_DMA_TASK_32B_ADDR = 17,
IPA_CMD_DMA_SHARED_MEM = 19,
IPA_CMD_IP_PACKET_TAG_STATUS = 20,
};
@@ -148,16 +147,6 @@ void ipa_cmd_register_write_add(struct gsi_trans *trans, u32 offset, u32 value,
u32 mask, bool clear_full);
/**
- * ipa_cmd_dma_task_32b_addr_add() - Add a 32-bit DMA command to a transaction
- * @trans: GSi transaction
- * @size: Number of bytes to be memory to be transferred
- * @addr: DMA address of buffer to be read into or written from
- * @toward_ipa: true means write to IPA memory; false means read
- */
-void ipa_cmd_dma_task_32b_addr_add(struct gsi_trans *trans, u16 size,
- dma_addr_t addr, bool toward_ipa);
-
-/**
* ipa_cmd_dma_shared_mem_add() - Add a DMA memory command to a transaction
* @trans: GSI transaction
* @offset: Offset of IPA memory to be read or written
diff --git a/drivers/net/ipa/ipa_data-sc7180.c b/drivers/net/ipa/ipa_data-sc7180.c
index 042b5fc3c135..43faa35ae726 100644
--- a/drivers/net/ipa/ipa_data-sc7180.c
+++ b/drivers/net/ipa/ipa_data-sc7180.c
@@ -193,7 +193,7 @@ static const struct ipa_resource_data ipa_resource_data = {
};
/* IPA-resident memory region configuration for the SC7180 SoC. */
-static const struct ipa_mem ipa_mem_data[] = {
+static const struct ipa_mem ipa_mem_local_data[] = {
[IPA_MEM_UC_SHARED] = {
.offset = 0x0000,
.size = 0x0080,
@@ -296,12 +296,20 @@ static const struct ipa_mem ipa_mem_data[] = {
},
};
+static struct ipa_mem_data ipa_mem_data = {
+ .local_count = ARRAY_SIZE(ipa_mem_local_data),
+ .local = ipa_mem_local_data,
+ .imem_addr = 0x146a8000,
+ .imem_size = 0x00002000,
+ .smem_id = 497,
+ .smem_size = 0x00002000,
+};
+
/* Configuration data for the SC7180 SoC. */
const struct ipa_data ipa_data_sc7180 = {
.version = IPA_VERSION_4_2,
.endpoint_count = ARRAY_SIZE(ipa_gsi_endpoint_data),
.endpoint_data = ipa_gsi_endpoint_data,
.resource_data = &ipa_resource_data,
- .mem_count = ARRAY_SIZE(ipa_mem_data),
- .mem_data = ipa_mem_data,
+ .mem_data = &ipa_mem_data,
};
diff --git a/drivers/net/ipa/ipa_data-sdm845.c b/drivers/net/ipa/ipa_data-sdm845.c
index 0d9c36e1e806..52d4b84e0dac 100644
--- a/drivers/net/ipa/ipa_data-sdm845.c
+++ b/drivers/net/ipa/ipa_data-sdm845.c
@@ -74,7 +74,6 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
.tx = {
.status_endpoint =
IPA_ENDPOINT_MODEM_AP_RX,
- .delay = true,
},
},
},
@@ -235,7 +234,7 @@ static const struct ipa_resource_data ipa_resource_data = {
};
/* IPA-resident memory region configuration for the SDM845 SoC. */
-static const struct ipa_mem ipa_mem_data[] = {
+static const struct ipa_mem ipa_mem_local_data[] = {
[IPA_MEM_UC_SHARED] = {
.offset = 0x0000,
.size = 0x0080,
@@ -318,12 +317,20 @@ static const struct ipa_mem ipa_mem_data[] = {
},
};
+static struct ipa_mem_data ipa_mem_data = {
+ .local_count = ARRAY_SIZE(ipa_mem_local_data),
+ .local = ipa_mem_local_data,
+ .imem_addr = 0x146bd000,
+ .imem_size = 0x00002000,
+ .smem_id = 497,
+ .smem_size = 0x00002000,
+};
+
/* Configuration data for the SDM845 SoC. */
const struct ipa_data ipa_data_sdm845 = {
.version = IPA_VERSION_3_5_1,
.endpoint_count = ARRAY_SIZE(ipa_gsi_endpoint_data),
.endpoint_data = ipa_gsi_endpoint_data,
.resource_data = &ipa_resource_data,
- .mem_count = ARRAY_SIZE(ipa_mem_data),
- .mem_data = ipa_mem_data,
+ .mem_data = &ipa_mem_data,
};
diff --git a/drivers/net/ipa/ipa_data.h b/drivers/net/ipa/ipa_data.h
index 7110de2de817..7fc1058a5ca9 100644
--- a/drivers/net/ipa/ipa_data.h
+++ b/drivers/net/ipa/ipa_data.h
@@ -80,18 +80,12 @@ struct gsi_channel_data {
/**
* struct ipa_endpoint_tx_data - configuration data for TX endpoints
* @status_endpoint: endpoint to which status elements are sent
- * @delay: whether endpoint starts in delay mode
- *
- * Delay mode prevents a TX endpoint from transmitting anything, even if
- * commands have been presented to the hardware. Once the endpoint exits
- * delay mode, queued transfer commands are sent.
*
* The @status_endpoint is only valid if the endpoint's @status_enable
* flag is set.
*/
struct ipa_endpoint_tx_data {
enum ipa_endpoint_name status_endpoint;
- bool delay;
};
/**
@@ -245,15 +239,21 @@ struct ipa_resource_data {
};
/**
- * struct ipa_mem - IPA-local memory region description
- * @offset: offset in IPA memory space to base of the region
- * @size: size in bytes base of the region
- * @canary_count: number of 32-bit "canary" values that precede region
+ * struct ipa_mem - description of IPA memory regions
+ * @local_count: number of regions defined in the local[] array
+ * @local: array of IPA-local memory region descriptors
+ * @imem_addr: physical address of IPA region within IMEM
+ * @imem_size: size in bytes of IPA IMEM region
+ * @smem_id: item identifier for IPA region within SMEM memory
+ * @imem_size: size in bytes of the IPA SMEM region
*/
struct ipa_mem_data {
- u32 offset;
- u16 size;
- u16 canary_count;
+ u32 local_count;
+ const struct ipa_mem *local;
+ u32 imem_addr;
+ u32 imem_size;
+ u32 smem_id;
+ u32 smem_size;
};
/**
@@ -270,8 +270,7 @@ struct ipa_data {
u32 endpoint_count; /* # entries in endpoint_data[] */
const struct ipa_gsi_endpoint_data *endpoint_data;
const struct ipa_resource_data *resource_data;
- u32 mem_count; /* # entries in mem_data[] */
- const struct ipa_mem *mem_data;
+ const struct ipa_mem_data *mem_data;
};
extern const struct ipa_data ipa_data_sdm845;
diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
index 6de03be28784..66649a806dd1 100644
--- a/drivers/net/ipa/ipa_endpoint.c
+++ b/drivers/net/ipa/ipa_endpoint.c
@@ -32,14 +32,9 @@
/* The amount of RX buffer space consumed by standard skb overhead */
#define IPA_RX_BUFFER_OVERHEAD (PAGE_SIZE - SKB_MAX_ORDER(NET_SKB_PAD, 0))
-#define IPA_ENDPOINT_STOP_RX_RETRIES 10
-#define IPA_ENDPOINT_STOP_RX_SIZE 1 /* bytes */
-
#define IPA_ENDPOINT_RESET_AGGR_RETRY_MAX 3
#define IPA_AGGR_TIME_LIMIT_DEFAULT 1000 /* microseconds */
-#define ENDPOINT_STOP_DMA_TIMEOUT 15 /* milliseconds */
-
/** enum ipa_status_opcode - status element opcode hardware values */
enum ipa_status_opcode {
IPA_STATUS_OPCODE_PACKET = 0x01,
@@ -284,25 +279,52 @@ static struct gsi_trans *ipa_endpoint_trans_alloc(struct ipa_endpoint *endpoint,
/* suspend_delay represents suspend for RX, delay for TX endpoints.
* Note that suspend is not supported starting with IPA v4.0.
*/
-static int
+static bool
ipa_endpoint_init_ctrl(struct ipa_endpoint *endpoint, bool suspend_delay)
{
u32 offset = IPA_REG_ENDP_INIT_CTRL_N_OFFSET(endpoint->endpoint_id);
struct ipa *ipa = endpoint->ipa;
+ bool state;
u32 mask;
u32 val;
- /* assert(ipa->version == IPA_VERSION_3_5_1 */
+ /* Suspend is not supported for IPA v4.0+. Delay doesn't work
+ * correctly on IPA v4.2.
+ *
+ * if (endpoint->toward_ipa)
+ * assert(ipa->version != IPA_VERSION_4.2);
+ * else
+ * assert(ipa->version == IPA_VERSION_3_5_1);
+ */
mask = endpoint->toward_ipa ? ENDP_DELAY_FMASK : ENDP_SUSPEND_FMASK;
val = ioread32(ipa->reg_virt + offset);
- if (suspend_delay == !!(val & mask))
- return -EALREADY; /* Already set to desired state */
+ /* Don't bother if it's already in the requested state */
+ state = !!(val & mask);
+ if (suspend_delay != state) {
+ val ^= mask;
+ iowrite32(val, ipa->reg_virt + offset);
+ }
- val ^= mask;
- iowrite32(val, ipa->reg_virt + offset);
+ return state;
+}
- return 0;
+/* We currently don't care what the previous state was for delay mode */
+static void
+ipa_endpoint_program_delay(struct ipa_endpoint *endpoint, bool enable)
+{
+ /* assert(endpoint->toward_ipa); */
+
+ (void)ipa_endpoint_init_ctrl(endpoint, enable);
+}
+
+/* Returns previous suspend state (true means it was enabled) */
+static bool
+ipa_endpoint_program_suspend(struct ipa_endpoint *endpoint, bool enable)
+{
+ /* assert(!endpoint->toward_ipa); */
+
+ return ipa_endpoint_init_ctrl(endpoint, enable);
}
/* Enable or disable delay or suspend mode on all modem endpoints */
@@ -311,7 +333,7 @@ void ipa_endpoint_modem_pause_all(struct ipa *ipa, bool enable)
bool support_suspend;
u32 endpoint_id;
- /* DELAY mode doesn't work right on IPA v4.2 */
+ /* DELAY mode doesn't work correctly on IPA v4.2 */
if (ipa->version == IPA_VERSION_4_2)
return;
@@ -325,8 +347,10 @@ void ipa_endpoint_modem_pause_all(struct ipa *ipa, bool enable)
continue;
/* Set TX delay mode, or for IPA v3.5.1 RX suspend mode */
- if (endpoint->toward_ipa || support_suspend)
- (void)ipa_endpoint_init_ctrl(endpoint, enable);
+ if (endpoint->toward_ipa)
+ ipa_endpoint_program_delay(endpoint, enable);
+ else if (support_suspend)
+ (void)ipa_endpoint_program_suspend(endpoint, enable);
}
}
@@ -340,7 +364,7 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa)
/* We need one command per modem TX endpoint. We can get an upper
* bound on that by assuming all initialized endpoints are modem->IPA.
* That won't happen, and we could be more precise, but this is fine
- * for now. We need to end the transactio with a "tag process."
+ * for now. We need to end the transaction with a "tag process."
*/
count = hweight32(initialized) + ipa_cmd_tag_process_count();
trans = ipa_cmd_trans_alloc(ipa, count);
@@ -1133,10 +1157,10 @@ static int ipa_endpoint_reset_rx_aggr(struct ipa_endpoint *endpoint)
{
struct device *dev = &endpoint->ipa->pdev->dev;
struct ipa *ipa = endpoint->ipa;
- bool endpoint_suspended = false;
struct gsi *gsi = &ipa->gsi;
+ bool suspended = false;
dma_addr_t addr;
- bool db_enable;
+ bool legacy;
u32 retries;
u32 len = 1;
void *virt;
@@ -1164,8 +1188,7 @@ static int ipa_endpoint_reset_rx_aggr(struct ipa_endpoint *endpoint)
/* Make sure the channel isn't suspended */
if (endpoint->ipa->version == IPA_VERSION_3_5_1)
- if (!ipa_endpoint_init_ctrl(endpoint, false))
- endpoint_suspended = true;
+ suspended = ipa_endpoint_program_suspend(endpoint, false);
/* Start channel and do a 1 byte read */
ret = gsi_channel_start(gsi, endpoint->channel_id);
@@ -1191,7 +1214,7 @@ static int ipa_endpoint_reset_rx_aggr(struct ipa_endpoint *endpoint)
gsi_trans_read_byte_done(gsi, endpoint->channel_id);
- ret = ipa_endpoint_stop(endpoint);
+ ret = gsi_channel_stop(gsi, endpoint->channel_id);
if (ret)
goto out_suspend_again;
@@ -1200,18 +1223,18 @@ static int ipa_endpoint_reset_rx_aggr(struct ipa_endpoint *endpoint)
* complete the channel reset sequence. Finish by suspending the
* channel again (if necessary).
*/
- db_enable = ipa->version == IPA_VERSION_3_5_1;
- gsi_channel_reset(gsi, endpoint->channel_id, db_enable);
+ legacy = ipa->version == IPA_VERSION_3_5_1;
+ gsi_channel_reset(gsi, endpoint->channel_id, legacy);
msleep(1);
goto out_suspend_again;
err_endpoint_stop:
- ipa_endpoint_stop(endpoint);
+ (void)gsi_channel_stop(gsi, endpoint->channel_id);
out_suspend_again:
- if (endpoint_suspended)
- (void)ipa_endpoint_init_ctrl(endpoint, true);
+ if (suspended)
+ (void)ipa_endpoint_program_suspend(endpoint, true);
dma_unmap_single(dev, addr, len, DMA_FROM_DEVICE);
out_kfree:
kfree(virt);
@@ -1223,8 +1246,8 @@ static void ipa_endpoint_reset(struct ipa_endpoint *endpoint)
{
u32 channel_id = endpoint->channel_id;
struct ipa *ipa = endpoint->ipa;
- bool db_enable;
bool special;
+ bool legacy;
int ret = 0;
/* On IPA v3.5.1, if an RX endpoint is reset while aggregation
@@ -1233,12 +1256,12 @@ static void ipa_endpoint_reset(struct ipa_endpoint *endpoint)
*
* IPA v3.5.1 enables the doorbell engine. Newer versions do not.
*/
- db_enable = ipa->version == IPA_VERSION_3_5_1;
+ legacy = ipa->version == IPA_VERSION_3_5_1;
special = !endpoint->toward_ipa && endpoint->data->aggregation;
if (special && ipa_endpoint_aggr_active(endpoint))
ret = ipa_endpoint_reset_rx_aggr(endpoint);
else
- gsi_channel_reset(&ipa->gsi, channel_id, db_enable);
+ gsi_channel_reset(&ipa->gsi, channel_id, legacy);
if (ret)
dev_err(&ipa->pdev->dev,
@@ -1246,97 +1269,18 @@ static void ipa_endpoint_reset(struct ipa_endpoint *endpoint)
ret, endpoint->channel_id, endpoint->endpoint_id);
}
-static int ipa_endpoint_stop_rx_dma(struct ipa *ipa)
-{
- u16 size = IPA_ENDPOINT_STOP_RX_SIZE;
- struct gsi_trans *trans;
- dma_addr_t addr;
- int ret;
-
- trans = ipa_cmd_trans_alloc(ipa, 1);
- if (!trans) {
- dev_err(&ipa->pdev->dev,
- "no transaction for RX endpoint STOP workaround\n");
- return -EBUSY;
- }
-
- /* Read into the highest part of the zero memory area */
- addr = ipa->zero_addr + ipa->zero_size - size;
-
- ipa_cmd_dma_task_32b_addr_add(trans, size, addr, false);
-
- ret = gsi_trans_commit_wait_timeout(trans, ENDPOINT_STOP_DMA_TIMEOUT);
- if (ret)
- gsi_trans_free(trans);
-
- return ret;
-}
-
-/**
- * ipa_endpoint_stop() - Stops a GSI channel in IPA
- * @client: Client whose endpoint should be stopped
- *
- * This function implements the sequence to stop a GSI channel
- * in IPA. This function returns when the channel is is STOP state.
- *
- * Return value: 0 on success, negative otherwise
- */
-int ipa_endpoint_stop(struct ipa_endpoint *endpoint)
-{
- u32 retries = endpoint->toward_ipa ? 0 : IPA_ENDPOINT_STOP_RX_RETRIES;
- int ret;
-
- do {
- struct ipa *ipa = endpoint->ipa;
- struct gsi *gsi = &ipa->gsi;
-
- ret = gsi_channel_stop(gsi, endpoint->channel_id);
- if (ret != -EAGAIN)
- break;
-
- if (endpoint->toward_ipa)
- continue;
-
- /* For IPA v3.5.1, send a DMA read task and check again */
- if (ipa->version == IPA_VERSION_3_5_1) {
- ret = ipa_endpoint_stop_rx_dma(ipa);
- if (ret)
- break;
- }
-
- msleep(1);
- } while (retries--);
-
- return retries ? ret : -EIO;
-}
-
static void ipa_endpoint_program(struct ipa_endpoint *endpoint)
{
- struct device *dev = &endpoint->ipa->pdev->dev;
- int ret;
-
if (endpoint->toward_ipa) {
- bool delay_mode = endpoint->data->tx.delay;
-
- ret = ipa_endpoint_init_ctrl(endpoint, delay_mode);
- /* Endpoint is expected to not be in delay mode */
- if (!ret != delay_mode) {
- dev_warn(dev,
- "TX endpoint %u was %sin delay mode\n",
- endpoint->endpoint_id,
- delay_mode ? "already " : "");
- }
+ if (endpoint->ipa->version != IPA_VERSION_4_2)
+ ipa_endpoint_program_delay(endpoint, false);
ipa_endpoint_init_hdr_ext(endpoint);
ipa_endpoint_init_aggr(endpoint);
ipa_endpoint_init_deaggr(endpoint);
ipa_endpoint_init_seq(endpoint);
} else {
- if (endpoint->ipa->version == IPA_VERSION_3_5_1) {
- if (!ipa_endpoint_init_ctrl(endpoint, false))
- dev_warn(dev,
- "RX endpoint %u was suspended\n",
- endpoint->endpoint_id);
- }
+ if (endpoint->ipa->version == IPA_VERSION_3_5_1)
+ (void)ipa_endpoint_program_suspend(endpoint, false);
ipa_endpoint_init_hdr_ext(endpoint);
ipa_endpoint_init_aggr(endpoint);
}
@@ -1377,12 +1321,13 @@ void ipa_endpoint_disable_one(struct ipa_endpoint *endpoint)
{
u32 mask = BIT(endpoint->endpoint_id);
struct ipa *ipa = endpoint->ipa;
+ struct gsi *gsi = &ipa->gsi;
int ret;
- if (!(endpoint->ipa->enabled & mask))
+ if (!(ipa->enabled & mask))
return;
- endpoint->ipa->enabled ^= mask;
+ ipa->enabled ^= mask;
if (!endpoint->toward_ipa) {
ipa_endpoint_replenish_disable(endpoint);
@@ -1391,7 +1336,7 @@ void ipa_endpoint_disable_one(struct ipa_endpoint *endpoint)
}
/* Note that if stop fails, the channel's state is not well-defined */
- ret = ipa_endpoint_stop(endpoint);
+ ret = gsi_channel_stop(gsi, endpoint->channel_id);
if (ret)
dev_err(&ipa->pdev->dev,
"error %d attempting to stop endpoint %u\n", ret,
@@ -1448,7 +1393,7 @@ void ipa_endpoint_suspend_one(struct ipa_endpoint *endpoint)
* aggregation frame, then simulating the arrival of such
* an interrupt.
*/
- WARN_ON(ipa_endpoint_init_ctrl(endpoint, true));
+ (void)ipa_endpoint_program_suspend(endpoint, true);
ipa_endpoint_suspend_aggr(endpoint);
}
@@ -1471,7 +1416,7 @@ void ipa_endpoint_resume_one(struct ipa_endpoint *endpoint)
/* IPA v3.5.1 doesn't use channel start for resume */
start_channel = endpoint->ipa->version != IPA_VERSION_3_5_1;
if (!endpoint->toward_ipa && !start_channel)
- WARN_ON(ipa_endpoint_init_ctrl(endpoint, false));
+ (void)ipa_endpoint_program_suspend(endpoint, false);
ret = gsi_channel_resume(gsi, endpoint->channel_id, start_channel);
if (ret)
diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h
index 4b336a1f759d..58a245de488e 100644
--- a/drivers/net/ipa/ipa_endpoint.h
+++ b/drivers/net/ipa/ipa_endpoint.h
@@ -41,7 +41,6 @@ enum ipa_endpoint_name {
/**
* struct ipa_endpoint - IPA endpoint information
- * @client: Client associated with the endpoint
* @channel_id: EP's GSI channel
* @evt_ring_id: EP's GSI channel event ring
*/
@@ -76,8 +75,6 @@ int ipa_endpoint_modem_exception_reset_all(struct ipa *ipa);
int ipa_endpoint_skb_tx(struct ipa_endpoint *endpoint, struct sk_buff *skb);
-int ipa_endpoint_stop(struct ipa_endpoint *endpoint);
-
void ipa_endpoint_exit_one(struct ipa_endpoint *endpoint);
int ipa_endpoint_enable_one(struct ipa_endpoint *endpoint);
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 28998dcce3d2..76d5108b8403 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -108,7 +108,7 @@ int ipa_setup(struct ipa *ipa)
struct ipa_endpoint *command_endpoint;
int ret;
- /* IPA v4.0 and above don't use the doorbell engine. */
+ /* Setup for IPA v3.5.1 has some slight differences */
ret = gsi_setup(&ipa->gsi, ipa->version == IPA_VERSION_3_5_1);
if (ret)
return ret;
@@ -778,7 +778,7 @@ static int ipa_probe(struct platform_device *pdev)
if (ret)
goto err_kfree_ipa;
- ret = ipa_mem_init(ipa, data->mem_count, data->mem_data);
+ ret = ipa_mem_init(ipa, data->mem_data);
if (ret)
goto err_reg_exit;
@@ -933,8 +933,8 @@ static int ipa_resume(struct device *dev)
}
static const struct dev_pm_ops ipa_pm_ops = {
- .suspend_noirq = ipa_suspend,
- .resume_noirq = ipa_resume,
+ .suspend = ipa_suspend,
+ .resume = ipa_resume,
};
static struct platform_driver ipa_driver = {
diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index 42d2c29d9f0c..3ef814119aab 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -8,19 +8,24 @@
#include <linux/bitfield.h>
#include <linux/bug.h>
#include <linux/dma-mapping.h>
+#include <linux/iommu.h>
#include <linux/io.h>
+#include <linux/soc/qcom/smem.h>
#include "ipa.h"
#include "ipa_reg.h"
+#include "ipa_data.h"
#include "ipa_cmd.h"
#include "ipa_mem.h"
-#include "ipa_data.h"
#include "ipa_table.h"
#include "gsi_trans.h"
/* "Canary" value placed between memory regions to detect overflow */
#define IPA_MEM_CANARY_VAL cpu_to_le32(0xdeadbeef)
+/* SMEM host id representing the modem. */
+#define QCOM_SMEM_HOST_MODEM 1
+
/* Add an immediate command to a transaction that zeroes a memory region */
static void
ipa_mem_zero_region_add(struct gsi_trans *trans, const struct ipa_mem *mem)
@@ -265,16 +270,194 @@ int ipa_mem_zero_modem(struct ipa *ipa)
return 0;
}
+/**
+ * ipa_imem_init() - Initialize IMEM memory used by the IPA
+ * @ipa: IPA pointer
+ * @addr: Physical address of the IPA region in IMEM
+ * @size: Size (bytes) of the IPA region in IMEM
+ *
+ * IMEM is a block of shared memory separate from system DRAM, and
+ * a portion of this memory is available for the IPA to use. The
+ * modem accesses this memory directly, but the IPA accesses it
+ * via the IOMMU, using the AP's credentials.
+ *
+ * If this region exists (size > 0) we map it for read/write access
+ * through the IOMMU using the IPA device.
+ *
+ * Note: @addr and @size are not guaranteed to be page-aligned.
+ */
+static int ipa_imem_init(struct ipa *ipa, unsigned long addr, size_t size)
+{
+ struct device *dev = &ipa->pdev->dev;
+ struct iommu_domain *domain;
+ unsigned long iova;
+ phys_addr_t phys;
+ int ret;
+
+ if (!size)
+ return 0; /* IMEM memory not used */
+
+ domain = iommu_get_domain_for_dev(dev);
+ if (!domain) {
+ dev_err(dev, "no IOMMU domain found for IMEM\n");
+ return -EINVAL;
+ }
+
+ /* Align the address down and the size up to page boundaries */
+ phys = addr & PAGE_MASK;
+ size = PAGE_ALIGN(size + addr - phys);
+ iova = phys; /* We just want a direct mapping */
+
+ ret = iommu_map(domain, iova, phys, size, IOMMU_READ | IOMMU_WRITE);
+ if (ret)
+ return ret;
+
+ ipa->imem_iova = iova;
+ ipa->imem_size = size;
+
+ return 0;
+}
+
+static void ipa_imem_exit(struct ipa *ipa)
+{
+ struct iommu_domain *domain;
+ struct device *dev;
+
+ if (!ipa->imem_size)
+ return;
+
+ dev = &ipa->pdev->dev;
+ domain = iommu_get_domain_for_dev(dev);
+ if (domain) {
+ size_t size;
+
+ size = iommu_unmap(domain, ipa->imem_iova, ipa->imem_size);
+ if (size != ipa->imem_size)
+ dev_warn(dev, "unmapped %zu IMEM bytes, expected %lu\n",
+ size, ipa->imem_size);
+ } else {
+ dev_err(dev, "couldn't get IPA IOMMU domain for IMEM\n");
+ }
+
+ ipa->imem_size = 0;
+ ipa->imem_iova = 0;
+}
+
+/**
+ * ipa_smem_init() - Initialize SMEM memory used by the IPA
+ * @ipa: IPA pointer
+ * @item: Item ID of SMEM memory
+ * @size: Size (bytes) of SMEM memory region
+ *
+ * SMEM is a managed block of shared DRAM, from which numbered "items"
+ * can be allocated. One item is designated for use by the IPA.
+ *
+ * The modem accesses SMEM memory directly, but the IPA accesses it
+ * via the IOMMU, using the AP's credentials.
+ *
+ * If size provided is non-zero, we allocate it and map it for
+ * access through the IOMMU.
+ *
+ * Note: @size and the item address are is not guaranteed to be page-aligned.
+ */
+static int ipa_smem_init(struct ipa *ipa, u32 item, size_t size)
+{
+ struct device *dev = &ipa->pdev->dev;
+ struct iommu_domain *domain;
+ unsigned long iova;
+ phys_addr_t phys;
+ phys_addr_t addr;
+ size_t actual;
+ void *virt;
+ int ret;
+
+ if (!size)
+ return 0; /* SMEM memory not used */
+
+ /* SMEM is memory shared between the AP and another system entity
+ * (in this case, the modem). An allocation from SMEM is persistent
+ * until the AP reboots; there is no way to free an allocated SMEM
+ * region. Allocation only reserves the space; to use it you need
+ * to "get" a pointer it (this implies no reference counting).
+ * The item might have already been allocated, in which case we
+ * use it unless the size isn't what we expect.
+ */
+ ret = qcom_smem_alloc(QCOM_SMEM_HOST_MODEM, item, size);
+ if (ret && ret != -EEXIST) {
+ dev_err(dev, "error %d allocating size %zu SMEM item %u\n",
+ ret, size, item);
+ return ret;
+ }
+
+ /* Now get the address of the SMEM memory region */
+ virt = qcom_smem_get(QCOM_SMEM_HOST_MODEM, item, &actual);
+ if (IS_ERR(virt)) {
+ ret = PTR_ERR(virt);
+ dev_err(dev, "error %d getting SMEM item %u\n", ret, item);
+ return ret;
+ }
+
+ /* In case the region was already allocated, verify the size */
+ if (ret && actual != size) {
+ dev_err(dev, "SMEM item %u has size %zu, expected %zu\n",
+ item, actual, size);
+ return -EINVAL;
+ }
+
+ domain = iommu_get_domain_for_dev(dev);
+ if (!domain) {
+ dev_err(dev, "no IOMMU domain found for SMEM\n");
+ return -EINVAL;
+ }
+
+ /* Align the address down and the size up to a page boundary */
+ addr = qcom_smem_virt_to_phys(virt) & PAGE_MASK;
+ phys = addr & PAGE_MASK;
+ size = PAGE_ALIGN(size + addr - phys);
+ iova = phys; /* We just want a direct mapping */
+
+ ret = iommu_map(domain, iova, phys, size, IOMMU_READ | IOMMU_WRITE);
+ if (ret)
+ return ret;
+
+ ipa->smem_iova = iova;
+ ipa->smem_size = size;
+
+ return 0;
+}
+
+static void ipa_smem_exit(struct ipa *ipa)
+{
+ struct device *dev = &ipa->pdev->dev;
+ struct iommu_domain *domain;
+
+ domain = iommu_get_domain_for_dev(dev);
+ if (domain) {
+ size_t size;
+
+ size = iommu_unmap(domain, ipa->smem_iova, ipa->smem_size);
+ if (size != ipa->smem_size)
+ dev_warn(dev, "unmapped %zu SMEM bytes, expected %lu\n",
+ size, ipa->smem_size);
+
+ } else {
+ dev_err(dev, "couldn't get IPA IOMMU domain for SMEM\n");
+ }
+
+ ipa->smem_size = 0;
+ ipa->smem_iova = 0;
+}
+
/* Perform memory region-related initialization */
-int ipa_mem_init(struct ipa *ipa, u32 count, const struct ipa_mem *mem)
+int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data)
{
struct device *dev = &ipa->pdev->dev;
struct resource *res;
int ret;
- if (count > IPA_MEM_COUNT) {
+ if (mem_data->local_count > IPA_MEM_COUNT) {
dev_err(dev, "to many memory regions (%u > %u)\n",
- count, IPA_MEM_COUNT);
+ mem_data->local_count, IPA_MEM_COUNT);
return -EINVAL;
}
@@ -302,13 +485,30 @@ int ipa_mem_init(struct ipa *ipa, u32 count, const struct ipa_mem *mem)
ipa->mem_size = resource_size(res);
/* The ipa->mem[] array is indexed by enum ipa_mem_id values */
- ipa->mem = mem;
+ ipa->mem = mem_data->local;
+
+ ret = ipa_imem_init(ipa, mem_data->imem_addr, mem_data->imem_size);
+ if (ret)
+ goto err_unmap;
+
+ ret = ipa_smem_init(ipa, mem_data->smem_id, mem_data->smem_size);
+ if (ret)
+ goto err_imem_exit;
return 0;
+
+err_imem_exit:
+ ipa_imem_exit(ipa);
+err_unmap:
+ memunmap(ipa->mem_virt);
+
+ return ret;
}
/* Inverse of ipa_mem_init() */
void ipa_mem_exit(struct ipa *ipa)
{
+ ipa_smem_exit(ipa);
+ ipa_imem_exit(ipa);
memunmap(ipa->mem_virt);
}
diff --git a/drivers/net/ipa/ipa_mem.h b/drivers/net/ipa/ipa_mem.h
index 065cb499ebe5..f99180f84f0d 100644
--- a/drivers/net/ipa/ipa_mem.h
+++ b/drivers/net/ipa/ipa_mem.h
@@ -7,6 +7,7 @@
#define _IPA_MEM_H_
struct ipa;
+struct ipa_mem_data;
/**
* DOC: IPA Local Memory
@@ -84,7 +85,7 @@ void ipa_mem_teardown(struct ipa *ipa);
int ipa_mem_zero_modem(struct ipa *ipa);
-int ipa_mem_init(struct ipa *ipa, u32 count, const struct ipa_mem *mem);
+int ipa_mem_init(struct ipa *ipa, const struct ipa_mem_data *mem_data);
void ipa_mem_exit(struct ipa *ipa);
#endif /* _IPA_MEM_H_ */
diff --git a/drivers/net/ipa/ipa_smp2p.c b/drivers/net/ipa/ipa_smp2p.c
index 4d33aa7ebfbb..a5f7a79a1923 100644
--- a/drivers/net/ipa/ipa_smp2p.c
+++ b/drivers/net/ipa/ipa_smp2p.c
@@ -53,7 +53,7 @@
* @clock_on: Whether IPA clock is on
* @notified: Whether modem has been notified of clock state
* @disabled: Whether setup ready interrupt handling is disabled
- * @mutex mutex: Motex protecting ready interrupt/shutdown interlock
+ * @mutex: Mutex protecting ready-interrupt/shutdown interlock
* @panic_notifier: Panic notifier structure
*/
struct ipa_smp2p {
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index f195f278a83a..15e87c097b0b 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -131,6 +131,8 @@ static int ipvlan_init(struct net_device *dev)
dev->gso_max_segs = phy_dev->gso_max_segs;
dev->hard_header_len = phy_dev->hard_header_len;
+ netdev_lockdep_set_classes(dev);
+
ipvlan->pcpu_stats = netdev_alloc_pcpu_stats(struct ipvl_pcpu_stats);
if (!ipvlan->pcpu_stats)
return -ENOMEM;
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index a183250ff66a..20b53e255f68 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -1305,7 +1305,8 @@ static struct crypto_aead *macsec_alloc_tfm(char *key, int key_len, int icv_len)
struct crypto_aead *tfm;
int ret;
- tfm = crypto_alloc_aead("gcm(aes)", 0, 0);
+ /* Pick a sync gcm(aes) cipher to ensure order is preserved. */
+ tfm = crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm))
return tfm;
@@ -2640,11 +2641,12 @@ static int macsec_upd_offload(struct sk_buff *skb, struct genl_info *info)
if (ret)
goto rollback;
- rtnl_unlock();
/* Force features update, since they are different for SW MACSec and
* HW offloading cases.
*/
netdev_update_features(dev);
+
+ rtnl_unlock();
return 0;
rollback:
@@ -4002,11 +4004,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
struct netlink_ext_ack *extack)
{
struct macsec_dev *macsec = macsec_priv(dev);
+ rx_handler_func_t *rx_handler;
+ u8 icv_len = DEFAULT_ICV_LEN;
struct net_device *real_dev;
- int err;
+ int err, mtu;
sci_t sci;
- u8 icv_len = DEFAULT_ICV_LEN;
- rx_handler_func_t *rx_handler;
if (!tb[IFLA_LINK])
return -EINVAL;
@@ -4033,7 +4035,11 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
if (data && data[IFLA_MACSEC_ICV_LEN])
icv_len = nla_get_u8(data[IFLA_MACSEC_ICV_LEN]);
- dev->mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
+ mtu = real_dev->mtu - icv_len - macsec_extra_len(true);
+ if (mtu < 0)
+ dev->mtu = 0;
+ else
+ dev->mtu = mtu;
rx_handler = rtnl_dereference(real_dev->rx_handler);
if (rx_handler && rx_handler != macsec_handle_frame)
@@ -4043,6 +4049,8 @@ static int macsec_newlink(struct net *net, struct net_device *dev,
if (err < 0)
return err;
+ netdev_lockdep_set_classes(dev);
+
err = netdev_upper_dev_link(real_dev, dev, extack);
if (err < 0)
goto unregister;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index e7289d67268f..563aed5b3d9f 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -123,7 +123,8 @@ static struct macvlan_dev *macvlan_hash_lookup(const struct macvlan_port *port,
struct macvlan_dev *vlan;
u32 idx = macvlan_eth_hash(addr);
- hlist_for_each_entry_rcu(vlan, &port->vlan_hash[idx], hlist) {
+ hlist_for_each_entry_rcu(vlan, &port->vlan_hash[idx], hlist,
+ lockdep_rtnl_is_held()) {
if (ether_addr_equal_64bits(vlan->dev->dev_addr, addr))
return vlan;
}
@@ -447,6 +448,10 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
int ret;
rx_handler_result_t handle_res;
+ /* Packets from dev_loopback_xmit() do not have L2 header, bail out */
+ if (unlikely(skb->pkt_type == PACKET_LOOPBACK))
+ return RX_HANDLER_PASS;
+
port = macvlan_port_get_rcu(skb->dev);
if (is_multicast_ether_addr(eth->h_dest)) {
unsigned int hash;
@@ -541,12 +546,11 @@ xmit_world:
static inline netdev_tx_t macvlan_netpoll_send_skb(struct macvlan_dev *vlan, struct sk_buff *skb)
{
#ifdef CONFIG_NET_POLL_CONTROLLER
- if (vlan->netpoll)
- netpoll_send_skb(vlan->netpoll, skb);
+ return netpoll_send_skb(vlan->netpoll, skb);
#else
BUG();
-#endif
return NETDEV_TX_OK;
+#endif
}
static netdev_tx_t macvlan_start_xmit(struct sk_buff *skb,
@@ -889,6 +893,8 @@ static int macvlan_init(struct net_device *dev)
dev->gso_max_segs = lowerdev->gso_max_segs;
dev->hard_header_len = lowerdev->hard_header_len;
+ netdev_lockdep_set_classes(dev);
+
vlan->pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan->pcpu_stats)
return -ENOMEM;
@@ -1704,7 +1710,7 @@ static int macvlan_device_event(struct notifier_block *unused,
struct macvlan_dev,
list);
- if (macvlan_sync_address(vlan->dev, dev->dev_addr))
+ if (vlan && macvlan_sync_address(vlan->dev, dev->dev_addr))
return NOTIFY_BAD;
break;
diff --git a/drivers/net/net_failover.c b/drivers/net/net_failover.c
index b16a1221d19b..fb182bec8f06 100644
--- a/drivers/net/net_failover.c
+++ b/drivers/net/net_failover.c
@@ -61,7 +61,8 @@ static int net_failover_open(struct net_device *dev)
return 0;
err_standby_open:
- dev_close(primary_dev);
+ if (primary_dev)
+ dev_close(primary_dev);
err_primary_open:
netif_tx_disable(dev);
return err;
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index 68668a22b9dd..ec6b6f7818ac 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -431,6 +431,10 @@ enum {
DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
NSIM_TRAP_METADATA)
+#define NSIM_TRAP_CONTROL(_id, _group_id, _action) \
+ DEVLINK_TRAP_GENERIC(CONTROL, _action, _id, \
+ DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
+ NSIM_TRAP_METADATA)
#define NSIM_TRAP_DRIVER_EXCEPTION(_id, _group_id) \
DEVLINK_TRAP_DRIVER(EXCEPTION, TRAP, NSIM_TRAP_ID_##_id, \
NSIM_TRAP_NAME_##_id, \
@@ -458,8 +462,10 @@ static const struct devlink_trap_policer nsim_trap_policers_arr[] = {
static const struct devlink_trap_group nsim_trap_groups_arr[] = {
DEVLINK_TRAP_GROUP_GENERIC(L2_DROPS, 0),
DEVLINK_TRAP_GROUP_GENERIC(L3_DROPS, 1),
+ DEVLINK_TRAP_GROUP_GENERIC(L3_EXCEPTIONS, 1),
DEVLINK_TRAP_GROUP_GENERIC(BUFFER_DROPS, 2),
DEVLINK_TRAP_GROUP_GENERIC(ACL_DROPS, 3),
+ DEVLINK_TRAP_GROUP_GENERIC(MC_SNOOPING, 3),
};
static const struct devlink_trap nsim_traps_arr[] = {
@@ -471,12 +477,14 @@ static const struct devlink_trap nsim_traps_arr[] = {
NSIM_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS),
NSIM_TRAP_DRIVER_EXCEPTION(FID_MISS, L2_DROPS),
NSIM_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS),
- NSIM_TRAP_EXCEPTION(TTL_ERROR, L3_DROPS),
+ NSIM_TRAP_EXCEPTION(TTL_ERROR, L3_EXCEPTIONS),
NSIM_TRAP_DROP(TAIL_DROP, BUFFER_DROPS),
NSIM_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP, ACL_DROPS,
DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
NSIM_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP, ACL_DROPS,
DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
+ NSIM_TRAP_CONTROL(IGMP_QUERY, MC_SNOOPING, MIRROR),
+ NSIM_TRAP_CONTROL(IGMP_V1_REPORT, MC_SNOOPING, TRAP),
};
#define NSIM_TRAP_L4_DATA_LEN 100
@@ -858,8 +866,7 @@ nsim_dev_devlink_trap_policer_counter_get(struct devlink *devlink,
return -EINVAL;
cnt = &nsim_dev->trap_data->trap_policers_cnt_arr[policer->id - 1];
- *p_drops = *cnt;
- *cnt += jiffies % 64;
+ *p_drops = (*cnt)++;
return 0;
}
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 3fa33d27eeba..047c27087b10 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -157,6 +157,13 @@ config MDIO_I2C
This is library mode.
+config MDIO_IPQ4019
+ tristate "Qualcomm IPQ4019 MDIO interface support"
+ depends on HAS_IOMEM && OF_MDIO
+ help
+ This driver supports the MDIO interface found in Qualcomm
+ IPQ40xx series Soc-s.
+
config MDIO_IPQ8064
tristate "Qualcomm IPQ8064 MDIO interface support"
depends on HAS_IOMEM && OF_MDIO
@@ -177,7 +184,8 @@ config MDIO_MSCC_MIIM
depends on HAS_IOMEM
help
This driver supports the MIIM (MDIO) interface found in the network
- switches of the Microsemi SoCs
+ switches of the Microsemi SoCs; it is recommended to switch on
+ CONFIG_HIGH_RES_TIMERS
config MDIO_MVUSB
tristate "Marvell USB to MDIO Adapter"
@@ -346,6 +354,17 @@ config BROADCOM_PHY
Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464,
BCM5481, BCM54810 and BCM5482 PHYs.
+config BCM54140_PHY
+ tristate "Broadcom BCM54140 PHY"
+ depends on PHYLIB
+ depends on HWMON || HWMON=n
+ select BCM_NET_PHYLIB
+ help
+ Support the Broadcom BCM54140 Quad SGMII/QSGMII PHY.
+
+ This driver also supports the hardware monitoring of this PHY and
+ exposes voltage and temperature sensors.
+
config BCM84881_PHY
tristate "Broadcom BCM84881 PHY"
depends on PHYLIB
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index 2f5c7093a65b..dc9e53b511d6 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_MDIO_CAVIUM) += mdio-cavium.o
obj-$(CONFIG_MDIO_GPIO) += mdio-gpio.o
obj-$(CONFIG_MDIO_HISI_FEMAC) += mdio-hisi-femac.o
obj-$(CONFIG_MDIO_I2C) += mdio-i2c.o
+obj-$(CONFIG_MDIO_IPQ4019) += mdio-ipq4019.o
obj-$(CONFIG_MDIO_IPQ8064) += mdio-ipq8064.o
obj-$(CONFIG_MDIO_MOXART) += mdio-moxart.o
obj-$(CONFIG_MDIO_MSCC_MIIM) += mdio-mscc-miim.o
@@ -68,6 +69,7 @@ obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
obj-$(CONFIG_BCM_CYGNUS_PHY) += bcm-cygnus.o
obj-$(CONFIG_BCM_NET_PHYLIB) += bcm-phy-lib.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
+obj-$(CONFIG_BCM54140_PHY) += bcm54140.o
obj-$(CONFIG_BCM84881_PHY) += bcm84881.o
obj-$(CONFIG_CICADA_PHY) += cicada.o
obj-$(CONFIG_CORTINA_PHY) += cortina.o
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index 31f731e6df72..97cbe593f0ea 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -12,6 +12,7 @@
#include <linux/string.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ethtool_netlink.h>
#include <linux/of_gpio.h>
#include <linux/bitfield.h>
#include <linux/gpio/consumer.h>
@@ -43,6 +44,19 @@
#define AT803X_INTR_STATUS 0x13
#define AT803X_SMART_SPEED 0x14
+#define AT803X_SMART_SPEED_ENABLE BIT(5)
+#define AT803X_SMART_SPEED_RETRY_LIMIT_MASK GENMASK(4, 2)
+#define AT803X_SMART_SPEED_BYPASS_TIMER BIT(1)
+#define AT803X_CDT 0x16
+#define AT803X_CDT_MDI_PAIR_MASK GENMASK(9, 8)
+#define AT803X_CDT_ENABLE_TEST BIT(0)
+#define AT803X_CDT_STATUS 0x1c
+#define AT803X_CDT_STATUS_STAT_NORMAL 0
+#define AT803X_CDT_STATUS_STAT_SHORT 1
+#define AT803X_CDT_STATUS_STAT_OPEN 2
+#define AT803X_CDT_STATUS_STAT_FAIL 3
+#define AT803X_CDT_STATUS_STAT_MASK GENMASK(9, 8)
+#define AT803X_CDT_STATUS_DELTA_TIME_MASK GENMASK(7, 0)
#define AT803X_LED_CONTROL 0x18
#define AT803X_DEVICE_ADDR 0x03
@@ -103,11 +117,16 @@
#define AT803X_CLK_OUT_STRENGTH_HALF 1
#define AT803X_CLK_OUT_STRENGTH_QUARTER 2
+#define AT803X_DEFAULT_DOWNSHIFT 5
+#define AT803X_MIN_DOWNSHIFT 2
+#define AT803X_MAX_DOWNSHIFT 9
+
#define ATH9331_PHY_ID 0x004dd041
#define ATH8030_PHY_ID 0x004dd076
#define ATH8031_PHY_ID 0x004dd074
+#define ATH8032_PHY_ID 0x004dd023
#define ATH8035_PHY_ID 0x004dd072
-#define AT803X_PHY_ID_MASK 0xffffffef
+#define AT8030_PHY_ID_MASK 0xffffffef
MODULE_DESCRIPTION("Qualcomm Atheros AR803x PHY driver");
MODULE_AUTHOR("Matus Ujhelyi");
@@ -712,15 +731,257 @@ static int at803x_read_status(struct phy_device *phydev)
return 0;
}
+static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
+{
+ int val;
+
+ val = phy_read(phydev, AT803X_SMART_SPEED);
+ if (val < 0)
+ return val;
+
+ if (val & AT803X_SMART_SPEED_ENABLE)
+ *d = FIELD_GET(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, val) + 2;
+ else
+ *d = DOWNSHIFT_DEV_DISABLE;
+
+ return 0;
+}
+
+static int at803x_set_downshift(struct phy_device *phydev, u8 cnt)
+{
+ u16 mask, set;
+ int ret;
+
+ switch (cnt) {
+ case DOWNSHIFT_DEV_DEFAULT_COUNT:
+ cnt = AT803X_DEFAULT_DOWNSHIFT;
+ fallthrough;
+ case AT803X_MIN_DOWNSHIFT ... AT803X_MAX_DOWNSHIFT:
+ set = AT803X_SMART_SPEED_ENABLE |
+ AT803X_SMART_SPEED_BYPASS_TIMER |
+ FIELD_PREP(AT803X_SMART_SPEED_RETRY_LIMIT_MASK, cnt - 2);
+ mask = AT803X_SMART_SPEED_RETRY_LIMIT_MASK;
+ break;
+ case DOWNSHIFT_DEV_DISABLE:
+ set = 0;
+ mask = AT803X_SMART_SPEED_ENABLE |
+ AT803X_SMART_SPEED_BYPASS_TIMER;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = phy_modify_changed(phydev, AT803X_SMART_SPEED, mask, set);
+
+ /* After changing the smart speed settings, we need to perform a
+ * software reset, use phy_init_hw() to make sure we set the
+ * reapply any values which might got lost during software reset.
+ */
+ if (ret == 1)
+ ret = phy_init_hw(phydev);
+
+ return ret;
+}
+
+static int at803x_get_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_DOWNSHIFT:
+ return at803x_get_downshift(phydev, data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int at803x_set_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, const void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_DOWNSHIFT:
+ return at803x_set_downshift(phydev, *(const u8 *)data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int at803x_cable_test_result_trans(u16 status)
+{
+ switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
+ case AT803X_CDT_STATUS_STAT_NORMAL:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
+ case AT803X_CDT_STATUS_STAT_SHORT:
+ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
+ case AT803X_CDT_STATUS_STAT_OPEN:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
+ case AT803X_CDT_STATUS_STAT_FAIL:
+ default:
+ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
+ }
+}
+
+static bool at803x_cdt_test_failed(u16 status)
+{
+ return FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status) ==
+ AT803X_CDT_STATUS_STAT_FAIL;
+}
+
+static bool at803x_cdt_fault_length_valid(u16 status)
+{
+ switch (FIELD_GET(AT803X_CDT_STATUS_STAT_MASK, status)) {
+ case AT803X_CDT_STATUS_STAT_OPEN:
+ case AT803X_CDT_STATUS_STAT_SHORT:
+ return true;
+ }
+ return false;
+}
+
+static int at803x_cdt_fault_length(u16 status)
+{
+ int dt;
+
+ /* According to the datasheet the distance to the fault is
+ * DELTA_TIME * 0.824 meters.
+ *
+ * The author suspect the correct formula is:
+ *
+ * fault_distance = DELTA_TIME * (c * VF) / 125MHz / 2
+ *
+ * where c is the speed of light, VF is the velocity factor of
+ * the twisted pair cable, 125MHz the counter frequency and
+ * we need to divide by 2 because the hardware will measure the
+ * round trip time to the fault and back to the PHY.
+ *
+ * With a VF of 0.69 we get the factor 0.824 mentioned in the
+ * datasheet.
+ */
+ dt = FIELD_GET(AT803X_CDT_STATUS_DELTA_TIME_MASK, status);
+
+ return (dt * 824) / 10;
+}
+
+static int at803x_cdt_start(struct phy_device *phydev, int pair)
+{
+ u16 cdt;
+
+ cdt = FIELD_PREP(AT803X_CDT_MDI_PAIR_MASK, pair) |
+ AT803X_CDT_ENABLE_TEST;
+
+ return phy_write(phydev, AT803X_CDT, cdt);
+}
+
+static int at803x_cdt_wait_for_completion(struct phy_device *phydev)
+{
+ int val, ret;
+
+ /* One test run takes about 25ms */
+ ret = phy_read_poll_timeout(phydev, AT803X_CDT, val,
+ !(val & AT803X_CDT_ENABLE_TEST),
+ 30000, 100000, true);
+
+ return ret < 0 ? ret : 0;
+}
+
+static int at803x_cable_test_one_pair(struct phy_device *phydev, int pair)
+{
+ static const int ethtool_pair[] = {
+ ETHTOOL_A_CABLE_PAIR_A,
+ ETHTOOL_A_CABLE_PAIR_B,
+ ETHTOOL_A_CABLE_PAIR_C,
+ ETHTOOL_A_CABLE_PAIR_D,
+ };
+ int ret, val;
+
+ ret = at803x_cdt_start(phydev, pair);
+ if (ret)
+ return ret;
+
+ ret = at803x_cdt_wait_for_completion(phydev);
+ if (ret)
+ return ret;
+
+ val = phy_read(phydev, AT803X_CDT_STATUS);
+ if (val < 0)
+ return val;
+
+ if (at803x_cdt_test_failed(val))
+ return 0;
+
+ ethnl_cable_test_result(phydev, ethtool_pair[pair],
+ at803x_cable_test_result_trans(val));
+
+ if (at803x_cdt_fault_length_valid(val))
+ ethnl_cable_test_fault_length(phydev, ethtool_pair[pair],
+ at803x_cdt_fault_length(val));
+
+ return 1;
+}
+
+static int at803x_cable_test_get_status(struct phy_device *phydev,
+ bool *finished)
+{
+ unsigned long pair_mask;
+ int retries = 20;
+ int pair, ret;
+
+ if (phydev->phy_id == ATH9331_PHY_ID ||
+ phydev->phy_id == ATH8032_PHY_ID)
+ pair_mask = 0x3;
+ else
+ pair_mask = 0xf;
+
+ *finished = false;
+
+ /* According to the datasheet the CDT can be performed when
+ * there is no link partner or when the link partner is
+ * auto-negotiating. Starting the test will restart the AN
+ * automatically. It seems that doing this repeatedly we will
+ * get a slot where our link partner won't disturb our
+ * measurement.
+ */
+ while (pair_mask && retries--) {
+ for_each_set_bit(pair, &pair_mask, 4) {
+ ret = at803x_cable_test_one_pair(phydev, pair);
+ if (ret < 0)
+ return ret;
+ if (ret)
+ clear_bit(pair, &pair_mask);
+ }
+ if (pair_mask)
+ msleep(250);
+ }
+
+ *finished = true;
+
+ return 0;
+}
+
+static int at803x_cable_test_start(struct phy_device *phydev)
+{
+ /* Enable auto-negotiation, but advertise no capabilities, no link
+ * will be established. A restart of the auto-negotiation is not
+ * required, because the cable test will automatically break the link.
+ */
+ phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
+ phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
+ if (phydev->phy_id != ATH9331_PHY_ID &&
+ phydev->phy_id != ATH8032_PHY_ID)
+ phy_write(phydev, MII_CTRL1000, 0);
+
+ /* we do all the (time consuming) work later */
+ return 0;
+}
+
static struct phy_driver at803x_driver[] = {
{
/* Qualcomm Atheros AR8035 */
- .phy_id = ATH8035_PHY_ID,
+ PHY_ID_MATCH_EXACT(ATH8035_PHY_ID),
.name = "Qualcomm Atheros AR8035",
- .phy_id_mask = AT803X_PHY_ID_MASK,
+ .flags = PHY_POLL_CABLE_TEST,
.probe = at803x_probe,
.remove = at803x_remove,
.config_init = at803x_config_init,
+ .soft_reset = genphy_soft_reset,
.set_wol = at803x_set_wol,
.get_wol = at803x_get_wol,
.suspend = at803x_suspend,
@@ -729,11 +990,15 @@ static struct phy_driver at803x_driver[] = {
.read_status = at803x_read_status,
.ack_interrupt = at803x_ack_interrupt,
.config_intr = at803x_config_intr,
+ .get_tunable = at803x_get_tunable,
+ .set_tunable = at803x_set_tunable,
+ .cable_test_start = at803x_cable_test_start,
+ .cable_test_get_status = at803x_cable_test_get_status,
}, {
/* Qualcomm Atheros AR8030 */
.phy_id = ATH8030_PHY_ID,
.name = "Qualcomm Atheros AR8030",
- .phy_id_mask = AT803X_PHY_ID_MASK,
+ .phy_id_mask = AT8030_PHY_ID_MASK,
.probe = at803x_probe,
.remove = at803x_remove,
.config_init = at803x_config_init,
@@ -747,12 +1012,13 @@ static struct phy_driver at803x_driver[] = {
.config_intr = at803x_config_intr,
}, {
/* Qualcomm Atheros AR8031/AR8033 */
- .phy_id = ATH8031_PHY_ID,
+ PHY_ID_MATCH_EXACT(ATH8031_PHY_ID),
.name = "Qualcomm Atheros AR8031/AR8033",
- .phy_id_mask = AT803X_PHY_ID_MASK,
+ .flags = PHY_POLL_CABLE_TEST,
.probe = at803x_probe,
.remove = at803x_remove,
.config_init = at803x_config_init,
+ .soft_reset = genphy_soft_reset,
.set_wol = at803x_set_wol,
.get_wol = at803x_get_wol,
.suspend = at803x_suspend,
@@ -762,23 +1028,49 @@ static struct phy_driver at803x_driver[] = {
.aneg_done = at803x_aneg_done,
.ack_interrupt = &at803x_ack_interrupt,
.config_intr = &at803x_config_intr,
+ .get_tunable = at803x_get_tunable,
+ .set_tunable = at803x_set_tunable,
+ .cable_test_start = at803x_cable_test_start,
+ .cable_test_get_status = at803x_cable_test_get_status,
+}, {
+ /* Qualcomm Atheros AR8032 */
+ PHY_ID_MATCH_EXACT(ATH8032_PHY_ID),
+ .name = "Qualcomm Atheros AR8032",
+ .probe = at803x_probe,
+ .remove = at803x_remove,
+ .flags = PHY_POLL_CABLE_TEST,
+ .config_init = at803x_config_init,
+ .link_change_notify = at803x_link_change_notify,
+ .set_wol = at803x_set_wol,
+ .get_wol = at803x_get_wol,
+ .suspend = at803x_suspend,
+ .resume = at803x_resume,
+ /* PHY_BASIC_FEATURES */
+ .ack_interrupt = at803x_ack_interrupt,
+ .config_intr = at803x_config_intr,
+ .cable_test_start = at803x_cable_test_start,
+ .cable_test_get_status = at803x_cable_test_get_status,
}, {
/* ATHEROS AR9331 */
PHY_ID_MATCH_EXACT(ATH9331_PHY_ID),
.name = "Qualcomm Atheros AR9331 built-in PHY",
.suspend = at803x_suspend,
.resume = at803x_resume,
+ .flags = PHY_POLL_CABLE_TEST,
/* PHY_BASIC_FEATURES */
.ack_interrupt = &at803x_ack_interrupt,
.config_intr = &at803x_config_intr,
+ .cable_test_start = at803x_cable_test_start,
+ .cable_test_get_status = at803x_cable_test_get_status,
} };
module_phy_driver(at803x_driver);
static struct mdio_device_id __maybe_unused atheros_tbl[] = {
- { ATH8030_PHY_ID, AT803X_PHY_ID_MASK },
- { ATH8031_PHY_ID, AT803X_PHY_ID_MASK },
- { ATH8035_PHY_ID, AT803X_PHY_ID_MASK },
+ { ATH8030_PHY_ID, AT8030_PHY_ID_MASK },
+ { PHY_ID_MATCH_EXACT(ATH8031_PHY_ID) },
+ { PHY_ID_MATCH_EXACT(ATH8032_PHY_ID) },
+ { PHY_ID_MATCH_EXACT(ATH8035_PHY_ID) },
{ PHY_ID_MATCH_EXACT(ATH9331_PHY_ID) },
{ }
};
diff --git a/drivers/net/phy/bcm-phy-lib.c b/drivers/net/phy/bcm-phy-lib.c
index e77b274a09fd..ef6825b30323 100644
--- a/drivers/net/phy/bcm-phy-lib.c
+++ b/drivers/net/phy/bcm-phy-lib.c
@@ -4,45 +4,103 @@
*/
#include "bcm-phy-lib.h"
+#include <linux/bitfield.h>
#include <linux/brcmphy.h>
#include <linux/export.h>
#include <linux/mdio.h>
#include <linux/module.h>
#include <linux/phy.h>
#include <linux/ethtool.h>
+#include <linux/ethtool_netlink.h>
#define MII_BCM_CHANNEL_WIDTH 0x2000
#define BCM_CL45VEN_EEE_ADV 0x3c
-int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val)
+int __bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val)
{
int rc;
- rc = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
+ rc = __phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
if (rc < 0)
return rc;
- return phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
+ return __phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
+}
+EXPORT_SYMBOL_GPL(__bcm_phy_write_exp);
+
+int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val)
+{
+ int rc;
+
+ phy_lock_mdio_bus(phydev);
+ rc = __bcm_phy_write_exp(phydev, reg, val);
+ phy_unlock_mdio_bus(phydev);
+
+ return rc;
}
EXPORT_SYMBOL_GPL(bcm_phy_write_exp);
-int bcm_phy_read_exp(struct phy_device *phydev, u16 reg)
+int __bcm_phy_read_exp(struct phy_device *phydev, u16 reg)
{
int val;
- val = phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
+ val = __phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
if (val < 0)
return val;
- val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
+ val = __phy_read(phydev, MII_BCM54XX_EXP_DATA);
/* Restore default value. It's O.K. if this write fails. */
- phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
+ __phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
return val;
}
+EXPORT_SYMBOL_GPL(__bcm_phy_read_exp);
+
+int bcm_phy_read_exp(struct phy_device *phydev, u16 reg)
+{
+ int rc;
+
+ phy_lock_mdio_bus(phydev);
+ rc = __bcm_phy_read_exp(phydev, reg);
+ phy_unlock_mdio_bus(phydev);
+
+ return rc;
+}
EXPORT_SYMBOL_GPL(bcm_phy_read_exp);
+int __bcm_phy_modify_exp(struct phy_device *phydev, u16 reg, u16 mask, u16 set)
+{
+ int new, ret;
+
+ ret = __phy_write(phydev, MII_BCM54XX_EXP_SEL, reg);
+ if (ret < 0)
+ return ret;
+
+ ret = __phy_read(phydev, MII_BCM54XX_EXP_DATA);
+ if (ret < 0)
+ return ret;
+
+ new = (ret & ~mask) | set;
+ if (new == ret)
+ return 0;
+
+ return __phy_write(phydev, MII_BCM54XX_EXP_DATA, new);
+}
+EXPORT_SYMBOL_GPL(__bcm_phy_modify_exp);
+
+int bcm_phy_modify_exp(struct phy_device *phydev, u16 reg, u16 mask, u16 set)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __bcm_phy_modify_exp(phydev, reg, mask, set);
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_modify_exp);
+
int bcm54xx_auxctl_read(struct phy_device *phydev, u16 regnum)
{
/* The register must be written to both the Shadow Register Select and
@@ -155,6 +213,86 @@ int bcm_phy_write_shadow(struct phy_device *phydev, u16 shadow,
}
EXPORT_SYMBOL_GPL(bcm_phy_write_shadow);
+int __bcm_phy_read_rdb(struct phy_device *phydev, u16 rdb)
+{
+ int val;
+
+ val = __phy_write(phydev, MII_BCM54XX_RDB_ADDR, rdb);
+ if (val < 0)
+ return val;
+
+ return __phy_read(phydev, MII_BCM54XX_RDB_DATA);
+}
+EXPORT_SYMBOL_GPL(__bcm_phy_read_rdb);
+
+int bcm_phy_read_rdb(struct phy_device *phydev, u16 rdb)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __bcm_phy_read_rdb(phydev, rdb);
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_read_rdb);
+
+int __bcm_phy_write_rdb(struct phy_device *phydev, u16 rdb, u16 val)
+{
+ int ret;
+
+ ret = __phy_write(phydev, MII_BCM54XX_RDB_ADDR, rdb);
+ if (ret < 0)
+ return ret;
+
+ return __phy_write(phydev, MII_BCM54XX_RDB_DATA, val);
+}
+EXPORT_SYMBOL_GPL(__bcm_phy_write_rdb);
+
+int bcm_phy_write_rdb(struct phy_device *phydev, u16 rdb, u16 val)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __bcm_phy_write_rdb(phydev, rdb, val);
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_write_rdb);
+
+int __bcm_phy_modify_rdb(struct phy_device *phydev, u16 rdb, u16 mask, u16 set)
+{
+ int new, ret;
+
+ ret = __phy_write(phydev, MII_BCM54XX_RDB_ADDR, rdb);
+ if (ret < 0)
+ return ret;
+
+ ret = __phy_read(phydev, MII_BCM54XX_RDB_DATA);
+ if (ret < 0)
+ return ret;
+
+ new = (ret & ~mask) | set;
+ if (new == ret)
+ return 0;
+
+ return __phy_write(phydev, MII_BCM54XX_RDB_DATA, new);
+}
+EXPORT_SYMBOL_GPL(__bcm_phy_modify_rdb);
+
+int bcm_phy_modify_rdb(struct phy_device *phydev, u16 rdb, u16 mask, u16 set)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __bcm_phy_modify_rdb(phydev, rdb, mask, set);
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(bcm_phy_modify_rdb);
+
int bcm_phy_enable_apd(struct phy_device *phydev, bool dll_pwr_down)
{
int val;
@@ -445,6 +583,191 @@ int bcm_phy_enable_jumbo(struct phy_device *phydev)
}
EXPORT_SYMBOL_GPL(bcm_phy_enable_jumbo);
+static int __bcm_phy_enable_rdb_access(struct phy_device *phydev)
+{
+ return __bcm_phy_write_exp(phydev, BCM54XX_EXP_REG7E, 0);
+}
+
+static int __bcm_phy_enable_legacy_access(struct phy_device *phydev)
+{
+ return __bcm_phy_write_rdb(phydev, BCM54XX_RDB_REG0087,
+ BCM54XX_ACCESS_MODE_LEGACY_EN);
+}
+
+static int _bcm_phy_cable_test_start(struct phy_device *phydev, bool is_rdb)
+{
+ u16 mask, set;
+ int ret;
+
+ /* Auto-negotiation must be enabled for cable diagnostics to work, but
+ * don't advertise any capabilities.
+ */
+ phy_write(phydev, MII_BMCR, BMCR_ANENABLE);
+ phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);
+ phy_write(phydev, MII_CTRL1000, 0);
+
+ phy_lock_mdio_bus(phydev);
+ if (is_rdb) {
+ ret = __bcm_phy_enable_legacy_access(phydev);
+ if (ret)
+ goto out;
+ }
+
+ mask = BCM54XX_ECD_CTRL_CROSS_SHORT_DIS | BCM54XX_ECD_CTRL_UNIT_MASK;
+ set = BCM54XX_ECD_CTRL_RUN | BCM54XX_ECD_CTRL_BREAK_LINK |
+ FIELD_PREP(BCM54XX_ECD_CTRL_UNIT_MASK,
+ BCM54XX_ECD_CTRL_UNIT_CM);
+
+ ret = __bcm_phy_modify_exp(phydev, BCM54XX_EXP_ECD_CTRL, mask, set);
+
+out:
+ /* re-enable the RDB access even if there was an error */
+ if (is_rdb)
+ ret = __bcm_phy_enable_rdb_access(phydev) ? : ret;
+
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+
+static int bcm_phy_cable_test_report_trans(int result)
+{
+ switch (result) {
+ case BCM54XX_ECD_FAULT_TYPE_OK:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
+ case BCM54XX_ECD_FAULT_TYPE_OPEN:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
+ case BCM54XX_ECD_FAULT_TYPE_SAME_SHORT:
+ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
+ case BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT:
+ return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
+ case BCM54XX_ECD_FAULT_TYPE_INVALID:
+ case BCM54XX_ECD_FAULT_TYPE_BUSY:
+ default:
+ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
+ }
+}
+
+static bool bcm_phy_distance_valid(int result)
+{
+ switch (result) {
+ case BCM54XX_ECD_FAULT_TYPE_OPEN:
+ case BCM54XX_ECD_FAULT_TYPE_SAME_SHORT:
+ case BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT:
+ return true;
+ }
+ return false;
+}
+
+static int bcm_phy_report_length(struct phy_device *phydev, int pair)
+{
+ int val;
+
+ val = __bcm_phy_read_exp(phydev,
+ BCM54XX_EXP_ECD_PAIR_A_LENGTH_RESULTS + pair);
+ if (val < 0)
+ return val;
+
+ if (val == BCM54XX_ECD_LENGTH_RESULTS_INVALID)
+ return 0;
+
+ ethnl_cable_test_fault_length(phydev, pair, val);
+
+ return 0;
+}
+
+static int _bcm_phy_cable_test_get_status(struct phy_device *phydev,
+ bool *finished, bool is_rdb)
+{
+ int pair_a, pair_b, pair_c, pair_d, ret;
+
+ *finished = false;
+
+ phy_lock_mdio_bus(phydev);
+
+ if (is_rdb) {
+ ret = __bcm_phy_enable_legacy_access(phydev);
+ if (ret)
+ goto out;
+ }
+
+ ret = __bcm_phy_read_exp(phydev, BCM54XX_EXP_ECD_CTRL);
+ if (ret < 0)
+ goto out;
+
+ if (ret & BCM54XX_ECD_CTRL_IN_PROGRESS) {
+ ret = 0;
+ goto out;
+ }
+
+ ret = __bcm_phy_read_exp(phydev, BCM54XX_EXP_ECD_FAULT_TYPE);
+ if (ret < 0)
+ goto out;
+
+ pair_a = FIELD_GET(BCM54XX_ECD_FAULT_TYPE_PAIR_A_MASK, ret);
+ pair_b = FIELD_GET(BCM54XX_ECD_FAULT_TYPE_PAIR_B_MASK, ret);
+ pair_c = FIELD_GET(BCM54XX_ECD_FAULT_TYPE_PAIR_C_MASK, ret);
+ pair_d = FIELD_GET(BCM54XX_ECD_FAULT_TYPE_PAIR_D_MASK, ret);
+
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
+ bcm_phy_cable_test_report_trans(pair_a));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
+ bcm_phy_cable_test_report_trans(pair_b));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
+ bcm_phy_cable_test_report_trans(pair_c));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
+ bcm_phy_cable_test_report_trans(pair_d));
+
+ if (bcm_phy_distance_valid(pair_a))
+ bcm_phy_report_length(phydev, 0);
+ if (bcm_phy_distance_valid(pair_b))
+ bcm_phy_report_length(phydev, 1);
+ if (bcm_phy_distance_valid(pair_c))
+ bcm_phy_report_length(phydev, 2);
+ if (bcm_phy_distance_valid(pair_d))
+ bcm_phy_report_length(phydev, 3);
+
+ ret = 0;
+ *finished = true;
+out:
+ /* re-enable the RDB access even if there was an error */
+ if (is_rdb)
+ ret = __bcm_phy_enable_rdb_access(phydev) ? : ret;
+
+ phy_unlock_mdio_bus(phydev);
+
+ return ret;
+}
+
+int bcm_phy_cable_test_start(struct phy_device *phydev)
+{
+ return _bcm_phy_cable_test_start(phydev, false);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_cable_test_start);
+
+int bcm_phy_cable_test_get_status(struct phy_device *phydev, bool *finished)
+{
+ return _bcm_phy_cable_test_get_status(phydev, finished, false);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_cable_test_get_status);
+
+/* We assume that all PHYs which support RDB access can be switched to legacy
+ * mode. If, in the future, this is not true anymore, we have to re-implement
+ * this with RDB access.
+ */
+int bcm_phy_cable_test_start_rdb(struct phy_device *phydev)
+{
+ return _bcm_phy_cable_test_start(phydev, true);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_cable_test_start_rdb);
+
+int bcm_phy_cable_test_get_status_rdb(struct phy_device *phydev,
+ bool *finished)
+{
+ return _bcm_phy_cable_test_get_status(phydev, finished, true);
+}
+EXPORT_SYMBOL_GPL(bcm_phy_cable_test_get_status_rdb);
+
MODULE_DESCRIPTION("Broadcom PHY Library");
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Broadcom Corporation");
diff --git a/drivers/net/phy/bcm-phy-lib.h b/drivers/net/phy/bcm-phy-lib.h
index 129df819be8c..237a8503c9b4 100644
--- a/drivers/net/phy/bcm-phy-lib.h
+++ b/drivers/net/phy/bcm-phy-lib.h
@@ -27,8 +27,12 @@
#define AFE_HPF_TRIM_OTHERS MISC_ADDR(0x3a, 0)
+int __bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
+int __bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
+int __bcm_phy_modify_exp(struct phy_device *phydev, u16 reg, u16 mask, u16 set);
int bcm_phy_write_exp(struct phy_device *phydev, u16 reg, u16 val);
int bcm_phy_read_exp(struct phy_device *phydev, u16 reg);
+int bcm_phy_modify_exp(struct phy_device *phydev, u16 reg, u16 mask, u16 set);
static inline int bcm_phy_write_exp_sel(struct phy_device *phydev,
u16 reg, u16 val)
@@ -48,6 +52,15 @@ int bcm_phy_write_shadow(struct phy_device *phydev, u16 shadow,
u16 val);
int bcm_phy_read_shadow(struct phy_device *phydev, u16 shadow);
+int __bcm_phy_write_rdb(struct phy_device *phydev, u16 rdb, u16 val);
+int bcm_phy_write_rdb(struct phy_device *phydev, u16 rdb, u16 val);
+int __bcm_phy_read_rdb(struct phy_device *phydev, u16 rdb);
+int bcm_phy_read_rdb(struct phy_device *phydev, u16 rdb);
+int __bcm_phy_modify_rdb(struct phy_device *phydev, u16 rdb, u16 mask,
+ u16 set);
+int bcm_phy_modify_rdb(struct phy_device *phydev, u16 rdb, u16 mask,
+ u16 set);
+
int bcm_phy_ack_intr(struct phy_device *phydev);
int bcm_phy_config_intr(struct phy_device *phydev);
@@ -67,4 +80,10 @@ void bcm_phy_r_rc_cal_reset(struct phy_device *phydev);
int bcm_phy_28nm_a0b0_afe_config_init(struct phy_device *phydev);
int bcm_phy_enable_jumbo(struct phy_device *phydev);
+int bcm_phy_cable_test_get_status_rdb(struct phy_device *phydev,
+ bool *finished);
+int bcm_phy_cable_test_start_rdb(struct phy_device *phydev);
+int bcm_phy_cable_test_start(struct phy_device *phydev);
+int bcm_phy_cable_test_get_status(struct phy_device *phydev, bool *finished);
+
#endif /* _LINUX_BCM_PHY_LIB_H */
diff --git a/drivers/net/phy/bcm54140.c b/drivers/net/phy/bcm54140.c
new file mode 100644
index 000000000000..8998e68bb26b
--- /dev/null
+++ b/drivers/net/phy/bcm54140.c
@@ -0,0 +1,860 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Broadcom BCM54140 Quad SGMII/QSGMII Copper/Fiber Gigabit PHY
+ *
+ * Copyright (c) 2020 Michael Walle <michael@walle.cc>
+ */
+
+#include <linux/bitfield.h>
+#include <linux/brcmphy.h>
+#include <linux/hwmon.h>
+#include <linux/module.h>
+#include <linux/phy.h>
+
+#include "bcm-phy-lib.h"
+
+/* RDB per-port registers
+ */
+#define BCM54140_RDB_ISR 0x00a /* interrupt status */
+#define BCM54140_RDB_IMR 0x00b /* interrupt mask */
+#define BCM54140_RDB_INT_LINK BIT(1) /* link status changed */
+#define BCM54140_RDB_INT_SPEED BIT(2) /* link speed change */
+#define BCM54140_RDB_INT_DUPLEX BIT(3) /* duplex mode changed */
+#define BCM54140_RDB_SPARE1 0x012 /* spare control 1 */
+#define BCM54140_RDB_SPARE1_LSLM BIT(2) /* link speed LED mode */
+#define BCM54140_RDB_SPARE2 0x014 /* spare control 2 */
+#define BCM54140_RDB_SPARE2_WS_RTRY_DIS BIT(8) /* wirespeed retry disable */
+#define BCM54140_RDB_SPARE2_WS_RTRY_LIMIT GENMASK(4, 2) /* retry limit */
+#define BCM54140_RDB_SPARE3 0x015 /* spare control 3 */
+#define BCM54140_RDB_SPARE3_BIT0 BIT(0)
+#define BCM54140_RDB_LED_CTRL 0x019 /* LED control */
+#define BCM54140_RDB_LED_CTRL_ACTLINK0 BIT(4)
+#define BCM54140_RDB_LED_CTRL_ACTLINK1 BIT(8)
+#define BCM54140_RDB_C_APWR 0x01a /* auto power down control */
+#define BCM54140_RDB_C_APWR_SINGLE_PULSE BIT(8) /* single pulse */
+#define BCM54140_RDB_C_APWR_APD_MODE_DIS 0 /* ADP disable */
+#define BCM54140_RDB_C_APWR_APD_MODE_EN 1 /* ADP enable */
+#define BCM54140_RDB_C_APWR_APD_MODE_DIS2 2 /* ADP disable */
+#define BCM54140_RDB_C_APWR_APD_MODE_EN_ANEG 3 /* ADP enable w/ aneg */
+#define BCM54140_RDB_C_APWR_APD_MODE_MASK GENMASK(6, 5)
+#define BCM54140_RDB_C_APWR_SLP_TIM_MASK BIT(4)/* sleep timer */
+#define BCM54140_RDB_C_APWR_SLP_TIM_2_7 0 /* 2.7s */
+#define BCM54140_RDB_C_APWR_SLP_TIM_5_4 1 /* 5.4s */
+#define BCM54140_RDB_C_PWR 0x02a /* copper power control */
+#define BCM54140_RDB_C_PWR_ISOLATE BIT(5) /* super isolate mode */
+#define BCM54140_RDB_C_MISC_CTRL 0x02f /* misc copper control */
+#define BCM54140_RDB_C_MISC_CTRL_WS_EN BIT(4) /* wirespeed enable */
+
+/* RDB global registers
+ */
+#define BCM54140_RDB_TOP_IMR 0x82d /* interrupt mask */
+#define BCM54140_RDB_TOP_IMR_PORT0 BIT(4)
+#define BCM54140_RDB_TOP_IMR_PORT1 BIT(5)
+#define BCM54140_RDB_TOP_IMR_PORT2 BIT(6)
+#define BCM54140_RDB_TOP_IMR_PORT3 BIT(7)
+#define BCM54140_RDB_MON_CTRL 0x831 /* monitor control */
+#define BCM54140_RDB_MON_CTRL_V_MODE BIT(3) /* voltage mode */
+#define BCM54140_RDB_MON_CTRL_SEL_MASK GENMASK(2, 1)
+#define BCM54140_RDB_MON_CTRL_SEL_TEMP 0 /* meassure temperature */
+#define BCM54140_RDB_MON_CTRL_SEL_1V0 1 /* meassure AVDDL 1.0V */
+#define BCM54140_RDB_MON_CTRL_SEL_3V3 2 /* meassure AVDDH 3.3V */
+#define BCM54140_RDB_MON_CTRL_SEL_RR 3 /* meassure all round-robin */
+#define BCM54140_RDB_MON_CTRL_PWR_DOWN BIT(0) /* power-down monitor */
+#define BCM54140_RDB_MON_TEMP_VAL 0x832 /* temperature value */
+#define BCM54140_RDB_MON_TEMP_MAX 0x833 /* temperature high thresh */
+#define BCM54140_RDB_MON_TEMP_MIN 0x834 /* temperature low thresh */
+#define BCM54140_RDB_MON_TEMP_DATA_MASK GENMASK(9, 0)
+#define BCM54140_RDB_MON_1V0_VAL 0x835 /* AVDDL 1.0V value */
+#define BCM54140_RDB_MON_1V0_MAX 0x836 /* AVDDL 1.0V high thresh */
+#define BCM54140_RDB_MON_1V0_MIN 0x837 /* AVDDL 1.0V low thresh */
+#define BCM54140_RDB_MON_1V0_DATA_MASK GENMASK(10, 0)
+#define BCM54140_RDB_MON_3V3_VAL 0x838 /* AVDDH 3.3V value */
+#define BCM54140_RDB_MON_3V3_MAX 0x839 /* AVDDH 3.3V high thresh */
+#define BCM54140_RDB_MON_3V3_MIN 0x83a /* AVDDH 3.3V low thresh */
+#define BCM54140_RDB_MON_3V3_DATA_MASK GENMASK(11, 0)
+#define BCM54140_RDB_MON_ISR 0x83b /* interrupt status */
+#define BCM54140_RDB_MON_ISR_3V3 BIT(2) /* AVDDH 3.3V alarm */
+#define BCM54140_RDB_MON_ISR_1V0 BIT(1) /* AVDDL 1.0V alarm */
+#define BCM54140_RDB_MON_ISR_TEMP BIT(0) /* temperature alarm */
+
+/* According to the datasheet the formula is:
+ * T = 413.35 - (0.49055 * bits[9:0])
+ */
+#define BCM54140_HWMON_TO_TEMP(v) (413350L - (v) * 491)
+#define BCM54140_HWMON_FROM_TEMP(v) DIV_ROUND_CLOSEST_ULL(413350L - (v), 491)
+
+/* According to the datasheet the formula is:
+ * U = bits[11:0] / 1024 * 220 / 0.2
+ *
+ * Normalized:
+ * U = bits[11:0] / 4096 * 2514
+ */
+#define BCM54140_HWMON_TO_IN_1V0(v) ((v) * 2514 >> 11)
+#define BCM54140_HWMON_FROM_IN_1V0(v) DIV_ROUND_CLOSEST_ULL(((v) << 11), 2514)
+
+/* According to the datasheet the formula is:
+ * U = bits[10:0] / 1024 * 880 / 0.7
+ *
+ * Normalized:
+ * U = bits[10:0] / 2048 * 4400
+ */
+#define BCM54140_HWMON_TO_IN_3V3(v) ((v) * 4400 >> 12)
+#define BCM54140_HWMON_FROM_IN_3V3(v) DIV_ROUND_CLOSEST_ULL(((v) << 12), 4400)
+
+#define BCM54140_HWMON_TO_IN(ch, v) ((ch) ? BCM54140_HWMON_TO_IN_3V3(v) \
+ : BCM54140_HWMON_TO_IN_1V0(v))
+#define BCM54140_HWMON_FROM_IN(ch, v) ((ch) ? BCM54140_HWMON_FROM_IN_3V3(v) \
+ : BCM54140_HWMON_FROM_IN_1V0(v))
+#define BCM54140_HWMON_IN_MASK(ch) ((ch) ? BCM54140_RDB_MON_3V3_DATA_MASK \
+ : BCM54140_RDB_MON_1V0_DATA_MASK)
+#define BCM54140_HWMON_IN_VAL_REG(ch) ((ch) ? BCM54140_RDB_MON_3V3_VAL \
+ : BCM54140_RDB_MON_1V0_VAL)
+#define BCM54140_HWMON_IN_MIN_REG(ch) ((ch) ? BCM54140_RDB_MON_3V3_MIN \
+ : BCM54140_RDB_MON_1V0_MIN)
+#define BCM54140_HWMON_IN_MAX_REG(ch) ((ch) ? BCM54140_RDB_MON_3V3_MAX \
+ : BCM54140_RDB_MON_1V0_MAX)
+#define BCM54140_HWMON_IN_ALARM_BIT(ch) ((ch) ? BCM54140_RDB_MON_ISR_3V3 \
+ : BCM54140_RDB_MON_ISR_1V0)
+
+/* This PHY has two different PHY IDs depening on its MODE_SEL pin. This
+ * pin choses between 4x SGMII and QSGMII mode:
+ * AE02_5009 4x SGMII
+ * AE02_5019 QSGMII
+ */
+#define BCM54140_PHY_ID_MASK 0xffffffe8
+
+#define BCM54140_PHY_ID_REV(phy_id) ((phy_id) & 0x7)
+#define BCM54140_REV_B0 1
+
+#define BCM54140_DEFAULT_DOWNSHIFT 5
+#define BCM54140_MAX_DOWNSHIFT 9
+
+struct bcm54140_priv {
+ int port;
+ int base_addr;
+#if IS_ENABLED(CONFIG_HWMON)
+ /* protect the alarm bits */
+ struct mutex alarm_lock;
+ u16 alarm;
+#endif
+};
+
+#if IS_ENABLED(CONFIG_HWMON)
+static umode_t bcm54140_hwmon_is_visible(const void *data,
+ enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ switch (type) {
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_min:
+ case hwmon_in_max:
+ return 0644;
+ case hwmon_in_label:
+ case hwmon_in_input:
+ case hwmon_in_alarm:
+ return 0444;
+ default:
+ return 0;
+ }
+ case hwmon_temp:
+ switch (attr) {
+ case hwmon_temp_min:
+ case hwmon_temp_max:
+ return 0644;
+ case hwmon_temp_input:
+ case hwmon_temp_alarm:
+ return 0444;
+ default:
+ return 0;
+ }
+ default:
+ return 0;
+ }
+}
+
+static int bcm54140_hwmon_read_alarm(struct device *dev, unsigned int bit,
+ long *val)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ struct bcm54140_priv *priv = phydev->priv;
+ int tmp, ret = 0;
+
+ mutex_lock(&priv->alarm_lock);
+
+ /* latch any alarm bits */
+ tmp = bcm_phy_read_rdb(phydev, BCM54140_RDB_MON_ISR);
+ if (tmp < 0) {
+ ret = tmp;
+ goto out;
+ }
+ priv->alarm |= tmp;
+
+ *val = !!(priv->alarm & bit);
+ priv->alarm &= ~bit;
+
+out:
+ mutex_unlock(&priv->alarm_lock);
+ return ret;
+}
+
+static int bcm54140_hwmon_read_temp(struct device *dev, u32 attr, long *val)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ u16 reg;
+ int tmp;
+
+ switch (attr) {
+ case hwmon_temp_input:
+ reg = BCM54140_RDB_MON_TEMP_VAL;
+ break;
+ case hwmon_temp_min:
+ reg = BCM54140_RDB_MON_TEMP_MIN;
+ break;
+ case hwmon_temp_max:
+ reg = BCM54140_RDB_MON_TEMP_MAX;
+ break;
+ case hwmon_temp_alarm:
+ return bcm54140_hwmon_read_alarm(dev,
+ BCM54140_RDB_MON_ISR_TEMP,
+ val);
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ tmp = bcm_phy_read_rdb(phydev, reg);
+ if (tmp < 0)
+ return tmp;
+
+ *val = BCM54140_HWMON_TO_TEMP(tmp & BCM54140_RDB_MON_TEMP_DATA_MASK);
+
+ return 0;
+}
+
+static int bcm54140_hwmon_read_in(struct device *dev, u32 attr,
+ int channel, long *val)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ u16 bit, reg;
+ int tmp;
+
+ switch (attr) {
+ case hwmon_in_input:
+ reg = BCM54140_HWMON_IN_VAL_REG(channel);
+ break;
+ case hwmon_in_min:
+ reg = BCM54140_HWMON_IN_MIN_REG(channel);
+ break;
+ case hwmon_in_max:
+ reg = BCM54140_HWMON_IN_MAX_REG(channel);
+ break;
+ case hwmon_in_alarm:
+ bit = BCM54140_HWMON_IN_ALARM_BIT(channel);
+ return bcm54140_hwmon_read_alarm(dev, bit, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ tmp = bcm_phy_read_rdb(phydev, reg);
+ if (tmp < 0)
+ return tmp;
+
+ tmp &= BCM54140_HWMON_IN_MASK(channel);
+ *val = BCM54140_HWMON_TO_IN(channel, tmp);
+
+ return 0;
+}
+
+static int bcm54140_hwmon_read(struct device *dev,
+ enum hwmon_sensor_types type, u32 attr,
+ int channel, long *val)
+{
+ switch (type) {
+ case hwmon_temp:
+ return bcm54140_hwmon_read_temp(dev, attr, val);
+ case hwmon_in:
+ return bcm54140_hwmon_read_in(dev, attr, channel, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const char *const bcm54140_hwmon_in_labels[] = {
+ "AVDDL",
+ "AVDDH",
+};
+
+static int bcm54140_hwmon_read_string(struct device *dev,
+ enum hwmon_sensor_types type, u32 attr,
+ int channel, const char **str)
+{
+ switch (type) {
+ case hwmon_in:
+ switch (attr) {
+ case hwmon_in_label:
+ *str = bcm54140_hwmon_in_labels[channel];
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int bcm54140_hwmon_write_temp(struct device *dev, u32 attr,
+ int channel, long val)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ u16 mask = BCM54140_RDB_MON_TEMP_DATA_MASK;
+ u16 reg;
+
+ val = clamp_val(val, BCM54140_HWMON_TO_TEMP(mask),
+ BCM54140_HWMON_TO_TEMP(0));
+
+ switch (attr) {
+ case hwmon_temp_min:
+ reg = BCM54140_RDB_MON_TEMP_MIN;
+ break;
+ case hwmon_temp_max:
+ reg = BCM54140_RDB_MON_TEMP_MAX;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return bcm_phy_modify_rdb(phydev, reg, mask,
+ BCM54140_HWMON_FROM_TEMP(val));
+}
+
+static int bcm54140_hwmon_write_in(struct device *dev, u32 attr,
+ int channel, long val)
+{
+ struct phy_device *phydev = dev_get_drvdata(dev);
+ u16 mask = BCM54140_HWMON_IN_MASK(channel);
+ u16 reg;
+
+ val = clamp_val(val, 0, BCM54140_HWMON_TO_IN(channel, mask));
+
+ switch (attr) {
+ case hwmon_in_min:
+ reg = BCM54140_HWMON_IN_MIN_REG(channel);
+ break;
+ case hwmon_in_max:
+ reg = BCM54140_HWMON_IN_MAX_REG(channel);
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return bcm_phy_modify_rdb(phydev, reg, mask,
+ BCM54140_HWMON_FROM_IN(channel, val));
+}
+
+static int bcm54140_hwmon_write(struct device *dev,
+ enum hwmon_sensor_types type, u32 attr,
+ int channel, long val)
+{
+ switch (type) {
+ case hwmon_temp:
+ return bcm54140_hwmon_write_temp(dev, attr, channel, val);
+ case hwmon_in:
+ return bcm54140_hwmon_write_in(dev, attr, channel, val);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const struct hwmon_channel_info *bcm54140_hwmon_info[] = {
+ HWMON_CHANNEL_INFO(temp,
+ HWMON_T_INPUT | HWMON_T_MIN | HWMON_T_MAX |
+ HWMON_T_ALARM),
+ HWMON_CHANNEL_INFO(in,
+ HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
+ HWMON_I_ALARM | HWMON_I_LABEL,
+ HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_MAX |
+ HWMON_I_ALARM | HWMON_I_LABEL),
+ NULL
+};
+
+static const struct hwmon_ops bcm54140_hwmon_ops = {
+ .is_visible = bcm54140_hwmon_is_visible,
+ .read = bcm54140_hwmon_read,
+ .read_string = bcm54140_hwmon_read_string,
+ .write = bcm54140_hwmon_write,
+};
+
+static const struct hwmon_chip_info bcm54140_chip_info = {
+ .ops = &bcm54140_hwmon_ops,
+ .info = bcm54140_hwmon_info,
+};
+
+static int bcm54140_enable_monitoring(struct phy_device *phydev)
+{
+ u16 mask, set;
+
+ /* 3.3V voltage mode */
+ set = BCM54140_RDB_MON_CTRL_V_MODE;
+
+ /* select round-robin */
+ mask = BCM54140_RDB_MON_CTRL_SEL_MASK;
+ set |= FIELD_PREP(BCM54140_RDB_MON_CTRL_SEL_MASK,
+ BCM54140_RDB_MON_CTRL_SEL_RR);
+
+ /* remove power-down bit */
+ mask |= BCM54140_RDB_MON_CTRL_PWR_DOWN;
+
+ return bcm_phy_modify_rdb(phydev, BCM54140_RDB_MON_CTRL, mask, set);
+}
+
+static int bcm54140_probe_once(struct phy_device *phydev)
+{
+ struct device *hwmon;
+ int ret;
+
+ /* enable hardware monitoring */
+ ret = bcm54140_enable_monitoring(phydev);
+ if (ret)
+ return ret;
+
+ hwmon = devm_hwmon_device_register_with_info(&phydev->mdio.dev,
+ "BCM54140", phydev,
+ &bcm54140_chip_info,
+ NULL);
+ return PTR_ERR_OR_ZERO(hwmon);
+}
+#endif
+
+static int bcm54140_base_read_rdb(struct phy_device *phydev, u16 rdb)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __phy_package_write(phydev, MII_BCM54XX_RDB_ADDR, rdb);
+ if (ret < 0)
+ goto out;
+
+ ret = __phy_package_read(phydev, MII_BCM54XX_RDB_DATA);
+
+out:
+ phy_unlock_mdio_bus(phydev);
+ return ret;
+}
+
+static int bcm54140_base_write_rdb(struct phy_device *phydev,
+ u16 rdb, u16 val)
+{
+ int ret;
+
+ phy_lock_mdio_bus(phydev);
+ ret = __phy_package_write(phydev, MII_BCM54XX_RDB_ADDR, rdb);
+ if (ret < 0)
+ goto out;
+
+ ret = __phy_package_write(phydev, MII_BCM54XX_RDB_DATA, val);
+
+out:
+ phy_unlock_mdio_bus(phydev);
+ return ret;
+}
+
+/* Under some circumstances a core PLL may not lock, this will then prevent
+ * a successful link establishment. Restart the PLL after the voltages are
+ * stable to workaround this issue.
+ */
+static int bcm54140_b0_workaround(struct phy_device *phydev)
+{
+ int spare3;
+ int ret;
+
+ spare3 = bcm_phy_read_rdb(phydev, BCM54140_RDB_SPARE3);
+ if (spare3 < 0)
+ return spare3;
+
+ spare3 &= ~BCM54140_RDB_SPARE3_BIT0;
+
+ ret = bcm_phy_write_rdb(phydev, BCM54140_RDB_SPARE3, spare3);
+ if (ret)
+ return ret;
+
+ ret = phy_modify(phydev, MII_BMCR, 0, BMCR_PDOWN);
+ if (ret)
+ return ret;
+
+ ret = phy_modify(phydev, MII_BMCR, BMCR_PDOWN, 0);
+ if (ret)
+ return ret;
+
+ spare3 |= BCM54140_RDB_SPARE3_BIT0;
+
+ return bcm_phy_write_rdb(phydev, BCM54140_RDB_SPARE3, spare3);
+}
+
+/* The BCM54140 is a quad PHY where only the first port has access to the
+ * global register. Thus we need to find out its PHY address.
+ *
+ */
+static int bcm54140_get_base_addr_and_port(struct phy_device *phydev)
+{
+ struct bcm54140_priv *priv = phydev->priv;
+ struct mii_bus *bus = phydev->mdio.bus;
+ int addr, min_addr, max_addr;
+ int step = 1;
+ u32 phy_id;
+ int tmp;
+
+ min_addr = phydev->mdio.addr;
+ max_addr = phydev->mdio.addr;
+ addr = phydev->mdio.addr;
+
+ /* We scan forward and backwards and look for PHYs which have the
+ * same phy_id like we do. Step 1 will scan forward, step 2
+ * backwards. Once we are finished, we have a min_addr and
+ * max_addr which resembles the range of PHY addresses of the same
+ * type of PHY. There is one caveat; there may be many PHYs of
+ * the same type, but we know that each PHY takes exactly 4
+ * consecutive addresses. Therefore we can deduce our offset
+ * to the base address of this quad PHY.
+ */
+
+ while (1) {
+ if (step == 3) {
+ break;
+ } else if (step == 1) {
+ max_addr = addr;
+ addr++;
+ } else {
+ min_addr = addr;
+ addr--;
+ }
+
+ if (addr < 0 || addr >= PHY_MAX_ADDR) {
+ addr = phydev->mdio.addr;
+ step++;
+ continue;
+ }
+
+ /* read the PHY id */
+ tmp = mdiobus_read(bus, addr, MII_PHYSID1);
+ if (tmp < 0)
+ return tmp;
+ phy_id = tmp << 16;
+ tmp = mdiobus_read(bus, addr, MII_PHYSID2);
+ if (tmp < 0)
+ return tmp;
+ phy_id |= tmp;
+
+ /* see if it is still the same PHY */
+ if ((phy_id & phydev->drv->phy_id_mask) !=
+ (phydev->drv->phy_id & phydev->drv->phy_id_mask)) {
+ addr = phydev->mdio.addr;
+ step++;
+ }
+ }
+
+ /* The range we get should be a multiple of four. Please note that both
+ * the min_addr and max_addr are inclusive. So we have to add one if we
+ * subtract them.
+ */
+ if ((max_addr - min_addr + 1) % 4) {
+ dev_err(&phydev->mdio.dev,
+ "Detected Quad PHY IDs %d..%d doesn't make sense.\n",
+ min_addr, max_addr);
+ return -EINVAL;
+ }
+
+ priv->port = (phydev->mdio.addr - min_addr) % 4;
+ priv->base_addr = phydev->mdio.addr - priv->port;
+
+ return 0;
+}
+
+static int bcm54140_probe(struct phy_device *phydev)
+{
+ struct bcm54140_priv *priv;
+ int ret;
+
+ priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ phydev->priv = priv;
+
+ ret = bcm54140_get_base_addr_and_port(phydev);
+ if (ret)
+ return ret;
+
+ devm_phy_package_join(&phydev->mdio.dev, phydev, priv->base_addr, 0);
+
+#if IS_ENABLED(CONFIG_HWMON)
+ mutex_init(&priv->alarm_lock);
+
+ if (phy_package_init_once(phydev)) {
+ ret = bcm54140_probe_once(phydev);
+ if (ret)
+ return ret;
+ }
+#endif
+
+ phydev_dbg(phydev, "probed (port %d, base PHY address %d)\n",
+ priv->port, priv->base_addr);
+
+ return 0;
+}
+
+static int bcm54140_config_init(struct phy_device *phydev)
+{
+ u16 reg = 0xffff;
+ int ret;
+
+ /* Apply hardware errata */
+ if (BCM54140_PHY_ID_REV(phydev->phy_id) == BCM54140_REV_B0) {
+ ret = bcm54140_b0_workaround(phydev);
+ if (ret)
+ return ret;
+ }
+
+ /* Unmask events we are interested in. */
+ reg &= ~(BCM54140_RDB_INT_DUPLEX |
+ BCM54140_RDB_INT_SPEED |
+ BCM54140_RDB_INT_LINK);
+ ret = bcm_phy_write_rdb(phydev, BCM54140_RDB_IMR, reg);
+ if (ret)
+ return ret;
+
+ /* LED1=LINKSPD[1], LED2=LINKSPD[2], LED3=LINK/ACTIVITY */
+ ret = bcm_phy_modify_rdb(phydev, BCM54140_RDB_SPARE1,
+ 0, BCM54140_RDB_SPARE1_LSLM);
+ if (ret)
+ return ret;
+
+ ret = bcm_phy_modify_rdb(phydev, BCM54140_RDB_LED_CTRL,
+ 0, BCM54140_RDB_LED_CTRL_ACTLINK0);
+ if (ret)
+ return ret;
+
+ /* disable super isolate mode */
+ return bcm_phy_modify_rdb(phydev, BCM54140_RDB_C_PWR,
+ BCM54140_RDB_C_PWR_ISOLATE, 0);
+}
+
+static int bcm54140_did_interrupt(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = bcm_phy_read_rdb(phydev, BCM54140_RDB_ISR);
+
+ return (ret < 0) ? 0 : ret;
+}
+
+static int bcm54140_ack_intr(struct phy_device *phydev)
+{
+ int reg;
+
+ /* clear pending interrupts */
+ reg = bcm_phy_read_rdb(phydev, BCM54140_RDB_ISR);
+ if (reg < 0)
+ return reg;
+
+ return 0;
+}
+
+static int bcm54140_config_intr(struct phy_device *phydev)
+{
+ struct bcm54140_priv *priv = phydev->priv;
+ static const u16 port_to_imr_bit[] = {
+ BCM54140_RDB_TOP_IMR_PORT0, BCM54140_RDB_TOP_IMR_PORT1,
+ BCM54140_RDB_TOP_IMR_PORT2, BCM54140_RDB_TOP_IMR_PORT3,
+ };
+ int reg;
+
+ if (priv->port >= ARRAY_SIZE(port_to_imr_bit))
+ return -EINVAL;
+
+ reg = bcm54140_base_read_rdb(phydev, BCM54140_RDB_TOP_IMR);
+ if (reg < 0)
+ return reg;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ reg &= ~port_to_imr_bit[priv->port];
+ else
+ reg |= port_to_imr_bit[priv->port];
+
+ return bcm54140_base_write_rdb(phydev, BCM54140_RDB_TOP_IMR, reg);
+}
+
+static int bcm54140_get_downshift(struct phy_device *phydev, u8 *data)
+{
+ int val;
+
+ val = bcm_phy_read_rdb(phydev, BCM54140_RDB_C_MISC_CTRL);
+ if (val < 0)
+ return val;
+
+ if (!(val & BCM54140_RDB_C_MISC_CTRL_WS_EN)) {
+ *data = DOWNSHIFT_DEV_DISABLE;
+ return 0;
+ }
+
+ val = bcm_phy_read_rdb(phydev, BCM54140_RDB_SPARE2);
+ if (val < 0)
+ return val;
+
+ if (val & BCM54140_RDB_SPARE2_WS_RTRY_DIS)
+ *data = 1;
+ else
+ *data = FIELD_GET(BCM54140_RDB_SPARE2_WS_RTRY_LIMIT, val) + 2;
+
+ return 0;
+}
+
+static int bcm54140_set_downshift(struct phy_device *phydev, u8 cnt)
+{
+ u16 mask, set;
+ int ret;
+
+ if (cnt > BCM54140_MAX_DOWNSHIFT && cnt != DOWNSHIFT_DEV_DEFAULT_COUNT)
+ return -EINVAL;
+
+ if (!cnt)
+ return bcm_phy_modify_rdb(phydev, BCM54140_RDB_C_MISC_CTRL,
+ BCM54140_RDB_C_MISC_CTRL_WS_EN, 0);
+
+ if (cnt == DOWNSHIFT_DEV_DEFAULT_COUNT)
+ cnt = BCM54140_DEFAULT_DOWNSHIFT;
+
+ if (cnt == 1) {
+ mask = 0;
+ set = BCM54140_RDB_SPARE2_WS_RTRY_DIS;
+ } else {
+ mask = BCM54140_RDB_SPARE2_WS_RTRY_DIS;
+ mask |= BCM54140_RDB_SPARE2_WS_RTRY_LIMIT;
+ set = FIELD_PREP(BCM54140_RDB_SPARE2_WS_RTRY_LIMIT, cnt - 2);
+ }
+ ret = bcm_phy_modify_rdb(phydev, BCM54140_RDB_SPARE2,
+ mask, set);
+ if (ret)
+ return ret;
+
+ return bcm_phy_modify_rdb(phydev, BCM54140_RDB_C_MISC_CTRL,
+ 0, BCM54140_RDB_C_MISC_CTRL_WS_EN);
+}
+
+static int bcm54140_get_edpd(struct phy_device *phydev, u16 *tx_interval)
+{
+ int val;
+
+ val = bcm_phy_read_rdb(phydev, BCM54140_RDB_C_APWR);
+ if (val < 0)
+ return val;
+
+ switch (FIELD_GET(BCM54140_RDB_C_APWR_APD_MODE_MASK, val)) {
+ case BCM54140_RDB_C_APWR_APD_MODE_DIS:
+ case BCM54140_RDB_C_APWR_APD_MODE_DIS2:
+ *tx_interval = ETHTOOL_PHY_EDPD_DISABLE;
+ break;
+ case BCM54140_RDB_C_APWR_APD_MODE_EN:
+ case BCM54140_RDB_C_APWR_APD_MODE_EN_ANEG:
+ switch (FIELD_GET(BCM54140_RDB_C_APWR_SLP_TIM_MASK, val)) {
+ case BCM54140_RDB_C_APWR_SLP_TIM_2_7:
+ *tx_interval = 2700;
+ break;
+ case BCM54140_RDB_C_APWR_SLP_TIM_5_4:
+ *tx_interval = 5400;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int bcm54140_set_edpd(struct phy_device *phydev, u16 tx_interval)
+{
+ u16 mask, set;
+
+ mask = BCM54140_RDB_C_APWR_APD_MODE_MASK;
+ if (tx_interval == ETHTOOL_PHY_EDPD_DISABLE)
+ set = FIELD_PREP(BCM54140_RDB_C_APWR_APD_MODE_MASK,
+ BCM54140_RDB_C_APWR_APD_MODE_DIS);
+ else
+ set = FIELD_PREP(BCM54140_RDB_C_APWR_APD_MODE_MASK,
+ BCM54140_RDB_C_APWR_APD_MODE_EN_ANEG);
+
+ /* enable single pulse mode */
+ set |= BCM54140_RDB_C_APWR_SINGLE_PULSE;
+
+ /* set sleep timer */
+ mask |= BCM54140_RDB_C_APWR_SLP_TIM_MASK;
+ switch (tx_interval) {
+ case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS:
+ case ETHTOOL_PHY_EDPD_DISABLE:
+ case 2700:
+ set |= BCM54140_RDB_C_APWR_SLP_TIM_2_7;
+ break;
+ case 5400:
+ set |= BCM54140_RDB_C_APWR_SLP_TIM_5_4;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return bcm_phy_modify_rdb(phydev, BCM54140_RDB_C_APWR, mask, set);
+}
+
+static int bcm54140_get_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_DOWNSHIFT:
+ return bcm54140_get_downshift(phydev, data);
+ case ETHTOOL_PHY_EDPD:
+ return bcm54140_get_edpd(phydev, data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int bcm54140_set_tunable(struct phy_device *phydev,
+ struct ethtool_tunable *tuna, const void *data)
+{
+ switch (tuna->id) {
+ case ETHTOOL_PHY_DOWNSHIFT:
+ return bcm54140_set_downshift(phydev, *(const u8 *)data);
+ case ETHTOOL_PHY_EDPD:
+ return bcm54140_set_edpd(phydev, *(const u16 *)data);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static struct phy_driver bcm54140_drivers[] = {
+ {
+ .phy_id = PHY_ID_BCM54140,
+ .phy_id_mask = BCM54140_PHY_ID_MASK,
+ .name = "Broadcom BCM54140",
+ .flags = PHY_POLL_CABLE_TEST,
+ .features = PHY_GBIT_FEATURES,
+ .config_init = bcm54140_config_init,
+ .did_interrupt = bcm54140_did_interrupt,
+ .ack_interrupt = bcm54140_ack_intr,
+ .config_intr = bcm54140_config_intr,
+ .probe = bcm54140_probe,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .soft_reset = genphy_soft_reset,
+ .get_tunable = bcm54140_get_tunable,
+ .set_tunable = bcm54140_set_tunable,
+ .cable_test_start = bcm_phy_cable_test_start_rdb,
+ .cable_test_get_status = bcm_phy_cable_test_get_status_rdb,
+ },
+};
+module_phy_driver(bcm54140_drivers);
+
+static struct mdio_device_id __maybe_unused bcm54140_tbl[] = {
+ { PHY_ID_BCM54140, BCM54140_PHY_ID_MASK },
+ { }
+};
+
+MODULE_AUTHOR("Michael Walle");
+MODULE_DESCRIPTION("Broadcom BCM54140 PHY driver");
+MODULE_DEVICE_TABLE(mdio, bcm54140_tbl);
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/phy/bcm84881.c b/drivers/net/phy/bcm84881.c
index 3840d2adbbb9..9717a1626f3f 100644
--- a/drivers/net/phy/bcm84881.c
+++ b/drivers/net/phy/bcm84881.c
@@ -155,9 +155,6 @@ static int bcm84881_read_status(struct phy_device *phydev)
if (phydev->autoneg == AUTONEG_ENABLE && !phydev->autoneg_complete)
phydev->link = false;
- if (!phydev->link)
- return 0;
-
linkmode_zero(phydev->lp_advertising);
phydev->speed = SPEED_UNKNOWN;
phydev->duplex = DUPLEX_UNKNOWN;
@@ -165,6 +162,9 @@ static int bcm84881_read_status(struct phy_device *phydev)
phydev->asym_pause = 0;
phydev->mdix = 0;
+ if (!phydev->link)
+ return 0;
+
if (phydev->autoneg_complete) {
val = genphy_c45_read_lpa(phydev);
if (val < 0)
diff --git a/drivers/net/phy/bcm87xx.c b/drivers/net/phy/bcm87xx.c
index f6dce6850850..df360e1c5069 100644
--- a/drivers/net/phy/bcm87xx.c
+++ b/drivers/net/phy/bcm87xx.c
@@ -55,7 +55,7 @@ static int bcm87xx_of_reg_init(struct phy_device *phydev)
u16 mask = be32_to_cpup(paddr++);
u16 val_bits = be32_to_cpup(paddr++);
int val;
- u32 regnum = MII_ADDR_C45 | (devid << 16) | reg;
+ u32 regnum = mdiobus_c45_addr(devid, reg);
val = 0;
if (mask) {
val = phy_read(phydev, regnum);
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index ae4873f2f86e..cd271de9609b 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -195,7 +195,8 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 &&
BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M &&
- BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54810)
+ BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54810 &&
+ BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54811)
return;
val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
@@ -214,8 +215,10 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
clk125en = false;
} else {
if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
- /* Here, bit 0 _enables_ CLK125 when set */
- val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
+ if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54811) {
+ /* Here, bit 0 _enables_ CLK125 when set */
+ val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
+ }
clk125en = false;
}
}
@@ -225,8 +228,13 @@ static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
else
val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
- if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY)
- val |= BCM54XX_SHD_SCR3_TRDDAPD;
+ if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) {
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810 ||
+ BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54811)
+ val |= BCM54810_SHD_SCR3_TRDDAPD;
+ else
+ val |= BCM54XX_SHD_SCR3_TRDDAPD;
+ }
if (orig != val)
bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
@@ -327,6 +335,32 @@ static int bcm54xx_resume(struct phy_device *phydev)
return bcm54xx_config_init(phydev);
}
+static int bcm54811_config_init(struct phy_device *phydev)
+{
+ int err, reg;
+
+ /* Disable BroadR-Reach function. */
+ reg = bcm_phy_read_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL);
+ reg &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
+ err = bcm_phy_write_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL,
+ reg);
+ if (err < 0)
+ return err;
+
+ err = bcm54xx_config_init(phydev);
+
+ /* Enable CLK125 MUX on LED4 if ref clock is enabled. */
+ if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
+ reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
+ err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
+ BCM54612E_LED4_CLK125OUT_EN | reg);
+ if (err < 0)
+ return err;
+ }
+
+ return err;
+}
+
static int bcm5482_config_init(struct phy_device *phydev)
{
int err, reg;
@@ -723,6 +757,17 @@ static struct phy_driver broadcom_drivers[] = {
.suspend = genphy_suspend,
.resume = bcm54xx_resume,
}, {
+ .phy_id = PHY_ID_BCM54811,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM54811",
+ /* PHY_GBIT_FEATURES */
+ .config_init = bcm54811_config_init,
+ .config_aneg = bcm5481_config_aneg,
+ .ack_interrupt = bcm_phy_ack_intr,
+ .config_intr = bcm_phy_config_intr,
+ .suspend = genphy_suspend,
+ .resume = bcm54xx_resume,
+}, {
.phy_id = PHY_ID_BCM5482,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5482",
@@ -782,6 +827,19 @@ static struct phy_driver broadcom_drivers[] = {
.get_stats = bcm53xx_phy_get_stats,
.probe = bcm53xx_phy_probe,
}, {
+ .phy_id = PHY_ID_BCM53125,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM53125",
+ .flags = PHY_IS_INTERNAL,
+ /* PHY_GBIT_FEATURES */
+ .get_sset_count = bcm_phy_get_sset_count,
+ .get_strings = bcm_phy_get_strings,
+ .get_stats = bcm53xx_phy_get_stats,
+ .probe = bcm53xx_phy_probe,
+ .config_init = bcm54xx_config_init,
+ .ack_interrupt = bcm_phy_ack_intr,
+ .config_intr = bcm_phy_config_intr,
+}, {
.phy_id = PHY_ID_BCM89610,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM89610",
@@ -803,6 +861,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
{ PHY_ID_BCM5464, 0xfffffff0 },
{ PHY_ID_BCM5481, 0xfffffff0 },
{ PHY_ID_BCM54810, 0xfffffff0 },
+ { PHY_ID_BCM54811, 0xfffffff0 },
{ PHY_ID_BCM5482, 0xfffffff0 },
{ PHY_ID_BCM50610, 0xfffffff0 },
{ PHY_ID_BCM50610M, 0xfffffff0 },
@@ -810,6 +869,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
{ PHY_ID_BCMAC131, 0xfffffff0 },
{ PHY_ID_BCM5241, 0xfffffff0 },
{ PHY_ID_BCM5395, 0xfffffff0 },
+ { PHY_ID_BCM53125, 0xfffffff0 },
{ PHY_ID_BCM89610, 0xfffffff0 },
{ }
};
diff --git a/drivers/net/phy/cortina.c b/drivers/net/phy/cortina.c
index 856cdc36aacd..40514a94e6ff 100644
--- a/drivers/net/phy/cortina.c
+++ b/drivers/net/phy/cortina.c
@@ -17,8 +17,7 @@
static int cortina_read_reg(struct phy_device *phydev, u16 regnum)
{
- return mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
- MII_ADDR_C45 | regnum);
+ return mdiobus_c45_read(phydev->mdio.bus, phydev->mdio.addr, 0, regnum);
}
static int cortina_read_status(struct phy_device *phydev)
@@ -82,7 +81,6 @@ static struct phy_driver cortina_driver[] = {
.features = PHY_10GBIT_FEATURES,
.config_aneg = gen10g_config_aneg,
.read_status = cortina_read_status,
- .soft_reset = genphy_no_soft_reset,
.probe = cortina_probe,
},
};
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index 415c27310982..ecbd5e0d685c 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -1120,7 +1120,7 @@ static struct dp83640_clock *dp83640_clock_get_bus(struct mii_bus *bus)
goto out;
}
dp83640_clock_init(clock, bus);
- list_add_tail(&phyter_clocks, &clock->list);
+ list_add_tail(&clock->list, &phyter_clocks);
out:
mutex_unlock(&phyter_clocks_lock);
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index fe9aa3ad52a7..1dd19d0cb269 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -137,19 +137,18 @@ static int dp83822_set_wol(struct phy_device *phydev,
value &= ~DP83822_WOL_SECURE_ON;
}
- value |= (DP83822_WOL_EN | DP83822_WOL_INDICATION_SEL |
- DP83822_WOL_CLR_INDICATION);
- phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG,
- value);
+ /* Clear any pending WoL interrupt */
+ phy_read(phydev, MII_DP83822_MISR2);
+
+ value |= DP83822_WOL_EN | DP83822_WOL_INDICATION_SEL |
+ DP83822_WOL_CLR_INDICATION;
+
+ return phy_write_mmd(phydev, DP83822_DEVADDR,
+ MII_DP83822_WOL_CFG, value);
} else {
- value = phy_read_mmd(phydev, DP83822_DEVADDR,
- MII_DP83822_WOL_CFG);
- value &= ~DP83822_WOL_EN;
- phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG,
- value);
+ return phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
+ MII_DP83822_WOL_CFG, DP83822_WOL_EN);
}
-
- return 0;
}
static void dp83822_get_wol(struct phy_device *phydev,
@@ -258,12 +257,11 @@ static int dp83822_config_intr(struct phy_device *phydev)
static int dp83822_config_init(struct phy_device *phydev)
{
- int value;
-
- value = DP83822_WOL_MAGIC_EN | DP83822_WOL_SECURE_ON | DP83822_WOL_EN;
+ int value = DP83822_WOL_EN | DP83822_WOL_MAGIC_EN |
+ DP83822_WOL_SECURE_ON;
- return phy_write_mmd(phydev, DP83822_DEVADDR, MII_DP83822_WOL_CFG,
- value);
+ return phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
+ MII_DP83822_WOL_CFG, value);
}
static int dp83822_phy_reset(struct phy_device *phydev)
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index b55e3c0403ed..4017ae1692d8 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -365,7 +365,7 @@ static int dp83867_get_downshift(struct phy_device *phydev, u8 *data)
break;
default:
return -EINVAL;
- };
+ }
*data = enable ? count : DOWNSHIFT_DEV_DISABLE;
@@ -400,7 +400,7 @@ static int dp83867_set_downshift(struct phy_device *phydev, u8 cnt)
phydev_err(phydev,
"Downshift count must be 1, 2, 4 or 8\n");
return -EINVAL;
- };
+ }
val = DP83867_DOWNSHIFT_EN;
val |= FIELD_PREP(DP83867_DOWNSHIFT_ATTEMPT_MASK, count);
diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index 7996a4aea8d2..cfb22a21a2e6 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -65,7 +65,9 @@
#define DP83869_RGMII_RX_CLK_DELAY_EN BIT(0)
/* STRAP_STS1 bits */
+#define DP83869_STRAP_OP_MODE_MASK GENMASK(2, 0)
#define DP83869_STRAP_STS1_RESERVED BIT(11)
+#define DP83869_STRAP_MIRROR_ENABLED BIT(12)
/* PHYCTRL bits */
#define DP83869_RX_FIFO_SHIFT 12
@@ -160,6 +162,20 @@ static int dp83869_config_port_mirroring(struct phy_device *phydev)
DP83869_CFG3_PORT_MIRROR_EN);
}
+static int dp83869_set_strapped_mode(struct phy_device *phydev)
+{
+ struct dp83869_private *dp83869 = phydev->priv;
+ int val;
+
+ val = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1);
+ if (val < 0)
+ return val;
+
+ dp83869->mode = val & DP83869_STRAP_OP_MODE_MASK;
+
+ return 0;
+}
+
#ifdef CONFIG_OF_MDIO
static int dp83869_of_init(struct phy_device *phydev)
{
@@ -184,6 +200,10 @@ static int dp83869_of_init(struct phy_device *phydev)
if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET ||
dp83869->mode > DP83869_SGMII_COPPER_ETHERNET)
return -EINVAL;
+ } else {
+ ret = dp83869_set_strapped_mode(phydev);
+ if (ret)
+ return ret;
}
if (of_property_read_bool(of_node, "ti,max-output-impedance"))
@@ -191,10 +211,18 @@ static int dp83869_of_init(struct phy_device *phydev)
else if (of_property_read_bool(of_node, "ti,min-output-impedance"))
dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN;
- if (of_property_read_bool(of_node, "enet-phy-lane-swap"))
+ if (of_property_read_bool(of_node, "enet-phy-lane-swap")) {
dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;
- else
- dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;
+ } else {
+ /* If the lane swap is not in the DT then check the straps */
+ ret = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1);
+ if (ret < 0)
+ return ret;
+ if (ret & DP83869_STRAP_MIRROR_ENABLED)
+ dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;
+ else
+ dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;
+ }
if (of_property_read_u32(of_node, "rx-fifo-depth",
&dp83869->rx_fifo_depth))
@@ -209,7 +237,7 @@ static int dp83869_of_init(struct phy_device *phydev)
#else
static int dp83869_of_init(struct phy_device *phydev)
{
- return 0;
+ return dp83869_set_strapped_mode(phydev);
}
#endif /* CONFIG_OF_MDIO */
diff --git a/drivers/net/phy/dp83tc811.c b/drivers/net/phy/dp83tc811.c
index 06f08832ebcd..d73725312c7c 100644
--- a/drivers/net/phy/dp83tc811.c
+++ b/drivers/net/phy/dp83tc811.c
@@ -139,16 +139,19 @@ static int dp83811_set_wol(struct phy_device *phydev,
value &= ~DP83811_WOL_SECURE_ON;
}
- value |= (DP83811_WOL_EN | DP83811_WOL_INDICATION_SEL |
- DP83811_WOL_CLR_INDICATION);
- phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG,
- value);
+ /* Clear any pending WoL interrupt */
+ phy_read(phydev, MII_DP83811_INT_STAT1);
+
+ value |= DP83811_WOL_EN | DP83811_WOL_INDICATION_SEL |
+ DP83811_WOL_CLR_INDICATION;
+
+ return phy_write_mmd(phydev, DP83811_DEVADDR,
+ MII_DP83811_WOL_CFG, value);
} else {
- phy_clear_bits_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG,
- DP83811_WOL_EN);
+ return phy_clear_bits_mmd(phydev, DP83811_DEVADDR,
+ MII_DP83811_WOL_CFG, DP83811_WOL_EN);
}
- return 0;
}
static void dp83811_get_wol(struct phy_device *phydev,
@@ -292,8 +295,8 @@ static int dp83811_config_init(struct phy_device *phydev)
value = DP83811_WOL_MAGIC_EN | DP83811_WOL_SECURE_ON | DP83811_WOL_EN;
- return phy_write_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG,
- value);
+ return phy_clear_bits_mmd(phydev, DP83811_DEVADDR, MII_DP83811_WOL_CFG,
+ value);
}
static int dp83811_phy_reset(struct phy_device *phydev)
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 7fc8e10c5f33..4ea226566cec 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -27,6 +27,7 @@
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
+#include <linux/ethtool_netlink.h>
#include <linux/phy.h>
#include <linux/marvell_phy.h>
#include <linux/bitfield.h>
@@ -41,7 +42,9 @@
#define MII_MARVELL_FIBER_PAGE 0x01
#define MII_MARVELL_MSCR_PAGE 0x02
#define MII_MARVELL_LED_PAGE 0x03
+#define MII_MARVELL_VCT5_PAGE 0x05
#define MII_MARVELL_MISC_TEST_PAGE 0x06
+#define MII_MARVELL_VCT7_PAGE 0x07
#define MII_MARVELL_WOL_PAGE 0x11
#define MII_M1011_IEVENT 0x13
@@ -162,6 +165,90 @@
#define MII_88E1510_GEN_CTRL_REG_1_MODE_SGMII 0x1 /* SGMII to copper */
#define MII_88E1510_GEN_CTRL_REG_1_RESET 0x8000 /* Soft reset */
+#define MII_VCT5_TX_RX_MDI0_COUPLING 0x10
+#define MII_VCT5_TX_RX_MDI1_COUPLING 0x11
+#define MII_VCT5_TX_RX_MDI2_COUPLING 0x12
+#define MII_VCT5_TX_RX_MDI3_COUPLING 0x13
+#define MII_VCT5_TX_RX_AMPLITUDE_MASK 0x7f00
+#define MII_VCT5_TX_RX_AMPLITUDE_SHIFT 8
+#define MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION BIT(15)
+
+#define MII_VCT5_CTRL 0x17
+#define MII_VCT5_CTRL_ENABLE BIT(15)
+#define MII_VCT5_CTRL_COMPLETE BIT(14)
+#define MII_VCT5_CTRL_TX_SAME_CHANNEL (0x0 << 11)
+#define MII_VCT5_CTRL_TX0_CHANNEL (0x4 << 11)
+#define MII_VCT5_CTRL_TX1_CHANNEL (0x5 << 11)
+#define MII_VCT5_CTRL_TX2_CHANNEL (0x6 << 11)
+#define MII_VCT5_CTRL_TX3_CHANNEL (0x7 << 11)
+#define MII_VCT5_CTRL_SAMPLES_2 (0x0 << 8)
+#define MII_VCT5_CTRL_SAMPLES_4 (0x1 << 8)
+#define MII_VCT5_CTRL_SAMPLES_8 (0x2 << 8)
+#define MII_VCT5_CTRL_SAMPLES_16 (0x3 << 8)
+#define MII_VCT5_CTRL_SAMPLES_32 (0x4 << 8)
+#define MII_VCT5_CTRL_SAMPLES_64 (0x5 << 8)
+#define MII_VCT5_CTRL_SAMPLES_128 (0x6 << 8)
+#define MII_VCT5_CTRL_SAMPLES_DEFAULT (0x6 << 8)
+#define MII_VCT5_CTRL_SAMPLES_256 (0x7 << 8)
+#define MII_VCT5_CTRL_SAMPLES_SHIFT 8
+#define MII_VCT5_CTRL_MODE_MAXIMUM_PEEK (0x0 << 6)
+#define MII_VCT5_CTRL_MODE_FIRST_LAST_PEEK (0x1 << 6)
+#define MII_VCT5_CTRL_MODE_OFFSET (0x2 << 6)
+#define MII_VCT5_CTRL_SAMPLE_POINT (0x3 << 6)
+#define MII_VCT5_CTRL_PEEK_HYST_DEFAULT 3
+
+#define MII_VCT5_SAMPLE_POINT_DISTANCE 0x18
+#define MII_VCT5_SAMPLE_POINT_DISTANCE_MAX 511
+#define MII_VCT5_TX_PULSE_CTRL 0x1c
+#define MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN BIT(12)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS (0x0 << 10)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_96nS (0x1 << 10)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_64nS (0x2 << 10)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS (0x3 << 10)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_SHIFT 10
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_1000mV (0x0 << 8)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_750mV (0x1 << 8)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_500mV (0x2 << 8)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_250mV (0x3 << 8)
+#define MII_VCT5_TX_PULSE_CTRL_PULSE_AMPLITUDE_SHIFT 8
+#define MII_VCT5_TX_PULSE_CTRL_MAX_AMP BIT(7)
+#define MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV (0x6 << 0)
+
+/* For TDR measurements less than 11 meters, a short pulse should be
+ * used.
+ */
+#define TDR_SHORT_CABLE_LENGTH 11
+
+#define MII_VCT7_PAIR_0_DISTANCE 0x10
+#define MII_VCT7_PAIR_1_DISTANCE 0x11
+#define MII_VCT7_PAIR_2_DISTANCE 0x12
+#define MII_VCT7_PAIR_3_DISTANCE 0x13
+
+#define MII_VCT7_RESULTS 0x14
+#define MII_VCT7_RESULTS_PAIR3_MASK 0xf000
+#define MII_VCT7_RESULTS_PAIR2_MASK 0x0f00
+#define MII_VCT7_RESULTS_PAIR1_MASK 0x00f0
+#define MII_VCT7_RESULTS_PAIR0_MASK 0x000f
+#define MII_VCT7_RESULTS_PAIR3_SHIFT 12
+#define MII_VCT7_RESULTS_PAIR2_SHIFT 8
+#define MII_VCT7_RESULTS_PAIR1_SHIFT 4
+#define MII_VCT7_RESULTS_PAIR0_SHIFT 0
+#define MII_VCT7_RESULTS_INVALID 0
+#define MII_VCT7_RESULTS_OK 1
+#define MII_VCT7_RESULTS_OPEN 2
+#define MII_VCT7_RESULTS_SAME_SHORT 3
+#define MII_VCT7_RESULTS_CROSS_SHORT 4
+#define MII_VCT7_RESULTS_BUSY 9
+
+#define MII_VCT7_CTRL 0x15
+#define MII_VCT7_CTRL_RUN_NOW BIT(15)
+#define MII_VCT7_CTRL_RUN_ANEG BIT(14)
+#define MII_VCT7_CTRL_DISABLE_CROSS BIT(13)
+#define MII_VCT7_CTRL_RUN_AFTER_BREAK_LINK BIT(12)
+#define MII_VCT7_CTRL_IN_PROGRESS BIT(11)
+#define MII_VCT7_CTRL_METERS BIT(10)
+#define MII_VCT7_CTRL_CENTIMETERS 0
+
#define LPA_PAUSE_FIBER 0x180
#define LPA_PAUSE_ASYM_FIBER 0x100
@@ -188,6 +275,11 @@ struct marvell_priv {
u64 stats[ARRAY_SIZE(marvell_hw_stats)];
char *hwmon_name;
struct device *hwmon_dev;
+ bool cable_test_tdr;
+ u32 first;
+ u32 last;
+ u32 step;
+ s8 pair;
};
static int marvell_read_page(struct phy_device *phydev)
@@ -1658,6 +1750,382 @@ static void marvell_get_stats(struct phy_device *phydev,
data[i] = marvell_get_stat(phydev, i);
}
+static int marvell_vct5_wait_complete(struct phy_device *phydev)
+{
+ int i;
+ int val;
+
+ for (i = 0; i < 32; i++) {
+ val = __phy_read(phydev, MII_VCT5_CTRL);
+ if (val < 0)
+ return val;
+
+ if (val & MII_VCT5_CTRL_COMPLETE)
+ return 0;
+ }
+
+ phydev_err(phydev, "Timeout while waiting for cable test to finish\n");
+ return -ETIMEDOUT;
+}
+
+static int marvell_vct5_amplitude(struct phy_device *phydev, int pair)
+{
+ int amplitude;
+ int val;
+ int reg;
+
+ reg = MII_VCT5_TX_RX_MDI0_COUPLING + pair;
+ val = __phy_read(phydev, reg);
+
+ if (val < 0)
+ return 0;
+
+ amplitude = (val & MII_VCT5_TX_RX_AMPLITUDE_MASK) >>
+ MII_VCT5_TX_RX_AMPLITUDE_SHIFT;
+
+ if (!(val & MII_VCT5_TX_RX_COUPLING_POSITIVE_REFLECTION))
+ amplitude = -amplitude;
+
+ return 1000 * amplitude / 128;
+}
+
+static u32 marvell_vct5_distance2cm(int distance)
+{
+ return distance * 805 / 10;
+}
+
+static u32 marvell_vct5_cm2distance(int cm)
+{
+ return cm * 10 / 805;
+}
+
+static int marvell_vct5_amplitude_distance(struct phy_device *phydev,
+ int distance, int pair)
+{
+ u16 reg;
+ int err;
+ int mV;
+ int i;
+
+ err = __phy_write(phydev, MII_VCT5_SAMPLE_POINT_DISTANCE,
+ distance);
+ if (err)
+ return err;
+
+ reg = MII_VCT5_CTRL_ENABLE |
+ MII_VCT5_CTRL_TX_SAME_CHANNEL |
+ MII_VCT5_CTRL_SAMPLES_DEFAULT |
+ MII_VCT5_CTRL_SAMPLE_POINT |
+ MII_VCT5_CTRL_PEEK_HYST_DEFAULT;
+ err = __phy_write(phydev, MII_VCT5_CTRL, reg);
+ if (err)
+ return err;
+
+ err = marvell_vct5_wait_complete(phydev);
+ if (err)
+ return err;
+
+ for (i = 0; i < 4; i++) {
+ if (pair != PHY_PAIR_ALL && i != pair)
+ continue;
+
+ mV = marvell_vct5_amplitude(phydev, i);
+ ethnl_cable_test_amplitude(phydev, i, mV);
+ }
+
+ return 0;
+}
+
+static int marvell_vct5_amplitude_graph(struct phy_device *phydev)
+{
+ struct marvell_priv *priv = phydev->priv;
+ int distance;
+ u16 width;
+ int page;
+ int err;
+ u16 reg;
+
+ if (priv->first <= TDR_SHORT_CABLE_LENGTH)
+ width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS;
+ else
+ width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
+
+ reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
+ MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
+ MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
+
+ err = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
+ MII_VCT5_TX_PULSE_CTRL, reg);
+ if (err)
+ return err;
+
+ /* Reading the TDR data is very MDIO heavy. We need to optimize
+ * access to keep the time to a minimum. So lock the bus once,
+ * and don't release it until complete. We can then avoid having
+ * to change the page for every access, greatly speeding things
+ * up.
+ */
+ page = phy_select_page(phydev, MII_MARVELL_VCT5_PAGE);
+ if (page < 0)
+ goto restore_page;
+
+ for (distance = priv->first;
+ distance <= priv->last;
+ distance += priv->step) {
+ err = marvell_vct5_amplitude_distance(phydev, distance,
+ priv->pair);
+ if (err)
+ goto restore_page;
+
+ if (distance > TDR_SHORT_CABLE_LENGTH &&
+ width == MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_32nS) {
+ width = MII_VCT5_TX_PULSE_CTRL_PULSE_WIDTH_128nS;
+ reg = MII_VCT5_TX_PULSE_CTRL_GT_140m_46_86mV |
+ MII_VCT5_TX_PULSE_CTRL_DONT_WAIT_LINK_DOWN |
+ MII_VCT5_TX_PULSE_CTRL_MAX_AMP | width;
+ err = __phy_write(phydev, MII_VCT5_TX_PULSE_CTRL, reg);
+ if (err)
+ goto restore_page;
+ }
+ }
+
+restore_page:
+ return phy_restore_page(phydev, page, err);
+}
+
+static int marvell_cable_test_start_common(struct phy_device *phydev)
+{
+ int bmcr, bmsr, ret;
+
+ /* If auto-negotiation is enabled, but not complete, the cable
+ * test never completes. So disable auto-neg.
+ */
+ bmcr = phy_read(phydev, MII_BMCR);
+ if (bmcr < 0)
+ return bmcr;
+
+ bmsr = phy_read(phydev, MII_BMSR);
+
+ if (bmsr < 0)
+ return bmsr;
+
+ if (bmcr & BMCR_ANENABLE) {
+ ret = phy_modify(phydev, MII_BMCR, BMCR_ANENABLE, 0);
+ if (ret < 0)
+ return ret;
+ ret = genphy_soft_reset(phydev);
+ if (ret < 0)
+ return ret;
+ }
+
+ /* If the link is up, allow it some time to go down */
+ if (bmsr & BMSR_LSTATUS)
+ msleep(1500);
+
+ return 0;
+}
+
+static int marvell_vct7_cable_test_start(struct phy_device *phydev)
+{
+ struct marvell_priv *priv = phydev->priv;
+ int ret;
+
+ ret = marvell_cable_test_start_common(phydev);
+ if (ret)
+ return ret;
+
+ priv->cable_test_tdr = false;
+
+ /* Reset the VCT5 API control to defaults, otherwise
+ * VCT7 does not work correctly.
+ */
+ ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
+ MII_VCT5_CTRL,
+ MII_VCT5_CTRL_TX_SAME_CHANNEL |
+ MII_VCT5_CTRL_SAMPLES_DEFAULT |
+ MII_VCT5_CTRL_MODE_MAXIMUM_PEEK |
+ MII_VCT5_CTRL_PEEK_HYST_DEFAULT);
+ if (ret)
+ return ret;
+
+ ret = phy_write_paged(phydev, MII_MARVELL_VCT5_PAGE,
+ MII_VCT5_SAMPLE_POINT_DISTANCE, 0);
+ if (ret)
+ return ret;
+
+ return phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
+ MII_VCT7_CTRL,
+ MII_VCT7_CTRL_RUN_NOW |
+ MII_VCT7_CTRL_CENTIMETERS);
+}
+
+static int marvell_vct5_cable_test_tdr_start(struct phy_device *phydev,
+ const struct phy_tdr_config *cfg)
+{
+ struct marvell_priv *priv = phydev->priv;
+ int ret;
+
+ priv->cable_test_tdr = true;
+ priv->first = marvell_vct5_cm2distance(cfg->first);
+ priv->last = marvell_vct5_cm2distance(cfg->last);
+ priv->step = marvell_vct5_cm2distance(cfg->step);
+ priv->pair = cfg->pair;
+
+ if (priv->first > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
+ return -EINVAL;
+
+ if (priv->last > MII_VCT5_SAMPLE_POINT_DISTANCE_MAX)
+ return -EINVAL;
+
+ /* Disable VCT7 */
+ ret = phy_write_paged(phydev, MII_MARVELL_VCT7_PAGE,
+ MII_VCT7_CTRL, 0);
+ if (ret)
+ return ret;
+
+ ret = marvell_cable_test_start_common(phydev);
+ if (ret)
+ return ret;
+
+ ret = ethnl_cable_test_pulse(phydev, 1000);
+ if (ret)
+ return ret;
+
+ return ethnl_cable_test_step(phydev,
+ marvell_vct5_distance2cm(priv->first),
+ marvell_vct5_distance2cm(priv->last),
+ marvell_vct5_distance2cm(priv->step));
+}
+
+static int marvell_vct7_distance_to_length(int distance, bool meter)
+{
+ if (meter)
+ distance *= 100;
+
+ return distance;
+}
+
+static bool marvell_vct7_distance_valid(int result)
+{
+ switch (result) {
+ case MII_VCT7_RESULTS_OPEN:
+ case MII_VCT7_RESULTS_SAME_SHORT:
+ case MII_VCT7_RESULTS_CROSS_SHORT:
+ return true;
+ }
+ return false;
+}
+
+static int marvell_vct7_report_length(struct phy_device *phydev,
+ int pair, bool meter)
+{
+ int length;
+ int ret;
+
+ ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
+ MII_VCT7_PAIR_0_DISTANCE + pair);
+ if (ret < 0)
+ return ret;
+
+ length = marvell_vct7_distance_to_length(ret, meter);
+
+ ethnl_cable_test_fault_length(phydev, pair, length);
+
+ return 0;
+}
+
+static int marvell_vct7_cable_test_report_trans(int result)
+{
+ switch (result) {
+ case MII_VCT7_RESULTS_OK:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
+ case MII_VCT7_RESULTS_OPEN:
+ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
+ case MII_VCT7_RESULTS_SAME_SHORT:
+ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
+ case MII_VCT7_RESULTS_CROSS_SHORT:
+ return ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT;
+ default:
+ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
+ }
+}
+
+static int marvell_vct7_cable_test_report(struct phy_device *phydev)
+{
+ int pair0, pair1, pair2, pair3;
+ bool meter;
+ int ret;
+
+ ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
+ MII_VCT7_RESULTS);
+ if (ret < 0)
+ return ret;
+
+ pair3 = (ret & MII_VCT7_RESULTS_PAIR3_MASK) >>
+ MII_VCT7_RESULTS_PAIR3_SHIFT;
+ pair2 = (ret & MII_VCT7_RESULTS_PAIR2_MASK) >>
+ MII_VCT7_RESULTS_PAIR2_SHIFT;
+ pair1 = (ret & MII_VCT7_RESULTS_PAIR1_MASK) >>
+ MII_VCT7_RESULTS_PAIR1_SHIFT;
+ pair0 = (ret & MII_VCT7_RESULTS_PAIR0_MASK) >>
+ MII_VCT7_RESULTS_PAIR0_SHIFT;
+
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
+ marvell_vct7_cable_test_report_trans(pair0));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_B,
+ marvell_vct7_cable_test_report_trans(pair1));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_C,
+ marvell_vct7_cable_test_report_trans(pair2));
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_D,
+ marvell_vct7_cable_test_report_trans(pair3));
+
+ ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE, MII_VCT7_CTRL);
+ if (ret < 0)
+ return ret;
+
+ meter = ret & MII_VCT7_CTRL_METERS;
+
+ if (marvell_vct7_distance_valid(pair0))
+ marvell_vct7_report_length(phydev, 0, meter);
+ if (marvell_vct7_distance_valid(pair1))
+ marvell_vct7_report_length(phydev, 1, meter);
+ if (marvell_vct7_distance_valid(pair2))
+ marvell_vct7_report_length(phydev, 2, meter);
+ if (marvell_vct7_distance_valid(pair3))
+ marvell_vct7_report_length(phydev, 3, meter);
+
+ return 0;
+}
+
+static int marvell_vct7_cable_test_get_status(struct phy_device *phydev,
+ bool *finished)
+{
+ struct marvell_priv *priv = phydev->priv;
+ int ret;
+
+ if (priv->cable_test_tdr) {
+ ret = marvell_vct5_amplitude_graph(phydev);
+ *finished = true;
+ return ret;
+ }
+
+ *finished = false;
+
+ ret = phy_read_paged(phydev, MII_MARVELL_VCT7_PAGE,
+ MII_VCT7_CTRL);
+
+ if (ret < 0)
+ return ret;
+
+ if (!(ret & MII_VCT7_CTRL_IN_PROGRESS)) {
+ *finished = true;
+
+ return marvell_vct7_cable_test_report(phydev);
+ }
+
+ return 0;
+}
+
#ifdef CONFIG_HWMON
static int m88e1121_get_temp(struct phy_device *phydev, long *temp)
{
@@ -2353,6 +2821,7 @@ static struct phy_driver marvell_drivers[] = {
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1510",
.features = PHY_GBIT_FIBRE_FEATURES,
+ .flags = PHY_POLL_CABLE_TEST,
.probe = &m88e1510_probe,
.config_init = &m88e1510_config_init,
.config_aneg = &m88e1510_config_aneg,
@@ -2372,12 +2841,16 @@ static struct phy_driver marvell_drivers[] = {
.set_loopback = genphy_loopback,
.get_tunable = m88e1011_get_tunable,
.set_tunable = m88e1011_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
},
{
.phy_id = MARVELL_PHY_ID_88E1540,
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E1540",
/* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
.probe = m88e1510_probe,
.config_init = &marvell_config_init,
.config_aneg = &m88e1510_config_aneg,
@@ -2394,6 +2867,9 @@ static struct phy_driver marvell_drivers[] = {
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
},
{
.phy_id = MARVELL_PHY_ID_88E1545,
@@ -2401,6 +2877,7 @@ static struct phy_driver marvell_drivers[] = {
.name = "Marvell 88E1545",
.probe = m88e1510_probe,
/* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
.config_init = &marvell_config_init,
.config_aneg = &m88e1510_config_aneg,
.read_status = &marvell_read_status,
@@ -2416,6 +2893,9 @@ static struct phy_driver marvell_drivers[] = {
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
},
{
.phy_id = MARVELL_PHY_ID_88E3016,
@@ -2442,6 +2922,7 @@ static struct phy_driver marvell_drivers[] = {
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "Marvell 88E6390",
/* PHY_GBIT_FEATURES */
+ .flags = PHY_POLL_CABLE_TEST,
.probe = m88e6390_probe,
.config_init = &marvell_config_init,
.config_aneg = &m88e6390_config_aneg,
@@ -2458,6 +2939,9 @@ static struct phy_driver marvell_drivers[] = {
.get_stats = marvell_get_stats,
.get_tunable = m88e1540_get_tunable,
.set_tunable = m88e1540_set_tunable,
+ .cable_test_start = marvell_vct7_cable_test_start,
+ .cable_test_tdr_start = marvell_vct5_cable_test_tdr_start,
+ .cable_test_get_status = marvell_vct7_cable_test_get_status,
},
};
diff --git a/drivers/net/phy/marvell10g.c b/drivers/net/phy/marvell10g.c
index 95e3f4644aeb..d4c2e62b2439 100644
--- a/drivers/net/phy/marvell10g.c
+++ b/drivers/net/phy/marvell10g.c
@@ -66,6 +66,9 @@ enum {
MV_PCS_CSSR1_SPD2_2500 = 0x0004,
MV_PCS_CSSR1_SPD2_10000 = 0x0000,
+ /* Temperature read register (88E2110 only) */
+ MV_PCS_TEMP = 0x8042,
+
/* These registers appear at 0x800X and 0xa00X - the 0xa00X control
* registers appear to set themselves to the 0x800X when AN is
* restarted, but status registers appear readable from either.
@@ -77,6 +80,7 @@ enum {
MV_V2_PORT_CTRL = 0xf001,
MV_V2_PORT_CTRL_SWRST = BIT(15),
MV_V2_PORT_CTRL_PWRDOWN = BIT(11),
+ /* Temperature control/read registers (88X3310 only) */
MV_V2_TEMP_CTRL = 0xf08a,
MV_V2_TEMP_CTRL_MASK = 0xc000,
MV_V2_TEMP_CTRL_SAMPLE = 0x0000,
@@ -104,6 +108,24 @@ static umode_t mv3310_hwmon_is_visible(const void *data,
return 0;
}
+static int mv3310_hwmon_read_temp_reg(struct phy_device *phydev)
+{
+ return phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP);
+}
+
+static int mv2110_hwmon_read_temp_reg(struct phy_device *phydev)
+{
+ return phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_TEMP);
+}
+
+static int mv10g_hwmon_read_temp_reg(struct phy_device *phydev)
+{
+ if (phydev->drv->phy_id == MARVELL_PHY_ID_88X3310)
+ return mv3310_hwmon_read_temp_reg(phydev);
+ else /* MARVELL_PHY_ID_88E2110 */
+ return mv2110_hwmon_read_temp_reg(phydev);
+}
+
static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *value)
{
@@ -116,7 +138,7 @@ static int mv3310_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
}
if (type == hwmon_temp && attr == hwmon_temp_input) {
- temp = phy_read_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP);
+ temp = mv10g_hwmon_read_temp_reg(phydev);
if (temp < 0)
return temp;
@@ -169,6 +191,9 @@ static int mv3310_hwmon_config(struct phy_device *phydev, bool enable)
u16 val;
int ret;
+ if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310)
+ return 0;
+
ret = phy_write_mmd(phydev, MDIO_MMD_VEND2, MV_V2_TEMP,
MV_V2_TEMP_UNKNOWN);
if (ret < 0)
@@ -246,7 +271,8 @@ static int mv3310_power_up(struct phy_device *phydev)
ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
MV_V2_PORT_CTRL_PWRDOWN);
- if (priv->firmware_ver < 0x00030000)
+ if (phydev->drv->phy_id != MARVELL_PHY_ID_88X3310 ||
+ priv->firmware_ver < 0x00030000)
return ret;
return phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MV_V2_PORT_CTRL,
@@ -727,7 +753,6 @@ static struct phy_driver mv3310_drivers[] = {
.phy_id_mask = MARVELL_PHY_ID_MASK,
.name = "mv88x3310",
.get_features = mv3310_get_features,
- .soft_reset = genphy_no_soft_reset,
.config_init = mv3310_config_init,
.probe = mv3310_probe,
.suspend = mv3310_suspend,
@@ -745,7 +770,6 @@ static struct phy_driver mv3310_drivers[] = {
.probe = mv3310_probe,
.suspend = mv3310_suspend,
.resume = mv3310_resume,
- .soft_reset = genphy_no_soft_reset,
.config_init = mv3310_config_init,
.config_aneg = mv3310_config_aneg,
.aneg_done = mv3310_aneg_done,
diff --git a/drivers/net/phy/mdio-bcm-iproc.c b/drivers/net/phy/mdio-bcm-iproc.c
index f1ded03f0229..77fc970cdfde 100644
--- a/drivers/net/phy/mdio-bcm-iproc.c
+++ b/drivers/net/phy/mdio-bcm-iproc.c
@@ -159,7 +159,7 @@ static int iproc_mdio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, priv);
- dev_info(&pdev->dev, "Broadcom iProc MDIO bus at 0x%p\n", priv->base);
+ dev_info(&pdev->dev, "Broadcom iProc MDIO bus registered\n");
return 0;
@@ -179,7 +179,7 @@ static int iproc_mdio_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM_SLEEP
-int iproc_mdio_resume(struct device *dev)
+static int iproc_mdio_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct iproc_mdio_priv *priv = platform_get_drvdata(pdev);
diff --git a/drivers/net/phy/mdio-ipq4019.c b/drivers/net/phy/mdio-ipq4019.c
new file mode 100644
index 000000000000..1ce81ff2f41d
--- /dev/null
+++ b/drivers/net/phy/mdio-ipq4019.c
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright (c) 2015, The Linux Foundation. All rights reserved. */
+/* Copyright (c) 2020 Sartura Ltd. */
+
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/of_address.h>
+#include <linux/of_mdio.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+
+#define MDIO_ADDR_REG 0x44
+#define MDIO_DATA_WRITE_REG 0x48
+#define MDIO_DATA_READ_REG 0x4c
+#define MDIO_CMD_REG 0x50
+#define MDIO_CMD_ACCESS_BUSY BIT(16)
+#define MDIO_CMD_ACCESS_START BIT(8)
+#define MDIO_CMD_ACCESS_CODE_READ 0
+#define MDIO_CMD_ACCESS_CODE_WRITE 1
+
+#define ipq4019_MDIO_TIMEOUT 10000
+#define ipq4019_MDIO_SLEEP 10
+
+struct ipq4019_mdio_data {
+ void __iomem *membase;
+};
+
+static int ipq4019_mdio_wait_busy(struct mii_bus *bus)
+{
+ struct ipq4019_mdio_data *priv = bus->priv;
+ unsigned int busy;
+
+ return readl_poll_timeout(priv->membase + MDIO_CMD_REG, busy,
+ (busy & MDIO_CMD_ACCESS_BUSY) == 0,
+ ipq4019_MDIO_SLEEP, ipq4019_MDIO_TIMEOUT);
+}
+
+static int ipq4019_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
+{
+ struct ipq4019_mdio_data *priv = bus->priv;
+ unsigned int cmd;
+
+ /* Reject clause 45 */
+ if (regnum & MII_ADDR_C45)
+ return -EOPNOTSUPP;
+
+ if (ipq4019_mdio_wait_busy(bus))
+ return -ETIMEDOUT;
+
+ /* issue the phy address and reg */
+ writel((mii_id << 8) | regnum, priv->membase + MDIO_ADDR_REG);
+
+ cmd = MDIO_CMD_ACCESS_START | MDIO_CMD_ACCESS_CODE_READ;
+
+ /* issue read command */
+ writel(cmd, priv->membase + MDIO_CMD_REG);
+
+ /* Wait read complete */
+ if (ipq4019_mdio_wait_busy(bus))
+ return -ETIMEDOUT;
+
+ /* Read and return data */
+ return readl(priv->membase + MDIO_DATA_READ_REG);
+}
+
+static int ipq4019_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
+ u16 value)
+{
+ struct ipq4019_mdio_data *priv = bus->priv;
+ unsigned int cmd;
+
+ /* Reject clause 45 */
+ if (regnum & MII_ADDR_C45)
+ return -EOPNOTSUPP;
+
+ if (ipq4019_mdio_wait_busy(bus))
+ return -ETIMEDOUT;
+
+ /* issue the phy address and reg */
+ writel((mii_id << 8) | regnum, priv->membase + MDIO_ADDR_REG);
+
+ /* issue write data */
+ writel(value, priv->membase + MDIO_DATA_WRITE_REG);
+
+ cmd = MDIO_CMD_ACCESS_START | MDIO_CMD_ACCESS_CODE_WRITE;
+ /* issue write command */
+ writel(cmd, priv->membase + MDIO_CMD_REG);
+
+ /* Wait write complete */
+ if (ipq4019_mdio_wait_busy(bus))
+ return -ETIMEDOUT;
+
+ return 0;
+}
+
+static int ipq4019_mdio_probe(struct platform_device *pdev)
+{
+ struct ipq4019_mdio_data *priv;
+ struct mii_bus *bus;
+ int ret;
+
+ bus = devm_mdiobus_alloc_size(&pdev->dev, sizeof(*priv));
+ if (!bus)
+ return -ENOMEM;
+
+ priv = bus->priv;
+
+ priv->membase = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(priv->membase))
+ return PTR_ERR(priv->membase);
+
+ bus->name = "ipq4019_mdio";
+ bus->read = ipq4019_mdio_read;
+ bus->write = ipq4019_mdio_write;
+ bus->parent = &pdev->dev;
+ snprintf(bus->id, MII_BUS_ID_SIZE, "%s%d", pdev->name, pdev->id);
+
+ ret = of_mdiobus_register(bus, pdev->dev.of_node);
+ if (ret) {
+ dev_err(&pdev->dev, "Cannot register MDIO bus!\n");
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, bus);
+
+ return 0;
+}
+
+static int ipq4019_mdio_remove(struct platform_device *pdev)
+{
+ struct mii_bus *bus = platform_get_drvdata(pdev);
+
+ mdiobus_unregister(bus);
+
+ return 0;
+}
+
+static const struct of_device_id ipq4019_mdio_dt_ids[] = {
+ { .compatible = "qcom,ipq4019-mdio" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ipq4019_mdio_dt_ids);
+
+static struct platform_driver ipq4019_mdio_driver = {
+ .probe = ipq4019_mdio_probe,
+ .remove = ipq4019_mdio_remove,
+ .driver = {
+ .name = "ipq4019-mdio",
+ .of_match_table = ipq4019_mdio_dt_ids,
+ },
+};
+
+module_platform_driver(ipq4019_mdio_driver);
+
+MODULE_DESCRIPTION("ipq4019 MDIO interface driver");
+MODULE_AUTHOR("Qualcomm Atheros");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/phy/mdio-moxart.c b/drivers/net/phy/mdio-moxart.c
index 2d16fc4173c1..b72c6d185175 100644
--- a/drivers/net/phy/mdio-moxart.c
+++ b/drivers/net/phy/mdio-moxart.c
@@ -12,7 +12,6 @@
#include <linux/of_mdio.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
-#include <linux/regulator/consumer.h>
#define REG_PHY_CTRL 0
#define REG_PHY_WRITE_DATA 4
diff --git a/drivers/net/phy/mdio-mscc-miim.c b/drivers/net/phy/mdio-mscc-miim.c
index badbc99bedd3..11f583fd4611 100644
--- a/drivers/net/phy/mdio-mscc-miim.c
+++ b/drivers/net/phy/mdio-mscc-miim.c
@@ -16,6 +16,7 @@
#include <linux/of_mdio.h>
#define MSCC_MIIM_REG_STATUS 0x0
+#define MSCC_MIIM_STATUS_STAT_PENDING BIT(2)
#define MSCC_MIIM_STATUS_STAT_BUSY BIT(3)
#define MSCC_MIIM_REG_CMD 0x8
#define MSCC_MIIM_CMD_OPR_WRITE BIT(1)
@@ -38,17 +39,35 @@ struct mscc_miim_dev {
void __iomem *phy_regs;
};
+/* When high resolution timers aren't built-in: we can't use usleep_range() as
+ * we would sleep way too long. Use udelay() instead.
+ */
+#define mscc_readl_poll_timeout(addr, val, cond, delay_us, timeout_us) \
+({ \
+ if (!IS_ENABLED(CONFIG_HIGH_RES_TIMERS)) \
+ readl_poll_timeout_atomic(addr, val, cond, delay_us, \
+ timeout_us); \
+ readl_poll_timeout(addr, val, cond, delay_us, timeout_us); \
+})
+
static int mscc_miim_wait_ready(struct mii_bus *bus)
{
struct mscc_miim_dev *miim = bus->priv;
u32 val;
- readl_poll_timeout(miim->regs + MSCC_MIIM_REG_STATUS, val,
- !(val & MSCC_MIIM_STATUS_STAT_BUSY), 100, 250000);
- if (val & MSCC_MIIM_STATUS_STAT_BUSY)
- return -ETIMEDOUT;
+ return mscc_readl_poll_timeout(miim->regs + MSCC_MIIM_REG_STATUS, val,
+ !(val & MSCC_MIIM_STATUS_STAT_BUSY), 50,
+ 10000);
+}
- return 0;
+static int mscc_miim_wait_pending(struct mii_bus *bus)
+{
+ struct mscc_miim_dev *miim = bus->priv;
+ u32 val;
+
+ return mscc_readl_poll_timeout(miim->regs + MSCC_MIIM_REG_STATUS, val,
+ !(val & MSCC_MIIM_STATUS_STAT_PENDING),
+ 50, 10000);
}
static int mscc_miim_read(struct mii_bus *bus, int mii_id, int regnum)
@@ -57,7 +76,7 @@ static int mscc_miim_read(struct mii_bus *bus, int mii_id, int regnum)
u32 val;
int ret;
- ret = mscc_miim_wait_ready(bus);
+ ret = mscc_miim_wait_pending(bus);
if (ret)
goto out;
@@ -86,7 +105,7 @@ static int mscc_miim_write(struct mii_bus *bus, int mii_id,
struct mscc_miim_dev *miim = bus->priv;
int ret;
- ret = mscc_miim_wait_ready(bus);
+ ret = mscc_miim_wait_pending(bus);
if (ret < 0)
goto out;
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 7a4eb3f2cb74..255fdfcc13a6 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -42,14 +42,11 @@
static int mdiobus_register_gpiod(struct mdio_device *mdiodev)
{
- int error;
-
/* Deassert the optional reset signal */
mdiodev->reset_gpio = gpiod_get_optional(&mdiodev->dev,
"reset", GPIOD_OUT_LOW);
- error = PTR_ERR_OR_ZERO(mdiodev->reset_gpio);
- if (error)
- return error;
+ if (IS_ERR(mdiodev->reset_gpio))
+ return PTR_ERR(mdiodev->reset_gpio);
if (mdiodev->reset_gpio)
gpiod_set_consumer_name(mdiodev->reset_gpio, "PHY reset");
@@ -170,7 +167,12 @@ EXPORT_SYMBOL(mdiobus_alloc_size);
static void _devm_mdiobus_free(struct device *dev, void *res)
{
- mdiobus_free(*(struct mii_bus **)res);
+ struct mii_bus *bus = *(struct mii_bus **)res;
+
+ if (bus->is_managed_registered && bus->state == MDIOBUS_REGISTERED)
+ mdiobus_unregister(bus);
+
+ mdiobus_free(bus);
}
static int devm_mdiobus_match(struct device *dev, void *res, void *data)
@@ -210,6 +212,7 @@ struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv)
if (bus) {
*ptr = bus;
devres_add(dev, ptr);
+ bus->is_managed = 1;
} else {
devres_free(ptr);
}
@@ -611,6 +614,7 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
}
mutex_init(&bus->mdio_lock);
+ mutex_init(&bus->shared_lock);
/* de-assert bus level PHY GPIO reset */
gpiod = devm_gpiod_get_optional(&bus->dev, "reset", GPIOD_OUT_LOW);
@@ -627,8 +631,11 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
gpiod_set_value_cansleep(gpiod, 0);
}
- if (bus->reset)
- bus->reset(bus);
+ if (bus->reset) {
+ err = bus->reset(bus);
+ if (err)
+ goto error_reset_gpiod;
+ }
for (i = 0; i < PHY_MAX_ADDR; i++) {
if ((bus->phy_mask & (1 << i)) == 0) {
@@ -657,7 +664,7 @@ error:
mdiodev->device_remove(mdiodev);
mdiodev->device_free(mdiodev);
}
-
+error_reset_gpiod:
/* Put PHYs in RESET to save power */
if (bus->reset_gpiod)
gpiod_set_value_cansleep(bus->reset_gpiod, 1);
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 3a4d83fa52dc..3fe552675dd2 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -19,6 +19,7 @@
* ksz9477
*/
+#include <linux/bitfield.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/phy.h>
@@ -490,9 +491,50 @@ static int ksz9021_config_init(struct phy_device *phydev)
/* MMD Address 0x2 */
#define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
+#define MII_KSZ9031RN_RX_CTL_M GENMASK(7, 4)
+#define MII_KSZ9031RN_TX_CTL_M GENMASK(3, 0)
+
#define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
+#define MII_KSZ9031RN_RXD3 GENMASK(15, 12)
+#define MII_KSZ9031RN_RXD2 GENMASK(11, 8)
+#define MII_KSZ9031RN_RXD1 GENMASK(7, 4)
+#define MII_KSZ9031RN_RXD0 GENMASK(3, 0)
+
#define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6
+#define MII_KSZ9031RN_TXD3 GENMASK(15, 12)
+#define MII_KSZ9031RN_TXD2 GENMASK(11, 8)
+#define MII_KSZ9031RN_TXD1 GENMASK(7, 4)
+#define MII_KSZ9031RN_TXD0 GENMASK(3, 0)
+
#define MII_KSZ9031RN_CLK_PAD_SKEW 8
+#define MII_KSZ9031RN_GTX_CLK GENMASK(9, 5)
+#define MII_KSZ9031RN_RX_CLK GENMASK(4, 0)
+
+/* KSZ9031 has internal RGMII_IDRX = 1.2ns and RGMII_IDTX = 0ns. To
+ * provide different RGMII options we need to configure delay offset
+ * for each pad relative to build in delay.
+ */
+/* keep rx as "No delay adjustment" and set rx_clk to +0.60ns to get delays of
+ * 1.80ns
+ */
+#define RX_ID 0x7
+#define RX_CLK_ID 0x19
+
+/* set rx to +0.30ns and rx_clk to -0.90ns to compensate the
+ * internal 1.2ns delay.
+ */
+#define RX_ND 0xc
+#define RX_CLK_ND 0x0
+
+/* set tx to -0.42ns and tx_clk to +0.96ns to get 1.38ns delay */
+#define TX_ID 0x0
+#define TX_CLK_ID 0x1f
+
+/* set tx and tx_clk to "No delay adjustment" to keep 0ns
+ * dealy
+ */
+#define TX_ND 0x7
+#define TX_CLK_ND 0xf
/* MMD Address 0x1C */
#define MII_KSZ9031RN_EDPD 0x23
@@ -501,7 +543,8 @@ static int ksz9021_config_init(struct phy_device *phydev)
static int ksz9031_of_load_skew_values(struct phy_device *phydev,
const struct device_node *of_node,
u16 reg, size_t field_sz,
- const char *field[], u8 numfields)
+ const char *field[], u8 numfields,
+ bool *update)
{
int val[4] = {-1, -2, -3, -4};
int matches = 0;
@@ -517,6 +560,8 @@ static int ksz9031_of_load_skew_values(struct phy_device *phydev,
if (!matches)
return 0;
+ *update |= true;
+
if (matches < numfields)
newval = phy_read_mmd(phydev, 2, reg);
else
@@ -565,6 +610,67 @@ static int ksz9031_enable_edpd(struct phy_device *phydev)
reg | MII_KSZ9031RN_EDPD_ENABLE);
}
+static int ksz9031_config_rgmii_delay(struct phy_device *phydev)
+{
+ u16 rx, tx, rx_clk, tx_clk;
+ int ret;
+
+ switch (phydev->interface) {
+ case PHY_INTERFACE_MODE_RGMII:
+ tx = TX_ND;
+ tx_clk = TX_CLK_ND;
+ rx = RX_ND;
+ rx_clk = RX_CLK_ND;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ tx = TX_ID;
+ tx_clk = TX_CLK_ID;
+ rx = RX_ID;
+ rx_clk = RX_CLK_ID;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ tx = TX_ND;
+ tx_clk = TX_CLK_ND;
+ rx = RX_ID;
+ rx_clk = RX_CLK_ID;
+ break;
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ tx = TX_ID;
+ tx_clk = TX_CLK_ID;
+ rx = RX_ND;
+ rx_clk = RX_CLK_ND;
+ break;
+ default:
+ return 0;
+ }
+
+ ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_CONTROL_PAD_SKEW,
+ FIELD_PREP(MII_KSZ9031RN_RX_CTL_M, rx) |
+ FIELD_PREP(MII_KSZ9031RN_TX_CTL_M, tx));
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_RX_DATA_PAD_SKEW,
+ FIELD_PREP(MII_KSZ9031RN_RXD3, rx) |
+ FIELD_PREP(MII_KSZ9031RN_RXD2, rx) |
+ FIELD_PREP(MII_KSZ9031RN_RXD1, rx) |
+ FIELD_PREP(MII_KSZ9031RN_RXD0, rx));
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write_mmd(phydev, 2, MII_KSZ9031RN_TX_DATA_PAD_SKEW,
+ FIELD_PREP(MII_KSZ9031RN_TXD3, tx) |
+ FIELD_PREP(MII_KSZ9031RN_TXD2, tx) |
+ FIELD_PREP(MII_KSZ9031RN_TXD1, tx) |
+ FIELD_PREP(MII_KSZ9031RN_TXD0, tx));
+ if (ret < 0)
+ return ret;
+
+ return phy_write_mmd(phydev, 2, MII_KSZ9031RN_CLK_PAD_SKEW,
+ FIELD_PREP(MII_KSZ9031RN_GTX_CLK, tx_clk) |
+ FIELD_PREP(MII_KSZ9031RN_RX_CLK, rx_clk));
+}
+
static int ksz9031_config_init(struct phy_device *phydev)
{
const struct device *dev = &phydev->mdio.dev;
@@ -597,21 +703,33 @@ static int ksz9031_config_init(struct phy_device *phydev)
} while (!of_node && dev_walker);
if (of_node) {
+ bool update = false;
+
+ if (phy_interface_is_rgmii(phydev)) {
+ result = ksz9031_config_rgmii_delay(phydev);
+ if (result < 0)
+ return result;
+ }
+
ksz9031_of_load_skew_values(phydev, of_node,
MII_KSZ9031RN_CLK_PAD_SKEW, 5,
- clk_skews, 2);
+ clk_skews, 2, &update);
ksz9031_of_load_skew_values(phydev, of_node,
MII_KSZ9031RN_CONTROL_PAD_SKEW, 4,
- control_skews, 2);
+ control_skews, 2, &update);
ksz9031_of_load_skew_values(phydev, of_node,
MII_KSZ9031RN_RX_DATA_PAD_SKEW, 4,
- rx_data_skews, 4);
+ rx_data_skews, 4, &update);
ksz9031_of_load_skew_values(phydev, of_node,
MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
- tx_data_skews, 4);
+ tx_data_skews, 4, &update);
+
+ if (update && phydev->interface != PHY_INTERFACE_MODE_RGMII)
+ phydev_warn(phydev,
+ "*-skew-ps values should be used only with phy-mode = \"rgmii\"\n");
/* Silicon Errata Sheet (DS80000691D or DS80000692D):
* When the device links in the 1000BASE-T slave mode only,
diff --git a/drivers/net/phy/microchip_t1.c b/drivers/net/phy/microchip_t1.c
index 001def4509c2..fed3e395f18e 100644
--- a/drivers/net/phy/microchip_t1.c
+++ b/drivers/net/phy/microchip_t1.c
@@ -3,9 +3,21 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/phy.h>
+/* External Register Control Register */
+#define LAN87XX_EXT_REG_CTL (0x14)
+#define LAN87XX_EXT_REG_CTL_RD_CTL (0x1000)
+#define LAN87XX_EXT_REG_CTL_WR_CTL (0x0800)
+
+/* External Register Read Data Register */
+#define LAN87XX_EXT_REG_RD_DATA (0x15)
+
+/* External Register Write Data Register */
+#define LAN87XX_EXT_REG_WR_DATA (0x16)
+
/* Interrupt Source Register */
#define LAN87XX_INTERRUPT_SOURCE (0x18)
@@ -14,9 +26,160 @@
#define LAN87XX_MASK_LINK_UP (0x0004)
#define LAN87XX_MASK_LINK_DOWN (0x0002)
+/* phyaccess nested types */
+#define PHYACC_ATTR_MODE_READ 0
+#define PHYACC_ATTR_MODE_WRITE 1
+#define PHYACC_ATTR_MODE_MODIFY 2
+
+#define PHYACC_ATTR_BANK_SMI 0
+#define PHYACC_ATTR_BANK_MISC 1
+#define PHYACC_ATTR_BANK_PCS 2
+#define PHYACC_ATTR_BANK_AFE 3
+#define PHYACC_ATTR_BANK_MAX 7
+
#define DRIVER_AUTHOR "Nisar Sayed <nisar.sayed@microchip.com>"
#define DRIVER_DESC "Microchip LAN87XX T1 PHY driver"
+struct access_ereg_val {
+ u8 mode;
+ u8 bank;
+ u8 offset;
+ u16 val;
+ u16 mask;
+};
+
+static int access_ereg(struct phy_device *phydev, u8 mode, u8 bank,
+ u8 offset, u16 val)
+{
+ u16 ereg = 0;
+ int rc = 0;
+
+ if (mode > PHYACC_ATTR_MODE_WRITE || bank > PHYACC_ATTR_BANK_MAX)
+ return -EINVAL;
+
+ if (bank == PHYACC_ATTR_BANK_SMI) {
+ if (mode == PHYACC_ATTR_MODE_WRITE)
+ rc = phy_write(phydev, offset, val);
+ else
+ rc = phy_read(phydev, offset);
+ return rc;
+ }
+
+ if (mode == PHYACC_ATTR_MODE_WRITE) {
+ ereg = LAN87XX_EXT_REG_CTL_WR_CTL;
+ rc = phy_write(phydev, LAN87XX_EXT_REG_WR_DATA, val);
+ if (rc < 0)
+ return rc;
+ } else {
+ ereg = LAN87XX_EXT_REG_CTL_RD_CTL;
+ }
+
+ ereg |= (bank << 8) | offset;
+
+ rc = phy_write(phydev, LAN87XX_EXT_REG_CTL, ereg);
+ if (rc < 0)
+ return rc;
+
+ if (mode == PHYACC_ATTR_MODE_READ)
+ rc = phy_read(phydev, LAN87XX_EXT_REG_RD_DATA);
+
+ return rc;
+}
+
+static int access_ereg_modify_changed(struct phy_device *phydev,
+ u8 bank, u8 offset, u16 val, u16 mask)
+{
+ int new = 0, rc = 0;
+
+ if (bank > PHYACC_ATTR_BANK_MAX)
+ return -EINVAL;
+
+ rc = access_ereg(phydev, PHYACC_ATTR_MODE_READ, bank, offset, val);
+ if (rc < 0)
+ return rc;
+
+ new = val | (rc & (mask ^ 0xFFFF));
+ rc = access_ereg(phydev, PHYACC_ATTR_MODE_WRITE, bank, offset, new);
+
+ return rc;
+}
+
+static int lan87xx_phy_init(struct phy_device *phydev)
+{
+ static const struct access_ereg_val init[] = {
+ /* TX Amplitude = 5 */
+ {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_AFE, 0x0B,
+ 0x000A, 0x001E},
+ /* Clear SMI interrupts */
+ {PHYACC_ATTR_MODE_READ, PHYACC_ATTR_BANK_SMI, 0x18,
+ 0, 0},
+ /* Clear MISC interrupts */
+ {PHYACC_ATTR_MODE_READ, PHYACC_ATTR_BANK_MISC, 0x08,
+ 0, 0},
+ /* Turn on TC10 Ring Oscillator (ROSC) */
+ {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_MISC, 0x20,
+ 0x0020, 0x0020},
+ /* WUR Detect Length to 1.2uS, LPC Detect Length to 1.09uS */
+ {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_PCS, 0x20,
+ 0x283C, 0},
+ /* Wake_In Debounce Length to 39uS, Wake_Out Length to 79uS */
+ {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x21,
+ 0x274F, 0},
+ /* Enable Auto Wake Forward to Wake_Out, ROSC on, Sleep,
+ * and Wake_In to wake PHY
+ */
+ {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x20,
+ 0x80A7, 0},
+ /* Enable WUP Auto Fwd, Enable Wake on MDI, Wakeup Debouncer
+ * to 128 uS
+ */
+ {PHYACC_ATTR_MODE_WRITE, PHYACC_ATTR_BANK_MISC, 0x24,
+ 0xF110, 0},
+ /* Enable HW Init */
+ {PHYACC_ATTR_MODE_MODIFY, PHYACC_ATTR_BANK_SMI, 0x1A,
+ 0x0100, 0x0100},
+ };
+ int rc, i;
+
+ /* Start manual initialization procedures in Managed Mode */
+ rc = access_ereg_modify_changed(phydev, PHYACC_ATTR_BANK_SMI,
+ 0x1a, 0x0000, 0x0100);
+ if (rc < 0)
+ return rc;
+
+ /* Soft Reset the SMI block */
+ rc = access_ereg_modify_changed(phydev, PHYACC_ATTR_BANK_SMI,
+ 0x00, 0x8000, 0x8000);
+ if (rc < 0)
+ return rc;
+
+ /* Check to see if the self-clearing bit is cleared */
+ usleep_range(1000, 2000);
+ rc = access_ereg(phydev, PHYACC_ATTR_MODE_READ,
+ PHYACC_ATTR_BANK_SMI, 0x00, 0);
+ if (rc < 0)
+ return rc;
+ if ((rc & 0x8000) != 0)
+ return -ETIMEDOUT;
+
+ /* PHY Initialization */
+ for (i = 0; i < ARRAY_SIZE(init); i++) {
+ if (init[i].mode == PHYACC_ATTR_MODE_MODIFY) {
+ rc = access_ereg_modify_changed(phydev, init[i].bank,
+ init[i].offset,
+ init[i].val,
+ init[i].mask);
+ } else {
+ rc = access_ereg(phydev, init[i].mode, init[i].bank,
+ init[i].offset, init[i].val);
+ }
+ if (rc < 0)
+ return rc;
+ }
+
+ return 0;
+}
+
static int lan87xx_phy_config_intr(struct phy_device *phydev)
{
int rc, val = 0;
@@ -40,6 +203,13 @@ static int lan87xx_phy_ack_interrupt(struct phy_device *phydev)
return rc < 0 ? rc : 0;
}
+static int lan87xx_config_init(struct phy_device *phydev)
+{
+ int rc = lan87xx_phy_init(phydev);
+
+ return rc < 0 ? rc : 0;
+}
+
static struct phy_driver microchip_t1_phy_driver[] = {
{
.phy_id = 0x0007c150,
@@ -48,6 +218,7 @@ static struct phy_driver microchip_t1_phy_driver[] = {
.features = PHY_BASIC_T1_FEATURES,
+ .config_init = lan87xx_config_init,
.config_aneg = genphy_config_aneg,
.ack_interrupt = lan87xx_phy_ack_interrupt,
diff --git a/drivers/net/phy/mscc/mscc.h b/drivers/net/phy/mscc/mscc.h
index 030bf8b600df..f828c917b9f7 100644
--- a/drivers/net/phy/mscc/mscc.h
+++ b/drivers/net/phy/mscc/mscc.h
@@ -353,7 +353,8 @@ struct vsc8531_private {
const struct vsc85xx_hw_stat *hw_stats;
u64 *stats;
int nstats;
- bool pkg_init;
+ /* PHY address within the package. */
+ u8 addr;
/* For multiple port PHYs; the MDIO address of the base PHY in the
* package.
*/
diff --git a/drivers/net/phy/mscc/mscc_mac.h b/drivers/net/phy/mscc/mscc_mac.h
index fcb5ba5e5d03..59b6837c60b3 100644
--- a/drivers/net/phy/mscc/mscc_mac.h
+++ b/drivers/net/phy/mscc/mscc_mac.h
@@ -152,8 +152,8 @@
#define MSCC_MAC_PAUSE_CFG_STATE_PAUSE_STATE BIT(0)
#define MSCC_MAC_PAUSE_CFG_STATE_MAC_TX_PAUSE_GEN BIT(4)
-#define MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL 0x2
-#define MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE(x) (x)
-#define MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE_M GENMASK(2, 0)
+#define MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL 0x2
+#define MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE(x) (x)
+#define MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE_M GENMASK(2, 0)
#endif /* _MSCC_PHY_LINE_MAC_H_ */
diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
index e99e2cd72a0c..b4d3dc4068e2 100644
--- a/drivers/net/phy/mscc/mscc_macsec.c
+++ b/drivers/net/phy/mscc/mscc_macsec.c
@@ -316,6 +316,8 @@ static void vsc8584_macsec_mac_init(struct phy_device *phydev,
/* Must be called with mdio_lock taken */
static int __vsc8584_macsec_init(struct phy_device *phydev)
{
+ struct vsc8531_private *priv = phydev->priv;
+ enum macsec_bank proc_bank;
u32 val;
vsc8584_macsec_block_init(phydev, MACSEC_INGR);
@@ -351,12 +353,14 @@ static int __vsc8584_macsec_init(struct phy_device *phydev)
val |= MSCC_FCBUF_ENA_CFG_TX_ENA | MSCC_FCBUF_ENA_CFG_RX_ENA;
vsc8584_macsec_phy_write(phydev, FC_BUFFER, MSCC_FCBUF_ENA_CFG, val);
- val = vsc8584_macsec_phy_read(phydev, IP_1588,
- MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL);
- val &= ~MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE_M;
- val |= MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE(4);
- vsc8584_macsec_phy_write(phydev, IP_1588,
- MSCC_PROC_0_IP_1588_TOP_CFG_STAT_MODE_CTL, val);
+ proc_bank = (priv->addr < 2) ? PROC_0 : PROC_2;
+
+ val = vsc8584_macsec_phy_read(phydev, proc_bank,
+ MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL);
+ val &= ~MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE_M;
+ val |= MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL_PROTOCOL_MODE(4);
+ vsc8584_macsec_phy_write(phydev, proc_bank,
+ MSCC_PROC_IP_1588_TOP_CFG_STAT_MODE_CTL, val);
return 0;
}
diff --git a/drivers/net/phy/mscc/mscc_macsec.h b/drivers/net/phy/mscc/mscc_macsec.h
index d0783944d106..d751f2946b79 100644
--- a/drivers/net/phy/mscc/mscc_macsec.h
+++ b/drivers/net/phy/mscc/mscc_macsec.h
@@ -64,7 +64,8 @@ enum macsec_bank {
FC_BUFFER = 0x04,
HOST_MAC = 0x05,
LINE_MAC = 0x06,
- IP_1588 = 0x0e,
+ PROC_0 = 0x0e,
+ PROC_2 = 0x0f,
MACSEC_INGR = 0x38,
MACSEC_EGR = 0x3c,
};
diff --git a/drivers/net/phy/mscc/mscc_main.c b/drivers/net/phy/mscc/mscc_main.c
index acddef79f4e8..7ed0285206d0 100644
--- a/drivers/net/phy/mscc/mscc_main.c
+++ b/drivers/net/phy/mscc/mscc_main.c
@@ -691,27 +691,23 @@ out_unlock:
/* phydev->bus->mdio_lock should be locked when using this function */
static int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
{
- struct vsc8531_private *priv = phydev->priv;
-
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
dump_stack();
}
- return __mdiobus_write(phydev->mdio.bus, priv->base_addr, regnum, val);
+ return __phy_package_write(phydev, regnum, val);
}
/* phydev->bus->mdio_lock should be locked when using this function */
static int phy_base_read(struct phy_device *phydev, u32 regnum)
{
- struct vsc8531_private *priv = phydev->priv;
-
if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
dump_stack();
}
- return __mdiobus_read(phydev->mdio.bus, priv->base_addr, regnum);
+ return __phy_package_read(phydev, regnum);
}
/* bus->mdio_lock should be locked when using this function */
@@ -1287,66 +1283,40 @@ out:
return ret;
}
-/* Check if one PHY has already done the init of the parts common to all PHYs
- * in the Quad PHY package.
- */
-static bool vsc8584_is_pkg_init(struct phy_device *phydev, bool reversed)
+static void vsc8584_get_base_addr(struct phy_device *phydev)
{
- struct mdio_device **map = phydev->mdio.bus->mdio_map;
- struct vsc8531_private *vsc8531;
- struct phy_device *phy;
- int i, addr;
-
- /* VSC8584 is a Quad PHY */
- for (i = 0; i < 4; i++) {
- vsc8531 = phydev->priv;
-
- if (reversed)
- addr = vsc8531->base_addr - i;
- else
- addr = vsc8531->base_addr + i;
+ struct vsc8531_private *vsc8531 = phydev->priv;
+ u16 val, addr;
- if (!map[addr])
- continue;
+ mutex_lock(&phydev->mdio.bus->mdio_lock);
+ __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
- phy = container_of(map[addr], struct phy_device, mdio);
+ addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
+ addr >>= PHY_CNTL_4_ADDR_POS;
- if ((phy->phy_id & phydev->drv->phy_id_mask) !=
- (phydev->drv->phy_id & phydev->drv->phy_id_mask))
- continue;
+ val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
- vsc8531 = phy->priv;
+ __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
+ mutex_unlock(&phydev->mdio.bus->mdio_lock);
- if (vsc8531 && vsc8531->pkg_init)
- return true;
- }
+ if (val & PHY_ADDR_REVERSED)
+ vsc8531->base_addr = phydev->mdio.addr + addr;
+ else
+ vsc8531->base_addr = phydev->mdio.addr - addr;
- return false;
+ vsc8531->addr = addr;
}
static int vsc8584_config_init(struct phy_device *phydev)
{
struct vsc8531_private *vsc8531 = phydev->priv;
- u16 addr, val;
int ret, i;
+ u16 val;
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
mutex_lock(&phydev->mdio.bus->mdio_lock);
- __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr,
- MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
- addr = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
- MSCC_PHY_EXT_PHY_CNTL_4);
- addr >>= PHY_CNTL_4_ADDR_POS;
-
- val = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr,
- MSCC_PHY_ACTIPHY_CNTL);
- if (val & PHY_ADDR_REVERSED)
- vsc8531->base_addr = phydev->mdio.addr + addr;
- else
- vsc8531->base_addr = phydev->mdio.addr - addr;
-
/* Some parts of the init sequence are identical for every PHY in the
* package. Some parts are modifying the GPIO register bank which is a
* set of registers that are affecting all PHYs, a few resetting the
@@ -1360,7 +1330,7 @@ static int vsc8584_config_init(struct phy_device *phydev)
* do the correct init sequence for all PHYs that are package-critical
* in this pre-init function.
*/
- if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0)) {
+ if (phy_package_init_once(phydev)) {
/* The following switch statement assumes that the lowest
* nibble of the phy_id_mask is always 0. This works because
* the lowest nibble of the PHY_ID's below are also 0.
@@ -1389,8 +1359,6 @@ static int vsc8584_config_init(struct phy_device *phydev)
goto err;
}
- vsc8531->pkg_init = true;
-
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
MSCC_PHY_PAGE_EXTENDED_GPIO);
@@ -1428,7 +1396,8 @@ static int vsc8584_config_init(struct phy_device *phydev)
/* Disable SerDes for 100Base-FX */
ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
- PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
+ PROC_CMD_FIBER_PORT(vsc8531->base_addr) |
+ PROC_CMD_FIBER_DISABLE |
PROC_CMD_READ_MOD_WRITE_PORT |
PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
if (ret)
@@ -1436,7 +1405,8 @@ static int vsc8584_config_init(struct phy_device *phydev)
/* Disable SerDes for 1000Base-X */
ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
- PROC_CMD_FIBER_PORT(addr) | PROC_CMD_FIBER_DISABLE |
+ PROC_CMD_FIBER_PORT(vsc8531->base_addr) |
+ PROC_CMD_FIBER_DISABLE |
PROC_CMD_READ_MOD_WRITE_PORT |
PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
if (ret)
@@ -1751,26 +1721,14 @@ static int vsc8514_config_init(struct phy_device *phydev)
{
struct vsc8531_private *vsc8531 = phydev->priv;
unsigned long deadline;
- u16 val, addr;
int ret, i;
+ u16 val;
u32 reg;
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
mutex_lock(&phydev->mdio.bus->mdio_lock);
- __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
-
- addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
- addr >>= PHY_CNTL_4_ADDR_POS;
-
- val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
-
- if (val & PHY_ADDR_REVERSED)
- vsc8531->base_addr = phydev->mdio.addr + addr;
- else
- vsc8531->base_addr = phydev->mdio.addr - addr;
-
/* Some parts of the init sequence are identical for every PHY in the
* package. Some parts are modifying the GPIO register bank which is a
* set of registers that are affecting all PHYs, a few resetting the
@@ -1782,11 +1740,9 @@ static int vsc8514_config_init(struct phy_device *phydev)
* do the correct init sequence for all PHYs that are package-critical
* in this pre-init function.
*/
- if (!vsc8584_is_pkg_init(phydev, val & PHY_ADDR_REVERSED ? 1 : 0))
+ if (phy_package_init_once(phydev))
vsc8514_config_pre_init(phydev);
- vsc8531->pkg_init = true;
-
phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
MSCC_PHY_PAGE_EXTENDED_GPIO);
@@ -1992,6 +1948,10 @@ static int vsc8514_probe(struct phy_device *phydev)
phydev->priv = vsc8531;
+ vsc8584_get_base_addr(phydev);
+ devm_phy_package_join(&phydev->mdio.dev, phydev,
+ vsc8531->base_addr, 0);
+
vsc8531->nleds = 4;
vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
vsc8531->hw_stats = vsc85xx_hw_stats;
@@ -2017,6 +1977,10 @@ static int vsc8574_probe(struct phy_device *phydev)
phydev->priv = vsc8531;
+ vsc8584_get_base_addr(phydev);
+ devm_phy_package_join(&phydev->mdio.dev, phydev,
+ vsc8531->base_addr, 0);
+
vsc8531->nleds = 4;
vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
vsc8531->hw_stats = vsc8584_hw_stats;
@@ -2047,6 +2011,10 @@ static int vsc8584_probe(struct phy_device *phydev)
phydev->priv = vsc8531;
+ vsc8584_get_base_addr(phydev);
+ devm_phy_package_join(&phydev->mdio.dev, phydev,
+ vsc8531->base_addr, 0);
+
vsc8531->nleds = 4;
vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
vsc8531->hw_stats = vsc8584_hw_stats;
diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c
index 47caae770ffc..a72fa0d2e7c7 100644
--- a/drivers/net/phy/nxp-tja11xx.c
+++ b/drivers/net/phy/nxp-tja11xx.c
@@ -5,16 +5,21 @@
*/
#include <linux/delay.h>
#include <linux/ethtool.h>
+#include <linux/ethtool_netlink.h>
#include <linux/kernel.h>
+#include <linux/mdio.h>
#include <linux/mii.h>
#include <linux/module.h>
#include <linux/phy.h>
#include <linux/hwmon.h>
#include <linux/bitfield.h>
+#include <linux/of_mdio.h>
+#include <linux/of_irq.h>
#define PHY_ID_MASK 0xfffffff0
#define PHY_ID_TJA1100 0x0180dc40
#define PHY_ID_TJA1101 0x0180dd00
+#define PHY_ID_TJA1102 0x0180dc80
#define MII_ECTRL 17
#define MII_ECTRL_LINK_CONTROL BIT(15)
@@ -22,10 +27,12 @@
#define MII_ECTRL_POWER_MODE_NO_CHANGE (0x0 << 11)
#define MII_ECTRL_POWER_MODE_NORMAL (0x3 << 11)
#define MII_ECTRL_POWER_MODE_STANDBY (0xc << 11)
+#define MII_ECTRL_CABLE_TEST BIT(5)
#define MII_ECTRL_CONFIG_EN BIT(2)
#define MII_ECTRL_WAKE_REQUEST BIT(0)
#define MII_CFG1 18
+#define MII_CFG1_MASTER_SLAVE BIT(15)
#define MII_CFG1_AUTO_OP BIT(14)
#define MII_CFG1_SLEEP_CONFIRM BIT(6)
#define MII_CFG1_LED_MODE_MASK GENMASK(5, 4)
@@ -40,18 +47,31 @@
#define MII_INTSRC_TEMP_ERR BIT(1)
#define MII_INTSRC_UV_ERR BIT(3)
+#define MII_INTEN 22
+#define MII_INTEN_LINK_FAIL BIT(10)
+#define MII_INTEN_LINK_UP BIT(9)
+
#define MII_COMMSTAT 23
#define MII_COMMSTAT_LINK_UP BIT(15)
+#define MII_COMMSTAT_SQI_STATE GENMASK(7, 5)
+#define MII_COMMSTAT_SQI_MAX 7
#define MII_GENSTAT 24
#define MII_GENSTAT_PLL_LOCKED BIT(14)
+#define MII_EXTSTAT 25
+#define MII_EXTSTAT_SHORT_DETECT BIT(8)
+#define MII_EXTSTAT_OPEN_DETECT BIT(7)
+#define MII_EXTSTAT_POLARITY_DETECT BIT(6)
+
#define MII_COMMCFG 27
#define MII_COMMCFG_AUTO_OP BIT(15)
struct tja11xx_priv {
char *hwmon_name;
struct device *hwmon_dev;
+ struct phy_device *phydev;
+ struct work_struct phy_register_work;
};
struct tja11xx_phy_stats {
@@ -100,6 +120,11 @@ static int tja11xx_enable_link_control(struct phy_device *phydev)
return phy_set_bits(phydev, MII_ECTRL, MII_ECTRL_LINK_CONTROL);
}
+static int tja11xx_disable_link_control(struct phy_device *phydev)
+{
+ return phy_clear_bits(phydev, MII_ECTRL, MII_ECTRL_LINK_CONTROL);
+}
+
static int tja11xx_wakeup(struct phy_device *phydev)
{
int ret;
@@ -157,6 +182,70 @@ static int tja11xx_soft_reset(struct phy_device *phydev)
return genphy_soft_reset(phydev);
}
+static int tja11xx_config_aneg_cable_test(struct phy_device *phydev)
+{
+ bool finished = false;
+ int ret;
+
+ if (phydev->link)
+ return 0;
+
+ if (!phydev->drv->cable_test_start ||
+ !phydev->drv->cable_test_get_status)
+ return 0;
+
+ ret = ethnl_cable_test_alloc(phydev, ETHTOOL_MSG_CABLE_TEST_NTF);
+ if (ret)
+ return ret;
+
+ ret = phydev->drv->cable_test_start(phydev);
+ if (ret)
+ return ret;
+
+ /* According to the documentation this test takes 100 usec */
+ usleep_range(100, 200);
+
+ ret = phydev->drv->cable_test_get_status(phydev, &finished);
+ if (ret)
+ return ret;
+
+ if (finished)
+ ethnl_cable_test_finished(phydev);
+
+ return 0;
+}
+
+static int tja11xx_config_aneg(struct phy_device *phydev)
+{
+ int ret, changed = 0;
+ u16 ctl = 0;
+
+ switch (phydev->master_slave_set) {
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ ctl |= MII_CFG1_MASTER_SLAVE;
+ break;
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ break;
+ case MASTER_SLAVE_CFG_UNKNOWN:
+ case MASTER_SLAVE_CFG_UNSUPPORTED:
+ goto do_test;
+ default:
+ phydev_warn(phydev, "Unsupported Master/Slave mode\n");
+ return -ENOTSUPP;
+ }
+
+ changed = phy_modify_changed(phydev, MII_CFG1, MII_CFG1_MASTER_SLAVE, ctl);
+ if (changed < 0)
+ return changed;
+
+do_test:
+ ret = tja11xx_config_aneg_cable_test(phydev);
+ if (ret)
+ return ret;
+
+ return __genphy_config_aneg(phydev, changed);
+}
+
static int tja11xx_config_init(struct phy_device *phydev)
{
int ret;
@@ -180,6 +269,7 @@ static int tja11xx_config_init(struct phy_device *phydev)
return ret;
break;
case PHY_ID_TJA1101:
+ case PHY_ID_TJA1102:
ret = phy_set_bits(phydev, MII_COMMCFG, MII_COMMCFG_AUTO_OP);
if (ret)
return ret;
@@ -213,10 +303,22 @@ static int tja11xx_read_status(struct phy_device *phydev)
{
int ret;
+ phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
+
ret = genphy_update_link(phydev);
if (ret)
return ret;
+ ret = phy_read(phydev, MII_CFG1);
+ if (ret < 0)
+ return ret;
+
+ if (ret & MII_CFG1_MASTER_SLAVE)
+ phydev->master_slave_get = MASTER_SLAVE_CFG_MASTER_FORCE;
+ else
+ phydev->master_slave_get = MASTER_SLAVE_CFG_SLAVE_FORCE;
+
if (phydev->link) {
ret = phy_read(phydev, MII_COMMSTAT);
if (ret < 0)
@@ -229,6 +331,22 @@ static int tja11xx_read_status(struct phy_device *phydev)
return 0;
}
+static int tja11xx_get_sqi(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, MII_COMMSTAT);
+ if (ret < 0)
+ return ret;
+
+ return FIELD_GET(MII_COMMSTAT_SQI_STATE, ret);
+}
+
+static int tja11xx_get_sqi_max(struct phy_device *phydev)
+{
+ return MII_COMMSTAT_SQI_MAX;
+}
+
static int tja11xx_get_sset_count(struct phy_device *phydev)
{
return ARRAY_SIZE(tja11xx_hw_stats);
@@ -317,16 +435,12 @@ static const struct hwmon_chip_info tja11xx_hwmon_chip_info = {
.info = tja11xx_hwmon_info,
};
-static int tja11xx_probe(struct phy_device *phydev)
+static int tja11xx_hwmon_register(struct phy_device *phydev,
+ struct tja11xx_priv *priv)
{
struct device *dev = &phydev->mdio.dev;
- struct tja11xx_priv *priv;
int i;
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
priv->hwmon_name = devm_kstrdup(dev, dev_name(dev), GFP_KERNEL);
if (!priv->hwmon_name)
return -ENOMEM;
@@ -344,6 +458,239 @@ static int tja11xx_probe(struct phy_device *phydev)
return PTR_ERR_OR_ZERO(priv->hwmon_dev);
}
+static int tja11xx_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct tja11xx_priv *priv;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->phydev = phydev;
+
+ return tja11xx_hwmon_register(phydev, priv);
+}
+
+static void tja1102_p1_register(struct work_struct *work)
+{
+ struct tja11xx_priv *priv = container_of(work, struct tja11xx_priv,
+ phy_register_work);
+ struct phy_device *phydev_phy0 = priv->phydev;
+ struct mii_bus *bus = phydev_phy0->mdio.bus;
+ struct device *dev = &phydev_phy0->mdio.dev;
+ struct device_node *np = dev->of_node;
+ struct device_node *child;
+ int ret;
+
+ for_each_available_child_of_node(np, child) {
+ struct phy_device *phy;
+ int addr;
+
+ addr = of_mdio_parse_addr(dev, child);
+ if (addr < 0) {
+ dev_err(dev, "Can't parse addr\n");
+ continue;
+ } else if (addr != phydev_phy0->mdio.addr + 1) {
+ /* Currently we care only about double PHY chip TJA1102.
+ * If some day NXP will decide to bring chips with more
+ * PHYs, this logic should be reworked.
+ */
+ dev_err(dev, "Unexpected address. Should be: %i\n",
+ phydev_phy0->mdio.addr + 1);
+ continue;
+ }
+
+ if (mdiobus_is_registered_device(bus, addr)) {
+ dev_err(dev, "device is already registered\n");
+ continue;
+ }
+
+ /* Real PHY ID of Port 1 is 0 */
+ phy = phy_device_create(bus, addr, PHY_ID_TJA1102, false, NULL);
+ if (IS_ERR(phy)) {
+ dev_err(dev, "Can't create PHY device for Port 1: %i\n",
+ addr);
+ continue;
+ }
+
+ /* Overwrite parent device. phy_device_create() set parent to
+ * the mii_bus->dev, which is not correct in case.
+ */
+ phy->mdio.dev.parent = dev;
+
+ ret = of_mdiobus_phy_device_register(bus, phy, child, addr);
+ if (ret) {
+ /* All resources needed for Port 1 should be already
+ * available for Port 0. Both ports use the same
+ * interrupt line, so -EPROBE_DEFER would make no sense
+ * here.
+ */
+ dev_err(dev, "Can't register Port 1. Unexpected error: %i\n",
+ ret);
+ phy_device_free(phy);
+ }
+ }
+}
+
+static int tja1102_p0_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct tja11xx_priv *priv;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->phydev = phydev;
+ INIT_WORK(&priv->phy_register_work, tja1102_p1_register);
+
+ ret = tja11xx_hwmon_register(phydev, priv);
+ if (ret)
+ return ret;
+
+ schedule_work(&priv->phy_register_work);
+
+ return 0;
+}
+
+static int tja1102_match_phy_device(struct phy_device *phydev, bool port0)
+{
+ int ret;
+
+ if ((phydev->phy_id & PHY_ID_MASK) != PHY_ID_TJA1102)
+ return 0;
+
+ ret = phy_read(phydev, MII_PHYSID2);
+ if (ret < 0)
+ return ret;
+
+ /* TJA1102 Port 1 has phyid 0 and doesn't support temperature
+ * and undervoltage alarms.
+ */
+ if (port0)
+ return ret ? 1 : 0;
+
+ return !ret;
+}
+
+static int tja1102_p0_match_phy_device(struct phy_device *phydev)
+{
+ return tja1102_match_phy_device(phydev, true);
+}
+
+static int tja1102_p1_match_phy_device(struct phy_device *phydev)
+{
+ return tja1102_match_phy_device(phydev, false);
+}
+
+static int tja11xx_ack_interrupt(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, MII_INTSRC);
+
+ return (ret < 0) ? ret : 0;
+}
+
+static int tja11xx_config_intr(struct phy_device *phydev)
+{
+ int value = 0;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ value = MII_INTEN_LINK_FAIL | MII_INTEN_LINK_UP;
+
+ return phy_write(phydev, MII_INTEN, value);
+}
+
+static int tja11xx_cable_test_start(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_clear_bits(phydev, MII_COMMCFG, MII_COMMCFG_AUTO_OP);
+ if (ret)
+ return ret;
+
+ ret = tja11xx_wakeup(phydev);
+ if (ret < 0)
+ return ret;
+
+ ret = tja11xx_disable_link_control(phydev);
+ if (ret < 0)
+ return ret;
+
+ return phy_set_bits(phydev, MII_ECTRL, MII_ECTRL_CABLE_TEST);
+}
+
+/*
+ * | BI_DA+ | BI_DA- | Result
+ * | open | open | open
+ * | + short to - | - short to + | short
+ * | short to Vdd | open | open
+ * | open | shot to Vdd | open
+ * | short to Vdd | short to Vdd | short
+ * | shot to GND | open | open
+ * | open | shot to GND | open
+ * | short to GND | shot to GND | short
+ * | connected to active link partner (master) | shot and open
+ */
+static int tja11xx_cable_test_report_trans(u32 result)
+{
+ u32 mask = MII_EXTSTAT_SHORT_DETECT | MII_EXTSTAT_OPEN_DETECT;
+
+ if ((result & mask) == mask) {
+ /* connected to active link partner (master) */
+ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
+ } else if ((result & mask) == 0) {
+ return ETHTOOL_A_CABLE_RESULT_CODE_OK;
+ } else if (result & MII_EXTSTAT_SHORT_DETECT) {
+ return ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT;
+ } else if (result & MII_EXTSTAT_OPEN_DETECT) {
+ return ETHTOOL_A_CABLE_RESULT_CODE_OPEN;
+ } else {
+ return ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC;
+ }
+}
+
+static int tja11xx_cable_test_report(struct phy_device *phydev)
+{
+ int ret;
+
+ ret = phy_read(phydev, MII_EXTSTAT);
+ if (ret < 0)
+ return ret;
+
+ ethnl_cable_test_result(phydev, ETHTOOL_A_CABLE_PAIR_A,
+ tja11xx_cable_test_report_trans(ret));
+
+ return 0;
+}
+
+static int tja11xx_cable_test_get_status(struct phy_device *phydev,
+ bool *finished)
+{
+ int ret;
+
+ *finished = false;
+
+ ret = phy_read(phydev, MII_ECTRL);
+ if (ret < 0)
+ return ret;
+
+ if (!(ret & MII_ECTRL_CABLE_TEST)) {
+ *finished = true;
+
+ ret = phy_set_bits(phydev, MII_COMMCFG, MII_COMMCFG_AUTO_OP);
+ if (ret)
+ return ret;
+
+ return tja11xx_cable_test_report(phydev);
+ }
+
+ return 0;
+}
+
static struct phy_driver tja11xx_driver[] = {
{
PHY_ID_MATCH_MODEL(PHY_ID_TJA1100),
@@ -351,8 +698,11 @@ static struct phy_driver tja11xx_driver[] = {
.features = PHY_BASIC_T1_FEATURES,
.probe = tja11xx_probe,
.soft_reset = tja11xx_soft_reset,
+ .config_aneg = tja11xx_config_aneg,
.config_init = tja11xx_config_init,
.read_status = tja11xx_read_status,
+ .get_sqi = tja11xx_get_sqi,
+ .get_sqi_max = tja11xx_get_sqi_max,
.suspend = genphy_suspend,
.resume = genphy_resume,
.set_loopback = genphy_loopback,
@@ -366,8 +716,53 @@ static struct phy_driver tja11xx_driver[] = {
.features = PHY_BASIC_T1_FEATURES,
.probe = tja11xx_probe,
.soft_reset = tja11xx_soft_reset,
+ .config_aneg = tja11xx_config_aneg,
+ .config_init = tja11xx_config_init,
+ .read_status = tja11xx_read_status,
+ .get_sqi = tja11xx_get_sqi,
+ .get_sqi_max = tja11xx_get_sqi_max,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ /* Statistics */
+ .get_sset_count = tja11xx_get_sset_count,
+ .get_strings = tja11xx_get_strings,
+ .get_stats = tja11xx_get_stats,
+ }, {
+ .name = "NXP TJA1102 Port 0",
+ .features = PHY_BASIC_T1_FEATURES,
+ .flags = PHY_POLL_CABLE_TEST,
+ .probe = tja1102_p0_probe,
+ .soft_reset = tja11xx_soft_reset,
+ .config_aneg = tja11xx_config_aneg,
+ .config_init = tja11xx_config_init,
+ .read_status = tja11xx_read_status,
+ .get_sqi = tja11xx_get_sqi,
+ .get_sqi_max = tja11xx_get_sqi_max,
+ .match_phy_device = tja1102_p0_match_phy_device,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ .set_loopback = genphy_loopback,
+ /* Statistics */
+ .get_sset_count = tja11xx_get_sset_count,
+ .get_strings = tja11xx_get_strings,
+ .get_stats = tja11xx_get_stats,
+ .ack_interrupt = tja11xx_ack_interrupt,
+ .config_intr = tja11xx_config_intr,
+ .cable_test_start = tja11xx_cable_test_start,
+ .cable_test_get_status = tja11xx_cable_test_get_status,
+ }, {
+ .name = "NXP TJA1102 Port 1",
+ .features = PHY_BASIC_T1_FEATURES,
+ .flags = PHY_POLL_CABLE_TEST,
+ /* currently no probe for Port 1 is need */
+ .soft_reset = tja11xx_soft_reset,
+ .config_aneg = tja11xx_config_aneg,
.config_init = tja11xx_config_init,
.read_status = tja11xx_read_status,
+ .get_sqi = tja11xx_get_sqi,
+ .get_sqi_max = tja11xx_get_sqi_max,
+ .match_phy_device = tja1102_p1_match_phy_device,
.suspend = genphy_suspend,
.resume = genphy_resume,
.set_loopback = genphy_loopback,
@@ -375,6 +770,10 @@ static struct phy_driver tja11xx_driver[] = {
.get_sset_count = tja11xx_get_sset_count,
.get_strings = tja11xx_get_strings,
.get_stats = tja11xx_get_stats,
+ .ack_interrupt = tja11xx_ack_interrupt,
+ .config_intr = tja11xx_config_intr,
+ .cable_test_start = tja11xx_cable_test_start,
+ .cable_test_get_status = tja11xx_cable_test_get_status,
}
};
@@ -383,6 +782,7 @@ module_phy_driver(tja11xx_driver);
static struct mdio_device_id __maybe_unused tja11xx_tbl[] = {
{ PHY_ID_MATCH_MODEL(PHY_ID_TJA1100) },
{ PHY_ID_MATCH_MODEL(PHY_ID_TJA1101) },
+ { PHY_ID_MATCH_MODEL(PHY_ID_TJA1102) },
{ }
};
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index 67ba47ae5284..defe09d94422 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -564,6 +564,5 @@ struct phy_driver genphy_c45_driver = {
.phy_id = 0xffffffff,
.phy_id_mask = 0xffffffff,
.name = "Generic Clause 45 PHY",
- .soft_reset = genphy_no_soft_reset,
.read_status = genphy_c45_read_status,
};
diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 66b8c61ca74c..46bd68e9ecfa 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -428,9 +428,8 @@ int __phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum)
if (phydev->drv && phydev->drv->read_mmd) {
val = phydev->drv->read_mmd(phydev, devad, regnum);
} else if (phydev->is_c45) {
- u32 addr = MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff);
-
- val = __mdiobus_read(phydev->mdio.bus, phydev->mdio.addr, addr);
+ val = __mdiobus_c45_read(phydev->mdio.bus, phydev->mdio.addr,
+ devad, regnum);
} else {
struct mii_bus *bus = phydev->mdio.bus;
int phy_addr = phydev->mdio.addr;
@@ -485,10 +484,8 @@ int __phy_write_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val)
if (phydev->drv && phydev->drv->write_mmd) {
ret = phydev->drv->write_mmd(phydev, devad, regnum, val);
} else if (phydev->is_c45) {
- u32 addr = MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff);
-
- ret = __mdiobus_write(phydev->mdio.bus, phydev->mdio.addr,
- addr, val);
+ ret = __mdiobus_c45_write(phydev->mdio.bus, phydev->mdio.addr,
+ devad, regnum, val);
} else {
struct mii_bus *bus = phydev->mdio.bus;
int phy_addr = phydev->mdio.addr;
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 72c69a9c8a98..1de3938628f4 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -15,12 +15,14 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
+#include <linux/netlink.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
+#include <linux/ethtool_netlink.h>
#include <linux/phy.h>
#include <linux/phy_led_triggers.h>
#include <linux/sfp.h>
@@ -29,6 +31,9 @@
#include <linux/io.h>
#include <linux/uaccess.h>
#include <linux/atomic.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+#include <net/sock.h>
#define PHY_STATE_TIME HZ
@@ -44,6 +49,7 @@ static const char *phy_state_to_str(enum phy_state st)
PHY_STATE_STR(UP)
PHY_STATE_STR(RUNNING)
PHY_STATE_STR(NOLINK)
+ PHY_STATE_STR(CABLETEST)
PHY_STATE_STR(HALTED)
}
@@ -52,13 +58,13 @@ static const char *phy_state_to_str(enum phy_state st)
static void phy_link_up(struct phy_device *phydev)
{
- phydev->phy_link_change(phydev, true, true);
+ phydev->phy_link_change(phydev, true);
phy_led_trigger_change_speed(phydev);
}
-static void phy_link_down(struct phy_device *phydev, bool do_carrier)
+static void phy_link_down(struct phy_device *phydev)
{
- phydev->phy_link_change(phydev, false, do_carrier);
+ phydev->phy_link_change(phydev, false);
phy_led_trigger_change_speed(phydev);
}
@@ -295,7 +301,7 @@ int phy_ethtool_ksettings_set(struct phy_device *phydev,
phydev->advertising, autoneg == AUTONEG_ENABLE);
phydev->duplex = duplex;
-
+ phydev->master_slave_set = cmd->base.master_slave_cfg;
phydev->mdix_ctrl = cmd->base.eth_tp_mdix_ctrl;
/* Restart the PHY */
@@ -314,6 +320,8 @@ void phy_ethtool_ksettings_get(struct phy_device *phydev,
cmd->base.speed = phydev->speed;
cmd->base.duplex = phydev->duplex;
+ cmd->base.master_slave_cfg = phydev->master_slave_get;
+ cmd->base.master_slave_state = phydev->master_slave_state;
if (phydev->interface == PHY_INTERFACE_MODE_MOCA)
cmd->base.port = PORT_BNC;
else
@@ -353,7 +361,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
if (mdio_phy_id_is_c45(mii_data->phy_id)) {
prtad = mdio_phy_id_prtad(mii_data->phy_id);
devad = mdio_phy_id_devad(mii_data->phy_id);
- devad = MII_ADDR_C45 | devad << 16 | mii_data->reg_num;
+ devad = mdiobus_c45_addr(devad, mii_data->reg_num);
} else {
prtad = mii_data->phy_id;
devad = mii_data->reg_num;
@@ -366,7 +374,7 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
if (mdio_phy_id_is_c45(mii_data->phy_id)) {
prtad = mdio_phy_id_prtad(mii_data->phy_id);
devad = mdio_phy_id_devad(mii_data->phy_id);
- devad = MII_ADDR_C45 | devad << 16 | mii_data->reg_num;
+ devad = mdiobus_c45_addr(devad, mii_data->reg_num);
} else {
prtad = mii_data->phy_id;
devad = mii_data->reg_num;
@@ -470,6 +478,144 @@ static void phy_trigger_machine(struct phy_device *phydev)
phy_queue_state_machine(phydev, 0);
}
+static void phy_abort_cable_test(struct phy_device *phydev)
+{
+ int err;
+
+ ethnl_cable_test_finished(phydev);
+
+ err = phy_init_hw(phydev);
+ if (err)
+ phydev_err(phydev, "Error while aborting cable test");
+}
+
+int phy_start_cable_test(struct phy_device *phydev,
+ struct netlink_ext_ack *extack)
+{
+ struct net_device *dev = phydev->attached_dev;
+ int err = -ENOMEM;
+
+ if (!(phydev->drv &&
+ phydev->drv->cable_test_start &&
+ phydev->drv->cable_test_get_status)) {
+ NL_SET_ERR_MSG(extack,
+ "PHY driver does not support cable testing");
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&phydev->lock);
+ if (phydev->state == PHY_CABLETEST) {
+ NL_SET_ERR_MSG(extack,
+ "PHY already performing a test");
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (phydev->state < PHY_UP ||
+ phydev->state > PHY_CABLETEST) {
+ NL_SET_ERR_MSG(extack,
+ "PHY not configured. Try setting interface up");
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = ethnl_cable_test_alloc(phydev, ETHTOOL_MSG_CABLE_TEST_NTF);
+ if (err)
+ goto out;
+
+ /* Mark the carrier down until the test is complete */
+ phy_link_down(phydev);
+
+ netif_testing_on(dev);
+ err = phydev->drv->cable_test_start(phydev);
+ if (err) {
+ netif_testing_off(dev);
+ phy_link_up(phydev);
+ goto out_free;
+ }
+
+ phydev->state = PHY_CABLETEST;
+
+ if (phy_polling_mode(phydev))
+ phy_trigger_machine(phydev);
+
+ mutex_unlock(&phydev->lock);
+
+ return 0;
+
+out_free:
+ ethnl_cable_test_free(phydev);
+out:
+ mutex_unlock(&phydev->lock);
+
+ return err;
+}
+EXPORT_SYMBOL(phy_start_cable_test);
+
+int phy_start_cable_test_tdr(struct phy_device *phydev,
+ struct netlink_ext_ack *extack,
+ const struct phy_tdr_config *config)
+{
+ struct net_device *dev = phydev->attached_dev;
+ int err = -ENOMEM;
+
+ if (!(phydev->drv &&
+ phydev->drv->cable_test_tdr_start &&
+ phydev->drv->cable_test_get_status)) {
+ NL_SET_ERR_MSG(extack,
+ "PHY driver does not support cable test TDR");
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&phydev->lock);
+ if (phydev->state == PHY_CABLETEST) {
+ NL_SET_ERR_MSG(extack,
+ "PHY already performing a test");
+ err = -EBUSY;
+ goto out;
+ }
+
+ if (phydev->state < PHY_UP ||
+ phydev->state > PHY_CABLETEST) {
+ NL_SET_ERR_MSG(extack,
+ "PHY not configured. Try setting interface up");
+ err = -EBUSY;
+ goto out;
+ }
+
+ err = ethnl_cable_test_alloc(phydev, ETHTOOL_MSG_CABLE_TEST_TDR_NTF);
+ if (err)
+ goto out;
+
+ /* Mark the carrier down until the test is complete */
+ phy_link_down(phydev);
+
+ netif_testing_on(dev);
+ err = phydev->drv->cable_test_tdr_start(phydev, config);
+ if (err) {
+ netif_testing_off(dev);
+ phy_link_up(phydev);
+ goto out_free;
+ }
+
+ phydev->state = PHY_CABLETEST;
+
+ if (phy_polling_mode(phydev))
+ phy_trigger_machine(phydev);
+
+ mutex_unlock(&phydev->lock);
+
+ return 0;
+
+out_free:
+ ethnl_cable_test_free(phydev);
+out:
+ mutex_unlock(&phydev->lock);
+
+ return err;
+}
+EXPORT_SYMBOL(phy_start_cable_test_tdr);
+
static int phy_config_aneg(struct phy_device *phydev)
{
if (phydev->drv->config_aneg)
@@ -513,7 +659,7 @@ static int phy_check_link_status(struct phy_device *phydev)
phy_link_up(phydev);
} else if (!phydev->link && phydev->state != PHY_NOLINK) {
phydev->state = PHY_NOLINK;
- phy_link_down(phydev, true);
+ phy_link_down(phydev);
}
return 0;
@@ -800,6 +946,8 @@ EXPORT_SYMBOL(phy_free_interrupt);
*/
void phy_stop(struct phy_device *phydev)
{
+ struct net_device *dev = phydev->attached_dev;
+
if (!phy_is_started(phydev)) {
WARN(1, "called from state %s\n",
phy_state_to_str(phydev->state));
@@ -808,6 +956,11 @@ void phy_stop(struct phy_device *phydev)
mutex_lock(&phydev->lock);
+ if (phydev->state == PHY_CABLETEST) {
+ phy_abort_cable_test(phydev);
+ netif_testing_off(dev);
+ }
+
if (phydev->sfp_bus)
sfp_upstream_stop(phydev->sfp_bus);
@@ -868,8 +1021,10 @@ void phy_state_machine(struct work_struct *work)
struct delayed_work *dwork = to_delayed_work(work);
struct phy_device *phydev =
container_of(dwork, struct phy_device, state_queue);
+ struct net_device *dev = phydev->attached_dev;
bool needs_aneg = false, do_suspend = false;
enum phy_state old_state;
+ bool finished = false;
int err = 0;
mutex_lock(&phydev->lock);
@@ -888,10 +1043,27 @@ void phy_state_machine(struct work_struct *work)
case PHY_RUNNING:
err = phy_check_link_status(phydev);
break;
+ case PHY_CABLETEST:
+ err = phydev->drv->cable_test_get_status(phydev, &finished);
+ if (err) {
+ phy_abort_cable_test(phydev);
+ netif_testing_off(dev);
+ needs_aneg = true;
+ phydev->state = PHY_UP;
+ break;
+ }
+
+ if (finished) {
+ ethnl_cable_test_finished(phydev);
+ netif_testing_off(dev);
+ needs_aneg = true;
+ phydev->state = PHY_UP;
+ }
+ break;
case PHY_HALTED:
if (phydev->link) {
phydev->link = 0;
- phy_link_down(phydev, true);
+ phy_link_down(phydev);
}
do_suspend = true;
break;
@@ -1132,9 +1304,11 @@ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data)
/* Restart autonegotiation so the new modes get sent to the
* link partner.
*/
- ret = phy_restart_aneg(phydev);
- if (ret < 0)
- return ret;
+ if (phydev->autoneg == AUTONEG_ENABLE) {
+ ret = phy_restart_aneg(phydev);
+ if (ret < 0)
+ return ret;
+ }
}
return 0;
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index ac2784192472..04946de74fa0 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -675,16 +675,14 @@ EXPORT_SYMBOL(phy_device_create);
static int get_phy_c45_devs_in_pkg(struct mii_bus *bus, int addr, int dev_addr,
u32 *devices_in_package)
{
- int phy_reg, reg_addr;
+ int phy_reg;
- reg_addr = MII_ADDR_C45 | dev_addr << 16 | MDIO_DEVS2;
- phy_reg = mdiobus_read(bus, addr, reg_addr);
+ phy_reg = mdiobus_c45_read(bus, addr, dev_addr, MDIO_DEVS2);
if (phy_reg < 0)
return -EIO;
*devices_in_package = phy_reg << 16;
- reg_addr = MII_ADDR_C45 | dev_addr << 16 | MDIO_DEVS1;
- phy_reg = mdiobus_read(bus, addr, reg_addr);
+ phy_reg = mdiobus_c45_read(bus, addr, dev_addr, MDIO_DEVS1);
if (phy_reg < 0)
return -EIO;
*devices_in_package |= phy_reg;
@@ -709,11 +707,11 @@ static int get_phy_c45_devs_in_pkg(struct mii_bus *bus, int addr, int dev_addr,
*
*/
static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id,
- struct phy_c45_device_ids *c45_ids) {
- int phy_reg;
- int i, reg_addr;
+ struct phy_c45_device_ids *c45_ids)
+{
const int num_ids = ARRAY_SIZE(c45_ids->device_ids);
u32 *devs = &c45_ids->devices_in_package;
+ int i, phy_reg;
/* Find first non-zero Devices In package. Device zero is reserved
* for 802.3 c45 complied PHYs, so don't probe it at first.
@@ -747,14 +745,12 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id,
if (!(c45_ids->devices_in_package & (1 << i)))
continue;
- reg_addr = MII_ADDR_C45 | i << 16 | MII_PHYSID1;
- phy_reg = mdiobus_read(bus, addr, reg_addr);
+ phy_reg = mdiobus_c45_read(bus, addr, i, MII_PHYSID1);
if (phy_reg < 0)
return -EIO;
c45_ids->device_ids[i] = phy_reg << 16;
- reg_addr = MII_ADDR_C45 | i << 16 | MII_PHYSID2;
- phy_reg = mdiobus_read(bus, addr, reg_addr);
+ phy_reg = mdiobus_c45_read(bus, addr, i, MII_PHYSID2);
if (phy_reg < 0)
return -EIO;
c45_ids->device_ids[i] |= phy_reg;
@@ -916,16 +912,14 @@ struct phy_device *phy_find_first(struct mii_bus *bus)
}
EXPORT_SYMBOL(phy_find_first);
-static void phy_link_change(struct phy_device *phydev, bool up, bool do_carrier)
+static void phy_link_change(struct phy_device *phydev, bool up)
{
struct net_device *netdev = phydev->attached_dev;
- if (do_carrier) {
- if (up)
- netif_carrier_on(netdev);
- else
- netif_carrier_off(netdev);
- }
+ if (up)
+ netif_carrier_on(netdev);
+ else
+ netif_carrier_off(netdev);
phydev->adjust_link(netdev);
if (phydev->mii_ts && phydev->mii_ts->link_state)
phydev->mii_ts->link_state(phydev->mii_ts, phydev);
@@ -1082,8 +1076,12 @@ int phy_init_hw(struct phy_device *phydev)
if (!phydev->drv)
return 0;
- if (phydev->drv->soft_reset)
+ if (phydev->drv->soft_reset) {
ret = phydev->drv->soft_reset(phydev);
+ /* see comment in genphy_soft_reset for an explanation */
+ if (!ret)
+ phydev->suspended = 0;
+ }
if (ret < 0)
return ret;
@@ -1233,7 +1231,7 @@ int phy_sfp_probe(struct phy_device *phydev,
const struct sfp_upstream_ops *ops)
{
struct sfp_bus *bus;
- int ret;
+ int ret = 0;
if (phydev->mdio.dev.fwnode) {
bus = sfp_bus_find_fwnode(phydev->mdio.dev.fwnode);
@@ -1245,7 +1243,7 @@ int phy_sfp_probe(struct phy_device *phydev,
ret = sfp_bus_add_upstream(bus, phydev, ops);
sfp_bus_put(bus);
}
- return 0;
+ return ret;
}
EXPORT_SYMBOL(phy_sfp_probe);
@@ -1458,6 +1456,144 @@ bool phy_driver_is_genphy_10g(struct phy_device *phydev)
EXPORT_SYMBOL_GPL(phy_driver_is_genphy_10g);
/**
+ * phy_package_join - join a common PHY group
+ * @phydev: target phy_device struct
+ * @addr: cookie and PHY address for global register access
+ * @priv_size: if non-zero allocate this amount of bytes for private data
+ *
+ * This joins a PHY group and provides a shared storage for all phydevs in
+ * this group. This is intended to be used for packages which contain
+ * more than one PHY, for example a quad PHY transceiver.
+ *
+ * The addr parameter serves as a cookie which has to have the same value
+ * for all members of one group and as a PHY address to access generic
+ * registers of a PHY package. Usually, one of the PHY addresses of the
+ * different PHYs in the package provides access to these global registers.
+ * The address which is given here, will be used in the phy_package_read()
+ * and phy_package_write() convenience functions. If your PHY doesn't have
+ * global registers you can just pick any of the PHY addresses.
+ *
+ * This will set the shared pointer of the phydev to the shared storage.
+ * If this is the first call for a this cookie the shared storage will be
+ * allocated. If priv_size is non-zero, the given amount of bytes are
+ * allocated for the priv member.
+ *
+ * Returns < 1 on error, 0 on success. Esp. calling phy_package_join()
+ * with the same cookie but a different priv_size is an error.
+ */
+int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size)
+{
+ struct mii_bus *bus = phydev->mdio.bus;
+ struct phy_package_shared *shared;
+ int ret;
+
+ if (addr < 0 || addr >= PHY_MAX_ADDR)
+ return -EINVAL;
+
+ mutex_lock(&bus->shared_lock);
+ shared = bus->shared[addr];
+ if (!shared) {
+ ret = -ENOMEM;
+ shared = kzalloc(sizeof(*shared), GFP_KERNEL);
+ if (!shared)
+ goto err_unlock;
+ if (priv_size) {
+ shared->priv = kzalloc(priv_size, GFP_KERNEL);
+ if (!shared->priv)
+ goto err_free;
+ shared->priv_size = priv_size;
+ }
+ shared->addr = addr;
+ refcount_set(&shared->refcnt, 1);
+ bus->shared[addr] = shared;
+ } else {
+ ret = -EINVAL;
+ if (priv_size && priv_size != shared->priv_size)
+ goto err_unlock;
+ refcount_inc(&shared->refcnt);
+ }
+ mutex_unlock(&bus->shared_lock);
+
+ phydev->shared = shared;
+
+ return 0;
+
+err_free:
+ kfree(shared);
+err_unlock:
+ mutex_unlock(&bus->shared_lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(phy_package_join);
+
+/**
+ * phy_package_leave - leave a common PHY group
+ * @phydev: target phy_device struct
+ *
+ * This leaves a PHY group created by phy_package_join(). If this phydev
+ * was the last user of the shared data between the group, this data is
+ * freed. Resets the phydev->shared pointer to NULL.
+ */
+void phy_package_leave(struct phy_device *phydev)
+{
+ struct phy_package_shared *shared = phydev->shared;
+ struct mii_bus *bus = phydev->mdio.bus;
+
+ if (!shared)
+ return;
+
+ if (refcount_dec_and_mutex_lock(&shared->refcnt, &bus->shared_lock)) {
+ bus->shared[shared->addr] = NULL;
+ mutex_unlock(&bus->shared_lock);
+ kfree(shared->priv);
+ kfree(shared);
+ }
+
+ phydev->shared = NULL;
+}
+EXPORT_SYMBOL_GPL(phy_package_leave);
+
+static void devm_phy_package_leave(struct device *dev, void *res)
+{
+ phy_package_leave(*(struct phy_device **)res);
+}
+
+/**
+ * devm_phy_package_join - resource managed phy_package_join()
+ * @dev: device that is registering this PHY package
+ * @phydev: target phy_device struct
+ * @addr: cookie and PHY address for global register access
+ * @priv_size: if non-zero allocate this amount of bytes for private data
+ *
+ * Managed phy_package_join(). Shared storage fetched by this function,
+ * phy_package_leave() is automatically called on driver detach. See
+ * phy_package_join() for more information.
+ */
+int devm_phy_package_join(struct device *dev, struct phy_device *phydev,
+ int addr, size_t priv_size)
+{
+ struct phy_device **ptr;
+ int ret;
+
+ ptr = devres_alloc(devm_phy_package_leave, sizeof(*ptr),
+ GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ ret = phy_package_join(phydev, addr, priv_size);
+
+ if (!ret) {
+ *ptr = phydev;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(devm_phy_package_join);
+
+/**
* phy_detach - detach a PHY device from its network device
* @phydev: target phy_device struct
*
@@ -1524,6 +1660,9 @@ int phy_suspend(struct phy_device *phydev)
struct phy_driver *phydrv = phydev->drv;
int ret;
+ if (phydev->suspended)
+ return 0;
+
/* If the device has WOL enabled, we cannot suspend the PHY */
phy_ethtool_get_wol(phydev, &wol);
if (wol.wolopts || (netdev && netdev->wol_enabled))
@@ -1768,6 +1907,90 @@ int genphy_setup_forced(struct phy_device *phydev)
}
EXPORT_SYMBOL(genphy_setup_forced);
+static int genphy_setup_master_slave(struct phy_device *phydev)
+{
+ u16 ctl = 0;
+
+ if (!phydev->is_gigabit_capable)
+ return 0;
+
+ switch (phydev->master_slave_set) {
+ case MASTER_SLAVE_CFG_MASTER_PREFERRED:
+ ctl |= CTL1000_PREFER_MASTER;
+ break;
+ case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+ break;
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ ctl |= CTL1000_AS_MASTER;
+ /* fallthrough */
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ ctl |= CTL1000_ENABLE_MASTER;
+ break;
+ case MASTER_SLAVE_CFG_UNKNOWN:
+ case MASTER_SLAVE_CFG_UNSUPPORTED:
+ return 0;
+ default:
+ phydev_warn(phydev, "Unsupported Master/Slave mode\n");
+ return -EOPNOTSUPP;
+ }
+
+ return phy_modify_changed(phydev, MII_CTRL1000,
+ (CTL1000_ENABLE_MASTER | CTL1000_AS_MASTER |
+ CTL1000_PREFER_MASTER), ctl);
+}
+
+static int genphy_read_master_slave(struct phy_device *phydev)
+{
+ int cfg, state;
+ int val;
+
+ if (!phydev->is_gigabit_capable) {
+ phydev->master_slave_get = MASTER_SLAVE_CFG_UNSUPPORTED;
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
+ return 0;
+ }
+
+ phydev->master_slave_get = MASTER_SLAVE_CFG_UNKNOWN;
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
+
+ val = phy_read(phydev, MII_CTRL1000);
+ if (val < 0)
+ return val;
+
+ if (val & CTL1000_ENABLE_MASTER) {
+ if (val & CTL1000_AS_MASTER)
+ cfg = MASTER_SLAVE_CFG_MASTER_FORCE;
+ else
+ cfg = MASTER_SLAVE_CFG_SLAVE_FORCE;
+ } else {
+ if (val & CTL1000_PREFER_MASTER)
+ cfg = MASTER_SLAVE_CFG_MASTER_PREFERRED;
+ else
+ cfg = MASTER_SLAVE_CFG_SLAVE_PREFERRED;
+ }
+
+ val = phy_read(phydev, MII_STAT1000);
+ if (val < 0)
+ return val;
+
+ if (val & LPA_1000MSFAIL) {
+ state = MASTER_SLAVE_STATE_ERR;
+ } else if (phydev->link) {
+ /* this bits are valid only for active link */
+ if (val & LPA_1000MSRES)
+ state = MASTER_SLAVE_STATE_MASTER;
+ else
+ state = MASTER_SLAVE_STATE_SLAVE;
+ } else {
+ state = MASTER_SLAVE_STATE_UNKNOWN;
+ }
+
+ phydev->master_slave_get = cfg;
+ phydev->master_slave_state = state;
+
+ return 0;
+}
+
/**
* genphy_restart_aneg - Enable and Restart Autonegotiation
* @phydev: target phy_device struct
@@ -1826,6 +2049,12 @@ int __genphy_config_aneg(struct phy_device *phydev, bool changed)
if (genphy_config_eee_advert(phydev))
changed = true;
+ err = genphy_setup_master_slave(phydev);
+ if (err < 0)
+ return err;
+ else if (err)
+ changed = true;
+
if (AUTONEG_ENABLE != phydev->autoneg)
return genphy_setup_forced(phydev);
@@ -2060,6 +2289,10 @@ int genphy_read_status(struct phy_device *phydev)
phydev->pause = 0;
phydev->asym_pause = 0;
+ err = genphy_read_master_slave(phydev);
+ if (err < 0)
+ return err;
+
err = genphy_read_lpa(phydev);
if (err < 0)
return err;
@@ -2154,6 +2387,12 @@ int genphy_soft_reset(struct phy_device *phydev)
if (ret < 0)
return ret;
+ /* Clause 22 states that setting bit BMCR_RESET sets control registers
+ * to their default value. Therefore the POWER DOWN bit is supposed to
+ * be cleared after soft reset.
+ */
+ phydev->suspended = 0;
+
ret = phy_poll_reset(phydev);
if (ret)
return ret;
@@ -2627,7 +2866,6 @@ static struct phy_driver genphy_driver = {
.phy_id = 0xffffffff,
.phy_id_mask = 0xffffffff,
.name = "Generic PHY",
- .soft_reset = genphy_no_soft_reset,
.get_features = genphy_read_abilities,
.suspend = genphy_suspend,
.resume = genphy_resume,
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 34ca12aec61b..0ab65fb75258 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -480,8 +480,8 @@ static void phylink_get_fixed_state(struct phylink *pl,
struct phylink_link_state *state)
{
*state = pl->link_config;
- if (pl->get_fixed_state)
- pl->get_fixed_state(pl->netdev, state);
+ if (pl->config->get_fixed_state)
+ pl->config->get_fixed_state(pl->config, state);
else if (pl->link_gpio)
state->link = !!gpiod_get_value_cansleep(pl->link_gpio);
@@ -803,8 +803,7 @@ void phylink_destroy(struct phylink *pl)
}
EXPORT_SYMBOL_GPL(phylink_destroy);
-static void phylink_phy_change(struct phy_device *phydev, bool up,
- bool do_carrier)
+static void phylink_phy_change(struct phy_device *phydev, bool up)
{
struct phylink *pl = phydev->phylink;
bool tx_pause, rx_pause;
@@ -1045,32 +1044,6 @@ void phylink_disconnect_phy(struct phylink *pl)
EXPORT_SYMBOL_GPL(phylink_disconnect_phy);
/**
- * phylink_fixed_state_cb() - allow setting a fixed link callback
- * @pl: a pointer to a &struct phylink returned from phylink_create()
- * @cb: callback to execute to determine the fixed link state.
- *
- * The MAC driver should call this driver when the state of its link
- * can be determined through e.g: an out of band MMIO register.
- */
-int phylink_fixed_state_cb(struct phylink *pl,
- void (*cb)(struct net_device *dev,
- struct phylink_link_state *state))
-{
- /* It does not make sense to let the link be overriden unless we use
- * MLO_AN_FIXED
- */
- if (pl->cfg_link_an_mode != MLO_AN_FIXED)
- return -EINVAL;
-
- mutex_lock(&pl->state_mutex);
- pl->get_fixed_state = cb;
- mutex_unlock(&pl->state_mutex);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(phylink_fixed_state_cb);
-
-/**
* phylink_mac_change() - notify phylink of a change in MAC state
* @pl: a pointer to a &struct phylink returned from phylink_create()
* @up: indicates whether the link is currently up.
@@ -1106,6 +1079,8 @@ static irqreturn_t phylink_link_handler(int irq, void *data)
*/
void phylink_start(struct phylink *pl)
{
+ bool poll = false;
+
ASSERT_RTNL();
phylink_info(pl, "configuring for %s/%s link mode\n",
@@ -1142,10 +1117,18 @@ void phylink_start(struct phylink *pl)
irq = 0;
}
if (irq <= 0)
- mod_timer(&pl->link_poll, jiffies + HZ);
+ poll = true;
+ }
+
+ switch (pl->cfg_link_an_mode) {
+ case MLO_AN_FIXED:
+ poll |= pl->config->poll_fixed_state;
+ break;
+ case MLO_AN_INBAND:
+ poll |= pl->config->pcs_poll;
+ break;
}
- if ((pl->cfg_link_an_mode == MLO_AN_FIXED && pl->get_fixed_state) ||
- pl->config->pcs_poll)
+ if (poll)
mod_timer(&pl->link_poll, jiffies + HZ);
if (pl->phydev)
phy_start(pl->phydev);
@@ -1648,7 +1631,7 @@ static int phylink_phy_read(struct phylink *pl, unsigned int phy_id,
if (mdio_phy_id_is_c45(phy_id)) {
prtad = mdio_phy_id_prtad(phy_id);
devad = mdio_phy_id_devad(phy_id);
- devad = MII_ADDR_C45 | devad << 16 | reg;
+ devad = mdiobus_c45_addr(devad, reg);
} else if (phydev->is_c45) {
switch (reg) {
case MII_BMCR:
@@ -1671,7 +1654,7 @@ static int phylink_phy_read(struct phylink *pl, unsigned int phy_id,
return -EINVAL;
}
prtad = phy_id;
- devad = MII_ADDR_C45 | devad << 16 | reg;
+ devad = mdiobus_c45_addr(devad, reg);
} else {
prtad = phy_id;
devad = reg;
@@ -1688,7 +1671,7 @@ static int phylink_phy_write(struct phylink *pl, unsigned int phy_id,
if (mdio_phy_id_is_c45(phy_id)) {
prtad = mdio_phy_id_prtad(phy_id);
devad = mdio_phy_id_devad(phy_id);
- devad = MII_ADDR_C45 | devad << 16 | reg;
+ devad = mdiobus_c45_addr(devad, reg);
} else if (phydev->is_c45) {
switch (reg) {
case MII_BMCR:
@@ -1711,7 +1694,7 @@ static int phylink_phy_write(struct phylink *pl, unsigned int phy_id,
return -EINVAL;
}
prtad = phy_id;
- devad = MII_ADDR_C45 | devad << 16 | reg;
+ devad = mdiobus_c45_addr(devad, reg);
} else {
prtad = phy_id;
devad = reg;
@@ -2309,7 +2292,6 @@ void phylink_mii_c22_pcs_an_restart(struct mdio_device *pcs)
}
EXPORT_SYMBOL_GPL(phylink_mii_c22_pcs_an_restart);
-#define C45_ADDR(d,a) (MII_ADDR_C45 | (d) << 16 | (a))
void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
struct phylink_link_state *state)
{
@@ -2317,7 +2299,7 @@ void phylink_mii_c45_pcs_get_state(struct mdio_device *pcs,
int addr = pcs->addr;
int stat;
- stat = mdiobus_read(bus, addr, C45_ADDR(MDIO_MMD_PCS, MDIO_STAT1));
+ stat = mdiobus_c45_read(bus, addr, MDIO_MMD_PCS, MDIO_STAT1);
if (stat < 0) {
state->link = false;
return;
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 2d99e9de6ee1..c7229d022a27 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -11,6 +11,7 @@
#include <linux/bitops.h>
#include <linux/phy.h>
#include <linux/module.h>
+#include <linux/delay.h>
#define RTL821x_PHYSR 0x11
#define RTL821x_PHYSR_DUPLEX BIT(13)
@@ -526,6 +527,16 @@ static int rtl8125_match_phy_device(struct phy_device *phydev)
rtlgen_supports_2_5gbps(phydev);
}
+static int rtlgen_resume(struct phy_device *phydev)
+{
+ int ret = genphy_resume(phydev);
+
+ /* Internal PHY's from RTL8168h up may not be instantly ready */
+ msleep(20);
+
+ return ret;
+}
+
static struct phy_driver realtek_drvs[] = {
{
PHY_ID_MATCH_EXACT(0x00008201),
@@ -609,7 +620,7 @@ static struct phy_driver realtek_drvs[] = {
.match_phy_device = rtlgen_match_phy_device,
.read_status = rtlgen_read_status,
.suspend = genphy_suspend,
- .resume = genphy_resume,
+ .resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
.read_mmd = rtlgen_read_mmd,
@@ -621,7 +632,7 @@ static struct phy_driver realtek_drvs[] = {
.config_aneg = rtl8125_config_aneg,
.read_status = rtl8125_read_status,
.suspend = genphy_suspend,
- .resume = genphy_resume,
+ .resume = rtlgen_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
.read_mmd = rtl8125_read_mmd,
diff --git a/drivers/net/phy/swphy.c b/drivers/net/phy/swphy.c
index 53c214a22b95..59f1ba4d49bc 100644
--- a/drivers/net/phy/swphy.c
+++ b/drivers/net/phy/swphy.c
@@ -2,7 +2,7 @@
/*
* Software PHY emulation
*
- * Code taken from fixed_phy.c by Russell King <rmk+kernel@arm.linux.org.uk>
+ * Code taken from fixed_phy.c by Russell King.
*
* Author: Vitaly Bordug <vbordug@ru.mvista.com>
* Anton Vorontsov <avorontsov@ru.mvista.com>
diff --git a/drivers/net/phy/teranetics.c b/drivers/net/phy/teranetics.c
index beb054b931ee..8057ea8dbc21 100644
--- a/drivers/net/phy/teranetics.c
+++ b/drivers/net/phy/teranetics.c
@@ -78,7 +78,6 @@ static struct phy_driver teranetics_driver[] = {
.phy_id_mask = 0xffffffff,
.name = "Teranetics TN2020",
.features = PHY_10GBIT_FEATURES,
- .soft_reset = genphy_no_soft_reset,
.aneg_done = teranetics_aneg_done,
.config_aneg = gen10g_config_aneg,
.read_status = teranetics_read_status,
diff --git a/drivers/net/plip/Kconfig b/drivers/net/plip/Kconfig
index b41035be2d51..e03556d1d0c2 100644
--- a/drivers/net/plip/Kconfig
+++ b/drivers/net/plip/Kconfig
@@ -21,7 +21,7 @@ config PLIP
bits at a time (mode 0) or with special PLIP cables, to be used on
bidirectional parallel ports only, which can transmit 8 bits at a
time (mode 1); you can find the wiring of these cables in
- <file:Documentation/networking/PLIP.txt>. The cables can be up to
+ <file:Documentation/networking/plip.rst>. The cables can be up to
15m long. Mode 0 works also if one of the machines runs DOS/Windows
and has some PLIP software installed, e.g. the Crynwr PLIP packet
driver (<http://oak.oakland.edu/simtel.net/msdos/pktdrvr-pre.html>)
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 22cc2cb9d878..7d005896a0f9 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1410,6 +1410,8 @@ static int ppp_dev_init(struct net_device *dev)
{
struct ppp *ppp;
+ netdev_lockdep_set_classes(dev);
+
ppp = netdev_priv(dev);
/* Let the netdevice take a reference on the ppp file. This ensures
* that ppp_destroy_interface() won't run before the device gets
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index d760a36db28c..beedaad08255 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -490,6 +490,9 @@ static int pppoe_disc_rcv(struct sk_buff *skb, struct net_device *dev,
if (!skb)
goto out;
+ if (skb->pkt_type != PACKET_HOST)
+ goto abort;
+
if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
goto abort;
diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 8eeb38c6199e..2056d6ad04b5 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -166,7 +166,8 @@ static int rionet_queue_tx_msg(struct sk_buff *skb, struct net_device *ndev,
return 0;
}
-static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t rionet_start_xmit(struct sk_buff *skb,
+ struct net_device *ndev)
{
int i;
struct rionet_private *rnet = netdev_priv(ndev);
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 4004f98e50d9..8c1e02752ff6 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -468,6 +468,9 @@ static const struct team_mode *team_mode_get(const char *kind)
struct team_mode_item *mitem;
const struct team_mode *mode = NULL;
+ if (!try_module_get(THIS_MODULE))
+ return NULL;
+
spin_lock(&mode_list_lock);
mitem = __find_mode(kind);
if (!mitem) {
@@ -483,6 +486,7 @@ static const struct team_mode *team_mode_get(const char *kind)
}
spin_unlock(&mode_list_lock);
+ module_put(THIS_MODULE);
return mode;
}
@@ -1643,6 +1647,7 @@ static int team_init(struct net_device *dev)
lockdep_register_key(&team->team_lock_key);
__mutex_init(&team->lock, "team->team_lock_key", &team->team_lock_key);
+ netdev_lockdep_set_classes(dev);
return 0;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 44889eba1dbc..858b012074bd 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1295,7 +1295,7 @@ resample:
static int tun_xdp_tx(struct net_device *dev, struct xdp_buff *xdp)
{
- struct xdp_frame *frame = convert_to_xdp_frame(xdp);
+ struct xdp_frame *frame = xdp_convert_buff_to_frame(xdp);
if (unlikely(!frame))
return -EOVERFLOW;
@@ -1671,6 +1671,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
xdp_set_data_meta_invalid(&xdp);
xdp.data_end = xdp.data + len;
xdp.rxq = &tfile->xdp_rxq;
+ xdp.frame_sz = buflen;
act = bpf_prog_run_xdp(xdp_prog, &xdp);
if (act == XDP_REDIRECT || act == XDP_TX) {
@@ -1871,8 +1872,11 @@ drop:
skb->dev = tun->dev;
break;
case IFF_TAP:
- if (!frags)
- skb->protocol = eth_type_trans(skb, tun->dev);
+ if (frags && !pskb_may_pull(skb, ETH_HLEN)) {
+ err = -ENOMEM;
+ goto drop;
+ }
+ skb->protocol = eth_type_trans(skb, tun->dev);
break;
}
@@ -1929,9 +1933,12 @@ drop:
}
if (frags) {
+ u32 headlen;
+
/* Exercise flow dissector code path. */
- u32 headlen = eth_get_headlen(tun->dev, skb->data,
- skb_headlen(skb));
+ skb_push(skb, ETH_HLEN);
+ headlen = eth_get_headlen(tun->dev, skb->data,
+ skb_headlen(skb));
if (unlikely(headlen > skb_headlen(skb))) {
this_cpu_inc(tun->pcpu_stats->rx_dropped);
@@ -2411,6 +2418,7 @@ static int tun_xdp_one(struct tun_struct *tun,
}
xdp_set_data_meta_invalid(xdp);
xdp->rxq = &tfile->xdp_rxq;
+ xdp->frame_sz = buflen;
act = bpf_prog_run_xdp(xdp_prog, xdp);
err = tun_xdp_act(tun, xdp_prog, xdp, act);
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 93044cf1417a..950711448f39 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -31,6 +31,7 @@
#define AX_ACCESS_PHY 0x02
#define AX_ACCESS_EEPROM 0x04
#define AX_ACCESS_EFUS 0x05
+#define AX_RELOAD_EEPROM_EFUSE 0x06
#define AX_PAUSE_WATERLVL_HIGH 0x54
#define AX_PAUSE_WATERLVL_LOW 0x55
@@ -611,6 +612,81 @@ ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
return 0;
}
+static int
+ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
+ u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u16 *eeprom_buff;
+ int first_word;
+ int last_word;
+ int ret;
+ int i;
+
+ netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n",
+ eeprom->len, eeprom->offset, eeprom->magic);
+
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ if (eeprom->magic != AX88179_EEPROM_MAGIC)
+ return -EINVAL;
+
+ first_word = eeprom->offset >> 1;
+ last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+
+ eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
+ GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ /* align data to 16 bit boundaries, read the missing data from
+ the EEPROM */
+ if (eeprom->offset & 1) {
+ ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, first_word, 1, 2,
+ &eeprom_buff[0]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word);
+ goto free;
+ }
+ }
+
+ if ((eeprom->offset + eeprom->len) & 1) {
+ ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, last_word, 1, 2,
+ &eeprom_buff[last_word - first_word]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word);
+ goto free;
+ }
+ }
+
+ memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len);
+
+ for (i = first_word; i <= last_word; i++) {
+ netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n",
+ i, eeprom_buff[i - first_word]);
+ ret = ax88179_write_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
+ &eeprom_buff[i - first_word]);
+ if (ret < 0) {
+ netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", i);
+ goto free;
+ }
+ msleep(20);
+ }
+
+ /* reload EEPROM data */
+ ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, 0x0000, 0, 0, NULL);
+ if (ret < 0) {
+ netdev_err(net, "Failed to reload EEPROM data\n");
+ goto free;
+ }
+
+ ret = 0;
+free:
+ kfree(eeprom_buff);
+ return ret;
+}
+
static int ax88179_get_link_ksettings(struct net_device *net,
struct ethtool_link_ksettings *cmd)
{
@@ -784,7 +860,7 @@ static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
{
struct usbnet *dev = netdev_priv(net);
struct ax88179_data *priv = (struct ax88179_data *)dev->data;
- int ret = -EOPNOTSUPP;
+ int ret;
priv->eee_enabled = edata->eee_enabled;
if (!priv->eee_enabled) {
@@ -822,6 +898,7 @@ static const struct ethtool_ops ax88179_ethtool_ops = {
.set_wol = ax88179_set_wol,
.get_eeprom_len = ax88179_get_eeprom_len,
.get_eeprom = ax88179_get_eeprom,
+ .set_eeprom = ax88179_set_eeprom,
.get_eee = ax88179_get_eee,
.set_eee = ax88179_set_eee,
.nway_reset = usbnet_nway_reset,
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 0cdb2ce47645..a657943c9f01 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -815,14 +815,21 @@ static const struct usb_device_id products[] = {
.driver_info = 0,
},
-/* Microsoft Surface 3 dock (based on Realtek RTL8153) */
+/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
.driver_info = 0,
},
- /* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
+/* Microsoft Surface Ethernet Adapter (based on Realtek RTL8153B) */
+{
+ USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x0927, USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
+ .driver_info = 0,
+},
+
+/* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
{
USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM,
USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 417e42c9fd03..bb8c34d746ab 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2659,7 +2659,7 @@ static struct hso_device *hso_create_bulk_serial_device(
if (!
(serial->out_endp =
hso_get_ep(interface, USB_ENDPOINT_XFER_BULK, USB_DIR_OUT))) {
- dev_err(&interface->dev, "Failed to find BULK IN ep\n");
+ dev_err(&interface->dev, "Failed to find BULK OUT ep\n");
goto exit2;
}
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index 099d84827004..a87f0dabcdb7 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -67,7 +67,7 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev,
{
struct cdc_ncm_ctx *ctx;
struct usb_driver *subdriver = ERR_PTR(-ENODEV);
- int ret = -ENODEV;
+ int ret;
struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data;
int drvflags = 0;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6c738a271257..31b1d4b959f6 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -719,7 +719,7 @@ static int qmi_wwan_change_dtr(struct usbnet *dev, bool on)
static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
{
- int status = -1;
+ int status;
u8 *buf = intf->cur_altsetting->extra;
int len = intf->cur_altsetting->extralen;
struct usb_interface_descriptor *desc = &intf->cur_altsetting->desc;
@@ -1324,6 +1324,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x1bbb, 0x0203, 2)}, /* Alcatel L800MA */
{QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
{QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */
+ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */
{QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */
{QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */
@@ -1359,6 +1360,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */
{QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */
+ {QMI_FIXED_INTF(0x413c, 0x81cc, 8)}, /* Dell Wireless 5816e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 0)}, /* Dell Wireless 5821e */
{QMI_FIXED_INTF(0x413c, 0x81d7, 1)}, /* Dell Wireless 5821e preproduction config */
{QMI_FIXED_INTF(0x413c, 0x81e0, 0)}, /* Dell Wireless 5821e with eSIM support*/
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 8f8d9883d363..7d39f998535d 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -1504,15 +1504,19 @@ static int determine_ethernet_addr(struct r8152 *tp, struct sockaddr *sa)
sa->sa_family = dev->type;
- if (tp->version == RTL_VER_01) {
- ret = pla_ocp_read(tp, PLA_IDR, 8, sa->sa_data);
- } else {
- /* if device doesn't support MAC pass through this will
- * be expected to be non-zero
- */
- ret = vendor_mac_passthru_addr_read(tp, sa);
- if (ret < 0)
- ret = pla_ocp_read(tp, PLA_BACKUP, 8, sa->sa_data);
+ ret = eth_platform_get_mac_address(&dev->dev, sa->sa_data);
+ if (ret < 0) {
+ if (tp->version == RTL_VER_01) {
+ ret = pla_ocp_read(tp, PLA_IDR, 8, sa->sa_data);
+ } else {
+ /* if device doesn't support MAC pass through this will
+ * be expected to be non-zero
+ */
+ ret = vendor_mac_passthru_addr_read(tp, sa);
+ if (ret < 0)
+ ret = pla_ocp_read(tp, PLA_BACKUP, 8,
+ sa->sa_data);
+ }
}
if (ret < 0) {
@@ -6880,6 +6884,7 @@ static const struct usb_device_id rtl8152_table[] = {
{REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)},
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)},
{REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)},
+ {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x0927)},
{REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)},
{REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)},
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 389d19dd7909..0abd257b634c 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -354,11 +354,6 @@ static void sierra_net_set_ctx_index(struct sierra_net_data *priv, u8 ctx_ix)
cpu_to_be16(SIERRA_NET_HIP_EXT_IP_OUT_ID);
}
-static inline int sierra_net_is_valid_addrlen(u8 len)
-{
- return len == sizeof(struct in_addr);
-}
-
static int sierra_net_parse_lsi(struct usbnet *dev, char *data, int datalen)
{
struct lsi_umts *lsi = (struct lsi_umts *)data;
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index aece0e5eec8c..b594f03eeddb 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -405,10 +405,6 @@ static struct sk_buff *veth_build_skb(void *head, int headroom, int len,
{
struct sk_buff *skb;
- if (!buflen) {
- buflen = SKB_DATA_ALIGN(headroom + len) +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
- }
skb = build_skb(head, buflen);
if (!skb)
return NULL;
@@ -545,7 +541,7 @@ out:
static int veth_xdp_tx(struct veth_rq *rq, struct xdp_buff *xdp,
struct veth_xdp_tx_bq *bq)
{
- struct xdp_frame *frame = convert_to_xdp_frame(xdp);
+ struct xdp_frame *frame = xdp_convert_buff_to_frame(xdp);
if (unlikely(!frame))
return -EOVERFLOW;
@@ -564,23 +560,22 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq,
struct veth_stats *stats)
{
void *hard_start = frame->data - frame->headroom;
- void *head = hard_start - sizeof(struct xdp_frame);
int len = frame->len, delta = 0;
struct xdp_frame orig_frame;
struct bpf_prog *xdp_prog;
unsigned int headroom;
struct sk_buff *skb;
+ /* bpf_xdp_adjust_head() assures BPF cannot access xdp_frame area */
+ hard_start -= sizeof(struct xdp_frame);
+
rcu_read_lock();
xdp_prog = rcu_dereference(rq->xdp_prog);
if (likely(xdp_prog)) {
struct xdp_buff xdp;
u32 act;
- xdp.data_hard_start = hard_start;
- xdp.data = frame->data;
- xdp.data_end = frame->data + frame->len;
- xdp.data_meta = frame->data - frame->metasize;
+ xdp_convert_frame_to_buff(frame, &xdp);
xdp.rxq = &rq->xdp_rxq;
act = bpf_prog_run_xdp(xdp_prog, &xdp);
@@ -592,7 +587,6 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq,
break;
case XDP_TX:
orig_frame = *frame;
- xdp.data_hard_start = head;
xdp.rxq->mem = frame->mem;
if (unlikely(veth_xdp_tx(rq, &xdp, bq) < 0)) {
trace_xdp_exception(rq->dev, xdp_prog, act);
@@ -605,7 +599,6 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq,
goto xdp_xmit;
case XDP_REDIRECT:
orig_frame = *frame;
- xdp.data_hard_start = head;
xdp.rxq->mem = frame->mem;
if (xdp_do_redirect(rq->dev, &xdp, xdp_prog)) {
frame = &orig_frame;
@@ -629,7 +622,7 @@ static struct sk_buff *veth_xdp_rcv_one(struct veth_rq *rq,
rcu_read_unlock();
headroom = sizeof(struct xdp_frame) + frame->headroom - delta;
- skb = veth_build_skb(head, headroom, len, 0);
+ skb = veth_build_skb(hard_start, headroom, len, frame->frame_sz);
if (!skb) {
xdp_return_frame(frame);
stats->rx_drops++;
@@ -695,9 +688,8 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
goto drop;
}
- nskb = veth_build_skb(head,
- VETH_XDP_HEADROOM + mac_len, skb->len,
- PAGE_SIZE);
+ nskb = veth_build_skb(head, VETH_XDP_HEADROOM + mac_len,
+ skb->len, PAGE_SIZE);
if (!nskb) {
page_frag_free(head);
goto drop;
@@ -715,6 +707,11 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
xdp.data_end = xdp.data + pktlen;
xdp.data_meta = xdp.data;
xdp.rxq = &rq->xdp_rxq;
+
+ /* SKB "head" area always have tailroom for skb_shared_info */
+ xdp.frame_sz = (void *)skb_end_pointer(skb) - xdp.data_hard_start;
+ xdp.frame_sz += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
orig_data = xdp.data;
orig_data_end = xdp.data_end;
@@ -758,6 +755,7 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
}
rcu_read_unlock();
+ /* check if bpf_xdp_adjust_head was used */
delta = orig_data - xdp.data;
off = mac_len + delta;
if (off > 0)
@@ -765,9 +763,11 @@ static struct sk_buff *veth_xdp_rcv_skb(struct veth_rq *rq,
else if (off < 0)
__skb_pull(skb, -off);
skb->mac_header -= delta;
+
+ /* check if bpf_xdp_adjust_tail was used */
off = xdp.data_end - orig_data_end;
if (off != 0)
- __skb_put(skb, off);
+ __skb_put(skb, off); /* positive on grow, negative on shrink */
skb->protocol = eth_type_trans(skb, rq->dev);
metalen = xdp.data - xdp.data_meta;
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 11f722460513..ba38765dc490 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -689,6 +689,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
xdp.data_end = xdp.data + len;
xdp.data_meta = xdp.data;
xdp.rxq = &rq->xdp_rxq;
+ xdp.frame_sz = buflen;
orig_data = xdp.data;
act = bpf_prog_run_xdp(xdp_prog, &xdp);
stats->xdp_packets++;
@@ -702,7 +703,7 @@ static struct sk_buff *receive_small(struct net_device *dev,
break;
case XDP_TX:
stats->xdp_tx++;
- xdpf = convert_to_xdp_frame(&xdp);
+ xdpf = xdp_convert_buff_to_frame(&xdp);
if (unlikely(!xdpf))
goto err_xdp;
err = virtnet_xdp_xmit(dev, 1, &xdpf, 0);
@@ -797,10 +798,11 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
int offset = buf - page_address(page);
struct sk_buff *head_skb, *curr_skb;
struct bpf_prog *xdp_prog;
- unsigned int truesize;
+ unsigned int truesize = mergeable_ctx_to_truesize(ctx);
unsigned int headroom = mergeable_ctx_to_headroom(ctx);
- int err;
unsigned int metasize = 0;
+ unsigned int frame_sz;
+ int err;
head_skb = NULL;
stats->bytes += len - vi->hdr_len;
@@ -821,6 +823,11 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
if (unlikely(hdr->hdr.gso_type))
goto err_xdp;
+ /* Buffers with headroom use PAGE_SIZE as alloc size,
+ * see add_recvbuf_mergeable() + get_mergeable_buf_len()
+ */
+ frame_sz = headroom ? PAGE_SIZE : truesize;
+
/* This happens when rx buffer size is underestimated
* or headroom is not enough because of the buffer
* was refilled before XDP is set. This should only
@@ -834,6 +841,8 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
page, offset,
VIRTIO_XDP_HEADROOM,
&len);
+ frame_sz = PAGE_SIZE;
+
if (!xdp_page)
goto err_xdp;
offset = VIRTIO_XDP_HEADROOM;
@@ -850,6 +859,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
xdp.data_end = xdp.data + (len - vi->hdr_len);
xdp.data_meta = xdp.data;
xdp.rxq = &rq->xdp_rxq;
+ xdp.frame_sz = frame_sz - vi->hdr_len;
act = bpf_prog_run_xdp(xdp_prog, &xdp);
stats->xdp_packets++;
@@ -882,7 +892,7 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
break;
case XDP_TX:
stats->xdp_tx++;
- xdpf = convert_to_xdp_frame(&xdp);
+ xdpf = xdp_convert_buff_to_frame(&xdp);
if (unlikely(!xdpf))
goto err_xdp;
err = virtnet_xdp_xmit(dev, 1, &xdpf, 0);
@@ -924,7 +934,6 @@ static struct sk_buff *receive_mergeable(struct net_device *dev,
}
rcu_read_unlock();
- truesize = mergeable_ctx_to_truesize(ctx);
if (unlikely(len > truesize)) {
pr_debug("%s: rx error: len %u exceeds truesize %lu\n",
dev->name, len, (unsigned long)ctx);
@@ -1243,9 +1252,11 @@ static bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
break;
} while (rq->vq->num_free);
if (virtqueue_kick_prepare(rq->vq) && virtqueue_notify(rq->vq)) {
- u64_stats_update_begin(&rq->stats.syncp);
+ unsigned long flags;
+
+ flags = u64_stats_update_begin_irqsave(&rq->stats.syncp);
rq->stats.kicks++;
- u64_stats_update_end(&rq->stats.syncp);
+ u64_stats_update_end_irqrestore(&rq->stats.syncp, flags);
}
return !oom;
diff --git a/drivers/net/vmxnet3/Makefile b/drivers/net/vmxnet3/Makefile
index 8cdbb63d1bb0..c5a167a1c85c 100644
--- a/drivers/net/vmxnet3/Makefile
+++ b/drivers/net/vmxnet3/Makefile
@@ -2,7 +2,7 @@
#
# Linux driver for VMware's vmxnet3 ethernet NIC.
#
-# Copyright (C) 2007-2016, VMware, Inc. All Rights Reserved.
+# Copyright (C) 2007-2020, VMware, Inc. All Rights Reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
diff --git a/drivers/net/vmxnet3/upt1_defs.h b/drivers/net/vmxnet3/upt1_defs.h
index db9f1fde3aac..8c014c98471c 100644
--- a/drivers/net/vmxnet3/upt1_defs.h
+++ b/drivers/net/vmxnet3/upt1_defs.h
@@ -1,7 +1,7 @@
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2020, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -92,5 +92,8 @@ enum {
UPT1_F_RSS = cpu_to_le64(0x0002),
UPT1_F_RXVLAN = cpu_to_le64(0x0004), /* VLAN tag stripping */
UPT1_F_LRO = cpu_to_le64(0x0008),
+ UPT1_F_RXINNEROFLD = cpu_to_le64(0x00010), /* Geneve/Vxlan rx csum
+ * offloading
+ */
};
#endif
diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index c3a31646189f..a8d5ebd47c71 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/drivers/net/vmxnet3/vmxnet3_defs.h
@@ -1,7 +1,7 @@
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2020, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -82,6 +82,7 @@ enum {
VMXNET3_CMD_RESERVED3,
VMXNET3_CMD_SET_COALESCE,
VMXNET3_CMD_REGISTER_MEMREGS,
+ VMXNET3_CMD_SET_RSS_FIELDS,
VMXNET3_CMD_FIRST_GET = 0xF00D0000,
VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET,
@@ -96,19 +97,20 @@ enum {
VMXNET3_CMD_GET_RESERVED1,
VMXNET3_CMD_GET_TXDATA_DESC_SIZE,
VMXNET3_CMD_GET_COALESCE,
+ VMXNET3_CMD_GET_RSS_FIELDS,
};
/*
* Little Endian layout of bitfields -
* Byte 0 : 7.....len.....0
- * Byte 1 : rsvd gen 13.len.8
+ * Byte 1 : oco gen 13.len.8
* Byte 2 : 5.msscof.0 ext1 dtype
* Byte 3 : 13...msscof...6
*
* Big Endian layout of bitfields -
* Byte 0: 13...msscof...6
* Byte 1 : 5.msscof.0 ext1 dtype
- * Byte 2 : rsvd gen 13.len.8
+ * Byte 2 : oco gen 13.len.8
* Byte 3 : 7.....len.....0
*
* Thus, le32_to_cpu on the dword will allow the big endian driver to read
@@ -123,13 +125,13 @@ struct Vmxnet3_TxDesc {
u32 msscof:14; /* MSS, checksum offset, flags */
u32 ext1:1;
u32 dtype:1; /* descriptor type */
- u32 rsvd:1;
+ u32 oco:1;
u32 gen:1; /* generation bit */
u32 len:14;
#else
u32 len:14;
u32 gen:1; /* generation bit */
- u32 rsvd:1;
+ u32 oco:1;
u32 dtype:1; /* descriptor type */
u32 ext1:1;
u32 msscof:14; /* MSS, checksum offset, flags */
@@ -155,9 +157,10 @@ struct Vmxnet3_TxDesc {
};
/* TxDesc.OM values */
-#define VMXNET3_OM_NONE 0
-#define VMXNET3_OM_CSUM 2
-#define VMXNET3_OM_TSO 3
+#define VMXNET3_OM_NONE 0
+#define VMXNET3_OM_ENCAP 1
+#define VMXNET3_OM_CSUM 2
+#define VMXNET3_OM_TSO 3
/* fields in TxDesc we access w/o using bit fields */
#define VMXNET3_TXD_EOP_SHIFT 12
@@ -224,6 +227,8 @@ struct Vmxnet3_RxDesc {
#define VMXNET3_RXD_BTYPE_SHIFT 14
#define VMXNET3_RXD_GEN_SHIFT 31
+#define VMXNET3_RCD_HDR_INNER_SHIFT 13
+
struct Vmxnet3_RxCompDesc {
#ifdef __BIG_ENDIAN_BITFIELD
u32 ext2:1;
@@ -685,12 +690,22 @@ struct Vmxnet3_MemRegs {
struct Vmxnet3_MemoryRegion memRegs[1];
};
+enum Vmxnet3_RSSField {
+ VMXNET3_RSS_FIELDS_TCPIP4 = 0x0001,
+ VMXNET3_RSS_FIELDS_TCPIP6 = 0x0002,
+ VMXNET3_RSS_FIELDS_UDPIP4 = 0x0004,
+ VMXNET3_RSS_FIELDS_UDPIP6 = 0x0008,
+ VMXNET3_RSS_FIELDS_ESPIP4 = 0x0010,
+ VMXNET3_RSS_FIELDS_ESPIP6 = 0x0020,
+};
+
/* If the command data <= 16 bytes, use the shared memory directly.
* otherwise, use variable length configuration descriptor.
*/
union Vmxnet3_CmdInfo {
struct Vmxnet3_VariableLenConfDesc varConf;
struct Vmxnet3_SetPolling setPolling;
+ enum Vmxnet3_RSSField setRssFields;
__le64 data[2];
};
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 722cb054a5cd..ca395f9679d0 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1,7 +1,7 @@
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2020, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -842,21 +842,46 @@ vmxnet3_parse_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
u8 protocol = 0;
if (ctx->mss) { /* TSO */
- ctx->eth_ip_hdr_size = skb_transport_offset(skb);
- ctx->l4_hdr_size = tcp_hdrlen(skb);
- ctx->copy_size = ctx->eth_ip_hdr_size + ctx->l4_hdr_size;
+ if (VMXNET3_VERSION_GE_4(adapter) && skb->encapsulation) {
+ ctx->l4_offset = skb_inner_transport_offset(skb);
+ ctx->l4_hdr_size = inner_tcp_hdrlen(skb);
+ ctx->copy_size = ctx->l4_offset + ctx->l4_hdr_size;
+ } else {
+ ctx->l4_offset = skb_transport_offset(skb);
+ ctx->l4_hdr_size = tcp_hdrlen(skb);
+ ctx->copy_size = ctx->l4_offset + ctx->l4_hdr_size;
+ }
} else {
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- ctx->eth_ip_hdr_size = skb_checksum_start_offset(skb);
+ /* For encap packets, skb_checksum_start_offset refers
+ * to inner L4 offset. Thus, below works for encap as
+ * well as non-encap case
+ */
+ ctx->l4_offset = skb_checksum_start_offset(skb);
+
+ if (VMXNET3_VERSION_GE_4(adapter) &&
+ skb->encapsulation) {
+ struct iphdr *iph = inner_ip_hdr(skb);
- if (ctx->ipv4) {
- const struct iphdr *iph = ip_hdr(skb);
+ if (iph->version == 4) {
+ protocol = iph->protocol;
+ } else {
+ const struct ipv6hdr *ipv6h;
+
+ ipv6h = inner_ipv6_hdr(skb);
+ protocol = ipv6h->nexthdr;
+ }
+ } else {
+ if (ctx->ipv4) {
+ const struct iphdr *iph = ip_hdr(skb);
- protocol = iph->protocol;
- } else if (ctx->ipv6) {
- const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ protocol = iph->protocol;
+ } else if (ctx->ipv6) {
+ const struct ipv6hdr *ipv6h;
- protocol = ipv6h->nexthdr;
+ ipv6h = ipv6_hdr(skb);
+ protocol = ipv6h->nexthdr;
+ }
}
switch (protocol) {
@@ -871,10 +896,10 @@ vmxnet3_parse_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
break;
}
- ctx->copy_size = min(ctx->eth_ip_hdr_size +
+ ctx->copy_size = min(ctx->l4_offset +
ctx->l4_hdr_size, skb->len);
} else {
- ctx->eth_ip_hdr_size = 0;
+ ctx->l4_offset = 0;
ctx->l4_hdr_size = 0;
/* copy as much as allowed */
ctx->copy_size = min_t(unsigned int,
@@ -930,6 +955,25 @@ vmxnet3_copy_hdr(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
static void
+vmxnet3_prepare_inner_tso(struct sk_buff *skb,
+ struct vmxnet3_tx_ctx *ctx)
+{
+ struct tcphdr *tcph = inner_tcp_hdr(skb);
+ struct iphdr *iph = inner_ip_hdr(skb);
+
+ if (iph->version == 4) {
+ iph->check = 0;
+ tcph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, 0,
+ IPPROTO_TCP, 0);
+ } else {
+ struct ipv6hdr *iph = inner_ipv6_hdr(skb);
+
+ tcph->check = ~csum_ipv6_magic(&iph->saddr, &iph->daddr, 0,
+ IPPROTO_TCP, 0);
+ }
+}
+
+static void
vmxnet3_prepare_tso(struct sk_buff *skb,
struct vmxnet3_tx_ctx *ctx)
{
@@ -987,6 +1031,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
/* Use temporary descriptor to avoid touching bits multiple times */
union Vmxnet3_GenericDesc tempTxDesc;
#endif
+ struct udphdr *udph;
count = txd_estimate(skb);
@@ -1003,7 +1048,11 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
}
tq->stats.copy_skb_header++;
}
- vmxnet3_prepare_tso(skb, &ctx);
+ if (skb->encapsulation) {
+ vmxnet3_prepare_inner_tso(skb, &ctx);
+ } else {
+ vmxnet3_prepare_tso(skb, &ctx);
+ }
} else {
if (unlikely(count > VMXNET3_MAX_TXD_PER_PKT)) {
@@ -1026,14 +1075,14 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
BUG_ON(ret <= 0 && ctx.copy_size != 0);
/* hdrs parsed, check against other limits */
if (ctx.mss) {
- if (unlikely(ctx.eth_ip_hdr_size + ctx.l4_hdr_size >
+ if (unlikely(ctx.l4_offset + ctx.l4_hdr_size >
VMXNET3_MAX_TX_BUF_SIZE)) {
tq->stats.drop_oversized_hdr++;
goto drop_pkt;
}
} else {
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- if (unlikely(ctx.eth_ip_hdr_size +
+ if (unlikely(ctx.l4_offset +
skb->csum_offset >
VMXNET3_MAX_CSUM_OFFSET)) {
tq->stats.drop_oversized_hdr++;
@@ -1080,16 +1129,34 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq,
#endif
tx_num_deferred = le32_to_cpu(tq->shared->txNumDeferred);
if (ctx.mss) {
- gdesc->txd.hlen = ctx.eth_ip_hdr_size + ctx.l4_hdr_size;
- gdesc->txd.om = VMXNET3_OM_TSO;
- gdesc->txd.msscof = ctx.mss;
+ if (VMXNET3_VERSION_GE_4(adapter) && skb->encapsulation) {
+ gdesc->txd.hlen = ctx.l4_offset + ctx.l4_hdr_size;
+ gdesc->txd.om = VMXNET3_OM_ENCAP;
+ gdesc->txd.msscof = ctx.mss;
+
+ udph = udp_hdr(skb);
+ if (udph->check)
+ gdesc->txd.oco = 1;
+ } else {
+ gdesc->txd.hlen = ctx.l4_offset + ctx.l4_hdr_size;
+ gdesc->txd.om = VMXNET3_OM_TSO;
+ gdesc->txd.msscof = ctx.mss;
+ }
num_pkts = (skb->len - gdesc->txd.hlen + ctx.mss - 1) / ctx.mss;
} else {
if (skb->ip_summed == CHECKSUM_PARTIAL) {
- gdesc->txd.hlen = ctx.eth_ip_hdr_size;
- gdesc->txd.om = VMXNET3_OM_CSUM;
- gdesc->txd.msscof = ctx.eth_ip_hdr_size +
- skb->csum_offset;
+ if (VMXNET3_VERSION_GE_4(adapter) &&
+ skb->encapsulation) {
+ gdesc->txd.hlen = ctx.l4_offset +
+ ctx.l4_hdr_size;
+ gdesc->txd.om = VMXNET3_OM_ENCAP;
+ gdesc->txd.msscof = 0; /* Reserved */
+ } else {
+ gdesc->txd.hlen = ctx.l4_offset;
+ gdesc->txd.om = VMXNET3_OM_CSUM;
+ gdesc->txd.msscof = ctx.l4_offset +
+ skb->csum_offset;
+ }
} else {
gdesc->txd.om = 0;
gdesc->txd.msscof = 0;
@@ -1168,13 +1235,21 @@ vmxnet3_rx_csum(struct vmxnet3_adapter *adapter,
(le32_to_cpu(gdesc->dword[3]) &
VMXNET3_RCD_CSUM_OK) == VMXNET3_RCD_CSUM_OK) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
- BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp));
- BUG_ON(gdesc->rcd.frg);
+ WARN_ON_ONCE(!(gdesc->rcd.tcp || gdesc->rcd.udp) &&
+ !(le32_to_cpu(gdesc->dword[0]) &
+ (1UL << VMXNET3_RCD_HDR_INNER_SHIFT)));
+ WARN_ON_ONCE(gdesc->rcd.frg &&
+ !(le32_to_cpu(gdesc->dword[0]) &
+ (1UL << VMXNET3_RCD_HDR_INNER_SHIFT)));
} else if (gdesc->rcd.v6 && (le32_to_cpu(gdesc->dword[3]) &
(1 << VMXNET3_RCD_TUC_SHIFT))) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
- BUG_ON(!(gdesc->rcd.tcp || gdesc->rcd.udp));
- BUG_ON(gdesc->rcd.frg);
+ WARN_ON_ONCE(!(gdesc->rcd.tcp || gdesc->rcd.udp) &&
+ !(le32_to_cpu(gdesc->dword[0]) &
+ (1UL << VMXNET3_RCD_HDR_INNER_SHIFT)));
+ WARN_ON_ONCE(gdesc->rcd.frg &&
+ !(le32_to_cpu(gdesc->dword[0]) &
+ (1UL << VMXNET3_RCD_HDR_INNER_SHIFT)));
} else {
if (gdesc->rcd.csum) {
skb->csum = htons(gdesc->rcd.csum);
@@ -2429,6 +2504,10 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter)
if (adapter->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
devRead->misc.uptFeatures |= UPT1_F_RXVLAN;
+ if (adapter->netdev->features & (NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM))
+ devRead->misc.uptFeatures |= UPT1_F_RXINNEROFLD;
+
devRead->misc.mtu = cpu_to_le32(adapter->netdev->mtu);
devRead->misc.queueDescPA = cpu_to_le64(adapter->queue_desc_pa);
devRead->misc.queueDescLen = cpu_to_le32(
@@ -2554,6 +2633,39 @@ vmxnet3_init_coalesce(struct vmxnet3_adapter *adapter)
spin_unlock_irqrestore(&adapter->cmd_lock, flags);
}
+static void
+vmxnet3_init_rssfields(struct vmxnet3_adapter *adapter)
+{
+ struct Vmxnet3_DriverShared *shared = adapter->shared;
+ union Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+ unsigned long flags;
+
+ if (!VMXNET3_VERSION_GE_4(adapter))
+ return;
+
+ spin_lock_irqsave(&adapter->cmd_lock, flags);
+
+ if (adapter->default_rss_fields) {
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_GET_RSS_FIELDS);
+ adapter->rss_fields =
+ VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+ } else {
+ cmdInfo->setRssFields = adapter->rss_fields;
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_SET_RSS_FIELDS);
+ /* Not all requested RSS may get applied, so get and
+ * cache what was actually applied.
+ */
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_GET_RSS_FIELDS);
+ adapter->rss_fields =
+ VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+ }
+
+ spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+}
+
int
vmxnet3_activate_dev(struct vmxnet3_adapter *adapter)
{
@@ -2603,6 +2715,7 @@ vmxnet3_activate_dev(struct vmxnet3_adapter *adapter)
}
vmxnet3_init_coalesce(adapter);
+ vmxnet3_init_rssfields(adapter);
for (i = 0; i < adapter->num_rx_queues; i++) {
VMXNET3_WRITE_BAR0_REG(adapter,
@@ -3039,6 +3152,18 @@ vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64)
NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
NETIF_F_LRO;
+
+ if (VMXNET3_VERSION_GE_4(adapter)) {
+ netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM;
+
+ netdev->hw_enc_features = NETIF_F_SG | NETIF_F_RXCSUM |
+ NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM;
+ }
+
if (dma64)
netdev->hw_features |= NETIF_F_HIGHDMA;
netdev->vlan_features = netdev->hw_features &
@@ -3382,7 +3507,12 @@ vmxnet3_probe_device(struct pci_dev *pdev,
goto err_alloc_pci;
ver = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_VRRS);
- if (ver & (1 << VMXNET3_REV_3)) {
+ if (ver & (1 << VMXNET3_REV_4)) {
+ VMXNET3_WRITE_BAR1_REG(adapter,
+ VMXNET3_REG_VRRS,
+ 1 << VMXNET3_REV_4);
+ adapter->version = VMXNET3_REV_4 + 1;
+ } else if (ver & (1 << VMXNET3_REV_3)) {
VMXNET3_WRITE_BAR1_REG(adapter,
VMXNET3_REG_VRRS,
1 << VMXNET3_REV_3);
@@ -3430,6 +3560,11 @@ vmxnet3_probe_device(struct pci_dev *pdev,
adapter->default_coal_mode = true;
}
+ if (VMXNET3_VERSION_GE_4(adapter)) {
+ adapter->default_rss_fields = true;
+ adapter->rss_fields = VMXNET3_RSS_FIELDS_DEFAULT;
+ }
+
SET_NETDEV_DEV(netdev, &pdev->dev);
vmxnet3_declare_features(adapter, dma64);
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index 6528940ce5f3..def27afa1c69 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -1,7 +1,7 @@
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2020, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -267,14 +267,43 @@ netdev_features_t vmxnet3_fix_features(struct net_device *netdev,
return features;
}
+static void vmxnet3_enable_encap_offloads(struct net_device *netdev)
+{
+ struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+ if (VMXNET3_VERSION_GE_4(adapter)) {
+ netdev->hw_enc_features |= NETIF_F_SG | NETIF_F_RXCSUM |
+ NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM;
+ }
+}
+
+static void vmxnet3_disable_encap_offloads(struct net_device *netdev)
+{
+ struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+
+ if (VMXNET3_VERSION_GE_4(adapter)) {
+ netdev->hw_enc_features &= ~(NETIF_F_SG | NETIF_F_RXCSUM |
+ NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_LRO | NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM);
+ }
+}
+
int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
unsigned long flags;
netdev_features_t changed = features ^ netdev->features;
+ netdev_features_t tun_offload_mask = NETIF_F_GSO_UDP_TUNNEL |
+ NETIF_F_GSO_UDP_TUNNEL_CSUM;
+ u8 udp_tun_enabled = (netdev->features & tun_offload_mask) != 0;
if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO |
- NETIF_F_HW_VLAN_CTAG_RX)) {
+ NETIF_F_HW_VLAN_CTAG_RX | tun_offload_mask)) {
if (features & NETIF_F_RXCSUM)
adapter->shared->devRead.misc.uptFeatures |=
UPT1_F_RXCSUM;
@@ -297,6 +326,17 @@ int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
adapter->shared->devRead.misc.uptFeatures &=
~UPT1_F_RXVLAN;
+ if ((features & tun_offload_mask) != 0 && !udp_tun_enabled) {
+ vmxnet3_enable_encap_offloads(netdev);
+ adapter->shared->devRead.misc.uptFeatures |=
+ UPT1_F_RXINNEROFLD;
+ } else if ((features & tun_offload_mask) == 0 &&
+ udp_tun_enabled) {
+ vmxnet3_disable_encap_offloads(netdev);
+ adapter->shared->devRead.misc.uptFeatures &=
+ ~UPT1_F_RXINNEROFLD;
+ }
+
spin_lock_irqsave(&adapter->cmd_lock, flags);
VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
VMXNET3_CMD_UPDATE_FEATURE);
@@ -665,18 +705,244 @@ out:
return err;
}
+static int
+vmxnet3_get_rss_hash_opts(struct vmxnet3_adapter *adapter,
+ struct ethtool_rxnfc *info)
+{
+ enum Vmxnet3_RSSField rss_fields;
+
+ if (netif_running(adapter->netdev)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->cmd_lock, flags);
+
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_GET_RSS_FIELDS);
+ rss_fields = VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+ spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+ } else {
+ rss_fields = adapter->rss_fields;
+ }
+
+ info->data = 0;
+
+ /* Report default options for RSS on vmxnet3 */
+ switch (info->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3 |
+ RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case UDP_V4_FLOW:
+ if (rss_fields & VMXNET3_RSS_FIELDS_UDPIP4)
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ info->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ if (rss_fields & VMXNET3_RSS_FIELDS_ESPIP4)
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ /* fallthrough */
+ case SCTP_V4_FLOW:
+ case IPV4_FLOW:
+ info->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case UDP_V6_FLOW:
+ if (rss_fields & VMXNET3_RSS_FIELDS_UDPIP6)
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ info->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ case IPV6_FLOW:
+ info->data |= RXH_IP_SRC | RXH_IP_DST;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+vmxnet3_set_rss_hash_opt(struct net_device *netdev,
+ struct vmxnet3_adapter *adapter,
+ struct ethtool_rxnfc *nfc)
+{
+ enum Vmxnet3_RSSField rss_fields = adapter->rss_fields;
+
+ /* RSS does not support anything other than hashing
+ * to queues on src and dst IPs and ports
+ */
+ if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3))
+ return -EINVAL;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST) ||
+ !(nfc->data & RXH_L4_B_0_1) ||
+ !(nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ break;
+ case UDP_V4_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ rss_fields &= ~VMXNET3_RSS_FIELDS_UDPIP4;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_fields |= VMXNET3_RSS_FIELDS_UDPIP4;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case UDP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ rss_fields &= ~VMXNET3_RSS_FIELDS_UDPIP6;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_fields |= VMXNET3_RSS_FIELDS_UDPIP6;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST))
+ return -EINVAL;
+ switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ case 0:
+ rss_fields &= ~VMXNET3_RSS_FIELDS_ESPIP4;
+ break;
+ case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+ rss_fields |= VMXNET3_RSS_FIELDS_ESPIP4;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case SCTP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ if (!(nfc->data & RXH_IP_SRC) ||
+ !(nfc->data & RXH_IP_DST) ||
+ (nfc->data & RXH_L4_B_0_1) ||
+ (nfc->data & RXH_L4_B_2_3))
+ return -EINVAL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* if we changed something we need to update flags */
+ if (rss_fields != adapter->rss_fields) {
+ adapter->default_rss_fields = false;
+ if (netif_running(netdev)) {
+ struct Vmxnet3_DriverShared *shared = adapter->shared;
+ union Vmxnet3_CmdInfo *cmdInfo = &shared->cu.cmdInfo;
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->cmd_lock, flags);
+ cmdInfo->setRssFields = rss_fields;
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_SET_RSS_FIELDS);
+
+ /* Not all requested RSS may get applied, so get and
+ * cache what was actually applied.
+ */
+ VMXNET3_WRITE_BAR1_REG(adapter, VMXNET3_REG_CMD,
+ VMXNET3_CMD_GET_RSS_FIELDS);
+ adapter->rss_fields =
+ VMXNET3_READ_BAR1_REG(adapter, VMXNET3_REG_CMD);
+ spin_unlock_irqrestore(&adapter->cmd_lock, flags);
+ } else {
+ /* When the device is activated, we will try to apply
+ * these rules and cache the applied value later.
+ */
+ adapter->rss_fields = rss_fields;
+ }
+ }
+ return 0;
+}
static int
vmxnet3_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info,
u32 *rules)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+ int err = 0;
+
switch (info->cmd) {
case ETHTOOL_GRXRINGS:
info->data = adapter->num_rx_queues;
- return 0;
+ break;
+ case ETHTOOL_GRXFH:
+ if (!VMXNET3_VERSION_GE_4(adapter)) {
+ err = -EOPNOTSUPP;
+ break;
+ }
+#ifdef VMXNET3_RSS
+ if (!adapter->rss) {
+ err = -EOPNOTSUPP;
+ break;
+ }
+#endif
+ err = vmxnet3_get_rss_hash_opts(adapter, info);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+ return err;
+}
+
+static int
+vmxnet3_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info)
+{
+ struct vmxnet3_adapter *adapter = netdev_priv(netdev);
+ int err = 0;
+
+ if (!VMXNET3_VERSION_GE_4(adapter)) {
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+#ifdef VMXNET3_RSS
+ if (!adapter->rss) {
+ err = -EOPNOTSUPP;
+ goto done;
}
- return -EOPNOTSUPP;
+#endif
+
+ switch (info->cmd) {
+ case ETHTOOL_SRXFH:
+ err = vmxnet3_set_rss_hash_opt(netdev, adapter, info);
+ break;
+ default:
+ err = -EOPNOTSUPP;
+ break;
+ }
+
+done:
+ return err;
}
#ifdef VMXNET3_RSS
@@ -700,6 +966,8 @@ vmxnet3_get_rss(struct net_device *netdev, u32 *p, u8 *key, u8 *hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (!p)
return 0;
+ if (n > UPT1_RSS_MAX_IND_TABLE_SIZE)
+ return 0;
while (n--)
p[n] = rssConf->indTable[n];
return 0;
@@ -887,6 +1155,7 @@ static const struct ethtool_ops vmxnet3_ethtool_ops = {
.get_ringparam = vmxnet3_get_ringparam,
.set_ringparam = vmxnet3_set_ringparam,
.get_rxnfc = vmxnet3_get_rxnfc,
+ .set_rxnfc = vmxnet3_set_rxnfc,
#ifdef VMXNET3_RSS
.get_rxfh_indir_size = vmxnet3_get_rss_indir_size,
.get_rxfh = vmxnet3_get_rss,
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index 1cc1cd4aaa59..5d2b062215a2 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -1,7 +1,7 @@
/*
* Linux driver for VMware's vmxnet3 ethernet NIC.
*
- * Copyright (C) 2008-2016, VMware, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2020, VMware, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -69,18 +69,19 @@
/*
* Version numbers
*/
-#define VMXNET3_DRIVER_VERSION_STRING "1.4.17.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING "1.5.0.0-k"
/* Each byte of this 32-bit integer encodes a version number in
* VMXNET3_DRIVER_VERSION_STRING.
*/
-#define VMXNET3_DRIVER_VERSION_NUM 0x01041100
+#define VMXNET3_DRIVER_VERSION_NUM 0x01050000
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */
#define VMXNET3_RSS
#endif
+#define VMXNET3_REV_4 3 /* Vmxnet3 Rev. 4 */
#define VMXNET3_REV_3 2 /* Vmxnet3 Rev. 3 */
#define VMXNET3_REV_2 1 /* Vmxnet3 Rev. 2 */
#define VMXNET3_REV_1 0 /* Vmxnet3 Rev. 1 */
@@ -218,10 +219,16 @@ struct vmxnet3_tx_ctx {
bool ipv4;
bool ipv6;
u16 mss;
- u32 eth_ip_hdr_size; /* only valid for pkts requesting tso or csum
- * offloading
+ u32 l4_offset; /* only valid for pkts requesting tso or csum
+ * offloading. For encap offload, it refers to
+ * inner L4 offset i.e. it includes outer header
+ * encap header and inner eth and ip header size
+ */
+
+ u32 l4_hdr_size; /* only valid if mss != 0
+ * Refers to inner L4 hdr size for encap
+ * offload
*/
- u32 l4_hdr_size; /* only valid if mss != 0 */
u32 copy_size; /* # of bytes copied into the data ring */
union Vmxnet3_GenericDesc *sop_txd;
union Vmxnet3_GenericDesc *eop_txd;
@@ -376,6 +383,8 @@ struct vmxnet3_adapter {
u16 rxdata_desc_size;
bool rxdataring_enabled;
+ bool default_rss_fields;
+ enum Vmxnet3_RSSField rss_fields;
struct work_struct work;
@@ -412,6 +421,8 @@ struct vmxnet3_adapter {
(adapter->version >= VMXNET3_REV_2 + 1)
#define VMXNET3_VERSION_GE_3(adapter) \
(adapter->version >= VMXNET3_REV_3 + 1)
+#define VMXNET3_VERSION_GE_4(adapter) \
+ (adapter->version >= VMXNET3_REV_4 + 1)
/* must be a multiple of VMXNET3_RING_SIZE_ALIGN */
#define VMXNET3_DEF_TX_RING_SIZE 512
@@ -435,6 +446,8 @@ struct vmxnet3_adapter {
#define VMXNET3_COAL_RBC_RATE(usecs) (1000000 / usecs)
#define VMXNET3_COAL_RBC_USECS(rbc_rate) (1000000 / rbc_rate)
+#define VMXNET3_RSS_FIELDS_DEFAULT (VMXNET3_RSS_FIELDS_TCPIP4 | \
+ VMXNET3_RSS_FIELDS_TCPIP6)
int
vmxnet3_quiesce_dev(struct vmxnet3_adapter *adapter);
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 66e00ddc0d42..43928a1c2f2a 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -188,8 +188,8 @@ static netdev_tx_t vrf_process_v6_outbound(struct sk_buff *skb,
fl6.flowi6_proto = iph->nexthdr;
fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF;
- dst = ip6_route_output(net, NULL, &fl6);
- if (dst == dst_null)
+ dst = ip6_dst_lookup_flow(net, NULL, &fl6, NULL);
+ if (IS_ERR(dst) || dst == dst_null)
goto err;
skb_dst_drop(skb);
@@ -474,7 +474,8 @@ static struct sk_buff *vrf_ip6_out(struct net_device *vrf_dev,
if (rt6_need_strict(&ipv6_hdr(skb)->daddr))
return skb;
- if (qdisc_tx_is_default(vrf_dev))
+ if (qdisc_tx_is_default(vrf_dev) ||
+ IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED)
return vrf_ip6_out_direct(vrf_dev, sk, skb);
return vrf_ip6_out_redirect(vrf_dev, skb);
@@ -686,7 +687,8 @@ static struct sk_buff *vrf_ip_out(struct net_device *vrf_dev,
ipv4_is_lbcast(ip_hdr(skb)->daddr))
return skb;
- if (qdisc_tx_is_default(vrf_dev))
+ if (qdisc_tx_is_default(vrf_dev) ||
+ IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)
return vrf_ip_out_direct(vrf_dev, sk, skb);
return vrf_ip_out_redirect(vrf_dev, skb);
@@ -865,6 +867,7 @@ static int vrf_dev_init(struct net_device *dev)
/* similarly, oper state is irrelevant; set to up to avoid confusion */
dev->operstate = IF_OPER_UP;
+ netdev_lockdep_set_classes(dev);
return 0;
out_rth:
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 45308b3350cf..5bb448ae6c9c 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -26,6 +26,7 @@
#include <net/netns/generic.h>
#include <net/tun_proto.h>
#include <net/vxlan.h>
+#include <net/nexthop.h>
#if IS_ENABLED(CONFIG_IPV6)
#include <net/ip6_tunnel.h>
@@ -78,6 +79,9 @@ struct vxlan_fdb {
u16 state; /* see ndm_state */
__be32 vni;
u16 flags; /* see ndm_flags and below */
+ struct list_head nh_list;
+ struct nexthop __rcu *nh;
+ struct vxlan_dev __rcu *vdev;
};
#define NTF_VXLAN_ADDED_BY_USER 0x100
@@ -174,11 +178,15 @@ static inline struct hlist_head *vs_head(struct net *net, __be16 port)
*/
static inline struct vxlan_rdst *first_remote_rcu(struct vxlan_fdb *fdb)
{
+ if (rcu_access_pointer(fdb->nh))
+ return NULL;
return list_entry_rcu(fdb->remotes.next, struct vxlan_rdst, list);
}
static inline struct vxlan_rdst *first_remote_rtnl(struct vxlan_fdb *fdb)
{
+ if (rcu_access_pointer(fdb->nh))
+ return NULL;
return list_first_entry(&fdb->remotes, struct vxlan_rdst, list);
}
@@ -251,9 +259,12 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,
{
unsigned long now = jiffies;
struct nda_cacheinfo ci;
+ bool send_ip, send_eth;
struct nlmsghdr *nlh;
+ struct nexthop *nh;
struct ndmsg *ndm;
- bool send_ip, send_eth;
+ int nh_family;
+ u32 nh_id;
nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags);
if (nlh == NULL)
@@ -264,16 +275,28 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,
send_eth = send_ip = true;
+ rcu_read_lock();
+ nh = rcu_dereference(fdb->nh);
+ if (nh) {
+ nh_family = nexthop_get_family(nh);
+ nh_id = nh->id;
+ }
+ rcu_read_unlock();
+
if (type == RTM_GETNEIGH) {
- send_ip = !vxlan_addr_any(&rdst->remote_ip);
+ if (rdst) {
+ send_ip = !vxlan_addr_any(&rdst->remote_ip);
+ ndm->ndm_family = send_ip ? rdst->remote_ip.sa.sa_family : AF_INET;
+ } else if (nh) {
+ ndm->ndm_family = nh_family;
+ }
send_eth = !is_zero_ether_addr(fdb->eth_addr);
- ndm->ndm_family = send_ip ? rdst->remote_ip.sa.sa_family : AF_INET;
} else
ndm->ndm_family = AF_BRIDGE;
ndm->ndm_state = fdb->state;
ndm->ndm_ifindex = vxlan->dev->ifindex;
ndm->ndm_flags = fdb->flags;
- if (rdst->offloaded)
+ if (rdst && rdst->offloaded)
ndm->ndm_flags |= NTF_OFFLOADED;
ndm->ndm_type = RTN_UNICAST;
@@ -284,23 +307,30 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan,
if (send_eth && nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->eth_addr))
goto nla_put_failure;
+ if (nh) {
+ if (nla_put_u32(skb, NDA_NH_ID, nh_id))
+ goto nla_put_failure;
+ } else if (rdst) {
+ if (send_ip && vxlan_nla_put_addr(skb, NDA_DST,
+ &rdst->remote_ip))
+ goto nla_put_failure;
+
+ if (rdst->remote_port &&
+ rdst->remote_port != vxlan->cfg.dst_port &&
+ nla_put_be16(skb, NDA_PORT, rdst->remote_port))
+ goto nla_put_failure;
+ if (rdst->remote_vni != vxlan->default_dst.remote_vni &&
+ nla_put_u32(skb, NDA_VNI, be32_to_cpu(rdst->remote_vni)))
+ goto nla_put_failure;
+ if (rdst->remote_ifindex &&
+ nla_put_u32(skb, NDA_IFINDEX, rdst->remote_ifindex))
+ goto nla_put_failure;
+ }
- if (send_ip && vxlan_nla_put_addr(skb, NDA_DST, &rdst->remote_ip))
- goto nla_put_failure;
-
- if (rdst->remote_port && rdst->remote_port != vxlan->cfg.dst_port &&
- nla_put_be16(skb, NDA_PORT, rdst->remote_port))
- goto nla_put_failure;
- if (rdst->remote_vni != vxlan->default_dst.remote_vni &&
- nla_put_u32(skb, NDA_VNI, be32_to_cpu(rdst->remote_vni)))
- goto nla_put_failure;
if ((vxlan->cfg.flags & VXLAN_F_COLLECT_METADATA) && fdb->vni &&
nla_put_u32(skb, NDA_SRC_VNI,
be32_to_cpu(fdb->vni)))
goto nla_put_failure;
- if (rdst->remote_ifindex &&
- nla_put_u32(skb, NDA_IFINDEX, rdst->remote_ifindex))
- goto nla_put_failure;
ci.ndm_used = jiffies_to_clock_t(now - fdb->used);
ci.ndm_confirmed = 0;
@@ -401,7 +431,7 @@ static int vxlan_fdb_notify(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,
{
int err;
- if (swdev_notify) {
+ if (swdev_notify && rd) {
switch (type) {
case RTM_NEWNEIGH:
err = vxlan_fdb_switchdev_call_notifiers(vxlan, fdb, rd,
@@ -793,8 +823,9 @@ static int vxlan_gro_complete(struct sock *sk, struct sk_buff *skb, int nhoff)
return eth_gro_complete(skb, nhoff + sizeof(struct vxlanhdr));
}
-static struct vxlan_fdb *vxlan_fdb_alloc(const u8 *mac, __u16 state,
- __be32 src_vni, __u16 ndm_flags)
+static struct vxlan_fdb *vxlan_fdb_alloc(struct vxlan_dev *vxlan, const u8 *mac,
+ __u16 state, __be32 src_vni,
+ __u16 ndm_flags)
{
struct vxlan_fdb *f;
@@ -805,6 +836,9 @@ static struct vxlan_fdb *vxlan_fdb_alloc(const u8 *mac, __u16 state,
f->flags = ndm_flags;
f->updated = f->used = jiffies;
f->vni = src_vni;
+ f->nh = NULL;
+ RCU_INIT_POINTER(f->vdev, vxlan);
+ INIT_LIST_HEAD(&f->nh_list);
INIT_LIST_HEAD(&f->remotes);
memcpy(f->eth_addr, mac, ETH_ALEN);
@@ -819,11 +853,78 @@ static void vxlan_fdb_insert(struct vxlan_dev *vxlan, const u8 *mac,
vxlan_fdb_head(vxlan, mac, src_vni));
}
+static int vxlan_fdb_nh_update(struct vxlan_dev *vxlan, struct vxlan_fdb *fdb,
+ u32 nhid, struct netlink_ext_ack *extack)
+{
+ struct nexthop *old_nh = rtnl_dereference(fdb->nh);
+ struct nh_group *nhg;
+ struct nexthop *nh;
+ int err = -EINVAL;
+
+ if (old_nh && old_nh->id == nhid)
+ return 0;
+
+ nh = nexthop_find_by_id(vxlan->net, nhid);
+ if (!nh) {
+ NL_SET_ERR_MSG(extack, "Nexthop id does not exist");
+ goto err_inval;
+ }
+
+ if (nh) {
+ if (!nexthop_get(nh)) {
+ NL_SET_ERR_MSG(extack, "Nexthop has been deleted");
+ nh = NULL;
+ goto err_inval;
+ }
+ if (!nh->is_fdb_nh) {
+ NL_SET_ERR_MSG(extack, "Nexthop is not a fdb nexthop");
+ goto err_inval;
+ }
+
+ nhg = rtnl_dereference(nh->nh_grp);
+ if (!nh->is_group || !nhg->mpath) {
+ NL_SET_ERR_MSG(extack, "Nexthop is not a multipath group");
+ goto err_inval;
+ }
+
+ /* check nexthop group family */
+ switch (vxlan->default_dst.remote_ip.sa.sa_family) {
+ case AF_INET:
+ if (!nhg->has_v4) {
+ err = -EAFNOSUPPORT;
+ NL_SET_ERR_MSG(extack, "Nexthop group family not supported");
+ goto err_inval;
+ }
+ break;
+ case AF_INET6:
+ if (nhg->has_v4) {
+ err = -EAFNOSUPPORT;
+ NL_SET_ERR_MSG(extack, "Nexthop group family not supported");
+ goto err_inval;
+ }
+ }
+ }
+
+ if (old_nh) {
+ list_del_rcu(&fdb->nh_list);
+ nexthop_put(old_nh);
+ }
+ rcu_assign_pointer(fdb->nh, nh);
+ list_add_tail_rcu(&fdb->nh_list, &nh->fdb_list);
+ return 1;
+
+err_inval:
+ if (nh)
+ nexthop_put(nh);
+ return err;
+}
+
static int vxlan_fdb_create(struct vxlan_dev *vxlan,
const u8 *mac, union vxlan_addr *ip,
__u16 state, __be16 port, __be32 src_vni,
__be32 vni, __u32 ifindex, __u16 ndm_flags,
- struct vxlan_fdb **fdb)
+ u32 nhid, struct vxlan_fdb **fdb,
+ struct netlink_ext_ack *extack)
{
struct vxlan_rdst *rd = NULL;
struct vxlan_fdb *f;
@@ -834,24 +935,37 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan,
return -ENOSPC;
netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);
- f = vxlan_fdb_alloc(mac, state, src_vni, ndm_flags);
+ f = vxlan_fdb_alloc(vxlan, mac, state, src_vni, ndm_flags);
if (!f)
return -ENOMEM;
- rc = vxlan_fdb_append(f, ip, port, vni, ifindex, &rd);
- if (rc < 0) {
- kfree(f);
- return rc;
- }
+ if (nhid)
+ rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);
+ else
+ rc = vxlan_fdb_append(f, ip, port, vni, ifindex, &rd);
+ if (rc < 0)
+ goto errout;
*fdb = f;
return 0;
+
+errout:
+ kfree(f);
+ return rc;
}
static void __vxlan_fdb_free(struct vxlan_fdb *f)
{
struct vxlan_rdst *rd, *nd;
+ struct nexthop *nh;
+
+ nh = rcu_dereference_raw(f->nh);
+ if (nh) {
+ rcu_assign_pointer(f->nh, NULL);
+ rcu_assign_pointer(f->vdev, NULL);
+ nexthop_put(nh);
+ }
list_for_each_entry_safe(rd, nd, &f->remotes, list) {
dst_cache_destroy(&rd->dst_cache);
@@ -875,12 +989,18 @@ static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,
netdev_dbg(vxlan->dev, "delete %pM\n", f->eth_addr);
--vxlan->addrcnt;
- if (do_notify)
- list_for_each_entry(rd, &f->remotes, list)
- vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH,
+ if (do_notify) {
+ if (rcu_access_pointer(f->nh))
+ vxlan_fdb_notify(vxlan, f, NULL, RTM_DELNEIGH,
swdev_notify, NULL);
+ else
+ list_for_each_entry(rd, &f->remotes, list)
+ vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH,
+ swdev_notify, NULL);
+ }
hlist_del_rcu(&f->hlist);
+ list_del_rcu(&f->nh_list);
call_rcu(&f->rcu, vxlan_fdb_free);
}
@@ -897,7 +1017,7 @@ static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
__u16 state, __u16 flags,
__be16 port, __be32 vni,
__u32 ifindex, __u16 ndm_flags,
- struct vxlan_fdb *f,
+ struct vxlan_fdb *f, u32 nhid,
bool swdev_notify,
struct netlink_ext_ack *extack)
{
@@ -908,6 +1028,18 @@ static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
int rc = 0;
int err;
+ if (nhid && !rcu_access_pointer(f->nh)) {
+ NL_SET_ERR_MSG(extack,
+ "Cannot replace an existing non nexthop fdb with a nexthop");
+ return -EOPNOTSUPP;
+ }
+
+ if (nhid && (flags & NLM_F_APPEND)) {
+ NL_SET_ERR_MSG(extack,
+ "Cannot append to a nexthop fdb");
+ return -EOPNOTSUPP;
+ }
+
/* Do not allow an externally learned entry to take over an entry added
* by the user.
*/
@@ -929,10 +1061,17 @@ static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
/* Only change unicasts */
if (!(is_multicast_ether_addr(f->eth_addr) ||
is_zero_ether_addr(f->eth_addr))) {
- rc = vxlan_fdb_replace(f, ip, port, vni,
- ifindex, &oldrd);
+ if (nhid) {
+ rc = vxlan_fdb_nh_update(vxlan, f, nhid, extack);
+ if (rc < 0)
+ return rc;
+ } else {
+ rc = vxlan_fdb_replace(f, ip, port, vni,
+ ifindex, &oldrd);
+ }
notify |= rc;
} else {
+ NL_SET_ERR_MSG(extack, "Cannot replace non-unicast fdb entries");
return -EOPNOTSUPP;
}
}
@@ -962,6 +1101,8 @@ static int vxlan_fdb_update_existing(struct vxlan_dev *vxlan,
return 0;
err_notify:
+ if (nhid)
+ return err;
if ((flags & NLM_F_REPLACE) && rc)
*rd = oldrd;
else if ((flags & NLM_F_APPEND) && rc) {
@@ -975,7 +1116,7 @@ static int vxlan_fdb_update_create(struct vxlan_dev *vxlan,
const u8 *mac, union vxlan_addr *ip,
__u16 state, __u16 flags,
__be16 port, __be32 src_vni, __be32 vni,
- __u32 ifindex, __u16 ndm_flags,
+ __u32 ifindex, __u16 ndm_flags, u32 nhid,
bool swdev_notify,
struct netlink_ext_ack *extack)
{
@@ -990,7 +1131,7 @@ static int vxlan_fdb_update_create(struct vxlan_dev *vxlan,
netdev_dbg(vxlan->dev, "add %pM -> %pIS\n", mac, ip);
rc = vxlan_fdb_create(vxlan, mac, ip, state, port, src_vni,
- vni, ifindex, fdb_flags, &f);
+ vni, ifindex, fdb_flags, nhid, &f, extack);
if (rc < 0)
return rc;
@@ -1012,7 +1153,7 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
const u8 *mac, union vxlan_addr *ip,
__u16 state, __u16 flags,
__be16 port, __be32 src_vni, __be32 vni,
- __u32 ifindex, __u16 ndm_flags,
+ __u32 ifindex, __u16 ndm_flags, u32 nhid,
bool swdev_notify,
struct netlink_ext_ack *extack)
{
@@ -1028,14 +1169,15 @@ static int vxlan_fdb_update(struct vxlan_dev *vxlan,
return vxlan_fdb_update_existing(vxlan, ip, state, flags, port,
vni, ifindex, ndm_flags, f,
- swdev_notify, extack);
+ nhid, swdev_notify, extack);
} else {
if (!(flags & NLM_F_CREATE))
return -ENOENT;
return vxlan_fdb_update_create(vxlan, mac, ip, state, flags,
port, src_vni, vni, ifindex,
- ndm_flags, swdev_notify, extack);
+ ndm_flags, nhid, swdev_notify,
+ extack);
}
}
@@ -1049,11 +1191,15 @@ static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f,
static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,
union vxlan_addr *ip, __be16 *port, __be32 *src_vni,
- __be32 *vni, u32 *ifindex)
+ __be32 *vni, u32 *ifindex, u32 *nhid)
{
struct net *net = dev_net(vxlan->dev);
int err;
+ if (tb[NDA_NH_ID] && (tb[NDA_DST] || tb[NDA_VNI] || tb[NDA_IFINDEX] ||
+ tb[NDA_PORT]))
+ return -EINVAL;
+
if (tb[NDA_DST]) {
err = vxlan_nla_get_addr(ip, tb[NDA_DST]);
if (err)
@@ -1109,6 +1255,11 @@ static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan,
*ifindex = 0;
}
+ if (tb[NDA_NH_ID])
+ *nhid = nla_get_u32(tb[NDA_NH_ID]);
+ else
+ *nhid = 0;
+
return 0;
}
@@ -1123,7 +1274,7 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
union vxlan_addr ip;
__be16 port;
__be32 src_vni, vni;
- u32 ifindex;
+ u32 ifindex, nhid;
u32 hash_index;
int err;
@@ -1133,10 +1284,11 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
return -EINVAL;
}
- if (tb[NDA_DST] == NULL)
+ if (!tb || (!tb[NDA_DST] && !tb[NDA_NH_ID]))
return -EINVAL;
- err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex);
+ err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,
+ &nhid);
if (err)
return err;
@@ -1148,7 +1300,7 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
err = vxlan_fdb_update(vxlan, addr, &ip, ndm->ndm_state, flags,
port, src_vni, vni, ifindex,
ndm->ndm_flags | NTF_VXLAN_ADDED_BY_USER,
- true, extack);
+ nhid, true, extack);
spin_unlock_bh(&vxlan->hash_lock[hash_index]);
return err;
@@ -1159,8 +1311,8 @@ static int __vxlan_fdb_delete(struct vxlan_dev *vxlan,
__be16 port, __be32 src_vni, __be32 vni,
u32 ifindex, bool swdev_notify)
{
- struct vxlan_fdb *f;
struct vxlan_rdst *rd = NULL;
+ struct vxlan_fdb *f;
int err = -ENOENT;
f = vxlan_find_mac(vxlan, addr, src_vni);
@@ -1195,12 +1347,13 @@ static int vxlan_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[],
struct vxlan_dev *vxlan = netdev_priv(dev);
union vxlan_addr ip;
__be32 src_vni, vni;
- __be16 port;
- u32 ifindex;
+ u32 ifindex, nhid;
u32 hash_index;
+ __be16 port;
int err;
- err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex);
+ err = vxlan_fdb_parse(tb, vxlan, &ip, &port, &src_vni, &vni, &ifindex,
+ &nhid);
if (err)
return err;
@@ -1228,6 +1381,17 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {
struct vxlan_rdst *rd;
+ if (rcu_access_pointer(f->nh)) {
+ err = vxlan_fdb_info(skb, vxlan, f,
+ NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq,
+ RTM_NEWNEIGH,
+ NLM_F_MULTI, NULL);
+ if (err < 0)
+ goto out;
+ continue;
+ }
+
list_for_each_entry_rcu(rd, &f->remotes, list) {
if (*idx < cb->args[2])
goto skip;
@@ -1311,6 +1475,10 @@ static bool vxlan_snoop(struct net_device *dev,
if (f->state & (NUD_PERMANENT | NUD_NOARP))
return true;
+ /* Don't override an fdb with nexthop with a learnt entry */
+ if (rcu_access_pointer(f->nh))
+ return true;
+
if (net_ratelimit())
netdev_info(dev,
"%pM migrated from %pIS to %pIS\n",
@@ -1333,7 +1501,7 @@ static bool vxlan_snoop(struct net_device *dev,
vxlan->cfg.dst_port,
vni,
vxlan->default_dst.remote_vni,
- ifindex, NTF_SELF, true, NULL);
+ ifindex, NTF_SELF, 0, true, NULL);
spin_unlock(&vxlan->hash_lock[hash_index]);
}
@@ -1924,6 +2092,10 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request,
ns_olen = request->len - skb_network_offset(request) -
sizeof(struct ipv6hdr) - sizeof(*ns);
for (i = 0; i < ns_olen-1; i += (ns->opt[i+1]<<3)) {
+ if (!ns->opt[i + 1]) {
+ kfree_skb(reply);
+ return NULL;
+ }
if (ns->opt[i] == ND_OPT_SOURCE_LL_ADDR) {
daddr = ns->opt + i + sizeof(struct nd_opt_hdr);
break;
@@ -2616,6 +2788,38 @@ tx_error:
kfree_skb(skb);
}
+static void vxlan_xmit_nh(struct sk_buff *skb, struct net_device *dev,
+ struct vxlan_fdb *f, __be32 vni, bool did_rsc)
+{
+ struct vxlan_rdst nh_rdst;
+ struct nexthop *nh;
+ bool do_xmit;
+ u32 hash;
+
+ memset(&nh_rdst, 0, sizeof(struct vxlan_rdst));
+ hash = skb_get_hash(skb);
+
+ rcu_read_lock();
+ nh = rcu_dereference(f->nh);
+ if (!nh) {
+ rcu_read_unlock();
+ goto drop;
+ }
+ do_xmit = vxlan_fdb_nh_path_select(nh, hash, &nh_rdst);
+ rcu_read_unlock();
+
+ if (likely(do_xmit))
+ vxlan_xmit_one(skb, dev, vni, &nh_rdst, did_rsc);
+ else
+ goto drop;
+
+ return;
+
+drop:
+ dev->stats.tx_dropped++;
+ dev_kfree_skb(skb);
+}
+
/* Transmit local packets over Vxlan
*
* Outer IP header inherits ECN and DF from inner header.
@@ -2692,22 +2896,27 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev)
}
}
- list_for_each_entry_rcu(rdst, &f->remotes, list) {
- struct sk_buff *skb1;
+ if (rcu_access_pointer(f->nh)) {
+ vxlan_xmit_nh(skb, dev, f,
+ (vni ? : vxlan->default_dst.remote_vni), did_rsc);
+ } else {
+ list_for_each_entry_rcu(rdst, &f->remotes, list) {
+ struct sk_buff *skb1;
- if (!fdst) {
- fdst = rdst;
- continue;
+ if (!fdst) {
+ fdst = rdst;
+ continue;
+ }
+ skb1 = skb_clone(skb, GFP_ATOMIC);
+ if (skb1)
+ vxlan_xmit_one(skb1, dev, vni, rdst, did_rsc);
}
- skb1 = skb_clone(skb, GFP_ATOMIC);
- if (skb1)
- vxlan_xmit_one(skb1, dev, vni, rdst, did_rsc);
+ if (fdst)
+ vxlan_xmit_one(skb, dev, vni, fdst, did_rsc);
+ else
+ kfree_skb(skb);
}
- if (fdst)
- vxlan_xmit_one(skb, dev, vni, fdst, did_rsc);
- else
- kfree_skb(skb);
return NETDEV_TX_OK;
}
@@ -3144,7 +3353,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
u32 id = nla_get_u32(data[IFLA_VXLAN_ID]);
if (id >= VXLAN_N_VID) {
- NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_ID],
+ NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_ID],
"VXLAN ID must be lower than 16777216");
return -ERANGE;
}
@@ -3155,7 +3364,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
= nla_data(data[IFLA_VXLAN_PORT_RANGE]);
if (ntohs(p->high) < ntohs(p->low)) {
- NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_PORT_RANGE],
+ NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_PORT_RANGE],
"Invalid source port range");
return -EINVAL;
}
@@ -3165,7 +3374,7 @@ static int vxlan_validate(struct nlattr *tb[], struct nlattr *data[],
enum ifla_vxlan_df df = nla_get_u8(data[IFLA_VXLAN_DF]);
if (df < 0 || df > VXLAN_DF_MAX) {
- NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_VXLAN_DF],
+ NL_SET_ERR_MSG_ATTR(extack, data[IFLA_VXLAN_DF],
"Invalid DF attribute");
return -EINVAL;
}
@@ -3615,7 +3824,7 @@ static int __vxlan_dev_create(struct net *net, struct net_device *dev,
dst->remote_vni,
dst->remote_vni,
dst->remote_ifindex,
- NTF_SELF, &f);
+ NTF_SELF, 0, &f, extack);
if (err)
return err;
}
@@ -4013,7 +4222,7 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[],
vxlan->cfg.dst_port,
conf.vni, conf.vni,
conf.remote_ifindex,
- NTF_SELF, true, extack);
+ NTF_SELF, 0, true, extack);
if (err) {
spin_unlock_bh(&vxlan->hash_lock[hash_index]);
netdev_adjacent_change_abort(dst->remote_dev,
@@ -4335,7 +4544,7 @@ vxlan_fdb_external_learn_add(struct net_device *dev,
fdb_info->remote_vni,
fdb_info->remote_ifindex,
NTF_USE | NTF_SELF | NTF_EXT_LEARNED,
- false, extack);
+ 0, false, extack);
spin_unlock_bh(&vxlan->hash_lock[hash_index]);
return err;
@@ -4410,6 +4619,43 @@ static struct notifier_block vxlan_switchdev_notifier_block __read_mostly = {
.notifier_call = vxlan_switchdev_event,
};
+static void vxlan_fdb_nh_flush(struct nexthop *nh)
+{
+ struct vxlan_fdb *fdb;
+ struct vxlan_dev *vxlan;
+ u32 hash_index;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(fdb, &nh->fdb_list, nh_list) {
+ vxlan = rcu_dereference(fdb->vdev);
+ WARN_ON(!vxlan);
+ hash_index = fdb_head_index(vxlan, fdb->eth_addr,
+ vxlan->default_dst.remote_vni);
+ spin_lock_bh(&vxlan->hash_lock[hash_index]);
+ if (!hlist_unhashed(&fdb->hlist))
+ vxlan_fdb_destroy(vxlan, fdb, false, false);
+ spin_unlock_bh(&vxlan->hash_lock[hash_index]);
+ }
+ rcu_read_unlock();
+}
+
+static int vxlan_nexthop_event(struct notifier_block *nb,
+ unsigned long event, void *ptr)
+{
+ struct nexthop *nh = ptr;
+
+ if (!nh || event != NEXTHOP_EVENT_DEL)
+ return NOTIFY_DONE;
+
+ vxlan_fdb_nh_flush(nh);
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block vxlan_nexthop_notifier_block __read_mostly = {
+ .notifier_call = vxlan_nexthop_event,
+};
+
static __net_init int vxlan_init_net(struct net *net)
{
struct vxlan_net *vn = net_generic(net, vxlan_net_id);
@@ -4421,7 +4667,7 @@ static __net_init int vxlan_init_net(struct net *net)
for (h = 0; h < PORT_HASH_SIZE; ++h)
INIT_HLIST_HEAD(&vn->sock_list[h]);
- return 0;
+ return register_nexthop_notifier(net, &vxlan_nexthop_notifier_block);
}
static void vxlan_destroy_tunnels(struct net *net, struct list_head *head)
@@ -4454,6 +4700,8 @@ static void __net_exit vxlan_exit_batch_net(struct list_head *net_list)
rtnl_lock();
list_for_each_entry(net, net_list, exit_list)
+ unregister_nexthop_notifier(net, &vxlan_nexthop_notifier_block);
+ list_for_each_entry(net, net_list, exit_list)
vxlan_destroy_tunnels(net, &list);
unregister_netdevice_many(&list);
diff --git a/drivers/net/wan/Kconfig b/drivers/net/wan/Kconfig
index dbc0e3f7a3e2..3e21726c36e8 100644
--- a/drivers/net/wan/Kconfig
+++ b/drivers/net/wan/Kconfig
@@ -336,7 +336,7 @@ config DLCI
To use frame relay, you need supporting hardware (called FRAD) and
certain programs from the net-tools package as explained in
- <file:Documentation/networking/framerelay.txt>.
+ <file:Documentation/networking/framerelay.rst>.
To compile this driver as a module, choose M here: the
module will be called dlci.
@@ -361,7 +361,7 @@ config SDLA
These are multi-protocol cards, but only Frame Relay is supported
by the driver at this time. Please read
- <file:Documentation/networking/framerelay.txt>.
+ <file:Documentation/networking/framerelay.rst>.
To compile this driver as a module, choose M here: the
module will be called sdla.
diff --git a/drivers/net/wimax/i2400m/usb-fw.c b/drivers/net/wimax/i2400m/usb-fw.c
index 529ebca1e9e1..1f7709d24f35 100644
--- a/drivers/net/wimax/i2400m/usb-fw.c
+++ b/drivers/net/wimax/i2400m/usb-fw.c
@@ -354,6 +354,7 @@ out:
usb_autopm_put_interface(i2400mu->usb_iface);
d_fnend(8, dev, "(i2400m %p ack %p size %zu) = %ld\n",
i2400m, ack, ack_size, (long) result);
+ usb_put_urb(&notif_urb);
return result;
error_exceeded:
diff --git a/drivers/net/wireguard/messages.h b/drivers/net/wireguard/messages.h
index b8a7b9ce32ba..208da72673fc 100644
--- a/drivers/net/wireguard/messages.h
+++ b/drivers/net/wireguard/messages.h
@@ -32,7 +32,7 @@ enum cookie_values {
};
enum counter_values {
- COUNTER_BITS_TOTAL = 2048,
+ COUNTER_BITS_TOTAL = 8192,
COUNTER_REDUNDANT_BITS = BITS_PER_LONG,
COUNTER_WINDOW_SIZE = COUNTER_BITS_TOTAL - COUNTER_REDUNDANT_BITS
};
diff --git a/drivers/net/wireguard/noise.c b/drivers/net/wireguard/noise.c
index 708dc61c974f..626433690abb 100644
--- a/drivers/net/wireguard/noise.c
+++ b/drivers/net/wireguard/noise.c
@@ -104,6 +104,7 @@ static struct noise_keypair *keypair_create(struct wg_peer *peer)
if (unlikely(!keypair))
return NULL;
+ spin_lock_init(&keypair->receiving_counter.lock);
keypair->internal_id = atomic64_inc_return(&keypair_counter);
keypair->entry.type = INDEX_HASHTABLE_KEYPAIR;
keypair->entry.peer = peer;
@@ -358,25 +359,16 @@ out:
memzero_explicit(output, BLAKE2S_HASH_SIZE + 1);
}
-static void symmetric_key_init(struct noise_symmetric_key *key)
-{
- spin_lock_init(&key->counter.receive.lock);
- atomic64_set(&key->counter.counter, 0);
- memset(key->counter.receive.backtrack, 0,
- sizeof(key->counter.receive.backtrack));
- key->birthdate = ktime_get_coarse_boottime_ns();
- key->is_valid = true;
-}
-
static void derive_keys(struct noise_symmetric_key *first_dst,
struct noise_symmetric_key *second_dst,
const u8 chaining_key[NOISE_HASH_LEN])
{
+ u64 birthdate = ktime_get_coarse_boottime_ns();
kdf(first_dst->key, second_dst->key, NULL, NULL,
NOISE_SYMMETRIC_KEY_LEN, NOISE_SYMMETRIC_KEY_LEN, 0, 0,
chaining_key);
- symmetric_key_init(first_dst);
- symmetric_key_init(second_dst);
+ first_dst->birthdate = second_dst->birthdate = birthdate;
+ first_dst->is_valid = second_dst->is_valid = true;
}
static bool __must_check mix_dh(u8 chaining_key[NOISE_HASH_LEN],
@@ -715,6 +707,7 @@ wg_noise_handshake_consume_response(struct message_handshake_response *src,
u8 e[NOISE_PUBLIC_KEY_LEN];
u8 ephemeral_private[NOISE_PUBLIC_KEY_LEN];
u8 static_private[NOISE_PUBLIC_KEY_LEN];
+ u8 preshared_key[NOISE_SYMMETRIC_KEY_LEN];
down_read(&wg->static_identity.lock);
@@ -733,6 +726,8 @@ wg_noise_handshake_consume_response(struct message_handshake_response *src,
memcpy(chaining_key, handshake->chaining_key, NOISE_HASH_LEN);
memcpy(ephemeral_private, handshake->ephemeral_private,
NOISE_PUBLIC_KEY_LEN);
+ memcpy(preshared_key, handshake->preshared_key,
+ NOISE_SYMMETRIC_KEY_LEN);
up_read(&handshake->lock);
if (state != HANDSHAKE_CREATED_INITIATION)
@@ -750,7 +745,7 @@ wg_noise_handshake_consume_response(struct message_handshake_response *src,
goto fail;
/* psk */
- mix_psk(chaining_key, hash, key, handshake->preshared_key);
+ mix_psk(chaining_key, hash, key, preshared_key);
/* {} */
if (!message_decrypt(NULL, src->encrypted_nothing,
@@ -783,6 +778,7 @@ out:
memzero_explicit(chaining_key, NOISE_HASH_LEN);
memzero_explicit(ephemeral_private, NOISE_PUBLIC_KEY_LEN);
memzero_explicit(static_private, NOISE_PUBLIC_KEY_LEN);
+ memzero_explicit(preshared_key, NOISE_SYMMETRIC_KEY_LEN);
up_read(&wg->static_identity.lock);
return ret_peer;
}
diff --git a/drivers/net/wireguard/noise.h b/drivers/net/wireguard/noise.h
index f532d59d3f19..c527253dba80 100644
--- a/drivers/net/wireguard/noise.h
+++ b/drivers/net/wireguard/noise.h
@@ -15,18 +15,14 @@
#include <linux/mutex.h>
#include <linux/kref.h>
-union noise_counter {
- struct {
- u64 counter;
- unsigned long backtrack[COUNTER_BITS_TOTAL / BITS_PER_LONG];
- spinlock_t lock;
- } receive;
- atomic64_t counter;
+struct noise_replay_counter {
+ u64 counter;
+ spinlock_t lock;
+ unsigned long backtrack[COUNTER_BITS_TOTAL / BITS_PER_LONG];
};
struct noise_symmetric_key {
u8 key[NOISE_SYMMETRIC_KEY_LEN];
- union noise_counter counter;
u64 birthdate;
bool is_valid;
};
@@ -34,7 +30,9 @@ struct noise_symmetric_key {
struct noise_keypair {
struct index_hashtable_entry entry;
struct noise_symmetric_key sending;
+ atomic64_t sending_counter;
struct noise_symmetric_key receiving;
+ struct noise_replay_counter receiving_counter;
__le32 remote_index;
bool i_am_the_initiator;
struct kref refcount;
diff --git a/drivers/net/wireguard/queueing.c b/drivers/net/wireguard/queueing.c
index 5c964fcb994e..71b8e80b58e1 100644
--- a/drivers/net/wireguard/queueing.c
+++ b/drivers/net/wireguard/queueing.c
@@ -35,8 +35,10 @@ int wg_packet_queue_init(struct crypt_queue *queue, work_func_t function,
if (multicore) {
queue->worker = wg_packet_percpu_multicore_worker_alloc(
function, queue);
- if (!queue->worker)
+ if (!queue->worker) {
+ ptr_ring_cleanup(&queue->ring, NULL);
return -ENOMEM;
+ }
} else {
INIT_WORK(&queue->work, function);
}
diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h
index 3432232afe06..c58df439dbbe 100644
--- a/drivers/net/wireguard/queueing.h
+++ b/drivers/net/wireguard/queueing.h
@@ -87,12 +87,20 @@ static inline bool wg_check_packet_protocol(struct sk_buff *skb)
return real_protocol && skb->protocol == real_protocol;
}
-static inline void wg_reset_packet(struct sk_buff *skb)
+static inline void wg_reset_packet(struct sk_buff *skb, bool encapsulating)
{
+ u8 l4_hash = skb->l4_hash;
+ u8 sw_hash = skb->sw_hash;
+ u32 hash = skb->hash;
skb_scrub_packet(skb, true);
memset(&skb->headers_start, 0,
offsetof(struct sk_buff, headers_end) -
offsetof(struct sk_buff, headers_start));
+ if (encapsulating) {
+ skb->l4_hash = l4_hash;
+ skb->sw_hash = sw_hash;
+ skb->hash = hash;
+ }
skb->queue_mapping = 0;
skb->nohdr = 0;
skb->peeked = 0;
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index da3b782ab7d3..91438144e4f7 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -226,40 +226,39 @@ void wg_packet_handshake_receive_worker(struct work_struct *work)
static void keep_key_fresh(struct wg_peer *peer)
{
struct noise_keypair *keypair;
- bool send = false;
+ bool send;
if (peer->sent_lastminute_handshake)
return;
rcu_read_lock_bh();
keypair = rcu_dereference_bh(peer->keypairs.current_keypair);
- if (likely(keypair && READ_ONCE(keypair->sending.is_valid)) &&
- keypair->i_am_the_initiator &&
- unlikely(wg_birthdate_has_expired(keypair->sending.birthdate,
- REJECT_AFTER_TIME - KEEPALIVE_TIMEOUT - REKEY_TIMEOUT)))
- send = true;
+ send = keypair && READ_ONCE(keypair->sending.is_valid) &&
+ keypair->i_am_the_initiator &&
+ wg_birthdate_has_expired(keypair->sending.birthdate,
+ REJECT_AFTER_TIME - KEEPALIVE_TIMEOUT - REKEY_TIMEOUT);
rcu_read_unlock_bh();
- if (send) {
+ if (unlikely(send)) {
peer->sent_lastminute_handshake = true;
wg_packet_send_queued_handshake_initiation(peer, false);
}
}
-static bool decrypt_packet(struct sk_buff *skb, struct noise_symmetric_key *key)
+static bool decrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair)
{
struct scatterlist sg[MAX_SKB_FRAGS + 8];
struct sk_buff *trailer;
unsigned int offset;
int num_frags;
- if (unlikely(!key))
+ if (unlikely(!keypair))
return false;
- if (unlikely(!READ_ONCE(key->is_valid) ||
- wg_birthdate_has_expired(key->birthdate, REJECT_AFTER_TIME) ||
- key->counter.receive.counter >= REJECT_AFTER_MESSAGES)) {
- WRITE_ONCE(key->is_valid, false);
+ if (unlikely(!READ_ONCE(keypair->receiving.is_valid) ||
+ wg_birthdate_has_expired(keypair->receiving.birthdate, REJECT_AFTER_TIME) ||
+ keypair->receiving_counter.counter >= REJECT_AFTER_MESSAGES)) {
+ WRITE_ONCE(keypair->receiving.is_valid, false);
return false;
}
@@ -284,7 +283,7 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_symmetric_key *key)
if (!chacha20poly1305_decrypt_sg_inplace(sg, skb->len, NULL, 0,
PACKET_CB(skb)->nonce,
- key->key))
+ keypair->receiving.key))
return false;
/* Another ugly situation of pushing and pulling the header so as to
@@ -299,41 +298,41 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_symmetric_key *key)
}
/* This is RFC6479, a replay detection bitmap algorithm that avoids bitshifts */
-static bool counter_validate(union noise_counter *counter, u64 their_counter)
+static bool counter_validate(struct noise_replay_counter *counter, u64 their_counter)
{
unsigned long index, index_current, top, i;
bool ret = false;
- spin_lock_bh(&counter->receive.lock);
+ spin_lock_bh(&counter->lock);
- if (unlikely(counter->receive.counter >= REJECT_AFTER_MESSAGES + 1 ||
+ if (unlikely(counter->counter >= REJECT_AFTER_MESSAGES + 1 ||
their_counter >= REJECT_AFTER_MESSAGES))
goto out;
++their_counter;
if (unlikely((COUNTER_WINDOW_SIZE + their_counter) <
- counter->receive.counter))
+ counter->counter))
goto out;
index = their_counter >> ilog2(BITS_PER_LONG);
- if (likely(their_counter > counter->receive.counter)) {
- index_current = counter->receive.counter >> ilog2(BITS_PER_LONG);
+ if (likely(their_counter > counter->counter)) {
+ index_current = counter->counter >> ilog2(BITS_PER_LONG);
top = min_t(unsigned long, index - index_current,
COUNTER_BITS_TOTAL / BITS_PER_LONG);
for (i = 1; i <= top; ++i)
- counter->receive.backtrack[(i + index_current) &
+ counter->backtrack[(i + index_current) &
((COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1)] = 0;
- counter->receive.counter = their_counter;
+ counter->counter = their_counter;
}
index &= (COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1;
ret = !test_and_set_bit(their_counter & (BITS_PER_LONG - 1),
- &counter->receive.backtrack[index]);
+ &counter->backtrack[index]);
out:
- spin_unlock_bh(&counter->receive.lock);
+ spin_unlock_bh(&counter->lock);
return ret;
}
@@ -393,13 +392,11 @@ static void wg_packet_consume_data_done(struct wg_peer *peer,
len = ntohs(ip_hdr(skb)->tot_len);
if (unlikely(len < sizeof(struct iphdr)))
goto dishonest_packet_size;
- if (INET_ECN_is_ce(PACKET_CB(skb)->ds))
- IP_ECN_set_ce(ip_hdr(skb));
+ INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ip_hdr(skb)->tos);
} else if (skb->protocol == htons(ETH_P_IPV6)) {
len = ntohs(ipv6_hdr(skb)->payload_len) +
sizeof(struct ipv6hdr);
- if (INET_ECN_is_ce(PACKET_CB(skb)->ds))
- IP6_ECN_set_ce(skb, ipv6_hdr(skb));
+ INET_ECN_decapsulate(skb, PACKET_CB(skb)->ds, ipv6_get_dsfield(ipv6_hdr(skb)));
} else {
goto dishonest_packet_type;
}
@@ -475,19 +472,19 @@ int wg_packet_rx_poll(struct napi_struct *napi, int budget)
if (unlikely(state != PACKET_STATE_CRYPTED))
goto next;
- if (unlikely(!counter_validate(&keypair->receiving.counter,
+ if (unlikely(!counter_validate(&keypair->receiving_counter,
PACKET_CB(skb)->nonce))) {
net_dbg_ratelimited("%s: Packet has invalid nonce %llu (max %llu)\n",
peer->device->dev->name,
PACKET_CB(skb)->nonce,
- keypair->receiving.counter.receive.counter);
+ keypair->receiving_counter.counter);
goto next;
}
if (unlikely(wg_socket_endpoint_from_skb(&endpoint, skb)))
goto next;
- wg_reset_packet(skb);
+ wg_reset_packet(skb, false);
wg_packet_consume_data_done(peer, skb, &endpoint);
free = false;
@@ -514,10 +511,12 @@ void wg_packet_decrypt_worker(struct work_struct *work)
struct sk_buff *skb;
while ((skb = ptr_ring_consume_bh(&queue->ring)) != NULL) {
- enum packet_state state = likely(decrypt_packet(skb,
- &PACKET_CB(skb)->keypair->receiving)) ?
+ enum packet_state state =
+ likely(decrypt_packet(skb, PACKET_CB(skb)->keypair)) ?
PACKET_STATE_CRYPTED : PACKET_STATE_DEAD;
wg_queue_enqueue_per_peer_napi(skb, state);
+ if (need_resched())
+ cond_resched();
}
}
diff --git a/drivers/net/wireguard/selftest/counter.c b/drivers/net/wireguard/selftest/counter.c
index f4fbb9072ed7..ec3c156bf91b 100644
--- a/drivers/net/wireguard/selftest/counter.c
+++ b/drivers/net/wireguard/selftest/counter.c
@@ -6,18 +6,24 @@
#ifdef DEBUG
bool __init wg_packet_counter_selftest(void)
{
+ struct noise_replay_counter *counter;
unsigned int test_num = 0, i;
- union noise_counter counter;
bool success = true;
-#define T_INIT do { \
- memset(&counter, 0, sizeof(union noise_counter)); \
- spin_lock_init(&counter.receive.lock); \
+ counter = kmalloc(sizeof(*counter), GFP_KERNEL);
+ if (unlikely(!counter)) {
+ pr_err("nonce counter self-test malloc: FAIL\n");
+ return false;
+ }
+
+#define T_INIT do { \
+ memset(counter, 0, sizeof(*counter)); \
+ spin_lock_init(&counter->lock); \
} while (0)
#define T_LIM (COUNTER_WINDOW_SIZE + 1)
#define T(n, v) do { \
++test_num; \
- if (counter_validate(&counter, n) != (v)) { \
+ if (counter_validate(counter, n) != (v)) { \
pr_err("nonce counter self-test %u: FAIL\n", \
test_num); \
success = false; \
@@ -99,6 +105,7 @@ bool __init wg_packet_counter_selftest(void)
if (success)
pr_info("nonce counter self-tests: pass\n");
+ kfree(counter);
return success;
}
#endif
diff --git a/drivers/net/wireguard/selftest/ratelimiter.c b/drivers/net/wireguard/selftest/ratelimiter.c
index bcd6462e4540..007cd4457c5f 100644
--- a/drivers/net/wireguard/selftest/ratelimiter.c
+++ b/drivers/net/wireguard/selftest/ratelimiter.c
@@ -120,9 +120,9 @@ bool __init wg_ratelimiter_selftest(void)
enum { TRIALS_BEFORE_GIVING_UP = 5000 };
bool success = false;
int test = 0, trials;
- struct sk_buff *skb4, *skb6;
+ struct sk_buff *skb4, *skb6 = NULL;
struct iphdr *hdr4;
- struct ipv6hdr *hdr6;
+ struct ipv6hdr *hdr6 = NULL;
if (IS_ENABLED(CONFIG_KASAN) || IS_ENABLED(CONFIG_UBSAN))
return true;
diff --git a/drivers/net/wireguard/send.c b/drivers/net/wireguard/send.c
index 7348c10cbae3..f74b9341ab0f 100644
--- a/drivers/net/wireguard/send.c
+++ b/drivers/net/wireguard/send.c
@@ -124,20 +124,17 @@ void wg_packet_send_handshake_cookie(struct wg_device *wg,
static void keep_key_fresh(struct wg_peer *peer)
{
struct noise_keypair *keypair;
- bool send = false;
+ bool send;
rcu_read_lock_bh();
keypair = rcu_dereference_bh(peer->keypairs.current_keypair);
- if (likely(keypair && READ_ONCE(keypair->sending.is_valid)) &&
- (unlikely(atomic64_read(&keypair->sending.counter.counter) >
- REKEY_AFTER_MESSAGES) ||
- (keypair->i_am_the_initiator &&
- unlikely(wg_birthdate_has_expired(keypair->sending.birthdate,
- REKEY_AFTER_TIME)))))
- send = true;
+ send = keypair && READ_ONCE(keypair->sending.is_valid) &&
+ (atomic64_read(&keypair->sending_counter) > REKEY_AFTER_MESSAGES ||
+ (keypair->i_am_the_initiator &&
+ wg_birthdate_has_expired(keypair->sending.birthdate, REKEY_AFTER_TIME)));
rcu_read_unlock_bh();
- if (send)
+ if (unlikely(send))
wg_packet_send_queued_handshake_initiation(peer, false);
}
@@ -170,6 +167,11 @@ static bool encrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair)
struct sk_buff *trailer;
int num_frags;
+ /* Force hash calculation before encryption so that flow analysis is
+ * consistent over the inner packet.
+ */
+ skb_get_hash(skb);
+
/* Calculate lengths. */
padding_len = calculate_skb_padding(skb);
trailer_len = padding_len + noise_encrypted_len(0);
@@ -281,6 +283,8 @@ void wg_packet_tx_worker(struct work_struct *work)
wg_noise_keypair_put(keypair, false);
wg_peer_put(peer);
+ if (need_resched())
+ cond_resched();
}
}
@@ -296,7 +300,7 @@ void wg_packet_encrypt_worker(struct work_struct *work)
skb_list_walk_safe(first, skb, next) {
if (likely(encrypt_packet(skb,
PACKET_CB(first)->keypair))) {
- wg_reset_packet(skb);
+ wg_reset_packet(skb, true);
} else {
state = PACKET_STATE_DEAD;
break;
@@ -304,7 +308,8 @@ void wg_packet_encrypt_worker(struct work_struct *work)
}
wg_queue_enqueue_per_peer(&PACKET_PEER(first)->tx_queue, first,
state);
-
+ if (need_resched())
+ cond_resched();
}
}
@@ -344,7 +349,6 @@ void wg_packet_purge_staged_packets(struct wg_peer *peer)
void wg_packet_send_staged_packets(struct wg_peer *peer)
{
- struct noise_symmetric_key *key;
struct noise_keypair *keypair;
struct sk_buff_head packets;
struct sk_buff *skb;
@@ -364,10 +368,9 @@ void wg_packet_send_staged_packets(struct wg_peer *peer)
rcu_read_unlock_bh();
if (unlikely(!keypair))
goto out_nokey;
- key = &keypair->sending;
- if (unlikely(!READ_ONCE(key->is_valid)))
+ if (unlikely(!READ_ONCE(keypair->sending.is_valid)))
goto out_nokey;
- if (unlikely(wg_birthdate_has_expired(key->birthdate,
+ if (unlikely(wg_birthdate_has_expired(keypair->sending.birthdate,
REJECT_AFTER_TIME)))
goto out_invalid;
@@ -382,7 +385,7 @@ void wg_packet_send_staged_packets(struct wg_peer *peer)
*/
PACKET_CB(skb)->ds = ip_tunnel_ecn_encap(0, ip_hdr(skb), skb);
PACKET_CB(skb)->nonce =
- atomic64_inc_return(&key->counter.counter) - 1;
+ atomic64_inc_return(&keypair->sending_counter) - 1;
if (unlikely(PACKET_CB(skb)->nonce >= REJECT_AFTER_MESSAGES))
goto out_invalid;
}
@@ -394,7 +397,7 @@ void wg_packet_send_staged_packets(struct wg_peer *peer)
return;
out_invalid:
- WRITE_ONCE(key->is_valid, false);
+ WRITE_ONCE(keypair->sending.is_valid, false);
out_nokey:
wg_noise_keypair_put(keypair, false);
diff --git a/drivers/net/wireguard/socket.c b/drivers/net/wireguard/socket.c
index b0d6541582d3..f9018027fc13 100644
--- a/drivers/net/wireguard/socket.c
+++ b/drivers/net/wireguard/socket.c
@@ -76,12 +76,6 @@ static int send4(struct wg_device *wg, struct sk_buff *skb,
net_dbg_ratelimited("%s: No route to %pISpfsc, error %d\n",
wg->dev->name, &endpoint->addr, ret);
goto err;
- } else if (unlikely(rt->dst.dev == skb->dev)) {
- ip_rt_put(rt);
- ret = -ELOOP;
- net_dbg_ratelimited("%s: Avoiding routing loop to %pISpfsc\n",
- wg->dev->name, &endpoint->addr);
- goto err;
}
if (cache)
dst_cache_set_ip4(cache, &rt->dst, fl.saddr);
@@ -149,12 +143,6 @@ static int send6(struct wg_device *wg, struct sk_buff *skb,
net_dbg_ratelimited("%s: No route to %pISpfsc, error %d\n",
wg->dev->name, &endpoint->addr, ret);
goto err;
- } else if (unlikely(dst->dev == skb->dev)) {
- dst_release(dst);
- ret = -ELOOP;
- net_dbg_ratelimited("%s: Avoiding routing loop to %pISpfsc\n",
- wg->dev->name, &endpoint->addr);
- goto err;
}
if (cache)
dst_cache_set_ip6(cache, dst, &fl.saddr);
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 1c98d781ae49..15b0ad171f4c 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -57,7 +57,7 @@ config PCMCIA_RAYCS
---help---
Say Y here if you intend to attach an Aviator/Raytheon PCMCIA
(PC-card) wireless Ethernet networking card to your computer.
- Please read the file <file:Documentation/networking/ray_cs.txt> for
+ Please read the file <file:Documentation/networking/ray_cs.rst> for
details.
To compile this driver as a module, choose M here: the module will be
diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig
index 6b3ff02a373d..b99fd0eff994 100644
--- a/drivers/net/wireless/ath/ath10k/Kconfig
+++ b/drivers/net/wireless/ath/ath10k/Kconfig
@@ -28,11 +28,10 @@ config ATH10K_AHB
This module adds support for AHB bus
config ATH10K_SDIO
- tristate "Atheros ath10k SDIO support (EXPERIMENTAL)"
+ tristate "Atheros ath10k SDIO support"
depends on ATH10K && MMC
---help---
- This module adds experimental support for SDIO/MMC bus. Currently
- work in progress and will not fully work.
+ This module adds support for SDIO/MMC bus.
config ATH10K_USB
tristate "Atheros ath10k USB support (EXPERIMENTAL)"
@@ -42,7 +41,7 @@ config ATH10K_USB
work in progress and will not fully work.
config ATH10K_SNOC
- tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)"
+ tristate "Qualcomm ath10k SNOC support"
depends on ATH10K
depends on ARCH_QCOM || COMPILE_TEST
select QCOM_QMI_HELPERS
diff --git a/drivers/net/wireless/ath/ath10k/bmi.c b/drivers/net/wireless/ath/ath10k/bmi.c
index ea908107581d..5b6db6e66f65 100644
--- a/drivers/net/wireless/ath/ath10k/bmi.c
+++ b/drivers/net/wireless/ath/ath10k/bmi.c
@@ -380,6 +380,7 @@ static int ath10k_bmi_lz_data_large(struct ath10k *ar, const void *buffer, u32 l
NULL, NULL);
if (ret) {
ath10k_warn(ar, "unable to write to the device\n");
+ kfree(cmd);
return ret;
}
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h
index a7478c240f78..75df79d43120 100644
--- a/drivers/net/wireless/ath/ath10k/ce.h
+++ b/drivers/net/wireless/ath/ath10k/ce.h
@@ -110,7 +110,7 @@ struct ath10k_ce_ring {
struct ce_desc_64 *shadow_base;
/* keep last */
- void *per_transfer_context[0];
+ void *per_transfer_context[];
};
struct ath10k_ce_pipe {
@@ -419,7 +419,7 @@ struct ce_pipe_config {
#define PIPEDIR_INOUT 3 /* bidirectional */
/* Establish a mapping between a service/direction and a pipe. */
-struct service_to_pipe {
+struct ce_service_to_pipe {
__le32 service_id;
__le32 pipedir;
__le32 pipenum;
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index f26cc6989dad..22b6937ac225 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -190,6 +190,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
.uart_pin_workaround = true,
.tx_stats_over_pktlog = false,
.bmi_large_size_download = true,
+ .supports_peer_stats_info = true,
},
{
.id = QCA6174_HW_2_1_VERSION,
@@ -723,15 +724,12 @@ static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
if (ret)
return ret;
- /* Data transfer is not initiated, when reduced Tx completion
- * is used for SDIO. disable it until fixed
- */
- param &= ~HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
+ param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
- /* Alternate credit size of 1544 as used by SDIO firmware is
- * not big enough for mac80211 / native wifi frames. disable it
- */
- param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
+ if (mode == ATH10K_FIRMWARE_MODE_NORMAL)
+ param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
+ else
+ param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
if (mode == ATH10K_FIRMWARE_MODE_UTF)
param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
@@ -2717,7 +2715,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
goto err_hif_stop;
}
- status = ath10k_hif_swap_mailbox(ar);
+ status = ath10k_hif_start_post(ar);
if (status) {
ath10k_err(ar, "failed to swap mailbox: %d\n", status);
goto err_hif_stop;
@@ -3280,6 +3278,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
init_completion(&ar->thermal.wmi_sync);
init_completion(&ar->bss_survey_done);
init_completion(&ar->peer_delete_done);
+ init_completion(&ar->peer_stats_info_complete);
INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
@@ -3291,6 +3290,11 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
if (!ar->workqueue_aux)
goto err_free_wq;
+ ar->workqueue_tx_complete =
+ create_singlethread_workqueue("ath10k_tx_complete_wq");
+ if (!ar->workqueue_tx_complete)
+ goto err_free_aux_wq;
+
mutex_init(&ar->conf_mutex);
mutex_init(&ar->dump_mutex);
spin_lock_init(&ar->data_lock);
@@ -3318,7 +3322,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
ret = ath10k_coredump_create(ar);
if (ret)
- goto err_free_aux_wq;
+ goto err_free_tx_complete;
ret = ath10k_debug_create(ar);
if (ret)
@@ -3328,12 +3332,12 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
err_free_coredump:
ath10k_coredump_destroy(ar);
-
+err_free_tx_complete:
+ destroy_workqueue(ar->workqueue_tx_complete);
err_free_aux_wq:
destroy_workqueue(ar->workqueue_aux);
err_free_wq:
destroy_workqueue(ar->workqueue);
-
err_free_mac:
ath10k_mac_destroy(ar);
@@ -3349,6 +3353,9 @@ void ath10k_core_destroy(struct ath10k *ar)
flush_workqueue(ar->workqueue_aux);
destroy_workqueue(ar->workqueue_aux);
+ flush_workqueue(ar->workqueue_tx_complete);
+ destroy_workqueue(ar->workqueue_tx_complete);
+
ath10k_debug_destroy(ar);
ath10k_coredump_destroy(ar);
ath10k_htt_tx_destroy(&ar->htt);
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index bd8ef576c590..5c18f6c20462 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -149,6 +149,26 @@ static inline u32 host_interest_item_address(u32 item_offset)
return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
}
+enum ath10k_phy_mode {
+ ATH10K_PHY_MODE_LEGACY = 0,
+ ATH10K_PHY_MODE_HT = 1,
+ ATH10K_PHY_MODE_VHT = 2,
+};
+
+/* Data rate 100KBPS based on IE Index */
+struct ath10k_index_ht_data_rate_type {
+ u8 beacon_rate_index;
+ u16 supported_rate[4];
+};
+
+/* Data rate 100KBPS based on IE Index */
+struct ath10k_index_vht_data_rate_type {
+ u8 beacon_rate_index;
+ u16 supported_VHT80_rate[2];
+ u16 supported_VHT40_rate[2];
+ u16 supported_VHT20_rate[2];
+};
+
struct ath10k_bmi {
bool done_sent;
};
@@ -500,8 +520,14 @@ struct ath10k_sta {
u16 peer_id;
struct rate_info txrate;
struct ieee80211_tx_info tx_info;
+ u32 tx_retries;
+ u32 tx_failed;
u32 last_tx_bitrate;
+ u32 rx_rate_code;
+ u32 rx_bitrate_kbps;
+ u32 tx_rate_code;
+ u32 tx_bitrate_kbps;
struct work_struct update_wk;
u64 rx_duration;
struct ath10k_htt_tx_stats *tx_stats;
@@ -949,6 +975,11 @@ struct ath10k {
struct ieee80211_hw *hw;
struct ieee80211_ops *ops;
struct device *dev;
+ struct msa_region {
+ dma_addr_t paddr;
+ u32 mem_size;
+ void *vaddr;
+ } msa;
u8 mac_addr[ETH_ALEN];
enum ath10k_hw_rev hw_rev;
@@ -1087,11 +1118,12 @@ struct ath10k {
int last_wmi_vdev_start_status;
struct completion vdev_setup_done;
struct completion vdev_delete_done;
+ struct completion peer_stats_info_complete;
struct workqueue_struct *workqueue;
/* Auxiliary workqueue */
struct workqueue_struct *workqueue_aux;
-
+ struct workqueue_struct *workqueue_tx_complete;
/* prevents concurrent FW reconfiguration */
struct mutex conf_mutex;
@@ -1132,6 +1164,8 @@ struct ath10k {
struct work_struct register_work;
struct work_struct restart_work;
+ struct work_struct bundle_tx_work;
+ struct work_struct tx_complete_work;
/* cycle count is reported twice for each visited channel during scan.
* access protected by data_lock
@@ -1228,7 +1262,7 @@ struct ath10k {
int coex_gpio_pin;
/* must be last */
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/coredump.h b/drivers/net/wireless/ath/ath10k/coredump.h
index 8bf03e8c1d3a..e760ce1a5f1e 100644
--- a/drivers/net/wireless/ath/ath10k/coredump.h
+++ b/drivers/net/wireless/ath/ath10k/coredump.h
@@ -88,7 +88,7 @@ struct ath10k_dump_file_data {
u8 unused[128];
/* struct ath10k_tlv_dump_data + more */
- u8 data[0];
+ u8 data[];
} __packed;
struct ath10k_dump_ram_data_hdr {
@@ -100,7 +100,7 @@ struct ath10k_dump_ram_data_hdr {
/* length of payload data, not including this header */
__le32 length;
- u8 data[0];
+ u8 data[];
};
/* magic number to fill the holes not copied due to sections in regions */
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index f811e6940fb0..e8250a665433 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -349,7 +349,7 @@ free:
spin_unlock_bh(&ar->data_lock);
}
-static int ath10k_debug_fw_stats_request(struct ath10k *ar)
+int ath10k_debug_fw_stats_request(struct ath10k *ar)
{
unsigned long timeout, time_left;
int ret;
@@ -778,7 +778,7 @@ static ssize_t ath10k_mem_value_read(struct file *file,
ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
if (ret) {
- ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
+ ath10k_warn(ar, "failed to read address 0x%08x via diagnose window from debugfs: %d\n",
(u32)(*ppos), ret);
goto exit;
}
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index 82f7eb8583d9..997c1c80aba7 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -65,7 +65,7 @@ struct ath10k_pktlog_hdr {
__le16 log_type; /* Type of log information foll this header */
__le16 size; /* Size of variable length log information in bytes */
__le32 timestamp;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* FIXME: How to calculate the buffer size sanely? */
@@ -125,6 +125,9 @@ static inline int ath10k_debug_is_extd_tx_stats_enabled(struct ath10k *ar)
{
return ar->debug.enable_extd_tx_stats;
}
+
+int ath10k_debug_fw_stats_request(struct ath10k *ar);
+
#else
static inline int ath10k_debug_start(struct ath10k *ar)
@@ -192,6 +195,11 @@ static inline int ath10k_debug_is_extd_tx_stats_enabled(struct ath10k *ar)
return 0;
}
+static inline int ath10k_debug_fw_stats_request(struct ath10k *ar)
+{
+ return 0;
+}
+
#define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
#define ath10k_debug_get_et_strings NULL
diff --git a/drivers/net/wireless/ath/ath10k/hif.h b/drivers/net/wireless/ath/ath10k/hif.h
index 496ee34a4d78..9e45fd9073a6 100644
--- a/drivers/net/wireless/ath/ath10k/hif.h
+++ b/drivers/net/wireless/ath/ath10k/hif.h
@@ -54,7 +54,9 @@ struct ath10k_hif_ops {
*/
void (*stop)(struct ath10k *ar);
- int (*swap_mailbox)(struct ath10k *ar);
+ int (*start_post)(struct ath10k *ar);
+
+ int (*get_htt_tx_complete)(struct ath10k *ar);
int (*map_service_to_pipe)(struct ath10k *ar, u16 service_id,
u8 *ul_pipe, u8 *dl_pipe);
@@ -137,10 +139,17 @@ static inline void ath10k_hif_stop(struct ath10k *ar)
return ar->hif.ops->stop(ar);
}
-static inline int ath10k_hif_swap_mailbox(struct ath10k *ar)
+static inline int ath10k_hif_start_post(struct ath10k *ar)
+{
+ if (ar->hif.ops->start_post)
+ return ar->hif.ops->start_post(ar);
+ return 0;
+}
+
+static inline int ath10k_hif_get_htt_tx_complete(struct ath10k *ar)
{
- if (ar->hif.ops->swap_mailbox)
- return ar->hif.ops->swap_mailbox(ar);
+ if (ar->hif.ops->get_htt_tx_complete)
+ return ar->hif.ops->get_htt_tx_complete(ar);
return 0;
}
@@ -161,7 +170,8 @@ static inline void ath10k_hif_get_default_pipe(struct ath10k *ar,
static inline void ath10k_hif_send_complete_check(struct ath10k *ar,
u8 pipe_id, int force)
{
- ar->hif.ops->send_complete_check(ar, pipe_id, force);
+ if (ar->hif.ops->send_complete_check)
+ ar->hif.ops->send_complete_check(ar, pipe_id, force);
}
static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar,
diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c
index 2248d6c022f4..31df6dd04bf6 100644
--- a/drivers/net/wireless/ath/ath10k/htc.c
+++ b/drivers/net/wireless/ath/ath10k/htc.c
@@ -51,10 +51,12 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
struct sk_buff *skb)
{
struct ath10k *ar = ep->htc->ar;
+ struct ath10k_htc_hdr *hdr;
ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %pK\n", __func__,
ep->eid, skb);
+ hdr = (struct ath10k_htc_hdr *)skb->data;
ath10k_htc_restore_tx_skb(ep->htc, skb);
if (!ep->ep_ops.ep_tx_complete) {
@@ -63,6 +65,11 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
return;
}
+ if (hdr->flags & ATH10K_HTC_FLAG_SEND_BUNDLE) {
+ dev_kfree_skb_any(skb);
+ return;
+ }
+
ep->ep_ops.ep_tx_complete(ep->htc->ar, skb);
}
EXPORT_SYMBOL(ath10k_htc_notify_tx_completion);
@@ -78,7 +85,7 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
hdr->eid = ep->eid;
hdr->len = __cpu_to_le16(skb->len - sizeof(*hdr));
hdr->flags = 0;
- if (ep->tx_credit_flow_enabled)
+ if (ep->tx_credit_flow_enabled && !ep->bundle_tx)
hdr->flags |= ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE;
spin_lock_bh(&ep->htc->tx_lock);
@@ -86,6 +93,63 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
spin_unlock_bh(&ep->htc->tx_lock);
}
+static int ath10k_htc_consume_credit(struct ath10k_htc_ep *ep,
+ unsigned int len,
+ bool consume)
+{
+ struct ath10k_htc *htc = ep->htc;
+ struct ath10k *ar = htc->ar;
+ enum ath10k_htc_ep_id eid = ep->eid;
+ int credits, ret = 0;
+
+ if (!ep->tx_credit_flow_enabled)
+ return 0;
+
+ credits = DIV_ROUND_UP(len, ep->tx_credit_size);
+ spin_lock_bh(&htc->tx_lock);
+
+ if (ep->tx_credits < credits) {
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
+ "htc insufficient credits ep %d required %d available %d consume %d\n",
+ eid, credits, ep->tx_credits, consume);
+ ret = -EAGAIN;
+ goto unlock;
+ }
+
+ if (consume) {
+ ep->tx_credits -= credits;
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
+ "htc ep %d consumed %d credits total %d\n",
+ eid, credits, ep->tx_credits);
+ }
+
+unlock:
+ spin_unlock_bh(&htc->tx_lock);
+ return ret;
+}
+
+static void ath10k_htc_release_credit(struct ath10k_htc_ep *ep, unsigned int len)
+{
+ struct ath10k_htc *htc = ep->htc;
+ struct ath10k *ar = htc->ar;
+ enum ath10k_htc_ep_id eid = ep->eid;
+ int credits;
+
+ if (!ep->tx_credit_flow_enabled)
+ return;
+
+ credits = DIV_ROUND_UP(len, ep->tx_credit_size);
+ spin_lock_bh(&htc->tx_lock);
+ ep->tx_credits += credits;
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
+ "htc ep %d reverted %d credits back total %d\n",
+ eid, credits, ep->tx_credits);
+ spin_unlock_bh(&htc->tx_lock);
+
+ if (ep->ep_ops.ep_tx_credits)
+ ep->ep_ops.ep_tx_credits(htc->ar);
+}
+
int ath10k_htc_send(struct ath10k_htc *htc,
enum ath10k_htc_ep_id eid,
struct sk_buff *skb)
@@ -95,8 +159,8 @@ int ath10k_htc_send(struct ath10k_htc *htc,
struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
struct ath10k_hif_sg_item sg_item;
struct device *dev = htc->ar->dev;
- int credits = 0;
int ret;
+ unsigned int skb_len;
if (htc->ar->state == ATH10K_STATE_WEDGED)
return -ECOMM;
@@ -108,23 +172,10 @@ int ath10k_htc_send(struct ath10k_htc *htc,
skb_push(skb, sizeof(struct ath10k_htc_hdr));
- if (ep->tx_credit_flow_enabled) {
- credits = DIV_ROUND_UP(skb->len, htc->target_credit_size);
- spin_lock_bh(&htc->tx_lock);
- if (ep->tx_credits < credits) {
- ath10k_dbg(ar, ATH10K_DBG_HTC,
- "htc insufficient credits ep %d required %d available %d\n",
- eid, credits, ep->tx_credits);
- spin_unlock_bh(&htc->tx_lock);
- ret = -EAGAIN;
- goto err_pull;
- }
- ep->tx_credits -= credits;
- ath10k_dbg(ar, ATH10K_DBG_HTC,
- "htc ep %d consumed %d credits (total %d)\n",
- eid, credits, ep->tx_credits);
- spin_unlock_bh(&htc->tx_lock);
- }
+ skb_len = skb->len;
+ ret = ath10k_htc_consume_credit(ep, skb_len, true);
+ if (ret)
+ goto err_pull;
ath10k_htc_prepare_tx_skb(ep, skb);
@@ -155,17 +206,7 @@ err_unmap:
if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
dma_unmap_single(dev, skb_cb->paddr, skb->len, DMA_TO_DEVICE);
err_credits:
- if (ep->tx_credit_flow_enabled) {
- spin_lock_bh(&htc->tx_lock);
- ep->tx_credits += credits;
- ath10k_dbg(ar, ATH10K_DBG_HTC,
- "htc ep %d reverted %d credits back (total %d)\n",
- eid, credits, ep->tx_credits);
- spin_unlock_bh(&htc->tx_lock);
-
- if (ep->ep_ops.ep_tx_credits)
- ep->ep_ops.ep_tx_credits(htc->ar);
- }
+ ath10k_htc_release_credit(ep, skb_len);
err_pull:
skb_pull(skb, sizeof(struct ath10k_htc_hdr));
return ret;
@@ -581,6 +622,278 @@ static u8 ath10k_htc_get_credit_allocation(struct ath10k_htc *htc,
return allocation;
}
+static int ath10k_htc_send_bundle(struct ath10k_htc_ep *ep,
+ struct sk_buff *bundle_skb,
+ struct sk_buff_head *tx_save_head)
+{
+ struct ath10k_hif_sg_item sg_item;
+ struct ath10k_htc *htc = ep->htc;
+ struct ath10k *ar = htc->ar;
+ struct sk_buff *skb;
+ int ret, cn = 0;
+ unsigned int skb_len;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle skb len %d\n", bundle_skb->len);
+ skb_len = bundle_skb->len;
+ ret = ath10k_htc_consume_credit(ep, skb_len, true);
+
+ if (!ret) {
+ sg_item.transfer_id = ep->eid;
+ sg_item.transfer_context = bundle_skb;
+ sg_item.vaddr = bundle_skb->data;
+ sg_item.len = bundle_skb->len;
+
+ ret = ath10k_hif_tx_sg(htc->ar, ep->ul_pipe_id, &sg_item, 1);
+ if (ret)
+ ath10k_htc_release_credit(ep, skb_len);
+ }
+
+ if (ret)
+ dev_kfree_skb_any(bundle_skb);
+
+ for (cn = 0; (skb = skb_dequeue_tail(tx_save_head)); cn++) {
+ if (ret) {
+ skb_pull(skb, sizeof(struct ath10k_htc_hdr));
+ skb_queue_head(&ep->tx_req_head, skb);
+ } else {
+ skb_queue_tail(&ep->tx_complete_head, skb);
+ }
+ }
+
+ if (!ret)
+ queue_work(ar->workqueue_tx_complete, &ar->tx_complete_work);
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC,
+ "bundle tx status %d eid %d req count %d count %d len %d\n",
+ ret, ep->eid, skb_queue_len(&ep->tx_req_head), cn, bundle_skb->len);
+ return ret;
+}
+
+static void ath10k_htc_send_one_skb(struct ath10k_htc_ep *ep, struct sk_buff *skb)
+{
+ struct ath10k_htc *htc = ep->htc;
+ struct ath10k *ar = htc->ar;
+ int ret;
+
+ ret = ath10k_htc_send(htc, ep->eid, skb);
+
+ if (ret)
+ skb_queue_head(&ep->tx_req_head, skb);
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "tx one status %d eid %d len %d pending count %d\n",
+ ret, ep->eid, skb->len, skb_queue_len(&ep->tx_req_head));
+}
+
+static int ath10k_htc_send_bundle_skbs(struct ath10k_htc_ep *ep)
+{
+ struct ath10k_htc *htc = ep->htc;
+ struct sk_buff *bundle_skb, *skb;
+ struct sk_buff_head tx_save_head;
+ struct ath10k_htc_hdr *hdr;
+ u8 *bundle_buf;
+ int ret = 0, credit_pad, credit_remainder, trans_len, bundles_left = 0;
+
+ if (htc->ar->state == ATH10K_STATE_WEDGED)
+ return -ECOMM;
+
+ if (ep->tx_credit_flow_enabled &&
+ ep->tx_credits < ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE)
+ return 0;
+
+ bundles_left = ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE * ep->tx_credit_size;
+ bundle_skb = dev_alloc_skb(bundles_left);
+
+ if (!bundle_skb)
+ return -ENOMEM;
+
+ bundle_buf = bundle_skb->data;
+ skb_queue_head_init(&tx_save_head);
+
+ while (true) {
+ skb = skb_dequeue(&ep->tx_req_head);
+ if (!skb)
+ break;
+
+ credit_pad = 0;
+ trans_len = skb->len + sizeof(*hdr);
+ credit_remainder = trans_len % ep->tx_credit_size;
+
+ if (credit_remainder != 0) {
+ credit_pad = ep->tx_credit_size - credit_remainder;
+ trans_len += credit_pad;
+ }
+
+ ret = ath10k_htc_consume_credit(ep,
+ bundle_buf + trans_len - bundle_skb->data,
+ false);
+ if (ret) {
+ skb_queue_head(&ep->tx_req_head, skb);
+ break;
+ }
+
+ if (bundles_left < trans_len) {
+ bundle_skb->len = bundle_buf - bundle_skb->data;
+ ret = ath10k_htc_send_bundle(ep, bundle_skb, &tx_save_head);
+
+ if (ret) {
+ skb_queue_head(&ep->tx_req_head, skb);
+ return ret;
+ }
+
+ if (skb_queue_len(&ep->tx_req_head) == 0) {
+ ath10k_htc_send_one_skb(ep, skb);
+ return ret;
+ }
+
+ if (ep->tx_credit_flow_enabled &&
+ ep->tx_credits < ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE) {
+ skb_queue_head(&ep->tx_req_head, skb);
+ return 0;
+ }
+
+ bundles_left =
+ ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE * ep->tx_credit_size;
+ bundle_skb = dev_alloc_skb(bundles_left);
+
+ if (!bundle_skb) {
+ skb_queue_head(&ep->tx_req_head, skb);
+ return -ENOMEM;
+ }
+ bundle_buf = bundle_skb->data;
+ skb_queue_head_init(&tx_save_head);
+ }
+
+ skb_push(skb, sizeof(struct ath10k_htc_hdr));
+ ath10k_htc_prepare_tx_skb(ep, skb);
+
+ memcpy(bundle_buf, skb->data, skb->len);
+ hdr = (struct ath10k_htc_hdr *)bundle_buf;
+ hdr->flags |= ATH10K_HTC_FLAG_SEND_BUNDLE;
+ hdr->pad_len = __cpu_to_le16(credit_pad);
+ bundle_buf += trans_len;
+ bundles_left -= trans_len;
+ skb_queue_tail(&tx_save_head, skb);
+ }
+
+ if (bundle_buf != bundle_skb->data) {
+ bundle_skb->len = bundle_buf - bundle_skb->data;
+ ret = ath10k_htc_send_bundle(ep, bundle_skb, &tx_save_head);
+ } else {
+ dev_kfree_skb_any(bundle_skb);
+ }
+
+ return ret;
+}
+
+static void ath10k_htc_bundle_tx_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, bundle_tx_work);
+ struct ath10k_htc_ep *ep;
+ struct sk_buff *skb;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+ ep = &ar->htc.endpoint[i];
+
+ if (!ep->bundle_tx)
+ continue;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle tx work eid %d count %d\n",
+ ep->eid, skb_queue_len(&ep->tx_req_head));
+
+ if (skb_queue_len(&ep->tx_req_head) >=
+ ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE) {
+ ath10k_htc_send_bundle_skbs(ep);
+ } else {
+ skb = skb_dequeue(&ep->tx_req_head);
+
+ if (!skb)
+ continue;
+ ath10k_htc_send_one_skb(ep, skb);
+ }
+ }
+}
+
+static void ath10k_htc_tx_complete_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, tx_complete_work);
+ struct ath10k_htc_ep *ep;
+ enum ath10k_htc_ep_id eid;
+ struct sk_buff *skb;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+ ep = &ar->htc.endpoint[i];
+ eid = ep->eid;
+ if (ep->bundle_tx && eid == ar->htt.eid) {
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle tx complete eid %d pending complete count%d\n",
+ ep->eid, skb_queue_len(&ep->tx_complete_head));
+
+ while (true) {
+ skb = skb_dequeue(&ep->tx_complete_head);
+ if (!skb)
+ break;
+ ath10k_htc_notify_tx_completion(ep, skb);
+ }
+ }
+ }
+}
+
+int ath10k_htc_send_hl(struct ath10k_htc *htc,
+ enum ath10k_htc_ep_id eid,
+ struct sk_buff *skb)
+{
+ struct ath10k_htc_ep *ep = &htc->endpoint[eid];
+ struct ath10k *ar = htc->ar;
+
+ if (sizeof(struct ath10k_htc_hdr) + skb->len > ep->tx_credit_size) {
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "tx exceed max len %d\n", skb->len);
+ return -ENOMEM;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "htc send hl eid %d bundle %d tx count %d len %d\n",
+ eid, ep->bundle_tx, skb_queue_len(&ep->tx_req_head), skb->len);
+
+ if (ep->bundle_tx) {
+ skb_queue_tail(&ep->tx_req_head, skb);
+ queue_work(ar->workqueue, &ar->bundle_tx_work);
+ return 0;
+ } else {
+ return ath10k_htc_send(htc, eid, skb);
+ }
+}
+
+void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep)
+{
+ if (ep->htc->max_msgs_per_htc_bundle >= ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE &&
+ !ep->bundle_tx) {
+ ep->bundle_tx = true;
+ skb_queue_head_init(&ep->tx_req_head);
+ skb_queue_head_init(&ep->tx_complete_head);
+ }
+}
+
+void ath10k_htc_stop_hl(struct ath10k *ar)
+{
+ struct ath10k_htc_ep *ep;
+ int i;
+
+ cancel_work_sync(&ar->bundle_tx_work);
+ cancel_work_sync(&ar->tx_complete_work);
+
+ for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+ ep = &ar->htc.endpoint[i];
+
+ if (!ep->bundle_tx)
+ continue;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTC, "stop tx work eid %d count %d\n",
+ ep->eid, skb_queue_len(&ep->tx_req_head));
+
+ skb_queue_purge(&ep->tx_req_head);
+ }
+}
+
int ath10k_htc_wait_target(struct ath10k_htc *htc)
{
struct ath10k *ar = htc->ar;
@@ -649,17 +962,34 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
*/
if (htc->control_resp_len >=
sizeof(msg->hdr) + sizeof(msg->ready_ext)) {
+ htc->alt_data_credit_size =
+ __le16_to_cpu(msg->ready_ext.reserved) &
+ ATH10K_HTC_MSG_READY_EXT_ALT_DATA_MASK;
htc->max_msgs_per_htc_bundle =
min_t(u8, msg->ready_ext.max_msgs_per_htc_bundle,
HTC_HOST_MAX_MSG_PER_RX_BUNDLE);
ath10k_dbg(ar, ATH10K_DBG_HTC,
- "Extended ready message. RX bundle size: %d\n",
- htc->max_msgs_per_htc_bundle);
+ "Extended ready message RX bundle size %d alt size %d\n",
+ htc->max_msgs_per_htc_bundle,
+ htc->alt_data_credit_size);
}
+ INIT_WORK(&ar->bundle_tx_work, ath10k_htc_bundle_tx_work);
+ INIT_WORK(&ar->tx_complete_work, ath10k_htc_tx_complete_work);
+
return 0;
}
+void ath10k_htc_change_tx_credit_flow(struct ath10k_htc *htc,
+ enum ath10k_htc_ep_id eid,
+ bool enable)
+{
+ struct ath10k *ar = htc->ar;
+ struct ath10k_htc_ep *ep = &ar->htc.endpoint[eid];
+
+ ep->tx_credit_flow_enabled = enable;
+}
+
int ath10k_htc_connect_service(struct ath10k_htc *htc,
struct ath10k_htc_svc_conn_req *conn_req,
struct ath10k_htc_svc_conn_resp *conn_resp)
@@ -791,6 +1121,11 @@ setup:
ep->max_tx_queue_depth = conn_req->max_send_queue_depth;
ep->max_ep_message_len = __le16_to_cpu(resp_msg->max_msg_size);
ep->tx_credits = tx_alloc;
+ ep->tx_credit_size = htc->target_credit_size;
+
+ if (conn_req->service_id == ATH10K_HTC_SVC_ID_HTT_DATA_MSG &&
+ htc->alt_data_credit_size != 0)
+ ep->tx_credit_size = htc->alt_data_credit_size;
/* copy all the callbacks */
ep->ep_ops = conn_req->ep_ops;
diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h
index 065c82d9d689..0d180faf3b77 100644
--- a/drivers/net/wireless/ath/ath10k/htc.h
+++ b/drivers/net/wireless/ath/ath10k/htc.h
@@ -83,8 +83,14 @@ struct ath10k_htc_hdr {
u8 seq_no; /* for tx */
u8 control_byte1;
} __packed;
- u8 pad0;
- u8 pad1;
+ union {
+ __le16 pad_len;
+ struct {
+ u8 pad0;
+ u8 pad1;
+ } __packed;
+ } __packed;
+
} __packed __aligned(4);
enum ath10k_ath10k_htc_msg_id {
@@ -113,6 +119,8 @@ enum ath10k_htc_conn_flags {
#define ATH10K_HTC_CONN_FLAGS_RECV_ALLOC_LSB 8
};
+#define ATH10K_HTC_MSG_READY_EXT_ALT_DATA_MASK 0xFFF
+
enum ath10k_htc_conn_svc_status {
ATH10K_HTC_CONN_SVC_STATUS_SUCCESS = 0,
ATH10K_HTC_CONN_SVC_STATUS_NOT_FOUND = 1,
@@ -121,6 +129,10 @@ enum ath10k_htc_conn_svc_status {
ATH10K_HTC_CONN_SVC_STATUS_NO_MORE_EP = 4
};
+#define ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE 32
+#define ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE 2
+#define ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE 2
+
enum ath10k_htc_setup_complete_flags {
ATH10K_HTC_SETUP_COMPLETE_FLAGS_RX_BNDL_EN = 1
};
@@ -145,8 +157,14 @@ struct ath10k_htc_ready_extended {
struct ath10k_htc_ready base;
u8 htc_version; /* @enum ath10k_htc_version */
u8 max_msgs_per_htc_bundle;
- u8 pad0;
- u8 pad1;
+ union {
+ __le16 reserved;
+ struct {
+ u8 pad0;
+ u8 pad1;
+ } __packed;
+ } __packed;
+
} __packed;
struct ath10k_htc_conn_svc {
@@ -353,7 +371,12 @@ struct ath10k_htc_ep {
u8 seq_no; /* for debugging */
int tx_credits;
+ int tx_credit_size;
bool tx_credit_flow_enabled;
+ bool bundle_tx;
+ struct sk_buff_head tx_req_head;
+ struct sk_buff_head tx_complete_head;
+
};
struct ath10k_htc_svc_tx_credits {
@@ -378,16 +401,25 @@ struct ath10k_htc {
int total_transmit_credits;
int target_credit_size;
u8 max_msgs_per_htc_bundle;
+ int alt_data_credit_size;
};
int ath10k_htc_init(struct ath10k *ar);
int ath10k_htc_wait_target(struct ath10k_htc *htc);
+void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep);
int ath10k_htc_start(struct ath10k_htc *htc);
int ath10k_htc_connect_service(struct ath10k_htc *htc,
struct ath10k_htc_svc_conn_req *conn_req,
struct ath10k_htc_svc_conn_resp *conn_resp);
+void ath10k_htc_change_tx_credit_flow(struct ath10k_htc *htc,
+ enum ath10k_htc_ep_id eid,
+ bool enable);
int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
struct sk_buff *packet);
+void ath10k_htc_stop_hl(struct ath10k *ar);
+
+int ath10k_htc_send_hl(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
+ struct sk_buff *packet);
struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size);
void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c
index 7b75200ceae5..127b4e4980ef 100644
--- a/drivers/net/wireless/ath/ath10k/htt.c
+++ b/drivers/net/wireless/ath/ath10k/htt.c
@@ -10,6 +10,7 @@
#include "htt.h"
#include "core.h"
#include "debug.h"
+#include "hif.h"
static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = {
[HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
@@ -134,6 +135,8 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
{
struct ath10k_htc_svc_conn_req conn_req;
struct ath10k_htc_svc_conn_resp conn_resp;
+ struct ath10k *ar = htt->ar;
+ struct ath10k_htc_ep *ep;
int status;
memset(&conn_req, 0, sizeof(conn_req));
@@ -141,6 +144,7 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete;
conn_req.ep_ops.ep_rx_complete = ath10k_htt_htc_t2h_msg_handler;
+ conn_req.ep_ops.ep_tx_credits = ath10k_htt_op_ep_tx_credits;
/* connect to control service */
conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG;
@@ -153,6 +157,15 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
htt->eid = conn_resp.eid;
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) {
+ ep = &ar->htc.endpoint[htt->eid];
+ ath10k_htc_setup_tx_req(ep);
+ }
+
+ htt->disable_tx_comp = ath10k_hif_get_htt_tx_complete(htt->ar);
+ if (htt->disable_tx_comp)
+ ath10k_htc_change_tx_credit_flow(&htt->ar->htc, htt->eid, true);
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h
index 4a12564fc30e..cad59494f175 100644
--- a/drivers/net/wireless/ath/ath10k/htt.h
+++ b/drivers/net/wireless/ath/ath10k/htt.h
@@ -150,9 +150,19 @@ enum htt_data_tx_desc_flags1 {
HTT_DATA_TX_DESC_FLAGS1_MORE_IN_BATCH = 1 << 12,
HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD = 1 << 13,
HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD = 1 << 14,
- HTT_DATA_TX_DESC_FLAGS1_RSVD1 = 1 << 15
+ HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE = 1 << 15
};
+#define HTT_TX_CREDIT_DELTA_ABS_M 0xffff0000
+#define HTT_TX_CREDIT_DELTA_ABS_S 16
+#define HTT_TX_CREDIT_DELTA_ABS_GET(word) \
+ (((word) & HTT_TX_CREDIT_DELTA_ABS_M) >> HTT_TX_CREDIT_DELTA_ABS_S)
+
+#define HTT_TX_CREDIT_SIGN_BIT_M 0x00000100
+#define HTT_TX_CREDIT_SIGN_BIT_S 8
+#define HTT_TX_CREDIT_SIGN_BIT_GET(word) \
+ (((word) & HTT_TX_CREDIT_SIGN_BIT_M) >> HTT_TX_CREDIT_SIGN_BIT_S)
+
enum htt_data_tx_ext_tid {
HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST = 16,
HTT_DATA_TX_EXT_TID_MGMT = 17,
@@ -279,12 +289,12 @@ struct htt_rx_ring_setup_hdr {
struct htt_rx_ring_setup_32 {
struct htt_rx_ring_setup_hdr hdr;
- struct htt_rx_ring_setup_ring32 rings[0];
+ struct htt_rx_ring_setup_ring32 rings[];
} __packed;
struct htt_rx_ring_setup_64 {
struct htt_rx_ring_setup_hdr hdr;
- struct htt_rx_ring_setup_ring64 rings[0];
+ struct htt_rx_ring_setup_ring64 rings[];
} __packed;
/*
@@ -722,7 +732,7 @@ struct htt_rx_indication {
* %mpdu_ranges starts after &%prefix + roundup(%fw_rx_desc_bytes, 4)
* and has %num_mpdu_ranges elements.
*/
- struct htt_rx_indication_mpdu_range mpdu_ranges[0];
+ struct htt_rx_indication_mpdu_range mpdu_ranges[];
} __packed;
/* High latency version of the RX indication */
@@ -731,7 +741,7 @@ struct htt_rx_indication_hl {
struct htt_rx_indication_ppdu ppdu;
struct htt_rx_indication_prefix prefix;
struct fw_rx_desc_hl fw_desc;
- struct htt_rx_indication_mpdu_range mpdu_ranges[0];
+ struct htt_rx_indication_mpdu_range mpdu_ranges[];
} __packed;
struct htt_hl_rx_desc {
@@ -898,7 +908,7 @@ struct htt_append_retries {
struct htt_data_tx_completion_ext {
struct htt_append_retries a_retries;
__le32 t_stamp;
- __le16 msdus_rssi[0];
+ __le16 msdus_rssi[];
} __packed;
/**
@@ -982,7 +992,7 @@ struct htt_data_tx_completion {
} __packed;
u8 num_msdus;
u8 flags2; /* HTT_TX_CMPL_FLAG_DATA_RSSI */
- __le16 msdus[0]; /* variable length based on %num_msdus */
+ __le16 msdus[]; /* variable length based on %num_msdus */
} __packed;
#define HTT_TX_PPDU_DUR_INFO0_PEER_ID_MASK GENMASK(15, 0)
@@ -997,7 +1007,7 @@ struct htt_data_tx_ppdu_dur {
struct htt_data_tx_compl_ppdu_dur {
__le32 info0; /* HTT_TX_COMPL_PPDU_DUR_INFO0_ */
- struct htt_data_tx_ppdu_dur ppdu_dur[0];
+ struct htt_data_tx_ppdu_dur ppdu_dur[];
} __packed;
struct htt_tx_compl_ind_base {
@@ -1023,7 +1033,7 @@ struct htt_rc_update {
u8 addr[6];
u8 num_elems;
u8 rsvd0;
- struct htt_rc_tx_done_params params[0]; /* variable length %num_elems */
+ struct htt_rc_tx_done_params params[]; /* variable length %num_elems */
} __packed;
/* see htt_rx_indication for similar fields and descriptions */
@@ -1040,7 +1050,7 @@ struct htt_rx_fragment_indication {
__le16 fw_rx_desc_bytes;
__le16 rsvd0;
- u8 fw_msdu_rx_desc[0];
+ u8 fw_msdu_rx_desc[];
} __packed;
#define ATH10K_IEEE80211_EXTIV BIT(5)
@@ -1065,7 +1075,7 @@ struct htt_rx_pn_ind {
u8 seqno_end;
u8 pn_ie_count;
u8 reserved;
- u8 pn_ies[0];
+ u8 pn_ies[];
} __packed;
struct htt_rx_offload_msdu {
@@ -1074,7 +1084,7 @@ struct htt_rx_offload_msdu {
u8 vdev_id;
u8 tid;
u8 fw_desc;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct htt_rx_offload_ind {
@@ -1157,7 +1167,7 @@ struct htt_rx_test {
* a) num_ints * sizeof(__le32)
* b) num_chars * sizeof(u8) aligned to 4bytes
*/
- u8 payload[0];
+ u8 payload[];
} __packed;
static inline __le32 *htt_rx_test_get_ints(struct htt_rx_test *rx_test)
@@ -1191,7 +1201,7 @@ static inline u8 *htt_rx_test_get_chars(struct htt_rx_test *rx_test)
*/
struct htt_pktlog_msg {
u8 pad[3];
- u8 payload[0];
+ u8 payload[];
} __packed;
struct htt_dbg_stats_rx_reorder_stats {
@@ -1480,7 +1490,7 @@ struct htt_stats_conf_item {
} __packed;
u8 pad;
__le16 length;
- u8 payload[0]; /* roundup(length, 4) long */
+ u8 payload[]; /* roundup(length, 4) long */
} __packed;
struct htt_stats_conf {
@@ -1489,7 +1499,7 @@ struct htt_stats_conf {
__le32 cookie_msb;
/* each item has variable length! */
- struct htt_stats_conf_item items[0];
+ struct htt_stats_conf_item items[];
} __packed;
static inline struct htt_stats_conf_item *htt_stats_conf_next_item(
@@ -1663,8 +1673,8 @@ struct htt_tx_fetch_ind {
__le32 token;
__le16 num_resp_ids;
__le16 num_records;
- struct htt_tx_fetch_record records[0];
__le32 resp_ids[0]; /* ath10k_htt_get_tx_fetch_ind_resp_ids() */
+ struct htt_tx_fetch_record records[];
} __packed;
static inline void *
@@ -1679,13 +1689,13 @@ struct htt_tx_fetch_resp {
__le16 fetch_seq_num;
__le16 num_records;
__le32 token;
- struct htt_tx_fetch_record records[0];
+ struct htt_tx_fetch_record records[];
} __packed;
struct htt_tx_fetch_confirm {
u8 pad0;
__le16 num_resp_ids;
- __le32 resp_ids[0];
+ __le32 resp_ids[];
} __packed;
enum htt_tx_mode_switch_mode {
@@ -1717,7 +1727,7 @@ struct htt_tx_mode_switch_ind {
__le16 info0; /* HTT_TX_MODE_SWITCH_IND_INFO0_ */
__le16 info1; /* HTT_TX_MODE_SWITCH_IND_INFO1_ */
u8 pad1[2];
- struct htt_tx_mode_switch_record records[0];
+ struct htt_tx_mode_switch_record records[];
} __packed;
struct htt_channel_change {
@@ -1747,7 +1757,7 @@ struct htt_peer_tx_stats {
u8 num_ppdu;
u8 ppdu_len;
u8 version;
- u8 payload[0];
+ u8 payload[];
} __packed;
#define ATH10K_10_2_TX_STATS_OFFSET 136
@@ -2021,6 +2031,10 @@ struct ath10k_htt {
bool tx_mem_allocated;
const struct ath10k_htt_tx_ops *tx_ops;
const struct ath10k_htt_rx_ops *rx_ops;
+ bool disable_tx_comp;
+ bool bundle_tx;
+ struct sk_buff_head tx_req_head;
+ struct sk_buff_head tx_complete_head;
};
struct ath10k_htt_tx_ops {
@@ -2035,6 +2049,7 @@ struct ath10k_htt_tx_ops {
int (*htt_h2t_aggr_cfg_msg)(struct ath10k_htt *htt,
u8 max_subfrms_ampdu,
u8 max_subfrms_amsdu);
+ void (*htt_flush_tx)(struct ath10k_htt *htt);
};
static inline int ath10k_htt_send_rx_ring_cfg(struct ath10k_htt *htt)
@@ -2074,6 +2089,12 @@ static inline int ath10k_htt_tx(struct ath10k_htt *htt,
return htt->tx_ops->htt_tx(htt, txmode, msdu);
}
+static inline void ath10k_htt_flush_tx(struct ath10k_htt *htt)
+{
+ if (htt->tx_ops->htt_flush_tx)
+ htt->tx_ops->htt_flush_tx(htt);
+}
+
static inline int ath10k_htt_alloc_txbuff(struct ath10k_htt *htt)
{
if (!htt->tx_ops->htt_alloc_txbuff)
@@ -2185,7 +2206,7 @@ struct htt_rx_desc {
struct rx_ppdu_end ppdu_end;
} __packed;
u8 rx_hdr_status[RX_HTT_HDR_STATUS_LEN];
- u8 msdu_payload[0];
+ u8 msdu_payload[];
};
#define HTT_RX_DESC_HL_INFO_SEQ_NUM_MASK 0x00000fff
@@ -2267,6 +2288,7 @@ int ath10k_htt_tx_fetch_resp(struct ath10k *ar,
__le16 fetch_seq_num,
struct htt_tx_fetch_record *records,
size_t num_records);
+void ath10k_htt_op_ep_tx_credits(struct ath10k *ar);
void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw,
struct ieee80211_txq *txq);
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index f883f2a724dd..d787cbead56a 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -3574,6 +3574,13 @@ ath10k_update_per_peer_tx_stats(struct ath10k *ar,
ieee80211_tx_rate_update(ar->hw, sta, &arsta->tx_info);
}
+ if (ar->htt.disable_tx_comp) {
+ arsta->tx_retries += peer_stats->retry_pkts;
+ arsta->tx_failed += peer_stats->failed_pkts;
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx retries %d tx failed %d\n",
+ arsta->tx_retries, arsta->tx_failed);
+ }
+
if (ath10k_debug_is_extd_tx_stats_enabled(ar))
ath10k_accumulate_per_peer_tx_stats(ar, arsta, peer_stats,
rate_idx);
@@ -3789,6 +3796,9 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
}
case HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION: {
struct htt_tx_done tx_done = {};
+ struct ath10k_htt *htt = &ar->htt;
+ struct ath10k_htc *htc = &ar->htc;
+ struct ath10k_htc_ep *ep = &ar->htc.endpoint[htt->eid];
int status = __le32_to_cpu(resp->mgmt_tx_completion.status);
int info = __le32_to_cpu(resp->mgmt_tx_completion.info);
@@ -3814,6 +3824,12 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
break;
}
+ if (htt->disable_tx_comp) {
+ spin_lock_bh(&htc->tx_lock);
+ ep->tx_credits++;
+ spin_unlock_bh(&htc->tx_lock);
+ }
+
status = ath10k_txrx_tx_unref(htt, &tx_done);
if (!status) {
spin_lock_bh(&htt->tx_lock);
@@ -3888,8 +3904,32 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
skb_queue_tail(&htt->rx_in_ord_compl_q, skb);
return false;
}
- case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND:
+ case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND: {
+ struct ath10k_htt *htt = &ar->htt;
+ struct ath10k_htc *htc = &ar->htc;
+ struct ath10k_htc_ep *ep = &ar->htc.endpoint[htt->eid];
+ u32 msg_word = __le32_to_cpu(*(__le32 *)resp);
+ int htt_credit_delta;
+
+ htt_credit_delta = HTT_TX_CREDIT_DELTA_ABS_GET(msg_word);
+ if (HTT_TX_CREDIT_SIGN_BIT_GET(msg_word))
+ htt_credit_delta = -htt_credit_delta;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTT,
+ "htt credit update delta %d\n",
+ htt_credit_delta);
+
+ if (htt->disable_tx_comp) {
+ spin_lock_bh(&htc->tx_lock);
+ ep->tx_credits += htt_credit_delta;
+ spin_unlock_bh(&htc->tx_lock);
+ ath10k_dbg(ar, ATH10K_DBG_HTT,
+ "htt credit total %d\n",
+ ep->tx_credits);
+ ep->ep_ops.ep_tx_credits(htc->ar);
+ }
break;
+ }
case HTT_T2H_MSG_TYPE_CHAN_CHANGE: {
u32 phymode = __le32_to_cpu(resp->chan_change.phymode);
u32 freq = __le32_to_cpu(resp->chan_change.freq);
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c
index e9d12ea708b6..4fd10ac3a941 100644
--- a/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -529,9 +529,15 @@ void ath10k_htt_tx_destroy(struct ath10k_htt *htt)
htt->tx_mem_allocated = false;
}
-void ath10k_htt_tx_stop(struct ath10k_htt *htt)
+static void ath10k_htt_flush_tx_queue(struct ath10k_htt *htt)
{
+ ath10k_htc_stop_hl(htt->ar);
idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+}
+
+void ath10k_htt_tx_stop(struct ath10k_htt *htt)
+{
+ ath10k_htt_flush_tx_queue(htt);
idr_destroy(&htt->pending_tx);
}
@@ -541,9 +547,46 @@ void ath10k_htt_tx_free(struct ath10k_htt *htt)
ath10k_htt_tx_destroy(htt);
}
+void ath10k_htt_op_ep_tx_credits(struct ath10k *ar)
+{
+ queue_work(ar->workqueue, &ar->bundle_tx_work);
+}
+
void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
{
+ struct ath10k_htt *htt = &ar->htt;
+ struct htt_tx_done tx_done = {0};
+ struct htt_cmd_hdr *htt_hdr;
+ struct htt_data_tx_desc *desc_hdr = NULL;
+ u16 flags1 = 0;
+ u8 msg_type = 0;
+
+ if (htt->disable_tx_comp) {
+ htt_hdr = (struct htt_cmd_hdr *)skb->data;
+ msg_type = htt_hdr->msg_type;
+
+ if (msg_type == HTT_H2T_MSG_TYPE_TX_FRM) {
+ desc_hdr = (struct htt_data_tx_desc *)
+ (skb->data + sizeof(*htt_hdr));
+ flags1 = __le16_to_cpu(desc_hdr->flags1);
+ }
+ }
+
dev_kfree_skb_any(skb);
+
+ if ((!htt->disable_tx_comp) || (msg_type != HTT_H2T_MSG_TYPE_TX_FRM))
+ return;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTT,
+ "htt tx complete msdu id:%u ,flags1:%x\n",
+ __le16_to_cpu(desc_hdr->id), flags1);
+
+ if (flags1 & HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE)
+ return;
+
+ tx_done.status = HTT_TX_COMPL_STATE_ACK;
+ tx_done.msdu_id = __le16_to_cpu(desc_hdr->id);
+ ath10k_txrx_tx_unref(&ar->htt, &tx_done);
}
void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb)
@@ -1279,6 +1322,9 @@ static int ath10k_htt_tx_hl(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txm
flags0 |= SM(ATH10K_HW_TXRX_MGMT,
HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE);
flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
+
+ if (htt->disable_tx_comp)
+ flags1 |= HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE;
break;
}
@@ -1344,7 +1390,7 @@ static int ath10k_htt_tx_hl(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txm
*/
tx_desc->peerid = __cpu_to_le32(HTT_INVALID_PEERID);
- res = ath10k_htc_send(&htt->ar->htc, htt->eid, msdu);
+ res = ath10k_htc_send_hl(&htt->ar->htc, htt->eid, msdu);
out:
return res;
@@ -1784,6 +1830,7 @@ static const struct ath10k_htt_tx_ops htt_tx_ops_hl = {
.htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_32,
.htt_tx = ath10k_htt_tx_hl,
.htt_h2t_aggr_cfg_msg = ath10k_htt_h2t_aggr_cfg_msg_32,
+ .htt_flush_tx = ath10k_htt_flush_tx_queue,
};
void ath10k_htt_set_tx_ops(struct ath10k_htt *htt)
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 970c736ac6bb..f16edcb9f326 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -165,7 +165,7 @@ enum qca9377_chip_id_rev {
struct ath10k_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath10k_fw_ie_type {
@@ -623,6 +623,9 @@ struct ath10k_hw_params {
/* tx stats support over pktlog */
bool tx_stats_over_pktlog;
+
+ /* provides bitrates for sta_statistics using WMI_TLV_PEER_STATS_INFO_EVENTID */
+ bool supports_peer_stats_info;
};
struct htt_rx_desc;
@@ -765,7 +768,7 @@ ath10k_is_rssi_enable(struct ath10k_hw_params *hw,
#define TARGET_TLV_NUM_TDLS_VDEVS 1
#define TARGET_TLV_NUM_TIDS ((TARGET_TLV_NUM_PEERS) * 2)
#define TARGET_TLV_NUM_MSDU_DESC (1024 + 32)
-#define TARGET_TLV_NUM_MSDU_DESC_HL 64
+#define TARGET_TLV_NUM_MSDU_DESC_HL 1024
#define TARGET_TLV_NUM_WOW_PATTERNS 22
#define TARGET_TLV_MGMT_NUM_MSDU_DESC (50)
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 2d03b8dd3b8c..919d15584d4a 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2505,6 +2505,30 @@ ath10k_peer_assoc_h_vht_limit(u16 tx_mcs_set,
return tx_mcs_set;
}
+static u32 get_160mhz_nss_from_maxrate(int rate)
+{
+ u32 nss;
+
+ switch (rate) {
+ case 780:
+ nss = 1;
+ break;
+ case 1560:
+ nss = 2;
+ break;
+ case 2106:
+ nss = 3; /* not support MCS9 from spec*/
+ break;
+ case 3120:
+ nss = 4;
+ break;
+ default:
+ nss = 1;
+ }
+
+ return nss;
+}
+
static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -2512,6 +2536,7 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
{
const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
struct ath10k_vif *arvif = (void *)vif->drv_priv;
+ struct ath10k_hw_params *hw = &ar->hw_params;
struct cfg80211_chan_def def;
enum nl80211_band band;
const u16 *vht_mcs_mask;
@@ -2578,22 +2603,38 @@ static void ath10k_peer_assoc_h_vht(struct ath10k *ar,
arg->peer_vht_rates.tx_mcs_set = ath10k_peer_assoc_h_vht_limit(
__le16_to_cpu(vht_cap->vht_mcs.tx_mcs_map), vht_mcs_mask);
- ath10k_dbg(ar, ATH10K_DBG_MAC, "mac vht peer %pM max_mpdu %d flags 0x%x\n",
- sta->addr, arg->peer_max_mpdu, arg->peer_flags);
+ /* Configure bandwidth-NSS mapping to FW
+ * for the chip's tx chains setting on 160Mhz bw
+ */
+ if (arg->peer_phymode == MODE_11AC_VHT160 ||
+ arg->peer_phymode == MODE_11AC_VHT80_80) {
+ u32 rx_nss;
+ u32 max_rate;
- if (arg->peer_vht_rates.rx_max_rate &&
- (sta->vht_cap.cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK)) {
- switch (arg->peer_vht_rates.rx_max_rate) {
- case 1560:
- /* Must be 2x2 at 160Mhz is all it can do. */
- arg->peer_bw_rxnss_override = 2;
- break;
- case 780:
- /* Can only do 1x1 at 160Mhz (Long Guard Interval) */
- arg->peer_bw_rxnss_override = 1;
- break;
+ max_rate = arg->peer_vht_rates.rx_max_rate;
+ rx_nss = get_160mhz_nss_from_maxrate(max_rate);
+
+ if (rx_nss == 0)
+ rx_nss = arg->peer_num_spatial_streams;
+ else
+ rx_nss = min(arg->peer_num_spatial_streams, rx_nss);
+
+ max_rate = hw->vht160_mcs_tx_highest;
+ rx_nss = min(rx_nss, get_160mhz_nss_from_maxrate(max_rate));
+
+ arg->peer_bw_rxnss_override =
+ FIELD_PREP(WMI_PEER_NSS_MAP_ENABLE, 1) |
+ FIELD_PREP(WMI_PEER_NSS_160MHZ_MASK, (rx_nss - 1));
+
+ if (arg->peer_phymode == MODE_11AC_VHT80_80) {
+ arg->peer_bw_rxnss_override |=
+ FIELD_PREP(WMI_PEER_NSS_80_80MHZ_MASK, (rx_nss - 1));
}
}
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac vht peer %pM max_mpdu %d flags 0x%x peer_rx_nss_override 0x%x\n",
+ sta->addr, arg->peer_max_mpdu,
+ arg->peer_flags, arg->peer_bw_rxnss_override);
}
static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
@@ -2745,9 +2786,9 @@ static int ath10k_peer_assoc_prepare(struct ath10k *ar,
ath10k_peer_assoc_h_crypto(ar, vif, sta, arg);
ath10k_peer_assoc_h_rates(ar, vif, sta, arg);
ath10k_peer_assoc_h_ht(ar, vif, sta, arg);
+ ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
ath10k_peer_assoc_h_vht(ar, vif, sta, arg);
ath10k_peer_assoc_h_qos(ar, vif, sta, arg);
- ath10k_peer_assoc_h_phymode(ar, vif, sta, arg);
return 0;
}
@@ -2918,6 +2959,11 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw,
arvif->aid = bss_conf->aid;
ether_addr_copy(arvif->bssid, bss_conf->bssid);
+ ret = ath10k_wmi_pdev_set_param(ar,
+ ar->wmi.pdev_param->peer_stats_info_enable, 1);
+ if (ret)
+ ath10k_warn(ar, "failed to enable peer stats info: %d\n", ret);
+
ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
if (ret) {
ath10k_warn(ar, "failed to set vdev %d up: %d\n",
@@ -3921,6 +3967,9 @@ void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
if (ret) {
ath10k_warn(ar, "failed to transmit management frame by ref via WMI: %d\n",
ret);
+ /* remove this msdu from idr tracking */
+ ath10k_wmi_cleanup_mgmt_tx_send(ar, skb);
+
dma_unmap_single(ar->dev, paddr, skb->len,
DMA_TO_DEVICE);
ieee80211_free_txskb(ar->hw, skb);
@@ -4488,17 +4537,18 @@ static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
return 0;
}
-static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
+static bool ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
{
/* It is not clear that allowing gaps in chainmask
* is helpful. Probably it will not do what user
* is hoping for, so warn in that case.
*/
if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
- return;
+ return true;
- ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
+ ath10k_warn(ar, "mac %s antenna chainmask is invalid: 0x%x. Suggested values: 15, 7, 3, 1 or 0.\n",
dbg, cm);
+ return false;
}
static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
@@ -4563,13 +4613,6 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
vht_cap.cap |= val;
}
- /* Currently the firmware seems to be buggy, don't enable 80+80
- * mode until that's resolved.
- */
- if ((ar->vht_cap_info & IEEE80211_VHT_CAP_SHORT_GI_160) &&
- (ar->vht_cap_info & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK) == 0)
- vht_cap.cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
-
mcs_map = 0;
for (i = 0; i < 8; i++) {
if ((i < ar->num_rf_chains) && (ar->cfg_tx_chainmask & BIT(i)))
@@ -4688,11 +4731,15 @@ static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
{
int ret;
+ bool is_valid_tx_chain_mask, is_valid_rx_chain_mask;
lockdep_assert_held(&ar->conf_mutex);
- ath10k_check_chain_mask(ar, tx_ant, "tx");
- ath10k_check_chain_mask(ar, rx_ant, "rx");
+ is_valid_tx_chain_mask = ath10k_check_chain_mask(ar, tx_ant, "tx");
+ is_valid_rx_chain_mask = ath10k_check_chain_mask(ar, rx_ant, "rx");
+
+ if (!is_valid_tx_chain_mask || !is_valid_rx_chain_mask)
+ return -EINVAL;
ar->cfg_tx_chainmask = tx_ant;
ar->cfg_rx_chainmask = rx_ant;
@@ -7190,6 +7237,7 @@ static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
ath10k_wmi_peer_flush(ar, arvif->vdev_id,
arvif->bssid, bitmap);
}
+ ath10k_htt_flush_tx(&ar->htt);
}
return;
}
@@ -8260,6 +8308,215 @@ static void ath10k_mac_op_sta_pre_rcu_remove(struct ieee80211_hw *hw,
peer->removed = true;
}
+/* HT MCS parameters with Nss = 1 */
+static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss1[] = {
+ /* MCS L20 L40 S20 S40 */
+ {0, { 65, 135, 72, 150} },
+ {1, { 130, 270, 144, 300} },
+ {2, { 195, 405, 217, 450} },
+ {3, { 260, 540, 289, 600} },
+ {4, { 390, 810, 433, 900} },
+ {5, { 520, 1080, 578, 1200} },
+ {6, { 585, 1215, 650, 1350} },
+ {7, { 650, 1350, 722, 1500} }
+};
+
+/* HT MCS parameters with Nss = 2 */
+static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss2[] = {
+ /* MCS L20 L40 S20 S40 */
+ {0, {130, 270, 144, 300} },
+ {1, {260, 540, 289, 600} },
+ {2, {390, 810, 433, 900} },
+ {3, {520, 1080, 578, 1200} },
+ {4, {780, 1620, 867, 1800} },
+ {5, {1040, 2160, 1156, 2400} },
+ {6, {1170, 2430, 1300, 2700} },
+ {7, {1300, 2700, 1444, 3000} }
+};
+
+/* MCS parameters with Nss = 1 */
+static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss1[] = {
+ /* MCS L80 S80 L40 S40 L20 S20 */
+ {0, {293, 325}, {135, 150}, {65, 72} },
+ {1, {585, 650}, {270, 300}, {130, 144} },
+ {2, {878, 975}, {405, 450}, {195, 217} },
+ {3, {1170, 1300}, {540, 600}, {260, 289} },
+ {4, {1755, 1950}, {810, 900}, {390, 433} },
+ {5, {2340, 2600}, {1080, 1200}, {520, 578} },
+ {6, {2633, 2925}, {1215, 1350}, {585, 650} },
+ {7, {2925, 3250}, {1350, 1500}, {650, 722} },
+ {8, {3510, 3900}, {1620, 1800}, {780, 867} },
+ {9, {3900, 4333}, {1800, 2000}, {780, 867} }
+};
+
+/*MCS parameters with Nss = 2 */
+static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss2[] = {
+ /* MCS L80 S80 L40 S40 L20 S20 */
+ {0, {585, 650}, {270, 300}, {130, 144} },
+ {1, {1170, 1300}, {540, 600}, {260, 289} },
+ {2, {1755, 1950}, {810, 900}, {390, 433} },
+ {3, {2340, 2600}, {1080, 1200}, {520, 578} },
+ {4, {3510, 3900}, {1620, 1800}, {780, 867} },
+ {5, {4680, 5200}, {2160, 2400}, {1040, 1156} },
+ {6, {5265, 5850}, {2430, 2700}, {1170, 1300} },
+ {7, {5850, 6500}, {2700, 3000}, {1300, 1444} },
+ {8, {7020, 7800}, {3240, 3600}, {1560, 1733} },
+ {9, {7800, 8667}, {3600, 4000}, {1560, 1733} }
+};
+
+static void ath10k_mac_get_rate_flags_ht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs,
+ u8 *flags, u8 *bw)
+{
+ struct ath10k_index_ht_data_rate_type *mcs_rate;
+
+ mcs_rate = (struct ath10k_index_ht_data_rate_type *)
+ ((nss == 1) ? &supported_ht_mcs_rate_nss1 :
+ &supported_ht_mcs_rate_nss2);
+
+ if (rate == mcs_rate[mcs].supported_rate[0]) {
+ *bw = RATE_INFO_BW_20;
+ } else if (rate == mcs_rate[mcs].supported_rate[1]) {
+ *bw |= RATE_INFO_BW_40;
+ } else if (rate == mcs_rate[mcs].supported_rate[2]) {
+ *bw |= RATE_INFO_BW_20;
+ *flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (rate == mcs_rate[mcs].supported_rate[3]) {
+ *bw |= RATE_INFO_BW_40;
+ *flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else {
+ ath10k_warn(ar, "invalid ht params rate %d 100kbps nss %d mcs %d",
+ rate, nss, mcs);
+ }
+}
+
+static void ath10k_mac_get_rate_flags_vht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs,
+ u8 *flags, u8 *bw)
+{
+ struct ath10k_index_vht_data_rate_type *mcs_rate;
+
+ mcs_rate = (struct ath10k_index_vht_data_rate_type *)
+ ((nss == 1) ? &supported_vht_mcs_rate_nss1 :
+ &supported_vht_mcs_rate_nss2);
+
+ if (rate == mcs_rate[mcs].supported_VHT80_rate[0]) {
+ *bw = RATE_INFO_BW_80;
+ } else if (rate == mcs_rate[mcs].supported_VHT80_rate[1]) {
+ *bw = RATE_INFO_BW_80;
+ *flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (rate == mcs_rate[mcs].supported_VHT40_rate[0]) {
+ *bw = RATE_INFO_BW_40;
+ } else if (rate == mcs_rate[mcs].supported_VHT40_rate[1]) {
+ *bw = RATE_INFO_BW_40;
+ *flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (rate == mcs_rate[mcs].supported_VHT20_rate[0]) {
+ *bw = RATE_INFO_BW_20;
+ } else if (rate == mcs_rate[mcs].supported_VHT20_rate[1]) {
+ *bw = RATE_INFO_BW_20;
+ *flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else {
+ ath10k_warn(ar, "invalid vht params rate %d 100kbps nss %d mcs %d",
+ rate, nss, mcs);
+ }
+}
+
+static void ath10k_mac_get_rate_flags(struct ath10k *ar, u32 rate,
+ enum ath10k_phy_mode mode, u8 nss, u8 mcs,
+ u8 *flags, u8 *bw)
+{
+ if (mode == ATH10K_PHY_MODE_HT) {
+ *flags = RATE_INFO_FLAGS_MCS;
+ ath10k_mac_get_rate_flags_ht(ar, rate, nss, mcs, flags, bw);
+ } else if (mode == ATH10K_PHY_MODE_VHT) {
+ *flags = RATE_INFO_FLAGS_VHT_MCS;
+ ath10k_mac_get_rate_flags_vht(ar, rate, nss, mcs, flags, bw);
+ }
+}
+
+static void ath10k_mac_parse_bitrate(struct ath10k *ar, u32 rate_code,
+ u32 bitrate_kbps, struct rate_info *rate)
+{
+ enum ath10k_phy_mode mode = ATH10K_PHY_MODE_LEGACY;
+ enum wmi_rate_preamble preamble = WMI_TLV_GET_HW_RC_PREAM_V1(rate_code);
+ u8 nss = WMI_TLV_GET_HW_RC_NSS_V1(rate_code) + 1;
+ u8 mcs = WMI_TLV_GET_HW_RC_RATE_V1(rate_code);
+ u8 flags = 0, bw = 0;
+
+ if (preamble == WMI_RATE_PREAMBLE_HT)
+ mode = ATH10K_PHY_MODE_HT;
+ else if (preamble == WMI_RATE_PREAMBLE_VHT)
+ mode = ATH10K_PHY_MODE_VHT;
+
+ ath10k_mac_get_rate_flags(ar, bitrate_kbps / 100, mode, nss, mcs, &flags, &bw);
+
+ ath10k_dbg(ar, ATH10K_DBG_MAC,
+ "mac parse bitrate preamble %d mode %d nss %d mcs %d flags %x bw %d\n",
+ preamble, mode, nss, mcs, flags, bw);
+
+ rate->flags = flags;
+ rate->bw = bw;
+ rate->legacy = bitrate_kbps / 100;
+ rate->nss = nss;
+ rate->mcs = mcs;
+}
+
+static void ath10k_mac_sta_get_peer_stats_info(struct ath10k *ar,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+ struct ath10k_peer *peer;
+ unsigned long time_left;
+ int ret;
+
+ if (!(ar->hw_params.supports_peer_stats_info &&
+ arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA))
+ return;
+
+ spin_lock_bh(&ar->data_lock);
+ peer = ath10k_peer_find(ar, arsta->arvif->vdev_id, sta->addr);
+ spin_unlock_bh(&ar->data_lock);
+ if (!peer)
+ return;
+
+ reinit_completion(&ar->peer_stats_info_complete);
+
+ ret = ath10k_wmi_request_peer_stats_info(ar,
+ arsta->arvif->vdev_id,
+ WMI_REQUEST_ONE_PEER_STATS_INFO,
+ arsta->arvif->bssid,
+ 0);
+ if (ret && ret != -EOPNOTSUPP) {
+ ath10k_warn(ar, "could not request peer stats info: %d\n", ret);
+ return;
+ }
+
+ time_left = wait_for_completion_timeout(&ar->peer_stats_info_complete, 3 * HZ);
+ if (time_left == 0) {
+ ath10k_warn(ar, "timed out waiting peer stats info\n");
+ return;
+ }
+
+ if (arsta->rx_rate_code != 0 && arsta->rx_bitrate_kbps != 0) {
+ ath10k_mac_parse_bitrate(ar, arsta->rx_rate_code,
+ arsta->rx_bitrate_kbps,
+ &sinfo->rxrate);
+
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
+ arsta->rx_rate_code = 0;
+ arsta->rx_bitrate_kbps = 0;
+ }
+
+ if (arsta->tx_rate_code != 0 && arsta->tx_bitrate_kbps != 0) {
+ ath10k_mac_parse_bitrate(ar, arsta->tx_rate_code,
+ arsta->tx_bitrate_kbps,
+ &sinfo->txrate);
+
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+ arsta->tx_rate_code = 0;
+ arsta->tx_bitrate_kbps = 0;
+ }
+}
+
static void ath10k_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -8271,6 +8528,8 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw,
if (!ath10k_peer_stats_enabled(ar))
return;
+ ath10k_debug_fw_stats_request(ar);
+
sinfo->rx_duration = arsta->rx_duration;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
@@ -8286,6 +8545,15 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw,
}
sinfo->txrate.flags = arsta->txrate.flags;
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+
+ if (ar->htt.disable_tx_comp) {
+ sinfo->tx_retries = arsta->tx_retries;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
+ sinfo->tx_failed = arsta->tx_failed;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
+ }
+
+ ath10k_mac_sta_get_peer_stats_info(ar, sta, sinfo);
}
static const struct ieee80211_ops ath10k_ops = {
@@ -8625,7 +8893,9 @@ static const struct ieee80211_iface_combination ath10k_10_4_if_comb[] = {
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
- BIT(NL80211_CHAN_WIDTH_80),
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_80P80) |
+ BIT(NL80211_CHAN_WIDTH_160),
#endif
},
};
@@ -8643,7 +8913,9 @@ ieee80211_iface_combination ath10k_10_4_bcn_int_if_comb[] = {
.radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
BIT(NL80211_CHAN_WIDTH_20) |
BIT(NL80211_CHAN_WIDTH_40) |
- BIT(NL80211_CHAN_WIDTH_80),
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_80P80) |
+ BIT(NL80211_CHAN_WIDTH_160),
#endif
},
};
@@ -8919,7 +9191,6 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) {
- ar->hw->wiphy->max_sched_scan_reqs = 1;
ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;
ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index ded7a220a4aa..1d941d53fdc9 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -116,7 +116,7 @@ static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state);
-static struct ce_attr host_ce_config_wlan[] = {
+static const struct ce_attr pci_host_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
{
.flags = CE_ATTR_FLAGS,
@@ -222,7 +222,7 @@ static struct ce_attr host_ce_config_wlan[] = {
};
/* Target firmware's Copy Engine configuration. */
-static struct ce_pipe_config target_ce_config_wlan[] = {
+static const struct ce_pipe_config pci_target_ce_config_wlan[] = {
/* CE0: host->target HTC control and raw streams */
{
.pipenum = __cpu_to_le32(0),
@@ -335,7 +335,7 @@ static struct ce_pipe_config target_ce_config_wlan[] = {
* This table is derived from the CE_PCI TABLE, above.
* It is passed to the Target at startup for use by firmware.
*/
-static struct service_to_pipe target_service_to_ce_map_wlan[] = {
+static const struct ce_service_to_pipe pci_target_service_to_ce_map_wlan[] = {
{
__cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
__cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
@@ -1787,6 +1787,8 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
int force)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif send complete check\n");
if (!force) {
@@ -1804,7 +1806,7 @@ void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
* If at least 50% of the total resources are still available,
* don't bother checking again yet.
*/
- if (resources > (host_ce_config_wlan[pipe].src_nentries >> 1))
+ if (resources > (ar_pci->attr[pipe].src_nentries >> 1))
return;
}
ath10k_ce_per_engine_service(ar, pipe);
@@ -1820,14 +1822,15 @@ static void ath10k_pci_rx_retry_sync(struct ath10k *ar)
int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
u8 *ul_pipe, u8 *dl_pipe)
{
- const struct service_to_pipe *entry;
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+ const struct ce_service_to_pipe *entry;
bool ul_set = false, dl_set = false;
int i;
ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif map service\n");
- for (i = 0; i < ARRAY_SIZE(target_service_to_ce_map_wlan); i++) {
- entry = &target_service_to_ce_map_wlan[i];
+ for (i = 0; i < ARRAY_SIZE(pci_target_service_to_ce_map_wlan); i++) {
+ entry = &ar_pci->serv_to_pipe[i];
if (__le32_to_cpu(entry->service_id) != service_id)
continue;
@@ -2074,6 +2077,7 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
ath10k_pci_irq_sync(ar);
napi_synchronize(&ar->napi);
napi_disable(&ar->napi);
+ cancel_work_sync(&ar_pci->dump_work);
/* Most likely the device has HTT Rx ring configured. The only way to
* prevent the device from accessing (and possible corrupting) host
@@ -2315,6 +2319,7 @@ static int ath10k_bus_get_num_banks(struct ath10k *ar)
int ath10k_pci_init_config(struct ath10k *ar)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
u32 interconnect_targ_addr;
u32 pcie_state_targ_addr = 0;
u32 pipe_cfg_targ_addr = 0;
@@ -2360,7 +2365,7 @@ int ath10k_pci_init_config(struct ath10k *ar)
}
ret = ath10k_pci_diag_write_mem(ar, pipe_cfg_targ_addr,
- target_ce_config_wlan,
+ ar_pci->pipe_config,
sizeof(struct ce_pipe_config) *
NUM_TARGET_CE_CONFIG_WLAN);
@@ -2385,8 +2390,8 @@ int ath10k_pci_init_config(struct ath10k *ar)
}
ret = ath10k_pci_diag_write_mem(ar, svc_to_pipe_map,
- target_service_to_ce_map_wlan,
- sizeof(target_service_to_ce_map_wlan));
+ ar_pci->serv_to_pipe,
+ sizeof(pci_target_service_to_ce_map_wlan));
if (ret != 0) {
ath10k_err(ar, "Failed to write svc/pipe map: %d\n", ret);
return ret;
@@ -2458,23 +2463,24 @@ static void ath10k_pci_override_ce_config(struct ath10k *ar)
{
struct ce_attr *attr;
struct ce_pipe_config *config;
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
/* For QCA6174 we're overriding the Copy Engine 5 configuration,
* since it is currently used for other feature.
*/
/* Override Host's Copy Engine 5 configuration */
- attr = &host_ce_config_wlan[5];
+ attr = &ar_pci->attr[5];
attr->src_sz_max = 0;
attr->dest_nentries = 0;
/* Override Target firmware's Copy Engine configuration */
- config = &target_ce_config_wlan[5];
+ config = &ar_pci->pipe_config[5];
config->pipedir = __cpu_to_le32(PIPEDIR_OUT);
config->nbytes_max = __cpu_to_le32(2048);
/* Map from service/endpoint to Copy Engine */
- target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1);
+ ar_pci->serv_to_pipe[15].pipenum = __cpu_to_le32(1);
}
int ath10k_pci_alloc_pipes(struct ath10k *ar)
@@ -2490,7 +2496,7 @@ int ath10k_pci_alloc_pipes(struct ath10k *ar)
pipe->pipe_num = i;
pipe->hif_ce_state = ar;
- ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]);
+ ret = ath10k_ce_alloc_pipe(ar, i, &ar_pci->attr[i]);
if (ret) {
ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
i, ret);
@@ -2503,7 +2509,7 @@ int ath10k_pci_alloc_pipes(struct ath10k *ar)
continue;
}
- pipe->buf_sz = (size_t)(host_ce_config_wlan[i].src_sz_max);
+ pipe->buf_sz = (size_t)(ar_pci->attr[i].src_sz_max);
}
return 0;
@@ -2519,10 +2525,11 @@ void ath10k_pci_free_pipes(struct ath10k *ar)
int ath10k_pci_init_pipes(struct ath10k *ar)
{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
int i, ret;
for (i = 0; i < CE_COUNT; i++) {
- ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]);
+ ret = ath10k_ce_init_pipe(ar, i, &ar_pci->attr[i]);
if (ret) {
ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n",
i, ret);
@@ -3594,6 +3601,30 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
timer_setup(&ar_pci->ps_timer, ath10k_pci_ps_timer, 0);
+ ar_pci->attr = kmemdup(pci_host_ce_config_wlan,
+ sizeof(pci_host_ce_config_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->attr) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ ar_pci->pipe_config = kmemdup(pci_target_ce_config_wlan,
+ sizeof(pci_target_ce_config_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->pipe_config) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
+ ar_pci->serv_to_pipe = kmemdup(pci_target_service_to_ce_map_wlan,
+ sizeof(pci_target_service_to_ce_map_wlan),
+ GFP_KERNEL);
+ if (!ar_pci->serv_to_pipe) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+
ret = ath10k_pci_setup_resource(ar);
if (ret) {
ath10k_err(ar, "failed to setup resource: %d\n", ret);
@@ -3689,6 +3720,11 @@ err_free_pipes:
err_core_destroy:
ath10k_core_destroy(ar);
+err_free:
+ kfree(ar_pci->attr);
+ kfree(ar_pci->pipe_config);
+ kfree(ar_pci->serv_to_pipe);
+
return ret;
}
@@ -3714,6 +3750,9 @@ static void ath10k_pci_remove(struct pci_dev *pdev)
ath10k_pci_sleep_sync(ar);
ath10k_pci_release(ar);
ath10k_core_destroy(ar);
+ kfree(ar_pci->attr);
+ kfree(ar_pci->pipe_config);
+ kfree(ar_pci->serv_to_pipe);
}
MODULE_DEVICE_TABLE(pci, ath10k_pci_id_table);
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 4455ed6c5275..862d0901c5b8 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -178,11 +178,16 @@ struct ath10k_pci {
*/
u32 (*targ_cpu_to_ce_addr)(struct ath10k *ar, u32 addr);
+ struct ce_attr *attr;
+ struct ce_pipe_config *pipe_config;
+ struct ce_service_to_pipe *serv_to_pipe;
+
/* Keep this entry in the last, memory for struct ath10k_ahb is
* allocated (ahb support enabled case) in the continuation of
* this struct.
*/
- struct ath10k_ahb ahb[0];
+ struct ath10k_ahb ahb[];
+
};
static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/qmi.c b/drivers/net/wireless/ath/ath10k/qmi.c
index 85dce43c5439..5468a41e928e 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.c
+++ b/drivers/net/wireless/ath/ath10k/qmi.c
@@ -122,8 +122,8 @@ static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
int ret;
int i;
- req.msa_addr = qmi->msa_pa;
- req.size = qmi->msa_mem_size;
+ req.msa_addr = ar->msa.paddr;
+ req.size = ar->msa.mem_size;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_msa_info_resp_msg_v01_ei, &resp);
@@ -157,12 +157,12 @@ static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
goto out;
}
- max_mapped_addr = qmi->msa_pa + qmi->msa_mem_size;
+ max_mapped_addr = ar->msa.paddr + ar->msa.mem_size;
qmi->nr_mem_region = resp.mem_region_info_len;
for (i = 0; i < resp.mem_region_info_len; i++) {
- if (resp.mem_region_info[i].size > qmi->msa_mem_size ||
+ if (resp.mem_region_info[i].size > ar->msa.mem_size ||
resp.mem_region_info[i].region_addr > max_mapped_addr ||
- resp.mem_region_info[i].region_addr < qmi->msa_pa ||
+ resp.mem_region_info[i].region_addr < ar->msa.paddr ||
resp.mem_region_info[i].size +
resp.mem_region_info[i].region_addr > max_mapped_addr) {
ath10k_err(ar, "received out of range memory region address 0x%llx with size 0x%x, aborting\n",
@@ -961,7 +961,16 @@ static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
qmi->fw_ready = false;
- ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT, NULL);
+
+ /*
+ * The del_server event is to be processed only if coming from
+ * the qmi server. The qmi infrastructure sends del_server, when
+ * any client releases the qmi handle. In this case do not process
+ * this del_server event.
+ */
+ if (qmi->state == ATH10K_QMI_STATE_INIT_DONE)
+ ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT,
+ NULL);
}
static struct qmi_ops ath10k_qmi_ops = {
@@ -1006,54 +1015,10 @@ static void ath10k_qmi_driver_event_work(struct work_struct *work)
spin_unlock(&qmi->event_lock);
}
-static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size)
-{
- struct ath10k *ar = qmi->ar;
- struct device *dev = ar->dev;
- struct device_node *node;
- struct resource r;
- int ret;
-
- node = of_parse_phandle(dev->of_node, "memory-region", 0);
- if (node) {
- ret = of_address_to_resource(node, 0, &r);
- if (ret) {
- dev_err(dev, "failed to resolve msa fixed region\n");
- return ret;
- }
- of_node_put(node);
-
- qmi->msa_pa = r.start;
- qmi->msa_mem_size = resource_size(&r);
- qmi->msa_va = devm_memremap(dev, qmi->msa_pa, qmi->msa_mem_size,
- MEMREMAP_WT);
- if (IS_ERR(qmi->msa_va)) {
- dev_err(dev, "failed to map memory region: %pa\n", &r.start);
- return PTR_ERR(qmi->msa_va);
- }
- } else {
- qmi->msa_va = dmam_alloc_coherent(dev, msa_size,
- &qmi->msa_pa, GFP_KERNEL);
- if (!qmi->msa_va) {
- ath10k_err(ar, "failed to allocate dma memory for msa region\n");
- return -ENOMEM;
- }
- qmi->msa_mem_size = msa_size;
- }
-
- if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
- qmi->msa_fixed_perm = true;
-
- ath10k_dbg(ar, ATH10K_DBG_QMI, "msa pa: %pad , msa va: 0x%p\n",
- &qmi->msa_pa,
- qmi->msa_va);
-
- return 0;
-}
-
int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+ struct device *dev = ar->dev;
struct ath10k_qmi *qmi;
int ret;
@@ -1064,9 +1029,8 @@ int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
qmi->ar = ar;
ar_snoc->qmi = qmi;
- ret = ath10k_qmi_setup_msa_resources(qmi, msa_size);
- if (ret)
- goto err;
+ if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
+ qmi->msa_fixed_perm = true;
ret = qmi_handle_init(&qmi->qmi_hdl,
WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
@@ -1091,6 +1055,7 @@ int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
if (ret)
goto err_qmi_lookup;
+ qmi->state = ATH10K_QMI_STATE_INIT_DONE;
return 0;
err_qmi_lookup:
@@ -1109,6 +1074,7 @@ int ath10k_qmi_deinit(struct ath10k *ar)
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct ath10k_qmi *qmi = ar_snoc->qmi;
+ qmi->state = ATH10K_QMI_STATE_DEINIT;
qmi_handle_release(&qmi->qmi_hdl);
cancel_work_sync(&qmi->event_work);
destroy_workqueue(qmi->event_wq);
diff --git a/drivers/net/wireless/ath/ath10k/qmi.h b/drivers/net/wireless/ath/ath10k/qmi.h
index dc257375f161..89464239fe96 100644
--- a/drivers/net/wireless/ath/ath10k/qmi.h
+++ b/drivers/net/wireless/ath/ath10k/qmi.h
@@ -83,6 +83,11 @@ struct ath10k_qmi_driver_event {
void *data;
};
+enum ath10k_qmi_state {
+ ATH10K_QMI_STATE_INIT_DONE,
+ ATH10K_QMI_STATE_DEINIT,
+};
+
struct ath10k_qmi {
struct ath10k *ar;
struct qmi_handle qmi_hdl;
@@ -93,9 +98,6 @@ struct ath10k_qmi {
spinlock_t event_lock; /* spinlock for qmi event list */
u32 nr_mem_region;
struct ath10k_msa_mem_info mem_region[MAX_NUM_MEMORY_REGIONS];
- dma_addr_t msa_pa;
- u32 msa_mem_size;
- void *msa_va;
struct ath10k_qmi_chip_info chip_info;
struct ath10k_qmi_board_info board_info;
struct ath10k_qmi_soc_info soc_info;
@@ -105,6 +107,7 @@ struct ath10k_qmi {
char fw_build_timestamp[MAX_TIMESTAMP_LEN + 1];
struct ath10k_qmi_cal_data cal_data[MAX_NUM_CAL_V01];
bool msa_fixed_perm;
+ enum ath10k_qmi_state state;
};
int ath10k_qmi_wlan_enable(struct ath10k *ar,
@@ -112,7 +115,6 @@ int ath10k_qmi_wlan_enable(struct ath10k *ar,
enum wlfw_driver_mode_enum_v01 mode,
const char *version);
int ath10k_qmi_wlan_disable(struct ath10k *ar);
-int ath10k_qmi_register_service_notifier(struct notifier_block *nb);
int ath10k_qmi_init(struct ath10k *ar, u32 msa_size);
int ath10k_qmi_deinit(struct ath10k *ar);
int ath10k_qmi_set_fw_log_mode(struct ath10k *ar, u8 fw_log_mode);
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 1f709b65c29b..63f882c690bf 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -542,7 +542,7 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar,
int pkt_cnt = 0;
if (n_lookaheads > ATH10K_SDIO_MAX_RX_MSGS) {
- ath10k_warn(ar, "the total number of pkgs to be fetched (%u) exceeds maximum %u\n",
+ ath10k_warn(ar, "the total number of pkts to be fetched (%u) exceeds maximum %u\n",
n_lookaheads, ATH10K_SDIO_MAX_RX_MSGS);
ret = -ENOMEM;
goto err;
@@ -1083,10 +1083,10 @@ static void ath10k_sdio_set_mbox_info(struct ath10k *ar)
mbox_info->ext_info[0].htc_ext_addr = ATH10K_HIF_MBOX0_EXT_BASE_ADDR;
- dev_id_base = FIELD_GET(QCA_MANUFACTURER_ID_BASE, device);
- dev_id_chiprev = FIELD_GET(QCA_MANUFACTURER_ID_REV_MASK, device);
+ dev_id_base = (device & 0x0F00);
+ dev_id_chiprev = (device & 0x00FF);
switch (dev_id_base) {
- case QCA_MANUFACTURER_ID_AR6005_BASE:
+ case (SDIO_DEVICE_ID_ATHEROS_AR6005 & 0x0F00):
if (dev_id_chiprev < 4)
mbox_info->ext_info[0].htc_ext_sz =
ATH10K_HIF_MBOX0_EXT_WIDTH;
@@ -1097,7 +1097,7 @@ static void ath10k_sdio_set_mbox_info(struct ath10k *ar)
mbox_info->ext_info[0].htc_ext_sz =
ATH10K_HIF_MBOX0_EXT_WIDTH_ROME_2_0;
break;
- case QCA_MANUFACTURER_ID_QCA9377_BASE:
+ case (SDIO_DEVICE_ID_ATHEROS_QCA9377 & 0x0F00):
mbox_info->ext_info[0].htc_ext_sz =
ATH10K_HIF_MBOX0_EXT_WIDTH_ROME_2_0;
break;
@@ -1361,23 +1361,117 @@ static void ath10k_rx_indication_async_work(struct work_struct *work)
napi_schedule(&ar->napi);
}
+static int ath10k_sdio_read_rtc_state(struct ath10k_sdio *ar_sdio, unsigned char *state)
+{
+ struct ath10k *ar = ar_sdio->ar;
+ unsigned char rtc_state = 0;
+ int ret = 0;
+
+ rtc_state = sdio_f0_readb(ar_sdio->func, ATH10K_CIS_RTC_STATE_ADDR, &ret);
+ if (ret) {
+ ath10k_warn(ar, "failed to read rtc state: %d\n", ret);
+ return ret;
+ }
+
+ *state = rtc_state & 0x3;
+
+ return ret;
+}
+
+static int ath10k_sdio_set_mbox_sleep(struct ath10k *ar, bool enable_sleep)
+{
+ struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
+ u32 val;
+ int retry = ATH10K_CIS_READ_RETRY, ret = 0;
+ unsigned char rtc_state = 0;
+
+ sdio_claim_host(ar_sdio->func);
+
+ ret = ath10k_sdio_read32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, &val);
+ if (ret) {
+ ath10k_warn(ar, "failed to read fifo/chip control register: %d\n",
+ ret);
+ goto release;
+ }
+
+ if (enable_sleep) {
+ val &= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF;
+ ar_sdio->mbox_state = SDIO_MBOX_SLEEP_STATE;
+ } else {
+ val |= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON;
+ ar_sdio->mbox_state = SDIO_MBOX_AWAKE_STATE;
+ }
+
+ ret = ath10k_sdio_write32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, val);
+ if (ret) {
+ ath10k_warn(ar, "failed to write to FIFO_TIMEOUT_AND_CHIP_CONTROL: %d",
+ ret);
+ }
+
+ if (!enable_sleep) {
+ do {
+ udelay(ATH10K_CIS_READ_WAIT_4_RTC_CYCLE_IN_US);
+ ret = ath10k_sdio_read_rtc_state(ar_sdio, &rtc_state);
+
+ if (ret) {
+ ath10k_warn(ar, "failed to disable mbox sleep: %d", ret);
+ break;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_SDIO, "sdio read rtc state: %d\n",
+ rtc_state);
+
+ if (rtc_state == ATH10K_CIS_RTC_STATE_ON)
+ break;
+
+ udelay(ATH10K_CIS_XTAL_SETTLE_DURATION_IN_US);
+ retry--;
+ } while (retry > 0);
+ }
+
+release:
+ sdio_release_host(ar_sdio->func);
+
+ return ret;
+}
+
+static void ath10k_sdio_sleep_timer_handler(struct timer_list *t)
+{
+ struct ath10k_sdio *ar_sdio = from_timer(ar_sdio, t, sleep_timer);
+
+ ar_sdio->mbox_state = SDIO_MBOX_REQUEST_TO_SLEEP_STATE;
+ queue_work(ar_sdio->workqueue, &ar_sdio->wr_async_work);
+}
+
static void ath10k_sdio_write_async_work(struct work_struct *work)
{
struct ath10k_sdio *ar_sdio = container_of(work, struct ath10k_sdio,
wr_async_work);
struct ath10k *ar = ar_sdio->ar;
struct ath10k_sdio_bus_request *req, *tmp_req;
+ struct ath10k_mbox_info *mbox_info = &ar_sdio->mbox_info;
spin_lock_bh(&ar_sdio->wr_async_lock);
list_for_each_entry_safe(req, tmp_req, &ar_sdio->wr_asyncq, list) {
list_del(&req->list);
spin_unlock_bh(&ar_sdio->wr_async_lock);
+
+ if (req->address >= mbox_info->htc_addr &&
+ ar_sdio->mbox_state == SDIO_MBOX_SLEEP_STATE) {
+ ath10k_sdio_set_mbox_sleep(ar, false);
+ mod_timer(&ar_sdio->sleep_timer, jiffies +
+ msecs_to_jiffies(ATH10K_MIN_SLEEP_INACTIVITY_TIME_MS));
+ }
+
__ath10k_sdio_write_async(ar, req);
spin_lock_bh(&ar_sdio->wr_async_lock);
}
spin_unlock_bh(&ar_sdio->wr_async_lock);
+
+ if (ar_sdio->mbox_state == SDIO_MBOX_REQUEST_TO_SLEEP_STATE)
+ ath10k_sdio_set_mbox_sleep(ar, true);
}
static int ath10k_sdio_prep_async_req(struct ath10k *ar, u32 addr,
@@ -1444,7 +1538,7 @@ static void ath10k_sdio_irq_handler(struct sdio_func *func)
/* sdio HIF functions */
-static int ath10k_sdio_hif_disable_intrs(struct ath10k *ar)
+static int ath10k_sdio_disable_intrs(struct ath10k *ar)
{
struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
struct ath10k_sdio_irq_data *irq_data = &ar_sdio->irq_data;
@@ -1500,7 +1594,7 @@ static int ath10k_sdio_hif_power_up(struct ath10k *ar,
ar_sdio->is_disabled = false;
- ret = ath10k_sdio_hif_disable_intrs(ar);
+ ret = ath10k_sdio_disable_intrs(ar);
if (ret)
return ret;
@@ -1517,6 +1611,9 @@ static void ath10k_sdio_hif_power_down(struct ath10k *ar)
ath10k_dbg(ar, ATH10K_DBG_BOOT, "sdio power off\n");
+ del_timer_sync(&ar_sdio->sleep_timer);
+ ath10k_sdio_set_mbox_sleep(ar, true);
+
/* Disable the card */
sdio_claim_host(ar_sdio->func);
@@ -1569,7 +1666,7 @@ static int ath10k_sdio_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
return 0;
}
-static int ath10k_sdio_hif_enable_intrs(struct ath10k *ar)
+static int ath10k_sdio_enable_intrs(struct ath10k *ar)
{
struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
struct ath10k_sdio_irq_data *irq_data = &ar_sdio->irq_data;
@@ -1617,33 +1714,6 @@ static int ath10k_sdio_hif_enable_intrs(struct ath10k *ar)
return ret;
}
-static int ath10k_sdio_hif_set_mbox_sleep(struct ath10k *ar, bool enable_sleep)
-{
- u32 val;
- int ret;
-
- ret = ath10k_sdio_read32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, &val);
- if (ret) {
- ath10k_warn(ar, "failed to read fifo/chip control register: %d\n",
- ret);
- return ret;
- }
-
- if (enable_sleep)
- val &= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF;
- else
- val |= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON;
-
- ret = ath10k_sdio_write32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, val);
- if (ret) {
- ath10k_warn(ar, "failed to write to FIFO_TIMEOUT_AND_CHIP_CONTROL: %d",
- ret);
- return ret;
- }
-
- return 0;
-}
-
/* HIF diagnostics */
static int ath10k_sdio_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
@@ -1679,8 +1749,8 @@ out:
return ret;
}
-static int ath10k_sdio_hif_diag_read32(struct ath10k *ar, u32 address,
- u32 *value)
+static int ath10k_sdio_diag_read32(struct ath10k *ar, u32 address,
+ u32 *value)
{
__le32 *val;
int ret;
@@ -1725,7 +1795,7 @@ static int ath10k_sdio_hif_diag_write_mem(struct ath10k *ar, u32 address,
return 0;
}
-static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
+static int ath10k_sdio_hif_start_post(struct ath10k *ar)
{
struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
u32 addr, val;
@@ -1733,7 +1803,7 @@ static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
addr = host_interest_item_address(HI_ITEM(hi_acs_flags));
- ret = ath10k_sdio_hif_diag_read32(ar, addr, &val);
+ ret = ath10k_sdio_diag_read32(ar, addr, &val);
if (ret) {
ath10k_warn(ar, "unable to read hi_acs_flags : %d\n", ret);
return ret;
@@ -1749,9 +1819,33 @@ static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
ar_sdio->swap_mbox = false;
}
+ ath10k_sdio_set_mbox_sleep(ar, true);
+
return 0;
}
+static int ath10k_sdio_get_htt_tx_complete(struct ath10k *ar)
+{
+ u32 addr, val;
+ int ret;
+
+ addr = host_interest_item_address(HI_ITEM(hi_acs_flags));
+
+ ret = ath10k_sdio_diag_read32(ar, addr, &val);
+ if (ret) {
+ ath10k_warn(ar,
+ "unable to read hi_acs_flags for htt tx comple : %d\n", ret);
+ return ret;
+ }
+
+ ret = (val & HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_FW_ACK);
+
+ ath10k_dbg(ar, ATH10K_DBG_SDIO, "sdio reduce tx complete fw%sack\n",
+ ret ? " " : " not ");
+
+ return ret;
+}
+
/* HIF start/stop */
static int ath10k_sdio_hif_start(struct ath10k *ar)
@@ -1766,7 +1860,7 @@ static int ath10k_sdio_hif_start(struct ath10k *ar)
* request before interrupts are disabled.
*/
msleep(20);
- ret = ath10k_sdio_hif_disable_intrs(ar);
+ ret = ath10k_sdio_disable_intrs(ar);
if (ret)
return ret;
@@ -1788,19 +1882,19 @@ static int ath10k_sdio_hif_start(struct ath10k *ar)
sdio_release_host(ar_sdio->func);
- ret = ath10k_sdio_hif_enable_intrs(ar);
+ ret = ath10k_sdio_enable_intrs(ar);
if (ret)
ath10k_warn(ar, "failed to enable sdio interrupts: %d\n", ret);
/* Enable sleep and then disable it again */
- ret = ath10k_sdio_hif_set_mbox_sleep(ar, true);
+ ret = ath10k_sdio_set_mbox_sleep(ar, true);
if (ret)
return ret;
/* Wait for 20ms for the written value to take effect */
msleep(20);
- ret = ath10k_sdio_hif_set_mbox_sleep(ar, false);
+ ret = ath10k_sdio_set_mbox_sleep(ar, false);
if (ret)
return ret;
@@ -2007,17 +2101,6 @@ static void ath10k_sdio_hif_get_default_pipe(struct ath10k *ar,
*dl_pipe = 0;
}
-/* This op is currently only used by htc_wait_target if the HTC ready
- * message times out. It is not applicable for SDIO since there is nothing
- * we can do if the HTC ready message does not arrive in time.
- * TODO: Make this op non mandatory by introducing a NULL check in the
- * hif op wrapper.
- */
-static void ath10k_sdio_hif_send_complete_check(struct ath10k *ar,
- u8 pipe, int force)
-{
-}
-
static const struct ath10k_hif_ops ath10k_sdio_hif_ops = {
.tx_sg = ath10k_sdio_hif_tx_sg,
.diag_read = ath10k_sdio_hif_diag_read,
@@ -2025,10 +2108,10 @@ static const struct ath10k_hif_ops ath10k_sdio_hif_ops = {
.exchange_bmi_msg = ath10k_sdio_bmi_exchange_msg,
.start = ath10k_sdio_hif_start,
.stop = ath10k_sdio_hif_stop,
- .swap_mailbox = ath10k_sdio_hif_swap_mailbox,
+ .start_post = ath10k_sdio_hif_start_post,
+ .get_htt_tx_complete = ath10k_sdio_get_htt_tx_complete,
.map_service_to_pipe = ath10k_sdio_hif_map_service_to_pipe,
.get_default_pipe = ath10k_sdio_hif_get_default_pipe,
- .send_complete_check = ath10k_sdio_hif_send_complete_check,
.power_up = ath10k_sdio_hif_power_up,
.power_down = ath10k_sdio_hif_power_down,
#ifdef CONFIG_PM
@@ -2053,6 +2136,8 @@ static int ath10k_sdio_pm_suspend(struct device *device)
if (!device_may_wakeup(ar->dev))
return 0;
+ ath10k_sdio_set_mbox_sleep(ar, true);
+
pm_flag = MMC_PM_KEEP_POWER;
ret = sdio_set_host_pm_flags(func, pm_flag);
@@ -2185,19 +2270,16 @@ static int ath10k_sdio_probe(struct sdio_func *func,
skb_queue_head_init(&ar_sdio->rx_head);
INIT_WORK(&ar_sdio->async_work_rx, ath10k_rx_indication_async_work);
- dev_id_base = FIELD_GET(QCA_MANUFACTURER_ID_BASE, id->device);
- switch (dev_id_base) {
- case QCA_MANUFACTURER_ID_AR6005_BASE:
- case QCA_MANUFACTURER_ID_QCA9377_BASE:
- ar->dev_id = QCA9377_1_0_DEVICE_ID;
- break;
- default:
+ dev_id_base = (id->device & 0x0F00);
+ if (dev_id_base != (SDIO_DEVICE_ID_ATHEROS_AR6005 & 0x0F00) &&
+ dev_id_base != (SDIO_DEVICE_ID_ATHEROS_QCA9377 & 0x0F00)) {
ret = -ENODEV;
ath10k_err(ar, "unsupported device id %u (0x%x)\n",
dev_id_base, id->device);
goto err_free_wq;
}
+ ar->dev_id = QCA9377_1_0_DEVICE_ID;
ar->id.vendor = id->vendor;
ar->id.device = id->device;
@@ -2216,6 +2298,8 @@ static int ath10k_sdio_probe(struct sdio_func *func,
goto err_free_wq;
}
+ timer_setup(&ar_sdio->sleep_timer, ath10k_sdio_sleep_timer_handler, 0);
+
return 0;
err_free_wq:
@@ -2246,10 +2330,8 @@ static void ath10k_sdio_remove(struct sdio_func *func)
}
static const struct sdio_device_id ath10k_sdio_devices[] = {
- {SDIO_DEVICE(QCA_MANUFACTURER_CODE,
- (QCA_SDIO_ID_AR6005_BASE | 0xA))},
- {SDIO_DEVICE(QCA_MANUFACTURER_CODE,
- (QCA_SDIO_ID_QCA9377_BASE | 0x1))},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6005)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_QCA9377)},
{},
};
diff --git a/drivers/net/wireless/ath/ath10k/sdio.h b/drivers/net/wireless/ath/ath10k/sdio.h
index 33195f49acab..b6ac927628b1 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.h
+++ b/drivers/net/wireless/ath/ath10k/sdio.h
@@ -10,14 +10,6 @@
#define ATH10K_HIF_MBOX_BLOCK_SIZE 256
-#define QCA_MANUFACTURER_ID_BASE GENMASK(11, 8)
-#define QCA_MANUFACTURER_ID_AR6005_BASE 0x5
-#define QCA_MANUFACTURER_ID_QCA9377_BASE 0x7
-#define QCA_SDIO_ID_AR6005_BASE 0x500
-#define QCA_SDIO_ID_QCA9377_BASE 0x700
-#define QCA_MANUFACTURER_ID_REV_MASK 0x00FF
-#define QCA_MANUFACTURER_CODE 0x271 /* Qualcomm/Atheros */
-
#define ATH10K_SDIO_MAX_BUFFER_SIZE 4096 /*Unsure of this constant*/
/* Mailbox address in SDIO address space */
@@ -37,7 +29,7 @@
(ATH10K_SDIO_MAX_BUFFER_SIZE - sizeof(struct ath10k_htc_hdr))
#define ATH10K_HIF_MBOX_NUM_MAX 4
-#define ATH10K_SDIO_BUS_REQUEST_MAX_NUM 64
+#define ATH10K_SDIO_BUS_REQUEST_MAX_NUM 1024
#define ATH10K_SDIO_HIF_COMMUNICATION_TIMEOUT_HZ (100 * HZ)
@@ -98,6 +90,21 @@
#define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF 0xFFFEFFFF
#define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON 0x10000
+enum sdio_mbox_state {
+ SDIO_MBOX_UNKNOWN_STATE = 0,
+ SDIO_MBOX_REQUEST_TO_SLEEP_STATE = 1,
+ SDIO_MBOX_SLEEP_STATE = 2,
+ SDIO_MBOX_AWAKE_STATE = 3,
+};
+
+#define ATH10K_CIS_READ_WAIT_4_RTC_CYCLE_IN_US 125
+#define ATH10K_CIS_RTC_STATE_ADDR 0x1138
+#define ATH10K_CIS_RTC_STATE_ON 0x01
+#define ATH10K_CIS_XTAL_SETTLE_DURATION_IN_US 1500
+#define ATH10K_CIS_READ_RETRY 10
+#define ATH10K_MIN_SLEEP_INACTIVITY_TIME_MS 50
+
+/* TODO: remove this and use skb->cb instead, much cleaner approach */
struct ath10k_sdio_bus_request {
struct list_head list;
@@ -217,6 +224,8 @@ struct ath10k_sdio {
spinlock_t wr_async_lock;
struct work_struct async_work_rx;
+ struct timer_list sleep_timer;
+ enum sdio_mbox_state mbox_state;
};
static inline struct ath10k_sdio *ath10k_sdio_priv(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c
index 21081b4a27d7..354d49b1cd45 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -11,6 +11,8 @@
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
+#include <linux/of_address.h>
+#include <linux/iommu.h>
#include "ce.h"
#include "coredump.h"
@@ -356,7 +358,7 @@ static struct ce_pipe_config target_ce_config_wlan[] = {
},
};
-static struct service_to_pipe target_service_to_ce_map_wlan[] = {
+static struct ce_service_to_pipe target_service_to_ce_map_wlan[] = {
{
__cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
__cpu_to_le32(PIPEDIR_OUT), /* out = UL = host -> target */
@@ -769,7 +771,7 @@ static int ath10k_snoc_hif_map_service_to_pipe(struct ath10k *ar,
u16 service_id,
u8 *ul_pipe, u8 *dl_pipe)
{
- const struct service_to_pipe *entry;
+ const struct ce_service_to_pipe *entry;
bool ul_set = false, dl_set = false;
int i;
@@ -1393,7 +1395,6 @@ static int ath10k_hw_power_off(struct ath10k *ar)
static void ath10k_msa_dump_memory(struct ath10k *ar,
struct ath10k_fw_crash_data *crash_data)
{
- struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
const struct ath10k_hw_mem_layout *mem_layout;
const struct ath10k_mem_region *current_region;
struct ath10k_dump_ram_data_hdr *hdr;
@@ -1419,15 +1420,15 @@ static void ath10k_msa_dump_memory(struct ath10k *ar,
buf_len -= sizeof(*hdr);
hdr->region_type = cpu_to_le32(current_region->type);
- hdr->start = cpu_to_le32((unsigned long)ar_snoc->qmi->msa_va);
- hdr->length = cpu_to_le32(ar_snoc->qmi->msa_mem_size);
+ hdr->start = cpu_to_le32((unsigned long)ar->msa.vaddr);
+ hdr->length = cpu_to_le32(ar->msa.mem_size);
- if (current_region->len < ar_snoc->qmi->msa_mem_size) {
- memcpy(buf, ar_snoc->qmi->msa_va, current_region->len);
+ if (current_region->len < ar->msa.mem_size) {
+ memcpy(buf, ar->msa.vaddr, current_region->len);
ath10k_warn(ar, "msa dump length is less than msa size %x, %x\n",
- current_region->len, ar_snoc->qmi->msa_mem_size);
+ current_region->len, ar->msa.mem_size);
} else {
- memcpy(buf, ar_snoc->qmi->msa_va, ar_snoc->qmi->msa_mem_size);
+ memcpy(buf, ar->msa.vaddr, ar->msa.mem_size);
}
}
@@ -1455,6 +1456,155 @@ void ath10k_snoc_fw_crashed_dump(struct ath10k *ar)
mutex_unlock(&ar->dump_mutex);
}
+static int ath10k_setup_msa_resources(struct ath10k *ar, u32 msa_size)
+{
+ struct device *dev = ar->dev;
+ struct device_node *node;
+ struct resource r;
+ int ret;
+
+ node = of_parse_phandle(dev->of_node, "memory-region", 0);
+ if (node) {
+ ret = of_address_to_resource(node, 0, &r);
+ if (ret) {
+ dev_err(dev, "failed to resolve msa fixed region\n");
+ return ret;
+ }
+ of_node_put(node);
+
+ ar->msa.paddr = r.start;
+ ar->msa.mem_size = resource_size(&r);
+ ar->msa.vaddr = devm_memremap(dev, ar->msa.paddr,
+ ar->msa.mem_size,
+ MEMREMAP_WT);
+ if (IS_ERR(ar->msa.vaddr)) {
+ dev_err(dev, "failed to map memory region: %pa\n",
+ &r.start);
+ return PTR_ERR(ar->msa.vaddr);
+ }
+ } else {
+ ar->msa.vaddr = dmam_alloc_coherent(dev, msa_size,
+ &ar->msa.paddr,
+ GFP_KERNEL);
+ if (!ar->msa.vaddr) {
+ ath10k_err(ar, "failed to allocate dma memory for msa region\n");
+ return -ENOMEM;
+ }
+ ar->msa.mem_size = msa_size;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa.paddr: %pad , msa.vaddr: 0x%p\n",
+ &ar->msa.paddr,
+ ar->msa.vaddr);
+
+ return 0;
+}
+
+static int ath10k_fw_init(struct ath10k *ar)
+{
+ struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+ struct device *host_dev = &ar_snoc->dev->dev;
+ struct platform_device_info info;
+ struct iommu_domain *iommu_dom;
+ struct platform_device *pdev;
+ struct device_node *node;
+ int ret;
+
+ node = of_get_child_by_name(host_dev->of_node, "wifi-firmware");
+ if (!node) {
+ ar_snoc->use_tz = true;
+ return 0;
+ }
+
+ memset(&info, 0, sizeof(info));
+ info.fwnode = &node->fwnode;
+ info.parent = host_dev;
+ info.name = node->name;
+ info.dma_mask = DMA_BIT_MASK(32);
+
+ pdev = platform_device_register_full(&info);
+ if (IS_ERR(pdev)) {
+ of_node_put(node);
+ return PTR_ERR(pdev);
+ }
+
+ pdev->dev.of_node = node;
+
+ ret = of_dma_configure(&pdev->dev, node, true);
+ if (ret) {
+ ath10k_err(ar, "dma configure fail: %d\n", ret);
+ goto err_unregister;
+ }
+
+ ar_snoc->fw.dev = &pdev->dev;
+
+ iommu_dom = iommu_domain_alloc(&platform_bus_type);
+ if (!iommu_dom) {
+ ath10k_err(ar, "failed to allocate iommu domain\n");
+ ret = -ENOMEM;
+ goto err_unregister;
+ }
+
+ ret = iommu_attach_device(iommu_dom, ar_snoc->fw.dev);
+ if (ret) {
+ ath10k_err(ar, "could not attach device: %d\n", ret);
+ goto err_iommu_free;
+ }
+
+ ar_snoc->fw.iommu_domain = iommu_dom;
+ ar_snoc->fw.fw_start_addr = ar->msa.paddr;
+
+ ret = iommu_map(iommu_dom, ar_snoc->fw.fw_start_addr,
+ ar->msa.paddr, ar->msa.mem_size,
+ IOMMU_READ | IOMMU_WRITE);
+ if (ret) {
+ ath10k_err(ar, "failed to map firmware region: %d\n", ret);
+ goto err_iommu_detach;
+ }
+
+ of_node_put(node);
+
+ return 0;
+
+err_iommu_detach:
+ iommu_detach_device(iommu_dom, ar_snoc->fw.dev);
+
+err_iommu_free:
+ iommu_domain_free(iommu_dom);
+
+err_unregister:
+ platform_device_unregister(pdev);
+ of_node_put(node);
+
+ return ret;
+}
+
+static int ath10k_fw_deinit(struct ath10k *ar)
+{
+ struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+ const size_t mapped_size = ar_snoc->fw.mapped_mem_size;
+ struct iommu_domain *iommu;
+ size_t unmapped_size;
+
+ if (ar_snoc->use_tz)
+ return 0;
+
+ iommu = ar_snoc->fw.iommu_domain;
+
+ unmapped_size = iommu_unmap(iommu, ar_snoc->fw.fw_start_addr,
+ mapped_size);
+ if (unmapped_size != mapped_size)
+ ath10k_err(ar, "failed to unmap firmware: %zu\n",
+ unmapped_size);
+
+ iommu_detach_device(iommu, ar_snoc->fw.dev);
+ iommu_domain_free(iommu);
+
+ platform_device_unregister(to_platform_device(ar_snoc->fw.dev));
+
+ return 0;
+}
+
static const struct of_device_id ath10k_snoc_dt_match[] = {
{ .compatible = "qcom,wcn3990-wifi",
.data = &drv_priv,
@@ -1557,16 +1707,31 @@ static int ath10k_snoc_probe(struct platform_device *pdev)
goto err_free_irq;
}
+ ret = ath10k_setup_msa_resources(ar, msa_size);
+ if (ret) {
+ ath10k_warn(ar, "failed to setup msa resources: %d\n", ret);
+ goto err_power_off;
+ }
+
+ ret = ath10k_fw_init(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to initialize firmware: %d\n", ret);
+ goto err_power_off;
+ }
+
ret = ath10k_qmi_init(ar, msa_size);
if (ret) {
ath10k_warn(ar, "failed to register wlfw qmi client: %d\n", ret);
- goto err_power_off;
+ goto err_fw_deinit;
}
ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc probe\n");
return 0;
+err_fw_deinit:
+ ath10k_fw_deinit(ar);
+
err_power_off:
ath10k_hw_power_off(ar);
@@ -1598,6 +1763,7 @@ static int ath10k_snoc_remove(struct platform_device *pdev)
ath10k_core_unregister(ar);
ath10k_hw_power_off(ar);
+ ath10k_fw_deinit(ar);
ath10k_snoc_free_irq(ar);
ath10k_snoc_release_resource(ar);
ath10k_qmi_deinit(ar);
diff --git a/drivers/net/wireless/ath/ath10k/snoc.h b/drivers/net/wireless/ath/ath10k/snoc.h
index c05df45a3945..a3dd06f6ac62 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.h
+++ b/drivers/net/wireless/ath/ath10k/snoc.h
@@ -55,6 +55,13 @@ struct regulator_bulk_data;
struct ath10k_snoc {
struct platform_device *dev;
struct ath10k *ar;
+ unsigned int use_tz;
+ struct ath10k_firmware {
+ struct device *dev;
+ dma_addr_t fw_start_addr;
+ struct iommu_domain *iommu_domain;
+ size_t mapped_mem_size;
+ } fw;
void __iomem *mem;
dma_addr_t mem_pa;
struct ath10k_snoc_target_info target_info;
diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index 39abf8b12903..f46b9083bbf1 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -84,9 +84,11 @@ int ath10k_txrx_tx_unref(struct ath10k_htt *htt,
wake_up(&htt->empty_tx_wq);
spin_unlock_bh(&htt->tx_lock);
+ rcu_read_lock();
if (txq && txq->sta && skb_cb->airtime_est)
ieee80211_sta_register_airtime(txq->sta, txq->tid,
skb_cb->airtime_est, 0);
+ rcu_read_unlock();
if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c
index 1e0343081be9..b7daf344d012 100644
--- a/drivers/net/wireless/ath/ath10k/usb.c
+++ b/drivers/net/wireless/ath/ath10k/usb.c
@@ -693,17 +693,6 @@ static int ath10k_usb_hif_map_service_to_pipe(struct ath10k *ar, u16 svc_id,
return 0;
}
-/* This op is currently only used by htc_wait_target if the HTC ready
- * message times out. It is not applicable for USB since there is nothing
- * we can do if the HTC ready message does not arrive in time.
- * TODO: Make this op non mandatory by introducing a NULL check in the
- * hif op wrapper.
- */
-static void ath10k_usb_hif_send_complete_check(struct ath10k *ar,
- u8 pipe, int force)
-{
-}
-
static int ath10k_usb_hif_power_up(struct ath10k *ar,
enum ath10k_firmware_mode fw_mode)
{
@@ -737,7 +726,6 @@ static const struct ath10k_hif_ops ath10k_usb_hif_ops = {
.stop = ath10k_usb_hif_stop,
.map_service_to_pipe = ath10k_usb_hif_map_service_to_pipe,
.get_default_pipe = ath10k_usb_hif_get_default_pipe,
- .send_complete_check = ath10k_usb_hif_send_complete_check,
.get_free_queue_number = ath10k_usb_hif_get_free_queue_number,
.power_up = ath10k_usb_hif_power_up,
.power_down = ath10k_usb_hif_power_down,
diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h
index 1491c25518bb..0dd484f85082 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-ops.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h
@@ -126,6 +126,13 @@ struct wmi_ops {
struct sk_buff *(*gen_pdev_set_wmm)(struct ath10k *ar,
const struct wmi_wmm_params_all_arg *arg);
struct sk_buff *(*gen_request_stats)(struct ath10k *ar, u32 stats_mask);
+ struct sk_buff *(*gen_request_peer_stats_info)(struct ath10k *ar,
+ u32 vdev_id,
+ enum
+ wmi_peer_stats_info_request_type
+ type,
+ u8 *addr,
+ u32 reset);
struct sk_buff *(*gen_force_fw_hang)(struct ath10k *ar,
enum wmi_force_fw_hang_type type,
u32 delay_ms);
@@ -133,6 +140,7 @@ struct wmi_ops {
struct sk_buff *(*gen_mgmt_tx_send)(struct ath10k *ar,
struct sk_buff *skb,
dma_addr_t paddr);
+ int (*cleanup_mgmt_tx_send)(struct ath10k *ar, struct sk_buff *msdu);
struct sk_buff *(*gen_dbglog_cfg)(struct ath10k *ar, u64 module_enable,
u32 log_level);
struct sk_buff *(*gen_pktlog_enable)(struct ath10k *ar, u32 filter);
@@ -442,6 +450,15 @@ ath10k_wmi_get_txbf_conf_scheme(struct ath10k *ar)
}
static inline int
+ath10k_wmi_cleanup_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu)
+{
+ if (!ar->wmi.ops->cleanup_mgmt_tx_send)
+ return -EOPNOTSUPP;
+
+ return ar->wmi.ops->cleanup_mgmt_tx_send(ar, msdu);
+}
+
+static inline int
ath10k_wmi_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu,
dma_addr_t paddr)
{
@@ -1065,6 +1082,29 @@ ath10k_wmi_request_stats(struct ath10k *ar, u32 stats_mask)
}
static inline int
+ath10k_wmi_request_peer_stats_info(struct ath10k *ar,
+ u32 vdev_id,
+ enum wmi_peer_stats_info_request_type type,
+ u8 *addr,
+ u32 reset)
+{
+ struct sk_buff *skb;
+
+ if (!ar->wmi.ops->gen_request_peer_stats_info)
+ return -EOPNOTSUPP;
+
+ skb = ar->wmi.ops->gen_request_peer_stats_info(ar,
+ vdev_id,
+ type,
+ addr,
+ reset);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->request_peer_stats_info_cmdid);
+}
+
+static inline int
ath10k_wmi_force_fw_hang(struct ath10k *ar,
enum wmi_force_fw_hang_type type, u32 delay_ms)
{
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 4e68debda9bf..932266d1111b 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -219,6 +219,91 @@ static void ath10k_wmi_tlv_event_vdev_delete_resp(struct ath10k *ar,
complete(&ar->vdev_delete_done);
}
+static int ath10k_wmi_tlv_parse_peer_stats_info(struct ath10k *ar, u16 tag, u16 len,
+ const void *ptr, void *data)
+{
+ const struct wmi_tlv_peer_stats_info *stat = ptr;
+ struct ieee80211_sta *sta;
+ struct ath10k_sta *arsta;
+
+ if (tag != WMI_TLV_TAG_STRUCT_PEER_STATS_INFO)
+ return -EPROTO;
+
+ ath10k_dbg(ar, ATH10K_DBG_WMI,
+ "wmi tlv stats peer addr %pMF rx rate code 0x%x bit rate %d kbps\n",
+ stat->peer_macaddr.addr,
+ __le32_to_cpu(stat->last_rx_rate_code),
+ __le32_to_cpu(stat->last_rx_bitrate_kbps));
+
+ ath10k_dbg(ar, ATH10K_DBG_WMI,
+ "wmi tlv stats tx rate code 0x%x bit rate %d kbps\n",
+ __le32_to_cpu(stat->last_tx_rate_code),
+ __le32_to_cpu(stat->last_tx_bitrate_kbps));
+
+ sta = ieee80211_find_sta_by_ifaddr(ar->hw, stat->peer_macaddr.addr, NULL);
+ if (!sta) {
+ ath10k_warn(ar, "not found station for peer stats\n");
+ return -EINVAL;
+ }
+
+ arsta = (struct ath10k_sta *)sta->drv_priv;
+ arsta->rx_rate_code = __le32_to_cpu(stat->last_rx_rate_code);
+ arsta->rx_bitrate_kbps = __le32_to_cpu(stat->last_rx_bitrate_kbps);
+ arsta->tx_rate_code = __le32_to_cpu(stat->last_tx_rate_code);
+ arsta->tx_bitrate_kbps = __le32_to_cpu(stat->last_tx_bitrate_kbps);
+
+ return 0;
+}
+
+static int ath10k_wmi_tlv_op_pull_peer_stats_info(struct ath10k *ar,
+ struct sk_buff *skb)
+{
+ const void **tb;
+ const struct wmi_tlv_peer_stats_info_ev *ev;
+ const void *data;
+ u32 num_peer_stats;
+ int ret;
+
+ tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
+ if (IS_ERR(tb)) {
+ ret = PTR_ERR(tb);
+ ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
+ return ret;
+ }
+
+ ev = tb[WMI_TLV_TAG_STRUCT_PEER_STATS_INFO_EVENT];
+ data = tb[WMI_TLV_TAG_ARRAY_STRUCT];
+
+ if (!ev || !data) {
+ kfree(tb);
+ return -EPROTO;
+ }
+
+ num_peer_stats = __le32_to_cpu(ev->num_peers);
+
+ ath10k_dbg(ar, ATH10K_DBG_WMI,
+ "wmi tlv peer stats info update peer vdev id %d peers %i more data %d\n",
+ __le32_to_cpu(ev->vdev_id),
+ num_peer_stats,
+ __le32_to_cpu(ev->more_data));
+
+ ret = ath10k_wmi_tlv_iter(ar, data, ath10k_wmi_tlv_len(data),
+ ath10k_wmi_tlv_parse_peer_stats_info, NULL);
+ if (ret)
+ ath10k_warn(ar, "failed to parse stats info tlv: %d\n", ret);
+
+ kfree(tb);
+ return 0;
+}
+
+static void ath10k_wmi_tlv_event_peer_stats_info(struct ath10k *ar,
+ struct sk_buff *skb)
+{
+ ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_PEER_STATS_INFO_EVENTID\n");
+ ath10k_wmi_tlv_op_pull_peer_stats_info(ar, skb);
+ complete(&ar->peer_stats_info_complete);
+}
+
static int ath10k_wmi_tlv_event_diag_data(struct ath10k *ar,
struct sk_buff *skb)
{
@@ -576,6 +661,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
case WMI_TLV_UPDATE_STATS_EVENTID:
ath10k_wmi_event_update_stats(ar, skb);
break;
+ case WMI_TLV_PEER_STATS_INFO_EVENTID:
+ ath10k_wmi_tlv_event_peer_stats_info(ar, skb);
+ break;
case WMI_TLV_VDEV_START_RESP_EVENTID:
ath10k_wmi_event_vdev_start_resp(ar, skb);
break;
@@ -2123,7 +2211,7 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar,
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_CHANNEL);
tlv->len = __cpu_to_le16(sizeof(*ch));
ch = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(ch, &arg->channel);
+ ath10k_wmi_put_wmi_channel(ar, ch, &arg->channel);
ptr += sizeof(*tlv);
ptr += sizeof(*ch);
@@ -2763,7 +2851,7 @@ ath10k_wmi_tlv_op_gen_scan_chan_list(struct ath10k *ar,
tlv->len = __cpu_to_le16(sizeof(*ci));
ci = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(ci, ch);
+ ath10k_wmi_put_wmi_channel(ar, ci, ch);
chans += sizeof(*tlv);
chans += sizeof(*ci);
@@ -2897,6 +2985,48 @@ ath10k_wmi_tlv_op_gen_request_stats(struct ath10k *ar, u32 stats_mask)
return skb;
}
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_request_peer_stats_info(struct ath10k *ar,
+ u32 vdev_id,
+ enum wmi_peer_stats_info_request_type type,
+ u8 *addr,
+ u32 reset)
+{
+ struct wmi_tlv_request_peer_stats_info *cmd;
+ struct wmi_tlv *tlv;
+ struct sk_buff *skb;
+
+ skb = ath10k_wmi_alloc_skb(ar, sizeof(*tlv) + sizeof(*cmd));
+ if (!skb)
+ return ERR_PTR(-ENOMEM);
+
+ tlv = (void *)skb->data;
+ tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_REQUEST_PEER_STATS_INFO_CMD);
+ tlv->len = __cpu_to_le16(sizeof(*cmd));
+ cmd = (void *)tlv->value;
+ cmd->vdev_id = __cpu_to_le32(vdev_id);
+ cmd->request_type = __cpu_to_le32(type);
+
+ if (type == WMI_REQUEST_ONE_PEER_STATS_INFO)
+ ether_addr_copy(cmd->peer_macaddr.addr, addr);
+
+ cmd->reset_after_request = __cpu_to_le32(reset);
+ ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv request peer stats info\n");
+ return skb;
+}
+
+static int
+ath10k_wmi_tlv_op_cleanup_mgmt_tx_send(struct ath10k *ar,
+ struct sk_buff *msdu)
+{
+ struct ath10k_skb_cb *cb = ATH10K_SKB_CB(msdu);
+ struct ath10k_wmi *wmi = &ar->wmi;
+
+ idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id);
+
+ return 0;
+}
+
static int
ath10k_wmi_mgmt_tx_alloc_msdu_id(struct ath10k *ar, struct sk_buff *skb,
dma_addr_t paddr)
@@ -2971,6 +3101,8 @@ ath10k_wmi_tlv_op_gen_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu,
if (desc_id < 0)
goto err_free_skb;
+ cb->msdu_id = desc_id;
+
ptr = (void *)skb->data;
tlv = ptr;
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_MGMT_TX_CMD);
@@ -3450,7 +3582,7 @@ ath10k_wmi_tlv_op_gen_tdls_peer_update(struct ath10k *ar,
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_CHANNEL);
tlv->len = __cpu_to_le16(sizeof(*chan));
chan = (void *)tlv->value;
- ath10k_wmi_put_wmi_channel(chan, &chan_arg[i]);
+ ath10k_wmi_put_wmi_channel(ar, chan, &chan_arg[i]);
ptr += sizeof(*tlv);
ptr += sizeof(*chan);
@@ -4113,6 +4245,7 @@ static struct wmi_cmd_map wmi_tlv_cmd_map = {
.vdev_spectral_scan_configure_cmdid = WMI_TLV_SPECTRAL_SCAN_CONF_CMDID,
.vdev_spectral_scan_enable_cmdid = WMI_TLV_SPECTRAL_SCAN_ENABLE_CMDID,
.request_stats_cmdid = WMI_TLV_REQUEST_STATS_CMDID,
+ .request_peer_stats_info_cmdid = WMI_TLV_REQUEST_PEER_STATS_INFO_CMDID,
.set_arp_ns_offload_cmdid = WMI_TLV_SET_ARP_NS_OFFLOAD_CMDID,
.network_list_offload_config_cmdid =
WMI_TLV_NETWORK_LIST_OFFLOAD_CONFIG_CMDID,
@@ -4269,6 +4402,7 @@ static struct wmi_pdev_param_map wmi_tlv_pdev_param_map = {
.arp_dstaddr = WMI_PDEV_PARAM_UNSUPPORTED,
.rfkill_config = WMI_TLV_PDEV_PARAM_HW_RFKILL_CONFIG,
.rfkill_enable = WMI_TLV_PDEV_PARAM_RFKILL_ENABLE,
+ .peer_stats_info_enable = WMI_TLV_PDEV_PARAM_PEER_STATS_INFO_ENABLE,
};
static struct wmi_peer_param_map wmi_tlv_peer_param_map = {
@@ -4416,9 +4550,11 @@ static const struct wmi_ops wmi_tlv_ops = {
.gen_beacon_dma = ath10k_wmi_tlv_op_gen_beacon_dma,
.gen_pdev_set_wmm = ath10k_wmi_tlv_op_gen_pdev_set_wmm,
.gen_request_stats = ath10k_wmi_tlv_op_gen_request_stats,
+ .gen_request_peer_stats_info = ath10k_wmi_tlv_op_gen_request_peer_stats_info,
.gen_force_fw_hang = ath10k_wmi_tlv_op_gen_force_fw_hang,
/* .gen_mgmt_tx = not implemented; HTT is used */
.gen_mgmt_tx_send = ath10k_wmi_tlv_op_gen_mgmt_tx_send,
+ .cleanup_mgmt_tx_send = ath10k_wmi_tlv_op_cleanup_mgmt_tx_send,
.gen_dbglog_cfg = ath10k_wmi_tlv_op_gen_dbglog_cfg,
.gen_pktlog_enable = ath10k_wmi_tlv_op_gen_pktlog_enable,
.gen_pktlog_disable = ath10k_wmi_tlv_op_gen_pktlog_disable,
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 4972dc12991c..e77b97ca5c7f 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -198,6 +198,12 @@ enum wmi_tlv_cmd_id {
WMI_TLV_REQUEST_LINK_STATS_CMDID,
WMI_TLV_START_LINK_STATS_CMDID,
WMI_TLV_CLEAR_LINK_STATS_CMDID,
+ WMI_TLV_CGET_FW_MEM_DUMP_CMDID,
+ WMI_TLV_CDEBUG_MESG_FLUSH_CMDID,
+ WMI_TLV_CDIAG_EVENT_LOG_CONFIG_CMDID,
+ WMI_TLV_CREQUEST_WLAN_STATS_CMDID,
+ WMI_TLV_CREQUEST_RCPI_CMDID,
+ WMI_TLV_REQUEST_PEER_STATS_INFO_CMDID,
WMI_TLV_SET_ARP_NS_OFFLOAD_CMDID = WMI_TLV_CMD(WMI_TLV_GRP_ARP_NS_OFL),
WMI_TLV_ADD_PROACTIVE_ARP_RSP_PATTERN_CMDID,
WMI_TLV_DEL_PROACTIVE_ARP_RSP_PATTERN_CMDID,
@@ -338,6 +344,13 @@ enum wmi_tlv_event_id {
WMI_TLV_IFACE_LINK_STATS_EVENTID,
WMI_TLV_PEER_LINK_STATS_EVENTID,
WMI_TLV_RADIO_LINK_STATS_EVENTID,
+ WMI_TLV_UPDATE_FW_MEM_DUMP_EVENTID,
+ WMI_TLV_DIAG_EVENT_LOG_SUPPORTED_EVENTID,
+ WMI_TLV_INST_RSSI_STATS_EVENTID,
+ WMI_TLV_RADIO_TX_POWER_LEVEL_STATS_EVENTID,
+ WMI_TLV_REPORT_STATS_EVENTID,
+ WMI_TLV_UPDATE_RCPI_EVENTID,
+ WMI_TLV_PEER_STATS_INFO_EVENTID,
WMI_TLV_NLO_MATCH_EVENTID = WMI_TLV_EV(WMI_TLV_GRP_NLO_OFL),
WMI_TLV_NLO_SCAN_COMPLETE_EVENTID,
WMI_TLV_APFIND_EVENTID,
@@ -451,6 +464,7 @@ enum wmi_tlv_pdev_param {
WMI_TLV_PDEV_PARAM_VDEV_RATE_STATS_UPDATE_PERIOD,
WMI_TLV_PDEV_PARAM_TXPOWER_REASON_NONE,
WMI_TLV_PDEV_PARAM_TXPOWER_REASON_SAR,
+ WMI_TLV_PDEV_PARAM_PEER_STATS_INFO_ENABLE = 0x8b,
WMI_TLV_PDEV_PARAM_TXPOWER_REASON_MAX,
};
@@ -1623,7 +1637,7 @@ wmi_tlv_svc_map_ext(const __le32 *in, unsigned long *out, size_t len)
struct wmi_tlv {
__le16 len;
__le16 tag;
- u8 value[0];
+ u8 value[];
} __packed;
struct ath10k_mgmt_tx_pkt_addr {
@@ -2023,7 +2037,7 @@ struct wmi_tlv_bcn_tx_status_ev {
struct wmi_tlv_bcn_prb_info {
__le32 caps;
__le32 erp;
- u8 ies[0];
+ u8 ies[];
} __packed;
struct wmi_tlv_bcn_tmpl_cmd {
@@ -2054,7 +2068,7 @@ struct wmi_tlv_diag_item {
__le16 len;
__le32 timestamp;
__le32 code;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct wmi_tlv_diag_data_ev {
@@ -2081,6 +2095,94 @@ struct wmi_tlv_stats_ev {
__le32 num_peer_stats_extd;
} __packed;
+struct wmi_tlv_peer_stats_info_ev {
+ __le32 vdev_id;
+ __le32 num_peers;
+ __le32 more_data;
+} __packed;
+
+#define WMI_TLV_MAX_CHAINS 8
+
+struct wmi_tlv_peer_stats_info {
+ struct wmi_mac_addr peer_macaddr;
+ struct {
+ /* lower 32 bits of the tx_bytes value */
+ __le32 low_32;
+ /* upper 32 bits of the tx_bytes value */
+ __le32 high_32;
+ } __packed tx_bytes;
+ struct {
+ /* lower 32 bits of the tx_packets value */
+ __le32 low_32;
+ /* upper 32 bits of the tx_packets value */
+ __le32 high_32;
+ } __packed tx_packets;
+ struct {
+ /* lower 32 bits of the rx_bytes value */
+ __le32 low_32;
+ /* upper 32 bits of the rx_bytes value */
+ __le32 high_32;
+ } __packed rx_bytes;
+ struct {
+ /* lower 32 bits of the rx_packets value */
+ __le32 low_32;
+ /* upper 32 bits of the rx_packets value */
+ __le32 high_32;
+ } __packed rx_packets;
+ __le32 tx_retries;
+ __le32 tx_failed;
+
+ /* rate information, it is output of WMI_ASSEMBLE_RATECODE_V1
+ * (in format of 0x1000RRRR)
+ * The rate-code is a 4-bytes field in which,
+ * for given rate, nss and preamble
+ *
+ * b'31-b'29 unused / reserved
+ * b'28 indicate the version of rate-code (1 = RATECODE_V1)
+ * b'27-b'11 unused / reserved
+ * b'10-b'8 indicate the preamble (0 OFDM, 1 CCK, 2 HT, 3 VHT)
+ * b'7-b'5 indicate the NSS (0 - 1x1, 1 - 2x2, 2 - 3x3, 3 - 4x4)
+ * b'4-b'0 indicate the rate, which is indicated as follows:
+ * OFDM : 0: OFDM 48 Mbps
+ * 1: OFDM 24 Mbps
+ * 2: OFDM 12 Mbps
+ * 3: OFDM 6 Mbps
+ * 4: OFDM 54 Mbps
+ * 5: OFDM 36 Mbps
+ * 6: OFDM 18 Mbps
+ * 7: OFDM 9 Mbps
+ * CCK (pream == 1)
+ * 0: CCK 11 Mbps Long
+ * 1: CCK 5.5 Mbps Long
+ * 2: CCK 2 Mbps Long
+ * 3: CCK 1 Mbps Long
+ * 4: CCK 11 Mbps Short
+ * 5: CCK 5.5 Mbps Short
+ * 6: CCK 2 Mbps Short
+ * HT/VHT (pream == 2/3)
+ * 0..7: MCS0..MCS7 (HT)
+ * 0..9: MCS0..MCS9 (11AC VHT)
+ * 0..11: MCS0..MCS11 (11AX VHT)
+ * rate-code of the last transmission
+ */
+ __le32 last_tx_rate_code;
+ __le32 last_rx_rate_code;
+ __le32 last_tx_bitrate_kbps;
+ __le32 last_rx_bitrate_kbps;
+ __le32 peer_rssi;
+ __le32 tx_succeed;
+ __le32 peer_rssi_per_chain[WMI_TLV_MAX_CHAINS];
+} __packed;
+
+#define HW_RATECODE_PREAM_V1_MASK GENMASK(10, 8)
+#define WMI_TLV_GET_HW_RC_PREAM_V1(rc) FIELD_GET(HW_RATECODE_PREAM_V1_MASK, rc)
+
+#define HW_RATECODE_NSS_V1_MASK GENMASK(7, 5)
+#define WMI_TLV_GET_HW_RC_NSS_V1(rc) FIELD_GET(HW_RATECODE_NSS_V1_MASK, rc)
+
+#define HW_RATECODE_RATE_V1_MASK GENMASK(4, 0)
+#define WMI_TLV_GET_HW_RC_RATE_V1(rc) FIELD_GET(HW_RATECODE_RATE_V1_MASK, rc)
+
struct wmi_tlv_p2p_noa_ev {
__le32 vdev_id;
} __packed;
@@ -2097,6 +2199,14 @@ struct wmi_tlv_wow_add_del_event_cmd {
__le32 event_bitmap;
} __packed;
+struct wmi_tlv_request_peer_stats_info {
+ __le32 request_type;
+ __le32 vdev_id;
+ /* peer MAC address */
+ struct wmi_mac_addr peer_macaddr;
+ __le32 reset_after_request;
+} __packed;
+
/* Command to set/unset chip in quiet mode */
struct wmi_tlv_set_quiet_cmd {
__le32 vdev_id;
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 2ea77bb880b1..a81a1ab2de19 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -1694,10 +1694,11 @@ static const struct wmi_peer_flags_map wmi_10_2_peer_flags_map = {
.bw160 = WMI_10_2_PEER_160MHZ,
};
-void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
+void ath10k_wmi_put_wmi_channel(struct ath10k *ar, struct wmi_channel *ch,
const struct wmi_channel_arg *arg)
{
u32 flags = 0;
+ struct ieee80211_channel *chan = NULL;
memset(ch, 0, sizeof(*ch));
@@ -1714,12 +1715,39 @@ void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
if (arg->chan_radar)
flags |= WMI_CHAN_FLAG_DFS;
+ ch->band_center_freq2 = 0;
ch->mhz = __cpu_to_le32(arg->freq);
ch->band_center_freq1 = __cpu_to_le32(arg->band_center_freq1);
- if (arg->mode == MODE_11AC_VHT80_80)
+ if (arg->mode == MODE_11AC_VHT80_80) {
ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq2);
- else
- ch->band_center_freq2 = 0;
+ chan = ieee80211_get_channel(ar->hw->wiphy,
+ arg->band_center_freq2 - 10);
+ }
+
+ if (arg->mode == MODE_11AC_VHT160) {
+ u32 band_center_freq1;
+ u32 band_center_freq2;
+
+ if (arg->freq > arg->band_center_freq1) {
+ band_center_freq1 = arg->band_center_freq1 + 40;
+ band_center_freq2 = arg->band_center_freq1 - 40;
+ } else {
+ band_center_freq1 = arg->band_center_freq1 - 40;
+ band_center_freq2 = arg->band_center_freq1 + 40;
+ }
+
+ ch->band_center_freq1 =
+ __cpu_to_le32(band_center_freq1);
+ /* Minus 10 to get a defined 5G channel frequency*/
+ chan = ieee80211_get_channel(ar->hw->wiphy,
+ band_center_freq2 - 10);
+ /* The center frequency of the entire VHT160 */
+ ch->band_center_freq2 = __cpu_to_le32(arg->band_center_freq1);
+ }
+
+ if (chan && chan->flags & IEEE80211_CHAN_RADAR)
+ flags |= WMI_CHAN_FLAG_DFS_CFREQ2;
+
ch->min_power = arg->min_power;
ch->max_power = arg->max_power;
ch->reg_power = arg->max_reg_power;
@@ -7165,7 +7193,7 @@ ath10k_wmi_op_gen_vdev_start(struct ath10k *ar,
memcpy(cmd->ssid.ssid, arg->ssid, arg->ssid_len);
}
- ath10k_wmi_put_wmi_channel(&cmd->chan, &arg->channel);
+ ath10k_wmi_put_wmi_channel(ar, &cmd->chan, &arg->channel);
ath10k_dbg(ar, ATH10K_DBG_WMI,
"wmi vdev %s id 0x%x flags: 0x%0X, freq %d, mode %d, ch_flags: 0x%0X, max_power: %d\n",
@@ -7537,7 +7565,7 @@ ath10k_wmi_op_gen_scan_chan_list(struct ath10k *ar,
ch = &arg->channels[i];
ci = &cmd->chan_info[i];
- ath10k_wmi_put_wmi_channel(ci, ch);
+ ath10k_wmi_put_wmi_channel(ar, ci, ch);
}
return skb;
@@ -7628,12 +7656,8 @@ ath10k_wmi_peer_assoc_fill_10_4(struct ath10k *ar, void *buf,
struct wmi_10_4_peer_assoc_complete_cmd *cmd = buf;
ath10k_wmi_peer_assoc_fill_10_2(ar, buf, arg);
- if (arg->peer_bw_rxnss_override)
- cmd->peer_bw_rxnss_override =
- __cpu_to_le32((arg->peer_bw_rxnss_override - 1) |
- BIT(PEER_BW_RXNSS_OVERRIDE_OFFSET));
- else
- cmd->peer_bw_rxnss_override = 0;
+ cmd->peer_bw_rxnss_override =
+ __cpu_to_le32(arg->peer_bw_rxnss_override);
}
static int
@@ -8312,7 +8336,7 @@ ath10k_wmi_fw_pdev_rx_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
"MPDUs delivered to stack", pdev->loc_mpdus);
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
- "Oversized AMSUs", pdev->oversize_amsdu);
+ "Oversized AMSDUs", pdev->oversize_amsdu);
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
"PHY errors", pdev->phy_errs);
len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
@@ -8945,7 +8969,7 @@ ath10k_wmi_10_4_gen_tdls_peer_update(struct ath10k *ar,
for (i = 0; i < cap->peer_chan_len; i++) {
chan = (struct wmi_channel *)&peer_cap->peer_chan_list[i];
- ath10k_wmi_put_wmi_channel(chan, &chan_arg[i]);
+ ath10k_wmi_put_wmi_channel(ar, chan, &chan_arg[i]);
}
ath10k_dbg(ar, ATH10K_DBG_WMI,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 6df415778374..511144b36231 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -940,6 +940,7 @@ struct wmi_cmd_map {
u32 vdev_spectral_scan_configure_cmdid;
u32 vdev_spectral_scan_enable_cmdid;
u32 request_stats_cmdid;
+ u32 request_peer_stats_info_cmdid;
u32 set_arp_ns_offload_cmdid;
u32 network_list_offload_config_cmdid;
u32 gtk_offload_cmdid;
@@ -2094,7 +2095,8 @@ enum wmi_channel_change_cause {
/* Indicate reason for channel switch */
#define WMI_CHANNEL_CHANGE_CAUSE_CSA (1 << 13)
-
+/* DFS required on channel for 2nd segment of VHT160 and VHT80+80*/
+#define WMI_CHAN_FLAG_DFS_CFREQ2 (1 << 15)
#define WMI_MAX_SPATIAL_STREAM 3 /* default max ss */
/* HT Capabilities*/
@@ -2290,7 +2292,7 @@ struct wmi_service_ready_event {
* where FW can access this memory directly (or) by DMA.
*/
__le32 num_mem_reqs;
- struct wlan_host_mem_req mem_reqs[0];
+ struct wlan_host_mem_req mem_reqs[];
} __packed;
/* This is the definition from 10.X firmware branch */
@@ -2329,7 +2331,7 @@ struct wmi_10x_service_ready_event {
*/
__le32 num_mem_reqs;
- struct wlan_host_mem_req mem_reqs[0];
+ struct wlan_host_mem_req mem_reqs[];
} __packed;
#define WMI_SERVICE_READY_TIMEOUT_HZ (5 * HZ)
@@ -3084,19 +3086,19 @@ struct wmi_chan_list_entry {
struct wmi_chan_list {
__le32 tag; /* WMI_CHAN_LIST_TAG */
__le32 num_chan;
- struct wmi_chan_list_entry channel_list[0];
+ struct wmi_chan_list_entry channel_list[];
} __packed;
struct wmi_bssid_list {
__le32 tag; /* WMI_BSSID_LIST_TAG */
__le32 num_bssid;
- struct wmi_mac_addr bssid_list[0];
+ struct wmi_mac_addr bssid_list[];
} __packed;
struct wmi_ie_data {
__le32 tag; /* WMI_IE_TAG */
__le32 ie_len;
- u8 ie_data[0];
+ u8 ie_data[];
} __packed;
struct wmi_ssid {
@@ -3107,7 +3109,7 @@ struct wmi_ssid {
struct wmi_ssid_list {
__le32 tag; /* WMI_SSID_LIST_TAG */
__le32 num_ssids;
- struct wmi_ssid ssids[0];
+ struct wmi_ssid ssids[];
} __packed;
/* prefix used by scan requestor ids on the host */
@@ -3309,7 +3311,7 @@ struct wmi_stop_scan_arg {
struct wmi_scan_chan_list_cmd {
__le32 num_scan_chans;
- struct wmi_channel chan_info[0];
+ struct wmi_channel chan_info[];
} __packed;
struct wmi_scan_chan_list_arg {
@@ -3393,12 +3395,12 @@ struct wmi_mgmt_rx_hdr_v2 {
struct wmi_mgmt_rx_event_v1 {
struct wmi_mgmt_rx_hdr_v1 hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_mgmt_rx_event_v2 {
struct wmi_mgmt_rx_hdr_v2 hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_10_4_mgmt_rx_hdr {
@@ -3413,7 +3415,7 @@ struct wmi_10_4_mgmt_rx_hdr {
struct wmi_10_4_mgmt_rx_event {
struct wmi_10_4_mgmt_rx_hdr hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_mgmt_rx_ext_info {
@@ -3453,14 +3455,14 @@ struct wmi_phyerr {
__le32 rssi_chains[4];
__le16 nf_chains[4];
__le32 buf_len;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_phyerr_event {
__le32 num_phyerrs;
__le32 tsf_l32;
__le32 tsf_u32;
- struct wmi_phyerr phyerrs[0];
+ struct wmi_phyerr phyerrs[];
} __packed;
struct wmi_10_4_phyerr_event {
@@ -3477,7 +3479,7 @@ struct wmi_10_4_phyerr_event {
__le32 phy_err_mask[2];
__le32 tsf_timestamp;
__le32 buf_len;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_radar_found_info {
@@ -3590,7 +3592,7 @@ struct wmi_mgmt_tx_hdr {
struct wmi_mgmt_tx_cmd {
struct wmi_mgmt_tx_hdr hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_echo_event {
@@ -3797,6 +3799,7 @@ struct wmi_pdev_param_map {
u32 enable_btcoex;
u32 rfkill_config;
u32 rfkill_enable;
+ u32 peer_stats_info_enable;
};
#define WMI_PDEV_PARAM_UNSUPPORTED 0
@@ -4577,6 +4580,13 @@ struct wmi_request_stats_cmd {
struct wlan_inst_rssi_args inst_rssi_args;
} __packed;
+enum wmi_peer_stats_info_request_type {
+ /* request stats of one specified peer */
+ WMI_REQUEST_ONE_PEER_STATS_INFO = 0x01,
+ /* request stats of all peers belong to specified VDEV */
+ WMI_REQUEST_VDEV_ALL_PEER_STATS_INFO = 0x02,
+};
+
/* Suspend option */
enum {
/* suspend */
@@ -4618,7 +4628,7 @@ struct wmi_stats_event {
* By having a zero sized array, the pointer to data area
* becomes available without increasing the struct size
*/
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_10_2_stats_event {
@@ -4628,7 +4638,7 @@ struct wmi_10_2_stats_event {
__le32 num_vdev_stats;
__le32 num_peer_stats;
__le32 num_bcnflt_stats;
- u8 data[0];
+ u8 data[];
} __packed;
/*
@@ -5023,7 +5033,7 @@ struct wmi_vdev_install_key_cmd {
__le32 key_rxmic_len;
/* contains key followed by tx mic followed by rx mic */
- u8 key_data[0];
+ u8 key_data[];
} __packed;
struct wmi_vdev_install_key_arg {
@@ -5693,7 +5703,7 @@ struct wmi_bcn_tx_hdr {
struct wmi_bcn_tx_cmd {
struct wmi_bcn_tx_hdr hdr;
- u8 *bcn[0];
+ u8 *bcn[];
} __packed;
struct wmi_bcn_tx_arg {
@@ -6110,7 +6120,7 @@ struct wmi_bcn_info {
struct wmi_host_swba_event {
__le32 vdev_map;
- struct wmi_bcn_info bcn_info[0];
+ struct wmi_bcn_info bcn_info[];
} __packed;
struct wmi_10_2_4_bcn_info {
@@ -6120,7 +6130,7 @@ struct wmi_10_2_4_bcn_info {
struct wmi_10_2_4_host_swba_event {
__le32 vdev_map;
- struct wmi_10_2_4_bcn_info bcn_info[0];
+ struct wmi_10_2_4_bcn_info bcn_info[];
} __packed;
/* 16 words = 512 client + 1 word = for guard */
@@ -6161,7 +6171,7 @@ struct wmi_10_4_bcn_info {
struct wmi_10_4_host_swba_event {
__le32 vdev_map;
- struct wmi_10_4_bcn_info bcn_info[0];
+ struct wmi_10_4_bcn_info bcn_info[];
} __packed;
#define WMI_MAX_AP_VDEV 16
@@ -6508,7 +6518,10 @@ struct wmi_10_2_peer_assoc_complete_cmd {
__le32 info0; /* WMI_PEER_ASSOC_INFO0_ */
} __packed;
-#define PEER_BW_RXNSS_OVERRIDE_OFFSET 31
+/* NSS Mapping to FW */
+#define WMI_PEER_NSS_MAP_ENABLE BIT(31)
+#define WMI_PEER_NSS_160MHZ_MASK GENMASK(2, 0)
+#define WMI_PEER_NSS_80_80MHZ_MASK GENMASK(5, 3)
struct wmi_10_4_peer_assoc_complete_cmd {
struct wmi_10_2_peer_assoc_complete_cmd cmd;
@@ -7348,7 +7361,7 @@ void ath10k_wmi_put_start_scan_common(struct wmi_start_scan_common *cmn,
const struct wmi_start_scan_arg *arg);
void ath10k_wmi_set_wmm_param(struct wmi_wmm_params *params,
const struct wmi_wmm_params_arg *arg);
-void ath10k_wmi_put_wmi_channel(struct wmi_channel *ch,
+void ath10k_wmi_put_wmi_channel(struct ath10k *ar, struct wmi_channel *ch,
const struct wmi_channel_arg *arg);
int ath10k_wmi_start_scan_verify(const struct wmi_start_scan_arg *arg);
diff --git a/drivers/net/wireless/ath/ath11k/ahb.c b/drivers/net/wireless/ath/ath11k/ahb.c
index 59342d2797ca..30092841ac46 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.c
+++ b/drivers/net/wireless/ath/ath11k/ahb.c
@@ -10,6 +10,7 @@
#include <linux/dma-mapping.h>
#include "ahb.h"
#include "debug.h"
+#include "hif.h"
#include <linux/remoteproc.h>
static const struct of_device_id ath11k_ahb_of_match[] = {
@@ -434,6 +435,16 @@ enum ext_irq_num {
tcl2host_status_ring,
};
+static inline u32 ath11k_ahb_read32(struct ath11k_base *ab, u32 offset)
+{
+ return ioread32(ab->mem + offset);
+}
+
+static inline void ath11k_ahb_write32(struct ath11k_base *ab, u32 offset, u32 value)
+{
+ iowrite32(value, ab->mem + offset);
+}
+
static void ath11k_ahb_kill_tasklets(struct ath11k_base *ab)
{
int i;
@@ -575,7 +586,7 @@ static void ath11k_ahb_ce_irqs_disable(struct ath11k_base *ab)
}
}
-int ath11k_ahb_start(struct ath11k_base *ab)
+static int ath11k_ahb_start(struct ath11k_base *ab)
{
ath11k_ahb_ce_irqs_enable(ab);
ath11k_ce_rx_post_buf(ab);
@@ -583,7 +594,7 @@ int ath11k_ahb_start(struct ath11k_base *ab)
return 0;
}
-void ath11k_ahb_ext_irq_enable(struct ath11k_base *ab)
+static void ath11k_ahb_ext_irq_enable(struct ath11k_base *ab)
{
int i;
@@ -595,13 +606,13 @@ void ath11k_ahb_ext_irq_enable(struct ath11k_base *ab)
}
}
-void ath11k_ahb_ext_irq_disable(struct ath11k_base *ab)
+static void ath11k_ahb_ext_irq_disable(struct ath11k_base *ab)
{
__ath11k_ahb_ext_irq_disable(ab);
ath11k_ahb_sync_ext_irqs(ab);
}
-void ath11k_ahb_stop(struct ath11k_base *ab)
+static void ath11k_ahb_stop(struct ath11k_base *ab)
{
if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
ath11k_ahb_ce_irqs_disable(ab);
@@ -611,7 +622,7 @@ void ath11k_ahb_stop(struct ath11k_base *ab)
ath11k_ce_cleanup_pipes(ab);
}
-int ath11k_ahb_power_up(struct ath11k_base *ab)
+static int ath11k_ahb_power_up(struct ath11k_base *ab)
{
int ret;
@@ -622,7 +633,7 @@ int ath11k_ahb_power_up(struct ath11k_base *ab)
return ret;
}
-void ath11k_ahb_power_down(struct ath11k_base *ab)
+static void ath11k_ahb_power_down(struct ath11k_base *ab)
{
rproc_shutdown(ab->tgt_rproc);
}
@@ -788,7 +799,7 @@ static int ath11k_ahb_ext_irq_config(struct ath11k_base *ab)
irq = platform_get_irq_byname(ab->pdev,
irq_name[irq_idx]);
ab->irq_num[irq_idx] = irq;
- irq_set_status_flags(irq, IRQ_NOAUTOEN);
+ irq_set_status_flags(irq, IRQ_NOAUTOEN | IRQ_DISABLE_UNLAZY);
ret = request_irq(irq, ath11k_ahb_ext_interrupt_handler,
IRQF_TRIGGER_RISING,
irq_name[irq_idx], irq_grp);
@@ -834,8 +845,8 @@ static int ath11k_ahb_config_irq(struct ath11k_base *ab)
return ret;
}
-int ath11k_ahb_map_service_to_pipe(struct ath11k_base *ab, u16 service_id,
- u8 *ul_pipe, u8 *dl_pipe)
+static int ath11k_ahb_map_service_to_pipe(struct ath11k_base *ab, u16 service_id,
+ u8 *ul_pipe, u8 *dl_pipe)
{
const struct service_to_pipe *entry;
bool ul_set = false, dl_set = false;
@@ -877,6 +888,18 @@ int ath11k_ahb_map_service_to_pipe(struct ath11k_base *ab, u16 service_id,
return 0;
}
+static const struct ath11k_hif_ops ath11k_ahb_hif_ops = {
+ .start = ath11k_ahb_start,
+ .stop = ath11k_ahb_stop,
+ .read32 = ath11k_ahb_read32,
+ .write32 = ath11k_ahb_write32,
+ .irq_enable = ath11k_ahb_ext_irq_enable,
+ .irq_disable = ath11k_ahb_ext_irq_disable,
+ .map_service_to_pipe = ath11k_ahb_map_service_to_pipe,
+ .power_down = ath11k_ahb_power_down,
+ .power_up = ath11k_ahb_power_up,
+};
+
static int ath11k_ahb_probe(struct platform_device *pdev)
{
struct ath11k_base *ab;
@@ -891,13 +914,7 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
return -EINVAL;
}
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem_res) {
- dev_err(&pdev->dev, "failed to get IO memory resource\n");
- return -ENXIO;
- }
-
- mem = devm_ioremap_resource(&pdev->dev, mem_res);
+ mem = devm_platform_get_and_ioremap_resource(pdev, 0, &mem_res);
if (IS_ERR(mem)) {
dev_err(&pdev->dev, "ioremap error\n");
return PTR_ERR(mem);
@@ -909,12 +926,13 @@ static int ath11k_ahb_probe(struct platform_device *pdev)
return ret;
}
- ab = ath11k_core_alloc(&pdev->dev);
+ ab = ath11k_core_alloc(&pdev->dev, 0, ATH11K_BUS_AHB);
if (!ab) {
dev_err(&pdev->dev, "failed to allocate ath11k base\n");
return -ENOMEM;
}
+ ab->hif.ops = &ath11k_ahb_hif_ops;
ab->pdev = pdev;
ab->hw_rev = (enum ath11k_hw_rev)of_id->data;
ab->mem = mem;
@@ -993,12 +1011,17 @@ static struct platform_driver ath11k_ahb_driver = {
.remove = ath11k_ahb_remove,
};
-int ath11k_ahb_init(void)
+static int ath11k_ahb_init(void)
{
return platform_driver_register(&ath11k_ahb_driver);
}
+module_init(ath11k_ahb_init);
-void ath11k_ahb_exit(void)
+static void ath11k_ahb_exit(void)
{
platform_driver_unregister(&ath11k_ahb_driver);
}
+module_exit(ath11k_ahb_exit);
+
+MODULE_DESCRIPTION("Driver support for Qualcomm Technologies 802.11ax wireless chip");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/ath/ath11k/ahb.h b/drivers/net/wireless/ath/ath11k/ahb.h
index 93f46dfe22df..6c7b26ac6545 100644
--- a/drivers/net/wireless/ath/ath11k/ahb.h
+++ b/drivers/net/wireless/ath/ath11k/ahb.h
@@ -10,26 +10,4 @@
#define ATH11K_AHB_RECOVERY_TIMEOUT (3 * HZ)
struct ath11k_base;
-static inline u32 ath11k_ahb_read32(struct ath11k_base *ab, u32 offset)
-{
- return ioread32(ab->mem + offset);
-}
-
-static inline void ath11k_ahb_write32(struct ath11k_base *ab, u32 offset, u32 value)
-{
- iowrite32(value, ab->mem + offset);
-}
-
-void ath11k_ahb_ext_irq_enable(struct ath11k_base *ab);
-void ath11k_ahb_ext_irq_disable(struct ath11k_base *ab);
-int ath11k_ahb_start(struct ath11k_base *ab);
-void ath11k_ahb_stop(struct ath11k_base *ab);
-int ath11k_ahb_power_up(struct ath11k_base *ab);
-void ath11k_ahb_power_down(struct ath11k_base *ab);
-int ath11k_ahb_map_service_to_pipe(struct ath11k_base *ab, u16 service_id,
- u8 *ul_pipe, u8 *dl_pipe);
-
-int ath11k_ahb_init(void);
-void ath11k_ahb_exit(void);
-
#endif
diff --git a/drivers/net/wireless/ath/ath11k/core.c b/drivers/net/wireless/ath/ath11k/core.c
index bf5657d2ae18..02501cc154fe 100644
--- a/drivers/net/wireless/ath/ath11k/core.c
+++ b/drivers/net/wireless/ath/ath11k/core.c
@@ -7,11 +7,11 @@
#include <linux/slab.h>
#include <linux/remoteproc.h>
#include <linux/firmware.h>
-#include "ahb.h"
#include "core.h"
#include "dp_tx.h"
#include "dp_rx.h"
#include "debug.h"
+#include "hif.h"
unsigned int ath11k_debug_mask;
module_param_named(debug_mask, ath11k_debug_mask, uint, 0644);
@@ -41,6 +41,7 @@ u8 ath11k_core_get_hw_mac_id(struct ath11k_base *ab, int pdev_idx)
return ATH11K_INVALID_HW_MAC_ID;
}
}
+EXPORT_SYMBOL(ath11k_core_get_hw_mac_id);
static int ath11k_core_create_board_name(struct ath11k_base *ab, char *name,
size_t name_len)
@@ -324,7 +325,7 @@ static void ath11k_core_stop(struct ath11k_base *ab)
{
if (!test_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags))
ath11k_qmi_firmware_stop(ab);
- ath11k_ahb_stop(ab);
+ ath11k_hif_stop(ab);
ath11k_wmi_detach(ab);
ath11k_dp_pdev_reo_cleanup(ab);
@@ -347,7 +348,7 @@ static int ath11k_core_soc_create(struct ath11k_base *ab)
goto err_qmi_deinit;
}
- ret = ath11k_ahb_power_up(ab);
+ ret = ath11k_hif_power_up(ab);
if (ret) {
ath11k_err(ab, "failed to power up :%d\n", ret);
goto err_debugfs_reg;
@@ -415,7 +416,7 @@ static void ath11k_core_pdev_destroy(struct ath11k_base *ab)
{
ath11k_thermal_unregister(ab);
ath11k_mac_unregister(ab);
- ath11k_ahb_ext_irq_disable(ab);
+ ath11k_hif_irq_disable(ab);
ath11k_dp_pdev_free(ab);
ath11k_debug_pdev_destroy(ab);
}
@@ -443,7 +444,7 @@ static int ath11k_core_start(struct ath11k_base *ab,
goto err_wmi_detach;
}
- ret = ath11k_ahb_start(ab);
+ ret = ath11k_hif_start(ab);
if (ret) {
ath11k_err(ab, "failed to start HIF: %d\n", ret);
goto err_wmi_detach;
@@ -522,7 +523,7 @@ err_reo_cleanup:
err_mac_destroy:
ath11k_mac_destroy(ab);
err_hif_stop:
- ath11k_ahb_stop(ab);
+ ath11k_hif_stop(ab);
err_wmi_detach:
ath11k_wmi_detach(ab);
err_firmware_stop:
@@ -559,7 +560,7 @@ int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab)
ath11k_err(ab, "failed to create pdev core: %d\n", ret);
goto err_core_stop;
}
- ath11k_ahb_ext_irq_enable(ab);
+ ath11k_hif_irq_enable(ab);
mutex_unlock(&ab->core_lock);
return 0;
@@ -579,9 +580,9 @@ static int ath11k_core_reconfigure_on_crash(struct ath11k_base *ab)
mutex_lock(&ab->core_lock);
ath11k_thermal_unregister(ab);
- ath11k_ahb_ext_irq_disable(ab);
+ ath11k_hif_irq_disable(ab);
ath11k_dp_pdev_free(ab);
- ath11k_ahb_stop(ab);
+ ath11k_hif_stop(ab);
ath11k_wmi_detach(ab);
ath11k_dp_pdev_reo_cleanup(ab);
mutex_unlock(&ab->core_lock);
@@ -744,7 +745,7 @@ void ath11k_core_deinit(struct ath11k_base *ab)
mutex_unlock(&ab->core_lock);
- ath11k_ahb_power_down(ab);
+ ath11k_hif_power_down(ab);
ath11k_mac_destroy(ab);
ath11k_core_soc_destroy(ab);
}
@@ -754,11 +755,12 @@ void ath11k_core_free(struct ath11k_base *ab)
kfree(ab);
}
-struct ath11k_base *ath11k_core_alloc(struct device *dev)
+struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
+ enum ath11k_bus bus)
{
struct ath11k_base *ab;
- ab = kzalloc(sizeof(*ab), GFP_KERNEL);
+ ab = kzalloc(sizeof(*ab) + priv_size, GFP_KERNEL);
if (!ab)
return NULL;
@@ -784,24 +786,3 @@ err_sc_free:
kfree(ab);
return NULL;
}
-
-static int __init ath11k_init(void)
-{
- int ret;
-
- ret = ath11k_ahb_init();
- if (ret)
- printk(KERN_ERR "failed to register ath11k ahb driver: %d\n",
- ret);
- return ret;
-}
-module_init(ath11k_init);
-
-static void __exit ath11k_exit(void)
-{
- ath11k_ahb_exit();
-}
-module_exit(ath11k_exit);
-
-MODULE_DESCRIPTION("Driver support for Qualcomm Technologies 802.11ax wireless chip");
-MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 6e7b8ecd09a6..e04f0e711779 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -60,9 +60,14 @@ static inline enum wme_ac ath11k_tid_to_ac(u32 tid)
WME_AC_VO);
}
+enum ath11k_skb_flags {
+ ATH11K_SKB_HW_80211_ENCAP = BIT(0),
+};
+
struct ath11k_skb_cb {
dma_addr_t paddr;
u8 eid;
+ u8 flags;
struct ath11k *ar;
struct ieee80211_vif *vif;
} __packed;
@@ -341,6 +346,11 @@ struct ath11k_sta {
u8 rssi_comb;
struct ath11k_htt_tx_stats *tx_stats;
struct ath11k_rx_peer_stats *rx_stats;
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+ /* protected by conf_mutex */
+ bool aggr_mode;
+#endif
};
#define ATH11K_NUM_CHANS 41
@@ -387,6 +397,7 @@ struct ath11k_debug {
u32 pktlog_mode;
u32 pktlog_peer_valid;
u8 pktlog_peer_addr[ETH_ALEN];
+ u32 rx_filter;
};
struct ath11k_per_peer_tx_stats {
@@ -596,7 +607,9 @@ struct ath11k_base {
void __iomem *mem;
unsigned long mem_len;
- const struct ath11k_hif_ops *hif_ops;
+ struct {
+ const struct ath11k_hif_ops *ops;
+ } hif;
struct ath11k_ce ce;
struct timer_list rx_replenish_retry;
@@ -650,6 +663,13 @@ struct ath11k_base {
/* protected by data_lock */
u32 fw_crash_counter;
} stats;
+ u32 pktlog_defs_checksum;
+
+ /* Round robbin based TCL ring selector */
+ atomic_t tcl_ring_selector;
+
+ /* must be last */
+ u8 drv_priv[0] __aligned(sizeof(void *));
};
struct ath11k_fw_stats_pdev {
@@ -786,7 +806,8 @@ struct ath11k_peer *ath11k_peer_find_by_id(struct ath11k_base *ab, int peer_id);
int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab);
int ath11k_core_init(struct ath11k_base *ath11k);
void ath11k_core_deinit(struct ath11k_base *ath11k);
-struct ath11k_base *ath11k_core_alloc(struct device *dev);
+struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
+ enum ath11k_bus bus);
void ath11k_core_free(struct ath11k_base *ath11k);
int ath11k_core_fetch_bdf(struct ath11k_base *ath11k,
struct ath11k_board_data *bd);
diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c
index 8d485171b0b3..3fd6b5af073b 100644
--- a/drivers/net/wireless/ath/ath11k/debug.c
+++ b/drivers/net/wireless/ath/ath11k/debug.c
@@ -195,7 +195,7 @@ void ath11k_debug_fw_stats_process(struct ath11k_base *ab, struct sk_buff *skb)
total_vdevs_started += ar->num_started_vdevs;
}
- is_end = ((++num_vdev) == total_vdevs_started ? true : false);
+ is_end = ((++num_vdev) == total_vdevs_started);
list_splice_tail_init(&stats.vdevs,
&ar->debug.fw_stats.vdevs);
@@ -215,7 +215,7 @@ void ath11k_debug_fw_stats_process(struct ath11k_base *ab, struct sk_buff *skb)
/* Mark end until we reached the count of all started VDEVs
* within the PDEV
*/
- is_end = ((++num_bcn) == ar->num_started_vdevs ? true : false);
+ is_end = ((++num_bcn) == ar->num_started_vdevs);
list_splice_tail_init(&stats.bcn,
&ar->debug.fw_stats.bcn);
@@ -698,6 +698,8 @@ static ssize_t ath11k_write_extd_rx_stats(struct file *file,
tlv_filter = ath11k_mac_mon_status_filter_default;
}
+ ar->debug.rx_filter = tlv_filter.rx_filter;
+
ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id;
ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id,
HAL_RXDMA_MONITOR_STATUS,
@@ -803,6 +805,9 @@ static const struct file_operations fops_soc_rx_stats = {
int ath11k_debug_pdev_create(struct ath11k_base *ab)
{
+ if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+ return 0;
+
ab->debugfs_soc = debugfs_create_dir(ab->hw_params.name, ab->debugfs_ath11k);
if (IS_ERR_OR_NULL(ab->debugfs_soc)) {
diff --git a/drivers/net/wireless/ath/ath11k/debug.h b/drivers/net/wireless/ath/ath11k/debug.h
index 97e7306c506d..c30085406bfb 100644
--- a/drivers/net/wireless/ath/ath11k/debug.h
+++ b/drivers/net/wireless/ath/ath11k/debug.h
@@ -67,7 +67,7 @@ struct debug_htt_stats_req {
u8 peer_addr[ETH_ALEN];
struct completion cmpln;
u32 buf_len;
- u8 buf[0];
+ u8 buf[];
};
struct ath_pktlog_hdr {
@@ -77,9 +77,11 @@ struct ath_pktlog_hdr {
u16 size;
u32 timestamp;
u32 type_specific_data;
- u8 payload[0];
+ u8 payload[];
};
+#define ATH11K_HTT_PEER_STATS_RESET BIT(16)
+
#define ATH11K_HTT_STATS_BUF_SIZE (1024 * 512)
#define ATH11K_FW_STATS_BUF_SIZE (1024 * 1024)
@@ -112,6 +114,12 @@ enum ath11k_pktlog_enum {
ATH11K_PKTLOG_TYPE_LITE_RX = 24,
};
+enum ath11k_dbg_aggr_mode {
+ ATH11K_DBG_AGGR_MODE_AUTO,
+ ATH11K_DBG_AGGR_MODE_MANUAL,
+ ATH11K_DBG_AGGR_MODE_MAX,
+};
+
__printf(2, 3) void ath11k_info(struct ath11k_base *ab, const char *fmt, ...);
__printf(2, 3) void ath11k_err(struct ath11k_base *ab, const char *fmt, ...);
__printf(2, 3) void ath11k_warn(struct ath11k_base *ab, const char *fmt, ...);
@@ -182,6 +190,11 @@ static inline int ath11k_debug_is_extd_rx_stats_enabled(struct ath11k *ar)
return ar->debug.extd_rx_stats;
}
+static inline int ath11k_debug_rx_filter(struct ath11k *ar)
+{
+ return ar->debug.rx_filter;
+}
+
void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir);
void
@@ -263,6 +276,11 @@ static inline bool ath11k_debug_is_pktlog_peer_valid(struct ath11k *ar, u8 *addr
return false;
}
+static inline int ath11k_debug_rx_filter(struct ath11k *ar)
+{
+ return 0;
+}
+
static inline void
ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
struct ath11k_per_peer_tx_stats *peer_stats,
diff --git a/drivers/net/wireless/ath/ath11k/debug_htt_stats.c b/drivers/net/wireless/ath/ath11k/debug_htt_stats.c
index 5db0c27de475..6b532dc99c98 100644
--- a/drivers/net/wireless/ath/ath11k/debug_htt_stats.c
+++ b/drivers/net/wireless/ath/ath11k/debug_htt_stats.c
@@ -4306,6 +4306,7 @@ void ath11k_dbg_htt_ext_stats_handler(struct ath11k_base *ab,
u32 len;
u64 cookie;
int ret;
+ bool send_completion = false;
u8 pdev_id;
msg = (struct ath11k_htt_extd_stats_msg *)skb->data;
@@ -4330,11 +4331,11 @@ void ath11k_dbg_htt_ext_stats_handler(struct ath11k_base *ab,
return;
spin_lock_bh(&ar->debug.htt_stats.lock);
- if (stats_req->done) {
- spin_unlock_bh(&ar->debug.htt_stats.lock);
- return;
- }
- stats_req->done = true;
+
+ stats_req->done = FIELD_GET(HTT_T2H_EXT_STATS_INFO1_DONE, msg->info1);
+ if (stats_req->done)
+ send_completion = true;
+
spin_unlock_bh(&ar->debug.htt_stats.lock);
len = FIELD_GET(HTT_T2H_EXT_STATS_INFO1_LENGTH, msg->info1);
@@ -4344,7 +4345,8 @@ void ath11k_dbg_htt_ext_stats_handler(struct ath11k_base *ab,
if (ret)
ath11k_warn(ab, "Failed to parse tlv %d\n", ret);
- complete(&stats_req->cmpln);
+ if (send_completion)
+ complete(&stats_req->cmpln);
}
static ssize_t ath11k_read_htt_stats_type(struct file *file,
@@ -4497,28 +4499,54 @@ static int ath11k_open_htt_stats(struct inode *inode, struct file *file)
if (type == ATH11K_DBG_HTT_EXT_STATS_RESET)
return -EPERM;
+ mutex_lock(&ar->conf_mutex);
+
+ if (ar->state != ATH11K_STATE_ON) {
+ ret = -ENETDOWN;
+ goto err_unlock;
+ }
+
+ if (ar->debug.htt_stats.stats_req) {
+ ret = -EAGAIN;
+ goto err_unlock;
+ }
+
stats_req = vzalloc(sizeof(*stats_req) + ATH11K_HTT_STATS_BUF_SIZE);
- if (!stats_req)
- return -ENOMEM;
+ if (!stats_req) {
+ ret = -ENOMEM;
+ goto err_unlock;
+ }
- mutex_lock(&ar->conf_mutex);
ar->debug.htt_stats.stats_req = stats_req;
stats_req->type = type;
+
ret = ath11k_dbg_htt_stats_req(ar);
- mutex_unlock(&ar->conf_mutex);
if (ret < 0)
goto out;
file->private_data = stats_req;
+
+ mutex_unlock(&ar->conf_mutex);
+
return 0;
out:
vfree(stats_req);
+ ar->debug.htt_stats.stats_req = NULL;
+err_unlock:
+ mutex_unlock(&ar->conf_mutex);
+
return ret;
}
static int ath11k_release_htt_stats(struct inode *inode, struct file *file)
{
+ struct ath11k *ar = inode->i_private;
+
+ mutex_lock(&ar->conf_mutex);
vfree(file->private_data);
+ ar->debug.htt_stats.stats_req = NULL;
+ mutex_unlock(&ar->conf_mutex);
+
return 0;
}
diff --git a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
index 23a6baa9e95a..682a6ff222bd 100644
--- a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
+++ b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
@@ -239,7 +239,7 @@ struct htt_tx_pdev_stats_tx_ppdu_stats_tlv_v {
*/
struct htt_tx_pdev_stats_tried_mpdu_cnt_hist_tlv_v {
u32 hist_bin_size;
- u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
+ u32 tried_mpdu_cnt_hist[]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
};
/* == SOC ERROR STATS == */
@@ -550,7 +550,7 @@ struct htt_tx_hwq_stats_cmn_tlv {
struct htt_tx_hwq_difs_latency_stats_tlv_v {
u32 hist_intvl;
/* histogram of ppdu post to hwsch - > cmd status received */
- u32 difs_latency_hist[0]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
+ u32 difs_latency_hist[]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
};
/* NOTE: Variable length TLV, use length spec to infer array size */
@@ -586,7 +586,7 @@ struct htt_tx_hwq_fes_result_stats_tlv_v {
struct htt_tx_hwq_tried_mpdu_cnt_hist_tlv_v {
u32 hist_bin_size;
/* Histogram of number of mpdus on tried mpdu */
- u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
+ u32 tried_mpdu_cnt_hist[]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
};
/* NOTE: Variable length TLV, use length spec to infer array size
@@ -1584,7 +1584,7 @@ struct htt_pdev_stats_twt_session_tlv {
struct htt_pdev_stats_twt_sessions_tlv {
u32 pdev_id;
u32 num_sessions;
- struct htt_pdev_stats_twt_session_tlv twt_session[0];
+ struct htt_pdev_stats_twt_session_tlv twt_session[];
};
enum htt_rx_reo_resource_sample_id_enum {
diff --git a/drivers/net/wireless/ath/ath11k/debugfs_sta.c b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
index 389dac219238..7308ed254232 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
@@ -8,6 +8,8 @@
#include "core.h"
#include "peer.h"
#include "debug.h"
+#include "dp_tx.h"
+#include "debug_htt_stats.h"
void
ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
@@ -435,13 +437,22 @@ ath11k_dbg_sta_open_htt_peer_stats(struct inode *inode, struct file *file)
return 0;
out:
vfree(stats_req);
+ ar->debug.htt_stats.stats_req = NULL;
return ret;
}
static int
ath11k_dbg_sta_release_htt_peer_stats(struct inode *inode, struct file *file)
{
+ struct ieee80211_sta *sta = inode->i_private;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+
+ mutex_lock(&ar->conf_mutex);
vfree(file->private_data);
+ ar->debug.htt_stats.stats_req = NULL;
+ mutex_unlock(&ar->conf_mutex);
+
return 0;
}
@@ -533,6 +544,282 @@ static const struct file_operations fops_peer_pktlog = {
.llseek = default_llseek,
};
+static ssize_t ath11k_dbg_sta_write_delba(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ u32 tid, initiator, reason;
+ int ret;
+ char buf[64] = {0};
+
+ ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+ user_buf, count);
+ if (ret <= 0)
+ return ret;
+
+ ret = sscanf(buf, "%u %u %u", &tid, &initiator, &reason);
+ if (ret != 3)
+ return -EINVAL;
+
+ /* Valid TID values are 0 through 15 */
+ if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH11K_STATE_ON ||
+ arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
+ ret = count;
+ goto out;
+ }
+
+ ret = ath11k_wmi_delba_send(ar, arsta->arvif->vdev_id, sta->addr,
+ tid, initiator, reason);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send delba: vdev_id %u peer %pM tid %u initiator %u reason %u\n",
+ arsta->arvif->vdev_id, sta->addr, tid, initiator,
+ reason);
+ }
+ ret = count;
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_delba = {
+ .write = ath11k_dbg_sta_write_delba,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath11k_dbg_sta_write_addba_resp(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ u32 tid, status;
+ int ret;
+ char buf[64] = {0};
+
+ ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+ user_buf, count);
+ if (ret <= 0)
+ return ret;
+
+ ret = sscanf(buf, "%u %u", &tid, &status);
+ if (ret != 2)
+ return -EINVAL;
+
+ /* Valid TID values are 0 through 15 */
+ if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH11K_STATE_ON ||
+ arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
+ ret = count;
+ goto out;
+ }
+
+ ret = ath11k_wmi_addba_set_resp(ar, arsta->arvif->vdev_id, sta->addr,
+ tid, status);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send addba response: vdev_id %u peer %pM tid %u status%u\n",
+ arsta->arvif->vdev_id, sta->addr, tid, status);
+ }
+ ret = count;
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_addba_resp = {
+ .write = ath11k_dbg_sta_write_addba_resp,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath11k_dbg_sta_write_addba(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ u32 tid, buf_size;
+ int ret;
+ char buf[64] = {0};
+
+ ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos,
+ user_buf, count);
+ if (ret <= 0)
+ return ret;
+
+ ret = sscanf(buf, "%u %u", &tid, &buf_size);
+ if (ret != 2)
+ return -EINVAL;
+
+ /* Valid TID values are 0 through 15 */
+ if (tid > HAL_DESC_REO_NON_QOS_TID - 1)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH11K_STATE_ON ||
+ arsta->aggr_mode != ATH11K_DBG_AGGR_MODE_MANUAL) {
+ ret = count;
+ goto out;
+ }
+
+ ret = ath11k_wmi_addba_send(ar, arsta->arvif->vdev_id, sta->addr,
+ tid, buf_size);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send addba request: vdev_id %u peer %pM tid %u buf_size %u\n",
+ arsta->arvif->vdev_id, sta->addr, tid, buf_size);
+ }
+
+ ret = count;
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_addba = {
+ .write = ath11k_dbg_sta_write_addba,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath11k_dbg_sta_read_aggr_mode(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ char buf[64];
+ int len = 0;
+
+ mutex_lock(&ar->conf_mutex);
+ len = scnprintf(buf, sizeof(buf) - len,
+ "aggregation mode: %s\n\n%s\n%s\n",
+ (arsta->aggr_mode == ATH11K_DBG_AGGR_MODE_AUTO) ?
+ "auto" : "manual", "auto = 0", "manual = 1");
+ mutex_unlock(&ar->conf_mutex);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath11k_dbg_sta_write_aggr_mode(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ u32 aggr_mode;
+ int ret;
+
+ if (kstrtouint_from_user(user_buf, count, 0, &aggr_mode))
+ return -EINVAL;
+
+ if (aggr_mode >= ATH11K_DBG_AGGR_MODE_MAX)
+ return -EINVAL;
+
+ mutex_lock(&ar->conf_mutex);
+ if (ar->state != ATH11K_STATE_ON ||
+ aggr_mode == arsta->aggr_mode) {
+ ret = count;
+ goto out;
+ }
+
+ ret = ath11k_wmi_addba_clear_resp(ar, arsta->arvif->vdev_id, sta->addr);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to clear addba session ret: %d\n",
+ ret);
+ goto out;
+ }
+
+ arsta->aggr_mode = aggr_mode;
+out:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static const struct file_operations fops_aggr_mode = {
+ .read = ath11k_dbg_sta_read_aggr_mode,
+ .write = ath11k_dbg_sta_write_aggr_mode,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t
+ath11k_write_htt_peer_stats_reset(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sta *sta = file->private_data;
+ struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+ struct ath11k *ar = arsta->arvif->ar;
+ struct htt_ext_stats_cfg_params cfg_params = { 0 };
+ int ret;
+ u8 type;
+
+ ret = kstrtou8_from_user(user_buf, count, 0, &type);
+ if (ret)
+ return ret;
+
+ if (!type)
+ return ret;
+
+ mutex_lock(&ar->conf_mutex);
+ cfg_params.cfg0 = HTT_STAT_PEER_INFO_MAC_ADDR;
+ cfg_params.cfg0 |= FIELD_PREP(GENMASK(15, 1),
+ HTT_PEER_STATS_REQ_MODE_FLUSH_TQM);
+
+ cfg_params.cfg1 = HTT_STAT_DEFAULT_PEER_REQ_TYPE;
+
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(7, 0), sta->addr[0]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(15, 8), sta->addr[1]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(23, 16), sta->addr[2]);
+ cfg_params.cfg2 |= FIELD_PREP(GENMASK(31, 24), sta->addr[3]);
+
+ cfg_params.cfg3 |= FIELD_PREP(GENMASK(7, 0), sta->addr[4]);
+ cfg_params.cfg3 |= FIELD_PREP(GENMASK(15, 8), sta->addr[5]);
+
+ cfg_params.cfg3 |= ATH11K_HTT_PEER_STATS_RESET;
+
+ ret = ath11k_dp_tx_htt_h2t_ext_stats_req(ar,
+ ATH11K_DBG_HTT_EXT_STATS_PEER_INFO,
+ &cfg_params,
+ 0ULL);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to send htt peer stats request: %d\n", ret);
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+
+ ret = count;
+
+ return ret;
+}
+
+static const struct file_operations fops_htt_peer_stats_reset = {
+ .write = ath11k_write_htt_peer_stats_reset,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir)
{
@@ -550,4 +837,14 @@ void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
debugfs_create_file("peer_pktlog", 0644, dir, sta,
&fops_peer_pktlog);
+
+ debugfs_create_file("aggr_mode", 0644, dir, sta, &fops_aggr_mode);
+ debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
+ debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
+ debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
+
+ if (test_bit(WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET,
+ ar->ab->wmi_ab.svc_map))
+ debugfs_create_file("htt_peer_stats_reset", 0600, dir, sta,
+ &fops_htt_peer_stats_reset);
}
diff --git a/drivers/net/wireless/ath/ath11k/dp.c b/drivers/net/wireless/ath/ath11k/dp.c
index 50350f77b309..9ae743e528af 100644
--- a/drivers/net/wireless/ath/ath11k/dp.c
+++ b/drivers/net/wireless/ath/ath11k/dp.c
@@ -701,6 +701,7 @@ int ath11k_dp_service_srng(struct ath11k_base *ab,
done:
return tot_work_done;
}
+EXPORT_SYMBOL(ath11k_dp_service_srng);
void ath11k_dp_pdev_free(struct ath11k_base *ab)
{
@@ -880,6 +881,8 @@ int ath11k_dp_alloc(struct ath11k_base *ab)
INIT_LIST_HEAD(&dp->reo_cmd_cache_flush_list);
spin_lock_init(&dp->reo_cmd_lock);
+ dp->reo_cmd_cache_flush_count = 0;
+
ret = ath11k_wbm_idle_ring_setup(ab, &n_link_desc);
if (ret) {
ath11k_warn(ab, "failed to setup wbm_idle_ring: %d\n", ret);
@@ -909,8 +912,10 @@ int ath11k_dp_alloc(struct ath11k_base *ab)
dp->tx_ring[i].tx_status_head = 0;
dp->tx_ring[i].tx_status_tail = DP_TX_COMP_RING_SIZE - 1;
dp->tx_ring[i].tx_status = kmalloc(size, GFP_KERNEL);
- if (!dp->tx_ring[i].tx_status)
+ if (!dp->tx_ring[i].tx_status) {
+ ret = -ENOMEM;
goto fail_cmn_srng_cleanup;
+ }
}
for (i = 0; i < HAL_DSCP_TID_MAP_TBL_NUM_ENTRIES_MAX; i++)
diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h
index 551f9c9fb847..058a5c1d86ff 100644
--- a/drivers/net/wireless/ath/ath11k/dp.h
+++ b/drivers/net/wireless/ath/ath11k/dp.h
@@ -36,6 +36,7 @@ struct dp_rx_tid {
struct ath11k_base *ab;
};
+#define DP_REO_DESC_FREE_THRESHOLD 64
#define DP_REO_DESC_FREE_TIMEOUT_MS 1000
struct dp_reo_cache_flush_elem {
@@ -169,8 +170,8 @@ struct ath11k_pdev_dp {
#define DP_WBM_RELEASE_RING_SIZE 64
#define DP_TCL_DATA_RING_SIZE 512
-#define DP_TX_COMP_RING_SIZE 8192
-#define DP_TX_IDR_SIZE (DP_TX_COMP_RING_SIZE << 1)
+#define DP_TX_COMP_RING_SIZE 32768
+#define DP_TX_IDR_SIZE DP_TX_COMP_RING_SIZE
#define DP_TCL_CMD_RING_SIZE 32
#define DP_TCL_STATUS_RING_SIZE 32
#define DP_REO_DST_RING_MAX 4
@@ -222,7 +223,13 @@ struct ath11k_dp {
struct hal_wbm_idle_scatter_list scatter_list[DP_IDLE_SCATTER_BUFS_MAX];
struct list_head reo_cmd_list;
struct list_head reo_cmd_cache_flush_list;
- /* protects access to reo_cmd_list and reo_cmd_cache_flush_list */
+ u32 reo_cmd_cache_flush_count;
+ /**
+ * protects access to below fields,
+ * - reo_cmd_list
+ * - reo_cmd_cache_flush_list
+ * - reo_cmd_cache_flush_count
+ */
spinlock_t reo_cmd_lock;
};
@@ -1510,6 +1517,7 @@ struct htt_ext_stats_cfg_params {
* 4 bytes.
*/
+#define HTT_T2H_EXT_STATS_INFO1_DONE BIT(11)
#define HTT_T2H_EXT_STATS_INFO1_LENGTH GENMASK(31, 16)
struct ath11k_htt_extd_stats_msg {
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index f74a0e74bf3e..a54610d75c40 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -252,7 +252,7 @@ static bool ath11k_dp_rxdesc_mpdu_valid(struct hal_rx_desc *rx_desc)
tlv_tag = FIELD_GET(HAL_TLV_HDR_TAG,
__le32_to_cpu(rx_desc->mpdu_start_tag));
- return tlv_tag == HAL_RX_MPDU_START ? true : false;
+ return tlv_tag == HAL_RX_MPDU_START;
}
static u32 ath11k_dp_rxdesc_get_ppduid(struct hal_rx_desc *rx_desc)
@@ -565,6 +565,7 @@ void ath11k_dp_reo_cmd_list_cleanup(struct ath11k_base *ab)
list_for_each_entry_safe(cmd_cache, tmp_cache,
&dp->reo_cmd_cache_flush_list, list) {
list_del(&cmd_cache->list);
+ dp->reo_cmd_cache_flush_count--;
dma_unmap_single(ab->dev, cmd_cache->data.paddr,
cmd_cache->data.size, DMA_BIDIRECTIONAL);
kfree(cmd_cache->data.vaddr);
@@ -651,15 +652,18 @@ static void ath11k_dp_rx_tid_del_func(struct ath11k_dp *dp, void *ctx,
spin_lock_bh(&dp->reo_cmd_lock);
list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list);
+ dp->reo_cmd_cache_flush_count++;
spin_unlock_bh(&dp->reo_cmd_lock);
/* Flush and invalidate aged REO desc from HW cache */
spin_lock_bh(&dp->reo_cmd_lock);
list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_cache_flush_list,
list) {
- if (time_after(jiffies, elem->ts +
+ if (dp->reo_cmd_cache_flush_count > DP_REO_DESC_FREE_THRESHOLD ||
+ time_after(jiffies, elem->ts +
msecs_to_jiffies(DP_REO_DESC_FREE_TIMEOUT_MS))) {
list_del(&elem->list);
+ dp->reo_cmd_cache_flush_count--;
spin_unlock_bh(&dp->reo_cmd_lock);
ath11k_dp_reo_cache_flush(ab, &elem->data);
@@ -892,7 +896,7 @@ int ath11k_peer_rx_tid_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id,
else
hw_desc_sz = ath11k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid);
- vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_KERNEL);
+ vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC);
if (!vaddr) {
spin_unlock_bh(&ab->base_lock);
return -ENOMEM;
@@ -1491,7 +1495,8 @@ static void ath11k_htt_pktlog(struct ath11k_base *ab, struct sk_buff *skb)
return;
}
- trace_ath11k_htt_pktlog(ar, data->payload, hdr->size);
+ trace_ath11k_htt_pktlog(ar, data->payload, hdr->size,
+ ar->ab->pktlog_defs_checksum);
}
static void ath11k_htt_backpressure_event_handler(struct ath11k_base *ab,
@@ -2265,6 +2270,7 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar,
struct ieee80211_hdr *hdr;
struct sk_buff *last_buf;
u8 l3_pad_bytes;
+ u8 *hdr_status;
u16 msdu_len;
int ret;
@@ -2293,8 +2299,13 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar,
skb_pull(msdu, HAL_RX_DESC_SIZE);
} else if (!rxcb->is_continuation) {
if ((msdu_len + HAL_RX_DESC_SIZE) > DP_RX_BUFFER_SIZE) {
+ hdr_status = ath11k_dp_rx_h_80211_hdr(rx_desc);
ret = -EINVAL;
ath11k_warn(ar->ab, "invalid msdu len %u\n", msdu_len);
+ ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", hdr_status,
+ sizeof(struct ieee80211_hdr));
+ ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", rx_desc,
+ sizeof(struct hal_rx_desc));
goto free_out;
}
skb_put(msdu, HAL_RX_DESC_SIZE + l3_pad_bytes + msdu_len);
@@ -2402,12 +2413,12 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id,
try_again:
while ((rx_desc = ath11k_hal_srng_dst_get_next_entry(ab, srng))) {
- struct hal_reo_dest_ring *desc = (struct hal_reo_dest_ring *)rx_desc;
+ struct hal_reo_dest_ring desc = *(struct hal_reo_dest_ring *)rx_desc;
enum hal_reo_dest_ring_push_reason push_reason;
u32 cookie;
cookie = FIELD_GET(BUFFER_ADDR_INFO1_SW_COOKIE,
- desc->buf_addr_info.info1);
+ desc.buf_addr_info.info1);
buf_id = FIELD_GET(DP_RXDMA_BUF_COOKIE_BUF_ID,
cookie);
mac_id = FIELD_GET(DP_RXDMA_BUF_COOKIE_PDEV_ID, cookie);
@@ -2435,7 +2446,7 @@ try_again:
total_msdu_reaped++;
push_reason = FIELD_GET(HAL_REO_DEST_RING_INFO0_PUSH_REASON,
- desc->info0);
+ desc.info0);
if (push_reason !=
HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) {
dev_kfree_skb_any(msdu);
@@ -2443,15 +2454,15 @@ try_again:
continue;
}
- rxcb->is_first_msdu = !!(desc->rx_msdu_info.info0 &
+ rxcb->is_first_msdu = !!(desc.rx_msdu_info.info0 &
RX_MSDU_DESC_INFO0_FIRST_MSDU_IN_MPDU);
- rxcb->is_last_msdu = !!(desc->rx_msdu_info.info0 &
+ rxcb->is_last_msdu = !!(desc.rx_msdu_info.info0 &
RX_MSDU_DESC_INFO0_LAST_MSDU_IN_MPDU);
- rxcb->is_continuation = !!(desc->rx_msdu_info.info0 &
+ rxcb->is_continuation = !!(desc.rx_msdu_info.info0 &
RX_MSDU_DESC_INFO0_MSDU_CONTINUATION);
rxcb->mac_id = mac_id;
rxcb->tid = FIELD_GET(HAL_REO_DEST_RING_INFO0_RX_QUEUE_NUM,
- desc->info0);
+ desc.info0);
__skb_queue_tail(&msdu_list, msdu);
@@ -2717,7 +2728,7 @@ static int ath11k_dp_rx_reap_mon_status_ring(struct ath11k_base *ab, int mac_id,
ath11k_warn(ab, "rx monitor status with invalid buf_id %d\n",
buf_id);
spin_unlock_bh(&rx_ring->idr_lock);
- continue;
+ goto move_next;
}
idr_remove(&rx_ring->bufs_idr, buf_id);
@@ -2736,13 +2747,16 @@ static int ath11k_dp_rx_reap_mon_status_ring(struct ath11k_base *ab, int mac_id,
tlv = (struct hal_tlv_hdr *)skb->data;
if (FIELD_GET(HAL_TLV_HDR_TAG, tlv->tl) !=
HAL_RX_STATUS_BUFFER_DONE) {
- ath11k_hal_srng_src_get_next_entry(ab, srng);
- continue;
+ ath11k_warn(ab, "mon status DONE not set %lx\n",
+ FIELD_GET(HAL_TLV_HDR_TAG,
+ tlv->tl));
+ dev_kfree_skb_any(skb);
+ goto move_next;
}
__skb_queue_tail(skb_list, skb);
}
-
+move_next:
skb = ath11k_dp_rx_alloc_mon_status_buf(ab, rx_ring,
&buf_id, GFP_ATOMIC);
@@ -2960,8 +2974,8 @@ static int ath11k_dp_rx_h_verify_tkip_mic(struct ath11k *ar, struct ath11k_peer
return 0;
mic_fail:
- (ATH11K_SKB_RXCB(msdu))->is_first_msdu = 1;
- (ATH11K_SKB_RXCB(msdu))->is_last_msdu = 1;
+ (ATH11K_SKB_RXCB(msdu))->is_first_msdu = true;
+ (ATH11K_SKB_RXCB(msdu))->is_last_msdu = true;
rxs->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_MMIC_STRIPPED |
RX_FLAG_IV_STRIPPED | RX_FLAG_DECRYPTED;
@@ -3389,6 +3403,7 @@ ath11k_dp_process_rx_err_buf(struct ath11k *ar, u32 *ring_desc, int buf_id, bool
struct sk_buff *msdu;
struct ath11k_skb_rxcb *rxcb;
struct hal_rx_desc *rx_desc;
+ u8 *hdr_status;
u16 msdu_len;
spin_lock_bh(&rx_ring->idr_lock);
@@ -3426,6 +3441,17 @@ ath11k_dp_process_rx_err_buf(struct ath11k *ar, u32 *ring_desc, int buf_id, bool
rx_desc = (struct hal_rx_desc *)msdu->data;
msdu_len = ath11k_dp_rx_h_msdu_start_msdu_len(rx_desc);
+ if ((msdu_len + HAL_RX_DESC_SIZE) > DP_RX_BUFFER_SIZE) {
+ hdr_status = ath11k_dp_rx_h_80211_hdr(rx_desc);
+ ath11k_warn(ar->ab, "invalid msdu leng %u", msdu_len);
+ ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", hdr_status,
+ sizeof(struct ieee80211_hdr));
+ ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", rx_desc,
+ sizeof(struct hal_rx_desc));
+ dev_kfree_skb_any(msdu);
+ goto exit;
+ }
+
skb_put(msdu, HAL_RX_DESC_SIZE + msdu_len);
if (ath11k_dp_rx_frag_h_mpdu(ar, msdu, ring_desc)) {
diff --git a/drivers/net/wireless/ath/ath11k/dp_tx.c b/drivers/net/wireless/ath/ath11k/dp_tx.c
index 7aac4b0eea0c..41c990aec6b7 100644
--- a/drivers/net/wireless/ath/ath11k/dp_tx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_tx.c
@@ -9,14 +9,14 @@
#include "hw.h"
#include "peer.h"
-/* NOTE: Any of the mapped ring id value must not exceed DP_TCL_NUM_RING_MAX */
-static const u8
-ath11k_txq_tcl_ring_map[ATH11K_HW_MAX_QUEUES] = { 0x0, 0x1, 0x2, 0x2 };
-
static enum hal_tcl_encap_type
ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
{
- /* TODO: Determine encap type based on vif_type and configuration */
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+
+ if (tx_info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP)
+ return HAL_TCL_ENCAP_TYPE_ETHERNET;
+
return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
}
@@ -40,8 +40,11 @@ static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
- if (!ieee80211_is_data_qos(hdr->frame_control))
+ if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
+ return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+ else if (!ieee80211_is_data_qos(hdr->frame_control))
return HAL_DESC_REO_NON_QOS_TID;
else
return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
@@ -84,15 +87,31 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
u8 pool_id;
u8 hal_ring_id;
int ret;
+ u8 ring_selector = 0, ring_map = 0;
+ bool tcl_ring_retry;
if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
return -ESHUTDOWN;
- if (!ieee80211_is_data(hdr->frame_control))
+ if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) &&
+ !ieee80211_is_data(hdr->frame_control))
return -ENOTSUPP;
pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
- ti.ring_id = ath11k_txq_tcl_ring_map[pool_id];
+
+ /* Let the default ring selection be based on a round robin
+ * fashion where one of the 3 tcl rings are selected based on
+ * the tcl_ring_selector counter. In case that ring
+ * is full/busy, we resort to other available rings.
+ * If all rings are full, we drop the packet.
+ * //TODO Add throttling logic when all rings are full
+ */
+ ring_selector = atomic_inc_return(&ab->tcl_ring_selector);
+
+tcl_ring_sel:
+ tcl_ring_retry = false;
+ ti.ring_id = ring_selector % DP_TCL_NUM_RING_MAX;
+ ring_map |= BIT(ti.ring_id);
tx_ring = &dp->tx_ring[ti.ring_id];
@@ -101,8 +120,14 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
spin_unlock_bh(&tx_ring->tx_idr_lock);
- if (ret < 0)
- return -ENOSPC;
+ if (ret < 0) {
+ if (ring_map == (BIT(DP_TCL_NUM_RING_MAX) - 1))
+ return -ENOSPC;
+
+ /* Check if the next ring is available */
+ ring_selector++;
+ goto tcl_ring_sel;
+ }
ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
@@ -149,7 +174,10 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
* skb_checksum_help() is needed
*/
case HAL_TCL_ENCAP_TYPE_ETHERNET:
+ /* no need to encap */
+ break;
case HAL_TCL_ENCAP_TYPE_802_3:
+ default:
/* TODO: Take care of other encap modes as well */
ret = -EINVAL;
goto fail_remove_idr;
@@ -178,11 +206,21 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
if (!hal_tcl_desc) {
/* NOTE: It is highly unlikely we'll be running out of tcl_ring
* desc because the desc is directly enqueued onto hw queue.
- * So add tx packet throttling logic in future if required.
*/
ath11k_hal_srng_access_end(ab, tcl_ring);
spin_unlock_bh(&tcl_ring->lock);
ret = -ENOMEM;
+
+ /* Checking for available tcl descritors in another ring in
+ * case of failure due to full tcl ring now, is better than
+ * checking this ring earlier for each pkt tx.
+ * Restart ring selection if some rings are not checked yet.
+ */
+ if (ring_map != (BIT(DP_TCL_NUM_RING_MAX) - 1)) {
+ tcl_ring_retry = true;
+ ring_selector++;
+ }
+
goto fail_unmap_dma;
}
@@ -206,6 +244,9 @@ fail_remove_idr:
FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
spin_unlock_bh(&tx_ring->tx_idr_lock);
+ if (tcl_ring_retry)
+ goto tcl_ring_sel;
+
return ret;
}
@@ -543,8 +584,12 @@ int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
+ /* cmd_num should start from 1, during failure return the error code */
+ if (cmd_num < 0)
+ return cmd_num;
+
/* reo cmd ring descriptors has cmd_num starting from 1 */
- if (cmd_num <= 0)
+ if (cmd_num == 0)
return -EINVAL;
if (!cb)
diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c
index 9e40c4bdd674..d63785178afa 100644
--- a/drivers/net/wireless/ath/ath11k/hal.c
+++ b/drivers/net/wireless/ath/ath11k/hal.c
@@ -3,10 +3,10 @@
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*/
#include <linux/dma-mapping.h>
-#include "ahb.h"
#include "hal_tx.h"
#include "debug.h"
#include "hal_desc.h"
+#include "hif.h"
static const struct hal_srng_config hw_srng_config[] = {
/* TODO: max_rings can populated by querying HW capabilities */
@@ -351,11 +351,12 @@ static void ath11k_hal_ce_dst_setup(struct ath11k_base *ab,
addr = HAL_CE_DST_RING_CTRL +
srng_config->reg_start[HAL_SRNG_REG_GRP_R0] +
ring_num * srng_config->reg_size[HAL_SRNG_REG_GRP_R0];
- val = ath11k_ahb_read32(ab, addr);
+
+ val = ath11k_hif_read32(ab, addr);
val &= ~HAL_CE_DST_R0_DEST_CTRL_MAX_LEN;
val |= FIELD_PREP(HAL_CE_DST_R0_DEST_CTRL_MAX_LEN,
srng->u.dst_ring.max_buffer_length);
- ath11k_ahb_write32(ab, addr, val);
+ ath11k_hif_write32(ab, addr, val);
}
static void ath11k_hal_srng_dst_hw_init(struct ath11k_base *ab,
@@ -369,34 +370,34 @@ static void ath11k_hal_srng_dst_hw_init(struct ath11k_base *ab,
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) {
- ath11k_ahb_write32(ab, reg_base +
- HAL_REO1_RING_MSI1_BASE_LSB_OFFSET,
+ ath11k_hif_write32(ab, reg_base +
+ HAL_REO1_RING_MSI1_BASE_LSB_OFFSET,
(u32)srng->msi_addr);
val = FIELD_PREP(HAL_REO1_RING_MSI1_BASE_MSB_ADDR,
((u64)srng->msi_addr >>
HAL_ADDR_MSB_REG_SHIFT)) |
HAL_REO1_RING_MSI1_BASE_MSB_MSI1_ENABLE;
- ath11k_ahb_write32(ab, reg_base +
+ ath11k_hif_write32(ab, reg_base +
HAL_REO1_RING_MSI1_BASE_MSB_OFFSET, val);
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_REO1_RING_MSI1_DATA_OFFSET,
srng->msi_data);
}
- ath11k_ahb_write32(ab, reg_base, (u32)srng->ring_base_paddr);
+ ath11k_hif_write32(ab, reg_base, (u32)srng->ring_base_paddr);
val = FIELD_PREP(HAL_REO1_RING_BASE_MSB_RING_BASE_ADDR_MSB,
((u64)srng->ring_base_paddr >>
HAL_ADDR_MSB_REG_SHIFT)) |
FIELD_PREP(HAL_REO1_RING_BASE_MSB_RING_SIZE,
(srng->entry_size * srng->num_entries));
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_BASE_MSB_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_BASE_MSB_OFFSET, val);
val = FIELD_PREP(HAL_REO1_RING_ID_RING_ID, srng->ring_id) |
FIELD_PREP(HAL_REO1_RING_ID_ENTRY_SIZE, srng->entry_size);
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_ID_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_ID_OFFSET, val);
/* interrupt setup */
val = FIELD_PREP(HAL_REO1_RING_PRDR_INT_SETUP_INTR_TMR_THOLD,
@@ -406,22 +407,22 @@ static void ath11k_hal_srng_dst_hw_init(struct ath11k_base *ab,
(srng->intr_batch_cntr_thres_entries *
srng->entry_size));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_REO1_RING_PRODUCER_INT_SETUP_OFFSET,
val);
hp_addr = hal->rdp.paddr +
((unsigned long)srng->u.dst_ring.hp_addr -
(unsigned long)hal->rdp.vaddr);
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_LSB_OFFSET,
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_LSB_OFFSET,
hp_addr & HAL_ADDR_LSB_REG_MASK);
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_MSB_OFFSET,
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_HP_ADDR_MSB_OFFSET,
hp_addr >> HAL_ADDR_MSB_REG_SHIFT);
/* Initialize head and tail pointers to indicate ring is empty */
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2];
- ath11k_ahb_write32(ab, reg_base, 0);
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_TP_OFFSET, 0);
+ ath11k_hif_write32(ab, reg_base, 0);
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_TP_OFFSET, 0);
*srng->u.dst_ring.hp_addr = 0;
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
@@ -434,7 +435,7 @@ static void ath11k_hal_srng_dst_hw_init(struct ath11k_base *ab,
val |= HAL_REO1_RING_MISC_MSI_SWAP;
val |= HAL_REO1_RING_MISC_SRNG_ENABLE;
- ath11k_ahb_write32(ab, reg_base + HAL_REO1_RING_MISC_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_REO1_RING_MISC_OFFSET, val);
}
static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
@@ -448,34 +449,34 @@ static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
if (srng->flags & HAL_SRNG_FLAGS_MSI_INTR) {
- ath11k_ahb_write32(ab, reg_base +
- HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET,
+ ath11k_hif_write32(ab, reg_base +
+ HAL_TCL1_RING_MSI1_BASE_LSB_OFFSET,
(u32)srng->msi_addr);
val = FIELD_PREP(HAL_TCL1_RING_MSI1_BASE_MSB_ADDR,
((u64)srng->msi_addr >>
HAL_ADDR_MSB_REG_SHIFT)) |
HAL_TCL1_RING_MSI1_BASE_MSB_MSI1_ENABLE;
- ath11k_ahb_write32(ab, reg_base +
+ ath11k_hif_write32(ab, reg_base +
HAL_TCL1_RING_MSI1_BASE_MSB_OFFSET,
val);
- ath11k_ahb_write32(ab, reg_base +
+ ath11k_hif_write32(ab, reg_base +
HAL_TCL1_RING_MSI1_DATA_OFFSET,
srng->msi_data);
}
- ath11k_ahb_write32(ab, reg_base, (u32)srng->ring_base_paddr);
+ ath11k_hif_write32(ab, reg_base, (u32)srng->ring_base_paddr);
val = FIELD_PREP(HAL_TCL1_RING_BASE_MSB_RING_BASE_ADDR_MSB,
((u64)srng->ring_base_paddr >>
HAL_ADDR_MSB_REG_SHIFT)) |
FIELD_PREP(HAL_TCL1_RING_BASE_MSB_RING_SIZE,
(srng->entry_size * srng->num_entries));
- ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_TCL1_RING_BASE_MSB_OFFSET, val);
val = FIELD_PREP(HAL_REO1_RING_ID_ENTRY_SIZE, srng->entry_size);
- ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_TCL1_RING_ID_OFFSET, val);
/* interrupt setup */
/* NOTE: IPQ8074 v2 requires the interrupt timer threshold in the
@@ -488,7 +489,7 @@ static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
(srng->intr_batch_cntr_thres_entries *
srng->entry_size));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX0_OFFSET,
val);
@@ -497,7 +498,7 @@ static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
val |= FIELD_PREP(HAL_TCL1_RING_CONSR_INT_SETUP_IX1_LOW_THOLD,
srng->u.src_ring.low_threshold);
}
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_TCL1_RING_CONSR_INT_SETUP_IX1_OFFSET,
val);
@@ -505,18 +506,18 @@ static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
tp_addr = hal->rdp.paddr +
((unsigned long)srng->u.src_ring.tp_addr -
(unsigned long)hal->rdp.vaddr);
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_TCL1_RING_TP_ADDR_LSB_OFFSET,
tp_addr & HAL_ADDR_LSB_REG_MASK);
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
reg_base + HAL_TCL1_RING_TP_ADDR_MSB_OFFSET,
tp_addr >> HAL_ADDR_MSB_REG_SHIFT);
}
/* Initialize head and tail pointers to indicate ring is empty */
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R2];
- ath11k_ahb_write32(ab, reg_base, 0);
- ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_TP_OFFSET, 0);
+ ath11k_hif_write32(ab, reg_base, 0);
+ ath11k_hif_write32(ab, reg_base + HAL_TCL1_RING_TP_OFFSET, 0);
*srng->u.src_ring.tp_addr = 0;
reg_base = srng->hwreg_base[HAL_SRNG_REG_GRP_R0];
@@ -533,7 +534,7 @@ static void ath11k_hal_srng_src_hw_init(struct ath11k_base *ab,
val |= HAL_TCL1_RING_MISC_SRNG_ENABLE;
- ath11k_ahb_write32(ab, reg_base + HAL_TCL1_RING_MISC_OFFSET, val);
+ ath11k_hif_write32(ab, reg_base + HAL_TCL1_RING_MISC_OFFSET, val);
}
static void ath11k_hal_srng_hw_init(struct ath11k_base *ab,
@@ -889,13 +890,13 @@ void ath11k_hal_srng_access_end(struct ath11k_base *ab, struct hal_srng *srng)
if (srng->ring_dir == HAL_SRNG_DIR_SRC) {
srng->u.src_ring.last_tp =
*(volatile u32 *)srng->u.src_ring.tp_addr;
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
(unsigned long)srng->u.src_ring.hp_addr -
(unsigned long)ab->mem,
srng->u.src_ring.hp);
} else {
srng->u.dst_ring.last_hp = *srng->u.dst_ring.hp_addr;
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
(unsigned long)srng->u.dst_ring.tp_addr -
(unsigned long)ab->mem,
srng->u.dst_ring.tp);
@@ -929,20 +930,20 @@ void ath11k_hal_setup_link_idle_list(struct ath11k_base *ab,
HAL_WBM_IDLE_SCATTER_BUF_SIZE;
}
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_CONTROL_ADDR,
FIELD_PREP(HAL_WBM_SCATTER_BUFFER_SIZE, reg_scatter_buf_sz) |
FIELD_PREP(HAL_WBM_LINK_DESC_IDLE_LIST_MODE, 0x1));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG + HAL_WBM_R0_IDLE_LIST_SIZE_ADDR,
FIELD_PREP(HAL_WBM_SCATTER_RING_SIZE_OF_IDLE_LINK_DESC_LIST,
reg_scatter_buf_sz * nsbufs));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_RING_BASE_LSB,
FIELD_PREP(BUFFER_ADDR_INFO0_ADDR,
sbuf[0].paddr & HAL_ADDR_LSB_REG_MASK));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_RING_BASE_MSB,
FIELD_PREP(
@@ -953,12 +954,12 @@ void ath11k_hal_setup_link_idle_list(struct ath11k_base *ab,
BASE_ADDR_MATCH_TAG_VAL));
/* Setup head and tail pointers for the idle list */
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0,
FIELD_PREP(BUFFER_ADDR_INFO0_ADDR,
sbuf[nsbufs - 1].paddr));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX1,
FIELD_PREP(
@@ -967,18 +968,18 @@ void ath11k_hal_setup_link_idle_list(struct ath11k_base *ab,
HAL_ADDR_MSB_REG_SHIFT)) |
FIELD_PREP(HAL_WBM_SCATTERED_DESC_HEAD_P_OFFSET_IX1,
(end_offset >> 2)));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_HEAD_INFO_IX0,
FIELD_PREP(BUFFER_ADDR_INFO0_ADDR,
sbuf[0].paddr));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX0,
FIELD_PREP(BUFFER_ADDR_INFO0_ADDR,
sbuf[0].paddr));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_TAIL_INFO_IX1,
FIELD_PREP(
@@ -986,13 +987,13 @@ void ath11k_hal_setup_link_idle_list(struct ath11k_base *ab,
((u64)sbuf[0].paddr >> HAL_ADDR_MSB_REG_SHIFT)) |
FIELD_PREP(HAL_WBM_SCATTERED_DESC_TAIL_P_OFFSET_IX1,
0));
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_SCATTERED_DESC_PTR_HP_ADDR,
2 * tot_link_desc);
/* Enable the SRNG */
- ath11k_ahb_write32(ab,
+ ath11k_hif_write32(ab,
HAL_SEQ_WCSS_UMAC_WBM_REG +
HAL_WBM_IDLE_LINK_RING_MISC_ADDR, 0x40);
}
diff --git a/drivers/net/wireless/ath/ath11k/hal.h b/drivers/net/wireless/ath/ath11k/hal.h
index 7722822a0456..780a3e11b609 100644
--- a/drivers/net/wireless/ath/ath11k/hal.h
+++ b/drivers/net/wireless/ath/ath11k/hal.h
@@ -599,7 +599,7 @@ struct hal_srng {
/* Interrupt mitigation - timer threshold in us */
#define HAL_SRNG_INT_TIMER_THRESHOLD_TX 1000
#define HAL_SRNG_INT_TIMER_THRESHOLD_RX 500
-#define HAL_SRNG_INT_TIMER_THRESHOLD_OTHER 1000
+#define HAL_SRNG_INT_TIMER_THRESHOLD_OTHER 256
/* HW SRNG configuration table */
struct hal_srng_config {
diff --git a/drivers/net/wireless/ath/ath11k/hal_desc.h b/drivers/net/wireless/ath/ath11k/hal_desc.h
index 5e200380cca4..8a592814efa0 100644
--- a/drivers/net/wireless/ath/ath11k/hal_desc.h
+++ b/drivers/net/wireless/ath/ath11k/hal_desc.h
@@ -2,6 +2,8 @@
/*
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*/
+#include "core.h"
+
#ifndef ATH11K_HAL_DESC_H
#define ATH11K_HAL_DESC_H
@@ -477,7 +479,7 @@ enum hal_tlv_tag {
struct hal_tlv_hdr {
u32 tl;
- u8 value[0];
+ u8 value[];
} __packed;
#define RX_MPDU_DESC_INFO0_MSDU_COUNT GENMASK(7, 0)
@@ -1972,7 +1974,7 @@ struct hal_rx_reo_queue {
u32 processed_total_bytes;
u32 info5;
u32 rsvd[3];
- struct hal_rx_reo_queue_ext ext_desc[0];
+ struct hal_rx_reo_queue_ext ext_desc[];
} __packed;
/* hal_rx_reo_queue
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.c b/drivers/net/wireless/ath/ath11k/hal_rx.c
index f277c9434a25..129c9e1efeb9 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.c
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.c
@@ -3,12 +3,12 @@
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*/
-#include "ahb.h"
#include "debug.h"
#include "hal.h"
#include "hal_tx.h"
#include "hal_rx.h"
#include "hal_desc.h"
+#include "hif.h"
static void ath11k_hal_reo_set_desc_hdr(struct hal_desc_header *hdr,
u8 owner, u8 buffer_type, u32 magic)
@@ -804,34 +804,34 @@ void ath11k_hal_reo_hw_setup(struct ath11k_base *ab, u32 ring_hash_map)
u32 reo_base = HAL_SEQ_WCSS_UMAC_REO_REG;
u32 val;
- val = ath11k_ahb_read32(ab, reo_base + HAL_REO1_GEN_ENABLE);
+ val = ath11k_hif_read32(ab, reo_base + HAL_REO1_GEN_ENABLE);
val &= ~HAL_REO1_GEN_ENABLE_FRAG_DST_RING;
val |= FIELD_PREP(HAL_REO1_GEN_ENABLE_FRAG_DST_RING,
HAL_SRNG_RING_ID_REO2SW1) |
FIELD_PREP(HAL_REO1_GEN_ENABLE_AGING_LIST_ENABLE, 1) |
FIELD_PREP(HAL_REO1_GEN_ENABLE_AGING_FLUSH_ENABLE, 1);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_GEN_ENABLE, val);
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_GEN_ENABLE, val);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_0,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_0,
HAL_DEFAULT_REO_TIMEOUT_USEC);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_1,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_1,
HAL_DEFAULT_REO_TIMEOUT_USEC);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_2,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_2,
HAL_DEFAULT_REO_TIMEOUT_USEC);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_3,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_AGING_THRESH_IX_3,
HAL_DEFAULT_REO_TIMEOUT_USEC);
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_0,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_0,
FIELD_PREP(HAL_REO_DEST_RING_CTRL_HASH_RING_MAP,
ring_hash_map));
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_1,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_1,
FIELD_PREP(HAL_REO_DEST_RING_CTRL_HASH_RING_MAP,
ring_hash_map));
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_2,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_2,
FIELD_PREP(HAL_REO_DEST_RING_CTRL_HASH_RING_MAP,
ring_hash_map));
- ath11k_ahb_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_3,
+ ath11k_hif_write32(ab, reo_base + HAL_REO1_DEST_RING_CTRL_IX_3,
FIELD_PREP(HAL_REO_DEST_RING_CTRL_HASH_RING_MAP,
ring_hash_map));
}
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h
index e863e4abfcc1..c436191ae1e8 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.h
@@ -23,7 +23,7 @@ struct hal_rx_wbm_rel_info {
struct hal_rx_mon_status_tlv_hdr {
u32 hdr;
- u8 value[0];
+ u8 value[];
};
enum hal_rx_su_mu_coding {
diff --git a/drivers/net/wireless/ath/ath11k/hal_tx.c b/drivers/net/wireless/ath/ath11k/hal_tx.c
index e4aa7e8a1284..81937c29ffca 100644
--- a/drivers/net/wireless/ath/ath11k/hal_tx.c
+++ b/drivers/net/wireless/ath/ath11k/hal_tx.c
@@ -3,9 +3,10 @@
* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
*/
-#include "ahb.h"
+#include "hal_desc.h"
#include "hal.h"
#include "hal_tx.h"
+#include "hif.h"
#define DSCP_TID_MAP_TBL_ENTRY_SIZE 64
@@ -83,11 +84,11 @@ void ath11k_hal_tx_set_dscp_tid_map(struct ath11k_base *ab, int id)
u32 value;
int cnt = 0;
- ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ ctrl_reg_val = ath11k_hif_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
HAL_TCL1_RING_CMN_CTRL_REG);
/* Enable read/write access */
ctrl_reg_val |= HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN;
- ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ ath11k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
HAL_TCL1_RING_CMN_CTRL_REG, ctrl_reg_val);
addr = HAL_SEQ_WCSS_UMAC_TCL_REG + HAL_TCL1_RING_DSCP_TID_MAP +
@@ -118,15 +119,15 @@ void ath11k_hal_tx_set_dscp_tid_map(struct ath11k_base *ab, int id)
}
for (i = 0; i < HAL_DSCP_TID_TBL_SIZE; i += 4) {
- ath11k_ahb_write32(ab, addr, *(u32 *)&hw_map_val[i]);
+ ath11k_hif_write32(ab, addr, *(u32 *)&hw_map_val[i]);
addr += 4;
}
/* Disable read/write access */
- ctrl_reg_val = ath11k_ahb_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ ctrl_reg_val = ath11k_hif_read32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
HAL_TCL1_RING_CMN_CTRL_REG);
ctrl_reg_val &= ~HAL_TCL1_RING_CMN_CTRL_DSCP_TID_MAP_PROG_EN;
- ath11k_ahb_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
+ ath11k_hif_write32(ab, HAL_SEQ_WCSS_UMAC_TCL_REG +
HAL_TCL1_RING_CMN_CTRL_REG,
ctrl_reg_val);
}
diff --git a/drivers/net/wireless/ath/ath11k/hal_tx.h b/drivers/net/wireless/ath/ath11k/hal_tx.h
index ce48a61bfb66..d4760a20fdac 100644
--- a/drivers/net/wireless/ath/ath11k/hal_tx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_tx.h
@@ -7,6 +7,7 @@
#define ATH11K_HAL_TX_H
#include "hal_desc.h"
+#include "core.h"
#define HAL_TX_ADDRX_EN 1
#define HAL_TX_ADDRY_EN 2
diff --git a/drivers/net/wireless/ath/ath11k/hif.h b/drivers/net/wireless/ath/ath11k/hif.h
new file mode 100644
index 000000000000..165f7e51c238
--- /dev/null
+++ b/drivers/net/wireless/ath/ath11k/hif.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: BSD-3-Clause-Clear */
+/*
+ * Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
+ */
+
+#include "core.h"
+
+struct ath11k_hif_ops {
+ u32 (*read32)(struct ath11k_base *sc, u32 address);
+ void (*write32)(struct ath11k_base *sc, u32 address, u32 data);
+ void (*irq_enable)(struct ath11k_base *sc);
+ void (*irq_disable)(struct ath11k_base *sc);
+ int (*start)(struct ath11k_base *sc);
+ void (*stop)(struct ath11k_base *sc);
+ int (*power_up)(struct ath11k_base *sc);
+ void (*power_down)(struct ath11k_base *sc);
+ int (*map_service_to_pipe)(struct ath11k_base *sc, u16 service_id,
+ u8 *ul_pipe, u8 *dl_pipe);
+};
+
+static inline int ath11k_hif_start(struct ath11k_base *sc)
+{
+ return sc->hif.ops->start(sc);
+}
+
+static inline void ath11k_hif_stop(struct ath11k_base *sc)
+{
+ sc->hif.ops->stop(sc);
+}
+
+static inline void ath11k_hif_irq_enable(struct ath11k_base *sc)
+{
+ sc->hif.ops->irq_enable(sc);
+}
+
+static inline void ath11k_hif_irq_disable(struct ath11k_base *sc)
+{
+ sc->hif.ops->irq_disable(sc);
+}
+
+static inline int ath11k_hif_power_up(struct ath11k_base *sc)
+{
+ return sc->hif.ops->power_up(sc);
+}
+
+static inline void ath11k_hif_power_down(struct ath11k_base *sc)
+{
+ sc->hif.ops->power_down(sc);
+}
+
+static inline u32 ath11k_hif_read32(struct ath11k_base *sc, u32 address)
+{
+ return sc->hif.ops->read32(sc, address);
+}
+
+static inline void ath11k_hif_write32(struct ath11k_base *sc, u32 address, u32 data)
+{
+ sc->hif.ops->write32(sc, address, data);
+}
+
+static inline int ath11k_hif_map_service_to_pipe(struct ath11k_base *sc, u16 service_id,
+ u8 *ul_pipe, u8 *dl_pipe)
+{
+ return sc->hif.ops->map_service_to_pipe(sc, service_id, ul_pipe, dl_pipe);
+}
diff --git a/drivers/net/wireless/ath/ath11k/htc.c b/drivers/net/wireless/ath/ath11k/htc.c
index 8f54f58b83e6..ad13c648b679 100644
--- a/drivers/net/wireless/ath/ath11k/htc.c
+++ b/drivers/net/wireless/ath/ath11k/htc.c
@@ -5,8 +5,8 @@
#include <linux/skbuff.h>
#include <linux/ctype.h>
-#include "ahb.h"
#include "debug.h"
+#include "hif.h"
struct sk_buff *ath11k_htc_alloc_skb(struct ath11k_base *ab, int size)
{
@@ -672,7 +672,7 @@ setup:
/* copy all the callbacks */
ep->ep_ops = conn_req->ep_ops;
- status = ath11k_ahb_map_service_to_pipe(htc->ab,
+ status = ath11k_hif_map_service_to_pipe(htc->ab,
ep->service_id,
&ep->ul_pipe_id,
&ep->dl_pipe_id);
diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h
index 9973477ae373..dc4434aefbbe 100644
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -99,6 +99,11 @@ enum ath11k_hw_rate_ofdm {
ATH11K_HW_RATE_OFDM_9M,
};
+enum ath11k_bus {
+ ATH11K_BUS_AHB,
+ ATH11K_BUS_PCI,
+};
+
struct ath11k_hw_params {
const char *name;
struct {
@@ -111,7 +116,7 @@ struct ath11k_hw_params {
struct ath11k_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath11k_bd_ie_board_type {
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 9f8bc19cc5ae..2836a0f197ab 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -33,6 +33,12 @@
.max_power = 30, \
}
+/* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
+static unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
+module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
+MODULE_PARM_DESC(frame_mode,
+ "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
+
static const struct ieee80211_channel ath11k_2ghz_channels[] = {
CHAN2G(1, 2412, 0),
CHAN2G(2, 2417, 0),
@@ -1142,6 +1148,10 @@ static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;
arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;
+ if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==
+ IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
/* TODO: Check */
arg->tx_max_mcs_nss = 0xFF;
@@ -1168,8 +1178,7 @@ static void ath11k_peer_assoc_h_he(struct ath11k *ar,
sizeof(arg->peer_he_cap_macinfo));
memcpy(&arg->peer_he_cap_phyinfo, he_cap->he_cap_elem.phy_cap_info,
sizeof(arg->peer_he_cap_phyinfo));
- memcpy(&arg->peer_he_ops, &vif->bss_conf.he_operation,
- sizeof(arg->peer_he_ops));
+ arg->peer_he_ops = vif->bss_conf.he_oper.params;
/* the top most byte is used to indicate BSS color info */
arg->peer_he_ops &= 0xffffff;
@@ -3553,7 +3562,7 @@ static int ath11k_mac_copy_he_cap(struct ath11k *ar,
memcpy(he_cap_elem->phy_cap_info, band_cap->he_cap_phy_info,
sizeof(he_cap_elem->phy_cap_info));
- he_cap_elem->mac_cap_info[1] |=
+ he_cap_elem->mac_cap_info[1] &=
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK;
he_cap_elem->phy_cap_info[4] &=
~IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK;
@@ -3569,6 +3578,8 @@ static int ath11k_mac_copy_he_cap(struct ath11k *ar,
switch (i) {
case NL80211_IFTYPE_AP:
+ he_cap_elem->phy_cap_info[3] &=
+ ~IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK;
he_cap_elem->phy_cap_info[9] |=
IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
break;
@@ -3682,10 +3693,10 @@ static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)
{
- struct ath11k *ar = ctx;
- struct ath11k_base *ab = ar->ab;
struct sk_buff *msdu = skb;
struct ieee80211_tx_info *info;
+ struct ath11k *ar = ctx;
+ struct ath11k_base *ab = ar->ab;
spin_lock_bh(&ar->txmgmt_idr_lock);
idr_remove(&ar->txmgmt_idr, buf_id);
@@ -3725,6 +3736,7 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
{
struct ath11k_base *ab = ar->ab;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_tx_info *info;
dma_addr_t paddr;
int buf_id;
int ret;
@@ -3736,11 +3748,14 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
if (buf_id < 0)
return -ENOSPC;
- if ((ieee80211_is_action(hdr->frame_control) ||
- ieee80211_is_deauth(hdr->frame_control) ||
- ieee80211_is_disassoc(hdr->frame_control)) &&
- ieee80211_has_protected(hdr->frame_control)) {
- skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+ info = IEEE80211_SKB_CB(skb);
+ if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP)) {
+ if ((ieee80211_is_action(hdr->frame_control) ||
+ ieee80211_is_deauth(hdr->frame_control) ||
+ ieee80211_is_disassoc(hdr->frame_control)) &&
+ ieee80211_has_protected(hdr->frame_control)) {
+ skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+ }
}
paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
@@ -3789,15 +3804,30 @@ static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work)
while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {
info = IEEE80211_SKB_CB(skb);
- arvif = ath11k_vif_to_arvif(info->control.vif);
-
- ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
- if (ret) {
- ath11k_warn(ar->ab, "failed to transmit management frame %d\n",
- ret);
+ if (!info->control.vif) {
+ ath11k_warn(ar->ab, "no vif found for mgmt frame, flags 0x%x\n",
+ info->control.flags);
ieee80211_free_txskb(ar->hw, skb);
+ continue;
+ }
+
+ arvif = ath11k_vif_to_arvif(info->control.vif);
+ if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) &&
+ arvif->is_started) {
+ ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
+ if (ret) {
+ ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
+ arvif->vdev_id, ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ } else {
+ atomic_inc(&ar->num_pending_mgmt_tx);
+ }
} else {
- atomic_inc(&ar->num_pending_mgmt_tx);
+ ath11k_warn(ar->ab,
+ "dropping mgmt frame for vdev %d, flags 0x%x is_started %d\n",
+ arvif->vdev_id, info->control.flags,
+ arvif->is_started);
+ ieee80211_free_txskb(ar->hw, skb);
}
}
}
@@ -3837,6 +3867,7 @@ static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
{
+ struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
struct ath11k *ar = hw->priv;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_vif *vif = info->control.vif;
@@ -3845,7 +3876,9 @@ static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
bool is_prb_rsp;
int ret;
- if (ieee80211_is_mgmt(hdr->frame_control)) {
+ if (info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) {
+ skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP;
+ } else if (ieee80211_is_mgmt(hdr->frame_control)) {
is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp);
if (ret) {
@@ -3877,8 +3910,10 @@ static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable)
struct htt_rx_ring_tlv_filter tlv_filter = {0};
u32 ring_id;
- if (enable)
+ if (enable) {
tlv_filter = ath11k_mac_mon_status_filter_default;
+ tlv_filter.rx_filter = ath11k_debug_rx_filter(ar);
+ }
ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id;
@@ -4124,6 +4159,7 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
struct vdev_create_params vdev_param = {0};
struct peer_create_params peer_param;
u32 param_id, param_value;
+ int hw_encap = 0;
u16 nss;
int i;
int ret;
@@ -4208,6 +4244,8 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
}
ar->num_created_vdevs++;
+ ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n",
+ vif->addr, arvif->vdev_id);
ar->allocated_vdev_map |= 1LL << arvif->vdev_id;
ab->free_vdev_map &= ~(1LL << arvif->vdev_id);
@@ -4216,7 +4254,22 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
spin_unlock_bh(&ar->data_lock);
param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;
- param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
+ if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET)
+ switch (vif->type) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_AP:
+ hw_encap = 1;
+ break;
+ default:
+ break;
+ }
+
+ if (ieee80211_set_hw_80211_encap(vif, hw_encap))
+ param_value = ATH11K_HW_TXRX_ETHERNET;
+ else
+ param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
+
ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
param_id, param_value);
if (ret) {
@@ -4378,6 +4431,8 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
arvif->vdev_id, ret);
ar->num_created_vdevs--;
+ ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",
+ vif->addr, arvif->vdev_id);
ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
ab->free_vdev_map |= 1LL << (arvif->vdev_id);
@@ -4643,6 +4698,8 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
}
ar->num_started_vdevs++;
+ ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM started, vdev_id %d\n",
+ arvif->vif->addr, arvif->vdev_id);
/* Enable CAC Flag in the driver by checking the channel DFS cac time,
* i.e dfs_cac_ms value which will be valid only for radar channels
@@ -4701,6 +4758,8 @@ static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif)
WARN_ON(ar->num_started_vdevs == 0);
ar->num_started_vdevs--;
+ ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",
+ arvif->vif->addr, arvif->vdev_id);
if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {
clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
@@ -5891,6 +5950,9 @@ int ath11k_mac_register(struct ath11k_base *ab)
int i;
int ret;
+ if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+ return 0;
+
for (i = 0; i < ab->num_radios; i++) {
pdev = &ab->pdevs[i];
ar = pdev->ar;
diff --git a/drivers/net/wireless/ath/ath11k/peer.c b/drivers/net/wireless/ath/ath11k/peer.c
index f43deacc01bd..297172538620 100644
--- a/drivers/net/wireless/ath/ath11k/peer.c
+++ b/drivers/net/wireless/ath/ath11k/peer.c
@@ -17,7 +17,26 @@ struct ath11k_peer *ath11k_peer_find(struct ath11k_base *ab, int vdev_id,
list_for_each_entry(peer, &ab->peers, list) {
if (peer->vdev_id != vdev_id)
continue;
- if (memcmp(peer->addr, addr, ETH_ALEN))
+ if (!ether_addr_equal(peer->addr, addr))
+ continue;
+
+ return peer;
+ }
+
+ return NULL;
+}
+
+static struct ath11k_peer *ath11k_peer_find_by_pdev_idx(struct ath11k_base *ab,
+ u8 pdev_idx, const u8 *addr)
+{
+ struct ath11k_peer *peer;
+
+ lockdep_assert_held(&ab->base_lock);
+
+ list_for_each_entry(peer, &ab->peers, list) {
+ if (peer->pdev_idx != pdev_idx)
+ continue;
+ if (!ether_addr_equal(peer->addr, addr))
continue;
return peer;
@@ -34,7 +53,7 @@ struct ath11k_peer *ath11k_peer_find_by_addr(struct ath11k_base *ab,
lockdep_assert_held(&ab->base_lock);
list_for_each_entry(peer, &ab->peers, list) {
- if (memcmp(peer->addr, addr, ETH_ALEN))
+ if (!ether_addr_equal(peer->addr, addr))
continue;
return peer;
@@ -200,6 +219,17 @@ int ath11k_peer_create(struct ath11k *ar, struct ath11k_vif *arvif,
return -ENOBUFS;
}
+ spin_lock_bh(&ar->ab->base_lock);
+ peer = ath11k_peer_find_by_pdev_idx(ar->ab, ar->pdev_idx, param->peer_addr);
+ if (peer) {
+ spin_unlock_bh(&ar->ab->base_lock);
+ ath11k_info(ar->ab,
+ "ignoring the peer %pM creation on same pdev idx %d\n",
+ param->peer_addr, ar->pdev_idx);
+ return -EINVAL;
+ }
+ spin_unlock_bh(&ar->ab->base_lock);
+
ret = ath11k_wmi_send_peer_create_cmd(ar, param);
if (ret) {
ath11k_warn(ar->ab,
@@ -225,6 +255,7 @@ int ath11k_peer_create(struct ath11k *ar, struct ath11k_vif *arvif,
return -ENOENT;
}
+ peer->pdev_idx = ar->pdev_idx;
peer->sta = sta;
arvif->ast_hash = peer->ast_hash;
diff --git a/drivers/net/wireless/ath/ath11k/peer.h b/drivers/net/wireless/ath/ath11k/peer.h
index ccca1523a6ea..5d125ce8984e 100644
--- a/drivers/net/wireless/ath/ath11k/peer.h
+++ b/drivers/net/wireless/ath/ath11k/peer.h
@@ -13,6 +13,7 @@ struct ath11k_peer {
u8 addr[ETH_ALEN];
int peer_id;
u16 ast_hash;
+ u8 pdev_idx;
/* protected by ab->data_lock */
struct ieee80211_key_conf *keys[WMI_MAX_KEY_INDEX + 1];
diff --git a/drivers/net/wireless/ath/ath11k/thermal.c b/drivers/net/wireless/ath/ath11k/thermal.c
index 259dddbda2c7..5a7e150c621b 100644
--- a/drivers/net/wireless/ath/ath11k/thermal.c
+++ b/drivers/net/wireless/ath/ath11k/thermal.c
@@ -174,9 +174,12 @@ int ath11k_thermal_register(struct ath11k_base *sc)
if (IS_ERR(cdev)) {
ath11k_err(sc, "failed to setup thermal device result: %ld\n",
PTR_ERR(cdev));
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_thermal_destroy;
}
+ ar->thermal.cdev = cdev;
+
ret = sysfs_create_link(&ar->hw->wiphy->dev.kobj, &cdev->device.kobj,
"cooling_device");
if (ret) {
@@ -184,7 +187,6 @@ int ath11k_thermal_register(struct ath11k_base *sc)
goto err_thermal_destroy;
}
- ar->thermal.cdev = cdev;
if (!IS_REACHABLE(CONFIG_HWMON))
return 0;
diff --git a/drivers/net/wireless/ath/ath11k/trace.h b/drivers/net/wireless/ath/ath11k/trace.h
index 8700a622be7b..66d0aae7816c 100644
--- a/drivers/net/wireless/ath/ath11k/trace.h
+++ b/drivers/net/wireless/ath/ath11k/trace.h
@@ -21,14 +21,16 @@ static inline void trace_ ## name(proto) {}
#define TRACE_SYSTEM ath11k
TRACE_EVENT(ath11k_htt_pktlog,
- TP_PROTO(struct ath11k *ar, const void *buf, u16 buf_len),
+ TP_PROTO(struct ath11k *ar, const void *buf, u16 buf_len,
+ u32 pktlog_checksum),
- TP_ARGS(ar, buf, buf_len),
+ TP_ARGS(ar, buf, buf_len, pktlog_checksum),
TP_STRUCT__entry(
__string(device, dev_name(ar->ab->dev))
__string(driver, dev_driver_string(ar->ab->dev))
__field(u16, buf_len)
+ __field(u32, pktlog_checksum)
__dynamic_array(u8, pktlog, buf_len)
),
@@ -36,14 +38,16 @@ TRACE_EVENT(ath11k_htt_pktlog,
__assign_str(device, dev_name(ar->ab->dev));
__assign_str(driver, dev_driver_string(ar->ab->dev));
__entry->buf_len = buf_len;
+ __entry->pktlog_checksum = pktlog_checksum;
memcpy(__get_dynamic_array(pktlog), buf, buf_len);
),
TP_printk(
- "%s %s size %hu",
+ "%s %s size %hu pktlog_checksum %d",
__get_str(driver),
__get_str(device),
- __entry->buf_len
+ __entry->buf_len,
+ __entry->pktlog_checksum
)
);
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index e7ce36966d6a..c2a972377687 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -87,8 +87,8 @@ static const struct wmi_tlv_policy wmi_tlv_policies[] = {
= { .min_len = sizeof(struct wmi_pdev_bss_chan_info_event) },
[WMI_TAG_VDEV_INSTALL_KEY_COMPLETE_EVENT]
= { .min_len = sizeof(struct wmi_vdev_install_key_compl_event) },
- [WMI_TAG_READY_EVENT]
- = {.min_len = sizeof(struct wmi_ready_event) },
+ [WMI_TAG_READY_EVENT] = {
+ .min_len = sizeof(struct wmi_ready_event_min) },
[WMI_TAG_SERVICE_AVAILABLE_EVENT]
= {.min_len = sizeof(struct wmi_service_available_event) },
[WMI_TAG_PEER_ASSOC_CONF_EVENT]
@@ -2368,6 +2368,146 @@ int ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(struct ath11k *ar,
return ret;
}
+int ath11k_wmi_delba_send(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 initiator, u32 reason)
+{
+ struct ath11k_pdev_wmi *wmi = ar->wmi;
+ struct wmi_delba_send_cmd *cmd;
+ struct sk_buff *skb;
+ int ret;
+
+ skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_delba_send_cmd *)skb->data;
+ cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_DELBA_SEND_CMD) |
+ FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+ cmd->vdev_id = vdev_id;
+ ether_addr_copy(cmd->peer_macaddr.addr, mac);
+ cmd->tid = tid;
+ cmd->initiator = initiator;
+ cmd->reasoncode = reason;
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi delba send vdev_id 0x%X mac_addr %pM tid %u initiator %u reason %u\n",
+ vdev_id, mac, tid, initiator, reason);
+
+ ret = ath11k_wmi_cmd_send(wmi, skb, WMI_DELBA_SEND_CMDID);
+
+ if (ret) {
+ ath11k_warn(ar->ab,
+ "failed to send WMI_DELBA_SEND_CMDID cmd\n");
+ dev_kfree_skb(skb);
+ }
+
+ return ret;
+}
+
+int ath11k_wmi_addba_set_resp(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 status)
+{
+ struct ath11k_pdev_wmi *wmi = ar->wmi;
+ struct wmi_addba_setresponse_cmd *cmd;
+ struct sk_buff *skb;
+ int ret;
+
+ skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_addba_setresponse_cmd *)skb->data;
+ cmd->tlv_header =
+ FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ADDBA_SETRESPONSE_CMD) |
+ FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+ cmd->vdev_id = vdev_id;
+ ether_addr_copy(cmd->peer_macaddr.addr, mac);
+ cmd->tid = tid;
+ cmd->statuscode = status;
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi addba set resp vdev_id 0x%X mac_addr %pM tid %u status %u\n",
+ vdev_id, mac, tid, status);
+
+ ret = ath11k_wmi_cmd_send(wmi, skb, WMI_ADDBA_SET_RESP_CMDID);
+
+ if (ret) {
+ ath11k_warn(ar->ab,
+ "failed to send WMI_ADDBA_SET_RESP_CMDID cmd\n");
+ dev_kfree_skb(skb);
+ }
+
+ return ret;
+}
+
+int ath11k_wmi_addba_send(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 buf_size)
+{
+ struct ath11k_pdev_wmi *wmi = ar->wmi;
+ struct wmi_addba_send_cmd *cmd;
+ struct sk_buff *skb;
+ int ret;
+
+ skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_addba_send_cmd *)skb->data;
+ cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ADDBA_SEND_CMD) |
+ FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+ cmd->vdev_id = vdev_id;
+ ether_addr_copy(cmd->peer_macaddr.addr, mac);
+ cmd->tid = tid;
+ cmd->buffersize = buf_size;
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi addba send vdev_id 0x%X mac_addr %pM tid %u bufsize %u\n",
+ vdev_id, mac, tid, buf_size);
+
+ ret = ath11k_wmi_cmd_send(wmi, skb, WMI_ADDBA_SEND_CMDID);
+
+ if (ret) {
+ ath11k_warn(ar->ab,
+ "failed to send WMI_ADDBA_SEND_CMDID cmd\n");
+ dev_kfree_skb(skb);
+ }
+
+ return ret;
+}
+
+int ath11k_wmi_addba_clear_resp(struct ath11k *ar, u32 vdev_id, const u8 *mac)
+{
+ struct ath11k_pdev_wmi *wmi = ar->wmi;
+ struct wmi_addba_clear_resp_cmd *cmd;
+ struct sk_buff *skb;
+ int ret;
+
+ skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, sizeof(*cmd));
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_addba_clear_resp_cmd *)skb->data;
+ cmd->tlv_header =
+ FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ADDBA_CLEAR_RESP_CMD) |
+ FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+ cmd->vdev_id = vdev_id;
+ ether_addr_copy(cmd->peer_macaddr.addr, mac);
+
+ ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+ "wmi addba clear resp vdev_id 0x%X mac_addr %pM\n",
+ vdev_id, mac);
+
+ ret = ath11k_wmi_cmd_send(wmi, skb, WMI_ADDBA_CLEAR_RESP_CMDID);
+
+ if (ret) {
+ ath11k_warn(ar->ab,
+ "failed to send WMI_ADDBA_CLEAR_RESP_CMDID cmd\n");
+ dev_kfree_skb(skb);
+ }
+
+ return ret;
+}
+
int ath11k_wmi_pdev_peer_pktlog_filter(struct ath11k *ar, u8 *addr, u8 enable)
{
struct ath11k_pdev_wmi *wmi = ar->wmi;
@@ -2779,7 +2919,7 @@ int ath11k_wmi_send_bss_color_change_enable_cmd(struct ath11k *ar, u32 vdev_id,
ret = ath11k_wmi_cmd_send(wmi, skb,
WMI_BSS_COLOR_CHANGE_ENABLE_CMDID);
if (ret) {
- ath11k_warn(ab, "Failed to send WMI_TWT_DIeABLE_CMDID");
+ ath11k_warn(ab, "Failed to send WMI_BSS_COLOR_CHANGE_ENABLE_CMDID");
dev_kfree_skb(skb);
}
return ret;
@@ -3105,7 +3245,7 @@ int ath11k_wmi_cmd_init(struct ath11k_base *ab)
config.beacon_tx_offload_max_vdev = ab->num_radios * TARGET_MAX_BCN_OFFLD;
config.rx_batchmode = TARGET_RX_BATCHMODE;
config.peer_map_unmap_v2_support = 1;
- config.twt_ap_pdev_count = 2;
+ config.twt_ap_pdev_count = ab->num_radios;
config.twt_ap_sta_count = 1000;
memcpy(&wmi_sc->wlan_resource_config, &config, sizeof(config));
@@ -3740,8 +3880,9 @@ static int wmi_process_mgmt_tx_comp(struct ath11k *ar, u32 desc_id,
ieee80211_tx_status_irqsafe(ar->hw, msdu);
- WARN_ON_ONCE(atomic_read(&ar->num_pending_mgmt_tx) == 0);
- atomic_dec(&ar->num_pending_mgmt_tx);
+ /* WARN when we received this event without doing any mgmt tx */
+ if (atomic_dec_if_positive(&ar->num_pending_mgmt_tx) < 0)
+ WARN_ON_ONCE(1);
return 0;
}
@@ -4851,7 +4992,7 @@ static int ath11k_wmi_tlv_rdy_parse(struct ath11k_base *ab, u16 tag, u16 len,
const void *ptr, void *data)
{
struct wmi_tlv_rdy_parse *rdy_parse = data;
- struct wmi_ready_event *fixed_param;
+ struct wmi_ready_event fixed_param;
struct wmi_mac_addr *addr_list;
struct ath11k_pdev *pdev;
u32 num_mac_addr;
@@ -4859,11 +5000,16 @@ static int ath11k_wmi_tlv_rdy_parse(struct ath11k_base *ab, u16 tag, u16 len,
switch (tag) {
case WMI_TAG_READY_EVENT:
- fixed_param = (struct wmi_ready_event *)ptr;
- ab->wlan_init_status = fixed_param->status;
- rdy_parse->num_extra_mac_addr = fixed_param->num_extra_mac_addr;
-
- ether_addr_copy(ab->mac_addr, fixed_param->mac_addr.addr);
+ memset(&fixed_param, 0, sizeof(fixed_param));
+ memcpy(&fixed_param, (struct wmi_ready_event *)ptr,
+ min_t(u16, sizeof(fixed_param), len));
+ ab->wlan_init_status = fixed_param.ready_event_min.status;
+ rdy_parse->num_extra_mac_addr =
+ fixed_param.ready_event_min.num_extra_mac_addr;
+
+ ether_addr_copy(ab->mac_addr,
+ fixed_param.ready_event_min.mac_addr.addr);
+ ab->pktlog_defs_checksum = fixed_param.pktlog_defs_checksum;
ab->wmi_ready = true;
break;
case WMI_TAG_ARRAY_FIXED_STRUCT:
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index 510f9c6bc1d7..b9f3e559ced7 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -39,7 +39,7 @@ struct wmi_cmd_hdr {
struct wmi_tlv {
u32 header;
- u8 value[0];
+ u8 value[];
} __packed;
#define WMI_TLV_LEN GENMASK(15, 0)
@@ -1976,6 +1976,43 @@ enum wmi_tlv_service {
WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI = 174,
WMI_TLV_SERVICE_NAN_DISABLE_SUPPORT = 175,
WMI_TLV_SERVICE_HTT_H2T_NO_HTC_HDR_LEN_IN_MSG_LEN = 176,
+ WMI_TLV_SERVICE_COEX_SUPPORT_UNEQUAL_ISOLATION = 177,
+ WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT = 178,
+ WMI_TLV_SERVICE_SUPPORT_EXTEND_ADDRESS = 179,
+ WMI_TLV_SERVICE_BEACON_RECEPTION_STATS = 180,
+ WMI_TLV_SERVICE_FETCH_TX_PN = 181,
+ WMI_TLV_SERVICE_PEER_UNMAP_RESPONSE_SUPPORT = 182,
+ WMI_TLV_SERVICE_TX_PER_PEER_AMPDU_SIZE = 183,
+ WMI_TLV_SERVICE_BSS_COLOR_SWITCH_COUNT = 184,
+ WMI_TLV_SERVICE_HTT_PEER_STATS_SUPPORT = 185,
+ WMI_TLV_SERVICE_UL_RU26_ALLOWED = 186,
+ WMI_TLV_SERVICE_GET_MWS_COEX_STATE = 187,
+ WMI_TLV_SERVICE_GET_MWS_DPWB_STATE = 188,
+ WMI_TLV_SERVICE_GET_MWS_TDM_STATE = 189,
+ WMI_TLV_SERVICE_GET_MWS_IDRX_STATE = 190,
+ WMI_TLV_SERVICE_GET_MWS_ANTENNA_SHARING_STATE = 191,
+ WMI_TLV_SERVICE_ENHANCED_TPC_CONFIG_EVENT = 192,
+ WMI_TLV_SERVICE_WLM_STATS_REQUEST = 193,
+ WMI_TLV_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT = 194,
+ WMI_TLV_SERVICE_WPA3_FT_SAE_SUPPORT = 195,
+ WMI_TLV_SERVICE_WPA3_FT_SUITE_B_SUPPORT = 196,
+ WMI_TLV_SERVICE_VOW_ENABLE = 197,
+ WMI_TLV_SERVICE_CFR_CAPTURE_IND_EVT_TYPE_1 = 198,
+ WMI_TLV_SERVICE_BROADCAST_TWT = 199,
+ WMI_TLV_SERVICE_RAP_DETECTION_SUPPORT = 200,
+ WMI_TLV_SERVICE_PS_TDCC = 201,
+ WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_LEGACY = 202,
+ WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_OVERRIDE = 203,
+ WMI_TLV_SERVICE_TX_PWR_PER_PEER = 204,
+ WMI_TLV_SERVICE_STA_PLUS_STA_SUPPORT = 205,
+ WMI_TLV_SERVICE_WPA3_FT_FILS = 206,
+ WMI_TLV_SERVICE_ADAPTIVE_11R_ROAM = 207,
+ WMI_TLV_SERVICE_CHAN_RF_CHARACTERIZATION_INFO = 208,
+ WMI_TLV_SERVICE_FW_IFACE_COMBINATION_SUPPORT = 209,
+ WMI_TLV_SERVICE_TX_COMPL_TSF64 = 210,
+ WMI_TLV_SERVICE_DSM_ROAM_FILTER = 211,
+ WMI_TLV_SERVICE_PACKET_CAPTURE_SUPPORT = 212,
+ WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET = 213,
WMI_MAX_EXT_SERVICE
@@ -2345,7 +2382,7 @@ struct wmi_mac_addr {
} __packed;
} __packed;
-struct wmi_ready_event {
+struct wmi_ready_event_min {
struct wmi_abi_version fw_abi_vers;
struct wmi_mac_addr mac_addr;
u32 status;
@@ -2355,6 +2392,12 @@ struct wmi_ready_event {
u32 num_extra_peers;
} __packed;
+struct wmi_ready_event {
+ struct wmi_ready_event_min ready_event_min;
+ u32 max_ast_index;
+ u32 pktlog_defs_checksum;
+} __packed;
+
struct wmi_service_available_event {
u32 wmi_service_segment_offset;
u32 wmi_service_segment_bitmap[WMI_SERVICE_SEGMENT_BM_SIZE32];
@@ -3649,6 +3692,37 @@ struct wmi_therm_throt_level_config_info {
u32 prio;
} __packed;
+struct wmi_delba_send_cmd {
+ u32 tlv_header;
+ u32 vdev_id;
+ struct wmi_mac_addr peer_macaddr;
+ u32 tid;
+ u32 initiator;
+ u32 reasoncode;
+} __packed;
+
+struct wmi_addba_setresponse_cmd {
+ u32 tlv_header;
+ u32 vdev_id;
+ struct wmi_mac_addr peer_macaddr;
+ u32 tid;
+ u32 statuscode;
+} __packed;
+
+struct wmi_addba_send_cmd {
+ u32 tlv_header;
+ u32 vdev_id;
+ struct wmi_mac_addr peer_macaddr;
+ u32 tid;
+ u32 buffersize;
+} __packed;
+
+struct wmi_addba_clear_resp_cmd {
+ u32 tlv_header;
+ u32 vdev_id;
+ struct wmi_mac_addr peer_macaddr;
+} __packed;
+
struct wmi_pdev_pktlog_filter_info {
u32 tlv_header;
struct wmi_mac_addr peer_macaddr;
@@ -4531,6 +4605,9 @@ enum wmi_sta_ps_param_rx_wake_policy {
WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD = 1,
};
+/* Do not change existing values! Used by ath11k_frame_mode parameter
+ * module parameter.
+ */
enum ath11k_hw_txrx_mode {
ATH11K_HW_TXRX_RAW = 0,
ATH11K_HW_TXRX_NATIVE_WIFI = 1,
@@ -4822,6 +4899,13 @@ int ath11k_wmi_send_scan_chan_list_cmd(struct ath11k *ar,
struct scan_chan_list_params *chan_list);
int ath11k_wmi_send_dfs_phyerr_offload_enable_cmd(struct ath11k *ar,
u32 pdev_id);
+int ath11k_wmi_addba_clear_resp(struct ath11k *ar, u32 vdev_id, const u8 *mac);
+int ath11k_wmi_addba_send(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 buf_size);
+int ath11k_wmi_addba_set_resp(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 status);
+int ath11k_wmi_delba_send(struct ath11k *ar, u32 vdev_id, const u8 *mac,
+ u32 tid, u32 initiator, u32 reason);
int ath11k_wmi_send_bcn_offload_control_cmd(struct ath11k *ar,
u32 vdev_id, u32 bcn_ctrl_op);
int
diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c
index 0624333f5430..850c608b43a3 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -501,7 +501,7 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
if (as->ofdm_errors > ofdm_high || as->cck_errors > cck_high) {
/* too many PHY errors - we have to raise immunity */
- bool ofdm_flag = as->ofdm_errors > ofdm_high ? true : false;
+ bool ofdm_flag = as->ofdm_errors > ofdm_high;
ath5k_ani_raise_immunity(ah, as, ofdm_flag);
ath5k_ani_period_restart(as);
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 37cf602d8adf..67f8f2aa7a53 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -3249,22 +3249,19 @@ static int ath6kl_get_antenna(struct wiphy *wiphy,
return 0;
}
-static void ath6kl_mgmt_frame_register(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+static void ath6kl_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
struct ath6kl_vif *vif = ath6kl_vif_from_wdev(wdev);
- ath6kl_dbg(ATH6KL_DBG_WLAN_CFG, "%s: frame_type=0x%x reg=%d\n",
- __func__, frame_type, reg);
- if (frame_type == IEEE80211_STYPE_PROBE_REQ) {
- /*
- * Note: This notification callback is not allowed to sleep, so
- * we cannot send WMI_PROBE_REQ_REPORT_CMD here. Instead, we
- * hardcode target to report Probe Request frames all the time.
- */
- vif->probe_req_report = reg;
- }
+ /*
+ * FIXME: send WMI_PROBE_REQ_REPORT_CMD here instead of hardcoding
+ * the reporting in the target all the time, this callback
+ * *is* allowed to sleep after all.
+ */
+ vif->probe_req_report =
+ upd->interface_stypes & BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
}
static int ath6kl_cfg80211_sscan_start(struct wiphy *wiphy,
@@ -3464,7 +3461,8 @@ static struct cfg80211_ops ath6kl_cfg80211_ops = {
.remain_on_channel = ath6kl_remain_on_channel,
.cancel_remain_on_channel = ath6kl_cancel_remain_on_channel,
.mgmt_tx = ath6kl_mgmt_tx,
- .mgmt_frame_register = ath6kl_mgmt_frame_register,
+ .update_mgmt_frame_registrations =
+ ath6kl_update_mgmt_frame_registrations,
.get_antenna = ath6kl_get_antenna,
.sched_scan_start = ath6kl_cfg80211_sscan_start,
.sched_scan_stop = ath6kl_cfg80211_sscan_stop,
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 0d30e762c090..77e052336eb5 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -160,7 +160,7 @@ enum ath6kl_fw_capability {
struct ath6kl_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath6kl_hw_flags {
@@ -406,7 +406,7 @@ struct ath6kl_mgmt_buff {
u32 id;
bool no_cck;
size_t len;
- u8 buf[0];
+ u8 buf[];
};
struct ath6kl_sta {
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 54337d60f288..7506cea46f58 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -30,7 +30,7 @@ struct ath6kl_fwlog_slot {
__le32 length;
/* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
- u8 payload[0];
+ u8 payload[];
};
#define ATH6KL_FWLOG_MAX_ENTRIES 20
diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h
index dc6bd8cd9b83..f9d3f3a5edfe 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.h
+++ b/drivers/net/wireless/ath/ath6kl/hif.h
@@ -35,12 +35,6 @@
#define MAX_SCATTER_ENTRIES_PER_REQ 16
#define MAX_SCATTER_REQ_TRANSFER_SIZE (32 * 1024)
-#define MANUFACTURER_ID_AR6003_BASE 0x300
-#define MANUFACTURER_ID_AR6004_BASE 0x400
- /* SDIO manufacturer ID and Codes */
-#define MANUFACTURER_ID_ATH6KL_BASE_MASK 0xFF00
-#define MANUFACTURER_CODE 0x271 /* Atheros */
-
/* Mailbox address in SDIO address space */
#define HIF_MBOX_BASE_ADDR 0x800
#define HIF_MBOX_WIDTH 0x800
@@ -199,7 +193,7 @@ struct hif_scatter_req {
u32 scat_q_depth;
- struct hif_scatter_item scat_list[0];
+ struct hif_scatter_item scat_list[];
};
struct ath6kl_irq_proc_registers {
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
index bb50680580f3..6b51a2dceadc 100644
--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -799,8 +799,7 @@ static int ath6kl_sdio_config(struct ath6kl *ar)
sdio_claim_host(func);
- if ((ar_sdio->id->device & MANUFACTURER_ID_ATH6KL_BASE_MASK) >=
- MANUFACTURER_ID_AR6003_BASE) {
+ if (ar_sdio->id->device >= SDIO_DEVICE_ID_ATHEROS_AR6003_00) {
/* enable 4-bit ASYNC interrupt on AR6003 or later */
ret = ath6kl_sdio_func0_cmd52_wr_byte(func->card,
CCCR_SDIO_IRQ_MODE_REG,
@@ -1409,13 +1408,13 @@ static void ath6kl_sdio_remove(struct sdio_func *func)
}
static const struct sdio_device_id ath6kl_sdio_devices[] = {
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x0))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6003_BASE | 0x1))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x0))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x1))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x2))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x18))},
- {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x19))},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6003_00)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6003_01)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6004_00)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6004_01)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6004_02)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6004_18)},
+ {SDIO_DEVICE(SDIO_VENDOR_ID_ATHEROS, SDIO_DEVICE_ID_ATHEROS_AR6004_19)},
{},
};
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
index fd9db8ca99d7..fd53b5f9e9b5 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
@@ -19,6 +19,8 @@
#include "ar9002_phy.h"
#define AR9285_CLCAL_REDO_THRESH 1
+/* AGC & I/Q calibrations time limit, ms */
+#define AR9002_CAL_MAX_TIME 30000
enum ar9002_cal_types {
ADC_GAIN_CAL = BIT(0),
@@ -37,9 +39,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
break;
case ADC_GAIN_CAL:
case ADC_DC_CAL:
- /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
- if (!((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
- IS_CHAN_HT20(chan)))
+ /* Run even/odd ADCs calibrations for HT40 channels only */
+ if (IS_CHAN_HT40(chan))
supported = true;
break;
}
@@ -105,6 +106,14 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
} else {
ar9002_hw_setup_calibration(ah, currCal);
}
+ } else if (time_after(jiffies, ah->cal_start_time +
+ msecs_to_jiffies(AR9002_CAL_MAX_TIME))) {
+ REG_CLR_BIT(ah, AR_PHY_TIMING_CTRL4(0),
+ AR_PHY_TIMING_CTRL4_DO_CAL);
+ ath_dbg(ath9k_hw_common(ah), CALIBRATE,
+ "calibration timeout\n");
+ currCal->calState = CAL_WAITING; /* Try later */
+ iscaldone = true;
}
} else if (!(caldata->CalValid & currCal->calData->calType)) {
ath9k_hw_reset_calibration(ah, currCal);
@@ -664,8 +673,13 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
int ret;
nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
- if (ah->caldata)
+ if (ah->caldata) {
nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
+ if (longcal) /* Remember to not miss */
+ set_bit(LONGCAL_PENDING, &ah->caldata->cal_flags);
+ else if (test_bit(LONGCAL_PENDING, &ah->caldata->cal_flags))
+ longcal = true; /* Respin a previous one */
+ }
percal_pending = (currCal &&
(currCal->calState == CAL_RUNNING ||
@@ -675,9 +689,24 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
if (!ar9002_hw_per_calibration(ah, chan, rxchainmask, currCal))
return 0;
- ah->cal_list_curr = currCal = currCal->calNext;
- if (currCal->calState == CAL_WAITING)
- ath9k_hw_reset_calibration(ah, currCal);
+ /* Looking for next waiting calibration if any */
+ for (currCal = currCal->calNext; currCal != ah->cal_list_curr;
+ currCal = currCal->calNext) {
+ if (currCal->calState == CAL_WAITING)
+ break;
+ }
+ if (currCal->calState == CAL_WAITING) {
+ percal_pending = true;
+ ah->cal_list_curr = currCal;
+ } else {
+ percal_pending = false;
+ ah->cal_list_curr = ah->cal_list;
+ }
+ }
+
+ /* Do not start a next calibration if the longcal is in action */
+ if (percal_pending && !nfcal && !longcal) {
+ ath9k_hw_reset_calibration(ah, currCal);
return 0;
}
@@ -701,6 +730,9 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
}
if (longcal) {
+ if (ah->caldata)
+ clear_bit(LONGCAL_PENDING,
+ &ah->caldata->cal_flags);
ath9k_hw_start_nfcal(ah, false);
/* Do periodic PAOffset Cal */
ar9002_hw_pa_cal(ah, false);
@@ -858,9 +890,6 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
ath9k_hw_loadnf(ah, chan);
ath9k_hw_start_nfcal(ah, true);
- if (ah->caldata)
- set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
-
ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
/* Enable IQ, ADC Gain and ADC DC offset CALs */
diff --git a/drivers/net/wireless/ath/ath9k/calib.c b/drivers/net/wireless/ath/ath9k/calib.c
index 695c779ae8cf..0422a33395b7 100644
--- a/drivers/net/wireless/ath/ath9k/calib.c
+++ b/drivers/net/wireless/ath/ath9k/calib.c
@@ -176,6 +176,7 @@ void ath9k_hw_reset_calibration(struct ath_hw *ah,
ath9k_hw_setup_calibration(ah, currCal);
+ ah->cal_start_time = jiffies;
currCal->calState = CAL_RUNNING;
for (i = 0; i < AR5416_MAX_CHAINS; i++) {
@@ -209,14 +210,17 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
return true;
}
- if (!(ah->supp_cals & currCal->calData->calType))
- return true;
+ currCal = ah->cal_list;
+ do {
+ ath_dbg(common, CALIBRATE, "Resetting Cal %d state for channel %u\n",
+ currCal->calData->calType,
+ ah->curchan->chan->center_freq);
- ath_dbg(common, CALIBRATE, "Resetting Cal %d state for channel %u\n",
- currCal->calData->calType, ah->curchan->chan->center_freq);
+ ah->caldata->CalValid &= ~currCal->calData->calType;
+ currCal->calState = CAL_WAITING;
- ah->caldata->CalValid &= ~currCal->calData->calType;
- currCal->calState = CAL_WAITING;
+ currCal = currCal->calNext;
+ } while (currCal != ah->cal_list);
return false;
}
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index dd0c32379375..4ed21dad6a8e 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -612,6 +612,11 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev,
hif_dev->remain_skb = nskb;
spin_unlock(&hif_dev->rx_lock);
} else {
+ if (pool_index == MAX_PKT_NUM_IN_TRANSFER) {
+ dev_err(&hif_dev->udev->dev,
+ "ath9k_htc: over RX MAX_PKT_NUM\n");
+ goto err;
+ }
nskb = __dev_alloc_skb(pkt_len + 32, GFP_ATOMIC);
if (!nskb) {
dev_err(&hif_dev->udev->dev,
@@ -638,9 +643,9 @@ err:
static void ath9k_hif_usb_rx_cb(struct urb *urb)
{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
- struct hif_device_usb *hif_dev =
- usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+ struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
+ struct hif_device_usb *hif_dev = rx_buf->hif_dev;
+ struct sk_buff *skb = rx_buf->skb;
int ret;
if (!skb)
@@ -680,14 +685,15 @@ resubmit:
return;
free:
kfree_skb(skb);
+ kfree(rx_buf);
}
static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
{
- struct sk_buff *skb = (struct sk_buff *) urb->context;
+ struct rx_buf *rx_buf = (struct rx_buf *)urb->context;
+ struct hif_device_usb *hif_dev = rx_buf->hif_dev;
+ struct sk_buff *skb = rx_buf->skb;
struct sk_buff *nskb;
- struct hif_device_usb *hif_dev =
- usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
int ret;
if (!skb)
@@ -745,6 +751,7 @@ resubmit:
return;
free:
kfree_skb(skb);
+ kfree(rx_buf);
urb->context = NULL;
}
@@ -790,7 +797,7 @@ static int ath9k_hif_usb_alloc_tx_urbs(struct hif_device_usb *hif_dev)
init_usb_anchor(&hif_dev->mgmt_submitted);
for (i = 0; i < MAX_TX_URB_NUM; i++) {
- tx_buf = kzalloc(sizeof(struct tx_buf), GFP_KERNEL);
+ tx_buf = kzalloc(sizeof(*tx_buf), GFP_KERNEL);
if (!tx_buf)
goto err;
@@ -827,8 +834,9 @@ static void ath9k_hif_usb_dealloc_rx_urbs(struct hif_device_usb *hif_dev)
static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
{
- struct urb *urb = NULL;
+ struct rx_buf *rx_buf = NULL;
struct sk_buff *skb = NULL;
+ struct urb *urb = NULL;
int i, ret;
init_usb_anchor(&hif_dev->rx_submitted);
@@ -836,6 +844,12 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
for (i = 0; i < MAX_RX_URB_NUM; i++) {
+ rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
+ if (!rx_buf) {
+ ret = -ENOMEM;
+ goto err_rxb;
+ }
+
/* Allocate URB */
urb = usb_alloc_urb(0, GFP_KERNEL);
if (urb == NULL) {
@@ -850,11 +864,14 @@ static int ath9k_hif_usb_alloc_rx_urbs(struct hif_device_usb *hif_dev)
goto err_skb;
}
+ rx_buf->hif_dev = hif_dev;
+ rx_buf->skb = skb;
+
usb_fill_bulk_urb(urb, hif_dev->udev,
usb_rcvbulkpipe(hif_dev->udev,
USB_WLAN_RX_PIPE),
skb->data, MAX_RX_BUF_SIZE,
- ath9k_hif_usb_rx_cb, skb);
+ ath9k_hif_usb_rx_cb, rx_buf);
/* Anchor URB */
usb_anchor_urb(urb, &hif_dev->rx_submitted);
@@ -880,6 +897,8 @@ err_submit:
err_skb:
usb_free_urb(urb);
err_urb:
+ kfree(rx_buf);
+err_rxb:
ath9k_hif_usb_dealloc_rx_urbs(hif_dev);
return ret;
}
@@ -891,14 +910,21 @@ static void ath9k_hif_usb_dealloc_reg_in_urbs(struct hif_device_usb *hif_dev)
static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
{
- struct urb *urb = NULL;
+ struct rx_buf *rx_buf = NULL;
struct sk_buff *skb = NULL;
+ struct urb *urb = NULL;
int i, ret;
init_usb_anchor(&hif_dev->reg_in_submitted);
for (i = 0; i < MAX_REG_IN_URB_NUM; i++) {
+ rx_buf = kzalloc(sizeof(*rx_buf), GFP_KERNEL);
+ if (!rx_buf) {
+ ret = -ENOMEM;
+ goto err_rxb;
+ }
+
/* Allocate URB */
urb = usb_alloc_urb(0, GFP_KERNEL);
if (urb == NULL) {
@@ -913,11 +939,14 @@ static int ath9k_hif_usb_alloc_reg_in_urbs(struct hif_device_usb *hif_dev)
goto err_skb;
}
+ rx_buf->hif_dev = hif_dev;
+ rx_buf->skb = skb;
+
usb_fill_int_urb(urb, hif_dev->udev,
usb_rcvintpipe(hif_dev->udev,
USB_REG_IN_PIPE),
skb->data, MAX_REG_IN_BUF_SIZE,
- ath9k_hif_usb_reg_in_cb, skb, 1);
+ ath9k_hif_usb_reg_in_cb, rx_buf, 1);
/* Anchor URB */
usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
@@ -943,6 +972,8 @@ err_submit:
err_skb:
usb_free_urb(urb);
err_urb:
+ kfree(rx_buf);
+err_rxb:
ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
return ret;
}
@@ -973,7 +1004,7 @@ err:
return -ENOMEM;
}
-static void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev)
+void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev)
{
usb_kill_anchored_urbs(&hif_dev->regout_submitted);
ath9k_hif_usb_dealloc_reg_in_urbs(hif_dev);
@@ -1341,8 +1372,9 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
if (hif_dev->flags & HIF_USB_READY) {
ath9k_htc_hw_deinit(hif_dev->htc_handle, unplugged);
- ath9k_htc_hw_free(hif_dev->htc_handle);
ath9k_hif_usb_dev_deinit(hif_dev);
+ ath9k_destoy_wmi(hif_dev->htc_handle->drv_priv);
+ ath9k_htc_hw_free(hif_dev->htc_handle);
}
usb_set_intfdata(interface, NULL);
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
index 7846916aa01d..5985aa15ca93 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.h
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -86,6 +86,11 @@ struct tx_buf {
struct list_head list;
};
+struct rx_buf {
+ struct sk_buff *skb;
+ struct hif_device_usb *hif_dev;
+};
+
#define HIF_USB_TX_STOP BIT(0)
#define HIF_USB_TX_FLUSH BIT(1)
@@ -133,5 +138,6 @@ struct hif_device_usb {
int ath9k_hif_usb_init(void);
void ath9k_hif_usb_exit(void);
+void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev);
#endif /* HTC_USB_H */
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index d961095ab01f..1d6ad8d46607 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -780,6 +780,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
}
static int ath9k_init_firmware_version(struct ath9k_htc_priv *priv)
@@ -931,8 +933,9 @@ err_init:
int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
u16 devid, char *product, u32 drv_info)
{
- struct ieee80211_hw *hw;
+ struct hif_device_usb *hif_dev;
struct ath9k_htc_priv *priv;
+ struct ieee80211_hw *hw;
int ret;
hw = ieee80211_alloc_hw(sizeof(struct ath9k_htc_priv), &ath9k_htc_ops);
@@ -967,7 +970,10 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
return 0;
err_init:
- ath9k_deinit_wmi(priv);
+ ath9k_stop_wmi(priv);
+ hif_dev = (struct hif_device_usb *)htc_handle->hif_dev;
+ ath9k_hif_usb_dealloc_urbs(hif_dev);
+ ath9k_destoy_wmi(priv);
err_free:
ieee80211_free_hw(hw);
return ret;
@@ -982,7 +988,7 @@ void ath9k_htc_disconnect_device(struct htc_target *htc_handle, bool hotunplug)
htc_handle->drv_priv->ah->ah_flags |= AH_UNPLUGGED;
ath9k_deinit_device(htc_handle->drv_priv);
- ath9k_deinit_wmi(htc_handle->drv_priv);
+ ath9k_stop_wmi(htc_handle->drv_priv);
ieee80211_free_hw(htc_handle->drv_priv->hw);
}
}
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index 791f6633667c..2b7832b1c800 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1251,6 +1251,7 @@ out:
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC | \
FIF_PROBE_REQ | \
+ FIF_MCAST_ACTION | \
FIF_FCSFAIL)
static void ath9k_htc_configure_filter(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 9cec5c216e1f..b353995bdd45 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -893,7 +893,8 @@ u32 ath9k_htc_calcrxfilter(struct ath9k_htc_priv *priv)
if (priv->rxfilter & FIF_PSPOLL)
rfilt |= ATH9K_RX_FILTER_PSPOLL;
- if (priv->nvifs > 1 || priv->rxfilter & FIF_OTHER_BSS)
+ if (priv->nvifs > 1 ||
+ priv->rxfilter & (FIF_OTHER_BSS | FIF_MCAST_ACTION))
rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
return rfilt;
@@ -999,9 +1000,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
* which are not PHY_ERROR (short radar pulses have a length of 3)
*/
if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) {
- ath_warn(common,
- "Short RX data len, dropping (dlen: %d)\n",
- rs_datalen);
+ ath_dbg(common, ANY,
+ "Short RX data len, dropping (dlen: %d)\n",
+ rs_datalen);
goto rx_next;
}
diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c
index d091c8ebdcf0..d2e062eaf561 100644
--- a/drivers/net/wireless/ath/ath9k/htc_hst.c
+++ b/drivers/net/wireless/ath/ath9k/htc_hst.c
@@ -113,6 +113,9 @@ static void htc_process_conn_rsp(struct htc_target *target,
if (svc_rspmsg->status == HTC_SERVICE_SUCCESS) {
epid = svc_rspmsg->endpoint_id;
+ if (epid < 0 || epid >= ENDPOINT_MAX)
+ return;
+
service_id = be16_to_cpu(svc_rspmsg->service_id);
max_msglen = be16_to_cpu(svc_rspmsg->max_msg_len);
endpoint = &target->endpoint[epid];
@@ -170,7 +173,6 @@ static int htc_config_pipe_credits(struct htc_target *target)
time_left = wait_for_completion_timeout(&target->cmd_wait, HZ);
if (!time_left) {
dev_err(target->dev, "HTC credit config timeout\n");
- kfree_skb(skb);
return -ETIMEDOUT;
}
@@ -206,7 +208,6 @@ static int htc_setup_complete(struct htc_target *target)
time_left = wait_for_completion_timeout(&target->cmd_wait, HZ);
if (!time_left) {
dev_err(target->dev, "HTC start timeout\n");
- kfree_skb(skb);
return -ETIMEDOUT;
}
@@ -279,7 +280,6 @@ int htc_connect_service(struct htc_target *target,
if (!time_left) {
dev_err(target->dev, "Service connection timeout for: %d\n",
service_connreq->service_id);
- kfree_skb(skb);
return -ETIMEDOUT;
}
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 2e4489700a85..023599e10dd5 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -427,6 +427,7 @@ enum ath9k_cal_flags {
TXIQCAL_DONE,
TXCLCAL_DONE,
SW_PKDET_DONE,
+ LONGCAL_PENDING,
};
struct ath9k_hw_cal_data {
@@ -833,6 +834,7 @@ struct ath_hw {
/* Calibration */
u32 supp_cals;
+ unsigned long cal_start_time;
struct ath9k_cal_list iq_caldata;
struct ath9k_cal_list adcgain_caldata;
struct ath9k_cal_list adcdc_caldata;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 17c318902cb8..289a2444d534 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -1012,6 +1012,8 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
}
int ath9k_init_device(u16 devid, struct ath_softc *sc,
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 457e9b0d21ca..a47f6e978095 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1476,6 +1476,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC | \
FIF_PROBE_REQ | \
+ FIF_MCAST_ACTION | \
FIF_FCSFAIL)
/* FIXME: sc->sc_full_reset ? */
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 06e660858766..0c0624a3b40d 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -413,7 +413,8 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
if (sc->cur_chandef.width != NL80211_CHAN_WIDTH_20_NOHT)
rfilt |= ATH9K_RX_FILTER_COMP_BAR;
- if (sc->cur_chan->nvifs > 1 || (sc->cur_chan->rxfilter & FIF_OTHER_BSS)) {
+ if (sc->cur_chan->nvifs > 1 ||
+ (sc->cur_chan->rxfilter & (FIF_OTHER_BSS | FIF_MCAST_ACTION))) {
/* This is needed for older chips */
if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160)
rfilt |= ATH9K_RX_FILTER_PROM;
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index cdc146091194..e7a3127395be 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -112,14 +112,17 @@ struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv)
return wmi;
}
-void ath9k_deinit_wmi(struct ath9k_htc_priv *priv)
+void ath9k_stop_wmi(struct ath9k_htc_priv *priv)
{
struct wmi *wmi = priv->wmi;
mutex_lock(&wmi->op_mutex);
wmi->stopped = true;
mutex_unlock(&wmi->op_mutex);
+}
+void ath9k_destoy_wmi(struct ath9k_htc_priv *priv)
+{
kfree(priv->wmi);
}
@@ -336,7 +339,6 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
ath_dbg(common, WMI, "Timeout waiting for WMI command: %s\n",
wmi_cmd_to_name(cmd_id));
mutex_unlock(&wmi->op_mutex);
- kfree_skb(skb);
return -ETIMEDOUT;
}
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h
index 380175d5ecd7..d8b912206232 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.h
+++ b/drivers/net/wireless/ath/ath9k/wmi.h
@@ -179,7 +179,6 @@ struct wmi {
};
struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv);
-void ath9k_deinit_wmi(struct ath9k_htc_priv *priv);
int ath9k_wmi_connect(struct htc_target *htc, struct wmi *wmi,
enum htc_endpoint_id *wmi_ctrl_epid);
int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
@@ -189,6 +188,8 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
void ath9k_wmi_event_tasklet(unsigned long data);
void ath9k_fatal_work(struct work_struct *work);
void ath9k_wmi_event_drain(struct ath9k_htc_priv *priv);
+void ath9k_stop_wmi(struct ath9k_htc_priv *priv);
+void ath9k_destoy_wmi(struct ath9k_htc_priv *priv);
#define WMI_CMD(_wmi_cmd) \
do { \
diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c
index 51934d191f33..1ab09e1c9ec5 100644
--- a/drivers/net/wireless/ath/carl9170/fw.c
+++ b/drivers/net/wireless/ath/carl9170/fw.c
@@ -338,9 +338,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
if (SUPP(CARL9170FW_WLANTX_CAB)) {
- if_comb_types |=
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_P2P_GO);
+ if_comb_types |= BIT(NL80211_IFTYPE_AP);
#ifdef CONFIG_MAC80211_MESH
if_comb_types |=
diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h
index ea1d80f9a50e..56999a3b9d3b 100644
--- a/drivers/net/wireless/ath/carl9170/fwcmd.h
+++ b/drivers/net/wireless/ath/carl9170/fwcmd.h
@@ -127,7 +127,7 @@ struct carl9170_write_reg {
struct carl9170_write_reg_byte {
__le32 addr;
__le32 count;
- u8 val[0];
+ u8 val[];
} __packed;
#define CARL9170FW_PHY_HT_ENABLE 0x4
diff --git a/drivers/net/wireless/ath/carl9170/hw.h b/drivers/net/wireless/ath/carl9170/hw.h
index 08e0ae9c5836..555ad4975970 100644
--- a/drivers/net/wireless/ath/carl9170/hw.h
+++ b/drivers/net/wireless/ath/carl9170/hw.h
@@ -851,7 +851,7 @@ struct ar9170_stream {
__le16 length;
__le16 tag;
- u8 payload[0];
+ u8 payload[];
} __packed __aligned(4);
#define AR9170_STREAM_LEN 4
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index 5914926a5c5b..816929fb5b14 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -582,11 +582,10 @@ static int carl9170_init_interface(struct ar9170 *ar,
ar->disable_offload |= ((vif->type != NL80211_IFTYPE_STATION) &&
(vif->type != NL80211_IFTYPE_AP));
- /* While the driver supports HW offload in a single
- * P2P client configuration, it doesn't support HW
- * offload in the favourit, concurrent P2P GO+CLIENT
- * configuration. Hence, HW offload will always be
- * disabled for P2P.
+ /* The driver used to have P2P GO+CLIENT support,
+ * but since this was dropped and we don't know if
+ * there are any gremlins lurking in the shadows,
+ * so best we keep HW offload disabled for P2P.
*/
ar->disable_offload |= vif->p2p;
@@ -639,18 +638,6 @@ static int carl9170_op_add_interface(struct ieee80211_hw *hw,
if (vif->type == NL80211_IFTYPE_STATION)
break;
- /* P2P GO [master] use-case
- * Because the P2P GO station is selected dynamically
- * by all participating peers of a WIFI Direct network,
- * the driver has be able to change the main interface
- * operating mode on the fly.
- */
- if (main_vif->p2p && vif->p2p &&
- vif->type == NL80211_IFTYPE_AP) {
- old_main = main_vif;
- break;
- }
-
err = -EBUSY;
rcu_read_unlock();
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index 6ba0fd57c951..aab5a58616fc 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -2240,7 +2240,7 @@ struct wcn36xx_hal_process_ptt_msg_req_msg {
struct wcn36xx_hal_msg_header header;
/* Actual FTM Command body */
- u8 ptt_msg[0];
+ u8 ptt_msg[];
} __packed;
struct wcn36xx_hal_process_ptt_msg_rsp_msg {
@@ -2249,7 +2249,7 @@ struct wcn36xx_hal_process_ptt_msg_rsp_msg {
/* FTM Command response status */
u32 ptt_msg_resp_status;
/* Actual FTM Command body */
- u8 ptt_msg[0];
+ u8 ptt_msg[];
} __packed;
struct update_edca_params_req_msg {
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index e49c306e0eef..702b689c06df 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -1339,7 +1339,7 @@ static int wcn36xx_probe(struct platform_device *pdev)
if (addr && ret != ETH_ALEN) {
wcn36xx_err("invalid local-mac-address\n");
ret = -EINVAL;
- goto out_wq;
+ goto out_destroy_ept;
} else if (addr) {
wcn36xx_info("mac address: %pM\n", addr);
SET_IEEE80211_PERM_ADDR(wcn->hw, addr);
@@ -1347,7 +1347,7 @@ static int wcn36xx_probe(struct platform_device *pdev)
ret = wcn36xx_platform_get_resources(wcn, pdev);
if (ret)
- goto out_wq;
+ goto out_destroy_ept;
wcn36xx_init_ieee80211(wcn);
ret = ieee80211_register_hw(wcn->hw);
@@ -1359,6 +1359,8 @@ static int wcn36xx_probe(struct platform_device *pdev)
out_unmap:
iounmap(wcn->ccu_base);
iounmap(wcn->dxe_base);
+out_destroy_ept:
+ rpmsg_destroy_ept(wcn->smd_channel);
out_wq:
ieee80211_free_hw(hw);
out_err:
diff --git a/drivers/net/wireless/ath/wcn36xx/testmode.h b/drivers/net/wireless/ath/wcn36xx/testmode.h
index 4c6cfdb46580..09d68fab9add 100644
--- a/drivers/net/wireless/ath/wcn36xx/testmode.h
+++ b/drivers/net/wireless/ath/wcn36xx/testmode.h
@@ -20,7 +20,7 @@ struct ftm_rsp_msg {
u16 msg_id;
u16 msg_body_length;
u32 resp_status;
- u8 msg_response[0];
+ u8 msg_response[];
} __packed;
/* The request buffer of FTM which contains a byte of command and the request */
diff --git a/drivers/net/wireless/ath/wil6210/fw.h b/drivers/net/wireless/ath/wil6210/fw.h
index 540fa1607794..440614d61156 100644
--- a/drivers/net/wireless/ath/wil6210/fw.h
+++ b/drivers/net/wireless/ath/wil6210/fw.h
@@ -33,7 +33,7 @@ struct wil_fw_record_head {
*/
struct wil_fw_record_data { /* type == wil_fw_type_data */
__le32 addr;
- __le32 data[0]; /* [data_size], see above */
+ __le32 data[]; /* [data_size], see above */
} __packed;
/* fill with constant @value, @size bytes starting from @addr */
@@ -61,7 +61,7 @@ struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */
/* identifies capabilities record */
struct wil_fw_record_comment_hdr hdr;
/* capabilities (variable size), see enum wmi_fw_capability */
- u8 capabilities[0];
+ u8 capabilities[];
} __packed;
/* FW VIF concurrency encoded inside a comment record
@@ -80,7 +80,7 @@ struct wil_fw_concurrency_combo {
u8 n_diff_channels; /* total number of different channels allowed */
u8 same_bi; /* for APs, 1 if all APs must have same BI */
/* keep last - concurrency limits, variable size by n_limits */
- struct wil_fw_concurrency_limit limits[0];
+ struct wil_fw_concurrency_limit limits[];
} __packed;
struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
@@ -93,7 +93,7 @@ struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
/* number of concurrency combinations that follow */
__le16 n_combos;
/* keep last - combinations, variable size by n_combos */
- struct wil_fw_concurrency_combo combos[0];
+ struct wil_fw_concurrency_combo combos[];
} __packed;
/* brd file info encoded inside a comment record */
@@ -108,7 +108,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
/* identifies brd file record */
struct wil_fw_record_comment_hdr hdr;
__le32 version;
- struct brd_info brd_info[0];
+ struct brd_info brd_info[];
} __packed;
/* perform action
@@ -116,7 +116,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
*/
struct wil_fw_record_action { /* type == wil_fw_type_action */
__le32 action; /* action to perform: reset, wait for fw ready etc. */
- __le32 data[0]; /* action specific, [data_size], see above */
+ __le32 data[]; /* action specific, [data_size], see above */
} __packed;
/* data block for struct wil_fw_record_direct_write */
@@ -179,7 +179,7 @@ struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */
#define WIL_FW_GW_CTL_BUSY BIT(29) /* gateway busy performing operation */
#define WIL_FW_GW_CTL_RUN BIT(30) /* start gateway operation */
__le32 command;
- struct wil_fw_data_gw data[0]; /* total size [data_size], see above */
+ struct wil_fw_data_gw data[]; /* total size [data_size], see above */
} __packed;
/* 4-dword gateway */
@@ -201,7 +201,7 @@ struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */
__le32 gateway_cmd_addr;
__le32 gateway_ctrl_address; /* same logic as for 1-dword gw */
__le32 command;
- struct wil_fw_data_gw4 data[0]; /* total size [data_size], see above */
+ struct wil_fw_data_gw4 data[]; /* total size [data_size], see above */
} __packed;
#endif /* __WIL_FW_H__ */
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 23e1ed6a9d6d..c7136ce567ee 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -222,7 +222,7 @@ struct auth_no_hdr {
__le16 auth_transaction;
__le16 status_code;
/* possibly followed by Challenge text */
- u8 variable[0];
+ u8 variable[];
} __packed;
u8 led_polarity = LED_POLARITY_LOW_ACTIVE;
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
index e3558136e0c4..9affa4525609 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -474,7 +474,7 @@ struct wmi_start_scan_cmd {
struct {
u8 channel;
u8 reserved;
- } channel_list[0];
+ } channel_list[];
} __packed;
#define WMI_MAX_PNO_SSID_NUM (16)
@@ -530,7 +530,7 @@ struct wmi_update_ft_ies_cmd {
/* Length of the FT IEs */
__le16 ie_len;
u8 reserved[2];
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_SET_PROBED_SSID_CMDID */
@@ -575,7 +575,7 @@ struct wmi_set_appie_cmd {
u8 reserved;
/* Length of the IE to be added to MGMT frame */
__le16 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_PXMT_RANGE_CFG_CMDID */
@@ -850,7 +850,7 @@ struct wmi_pcp_start_cmd {
struct wmi_sw_tx_req_cmd {
u8 dst_mac[WMI_MAC_LEN];
__le16 len;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_SW_TX_REQ_EXT_CMDID */
@@ -861,7 +861,7 @@ struct wmi_sw_tx_req_ext_cmd {
/* Channel to use, 0xFF for currently active channel */
u8 channel;
u8 reserved[5];
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_VRING_SWITCH_TIMING_CONFIG_CMDID */
@@ -1423,7 +1423,7 @@ struct wmi_rf_xpm_write_cmd {
u8 verify;
u8 reserved1[3];
/* actual size=num_bytes */
- u8 data_bytes[0];
+ u8 data_bytes[];
} __packed;
/* Possible modes for temperature measurement */
@@ -1572,7 +1572,7 @@ struct wmi_tof_session_start_cmd {
u8 aoa_type;
__le16 num_of_dest;
u8 reserved[4];
- struct wmi_ftm_dest_info ftm_dest_info[0];
+ struct wmi_ftm_dest_info ftm_dest_info[];
} __packed;
/* WMI_TOF_CFG_RESPONDER_CMDID */
@@ -1766,7 +1766,7 @@ struct wmi_internal_fw_ioctl_cmd {
/* payload max size is WMI_MAX_IOCTL_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_INTERNAL_FW_IOCTL_EVENTID */
@@ -1778,7 +1778,7 @@ struct wmi_internal_fw_ioctl_event {
/* payload max size is WMI_MAX_IOCTL_REPLY_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_INTERNAL_FW_EVENT_EVENTID */
@@ -1788,7 +1788,7 @@ struct wmi_internal_fw_event_event {
/* payload max size is WMI_MAX_INTERNAL_EVENT_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_SET_VRING_PRIORITY_WEIGHT_CMDID */
@@ -1818,7 +1818,7 @@ struct wmi_set_vring_priority_cmd {
*/
u8 num_of_vrings;
u8 reserved[3];
- struct wmi_vring_priority vring_priority[0];
+ struct wmi_vring_priority vring_priority[];
} __packed;
/* WMI_BF_CONTROL_CMDID - deprecated */
@@ -1910,7 +1910,7 @@ struct wmi_bf_control_ex_cmd {
u8 each_mcs_cfg_size;
u8 reserved1;
/* Configuration for each MCS */
- struct wmi_bf_control_ex_mcs each_mcs_cfg[0];
+ struct wmi_bf_control_ex_mcs each_mcs_cfg[];
} __packed;
/* WMI_LINK_STATS_CMD */
@@ -2192,7 +2192,7 @@ struct wmi_fw_ver_event {
/* FW capabilities info
* Must be the last member of the struct
*/
- __le32 fw_capabilities[0];
+ __le32 fw_capabilities[];
} __packed;
/* WMI_GET_RF_STATUS_EVENTID */
@@ -2270,7 +2270,7 @@ struct wmi_mac_addr_resp_event {
struct wmi_eapol_rx_event {
u8 src_mac[WMI_MAC_LEN];
__le16 eapol_len;
- u8 eapol[0];
+ u8 eapol[];
} __packed;
/* WMI_READY_EVENTID */
@@ -2343,7 +2343,7 @@ struct wmi_connect_event {
u8 aid;
u8 reserved2[2];
/* not in use */
- u8 assoc_info[0];
+ u8 assoc_info[];
} __packed;
/* disconnect_reason */
@@ -2376,7 +2376,7 @@ struct wmi_disconnect_event {
/* last assoc req may passed to host - not in used */
u8 assoc_resp_len;
/* last assoc req may passed to host - not in used */
- u8 assoc_info[0];
+ u8 assoc_info[];
} __packed;
/* WMI_SCAN_COMPLETE_EVENTID */
@@ -2400,7 +2400,7 @@ struct wmi_ft_auth_status_event {
u8 reserved[3];
u8 mac_addr[WMI_MAC_LEN];
__le16 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_FT_REASSOC_STATUS_EVENTID */
@@ -2418,7 +2418,7 @@ struct wmi_ft_reassoc_status_event {
__le16 reassoc_req_ie_len;
__le16 reassoc_resp_ie_len;
u8 reserved[4];
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* wmi_rx_mgmt_info */
@@ -2461,7 +2461,7 @@ struct wmi_stop_sched_scan_event {
struct wmi_sched_scan_result_event {
struct wmi_rx_mgmt_info info;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT */
@@ -2492,7 +2492,7 @@ struct wmi_acs_passive_scan_complete_event {
__le16 filled;
u8 num_scanned_channels;
u8 reserved;
- struct scan_acs_info scan_info_list[0];
+ struct scan_acs_info scan_info_list[];
} __packed;
/* WMI_BA_STATUS_EVENTID */
@@ -2751,7 +2751,7 @@ struct wmi_rf_xpm_read_result_event {
u8 status;
u8 reserved[3];
/* requested num_bytes of data */
- u8 data_bytes[0];
+ u8 data_bytes[];
} __packed;
/* EVENT: WMI_RF_XPM_WRITE_RESULT_EVENTID */
@@ -2769,7 +2769,7 @@ struct wmi_tx_mgmt_packet_event {
/* WMI_RX_MGMT_PACKET_EVENTID */
struct wmi_rx_mgmt_packet_event {
struct wmi_rx_mgmt_info info;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_ECHO_RSP_EVENTID */
@@ -2969,7 +2969,7 @@ struct wmi_rs_cfg_ex_cmd {
u8 each_mcs_cfg_size;
u8 reserved[3];
/* Configuration for each MCS */
- struct wmi_rs_cfg_ex_mcs each_mcs_cfg[0];
+ struct wmi_rs_cfg_ex_mcs each_mcs_cfg[];
} __packed;
/* WMI_RS_CFG_EX_EVENTID */
@@ -3178,7 +3178,7 @@ struct wmi_get_detailed_rs_res_ex_event {
u8 each_mcs_results_size;
u8 reserved1[3];
/* Results for each MCS */
- struct wmi_rs_results_ex_mcs each_mcs_results[0];
+ struct wmi_rs_results_ex_mcs each_mcs_results[];
} __packed;
/* BRP antenna limit mode */
@@ -3320,7 +3320,7 @@ struct wmi_set_link_monitor_cmd {
u8 rssi_hyst;
u8 reserved[12];
u8 rssi_thresholds_list_size;
- s8 rssi_thresholds_list[0];
+ s8 rssi_thresholds_list[];
} __packed;
/* wmi_link_monitor_event_type */
@@ -3637,7 +3637,7 @@ struct wmi_tof_ftm_per_dest_res_event {
/* Measurments are from RFs, defined by the mask */
__le32 meas_rf_mask;
u8 reserved0[3];
- struct wmi_responder_ftm_res responder_ftm_res[0];
+ struct wmi_responder_ftm_res responder_ftm_res[];
} __packed;
/* WMI_TOF_CFG_RESPONDER_EVENTID */
@@ -3669,7 +3669,7 @@ struct wmi_tof_channel_info_event {
/* data report length */
u8 len;
/* data report payload */
- u8 report[0];
+ u8 report[];
} __packed;
/* WMI_TOF_SET_TX_RX_OFFSET_EVENTID */
@@ -4085,7 +4085,7 @@ struct wmi_link_stats_event {
u8 has_next;
u8 reserved[5];
/* a stream of wmi_link_stats_record_s */
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_LINK_STATS_EVENT */
@@ -4094,7 +4094,7 @@ struct wmi_link_stats_record {
u8 record_type_id;
u8 reserved;
__le16 record_size;
- u8 record[0];
+ u8 record[];
} __packed;
/* WMI_LINK_STATS_TYPE_BASIC */
diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c
index 74538085cfb7..d5875836068c 100644
--- a/drivers/net/wireless/atmel/atmel.c
+++ b/drivers/net/wireless/atmel/atmel.c
@@ -798,7 +798,6 @@ static void tx_update_descriptor(struct atmel_private *priv, int is_bcast,
static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
{
- static const u8 SNAP_RFC1024[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
struct atmel_private *priv = netdev_priv(dev);
struct ieee80211_hdr header;
unsigned long flags;
@@ -853,7 +852,7 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
}
if (priv->use_wpa)
- memcpy(&header.addr4, SNAP_RFC1024, ETH_ALEN);
+ memcpy(&header.addr4, rfc1042_header, ETH_ALEN);
header.frame_control = cpu_to_le16(frame_ctl);
/* Copy the wireless header into the card */
diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c
index 39da1a4c30ac..3ad94dad2d89 100644
--- a/drivers/net/wireless/broadcom/b43/main.c
+++ b/drivers/net/wireless/broadcom/b43/main.c
@@ -5569,7 +5569,7 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
/* fill hw info */
ieee80211_hw_set(hw, RX_INCLUDES_FCS);
ieee80211_hw_set(hw, SIGNAL_DBM);
-
+ ieee80211_hw_set(hw, MFP_CAPABLE);
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_MESH_POINT) |
diff --git a/drivers/net/wireless/broadcom/b43/phy_n.c b/drivers/net/wireless/broadcom/b43/phy_n.c
index d3c001fa8eb4..c33b4235839d 100644
--- a/drivers/net/wireless/broadcom/b43/phy_n.c
+++ b/drivers/net/wireless/broadcom/b43/phy_n.c
@@ -5507,7 +5507,7 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
core = (cmd & 0x3000) >> 12;
type = (cmd & 0x0F00) >> 8;
- if (phy6or5x && updated[core] == 0) {
+ if (phy6or5x && !updated[core]) {
b43_nphy_update_tx_cal_ladder(dev, core);
updated[core] = true;
}
diff --git a/drivers/net/wireless/broadcom/b43/pio.c b/drivers/net/wireless/broadcom/b43/pio.c
index 69f8b46c9015..1a11c5dfb8d9 100644
--- a/drivers/net/wireless/broadcom/b43/pio.c
+++ b/drivers/net/wireless/broadcom/b43/pio.c
@@ -765,7 +765,7 @@ void b43_pio_rx(struct b43_pio_rxqueue *q)
bool stop;
while (1) {
- stop = (pio_rx_frame(q) == 0);
+ stop = !pio_rx_frame(q);
if (stop)
break;
cond_resched();
diff --git a/drivers/net/wireless/broadcom/b43/sdio.c b/drivers/net/wireless/broadcom/b43/sdio.c
index 881a7938c494..02b0cfd535ab 100644
--- a/drivers/net/wireless/broadcom/b43/sdio.c
+++ b/drivers/net/wireless/broadcom/b43/sdio.c
@@ -180,8 +180,8 @@ static void b43_sdio_remove(struct sdio_func *func)
}
static const struct sdio_device_id b43_sdio_ids[] = {
- { SDIO_DEVICE(0x02d0, 0x044b) }, /* Nintendo Wii WLAN daughter card */
- { SDIO_DEVICE(0x0092, 0x0004) }, /* C-guys, Inc. EW-CG1102GC */
+ { SDIO_DEVICE(SDIO_VENDOR_ID_BROADCOM, SDIO_DEVICE_ID_BROADCOM_NINTENDO_WII) },
+ { SDIO_DEVICE(SDIO_VENDOR_ID_CGUYS, SDIO_DEVICE_ID_CGUYS_EW_CG1102GC) },
{ },
};
diff --git a/drivers/net/wireless/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c
index 058745219516..55babc6d1091 100644
--- a/drivers/net/wireless/broadcom/b43/xmit.c
+++ b/drivers/net/wireless/broadcom/b43/xmit.c
@@ -629,19 +629,6 @@ static s8 b43_rssi_postprocess(struct b43_wldev *dev,
return (s8) tmp;
}
-//TODO
-#if 0
-static s8 b43_rssinoise_postprocess(struct b43_wldev *dev, u8 in_rssi)
-{
- struct b43_phy *phy = &dev->phy;
- s8 ret;
-
- ret = b43_rssi_postprocess(dev, in_rssi, 0, 1, 1);
-
- return ret;
-}
-#endif
-
void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
{
struct ieee80211_rx_status status;
diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c
index 8b6b657c4b85..5208a39fd6f7 100644
--- a/drivers/net/wireless/broadcom/b43legacy/main.c
+++ b/drivers/net/wireless/broadcom/b43legacy/main.c
@@ -3801,6 +3801,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev)
/* fill hw info */
ieee80211_hw_set(hw, RX_INCLUDES_FCS);
ieee80211_hw_set(hw, SIGNAL_DBM);
+ ieee80211_hw_set(hw, MFP_CAPABLE); /* Allow WPA3 in software */
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.c b/drivers/net/wireless/broadcom/b43legacy/xmit.c
index e9b23c2e5bd4..efd63f4ce74f 100644
--- a/drivers/net/wireless/broadcom/b43legacy/xmit.c
+++ b/drivers/net/wireless/broadcom/b43legacy/xmit.c
@@ -558,6 +558,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
default:
b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n",
chanstat);
+ goto drop;
}
memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index b684a5b6d904..46346cb3bc84 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -43,7 +43,8 @@
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
-#define SDIO_4359_FUNC2_BLOCKSIZE 256
+#define SDIO_4373_FUNC2_BLOCKSIZE 256
+#define SDIO_435X_FUNC2_BLOCKSIZE 256
/* Maximum milliseconds to wait for F2 to come up */
#define SDIO_WAIT_F2RDY 3000
@@ -910,13 +911,28 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
sdio_release_host(sdiodev->func1);
goto out;
}
- if (sdiodev->func2->device == SDIO_DEVICE_ID_BROADCOM_4359)
- f2_blksz = SDIO_4359_FUNC2_BLOCKSIZE;
+ switch (sdiodev->func2->device) {
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
+ f2_blksz = SDIO_4373_FUNC2_BLOCKSIZE;
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_4359:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4354:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4356:
+ f2_blksz = SDIO_435X_FUNC2_BLOCKSIZE;
+ break;
+ default:
+ break;
+ }
+
ret = sdio_set_block_size(sdiodev->func2, f2_blksz);
if (ret) {
brcmf_err("Failed to set F2 blocksize\n");
sdio_release_host(sdiodev->func1);
goto out;
+ } else {
+ brcmf_dbg(SDIO, "set F2 blocksize to %d\n", f2_blksz);
}
/* increase F2 timeout */
@@ -961,7 +977,7 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43340),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43341),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43362),
- BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43364),
+ BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43364),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4335_4339),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4339),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43430),
@@ -970,9 +986,9 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4359),
- BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_4373),
- BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_43012),
- BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_89359),
+ BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373),
+ BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012),
+ BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_89359),
{ /* end: all zeroes */ }
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 2ba165330038..a757abd7a599 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -23,6 +23,7 @@
#include "p2p.h"
#include "btcoex.h"
#include "pno.h"
+#include "fwsignal.h"
#include "cfg80211.h"
#include "feature.h"
#include "fwil.h"
@@ -1819,6 +1820,10 @@ brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme)
switch (sme->crypto.akm_suites[0]) {
case WLAN_AKM_SUITE_SAE:
val = WPA3_AUTH_SAE_PSK;
+ if (sme->crypto.sae_pwd) {
+ brcmf_dbg(INFO, "using SAE offload\n");
+ profile->use_fwsup = BRCMF_PROFILE_FWSUP_SAE;
+ }
break;
default:
bphy_err(drvr, "invalid cipher group (%d)\n",
@@ -2104,11 +2109,6 @@ brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev,
goto done;
}
- if (sme->crypto.sae_pwd) {
- brcmf_dbg(INFO, "using SAE offload\n");
- profile->use_fwsup = BRCMF_PROFILE_FWSUP_SAE;
- }
-
if (sme->crypto.psk &&
profile->use_fwsup != BRCMF_PROFILE_FWSUP_SAE) {
if (WARN_ON(profile->use_fwsup != BRCMF_PROFILE_FWSUP_NONE)) {
@@ -2468,6 +2468,17 @@ brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
if (!ext_key)
key->flags = BRCMF_PRIMARY_KEY;
+ if (params->seq && params->seq_len == 6) {
+ /* rx iv */
+ u8 *ivptr;
+
+ ivptr = (u8 *)params->seq;
+ key->rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) |
+ (ivptr[3] << 8) | ivptr[2];
+ key->rxiv.lo = (ivptr[1] << 8) | ivptr[0];
+ key->iv_initialized = true;
+ }
+
switch (params->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
key->algo = CRYPTO_ALGO_WEP1;
@@ -4449,6 +4460,11 @@ s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
mgmt_ie_len = &saved_ie->assoc_req_ie_len;
mgmt_ie_buf_len = sizeof(saved_ie->assoc_req_ie);
break;
+ case BRCMF_VNDR_IE_ASSOCRSP_FLAG:
+ mgmt_ie_buf = saved_ie->assoc_res_ie;
+ mgmt_ie_len = &saved_ie->assoc_res_ie_len;
+ mgmt_ie_buf_len = sizeof(saved_ie->assoc_res_ie);
+ break;
default:
err = -EPERM;
bphy_err(drvr, "not suitable type\n");
@@ -4595,6 +4611,57 @@ brcmf_config_ap_mgmt_ie(struct brcmf_cfg80211_vif *vif,
else
brcmf_dbg(TRACE, "Applied Vndr IEs for Probe Resp\n");
+ /* Set Assoc Response IEs to FW */
+ err = brcmf_vif_set_mgmt_ie(vif, BRCMF_VNDR_IE_ASSOCRSP_FLAG,
+ beacon->assocresp_ies,
+ beacon->assocresp_ies_len);
+ if (err)
+ brcmf_err("Set Assoc Resp IE Failed\n");
+ else
+ brcmf_dbg(TRACE, "Applied Vndr IEs for Assoc Resp\n");
+
+ return err;
+}
+
+static s32
+brcmf_parse_configure_security(struct brcmf_if *ifp,
+ struct cfg80211_ap_settings *settings,
+ enum nl80211_iftype dev_role)
+{
+ const struct brcmf_tlv *rsn_ie;
+ const struct brcmf_vs_tlv *wpa_ie;
+ s32 err = 0;
+
+ /* find the RSN_IE */
+ rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
+ settings->beacon.tail_len, WLAN_EID_RSN);
+
+ /* find the WPA_IE */
+ wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
+ settings->beacon.tail_len);
+
+ if (wpa_ie || rsn_ie) {
+ brcmf_dbg(TRACE, "WPA(2) IE is found\n");
+ if (wpa_ie) {
+ /* WPA IE */
+ err = brcmf_configure_wpaie(ifp, wpa_ie, false);
+ if (err < 0)
+ return err;
+ } else {
+ struct brcmf_vs_tlv *tmp_ie;
+
+ tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
+
+ /* RSN IE */
+ err = brcmf_configure_wpaie(ifp, tmp_ie, true);
+ if (err < 0)
+ return err;
+ }
+ } else {
+ brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
+ brcmf_configure_opensecurity(ifp);
+ }
+
return err;
}
@@ -4610,8 +4677,6 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
const struct brcmf_tlv *country_ie;
struct brcmf_ssid_le ssid_le;
s32 err = -EPERM;
- const struct brcmf_tlv *rsn_ie;
- const struct brcmf_vs_tlv *wpa_ie;
struct brcmf_join_params join_params;
enum nl80211_iftype dev_role;
struct brcmf_fil_bss_enable_le bss_enable;
@@ -4665,36 +4730,6 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
brcmf_configure_arp_nd_offload(ifp, false);
}
- /* find the RSN_IE */
- rsn_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail,
- settings->beacon.tail_len, WLAN_EID_RSN);
-
- /* find the WPA_IE */
- wpa_ie = brcmf_find_wpaie((u8 *)settings->beacon.tail,
- settings->beacon.tail_len);
-
- if ((wpa_ie != NULL || rsn_ie != NULL)) {
- brcmf_dbg(TRACE, "WPA(2) IE is found\n");
- if (wpa_ie != NULL) {
- /* WPA IE */
- err = brcmf_configure_wpaie(ifp, wpa_ie, false);
- if (err < 0)
- goto exit;
- } else {
- struct brcmf_vs_tlv *tmp_ie;
-
- tmp_ie = (struct brcmf_vs_tlv *)rsn_ie;
-
- /* RSN IE */
- err = brcmf_configure_wpaie(ifp, tmp_ie, true);
- if (err < 0)
- goto exit;
- }
- } else {
- brcmf_dbg(TRACE, "No WPA(2) IEs found\n");
- brcmf_configure_opensecurity(ifp);
- }
-
/* Parameters shared by all radio interfaces */
if (!mbss) {
if ((supports_11d) && (is_11d != ifp->vif->is_11d)) {
@@ -4727,7 +4762,8 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
if ((dev_role == NL80211_IFTYPE_AP) &&
((ifp->ifidx == 0) ||
- !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
+ (!brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB) &&
+ !brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)))) {
err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_DOWN, 1);
if (err < 0) {
bphy_err(drvr, "BRCMF_C_DOWN error %d\n",
@@ -4775,6 +4811,14 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
bphy_err(drvr, "BRCMF_C_UP error (%d)\n", err);
goto exit;
}
+
+ err = brcmf_parse_configure_security(ifp, settings,
+ NL80211_IFTYPE_AP);
+ if (err < 0) {
+ bphy_err(drvr, "brcmf_parse_configure_security error\n");
+ goto exit;
+ }
+
/* On DOWN the firmware removes the WEP keys, reconfigure
* them if they were set.
*/
@@ -4807,6 +4851,14 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev,
chanspec, err);
goto exit;
}
+
+ err = brcmf_parse_configure_security(ifp, settings,
+ NL80211_IFTYPE_P2P_GO);
+ if (err < 0) {
+ brcmf_err("brcmf_parse_configure_security error\n");
+ goto exit;
+ }
+
err = brcmf_fil_bsscfg_data_set(ifp, "ssid", &ssid_le,
sizeof(ssid_le));
if (err < 0) {
@@ -4979,21 +5031,15 @@ brcmf_cfg80211_change_station(struct wiphy *wiphy, struct net_device *ndev,
}
static void
-brcmf_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+brcmf_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
struct brcmf_cfg80211_vif *vif;
- u16 mgmt_type;
-
- brcmf_dbg(TRACE, "Enter, frame_type %04x, reg=%d\n", frame_type, reg);
- mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev);
- if (reg)
- vif->mgmt_rx_reg |= BIT(mgmt_type);
- else
- vif->mgmt_rx_reg &= ~BIT(mgmt_type);
+
+ vif->mgmt_rx_reg = upd->interface_stypes;
}
@@ -5408,7 +5454,8 @@ static struct cfg80211_ops brcmf_cfg80211_ops = {
.change_station = brcmf_cfg80211_change_station,
.sched_scan_start = brcmf_cfg80211_sched_scan_start,
.sched_scan_stop = brcmf_cfg80211_sched_scan_stop,
- .mgmt_frame_register = brcmf_cfg80211_mgmt_frame_register,
+ .update_mgmt_frame_registrations =
+ brcmf_cfg80211_update_mgmt_frame_registrations,
.mgmt_tx = brcmf_cfg80211_mgmt_tx,
.remain_on_channel = brcmf_p2p_remain_on_channel,
.cancel_remain_on_channel = brcmf_cfg80211_cancel_remain_on_channel,
@@ -5495,7 +5542,8 @@ static bool brcmf_is_linkup(struct brcmf_cfg80211_vif *vif,
u32 event = e->event_code;
u32 status = e->status;
- if (vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_PSK &&
+ if ((vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_PSK ||
+ vif->profile.use_fwsup == BRCMF_PROFILE_FWSUP_SAE) &&
event == BRCMF_E_PSK_SUP &&
status == BRCMF_E_STATUS_FWSUP_COMPLETED)
set_bit(BRCMF_VIF_STATUS_EAP_SUCCESS, &vif->sme_state);
@@ -5571,12 +5619,151 @@ static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_info *cfg)
conn_info->resp_ie_len = 0;
}
+u8 brcmf_map_prio_to_prec(void *config, u8 prio)
+{
+ struct brcmf_cfg80211_info *cfg = (struct brcmf_cfg80211_info *)config;
+
+ if (!cfg)
+ return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ?
+ (prio ^ 2) : prio;
+
+ /* For those AC(s) with ACM flag set to 1, convert its 4-level priority
+ * to an 8-level precedence which is the same as BE's
+ */
+ if (prio > PRIO_8021D_EE &&
+ cfg->ac_priority[prio] == cfg->ac_priority[PRIO_8021D_BE])
+ return cfg->ac_priority[prio] * 2;
+
+ /* Conversion of 4-level priority to 8-level precedence */
+ if (prio == PRIO_8021D_BE || prio == PRIO_8021D_BK ||
+ prio == PRIO_8021D_CL || prio == PRIO_8021D_VO)
+ return cfg->ac_priority[prio] * 2;
+ else
+ return cfg->ac_priority[prio] * 2 + 1;
+}
+
+u8 brcmf_map_prio_to_aci(void *config, u8 prio)
+{
+ /* Prio here refers to the 802.1d priority in range of 0 to 7.
+ * ACI here refers to the WLAN AC Index in range of 0 to 3.
+ * This function will return ACI corresponding to input prio.
+ */
+ struct brcmf_cfg80211_info *cfg = (struct brcmf_cfg80211_info *)config;
+
+ if (cfg)
+ return cfg->ac_priority[prio];
+
+ return prio;
+}
+
+static void brcmf_init_wmm_prio(u8 *priority)
+{
+ /* Initialize AC priority array to default
+ * 802.1d priority as per following table:
+ * 802.1d prio 0,3 maps to BE
+ * 802.1d prio 1,2 maps to BK
+ * 802.1d prio 4,5 maps to VI
+ * 802.1d prio 6,7 maps to VO
+ */
+ priority[0] = BRCMF_FWS_FIFO_AC_BE;
+ priority[3] = BRCMF_FWS_FIFO_AC_BE;
+ priority[1] = BRCMF_FWS_FIFO_AC_BK;
+ priority[2] = BRCMF_FWS_FIFO_AC_BK;
+ priority[4] = BRCMF_FWS_FIFO_AC_VI;
+ priority[5] = BRCMF_FWS_FIFO_AC_VI;
+ priority[6] = BRCMF_FWS_FIFO_AC_VO;
+ priority[7] = BRCMF_FWS_FIFO_AC_VO;
+}
+
+static void brcmf_wifi_prioritize_acparams(const
+ struct brcmf_cfg80211_edcf_acparam *acp, u8 *priority)
+{
+ u8 aci;
+ u8 aifsn;
+ u8 ecwmin;
+ u8 ecwmax;
+ u8 acm;
+ u8 ranking_basis[EDCF_AC_COUNT];
+ u8 aci_prio[EDCF_AC_COUNT]; /* AC_BE, AC_BK, AC_VI, AC_VO */
+ u8 index;
+
+ for (aci = 0; aci < EDCF_AC_COUNT; aci++, acp++) {
+ aifsn = acp->ACI & EDCF_AIFSN_MASK;
+ acm = (acp->ACI & EDCF_ACM_MASK) ? 1 : 0;
+ ecwmin = acp->ECW & EDCF_ECWMIN_MASK;
+ ecwmax = (acp->ECW & EDCF_ECWMAX_MASK) >> EDCF_ECWMAX_SHIFT;
+ brcmf_dbg(CONN, "ACI %d aifsn %d acm %d ecwmin %d ecwmax %d\n",
+ aci, aifsn, acm, ecwmin, ecwmax);
+ /* Default AC_VO will be the lowest ranking value */
+ ranking_basis[aci] = aifsn + ecwmin + ecwmax;
+ /* Initialise priority starting at 0 (AC_BE) */
+ aci_prio[aci] = 0;
+
+ /* If ACM is set, STA can't use this AC as per 802.11.
+ * Change the ranking to BE
+ */
+ if (aci != AC_BE && aci != AC_BK && acm == 1)
+ ranking_basis[aci] = ranking_basis[AC_BE];
+ }
+
+ /* Ranking method which works for AC priority
+ * swapping when values for cwmin, cwmax and aifsn are varied
+ * Compare each aci_prio against each other aci_prio
+ */
+ for (aci = 0; aci < EDCF_AC_COUNT; aci++) {
+ for (index = 0; index < EDCF_AC_COUNT; index++) {
+ if (index != aci) {
+ /* Smaller ranking value has higher priority,
+ * so increment priority for each ACI which has
+ * a higher ranking value
+ */
+ if (ranking_basis[aci] < ranking_basis[index])
+ aci_prio[aci]++;
+ }
+ }
+ }
+
+ /* By now, aci_prio[] will be in range of 0 to 3.
+ * Use ACI prio to get the new priority value for
+ * each 802.1d traffic type, in this range.
+ */
+ if (!(aci_prio[AC_BE] == aci_prio[AC_BK] &&
+ aci_prio[AC_BK] == aci_prio[AC_VI] &&
+ aci_prio[AC_VI] == aci_prio[AC_VO])) {
+ /* 802.1d 0,3 maps to BE */
+ priority[0] = aci_prio[AC_BE];
+ priority[3] = aci_prio[AC_BE];
+
+ /* 802.1d 1,2 maps to BK */
+ priority[1] = aci_prio[AC_BK];
+ priority[2] = aci_prio[AC_BK];
+
+ /* 802.1d 4,5 maps to VO */
+ priority[4] = aci_prio[AC_VI];
+ priority[5] = aci_prio[AC_VI];
+
+ /* 802.1d 6,7 maps to VO */
+ priority[6] = aci_prio[AC_VO];
+ priority[7] = aci_prio[AC_VO];
+ } else {
+ /* Initialize to default priority */
+ brcmf_init_wmm_prio(priority);
+ }
+
+ brcmf_dbg(CONN, "Adj prio BE 0->%d, BK 1->%d, BK 2->%d, BE 3->%d\n",
+ priority[0], priority[1], priority[2], priority[3]);
+
+ brcmf_dbg(CONN, "Adj prio VI 4->%d, VI 5->%d, VO 6->%d, VO 7->%d\n",
+ priority[4], priority[5], priority[6], priority[7]);
+}
+
static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
struct brcmf_if *ifp)
{
struct brcmf_pub *drvr = cfg->pub;
struct brcmf_cfg80211_assoc_ielen_le *assoc_info;
struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg);
+ struct brcmf_cfg80211_edcf_acparam edcf_acparam_info[EDCF_AC_COUNT];
u32 req_len;
u32 resp_len;
s32 err = 0;
@@ -5625,6 +5812,17 @@ static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_info *cfg,
GFP_KERNEL);
if (!conn_info->resp_ie)
conn_info->resp_ie_len = 0;
+
+ err = brcmf_fil_iovar_data_get(ifp, "wme_ac_sta",
+ edcf_acparam_info,
+ sizeof(edcf_acparam_info));
+ if (err) {
+ brcmf_err("could not get wme_ac_sta (%d)\n", err);
+ return err;
+ }
+
+ brcmf_wifi_prioritize_acparams(edcf_acparam_info,
+ cfg->ac_priority);
} else {
conn_info->resp_ie_len = 0;
conn_info->resp_ie = NULL;
@@ -6041,6 +6239,7 @@ static s32 wl_init_priv(struct brcmf_cfg80211_info *cfg)
mutex_init(&cfg->usr_sync);
brcmf_init_escan(cfg);
brcmf_init_conf(cfg->conf);
+ brcmf_init_wmm_prio(cfg->ac_priority);
init_completion(&cfg->vif_disabled);
return err;
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index 6ce48f6275a4..333fdf394f95 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -23,6 +23,23 @@
#define WL_ROAM_TRIGGER_LEVEL -75
#define WL_ROAM_DELTA 20
+/* WME Access Category Indices (ACIs) */
+#define AC_BE 0 /* Best Effort */
+#define AC_BK 1 /* Background */
+#define AC_VI 2 /* Video */
+#define AC_VO 3 /* Voice */
+#define EDCF_AC_COUNT 4
+#define MAX_8021D_PRIO 8
+
+#define EDCF_ACI_MASK 0x60
+#define EDCF_ACI_SHIFT 5
+#define EDCF_ACM_MASK 0x10
+#define EDCF_ECWMIN_MASK 0x0f
+#define EDCF_ECWMAX_SHIFT 4
+#define EDCF_AIFSN_MASK 0x0f
+#define EDCF_AIFSN_MAX 15
+#define EDCF_ECWMAX_MASK 0xf0
+
/* Keep BRCMF_ESCAN_BUF_SIZE below 64K (65536). Allocing over 64K can be
* problematic on some systems and should be avoided.
*/
@@ -153,19 +170,23 @@ enum brcmf_vif_status {
* @probe_req_ie: IE info for probe request.
* @probe_res_ie: IE info for probe response.
* @beacon_ie: IE info for beacon frame.
+ * @assoc_res_ie: IE info for association response frame.
* @probe_req_ie_len: IE info length for probe request.
* @probe_res_ie_len: IE info length for probe response.
* @beacon_ie_len: IE info length for beacon frame.
+ * @assoc_res_ie_len: IE info length for association response frame.
*/
struct vif_saved_ie {
u8 probe_req_ie[IE_MAX_LEN];
u8 probe_res_ie[IE_MAX_LEN];
u8 beacon_ie[IE_MAX_LEN];
u8 assoc_req_ie[IE_MAX_LEN];
+ u8 assoc_res_ie[IE_MAX_LEN];
u32 probe_req_ie_len;
u32 probe_res_ie_len;
u32 beacon_ie_len;
u32 assoc_req_ie_len;
+ u32 assoc_res_ie_len;
};
/**
@@ -205,6 +226,12 @@ struct brcmf_cfg80211_assoc_ielen_le {
__le32 resp_len;
};
+struct brcmf_cfg80211_edcf_acparam {
+ u8 ACI;
+ u8 ECW;
+ u16 TXOP; /* stored in network order (ls octet first) */
+};
+
/* dongle escan state */
enum wl_escan_state {
WL_ESCAN_STATE_IDLE,
@@ -323,6 +350,7 @@ struct brcmf_cfg80211_info {
struct brcmf_assoclist_le assoclist;
struct brcmf_cfg80211_wowl wowl;
struct brcmf_pno_info *pno;
+ u8 ac_priority[MAX_8021D_PRIO];
};
/**
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
index 144cf4570bc3..8b5f49997c8b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.h
@@ -72,4 +72,8 @@ static inline void
brcmf_dmi_probe(struct brcmf_mp_device *settings, u32 chip, u32 chiprev) {}
#endif
+u8 brcmf_map_prio_to_prec(void *cfg, u8 prio);
+
+u8 brcmf_map_prio_to_aci(void *cfg, u8 prio);
+
#endif /* BRCMFMAC_COMMON_H */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
index 49db54d23e03..e44236cb210e 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/commonring.c
@@ -180,14 +180,8 @@ again:
int brcmf_commonring_write_complete(struct brcmf_commonring *commonring)
{
- void *address;
-
- address = commonring->buf_addr;
- address += (commonring->f_ptr * commonring->item_len);
- if (commonring->f_ptr > commonring->w_ptr) {
- address = commonring->buf_addr;
+ if (commonring->f_ptr > commonring->w_ptr)
commonring->f_ptr = 0;
- }
commonring->f_ptr = commonring->w_ptr;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 436f501be937..c88655acc78c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -579,9 +579,6 @@ static int brcmf_netdev_stop(struct net_device *ndev)
brcmf_cfg80211_down(ndev);
- if (ifp->drvr->bus_if->state == BRCMF_BUS_UP)
- brcmf_fil_iovar_data_set(ifp, "arp_hostip_clear", NULL, 0);
-
brcmf_net_setcarrier(ifp, false);
return 0;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
index 120515fe8250..eecf8a38d94a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c
@@ -47,13 +47,10 @@ struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
return drvr->wiphy->debugfsdir;
}
-int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
int (*read_fn)(struct seq_file *seq, void *data))
{
- struct dentry *e;
-
WARN(!drvr->wiphy->debugfsdir, "wiphy not (yet) registered\n");
- e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
- drvr->wiphy->debugfsdir, read_fn);
- return PTR_ERR_OR_ZERO(e);
+ debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
+ drvr->wiphy->debugfsdir, read_fn);
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
index 9b221b509ade..4146faeed344 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.h
@@ -116,8 +116,8 @@ struct brcmf_bus;
struct brcmf_pub;
#ifdef DEBUG
struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr);
-int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
- int (*read_fn)(struct seq_file *seq, void *data));
+void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+ int (*read_fn)(struct seq_file *seq, void *data));
int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
size_t len);
#else
@@ -126,11 +126,9 @@ static inline struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
return ERR_PTR(-ENOENT);
}
static inline
-int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
- int (*read_fn)(struct seq_file *seq, void *data))
-{
- return 0;
-}
+void brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
+ int (*read_fn)(struct seq_file *seq, void *data))
+{ }
static inline
int brcmf_debug_create_memdump(struct brcmf_bus *bus, const void *data,
size_t len)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
index 5da0dda0d899..0dcefbd0c000 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/feature.c
@@ -285,13 +285,14 @@ void brcmf_feat_attach(struct brcmf_pub *drvr)
if (!err)
ifp->drvr->feat_flags |= BIT(BRCMF_FEAT_SCAN_RANDOM_MAC);
+ brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa");
+
if (drvr->settings->feature_disable) {
brcmf_dbg(INFO, "Features: 0x%02x, disable: 0x%02x\n",
ifp->drvr->feat_flags,
drvr->settings->feature_disable);
ifp->drvr->feat_flags &= ~drvr->settings->feature_disable;
}
- brcmf_feat_iovar_int_get(ifp, BRCMF_FEAT_FWSUP, "sup_wpa");
brcmf_feat_firmware_overrides(drvr);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c
index 8e9d067bdfed..096f6b969dd8 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/flowring.c
@@ -26,10 +26,10 @@
#define BRCMF_FLOWRING_HASH_STA(fifo, ifidx) (fifo + ifidx * 16)
static const u8 brcmf_flowring_prio2fifo[] = {
- 1,
- 0,
0,
1,
+ 1,
+ 0,
2,
2,
3,
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
index 8cc52935fd41..09701262330d 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
@@ -311,28 +311,6 @@ struct brcmf_skbuff_cb {
/* How long to defer borrowing in jiffies */
#define BRCMF_FWS_BORROW_DEFER_PERIOD (HZ / 10)
-/**
- * enum brcmf_fws_fifo - fifo indices used by dongle firmware.
- *
- * @BRCMF_FWS_FIFO_FIRST: first fifo, ie. background.
- * @BRCMF_FWS_FIFO_AC_BK: fifo for background traffic.
- * @BRCMF_FWS_FIFO_AC_BE: fifo for best-effort traffic.
- * @BRCMF_FWS_FIFO_AC_VI: fifo for video traffic.
- * @BRCMF_FWS_FIFO_AC_VO: fifo for voice traffic.
- * @BRCMF_FWS_FIFO_BCMC: fifo for broadcast/multicast (AP only).
- * @BRCMF_FWS_FIFO_ATIM: fifo for ATIM (AP only).
- * @BRCMF_FWS_FIFO_COUNT: number of fifos.
- */
-enum brcmf_fws_fifo {
- BRCMF_FWS_FIFO_FIRST,
- BRCMF_FWS_FIFO_AC_BK = BRCMF_FWS_FIFO_FIRST,
- BRCMF_FWS_FIFO_AC_BE,
- BRCMF_FWS_FIFO_AC_VI,
- BRCMF_FWS_FIFO_AC_VO,
- BRCMF_FWS_FIFO_BCMC,
- BRCMF_FWS_FIFO_ATIM,
- BRCMF_FWS_FIFO_COUNT
-};
/**
* enum brcmf_fws_txstatus - txstatus flag values.
@@ -2130,8 +2108,10 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb)
skcb->if_flags = 0;
skcb->state = BRCMF_FWS_SKBSTATE_NEW;
brcmf_skb_if_flags_set_field(skb, INDEX, ifp->ifidx);
+
+ /* mapping from 802.1d priority to firmware fifo index */
if (!multicast)
- fifo = brcmf_fws_prio2fifo[skb->priority];
+ fifo = brcmf_map_prio_to_aci(drvr->config, skb->priority);
brcmf_fws_lock(fws);
if (fifo != BRCMF_FWS_FIFO_AC_BE && fifo < BRCMF_FWS_FIFO_BCMC)
@@ -2356,7 +2336,7 @@ struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr)
fws->drvr = drvr;
fws->fcmode = drvr->settings->fcmode;
- if ((drvr->bus_if->always_use_fws_queue == false) &&
+ if (!drvr->bus_if->always_use_fws_queue &&
(fws->fcmode == BRCMF_FWS_FCMODE_NONE)) {
fws->avoid_queueing = true;
brcmf_dbg(INFO, "FWS queueing will be avoided\n");
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
index b486d578ec96..b16a9d1c0508 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.h
@@ -6,6 +6,29 @@
#ifndef FWSIGNAL_H_
#define FWSIGNAL_H_
+/**
+ * enum brcmf_fws_fifo - fifo indices used by dongle firmware.
+ *
+ * @BRCMF_FWS_FIFO_FIRST: first fifo, ie. background.
+ * @BRCMF_FWS_FIFO_AC_BK: fifo for background traffic.
+ * @BRCMF_FWS_FIFO_AC_BE: fifo for best-effort traffic.
+ * @BRCMF_FWS_FIFO_AC_VI: fifo for video traffic.
+ * @BRCMF_FWS_FIFO_AC_VO: fifo for voice traffic.
+ * @BRCMF_FWS_FIFO_BCMC: fifo for broadcast/multicast (AP only).
+ * @BRCMF_FWS_FIFO_ATIM: fifo for ATIM (AP only).
+ * @BRCMF_FWS_FIFO_COUNT: number of fifos.
+ */
+enum brcmf_fws_fifo {
+ BRCMF_FWS_FIFO_FIRST,
+ BRCMF_FWS_FIFO_AC_BK = BRCMF_FWS_FIFO_FIRST,
+ BRCMF_FWS_FIFO_AC_BE,
+ BRCMF_FWS_FIFO_AC_VI,
+ BRCMF_FWS_FIFO_AC_VO,
+ BRCMF_FWS_FIFO_BCMC,
+ BRCMF_FWS_FIFO_ATIM,
+ BRCMF_FWS_FIFO_COUNT
+};
+
struct brcmf_fws_info *brcmf_fws_attach(struct brcmf_pub *drvr);
void brcmf_fws_detach(struct brcmf_fws_info *fws);
void brcmf_fws_debugfs_create(struct brcmf_pub *drvr);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
index 1f5deea5a288..d2795dc17c46 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
@@ -17,6 +17,7 @@
#include "fwil_types.h"
#include "p2p.h"
#include "cfg80211.h"
+#include "feature.h"
/* parameters used for p2p escan */
#define P2PAPI_SCAN_NPROBES 1
@@ -59,12 +60,13 @@
#define P2P_AF_MIN_DWELL_TIME 100
#define P2P_AF_MED_DWELL_TIME 400
#define P2P_AF_LONG_DWELL_TIME 1000
-#define P2P_AF_TX_MAX_RETRY 1
+#define P2P_AF_TX_MAX_RETRY 5
#define P2P_AF_MAX_WAIT_TIME msecs_to_jiffies(2000)
#define P2P_INVALID_CHANNEL -1
#define P2P_CHANNEL_SYNC_RETRY 5
#define P2P_AF_FRM_SCAN_MAX_WAIT msecs_to_jiffies(450)
#define P2P_DEFAULT_SLEEP_TIME_VSDB 200
+#define P2P_AF_RETRY_DELAY_TIME 40
/* WiFi P2P Public Action Frame OUI Subtypes */
#define P2P_PAF_GON_REQ 0 /* Group Owner Negotiation Req */
@@ -92,6 +94,9 @@
#define P2PSD_ACTION_ID_GAS_CRESP 0x0d /* GAS Comback Response AF */
#define BRCMF_P2P_DISABLE_TIMEOUT msecs_to_jiffies(500)
+
+/* Mask for retry counter of custom dwell time */
+#define CUSTOM_RETRY_MASK 0xff000000
/**
* struct brcmf_p2p_disc_st_le - set discovery state in firmware.
*
@@ -457,10 +462,21 @@ static int brcmf_p2p_set_firmware(struct brcmf_if *ifp, u8 *p2p_mac)
*/
static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr)
{
+ struct brcmf_if *pri_ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
bool random_addr = false;
+ bool local_admin = false;
- if (!dev_addr || is_zero_ether_addr(dev_addr))
- random_addr = true;
+ if (!dev_addr || is_zero_ether_addr(dev_addr)) {
+ /* If the primary interface address is already locally
+ * administered, create a new random address.
+ */
+ if (pri_ifp->mac_addr[0] & 0x02) {
+ random_addr = true;
+ } else {
+ dev_addr = pri_ifp->mac_addr;
+ local_admin = true;
+ }
+ }
/* Generate the P2P Device Address obtaining a random ethernet
* address with the locally administered bit set.
@@ -470,13 +486,20 @@ static void brcmf_p2p_generate_bss_mac(struct brcmf_p2p_info *p2p, u8 *dev_addr)
else
memcpy(p2p->dev_addr, dev_addr, ETH_ALEN);
+ if (local_admin)
+ p2p->dev_addr[0] |= 0x02;
+
/* Generate the P2P Interface Address. If the discovery and connection
* BSSCFGs need to simultaneously co-exist, then this address must be
* different from the P2P Device Address, but also locally administered.
*/
- memcpy(p2p->int_addr, p2p->dev_addr, ETH_ALEN);
- p2p->int_addr[0] |= 0x02;
- p2p->int_addr[4] ^= 0x80;
+ memcpy(p2p->conn_int_addr, p2p->dev_addr, ETH_ALEN);
+ p2p->conn_int_addr[0] |= 0x02;
+ p2p->conn_int_addr[4] ^= 0x80;
+
+ memcpy(p2p->conn2_int_addr, p2p->dev_addr, ETH_ALEN);
+ p2p->conn2_int_addr[0] |= 0x02;
+ p2p->conn2_int_addr[4] ^= 0x90;
}
/**
@@ -1245,6 +1268,30 @@ bool brcmf_p2p_scan_finding_common_channel(struct brcmf_cfg80211_info *cfg,
}
/**
+ * brcmf_p2p_abort_action_frame() - abort action frame.
+ *
+ * @cfg: common configuration struct.
+ *
+ */
+static s32 brcmf_p2p_abort_action_frame(struct brcmf_cfg80211_info *cfg)
+{
+ struct brcmf_p2p_info *p2p = &cfg->p2p;
+ struct brcmf_cfg80211_vif *vif;
+ s32 err;
+ s32 int_val = 1;
+
+ brcmf_dbg(TRACE, "Enter\n");
+
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe_abort", &int_val,
+ sizeof(s32));
+ if (err)
+ brcmf_err(" aborting action frame has failed (%d)\n", err);
+
+ return err;
+}
+
+/**
* brcmf_p2p_stop_wait_next_action_frame() - finish scan if af tx complete.
*
* @cfg: common configuration struct.
@@ -1255,6 +1302,7 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
{
struct brcmf_p2p_info *p2p = &cfg->p2p;
struct brcmf_if *ifp = p2p->bss_idx[P2PAPI_BSSCFG_PRIMARY].vif->ifp;
+ s32 err;
if (test_bit(BRCMF_P2P_STATUS_SENDING_ACT_FRAME, &p2p->status) &&
(test_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status) ||
@@ -1263,8 +1311,13 @@ brcmf_p2p_stop_wait_next_action_frame(struct brcmf_cfg80211_info *cfg)
/* if channel is not zero, "actfame" uses off channel scan.
* So abort scan for off channel completion.
*/
- if (p2p->af_sent_channel)
- brcmf_notify_escan_complete(cfg, ifp, true, true);
+ if (p2p->af_sent_channel) {
+ /* abort actframe using actframe_abort or abort scan */
+ err = brcmf_p2p_abort_action_frame(cfg);
+ if (err)
+ brcmf_notify_escan_complete(cfg, ifp, true,
+ true);
+ }
} else if (test_bit(BRCMF_P2P_STATUS_WAITING_NEXT_AF_LISTEN,
&p2p->status)) {
brcmf_dbg(TRACE, "*** Wake UP ** abort listen for next af frame\n");
@@ -1491,6 +1544,7 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
{
struct brcmf_pub *drvr = p2p->cfg->pub;
struct brcmf_cfg80211_vif *vif;
+ struct brcmf_p2p_action_frame *p2p_af;
s32 err = 0;
s32 timeout = 0;
@@ -1500,7 +1554,13 @@ static s32 brcmf_p2p_tx_action_frame(struct brcmf_p2p_info *p2p,
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED, &p2p->status);
clear_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status);
- vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+ /* check if it is a p2p_presence response */
+ p2p_af = (struct brcmf_p2p_action_frame *)af_params->action_frame.data;
+ if (p2p_af->subtype == P2P_AF_PRESENCE_RSP)
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif;
+ else
+ vif = p2p->bss_idx[P2PAPI_BSSCFG_DEVICE].vif;
+
err = brcmf_fil_bsscfg_data_set(vif->ifp, "actframe", af_params,
sizeof(*af_params));
if (err) {
@@ -1640,6 +1700,17 @@ static s32 brcmf_p2p_pub_af_tx(struct brcmf_cfg80211_info *cfg,
return err;
}
+static bool brcmf_p2p_check_dwell_overflow(s32 requested_dwell,
+ unsigned long dwell_jiffies)
+{
+ if ((requested_dwell & CUSTOM_RETRY_MASK) &&
+ (jiffies_to_msecs(jiffies - dwell_jiffies) >
+ (requested_dwell & ~CUSTOM_RETRY_MASK))) {
+ brcmf_err("Action frame TX retry time over dwell time!\n");
+ return true;
+ }
+ return false;
+}
/**
* brcmf_p2p_send_action_frame() - send action frame .
*
@@ -1664,6 +1735,10 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
s32 tx_retry;
s32 extra_listen_time;
uint delta_ms;
+ unsigned long dwell_jiffies = 0;
+ bool dwell_overflow = false;
+
+ s32 requested_dwell = af_params->dwell_time;
action_frame = &af_params->action_frame;
action_frame_len = le16_to_cpu(action_frame->len);
@@ -1775,14 +1850,23 @@ bool brcmf_p2p_send_action_frame(struct brcmf_cfg80211_info *cfg,
/* update channel */
af_params->channel = cpu_to_le32(afx_hdl->peer_chan);
}
+ dwell_jiffies = jiffies;
+ dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,
+ dwell_jiffies);
tx_retry = 0;
while (!p2p->block_gon_req_tx &&
- (ack == false) && (tx_retry < P2P_AF_TX_MAX_RETRY)) {
+ (!ack) && (tx_retry < P2P_AF_TX_MAX_RETRY) &&
+ !dwell_overflow) {
+ if (af_params->channel)
+ msleep(P2P_AF_RETRY_DELAY_TIME);
+
ack = !brcmf_p2p_tx_action_frame(p2p, af_params);
tx_retry++;
+ dwell_overflow = brcmf_p2p_check_dwell_overflow(requested_dwell,
+ dwell_jiffies);
}
- if (ack == false) {
+ if (!ack) {
bphy_err(drvr, "Failed to send Action Frame(retry %d)\n",
tx_retry);
clear_bit(BRCMF_P2P_STATUS_GO_NEG_PHASE, &p2p->status);
@@ -1994,7 +2078,7 @@ int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg,
if_request.type = cpu_to_le16((u16)if_type);
if_request.chspec = cpu_to_le16(chanspec);
- memcpy(if_request.addr, p2p->int_addr, sizeof(if_request.addr));
+ memcpy(if_request.addr, p2p->conn_int_addr, sizeof(if_request.addr));
brcmf_cfg80211_arm_vif_event(cfg, vif);
err = brcmf_fil_iovar_data_set(vif->ifp, "p2p_ifupd", &if_request,
@@ -2149,6 +2233,27 @@ fail:
return ERR_PTR(err);
}
+static int brcmf_p2p_get_conn_idx(struct brcmf_cfg80211_info *cfg)
+{
+ int i;
+ struct brcmf_if *ifp = netdev_priv(cfg_to_ndev(cfg));
+
+ if (!ifp)
+ return -ENODEV;
+
+ for (i = P2PAPI_BSSCFG_CONNECTION; i < P2PAPI_BSSCFG_MAX; i++) {
+ if (!cfg->p2p.bss_idx[i].vif) {
+ if (i == P2PAPI_BSSCFG_CONNECTION2 &&
+ !(brcmf_feat_is_enabled(ifp, BRCMF_FEAT_RSDB))) {
+ brcmf_err("Multi p2p not supported");
+ return -EIO;
+ }
+ return i;
+ }
+ }
+ return -EIO;
+}
+
/**
* brcmf_p2p_add_vif() - create a new P2P virtual interface.
*
@@ -2168,7 +2273,9 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
struct brcmf_pub *drvr = cfg->pub;
struct brcmf_cfg80211_vif *vif;
enum brcmf_fil_p2p_if_types iftype;
- int err;
+ int err = 0;
+ int connidx;
+ u8 *p2p_intf_addr;
if (brcmf_cfg80211_vif_event_armed(cfg))
return ERR_PTR(-EBUSY);
@@ -2194,9 +2301,21 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
return (struct wireless_dev *)vif;
brcmf_cfg80211_arm_vif_event(cfg, vif);
- err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp, cfg->p2p.int_addr,
- iftype);
+ connidx = brcmf_p2p_get_conn_idx(cfg);
+
+ if (connidx == P2PAPI_BSSCFG_CONNECTION)
+ p2p_intf_addr = cfg->p2p.conn_int_addr;
+ else if (connidx == P2PAPI_BSSCFG_CONNECTION2)
+ p2p_intf_addr = cfg->p2p.conn2_int_addr;
+ else
+ err = -EINVAL;
+
+ if (!err)
+ err = brcmf_p2p_request_p2p_if(&cfg->p2p, ifp,
+ p2p_intf_addr, iftype);
+
if (err) {
+ brcmf_err("request p2p interface failed\n");
brcmf_cfg80211_arm_vif_event(cfg, NULL);
goto fail;
}
@@ -2228,7 +2347,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name,
goto fail;
}
- cfg->p2p.bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = vif;
+ cfg->p2p.bss_idx[connidx].vif = vif;
/* Disable firmware roaming for P2P interface */
brcmf_fil_iovar_int_set(ifp, "roam_off", 1);
if (iftype == BRCMF_FIL_P2P_IF_GO) {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
index 64ab9b6a677d..d2ecee565bf2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
@@ -14,13 +14,15 @@ struct brcmf_cfg80211_info;
*
* @P2PAPI_BSSCFG_PRIMARY: maps to driver's primary bsscfg.
* @P2PAPI_BSSCFG_DEVICE: maps to driver's P2P device discovery bsscfg.
- * @P2PAPI_BSSCFG_CONNECTION: maps to driver's P2P connection bsscfg.
+ * @P2PAPI_BSSCFG_CONNECTION: maps to driver's 1st P2P connection bsscfg.
+ * @P2PAPI_BSSCFG_CONNECTION2: maps to driver's 2nd P2P connection bsscfg.
* @P2PAPI_BSSCFG_MAX: used for range checking.
*/
enum p2p_bss_type {
P2PAPI_BSSCFG_PRIMARY, /* maps to driver's primary bsscfg */
P2PAPI_BSSCFG_DEVICE, /* maps to driver's P2P device discovery bsscfg */
- P2PAPI_BSSCFG_CONNECTION, /* maps to driver's P2P connection bsscfg */
+ P2PAPI_BSSCFG_CONNECTION, /* driver's 1st P2P connection bsscfg */
+ P2PAPI_BSSCFG_CONNECTION2, /* driver's 2nd P2P connection bsscfg */
P2PAPI_BSSCFG_MAX
};
@@ -119,7 +121,8 @@ struct brcmf_p2p_info {
struct brcmf_cfg80211_info *cfg;
unsigned long status;
u8 dev_addr[ETH_ALEN];
- u8 int_addr[ETH_ALEN];
+ u8 conn_int_addr[ETH_ALEN];
+ u8 conn2_int_addr[ETH_ALEN];
struct p2p_bss bss_idx[P2PAPI_BSSCFG_MAX];
struct timer_list listen_timer;
u8 listen_channel;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 3a08252f1a53..310d8075f5d7 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -41,9 +41,22 @@
/* watermark expressed in number of words */
#define DEFAULT_F2_WATERMARK 0x8
#define CY_4373_F2_WATERMARK 0x40
+#define CY_4373_F1_MESBUSYCTRL (CY_4373_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB)
#define CY_43012_F2_WATERMARK 0x60
-#define CY_4359_F2_WATERMARK 0x40
-#define CY_4359_F1_MESBUSYCTRL (CY_4359_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_43012_MES_WATERMARK 0x50
+#define CY_43012_MESBUSYCTRL (CY_43012_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_4339_F2_WATERMARK 48
+#define CY_4339_MES_WATERMARK 80
+#define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_43455_F2_WATERMARK 0x60
+#define CY_43455_MES_WATERMARK 0x50
+#define CY_43455_MESBUSYCTRL (CY_43455_MES_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
+#define CY_435X_F2_WATERMARK 0x40
+#define CY_435X_F1_MESBUSYCTRL (CY_435X_F2_WATERMARK | \
+ SBSDIO_MESBUSYCTRL_ENAB)
#ifdef DEBUG
@@ -315,15 +328,6 @@ struct rte_console {
#define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US)
#define BRCMF_SDIO_MAX_ACCESS_ERRORS 5
-/*
- * Conversion of 802.1D priority to precedence level
- */
-static uint prio2prec(u32 prio)
-{
- return (prio == PRIO_8021D_NONE || prio == PRIO_8021D_BE) ?
- (prio^2) : prio;
-}
-
#ifdef DEBUG
/* Device console log buffer state */
struct brcmf_console {
@@ -2774,7 +2778,13 @@ static int brcmf_sdio_bus_txdata(struct device *dev, struct sk_buff *pkt)
skb_push(pkt, bus->tx_hdrlen);
/* precondition: IS_ALIGNED((unsigned long)(pkt->data), 2) */
- prec = prio2prec((pkt->priority & PRIOMASK));
+ /* In WLAN, priority is always set by the AP using WMM parameters
+ * and this need not always follow the standard 802.1d priority.
+ * Based on AP WMM config, map from 802.1d priority to corresponding
+ * precedence level.
+ */
+ prec = brcmf_map_prio_to_prec(bus_if->drvr->config,
+ (pkt->priority & PRIOMASK));
/* Check for existing queue, current flow-control,
pending event, or pending clock */
@@ -4187,7 +4197,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
bus->hostintmask, NULL);
switch (sdiod->func1->device) {
- case SDIO_DEVICE_ID_CYPRESS_4373:
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_4373_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
@@ -4198,10 +4208,9 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
- CY_4373_F2_WATERMARK |
- SBSDIO_MESBUSYCTRL_ENAB, &err);
+ CY_4373_F1_MESBUSYCTRL, &err);
break;
- case SDIO_DEVICE_ID_CYPRESS_43012:
+ case SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_43012_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
@@ -4211,19 +4220,51 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_43012_MESBUSYCTRL, &err);
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_4339:
+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 4339\n",
+ CY_4339_F2_WATERMARK);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ CY_4339_F2_WATERMARK, &err);
+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+ &err);
+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+ &err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_4339_MESBUSYCTRL, &err);
+ break;
+ case SDIO_DEVICE_ID_BROADCOM_43455:
+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes for 43455\n",
+ CY_43455_F2_WATERMARK);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
+ CY_43455_F2_WATERMARK, &err);
+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
+ &err);
+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
+ &err);
+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
+ CY_43455_MESBUSYCTRL, &err);
break;
case SDIO_DEVICE_ID_BROADCOM_4359:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4354:
+ /* fallthrough */
+ case SDIO_DEVICE_ID_BROADCOM_4356:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
- CY_4359_F2_WATERMARK);
+ CY_435X_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
- CY_4359_F2_WATERMARK, &err);
+ CY_435X_F2_WATERMARK, &err);
devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
&err);
devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
- CY_4359_F1_MESBUSYCTRL, &err);
+ CY_435X_F1_MESBUSYCTRL, &err);
break;
default:
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
index 8e8b685cfe09..648efcbc819f 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c
@@ -1431,6 +1431,7 @@ int brcms_up(struct brcms_info *wl)
* precondition: perimeter lock has been acquired
*/
void brcms_down(struct brcms_info *wl)
+ __must_hold(&wl->lock)
{
uint callbacks, ret_val = 0;
@@ -1717,6 +1718,7 @@ int brcms_check_firmwares(struct brcms_info *wl)
* precondition: perimeter lock has been acquired
*/
bool brcms_rfkill_set_hw_state(struct brcms_info *wl)
+ __must_hold(&wl->lock)
{
bool blocked = brcms_c_check_radio_disabled(wl->wlc);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
index 7f2c15c799d2..77494fc30c2c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c
@@ -1057,7 +1057,7 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal)
txs->lasttxtime = 0;
*fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs);
- if (*fatal == true)
+ if (*fatal)
return false;
n++;
}
@@ -3768,17 +3768,14 @@ static void brcms_c_set_ps_ctrl(struct brcms_c_info *wlc)
* Write this BSS config's MAC address to core.
* Updates RXE match engine.
*/
-static int brcms_c_set_mac(struct brcms_bss_cfg *bsscfg)
+static void brcms_c_set_mac(struct brcms_bss_cfg *bsscfg)
{
- int err = 0;
struct brcms_c_info *wlc = bsscfg->wlc;
/* enter the MAC addr into the RXE match registers */
brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, wlc->pub->cur_etheraddr);
brcms_c_ampdu_macaddr_upd(wlc);
-
- return err;
}
/* Write the BSS config's BSSID address to core (set_bssid in d11procs.tcl).
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
index 0ab865de1491..79d4a7a4da8b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
@@ -304,9 +304,8 @@ int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force)
* update wlc->stf->ss_opmode which represents the operational stf_ss mode
* we're using
*/
-int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band)
+void brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band)
{
- int ret_code = 0;
u8 prev_stf_ss;
u8 upd_stf_ss;
@@ -325,7 +324,7 @@ int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band)
PHY_TXC1_MODE_SISO : PHY_TXC1_MODE_CDD;
} else {
if (wlc->band != band)
- return ret_code;
+ return;
upd_stf_ss = (wlc->stf->txstreams == 1) ?
PHY_TXC1_MODE_SISO : band->band_stf_ss_mode;
}
@@ -333,8 +332,6 @@ int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band)
wlc->stf->ss_opmode = upd_stf_ss;
brcms_b_band_stf_ss_set(wlc->hw, upd_stf_ss);
}
-
- return ret_code;
}
int brcms_c_stf_attach(struct brcms_c_info *wlc)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.h
index ba9493009a33..aa4ab53bf634 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.h
@@ -25,7 +25,7 @@ void brcms_c_stf_detach(struct brcms_c_info *wlc);
void brcms_c_tempsense_upd(struct brcms_c_info *wlc);
void brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc,
u16 *ss_algo_channel, u16 chanspec);
-int brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band);
+void brcms_c_stf_ss_update(struct brcms_c_info *wlc, struct brcms_band *band);
void brcms_c_stf_phy_txant_upd(struct brcms_c_info *wlc);
int brcms_c_stf_txchain_set(struct brcms_c_info *wlc, s32 int_val, bool force);
bool brcms_c_stf_stbc_rx_set(struct brcms_c_info *wlc, s32 int_val);
diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c
index 8363f91df7ea..827bb6d74815 100644
--- a/drivers/net/wireless/cisco/airo.c
+++ b/drivers/net/wireless/cisco/airo.c
@@ -1925,6 +1925,10 @@ static netdev_tx_t mpi_start_xmit(struct sk_buff *skb,
airo_print_err(dev->name, "%s: skb == NULL!",__func__);
return NETDEV_TX_OK;
}
+ if (skb_padto(skb, ETH_ZLEN)) {
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
npacks = skb_queue_len (&ai->txq);
if (npacks >= MAXTXQ - 1) {
@@ -2127,6 +2131,10 @@ static netdev_tx_t airo_start_xmit(struct sk_buff *skb,
airo_print_err(dev->name, "%s: skb == NULL!", __func__);
return NETDEV_TX_OK;
}
+ if (skb_padto(skb, ETH_ZLEN)) {
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
/* Find a vacant FID */
for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ );
@@ -2201,6 +2209,10 @@ static netdev_tx_t airo_start_xmit11(struct sk_buff *skb,
airo_print_err(dev->name, "%s: skb == NULL!", __func__);
return NETDEV_TX_OK;
}
+ if (skb_padto(skb, ETH_ZLEN)) {
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
/* Find a vacant FID */
for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ );
diff --git a/drivers/net/wireless/intel/ipw2x00/Kconfig b/drivers/net/wireless/intel/ipw2x00/Kconfig
index ab17903ba9f8..f42b3cdce611 100644
--- a/drivers/net/wireless/intel/ipw2x00/Kconfig
+++ b/drivers/net/wireless/intel/ipw2x00/Kconfig
@@ -16,7 +16,7 @@ config IPW2100
A driver for the Intel PRO/Wireless 2100 Network
Connection 802.11b wireless network adapter.
- See <file:Documentation/networking/device_drivers/intel/ipw2100.txt>
+ See <file:Documentation/networking/device_drivers/intel/ipw2100.rst>
for information on the capabilities currently enabled in this driver
and for tips for debugging issues and problems.
@@ -78,7 +78,7 @@ config IPW2200
A driver for the Intel PRO/Wireless 2200BG and 2915ABG Network
Connection adapters.
- See <file:Documentation/networking/device_drivers/intel/ipw2200.txt>
+ See <file:Documentation/networking/device_drivers/intel/ipw2200.rst>
for information on the capabilities currently enabled in this
driver and for tips for debugging issues and problems.
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
index 97ea6e2035e6..624fe721e2b5 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c
@@ -8352,7 +8352,7 @@ static int ipw2100_mod_firmware_load(struct ipw2100_fw *fw)
if (IPW2100_FW_MAJOR(h->version) != IPW2100_FW_MAJOR_VERSION) {
printk(KERN_WARNING DRV_NAME ": Firmware image not compatible "
"(detected version id of %u). "
- "See Documentation/networking/device_drivers/intel/ipw2100.txt\n",
+ "See Documentation/networking/device_drivers/intel/ipw2100.rst\n",
h->version);
return 1;
}
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
index 60b5e08dd6df..661e63bfc892 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
@@ -3386,7 +3386,7 @@ struct ipw_fw {
__le32 boot_size;
__le32 ucode_size;
__le32 fw_size;
- u8 data[0];
+ u8 data[];
};
static int ipw_get_fw(struct ipw_priv *priv,
@@ -3770,10 +3770,8 @@ static int ipw_queue_tx_init(struct ipw_priv *priv,
struct pci_dev *dev = priv->pci_dev;
q->txb = kmalloc_array(count, sizeof(q->txb[0]), GFP_KERNEL);
- if (!q->txb) {
- IPW_ERROR("vmalloc for auxiliary BD structures failed\n");
+ if (!q->txb)
return -ENOMEM;
- }
q->bd =
pci_alloc_consistent(dev, sizeof(q->bd[0]) * count, &q->q.dma_addr);
@@ -7042,23 +7040,22 @@ static int ipw_qos_association(struct ipw_priv *priv,
* off the network from the associated setting, adjust the QoS
* setting
*/
-static int ipw_qos_association_resp(struct ipw_priv *priv,
+static void ipw_qos_association_resp(struct ipw_priv *priv,
struct libipw_network *network)
{
- int ret = 0;
unsigned long flags;
u32 size = sizeof(struct libipw_qos_parameters);
int set_qos_param = 0;
if ((priv == NULL) || (network == NULL) ||
(priv->assoc_network == NULL))
- return ret;
+ return;
if (!(priv->status & STATUS_ASSOCIATED))
- return ret;
+ return;
if ((priv->ieee->iw_mode != IW_MODE_INFRA))
- return ret;
+ return;
spin_lock_irqsave(&priv->ieee->lock, flags);
if (network->flags & NETWORK_HAS_QOS_PARAMETERS) {
@@ -7088,8 +7085,6 @@ static int ipw_qos_association_resp(struct ipw_priv *priv,
if (set_qos_param == 1)
schedule_work(&priv->qos_activate);
-
- return ret;
}
static u32 ipw_qos_get_burst_duration(struct ipw_priv *priv)
@@ -10643,10 +10638,8 @@ static void ipw_bg_link_down(struct work_struct *work)
mutex_unlock(&priv->mutex);
}
-static int ipw_setup_deferred_work(struct ipw_priv *priv)
+static void ipw_setup_deferred_work(struct ipw_priv *priv)
{
- int ret = 0;
-
init_waitqueue_head(&priv->wait_command_queue);
init_waitqueue_head(&priv->wait_state);
@@ -10680,8 +10673,6 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv)
tasklet_init(&priv->irq_tasklet,
ipw_irq_tasklet, (unsigned long)priv);
-
- return ret;
}
static void shim__set_security(struct net_device *dev,
@@ -11662,11 +11653,7 @@ static int ipw_pci_probe(struct pci_dev *pdev,
IPW_DEBUG_INFO("pci_resource_len = 0x%08x\n", length);
IPW_DEBUG_INFO("pci_resource_base = %p\n", base);
- err = ipw_setup_deferred_work(priv);
- if (err) {
- IPW_ERROR("Unable to setup deferred work\n");
- goto out_iounmap;
- }
+ ipw_setup_deferred_work(priv);
ipw_sw_reset(priv, 1);
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.h b/drivers/net/wireless/intel/ipw2x00/ipw2200.h
index 4346520545c4..e1ec1c96dcd8 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.h
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.h
@@ -448,7 +448,7 @@ struct tfd_command {
u8 index;
u8 length;
__le16 reserved;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct tfd_data {
@@ -675,7 +675,7 @@ struct ipw_rx_frame {
// is identical)
u8 rtscts_seen; // 0x1 RTS seen ; 0x2 CTS seen
__le16 length;
- u8 data[0];
+ u8 data[];
} __packed;
struct ipw_rx_header {
@@ -1002,7 +1002,7 @@ struct ipw_cmd { /* XXX */
* Incoming parameters listed 1-st, followed by outcoming params.
* nParams=(len+3)/4+status_len
*/
- u32 param[0];
+ u32 param[];
} __packed;
#define STATUS_HCMD_ACTIVE (1<<0) /**< host command in progress */
@@ -1108,7 +1108,7 @@ struct ipw_fw_error { /* XXX */
u32 log_len;
struct ipw_error_elem *elem;
struct ipw_event *log;
- u8 payload[0];
+ u8 payload[];
} __packed;
#ifdef CONFIG_IPW2200_PROMISCUOUS
@@ -1153,7 +1153,7 @@ struct ipw_rt_hdr {
s8 rt_dbmsignal; /* signal in dbM, kluged to signed */
s8 rt_dbmnoise;
u8 rt_antenna; /* antenna number */
- u8 payload[0]; /* payload... */
+ u8 payload[]; /* payload... */
} __packed;
#endif
@@ -1329,7 +1329,7 @@ struct ipw_priv {
s8 tx_power;
- /* Track time in suspend using CLOCK_BOOTIME */
+ /* Track time in suspend using CLOCK_BOOTTIME */
time64_t suspend_at;
time64_t suspend_time;
diff --git a/drivers/net/wireless/intel/ipw2x00/libipw.h b/drivers/net/wireless/intel/ipw2x00/libipw.h
index e4a6ab4e8391..e87538a8b88b 100644
--- a/drivers/net/wireless/intel/ipw2x00/libipw.h
+++ b/drivers/net/wireless/intel/ipw2x00/libipw.h
@@ -334,7 +334,7 @@ struct libipw_hdr_1addr {
__le16 frame_ctl;
__le16 duration_id;
u8 addr1[ETH_ALEN];
- u8 payload[0];
+ u8 payload[];
} __packed;
struct libipw_hdr_2addr {
@@ -342,7 +342,7 @@ struct libipw_hdr_2addr {
__le16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
- u8 payload[0];
+ u8 payload[];
} __packed;
struct libipw_hdr_3addr {
@@ -352,7 +352,7 @@ struct libipw_hdr_3addr {
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct libipw_hdr_4addr {
@@ -363,7 +363,7 @@ struct libipw_hdr_4addr {
u8 addr3[ETH_ALEN];
__le16 seq_ctl;
u8 addr4[ETH_ALEN];
- u8 payload[0];
+ u8 payload[];
} __packed;
struct libipw_hdr_3addrqos {
@@ -380,7 +380,7 @@ struct libipw_hdr_3addrqos {
struct libipw_info_element {
u8 id;
u8 len;
- u8 data[0];
+ u8 data[];
} __packed;
/*
@@ -406,7 +406,7 @@ struct libipw_auth {
__le16 transaction;
__le16 status;
/* challenge */
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
struct libipw_channel_switch {
@@ -442,7 +442,7 @@ struct libipw_disassoc {
struct libipw_probe_request {
struct libipw_hdr_3addr header;
/* SSID, supported rates */
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
struct libipw_probe_response {
@@ -452,7 +452,7 @@ struct libipw_probe_response {
__le16 capability;
/* SSID, supported rates, FH params, DS params,
* CF params, IBSS params, TIM (if beacon), RSN */
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
/* Alias beacon for probe_response */
@@ -463,7 +463,7 @@ struct libipw_assoc_request {
__le16 capability;
__le16 listen_interval;
/* SSID, supported rates, RSN */
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
struct libipw_reassoc_request {
@@ -471,7 +471,7 @@ struct libipw_reassoc_request {
__le16 capability;
__le16 listen_interval;
u8 current_ap[ETH_ALEN];
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
struct libipw_assoc_response {
@@ -480,7 +480,7 @@ struct libipw_assoc_response {
__le16 status;
__le16 aid;
/* supported rates */
- struct libipw_info_element info_element[0];
+ struct libipw_info_element info_element[];
} __packed;
struct libipw_txb {
@@ -490,7 +490,7 @@ struct libipw_txb {
u8 reserved;
u16 frag_size;
u16 payload_size;
- struct sk_buff *fragments[0];
+ struct sk_buff *fragments[];
};
/* SWEEP TABLE ENTRIES NUMBER */
@@ -594,7 +594,7 @@ struct libipw_ibss_dfs {
struct libipw_info_element ie;
u8 owner[ETH_ALEN];
u8 recovery_interval;
- struct libipw_channel_map channel_map[0];
+ struct libipw_channel_map channel_map[];
};
struct libipw_csa {
@@ -830,7 +830,7 @@ struct libipw_device {
/* This must be the last item so that it points to the data
* allocated beyond this structure by alloc_libipw */
- u8 priv[0];
+ u8 priv[];
};
#define IEEE_A (1<<0)
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-rs.c b/drivers/net/wireless/intel/iwlegacy/3945-rs.c
index 6209f85a71dd..0af9e997c9f6 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-rs.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-rs.c
@@ -374,7 +374,7 @@ out:
}
static void *
-il3945_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+il3945_rs_alloc(struct ieee80211_hw *hw)
{
return hw->priv;
}
diff --git a/drivers/net/wireless/intel/iwlegacy/4965-rs.c b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
index 7c6e2c863497..0a02d8aca320 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-rs.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-rs.c
@@ -2474,7 +2474,7 @@ il4965_rs_fill_link_cmd(struct il_priv *il, struct il_lq_sta *lq_sta,
}
static void *
-il4965_rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+il4965_rs_alloc(struct ieee80211_hw *hw)
{
return hw->priv;
}
diff --git a/drivers/net/wireless/intel/iwlegacy/commands.h b/drivers/net/wireless/intel/iwlegacy/commands.h
index dd744135c956..89c6671b32bc 100644
--- a/drivers/net/wireless/intel/iwlegacy/commands.h
+++ b/drivers/net/wireless/intel/iwlegacy/commands.h
@@ -203,7 +203,7 @@ struct il_cmd_header {
__le16 sequence;
/* command or response/notification data follows immediately */
- u8 data[0];
+ u8 data[];
} __packed;
/**
@@ -1112,7 +1112,7 @@ struct il_wep_cmd {
u8 global_key_type;
u8 flags;
u8 reserved;
- struct il_wep_key key[0];
+ struct il_wep_key key[];
} __packed;
#define WEP_KEY_WEP_TYPE 1
@@ -1166,7 +1166,7 @@ struct il3945_rx_frame_stats {
u8 agc;
__le16 sig_avg;
__le16 noise_diff;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct il3945_rx_frame_hdr {
@@ -1175,7 +1175,7 @@ struct il3945_rx_frame_hdr {
u8 reserved1;
u8 rate;
__le16 len;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct il3945_rx_frame_end {
@@ -1211,7 +1211,7 @@ struct il4965_rx_non_cfg_phy {
__le16 ant_selection; /* ant A bit 4, ant B bit 5, ant C bit 6 */
__le16 agc_info; /* agc code 0:6, agc dB 7:13, reserved 14:15 */
u8 rssi_info[6]; /* we use even entries, 0/2/4 for A/B/C rssi */
- u8 pad[0];
+ u8 pad[];
} __packed;
/*
@@ -1409,7 +1409,7 @@ struct il3945_tx_cmd {
* length is 26 or 30 bytes, followed by payload data
*/
u8 payload[0];
- struct ieee80211_hdr hdr[0];
+ struct ieee80211_hdr hdr[];
} __packed;
/*
@@ -1511,7 +1511,7 @@ struct il_tx_cmd {
* length is 26 or 30 bytes, followed by payload data
*/
u8 payload[0];
- struct ieee80211_hdr hdr[0];
+ struct ieee80211_hdr hdr[];
} __packed;
/* TX command response is sent after *3945* transmission attempts.
@@ -2520,7 +2520,7 @@ struct il3945_scan_cmd {
* for one scan to complete (i.e. receive N_SCAN_COMPLETE)
* before requesting another scan.
*/
- u8 data[0];
+ u8 data[];
} __packed;
struct il_scan_cmd {
@@ -2564,7 +2564,7 @@ struct il_scan_cmd {
* for one scan to complete (i.e. receive N_SCAN_COMPLETE)
* before requesting another scan.
*/
- u8 data[0];
+ u8 data[];
} __packed;
/* Can abort will notify by complete notification with abort status. */
@@ -2664,7 +2664,7 @@ struct il3945_tx_beacon_cmd {
__le16 tim_idx;
u8 tim_size;
u8 reserved1;
- struct ieee80211_hdr frame[0]; /* beacon frame */
+ struct ieee80211_hdr frame[]; /* beacon frame */
} __packed;
struct il_tx_beacon_cmd {
@@ -2672,7 +2672,7 @@ struct il_tx_beacon_cmd {
__le16 tim_idx;
u8 tim_size;
u8 reserved1;
- struct ieee80211_hdr frame[0]; /* beacon frame */
+ struct ieee80211_hdr frame[]; /* beacon frame */
} __packed;
/******************************************************************************
diff --git a/drivers/net/wireless/intel/iwlegacy/iwl-spectrum.h b/drivers/net/wireless/intel/iwlegacy/iwl-spectrum.h
index a3b490501a70..1e8ab704dbfb 100644
--- a/drivers/net/wireless/intel/iwlegacy/iwl-spectrum.h
+++ b/drivers/net/wireless/intel/iwlegacy/iwl-spectrum.h
@@ -53,7 +53,7 @@ struct ieee80211_measurement_params {
struct ieee80211_info_element {
u8 id;
u8 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct ieee80211_measurement_request {
@@ -61,7 +61,7 @@ struct ieee80211_measurement_request {
u8 token;
u8 mode;
u8 type;
- struct ieee80211_measurement_params params[0];
+ struct ieee80211_measurement_params params[];
} __packed;
struct ieee80211_measurement_report {
diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile
index 0aae3fa4128c..fbcd1405aeea 100644
--- a/drivers/net/wireless/intel/iwlwifi/Makefile
+++ b/drivers/net/wireless/intel/iwlwifi/Makefile
@@ -13,7 +13,8 @@ iwlwifi-$(CONFIG_IWLDVM) += cfg/1000.o cfg/2000.o cfg/5000.o cfg/6000.o
iwlwifi-$(CONFIG_IWLMVM) += cfg/7000.o cfg/8000.o cfg/9000.o cfg/22000.o
iwlwifi-objs += iwl-dbg-tlv.o
iwlwifi-objs += iwl-trans.o
-iwlwifi-objs += fw/notif-wait.o
+
+iwlwifi-objs += fw/img.o fw/notif-wait.o
iwlwifi-objs += fw/dbg.o
iwlwifi-$(CONFIG_IWLMVM) += fw/paging.o fw/smem.o fw/init.o
iwlwifi-$(CONFIG_ACPI) += fw/acpi.o
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c
index bc49cdd819df..efe427049a6e 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/22000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/22000.c
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -20,7 +20,7 @@
* BSD LICENSE
*
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -57,7 +57,7 @@
#include "iwl-prph.h"
/* Highest firmware API version supported */
-#define IWL_22000_UCODE_API_MAX 53
+#define IWL_22000_UCODE_API_MAX 56
/* Lowest firmware API version supported */
#define IWL_22000_UCODE_API_MIN 39
@@ -73,11 +73,8 @@
#define IWL_22000_SMEM_OFFSET 0x400000
#define IWL_22000_SMEM_LEN 0xD0000
-#define IWL_22000_JF_FW_PRE "iwlwifi-Qu-a0-jf-b0-"
-#define IWL_22000_HR_FW_PRE "iwlwifi-Qu-a0-hr-a0-"
-#define IWL_22000_HR_CDB_FW_PRE "iwlwifi-QuIcp-z0-hrcdb-a0-"
-#define IWL_22000_QU_B_HR_B_FW_PRE "iwlwifi-Qu-b0-hr-b0-"
-#define IWL_22000_HR_B_FW_PRE "iwlwifi-QuQnj-b0-hr-b0-"
+#define IWL_QU_B_HR_B_FW_PRE "iwlwifi-Qu-b0-hr-b0-"
+#define IWL_QNJ_B_HR_B_FW_PRE "iwlwifi-QuQnj-b0-hr-b0-"
#define IWL_QU_C_HR_B_FW_PRE "iwlwifi-Qu-c0-hr-b0-"
#define IWL_QU_B_JF_B_FW_PRE "iwlwifi-Qu-b0-jf-b0-"
#define IWL_QU_C_JF_B_FW_PRE "iwlwifi-Qu-c0-jf-b0-"
@@ -85,21 +82,18 @@
#define IWL_QUZ_A_JF_B_FW_PRE "iwlwifi-QuZ-a0-jf-b0-"
#define IWL_QNJ_B_JF_B_FW_PRE "iwlwifi-QuQnj-b0-jf-b0-"
#define IWL_CC_A_FW_PRE "iwlwifi-cc-a0-"
-#define IWL_22000_SO_A_JF_B_FW_PRE "iwlwifi-so-a0-jf-b0-"
-#define IWL_22000_SO_A_HR_B_FW_PRE "iwlwifi-so-a0-hr-b0-"
-#define IWL_22000_SO_A_GF_A_FW_PRE "iwlwifi-so-a0-gf-a0-"
-#define IWL_22000_TY_A_GF_A_FW_PRE "iwlwifi-ty-a0-gf-a0-"
-#define IWL_22000_SO_A_GF4_A_FW_PRE "iwlwifi-so-a0-gf4-a0-"
-#define IWL_22000_SOSNJ_A_GF4_A_FW_PRE "iwlwifi-SoSnj-a0-gf4-a0-"
-
-#define IWL_22000_HR_MODULE_FIRMWARE(api) \
- IWL_22000_HR_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_JF_MODULE_FIRMWARE(api) \
- IWL_22000_JF_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_QU_B_HR_B_MODULE_FIRMWARE(api) \
- IWL_22000_QU_B_HR_B_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_HR_B_QNJ_MODULE_FIRMWARE(api) \
- IWL_22000_HR_B_FW_PRE __stringify(api) ".ucode"
+#define IWL_SO_A_JF_B_FW_PRE "iwlwifi-so-a0-jf-b0-"
+#define IWL_SO_A_HR_B_FW_PRE "iwlwifi-so-a0-hr-b0-"
+#define IWL_SO_A_GF_A_FW_PRE "iwlwifi-so-a0-gf-a0-"
+#define IWL_TY_A_GF_A_FW_PRE "iwlwifi-ty-a0-gf-a0-"
+#define IWL_SO_A_GF4_A_FW_PRE "iwlwifi-so-a0-gf4-a0-"
+#define IWL_SNJ_A_GF4_A_FW_PRE "iwlwifi-SoSnj-a0-gf4-a0-"
+#define IWL_SNJ_A_GF_A_FW_PRE "iwlwifi-SoSnj-a0-gf-a0-"
+
+#define IWL_QU_B_HR_B_MODULE_FIRMWARE(api) \
+ IWL_QU_B_HR_B_FW_PRE __stringify(api) ".ucode"
+#define IWL_QNJ_B_HR_B_MODULE_FIRMWARE(api) \
+ IWL_QNJ_B_HR_B_FW_PRE __stringify(api) ".ucode"
#define IWL_QUZ_A_HR_B_MODULE_FIRMWARE(api) \
IWL_QUZ_A_HR_B_FW_PRE __stringify(api) ".ucode"
#define IWL_QUZ_A_JF_B_MODULE_FIRMWARE(api) \
@@ -112,14 +106,18 @@
IWL_QNJ_B_JF_B_FW_PRE __stringify(api) ".ucode"
#define IWL_CC_A_MODULE_FIRMWARE(api) \
IWL_CC_A_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_SO_A_JF_B_MODULE_FIRMWARE(api) \
- IWL_22000_SO_A_JF_B_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_SO_A_HR_B_MODULE_FIRMWARE(api) \
- IWL_22000_SO_A_HR_B_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_SO_A_GF_A_MODULE_FIRMWARE(api) \
- IWL_22000_SO_A_GF_A_FW_PRE __stringify(api) ".ucode"
-#define IWL_22000_TY_A_GF_A_MODULE_FIRMWARE(api) \
- IWL_22000_TY_A_GF_A_FW_PRE __stringify(api) ".ucode"
+#define IWL_SO_A_JF_B_MODULE_FIRMWARE(api) \
+ IWL_SO_A_JF_B_FW_PRE __stringify(api) ".ucode"
+#define IWL_SO_A_HR_B_MODULE_FIRMWARE(api) \
+ IWL_SO_A_HR_B_FW_PRE __stringify(api) ".ucode"
+#define IWL_SO_A_GF_A_MODULE_FIRMWARE(api) \
+ IWL_SO_A_GF_A_FW_PRE __stringify(api) ".ucode"
+#define IWL_TY_A_GF_A_MODULE_FIRMWARE(api) \
+ IWL_TY_A_GF_A_FW_PRE __stringify(api) ".ucode"
+#define IWL_SNJ_A_GF4_A_MODULE_FIRMWARE(api) \
+ IWL_SNJ_A_GF4_A_FW_PRE __stringify(api) ".ucode"
+#define IWL_SNJ_A_GF_A_MODULE_FIRMWARE(api) \
+ IWL_SNJ_A_GF_A_FW_PRE __stringify(api) ".ucode"
static const struct iwl_base_params iwl_22000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE_32K,
@@ -213,7 +211,7 @@ static const struct iwl_ht_params iwl_22000_ht_params = {
.trans.base_params = &iwl_ax210_base_params, \
.min_txq_size = 128, \
.gp2_reg_addr = 0xd02c68, \
- .min_256_ba_txq_size = 512, \
+ .min_256_ba_txq_size = 1024, \
.mon_dram_regs = { \
.write_ptr = { \
.addr = DBGC_CUR_DBGBUF_STATUS, \
@@ -229,6 +227,15 @@ static const struct iwl_ht_params iwl_22000_ht_params = {
}, \
}
+const struct iwl_cfg_trans_params iwl_qnj_trans_cfg = {
+ .mq_rx_supported = true,
+ .use_tfh = true,
+ .rf_id = true,
+ .gen2 = true,
+ .device_family = IWL_DEVICE_FAMILY_22000,
+ .base_params = &iwl_22000_base_params,
+};
+
const struct iwl_cfg_trans_params iwl_qu_trans_cfg = {
.mq_rx_supported = true,
.use_tfh = true,
@@ -238,9 +245,10 @@ const struct iwl_cfg_trans_params iwl_qu_trans_cfg = {
.base_params = &iwl_22000_base_params,
.integrated = true,
.xtal_latency = 5000,
+ .ltr_delay = IWL_CFG_TRANS_LTR_DELAY_200US,
};
-const struct iwl_cfg_trans_params iwl_qu_long_latency_trans_cfg = {
+const struct iwl_cfg_trans_params iwl_qu_medium_latency_trans_cfg = {
.mq_rx_supported = true,
.use_tfh = true,
.rf_id = true,
@@ -248,17 +256,21 @@ const struct iwl_cfg_trans_params iwl_qu_long_latency_trans_cfg = {
.device_family = IWL_DEVICE_FAMILY_22000,
.base_params = &iwl_22000_base_params,
.integrated = true,
- .xtal_latency = 12000,
- .low_latency_xtal = true,
+ .xtal_latency = 1820,
+ .ltr_delay = IWL_CFG_TRANS_LTR_DELAY_1820US,
};
-const struct iwl_cfg_trans_params iwl_qnj_trans_cfg = {
+const struct iwl_cfg_trans_params iwl_qu_long_latency_trans_cfg = {
.mq_rx_supported = true,
.use_tfh = true,
.rf_id = true,
.gen2 = true,
.device_family = IWL_DEVICE_FAMILY_22000,
.base_params = &iwl_22000_base_params,
+ .integrated = true,
+ .xtal_latency = 12000,
+ .low_latency_xtal = true,
+ .ltr_delay = IWL_CFG_TRANS_LTR_DELAY_2500US,
};
/*
@@ -324,15 +336,16 @@ const struct iwl_cfg_trans_params iwl_ax200_trans_cfg = {
};
const char iwl_ax200_name[] = "Intel(R) Wi-Fi 6 AX200 160MHz";
+const char iwl_ax201_name[] = "Intel(R) Wi-Fi 6 AX201 160MHz";
+const char iwl_ax101_name[] = "Intel(R) Wi-Fi 6 AX101";
const char iwl_ax200_killer_1650w_name[] =
"Killer(R) Wi-Fi 6 AX1650w 160MHz Wireless Network Adapter (200D2W)";
const char iwl_ax200_killer_1650x_name[] =
"Killer(R) Wi-Fi 6 AX1650x 160MHz Wireless Network Adapter (200NGW)";
-const struct iwl_cfg iwl_ax101_cfg_qu_hr = {
- .name = "Intel(R) Wi-Fi 6 AX101",
- .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE,
+const struct iwl_cfg iwl_qu_b0_hr1_b0 = {
+ .fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
@@ -346,7 +359,7 @@ const struct iwl_cfg iwl_ax101_cfg_qu_hr = {
const struct iwl_cfg iwl_ax201_cfg_qu_hr = {
.name = "Intel(R) Wi-Fi 6 AX201 160MHz",
- .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE,
+ .fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
@@ -357,8 +370,7 @@ const struct iwl_cfg iwl_ax201_cfg_qu_hr = {
.num_rbds = IWL_NUM_RBDS_22000_HE,
};
-const struct iwl_cfg iwl_ax101_cfg_qu_c0_hr_b0 = {
- .name = "Intel(R) Wi-Fi 6 AX101",
+const struct iwl_cfg iwl_qu_c0_hr1_b0 = {
.fw_name_pre = IWL_QU_C_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
@@ -384,8 +396,7 @@ const struct iwl_cfg iwl_ax201_cfg_qu_c0_hr_b0 = {
.num_rbds = IWL_NUM_RBDS_22000_HE,
};
-const struct iwl_cfg iwl_ax101_cfg_quz_hr = {
- .name = "Intel(R) Wi-Fi 6 AX101",
+const struct iwl_cfg iwl_quz_a0_hr1_b0 = {
.fw_name_pre = IWL_QUZ_A_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
@@ -451,7 +462,7 @@ const struct iwl_cfg iwl_ax200_cfg_cc = {
const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0 = {
.name = "Killer(R) Wi-Fi 6 AX1650i 160MHz Wireless Network Adapter (201NGW)",
- .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE,
+ .fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
@@ -464,7 +475,7 @@ const struct iwl_cfg killer1650s_2ax_cfg_qu_b0_hr_b0 = {
const struct iwl_cfg killer1650i_2ax_cfg_qu_b0_hr_b0 = {
.name = "Killer(R) Wi-Fi 6 AX1650s 160MHz Wireless Network Adapter (201D2W)",
- .fw_name_pre = IWL_22000_QU_B_HR_B_FW_PRE,
+ .fw_name_pre = IWL_QU_B_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
@@ -501,9 +512,8 @@ const struct iwl_cfg killer1650i_2ax_cfg_qu_c0_hr_b0 = {
.num_rbds = IWL_NUM_RBDS_22000_HE,
};
-const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_b0 = {
- .name = "Intel(R) Dual Band Wireless AX 22000",
- .fw_name_pre = IWL_22000_HR_B_FW_PRE,
+const struct iwl_cfg iwl_qnj_b0_hr_b0_cfg = {
+ .fw_name_pre = IWL_QNJ_B_HR_B_FW_PRE,
IWL_DEVICE_22500,
/*
* This device doesn't support receiving BlockAck with a large bitmap
@@ -516,60 +526,89 @@ const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_b0 = {
const struct iwl_cfg iwlax210_2ax_cfg_so_jf_a0 = {
.name = "Intel(R) Wireless-AC 9560 160MHz",
- .fw_name_pre = IWL_22000_SO_A_JF_B_FW_PRE,
+ .fw_name_pre = IWL_SO_A_JF_B_FW_PRE,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_NON_HE,
};
const struct iwl_cfg iwlax210_2ax_cfg_so_hr_a0 = {
- .name = "Intel(R) Wi-Fi 7 AX210 160MHz",
- .fw_name_pre = IWL_22000_SO_A_HR_B_FW_PRE,
+ .name = "Intel(R) Wi-Fi 6 AX210 160MHz",
+ .fw_name_pre = IWL_SO_A_HR_B_FW_PRE,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_AX210_HE,
};
const struct iwl_cfg iwlax211_2ax_cfg_so_gf_a0 = {
- .name = "Intel(R) Wi-Fi 7 AX211 160MHz",
- .fw_name_pre = IWL_22000_SO_A_GF_A_FW_PRE,
+ .name = "Intel(R) Wi-Fi 6 AX211 160MHz",
+ .fw_name_pre = IWL_SO_A_GF_A_FW_PRE,
+ .uhb_supported = true,
+ IWL_DEVICE_AX210,
+ .num_rbds = IWL_NUM_RBDS_AX210_HE,
+};
+
+const struct iwl_cfg iwlax211_2ax_cfg_so_gf_a0_long = {
+ .name = "Intel(R) Wi-Fi 6 AX211 160MHz",
+ .fw_name_pre = IWL_SO_A_GF_A_FW_PRE,
.uhb_supported = true,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_AX210_HE,
+ .trans.xtal_latency = 12000,
+ .trans.low_latency_xtal = true,
};
const struct iwl_cfg iwlax210_2ax_cfg_ty_gf_a0 = {
- .name = "Intel(R) Wi-Fi 7 AX210 160MHz",
- .fw_name_pre = IWL_22000_TY_A_GF_A_FW_PRE,
+ .name = "Intel(R) Wi-Fi 6 AX210 160MHz",
+ .fw_name_pre = IWL_TY_A_GF_A_FW_PRE,
.uhb_supported = true,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_AX210_HE,
};
const struct iwl_cfg iwlax411_2ax_cfg_so_gf4_a0 = {
- .name = "Intel(R) Wi-Fi 7 AX411 160MHz",
- .fw_name_pre = IWL_22000_SO_A_GF4_A_FW_PRE,
+ .name = "Intel(R) Wi-Fi 6 AX411 160MHz",
+ .fw_name_pre = IWL_SO_A_GF4_A_FW_PRE,
+ .uhb_supported = true,
+ IWL_DEVICE_AX210,
+ .num_rbds = IWL_NUM_RBDS_AX210_HE,
+};
+
+const struct iwl_cfg iwlax411_2ax_cfg_so_gf4_a0_long = {
+ .name = "Intel(R) Wi-Fi 6 AX411 160MHz",
+ .fw_name_pre = IWL_SO_A_GF4_A_FW_PRE,
.uhb_supported = true,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_AX210_HE,
+ .trans.xtal_latency = 12000,
+ .trans.low_latency_xtal = true,
};
const struct iwl_cfg iwlax411_2ax_cfg_sosnj_gf4_a0 = {
- .name = "Intel(R) Wi-Fi 7 AX411 160MHz",
- .fw_name_pre = IWL_22000_SOSNJ_A_GF4_A_FW_PRE,
+ .name = "Intel(R) Wi-Fi 6 AX411 160MHz",
+ .fw_name_pre = IWL_SNJ_A_GF4_A_FW_PRE,
+ .uhb_supported = true,
+ IWL_DEVICE_AX210,
+ .num_rbds = IWL_NUM_RBDS_AX210_HE,
+};
+
+const struct iwl_cfg iwlax211_cfg_snj_gf_a0 = {
+ .name = "Intel(R) Wi-Fi 6 AX211 160MHz",
+ .fw_name_pre = IWL_SNJ_A_GF_A_FW_PRE,
.uhb_supported = true,
IWL_DEVICE_AX210,
.num_rbds = IWL_NUM_RBDS_AX210_HE,
};
-MODULE_FIRMWARE(IWL_22000_HR_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_JF_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_HR_B_QNJ_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_QU_B_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_QNJ_B_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_QU_C_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_QU_B_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_QUZ_A_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_QUZ_A_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_QNJ_B_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
MODULE_FIRMWARE(IWL_CC_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_SO_A_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_SO_A_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_SO_A_GF_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
-MODULE_FIRMWARE(IWL_22000_TY_A_GF_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_SO_A_JF_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_SO_A_HR_B_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_SO_A_GF_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_TY_A_GF_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_SNJ_A_GF4_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
+MODULE_FIRMWARE(IWL_SNJ_A_GF_A_MODULE_FIRMWARE(IWL_22000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/dev.h b/drivers/net/wireless/intel/iwlwifi/dvm/dev.h
index 8d8380026180..4bd792c06ff6 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/dev.h
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/dev.h
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/******************************************************************************
*
- * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2014, 2020 Intel Corporation. All rights reserved.
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
@@ -810,7 +810,6 @@ struct iwl_priv {
u8 bt_traffic_load, last_bt_traffic_load;
bool bt_ch_announce;
bool bt_full_concurrent;
- bool bt_ant_couple_ok;
__le32 kill_ack_mask;
__le32 kill_cts_mask;
__le16 bt_valid;
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
index 598ee7315558..b882705ff66d 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
@@ -1,9 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
- * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2003 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2015 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
*
* Portions of this file are derived from the ipw3945 project, as well
* as portions of the ieee80211 subsystem header files.
@@ -53,7 +52,7 @@
#define DRV_DESCRIPTION "Intel(R) Wireless WiFi Link AGN driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
+MODULE_AUTHOR(DRV_AUTHOR);
MODULE_LICENSE("GPL");
/* Please keep this array *SORTED* by hex value.
@@ -1370,12 +1369,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
IWL_DEBUG_INFO(priv, "*** LOAD DRIVER ***\n");
- /* is antenna coupling more than 35dB ? */
- priv->bt_ant_couple_ok =
- (iwlwifi_mod_params.antenna_coupling >
- IWL_BT_ANTENNA_COUPLING_THRESHOLD) ?
- true : false;
-
/* bt channel inhibition enabled*/
priv->bt_ch_announce = true;
IWL_DEBUG_INFO(priv, "BT channel inhibition is %s\n",
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/rs.c b/drivers/net/wireless/intel/iwlwifi/dvm/rs.c
index 226165db7dfd..4fa4eab2d7f3 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/rs.c
@@ -2,6 +2,7 @@
/******************************************************************************
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright (C) 2019 - 2020 Intel Corporation
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
@@ -846,16 +847,6 @@ static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_scale_tbl_info *tbl;
bool full_concurrent = priv->bt_full_concurrent;
- if (priv->bt_ant_couple_ok) {
- /*
- * Is there a need to switch between
- * full concurrency and 3-wire?
- */
- if (priv->bt_ci_compliance)
- full_concurrent = true;
- else
- full_concurrent = false;
- }
if ((priv->bt_traffic_load != priv->last_bt_traffic_load) ||
(priv->bt_full_concurrent != full_concurrent)) {
priv->bt_full_concurrent = full_concurrent;
@@ -3019,7 +3010,7 @@ static void rs_fill_link_cmd(struct iwl_priv *priv,
cpu_to_le16(priv->lib->bt_params->agg_time_limit);
}
-static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rs_alloc(struct ieee80211_hw *hw)
{
return hw->priv;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index ba2aff3af0fe..dc769b580431 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -58,44 +58,121 @@
*
*****************************************************************************/
+#include <linux/uuid.h>
#include "iwl-drv.h"
#include "iwl-debug.h"
#include "acpi.h"
#include "fw/runtime.h"
-void *iwl_acpi_get_object(struct device *dev, acpi_string method)
+static const guid_t intel_wifi_guid = GUID_INIT(0xF21202BF, 0x8F78, 0x4DC6,
+ 0xA5, 0xB3, 0x1F, 0x73,
+ 0x8E, 0x28, 0x5A, 0xDE);
+
+static int iwl_acpi_get_handle(struct device *dev, acpi_string method,
+ acpi_handle *ret_handle)
{
acpi_handle root_handle;
- acpi_handle handle;
- struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
acpi_status status;
root_handle = ACPI_HANDLE(dev);
if (!root_handle) {
IWL_DEBUG_DEV_RADIO(dev,
- "Could not retrieve root port ACPI handle\n");
- return ERR_PTR(-ENOENT);
+ "ACPI: Could not retrieve root port handle\n");
+ return -ENOENT;
}
- /* Get the method's handle */
- status = acpi_get_handle(root_handle, method, &handle);
+ status = acpi_get_handle(root_handle, method, ret_handle);
if (ACPI_FAILURE(status)) {
- IWL_DEBUG_DEV_RADIO(dev, "%s method not found\n", method);
- return ERR_PTR(-ENOENT);
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: %s method not found\n", method);
+ return -ENOENT;
}
+ return 0;
+}
+
+void *iwl_acpi_get_object(struct device *dev, acpi_string method)
+{
+ struct acpi_buffer buf = {ACPI_ALLOCATE_BUFFER, NULL};
+ acpi_handle handle;
+ acpi_status status;
+ int ret;
+
+ ret = iwl_acpi_get_handle(dev, method, &handle);
+ if (ret)
+ return ERR_PTR(-ENOENT);
/* Call the method with no arguments */
status = acpi_evaluate_object(handle, NULL, NULL, &buf);
if (ACPI_FAILURE(status)) {
- IWL_DEBUG_DEV_RADIO(dev, "%s invocation failed (0x%x)\n",
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: %s method invocation failed (status: 0x%x)\n",
method, status);
return ERR_PTR(-ENOENT);
}
-
return buf.pointer;
}
IWL_EXPORT_SYMBOL(iwl_acpi_get_object);
+/**
+* Generic function for evaluating a method defined in the device specific
+* method (DSM) interface. The returned acpi object must be freed by calling
+* function.
+*/
+void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
+ union acpi_object *args)
+{
+ union acpi_object *obj;
+
+ obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_wifi_guid, rev, func,
+ args);
+ if (!obj) {
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM method invocation failed (rev: %d, func:%d)\n",
+ rev, func);
+ return ERR_PTR(-ENOENT);
+ }
+ return obj;
+}
+
+/**
+ * Evaluate a DSM with no arguments and a single u8 return value (inside a
+ * buffer object), verify and return that value.
+ */
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func)
+{
+ union acpi_object *obj;
+ int ret;
+
+ obj = iwl_acpi_get_dsm_object(dev, rev, func, NULL);
+ if (IS_ERR(obj))
+ return -ENOENT;
+
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM method did not return a valid object, type=%d\n",
+ obj->type);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (obj->buffer.length != sizeof(u8)) {
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM method returned invalid buffer, length=%d\n",
+ obj->buffer.length);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ ret = obj->buffer.pointer[0];
+ IWL_DEBUG_DEV_RADIO(dev,
+ "ACPI: DSM method evaluated: func=%d, ret=%d\n",
+ func, ret);
+out:
+ ACPI_FREE(obj);
+ return ret;
+}
+IWL_EXPORT_SYMBOL(iwl_acpi_get_dsm_u8);
+
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size, int *tbl_rev)
@@ -151,6 +228,82 @@ found:
}
IWL_EXPORT_SYMBOL(iwl_acpi_get_wifi_pkg);
+int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
+ __le32 *black_list_array,
+ int *black_list_size)
+{
+ union acpi_object *wifi_pkg, *data;
+ int ret, tbl_rev, i;
+ bool enabled;
+
+ data = iwl_acpi_get_object(fwrt->dev, ACPI_WTAS_METHOD);
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+ wifi_pkg = iwl_acpi_get_wifi_pkg(fwrt->dev, data,
+ ACPI_WTAS_WIFI_DATA_SIZE,
+ &tbl_rev);
+ if (IS_ERR(wifi_pkg)) {
+ ret = PTR_ERR(wifi_pkg);
+ goto out_free;
+ }
+
+ if (wifi_pkg->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ tbl_rev != 0) {
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ enabled = !!wifi_pkg->package.elements[0].integer.value;
+
+ if (!enabled) {
+ *black_list_size = -1;
+ IWL_DEBUG_RADIO(fwrt, "TAS not enabled\n");
+ ret = 0;
+ goto out_free;
+ }
+
+ if (wifi_pkg->package.elements[1].type != ACPI_TYPE_INTEGER ||
+ wifi_pkg->package.elements[1].integer.value >
+ APCI_WTAS_BLACK_LIST_MAX) {
+ IWL_DEBUG_RADIO(fwrt, "TAS invalid array size %llu\n",
+ wifi_pkg->package.elements[1].integer.value);
+ ret = -EINVAL;
+ goto out_free;
+ }
+ *black_list_size = wifi_pkg->package.elements[1].integer.value;
+
+ IWL_DEBUG_RADIO(fwrt, "TAS array size %d\n", *black_list_size);
+ if (*black_list_size > APCI_WTAS_BLACK_LIST_MAX) {
+ IWL_DEBUG_RADIO(fwrt, "TAS invalid array size value %u\n",
+ *black_list_size);
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ for (i = 0; i < *black_list_size; i++) {
+ u32 country;
+
+ if (wifi_pkg->package.elements[2 + i].type !=
+ ACPI_TYPE_INTEGER) {
+ IWL_DEBUG_RADIO(fwrt,
+ "TAS invalid array elem %d\n", 2 + i);
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ country = wifi_pkg->package.elements[2 + i].integer.value;
+ black_list_array[i] = cpu_to_le32(country);
+ IWL_DEBUG_RADIO(fwrt, "TAS black list country %d\n", country);
+ }
+
+ ret = 0;
+out_free:
+ kfree(data);
+ return ret;
+}
+IWL_EXPORT_SYMBOL(iwl_acpi_get_tas);
+
int iwl_acpi_get_mcc(struct device *dev, char *mcc)
{
union acpi_object *wifi_pkg, *data;
@@ -296,9 +449,14 @@ int iwl_sar_select_profile(struct iwl_fw_runtime *fwrt,
if (!prof->enabled) {
IWL_DEBUG_RADIO(fwrt, "SAR profile %d is disabled.\n",
profs[i]);
- /* if one of the profiles is disabled, we fail all */
- return -ENOENT;
+ /*
+ * if one of the profiles is disabled, we
+ * ignore all of them and return 1 to
+ * differentiate disabled from other failures.
+ */
+ return 1;
}
+
IWL_DEBUG_INFO(fwrt,
"SAR EWRD: chain %d profile index %d\n",
i, profs[i]);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
index 5590e5cc8fbb..0ada9eddb8b1 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.h
@@ -64,6 +64,7 @@
#include "fw/api/commands.h"
#include "fw/api/power.h"
#include "fw/api/phy.h"
+#include "fw/api/nvm-reg.h"
#include "fw/img.h"
#include "iwl-trans.h"
@@ -75,6 +76,7 @@
#define ACPI_SPLC_METHOD "SPLC"
#define ACPI_ECKV_METHOD "ECKV"
#define ACPI_PPAG_METHOD "PPAG"
+#define ACPI_WTAS_METHOD "WTAS"
#define ACPI_WIFI_DOMAIN (0x07)
@@ -96,6 +98,12 @@
#define ACPI_SPLC_WIFI_DATA_SIZE 2
#define ACPI_ECKV_WIFI_DATA_SIZE 2
+/*
+ * 1 type, 1 enabled, 1 black list size, 16 black list array
+ */
+#define APCI_WTAS_BLACK_LIST_MAX 16
+#define ACPI_WTAS_WIFI_DATA_SIZE (3 + APCI_WTAS_BLACK_LIST_MAX)
+
#define ACPI_WGDS_NUM_BANDS 2
#define ACPI_WGDS_TABLE_SIZE 3
@@ -119,12 +127,23 @@ struct iwl_geo_profile {
u8 values[ACPI_GEO_TABLE_SIZE];
};
+enum iwl_dsm_funcs_rev_0 {
+ DSM_FUNC_QUERY = 0,
+ DSM_FUNC_DISABLE_SRD = 1,
+ DSM_FUNC_ENABLE_INDONESIA_5G2 = 2,
+};
+
#ifdef CONFIG_ACPI
struct iwl_fw_runtime;
void *iwl_acpi_get_object(struct device *dev, acpi_string method);
+void *iwl_acpi_get_dsm_object(struct device *dev, int rev, int func,
+ union acpi_object *args);
+
+int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func);
+
union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size, int *tbl_rev);
@@ -174,6 +193,9 @@ int iwl_validate_sar_geo_profile(struct iwl_fw_runtime *fwrt,
int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
struct iwl_per_chain_offset_group *table);
+int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt, __le32 *black_list_array,
+ int *black_list_size);
+
#else /* CONFIG_ACPI */
static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
@@ -181,6 +203,17 @@ static inline void *iwl_acpi_get_object(struct device *dev, acpi_string method)
return ERR_PTR(-ENOENT);
}
+static inline void *iwl_acpi_get_dsm_object(struct device *dev, int rev,
+ int func, union acpi_object *args)
+{
+ return ERR_PTR(-ENOENT);
+}
+
+static inline int iwl_acpi_get_dsm_u8(struct device *dev, int rev, int func)
+{
+ return -ENOENT;
+}
+
static inline union acpi_object *iwl_acpi_get_wifi_pkg(struct device *dev,
union acpi_object *data,
int data_size,
@@ -250,5 +283,11 @@ static inline int iwl_sar_geo_init(struct iwl_fw_runtime *fwrt,
return -ENOENT;
}
+static inline int iwl_acpi_get_tas(struct iwl_fw_runtime *fwrt,
+ __le32 *black_list_array,
+ int *black_list_size)
+{
+ return -ENOENT;
+}
#endif /* CONFIG_ACPI */
#endif /* __iwl_fw_acpi__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/config.h b/drivers/net/wireless/intel/iwlwifi/fw/api/config.h
index 5e88fa2e6fb7..546fa60ed9fd 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/config.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/config.h
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -120,15 +120,48 @@ enum iwl_calib_cfg {
};
/**
+ * struct iwl_phy_specific_cfg - specific PHY filter configuration
+ *
+ * Sent as part of the phy configuration command (v3) to configure specific FW
+ * defined PHY filters that can be applied to each antenna.
+ *
+ * @filter_cfg_chain_a: filter config id for LMAC1 chain A
+ * @filter_cfg_chain_b: filter config id for LMAC1 chain B
+ * @filter_cfg_chain_c: filter config id for LMAC2 chain A
+ * @filter_cfg_chain_d: filter config id for LMAC2 chain B
+ * values: 0 - no filter; 0xffffffff - reserved; otherwise - filter id
+ */
+struct iwl_phy_specific_cfg {
+ __le32 filter_cfg_chain_a;
+ __le32 filter_cfg_chain_b;
+ __le32 filter_cfg_chain_c;
+ __le32 filter_cfg_chain_d;
+} __packed; /* PHY_SPECIFIC_CONFIGURATION_API_VER_1*/
+
+/**
* struct iwl_phy_cfg_cmd - Phy configuration command
+ *
* @phy_cfg: PHY configuration value, uses &enum iwl_fw_phy_cfg
* @calib_control: calibration control data
*/
-struct iwl_phy_cfg_cmd {
+struct iwl_phy_cfg_cmd_v1 {
__le32 phy_cfg;
struct iwl_calib_ctrl calib_control;
} __packed;
+/**
+ * struct iwl_phy_cfg_cmd_v3 - Phy configuration command (v3)
+ *
+ * @phy_cfg: PHY configuration value, uses &enum iwl_fw_phy_cfg
+ * @calib_control: calibration control data
+ * @phy_specific_cfg: configure predefined PHY filters
+ */
+struct iwl_phy_cfg_cmd_v3 {
+ __le32 phy_cfg;
+ struct iwl_calib_ctrl calib_control;
+ struct iwl_phy_specific_cfg phy_specific_cfg;
+} __packed; /* PHY_CONFIGURATION_CMD_API_S_VER_3 */
+
/*
* enum iwl_dc2dc_config_id - flag ids
*
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
index 3643b6ba6385..c4562e1f8d18 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
@@ -618,7 +618,7 @@ struct iwl_wowlan_status_v6 {
* @wake_packet_bufsize: wakeup packet buffer size
* @wake_packet: wakeup packet
*/
-struct iwl_wowlan_status {
+struct iwl_wowlan_status_v7 {
struct iwl_wowlan_gtk_status gtk[WOWLAN_GTK_KEYS_NUM];
struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
__le64 replay_ctr;
@@ -634,6 +634,43 @@ struct iwl_wowlan_status {
u8 wake_packet[]; /* can be truncated from _length to _bufsize */
} __packed; /* WOWLAN_STATUSES_API_S_VER_7 */
+/**
+ * struct iwl_wowlan_status - WoWLAN status
+ * @gtk: GTK data
+ * @igtk: IGTK data
+ * @replay_ctr: GTK rekey replay counter
+ * @pattern_number: number of the matched pattern
+ * @non_qos_seq_ctr: non-QoS sequence counter to use next
+ * @qos_seq_ctr: QoS sequence counters to use next
+ * @wakeup_reasons: wakeup reasons, see &enum iwl_wowlan_wakeup_reason
+ * @num_of_gtk_rekeys: number of GTK rekeys
+ * @transmitted_ndps: number of transmitted neighbor discovery packets
+ * @received_beacons: number of received beacons
+ * @wake_packet_length: wakeup packet length
+ * @wake_packet_bufsize: wakeup packet buffer size
+ * @tid_tear_down: bit mask of tids whose BA sessions were closed
+ * in suspend state
+ * @reserved: unused
+ * @wake_packet: wakeup packet
+ */
+struct iwl_wowlan_status {
+ struct iwl_wowlan_gtk_status gtk[WOWLAN_GTK_KEYS_NUM];
+ struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
+ __le64 replay_ctr;
+ __le16 pattern_number;
+ __le16 non_qos_seq_ctr;
+ __le16 qos_seq_ctr[8];
+ __le32 wakeup_reasons;
+ __le32 num_of_gtk_rekeys;
+ __le32 transmitted_ndps;
+ __le32 received_beacons;
+ __le32 wake_packet_length;
+ __le32 wake_packet_bufsize;
+ u8 tid_tear_down;
+ u8 reserved[3];
+ u8 wake_packet[]; /* can be truncated from _length to _bufsize */
+} __packed; /* WOWLAN_STATUSES_API_S_VER_9 */
+
static inline u8 iwlmvm_wowlan_gtk_idx(struct iwl_wowlan_gtk_status *gtk)
{
return gtk->key_flags & IWL_WOWLAN_GTK_IDX_MASK;
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
index b9d7ed93311c..74ac65bd545a 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/dbg-tlv.h
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -25,7 +25,7 @@
*
* BSD LICENSE
*
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -304,6 +304,7 @@ enum iwl_fw_ini_buffer_location {
IWL_FW_INI_LOCATION_SRAM_PATH,
IWL_FW_INI_LOCATION_DRAM_PATH,
IWL_FW_INI_LOCATION_NPK_PATH,
+ IWL_FW_INI_LOCATION_NUM,
}; /* FW_DEBUG_TLV_BUFFER_LOCATION_E_VER_1 */
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
index 98e957ecbeed..94b1a1268476 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -218,6 +216,8 @@ struct iwl_shared_mem_lmac_cfg {
* @page_buff_size: size of %page_buff_addr
* @lmac_num: number of LMACs (1 or 2)
* @lmac_smem: per - LMAC smem data
+ * @rxfifo2_control_addr: start addr of RXF2C
+ * @rxfifo2_control_size: size of RXF2C
*/
struct iwl_shared_mem_cfg {
__le32 shared_mem_addr;
@@ -229,8 +229,10 @@ struct iwl_shared_mem_cfg {
__le32 page_buff_addr;
__le32 page_buff_size;
__le32 lmac_num;
- struct iwl_shared_mem_lmac_cfg lmac_smem[2];
-} __packed; /* SHARED_MEM_ALLOC_API_S_VER_3 */
+ struct iwl_shared_mem_lmac_cfg lmac_smem[3];
+ __le32 rxfifo2_control_addr;
+ __le32 rxfifo2_control_size;
+} __packed; /* SHARED_MEM_ALLOC_API_S_VER_4 */
/**
* struct iwl_mfuart_load_notif - mfuart image version & status
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/location.h b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
index 0214e553d5ae..1df2e497fabf 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/location.h
@@ -6,8 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,8 +27,7 @@
* BSD LICENSE
*
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -147,6 +145,7 @@ struct iwl_tof_config_cmd {
* @IWL_TOF_BW_40: 40 MHz
* @IWL_TOF_BW_80: 80 MHz
* @IWL_TOF_BW_160: 160 MHz
+ * @IWL_TOF_BW_NUM: number of tof bandwidths
*/
enum iwl_tof_bandwidth {
IWL_TOF_BW_20_LEGACY,
@@ -154,6 +153,7 @@ enum iwl_tof_bandwidth {
IWL_TOF_BW_40,
IWL_TOF_BW_80,
IWL_TOF_BW_160,
+ IWL_TOF_BW_NUM,
}; /* LOCAT_BW_TYPE_E */
/*
@@ -430,6 +430,9 @@ struct iwl_tof_range_req_ap_entry_v2 {
* @IWL_INITIATOR_AP_FLAGS_NON_TB: Use non trigger based flow
* @IWL_INITIATOR_AP_FLAGS_TB: Use trigger based flow
* @IWL_INITIATOR_AP_FLAGS_SECURED: request secured measurement
+ * @IWL_INITIATOR_AP_FLAGS_LMR_FEEDBACK: Send LMR feedback
+ * @IWL_INITIATOR_AP_FLAGS_USE_CALIB: Use calibration values from the request
+ * instead of fw internal values.
*/
enum iwl_initiator_ap_flags {
IWL_INITIATOR_AP_FLAGS_ASAP = BIT(1),
@@ -442,6 +445,8 @@ enum iwl_initiator_ap_flags {
IWL_INITIATOR_AP_FLAGS_NON_TB = BIT(9),
IWL_INITIATOR_AP_FLAGS_TB = BIT(10),
IWL_INITIATOR_AP_FLAGS_SECURED = BIT(11),
+ IWL_INITIATOR_AP_FLAGS_LMR_FEEDBACK = BIT(12),
+ IWL_INITIATOR_AP_FLAGS_USE_CALIB = BIT(13),
};
/**
@@ -508,7 +513,7 @@ enum iwl_location_bw {
#define LOCATION_BW_POS 4
/**
- * struct iwl_tof_range_req_ap_entry - AP configuration parameters
+ * struct iwl_tof_range_req_ap_entry_v4 - AP configuration parameters
* @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
* @channel_num: AP Channel number
* @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
@@ -527,7 +532,7 @@ enum iwl_location_bw {
* @hltk: HLTK to be used for secured 11az measurement
* @tk: TK to be used for secured 11az measurement
*/
-struct iwl_tof_range_req_ap_entry {
+struct iwl_tof_range_req_ap_entry_v4 {
__le32 initiator_ap_flags;
u8 channel_num;
u8 format_bw;
@@ -543,6 +548,65 @@ struct iwl_tof_range_req_ap_entry {
} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_4 */
/**
+ * enum iwl_location_cipher - location cipher selection
+ * @IWL_LOCATION_CIPHER_CCMP_128: CCMP 128
+ * @IWL_LOCATION_CIPHER_GCMP_128: GCMP 128
+ * @IWL_LOCATION_CIPHER_GCMP_256: GCMP 256
+ */
+enum iwl_location_cipher {
+ IWL_LOCATION_CIPHER_CCMP_128,
+ IWL_LOCATION_CIPHER_GCMP_128,
+ IWL_LOCATION_CIPHER_GCMP_256,
+};
+
+/**
+ * struct iwl_tof_range_req_ap_entry - AP configuration parameters
+ * @initiator_ap_flags: see &enum iwl_initiator_ap_flags.
+ * @channel_num: AP Channel number
+ * @format_bw: bits 0 - 3: &enum iwl_location_frame_format.
+ * bits 4 - 7: &enum iwl_location_bw.
+ * @ctrl_ch_position: Coding of the control channel position relative to the
+ * center frequency, see iwl_mvm_get_ctrl_pos().
+ * @ftmr_max_retries: Max number of retries to send the FTMR in case of no
+ * reply from the AP.
+ * @bssid: AP's BSSID
+ * @burst_period: Recommended value to be sent to the AP. Measurement
+ * periodicity In units of 100ms. ignored if num_of_bursts_exp = 0
+ * @samples_per_burst: the number of FTMs pairs in single Burst (1-31);
+ * @num_of_bursts: Recommended value to be sent to the AP. 2s Exponent of
+ * the number of measurement iterations (min 2^0 = 1, max 2^14)
+ * @sta_id: the station id of the AP. Only relevant when associated to the AP,
+ * otherwise should be set to &IWL_MVM_INVALID_STA.
+ * @cipher: pairwise cipher suite for secured measurement.
+ * &enum iwl_location_cipher.
+ * @hltk: HLTK to be used for secured 11az measurement
+ * @tk: TK to be used for secured 11az measurement
+ * @calib: An array of calibration values per FTM rx bandwidth.
+ * If &IWL_INITIATOR_AP_FLAGS_USE_CALIB is set, the fw will use the
+ * calibration value that corresponds to the rx bandwidth of the FTM
+ * frame.
+ * @beacon_interval: beacon interval of the AP in TUs. Only required if
+ * &IWL_INITIATOR_AP_FLAGS_TB is set.
+ */
+struct iwl_tof_range_req_ap_entry {
+ __le32 initiator_ap_flags;
+ u8 channel_num;
+ u8 format_bw;
+ u8 ctrl_ch_position;
+ u8 ftmr_max_retries;
+ u8 bssid[ETH_ALEN];
+ __le16 burst_period;
+ u8 samples_per_burst;
+ u8 num_of_bursts;
+ u8 sta_id;
+ u8 cipher;
+ u8 hltk[HLTK_11AZ_LEN];
+ u8 tk[TK_11AZ_LEN];
+ __le16 calib[IWL_TOF_BW_NUM];
+ __le16 beacon_interval;
+} __packed; /* LOCATION_RANGE_REQ_AP_ENTRY_CMD_API_S_VER_6 */
+
+/**
* enum iwl_tof_response_mode
* @IWL_MVM_TOF_RESPONSE_ASAP: report each AP measurement separately as soon as
* possible (not supported for this release)
@@ -676,7 +740,7 @@ struct iwl_tof_range_req_cmd_v7 {
} __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_7 */
/**
- * struct iwl_tof_range_req_cmd - start measurement cmd
+ * struct iwl_tof_range_req_cmd_v8 - start measurement cmd
* @initiator_flags: see flags @ iwl_tof_initiator_flags
* @request_id: A Token incremented per request. The same Token will be
* sent back in the range response
@@ -693,7 +757,7 @@ struct iwl_tof_range_req_cmd_v7 {
* @specific_calib: The specific calib value to inject to this measurement calc
* @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v2.
*/
-struct iwl_tof_range_req_cmd {
+struct iwl_tof_range_req_cmd_v8 {
__le32 initiator_flags;
u8 request_id;
u8 num_of_ap;
@@ -704,9 +768,37 @@ struct iwl_tof_range_req_cmd {
__le32 tsf_mac_id;
__le16 common_calib;
__le16 specific_calib;
- struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS];
+ struct iwl_tof_range_req_ap_entry_v4 ap[IWL_MVM_TOF_MAX_APS];
} __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_8 */
+/**
+ * struct iwl_tof_range_req_cmd - start measurement cmd
+ * @initiator_flags: see flags @ iwl_tof_initiator_flags
+ * @request_id: A Token incremented per request. The same Token will be
+ * sent back in the range response
+ * @num_of_ap: Number of APs to measure (error if > IWL_MVM_TOF_MAX_APS)
+ * @range_req_bssid: ranging request BSSID
+ * @macaddr_mask: Bits set to 0 shall be copied from the MAC address template.
+ * Bits set to 1 shall be randomized by the UMAC
+ * @macaddr_template: MAC address template to use for non-randomized bits
+ * @req_timeout_ms: Requested timeout of the response in units of milliseconds.
+ * This is the session time for completing the measurement.
+ * @tsf_mac_id: report the measurement start time for each ap in terms of the
+ * TSF of this mac id. 0xff to disable TSF reporting.
+ * @ap: per-AP request data, see &struct iwl_tof_range_req_ap_entry_v2.
+ */
+struct iwl_tof_range_req_cmd {
+ __le32 initiator_flags;
+ u8 request_id;
+ u8 num_of_ap;
+ u8 range_req_bssid[ETH_ALEN];
+ u8 macaddr_mask[ETH_ALEN];
+ u8 macaddr_template[ETH_ALEN];
+ __le32 req_timeout_ms;
+ __le32 tsf_mac_id;
+ struct iwl_tof_range_req_ap_entry ap[IWL_MVM_TOF_MAX_APS];
+} __packed; /* LOCATION_RANGE_REQ_CMD_API_S_VER_9 */
+
/*
* enum iwl_tof_range_request_status - status of the sent request
* @IWL_TOF_RANGE_REQUEST_STATUS_SUCCESSFUL - FW successfully received the
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h b/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h
index 97b49843e318..fd719c37428c 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/nvm-reg.h
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(C) 2018 - 2019 Intel Corporation
+ * Copyright(C) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(C) 2018 - 2019 Intel Corporation
+ * Copyright(C) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -75,11 +75,21 @@ enum iwl_regulatory_and_nvm_subcmd_ids {
NVM_ACCESS_COMPLETE = 0x0,
/**
+ * @LARI_CONFIG_CHANGE: &struct iwl_lari_config_change_cmd
+ */
+ LARI_CONFIG_CHANGE = 0x1,
+
+ /**
* @NVM_GET_INFO:
* Command is &struct iwl_nvm_get_info,
* response is &struct iwl_nvm_get_info_rsp
*/
NVM_GET_INFO = 0x2,
+
+ /**
+ * @TAS_CONFIG: &struct iwl_tas_config_cmd
+ */
+ TAS_CONFIG = 0x3,
};
/**
@@ -431,4 +441,39 @@ enum iwl_mcc_source {
MCC_SOURCE_GETTING_MCC_TEST_MODE = 0x11,
};
+#define IWL_TAS_BLACK_LIST_MAX 16
+/**
+ * struct iwl_tas_config_cmd - configures the TAS
+ * @black_list_size: size of relevant field in black_list_array
+ * @black_list_array: black list countries (without TAS)
+ */
+struct iwl_tas_config_cmd {
+ __le32 black_list_size;
+ __le32 black_list_array[IWL_TAS_BLACK_LIST_MAX];
+} __packed; /* TAS_CONFIG_CMD_API_S_VER_2 */
+
+/**
+ * enum iwl_lari_configs - bit masks for the various LARI config operations
+ * @LARI_CONFIG_DISABLE_11AC_UKRAINE_MSK: disable 11ac in ukraine
+ * @LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK: ETSI 5.8GHz SRD passive scan
+ * @LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK: ETSI 5.8GHz SRD disabled
+ * @LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK: enable 5.15/5.35GHz bands in
+ * Indonesia
+ */
+enum iwl_lari_config_masks {
+ LARI_CONFIG_DISABLE_11AC_UKRAINE_MSK = BIT(0),
+ LARI_CONFIG_CHANGE_ETSI_TO_PASSIVE_MSK = BIT(1),
+ LARI_CONFIG_CHANGE_ETSI_TO_DISABLED_MSK = BIT(2),
+ LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK = BIT(3),
+};
+
+/**
+ * struct iwl_lari_config_change_cmd - change LARI configuration
+ * @config_bitmap: bit map of the config commands. each bit will trigger a
+ * different predefined FW config operation
+ */
+struct iwl_lari_config_change_cmd {
+ __le32 config_bitmap;
+} __packed; /* LARI_CHANGE_CONF_CMD_S_VER_1 */
+
#endif /* __iwl_fw_api_nvm_reg_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
index 88bc7733065f..b8b36a4f9eb9 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/rx.h
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -535,9 +533,9 @@ struct iwl_rx_mpdu_desc_v3 {
__le32 filter_match;
/**
- * @phy_data2: depends on info type (see @phy_data1)
+ * @phy_data3: depends on info type (see @phy_data1)
*/
- __le32 phy_data2;
+ __le32 phy_data3;
};
/* DW8 - carries rss_hash only when rpa_en == 1 */
@@ -548,9 +546,9 @@ struct iwl_rx_mpdu_desc_v3 {
__le32 rss_hash;
/**
- * @phy_data3: depends on info type (see @phy_data1)
+ * @phy_data2: depends on info type (see @phy_data1)
*/
- __le32 phy_data3;
+ __le32 phy_data2;
};
/* DW9 */
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
index 3d770f406c38..5cc33a1b7172 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/scan.h
@@ -1051,20 +1051,6 @@ struct iwl_scan_req_params_v12 {
} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_12 */
/**
- * struct iwl_scan_req_params_v13
- * @general_params: &struct iwl_scan_general_params_v10
- * @channel_params: &struct iwl_scan_channel_params_v4
- * @periodic_params: &struct iwl_scan_periodic_parms_v1
- * @probe_params: &struct iwl_scan_probe_params_v4
- */
-struct iwl_scan_req_params_v13 {
- struct iwl_scan_general_params_v10 general_params;
- struct iwl_scan_channel_params_v4 channel_params;
- struct iwl_scan_periodic_parms_v1 periodic_params;
- struct iwl_scan_probe_params_v4 probe_params;
-} __packed; /* SCAN_REQUEST_PARAMS_API_S_VER_13 */
-
-/**
* struct iwl_scan_req_params_v14
* @general_params: &struct iwl_scan_general_params_v10
* @channel_params: &struct iwl_scan_channel_params_v6
@@ -1091,18 +1077,6 @@ struct iwl_scan_req_umac_v12 {
} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_12 */
/**
- * struct iwl_scan_req_umac_v13
- * @uid: scan id, &enum iwl_umac_scan_uid_offsets
- * @ooc_priority: out of channel priority - &enum iwl_scan_priority
- * @scan_params: scan parameters
- */
-struct iwl_scan_req_umac_v13 {
- __le32 uid;
- __le32 ooc_priority;
- struct iwl_scan_req_params_v13 scan_params;
-} __packed; /* SCAN_REQUEST_CMD_UMAC_API_S_VER_13 */
-
-/**
* struct iwl_scan_req_umac_v14
* @uid: scan id, &enum iwl_umac_scan_uid_offsets
* @ooc_priority: out of channel priority - &enum iwl_scan_priority
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h b/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h
index aadca78e9846..0c6d7b3e1324 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/soc.h
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Deutschland GmbH
+ * Copyright(c) 2012 - 2014, 2019 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Deutschland GmbH
+ * Copyright(c) 2012 - 2014, 2019 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -68,6 +66,12 @@
#define SOC_CONFIG_CMD_FLAGS_DISCRETE BIT(0)
#define SOC_CONFIG_CMD_FLAGS_LOW_LATENCY BIT(1)
+#define SOC_FLAGS_LTR_APPLY_DELAY_MASK 0xc
+#define SOC_FLAGS_LTR_APPLY_DELAY_NONE 0
+#define SOC_FLAGS_LTR_APPLY_DELAY_200 1
+#define SOC_FLAGS_LTR_APPLY_DELAY_2500 2
+#define SOC_FLAGS_LTR_APPLY_DELAY_1820 3
+
/**
* struct iwl_soc_configuration_cmd - Set device stabilization latency
*
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/sta.h b/drivers/net/wireless/intel/iwlwifi/fw/api/sta.h
index 970e9e508ad0..c010e6febbf4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/sta.h
@@ -245,32 +245,6 @@ enum iwl_sta_sleep_flag {
#define STA_KEY_LEN_WEP40 (5)
#define STA_KEY_LEN_WEP104 (13)
-/**
- * struct iwl_mvm_keyinfo - key information
- * @key_flags: type &enum iwl_sta_key_flag
- * @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
- * @reserved1: reserved
- * @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
- * @key_offset: key offset in the fw's key table
- * @reserved2: reserved
- * @key: 16-byte unicast decryption key
- * @tx_secur_seq_cnt: initial RSC / PN needed for replay check
- * @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
- * @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
- */
-struct iwl_mvm_keyinfo {
- __le16 key_flags;
- u8 tkip_rx_tsc_byte2;
- u8 reserved1;
- __le16 tkip_rx_ttak[5];
- u8 key_offset;
- u8 reserved2;
- u8 key[16];
- __le64 tx_secur_seq_cnt;
- __le64 hw_tkip_mic_rx_key;
- __le64 hw_tkip_mic_tx_key;
-} __packed;
-
#define IWL_ADD_STA_STATUS_MASK 0xFF
#define IWL_ADD_STA_BAID_VALID_MASK 0x8000
#define IWL_ADD_STA_BAID_MASK 0x7F00
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/txq.h b/drivers/net/wireless/intel/iwlwifi/fw/api/txq.h
index 73196cbc7fbe..75d958bab0e3 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/txq.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/txq.h
@@ -8,7 +8,7 @@
* Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -99,7 +99,7 @@ enum iwl_mvm_dqa_txq {
IWL_MVM_DQA_MAX_MGMT_QUEUE = 8,
IWL_MVM_DQA_AP_PROBE_RESP_QUEUE = 9,
IWL_MVM_DQA_MIN_DATA_QUEUE = 10,
- IWL_MVM_DQA_MAX_DATA_QUEUE = 31,
+ IWL_MVM_DQA_MAX_DATA_QUEUE = 30,
};
enum iwl_mvm_tx_fifo {
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 14ac7153a3e7..4d3687cc83a4 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -818,7 +818,8 @@ static void iwl_dump_paging(struct iwl_fw_runtime *fwrt,
static struct iwl_fw_error_dump_file *
iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt,
- struct iwl_fw_dump_ptrs *fw_error_dump)
+ struct iwl_fw_dump_ptrs *fw_error_dump,
+ struct iwl_fwrt_dump_data *data)
{
struct iwl_fw_error_dump_file *dump_file;
struct iwl_fw_error_dump_data *dump_data;
@@ -900,15 +901,15 @@ iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt,
}
/* If we only want a monitor dump, reset the file length */
- if (fwrt->dump.monitor_only) {
+ if (data->monitor_only) {
file_len = sizeof(*dump_file) + sizeof(*dump_data) * 2 +
sizeof(*dump_info) + sizeof(*dump_smem_cfg);
}
if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) &&
- fwrt->dump.desc)
+ data->desc)
file_len += sizeof(*dump_data) + sizeof(*dump_trig) +
- fwrt->dump.desc->len;
+ data->desc->len;
dump_file = vzalloc(file_len);
if (!dump_file)
@@ -984,19 +985,19 @@ iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt,
iwl_read_radio_regs(fwrt, &dump_data);
if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_ERROR_INFO) &&
- fwrt->dump.desc) {
+ data->desc) {
dump_data->type = cpu_to_le32(IWL_FW_ERROR_DUMP_ERROR_INFO);
dump_data->len = cpu_to_le32(sizeof(*dump_trig) +
- fwrt->dump.desc->len);
+ data->desc->len);
dump_trig = (void *)dump_data->data;
- memcpy(dump_trig, &fwrt->dump.desc->trig_desc,
- sizeof(*dump_trig) + fwrt->dump.desc->len);
+ memcpy(dump_trig, &data->desc->trig_desc,
+ sizeof(*dump_trig) + data->desc->len);
dump_data = iwl_fw_error_next_data(dump_data);
}
/* In case we only want monitor dump, skip to dump trasport data */
- if (fwrt->dump.monitor_only)
+ if (data->monitor_only)
goto out;
if (iwl_fw_dbg_type_on(fwrt, IWL_FW_ERROR_DUMP_MEM)) {
@@ -1366,33 +1367,57 @@ static void iwl_ini_get_rxf_data(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_region_tlv *reg = (void *)reg_data->reg_tlv->data;
u32 fid1 = le32_to_cpu(reg->fifos.fid[0]);
u32 fid2 = le32_to_cpu(reg->fifos.fid[1]);
- u32 fifo_idx;
+ u8 fifo_idx;
if (!data)
return;
+ /* make sure only one bit is set in only one fid */
+ if (WARN_ONCE(hweight_long(fid1) + hweight_long(fid2) != 1,
+ "fid1=%x, fid2=%x\n", fid1, fid2))
+ return;
+
memset(data, 0, sizeof(*data));
- if (WARN_ON_ONCE((fid1 && fid2) || (!fid1 && !fid2)))
- return;
+ if (fid1) {
+ fifo_idx = ffs(fid1) - 1;
+ if (WARN_ONCE(fifo_idx >= MAX_NUM_LMAC, "fifo_idx=%d\n",
+ fifo_idx))
+ return;
- fifo_idx = ffs(fid1) - 1;
- if (fid1 && !WARN_ON_ONCE((~BIT(fifo_idx) & fid1) ||
- fifo_idx >= MAX_NUM_LMAC)) {
data->size = fwrt->smem_cfg.lmac[fifo_idx].rxfifo1_size;
data->fifo_num = fifo_idx;
- return;
- }
+ } else {
+ u8 max_idx;
+
+ fifo_idx = ffs(fid2) - 1;
+ if (iwl_fw_lookup_notif_ver(fwrt->fw, SYSTEM_GROUP,
+ SHARED_MEM_CFG_CMD, 0) <= 3)
+ max_idx = 0;
+ else
+ max_idx = 1;
+
+ if (WARN_ONCE(fifo_idx > max_idx,
+ "invalid umac fifo idx %d", fifo_idx))
+ return;
- fifo_idx = ffs(fid2) - 1;
- if (fid2 && !WARN_ON_ONCE(fifo_idx != 0)) {
- data->size = fwrt->smem_cfg.rxfifo2_size;
- data->offset = RXF_DIFF_FROM_PREV;
/* use bit 31 to distinguish between umac and lmac rxf while
* parsing the dump
*/
data->fifo_num = fifo_idx | IWL_RXF_UMAC_BIT;
- return;
+
+ switch (fifo_idx) {
+ case 0:
+ data->size = fwrt->smem_cfg.rxfifo2_size;
+ data->offset = iwl_umac_prph(fwrt->trans,
+ RXF_DIFF_FROM_PREV);
+ break;
+ case 1:
+ data->size = fwrt->smem_cfg.rxfifo2_control_size;
+ data->offset = iwl_umac_prph(fwrt->trans,
+ RXF2C_DIFF_FROM_PREV);
+ break;
+ }
}
}
@@ -1933,6 +1958,7 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt,
struct iwl_fw_ini_dump_cfg_name *cfg_name;
u32 size = sizeof(*tlv) + sizeof(*dump);
u32 num_of_cfg_names = 0;
+ u32 hw_type;
list_for_each_entry(node, &fwrt->trans->dbg.debug_info_tlv_list, list) {
size += sizeof(*cfg_name);
@@ -1961,7 +1987,26 @@ static u32 iwl_dump_ini_info(struct iwl_fw_runtime *fwrt,
dump->ver_subtype = cpu_to_le32(fwrt->dump.fw_ver.subtype);
dump->hw_step = cpu_to_le32(CSR_HW_REV_STEP(fwrt->trans->hw_rev));
- dump->hw_type = cpu_to_le32(CSR_HW_REV_TYPE(fwrt->trans->hw_rev));
+
+ /*
+ * Several HWs all have type == 0x42, so we'll override this value
+ * according to the detected HW
+ */
+ hw_type = CSR_HW_REV_TYPE(fwrt->trans->hw_rev);
+ if (hw_type == IWL_AX210_HW_TYPE) {
+ u32 prph_val = iwl_read_prph(fwrt->trans, WFPM_OTP_CFG1_ADDR);
+ u32 is_jacket = !!(prph_val & WFPM_OTP_CFG1_IS_JACKET_BIT);
+ u32 is_cdb = !!(prph_val & WFPM_OTP_CFG1_IS_CDB_BIT);
+ u32 masked_bits = is_jacket | (is_cdb << 1);
+
+ /*
+ * The HW type depends on certain bits in this case, so add
+ * these bits to the HW type. We won't have collisions since we
+ * add these bits after the highest possible bit in the mask.
+ */
+ hw_type |= masked_bits << IWL_AX210_HW_TYPE_ADDITION_SHIFT;
+ }
+ dump->hw_type = cpu_to_le32(hw_type);
dump->rf_id_flavor =
cpu_to_le32(CSR_HW_RFID_FLAVOR(fwrt->trans->hw_rf_id));
@@ -2094,7 +2139,11 @@ static u32 iwl_dump_ini_trigger(struct iwl_fw_runtime *fwrt,
u32 size = 0;
u64 regions_mask = le64_to_cpu(trigger->regions_mask);
- for (i = 0; i < 64; i++) {
+ BUILD_BUG_ON(sizeof(trigger->regions_mask) != sizeof(regions_mask));
+ BUILD_BUG_ON((sizeof(trigger->regions_mask) * BITS_PER_BYTE) <
+ ARRAY_SIZE(fwrt->trans->dbg.active_regions));
+
+ for (i = 0; i < ARRAY_SIZE(fwrt->trans->dbg.active_regions); i++) {
u32 reg_type;
struct iwl_fw_ini_region_tlv *reg;
@@ -2172,7 +2221,20 @@ static u32 iwl_dump_ini_file_gen(struct iwl_fw_runtime *fwrt,
return le32_to_cpu(hdr->file_len);
}
-static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
+static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt,
+ const struct iwl_fw_dump_desc *desc)
+{
+ if (desc && desc != &iwl_dump_desc_assert)
+ kfree(desc);
+
+ fwrt->dump.lmac_err_id[0] = 0;
+ if (fwrt->smem_cfg.num_lmacs > 1)
+ fwrt->dump.lmac_err_id[1] = 0;
+ fwrt->dump.umac_err_id = 0;
+}
+
+static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt,
+ struct iwl_fwrt_dump_data *dump_data)
{
struct iwl_fw_dump_ptrs fw_error_dump = {};
struct iwl_fw_error_dump_file *dump_file;
@@ -2180,11 +2242,11 @@ static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
u32 file_len;
u32 dump_mask = fwrt->fw->dbg.dump_mask;
- dump_file = iwl_fw_error_dump_file(fwrt, &fw_error_dump);
+ dump_file = iwl_fw_error_dump_file(fwrt, &fw_error_dump, dump_data);
if (!dump_file)
- goto out;
+ return;
- if (fwrt->dump.monitor_only)
+ if (dump_data->monitor_only)
dump_mask &= IWL_FW_ERROR_DUMP_FW_MONITOR;
fw_error_dump.trans_ptr = iwl_trans_dump_data(fwrt->trans, dump_mask);
@@ -2213,9 +2275,6 @@ static void iwl_fw_error_dump(struct iwl_fw_runtime *fwrt)
}
vfree(fw_error_dump.fwrt_ptr);
vfree(fw_error_dump.trans_ptr);
-
-out:
- iwl_fw_free_dump_desc(fwrt);
}
static void iwl_dump_ini_list_free(struct list_head *list)
@@ -2244,7 +2303,7 @@ static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
u32 file_len = iwl_dump_ini_file_gen(fwrt, dump_data, &dump_list);
if (!file_len)
- goto out;
+ return;
sg_dump_data = alloc_sgtable(file_len);
if (sg_dump_data) {
@@ -2261,9 +2320,6 @@ static void iwl_fw_error_ini_dump(struct iwl_fw_runtime *fwrt,
GFP_KERNEL);
}
iwl_dump_ini_list_free(&dump_list);
-
-out:
- iwl_fw_error_dump_data_free(dump_data);
}
const struct iwl_fw_dump_desc iwl_dump_desc_assert = {
@@ -2278,27 +2334,40 @@ int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
bool monitor_only,
unsigned int delay)
{
+ struct iwl_fwrt_wk_data *wk_data;
+ unsigned long idx;
+
if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
- iwl_fw_free_dump_desc(fwrt);
+ iwl_fw_free_dump_desc(fwrt, desc);
return 0;
}
- /* use wks[0] since dump flow prior to ini does not need to support
- * consecutive triggers collection
+ /*
+ * Check there is an available worker.
+ * ffz return value is undefined if no zero exists,
+ * so check against ~0UL first.
*/
- if (test_and_set_bit(fwrt->dump.wks[0].idx, &fwrt->dump.active_wks))
+ if (fwrt->dump.active_wks == ~0UL)
return -EBUSY;
- if (WARN_ON(fwrt->dump.desc))
- iwl_fw_free_dump_desc(fwrt);
+ idx = ffz(fwrt->dump.active_wks);
+
+ if (idx >= IWL_FW_RUNTIME_DUMP_WK_NUM ||
+ test_and_set_bit(fwrt->dump.wks[idx].idx, &fwrt->dump.active_wks))
+ return -EBUSY;
+
+ wk_data = &fwrt->dump.wks[idx];
+
+ if (WARN_ON(wk_data->dump_data.desc))
+ iwl_fw_free_dump_desc(fwrt, wk_data->dump_data.desc);
+
+ wk_data->dump_data.desc = desc;
+ wk_data->dump_data.monitor_only = monitor_only;
IWL_WARN(fwrt, "Collecting data: trigger %d fired.\n",
le32_to_cpu(desc->trig_desc.type));
- fwrt->dump.desc = desc;
- fwrt->dump.monitor_only = monitor_only;
-
- schedule_delayed_work(&fwrt->dump.wks[0].wk, usecs_to_jiffies(delay));
+ schedule_delayed_work(&wk_data->wk, usecs_to_jiffies(delay));
return 0;
}
@@ -2307,26 +2376,40 @@ IWL_EXPORT_SYMBOL(iwl_fw_dbg_collect_desc);
int iwl_fw_dbg_error_collect(struct iwl_fw_runtime *fwrt,
enum iwl_fw_dbg_trigger trig_type)
{
- int ret;
- struct iwl_fw_dump_desc *iwl_dump_error_desc;
-
if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status))
return -EIO;
- iwl_dump_error_desc = kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL);
- if (!iwl_dump_error_desc)
- return -ENOMEM;
+ if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
+ if (trig_type != FW_DBG_TRIGGER_ALIVE_TIMEOUT)
+ return -EIO;
- iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type);
- iwl_dump_error_desc->len = 0;
+ iwl_dbg_tlv_time_point(fwrt,
+ IWL_FW_INI_TIME_POINT_HOST_ALIVE_TIMEOUT,
+ NULL);
+ } else {
+ struct iwl_fw_dump_desc *iwl_dump_error_desc;
+ int ret;
- ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc, false, 0);
- if (ret)
- kfree(iwl_dump_error_desc);
- else
- iwl_trans_sync_nmi(fwrt->trans);
+ iwl_dump_error_desc =
+ kmalloc(sizeof(*iwl_dump_error_desc), GFP_KERNEL);
- return ret;
+ if (!iwl_dump_error_desc)
+ return -ENOMEM;
+
+ iwl_dump_error_desc->trig_desc.type = cpu_to_le32(trig_type);
+ iwl_dump_error_desc->len = 0;
+
+ ret = iwl_fw_dbg_collect_desc(fwrt, iwl_dump_error_desc,
+ false, 0);
+ if (ret) {
+ kfree(iwl_dump_error_desc);
+ return ret;
+ }
+ }
+
+ iwl_trans_sync_nmi(fwrt->trans);
+
+ return 0;
}
IWL_EXPORT_SYMBOL(iwl_fw_dbg_error_collect);
@@ -2504,14 +2587,14 @@ IWL_EXPORT_SYMBOL(iwl_fw_start_dbg_conf);
static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
{
struct iwl_fw_dbg_params params = {0};
+ struct iwl_fwrt_dump_data *dump_data =
+ &fwrt->dump.wks[wk_idx].dump_data;
if (!test_bit(wk_idx, &fwrt->dump.active_wks))
return;
- if (fwrt->ops && fwrt->ops->fw_running &&
- !fwrt->ops->fw_running(fwrt->ops_ctx)) {
- IWL_ERR(fwrt, "Firmware not running - cannot dump error\n");
- iwl_fw_free_dump_desc(fwrt);
+ if (!test_bit(STATUS_DEVICE_ENABLED, &fwrt->trans->status)) {
+ IWL_ERR(fwrt, "Device is not enabled - cannot dump error\n");
goto out;
}
@@ -2527,12 +2610,19 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
if (iwl_trans_dbg_ini_valid(fwrt->trans))
iwl_fw_error_ini_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data);
else
- iwl_fw_error_dump(fwrt);
+ iwl_fw_error_dump(fwrt, &fwrt->dump.wks[wk_idx].dump_data);
IWL_DEBUG_FW_INFO(fwrt, "WRT: Data collection done\n");
iwl_fw_dbg_stop_restart_recording(fwrt, &params, false);
out:
+ if (iwl_trans_dbg_ini_valid(fwrt->trans)) {
+ iwl_fw_error_dump_data_free(dump_data);
+ } else {
+ iwl_fw_free_dump_desc(fwrt, dump_data->desc);
+ dump_data->desc = NULL;
+ }
+
clear_bit(wk_idx, &fwrt->dump.active_wks);
}
@@ -2690,7 +2780,7 @@ void iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt,
struct iwl_fw_dbg_params *params,
bool stop)
{
- int ret = 0;
+ int ret __maybe_unused = 0;
if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status))
return;
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
index 9d3513213f5f..11558df36b94 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h
@@ -98,17 +98,6 @@ struct iwl_fw_dbg_params {
extern const struct iwl_fw_dump_desc iwl_dump_desc_assert;
-static inline void iwl_fw_free_dump_desc(struct iwl_fw_runtime *fwrt)
-{
- if (fwrt->dump.desc != &iwl_dump_desc_assert)
- kfree(fwrt->dump.desc);
- fwrt->dump.desc = NULL;
- fwrt->dump.lmac_err_id[0] = 0;
- if (fwrt->smem_cfg.num_lmacs > 1)
- fwrt->dump.lmac_err_id[1] = 0;
- fwrt->dump.umac_err_id = 0;
-}
-
int iwl_fw_dbg_collect_desc(struct iwl_fw_runtime *fwrt,
const struct iwl_fw_dump_desc *desc,
bool monitor_only, unsigned int delay);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
index 89f74116569d..6e72c27f527b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -64,6 +62,7 @@
#include "api/commands.h"
#include "debugfs.h"
#include "dbg.h"
+#include <linux/seq_file.h>
#define FWRT_DEBUGFS_OPEN_WRAPPER(name, buflen, argtype) \
struct dbgfs_##name##_data { \
@@ -329,11 +328,108 @@ static ssize_t iwl_dbgfs_fw_dbg_domain_read(struct iwl_fw_runtime *fwrt,
FWRT_DEBUGFS_READ_FILE_OPS(fw_dbg_domain, 20);
+struct iwl_dbgfs_fw_info_priv {
+ struct iwl_fw_runtime *fwrt;
+};
+
+struct iwl_dbgfs_fw_info_state {
+ loff_t pos;
+};
+
+static void *iwl_dbgfs_fw_info_seq_next(struct seq_file *seq,
+ void *v, loff_t *pos)
+{
+ struct iwl_dbgfs_fw_info_state *state = v;
+ struct iwl_dbgfs_fw_info_priv *priv = seq->private;
+ const struct iwl_fw *fw = priv->fwrt->fw;
+
+ *pos = ++state->pos;
+ if (*pos >= fw->ucode_capa.n_cmd_versions)
+ return NULL;
+
+ return state;
+}
+
+static void iwl_dbgfs_fw_info_seq_stop(struct seq_file *seq,
+ void *v)
+{
+ kfree(v);
+}
+
+static void *iwl_dbgfs_fw_info_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ struct iwl_dbgfs_fw_info_priv *priv = seq->private;
+ const struct iwl_fw *fw = priv->fwrt->fw;
+ struct iwl_dbgfs_fw_info_state *state;
+
+ if (*pos >= fw->ucode_capa.n_cmd_versions)
+ return NULL;
+
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
+ return NULL;
+ state->pos = *pos;
+ return state;
+};
+
+static int iwl_dbgfs_fw_info_seq_show(struct seq_file *seq, void *v)
+{
+ struct iwl_dbgfs_fw_info_state *state = v;
+ struct iwl_dbgfs_fw_info_priv *priv = seq->private;
+ const struct iwl_fw *fw = priv->fwrt->fw;
+ const struct iwl_fw_cmd_version *ver;
+ u32 cmd_id;
+
+ if (!state->pos)
+ seq_puts(seq, "fw_api_ver:\n");
+
+ ver = &fw->ucode_capa.cmd_versions[state->pos];
+
+ cmd_id = iwl_cmd_id(ver->cmd, ver->group, 0);
+
+ seq_printf(seq, " 0x%04x:\n", cmd_id);
+ seq_printf(seq, " name: %s\n",
+ iwl_get_cmd_string(priv->fwrt->trans, cmd_id));
+ seq_printf(seq, " cmd_ver: %d\n", ver->cmd_ver);
+ seq_printf(seq, " notif_ver: %d\n", ver->notif_ver);
+ return 0;
+}
+
+static const struct seq_operations iwl_dbgfs_info_seq_ops = {
+ .start = iwl_dbgfs_fw_info_seq_start,
+ .next = iwl_dbgfs_fw_info_seq_next,
+ .stop = iwl_dbgfs_fw_info_seq_stop,
+ .show = iwl_dbgfs_fw_info_seq_show,
+};
+
+static int iwl_dbgfs_fw_info_open(struct inode *inode, struct file *filp)
+{
+ struct iwl_dbgfs_fw_info_priv *priv;
+
+ priv = __seq_open_private(filp, &iwl_dbgfs_info_seq_ops,
+ sizeof(*priv));
+
+ if (!priv)
+ return -ENOMEM;
+
+ priv->fwrt = inode->i_private;
+ return 0;
+}
+
+static const struct file_operations iwl_dbgfs_fw_info_ops = {
+ .owner = THIS_MODULE,
+ .open = iwl_dbgfs_fw_info_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_private,
+};
+
void iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir)
{
INIT_DELAYED_WORK(&fwrt->timestamp.wk, iwl_fw_timestamp_marker_wk);
FWRT_DEBUGFS_ADD_FILE(timestamp_marker, dbgfs_dir, 0200);
+ FWRT_DEBUGFS_ADD_FILE(fw_info, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(send_hcmd, dbgfs_dir, 0200);
FWRT_DEBUGFS_ADD_FILE(fw_dbg_domain, dbgfs_dir, 0400);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
index f008e1bbfdf4..72bfc64580ab 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/error-dump.h
@@ -8,7 +8,7 @@
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2014 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -394,6 +394,15 @@ struct iwl_fw_ini_dump_cfg_name {
u8 cfg_name[IWL_FW_INI_MAX_CFG_NAME];
} __packed;
+/* AX210's HW type */
+#define IWL_AX210_HW_TYPE 0x42
+/* How many bits to roll when adding to the HW type of AX210 HW */
+#define IWL_AX210_HW_TYPE_ADDITION_SHIFT 12
+/* This prph is used to tell apart HW_TYPE == 0x42 NICs */
+#define WFPM_OTP_CFG1_ADDR 0xd03098
+#define WFPM_OTP_CFG1_IS_JACKET_BIT BIT(4)
+#define WFPM_OTP_CFG1_IS_CDB_BIT BIT(5)
+
/* struct iwl_fw_ini_dump_info - ini dump information
* @version: dump version
* @time_point: time point that caused the dump collection
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h
index 35f42e529a6d..1fb45fd30ffa 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/file.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h
@@ -449,6 +449,7 @@ enum iwl_ucode_tlv_capa {
IWL_UCODE_TLV_CAPA_CS_MODIFY = (__force iwl_ucode_tlv_capa_t)49,
IWL_UCODE_TLV_CAPA_SET_LTR_GEN2 = (__force iwl_ucode_tlv_capa_t)50,
IWL_UCODE_TLV_CAPA_SET_PPAG = (__force iwl_ucode_tlv_capa_t)52,
+ IWL_UCODE_TLV_CAPA_TAS_CFG = (__force iwl_ucode_tlv_capa_t)53,
IWL_UCODE_TLV_CAPA_SESSION_PROT_CMD = (__force iwl_ucode_tlv_capa_t)54,
/* set 2 */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/img.c b/drivers/net/wireless/intel/iwlwifi/fw/img.c
new file mode 100644
index 000000000000..de8cff463dbe
--- /dev/null
+++ b/drivers/net/wireless/intel/iwlwifi/fw/img.c
@@ -0,0 +1,99 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2019 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ * Intel Linux Wireless <linuxwifi@intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2019 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#include "img.h"
+
+u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd)
+{
+ const struct iwl_fw_cmd_version *entry;
+ unsigned int i;
+
+ if (!fw->ucode_capa.cmd_versions ||
+ !fw->ucode_capa.n_cmd_versions)
+ return IWL_FW_CMD_VER_UNKNOWN;
+
+ entry = fw->ucode_capa.cmd_versions;
+ for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
+ if (entry->group == grp && entry->cmd == cmd)
+ return entry->cmd_ver;
+ }
+
+ return IWL_FW_CMD_VER_UNKNOWN;
+}
+EXPORT_SYMBOL_GPL(iwl_fw_lookup_cmd_ver);
+
+u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def)
+{
+ const struct iwl_fw_cmd_version *entry;
+ unsigned int i;
+
+ if (!fw->ucode_capa.cmd_versions ||
+ !fw->ucode_capa.n_cmd_versions)
+ return def;
+
+ entry = fw->ucode_capa.cmd_versions;
+ for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
+ if (entry->group == grp && entry->cmd == cmd) {
+ if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
+ return def;
+ return entry->notif_ver;
+ }
+ }
+
+ return def;
+}
+EXPORT_SYMBOL_GPL(iwl_fw_lookup_notif_ver);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/img.h b/drivers/net/wireless/intel/iwlwifi/fw/img.h
index 90ca5f929cf9..a8630bf90b63 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/img.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/img.h
@@ -313,22 +313,7 @@ iwl_get_ucode_image(const struct iwl_fw *fw, enum iwl_ucode_type ucode_type)
return &fw->img[ucode_type];
}
-static inline u8 iwl_mvm_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd)
-{
- const struct iwl_fw_cmd_version *entry;
- unsigned int i;
-
- if (!fw->ucode_capa.cmd_versions ||
- !fw->ucode_capa.n_cmd_versions)
- return IWL_FW_CMD_VER_UNKNOWN;
-
- entry = fw->ucode_capa.cmd_versions;
- for (i = 0; i < fw->ucode_capa.n_cmd_versions; i++, entry++) {
- if (entry->group == grp && entry->cmd == cmd)
- return entry->cmd_ver;
- }
-
- return IWL_FW_CMD_VER_UNKNOWN;
-}
+u8 iwl_fw_lookup_cmd_ver(const struct iwl_fw *fw, u8 grp, u8 cmd);
+u8 iwl_fw_lookup_notif_ver(const struct iwl_fw *fw, u8 grp, u8 cmd, u8 def);
#endif /* __iwl_fw_img_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/init.c b/drivers/net/wireless/intel/iwlwifi/fw/init.c
index ba00d162ce72..b373606e1241 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/init.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/init.c
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -27,7 +27,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2019 Intel Corporation
+ * Copyright(c) 2019 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -62,6 +62,9 @@
#include "dbg.h"
#include "debugfs.h"
+#include "fw/api/soc.h"
+#include "fw/api/commands.h"
+
void iwl_fw_runtime_init(struct iwl_fw_runtime *fwrt, struct iwl_trans *trans,
const struct iwl_fw *fw,
const struct iwl_fw_runtime_ops *ops, void *ops_ctx,
@@ -95,3 +98,51 @@ void iwl_fw_runtime_resume(struct iwl_fw_runtime *fwrt)
iwl_fw_resume_timestamp(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_runtime_resume);
+
+/* set device type and latency */
+int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt)
+{
+ struct iwl_soc_configuration_cmd cmd = {};
+ struct iwl_host_cmd hcmd = {
+ .id = iwl_cmd_id(SOC_CONFIGURATION_CMD, SYSTEM_GROUP, 0),
+ .data[0] = &cmd,
+ .len[0] = sizeof(cmd),
+ };
+ int ret;
+
+ /*
+ * In VER_1 of this command, the discrete value is considered
+ * an integer; In VER_2, it's a bitmask. Since we have only 2
+ * values in VER_1, this is backwards-compatible with VER_2,
+ * as long as we don't set any other bits.
+ */
+ if (!fwrt->trans->trans_cfg->integrated)
+ cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
+
+ BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_NONE !=
+ SOC_FLAGS_LTR_APPLY_DELAY_NONE);
+ BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_200US !=
+ SOC_FLAGS_LTR_APPLY_DELAY_200);
+ BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_2500US !=
+ SOC_FLAGS_LTR_APPLY_DELAY_2500);
+ BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_1820US !=
+ SOC_FLAGS_LTR_APPLY_DELAY_1820);
+
+ if (fwrt->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE &&
+ !WARN_ON(!fwrt->trans->trans_cfg->integrated))
+ cmd.flags |= le32_encode_bits(fwrt->trans->trans_cfg->ltr_delay,
+ SOC_FLAGS_LTR_APPLY_DELAY_MASK);
+
+ if (iwl_fw_lookup_cmd_ver(fwrt->fw, IWL_ALWAYS_LONG_GROUP,
+ SCAN_REQ_UMAC) >= 2 &&
+ fwrt->trans->trans_cfg->low_latency_xtal)
+ cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
+
+ cmd.latency = cpu_to_le32(fwrt->trans->trans_cfg->xtal_latency);
+
+ ret = iwl_trans_send_cmd(fwrt->trans, &hcmd);
+ if (ret)
+ IWL_ERR(fwrt, "Failed to set soc latency: %d\n", ret);
+ return ret;
+}
+IWL_EXPORT_SYMBOL(iwl_set_soc_latency);
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
index da0d90e2b537..b5e5e32b6152 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/runtime.h
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -27,7 +27,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -86,6 +86,7 @@ struct iwl_fwrt_shared_mem_cfg {
u32 rxfifo1_size;
} lmac[MAX_NUM_LMAC];
u32 rxfifo2_size;
+ u32 rxfifo2_control_size;
u32 internal_txfifo_addr;
u32 internal_txfifo_size[TX_FIFO_INTERNAL_MAX_NUM];
};
@@ -98,8 +99,16 @@ struct iwl_fwrt_shared_mem_cfg {
* @fw_pkt: packet received from FW
*/
struct iwl_fwrt_dump_data {
- struct iwl_fw_ini_trigger_tlv *trig;
- struct iwl_rx_packet *fw_pkt;
+ union {
+ struct {
+ struct iwl_fw_ini_trigger_tlv *trig;
+ struct iwl_rx_packet *fw_pkt;
+ };
+ struct {
+ const struct iwl_fw_dump_desc *desc;
+ bool monitor_only;
+ };
+ };
};
/**
@@ -162,8 +171,6 @@ struct iwl_fw_runtime {
/* debug */
struct {
- const struct iwl_fw_dump_desc *desc;
- bool monitor_only;
struct iwl_fwrt_wk_data wks[IWL_FW_RUNTIME_DUMP_WK_NUM];
unsigned long active_wks;
@@ -235,5 +242,6 @@ int iwl_init_paging(struct iwl_fw_runtime *fwrt, enum iwl_ucode_type type);
void iwl_free_fw_paging(struct iwl_fw_runtime *fwrt);
void iwl_get_shared_mem_conf(struct iwl_fw_runtime *fwrt);
+int iwl_set_soc_latency(struct iwl_fw_runtime *fwrt);
#endif /* __iwl_fw_runtime_h__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/smem.c b/drivers/net/wireless/intel/iwlwifi/fw/smem.c
index 409b2dd854ac..700fdab14209 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/smem.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/smem.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -71,6 +69,8 @@ static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt,
struct iwl_shared_mem_cfg *mem_cfg = (void *)pkt->data;
int i, lmac;
int lmac_num = le32_to_cpu(mem_cfg->lmac_num);
+ u8 api_ver = iwl_fw_lookup_notif_ver(fwrt->fw, SYSTEM_GROUP,
+ SHARED_MEM_CFG_CMD, 0);
if (WARN_ON(lmac_num > ARRAY_SIZE(mem_cfg->lmac_smem)))
return;
@@ -80,6 +80,12 @@ static void iwl_parse_shared_mem_22000(struct iwl_fw_runtime *fwrt,
ARRAY_SIZE(mem_cfg->lmac_smem[0].txfifo_size);
fwrt->smem_cfg.rxfifo2_size = le32_to_cpu(mem_cfg->rxfifo2_size);
+ if (api_ver >= 4 &&
+ !WARN_ON_ONCE(iwl_rx_packet_payload_len(pkt) < sizeof(*mem_cfg))) {
+ fwrt->smem_cfg.rxfifo2_control_size =
+ le32_to_cpu(mem_cfg->rxfifo2_control_size);
+ }
+
for (lmac = 0; lmac < lmac_num; lmac++) {
struct iwl_shared_mem_lmac_cfg *lmac_cfg =
&mem_cfg->lmac_smem[lmac];
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
index d5d984d7ce83..244899f3f3bf 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
@@ -5,9 +5,8 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright (C) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -27,9 +26,8 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright (C) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -284,6 +282,13 @@ struct iwl_pwr_tx_backoff {
u32 backoff;
};
+enum iwl_cfg_trans_ltr_delay {
+ IWL_CFG_TRANS_LTR_DELAY_NONE = 0,
+ IWL_CFG_TRANS_LTR_DELAY_200US = 1,
+ IWL_CFG_TRANS_LTR_DELAY_2500US = 2,
+ IWL_CFG_TRANS_LTR_DELAY_1820US = 3,
+};
+
/**
* struct iwl_cfg_trans - information needed to start the trans
*
@@ -304,6 +309,7 @@ struct iwl_pwr_tx_backoff {
* @mq_rx_supported: multi-queue rx support
* @integrated: discrete or integrated
* @low_latency_xtal: use the low latency xtal if supported
+ * @ltr_delay: LTR delay parameter, &enum iwl_cfg_trans_ltr_delay.
*/
struct iwl_cfg_trans_params {
const struct iwl_base_params *base_params;
@@ -317,7 +323,8 @@ struct iwl_cfg_trans_params {
mq_rx_supported:1,
integrated:1,
low_latency_xtal:1,
- bisr_workaround:1;
+ bisr_workaround:1,
+ ltr_delay:2;
};
/**
@@ -470,12 +477,16 @@ struct iwl_cfg {
#define IWL_CFG_RF_TYPE_TH1 0x108
#define IWL_CFG_RF_TYPE_JF2 0x105
#define IWL_CFG_RF_TYPE_JF1 0x108
+#define IWL_CFG_RF_TYPE_HR2 0x10A
+#define IWL_CFG_RF_TYPE_HR1 0x10C
#define IWL_CFG_RF_ID_TH 0x1
#define IWL_CFG_RF_ID_TH1 0x1
#define IWL_CFG_RF_ID_JF 0x3
#define IWL_CFG_RF_ID_JF1 0x6
#define IWL_CFG_RF_ID_JF1_DIV 0xA
+#define IWL_CFG_RF_ID_HR 0x7
+#define IWL_CFG_RF_ID_HR1 0x4
#define IWL_CFG_NO_160 0x0
#define IWL_CFG_160 0x1
@@ -506,9 +517,10 @@ struct iwl_dev_info {
extern const struct iwl_cfg_trans_params iwl9000_trans_cfg;
extern const struct iwl_cfg_trans_params iwl9560_trans_cfg;
extern const struct iwl_cfg_trans_params iwl9560_shared_clk_trans_cfg;
+extern const struct iwl_cfg_trans_params iwl_qnj_trans_cfg;
extern const struct iwl_cfg_trans_params iwl_qu_trans_cfg;
+extern const struct iwl_cfg_trans_params iwl_qu_medium_latency_trans_cfg;
extern const struct iwl_cfg_trans_params iwl_qu_long_latency_trans_cfg;
-extern const struct iwl_cfg_trans_params iwl_qnj_trans_cfg;
extern const struct iwl_cfg_trans_params iwl_ax200_trans_cfg;
extern const char iwl9162_name[];
extern const char iwl9260_name[];
@@ -527,6 +539,8 @@ extern const char iwl9260_killer_1550_name[];
extern const char iwl9560_killer_1550i_name[];
extern const char iwl9560_killer_1550s_name[];
extern const char iwl_ax200_name[];
+extern const char iwl_ax201_name[];
+extern const char iwl_ax101_name[];
extern const char iwl_ax200_killer_1650w_name[];
extern const char iwl_ax200_killer_1650x_name[];
@@ -601,9 +615,9 @@ extern const struct iwl_cfg iwl9560_qu_c0_jf_b0_cfg;
extern const struct iwl_cfg iwl9560_quz_a0_jf_b0_cfg;
extern const struct iwl_cfg iwl9560_qnj_b0_jf_b0_cfg;
extern const struct iwl_cfg iwl9560_2ac_cfg_soc;
-extern const struct iwl_cfg iwl_ax101_cfg_qu_hr;
-extern const struct iwl_cfg iwl_ax101_cfg_qu_c0_hr_b0;
-extern const struct iwl_cfg iwl_ax101_cfg_quz_hr;
+extern const struct iwl_cfg iwl_qu_b0_hr1_b0;
+extern const struct iwl_cfg iwl_qu_c0_hr1_b0;
+extern const struct iwl_cfg iwl_quz_a0_hr1_b0;
extern const struct iwl_cfg iwl_ax200_cfg_cc;
extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;
extern const struct iwl_cfg iwl_ax201_cfg_qu_hr;
@@ -617,14 +631,16 @@ extern const struct iwl_cfg killer1650s_2ax_cfg_qu_c0_hr_b0;
extern const struct iwl_cfg killer1650i_2ax_cfg_qu_c0_hr_b0;
extern const struct iwl_cfg killer1650x_2ax_cfg;
extern const struct iwl_cfg killer1650w_2ax_cfg;
-extern const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_b0_f0;
-extern const struct iwl_cfg iwl22000_2ax_cfg_qnj_hr_b0;
+extern const struct iwl_cfg iwl_qnj_b0_hr_b0_cfg;
extern const struct iwl_cfg iwlax210_2ax_cfg_so_jf_a0;
extern const struct iwl_cfg iwlax210_2ax_cfg_so_hr_a0;
extern const struct iwl_cfg iwlax211_2ax_cfg_so_gf_a0;
+extern const struct iwl_cfg iwlax211_2ax_cfg_so_gf_a0_long;
extern const struct iwl_cfg iwlax210_2ax_cfg_ty_gf_a0;
extern const struct iwl_cfg iwlax411_2ax_cfg_so_gf4_a0;
+extern const struct iwl_cfg iwlax411_2ax_cfg_so_gf4_a0_long;
extern const struct iwl_cfg iwlax411_2ax_cfg_sosnj_gf4_a0;
+extern const struct iwl_cfg iwlax211_cfg_snj_gf_a0;
#endif /* CPTCFG_IWLMVM || CPTCFG_IWLFMAC */
#endif /* __IWL_CONFIG_H__ */
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h b/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h
index ebea99189ca9..9d7a04833cd0 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-context-info-gen3.h
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018, 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -18,7 +18,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018, 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -93,6 +93,11 @@ enum iwl_prph_scratch_mtr_format {
* @IWL_PRPH_SCRATCH_MTR_FORMAT: a mask for the size of the tfd.
* There are 4 optional values: 0: 16 bit, 1: 32 bit, 2: 64 bit,
* 3: 256 bit.
+ * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK: RB size full information, ignored
+ * by older firmware versions, so set IWL_PRPH_SCRATCH_RB_SIZE_4K
+ * appropriately; use the below values for this.
+ * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K: 8kB RB size
+ * @IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K: 12kB RB size
*/
enum iwl_prph_scratch_flags {
IWL_PRPH_SCRATCH_EARLY_DEBUG_EN = BIT(4),
@@ -103,6 +108,9 @@ enum iwl_prph_scratch_flags {
IWL_PRPH_SCRATCH_RB_SIZE_4K = BIT(16),
IWL_PRPH_SCRATCH_MTR_MODE = BIT(17),
IWL_PRPH_SCRATCH_MTR_FORMAT = BIT(18) | BIT(19),
+ IWL_PRPH_SCRATCH_RB_SIZE_EXT_MASK = 0xf << 20,
+ IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K = 8 << 20,
+ IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K = 9 << 20,
};
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index bf2f00b89214..7987a288917b 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,7 +28,7 @@
*
* BSD LICENSE
*
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -165,28 +165,36 @@ static int iwl_dbg_tlv_alloc_buf_alloc(struct iwl_trans *trans,
struct iwl_ucode_tlv *tlv)
{
struct iwl_fw_ini_allocation_tlv *alloc = (void *)tlv->data;
- u32 buf_location = le32_to_cpu(alloc->buf_location);
- u32 alloc_id = le32_to_cpu(alloc->alloc_id);
+ u32 buf_location;
+ u32 alloc_id;
- if (le32_to_cpu(tlv->length) != sizeof(*alloc) ||
- (buf_location != IWL_FW_INI_LOCATION_SRAM_PATH &&
- buf_location != IWL_FW_INI_LOCATION_DRAM_PATH))
+ if (le32_to_cpu(tlv->length) != sizeof(*alloc))
return -EINVAL;
- if ((buf_location == IWL_FW_INI_LOCATION_SRAM_PATH &&
- alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1) ||
- (buf_location == IWL_FW_INI_LOCATION_DRAM_PATH &&
- (alloc_id == IWL_FW_INI_ALLOCATION_INVALID ||
- alloc_id >= IWL_FW_INI_ALLOCATION_NUM))) {
- IWL_ERR(trans,
- "WRT: Invalid allocation id %u for allocation TLV\n",
- alloc_id);
- return -EINVAL;
- }
+ buf_location = le32_to_cpu(alloc->buf_location);
+ alloc_id = le32_to_cpu(alloc->alloc_id);
+
+ if (buf_location == IWL_FW_INI_LOCATION_INVALID ||
+ buf_location >= IWL_FW_INI_LOCATION_NUM)
+ goto err;
+
+ if (alloc_id == IWL_FW_INI_ALLOCATION_INVALID ||
+ alloc_id >= IWL_FW_INI_ALLOCATION_NUM)
+ goto err;
+
+ if ((buf_location == IWL_FW_INI_LOCATION_SRAM_PATH ||
+ buf_location == IWL_FW_INI_LOCATION_NPK_PATH) &&
+ alloc_id != IWL_FW_INI_ALLOCATION_ID_DBGC1)
+ goto err;
trans->dbg.fw_mon_cfg[alloc_id] = *alloc;
return 0;
+err:
+ IWL_ERR(trans,
+ "WRT: Invalid allocation id %u and/or location id %u for allocation TLV\n",
+ alloc_id, buf_location);
+ return -EINVAL;
}
static int iwl_dbg_tlv_alloc_hcmd(struct iwl_trans *trans,
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index ff52e69c1c80..04f14bfdd091 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2007 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -87,7 +85,7 @@
#define DRV_DESCRIPTION "Intel(R) Wireless WiFi driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
+MODULE_AUTHOR(DRV_AUTHOR);
MODULE_LICENSE("GPL");
#ifdef CONFIG_IWLWIFI_DEBUGFS
@@ -1467,7 +1465,7 @@ static void iwl_req_fw_callback(const struct firmware *ucode_raw, void *context)
kmemdup(pieces->dbg_conf_tlv[i],
pieces->dbg_conf_tlv_len[i],
GFP_KERNEL);
- if (!pieces->dbg_conf_tlv[i])
+ if (!drv->fw.dbg.conf_tlv[i])
goto out_free_fw;
}
}
@@ -1776,7 +1774,6 @@ static int __init iwl_drv_init(void)
INIT_LIST_HEAD(&iwlwifi_opmode_table[i].drv);
pr_info(DRV_DESCRIPTION "\n");
- pr_info(DRV_COPYRIGHT "\n");
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* Create the root of iwlwifi debugfs subsystem. */
@@ -1824,11 +1821,6 @@ MODULE_PARM_DESC(amsdu_size,
module_param_named(fw_restart, iwlwifi_mod_params.fw_restart, bool, 0444);
MODULE_PARM_DESC(fw_restart, "restart firmware in case of error (default true)");
-module_param_named(antenna_coupling, iwlwifi_mod_params.antenna_coupling,
- int, 0444);
-MODULE_PARM_DESC(antenna_coupling,
- "specify antenna coupling in dB (default: 0 dB)");
-
module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
MODULE_PARM_DESC(nvm_file, "NVM file name");
@@ -1872,10 +1864,6 @@ module_param_named(power_level, iwlwifi_mod_params.power_level, int, 0444);
MODULE_PARM_DESC(power_level,
"default power save level (range from 1 - 5, default: 1)");
-module_param_named(fw_monitor, iwlwifi_mod_params.fw_monitor, bool, 0444);
-MODULE_PARM_DESC(fw_monitor,
- "firmware monitor - to debug FW (default: false - needs lots of memory)");
-
module_param_named(disable_11ac, iwlwifi_mod_params.disable_11ac, bool, 0444);
MODULE_PARM_DESC(disable_11ac, "Disable VHT capabilities (default: false)");
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h
index 2be30af7bdc3..8938a6467996 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.h
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2008 - 2014, 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
@@ -26,7 +26,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2014, 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* All rights reserved.
*
@@ -63,8 +63,7 @@
/* for all modules */
#define DRV_NAME "iwlwifi"
-#define DRV_COPYRIGHT "Copyright(c) 2003- 2015 Intel Corporation"
-#define DRV_AUTHOR "<linuxwifi@intel.com>"
+#define DRV_AUTHOR "Intel Corporation <linuxwifi@intel.com>"
/* radio config bits (actual values from NVM definition) */
#define NVM_RF_CFG_DASH_MSK(x) (x & 0x3) /* bits 0-1 */
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h
index bf673ce5f183..e77d8d13cb51 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-fh.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-fh.h
@@ -7,7 +7,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -29,7 +29,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -646,8 +646,7 @@ struct iwl_rb_status {
#define TFD_QUEUE_CB_SIZE(x) (ilog2(x) - 3)
#define TFD_QUEUE_SIZE_BC_DUP (64)
#define TFD_QUEUE_BC_SIZE (TFD_QUEUE_SIZE_MAX + TFD_QUEUE_SIZE_BC_DUP)
-#define TFD_QUEUE_BC_SIZE_GEN3 (TFD_QUEUE_SIZE_MAX_GEN3 + \
- TFD_QUEUE_SIZE_BC_DUP)
+#define TFD_QUEUE_BC_SIZE_GEN3 1024
#define IWL_TX_DMA_MASK DMA_BIT_MASK(36)
#define IWL_NUM_OF_TBS 20
#define IWL_TFH_NUM_TBS 25
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
index 82e5cac23d8d..e8ce3a300857 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
@@ -5,8 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -26,8 +25,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -111,11 +109,9 @@ enum iwl_uapsd_disable {
* @power_save: enable power save, default = false
* @power_level: power level, default = 1
* @debug_level: levels are IWL_DL_*
- * @antenna_coupling: antenna coupling in dB, default = 0
* @nvm_file: specifies a external NVM file
* @uapsd_disable: disable U-APSD, see &enum iwl_uapsd_disable, default =
* IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT
- * @fw_monitor: allow to use firmware monitor
* @disable_11ac: disable VHT capabilities, default = false.
* @remove_when_gone: remove an inaccessible device from the PCIe bus.
* @enable_ini: enable new FW debug infratructure (INI TLVs)
@@ -132,10 +128,8 @@ struct iwl_mod_params {
#ifdef CONFIG_IWLWIFI_DEBUG
u32 debug_level;
#endif
- int antenna_coupling;
char *nvm_file;
u32 uapsd_disable;
- bool fw_monitor;
bool disable_11ac;
/**
* @disable_11ax: disable HE capabilities, default = false
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 9e9810d2b262..ee410417761d 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -240,6 +240,7 @@ enum iwl_nvm_channel_flags {
* @REG_CAPA_40MHZ_FORBIDDEN: 11n channel with a width of 40Mhz is forbidden
* for this regulatory domain (valid only in 5Ghz).
* @REG_CAPA_DC_HIGH_ENABLED: DC HIGH allowed.
+ * @REG_CAPA_11AX_DISABLED: 11ax is forbidden for this regulatory domain.
*/
enum iwl_reg_capa_flags {
REG_CAPA_BF_CCD_LOW_BAND = BIT(0),
@@ -250,6 +251,7 @@ enum iwl_reg_capa_flags {
REG_CAPA_MCS_9_ALLOWED = BIT(5),
REG_CAPA_40MHZ_FORBIDDEN = BIT(7),
REG_CAPA_DC_HIGH_ENABLED = BIT(9),
+ REG_CAPA_11AX_DISABLED = BIT(10),
};
static inline void iwl_nvm_print_channel_flags(struct device *dev, u32 level,
@@ -532,8 +534,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = {
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
.mac_cap_info[2] =
- IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP |
- IEEE80211_HE_MAC_CAP2_ACK_EN,
+ IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP,
.mac_cap_info[3] =
IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
@@ -617,8 +618,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = {
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
.mac_cap_info[2] =
- IEEE80211_HE_MAC_CAP2_BSR |
- IEEE80211_HE_MAC_CAP2_ACK_EN,
+ IEEE80211_HE_MAC_CAP2_BSR,
.mac_cap_info[3] =
IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2,
@@ -1117,6 +1117,9 @@ static u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan,
flags |= NL80211_RRF_NO_160MHZ;
}
+ if (cap_flags & REG_CAPA_11AX_DISABLED)
+ flags |= NL80211_RRF_NO_HE;
+
return flags;
}
@@ -1168,8 +1171,7 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
for (ch_idx = 0; ch_idx < num_of_ch; ch_idx++) {
ch_flags = (u16)__le32_to_cpup(channels + ch_idx);
- band = (ch_idx < NUM_2GHZ_CHANNELS) ?
- NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+ band = iwl_nl80211_band_from_channel_idx(ch_idx);
center_freq = ieee80211_channel_to_frequency(nvm_chan[ch_idx],
band);
new_rule = false;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
index 1136d9784f9d..8e254c0eda13 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
- * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
+ * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -326,6 +324,7 @@
#define RXF_SIZE_BYTE_CND_POS (7)
#define RXF_SIZE_BYTE_CNT_MSK (0x3ff << RXF_SIZE_BYTE_CND_POS)
#define RXF_DIFF_FROM_PREV (0x200)
+#define RXF2C_DIFF_FROM_PREV (0x4e00)
#define RXF_LD_FENCE_OFFSET_ADDR (0xa00c10)
#define RXF_FIFO_RD_FENCE_ADDR (0xa00c0c)
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index bba527b339b5..a301e2484cdb 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -795,6 +795,132 @@ struct iwl_trans_debug {
u32 domains_bitmap;
};
+struct iwl_dma_ptr {
+ dma_addr_t dma;
+ void *addr;
+ size_t size;
+};
+
+struct iwl_cmd_meta {
+ /* only for SYNC commands, iff the reply skb is wanted */
+ struct iwl_host_cmd *source;
+ u32 flags;
+ u32 tbs;
+};
+
+/*
+ * The FH will write back to the first TB only, so we need to copy some data
+ * into the buffer regardless of whether it should be mapped or not.
+ * This indicates how big the first TB must be to include the scratch buffer
+ * and the assigned PN.
+ * Since PN location is 8 bytes at offset 12, it's 20 now.
+ * If we make it bigger then allocations will be bigger and copy slower, so
+ * that's probably not useful.
+ */
+#define IWL_FIRST_TB_SIZE 20
+#define IWL_FIRST_TB_SIZE_ALIGN ALIGN(IWL_FIRST_TB_SIZE, 64)
+
+struct iwl_pcie_txq_entry {
+ void *cmd;
+ struct sk_buff *skb;
+ /* buffer to free after command completes */
+ const void *free_buf;
+ struct iwl_cmd_meta meta;
+};
+
+struct iwl_pcie_first_tb_buf {
+ u8 buf[IWL_FIRST_TB_SIZE_ALIGN];
+};
+
+/**
+ * struct iwl_txq - Tx Queue for DMA
+ * @q: generic Rx/Tx queue descriptor
+ * @tfds: transmit frame descriptors (DMA memory)
+ * @first_tb_bufs: start of command headers, including scratch buffers, for
+ * the writeback -- this is DMA memory and an array holding one buffer
+ * for each command on the queue
+ * @first_tb_dma: DMA address for the first_tb_bufs start
+ * @entries: transmit entries (driver state)
+ * @lock: queue lock
+ * @stuck_timer: timer that fires if queue gets stuck
+ * @trans: pointer back to transport (for timer)
+ * @need_update: indicates need to update read/write index
+ * @ampdu: true if this queue is an ampdu queue for an specific RA/TID
+ * @wd_timeout: queue watchdog timeout (jiffies) - per queue
+ * @frozen: tx stuck queue timer is frozen
+ * @frozen_expiry_remainder: remember how long until the timer fires
+ * @bc_tbl: byte count table of the queue (relevant only for gen2 transport)
+ * @write_ptr: 1-st empty entry (index) host_w
+ * @read_ptr: last used entry (index) host_r
+ * @dma_addr: physical addr for BD's
+ * @n_window: safe queue window
+ * @id: queue id
+ * @low_mark: low watermark, resume queue if free space more than this
+ * @high_mark: high watermark, stop queue if free space less than this
+ *
+ * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
+ * descriptors) and required locking structures.
+ *
+ * Note the difference between TFD_QUEUE_SIZE_MAX and n_window: the hardware
+ * always assumes 256 descriptors, so TFD_QUEUE_SIZE_MAX is always 256 (unless
+ * there might be HW changes in the future). For the normal TX
+ * queues, n_window, which is the size of the software queue data
+ * is also 256; however, for the command queue, n_window is only
+ * 32 since we don't need so many commands pending. Since the HW
+ * still uses 256 BDs for DMA though, TFD_QUEUE_SIZE_MAX stays 256.
+ * This means that we end up with the following:
+ * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
+ * SW entries: | 0 | ... | 31 |
+ * where N is a number between 0 and 7. This means that the SW
+ * data is a window overlayed over the HW queue.
+ */
+struct iwl_txq {
+ void *tfds;
+ struct iwl_pcie_first_tb_buf *first_tb_bufs;
+ dma_addr_t first_tb_dma;
+ struct iwl_pcie_txq_entry *entries;
+ /* lock for syncing changes on the queue */
+ spinlock_t lock;
+ unsigned long frozen_expiry_remainder;
+ struct timer_list stuck_timer;
+ struct iwl_trans *trans;
+ bool need_update;
+ bool frozen;
+ bool ampdu;
+ int block;
+ unsigned long wd_timeout;
+ struct sk_buff_head overflow_q;
+ struct iwl_dma_ptr bc_tbl;
+
+ int write_ptr;
+ int read_ptr;
+ dma_addr_t dma_addr;
+ int n_window;
+ u32 id;
+ int low_mark;
+ int high_mark;
+
+ bool overflow_tx;
+};
+
+/**
+ * struct iwl_trans_txqs - transport tx queues data
+ *
+ * @queue_used - bit mask of used queues
+ * @queue_stopped - bit mask of stopped queues
+ */
+struct iwl_trans_txqs {
+ unsigned long queue_used[BITS_TO_LONGS(IWL_MAX_TVQM_QUEUES)];
+ unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_TVQM_QUEUES)];
+ struct iwl_txq *txq[IWL_MAX_TVQM_QUEUES];
+ struct {
+ u8 fifo;
+ u8 q_id;
+ unsigned int wdg_timeout;
+ } cmd;
+
+};
+
/**
* struct iwl_trans - transport common data
*
@@ -828,6 +954,7 @@ struct iwl_trans_debug {
* @system_pm_mode: the system-wide power management mode in use.
* This mode is set dynamically, depending on the WoWLAN values
* configured from the userspace at runtime.
+ * @iwl_trans_txqs: transport tx queues data.
*/
struct iwl_trans {
const struct iwl_trans_ops *ops;
@@ -875,6 +1002,7 @@ struct iwl_trans {
enum iwl_plat_pm_mode system_pm_mode;
const char *name;
+ struct iwl_trans_txqs txqs;
/* pointer to trans specific struct */
/*Ensure that this pointer will always be aligned to sizeof pointer */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
index 3d2abbc5c76c..5ae22cd7ecdb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/coex.c
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
*
* This program is free software; you can redistribute it and/or modify
@@ -26,7 +26,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
*
@@ -216,8 +216,7 @@ int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm)
goto send_cmd;
}
- mode = iwlwifi_mod_params.bt_coex_active ? BT_COEX_NW : BT_COEX_DISABLE;
- bt_cmd.mode = cpu_to_le32(mode);
+ bt_cmd.mode = cpu_to_le32(BT_COEX_NW);
if (IWL_MVM_BT_COEX_SYNC2SCO)
bt_cmd.enabled_modules |=
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
index 58df25e2fb32..b0268f44b2ea 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
@@ -155,5 +155,9 @@
#define IWL_MVM_USE_TWT false
#define IWL_MVM_AMPDU_CONSEC_DROPS_DELBA 10
#define IWL_MVM_USE_NSSN_SYNC 0
+#define IWL_MVM_PHY_FILTER_CHAIN_A 0
+#define IWL_MVM_PHY_FILTER_CHAIN_B 0
+#define IWL_MVM_PHY_FILTER_CHAIN_C 0
+#define IWL_MVM_PHY_FILTER_CHAIN_D 0
#endif /* __MVM_CONSTANTS_H */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 122ca7624073..2a94545d737f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -80,9 +78,6 @@ void iwl_mvm_set_rekey_data(struct ieee80211_hw *hw,
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
- if (iwlwifi_mod_params.swcrypto)
- return;
-
mutex_lock(&mvm->mutex);
memcpy(mvmvif->rekey_data.kek, data->kek, NL80211_KEK_LEN);
@@ -843,18 +838,16 @@ iwl_mvm_wowlan_config(struct iwl_mvm *mvm,
return ret;
}
- if (!iwlwifi_mod_params.swcrypto) {
- /*
- * This needs to be unlocked due to lock ordering
- * constraints. Since we're in the suspend path
- * that isn't really a problem though.
- */
- mutex_unlock(&mvm->mutex);
- ret = iwl_mvm_wowlan_config_key_params(mvm, vif, CMD_ASYNC);
- mutex_lock(&mvm->mutex);
- if (ret)
- return ret;
- }
+ /*
+ * This needs to be unlocked due to lock ordering
+ * constraints. Since we're in the suspend path
+ * that isn't really a problem though.
+ */
+ mutex_unlock(&mvm->mutex);
+ ret = iwl_mvm_wowlan_config_key_params(mvm, vif, CMD_ASYNC);
+ mutex_lock(&mvm->mutex);
+ if (ret)
+ return ret;
ret = iwl_mvm_send_cmd_pdu(mvm, WOWLAN_CONFIGURATION, 0,
sizeof(*wowlan_config_cmd),
@@ -1517,12 +1510,14 @@ out:
struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
{
- struct iwl_wowlan_status *v7, *status;
+ struct iwl_wowlan_status_v7 *v7;
+ struct iwl_wowlan_status *status;
struct iwl_host_cmd cmd = {
.id = WOWLAN_GET_STATUSES,
.flags = CMD_WANT_SKB,
};
- int ret, len, status_size;
+ int ret, len, status_size, data_size;
+ u8 notif_ver;
lockdep_assert_held(&mvm->mutex);
@@ -1532,13 +1527,12 @@ struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
return ERR_PTR(ret);
}
+ len = iwl_rx_packet_payload_len(cmd.resp_pkt);
if (!fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL)) {
struct iwl_wowlan_status_v6 *v6 = (void *)cmd.resp_pkt->data;
- int data_size;
status_size = sizeof(*v6);
- len = iwl_rx_packet_payload_len(cmd.resp_pkt);
if (len < status_size) {
IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
@@ -1593,23 +1587,33 @@ struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
}
v7 = (void *)cmd.resp_pkt->data;
- status_size = sizeof(*v7);
- len = iwl_rx_packet_payload_len(cmd.resp_pkt);
+ notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
+ WOWLAN_GET_STATUSES, 0);
+
+ status_size = sizeof(*status);
+
+ if (notif_ver == IWL_FW_CMD_VER_UNKNOWN || notif_ver < 9)
+ status_size = sizeof(*v7);
if (len < status_size) {
IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
status = ERR_PTR(-EIO);
goto out_free_resp;
}
+ data_size = ALIGN(le32_to_cpu(v7->wake_packet_bufsize), 4);
- if (len != (status_size +
- ALIGN(le32_to_cpu(v7->wake_packet_bufsize), 4))) {
+ if (len != (status_size + data_size)) {
IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
status = ERR_PTR(-EIO);
goto out_free_resp;
}
- status = kmemdup(v7, len, GFP_KERNEL);
+ status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL);
+ if (!status)
+ goto out_free_resp;
+
+ memcpy(status, v7, status_size);
+ memcpy(status->wake_packet, (u8 *)v7 + status_size, data_size);
out_free_resp:
iwl_free_resp(&cmd);
@@ -1982,6 +1986,9 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test)
goto err;
}
+ iwl_dbg_tlv_time_point(&mvm->fwrt, IWL_FW_INI_TIME_POINT_HOST_D3_END,
+ NULL);
+
ret = iwl_trans_d3_resume(mvm->trans, &d3_status, test, !unified_image);
if (ret)
goto err;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
index 3beef8d077b8..8fae7e707374 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -481,6 +479,11 @@ static ssize_t iwl_dbgfs_amsdu_len_write(struct ieee80211_sta *sta,
if (kstrtou16(buf, 0, &amsdu_len))
return -EINVAL;
+ /* only change from debug set <-> debug unset */
+ if ((amsdu_len && mvmsta->orig_amsdu_len) ||
+ (!!amsdu_len && mvmsta->orig_amsdu_len))
+ return -EBUSY;
+
if (amsdu_len) {
mvmsta->orig_amsdu_len = sta->max_amsdu_len;
sta->max_amsdu_len = amsdu_len;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
index 9e21f5e5d364..5ca45915cf7c 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
@@ -164,9 +164,10 @@ static void iwl_mvm_ftm_cmd_v5(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
eth_broadcast_addr(cmd->range_req_bssid);
}
-static void iwl_mvm_ftm_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct iwl_tof_range_req_cmd *cmd,
- struct cfg80211_pmsr_request *req)
+static void iwl_mvm_ftm_cmd_common(struct iwl_mvm *mvm,
+ struct ieee80211_vif *vif,
+ struct iwl_tof_range_req_cmd *cmd,
+ struct cfg80211_pmsr_request *req)
{
int i;
@@ -210,6 +211,13 @@ static void iwl_mvm_ftm_cmd(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
cmd->tsf_mac_id = cpu_to_le32(0xff);
}
+static void iwl_mvm_ftm_cmd_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct iwl_tof_range_req_cmd_v8 *cmd,
+ struct cfg80211_pmsr_request *req)
+{
+ iwl_mvm_ftm_cmd_common(mvm, vif, (void *)cmd, req);
+}
+
static int
iwl_mvm_ftm_target_chandef_v1(struct iwl_mvm *mvm,
struct cfg80211_pmsr_request_peer *peer,
@@ -382,9 +390,10 @@ iwl_mvm_ftm_put_target_v3(struct iwl_mvm *mvm,
return 0;
}
-static int iwl_mvm_ftm_put_target_v4(struct iwl_mvm *mvm,
- struct cfg80211_pmsr_request_peer *peer,
- struct iwl_tof_range_req_ap_entry *target)
+static int
+iwl_mvm_ftm_put_target_v4(struct iwl_mvm *mvm,
+ struct cfg80211_pmsr_request_peer *peer,
+ struct iwl_tof_range_req_ap_entry_v4 *target)
{
int ret;
@@ -394,11 +403,43 @@ static int iwl_mvm_ftm_put_target_v4(struct iwl_mvm *mvm,
if (ret)
return ret;
- iwl_mvm_ftm_put_target_common(mvm, peer, target);
+ iwl_mvm_ftm_put_target_common(mvm, peer, (void *)target);
return 0;
}
+static int
+iwl_mvm_ftm_put_target(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request_peer *peer,
+ struct iwl_tof_range_req_ap_entry *target)
+{
+ int ret;
+
+ ret = iwl_mvm_ftm_target_chandef_v2(mvm, peer, &target->channel_num,
+ &target->format_bw,
+ &target->ctrl_ch_position);
+ if (ret)
+ return ret;
+
+ iwl_mvm_ftm_put_target_common(mvm, peer, (void *)target);
+
+ if (vif->bss_conf.assoc &&
+ !memcmp(peer->addr, vif->bss_conf.bssid, ETH_ALEN)) {
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+ target->sta_id = mvmvif->ap_sta_id;
+ } else {
+ target->sta_id = IWL_MVM_INVALID_STA;
+ }
+
+ /*
+ * TODO: Beacon interval is currently unknown, so use the common value
+ * of 100 TUs.
+ */
+ target->beacon_interval = cpu_to_le16(100);
+ return 0;
+}
+
static int iwl_mvm_ftm_send_cmd(struct iwl_mvm *mvm, struct iwl_host_cmd *hcmd)
{
u32 status;
@@ -456,7 +497,7 @@ static int iwl_mvm_ftm_start_v7(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
* Versions 7 and 8 has the same structure except from the responders
* list, so iwl_mvm_ftm_cmd() can be used for version 7 too.
*/
- iwl_mvm_ftm_cmd(mvm, vif, (void *)&cmd_v7, req);
+ iwl_mvm_ftm_cmd_v8(mvm, vif, (void *)&cmd_v7, req);
for (i = 0; i < cmd_v7.num_of_ap; i++) {
struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
@@ -472,7 +513,7 @@ static int iwl_mvm_ftm_start_v7(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
static int iwl_mvm_ftm_start_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct cfg80211_pmsr_request *req)
{
- struct iwl_tof_range_req_cmd cmd;
+ struct iwl_tof_range_req_cmd_v8 cmd;
struct iwl_host_cmd hcmd = {
.id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0),
.dataflags[0] = IWL_HCMD_DFL_DUP,
@@ -482,7 +523,7 @@ static int iwl_mvm_ftm_start_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
u8 i;
int err;
- iwl_mvm_ftm_cmd(mvm, vif, &cmd, req);
+ iwl_mvm_ftm_cmd_v8(mvm, vif, (void *)&cmd, req);
for (i = 0; i < cmd.num_of_ap; i++) {
struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
@@ -495,6 +536,33 @@ static int iwl_mvm_ftm_start_v8(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
}
+static int iwl_mvm_ftm_start_v9(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
+ struct cfg80211_pmsr_request *req)
+{
+ struct iwl_tof_range_req_cmd cmd;
+ struct iwl_host_cmd hcmd = {
+ .id = iwl_cmd_id(TOF_RANGE_REQ_CMD, LOCATION_GROUP, 0),
+ .dataflags[0] = IWL_HCMD_DFL_DUP,
+ .data[0] = &cmd,
+ .len[0] = sizeof(cmd),
+ };
+ u8 i;
+ int err;
+
+ iwl_mvm_ftm_cmd_common(mvm, vif, &cmd, req);
+
+ for (i = 0; i < cmd.num_of_ap; i++) {
+ struct cfg80211_pmsr_request_peer *peer = &req->peers[i];
+ struct iwl_tof_range_req_ap_entry *target = &cmd.ap[i];
+
+ err = iwl_mvm_ftm_put_target(mvm, vif, peer, target);
+ if (err)
+ return err;
+ }
+
+ return iwl_mvm_ftm_send_cmd(mvm, &hcmd);
+}
+
int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct cfg80211_pmsr_request *req)
{
@@ -508,14 +576,21 @@ int iwl_mvm_ftm_start(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return -EBUSY;
if (new_api) {
- u8 cmd_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, LOCATION_GROUP,
- TOF_RANGE_REQ_CMD);
+ u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LOCATION_GROUP,
+ TOF_RANGE_REQ_CMD);
- if (cmd_ver == 8)
+ switch (cmd_ver) {
+ case 9:
+ case 10:
+ err = iwl_mvm_ftm_start_v9(mvm, vif, req);
+ break;
+ case 8:
err = iwl_mvm_ftm_start_v8(mvm, vif, req);
- else
+ break;
+ default:
err = iwl_mvm_ftm_start_v7(mvm, vif, req);
-
+ break;
+ }
} else {
err = iwl_mvm_ftm_start_v5(mvm, vif, req);
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
index 834564198409..0b6c32098b5a 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-responder.c
@@ -136,8 +136,8 @@ iwl_mvm_ftm_responder_cmd(struct iwl_mvm *mvm,
IWL_TOF_RESPONDER_CMD_VALID_STA_ID),
.sta_id = mvmvif->bcast_sta.sta_id,
};
- u8 cmd_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, LOCATION_GROUP,
- TOF_RESPONDER_CONFIG_CMD);
+ u8 cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, LOCATION_GROUP,
+ TOF_RESPONDER_CONFIG_CMD);
int err;
lockdep_assert_held(&mvm->mutex);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index a4038f289ab3..95a613537047 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -87,36 +87,6 @@ struct iwl_mvm_alive_data {
u32 scd_base_addr;
};
-/* set device type and latency */
-static int iwl_set_soc_latency(struct iwl_mvm *mvm)
-{
- struct iwl_soc_configuration_cmd cmd = {};
- int ret;
-
- /*
- * In VER_1 of this command, the discrete value is considered
- * an integer; In VER_2, it's a bitmask. Since we have only 2
- * values in VER_1, this is backwards-compatible with VER_2,
- * as long as we don't set any other bits.
- */
- if (!mvm->trans->trans_cfg->integrated)
- cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE);
-
- if (iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
- SCAN_REQ_UMAC) >= 2 &&
- (mvm->trans->trans_cfg->low_latency_xtal))
- cmd.flags |= cpu_to_le32(SOC_CONFIG_CMD_FLAGS_LOW_LATENCY);
-
- cmd.latency = cpu_to_le32(mvm->trans->trans_cfg->xtal_latency);
-
- ret = iwl_mvm_send_cmd_pdu(mvm, iwl_cmd_id(SOC_CONFIGURATION_CMD,
- SYSTEM_GROUP, 0), 0,
- sizeof(cmd), &cmd);
- if (ret)
- IWL_ERR(mvm, "Failed to set soc latency: %d\n", ret);
- return ret;
-}
-
static int iwl_send_tx_ant_cfg(struct iwl_mvm *mvm, u8 valid_tx_ant)
{
struct iwl_tx_ant_cfg_cmd tx_ant_cmd = {
@@ -550,10 +520,49 @@ error:
return ret;
}
+#ifdef CONFIG_ACPI
+static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
+ struct iwl_phy_specific_cfg *phy_filters)
+{
+ /*
+ * TODO: read specific phy config from BIOS
+ * ACPI table for this feature has not been defined yet,
+ * so for now we use hardcoded values.
+ */
+
+ if (IWL_MVM_PHY_FILTER_CHAIN_A) {
+ phy_filters->filter_cfg_chain_a =
+ cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_A);
+ }
+ if (IWL_MVM_PHY_FILTER_CHAIN_B) {
+ phy_filters->filter_cfg_chain_b =
+ cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_B);
+ }
+ if (IWL_MVM_PHY_FILTER_CHAIN_C) {
+ phy_filters->filter_cfg_chain_c =
+ cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_C);
+ }
+ if (IWL_MVM_PHY_FILTER_CHAIN_D) {
+ phy_filters->filter_cfg_chain_d =
+ cpu_to_le32(IWL_MVM_PHY_FILTER_CHAIN_D);
+ }
+}
+
+#else /* CONFIG_ACPI */
+
+static void iwl_mvm_phy_filter_init(struct iwl_mvm *mvm,
+ struct iwl_phy_specific_cfg *phy_filters)
+{
+}
+#endif /* CONFIG_ACPI */
+
static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
{
- struct iwl_phy_cfg_cmd phy_cfg_cmd;
+ struct iwl_phy_cfg_cmd_v3 phy_cfg_cmd;
enum iwl_ucode_type ucode_type = mvm->fwrt.cur_fw_img;
+ struct iwl_phy_specific_cfg phy_filters = {};
+ u8 cmd_ver;
+ size_t cmd_size;
if (iwl_mvm_has_unified_ucode(mvm) &&
!mvm->trans->cfg->tx_with_siso_diversity)
@@ -580,11 +589,20 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
phy_cfg_cmd.calib_control.flow_trigger =
mvm->fw->default_calib[ucode_type].flow_trigger;
+ cmd_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
+ PHY_CONFIGURATION_CMD);
+ if (cmd_ver == 3) {
+ iwl_mvm_phy_filter_init(mvm, &phy_filters);
+ memcpy(&phy_cfg_cmd.phy_specific_cfg, &phy_filters,
+ sizeof(struct iwl_phy_specific_cfg));
+ }
+
IWL_DEBUG_INFO(mvm, "Sending Phy CFG command: 0x%x\n",
phy_cfg_cmd.phy_cfg);
-
+ cmd_size = (cmd_ver == 3) ? sizeof(struct iwl_phy_cfg_cmd_v3) :
+ sizeof(struct iwl_phy_cfg_cmd_v1);
return iwl_mvm_send_cmd_pdu(mvm, PHY_CONFIGURATION_CMD, 0,
- sizeof(phy_cfg_cmd), &phy_cfg_cmd);
+ cmd_size, &phy_cfg_cmd);
}
int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
@@ -725,12 +743,12 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
union {
struct iwl_dev_tx_power_cmd v5;
struct iwl_dev_tx_power_cmd_v4 v4;
- } cmd;
-
+ } cmd = {
+ .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS),
+ };
+ int ret;
u16 len = 0;
- cmd.v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_CHAINS);
-
if (fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_REDUCE_TX_POWER))
len = sizeof(cmd.v5);
@@ -741,9 +759,14 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
len = sizeof(cmd.v4.v3);
- if (iwl_sar_select_profile(&mvm->fwrt, cmd.v5.v3.per_chain_restriction,
- prof_a, prof_b))
- return -ENOENT;
+ ret = iwl_sar_select_profile(&mvm->fwrt,
+ cmd.v5.v3.per_chain_restriction,
+ prof_a, prof_b);
+
+ /* return on error or if the profile is disabled (positive number) */
+ if (ret)
+ return ret;
+
IWL_DEBUG_RADIO(mvm, "Sending REDUCE_TX_POWER_CMD per chain\n");
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
@@ -931,6 +954,78 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
return iwl_mvm_ppag_send_cmd(mvm);
}
+static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
+{
+ int ret;
+ struct iwl_tas_config_cmd cmd = {};
+ int list_size;
+
+ BUILD_BUG_ON(ARRAY_SIZE(cmd.black_list_array) <
+ APCI_WTAS_BLACK_LIST_MAX);
+
+ if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TAS_CFG)) {
+ IWL_DEBUG_RADIO(mvm, "TAS not enabled in FW\n");
+ return;
+ }
+
+ ret = iwl_acpi_get_tas(&mvm->fwrt, cmd.black_list_array, &list_size);
+ if (ret < 0) {
+ IWL_DEBUG_RADIO(mvm,
+ "TAS table invalid or unavailable. (%d)\n",
+ ret);
+ return;
+ }
+
+ if (list_size < 0)
+ return;
+
+ /* list size if TAS enabled can only be non-negative */
+ cmd.black_list_size = cpu_to_le32((u32)list_size);
+
+ ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP,
+ TAS_CONFIG),
+ 0, sizeof(cmd), &cmd);
+ if (ret < 0)
+ IWL_DEBUG_RADIO(mvm, "failed to send TAS_CONFIG (%d)\n", ret);
+}
+
+static bool iwl_mvm_eval_dsm_indonesia_5g2(struct iwl_mvm *mvm)
+{
+ int ret = iwl_acpi_get_dsm_u8((&mvm->fwrt)->dev, 0,
+ DSM_FUNC_ENABLE_INDONESIA_5G2);
+
+ IWL_DEBUG_RADIO(mvm,
+ "Evaluated DSM function ENABLE_INDONESIA_5G2, ret=%d\n",
+ ret);
+
+ return ret == 1;
+}
+
+static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
+{
+ int ret;
+ struct iwl_lari_config_change_cmd cmd = {};
+
+ if (iwl_mvm_eval_dsm_indonesia_5g2(mvm))
+ cmd.config_bitmap |=
+ cpu_to_le32(LARI_CONFIG_ENABLE_5G2_IN_INDONESIA_MSK);
+
+ /* apply more config masks here */
+
+ if (cmd.config_bitmap) {
+ IWL_DEBUG_RADIO(mvm,
+ "sending LARI_CONFIG_CHANGE, config_bitmap=0x%x\n",
+ le32_to_cpu(cmd.config_bitmap));
+ ret = iwl_mvm_send_cmd_pdu(mvm,
+ WIDE_ID(REGULATORY_AND_NVM_GROUP,
+ LARI_CONFIG_CHANGE),
+ 0, sizeof(cmd), &cmd);
+ if (ret < 0)
+ IWL_DEBUG_RADIO(mvm,
+ "Failed to send LARI_CONFIG_CHANGE (%d)\n",
+ ret);
+ }
+}
#else /* CONFIG_ACPI */
inline int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm,
@@ -958,6 +1053,14 @@ static int iwl_mvm_ppag_init(struct iwl_mvm *mvm)
{
return 0;
}
+
+static void iwl_mvm_tas_init(struct iwl_mvm *mvm)
+{
+}
+
+static void iwl_mvm_lari_cfg(struct iwl_mvm *mvm)
+{
+}
#endif /* CONFIG_ACPI */
void iwl_mvm_send_recovery_cmd(struct iwl_mvm *mvm, u32 flags)
@@ -1034,16 +1137,7 @@ static int iwl_mvm_sar_init(struct iwl_mvm *mvm)
"EWRD SAR BIOS table invalid or unavailable. (%d)\n",
ret);
- ret = iwl_mvm_sar_select_profile(mvm, 1, 1);
- /*
- * If we don't have profile 0 from BIOS, just skip it. This
- * means that SAR Geo will not be enabled either, even if we
- * have other valid profiles.
- */
- if (ret == -ENOENT)
- return 1;
-
- return ret;
+ return iwl_mvm_sar_select_profile(mvm, 1, 1);
}
static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
@@ -1141,7 +1235,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_SOC_LATENCY_SUPPORT)) {
- ret = iwl_set_soc_latency(mvm);
+ ret = iwl_set_soc_latency(&mvm->fwrt);
if (ret)
goto error;
}
@@ -1241,6 +1335,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (ret)
goto error;
+ iwl_mvm_lari_cfg(mvm);
/*
* RTNL is not taken during Ct-kill, but we don't need to scan/Tx
* anyway, so don't init MCC.
@@ -1272,7 +1367,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
ret = iwl_mvm_sar_init(mvm);
if (ret == 0) {
ret = iwl_mvm_sar_geo_init(mvm);
- } else if (ret > 0 && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
+ } else if (ret == -ENOENT && !iwl_sar_get_wgds_table(&mvm->fwrt)) {
/*
* If basic SAR is not available, we check for WGDS,
* which should *not* be available either. If it is
@@ -1285,6 +1380,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
if (ret < 0)
goto error;
+ iwl_mvm_tas_init(mvm);
iwl_mvm_leds_sync(mvm);
IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 7aa1350b093e..77916231ff7d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -475,23 +475,23 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->wiphy->n_cipher_suites++;
}
- /* Enable 11w if software crypto is not enabled (as the
- * firmware will interpret some mgmt packets, so enabling it
- * with software crypto isn't safe).
- */
- if (!iwlwifi_mod_params.swcrypto) {
- ieee80211_hw_set(hw, MFP_CAPABLE);
+ if (iwlwifi_mod_params.swcrypto)
+ IWL_ERR(mvm,
+ "iwlmvm doesn't allow to disable HW crypto, check swcrypto module parameter\n");
+ if (!iwlwifi_mod_params.bt_coex_active)
+ IWL_ERR(mvm,
+ "iwlmvm doesn't allow to disable BT Coex, check bt_coex_active module parameter\n");
+
+ ieee80211_hw_set(hw, MFP_CAPABLE);
+ mvm->ciphers[hw->wiphy->n_cipher_suites] = WLAN_CIPHER_SUITE_AES_CMAC;
+ hw->wiphy->n_cipher_suites++;
+ if (iwl_mvm_has_new_rx_api(mvm)) {
mvm->ciphers[hw->wiphy->n_cipher_suites] =
- WLAN_CIPHER_SUITE_AES_CMAC;
+ WLAN_CIPHER_SUITE_BIP_GMAC_128;
+ hw->wiphy->n_cipher_suites++;
+ mvm->ciphers[hw->wiphy->n_cipher_suites] =
+ WLAN_CIPHER_SUITE_BIP_GMAC_256;
hw->wiphy->n_cipher_suites++;
- if (iwl_mvm_has_new_rx_api(mvm)) {
- mvm->ciphers[hw->wiphy->n_cipher_suites] =
- WLAN_CIPHER_SUITE_BIP_GMAC_128;
- hw->wiphy->n_cipher_suites++;
- mvm->ciphers[hw->wiphy->n_cipher_suites] =
- WLAN_CIPHER_SUITE_BIP_GMAC_256;
- hw->wiphy->n_cipher_suites++;
- }
}
/* currently FW API supports only one optional cipher scheme */
@@ -697,10 +697,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
WIPHY_WOWLAN_EAP_IDENTITY_REQ |
WIPHY_WOWLAN_RFKILL_RELEASE |
WIPHY_WOWLAN_NET_DETECT;
- if (!iwlwifi_mod_params.swcrypto)
- mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
- WIPHY_WOWLAN_GTK_REKEY_FAILURE |
- WIPHY_WOWLAN_4WAY_HANDSHAKE;
+ mvm->wowlan.flags |= WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
+ WIPHY_WOWLAN_GTK_REKEY_FAILURE |
+ WIPHY_WOWLAN_4WAY_HANDSHAKE;
mvm->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
mvm->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
@@ -1209,14 +1208,13 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
*/
flush_work(&mvm->roc_done_wk);
+ iwl_mvm_rm_aux_sta(mvm);
+
iwl_mvm_stop_device(mvm);
iwl_mvm_async_handlers_purge(mvm);
/* async_handlers_list is empty and will stay empty: HW is stopped */
- /* the fw is stopped, the aux sta is dead: clean up driver state */
- iwl_mvm_del_aux_sta(mvm);
-
/*
* Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
* hw (as restart_complete() won't be called in this case) and mac80211
@@ -1264,7 +1262,6 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
cancel_delayed_work_sync(&mvm->cs_tx_unblock_dwork);
cancel_delayed_work_sync(&mvm->scan_timeout_dwork);
- iwl_fw_free_dump_desc(&mvm->fwrt);
mutex_lock(&mvm->mutex);
__iwl_mvm_mac_stop(mvm);
@@ -2181,6 +2178,15 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
flags |= STA_CTXT_HE_PACKET_EXT;
}
}
+
+ if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
+ IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP)
+ flags |= STA_CTXT_HE_32BIT_BA_BITMAP;
+
+ if (sta->he_cap.he_cap_elem.mac_cap_info[2] &
+ IEEE80211_HE_MAC_CAP2_ACK_EN)
+ flags |= STA_CTXT_HE_ACK_ENABLED;
+
rcu_read_unlock();
/* Mark MU EDCA as enabled, unless none detected on some AC */
@@ -2205,11 +2211,6 @@ static void iwl_mvm_cfg_he_sta(struct iwl_mvm *mvm,
cpu_to_le16(mu_edca->mu_edca_timer);
}
- if (vif->bss_conf.multi_sta_back_32bit)
- flags |= STA_CTXT_HE_32BIT_BA_BITMAP;
-
- if (vif->bss_conf.ack_enabled)
- flags |= STA_CTXT_HE_ACK_ENABLED;
if (vif->bss_conf.uora_exists) {
flags |= STA_CTXT_HE_TRIG_RND_ALLOC;
@@ -3367,11 +3368,6 @@ static int __iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
int ret, i;
u8 key_offset;
- if (iwlwifi_mod_params.swcrypto) {
- IWL_DEBUG_MAC80211(mvm, "leave - hwcrypto disabled\n");
- return -EOPNOTSUPP;
- }
-
switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
if (!mvm->trans->trans_cfg->gen2) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index afcf2b98a9cb..e2f7f6ec711e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -134,12 +132,10 @@ extern const struct ieee80211_ops iwl_mvm_hw_ops;
* We will register to mac80211 to have testmode working. The NIC must not
* be up'ed after the INIT fw asserted. This is useful to be able to use
* proprietary tools over testmode to debug the INIT fw.
- * @tfd_q_hang_detect: enabled the detection of hung transmit queues
* @power_scheme: one of enum iwl_power_scheme
*/
struct iwl_mvm_mod_params {
bool init_dbg;
- bool tfd_q_hang_detect;
int power_scheme;
};
extern struct iwl_mvm_mod_params iwlmvm_mod_params;
@@ -2149,8 +2145,8 @@ iwl_mvm_set_chan_info_chandef(struct iwl_mvm *mvm,
static inline int iwl_umac_scan_get_max_profiles(const struct iwl_fw *fw)
{
- u8 ver = iwl_mvm_lookup_cmd_ver(fw, IWL_ALWAYS_LONG_GROUP,
- SCAN_OFFLOAD_UPDATE_PROFILES_CMD);
+ u8 ver = iwl_fw_lookup_cmd_ver(fw, IWL_ALWAYS_LONG_GROUP,
+ SCAN_OFFLOAD_UPDATE_PROFILES_CMD);
return (ver == IWL_FW_CMD_VER_UNKNOWN || ver < 3) ?
IWL_SCAN_MAX_PROFILES : IWL_SCAN_MAX_PROFILES_V2;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index dfe02440d474..d095ff847be9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -86,7 +84,7 @@
#define DRV_DESCRIPTION "The new Intel(R) wireless AGN driver for Linux"
MODULE_DESCRIPTION(DRV_DESCRIPTION);
-MODULE_AUTHOR(DRV_COPYRIGHT " " DRV_AUTHOR);
+MODULE_AUTHOR(DRV_AUTHOR);
MODULE_LICENSE("GPL");
static const struct iwl_op_mode_ops iwl_mvm_ops;
@@ -94,7 +92,6 @@ static const struct iwl_op_mode_ops iwl_mvm_ops_mq;
struct iwl_mvm_mod_params iwlmvm_mod_params = {
.power_scheme = IWL_POWER_SCHEME_BPS,
- .tfd_q_hang_detect = true
/* rest of fields are 0 by default */
};
@@ -104,10 +101,6 @@ MODULE_PARM_DESC(init_dbg,
module_param_named(power_scheme, iwlmvm_mod_params.power_scheme, int, 0444);
MODULE_PARM_DESC(power_scheme,
"power management scheme: 1-active, 2-balanced, 3-low power, default: 2");
-module_param_named(tfd_q_hang_detect, iwlmvm_mod_params.tfd_q_hang_detect,
- bool, 0444);
-MODULE_PARM_DESC(tfd_q_hang_detect,
- "TFD queues hang detection (default: true");
/*
* module init and exit functions
@@ -505,6 +498,7 @@ static const struct iwl_hcmd_names iwl_mvm_prot_offload_names[] = {
static const struct iwl_hcmd_names iwl_mvm_regulatory_and_nvm_names[] = {
HCMD_NAME(NVM_ACCESS_COMPLETE),
HCMD_NAME(NVM_GET_INFO),
+ HCMD_NAME(TAS_CONFIG),
};
static const struct iwl_hcmd_arr iwl_mvm_groups[] = {
@@ -612,27 +606,6 @@ static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = {
.d3_debug_enable = iwl_mvm_d3_debug_enable,
};
-static u8 iwl_mvm_lookup_notif_ver(struct iwl_mvm *mvm, u8 grp, u8 cmd, u8 def)
-{
- const struct iwl_fw_cmd_version *entry;
- unsigned int i;
-
- if (!mvm->fw->ucode_capa.cmd_versions ||
- !mvm->fw->ucode_capa.n_cmd_versions)
- return def;
-
- entry = mvm->fw->ucode_capa.cmd_versions;
- for (i = 0; i < mvm->fw->ucode_capa.n_cmd_versions; i++, entry++) {
- if (entry->group == grp && entry->cmd == cmd) {
- if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN)
- return def;
- return entry->notif_ver;
- }
- }
-
- return def;
-}
-
static struct iwl_op_mode *
iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
const struct iwl_fw *fw, struct dentry *dbgfs_dir)
@@ -745,7 +718,8 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork);
mvm->cmd_ver.d0i3_resp =
- iwl_mvm_lookup_notif_ver(mvm, LEGACY_GROUP, D0I3_END_CMD, 0);
+ iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, D0I3_END_CMD,
+ 0);
/* we only support version 1 */
if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1))
goto out_free;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
index 15d11fb72aca..6f4d241d47e9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c
@@ -369,14 +369,15 @@ void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm,
u16 size = le32_to_cpu(notif->amsdu_size);
int i;
- /*
- * In debug sta->max_amsdu_len < size
- * so also check with orig_amsdu_len which holds the original
- * data before debugfs changed the value
- */
- if (WARN_ON(sta->max_amsdu_len < size &&
- mvmsta->orig_amsdu_len < size))
+ if (sta->max_amsdu_len < size) {
+ /*
+ * In debug sta->max_amsdu_len < size
+ * so also check with orig_amsdu_len which holds the
+ * original data before debugfs changed the value
+ */
+ WARN_ON(mvmsta->orig_amsdu_len < size);
goto out;
+ }
mvmsta->amsdu_enabled = le32_to_cpu(notif->amsdu_enabled);
mvmsta->max_amsdu_len = size;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index c1aba2bf73cf..a7264b282d79 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1,10 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* Contact Information:
* Intel Linux Wireless <linuxwifi@intel.com>
@@ -1430,7 +1429,8 @@ static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta)
*/
if (ieee80211_get_vht_max_nss(&vht_cap,
IEEE80211_VHT_CHANWIDTH_160MHZ,
- 0, true) < sta->rx_nss)
+ 0, true,
+ sta->rx_nss) < sta->rx_nss)
return RATE_MCS_CHAN_WIDTH_80;
return RATE_MCS_CHAN_WIDTH_160;
case IEEE80211_STA_RX_BW_80:
@@ -3665,7 +3665,7 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
cpu_to_le16(iwl_mvm_coex_agg_time_limit(mvm, sta));
}
-static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rs_alloc(struct ieee80211_hw *hw)
{
return hw->priv;
}
@@ -3740,11 +3740,12 @@ int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate)
}
return scnprintf(buf, bufsz,
- "0x%x: %s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s",
+ "0x%x: %s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s%s",
rate, type, rs_pretty_ant(ant), bw, mcs, nss,
(rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
(rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
(rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
+ (rate & RATE_HE_DUAL_CARRIER_MODE_MSK) ? "DCM " : "",
(rate & RATE_MCS_BF_MSK) ? "BF " : "");
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 5ee33c8ae9d2..77b8def26edb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -566,6 +566,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
struct iwl_mvm_stat_data {
struct iwl_mvm *mvm;
+ __le32 flags;
__le32 mac_id;
u8 beacon_filter_average_energy;
void *general;
@@ -606,6 +607,13 @@ static void iwl_mvm_stat_iterator(void *_data, u8 *mac,
-general->beacon_average_energy[vif_id];
}
+ /* make sure that beacon statistics don't go backwards with TCM
+ * request to clear statistics
+ */
+ if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR)
+ mvmvif->beacon_stats.accu_num_beacons +=
+ mvmvif->beacon_stats.num_beacons;
+
if (mvmvif->id != id)
return;
@@ -763,6 +771,7 @@ void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm,
flags = stats->flag;
}
+ data.flags = flags;
iwl_mvm_rx_stats_check_trigger(mvm, pkt);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 7a6ad1ff7055..51a061b138ba 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -2051,40 +2051,6 @@ static int iwl_mvm_scan_umac_v12(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
return 0;
}
-static int iwl_mvm_scan_umac_v13(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
- struct iwl_mvm_scan_params *params, int type,
- int uid)
-{
- struct iwl_scan_req_umac_v13 *cmd = mvm->scan_cmd;
- struct iwl_scan_req_params_v13 *scan_p = &cmd->scan_params;
- int ret;
- u16 gen_flags;
- u32 bitmap_ssid = 0;
-
- mvm->scan_uid_status[uid] = type;
-
- cmd->ooc_priority = cpu_to_le32(iwl_mvm_scan_umac_ooc_priority(params));
- cmd->uid = cpu_to_le32(uid);
-
- gen_flags = iwl_mvm_scan_umac_flags_v2(mvm, params, vif, type);
- iwl_mvm_scan_umac_fill_general_p_v10(mvm, params, vif,
- &scan_p->general_params,
- gen_flags);
-
- ret = iwl_mvm_fill_scan_sched_params(params,
- scan_p->periodic_params.schedule,
- &scan_p->periodic_params.delay);
- if (ret)
- return ret;
-
- iwl_mvm_scan_umac_fill_probe_p_v4(params, &scan_p->probe_params,
- &bitmap_ssid);
- iwl_mvm_scan_umac_fill_ch_p_v4(mvm, params, vif,
- &scan_p->channel_params, bitmap_ssid);
-
- return 0;
-}
-
static int iwl_mvm_scan_umac_v14(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_mvm_scan_params *params, int type,
int uid)
@@ -2235,7 +2201,6 @@ struct iwl_scan_umac_handler {
static const struct iwl_scan_umac_handler iwl_scan_umac_handlers[] = {
/* set the newest version first to shorten the list traverse time */
IWL_SCAN_UMAC_HANDLER(14),
- IWL_SCAN_UMAC_HANDLER(13),
IWL_SCAN_UMAC_HANDLER(12),
};
@@ -2263,8 +2228,8 @@ static int iwl_mvm_build_scan_cmd(struct iwl_mvm *mvm,
hcmd->id = iwl_cmd_id(SCAN_REQ_UMAC, IWL_ALWAYS_LONG_GROUP, 0);
- scan_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
- SCAN_REQ_UMAC);
+ scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
+ SCAN_REQ_UMAC);
for (i = 0; i < ARRAY_SIZE(iwl_scan_umac_handlers); i++) {
const struct iwl_scan_umac_handler *ver_handler =
@@ -2594,7 +2559,6 @@ static int iwl_scan_req_umac_get_size(u8 scan_ver)
{
switch (scan_ver) {
IWL_SCAN_REQ_UMAC_HANDLE_SIZE(14);
- IWL_SCAN_REQ_UMAC_HANDLE_SIZE(13);
IWL_SCAN_REQ_UMAC_HANDLE_SIZE(12);
}
@@ -2604,8 +2568,8 @@ static int iwl_scan_req_umac_get_size(u8 scan_ver)
int iwl_mvm_scan_size(struct iwl_mvm *mvm)
{
int base_size, tail_size;
- u8 scan_ver = iwl_mvm_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
- SCAN_REQ_UMAC);
+ u8 scan_ver = iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP,
+ SCAN_REQ_UMAC);
base_size = iwl_scan_req_umac_get_size(scan_ver);
if (base_size)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 64ef3f3ba23b..fee01cbbd3ac 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2015, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2015 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2015, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -722,6 +720,11 @@ static int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id,
lockdep_assert_held(&mvm->mutex);
+ if (WARN(maxq >= mvm->trans->trans_cfg->base_params->num_of_queues,
+ "max queue %d >= num_of_queues (%d)", maxq,
+ mvm->trans->trans_cfg->base_params->num_of_queues))
+ maxq = mvm->trans->trans_cfg->base_params->num_of_queues - 1;
+
/* This should not be hit with new TX path */
if (WARN_ON(iwl_mvm_has_new_tx_api(mvm)))
return -ENOSPC;
@@ -746,16 +749,23 @@ static int iwl_mvm_tvqm_enable_txq(struct iwl_mvm *mvm,
size = max_t(u32, IWL_MGMT_QUEUE_SIZE,
mvm->trans->cfg->min_txq_size);
}
- queue = iwl_trans_txq_alloc(mvm->trans,
- cpu_to_le16(TX_QUEUE_CFG_ENABLE_QUEUE),
- sta_id, tid, SCD_QUEUE_CFG, size, timeout);
- if (queue < 0) {
- IWL_DEBUG_TX_QUEUES(mvm,
- "Failed allocating TXQ for sta %d tid %d, ret: %d\n",
- sta_id, tid, queue);
+ do {
+ __le16 enable = cpu_to_le16(TX_QUEUE_CFG_ENABLE_QUEUE);
+
+ queue = iwl_trans_txq_alloc(mvm->trans, enable,
+ sta_id, tid, SCD_QUEUE_CFG,
+ size, timeout);
+
+ if (queue < 0)
+ IWL_DEBUG_TX_QUEUES(mvm,
+ "Failed allocating TXQ of size %d for sta %d tid %d, ret: %d\n",
+ size, sta_id, tid, queue);
+ size /= 2;
+ } while (queue < 0 && size >= 16);
+
+ if (queue < 0)
return queue;
- }
IWL_DEBUG_TX_QUEUES(mvm, "Enabling TXQ #%d for sta %d tid %d\n",
queue, sta_id, tid);
@@ -1164,9 +1174,9 @@ static int iwl_mvm_inactivity_check(struct iwl_mvm *mvm, u8 alloc_for_sta)
inactive_tid_bitmap,
&unshare_queues,
&changetid_queues);
- if (ret >= 0 && free_queue < 0) {
+ if (ret && free_queue < 0) {
queue_owner = sta;
- free_queue = ret;
+ free_queue = i;
}
/* only unlock sta lock - we still need the queue info lock */
spin_unlock_bh(&mvmsta->lock);
@@ -1390,7 +1400,17 @@ void iwl_mvm_add_new_dqa_stream_wk(struct work_struct *wk)
if (tid == IEEE80211_NUM_TIDS)
tid = IWL_MAX_TID_COUNT;
- iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, tid);
+ /*
+ * We can't really do much here, but if this fails we can't
+ * transmit anyway - so just don't transmit the frame etc.
+ * and let them back up ... we've tried our best to allocate
+ * a queue in the function itself.
+ */
+ if (iwl_mvm_sta_alloc_queue(mvm, txq->sta, txq->ac, tid)) {
+ list_del_init(&mvmtxq->list);
+ continue;
+ }
+
list_del_init(&mvmtxq->list);
local_bh_disable();
iwl_mvm_mac_itxq_xmit(mvm->hw, txq);
@@ -1960,9 +1980,8 @@ void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta)
static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue,
u8 sta_id, u8 fifo)
{
- unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ?
- mvm->trans->trans_cfg->base_params->wd_timeout :
- IWL_WATCHDOG_DISABLED;
+ unsigned int wdg_timeout =
+ mvm->trans->trans_cfg->base_params->wd_timeout;
struct iwl_trans_txq_scd_cfg cfg = {
.fifo = fifo,
.sta_id = sta_id,
@@ -1978,9 +1997,8 @@ static void iwl_mvm_enable_aux_snif_queue(struct iwl_mvm *mvm, u16 queue,
static int iwl_mvm_enable_aux_snif_queue_tvqm(struct iwl_mvm *mvm, u8 sta_id)
{
- unsigned int wdg_timeout = iwlmvm_mod_params.tfd_q_hang_detect ?
- mvm->trans->trans_cfg->base_params->wd_timeout :
- IWL_WATCHDOG_DISABLED;
+ unsigned int wdg_timeout =
+ mvm->trans->trans_cfg->base_params->wd_timeout;
WARN_ON(!iwl_mvm_has_new_tx_api(mvm));
@@ -2075,16 +2093,24 @@ int iwl_mvm_rm_snif_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
return ret;
}
-void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm)
+int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm)
{
- iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta);
-}
+ int ret;
-void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm)
-{
lockdep_assert_held(&mvm->mutex);
+ iwl_mvm_disable_txq(mvm, NULL, mvm->aux_queue, IWL_MAX_TID_COUNT, 0);
+ ret = iwl_mvm_rm_sta_common(mvm, mvm->aux_sta.sta_id);
+ if (ret)
+ IWL_WARN(mvm, "Failed sending remove station\n");
iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
+
+ return ret;
+}
+
+void iwl_mvm_dealloc_snif_sta(struct iwl_mvm *mvm)
+{
+ iwl_mvm_dealloc_int_sta(mvm, &mvm->snif_sta);
}
/*
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
index 8d70093847cb..da2d1ac01229 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -541,7 +541,7 @@ int iwl_mvm_sta_tx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
int tid, u8 queue, bool start);
int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm);
-void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm);
+int iwl_mvm_rm_aux_sta(struct iwl_mvm *mvm);
int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index a8d0d17f79fd..2f6484e0d726 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -8,7 +8,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -920,11 +920,8 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
* No need to lock amsdu_in_ampdu_allowed since it can't be modified
* during an BA session.
*/
- if (info->flags & IEEE80211_TX_CTL_AMPDU &&
- !mvmsta->tid_data[tid].amsdu_in_ampdu_allowed)
- return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb);
-
- if (iwl_mvm_vif_low_latency(iwl_mvm_vif_from_mac80211(mvmsta->vif)) ||
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU &&
+ !mvmsta->tid_data[tid].amsdu_in_ampdu_allowed) ||
!(mvmsta->amsdu_enabled & BIT(tid)))
return iwl_mvm_tx_tso_segment(skb, 1, netdev_flags, mpdus_skb);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index 6096276cb0d0..be57b8391850 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012 - 2014, 2018 - 2020 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -588,6 +586,23 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u8 lmac_num)
IWL_ERR(mvm, "0x%08X | flow_handler\n", table.flow_handler);
}
+static void iwl_mvm_dump_iml_error_log(struct iwl_mvm *mvm)
+{
+ struct iwl_trans *trans = mvm->trans;
+ u32 error;
+
+ error = iwl_read_umac_prph(trans, UMAG_SB_CPU_2_STATUS);
+
+ IWL_ERR(trans, "IML/ROM dump:\n");
+
+ if (error & 0xFFFF0000)
+ IWL_ERR(trans, "IML/ROM SYSASSERT:\n");
+
+ IWL_ERR(mvm, "0x%08X | IML/ROM error/state\n", error);
+ IWL_ERR(mvm, "0x%08X | IML/ROM data1\n",
+ iwl_read_umac_prph(trans, UMAG_SB_CPU_1_STATUS));
+}
+
void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
{
if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) {
@@ -603,6 +618,9 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
iwl_mvm_dump_umac_error_log(mvm);
+ if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+ iwl_mvm_dump_iml_error_log(mvm);
+
iwl_fw_error_print_fseq_regs(&mvm->fwrt);
}
@@ -952,8 +970,7 @@ unsigned int iwl_mvm_get_wd_timeout(struct iwl_mvm *mvm,
IWL_UCODE_TLV_CAPA_STA_PM_NOTIF) &&
vif && vif->type == NL80211_IFTYPE_AP)
return IWL_WATCHDOG_DISABLED;
- return iwlmvm_mod_params.tfd_q_hang_detect ?
- default_timeout : IWL_WATCHDOG_DISABLED;
+ return default_timeout;
}
trigger = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TXQ_TIMERS);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
index 01f248ba8fec..1ab136600415 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c
@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -18,7 +18,7 @@
*
* BSD LICENSE
*
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -84,32 +84,35 @@ iwl_pcie_ctxt_info_dbg_enable(struct iwl_trans *trans,
fw_mon_cfg = &trans->dbg.fw_mon_cfg[alloc_id];
- if (le32_to_cpu(fw_mon_cfg->buf_location) ==
- IWL_FW_INI_LOCATION_SRAM_PATH) {
+ switch (le32_to_cpu(fw_mon_cfg->buf_location)) {
+ case IWL_FW_INI_LOCATION_SRAM_PATH:
dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL;
-
IWL_DEBUG_FW(trans,
- "WRT: Applying SMEM buffer destination\n");
-
- goto out;
- }
-
- if (le32_to_cpu(fw_mon_cfg->buf_location) ==
- IWL_FW_INI_LOCATION_DRAM_PATH &&
- trans->dbg.fw_mon_ini[alloc_id].num_frags) {
- struct iwl_dram_data *frag =
- &trans->dbg.fw_mon_ini[alloc_id].frags[0];
-
- dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
+ "WRT: Applying SMEM buffer destination\n");
+ break;
+ case IWL_FW_INI_LOCATION_NPK_PATH:
+ dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF;
IWL_DEBUG_FW(trans,
- "WRT: Applying DRAM destination (alloc_id=%u)\n",
- alloc_id);
+ "WRT: Applying NPK buffer destination\n");
+ break;
- dbg_cfg->hwm_base_addr = cpu_to_le64(frag->physical);
- dbg_cfg->hwm_size = cpu_to_le32(frag->size);
+ case IWL_FW_INI_LOCATION_DRAM_PATH:
+ if (trans->dbg.fw_mon_ini[alloc_id].num_frags) {
+ struct iwl_dram_data *frag =
+ &trans->dbg.fw_mon_ini[alloc_id].frags[0];
+ dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
+ dbg_cfg->hwm_base_addr = cpu_to_le64(frag->physical);
+ dbg_cfg->hwm_size = cpu_to_le32(frag->size);
+ IWL_DEBUG_FW(trans,
+ "WRT: Applying DRAM destination (alloc_id=%u, num_frags=%u)\n",
+ alloc_id,
+ trans->dbg.fw_mon_ini[alloc_id].num_frags);
+ }
+ break;
+ default:
+ IWL_ERR(trans, "WRT: Invalid buffer destination\n");
}
-
out:
if (dbg_flags)
*control_flags |= IWL_PRPH_SCRATCH_EARLY_DEBUG_EN | dbg_flags;
@@ -129,6 +132,26 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
int cmdq_size = max_t(u32, IWL_CMD_QUEUE_SIZE,
trans->cfg->min_txq_size);
+ switch (trans_pcie->rx_buf_size) {
+ case IWL_AMSDU_DEF:
+ return -EINVAL;
+ case IWL_AMSDU_2K:
+ break;
+ case IWL_AMSDU_4K:
+ control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K;
+ break;
+ case IWL_AMSDU_8K:
+ control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K;
+ /* if firmware supports the ext size, tell it */
+ control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K;
+ break;
+ case IWL_AMSDU_12K:
+ control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K;
+ /* if firmware supports the ext size, tell it */
+ control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K;
+ break;
+ }
+
/* Allocate prph scratch */
prph_scratch = dma_alloc_coherent(trans->dev, sizeof(*prph_scratch),
&trans_pcie->prph_scratch_dma_addr,
@@ -143,10 +166,8 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
prph_sc_ctrl->version.size = cpu_to_le16(sizeof(*prph_scratch) / 4);
- control_flags = IWL_PRPH_SCRATCH_RB_SIZE_4K |
- IWL_PRPH_SCRATCH_MTR_MODE |
- (IWL_PRPH_MTR_FORMAT_256B &
- IWL_PRPH_SCRATCH_MTR_FORMAT);
+ control_flags |= IWL_PRPH_SCRATCH_MTR_MODE;
+ control_flags |= IWL_PRPH_MTR_FORMAT_256B & IWL_PRPH_SCRATCH_MTR_FORMAT;
/* initialize RX default queue */
prph_sc_ctrl->rbd_cfg.free_rbd_addr =
@@ -200,7 +221,7 @@ int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
ctxt_info_gen3->tr_idx_arr_size =
cpu_to_le16(IWL_NUM_OF_TRANSFER_RINGS);
ctxt_info_gen3->mtr_base_addr =
- cpu_to_le64(trans_pcie->txq[trans_pcie->cmd_queue]->dma_addr);
+ cpu_to_le64(trans->txqs.txq[trans->txqs.cmd.q_id]->dma_addr);
ctxt_info_gen3->mcr_base_addr =
cpu_to_le64(trans_pcie->rxq->used_bd_dma);
ctxt_info_gen3->mtr_size =
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
index acd01d86f101..23abfbd096b0 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -20,7 +20,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -93,6 +93,21 @@ static void *iwl_pcie_ctxt_info_dma_alloc_coherent(struct iwl_trans *trans,
return _iwl_pcie_ctxt_info_dma_alloc_coherent(trans, size, phys, 0);
}
+static int iwl_pcie_ctxt_info_alloc_dma(struct iwl_trans *trans,
+ const struct fw_desc *sec,
+ struct iwl_dram_data *dram)
+{
+ dram->block = iwl_pcie_ctxt_info_dma_alloc_coherent(trans, sec->len,
+ &dram->physical);
+ if (!dram->block)
+ return -ENOMEM;
+
+ dram->size = sec->len;
+ memcpy(dram->block, sec->data, sec->len);
+
+ return 0;
+}
+
void iwl_pcie_ctxt_info_free_paging(struct iwl_trans *trans)
{
struct iwl_self_init_dram *dram = &trans->init_dram;
@@ -248,7 +263,7 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans,
/* initialize TX command queue */
ctxt_info->hcmd_cfg.cmd_queue_addr =
- cpu_to_le64(trans_pcie->txq[trans_pcie->cmd_queue]->dma_addr);
+ cpu_to_le64(trans->txqs.txq[trans->txqs.cmd.q_id]->dma_addr);
ctxt_info->hcmd_cfg.cmd_queue_size =
TFD_QUEUE_CB_SIZE(IWL_CMD_QUEUE_SIZE);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 6744c0281ffb..65d65c6baf4c 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016-2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2014, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,11 +27,10 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* All rights reserved.
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2005 - 2014, 2018 - 2020 Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -524,8 +522,10 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
/* Qu devices */
{IWL_PCI_DEVICE(0x02F0, PCI_ANY_ID, iwl_qu_trans_cfg)},
{IWL_PCI_DEVICE(0x06F0, PCI_ANY_ID, iwl_qu_trans_cfg)},
- {IWL_PCI_DEVICE(0x34F0, PCI_ANY_ID, iwl_qu_trans_cfg)},
- {IWL_PCI_DEVICE(0x3DF0, PCI_ANY_ID, iwl_qu_trans_cfg)},
+
+ {IWL_PCI_DEVICE(0x34F0, PCI_ANY_ID, iwl_qu_medium_latency_trans_cfg)},
+ {IWL_PCI_DEVICE(0x3DF0, PCI_ANY_ID, iwl_qu_medium_latency_trans_cfg)},
+ {IWL_PCI_DEVICE(0x4DF0, PCI_ANY_ID, iwl_qu_medium_latency_trans_cfg)},
{IWL_PCI_DEVICE(0x43F0, PCI_ANY_ID, iwl_qu_long_latency_trans_cfg)},
{IWL_PCI_DEVICE(0xA0F0, PCI_ANY_ID, iwl_qu_long_latency_trans_cfg)},
@@ -539,12 +539,17 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x2725, 0x0310, iwlax210_2ax_cfg_ty_gf_a0)},
{IWL_PCI_DEVICE(0x2725, 0x0510, iwlax210_2ax_cfg_ty_gf_a0)},
{IWL_PCI_DEVICE(0x2725, 0x0A10, iwlax210_2ax_cfg_ty_gf_a0)},
- {IWL_PCI_DEVICE(0x2725, 0x00B0, iwlax411_2ax_cfg_so_gf4_a0)},
- {IWL_PCI_DEVICE(0x7A70, 0x0090, iwlax211_2ax_cfg_so_gf_a0)},
- {IWL_PCI_DEVICE(0x7A70, 0x0310, iwlax211_2ax_cfg_so_gf_a0)},
- {IWL_PCI_DEVICE(0x7A70, 0x0510, iwlax211_2ax_cfg_so_gf_a0)},
- {IWL_PCI_DEVICE(0x7A70, 0x0A10, iwlax211_2ax_cfg_so_gf_a0)},
+ {IWL_PCI_DEVICE(0x2725, 0x00B0, iwlax411_2ax_cfg_sosnj_gf4_a0)},
+ {IWL_PCI_DEVICE(0x2726, 0x0090, iwlax211_cfg_snj_gf_a0)},
+ {IWL_PCI_DEVICE(0x2726, 0x00B0, iwlax411_2ax_cfg_sosnj_gf4_a0)},
+ {IWL_PCI_DEVICE(0x2726, 0x0510, iwlax211_cfg_snj_gf_a0)},
+ {IWL_PCI_DEVICE(0x7A70, 0x0090, iwlax211_2ax_cfg_so_gf_a0_long)},
+ {IWL_PCI_DEVICE(0x7A70, 0x00B0, iwlax411_2ax_cfg_so_gf4_a0_long)},
+ {IWL_PCI_DEVICE(0x7A70, 0x0310, iwlax211_2ax_cfg_so_gf_a0_long)},
+ {IWL_PCI_DEVICE(0x7A70, 0x0510, iwlax211_2ax_cfg_so_gf_a0_long)},
+ {IWL_PCI_DEVICE(0x7A70, 0x0A10, iwlax211_2ax_cfg_so_gf_a0_long)},
{IWL_PCI_DEVICE(0x7AF0, 0x0090, iwlax211_2ax_cfg_so_gf_a0)},
+ {IWL_PCI_DEVICE(0x7AF0, 0x00B0, iwlax411_2ax_cfg_so_gf4_a0)},
{IWL_PCI_DEVICE(0x7AF0, 0x0310, iwlax211_2ax_cfg_so_gf_a0)},
{IWL_PCI_DEVICE(0x7AF0, 0x0510, iwlax211_2ax_cfg_so_gf_a0)},
{IWL_PCI_DEVICE(0x7AF0, 0x0A10, iwlax211_2ax_cfg_so_gf_a0)},
@@ -585,94 +590,72 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
IWL_DEV_INFO(0x2723, 0x1654, iwl_ax200_cfg_cc, iwl_ax200_killer_1650x_name),
IWL_DEV_INFO(0x2723, IWL_CFG_ANY, iwl_ax200_cfg_cc, iwl_ax200_name),
-/* Qu with Hr */
- IWL_DEV_INFO(0x43F0, 0x0044, iwl_ax101_cfg_qu_hr, NULL),
+ /* QnJ with Hr */
+ IWL_DEV_INFO(0x2720, IWL_CFG_ANY, iwl_qnj_b0_hr_b0_cfg, iwl_ax201_name),
+
+ /* Qu with Hr */
IWL_DEV_INFO(0x43F0, 0x0070, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x43F0, 0x0074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x43F0, 0x0078, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x43F0, 0x007C, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x43F0, 0x0244, iwl_ax101_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x43F0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, NULL),
- IWL_DEV_INFO(0x43F0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0x43F0, 0x2074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x43F0, 0x4070, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x43F0, 0x4244, iwl_ax101_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0xA0F0, 0x0044, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x0070, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x0074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x0078, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x007C, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0xA0F0, 0x0244, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x0A10, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0xA0F0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0xA0F0, 0x2074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0xA0F0, 0x4070, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0xA0F0, 0x4244, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x0070, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x0074, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x0078, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x007C, iwl_ax201_cfg_quz_hr, NULL),
- IWL_DEV_INFO(0x02F0, 0x0244, iwl_ax101_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x0310, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x1651, iwl_ax1650s_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x1652, iwl_ax1650i_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x2074, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x02F0, 0x4070, iwl_ax201_cfg_quz_hr, NULL),
- IWL_DEV_INFO(0x02F0, 0x4244, iwl_ax101_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x0070, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x0074, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x0078, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x007C, iwl_ax201_cfg_quz_hr, NULL),
- IWL_DEV_INFO(0x06F0, 0x0244, iwl_ax101_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x0310, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x1651, iwl_ax1650s_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x1652, iwl_ax1650i_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x2074, iwl_ax201_cfg_quz_hr, NULL),
IWL_DEV_INFO(0x06F0, 0x4070, iwl_ax201_cfg_quz_hr, NULL),
- IWL_DEV_INFO(0x06F0, 0x4244, iwl_ax101_cfg_quz_hr, NULL),
- IWL_DEV_INFO(0x34F0, 0x0044, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x0070, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x0074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x0078, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x007C, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x34F0, 0x0244, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x0310, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0x34F0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0x34F0, 0x2074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x34F0, 0x4070, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x34F0, 0x4244, iwl_ax101_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x3DF0, 0x0044, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x0070, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x0074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x0078, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x007C, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x3DF0, 0x0244, iwl_ax101_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x0310, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0x3DF0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, NULL),
IWL_DEV_INFO(0x3DF0, 0x2074, iwl_ax201_cfg_qu_hr, NULL),
IWL_DEV_INFO(0x3DF0, 0x4070, iwl_ax201_cfg_qu_hr, NULL),
- IWL_DEV_INFO(0x3DF0, 0x4244, iwl_ax101_cfg_qu_hr, NULL),
-
- IWL_DEV_INFO(0x2720, 0x0000, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0040, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0044, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0070, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0074, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0078, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x007C, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0244, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0310, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x0A10, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x1080, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x1651, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x1652, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x2074, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x4070, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
- IWL_DEV_INFO(0x2720, 0x4244, iwl22000_2ax_cfg_qnj_hr_b0, NULL),
+
+ IWL_DEV_INFO(0x4DF0, 0x0070, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x0074, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x0078, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x007C, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x0310, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x1651, killer1650s_2ax_cfg_qu_b0_hr_b0, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x1652, killer1650i_2ax_cfg_qu_b0_hr_b0, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x2074, iwl_ax201_cfg_qu_hr, NULL),
+ IWL_DEV_INFO(0x4DF0, 0x4070, iwl_ax201_cfg_qu_hr, NULL),
_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
IWL_CFG_MAC_TYPE_PU, IWL_CFG_ANY,
@@ -771,7 +754,7 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
IWL_CFG_NO_160, IWL_CFG_CORES_BT,
iwl9260_2ac_cfg, iwl9260_name),
- /* Qu with Jf */
+/* Qu with Jf */
/* Qu B step */
_IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
IWL_CFG_MAC_TYPE_QU, SILICON_B_STEP,
@@ -947,6 +930,29 @@ static const struct iwl_dev_info iwl_dev_info_table[] = {
IWL_CFG_RF_TYPE_JF2, IWL_CFG_RF_ID_JF,
IWL_CFG_NO_160, IWL_CFG_CORES_BT,
iwl9560_qnj_b0_jf_b0_cfg, iwl9560_killer_1550i_name),
+
+/* Qu with Hr */
+ /* Qu B step */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_QU, SILICON_B_STEP,
+ IWL_CFG_RF_TYPE_HR1, IWL_CFG_ANY,
+ IWL_CFG_ANY, IWL_CFG_ANY,
+ iwl_qu_b0_hr1_b0, iwl_ax101_name),
+
+ /* Qu C step */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_QU, SILICON_C_STEP,
+ IWL_CFG_RF_TYPE_HR1, IWL_CFG_ANY,
+ IWL_CFG_ANY, IWL_CFG_ANY,
+ iwl_qu_c0_hr1_b0, iwl_ax101_name),
+
+ /* QuZ */
+ _IWL_DEV_INFO(IWL_CFG_ANY, IWL_CFG_ANY,
+ IWL_CFG_MAC_TYPE_QUZ, IWL_CFG_ANY,
+ IWL_CFG_RF_TYPE_HR1, IWL_CFG_ANY,
+ IWL_CFG_ANY, IWL_CFG_ANY,
+ iwl_quz_a0_hr1_b0, iwl_ax101_name),
+
#endif /* CONFIG_IWLMVM */
};
@@ -1044,29 +1050,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_GF4)) {
iwl_trans->cfg = &iwlax411_2ax_cfg_so_gf4_a0;
}
- } else if (cfg == &iwl_ax101_cfg_qu_hr) {
- if ((CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
- CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
- iwl_trans->hw_rev == CSR_HW_REV_TYPE_QNJ_B0) ||
- (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
- CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR1))) {
- iwl_trans->cfg = &iwl22000_2ax_cfg_qnj_hr_b0;
- } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
- CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR) &&
- iwl_trans->hw_rev == CSR_HW_REV_TYPE_QUZ) {
- iwl_trans->cfg = &iwl_ax101_cfg_quz_hr;
- } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
- CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HR)) {
- iwl_trans->cfg = &iwl_ax101_cfg_qu_hr;
- } else if (CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id) ==
- CSR_HW_RF_ID_TYPE_CHIP_ID(CSR_HW_RF_ID_TYPE_HRCDB)) {
- IWL_ERR(iwl_trans, "RF ID HRCDB is not supported\n");
- return -EINVAL;
- } else {
- IWL_ERR(iwl_trans, "Unrecognized RF ID 0x%08x\n",
- CSR_HW_RF_ID_TYPE_CHIP_ID(iwl_trans->hw_rf_id));
- return -EINVAL;
- }
}
/*
@@ -1076,9 +1059,7 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* rest must be removed once we convert Qu with Hr as well.
*/
if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QU_C0) {
- if (iwl_trans->cfg == &iwl_ax101_cfg_qu_hr)
- iwl_trans->cfg = &iwl_ax101_cfg_qu_c0_hr_b0;
- else if (iwl_trans->cfg == &iwl_ax201_cfg_qu_hr)
+ if (iwl_trans->cfg == &iwl_ax201_cfg_qu_hr)
iwl_trans->cfg = &iwl_ax201_cfg_qu_c0_hr_b0;
else if (iwl_trans->cfg == &killer1650s_2ax_cfg_qu_b0_hr_b0)
iwl_trans->cfg = &killer1650s_2ax_cfg_qu_c0_hr_b0;
@@ -1088,10 +1069,12 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* same thing for QuZ... */
if (iwl_trans->hw_rev == CSR_HW_REV_TYPE_QUZ) {
- if (iwl_trans->cfg == &iwl_ax101_cfg_qu_hr)
- iwl_trans->cfg = &iwl_ax101_cfg_quz_hr;
- else if (iwl_trans->cfg == &iwl_ax201_cfg_qu_hr)
+ if (iwl_trans->cfg == &iwl_ax201_cfg_qu_hr)
iwl_trans->cfg = &iwl_ax201_cfg_quz_hr;
+ else if (iwl_trans->cfg == &killer1650s_2ax_cfg_qu_b0_hr_b0)
+ iwl_trans->cfg = &iwl_ax1650s_cfg_quz_hr;
+ else if (iwl_trans->cfg == &killer1650i_2ax_cfg_qu_b0_hr_b0)
+ iwl_trans->cfg = &iwl_ax1650i_cfg_quz_hr;
}
#endif
@@ -1142,12 +1125,6 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* register transport layer debugfs here */
iwl_trans_pcie_dbgfs_register(iwl_trans);
- /* The PCI device starts with a reference taken and we are
- * supposed to release it here. But to simplify the
- * interaction with the opmode, we don't do it now, but let
- * the opmode release it when it's ready.
- */
-
return 0;
out_free_trans:
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index 595e6873d56e..55808ba10d27 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -189,6 +189,8 @@ struct iwl_rx_completion_desc {
* @rb_stts_dma: bus address of receive buffer status
* @lock:
* @queue: actual rx queue. Not used for multi-rx queue.
+ * @next_rb_is_fragment: indicates that the previous RB that we handled set
+ * the fragmented flag, so the next one is still another fragment
*
* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
*/
@@ -214,7 +216,7 @@ struct iwl_rxq {
u32 queue_size;
struct list_head rx_free;
struct list_head rx_used;
- bool need_update;
+ bool need_update, next_rb_is_fragment;
void *rb_stts;
dma_addr_t rb_stts_dma;
spinlock_t lock;
@@ -244,12 +246,6 @@ struct iwl_rb_allocator {
struct work_struct rx_alloc;
};
-struct iwl_dma_ptr {
- dma_addr_t dma;
- void *addr;
- size_t size;
-};
-
/**
* iwl_queue_inc_wrap - increment queue index, wrap back to beginning
* @index -- current index
@@ -288,107 +284,6 @@ static inline int iwl_queue_dec_wrap(struct iwl_trans *trans, int index)
(trans->trans_cfg->base_params->max_tfd_queue_size - 1);
}
-struct iwl_cmd_meta {
- /* only for SYNC commands, iff the reply skb is wanted */
- struct iwl_host_cmd *source;
- u32 flags;
- u32 tbs;
-};
-
-/*
- * The FH will write back to the first TB only, so we need to copy some data
- * into the buffer regardless of whether it should be mapped or not.
- * This indicates how big the first TB must be to include the scratch buffer
- * and the assigned PN.
- * Since PN location is 8 bytes at offset 12, it's 20 now.
- * If we make it bigger then allocations will be bigger and copy slower, so
- * that's probably not useful.
- */
-#define IWL_FIRST_TB_SIZE 20
-#define IWL_FIRST_TB_SIZE_ALIGN ALIGN(IWL_FIRST_TB_SIZE, 64)
-
-struct iwl_pcie_txq_entry {
- void *cmd;
- struct sk_buff *skb;
- /* buffer to free after command completes */
- const void *free_buf;
- struct iwl_cmd_meta meta;
-};
-
-struct iwl_pcie_first_tb_buf {
- u8 buf[IWL_FIRST_TB_SIZE_ALIGN];
-};
-
-/**
- * struct iwl_txq - Tx Queue for DMA
- * @q: generic Rx/Tx queue descriptor
- * @tfds: transmit frame descriptors (DMA memory)
- * @first_tb_bufs: start of command headers, including scratch buffers, for
- * the writeback -- this is DMA memory and an array holding one buffer
- * for each command on the queue
- * @first_tb_dma: DMA address for the first_tb_bufs start
- * @entries: transmit entries (driver state)
- * @lock: queue lock
- * @stuck_timer: timer that fires if queue gets stuck
- * @trans_pcie: pointer back to transport (for timer)
- * @need_update: indicates need to update read/write index
- * @ampdu: true if this queue is an ampdu queue for an specific RA/TID
- * @wd_timeout: queue watchdog timeout (jiffies) - per queue
- * @frozen: tx stuck queue timer is frozen
- * @frozen_expiry_remainder: remember how long until the timer fires
- * @bc_tbl: byte count table of the queue (relevant only for gen2 transport)
- * @write_ptr: 1-st empty entry (index) host_w
- * @read_ptr: last used entry (index) host_r
- * @dma_addr: physical addr for BD's
- * @n_window: safe queue window
- * @id: queue id
- * @low_mark: low watermark, resume queue if free space more than this
- * @high_mark: high watermark, stop queue if free space less than this
- *
- * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
- * descriptors) and required locking structures.
- *
- * Note the difference between TFD_QUEUE_SIZE_MAX and n_window: the hardware
- * always assumes 256 descriptors, so TFD_QUEUE_SIZE_MAX is always 256 (unless
- * there might be HW changes in the future). For the normal TX
- * queues, n_window, which is the size of the software queue data
- * is also 256; however, for the command queue, n_window is only
- * 32 since we don't need so many commands pending. Since the HW
- * still uses 256 BDs for DMA though, TFD_QUEUE_SIZE_MAX stays 256.
- * This means that we end up with the following:
- * HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
- * SW entries: | 0 | ... | 31 |
- * where N is a number between 0 and 7. This means that the SW
- * data is a window overlayed over the HW queue.
- */
-struct iwl_txq {
- void *tfds;
- struct iwl_pcie_first_tb_buf *first_tb_bufs;
- dma_addr_t first_tb_dma;
- struct iwl_pcie_txq_entry *entries;
- spinlock_t lock;
- unsigned long frozen_expiry_remainder;
- struct timer_list stuck_timer;
- struct iwl_trans_pcie *trans_pcie;
- bool need_update;
- bool frozen;
- bool ampdu;
- int block;
- unsigned long wd_timeout;
- struct sk_buff_head overflow_q;
- struct iwl_dma_ptr bc_tbl;
-
- int write_ptr;
- int read_ptr;
- dma_addr_t dma_addr;
- int n_window;
- u32 id;
- int low_mark;
- int high_mark;
-
- bool overflow_tx;
-};
-
static inline dma_addr_t
iwl_pcie_get_first_tb_dma(struct iwl_txq *txq, int idx)
{
@@ -556,11 +451,9 @@ struct iwl_trans_pcie {
u32 scd_base_addr;
struct iwl_dma_ptr scd_bc_tbls;
struct iwl_dma_ptr kw;
+ struct dma_pool *bc_pool;
struct iwl_txq *txq_memory;
- struct iwl_txq *txq[IWL_MAX_TVQM_QUEUES];
- unsigned long queue_used[BITS_TO_LONGS(IWL_MAX_TVQM_QUEUES)];
- unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_TVQM_QUEUES)];
/* PCI bus related data */
struct pci_dev *pci_dev;
@@ -574,10 +467,7 @@ struct iwl_trans_pcie {
u8 page_offs, dev_cmd_offs;
- u8 cmd_queue;
u8 def_rx_queue;
- u8 cmd_fifo;
- unsigned int cmd_q_wdg_timeout;
u8 n_no_reclaim_cmds;
u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
u8 max_tbs;
@@ -792,22 +682,6 @@ static inline int iwl_pcie_get_num_sections(const struct fw_img *fw,
return i;
}
-static inline int iwl_pcie_ctxt_info_alloc_dma(struct iwl_trans *trans,
- const struct fw_desc *sec,
- struct iwl_dram_data *dram)
-{
- dram->block = dma_alloc_coherent(trans->dev, sec->len,
- &dram->physical,
- GFP_KERNEL);
- if (!dram->block)
- return -ENOMEM;
-
- dram->size = sec->len;
- memcpy(dram->block, sec->data, sec->len);
-
- return 0;
-}
-
static inline void iwl_pcie_ctxt_info_free_fw_img(struct iwl_trans *trans)
{
struct iwl_self_init_dram *dram = &trans->init_dram;
@@ -996,9 +870,7 @@ void iwl_pcie_handle_rfkill_irq(struct iwl_trans *trans);
static inline void iwl_wake_queue(struct iwl_trans *trans,
struct iwl_txq *txq)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
- if (test_and_clear_bit(txq->id, trans_pcie->queue_stopped)) {
+ if (test_and_clear_bit(txq->id, trans->txqs.queue_stopped)) {
IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d\n", txq->id);
iwl_op_mode_queue_not_full(trans->op_mode, txq->id);
}
@@ -1007,9 +879,7 @@ static inline void iwl_wake_queue(struct iwl_trans *trans,
static inline void iwl_stop_queue(struct iwl_trans *trans,
struct iwl_txq *txq)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
- if (!test_and_set_bit(txq->id, trans_pcie->queue_stopped)) {
+ if (!test_and_set_bit(txq->id, trans->txqs.queue_stopped)) {
iwl_op_mode_queue_full(trans->op_mode, txq->id);
IWL_DEBUG_TX_QUEUES(trans, "Stop hwq %d\n", txq->id);
} else
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index 8c29071cb415..24cb1b1f21f0 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -1284,7 +1284,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,
int i)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
bool page_stolen = false;
int max_len = trans_pcie->rx_buf_bytes;
u32 offset = 0;
@@ -1427,7 +1427,8 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans,
}
static struct iwl_rx_mem_buffer *iwl_pcie_get_rxb(struct iwl_trans *trans,
- struct iwl_rxq *rxq, int i)
+ struct iwl_rxq *rxq, int i,
+ bool *join)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_rx_mem_buffer *rxb;
@@ -1441,10 +1442,12 @@ static struct iwl_rx_mem_buffer *iwl_pcie_get_rxb(struct iwl_trans *trans,
return rxb;
}
- if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
+ if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
vid = le16_to_cpu(rxq->cd[i].rbid);
- else
+ *join = rxq->cd[i].flags & IWL_RX_CD_FLAGS_FRAGMENTED;
+ } else {
vid = le32_to_cpu(rxq->bd_32[i]) & 0x0FFF; /* 12-bit VID */
+ }
if (!vid || vid > RX_POOL_SIZE(trans_pcie->num_rx_bufs))
goto out_err;
@@ -1502,6 +1505,7 @@ restart:
u32 rb_pending_alloc =
atomic_read(&trans_pcie->rba.req_pending) *
RX_CLAIM_REQ_ALLOC;
+ bool join = false;
if (unlikely(rb_pending_alloc >= rxq->queue_size / 2 &&
!emergency)) {
@@ -1514,11 +1518,29 @@ restart:
IWL_DEBUG_RX(trans, "Q %d: HW = %d, SW = %d\n", rxq->id, r, i);
- rxb = iwl_pcie_get_rxb(trans, rxq, i);
+ rxb = iwl_pcie_get_rxb(trans, rxq, i, &join);
if (!rxb)
goto out;
- iwl_pcie_rx_handle_rb(trans, rxq, rxb, emergency, i);
+ if (unlikely(join || rxq->next_rb_is_fragment)) {
+ rxq->next_rb_is_fragment = join;
+ /*
+ * We can only get a multi-RB in the following cases:
+ * - firmware issue, sending a too big notification
+ * - sniffer mode with a large A-MSDU
+ * - large MTU frames (>2k)
+ * since the multi-RB functionality is limited to newer
+ * hardware that cannot put multiple entries into a
+ * single RB.
+ *
+ * Right now, the higher layers aren't set up to deal
+ * with that, so discard all of these.
+ */
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ } else {
+ iwl_pcie_rx_handle_rb(trans, rxq, rxb, emergency, i);
+ }
i = (i + 1) & (rxq->queue_size - 1);
@@ -1649,9 +1671,9 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans)
}
for (i = 0; i < trans->trans_cfg->base_params->num_of_queues; i++) {
- if (!trans_pcie->txq[i])
+ if (!trans->txqs.txq[i])
continue;
- del_timer(&trans_pcie->txq[i]->stuck_timer);
+ del_timer(&trans->txqs.txq[i]->stuck_timer);
}
/* The STATUS_FW_ERROR bit is set in this function. This must happen
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
index 19a2c72081ab..97c9e9c87436 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -20,7 +20,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -245,7 +245,7 @@ static int iwl_pcie_gen2_nic_init(struct iwl_trans *trans)
return -ENOMEM;
/* Allocate or reset and init all Tx and Command queues */
- if (iwl_pcie_gen2_tx_init(trans, trans_pcie->cmd_queue, queue_size))
+ if (iwl_pcie_gen2_tx_init(trans, trans->txqs.cmd.q_id, queue_size))
return -ENOMEM;
/* enable shadow regs in HW */
@@ -262,8 +262,9 @@ void iwl_trans_pcie_gen2_fw_alive(struct iwl_trans *trans, u32 scd_addr)
iwl_pcie_reset_ict(trans);
/* make sure all queue are not stopped/used */
- memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_stopped, 0,
+ sizeof(trans->txqs.queue_stopped));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
/* now that we got alive we can free the fw image & the context info.
* paging memory cannot be freed included since FW will still use it
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index e4cbd8daa7c6..e5160d620868 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -5,10 +5,9 @@
*
* GPL LICENSE SUMMARY
*
- * Copyright(c) 2007 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2015, 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -28,10 +27,9 @@
*
* BSD LICENSE
*
- * Copyright(c) 2005 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2007 - 2015, 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -70,6 +68,7 @@
#include <linux/vmalloc.h>
#include <linux/module.h>
#include <linux/wait.h>
+#include <linux/seq_file.h>
#include "iwl-drv.h"
#include "iwl-trans.h"
@@ -1018,21 +1017,8 @@ static int iwl_pcie_load_given_ucode(struct iwl_trans *trans,
return ret;
}
- /* supported for 7000 only for the moment */
- if (iwlwifi_mod_params.fw_monitor &&
- trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_7000) {
- struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
-
- iwl_pcie_alloc_fw_monitor(trans, 0);
- if (fw_mon->size) {
- iwl_write_prph(trans, MON_BUFF_BASE_ADDR,
- fw_mon->physical >> 4);
- iwl_write_prph(trans, MON_BUFF_END_ADDR,
- (fw_mon->physical + fw_mon->size) >> 4);
- }
- } else if (iwl_pcie_dbg_on(trans)) {
+ if (iwl_pcie_dbg_on(trans))
iwl_pcie_apply_destination(trans);
- }
iwl_enable_interrupts(trans);
@@ -1507,14 +1493,10 @@ static int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test,
int ret;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- /*
- * Family IWL_DEVICE_FAMILY_AX210 and above persist mode is set by FW.
- */
- if (!reset && trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) {
+ if (!reset)
/* Enable persistence mode to avoid reset */
iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_PERSIST_MODE);
- }
if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
iwl_write_umac_prph(trans, UREG_DOORBELL_TO_ISR6,
@@ -1922,9 +1904,9 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans,
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- trans_pcie->cmd_queue = trans_cfg->cmd_queue;
- trans_pcie->cmd_fifo = trans_cfg->cmd_fifo;
- trans_pcie->cmd_q_wdg_timeout = trans_cfg->cmd_q_wdg_timeout;
+ trans->txqs.cmd.q_id = trans_cfg->cmd_queue;
+ trans->txqs.cmd.fifo = trans_cfg->cmd_fifo;
+ trans->txqs.cmd.wdg_timeout = trans_cfg->cmd_q_wdg_timeout;
if (WARN_ON(trans_cfg->n_no_reclaim_cmds > MAX_NO_RECLAIM_CMDS))
trans_pcie->n_no_reclaim_cmds = 0;
else
@@ -2217,11 +2199,10 @@ static void iwl_trans_pcie_freeze_txq_timer(struct iwl_trans *trans,
unsigned long txqs,
bool freeze)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int queue;
for_each_set_bit(queue, &txqs, BITS_PER_LONG) {
- struct iwl_txq *txq = trans_pcie->txq[queue];
+ struct iwl_txq *txq = trans->txqs.txq[queue];
unsigned long now;
spin_lock_bh(&txq->lock);
@@ -2269,13 +2250,12 @@ next_queue:
static void iwl_trans_pcie_block_txq_ptrs(struct iwl_trans *trans, bool block)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i;
for (i = 0; i < trans->trans_cfg->base_params->num_of_queues; i++) {
- struct iwl_txq *txq = trans_pcie->txq[i];
+ struct iwl_txq *txq = trans->txqs.txq[i];
- if (i == trans_pcie->cmd_queue)
+ if (i == trans->txqs.cmd.q_id)
continue;
spin_lock_bh(&txq->lock);
@@ -2344,7 +2324,6 @@ static int iwl_trans_pcie_rxq_dma_data(struct iwl_trans *trans, int queue,
static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, int txq_idx)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_txq *txq;
unsigned long now = jiffies;
bool overflow_tx;
@@ -2354,11 +2333,11 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, int txq_idx)
if (test_bit(STATUS_TRANS_DEAD, &trans->status))
return -ENODEV;
- if (!test_bit(txq_idx, trans_pcie->queue_used))
+ if (!test_bit(txq_idx, trans->txqs.queue_used))
return -EINVAL;
IWL_DEBUG_TX_QUEUES(trans, "Emptying queue %d...\n", txq_idx);
- txq = trans_pcie->txq[txq_idx];
+ txq = trans->txqs.txq[txq_idx];
spin_lock_bh(&txq->lock);
overflow_tx = txq->overflow_tx ||
@@ -2406,7 +2385,6 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, int txq_idx)
static int iwl_trans_pcie_wait_txqs_empty(struct iwl_trans *trans, u32 txq_bm)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int cnt;
int ret = 0;
@@ -2415,9 +2393,9 @@ static int iwl_trans_pcie_wait_txqs_empty(struct iwl_trans *trans, u32 txq_bm)
cnt < trans->trans_cfg->base_params->num_of_queues;
cnt++) {
- if (cnt == trans_pcie->cmd_queue)
+ if (cnt == trans->txqs.cmd.q_id)
continue;
- if (!test_bit(cnt, trans_pcie->queue_used))
+ if (!test_bit(cnt, trans->txqs.queue_used))
continue;
if (!(BIT(cnt) & txq_bm))
continue;
@@ -2544,44 +2522,94 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \
.llseek = generic_file_llseek, \
};
-static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+struct iwl_dbgfs_tx_queue_priv {
+ struct iwl_trans *trans;
+};
+
+struct iwl_dbgfs_tx_queue_state {
+ loff_t pos;
+};
+
+static void *iwl_dbgfs_tx_queue_seq_start(struct seq_file *seq, loff_t *pos)
{
- struct iwl_trans *trans = file->private_data;
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq;
- char *buf;
- int pos = 0;
- int cnt;
- int ret;
- size_t bufsz;
+ struct iwl_dbgfs_tx_queue_priv *priv = seq->private;
+ struct iwl_dbgfs_tx_queue_state *state;
+
+ if (*pos >= priv->trans->trans_cfg->base_params->num_of_queues)
+ return NULL;
- bufsz = sizeof(char) * 75 *
- trans->trans_cfg->base_params->num_of_queues;
+ state = kmalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
+ return NULL;
+ state->pos = *pos;
+ return state;
+}
- if (!trans_pcie->txq_memory)
- return -EAGAIN;
+static void *iwl_dbgfs_tx_queue_seq_next(struct seq_file *seq,
+ void *v, loff_t *pos)
+{
+ struct iwl_dbgfs_tx_queue_priv *priv = seq->private;
+ struct iwl_dbgfs_tx_queue_state *state = v;
- buf = kzalloc(bufsz, GFP_KERNEL);
- if (!buf)
+ *pos = ++state->pos;
+
+ if (*pos >= priv->trans->trans_cfg->base_params->num_of_queues)
+ return NULL;
+
+ return state;
+}
+
+static void iwl_dbgfs_tx_queue_seq_stop(struct seq_file *seq, void *v)
+{
+ kfree(v);
+}
+
+static int iwl_dbgfs_tx_queue_seq_show(struct seq_file *seq, void *v)
+{
+ struct iwl_dbgfs_tx_queue_priv *priv = seq->private;
+ struct iwl_dbgfs_tx_queue_state *state = v;
+ struct iwl_trans *trans = priv->trans;
+ struct iwl_txq *txq = trans->txqs.txq[state->pos];
+
+ seq_printf(seq, "hwq %.3u: used=%d stopped=%d ",
+ (unsigned int)state->pos,
+ !!test_bit(state->pos, trans->txqs.queue_used),
+ !!test_bit(state->pos, trans->txqs.queue_stopped));
+ if (txq)
+ seq_printf(seq,
+ "read=%u write=%u need_update=%d frozen=%d n_window=%d ampdu=%d",
+ txq->read_ptr, txq->write_ptr,
+ txq->need_update, txq->frozen,
+ txq->n_window, txq->ampdu);
+ else
+ seq_puts(seq, "(unallocated)");
+
+ if (state->pos == trans->txqs.cmd.q_id)
+ seq_puts(seq, " (HCMD)");
+ seq_puts(seq, "\n");
+
+ return 0;
+}
+
+static const struct seq_operations iwl_dbgfs_tx_queue_seq_ops = {
+ .start = iwl_dbgfs_tx_queue_seq_start,
+ .next = iwl_dbgfs_tx_queue_seq_next,
+ .stop = iwl_dbgfs_tx_queue_seq_stop,
+ .show = iwl_dbgfs_tx_queue_seq_show,
+};
+
+static int iwl_dbgfs_tx_queue_open(struct inode *inode, struct file *filp)
+{
+ struct iwl_dbgfs_tx_queue_priv *priv;
+
+ priv = __seq_open_private(filp, &iwl_dbgfs_tx_queue_seq_ops,
+ sizeof(*priv));
+
+ if (!priv)
return -ENOMEM;
- for (cnt = 0;
- cnt < trans->trans_cfg->base_params->num_of_queues;
- cnt++) {
- txq = trans_pcie->txq[cnt];
- pos += scnprintf(buf + pos, bufsz - pos,
- "hwq %.2d: read=%u write=%u use=%d stop=%d need_update=%d frozen=%d%s\n",
- cnt, txq->read_ptr, txq->write_ptr,
- !!test_bit(cnt, trans_pcie->queue_used),
- !!test_bit(cnt, trans_pcie->queue_stopped),
- txq->need_update, txq->frozen,
- (cnt == trans_pcie->cmd_queue ? " HCMD" : ""));
- }
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
- kfree(buf);
- return ret;
+ priv->trans = inode->i_private;
+ return 0;
}
static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
@@ -2914,9 +2942,15 @@ static ssize_t iwl_dbgfs_monitor_data_read(struct file *file,
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
DEBUGFS_READ_FILE_OPS(fh_reg);
DEBUGFS_READ_FILE_OPS(rx_queue);
-DEBUGFS_READ_FILE_OPS(tx_queue);
DEBUGFS_WRITE_FILE_OPS(csr);
DEBUGFS_READ_WRITE_FILE_OPS(rfkill);
+static const struct file_operations iwl_dbgfs_tx_queue_ops = {
+ .owner = THIS_MODULE,
+ .open = iwl_dbgfs_tx_queue_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release_private,
+};
static const struct file_operations iwl_dbgfs_monitor_data_ops = {
.read = iwl_dbgfs_monitor_data_read,
@@ -3226,7 +3260,7 @@ static struct iwl_trans_dump_data
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_fw_error_dump_data *data;
- struct iwl_txq *cmdq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *cmdq = trans->txqs.txq[trans->txqs.cmd.q_id];
struct iwl_fw_error_dump_txcmd *txcmd;
struct iwl_trans_dump_data *dump_data;
u32 len, num_rbs = 0, monitor_len = 0;
@@ -3627,6 +3661,25 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
init_waitqueue_head(&trans_pcie->sx_waitq);
+ /*
+ * For gen2 devices, we use a single allocation for each byte-count
+ * table, but they're pretty small (1k) so use a DMA pool that we
+ * allocate here.
+ */
+ if (cfg_trans->gen2) {
+ size_t bc_tbl_size;
+
+ if (cfg_trans->device_family >= IWL_DEVICE_FAMILY_AX210)
+ bc_tbl_size = sizeof(struct iwl_gen3_bc_tbl);
+ else
+ bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl);
+
+ trans_pcie->bc_pool = dmam_pool_create("iwlwifi:bc", &pdev->dev,
+ bc_tbl_size, 256, 0);
+ if (!trans_pcie->bc_pool)
+ goto out_no_pci;
+ }
+
if (trans_pcie->msix_enabled) {
ret = iwl_pcie_init_msix_handler(pdev, trans_pcie);
if (ret)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 86fc00167817..7fc7542535d8 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -6,7 +6,7 @@
* GPL LICENSE SUMMARY
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -20,7 +20,7 @@
* BSD LICENSE
*
* Copyright(c) 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -64,7 +64,6 @@
*/
void iwl_pcie_gen2_tx_stop(struct iwl_trans *trans)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id;
/*
@@ -72,12 +71,13 @@ void iwl_pcie_gen2_tx_stop(struct iwl_trans *trans)
* queues. This happens when we have an rfkill interrupt.
* Since we stop Tx altogether - mark the queues as stopped.
*/
- memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_stopped, 0,
+ sizeof(trans->txqs.queue_stopped));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
/* Unmap DMA from host system and free skb's */
- for (txq_id = 0; txq_id < ARRAY_SIZE(trans_pcie->txq); txq_id++) {
- if (!trans_pcie->txq[txq_id])
+ for (txq_id = 0; txq_id < ARRAY_SIZE(trans->txqs.txq); txq_id++) {
+ if (!trans->txqs.txq[txq_id])
continue;
iwl_pcie_gen2_txq_unmap(trans, txq_id);
}
@@ -90,9 +90,7 @@ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans_pcie *trans_pcie,
struct iwl_txq *txq, u16 byte_cnt,
int num_tbs)
{
- struct iwlagn_scd_bc_tbl *scd_bc_tbl = txq->bc_tbl.addr;
struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
- struct iwl_gen3_bc_tbl *scd_bc_tbl_gen3 = txq->bc_tbl.addr;
int idx = iwl_pcie_get_cmd_index(txq, txq->write_ptr);
u8 filled_tfd_size, num_fetch_chunks;
u16 len = byte_cnt;
@@ -102,7 +100,7 @@ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans_pcie *trans_pcie,
return;
filled_tfd_size = offsetof(struct iwl_tfh_tfd, tbs) +
- num_tbs * sizeof(struct iwl_tfh_tb);
+ num_tbs * sizeof(struct iwl_tfh_tb);
/*
* filled_tfd_size contains the number of filled bytes in the TFD.
* Dividing it by 64 will give the number of chunks to fetch
@@ -114,12 +112,16 @@ static void iwl_pcie_gen2_update_byte_tbl(struct iwl_trans_pcie *trans_pcie,
num_fetch_chunks = DIV_ROUND_UP(filled_tfd_size, 64) - 1;
if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
+ struct iwl_gen3_bc_tbl *scd_bc_tbl_gen3 = txq->bc_tbl.addr;
+
/* Starting from AX210, the HW expects bytes */
WARN_ON(trans_pcie->bc_table_dword);
WARN_ON(len > 0x3FFF);
bc_ent = cpu_to_le16(len | (num_fetch_chunks << 14));
scd_bc_tbl_gen3->tfd_offset[idx] = bc_ent;
} else {
+ struct iwlagn_scd_bc_tbl *scd_bc_tbl = txq->bc_tbl.addr;
+
/* Before AX210, the HW expects DW */
WARN_ON(!trans_pcie->bc_table_dword);
len = DIV_ROUND_UP(len, 4);
@@ -714,7 +716,7 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_cmd_meta *out_meta;
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
u16 cmd_len;
int idx;
void *tfd;
@@ -723,7 +725,7 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
"queue %d out of range", txq_id))
return -EINVAL;
- if (WARN_ONCE(!test_bit(txq_id, trans_pcie->queue_used),
+ if (WARN_ONCE(!test_bit(txq_id, trans->txqs.queue_used),
"TX on unused queue %d\n", txq_id))
return -EINVAL;
@@ -817,7 +819,7 @@ static int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
unsigned long flags;
@@ -929,7 +931,7 @@ static int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
cpu_to_le16(cmd_size - sizeof(struct iwl_cmd_header_wide));
out_cmd->hdr_wide.reserved = 0;
out_cmd->hdr_wide.sequence =
- cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) |
+ cpu_to_le16(QUEUE_TO_SEQ(trans->txqs.cmd.q_id) |
INDEX_TO_SEQ(txq->write_ptr));
cmd_pos = sizeof(struct iwl_cmd_header_wide);
@@ -977,7 +979,7 @@ static int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
"Sending command %s (%.2x.%.2x), seq: 0x%04X, %d bytes at %d[%d]:%d\n",
iwl_get_cmd_string(trans, cmd->id), group_id,
out_cmd->hdr.cmd, le16_to_cpu(out_cmd->hdr.sequence),
- cmd_size, txq->write_ptr, idx, trans_pcie->cmd_queue);
+ cmd_size, txq->write_ptr, idx, trans->txqs.cmd.q_id);
/* start the TFD with the minimum copy bytes */
tb0_size = min_t(int, copy_size, IWL_FIRST_TB_SIZE);
@@ -1054,7 +1056,7 @@ static int iwl_pcie_gen2_send_hcmd_sync(struct iwl_trans *trans,
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
const char *cmd_str = iwl_get_cmd_string(trans, cmd->id);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
int cmd_idx;
int ret;
@@ -1173,14 +1175,14 @@ int iwl_trans_pcie_gen2_send_hcmd(struct iwl_trans *trans,
void iwl_pcie_gen2_txq_unmap(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
spin_lock_bh(&txq->lock);
while (txq->write_ptr != txq->read_ptr) {
IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",
txq_id, txq->read_ptr);
- if (txq_id != trans_pcie->cmd_queue) {
+ if (txq_id != trans->txqs.cmd.q_id) {
int idx = iwl_pcie_get_cmd_index(txq, txq->read_ptr);
struct sk_buff *skb = txq->entries[idx].skb;
@@ -1222,7 +1224,9 @@ void iwl_pcie_gen2_txq_free_memory(struct iwl_trans *trans,
}
kfree(txq->entries);
- iwl_pcie_free_dma_ptr(trans, &txq->bc_tbl);
+ if (txq->bc_tbl.addr)
+ dma_pool_free(trans_pcie->bc_pool, txq->bc_tbl.addr,
+ txq->bc_tbl.dma);
kfree(txq);
}
@@ -1236,7 +1240,6 @@ void iwl_pcie_gen2_txq_free_memory(struct iwl_trans *trans,
*/
static void iwl_pcie_gen2_txq_free(struct iwl_trans *trans, int txq_id)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_txq *txq;
int i;
@@ -1244,7 +1247,7 @@ static void iwl_pcie_gen2_txq_free(struct iwl_trans *trans, int txq_id)
"queue %d out of range", txq_id))
return;
- txq = trans_pcie->txq[txq_id];
+ txq = trans->txqs.txq[txq_id];
if (WARN_ON(!txq))
return;
@@ -1252,7 +1255,7 @@ static void iwl_pcie_gen2_txq_free(struct iwl_trans *trans, int txq_id)
iwl_pcie_gen2_txq_unmap(trans, txq_id);
/* De-alloc array of command/tx buffers */
- if (txq_id == trans_pcie->cmd_queue)
+ if (txq_id == trans->txqs.cmd.q_id)
for (i = 0; i < txq->n_window; i++) {
kzfree(txq->entries[i].cmd);
kzfree(txq->entries[i].free_buf);
@@ -1261,27 +1264,38 @@ static void iwl_pcie_gen2_txq_free(struct iwl_trans *trans, int txq_id)
iwl_pcie_gen2_txq_free_memory(trans, txq);
- trans_pcie->txq[txq_id] = NULL;
+ trans->txqs.txq[txq_id] = NULL;
- clear_bit(txq_id, trans_pcie->queue_used);
+ clear_bit(txq_id, trans->txqs.queue_used);
}
int iwl_trans_pcie_dyn_txq_alloc_dma(struct iwl_trans *trans,
struct iwl_txq **intxq, int size,
unsigned int timeout)
{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ size_t bc_tbl_size, bc_tbl_entries;
+ struct iwl_txq *txq;
int ret;
- struct iwl_txq *txq;
+ if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) {
+ bc_tbl_size = sizeof(struct iwl_gen3_bc_tbl);
+ bc_tbl_entries = bc_tbl_size / sizeof(u16);
+ } else {
+ bc_tbl_size = sizeof(struct iwlagn_scd_bc_tbl);
+ bc_tbl_entries = bc_tbl_size / sizeof(u16);
+ }
+
+ if (WARN_ON(size > bc_tbl_entries))
+ return -EINVAL;
+
txq = kzalloc(sizeof(*txq), GFP_KERNEL);
if (!txq)
return -ENOMEM;
- ret = iwl_pcie_alloc_dma_ptr(trans, &txq->bc_tbl,
- (trans->trans_cfg->device_family >=
- IWL_DEVICE_FAMILY_AX210) ?
- sizeof(struct iwl_gen3_bc_tbl) :
- sizeof(struct iwlagn_scd_bc_tbl));
- if (ret) {
+
+ txq->bc_tbl.addr = dma_pool_alloc(trans_pcie->bc_pool, GFP_KERNEL,
+ &txq->bc_tbl.dma);
+ if (!txq->bc_tbl.addr) {
IWL_ERR(trans, "Scheduler BC Table allocation failed\n");
kfree(txq);
return -ENOMEM;
@@ -1312,7 +1326,6 @@ int iwl_trans_pcie_txq_alloc_response(struct iwl_trans *trans,
struct iwl_txq *txq,
struct iwl_host_cmd *hcmd)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_queue_cfg_rsp *rsp;
int ret, qid;
u32 wr_ptr;
@@ -1327,20 +1340,20 @@ int iwl_trans_pcie_txq_alloc_response(struct iwl_trans *trans,
qid = le16_to_cpu(rsp->queue_number);
wr_ptr = le16_to_cpu(rsp->write_pointer);
- if (qid >= ARRAY_SIZE(trans_pcie->txq)) {
+ if (qid >= ARRAY_SIZE(trans->txqs.txq)) {
WARN_ONCE(1, "queue index %d unsupported", qid);
ret = -EIO;
goto error_free_resp;
}
- if (test_and_set_bit(qid, trans_pcie->queue_used)) {
+ if (test_and_set_bit(qid, trans->txqs.queue_used)) {
WARN_ONCE(1, "queue %d already used", qid);
ret = -EIO;
goto error_free_resp;
}
txq->id = qid;
- trans_pcie->txq[qid] = txq;
+ trans->txqs.txq[qid] = txq;
wr_ptr &= (trans->trans_cfg->base_params->max_tfd_queue_size - 1);
/* Place first TFD at index corresponding to start sequence number */
@@ -1398,8 +1411,6 @@ error:
void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
if (WARN(queue >= IWL_MAX_TVQM_QUEUES,
"queue %d out of range", queue))
return;
@@ -1410,7 +1421,7 @@ void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue)
* allow the op_mode to call txq_disable after it already called
* stop_device.
*/
- if (!test_and_clear_bit(queue, trans_pcie->queue_used)) {
+ if (!test_and_clear_bit(queue, trans->txqs.queue_used)) {
WARN_ONCE(test_bit(STATUS_DEVICE_ENABLED, &trans->status),
"queue %d not used", queue);
return;
@@ -1418,19 +1429,21 @@ void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue)
iwl_pcie_gen2_txq_unmap(trans, queue);
+ iwl_pcie_gen2_txq_free_memory(trans, trans->txqs.txq[queue]);
+ trans->txqs.txq[queue] = NULL;
+
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", queue);
}
void iwl_pcie_gen2_tx_free(struct iwl_trans *trans)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i;
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
/* Free all TX queues */
- for (i = 0; i < ARRAY_SIZE(trans_pcie->txq); i++) {
- if (!trans_pcie->txq[i])
+ for (i = 0; i < ARRAY_SIZE(trans->txqs.txq); i++) {
+ if (!trans->txqs.txq[i])
continue;
iwl_pcie_gen2_txq_free(trans, i);
@@ -1439,35 +1452,34 @@ void iwl_pcie_gen2_tx_free(struct iwl_trans *trans)
int iwl_pcie_gen2_tx_init(struct iwl_trans *trans, int txq_id, int queue_size)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_txq *queue;
int ret;
/* alloc and init the tx queue */
- if (!trans_pcie->txq[txq_id]) {
+ if (!trans->txqs.txq[txq_id]) {
queue = kzalloc(sizeof(*queue), GFP_KERNEL);
if (!queue) {
IWL_ERR(trans, "Not enough memory for tx queue\n");
return -ENOMEM;
}
- trans_pcie->txq[txq_id] = queue;
+ trans->txqs.txq[txq_id] = queue;
ret = iwl_pcie_txq_alloc(trans, queue, queue_size, true);
if (ret) {
IWL_ERR(trans, "Tx %d queue init failed\n", txq_id);
goto error;
}
} else {
- queue = trans_pcie->txq[txq_id];
+ queue = trans->txqs.txq[txq_id];
}
ret = iwl_pcie_txq_init(trans, queue, queue_size,
- (txq_id == trans_pcie->cmd_queue));
+ (txq_id == trans->txqs.cmd.q_id));
if (ret) {
IWL_ERR(trans, "Tx %d queue alloc failed\n", txq_id);
goto error;
}
- trans_pcie->txq[txq_id]->id = txq_id;
- set_bit(txq_id, trans_pcie->queue_used);
+ trans->txqs.txq[txq_id]->id = txq_id;
+ set_bit(txq_id, trans->txqs.queue_used);
return 0;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index 4582d418ba4d..5c6c3fa0d29f 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -8,7 +8,7 @@
* Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -31,7 +31,7 @@
* Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 - 2019 Intel Corporation
+ * Copyright(c) 2018 - 2020 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -183,8 +183,7 @@ void iwl_pcie_free_dma_ptr(struct iwl_trans *trans, struct iwl_dma_ptr *ptr)
static void iwl_pcie_txq_stuck_timer(struct timer_list *t)
{
struct iwl_txq *txq = from_timer(txq, t, stuck_timer);
- struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
- struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
+ struct iwl_trans *trans = txq->trans;
spin_lock(&txq->lock);
/* check if triggered erroneously */
@@ -262,7 +261,7 @@ static void iwl_pcie_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
- if (txq_id != trans_pcie->cmd_queue)
+ if (txq_id != trans->txqs.cmd.q_id)
sta_id = tx_cmd->sta_id;
bc_ent = cpu_to_le16(1 | (sta_id << 12));
@@ -280,7 +279,6 @@ static void iwl_pcie_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
static void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans,
struct iwl_txq *txq)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 reg = 0;
int txq_id = txq->id;
@@ -293,7 +291,7 @@ static void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans,
* 3. there is a chance that the NIC is asleep
*/
if (!trans->trans_cfg->base_params->shadow_reg_enable &&
- txq_id != trans_pcie->cmd_queue &&
+ txq_id != trans->txqs.cmd.q_id &&
test_bit(STATUS_TPOWER_PMI, &trans->status)) {
/*
* wake up nic if it's powered down ...
@@ -324,13 +322,12 @@ static void iwl_pcie_txq_inc_wr_ptr(struct iwl_trans *trans,
void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i;
for (i = 0; i < trans->trans_cfg->base_params->num_of_queues; i++) {
- struct iwl_txq *txq = trans_pcie->txq[i];
+ struct iwl_txq *txq = trans->txqs.txq[i];
- if (!test_bit(i, trans_pcie->queue_used))
+ if (!test_bit(i, trans->txqs.queue_used))
continue;
spin_lock_bh(&txq->lock);
@@ -535,7 +532,7 @@ int iwl_pcie_txq_alloc(struct iwl_trans *trans, struct iwl_txq *txq,
tfd_sz = trans_pcie->tfd_size * slots_num;
timer_setup(&txq->stuck_timer, iwl_pcie_txq_stuck_timer, 0);
- txq->trans_pcie = trans_pcie;
+ txq->trans = trans;
txq->n_window = slots_num;
@@ -661,14 +658,14 @@ static void iwl_pcie_clear_cmd_in_flight(struct iwl_trans *trans)
static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
spin_lock_bh(&txq->lock);
while (txq->write_ptr != txq->read_ptr) {
IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n",
txq_id, txq->read_ptr);
- if (txq_id != trans_pcie->cmd_queue) {
+ if (txq_id != trans->txqs.cmd.q_id) {
struct sk_buff *skb = txq->entries[txq->read_ptr].skb;
if (WARN_ON_ONCE(!skb))
@@ -683,7 +680,7 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
unsigned long flags;
spin_lock_irqsave(&trans_pcie->reg_lock, flags);
- if (txq_id == trans_pcie->cmd_queue)
+ if (txq_id == trans->txqs.cmd.q_id)
iwl_pcie_clear_cmd_in_flight(trans);
spin_unlock_irqrestore(&trans_pcie->reg_lock, flags);
}
@@ -712,7 +709,7 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id)
static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
struct device *dev = trans->dev;
int i;
@@ -722,7 +719,7 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)
iwl_pcie_txq_unmap(trans, txq_id);
/* De-alloc array of command/tx buffers */
- if (txq_id == trans_pcie->cmd_queue)
+ if (txq_id == trans->txqs.cmd.q_id)
for (i = 0; i < txq->n_window; i++) {
kzfree(txq->entries[i].cmd);
kzfree(txq->entries[i].free_buf);
@@ -761,8 +758,9 @@ void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr)
SCD_CONTEXT_MEM_LOWER_BOUND) / sizeof(u32);
/* make sure all queue are not stopped/used */
- memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_stopped, 0,
+ sizeof(trans->txqs.queue_stopped));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
trans_pcie->scd_base_addr =
iwl_read_prph(trans, SCD_SRAM_BASE_ADDR);
@@ -784,9 +782,9 @@ void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr)
if (trans->trans_cfg->base_params->scd_chain_ext_wa)
iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
- iwl_trans_ac_txq_enable(trans, trans_pcie->cmd_queue,
- trans_pcie->cmd_fifo,
- trans_pcie->cmd_q_wdg_timeout);
+ iwl_trans_ac_txq_enable(trans, trans->txqs.cmd.q_id,
+ trans->txqs.cmd.fifo,
+ trans->txqs.cmd.wdg_timeout);
/* Activate all Tx DMA/FIFO channels */
iwl_scd_activate_fifos(trans);
@@ -822,7 +820,7 @@ void iwl_trans_pcie_tx_reset(struct iwl_trans *trans)
for (txq_id = 0; txq_id < trans->trans_cfg->base_params->num_of_queues;
txq_id++) {
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
if (trans->trans_cfg->use_tfh)
iwl_write_direct64(trans,
FH_MEM_CBBC_QUEUE(trans, txq_id),
@@ -898,8 +896,9 @@ int iwl_pcie_tx_stop(struct iwl_trans *trans)
* queues. This happens when we have an rfkill interrupt.
* Since we stop Tx altogether - mark the queues as stopped.
*/
- memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_stopped, 0,
+ sizeof(trans->txqs.queue_stopped));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
/* This can happen: start_hw, stop_device */
if (!trans_pcie->txq_memory)
@@ -923,7 +922,7 @@ void iwl_pcie_tx_free(struct iwl_trans *trans)
int txq_id;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
+ memset(trans->txqs.queue_used, 0, sizeof(trans->txqs.queue_used));
/* Tx queues */
if (trans_pcie->txq_memory) {
@@ -931,7 +930,7 @@ void iwl_pcie_tx_free(struct iwl_trans *trans)
txq_id < trans->trans_cfg->base_params->num_of_queues;
txq_id++) {
iwl_pcie_txq_free(trans, txq_id);
- trans_pcie->txq[txq_id] = NULL;
+ trans->txqs.txq[txq_id] = NULL;
}
}
@@ -954,10 +953,10 @@ static int iwl_pcie_tx_alloc(struct iwl_trans *trans)
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u16 bc_tbls_size = trans->trans_cfg->base_params->num_of_queues;
- bc_tbls_size *= (trans->trans_cfg->device_family >=
- IWL_DEVICE_FAMILY_AX210) ?
- sizeof(struct iwl_gen3_bc_tbl) :
- sizeof(struct iwlagn_scd_bc_tbl);
+ if (WARN_ON(trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210))
+ return -EINVAL;
+
+ bc_tbls_size *= sizeof(struct iwlagn_scd_bc_tbl);
/*It is not allowed to alloc twice, so warn when this happens.
* We cannot rely on the previous allocation, so free and fail */
@@ -992,7 +991,7 @@ static int iwl_pcie_tx_alloc(struct iwl_trans *trans)
/* Alloc and init all Tx queues, including the command queue (#4/#9) */
for (txq_id = 0; txq_id < trans->trans_cfg->base_params->num_of_queues;
txq_id++) {
- bool cmd_queue = (txq_id == trans_pcie->cmd_queue);
+ bool cmd_queue = (txq_id == trans->txqs.cmd.q_id);
if (cmd_queue)
slots_num = max_t(u32, IWL_CMD_QUEUE_SIZE,
@@ -1000,14 +999,14 @@ static int iwl_pcie_tx_alloc(struct iwl_trans *trans)
else
slots_num = max_t(u32, IWL_DEFAULT_QUEUE_SIZE,
trans->cfg->min_256_ba_txq_size);
- trans_pcie->txq[txq_id] = &trans_pcie->txq_memory[txq_id];
- ret = iwl_pcie_txq_alloc(trans, trans_pcie->txq[txq_id],
+ trans->txqs.txq[txq_id] = &trans_pcie->txq_memory[txq_id];
+ ret = iwl_pcie_txq_alloc(trans, trans->txqs.txq[txq_id],
slots_num, cmd_queue);
if (ret) {
IWL_ERR(trans, "Tx %d queue alloc failed\n", txq_id);
goto error;
}
- trans_pcie->txq[txq_id]->id = txq_id;
+ trans->txqs.txq[txq_id]->id = txq_id;
}
return 0;
@@ -1046,7 +1045,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans)
/* Alloc and init all Tx queues, including the command queue (#4/#9) */
for (txq_id = 0; txq_id < trans->trans_cfg->base_params->num_of_queues;
txq_id++) {
- bool cmd_queue = (txq_id == trans_pcie->cmd_queue);
+ bool cmd_queue = (txq_id == trans->txqs.cmd.q_id);
if (cmd_queue)
slots_num = max_t(u32, IWL_CMD_QUEUE_SIZE,
@@ -1054,7 +1053,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans)
else
slots_num = max_t(u32, IWL_DEFAULT_QUEUE_SIZE,
trans->cfg->min_256_ba_txq_size);
- ret = iwl_pcie_txq_init(trans, trans_pcie->txq[txq_id],
+ ret = iwl_pcie_txq_init(trans, trans->txqs.txq[txq_id],
slots_num, cmd_queue);
if (ret) {
IWL_ERR(trans, "Tx %d queue init failed\n", txq_id);
@@ -1068,7 +1067,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans)
* Circular buffer (TFD queue in DRAM) physical base address
*/
iwl_write_direct32(trans, FH_MEM_CBBC_QUEUE(trans, txq_id),
- trans_pcie->txq[txq_id]->dma_addr >> 8);
+ trans->txqs.txq[txq_id]->dma_addr >> 8);
}
iwl_set_bits_prph(trans, SCD_GP_CTRL, SCD_GP_CTRL_AUTO_ACTIVE_MODE);
@@ -1113,18 +1112,18 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
struct sk_buff_head *skbs)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
int tfd_num = iwl_pcie_get_cmd_index(txq, ssn);
int read_ptr = iwl_pcie_get_cmd_index(txq, txq->read_ptr);
int last_to_free;
/* This function is not meant to release cmd queue*/
- if (WARN_ON(txq_id == trans_pcie->cmd_queue))
+ if (WARN_ON(txq_id == trans->txqs.cmd.q_id))
return;
spin_lock_bh(&txq->lock);
- if (!test_bit(txq_id, trans_pcie->queue_used)) {
+ if (!test_bit(txq_id, trans->txqs.queue_used)) {
IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
txq_id, ssn);
goto out;
@@ -1176,7 +1175,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
iwl_pcie_txq_progress(txq);
if (iwl_queue_space(trans, txq) > txq->low_mark &&
- test_bit(txq_id, trans_pcie->queue_stopped)) {
+ test_bit(txq_id, trans->txqs.queue_stopped)) {
struct sk_buff_head overflow_skbs;
__skb_queue_head_init(&overflow_skbs);
@@ -1229,8 +1228,7 @@ out:
/* Set wr_ptr of specific device and txq */
void iwl_trans_pcie_set_q_ptrs(struct iwl_trans *trans, int txq_id, int ptr)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
spin_lock_bh(&txq->lock);
@@ -1290,7 +1288,7 @@ static int iwl_pcie_set_cmd_in_flight(struct iwl_trans *trans,
static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
unsigned long flags;
int nfreed = 0;
u16 r;
@@ -1302,7 +1300,7 @@ static void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx)
if (idx >= trans->trans_cfg->base_params->max_tfd_queue_size ||
(!iwl_queue_used(txq, idx))) {
- WARN_ONCE(test_bit(txq_id, trans_pcie->queue_used),
+ WARN_ONCE(test_bit(txq_id, trans->txqs.queue_used),
"%s: Read index for DMA queue txq id (%d), index %d is out of range [0-%d] %d %d.\n",
__func__, txq_id, idx,
trans->trans_cfg->base_params->max_tfd_queue_size,
@@ -1364,11 +1362,11 @@ bool iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
unsigned int wdg_timeout)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
int fifo = -1;
bool scd_bug = false;
- if (test_and_set_bit(txq_id, trans_pcie->queue_used))
+ if (test_and_set_bit(txq_id, trans->txqs.queue_used))
WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
txq->wd_timeout = msecs_to_jiffies(wdg_timeout);
@@ -1377,7 +1375,7 @@ bool iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
fifo = cfg->fifo;
/* Disable the scheduler prior configuring the cmd queue */
- if (txq_id == trans_pcie->cmd_queue &&
+ if (txq_id == trans->txqs.cmd.q_id &&
trans_pcie->scd_set_active)
iwl_scd_enable_set_active(trans, 0);
@@ -1385,7 +1383,7 @@ bool iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
iwl_scd_txq_set_inactive(trans, txq_id);
/* Set this queue as a chain-building queue unless it is CMD */
- if (txq_id != trans_pcie->cmd_queue)
+ if (txq_id != trans->txqs.cmd.q_id)
iwl_scd_txq_set_chain(trans, txq_id);
if (cfg->aggregate) {
@@ -1455,7 +1453,7 @@ bool iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
SCD_QUEUE_STTS_REG_MSK);
/* enable the scheduler for this queue (only) */
- if (txq_id == trans_pcie->cmd_queue &&
+ if (txq_id == trans->txqs.cmd.q_id &&
trans_pcie->scd_set_active)
iwl_scd_enable_set_active(trans, BIT(txq_id));
@@ -1474,8 +1472,7 @@ bool iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id,
bool shared_mode)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[txq_id];
+ struct iwl_txq *txq = trans->txqs.txq[txq_id];
txq->ampdu = !shared_mode;
}
@@ -1488,8 +1485,8 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id,
SCD_TX_STTS_QUEUE_OFFSET(txq_id);
static const u32 zero_val[4] = {};
- trans_pcie->txq[txq_id]->frozen_expiry_remainder = 0;
- trans_pcie->txq[txq_id]->frozen = false;
+ trans->txqs.txq[txq_id]->frozen_expiry_remainder = 0;
+ trans->txqs.txq[txq_id]->frozen = false;
/*
* Upon HW Rfkill - we stop the device, and then stop the queues
@@ -1497,7 +1494,7 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id,
* allow the op_mode to call txq_disable after it already called
* stop_device.
*/
- if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
+ if (!test_and_clear_bit(txq_id, trans->txqs.queue_used)) {
WARN_ONCE(test_bit(STATUS_DEVICE_ENABLED, &trans->status),
"queue %d not used", txq_id);
return;
@@ -1511,7 +1508,7 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id,
}
iwl_pcie_txq_unmap(trans, txq_id);
- trans_pcie->txq[txq_id]->ampdu = false;
+ trans->txqs.txq[txq_id]->ampdu = false;
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
@@ -1531,7 +1528,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
struct iwl_device_cmd *out_cmd;
struct iwl_cmd_meta *out_meta;
unsigned long flags;
@@ -1657,7 +1654,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
sizeof(struct iwl_cmd_header_wide));
out_cmd->hdr_wide.reserved = 0;
out_cmd->hdr_wide.sequence =
- cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) |
+ cpu_to_le16(QUEUE_TO_SEQ(trans->txqs.cmd.q_id) |
INDEX_TO_SEQ(txq->write_ptr));
cmd_pos = sizeof(struct iwl_cmd_header_wide);
@@ -1665,7 +1662,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
} else {
out_cmd->hdr.cmd = iwl_cmd_opcode(cmd->id);
out_cmd->hdr.sequence =
- cpu_to_le16(QUEUE_TO_SEQ(trans_pcie->cmd_queue) |
+ cpu_to_le16(QUEUE_TO_SEQ(trans->txqs.cmd.q_id) |
INDEX_TO_SEQ(txq->write_ptr));
out_cmd->hdr.group_id = 0;
@@ -1716,7 +1713,7 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans,
iwl_get_cmd_string(trans, cmd->id),
group_id, out_cmd->hdr.cmd,
le16_to_cpu(out_cmd->hdr.sequence),
- cmd_size, txq->write_ptr, idx, trans_pcie->cmd_queue);
+ cmd_size, txq->write_ptr, idx, trans->txqs.cmd.q_id);
/* start the TFD with the minimum copy bytes */
tb0_size = min_t(int, copy_size, IWL_FIRST_TB_SIZE);
@@ -1816,14 +1813,14 @@ void iwl_pcie_hcmd_complete(struct iwl_trans *trans,
struct iwl_device_cmd *cmd;
struct iwl_cmd_meta *meta;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
/* If a Tx command is being handled and it isn't in the actual
* command queue then there a command routing bug has been introduced
* in the queue management code. */
- if (WARN(txq_id != trans_pcie->cmd_queue,
+ if (WARN(txq_id != trans->txqs.cmd.q_id,
"wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n",
- txq_id, trans_pcie->cmd_queue, sequence, txq->read_ptr,
+ txq_id, trans->txqs.cmd.q_id, sequence, txq->read_ptr,
txq->write_ptr)) {
iwl_print_hex_error(trans, pkt, 32);
return;
@@ -1895,7 +1892,7 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans,
struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- struct iwl_txq *txq = trans_pcie->txq[trans_pcie->cmd_queue];
+ struct iwl_txq *txq = trans->txqs.txq[trans->txqs.cmd.q_id];
int cmd_idx;
int ret;
@@ -2129,7 +2126,8 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
u16 tb1_len)
{
struct iwl_tx_cmd *tx_cmd = (void *)dev_cmd->payload;
- struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
+ struct iwl_trans_pcie *trans_pcie =
+ IWL_TRANS_GET_PCIE_TRANS(txq->trans);
struct ieee80211_hdr *hdr = (void *)skb->data;
unsigned int snap_ip_tcp_hdrlen, ip_hdrlen, total_len, hdr_room;
unsigned int mss = skb_shinfo(skb)->gso_size;
@@ -2332,9 +2330,9 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
u16 wifi_seq;
bool amsdu;
- txq = trans_pcie->txq[txq_id];
+ txq = trans->txqs.txq[txq_id];
- if (WARN_ONCE(!test_bit(txq_id, trans_pcie->queue_used),
+ if (WARN_ONCE(!test_bit(txq_id, trans->txqs.queue_used),
"TX on unused queue %d\n", txq_id))
return -EINVAL;
diff --git a/drivers/net/wireless/intersil/hostap/hostap_hw.c b/drivers/net/wireless/intersil/hostap/hostap_hw.c
index 58212c532c90..aadf3dec5bf3 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_hw.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_hw.c
@@ -3041,6 +3041,27 @@ static void prism2_clear_set_tim_queue(local_info_t *local)
}
}
+
+/*
+ * HostAP uses two layers of net devices, where the inner
+ * layer gets called all the time from the outer layer.
+ * This is a natural nesting, which needs a split lock type.
+ */
+static struct lock_class_key hostap_netdev_xmit_lock_key;
+
+static void prism2_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock,
+ &hostap_netdev_xmit_lock_key);
+}
+
+static void prism2_set_lockdep_class(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, prism2_set_lockdep_class_one, NULL);
+}
+
static struct net_device *
prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
struct device *sdev)
@@ -3199,6 +3220,7 @@ while (0)
if (ret >= 0)
ret = register_netdevice(dev);
+ prism2_set_lockdep_class(dev);
rtnl_unlock();
if (ret < 0) {
printk(KERN_WARNING "%s: register netdevice failed!\n",
diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c
index a2ee4693eaed..97c270845fd1 100644
--- a/drivers/net/wireless/intersil/hostap/hostap_proc.c
+++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c
@@ -149,6 +149,7 @@ static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
}
static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
+ __acquires(&local->lock)
{
local_info_t *local = PDE_DATA(file_inode(m->file));
spin_lock_bh(&local->lock);
@@ -162,6 +163,7 @@ static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos
}
static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
+ __releases(&local->lock)
{
local_info_t *local = PDE_DATA(file_inode(m->file));
spin_unlock_bh(&local->lock);
diff --git a/drivers/net/wireless/intersil/orinoco/spectrum_cs.c b/drivers/net/wireless/intersil/orinoco/spectrum_cs.c
index b60048c95e0a..291ef97ed45e 100644
--- a/drivers/net/wireless/intersil/orinoco/spectrum_cs.c
+++ b/drivers/net/wireless/intersil/orinoco/spectrum_cs.c
@@ -278,12 +278,11 @@ static int
spectrum_cs_suspend(struct pcmcia_device *link)
{
struct orinoco_private *priv = link->priv;
- int err = 0;
/* Mark the device as stopped, to block IO until later */
orinoco_down(priv);
- return err;
+ return 0;
}
static int
diff --git a/drivers/net/wireless/intersil/p54/p54usb.c b/drivers/net/wireless/intersil/p54/p54usb.c
index b94764c88750..ff0e30c0c14c 100644
--- a/drivers/net/wireless/intersil/p54/p54usb.c
+++ b/drivers/net/wireless/intersil/p54/p54usb.c
@@ -61,6 +61,7 @@ static const struct usb_device_id p54u_table[] = {
{USB_DEVICE(0x0db0, 0x6826)}, /* MSI UB54G (MS-6826) */
{USB_DEVICE(0x107b, 0x55f2)}, /* Gateway WGU-210 (Gemtek) */
{USB_DEVICE(0x124a, 0x4023)}, /* Shuttle PN15, Airvast WM168g, IOGear GWU513 */
+ {USB_DEVICE(0x124a, 0x4026)}, /* AirVasT USB wireless device */
{USB_DEVICE(0x1435, 0x0210)}, /* Inventel UR054G */
{USB_DEVICE(0x15a9, 0x0002)}, /* Gemtek WUBI-100GW 802.11g */
{USB_DEVICE(0x1630, 0x0005)}, /* 2Wire 802.11g USB (v1) / Z-Com */
diff --git a/drivers/net/wireless/intersil/prism54/isl_oid.h b/drivers/net/wireless/intersil/prism54/isl_oid.h
index 5441c1f9f2fc..1afc2ccf94ca 100644
--- a/drivers/net/wireless/intersil/prism54/isl_oid.h
+++ b/drivers/net/wireless/intersil/prism54/isl_oid.h
@@ -37,7 +37,7 @@ struct obj_mlmeex {
u16 state;
u16 code;
u16 size;
- u8 data[0];
+ u8 data[];
} __packed;
struct obj_buffer {
@@ -68,12 +68,12 @@ struct obj_bss {
struct obj_bsslist {
u32 nr;
- struct obj_bss bsslist[0];
+ struct obj_bss bsslist[];
} __packed;
struct obj_frequencies {
u16 nr;
- u16 mhz[0];
+ u16 mhz[];
} __packed;
struct obj_attachment {
@@ -81,7 +81,7 @@ struct obj_attachment {
char reserved;
short id;
short size;
- char data[0];
+ char data[];
} __packed;
/*
diff --git a/drivers/net/wireless/intersil/prism54/islpci_mgt.h b/drivers/net/wireless/intersil/prism54/islpci_mgt.h
index d6bbbac46b4a..1f87d0aea60c 100644
--- a/drivers/net/wireless/intersil/prism54/islpci_mgt.h
+++ b/drivers/net/wireless/intersil/prism54/islpci_mgt.h
@@ -99,7 +99,7 @@ struct islpci_mgmtframe {
pimfor_header_t *header; /* payload header, points into buf */
void *data; /* payload ex header, points into buf */
struct work_struct ws; /* argument for schedule_work() */
- char buf[0]; /* fragment buffer */
+ char buf[]; /* fragment buffer */
};
int
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 7c4b7c31d07a..1356e8cbe617 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -1068,6 +1068,47 @@ static int hwsim_unicast_netgroup(struct mac80211_hwsim_data *data,
return res;
}
+static void mac80211_hwsim_config_mac_nl(struct ieee80211_hw *hw,
+ const u8 *addr, bool add)
+{
+ struct mac80211_hwsim_data *data = hw->priv;
+ u32 _portid = READ_ONCE(data->wmediumd);
+ struct sk_buff *skb;
+ void *msg_head;
+
+ if (!_portid && !hwsim_virtio_enabled)
+ return;
+
+ skb = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!skb)
+ return;
+
+ msg_head = genlmsg_put(skb, 0, 0, &hwsim_genl_family, 0,
+ add ? HWSIM_CMD_ADD_MAC_ADDR :
+ HWSIM_CMD_DEL_MAC_ADDR);
+ if (!msg_head) {
+ pr_debug("mac80211_hwsim: problem with msg_head\n");
+ goto nla_put_failure;
+ }
+
+ if (nla_put(skb, HWSIM_ATTR_ADDR_TRANSMITTER,
+ ETH_ALEN, data->addresses[1].addr))
+ goto nla_put_failure;
+
+ if (nla_put(skb, HWSIM_ATTR_ADDR_RECEIVER, ETH_ALEN, addr))
+ goto nla_put_failure;
+
+ genlmsg_end(skb, msg_head);
+
+ if (hwsim_virtio_enabled)
+ hwsim_tx_virtio(data, skb);
+ else
+ hwsim_unicast_netgroup(data, skb, _portid);
+ return;
+nla_put_failure:
+ nlmsg_free(skb);
+}
+
static inline u16 trans_tx_rate_flags_ieee2hwsim(struct ieee80211_tx_rate *rate)
{
u16 result = 0;
@@ -1545,6 +1586,9 @@ static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
vif->addr);
hwsim_set_magic(vif);
+ if (vif->type != NL80211_IFTYPE_MONITOR)
+ mac80211_hwsim_config_mac_nl(hw, vif->addr, true);
+
vif->cab_queue = 0;
vif->hw_queue[IEEE80211_AC_VO] = 0;
vif->hw_queue[IEEE80211_AC_VI] = 1;
@@ -1584,6 +1628,8 @@ static void mac80211_hwsim_remove_interface(
vif->addr);
hwsim_check_magic(vif);
hwsim_clear_magic(vif);
+ if (vif->type != NL80211_IFTYPE_MONITOR)
+ mac80211_hwsim_config_mac_nl(hw, vif->addr, false);
}
static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
@@ -1781,6 +1827,8 @@ static void mac80211_hwsim_configure_filter(struct ieee80211_hw *hw,
data->rx_filter = 0;
if (*total_flags & FIF_ALLMULTI)
data->rx_filter |= FIF_ALLMULTI;
+ if (*total_flags & FIF_MCAST_ACTION)
+ data->rx_filter |= FIF_MCAST_ACTION;
*total_flags = data->rx_filter;
}
@@ -2104,6 +2152,8 @@ static void hw_scan_work(struct work_struct *work)
hwsim->hw_scan_vif = NULL;
hwsim->tmp_chan = NULL;
mutex_unlock(&hwsim->mutex);
+ mac80211_hwsim_config_mac_nl(hwsim->hw, hwsim->scan_addr,
+ false);
return;
}
@@ -2177,6 +2227,7 @@ static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
memset(hwsim->survey_data, 0, sizeof(hwsim->survey_data));
mutex_unlock(&hwsim->mutex);
+ mac80211_hwsim_config_mac_nl(hw, hwsim->scan_addr, true);
wiphy_dbg(hw->wiphy, "hwsim hw_scan request\n");
ieee80211_queue_delayed_work(hwsim->hw, &hwsim->hw_scan, 0);
@@ -2220,6 +2271,7 @@ static void mac80211_hwsim_sw_scan(struct ieee80211_hw *hw,
pr_debug("hwsim sw_scan request, prepping stuff\n");
memcpy(hwsim->scan_addr, mac_addr, ETH_ALEN);
+ mac80211_hwsim_config_mac_nl(hw, hwsim->scan_addr, true);
hwsim->scanning = true;
memset(hwsim->survey_data, 0, sizeof(hwsim->survey_data));
@@ -2236,6 +2288,7 @@ static void mac80211_hwsim_sw_scan_complete(struct ieee80211_hw *hw,
pr_debug("hwsim sw_scan_complete\n");
hwsim->scanning = false;
+ mac80211_hwsim_config_mac_nl(hw, hwsim->scan_addr, false);
eth_zero_addr(hwsim->scan_addr);
mutex_unlock(&hwsim->mutex);
@@ -2413,6 +2466,11 @@ static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw,
WARN_ON(i != MAC80211_HWSIM_SSTATS_LEN);
}
+static int mac80211_hwsim_tx_last_beacon(struct ieee80211_hw *hw)
+{
+ return 1;
+}
+
#define HWSIM_COMMON_OPS \
.tx = mac80211_hwsim_tx, \
.start = mac80211_hwsim_start, \
@@ -2423,6 +2481,7 @@ static void mac80211_hwsim_get_et_stats(struct ieee80211_hw *hw,
.config = mac80211_hwsim_config, \
.configure_filter = mac80211_hwsim_configure_filter, \
.bss_info_changed = mac80211_hwsim_bss_info_changed, \
+ .tx_last_beacon = mac80211_hwsim_tx_last_beacon, \
.sta_add = mac80211_hwsim_sta_add, \
.sta_remove = mac80211_hwsim_sta_remove, \
.sta_notify = mac80211_hwsim_sta_notify, \
@@ -2995,6 +3054,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
WIPHY_FLAG_AP_UAPSD |
+ WIPHY_FLAG_SUPPORTS_5_10_MHZ |
WIPHY_FLAG_HAS_CHANNEL_SWITCH;
hw->wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR |
NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE |
@@ -3003,6 +3063,10 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR;
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_BEACON_PROTECTION);
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
+ wiphy_ext_feature_set(hw->wiphy,
+ NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
hw->wiphy->interface_modes = param->iftypes;
@@ -4068,7 +4132,7 @@ static void hwsim_virtio_rx_work(struct work_struct *work)
}
vq = hwsim_vqs[HWSIM_VQ_RX];
sg_init_one(sg, skb->head, skb_end_offset(skb));
- err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL);
+ err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_ATOMIC);
if (WARN(err, "virtqueue_add_inbuf returned %d\n", err))
nlmsg_free(skb);
else
diff --git a/drivers/net/wireless/mac80211_hwsim.h b/drivers/net/wireless/mac80211_hwsim.h
index 28ade92adcb4..9dceed77c5d6 100644
--- a/drivers/net/wireless/mac80211_hwsim.h
+++ b/drivers/net/wireless/mac80211_hwsim.h
@@ -75,6 +75,12 @@ enum hwsim_tx_control_flags {
* @HWSIM_CMD_DEL_RADIO: destroy a radio, reply is multicasted
* @HWSIM_CMD_GET_RADIO: fetch information about existing radios, uses:
* %HWSIM_ATTR_RADIO_ID
+ * @HWSIM_CMD_ADD_MAC_ADDR: add a receive MAC address (given in the
+ * %HWSIM_ATTR_ADDR_RECEIVER attribute) to a device identified by
+ * %HWSIM_ATTR_ADDR_TRANSMITTER. This lets wmediumd forward frames
+ * to this receiver address for a given station.
+ * @HWSIM_CMD_DEL_MAC_ADDR: remove the MAC address again, the attributes
+ * are the same as to @HWSIM_CMD_ADD_MAC_ADDR.
* @__HWSIM_CMD_MAX: enum limit
*/
enum {
@@ -85,6 +91,8 @@ enum {
HWSIM_CMD_NEW_RADIO,
HWSIM_CMD_DEL_RADIO,
HWSIM_CMD_GET_RADIO,
+ HWSIM_CMD_ADD_MAC_ADDR,
+ HWSIM_CMD_DEL_MAC_ADDR,
__HWSIM_CMD_MAX,
};
#define HWSIM_CMD_MAX (_HWSIM_CMD_MAX - 1)
diff --git a/drivers/net/wireless/marvell/libertas/cmd.h b/drivers/net/wireless/marvell/libertas/cmd.h
index 80878561cb90..3c193074662b 100644
--- a/drivers/net/wireless/marvell/libertas/cmd.h
+++ b/drivers/net/wireless/marvell/libertas/cmd.h
@@ -76,7 +76,7 @@ void lbs_mac_event_disconnected(struct lbs_private *priv,
/* Events */
-int lbs_process_event(struct lbs_private *priv, u32 event);
+void lbs_process_event(struct lbs_private *priv, u32 event);
/* Actual commands */
diff --git a/drivers/net/wireless/marvell/libertas/cmdresp.c b/drivers/net/wireless/marvell/libertas/cmdresp.c
index b73d08381398..cb515c5584c1 100644
--- a/drivers/net/wireless/marvell/libertas/cmdresp.c
+++ b/drivers/net/wireless/marvell/libertas/cmdresp.c
@@ -220,9 +220,8 @@ done:
return ret;
}
-int lbs_process_event(struct lbs_private *priv, u32 event)
+void lbs_process_event(struct lbs_private *priv, u32 event)
{
- int ret = 0;
struct cmd_header cmd;
switch (event) {
@@ -351,6 +350,4 @@ int lbs_process_event(struct lbs_private *priv, u32 event)
netdev_alert(priv->dev, "EVENT: unknown event id %d\n", event);
break;
}
-
- return ret;
}
diff --git a/drivers/net/wireless/marvell/libertas/if_sdio.c b/drivers/net/wireless/marvell/libertas/if_sdio.c
index acf61b93b782..44fbd0acb87a 100644
--- a/drivers/net/wireless/marvell/libertas/if_sdio.c
+++ b/drivers/net/wireless/marvell/libertas/if_sdio.c
@@ -65,7 +65,7 @@ static const struct sdio_device_id if_sdio_ids[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL,
SDIO_DEVICE_ID_MARVELL_LIBERTAS) },
{ SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL,
- SDIO_DEVICE_ID_MARVELL_8688WLAN) },
+ SDIO_DEVICE_ID_MARVELL_8688_WLAN) },
{ /* end: all zeroes */ },
};
diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index 44c8a550da4c..f5b78257d551 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -828,10 +828,8 @@ static void lbs_persist_config_remove(struct net_device *dev)
* Check mesh FW version and appropriately send the mesh start
* command
*/
-int lbs_init_mesh(struct lbs_private *priv)
+void lbs_init_mesh(struct lbs_private *priv)
{
- int ret = 0;
-
/* Determine mesh_fw_ver from fwrelease and fwcapinfo */
/* 5.0.16p0 9.0.0.p0 is known to NOT support any mesh */
/* 5.110.22 have mesh command with 0xa3 command id */
@@ -870,8 +868,6 @@ int lbs_init_mesh(struct lbs_private *priv)
/* Stop meshing until interface is brought up */
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_STOP, 1);
-
- return ret;
}
void lbs_start_mesh(struct lbs_private *priv)
diff --git a/drivers/net/wireless/marvell/libertas/mesh.h b/drivers/net/wireless/marvell/libertas/mesh.h
index 1561018f226f..d49717b20c09 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.h
+++ b/drivers/net/wireless/marvell/libertas/mesh.h
@@ -16,7 +16,7 @@
struct net_device;
-int lbs_init_mesh(struct lbs_private *priv);
+void lbs_init_mesh(struct lbs_private *priv);
void lbs_start_mesh(struct lbs_private *priv);
int lbs_deinit_mesh(struct lbs_private *priv);
diff --git a/drivers/net/wireless/marvell/libertas/rx.c b/drivers/net/wireless/marvell/libertas/rx.c
index 58a1fc433b73..f28aa09d1f9e 100644
--- a/drivers/net/wireless/marvell/libertas/rx.c
+++ b/drivers/net/wireless/marvell/libertas/rx.c
@@ -62,9 +62,6 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
struct rxpd *p_rx_pd;
int hdrchop;
struct ethhdr *p_ethhdr;
- static const u8 rfc1042_eth_hdr[] = {
- 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00
- };
BUG_ON(!skb);
@@ -102,7 +99,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
sizeof(p_rx_pkt->eth803_hdr.src_addr));
if (memcmp(&p_rx_pkt->rfc1042_hdr,
- rfc1042_eth_hdr, sizeof(rfc1042_eth_hdr)) == 0) {
+ rfc1042_header, sizeof(rfc1042_header)) == 0) {
/*
* Replace the 803 header and rfc1042 header (llc/snap) with an
* EthernetII header, keep the src/dst and snap_type (ethertype)
diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
index 25ac9db35dbf..bedc09215088 100644
--- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
@@ -247,10 +247,10 @@ static void if_usb_disconnect(struct usb_interface *intf)
lbtf_deb_enter(LBTF_DEB_MAIN);
- if_usb_reset_device(priv);
-
- if (priv)
+ if (priv) {
+ if_usb_reset_device(priv);
lbtf_remove_card(priv);
+ }
/* Unlink and free urb */
if_usb_free(cardp);
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 1566d2197906..4e4f59c17ded 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -269,17 +269,12 @@ mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
* CFG802.11 operation handler to register a mgmt frame.
*/
static void
-mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+mwifiex_cfg80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
- u32 mask;
-
- if (reg)
- mask = priv->mgmt_frame_mask | BIT(frame_type >> 4);
- else
- mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4);
+ u32 mask = upd->interface_stypes;
if (mask != priv->mgmt_frame_mask) {
priv->mgmt_frame_mask = mask;
@@ -1496,7 +1491,8 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
- static struct mwifiex_sta_node *node;
+ struct mwifiex_sta_node *node;
+ int i;
if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) &&
priv->media_connected && idx == 0) {
@@ -1506,13 +1502,10 @@ mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST,
HostCmd_ACT_GEN_GET, 0, NULL, true);
- if (node && (&node->list == &priv->sta_list)) {
- node = NULL;
- return -ENOENT;
- }
-
- node = list_prepare_entry(node, &priv->sta_list, list);
- list_for_each_entry_continue(node, &priv->sta_list, list) {
+ i = 0;
+ list_for_each_entry(node, &priv->sta_list, list) {
+ if (i++ != idx)
+ continue;
ether_addr_copy(mac, node->mac_addr);
return mwifiex_dump_station_info(priv, node, sinfo);
}
@@ -4189,7 +4182,8 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.del_key = mwifiex_cfg80211_del_key,
.set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key,
.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
- .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
+ .update_mgmt_frame_registrations =
+ mwifiex_cfg80211_update_mgmt_frame_registrations,
.remain_on_channel = mwifiex_cfg80211_remain_on_channel,
.cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
.set_default_key = mwifiex_cfg80211_set_default_key,
@@ -4341,6 +4335,11 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta;
wiphy->n_iface_combinations = 1;
+ if (adapter->max_sta_conn > adapter->max_p2p_conn)
+ wiphy->max_ap_assoc_sta = adapter->max_sta_conn;
+ else
+ wiphy->max_ap_assoc_sta = adapter->max_p2p_conn;
+
/* Initialize cipher suits */
wiphy->cipher_suites = mwifiex_cipher_suites;
wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites);
diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
index 7e4b8cd52605..d068b9075c32 100644
--- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c
@@ -1495,6 +1495,7 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_ie_types_header *tlv;
struct hw_spec_api_rev *api_rev;
+ struct hw_spec_max_conn *max_conn;
u16 resp_size, api_id;
int i, left_len, parsed_len = 0;
@@ -1581,8 +1582,21 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
adapter->fw_api_ver =
api_rev->major_ver;
mwifiex_dbg(adapter, INFO,
- "Firmware api version %d\n",
- adapter->fw_api_ver);
+ "Firmware api version %d.%d\n",
+ adapter->fw_api_ver,
+ api_rev->minor_ver);
+ break;
+ case UAP_FW_API_VER_ID:
+ mwifiex_dbg(adapter, INFO,
+ "uAP api version %d.%d\n",
+ api_rev->major_ver,
+ api_rev->minor_ver);
+ break;
+ case CHANRPT_API_VER_ID:
+ mwifiex_dbg(adapter, INFO,
+ "channel report api version %d.%d\n",
+ api_rev->major_ver,
+ api_rev->minor_ver);
break;
default:
mwifiex_dbg(adapter, FATAL,
@@ -1591,6 +1605,17 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
break;
}
break;
+ case TLV_TYPE_MAX_CONN:
+ max_conn = (struct hw_spec_max_conn *)tlv;
+ adapter->max_p2p_conn = max_conn->max_p2p_conn;
+ adapter->max_sta_conn = max_conn->max_sta_conn;
+ mwifiex_dbg(adapter, INFO,
+ "max p2p connections: %u\n",
+ adapter->max_p2p_conn);
+ mwifiex_dbg(adapter, INFO,
+ "max sta connections: %u\n",
+ adapter->max_sta_conn);
+ break;
default:
mwifiex_dbg(adapter, FATAL,
"Unknown GET_HW_SPEC TLV type: %#x\n",
diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h
index a415d73a73e6..8047e307892e 100644
--- a/drivers/net/wireless/marvell/mwifiex/fw.h
+++ b/drivers/net/wireless/marvell/mwifiex/fw.h
@@ -220,6 +220,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_BSS_MODE (PROPRIETARY_TLV_BASE_ID + 206)
#define TLV_TYPE_RANDOM_MAC (PROPRIETARY_TLV_BASE_ID + 236)
#define TLV_TYPE_CHAN_ATTR_CFG (PROPRIETARY_TLV_BASE_ID + 237)
+#define TLV_TYPE_MAX_CONN (PROPRIETARY_TLV_BASE_ID + 279)
#define MWIFIEX_TX_DATA_BUF_SIZE_2K 2048
@@ -1052,6 +1053,8 @@ struct host_cmd_ds_802_11_ps_mode_enh {
enum API_VER_ID {
KEY_API_VER_ID = 1,
FW_API_VER_ID = 2,
+ UAP_FW_API_VER_ID = 3,
+ CHANRPT_API_VER_ID = 4,
};
struct hw_spec_api_rev {
@@ -2386,4 +2389,11 @@ struct mwifiex_opt_sleep_confirm {
__le16 action;
__le16 resp_ctrl;
} __packed;
+
+struct hw_spec_max_conn {
+ struct mwifiex_ie_types_header header;
+ u8 max_p2p_conn;
+ u8 max_sta_conn;
+} __packed;
+
#endif /* !_MWIFIEX_FW_H_ */
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index afaffc325452..5923c5c14c8d 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -1022,6 +1022,7 @@ struct mwifiex_adapter {
bool ext_scan;
u8 fw_api_ver;
u8 key_api_major_ver, key_api_minor_ver;
+ u8 max_p2p_conn, max_sta_conn;
struct memory_type_mapping *mem_type_mapping_tbl;
u8 num_mem_types;
bool scan_chan_gap_enabled;
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 6a2dcb01caf4..a042965962a2 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -480,45 +480,25 @@ static void mwifiex_sdio_coredump(struct device *dev)
schedule_work(&card->work);
}
-/* Device ID for SD8786 */
-#define SDIO_DEVICE_ID_MARVELL_8786 (0x9116)
-/* Device ID for SD8787 */
-#define SDIO_DEVICE_ID_MARVELL_8787 (0x9119)
-/* Device ID for SD8797 */
-#define SDIO_DEVICE_ID_MARVELL_8797 (0x9129)
-/* Device ID for SD8897 */
-#define SDIO_DEVICE_ID_MARVELL_8897 (0x912d)
-/* Device ID for SD8887 */
-#define SDIO_DEVICE_ID_MARVELL_8887 (0x9135)
-/* Device ID for SD8801 */
-#define SDIO_DEVICE_ID_MARVELL_8801 (0x9139)
-/* Device ID for SD8977 */
-#define SDIO_DEVICE_ID_MARVELL_8977 (0x9145)
-/* Device ID for SD8987 */
-#define SDIO_DEVICE_ID_MARVELL_8987 (0x9149)
-/* Device ID for SD8997 */
-#define SDIO_DEVICE_ID_MARVELL_8997 (0x9141)
-
-
/* WLAN IDs */
static const struct sdio_device_id mwifiex_ids[] = {
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8786_WLAN),
.driver_data = (unsigned long) &mwifiex_sdio_sd8786},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787_WLAN),
.driver_data = (unsigned long) &mwifiex_sdio_sd8787},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_WLAN),
.driver_data = (unsigned long) &mwifiex_sdio_sd8797},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8897_WLAN),
.driver_data = (unsigned long) &mwifiex_sdio_sd8897},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8887_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8887},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8801_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8801},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8977_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8977},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8987_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8987},
- {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997),
+ {SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8997_WLAN),
.driver_data = (unsigned long)&mwifiex_sdio_sd8997},
{},
};
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
index 0bd93f26bd7f..8bd355d7974e 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
@@ -853,43 +853,36 @@ mwifiex_cmd_802_11_key_material_v1(struct mwifiex_private *priv,
memset(&key_material->key_param_set, 0,
sizeof(struct mwifiex_ie_type_key_param_set));
if (enc_key->is_wapi_key) {
+ struct mwifiex_ie_type_key_param_set *set;
+
mwifiex_dbg(priv->adapter, INFO, "info: Set WAPI Key\n");
- key_material->key_param_set.key_type_id =
- cpu_to_le16(KEY_TYPE_ID_WAPI);
+ set = &key_material->key_param_set;
+ set->key_type_id = cpu_to_le16(KEY_TYPE_ID_WAPI);
if (cmd_oid == KEY_INFO_ENABLED)
- key_material->key_param_set.key_info =
- cpu_to_le16(KEY_ENABLED);
+ set->key_info = cpu_to_le16(KEY_ENABLED);
else
- key_material->key_param_set.key_info =
- cpu_to_le16(!KEY_ENABLED);
+ set->key_info = cpu_to_le16(!KEY_ENABLED);
- key_material->key_param_set.key[0] = enc_key->key_index;
+ set->key[0] = enc_key->key_index;
if (!priv->sec_info.wapi_key_on)
- key_material->key_param_set.key[1] = 1;
+ set->key[1] = 1;
else
/* set 0 when re-key */
- key_material->key_param_set.key[1] = 0;
+ set->key[1] = 0;
if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
/* WAPI pairwise key: unicast */
- key_material->key_param_set.key_info |=
- cpu_to_le16(KEY_UNICAST);
+ set->key_info |= cpu_to_le16(KEY_UNICAST);
} else { /* WAPI group key: multicast */
- key_material->key_param_set.key_info |=
- cpu_to_le16(KEY_MCAST);
+ set->key_info |= cpu_to_le16(KEY_MCAST);
priv->sec_info.wapi_key_on = true;
}
- key_material->key_param_set.type =
- cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
- key_material->key_param_set.key_len =
- cpu_to_le16(WAPI_KEY_LEN);
- memcpy(&key_material->key_param_set.key[2],
- enc_key->key_material, enc_key->key_len);
- memcpy(&key_material->key_param_set.key[2 + enc_key->key_len],
- enc_key->pn, PN_LEN);
- key_material->key_param_set.length =
- cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
+ set->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+ set->key_len = cpu_to_le16(WAPI_KEY_LEN);
+ memcpy(&set->key[2], enc_key->key_material, enc_key->key_len);
+ memcpy(&set->key[2 + enc_key->key_len], enc_key->pn, PN_LEN);
+ set->length = cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
sizeof(struct mwifiex_ie_types_header);
diff --git a/drivers/net/wireless/marvell/mwl8k.c b/drivers/net/wireless/marvell/mwl8k.c
index 47fb4b3ea004..97f23f93f6e7 100644
--- a/drivers/net/wireless/marvell/mwl8k.c
+++ b/drivers/net/wireless/marvell/mwl8k.c
@@ -2668,7 +2668,7 @@ struct mwl8k_cmd_mac_multicast_adr {
struct mwl8k_cmd_pkt header;
__le16 action;
__le16 numaddr;
- __u8 addr[0][ETH_ALEN];
+ __u8 addr[][ETH_ALEN];
};
#define MWL8K_ENABLE_RX_DIRECTED 0x0001
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index cbc2d8a5d354..41533a0e1720 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -24,3 +24,4 @@ source "drivers/net/wireless/mediatek/mt76/mt76x0/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig"
+source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig"
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index d7a1ddc9e407..ef663b873b0b 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -26,4 +26,5 @@ mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o
obj-$(CONFIG_MT76x0_COMMON) += mt76x0/
obj-$(CONFIG_MT76x2_COMMON) += mt76x2/
obj-$(CONFIG_MT7603E) += mt7603/
-obj-$(CONFIG_MT7615E) += mt7615/
+obj-$(CONFIG_MT7615_COMMON) += mt7615/
+obj-$(CONFIG_MT7915E) += mt7915/
diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c
index f77f03530259..df25c00d9e06 100644
--- a/drivers/net/wireless/mediatek/mt76/agg-rx.c
+++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c
@@ -119,7 +119,7 @@ static void
mt76_rx_aggr_check_ctl(struct sk_buff *skb, struct sk_buff_head *frames)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
- struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;
+ struct ieee80211_bar *bar = mt76_skb_get_hdr(skb);
struct mt76_wcid *wcid = status->wcid;
struct mt76_rx_tid *tid;
u16 seqno;
@@ -147,13 +147,13 @@ mt76_rx_aggr_check_ctl(struct sk_buff *skb, struct sk_buff_head *frames)
void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
struct mt76_wcid *wcid = status->wcid;
struct ieee80211_sta *sta;
struct mt76_rx_tid *tid;
bool sn_less;
- u16 seqno, head, size;
- u8 ackp, idx;
+ u16 seqno, head, size, idx;
+ u8 ackp;
__skb_queue_tail(frames, skb);
@@ -239,7 +239,7 @@ out:
}
int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tidno,
- u16 ssn, u8 size)
+ u16 ssn, u16 size)
{
struct mt76_rx_tid *tid;
@@ -264,7 +264,7 @@ EXPORT_SYMBOL_GPL(mt76_rx_aggr_start);
static void mt76_rx_aggr_shutdown(struct mt76_dev *dev, struct mt76_rx_tid *tid)
{
- u8 size = tid->size;
+ u16 size = tid->size;
int i;
spin_lock_bh(&tid->lock);
diff --git a/drivers/net/wireless/mediatek/mt76/debugfs.c b/drivers/net/wireless/mediatek/mt76/debugfs.c
index d2202acb8dc6..3a5de1d1b121 100644
--- a/drivers/net/wireless/mediatek/mt76/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c
@@ -46,6 +46,25 @@ int mt76_queues_read(struct seq_file *s, void *data)
}
EXPORT_SYMBOL_GPL(mt76_queues_read);
+static int mt76_rx_queues_read(struct seq_file *s, void *data)
+{
+ struct mt76_dev *dev = dev_get_drvdata(s->private);
+ int i, queued;
+
+ mt76_for_each_q_rx(dev, i) {
+ struct mt76_queue *q = &dev->q_rx[i];
+
+ if (!q->ndesc)
+ continue;
+
+ queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
+ seq_printf(s, "%d: queued=%d head=%d tail=%d\n",
+ i, queued, q->head, q->tail);
+ }
+
+ return 0;
+}
+
void mt76_seq_puts_array(struct seq_file *file, const char *str,
s8 *val, int len)
{
@@ -92,6 +111,8 @@ struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
debugfs_create_blob("otp", 0400, dir, &dev->otp);
debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
mt76_read_rate_txpower);
+ debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
+ mt76_rx_queues_read);
return dir;
}
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 75e659774e07..f4d6074fe32a 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -576,7 +576,7 @@ mt76_dma_init(struct mt76_dev *dev)
init_dummy_netdev(&dev->napi_dev);
- for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) {
+ mt76_for_each_q_rx(dev, i) {
netif_napi_add(&dev->napi_dev, &dev->napi[i], mt76_dma_rx_poll,
64);
mt76_dma_rx_fill(dev, &dev->q_rx[i]);
@@ -610,7 +610,7 @@ void mt76_dma_cleanup(struct mt76_dev *dev)
for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++)
mt76_dma_tx_cleanup(dev, i, true);
- for (i = 0; i < ARRAY_SIZE(dev->q_rx); i++) {
+ mt76_for_each_q_rx(dev, i) {
netif_napi_del(&dev->napi[i]);
mt76_dma_rx_cleanup(dev, &dev->q_rx[i]);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index f44f99184c10..907098101898 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -116,12 +116,12 @@ static void mt76_led_cleanup(struct mt76_dev *dev)
led_classdev_unregister(&dev->led_cdev);
}
-static void mt76_init_stream_cap(struct mt76_dev *dev,
+static void mt76_init_stream_cap(struct mt76_phy *phy,
struct ieee80211_supported_band *sband,
bool vht)
{
struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
- int i, nstream = hweight8(dev->phy.antenna_mask);
+ int i, nstream = hweight8(phy->antenna_mask);
struct ieee80211_sta_vht_cap *vht_cap;
u16 mcs_map = 0;
@@ -153,12 +153,12 @@ static void mt76_init_stream_cap(struct mt76_dev *dev,
vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
}
-void mt76_set_stream_caps(struct mt76_dev *dev, bool vht)
+void mt76_set_stream_caps(struct mt76_phy *phy, bool vht)
{
- if (dev->cap.has_2ghz)
- mt76_init_stream_cap(dev, &dev->phy.sband_2g.sband, false);
- if (dev->cap.has_5ghz)
- mt76_init_stream_cap(dev, &dev->phy.sband_5g.sband, vht);
+ if (phy->dev->cap.has_2ghz)
+ mt76_init_stream_cap(phy, &phy->sband_2g.sband, false);
+ if (phy->dev->cap.has_5ghz)
+ mt76_init_stream_cap(phy, &phy->sband_5g.sband, vht);
}
EXPORT_SYMBOL_GPL(mt76_set_stream_caps);
@@ -198,9 +198,8 @@ mt76_init_sband(struct mt76_dev *dev, struct mt76_sband *msband,
ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
- ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
- mt76_init_stream_cap(dev, sband, vht);
+ mt76_init_stream_cap(&dev->phy, sband, vht);
if (!vht)
return 0;
@@ -279,7 +278,8 @@ mt76_phy_init(struct mt76_dev *dev, struct ieee80211_hw *hw)
SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);
wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
- wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
+ WIPHY_FLAG_SUPPORTS_TDLS;
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
@@ -294,7 +294,6 @@ mt76_phy_init(struct mt76_dev *dev, struct ieee80211_hw *hw)
hw->max_tx_fragments = 16;
ieee80211_hw_set(hw, SIGNAL_DBM);
- ieee80211_hw_set(hw, PS_NULLFUNC_STACK);
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
ieee80211_hw_set(hw, SUPPORTS_RC_TABLE);
ieee80211_hw_set(hw, SUPPORT_FAST_XMIT);
@@ -314,6 +313,8 @@ mt76_phy_init(struct mt76_dev *dev, struct ieee80211_hw *hw)
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_ADHOC);
}
@@ -677,7 +678,6 @@ mt76_rx_convert(struct mt76_dev *dev, struct sk_buff *skb,
struct ieee80211_hw **hw,
struct ieee80211_sta **sta)
{
-
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct mt76_rx_status mstat;
@@ -689,6 +689,9 @@ mt76_rx_convert(struct mt76_dev *dev, struct sk_buff *skb,
status->enc_flags = mstat.enc_flags;
status->encoding = mstat.encoding;
status->bw = mstat.bw;
+ status->he_ru = mstat.he_ru;
+ status->he_gi = mstat.he_gi;
+ status->he_dcm = mstat.he_dcm;
status->rate_idx = mstat.rate_idx;
status->nss = mstat.nss;
status->band = mstat.band;
@@ -725,7 +728,7 @@ mt76_check_ccmp_pn(struct sk_buff *skb)
* Validate the first fragment both here and in mac80211
* All further fragments will be validated by mac80211 only.
*/
- hdr = (struct ieee80211_hdr *)skb->data;
+ hdr = mt76_skb_get_hdr(skb);
if (ieee80211_is_frag(hdr) &&
!ieee80211_is_first_frag(hdr->frame_control))
return 0;
@@ -798,7 +801,7 @@ mt76_airtime_flush_ampdu(struct mt76_dev *dev)
static void
mt76_airtime_check(struct mt76_dev *dev, struct sk_buff *skb)
{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
struct mt76_wcid *wcid = status->wcid;
@@ -835,7 +838,7 @@ static void
mt76_check_sta(struct mt76_dev *dev, struct sk_buff *skb)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct ieee80211_hdr *hdr = mt76_skb_get_hdr(skb);
struct ieee80211_sta *sta;
struct ieee80211_hw *hw;
struct mt76_wcid *wcid = status->wcid;
diff --git a/drivers/net/wireless/mediatek/mt76/mcu.c b/drivers/net/wireless/mediatek/mt76/mcu.c
index 4048f446e3ee..ade61a5334c6 100644
--- a/drivers/net/wireless/mediatek/mt76/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mcu.c
@@ -6,10 +6,11 @@
#include "mt76.h"
struct sk_buff *
-mt76_mcu_msg_alloc(const void *data, int head_len,
- int data_len, int tail_len)
+mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
+ int data_len)
{
- int length = head_len + data_len + tail_len;
+ const struct mt76_mcu_ops *ops = dev->mcu_ops;
+ int length = ops->headroom + data_len + ops->tailroom;
struct sk_buff *skb;
skb = alloc_skb(length, GFP_KERNEL);
@@ -17,7 +18,7 @@ mt76_mcu_msg_alloc(const void *data, int head_len,
return NULL;
memset(skb->head, 0, length);
- skb_reserve(skb, head_len);
+ skb_reserve(skb, ops->headroom);
if (data && data_len)
skb_put_data(skb, data, data_len);
diff --git a/drivers/net/wireless/mediatek/mt76/mmio.c b/drivers/net/wireless/mediatek/mt76/mmio.c
index 7ead6620bb8b..26353b6bce97 100644
--- a/drivers/net/wireless/mediatek/mt76/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mmio.c
@@ -73,7 +73,8 @@ void mt76_set_irq_mask(struct mt76_dev *dev, u32 addr,
spin_lock_irqsave(&dev->mmio.irq_lock, flags);
dev->mmio.irqmask &= ~clear;
dev->mmio.irqmask |= set;
- mt76_mmio_wr(dev, addr, dev->mmio.irqmask);
+ if (addr)
+ mt76_mmio_wr(dev, addr, dev->mmio.irqmask);
spin_unlock_irqrestore(&dev->mmio.irq_lock, flags);
}
EXPORT_SYMBOL_GPL(mt76_set_irq_mask);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 8e4759bc8f59..dfe625a53c63 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -60,6 +60,7 @@ enum mt76_txq_id {
MT_TXQ_BK = IEEE80211_AC_BK,
MT_TXQ_PSD,
MT_TXQ_MCU,
+ MT_TXQ_MCU_WA,
MT_TXQ_BEACON,
MT_TXQ_CAB,
MT_TXQ_FWDL,
@@ -69,6 +70,7 @@ enum mt76_txq_id {
enum mt76_rxq_id {
MT_RXQ_MAIN,
MT_RXQ_MCU,
+ MT_RXQ_MCU_WA,
__MT_RXQ_MAX
};
@@ -137,6 +139,9 @@ struct mt76_sw_queue {
};
struct mt76_mcu_ops {
+ u32 headroom;
+ u32 tailroom;
+
int (*mcu_send_msg)(struct mt76_dev *dev, int cmd, const void *data,
int len, bool wait_resp);
int (*mcu_skb_send_msg)(struct mt76_dev *dev, struct sk_buff *skb,
@@ -178,7 +183,7 @@ enum mt76_wcid_flags {
MT_WCID_FLAG_PS,
};
-#define MT76_N_WCIDS 128
+#define MT76_N_WCIDS 288
/* stored in ieee80211_tx_info::hw_queue */
#define MT_TX_HW_QUEUE_EXT_PHY BIT(3)
@@ -198,7 +203,7 @@ struct mt76_wcid {
struct ewma_signal rssi;
int inactive_count;
- u8 idx;
+ u16 idx;
u8 hw_key_idx;
u8 sta:1;
@@ -241,8 +246,8 @@ struct mt76_rx_tid {
struct delayed_work reorder_work;
u16 head;
- u8 size;
- u8 nframes;
+ u16 size;
+ u16 nframes;
u8 num;
@@ -265,7 +270,7 @@ struct mt76_rx_tid {
struct mt76_tx_cb {
unsigned long jiffies;
- u8 wcid;
+ u16 wcid;
u8 pktid;
u8 flags;
};
@@ -275,10 +280,16 @@ enum {
MT76_STATE_RUNNING,
MT76_STATE_MCU_RUNNING,
MT76_SCANNING,
+ MT76_HW_SCANNING,
+ MT76_HW_SCHED_SCANNING,
+ MT76_RESTART,
MT76_RESET,
MT76_MCU_RESET,
MT76_REMOVED,
MT76_READING_STATS,
+ MT76_STATE_POWER_OFF,
+ MT76_STATE_SUSPEND,
+ MT76_STATE_ROC,
};
struct mt76_hw_cap {
@@ -372,6 +383,7 @@ enum mt_vendor_req {
MT_VEND_READ_CFG = 0x47,
MT_VEND_READ_EXT = 0x63,
MT_VEND_WRITE_EXT = 0x66,
+ MT_VEND_FEATURE_SET = 0x91,
};
enum mt76u_in_ep {
@@ -435,7 +447,7 @@ struct mt76_mmio {
struct mt76_rx_status {
union {
struct mt76_wcid *wcid;
- u8 wcid_idx;
+ u16 wcid_idx;
};
unsigned long reorder_time;
@@ -452,7 +464,8 @@ struct mt76_rx_status {
u16 freq;
u32 flag;
u8 enc_flags;
- u8 encoding:2, bw:3;
+ u8 encoding:2, bw:3, he_ru:3;
+ u8 he_gi:2, he_dcm:1;
u8 rate_idx;
u8 nss;
u8 band;
@@ -524,8 +537,8 @@ struct mt76_dev {
wait_queue_head_t tx_wait;
struct sk_buff_head status_list;
- unsigned long wcid_mask[MT76_N_WCIDS / BITS_PER_LONG];
- unsigned long wcid_phy_mask[MT76_N_WCIDS / BITS_PER_LONG];
+ u32 wcid_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
+ u32 wcid_phy_mask[DIV_ROUND_UP(MT76_N_WCIDS, 32)];
struct mt76_wcid global_wcid;
struct mt76_wcid __rcu *wcid[MT76_N_WCIDS];
@@ -570,6 +583,10 @@ enum mt76_phy_type {
MT_PHY_TYPE_HT,
MT_PHY_TYPE_HT_GF,
MT_PHY_TYPE_VHT,
+ MT_PHY_TYPE_HE_SU = 8,
+ MT_PHY_TYPE_HE_EXT_SU,
+ MT_PHY_TYPE_HE_TB,
+ MT_PHY_TYPE_HE_MU,
};
#define __mt76_rr(dev, ...) (dev)->bus->rr((dev), __VA_ARGS__)
@@ -611,7 +628,7 @@ enum mt76_phy_type {
#define mt76_hw(dev) (dev)->mphy.hw
static inline struct ieee80211_hw *
-mt76_wcid_hw(struct mt76_dev *dev, u8 wcid)
+mt76_wcid_hw(struct mt76_dev *dev, u16 wcid)
{
if (wcid <= MT76_N_WCIDS &&
mt76_wcid_mask_test(dev->wcid_phy_mask, wcid))
@@ -654,6 +671,10 @@ static inline u16 mt76_rev(struct mt76_dev *dev)
#define mt76_queue_tx_cleanup(dev, ...) (dev)->mt76.queue_ops->tx_cleanup(&((dev)->mt76), __VA_ARGS__)
#define mt76_queue_kick(dev, ...) (dev)->mt76.queue_ops->kick(&((dev)->mt76), __VA_ARGS__)
+#define mt76_for_each_q_rx(dev, i) \
+ for (i = 0; i < ARRAY_SIZE((dev)->q_rx) && \
+ (dev)->q_rx[i].ndesc; i++)
+
struct mt76_dev *mt76_alloc_device(struct device *pdev, unsigned int size,
const struct ieee80211_ops *ops,
const struct mt76_driver_ops *drv_ops);
@@ -735,6 +756,25 @@ static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
return ((void *)IEEE80211_SKB_CB(skb)->status.status_driver_data);
}
+static inline void *mt76_skb_get_hdr(struct sk_buff *skb)
+{
+ struct mt76_rx_status mstat;
+ u8 *data = skb->data;
+
+ /* Alignment concerns */
+ BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he) % 4);
+ BUILD_BUG_ON(sizeof(struct ieee80211_radiotap_he_mu) % 4);
+
+ mstat = *((struct mt76_rx_status *)skb->cb);
+
+ if (mstat.flag & RX_FLAG_RADIOTAP_HE)
+ data += sizeof(struct ieee80211_radiotap_he);
+ if (mstat.flag & RX_FLAG_RADIOTAP_HE_MU)
+ data += sizeof(struct ieee80211_radiotap_he_mu);
+
+ return data;
+}
+
static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
{
int len = ieee80211_get_hdrlen_from_skb(skb);
@@ -785,10 +825,10 @@ void mt76_set_channel(struct mt76_phy *phy);
void mt76_update_survey(struct mt76_dev *dev);
int mt76_get_survey(struct ieee80211_hw *hw, int idx,
struct survey_info *survey);
-void mt76_set_stream_caps(struct mt76_dev *dev, bool vht);
+void mt76_set_stream_caps(struct mt76_phy *phy, bool vht);
int mt76_rx_aggr_start(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid,
- u16 ssn, u8 size);
+ u16 ssn, u16 size);
void mt76_rx_aggr_stop(struct mt76_dev *dev, struct mt76_wcid *wcid, u8 tid);
void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid,
@@ -911,8 +951,8 @@ int mt76u_resume_rx(struct mt76_dev *dev);
void mt76u_queues_deinit(struct mt76_dev *dev);
struct sk_buff *
-mt76_mcu_msg_alloc(const void *data, int head_len,
- int data_len, int tail_len);
+mt76_mcu_msg_alloc(struct mt76_dev *dev, const void *data,
+ int data_len);
void mt76_mcu_rx_event(struct mt76_dev *dev, struct sk_buff *skb);
struct sk_buff *mt76_mcu_get_response(struct mt76_dev *dev,
unsigned long expires);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
index cc7c788abedd..8ce6880b2bb8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c
@@ -113,7 +113,7 @@ void mt7603_init_debugfs(struct mt7603_dev *dev)
return;
debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
- debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+ debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
debugfs_create_u32("reset_test", 0600, dir, &dev->reset_test);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
index 2b6a4d8a8dc7..3ee06e2577b8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/eeprom.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: ISC
+#include <linux/of.h>
#include "mt7603.h"
#include "eeprom.h"
@@ -100,10 +101,14 @@ mt7603_apply_cal_free_data(struct mt7603_dev *dev, u8 *efuse)
MT_EE_TX_POWER_1_START_2G,
MT_EE_TX_POWER_1_START_2G + 1,
};
+ struct device_node *np = dev->mt76.dev->of_node;
u8 *eeprom = dev->mt76.eeprom.data;
int n = ARRAY_SIZE(cal_free_bytes);
int i;
+ if (!np || !of_property_read_bool(np, "mediatek,eeprom-merge-otp"))
+ return;
+
if (!mt7603_has_cal_free_data(dev, efuse))
return;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
index f641a8b56b39..94196599797e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c
@@ -342,6 +342,8 @@ static const struct ieee80211_iface_limit if_limits[] = {
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP)
},
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
index 39b7c5d6e6cd..8060c1514396 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c
@@ -51,10 +51,11 @@ void mt7603_mac_set_timing(struct mt7603_dev *dev)
int offset = 3 * dev->coverage_class;
u32 reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
+ bool is_5ghz = dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ;
int sifs;
u32 val;
- if (dev->mphy.chandef.chan->band == NL80211_BAND_5GHZ)
+ if (is_5ghz)
sifs = 16;
else
sifs = 10;
@@ -71,7 +72,7 @@ void mt7603_mac_set_timing(struct mt7603_dev *dev)
FIELD_PREP(MT_IFS_SIFS, sifs) |
FIELD_PREP(MT_IFS_SLOT, dev->slottime));
- if (dev->slottime < 20)
+ if (dev->slottime < 20 || is_5ghz)
val = MT7603_CFEND_RATE_DEFAULT;
else
val = MT7603_CFEND_RATE_11B;
@@ -318,11 +319,16 @@ void mt7603_wtbl_update_cap(struct mt7603_dev *dev, struct ieee80211_sta *sta)
{
struct mt7603_sta *msta = (struct mt7603_sta *)sta->drv_priv;
int idx = msta->wcid.idx;
+ u8 ampdu_density;
u32 addr;
u32 val;
addr = mt7603_wtbl1_addr(idx);
+ ampdu_density = sta->ht_cap.ampdu_density;
+ if (ampdu_density < IEEE80211_HT_MPDU_DENSITY_4)
+ ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
+
val = mt76_rr(dev, addr + 2 * 4);
val &= MT_WTBL1_W2_KEY_TYPE | MT_WTBL1_W2_ADMISSION_CONTROL;
val |= FIELD_PREP(MT_WTBL1_W2_AMPDU_FACTOR, sta->ht_cap.ampdu_factor) |
@@ -467,7 +473,7 @@ mt7603_rx_get_wcid(struct mt7603_dev *dev, u8 idx, bool unicast)
struct mt7603_sta *sta;
struct mt76_wcid *wcid;
- if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+ if (idx >= MT7603_WTBL_SIZE)
return NULL;
wcid = rcu_dereference(dev->mt76.wcid[idx]);
@@ -1097,7 +1103,7 @@ mt7603_fill_txs(struct mt7603_dev *dev, struct mt7603_sta *sta,
if (ampdu || (info->flags & IEEE80211_TX_CTL_AMPDU))
info->flags |= IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_CTL_AMPDU;
- first_idx = max_t(int, 0, last_idx - (count + 1) / MT7603_RATE_RETRY);
+ first_idx = max_t(int, 0, last_idx - (count - 1) / MT7603_RATE_RETRY);
if (fixed_rate && !probe) {
info->status.rates[0].count = count;
@@ -1232,7 +1238,7 @@ void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data)
if (pid == MT_PACKET_ID_NO_ACK)
return;
- if (wcidx >= ARRAY_SIZE(dev->mt76.wcid))
+ if (wcidx >= MT7603_WTBL_SIZE)
return;
rcu_read_lock();
@@ -1432,8 +1438,9 @@ static void mt7603_mac_watchdog_reset(struct mt7603_dev *dev)
for (i = 0; i < __MT_TXQ_MAX; i++)
mt76_queue_tx_cleanup(dev, i, true);
- for (i = 0; i < ARRAY_SIZE(dev->mt76.q_rx); i++)
+ mt76_for_each_q_rx(&dev->mt76, i) {
mt76_queue_rx_reset(dev, i);
+ }
mt7603_dma_sched_reset(dev);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c
index 77985d81c447..a47a3a644ecc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.c
@@ -62,7 +62,7 @@ mt7603_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
struct sk_buff *skb;
int ret, seq;
- skb = mt7603_mcu_msg_alloc(data, len);
+ skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
@@ -265,6 +265,7 @@ out:
int mt7603_mcu_init(struct mt7603_dev *dev)
{
static const struct mt76_mcu_ops mt7603_mcu_ops = {
+ .headroom = sizeof(struct mt7603_mcu_txd),
.mcu_send_msg = mt7603_mcu_msg_send,
.mcu_restart = mt7603_mcu_restart,
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.h
index 1bba369d5c8a..30df8a3fd11a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/mcu.h
@@ -100,11 +100,4 @@ enum {
MCU_EXT_EVENT_BCN_UPDATE = 0x31,
};
-static inline struct sk_buff *
-mt7603_mcu_msg_alloc(const void *data, int len)
-{
- return mt76_mcu_msg_alloc(data, sizeof(struct mt7603_mcu_txd),
- len, 0);
-}
-
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
index 68efb300c0d8..de170765e938 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
@@ -20,10 +20,8 @@ mt76_wmac_probe(struct platform_device *pdev)
return irq;
mem_base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(mem_base)) {
- dev_err(&pdev->dev, "Failed to get memory resource\n");
+ if (IS_ERR(mem_base))
return PTR_ERR(mem_base);
- }
mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
&mt7603_drv_ops);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
index 6afd4aea67ed..e25db1135eda 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/Kconfig
@@ -1,7 +1,12 @@
# SPDX-License-Identifier: GPL-2.0-only
-config MT7615E
- tristate "MediaTek MT7615E (PCIe) support"
+
+config MT7615_COMMON
+ tristate
select MT76_CORE
+
+config MT7615E
+ tristate "MediaTek MT7615E and MT7663E (PCIe) support"
+ select MT7615_COMMON
depends on MAC80211
depends on PCI
help
@@ -22,3 +27,14 @@ config MT7622_WMAC
This adds support for the built-in WMAC on MT7622 SoC devices
which has the same feature set as a MT7615, but limited to
2.4 GHz only.
+
+config MT7663U
+ tristate "MediaTek MT7663U (USB) support"
+ select MT76_USB
+ select MT7615_COMMON
+ depends on MAC80211
+ depends on USB
+ help
+ This adds support for MT7663U 802.11ax 2x2:2 wireless devices.
+
+ To compile this driver as a module, choose M here.
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
index 5c6a220ed7e3..99f353b8b9aa 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/Makefile
@@ -1,9 +1,15 @@
#SPDX-License-Identifier: ISC
+obj-$(CONFIG_MT7615_COMMON) += mt7615-common.o
obj-$(CONFIG_MT7615E) += mt7615e.o
+obj-$(CONFIG_MT7663U) += mt7663u.o
CFLAGS_trace.o := -I$(src)
-mt7615e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o mmio.o \
- debugfs.o trace.o
+mt7615-common-y := main.o init.o mcu.o eeprom.o mac.o \
+ debugfs.o trace.o
+
+mt7615e-y := pci.o pci_init.o dma.o pci_mac.o mmio.o
mt7615e-$(CONFIG_MT7622_WMAC) += soc.o
+
+mt7663u-y := usb.o usb_mcu.o usb_init.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index b4d0795154e3..fd3ef483a87c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -20,11 +20,15 @@ static int
mt7615_scs_set(void *data, u64 val)
{
struct mt7615_dev *dev = data;
+ struct mt7615_phy *ext_phy;
if (!mt7615_wait_for_mcu_init(dev))
return 0;
- mt7615_mac_set_scs(dev, val);
+ mt7615_mac_set_scs(&dev->phy, val);
+ ext_phy = mt7615_ext_phy(dev);
+ if (ext_phy)
+ mt7615_mac_set_scs(ext_phy, val);
return 0;
}
@@ -34,7 +38,7 @@ mt7615_scs_get(void *data, u64 *val)
{
struct mt7615_dev *dev = data;
- *val = dev->scs_en;
+ *val = dev->phy.scs_en;
return 0;
}
@@ -120,28 +124,52 @@ mt7615_reset_test_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_reset_test, NULL,
mt7615_reset_test_set, "%lld\n");
-static int
-mt7615_ampdu_stat_read(struct seq_file *file, void *data)
+static void
+mt7615_ampdu_stat_read_phy(struct mt7615_phy *phy,
+ struct seq_file *file)
{
struct mt7615_dev *dev = file->private;
+ u32 reg = is_mt7663(&dev->mt76) ? MT_MIB_ARNG(0) : MT_AGG_ASRCR0;
+ bool ext_phy = phy != &dev->phy;
int bound[7], i, range;
- range = mt76_rr(dev, MT_AGG_ASRCR0);
+ if (!phy)
+ return;
+
+ range = mt76_rr(dev, reg);
for (i = 0; i < 4; i++)
bound[i] = MT_AGG_ASRCR_RANGE(range, i) + 1;
- range = mt76_rr(dev, MT_AGG_ASRCR1);
+
+ range = mt76_rr(dev, reg + 4);
for (i = 0; i < 3; i++)
bound[i + 4] = MT_AGG_ASRCR_RANGE(range, i) + 1;
+ seq_printf(file, "\nPhy %d\n", ext_phy);
+
seq_printf(file, "Length: %8d | ", bound[0]);
for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
seq_printf(file, "%3d -%3d | ",
bound[i], bound[i + 1]);
seq_puts(file, "\nCount: ");
+
+ range = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
for (i = 0; i < ARRAY_SIZE(bound); i++)
- seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]);
+ seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + range]);
seq_puts(file, "\n");
+ seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
+ seq_printf(file, "PER: %ld.%1ld%%\n",
+ phy->mib.aggr_per / 10, phy->mib.aggr_per % 10);
+}
+
+static int
+mt7615_ampdu_stat_read(struct seq_file *file, void *data)
+{
+ struct mt7615_dev *dev = file->private;
+
+ mt7615_ampdu_stat_read_phy(&dev->phy, file);
+ mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file);
+
return 0;
}
@@ -265,10 +293,10 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
return -ENOMEM;
if (is_mt7615(&dev->mt76))
- debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+ debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt7615_queues_read);
else
- debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+ debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
mt7615_queues_acq);
@@ -297,3 +325,4 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_init_debugfs);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
index b19f208e3d54..5a124610d4af 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
@@ -94,45 +94,6 @@ mt7615_init_tx_queues(struct mt7615_dev *dev)
return 0;
}
-void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
- struct sk_buff *skb)
-{
- struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
- __le32 *rxd = (__le32 *)skb->data;
- __le32 *end = (__le32 *)&skb->data[skb->len];
- enum rx_pkt_type type;
- u16 flag;
-
- type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
- flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0]));
- if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
- type = PKT_TYPE_NORMAL_MCU;
-
- switch (type) {
- case PKT_TYPE_TXS:
- for (rxd++; rxd + 7 <= end; rxd += 7)
- mt7615_mac_add_txs(dev, rxd);
- dev_kfree_skb(skb);
- break;
- case PKT_TYPE_TXRX_NOTIFY:
- mt7615_mac_tx_free(dev, skb);
- break;
- case PKT_TYPE_RX_EVENT:
- mt7615_mcu_rx_event(dev, skb);
- break;
- case PKT_TYPE_NORMAL_MCU:
- case PKT_TYPE_NORMAL:
- if (!mt7615_mac_fill_rx(dev, skb)) {
- mt76_rx(&dev->mt76, q, skb);
- return;
- }
- /* fall through */
- default:
- dev_kfree_skb(skb);
- break;
- }
-}
-
static void
mt7615_tx_cleanup(struct mt7615_dev *dev)
{
@@ -160,13 +121,52 @@ static int mt7615_poll_tx(struct napi_struct *napi, int budget)
mt7615_tx_cleanup(dev);
+ rcu_read_lock();
mt7615_mac_sta_poll(dev);
+ rcu_read_unlock();
tasklet_schedule(&dev->mt76.tx_tasklet);
return 0;
}
+int mt7615_wait_pdma_busy(struct mt7615_dev *dev)
+{
+ struct mt76_dev *mdev = &dev->mt76;
+
+ if (!is_mt7663(mdev)) {
+ u32 mask = MT_PDMA_TX_BUSY | MT_PDMA_RX_BUSY;
+ u32 reg = mt7615_reg_map(dev, MT_PDMA_BUSY);
+
+ if (!mt76_poll_msec(dev, reg, mask, 0, 1000)) {
+ dev_err(mdev->dev, "PDMA engine busy\n");
+ return -EIO;
+ }
+
+ return 0;
+ }
+
+ if (!mt76_poll_msec(dev, MT_PDMA_BUSY_STATUS,
+ MT_PDMA_TX_IDX_BUSY, 0, 1000)) {
+ dev_err(mdev->dev, "PDMA engine tx busy\n");
+ return -EIO;
+ }
+
+ if (!mt76_poll_msec(dev, MT_PSE_PG_INFO,
+ MT_PSE_SRC_CNT, 0, 1000)) {
+ dev_err(mdev->dev, "PSE engine busy\n");
+ return -EIO;
+ }
+
+ if (!mt76_poll_msec(dev, MT_PDMA_BUSY_STATUS,
+ MT_PDMA_BUSY_IDX, 0, 1000)) {
+ dev_err(mdev->dev, "PDMA engine busy\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
static void mt7622_dma_sched_init(struct mt7615_dev *dev)
{
u32 reg = mt7615_reg_map(dev, MT_DMASHDL_BASE);
@@ -229,8 +229,13 @@ static void mt7663_dma_sched_init(struct mt7615_dev *dev)
int mt7615_dma_init(struct mt7615_dev *dev)
{
int rx_ring_size = MT7615_RX_RING_SIZE;
+ int rx_buf_size = MT_RX_BUF_SIZE;
int ret;
+ /* Increase buffer size to receive large VHT MPDUs */
+ if (dev->mt76.cap.has_5ghz)
+ rx_buf_size *= 2;
+
mt76_dma_attach(&dev->mt76);
mt76_wr(dev, MT_WPDMA_GLO_CFG,
@@ -271,7 +276,7 @@ int mt7615_dma_init(struct mt7615_dev *dev)
/* init rx queues */
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 1,
- MT7615_RX_MCU_RING_SIZE, MT_RX_BUF_SIZE,
+ MT7615_RX_MCU_RING_SIZE, rx_buf_size,
MT_RX_RING_BASE);
if (ret)
return ret;
@@ -280,7 +285,7 @@ int mt7615_dma_init(struct mt7615_dev *dev)
rx_ring_size /= 2;
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0,
- rx_ring_size, MT_RX_BUF_SIZE, MT_RX_RING_BASE);
+ rx_ring_size, rx_buf_size, MT_RX_RING_BASE);
if (ret)
return ret;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
index dfa9a08b896d..edac37e7847b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.c
@@ -5,6 +5,7 @@
* Felix Fietkau <nbd@nbd.name>
*/
+#include <linux/of.h>
#include "mt7615.h"
#include "eeprom.h"
@@ -40,11 +41,11 @@ static int mt7615_efuse_read(struct mt7615_dev *dev, u32 base,
return 0;
}
-static int mt7615_efuse_init(struct mt7615_dev *dev)
+static int mt7615_efuse_init(struct mt7615_dev *dev, u32 base)
{
- u32 val, base = mt7615_reg_map(dev, MT_EFUSE_BASE);
int i, len = MT7615_EEPROM_SIZE;
void *buf;
+ u32 val;
val = mt76_rr(dev, base + MT_EFUSE_BASE_CTRL);
if (val & MT_EFUSE_BASE_CTRL_EMPTY)
@@ -67,15 +68,16 @@ static int mt7615_efuse_init(struct mt7615_dev *dev)
return 0;
}
-static int mt7615_eeprom_load(struct mt7615_dev *dev)
+static int mt7615_eeprom_load(struct mt7615_dev *dev, u32 addr)
{
int ret;
- ret = mt76_eeprom_init(&dev->mt76, MT7615_EEPROM_SIZE);
+ ret = mt76_eeprom_init(&dev->mt76, MT7615_EEPROM_SIZE +
+ MT7615_EEPROM_EXTRA_DATA);
if (ret < 0)
return ret;
- return mt7615_efuse_init(dev);
+ return mt7615_efuse_init(dev, addr);
}
static int mt7615_check_eeprom(struct mt76_dev *dev)
@@ -109,6 +111,12 @@ mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
return;
}
+ if (is_mt7611(&dev->mt76)) {
+ /* 5GHz only */
+ dev->mt76.cap.has_5ghz = true;
+ return;
+ }
+
val = FIELD_GET(MT_EE_NIC_WIFI_CONF_BAND_SEL,
eeprom[MT_EE_WIFI_CONF]);
switch (val) {
@@ -128,14 +136,15 @@ mt7615_eeprom_parse_hw_band_cap(struct mt7615_dev *dev)
static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
{
u8 *eeprom = dev->mt76.eeprom.data;
- u8 tx_mask;
+ u8 tx_mask, max_nss;
mt7615_eeprom_parse_hw_band_cap(dev);
if (is_mt7663(&dev->mt76)) {
- tx_mask = 2;
+ max_nss = 2;
+ tx_mask = FIELD_GET(MT_EE_HW_CONF1_TX_MASK,
+ eeprom[MT7663_EE_HW_CONF1]);
} else {
- u8 max_nss;
u32 val;
/* read tx-rx mask from eeprom */
@@ -144,21 +153,46 @@ static void mt7615_eeprom_parse_hw_cap(struct mt7615_dev *dev)
tx_mask = FIELD_GET(MT_EE_NIC_CONF_TX_MASK,
eeprom[MT_EE_NIC_CONF_0]);
- if (!tx_mask || tx_mask > max_nss)
- tx_mask = max_nss;
}
+ if (!tx_mask || tx_mask > max_nss)
+ tx_mask = max_nss;
dev->chainmask = BIT(tx_mask) - 1;
dev->mphy.antenna_mask = dev->chainmask;
dev->phy.chainmask = dev->chainmask;
}
-int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,
- struct ieee80211_channel *chan,
- u8 chain_idx)
+static int mt7663_eeprom_get_target_power_index(struct mt7615_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
+{
+ int index, group;
+
+ if (chain_idx > 1)
+ return -EINVAL;
+
+ if (chan->band == NL80211_BAND_2GHZ)
+ return MT7663_EE_TX0_2G_TARGET_POWER + (chain_idx << 4);
+
+ group = mt7615_get_channel_group(chan->hw_value);
+ if (chain_idx == 1)
+ index = MT7663_EE_TX1_5G_G0_TARGET_POWER;
+ else
+ index = MT7663_EE_TX0_5G_G0_TARGET_POWER;
+
+ return index + group * 3;
+}
+
+int mt7615_eeprom_get_target_power_index(struct mt7615_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
{
int index;
+ if (is_mt7663(&dev->mt76))
+ return mt7663_eeprom_get_target_power_index(dev, chan,
+ chain_idx);
+
if (chain_idx > 3)
return -EINVAL;
@@ -197,6 +231,23 @@ int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,
return index;
}
+int mt7615_eeprom_get_power_delta_index(struct mt7615_dev *dev,
+ enum nl80211_band band)
+{
+ /* assume the first rate has the highest power offset */
+ if (is_mt7663(&dev->mt76)) {
+ if (band == NL80211_BAND_2GHZ)
+ return MT_EE_TX0_5G_G0_TARGET_POWER;
+ else
+ return MT7663_EE_5G_RATE_POWER;
+ }
+
+ if (band == NL80211_BAND_2GHZ)
+ return MT_EE_2G_RATE_POWER;
+ else
+ return MT_EE_5G_RATE_POWER;
+}
+
static void mt7615_apply_cal_free_data(struct mt7615_dev *dev)
{
static const u16 ical[] = {
@@ -255,30 +306,38 @@ static void mt7622_apply_cal_free_data(struct mt7615_dev *dev)
static void mt7615_cal_free_data(struct mt7615_dev *dev)
{
+ struct device_node *np = dev->mt76.dev->of_node;
+
+ if (!np || !of_property_read_bool(np, "mediatek,eeprom-merge-otp"))
+ return;
+
switch (mt76_chip(&dev->mt76)) {
case 0x7622:
mt7622_apply_cal_free_data(dev);
break;
case 0x7615:
+ case 0x7611:
mt7615_apply_cal_free_data(dev);
break;
}
}
-int mt7615_eeprom_init(struct mt7615_dev *dev)
+int mt7615_eeprom_init(struct mt7615_dev *dev, u32 addr)
{
int ret;
- ret = mt7615_eeprom_load(dev);
+ ret = mt7615_eeprom_load(dev, addr);
if (ret < 0)
return ret;
ret = mt7615_check_eeprom(&dev->mt76);
- if (ret && dev->mt76.otp.data)
+ if (ret && dev->mt76.otp.data) {
memcpy(dev->mt76.eeprom.data, dev->mt76.otp.data,
MT7615_EEPROM_SIZE);
- else
+ } else {
+ dev->flash_eeprom = true;
mt7615_cal_free_data(dev);
+ }
mt7615_eeprom_parse_hw_cap(dev);
memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
@@ -288,3 +347,4 @@ int mt7615_eeprom_init(struct mt7615_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_eeprom_init);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
index 8a2a64b7fcd3..40fed7adc58a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/eeprom.h
@@ -6,6 +6,21 @@
#include "mt7615.h"
+
+#define MT7615_EEPROM_DCOC_OFFSET MT7615_EEPROM_SIZE
+#define MT7615_EEPROM_DCOC_SIZE 256
+#define MT7615_EEPROM_DCOC_COUNT 34
+
+#define MT7615_EEPROM_TXDPD_OFFSET (MT7615_EEPROM_SIZE + \
+ MT7615_EEPROM_DCOC_COUNT * \
+ MT7615_EEPROM_DCOC_SIZE)
+#define MT7615_EEPROM_TXDPD_SIZE 216
+#define MT7615_EEPROM_TXDPD_COUNT (44 + 3)
+
+#define MT7615_EEPROM_EXTRA_DATA (MT7615_EEPROM_TXDPD_OFFSET + \
+ MT7615_EEPROM_TXDPD_COUNT * \
+ MT7615_EEPROM_TXDPD_SIZE)
+
enum mt7615_eeprom_field {
MT_EE_CHIP_ID = 0x000,
MT_EE_VERSION = 0x002,
@@ -13,23 +28,39 @@ enum mt7615_eeprom_field {
MT_EE_NIC_CONF_0 = 0x034,
MT_EE_NIC_CONF_1 = 0x036,
MT_EE_WIFI_CONF = 0x03e,
+ MT_EE_CALDATA_FLASH = 0x052,
MT_EE_TX0_2G_TARGET_POWER = 0x058,
MT_EE_TX0_5G_G0_TARGET_POWER = 0x070,
+ MT7663_EE_5G_RATE_POWER = 0x089,
MT_EE_TX1_5G_G0_TARGET_POWER = 0x098,
+ MT_EE_2G_RATE_POWER = 0x0be,
+ MT_EE_5G_RATE_POWER = 0x0d5,
+ MT7663_EE_TX0_2G_TARGET_POWER = 0x0e3,
MT_EE_EXT_PA_2G_TARGET_POWER = 0x0f2,
MT_EE_EXT_PA_5G_TARGET_POWER = 0x0f3,
- MT7663_EE_TX0_2G_TARGET_POWER = 0x123,
MT_EE_TX2_5G_G0_TARGET_POWER = 0x142,
MT_EE_TX3_5G_G0_TARGET_POWER = 0x16a,
+ MT7663_EE_HW_CONF1 = 0x1b0,
+ MT7663_EE_TX0_5G_G0_TARGET_POWER = 0x245,
+ MT7663_EE_TX1_5G_G0_TARGET_POWER = 0x2b5,
MT7615_EE_MAX = 0x3bf,
MT7622_EE_MAX = 0x3db,
MT7663_EE_MAX = 0x400,
};
+#define MT_EE_RATE_POWER_MASK GENMASK(5, 0)
+#define MT_EE_RATE_POWER_SIGN BIT(6)
+#define MT_EE_RATE_POWER_EN BIT(7)
+
+#define MT_EE_CALDATA_FLASH_TX_DPD BIT(0)
+#define MT_EE_CALDATA_FLASH_RX_CAL BIT(1)
+
#define MT_EE_NIC_CONF_TX_MASK GENMASK(7, 4)
#define MT_EE_NIC_CONF_RX_MASK GENMASK(3, 0)
+#define MT_EE_HW_CONF1_TX_MASK GENMASK(2, 0)
+
#define MT_EE_NIC_CONF_TSSI_2G BIT(5)
#define MT_EE_NIC_CONF_TSSI_5G BIT(6)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 03b1e56534d6..e2d80518e5af 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -12,17 +12,18 @@
#include "mac.h"
#include "eeprom.h"
-static void mt7615_phy_init(struct mt7615_dev *dev)
+void mt7615_phy_init(struct mt7615_dev *dev)
{
/* disable rf low power beacon mode */
mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(0), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
mt76_set(dev, MT_WF_PHY_WF2_RFCTRL0(1), MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN);
}
+EXPORT_SYMBOL_GPL(mt7615_phy_init);
static void
mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
{
- u32 val, mask, set;
+ u32 val;
if (!chain)
val = MT_CFG_CCR_MAC_D0_1X_GC_EN | MT_CFG_CCR_MAC_D0_2X_GC_EN;
@@ -62,18 +63,23 @@ mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1));
- mask = MT_DMA_RCFR0_MCU_RX_MGMT |
- MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR |
- MT_DMA_RCFR0_MCU_RX_CTL_BAR |
- MT_DMA_RCFR0_MCU_RX_BYPASS |
- MT_DMA_RCFR0_RX_DROPPED_UCAST |
- MT_DMA_RCFR0_RX_DROPPED_MCAST;
- set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) |
- FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2);
- mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set);
+ mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS);
+ if (!mt7615_firmware_offload(dev)) {
+ u32 mask, set;
+
+ mask = MT_DMA_RCFR0_MCU_RX_MGMT |
+ MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR |
+ MT_DMA_RCFR0_MCU_RX_CTL_BAR |
+ MT_DMA_RCFR0_MCU_RX_BYPASS |
+ MT_DMA_RCFR0_RX_DROPPED_UCAST |
+ MT_DMA_RCFR0_RX_DROPPED_MCAST;
+ set = FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_UCAST, 2) |
+ FIELD_PREP(MT_DMA_RCFR0_RX_DROPPED_MCAST, 2);
+ mt76_rmw(dev, MT_DMA_RCFR0(chain), mask, set);
+ }
}
-static void mt7615_mac_init(struct mt7615_dev *dev)
+void mt7615_mac_init(struct mt7615_dev *dev)
{
int i;
@@ -90,7 +96,7 @@ static void mt7615_mac_init(struct mt7615_dev *dev)
MT_TMAC_CTCR0_INS_DDLMT_EN);
mt7615_mcu_set_rts_thresh(&dev->phy, 0x92b);
- mt7615_mac_set_scs(dev, true);
+ mt7615_mac_set_scs(&dev->phy, true);
mt76_rmw(dev, MT_AGG_SCR, MT_AGG_SCR_NLNAV_MID_PTEC_DIS,
MT_AGG_SCR_NLNAV_MID_PTEC_DIS);
@@ -112,67 +118,59 @@ static void mt7615_mac_init(struct mt7615_dev *dev)
mt76_wr(dev, MT_DMA_DCR0,
FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
MT_DMA_DCR0_RX_VEC_DROP);
+ /* disable TDLS filtering */
+ mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN);
+ mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN);
if (is_mt7663(&dev->mt76)) {
- mt76_wr(dev, MT_CSR(0x010), 0x8208);
- mt76_wr(dev, 0x44064, 0x2000000);
mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
mt76_wr(dev, MT_WF_AGG(0x164), 0x70708040);
} else {
mt7615_init_mac_chain(dev, 1);
}
}
+EXPORT_SYMBOL_GPL(mt7615_mac_init);
-bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
+void mt7615_check_offload_capability(struct mt7615_dev *dev)
{
- flush_work(&dev->mcu_work);
-
- return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
-}
-
-static void mt7615_init_work(struct work_struct *work)
-{
- struct mt7615_dev *dev = container_of(work, struct mt7615_dev, mcu_work);
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ struct wiphy *wiphy = hw->wiphy;
- if (mt7615_mcu_init(dev))
- return;
+ if (mt7615_firmware_offload(dev)) {
+ ieee80211_hw_set(hw, SUPPORTS_PS);
+ ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
- mt7615_mcu_set_eeprom(dev);
- mt7615_mac_init(dev);
- mt7615_phy_init(dev);
- mt7615_mcu_del_wtbl_all(dev);
+ wiphy->max_remain_on_channel_duration = 5000;
+ wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR |
+ NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL |
+ NL80211_FEATURE_P2P_GO_CTWIN |
+ NL80211_FEATURE_P2P_GO_OPPPS;
+ } else {
+ dev->ops->hw_scan = NULL;
+ dev->ops->cancel_hw_scan = NULL;
+ dev->ops->sched_scan_start = NULL;
+ dev->ops->sched_scan_stop = NULL;
+ dev->ops->set_rekey_data = NULL;
+ dev->ops->remain_on_channel = NULL;
+ dev->ops->cancel_remain_on_channel = NULL;
+
+ wiphy->max_sched_scan_plan_interval = 0;
+ wiphy->max_sched_scan_ie_len = 0;
+ wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
+ wiphy->max_sched_scan_ssids = 0;
+ wiphy->max_match_sets = 0;
+ wiphy->max_sched_scan_reqs = 0;
+ }
}
+EXPORT_SYMBOL_GPL(mt7615_check_offload_capability);
-static int mt7615_init_hardware(struct mt7615_dev *dev)
+bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev)
{
- int ret, idx;
-
- mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
-
- INIT_WORK(&dev->mcu_work, mt7615_init_work);
- spin_lock_init(&dev->token_lock);
- idr_init(&dev->token);
-
- ret = mt7615_eeprom_init(dev);
- if (ret < 0)
- return ret;
-
- ret = mt7615_dma_init(dev);
- if (ret)
- return ret;
-
- set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
-
- /* Beacon and mgmt frames should occupy wcid 0 */
- idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
- if (idx)
- return -ENOSPC;
-
- dev->mt76.global_wcid.idx = idx;
- dev->mt76.global_wcid.hw_key_idx = -1;
- rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+ flush_work(&dev->mcu_work);
- return 0;
+ return test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
}
+EXPORT_SYMBOL_GPL(mt7615_wait_for_mcu_init);
#define CCK_RATE(_idx, _rate) { \
.bitrate = _rate, \
@@ -187,7 +185,7 @@ static int mt7615_init_hardware(struct mt7615_dev *dev)
.hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
}
-static struct ieee80211_rate mt7615_rates[] = {
+struct ieee80211_rate mt7615_rates[] = {
CCK_RATE(0, 10),
CCK_RATE(1, 20),
CCK_RATE(2, 55),
@@ -201,6 +199,7 @@ static struct ieee80211_rate mt7615_rates[] = {
OFDM_RATE(8, 480),
OFDM_RATE(12, 540),
};
+EXPORT_SYMBOL_GPL(mt7615_rates);
static const struct ieee80211_iface_limit if_limits[] = {
{
@@ -212,6 +211,8 @@ static const struct ieee80211_iface_limit if_limits[] = {
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_STATION)
}
};
@@ -226,68 +227,26 @@ static const struct ieee80211_iface_combination if_comb[] = {
}
};
-static void
-mt7615_led_set_config(struct led_classdev *led_cdev,
- u8 delay_on, u8 delay_off)
-{
- struct mt7615_dev *dev;
- struct mt76_dev *mt76;
- u32 val, addr;
-
- mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
- dev = container_of(mt76, struct mt7615_dev, mt76);
- val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
- FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
- FIELD_PREP(MT_LED_STATUS_ON, delay_on);
-
- addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
- mt76_wr(dev, addr, val);
- addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
- mt76_wr(dev, addr, val);
-
- val = MT_LED_CTRL_REPLAY(mt76->led_pin) |
- MT_LED_CTRL_KICK(mt76->led_pin);
- if (mt76->led_al)
- val |= MT_LED_CTRL_POLARITY(mt76->led_pin);
- addr = mt7615_reg_map(dev, MT_LED_CTRL);
- mt76_wr(dev, addr, val);
-}
-
-static int
-mt7615_led_set_blink(struct led_classdev *led_cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
-{
- u8 delta_on, delta_off;
-
- delta_off = max_t(u8, *delay_off / 10, 1);
- delta_on = max_t(u8, *delay_on / 10, 1);
-
- mt7615_led_set_config(led_cdev, delta_on, delta_off);
-
- return 0;
-}
-
-static void
-mt7615_led_set_brightness(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- if (!brightness)
- mt7615_led_set_config(led_cdev, 0, 0xff);
- else
- mt7615_led_set_config(led_cdev, 0xff, 0);
-}
-
-static void
-mt7615_init_txpower(struct mt7615_dev *dev,
- struct ieee80211_supported_band *sband)
+void mt7615_init_txpower(struct mt7615_dev *dev,
+ struct ieee80211_supported_band *sband)
{
int i, n_chains = hweight8(dev->mphy.antenna_mask), target_chains;
+ int delta_idx, delta = mt76_tx_power_nss_delta(n_chains);
u8 *eep = (u8 *)dev->mt76.eeprom.data;
enum nl80211_band band = sband->band;
- int delta = mt76_tx_power_nss_delta(n_chains);
+ u8 rate_val;
+
+ delta_idx = mt7615_eeprom_get_power_delta_index(dev, band);
+ rate_val = eep[delta_idx];
+ if ((rate_val & ~MT_EE_RATE_POWER_MASK) ==
+ (MT_EE_RATE_POWER_EN | MT_EE_RATE_POWER_SIGN))
+ delta += rate_val & MT_EE_RATE_POWER_MASK;
+
+ if (!is_mt7663(&dev->mt76) && mt7615_ext_pa_enabled(dev, band))
+ target_chains = 1;
+ else
+ target_chains = n_chains;
- target_chains = mt7615_ext_pa_enabled(dev, band) ? 1 : n_chains;
for (i = 0; i < sband->n_channels; i++) {
struct ieee80211_channel *chan = &sband->channels[i];
u8 target_power = 0;
@@ -296,7 +255,10 @@ mt7615_init_txpower(struct mt7615_dev *dev,
for (j = 0; j < target_chains; j++) {
int index;
- index = mt7615_eeprom_get_power_index(dev, chan, j);
+ index = mt7615_eeprom_get_target_power_index(dev, chan, j);
+ if (index < 0)
+ continue;
+
target_power = max(target_power, eep[index]);
}
@@ -306,6 +268,7 @@ mt7615_init_txpower(struct mt7615_dev *dev,
chan->orig_mpwr = target_power;
}
}
+EXPORT_SYMBOL_GPL(mt7615_init_txpower);
static void
mt7615_regd_notifier(struct wiphy *wiphy,
@@ -345,8 +308,18 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
wiphy->reg_notifier = mt7615_regd_notifier;
+ wiphy->max_sched_scan_plan_interval = MT7615_MAX_SCHED_SCAN_INTERVAL;
+ wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
+ wiphy->max_scan_ie_len = MT7615_SCAN_IE_LEN;
+ wiphy->max_sched_scan_ssids = MT7615_MAX_SCHED_SCAN_SSID;
+ wiphy->max_match_sets = MT7615_MAX_SCAN_MATCH;
+ wiphy->max_sched_scan_reqs = 1;
+ wiphy->max_scan_ssids = 4;
+
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+ ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS);
ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
if (is_mt7615(&phy->dev->mt76))
@@ -368,7 +341,7 @@ mt7615_cap_dbdc_enable(struct mt7615_dev *dev)
dev->phy.chainmask = dev->mphy.antenna_mask;
dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
- mt76_set_stream_caps(&dev->mt76, true);
+ mt76_set_stream_caps(&dev->mphy, true);
}
static void
@@ -381,7 +354,7 @@ mt7615_cap_dbdc_disable(struct mt7615_dev *dev)
dev->phy.chainmask = dev->chainmask;
dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
- mt76_set_stream_caps(&dev->mt76, true);
+ mt76_set_stream_caps(&dev->mphy, true);
}
int mt7615_register_ext_phy(struct mt7615_dev *dev)
@@ -411,6 +384,16 @@ int mt7615_register_ext_phy(struct mt7615_dev *dev)
mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
mt7615_init_wiphy(mphy->hw);
+ INIT_DELAYED_WORK(&phy->mac_work, mt7615_mac_work);
+ INIT_DELAYED_WORK(&phy->scan_work, mt7615_scan_work);
+ skb_queue_head_init(&phy->scan_event_list);
+
+ INIT_WORK(&phy->roc_work, mt7615_roc_work);
+ timer_setup(&phy->roc_timer, mt7615_roc_timer, 0);
+ init_waitqueue_head(&phy->roc_wait);
+
+ mt7615_mac_set_scs(phy, true);
+
/*
* Make the secondary PHY MAC address local without overlapping with
* the usual MAC address allocation scheme on multiple virtual interfaces
@@ -431,6 +414,7 @@ int mt7615_register_ext_phy(struct mt7615_dev *dev)
return ret;
}
+EXPORT_SYMBOL_GPL(mt7615_register_ext_phy);
void mt7615_unregister_ext_phy(struct mt7615_dev *dev)
{
@@ -444,6 +428,7 @@ void mt7615_unregister_ext_phy(struct mt7615_dev *dev)
mt76_unregister_phy(mphy);
ieee80211_free_hw(mphy->hw);
}
+EXPORT_SYMBOL_GPL(mt7615_unregister_ext_phy);
void mt7615_init_device(struct mt7615_dev *dev)
{
@@ -452,11 +437,17 @@ void mt7615_init_device(struct mt7615_dev *dev)
dev->phy.dev = dev;
dev->phy.mt76 = &dev->mt76.phy;
dev->mt76.phy.priv = &dev->phy;
- INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7615_mac_work);
+ INIT_DELAYED_WORK(&dev->phy.mac_work, mt7615_mac_work);
+ INIT_DELAYED_WORK(&dev->phy.scan_work, mt7615_scan_work);
+ skb_queue_head_init(&dev->phy.scan_event_list);
INIT_LIST_HEAD(&dev->sta_poll_list);
spin_lock_init(&dev->sta_poll_lock);
init_waitqueue_head(&dev->reset_wait);
+ init_waitqueue_head(&dev->phy.roc_wait);
+
INIT_WORK(&dev->reset_work, mt7615_mac_reset_work);
+ INIT_WORK(&dev->phy.roc_work, mt7615_roc_work);
+ timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0);
mt7615_init_wiphy(hw);
dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
@@ -467,62 +458,4 @@ void mt7615_init_device(struct mt7615_dev *dev)
mt7615_cap_dbdc_disable(dev);
dev->phy.dfs_state = -1;
}
-
-int mt7615_register_device(struct mt7615_dev *dev)
-{
- int ret;
-
- mt7615_init_device(dev);
-
- /* init led callbacks */
- if (IS_ENABLED(CONFIG_MT76_LEDS)) {
- dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness;
- dev->mt76.led_cdev.blink_set = mt7615_led_set_blink;
- }
-
- ret = mt7622_wmac_init(dev);
- if (ret)
- return ret;
-
- ret = mt7615_init_hardware(dev);
- if (ret)
- return ret;
-
- ret = mt76_register_device(&dev->mt76, true, mt7615_rates,
- ARRAY_SIZE(mt7615_rates));
- if (ret)
- return ret;
-
- ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work);
- mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
- mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
-
- return mt7615_init_debugfs(dev);
-}
-
-void mt7615_unregister_device(struct mt7615_dev *dev)
-{
- struct mt76_txwi_cache *txwi;
- bool mcu_running;
- int id;
-
- mcu_running = mt7615_wait_for_mcu_init(dev);
-
- mt7615_unregister_ext_phy(dev);
- mt76_unregister_device(&dev->mt76);
- if (mcu_running)
- mt7615_mcu_exit(dev);
- mt7615_dma_cleanup(dev);
-
- spin_lock_bh(&dev->token_lock);
- idr_for_each_entry(&dev->token, txwi, id) {
- mt7615_txp_skb_unmap(&dev->mt76, txwi);
- if (txwi->skb)
- dev_kfree_skb_any(txwi->skb);
- mt76_put_txwi(&dev->mt76, txwi);
- }
- spin_unlock_bh(&dev->token_lock);
- idr_destroy(&dev->token);
-
- mt76_free_device(&dev->mt76);
-}
+EXPORT_SYMBOL_GPL(mt7615_init_device);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index a27a6d164009..9f1c6ca7a665 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -61,7 +61,7 @@ static struct mt76_wcid *mt7615_rx_get_wcid(struct mt7615_dev *dev,
struct mt7615_sta *sta;
struct mt76_wcid *wcid;
- if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+ if (idx >= MT7615_WTBL_SIZE)
return NULL;
wcid = rcu_dereference(dev->mt76.wcid[idx]);
@@ -82,8 +82,10 @@ void mt7615_mac_reset_counters(struct mt7615_dev *dev)
{
int i;
- for (i = 0; i < 4; i++)
- mt76_rr(dev, MT_TX_AGG_CNT(i));
+ for (i = 0; i < 4; i++) {
+ mt76_rr(dev, MT_TX_AGG_CNT(0, i));
+ mt76_rr(dev, MT_TX_AGG_CNT(1, i));
+ }
memset(dev->mt76.aggr_stats, 0, sizeof(dev->mt76.aggr_stats));
dev->mt76.phy.survey_time = ktime_get_boottime();
@@ -113,10 +115,14 @@ void mt7615_mac_set_timing(struct mt7615_phy *phy)
u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
- FIELD_PREP(MT_TIMEOUT_VAL_CCA, 24);
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
int sifs, offset;
+ bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ;
+
+ if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
+ return;
- if (phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ)
+ if (is_5ghz)
sifs = 16;
else
sifs = 10;
@@ -149,7 +155,7 @@ void mt7615_mac_set_timing(struct mt7615_phy *phy)
FIELD_PREP(MT_IFS_SIFS, sifs) |
FIELD_PREP(MT_IFS_SLOT, phy->slottime));
- if (phy->slottime < 20)
+ if (phy->slottime < 20 || is_5ghz)
val = MT7615_CFEND_RATE_DEFAULT;
else
val = MT7615_CFEND_RATE_11B;
@@ -164,7 +170,23 @@ void mt7615_mac_set_timing(struct mt7615_phy *phy)
}
-int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
+static void
+mt7615_get_status_freq_info(struct mt7615_dev *dev, struct mt76_phy *mphy,
+ struct mt76_rx_status *status, u8 chfreq)
+{
+ if (!test_bit(MT76_HW_SCANNING, &mphy->state) &&
+ !test_bit(MT76_HW_SCHED_SCANNING, &mphy->state) &&
+ !test_bit(MT76_STATE_ROC, &mphy->state)) {
+ status->freq = mphy->chandef.chan->center_freq;
+ status->band = mphy->chandef.chan->band;
+ return;
+ }
+
+ status->band = chfreq <= 14 ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
+ status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
+}
+
+static int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
struct mt76_phy *mphy = &dev->mt76.phy;
@@ -282,11 +304,10 @@ int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
status->ext_phy = true;
}
- if (chfreq != phy->chfreq)
+ if (!mt7615_firmware_offload(dev) && chfreq != phy->chfreq)
return -EINVAL;
- status->freq = mphy->chandef.chan->center_freq;
- status->band = mphy->chandef.chan->band;
+ mt7615_get_status_freq_info(dev, mphy, status, chfreq);
if (status->band == NL80211_BAND_5GHZ)
sband = &mphy->sband_5g.sband;
else
@@ -408,40 +429,7 @@ int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb)
void mt7615_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
{
}
-
-void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
- struct mt76_queue_entry *e)
-{
- if (!e->txwi) {
- dev_kfree_skb_any(e->skb);
- return;
- }
-
- /* error path */
- if (e->skb == DMA_DUMMY_DATA) {
- struct mt76_txwi_cache *t;
- struct mt7615_dev *dev;
- struct mt7615_txp_common *txp;
- u16 token;
-
- dev = container_of(mdev, struct mt7615_dev, mt76);
- txp = mt7615_txwi_to_txp(mdev, e->txwi);
-
- if (is_mt7615(&dev->mt76))
- token = le16_to_cpu(txp->fw.token);
- else
- token = le16_to_cpu(txp->hw.msdu_id[0]) &
- ~MT_MSDU_ID_VALID;
-
- spin_lock_bh(&dev->token_lock);
- t = idr_remove(&dev->token, token);
- spin_unlock_bh(&dev->token_lock);
- e->skb = t ? t->skb : NULL;
- }
-
- if (e->skb)
- mt76_tx_complete_skb(mdev, e->skb);
-}
+EXPORT_SYMBOL_GPL(mt7615_sta_ps);
static u16
mt7615_mac_tx_rate_val(struct mt7615_dev *dev,
@@ -512,11 +500,12 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
struct ieee80211_vif *vif = info->control.vif;
struct mt76_phy *mphy = &dev->mphy;
bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
+ bool is_usb = mt76_is_usb(&dev->mt76);
int tx_count = 8;
u8 fc_type, fc_stype, p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
__le16 fc = hdr->frame_control;
+ u32 val, sz_txd = is_usb ? MT_USB_TXD_SIZE : MT_TXD_SIZE;
u16 seqno = 0;
- u32 val;
if (vif) {
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
@@ -540,7 +529,7 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
if (ieee80211_is_data(fc) || ieee80211_is_bufferable_mmpdu(fc)) {
q_idx = wmm_idx * MT7615_MAX_WMM_SETS +
skb_get_queue_mapping(skb);
- p_fmt = MT_TX_TYPE_CT;
+ p_fmt = is_usb ? MT_TX_TYPE_SF : MT_TX_TYPE_CT;
} else if (beacon) {
if (ext_phy)
q_idx = MT_LMAC_BCN1;
@@ -552,10 +541,10 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
q_idx = MT_LMAC_ALTX1;
else
q_idx = MT_LMAC_ALTX0;
- p_fmt = MT_TX_TYPE_CT;
+ p_fmt = is_usb ? MT_TX_TYPE_SF : MT_TX_TYPE_CT;
}
- val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+ val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + sz_txd) |
FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_LMAC) |
FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
txwi[0] = cpu_to_le32(val);
@@ -621,8 +610,11 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
}
if (!ieee80211_is_beacon(fc)) {
- val = MT_TXD5_TX_STATUS_HOST | MT_TXD5_SW_POWER_MGMT |
- FIELD_PREP(MT_TXD5_PID, pid);
+ struct ieee80211_hw *hw = mt76_hw(dev);
+
+ val = MT_TXD5_TX_STATUS_HOST | FIELD_PREP(MT_TXD5_PID, pid);
+ if (!ieee80211_hw_check(hw, SUPPORTS_PS))
+ val |= MT_TXD5_SW_POWER_MGMT;
txwi[5] = cpu_to_le32(val);
} else {
txwi[5] = 0;
@@ -648,10 +640,15 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
txwi[3] |= cpu_to_le32(MT_TXD3_NO_ACK);
txwi[7] = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
- FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+ FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype) |
+ FIELD_PREP(MT_TXD7_SPE_IDX, 0x18);
+ if (is_usb)
+ txwi[8] = FIELD_PREP(MT_TXD8_L_TYPE, fc_type) |
+ FIELD_PREP(MT_TXD8_L_SUB_TYPE, fc_stype);
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_mac_write_txwi);
static void
mt7615_txp_skb_unmap_fw(struct mt76_dev *dev, struct mt7615_fw_txp *txp)
@@ -666,24 +663,27 @@ mt7615_txp_skb_unmap_fw(struct mt76_dev *dev, struct mt7615_fw_txp *txp)
static void
mt7615_txp_skb_unmap_hw(struct mt76_dev *dev, struct mt7615_hw_txp *txp)
{
+ u32 last_mask;
int i;
+ last_mask = is_mt7663(dev) ? MT_TXD_LEN_LAST : MT_TXD_LEN_MSDU_LAST;
+
for (i = 0; i < ARRAY_SIZE(txp->ptr); i++) {
struct mt7615_txp_ptr *ptr = &txp->ptr[i];
bool last;
u16 len;
len = le16_to_cpu(ptr->len0);
- last = len & MT_TXD_LEN_MSDU_LAST;
- len &= ~MT_TXD_LEN_MSDU_LAST;
+ last = len & last_mask;
+ len &= MT_TXD_LEN_MASK;
dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf0), len,
DMA_TO_DEVICE);
if (last)
break;
len = le16_to_cpu(ptr->len1);
- last = len & MT_TXD_LEN_MSDU_LAST;
- len &= ~MT_TXD_LEN_MSDU_LAST;
+ last = len & last_mask;
+ len &= MT_TXD_LEN_MASK;
dma_unmap_single(dev->dev, le32_to_cpu(ptr->buf1), len,
DMA_TO_DEVICE);
if (last)
@@ -702,11 +702,7 @@ void mt7615_txp_skb_unmap(struct mt76_dev *dev,
else
mt7615_txp_skb_unmap_hw(dev, &txp->hw);
}
-
-static u32 mt7615_mac_wtbl_addr(struct mt7615_dev *dev, int wcid)
-{
- return MT_WTBL_BASE(dev) + wcid * MT_WTBL_ENTRY_SIZE;
-}
+EXPORT_SYMBOL_GPL(mt7615_txp_skb_unmap);
bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask)
{
@@ -734,22 +730,20 @@ void mt7615_mac_sta_poll(struct mt7615_dev *dev)
struct ieee80211_sta *sta;
struct mt7615_sta *msta;
u32 addr, tx_time[4], rx_time[4];
+ struct list_head sta_poll_list;
int i;
- rcu_read_lock();
+ INIT_LIST_HEAD(&sta_poll_list);
+ spin_lock_bh(&dev->sta_poll_lock);
+ list_splice_init(&dev->sta_poll_list, &sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
- while (true) {
+ while (!list_empty(&sta_poll_list)) {
bool clear = false;
- spin_lock_bh(&dev->sta_poll_lock);
- if (list_empty(&dev->sta_poll_list)) {
- spin_unlock_bh(&dev->sta_poll_lock);
- break;
- }
- msta = list_first_entry(&dev->sta_poll_list,
- struct mt7615_sta, poll_list);
+ msta = list_first_entry(&sta_poll_list, struct mt7615_sta,
+ poll_list);
list_del_init(&msta->poll_list);
- spin_unlock_bh(&dev->sta_poll_lock);
addr = mt7615_mac_wtbl_addr(dev, msta->wcid.idx) + 19 * 4;
@@ -789,30 +783,22 @@ void mt7615_mac_sta_poll(struct mt7615_dev *dev)
rx_cur);
}
}
-
- rcu_read_unlock();
}
+EXPORT_SYMBOL_GPL(mt7615_mac_sta_poll);
-void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
- struct ieee80211_tx_rate *probe_rate,
- struct ieee80211_tx_rate *rates)
+static void
+mt7615_mac_update_rate_desc(struct mt7615_phy *phy, struct mt7615_sta *sta,
+ struct ieee80211_tx_rate *probe_rate,
+ struct ieee80211_tx_rate *rates,
+ struct mt7615_rate_desc *rd)
{
struct mt7615_dev *dev = phy->dev;
struct mt76_phy *mphy = phy->mt76;
struct ieee80211_tx_rate *ref;
- int wcid = sta->wcid.idx;
- u32 addr = mt7615_mac_wtbl_addr(dev, wcid);
- bool stbc = false;
+ bool rateset, stbc = false;
int n_rates = sta->n_rates;
- u8 bw, bw_prev, bw_idx = 0;
- u16 val[4];
- u16 probe_val;
- u32 w5, w27;
- bool rateset;
- int i, k;
-
- if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
- return;
+ u8 bw, bw_prev;
+ int i, j;
for (i = n_rates; i < 4; i++)
rates[i] = rates[n_rates - 1];
@@ -840,10 +826,10 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
if ((ref->flags ^ rates[i].flags) & IEEE80211_TX_RC_SHORT_GI)
rates[i].flags ^= IEEE80211_TX_RC_SHORT_GI;
- for (k = 0; k < i; k++) {
- if (rates[i].idx != rates[k].idx)
+ for (j = 0; j < i; j++) {
+ if (rates[i].idx != rates[j].idx)
continue;
- if ((rates[i].flags ^ rates[k].flags) &
+ if ((rates[i].flags ^ rates[j].flags) &
(IEEE80211_TX_RC_40_MHZ_WIDTH |
IEEE80211_TX_RC_80_MHZ_WIDTH |
IEEE80211_TX_RC_160_MHZ_WIDTH))
@@ -856,65 +842,114 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
}
}
- val[0] = mt7615_mac_tx_rate_val(dev, mphy, &rates[0], stbc, &bw);
+ rd->val[0] = mt7615_mac_tx_rate_val(dev, mphy, &rates[0], stbc, &bw);
bw_prev = bw;
if (probe_rate) {
- probe_val = mt7615_mac_tx_rate_val(dev, mphy, probe_rate,
- stbc, &bw);
+ rd->probe_val = mt7615_mac_tx_rate_val(dev, mphy, probe_rate,
+ stbc, &bw);
if (bw)
- bw_idx = 1;
+ rd->bw_idx = 1;
else
bw_prev = 0;
} else {
- probe_val = val[0];
+ rd->probe_val = rd->val[0];
}
- val[1] = mt7615_mac_tx_rate_val(dev, mphy, &rates[1], stbc, &bw);
+ rd->val[1] = mt7615_mac_tx_rate_val(dev, mphy, &rates[1], stbc, &bw);
if (bw_prev) {
- bw_idx = 3;
+ rd->bw_idx = 3;
bw_prev = bw;
}
- val[2] = mt7615_mac_tx_rate_val(dev, mphy, &rates[2], stbc, &bw);
+ rd->val[2] = mt7615_mac_tx_rate_val(dev, mphy, &rates[2], stbc, &bw);
if (bw_prev) {
- bw_idx = 5;
+ rd->bw_idx = 5;
bw_prev = bw;
}
- val[3] = mt7615_mac_tx_rate_val(dev, mphy, &rates[3], stbc, &bw);
+ rd->val[3] = mt7615_mac_tx_rate_val(dev, mphy, &rates[3], stbc, &bw);
if (bw_prev)
- bw_idx = 7;
+ rd->bw_idx = 7;
+
+ rd->rateset = rateset;
+ rd->bw = bw;
+}
+
+static int
+mt7615_mac_queue_rate_update(struct mt7615_phy *phy, struct mt7615_sta *sta,
+ struct ieee80211_tx_rate *probe_rate,
+ struct ieee80211_tx_rate *rates)
+{
+ struct mt7615_dev *dev = phy->dev;
+ struct mt7615_wtbl_desc *wd;
+
+ wd = kzalloc(sizeof(*wd), GFP_ATOMIC);
+ if (!wd)
+ return -ENOMEM;
+
+ wd->type = MT7615_WTBL_RATE_DESC;
+ wd->sta = sta;
+
+ mt7615_mac_update_rate_desc(phy, sta, probe_rate, rates,
+ &wd->rate);
+ list_add_tail(&wd->node, &dev->wd_head);
+ queue_work(dev->mt76.usb.wq, &dev->wtbl_work);
+
+ return 0;
+}
+
+void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
+ struct ieee80211_tx_rate *probe_rate,
+ struct ieee80211_tx_rate *rates)
+{
+ int wcid = sta->wcid.idx, n_rates = sta->n_rates;
+ struct mt7615_dev *dev = phy->dev;
+ struct mt7615_rate_desc rd;
+ u32 w5, w27, addr;
+
+ if (mt76_is_usb(&dev->mt76)) {
+ mt7615_mac_queue_rate_update(phy, sta, probe_rate, rates);
+ return;
+ }
+
+ if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
+ return;
+ memset(&rd, 0, sizeof(struct mt7615_rate_desc));
+ mt7615_mac_update_rate_desc(phy, sta, probe_rate, rates, &rd);
+
+ addr = mt7615_mac_wtbl_addr(dev, wcid);
w27 = mt76_rr(dev, addr + 27 * 4);
w27 &= ~MT_WTBL_W27_CC_BW_SEL;
- w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, bw);
+ w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, rd.bw);
w5 = mt76_rr(dev, addr + 5 * 4);
w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
MT_WTBL_W5_MPDU_OK_COUNT |
MT_WTBL_W5_MPDU_FAIL_COUNT |
MT_WTBL_W5_RATE_IDX);
- w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, bw) |
- FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE, bw_idx ? bw_idx - 1 : 7);
+ w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, rd.bw) |
+ FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE,
+ rd.bw_idx ? rd.bw_idx - 1 : 7);
mt76_wr(dev, MT_WTBL_RIUCR0, w5);
mt76_wr(dev, MT_WTBL_RIUCR1,
- FIELD_PREP(MT_WTBL_RIUCR1_RATE0, probe_val) |
- FIELD_PREP(MT_WTBL_RIUCR1_RATE1, val[0]) |
- FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, val[1]));
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE0, rd.probe_val) |
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE1, rd.val[0]) |
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rd.val[1]));
mt76_wr(dev, MT_WTBL_RIUCR2,
- FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, val[1] >> 8) |
- FIELD_PREP(MT_WTBL_RIUCR2_RATE3, val[1]) |
- FIELD_PREP(MT_WTBL_RIUCR2_RATE4, val[2]) |
- FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, val[2]));
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, rd.val[1] >> 8) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE3, rd.val[1]) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE4, rd.val[2]) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, rd.val[2]));
mt76_wr(dev, MT_WTBL_RIUCR3,
- FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, val[2] >> 4) |
- FIELD_PREP(MT_WTBL_RIUCR3_RATE6, val[3]) |
- FIELD_PREP(MT_WTBL_RIUCR3_RATE7, val[3]));
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, rd.val[2] >> 4) |
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE6, rd.val[3]) |
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE7, rd.val[3]));
mt76_wr(dev, MT_WTBL_UPDATE,
FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, wcid) |
@@ -924,7 +959,8 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
mt76_wr(dev, addr + 27 * 4, w27);
mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
- sta->rate_set_tsf = (mt76_rr(dev, MT_LPON_UTTR0) & ~BIT(0)) | rateset;
+ sta->rate_set_tsf = mt76_rr(dev, MT_LPON_UTTR0) & ~BIT(0);
+ sta->rate_set_tsf |= rd.rateset;
if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
@@ -932,59 +968,33 @@ void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
sta->rate_count = 2 * MT7615_RATE_RETRY * n_rates;
sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
}
+EXPORT_SYMBOL_GPL(mt7615_mac_set_rates);
-static enum mt7615_cipher_type
-mt7615_mac_get_cipher(int cipher)
-{
- switch (cipher) {
- case WLAN_CIPHER_SUITE_WEP40:
- return MT_CIPHER_WEP40;
- case WLAN_CIPHER_SUITE_WEP104:
- return MT_CIPHER_WEP104;
- case WLAN_CIPHER_SUITE_TKIP:
- return MT_CIPHER_TKIP;
- case WLAN_CIPHER_SUITE_AES_CMAC:
- return MT_CIPHER_BIP_CMAC_128;
- case WLAN_CIPHER_SUITE_CCMP:
- return MT_CIPHER_AES_CCMP;
- case WLAN_CIPHER_SUITE_CCMP_256:
- return MT_CIPHER_CCMP_256;
- case WLAN_CIPHER_SUITE_GCMP:
- return MT_CIPHER_GCMP;
- case WLAN_CIPHER_SUITE_GCMP_256:
- return MT_CIPHER_GCMP_256;
- case WLAN_CIPHER_SUITE_SMS4:
- return MT_CIPHER_WAPI;
- default:
- return MT_CIPHER_NONE;
- }
-}
-
-static int
-mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
- struct ieee80211_key_conf *key,
- enum mt7615_cipher_type cipher,
- enum set_key_cmd cmd)
+int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ u8 *key, u8 keylen,
+ enum mt7615_cipher_type cipher,
+ enum set_key_cmd cmd)
{
u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx) + 30 * 4;
u8 data[32] = {};
- if (key->keylen > sizeof(data))
+ if (keylen > sizeof(data))
return -EINVAL;
mt76_rr_copy(dev, addr, data, sizeof(data));
if (cmd == SET_KEY) {
if (cipher == MT_CIPHER_TKIP) {
/* Rx/Tx MIC keys are swapped */
- memcpy(data + 16, key->key + 24, 8);
- memcpy(data + 24, key->key + 16, 8);
+ memcpy(data + 16, key + 24, 8);
+ memcpy(data + 24, key + 16, 8);
}
if (cipher != MT_CIPHER_BIP_CMAC_128 && wcid->cipher)
memmove(data + 16, data, 16);
if (cipher != MT_CIPHER_BIP_CMAC_128 || !wcid->cipher)
- memcpy(data, key->key, key->keylen);
+ memcpy(data, key, keylen);
else if (cipher == MT_CIPHER_BIP_CMAC_128)
- memcpy(data + 16, key->key, 16);
+ memcpy(data + 16, key, 16);
} else {
if (wcid->cipher & ~BIT(cipher)) {
if (cipher != MT_CIPHER_BIP_CMAC_128)
@@ -998,11 +1008,12 @@ mt7615_mac_wtbl_update_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_mac_wtbl_update_key);
-static int
-mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid,
- enum mt7615_cipher_type cipher, int keyidx,
- enum set_key_cmd cmd)
+int mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ enum mt7615_cipher_type cipher,
+ int keyidx, enum set_key_cmd cmd)
{
u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx), w0, w1;
@@ -1034,11 +1045,12 @@ mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev, struct mt76_wcid *wcid,
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_mac_wtbl_update_pk);
-static void
-mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid,
- enum mt7615_cipher_type cipher,
- enum set_key_cmd cmd)
+void mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ enum mt7615_cipher_type cipher,
+ enum set_key_cmd cmd)
{
u32 addr = mt7615_mac_wtbl_addr(dev, wcid->idx);
@@ -1056,6 +1068,7 @@ mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev, struct mt76_wcid *wcid,
mt76_clear(dev, addr + 2 * 4, MT_WTBL_W2_KEY_TYPE);
}
}
+EXPORT_SYMBOL_GPL(mt7615_mac_wtbl_update_cipher);
int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
struct mt76_wcid *wcid,
@@ -1072,7 +1085,8 @@ int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev,
spin_lock_bh(&dev->mt76.lock);
mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, cmd);
- err = mt7615_mac_wtbl_update_key(dev, wcid, key, cipher, cmd);
+ err = mt7615_mac_wtbl_update_key(dev, wcid, key->key, key->keylen,
+ cipher, cmd);
if (err < 0)
goto out;
@@ -1092,136 +1106,6 @@ out:
return err;
}
-static void
-mt7615_write_hw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info,
- void *txp_ptr, u32 id)
-{
- struct mt7615_hw_txp *txp = txp_ptr;
- struct mt7615_txp_ptr *ptr = &txp->ptr[0];
- int nbuf = tx_info->nbuf - 1;
- int i;
-
- tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp);
- tx_info->nbuf = 1;
-
- txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID);
-
- for (i = 0; i < nbuf; i++) {
- u32 addr = tx_info->buf[i + 1].addr;
- u16 len = tx_info->buf[i + 1].len;
-
- if (i == nbuf - 1)
- len |= MT_TXD_LEN_MSDU_LAST |
- MT_TXD_LEN_AMSDU_LAST;
-
- if (i & 1) {
- ptr->buf1 = cpu_to_le32(addr);
- ptr->len1 = cpu_to_le16(len);
- ptr++;
- } else {
- ptr->buf0 = cpu_to_le32(addr);
- ptr->len0 = cpu_to_le16(len);
- }
- }
-}
-
-static void
-mt7615_write_fw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info,
- void *txp_ptr, u32 id)
-{
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
- struct ieee80211_key_conf *key = info->control.hw_key;
- struct ieee80211_vif *vif = info->control.vif;
- struct mt7615_fw_txp *txp = txp_ptr;
- int nbuf = tx_info->nbuf - 1;
- int i;
-
- for (i = 0; i < nbuf; i++) {
- txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
- txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
- }
- txp->nbuf = nbuf;
-
- /* pass partial skb header to fw */
- tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp);
- tx_info->buf[1].len = MT_CT_PARSE_LEN;
- tx_info->nbuf = MT_CT_DMA_BUF_NUM;
-
- txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD);
-
- if (!key)
- txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
-
- if (ieee80211_is_mgmt(hdr->frame_control))
- txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
-
- if (vif) {
- struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
-
- txp->bss_idx = mvif->idx;
- }
-
- txp->token = cpu_to_le16(id);
- txp->rept_wds_wcid = 0xff;
-}
-
-int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
- enum mt76_txq_id qid, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta,
- struct mt76_tx_info *tx_info)
-{
- struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
- struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid);
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
- struct ieee80211_key_conf *key = info->control.hw_key;
- int pid, id;
- u8 *txwi = (u8 *)txwi_ptr;
- struct mt76_txwi_cache *t;
- void *txp;
-
- if (!wcid)
- wcid = &dev->mt76.global_wcid;
-
- pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
-
- if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) {
- struct mt7615_phy *phy = &dev->phy;
-
- if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && mdev->phy2)
- phy = mdev->phy2->priv;
-
- spin_lock_bh(&dev->mt76.lock);
- mt7615_mac_set_rates(phy, msta, &info->control.rates[0],
- msta->rates);
- msta->rate_probe = true;
- spin_unlock_bh(&dev->mt76.lock);
- }
-
- t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
- t->skb = tx_info->skb;
-
- spin_lock_bh(&dev->token_lock);
- id = idr_alloc(&dev->token, t, 0, MT7615_TOKEN_SIZE, GFP_ATOMIC);
- spin_unlock_bh(&dev->token_lock);
- if (id < 0)
- return id;
-
- mt7615_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, sta,
- pid, key, false);
-
- txp = txwi + MT_TXD_SIZE;
- memset(txp, 0, sizeof(struct mt7615_txp_common));
- if (is_mt7615(&dev->mt76))
- mt7615_write_fw_txp(dev, tx_info, txp, id);
- else
- mt7615_write_hw_txp(dev, tx_info, txp, id);
-
- tx_info->skb = DMA_DUMMY_DATA;
-
- return 0;
-}
-
static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta,
struct ieee80211_tx_info *info, __le32 *txs_data)
{
@@ -1266,7 +1150,7 @@ static bool mt7615_fill_txs(struct mt7615_dev *dev, struct mt7615_sta *sta,
if (ampdu || (info->flags & IEEE80211_TX_CTL_AMPDU))
info->flags |= IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_CTL_AMPDU;
- first_idx = max_t(int, 0, last_idx - (count + 1) / MT7615_RATE_RETRY);
+ first_idx = max_t(int, 0, last_idx - (count - 1) / MT7615_RATE_RETRY);
if (fixed_rate && !probe) {
info->status.rates[0].count = count;
@@ -1399,7 +1283,7 @@ static bool mt7615_mac_add_txs_skb(struct mt7615_dev *dev,
return !!skb;
}
-void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data)
+static void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data)
{
struct ieee80211_tx_info info = {};
struct ieee80211_sta *sta = NULL;
@@ -1419,7 +1303,7 @@ void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data)
if (pid == MT_PACKET_ID_NO_ACK)
return;
- if (wcidx >= ARRAY_SIZE(dev->mt76.wcid))
+ if (wcidx >= MT7615_WTBL_SIZE)
return;
rcu_read_lock();
@@ -1476,7 +1360,7 @@ mt7615_mac_tx_free_token(struct mt7615_dev *dev, u16 token)
mt76_put_txwi(mdev, txwi);
}
-void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb)
+static void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_tx_free *free = (struct mt7615_tx_free *)skb->data;
u8 i, count;
@@ -1497,58 +1381,118 @@ void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb)
dev_kfree_skb(skb);
}
+void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ __le32 *rxd = (__le32 *)skb->data;
+ __le32 *end = (__le32 *)&skb->data[skb->len];
+ enum rx_pkt_type type;
+ u16 flag;
+
+ type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
+ flag = FIELD_GET(MT_RXD0_PKT_FLAG, le32_to_cpu(rxd[0]));
+ if (type == PKT_TYPE_RX_EVENT && flag == 0x1)
+ type = PKT_TYPE_NORMAL_MCU;
+
+ switch (type) {
+ case PKT_TYPE_TXS:
+ for (rxd++; rxd + 7 <= end; rxd += 7)
+ mt7615_mac_add_txs(dev, rxd);
+ dev_kfree_skb(skb);
+ break;
+ case PKT_TYPE_TXRX_NOTIFY:
+ mt7615_mac_tx_free(dev, skb);
+ break;
+ case PKT_TYPE_RX_EVENT:
+ mt7615_mcu_rx_event(dev, skb);
+ break;
+ case PKT_TYPE_NORMAL_MCU:
+ case PKT_TYPE_NORMAL:
+ if (!mt7615_mac_fill_rx(dev, skb)) {
+ mt76_rx(&dev->mt76, q, skb);
+ return;
+ }
+ /* fall through */
+ default:
+ dev_kfree_skb(skb);
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(mt7615_queue_rx_skb);
+
static void
-mt7615_mac_set_default_sensitivity(struct mt7615_phy *phy)
+mt7615_mac_set_sensitivity(struct mt7615_phy *phy, int val, bool ofdm)
{
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
- mt76_rmw(dev, MT_WF_PHY_MIN_PRI_PWR(ext_phy),
- MT_WF_PHY_PD_OFDM_MASK(ext_phy),
- MT_WF_PHY_PD_OFDM(ext_phy, 0x13c));
- mt76_rmw(dev, MT_WF_PHY_RXTD_CCK_PD(ext_phy),
- MT_WF_PHY_PD_CCK_MASK(ext_phy),
- MT_WF_PHY_PD_CCK(ext_phy, 0x92));
+ if (is_mt7663(&dev->mt76)) {
+ if (ofdm)
+ mt76_rmw(dev, MT7663_WF_PHY_MIN_PRI_PWR(ext_phy),
+ MT_WF_PHY_PD_OFDM_MASK(0),
+ MT_WF_PHY_PD_OFDM(0, val));
+ else
+ mt76_rmw(dev, MT7663_WF_PHY_RXTD_CCK_PD(ext_phy),
+ MT_WF_PHY_PD_CCK_MASK(ext_phy),
+ MT_WF_PHY_PD_CCK(ext_phy, val));
+ return;
+ }
+
+ if (ofdm)
+ mt76_rmw(dev, MT_WF_PHY_MIN_PRI_PWR(ext_phy),
+ MT_WF_PHY_PD_OFDM_MASK(ext_phy),
+ MT_WF_PHY_PD_OFDM(ext_phy, val));
+ else
+ mt76_rmw(dev, MT_WF_PHY_RXTD_CCK_PD(ext_phy),
+ MT_WF_PHY_PD_CCK_MASK(ext_phy),
+ MT_WF_PHY_PD_CCK(ext_phy, val));
+}
+
+static void
+mt7615_mac_set_default_sensitivity(struct mt7615_phy *phy)
+{
+ /* ofdm */
+ mt7615_mac_set_sensitivity(phy, 0x13c, true);
+ /* cck */
+ mt7615_mac_set_sensitivity(phy, 0x92, false);
phy->ofdm_sensitivity = -98;
phy->cck_sensitivity = -110;
phy->last_cca_adj = jiffies;
}
-void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable)
+void mt7615_mac_set_scs(struct mt7615_phy *phy, bool enable)
{
- struct mt7615_phy *ext_phy;
+ struct mt7615_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ u32 reg, mask;
mutex_lock(&dev->mt76.mutex);
- if (dev->scs_en == enable)
+ if (phy->scs_en == enable)
goto out;
- if (is_mt7663(&dev->mt76))
- goto out;
+ if (is_mt7663(&dev->mt76)) {
+ reg = MT7663_WF_PHY_MIN_PRI_PWR(ext_phy);
+ mask = MT_WF_PHY_PD_BLK(0);
+ } else {
+ reg = MT_WF_PHY_MIN_PRI_PWR(ext_phy);
+ mask = MT_WF_PHY_PD_BLK(ext_phy);
+ }
if (enable) {
- mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(0),
- MT_WF_PHY_PD_BLK(0));
- mt76_set(dev, MT_WF_PHY_MIN_PRI_PWR(1),
- MT_WF_PHY_PD_BLK(1));
+ mt76_set(dev, reg, mask);
if (is_mt7622(&dev->mt76)) {
- mt76_set(dev, MT_MIB_M0_MISC_CR, 0x7 << 8);
- mt76_set(dev, MT_MIB_M0_MISC_CR, 0x7);
+ mt76_set(dev, MT_MIB_M0_MISC_CR(0), 0x7 << 8);
+ mt76_set(dev, MT_MIB_M0_MISC_CR(0), 0x7);
}
} else {
- mt76_clear(dev, MT_WF_PHY_MIN_PRI_PWR(0),
- MT_WF_PHY_PD_BLK(0));
- mt76_clear(dev, MT_WF_PHY_MIN_PRI_PWR(1),
- MT_WF_PHY_PD_BLK(1));
+ mt76_clear(dev, reg, mask);
}
- mt7615_mac_set_default_sensitivity(&dev->phy);
- ext_phy = mt7615_ext_phy(dev);
- if (ext_phy)
- mt7615_mac_set_default_sensitivity(ext_phy);
-
- dev->scs_en = enable;
+ mt7615_mac_set_default_sensitivity(phy);
+ phy->scs_en = enable;
out:
mutex_unlock(&dev->mt76.mutex);
@@ -1556,10 +1500,12 @@ out:
void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy)
{
- u32 rxtd;
+ u32 rxtd, reg;
if (is_mt7663(&dev->mt76))
- return;
+ reg = MT7663_WF_PHY_R0_PHYMUX_5;
+ else
+ reg = MT_WF_PHY_R0_PHYMUX_5(ext_phy);
if (ext_phy)
rxtd = MT_WF_PHY_RXTD2(10);
@@ -1567,15 +1513,21 @@ void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy)
rxtd = MT_WF_PHY_RXTD(12);
mt76_set(dev, rxtd, BIT(18) | BIT(29));
- mt76_set(dev, MT_WF_PHY_R0_PHYMUX_5(ext_phy), 0x5 << 12);
+ mt76_set(dev, reg, 0x5 << 12);
}
void mt7615_mac_cca_stats_reset(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
- u32 reg = MT_WF_PHY_R0_PHYMUX_5(ext_phy);
+ u32 reg;
+ if (is_mt7663(&dev->mt76))
+ reg = MT7663_WF_PHY_R0_PHYMUX_5;
+ else
+ reg = MT_WF_PHY_R0_PHYMUX_5(ext_phy);
+
+ /* reset PD and MDRDY counters */
mt76_clear(dev, reg, GENMASK(22, 20));
mt76_set(dev, reg, BIT(22) | BIT(20));
}
@@ -1627,19 +1579,9 @@ mt7615_mac_adjust_sensitivity(struct mt7615_phy *phy,
}
if (update) {
- u16 val;
+ u16 val = ofdm ? *sensitivity * 2 + 512 : *sensitivity + 256;
- if (ofdm) {
- val = *sensitivity * 2 + 512;
- mt76_rmw(dev, MT_WF_PHY_MIN_PRI_PWR(ext_phy),
- MT_WF_PHY_PD_OFDM_MASK(ext_phy),
- MT_WF_PHY_PD_OFDM(ext_phy, val));
- } else {
- val = *sensitivity + 256;
- mt76_rmw(dev, MT_WF_PHY_RXTD_CCK_PD(ext_phy),
- MT_WF_PHY_PD_CCK_MASK(ext_phy),
- MT_WF_PHY_PD_CCK(ext_phy, val));
- }
+ mt7615_mac_set_sensitivity(phy, val, ofdm);
phy->last_cca_adj = jiffies;
}
}
@@ -1653,14 +1595,20 @@ mt7615_mac_scs_check(struct mt7615_phy *phy)
u32 mdrdy_cck, mdrdy_ofdm, pd_cck, pd_ofdm;
bool ext_phy = phy != &dev->phy;
- if (!dev->scs_en)
+ if (!phy->scs_en)
return;
- val = mt76_rr(dev, MT_WF_PHY_R0_PHYCTRL_STS0(ext_phy));
+ if (is_mt7663(&dev->mt76))
+ val = mt76_rr(dev, MT7663_WF_PHY_R0_PHYCTRL_STS0(ext_phy));
+ else
+ val = mt76_rr(dev, MT_WF_PHY_R0_PHYCTRL_STS0(ext_phy));
pd_cck = FIELD_GET(MT_WF_PHYCTRL_STAT_PD_CCK, val);
pd_ofdm = FIELD_GET(MT_WF_PHYCTRL_STAT_PD_OFDM, val);
- val = mt76_rr(dev, MT_WF_PHY_R0_PHYCTRL_STS5(ext_phy));
+ if (is_mt7663(&dev->mt76))
+ val = mt76_rr(dev, MT7663_WF_PHY_R0_PHYCTRL_STS5(ext_phy));
+ else
+ val = mt76_rr(dev, MT_WF_PHY_R0_PHYCTRL_STS5(ext_phy));
mdrdy_cck = FIELD_GET(MT_WF_PHYCTRL_STAT_MDRDY_CCK, val);
mdrdy_ofdm = FIELD_GET(MT_WF_PHYCTRL_STAT_MDRDY_OFDM, val);
@@ -1685,10 +1633,14 @@ static u8
mt7615_phy_get_nf(struct mt7615_dev *dev, int idx)
{
static const u8 nf_power[] = { 92, 89, 86, 83, 80, 75, 70, 65, 60, 55, 52 };
- u32 reg = idx ? MT_WF_PHY_RXTD2(17) : MT_WF_PHY_RXTD(20);
- u32 val, sum = 0, n = 0;
+ u32 reg, val, sum = 0, n = 0;
int i;
+ if (is_mt7663(&dev->mt76))
+ reg = MT7663_WF_PHY_RXTD(20);
+ else
+ reg = idx ? MT_WF_PHY_RXTD2(17) : MT_WF_PHY_RXTD(20);
+
for (i = 0; i < ARRAY_SIZE(nf_power); i++, reg += 4) {
val = mt76_rr(dev, reg);
sum += val * nf_power[i];
@@ -1744,6 +1696,7 @@ void mt7615_update_channel(struct mt76_dev *mdev)
/* reset obss airtime */
mt76_set(dev, MT_WF_RMAC_MIB_TIME0, MT_WF_RMAC_MIB_RXTIME_CLR);
}
+EXPORT_SYMBOL_GPL(mt7615_update_channel);
static void
mt7615_mac_update_mib_stats(struct mt7615_phy *phy)
@@ -1751,64 +1704,71 @@ mt7615_mac_update_mib_stats(struct mt7615_phy *phy)
struct mt7615_dev *dev = phy->dev;
struct mib_stats *mib = &phy->mib;
bool ext_phy = phy != &dev->phy;
- int i;
+ int i, aggr;
+ u32 val, val2;
memset(mib, 0, sizeof(*mib));
mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
MT_MIB_SDR3_FCS_ERR_MASK);
+ val = mt76_get_field(dev, MT_MIB_SDR14(ext_phy),
+ MT_MIB_AMPDU_MPDU_COUNT);
+ if (val) {
+ val2 = mt76_get_field(dev, MT_MIB_SDR15(ext_phy),
+ MT_MIB_AMPDU_ACK_COUNT);
+ mib->aggr_per = 1000 * (val - val2) / val;
+ }
+
+ aggr = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
for (i = 0; i < 4; i++) {
- u32 data, val, val2;
-
- val = mt76_get_field(dev, MT_MIB_MB_SDR1(ext_phy, i),
- MT_MIB_ACK_FAIL_COUNT_MASK);
- if (val > mib->ack_fail_cnt)
- mib->ack_fail_cnt = val;
-
- val2 = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i));
- data = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val2);
- if (data > mib->rts_retries_cnt) {
- mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val2);
- mib->rts_retries_cnt = data;
+ val = mt76_rr(dev, MT_MIB_MB_SDR1(ext_phy, i));
+
+ val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
+ if (val2 > mib->ack_fail_cnt)
+ mib->ack_fail_cnt = val2;
+
+ val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
+ if (val2 > mib->ba_miss_cnt)
+ mib->ba_miss_cnt = val2;
+
+ val = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i));
+ val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);
+ if (val2 > mib->rts_retries_cnt) {
+ mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val);
+ mib->rts_retries_cnt = val2;
}
+
+ val = mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i));
+
+ dev->mt76.aggr_stats[aggr++] += val & 0xffff;
+ dev->mt76.aggr_stats[aggr++] += val >> 16;
}
}
void mt7615_mac_work(struct work_struct *work)
{
- struct mt7615_dev *dev;
- struct mt7615_phy *ext_phy;
- int i, idx;
+ struct mt7615_phy *phy;
+ struct mt76_dev *mdev;
- dev = (struct mt7615_dev *)container_of(work, struct mt76_dev,
+ phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
mac_work.work);
+ mdev = &phy->dev->mt76;
- mutex_lock(&dev->mt76.mutex);
- mt76_update_survey(&dev->mt76);
- if (++dev->mac_work_count == 5) {
- ext_phy = mt7615_ext_phy(dev);
-
- mt7615_mac_update_mib_stats(&dev->phy);
- mt7615_mac_scs_check(&dev->phy);
- if (ext_phy) {
- mt7615_mac_update_mib_stats(ext_phy);
- mt7615_mac_scs_check(ext_phy);
- }
+ mutex_lock(&mdev->mutex);
- dev->mac_work_count = 0;
- }
+ mt76_update_survey(mdev);
+ if (++phy->mac_work_count == 5) {
+ phy->mac_work_count = 0;
- for (i = 0, idx = 0; i < 4; i++) {
- u32 val = mt76_rr(dev, MT_TX_AGG_CNT(i));
-
- dev->mt76.aggr_stats[idx++] += val & 0xffff;
- dev->mt76.aggr_stats[idx++] += val >> 16;
+ mt7615_mac_update_mib_stats(phy);
+ mt7615_mac_scs_check(phy);
}
- mutex_unlock(&dev->mt76.mutex);
- mt76_tx_status_check(&dev->mt76, NULL, false);
- ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+ mutex_unlock(&mdev->mutex);
+
+ mt76_tx_status_check(mdev, NULL, false);
+ ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
}
@@ -1848,8 +1808,7 @@ mt7615_update_beacons(struct mt7615_dev *dev)
mt7615_update_vif_beacon, dev->mt76.phy2->hw);
}
-static void
-mt7615_dma_reset(struct mt7615_dev *dev)
+void mt7615_dma_reset(struct mt7615_dev *dev)
{
int i;
@@ -1861,36 +1820,49 @@ mt7615_dma_reset(struct mt7615_dev *dev)
for (i = 0; i < __MT_TXQ_MAX; i++)
mt76_queue_tx_cleanup(dev, i, true);
- for (i = 0; i < ARRAY_SIZE(dev->mt76.q_rx); i++)
+ mt76_for_each_q_rx(&dev->mt76, i) {
mt76_queue_rx_reset(dev, i);
+ }
mt76_set(dev, MT_WPDMA_GLO_CFG,
MT_WPDMA_GLO_CFG_RX_DMA_EN | MT_WPDMA_GLO_CFG_TX_DMA_EN |
MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE);
}
+EXPORT_SYMBOL_GPL(mt7615_dma_reset);
void mt7615_mac_reset_work(struct work_struct *work)
{
+ struct mt7615_phy *phy2;
+ struct mt76_phy *ext_phy;
struct mt7615_dev *dev;
dev = container_of(work, struct mt7615_dev, reset_work);
+ ext_phy = dev->mt76.phy2;
+ phy2 = ext_phy ? ext_phy->priv : NULL;
if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_PDMA))
return;
ieee80211_stop_queues(mt76_hw(dev));
- if (dev->mt76.phy2)
- ieee80211_stop_queues(dev->mt76.phy2->hw);
+ if (ext_phy)
+ ieee80211_stop_queues(ext_phy->hw);
set_bit(MT76_RESET, &dev->mphy.state);
set_bit(MT76_MCU_RESET, &dev->mphy.state);
wake_up(&dev->mt76.mcu.wait);
- cancel_delayed_work_sync(&dev->mt76.mac_work);
+ cancel_delayed_work_sync(&dev->phy.mac_work);
+ del_timer_sync(&dev->phy.roc_timer);
+ cancel_work_sync(&dev->phy.roc_work);
+ if (phy2) {
+ cancel_delayed_work_sync(&phy2->mac_work);
+ del_timer_sync(&phy2->roc_timer);
+ cancel_work_sync(&phy2->roc_work);
+ }
/* lock/unlock all queues to ensure that no tx is pending */
mt76_txq_schedule_all(&dev->mphy);
- if (dev->mt76.phy2)
- mt76_txq_schedule_all(dev->mt76.phy2);
+ if (ext_phy)
+ mt76_txq_schedule_all(ext_phy);
tasklet_disable(&dev->mt76.tx_tasklet);
napi_disable(&dev->mt76.napi[0]);
@@ -1924,8 +1896,8 @@ void mt7615_mac_reset_work(struct work_struct *work)
napi_schedule(&dev->mt76.napi[1]);
ieee80211_wake_queues(mt76_hw(dev));
- if (dev->mt76.phy2)
- ieee80211_wake_queues(dev->mt76.phy2->hw);
+ if (ext_phy)
+ ieee80211_wake_queues(ext_phy->hw);
mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
mt7615_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
@@ -1934,8 +1906,12 @@ void mt7615_mac_reset_work(struct work_struct *work)
mt7615_update_beacons(dev);
- ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->phy.mac_work,
MT7615_WATCHDOG_TIME);
+ if (phy2)
+ ieee80211_queue_delayed_work(ext_phy->hw, &phy2->mac_work,
+ MT7615_WATCHDOG_TIME);
+
}
static void mt7615_dfs_stop_radar_detector(struct mt7615_phy *phy)
@@ -2031,6 +2007,9 @@ int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy)
bool ext_phy = phy != &dev->phy;
int err;
+ if (is_mt7663(&dev->mt76))
+ return 0;
+
if (dev->mt76.region == NL80211_DFS_UNSET) {
phy->dfs_state = -1;
if (phy->rdd_state)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
index e0b89257db90..f0d4b29a52a2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.h
@@ -167,6 +167,10 @@ enum tx_phy_bandwidth {
#define MT_TXD_SIZE (8 * 4)
+#define MT_USB_TXD_SIZE (MT_TXD_SIZE + 8 * 4)
+#define MT_USB_HDR_SIZE 4
+#define MT_USB_TAIL_SIZE 4
+
#define MT_TXD0_P_IDX BIT(31)
#define MT_TXD0_Q_IDX GENMASK(30, 26)
#define MT_TXD0_UDP_TCP_SUM BIT(24)
@@ -252,8 +256,11 @@ enum tx_phy_bandwidth {
#define MT_MSDU_ID_VALID BIT(15)
+#define MT_TXD_LEN_MASK GENMASK(11, 0)
#define MT_TXD_LEN_MSDU_LAST BIT(14)
#define MT_TXD_LEN_AMSDU_LAST BIT(15)
+/* mt7663 */
+#define MT_TXD_LEN_LAST BIT(15)
struct mt7615_txp_ptr {
__le32 buf0;
@@ -393,6 +400,33 @@ enum mt7615_cipher_type {
MT_CIPHER_GCMP_256,
};
+static inline enum mt7615_cipher_type
+mt7615_mac_get_cipher(int cipher)
+{
+ switch (cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ return MT_CIPHER_WEP40;
+ case WLAN_CIPHER_SUITE_WEP104:
+ return MT_CIPHER_WEP104;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return MT_CIPHER_TKIP;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ return MT_CIPHER_BIP_CMAC_128;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return MT_CIPHER_AES_CCMP;
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ return MT_CIPHER_CCMP_256;
+ case WLAN_CIPHER_SUITE_GCMP:
+ return MT_CIPHER_GCMP;
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ return MT_CIPHER_GCMP_256;
+ case WLAN_CIPHER_SUITE_SMS4:
+ return MT_CIPHER_WAPI;
+ default:
+ return MT_CIPHER_NONE;
+ }
+}
+
static inline struct mt7615_txp_common *
mt7615_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
{
@@ -406,4 +440,9 @@ mt7615_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
return (struct mt7615_txp_common *)(txwi + MT_TXD_SIZE);
}
+static inline u32 mt7615_mac_wtbl_addr(struct mt7615_dev *dev, int wcid)
+{
+ return MT_WTBL_BASE(dev) + wcid * MT_WTBL_ENTRY_SIZE;
+}
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 6586176c29af..c26f99b368d9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -4,11 +4,10 @@
* Author: Roy Luo <royluo@google.com>
* Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
*/
#include <linux/etherdevice.h>
-#include <linux/platform_device.h>
-#include <linux/pci.h>
#include <linux/module.h>
#include "mt7615.h"
#include "mcu.h"
@@ -50,19 +49,17 @@ static int mt7615_start(struct ieee80211_hw *hw)
mt7615_mac_enable_nf(dev, 1);
}
+ mt7615_mcu_set_channel_domain(phy);
mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
- if (running)
- goto out;
-
- mt7615_mac_reset_counters(dev);
-
- ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+ ieee80211_queue_delayed_work(hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
-out:
+ if (!running)
+ mt7615_mac_reset_counters(dev);
+
mutex_unlock(&dev->mt76.mutex);
return 0;
@@ -73,9 +70,14 @@ static void mt7615_stop(struct ieee80211_hw *hw)
struct mt7615_dev *dev = mt7615_hw_dev(hw);
struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ cancel_delayed_work_sync(&phy->mac_work);
+ del_timer_sync(&phy->roc_timer);
+ cancel_work_sync(&phy->roc_work);
+
mutex_lock(&dev->mt76.mutex);
clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ cancel_delayed_work_sync(&phy->scan_work);
if (phy != &dev->phy) {
mt7615_mcu_set_pm(dev, 1, 1);
@@ -83,8 +85,6 @@ static void mt7615_stop(struct ieee80211_hw *hw)
}
if (!mt7615_dev_running(dev)) {
- cancel_delayed_work_sync(&dev->mt76.mac_work);
-
mt7615_mcu_set_pm(dev, 0, 1);
mt7615_mcu_set_mac_enable(dev, 0, false);
}
@@ -157,10 +157,6 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
else
mvif->wmm_idx = mvif->idx % MT7615_MAX_WMM_SETS;
- ret = mt7615_mcu_add_dev_info(dev, vif, true);
- if (ret)
- goto out;
-
dev->vif_mask |= BIT(mvif->idx);
dev->omac_mask |= BIT(mvif->omac_idx);
phy->omac_mask |= BIT(mvif->omac_idx);
@@ -183,6 +179,7 @@ static int mt7615_add_interface(struct ieee80211_hw *hw,
mt76_txq_init(&dev->mt76, vif->txq);
}
+ ret = mt7615_mcu_add_dev_info(dev, vif, true);
out:
mutex_unlock(&dev->mt76.mutex);
@@ -218,20 +215,44 @@ static void mt7615_remove_interface(struct ieee80211_hw *hw,
spin_unlock_bh(&dev->sta_poll_lock);
}
+static void mt7615_init_dfs_state(struct mt7615_phy *phy)
+{
+ struct mt76_phy *mphy = phy->mt76;
+ struct ieee80211_hw *hw = mphy->hw;
+ struct cfg80211_chan_def *chandef = &hw->conf.chandef;
+
+ if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
+ return;
+
+ if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+ return;
+
+ if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
+ mphy->chandef.width == chandef->width)
+ return;
+
+ phy->dfs_state = -1;
+}
+
static int mt7615_set_channel(struct mt7615_phy *phy)
{
struct mt7615_dev *dev = phy->dev;
bool ext_phy = phy != &dev->phy;
int ret;
- cancel_delayed_work_sync(&dev->mt76.mac_work);
+ cancel_delayed_work_sync(&phy->mac_work);
mutex_lock(&dev->mt76.mutex);
set_bit(MT76_RESET, &phy->mt76->state);
- phy->dfs_state = -1;
+ mt7615_init_dfs_state(phy);
mt76_set_channel(phy->mt76);
+ if (is_mt7615(&dev->mt76) && dev->flash_eeprom) {
+ mt7615_mcu_apply_rx_dcoc(phy);
+ mt7615_mcu_apply_tx_dpd(phy);
+ }
+
ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
if (ret)
goto out;
@@ -250,11 +271,41 @@ out:
mutex_unlock(&dev->mt76.mutex);
mt76_txq_schedule_all(phy->mt76);
- ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
+ ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
MT7615_WATCHDOG_TIME);
return ret;
}
+static int
+mt7615_queue_key_update(struct mt7615_dev *dev, enum set_key_cmd cmd,
+ struct mt7615_sta *msta,
+ struct ieee80211_key_conf *key)
+{
+ struct mt7615_wtbl_desc *wd;
+
+ wd = kzalloc(sizeof(*wd), GFP_KERNEL);
+ if (!wd)
+ return -ENOMEM;
+
+ wd->type = MT7615_WTBL_KEY_DESC;
+ wd->sta = msta;
+
+ wd->key.key = kmemdup(key->key, key->keylen, GFP_KERNEL);
+ if (!wd->key.key) {
+ kfree(wd);
+ return -ENOMEM;
+ }
+ wd->key.cipher = key->cipher;
+ wd->key.keyidx = key->keyidx;
+ wd->key.keylen = key->keylen;
+ wd->key.cmd = cmd;
+
+ list_add_tail(&wd->node, &dev->wd_head);
+ queue_work(dev->mt76.usb.wq, &dev->wtbl_work);
+
+ return 0;
+}
+
static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
@@ -303,6 +354,9 @@ static int mt7615_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
mt76_wcid_key_setup(&dev->mt76, wcid,
cmd == SET_KEY ? key : NULL);
+ if (mt76_is_usb(&dev->mt76))
+ return mt7615_queue_key_update(dev, cmd, msta, key);
+
return mt7615_mac_wtbl_set_key(dev, wcid, key, cmd);
}
@@ -408,15 +462,12 @@ static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
u32 changed)
{
struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
mutex_lock(&dev->mt76.mutex);
- if (changed & BSS_CHANGED_ASSOC)
- mt7615_mcu_add_bss_info(dev, vif, info->assoc);
-
if (changed & BSS_CHANGED_ERP_SLOT) {
int slottime = info->use_short_slot ? 9 : 20;
- struct mt7615_phy *phy = mt7615_hw_phy(hw);
if (slottime != phy->slottime) {
phy->slottime = slottime;
@@ -425,14 +476,20 @@ static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
- mt7615_mcu_add_bss_info(dev, vif, info->enable_beacon);
+ mt7615_mcu_add_bss_info(phy, vif, NULL, info->enable_beacon);
mt7615_mcu_sta_add(dev, vif, NULL, info->enable_beacon);
+
+ if (vif->p2p && info->enable_beacon)
+ mt7615_mcu_set_p2p_oppps(hw, vif);
}
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED))
mt7615_mcu_add_beacon(dev, hw, vif, info->enable_beacon);
+ if (changed & BSS_CHANGED_PS)
+ mt7615_mcu_set_vif_ps(dev, vif);
+
mutex_unlock(&dev->mt76.mutex);
}
@@ -466,13 +523,19 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
msta->wcid.idx = idx;
msta->wcid.ext_phy = mvif->band_idx;
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
+ struct mt7615_phy *phy;
+
+ phy = mvif->band_idx ? mt7615_ext_phy(dev) : &dev->phy;
+ mt7615_mcu_add_bss_info(phy, vif, sta, true);
+ }
mt7615_mac_wtbl_update(dev, idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
-
mt7615_mcu_sta_add(dev, vif, sta, true);
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_mac_sta_add);
void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct ieee80211_sta *sta)
@@ -483,12 +546,20 @@ void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
mt7615_mcu_sta_add(dev, vif, sta, false);
mt7615_mac_wtbl_update(dev, msta->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_phy *phy;
+
+ phy = mvif->band_idx ? mt7615_ext_phy(dev) : &dev->phy;
+ mt7615_mcu_add_bss_info(phy, vif, sta, false);
+ }
spin_lock_bh(&dev->sta_poll_lock);
if (!list_empty(&msta->poll_list))
list_del_init(&msta->poll_list);
spin_unlock_bh(&dev->sta_poll_lock);
}
+EXPORT_SYMBOL_GPL(mt7615_mac_sta_remove);
static void mt7615_sta_rate_tbl_update(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
@@ -694,13 +765,242 @@ mt7615_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
}
phy->chainmask = tx_ant;
- mt76_set_stream_caps(&dev->mt76, true);
+ mt76_set_stream_caps(phy->mt76, true);
mutex_unlock(&dev->mt76.mutex);
return 0;
}
+static void mt7615_roc_iter(void *priv, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mt7615_phy *phy = priv;
+
+ mt7615_mcu_set_roc(phy, vif, NULL, 0);
+}
+
+void mt7615_roc_work(struct work_struct *work)
+{
+ struct mt7615_phy *phy;
+
+ phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
+ roc_work);
+
+ if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
+ return;
+
+ ieee80211_iterate_active_interfaces(phy->mt76->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7615_roc_iter, phy);
+ ieee80211_remain_on_channel_expired(phy->mt76->hw);
+}
+
+void mt7615_roc_timer(struct timer_list *timer)
+{
+ struct mt7615_phy *phy = from_timer(phy, timer, roc_timer);
+
+ ieee80211_queue_work(phy->mt76->hw, &phy->roc_work);
+}
+
+void mt7615_scan_work(struct work_struct *work)
+{
+ struct mt7615_phy *phy;
+
+ phy = (struct mt7615_phy *)container_of(work, struct mt7615_phy,
+ scan_work.work);
+
+ while (true) {
+ struct mt7615_mcu_rxd *rxd;
+ struct sk_buff *skb;
+
+ spin_lock_bh(&phy->dev->mt76.lock);
+ skb = __skb_dequeue(&phy->scan_event_list);
+ spin_unlock_bh(&phy->dev->mt76.lock);
+
+ if (!skb)
+ break;
+
+ rxd = (struct mt7615_mcu_rxd *)skb->data;
+ if (rxd->eid == MCU_EVENT_SCHED_SCAN_DONE) {
+ ieee80211_sched_scan_results(phy->mt76->hw);
+ } else if (test_and_clear_bit(MT76_HW_SCANNING,
+ &phy->mt76->state)) {
+ struct cfg80211_scan_info info = {
+ .aborted = false,
+ };
+
+ ieee80211_scan_completed(phy->mt76->hw, &info);
+ }
+ dev_kfree_skb(skb);
+ }
+}
+
+static int
+mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *req)
+{
+ struct mt76_phy *mphy = hw->priv;
+
+ return mt7615_mcu_hw_scan(mphy->priv, vif, req);
+}
+
+static void
+mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76_phy *mphy = hw->priv;
+
+ mt7615_mcu_cancel_hw_scan(mphy->priv, vif);
+}
+
+static int
+mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *req,
+ struct ieee80211_scan_ies *ies)
+{
+ struct mt76_phy *mphy = hw->priv;
+ int err;
+
+ err = mt7615_mcu_sched_scan_req(mphy->priv, vif, req);
+ if (err < 0)
+ return err;
+
+ return mt7615_mcu_sched_scan_enable(mphy->priv, vif, true);
+}
+
+static int
+mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt76_phy *mphy = hw->priv;
+
+ return mt7615_mcu_sched_scan_enable(mphy->priv, vif, false);
+}
+
+static int mt7615_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan,
+ int duration,
+ enum ieee80211_roc_type type)
+{
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ int err;
+
+ if (test_and_set_bit(MT76_STATE_ROC, &phy->mt76->state))
+ return 0;
+
+ err = mt7615_mcu_set_roc(phy, vif, chan, duration);
+ if (err < 0) {
+ clear_bit(MT76_STATE_ROC, &phy->mt76->state);
+ return err;
+ }
+
+ if (!wait_event_timeout(phy->roc_wait, phy->roc_grant, HZ)) {
+ mt7615_mcu_set_roc(phy, vif, NULL, 0);
+ clear_bit(MT76_STATE_ROC, &phy->mt76->state);
+
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+
+ if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
+ return 0;
+
+ del_timer_sync(&phy->roc_timer);
+ cancel_work_sync(&phy->roc_work);
+
+ mt7615_mcu_set_roc(phy, vif, NULL, 0);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int mt7615_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ bool ext_phy = phy != &dev->phy;
+ int err = 0;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+ cancel_delayed_work_sync(&phy->scan_work);
+ cancel_delayed_work_sync(&phy->mac_work);
+
+ mt76_set(dev, MT_WF_RFCR(ext_phy), MT_WF_RFCR_DROP_OTHER_BEACON);
+
+ set_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7615_mcu_set_suspend_iter, phy);
+
+ if (!mt7615_dev_running(dev))
+ err = mt7615_mcu_set_hif_suspend(dev, true);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return err;
+}
+
+static int mt7615_resume(struct ieee80211_hw *hw)
+{
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ bool running, ext_phy = phy != &dev->phy;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ running = mt7615_dev_running(dev);
+ set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+ if (!running) {
+ int err;
+
+ err = mt7615_mcu_set_hif_suspend(dev, false);
+ if (err < 0) {
+ mutex_unlock(&dev->mt76.mutex);
+ return err;
+ }
+ }
+
+ clear_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
+ ieee80211_iterate_active_interfaces(hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7615_mcu_set_suspend_iter, phy);
+
+ ieee80211_queue_delayed_work(hw, &phy->mac_work,
+ MT7615_WATCHDOG_TIME);
+ mt76_clear(dev, MT_WF_RFCR(ext_phy), MT_WF_RFCR_DROP_OTHER_BEACON);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static void mt7615_set_wakeup(struct ieee80211_hw *hw, bool enabled)
+{
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt76_dev *mdev = &dev->mt76;
+
+ device_set_wakeup_enable(mdev->dev, enabled);
+}
+
+static void mt7615_set_rekey_data(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ mt7615_mcu_update_gtk_rekey(hw, vif, data);
+}
+#endif /* CONFIG_PM */
+
const struct ieee80211_ops mt7615_ops = {
.tx = mt7615_tx,
.start = mt7615_start,
@@ -730,32 +1030,19 @@ const struct ieee80211_ops mt7615_ops = {
.get_antenna = mt76_get_antenna,
.set_antenna = mt7615_set_antenna,
.set_coverage_class = mt7615_set_coverage_class,
+ .hw_scan = mt7615_hw_scan,
+ .cancel_hw_scan = mt7615_cancel_hw_scan,
+ .sched_scan_start = mt7615_start_sched_scan,
+ .sched_scan_stop = mt7615_stop_sched_scan,
+ .remain_on_channel = mt7615_remain_on_channel,
+ .cancel_remain_on_channel = mt7615_cancel_remain_on_channel,
+#ifdef CONFIG_PM
+ .suspend = mt7615_suspend,
+ .resume = mt7615_resume,
+ .set_wakeup = mt7615_set_wakeup,
+ .set_rekey_data = mt7615_set_rekey_data,
+#endif /* CONFIG_PM */
};
+EXPORT_SYMBOL_GPL(mt7615_ops);
-static int __init mt7615_init(void)
-{
- int ret;
-
- ret = pci_register_driver(&mt7615_pci_driver);
- if (ret)
- return ret;
-
- if (IS_ENABLED(CONFIG_MT7622_WMAC)) {
- ret = platform_driver_register(&mt7622_wmac_driver);
- if (ret)
- pci_unregister_driver(&mt7615_pci_driver);
- }
-
- return ret;
-}
-
-static void __exit mt7615_exit(void)
-{
- if (IS_ENABLED(CONFIG_MT7622_WMAC))
- platform_driver_unregister(&mt7622_wmac_driver);
- pci_unregister_driver(&mt7615_pci_driver);
-}
-
-module_init(mt7615_init);
-module_exit(mt7615_exit);
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 610cfa918c7b..6e869b8c5e26 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -11,6 +11,11 @@
#include "mac.h"
#include "eeprom.h"
+static bool prefer_offload_fw = true;
+module_param(prefer_offload_fw, bool, 0644);
+MODULE_PARM_DESC(prefer_offload_fw,
+ "Prefer client mode offload firmware (MT7663)");
+
struct mt7615_patch_hdr {
char build_date[16];
char platform[4];
@@ -135,16 +140,24 @@ void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
mcu_txd->pkt_type = MCU_PKT_ID;
mcu_txd->seq = seq;
- if (cmd & MCU_FW_PREFIX) {
+ switch (cmd & ~MCU_CMD_MASK) {
+ case MCU_FW_PREFIX:
mcu_txd->set_query = MCU_Q_NA;
mcu_txd->cid = mcu_cmd;
- } else {
+ break;
+ case MCU_CE_PREFIX:
+ mcu_txd->set_query = MCU_Q_SET;
+ mcu_txd->cid = mcu_cmd;
+ break;
+ default:
mcu_txd->cid = MCU_CMD_EXT_CID;
mcu_txd->set_query = MCU_Q_SET;
mcu_txd->ext_cid = cmd;
mcu_txd->ext_cid_ack = 1;
+ break;
}
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_fill_msg);
static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq)
@@ -179,6 +192,19 @@ mt7615_mcu_parse_response(struct mt7615_dev *dev, int cmd,
skb_pull(skb, sizeof(*rxd));
ret = le32_to_cpu(*(__le32 *)skb->data);
break;
+ case MCU_UNI_CMD_DEV_INFO_UPDATE:
+ case MCU_UNI_CMD_BSS_INFO_UPDATE:
+ case MCU_UNI_CMD_STA_REC_UPDATE:
+ case MCU_UNI_CMD_HIF_CTRL:
+ case MCU_UNI_CMD_OFFLOAD:
+ case MCU_UNI_CMD_SUSPEND: {
+ struct mt7615_mcu_uni_event *event;
+
+ skb_pull(skb, sizeof(*rxd));
+ event = (struct mt7615_mcu_uni_event *)skb->data;
+ ret = le32_to_cpu(event->status);
+ break;
+ }
default:
break;
}
@@ -208,6 +234,7 @@ int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq)
return ret;
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_wait_response);
static int
mt7615_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
@@ -231,18 +258,18 @@ out:
return ret;
}
-static int
-mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
- int len, bool wait_resp)
+int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+ int len, bool wait_resp)
{
struct sk_buff *skb;
- skb = mt7615_mcu_msg_alloc(data, len);
+ skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp);
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_msg_send);
static void
mt7615_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
@@ -311,6 +338,110 @@ mt7615_mcu_rx_ext_event(struct mt7615_dev *dev, struct sk_buff *skb)
}
static void
+mt7615_mcu_scan_event(struct mt7615_dev *dev, struct sk_buff *skb)
+{
+ u8 *seq_num = skb->data + sizeof(struct mt7615_mcu_rxd);
+ struct mt7615_phy *phy;
+ struct mt76_phy *mphy;
+
+ if (*seq_num & BIT(7) && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+ else
+ mphy = &dev->mt76.phy;
+
+ phy = (struct mt7615_phy *)mphy->priv;
+
+ spin_lock_bh(&dev->mt76.lock);
+ __skb_queue_tail(&phy->scan_event_list, skb);
+ spin_unlock_bh(&dev->mt76.lock);
+
+ ieee80211_queue_delayed_work(mphy->hw, &phy->scan_work,
+ MT7615_HW_SCAN_TIMEOUT);
+}
+
+static void
+mt7615_mcu_roc_event(struct mt7615_dev *dev, struct sk_buff *skb)
+{
+ struct mt7615_roc_tlv *event;
+ struct mt7615_phy *phy;
+ struct mt76_phy *mphy;
+ int duration;
+
+ skb_pull(skb, sizeof(struct mt7615_mcu_rxd));
+ event = (struct mt7615_roc_tlv *)skb->data;
+
+ if (event->dbdc_band && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+ else
+ mphy = &dev->mt76.phy;
+
+ ieee80211_ready_on_channel(mphy->hw);
+
+ phy = (struct mt7615_phy *)mphy->priv;
+ phy->roc_grant = true;
+ wake_up(&phy->roc_wait);
+
+ duration = le32_to_cpu(event->max_interval);
+ mod_timer(&phy->roc_timer,
+ round_jiffies_up(jiffies + msecs_to_jiffies(duration)));
+}
+
+static void
+mt7615_mcu_beacon_loss_iter(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_beacon_loss_event *event = priv;
+
+ if (mvif->idx != event->bss_idx)
+ return;
+
+ if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
+ return;
+
+ ieee80211_beacon_loss(vif);
+}
+
+static void
+mt7615_mcu_beacon_loss_event(struct mt7615_dev *dev, struct sk_buff *skb)
+{
+ struct mt7615_beacon_loss_event *event;
+ struct mt76_phy *mphy;
+ u8 band_idx = 0; /* DBDC support */
+
+ skb_pull(skb, sizeof(struct mt7615_mcu_rxd));
+ event = (struct mt7615_beacon_loss_event *)skb->data;
+ if (band_idx && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+ else
+ mphy = &dev->mt76.phy;
+
+ ieee80211_iterate_active_interfaces_atomic(mphy->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7615_mcu_beacon_loss_iter, event);
+}
+
+static void
+mt7615_mcu_bss_event(struct mt7615_dev *dev, struct sk_buff *skb)
+{
+ struct mt7615_mcu_bss_event *event;
+ struct mt76_phy *mphy;
+ u8 band_idx = 0; /* DBDC support */
+
+ event = (struct mt7615_mcu_bss_event *)(skb->data +
+ sizeof(struct mt7615_mcu_rxd));
+
+ if (band_idx && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+ else
+ mphy = &dev->mt76.phy;
+
+ if (event->is_absent)
+ ieee80211_stop_queues(mphy->hw);
+ else
+ ieee80211_wake_queues(mphy->hw);
+}
+
+static void
mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
{
struct mt7615_mcu_rxd *rxd = (struct mt7615_mcu_rxd *)skb->data;
@@ -319,6 +450,19 @@ mt7615_mcu_rx_unsolicited_event(struct mt7615_dev *dev, struct sk_buff *skb)
case MCU_EVENT_EXT:
mt7615_mcu_rx_ext_event(dev, skb);
break;
+ case MCU_EVENT_BSS_BEACON_LOSS:
+ mt7615_mcu_beacon_loss_event(dev, skb);
+ break;
+ case MCU_EVENT_ROC:
+ mt7615_mcu_roc_event(dev, skb);
+ break;
+ case MCU_EVENT_SCHED_SCAN_DONE:
+ case MCU_EVENT_SCAN_DONE:
+ mt7615_mcu_scan_event(dev, skb);
+ return;
+ case MCU_EVENT_BSS_ABSENCE:
+ mt7615_mcu_bss_event(dev, skb);
+ break;
default:
break;
}
@@ -333,6 +477,11 @@ void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb)
rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
+ rxd->eid == MCU_EVENT_BSS_BEACON_LOSS ||
+ rxd->eid == MCU_EVENT_SCHED_SCAN_DONE ||
+ rxd->eid == MCU_EVENT_BSS_ABSENCE ||
+ rxd->eid == MCU_EVENT_SCAN_DONE ||
+ rxd->eid == MCU_EVENT_ROC ||
!rxd->seq)
mt7615_mcu_rx_unsolicited_event(dev, skb);
else
@@ -493,7 +642,8 @@ mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int band, int state)
}
static struct sk_buff *
-mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
+mt7615_mcu_alloc_sta_req(struct mt7615_dev *dev, struct mt7615_vif *mvif,
+ struct mt7615_sta *msta)
{
struct sta_req_hdr hdr = {
.bss_idx = mvif->idx,
@@ -503,7 +653,7 @@ mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
};
struct sk_buff *skb;
- skb = mt7615_mcu_msg_alloc(NULL, MT7615_STA_UPDATE_MAX_SIZE);
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, MT7615_STA_UPDATE_MAX_SIZE);
if (!skb)
return ERR_PTR(-ENOMEM);
@@ -513,8 +663,8 @@ mt7615_mcu_alloc_sta_req(struct mt7615_vif *mvif, struct mt7615_sta *msta)
}
static struct wtbl_req_hdr *
-mt7615_mcu_alloc_wtbl_req(struct mt7615_sta *msta, int cmd,
- void *sta_wtbl, struct sk_buff **skb)
+mt7615_mcu_alloc_wtbl_req(struct mt7615_dev *dev, struct mt7615_sta *msta,
+ int cmd, void *sta_wtbl, struct sk_buff **skb)
{
struct tlv *sta_hdr = sta_wtbl;
struct wtbl_req_hdr hdr = {
@@ -524,7 +674,8 @@ mt7615_mcu_alloc_wtbl_req(struct mt7615_sta *msta, int cmd,
struct sk_buff *nskb = *skb;
if (!nskb) {
- nskb = mt7615_mcu_msg_alloc(NULL, MT7615_WTBL_UPDATE_BA_SIZE);
+ nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ MT7615_WTBL_UPDATE_BA_SIZE);
if (!nskb)
return ERR_PTR(-ENOMEM);
@@ -572,12 +723,12 @@ mt7615_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
static int
mt7615_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
- bool enable)
+ struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ u32 type = vif->p2p ? NETWORK_P2P : NETWORK_INFRA;
struct bss_info_basic *bss;
u8 wlan_idx = mvif->sta.wcid.idx;
- u32 type = NETWORK_INFRA;
struct tlv *tlv;
tlv = mt7615_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
@@ -588,20 +739,11 @@ mt7615_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
break;
case NL80211_IFTYPE_STATION:
/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
- if (enable) {
- struct ieee80211_sta *sta;
+ if (enable && sta) {
struct mt7615_sta *msta;
- rcu_read_lock();
- sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
- if (!sta) {
- rcu_read_unlock();
- return -EINVAL;
- }
-
msta = (struct mt7615_sta *)sta->drv_priv;
wlan_idx = msta->wcid.idx;
- rcu_read_unlock();
}
break;
case NL80211_IFTYPE_ADHOC:
@@ -638,10 +780,16 @@ mt7615_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
- type = CONNECTION_INFRA_AP;
+ if (vif->p2p)
+ type = CONNECTION_P2P_GO;
+ else
+ type = CONNECTION_INFRA_AP;
break;
case NL80211_IFTYPE_STATION:
- type = CONNECTION_INFRA_STA;
+ if (vif->p2p)
+ type = CONNECTION_P2P_GC;
+ else
+ type = CONNECTION_INFRA_STA;
break;
case NL80211_IFTYPE_ADHOC:
type = CONNECTION_IBSS_ADHOC;
@@ -704,6 +852,7 @@ mt7615_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
{
struct sta_rec_basic *basic;
struct tlv *tlv;
+ int conn_type;
tlv = mt7615_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
@@ -726,13 +875,24 @@ mt7615_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
- basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
+ if (vif->p2p)
+ conn_type = CONNECTION_P2P_GC;
+ else
+ conn_type = CONNECTION_INFRA_STA;
+ basic->conn_type = cpu_to_le32(conn_type);
+ basic->aid = cpu_to_le16(sta->aid);
break;
case NL80211_IFTYPE_STATION:
- basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
+ if (vif->p2p)
+ conn_type = CONNECTION_P2P_GO;
+ else
+ conn_type = CONNECTION_INFRA_AP;
+ basic->conn_type = cpu_to_le32(conn_type);
+ basic->aid = cpu_to_le16(vif->bss_conf.aid);
break;
case NL80211_IFTYPE_ADHOC:
basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+ basic->aid = cpu_to_le16(sta->aid);
break;
default:
WARN_ON(1);
@@ -740,7 +900,6 @@ mt7615_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
}
memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
- basic->aid = cpu_to_le16(sta->aid);
basic->qos = sta->wme;
}
@@ -815,6 +974,7 @@ mt7615_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct wtbl_generic *generic;
struct wtbl_rx *rx;
+ struct wtbl_spe *spe;
struct tlv *tlv;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
@@ -823,8 +983,11 @@ mt7615_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
generic = (struct wtbl_generic *)tlv;
if (sta) {
+ if (vif->type == NL80211_IFTYPE_STATION)
+ generic->partial_aid = cpu_to_le16(vif->bss_conf.aid);
+ else
+ generic->partial_aid = cpu_to_le16(sta->aid);
memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
- generic->partial_aid = cpu_to_le16(sta->aid);
generic->muar_idx = mvif->omac_idx;
generic->qos = sta->wme;
} else {
@@ -839,6 +1002,11 @@ mt7615_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
rx->rca2 = 1;
rx->rv = 1;
+
+ tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_SPE, sizeof(*spe),
+ wtbl_tlv, sta_wtbl);
+ spe = (struct wtbl_spe *)tlv;
+ spe->spe_idx = 24;
}
static void
@@ -846,11 +1014,10 @@ mt7615_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
void *sta_wtbl, void *wtbl_tlv)
{
struct tlv *tlv;
+ struct wtbl_ht *ht = NULL;
u32 flags = 0;
if (sta->ht_cap.ht_supported) {
- struct wtbl_ht *ht;
-
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
wtbl_tlv, sta_wtbl);
ht = (struct wtbl_ht *)tlv;
@@ -867,6 +1034,7 @@ mt7615_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
if (sta->vht_cap.vht_supported) {
struct wtbl_vht *vht;
+ u8 af;
tlv = mt7615_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
wtbl_tlv, sta_wtbl);
@@ -874,6 +1042,13 @@ mt7615_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC,
vht->vht = 1;
+ af = (sta->vht_cap.cap &
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK) >>
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT;
+
+ if (ht)
+ ht->af = max(ht->af, af);
+
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
flags |= MT_WTBL_W5_SHORT_GI_80;
if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
@@ -908,20 +1083,21 @@ mt7615_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
}
static int
-mt7615_mcu_add_bss(struct mt7615_dev *dev, struct ieee80211_vif *vif,
- bool enable)
+mt7615_mcu_add_bss(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = phy->dev;
struct sk_buff *skb;
- skb = mt7615_mcu_alloc_sta_req(mvif, NULL);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, NULL);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (enable)
mt7615_mcu_bss_omac_tlv(skb, vif);
- mt7615_mcu_bss_basic_tlv(skb, vif, enable);
+ mt7615_mcu_bss_basic_tlv(skb, vif, sta, enable);
if (enable && mvif->omac_idx > EXT_BSSID_START)
mt7615_mcu_bss_ext_tlv(skb, mvif);
@@ -941,7 +1117,7 @@ mt7615_mcu_wtbl_tx_ba(struct mt7615_dev *dev,
struct sk_buff *skb = NULL;
int err;
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, NULL, &skb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@@ -952,7 +1128,7 @@ mt7615_mcu_wtbl_tx_ba(struct mt7615_dev *dev,
if (err < 0)
return err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -973,7 +1149,7 @@ mt7615_mcu_wtbl_rx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -985,7 +1161,7 @@ mt7615_mcu_wtbl_rx_ba(struct mt7615_dev *dev,
return err;
skb = NULL;
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, NULL, &skb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@@ -1007,7 +1183,7 @@ mt7615_mcu_wtbl_sta_add(struct mt7615_dev *dev, struct ieee80211_vif *vif,
msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta;
- sskb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ sskb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(sskb))
return PTR_ERR(sskb);
@@ -1015,8 +1191,8 @@ mt7615_mcu_wtbl_sta_add(struct mt7615_dev *dev, struct ieee80211_vif *vif,
if (enable && sta)
mt7615_mcu_sta_ht_tlv(sskb, sta);
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_RESET_AND_SET, NULL,
- &wskb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
+ NULL, &wskb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@@ -1060,7 +1236,7 @@ mt7615_mcu_sta_ba(struct mt7615_dev *dev,
struct tlv *sta_wtbl;
struct sk_buff *skb;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -1068,7 +1244,8 @@ mt7615_mcu_sta_ba(struct mt7615_dev *dev,
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+ &skb);
mt7615_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
@@ -1103,7 +1280,7 @@ mt7615_mcu_add_sta_cmd(struct mt7615_dev *dev, struct ieee80211_vif *vif,
msta = sta ? (struct mt7615_sta *)sta->drv_priv : &mvif->sta;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -1113,7 +1290,7 @@ mt7615_mcu_add_sta_cmd(struct mt7615_dev *dev, struct ieee80211_vif *vif,
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_RESET_AND_SET,
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
sta_wtbl, &skb);
if (enable) {
mt7615_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
@@ -1148,7 +1325,7 @@ mt7615_mcu_uni_add_dev(struct mt7615_dev *dev,
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct {
- struct req_hdr {
+ struct {
u8 omac_idx;
u8 band_idx;
__le16 pad;
@@ -1160,7 +1337,7 @@ mt7615_mcu_uni_add_dev(struct mt7615_dev *dev,
u8 pad;
u8 omac_addr[ETH_ALEN];
} __packed tlv;
- } data = {
+ } dev_req = {
.hdr = {
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
@@ -1171,11 +1348,65 @@ mt7615_mcu_uni_add_dev(struct mt7615_dev *dev,
.active = enable,
},
};
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct mt7615_bss_basic_tlv basic;
+ } basic_req = {
+ .hdr = {
+ .bss_idx = mvif->idx,
+ },
+ .basic = {
+ .tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
+ .len = cpu_to_le16(sizeof(struct mt7615_bss_basic_tlv)),
+ .omac_idx = mvif->omac_idx,
+ .band_idx = mvif->band_idx,
+ .wmm_idx = mvif->wmm_idx,
+ .active = enable,
+ .bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx),
+ .sta_idx = cpu_to_le16(mvif->sta.wcid.idx),
+ .conn_state = 1,
+ },
+ };
+ int err, idx, cmd, len;
+ void *data;
- memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
+ switch (vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
+ break;
+ case NL80211_IFTYPE_STATION:
+ basic_req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
- return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_DEV_INFO_UPDATE,
- &data, sizeof(data), true);
+ idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
+ basic_req.basic.hw_bss_idx = idx;
+
+ memcpy(dev_req.tlv.omac_addr, vif->addr, ETH_ALEN);
+
+ cmd = enable ? MCU_UNI_CMD_DEV_INFO_UPDATE : MCU_UNI_CMD_BSS_INFO_UPDATE;
+ data = enable ? (void *)&dev_req : (void *)&basic_req;
+ len = enable ? sizeof(dev_req) : sizeof(basic_req);
+
+ err = __mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true);
+ if (err < 0)
+ return err;
+
+ cmd = enable ? MCU_UNI_CMD_BSS_INFO_UPDATE : MCU_UNI_CMD_DEV_INFO_UPDATE;
+ data = enable ? (void *)&basic_req : (void *)&dev_req;
+ len = enable ? sizeof(basic_req) : sizeof(dev_req);
+
+ return __mt76_mcu_send_msg(&dev->mt76, cmd, data, len, true);
}
static int
@@ -1185,90 +1416,142 @@ mt7615_mcu_uni_ctrl_pm_state(struct mt7615_dev *dev, int band, int state)
}
static int
-mt7615_mcu_uni_add_bss(struct mt7615_dev *dev,
- struct ieee80211_vif *vif, bool enable)
+mt7615_mcu_uni_add_bss(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
{
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ int freq1 = chandef->center_freq1, freq2 = chandef->center_freq2;
+ struct mt7615_dev *dev = phy->dev;
struct {
- struct req_hdr {
+ struct {
u8 bss_idx;
u8 pad[3];
} __packed hdr;
- struct basic_tlv {
- __le16 tag;
- __le16 len;
- u8 active;
- u8 omac_idx;
- u8 hw_bss_idx;
- u8 band_idx;
- __le32 conn_type;
- u8 conn_state;
- u8 wmm_idx;
- u8 bssid[ETH_ALEN];
- __le16 bmc_tx_wlan_idx;
- __le16 bcn_interval;
- u8 dtim_period;
- u8 phymode;
- __le16 sta_idx;
- u8 nonht_basic_phy;
- u8 pad[3];
- } __packed basic;
- } req = {
+ struct mt7615_bss_basic_tlv basic;
+ } basic_req = {
.hdr = {
.bss_idx = mvif->idx,
},
.basic = {
.tag = cpu_to_le16(UNI_BSS_INFO_BASIC),
- .len = cpu_to_le16(sizeof(struct basic_tlv)),
+ .len = cpu_to_le16(sizeof(struct mt7615_bss_basic_tlv)),
.bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
.dtim_period = vif->bss_conf.dtim_period,
.omac_idx = mvif->omac_idx,
.band_idx = mvif->band_idx,
.wmm_idx = mvif->wmm_idx,
- .active = enable,
+ .active = true, /* keep bss deactivated */
+ .phymode = 0x38,
},
};
- u8 idx, tx_wlan_idx = 0;
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct rlm_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 control_channel;
+ u8 center_chan;
+ u8 center_chan2;
+ u8 bw;
+ u8 tx_streams;
+ u8 rx_streams;
+ u8 short_st;
+ u8 ht_op_info;
+ u8 sco;
+ u8 pad[3];
+ } __packed rlm;
+ } __packed rlm_req = {
+ .hdr = {
+ .bss_idx = mvif->idx,
+ },
+ .rlm = {
+ .tag = cpu_to_le16(UNI_BSS_INFO_RLM),
+ .len = cpu_to_le16(sizeof(struct rlm_tlv)),
+ .control_channel = chandef->chan->hw_value,
+ .center_chan = ieee80211_frequency_to_channel(freq1),
+ .center_chan2 = ieee80211_frequency_to_channel(freq2),
+ .tx_streams = hweight8(phy->mt76->antenna_mask),
+ .rx_streams = phy->chainmask,
+ .short_st = true,
+ },
+ };
+ int err, conn_type;
+ u8 idx;
idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
- req.basic.hw_bss_idx = idx;
+ basic_req.basic.hw_bss_idx = idx;
switch (vif->type) {
case NL80211_IFTYPE_MESH_POINT:
case NL80211_IFTYPE_AP:
- req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
- tx_wlan_idx = mvif->sta.wcid.idx;
+ if (vif->p2p)
+ conn_type = CONNECTION_P2P_GO;
+ else
+ conn_type = CONNECTION_INFRA_AP;
+ basic_req.basic.conn_type = cpu_to_le32(conn_type);
break;
case NL80211_IFTYPE_STATION:
- if (enable) {
- struct ieee80211_sta *sta;
- struct mt7615_sta *msta;
+ if (vif->p2p)
+ conn_type = CONNECTION_P2P_GC;
+ else
+ conn_type = CONNECTION_INFRA_STA;
+ basic_req.basic.conn_type = cpu_to_le32(conn_type);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ basic_req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
- rcu_read_lock();
- sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
- if (!sta) {
- rcu_read_unlock();
- return -EINVAL;
- }
+ memcpy(basic_req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN);
+ basic_req.basic.bmc_tx_wlan_idx = cpu_to_le16(mvif->sta.wcid.idx);
+ basic_req.basic.sta_idx = cpu_to_le16(mvif->sta.wcid.idx);
+ basic_req.basic.conn_state = !enable;
- msta = (struct mt7615_sta *)sta->drv_priv;
- tx_wlan_idx = msta->wcid.idx;
- rcu_read_unlock();
- }
- req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
+ err = __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
+ &basic_req, sizeof(basic_req), true);
+ if (err < 0)
+ return err;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_40:
+ rlm_req.rlm.bw = CMD_CBW_40MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ rlm_req.rlm.bw = CMD_CBW_80MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_80P80:
+ rlm_req.rlm.bw = CMD_CBW_8080MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_160:
+ rlm_req.rlm.bw = CMD_CBW_160MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_5:
+ rlm_req.rlm.bw = CMD_CBW_5MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_10:
+ rlm_req.rlm.bw = CMD_CBW_10MHZ;
break;
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ case NL80211_CHAN_WIDTH_20:
default:
- WARN_ON(1);
+ rlm_req.rlm.bw = CMD_CBW_20MHZ;
break;
}
- memcpy(req.basic.bssid, vif->bss_conf.bssid, ETH_ALEN);
- req.basic.bmc_tx_wlan_idx = cpu_to_le16(tx_wlan_idx);
- req.basic.sta_idx = cpu_to_le16(tx_wlan_idx);
- req.basic.conn_state = !enable;
+ if (rlm_req.rlm.control_channel < rlm_req.rlm.center_chan)
+ rlm_req.rlm.sco = 1; /* SCA */
+ else if (rlm_req.rlm.control_channel > rlm_req.rlm.center_chan)
+ rlm_req.rlm.sco = 3; /* SCB */
return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_BSS_INFO_UPDATE,
- &req, sizeof(req), true);
+ &rlm_req, sizeof(rlm_req), true);
}
static int
@@ -1355,13 +1638,14 @@ mt7615_mcu_uni_tx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+ &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@@ -1373,7 +1657,7 @@ mt7615_mcu_uni_tx_ba(struct mt7615_dev *dev,
if (err < 0)
return err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -1395,7 +1679,7 @@ mt7615_mcu_uni_rx_ba(struct mt7615_dev *dev,
struct sk_buff *skb;
int err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
@@ -1406,13 +1690,14 @@ mt7615_mcu_uni_rx_ba(struct mt7615_dev *dev,
if (err < 0 || !enable)
return err;
- skb = mt7615_mcu_alloc_sta_req(mvif, msta);
+ skb = mt7615_mcu_alloc_sta_req(dev, mvif, msta);
if (IS_ERR(skb))
return PTR_ERR(skb);
sta_wtbl = mt7615_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
- wtbl_hdr = mt7615_mcu_alloc_wtbl_req(msta, WTBL_SET, sta_wtbl, &skb);
+ wtbl_hdr = mt7615_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+ &skb);
if (IS_ERR(wtbl_hdr))
return PTR_ERR(wtbl_hdr);
@@ -1447,8 +1732,7 @@ static int mt7615_mcu_send_firmware(struct mt7615_dev *dev, const void *data,
int ret = 0, cur_len;
while (len > 0) {
- cur_len = min_t(int, 4096 - sizeof(struct mt7615_mcu_txd),
- len);
+ cur_len = min_t(int, 4096 - dev->mt76.mcu_ops->headroom, len);
ret = __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_FW_SCATTER,
data, cur_len, false);
@@ -1480,11 +1764,12 @@ static int mt7615_mcu_start_firmware(struct mt7615_dev *dev, u32 addr,
&req, sizeof(req), true);
}
-static int mt7615_mcu_restart(struct mt76_dev *dev)
+int mt7615_mcu_restart(struct mt76_dev *dev)
{
return __mt76_mcu_send_msg(dev, MCU_CMD_RESTART_DL_REQ, NULL,
0, true);
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_restart);
static int mt7615_mcu_patch_sem_ctrl(struct mt7615_dev *dev, bool get)
{
@@ -1521,24 +1806,29 @@ static void mt7622_trigger_hif_int(struct mt7615_dev *dev, bool en)
!en * MT_INFRACFG_MISC_AP2CONN_WAKE);
}
-static int mt7615_driver_own(struct mt7615_dev *dev)
+int mt7615_driver_own(struct mt7615_dev *dev)
{
+ struct mt76_dev *mdev = &dev->mt76;
u32 addr;
- addr = is_mt7663(&dev->mt76) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
+ addr = is_mt7663(mdev) ? MT_PCIE_DOORBELL_PUSH : MT_CFG_LPCR_HOST;
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_DRV_OWN);
mt7622_trigger_hif_int(dev, true);
+
+ addr = is_mt7663(mdev) ? MT_CONN_HIF_ON_LPCTL : MT_CFG_LPCR_HOST;
if (!mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN, 0, 3000)) {
dev_err(dev->mt76.dev, "Timeout for driver own\n");
return -EIO;
}
+
mt7622_trigger_hif_int(dev, false);
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_driver_own);
-static int mt7615_firmware_own(struct mt7615_dev *dev)
+int mt7615_firmware_own(struct mt7615_dev *dev)
{
u32 addr;
@@ -1547,9 +1837,8 @@ static int mt7615_firmware_own(struct mt7615_dev *dev)
mt76_wr(dev, addr, MT_CFG_LPCR_HOST_FW_OWN);
- if (is_mt7622(&dev->mt76) &&
- !mt76_poll_msec(dev, MT_CFG_LPCR_HOST,
- MT_CFG_LPCR_HOST_FW_OWN,
+ if (!is_mt7615(&dev->mt76) &&
+ !mt76_poll_msec(dev, addr, MT_CFG_LPCR_HOST_FW_OWN,
MT_CFG_LPCR_HOST_FW_OWN, 3000)) {
dev_err(dev->mt76.dev, "Timeout for firmware own\n");
return -EIO;
@@ -1558,6 +1847,7 @@ static int mt7615_firmware_own(struct mt7615_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_firmware_own);
static int mt7615_load_patch(struct mt7615_dev *dev, u32 addr, const char *name)
{
@@ -1576,7 +1866,7 @@ static int mt7615_load_patch(struct mt7615_dev *dev, u32 addr, const char *name)
return -EAGAIN;
}
- ret = request_firmware(&fw, name, dev->mt76.dev);
+ ret = firmware_request_nowarn(&fw, name, dev->mt76.dev);
if (ret)
goto out;
@@ -1671,6 +1961,15 @@ mt7615_mcu_send_ram_firmware(struct mt7615_dev *dev,
return 0;
}
+static const struct wiphy_wowlan_support mt7615_wowlan_support = {
+ .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT |
+ WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | WIPHY_WOWLAN_NET_DETECT,
+ .n_patterns = 1,
+ .pattern_min_len = 1,
+ .pattern_max_len = MT7615_WOW_PATTEN_MAX_LEN,
+ .max_nd_match_sets = 10,
+};
+
static int mt7615_load_n9(struct mt7615_dev *dev, const char *name)
{
const struct mt7615_fw_trailer *hdr;
@@ -1848,7 +2147,7 @@ int mt7615_mcu_fw_log_2_host(struct mt7615_dev *dev, u8 ctrl)
static int mt7663_load_n9(struct mt7615_dev *dev, const char *name)
{
- u32 offset = 0, override_addr = 0, flag = 0;
+ u32 offset = 0, override_addr = 0, flag = FW_START_DLYCAL;
const struct mt7663_fw_trailer *hdr;
const struct mt7663_fw_buf *buf;
const struct firmware *fw;
@@ -1904,18 +2203,21 @@ static int mt7663_load_n9(struct mt7615_dev *dev, const char *name)
}
}
- if (is_mt7663(&dev->mt76)) {
- flag |= FW_START_DLYCAL;
- if (override_addr)
- flag |= FW_START_OVERRIDE;
+ if (override_addr)
+ flag |= FW_START_OVERRIDE;
- dev_info(dev->mt76.dev, "override_addr = 0x%08x, option = %d\n",
- override_addr, flag);
- }
+ dev_info(dev->mt76.dev, "override_addr = 0x%08x, option = %d\n",
+ override_addr, flag);
ret = mt7615_mcu_start_firmware(dev, override_addr, flag);
- if (ret)
+ if (ret) {
dev_err(dev->mt76.dev, "Failed to start N9 firmware\n");
+ goto out;
+ }
+
+ snprintf(dev->mt76.hw->wiphy->fw_version,
+ sizeof(dev->mt76.hw->wiphy->fw_version),
+ "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
out:
release_firmware(fw);
@@ -1923,11 +2225,50 @@ out:
return ret;
}
-static int mt7663_load_firmware(struct mt7615_dev *dev)
+static int
+mt7663_load_rom_patch(struct mt7615_dev *dev, const char **n9_firmware)
{
+ const char *selected_rom, *secondary_rom = MT7663_ROM_PATCH;
+ const char *primary_rom = MT7663_OFFLOAD_ROM_PATCH;
int ret;
- mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH);
+ if (!prefer_offload_fw) {
+ secondary_rom = MT7663_OFFLOAD_ROM_PATCH;
+ primary_rom = MT7663_ROM_PATCH;
+ }
+ selected_rom = primary_rom;
+
+ ret = mt7615_load_patch(dev, MT7663_PATCH_ADDRESS, primary_rom);
+ if (ret) {
+ dev_info(dev->mt76.dev, "%s not found, switching to %s",
+ primary_rom, secondary_rom);
+ ret = mt7615_load_patch(dev, MT7663_PATCH_ADDRESS,
+ secondary_rom);
+ if (ret) {
+ dev_err(dev->mt76.dev, "failed to load %s",
+ secondary_rom);
+ return ret;
+ }
+ selected_rom = secondary_rom;
+ }
+
+ if (!strcmp(selected_rom, MT7663_OFFLOAD_ROM_PATCH)) {
+ *n9_firmware = MT7663_OFFLOAD_FIRMWARE_N9;
+ dev->fw_ver = MT7615_FIRMWARE_V3;
+ dev->mcu_ops = &uni_update_ops;
+ } else {
+ *n9_firmware = MT7663_FIRMWARE_N9;
+ dev->fw_ver = MT7615_FIRMWARE_V2;
+ dev->mcu_ops = &sta_update_ops;
+ }
+
+ return 0;
+}
+
+int __mt7663_load_firmware(struct mt7615_dev *dev)
+{
+ const char *n9_firmware;
+ int ret;
ret = mt76_get_field(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_N9_RDY);
if (ret) {
@@ -1935,14 +2276,11 @@ static int mt7663_load_firmware(struct mt7615_dev *dev)
return -EIO;
}
- ret = mt7615_load_patch(dev, MT7663_PATCH_ADDRESS, MT7663_ROM_PATCH);
+ ret = mt7663_load_rom_patch(dev, &n9_firmware);
if (ret)
return ret;
- dev->fw_ver = MT7615_FIRMWARE_V3;
- dev->mcu_ops = &uni_update_ops;
-
- ret = mt7663_load_n9(dev, MT7663_FIRMWARE_N9);
+ ret = mt7663_load_n9(dev, n9_firmware);
if (ret)
return ret;
@@ -1954,16 +2292,36 @@ static int mt7663_load_firmware(struct mt7615_dev *dev)
return -EIO;
}
- mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH);
+#ifdef CONFIG_PM
+ if (mt7615_firmware_offload(dev))
+ dev->mt76.hw->wiphy->wowlan = &mt7615_wowlan_support;
+#endif /* CONFIG_PM */
dev_dbg(dev->mt76.dev, "Firmware init done\n");
return 0;
}
+EXPORT_SYMBOL_GPL(__mt7663_load_firmware);
+
+static int mt7663_load_firmware(struct mt7615_dev *dev)
+{
+ int ret;
+
+ mt76_set(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH);
+
+ ret = __mt7663_load_firmware(dev);
+ if (ret)
+ return ret;
+
+ mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_BYPASS_TX_SCH);
+
+ return 0;
+}
int mt7615_mcu_init(struct mt7615_dev *dev)
{
static const struct mt76_mcu_ops mt7615_mcu_ops = {
+ .headroom = sizeof(struct mt7615_mcu_txd),
.mcu_skb_send_msg = mt7615_mcu_send_message,
.mcu_send_msg = mt7615_mcu_msg_send,
.mcu_restart = mt7615_mcu_restart,
@@ -1997,6 +2355,7 @@ int mt7615_mcu_init(struct mt7615_dev *dev)
return 0;
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_init);
void mt7615_mcu_exit(struct mt7615_dev *dev)
{
@@ -2004,6 +2363,7 @@ void mt7615_mcu_exit(struct mt7615_dev *dev)
mt7615_firmware_own(dev);
skb_queue_purge(&dev->mt76.mcu.res_q);
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_exit);
int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
{
@@ -2036,7 +2396,7 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
req_hdr.len = cpu_to_le16(eep_len);
- skb = mt7615_mcu_msg_alloc(NULL, sizeof(req_hdr) + eep_len);
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req_hdr) + eep_len);
if (!skb)
return -ENOMEM;
@@ -2046,6 +2406,7 @@ int mt7615_mcu_set_eeprom(struct mt7615_dev *dev)
return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_EXT_CMD_EFUSE_BUFFER_MODE, true);
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_set_eeprom);
int mt7615_mcu_set_mac_enable(struct mt7615_dev *dev, int band, bool enable)
{
@@ -2187,6 +2548,7 @@ int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev)
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
&req, sizeof(req), true);
}
+EXPORT_SYMBOL_GPL(mt7615_mcu_del_wtbl_all);
int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev,
enum mt7615_rdd_cmd cmd, u8 index,
@@ -2313,6 +2675,25 @@ static void mt7615_mcu_set_txpower_sku(struct mt7615_phy *phy, u8 *sku)
}
}
+static u8 mt7615_mcu_chan_bw(struct cfg80211_chan_def *chandef)
+{
+ static const u8 width_to_bw[] = {
+ [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
+ [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
+ [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
+ [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
+ [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
+ [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
+ [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
+ [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
+ };
+
+ if (chandef->width >= ARRAY_SIZE(width_to_bw))
+ return 0;
+
+ return width_to_bw[chandef->width];
+}
+
int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
{
struct mt7615_dev *dev = phy->dev;
@@ -2353,32 +2734,7 @@ int mt7615_mcu_set_chan_info(struct mt7615_phy *phy, int cmd)
req.switch_reason = CH_SWITCH_NORMAL;
req.band_idx = phy != &dev->phy;
-
- switch (chandef->width) {
- case NL80211_CHAN_WIDTH_40:
- req.bw = CMD_CBW_40MHZ;
- break;
- case NL80211_CHAN_WIDTH_80:
- req.bw = CMD_CBW_80MHZ;
- break;
- case NL80211_CHAN_WIDTH_80P80:
- req.bw = CMD_CBW_8080MHZ;
- break;
- case NL80211_CHAN_WIDTH_160:
- req.bw = CMD_CBW_160MHZ;
- break;
- case NL80211_CHAN_WIDTH_5:
- req.bw = CMD_CBW_5MHZ;
- break;
- case NL80211_CHAN_WIDTH_10:
- req.bw = CMD_CBW_10MHZ;
- break;
- case NL80211_CHAN_WIDTH_20_NOHT:
- case NL80211_CHAN_WIDTH_20:
- default:
- req.bw = CMD_CBW_20MHZ;
- break;
- }
+ req.bw = mt7615_mcu_chan_bw(chandef);
mt7615_mcu_set_txpower_sku(phy, req.txpower_sku);
@@ -2415,3 +2771,906 @@ int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable)
return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TX_POWER_FEATURE_CTRL, &req,
sizeof(req), true);
}
+
+int mt7615_mcu_set_vif_ps(struct mt7615_dev *dev, struct ieee80211_vif *vif)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct {
+ u8 bss_idx;
+ u8 ps_state; /* 0: device awake
+ * 1: static power save
+ * 2: dynamic power saving
+ */
+ } req = {
+ .bss_idx = mvif->idx,
+ .ps_state = vif->bss_conf.ps ? 2 : 0,
+ };
+
+ if (vif->type != NL80211_IFTYPE_STATION)
+ return -ENOTSUPP;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_PS_PROFILE,
+ &req, sizeof(req), false);
+}
+
+int mt7615_mcu_set_channel_domain(struct mt7615_phy *phy)
+{
+ struct mt76_phy *mphy = phy->mt76;
+ struct mt7615_dev *dev = phy->dev;
+ struct mt7615_mcu_channel_domain {
+ __le32 country_code; /* regulatory_request.alpha2 */
+ u8 bw_2g; /* BW_20_40M 0
+ * BW_20M 1
+ * BW_20_40_80M 2
+ * BW_20_40_80_160M 3
+ * BW_20_40_80_8080M 4
+ */
+ u8 bw_5g;
+ __le16 pad;
+ u8 n_2ch;
+ u8 n_5ch;
+ __le16 pad2;
+ } __packed hdr = {
+ .bw_2g = 0,
+ .bw_5g = 3,
+ .n_2ch = mphy->sband_2g.sband.n_channels,
+ .n_5ch = mphy->sband_5g.sband.n_channels,
+ };
+ struct mt7615_mcu_chan {
+ __le16 hw_value;
+ __le16 pad;
+ __le32 flags;
+ } __packed;
+ int i, n_channels = hdr.n_2ch + hdr.n_5ch;
+ int len = sizeof(hdr) + n_channels * sizeof(struct mt7615_mcu_chan);
+ struct sk_buff *skb;
+
+ if (!mt7615_firmware_offload(dev))
+ return 0;
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put_data(skb, &hdr, sizeof(hdr));
+
+ for (i = 0; i < n_channels; i++) {
+ struct ieee80211_channel *chan;
+ struct mt7615_mcu_chan channel;
+
+ if (i < hdr.n_2ch)
+ chan = &mphy->sband_2g.sband.channels[i];
+ else
+ chan = &mphy->sband_5g.sband.channels[i - hdr.n_2ch];
+
+ channel.hw_value = cpu_to_le16(chan->hw_value);
+ channel.flags = cpu_to_le32(chan->flags);
+ channel.pad = 0;
+
+ skb_put_data(skb, &channel, sizeof(channel));
+ }
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_CMD_SET_CHAN_DOMAIN, false);
+}
+
+#define MT7615_SCAN_CHANNEL_TIME 60
+int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *scan_req)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct cfg80211_scan_request *sreq = &scan_req->req;
+ int n_ssids = 0, err, i, duration = MT7615_SCAN_CHANNEL_TIME;
+ int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
+ struct ieee80211_channel **scan_list = sreq->channels;
+ struct mt7615_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ struct mt7615_mcu_scan_channel *chan;
+ struct mt7615_hw_scan_req *req;
+ struct sk_buff *skb;
+
+ /* fall-back to sw-scan */
+ if (!mt7615_firmware_offload(dev))
+ return 1;
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(*req));
+ if (!skb)
+ return -ENOMEM;
+
+ set_bit(MT76_HW_SCANNING, &phy->mt76->state);
+ mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
+
+ req = (struct mt7615_hw_scan_req *)skb_put(skb, sizeof(*req));
+
+ req->seq_num = mvif->scan_seq_num | ext_phy << 7;
+ req->bss_idx = mvif->idx;
+ req->scan_type = sreq->n_ssids ? 1 : 0;
+ req->probe_req_num = sreq->n_ssids ? 2 : 0;
+ req->version = 1;
+
+ for (i = 0; i < sreq->n_ssids; i++) {
+ if (!sreq->ssids[i].ssid_len)
+ continue;
+
+ req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
+ memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
+ sreq->ssids[i].ssid_len);
+ n_ssids++;
+ }
+ req->ssid_type = n_ssids ? BIT(2) : BIT(0);
+ req->ssid_type_ext = n_ssids ? BIT(0) : 0;
+ req->ssids_num = n_ssids;
+
+ /* increase channel time for passive scan */
+ if (!sreq->n_ssids)
+ duration *= 2;
+ req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
+ req->channel_min_dwell_time = cpu_to_le16(duration);
+ req->channel_dwell_time = cpu_to_le16(duration);
+
+ req->channels_num = min_t(u8, sreq->n_channels, 32);
+ req->ext_channels_num = min_t(u8, ext_channels_num, 32);
+ for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
+ if (i >= 32)
+ chan = &req->ext_channels[i - 32];
+ else
+ chan = &req->channels[i];
+
+ chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+ chan->channel_num = scan_list[i]->hw_value;
+ }
+ req->channel_type = sreq->n_channels ? 4 : 0;
+
+ if (sreq->ie_len > 0) {
+ memcpy(req->ies, sreq->ie, sreq->ie_len);
+ req->ies_len = cpu_to_le16(sreq->ie_len);
+ }
+
+ memcpy(req->bssid, sreq->bssid, ETH_ALEN);
+ if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ get_random_mask_addr(req->random_mac, sreq->mac_addr,
+ sreq->mac_addr_mask);
+ req->scan_func = 1;
+ }
+
+ err = __mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_START_HW_SCAN,
+ false);
+ if (err < 0)
+ clear_bit(MT76_HW_SCANNING, &phy->mt76->state);
+
+ return err;
+}
+
+int mt7615_mcu_cancel_hw_scan(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = phy->dev;
+ struct {
+ u8 seq_num;
+ u8 is_ext_channel;
+ u8 rsv[2];
+ } __packed req = {
+ .seq_num = mvif->scan_seq_num,
+ };
+
+ if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(phy->mt76->hw, &info);
+ }
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_CANCEL_HW_SCAN, &req,
+ sizeof(req), false);
+}
+
+int mt7615_mcu_sched_scan_req(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *sreq)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct ieee80211_channel **scan_list = sreq->channels;
+ struct mt7615_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ struct mt7615_mcu_scan_channel *chan;
+ struct mt7615_sched_scan_req *req;
+ struct cfg80211_match_set *match;
+ struct cfg80211_ssid *ssid;
+ struct sk_buff *skb;
+ int i;
+
+ if (!mt7615_firmware_offload(dev))
+ return -ENOTSUPP;
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ sizeof(*req) + sreq->ie_len);
+ if (!skb)
+ return -ENOMEM;
+
+ mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
+
+ req = (struct mt7615_sched_scan_req *)skb_put(skb, sizeof(*req));
+ req->version = 1;
+ req->seq_num = mvif->scan_seq_num | ext_phy << 7;
+
+ if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ get_random_mask_addr(req->random_mac, sreq->mac_addr,
+ sreq->mac_addr_mask);
+ req->scan_func = 1;
+ }
+
+ req->ssids_num = sreq->n_ssids;
+ for (i = 0; i < req->ssids_num; i++) {
+ ssid = &sreq->ssids[i];
+ memcpy(req->ssids[i].ssid, ssid->ssid, ssid->ssid_len);
+ req->ssids[i].ssid_len = cpu_to_le32(ssid->ssid_len);
+ }
+
+ req->match_num = sreq->n_match_sets;
+ for (i = 0; i < req->match_num; i++) {
+ match = &sreq->match_sets[i];
+ memcpy(req->match[i].ssid, match->ssid.ssid,
+ match->ssid.ssid_len);
+ req->match[i].rssi_th = cpu_to_le32(match->rssi_thold);
+ req->match[i].ssid_len = match->ssid.ssid_len;
+ }
+
+ req->channel_type = sreq->n_channels ? 4 : 0;
+ req->channels_num = min_t(u8, sreq->n_channels, 64);
+ for (i = 0; i < req->channels_num; i++) {
+ chan = &req->channels[i];
+ chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+ chan->channel_num = scan_list[i]->hw_value;
+ }
+
+ req->intervals_num = sreq->n_scan_plans;
+ for (i = 0; i < req->intervals_num; i++)
+ req->intervals[i] = cpu_to_le16(sreq->scan_plans[i].interval);
+
+ if (sreq->ie_len > 0) {
+ req->ie_len = cpu_to_le16(sreq->ie_len);
+ memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
+ }
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_CMD_SCHED_SCAN_REQ, false);
+}
+
+int mt7615_mcu_sched_scan_enable(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif,
+ bool enable)
+{
+ struct mt7615_dev *dev = phy->dev;
+ struct {
+ u8 active; /* 0: enabled 1: disabled */
+ u8 rsv[3];
+ } __packed req = {
+ .active = !enable,
+ };
+
+ if (!mt7615_firmware_offload(dev))
+ return -ENOTSUPP;
+
+ if (enable)
+ set_bit(MT76_HW_SCHED_SCANNING, &phy->mt76->state);
+ else
+ clear_bit(MT76_HW_SCHED_SCANNING, &phy->mt76->state);
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SCHED_SCAN_ENABLE,
+ &req, sizeof(req), false);
+}
+
+static int mt7615_find_freq_idx(const u16 *freqs, int n_freqs, u16 cur)
+{
+ int i;
+
+ for (i = 0; i < n_freqs; i++)
+ if (cur == freqs[i])
+ return i;
+
+ return -1;
+}
+
+static int mt7615_dcoc_freq_idx(u16 freq, u8 bw)
+{
+ static const u16 freq_list[] = {
+ 4980, 5805, 5905, 5190,
+ 5230, 5270, 5310, 5350,
+ 5390, 5430, 5470, 5510,
+ 5550, 5590, 5630, 5670,
+ 5710, 5755, 5795, 5835,
+ 5875, 5210, 5290, 5370,
+ 5450, 5530, 5610, 5690,
+ 5775, 5855
+ };
+ static const u16 freq_bw40[] = {
+ 5190, 5230, 5270, 5310,
+ 5350, 5390, 5430, 5470,
+ 5510, 5550, 5590, 5630,
+ 5670, 5710, 5755, 5795,
+ 5835, 5875
+ };
+ int offset_2g = ARRAY_SIZE(freq_list);
+ int idx;
+
+ if (freq < 4000) {
+ if (freq < 2427)
+ return offset_2g;
+ if (freq < 2442)
+ return offset_2g + 1;
+ if (freq < 2457)
+ return offset_2g + 2;
+
+ return offset_2g + 3;
+ }
+
+ switch (bw) {
+ case NL80211_CHAN_WIDTH_80:
+ case NL80211_CHAN_WIDTH_80P80:
+ case NL80211_CHAN_WIDTH_160:
+ break;
+ default:
+ idx = mt7615_find_freq_idx(freq_bw40, ARRAY_SIZE(freq_bw40),
+ freq + 10);
+ if (idx >= 0) {
+ freq = freq_bw40[idx];
+ break;
+ }
+
+ idx = mt7615_find_freq_idx(freq_bw40, ARRAY_SIZE(freq_bw40),
+ freq - 10);
+ if (idx >= 0) {
+ freq = freq_bw40[idx];
+ break;
+ }
+ /* fall through */
+ case NL80211_CHAN_WIDTH_40:
+ idx = mt7615_find_freq_idx(freq_bw40, ARRAY_SIZE(freq_bw40),
+ freq);
+ if (idx >= 0)
+ break;
+
+ return -1;
+
+ }
+
+ return mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), freq);
+}
+
+int mt7615_mcu_apply_rx_dcoc(struct mt7615_phy *phy)
+{
+ struct mt7615_dev *dev = phy->dev;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ int freq2 = chandef->center_freq2;
+ int ret;
+ struct {
+ u8 direction;
+ u8 runtime_calibration;
+ u8 _rsv[2];
+
+ __le16 center_freq;
+ u8 bw;
+ u8 band;
+ u8 is_freq2;
+ u8 success;
+ u8 dbdc_en;
+
+ u8 _rsv2;
+
+ struct {
+ __le32 sx0_i_lna[4];
+ __le32 sx0_q_lna[4];
+
+ __le32 sx2_i_lna[4];
+ __le32 sx2_q_lna[4];
+ } dcoc_data[4];
+ } req = {
+ .direction = 1,
+
+ .bw = mt7615_mcu_chan_bw(chandef),
+ .band = chandef->center_freq1 > 4000,
+ .dbdc_en = !!dev->mt76.phy2,
+ };
+ u16 center_freq = chandef->center_freq1;
+ int freq_idx;
+ u8 *eep = dev->mt76.eeprom.data;
+
+ if (!(eep[MT_EE_CALDATA_FLASH] & MT_EE_CALDATA_FLASH_RX_CAL))
+ return 0;
+
+ if (chandef->width == NL80211_CHAN_WIDTH_160) {
+ freq2 = center_freq + 40;
+ center_freq -= 40;
+ }
+
+again:
+ req.runtime_calibration = 1;
+ freq_idx = mt7615_dcoc_freq_idx(center_freq, chandef->width);
+ if (freq_idx < 0)
+ goto out;
+
+ memcpy(req.dcoc_data, eep + MT7615_EEPROM_DCOC_OFFSET +
+ freq_idx * MT7615_EEPROM_DCOC_SIZE,
+ sizeof(req.dcoc_data));
+ req.runtime_calibration = 0;
+
+out:
+ req.center_freq = cpu_to_le16(center_freq);
+ ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RXDCOC_CAL, &req,
+ sizeof(req), true);
+
+ if ((chandef->width == NL80211_CHAN_WIDTH_80P80 ||
+ chandef->width == NL80211_CHAN_WIDTH_160) && !req.is_freq2) {
+ req.is_freq2 = true;
+ center_freq = freq2;
+ goto again;
+ }
+
+ return ret;
+}
+
+static int mt7615_dpd_freq_idx(u16 freq, u8 bw)
+{
+ static const u16 freq_list[] = {
+ 4920, 4940, 4960, 4980,
+ 5040, 5060, 5080, 5180,
+ 5200, 5220, 5240, 5260,
+ 5280, 5300, 5320, 5340,
+ 5360, 5380, 5400, 5420,
+ 5440, 5460, 5480, 5500,
+ 5520, 5540, 5560, 5580,
+ 5600, 5620, 5640, 5660,
+ 5680, 5700, 5720, 5745,
+ 5765, 5785, 5805, 5825,
+ 5845, 5865, 5885, 5905
+ };
+ int offset_2g = ARRAY_SIZE(freq_list);
+ int idx;
+
+ if (freq < 4000) {
+ if (freq < 2432)
+ return offset_2g;
+ if (freq < 2457)
+ return offset_2g + 1;
+
+ return offset_2g + 2;
+ }
+
+ if (bw != NL80211_CHAN_WIDTH_20) {
+ idx = mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list),
+ freq + 10);
+ if (idx >= 0)
+ return idx;
+
+ idx = mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list),
+ freq - 10);
+ if (idx >= 0)
+ return idx;
+ }
+
+ return mt7615_find_freq_idx(freq_list, ARRAY_SIZE(freq_list), freq);
+}
+
+
+int mt7615_mcu_apply_tx_dpd(struct mt7615_phy *phy)
+{
+ struct mt7615_dev *dev = phy->dev;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ int freq2 = chandef->center_freq2;
+ int ret;
+ struct {
+ u8 direction;
+ u8 runtime_calibration;
+ u8 _rsv[2];
+
+ __le16 center_freq;
+ u8 bw;
+ u8 band;
+ u8 is_freq2;
+ u8 success;
+ u8 dbdc_en;
+
+ u8 _rsv2;
+
+ struct {
+ struct {
+ u32 dpd_g0;
+ u8 data[32];
+ } wf0, wf1;
+
+ struct {
+ u32 dpd_g0_prim;
+ u32 dpd_g0_sec;
+ u8 data_prim[32];
+ u8 data_sec[32];
+ } wf2, wf3;
+ } dpd_data;
+ } req = {
+ .direction = 1,
+
+ .bw = mt7615_mcu_chan_bw(chandef),
+ .band = chandef->center_freq1 > 4000,
+ .dbdc_en = !!dev->mt76.phy2,
+ };
+ u16 center_freq = chandef->center_freq1;
+ int freq_idx;
+ u8 *eep = dev->mt76.eeprom.data;
+
+ if (!(eep[MT_EE_CALDATA_FLASH] & MT_EE_CALDATA_FLASH_TX_DPD))
+ return 0;
+
+ if (chandef->width == NL80211_CHAN_WIDTH_160) {
+ freq2 = center_freq + 40;
+ center_freq -= 40;
+ }
+
+again:
+ req.runtime_calibration = 1;
+ freq_idx = mt7615_dpd_freq_idx(center_freq, chandef->width);
+ if (freq_idx < 0)
+ goto out;
+
+ memcpy(&req.dpd_data, eep + MT7615_EEPROM_TXDPD_OFFSET +
+ freq_idx * MT7615_EEPROM_TXDPD_SIZE,
+ sizeof(req.dpd_data));
+ req.runtime_calibration = 0;
+
+out:
+ req.center_freq = cpu_to_le16(center_freq);
+ ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXDPD_CAL, &req,
+ sizeof(req), true);
+
+ if ((chandef->width == NL80211_CHAN_WIDTH_80P80 ||
+ chandef->width == NL80211_CHAN_WIDTH_160) && !req.is_freq2) {
+ req.is_freq2 = true;
+ center_freq = freq2;
+ goto again;
+ }
+
+ return ret;
+}
+
+#ifdef CONFIG_PM
+int mt7615_mcu_set_hif_suspend(struct mt7615_dev *dev, bool suspend)
+{
+ struct {
+ struct {
+ u8 hif_type; /* 0x0: HIF_SDIO
+ * 0x1: HIF_USB
+ * 0x2: HIF_PCIE
+ */
+ u8 pad[3];
+ } __packed hdr;
+ struct hif_suspend_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 suspend;
+ } __packed hif_suspend;
+ } req = {
+ .hif_suspend = {
+ .tag = cpu_to_le16(0), /* 0: UNI_HIF_CTRL_BASIC */
+ .len = cpu_to_le16(sizeof(struct hif_suspend_tlv)),
+ .suspend = suspend,
+ },
+ };
+
+ if (mt76_is_mmio(&dev->mt76))
+ req.hdr.hif_type = 2;
+ else if (mt76_is_usb(&dev->mt76))
+ req.hdr.hif_type = 1;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_HIF_CTRL,
+ &req, sizeof(req), true);
+}
+EXPORT_SYMBOL_GPL(mt7615_mcu_set_hif_suspend);
+
+static int
+mt7615_mcu_set_bss_pm(struct mt7615_dev *dev, struct ieee80211_vif *vif,
+ bool enable)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct {
+ u8 bss_idx;
+ u8 dtim_period;
+ __le16 aid;
+ __le16 bcn_interval;
+ __le16 atim_window;
+ u8 uapsd;
+ u8 bmc_delivered_ac;
+ u8 bmc_triggered_ac;
+ u8 pad;
+ } req = {
+ .bss_idx = mvif->idx,
+ .aid = cpu_to_le16(vif->bss_conf.aid),
+ .dtim_period = vif->bss_conf.dtim_period,
+ .bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int),
+ };
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } req_hdr = {
+ .bss_idx = mvif->idx,
+ };
+ int err;
+
+ if (vif->type != NL80211_IFTYPE_STATION ||
+ !mt7615_firmware_offload(dev))
+ return -ENOTSUPP;
+
+ err = __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_ABORT,
+ &req_hdr, sizeof(req_hdr), false);
+ if (err < 0 || !enable)
+ return err;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_BSS_CONNECTED,
+ &req, sizeof(req), false);
+}
+
+static int
+mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ bool suspend, struct cfg80211_wowlan *wowlan)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = phy->dev;
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct mt7615_wow_ctrl_tlv wow_ctrl_tlv;
+ } req = {
+ .hdr = {
+ .bss_idx = mvif->idx,
+ },
+ .wow_ctrl_tlv = {
+ .tag = cpu_to_le16(UNI_SUSPEND_WOW_CTRL),
+ .len = cpu_to_le16(sizeof(struct mt7615_wow_ctrl_tlv)),
+ .cmd = suspend ? 1 : 2,
+ },
+ };
+
+ if (wowlan->magic_pkt)
+ req.wow_ctrl_tlv.trigger |= BIT(0);
+ if (wowlan->disconnect)
+ req.wow_ctrl_tlv.trigger |= BIT(2);
+ if (wowlan->nd_config) {
+ mt7615_mcu_sched_scan_req(phy, vif, wowlan->nd_config);
+ req.wow_ctrl_tlv.trigger |= BIT(5);
+ mt7615_mcu_sched_scan_enable(phy, vif, suspend);
+ }
+
+ if (mt76_is_mmio(&dev->mt76))
+ req.wow_ctrl_tlv.wakeup_hif = 2;
+ else if (mt76_is_usb(&dev->mt76))
+ req.wow_ctrl_tlv.wakeup_hif = 1;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_SUSPEND,
+ &req, sizeof(req), true);
+}
+
+static int
+mt7615_mcu_set_wow_pattern(struct mt7615_dev *dev,
+ struct ieee80211_vif *vif,
+ u8 index, bool enable,
+ struct cfg80211_pkt_pattern *pattern)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_wow_pattern_tlv *ptlv;
+ struct sk_buff *skb;
+ struct req_hdr {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr = {
+ .bss_idx = mvif->idx,
+ };
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ sizeof(hdr) + sizeof(*ptlv));
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put_data(skb, &hdr, sizeof(hdr));
+ ptlv = (struct mt7615_wow_pattern_tlv *)skb_put(skb, sizeof(*ptlv));
+ ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN);
+ ptlv->len = cpu_to_le16(sizeof(*ptlv));
+ ptlv->data_len = pattern->pattern_len;
+ ptlv->enable = enable;
+ ptlv->index = index;
+
+ memcpy(ptlv->pattern, pattern->pattern, pattern->pattern_len);
+ memcpy(ptlv->mask, pattern->mask, pattern->pattern_len / 8);
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_UNI_CMD_SUSPEND, true);
+}
+
+static int
+mt7615_mcu_set_suspend_mode(struct mt7615_dev *dev,
+ struct ieee80211_vif *vif,
+ bool enable, u8 mdtim, bool wow_suspend)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct mt7615_suspend_tlv suspend_tlv;
+ } req = {
+ .hdr = {
+ .bss_idx = mvif->idx,
+ },
+ .suspend_tlv = {
+ .tag = cpu_to_le16(UNI_SUSPEND_MODE_SETTING),
+ .len = cpu_to_le16(sizeof(struct mt7615_suspend_tlv)),
+ .enable = enable,
+ .mdtim = mdtim,
+ .wow_suspend = wow_suspend,
+ },
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_SUSPEND,
+ &req, sizeof(req), true);
+}
+
+static int
+mt7615_mcu_set_gtk_rekey(struct mt7615_dev *dev,
+ struct ieee80211_vif *vif,
+ bool suspend)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct {
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr;
+ struct mt7615_gtk_rekey_tlv gtk_tlv;
+ } __packed req = {
+ .hdr = {
+ .bss_idx = mvif->idx,
+ },
+ .gtk_tlv = {
+ .tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY),
+ .len = cpu_to_le16(sizeof(struct mt7615_gtk_rekey_tlv)),
+ .rekey_mode = !suspend,
+ },
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_UNI_CMD_OFFLOAD,
+ &req, sizeof(req), true);
+}
+
+void mt7615_mcu_set_suspend_iter(void *priv, u8 *mac,
+ struct ieee80211_vif *vif)
+{
+ struct mt7615_phy *phy = priv;
+ bool suspend = test_bit(MT76_STATE_SUSPEND, &phy->mt76->state);
+ struct ieee80211_hw *hw = phy->mt76->hw;
+ struct cfg80211_wowlan *wowlan = hw->wiphy->wowlan_config;
+ int i;
+
+ mt7615_mcu_set_bss_pm(phy->dev, vif, suspend);
+
+ mt7615_mcu_set_gtk_rekey(phy->dev, vif, suspend);
+
+ mt7615_mcu_set_suspend_mode(phy->dev, vif, suspend, 1, true);
+
+ for (i = 0; i < wowlan->n_patterns; i++)
+ mt7615_mcu_set_wow_pattern(phy->dev, vif, i, suspend,
+ &wowlan->patterns[i]);
+ mt7615_mcu_set_wow_ctrl(phy, vif, suspend, wowlan);
+}
+
+static void
+mt7615_mcu_key_iter(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, struct ieee80211_key_conf *key,
+ void *data)
+{
+ struct mt7615_gtk_rekey_tlv *gtk_tlv = data;
+ u32 cipher;
+
+ if (key->cipher != WLAN_CIPHER_SUITE_AES_CMAC &&
+ key->cipher != WLAN_CIPHER_SUITE_CCMP &&
+ key->cipher != WLAN_CIPHER_SUITE_TKIP)
+ return;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_TKIP) {
+ gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_1);
+ cipher = BIT(3);
+ } else {
+ gtk_tlv->proto = cpu_to_le32(NL80211_WPA_VERSION_2);
+ cipher = BIT(4);
+ }
+
+ /* we are assuming here to have a single pairwise key */
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ gtk_tlv->pairwise_cipher = cpu_to_le32(cipher);
+ gtk_tlv->group_cipher = cpu_to_le32(cipher);
+ gtk_tlv->keyid = key->keyidx;
+ }
+}
+
+int mt7615_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_gtk_rekey_data *key)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct mt7615_gtk_rekey_tlv *gtk_tlv;
+ struct sk_buff *skb;
+ struct {
+ u8 bss_idx;
+ u8 pad[3];
+ } __packed hdr = {
+ .bss_idx = mvif->idx,
+ };
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ sizeof(hdr) + sizeof(*gtk_tlv));
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put_data(skb, &hdr, sizeof(hdr));
+ gtk_tlv = (struct mt7615_gtk_rekey_tlv *)skb_put(skb,
+ sizeof(*gtk_tlv));
+ gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY);
+ gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv));
+ gtk_tlv->rekey_mode = 2;
+ gtk_tlv->option = 1;
+
+ rcu_read_lock();
+ ieee80211_iter_keys_rcu(hw, vif, mt7615_mcu_key_iter, gtk_tlv);
+ rcu_read_unlock();
+
+ memcpy(gtk_tlv->kek, key->kek, NL80211_KEK_LEN);
+ memcpy(gtk_tlv->kck, key->kck, NL80211_KCK_LEN);
+ memcpy(gtk_tlv->replay_ctr, key->replay_ctr, NL80211_REPLAY_CTR_LEN);
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_UNI_CMD_OFFLOAD, true);
+}
+#endif /* CONFIG_PM */
+
+int mt7615_mcu_set_roc(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan, int duration)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ struct mt7615_dev *dev = phy->dev;
+ struct mt7615_roc_tlv req = {
+ .bss_idx = mvif->idx,
+ .active = !chan,
+ .max_interval = cpu_to_le32(duration),
+ .primary_chan = chan ? chan->hw_value : 0,
+ .band = chan ? chan->band : 0,
+ .req_type = 2,
+ };
+
+ phy->roc_grant = false;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_ROC, &req,
+ sizeof(req), false);
+}
+
+int mt7615_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+ int ct_window = vif->bss_conf.p2p_noa_attr.oppps_ctwindow;
+ struct mt7615_dev *dev = mt7615_hw_dev(hw);
+ struct {
+ __le32 ct_win;
+ u8 bss_idx;
+ u8 rsv[3];
+ } __packed req = {
+ .ct_win = cpu_to_le32(ct_window),
+ .bss_idx = mvif->idx,
+ };
+
+ if (!mt7615_firmware_offload(dev))
+ return -ENOTSUPP;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SET_P2P_OPPPS,
+ &req, sizeof(req), false);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
index d1f7391472fc..2314d0b23af1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
@@ -81,7 +81,12 @@ enum {
MCU_EVENT_GENERIC = 0x01,
MCU_EVENT_ACCESS_REG = 0x02,
MCU_EVENT_MT_PATCH_SEM = 0x04,
+ MCU_EVENT_SCAN_DONE = 0x0d,
+ MCU_EVENT_ROC = 0x10,
+ MCU_EVENT_BSS_ABSENCE = 0x11,
+ MCU_EVENT_BSS_BEACON_LOSS = 0x13,
MCU_EVENT_CH_PRIVILEGE = 0x18,
+ MCU_EVENT_SCHED_SCAN_DONE = 0x23,
MCU_EVENT_EXT = 0xed,
MCU_EVENT_RESTART_DL = 0xef,
};
@@ -232,7 +237,9 @@ enum {
#define MCU_FW_PREFIX BIT(31)
#define MCU_UNI_PREFIX BIT(30)
-#define MCU_CMD_MASK ~(MCU_FW_PREFIX | MCU_UNI_PREFIX)
+#define MCU_CE_PREFIX BIT(29)
+#define MCU_CMD_MASK ~(MCU_FW_PREFIX | MCU_UNI_PREFIX | \
+ MCU_CE_PREFIX)
enum {
MCU_CMD_TARGET_ADDRESS_LEN_REQ = MCU_FW_PREFIX | 0x01,
@@ -265,6 +272,8 @@ enum {
MCU_EXT_CMD_BCN_OFFLOAD = 0x49,
MCU_EXT_CMD_SET_RX_PATH = 0x4e,
MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58,
+ MCU_EXT_CMD_RXDCOC_CAL = 0x59,
+ MCU_EXT_CMD_TXDPD_CAL = 0x60,
MCU_EXT_CMD_SET_RDD_TH = 0x7c,
MCU_EXT_CMD_SET_RDD_PATTERN = 0x7d,
};
@@ -273,6 +282,281 @@ enum {
MCU_UNI_CMD_DEV_INFO_UPDATE = MCU_UNI_PREFIX | 0x01,
MCU_UNI_CMD_BSS_INFO_UPDATE = MCU_UNI_PREFIX | 0x02,
MCU_UNI_CMD_STA_REC_UPDATE = MCU_UNI_PREFIX | 0x03,
+ MCU_UNI_CMD_SUSPEND = MCU_UNI_PREFIX | 0x05,
+ MCU_UNI_CMD_OFFLOAD = MCU_UNI_PREFIX | 0x06,
+ MCU_UNI_CMD_HIF_CTRL = MCU_UNI_PREFIX | 0x07,
+};
+
+struct mt7615_mcu_uni_event {
+ u8 cid;
+ u8 pad[3];
+ __le32 status; /* 0: success, others: fail */
+} __packed;
+
+struct mt7615_beacon_loss_event {
+ u8 bss_idx;
+ u8 reason;
+ u8 pad[2];
+} __packed;
+
+struct mt7615_mcu_scan_ssid {
+ __le32 ssid_len;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+} __packed;
+
+struct mt7615_mcu_scan_channel {
+ u8 band; /* 1: 2.4GHz
+ * 2: 5.0GHz
+ * Others: Reserved
+ */
+ u8 channel_num;
+} __packed;
+
+struct mt7615_mcu_scan_match {
+ __le32 rssi_th;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+ u8 rsv[3];
+} __packed;
+
+struct mt7615_hw_scan_req {
+ u8 seq_num;
+ u8 bss_idx;
+ u8 scan_type; /* 0: PASSIVE SCAN
+ * 1: ACTIVE SCAN
+ */
+ u8 ssid_type; /* BIT(0) wildcard SSID
+ * BIT(1) P2P wildcard SSID
+ * BIT(2) specified SSID + wildcard SSID
+ * BIT(2) + ssid_type_ext BIT(0) specified SSID only
+ */
+ u8 ssids_num;
+ u8 probe_req_num; /* Number of probe request for each SSID */
+ u8 scan_func; /* BIT(0) Enable random MAC scan
+ * BIT(1) Disable DBDC scan type 1~3.
+ * BIT(2) Use DBDC scan type 3 (dedicated one RF to scan).
+ */
+ u8 version; /* 0: Not support fields after ies.
+ * 1: Support fields after ies.
+ */
+ struct mt7615_mcu_scan_ssid ssids[4];
+ __le16 probe_delay_time;
+ __le16 channel_dwell_time; /* channel Dwell interval */
+ __le16 timeout_value;
+ u8 channel_type; /* 0: Full channels
+ * 1: Only 2.4GHz channels
+ * 2: Only 5GHz channels
+ * 3: P2P social channel only (channel #1, #6 and #11)
+ * 4: Specified channels
+ * Others: Reserved
+ */
+ u8 channels_num; /* valid when channel_type is 4 */
+ /* valid when channels_num is set */
+ struct mt7615_mcu_scan_channel channels[32];
+ __le16 ies_len;
+ u8 ies[MT7615_SCAN_IE_LEN];
+ /* following fields are valid if version > 0 */
+ u8 ext_channels_num;
+ u8 ext_ssids_num;
+ __le16 channel_min_dwell_time;
+ struct mt7615_mcu_scan_channel ext_channels[32];
+ struct mt7615_mcu_scan_ssid ext_ssids[6];
+ u8 bssid[ETH_ALEN];
+ u8 random_mac[ETH_ALEN]; /* valid when BIT(1) in scan_func is set. */
+ u8 pad[63];
+ u8 ssid_type_ext;
+} __packed;
+
+#define SCAN_DONE_EVENT_MAX_CHANNEL_NUM 64
+struct mt7615_hw_scan_done {
+ u8 seq_num;
+ u8 sparse_channel_num;
+ struct mt7615_mcu_scan_channel sparse_channel;
+ u8 complete_channel_num;
+ u8 current_state;
+ u8 version;
+ u8 pad;
+ __le32 beacon_scan_num;
+ u8 pno_enabled;
+ u8 pad2[3];
+ u8 sparse_channel_valid_num;
+ u8 pad3[3];
+ u8 channel_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ /* idle format for channel_idle_time
+ * 0: first bytes: idle time(ms) 2nd byte: dwell time(ms)
+ * 1: first bytes: idle time(8ms) 2nd byte: dwell time(8ms)
+ * 2: dwell time (16us)
+ */
+ __le16 channel_idle_time[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ /* beacon and probe response count */
+ u8 beacon_probe_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ u8 mdrdy_count[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ __le32 beacon_2g_num;
+ __le32 beacon_5g_num;
+} __packed;
+
+struct mt7615_sched_scan_req {
+ u8 version;
+ u8 seq_num;
+ u8 stop_on_match;
+ u8 ssids_num;
+ u8 match_num;
+ u8 pad;
+ __le16 ie_len;
+ struct mt7615_mcu_scan_ssid ssids[MT7615_MAX_SCHED_SCAN_SSID];
+ struct mt7615_mcu_scan_match match[MT7615_MAX_SCAN_MATCH];
+ u8 channel_type;
+ u8 channels_num;
+ u8 intervals_num;
+ u8 scan_func; /* BIT(0) eable random mac address */
+ struct mt7615_mcu_scan_channel channels[64];
+ __le16 intervals[MT7615_MAX_SCHED_SCAN_INTERVAL];
+ u8 random_mac[ETH_ALEN]; /* valid when BIT(0) in scan_func is set */
+ u8 pad2[58];
+} __packed;
+
+struct nt7615_sched_scan_done {
+ u8 seq_num;
+ u8 status; /* 0: ssid found */
+ __le16 pad;
+} __packed;
+
+struct mt7615_mcu_bss_event {
+ u8 bss_idx;
+ u8 is_absent;
+ u8 free_quota;
+ u8 pad;
+} __packed;
+
+struct mt7615_bss_basic_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 active;
+ u8 omac_idx;
+ u8 hw_bss_idx;
+ u8 band_idx;
+ __le32 conn_type;
+ u8 conn_state;
+ u8 wmm_idx;
+ u8 bssid[ETH_ALEN];
+ __le16 bmc_tx_wlan_idx;
+ __le16 bcn_interval;
+ u8 dtim_period;
+ u8 phymode; /* bit(0): A
+ * bit(1): B
+ * bit(2): G
+ * bit(3): GN
+ * bit(4): AN
+ * bit(5): AC
+ */
+ __le16 sta_idx;
+ u8 nonht_basic_phy;
+ u8 pad[3];
+} __packed;
+
+struct mt7615_wow_ctrl_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 cmd; /* 0x1: PM_WOWLAN_REQ_START
+ * 0x2: PM_WOWLAN_REQ_STOP
+ * 0x3: PM_WOWLAN_PARAM_CLEAR
+ */
+ u8 trigger; /* 0: NONE
+ * BIT(0): NL80211_WOWLAN_TRIG_MAGIC_PKT
+ * BIT(1): NL80211_WOWLAN_TRIG_ANY
+ * BIT(2): NL80211_WOWLAN_TRIG_DISCONNECT
+ * BIT(3): NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
+ * BIT(4): BEACON_LOST
+ * BIT(5): NL80211_WOWLAN_TRIG_NET_DETECT
+ */
+ u8 wakeup_hif; /* 0x0: HIF_SDIO
+ * 0x1: HIF_USB
+ * 0x2: HIF_PCIE
+ * 0x3: HIF_GPIO
+ */
+ u8 pad;
+ u8 rsv[4];
+} __packed;
+
+#define MT7615_WOW_MASK_MAX_LEN 16
+#define MT7615_WOW_PATTEN_MAX_LEN 128
+struct mt7615_wow_pattern_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 index; /* pattern index */
+ u8 enable; /* 0: disable
+ * 1: enable
+ */
+ u8 data_len; /* pattern length */
+ u8 pad;
+ u8 mask[MT7615_WOW_MASK_MAX_LEN];
+ u8 pattern[MT7615_WOW_PATTEN_MAX_LEN];
+ u8 rsv[4];
+} __packed;
+
+struct mt7615_suspend_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 enable; /* 0: suspend mode disabled
+ * 1: suspend mode enabled
+ */
+ u8 mdtim; /* LP parameter */
+ u8 wow_suspend; /* 0: update by origin policy
+ * 1: update by wow dtim
+ */
+ u8 pad[5];
+} __packed;
+
+struct mt7615_gtk_rekey_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 kek[NL80211_KEK_LEN];
+ u8 kck[NL80211_KCK_LEN];
+ u8 replay_ctr[NL80211_REPLAY_CTR_LEN];
+ u8 rekey_mode; /* 0: rekey offload enable
+ * 1: rekey offload disable
+ * 2: rekey update
+ */
+ u8 keyid;
+ u8 pad[2];
+ __le32 proto; /* WPA-RSN-WAPI-OPSN */
+ __le32 pairwise_cipher;
+ __le32 group_cipher;
+ __le32 key_mgmt; /* NONE-PSK-IEEE802.1X */
+ __le32 mgmt_group_cipher;
+ u8 option; /* 1: rekey data update without enabling offload */
+ u8 reserverd[3];
+} __packed;
+
+struct mt7615_roc_tlv {
+ u8 bss_idx;
+ u8 token;
+ u8 active;
+ u8 primary_chan;
+ u8 sco;
+ u8 band;
+ u8 width; /* To support 80/160MHz bandwidth */
+ u8 freq_seg1; /* To support 80/160MHz bandwidth */
+ u8 freq_seg2; /* To support 80/160MHz bandwidth */
+ u8 req_type;
+ u8 dbdc_band;
+ u8 rsv0;
+ __le32 max_interval; /* ms */
+ u8 rsv1[8];
+} __packed;
+
+/* offload mcu commands */
+enum {
+ MCU_CMD_START_HW_SCAN = MCU_CE_PREFIX | 0x03,
+ MCU_CMD_SET_PS_PROFILE = MCU_CE_PREFIX | 0x05,
+ MCU_CMD_SET_CHAN_DOMAIN = MCU_CE_PREFIX | 0x0f,
+ MCU_CMD_SET_BSS_CONNECTED = MCU_CE_PREFIX | 0x16,
+ MCU_CMD_SET_BSS_ABORT = MCU_CE_PREFIX | 0x17,
+ MCU_CMD_CANCEL_HW_SCAN = MCU_CE_PREFIX | 0x1b,
+ MCU_CMD_SET_ROC = MCU_CE_PREFIX | 0x1c,
+ MCU_CMD_SET_P2P_OPPPS = MCU_CE_PREFIX | 0x33,
+ MCU_CMD_SCHED_SCAN_ENABLE = MCU_CE_PREFIX | 0x61,
+ MCU_CMD_SCHED_SCAN_REQ = MCU_CE_PREFIX | 0x62,
};
#define MCU_CMD_ACK BIT(0)
@@ -283,10 +567,26 @@ enum {
enum {
UNI_BSS_INFO_BASIC = 0,
+ UNI_BSS_INFO_RLM = 2,
UNI_BSS_INFO_BCN_CONTENT = 7,
};
enum {
+ UNI_SUSPEND_MODE_SETTING,
+ UNI_SUSPEND_WOW_CTRL,
+ UNI_SUSPEND_WOW_GPIO_PARAM,
+ UNI_SUSPEND_WOW_WAKEUP_PORT,
+ UNI_SUSPEND_WOW_PATTERN,
+};
+
+enum {
+ UNI_OFFLOAD_OFFLOAD_ARPNS_IPV4,
+ UNI_OFFLOAD_OFFLOAD_ARPNS_IPV6,
+ UNI_OFFLOAD_OFFLOAD_GTK_REKEY,
+ UNI_OFFLOAD_OFFLOAD_BMC_RPY_DETECT,
+};
+
+enum {
PATCH_SEM_RELEASE = 0x0,
PATCH_SEM_GET = 0x1
};
@@ -306,6 +606,11 @@ enum {
FW_STATE_CR4_RDY = 7
};
+enum {
+ FW_STATE_PWR_ON = 1,
+ FW_STATE_N9_RDY = 2,
+};
+
#define STA_TYPE_STA BIT(0)
#define STA_TYPE_AP BIT(1)
#define STA_TYPE_ADHOC BIT(2)
@@ -704,11 +1009,4 @@ enum {
CH_SWITCH_SCAN_BYPASS_DPD = 9
};
-static inline struct sk_buff *
-mt7615_mcu_msg_alloc(const void *data, int len)
-{
- return mt76_mcu_msg_alloc(data, sizeof(struct mt7615_mcu_txd),
- len, 0);
-}
-
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
index d2eff5442824..e670393506f0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
@@ -1,5 +1,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
#include "mt7615.h"
#include "regs.h"
@@ -13,12 +15,15 @@ const u32 mt7615e_reg_map[] = {
[MT_ARB_BASE] = 0x20c00,
[MT_HIF_BASE] = 0x04000,
[MT_CSR_BASE] = 0x07000,
+ [MT_PLE_BASE] = 0x08000,
+ [MT_PSE_BASE] = 0x0c000,
[MT_PHY_BASE] = 0x10000,
[MT_CFG_BASE] = 0x20200,
[MT_AGG_BASE] = 0x20a00,
[MT_TMAC_BASE] = 0x21000,
[MT_RMAC_BASE] = 0x21200,
[MT_DMA_BASE] = 0x21800,
+ [MT_PF_BASE] = 0x22000,
[MT_WTBL_BASE_ON] = 0x23000,
[MT_WTBL_BASE_OFF] = 0x23400,
[MT_LPON_BASE] = 0x24200,
@@ -37,12 +42,15 @@ const u32 mt7663e_reg_map[] = {
[MT_ARB_BASE] = 0x20c00,
[MT_HIF_BASE] = 0x04000,
[MT_CSR_BASE] = 0x07000,
+ [MT_PLE_BASE] = 0x08000,
+ [MT_PSE_BASE] = 0x0c000,
[MT_PHY_BASE] = 0x10000,
[MT_CFG_BASE] = 0x20000,
[MT_AGG_BASE] = 0x22000,
[MT_TMAC_BASE] = 0x24000,
[MT_RMAC_BASE] = 0x25000,
[MT_DMA_BASE] = 0x27000,
+ [MT_PF_BASE] = 0x28000,
[MT_WTBL_BASE_ON] = 0x29000,
[MT_WTBL_BASE_OFF] = 0x29800,
[MT_LPON_BASE] = 0x2b000,
@@ -80,30 +88,42 @@ mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
{
struct mt7615_dev *dev = dev_instance;
- u32 intr;
- intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
- mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+ mt76_wr(dev, MT_INT_MASK_CSR, 0);
if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
return IRQ_NONE;
- trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
+ tasklet_schedule(&dev->irq_tasklet);
+
+ return IRQ_HANDLED;
+}
+
+static void mt7615_irq_tasklet(unsigned long data)
+{
+ struct mt7615_dev *dev = (struct mt7615_dev *)data;
+ u32 intr, mask = 0;
+ mt76_wr(dev, MT_INT_MASK_CSR, 0);
+
+ intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+ mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+ trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
intr &= dev->mt76.mmio.irqmask;
if (intr & MT_INT_TX_DONE_ALL) {
- mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL);
+ mask |= MT_INT_TX_DONE_ALL;
napi_schedule(&dev->mt76.tx_napi);
}
if (intr & MT_INT_RX_DONE(0)) {
- mt7615_irq_disable(dev, MT_INT_RX_DONE(0));
+ mask |= MT_INT_RX_DONE(0);
napi_schedule(&dev->mt76.napi[0]);
}
if (intr & MT_INT_RX_DONE(1)) {
- mt7615_irq_disable(dev, MT_INT_RX_DONE(1));
+ mask |= MT_INT_RX_DONE(1);
napi_schedule(&dev->mt76.napi[1]);
}
@@ -117,7 +137,7 @@ static irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
}
}
- return IRQ_HANDLED;
+ mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
}
int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base,
@@ -139,18 +159,25 @@ int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base,
.sta_remove = mt7615_mac_sta_remove,
.update_survey = mt7615_update_channel,
};
+ struct ieee80211_ops *ops;
struct mt7615_dev *dev;
struct mt76_dev *mdev;
int ret;
- mdev = mt76_alloc_device(pdev, sizeof(*dev), &mt7615_ops, &drv_ops);
+ ops = devm_kmemdup(pdev, &mt7615_ops, sizeof(mt7615_ops), GFP_KERNEL);
+ if (!ops)
+ return -ENOMEM;
+
+ mdev = mt76_alloc_device(pdev, sizeof(*dev), ops, &drv_ops);
if (!mdev)
return -ENOMEM;
dev = container_of(mdev, struct mt7615_dev, mt76);
mt76_mmio_init(&dev->mt76, mem_base);
+ tasklet_init(&dev->irq_tasklet, mt7615_irq_tasklet, (unsigned long)dev);
dev->reg_map = map;
+ dev->ops = ops;
mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
(mt76_rr(dev, MT_HW_REV) & 0xff);
dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
@@ -172,3 +199,31 @@ error:
ieee80211_free_hw(mt76_hw(dev));
return ret;
}
+
+static int __init mt7615_init(void)
+{
+ int ret;
+
+ ret = pci_register_driver(&mt7615_pci_driver);
+ if (ret)
+ return ret;
+
+ if (IS_ENABLED(CONFIG_MT7622_WMAC)) {
+ ret = platform_driver_register(&mt7622_wmac_driver);
+ if (ret)
+ pci_unregister_driver(&mt7615_pci_driver);
+ }
+
+ return ret;
+}
+
+static void __exit mt7615_exit(void)
+{
+ if (IS_ENABLED(CONFIG_MT7622_WMAC))
+ platform_driver_unregister(&mt7622_wmac_driver);
+ pci_unregister_driver(&mt7615_pci_driver);
+}
+
+module_init(mt7615_init);
+module_exit(mt7615_exit);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 676ca622c35a..d6176d316bee 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -12,12 +12,14 @@
#define MT7615_MAX_INTERFACES 4
#define MT7615_MAX_WMM_SETS 4
+#define MT7663_WTBL_SIZE 32
#define MT7615_WTBL_SIZE 128
-#define MT7615_WTBL_RESERVED (MT7615_WTBL_SIZE - 1)
+#define MT7615_WTBL_RESERVED (mt7615_wtbl_size(dev) - 1)
#define MT7615_WTBL_STA (MT7615_WTBL_RESERVED - \
MT7615_MAX_INTERFACES)
#define MT7615_WATCHDOG_TIME (HZ / 10)
+#define MT7615_HW_SCAN_TIMEOUT (HZ / 10)
#define MT7615_RESET_TIMEOUT (30 * HZ)
#define MT7615_RATE_RETRY 2
@@ -40,8 +42,10 @@
#define MT7615_FIRMWARE_V2 2
#define MT7615_FIRMWARE_V3 3
-#define MT7663_ROM_PATCH "mediatek/mt7663pr2h_v3.bin"
-#define MT7663_FIRMWARE_N9 "mediatek/mt7663_n9_v3.bin"
+#define MT7663_OFFLOAD_ROM_PATCH "mediatek/mt7663pr2h.bin"
+#define MT7663_OFFLOAD_FIRMWARE_N9 "mediatek/mt7663_n9_v3.bin"
+#define MT7663_ROM_PATCH "mediatek/mt7663pr2h_rebb.bin"
+#define MT7663_FIRMWARE_N9 "mediatek/mt7663_n9_rebb.bin"
#define MT7615_EEPROM_SIZE 1024
#define MT7615_TOKEN_SIZE 4096
@@ -57,10 +61,16 @@
#define MT7615_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
#define MT7615_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
+#define MT7615_SCAN_IE_LEN 600
+#define MT7615_MAX_SCHED_SCAN_INTERVAL 10
+#define MT7615_MAX_SCHED_SCAN_SSID 10
+#define MT7615_MAX_SCAN_MATCH 16
+
struct mt7615_vif;
struct mt7615_sta;
struct mt7615_dfs_pulse;
struct mt7615_dfs_pattern;
+enum mt7615_cipher_type;
enum mt7615_hw_txq_id {
MT7615_TXQ_MAIN,
@@ -84,6 +94,39 @@ struct mt7615_rate_set {
struct ieee80211_tx_rate rates[4];
};
+struct mt7615_rate_desc {
+ bool rateset;
+ u16 probe_val;
+ u16 val[4];
+ u8 bw_idx;
+ u8 bw;
+};
+
+enum mt7615_wtbl_desc_type {
+ MT7615_WTBL_RATE_DESC,
+ MT7615_WTBL_KEY_DESC
+};
+
+struct mt7615_key_desc {
+ enum set_key_cmd cmd;
+ u32 cipher;
+ s8 keyidx;
+ u8 keylen;
+ u8 *key;
+};
+
+struct mt7615_wtbl_desc {
+ struct list_head node;
+
+ enum mt7615_wtbl_desc_type type;
+ struct mt7615_sta *sta;
+
+ union {
+ struct mt7615_rate_desc rate;
+ struct mt7615_key_desc key;
+ };
+};
+
struct mt7615_sta {
struct mt76_wcid wcid; /* must be first */
@@ -108,15 +151,18 @@ struct mt7615_vif {
u8 omac_idx;
u8 band_idx;
u8 wmm_idx;
+ u8 scan_seq_num;
struct mt7615_sta sta;
};
struct mib_stats {
- u32 ack_fail_cnt;
- u32 fcs_err_cnt;
- u32 rts_cnt;
- u32 rts_retries_cnt;
+ u16 ack_fail_cnt;
+ u16 fcs_err_cnt;
+ u16 rts_cnt;
+ u16 rts_retries_cnt;
+ u16 ba_miss_cnt;
+ unsigned long aggr_per;
};
struct mt7615_phy {
@@ -128,6 +174,8 @@ struct mt7615_phy {
u16 noise;
+ bool scs_en;
+
unsigned long last_cca_adj;
int false_cca_ofdm, false_cca_cck;
s8 ofdm_sensitivity;
@@ -146,13 +194,24 @@ struct mt7615_phy {
u32 ampdu_ref;
struct mib_stats mib;
+
+ struct delayed_work mac_work;
+ u8 mac_work_count;
+
+ struct sk_buff_head scan_event_list;
+ struct delayed_work scan_work;
+
+ struct work_struct roc_work;
+ struct timer_list roc_timer;
+ wait_queue_head_t roc_wait;
+ bool roc_grant;
};
#define mt7615_mcu_add_tx_ba(dev, ...) (dev)->mcu_ops->add_tx_ba((dev), __VA_ARGS__)
#define mt7615_mcu_add_rx_ba(dev, ...) (dev)->mcu_ops->add_rx_ba((dev), __VA_ARGS__)
#define mt7615_mcu_sta_add(dev, ...) (dev)->mcu_ops->sta_add((dev), __VA_ARGS__)
#define mt7615_mcu_add_dev_info(dev, ...) (dev)->mcu_ops->add_dev_info((dev), __VA_ARGS__)
-#define mt7615_mcu_add_bss_info(dev, ...) (dev)->mcu_ops->add_bss_info((dev), __VA_ARGS__)
+#define mt7615_mcu_add_bss_info(phy, ...) (phy->dev)->mcu_ops->add_bss_info((phy), __VA_ARGS__)
#define mt7615_mcu_add_beacon(dev, ...) (dev)->mcu_ops->add_beacon_offload((dev), __VA_ARGS__)
#define mt7615_mcu_set_pm(dev, ...) (dev)->mcu_ops->set_pm_state((dev), __VA_ARGS__)
struct mt7615_mcu_ops {
@@ -167,8 +226,8 @@ struct mt7615_mcu_ops {
struct ieee80211_sta *sta, bool enable);
int (*add_dev_info)(struct mt7615_dev *dev,
struct ieee80211_vif *vif, bool enable);
- int (*add_bss_info)(struct mt7615_dev *dev, struct ieee80211_vif *vif,
- bool enable);
+ int (*add_bss_info)(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable);
int (*add_beacon_offload)(struct mt7615_dev *dev,
struct ieee80211_hw *hw,
struct ieee80211_vif *vif, bool enable);
@@ -181,12 +240,15 @@ struct mt7615_dev {
struct mt76_phy mphy;
};
+ struct tasklet_struct irq_tasklet;
+
struct mt7615_phy phy;
u32 vif_mask;
u32 omac_mask;
u16 chainmask;
+ struct ieee80211_ops *ops;
const struct mt7615_mcu_ops *mcu_ops;
struct regmap *infracfg;
const u32 *reg_map;
@@ -208,14 +270,16 @@ struct mt7615_dev {
} radar_pattern;
u32 hw_pattern;
- u8 mac_work_count;
- bool scs_en;
bool fw_debug;
+ bool flash_eeprom;
spinlock_t token_lock;
struct idr token;
u8 fw_ver;
+
+ struct work_struct wtbl_work;
+ struct list_head wd_head;
};
enum {
@@ -289,6 +353,7 @@ mt7615_ext_phy(struct mt7615_dev *dev)
return phy->priv;
}
+extern struct ieee80211_rate mt7615_rates[12];
extern const struct ieee80211_ops mt7615_ops;
extern const u32 mt7615e_reg_map[__MT_BASE_MAX];
extern const u32 mt7663e_reg_map[__MT_BASE_MAX];
@@ -308,15 +373,19 @@ int mt7615_mmio_probe(struct device *pdev, void __iomem *mem_base,
int irq, const u32 *map);
u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr);
+void mt7615_check_offload_capability(struct mt7615_dev *dev);
void mt7615_init_device(struct mt7615_dev *dev);
int mt7615_register_device(struct mt7615_dev *dev);
void mt7615_unregister_device(struct mt7615_dev *dev);
int mt7615_register_ext_phy(struct mt7615_dev *dev);
void mt7615_unregister_ext_phy(struct mt7615_dev *dev);
-int mt7615_eeprom_init(struct mt7615_dev *dev);
-int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,
- struct ieee80211_channel *chan,
- u8 chain_idx);
+int mt7615_eeprom_init(struct mt7615_dev *dev, u32 addr);
+int mt7615_eeprom_get_target_power_index(struct mt7615_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx);
+int mt7615_eeprom_get_power_delta_index(struct mt7615_dev *dev,
+ enum nl80211_band band);
+int mt7615_wait_pdma_busy(struct mt7615_dev *dev);
int mt7615_dma_init(struct mt7615_dev *dev);
void mt7615_dma_cleanup(struct mt7615_dev *dev);
int mt7615_mcu_init(struct mt7615_dev *dev);
@@ -345,7 +414,7 @@ static inline bool is_mt7622(struct mt76_dev *dev)
static inline bool is_mt7615(struct mt76_dev *dev)
{
- return mt76_chip(dev) == 0x7615;
+ return mt76_chip(dev) == 0x7615 || mt76_chip(dev) == 0x7611;
}
static inline bool is_mt7663(struct mt76_dev *dev)
@@ -353,21 +422,46 @@ static inline bool is_mt7663(struct mt76_dev *dev)
return mt76_chip(dev) == 0x7663;
}
+static inline bool is_mt7611(struct mt76_dev *dev)
+{
+ return mt76_chip(dev) == 0x7611;
+}
+
static inline void mt7615_irq_enable(struct mt7615_dev *dev, u32 mask)
{
- mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
+ mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
+
+ tasklet_schedule(&dev->irq_tasklet);
}
-static inline void mt7615_irq_disable(struct mt7615_dev *dev, u32 mask)
+static inline bool mt7615_firmware_offload(struct mt7615_dev *dev)
{
- mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
+ return dev->fw_ver > MT7615_FIRMWARE_V2;
}
+static inline u16 mt7615_wtbl_size(struct mt7615_dev *dev)
+{
+ if (is_mt7663(&dev->mt76) && mt7615_firmware_offload(dev))
+ return MT7663_WTBL_SIZE;
+ else
+ return MT7615_WTBL_SIZE;
+}
+
+void mt7615_dma_reset(struct mt7615_dev *dev);
+void mt7615_scan_work(struct work_struct *work);
+void mt7615_roc_work(struct work_struct *work);
+void mt7615_roc_timer(struct timer_list *timer);
+void mt7615_init_txpower(struct mt7615_dev *dev,
+ struct ieee80211_supported_band *sband);
+void mt7615_phy_init(struct mt7615_dev *dev);
+void mt7615_mac_init(struct mt7615_dev *dev);
+
+int mt7615_mcu_restart(struct mt76_dev *dev);
void mt7615_update_channel(struct mt76_dev *mdev);
bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask);
void mt7615_mac_reset_counters(struct mt7615_dev *dev);
void mt7615_mac_cca_stats_reset(struct mt7615_phy *phy);
-void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable);
+void mt7615_mac_set_scs(struct mt7615_phy *phy, bool enable);
void mt7615_mac_enable_nf(struct mt7615_dev *dev, bool ext_phy);
void mt7615_mac_sta_poll(struct mt7615_dev *dev);
int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
@@ -375,15 +469,27 @@ int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
struct ieee80211_sta *sta, int pid,
struct ieee80211_key_conf *key, bool beacon);
void mt7615_mac_set_timing(struct mt7615_phy *phy);
-int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb);
-void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data);
-void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb);
int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
struct ieee80211_key_conf *key,
enum set_key_cmd cmd);
+int mt7615_mac_wtbl_update_pk(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ enum mt7615_cipher_type cipher,
+ int keyidx, enum set_key_cmd cmd);
+void mt7615_mac_wtbl_update_cipher(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ enum mt7615_cipher_type cipher,
+ enum set_key_cmd cmd);
+int mt7615_mac_wtbl_update_key(struct mt7615_dev *dev,
+ struct mt76_wcid *wcid,
+ u8 *key, u8 keylen,
+ enum mt7615_cipher_type cipher,
+ enum set_key_cmd cmd);
void mt7615_mac_reset_work(struct work_struct *work);
int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
+int mt7615_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+ int len, bool wait_resp);
int mt7615_mcu_set_dbdc(struct mt7615_dev *dev);
int mt7615_mcu_set_eeprom(struct mt7615_dev *dev);
int mt7615_mcu_set_mac_enable(struct mt7615_dev *dev, int band, bool enable);
@@ -392,6 +498,17 @@ int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index);
void mt7615_mcu_exit(struct mt7615_dev *dev);
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq);
+int mt7615_mcu_set_channel_domain(struct mt7615_phy *phy);
+int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *scan_req);
+int mt7615_mcu_cancel_hw_scan(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif);
+int mt7615_mcu_sched_scan_req(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *sreq);
+int mt7615_mcu_sched_scan_enable(struct mt7615_phy *phy,
+ struct ieee80211_vif *vif,
+ bool enable);
int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
@@ -417,8 +534,33 @@ int mt7615_mcu_set_pulse_th(struct mt7615_dev *dev,
int mt7615_mcu_set_radar_th(struct mt7615_dev *dev, int index,
const struct mt7615_dfs_pattern *pattern);
int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable);
+int mt7615_mcu_apply_rx_dcoc(struct mt7615_phy *phy);
+int mt7615_mcu_apply_tx_dpd(struct mt7615_phy *phy);
+int mt7615_mcu_set_vif_ps(struct mt7615_dev *dev, struct ieee80211_vif *vif);
int mt7615_dfs_init_radar_detector(struct mt7615_phy *phy);
+int mt7615_mcu_set_p2p_oppps(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
+int mt7615_mcu_set_roc(struct mt7615_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan, int duration);
+int mt7615_firmware_own(struct mt7615_dev *dev);
+int mt7615_driver_own(struct mt7615_dev *dev);
+
int mt7615_init_debugfs(struct mt7615_dev *dev);
+int mt7615_mcu_wait_response(struct mt7615_dev *dev, int cmd, int seq);
+
+int mt7615_mcu_set_hif_suspend(struct mt7615_dev *dev, bool suspend);
+void mt7615_mcu_set_suspend_iter(void *priv, u8 *mac,
+ struct ieee80211_vif *vif);
+int mt7615_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_gtk_rekey_data *key);
+
+int __mt7663_load_firmware(struct mt7615_dev *dev);
+
+/* usb */
+void mt7663u_wtbl_work(struct work_struct *work);
+int mt7663u_mcu_init(struct mt7615_dev *dev);
+int mt7663u_register_device(struct mt7615_dev *dev);
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
index c8d0f893a47f..ba12f199bce0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci.c
@@ -14,6 +14,7 @@
static const struct pci_device_id mt7615_pci_device_table[] = {
{ PCI_DEVICE(0x14c3, 0x7615) },
{ PCI_DEVICE(0x14c3, 0x7663) },
+ { PCI_DEVICE(0x14c3, 0x7611) },
{ },
};
@@ -33,13 +34,27 @@ static int mt7615_pci_probe(struct pci_dev *pdev,
pci_set_master(pdev);
+ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+ if (ret < 0)
+ return ret;
+
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
- return ret;
+ goto error;
+
+ mt76_pci_disable_aspm(pdev);
map = id->device == 0x7663 ? mt7663e_reg_map : mt7615e_reg_map;
- return mt7615_mmio_probe(&pdev->dev, pcim_iomap_table(pdev)[0],
- pdev->irq, map);
+ ret = mt7615_mmio_probe(&pdev->dev, pcim_iomap_table(pdev)[0],
+ pdev->irq, map);
+ if (ret)
+ goto error;
+
+ return 0;
+error:
+ pci_free_irq_vectors(pdev);
+
+ return ret;
}
static void mt7615_pci_remove(struct pci_dev *pdev)
@@ -48,18 +63,132 @@ static void mt7615_pci_remove(struct pci_dev *pdev)
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_unregister_device(dev);
+ devm_free_irq(&pdev->dev, pdev->irq, dev);
+ pci_free_irq_vectors(pdev);
+}
+
+#ifdef CONFIG_PM
+static int mt7615_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct mt76_dev *mdev = pci_get_drvdata(pdev);
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ bool hif_suspend;
+ int i, err;
+
+ hif_suspend = !test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
+ mt7615_firmware_offload(dev);
+ if (hif_suspend) {
+ err = mt7615_mcu_set_hif_suspend(dev, true);
+ if (err)
+ return err;
+ }
+
+ napi_disable(&mdev->tx_napi);
+ tasklet_kill(&mdev->tx_tasklet);
+
+ mt76_for_each_q_rx(mdev, i) {
+ napi_disable(&mdev->napi[i]);
+ }
+ tasklet_kill(&dev->irq_tasklet);
+
+ mt7615_dma_reset(dev);
+
+ err = mt7615_wait_pdma_busy(dev);
+ if (err)
+ goto restore;
+
+ if (is_mt7663(mdev)) {
+ mt76_set(dev, MT_PDMA_SLP_PROT, MT_PDMA_AXI_SLPPROT_ENABLE);
+ if (!mt76_poll_msec(dev, MT_PDMA_SLP_PROT,
+ MT_PDMA_AXI_SLPPROT_RDY,
+ MT_PDMA_AXI_SLPPROT_RDY, 1000)) {
+ dev_err(mdev->dev, "PDMA sleep protection failed\n");
+ err = -EIO;
+ goto restore;
+ }
+ }
+
+ pci_enable_wake(pdev, pci_choose_state(pdev, state), true);
+ pci_save_state(pdev);
+ err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ if (err)
+ goto restore;
+
+ err = mt7615_firmware_own(dev);
+ if (err)
+ goto restore;
+
+ return 0;
+
+restore:
+ mt76_for_each_q_rx(mdev, i) {
+ napi_enable(&mdev->napi[i]);
+ }
+ napi_enable(&mdev->tx_napi);
+ if (hif_suspend)
+ mt7615_mcu_set_hif_suspend(dev, false);
+
+ return err;
+}
+
+static int mt7615_pci_resume(struct pci_dev *pdev)
+{
+ struct mt76_dev *mdev = pci_get_drvdata(pdev);
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ bool pdma_reset;
+ int i, err;
+
+ err = mt7615_driver_own(dev);
+ if (err < 0)
+ return err;
+
+ err = pci_set_power_state(pdev, PCI_D0);
+ if (err)
+ return err;
+
+ pci_restore_state(pdev);
+
+ if (is_mt7663(&dev->mt76)) {
+ mt76_clear(dev, MT_PDMA_SLP_PROT, MT_PDMA_AXI_SLPPROT_ENABLE);
+ mt76_wr(dev, MT_PCIE_IRQ_ENABLE, 1);
+ }
+
+ pdma_reset = !mt76_rr(dev, MT_WPDMA_TX_RING0_CTRL0) &&
+ !mt76_rr(dev, MT_WPDMA_TX_RING0_CTRL1);
+ if (pdma_reset)
+ dev_err(mdev->dev, "PDMA engine must be reinitialized\n");
+
+ mt76_for_each_q_rx(mdev, i) {
+ napi_enable(&mdev->napi[i]);
+ napi_schedule(&mdev->napi[i]);
+ }
+ napi_enable(&mdev->tx_napi);
+ napi_schedule(&mdev->tx_napi);
+
+ if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
+ mt7615_firmware_offload(dev))
+ err = mt7615_mcu_set_hif_suspend(dev, false);
+
+ return err;
}
+#endif /* CONFIG_PM */
struct pci_driver mt7615_pci_driver = {
.name = KBUILD_MODNAME,
.id_table = mt7615_pci_device_table,
.probe = mt7615_pci_probe,
.remove = mt7615_pci_remove,
+#ifdef CONFIG_PM
+ .suspend = mt7615_pci_suspend,
+ .resume = mt7615_pci_resume,
+#endif /* CONFIG_PM */
};
MODULE_DEVICE_TABLE(pci, mt7615_pci_device_table);
MODULE_FIRMWARE(MT7615_FIRMWARE_CR4);
MODULE_FIRMWARE(MT7615_FIRMWARE_N9);
MODULE_FIRMWARE(MT7615_ROM_PATCH);
+MODULE_FIRMWARE(MT7663_OFFLOAD_FIRMWARE_N9);
+MODULE_FIRMWARE(MT7663_OFFLOAD_ROM_PATCH);
MODULE_FIRMWARE(MT7663_FIRMWARE_N9);
MODULE_FIRMWARE(MT7663_ROM_PATCH);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
new file mode 100644
index 000000000000..69cba8609edf
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c
@@ -0,0 +1,174 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2019 MediaTek Inc.
+ *
+ * Author: Roy Luo <royluo@google.com>
+ * Ryder Lee <ryder.lee@mediatek.com>
+ * Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
+ */
+
+#include <linux/etherdevice.h>
+#include "mt7615.h"
+#include "mac.h"
+#include "eeprom.h"
+
+static void mt7615_init_work(struct work_struct *work)
+{
+ struct mt7615_dev *dev = container_of(work, struct mt7615_dev,
+ mcu_work);
+
+ if (mt7615_mcu_init(dev))
+ return;
+
+ mt7615_mcu_set_eeprom(dev);
+ mt7615_mac_init(dev);
+ mt7615_phy_init(dev);
+ mt7615_mcu_del_wtbl_all(dev);
+ mt7615_check_offload_capability(dev);
+}
+
+static int mt7615_init_hardware(struct mt7615_dev *dev)
+{
+ u32 addr = mt7615_reg_map(dev, MT_EFUSE_BASE);
+ int ret, idx;
+
+ mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+
+ INIT_WORK(&dev->mcu_work, mt7615_init_work);
+ spin_lock_init(&dev->token_lock);
+ idr_init(&dev->token);
+
+ ret = mt7615_eeprom_init(dev, addr);
+ if (ret < 0)
+ return ret;
+
+ ret = mt7615_dma_init(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+ /* Beacon and mgmt frames should occupy wcid 0 */
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
+ if (idx)
+ return -ENOSPC;
+
+ dev->mt76.global_wcid.idx = idx;
+ dev->mt76.global_wcid.hw_key_idx = -1;
+ rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+ return 0;
+}
+
+static void
+mt7615_led_set_config(struct led_classdev *led_cdev,
+ u8 delay_on, u8 delay_off)
+{
+ struct mt7615_dev *dev;
+ struct mt76_dev *mt76;
+ u32 val, addr;
+
+ mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
+ dev = container_of(mt76, struct mt7615_dev, mt76);
+ val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
+ FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
+ FIELD_PREP(MT_LED_STATUS_ON, delay_on);
+
+ addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
+ mt76_wr(dev, addr, val);
+ addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
+ mt76_wr(dev, addr, val);
+
+ val = MT_LED_CTRL_REPLAY(mt76->led_pin) |
+ MT_LED_CTRL_KICK(mt76->led_pin);
+ if (mt76->led_al)
+ val |= MT_LED_CTRL_POLARITY(mt76->led_pin);
+ addr = mt7615_reg_map(dev, MT_LED_CTRL);
+ mt76_wr(dev, addr, val);
+}
+
+static int
+mt7615_led_set_blink(struct led_classdev *led_cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ u8 delta_on, delta_off;
+
+ delta_off = max_t(u8, *delay_off / 10, 1);
+ delta_on = max_t(u8, *delay_on / 10, 1);
+
+ mt7615_led_set_config(led_cdev, delta_on, delta_off);
+
+ return 0;
+}
+
+static void
+mt7615_led_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ if (!brightness)
+ mt7615_led_set_config(led_cdev, 0, 0xff);
+ else
+ mt7615_led_set_config(led_cdev, 0xff, 0);
+}
+
+int mt7615_register_device(struct mt7615_dev *dev)
+{
+ int ret;
+
+ mt7615_init_device(dev);
+
+ /* init led callbacks */
+ if (IS_ENABLED(CONFIG_MT76_LEDS)) {
+ dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness;
+ dev->mt76.led_cdev.blink_set = mt7615_led_set_blink;
+ }
+
+ ret = mt7622_wmac_init(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7615_init_hardware(dev);
+ if (ret)
+ return ret;
+
+ ret = mt76_register_device(&dev->mt76, true, mt7615_rates,
+ ARRAY_SIZE(mt7615_rates));
+ if (ret)
+ return ret;
+
+ ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work);
+ mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
+ mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
+
+ return mt7615_init_debugfs(dev);
+}
+
+void mt7615_unregister_device(struct mt7615_dev *dev)
+{
+ struct mt76_txwi_cache *txwi;
+ bool mcu_running;
+ int id;
+
+ mcu_running = mt7615_wait_for_mcu_init(dev);
+
+ mt7615_unregister_ext_phy(dev);
+ mt76_unregister_device(&dev->mt76);
+ if (mcu_running)
+ mt7615_mcu_exit(dev);
+ mt7615_dma_cleanup(dev);
+
+ spin_lock_bh(&dev->token_lock);
+ idr_for_each_entry(&dev->token, txwi, id) {
+ mt7615_txp_skb_unmap(&dev->mt76, txwi);
+ if (txwi->skb)
+ dev_kfree_skb_any(txwi->skb);
+ mt76_put_txwi(&dev->mt76, txwi);
+ }
+ spin_unlock_bh(&dev->token_lock);
+ idr_destroy(&dev->token);
+
+ tasklet_disable(&dev->irq_tasklet);
+
+ mt76_free_device(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c
new file mode 100644
index 000000000000..7ec91c0856f5
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c
@@ -0,0 +1,184 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ * Roy Luo <royluo@google.com>
+ * Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/timekeeping.h>
+
+#include "mt7615.h"
+#include "../dma.h"
+#include "mac.h"
+
+void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+ struct mt76_queue_entry *e)
+{
+ if (!e->txwi) {
+ dev_kfree_skb_any(e->skb);
+ return;
+ }
+
+ /* error path */
+ if (e->skb == DMA_DUMMY_DATA) {
+ struct mt76_txwi_cache *t;
+ struct mt7615_dev *dev;
+ struct mt7615_txp_common *txp;
+ u16 token;
+
+ dev = container_of(mdev, struct mt7615_dev, mt76);
+ txp = mt7615_txwi_to_txp(mdev, e->txwi);
+
+ if (is_mt7615(&dev->mt76))
+ token = le16_to_cpu(txp->fw.token);
+ else
+ token = le16_to_cpu(txp->hw.msdu_id[0]) &
+ ~MT_MSDU_ID_VALID;
+
+ spin_lock_bh(&dev->token_lock);
+ t = idr_remove(&dev->token, token);
+ spin_unlock_bh(&dev->token_lock);
+ e->skb = t ? t->skb : NULL;
+ }
+
+ if (e->skb)
+ mt76_tx_complete_skb(mdev, e->skb);
+}
+
+static void
+mt7615_write_hw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info,
+ void *txp_ptr, u32 id)
+{
+ struct mt7615_hw_txp *txp = txp_ptr;
+ struct mt7615_txp_ptr *ptr = &txp->ptr[0];
+ int i, nbuf = tx_info->nbuf - 1;
+ u32 last_mask;
+
+ tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp);
+ tx_info->nbuf = 1;
+
+ txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID);
+
+ if (is_mt7663(&dev->mt76))
+ last_mask = MT_TXD_LEN_LAST;
+ else
+ last_mask = MT_TXD_LEN_AMSDU_LAST |
+ MT_TXD_LEN_MSDU_LAST;
+
+ for (i = 0; i < nbuf; i++) {
+ u16 len = tx_info->buf[i + 1].len & MT_TXD_LEN_MASK;
+ u32 addr = tx_info->buf[i + 1].addr;
+
+ if (i == nbuf - 1)
+ len |= last_mask;
+
+ if (i & 1) {
+ ptr->buf1 = cpu_to_le32(addr);
+ ptr->len1 = cpu_to_le16(len);
+ ptr++;
+ } else {
+ ptr->buf0 = cpu_to_le32(addr);
+ ptr->len0 = cpu_to_le16(len);
+ }
+ }
+}
+
+static void
+mt7615_write_fw_txp(struct mt7615_dev *dev, struct mt76_tx_info *tx_info,
+ void *txp_ptr, u32 id)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt7615_fw_txp *txp = txp_ptr;
+ int nbuf = tx_info->nbuf - 1;
+ int i;
+
+ for (i = 0; i < nbuf; i++) {
+ txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
+ txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
+ }
+ txp->nbuf = nbuf;
+
+ /* pass partial skb header to fw */
+ tx_info->buf[0].len = MT_TXD_SIZE + sizeof(*txp);
+ tx_info->buf[1].len = MT_CT_PARSE_LEN;
+ tx_info->nbuf = MT_CT_DMA_BUF_NUM;
+
+ txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD);
+
+ if (!key)
+ txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
+
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
+
+ if (vif) {
+ struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
+
+ txp->bss_idx = mvif->idx;
+ }
+
+ txp->token = cpu_to_le16(id);
+ txp->rept_wds_wcid = 0xff;
+}
+
+int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ struct mt7615_sta *msta = container_of(wcid, struct mt7615_sta, wcid);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ int pid, id;
+ u8 *txwi = (u8 *)txwi_ptr;
+ struct mt76_txwi_cache *t;
+ void *txp;
+
+ if (!wcid)
+ wcid = &dev->mt76.global_wcid;
+
+ pid = mt76_tx_status_skb_add(mdev, wcid, tx_info->skb);
+
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) {
+ struct mt7615_phy *phy = &dev->phy;
+
+ if ((info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY) && mdev->phy2)
+ phy = mdev->phy2->priv;
+
+ spin_lock_bh(&dev->mt76.lock);
+ mt7615_mac_set_rates(phy, msta, &info->control.rates[0],
+ msta->rates);
+ msta->rate_probe = true;
+ spin_unlock_bh(&dev->mt76.lock);
+ }
+
+ t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+ t->skb = tx_info->skb;
+
+ spin_lock_bh(&dev->token_lock);
+ id = idr_alloc(&dev->token, t, 0, MT7615_TOKEN_SIZE, GFP_ATOMIC);
+ spin_unlock_bh(&dev->token_lock);
+ if (id < 0)
+ return id;
+
+ mt7615_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, sta,
+ pid, key, false);
+
+ txp = txwi + MT_TXD_SIZE;
+ memset(txp, 0, sizeof(struct mt7615_txp_common));
+ if (is_mt7615(&dev->mt76))
+ mt7615_write_fw_txp(dev, tx_info, txp, id);
+ else
+ mt7615_write_hw_txp(dev, tx_info, txp, id);
+
+ tx_info->skb = DMA_DUMMY_DATA;
+
+ return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index 1e0d95b917e1..aee433a9eff6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -12,12 +12,15 @@ enum mt7615_reg_base {
MT_ARB_BASE,
MT_HIF_BASE,
MT_CSR_BASE,
+ MT_PLE_BASE,
+ MT_PSE_BASE,
MT_PHY_BASE,
MT_CFG_BASE,
MT_AGG_BASE,
MT_TMAC_BASE,
MT_RMAC_BASE,
MT_DMA_BASE,
+ MT_PF_BASE,
MT_WTBL_BASE_ON,
MT_WTBL_BASE_OFF,
MT_LPON_BASE,
@@ -43,6 +46,7 @@ enum mt7615_reg_base {
#define MT_TOP_MISC2_FW_STATE GENMASK(2, 0)
#define MT7663_TOP_MISC2_FW_STATE GENMASK(3, 1)
+#define MT_TOP_MISC2_FW_PWR_ON BIT(1)
#define MT_MCU_BASE 0x2000
#define MT_MCU(ofs) (MT_MCU_BASE + (ofs))
@@ -58,6 +62,19 @@ enum mt7615_reg_base {
#define MT_PCIE_REMAP_BASE_2 ((dev)->reg_map[MT_PCIE_REMAP_BASE2])
#define MT_HIF(ofs) ((dev)->reg_map[MT_HIF_BASE] + (ofs))
+#define MT_HIF_RST MT_HIF(0x100)
+#define MT_HIF_LOGIC_RST_N BIT(4)
+
+#define MT_PDMA_SLP_PROT MT_HIF(0x154)
+#define MT_PDMA_AXI_SLPPROT_ENABLE BIT(0)
+#define MT_PDMA_AXI_SLPPROT_RDY BIT(16)
+
+#define MT_PDMA_BUSY_STATUS MT_HIF(0x168)
+#define MT_PDMA_TX_IDX_BUSY BIT(2)
+#define MT_PDMA_BUSY_IDX BIT(31)
+
+#define MT_WPDMA_TX_RING0_CTRL0 MT_HIF(0x300)
+#define MT_WPDMA_TX_RING0_CTRL1 MT_HIF(0x304)
#define MT7663_MCU_PCIE_REMAP_2_OFFSET GENMASK(15, 0)
#define MT7663_MCU_PCIE_REMAP_2_BASE GENMASK(31, 16)
@@ -65,6 +82,7 @@ enum mt7615_reg_base {
#define MT_HIF2_BASE 0xf0000
#define MT_HIF2(ofs) (MT_HIF2_BASE + (ofs))
#define MT_PCIE_IRQ_ENABLE MT_HIF2(0x188)
+#define MT_PCIE_DOORBELL_PUSH MT_HIF2(0x1484)
#define MT_CFG_LPCR_HOST MT_HIF(0x1f0)
#define MT_CFG_LPCR_HOST_FW_OWN BIT(0)
@@ -133,8 +151,7 @@ enum mt7615_reg_base {
#define MT_CSR(ofs) ((dev)->reg_map[MT_CSR_BASE] + (ofs))
#define MT_CONN_HIF_ON_LPCTL MT_CSR(0x000)
-#define MT_PLE_BASE 0x8000
-#define MT_PLE(ofs) (MT_PLE_BASE + (ofs))
+#define MT_PLE(ofs) ((dev)->reg_map[MT_PLE_BASE] + (ofs))
#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0)
#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4)
@@ -144,6 +161,14 @@ enum mt7615_reg_base {
#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \
((n) << 2))
+#define MT_PSE(ofs) ((dev)->reg_map[MT_PSE_BASE] + (ofs))
+#define MT_PSE_QUEUE_EMPTY MT_PSE(0x0b4)
+#define MT_HIF_0_EMPTY_MASK BIT(16)
+#define MT_HIF_1_EMPTY_MASK BIT(17)
+#define MT_HIF_ALL_EMPTY_MASK GENMASK(17, 16)
+#define MT_PSE_PG_INFO MT_PSE(0x194)
+#define MT_PSE_SRC_CNT GENMASK(27, 16)
+
#define MT_WF_PHY_BASE ((dev)->reg_map[MT_PHY_BASE])
#define MT_WF_PHY(ofs) (MT_WF_PHY_BASE + (ofs))
@@ -151,29 +176,40 @@ enum mt7615_reg_base {
#define MT_WF_PHY_WF2_RFCTRL0_LPBCN_EN BIT(9)
#define MT_WF_PHY_R0_PHYMUX_5(_phy) MT_WF_PHY(0x0614 + ((_phy) << 9))
+#define MT7663_WF_PHY_R0_PHYMUX_5 MT_WF_PHY(0x0414)
#define MT_WF_PHY_R0_PHYCTRL_STS0(_phy) MT_WF_PHY(0x020c + ((_phy) << 9))
#define MT_WF_PHYCTRL_STAT_PD_OFDM GENMASK(31, 16)
#define MT_WF_PHYCTRL_STAT_PD_CCK GENMASK(15, 0)
+#define MT7663_WF_PHY_R0_PHYCTRL_STS0(_phy) MT_WF_PHY(0x0210 + ((_phy) << 12))
+
#define MT_WF_PHY_R0_PHYCTRL_STS5(_phy) MT_WF_PHY(0x0220 + ((_phy) << 9))
#define MT_WF_PHYCTRL_STAT_MDRDY_OFDM GENMASK(31, 16)
#define MT_WF_PHYCTRL_STAT_MDRDY_CCK GENMASK(15, 0)
+#define MT7663_WF_PHY_R0_PHYCTRL_STS5(_phy) MT_WF_PHY(0x0224 + ((_phy) << 12))
+
#define MT_WF_PHY_MIN_PRI_PWR(_phy) MT_WF_PHY((_phy) ? 0x084 : 0x229c)
#define MT_WF_PHY_PD_OFDM_MASK(_phy) ((_phy) ? GENMASK(24, 16) : \
GENMASK(28, 20))
#define MT_WF_PHY_PD_OFDM(_phy, v) ((v) << ((_phy) ? 16 : 20))
#define MT_WF_PHY_PD_BLK(_phy) ((_phy) ? BIT(25) : BIT(19))
+#define MT7663_WF_PHY_MIN_PRI_PWR(_phy) MT_WF_PHY((_phy) ? 0x2aec : 0x22f0)
+
#define MT_WF_PHY_RXTD_BASE MT_WF_PHY(0x2200)
#define MT_WF_PHY_RXTD(_n) (MT_WF_PHY_RXTD_BASE + ((_n) << 2))
+#define MT7663_WF_PHY_RXTD(_n) (MT_WF_PHY(0x25b0) + ((_n) << 2))
+
#define MT_WF_PHY_RXTD_CCK_PD(_phy) MT_WF_PHY((_phy) ? 0x2314 : 0x2310)
#define MT_WF_PHY_PD_CCK_MASK(_phy) (_phy) ? GENMASK(31, 24) : \
GENMASK(8, 1)
#define MT_WF_PHY_PD_CCK(_phy, v) ((v) << ((_phy) ? 24 : 1))
+#define MT7663_WF_PHY_RXTD_CCK_PD(_phy) MT_WF_PHY((_phy) ? 0x2350 : 0x234c)
+
#define MT_WF_PHY_RXTD2_BASE MT_WF_PHY(0x2a00)
#define MT_WF_PHY_RXTD2(_n) (MT_WF_PHY_RXTD2_BASE + ((_n) << 2))
@@ -306,10 +342,17 @@ enum mt7615_reg_base {
#define MT_DMA_RCFR0_MCU_RX_MGMT BIT(2)
#define MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR BIT(3)
#define MT_DMA_RCFR0_MCU_RX_CTL_BAR BIT(4)
+#define MT_DMA_RCFR0_MCU_RX_TDLS BIT(19)
#define MT_DMA_RCFR0_MCU_RX_BYPASS BIT(21)
#define MT_DMA_RCFR0_RX_DROPPED_UCAST GENMASK(25, 24)
#define MT_DMA_RCFR0_RX_DROPPED_MCAST GENMASK(27, 26)
+#define MT_WF_PF_BASE ((dev)->reg_map[MT_PF_BASE])
+#define MT_WF_PF(ofs) (MT_WF_PF_BASE + (ofs))
+
+#define MT_WF_PFCR MT_WF_PF(0x000)
+#define MT_WF_PFCR_TDLS_EN BIT(9)
+
#define MT_WTBL_BASE(dev) ((dev)->reg_map[MT_WTBL_BASE_ADDR])
#define MT_WTBL_ENTRY_SIZE 256
@@ -379,34 +422,44 @@ enum mt7615_reg_base {
#define MT_LPON_UTTR1 MT_LPON(0x01c)
#define MT_WF_MIB_BASE (dev->reg_map[MT_MIB_BASE])
-#define MT_WF_MIB(ofs) (MT_WF_MIB_BASE + (ofs))
+#define MT_WF_MIB(_band, ofs) (MT_WF_MIB_BASE + (ofs) + (_band) * 0x200)
-#define MT_MIB_M0_MISC_CR MT_WF_MIB(0x00c)
+#define MT_WF_MIB_SCR0 MT_WF_MIB(0, 0)
+#define MT_MIB_SCR0_AGG_CNT_RANGE_EN BIT(21)
-#define MT_MIB_SDR3(n) MT_WF_MIB(0x014 + ((n) << 9))
+#define MT_MIB_M0_MISC_CR(_band) MT_WF_MIB(_band, 0x00c)
+
+#define MT_MIB_SDR3(_band) MT_WF_MIB(_band, 0x014)
#define MT_MIB_SDR3_FCS_ERR_MASK GENMASK(15, 0)
-#define MT_MIB_SDR9(n) MT_WF_MIB(0x02c + ((n) << 9))
+#define MT_MIB_SDR9(_band) MT_WF_MIB(_band, 0x02c)
#define MT_MIB_SDR9_BUSY_MASK GENMASK(23, 0)
-#define MT_MIB_SDR16(n) MT_WF_MIB(0x048 + ((n) << 9))
+#define MT_MIB_SDR14(_band) MT_WF_MIB(_band, 0x040)
+#define MT_MIB_AMPDU_MPDU_COUNT GENMASK(23, 0)
+
+#define MT_MIB_SDR15(_band) MT_WF_MIB(_band, 0x044)
+#define MT_MIB_AMPDU_ACK_COUNT GENMASK(23, 0)
+
+#define MT_MIB_SDR16(_band) MT_WF_MIB(_band, 0x048)
#define MT_MIB_SDR16_BUSY_MASK GENMASK(23, 0)
-#define MT_MIB_SDR36(n) MT_WF_MIB(0x098 + ((n) << 9))
+#define MT_MIB_SDR36(_band) MT_WF_MIB(_band, 0x098)
#define MT_MIB_SDR36_TXTIME_MASK GENMASK(23, 0)
-#define MT_MIB_SDR37(n) MT_WF_MIB(0x09c + ((n) << 9))
+#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x09c)
#define MT_MIB_SDR37_RXTIME_MASK GENMASK(23, 0)
-#define MT_MIB_MB_SDR0(_band, n) MT_WF_MIB(0x100 + ((_band) << 9) + \
- ((n) << 4))
+#define MT_MIB_MB_SDR0(_band, n) MT_WF_MIB(_band, 0x100 + ((n) << 4))
#define MT_MIB_RTS_RETRIES_COUNT_MASK GENMASK(31, 16)
#define MT_MIB_RTS_COUNT_MASK GENMASK(15, 0)
-#define MT_MIB_MB_SDR1(_band, n) MT_WF_MIB(0x104 + ((_band) << 9) + \
- ((n) << 4))
+#define MT_MIB_MB_SDR1(_band, n) MT_WF_MIB(_band, 0x104 + ((n) << 4))
+#define MT_MIB_BA_MISS_COUNT_MASK GENMASK(15, 0)
#define MT_MIB_ACK_FAIL_COUNT_MASK GENMASK(31, 16)
-#define MT_TX_AGG_CNT(n) MT_WF_MIB(0xa8 + ((n) << 2))
+#define MT_MIB_ARNG(n) MT_WF_MIB(0, 0x4b8 + ((n) << 2))
+
+#define MT_TX_AGG_CNT(_band, n) MT_WF_MIB(_band, 0xa8 + ((n) << 2))
#define MT_DMA_SHDL(ofs) (dev->reg_map[MT_DMA_SHDL_BASE] + (ofs))
@@ -449,6 +502,10 @@ enum mt7615_reg_base {
#define MT_LED_STATUS_ON GENMASK(23, 16)
#define MT_LED_STATUS_DURATION GENMASK(15, 0)
+#define MT_PDMA_BUSY 0x82000504
+#define MT_PDMA_TX_BUSY BIT(0)
+#define MT_PDMA_RX_BUSY BIT(1)
+
#define MT_EFUSE_BASE ((dev)->reg_map[MT_EFUSE_ADDR_BASE])
#define MT_EFUSE_BASE_CTRL 0x000
#define MT_EFUSE_BASE_CTRL_EMPTY BIT(30)
@@ -470,4 +527,27 @@ enum mt7615_reg_base {
#define MT_INFRACFG_MISC 0x700
#define MT_INFRACFG_MISC_AP2CONN_WAKE BIT(1)
+#define MT_UMAC_BASE 0x7c000000
+#define MT_UMAC(ofs) (MT_UMAC_BASE + (ofs))
+#define MT_UDMA_TX_QSEL MT_UMAC(0x008)
+#define MT_FW_DL_EN BIT(3)
+
+#define MT_UDMA_WLCFG_1 MT_UMAC(0x00c)
+#define MT_WL_RX_AGG_PKT_LMT GENMASK(7, 0)
+#define MT_WL_TX_TMOUT_LMT GENMASK(27, 8)
+
+#define MT_UDMA_WLCFG_0 MT_UMAC(0x18)
+#define MT_WL_RX_AGG_TO GENMASK(7, 0)
+#define MT_WL_RX_AGG_LMT GENMASK(15, 8)
+#define MT_WL_TX_TMOUT_FUNC_EN BIT(16)
+#define MT_WL_TX_DPH_CHK_EN BIT(17)
+#define MT_WL_RX_MPSZ_PAD0 BIT(18)
+#define MT_WL_RX_FLUSH BIT(19)
+#define MT_TICK_1US_EN BIT(20)
+#define MT_WL_RX_AGG_EN BIT(21)
+#define MT_WL_RX_EN BIT(22)
+#define MT_WL_TX_EN BIT(23)
+#define MT_WL_RX_BUSY BIT(30)
+#define MT_WL_TX_BUSY BIT(31)
+
#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/soc.c b/drivers/net/wireless/mediatek/mt76/mt7615/soc.c
index 43aa49706c66..9aa5183c7a56 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/soc.c
@@ -36,10 +36,8 @@ static int mt7622_wmac_probe(struct platform_device *pdev)
int irq;
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(&pdev->dev, "Failed to get device IRQ\n");
+ if (irq < 0)
return irq;
- }
mem_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(mem_base)) {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
new file mode 100644
index 000000000000..a50077eb24d7
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -0,0 +1,447 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2019 MediaTek Inc.
+ *
+ * Author: Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
+ * Sean Wang <sean.wang@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+
+#include "mt7615.h"
+#include "mac.h"
+#include "mcu.h"
+#include "regs.h"
+
+static const u32 mt7663u_reg_map[] = {
+ [MT_TOP_CFG_BASE] = 0x80020000,
+ [MT_HW_BASE] = 0x80000000,
+ [MT_DMA_SHDL_BASE] = 0x5000a000,
+ [MT_HIF_BASE] = 0x50000000,
+ [MT_CSR_BASE] = 0x40000000,
+ [MT_EFUSE_ADDR_BASE] = 0x78011000,
+ [MT_TOP_MISC_BASE] = 0x81020000,
+ [MT_PLE_BASE] = 0x82060000,
+ [MT_PSE_BASE] = 0x82068000,
+ [MT_PHY_BASE] = 0x82070000,
+ [MT_WTBL_BASE_ADDR] = 0x820e0000,
+ [MT_CFG_BASE] = 0x820f0000,
+ [MT_AGG_BASE] = 0x820f2000,
+ [MT_ARB_BASE] = 0x820f3000,
+ [MT_TMAC_BASE] = 0x820f4000,
+ [MT_RMAC_BASE] = 0x820f5000,
+ [MT_DMA_BASE] = 0x820f7000,
+ [MT_PF_BASE] = 0x820f8000,
+ [MT_WTBL_BASE_ON] = 0x820f9000,
+ [MT_WTBL_BASE_OFF] = 0x820f9800,
+ [MT_LPON_BASE] = 0x820fb000,
+ [MT_MIB_BASE] = 0x820fd000,
+};
+
+static const struct usb_device_id mt7615_device_table[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(0x0e8d, 0x7663, 0xff, 0xff, 0xff) },
+ { },
+};
+
+static void mt7663u_stop(struct ieee80211_hw *hw)
+{
+ struct mt7615_phy *phy = mt7615_hw_phy(hw);
+ struct mt7615_dev *dev = hw->priv;
+
+ clear_bit(MT76_STATE_RUNNING, &dev->mphy.state);
+ del_timer_sync(&phy->roc_timer);
+ cancel_work_sync(&phy->roc_work);
+ cancel_delayed_work_sync(&phy->scan_work);
+ cancel_delayed_work_sync(&phy->mac_work);
+ mt76u_stop_tx(&dev->mt76);
+}
+
+static void mt7663u_cleanup(struct mt7615_dev *dev)
+{
+ clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+ mt76u_queues_deinit(&dev->mt76);
+}
+
+static void
+mt7663u_mac_write_txwi(struct mt7615_dev *dev, struct mt76_wcid *wcid,
+ enum mt76_txq_id qid, struct ieee80211_sta *sta,
+ struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ __le32 *txwi;
+ int pid;
+
+ if (!wcid)
+ wcid = &dev->mt76.global_wcid;
+
+ pid = mt76_tx_status_skb_add(&dev->mt76, wcid, skb);
+
+ txwi = (__le32 *)(skb->data - MT_USB_TXD_SIZE);
+ memset(txwi, 0, MT_USB_TXD_SIZE);
+ mt7615_mac_write_txwi(dev, txwi, skb, wcid, sta, pid, key, false);
+ skb_push(skb, MT_USB_TXD_SIZE);
+}
+
+static int
+__mt7663u_mac_set_rates(struct mt7615_dev *dev,
+ struct mt7615_wtbl_desc *wd)
+{
+ struct mt7615_rate_desc *rate = &wd->rate;
+ struct mt7615_sta *sta = wd->sta;
+ u32 w5, w27, addr, val;
+
+ lockdep_assert_held(&dev->mt76.mutex);
+
+ if (!sta)
+ return -EINVAL;
+
+ if (!mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000))
+ return -ETIMEDOUT;
+
+ addr = mt7615_mac_wtbl_addr(dev, sta->wcid.idx);
+
+ w27 = mt76_rr(dev, addr + 27 * 4);
+ w27 &= ~MT_WTBL_W27_CC_BW_SEL;
+ w27 |= FIELD_PREP(MT_WTBL_W27_CC_BW_SEL, rate->bw);
+
+ w5 = mt76_rr(dev, addr + 5 * 4);
+ w5 &= ~(MT_WTBL_W5_BW_CAP | MT_WTBL_W5_CHANGE_BW_RATE |
+ MT_WTBL_W5_MPDU_OK_COUNT |
+ MT_WTBL_W5_MPDU_FAIL_COUNT |
+ MT_WTBL_W5_RATE_IDX);
+ w5 |= FIELD_PREP(MT_WTBL_W5_BW_CAP, rate->bw) |
+ FIELD_PREP(MT_WTBL_W5_CHANGE_BW_RATE,
+ rate->bw_idx ? rate->bw_idx - 1 : 7);
+
+ mt76_wr(dev, MT_WTBL_RIUCR0, w5);
+
+ mt76_wr(dev, MT_WTBL_RIUCR1,
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE0, rate->probe_val) |
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE1, rate->val[0]) |
+ FIELD_PREP(MT_WTBL_RIUCR1_RATE2_LO, rate->val[1]));
+
+ mt76_wr(dev, MT_WTBL_RIUCR2,
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE2_HI, rate->val[1] >> 8) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE3, rate->val[1]) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE4, rate->val[2]) |
+ FIELD_PREP(MT_WTBL_RIUCR2_RATE5_LO, rate->val[2]));
+
+ mt76_wr(dev, MT_WTBL_RIUCR3,
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE5_HI, rate->val[2] >> 4) |
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE6, rate->val[3]) |
+ FIELD_PREP(MT_WTBL_RIUCR3_RATE7, rate->val[3]));
+
+ mt76_wr(dev, MT_WTBL_UPDATE,
+ FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, sta->wcid.idx) |
+ MT_WTBL_UPDATE_RATE_UPDATE |
+ MT_WTBL_UPDATE_TX_COUNT_CLEAR);
+
+ mt76_wr(dev, addr + 27 * 4, w27);
+
+ mt76_set(dev, MT_LPON_T0CR, MT_LPON_T0CR_MODE); /* TSF read */
+ val = mt76_rr(dev, MT_LPON_UTTR0);
+ sta->rate_set_tsf = (val & ~BIT(0)) | rate->rateset;
+
+ if (!(sta->wcid.tx_info & MT_WCID_TX_INFO_SET))
+ mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY, 0, 5000);
+
+ sta->rate_count = 2 * MT7615_RATE_RETRY * sta->n_rates;
+ sta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
+
+ return 0;
+}
+
+static int
+__mt7663u_mac_set_key(struct mt7615_dev *dev,
+ struct mt7615_wtbl_desc *wd)
+{
+ struct mt7615_key_desc *key = &wd->key;
+ struct mt7615_sta *sta = wd->sta;
+ enum mt7615_cipher_type cipher;
+ struct mt76_wcid *wcid;
+ int err;
+
+ lockdep_assert_held(&dev->mt76.mutex);
+
+ if (!sta)
+ return -EINVAL;
+
+ cipher = mt7615_mac_get_cipher(key->cipher);
+ if (cipher == MT_CIPHER_NONE)
+ return -EOPNOTSUPP;
+
+ wcid = &wd->sta->wcid;
+
+ mt7615_mac_wtbl_update_cipher(dev, wcid, cipher, key->cmd);
+ err = mt7615_mac_wtbl_update_key(dev, wcid, key->key, key->keylen,
+ cipher, key->cmd);
+ if (err < 0)
+ return err;
+
+ err = mt7615_mac_wtbl_update_pk(dev, wcid, cipher, key->keyidx,
+ key->cmd);
+ if (err < 0)
+ return err;
+
+ if (key->cmd == SET_KEY)
+ wcid->cipher |= BIT(cipher);
+ else
+ wcid->cipher &= ~BIT(cipher);
+
+ return 0;
+}
+
+void mt7663u_wtbl_work(struct work_struct *work)
+{
+ struct mt7615_wtbl_desc *wd, *wd_next;
+ struct mt7615_dev *dev;
+
+ dev = (struct mt7615_dev *)container_of(work, struct mt7615_dev,
+ wtbl_work);
+
+ list_for_each_entry_safe(wd, wd_next, &dev->wd_head, node) {
+ spin_lock_bh(&dev->mt76.lock);
+ list_del(&wd->node);
+ spin_unlock_bh(&dev->mt76.lock);
+
+ mutex_lock(&dev->mt76.mutex);
+ switch (wd->type) {
+ case MT7615_WTBL_RATE_DESC:
+ __mt7663u_mac_set_rates(dev, wd);
+ break;
+ case MT7615_WTBL_KEY_DESC:
+ __mt7663u_mac_set_key(dev, wd);
+ break;
+ }
+ mutex_unlock(&dev->mt76.mutex);
+
+ kfree(wd);
+ }
+}
+
+static void
+mt7663u_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+ struct mt76_queue_entry *e)
+{
+ skb_pull(e->skb, MT_USB_HDR_SIZE + MT_USB_TXD_SIZE);
+ mt76_tx_complete_skb(mdev, e->skb);
+}
+
+static int
+mt7663u_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+
+ if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) {
+ struct mt7615_sta *msta;
+
+ msta = container_of(wcid, struct mt7615_sta, wcid);
+ spin_lock_bh(&dev->mt76.lock);
+ mt7615_mac_set_rates(&dev->phy, msta, &info->control.rates[0],
+ msta->rates);
+ msta->rate_probe = true;
+ spin_unlock_bh(&dev->mt76.lock);
+ }
+ mt7663u_mac_write_txwi(dev, wcid, qid, sta, tx_info->skb);
+
+ return mt76u_skb_dma_info(tx_info->skb, tx_info->skb->len);
+}
+
+static bool mt7663u_tx_status_data(struct mt76_dev *mdev, u8 *update)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+
+ mutex_lock(&dev->mt76.mutex);
+ mt7615_mac_sta_poll(dev);
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static int mt7663u_probe(struct usb_interface *usb_intf,
+ const struct usb_device_id *id)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ .txwi_size = MT_USB_TXD_SIZE,
+ .drv_flags = MT_DRV_RX_DMA_HDR,
+ .tx_prepare_skb = mt7663u_tx_prepare_skb,
+ .tx_complete_skb = mt7663u_tx_complete_skb,
+ .tx_status_data = mt7663u_tx_status_data,
+ .rx_skb = mt7615_queue_rx_skb,
+ .sta_ps = mt7615_sta_ps,
+ .sta_add = mt7615_mac_sta_add,
+ .sta_remove = mt7615_mac_sta_remove,
+ .update_survey = mt7615_update_channel,
+ };
+ struct usb_device *udev = interface_to_usbdev(usb_intf);
+ struct ieee80211_ops *ops;
+ struct mt7615_dev *dev;
+ struct mt76_dev *mdev;
+ int ret;
+
+ ops = devm_kmemdup(&usb_intf->dev, &mt7615_ops, sizeof(mt7615_ops),
+ GFP_KERNEL);
+ if (!ops)
+ return -ENOMEM;
+
+ ops->stop = mt7663u_stop;
+
+ mdev = mt76_alloc_device(&usb_intf->dev, sizeof(*dev), ops, &drv_ops);
+ if (!mdev)
+ return -ENOMEM;
+
+ dev = container_of(mdev, struct mt7615_dev, mt76);
+ udev = usb_get_dev(udev);
+ usb_reset_device(udev);
+
+ usb_set_intfdata(usb_intf, dev);
+
+ dev->reg_map = mt7663u_reg_map;
+ dev->ops = ops;
+ ret = mt76u_init(mdev, usb_intf, true);
+ if (ret < 0)
+ goto error;
+
+ mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
+ (mt76_rr(dev, MT_HW_REV) & 0xff);
+ dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+
+ if (mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON,
+ FW_STATE_PWR_ON << 1, 500)) {
+ dev_dbg(dev->mt76.dev, "Usb device already powered on\n");
+ set_bit(MT76_STATE_POWER_OFF, &dev->mphy.state);
+ goto alloc_queues;
+ }
+
+ ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x0, 0x1, NULL, 0);
+ if (ret)
+ goto error;
+
+ if (!mt76_poll_msec(dev, MT_CONN_ON_MISC, MT_TOP_MISC2_FW_PWR_ON,
+ FW_STATE_PWR_ON << 1, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for power on\n");
+ return -EIO;
+ }
+
+alloc_queues:
+ ret = mt76u_alloc_mcu_queue(&dev->mt76);
+ if (ret)
+ goto error;
+
+ ret = mt76u_alloc_queues(&dev->mt76);
+ if (ret)
+ goto error;
+
+ ret = mt7663u_register_device(dev);
+ if (ret)
+ goto error_freeq;
+
+ return 0;
+
+error_freeq:
+ mt76u_queues_deinit(&dev->mt76);
+error:
+ mt76u_deinit(&dev->mt76);
+ usb_set_intfdata(usb_intf, NULL);
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+ ieee80211_free_hw(mdev->hw);
+
+ return ret;
+}
+
+static void mt7663u_disconnect(struct usb_interface *usb_intf)
+{
+ struct mt7615_dev *dev = usb_get_intfdata(usb_intf);
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+ return;
+
+ ieee80211_unregister_hw(dev->mt76.hw);
+ mt7663u_cleanup(dev);
+
+ usb_set_intfdata(usb_intf, NULL);
+ usb_put_dev(interface_to_usbdev(usb_intf));
+
+ mt76u_deinit(&dev->mt76);
+ ieee80211_free_hw(dev->mt76.hw);
+}
+
+#ifdef CONFIG_PM
+static int mt7663u_suspend(struct usb_interface *intf, pm_message_t state)
+{
+ struct mt7615_dev *dev = usb_get_intfdata(intf);
+
+ if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
+ mt7615_firmware_offload(dev)) {
+ int err;
+
+ err = mt7615_mcu_set_hif_suspend(dev, true);
+ if (err < 0)
+ return err;
+ }
+
+ mt76u_stop_rx(&dev->mt76);
+
+ mt76u_stop_tx(&dev->mt76);
+ tasklet_kill(&dev->mt76.tx_tasklet);
+
+ return 0;
+}
+
+static int mt7663u_resume(struct usb_interface *intf)
+{
+ struct mt7615_dev *dev = usb_get_intfdata(intf);
+ int err;
+
+ err = mt76u_vendor_request(&dev->mt76, MT_VEND_FEATURE_SET,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x5, 0x0, NULL, 0);
+ if (err)
+ return err;
+
+ err = mt76u_resume_rx(&dev->mt76);
+ if (err < 0)
+ return err;
+
+ if (!test_bit(MT76_STATE_SUSPEND, &dev->mphy.state) &&
+ mt7615_firmware_offload(dev))
+ err = mt7615_mcu_set_hif_suspend(dev, false);
+
+ return err;
+}
+#endif /* CONFIG_PM */
+
+MODULE_DEVICE_TABLE(usb, mt7615_device_table);
+MODULE_FIRMWARE(MT7663_OFFLOAD_FIRMWARE_N9);
+MODULE_FIRMWARE(MT7663_OFFLOAD_ROM_PATCH);
+MODULE_FIRMWARE(MT7663_FIRMWARE_N9);
+MODULE_FIRMWARE(MT7663_ROM_PATCH);
+
+static struct usb_driver mt7663u_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt7615_device_table,
+ .probe = mt7663u_probe,
+ .disconnect = mt7663u_disconnect,
+#ifdef CONFIG_PM
+ .suspend = mt7663u_suspend,
+ .resume = mt7663u_resume,
+ .reset_resume = mt7663u_resume,
+#endif /* CONFIG_PM */
+ .soft_unbind = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+module_usb_driver(mt7663u_driver);
+
+MODULE_AUTHOR("Sean Wang <sean.wang@mediatek.com>");
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
new file mode 100644
index 000000000000..1fbc9601391d
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb_init.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2019 MediaTek Inc.
+ *
+ * Author: Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
+ * Sean Wang <sean.wang@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "mt7615.h"
+#include "mac.h"
+#include "regs.h"
+
+static int mt7663u_dma_sched_init(struct mt7615_dev *dev)
+{
+ int i;
+
+ mt76_rmw(dev, MT_DMA_SHDL(MT_DMASHDL_PKT_MAX_SIZE),
+ MT_DMASHDL_PKT_MAX_SIZE_PLE | MT_DMASHDL_PKT_MAX_SIZE_PSE,
+ FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PLE, 1) |
+ FIELD_PREP(MT_DMASHDL_PKT_MAX_SIZE_PSE, 8));
+
+ /* disable refill group 5 - group 15 and raise group 2
+ * and 3 as high priority.
+ */
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_REFILL), 0xffe00006);
+ mt76_clear(dev, MT_DMA_SHDL(MT_DMASHDL_PAGE), BIT(16));
+
+ for (i = 0; i < 5; i++)
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_GROUP_QUOTA(i)),
+ FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MIN, 0x3) |
+ FIELD_PREP(MT_DMASHDL_GROUP_QUOTA_MAX, 0x1ff));
+
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(0)), 0x42104210);
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(1)), 0x42104210);
+
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_Q_MAP(2)), 0x4444);
+
+ /* group pririority from high to low:
+ * 15 (cmd groups) > 4 > 3 > 2 > 1 > 0.
+ */
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET0), 0x6501234f);
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_SCHED_SET1), 0xedcba987);
+ mt76_wr(dev, MT_DMA_SHDL(MT_DMASHDL_OPTIONAL), 0x7004801c);
+
+ mt76_wr(dev, MT_UDMA_WLCFG_1,
+ FIELD_PREP(MT_WL_TX_TMOUT_LMT, 80000) |
+ FIELD_PREP(MT_WL_RX_AGG_PKT_LMT, 1));
+
+ /* setup UDMA Rx Flush */
+ mt76_clear(dev, MT_UDMA_WLCFG_0, MT_WL_RX_FLUSH);
+ /* hif reset */
+ mt76_set(dev, MT_HIF_RST, MT_HIF_LOGIC_RST_N);
+
+ mt76_set(dev, MT_UDMA_WLCFG_0,
+ MT_WL_RX_AGG_EN | MT_WL_RX_EN | MT_WL_TX_EN |
+ MT_WL_RX_MPSZ_PAD0 | MT_TICK_1US_EN |
+ MT_WL_TX_TMOUT_FUNC_EN);
+ mt76_rmw(dev, MT_UDMA_WLCFG_0, MT_WL_RX_AGG_LMT | MT_WL_RX_AGG_TO,
+ FIELD_PREP(MT_WL_RX_AGG_LMT, 32) |
+ FIELD_PREP(MT_WL_RX_AGG_TO, 100));
+
+ return 0;
+}
+
+static int mt7663u_init_hardware(struct mt7615_dev *dev)
+{
+ int ret, idx;
+
+ ret = mt7615_eeprom_init(dev, MT_EFUSE_BASE);
+ if (ret < 0)
+ return ret;
+
+ ret = mt7663u_dma_sched_init(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+ /* Beacon and mgmt frames should occupy wcid 0 */
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
+ if (idx)
+ return -ENOSPC;
+
+ dev->mt76.global_wcid.idx = idx;
+ dev->mt76.global_wcid.hw_key_idx = -1;
+ rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+ return 0;
+}
+
+static void mt7663u_init_work(struct work_struct *work)
+{
+ struct mt7615_dev *dev;
+
+ dev = container_of(work, struct mt7615_dev, mcu_work);
+ if (mt7663u_mcu_init(dev))
+ return;
+
+ mt7615_mcu_set_eeprom(dev);
+ mt7615_mac_init(dev);
+ mt7615_phy_init(dev);
+ mt7615_mcu_del_wtbl_all(dev);
+ mt7615_check_offload_capability(dev);
+}
+
+int mt7663u_register_device(struct mt7615_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ int err;
+
+ INIT_WORK(&dev->wtbl_work, mt7663u_wtbl_work);
+ INIT_WORK(&dev->mcu_work, mt7663u_init_work);
+ INIT_LIST_HEAD(&dev->wd_head);
+ mt7615_init_device(dev);
+
+ err = mt7663u_init_hardware(dev);
+ if (err)
+ return err;
+
+ hw->extra_tx_headroom += MT_USB_HDR_SIZE + MT_USB_TXD_SIZE;
+ /* check hw sg support in order to enable AMSDU */
+ hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_HW_TXP_MAX_BUF_NUM : 1;
+
+ err = mt76_register_device(&dev->mt76, true, mt7615_rates,
+ ARRAY_SIZE(mt7615_rates));
+ if (err < 0)
+ return err;
+
+ if (!dev->mt76.usb.sg_en) {
+ struct ieee80211_sta_vht_cap *vht_cap;
+
+ /* decrease max A-MSDU size if SG is not supported */
+ vht_cap = &dev->mphy.sband_5g.sband.vht_cap;
+ vht_cap->cap &= ~IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
+ }
+
+ ieee80211_queue_work(hw, &dev->mcu_work);
+ mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
+ mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
+
+ return mt7615_init_debugfs(dev);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
new file mode 100644
index 000000000000..cd709fd617db
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2019 MediaTek Inc.
+ *
+ * Author: Felix Fietkau <nbd@nbd.name>
+ * Lorenzo Bianconi <lorenzo@kernel.org>
+ * Sean Wang <sean.wang@mediatek.com>
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include "mt7615.h"
+#include "mac.h"
+#include "mcu.h"
+#include "regs.h"
+
+static int
+mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, bool wait_resp)
+{
+ struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
+ int ret, seq, ep;
+
+ mutex_lock(&mdev->mcu.mutex);
+
+ mt7615_mcu_fill_msg(dev, skb, cmd, &seq);
+ if (cmd != MCU_CMD_FW_SCATTER)
+ ep = MT_EP_OUT_INBAND_CMD;
+ else
+ ep = MT_EP_OUT_AC_BE;
+
+ ret = mt76u_skb_dma_info(skb, skb->len);
+ if (ret < 0)
+ goto out;
+
+ ret = mt76u_bulk_msg(&dev->mt76, skb->data, skb->len, NULL,
+ 1000, ep);
+ dev_kfree_skb(skb);
+ if (ret < 0)
+ goto out;
+
+ if (wait_resp)
+ ret = mt7615_mcu_wait_response(dev, cmd, seq);
+
+out:
+ mutex_unlock(&mdev->mcu.mutex);
+
+ return ret;
+}
+
+int mt7663u_mcu_init(struct mt7615_dev *dev)
+{
+ static const struct mt76_mcu_ops mt7663u_mcu_ops = {
+ .headroom = MT_USB_HDR_SIZE + sizeof(struct mt7615_mcu_txd),
+ .tailroom = MT_USB_TAIL_SIZE,
+ .mcu_skb_send_msg = mt7663u_mcu_send_message,
+ .mcu_send_msg = mt7615_mcu_msg_send,
+ .mcu_restart = mt7615_mcu_restart,
+ };
+ int ret;
+
+ dev->mt76.mcu_ops = &mt7663u_mcu_ops,
+
+ mt76_set(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+
+ if (test_and_clear_bit(MT76_STATE_POWER_OFF, &dev->mphy.state)) {
+ mt7615_mcu_restart(&dev->mt76);
+ if (!mt76_poll_msec(dev, MT_CONN_ON_MISC,
+ MT_TOP_MISC2_FW_PWR_ON, 0, 500))
+ return -EIO;
+
+ ret = mt76u_vendor_request(&dev->mt76, MT_VEND_POWER_ON,
+ USB_DIR_OUT | USB_TYPE_VENDOR,
+ 0x0, 0x1, NULL, 0);
+ if (ret)
+ return ret;
+
+ if (!mt76_poll_msec(dev, MT_CONN_ON_MISC,
+ MT_TOP_MISC2_FW_PWR_ON,
+ FW_STATE_PWR_ON << 1, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for power on\n");
+ return -EIO;
+ }
+ }
+
+ ret = __mt7663_load_firmware(dev);
+ if (ret)
+ return ret;
+
+ mt76_clear(dev, MT_UDMA_TX_QSEL, MT_FW_DL_EN);
+ set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+
+ return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
index 57f8d56737eb..dc8bf4c6969a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
@@ -12,24 +12,6 @@
#include "initvals.h"
#include "../mt76x02_phy.h"
-static void mt76x0_vht_cap_mask(struct ieee80211_supported_band *sband)
-{
- struct ieee80211_sta_vht_cap *vht_cap = &sband->vht_cap;
- u16 mcs_map = 0;
- int i;
-
- vht_cap->cap &= ~IEEE80211_VHT_CAP_RXLDPC;
- for (i = 0; i < 8; i++) {
- if (!i)
- mcs_map |= (IEEE80211_VHT_MCS_SUPPORT_0_7 << (i * 2));
- else
- mcs_map |=
- (IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2));
- }
- vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
- vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
-}
-
static void
mt76x0_set_wlan_state(struct mt76x02_dev *dev, u32 val, bool enable)
{
@@ -263,9 +245,11 @@ int mt76x0_register_device(struct mt76x02_dev *dev)
return ret;
if (dev->mt76.cap.has_5ghz) {
- /* overwrite unsupported features */
- mt76x0_vht_cap_mask(&dev->mphy.sband_5g.sband);
- mt76x0_init_txpower(dev, &dev->mphy.sband_5g.sband);
+ struct ieee80211_supported_band *sband;
+
+ sband = &dev->mphy.sband_5g.sband;
+ sband->vht_cap.cap &= ~IEEE80211_VHT_CAP_RXLDPC;
+ mt76x0_init_txpower(dev, sband);
}
if (dev->mt76.cap.has_2ghz)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
index 0b520ae08d01..f7ec3400e368 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c
@@ -29,6 +29,7 @@ static void mt76x0e_stop_hw(struct mt76x02_dev *dev)
{
cancel_delayed_work_sync(&dev->cal_work);
cancel_delayed_work_sync(&dev->mt76.mac_work);
+ clear_bit(MT76_RESTART, &dev->mphy.state);
if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY,
0, 1000))
@@ -83,6 +84,7 @@ static const struct ieee80211_ops mt76x0e_ops = {
.set_coverage_class = mt76x02_set_coverage_class,
.set_rts_threshold = mt76x02_set_rts_threshold,
.get_antenna = mt76_get_antenna,
+ .reconfig_complete = mt76x02_reconfig_complete,
};
static int mt76x0e_register_device(struct mt76x02_dev *dev)
@@ -216,6 +218,7 @@ mt76x0e_remove(struct pci_dev *pdev)
}
static const struct pci_device_id mt76x0e_device_table[] = {
+ { PCI_DEVICE(0x14c3, 0x7610) },
{ PCI_DEVICE(0x14c3, 0x7630) },
{ PCI_DEVICE(0x14c3, 0x7650) },
{ },
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02.h b/drivers/net/wireless/mediatek/mt76/mt76x02.h
index 23040c193ca5..4c9bbc7ce023 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02.h
@@ -15,6 +15,7 @@
#include "mt76x02_dfs.h"
#include "mt76x02_dma.h"
+#define MT76x02_N_WCIDS 128
#define MT_CALIBRATE_INTERVAL HZ
#define MT_MAC_WORK_INTERVAL (HZ / 10)
@@ -187,6 +188,8 @@ void mt76x02_sta_ps(struct mt76_dev *dev, struct ieee80211_sta *sta, bool ps);
void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info, u32 changed);
+void mt76x02_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type);
struct beacon_bc_data {
struct mt76x02_dev *dev;
@@ -216,6 +219,7 @@ static inline bool is_mt76x0(struct mt76x02_dev *dev)
static inline bool is_mt76x2(struct mt76x02_dev *dev)
{
return mt76_chip(&dev->mt76) == 0x7612 ||
+ mt76_chip(&dev->mt76) == 0x7632 ||
mt76_chip(&dev->mt76) == 0x7662 ||
mt76_chip(&dev->mt76) == 0x7602;
}
@@ -243,7 +247,7 @@ mt76x02_rx_get_sta(struct mt76_dev *dev, u8 idx)
{
struct mt76_wcid *wcid;
- if (idx >= ARRAY_SIZE(dev->wcid))
+ if (idx >= MT76x02_N_WCIDS)
return NULL;
wcid = rcu_dereference(dev->wcid[idx]);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
index 68b40d63a46d..ff448a1ad4e3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
@@ -144,7 +144,7 @@ void mt76x02_init_debugfs(struct mt76x02_dev *dev)
if (!dir)
return;
- debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+ debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
mt76_queues_read);
debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
index 8b072277ea10..e4e03beabe43 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
@@ -409,6 +409,7 @@ void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi,
txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ;
if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) {
u8 ba_size = IEEE80211_MIN_AMPDU_BUF;
+ u8 ampdu_density = sta->ht_cap.ampdu_density;
ba_size <<= sta->ht_cap.ampdu_factor;
ba_size = min_t(int, 63, ba_size - 1);
@@ -416,9 +417,11 @@ void mt76x02_mac_write_txwi(struct mt76x02_dev *dev, struct mt76x02_txwi *txwi,
ba_size = 0;
txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size);
+ if (ampdu_density < IEEE80211_HT_MPDU_DENSITY_4)
+ ampdu_density = IEEE80211_HT_MPDU_DENSITY_4;
+
txwi_flags |= MT_TXWI_FLAGS_AMPDU |
- FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY,
- sta->ht_cap.ampdu_density);
+ FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY, ampdu_density);
}
if (ieee80211_is_probe_resp(hdr->frame_control) ||
@@ -558,7 +561,7 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
rcu_read_lock();
- if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid))
+ if (stat->wcid < MT76x02_N_WCIDS)
wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]);
if (wcid && wcid->sta) {
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
index 5664749ad6c1..267058086a90 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.c
@@ -20,7 +20,10 @@ int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
int ret;
u8 seq;
- skb = mt76x02_mcu_msg_alloc(data, len);
+ if (dev->mcu_timeout)
+ return -EIO;
+
+ skb = mt76_mcu_msg_alloc(mdev, data, len);
if (!skb)
return -ENOMEM;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
index c81a9655c4c9..5fba1266c648 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mcu.h
@@ -85,12 +85,6 @@ struct mt76x02_patch_header {
u8 pad[2];
};
-static inline struct sk_buff *
-mt76x02_mcu_msg_alloc(const void *data, int len)
-{
- return mt76_mcu_msg_alloc(data, 0, len, 0);
-}
-
int mt76x02_mcu_cleanup(struct mt76x02_dev *dev);
int mt76x02_mcu_calibrate(struct mt76x02_dev *dev, int type, u32 param);
int mt76x02_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
index 7dcc5d342e9f..cbbe986655fe 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mmio.c
@@ -415,7 +415,7 @@ static void mt76x02_reset_state(struct mt76x02_dev *dev)
ieee80211_iter_keys_rcu(dev->mt76.hw, NULL, mt76x02_key_sync, NULL);
rcu_read_unlock();
- for (i = 0; i < ARRAY_SIZE(dev->mt76.wcid); i++) {
+ for (i = 0; i < MT76x02_N_WCIDS; i++) {
struct ieee80211_sta *sta;
struct ieee80211_vif *vif;
struct mt76x02_sta *msta;
@@ -489,8 +489,9 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)
for (i = 0; i < __MT_TXQ_MAX; i++)
mt76_queue_tx_cleanup(dev, i, true);
- for (i = 0; i < ARRAY_SIZE(dev->mt76.q_rx); i++)
+ mt76_for_each_q_rx(&dev->mt76, i) {
mt76_queue_rx_reset(dev, i);
+ }
mt76x02_mac_start(dev);
@@ -520,6 +521,7 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)
}
if (restart) {
+ set_bit(MT76_RESTART, &dev->mphy.state);
mt76x02_mcu_function_select(dev, Q_SELECT, 1);
ieee80211_restart_hw(dev->mt76.hw);
} else {
@@ -528,8 +530,23 @@ static void mt76x02_watchdog_reset(struct mt76x02_dev *dev)
}
}
+void mt76x02_reconfig_complete(struct ieee80211_hw *hw,
+ enum ieee80211_reconfig_type reconfig_type)
+{
+ struct mt76x02_dev *dev = hw->priv;
+
+ if (reconfig_type != IEEE80211_RECONFIG_TYPE_RESTART)
+ return;
+
+ clear_bit(MT76_RESTART, &dev->mphy.state);
+}
+EXPORT_SYMBOL_GPL(mt76x02_reconfig_complete);
+
static void mt76x02_check_tx_hang(struct mt76x02_dev *dev)
{
+ if (test_bit(MT76_RESTART, &dev->mphy.state))
+ return;
+
if (mt76x02_tx_hang(dev)) {
if (++dev->tx_hang_check >= MT_TX_HANG_TH)
goto restart;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
index 843b86560ed4..a30bb536fc8a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_mcu.c
@@ -123,7 +123,7 @@ mt76x02u_mcu_send_msg(struct mt76_dev *dev, int cmd, const void *data,
struct sk_buff *skb;
int err;
- skb = mt76_mcu_msg_alloc(data, MT_CMD_HDR_LEN, len, 8);
+ skb = mt76_mcu_msg_alloc(dev, data, len);
if (!skb)
return -ENOMEM;
@@ -291,6 +291,8 @@ EXPORT_SYMBOL_GPL(mt76x02u_mcu_fw_send_data);
void mt76x02u_init_mcu(struct mt76_dev *dev)
{
static const struct mt76_mcu_ops mt76x02u_mcu_ops = {
+ .headroom = MT_CMD_HDR_LEN,
+ .tailroom = 8,
.mcu_send_msg = mt76x02u_mcu_send_msg,
.mcu_wr_rp = mt76x02u_mcu_wr_rp,
.mcu_rd_rp = mt76x02u_mcu_rd_rp,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
index b7a120b0856d..44822a849eb1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_util.c
@@ -46,6 +46,8 @@ static const struct ieee80211_iface_limit mt76x02_if_limits[] = {
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP)
},
};
@@ -60,6 +62,8 @@ static const struct ieee80211_iface_limit mt76x02u_if_limits[] = {
#ifdef CONFIG_MAC80211_MESH
BIT(NL80211_IFTYPE_MESH_POINT) |
#endif
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO) |
BIT(NL80211_IFTYPE_AP)
},
};
@@ -245,7 +249,7 @@ int mt76x02_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
memset(msta, 0, sizeof(*msta));
- idx = mt76_wcid_alloc(dev->mt76.wcid_mask, ARRAY_SIZE(dev->mt76.wcid));
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT76x02_N_WCIDS);
if (idx < 0)
return -ENOSPC;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c
index 4a748a6f0ce2..410ffce3baff 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/eeprom.c
@@ -4,6 +4,7 @@
*/
#include <linux/module.h>
+#include <linux/of.h>
#include <asm/unaligned.h>
#include "mt76x2.h"
#include "eeprom.h"
@@ -76,6 +77,7 @@ mt76x2_apply_cal_free_data(struct mt76x02_dev *dev, u8 *efuse)
MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN,
MT_EE_RF_5G_GRP4_5_RX_HIGH_GAIN + 1,
};
+ struct device_node *np = dev->mt76.dev->of_node;
u8 *eeprom = dev->mt76.eeprom.data;
u8 prev_grp0[4] = {
eeprom[MT_EE_TX_POWER_0_START_5G],
@@ -86,6 +88,9 @@ mt76x2_apply_cal_free_data(struct mt76x02_dev *dev, u8 *efuse)
u16 val;
int i;
+ if (!np || !of_property_read_bool(np, "mediatek,eeprom-merge-otp"))
+ return;
+
if (!mt76x2_has_cal_free_data(dev, efuse))
return;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
index c69579e5f647..f27774f57438 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c
@@ -256,6 +256,7 @@ void mt76x2_stop_hardware(struct mt76x02_dev *dev)
cancel_delayed_work_sync(&dev->cal_work);
cancel_delayed_work_sync(&dev->mt76.mac_work);
cancel_delayed_work_sync(&dev->wdt_work);
+ clear_bit(MT76_RESTART, &dev->mphy.state);
mt76x02_mcu_set_radio_state(dev, false);
mt76x2_mac_stop(dev, false);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
index 105e5b99b3f9..98f4cf398320 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c
@@ -10,12 +10,9 @@ static int
mt76x2_start(struct ieee80211_hw *hw)
{
struct mt76x02_dev *dev = hw->priv;
- int ret;
mt76x02_mac_start(dev);
- ret = mt76x2_phy_start(dev);
- if (ret)
- return ret;
+ mt76x2_phy_start(dev);
ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mt76.mac_work,
MT_MAC_WORK_INTERVAL);
@@ -35,11 +32,9 @@ mt76x2_stop(struct ieee80211_hw *hw)
mt76x2_stop_hardware(dev);
}
-static int
+static void
mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
{
- int ret;
-
cancel_delayed_work_sync(&dev->cal_work);
tasklet_disable(&dev->mt76.pre_tbtt_tasklet);
tasklet_disable(&dev->dfs_pd.dfs_tasklet);
@@ -50,7 +45,7 @@ mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
mt76_set_channel(&dev->mphy);
mt76x2_mac_stop(dev, true);
- ret = mt76x2_phy_set_channel(dev, chandef);
+ mt76x2_phy_set_channel(dev, chandef);
mt76x02_mac_cc_reset(dev);
mt76x02_dfs_init_params(dev);
@@ -64,15 +59,12 @@ mt76x2_set_channel(struct mt76x02_dev *dev, struct cfg80211_chan_def *chandef)
tasklet_enable(&dev->mt76.pre_tbtt_tasklet);
mt76_txq_schedule_all(&dev->mphy);
-
- return ret;
}
static int
mt76x2_config(struct ieee80211_hw *hw, u32 changed)
{
struct mt76x02_dev *dev = hw->priv;
- int ret = 0;
mutex_lock(&dev->mt76.mutex);
@@ -101,11 +93,11 @@ mt76x2_config(struct ieee80211_hw *hw, u32 changed)
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
ieee80211_stop_queues(hw);
- ret = mt76x2_set_channel(dev, &hw->conf.chandef);
+ mt76x2_set_channel(dev, &hw->conf.chandef);
ieee80211_wake_queues(hw);
}
- return ret;
+ return 0;
}
static void
@@ -127,7 +119,7 @@ static int mt76x2_set_antenna(struct ieee80211_hw *hw, u32 tx_ant,
dev->chainmask = (tx_ant == 3) ? 0x202 : 0x101;
dev->mphy.antenna_mask = tx_ant;
- mt76_set_stream_caps(&dev->mt76, true);
+ mt76_set_stream_caps(&dev->mphy, true);
mt76x2_phy_set_antenna(dev);
mutex_unlock(&dev->mt76.mutex);
@@ -162,5 +154,6 @@ const struct ieee80211_ops mt76x2_ops = {
.set_antenna = mt76x2_set_antenna,
.get_antenna = mt76_get_antenna,
.set_rts_threshold = mt76x02_set_rts_threshold,
+ .reconfig_complete = mt76x02_reconfig_complete,
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
index eafa283ca699..3a4e41724af1 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb.c
@@ -16,8 +16,10 @@ static const struct usb_device_id mt76x2u_device_table[] = {
{ USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USBAC1200 - Alfa AWUS036ACM */
{ USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */
{ USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */
+ { USB_DEVICE(0x2c4e, 0x0103) }, /* Mercury UD13 */
{ USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */
{ USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */
+ { USB_DEVICE(0x045e, 0x02fe) }, /* XBox One Wireless Adapter */
{ },
};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig
new file mode 100644
index 000000000000..d98225da694c
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/Kconfig
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: ISC
+config MT7915E
+ tristate "MediaTek MT7915E (PCIe) support"
+ select MT76_CORE
+ depends on MAC80211
+ depends on PCI
+ help
+ This adds support for MT7915-based wireless PCIe devices,
+ which support concurrent dual-band operation at both 5GHz
+ and 2.4GHz IEEE 802.11ax 4x4:4SS 1024-QAM, 160MHz channels,
+ OFDMA, spatial reuse and dual carrier modulation.
+
+ To compile this driver as a module, choose M here.
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/Makefile b/drivers/net/wireless/mediatek/mt76/mt7915/Makefile
new file mode 100644
index 000000000000..57fe726cc38b
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/Makefile
@@ -0,0 +1,6 @@
+#SPDX-License-Identifier: ISC
+
+obj-$(CONFIG_MT7915E) += mt7915e.o
+
+mt7915e-y := pci.o init.o dma.o eeprom.o main.o mcu.o mac.o \
+ debugfs.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
new file mode 100644
index 000000000000..5278bee812f1
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -0,0 +1,463 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "eeprom.h"
+
+/** global debugfs **/
+
+/* test knob of system layer 1/2 error recovery */
+static int mt7915_ser_trigger_set(void *data, u64 val)
+{
+ enum {
+ SER_SET_RECOVER_L1 = 1,
+ SER_SET_RECOVER_L2,
+ SER_ENABLE = 2,
+ SER_RECOVER
+ };
+ struct mt7915_dev *dev = data;
+ int ret = 0;
+
+ switch (val) {
+ case SER_SET_RECOVER_L1:
+ case SER_SET_RECOVER_L2:
+ /* fall through */
+ ret = mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
+ if (ret)
+ return ret;
+
+ return mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_ser_trigger, NULL,
+ mt7915_ser_trigger_set, "%lld\n");
+
+static int
+mt7915_radar_trigger(void *data, u64 val)
+{
+ struct mt7915_dev *dev = data;
+
+ return mt7915_mcu_rdd_cmd(dev, RDD_RADAR_EMULATE, 1, 0, 0);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_trigger, NULL,
+ mt7915_radar_trigger, "%lld\n");
+
+static int
+mt7915_dbdc_set(void *data, u64 val)
+{
+ struct mt7915_dev *dev = data;
+
+ if (val)
+ mt7915_register_ext_phy(dev);
+ else
+ mt7915_unregister_ext_phy(dev);
+
+ return 0;
+}
+
+static int
+mt7915_dbdc_get(void *data, u64 *val)
+{
+ struct mt7915_dev *dev = data;
+
+ *val = !!mt7915_ext_phy(dev);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_dbdc, mt7915_dbdc_get,
+ mt7915_dbdc_set, "%lld\n");
+
+static int
+mt7915_fw_debug_set(void *data, u64 val)
+{
+ struct mt7915_dev *dev = data;
+ enum {
+ DEBUG_TXCMD = 62,
+ DEBUG_CMD_RPT_TX,
+ DEBUG_CMD_RPT_TRIG,
+ DEBUG_SPL,
+ DEBUG_RPT_RX,
+ } debug;
+
+ dev->fw_debug = !!val;
+
+ mt7915_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);
+
+ for (debug = DEBUG_TXCMD; debug <= DEBUG_RPT_RX; debug++)
+ mt7915_mcu_fw_dbg_ctrl(dev, debug, dev->fw_debug);
+
+ return 0;
+}
+
+static int
+mt7915_fw_debug_get(void *data, u64 *val)
+{
+ struct mt7915_dev *dev = data;
+
+ *val = dev->fw_debug;
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7915_fw_debug_get,
+ mt7915_fw_debug_set, "%lld\n");
+
+static void
+mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
+ struct seq_file *file)
+{
+ struct mt7915_dev *dev = file->private;
+ bool ext_phy = phy != &dev->phy;
+ int bound[15], range[4], i, n;
+
+ if (!phy)
+ return;
+
+ /* Tx ampdu stat */
+ for (i = 0; i < ARRAY_SIZE(range); i++)
+ range[i] = mt76_rr(dev, MT_MIB_ARNG(ext_phy, i));
+
+ for (i = 0; i < ARRAY_SIZE(bound); i++)
+ bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1;
+
+ seq_printf(file, "\nPhy %d\n", ext_phy);
+
+ seq_printf(file, "Length: %8d | ", bound[0]);
+ for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
+ seq_printf(file, "%3d -%3d | ",
+ bound[i] + 1, bound[i + 1]);
+
+ seq_puts(file, "\nCount: ");
+ n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+ for (i = 0; i < ARRAY_SIZE(bound); i++)
+ seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + n]);
+ seq_puts(file, "\n");
+
+ seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
+}
+
+static void
+mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
+{
+ struct mt7915_dev *dev = s->private;
+ bool ext_phy = phy != &dev->phy;
+ int cnt;
+
+ if (!phy)
+ return;
+
+ /* Tx Beamformer monitor */
+ seq_puts(s, "\nTx Beamformer applied PPDU counts: ");
+
+ cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy));
+ seq_printf(s, "iBF: %ld, eBF: %ld\n",
+ FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt),
+ FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt));
+
+ /* Tx Beamformer Rx feedback monitor */
+ seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
+
+ cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy));
+ seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld\n",
+ FIELD_GET(MT_ETBF_RX_FB_ALL, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_HE, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_VHT, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_HT, cnt));
+
+ /* Tx Beamformee Rx NDPA & Tx feedback report */
+ cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy));
+ seq_printf(s, "Tx Beamformee successful feedback frames: %ld\n",
+ FIELD_GET(MT_ETBF_TX_FB_CPL, cnt));
+ seq_printf(s, "Tx Beamformee feedback triggered counts: %ld\n",
+ FIELD_GET(MT_ETBF_TX_FB_TRI, cnt));
+
+ /* Tx SU counters */
+ cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
+ seq_printf(s, "Tx single-user successful MPDU counts: %d\n", cnt);
+
+ seq_puts(s, "\n");
+}
+
+static int
+mt7915_tx_stats_read(struct seq_file *file, void *data)
+{
+ struct mt7915_dev *dev = file->private;
+ int stat[8], i, n;
+
+ mt7915_ampdu_stat_read_phy(&dev->phy, file);
+ mt7915_txbf_stat_read_phy(&dev->phy, file);
+
+ mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file);
+ mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file);
+
+ /* Tx amsdu info */
+ seq_puts(file, "Tx MSDU stat:\n");
+ for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) {
+ stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
+ n += stat[i];
+ }
+
+ for (i = 0; i < ARRAY_SIZE(stat); i++) {
+ seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ",
+ i + 1, stat[i]);
+ if (n != 0)
+ seq_printf(file, "(%d%%)\n", stat[i] * 100 / n);
+ else
+ seq_puts(file, "\n");
+ }
+
+ return 0;
+}
+
+static int
+mt7915_tx_stats_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, mt7915_tx_stats_read, inode->i_private);
+}
+
+static const struct file_operations fops_tx_stats = {
+ .open = mt7915_tx_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int mt7915_read_temperature(struct seq_file *s, void *data)
+{
+ struct mt7915_dev *dev = dev_get_drvdata(s->private);
+ int temp;
+
+ /* cpu */
+ temp = mt7915_mcu_get_temperature(dev, 0);
+ seq_printf(s, "Temperature: %d\n", temp);
+
+ return 0;
+}
+
+static int
+mt7915_queues_acq(struct seq_file *s, void *data)
+{
+ struct mt7915_dev *dev = dev_get_drvdata(s->private);
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ int j, acs = i / 4, index = i % 4;
+ u32 ctrl, val, qlen = 0;
+
+ val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
+ ctrl = BIT(31) | BIT(15) | (acs << 8);
+
+ for (j = 0; j < 32; j++) {
+ if (val & BIT(j))
+ continue;
+
+ mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
+ ctrl | (j + (index << 5)));
+ qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
+ GENMASK(11, 0));
+ }
+ seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
+ }
+
+ return 0;
+}
+
+static int
+mt7915_queues_read(struct seq_file *s, void *data)
+{
+ struct mt7915_dev *dev = dev_get_drvdata(s->private);
+ static const struct {
+ char *queue;
+ int id;
+ } queue_map[] = {
+ { "WFDMA0", MT_TXQ_BE },
+ { "MCUWM", MT_TXQ_MCU },
+ { "MCUWA", MT_TXQ_MCU_WA },
+ { "MCUFWQ", MT_TXQ_FWDL },
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
+ struct mt76_sw_queue *q = &dev->mt76.q_tx[queue_map[i].id];
+
+ if (!q->q)
+ continue;
+
+ seq_printf(s,
+ "%s: queued=%d head=%d tail=%d\n",
+ queue_map[i].queue, q->q->queued, q->q->head,
+ q->q->tail);
+ }
+
+ return 0;
+}
+
+static void
+mt7915_puts_rate_txpower(struct seq_file *s, s8 *delta,
+ s8 txpower_cur, int band)
+{
+ static const char * const sku_group_name[] = {
+ "CCK", "OFDM", "HT20", "HT40",
+ "VHT20", "VHT40", "VHT80", "VHT160",
+ "RU26", "RU52", "RU106", "RU242/SU20",
+ "RU484/SU40", "RU996/SU80", "RU2x996/SU160"
+ };
+ s8 txpower[MT7915_SKU_RATE_NUM];
+ int i, idx = 0;
+
+ for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
+ txpower[i] = DIV_ROUND_UP(txpower_cur + delta[i], 2);
+
+ for (i = 0; i < MAX_SKU_RATE_GROUP_NUM; i++) {
+ const struct sku_group *sku = &mt7915_sku_groups[i];
+ u32 offset = sku->offset[band];
+
+ if (!offset) {
+ idx += sku->len;
+ continue;
+ }
+
+ mt76_seq_puts_array(s, sku_group_name[i],
+ txpower + idx, sku->len);
+ idx += sku->len;
+ }
+}
+
+static int
+mt7915_read_rate_txpower(struct seq_file *s, void *data)
+{
+ struct mt7915_dev *dev = dev_get_drvdata(s->private);
+ struct mt76_phy *mphy = &dev->mphy;
+ enum nl80211_band band = mphy->chandef.chan->band;
+ s8 *delta = dev->rate_power[band];
+ s8 txpower_base = mphy->txpower_cur - delta[MT7915_SKU_MAX_DELTA_IDX];
+
+ seq_puts(s, "Band 0:\n");
+ mt7915_puts_rate_txpower(s, delta, txpower_base, band);
+
+ if (dev->mt76.phy2) {
+ mphy = dev->mt76.phy2;
+ band = mphy->chandef.chan->band;
+ delta = dev->rate_power[band];
+ txpower_base = mphy->txpower_cur -
+ delta[MT7915_SKU_MAX_DELTA_IDX];
+
+ seq_puts(s, "Band 1:\n");
+ mt7915_puts_rate_txpower(s, delta, txpower_base, band);
+ }
+
+ return 0;
+}
+
+int mt7915_init_debugfs(struct mt7915_dev *dev)
+{
+ struct dentry *dir;
+
+ dir = mt76_register_debugfs(&dev->mt76);
+ if (!dir)
+ return -ENOMEM;
+
+ debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
+ mt7915_queues_read);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
+ mt7915_queues_acq);
+ debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);
+ debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
+ debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
+ debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);
+ /* test knobs */
+ debugfs_create_file("radar_trigger", 0200, dir, dev,
+ &fops_radar_trigger);
+ debugfs_create_file("ser_trigger", 0200, dir, dev, &fops_ser_trigger);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "temperature", dir,
+ mt7915_read_temperature);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir,
+ mt7915_read_rate_txpower);
+
+ return 0;
+}
+
+/** per-station debugfs **/
+
+/* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */
+static int mt7915_sta_fixed_rate_set(void *data, u64 rate)
+{
+ struct ieee80211_sta *sta = data;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+ return mt7915_mcu_set_fixed_rate(msta->vif->dev, sta, rate);
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_fixed_rate, NULL,
+ mt7915_sta_fixed_rate_set, "%llx\n");
+
+static int
+mt7915_sta_stats_read(struct seq_file *s, void *data)
+{
+ struct ieee80211_sta *sta = s->private;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_sta_stats *stats = &msta->stats;
+ struct rate_info *rate = &stats->prob_rate;
+ static const char * const bw[] = {
+ "BW20", "BW5", "BW10", "BW40",
+ "BW80", "BW160", "BW_HE_RU"
+ };
+
+ if (!rate->legacy && !rate->flags)
+ return 0;
+
+ seq_puts(s, "Probing rate - ");
+ if (rate->flags & RATE_INFO_FLAGS_MCS)
+ seq_puts(s, "HT ");
+ else if (rate->flags & RATE_INFO_FLAGS_VHT_MCS)
+ seq_puts(s, "VHT ");
+ else if (rate->flags & RATE_INFO_FLAGS_HE_MCS)
+ seq_puts(s, "HE ");
+ else
+ seq_printf(s, "Bitrate %d\n", rate->legacy);
+
+ if (rate->flags) {
+ seq_printf(s, "%s NSS%d MCS%d ",
+ bw[rate->bw], rate->nss, rate->mcs);
+
+ if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ seq_puts(s, "SGI ");
+ else if (rate->he_gi)
+ seq_puts(s, "HE GI ");
+
+ if (rate->he_dcm)
+ seq_puts(s, "DCM ");
+ }
+
+ seq_printf(s, "\nPPDU PER: %ld.%1ld%%\n",
+ stats->per / 10, stats->per % 10);
+
+ return 0;
+}
+
+static int
+mt7915_sta_stats_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, mt7915_sta_stats_read, inode->i_private);
+}
+
+static const struct file_operations fops_sta_stats = {
+ .open = mt7915_sta_stats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, struct dentry *dir)
+{
+ debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
+ debugfs_create_file("stats", 0400, dir, sta, &fops_sta_stats);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/dma.c b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
new file mode 100644
index 000000000000..766185d1aa21
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/dma.c
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "../dma.h"
+#include "mac.h"
+
+static int
+mt7915_init_tx_queues(struct mt7915_dev *dev, int n_desc)
+{
+ struct mt76_sw_queue *q;
+ struct mt76_queue *hwq;
+ int err, i;
+
+ hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL);
+ if (!hwq)
+ return -ENOMEM;
+
+ err = mt76_queue_alloc(dev, hwq, MT7915_TXQ_BAND0, n_desc, 0,
+ MT_TX_RING_BASE);
+ if (err < 0)
+ return err;
+
+ for (i = 0; i < MT_TXQ_MCU; i++) {
+ q = &dev->mt76.q_tx[i];
+ INIT_LIST_HEAD(&q->swq);
+ q->q = hwq;
+ }
+
+ return 0;
+}
+
+static int
+mt7915_init_mcu_queue(struct mt7915_dev *dev, struct mt76_sw_queue *q,
+ int idx, int n_desc)
+{
+ struct mt76_queue *hwq;
+ int err;
+
+ hwq = devm_kzalloc(dev->mt76.dev, sizeof(*hwq), GFP_KERNEL);
+ if (!hwq)
+ return -ENOMEM;
+
+ err = mt76_queue_alloc(dev, hwq, idx, n_desc, 0, MT_TX_RING_BASE);
+ if (err < 0)
+ return err;
+
+ INIT_LIST_HEAD(&q->swq);
+ q->q = hwq;
+
+ return 0;
+}
+
+void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ __le32 *rxd = (__le32 *)skb->data;
+ enum rx_pkt_type type;
+
+ type = FIELD_GET(MT_RXD0_PKT_TYPE, le32_to_cpu(rxd[0]));
+
+ switch (type) {
+ case PKT_TYPE_TXRX_NOTIFY:
+ mt7915_mac_tx_free(dev, skb);
+ break;
+ case PKT_TYPE_RX_EVENT:
+ mt7915_mcu_rx_event(dev, skb);
+ break;
+ case PKT_TYPE_NORMAL:
+ if (!mt7915_mac_fill_rx(dev, skb)) {
+ mt76_rx(&dev->mt76, q, skb);
+ return;
+ }
+ /* fall through */
+ default:
+ dev_kfree_skb(skb);
+ break;
+ }
+}
+
+static int mt7915_poll_tx(struct napi_struct *napi, int budget)
+{
+ static const u8 queue_map[] = {
+ MT_TXQ_MCU,
+ MT_TXQ_MCU_WA,
+ MT_TXQ_BE
+ };
+ struct mt7915_dev *dev;
+ int i;
+
+ dev = container_of(napi, struct mt7915_dev, mt76.tx_napi);
+
+ for (i = 0; i < ARRAY_SIZE(queue_map); i++)
+ mt76_queue_tx_cleanup(dev, queue_map[i], false);
+
+ if (napi_complete_done(napi, 0))
+ mt7915_irq_enable(dev, MT_INT_TX_DONE_ALL);
+
+ for (i = 0; i < ARRAY_SIZE(queue_map); i++)
+ mt76_queue_tx_cleanup(dev, queue_map[i], false);
+
+ mt7915_mac_sta_poll(dev);
+
+ tasklet_schedule(&dev->mt76.tx_tasklet);
+
+ return 0;
+}
+
+void mt7915_dma_prefetch(struct mt7915_dev *dev)
+{
+#define PREFETCH(base, depth) ((base) << 16 | (depth))
+
+ mt76_wr(dev, MT_WFDMA0_RX_RING0_EXT_CTRL, PREFETCH(0x0, 0x4));
+ mt76_wr(dev, MT_WFDMA0_RX_RING1_EXT_CTRL, PREFETCH(0x40, 0x4));
+ mt76_wr(dev, MT_WFDMA0_RX_RING2_EXT_CTRL, PREFETCH(0x80, 0x0));
+
+ mt76_wr(dev, MT_WFDMA1_TX_RING0_EXT_CTRL, PREFETCH(0x80, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING1_EXT_CTRL, PREFETCH(0xc0, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING2_EXT_CTRL, PREFETCH(0x100, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING3_EXT_CTRL, PREFETCH(0x140, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING4_EXT_CTRL, PREFETCH(0x180, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING5_EXT_CTRL, PREFETCH(0x1c0, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING6_EXT_CTRL, PREFETCH(0x200, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING7_EXT_CTRL, PREFETCH(0x240, 0x4));
+
+ mt76_wr(dev, MT_WFDMA1_TX_RING16_EXT_CTRL, PREFETCH(0x280, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING17_EXT_CTRL, PREFETCH(0x2c0, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING18_EXT_CTRL, PREFETCH(0x300, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING19_EXT_CTRL, PREFETCH(0x340, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING20_EXT_CTRL, PREFETCH(0x380, 0x4));
+ mt76_wr(dev, MT_WFDMA1_TX_RING21_EXT_CTRL, PREFETCH(0x3c0, 0x0));
+
+ mt76_wr(dev, MT_WFDMA1_RX_RING0_EXT_CTRL, PREFETCH(0x3c0, 0x4));
+ mt76_wr(dev, MT_WFDMA1_RX_RING1_EXT_CTRL, PREFETCH(0x400, 0x4));
+ mt76_wr(dev, MT_WFDMA1_RX_RING2_EXT_CTRL, PREFETCH(0x440, 0x4));
+ mt76_wr(dev, MT_WFDMA1_RX_RING3_EXT_CTRL, PREFETCH(0x480, 0x0));
+}
+
+int mt7915_dma_init(struct mt7915_dev *dev)
+{
+ /* Increase buffer size to receive large VHT/HE MPDUs */
+ int rx_buf_size = MT_RX_BUF_SIZE * 2;
+ int ret;
+
+ mt76_dma_attach(&dev->mt76);
+
+ /* configure global setting */
+ mt76_set(dev, MT_WFDMA1_GLO_CFG,
+ MT_WFDMA1_GLO_CFG_OMIT_TX_INFO |
+ MT_WFDMA1_GLO_CFG_OMIT_RX_INFO);
+
+ /* configure perfetch settings */
+ mt7915_dma_prefetch(dev);
+
+ /* reset dma idx */
+ mt76_wr(dev, MT_WFDMA0_RST_DTX_PTR, ~0);
+ mt76_wr(dev, MT_WFDMA1_RST_DTX_PTR, ~0);
+
+ /* configure delay interrupt */
+ mt76_wr(dev, MT_WFDMA0_PRI_DLY_INT_CFG0, 0);
+ mt76_wr(dev, MT_WFDMA1_PRI_DLY_INT_CFG0, 0);
+
+ /* init tx queue */
+ ret = mt7915_init_tx_queues(dev, MT7915_TX_RING_SIZE);
+ if (ret)
+ return ret;
+
+ /* command to WM */
+ ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU],
+ MT7915_TXQ_MCU_WM,
+ MT7915_TX_MCU_RING_SIZE);
+ if (ret)
+ return ret;
+
+ /* command to WA */
+ ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_MCU_WA],
+ MT7915_TXQ_MCU_WA,
+ MT7915_TX_MCU_RING_SIZE);
+ if (ret)
+ return ret;
+
+ /* firmware download */
+ ret = mt7915_init_mcu_queue(dev, &dev->mt76.q_tx[MT_TXQ_FWDL],
+ MT7915_TXQ_FWDL,
+ MT7915_TX_FWDL_RING_SIZE);
+ if (ret)
+ return ret;
+
+ /* event from WM */
+ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU],
+ MT7915_RXQ_MCU_WM, MT7915_RX_MCU_RING_SIZE,
+ rx_buf_size, MT_RX_EVENT_RING_BASE);
+ if (ret)
+ return ret;
+
+ /* event from WA */
+ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
+ MT7915_RXQ_MCU_WA, MT7915_RX_MCU_RING_SIZE,
+ rx_buf_size, MT_RX_EVENT_RING_BASE);
+ if (ret)
+ return ret;
+
+ /* rx data */
+ ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0,
+ MT7915_RX_RING_SIZE, rx_buf_size,
+ MT_RX_DATA_RING_BASE);
+ if (ret)
+ return ret;
+
+ ret = mt76_init_queues(dev);
+ if (ret < 0)
+ return ret;
+
+ netif_tx_napi_add(&dev->mt76.napi_dev, &dev->mt76.tx_napi,
+ mt7915_poll_tx, NAPI_POLL_WEIGHT);
+ napi_enable(&dev->mt76.tx_napi);
+
+ /* hif wait WFDMA idle */
+ mt76_set(dev, MT_WFDMA0_BUSY_ENA,
+ MT_WFDMA0_BUSY_ENA_TX_FIFO0 |
+ MT_WFDMA0_BUSY_ENA_TX_FIFO1 |
+ MT_WFDMA0_BUSY_ENA_RX_FIFO);
+
+ mt76_set(dev, MT_WFDMA1_BUSY_ENA,
+ MT_WFDMA1_BUSY_ENA_TX_FIFO0 |
+ MT_WFDMA1_BUSY_ENA_TX_FIFO1 |
+ MT_WFDMA1_BUSY_ENA_RX_FIFO);
+
+ mt76_set(dev, MT_WFDMA0_PCIE1_BUSY_ENA,
+ MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 |
+ MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 |
+ MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO);
+
+ mt76_set(dev, MT_WFDMA1_PCIE1_BUSY_ENA,
+ MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO0 |
+ MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO1 |
+ MT_WFDMA1_PCIE1_BUSY_ENA_RX_FIFO);
+
+ mt76_poll(dev, MT_WFDMA_EXT_CSR_HIF_MISC,
+ MT_WFDMA_EXT_CSR_HIF_MISC_BUSY, 0, 1000);
+
+ /* set WFDMA Tx/Rx */
+ mt76_set(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_set(dev, MT_WFDMA1_GLO_CFG,
+ MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+
+ /* enable interrupts for TX/RX rings */
+ mt7915_irq_enable(dev, MT_INT_RX_DONE_ALL | MT_INT_TX_DONE_ALL |
+ MT_INT_MCU_CMD);
+
+ return 0;
+}
+
+void mt7915_dma_cleanup(struct mt7915_dev *dev)
+{
+ /* disable */
+ mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_clear(dev, MT_WFDMA1_GLO_CFG,
+ MT_WFDMA1_GLO_CFG_TX_DMA_EN |
+ MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+
+ /* reset */
+ mt76_clear(dev, MT_WFDMA1_RST,
+ MT_WFDMA1_RST_DMASHDL_ALL_RST |
+ MT_WFDMA1_RST_LOGIC_RST);
+
+ mt76_set(dev, MT_WFDMA1_RST,
+ MT_WFDMA1_RST_DMASHDL_ALL_RST |
+ MT_WFDMA1_RST_LOGIC_RST);
+
+ mt76_clear(dev, MT_WFDMA0_RST,
+ MT_WFDMA0_RST_DMASHDL_ALL_RST |
+ MT_WFDMA0_RST_LOGIC_RST);
+
+ mt76_set(dev, MT_WFDMA0_RST,
+ MT_WFDMA0_RST_DMASHDL_ALL_RST |
+ MT_WFDMA0_RST_LOGIC_RST);
+
+ tasklet_kill(&dev->mt76.tx_tasklet);
+ mt76_dma_cleanup(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
new file mode 100644
index 000000000000..7deba7ebd68a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.c
@@ -0,0 +1,243 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include "mt7915.h"
+#include "eeprom.h"
+
+static inline bool mt7915_efuse_valid(u8 val)
+{
+ return !(val == 0xff);
+}
+
+u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset)
+{
+ u8 *data = dev->mt76.eeprom.data;
+
+ if (!mt7915_efuse_valid(data[offset]))
+ mt7915_mcu_get_eeprom(dev, offset);
+
+ return data[offset];
+}
+
+static int mt7915_eeprom_load(struct mt7915_dev *dev)
+{
+ int ret;
+
+ ret = mt76_eeprom_init(&dev->mt76, MT7915_EEPROM_SIZE);
+ if (ret < 0)
+ return ret;
+
+ memset(dev->mt76.eeprom.data, -1, MT7915_EEPROM_SIZE);
+
+ return 0;
+}
+
+static int mt7915_check_eeprom(struct mt7915_dev *dev)
+{
+ u16 val;
+ u8 *eeprom = dev->mt76.eeprom.data;
+
+ mt7915_eeprom_read(dev, 0);
+ val = get_unaligned_le16(eeprom);
+
+ switch (val) {
+ case 0x7915:
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static void mt7915_eeprom_parse_hw_cap(struct mt7915_dev *dev)
+{
+ u8 *eeprom = dev->mt76.eeprom.data;
+ u8 tx_mask, max_nss = 4;
+ u32 val = mt7915_eeprom_read(dev, MT_EE_WIFI_CONF);
+
+ val = FIELD_GET(MT_EE_WIFI_CONF_BAND_SEL, val);
+ switch (val) {
+ case MT_EE_5GHZ:
+ dev->mt76.cap.has_5ghz = true;
+ break;
+ case MT_EE_2GHZ:
+ dev->mt76.cap.has_2ghz = true;
+ break;
+ default:
+ dev->mt76.cap.has_2ghz = true;
+ dev->mt76.cap.has_5ghz = true;
+ break;
+ }
+
+ /* read tx mask from eeprom */
+ tx_mask = FIELD_GET(MT_EE_WIFI_CONF_TX_MASK,
+ eeprom[MT_EE_WIFI_CONF]);
+ if (!tx_mask || tx_mask > max_nss)
+ tx_mask = max_nss;
+
+ dev->chainmask = BIT(tx_mask) - 1;
+ dev->mphy.antenna_mask = dev->chainmask;
+ dev->phy.chainmask = dev->chainmask;
+}
+
+int mt7915_eeprom_init(struct mt7915_dev *dev)
+{
+ int ret;
+
+ ret = mt7915_eeprom_load(dev);
+ if (ret < 0)
+ return ret;
+
+ ret = mt7915_check_eeprom(dev);
+ if (ret)
+ return ret;
+
+ mt7915_eeprom_parse_hw_cap(dev);
+ memcpy(dev->mt76.macaddr, dev->mt76.eeprom.data + MT_EE_MAC_ADDR,
+ ETH_ALEN);
+
+ mt76_eeprom_override(&dev->mt76);
+
+ return 0;
+}
+
+int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx)
+{
+ int index;
+ bool tssi_on;
+
+ if (chain_idx > 3)
+ return -EINVAL;
+
+ tssi_on = mt7915_tssi_enabled(dev, chan->band);
+
+ if (chan->band == NL80211_BAND_2GHZ) {
+ index = MT_EE_TX0_POWER_2G + chain_idx * 3 + !tssi_on;
+ } else {
+ int group = tssi_on ?
+ mt7915_get_channel_group(chan->hw_value) : 8;
+
+ index = MT_EE_TX0_POWER_5G + chain_idx * 12 + group;
+ }
+
+ return mt7915_eeprom_read(dev, index);
+}
+
+static const u8 sku_cck_delta_map[] = {
+ SKU_CCK_GROUP0,
+ SKU_CCK_GROUP0,
+ SKU_CCK_GROUP1,
+ SKU_CCK_GROUP1,
+};
+
+static const u8 sku_ofdm_delta_map[] = {
+ SKU_OFDM_GROUP0,
+ SKU_OFDM_GROUP0,
+ SKU_OFDM_GROUP1,
+ SKU_OFDM_GROUP1,
+ SKU_OFDM_GROUP2,
+ SKU_OFDM_GROUP2,
+ SKU_OFDM_GROUP3,
+ SKU_OFDM_GROUP4,
+};
+
+static const u8 sku_mcs_delta_map[] = {
+ SKU_MCS_GROUP0,
+ SKU_MCS_GROUP1,
+ SKU_MCS_GROUP1,
+ SKU_MCS_GROUP2,
+ SKU_MCS_GROUP2,
+ SKU_MCS_GROUP3,
+ SKU_MCS_GROUP4,
+ SKU_MCS_GROUP5,
+ SKU_MCS_GROUP6,
+ SKU_MCS_GROUP7,
+ SKU_MCS_GROUP8,
+ SKU_MCS_GROUP9,
+};
+
+#define SKU_GROUP(_mode, _len, _ofs_2g, _ofs_5g, _map) \
+ [_mode] = { \
+ .len = _len, \
+ .offset = { \
+ _ofs_2g, \
+ _ofs_5g, \
+ }, \
+ .delta_map = _map \
+}
+
+const struct sku_group mt7915_sku_groups[] = {
+ SKU_GROUP(SKU_CCK, 4, 0x252, 0, sku_cck_delta_map),
+ SKU_GROUP(SKU_OFDM, 8, 0x254, 0x29d, sku_ofdm_delta_map),
+
+ SKU_GROUP(SKU_HT_BW20, 8, 0x259, 0x2a2, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HT_BW40, 9, 0x262, 0x2ab, sku_mcs_delta_map),
+ SKU_GROUP(SKU_VHT_BW20, 12, 0x259, 0x2a2, sku_mcs_delta_map),
+ SKU_GROUP(SKU_VHT_BW40, 12, 0x262, 0x2ab, sku_mcs_delta_map),
+ SKU_GROUP(SKU_VHT_BW80, 12, 0, 0x2b4, sku_mcs_delta_map),
+ SKU_GROUP(SKU_VHT_BW160, 12, 0, 0, sku_mcs_delta_map),
+
+ SKU_GROUP(SKU_HE_RU26, 12, 0x27f, 0x2dd, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU52, 12, 0x289, 0x2e7, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU106, 12, 0x293, 0x2f1, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU242, 12, 0x26b, 0x2bf, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU484, 12, 0x275, 0x2c9, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU996, 12, 0, 0x2d3, sku_mcs_delta_map),
+ SKU_GROUP(SKU_HE_RU2x996, 12, 0, 0, sku_mcs_delta_map),
+};
+
+static s8
+mt7915_get_sku_delta(struct mt7915_dev *dev, u32 addr)
+{
+ u32 val = mt7915_eeprom_read(dev, addr);
+ s8 delta = FIELD_GET(SKU_DELTA_VAL, val);
+
+ if (!(val & SKU_DELTA_EN))
+ return 0;
+
+ return val & SKU_DELTA_ADD ? delta : -delta;
+}
+
+static void
+mt7915_eeprom_init_sku_band(struct mt7915_dev *dev,
+ struct ieee80211_supported_band *sband)
+{
+ int i, band = sband->band;
+ s8 *rate_power = dev->rate_power[band], max_delta = 0;
+ u8 idx = 0;
+
+ for (i = 0; i < ARRAY_SIZE(mt7915_sku_groups); i++) {
+ const struct sku_group *sku = &mt7915_sku_groups[i];
+ u32 offset = sku->offset[band];
+ int j;
+
+ if (!offset) {
+ idx += sku->len;
+ continue;
+ }
+
+ rate_power[idx++] = mt7915_get_sku_delta(dev, offset);
+ if (rate_power[idx - 1] > max_delta)
+ max_delta = rate_power[idx - 1];
+
+ if (i == SKU_HT_BW20 || i == SKU_VHT_BW20)
+ offset += 1;
+
+ for (j = 1; j < sku->len; j++) {
+ u32 addr = offset + sku->delta_map[j];
+
+ rate_power[idx++] = mt7915_get_sku_delta(dev, addr);
+ if (rate_power[idx - 1] > max_delta)
+ max_delta = rate_power[idx - 1];
+ }
+ }
+
+ rate_power[idx] = max_delta;
+}
+
+void mt7915_eeprom_init_sku(struct mt7915_dev *dev)
+{
+ mt7915_eeprom_init_sku_band(dev, &dev->mphy.sband_2g.sband);
+ mt7915_eeprom_init_sku_band(dev, &dev->mphy.sband_5g.sband);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
new file mode 100644
index 000000000000..4e31d6ab4fa6
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/eeprom.h
@@ -0,0 +1,125 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_EEPROM_H
+#define __MT7915_EEPROM_H
+
+#include "mt7915.h"
+
+struct cal_data {
+ u8 count;
+ u16 offset[60];
+};
+
+enum mt7915_eeprom_field {
+ MT_EE_CHIP_ID = 0x000,
+ MT_EE_VERSION = 0x002,
+ MT_EE_MAC_ADDR = 0x004,
+ MT_EE_DDIE_FT_VERSION = 0x050,
+ MT_EE_WIFI_CONF = 0x190,
+ MT_EE_TX0_POWER_2G = 0x2fc,
+ MT_EE_TX0_POWER_5G = 0x34b,
+ MT_EE_ADIE_FT_VERSION = 0x9a0,
+
+ __MT_EE_MAX = 0xe00
+};
+
+#define MT_EE_WIFI_CONF_TX_MASK GENMASK(2, 0)
+#define MT_EE_WIFI_CONF_BAND_SEL GENMASK(7, 6)
+#define MT_EE_WIFI_CONF_TSSI0_2G BIT(0)
+#define MT_EE_WIFI_CONF_TSSI0_5G BIT(2)
+#define MT_EE_WIFI_CONF_TSSI1_5G BIT(4)
+
+enum mt7915_eeprom_band {
+ MT_EE_DUAL_BAND,
+ MT_EE_5GHZ,
+ MT_EE_2GHZ,
+ MT_EE_DBDC,
+};
+
+#define SKU_DELTA_VAL GENMASK(5, 0)
+#define SKU_DELTA_ADD BIT(6)
+#define SKU_DELTA_EN BIT(7)
+
+enum mt7915_sku_delta_group {
+ SKU_CCK_GROUP0,
+ SKU_CCK_GROUP1,
+
+ SKU_OFDM_GROUP0 = 0,
+ SKU_OFDM_GROUP1,
+ SKU_OFDM_GROUP2,
+ SKU_OFDM_GROUP3,
+ SKU_OFDM_GROUP4,
+
+ SKU_MCS_GROUP0 = 0,
+ SKU_MCS_GROUP1,
+ SKU_MCS_GROUP2,
+ SKU_MCS_GROUP3,
+ SKU_MCS_GROUP4,
+ SKU_MCS_GROUP5,
+ SKU_MCS_GROUP6,
+ SKU_MCS_GROUP7,
+ SKU_MCS_GROUP8,
+ SKU_MCS_GROUP9,
+};
+
+enum mt7915_sku_rate_group {
+ SKU_CCK,
+ SKU_OFDM,
+ SKU_HT_BW20,
+ SKU_HT_BW40,
+ SKU_VHT_BW20,
+ SKU_VHT_BW40,
+ SKU_VHT_BW80,
+ SKU_VHT_BW160,
+ SKU_HE_RU26,
+ SKU_HE_RU52,
+ SKU_HE_RU106,
+ SKU_HE_RU242,
+ SKU_HE_RU484,
+ SKU_HE_RU996,
+ SKU_HE_RU2x996,
+ MAX_SKU_RATE_GROUP_NUM,
+};
+
+struct sku_group {
+ u8 len;
+ u16 offset[2];
+ const u8 *delta_map;
+};
+
+static inline int
+mt7915_get_channel_group(int channel)
+{
+ if (channel >= 184 && channel <= 196)
+ return 0;
+ if (channel <= 48)
+ return 1;
+ if (channel <= 64)
+ return 2;
+ if (channel <= 96)
+ return 3;
+ if (channel <= 112)
+ return 4;
+ if (channel <= 128)
+ return 5;
+ if (channel <= 144)
+ return 6;
+ return 7;
+}
+
+static inline bool
+mt7915_tssi_enabled(struct mt7915_dev *dev, enum nl80211_band band)
+{
+ u8 *eep = dev->mt76.eeprom.data;
+
+ /* TODO: DBDC */
+ if (band == NL80211_BAND_5GHZ)
+ return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_5G;
+ else
+ return eep[MT_EE_WIFI_CONF + 7] & MT_EE_WIFI_CONF_TSSI0_2G;
+}
+
+extern const struct sku_group mt7915_sku_groups[];
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
new file mode 100644
index 000000000000..aadf56e80bae
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -0,0 +1,702 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include "mt7915.h"
+#include "mac.h"
+#include "eeprom.h"
+
+static void
+mt7915_mac_init_band(struct mt7915_dev *dev, u8 band)
+{
+ u32 mask, set;
+
+ mt76_rmw_field(dev, MT_TMAC_CTCR0(band),
+ MT_TMAC_CTCR0_INS_DDLMT_REFTIME, 0x3f);
+ mt76_set(dev, MT_TMAC_CTCR0(band),
+ MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN |
+ MT_TMAC_CTCR0_INS_DDLMT_EN);
+
+ mask = MT_MDP_RCFR0_MCU_RX_MGMT |
+ MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR |
+ MT_MDP_RCFR0_MCU_RX_CTL_BAR;
+ set = FIELD_PREP(MT_MDP_RCFR0_MCU_RX_MGMT, MT_MDP_TO_HIF) |
+ FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR, MT_MDP_TO_HIF) |
+ FIELD_PREP(MT_MDP_RCFR0_MCU_RX_CTL_BAR, MT_MDP_TO_HIF);
+ mt76_rmw(dev, MT_MDP_BNRCFR0(band), mask, set);
+
+ mask = MT_MDP_RCFR1_MCU_RX_BYPASS |
+ MT_MDP_RCFR1_RX_DROPPED_UCAST |
+ MT_MDP_RCFR1_RX_DROPPED_MCAST;
+ set = FIELD_PREP(MT_MDP_RCFR1_MCU_RX_BYPASS, MT_MDP_TO_HIF) |
+ FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_UCAST, MT_MDP_TO_HIF) |
+ FIELD_PREP(MT_MDP_RCFR1_RX_DROPPED_MCAST, MT_MDP_TO_HIF);
+ mt76_rmw(dev, MT_MDP_BNRCFR1(band), mask, set);
+
+ mt76_set(dev, MT_WF_RMAC_MIB_TIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+ mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(band), MT_WF_RMAC_MIB_RXTIME_EN);
+}
+
+static void mt7915_mac_init(struct mt7915_dev *dev)
+{
+ int i;
+
+ mt76_rmw_field(dev, MT_DMA_DCR0, MT_DMA_DCR0_MAX_RX_LEN, 1536);
+ mt76_rmw_field(dev, MT_MDP_DCR1, MT_MDP_DCR1_MAX_RX_LEN, 1536);
+ /* enable rx rate report */
+ mt76_set(dev, MT_DMA_DCR0, MT_DMA_DCR0_RXD_G5_EN);
+ /* disable hardware de-agg */
+ mt76_clear(dev, MT_MDP_DCR0, MT_MDP_DCR0_DAMSDU_EN);
+
+ for (i = 0; i < MT7915_WTBL_SIZE; i++)
+ mt7915_mac_wtbl_update(dev, i,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ mt7915_mac_init_band(dev, 0);
+ mt7915_mac_init_band(dev, 1);
+ mt7915_mcu_set_rts_thresh(&dev->phy, 0x92b);
+}
+
+static int mt7915_txbf_init(struct mt7915_dev *dev)
+{
+ int ret;
+
+ /*
+ * TODO: DBDC & check whether iBF phase calibration data has
+ * been stored in eeprom offset 0x651~0x7b8, then write down
+ * 0x1111 into 0x651 and 0x651 to trigger iBF.
+ */
+
+ /* trigger sounding packets */
+ ret = mt7915_mcu_set_txbf_sounding(dev);
+ if (ret)
+ return ret;
+
+ /* enable iBF & eBF */
+ return mt7915_mcu_set_txbf_type(dev);
+}
+
+static void
+mt7915_init_txpower_band(struct mt7915_dev *dev,
+ struct ieee80211_supported_band *sband)
+{
+ int i, n_chains = hweight8(dev->mphy.antenna_mask);
+
+ for (i = 0; i < sband->n_channels; i++) {
+ struct ieee80211_channel *chan = &sband->channels[i];
+ u32 target_power = 0;
+ int j;
+
+ for (j = 0; j < n_chains; j++) {
+ u32 val;
+
+ val = mt7915_eeprom_get_target_power(dev, chan, j);
+ target_power = max(target_power, val);
+ }
+
+ chan->max_power = min_t(int, chan->max_reg_power,
+ target_power / 2);
+ chan->orig_mpwr = target_power / 2;
+ }
+}
+
+static void mt7915_init_txpower(struct mt7915_dev *dev)
+{
+ mt7915_init_txpower_band(dev, &dev->mphy.sband_2g.sband);
+ mt7915_init_txpower_band(dev, &dev->mphy.sband_5g.sband);
+
+ mt7915_eeprom_init_sku(dev);
+}
+
+static void mt7915_init_work(struct work_struct *work)
+{
+ struct mt7915_dev *dev = container_of(work, struct mt7915_dev,
+ init_work);
+
+ mt7915_mcu_set_eeprom(dev);
+ mt7915_mac_init(dev);
+ mt7915_init_txpower(dev);
+ mt7915_txbf_init(dev);
+}
+
+static int mt7915_init_hardware(struct mt7915_dev *dev)
+{
+ int ret, idx;
+
+ mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+
+ INIT_WORK(&dev->init_work, mt7915_init_work);
+ spin_lock_init(&dev->token_lock);
+ idr_init(&dev->token);
+
+ ret = mt7915_dma_init(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
+
+ ret = mt7915_mcu_init(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7915_eeprom_init(dev);
+ if (ret < 0)
+ return ret;
+
+ /* Beacon and mgmt frames should occupy wcid 0 */
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
+ if (idx)
+ return -ENOSPC;
+
+ dev->mt76.global_wcid.idx = idx;
+ dev->mt76.global_wcid.hw_key_idx = -1;
+ dev->mt76.global_wcid.tx_info |= MT_WCID_TX_INFO_SET;
+ rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
+
+ return 0;
+}
+
+#define CCK_RATE(_idx, _rate) { \
+ .bitrate = _rate, \
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
+ .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
+ .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + (_idx)), \
+}
+
+#define OFDM_RATE(_idx, _rate) { \
+ .bitrate = _rate, \
+ .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
+ .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
+}
+
+static struct ieee80211_rate mt7915_rates[] = {
+ CCK_RATE(0, 10),
+ CCK_RATE(1, 20),
+ CCK_RATE(2, 55),
+ CCK_RATE(3, 110),
+ OFDM_RATE(11, 60),
+ OFDM_RATE(15, 90),
+ OFDM_RATE(10, 120),
+ OFDM_RATE(14, 180),
+ OFDM_RATE(9, 240),
+ OFDM_RATE(13, 360),
+ OFDM_RATE(8, 480),
+ OFDM_RATE(12, 540),
+};
+
+static const struct ieee80211_iface_limit if_limits[] = {
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_ADHOC)
+ }, {
+ .max = MT7915_MAX_INTERFACES,
+ .types = BIT(NL80211_IFTYPE_AP) |
+#ifdef CONFIG_MAC80211_MESH
+ BIT(NL80211_IFTYPE_MESH_POINT) |
+#endif
+ BIT(NL80211_IFTYPE_STATION)
+ }
+};
+
+static const struct ieee80211_iface_combination if_comb[] = {
+ {
+ .limits = if_limits,
+ .n_limits = ARRAY_SIZE(if_limits),
+ .max_interfaces = 4,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80) |
+ BIT(NL80211_CHAN_WIDTH_160) |
+ BIT(NL80211_CHAN_WIDTH_80P80),
+ }
+};
+
+static void
+mt7915_regd_notifier(struct wiphy *wiphy,
+ struct regulatory_request *request)
+{
+ struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+ struct mt7915_phy *phy = mphy->priv;
+ struct cfg80211_chan_def *chandef = &mphy->chandef;
+
+ dev->mt76.region = request->dfs_region;
+
+ if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+ return;
+
+ mt7915_dfs_init_radar_detector(phy);
+}
+
+static void
+mt7915_init_wiphy(struct ieee80211_hw *hw)
+{
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct wiphy *wiphy = hw->wiphy;
+
+ hw->queues = 4;
+ hw->max_rx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+ hw->max_tx_aggregation_subframes = IEEE80211_MAX_AMPDU_BUF;
+
+ phy->slottime = 9;
+
+ hw->sta_data_size = sizeof(struct mt7915_sta);
+ hw->vif_data_size = sizeof(struct mt7915_vif);
+
+ wiphy->iface_combinations = if_comb;
+ wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
+ wiphy->reg_notifier = mt7915_regd_notifier;
+ wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+
+ ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+
+ hw->max_tx_fragments = 4;
+}
+
+void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy)
+{
+ int nss = hweight8(phy->chainmask);
+ u32 *cap = &phy->mt76->sband_5g.sband.vht_cap.cap;
+
+ *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
+ (3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
+
+ *cap &= ~(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK |
+ IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
+
+ if (nss < 2)
+ return;
+
+ *cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE |
+ FIELD_PREP(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+ nss - 1);
+}
+
+static void
+mt7915_set_stream_he_txbf_caps(struct ieee80211_sta_he_cap *he_cap,
+ int vif, int nss)
+{
+ struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+ struct ieee80211_he_mcs_nss_supp *mcs = &he_cap->he_mcs_nss_supp;
+ u8 c;
+
+#ifdef CONFIG_MAC80211_MESH
+ if (vif == NL80211_IFTYPE_MESH_POINT)
+ return;
+#endif
+
+ elem->phy_cap_info[3] &= ~IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
+ elem->phy_cap_info[4] &= ~IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+
+ c = IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK |
+ IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK;
+ elem->phy_cap_info[5] &= ~c;
+
+ c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
+ IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
+ elem->phy_cap_info[6] &= ~c;
+
+ elem->phy_cap_info[7] &= ~IEEE80211_HE_PHY_CAP7_MAX_NC_MASK;
+
+ c = IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
+ IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
+ IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO;
+ elem->phy_cap_info[2] |= c;
+
+ c = IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE |
+ IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 |
+ IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4;
+ elem->phy_cap_info[4] |= c;
+
+ /* do not support NG16 due to spec D4.0 changes subcarrier idx */
+ c = IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU |
+ IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU;
+
+ if (vif == NL80211_IFTYPE_STATION)
+ c |= IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO;
+
+ elem->phy_cap_info[6] |= c;
+
+ if (nss < 2)
+ return;
+
+ if (vif != NL80211_IFTYPE_AP)
+ return;
+
+ elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
+ elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+
+ /* num_snd_dim */
+ c = (nss - 1) | (max_t(int, mcs->tx_mcs_160, 1) << 3);
+ elem->phy_cap_info[5] |= c;
+
+ c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB |
+ IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB;
+ elem->phy_cap_info[6] |= c;
+
+ /* the maximum cap is 4 x 3, (Nr, Nc) = (3, 2) */
+ elem->phy_cap_info[7] |= min_t(int, nss - 1, 2) << 3;
+}
+
+static void
+mt7915_gen_ppe_thresh(u8 *he_ppet)
+{
+ int ru, nss, max_nss = 1, max_ru = 3;
+ u8 bit = 7, ru_bit_mask = 0x7;
+ u8 ppet16_ppet8_ru3_ru0[] = {0x1c, 0xc7, 0x71};
+
+ he_ppet[0] = max_nss & IEEE80211_PPE_THRES_NSS_MASK;
+ he_ppet[0] |= (ru_bit_mask <<
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS) &
+ IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK;
+
+ for (nss = 0; nss <= max_nss; nss++) {
+ for (ru = 0; ru < max_ru; ru++) {
+ u8 val;
+ int i;
+
+ if (!(ru_bit_mask & BIT(ru)))
+ continue;
+
+ val = (ppet16_ppet8_ru3_ru0[nss] >> (ru * 6)) &
+ 0x3f;
+ val = ((val >> 3) & 0x7) | ((val & 0x7) << 3);
+ for (i = 5; i >= 0; i--) {
+ he_ppet[bit / 8] |=
+ ((val >> i) & 0x1) << ((bit % 8));
+ bit++;
+ }
+ }
+ }
+}
+
+static int
+mt7915_init_he_caps(struct mt7915_phy *phy, enum nl80211_band band,
+ struct ieee80211_sband_iftype_data *data)
+{
+ int i, idx = 0;
+ int nss = hweight8(phy->chainmask);
+ u16 mcs_map = 0;
+
+ for (i = 0; i < 8; i++) {
+ if (i < nss)
+ mcs_map |= (IEEE80211_HE_MCS_SUPPORT_0_11 << (i * 2));
+ else
+ mcs_map |= (IEEE80211_HE_MCS_NOT_SUPPORTED << (i * 2));
+ }
+
+ for (i = 0; i < NUM_NL80211_IFTYPES; i++) {
+ struct ieee80211_sta_he_cap *he_cap = &data[idx].he_cap;
+ struct ieee80211_he_cap_elem *he_cap_elem =
+ &he_cap->he_cap_elem;
+ struct ieee80211_he_mcs_nss_supp *he_mcs =
+ &he_cap->he_mcs_nss_supp;
+
+ switch (i) {
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_AP:
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+#endif
+ break;
+ default:
+ continue;
+ }
+
+ data[idx].types_mask = BIT(i);
+ he_cap->has_he = true;
+
+ he_cap_elem->mac_cap_info[0] =
+ IEEE80211_HE_MAC_CAP0_HTC_HE;
+ he_cap_elem->mac_cap_info[1] =
+ IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US |
+ IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1;
+ he_cap_elem->mac_cap_info[2] =
+ IEEE80211_HE_MAC_CAP2_BSR;
+ he_cap_elem->mac_cap_info[3] =
+ IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
+ IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED;
+ he_cap_elem->mac_cap_info[4] =
+ IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU;
+
+ if (band == NL80211_BAND_2GHZ)
+ he_cap_elem->phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G;
+ else if (band == NL80211_BAND_5GHZ)
+ he_cap_elem->phy_cap_info[0] =
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+
+ he_cap_elem->phy_cap_info[1] =
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
+ he_cap_elem->phy_cap_info[2] =
+ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
+ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ;
+
+ /* TODO: OFDMA */
+
+ switch (i) {
+ case NL80211_IFTYPE_AP:
+ he_cap_elem->mac_cap_info[0] |=
+ IEEE80211_HE_MAC_CAP0_TWT_RES;
+ he_cap_elem->mac_cap_info[4] |=
+ IEEE80211_HE_MAC_CAP4_BQR;
+ he_cap_elem->phy_cap_info[3] |=
+ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK |
+ IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK;
+ he_cap_elem->phy_cap_info[6] |=
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+ case NL80211_IFTYPE_STATION:
+ he_cap_elem->mac_cap_info[0] |=
+ IEEE80211_HE_MAC_CAP0_TWT_REQ;
+ he_cap_elem->mac_cap_info[3] |=
+ IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED;
+
+ if (band == NL80211_BAND_2GHZ)
+ he_cap_elem->phy_cap_info[0] |=
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G;
+ else if (band == NL80211_BAND_5GHZ)
+ he_cap_elem->phy_cap_info[0] |=
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G;
+
+ he_cap_elem->phy_cap_info[1] |=
+ IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A;
+ he_cap_elem->phy_cap_info[8] |=
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G |
+ IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU |
+ IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU;
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU;
+ break;
+#ifdef CONFIG_MAC80211_MESH
+ case NL80211_IFTYPE_MESH_POINT:
+ break;
+#endif
+ }
+
+ he_mcs->rx_mcs_80 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_80 = cpu_to_le16(mcs_map);
+ he_mcs->rx_mcs_160 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_160 = cpu_to_le16(mcs_map);
+ he_mcs->rx_mcs_80p80 = cpu_to_le16(mcs_map);
+ he_mcs->tx_mcs_80p80 = cpu_to_le16(mcs_map);
+
+ mt7915_set_stream_he_txbf_caps(he_cap, i, nss);
+
+ memset(he_cap->ppe_thres, 0, sizeof(he_cap->ppe_thres));
+ if (he_cap_elem->phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
+ mt7915_gen_ppe_thresh(he_cap->ppe_thres);
+ } else {
+ he_cap_elem->phy_cap_info[9] |=
+ IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US;
+ }
+ idx++;
+ }
+
+ return idx;
+}
+
+void mt7915_set_stream_he_caps(struct mt7915_phy *phy)
+{
+ struct ieee80211_sband_iftype_data *data;
+ struct ieee80211_supported_band *band;
+ struct mt76_dev *mdev = &phy->dev->mt76;
+ int n;
+
+ if (mdev->cap.has_2ghz) {
+ data = phy->iftype[NL80211_BAND_2GHZ];
+ n = mt7915_init_he_caps(phy, NL80211_BAND_2GHZ, data);
+
+ band = &phy->mt76->sband_2g.sband;
+ band->iftype_data = data;
+ band->n_iftype_data = n;
+ }
+
+ if (mdev->cap.has_5ghz) {
+ data = phy->iftype[NL80211_BAND_5GHZ];
+ n = mt7915_init_he_caps(phy, NL80211_BAND_5GHZ, data);
+
+ band = &phy->mt76->sband_5g.sband;
+ band->iftype_data = data;
+ band->n_iftype_data = n;
+ }
+}
+
+static void
+mt7915_cap_dbdc_enable(struct mt7915_dev *dev)
+{
+ dev->mphy.sband_5g.sband.vht_cap.cap &=
+ ~(IEEE80211_VHT_CAP_SHORT_GI_160 |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ);
+
+ if (dev->chainmask == 0xf)
+ dev->mphy.antenna_mask = dev->chainmask >> 2;
+ else
+ dev->mphy.antenna_mask = dev->chainmask >> 1;
+
+ dev->phy.chainmask = dev->mphy.antenna_mask;
+ dev->mphy.hw->wiphy->available_antennas_rx = dev->phy.chainmask;
+ dev->mphy.hw->wiphy->available_antennas_tx = dev->phy.chainmask;
+
+ mt76_set_stream_caps(&dev->mphy, true);
+ mt7915_set_stream_vht_txbf_caps(&dev->phy);
+ mt7915_set_stream_he_caps(&dev->phy);
+}
+
+static void
+mt7915_cap_dbdc_disable(struct mt7915_dev *dev)
+{
+ dev->mphy.sband_5g.sband.vht_cap.cap |=
+ IEEE80211_VHT_CAP_SHORT_GI_160 |
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
+ dev->mphy.antenna_mask = dev->chainmask;
+ dev->phy.chainmask = dev->chainmask;
+ dev->mphy.hw->wiphy->available_antennas_rx = dev->chainmask;
+ dev->mphy.hw->wiphy->available_antennas_tx = dev->chainmask;
+
+ mt76_set_stream_caps(&dev->mphy, true);
+ mt7915_set_stream_vht_txbf_caps(&dev->phy);
+ mt7915_set_stream_he_caps(&dev->phy);
+}
+
+int mt7915_register_ext_phy(struct mt7915_dev *dev)
+{
+ struct mt7915_phy *phy = mt7915_ext_phy(dev);
+ struct mt76_phy *mphy;
+ int ret;
+ bool bound;
+
+ /* TODO: enble DBDC */
+ bound = mt7915_l1_rr(dev, MT_HW_BOUND) & BIT(5);
+ if (!bound)
+ return -EINVAL;
+
+ if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+ return -EINVAL;
+
+ if (phy)
+ return 0;
+
+ mt7915_cap_dbdc_enable(dev);
+ mphy = mt76_alloc_phy(&dev->mt76, sizeof(*phy), &mt7915_ops);
+ if (!mphy)
+ return -ENOMEM;
+
+ phy = mphy->priv;
+ phy->dev = dev;
+ phy->mt76 = mphy;
+ phy->chainmask = dev->chainmask & ~dev->phy.chainmask;
+ mphy->antenna_mask = BIT(hweight8(phy->chainmask)) - 1;
+ mt7915_init_wiphy(mphy->hw);
+
+ INIT_DELAYED_WORK(&phy->mac_work, mt7915_mac_work);
+
+ /*
+ * Make the secondary PHY MAC address local without overlapping with
+ * the usual MAC address allocation scheme on multiple virtual interfaces
+ */
+ mphy->hw->wiphy->perm_addr[0] |= 2;
+ mphy->hw->wiphy->perm_addr[0] ^= BIT(7);
+
+ /* The second interface does not get any packets unless it has a vif */
+ ieee80211_hw_set(mphy->hw, WANT_MONITOR_VIF);
+
+ ret = mt76_register_phy(mphy);
+ if (ret)
+ ieee80211_free_hw(mphy->hw);
+
+ return ret;
+}
+
+void mt7915_unregister_ext_phy(struct mt7915_dev *dev)
+{
+ struct mt7915_phy *phy = mt7915_ext_phy(dev);
+ struct mt76_phy *mphy = dev->mt76.phy2;
+
+ if (!phy)
+ return;
+
+ mt7915_cap_dbdc_disable(dev);
+ mt76_unregister_phy(mphy);
+ ieee80211_free_hw(mphy->hw);
+}
+
+int mt7915_register_device(struct mt7915_dev *dev)
+{
+ struct ieee80211_hw *hw = mt76_hw(dev);
+ int ret;
+
+ dev->phy.dev = dev;
+ dev->phy.mt76 = &dev->mt76.phy;
+ dev->mt76.phy.priv = &dev->phy;
+ INIT_DELAYED_WORK(&dev->phy.mac_work, mt7915_mac_work);
+ INIT_LIST_HEAD(&dev->sta_poll_list);
+ spin_lock_init(&dev->sta_poll_lock);
+
+ init_waitqueue_head(&dev->reset_wait);
+ INIT_WORK(&dev->reset_work, mt7915_mac_reset_work);
+
+ ret = mt7915_init_hardware(dev);
+ if (ret)
+ return ret;
+
+ mt7915_init_wiphy(hw);
+ dev->mphy.sband_2g.sband.ht_cap.cap |=
+ IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_MAX_AMSDU;
+ dev->mphy.sband_5g.sband.ht_cap.cap |=
+ IEEE80211_HT_CAP_LDPC_CODING |
+ IEEE80211_HT_CAP_MAX_AMSDU;
+ dev->mphy.sband_5g.sband.vht_cap.cap |=
+ IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 |
+ IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK;
+ mt7915_cap_dbdc_disable(dev);
+ dev->phy.dfs_state = -1;
+
+ ret = mt76_register_device(&dev->mt76, true, mt7915_rates,
+ ARRAY_SIZE(mt7915_rates));
+ if (ret)
+ return ret;
+
+ ieee80211_queue_work(mt76_hw(dev), &dev->init_work);
+
+ return mt7915_init_debugfs(dev);
+}
+
+void mt7915_unregister_device(struct mt7915_dev *dev)
+{
+ struct mt76_txwi_cache *txwi;
+ int id;
+
+ mt7915_unregister_ext_phy(dev);
+ mt76_unregister_device(&dev->mt76);
+ mt7915_mcu_exit(dev);
+ mt7915_dma_cleanup(dev);
+
+ spin_lock_bh(&dev->token_lock);
+ idr_for_each_entry(&dev->token, txwi, id) {
+ mt7915_txp_skb_unmap(&dev->mt76, txwi);
+ if (txwi->skb)
+ dev_kfree_skb_any(txwi->skb);
+ mt76_put_txwi(&dev->mt76, txwi);
+ }
+ spin_unlock_bh(&dev->token_lock);
+ idr_destroy(&dev->token);
+
+ mt76_free_device(&dev->mt76);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
new file mode 100644
index 000000000000..a264e304a3df
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -0,0 +1,1477 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/timekeeping.h>
+#include "mt7915.h"
+#include "../dma.h"
+#include "mac.h"
+
+#define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
+
+#define HE_BITS(f) cpu_to_le16(IEEE80211_RADIOTAP_HE_##f)
+#define HE_PREP(f, m, v) le16_encode_bits(le32_get_bits(v, MT_CRXV_HE_##m),\
+ IEEE80211_RADIOTAP_HE_##f)
+
+static const struct mt7915_dfs_radar_spec etsi_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [5] = { 1, 0, 6, 32, 28, 0, 990, 5010, 17, 1, 1 },
+ [6] = { 1, 0, 9, 32, 28, 0, 615, 5010, 27, 1, 1 },
+ [7] = { 1, 0, 15, 32, 28, 0, 240, 445, 27, 1, 1 },
+ [8] = { 1, 0, 12, 32, 28, 0, 240, 510, 42, 1, 1 },
+ [9] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 12, 32, 28, { }, 126 },
+ [10] = { 1, 1, 0, 0, 0, 0, 2490, 3343, 14, 0, 0, 15, 32, 24, { }, 126 },
+ [11] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 18, 32, 28, { }, 54 },
+ [12] = { 1, 1, 0, 0, 0, 0, 823, 2510, 14, 0, 0, 27, 32, 24, { }, 54 },
+ },
+};
+
+static const struct mt7915_dfs_radar_spec fcc_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
+ [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
+ [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
+ [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
+ [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
+ },
+};
+
+static const struct mt7915_dfs_radar_spec jp_radar_specs = {
+ .pulse_th = { 110, -10, -80, 40, 5200, 128, 5200 },
+ .radar_pattern = {
+ [0] = { 1, 0, 8, 32, 28, 0, 508, 3076, 13, 1, 1 },
+ [1] = { 1, 0, 12, 32, 28, 0, 140, 240, 17, 1, 1 },
+ [2] = { 1, 0, 8, 32, 28, 0, 190, 510, 22, 1, 1 },
+ [3] = { 1, 0, 6, 32, 28, 0, 190, 510, 32, 1, 1 },
+ [4] = { 1, 0, 9, 255, 28, 0, 323, 343, 13, 1, 32 },
+ [13] = { 1, 0, 7, 32, 28, 0, 3836, 3856, 14, 1, 1 },
+ [14] = { 1, 0, 6, 32, 28, 0, 615, 5010, 110, 1, 1 },
+ [15] = { 1, 1, 0, 0, 0, 0, 15, 5010, 110, 0, 0, 12, 32, 28 },
+ },
+};
+
+static struct mt76_wcid *mt7915_rx_get_wcid(struct mt7915_dev *dev,
+ u16 idx, bool unicast)
+{
+ struct mt7915_sta *sta;
+ struct mt76_wcid *wcid;
+
+ if (idx >= ARRAY_SIZE(dev->mt76.wcid))
+ return NULL;
+
+ wcid = rcu_dereference(dev->mt76.wcid[idx]);
+ if (unicast || !wcid)
+ return wcid;
+
+ if (!wcid->sta)
+ return NULL;
+
+ sta = container_of(wcid, struct mt7915_sta, wcid);
+ if (!sta->vif)
+ return NULL;
+
+ return &sta->vif->sta.wcid;
+}
+
+void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps)
+{
+}
+
+bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask)
+{
+ mt76_rmw(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_WLAN_IDX,
+ FIELD_PREP(MT_WTBL_UPDATE_WLAN_IDX, idx) | mask);
+
+ return mt76_poll(dev, MT_WTBL_UPDATE, MT_WTBL_UPDATE_BUSY,
+ 0, 5000);
+}
+
+static u32 mt7915_mac_wtbl_lmac_read(struct mt7915_dev *dev, u16 wcid,
+ u16 addr)
+{
+ mt76_wr(dev, MT_WTBLON_TOP_WDUCR,
+ FIELD_PREP(MT_WTBLON_TOP_WDUCR_GROUP, (wcid >> 7)));
+
+ return mt76_rr(dev, MT_WTBL_LMAC_OFFS(wcid, addr));
+}
+
+/* TODO: use txfree airtime info to avoid runtime accessing in the long run */
+void mt7915_mac_sta_poll(struct mt7915_dev *dev)
+{
+ static const u8 ac_to_tid[] = {
+ [IEEE80211_AC_BE] = 0,
+ [IEEE80211_AC_BK] = 1,
+ [IEEE80211_AC_VI] = 4,
+ [IEEE80211_AC_VO] = 6
+ };
+ static const u8 hw_queue_map[] = {
+ [IEEE80211_AC_BK] = 0,
+ [IEEE80211_AC_BE] = 1,
+ [IEEE80211_AC_VI] = 2,
+ [IEEE80211_AC_VO] = 3,
+ };
+ struct ieee80211_sta *sta;
+ struct mt7915_sta *msta;
+ u32 tx_time[IEEE80211_NUM_ACS], rx_time[IEEE80211_NUM_ACS];
+ int i;
+
+ rcu_read_lock();
+
+ while (true) {
+ bool clear = false;
+ u16 idx;
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&dev->sta_poll_list)) {
+ spin_unlock_bh(&dev->sta_poll_lock);
+ break;
+ }
+ msta = list_first_entry(&dev->sta_poll_list,
+ struct mt7915_sta, poll_list);
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+
+ for (i = 0, idx = msta->wcid.idx; i < IEEE80211_NUM_ACS; i++) {
+ u32 tx_last = msta->airtime_ac[i];
+ u32 rx_last = msta->airtime_ac[i + IEEE80211_NUM_ACS];
+
+ msta->airtime_ac[i] =
+ mt7915_mac_wtbl_lmac_read(dev, idx, 20 + i);
+ msta->airtime_ac[i + IEEE80211_NUM_ACS] =
+ mt7915_mac_wtbl_lmac_read(dev, idx, 21 + i);
+ tx_time[i] = msta->airtime_ac[i] - tx_last;
+ rx_time[i] = msta->airtime_ac[i + IEEE80211_NUM_ACS] -
+ rx_last;
+
+ if ((tx_last | rx_last) & BIT(30))
+ clear = true;
+ }
+
+ if (clear) {
+ mt7915_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+ memset(msta->airtime_ac, 0, sizeof(msta->airtime_ac));
+ }
+
+ if (!msta->wcid.sta)
+ continue;
+
+ sta = container_of((void *)msta, struct ieee80211_sta,
+ drv_priv);
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ u32 tx_cur = tx_time[i];
+ u32 rx_cur = rx_time[hw_queue_map[i]];
+ u8 tid = ac_to_tid[i];
+
+ if (!tx_cur && !rx_cur)
+ continue;
+
+ ieee80211_sta_register_airtime(sta, tid, tx_cur,
+ rx_cur);
+ }
+ }
+
+ rcu_read_unlock();
+}
+
+static void
+mt7915_mac_decode_he_radiotap_ru(struct mt76_rx_status *status,
+ struct mt7915_rxv *rxv,
+ struct ieee80211_radiotap_he *he)
+{
+ u32 ru_h, ru_l;
+ u8 ru, offs = 0;
+
+ ru_l = FIELD_GET(MT_PRXV_HE_RU_ALLOC_L, le32_to_cpu(rxv->v[0]));
+ ru_h = FIELD_GET(MT_PRXV_HE_RU_ALLOC_H, le32_to_cpu(rxv->v[1]));
+ ru = (u8)(ru_l | ru_h << 4);
+
+ status->bw = RATE_INFO_BW_HE_RU;
+
+ switch (ru) {
+ case 0 ... 36:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_26;
+ offs = ru;
+ break;
+ case 37 ... 52:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_52;
+ offs = ru - 37;
+ break;
+ case 53 ... 60:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ offs = ru - 53;
+ break;
+ case 61 ... 64:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_242;
+ offs = ru - 61;
+ break;
+ case 65 ... 66:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_484;
+ offs = ru - 65;
+ break;
+ case 67:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_996;
+ break;
+ case 68:
+ status->he_ru = NL80211_RATE_INFO_HE_RU_ALLOC_2x996;
+ break;
+ }
+
+ he->data1 |= HE_BITS(DATA1_BW_RU_ALLOC_KNOWN);
+ he->data2 |= HE_BITS(DATA2_RU_OFFSET_KNOWN) |
+ le16_encode_bits(offs,
+ IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET);
+}
+
+static void
+mt7915_mac_decode_he_radiotap(struct sk_buff *skb,
+ struct mt76_rx_status *status,
+ struct mt7915_rxv *rxv)
+{
+ /* TODO: struct ieee80211_radiotap_he_mu */
+ static const struct ieee80211_radiotap_he known = {
+ .data1 = HE_BITS(DATA1_DATA_MCS_KNOWN) |
+ HE_BITS(DATA1_DATA_DCM_KNOWN) |
+ HE_BITS(DATA1_STBC_KNOWN) |
+ HE_BITS(DATA1_CODING_KNOWN) |
+ HE_BITS(DATA1_LDPC_XSYMSEG_KNOWN) |
+ HE_BITS(DATA1_DOPPLER_KNOWN) |
+ HE_BITS(DATA1_BSS_COLOR_KNOWN),
+ .data2 = HE_BITS(DATA2_GI_KNOWN) |
+ HE_BITS(DATA2_TXBF_KNOWN) |
+ HE_BITS(DATA2_PE_DISAMBIG_KNOWN) |
+ HE_BITS(DATA2_TXOP_KNOWN),
+ };
+ struct ieee80211_radiotap_he *he = NULL;
+ __le32 v2 = rxv->v[2];
+ __le32 v11 = rxv->v[11];
+ __le32 v14 = rxv->v[14];
+ u32 ltf_size = le32_get_bits(v2, MT_CRXV_HE_LTF_SIZE) + 1;
+
+ he = skb_push(skb, sizeof(known));
+ memcpy(he, &known, sizeof(known));
+
+ he->data3 = HE_PREP(DATA3_BSS_COLOR, BSS_COLOR, v14) |
+ HE_PREP(DATA3_LDPC_XSYMSEG, LDPC_EXT_SYM, v2);
+ he->data5 = HE_PREP(DATA5_PE_DISAMBIG, PE_DISAMBIG, v2) |
+ le16_encode_bits(ltf_size,
+ IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE);
+ he->data6 = HE_PREP(DATA6_TXOP, TXOP_DUR, v14) |
+ HE_PREP(DATA6_DOPPLER, DOPPLER, v14);
+
+ switch (rxv->phy) {
+ case MT_PHY_TYPE_HE_SU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_SU) |
+ HE_BITS(DATA1_UL_DL_KNOWN) |
+ HE_BITS(DATA1_BEAM_CHANGE_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_BEAM_CHANGE, BEAM_CHNG, v14) |
+ HE_PREP(DATA3_UL_DL, UPLINK, v2);
+ he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, v11);
+ break;
+ case MT_PHY_TYPE_HE_EXT_SU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_EXT_SU) |
+ HE_BITS(DATA1_UL_DL_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, v2);
+ break;
+ case MT_PHY_TYPE_HE_MU:
+ he->data1 |= HE_BITS(DATA1_FORMAT_MU) |
+ HE_BITS(DATA1_UL_DL_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE_KNOWN);
+
+ he->data3 |= HE_PREP(DATA3_UL_DL, UPLINK, v2);
+ he->data4 |= HE_PREP(DATA4_SU_MU_SPTL_REUSE, SR_MASK, v11);
+
+ mt7915_mac_decode_he_radiotap_ru(status, rxv, he);
+ break;
+ case MT_PHY_TYPE_HE_TB:
+ he->data1 |= HE_BITS(DATA1_FORMAT_TRIG) |
+ HE_BITS(DATA1_SPTL_REUSE_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE2_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE3_KNOWN) |
+ HE_BITS(DATA1_SPTL_REUSE4_KNOWN);
+
+ he->data4 |= HE_PREP(DATA4_TB_SPTL_REUSE1, SR_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE2, SR1_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE3, SR2_MASK, v11) |
+ HE_PREP(DATA4_TB_SPTL_REUSE4, SR3_MASK, v11);
+
+ mt7915_mac_decode_he_radiotap_ru(status, rxv, he);
+ break;
+ default:
+ break;
+ }
+}
+
+int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt76_rx_status *status = (struct mt76_rx_status *)skb->cb;
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt7915_phy *phy = &dev->phy;
+ struct ieee80211_supported_band *sband;
+ struct ieee80211_hdr *hdr;
+ struct mt7915_rxv rxv = {};
+ __le32 *rxd = (__le32 *)skb->data;
+ u32 rxd1 = le32_to_cpu(rxd[1]);
+ u32 rxd2 = le32_to_cpu(rxd[2]);
+ u32 rxd3 = le32_to_cpu(rxd[3]);
+ bool unicast, insert_ccmp_hdr = false;
+ u8 remove_pad;
+ int i, idx;
+
+ memset(status, 0, sizeof(*status));
+
+ if (rxd1 & MT_RXD1_NORMAL_BAND_IDX) {
+ mphy = dev->mt76.phy2;
+ if (!mphy)
+ return -EINVAL;
+
+ phy = mphy->priv;
+ status->ext_phy = true;
+ }
+
+ if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
+ return -EINVAL;
+
+ unicast = FIELD_GET(MT_RXD3_NORMAL_ADDR_TYPE, rxd3) == MT_RXD3_NORMAL_U2M;
+ idx = FIELD_GET(MT_RXD1_NORMAL_WLAN_IDX, rxd1);
+ status->wcid = mt7915_rx_get_wcid(dev, idx, unicast);
+
+ if (status->wcid) {
+ struct mt7915_sta *msta;
+
+ msta = container_of(status->wcid, struct mt7915_sta, wcid);
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&msta->poll_list))
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+ }
+
+ status->freq = mphy->chandef.chan->center_freq;
+ status->band = mphy->chandef.chan->band;
+ if (status->band == NL80211_BAND_5GHZ)
+ sband = &mphy->sband_5g.sband;
+ else
+ sband = &mphy->sband_2g.sband;
+
+ if (!sband->channels)
+ return -EINVAL;
+
+ if (rxd1 & MT_RXD1_NORMAL_FCS_ERR)
+ status->flag |= RX_FLAG_FAILED_FCS_CRC;
+
+ if (rxd1 & MT_RXD1_NORMAL_TKIP_MIC_ERR)
+ status->flag |= RX_FLAG_MMIC_ERROR;
+
+ if (FIELD_GET(MT_RXD1_NORMAL_SEC_MODE, rxd1) != 0 &&
+ !(rxd1 & (MT_RXD1_NORMAL_CLM | MT_RXD1_NORMAL_CM))) {
+ status->flag |= RX_FLAG_DECRYPTED;
+ status->flag |= RX_FLAG_IV_STRIPPED;
+ status->flag |= RX_FLAG_MMIC_STRIPPED | RX_FLAG_MIC_STRIPPED;
+ }
+
+ if (!(rxd2 & MT_RXD2_NORMAL_NON_AMPDU)) {
+ status->flag |= RX_FLAG_AMPDU_DETAILS;
+
+ /* all subframes of an A-MPDU have the same timestamp */
+ if (phy->rx_ampdu_ts != rxd[14]) {
+ if (!++phy->ampdu_ref)
+ phy->ampdu_ref++;
+ }
+ phy->rx_ampdu_ts = rxd[14];
+
+ status->ampdu_ref = phy->ampdu_ref;
+ }
+
+ remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
+
+ if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
+ return -EINVAL;
+
+ rxd += 6;
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
+ u8 *data = (u8 *)rxd;
+
+ if (status->flag & RX_FLAG_DECRYPTED) {
+ status->iv[0] = data[5];
+ status->iv[1] = data[4];
+ status->iv[2] = data[3];
+ status->iv[3] = data[2];
+ status->iv[4] = data[1];
+ status->iv[5] = data[0];
+
+ insert_ccmp_hdr = FIELD_GET(MT_RXD2_NORMAL_FRAG, rxd2);
+ }
+ rxd += 4;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
+ rxd += 2;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+ }
+
+ /* RXD Group 3 - P-RXV */
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_3) {
+ u32 v0, v1, v2;
+
+ memcpy(rxv.v, rxd, sizeof(rxv.v));
+
+ rxd += 2;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+
+ v0 = le32_to_cpu(rxv.v[0]);
+ v1 = le32_to_cpu(rxv.v[1]);
+ v2 = le32_to_cpu(rxv.v[2]);
+
+ if (v0 & MT_PRXV_HT_AD_CODE)
+ status->enc_flags |= RX_ENC_FLAG_LDPC;
+
+ status->chains = mphy->antenna_mask;
+ status->chain_signal[0] = to_rssi(MT_PRXV_RCPI0, v1);
+ status->chain_signal[1] = to_rssi(MT_PRXV_RCPI1, v1);
+ status->chain_signal[2] = to_rssi(MT_PRXV_RCPI2, v1);
+ status->chain_signal[3] = to_rssi(MT_PRXV_RCPI3, v1);
+ status->signal = status->chain_signal[0];
+
+ for (i = 1; i < hweight8(mphy->antenna_mask); i++) {
+ if (!(status->chains & BIT(i)))
+ continue;
+
+ status->signal = max(status->signal,
+ status->chain_signal[i]);
+ }
+
+ /* RXD Group 5 - C-RXV */
+ if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
+ u8 stbc = FIELD_GET(MT_CRXV_HT_STBC, v2);
+ u8 gi = FIELD_GET(MT_CRXV_HT_SHORT_GI, v2);
+ bool cck = false;
+
+ rxd += 18;
+ if ((u8 *)rxd - skb->data >= skb->len)
+ return -EINVAL;
+
+ idx = i = FIELD_GET(MT_PRXV_TX_RATE, v0);
+ rxv.phy = FIELD_GET(MT_CRXV_TX_MODE, v2);
+
+ switch (rxv.phy) {
+ case MT_PHY_TYPE_CCK:
+ cck = true;
+ /* fall through */
+ case MT_PHY_TYPE_OFDM:
+ i = mt76_get_rate(&dev->mt76, sband, i, cck);
+ break;
+ case MT_PHY_TYPE_HT_GF:
+ case MT_PHY_TYPE_HT:
+ status->encoding = RX_ENC_HT;
+ if (i > 31)
+ return -EINVAL;
+ break;
+ case MT_PHY_TYPE_VHT:
+ status->nss =
+ FIELD_GET(MT_PRXV_NSTS, v0) + 1;
+ status->encoding = RX_ENC_VHT;
+ if (i > 9)
+ return -EINVAL;
+ break;
+ case MT_PHY_TYPE_HE_MU:
+ status->flag |= RX_FLAG_RADIOTAP_HE_MU;
+ /* fall through */
+ case MT_PHY_TYPE_HE_SU:
+ case MT_PHY_TYPE_HE_EXT_SU:
+ case MT_PHY_TYPE_HE_TB:
+ status->nss =
+ FIELD_GET(MT_PRXV_NSTS, v0) + 1;
+ status->encoding = RX_ENC_HE;
+ status->flag |= RX_FLAG_RADIOTAP_HE;
+ i &= GENMASK(3, 0);
+
+ if (gi <= NL80211_RATE_INFO_HE_GI_3_2)
+ status->he_gi = gi;
+
+ if (idx & MT_PRXV_TX_DCM)
+ status->he_dcm = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+ status->rate_idx = i;
+
+ switch (FIELD_GET(MT_CRXV_FRAME_MODE, v2)) {
+ case IEEE80211_STA_RX_BW_20:
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ if (rxv.phy & MT_PHY_TYPE_HE_EXT_SU &&
+ (idx & MT_PRXV_TX_ER_SU_106T)) {
+ status->bw = RATE_INFO_BW_HE_RU;
+ status->he_ru =
+ NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ } else {
+ status->bw = RATE_INFO_BW_40;
+ }
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ status->bw = RATE_INFO_BW_80;
+ break;
+ case IEEE80211_STA_RX_BW_160:
+ status->bw = RATE_INFO_BW_160;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ status->enc_flags |= RX_ENC_FLAG_STBC_MASK * stbc;
+ if (rxv.phy < MT_PHY_TYPE_HE_SU && gi)
+ status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+ }
+ }
+
+ skb_pull(skb, (u8 *)rxd - skb->data + 2 * remove_pad);
+
+ if (insert_ccmp_hdr) {
+ u8 key_id = FIELD_GET(MT_RXD1_NORMAL_KEY_ID, rxd1);
+
+ mt76_insert_ccmp_hdr(skb, key_id);
+ }
+
+ if (status->flag & RX_FLAG_RADIOTAP_HE)
+ mt7915_mac_decode_he_radiotap(skb, status, &rxv);
+
+ hdr = mt76_skb_get_hdr(skb);
+ if (!status->wcid || !ieee80211_is_data_qos(hdr->frame_control))
+ return 0;
+
+ status->aggr = unicast &&
+ !ieee80211_is_qos_nullfunc(hdr->frame_control);
+ status->tid = *ieee80211_get_qos_ctl(hdr) & IEEE80211_QOS_CTL_TID_MASK;
+ status->seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+
+ return 0;
+}
+
+void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_key_conf *key, bool beacon)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ bool multicast = is_multicast_ether_addr(hdr->addr1);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_phy *mphy = &dev->mphy;
+ bool ext_phy = info->hw_queue & MT_TX_HW_QUEUE_EXT_PHY;
+ u8 fc_type, fc_stype, p_fmt, q_idx, omac_idx = 0, wmm_idx = 0;
+ __le16 fc = hdr->frame_control;
+ u16 tx_count = 4, seqno = 0;
+ u32 val;
+
+ if (vif) {
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+ omac_idx = mvif->omac_idx;
+ wmm_idx = mvif->wmm_idx;
+ }
+
+ if (ext_phy && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+
+ fc_type = (le16_to_cpu(fc) & IEEE80211_FCTL_FTYPE) >> 2;
+ fc_stype = (le16_to_cpu(fc) & IEEE80211_FCTL_STYPE) >> 4;
+
+ if (ieee80211_is_data(fc) || ieee80211_is_bufferable_mmpdu(fc)) {
+ q_idx = wmm_idx * MT7915_MAX_WMM_SETS +
+ skb_get_queue_mapping(skb);
+ p_fmt = MT_TX_TYPE_CT;
+ } else if (beacon) {
+ q_idx = MT_LMAC_BCN0;
+ p_fmt = MT_TX_TYPE_FW;
+ } else {
+ q_idx = MT_LMAC_ALTX0;
+ p_fmt = MT_TX_TYPE_CT;
+ }
+
+ val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len + MT_TXD_SIZE) |
+ FIELD_PREP(MT_TXD0_PKT_FMT, p_fmt) |
+ FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
+ txwi[0] = cpu_to_le32(val);
+
+ val = MT_TXD1_LONG_FORMAT |
+ FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
+ FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_802_11) |
+ FIELD_PREP(MT_TXD1_HDR_INFO,
+ ieee80211_get_hdrlen_from_skb(skb) / 2) |
+ FIELD_PREP(MT_TXD1_TID,
+ skb->priority & IEEE80211_QOS_CTL_TID_MASK) |
+ FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
+ if (ext_phy && q_idx >= MT_LMAC_ALTX0 && q_idx <= MT_LMAC_BCN0)
+ val |= MT_TXD1_TGID;
+
+ txwi[1] = cpu_to_le32(val);
+
+ val = FIELD_PREP(MT_TXD2_FRAME_TYPE, fc_type) |
+ FIELD_PREP(MT_TXD2_SUB_TYPE, fc_stype) |
+ FIELD_PREP(MT_TXD2_MULTICAST, multicast);
+ if (key) {
+ if (multicast && ieee80211_is_robust_mgmt_frame(skb) &&
+ key->cipher == WLAN_CIPHER_SUITE_AES_CMAC) {
+ val |= MT_TXD2_BIP;
+ txwi[3] = 0;
+ } else {
+ txwi[3] = cpu_to_le32(MT_TXD3_PROTECT_FRAME);
+ }
+ } else {
+ txwi[3] = 0;
+ }
+ txwi[2] = cpu_to_le32(val);
+
+ txwi[4] = 0;
+ txwi[5] = 0;
+ txwi[6] = 0;
+
+ if (!ieee80211_is_data(fc) || multicast) {
+ u16 rate;
+
+ /* hardware won't add HTC for mgmt/ctrl frame */
+ txwi[2] |= cpu_to_le32(MT_TXD2_FIX_RATE | MT_TXD2_HTC_VLD);
+
+ if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+ rate = MT7915_5G_RATE_DEFAULT;
+ else
+ rate = MT7915_2G_RATE_DEFAULT;
+
+ val = MT_TXD6_FIXED_BW |
+ FIELD_PREP(MT_TXD6_TX_RATE, rate);
+ txwi[6] |= cpu_to_le32(val);
+ txwi[3] |= cpu_to_le32(MT_TXD3_BA_DISABLE);
+ }
+
+ if (!ieee80211_is_beacon(fc))
+ txwi[3] |= cpu_to_le32(MT_TXD3_SW_POWER_MGMT);
+ else
+ tx_count = 0x1f;
+
+ if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+ txwi[3] |= cpu_to_le32(MT_TXD3_NO_ACK);
+
+ val = FIELD_PREP(MT_TXD7_TYPE, fc_type) |
+ FIELD_PREP(MT_TXD7_SUB_TYPE, fc_stype);
+ txwi[7] = cpu_to_le32(val);
+
+ val = FIELD_PREP(MT_TXD3_REM_TX_COUNT, tx_count);
+ if (ieee80211_is_data_qos(fc)) {
+ seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
+ val |= MT_TXD3_SN_VALID;
+ } else if (ieee80211_is_back_req(fc)) {
+ struct ieee80211_bar *bar;
+
+ bar = (struct ieee80211_bar *)skb->data;
+ seqno = IEEE80211_SEQ_TO_SN(le16_to_cpu(bar->start_seq_num));
+ val |= MT_TXD3_SN_VALID;
+ }
+ val |= FIELD_PREP(MT_TXD3_SEQ, seqno);
+ txwi[3] |= cpu_to_le32(val);
+}
+
+int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx_info->skb->data;
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx_info->skb);
+ struct ieee80211_key_conf *key = info->control.hw_key;
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_tx_cb *cb = mt76_tx_skb_cb(tx_info->skb);
+ struct mt76_txwi_cache *t;
+ struct mt7915_txp *txp;
+ int id, i, nbuf = tx_info->nbuf - 1;
+ u8 *txwi = (u8 *)txwi_ptr;
+
+ if (!wcid)
+ wcid = &dev->mt76.global_wcid;
+
+ cb->wcid = wcid->idx;
+
+ mt7915_mac_write_txwi(dev, txwi_ptr, tx_info->skb, wcid, key,
+ false);
+
+ txp = (struct mt7915_txp *)(txwi + MT_TXD_SIZE);
+ for (i = 0; i < nbuf; i++) {
+ txp->buf[i] = cpu_to_le32(tx_info->buf[i + 1].addr);
+ txp->len[i] = cpu_to_le16(tx_info->buf[i + 1].len);
+ }
+ txp->nbuf = nbuf;
+
+ /* pass partial skb header to fw */
+ tx_info->buf[1].len = MT_CT_PARSE_LEN;
+ tx_info->nbuf = MT_CT_DMA_BUF_NUM;
+
+ txp->flags = cpu_to_le16(MT_CT_INFO_APPLY_TXD);
+
+ if (!key)
+ txp->flags |= cpu_to_le16(MT_CT_INFO_NONE_CIPHER_FRAME);
+
+ if (ieee80211_is_mgmt(hdr->frame_control))
+ txp->flags |= cpu_to_le16(MT_CT_INFO_MGMT_FRAME);
+
+ if (vif) {
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+ txp->bss_idx = mvif->idx;
+ }
+
+ t = (struct mt76_txwi_cache *)(txwi + mdev->drv->txwi_size);
+ t->skb = tx_info->skb;
+
+ spin_lock_bh(&dev->token_lock);
+ id = idr_alloc(&dev->token, t, 0, MT7915_TOKEN_SIZE, GFP_ATOMIC);
+ spin_unlock_bh(&dev->token_lock);
+ if (id < 0)
+ return id;
+
+ txp->token = cpu_to_le16(id);
+ txp->rept_wds_wcid = 0xff;
+ tx_info->skb = DMA_DUMMY_DATA;
+
+ return 0;
+}
+
+static inline bool
+mt7915_tx_check_aggr_tid(struct mt7915_sta *msta, u8 tid)
+{
+ bool ret = false;
+
+ spin_lock_bh(&msta->ampdu_lock);
+ if (msta->ampdu_state[tid] == MT7915_AGGR_STOP)
+ ret = true;
+ spin_unlock_bh(&msta->ampdu_lock);
+
+ return ret;
+}
+
+static void
+mt7915_tx_check_aggr(struct ieee80211_sta *sta, struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+ struct mt7915_sta *msta;
+ u16 tid;
+
+ if (!sta->ht_cap.ht_supported)
+ return;
+
+ if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
+ return;
+
+ if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
+ return;
+
+ if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE)))
+ return;
+
+ msta = (struct mt7915_sta *)sta->drv_priv;
+ tid = ieee80211_get_tid(hdr);
+
+ if (mt7915_tx_check_aggr_tid(msta, tid)) {
+ ieee80211_start_tx_ba_session(sta, tid, 0);
+ mt7915_set_aggr_state(msta, tid, MT7915_AGGR_PROGRESS);
+ }
+}
+
+static inline void
+mt7915_tx_status(struct ieee80211_sta *sta, struct ieee80211_hw *hw,
+ struct ieee80211_tx_info *info, struct sk_buff *skb)
+{
+ struct ieee80211_tx_status status = {
+ .sta = sta,
+ .info = info,
+ };
+
+ if (skb)
+ status.skb = skb;
+
+ if (sta) {
+ struct mt7915_sta *msta;
+
+ msta = (struct mt7915_sta *)sta->drv_priv;
+ status.rate = &msta->stats.tx_rate;
+ }
+
+ /* use status_ext to report HE rate */
+ ieee80211_tx_status_ext(hw, &status);
+}
+
+static void
+mt7915_tx_complete_status(struct mt76_dev *mdev, struct sk_buff *skb,
+ struct ieee80211_sta *sta, u8 stat)
+{
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_hw *hw;
+
+ hw = mt76_tx_status_get_hw(mdev, skb);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
+ info->flags |= IEEE80211_TX_STAT_AMPDU;
+ else if (sta)
+ mt7915_tx_check_aggr(sta, skb);
+
+ if (stat)
+ ieee80211_tx_info_clear_status(info);
+
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ info->flags |= IEEE80211_TX_STAT_ACK;
+
+ info->status.tx_time = 0;
+
+ if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) {
+ mt7915_tx_status(sta, hw, info, skb);
+ return;
+ }
+
+ if (sta || !(info->flags & IEEE80211_TX_CTL_NO_ACK))
+ mt7915_tx_status(sta, hw, info, NULL);
+
+ dev_kfree_skb(skb);
+}
+
+void mt7915_txp_skb_unmap(struct mt76_dev *dev,
+ struct mt76_txwi_cache *t)
+{
+ struct mt7915_txp *txp;
+ int i;
+
+ txp = mt7915_txwi_to_txp(dev, t);
+ for (i = 1; i < txp->nbuf; i++)
+ dma_unmap_single(dev->dev, le32_to_cpu(txp->buf[i]),
+ le16_to_cpu(txp->len[i]), DMA_TO_DEVICE);
+}
+
+void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_tx_free *free = (struct mt7915_tx_free *)skb->data;
+ struct mt76_dev *mdev = &dev->mt76;
+ struct mt76_txwi_cache *txwi;
+ struct ieee80211_sta *sta = NULL;
+ u8 i, count;
+
+ /*
+ * TODO: MT_TX_FREE_LATENCY is msdu time from the TXD is queued into PLE,
+ * to the time ack is received or dropped by hw (air + hw queue time).
+ * Should avoid accessing WTBL to get Tx airtime, and use it instead.
+ */
+ count = FIELD_GET(MT_TX_FREE_MSDU_CNT, le16_to_cpu(free->ctrl));
+ for (i = 0; i < count; i++) {
+ u32 msdu, info = le32_to_cpu(free->info[i]);
+ u8 stat;
+
+ /*
+ * 1'b1: new wcid pair.
+ * 1'b0: msdu_id with the same 'wcid pair' as above.
+ */
+ if (info & MT_TX_FREE_PAIR) {
+ struct mt7915_sta *msta;
+ struct mt76_wcid *wcid;
+ u16 idx;
+
+ count++;
+ idx = FIELD_GET(MT_TX_FREE_WLAN_ID, info);
+ wcid = rcu_dereference(dev->mt76.wcid[idx]);
+ sta = wcid_to_sta(wcid);
+ if (!sta)
+ continue;
+
+ msta = container_of(wcid, struct mt7915_sta, wcid);
+ ieee80211_queue_work(mt76_hw(dev), &msta->stats_work);
+ continue;
+ }
+
+ msdu = FIELD_GET(MT_TX_FREE_MSDU_ID, info);
+ stat = FIELD_GET(MT_TX_FREE_STATUS, info);
+
+ spin_lock_bh(&dev->token_lock);
+ txwi = idr_remove(&dev->token, msdu);
+ spin_unlock_bh(&dev->token_lock);
+
+ if (!txwi)
+ continue;
+
+ mt7915_txp_skb_unmap(mdev, txwi);
+ if (txwi->skb) {
+ mt7915_tx_complete_status(mdev, txwi->skb, sta, stat);
+ txwi->skb = NULL;
+ }
+
+ mt76_put_txwi(mdev, txwi);
+ }
+ dev_kfree_skb(skb);
+}
+
+void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+ struct mt76_queue_entry *e)
+{
+ struct mt7915_dev *dev;
+
+ if (!e->txwi) {
+ dev_kfree_skb_any(e->skb);
+ return;
+ }
+
+ dev = container_of(mdev, struct mt7915_dev, mt76);
+
+ /* error path */
+ if (e->skb == DMA_DUMMY_DATA) {
+ struct mt76_txwi_cache *t;
+ struct mt7915_txp *txp;
+
+ txp = mt7915_txwi_to_txp(mdev, e->txwi);
+
+ spin_lock_bh(&dev->token_lock);
+ t = idr_remove(&dev->token, le16_to_cpu(txp->token));
+ spin_unlock_bh(&dev->token_lock);
+ e->skb = t ? t->skb : NULL;
+ }
+
+ if (e->skb) {
+ struct mt76_tx_cb *cb = mt76_tx_skb_cb(e->skb);
+ struct mt76_wcid *wcid;
+
+ wcid = rcu_dereference(dev->mt76.wcid[cb->wcid]);
+
+ mt7915_tx_complete_status(mdev, e->skb, wcid_to_sta(wcid), 0);
+ }
+}
+
+void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ u32 reg = MT_WF_PHY_RX_CTRL1(ext_phy);
+
+ mt7915_l2_clear(dev, reg, MT_WF_PHY_RX_CTRL1_STSCNT_EN);
+ mt7915_l2_set(dev, reg, BIT(11) | BIT(9));
+}
+
+void mt7915_mac_reset_counters(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ int i;
+
+ for (i = 0; i < 4; i++) {
+ mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i));
+ mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i));
+ }
+
+ if (ext_phy) {
+ dev->mt76.phy2->survey_time = ktime_get_boottime();
+ i = ARRAY_SIZE(dev->mt76.aggr_stats) / 2;
+ } else {
+ dev->mt76.phy.survey_time = ktime_get_boottime();
+ i = 0;
+ }
+ memset(&dev->mt76.aggr_stats[i], 0, sizeof(dev->mt76.aggr_stats) / 2);
+
+ /* reset airtime counters */
+ mt76_rr(dev, MT_MIB_SDR9(ext_phy));
+ mt76_rr(dev, MT_MIB_SDR36(ext_phy));
+ mt76_rr(dev, MT_MIB_SDR37(ext_phy));
+
+ mt76_set(dev, MT_WF_RMAC_MIB_TIME0(ext_phy),
+ MT_WF_RMAC_MIB_RXTIME_CLR);
+ mt76_set(dev, MT_WF_RMAC_MIB_AIRTIME0(ext_phy),
+ MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+void mt7915_mac_set_timing(struct mt7915_phy *phy)
+{
+ s16 coverage_class = phy->coverage_class;
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ u32 val, reg_offset;
+ u32 cck = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 231) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, 48);
+ u32 ofdm = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, 60) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, 28);
+ int sifs, offset;
+ bool is_5ghz = phy->mt76->chandef.chan->band == NL80211_BAND_5GHZ;
+
+ if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
+ return;
+
+ if (is_5ghz)
+ sifs = 16;
+ else
+ sifs = 10;
+
+ if (ext_phy) {
+ coverage_class = max_t(s16, dev->phy.coverage_class,
+ coverage_class);
+ } else {
+ struct mt7915_phy *phy_ext = mt7915_ext_phy(dev);
+
+ if (phy_ext)
+ coverage_class = max_t(s16, phy_ext->coverage_class,
+ coverage_class);
+ }
+ mt76_set(dev, MT_ARB_SCR(ext_phy),
+ MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+ udelay(1);
+
+ offset = 3 * coverage_class;
+ reg_offset = FIELD_PREP(MT_TIMEOUT_VAL_PLCP, offset) |
+ FIELD_PREP(MT_TIMEOUT_VAL_CCA, offset);
+
+ mt76_wr(dev, MT_TMAC_CDTR(ext_phy), cck + reg_offset);
+ mt76_wr(dev, MT_TMAC_ODTR(ext_phy), ofdm + reg_offset);
+ mt76_wr(dev, MT_TMAC_ICR0(ext_phy),
+ FIELD_PREP(MT_IFS_EIFS, 360) |
+ FIELD_PREP(MT_IFS_RIFS, 2) |
+ FIELD_PREP(MT_IFS_SIFS, sifs) |
+ FIELD_PREP(MT_IFS_SLOT, phy->slottime));
+
+ if (phy->slottime < 20 || is_5ghz)
+ val = MT7915_CFEND_RATE_DEFAULT;
+ else
+ val = MT7915_CFEND_RATE_11B;
+
+ mt76_rmw_field(dev, MT_AGG_ACR0(ext_phy), MT_AGG_ACR_CFEND_RATE, val);
+ mt76_clear(dev, MT_ARB_SCR(ext_phy),
+ MT_ARB_SCR_TX_DISABLE | MT_ARB_SCR_RX_DISABLE);
+}
+
+/*
+ * TODO: mib counters are read-clear and there're many HE functionalities need
+ * such info, hence firmware prepares a task to read the fields out to a shared
+ * structure. User should switch to use event format to avoid race condition.
+ */
+static void
+mt7915_phy_update_channel(struct mt76_phy *mphy, int idx)
+{
+ struct mt7915_dev *dev = container_of(mphy->dev, struct mt7915_dev, mt76);
+ struct mt76_channel_state *state;
+ u64 busy_time, tx_time, rx_time, obss_time;
+
+ busy_time = mt76_get_field(dev, MT_MIB_SDR9(idx),
+ MT_MIB_SDR9_BUSY_MASK);
+ tx_time = mt76_get_field(dev, MT_MIB_SDR36(idx),
+ MT_MIB_SDR36_TXTIME_MASK);
+ rx_time = mt76_get_field(dev, MT_MIB_SDR37(idx),
+ MT_MIB_SDR37_RXTIME_MASK);
+ obss_time = mt76_get_field(dev, MT_WF_RMAC_MIB_AIRTIME14(idx),
+ MT_MIB_OBSSTIME_MASK);
+
+ /* TODO: state->noise */
+ state = mphy->chan_state;
+ state->cc_busy += busy_time;
+ state->cc_tx += tx_time;
+ state->cc_rx += rx_time + obss_time;
+ state->cc_bss_rx += rx_time;
+}
+
+void mt7915_update_channel(struct mt76_dev *mdev)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+ mt7915_phy_update_channel(&mdev->phy, 0);
+ if (mdev->phy2)
+ mt7915_phy_update_channel(mdev->phy2, 1);
+
+ /* reset obss airtime */
+ mt76_set(dev, MT_WF_RMAC_MIB_TIME0(0), MT_WF_RMAC_MIB_RXTIME_CLR);
+ if (mdev->phy2)
+ mt76_set(dev, MT_WF_RMAC_MIB_TIME0(1),
+ MT_WF_RMAC_MIB_RXTIME_CLR);
+}
+
+static bool
+mt7915_wait_reset_state(struct mt7915_dev *dev, u32 state)
+{
+ bool ret;
+
+ ret = wait_event_timeout(dev->reset_wait,
+ (READ_ONCE(dev->reset_state) & state),
+ MT7915_RESET_TIMEOUT);
+
+ WARN(!ret, "Timeout waiting for MCU reset state %x\n", state);
+ return ret;
+}
+
+static void
+mt7915_update_vif_beacon(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ struct ieee80211_hw *hw = priv;
+
+ mt7915_mcu_add_beacon(hw, vif, vif->bss_conf.enable_beacon);
+}
+
+static void
+mt7915_update_beacons(struct mt7915_dev *dev)
+{
+ ieee80211_iterate_active_interfaces(dev->mt76.hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7915_update_vif_beacon, dev->mt76.hw);
+
+ if (!dev->mt76.phy2)
+ return;
+
+ ieee80211_iterate_active_interfaces(dev->mt76.phy2->hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7915_update_vif_beacon, dev->mt76.phy2->hw);
+}
+
+static void
+mt7915_dma_reset(struct mt7915_dev *dev)
+{
+ int i;
+
+ mt76_clear(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_clear(dev, MT_WFDMA1_GLO_CFG,
+ MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+ usleep_range(1000, 2000);
+
+ for (i = 0; i < __MT_TXQ_MAX; i++)
+ mt76_queue_tx_cleanup(dev, i, true);
+
+ mt76_for_each_q_rx(&dev->mt76, i) {
+ mt76_queue_rx_reset(dev, i);
+ }
+
+ /* re-init prefetch settings after reset */
+ mt7915_dma_prefetch(dev);
+
+ mt76_set(dev, MT_WFDMA0_GLO_CFG,
+ MT_WFDMA0_GLO_CFG_TX_DMA_EN | MT_WFDMA0_GLO_CFG_RX_DMA_EN);
+ mt76_set(dev, MT_WFDMA1_GLO_CFG,
+ MT_WFDMA1_GLO_CFG_TX_DMA_EN | MT_WFDMA1_GLO_CFG_RX_DMA_EN);
+}
+
+/* system error recovery */
+void mt7915_mac_reset_work(struct work_struct *work)
+{
+ struct mt7915_phy *phy2;
+ struct mt76_phy *ext_phy;
+ struct mt7915_dev *dev;
+
+ dev = container_of(work, struct mt7915_dev, reset_work);
+ ext_phy = dev->mt76.phy2;
+ phy2 = ext_phy ? ext_phy->priv : NULL;
+
+ if (!(READ_ONCE(dev->reset_state) & MT_MCU_CMD_STOP_DMA))
+ return;
+
+ ieee80211_stop_queues(mt76_hw(dev));
+ if (ext_phy)
+ ieee80211_stop_queues(ext_phy->hw);
+
+ set_bit(MT76_RESET, &dev->mphy.state);
+ set_bit(MT76_MCU_RESET, &dev->mphy.state);
+ wake_up(&dev->mt76.mcu.wait);
+ cancel_delayed_work_sync(&dev->phy.mac_work);
+ if (phy2)
+ cancel_delayed_work_sync(&phy2->mac_work);
+
+ /* lock/unlock all queues to ensure that no tx is pending */
+ mt76_txq_schedule_all(&dev->mphy);
+ if (ext_phy)
+ mt76_txq_schedule_all(ext_phy);
+
+ tasklet_disable(&dev->mt76.tx_tasklet);
+ napi_disable(&dev->mt76.napi[0]);
+ napi_disable(&dev->mt76.napi[1]);
+ napi_disable(&dev->mt76.napi[2]);
+ napi_disable(&dev->mt76.tx_napi);
+
+ mutex_lock(&dev->mt76.mutex);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_STOPPED);
+
+ if (mt7915_wait_reset_state(dev, MT_MCU_CMD_RESET_DONE)) {
+ mt7915_dma_reset(dev);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_DMA_INIT);
+ mt7915_wait_reset_state(dev, MT_MCU_CMD_RECOVERY_DONE);
+ }
+
+ clear_bit(MT76_MCU_RESET, &dev->mphy.state);
+ clear_bit(MT76_RESET, &dev->mphy.state);
+
+ tasklet_enable(&dev->mt76.tx_tasklet);
+ napi_enable(&dev->mt76.tx_napi);
+ napi_schedule(&dev->mt76.tx_napi);
+
+ napi_enable(&dev->mt76.napi[0]);
+ napi_schedule(&dev->mt76.napi[0]);
+
+ napi_enable(&dev->mt76.napi[1]);
+ napi_schedule(&dev->mt76.napi[1]);
+
+ napi_enable(&dev->mt76.napi[2]);
+ napi_schedule(&dev->mt76.napi[2]);
+
+ ieee80211_wake_queues(mt76_hw(dev));
+ if (ext_phy)
+ ieee80211_wake_queues(ext_phy->hw);
+
+ mt76_wr(dev, MT_MCU_INT_EVENT, MT_MCU_INT_EVENT_RESET_DONE);
+ mt7915_wait_reset_state(dev, MT_MCU_CMD_NORMAL_STATE);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ mt7915_update_beacons(dev);
+
+ ieee80211_queue_delayed_work(mt76_hw(dev), &dev->phy.mac_work,
+ MT7915_WATCHDOG_TIME);
+ if (phy2)
+ ieee80211_queue_delayed_work(ext_phy->hw, &phy2->mac_work,
+ MT7915_WATCHDOG_TIME);
+}
+
+static void
+mt7915_mac_update_mib_stats(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct mib_stats *mib = &phy->mib;
+ bool ext_phy = phy != &dev->phy;
+ int i, aggr0, aggr1;
+
+ memset(mib, 0, sizeof(*mib));
+
+ mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
+ MT_MIB_SDR3_FCS_ERR_MASK);
+
+ aggr0 = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
+ for (i = 0, aggr1 = aggr0 + 4; i < 4; i++) {
+ u32 val, val2;
+
+ val = mt76_rr(dev, MT_MIB_MB_SDR1(ext_phy, i));
+
+ val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
+ if (val2 > mib->ack_fail_cnt)
+ mib->ack_fail_cnt = val2;
+
+ val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
+ if (val2 > mib->ba_miss_cnt)
+ mib->ba_miss_cnt = val2;
+
+ val = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i));
+ val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);
+ if (val2 > mib->rts_retries_cnt) {
+ mib->rts_cnt = FIELD_GET(MT_MIB_RTS_COUNT_MASK, val);
+ mib->rts_retries_cnt = val2;
+ }
+
+ val = mt76_rr(dev, MT_TX_AGG_CNT(ext_phy, i));
+ val2 = mt76_rr(dev, MT_TX_AGG_CNT2(ext_phy, i));
+
+ dev->mt76.aggr_stats[aggr0++] += val & 0xffff;
+ dev->mt76.aggr_stats[aggr0++] += val >> 16;
+ dev->mt76.aggr_stats[aggr1++] += val2 & 0xffff;
+ dev->mt76.aggr_stats[aggr1++] += val2 >> 16;
+ }
+}
+
+void mt7915_mac_sta_stats_work(struct work_struct *work)
+{
+ struct ieee80211_sta *sta;
+ struct ieee80211_vif *vif;
+ struct mt7915_sta_stats *stats;
+ struct mt7915_sta *msta;
+ struct mt7915_dev *dev;
+
+ msta = container_of(work, struct mt7915_sta, stats_work);
+ sta = container_of((void *)msta, struct ieee80211_sta, drv_priv);
+ vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
+ dev = msta->vif->dev;
+ stats = &msta->stats;
+
+ /* use MT_TX_FREE_RATE to report Tx rate for further devices */
+ if (time_after(jiffies, stats->jiffies + HZ)) {
+ mt7915_mcu_get_rate_info(dev, RATE_CTRL_RU_INFO,
+ msta->wcid.idx);
+
+ stats->jiffies = jiffies;
+ }
+
+ if (test_and_clear_bit(IEEE80211_RC_SUPP_RATES_CHANGED |
+ IEEE80211_RC_NSS_CHANGED |
+ IEEE80211_RC_BW_CHANGED, &stats->changed))
+ mt7915_mcu_add_rate_ctrl(dev, vif, sta);
+
+ if (test_and_clear_bit(IEEE80211_RC_SMPS_CHANGED, &stats->changed))
+ mt7915_mcu_add_smps(dev, vif, sta);
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (list_empty(&msta->poll_list))
+ list_add_tail(&msta->poll_list, &dev->sta_poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+void mt7915_mac_work(struct work_struct *work)
+{
+ struct mt7915_phy *phy;
+ struct mt76_dev *mdev;
+
+ phy = (struct mt7915_phy *)container_of(work, struct mt7915_phy,
+ mac_work.work);
+ mdev = &phy->dev->mt76;
+
+ mutex_lock(&mdev->mutex);
+
+ mt76_update_survey(mdev);
+ if (++phy->mac_work_count == 5) {
+ phy->mac_work_count = 0;
+
+ mt7915_mac_update_mib_stats(phy);
+ }
+
+ mutex_unlock(&mdev->mutex);
+
+ ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
+ MT7915_WATCHDOG_TIME);
+}
+
+static void mt7915_dfs_stop_radar_detector(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+
+ if (phy->rdd_state & BIT(0))
+ mt7915_mcu_rdd_cmd(dev, RDD_STOP, 0, MT_RX_SEL0, 0);
+ if (phy->rdd_state & BIT(1))
+ mt7915_mcu_rdd_cmd(dev, RDD_STOP, 1, MT_RX_SEL0, 0);
+}
+
+static int mt7915_dfs_start_rdd(struct mt7915_dev *dev, int chain)
+{
+ int err;
+
+ err = mt7915_mcu_rdd_cmd(dev, RDD_START, chain, MT_RX_SEL0, 0);
+ if (err < 0)
+ return err;
+
+ return mt7915_mcu_rdd_cmd(dev, RDD_DET_MODE, chain, MT_RX_SEL0, 1);
+}
+
+static int mt7915_dfs_start_radar_detector(struct mt7915_phy *phy)
+{
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ int err;
+
+ /* start CAC */
+ err = mt7915_mcu_rdd_cmd(dev, RDD_CAC_START, ext_phy, MT_RX_SEL0, 0);
+ if (err < 0)
+ return err;
+
+ err = mt7915_dfs_start_rdd(dev, ext_phy);
+ if (err < 0)
+ return err;
+
+ phy->rdd_state |= BIT(ext_phy);
+
+ if (chandef->width == NL80211_CHAN_WIDTH_160 ||
+ chandef->width == NL80211_CHAN_WIDTH_80P80) {
+ err = mt7915_dfs_start_rdd(dev, 1);
+ if (err < 0)
+ return err;
+
+ phy->rdd_state |= BIT(1);
+ }
+
+ return 0;
+}
+
+static int
+mt7915_dfs_init_radar_specs(struct mt7915_phy *phy)
+{
+ const struct mt7915_dfs_radar_spec *radar_specs;
+ struct mt7915_dev *dev = phy->dev;
+ int err, i;
+
+ switch (dev->mt76.region) {
+ case NL80211_DFS_FCC:
+ radar_specs = &fcc_radar_specs;
+ err = mt7915_mcu_set_fcc5_lpn(dev, 8);
+ if (err < 0)
+ return err;
+ break;
+ case NL80211_DFS_ETSI:
+ radar_specs = &etsi_radar_specs;
+ break;
+ case NL80211_DFS_JP:
+ radar_specs = &jp_radar_specs;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(radar_specs->radar_pattern); i++) {
+ err = mt7915_mcu_set_radar_th(dev, i,
+ &radar_specs->radar_pattern[i]);
+ if (err < 0)
+ return err;
+ }
+
+ return mt7915_mcu_set_pulse_th(dev, &radar_specs->pulse_th);
+}
+
+int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy)
+{
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ struct mt7915_dev *dev = phy->dev;
+ bool ext_phy = phy != &dev->phy;
+ int err;
+
+ if (dev->mt76.region == NL80211_DFS_UNSET) {
+ phy->dfs_state = -1;
+ if (phy->rdd_state)
+ goto stop;
+
+ return 0;
+ }
+
+ if (test_bit(MT76_SCANNING, &phy->mt76->state))
+ return 0;
+
+ if (phy->dfs_state == chandef->chan->dfs_state)
+ return 0;
+
+ err = mt7915_dfs_init_radar_specs(phy);
+ if (err < 0) {
+ phy->dfs_state = -1;
+ goto stop;
+ }
+
+ phy->dfs_state = chandef->chan->dfs_state;
+
+ if (chandef->chan->flags & IEEE80211_CHAN_RADAR) {
+ if (chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
+ return mt7915_dfs_start_radar_detector(phy);
+
+ return mt7915_mcu_rdd_cmd(dev, RDD_CAC_END, ext_phy,
+ MT_RX_SEL0, 0);
+ }
+
+stop:
+ err = mt7915_mcu_rdd_cmd(dev, RDD_NORMAL_START, ext_phy,
+ MT_RX_SEL0, 0);
+ if (err < 0)
+ return err;
+
+ mt7915_dfs_stop_radar_detector(phy);
+ return 0;
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.h b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
new file mode 100644
index 000000000000..b9bc8b25b031
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.h
@@ -0,0 +1,346 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_MAC_H
+#define __MT7915_MAC_H
+
+#define MT_CT_PARSE_LEN 72
+#define MT_CT_DMA_BUF_NUM 2
+
+#define MT_RXD0_LENGTH GENMASK(15, 0)
+#define MT_RXD0_PKT_TYPE GENMASK(31, 27)
+
+#define MT_RXD0_NORMAL_ETH_TYPE_OFS GENMASK(22, 16)
+#define MT_RXD0_NORMAL_IP_SUM BIT(23)
+#define MT_RXD0_NORMAL_UDP_TCP_SUM BIT(24)
+
+enum rx_pkt_type {
+ PKT_TYPE_TXS,
+ PKT_TYPE_TXRXV,
+ PKT_TYPE_NORMAL,
+ PKT_TYPE_RX_DUP_RFB,
+ PKT_TYPE_RX_TMR,
+ PKT_TYPE_RETRIEVE,
+ PKT_TYPE_TXRX_NOTIFY,
+ PKT_TYPE_RX_EVENT,
+};
+
+/* RXD DW1 */
+#define MT_RXD1_NORMAL_WLAN_IDX GENMASK(9, 0)
+#define MT_RXD1_NORMAL_GROUP_1 BIT(11)
+#define MT_RXD1_NORMAL_GROUP_2 BIT(12)
+#define MT_RXD1_NORMAL_GROUP_3 BIT(13)
+#define MT_RXD1_NORMAL_GROUP_4 BIT(14)
+#define MT_RXD1_NORMAL_GROUP_5 BIT(15)
+#define MT_RXD1_NORMAL_SEC_MODE GENMASK(20, 16)
+#define MT_RXD1_NORMAL_KEY_ID GENMASK(22, 21)
+#define MT_RXD1_NORMAL_CM BIT(23)
+#define MT_RXD1_NORMAL_CLM BIT(24)
+#define MT_RXD1_NORMAL_ICV_ERR BIT(25)
+#define MT_RXD1_NORMAL_TKIP_MIC_ERR BIT(26)
+#define MT_RXD1_NORMAL_FCS_ERR BIT(27)
+#define MT_RXD1_NORMAL_BAND_IDX BIT(28)
+#define MT_RXD1_NORMAL_SPP_EN BIT(29)
+#define MT_RXD1_NORMAL_ADD_OM BIT(30)
+#define MT_RXD1_NORMAL_SEC_DONE BIT(31)
+
+/* RXD DW2 */
+#define MT_RXD2_NORMAL_BSSID GENMASK(5, 0)
+#define MT_RXD2_NORMAL_CO_ANT BIT(6)
+#define MT_RXD2_NORMAL_BF_CQI BIT(7)
+#define MT_RXD2_NORMAL_MAC_HDR_LEN GENMASK(12, 8)
+#define MT_RXD2_NORMAL_HDR_TRANS BIT(13)
+#define MT_RXD2_NORMAL_HDR_OFFSET GENMASK(15, 14)
+#define MT_RXD2_NORMAL_TID GENMASK(19, 16)
+#define MT_RXD2_NORMAL_MU_BAR BIT(21)
+#define MT_RXD2_NORMAL_SW_BIT BIT(22)
+#define MT_RXD2_NORMAL_AMSDU_ERR BIT(23)
+#define MT_RXD2_NORMAL_MAX_LEN_ERROR BIT(24)
+#define MT_RXD2_NORMAL_HDR_TRANS_ERROR BIT(25)
+#define MT_RXD2_NORMAL_INT_FRAME BIT(26)
+#define MT_RXD2_NORMAL_FRAG BIT(27)
+#define MT_RXD2_NORMAL_NULL_FRAME BIT(28)
+#define MT_RXD2_NORMAL_NDATA BIT(29)
+#define MT_RXD2_NORMAL_NON_AMPDU BIT(30)
+#define MT_RXD2_NORMAL_BF_REPORT BIT(31)
+
+/* RXD DW3 */
+#define MT_RXD3_NORMAL_RXV_SEQ GENMASK(7, 0)
+#define MT_RXD3_NORMAL_CH_FREQ GENMASK(15, 8)
+#define MT_RXD3_NORMAL_ADDR_TYPE GENMASK(17, 16)
+#define MT_RXD3_NORMAL_U2M BIT(0)
+#define MT_RXD3_NORMAL_HTC_VLD BIT(0)
+#define MT_RXD3_NORMAL_TSF_COMPARE_LOSS BIT(19)
+#define MT_RXD3_NORMAL_BEACON_MC BIT(20)
+#define MT_RXD3_NORMAL_BEACON_UC BIT(21)
+#define MT_RXD3_NORMAL_AMSDU BIT(22)
+#define MT_RXD3_NORMAL_MESH BIT(23)
+#define MT_RXD3_NORMAL_MHCP BIT(24)
+#define MT_RXD3_NORMAL_NO_INFO_WB BIT(25)
+#define MT_RXD3_NORMAL_DISABLE_RX_HDR_TRANS BIT(26)
+#define MT_RXD3_NORMAL_POWER_SAVE_STAT BIT(27)
+#define MT_RXD3_NORMAL_MORE BIT(28)
+#define MT_RXD3_NORMAL_UNWANT BIT(29)
+#define MT_RXD3_NORMAL_RX_DROP BIT(30)
+#define MT_RXD3_NORMAL_VLAN2ETH BIT(31)
+
+/* RXD DW4 */
+#define MT_RXD4_NORMAL_PAYLOAD_FORMAT GENMASK(1, 0)
+#define MT_RXD4_NORMAL_PATTERN_DROP BIT(9)
+#define MT_RXD4_NORMAL_CLS BIT(10)
+#define MT_RXD4_NORMAL_OFLD GENMASK(12, 11)
+#define MT_RXD4_NORMAL_MAGIC_PKT BIT(13)
+#define MT_RXD4_NORMAL_WOL GENMASK(18, 14)
+#define MT_RXD4_NORMAL_CLS_BITMAP GENMASK(28, 19)
+#define MT_RXD3_NORMAL_PF_MODE BIT(29)
+#define MT_RXD3_NORMAL_PF_STS GENMASK(31, 30)
+
+/* P-RXV */
+#define MT_PRXV_TX_RATE GENMASK(6, 0)
+#define MT_PRXV_TX_DCM BIT(4)
+#define MT_PRXV_TX_ER_SU_106T BIT(5)
+#define MT_PRXV_NSTS GENMASK(9, 7)
+#define MT_PRXV_HT_AD_CODE BIT(11)
+#define MT_PRXV_HE_RU_ALLOC_L GENMASK(31, 28)
+#define MT_PRXV_HE_RU_ALLOC_H GENMASK(3, 0)
+#define MT_PRXV_RCPI3 GENMASK(31, 24)
+#define MT_PRXV_RCPI2 GENMASK(23, 16)
+#define MT_PRXV_RCPI1 GENMASK(15, 8)
+#define MT_PRXV_RCPI0 GENMASK(7, 0)
+
+/* C-RXV */
+#define MT_CRXV_HT_STBC GENMASK(1, 0)
+#define MT_CRXV_TX_MODE GENMASK(7, 4)
+#define MT_CRXV_FRAME_MODE GENMASK(10, 8)
+#define MT_CRXV_HT_SHORT_GI GENMASK(14, 13)
+#define MT_CRXV_HE_LTF_SIZE GENMASK(18, 17)
+#define MT_CRXV_HE_LDPC_EXT_SYM BIT(20)
+#define MT_CRXV_HE_PE_DISAMBIG BIT(23)
+#define MT_CRXV_HE_UPLINK BIT(31)
+
+#define MT_CRXV_HE_SR_MASK GENMASK(11, 8)
+#define MT_CRXV_HE_SR1_MASK GENMASK(16, 12)
+#define MT_CRXV_HE_SR2_MASK GENMASK(20, 17)
+#define MT_CRXV_HE_SR3_MASK GENMASK(24, 21)
+
+#define MT_CRXV_HE_BSS_COLOR GENMASK(5, 0)
+#define MT_CRXV_HE_TXOP_DUR GENMASK(12, 6)
+#define MT_CRXV_HE_BEAM_CHNG BIT(13)
+#define MT_CRXV_HE_DOPPLER BIT(16)
+
+struct mt7915_rxv {
+ u32 phy;
+
+ /* P-RXV: bit 0~1, C-RXV: bit 2~19 */
+ __le32 v[20];
+};
+
+enum tx_header_format {
+ MT_HDR_FORMAT_802_3,
+ MT_HDR_FORMAT_CMD,
+ MT_HDR_FORMAT_802_11,
+ MT_HDR_FORMAT_802_11_EXT,
+};
+
+enum tx_pkt_type {
+ MT_TX_TYPE_CT,
+ MT_TX_TYPE_SF,
+ MT_TX_TYPE_CMD,
+ MT_TX_TYPE_FW,
+};
+
+enum tx_pkt_queue_idx {
+ MT_LMAC_AC00,
+ MT_LMAC_AC01,
+ MT_LMAC_AC02,
+ MT_LMAC_AC03,
+ MT_LMAC_ALTX0 = 0x10,
+ MT_LMAC_BMC0 = 0x10,
+ MT_LMAC_BCN0 = 0x12,
+};
+
+enum tx_port_idx {
+ MT_TX_PORT_IDX_LMAC,
+ MT_TX_PORT_IDX_MCU
+};
+
+enum tx_mcu_port_q_idx {
+ MT_TX_MCU_PORT_RX_Q0 = 0x20,
+ MT_TX_MCU_PORT_RX_Q1,
+ MT_TX_MCU_PORT_RX_Q2,
+ MT_TX_MCU_PORT_RX_Q3,
+ MT_TX_MCU_PORT_RX_FWDL = 0x3e
+};
+
+#define MT_CT_INFO_APPLY_TXD BIT(0)
+#define MT_CT_INFO_COPY_HOST_TXD_ALL BIT(1)
+#define MT_CT_INFO_MGMT_FRAME BIT(2)
+#define MT_CT_INFO_NONE_CIPHER_FRAME BIT(3)
+#define MT_CT_INFO_HSR2_TX BIT(4)
+
+#define MT_TXD_SIZE (8 * 4)
+
+#define MT_TXD0_Q_IDX GENMASK(31, 25)
+#define MT_TXD0_PKT_FMT GENMASK(24, 23)
+#define MT_TXD0_ETH_TYPE_OFFSET GENMASK(22, 16)
+#define MT_TXD0_TX_BYTES GENMASK(15, 0)
+
+#define MT_TXD1_LONG_FORMAT BIT(31)
+#define MT_TXD1_TGID BIT(30)
+#define MT_TXD1_OWN_MAC GENMASK(29, 24)
+#define MT_TXD1_AMSDU BIT(23)
+#define MT_TXD1_TID GENMASK(22, 20)
+#define MT_TXD1_HDR_PAD GENMASK(19, 18)
+#define MT_TXD1_HDR_FORMAT GENMASK(17, 16)
+#define MT_TXD1_HDR_INFO GENMASK(15, 11)
+#define MT_TXD1_VTA BIT(10)
+#define MT_TXD1_WLAN_IDX GENMASK(9, 0)
+
+#define MT_TXD2_FIX_RATE BIT(31)
+#define MT_TXD2_FIXED_RATE BIT(30)
+#define MT_TXD2_POWER_OFFSET GENMASK(29, 24)
+#define MT_TXD2_MAX_TX_TIME GENMASK(23, 16)
+#define MT_TXD2_FRAG GENMASK(15, 14)
+#define MT_TXD2_HTC_VLD BIT(13)
+#define MT_TXD2_DURATION BIT(12)
+#define MT_TXD2_BIP BIT(11)
+#define MT_TXD2_MULTICAST BIT(10)
+#define MT_TXD2_RTS BIT(9)
+#define MT_TXD2_SOUNDING BIT(8)
+#define MT_TXD2_NDPA BIT(7)
+#define MT_TXD2_NDP BIT(6)
+#define MT_TXD2_FRAME_TYPE GENMASK(5, 4)
+#define MT_TXD2_SUB_TYPE GENMASK(3, 0)
+
+#define MT_TXD3_SN_VALID BIT(31)
+#define MT_TXD3_PN_VALID BIT(30)
+#define MT_TXD3_SW_POWER_MGMT BIT(29)
+#define MT_TXD3_BA_DISABLE BIT(28)
+#define MT_TXD3_SEQ GENMASK(27, 16)
+#define MT_TXD3_REM_TX_COUNT GENMASK(15, 11)
+#define MT_TXD3_TX_COUNT GENMASK(10, 6)
+#define MT_TXD3_TIMING_MEASURE BIT(5)
+#define MT_TXD3_DAS BIT(4)
+#define MT_TXD3_EEOSP BIT(3)
+#define MT_TXD3_EMRD BIT(2)
+#define MT_TXD3_PROTECT_FRAME BIT(1)
+#define MT_TXD3_NO_ACK BIT(0)
+
+#define MT_TXD4_PN_LOW GENMASK(31, 0)
+
+#define MT_TXD5_PN_HIGH GENMASK(31, 16)
+#define MT_TXD5_MD BIT(15)
+#define MT_TXD5_ADD_BA BIT(14)
+#define MT_TXD5_TX_STATUS_HOST BIT(10)
+#define MT_TXD5_TX_STATUS_MCU BIT(9)
+#define MT_TXD5_TX_STATUS_FMT BIT(8)
+#define MT_TXD5_PID GENMASK(7, 0)
+
+#define MT_TXD6_TX_IBF BIT(31)
+#define MT_TXD6_TX_EBF BIT(30)
+#define MT_TXD6_TX_RATE GENMASK(29, 16)
+#define MT_TXD6_SGI GENMASK(15, 14)
+#define MT_TXD6_HELTF GENMASK(13, 12)
+#define MT_TXD6_LDPC BIT(11)
+#define MT_TXD6_SPE_ID_IDX BIT(10)
+#define MT_TXD6_ANT_ID GENMASK(7, 4)
+#define MT_TXD6_DYN_BW BIT(3)
+#define MT_TXD6_FIXED_BW BIT(2)
+#define MT_TXD6_BW GENMASK(2, 0)
+
+#define MT_TXD7_TXD_LEN GENMASK(31, 30)
+#define MT_TXD7_UDP_TCP_SUM BIT(29)
+#define MT_TXD7_IP_SUM BIT(28)
+
+#define MT_TXD7_TYPE GENMASK(21, 20)
+#define MT_TXD7_SUB_TYPE GENMASK(19, 16)
+
+#define MT_TXD7_PSE_FID GENMASK(27, 16)
+#define MT_TXD7_SPE_IDX GENMASK(15, 11)
+#define MT_TXD7_HW_AMSDU BIT(10)
+#define MT_TXD7_TX_TIME GENMASK(9, 0)
+
+#define MT_TX_RATE_STBC BIT(13)
+#define MT_TX_RATE_NSS GENMASK(12, 10)
+#define MT_TX_RATE_MODE GENMASK(9, 6)
+#define MT_TX_RATE_IDX GENMASK(5, 0)
+
+#define MT_TXP_MAX_BUF_NUM 6
+
+struct mt7915_txp {
+ __le16 flags;
+ __le16 token;
+ u8 bss_idx;
+ u8 rept_wds_wcid;
+ u8 rsv;
+ u8 nbuf;
+ __le32 buf[MT_TXP_MAX_BUF_NUM];
+ __le16 len[MT_TXP_MAX_BUF_NUM];
+} __packed __aligned(4);
+
+struct mt7915_tx_free {
+ __le16 rx_byte_cnt;
+ __le16 ctrl;
+ u8 txd_cnt;
+ u8 rsv[3];
+ __le32 info[];
+} __packed __aligned(4);
+
+#define MT_TX_FREE_MSDU_CNT GENMASK(9, 0)
+#define MT_TX_FREE_WLAN_ID GENMASK(23, 14)
+#define MT_TX_FREE_LATENCY GENMASK(12, 0)
+/* 0: success, others: dropped */
+#define MT_TX_FREE_STATUS GENMASK(14, 13)
+#define MT_TX_FREE_MSDU_ID GENMASK(30, 16)
+#define MT_TX_FREE_PAIR BIT(31)
+/* will support this field in further revision */
+#define MT_TX_FREE_RATE GENMASK(13, 0)
+
+struct mt7915_dfs_pulse {
+ u32 max_width; /* us */
+ int max_pwr; /* dbm */
+ int min_pwr; /* dbm */
+ u32 min_stgr_pri; /* us */
+ u32 max_stgr_pri; /* us */
+ u32 min_cr_pri; /* us */
+ u32 max_cr_pri; /* us */
+};
+
+struct mt7915_dfs_pattern {
+ u8 enb;
+ u8 stgr;
+ u8 min_crpn;
+ u8 max_crpn;
+ u8 min_crpr;
+ u8 min_pw;
+ u32 min_pri;
+ u32 max_pri;
+ u8 max_pw;
+ u8 min_crbn;
+ u8 max_crbn;
+ u8 min_stgpn;
+ u8 max_stgpn;
+ u8 min_stgpr;
+ u8 rsv[2];
+ u32 min_stgpr_diff;
+} __packed;
+
+struct mt7915_dfs_radar_spec {
+ struct mt7915_dfs_pulse pulse_th;
+ struct mt7915_dfs_pattern radar_pattern[16];
+};
+
+static inline struct mt7915_txp *
+mt7915_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
+{
+ u8 *txwi;
+
+ if (!t)
+ return NULL;
+
+ txwi = mt76_get_txwi_ptr(dev, t);
+
+ return (struct mt7915_txp *)(txwi + MT_TXD_SIZE);
+}
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
new file mode 100644
index 000000000000..0575c259f245
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -0,0 +1,838 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+#include "mt7915.h"
+#include "mcu.h"
+
+static bool mt7915_dev_running(struct mt7915_dev *dev)
+{
+ struct mt7915_phy *phy;
+
+ if (test_bit(MT76_STATE_RUNNING, &dev->mphy.state))
+ return true;
+
+ phy = mt7915_ext_phy(dev);
+
+ return phy && test_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+}
+
+static int mt7915_start(struct ieee80211_hw *hw)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ bool running;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ running = mt7915_dev_running(dev);
+
+ if (!running) {
+ mt7915_mcu_set_pm(dev, 0, 0);
+ mt7915_mcu_set_mac(dev, 0, true, false);
+ mt7915_mcu_set_scs(dev, 0, true);
+ }
+
+ if (phy != &dev->phy) {
+ mt7915_mcu_set_pm(dev, 1, 0);
+ mt7915_mcu_set_mac(dev, 1, true, false);
+ mt7915_mcu_set_scs(dev, 1, true);
+ }
+
+ mt7915_mcu_set_sku_en(phy, true);
+ mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH);
+
+ set_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+ ieee80211_queue_delayed_work(hw, &phy->mac_work,
+ MT7915_WATCHDOG_TIME);
+
+ if (!running)
+ mt7915_mac_reset_counters(phy);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static void mt7915_stop(struct ieee80211_hw *hw)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+ cancel_delayed_work_sync(&phy->mac_work);
+
+ mutex_lock(&dev->mt76.mutex);
+
+ clear_bit(MT76_STATE_RUNNING, &phy->mt76->state);
+
+ if (phy != &dev->phy) {
+ mt7915_mcu_set_pm(dev, 1, 1);
+ mt7915_mcu_set_mac(dev, 1, false, false);
+ }
+
+ if (!mt7915_dev_running(dev)) {
+ mt7915_mcu_set_pm(dev, 0, 1);
+ mt7915_mcu_set_mac(dev, 0, false, false);
+ }
+
+ mutex_unlock(&dev->mt76.mutex);
+}
+
+static int get_omac_idx(enum nl80211_iftype type, u32 mask)
+{
+ int i;
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ case NL80211_IFTYPE_AP:
+ /* ap uses hw bssid 0 and ext bssid */
+ if (~mask & BIT(HW_BSSID_0))
+ return HW_BSSID_0;
+
+ for (i = EXT_BSSID_1; i < EXT_BSSID_END; i++)
+ if (~mask & BIT(i))
+ return i;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_STATION:
+ /* station uses hw bssid other than 0 */
+ for (i = HW_BSSID_1; i < HW_BSSID_MAX; i++)
+ if (~mask & BIT(i))
+ return i;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ return -1;
+}
+
+static int mt7915_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt76_txq *mtxq;
+ bool ext_phy = phy != &dev->phy;
+ int idx, ret = 0;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ mvif->idx = ffs(~phy->vif_mask) - 1;
+ if (mvif->idx >= MT7915_MAX_INTERFACES) {
+ ret = -ENOSPC;
+ goto out;
+ }
+
+ idx = get_omac_idx(vif->type, phy->omac_mask);
+ if (idx < 0) {
+ ret = -ENOSPC;
+ goto out;
+ }
+ mvif->omac_idx = idx;
+ mvif->dev = dev;
+ mvif->band_idx = ext_phy;
+
+ if (ext_phy)
+ mvif->wmm_idx = ext_phy * (MT7915_MAX_WMM_SETS / 2) +
+ mvif->idx % (MT7915_MAX_WMM_SETS / 2);
+ else
+ mvif->wmm_idx = mvif->idx % MT7915_MAX_WMM_SETS;
+
+ ret = mt7915_mcu_add_dev_info(dev, vif, true);
+ if (ret)
+ goto out;
+
+ phy->vif_mask |= BIT(mvif->idx);
+ phy->omac_mask |= BIT(mvif->omac_idx);
+
+ idx = MT7915_WTBL_RESERVED - mvif->idx;
+
+ INIT_LIST_HEAD(&mvif->sta.poll_list);
+ mvif->sta.wcid.idx = idx;
+ mvif->sta.wcid.ext_phy = mvif->band_idx;
+ mvif->sta.wcid.hw_key_idx = -1;
+ mvif->sta.wcid.tx_info |= MT_WCID_TX_INFO_SET;
+ mt7915_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ rcu_assign_pointer(dev->mt76.wcid[idx], &mvif->sta.wcid);
+ if (vif->txq) {
+ mtxq = (struct mt76_txq *)vif->txq->drv_priv;
+ mtxq->wcid = &mvif->sta.wcid;
+ mt76_txq_init(&dev->mt76, vif->txq);
+ }
+
+out:
+ mutex_unlock(&dev->mt76.mutex);
+
+ return ret;
+}
+
+static void mt7915_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = &mvif->sta;
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ int idx = msta->wcid.idx;
+
+ /* TODO: disable beacon for the bss */
+
+ mt7915_mcu_add_dev_info(dev, vif, false);
+
+ rcu_assign_pointer(dev->mt76.wcid[idx], NULL);
+ if (vif->txq)
+ mt76_txq_remove(&dev->mt76, vif->txq);
+
+ mutex_lock(&dev->mt76.mutex);
+ phy->vif_mask &= ~BIT(mvif->idx);
+ phy->omac_mask &= ~BIT(mvif->omac_idx);
+ mutex_unlock(&dev->mt76.mutex);
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (!list_empty(&msta->poll_list))
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+static void mt7915_init_dfs_state(struct mt7915_phy *phy)
+{
+ struct mt76_phy *mphy = phy->mt76;
+ struct ieee80211_hw *hw = mphy->hw;
+ struct cfg80211_chan_def *chandef = &hw->conf.chandef;
+
+ if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
+ return;
+
+ if (!(chandef->chan->flags & IEEE80211_CHAN_RADAR))
+ return;
+
+ if (mphy->chandef.chan->center_freq == chandef->chan->center_freq &&
+ mphy->chandef.width == chandef->width)
+ return;
+
+ phy->dfs_state = -1;
+}
+
+static int mt7915_set_channel(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ int ret;
+
+ cancel_delayed_work_sync(&phy->mac_work);
+
+ mutex_lock(&dev->mt76.mutex);
+ set_bit(MT76_RESET, &phy->mt76->state);
+
+ mt7915_init_dfs_state(phy);
+ mt76_set_channel(phy->mt76);
+
+ ret = mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH);
+ if (ret)
+ goto out;
+
+ mt7915_mac_set_timing(phy);
+ ret = mt7915_dfs_init_radar_detector(phy);
+ mt7915_mac_cca_stats_reset(phy);
+
+ mt7915_mac_reset_counters(phy);
+ phy->noise = 0;
+
+out:
+ clear_bit(MT76_RESET, &phy->mt76->state);
+ mutex_unlock(&dev->mt76.mutex);
+
+ mt76_txq_schedule_all(phy->mt76);
+ ieee80211_queue_delayed_work(phy->mt76->hw, &phy->mac_work,
+ MT7915_WATCHDOG_TIME);
+
+ return ret;
+}
+
+static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = sta ? (struct mt7915_sta *)sta->drv_priv :
+ &mvif->sta;
+ struct mt76_wcid *wcid = &msta->wcid;
+ int idx = key->keyidx;
+
+ /* The hardware does not support per-STA RX GTK, fallback
+ * to software mode for these.
+ */
+ if ((vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT) &&
+ (key->cipher == WLAN_CIPHER_SUITE_TKIP ||
+ key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
+ !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ return -EOPNOTSUPP;
+
+ /* fall back to sw encryption for unsupported ciphers */
+ switch (key->cipher) {
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIE;
+ break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ case WLAN_CIPHER_SUITE_GCMP:
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ case WLAN_CIPHER_SUITE_SMS4:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (cmd == SET_KEY) {
+ key->hw_key_idx = wcid->idx;
+ wcid->hw_key_idx = idx;
+ } else if (idx == wcid->hw_key_idx) {
+ wcid->hw_key_idx = -1;
+ }
+ mt76_wcid_key_setup(&dev->mt76, wcid,
+ cmd == SET_KEY ? key : NULL);
+
+ return mt7915_mcu_add_key(dev, vif, msta, key, cmd);
+}
+
+static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ bool band = phy != &dev->phy;
+ int ret;
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ieee80211_stop_queues(hw);
+ ret = mt7915_set_channel(phy);
+ if (ret)
+ return ret;
+ ieee80211_wake_queues(hw);
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ ret = mt7915_mcu_set_sku(phy);
+ if (ret)
+ return ret;
+ }
+
+ mutex_lock(&dev->mt76.mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_MONITOR) {
+ if (!(hw->conf.flags & IEEE80211_CONF_MONITOR))
+ phy->rxfilter |= MT_WF_RFCR_DROP_OTHER_UC;
+ else
+ phy->rxfilter &= ~MT_WF_RFCR_DROP_OTHER_UC;
+
+ mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
+ }
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static int
+mt7915_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue,
+ const struct ieee80211_tx_queue_params *params)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+ /* no need to update right away, we'll get BSS_CHANGED_QOS */
+ mvif->wmm[queue].cw_min = params->cw_min;
+ mvif->wmm[queue].cw_max = params->cw_max;
+ mvif->wmm[queue].aifs = params->aifs;
+ mvif->wmm[queue].txop = params->txop;
+
+ return 0;
+}
+
+static void mt7915_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *total_flags,
+ u64 multicast)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ bool band = phy != &dev->phy;
+
+ u32 ctl_flags = MT_WF_RFCR1_DROP_ACK |
+ MT_WF_RFCR1_DROP_BF_POLL |
+ MT_WF_RFCR1_DROP_BA |
+ MT_WF_RFCR1_DROP_CFEND |
+ MT_WF_RFCR1_DROP_CFACK;
+ u32 flags = 0;
+
+#define MT76_FILTER(_flag, _hw) do { \
+ flags |= *total_flags & FIF_##_flag; \
+ phy->rxfilter &= ~(_hw); \
+ phy->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
+ } while (0)
+
+ phy->rxfilter &= ~(MT_WF_RFCR_DROP_OTHER_BSS |
+ MT_WF_RFCR_DROP_OTHER_BEACON |
+ MT_WF_RFCR_DROP_FRAME_REPORT |
+ MT_WF_RFCR_DROP_PROBEREQ |
+ MT_WF_RFCR_DROP_MCAST_FILTERED |
+ MT_WF_RFCR_DROP_MCAST |
+ MT_WF_RFCR_DROP_BCAST |
+ MT_WF_RFCR_DROP_DUPLICATE |
+ MT_WF_RFCR_DROP_A2_BSSID |
+ MT_WF_RFCR_DROP_UNWANTED_CTL |
+ MT_WF_RFCR_DROP_STBC_MULTI);
+
+ MT76_FILTER(OTHER_BSS, MT_WF_RFCR_DROP_OTHER_TIM |
+ MT_WF_RFCR_DROP_A3_MAC |
+ MT_WF_RFCR_DROP_A3_BSSID);
+
+ MT76_FILTER(FCSFAIL, MT_WF_RFCR_DROP_FCSFAIL);
+
+ MT76_FILTER(CONTROL, MT_WF_RFCR_DROP_CTS |
+ MT_WF_RFCR_DROP_RTS |
+ MT_WF_RFCR_DROP_CTL_RSV |
+ MT_WF_RFCR_DROP_NDPA);
+
+ *total_flags = flags;
+ mt76_wr(dev, MT_WF_RFCR(band), phy->rxfilter);
+
+ if (*total_flags & FIF_CONTROL)
+ mt76_clear(dev, MT_WF_RFCR1(band), ctl_flags);
+ else
+ mt76_set(dev, MT_WF_RFCR1(band), ctl_flags);
+}
+
+static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info,
+ u32 changed)
+{
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+
+ mutex_lock(&dev->mt76.mutex);
+
+ /*
+ * station mode uses BSSID to map the wlan entry to a peer,
+ * and then peer references bss_info_rfch to set bandwidth cap.
+ */
+ if (changed & BSS_CHANGED_BSSID &&
+ vif->type == NL80211_IFTYPE_STATION) {
+ bool join = !is_zero_ether_addr(info->bssid);
+
+ mt7915_mcu_add_bss_info(phy, vif, join);
+ mt7915_mcu_add_sta(dev, vif, NULL, join);
+ }
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ mt7915_mcu_add_bss_info(phy, vif, info->assoc);
+ mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ int slottime = info->use_short_slot ? 9 : 20;
+
+ if (slottime != phy->slottime) {
+ phy->slottime = slottime;
+ mt7915_mac_set_timing(phy);
+ }
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED) {
+ mt7915_mcu_add_bss_info(phy, vif, info->enable_beacon);
+ mt7915_mcu_add_sta(dev, vif, NULL, info->enable_beacon);
+ }
+
+ /* ensure that enable txcmd_mode after bss_info */
+ if (changed & (BSS_CHANGED_QOS | BSS_CHANGED_BEACON_ENABLED))
+ mt7915_mcu_set_tx(dev, vif);
+
+ if (changed & BSS_CHANGED_HE_OBSS_PD)
+ mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
+
+ if (changed & (BSS_CHANGED_BEACON |
+ BSS_CHANGED_BEACON_ENABLED))
+ mt7915_mcu_add_beacon(hw, vif, info->enable_beacon);
+
+ mutex_unlock(&dev->mt76.mutex);
+}
+
+static void
+mt7915_channel_switch_beacon(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_chan_def *chandef)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+
+ mutex_lock(&dev->mt76.mutex);
+ mt7915_mcu_add_beacon(hw, vif, true);
+ mutex_unlock(&dev->mt76.mutex);
+}
+
+int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ int ret, idx;
+
+ idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA - 1);
+ if (idx < 0)
+ return -ENOSPC;
+
+ INIT_LIST_HEAD(&msta->poll_list);
+ INIT_WORK(&msta->stats_work, mt7915_mac_sta_stats_work);
+ spin_lock_init(&msta->ampdu_lock);
+ msta->vif = mvif;
+ msta->wcid.sta = 1;
+ msta->wcid.idx = idx;
+ msta->wcid.ext_phy = mvif->band_idx;
+ msta->wcid.tx_info |= MT_WCID_TX_INFO_SET;
+ msta->stats.jiffies = jiffies;
+
+ mt7915_mac_wtbl_update(dev, idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ ret = mt7915_mcu_add_sta(dev, vif, sta, true);
+ if (ret)
+ return ret;
+
+ return mt7915_mcu_add_sta_adv(dev, vif, sta, true);
+}
+
+void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+ mt7915_mcu_add_sta_adv(dev, vif, sta, false);
+ mt7915_mcu_add_sta(dev, vif, sta, false);
+
+ mt7915_mac_wtbl_update(dev, msta->wcid.idx,
+ MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
+
+ spin_lock_bh(&dev->sta_poll_lock);
+ if (!list_empty(&msta->poll_list))
+ list_del_init(&msta->poll_list);
+ spin_unlock_bh(&dev->sta_poll_lock);
+}
+
+static void mt7915_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt76_phy *mphy = hw->priv;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_vif *vif = info->control.vif;
+ struct mt76_wcid *wcid = &dev->mt76.global_wcid;
+
+ if (control->sta) {
+ struct mt7915_sta *sta;
+
+ sta = (struct mt7915_sta *)control->sta->drv_priv;
+ wcid = &sta->wcid;
+ }
+
+ if (vif && !control->sta) {
+ struct mt7915_vif *mvif;
+
+ mvif = (struct mt7915_vif *)vif->drv_priv;
+ wcid = &mvif->sta.wcid;
+ }
+
+ mt76_tx(mphy, control->sta, wcid, skb);
+}
+
+static int mt7915_set_rts_threshold(struct ieee80211_hw *hw, u32 val)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+ mutex_lock(&dev->mt76.mutex);
+ mt7915_mcu_set_rts_thresh(phy, val);
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static int
+mt7915_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct ieee80211_sta *sta = params->sta;
+ struct ieee80211_txq *txq = sta->txq[params->tid];
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ u16 tid = params->tid;
+ u16 ssn = params->ssn;
+ struct mt76_txq *mtxq;
+ int ret = 0;
+
+ if (!txq)
+ return -EINVAL;
+
+ mtxq = (struct mt76_txq *)txq->drv_priv;
+
+ mutex_lock(&dev->mt76.mutex);
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn,
+ params->buf_size);
+ mt7915_mcu_add_rx_ba(dev, params, true);
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid);
+ mt7915_mcu_add_rx_ba(dev, params, false);
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ mtxq->aggr = true;
+ mtxq->send_bar = false;
+ mt7915_set_aggr_state(msta, tid, MT7915_AGGR_OPERATIONAL);
+ mt7915_mcu_add_tx_ba(dev, params, true);
+ break;
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ mtxq->aggr = false;
+ mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP);
+ mt7915_mcu_add_tx_ba(dev, params, false);
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ mtxq->agg_ssn = IEEE80211_SN_TO_SEQ(ssn);
+ mt7915_set_aggr_state(msta, tid, MT7915_AGGR_START);
+ ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
+ break;
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ mtxq->aggr = false;
+ mt7915_set_aggr_state(msta, tid, MT7915_AGGR_STOP);
+ mt7915_mcu_add_tx_ba(dev, params, false);
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ }
+ mutex_unlock(&dev->mt76.mutex);
+
+ return ret;
+}
+
+static int
+mt7915_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST,
+ IEEE80211_STA_NONE);
+}
+
+static int
+mt7915_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ return mt76_sta_state(hw, vif, sta, IEEE80211_STA_NONE,
+ IEEE80211_STA_NOTEXIST);
+}
+
+static int
+mt7915_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mib_stats *mib = &phy->mib;
+
+ stats->dot11RTSSuccessCount = mib->rts_cnt;
+ stats->dot11RTSFailureCount = mib->rts_retries_cnt;
+ stats->dot11FCSErrorCount = mib->fcs_err_cnt;
+ stats->dot11ACKFailureCount = mib->ack_fail_cnt;
+
+ return 0;
+}
+
+static u64
+mt7915_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ bool band = phy != &dev->phy;
+ union {
+ u64 t64;
+ u32 t32[2];
+ } tsf;
+ u16 n;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
+ /* TSF software read */
+ mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_MODE);
+ tsf.t32[0] = mt76_rr(dev, MT_LPON_UTTR0(band));
+ tsf.t32[1] = mt76_rr(dev, MT_LPON_UTTR1(band));
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return tsf.t64;
+}
+
+static void
+mt7915_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u64 timestamp)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ bool band = phy != &dev->phy;
+ union {
+ u64 t64;
+ u32 t32[2];
+ } tsf = { .t64 = timestamp, };
+ u16 n;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ n = mvif->omac_idx > HW_BSSID_MAX ? HW_BSSID_0 : mvif->omac_idx;
+ mt76_wr(dev, MT_LPON_UTTR0(band), tsf.t32[0]);
+ mt76_wr(dev, MT_LPON_UTTR1(band), tsf.t32[1]);
+ /* TSF software overwrite */
+ mt76_set(dev, MT_LPON_TCR(band, n), MT_LPON_TCR_SW_WRITE);
+
+ mutex_unlock(&dev->mt76.mutex);
+}
+
+static void
+mt7915_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class)
+{
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+
+ phy->coverage_class = max_t(s16, coverage_class, 0);
+ mt7915_mac_set_timing(phy);
+}
+
+static int
+mt7915_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ int max_nss = hweight8(hw->wiphy->available_antennas_tx);
+ bool ext_phy = phy != &dev->phy;
+
+ if (!tx_ant || tx_ant != rx_ant || ffs(tx_ant) > max_nss)
+ return -EINVAL;
+
+ if ((BIT(hweight8(tx_ant)) - 1) != tx_ant)
+ tx_ant = BIT(ffs(tx_ant) - 1) - 1;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ phy->mt76->antenna_mask = tx_ant;
+
+ if (ext_phy) {
+ if (dev->chainmask == 0xf)
+ tx_ant <<= 2;
+ else
+ tx_ant <<= 1;
+ }
+ phy->chainmask = tx_ant;
+
+ mt76_set_stream_caps(phy->mt76, true);
+ mt7915_set_stream_vht_txbf_caps(phy);
+ mt7915_set_stream_he_caps(phy);
+
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
+static void mt7915_sta_statistics(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct station_info *sinfo)
+{
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_sta_stats *stats = &msta->stats;
+
+ if (!stats->tx_rate.legacy && !stats->tx_rate.flags)
+ return;
+
+ if (stats->tx_rate.legacy) {
+ sinfo->txrate.legacy = stats->tx_rate.legacy;
+ } else {
+ sinfo->txrate.mcs = stats->tx_rate.mcs;
+ sinfo->txrate.nss = stats->tx_rate.nss;
+ sinfo->txrate.bw = stats->tx_rate.bw;
+ sinfo->txrate.he_gi = stats->tx_rate.he_gi;
+ sinfo->txrate.he_dcm = stats->tx_rate.he_dcm;
+ sinfo->txrate.he_ru_alloc = stats->tx_rate.he_ru_alloc;
+ }
+ sinfo->txrate.flags = stats->tx_rate.flags;
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+}
+
+static void
+mt7915_sta_rc_update(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ u32 changed)
+{
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(vif, sta->addr);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+ rcu_read_unlock();
+
+ set_bit(changed, &msta->stats.changed);
+ ieee80211_queue_work(hw, &msta->stats_work);
+}
+
+const struct ieee80211_ops mt7915_ops = {
+ .tx = mt7915_tx,
+ .start = mt7915_start,
+ .stop = mt7915_stop,
+ .add_interface = mt7915_add_interface,
+ .remove_interface = mt7915_remove_interface,
+ .config = mt7915_config,
+ .conf_tx = mt7915_conf_tx,
+ .configure_filter = mt7915_configure_filter,
+ .bss_info_changed = mt7915_bss_info_changed,
+ .sta_add = mt7915_sta_add,
+ .sta_remove = mt7915_sta_remove,
+ .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove,
+ .sta_rc_update = mt7915_sta_rc_update,
+ .set_key = mt7915_set_key,
+ .ampdu_action = mt7915_ampdu_action,
+ .set_rts_threshold = mt7915_set_rts_threshold,
+ .wake_tx_queue = mt76_wake_tx_queue,
+ .sw_scan_start = mt76_sw_scan,
+ .sw_scan_complete = mt76_sw_scan_complete,
+ .release_buffered_frames = mt76_release_buffered_frames,
+ .get_txpower = mt76_get_txpower,
+ .channel_switch_beacon = mt7915_channel_switch_beacon,
+ .get_stats = mt7915_get_stats,
+ .get_tsf = mt7915_get_tsf,
+ .set_tsf = mt7915_set_tsf,
+ .get_survey = mt76_get_survey,
+ .get_antenna = mt76_get_antenna,
+ .set_antenna = mt7915_set_antenna,
+ .set_coverage_class = mt7915_set_coverage_class,
+ .sta_statistics = mt7915_sta_statistics,
+#ifdef CONFIG_MAC80211_DEBUGFS
+ .sta_add_debugfs = mt7915_sta_add_debugfs,
+#endif
+};
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
new file mode 100644
index 000000000000..c8c12c740c1a
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -0,0 +1,3182 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#include <linux/firmware.h>
+#include <linux/fs.h>
+#include "mt7915.h"
+#include "mcu.h"
+#include "mac.h"
+#include "eeprom.h"
+
+struct mt7915_patch_hdr {
+ char build_date[16];
+ char platform[4];
+ __be32 hw_sw_ver;
+ __be32 patch_ver;
+ __be16 checksum;
+ u16 reserved;
+ struct {
+ __be32 patch_ver;
+ __be32 subsys;
+ __be32 feature;
+ __be32 n_region;
+ __be32 crc;
+ u32 reserved[11];
+ } desc;
+} __packed;
+
+struct mt7915_patch_sec {
+ __be32 type;
+ __be32 offs;
+ __be32 size;
+ union {
+ __be32 spec[13];
+ struct {
+ __be32 addr;
+ __be32 len;
+ __be32 sec_key_idx;
+ __be32 align_len;
+ u32 reserved[9];
+ } info;
+ };
+} __packed;
+
+struct mt7915_fw_trailer {
+ u8 chip_id;
+ u8 eco_code;
+ u8 n_region;
+ u8 format_ver;
+ u8 format_flag;
+ u8 reserved[2];
+ char fw_ver[10];
+ char build_date[15];
+ u32 crc;
+} __packed;
+
+struct mt7915_fw_region {
+ __le32 decomp_crc;
+ __le32 decomp_len;
+ __le32 decomp_blk_sz;
+ u8 reserved[4];
+ __le32 addr;
+ __le32 len;
+ u8 feature_set;
+ u8 reserved1[15];
+} __packed;
+
+#define MCU_PATCH_ADDRESS 0x200000
+
+#define MT_STA_BFER BIT(0)
+#define MT_STA_BFEE BIT(1)
+
+#define FW_FEATURE_SET_ENCRYPT BIT(0)
+#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
+#define FW_FEATURE_OVERRIDE_ADDR BIT(5)
+
+#define DL_MODE_ENCRYPT BIT(0)
+#define DL_MODE_KEY_IDX GENMASK(2, 1)
+#define DL_MODE_RESET_SEC_IV BIT(3)
+#define DL_MODE_WORKING_PDA_CR4 BIT(4)
+#define DL_MODE_NEED_RSP BIT(31)
+
+#define FW_START_OVERRIDE BIT(0)
+#define FW_START_WORKING_PDA_CR4 BIT(2)
+
+#define PATCH_SEC_TYPE_MASK GENMASK(15, 0)
+#define PATCH_SEC_TYPE_INFO 0x2
+
+#define to_wcid_lo(id) FIELD_GET(GENMASK(7, 0), (u16)id)
+#define to_wcid_hi(id) FIELD_GET(GENMASK(9, 8), (u16)id)
+
+#define HE_PHY(p, c) u8_get_bits(c, IEEE80211_HE_PHY_##p)
+#define HE_MAC(m, c) u8_get_bits(c, IEEE80211_HE_MAC_##m)
+
+static enum mt7915_cipher_type
+mt7915_mcu_get_cipher(int cipher)
+{
+ switch (cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ return MT_CIPHER_WEP40;
+ case WLAN_CIPHER_SUITE_WEP104:
+ return MT_CIPHER_WEP104;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return MT_CIPHER_TKIP;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ return MT_CIPHER_BIP_CMAC_128;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return MT_CIPHER_AES_CCMP;
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ return MT_CIPHER_CCMP_256;
+ case WLAN_CIPHER_SUITE_GCMP:
+ return MT_CIPHER_GCMP;
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ return MT_CIPHER_GCMP_256;
+ case WLAN_CIPHER_SUITE_SMS4:
+ return MT_CIPHER_WAPI;
+ default:
+ return MT_CIPHER_NONE;
+ }
+}
+
+static u8 mt7915_mcu_chan_bw(struct cfg80211_chan_def *chandef)
+{
+ static const u8 width_to_bw[] = {
+ [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
+ [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
+ [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
+ [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
+ [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
+ [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
+ [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
+ [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
+ };
+
+ if (chandef->width >= ARRAY_SIZE(width_to_bw))
+ return 0;
+
+ return width_to_bw[chandef->width];
+}
+
+static const struct ieee80211_sta_he_cap *
+mt7915_get_he_phy_cap(struct mt7915_phy *phy, struct ieee80211_vif *vif)
+{
+ struct ieee80211_supported_band *sband;
+ enum nl80211_band band;
+
+ band = phy->mt76->chandef.chan->band;
+ sband = phy->mt76->hw->wiphy->bands[band];
+
+ return ieee80211_get_he_iftype_cap(sband, vif->type);
+}
+
+static u8
+mt7915_get_phy_mode(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ enum nl80211_band band, struct ieee80211_sta *sta)
+{
+ struct ieee80211_sta_ht_cap *ht_cap;
+ struct ieee80211_sta_vht_cap *vht_cap;
+ const struct ieee80211_sta_he_cap *he_cap;
+ u8 mode = 0;
+
+ if (sta) {
+ ht_cap = &sta->ht_cap;
+ vht_cap = &sta->vht_cap;
+ he_cap = &sta->he_cap;
+ } else {
+ struct ieee80211_supported_band *sband;
+ struct mt7915_phy *phy;
+ struct mt7915_vif *mvif;
+
+ mvif = (struct mt7915_vif *)vif->drv_priv;
+ phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
+ sband = phy->mt76->hw->wiphy->bands[band];
+
+ ht_cap = &sband->ht_cap;
+ vht_cap = &sband->vht_cap;
+ he_cap = ieee80211_get_he_iftype_cap(sband, vif->type);
+ }
+
+ if (band == NL80211_BAND_2GHZ) {
+ mode |= PHY_MODE_B | PHY_MODE_G;
+
+ if (ht_cap->ht_supported)
+ mode |= PHY_MODE_GN;
+
+ if (he_cap->has_he)
+ mode |= PHY_MODE_AX_24G;
+ } else if (band == NL80211_BAND_5GHZ) {
+ mode |= PHY_MODE_A;
+
+ if (ht_cap->ht_supported)
+ mode |= PHY_MODE_AN;
+
+ if (vht_cap->vht_supported)
+ mode |= PHY_MODE_AC;
+
+ if (he_cap->has_he)
+ mode |= PHY_MODE_AX_5G;
+ }
+
+ return mode;
+}
+
+static u8
+mt7915_mcu_get_sta_nss(u16 mcs_map)
+{
+ u8 nss;
+
+ for (nss = 8; nss > 0; nss--) {
+ u8 nss_mcs = (mcs_map >> (2 * (nss - 1))) & 3;
+
+ if (nss_mcs != IEEE80211_VHT_MCS_NOT_SUPPORTED)
+ break;
+ }
+
+ return nss - 1;
+}
+
+static int __mt7915_mcu_msg_send(struct mt7915_dev *dev, struct sk_buff *skb,
+ int cmd, int *wait_seq)
+{
+ struct mt7915_mcu_txd *mcu_txd;
+ u8 seq, pkt_fmt, qidx;
+ enum mt76_txq_id txq;
+ __le32 *txd;
+ u32 val;
+
+ seq = ++dev->mt76.mcu.msg_seq & 0xf;
+ if (!seq)
+ seq = ++dev->mt76.mcu.msg_seq & 0xf;
+
+ if (cmd == -MCU_CMD_FW_SCATTER) {
+ txq = MT_TXQ_FWDL;
+ goto exit;
+ }
+
+ mcu_txd = (struct mt7915_mcu_txd *)skb_push(skb, sizeof(*mcu_txd));
+
+ if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state)) {
+ txq = MT_TXQ_MCU_WA;
+ qidx = MT_TX_MCU_PORT_RX_Q0;
+ pkt_fmt = MT_TX_TYPE_CMD;
+ } else {
+ txq = MT_TXQ_MCU;
+ qidx = MT_TX_MCU_PORT_RX_Q0;
+ pkt_fmt = MT_TX_TYPE_CMD;
+ }
+
+ txd = mcu_txd->txd;
+
+ val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
+ FIELD_PREP(MT_TXD0_PKT_FMT, pkt_fmt) |
+ FIELD_PREP(MT_TXD0_Q_IDX, qidx);
+ txd[0] = cpu_to_le32(val);
+
+ val = MT_TXD1_LONG_FORMAT |
+ FIELD_PREP(MT_TXD1_HDR_FORMAT, MT_HDR_FORMAT_CMD);
+ txd[1] = cpu_to_le32(val);
+
+ mcu_txd->len = cpu_to_le16(skb->len - sizeof(mcu_txd->txd));
+ mcu_txd->pq_id = cpu_to_le16(MCU_PQ_ID(MT_TX_PORT_IDX_MCU, qidx));
+ mcu_txd->pkt_type = MCU_PKT_ID;
+ mcu_txd->seq = seq;
+
+ if (cmd < 0) {
+ mcu_txd->set_query = MCU_Q_NA;
+ mcu_txd->cid = -cmd;
+ } else {
+ mcu_txd->cid = MCU_CMD_EXT_CID;
+ mcu_txd->ext_cid = cmd;
+ mcu_txd->ext_cid_ack = 1;
+
+ /* do not use Q_SET for efuse */
+ if (cmd == MCU_EXT_CMD_EFUSE_ACCESS)
+ mcu_txd->set_query = MCU_Q_QUERY;
+ else
+ mcu_txd->set_query = MCU_Q_SET;
+ }
+
+ mcu_txd->s2d_index = MCU_S2D_H2N;
+ WARN_ON(cmd == MCU_EXT_CMD_EFUSE_ACCESS &&
+ mcu_txd->set_query != MCU_Q_QUERY);
+
+exit:
+ if (wait_seq)
+ *wait_seq = seq;
+
+ return mt76_tx_queue_skb_raw(dev, txq, skb, 0);
+}
+
+static int
+mt7915_mcu_parse_eeprom(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_eeprom_info *res;
+ u8 *buf;
+
+ if (!skb)
+ return -EINVAL;
+
+ skb_pull(skb, sizeof(struct mt7915_mcu_rxd));
+
+ res = (struct mt7915_mcu_eeprom_info *)skb->data;
+ buf = dev->mt76.eeprom.data + le32_to_cpu(res->addr);
+ memcpy(buf, res->data, 16);
+
+ return 0;
+}
+
+static int
+mt7915_mcu_parse_response(struct mt7915_dev *dev, int cmd,
+ struct sk_buff *skb, int seq)
+{
+ struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+ int ret = 0;
+
+ if (seq != rxd->seq)
+ return -EAGAIN;
+
+ switch (cmd) {
+ case -MCU_CMD_PATCH_SEM_CONTROL:
+ skb_pull(skb, sizeof(*rxd) - 4);
+ ret = *skb->data;
+ break;
+ case MCU_EXT_CMD_THERMAL_CTRL:
+ skb_pull(skb, sizeof(*rxd) + 4);
+ ret = le32_to_cpu(*(__le32 *)skb->data);
+ break;
+ case MCU_EXT_CMD_EFUSE_ACCESS:
+ ret = mt7915_mcu_parse_eeprom(dev, skb);
+ break;
+ default:
+ break;
+ }
+ dev_kfree_skb(skb);
+
+ return ret;
+}
+
+static int
+mt7915_mcu_wait_response(struct mt7915_dev *dev, int cmd, int seq)
+{
+ unsigned long expires = jiffies + 20 * HZ;
+ struct sk_buff *skb;
+ int ret = 0;
+
+ while (true) {
+ skb = mt76_mcu_get_response(&dev->mt76, expires);
+ if (!skb) {
+ dev_err(dev->mt76.dev, "Message %d (seq %d) timeout\n",
+ cmd, seq);
+ return -ETIMEDOUT;
+ }
+
+ ret = mt7915_mcu_parse_response(dev, cmd, skb, seq);
+ if (ret != -EAGAIN)
+ break;
+ }
+
+ return ret;
+}
+
+static int
+mt7915_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
+ int cmd, bool wait_resp)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+ int ret, seq;
+
+ mutex_lock(&mdev->mcu.mutex);
+
+ ret = __mt7915_mcu_msg_send(dev, skb, cmd, &seq);
+ if (ret)
+ goto out;
+
+ if (wait_resp)
+ ret = mt7915_mcu_wait_response(dev, cmd, seq);
+
+out:
+ mutex_unlock(&mdev->mcu.mutex);
+
+ return ret;
+}
+
+static int
+mt7915_mcu_msg_send(struct mt76_dev *mdev, int cmd, const void *data,
+ int len, bool wait_resp)
+{
+ struct sk_buff *skb;
+
+ skb = mt76_mcu_msg_alloc(mdev, data, len);
+ if (!skb)
+ return -ENOMEM;
+
+ return __mt76_mcu_skb_send_msg(mdev, skb, cmd, wait_resp);
+}
+
+static void
+mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ if (vif->csa_active)
+ ieee80211_csa_finish(vif);
+}
+
+static void
+mt7915_mcu_rx_radar_detected(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ struct mt7915_mcu_rdd_report *r;
+
+ r = (struct mt7915_mcu_rdd_report *)skb->data;
+
+ if (r->idx && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+
+ ieee80211_radar_detected(mphy->hw);
+ dev->hw_pattern++;
+}
+
+static void
+mt7915_mcu_tx_rate_cal(struct mt76_phy *mphy, struct mt7915_mcu_ra_info *ra,
+ struct rate_info *rate, u16 r)
+{
+ struct ieee80211_supported_band *sband;
+ u16 ru_idx = le16_to_cpu(ra->ru_idx);
+ u16 flags = 0;
+
+ rate->mcs = FIELD_GET(MT_RA_RATE_MCS, r);
+ rate->nss = FIELD_GET(MT_RA_RATE_NSS, r) + 1;
+
+ switch (FIELD_GET(MT_RA_RATE_TX_MODE, r)) {
+ case MT_PHY_TYPE_CCK:
+ case MT_PHY_TYPE_OFDM:
+ if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
+ sband = &mphy->sband_5g.sband;
+ else
+ sband = &mphy->sband_2g.sband;
+
+ rate->legacy = sband->bitrates[rate->mcs].bitrate;
+ break;
+ case MT_PHY_TYPE_HT:
+ case MT_PHY_TYPE_HT_GF:
+ rate->mcs += (rate->nss - 1) * 8;
+ flags |= RATE_INFO_FLAGS_MCS;
+
+ if (ra->gi)
+ flags |= RATE_INFO_FLAGS_SHORT_GI;
+ break;
+ case MT_PHY_TYPE_VHT:
+ flags |= RATE_INFO_FLAGS_VHT_MCS;
+
+ if (ra->gi)
+ flags |= RATE_INFO_FLAGS_SHORT_GI;
+ break;
+ case MT_PHY_TYPE_HE_SU:
+ case MT_PHY_TYPE_HE_EXT_SU:
+ case MT_PHY_TYPE_HE_TB:
+ case MT_PHY_TYPE_HE_MU:
+ rate->he_gi = ra->gi;
+ rate->he_dcm = FIELD_GET(MT_RA_RATE_DCM_EN, r);
+
+ flags |= RATE_INFO_FLAGS_HE_MCS;
+ break;
+ default:
+ break;
+ }
+ rate->flags = flags;
+
+ if (ru_idx) {
+ switch (ru_idx) {
+ case 1 ... 2:
+ rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_996;
+ break;
+ case 3 ... 6:
+ rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_484;
+ break;
+ case 7 ... 14:
+ rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_242;
+ break;
+ default:
+ rate->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ break;
+ }
+ rate->bw = RATE_INFO_BW_HE_RU;
+ } else {
+ u8 bw = mt7915_mcu_chan_bw(&mphy->chandef) -
+ FIELD_GET(MT_RA_RATE_BW, r);
+
+ switch (bw) {
+ case IEEE80211_STA_RX_BW_160:
+ rate->bw = RATE_INFO_BW_160;
+ break;
+ case IEEE80211_STA_RX_BW_80:
+ rate->bw = RATE_INFO_BW_80;
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ rate->bw = RATE_INFO_BW_40;
+ break;
+ default:
+ rate->bw = RATE_INFO_BW_20;
+ break;
+ }
+ }
+}
+
+static void
+mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_ra_info *ra = (struct mt7915_mcu_ra_info *)skb->data;
+ u16 wcidx = le16_to_cpu(ra->wlan_idx);
+ struct mt76_wcid *wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
+ struct mt7915_sta *msta = container_of(wcid, struct mt7915_sta, wcid);
+ struct mt7915_sta_stats *stats = &msta->stats;
+ struct mt76_phy *mphy = &dev->mphy;
+ struct rate_info rate = {}, prob_rate = {};
+ u16 attempts = le16_to_cpu(ra->attempts);
+ u16 curr = le16_to_cpu(ra->curr_rate);
+ u16 probe = le16_to_cpu(ra->prob_up_rate);
+
+ if (msta->wcid.ext_phy && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+
+ /* current rate */
+ mt7915_mcu_tx_rate_cal(mphy, ra, &rate, curr);
+ stats->tx_rate = rate;
+
+ /* probing rate */
+ mt7915_mcu_tx_rate_cal(mphy, ra, &prob_rate, probe);
+ stats->prob_rate = prob_rate;
+
+ if (attempts) {
+ u16 success = le16_to_cpu(ra->success);
+
+ stats->per = 1000 * (attempts - success) / attempts;
+ }
+}
+
+static void
+mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+ const char *data = (char *)&rxd[1];
+ const char *type;
+
+ switch (rxd->s2d_index) {
+ case 0:
+ type = "WM";
+ break;
+ case 2:
+ type = "WA";
+ break;
+ default:
+ type = "unknown";
+ break;
+ }
+
+ wiphy_info(mt76_hw(dev)->wiphy, "%s: %s", type, data);
+}
+
+static void
+mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+ switch (rxd->ext_eid) {
+ case MCU_EXT_EVENT_RDD_REPORT:
+ mt7915_mcu_rx_radar_detected(dev, skb);
+ break;
+ case MCU_EXT_EVENT_CSA_NOTIFY:
+ ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7915_mcu_csa_finish, dev);
+ break;
+ case MCU_EXT_EVENT_RATE_REPORT:
+ mt7915_mcu_tx_rate_report(dev, skb);
+ break;
+ case MCU_EXT_EVENT_FW_LOG_2_HOST:
+ mt7915_mcu_rx_log_message(dev, skb);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+mt7915_mcu_rx_unsolicited_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+ switch (rxd->eid) {
+ case MCU_EVENT_EXT:
+ mt7915_mcu_rx_ext_event(dev, skb);
+ break;
+ default:
+ break;
+ }
+ dev_kfree_skb(skb);
+}
+
+void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_rxd *rxd = (struct mt7915_mcu_rxd *)skb->data;
+
+ if (rxd->ext_eid == MCU_EXT_EVENT_THERMAL_PROTECT ||
+ rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
+ rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
+ rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
+ rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
+ !rxd->seq)
+ mt7915_mcu_rx_unsolicited_event(dev, skb);
+ else
+ mt76_mcu_rx_event(&dev->mt76, skb);
+}
+
+static struct sk_buff *
+mt7915_mcu_alloc_sta_req(struct mt7915_dev *dev, struct mt7915_vif *mvif,
+ struct mt7915_sta *msta, int len)
+{
+ struct sta_req_hdr hdr = {
+ .bss_idx = mvif->idx,
+ .wlan_idx_lo = msta ? to_wcid_lo(msta->wcid.idx) : 0,
+ .wlan_idx_hi = msta ? to_wcid_hi(msta->wcid.idx) : 0,
+ .muar_idx = msta ? mvif->omac_idx : 0,
+ .is_tlv_append = 1,
+ };
+ struct sk_buff *skb;
+
+ skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, len);
+ if (!skb)
+ return ERR_PTR(-ENOMEM);
+
+ skb_put_data(skb, &hdr, sizeof(hdr));
+
+ return skb;
+}
+
+static struct wtbl_req_hdr *
+mt7915_mcu_alloc_wtbl_req(struct mt7915_dev *dev, struct mt7915_sta *msta,
+ int cmd, void *sta_wtbl, struct sk_buff **skb)
+{
+ struct tlv *sta_hdr = sta_wtbl;
+ struct wtbl_req_hdr hdr = {
+ .wlan_idx_lo = to_wcid_lo(msta->wcid.idx),
+ .wlan_idx_hi = to_wcid_hi(msta->wcid.idx),
+ .operation = cmd,
+ };
+ struct sk_buff *nskb = *skb;
+
+ if (!nskb) {
+ nskb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
+ MT7915_WTBL_UPDATE_BA_SIZE);
+ if (!nskb)
+ return ERR_PTR(-ENOMEM);
+
+ *skb = nskb;
+ }
+
+ if (sta_hdr)
+ sta_hdr->len = cpu_to_le16(sizeof(hdr));
+
+ return skb_put_data(nskb, &hdr, sizeof(hdr));
+}
+
+static struct tlv *
+mt7915_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
+ void *sta_ntlv, void *sta_wtbl)
+{
+ struct sta_ntlv_hdr *ntlv_hdr = sta_ntlv;
+ struct tlv *sta_hdr = sta_wtbl;
+ struct tlv *ptlv, tlv = {
+ .tag = cpu_to_le16(tag),
+ .len = cpu_to_le16(len),
+ };
+ u16 ntlv;
+
+ ptlv = skb_put(skb, len);
+ memcpy(ptlv, &tlv, sizeof(tlv));
+
+ ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
+ ntlv_hdr->tlv_num = cpu_to_le16(ntlv + 1);
+
+ if (sta_hdr) {
+ u16 size = le16_to_cpu(sta_hdr->len);
+
+ sta_hdr->len = cpu_to_le16(size + len);
+ }
+
+ return ptlv;
+}
+
+static struct tlv *
+mt7915_mcu_add_tlv(struct sk_buff *skb, int tag, int len)
+{
+ return mt7915_mcu_add_nested_tlv(skb, tag, len, skb->data, NULL);
+}
+
+static struct tlv *
+mt7915_mcu_add_nested_subtlv(struct sk_buff *skb, int sub_tag, int sub_len,
+ __le16 *sub_ntlv, __le16 *len)
+{
+ struct tlv *ptlv, tlv = {
+ .tag = cpu_to_le16(sub_tag),
+ .len = cpu_to_le16(sub_len),
+ };
+
+ ptlv = skb_put(skb, sub_len);
+ memcpy(ptlv, &tlv, sizeof(tlv));
+
+ *sub_ntlv = cpu_to_le16(le16_to_cpu(*sub_ntlv) + 1);
+ *len = cpu_to_le16(le16_to_cpu(*len) + sub_len);
+
+ return ptlv;
+}
+
+/** bss info **/
+static int
+mt7915_mcu_bss_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct mt7915_phy *phy, bool enable)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ enum nl80211_band band = chandef->chan->band;
+ struct bss_info_basic *bss;
+ u16 wlan_idx = mvif->sta.wcid.idx;
+ u32 type = NETWORK_INFRA;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BASIC, sizeof(*bss));
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ break;
+ case NL80211_IFTYPE_STATION:
+ /* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
+ if (enable) {
+ struct ieee80211_sta *sta;
+ struct mt7915_sta *msta;
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+
+ msta = (struct mt7915_sta *)sta->drv_priv;
+ wlan_idx = msta->wcid.idx;
+ rcu_read_unlock();
+ }
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ type = NETWORK_IBSS;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ bss = (struct bss_info_basic *)tlv;
+ memcpy(bss->bssid, vif->bss_conf.bssid, ETH_ALEN);
+ bss->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
+ bss->network_type = cpu_to_le32(type);
+ bss->dtim_period = vif->bss_conf.dtim_period;
+ bss->bmc_wcid_lo = to_wcid_lo(wlan_idx);
+ bss->bmc_wcid_hi = to_wcid_hi(wlan_idx);
+ bss->phy_mode = mt7915_get_phy_mode(phy->dev, vif, band, NULL);
+ bss->wmm_idx = mvif->wmm_idx;
+ bss->active = enable;
+
+ return 0;
+}
+
+static void
+mt7915_mcu_bss_omac_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct bss_info_omac *omac;
+ struct tlv *tlv;
+ u32 type = 0;
+ u8 idx;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_OMAC, sizeof(*omac));
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ type = CONNECTION_INFRA_AP;
+ break;
+ case NL80211_IFTYPE_STATION:
+ type = CONNECTION_INFRA_STA;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ type = CONNECTION_IBSS_ADHOC;
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ omac = (struct bss_info_omac *)tlv;
+ idx = mvif->omac_idx > EXT_BSSID_START ? HW_BSSID_0 : mvif->omac_idx;
+ omac->conn_type = cpu_to_le32(type);
+ omac->omac_idx = mvif->omac_idx;
+ omac->band_idx = mvif->band_idx;
+ omac->hw_bss_idx = idx;
+}
+
+struct mt7915_he_obss_narrow_bw_ru_data {
+ bool tolerated;
+};
+
+static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
+ struct cfg80211_bss *bss,
+ void *_data)
+{
+ struct mt7915_he_obss_narrow_bw_ru_data *data = _data;
+ const struct element *elem;
+
+ elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
+
+ if (!elem || elem->datalen < 10 ||
+ !(elem->data[10] &
+ WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
+ data->tolerated = false;
+}
+
+static bool mt7915_check_he_obss_narrow_bw_ru(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct mt7915_he_obss_narrow_bw_ru_data iter_data = {
+ .tolerated = true,
+ };
+
+ if (!(vif->bss_conf.chandef.chan->flags & IEEE80211_CHAN_RADAR))
+ return false;
+
+ cfg80211_bss_iter(hw->wiphy, &vif->bss_conf.chandef,
+ mt7915_check_he_obss_narrow_bw_ru_iter,
+ &iter_data);
+
+ /*
+ * If there is at least one AP on radar channel that cannot
+ * tolerate 26-tone RU UL OFDMA transmissions using HE TB PPDU.
+ */
+ return !iter_data.tolerated;
+}
+
+static void
+mt7915_mcu_bss_rfch_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct mt7915_phy *phy)
+{
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ struct bss_info_rf_ch *ch;
+ struct tlv *tlv;
+ int freq1 = chandef->center_freq1;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RF_CH, sizeof(*ch));
+
+ ch = (struct bss_info_rf_ch *)tlv;
+ ch->pri_ch = chandef->chan->hw_value;
+ ch->center_ch0 = ieee80211_frequency_to_channel(freq1);
+ ch->bw = mt7915_mcu_chan_bw(chandef);
+
+ if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
+ int freq2 = chandef->center_freq2;
+
+ ch->center_ch1 = ieee80211_frequency_to_channel(freq2);
+ }
+
+ if (vif->bss_conf.he_support && vif->type == NL80211_IFTYPE_STATION) {
+ struct mt7915_dev *dev = phy->dev;
+ struct mt76_phy *mphy = &dev->mt76.phy;
+ bool ext_phy = phy != &dev->phy;
+
+ if (ext_phy && dev->mt76.phy2)
+ mphy = dev->mt76.phy2;
+
+ ch->he_ru26_block =
+ mt7915_check_he_obss_narrow_bw_ru(mphy->hw, vif);
+ ch->he_all_disable = false;
+ } else {
+ ch->he_all_disable = true;
+ }
+}
+
+static void
+mt7915_mcu_bss_ra_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct mt7915_phy *phy)
+{
+ struct bss_info_ra *ra;
+ struct tlv *tlv;
+ int max_nss = hweight8(phy->chainmask);
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_RA, sizeof(*ra));
+
+ ra = (struct bss_info_ra *)tlv;
+ ra->op_mode = vif->type == NL80211_IFTYPE_AP;
+ ra->adhoc_en = vif->type == NL80211_IFTYPE_ADHOC;
+ ra->short_preamble = true;
+ ra->tx_streams = max_nss;
+ ra->rx_streams = max_nss;
+ ra->algo = 4;
+ ra->train_up_rule = 2;
+ ra->train_up_high_thres = 110;
+ ra->train_up_rule_rssi = -70;
+ ra->low_traffic_thres = 2;
+ ra->phy_cap = cpu_to_le32(0xfdf);
+ ra->interval = cpu_to_le32(500);
+ ra->fast_interval = cpu_to_le32(100);
+}
+
+static void
+mt7915_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct mt7915_phy *phy)
+{
+#define DEFAULT_HE_PE_DURATION 4
+#define DEFAULT_HE_DURATION_RTS_THRES 1023
+ const struct ieee80211_sta_he_cap *cap;
+ struct bss_info_he *he;
+ struct tlv *tlv;
+
+ cap = mt7915_get_he_phy_cap(phy, vif);
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_HE_BASIC, sizeof(*he));
+
+ he = (struct bss_info_he *)tlv;
+ he->he_pe_duration = vif->bss_conf.htc_trig_based_pkt_ext * 4;
+ if (!he->he_pe_duration)
+ he->he_pe_duration = DEFAULT_HE_PE_DURATION;
+
+ he->he_rts_thres = cpu_to_le16(vif->bss_conf.frame_time_rts_th * 32);
+ if (!he->he_rts_thres)
+ he->he_rts_thres = cpu_to_le16(DEFAULT_HE_DURATION_RTS_THRES);
+
+ he->max_nss_mcs[CMD_HE_MCS_BW80] = cap->he_mcs_nss_supp.tx_mcs_80;
+ he->max_nss_mcs[CMD_HE_MCS_BW160] = cap->he_mcs_nss_supp.tx_mcs_160;
+ he->max_nss_mcs[CMD_HE_MCS_BW8080] = cap->he_mcs_nss_supp.tx_mcs_80p80;
+}
+
+static void
+mt7915_mcu_bss_ext_tlv(struct sk_buff *skb, struct mt7915_vif *mvif)
+{
+/* SIFS 20us + 512 byte beacon tranmitted by 1Mbps (3906us) */
+#define BCN_TX_ESTIMATE_TIME (4096 + 20)
+ struct bss_info_ext_bss *ext;
+ int ext_bss_idx, tsf_offset;
+ struct tlv *tlv;
+
+ ext_bss_idx = mvif->omac_idx - EXT_BSSID_START;
+ if (ext_bss_idx < 0)
+ return;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_EXT_BSS, sizeof(*ext));
+
+ ext = (struct bss_info_ext_bss *)tlv;
+ tsf_offset = ext_bss_idx * BCN_TX_ESTIMATE_TIME;
+ ext->mbss_tsf_offset = cpu_to_le32(tsf_offset);
+}
+
+static void
+mt7915_mcu_bss_bmc_tlv(struct sk_buff *skb, struct mt7915_phy *phy)
+{
+ struct bss_info_bmc_rate *bmc;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ enum nl80211_band band = chandef->chan->band;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BMC_RATE, sizeof(*bmc));
+
+ bmc = (struct bss_info_bmc_rate *)tlv;
+ if (band == NL80211_BAND_2GHZ) {
+ bmc->short_preamble = true;
+ } else {
+ bmc->bc_trans = cpu_to_le16(0x2000);
+ bmc->mc_trans = cpu_to_le16(0x2080);
+ }
+}
+
+static void
+mt7915_mcu_bss_sync_tlv(struct sk_buff *skb, struct ieee80211_vif *vif)
+{
+ struct bss_info_sync_mode *sync;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_SYNC_MODE, sizeof(*sync));
+
+ sync = (struct bss_info_sync_mode *)tlv;
+ sync->bcn_interval = cpu_to_le16(vif->bss_conf.beacon_int);
+ sync->dtim_period = vif->bss_conf.dtim_period;
+ sync->enable = true;
+}
+
+int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
+ struct ieee80211_vif *vif, int enable)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct sk_buff *skb;
+
+ skb = mt7915_mcu_alloc_sta_req(phy->dev, mvif, NULL,
+ MT7915_BSS_UPDATE_MAX_SIZE);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ /* bss_omac must be first */
+ if (enable)
+ mt7915_mcu_bss_omac_tlv(skb, vif);
+
+ mt7915_mcu_bss_basic_tlv(skb, vif, phy, enable);
+
+ if (enable) {
+ mt7915_mcu_bss_rfch_tlv(skb, vif, phy);
+ mt7915_mcu_bss_bmc_tlv(skb, phy);
+ mt7915_mcu_bss_ra_tlv(skb, vif, phy);
+
+ if (vif->bss_conf.he_support)
+ mt7915_mcu_bss_he_tlv(skb, vif, phy);
+
+ if (mvif->omac_idx > HW_BSSID_MAX)
+ mt7915_mcu_bss_ext_tlv(skb, mvif);
+ else
+ mt7915_mcu_bss_sync_tlv(skb, vif);
+ }
+
+ return __mt76_mcu_skb_send_msg(&phy->dev->mt76, skb,
+ MCU_EXT_CMD_BSS_INFO_UPDATE, true);
+}
+
+/** starec & wtbl **/
+static int
+mt7915_mcu_sta_key_tlv(struct sk_buff *skb, struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd)
+{
+ struct sta_rec_sec *sec;
+ struct tlv *tlv;
+ u32 len = sizeof(*sec);
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_KEY_V2, sizeof(*sec));
+
+ sec = (struct sta_rec_sec *)tlv;
+ sec->add = cmd;
+
+ if (cmd == SET_KEY) {
+ struct sec_key *sec_key;
+ u8 cipher;
+
+ cipher = mt7915_mcu_get_cipher(key->cipher);
+ if (cipher == MT_CIPHER_NONE)
+ return -EOPNOTSUPP;
+
+ sec_key = &sec->key[0];
+ sec_key->cipher_len = sizeof(*sec_key);
+ sec_key->key_id = key->keyidx;
+
+ if (cipher == MT_CIPHER_BIP_CMAC_128) {
+ sec_key->cipher_id = MT_CIPHER_AES_CCMP;
+ sec_key->key_len = 16;
+ memcpy(sec_key->key, key->key, 16);
+
+ sec_key = &sec->key[1];
+ sec_key->cipher_id = MT_CIPHER_BIP_CMAC_128;
+ sec_key->cipher_len = sizeof(*sec_key);
+ sec_key->key_len = 16;
+ memcpy(sec_key->key, key->key + 16, 16);
+
+ sec->n_cipher = 2;
+ } else {
+ sec_key->cipher_id = cipher;
+ sec_key->key_len = key->keylen;
+ memcpy(sec_key->key, key->key, key->keylen);
+
+ if (cipher == MT_CIPHER_TKIP) {
+ /* Rx/Tx MIC keys are swapped */
+ memcpy(sec_key->key + 16, key->key + 24, 8);
+ memcpy(sec_key->key + 24, key->key + 16, 8);
+ }
+
+ len -= sizeof(*sec_key);
+ sec->n_cipher = 1;
+ }
+ } else {
+ len -= sizeof(sec->key);
+ sec->n_cipher = 0;
+ }
+ sec->len = cpu_to_le16(len);
+
+ return 0;
+}
+
+int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct mt7915_sta *msta, struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct sk_buff *skb;
+ int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_sec);
+ int ret;
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ ret = mt7915_mcu_sta_key_tlv(skb, key, cmd);
+ if (ret)
+ return ret;
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+static void
+mt7915_mcu_sta_ba_tlv(struct sk_buff *skb,
+ struct ieee80211_ampdu_params *params,
+ bool enable, bool tx)
+{
+ struct sta_rec_ba *ba;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_BA, sizeof(*ba));
+
+ ba = (struct sta_rec_ba *)tlv;
+ ba->ba_type = tx ? MT_BA_TYPE_ORIGINATOR : MT_BA_TYPE_RECIPIENT,
+ ba->winsize = cpu_to_le16(params->buf_size);
+ ba->ssn = cpu_to_le16(params->ssn);
+ ba->ba_en = enable << params->tid;
+ ba->amsdu = params->amsdu;
+ ba->tid = params->tid;
+}
+
+static void
+mt7915_mcu_wtbl_ba_tlv(struct sk_buff *skb,
+ struct ieee80211_ampdu_params *params,
+ bool enable, bool tx, void *sta_wtbl,
+ void *wtbl_tlv)
+{
+ struct wtbl_ba *ba;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_BA, sizeof(*ba),
+ wtbl_tlv, sta_wtbl);
+
+ ba = (struct wtbl_ba *)tlv;
+ ba->tid = params->tid;
+
+ if (tx) {
+ ba->ba_type = MT_BA_TYPE_ORIGINATOR;
+ ba->sn = enable ? cpu_to_le16(params->ssn) : 0;
+ ba->ba_en = enable;
+ } else {
+ memcpy(ba->peer_addr, params->sta->addr, ETH_ALEN);
+ ba->ba_type = MT_BA_TYPE_RECIPIENT;
+ ba->rst_ba_tid = params->tid;
+ ba->rst_ba_sel = RST_BA_MAC_TID_MATCH;
+ ba->rst_ba_sb = 1;
+ }
+
+ if (enable && tx)
+ ba->ba_winsize = cpu_to_le16(params->buf_size);
+}
+
+static int
+mt7915_mcu_sta_ba(struct mt7915_dev *dev,
+ struct ieee80211_ampdu_params *params,
+ bool enable, bool tx)
+{
+ struct mt7915_sta *msta = (struct mt7915_sta *)params->sta->drv_priv;
+ struct mt7915_vif *mvif = msta->vif;
+ struct wtbl_req_hdr *wtbl_hdr;
+ struct tlv *sta_wtbl;
+ struct sk_buff *skb;
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+ MT7915_STA_UPDATE_MAX_SIZE);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ mt7915_mcu_sta_ba_tlv(skb, params, enable, tx);
+ sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+ wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+ &skb);
+ mt7915_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
+ struct ieee80211_ampdu_params *params,
+ bool enable)
+{
+ return mt7915_mcu_sta_ba(dev, params, enable, true);
+}
+
+int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
+ struct ieee80211_ampdu_params *params,
+ bool enable)
+{
+ return mt7915_mcu_sta_ba(dev, params, enable, false);
+}
+
+static void
+mt7915_mcu_wtbl_generic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, void *sta_wtbl,
+ void *wtbl_tlv)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct wtbl_generic *generic;
+ struct wtbl_rx *rx;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_GENERIC, sizeof(*generic),
+ wtbl_tlv, sta_wtbl);
+
+ generic = (struct wtbl_generic *)tlv;
+
+ if (sta) {
+ memcpy(generic->peer_addr, sta->addr, ETH_ALEN);
+ generic->partial_aid = cpu_to_le16(sta->aid);
+ generic->muar_idx = mvif->omac_idx;
+ generic->qos = sta->wme;
+ } else {
+ /* use BSSID in station mode */
+ if (vif->type == NL80211_IFTYPE_STATION)
+ memcpy(generic->peer_addr, vif->bss_conf.bssid,
+ ETH_ALEN);
+ else
+ eth_broadcast_addr(generic->peer_addr);
+
+ generic->muar_idx = 0xe;
+ }
+
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_RX, sizeof(*rx),
+ wtbl_tlv, sta_wtbl);
+
+ rx = (struct wtbl_rx *)tlv;
+ rx->rca1 = sta ? vif->type != NL80211_IFTYPE_AP : 1;
+ rx->rca2 = 1;
+ rx->rv = 1;
+}
+
+static void
+mt7915_mcu_sta_basic_tlv(struct sk_buff *skb, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
+{
+#define EXTRA_INFO_VER BIT(0)
+#define EXTRA_INFO_NEW BIT(1)
+ struct sta_rec_basic *basic;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_BASIC, sizeof(*basic));
+
+ basic = (struct sta_rec_basic *)tlv;
+ basic->extra_info = cpu_to_le16(EXTRA_INFO_VER);
+
+ if (enable) {
+ basic->extra_info |= cpu_to_le16(EXTRA_INFO_NEW);
+ basic->conn_state = CONN_STATE_PORT_SECURE;
+ } else {
+ basic->conn_state = CONN_STATE_DISCONNECT;
+ }
+
+ if (!sta) {
+ basic->conn_type = cpu_to_le32(CONNECTION_INFRA_BC);
+ eth_broadcast_addr(basic->peer_addr);
+ return;
+ }
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_AP:
+ basic->conn_type = cpu_to_le32(CONNECTION_INFRA_STA);
+ break;
+ case NL80211_IFTYPE_STATION:
+ basic->conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ basic->conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+ break;
+ default:
+ WARN_ON(1);
+ break;
+ }
+
+ memcpy(basic->peer_addr, sta->addr, ETH_ALEN);
+ basic->aid = cpu_to_le16(sta->aid);
+ basic->qos = sta->wme;
+}
+
+static void
+mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+{
+ struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
+ struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+ struct sta_rec_he *he;
+ struct tlv *tlv;
+ u32 cap = 0;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_HE, sizeof(*he));
+
+ he = (struct sta_rec_he *)tlv;
+
+ if (elem->mac_cap_info[0] & IEEE80211_HE_MAC_CAP0_HTC_HE)
+ cap |= STA_REC_HE_CAP_HTC;
+
+ if (elem->mac_cap_info[2] & IEEE80211_HE_MAC_CAP2_BSR)
+ cap |= STA_REC_HE_CAP_BSR;
+
+ if (elem->mac_cap_info[3] & IEEE80211_HE_MAC_CAP3_OMI_CONTROL)
+ cap |= STA_REC_HE_CAP_OM;
+
+ if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU)
+ cap |= STA_REC_HE_CAP_AMSDU_IN_AMPDU;
+
+ if (elem->mac_cap_info[4] & IEEE80211_HE_MAC_CAP4_BQR)
+ cap |= STA_REC_HE_CAP_BQR;
+
+ if (elem->phy_cap_info[0] &
+ (IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G |
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
+ cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
+
+ if (elem->phy_cap_info[1] &
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD)
+ cap |= STA_REC_HE_CAP_LDPC;
+
+ if (elem->phy_cap_info[1] &
+ IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US)
+ cap |= STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI;
+
+ if (elem->phy_cap_info[2] &
+ IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US)
+ cap |= STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI;
+
+ if (elem->phy_cap_info[2] &
+ IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ)
+ cap |= STA_REC_HE_CAP_LE_EQ_80M_TX_STBC;
+
+ if (elem->phy_cap_info[2] &
+ IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ)
+ cap |= STA_REC_HE_CAP_LE_EQ_80M_RX_STBC;
+
+ if (elem->phy_cap_info[6] &
+ IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE)
+ cap |= STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE;
+
+ if (elem->phy_cap_info[7] &
+ IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI)
+ cap |= STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI;
+
+ if (elem->phy_cap_info[7] &
+ IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ)
+ cap |= STA_REC_HE_CAP_GT_80M_TX_STBC;
+
+ if (elem->phy_cap_info[7] &
+ IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ)
+ cap |= STA_REC_HE_CAP_GT_80M_RX_STBC;
+
+ if (elem->phy_cap_info[8] &
+ IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI)
+ cap |= STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI;
+
+ if (elem->phy_cap_info[8] &
+ IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI)
+ cap |= STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI;
+
+ if (elem->phy_cap_info[9] &
+ IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK)
+ cap |= STA_REC_HE_CAP_TRIG_CQI_FK;
+
+ if (elem->phy_cap_info[9] &
+ IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU)
+ cap |= STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242;
+
+ if (elem->phy_cap_info[9] &
+ IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU)
+ cap |= STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242;
+
+ he->he_cap = cpu_to_le32(cap);
+
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ if (elem->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
+ he->max_nss_mcs[CMD_HE_MCS_BW8080] =
+ he_cap->he_mcs_nss_supp.rx_mcs_80p80;
+
+ he->max_nss_mcs[CMD_HE_MCS_BW160] =
+ he_cap->he_mcs_nss_supp.rx_mcs_160;
+ /* fall through */
+ default:
+ he->max_nss_mcs[CMD_HE_MCS_BW80] =
+ he_cap->he_mcs_nss_supp.rx_mcs_80;
+ break;
+ }
+
+ he->t_frame_dur =
+ HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
+ he->max_ampdu_exp =
+ HE_MAC(CAP3_MAX_AMPDU_LEN_EXP_MASK, elem->mac_cap_info[3]);
+
+ he->bw_set =
+ HE_PHY(CAP0_CHANNEL_WIDTH_SET_MASK, elem->phy_cap_info[0]);
+ he->device_class =
+ HE_PHY(CAP1_DEVICE_CLASS_A, elem->phy_cap_info[1]);
+ he->punc_pream_rx =
+ HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
+
+ he->dcm_tx_mode =
+ HE_PHY(CAP3_DCM_MAX_CONST_TX_MASK, elem->phy_cap_info[3]);
+ he->dcm_tx_max_nss =
+ HE_PHY(CAP3_DCM_MAX_TX_NSS_2, elem->phy_cap_info[3]);
+ he->dcm_rx_mode =
+ HE_PHY(CAP3_DCM_MAX_CONST_RX_MASK, elem->phy_cap_info[3]);
+ he->dcm_rx_max_nss =
+ HE_PHY(CAP3_DCM_MAX_RX_NSS_2, elem->phy_cap_info[3]);
+ he->dcm_rx_max_nss =
+ HE_PHY(CAP8_DCM_MAX_RU_MASK, elem->phy_cap_info[8]);
+
+ he->pkt_ext = 2;
+}
+
+static void
+mt7915_mcu_sta_muru_tlv(struct sk_buff *skb, struct ieee80211_sta *sta)
+{
+ struct ieee80211_sta_he_cap *he_cap = &sta->he_cap;
+ struct ieee80211_he_cap_elem *elem = &he_cap->he_cap_elem;
+ struct sta_rec_muru *muru;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_MURU, sizeof(*muru));
+
+ muru = (struct sta_rec_muru *)tlv;
+ muru->cfg.ofdma_dl_en = true;
+ muru->cfg.ofdma_ul_en = true;
+ muru->cfg.mimo_dl_en = true;
+ muru->cfg.mimo_ul_en = true;
+
+ muru->ofdma_dl.punc_pream_rx =
+ HE_PHY(CAP1_PREAMBLE_PUNC_RX_MASK, elem->phy_cap_info[1]);
+ muru->ofdma_dl.he_20m_in_40m_2g =
+ HE_PHY(CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G, elem->phy_cap_info[8]);
+ muru->ofdma_dl.he_20m_in_160m =
+ HE_PHY(CAP8_20MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
+ muru->ofdma_dl.he_80m_in_160m =
+ HE_PHY(CAP8_80MHZ_IN_160MHZ_HE_PPDU, elem->phy_cap_info[8]);
+ muru->ofdma_dl.lt16_sigb = 0;
+ muru->ofdma_dl.rx_su_comp_sigb = 0;
+ muru->ofdma_dl.rx_su_non_comp_sigb = 0;
+
+ muru->ofdma_ul.t_frame_dur =
+ HE_MAC(CAP1_TF_MAC_PAD_DUR_MASK, elem->mac_cap_info[1]);
+ muru->ofdma_ul.mu_cascading =
+ HE_MAC(CAP2_MU_CASCADING, elem->mac_cap_info[2]);
+ muru->ofdma_ul.uo_ra =
+ HE_MAC(CAP3_OFDMA_RA, elem->mac_cap_info[3]);
+ muru->ofdma_ul.he_2x996_tone = 0;
+ muru->ofdma_ul.rx_t_frame_11ac = 0;
+
+ muru->mimo_dl.vht_mu_bfee =
+ !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
+ muru->mimo_dl.partial_bw_dl_mimo =
+ HE_PHY(CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO, elem->phy_cap_info[6]);
+
+ muru->mimo_ul.full_ul_mimo =
+ HE_PHY(CAP2_UL_MU_FULL_MU_MIMO, elem->phy_cap_info[2]);
+ muru->mimo_ul.partial_ul_mimo =
+ HE_PHY(CAP2_UL_MU_PARTIAL_MU_MIMO, elem->phy_cap_info[2]);
+}
+
+static void
+mt7915_mcu_sta_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
+ struct ieee80211_sta *sta)
+{
+ struct tlv *tlv;
+
+ if (sta->ht_cap.ht_supported) {
+ struct sta_rec_ht *ht;
+
+ /* starec ht */
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_HT, sizeof(*ht));
+ ht = (struct sta_rec_ht *)tlv;
+ ht->ht_cap = cpu_to_le16(sta->ht_cap.cap);
+ }
+
+ /* starec vht */
+ if (sta->vht_cap.vht_supported) {
+ struct sta_rec_vht *vht;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_VHT, sizeof(*vht));
+ vht = (struct sta_rec_vht *)tlv;
+ vht->vht_cap = cpu_to_le32(sta->vht_cap.cap);
+ vht->vht_rx_mcs_map = sta->vht_cap.vht_mcs.rx_mcs_map;
+ vht->vht_tx_mcs_map = sta->vht_cap.vht_mcs.tx_mcs_map;
+ }
+
+ /* starec he */
+ if (sta->he_cap.has_he)
+ mt7915_mcu_sta_he_tlv(skb, sta);
+
+ /* starec muru */
+ if (sta->he_cap.has_he || sta->vht_cap.vht_supported)
+ mt7915_mcu_sta_muru_tlv(skb, sta);
+}
+
+static void
+mt7915_mcu_wtbl_smps_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+ void *sta_wtbl, void *wtbl_tlv)
+{
+ struct wtbl_smps *smps;
+ struct tlv *tlv;
+
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_SMPS, sizeof(*smps),
+ wtbl_tlv, sta_wtbl);
+ smps = (struct wtbl_smps *)tlv;
+
+ if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
+ smps->smps = true;
+}
+
+static void
+mt7915_mcu_wtbl_ht_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+ void *sta_wtbl, void *wtbl_tlv)
+{
+ struct wtbl_ht *ht = NULL;
+ struct tlv *tlv;
+
+ /* wtbl ht */
+ if (sta->ht_cap.ht_supported) {
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_HT, sizeof(*ht),
+ wtbl_tlv, sta_wtbl);
+ ht = (struct wtbl_ht *)tlv;
+ ht->ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
+ ht->af = sta->ht_cap.ampdu_factor;
+ ht->mm = sta->ht_cap.ampdu_density;
+ ht->ht = true;
+ }
+
+ /* wtbl vht */
+ if (sta->vht_cap.vht_supported) {
+ struct wtbl_vht *vht;
+ u8 af;
+
+ tlv = mt7915_mcu_add_nested_tlv(skb, WTBL_VHT, sizeof(*vht),
+ wtbl_tlv, sta_wtbl);
+ vht = (struct wtbl_vht *)tlv;
+ vht->ldpc = sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC,
+ vht->vht = true;
+
+ af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+ sta->vht_cap.cap);
+ if (ht)
+ ht->af = max_t(u8, ht->af, af);
+ }
+
+ mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_tlv);
+}
+
+int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct wtbl_req_hdr *wtbl_hdr;
+ struct tlv *sta_wtbl;
+ struct sk_buff *skb;
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+ MT7915_STA_UPDATE_MAX_SIZE);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+ wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
+ &skb);
+ mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+static void
+mt7915_mcu_sta_sounding_rate(struct sta_rec_bf *bf)
+{
+ bf->sounding_phy = MT_PHY_TYPE_OFDM;
+ bf->ndp_rate = 0; /* mcs0 */
+ bf->ndpa_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
+ bf->rept_poll_rate = MT7915_CFEND_RATE_DEFAULT; /* ofdm 24m */
+}
+
+static void
+mt7915_mcu_sta_bfer_ht(struct ieee80211_sta *sta, struct sta_rec_bf *bf)
+{
+ struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
+ u8 n = 0;
+
+ bf->tx_mode = MT_PHY_TYPE_HT;
+ bf->bf_cap |= MT_IBF;
+
+ if (mcs->tx_params & IEEE80211_HT_MCS_TX_RX_DIFF &&
+ (mcs->tx_params & IEEE80211_HT_MCS_TX_DEFINED))
+ n = FIELD_GET(IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK,
+ mcs->tx_params);
+ else if (mcs->rx_mask[3])
+ n = 3;
+ else if (mcs->rx_mask[2])
+ n = 2;
+ else if (mcs->rx_mask[1])
+ n = 1;
+
+ bf->nc = min_t(u8, bf->nr, n);
+ bf->ibf_ncol = bf->nc;
+
+ if (sta->bandwidth <= IEEE80211_STA_RX_BW_40 && !bf->nc)
+ bf->ibf_timeout = 0x48;
+}
+
+static void
+mt7915_mcu_sta_bfer_vht(struct ieee80211_sta *sta, struct mt7915_phy *phy,
+ struct sta_rec_bf *bf)
+{
+ struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
+ struct ieee80211_sta_vht_cap *vc = &phy->mt76->sband_5g.sband.vht_cap;
+ u8 bfee_nr, bfer_nr, n, tx_ant = hweight8(phy->chainmask) - 1;
+ u16 mcs_map;
+
+ bf->tx_mode = MT_PHY_TYPE_VHT;
+ bf->bf_cap |= MT_EBF;
+
+ mt7915_mcu_sta_sounding_rate(bf);
+
+ bfee_nr = FIELD_GET(IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK,
+ pc->cap);
+ bfer_nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+ vc->cap);
+ mcs_map = le16_to_cpu(pc->vht_mcs.rx_mcs_map);
+
+ n = min_t(u8, bfer_nr, bfee_nr);
+ bf->nr = min_t(u8, n, tx_ant);
+ n = mt7915_mcu_get_sta_nss(mcs_map);
+
+ bf->nc = min_t(u8, n, bf->nr);
+ bf->ibf_ncol = bf->nc;
+
+ /* force nr from 4 to 2 */
+ if (sta->bandwidth == IEEE80211_STA_RX_BW_160)
+ bf->nr = 1;
+}
+
+static void
+mt7915_mcu_sta_bfer_he(struct ieee80211_sta *sta, struct ieee80211_vif *vif,
+ struct mt7915_phy *phy, struct sta_rec_bf *bf)
+{
+ struct ieee80211_sta_he_cap *pc = &sta->he_cap;
+ struct ieee80211_he_cap_elem *pe = &pc->he_cap_elem;
+ const struct ieee80211_he_cap_elem *ve;
+ const struct ieee80211_sta_he_cap *vc;
+ u8 bfee_nr, bfer_nr, nss_mcs;
+ u16 mcs_map;
+
+ vc = mt7915_get_he_phy_cap(phy, vif);
+ ve = &vc->he_cap_elem;
+
+ bf->tx_mode = MT_PHY_TYPE_HE_SU;
+ bf->bf_cap |= MT_EBF;
+
+ mt7915_mcu_sta_sounding_rate(bf);
+
+ bf->trigger_su = HE_PHY(CAP6_TRIG_SU_BEAMFORMER_FB,
+ pe->phy_cap_info[6]);
+ bf->trigger_mu = HE_PHY(CAP6_TRIG_MU_BEAMFORMER_FB,
+ pe->phy_cap_info[6]);
+ bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+ ve->phy_cap_info[5]);
+ bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK,
+ pe->phy_cap_info[4]);
+
+ mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.tx_mcs_80);
+ nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
+
+ bf->nr = min_t(u8, bfer_nr, bfee_nr);
+ bf->nc = min_t(u8, nss_mcs, bf->nr);
+ bf->ibf_ncol = bf->nc;
+
+ if (sta->bandwidth != IEEE80211_STA_RX_BW_160)
+ return;
+
+ /* go over for 160MHz and 80p80 */
+ if (pe->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) {
+ mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_160);
+ nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
+
+ bf->nc_bw160 = nss_mcs;
+ }
+
+ if (pe->phy_cap_info[0] &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) {
+ mcs_map = le16_to_cpu(pc->he_mcs_nss_supp.rx_mcs_80p80);
+ nss_mcs = mt7915_mcu_get_sta_nss(mcs_map);
+
+ if (bf->nc_bw160)
+ bf->nc_bw160 = min_t(u8, bf->nc_bw160, nss_mcs);
+ else
+ bf->nc_bw160 = nss_mcs;
+ }
+
+ bfer_nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK,
+ ve->phy_cap_info[5]);
+ bfee_nr = HE_PHY(CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK,
+ pe->phy_cap_info[4]);
+
+ bf->nr_bw160 = min_t(int, bfer_nr, bfee_nr);
+}
+
+static void
+mt7915_mcu_sta_bfer_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+ struct ieee80211_vif *vif, struct mt7915_phy *phy,
+ bool enable)
+{
+ struct sta_rec_bf *bf;
+ struct tlv *tlv;
+ int tx_ant = hweight8(phy->chainmask) - 1;
+ const u8 matrix[4][4] = {
+ {0, 0, 0, 0},
+ {1, 1, 0, 0}, /* 2x1, 2x2, 2x3, 2x4 */
+ {2, 4, 4, 0}, /* 3x1, 3x2, 3x3, 3x4 */
+ {3, 5, 6, 0} /* 4x1, 4x2, 4x3, 4x4 */
+ };
+
+#define MT_BFER_FREE cpu_to_le16(GENMASK(15, 0))
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_BF, sizeof(*bf));
+ bf = (struct sta_rec_bf *)tlv;
+
+ if (!enable) {
+ bf->pfmu = MT_BFER_FREE;
+ return;
+ }
+
+ bf->bw = sta->bandwidth;
+ bf->ibf_dbw = sta->bandwidth;
+ bf->ibf_nrow = tx_ant;
+ bf->ibf_timeout = 0x18;
+
+ if (sta->he_cap.has_he)
+ mt7915_mcu_sta_bfer_he(sta, vif, phy, bf);
+ else if (sta->vht_cap.vht_supported)
+ mt7915_mcu_sta_bfer_vht(sta, phy, bf);
+ else if (sta->ht_cap.ht_supported)
+ mt7915_mcu_sta_bfer_ht(sta, bf);
+
+ if (bf->bf_cap & MT_EBF && bf->nr != tx_ant)
+ bf->mem_20m = matrix[tx_ant][bf->nc];
+ else
+ bf->mem_20m = matrix[bf->nr][bf->nc];
+
+ switch (sta->bandwidth) {
+ case IEEE80211_STA_RX_BW_160:
+ case IEEE80211_STA_RX_BW_80:
+ bf->mem_total = bf->mem_20m * 2;
+ break;
+ case IEEE80211_STA_RX_BW_40:
+ bf->mem_total = bf->mem_20m;
+ break;
+ case IEEE80211_STA_RX_BW_20:
+ default:
+ break;
+ }
+}
+
+static void
+mt7915_mcu_sta_bfee_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
+ struct mt7915_phy *phy)
+{
+ struct sta_rec_bfee *bfee;
+ struct tlv *tlv;
+ int tx_ant = hweight8(phy->chainmask) - 1;
+ u8 nr = 0;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_BFEE, sizeof(*bfee));
+ bfee = (struct sta_rec_bfee *)tlv;
+
+ if (sta->he_cap.has_he) {
+ struct ieee80211_he_cap_elem *pe = &sta->he_cap.he_cap_elem;
+
+ nr = HE_PHY(CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
+ pe->phy_cap_info[5]);
+ } else if (sta->vht_cap.vht_supported) {
+ struct ieee80211_sta_vht_cap *pc = &sta->vht_cap;
+
+ nr = FIELD_GET(IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK,
+ pc->cap);
+ }
+
+ /* reply with identity matrix to avoid 2x2 BF negative gain */
+ if (nr == 1 && tx_ant == 2)
+ bfee->fb_identity_matrix = true;
+}
+
+static u8
+mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ u8 type = 0;
+
+ if (vif->type != NL80211_IFTYPE_STATION &&
+ vif->type != NL80211_IFTYPE_AP)
+ return 0;
+
+ if (sta->he_cap.has_he) {
+ struct ieee80211_he_cap_elem *pe;
+ const struct ieee80211_he_cap_elem *ve;
+ const struct ieee80211_sta_he_cap *vc;
+
+ pe = &sta->he_cap.he_cap_elem;
+ vc = mt7915_get_he_phy_cap(phy, vif);
+ ve = &vc->he_cap_elem;
+
+ if ((HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) ||
+ HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4])) &&
+ HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]))
+ type |= MT_STA_BFEE;
+
+ if ((HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) ||
+ HE_PHY(CAP4_MU_BEAMFORMER, ve->phy_cap_info[4])) &&
+ HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]))
+ type |= MT_STA_BFER;
+ } else if (sta->vht_cap.vht_supported) {
+ struct ieee80211_sta_vht_cap *pc;
+ struct ieee80211_sta_vht_cap *vc;
+ u32 cr, ce;
+
+ pc = &sta->vht_cap;
+ vc = &phy->mt76->sband_5g.sband.vht_cap;
+ cr = IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
+ ce = IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
+ if ((pc->cap & cr) && (vc->cap & ce))
+ type |= MT_STA_BFEE;
+
+ if ((vc->cap & cr) && (pc->cap & ce))
+ type |= MT_STA_BFER;
+ } else if (sta->ht_cap.ht_supported) {
+ /* TODO: iBF */
+ }
+
+ return type;
+}
+
+static int
+mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_phy *phy;
+ struct sk_buff *skb;
+ int r, len;
+ u8 type;
+
+ phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
+
+ type = mt7915_mcu_sta_txbf_type(phy, vif, sta);
+
+ /* must keep each tag independent */
+
+ /* starec bf */
+ if (type & MT_STA_BFER) {
+ len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ mt7915_mcu_sta_bfer_tlv(skb, sta, vif, phy, enable);
+
+ r = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+ if (r)
+ return r;
+ }
+
+ /* starec bfee */
+ if (type & MT_STA_BFEE) {
+ len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bfee);
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ mt7915_mcu_sta_bfee_tlv(skb, sta, phy);
+
+ r = __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+ if (r)
+ return r;
+ }
+
+ return 0;
+}
+
+static void
+mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct cfg80211_chan_def *chandef = &dev->mphy.chandef;
+ struct sta_rec_ra *ra;
+ struct tlv *tlv;
+ enum nl80211_band band = chandef->chan->band;
+ u32 supp_rate = sta->supp_rates[band];
+ int n_rates = hweight32(supp_rate);
+ u32 cap = sta->wme ? STA_CAP_WMM : 0;
+ u8 i, nss = sta->rx_nss, mcs = 0;
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA, sizeof(*ra));
+
+ ra = (struct sta_rec_ra *)tlv;
+ ra->valid = true;
+ ra->auto_rate = true;
+ ra->phy_mode = mt7915_get_phy_mode(dev, vif, band, sta);
+ ra->channel = chandef->chan->hw_value;
+ ra->bw = sta->bandwidth;
+ ra->rate_len = n_rates;
+ ra->phy.bw = sta->bandwidth;
+
+ if (n_rates) {
+ if (band == NL80211_BAND_2GHZ) {
+ ra->supp_mode = MODE_CCK;
+ ra->supp_cck_rate = supp_rate & GENMASK(3, 0);
+ ra->phy.type = MT_PHY_TYPE_CCK;
+
+ if (n_rates > 4) {
+ ra->supp_mode |= MODE_OFDM;
+ ra->supp_ofdm_rate = supp_rate >> 4;
+ ra->phy.type = MT_PHY_TYPE_OFDM;
+ }
+ } else {
+ ra->supp_mode = MODE_OFDM;
+ ra->supp_ofdm_rate = supp_rate;
+ ra->phy.type = MT_PHY_TYPE_OFDM;
+ }
+ }
+
+ if (sta->ht_cap.ht_supported) {
+ for (i = 0; i < nss; i++)
+ ra->ht_mcs[i] = sta->ht_cap.mcs.rx_mask[i];
+
+ ra->supp_ht_mcs = *(__le32 *)ra->ht_mcs;
+ ra->supp_mode |= MODE_HT;
+ mcs = hweight32(le32_to_cpu(ra->supp_ht_mcs)) - 1;
+ ra->af = sta->ht_cap.ampdu_factor;
+ ra->ht_gf = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD);
+
+ cap |= STA_CAP_HT;
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20)
+ cap |= STA_CAP_SGI_20;
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
+ cap |= STA_CAP_SGI_40;
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC)
+ cap |= STA_CAP_TX_STBC;
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
+ cap |= STA_CAP_RX_STBC;
+ if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
+ cap |= STA_CAP_LDPC;
+ }
+
+ if (sta->vht_cap.vht_supported) {
+ u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
+ u16 vht_mcs;
+ u8 af, mcs_prev;
+
+ af = FIELD_GET(IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK,
+ sta->vht_cap.cap);
+ ra->af = max_t(u8, ra->af, af);
+
+ cap |= STA_CAP_VHT;
+ if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
+ cap |= STA_CAP_VHT_SGI_80;
+ if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_160)
+ cap |= STA_CAP_VHT_SGI_160;
+ if (sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC)
+ cap |= STA_CAP_VHT_TX_STBC;
+ if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
+ cap |= STA_CAP_VHT_RX_STBC;
+ if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
+ cap |= STA_CAP_VHT_LDPC;
+
+ ra->supp_mode |= MODE_VHT;
+ for (mcs = 0, i = 0; i < nss; i++, mcs_map >>= 2) {
+ switch (mcs_map & 0x3) {
+ case IEEE80211_VHT_MCS_SUPPORT_0_9:
+ vht_mcs = GENMASK(9, 0);
+ break;
+ case IEEE80211_VHT_MCS_SUPPORT_0_8:
+ vht_mcs = GENMASK(8, 0);
+ break;
+ case IEEE80211_VHT_MCS_SUPPORT_0_7:
+ vht_mcs = GENMASK(7, 0);
+ break;
+ default:
+ vht_mcs = 0;
+ }
+
+ ra->supp_vht_mcs[i] = cpu_to_le16(vht_mcs);
+
+ mcs_prev = hweight16(vht_mcs) - 1;
+ if (mcs_prev > mcs)
+ mcs = mcs_prev;
+
+ /* only support 2ss on 160MHz */
+ if (i > 1 && (ra->bw == CMD_CBW_160MHZ ||
+ ra->bw == CMD_CBW_8080MHZ))
+ break;
+ }
+ }
+
+ if (sta->he_cap.has_he) {
+ ra->supp_mode |= MODE_HE;
+ cap |= STA_CAP_HE;
+ }
+
+ ra->sta_status = cpu_to_le32(cap);
+
+ switch (BIT(fls(ra->supp_mode) - 1)) {
+ case MODE_VHT:
+ ra->phy.type = MT_PHY_TYPE_VHT;
+ ra->phy.mcs = mcs;
+ ra->phy.nss = nss;
+ ra->phy.stbc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_TXSTBC);
+ ra->phy.ldpc = !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC);
+ ra->phy.sgi =
+ !!(sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80);
+ break;
+ case MODE_HT:
+ ra->phy.type = MT_PHY_TYPE_HT;
+ ra->phy.mcs = mcs;
+ ra->phy.ldpc = sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING;
+ ra->phy.stbc = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC);
+ ra->phy.sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
+ break;
+ default:
+ break;
+ }
+}
+
+int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct sk_buff *skb;
+ int len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_ra);
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ mt7915_mcu_sta_rate_ctrl_tlv(skb, dev, vif, sta);
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
+{
+ int ret;
+
+ if (!sta)
+ return 0;
+
+ /* must keep the order */
+ ret = mt7915_mcu_add_txbf(dev, vif, sta, enable);
+ if (ret)
+ return ret;
+
+ if (enable)
+ return mt7915_mcu_add_rate_ctrl(dev, vif, sta);
+
+ return 0;
+}
+
+int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct wtbl_req_hdr *wtbl_hdr;
+ struct mt7915_sta *msta;
+ struct tlv *sta_wtbl;
+ struct sk_buff *skb;
+
+ msta = sta ? (struct mt7915_sta *)sta->drv_priv : &mvif->sta;
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta,
+ MT7915_STA_UPDATE_MAX_SIZE);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ mt7915_mcu_sta_basic_tlv(skb, vif, sta, enable);
+ if (enable && sta)
+ mt7915_mcu_sta_tlv(dev, skb, sta);
+
+ sta_wtbl = mt7915_mcu_add_tlv(skb, STA_REC_WTBL, sizeof(struct tlv));
+
+ wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
+ sta_wtbl, &skb);
+ if (enable) {
+ mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
+ if (sta)
+ mt7915_mcu_wtbl_ht_tlv(skb, sta, sta_wtbl, wtbl_hdr);
+ }
+
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
+ struct ieee80211_sta *sta, u32 rate)
+{
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_vif *mvif = msta->vif;
+ struct sta_rec_ra_fixed *ra;
+ struct sk_buff *skb;
+ struct tlv *tlv;
+ int len = sizeof(struct sta_req_hdr) + sizeof(*ra);
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ tlv = mt7915_mcu_add_tlv(skb, STA_REC_RA_UPDATE, sizeof(*ra));
+ ra = (struct sta_rec_ra_fixed *)tlv;
+
+ if (!rate) {
+ ra->field = cpu_to_le32(RATE_PARAM_AUTO);
+ goto out;
+ } else {
+ ra->field = cpu_to_le32(RATE_PARAM_FIXED);
+ }
+
+ ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate);
+ ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate);
+ ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate);
+ ra->phy.mcs = FIELD_GET(RATE_CFG_MCS, rate);
+ ra->phy.stbc = FIELD_GET(RATE_CFG_STBC, rate);
+
+ if (ra->phy.bw)
+ ra->phy.ldpc = 7;
+ else
+ ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7;
+
+ /* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */
+ if (ra->phy.type > MT_PHY_TYPE_VHT)
+ ra->phy.sgi = ra->phy.mcs * 85;
+ else
+ ra->phy.sgi = ra->phy.mcs * 15;
+
+out:
+ return __mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD_STA_REC_UPDATE, true);
+}
+
+int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
+ struct ieee80211_vif *vif, bool enable)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct {
+ struct req_hdr {
+ u8 omac_idx;
+ u8 dbdc_idx;
+ __le16 tlv_num;
+ u8 is_tlv_append;
+ u8 rsv[3];
+ } __packed hdr;
+ struct req_tlv {
+ __le16 tag;
+ __le16 len;
+ u8 active;
+ u8 dbdc_idx;
+ u8 omac_addr[ETH_ALEN];
+ } __packed tlv;
+ } data = {
+ .hdr = {
+ .omac_idx = mvif->omac_idx,
+ .dbdc_idx = mvif->band_idx,
+ .tlv_num = cpu_to_le16(1),
+ .is_tlv_append = 1,
+ },
+ .tlv = {
+ .tag = cpu_to_le16(DEV_INFO_ACTIVE),
+ .len = cpu_to_le16(sizeof(struct req_tlv)),
+ .active = enable,
+ .dbdc_idx = mvif->band_idx,
+ },
+ };
+
+ memcpy(data.tlv.omac_addr, vif->addr, ETH_ALEN);
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_DEV_INFO_UPDATE,
+ &data, sizeof(data), true);
+}
+
+static void
+mt7915_mcu_beacon_csa(struct sk_buff *rskb, struct sk_buff *skb,
+ struct bss_info_bcn *bcn,
+ struct ieee80211_mutable_offsets *offs)
+{
+ if (offs->csa_counter_offs[0]) {
+ struct tlv *tlv;
+ struct bss_info_bcn_csa *csa;
+
+ tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CSA,
+ sizeof(*csa), &bcn->sub_ntlv,
+ &bcn->len);
+ csa = (struct bss_info_bcn_csa *)tlv;
+ csa->cnt = skb->data[offs->csa_counter_offs[0]];
+ }
+}
+
+static void
+mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
+ struct sk_buff *skb, struct bss_info_bcn *bcn,
+ struct ieee80211_mutable_offsets *offs)
+{
+ struct mt76_wcid *wcid = &dev->mt76.global_wcid;
+ struct bss_info_bcn_cont *cont;
+ struct tlv *tlv;
+ u8 *buf;
+ int len = sizeof(*cont) + MT_TXD_SIZE + skb->len;
+
+ tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CONTENT,
+ len, &bcn->sub_ntlv, &bcn->len);
+
+ cont = (struct bss_info_bcn_cont *)tlv;
+ cont->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
+ cont->tim_ofs = cpu_to_le16(offs->tim_offset);
+
+ if (offs->csa_counter_offs[0])
+ cont->csa_ofs = cpu_to_le16(offs->csa_counter_offs[0] - 4);
+
+ buf = (u8 *)tlv + sizeof(*cont);
+ mt7915_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, NULL,
+ true);
+ memcpy(buf + MT_TXD_SIZE, skb->data, skb->len);
+}
+
+int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, int en)
+{
+#define MAX_BEACON_SIZE 512
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+ struct mt7915_phy *phy = mt7915_hw_phy(hw);
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct ieee80211_mutable_offsets offs;
+ struct ieee80211_tx_info *info;
+ struct sk_buff *skb, *rskb;
+ struct tlv *tlv;
+ struct bss_info_bcn *bcn;
+ int len = MT7915_BEACON_UPDATE_SIZE + MAX_BEACON_SIZE;
+
+ rskb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
+ if (IS_ERR(rskb))
+ return PTR_ERR(rskb);
+
+ tlv = mt7915_mcu_add_tlv(rskb, BSS_INFO_OFFLOAD, sizeof(*bcn));
+ bcn = (struct bss_info_bcn *)tlv;
+ bcn->enable = en;
+
+ skb = ieee80211_beacon_get_template(hw, vif, &offs);
+ if (!skb)
+ return -EINVAL;
+
+ if (skb->len > MAX_BEACON_SIZE - MT_TXD_SIZE) {
+ dev_err(dev->mt76.dev, "Bcn size limit exceed\n");
+ dev_kfree_skb(skb);
+ return -EINVAL;
+ }
+
+ if (mvif->band_idx) {
+ info = IEEE80211_SKB_CB(skb);
+ info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
+ }
+
+ /* TODO: subtag - bss color count & 11v MBSSID */
+ mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
+ mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
+ dev_kfree_skb(skb);
+
+ return __mt76_mcu_skb_send_msg(&phy->dev->mt76, rskb,
+ MCU_EXT_CMD_BSS_INFO_UPDATE, true);
+}
+
+static int mt7915_mcu_send_firmware(struct mt7915_dev *dev, const void *data,
+ int len)
+{
+ int ret = 0, cur_len;
+
+ while (len > 0) {
+ cur_len = min_t(int, 4096 - sizeof(struct mt7915_mcu_txd),
+ len);
+
+ ret = __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_SCATTER,
+ data, cur_len, false);
+ if (ret)
+ break;
+
+ data += cur_len;
+ len -= cur_len;
+ mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
+ }
+
+ return ret;
+}
+
+static int mt7915_mcu_start_firmware(struct mt7915_dev *dev, u32 addr,
+ u32 option)
+{
+ struct {
+ __le32 option;
+ __le32 addr;
+ } req = {
+ .option = cpu_to_le32(option),
+ .addr = cpu_to_le32(addr),
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_FW_START_REQ,
+ &req, sizeof(req), true);
+}
+
+static int mt7915_mcu_restart(struct mt76_dev *dev)
+{
+ struct {
+ u8 power_mode;
+ u8 rsv[3];
+ } req = {
+ .power_mode = 1,
+ };
+
+ return __mt76_mcu_send_msg(dev, -MCU_CMD_NIC_POWER_CTRL, &req,
+ sizeof(req), false);
+}
+
+static int mt7915_mcu_patch_sem_ctrl(struct mt7915_dev *dev, bool get)
+{
+ struct {
+ __le32 op;
+ } req = {
+ .op = cpu_to_le32(get ? PATCH_SEM_GET : PATCH_SEM_RELEASE),
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_SEM_CONTROL,
+ &req, sizeof(req), true);
+}
+
+static int mt7915_mcu_start_patch(struct mt7915_dev *dev)
+{
+ struct {
+ u8 check_crc;
+ u8 reserved[3];
+ } req = {
+ .check_crc = 0,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, -MCU_CMD_PATCH_FINISH_REQ,
+ &req, sizeof(req), true);
+}
+
+static int mt7915_driver_own(struct mt7915_dev *dev)
+{
+ u32 reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+
+ mt76_wr(dev, reg, MT_TOP_LPCR_HOST_DRV_OWN);
+ if (!mt76_poll_msec(dev, reg, MT_TOP_LPCR_HOST_FW_OWN,
+ 0, 500)) {
+ dev_err(dev->mt76.dev, "Timeout for driver own\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int mt7915_mcu_init_download(struct mt7915_dev *dev, u32 addr,
+ u32 len, u32 mode)
+{
+ struct {
+ __le32 addr;
+ __le32 len;
+ __le32 mode;
+ } req = {
+ .addr = cpu_to_le32(addr),
+ .len = cpu_to_le32(len),
+ .mode = cpu_to_le32(mode),
+ };
+ int attr;
+
+ if (req.addr == cpu_to_le32(MCU_PATCH_ADDRESS))
+ attr = -MCU_CMD_PATCH_START_REQ;
+ else
+ attr = -MCU_CMD_TARGET_ADDRESS_LEN_REQ;
+
+ return __mt76_mcu_send_msg(&dev->mt76, attr, &req, sizeof(req), true);
+}
+
+static int mt7915_load_patch(struct mt7915_dev *dev)
+{
+ const struct mt7915_patch_hdr *hdr;
+ const struct firmware *fw = NULL;
+ int i, ret, sem;
+
+ sem = mt7915_mcu_patch_sem_ctrl(dev, 1);
+ switch (sem) {
+ case PATCH_IS_DL:
+ return 0;
+ case PATCH_NOT_DL_SEM_SUCCESS:
+ break;
+ default:
+ dev_err(dev->mt76.dev, "Failed to get patch semaphore\n");
+ return -EAGAIN;
+ }
+
+ ret = request_firmware(&fw, MT7915_ROM_PATCH, dev->mt76.dev);
+ if (ret)
+ goto out;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+ dev_err(dev->mt76.dev, "Invalid firmware\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ hdr = (const struct mt7915_patch_hdr *)(fw->data);
+
+ dev_info(dev->mt76.dev, "HW/SW Version: 0x%x, Build Time: %.16s\n",
+ be32_to_cpu(hdr->hw_sw_ver), hdr->build_date);
+
+ for (i = 0; i < be32_to_cpu(hdr->desc.n_region); i++) {
+ struct mt7915_patch_sec *sec;
+ const u8 *dl;
+ u32 len, addr;
+
+ sec = (struct mt7915_patch_sec *)(fw->data + sizeof(*hdr) +
+ i * sizeof(*sec));
+ if ((be32_to_cpu(sec->type) & PATCH_SEC_TYPE_MASK) !=
+ PATCH_SEC_TYPE_INFO) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ addr = be32_to_cpu(sec->info.addr);
+ len = be32_to_cpu(sec->info.len);
+ dl = fw->data + be32_to_cpu(sec->offs);
+
+ ret = mt7915_mcu_init_download(dev, addr, len,
+ DL_MODE_NEED_RSP);
+ if (ret) {
+ dev_err(dev->mt76.dev, "Download request failed\n");
+ goto out;
+ }
+
+ ret = mt7915_mcu_send_firmware(dev, dl, len);
+ if (ret) {
+ dev_err(dev->mt76.dev, "Failed to send patch\n");
+ goto out;
+ }
+ }
+
+ ret = mt7915_mcu_start_patch(dev);
+ if (ret)
+ dev_err(dev->mt76.dev, "Failed to start patch\n");
+
+out:
+ sem = mt7915_mcu_patch_sem_ctrl(dev, 0);
+ switch (sem) {
+ case PATCH_REL_SEM_SUCCESS:
+ break;
+ default:
+ ret = -EAGAIN;
+ dev_err(dev->mt76.dev, "Failed to release patch semaphore\n");
+ goto out;
+ }
+ release_firmware(fw);
+
+ return ret;
+}
+
+static u32 mt7915_mcu_gen_dl_mode(u8 feature_set, bool is_wa)
+{
+ u32 ret = 0;
+
+ ret |= (feature_set & FW_FEATURE_SET_ENCRYPT) ?
+ (DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV) : 0;
+ ret |= FIELD_PREP(DL_MODE_KEY_IDX,
+ FIELD_GET(FW_FEATURE_SET_KEY_IDX, feature_set));
+ ret |= DL_MODE_NEED_RSP;
+ ret |= is_wa ? DL_MODE_WORKING_PDA_CR4 : 0;
+
+ return ret;
+}
+
+static int
+mt7915_mcu_send_ram_firmware(struct mt7915_dev *dev,
+ const struct mt7915_fw_trailer *hdr,
+ const u8 *data, bool is_wa)
+{
+ int i, offset = 0;
+ u32 override = 0, option = 0;
+
+ for (i = 0; i < hdr->n_region; i++) {
+ const struct mt7915_fw_region *region;
+ int err;
+ u32 len, addr, mode;
+
+ region = (const struct mt7915_fw_region *)((const u8 *)hdr -
+ (hdr->n_region - i) * sizeof(*region));
+ mode = mt7915_mcu_gen_dl_mode(region->feature_set, is_wa);
+ len = le32_to_cpu(region->len);
+ addr = le32_to_cpu(region->addr);
+
+ if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR)
+ override = addr;
+
+ err = mt7915_mcu_init_download(dev, addr, len, mode);
+ if (err) {
+ dev_err(dev->mt76.dev, "Download request failed\n");
+ return err;
+ }
+
+ err = mt7915_mcu_send_firmware(dev, data + offset, len);
+ if (err) {
+ dev_err(dev->mt76.dev, "Failed to send firmware.\n");
+ return err;
+ }
+
+ offset += len;
+ }
+
+ if (override)
+ option |= FW_START_OVERRIDE;
+
+ if (is_wa)
+ option |= FW_START_WORKING_PDA_CR4;
+
+ return mt7915_mcu_start_firmware(dev, override, option);
+}
+
+static int mt7915_load_ram(struct mt7915_dev *dev)
+{
+ const struct mt7915_fw_trailer *hdr;
+ const struct firmware *fw;
+ int ret;
+
+ ret = request_firmware(&fw, MT7915_FIRMWARE_WM, dev->mt76.dev);
+ if (ret)
+ return ret;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+ dev_err(dev->mt76.dev, "Invalid firmware\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
+ sizeof(*hdr));
+
+ dev_info(dev->mt76.dev, "WM Firmware Version: %.10s, Build Time: %.15s\n",
+ hdr->fw_ver, hdr->build_date);
+
+ ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, false);
+ if (ret) {
+ dev_err(dev->mt76.dev, "Failed to start WM firmware\n");
+ goto out;
+ }
+
+ release_firmware(fw);
+
+ ret = request_firmware(&fw, MT7915_FIRMWARE_WA, dev->mt76.dev);
+ if (ret)
+ return ret;
+
+ if (!fw || !fw->data || fw->size < sizeof(*hdr)) {
+ dev_err(dev->mt76.dev, "Invalid firmware\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ hdr = (const struct mt7915_fw_trailer *)(fw->data + fw->size -
+ sizeof(*hdr));
+
+ dev_info(dev->mt76.dev, "WA Firmware Version: %.10s, Build Time: %.15s\n",
+ hdr->fw_ver, hdr->build_date);
+
+ ret = mt7915_mcu_send_ram_firmware(dev, hdr, fw->data, true);
+ if (ret) {
+ dev_err(dev->mt76.dev, "Failed to start WA firmware\n");
+ goto out;
+ }
+
+ snprintf(dev->mt76.hw->wiphy->fw_version,
+ sizeof(dev->mt76.hw->wiphy->fw_version),
+ "%.10s-%.15s", hdr->fw_ver, hdr->build_date);
+
+out:
+ release_firmware(fw);
+
+ return ret;
+}
+
+static int mt7915_load_firmware(struct mt7915_dev *dev)
+{
+ int ret;
+ u32 val, reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
+
+ val = FIELD_PREP(MT_TOP_MISC_FW_STATE, FW_STATE_FW_DOWNLOAD);
+
+ if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE, val, 1000)) {
+ /* restart firmware once */
+ __mt76_mcu_restart(&dev->mt76);
+ if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+ val, 1000)) {
+ dev_err(dev->mt76.dev,
+ "Firmware is not ready for download\n");
+ return -EIO;
+ }
+ }
+
+ ret = mt7915_load_patch(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7915_load_ram(dev);
+ if (ret)
+ return ret;
+
+ if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+ FIELD_PREP(MT_TOP_MISC_FW_STATE,
+ FW_STATE_WACPU_RDY), 1000)) {
+ dev_err(dev->mt76.dev, "Timeout for initializing firmware\n");
+ return -EIO;
+ }
+
+ mt76_queue_tx_cleanup(dev, MT_TXQ_FWDL, false);
+
+ dev_dbg(dev->mt76.dev, "Firmware init done\n");
+
+ return 0;
+}
+
+int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl)
+{
+ struct {
+ u8 ctrl_val;
+ u8 pad[3];
+ } data = {
+ .ctrl_val = ctrl
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_LOG_2_HOST,
+ &data, sizeof(data), true);
+}
+
+int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level)
+{
+ struct {
+ u8 ver;
+ u8 pad;
+ u16 len;
+ u8 level;
+ u8 rsv[3];
+ __le32 module_idx;
+ } data = {
+ .module_idx = cpu_to_le32(module),
+ .level = level,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_FW_DBG_CTRL,
+ &data, sizeof(data), false);
+}
+
+int mt7915_mcu_init(struct mt7915_dev *dev)
+{
+ static const struct mt76_mcu_ops mt7915_mcu_ops = {
+ .headroom = sizeof(struct mt7915_mcu_txd),
+ .mcu_skb_send_msg = mt7915_mcu_send_message,
+ .mcu_send_msg = mt7915_mcu_msg_send,
+ .mcu_restart = mt7915_mcu_restart,
+ };
+ int ret;
+
+ dev->mt76.mcu_ops = &mt7915_mcu_ops,
+
+ ret = mt7915_driver_own(dev);
+ if (ret)
+ return ret;
+
+ ret = mt7915_load_firmware(dev);
+ if (ret)
+ return ret;
+
+ set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);
+ mt7915_mcu_fw_log_2_host(dev, 0);
+
+ return 0;
+}
+
+void mt7915_mcu_exit(struct mt7915_dev *dev)
+{
+ u32 reg = mt7915_reg_map_l1(dev, MT_TOP_MISC);
+
+ __mt76_mcu_restart(&dev->mt76);
+ if (!mt76_poll_msec(dev, reg, MT_TOP_MISC_FW_STATE,
+ FIELD_PREP(MT_TOP_MISC_FW_STATE,
+ FW_STATE_FW_DOWNLOAD), 1000)) {
+ dev_err(dev->mt76.dev, "Failed to exit mcu\n");
+ return;
+ }
+
+ reg = mt7915_reg_map_l1(dev, MT_TOP_LPCR_HOST_BAND0);
+ mt76_wr(dev, reg, MT_TOP_LPCR_HOST_FW_OWN);
+ skb_queue_purge(&dev->mt76.mcu.res_q);
+}
+
+int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band,
+ bool enable, bool hdr_trans)
+{
+ struct {
+ u8 operation;
+ u8 enable;
+ u8 check_bssid;
+ u8 insert_vlan;
+ u8 remove_vlan;
+ u8 tid;
+ u8 mode;
+ u8 rsv;
+ } __packed req_trans = {
+ .enable = hdr_trans,
+ };
+ struct {
+ u8 enable;
+ u8 band;
+ u8 rsv[2];
+ } __packed req_mac = {
+ .enable = enable,
+ .band = band,
+ };
+ int ret;
+
+ ret = __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RX_HDR_TRANS,
+ &req_trans, sizeof(req_trans), false);
+ if (ret)
+ return ret;
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_MAC_INIT_CTRL,
+ &req_mac, sizeof(req_mac), true);
+}
+
+int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable)
+{
+ struct {
+ __le32 cmd;
+ u8 band;
+ u8 enable;
+ } __packed req = {
+ .cmd = cpu_to_le32(SCS_ENABLE),
+ .band = band,
+ .enable = enable + 1,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SCS_CTRL, &req,
+ sizeof(req), false);
+}
+
+int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct {
+ u8 prot_idx;
+ u8 band;
+ u8 rsv[2];
+ __le32 len_thresh;
+ __le32 pkt_thresh;
+ } __packed req = {
+ .prot_idx = 1,
+ .band = phy != &dev->phy,
+ .len_thresh = cpu_to_le32(val),
+ .pkt_thresh = cpu_to_le32(0x2),
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PROTECT_CTRL,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif)
+{
+#define WMM_AIFS_SET BIT(0)
+#define WMM_CW_MIN_SET BIT(1)
+#define WMM_CW_MAX_SET BIT(2)
+#define WMM_TXOP_SET BIT(3)
+#define WMM_PARAM_SET GENMASK(3, 0)
+#define TX_CMD_MODE 1
+ struct edca {
+ u8 queue;
+ u8 set;
+ u8 aifs;
+ u8 cw_min;
+ __le16 cw_max;
+ __le16 txop;
+ };
+ struct mt7915_mcu_tx {
+ u8 total;
+ u8 action;
+ u8 valid;
+ u8 mode;
+
+ struct edca edca[IEEE80211_NUM_ACS];
+ } __packed req = {
+ .valid = true,
+ .mode = TX_CMD_MODE,
+ .total = IEEE80211_NUM_ACS,
+ };
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ int ac;
+
+ for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+ struct edca *e = &req.edca[ac];
+
+ e->queue = ac + mvif->wmm_idx * MT7915_MAX_WMM_SETS;
+ e->aifs = mvif->wmm[ac].aifs;
+ e->txop = cpu_to_le16(mvif->wmm[ac].txop);
+
+ if (mvif->wmm[ac].cw_min)
+ e->cw_min = fls(mvif->wmm[ac].cw_max);
+ else
+ e->cw_min = 5;
+
+ if (mvif->wmm[ac].cw_max)
+ e->cw_max = cpu_to_le16(fls(mvif->wmm[ac].cw_max));
+ else
+ e->cw_max = cpu_to_le16(10);
+ }
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter)
+{
+#define ENTER_PM_STATE 1
+#define EXIT_PM_STATE 2
+ struct {
+ u8 pm_number;
+ u8 pm_state;
+ u8 bssid[ETH_ALEN];
+ u8 dtim_period;
+ u8 wlan_idx_lo;
+ __le16 bcn_interval;
+ __le32 aid;
+ __le32 rx_filter;
+ u8 band_idx;
+ u8 wlan_idx_hi;
+ u8 rsv[2];
+ __le32 feature;
+ u8 omac_idx;
+ u8 wmm_idx;
+ u8 bcn_loss_cnt;
+ u8 bcn_sp_duration;
+ } __packed req = {
+ .pm_number = 5,
+ .pm_state = (enter) ? ENTER_PM_STATE : EXIT_PM_STATE,
+ .band_idx = band,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_PM_STATE_CTRL,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev,
+ enum mt7915_rdd_cmd cmd, u8 index,
+ u8 rx_sel, u8 val)
+{
+ struct {
+ u8 ctrl;
+ u8 rdd_idx;
+ u8 rdd_rx_sel;
+ u8 val;
+ u8 rsv[4];
+ } __packed req = {
+ .ctrl = cmd,
+ .rdd_idx = index,
+ .rdd_rx_sel = rx_sel,
+ .val = val,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_CTRL,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val)
+{
+ struct {
+ u32 tag;
+ u16 min_lpn;
+ u8 rsv[2];
+ } __packed req = {
+ .tag = 0x1,
+ .min_lpn = val,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
+ const struct mt7915_dfs_pulse *pulse)
+{
+ struct {
+ u32 tag;
+ struct mt7915_dfs_pulse pulse;
+ } __packed req = {
+ .tag = 0x3,
+ };
+
+ memcpy(&req.pulse, pulse, sizeof(*pulse));
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
+ const struct mt7915_dfs_pattern *pattern)
+{
+ struct {
+ u32 tag;
+ u16 radar_type;
+ struct mt7915_dfs_pattern pattern;
+ } __packed req = {
+ .tag = 0x2,
+ .radar_type = index,
+ };
+
+ memcpy(&req.pattern, pattern, sizeof(*pattern));
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_RDD_TH,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
+ int freq1 = chandef->center_freq1;
+ struct {
+ u8 control_ch;
+ u8 center_ch;
+ u8 bw;
+ u8 tx_streams_num;
+ u8 rx_streams; /* mask or num */
+ u8 switch_reason;
+ u8 band_idx;
+ u8 center_ch2; /* for 80+80 only */
+ __le16 cac_case;
+ u8 channel_band;
+ u8 rsv0;
+ __le32 outband_freq;
+ u8 txpower_drop;
+ u8 ap_bw;
+ u8 ap_center_ch;
+ u8 rsv1[57];
+ } __packed req = {
+ .control_ch = chandef->chan->hw_value,
+ .center_ch = ieee80211_frequency_to_channel(freq1),
+ .bw = mt7915_mcu_chan_bw(chandef),
+ .tx_streams_num = hweight8(phy->mt76->antenna_mask),
+ .rx_streams = phy->chainmask,
+ .band_idx = phy != &dev->phy,
+ .channel_band = chandef->chan->band,
+ };
+
+ if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) &&
+ chandef->chan->dfs_state != NL80211_DFS_AVAILABLE)
+ req.switch_reason = CH_SWITCH_DFS;
+ else
+ req.switch_reason = CH_SWITCH_NORMAL;
+
+ if (cmd == MCU_EXT_CMD_CHANNEL_SWITCH)
+ req.rx_streams = hweight8(req.rx_streams);
+
+ if (chandef->width == NL80211_CHAN_WIDTH_80P80) {
+ int freq2 = chandef->center_freq2;
+
+ req.center_ch2 = ieee80211_frequency_to_channel(freq2);
+ }
+
+ return __mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_eeprom(struct mt7915_dev *dev)
+{
+ struct req_hdr {
+ u8 buffer_mode;
+ u8 format;
+ __le16 len;
+ } __packed req = {
+ .buffer_mode = EE_MODE_EFUSE,
+ .format = EE_FORMAT_WHOLE,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_BUFFER_MODE,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset)
+{
+ struct mt7915_mcu_eeprom_info req = {
+ .addr = cpu_to_le32(round_down(offset, 16)),
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EFUSE_ACCESS, &req,
+ sizeof(req), true);
+}
+
+int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index)
+{
+ struct {
+ u8 ctrl_id;
+ u8 action;
+ u8 band;
+ u8 rsv[5];
+ } req = {
+ .ctrl_id = THERMAL_SENSOR_TEMP_QUERY,
+ .action = index,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_THERMAL_CTRL, &req,
+ sizeof(req), true);
+}
+
+int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx)
+{
+ struct {
+ __le32 cmd;
+ __le16 wlan_idx;
+ __le16 ru_idx;
+ __le16 direction;
+ __le16 dump_group;
+ } req = {
+ .cmd = cpu_to_le32(cmd),
+ .wlan_idx = cpu_to_le16(wlan_idx),
+ .dump_group = cpu_to_le16(1),
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_RATE_CTRL, &req,
+ sizeof(req), false);
+}
+
+int mt7915_mcu_set_sku(struct mt7915_phy *phy)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct mt76_phy *mphy = phy->mt76;
+ struct ieee80211_hw *hw = mphy->hw;
+ struct mt7915_sku_val {
+ u8 format_id;
+ u8 limit_type;
+ u8 dbdc_idx;
+ s8 val[MT7915_SKU_RATE_NUM];
+ } __packed req = {
+ .format_id = 4,
+ .dbdc_idx = phy != &dev->phy,
+ };
+ int i;
+ s8 *delta;
+
+ delta = dev->rate_power[mphy->chandef.chan->band];
+ mphy->txpower_cur = hw->conf.power_level * 2 +
+ delta[MT7915_SKU_MAX_DELTA_IDX];
+
+ for (i = 0; i < MT7915_SKU_RATE_NUM; i++)
+ req.val[i] = hw->conf.power_level * 2 + delta[i];
+
+ return __mt76_mcu_send_msg(&dev->mt76,
+ MCU_EXT_CMD_TX_POWER_FEATURE_CTRL,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable)
+{
+ struct mt7915_dev *dev = phy->dev;
+ struct mt7915_sku {
+ u8 format_id;
+ u8 sku_enable;
+ u8 dbdc_idx;
+ u8 rsv;
+ } __packed req = {
+ .format_id = 0,
+ .dbdc_idx = phy != &dev->phy,
+ .sku_enable = enable,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76,
+ MCU_EXT_CMD_TX_POWER_FEATURE_CTRL,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band)
+{
+ struct {
+ u8 action;
+ u8 set;
+ u8 band;
+ u8 rsv;
+ } req = {
+ .action = action,
+ .set = set,
+ .band = band,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SER_TRIGGER,
+ &req, sizeof(req), false);
+}
+
+int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev)
+{
+#define MT_BF_TYPE_UPDATE 20
+ struct {
+ u8 action;
+ bool ebf;
+ bool ibf;
+ u8 rsv;
+ } __packed req = {
+ .action = MT_BF_TYPE_UPDATE,
+ .ebf = true,
+ .ibf = false,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev)
+{
+#define MT_BF_PROCESSING 4
+ struct {
+ u8 action;
+ u8 snd_mode;
+ u8 sta_num;
+ u8 rsv;
+ u8 wlan_idx[4];
+ __le32 snd_period; /* ms */
+ } __packed req = {
+ .action = true,
+ .snd_mode = MT_BF_PROCESSING,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_TXBF_ACTION,
+ &req, sizeof(req), true);
+}
+
+int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ bool enable)
+{
+#define MT_SPR_ENABLE 1
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct {
+ u8 action;
+ u8 arg_num;
+ u8 band_idx;
+ u8 status;
+ u8 drop_tx_idx;
+ u8 sta_idx; /* 256 sta */
+ u8 rsv[2];
+ u32 val;
+ } __packed req = {
+ .action = MT_SPR_ENABLE,
+ .arg_num = 1,
+ .band_idx = mvif->band_idx,
+ .val = enable,
+ };
+
+ return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_SET_SPR,
+ &req, sizeof(req), true);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
new file mode 100644
index 000000000000..c241dd7c4c36
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -0,0 +1,1034 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_MCU_H
+#define __MT7915_MCU_H
+
+struct mt7915_mcu_txd {
+ __le32 txd[8];
+
+ __le16 len;
+ __le16 pq_id;
+
+ u8 cid;
+ u8 pkt_type;
+ u8 set_query; /* FW don't care */
+ u8 seq;
+
+ u8 uc_d2b0_rev;
+ u8 ext_cid;
+ u8 s2d_index;
+ u8 ext_cid_ack;
+
+ u32 reserved[5];
+} __packed __aligned(4);
+
+/* event table */
+enum {
+ MCU_EVENT_TARGET_ADDRESS_LEN = 0x01,
+ MCU_EVENT_FW_START = 0x01,
+ MCU_EVENT_GENERIC = 0x01,
+ MCU_EVENT_ACCESS_REG = 0x02,
+ MCU_EVENT_MT_PATCH_SEM = 0x04,
+ MCU_EVENT_CH_PRIVILEGE = 0x18,
+ MCU_EVENT_EXT = 0xed,
+ MCU_EVENT_RESTART_DL = 0xef,
+};
+
+/* ext event table */
+enum {
+ MCU_EXT_EVENT_PS_SYNC = 0x5,
+ MCU_EXT_EVENT_FW_LOG_2_HOST = 0x13,
+ MCU_EXT_EVENT_THERMAL_PROTECT = 0x22,
+ MCU_EXT_EVENT_ASSERT_DUMP = 0x23,
+ MCU_EXT_EVENT_RDD_REPORT = 0x3a,
+ MCU_EXT_EVENT_CSA_NOTIFY = 0x4f,
+ MCU_EXT_EVENT_RATE_REPORT = 0x87,
+};
+
+struct mt7915_mcu_rxd {
+ __le32 rxd[6];
+
+ __le16 len;
+ __le16 pkt_type_id;
+
+ u8 eid;
+ u8 seq;
+ __le16 __rsv;
+
+ u8 ext_eid;
+ u8 __rsv1[2];
+ u8 s2d_index;
+};
+
+struct mt7915_mcu_rdd_report {
+ struct mt7915_mcu_rxd rxd;
+
+ u8 idx;
+ u8 long_detected;
+ u8 constant_prf_detected;
+ u8 staggered_prf_detected;
+ u8 radar_type_idx;
+ u8 periodic_pulse_num;
+ u8 long_pulse_num;
+ u8 hw_pulse_num;
+
+ u8 out_lpn;
+ u8 out_spn;
+ u8 out_crpn;
+ u8 out_crpw;
+ u8 out_crbn;
+ u8 out_stgpn;
+ u8 out_stgpw;
+
+ u8 rsv;
+
+ __le32 out_pri_const;
+ __le32 out_pri_stg[3];
+
+ struct {
+ __le32 start;
+ __le16 pulse_width;
+ __le16 pulse_power;
+ u8 mdrdy_flag;
+ u8 rsv[3];
+ } long_pulse[32];
+
+ struct {
+ __le32 start;
+ __le16 pulse_width;
+ __le16 pulse_power;
+ u8 mdrdy_flag;
+ u8 rsv[3];
+ } periodic_pulse[32];
+
+ struct {
+ __le32 start;
+ __le16 pulse_width;
+ __le16 pulse_power;
+ u8 sc_pass;
+ u8 sw_reset;
+ u8 mdrdy_flag;
+ u8 tx_active;
+ } hw_pulse[32];
+} __packed;
+
+struct mt7915_mcu_eeprom_info {
+ __le32 addr;
+ __le32 valid;
+ u8 data[16];
+} __packed;
+
+struct mt7915_mcu_ra_info {
+ struct mt7915_mcu_rxd rxd;
+
+ __le32 event_id;
+ __le16 wlan_idx;
+ __le16 ru_idx;
+ __le16 direction;
+ __le16 dump_group;
+
+ __le32 suggest_rate;
+ __le32 min_rate; /* for dynamic sounding */
+ __le32 max_rate; /* for dynamic sounding */
+ __le32 init_rate_down_rate;
+
+ __le16 curr_rate;
+ __le16 init_rate_down_total;
+ __le16 init_rate_down_succ;
+ __le16 success;
+ __le16 attempts;
+
+ __le16 prev_rate;
+ __le16 prob_up_rate;
+ u8 no_rate_up_cnt;
+ u8 ppdu_cnt;
+ u8 gi;
+
+ u8 try_up_fail;
+ u8 try_up_total;
+ u8 suggest_wf;
+ u8 try_up_check;
+ u8 prob_up_period;
+ u8 prob_down_pending;
+} __packed;
+
+#define MT_RA_RATE_NSS GENMASK(8, 6)
+#define MT_RA_RATE_MCS GENMASK(3, 0)
+#define MT_RA_RATE_TX_MODE GENMASK(12, 9)
+#define MT_RA_RATE_DCM_EN BIT(4)
+#define MT_RA_RATE_BW GENMASK(14, 13)
+
+#define MCU_PQ_ID(p, q) (((p) << 15) | ((q) << 10))
+#define MCU_PKT_ID 0xa0
+
+enum {
+ MCU_Q_QUERY,
+ MCU_Q_SET,
+ MCU_Q_RESERVED,
+ MCU_Q_NA
+};
+
+enum {
+ MCU_S2D_H2N,
+ MCU_S2D_C2N,
+ MCU_S2D_H2C,
+ MCU_S2D_H2CN
+};
+
+enum {
+ MCU_CMD_TARGET_ADDRESS_LEN_REQ = 0x01,
+ MCU_CMD_FW_START_REQ = 0x02,
+ MCU_CMD_INIT_ACCESS_REG = 0x3,
+ MCU_CMD_NIC_POWER_CTRL = 0x4,
+ MCU_CMD_PATCH_START_REQ = 0x05,
+ MCU_CMD_PATCH_FINISH_REQ = 0x07,
+ MCU_CMD_PATCH_SEM_CONTROL = 0x10,
+ MCU_CMD_EXT_CID = 0xED,
+ MCU_CMD_FW_SCATTER = 0xEE,
+ MCU_CMD_RESTART_DL_REQ = 0xEF,
+};
+
+enum {
+ MCU_EXT_CMD_EFUSE_ACCESS = 0x01,
+ MCU_EXT_CMD_PM_STATE_CTRL = 0x07,
+ MCU_EXT_CMD_CHANNEL_SWITCH = 0x08,
+ MCU_EXT_CMD_FW_LOG_2_HOST = 0x13,
+ MCU_EXT_CMD_TXBF_ACTION = 0x1e,
+ MCU_EXT_CMD_EFUSE_BUFFER_MODE = 0x21,
+ MCU_EXT_CMD_STA_REC_UPDATE = 0x25,
+ MCU_EXT_CMD_BSS_INFO_UPDATE = 0x26,
+ MCU_EXT_CMD_EDCA_UPDATE = 0x27,
+ MCU_EXT_CMD_DEV_INFO_UPDATE = 0x2A,
+ MCU_EXT_CMD_THERMAL_CTRL = 0x2c,
+ MCU_EXT_CMD_SET_RDD_CTRL = 0x3a,
+ MCU_EXT_CMD_PROTECT_CTRL = 0x3e,
+ MCU_EXT_CMD_MAC_INIT_CTRL = 0x46,
+ MCU_EXT_CMD_RX_HDR_TRANS = 0x47,
+ MCU_EXT_CMD_SET_RX_PATH = 0x4e,
+ MCU_EXT_CMD_TX_POWER_FEATURE_CTRL = 0x58,
+ MCU_EXT_CMD_SET_SER_TRIGGER = 0x81,
+ MCU_EXT_CMD_SCS_CTRL = 0x82,
+ MCU_EXT_CMD_RATE_CTRL = 0x87,
+ MCU_EXT_CMD_FW_DBG_CTRL = 0x95,
+ MCU_EXT_CMD_SET_RDD_TH = 0x9d,
+ MCU_EXT_CMD_SET_SPR = 0xa8,
+};
+
+enum {
+ PATCH_SEM_RELEASE,
+ PATCH_SEM_GET
+};
+
+enum {
+ PATCH_NOT_DL_SEM_FAIL,
+ PATCH_IS_DL,
+ PATCH_NOT_DL_SEM_SUCCESS,
+ PATCH_REL_SEM_SUCCESS
+};
+
+enum {
+ FW_STATE_INITIAL,
+ FW_STATE_FW_DOWNLOAD,
+ FW_STATE_NORMAL_OPERATION,
+ FW_STATE_NORMAL_TRX,
+ FW_STATE_WACPU_RDY = 7
+};
+
+enum {
+ EE_MODE_EFUSE,
+ EE_MODE_BUFFER,
+};
+
+enum {
+ EE_FORMAT_BIN,
+ EE_FORMAT_WHOLE,
+ EE_FORMAT_MULTIPLE,
+};
+
+#define STA_TYPE_STA BIT(0)
+#define STA_TYPE_AP BIT(1)
+#define STA_TYPE_ADHOC BIT(2)
+#define STA_TYPE_WDS BIT(4)
+#define STA_TYPE_BC BIT(5)
+
+#define NETWORK_INFRA BIT(16)
+#define NETWORK_P2P BIT(17)
+#define NETWORK_IBSS BIT(18)
+#define NETWORK_WDS BIT(21)
+
+#define CONNECTION_INFRA_STA (STA_TYPE_STA | NETWORK_INFRA)
+#define CONNECTION_INFRA_AP (STA_TYPE_AP | NETWORK_INFRA)
+#define CONNECTION_P2P_GC (STA_TYPE_STA | NETWORK_P2P)
+#define CONNECTION_P2P_GO (STA_TYPE_AP | NETWORK_P2P)
+#define CONNECTION_IBSS_ADHOC (STA_TYPE_ADHOC | NETWORK_IBSS)
+#define CONNECTION_WDS (STA_TYPE_WDS | NETWORK_WDS)
+#define CONNECTION_INFRA_BC (STA_TYPE_BC | NETWORK_INFRA)
+
+#define CONN_STATE_DISCONNECT 0
+#define CONN_STATE_CONNECT 1
+#define CONN_STATE_PORT_SECURE 2
+
+enum {
+ DEV_INFO_ACTIVE,
+ DEV_INFO_MAX_NUM
+};
+
+enum {
+ SCS_SEND_DATA,
+ SCS_SET_MANUAL_PD_TH,
+ SCS_CONFIG,
+ SCS_ENABLE,
+ SCS_SHOW_INFO,
+ SCS_GET_GLO_ADDR,
+ SCS_GET_GLO_ADDR_EVENT,
+};
+
+enum {
+ CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
+ CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
+ CMD_CBW_80MHZ = IEEE80211_STA_RX_BW_80,
+ CMD_CBW_160MHZ = IEEE80211_STA_RX_BW_160,
+ CMD_CBW_10MHZ,
+ CMD_CBW_5MHZ,
+ CMD_CBW_8080MHZ,
+
+ CMD_HE_MCS_BW80 = 0,
+ CMD_HE_MCS_BW160,
+ CMD_HE_MCS_BW8080,
+ CMD_HE_MCS_BW_NUM
+};
+
+struct tlv {
+ __le16 tag;
+ __le16 len;
+} __packed;
+
+struct bss_info_omac {
+ __le16 tag;
+ __le16 len;
+ u8 hw_bss_idx;
+ u8 omac_idx;
+ u8 band_idx;
+ u8 rsv0;
+ __le32 conn_type;
+ u32 rsv1;
+} __packed;
+
+struct bss_info_basic {
+ __le16 tag;
+ __le16 len;
+ __le32 network_type;
+ u8 active;
+ u8 rsv0;
+ __le16 bcn_interval;
+ u8 bssid[ETH_ALEN];
+ u8 wmm_idx;
+ u8 dtim_period;
+ u8 bmc_wcid_lo;
+ u8 cipher;
+ u8 phy_mode;
+ u8 max_bssid; /* max BSSID. range: 1 ~ 8, 0: MBSSID disabled */
+ u8 non_tx_bssid;/* non-transmitted BSSID, 0: transmitted BSSID */
+ u8 bmc_wcid_hi; /* high Byte and version */
+ u8 rsv[2];
+} __packed;
+
+struct bss_info_rf_ch {
+ __le16 tag;
+ __le16 len;
+ u8 pri_ch;
+ u8 center_ch0;
+ u8 center_ch1;
+ u8 bw;
+ u8 he_ru26_block; /* 1: don't send HETB in RU26, 0: allow */
+ u8 he_all_disable; /* 1: disallow all HETB, 0: allow */
+ u8 rsv[2];
+} __packed;
+
+struct bss_info_ext_bss {
+ __le16 tag;
+ __le16 len;
+ __le32 mbss_tsf_offset; /* in unit of us */
+ u8 rsv[8];
+} __packed;
+
+struct bss_info_sync_mode {
+ __le16 tag;
+ __le16 len;
+ __le16 bcn_interval;
+ u8 enable;
+ u8 dtim_period;
+ u8 rsv[8];
+} __packed;
+
+struct bss_info_bmc_rate {
+ __le16 tag;
+ __le16 len;
+ __le16 bc_trans;
+ __le16 mc_trans;
+ u8 short_preamble;
+ u8 rsv[7];
+} __packed;
+
+struct bss_info_ra {
+ __le16 tag;
+ __le16 len;
+ u8 op_mode;
+ u8 adhoc_en;
+ u8 short_preamble;
+ u8 tx_streams;
+ u8 rx_streams;
+ u8 algo;
+ u8 force_sgi;
+ u8 force_gf;
+ u8 ht_mode;
+ u8 has_20_sta; /* Check if any sta support GF. */
+ u8 bss_width_trigger_events;
+ u8 vht_nss_cap;
+ u8 vht_bw_signal; /* not use */
+ u8 vht_force_sgi; /* not use */
+ u8 se_off;
+ u8 antenna_idx;
+ u8 train_up_rule;
+ u8 rsv[3];
+ unsigned short train_up_high_thres;
+ short train_up_rule_rssi;
+ unsigned short low_traffic_thres;
+ __le16 max_phyrate;
+ __le32 phy_cap;
+ __le32 interval;
+ __le32 fast_interval;
+} __packed;
+
+struct bss_info_he {
+ __le16 tag;
+ __le16 len;
+ u8 he_pe_duration;
+ u8 vht_op_info_present;
+ __le16 he_rts_thres;
+ __le16 max_nss_mcs[CMD_HE_MCS_BW_NUM];
+ u8 rsv[6];
+} __packed;
+
+struct bss_info_bcn {
+ __le16 tag;
+ __le16 len;
+ u8 ver;
+ u8 enable;
+ __le16 sub_ntlv;
+} __packed __aligned(4);
+
+struct bss_info_bcn_csa {
+ __le16 tag;
+ __le16 len;
+ u8 cnt;
+ u8 rsv[3];
+} __packed __aligned(4);
+
+struct bss_info_bcn_bcc {
+ __le16 tag;
+ __le16 len;
+ u8 cnt;
+ u8 rsv[3];
+} __packed __aligned(4);
+
+struct bss_info_bcn_mbss {
+#define MAX_BEACON_NUM 32
+ __le16 tag;
+ __le16 len;
+ __le32 bitmap;
+ __le16 offset[MAX_BEACON_NUM];
+ u8 rsv[8];
+} __packed __aligned(4);
+
+struct bss_info_bcn_cont {
+ __le16 tag;
+ __le16 len;
+ __le16 tim_ofs;
+ __le16 csa_ofs;
+ __le16 bcc_ofs;
+ __le16 pkt_len;
+} __packed __aligned(4);
+
+enum {
+ BSS_INFO_BCN_CSA,
+ BSS_INFO_BCN_BCC,
+ BSS_INFO_BCN_MBSSID,
+ BSS_INFO_BCN_CONTENT,
+ BSS_INFO_BCN_MAX
+};
+
+enum {
+ BSS_INFO_OMAC,
+ BSS_INFO_BASIC,
+ BSS_INFO_RF_CH, /* optional, for BT/LTE coex */
+ BSS_INFO_PM, /* sta only */
+ BSS_INFO_UAPSD, /* sta only */
+ BSS_INFO_ROAM_DETECT, /* obsoleted */
+ BSS_INFO_LQ_RM, /* obsoleted */
+ BSS_INFO_EXT_BSS,
+ BSS_INFO_BMC_RATE, /* for bmc rate control in CR4 */
+ BSS_INFO_SYNC_MODE,
+ BSS_INFO_RA,
+ BSS_INFO_HW_AMSDU,
+ BSS_INFO_BSS_COLOR,
+ BSS_INFO_HE_BASIC,
+ BSS_INFO_PROTECT_INFO,
+ BSS_INFO_OFFLOAD,
+ BSS_INFO_11V_MBSSID,
+ BSS_INFO_MAX_NUM
+};
+
+enum {
+ WTBL_RESET_AND_SET = 1,
+ WTBL_SET,
+ WTBL_QUERY,
+ WTBL_RESET_ALL
+};
+
+struct wtbl_req_hdr {
+ u8 wlan_idx_lo;
+ u8 operation;
+ __le16 tlv_num;
+ u8 wlan_idx_hi;
+ u8 rsv[3];
+} __packed;
+
+struct wtbl_generic {
+ __le16 tag;
+ __le16 len;
+ u8 peer_addr[ETH_ALEN];
+ u8 muar_idx;
+ u8 skip_tx;
+ u8 cf_ack;
+ u8 qos;
+ u8 mesh;
+ u8 adm;
+ __le16 partial_aid;
+ u8 baf_en;
+ u8 aad_om;
+} __packed;
+
+struct wtbl_rx {
+ __le16 tag;
+ __le16 len;
+ u8 rcid;
+ u8 rca1;
+ u8 rca2;
+ u8 rv;
+ u8 rsv[4];
+} __packed;
+
+struct wtbl_ht {
+ __le16 tag;
+ __le16 len;
+ u8 ht;
+ u8 ldpc;
+ u8 af;
+ u8 mm;
+ u8 rsv[4];
+} __packed;
+
+struct wtbl_vht {
+ __le16 tag;
+ __le16 len;
+ u8 ldpc;
+ u8 dyn_bw;
+ u8 vht;
+ u8 txop_ps;
+ u8 rsv[4];
+} __packed;
+
+enum {
+ MT_BA_TYPE_INVALID,
+ MT_BA_TYPE_ORIGINATOR,
+ MT_BA_TYPE_RECIPIENT
+};
+
+enum {
+ RST_BA_MAC_TID_MATCH,
+ RST_BA_MAC_MATCH,
+ RST_BA_NO_MATCH
+};
+
+struct wtbl_ba {
+ __le16 tag;
+ __le16 len;
+ /* common */
+ u8 tid;
+ u8 ba_type;
+ u8 rsv0[2];
+ /* originator only */
+ __le16 sn;
+ u8 ba_en;
+ u8 ba_winsize_idx;
+ __le16 ba_winsize;
+ /* recipient only */
+ u8 peer_addr[ETH_ALEN];
+ u8 rst_ba_tid;
+ u8 rst_ba_sel;
+ u8 rst_ba_sb;
+ u8 band_idx;
+ u8 rsv1[4];
+} __packed;
+
+struct wtbl_smps {
+ __le16 tag;
+ __le16 len;
+ u8 smps;
+ u8 rsv[3];
+} __packed;
+
+enum {
+ WTBL_GENERIC,
+ WTBL_RX,
+ WTBL_HT,
+ WTBL_VHT,
+ WTBL_PEER_PS, /* not used */
+ WTBL_TX_PS,
+ WTBL_HDR_TRANS,
+ WTBL_SEC_KEY,
+ WTBL_BA,
+ WTBL_RDG, /* obsoleted */
+ WTBL_PROTECT, /* not used */
+ WTBL_CLEAR, /* not used */
+ WTBL_BF,
+ WTBL_SMPS,
+ WTBL_RAW_DATA, /* debug only */
+ WTBL_PN,
+ WTBL_SPE,
+ WTBL_MAX_NUM
+};
+
+struct sta_ntlv_hdr {
+ u8 rsv[2];
+ __le16 tlv_num;
+} __packed;
+
+struct sta_req_hdr {
+ u8 bss_idx;
+ u8 wlan_idx_lo;
+ __le16 tlv_num;
+ u8 is_tlv_append;
+ u8 muar_idx;
+ u8 wlan_idx_hi;
+ u8 rsv;
+} __packed;
+
+struct sta_rec_basic {
+ __le16 tag;
+ __le16 len;
+ __le32 conn_type;
+ u8 conn_state;
+ u8 qos;
+ __le16 aid;
+ u8 peer_addr[ETH_ALEN];
+ __le16 extra_info;
+} __packed;
+
+struct sta_rec_ht {
+ __le16 tag;
+ __le16 len;
+ __le16 ht_cap;
+ u16 rsv;
+} __packed;
+
+struct sta_rec_vht {
+ __le16 tag;
+ __le16 len;
+ __le32 vht_cap;
+ __le16 vht_rx_mcs_map;
+ __le16 vht_tx_mcs_map;
+ u8 rts_bw_sig;
+ u8 rsv[3];
+} __packed;
+
+struct sta_rec_muru {
+ __le16 tag;
+ __le16 len;
+
+ struct {
+ bool ofdma_dl_en;
+ bool ofdma_ul_en;
+ bool mimo_dl_en;
+ bool mimo_ul_en;
+ bool rsv[4];
+ } cfg;
+
+ struct {
+ u8 punc_pream_rx;
+ bool he_20m_in_40m_2g;
+ bool he_20m_in_160m;
+ bool he_80m_in_160m;
+ bool lt16_sigb;
+ bool rx_su_comp_sigb;
+ bool rx_su_non_comp_sigb;
+ bool rsv;
+ } ofdma_dl;
+
+ struct {
+ u8 t_frame_dur;
+ u8 mu_cascading;
+ u8 uo_ra;
+ u8 he_2x996_tone;
+ u8 rx_t_frame_11ac;
+ u8 rsv[3];
+ } ofdma_ul;
+
+ struct {
+ bool vht_mu_bfee;
+ bool partial_bw_dl_mimo;
+ u8 rsv[2];
+ } mimo_dl;
+
+ struct {
+ bool full_ul_mimo;
+ bool partial_ul_mimo;
+ u8 rsv[2];
+ } mimo_ul;
+} __packed;
+
+struct sta_rec_he {
+ __le16 tag;
+ __le16 len;
+
+ __le32 he_cap;
+
+ u8 t_frame_dur;
+ u8 max_ampdu_exp;
+ u8 bw_set;
+ u8 device_class;
+ u8 dcm_tx_mode;
+ u8 dcm_tx_max_nss;
+ u8 dcm_rx_mode;
+ u8 dcm_rx_max_nss;
+ u8 dcm_max_ru;
+ u8 punc_pream_rx;
+ u8 pkt_ext;
+ u8 rsv1;
+
+ __le16 max_nss_mcs[CMD_HE_MCS_BW_NUM];
+
+ u8 rsv2[2];
+} __packed;
+
+struct sta_rec_ba {
+ __le16 tag;
+ __le16 len;
+ u8 tid;
+ u8 ba_type;
+ u8 amsdu;
+ u8 ba_en;
+ __le16 ssn;
+ __le16 winsize;
+} __packed;
+
+struct sec_key {
+ u8 cipher_id;
+ u8 cipher_len;
+ u8 key_id;
+ u8 key_len;
+ u8 key[32];
+} __packed;
+
+struct sta_rec_sec {
+ __le16 tag;
+ __le16 len;
+ u8 add;
+ u8 n_cipher;
+ u8 rsv[2];
+
+ struct sec_key key[2];
+} __packed;
+
+struct ra_phy {
+ u8 type;
+ u8 flag;
+ u8 stbc;
+ u8 sgi;
+ u8 bw;
+ u8 ldpc;
+ u8 mcs;
+ u8 nss;
+ u8 he_ltf;
+};
+
+struct sta_rec_ra {
+ __le16 tag;
+ __le16 len;
+
+ u8 valid;
+ u8 auto_rate;
+ u8 phy_mode;
+ u8 channel;
+ u8 bw;
+ u8 disable_cck;
+ u8 ht_mcs32;
+ u8 ht_gf;
+ u8 ht_mcs[4];
+ u8 mmps_mode;
+ u8 gband_256;
+ u8 af;
+ u8 auth_wapi_mode;
+ u8 rate_len;
+
+ u8 supp_mode;
+ u8 supp_cck_rate;
+ u8 supp_ofdm_rate;
+ __le32 supp_ht_mcs;
+ __le16 supp_vht_mcs[4];
+
+ u8 op_mode;
+ u8 op_vht_chan_width;
+ u8 op_vht_rx_nss;
+ u8 op_vht_rx_nss_type;
+
+ __le32 sta_status;
+
+ struct ra_phy phy;
+} __packed;
+
+struct sta_rec_ra_fixed {
+ __le16 tag;
+ __le16 len;
+
+ __le32 field;
+ u8 op_mode;
+ u8 op_vht_chan_width;
+ u8 op_vht_rx_nss;
+ u8 op_vht_rx_nss_type;
+
+ struct ra_phy phy;
+
+ u8 spe_en;
+ u8 short_preamble;
+ u8 is_5g;
+ u8 mmps_mode;
+} __packed;
+
+#define RATE_PARAM_FIXED 3
+#define RATE_PARAM_AUTO 20
+#define RATE_CFG_MCS GENMASK(3, 0)
+#define RATE_CFG_NSS GENMASK(7, 4)
+#define RATE_CFG_GI GENMASK(11, 8)
+#define RATE_CFG_BW GENMASK(15, 12)
+#define RATE_CFG_STBC GENMASK(19, 16)
+#define RATE_CFG_LDPC GENMASK(23, 20)
+#define RATE_CFG_PHY_TYPE GENMASK(27, 24)
+
+struct sta_rec_bf {
+ __le16 tag;
+ __le16 len;
+
+ __le16 pfmu; /* 0xffff: no access right for PFMU */
+ bool su_mu; /* 0: SU, 1: MU */
+ u8 bf_cap; /* 0: iBF, 1: eBF */
+ u8 sounding_phy; /* 0: legacy, 1: OFDM, 2: HT, 4: VHT */
+ u8 ndpa_rate;
+ u8 ndp_rate;
+ u8 rept_poll_rate;
+ u8 tx_mode; /* 0: legacy, 1: OFDM, 2: HT, 4: VHT ... */
+ u8 nc;
+ u8 nr;
+ u8 bw; /* 0: 20M, 1: 40M, 2: 80M, 3: 160M */
+
+ u8 mem_total;
+ u8 mem_20m;
+ struct {
+ u8 row;
+ u8 col: 6, row_msb: 2;
+ } mem[4];
+
+ __le16 smart_ant;
+ u8 se_idx;
+ u8 auto_sounding; /* b7: low traffic indicator
+ * b6: Stop sounding for this entry
+ * b5 ~ b0: postpone sounding
+ */
+ u8 ibf_timeout;
+ u8 ibf_dbw;
+ u8 ibf_ncol;
+ u8 ibf_nrow;
+ u8 nr_bw160;
+ u8 nc_bw160;
+ u8 ru_start_idx;
+ u8 ru_end_idx;
+
+ bool trigger_su;
+ bool trigger_mu;
+ bool ng16_su;
+ bool ng16_mu;
+ bool codebook42_su;
+ bool codebook75_mu;
+
+ u8 he_ltf;
+ u8 rsv[2];
+} __packed;
+
+struct sta_rec_bfee {
+ __le16 tag;
+ __le16 len;
+ bool fb_identity_matrix; /* 1: feedback identity matrix */
+ bool ignore_feedback; /* 1: ignore */
+ u8 rsv[2];
+} __packed;
+
+enum {
+ STA_REC_BASIC,
+ STA_REC_RA,
+ STA_REC_RA_CMM_INFO,
+ STA_REC_RA_UPDATE,
+ STA_REC_BF,
+ STA_REC_AMSDU,
+ STA_REC_BA,
+ STA_REC_RED, /* not used */
+ STA_REC_TX_PROC, /* for hdr trans and CSO in CR4 */
+ STA_REC_HT,
+ STA_REC_VHT,
+ STA_REC_APPS,
+ STA_REC_KEY,
+ STA_REC_WTBL,
+ STA_REC_HE,
+ STA_REC_HW_AMSDU,
+ STA_REC_WTBL_AADOM,
+ STA_REC_KEY_V2,
+ STA_REC_MURU,
+ STA_REC_MUEDCA,
+ STA_REC_BFEE,
+ STA_REC_MAX_NUM
+};
+
+enum mt7915_cipher_type {
+ MT_CIPHER_NONE,
+ MT_CIPHER_WEP40,
+ MT_CIPHER_WEP104,
+ MT_CIPHER_WEP128,
+ MT_CIPHER_TKIP,
+ MT_CIPHER_AES_CCMP,
+ MT_CIPHER_CCMP_256,
+ MT_CIPHER_GCMP,
+ MT_CIPHER_GCMP_256,
+ MT_CIPHER_WAPI,
+ MT_CIPHER_BIP_CMAC_128,
+};
+
+enum {
+ CH_SWITCH_NORMAL = 0,
+ CH_SWITCH_SCAN = 3,
+ CH_SWITCH_MCC = 4,
+ CH_SWITCH_DFS = 5,
+ CH_SWITCH_BACKGROUND_SCAN_START = 6,
+ CH_SWITCH_BACKGROUND_SCAN_RUNNING = 7,
+ CH_SWITCH_BACKGROUND_SCAN_STOP = 8,
+ CH_SWITCH_SCAN_BYPASS_DPD = 9
+};
+
+enum {
+ THERMAL_SENSOR_TEMP_QUERY,
+ THERMAL_SENSOR_MANUAL_CTRL,
+ THERMAL_SENSOR_INFO_QUERY,
+ THERMAL_SENSOR_TASK_CTRL,
+};
+
+enum {
+ MT_EBF = BIT(0), /* explicit beamforming */
+ MT_IBF = BIT(1) /* implicit beamforming */
+};
+
+#define MT7915_WTBL_UPDATE_MAX_SIZE (sizeof(struct wtbl_req_hdr) + \
+ sizeof(struct wtbl_generic) + \
+ sizeof(struct wtbl_rx) + \
+ sizeof(struct wtbl_ht) + \
+ sizeof(struct wtbl_vht) + \
+ sizeof(struct wtbl_ba) + \
+ sizeof(struct wtbl_smps))
+
+#define MT7915_STA_UPDATE_MAX_SIZE (sizeof(struct sta_req_hdr) + \
+ sizeof(struct sta_rec_basic) + \
+ sizeof(struct sta_rec_ht) + \
+ sizeof(struct sta_rec_he) + \
+ sizeof(struct sta_rec_ba) + \
+ sizeof(struct sta_rec_vht) + \
+ sizeof(struct tlv) + \
+ sizeof(struct sta_rec_muru) + \
+ MT7915_WTBL_UPDATE_MAX_SIZE)
+
+#define MT7915_WTBL_UPDATE_BA_SIZE (sizeof(struct wtbl_req_hdr) + \
+ sizeof(struct wtbl_ba))
+
+#define MT7915_BSS_UPDATE_MAX_SIZE (sizeof(struct sta_req_hdr) + \
+ sizeof(struct bss_info_omac) + \
+ sizeof(struct bss_info_basic) +\
+ sizeof(struct bss_info_rf_ch) +\
+ sizeof(struct bss_info_ra) + \
+ sizeof(struct bss_info_he) + \
+ sizeof(struct bss_info_bmc_rate) +\
+ sizeof(struct bss_info_ext_bss) +\
+ sizeof(struct bss_info_sync_mode))
+
+#define MT7915_BEACON_UPDATE_SIZE (sizeof(struct sta_req_hdr) + \
+ sizeof(struct bss_info_bcn_csa) + \
+ sizeof(struct bss_info_bcn_bcc) + \
+ sizeof(struct bss_info_bcn_mbss) + \
+ sizeof(struct bss_info_bcn_cont))
+
+#define PHY_MODE_A BIT(0)
+#define PHY_MODE_B BIT(1)
+#define PHY_MODE_G BIT(2)
+#define PHY_MODE_GN BIT(3)
+#define PHY_MODE_AN BIT(4)
+#define PHY_MODE_AC BIT(5)
+#define PHY_MODE_AX_24G BIT(6)
+#define PHY_MODE_AX_5G BIT(7)
+#define PHY_MODE_AX_6G BIT(8)
+
+#define MODE_CCK BIT(0)
+#define MODE_OFDM BIT(1)
+#define MODE_HT BIT(2)
+#define MODE_VHT BIT(3)
+#define MODE_HE BIT(4)
+
+#define STA_CAP_WMM BIT(0)
+#define STA_CAP_SGI_20 BIT(4)
+#define STA_CAP_SGI_40 BIT(5)
+#define STA_CAP_TX_STBC BIT(6)
+#define STA_CAP_RX_STBC BIT(7)
+#define STA_CAP_VHT_SGI_80 BIT(16)
+#define STA_CAP_VHT_SGI_160 BIT(17)
+#define STA_CAP_VHT_TX_STBC BIT(18)
+#define STA_CAP_VHT_RX_STBC BIT(19)
+#define STA_CAP_VHT_LDPC BIT(23)
+#define STA_CAP_LDPC BIT(24)
+#define STA_CAP_HT BIT(26)
+#define STA_CAP_VHT BIT(27)
+#define STA_CAP_HE BIT(28)
+
+/* HE MAC */
+#define STA_REC_HE_CAP_HTC BIT(0)
+#define STA_REC_HE_CAP_BQR BIT(1)
+#define STA_REC_HE_CAP_BSR BIT(2)
+#define STA_REC_HE_CAP_OM BIT(3)
+#define STA_REC_HE_CAP_AMSDU_IN_AMPDU BIT(4)
+/* HE PHY */
+#define STA_REC_HE_CAP_DUAL_BAND BIT(5)
+#define STA_REC_HE_CAP_LDPC BIT(6)
+#define STA_REC_HE_CAP_TRIG_CQI_FK BIT(7)
+#define STA_REC_HE_CAP_PARTIAL_BW_EXT_RANGE BIT(8)
+/* STBC */
+#define STA_REC_HE_CAP_LE_EQ_80M_TX_STBC BIT(9)
+#define STA_REC_HE_CAP_LE_EQ_80M_RX_STBC BIT(10)
+#define STA_REC_HE_CAP_GT_80M_TX_STBC BIT(11)
+#define STA_REC_HE_CAP_GT_80M_RX_STBC BIT(12)
+/* GI */
+#define STA_REC_HE_CAP_SU_PPDU_1LTF_8US_GI BIT(13)
+#define STA_REC_HE_CAP_SU_MU_PPDU_4LTF_8US_GI BIT(14)
+#define STA_REC_HE_CAP_ER_SU_PPDU_1LTF_8US_GI BIT(15)
+#define STA_REC_HE_CAP_ER_SU_PPDU_4LTF_8US_GI BIT(16)
+#define STA_REC_HE_CAP_NDP_4LTF_3DOT2MS_GI BIT(17)
+/* 242 TONE */
+#define STA_REC_HE_CAP_BW20_RU242_SUPPORT BIT(18)
+#define STA_REC_HE_CAP_TX_1024QAM_UNDER_RU242 BIT(19)
+#define STA_REC_HE_CAP_RX_1024QAM_UNDER_RU242 BIT(20)
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
new file mode 100644
index 000000000000..85d74ecd0351
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -0,0 +1,469 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_H
+#define __MT7915_H
+
+#include <linux/interrupt.h>
+#include <linux/ktime.h>
+#include "../mt76.h"
+#include "regs.h"
+
+#define MT7915_MAX_INTERFACES 4
+#define MT7915_MAX_WMM_SETS 4
+#define MT7915_WTBL_SIZE 288
+#define MT7915_WTBL_RESERVED (MT7915_WTBL_SIZE - 1)
+#define MT7915_WTBL_STA (MT7915_WTBL_RESERVED - \
+ MT7915_MAX_INTERFACES)
+
+#define MT7915_WATCHDOG_TIME (HZ / 10)
+#define MT7915_RESET_TIMEOUT (30 * HZ)
+
+#define MT7915_TX_RING_SIZE 2048
+#define MT7915_TX_MCU_RING_SIZE 256
+#define MT7915_TX_FWDL_RING_SIZE 128
+
+#define MT7915_RX_RING_SIZE 1536
+#define MT7915_RX_MCU_RING_SIZE 512
+
+#define MT7915_FIRMWARE_WA "mediatek/mt7915_wa.bin"
+#define MT7915_FIRMWARE_WM "mediatek/mt7915_wm.bin"
+#define MT7915_ROM_PATCH "mediatek/mt7915_rom_patch.bin"
+
+#define MT7915_EEPROM_SIZE 3584
+#define MT7915_TOKEN_SIZE 8192
+
+#define MT7915_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
+#define MT7915_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
+#define MT7915_5G_RATE_DEFAULT 0x4b /* OFDM 6M */
+#define MT7915_2G_RATE_DEFAULT 0x0 /* CCK 1M */
+
+#define MT7915_SKU_RATE_NUM 161
+#define MT7915_SKU_MAX_DELTA_IDX MT7915_SKU_RATE_NUM
+#define MT7915_SKU_TABLE_SIZE (MT7915_SKU_RATE_NUM + 1)
+
+struct mt7915_vif;
+struct mt7915_sta;
+struct mt7915_dfs_pulse;
+struct mt7915_dfs_pattern;
+
+enum mt7915_txq_id {
+ MT7915_TXQ_FWDL = 16,
+ MT7915_TXQ_MCU_WM,
+ MT7915_TXQ_BAND0,
+ MT7915_TXQ_BAND1,
+ MT7915_TXQ_MCU_WA,
+};
+
+enum mt7915_rxq_id {
+ MT7915_RXQ_BAND0 = 0,
+ MT7915_RXQ_BAND1,
+ MT7915_RXQ_MCU_WM = 0,
+ MT7915_RXQ_MCU_WA,
+};
+
+enum mt7915_ampdu_state {
+ MT7915_AGGR_STOP,
+ MT7915_AGGR_PROGRESS,
+ MT7915_AGGR_START,
+ MT7915_AGGR_OPERATIONAL
+};
+
+struct mt7915_sta_stats {
+ struct rate_info prob_rate;
+ struct rate_info tx_rate;
+
+ unsigned long per;
+ unsigned long changed;
+ unsigned long jiffies;
+};
+
+struct mt7915_sta {
+ struct mt76_wcid wcid; /* must be first */
+
+ struct mt7915_vif *vif;
+
+ struct list_head poll_list;
+ u32 airtime_ac[8];
+
+ struct mt7915_sta_stats stats;
+ struct work_struct stats_work;
+
+ spinlock_t ampdu_lock;
+ enum mt7915_ampdu_state ampdu_state[IEEE80211_NUM_TIDS];
+};
+
+struct mt7915_vif {
+ u16 idx;
+ u8 omac_idx;
+ u8 band_idx;
+ u8 wmm_idx;
+
+ struct {
+ u16 cw_min;
+ u16 cw_max;
+ u16 txop;
+ u8 aifs;
+ } wmm[IEEE80211_NUM_ACS];
+
+ struct mt7915_sta sta;
+ struct mt7915_dev *dev;
+};
+
+struct mib_stats {
+ u16 ack_fail_cnt;
+ u16 fcs_err_cnt;
+ u16 rts_cnt;
+ u16 rts_retries_cnt;
+ u16 ba_miss_cnt;
+};
+
+struct mt7915_phy {
+ struct mt76_phy *mt76;
+ struct mt7915_dev *dev;
+
+ struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
+
+ u32 rxfilter;
+ u32 vif_mask;
+ u32 omac_mask;
+
+ u16 noise;
+ u16 chainmask;
+
+ s16 coverage_class;
+ u8 slottime;
+
+ u8 rdd_state;
+ int dfs_state;
+
+ __le32 rx_ampdu_ts;
+ u32 ampdu_ref;
+
+ struct mib_stats mib;
+
+ struct delayed_work mac_work;
+ u8 mac_work_count;
+};
+
+struct mt7915_dev {
+ union { /* must be first */
+ struct mt76_dev mt76;
+ struct mt76_phy mphy;
+ };
+
+ struct mt7915_phy phy;
+
+ u16 chainmask;
+
+ struct work_struct init_work;
+ struct work_struct reset_work;
+ wait_queue_head_t reset_wait;
+ u32 reset_state;
+
+ struct list_head sta_poll_list;
+ spinlock_t sta_poll_lock;
+
+ u32 hw_pattern;
+
+ spinlock_t token_lock;
+ struct idr token;
+
+ s8 **rate_power; /* TODO: use mt76_rate_power */
+
+ bool fw_debug;
+};
+
+enum {
+ HW_BSSID_0 = 0x0,
+ HW_BSSID_1,
+ HW_BSSID_2,
+ HW_BSSID_3,
+ HW_BSSID_MAX,
+ EXT_BSSID_START = 0x10,
+ EXT_BSSID_1,
+ EXT_BSSID_2,
+ EXT_BSSID_3,
+ EXT_BSSID_4,
+ EXT_BSSID_5,
+ EXT_BSSID_6,
+ EXT_BSSID_7,
+ EXT_BSSID_8,
+ EXT_BSSID_9,
+ EXT_BSSID_10,
+ EXT_BSSID_11,
+ EXT_BSSID_12,
+ EXT_BSSID_13,
+ EXT_BSSID_14,
+ EXT_BSSID_15,
+ EXT_BSSID_END
+};
+
+enum {
+ MT_RX_SEL0,
+ MT_RX_SEL1,
+};
+
+enum mt7915_rdd_cmd {
+ RDD_STOP,
+ RDD_START,
+ RDD_DET_MODE,
+ RDD_RADAR_EMULATE,
+ RDD_START_TXQ = 20,
+ RDD_CAC_START = 50,
+ RDD_CAC_END,
+ RDD_NORMAL_START,
+ RDD_DISABLE_DFS_CAL,
+ RDD_PULSE_DBG,
+ RDD_READ_PULSE,
+ RDD_RESUME_BF,
+ RDD_IRQ_OFF,
+};
+
+enum {
+ RATE_CTRL_RU_INFO,
+ RATE_CTRL_FIXED_RATE_INFO,
+ RATE_CTRL_DUMP_INFO,
+ RATE_CTRL_MU_INFO,
+};
+
+static inline struct mt7915_phy *
+mt7915_hw_phy(struct ieee80211_hw *hw)
+{
+ struct mt76_phy *phy = hw->priv;
+
+ return phy->priv;
+}
+
+static inline struct mt7915_dev *
+mt7915_hw_dev(struct ieee80211_hw *hw)
+{
+ struct mt76_phy *phy = hw->priv;
+
+ return container_of(phy->dev, struct mt7915_dev, mt76);
+}
+
+static inline struct mt7915_phy *
+mt7915_ext_phy(struct mt7915_dev *dev)
+{
+ struct mt76_phy *phy = dev->mt76.phy2;
+
+ if (!phy)
+ return NULL;
+
+ return phy->priv;
+}
+
+static inline void
+mt7915_set_aggr_state(struct mt7915_sta *msta, u8 tid,
+ enum mt7915_ampdu_state state)
+{
+ spin_lock_bh(&msta->ampdu_lock);
+ msta->ampdu_state[tid] = state;
+ spin_unlock_bh(&msta->ampdu_lock);
+}
+
+extern const struct ieee80211_ops mt7915_ops;
+extern struct pci_driver mt7915_pci_driver;
+
+u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
+
+int mt7915_register_device(struct mt7915_dev *dev);
+void mt7915_unregister_device(struct mt7915_dev *dev);
+int mt7915_register_ext_phy(struct mt7915_dev *dev);
+void mt7915_unregister_ext_phy(struct mt7915_dev *dev);
+int mt7915_eeprom_init(struct mt7915_dev *dev);
+u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset);
+int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
+ struct ieee80211_channel *chan,
+ u8 chain_idx);
+void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
+int mt7915_dma_init(struct mt7915_dev *dev);
+void mt7915_dma_prefetch(struct mt7915_dev *dev);
+void mt7915_dma_cleanup(struct mt7915_dev *dev);
+int mt7915_mcu_init(struct mt7915_dev *dev);
+int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
+ struct ieee80211_vif *vif, bool enable);
+int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
+ struct ieee80211_vif *vif, int enable);
+int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable);
+int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable);
+int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
+ struct ieee80211_ampdu_params *params,
+ bool add);
+int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
+ struct ieee80211_ampdu_params *params,
+ bool add);
+int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct mt7915_sta *msta, struct ieee80211_key_conf *key,
+ enum set_key_cmd cmd);
+int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ int enable);
+int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ bool enable);
+int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
+int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
+int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
+ struct ieee80211_sta *sta, u32 rate);
+int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
+int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
+int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
+ bool hdr_trans);
+int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
+int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
+int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
+int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
+int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
+int mt7915_mcu_set_sku(struct mt7915_phy *phy);
+int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
+int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
+int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
+int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
+ const struct mt7915_dfs_pulse *pulse);
+int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
+ const struct mt7915_dfs_pattern *pattern);
+int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
+int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
+int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
+ u8 index, u8 rx_sel, u8 val);
+int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);
+int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
+void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
+void mt7915_mcu_exit(struct mt7915_dev *dev);
+
+static inline bool is_mt7915(struct mt76_dev *dev)
+{
+ return mt76_chip(dev) == 0x7915;
+}
+
+static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
+{
+ mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
+}
+
+static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
+{
+ mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
+}
+
+static inline u32
+mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
+{
+ u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
+ u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
+
+ mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
+ /* use read to push write */
+ mt76_rr(dev, MT_HIF_REMAP_L1);
+
+ return MT_HIF_REMAP_BASE_L1 + offset;
+}
+
+static inline u32
+mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
+{
+ return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
+}
+
+static inline void
+mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
+{
+ mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
+}
+
+static inline u32
+mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
+{
+ val |= mt7915_l1_rr(dev, addr) & ~mask;
+ mt7915_l1_wr(dev, addr, val);
+
+ return val;
+}
+
+#define mt7915_l1_set(dev, addr, val) mt7915_l1_rmw(dev, addr, 0, val)
+#define mt7915_l1_clear(dev, addr, val) mt7915_l1_rmw(dev, addr, val, 0)
+
+static inline u32
+mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
+{
+ u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
+ u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
+
+ mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
+ /* use read to push write */
+ mt76_rr(dev, MT_HIF_REMAP_L2);
+
+ return MT_HIF_REMAP_BASE_L2 + offset;
+}
+
+static inline u32
+mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
+{
+ return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
+}
+
+static inline void
+mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
+{
+ mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
+}
+
+static inline u32
+mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
+{
+ val |= mt7915_l2_rr(dev, addr) & ~mask;
+ mt7915_l2_wr(dev, addr, val);
+
+ return val;
+}
+
+#define mt7915_l2_set(dev, addr, val) mt7915_l2_rmw(dev, addr, 0, val)
+#define mt7915_l2_clear(dev, addr, val) mt7915_l2_rmw(dev, addr, val, 0)
+
+bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
+void mt7915_mac_reset_counters(struct mt7915_phy *phy);
+void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
+void mt7915_mac_sta_poll(struct mt7915_dev *dev);
+void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
+ struct sk_buff *skb, struct mt76_wcid *wcid,
+ struct ieee80211_key_conf *key, bool beacon);
+void mt7915_mac_set_timing(struct mt7915_phy *phy);
+int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
+void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
+int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta);
+void mt7915_mac_work(struct work_struct *work);
+void mt7915_mac_reset_work(struct work_struct *work);
+void mt7915_mac_sta_stats_work(struct work_struct *work);
+int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
+ enum mt76_txq_id qid, struct mt76_wcid *wcid,
+ struct ieee80211_sta *sta,
+ struct mt76_tx_info *tx_info);
+void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
+ struct mt76_queue_entry *e);
+void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
+ struct sk_buff *skb);
+void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
+void mt7915_stats_work(struct work_struct *work);
+void mt7915_txp_skb_unmap(struct mt76_dev *dev,
+ struct mt76_txwi_cache *txwi);
+int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
+int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
+void mt7915_set_stream_he_caps(struct mt7915_phy *phy);
+void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);
+void mt7915_update_channel(struct mt76_dev *mdev);
+int mt7915_init_debugfs(struct mt7915_dev *dev);
+#ifdef CONFIG_MAC80211_DEBUGFS
+void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, struct dentry *dir);
+#endif
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/pci.c b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
new file mode 100644
index 000000000000..7937c6965f59
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/pci.c
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ * Author: Ryder Lee <ryder.lee@mediatek.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "mt7915.h"
+#include "mac.h"
+#include "../trace.h"
+
+static const struct pci_device_id mt7915_pci_device_table[] = {
+ { PCI_DEVICE(0x14c3, 0x7915) },
+ { },
+};
+
+static void
+mt7915_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
+{
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+ mt7915_irq_enable(dev, MT_INT_RX_DONE(q));
+}
+
+/* TODO: support 2/4/6/8 MSI-X vectors */
+static irqreturn_t mt7915_irq_handler(int irq, void *dev_instance)
+{
+ struct mt7915_dev *dev = dev_instance;
+ u32 intr;
+
+ intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
+ mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
+
+ if (!test_bit(MT76_STATE_INITIALIZED, &dev->mphy.state))
+ return IRQ_NONE;
+
+ trace_dev_irq(&dev->mt76, intr, dev->mt76.mmio.irqmask);
+
+ intr &= dev->mt76.mmio.irqmask;
+
+ if (intr & MT_INT_TX_DONE_ALL) {
+ mt7915_irq_disable(dev, MT_INT_TX_DONE_ALL);
+ napi_schedule(&dev->mt76.tx_napi);
+ }
+
+ if (intr & MT_INT_RX_DONE_DATA) {
+ mt7915_irq_disable(dev, MT_INT_RX_DONE_DATA);
+ napi_schedule(&dev->mt76.napi[0]);
+ }
+
+ if (intr & MT_INT_RX_DONE_WM) {
+ mt7915_irq_disable(dev, MT_INT_RX_DONE_WM);
+ napi_schedule(&dev->mt76.napi[1]);
+ }
+
+ if (intr & MT_INT_RX_DONE_WA) {
+ mt7915_irq_disable(dev, MT_INT_RX_DONE_WA);
+ napi_schedule(&dev->mt76.napi[2]);
+ }
+
+ if (intr & MT_INT_MCU_CMD) {
+ u32 val = mt76_rr(dev, MT_MCU_CMD);
+
+ mt76_wr(dev, MT_MCU_CMD, val);
+ if (val & MT_MCU_CMD_ERROR_MASK) {
+ dev->reset_state = val;
+ ieee80211_queue_work(mt76_hw(dev), &dev->reset_work);
+ wake_up(&dev->reset_wait);
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
+static int
+mt7915_alloc_device(struct pci_dev *pdev, struct mt7915_dev *dev)
+{
+#define NUM_BANDS 2
+ int i;
+ s8 **sku;
+
+ sku = devm_kzalloc(&pdev->dev, NUM_BANDS * sizeof(*sku), GFP_KERNEL);
+ if (!sku)
+ return -ENOMEM;
+
+ for (i = 0; i < NUM_BANDS; i++) {
+ sku[i] = devm_kzalloc(&pdev->dev, MT7915_SKU_TABLE_SIZE *
+ sizeof(**sku), GFP_KERNEL);
+ if (!sku[i])
+ return -ENOMEM;
+ }
+ dev->rate_power = sku;
+
+ return 0;
+}
+
+static int mt7915_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ static const struct mt76_driver_ops drv_ops = {
+ /* txwi_size = txd size + txp size */
+ .txwi_size = MT_TXD_SIZE + sizeof(struct mt7915_txp),
+ .drv_flags = MT_DRV_TXWI_NO_FREE,
+ .survey_flags = SURVEY_INFO_TIME_TX |
+ SURVEY_INFO_TIME_RX |
+ SURVEY_INFO_TIME_BSS_RX,
+ .tx_prepare_skb = mt7915_tx_prepare_skb,
+ .tx_complete_skb = mt7915_tx_complete_skb,
+ .rx_skb = mt7915_queue_rx_skb,
+ .rx_poll_complete = mt7915_rx_poll_complete,
+ .sta_ps = mt7915_sta_ps,
+ .sta_add = mt7915_mac_sta_add,
+ .sta_remove = mt7915_mac_sta_remove,
+ .update_survey = mt7915_update_channel,
+ };
+ struct mt7915_dev *dev;
+ struct mt76_dev *mdev;
+ int ret;
+
+ ret = pcim_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
+ if (ret)
+ return ret;
+
+ pci_set_master(pdev);
+
+ ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (ret)
+ return ret;
+
+ mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7915_ops,
+ &drv_ops);
+ if (!mdev)
+ return -ENOMEM;
+
+ dev = container_of(mdev, struct mt7915_dev, mt76);
+ ret = mt7915_alloc_device(pdev, dev);
+ if (ret)
+ return ret;
+
+ mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
+ mdev->rev = (mt7915_l1_rr(dev, MT_HW_CHIPID) << 16) |
+ (mt7915_l1_rr(dev, MT_HW_REV) & 0xff);
+ dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
+
+ /* master switch of PCIe tnterrupt enable */
+ mt7915_l1_wr(dev, MT_PCIE_MAC_INT_ENABLE, 0xff);
+
+ ret = devm_request_irq(mdev->dev, pdev->irq, mt7915_irq_handler,
+ IRQF_SHARED, KBUILD_MODNAME, dev);
+ if (ret)
+ goto error;
+
+ ret = mt7915_register_device(dev);
+ if (ret)
+ goto error;
+
+ return 0;
+error:
+ ieee80211_free_hw(mt76_hw(dev));
+ return ret;
+}
+
+static void mt7915_pci_remove(struct pci_dev *pdev)
+{
+ struct mt76_dev *mdev = pci_get_drvdata(pdev);
+ struct mt7915_dev *dev = container_of(mdev, struct mt7915_dev, mt76);
+
+ mt7915_unregister_device(dev);
+}
+
+struct pci_driver mt7915_pci_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt7915_pci_device_table,
+ .probe = mt7915_pci_probe,
+ .remove = mt7915_pci_remove,
+};
+
+module_pci_driver(mt7915_pci_driver);
+
+MODULE_DEVICE_TABLE(pci, mt7915_pci_device_table);
+MODULE_FIRMWARE(MT7915_FIRMWARE_WA);
+MODULE_FIRMWARE(MT7915_FIRMWARE_WM);
+MODULE_FIRMWARE(MT7915_ROM_PATCH);
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
new file mode 100644
index 000000000000..c121715f8bff
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -0,0 +1,375 @@
+/* SPDX-License-Identifier: ISC */
+/* Copyright (C) 2020 MediaTek Inc. */
+
+#ifndef __MT7915_REGS_H
+#define __MT7915_REGS_H
+
+/* MCU WFDMA1 */
+#define MT_MCU_WFDMA1_BASE 0x3000
+#define MT_MCU_WFDMA1(ofs) (MT_MCU_WFDMA1_BASE + (ofs))
+
+#define MT_MCU_INT_EVENT MT_MCU_WFDMA1(0x108)
+#define MT_MCU_INT_EVENT_DMA_STOPPED BIT(0)
+#define MT_MCU_INT_EVENT_DMA_INIT BIT(1)
+#define MT_MCU_INT_EVENT_SER_TRIGGER BIT(2)
+#define MT_MCU_INT_EVENT_RESET_DONE BIT(3)
+
+#define MT_PLE_BASE 0x8000
+#define MT_PLE(ofs) (MT_PLE_BASE + (ofs))
+
+#define MT_PLE_FL_Q0_CTRL MT_PLE(0x1b0)
+#define MT_PLE_FL_Q1_CTRL MT_PLE(0x1b4)
+#define MT_PLE_FL_Q2_CTRL MT_PLE(0x1b8)
+#define MT_PLE_FL_Q3_CTRL MT_PLE(0x1bc)
+
+#define MT_PLE_AC_QEMPTY(ac, n) MT_PLE(0x300 + 0x10 * (ac) + \
+ ((n) << 2))
+#define MT_PLE_AMSDU_PACK_MSDU_CNT(n) MT_PLE(0x10e0 + ((n) << 2))
+
+#define MT_MDP_BASE 0xf000
+#define MT_MDP(ofs) (MT_MDP_BASE + (ofs))
+
+#define MT_MDP_DCR0 MT_MDP(0x000)
+#define MT_MDP_DCR0_DAMSDU_EN BIT(15)
+
+#define MT_MDP_DCR1 MT_MDP(0x004)
+#define MT_MDP_DCR1_MAX_RX_LEN GENMASK(15, 3)
+
+#define MT_MDP_BNRCFR0(_band) MT_MDP(0x070 + ((_band) << 8))
+#define MT_MDP_RCFR0_MCU_RX_MGMT GENMASK(5, 4)
+#define MT_MDP_RCFR0_MCU_RX_CTL_NON_BAR GENMASK(7, 6)
+#define MT_MDP_RCFR0_MCU_RX_CTL_BAR GENMASK(9, 8)
+
+#define MT_MDP_BNRCFR1(_band) MT_MDP(0x074 + ((_band) << 8))
+#define MT_MDP_RCFR1_MCU_RX_BYPASS GENMASK(23, 22)
+#define MT_MDP_RCFR1_RX_DROPPED_UCAST GENMASK(28, 27)
+#define MT_MDP_RCFR1_RX_DROPPED_MCAST GENMASK(30, 29)
+#define MT_MDP_TO_HIF 0
+#define MT_MDP_TO_WM 1
+
+/* TMAC: band 0(0x21000), band 1(0xa1000) */
+#define MT_WF_TMAC_BASE(_band) ((_band) ? 0xa1000 : 0x21000)
+#define MT_WF_TMAC(_band, ofs) (MT_WF_TMAC_BASE(_band) + (ofs))
+
+#define MT_TMAC_CDTR(_band) MT_WF_TMAC(_band, 0x090)
+#define MT_TMAC_ODTR(_band) MT_WF_TMAC(_band, 0x094)
+#define MT_TIMEOUT_VAL_PLCP GENMASK(15, 0)
+#define MT_TIMEOUT_VAL_CCA GENMASK(31, 16)
+
+#define MT_TMAC_ICR0(_band) MT_WF_TMAC(_band, 0x0a4)
+#define MT_IFS_EIFS GENMASK(8, 0)
+#define MT_IFS_RIFS GENMASK(14, 10)
+#define MT_IFS_SIFS GENMASK(22, 16)
+#define MT_IFS_SLOT GENMASK(30, 24)
+
+#define MT_TMAC_CTCR0(_band) MT_WF_TMAC(_band, 0x0f4)
+#define MT_TMAC_CTCR0_INS_DDLMT_REFTIME GENMASK(5, 0)
+#define MT_TMAC_CTCR0_INS_DDLMT_EN BIT(17)
+#define MT_TMAC_CTCR0_INS_DDLMT_VHT_SMPDU_EN BIT(18)
+
+/* DMA Band 0 */
+#define MT_WF_DMA_BASE 0x21e00
+#define MT_WF_DMA(ofs) (MT_WF_DMA_BASE + (ofs))
+
+#define MT_DMA_DCR0 MT_WF_DMA(0x000)
+#define MT_DMA_DCR0_MAX_RX_LEN GENMASK(15, 3)
+#define MT_DMA_DCR0_RXD_G5_EN BIT(23)
+
+/* ETBF: band 0(0x24000), band 1(0xa4000) */
+#define MT_WF_ETBF_BASE(_band) ((_band) ? 0xa4000 : 0x24000)
+#define MT_WF_ETBF(_band, ofs) (MT_WF_ETBF_BASE(_band) + (ofs))
+
+#define MT_ETBF_TX_NDP_BFRP(_band) MT_WF_ETBF(_band, 0x040)
+#define MT_ETBF_TX_FB_CPL GENMASK(31, 16)
+#define MT_ETBF_TX_FB_TRI GENMASK(15, 0)
+
+#define MT_ETBF_TX_APP_CNT(_band) MT_WF_ETBF(_band, 0x0f0)
+#define MT_ETBF_TX_IBF_CNT GENMASK(31, 16)
+#define MT_ETBF_TX_EBF_CNT GENMASK(15, 0)
+
+#define MT_ETBF_RX_FB_CNT(_band) MT_WF_ETBF(_band, 0x0f8)
+#define MT_ETBF_RX_FB_ALL GENMASK(31, 24)
+#define MT_ETBF_RX_FB_HE GENMASK(23, 16)
+#define MT_ETBF_RX_FB_VHT GENMASK(15, 8)
+#define MT_ETBF_RX_FB_HT GENMASK(7, 0)
+
+/* LPON: band 0(0x24200), band 1(0xa4200) */
+#define MT_WF_LPON_BASE(_band) ((_band) ? 0xa4200 : 0x24200)
+#define MT_WF_LPON(_band, ofs) (MT_WF_LPON_BASE(_band) + (ofs))
+
+#define MT_LPON_UTTR0(_band) MT_WF_LPON(_band, 0x080)
+#define MT_LPON_UTTR1(_band) MT_WF_LPON(_band, 0x084)
+
+#define MT_LPON_TCR(_band, n) MT_WF_LPON(_band, 0x0a8 + (n) * 4)
+#define MT_LPON_TCR_SW_MODE GENMASK(1, 0)
+#define MT_LPON_TCR_SW_WRITE BIT(0)
+
+/* MIB: band 0(0x24800), band 1(0xa4800) */
+#define MT_WF_MIB_BASE(_band) ((_band) ? 0xa4800 : 0x24800)
+#define MT_WF_MIB(_band, ofs) (MT_WF_MIB_BASE(_band) + (ofs))
+
+#define MT_MIB_SDR3(_band) MT_WF_MIB(_band, 0x014)
+#define MT_MIB_SDR3_FCS_ERR_MASK GENMASK(15, 0)
+
+#define MT_MIB_SDR9(_band) MT_WF_MIB(_band, 0x02c)
+#define MT_MIB_SDR9_BUSY_MASK GENMASK(23, 0)
+
+#define MT_MIB_SDR16(_band) MT_WF_MIB(_band, 0x048)
+#define MT_MIB_SDR16_BUSY_MASK GENMASK(23, 0)
+
+#define MT_MIB_SDR36(_band) MT_WF_MIB(_band, 0x098)
+#define MT_MIB_SDR36_TXTIME_MASK GENMASK(23, 0)
+#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x09c)
+#define MT_MIB_SDR37_RXTIME_MASK GENMASK(23, 0)
+
+#define MT_MIB_DR11(_band) MT_WF_MIB(_band, 0x0cc)
+
+#define MT_MIB_MB_SDR0(_band, n) MT_WF_MIB(_band, 0x100 + ((n) << 4))
+#define MT_MIB_RTS_RETRIES_COUNT_MASK GENMASK(31, 16)
+#define MT_MIB_RTS_COUNT_MASK GENMASK(15, 0)
+
+#define MT_MIB_MB_SDR1(_band, n) MT_WF_MIB(_band, 0x104 + ((n) << 4))
+#define MT_MIB_BA_MISS_COUNT_MASK GENMASK(15, 0)
+#define MT_MIB_ACK_FAIL_COUNT_MASK GENMASK(31, 16)
+
+#define MT_MIB_MB_SDR2(_band, n) MT_WF_MIB(_band, 0x108 + ((n) << 4))
+#define MT_MIB_FRAME_RETRIES_COUNT_MASK GENMASK(15, 0)
+
+#define MT_TX_AGG_CNT(_band, n) MT_WF_MIB(_band, 0x0a8 + ((n) << 2))
+#define MT_TX_AGG_CNT2(_band, n) MT_WF_MIB(_band, 0x164 + ((n) << 2))
+#define MT_MIB_ARNG(_band, n) MT_WF_MIB(_band, 0x4b8 + ((n) << 2))
+#define MT_MIB_ARNCR_RANGE(val, n) (((val) >> ((n) << 3)) & GENMASK(7, 0))
+
+#define MT_WTBLON_TOP_BASE 0x34000
+#define MT_WTBLON_TOP(ofs) (MT_WTBLON_TOP_BASE + (ofs))
+#define MT_WTBLON_TOP_WDUCR MT_WTBLON_TOP(0x0)
+#define MT_WTBLON_TOP_WDUCR_GROUP GENMASK(2, 0)
+
+#define MT_WTBL_UPDATE MT_WTBLON_TOP(0x030)
+#define MT_WTBL_UPDATE_WLAN_IDX GENMASK(9, 0)
+#define MT_WTBL_UPDATE_ADM_COUNT_CLEAR BIT(12)
+#define MT_WTBL_UPDATE_BUSY BIT(31)
+
+#define MT_WTBL_BASE 0x38000
+#define MT_WTBL_LMAC_ID GENMASK(14, 8)
+#define MT_WTBL_LMAC_DW GENMASK(7, 2)
+#define MT_WTBL_LMAC_OFFS(_id, _dw) (MT_WTBL_BASE | \
+ FIELD_PREP(MT_WTBL_LMAC_ID, _id) | \
+ FIELD_PREP(MT_WTBL_LMAC_DW, _dw))
+
+/* AGG: band 0(0x20800), band 1(0xa0800) */
+#define MT_WF_AGG_BASE(_band) ((_band) ? 0xa0800 : 0x20800)
+#define MT_WF_AGG(_band, ofs) (MT_WF_AGG_BASE(_band) + (ofs))
+
+#define MT_AGG_ACR0(_band) MT_WF_AGG(_band, 0x084)
+#define MT_AGG_ACR_CFEND_RATE GENMASK(13, 0)
+#define MT_AGG_ACR_BAR_RATE GENMASK(29, 16)
+
+/* ARB: band 0(0x20c00), band 1(0xa0c00) */
+#define MT_WF_ARB_BASE(_band) ((_band) ? 0xa0c00 : 0x20c00)
+#define MT_WF_ARB(_band, ofs) (MT_WF_ARB_BASE(_band) + (ofs))
+
+#define MT_ARB_SCR(_band) MT_WF_ARB(_band, 0x080)
+#define MT_ARB_SCR_TX_DISABLE BIT(8)
+#define MT_ARB_SCR_RX_DISABLE BIT(9)
+
+/* RMAC: band 0(0x21400), band 1(0xa1400) */
+#define MT_WF_RMAC_BASE(_band) ((_band) ? 0xa1400 : 0x21400)
+#define MT_WF_RMAC(_band, ofs) (MT_WF_RMAC_BASE(_band) + (ofs))
+
+#define MT_WF_RFCR(_band) MT_WF_RMAC(_band, 0x000)
+#define MT_WF_RFCR_DROP_STBC_MULTI BIT(0)
+#define MT_WF_RFCR_DROP_FCSFAIL BIT(1)
+#define MT_WF_RFCR_DROP_VERSION BIT(3)
+#define MT_WF_RFCR_DROP_PROBEREQ BIT(4)
+#define MT_WF_RFCR_DROP_MCAST BIT(5)
+#define MT_WF_RFCR_DROP_BCAST BIT(6)
+#define MT_WF_RFCR_DROP_MCAST_FILTERED BIT(7)
+#define MT_WF_RFCR_DROP_A3_MAC BIT(8)
+#define MT_WF_RFCR_DROP_A3_BSSID BIT(9)
+#define MT_WF_RFCR_DROP_A2_BSSID BIT(10)
+#define MT_WF_RFCR_DROP_OTHER_BEACON BIT(11)
+#define MT_WF_RFCR_DROP_FRAME_REPORT BIT(12)
+#define MT_WF_RFCR_DROP_CTL_RSV BIT(13)
+#define MT_WF_RFCR_DROP_CTS BIT(14)
+#define MT_WF_RFCR_DROP_RTS BIT(15)
+#define MT_WF_RFCR_DROP_DUPLICATE BIT(16)
+#define MT_WF_RFCR_DROP_OTHER_BSS BIT(17)
+#define MT_WF_RFCR_DROP_OTHER_UC BIT(18)
+#define MT_WF_RFCR_DROP_OTHER_TIM BIT(19)
+#define MT_WF_RFCR_DROP_NDPA BIT(20)
+#define MT_WF_RFCR_DROP_UNWANTED_CTL BIT(21)
+
+#define MT_WF_RFCR1(_band) MT_WF_RMAC(_band, 0x004)
+#define MT_WF_RFCR1_DROP_ACK BIT(4)
+#define MT_WF_RFCR1_DROP_BF_POLL BIT(5)
+#define MT_WF_RFCR1_DROP_BA BIT(6)
+#define MT_WF_RFCR1_DROP_CFEND BIT(7)
+#define MT_WF_RFCR1_DROP_CFACK BIT(8)
+
+#define MT_WF_RMAC_MIB_TIME0(_band) MT_WF_RMAC(_band, 0x03c4)
+#define MT_WF_RMAC_MIB_RXTIME_CLR BIT(31)
+#define MT_WF_RMAC_MIB_RXTIME_EN BIT(30)
+
+#define MT_WF_RMAC_MIB_AIRTIME14(_band) MT_WF_RMAC(_band, 0x03b8)
+#define MT_MIB_OBSSTIME_MASK GENMASK(23, 0)
+#define MT_WF_RMAC_MIB_AIRTIME0(_band) MT_WF_RMAC(_band, 0x0380)
+
+/* WFDMA0 */
+#define MT_WFDMA0_BASE 0xd4000
+#define MT_WFDMA0(ofs) (MT_WFDMA0_BASE + (ofs))
+
+#define MT_WFDMA0_RST MT_WFDMA0(0x100)
+#define MT_WFDMA0_RST_LOGIC_RST BIT(4)
+#define MT_WFDMA0_RST_DMASHDL_ALL_RST BIT(5)
+
+#define MT_WFDMA0_BUSY_ENA MT_WFDMA0(0x13c)
+#define MT_WFDMA0_BUSY_ENA_TX_FIFO0 BIT(0)
+#define MT_WFDMA0_BUSY_ENA_TX_FIFO1 BIT(1)
+#define MT_WFDMA0_BUSY_ENA_RX_FIFO BIT(2)
+
+#define MT_WFDMA0_GLO_CFG MT_WFDMA0(0x208)
+#define MT_WFDMA0_GLO_CFG_TX_DMA_EN BIT(0)
+#define MT_WFDMA0_GLO_CFG_RX_DMA_EN BIT(2)
+
+#define MT_WFDMA0_RST_DTX_PTR MT_WFDMA0(0x20c)
+#define MT_WFDMA0_PRI_DLY_INT_CFG0 MT_WFDMA0(0x2f0)
+
+#define MT_RX_DATA_RING_BASE MT_WFDMA0(0x500)
+
+#define MT_WFDMA0_RX_RING0_EXT_CTRL MT_WFDMA0(0x680)
+#define MT_WFDMA0_RX_RING1_EXT_CTRL MT_WFDMA0(0x684)
+#define MT_WFDMA0_RX_RING2_EXT_CTRL MT_WFDMA0(0x688)
+
+/* WFDMA1 */
+#define MT_WFDMA1_BASE 0xd5000
+#define MT_WFDMA1(ofs) (MT_WFDMA1_BASE + (ofs))
+
+#define MT_WFDMA1_RST MT_WFDMA1(0x100)
+#define MT_WFDMA1_RST_LOGIC_RST BIT(4)
+#define MT_WFDMA1_RST_DMASHDL_ALL_RST BIT(5)
+
+#define MT_WFDMA1_BUSY_ENA MT_WFDMA1(0x13c)
+#define MT_WFDMA1_BUSY_ENA_TX_FIFO0 BIT(0)
+#define MT_WFDMA1_BUSY_ENA_TX_FIFO1 BIT(1)
+#define MT_WFDMA1_BUSY_ENA_RX_FIFO BIT(2)
+
+#define MT_MCU_CMD MT_WFDMA1(0x1f0)
+#define MT_MCU_CMD_STOP_DMA_FW_RELOAD BIT(1)
+#define MT_MCU_CMD_STOP_DMA BIT(2)
+#define MT_MCU_CMD_RESET_DONE BIT(3)
+#define MT_MCU_CMD_RECOVERY_DONE BIT(4)
+#define MT_MCU_CMD_NORMAL_STATE BIT(5)
+#define MT_MCU_CMD_ERROR_MASK GENMASK(5, 1)
+
+#define MT_WFDMA1_GLO_CFG MT_WFDMA1(0x208)
+#define MT_WFDMA1_GLO_CFG_TX_DMA_EN BIT(0)
+#define MT_WFDMA1_GLO_CFG_RX_DMA_EN BIT(2)
+#define MT_WFDMA1_GLO_CFG_OMIT_TX_INFO BIT(28)
+#define MT_WFDMA1_GLO_CFG_OMIT_RX_INFO BIT(27)
+
+#define MT_WFDMA1_RST_DTX_PTR MT_WFDMA1(0x20c)
+#define MT_WFDMA1_PRI_DLY_INT_CFG0 MT_WFDMA1(0x2f0)
+
+#define MT_TX_RING_BASE MT_WFDMA1(0x300)
+#define MT_RX_EVENT_RING_BASE MT_WFDMA1(0x500)
+
+#define MT_WFDMA1_TX_RING0_EXT_CTRL MT_WFDMA1(0x600)
+#define MT_WFDMA1_TX_RING1_EXT_CTRL MT_WFDMA1(0x604)
+#define MT_WFDMA1_TX_RING2_EXT_CTRL MT_WFDMA1(0x608)
+#define MT_WFDMA1_TX_RING3_EXT_CTRL MT_WFDMA1(0x60c)
+#define MT_WFDMA1_TX_RING4_EXT_CTRL MT_WFDMA1(0x610)
+#define MT_WFDMA1_TX_RING5_EXT_CTRL MT_WFDMA1(0x614)
+#define MT_WFDMA1_TX_RING6_EXT_CTRL MT_WFDMA1(0x618)
+#define MT_WFDMA1_TX_RING7_EXT_CTRL MT_WFDMA1(0x61c)
+
+#define MT_WFDMA1_TX_RING16_EXT_CTRL MT_WFDMA1(0x640)
+#define MT_WFDMA1_TX_RING17_EXT_CTRL MT_WFDMA1(0x644)
+#define MT_WFDMA1_TX_RING18_EXT_CTRL MT_WFDMA1(0x648)
+#define MT_WFDMA1_TX_RING19_EXT_CTRL MT_WFDMA1(0x64c)
+#define MT_WFDMA1_TX_RING20_EXT_CTRL MT_WFDMA1(0x650)
+#define MT_WFDMA1_TX_RING21_EXT_CTRL MT_WFDMA1(0x654)
+#define MT_WFDMA1_TX_RING22_EXT_CTRL MT_WFDMA1(0x658)
+#define MT_WFDMA1_TX_RING23_EXT_CTRL MT_WFDMA1(0x65c)
+
+#define MT_WFDMA1_RX_RING0_EXT_CTRL MT_WFDMA1(0x680)
+#define MT_WFDMA1_RX_RING1_EXT_CTRL MT_WFDMA1(0x684)
+#define MT_WFDMA1_RX_RING2_EXT_CTRL MT_WFDMA1(0x688)
+#define MT_WFDMA1_RX_RING3_EXT_CTRL MT_WFDMA1(0x68c)
+
+/* WFDMA CSR */
+#define MT_WFDMA_EXT_CSR_BASE 0xd7000
+#define MT_WFDMA_EXT_CSR(ofs) (MT_WFDMA_EXT_CSR_BASE + (ofs))
+
+#define MT_INT_SOURCE_CSR MT_WFDMA_EXT_CSR(0x10)
+#define MT_INT_MASK_CSR MT_WFDMA_EXT_CSR(0x14)
+#define MT_INT_RX_DONE_DATA BIT(16)
+#define MT_INT_RX_DONE_WM BIT(0)
+#define MT_INT_RX_DONE_WA BIT(1)
+#define MT_INT_RX_DONE(_n) ((_n) ? BIT((_n) - 1) : BIT(16))
+#define MT_INT_RX_DONE_ALL (BIT(0) | BIT(1) | BIT(16))
+#define MT_INT_TX_DONE_ALL (BIT(15) | GENMASK(27, 26) | BIT(30))
+#define MT_INT_MCU_CMD BIT(29)
+
+#define MT_WFDMA_EXT_CSR_HIF_MISC MT_WFDMA_EXT_CSR(0x44)
+#define MT_WFDMA_EXT_CSR_HIF_MISC_BUSY BIT(0)
+
+/* WFDMA0 PCIE1 */
+#define MT_WFDMA0_PCIE1_BASE 0xd8000
+#define MT_WFDMA0_PCIE1(ofs) (MT_WFDMA0_PCIE1_BASE + (ofs))
+
+#define MT_WFDMA0_PCIE1_BUSY_ENA MT_WFDMA0_PCIE1(0x13c)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO0 BIT(0)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_TX_FIFO1 BIT(1)
+#define MT_WFDMA0_PCIE1_BUSY_ENA_RX_FIFO BIT(2)
+
+/* WFDMA1 PCIE1 */
+#define MT_WFDMA1_PCIE1_BASE 0xd9000
+#define MT_WFDMA1_PCIE1(ofs) (MT_WFDMA0_PCIE1_BASE + (ofs))
+
+#define MT_WFDMA1_PCIE1_BUSY_ENA MT_WFDMA1_PCIE1(0x13c)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO0 BIT(0)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_TX_FIFO1 BIT(1)
+#define MT_WFDMA1_PCIE1_BUSY_ENA_RX_FIFO BIT(2)
+
+#define MT_INFRA_CFG_BASE 0xf1000
+#define MT_INFRA(ofs) (MT_INFRA_CFG_BASE + (ofs))
+
+#define MT_HIF_REMAP_L1 MT_INFRA(0x1ac)
+#define MT_HIF_REMAP_L1_MASK GENMASK(15, 0)
+#define MT_HIF_REMAP_L1_OFFSET GENMASK(15, 0)
+#define MT_HIF_REMAP_L1_BASE GENMASK(31, 16)
+#define MT_HIF_REMAP_BASE_L1 0xe0000
+
+#define MT_HIF_REMAP_L2 MT_INFRA(0x1b0)
+#define MT_HIF_REMAP_L2_MASK GENMASK(19, 0)
+#define MT_HIF_REMAP_L2_OFFSET GENMASK(11, 0)
+#define MT_HIF_REMAP_L2_BASE GENMASK(31, 12)
+#define MT_HIF_REMAP_BASE_L2 0x00000
+
+#define MT_TOP_BASE 0x18060000
+#define MT_TOP(ofs) (MT_TOP_BASE + (ofs))
+
+#define MT_TOP_LPCR_HOST_BAND0 MT_TOP(0x10)
+#define MT_TOP_LPCR_HOST_FW_OWN BIT(0)
+#define MT_TOP_LPCR_HOST_DRV_OWN BIT(1)
+
+#define MT_TOP_MISC MT_TOP(0xf0)
+#define MT_TOP_MISC_FW_STATE GENMASK(2, 0)
+
+#define MT_HW_BOUND 0x70010020
+#define MT_HW_CHIPID 0x70010200
+#define MT_HW_REV 0x70010204
+
+#define MT_PCIE_MAC_BASE 0x74030000
+#define MT_PCIE_MAC(ofs) (MT_PCIE_MAC_BASE + (ofs))
+#define MT_PCIE_MAC_INT_ENABLE MT_PCIE_MAC(0x188)
+
+/* PHY: band 0(0x83080000), band 1(0x83090000) */
+#define MT_WF_PHY_BASE 0x83080000
+#define MT_WF_PHY(ofs) (MT_WF_PHY_BASE + (ofs))
+
+#define MT_WF_PHY_RX_CTRL1(_phy) MT_WF_PHY(0x2004 + ((_phy) << 16))
+#define MT_WF_PHY_RX_CTRL1_STSCNT_EN GENMASK(11, 9)
+
+#endif
diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c
index eff522dbda34..fca38ea2441f 100644
--- a/drivers/net/wireless/mediatek/mt76/tx.c
+++ b/drivers/net/wireless/mediatek/mt76/tx.c
@@ -101,19 +101,17 @@ mt76_tx_status_lock(struct mt76_dev *dev, struct sk_buff_head *list)
{
__skb_queue_head_init(list);
spin_lock_bh(&dev->status_list.lock);
- __acquire(&dev->status_list.lock);
}
EXPORT_SYMBOL_GPL(mt76_tx_status_lock);
void
mt76_tx_status_unlock(struct mt76_dev *dev, struct sk_buff_head *list)
- __releases(&dev->status_list.unlock)
+ __releases(&dev->status_list.lock)
{
struct ieee80211_hw *hw;
struct sk_buff *skb;
spin_unlock_bh(&dev->status_list.lock);
- __release(&dev->status_list.unlock);
while ((skb = __skb_dequeue(list)) != NULL) {
hw = mt76_tx_status_get_hw(dev, skb);
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index a981da6c35a5..fb97ea25b4d4 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -1009,8 +1009,19 @@ static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q)
static u8 mt76u_ac_to_hwq(struct mt76_dev *dev, u8 ac)
{
- if (mt76_chip(dev) == 0x7663)
- return ac ^ 0x3;
+ if (mt76_chip(dev) == 0x7663) {
+ static const u8 wmm_queue_map[] = {
+ [IEEE80211_AC_VO] = 0,
+ [IEEE80211_AC_VI] = 1,
+ [IEEE80211_AC_BE] = 2,
+ [IEEE80211_AC_BK] = 4,
+ };
+
+ if (WARN_ON(ac >= ARRAY_SIZE(wmm_queue_map)))
+ return 2; /* BE */
+
+ return wmm_queue_map[ac];
+ }
return mt76_ac_to_hwq(ac);
}
diff --git a/drivers/net/wireless/mediatek/mt76/util.c b/drivers/net/wireless/mediatek/mt76/util.c
index 8c60c450125a..ecde87465bf6 100644
--- a/drivers/net/wireless/mediatek/mt76/util.c
+++ b/drivers/net/wireless/mediatek/mt76/util.c
@@ -42,17 +42,17 @@ bool __mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
}
EXPORT_SYMBOL_GPL(__mt76_poll_msec);
-int mt76_wcid_alloc(unsigned long *mask, int size)
+int mt76_wcid_alloc(u32 *mask, int size)
{
int i, idx = 0, cur;
- for (i = 0; i < size / BITS_PER_LONG; i++) {
+ for (i = 0; i < DIV_ROUND_UP(size, 32); i++) {
idx = ffs(~mask[i]);
if (!idx)
continue;
idx--;
- cur = i * BITS_PER_LONG + idx;
+ cur = i * 32 + idx;
if (cur >= size)
break;
@@ -74,13 +74,13 @@ int mt76_get_min_avg_rssi(struct mt76_dev *dev, bool ext_phy)
rcu_read_lock();
for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
- unsigned long mask = dev->wcid_mask[i];
- unsigned long phy_mask = dev->wcid_phy_mask[i];
+ u32 mask = dev->wcid_mask[i];
+ u32 phy_mask = dev->wcid_phy_mask[i];
if (!mask)
continue;
- for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1, phy_mask >>= 1) {
+ for (j = i * 32; mask; j++, mask >>= 1, phy_mask >>= 1) {
if (!(mask & 1))
continue;
diff --git a/drivers/net/wireless/mediatek/mt76/util.h b/drivers/net/wireless/mediatek/mt76/util.h
index 48a71e7479e5..fd1a68820e0a 100644
--- a/drivers/net/wireless/mediatek/mt76/util.h
+++ b/drivers/net/wireless/mediatek/mt76/util.h
@@ -14,24 +14,24 @@
#define MT76_INCR(_var, _size) \
(_var = (((_var) + 1) % (_size)))
-int mt76_wcid_alloc(unsigned long *mask, int size);
+int mt76_wcid_alloc(u32 *mask, int size);
static inline bool
-mt76_wcid_mask_test(unsigned long *mask, int idx)
+mt76_wcid_mask_test(u32 *mask, int idx)
{
- return mask[idx / BITS_PER_LONG] & BIT(idx % BITS_PER_LONG);
+ return mask[idx / 32] & BIT(idx % 32);
}
static inline void
-mt76_wcid_mask_set(unsigned long *mask, int idx)
+mt76_wcid_mask_set(u32 *mask, int idx)
{
- mask[idx / BITS_PER_LONG] |= BIT(idx % BITS_PER_LONG);
+ mask[idx / 32] |= BIT(idx % 32);
}
static inline void
-mt76_wcid_mask_clear(unsigned long *mask, int idx)
+mt76_wcid_mask_clear(u32 *mask, int idx)
{
- mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG);
+ mask[idx / 32] &= ~BIT(idx % 32);
}
static inline void
diff --git a/drivers/net/wireless/quantenna/qtnfmac/bus.h b/drivers/net/wireless/quantenna/qtnfmac/bus.h
index 87d048df09d1..3334c45aac13 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/bus.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/bus.h
@@ -69,7 +69,7 @@ struct qtnf_bus {
struct notifier_block netdev_nb;
u8 hw_id[ETH_ALEN];
/* bus private data */
- char bus_priv[0] __aligned(sizeof(void *));
+ char bus_priv[] __aligned(sizeof(void *));
};
static inline bool qtnf_fw_is_up(struct qtnf_bus *bus)
diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
index 8be17106008d..54cdf3ad09d7 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
@@ -389,55 +389,57 @@ static int qtnf_set_wiphy_params(struct wiphy *wiphy, u32 changed)
}
static void
-qtnf_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+qtnf_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
struct qtnf_vif *vif = qtnf_netdev_get_priv(wdev->netdev);
- u16 mgmt_type;
- u16 new_mask;
- u16 qlink_frame_type = 0;
+ u16 new_mask = upd->interface_stypes;
+ u16 old_mask = vif->mgmt_frames_bitmask;
+ static const struct {
+ u16 mask, qlink_type;
+ } updates[] = {
+ {
+ .mask = BIT(IEEE80211_STYPE_REASSOC_REQ >> 4) |
+ BIT(IEEE80211_STYPE_ASSOC_REQ >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_ASSOC_REQ,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_AUTH >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_AUTH,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_PROBE_REQ,
+ },
+ {
+ .mask = BIT(IEEE80211_STYPE_ACTION >> 4),
+ .qlink_type = QLINK_MGMT_FRAME_ACTION,
+ },
+ };
+ unsigned int i;
- mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4;
+ if (new_mask == old_mask)
+ return;
- if (reg)
- new_mask = vif->mgmt_frames_bitmask | BIT(mgmt_type);
- else
- new_mask = vif->mgmt_frames_bitmask & ~BIT(mgmt_type);
+ for (i = 0; i < ARRAY_SIZE(updates); i++) {
+ u16 mask = updates[i].mask;
+ u16 qlink_frame_type = updates[i].qlink_type;
+ bool reg;
- if (new_mask == vif->mgmt_frames_bitmask)
- return;
+ /* the ! are here due to the assoc/reassoc merge */
+ if (!(new_mask & mask) == !(old_mask & mask))
+ continue;
- switch (frame_type & IEEE80211_FCTL_STYPE) {
- case IEEE80211_STYPE_REASSOC_REQ:
- case IEEE80211_STYPE_ASSOC_REQ:
- qlink_frame_type = QLINK_MGMT_FRAME_ASSOC_REQ;
- break;
- case IEEE80211_STYPE_AUTH:
- qlink_frame_type = QLINK_MGMT_FRAME_AUTH;
- break;
- case IEEE80211_STYPE_PROBE_REQ:
- qlink_frame_type = QLINK_MGMT_FRAME_PROBE_REQ;
- break;
- case IEEE80211_STYPE_ACTION:
- qlink_frame_type = QLINK_MGMT_FRAME_ACTION;
- break;
- default:
- pr_warn("VIF%u.%u: unsupported frame type: %X\n",
- vif->mac->macid, vif->vifid,
- (frame_type & IEEE80211_FCTL_STYPE) >> 4);
- return;
- }
+ reg = new_mask & mask;
- if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg)) {
- pr_warn("VIF%u.%u: failed to %sregister mgmt frame type 0x%x\n",
- vif->mac->macid, vif->vifid, reg ? "" : "un",
- frame_type);
- return;
+ if (qtnf_cmd_send_register_mgmt(vif, qlink_frame_type, reg))
+ pr_warn("VIF%u.%u: failed to %sregister qlink frame type 0x%x\n",
+ vif->mac->macid, vif->vifid, reg ? "" : "un",
+ qlink_frame_type);
}
vif->mgmt_frames_bitmask = new_mask;
- pr_debug("VIF%u.%u: %sregistered mgmt frame type 0x%x\n",
- vif->mac->macid, vif->vifid, reg ? "" : "un", frame_type);
}
static int
@@ -1017,7 +1019,8 @@ static struct cfg80211_ops qtn_cfg80211_ops = {
.change_beacon = qtnf_change_beacon,
.stop_ap = qtnf_stop_ap,
.set_wiphy_params = qtnf_set_wiphy_params,
- .mgmt_frame_register = qtnf_mgmt_frame_register,
+ .update_mgmt_frame_registrations =
+ qtnf_update_mgmt_frame_registrations,
.mgmt_tx = qtnf_mgmt_tx,
.change_station = qtnf_change_station,
.del_station = qtnf_del_station,
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
index dbb241106d8a..eb67b66b846b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
@@ -286,7 +286,7 @@ static int pearl_skb2rbd_attach(struct qtnf_pcie_pearl_state *ps, u16 index)
struct sk_buff *skb;
dma_addr_t paddr;
- skb = __netdev_alloc_skb_ip_align(NULL, SKB_BUF_SIZE, GFP_ATOMIC);
+ skb = netdev_alloc_skb_ip_align(NULL, SKB_BUF_SIZE);
if (!skb) {
priv->rx_skb[index] = NULL;
return -ENOMEM;
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
index dbf3c5fd751f..d1b850aa4657 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
@@ -247,7 +247,7 @@ topaz_skb2rbd_attach(struct qtnf_pcie_topaz_state *ts, u16 index, u32 wrap)
struct sk_buff *skb;
dma_addr_t paddr;
- skb = __netdev_alloc_skb_ip_align(NULL, SKB_BUF_SIZE, GFP_ATOMIC);
+ skb = netdev_alloc_skb_ip_align(NULL, SKB_BUF_SIZE);
if (!skb) {
ts->base.rx_skb[index] = NULL;
return -ENOMEM;
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
index 4d22a54c034f..2dda4c5d7427 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
@@ -362,7 +362,7 @@ struct qlink_cmd {
struct qlink_cmd_init_fw {
struct qlink_cmd chdr;
__le32 qlink_proto_ver;
- u8 var_info[0];
+ u8 var_info[];
} __packed;
/**
@@ -434,7 +434,7 @@ struct qlink_cmd_frame_tx {
__le32 cookie;
__le16 freq;
__le16 flags;
- u8 frame_data[0];
+ u8 frame_data[];
} __packed;
/**
@@ -466,7 +466,7 @@ struct qlink_cmd_add_key {
__le32 cipher;
__le16 vlanid;
u8 rsvd[2];
- u8 key_data[0];
+ u8 key_data[];
} __packed;
/**
@@ -578,7 +578,7 @@ struct qlink_cmd_connect {
u8 mfp;
u8 pbss;
u8 rsvd[2];
- u8 payload[0];
+ u8 payload[];
} __packed;
/**
@@ -592,7 +592,7 @@ struct qlink_cmd_external_auth {
struct qlink_cmd chdr;
u8 peer[ETH_ALEN];
__le16 status;
- u8 payload[0];
+ u8 payload[];
} __packed;
/**
@@ -698,7 +698,7 @@ struct qlink_cmd_reg_notify {
u8 dfs_region;
u8 slave_radar;
u8 dfs_offload;
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -773,7 +773,7 @@ struct qlink_cmd_start_ap {
struct qlink_sr_params sr_params;
u8 twt_responder;
u8 rsvd[3];
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -807,7 +807,7 @@ struct qlink_mac_address {
struct qlink_acl_data {
__le32 policy;
__le32 num_entries;
- struct qlink_mac_address mac_addrs[0];
+ struct qlink_mac_address mac_addrs[];
} __packed;
/**
@@ -882,7 +882,7 @@ enum qlink_wowlan_trigger {
struct qlink_cmd_wowlan_set {
struct qlink_cmd chdr;
__le32 triggers;
- u8 data[0];
+ u8 data[];
} __packed;
enum qlink_ndev_event_type {
@@ -958,7 +958,7 @@ struct qlink_cmd_scan {
u8 bssid[ETH_ALEN];
u8 scan_width;
u8 rsvd[3];
- u8 var_info[0];
+ u8 var_info[];
} __packed;
/**
@@ -972,7 +972,7 @@ struct qlink_cmd_update_owe {
struct qlink_cmd chdr;
u8 peer[ETH_ALEN];
__le16 status;
- u8 ies[0];
+ u8 ies[];
} __packed;
/* QLINK Command Responses messages related definitions
@@ -1106,7 +1106,7 @@ struct qlink_resp_get_mac_info {
u8 n_reg_rules;
u8 dfs_region;
u8 rsvd[3];
- u8 var_info[0];
+ u8 var_info[];
} __packed;
/**
@@ -1131,7 +1131,7 @@ struct qlink_resp_get_hw_info {
u8 mac_bitmap;
u8 total_tx_chain;
u8 total_rx_chain;
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -1167,7 +1167,7 @@ struct qlink_resp_get_sta_info {
struct qlink_resp rhdr;
u8 sta_addr[ETH_ALEN];
u8 rsvd[2];
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -1184,7 +1184,7 @@ struct qlink_resp_band_info_get {
u8 num_chans;
u8 num_bitrates;
u8 rsvd[1];
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -1196,7 +1196,7 @@ struct qlink_resp_band_info_get {
struct qlink_resp_get_chan_stats {
struct qlink_resp rhdr;
__le32 chan_freq;
- u8 info[0];
+ u8 info[];
} __packed;
/**
@@ -1270,7 +1270,7 @@ struct qlink_event_sta_assoc {
struct qlink_event ehdr;
u8 sta_addr[ETH_ALEN];
__le16 frame_control;
- u8 ies[0];
+ u8 ies[];
} __packed;
/**
@@ -1297,7 +1297,7 @@ struct qlink_event_bss_join {
struct qlink_chandef chan;
u8 bssid[ETH_ALEN];
__le16 status;
- u8 ies[0];
+ u8 ies[];
} __packed;
/**
@@ -1339,7 +1339,7 @@ struct qlink_event_rxmgmt {
__le32 flags;
s8 sig_dbm;
u8 rsvd[3];
- u8 frame_data[0];
+ u8 frame_data[];
} __packed;
/**
@@ -1367,7 +1367,7 @@ struct qlink_event_scan_result {
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 bssid[ETH_ALEN];
u8 rsvd[2];
- u8 payload[0];
+ u8 payload[];
} __packed;
/**
@@ -1456,7 +1456,7 @@ struct qlink_event_update_owe {
struct qlink_event ehdr;
u8 peer[ETH_ALEN];
u8 rsvd[2];
- u8 ies[0];
+ u8 ies[];
} __packed;
/* QLINK TLVs (Type-Length Values) definitions
@@ -1512,7 +1512,7 @@ enum qlink_tlv_id {
struct qlink_tlv_hdr {
__le16 type;
__le16 len;
- u8 val[0];
+ u8 val[];
} __packed;
struct qlink_iface_limit {
@@ -1524,7 +1524,7 @@ struct qlink_iface_limit_record {
__le16 max_interfaces;
u8 num_different_channels;
u8 n_limits;
- struct qlink_iface_limit limits[0];
+ struct qlink_iface_limit limits[];
} __packed;
#define QLINK_RSSI_OFFSET 120
@@ -1647,7 +1647,7 @@ struct qlink_tlv_ie_set {
u8 type;
u8 flags;
u8 rsvd[2];
- u8 ie_data[0];
+ u8 ie_data[];
} __packed;
/**
@@ -1660,7 +1660,7 @@ struct qlink_tlv_ext_ie {
struct qlink_tlv_hdr hdr;
u8 eid_ext;
u8 rsvd[3];
- u8 ie_data[0];
+ u8 ie_data[];
} __packed;
#define IEEE80211_HE_PPE_THRES_MAX_LEN 25
@@ -1681,7 +1681,7 @@ struct qlink_tlv_iftype_data {
struct qlink_tlv_hdr hdr;
u8 n_iftype_data;
u8 rsvd[3];
- struct qlink_sband_iftype_data iftype_data[0];
+ struct qlink_sband_iftype_data iftype_data[];
} __packed;
/**
@@ -1867,7 +1867,7 @@ struct qlink_random_mac_addr {
struct qlink_wowlan_capab_data {
__le16 version;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
/**
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 6beac1f74e7c..a779fe771a55 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -9971,9 +9971,7 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
if (!rt2x00_is_usb(rt2x00dev))
ieee80211_hw_set(rt2x00dev->hw, HOST_BROADCAST_PS_BUFFERING);
- /* Set MFP if HW crypto is disabled. */
- if (rt2800_hwcrypt_disabled(rt2x00dev))
- ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
+ ieee80211_hw_set(rt2x00dev->hw, MFP_CAPABLE);
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
index 32efbc8e9f92..2f68a31072ae 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -468,7 +468,8 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
return 0;
- if (!rt2x00_has_cap_hw_crypto(rt2x00dev))
+ /* The hardware can't do MFP */
+ if (!rt2x00_has_cap_hw_crypto(rt2x00dev) || (sta && sta->mfp))
return -EOPNOTSUPP;
/*
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index c1d542bfa530..bf3fbd14eda3 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2794,8 +2794,7 @@ static int __init init_ray_cs(void)
proc_create_data("driver/ray_cs/translate", 0200, NULL, &int_proc_ops,
&translate);
#endif
- if (translate != 0)
- translate = 1;
+ translate = !!translate;
return 0;
} /* init_ray_cs */
diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c
index b2616d61b66d..585784258c66 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c
@@ -606,10 +606,6 @@ static const u8 rtl8225z2_tx_power_cck[] = {
0x26, 0x25, 0x21, 0x1b, 0x14, 0x0d, 0x06, 0x03
};
-static const u8 rtl8225z2_tx_power_ofdm[] = {
- 0x42, 0x00, 0x40, 0x00, 0x40
-};
-
static const u8 rtl8225z2_tx_gain_cck_ofdm[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index c75192c4447f..a4489b9302d4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -505,7 +505,7 @@ void rtl_init_rfkill(struct ieee80211_hw *hw)
rtlpriv->rfkill.rfkill_state = radio_state;
- blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
+ blocked = rtlpriv->rfkill.rfkill_state != 1;
wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c
index f73e690bbe8e..4dd82c6052f0 100644
--- a/drivers/net/wireless/realtek/rtlwifi/core.c
+++ b/drivers/net/wireless/realtek/rtlwifi/core.c
@@ -1722,7 +1722,7 @@ static void rtl_op_rfkill_poll(struct ieee80211_hw *hw)
"wireless radio switch turned %s\n",
radio_state ? "on" : "off");
- blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;
+ blocked = !rtlpriv->rfkill.rfkill_state;
wiphy_rfkill_set_hw_state(hw->wiphy, blocked);
}
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rc.c b/drivers/net/wireless/realtek/rtlwifi/rc.c
index 0c7d74902d33..4b5ea0ec9109 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rc.c
@@ -261,7 +261,7 @@ static void rtl_rate_update(void *ppriv,
{
}
-static void *rtl_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+static void *rtl_rate_alloc(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
return rtlpriv;
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c
index 0f401ad92c2e..c376817a1bf4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/rf.c
@@ -51,7 +51,7 @@ void rtl88e_phy_rf6052_set_cck_txpower(struct ieee80211_hw *hw,
if (rtlefuse->eeprom_regulatory != 0)
turbo_scanoff = true;
- if (mac->act_scanning == true) {
+ if (mac->act_scanning) {
tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
@@ -473,7 +473,7 @@ static bool _rtl88e_phy_rf6052_config_parafile(struct ieee80211_hw *hw)
break;
}
- if (rtstatus != true) {
+ if (!rtstatus) {
RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE,
"Radio[%d] Fail!!\n", rfpath);
return false;
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
index 4865639ac9ea..02b77521b5cd 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/sw.c
@@ -67,9 +67,9 @@ static int rtl88e_init_sw_vars(struct ieee80211_hw *hw)
char *fw_name;
rtl8188ee_bt_reg_init(hw);
- rtlpriv->dm.dm_initialgain_enable = 1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
- rtlpriv->dm.disable_framebursting = 0;
+ rtlpriv->dm.disable_framebursting = false;
rtlpriv->dm.thermalvalue = 0;
rtlpci->transmit_config = CFENDFORM | BIT(15);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c
index 6dba576aa81e..bb291b951f4d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/phy.c
@@ -2866,14 +2866,12 @@ void rtl92ee_phy_iq_calibrate(struct ieee80211_hw *hw, bool b_recovery)
}
}
- for (i = 0; i < 4; i++) {
- reg_e94 = result[i][0];
- reg_e9c = result[i][1];
- reg_ea4 = result[i][2];
- reg_eb4 = result[i][4];
- reg_ebc = result[i][5];
- reg_ec4 = result[i][6];
- }
+ reg_e94 = result[3][0];
+ reg_e9c = result[3][1];
+ reg_ea4 = result[3][2];
+ reg_eb4 = result[3][4];
+ reg_ebc = result[3][5];
+ reg_ec4 = result[3][6];
if (final_candidate != 0xff) {
reg_e94 = result[final_candidate][0];
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
index b337d599b6f4..7a16563b3a5d 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/sw.c
@@ -75,9 +75,9 @@ static int rtl92ee_init_sw_vars(struct ieee80211_hw *hw)
rtlpci->msi_support = rtlpriv->cfg->mod_params->msi_support;
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
- rtlpriv->dm.dm_initialgain_enable = 1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
- rtlpriv->dm.disable_framebursting = 0;
+ rtlpriv->dm.disable_framebursting = false;
rtlpci->transmit_config = CFENDFORM | BIT(15);
/*just 2.4G band*/
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.c
index 680198280f8f..652d8ff9cccb 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hal_btc.c
@@ -131,7 +131,7 @@ static bool rtl8723e_dm_bt_is_same_coexist_state(struct ieee80211_hw *hw)
(rtlpriv->btcoexist.previous_state_h ==
rtlpriv->btcoexist.cstate_h)) {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
- "[DM][BT], Coexist state do not chang!!\n");
+ "[DM][BT], Coexist state do not change!!\n");
return true;
} else {
RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_DMESG,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
index 655460f61bbc..7a46c6a9deae 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
@@ -614,22 +614,22 @@ static bool _rtl8723e_llt_table_init(struct ieee80211_hw *hw)
for (i = 0; i < (txpktbuf_bndy - 1); i++) {
status = _rtl8723e_llt_write(hw, i, i + 1);
- if (true != status)
+ if (!status)
return status;
}
status = _rtl8723e_llt_write(hw, (txpktbuf_bndy - 1), 0xFF);
- if (true != status)
+ if (!status)
return status;
for (i = txpktbuf_bndy; i < maxpage; i++) {
status = _rtl8723e_llt_write(hw, i, (i + 1));
- if (true != status)
+ if (!status)
return status;
}
status = _rtl8723e_llt_write(hw, maxpage, txpktbuf_bndy);
- if (true != status)
+ if (!status)
return status;
rtl_write_byte(rtlpriv, REG_CR, 0xff);
@@ -934,7 +934,7 @@ int rtl8723e_hw_init(struct ieee80211_hw *hw)
rtlpriv->intf_ops->disable_aspm(hw);
rtstatus = _rtl8712e_init_mac(hw);
- if (rtstatus != true) {
+ if (!rtstatus) {
pr_err("Init MAC failed\n");
err = 1;
goto exit;
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
index ea86d5bf33d2..7828acb1de3f 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/sw.c
@@ -78,9 +78,9 @@ static int rtl8723e_init_sw_vars(struct ieee80211_hw *hw)
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
- rtlpriv->dm.dm_initialgain_enable = 1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
- rtlpriv->dm.disable_framebursting = 0;
+ rtlpriv->dm.disable_framebursting = false;
rtlpriv->dm.thermalvalue = 0;
rtlpci->transmit_config = CFENDFORM | BIT(12) | BIT(13);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
index 36209ac5b208..d220e8955e37 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/sw.c
@@ -74,9 +74,9 @@ static int rtl8723be_init_sw_vars(struct ieee80211_hw *hw)
rtl8723be_bt_reg_init(hw);
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
- rtlpriv->dm.dm_initialgain_enable = 1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
- rtlpriv->dm.disable_framebursting = 0;
+ rtlpriv->dm.disable_framebursting = false;
rtlpriv->dm.thermalvalue = 0;
rtlpci->transmit_config = CFENDFORM | BIT(15) | BIT(24) | BIT(25);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
index d8df816753cb..950542a24e31 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/sw.c
@@ -76,9 +76,9 @@ static int rtl8821ae_init_sw_vars(struct ieee80211_hw *hw)
rtl8821ae_bt_reg_init(hw);
rtlpriv->btcoexist.btc_ops = rtl_btc_get_ops_pointer();
- rtlpriv->dm.dm_initialgain_enable = 1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtlpriv->dm.dm_flag = 0;
- rtlpriv->dm.disable_framebursting = 0;
+ rtlpriv->dm.disable_framebursting = false;
rtlpriv->dm.thermalvalue = 0;
rtlpci->transmit_config = CFENDFORM | BIT(15) | BIT(24) | BIT(25);
diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
index 348b0072cdd6..c66c6dc00378 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -881,10 +881,8 @@ static struct urb *_rtl_usb_tx_urb_setup(struct ieee80211_hw *hw,
WARN_ON(NULL == skb);
_urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!_urb) {
- kfree_skb(skb);
+ if (!_urb)
return NULL;
- }
_rtl_install_trx_info(rtlusb, skb, ep_num);
usb_fill_bulk_urb(_urb, rtlusb->udev, usb_sndbulkpipe(rtlusb->udev,
ep_num), skb->data, skb->len, _rtl_tx_complete, skb);
@@ -898,7 +896,6 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
struct rtl_usb *rtlusb = rtl_usbdev(rtl_usbpriv(hw));
u32 ep_num;
struct urb *_urb = NULL;
- struct sk_buff *_skb = NULL;
WARN_ON(NULL == rtlusb->usb_tx_aggregate_hdl);
if (unlikely(IS_USB_STOP(rtlusb))) {
@@ -907,8 +904,7 @@ static void _rtl_usb_transmit(struct ieee80211_hw *hw, struct sk_buff *skb,
return;
}
ep_num = rtlusb->ep_map.ep_mapping[qnum];
- _skb = skb;
- _urb = _rtl_usb_tx_urb_setup(hw, _skb, ep_num);
+ _urb = _rtl_usb_tx_urb_setup(hw, skb, ep_num);
if (unlikely(!_urb)) {
pr_err("Can't allocate urb. Drop skb!\n");
kfree_skb(skb);
diff --git a/drivers/net/wireless/realtek/rtw88/Kconfig b/drivers/net/wireless/realtek/rtw88/Kconfig
index 33bd7ed797ff..ca894c4f96ac 100644
--- a/drivers/net/wireless/realtek/rtw88/Kconfig
+++ b/drivers/net/wireless/realtek/rtw88/Kconfig
@@ -16,26 +16,48 @@ config RTW88_CORE
config RTW88_PCI
tristate
+config RTW88_8822B
+ tristate
+
+config RTW88_8822C
+ tristate
+
+config RTW88_8723D
+ tristate
+
config RTW88_8822BE
- bool "Realtek 8822BE PCI wireless network adapter"
+ tristate "Realtek 8822BE PCI wireless network adapter"
depends on PCI
select RTW88_CORE
select RTW88_PCI
+ select RTW88_8822B
help
Select this option will enable support for 8822BE chipset
802.11ac PCIe wireless network adapter
config RTW88_8822CE
- bool "Realtek 8822CE PCI wireless network adapter"
+ tristate "Realtek 8822CE PCI wireless network adapter"
depends on PCI
select RTW88_CORE
select RTW88_PCI
+ select RTW88_8822C
help
Select this option will enable support for 8822CE chipset
802.11ac PCIe wireless network adapter
+config RTW88_8723DE
+ tristate "Realtek 8723DE PCI wireless network adapter"
+ depends on PCI
+ select RTW88_CORE
+ select RTW88_PCI
+ select RTW88_8723D
+ help
+ Select this option will enable support for 8723DE chipset
+
+ 802.11n PCIe wireless network adapter
+
config RTW88_DEBUG
bool "Realtek rtw88 debug support"
depends on RTW88_CORE
diff --git a/drivers/net/wireless/realtek/rtw88/Makefile b/drivers/net/wireless/realtek/rtw88/Makefile
index cac148d13cf1..f31e78a6f146 100644
--- a/drivers/net/wireless/realtek/rtw88/Makefile
+++ b/drivers/net/wireless/realtek/rtw88/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
-obj-$(CONFIG_RTW88_CORE) += rtw88.o
-rtw88-y += main.o \
+obj-$(CONFIG_RTW88_CORE) += rtw88_core.o
+rtw88_core-y += main.o \
mac80211.o \
util.o \
debug.o \
@@ -18,8 +18,24 @@ rtw88-y += main.o \
wow.o \
regd.o
-rtw88-$(CONFIG_RTW88_8822BE) += rtw8822b.o rtw8822b_table.o
-rtw88-$(CONFIG_RTW88_8822CE) += rtw8822c.o rtw8822c_table.o
-obj-$(CONFIG_RTW88_PCI) += rtwpci.o
-rtwpci-objs := pci.o
+obj-$(CONFIG_RTW88_8822B) += rtw88_8822b.o
+rtw88_8822b-objs := rtw8822b.o rtw8822b_table.o
+
+obj-$(CONFIG_RTW88_8822BE) += rtw88_8822be.o
+rtw88_8822be-objs := rtw8822be.o
+
+obj-$(CONFIG_RTW88_8822C) += rtw88_8822c.o
+rtw88_8822c-objs := rtw8822c.o rtw8822c_table.o
+
+obj-$(CONFIG_RTW88_8822CE) += rtw88_8822ce.o
+rtw88_8822ce-objs := rtw8822ce.o
+
+obj-$(CONFIG_RTW88_8723D) += rtw88_8723d.o
+rtw88_8723d-objs := rtw8723d.o rtw8723d_table.o
+
+obj-$(CONFIG_RTW88_8723DE) += rtw88_8723de.o
+rtw88_8723de-objs := rtw8723de.o
+
+obj-$(CONFIG_RTW88_PCI) += rtw88_pci.o
+rtw88_pci-objs := pci.o
diff --git a/drivers/net/wireless/realtek/rtw88/bf.c b/drivers/net/wireless/realtek/rtw88/bf.c
index b6d1d71f4d30..8a070d5d9174 100644
--- a/drivers/net/wireless/realtek/rtw88/bf.c
+++ b/drivers/net/wireless/realtek/rtw88/bf.c
@@ -10,7 +10,6 @@
void rtw_bf_disassoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
- struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
struct rtw_bfee *bfee = &rtwvif->bfee;
struct rtw_bf_info *bfinfo = &rtwdev->bf_info;
@@ -23,7 +22,7 @@ void rtw_bf_disassoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
else if (bfee->role == RTW_BFEE_SU)
bfinfo->bfer_su_cnt--;
- chip->ops->config_bfee(rtwdev, rtwvif, bfee, false);
+ rtw_chip_config_bfee(rtwdev, rtwvif, bfee, false);
bfee->role = RTW_BFEE_NONE;
}
@@ -71,7 +70,7 @@ void rtw_bf_assoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
bfee->aid = bss_conf->aid;
bfinfo->bfer_mu_cnt++;
- chip->ops->config_bfee(rtwdev, rtwvif, bfee, true);
+ rtw_chip_config_bfee(rtwdev, rtwvif, bfee, true);
} else if ((ic_vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE) &&
(vht_cap->cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE)) {
if (bfinfo->bfer_su_cnt >= chip->bfer_su_max_num) {
@@ -97,7 +96,7 @@ void rtw_bf_assoc(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
}
}
- chip->ops->config_bfee(rtwdev, rtwvif, bfee, true);
+ rtw_chip_config_bfee(rtwdev, rtwvif, bfee, true);
}
out_unlock:
@@ -221,6 +220,7 @@ void rtw_bf_enable_bfee_su(struct rtw_dev *rtwdev, struct rtw_vif *vif,
/* ndp rx standby timer */
rtw_write8(rtwdev, REG_SND_PTCL_CTRL + 3, RTW_NDP_RX_STANDBY_TIME);
}
+EXPORT_SYMBOL(rtw_bf_enable_bfee_su);
/* nc index: 1 2T2R 0 1T1R
* nr index: 1 use Nsts 0 use reg setting
@@ -264,6 +264,7 @@ void rtw_bf_enable_bfee_mu(struct rtw_dev *rtwdev, struct rtw_vif *vif,
/* accept NDPA and BF report poll */
rtw_write16_set(rtwdev, REG_RXFLTMAP1, BIT_RXFLTMAP1_BF);
}
+EXPORT_SYMBOL(rtw_bf_enable_bfee_mu);
void rtw_bf_remove_bfee_su(struct rtw_dev *rtwdev,
struct rtw_bfee *bfee)
@@ -289,6 +290,7 @@ void rtw_bf_remove_bfee_su(struct rtw_dev *rtwdev,
clear_bit(bfee->su_reg_index, bfinfo->bfer_su_reg_maping);
bfee->su_reg_index = 0xFF;
}
+EXPORT_SYMBOL(rtw_bf_remove_bfee_su);
void rtw_bf_remove_bfee_mu(struct rtw_dev *rtwdev,
struct rtw_bfee *bfee)
@@ -302,6 +304,7 @@ void rtw_bf_remove_bfee_mu(struct rtw_dev *rtwdev,
if (bfinfo->bfer_su_cnt == 0 && bfinfo->bfer_mu_cnt == 0)
rtw_bf_del_sounding(rtwdev);
}
+EXPORT_SYMBOL(rtw_bf_remove_bfee_mu);
void rtw_bf_set_gid_table(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *conf)
@@ -330,6 +333,7 @@ void rtw_bf_set_gid_table(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
rtw_bf_cfg_mu_bfee(rtwdev, &param);
}
+EXPORT_SYMBOL(rtw_bf_set_gid_table);
void rtw_bf_phy_init(struct rtw_dev *rtwdev)
{
@@ -366,6 +370,7 @@ void rtw_bf_phy_init(struct rtw_dev *rtwdev)
rtw_write32_mask(rtwdev, REG_BBPSF_CTRL, BIT_MASK_CSI_RATE,
DESC_RATE6M);
}
+EXPORT_SYMBOL(rtw_bf_phy_init);
void rtw_bf_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate,
u8 fixrate_en, u8 *new_rate)
@@ -396,3 +401,4 @@ void rtw_bf_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate,
*new_rate = DESC_RATE24M;
}
}
+EXPORT_SYMBOL(rtw_bf_cfg_csi_rate);
diff --git a/drivers/net/wireless/realtek/rtw88/bf.h b/drivers/net/wireless/realtek/rtw88/bf.h
index 96a8216dd11f..17855edb5006 100644
--- a/drivers/net/wireless/realtek/rtw88/bf.h
+++ b/drivers/net/wireless/realtek/rtw88/bf.h
@@ -89,4 +89,26 @@ void rtw_bf_set_gid_table(struct rtw_dev *rtwdev, struct ieee80211_vif *vif,
void rtw_bf_phy_init(struct rtw_dev *rtwdev);
void rtw_bf_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate,
u8 fixrate_en, u8 *new_rate);
+static inline void rtw_chip_config_bfee(struct rtw_dev *rtwdev, struct rtw_vif *vif,
+ struct rtw_bfee *bfee, bool enable)
+{
+ if (rtwdev->chip->ops->config_bfee)
+ rtwdev->chip->ops->config_bfee(rtwdev, vif, bfee, enable);
+}
+
+static inline void rtw_chip_set_gid_table(struct rtw_dev *rtwdev,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *conf)
+{
+ if (rtwdev->chip->ops->set_gid_table)
+ rtwdev->chip->ops->set_gid_table(rtwdev, vif, conf);
+}
+
+static inline void rtw_chip_cfg_csi_rate(struct rtw_dev *rtwdev, u8 rssi, u8 cur_rate,
+ u8 fixrate_en, u8 *new_rate)
+{
+ if (rtwdev->chip->ops->cfg_csi_rate)
+ rtwdev->chip->ops->cfg_csi_rate(rtwdev, rssi, cur_rate,
+ fixrate_en, new_rate);
+}
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c
index 567372fb4e12..cbf3d503df1c 100644
--- a/drivers/net/wireless/realtek/rtw88/coex.c
+++ b/drivers/net/wireless/realtek/rtw88/coex.c
@@ -283,6 +283,7 @@ void rtw_coex_write_scbd(struct rtw_dev *rtwdev, u16 bitpos, bool set)
rtw_write16(rtwdev, REG_WIFI_BT_INFO, val);
}
}
+EXPORT_SYMBOL(rtw_coex_write_scbd);
static u16 rtw_coex_read_scbd(struct rtw_dev *rtwdev)
{
@@ -732,6 +733,7 @@ u32 rtw_coex_read_indirect_reg(struct rtw_dev *rtwdev, u16 addr)
return val;
}
+EXPORT_SYMBOL(rtw_coex_read_indirect_reg);
void rtw_coex_write_indirect_reg(struct rtw_dev *rtwdev, u16 addr,
u32 mask, u32 val)
@@ -745,13 +747,22 @@ void rtw_coex_write_indirect_reg(struct rtw_dev *rtwdev, u16 addr,
if (!ltecoex_reg_write(rtwdev, addr, tmp))
rtw_err(rtwdev, "failed to write indirect register\n");
}
+EXPORT_SYMBOL(rtw_coex_write_indirect_reg);
static void rtw_coex_coex_ctrl_owner(struct rtw_dev *rtwdev, bool wifi_control)
{
- if (wifi_control)
+ struct rtw_chip_info *chip = rtwdev->chip;
+ const struct rtw_hw_reg *btg_reg = chip->btg_reg;
+
+ if (wifi_control) {
rtw_write32_set(rtwdev, REG_SYS_SDIO_CTRL, BIT_LTE_MUX_CTRL_PATH);
- else
+ if (btg_reg)
+ rtw_write8_set(rtwdev, btg_reg->addr, btg_reg->mask);
+ } else {
rtw_write32_clr(rtwdev, REG_SYS_SDIO_CTRL, BIT_LTE_MUX_CTRL_PATH);
+ if (btg_reg)
+ rtw_write8_clr(rtwdev, btg_reg->addr, btg_reg->mask);
+ }
}
static void rtw_coex_set_gnt_bt(struct rtw_dev *rtwdev, u8 state)
@@ -1343,12 +1354,15 @@ static void rtw_coex_action_bt_inquiry(struct rtw_dev *rtwdev)
tdma_case = 108;
else
tdma_case = 109;
+ } else if (coex_stat->wl_gl_busy) {
+ table_case = 114;
+ tdma_case = 121;
} else if (coex_stat->wl_connected) {
- table_case = 101;
- tdma_case = 110;
- } else {
table_case = 100;
tdma_case = 100;
+ } else {
+ table_case = 101;
+ tdma_case = 100;
}
}
diff --git a/drivers/net/wireless/realtek/rtw88/debug.c b/drivers/net/wireless/realtek/rtw88/debug.c
index b4964306de61..09f04feb8fe1 100644
--- a/drivers/net/wireless/realtek/rtw88/debug.c
+++ b/drivers/net/wireless/realtek/rtw88/debug.c
@@ -531,8 +531,8 @@ static int rtw_debugfs_get_tx_pwr_tbl(struct seq_file *m, void *v)
u8 ch = hal->current_channel;
u8 regd = rtwdev->regd.txpwr_regd;
- seq_printf(m, "%-4s %-10s %-3s%6s %-4s %4s (%-4s %-4s)\n",
- "path", "rate", "pwr", "", "base", "", "byr", "lmt");
+ seq_printf(m, "%-4s %-10s %-3s%6s %-4s %4s (%-4s %-4s) %-4s\n",
+ "path", "rate", "pwr", "", "base", "", "byr", "lmt", "rem");
mutex_lock(&hal->tx_power_mutex);
for (path = RF_PATH_A; path <= RF_PATH_B; path++) {
@@ -554,13 +554,14 @@ static int rtw_debugfs_get_tx_pwr_tbl(struct seq_file *m, void *v)
seq_printf(m, "%4c ", path + 'A');
rtw_print_rate(m, rate);
- seq_printf(m, " %3u(0x%02x) %4u %4d (%4d %4d)\n",
+ seq_printf(m, " %3u(0x%02x) %4u %4d (%4d %4d) %4d\n",
hal->tx_pwr_tbl[path][rate],
hal->tx_pwr_tbl[path][rate],
pwr_param.pwr_base,
min_t(s8, pwr_param.pwr_offset,
pwr_param.pwr_limit),
- pwr_param.pwr_offset, pwr_param.pwr_limit);
+ pwr_param.pwr_offset, pwr_param.pwr_limit,
+ pwr_param.pwr_remnant);
}
}
diff --git a/drivers/net/wireless/realtek/rtw88/efuse.c b/drivers/net/wireless/realtek/rtw88/efuse.c
index 212c8376a8c9..c266c84ef233 100644
--- a/drivers/net/wireless/realtek/rtw88/efuse.c
+++ b/drivers/net/wireless/realtek/rtw88/efuse.c
@@ -2,6 +2,8 @@
/* Copyright(c) 2018-2019 Realtek Corporation
*/
+#include <linux/iopoll.h>
+
#include "main.h"
#include "efuse.h"
#include "reg.h"
@@ -90,6 +92,8 @@ static int rtw_dump_physical_efuse_map(struct rtw_dev *rtwdev, u8 *map)
u32 addr;
u32 cnt;
+ rtw_chip_efuse_grant_on(rtwdev);
+
switch_efuse_bank(rtwdev);
/* disable 2.5V LDO */
@@ -113,8 +117,31 @@ static int rtw_dump_physical_efuse_map(struct rtw_dev *rtwdev, u8 *map)
*(map + addr) = (u8)(efuse_ctl & BIT_MASK_EF_DATA);
}
+ rtw_chip_efuse_grant_off(rtwdev);
+
+ return 0;
+}
+
+int rtw_read8_physical_efuse(struct rtw_dev *rtwdev, u16 addr, u8 *data)
+{
+ u32 efuse_ctl;
+ int ret;
+
+ rtw_write32_mask(rtwdev, REG_EFUSE_CTRL, 0x3ff00, addr);
+ rtw_write32_clr(rtwdev, REG_EFUSE_CTRL, BIT_EF_FLAG);
+
+ ret = read_poll_timeout(rtw_read32, efuse_ctl, efuse_ctl & BIT_EF_FLAG,
+ 1000, 100000, false, rtwdev, REG_EFUSE_CTRL);
+ if (ret) {
+ *data = EFUSE_READ_FAIL;
+ return ret;
+ }
+
+ *data = rtw_read8(rtwdev, REG_EFUSE_CTRL);
+
return 0;
}
+EXPORT_SYMBOL(rtw_read8_physical_efuse);
int rtw_parse_efuse_map(struct rtw_dev *rtwdev)
{
diff --git a/drivers/net/wireless/realtek/rtw88/efuse.h b/drivers/net/wireless/realtek/rtw88/efuse.h
index 115bbe85946a..97a51f0b0e46 100644
--- a/drivers/net/wireless/realtek/rtw88/efuse.h
+++ b/drivers/net/wireless/realtek/rtw88/efuse.h
@@ -10,6 +10,8 @@
#define EFUSE_HW_CAP_SUPP_BW80 7
#define EFUSE_HW_CAP_SUPP_BW40 6
+#define EFUSE_READ_FAIL 0xff
+
#define GET_EFUSE_HW_CAP_HCI(hw_cap) \
le32_get_bits(*((__le32 *)(hw_cap) + 0x01), GENMASK(3, 0))
#define GET_EFUSE_HW_CAP_BW(hw_cap) \
@@ -22,5 +24,6 @@
le32_get_bits(*((__le32 *)(hw_cap) + 0x01), GENMASK(27, 26))
int rtw_parse_efuse_map(struct rtw_dev *rtwdev);
+int rtw_read8_physical_efuse(struct rtw_dev *rtwdev, u16 addr, u8 *data);
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
index 05c430b3489c..6478fd7a78f6 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.c
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -2,6 +2,8 @@
/* Copyright(c) 2018-2019 Realtek Corporation
*/
+#include <linux/iopoll.h>
+
#include "main.h"
#include "coex.h"
#include "fw.h"
@@ -23,7 +25,7 @@ static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
switch (sub_cmd_id) {
case C2H_CCX_RPT:
- rtw_tx_report_handle(rtwdev, skb);
+ rtw_tx_report_handle(rtwdev, skb, C2H_CCX_RPT);
break;
default:
break;
@@ -140,6 +142,9 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
goto unlock;
switch (c2h->id) {
+ case C2H_CCX_TX_RPT:
+ rtw_tx_report_handle(rtwdev, skb, C2H_CCX_TX_RPT);
+ break;
case C2H_BT_INFO:
rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
break;
@@ -153,6 +158,7 @@ void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
rtw_fw_ra_report_handle(rtwdev, c2h->payload, len);
break;
default:
+ rtw_dbg(rtwdev, RTW_DBG_FW, "C2H 0x%x isn't handled\n", c2h->id);
break;
}
@@ -193,8 +199,8 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
u8 box;
u8 box_state;
u32 box_reg, box_ex_reg;
- u32 h2c_wait;
int idx;
+ int ret;
rtw_dbg(rtwdev, RTW_DBG_FW,
"send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
@@ -226,12 +232,11 @@ static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
goto out;
}
- h2c_wait = 20;
- do {
- box_state = rtw_read8(rtwdev, REG_HMETFR);
- } while ((box_state >> box) & 0x1 && --h2c_wait > 0);
+ ret = read_poll_timeout_atomic(rtw_read8, box_state,
+ !((box_state >> box) & 0x1), 100, 3000,
+ false, rtwdev, REG_HMETFR);
- if (!h2c_wait) {
+ if (ret) {
rtw_err(rtwdev, "failed to send h2c command\n");
goto out;
}
@@ -270,6 +275,9 @@ rtw_fw_send_general_info(struct rtw_dev *rtwdev)
u8 h2c_pkt[H2C_PKT_SIZE] = {0};
u16 total_size = H2C_PKT_HDR_SIZE + 4;
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return;
+
rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
@@ -290,6 +298,9 @@ rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
u16 total_size = H2C_PKT_HDR_SIZE + 8;
u8 fw_rf_type = 0;
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return;
+
if (hal->rf_type == RF_1T1R)
fw_rf_type = FW_RF_1T1R;
else if (hal->rf_type == RF_2T2R)
@@ -319,6 +330,7 @@ void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
}
+EXPORT_SYMBOL(rtw_fw_do_iqk);
void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
{
@@ -630,8 +642,8 @@ void rtw_fw_set_pg_info(struct rtw_dev *rtwdev)
rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
}
-u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
- struct cfg80211_ssid *ssid)
+static u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
+ struct cfg80211_ssid *ssid)
{
struct rtw_rsvd_page *rsvd_pkt;
u8 location = 0;
@@ -647,8 +659,8 @@ u8 rtw_get_rsvd_page_probe_req_location(struct rtw_dev *rtwdev,
return location;
}
-u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
- struct cfg80211_ssid *ssid)
+static u16 rtw_get_rsvd_page_probe_req_size(struct rtw_dev *rtwdev,
+ struct cfg80211_ssid *ssid)
{
struct rtw_rsvd_page *rsvd_pkt;
u16 size = 0;
@@ -1078,6 +1090,8 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
u8 bckp[2];
u8 val;
u16 rsvd_pg_head;
+ u32 bcn_valid_addr;
+ u32 bcn_valid_mask;
int ret;
lockdep_assert_held(&rtwdev->mutex);
@@ -1085,8 +1099,13 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
if (!size)
return -EINVAL;
- pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
- rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr | BIT_BCN_VALID_V1);
+ if (rtw_chip_wcpu_11n(rtwdev)) {
+ rtw_write32_set(rtwdev, REG_DWBCN0_CTRL, BIT_BCN_VALID);
+ } else {
+ pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
+ pg_addr |= BIT_BCN_VALID_V1;
+ rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr);
+ }
val = rtw_read8(rtwdev, REG_CR + 1);
bckp[0] = val;
@@ -1104,7 +1123,15 @@ int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
goto restore;
}
- if (!check_hw_ready(rtwdev, REG_FIFOPAGE_CTRL_2, BIT_BCN_VALID_V1, 1)) {
+ if (rtw_chip_wcpu_11n(rtwdev)) {
+ bcn_valid_addr = REG_DWBCN0_CTRL;
+ bcn_valid_mask = BIT_BCN_VALID;
+ } else {
+ bcn_valid_addr = REG_FIFOPAGE_CTRL_2;
+ bcn_valid_mask = BIT_BCN_VALID_V1;
+ }
+
+ if (!check_hw_ready(rtwdev, bcn_valid_addr, bcn_valid_mask, 1)) {
rtw_err(rtwdev, "error beacon valid\n");
ret = -EBUSY;
}
diff --git a/drivers/net/wireless/realtek/rtw88/fw.h b/drivers/net/wireless/realtek/rtw88/fw.h
index cdd244857048..470e1809645a 100644
--- a/drivers/net/wireless/realtek/rtw88/fw.h
+++ b/drivers/net/wireless/realtek/rtw88/fw.h
@@ -19,7 +19,14 @@
#define RSVD_PAGE_START_ADDR 0x780
#define FIFO_DUMP_ADDR 0x8000
+#define DLFW_PAGE_SIZE_SHIFT_LEGACY 12
+#define DLFW_PAGE_SIZE_LEGACY 0x1000
+#define DLFW_BLK_SIZE_SHIFT_LEGACY 2
+#define DLFW_BLK_SIZE_LEGACY 4
+#define FW_START_ADDR_LEGACY 0x1000
+
enum rtw_c2h_cmd_id {
+ C2H_CCX_TX_RPT = 0x03,
C2H_BT_INFO = 0x09,
C2H_BT_MP_INFO = 0x0b,
C2H_RA_RPT = 0x0c,
@@ -192,9 +199,30 @@ struct rtw_fw_hdr {
__le32 imem_addr;
} __packed;
+struct rtw_fw_hdr_legacy {
+ __le16 signature;
+ u8 category;
+ u8 function;
+ __le16 version; /* 0x04 */
+ u8 subversion1;
+ u8 subversion2;
+ u8 month; /* 0x08 */
+ u8 day;
+ u8 hour;
+ u8 minute;
+ __le16 size;
+ __le16 rsvd2;
+ __le32 idx; /* 0x10 */
+ __le32 rsvd3;
+ __le32 rsvd4; /* 0x18 */
+ __le32 rsvd5;
+} __packed;
+
/* C2H */
-#define GET_CCX_REPORT_SEQNUM(c2h_payload) (c2h_payload[8] & 0xfc)
-#define GET_CCX_REPORT_STATUS(c2h_payload) (c2h_payload[9] & 0xc0)
+#define GET_CCX_REPORT_SEQNUM_V0(c2h_payload) (c2h_payload[6] & 0xfc)
+#define GET_CCX_REPORT_STATUS_V0(c2h_payload) (c2h_payload[0] & 0xc0)
+#define GET_CCX_REPORT_SEQNUM_V1(c2h_payload) (c2h_payload[8] & 0xfc)
+#define GET_CCX_REPORT_STATUS_V1(c2h_payload) (c2h_payload[9] & 0xc0)
#define GET_RA_REPORT_RATE(c2h_payload) (c2h_payload[0] & 0x7f)
#define GET_RA_REPORT_SGI(c2h_payload) ((c2h_payload[0] & 0x80) >> 7)
diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c
index 7b245779ff90..19b9b7ab016b 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.c
+++ b/drivers/net/wireless/realtek/rtw88/mac.c
@@ -40,6 +40,9 @@ void rtw_set_channel_mac(struct rtw_dev *rtwdev, u8 channel, u8 bw,
}
rtw_write32(rtwdev, REG_WMAC_TRXPTCL_CTL, value32);
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return;
+
value32 = rtw_read32(rtwdev, REG_AFE_CTRL1) & ~(BIT_MAC_CLK_SEL);
value32 |= (MAC_CLK_HW_DEF_80M << BIT_SHIFT_MAC_CLK_SEL);
rtw_write32(rtwdev, REG_AFE_CTRL1, value32);
@@ -53,6 +56,7 @@ void rtw_set_channel_mac(struct rtw_dev *rtwdev, u8 channel, u8 bw,
value8 |= BIT_CHECK_CCK_EN;
rtw_write8(rtwdev, REG_CCK_CHECK, value8);
}
+EXPORT_SYMBOL(rtw_set_channel_mac);
static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev)
{
@@ -61,6 +65,14 @@ static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev)
rtw_write8(rtwdev, REG_RSV_CTRL, 0);
+ if (rtw_chip_wcpu_11n(rtwdev)) {
+ if (rtw_read32(rtwdev, REG_SYS_CFG1) & BIT_LDO)
+ rtw_write8(rtwdev, REG_LDO_SWR_CTRL, LDO_SEL);
+ else
+ rtw_write8(rtwdev, REG_LDO_SWR_CTRL, SPS_SEL);
+ return 0;
+ }
+
switch (rtw_hci_type(rtwdev)) {
case RTW_HCI_TYPE_PCIE:
rtw_write32_set(rtwdev, REG_HCI_OPT_CTRL, BIT_BT_DIG_CLK_EN);
@@ -100,42 +112,55 @@ static int rtw_mac_pre_system_cfg(struct rtw_dev *rtwdev)
return 0;
}
+static bool do_pwr_poll_cmd(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target)
+{
+ u32 cnt;
+
+ target &= mask;
+
+ for (cnt = 0; cnt < RTW_PWR_POLLING_CNT; cnt++) {
+ if ((rtw_read8(rtwdev, addr) & mask) == target)
+ return true;
+
+ udelay(50);
+ }
+
+ return false;
+}
+
static int rtw_pwr_cmd_polling(struct rtw_dev *rtwdev,
const struct rtw_pwr_seq_cmd *cmd)
{
u8 value;
- u8 flag = 0;
u32 offset;
- u32 cnt = RTW_PWR_POLLING_CNT;
if (cmd->base == RTW_PWR_ADDR_SDIO)
offset = cmd->offset | SDIO_LOCAL_OFFSET;
else
offset = cmd->offset;
- do {
- cnt--;
- value = rtw_read8(rtwdev, offset);
- value &= cmd->mask;
- if (value == (cmd->value & cmd->mask))
- return 0;
- if (cnt == 0) {
- if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_PCIE &&
- flag == 0) {
- value = rtw_read8(rtwdev, REG_SYS_PW_CTRL);
- value |= BIT(3);
- rtw_write8(rtwdev, REG_SYS_PW_CTRL, value);
- value &= ~BIT(3);
- rtw_write8(rtwdev, REG_SYS_PW_CTRL, value);
- cnt = RTW_PWR_POLLING_CNT;
- flag = 1;
- } else {
- return -EBUSY;
- }
- } else {
- udelay(50);
- }
- } while (1);
+ if (do_pwr_poll_cmd(rtwdev, offset, cmd->mask, cmd->value))
+ return 0;
+
+ if (rtw_hci_type(rtwdev) != RTW_HCI_TYPE_PCIE)
+ goto err;
+
+ /* if PCIE, toggle BIT_PFM_WOWL and try again */
+ value = rtw_read8(rtwdev, REG_SYS_PW_CTRL);
+ if (rtwdev->chip->id == RTW_CHIP_TYPE_8723D)
+ rtw_write8(rtwdev, REG_SYS_PW_CTRL, value & ~BIT_PFM_WOWL);
+ rtw_write8(rtwdev, REG_SYS_PW_CTRL, value | BIT_PFM_WOWL);
+ rtw_write8(rtwdev, REG_SYS_PW_CTRL, value & ~BIT_PFM_WOWL);
+ if (rtwdev->chip->id == RTW_CHIP_TYPE_8723D)
+ rtw_write8(rtwdev, REG_SYS_PW_CTRL, value | BIT_PFM_WOWL);
+
+ if (do_pwr_poll_cmd(rtwdev, offset, cmd->mask, cmd->value))
+ return 0;
+
+err:
+ rtw_err(rtwdev, "failed to poll offset=0x%x mask=0x%x value=0x%x\n",
+ offset, cmd->mask, cmd->value);
+ return -EBUSY;
}
static int rtw_sub_pwr_seq_parser(struct rtw_dev *rtwdev, u8 intf_mask,
@@ -228,12 +253,14 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on)
u8 rpwm;
bool cur_pwr;
- rpwm = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr);
+ if (rtw_chip_wcpu_11ac(rtwdev)) {
+ rpwm = rtw_read8(rtwdev, rtwdev->hci.rpwm_addr);
- /* Check FW still exist or not */
- if (rtw_read16(rtwdev, REG_MCUFW_CTRL) == 0xC078) {
- rpwm = (rpwm ^ BIT_RPWM_TOGGLE) & BIT_RPWM_TOGGLE;
- rtw_write8(rtwdev, rtwdev->hci.rpwm_addr, rpwm);
+ /* Check FW still exist or not */
+ if (rtw_read16(rtwdev, REG_MCUFW_CTRL) == 0xC078) {
+ rpwm = (rpwm ^ BIT_RPWM_TOGGLE) & BIT_RPWM_TOGGLE;
+ rtw_write8(rtwdev, rtwdev->hci.rpwm_addr, rpwm);
+ }
}
if (rtw_read8(rtwdev, REG_CR) == 0xea)
@@ -244,7 +271,7 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on)
else
cur_pwr = true;
- if (pwr_on && cur_pwr)
+ if (pwr_on == cur_pwr)
return -EALREADY;
pwr_seq = pwr_on ? chip->pwr_on_seq : chip->pwr_off_seq;
@@ -254,7 +281,7 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on)
return 0;
}
-static int rtw_mac_init_system_cfg(struct rtw_dev *rtwdev)
+static int __rtw_mac_init_system_cfg(struct rtw_dev *rtwdev)
{
u8 sys_func_en = rtwdev->chip->sys_func_en;
u8 value8;
@@ -279,6 +306,29 @@ static int rtw_mac_init_system_cfg(struct rtw_dev *rtwdev)
return 0;
}
+static int __rtw_mac_init_system_cfg_legacy(struct rtw_dev *rtwdev)
+{
+ rtw_write8(rtwdev, REG_CR, 0xff);
+ mdelay(2);
+ rtw_write8(rtwdev, REG_HWSEQ_CTRL, 0x7f);
+ mdelay(2);
+
+ rtw_write8_set(rtwdev, REG_SYS_CLKR, BIT_WAKEPAD_EN);
+ rtw_write16_clr(rtwdev, REG_GPIO_MUXCFG, BIT_EN_SIC);
+
+ rtw_write16(rtwdev, REG_CR, 0x2ff);
+
+ return 0;
+}
+
+static int rtw_mac_init_system_cfg(struct rtw_dev *rtwdev)
+{
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return __rtw_mac_init_system_cfg_legacy(rtwdev);
+
+ return __rtw_mac_init_system_cfg(rtwdev);
+}
+
int rtw_mac_power_on(struct rtw_dev *rtwdev)
{
int ret = 0;
@@ -650,7 +700,8 @@ static void download_firmware_end_flow(struct rtw_dev *rtwdev)
rtw_write16(rtwdev, REG_MCUFW_CTRL, fw_ctrl);
}
-int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)
+static int __rtw_download_firmware(struct rtw_dev *rtwdev,
+ struct rtw_fw_state *fw)
{
struct rtw_backup_info bckp[DLFW_RESTORE_REG_NUM];
const u8 *data = fw->firmware->data;
@@ -704,6 +755,151 @@ dlfw_fail:
return ret;
}
+static void en_download_firmware_legacy(struct rtw_dev *rtwdev, bool en)
+{
+ int try;
+
+ if (en) {
+ wlan_cpu_enable(rtwdev, false);
+ wlan_cpu_enable(rtwdev, true);
+
+ rtw_write8_set(rtwdev, REG_MCUFW_CTRL, BIT_MCUFWDL_EN);
+
+ for (try = 0; try < 10; try++) {
+ if (rtw_read8(rtwdev, REG_MCUFW_CTRL) & BIT_MCUFWDL_EN)
+ goto fwdl_ready;
+ rtw_write8_set(rtwdev, REG_MCUFW_CTRL, BIT_MCUFWDL_EN);
+ msleep(20);
+ }
+ rtw_err(rtwdev, "failed to check fw download ready\n");
+fwdl_ready:
+ rtw_write32_clr(rtwdev, REG_MCUFW_CTRL, BIT_ROM_DLEN);
+ } else {
+ rtw_write8_clr(rtwdev, REG_MCUFW_CTRL, BIT_MCUFWDL_EN);
+ }
+}
+
+static void
+write_firmware_page(struct rtw_dev *rtwdev, u32 page, const u8 *data, u32 size)
+{
+ u32 val32;
+ u32 block_nr;
+ u32 remain_size;
+ u32 write_addr = FW_START_ADDR_LEGACY;
+ const __le32 *ptr = (const __le32 *)data;
+ u32 block;
+ __le32 remain_data = 0;
+
+ block_nr = size >> DLFW_BLK_SIZE_SHIFT_LEGACY;
+ remain_size = size & (DLFW_BLK_SIZE_LEGACY - 1);
+
+ val32 = rtw_read32(rtwdev, REG_MCUFW_CTRL);
+ val32 &= ~BIT_ROM_PGE;
+ val32 |= (page << BIT_SHIFT_ROM_PGE) & BIT_ROM_PGE;
+ rtw_write32(rtwdev, REG_MCUFW_CTRL, val32);
+
+ for (block = 0; block < block_nr; block++) {
+ rtw_write32(rtwdev, write_addr, le32_to_cpu(*ptr));
+
+ write_addr += DLFW_BLK_SIZE_LEGACY;
+ ptr++;
+ }
+
+ if (remain_size) {
+ memcpy(&remain_data, ptr, remain_size);
+ rtw_write32(rtwdev, write_addr, le32_to_cpu(remain_data));
+ }
+}
+
+static int
+download_firmware_legacy(struct rtw_dev *rtwdev, const u8 *data, u32 size)
+{
+ u32 page;
+ u32 total_page;
+ u32 last_page_size;
+
+ data += sizeof(struct rtw_fw_hdr_legacy);
+ size -= sizeof(struct rtw_fw_hdr_legacy);
+
+ total_page = size >> DLFW_PAGE_SIZE_SHIFT_LEGACY;
+ last_page_size = size & (DLFW_PAGE_SIZE_LEGACY - 1);
+
+ rtw_write8_set(rtwdev, REG_MCUFW_CTRL, BIT_FWDL_CHK_RPT);
+
+ for (page = 0; page < total_page; page++) {
+ write_firmware_page(rtwdev, page, data, DLFW_PAGE_SIZE_LEGACY);
+ data += DLFW_PAGE_SIZE_LEGACY;
+ }
+ if (last_page_size)
+ write_firmware_page(rtwdev, page, data, last_page_size);
+
+ if (!check_hw_ready(rtwdev, REG_MCUFW_CTRL, BIT_FWDL_CHK_RPT, 1)) {
+ rtw_err(rtwdev, "failed to check download firmware report\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int download_firmware_validate_legacy(struct rtw_dev *rtwdev)
+{
+ u32 val32;
+ int try;
+
+ val32 = rtw_read32(rtwdev, REG_MCUFW_CTRL);
+ val32 |= BIT_MCUFWDL_RDY;
+ val32 &= ~BIT_WINTINI_RDY;
+ rtw_write32(rtwdev, REG_MCUFW_CTRL, val32);
+
+ wlan_cpu_enable(rtwdev, false);
+ wlan_cpu_enable(rtwdev, true);
+
+ for (try = 0; try < 10; try++) {
+ val32 = rtw_read32(rtwdev, REG_MCUFW_CTRL);
+ if ((val32 & FW_READY_LEGACY) == FW_READY_LEGACY)
+ return 0;
+ msleep(20);
+ }
+
+ rtw_err(rtwdev, "failed to validate firmware\n");
+ return -EINVAL;
+}
+
+static int __rtw_download_firmware_legacy(struct rtw_dev *rtwdev,
+ struct rtw_fw_state *fw)
+{
+ int ret = 0;
+
+ en_download_firmware_legacy(rtwdev, true);
+ ret = download_firmware_legacy(rtwdev, fw->firmware->data, fw->firmware->size);
+ en_download_firmware_legacy(rtwdev, false);
+ if (ret)
+ goto out;
+
+ ret = download_firmware_validate_legacy(rtwdev);
+ if (ret)
+ goto out;
+
+ /* reset desc and index */
+ rtw_hci_setup(rtwdev);
+
+ rtwdev->h2c.last_box_num = 0;
+ rtwdev->h2c.seq = 0;
+
+ set_bit(RTW_FLAG_FW_RUNNING, rtwdev->flags);
+
+out:
+ return ret;
+}
+
+int rtw_download_firmware(struct rtw_dev *rtwdev, struct rtw_fw_state *fw)
+{
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return __rtw_download_firmware_legacy(rtwdev, fw);
+
+ return __rtw_download_firmware(rtwdev, fw);
+}
+
static u32 get_priority_queues(struct rtw_dev *rtwdev, u32 queues)
{
const struct rtw_rqpn *rqpn = rtwdev->fifo.rqpn;
@@ -724,31 +920,24 @@ static u32 get_priority_queues(struct rtw_dev *rtwdev, u32 queues)
static void __rtw_mac_flush_prio_queue(struct rtw_dev *rtwdev,
u32 prio_queue, bool drop)
{
- u32 addr;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ const struct rtw_prioq_addr *addr;
+ bool wsize;
u16 avail_page, rsvd_page;
int i;
- switch (prio_queue) {
- case RTW_DMA_MAPPING_EXTRA:
- addr = REG_FIFOPAGE_INFO_4;
- break;
- case RTW_DMA_MAPPING_LOW:
- addr = REG_FIFOPAGE_INFO_2;
- break;
- case RTW_DMA_MAPPING_NORMAL:
- addr = REG_FIFOPAGE_INFO_3;
- break;
- case RTW_DMA_MAPPING_HIGH:
- addr = REG_FIFOPAGE_INFO_1;
- break;
- default:
+ if (prio_queue >= RTW_DMA_MAPPING_MAX)
return;
- }
+
+ addr = &chip->prioq_addrs->prio[prio_queue];
+ wsize = chip->prioq_addrs->wsize;
/* check if all of the reserved pages are available for 100 msecs */
for (i = 0; i < 5; i++) {
- rsvd_page = rtw_read16(rtwdev, addr);
- avail_page = rtw_read16(rtwdev, addr + 2);
+ rsvd_page = wsize ? rtw_read16(rtwdev, addr->rsvd) :
+ rtw_read8(rtwdev, addr->rsvd);
+ avail_page = wsize ? rtw_read16(rtwdev, addr->avail) :
+ rtw_read8(rtwdev, addr->avail);
if (rsvd_page == avail_page)
return;
@@ -826,7 +1015,8 @@ static int txdma_queue_mapping(struct rtw_dev *rtwdev)
rtw_write8(rtwdev, REG_CR, 0);
rtw_write8(rtwdev, REG_CR, MAC_TRX_ENABLE);
- rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ rtw_write32(rtwdev, REG_H2CQ_CSR, BIT_H2CQ_FULL);
return 0;
}
@@ -841,13 +1031,16 @@ static int set_trx_fifo_info(struct rtw_dev *rtwdev)
/* config rsvd page num */
fifo->rsvd_drv_pg_num = 8;
fifo->txff_pg_num = chip->txff_size >> 7;
- fifo->rsvd_pg_num = fifo->rsvd_drv_pg_num +
- RSVD_PG_H2C_EXTRAINFO_NUM +
- RSVD_PG_H2C_STATICINFO_NUM +
- RSVD_PG_H2CQ_NUM +
- RSVD_PG_CPU_INSTRUCTION_NUM +
- RSVD_PG_FW_TXBUF_NUM +
- csi_buf_pg_num;
+ if (rtw_chip_wcpu_11n(rtwdev))
+ fifo->rsvd_pg_num = fifo->rsvd_drv_pg_num;
+ else
+ fifo->rsvd_pg_num = fifo->rsvd_drv_pg_num +
+ RSVD_PG_H2C_EXTRAINFO_NUM +
+ RSVD_PG_H2C_STATICINFO_NUM +
+ RSVD_PG_H2CQ_NUM +
+ RSVD_PG_CPU_INSTRUCTION_NUM +
+ RSVD_PG_FW_TXBUF_NUM +
+ csi_buf_pg_num;
if (fifo->rsvd_pg_num > fifo->txff_pg_num)
return -ENOMEM;
@@ -856,18 +1049,20 @@ static int set_trx_fifo_info(struct rtw_dev *rtwdev)
fifo->rsvd_boundary = fifo->txff_pg_num - fifo->rsvd_pg_num;
cur_pg_addr = fifo->txff_pg_num;
- cur_pg_addr -= csi_buf_pg_num;
- fifo->rsvd_csibuf_addr = cur_pg_addr;
- cur_pg_addr -= RSVD_PG_FW_TXBUF_NUM;
- fifo->rsvd_fw_txbuf_addr = cur_pg_addr;
- cur_pg_addr -= RSVD_PG_CPU_INSTRUCTION_NUM;
- fifo->rsvd_cpu_instr_addr = cur_pg_addr;
- cur_pg_addr -= RSVD_PG_H2CQ_NUM;
- fifo->rsvd_h2cq_addr = cur_pg_addr;
- cur_pg_addr -= RSVD_PG_H2C_STATICINFO_NUM;
- fifo->rsvd_h2c_sta_info_addr = cur_pg_addr;
- cur_pg_addr -= RSVD_PG_H2C_EXTRAINFO_NUM;
- fifo->rsvd_h2c_info_addr = cur_pg_addr;
+ if (rtw_chip_wcpu_11ac(rtwdev)) {
+ cur_pg_addr -= csi_buf_pg_num;
+ fifo->rsvd_csibuf_addr = cur_pg_addr;
+ cur_pg_addr -= RSVD_PG_FW_TXBUF_NUM;
+ fifo->rsvd_fw_txbuf_addr = cur_pg_addr;
+ cur_pg_addr -= RSVD_PG_CPU_INSTRUCTION_NUM;
+ fifo->rsvd_cpu_instr_addr = cur_pg_addr;
+ cur_pg_addr -= RSVD_PG_H2CQ_NUM;
+ fifo->rsvd_h2cq_addr = cur_pg_addr;
+ cur_pg_addr -= RSVD_PG_H2C_STATICINFO_NUM;
+ fifo->rsvd_h2c_sta_info_addr = cur_pg_addr;
+ cur_pg_addr -= RSVD_PG_H2C_EXTRAINFO_NUM;
+ fifo->rsvd_h2c_info_addr = cur_pg_addr;
+ }
cur_pg_addr -= fifo->rsvd_drv_pg_num;
fifo->rsvd_drv_addr = cur_pg_addr;
@@ -879,6 +1074,65 @@ static int set_trx_fifo_info(struct rtw_dev *rtwdev)
return 0;
}
+static int __priority_queue_cfg(struct rtw_dev *rtwdev,
+ const struct rtw_page_table *pg_tbl,
+ u16 pubq_num)
+{
+ struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+ struct rtw_chip_info *chip = rtwdev->chip;
+
+ rtw_write16(rtwdev, REG_FIFOPAGE_INFO_1, pg_tbl->hq_num);
+ rtw_write16(rtwdev, REG_FIFOPAGE_INFO_2, pg_tbl->lq_num);
+ rtw_write16(rtwdev, REG_FIFOPAGE_INFO_3, pg_tbl->nq_num);
+ rtw_write16(rtwdev, REG_FIFOPAGE_INFO_4, pg_tbl->exq_num);
+ rtw_write16(rtwdev, REG_FIFOPAGE_INFO_5, pubq_num);
+ rtw_write32_set(rtwdev, REG_RQPN_CTRL_2, BIT_LD_RQPN);
+
+ rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, fifo->rsvd_boundary);
+ rtw_write8_set(rtwdev, REG_FWHW_TXQ_CTRL + 2, BIT_EN_WR_FREE_TAIL >> 16);
+
+ rtw_write16(rtwdev, REG_BCNQ_BDNY_V1, fifo->rsvd_boundary);
+ rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2 + 2, fifo->rsvd_boundary);
+ rtw_write16(rtwdev, REG_BCNQ1_BDNY_V1, fifo->rsvd_boundary);
+ rtw_write32(rtwdev, REG_RXFF_BNDY, chip->rxff_size - C2H_PKT_BUF - 1);
+ rtw_write8_set(rtwdev, REG_AUTO_LLT_V1, BIT_AUTO_INIT_LLT_V1);
+
+ if (!check_hw_ready(rtwdev, REG_AUTO_LLT_V1, BIT_AUTO_INIT_LLT_V1, 0))
+ return -EBUSY;
+
+ rtw_write8(rtwdev, REG_CR + 3, 0);
+
+ return 0;
+}
+
+static int __priority_queue_cfg_legacy(struct rtw_dev *rtwdev,
+ const struct rtw_page_table *pg_tbl,
+ u16 pubq_num)
+{
+ struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ u32 val32;
+
+ val32 = BIT_RQPN_NE(pg_tbl->nq_num, pg_tbl->exq_num);
+ rtw_write32(rtwdev, REG_RQPN_NPQ, val32);
+ val32 = BIT_RQPN_HLP(pg_tbl->hq_num, pg_tbl->lq_num, pubq_num);
+ rtw_write32(rtwdev, REG_RQPN, val32);
+
+ rtw_write8(rtwdev, REG_TRXFF_BNDY, fifo->rsvd_boundary);
+ rtw_write16(rtwdev, REG_TRXFF_BNDY + 2, chip->rxff_size - REPORT_BUF - 1);
+ rtw_write8(rtwdev, REG_DWBCN0_CTRL + 1, fifo->rsvd_boundary);
+ rtw_write8(rtwdev, REG_BCNQ_BDNY, fifo->rsvd_boundary);
+ rtw_write8(rtwdev, REG_MGQ_BDNY, fifo->rsvd_boundary);
+ rtw_write8(rtwdev, REG_WMAC_LBK_BF_HD, fifo->rsvd_boundary);
+
+ rtw_write32_set(rtwdev, REG_AUTO_LLT, BIT_AUTO_INIT_LLT);
+
+ if (!check_hw_ready(rtwdev, REG_AUTO_LLT, BIT_AUTO_INIT_LLT, 0))
+ return -EBUSY;
+
+ return 0;
+}
+
static int priority_queue_cfg(struct rtw_dev *rtwdev)
{
struct rtw_fifo_conf *fifo = &rtwdev->fifo;
@@ -911,28 +1165,10 @@ static int priority_queue_cfg(struct rtw_dev *rtwdev)
pubq_num = fifo->acq_pg_num - pg_tbl->hq_num - pg_tbl->lq_num -
pg_tbl->nq_num - pg_tbl->exq_num - pg_tbl->gapq_num;
- rtw_write16(rtwdev, REG_FIFOPAGE_INFO_1, pg_tbl->hq_num);
- rtw_write16(rtwdev, REG_FIFOPAGE_INFO_2, pg_tbl->lq_num);
- rtw_write16(rtwdev, REG_FIFOPAGE_INFO_3, pg_tbl->nq_num);
- rtw_write16(rtwdev, REG_FIFOPAGE_INFO_4, pg_tbl->exq_num);
- rtw_write16(rtwdev, REG_FIFOPAGE_INFO_5, pubq_num);
- rtw_write32_set(rtwdev, REG_RQPN_CTRL_2, BIT_LD_RQPN);
-
- rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, fifo->rsvd_boundary);
- rtw_write8_set(rtwdev, REG_FWHW_TXQ_CTRL + 2, BIT_EN_WR_FREE_TAIL >> 16);
-
- rtw_write16(rtwdev, REG_BCNQ_BDNY_V1, fifo->rsvd_boundary);
- rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2 + 2, fifo->rsvd_boundary);
- rtw_write16(rtwdev, REG_BCNQ1_BDNY_V1, fifo->rsvd_boundary);
- rtw_write32(rtwdev, REG_RXFF_BNDY, chip->rxff_size - C2H_PKT_BUF - 1);
- rtw_write8_set(rtwdev, REG_AUTO_LLT_V1, BIT_AUTO_INIT_LLT_V1);
-
- if (!check_hw_ready(rtwdev, REG_AUTO_LLT_V1, BIT_AUTO_INIT_LLT_V1, 0))
- return -EBUSY;
-
- rtw_write8(rtwdev, REG_CR + 3, 0);
-
- return 0;
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return __priority_queue_cfg_legacy(rtwdev, pg_tbl, pubq_num);
+ else
+ return __priority_queue_cfg(rtwdev, pg_tbl, pubq_num);
}
static int init_h2c(struct rtw_dev *rtwdev)
@@ -945,6 +1181,9 @@ static int init_h2c(struct rtw_dev *rtwdev)
u32 h2cq_free;
u32 wp, rp;
+ if (rtw_chip_wcpu_11n(rtwdev))
+ return 0;
+
h2cq_addr = fifo->rsvd_h2cq_addr << TX_PAGE_SIZE_SHIFT;
h2cq_size = RSVD_PG_H2CQ_NUM << TX_PAGE_SIZE_SHIFT;
@@ -1009,11 +1248,13 @@ static int rtw_drv_info_cfg(struct rtw_dev *rtwdev)
u8 value8;
rtw_write8(rtwdev, REG_RX_DRVINFO_SZ, PHY_STATUS_SIZE);
- value8 = rtw_read8(rtwdev, REG_TRXFF_BNDY + 1);
- value8 &= 0xF0;
- /* For rxdesc len = 0 issue */
- value8 |= 0xF;
- rtw_write8(rtwdev, REG_TRXFF_BNDY + 1, value8);
+ if (rtw_chip_wcpu_11ac(rtwdev)) {
+ value8 = rtw_read8(rtwdev, REG_TRXFF_BNDY + 1);
+ value8 &= 0xF0;
+ /* For rxdesc len = 0 issue */
+ value8 |= 0xF;
+ rtw_write8(rtwdev, REG_TRXFF_BNDY + 1, value8);
+ }
rtw_write32_set(rtwdev, REG_RCR, BIT_APP_PHYSTS);
rtw_write32_clr(rtwdev, REG_WMAC_OPTION_FUNCTION + 4, BIT(8) | BIT(9));
diff --git a/drivers/net/wireless/realtek/rtw88/mac.h b/drivers/net/wireless/realtek/rtw88/mac.h
index 592dc830160c..ce64cdf7a565 100644
--- a/drivers/net/wireless/realtek/rtw88/mac.h
+++ b/drivers/net/wireless/realtek/rtw88/mac.h
@@ -10,6 +10,7 @@
#define SDIO_LOCAL_OFFSET 0x10250000
#define DDMA_POLLING_COUNT 1000
#define C2H_PKT_BUF 256
+#define REPORT_BUF 128
#define PHY_STATUS_SIZE 4
#define ILLEGAL_KEY_GROUP 0xFAAAAA00
diff --git a/drivers/net/wireless/realtek/rtw88/mac80211.c b/drivers/net/wireless/realtek/rtw88/mac80211.c
index d7d02e4c0184..c412bc54efde 100644
--- a/drivers/net/wireless/realtek/rtw88/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw88/mac80211.c
@@ -341,13 +341,11 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
rtw_leave_lps_deep(rtwdev);
if (changed & BSS_CHANGED_ASSOC) {
- struct rtw_chip_info *chip = rtwdev->chip;
enum rtw_net_type net_type;
if (conf->assoc) {
rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_FINISH);
net_type = RTW_NET_MGD_LINKED;
- chip->ops->phy_calibration(rtwdev);
rtwvif->aid = conf->aid;
rtw_fw_download_rsvd_page(rtwdev);
@@ -375,11 +373,8 @@ static void rtw_ops_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_BEACON)
rtw_fw_download_rsvd_page(rtwdev);
- if (changed & BSS_CHANGED_MU_GROUPS) {
- struct rtw_chip_info *chip = rtwdev->chip;
-
- chip->ops->set_gid_table(rtwdev, vif, conf);
- }
+ if (changed & BSS_CHANGED_MU_GROUPS)
+ rtw_chip_set_gid_table(rtwdev, vif, conf);
if (changed & BSS_CHANGED_ERP_SLOT)
rtw_conf_tx(rtwdev, rtwvif);
@@ -666,6 +661,7 @@ static void rtw_ops_mgd_prepare_tx(struct ieee80211_hw *hw,
mutex_lock(&rtwdev->mutex);
rtw_leave_lps_deep(rtwdev);
rtw_coex_connect_notify(rtwdev, COEX_ASSOCIATE_START);
+ rtw_chip_prepare_tx(rtwdev);
mutex_unlock(&rtwdev->mutex);
}
@@ -754,6 +750,37 @@ static int rtw_ops_set_bitrate_mask(struct ieee80211_hw *hw,
return 0;
}
+static int rtw_ops_set_antenna(struct ieee80211_hw *hw,
+ u32 tx_antenna,
+ u32 rx_antenna)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ int ret;
+
+ if (!chip->ops->set_antenna)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&rtwdev->mutex);
+ ret = chip->ops->set_antenna(rtwdev, tx_antenna, rx_antenna);
+ mutex_unlock(&rtwdev->mutex);
+
+ return ret;
+}
+
+static int rtw_ops_get_antenna(struct ieee80211_hw *hw,
+ u32 *tx_antenna,
+ u32 *rx_antenna)
+{
+ struct rtw_dev *rtwdev = hw->priv;
+ struct rtw_hal *hal = &rtwdev->hal;
+
+ *tx_antenna = hal->antenna_tx;
+ *rx_antenna = hal->antenna_rx;
+
+ return 0;
+}
+
#ifdef CONFIG_PM
static int rtw_ops_suspend(struct ieee80211_hw *hw,
struct cfg80211_wowlan *wowlan)
@@ -815,6 +842,8 @@ const struct ieee80211_ops rtw_ops = {
.sta_statistics = rtw_ops_sta_statistics,
.flush = rtw_ops_flush,
.set_bitrate_mask = rtw_ops_set_bitrate_mask,
+ .set_antenna = rtw_ops_set_antenna,
+ .get_antenna = rtw_ops_get_antenna,
#ifdef CONFIG_PM
.suspend = rtw_ops_suspend,
.resume = rtw_ops_resume,
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c
index 7640e97706f5..0eefafc51c62 100644
--- a/drivers/net/wireless/realtek/rtw88/main.c
+++ b/drivers/net/wireless/realtek/rtw88/main.c
@@ -137,7 +137,6 @@ struct rtw_watch_dog_iter_data {
static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
{
struct rtw_bf_info *bf_info = &rtwdev->bf_info;
- struct rtw_chip_info *chip = rtwdev->chip;
u8 fix_rate_enable = 0;
u8 new_csi_rate_idx;
@@ -145,9 +144,9 @@ static void rtw_dynamic_csi_rate(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif)
rtwvif->bfee.role != RTW_BFEE_MU)
return;
- chip->ops->cfg_csi_rate(rtwdev, rtwdev->dm_info.min_rssi,
- bf_info->cur_csi_rpt_rate,
- fix_rate_enable, &new_csi_rate_idx);
+ rtw_chip_cfg_csi_rate(rtwdev, rtwdev->dm_info.min_rssi,
+ bf_info->cur_csi_rpt_rate,
+ fix_rate_enable, &new_csi_rate_idx);
if (new_csi_rate_idx != bf_info->cur_csi_rpt_rate)
bf_info->cur_csi_rpt_rate = new_csi_rate_idx;
@@ -409,6 +408,23 @@ void rtw_set_channel(struct rtw_dev *rtwdev)
}
rtw_phy_set_tx_power_level(rtwdev, center_chan);
+
+ /* if the channel isn't set for scanning, we will do RF calibration
+ * in ieee80211_ops::mgd_prepare_tx(). Performing the calibration
+ * during scanning on each channel takes too long.
+ */
+ if (!test_bit(RTW_FLAG_SCANNING, rtwdev->flags))
+ rtwdev->need_rfk = true;
+}
+
+void rtw_chip_prepare_tx(struct rtw_dev *rtwdev)
+{
+ struct rtw_chip_info *chip = rtwdev->chip;
+
+ if (rtwdev->need_rfk) {
+ rtwdev->need_rfk = false;
+ chip->ops->phy_calibration(rtwdev);
+ }
}
static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr)
@@ -473,6 +489,7 @@ static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
{
struct rtw_hal *hal = &rtwdev->hal;
+ struct rtw_chip_info *chip = rtwdev->chip;
if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
hw_ant_num >= hal->rf_path_num)
@@ -482,6 +499,8 @@ static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
case 1:
hal->rf_type = RF_1T1R;
hal->rf_path_num = 1;
+ if (!chip->fix_rf_phy_num)
+ hal->rf_phy_num = hal->rf_path_num;
hal->antenna_tx = BB_PATH_A;
hal->antenna_rx = BB_PATH_A;
break;
@@ -931,8 +950,11 @@ static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
ht_cap->cap = 0;
ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
IEEE80211_HT_CAP_MAX_AMSDU |
- IEEE80211_HT_CAP_LDPC_CODING |
(1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
+
+ if (rtw_chip_has_rx_ldpc(rtwdev))
+ ht_cap->cap |= IEEE80211_HT_CAP_LDPC_CODING;
+
if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_DSSSCCK40 |
@@ -966,7 +988,6 @@ static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
vht_cap->vht_supported = true;
vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
- IEEE80211_VHT_CAP_RXLDPC |
IEEE80211_VHT_CAP_SHORT_GI_80 |
IEEE80211_VHT_CAP_TXSTBC |
IEEE80211_VHT_CAP_RXSTBC_1 |
@@ -979,6 +1000,9 @@ static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
vht_cap->cap |= (rtwdev->hal.bfee_sts_cap <<
IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT);
+ if (rtw_chip_has_rx_ldpc(rtwdev))
+ vht_cap->cap |= IEEE80211_VHT_CAP_RXLDPC;
+
mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
@@ -1040,11 +1064,43 @@ static void rtw_unset_supported_band(struct ieee80211_hw *hw,
kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
}
+static void __update_firmware_info(struct rtw_dev *rtwdev,
+ struct rtw_fw_state *fw)
+{
+ const struct rtw_fw_hdr *fw_hdr =
+ (const struct rtw_fw_hdr *)fw->firmware->data;
+
+ fw->h2c_version = le16_to_cpu(fw_hdr->h2c_fmt_ver);
+ fw->version = le16_to_cpu(fw_hdr->version);
+ fw->sub_version = fw_hdr->subversion;
+ fw->sub_index = fw_hdr->subindex;
+}
+
+static void __update_firmware_info_legacy(struct rtw_dev *rtwdev,
+ struct rtw_fw_state *fw)
+{
+ struct rtw_fw_hdr_legacy *legacy =
+ (struct rtw_fw_hdr_legacy *)fw->firmware->data;
+
+ fw->h2c_version = 0;
+ fw->version = le16_to_cpu(legacy->version);
+ fw->sub_version = legacy->subversion1;
+ fw->sub_index = legacy->subversion2;
+}
+
+static void update_firmware_info(struct rtw_dev *rtwdev,
+ struct rtw_fw_state *fw)
+{
+ if (rtw_chip_wcpu_11n(rtwdev))
+ __update_firmware_info_legacy(rtwdev, fw);
+ else
+ __update_firmware_info(rtwdev, fw);
+}
+
static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
{
struct rtw_fw_state *fw = context;
struct rtw_dev *rtwdev = fw->rtwdev;
- const struct rtw_fw_hdr *fw_hdr;
if (!firmware || !firmware->data) {
rtw_err(rtwdev, "failed to request firmware\n");
@@ -1052,13 +1108,8 @@ static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
return;
}
- fw_hdr = (const struct rtw_fw_hdr *)firmware->data;
- fw->h2c_version = le16_to_cpu(fw_hdr->h2c_fmt_ver);
- fw->version = le16_to_cpu(fw_hdr->version);
- fw->sub_version = fw_hdr->subversion;
- fw->sub_index = fw_hdr->subindex;
-
fw->firmware = firmware;
+ update_firmware_info(rtwdev, fw);
complete_all(&fw->completion);
rtw_info(rtwdev, "Firmware version %u.%u.%u, H2C version %u\n",
@@ -1131,6 +1182,8 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
hal->antenna_tx = BB_PATH_A;
hal->antenna_rx = BB_PATH_A;
}
+ hal->rf_phy_num = chip->fix_rf_phy_num ? chip->fix_rf_phy_num :
+ hal->rf_path_num;
efuse->physical_size = chip->phy_efuse_size;
efuse->logical_size = chip->log_efuse_size;
@@ -1450,6 +1503,7 @@ EXPORT_SYMBOL(rtw_core_deinit);
int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
{
+ struct rtw_hal *hal = &rtwdev->hal;
int max_tx_headroom = 0;
int ret;
@@ -1478,6 +1532,8 @@ int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_MESH_POINT);
+ hw->wiphy->available_antennas_tx = hal->antenna_tx;
+ hw->wiphy->available_antennas_rx = hal->antenna_rx;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index c6b590fdb573..0841f5fa4bf2 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -11,6 +11,7 @@
#include <linux/average.h>
#include <linux/bitops.h>
#include <linux/bitfield.h>
+#include <linux/iopoll.h>
#include <linux/interrupt.h>
#include "util.h"
@@ -39,8 +40,6 @@ extern bool rtw_bf_support;
extern unsigned int rtw_fw_lps_deep_mode;
extern unsigned int rtw_debug_mask;
extern const struct ieee80211_ops rtw_ops;
-extern struct rtw_chip_info rtw8822b_hw_spec;
-extern struct rtw_chip_info rtw8822c_hw_spec;
#define RTW_MAX_CHANNEL_NUM_2G 14
#define RTW_MAX_CHANNEL_NUM_5G 49
@@ -183,6 +182,7 @@ enum rtw_wireless_set {
enum rtw_chip_type {
RTW_CHIP_TYPE_8822B,
RTW_CHIP_TYPE_8822C,
+ RTW_CHIP_TYPE_8723D,
};
enum rtw_tx_queue_type {
@@ -337,6 +337,7 @@ enum rtw_regulatory_domains {
RTW_REGD_CHILE = 6,
RTW_REGD_UKRAINE = 7,
RTW_REGD_MEXICO = 8,
+ RTW_REGD_CN = 9,
RTW_REGD_WW,
RTW_REGD_MAX
@@ -515,6 +516,12 @@ struct rtw_hw_reg {
u32 mask;
};
+struct rtw_ltecoex_addr {
+ u32 ctrl;
+ u32 wdata;
+ u32 rdata;
+};
+
struct rtw_reg_domain {
u32 addr;
u32 mask;
@@ -527,6 +534,13 @@ struct rtw_reg_domain {
u8 domain;
};
+struct rtw_rf_sipi_addr {
+ u32 hssi_1;
+ u32 hssi_2;
+ u32 lssi_read;
+ u32 lssi_read_pi;
+};
+
struct rtw_backup_info {
u8 len;
u32 reg;
@@ -784,6 +798,7 @@ struct rtw_regulatory {
struct rtw_chip_ops {
int (*mac_init)(struct rtw_dev *rtwdev);
+ void (*shutdown)(struct rtw_dev *rtwdev);
int (*read_efuse)(struct rtw_dev *rtwdev, u8 *map);
void (*phy_set_param)(struct rtw_dev *rtwdev);
void (*set_channel)(struct rtw_dev *rtwdev, u8 channel,
@@ -798,9 +813,11 @@ struct rtw_chip_ops {
void (*set_tx_power_index)(struct rtw_dev *rtwdev);
int (*rsvd_page_dump)(struct rtw_dev *rtwdev, u8 *buf, u32 offset,
u32 size);
- void (*set_antenna)(struct rtw_dev *rtwdev, u8 antenna_tx,
- u8 antenna_rx);
+ int (*set_antenna)(struct rtw_dev *rtwdev,
+ u32 antenna_tx,
+ u32 antenna_rx);
void (*cfg_ldo25)(struct rtw_dev *rtwdev, bool enable);
+ void (*efuse_grant)(struct rtw_dev *rtwdev, bool enable);
void (*false_alarm_statistics)(struct rtw_dev *rtwdev);
void (*phy_calibration)(struct rtw_dev *rtwdev);
void (*dpk_track)(struct rtw_dev *rtwdev);
@@ -844,6 +861,7 @@ struct rtw_chip_ops {
#define RTW_PWR_INTF_PCI_MSK BIT(2)
#define RTW_PWR_INTF_ALL_MSK (BIT(0) | BIT(1) | BIT(2) | BIT(3))
+#define RTW_PWR_CUT_TEST_MSK BIT(0)
#define RTW_PWR_CUT_A_MSK BIT(1)
#define RTW_PWR_CUT_B_MSK BIT(2)
#define RTW_PWR_CUT_C_MSK BIT(3)
@@ -930,6 +948,16 @@ struct rtw_rqpn {
enum rtw_dma_mapping dma_map_hi;
};
+struct rtw_prioq_addr {
+ u32 rsvd;
+ u32 avail;
+};
+
+struct rtw_prioq_addrs {
+ struct rtw_prioq_addr prio[RTW_DMA_MAPPING_MAX];
+ bool wsize;
+};
+
struct rtw_page_table {
u16 hq_num;
u16 nq_num;
@@ -1042,6 +1070,13 @@ struct rtw_pwr_track_tbl {
const u8 *pwrtrk_2g_cckb_p;
const u8 *pwrtrk_2g_ccka_n;
const u8 *pwrtrk_2g_ccka_p;
+ const s8 *pwrtrk_xtal_n;
+ const s8 *pwrtrk_xtal_p;
+};
+
+enum rtw_wlan_cpu {
+ RTW_WCPU_11AC,
+ RTW_WCPU_11N,
};
/* hardware configuration for each IC */
@@ -1050,6 +1085,7 @@ struct rtw_chip_info {
u8 id;
const char *fw_name;
+ enum rtw_wlan_cpu wlan_cpu;
u8 tx_pkt_desc_sz;
u8 tx_buf_desc_sz;
u8 rx_pkt_desc_sz;
@@ -1066,6 +1102,7 @@ struct rtw_chip_info {
u8 dig_min;
u8 txgi_factor;
bool is_pwr_by_rate_dec;
+ bool rx_ldpc;
u8 max_power_index;
bool ht_supported;
@@ -1077,12 +1114,17 @@ struct rtw_chip_info {
const struct rtw_pwr_seq_cmd **pwr_on_seq;
const struct rtw_pwr_seq_cmd **pwr_off_seq;
const struct rtw_rqpn *rqpn_table;
+ const struct rtw_prioq_addrs *prioq_addrs;
const struct rtw_page_table *page_table;
const struct rtw_intf_phy_para_table *intf_table;
const struct rtw_hw_reg *dig;
+ const struct rtw_hw_reg *dig_cck;
u32 rf_base_addr[2];
u32 rf_sipi_addr[2];
+ const struct rtw_rf_sipi_addr *rf_sipi_read_addr;
+ u8 fix_rf_phy_num;
+ const struct rtw_ltecoex_addr *ltecoex_addr;
const struct rtw_table *mac_tbl;
const struct rtw_table *agc_tbl;
@@ -1132,6 +1174,7 @@ struct rtw_chip_info {
const struct coex_rf_para *wl_rf_para_tx;
const struct coex_rf_para *wl_rf_para_rx;
const struct coex_5g_afh_map *afh_5g;
+ const struct rtw_hw_reg *btg_reg;
const struct rtw_reg_domain *coex_info_hw_regs;
};
@@ -1376,6 +1419,16 @@ struct rtw_pkt_count {
DECLARE_EWMA(evm, 10, 4);
DECLARE_EWMA(snr, 10, 4);
+struct rtw_iqk_info {
+ bool done;
+ struct {
+ u32 s1_x;
+ u32 s1_y;
+ u32 s0_x;
+ u32 s0_y;
+ } result;
+};
+
struct rtw_dm_info {
u32 cck_fa_cnt;
u32 ofdm_fa_cnt;
@@ -1413,6 +1466,8 @@ struct rtw_dm_info {
bool pwr_trk_triggered;
bool pwr_trk_init_trigger;
struct ewma_thermal avg_thermal[RTW_RF_PATH_MAX];
+ s8 txagc_remnant_cck;
+ s8 txagc_remnant_ofdm;
/* backup dack results for each path and I/Q */
u32 dack_adck[RTW_RF_PATH_MAX];
@@ -1435,6 +1490,8 @@ struct rtw_dm_info {
struct rtw_pkt_count last_pkt_count;
struct ewma_evm ewma_evm[RTW_EVM_NUM];
struct ewma_snr ewma_snr[RTW_SNR_NUM];
+
+ struct rtw_iqk_info iqk;
};
struct rtw_efuse {
@@ -1455,6 +1512,7 @@ struct rtw_efuse {
u8 ant_div_cfg;
u8 ant_div_type;
u8 regd;
+ u8 afe;
u8 lna_type_2g;
u8 lna_type_5g;
@@ -1567,8 +1625,9 @@ struct rtw_hal {
u8 sec_ch_offset;
u8 rf_type;
u8 rf_path_num;
- u8 antenna_tx;
- u8 antenna_rx;
+ u8 rf_phy_num;
+ u32 antenna_tx;
+ u32 antenna_rx;
u8 bfee_sts_cap;
/* protect tx power section */
@@ -1661,6 +1720,8 @@ struct rtw_dev {
struct rtw_fw_state wow_fw;
struct rtw_wow_param wow;
+ bool need_rfk;
+
/* hci related data, must be last */
u8 priv[] __aligned(sizeof(void *));
};
@@ -1698,6 +1759,33 @@ static inline bool rtw_ssid_equal(struct cfg80211_ssid *a,
return true;
}
+static inline void rtw_chip_efuse_grant_on(struct rtw_dev *rtwdev)
+{
+ if (rtwdev->chip->ops->efuse_grant)
+ rtwdev->chip->ops->efuse_grant(rtwdev, true);
+}
+
+static inline void rtw_chip_efuse_grant_off(struct rtw_dev *rtwdev)
+{
+ if (rtwdev->chip->ops->efuse_grant)
+ rtwdev->chip->ops->efuse_grant(rtwdev, false);
+}
+
+static inline bool rtw_chip_wcpu_11n(struct rtw_dev *rtwdev)
+{
+ return rtwdev->chip->wlan_cpu == RTW_WCPU_11N;
+}
+
+static inline bool rtw_chip_wcpu_11ac(struct rtw_dev *rtwdev)
+{
+ return rtwdev->chip->wlan_cpu == RTW_WCPU_11AC;
+}
+
+static inline bool rtw_chip_has_rx_ldpc(struct rtw_dev *rtwdev)
+{
+ return rtwdev->chip->rx_ldpc;
+}
+
void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
struct rtw_channel_params *ch_param);
bool check_hw_ready(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target);
@@ -1707,6 +1795,7 @@ void rtw_restore_reg(struct rtw_dev *rtwdev,
struct rtw_backup_info *bckp, u32 num);
void rtw_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss);
void rtw_set_channel(struct rtw_dev *rtwdev);
+void rtw_chip_prepare_tx(struct rtw_dev *rtwdev);
void rtw_vif_port_config(struct rtw_dev *rtwdev, struct rtw_vif *rtwvif,
u32 config);
void rtw_tx_report_purge_timer(struct timer_list *t);
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 1af87eb2e53a..8228db9a5fc8 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -411,12 +411,14 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev)
dma = rtwpci->tx_rings[RTW_TX_QUEUE_BCN].r.dma;
rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_BCNQ, dma);
- len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len;
- dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma;
- rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0;
- rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0;
- rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK);
- rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma);
+ if (!rtw_chip_wcpu_11n(rtwdev)) {
+ len = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.len;
+ dma = rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.dma;
+ rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.rp = 0;
+ rtwpci->tx_rings[RTW_TX_QUEUE_H2C].r.wp = 0;
+ rtw_write16(rtwdev, RTK_PCI_TXBD_NUM_H2CQ, len & TRX_BD_IDX_MASK);
+ rtw_write32(rtwdev, RTK_PCI_TXBD_DESA_H2CQ, dma);
+ }
len = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.len;
dma = rtwpci->tx_rings[RTW_TX_QUEUE_BK].r.dma;
@@ -471,8 +473,9 @@ static void rtw_pci_reset_buf_desc(struct rtw_dev *rtwdev)
rtw_write32(rtwdev, RTK_PCI_TXBD_RWPTR_CLR, 0xffffffff);
/* reset H2C Queue index in a single write */
- rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR,
- BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ rtw_write32_set(rtwdev, RTK_PCI_TXBD_H2CQ_CSR,
+ BIT_CLR_H2CQ_HOST_IDX | BIT_CLR_H2CQ_HW_IDX);
}
static void rtw_pci_reset_trx_ring(struct rtw_dev *rtwdev)
@@ -489,7 +492,9 @@ static void rtw_pci_enable_interrupt(struct rtw_dev *rtwdev,
rtw_write32(rtwdev, RTK_PCI_HIMR0, rtwpci->irq_mask[0]);
rtw_write32(rtwdev, RTK_PCI_HIMR1, rtwpci->irq_mask[1]);
- rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ rtw_write32(rtwdev, RTK_PCI_HIMR3, rtwpci->irq_mask[3]);
+
rtwpci->irq_enabled = true;
spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags);
@@ -507,7 +512,9 @@ static void rtw_pci_disable_interrupt(struct rtw_dev *rtwdev,
rtw_write32(rtwdev, RTK_PCI_HIMR0, 0);
rtw_write32(rtwdev, RTK_PCI_HIMR1, 0);
- rtw_write32(rtwdev, RTK_PCI_HIMR3, 0);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ rtw_write32(rtwdev, RTK_PCI_HIMR3, 0);
+
rtwpci->irq_enabled = false;
out:
@@ -1012,13 +1019,17 @@ static void rtw_pci_irq_recognized(struct rtw_dev *rtwdev,
irq_status[0] = rtw_read32(rtwdev, RTK_PCI_HISR0);
irq_status[1] = rtw_read32(rtwdev, RTK_PCI_HISR1);
- irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ irq_status[3] = rtw_read32(rtwdev, RTK_PCI_HISR3);
+ else
+ irq_status[3] = 0;
irq_status[0] &= rtwpci->irq_mask[0];
irq_status[1] &= rtwpci->irq_mask[1];
irq_status[3] &= rtwpci->irq_mask[3];
rtw_write32(rtwdev, RTK_PCI_HISR0, irq_status[0]);
rtw_write32(rtwdev, RTK_PCI_HISR1, irq_status[1]);
- rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]);
+ if (rtw_chip_wcpu_11ac(rtwdev))
+ rtw_write32(rtwdev, RTK_PCI_HISR3, irq_status[3]);
spin_unlock_irqrestore(&rtwpci->hwirq_lock, flags);
}
@@ -1091,6 +1102,7 @@ static int rtw_pci_io_mapping(struct rtw_dev *rtwdev,
len = pci_resource_len(pdev, bar_id);
rtwpci->mmap = pci_iomap(pdev, bar_id, len);
if (!rtwpci->mmap) {
+ pci_release_regions(pdev);
rtw_err(rtwdev, "failed to map pci memory\n");
return -ENOMEM;
}
@@ -1348,7 +1360,8 @@ static int __maybe_unused rtw_pci_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(rtw_pm_ops, rtw_pci_suspend, rtw_pci_resume);
+SIMPLE_DEV_PM_OPS(rtw_pm_ops, rtw_pci_suspend, rtw_pci_resume);
+EXPORT_SYMBOL(rtw_pm_ops);
static int rtw_pci_claim(struct rtw_dev *rtwdev, struct pci_dev *pdev)
{
@@ -1461,8 +1474,8 @@ static void rtw_pci_free_irq(struct rtw_dev *rtwdev, struct pci_dev *pdev)
pci_free_irq_vectors(pdev);
}
-static int rtw_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
+int rtw_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
{
struct ieee80211_hw *hw;
struct rtw_dev *rtwdev;
@@ -1539,8 +1552,9 @@ err_release_hw:
return ret;
}
+EXPORT_SYMBOL(rtw_pci_probe);
-static void rtw_pci_remove(struct pci_dev *pdev)
+void rtw_pci_remove(struct pci_dev *pdev)
{
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct rtw_dev *rtwdev;
@@ -1560,26 +1574,24 @@ static void rtw_pci_remove(struct pci_dev *pdev)
rtw_core_deinit(rtwdev);
ieee80211_free_hw(hw);
}
+EXPORT_SYMBOL(rtw_pci_remove);
-static const struct pci_device_id rtw_pci_id_table[] = {
-#ifdef CONFIG_RTW88_8822BE
- { RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB822, rtw8822b_hw_spec) },
-#endif
-#ifdef CONFIG_RTW88_8822CE
- { RTK_PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC822, rtw8822c_hw_spec) },
-#endif
- {},
-};
-MODULE_DEVICE_TABLE(pci, rtw_pci_id_table);
-
-static struct pci_driver rtw_pci_driver = {
- .name = "rtw_pci",
- .id_table = rtw_pci_id_table,
- .probe = rtw_pci_probe,
- .remove = rtw_pci_remove,
- .driver.pm = &rtw_pm_ops,
-};
-module_pci_driver(rtw_pci_driver);
+void rtw_pci_shutdown(struct pci_dev *pdev)
+{
+ struct ieee80211_hw *hw = pci_get_drvdata(pdev);
+ struct rtw_dev *rtwdev;
+ struct rtw_chip_info *chip;
+
+ if (!hw)
+ return;
+
+ rtwdev = hw->priv;
+ chip = rtwdev->chip;
+
+ if (chip->ops->shutdown)
+ chip->ops->shutdown(rtwdev);
+}
+EXPORT_SYMBOL(rtw_pci_shutdown);
MODULE_AUTHOR("Realtek Corporation");
MODULE_DESCRIPTION("Realtek 802.11ac wireless PCI driver");
diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
index 3ac4fb328d31..024c2bc275cb 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.h
+++ b/drivers/net/wireless/realtek/rtw88/pci.h
@@ -5,10 +5,6 @@
#ifndef __RTK_PCI_H_
#define __RTK_PCI_H_
-#define RTK_PCI_DEVICE(vend, dev, hw_config) \
- PCI_DEVICE(vend, dev), \
- .driver_data = (kernel_ulong_t)&(hw_config),
-
#define RTK_DEFAULT_TX_DESC_NUM 128
#define RTK_BEQ_TX_DESC_NUM 256
diff --git a/drivers/net/wireless/realtek/rtw88/phy.c b/drivers/net/wireless/realtek/rtw88/phy.c
index 8793dd22188f..8d93f3159746 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.c
+++ b/drivers/net/wireless/realtek/rtw88/phy.c
@@ -82,6 +82,8 @@ u8 *rtw_rate_section[RTW_RATE_SECTION_MAX] = {
rtw_ht_1s_rates, rtw_ht_2s_rates,
rtw_vht_1s_rates, rtw_vht_2s_rates
};
+EXPORT_SYMBOL(rtw_rate_section);
+
u8 rtw_rate_size[RTW_RATE_SECTION_MAX] = {
ARRAY_SIZE(rtw_cck_rates),
ARRAY_SIZE(rtw_ofdm_rates),
@@ -90,6 +92,8 @@ u8 rtw_rate_size[RTW_RATE_SECTION_MAX] = {
ARRAY_SIZE(rtw_vht_1s_rates),
ARRAY_SIZE(rtw_vht_2s_rates)
};
+EXPORT_SYMBOL(rtw_rate_size);
+
static const u8 rtw_cck_size = ARRAY_SIZE(rtw_cck_rates);
static const u8 rtw_ofdm_size = ARRAY_SIZE(rtw_ofdm_rates);
static const u8 rtw_ht_1s_size = ARRAY_SIZE(rtw_ht_1s_rates);
@@ -134,15 +138,22 @@ void rtw_phy_init(struct rtw_dev *rtwdev)
mask = chip->dig[0].mask;
dm_info->igi_history[0] = rtw_read32_mask(rtwdev, addr, mask);
rtw_phy_cck_pd_init(rtwdev);
+
+ dm_info->iqk.done = false;
}
+EXPORT_SYMBOL(rtw_phy_init);
void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi)
{
struct rtw_chip_info *chip = rtwdev->chip;
struct rtw_hal *hal = &rtwdev->hal;
+ const struct rtw_hw_reg *dig_cck = &chip->dig_cck[0];
u32 addr, mask;
u8 path;
+ if (dig_cck)
+ rtw_write32_mask(rtwdev, dig_cck->addr, dig_cck->mask, igi >> 1);
+
for (path = 0; path < hal->rf_path_num; path++) {
addr = chip->dig[path].addr;
mask = chip->dig[path].mask;
@@ -670,6 +681,7 @@ u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num)
return rtw_phy_linear_2_db(sum);
}
+EXPORT_SYMBOL(rtw_phy_rf_power_2_rssi);
u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask)
@@ -679,7 +691,7 @@ u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
const u32 *base_addr = chip->rf_base_addr;
u32 val, direct_addr;
- if (rf_path >= hal->rf_path_num) {
+ if (rf_path >= hal->rf_phy_num) {
rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
return INV_RF_DATA;
}
@@ -692,6 +704,56 @@ u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
return val;
}
+EXPORT_SYMBOL(rtw_phy_read_rf);
+
+u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
+ u32 addr, u32 mask)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ const struct rtw_rf_sipi_addr *rf_sipi_addr;
+ const struct rtw_rf_sipi_addr *rf_sipi_addr_a;
+ u32 val32;
+ u32 en_pi;
+ u32 r_addr;
+ u32 shift;
+
+ if (rf_path >= hal->rf_phy_num) {
+ rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
+ return INV_RF_DATA;
+ }
+
+ if (!chip->rf_sipi_read_addr) {
+ rtw_err(rtwdev, "rf_sipi_read_addr isn't defined\n");
+ return INV_RF_DATA;
+ }
+
+ rf_sipi_addr = &chip->rf_sipi_read_addr[rf_path];
+ rf_sipi_addr_a = &chip->rf_sipi_read_addr[RF_PATH_A];
+
+ addr &= 0xff;
+
+ val32 = rtw_read32(rtwdev, rf_sipi_addr->hssi_2);
+ val32 = (val32 & ~LSSI_READ_ADDR_MASK) | (addr << 23);
+ rtw_write32(rtwdev, rf_sipi_addr->hssi_2, val32);
+
+ /* toggle read edge of path A */
+ val32 = rtw_read32(rtwdev, rf_sipi_addr_a->hssi_2);
+ rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 & ~LSSI_READ_EDGE_MASK);
+ rtw_write32(rtwdev, rf_sipi_addr_a->hssi_2, val32 | LSSI_READ_EDGE_MASK);
+
+ udelay(120);
+
+ en_pi = rtw_read32_mask(rtwdev, rf_sipi_addr->hssi_1, BIT(8));
+ r_addr = en_pi ? rf_sipi_addr->lssi_read_pi : rf_sipi_addr->lssi_read;
+
+ val32 = rtw_read32_mask(rtwdev, r_addr, LSSI_READ_DATA_MASK);
+
+ shift = __ffs(mask);
+
+ return (val32 & mask) >> shift;
+}
+EXPORT_SYMBOL(rtw_phy_read_rf_sipi);
bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask, u32 data)
@@ -703,7 +765,7 @@ bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 old_data = 0;
u32 shift;
- if (rf_path >= hal->rf_path_num) {
+ if (rf_path >= hal->rf_phy_num) {
rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
return false;
}
@@ -712,7 +774,7 @@ bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
mask &= RFREG_MASK;
if (mask != RFREG_MASK) {
- old_data = rtw_phy_read_rf(rtwdev, rf_path, addr, RFREG_MASK);
+ old_data = chip->ops->read_rf(rtwdev, rf_path, addr, RFREG_MASK);
if (old_data == INV_RF_DATA) {
rtw_err(rtwdev, "Write fail, rf is disabled\n");
@@ -731,6 +793,7 @@ bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
return true;
}
+EXPORT_SYMBOL(rtw_phy_write_rf_reg_sipi);
bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask, u32 data)
@@ -740,7 +803,7 @@ bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
const u32 *base_addr = chip->rf_base_addr;
u32 direct_addr;
- if (rf_path >= hal->rf_path_num) {
+ if (rf_path >= hal->rf_phy_num) {
rtw_err(rtwdev, "unsupported rf path (%d)\n", rf_path);
return false;
}
@@ -764,6 +827,7 @@ bool rtw_phy_write_rf_reg_mix(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
return rtw_phy_write_rf_reg_sipi(rtwdev, rf_path, addr, mask, data);
}
+EXPORT_SYMBOL(rtw_phy_write_rf_reg_mix);
void rtw_phy_setup_phy_cond(struct rtw_dev *rtwdev, u32 pkg)
{
@@ -856,6 +920,7 @@ void rtw_parse_tbl_phy_cond(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
}
}
}
+EXPORT_SYMBOL(rtw_parse_tbl_phy_cond);
#define bcd_to_dec_pwr_by_rate(val, i) bcd2bin(val >> (i * 8))
@@ -1219,6 +1284,7 @@ void rtw_parse_tbl_bb_pg(struct rtw_dev *rtwdev, const struct rtw_table *tbl)
p->data);
}
}
+EXPORT_SYMBOL(rtw_parse_tbl_bb_pg);
static const u8 rtw_channel_idx_5g[RTW_MAX_CHANNEL_NUM_5G] = {
36, 38, 40, 42, 44, 46, 48, /* Band 1 */
@@ -1363,18 +1429,21 @@ void rtw_parse_tbl_txpwr_lmt(struct rtw_dev *rtwdev,
rtw_xref_txpwr_lmt(rtwdev);
}
+EXPORT_SYMBOL(rtw_parse_tbl_txpwr_lmt);
void rtw_phy_cfg_mac(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
u32 addr, u32 data)
{
rtw_write8(rtwdev, addr, data);
}
+EXPORT_SYMBOL(rtw_phy_cfg_mac);
void rtw_phy_cfg_agc(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
u32 addr, u32 data)
{
rtw_write32(rtwdev, addr, data);
}
+EXPORT_SYMBOL(rtw_phy_cfg_agc);
void rtw_phy_cfg_bb(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
u32 addr, u32 data)
@@ -1394,6 +1463,7 @@ void rtw_phy_cfg_bb(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
else
rtw_write32(rtwdev, addr, data);
}
+EXPORT_SYMBOL(rtw_phy_cfg_bb);
void rtw_phy_cfg_rf(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
u32 addr, u32 data)
@@ -1407,6 +1477,7 @@ void rtw_phy_cfg_rf(struct rtw_dev *rtwdev, const struct rtw_table *tbl,
udelay(1);
}
}
+EXPORT_SYMBOL(rtw_phy_cfg_rf);
static void rtw_load_rfk_table(struct rtw_dev *rtwdev)
{
@@ -1444,6 +1515,7 @@ void rtw_phy_load_tables(struct rtw_dev *rtwdev)
rtw_load_table(rtwdev, tbl);
}
}
+EXPORT_SYMBOL(rtw_phy_load_tables);
static u8 rtw_get_channel_group(u8 channel)
{
@@ -1731,11 +1803,13 @@ void rtw_get_tx_power_params(struct rtw_dev *rtwdev, u8 path, u8 rate, u8 bw,
u8 ch, u8 regd, struct rtw_power_params *pwr_param)
{
struct rtw_hal *hal = &rtwdev->hal;
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
struct rtw_txpwr_idx *pwr_idx;
u8 group, band;
u8 *base = &pwr_param->pwr_base;
s8 *offset = &pwr_param->pwr_offset;
s8 *limit = &pwr_param->pwr_limit;
+ s8 *remnant = &pwr_param->pwr_remnant;
pwr_idx = &rtwdev->efuse.txpwr_idx_table[path];
group = rtw_get_channel_group(ch);
@@ -1757,6 +1831,8 @@ void rtw_get_tx_power_params(struct rtw_dev *rtwdev, u8 path, u8 rate, u8 bw,
*limit = rtw_phy_get_tx_power_limit(rtwdev, band, bw, path,
rate, ch, regd);
+ *remnant = (rate <= DESC_RATE11M ? dm_info->txagc_remnant_cck :
+ dm_info->txagc_remnant_ofdm);
}
u8
@@ -1776,13 +1852,14 @@ rtw_phy_get_tx_power_index(struct rtw_dev *rtwdev, u8 rf_path, u8 rate,
if (rtwdev->chip->en_dis_dpd)
offset += rtw_phy_get_dis_dpd_by_rate_diff(rtwdev, rate);
- tx_power += offset;
+ tx_power += offset + pwr_param.pwr_remnant;
if (tx_power > rtwdev->chip->max_power_index)
tx_power = rtwdev->chip->max_power_index;
return tx_power;
}
+EXPORT_SYMBOL(rtw_phy_get_tx_power_index);
static void rtw_phy_set_tx_power_index_by_rs(struct rtw_dev *rtwdev,
u8 ch, u8 path, u8 rs)
@@ -1845,6 +1922,7 @@ void rtw_phy_set_tx_power_level(struct rtw_dev *rtwdev, u8 channel)
chip->ops->set_tx_power_index(rtwdev);
mutex_unlock(&hal->tx_power_mutex);
}
+EXPORT_SYMBOL(rtw_phy_set_tx_power_level);
static void
rtw_phy_tx_power_by_rate_config_by_path(struct rtw_hal *hal, u8 path,
@@ -2002,6 +2080,7 @@ void rtw_phy_config_swing_table(struct rtw_dev *rtwdev,
swing_table->n[RF_PATH_B] = tbl->pwrtrk_2gb_n;
}
}
+EXPORT_SYMBOL(rtw_phy_config_swing_table);
void rtw_phy_pwrtrack_avg(struct rtw_dev *rtwdev, u8 thermal, u8 path)
{
@@ -2011,6 +2090,7 @@ void rtw_phy_pwrtrack_avg(struct rtw_dev *rtwdev, u8 thermal, u8 path)
dm_info->thermal_avg[path] =
ewma_thermal_read(&dm_info->avg_thermal[path]);
}
+EXPORT_SYMBOL(rtw_phy_pwrtrack_avg);
bool rtw_phy_pwrtrack_thermal_changed(struct rtw_dev *rtwdev, u8 thermal,
u8 path)
@@ -2023,6 +2103,7 @@ bool rtw_phy_pwrtrack_thermal_changed(struct rtw_dev *rtwdev, u8 thermal,
return true;
}
+EXPORT_SYMBOL(rtw_phy_pwrtrack_thermal_changed);
u8 rtw_phy_pwrtrack_get_delta(struct rtw_dev *rtwdev, u8 path)
{
@@ -2035,6 +2116,7 @@ u8 rtw_phy_pwrtrack_get_delta(struct rtw_dev *rtwdev, u8 path)
return min_t(u8, therm_delta, RTW_PWR_TRK_TBL_SZ - 1);
}
+EXPORT_SYMBOL(rtw_phy_pwrtrack_get_delta);
s8 rtw_phy_pwrtrack_get_pwridx(struct rtw_dev *rtwdev,
struct rtw_swing_table *swing_table,
@@ -2068,6 +2150,7 @@ s8 rtw_phy_pwrtrack_get_pwridx(struct rtw_dev *rtwdev,
else
return -delta_swing_table_idx_neg[delta];
}
+EXPORT_SYMBOL(rtw_phy_pwrtrack_get_pwridx);
bool rtw_phy_pwrtrack_need_iqk(struct rtw_dev *rtwdev)
{
@@ -2081,3 +2164,4 @@ bool rtw_phy_pwrtrack_need_iqk(struct rtw_dev *rtwdev)
}
return false;
}
+EXPORT_SYMBOL(rtw_phy_pwrtrack_need_iqk);
diff --git a/drivers/net/wireless/realtek/rtw88/phy.h b/drivers/net/wireless/realtek/rtw88/phy.h
index af916d8784cd..b924ed07630a 100644
--- a/drivers/net/wireless/realtek/rtw88/phy.h
+++ b/drivers/net/wireless/realtek/rtw88/phy.h
@@ -21,6 +21,8 @@ void rtw_phy_dynamic_mechanism(struct rtw_dev *rtwdev);
u8 rtw_phy_rf_power_2_rssi(s8 *rf_power, u8 path_num);
u32 rtw_phy_read_rf(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask);
+u32 rtw_phy_read_rf_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
+ u32 addr, u32 mask);
bool rtw_phy_write_rf_reg_sipi(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
u32 addr, u32 mask, u32 data);
bool rtw_phy_write_rf_reg(struct rtw_dev *rtwdev, enum rtw_rf_path rf_path,
@@ -139,6 +141,7 @@ struct rtw_power_params {
u8 pwr_base;
s8 pwr_offset;
s8 pwr_limit;
+ s8 pwr_remnant;
};
void
@@ -178,4 +181,8 @@ enum rtw_phy_cck_pd_lv {
#define CCK_FA_AVG_RESET 0xffffffff
+#define LSSI_READ_ADDR_MASK 0x7f800000
+#define LSSI_READ_EDGE_MASK 0x80000000
+#define LSSI_READ_DATA_MASK 0xfffff
+
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h
index 9d94534c9674..5a3e9cc7c400 100644
--- a/drivers/net/wireless/realtek/rtw88/reg.h
+++ b/drivers/net/wireless/realtek/rtw88/reg.h
@@ -6,15 +6,23 @@
#define __RTW_REG_DEF_H__
#define REG_SYS_FUNC_EN 0x0002
+#define BIT_FEN_EN_25_1 BIT(13)
+#define BIT_FEN_ELDR BIT(12)
#define BIT_FEN_CPUEN BIT(2)
#define BIT_FEN_BB_GLB_RST BIT(1)
#define BIT_FEN_BB_RSTB BIT(0)
#define BIT_R_DIS_PRST BIT(6)
#define BIT_WLOCK_1C_B6 BIT(5)
#define REG_SYS_PW_CTRL 0x0004
+#define BIT_PFM_WOWL BIT(3)
#define REG_SYS_CLK_CTRL 0x0008
#define BIT_CPU_CLK_EN BIT(14)
+#define REG_SYS_CLKR 0x0008
+#define BIT_ANA8M BIT(1)
+#define BIT_WAKEPAD_EN BIT(3)
+#define BIT_LOADER_CLK_EN BIT(5)
+
#define REG_RSV_CTRL 0x001C
#define DISABLE_PI 0x3
#define ENABLE_PI 0x2
@@ -33,12 +41,23 @@
#define BIT_MASK_EF_ADDR 0x3ff
#define BIT_MASK_EF_DATA 0xff
#define BITS_EF_ADDR (BIT_MASK_EF_ADDR << BIT_SHIFT_EF_ADDR)
+#define BITS_PLL 0xf0
+
+#define REG_AFE_CTRL3 0x2c
+#define BIT_MASK_XTAL 0x00FFF000
+#define BIT_XTAL_GMP_BIT4 BIT(28)
#define REG_LDO_EFUSE_CTRL 0x0034
#define BIT_MASK_EFUSE_BANK_SEL (BIT(8) | BIT(9))
+#define BIT_LDO25_VOLTAGE_V25 0x03
+#define BIT_MASK_LDO25_VOLTAGE GENMASK(6, 4)
+#define BIT_SHIFT_LDO25_VOLTAGE 4
+#define BIT_LDO25_EN BIT(7)
+
#define REG_GPIO_MUXCFG 0x0040
#define BIT_FSPI_EN BIT(19)
+#define BIT_EN_SIC BIT(12)
#define BIT_BT_AOD_GPIO3 BIT(9)
#define BIT_BT_PTA_EN BIT(5)
#define BIT_WLRFE_4_5_EN BIT(2)
@@ -48,7 +67,9 @@
#define BIT_PAPE_SEL_EN BIT(25)
#define BIT_DPDT_WL_SEL BIT(24)
#define BIT_DPDT_SEL_EN BIT(23)
+#define REG_LEDCFG2 0x004E
#define REG_PAD_CTRL1 0x0064
+#define BIT_BT_BTG_SEL BIT(31)
#define BIT_PAPE_WLBT_SEL BIT(29)
#define BIT_LNAON_WLBT_SEL BIT(28)
#define BIT_BTGP_JTAG_EN BIT(24)
@@ -62,31 +83,56 @@
#define BIT_DBG_GNT_WL_BT BIT(27)
#define BIT_LTE_MUX_CTRL_PATH BIT(26)
#define REG_HCI_OPT_CTRL 0x0074
+#define BIT_USB_SUS_DIS BIT(8)
+
+#define REG_AFE_CTRL_4 0x0078
+#define BIT_CK320M_AFE_EN BIT(4)
+#define BIT_EN_SYN BIT(15)
+
+#define REG_LDO_SWR_CTRL 0x007C
+#define LDO_SEL 0xC3
+#define SPS_SEL 0x83
+#define BIT_XTA1 BIT(29)
+#define BIT_XTA0 BIT(28)
#define REG_MCUFW_CTRL 0x0080
#define BIT_ANA_PORT_EN BIT(22)
#define BIT_MAC_PORT_EN BIT(21)
#define BIT_BOOT_FSPI_EN BIT(20)
+#define BIT_ROM_DLEN BIT(19)
+#define BIT_ROM_PGE GENMASK(18, 16) /* legacy only */
+#define BIT_SHIFT_ROM_PGE 16
#define BIT_FW_INIT_RDY BIT(15)
#define BIT_FW_DW_RDY BIT(14)
#define BIT_RPWM_TOGGLE BIT(7)
+#define BIT_RAM_DL_SEL BIT(7) /* legacy only */
#define BIT_DMEM_CHKSUM_OK BIT(6)
+#define BIT_WINTINI_RDY BIT(6) /* legacy only */
#define BIT_DMEM_DW_OK BIT(5)
#define BIT_IMEM_CHKSUM_OK BIT(4)
#define BIT_IMEM_DW_OK BIT(3)
#define BIT_IMEM_BOOT_LOAD_CHECKSUM_OK BIT(2)
+#define BIT_FWDL_CHK_RPT BIT(2) /* legacy only */
+#define BIT_MCUFWDL_RDY BIT(1) /* legacy only */
#define BIT_MCUFWDL_EN BIT(0)
#define BIT_CHECK_SUM_OK (BIT(4) | BIT(6))
#define FW_READY (BIT_FW_INIT_RDY | BIT_FW_DW_RDY | \
BIT_IMEM_DW_OK | BIT_DMEM_DW_OK | \
BIT_CHECK_SUM_OK)
+#define FW_READY_LEGACY (BIT_MCUFWDL_RDY | BIT_FWDL_CHK_RPT | \
+ BIT_WINTINI_RDY | BIT_RAM_DL_SEL)
#define FW_READY_MASK 0xffff
+#define REG_EFUSE_ACCESS 0x00CF
+#define EFUSE_ACCESS_ON 0x69
+#define EFUSE_ACCESS_OFF 0x00
+
#define REG_WLRF1 0x00EC
#define REG_WIFI_BT_INFO 0x00AA
#define BIT_BT_INT_EN BIT(15)
#define REG_SYS_CFG1 0x00F0
#define BIT_RTL_ID BIT(23)
+#define BIT_LDO BIT(24)
#define BIT_RF_TYPE_ID BIT(27)
#define BIT_SHIFT_VENDOR_ID 16
#define BIT_MASK_VENDOR_ID 0xf
@@ -166,6 +212,7 @@
#define BIT_FS_RXDONE BIT(16)
#define REG_PKTBUF_DBG_CTRL 0x0140
#define REG_C2HEVT 0x01A0
+#define REG_MCUTST_1 0x01C0
#define REG_MCUTST_II 0x01C4
#define REG_WOWLAN_WAKE_REASON 0x01C7
#define REG_HMETFR 0x01CC
@@ -178,14 +225,42 @@
#define REG_HMEBOX2_EX 0x01F8
#define REG_HMEBOX3_EX 0x01FC
+#define REG_RQPN 0x0200
+#define BIT_MASK_HPQ 0xff
+#define BIT_SHIFT_HPQ 0
+#define BIT_RQPN_HPQ(x) (((x) & BIT_MASK_HPQ) << BIT_SHIFT_HPQ)
+#define BIT_MASK_LPQ 0xff
+#define BIT_SHIFT_LPQ 8
+#define BIT_RQPN_LPQ(x) (((x) & BIT_MASK_LPQ) << BIT_SHIFT_LPQ)
+#define BIT_MASK_PUBQ 0xff
+#define BIT_SHIFT_PUBQ 16
+#define BIT_RQPN_PUBQ(x) (((x) & BIT_MASK_PUBQ) << BIT_SHIFT_PUBQ)
+#define BIT_RQPN_HLP(h, l, p) (BIT_LD_RQPN | BIT_RQPN_HPQ(h) | \
+ BIT_RQPN_LPQ(l) | BIT_RQPN_PUBQ(p))
+
#define REG_FIFOPAGE_CTRL_2 0x0204
#define BIT_BCN_VALID_V1 BIT(15)
#define BIT_MASK_BCN_HEAD_1_V1 0xfff
#define REG_AUTO_LLT_V1 0x0208
#define BIT_AUTO_INIT_LLT_V1 BIT(0)
+#define REG_DWBCN0_CTRL 0x0208
+#define BIT_BCN_VALID BIT(16)
#define REG_TXDMA_OFFSET_CHK 0x020C
+#define BIT_DROP_DATA_EN BIT(9)
#define REG_TXDMA_STATUS 0x0210
#define BTI_PAGE_OVF BIT(2)
+
+#define REG_RQPN_NPQ 0x0214
+#define BIT_MASK_NPQ 0xff
+#define BIT_SHIFT_NPQ 0
+#define BIT_MASK_EPQ 0xff
+#define BIT_SHIFT_EPQ 16
+#define BIT_RQPN_NPQ(x) (((x) & BIT_MASK_NPQ) << BIT_SHIFT_NPQ)
+#define BIT_RQPN_EPQ(x) (((x) & BIT_MASK_EPQ) << BIT_SHIFT_EPQ)
+#define BIT_RQPN_NE(n, e) (BIT_RQPN_NPQ(n) | BIT_RQPN_EPQ(e))
+
+#define REG_AUTO_LLT 0x0224
+#define BIT_AUTO_INIT_LLT BIT(16)
#define REG_RQPN_CTRL_1 0x0228
#define REG_RQPN_CTRL_2 0x022C
#define BIT_LD_RQPN BIT(31)
@@ -213,7 +288,11 @@
#define REG_FWHW_TXQ_CTRL 0x0420
#define BIT_EN_BCNQ_DL BIT(22)
#define BIT_EN_WR_FREE_TAIL BIT(20)
+#define REG_HWSEQ_CTRL 0x0423
+
#define REG_BCNQ_BDNY_V1 0x0424
+#define REG_BCNQ_BDNY 0x0424
+#define REG_MGQ_BDNY 0x0425
#define REG_LIFETIME_EN 0x0426
#define BIT_BA_PARSER_EN BIT(5)
#define REG_SPEC_SIFS 0x0428
@@ -229,6 +308,8 @@
#define BIT_CHECK_CCK_EN BIT(7)
#define REG_AMPDU_MAX_TIME_V1 0x0455
#define REG_BCNQ1_BDNY_V1 0x0456
+#define REG_AMPDU_MAX_TIME 0x0456
+#define REG_WMAC_LBK_BF_HD 0x045D
#define REG_TX_HANG_CTRL 0x045E
#define BIT_EN_GNT_BT_AWAKE BIT(3)
#define BIT_EN_EOF_V1 BIT(2)
@@ -243,7 +324,10 @@
#define REG_QUEUE_CTRL 0x04C6
#define BIT_PTA_WL_TX_EN BIT(4)
#define BIT_PTA_EDCCA_EN BIT(5)
+#define REG_SINGLE_AMPDU_CTRL 0x04C7
+#define BIT_EN_SINGLE_APMDU BIT(7)
#define REG_PROT_MODE_CTRL 0x04C8
+#define REG_MAX_AGGR_NUM 0x04CA
#define REG_BAR_MODE_CTRL 0x04CC
#define REG_PRECNT_CTRL 0x04E5
#define BIT_BTCCA_CTRL (BIT(0) | BIT(1))
@@ -263,6 +347,7 @@
#define BIT_SHIFT_SIFS_OFDM_CTX 8
#define BIT_SHIFT_SIFS_CCK_TRX 16
#define BIT_SHIFT_SIFS_OFDM_TRX 24
+#define REG_AGGR_BREAK_TIME 0x051A
#define REG_SLOT 0x051B
#define REG_TX_PTCL_CTRL 0x0520
#define BIT_SIFS_BK_EN BIT(12)
@@ -274,18 +359,23 @@
#define REG_TBTT_PROHIBIT 0x0540
#define BIT_SHIFT_TBTT_HOLD_TIME_AP 8
#define REG_RD_NAV_NXT 0x0544
+#define REG_NAV_PROT_LEN 0x0546
#define REG_BCN_CTRL 0x0550
#define BIT_DIS_TSF_UDT BIT(4)
#define BIT_EN_BCN_FUNCTION BIT(3)
+#define BIT_EN_TXBCN_RPT BIT(2)
#define REG_BCN_CTRL_CLINT0 0x0551
#define REG_DRVERLYINT 0x0558
#define REG_BCNDMATIM 0x0559
+#define REG_ATIMWND 0x055A
#define REG_USTIME_TSF 0x055C
#define REG_BCN_MAX_ERR 0x055D
#define REG_RXTSF_OFFSET_CCK 0x055E
#define REG_MISC_CTRL 0x0577
#define BIT_EN_FREE_CNT BIT(3)
#define BIT_DIS_SECOND_CCA (BIT(0) | BIT(1))
+#define REG_HIQ_NO_LMT_EN 0x5A7
+#define BIT_HIQ_NO_LMT_EN_ROOT BIT(0)
#define REG_TIMER0_SRC_SEL 0x05B4
#define BIT_TSFT_SEL_TIMER0 (BIT(4) | BIT(5) | BIT(6))
@@ -311,6 +401,7 @@
#define BIT_HTC_LOC_CTRL BIT(14)
#define BIT_RPFM_CAM_ENABLE BIT(12)
#define BIT_TA_BCN BIT(11)
+#define BIT_RCR_ADF BIT(11)
#define BIT_DISDECMYPKT BIT(10)
#define BIT_AICV BIT(9)
#define BIT_ACRC32 BIT(8)
@@ -328,6 +419,7 @@
#define REG_MAR 0x0620
#define REG_USTIME_EDCA 0x0638
#define REG_ACKTO_CCK 0x0639
+#define REG_MAC_SPEC_SIFS 0x063A
#define REG_RESP_SIFS_CCK 0x063C
#define REG_RESP_SIFS_OFDM 0x063E
#define REG_ACKTO 0x0640
@@ -370,12 +462,19 @@
#define BIT_LTE_COEX_EN BIT(7)
#define REG_BT_STAT_CTRL 0x0778
#define REG_BT_TDMA_TIME 0x0790
+#define REG_LTR_IDLE_LATENCY 0x0798
+#define REG_LTR_ACTIVE_LATENCY 0x079C
+#define REG_LTR_CTRL_BASIC 0x07A4
#define REG_WMAC_OPTION_FUNCTION 0x07D0
#define REG_WMAC_OPTION_FUNCTION_1 0x07D4
+#define REG_FPGA0_RFMOD 0x0800
+#define BIT_CCKEN BIT(24)
+#define BIT_OFDMEN BIT(25)
#define REG_RX_GAIN_EN 0x081c
#define REG_RFE_CTRL_E 0x0974
+#define REG_2ND_CCA_CTRL 0x0976
#define REG_DIS_DPD 0x0a70
#define DIS_DPD_MASK GENMASK(9, 0)
@@ -514,7 +613,10 @@
#define REG_IGN_GNTBT4 0x4160
+#define RF_MODE 0x00
#define RF_MODOPT 0x01
+#define RF_WLINT 0x01
+#define RF_WLSEL 0x02
#define RF_DTXLOK 0x08
#define RF_CFGCH 0x18
#define RF_RCK 0x1d
@@ -522,9 +624,15 @@
#define RF_LUTWD1 0x3e
#define RF_LUTWD0 0x3f
#define RF_T_METER 0x42
+#define RF_BSPAD 0x54
+#define RF_GAINTX 0x56
+#define RF_TXATANK 0x64
+#define RF_TRXIQ 0x66
+#define RF_RXIQGEN 0x8d
#define RF_XTALX2 0xb8
#define RF_MALSEL 0xbe
#define RF_RCKD 0xde
+#define RF_TXADBG 0xde
#define RF_LUTDBG 0xdf
#define RF_LUTWE2 0xee
#define RF_LUTWE 0xef
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
new file mode 100644
index 000000000000..4700195c8eef
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
@@ -0,0 +1,2753 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include "main.h"
+#include "coex.h"
+#include "fw.h"
+#include "tx.h"
+#include "rx.h"
+#include "phy.h"
+#include "rtw8723d.h"
+#include "rtw8723d_table.h"
+#include "mac.h"
+#include "reg.h"
+#include "debug.h"
+
+static const struct rtw_hw_reg rtw8723d_txagc[] = {
+ [DESC_RATE1M] = { .addr = 0xe08, .mask = 0x0000ff00 },
+ [DESC_RATE2M] = { .addr = 0x86c, .mask = 0x0000ff00 },
+ [DESC_RATE5_5M] = { .addr = 0x86c, .mask = 0x00ff0000 },
+ [DESC_RATE11M] = { .addr = 0x86c, .mask = 0xff000000 },
+ [DESC_RATE6M] = { .addr = 0xe00, .mask = 0x000000ff },
+ [DESC_RATE9M] = { .addr = 0xe00, .mask = 0x0000ff00 },
+ [DESC_RATE12M] = { .addr = 0xe00, .mask = 0x00ff0000 },
+ [DESC_RATE18M] = { .addr = 0xe00, .mask = 0xff000000 },
+ [DESC_RATE24M] = { .addr = 0xe04, .mask = 0x000000ff },
+ [DESC_RATE36M] = { .addr = 0xe04, .mask = 0x0000ff00 },
+ [DESC_RATE48M] = { .addr = 0xe04, .mask = 0x00ff0000 },
+ [DESC_RATE54M] = { .addr = 0xe04, .mask = 0xff000000 },
+ [DESC_RATEMCS0] = { .addr = 0xe10, .mask = 0x000000ff },
+ [DESC_RATEMCS1] = { .addr = 0xe10, .mask = 0x0000ff00 },
+ [DESC_RATEMCS2] = { .addr = 0xe10, .mask = 0x00ff0000 },
+ [DESC_RATEMCS3] = { .addr = 0xe10, .mask = 0xff000000 },
+ [DESC_RATEMCS4] = { .addr = 0xe14, .mask = 0x000000ff },
+ [DESC_RATEMCS5] = { .addr = 0xe14, .mask = 0x0000ff00 },
+ [DESC_RATEMCS6] = { .addr = 0xe14, .mask = 0x00ff0000 },
+ [DESC_RATEMCS7] = { .addr = 0xe14, .mask = 0xff000000 },
+};
+
+#define WLAN_TXQ_RPT_EN 0x1F
+#define WLAN_SLOT_TIME 0x09
+#define WLAN_RL_VAL 0x3030
+#define WLAN_BAR_VAL 0x0201ffff
+#define BIT_MASK_TBTT_HOLD 0x00000fff
+#define BIT_SHIFT_TBTT_HOLD 8
+#define BIT_MASK_TBTT_SETUP 0x000000ff
+#define BIT_SHIFT_TBTT_SETUP 0
+#define BIT_MASK_TBTT_MASK ((BIT_MASK_TBTT_HOLD << BIT_SHIFT_TBTT_HOLD) | \
+ (BIT_MASK_TBTT_SETUP << BIT_SHIFT_TBTT_SETUP))
+#define TBTT_TIME(s, h)((((s) & BIT_MASK_TBTT_SETUP) << BIT_SHIFT_TBTT_SETUP) |\
+ (((h) & BIT_MASK_TBTT_HOLD) << BIT_SHIFT_TBTT_HOLD))
+#define WLAN_TBTT_TIME_NORMAL TBTT_TIME(0x04, 0x80)
+#define WLAN_TBTT_TIME_STOP_BCN TBTT_TIME(0x04, 0x64)
+#define WLAN_PIFS_VAL 0
+#define WLAN_AGG_BRK_TIME 0x16
+#define WLAN_NAV_PROT_LEN 0x0040
+#define WLAN_SPEC_SIFS 0x100a
+#define WLAN_RX_PKT_LIMIT 0x17
+#define WLAN_MAX_AGG_NR 0x0A
+#define WLAN_AMPDU_MAX_TIME 0x1C
+#define WLAN_ANT_SEL 0x82
+#define WLAN_LTR_IDLE_LAT 0x883C883C
+#define WLAN_LTR_ACT_LAT 0x880B880B
+#define WLAN_LTR_CTRL1 0xCB004010
+#define WLAN_LTR_CTRL2 0x01233425
+
+static void rtw8723d_lck(struct rtw_dev *rtwdev)
+{
+ u32 lc_cal;
+ u8 val_ctx, rf_val;
+ int ret;
+
+ val_ctx = rtw_read8(rtwdev, REG_CTX);
+ if ((val_ctx & BIT_MASK_CTX_TYPE) != 0)
+ rtw_write8(rtwdev, REG_CTX, val_ctx & ~BIT_MASK_CTX_TYPE);
+ else
+ rtw_write8(rtwdev, REG_TXPAUSE, 0xFF);
+ lc_cal = rtw_read_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK);
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK, lc_cal | BIT_LCK);
+
+ ret = read_poll_timeout(rtw_read_rf, rf_val, rf_val != 0x1,
+ 10000, 1000000, false,
+ rtwdev, RF_PATH_A, RF_CFGCH, BIT_LCK);
+ if (ret)
+ rtw_warn(rtwdev, "failed to poll LCK status bit\n");
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK, lc_cal);
+ if ((val_ctx & BIT_MASK_CTX_TYPE) != 0)
+ rtw_write8(rtwdev, REG_CTX, val_ctx);
+ else
+ rtw_write8(rtwdev, REG_TXPAUSE, 0x00);
+}
+
+static const u32 rtw8723d_ofdm_swing_table[] = {
+ 0x0b40002d, 0x0c000030, 0x0cc00033, 0x0d800036, 0x0e400039, 0x0f00003c,
+ 0x10000040, 0x11000044, 0x12000048, 0x1300004c, 0x14400051, 0x15800056,
+ 0x16c0005b, 0x18000060, 0x19800066, 0x1b00006c, 0x1c800072, 0x1e400079,
+ 0x20000080, 0x22000088, 0x24000090, 0x26000098, 0x288000a2, 0x2ac000ab,
+ 0x2d4000b5, 0x300000c0, 0x32c000cb, 0x35c000d7, 0x390000e4, 0x3c8000f2,
+ 0x40000100, 0x43c0010f, 0x47c0011f, 0x4c000130, 0x50800142, 0x55400155,
+ 0x5a400169, 0x5fc0017f, 0x65400195, 0x6b8001ae, 0x71c001c7, 0x788001e2,
+ 0x7f8001fe,
+};
+
+static const u32 rtw8723d_cck_swing_table[] = {
+ 0x0CD, 0x0D9, 0x0E6, 0x0F3, 0x102, 0x111, 0x121, 0x132, 0x144, 0x158,
+ 0x16C, 0x182, 0x198, 0x1B1, 0x1CA, 0x1E5, 0x202, 0x221, 0x241, 0x263,
+ 0x287, 0x2AE, 0x2D6, 0x301, 0x32F, 0x35F, 0x392, 0x3C9, 0x402, 0x43F,
+ 0x47F, 0x4C3, 0x50C, 0x558, 0x5A9, 0x5FF, 0x65A, 0x6BA, 0x720, 0x78C,
+ 0x7FF,
+};
+
+#define RTW_OFDM_SWING_TABLE_SIZE ARRAY_SIZE(rtw8723d_ofdm_swing_table)
+#define RTW_CCK_SWING_TABLE_SIZE ARRAY_SIZE(rtw8723d_cck_swing_table)
+
+static void rtw8723d_pwrtrack_init(struct rtw_dev *rtwdev)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ u8 path;
+
+ dm_info->default_ofdm_index = RTW_DEF_OFDM_SWING_INDEX;
+
+ for (path = RF_PATH_A; path < rtwdev->hal.rf_path_num; path++) {
+ ewma_thermal_init(&dm_info->avg_thermal[path]);
+ dm_info->delta_power_index[path] = 0;
+ }
+ dm_info->pwr_trk_triggered = false;
+ dm_info->pwr_trk_init_trigger = true;
+ dm_info->thermal_meter_k = rtwdev->efuse.thermal_meter_k;
+ dm_info->txagc_remnant_cck = 0;
+ dm_info->txagc_remnant_ofdm = 0;
+}
+
+static void rtw8723d_phy_set_param(struct rtw_dev *rtwdev)
+{
+ u8 xtal_cap;
+ u32 val32;
+
+ /* power on BB/RF domain */
+ rtw_write16_set(rtwdev, REG_SYS_FUNC_EN,
+ BIT_FEN_EN_25_1 | BIT_FEN_BB_GLB_RST | BIT_FEN_BB_RSTB);
+ rtw_write8_set(rtwdev, REG_RF_CTRL,
+ BIT_RF_EN | BIT_RF_RSTB | BIT_RF_SDM_RSTB);
+ rtw_write8(rtwdev, REG_AFE_CTRL1 + 1, 0x80);
+
+ rtw_phy_load_tables(rtwdev);
+
+ /* post init after header files config */
+ rtw_write32_clr(rtwdev, REG_RCR, BIT_RCR_ADF);
+ rtw_write8_set(rtwdev, REG_HIQ_NO_LMT_EN, BIT_HIQ_NO_LMT_EN_ROOT);
+ rtw_write16_set(rtwdev, REG_AFE_CTRL_4, BIT_CK320M_AFE_EN | BIT_EN_SYN);
+
+ xtal_cap = rtwdev->efuse.crystal_cap & 0x3F;
+ rtw_write32_mask(rtwdev, REG_AFE_CTRL3, BIT_MASK_XTAL,
+ xtal_cap | (xtal_cap << 6));
+ rtw_write32_set(rtwdev, REG_FPGA0_RFMOD, BIT_CCKEN | BIT_OFDMEN);
+ if ((rtwdev->efuse.afe >> 4) == 14) {
+ rtw_write32_set(rtwdev, REG_AFE_CTRL3, BIT_XTAL_GMP_BIT4);
+ rtw_write32_clr(rtwdev, REG_AFE_CTRL1, BITS_PLL);
+ rtw_write32_set(rtwdev, REG_LDO_SWR_CTRL, BIT_XTA1);
+ rtw_write32_clr(rtwdev, REG_LDO_SWR_CTRL, BIT_XTA0);
+ }
+
+ rtw_write8(rtwdev, REG_SLOT, WLAN_SLOT_TIME);
+ rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 1, WLAN_TXQ_RPT_EN);
+ rtw_write16(rtwdev, REG_RETRY_LIMIT, WLAN_RL_VAL);
+ rtw_write32(rtwdev, REG_BAR_MODE_CTRL, WLAN_BAR_VAL);
+ rtw_write8(rtwdev, REG_ATIMWND, 0x2);
+ rtw_write8(rtwdev, REG_BCN_CTRL,
+ BIT_DIS_TSF_UDT | BIT_EN_BCN_FUNCTION | BIT_EN_TXBCN_RPT);
+ val32 = rtw_read32(rtwdev, REG_TBTT_PROHIBIT);
+ val32 &= ~BIT_MASK_TBTT_MASK;
+ val32 |= WLAN_TBTT_TIME_STOP_BCN;
+ rtw_write8(rtwdev, REG_TBTT_PROHIBIT, val32);
+ rtw_write8(rtwdev, REG_PIFS, WLAN_PIFS_VAL);
+ rtw_write8(rtwdev, REG_AGGR_BREAK_TIME, WLAN_AGG_BRK_TIME);
+ rtw_write16(rtwdev, REG_NAV_PROT_LEN, WLAN_NAV_PROT_LEN);
+ rtw_write16(rtwdev, REG_MAC_SPEC_SIFS, WLAN_SPEC_SIFS);
+ rtw_write16(rtwdev, REG_SIFS, WLAN_SPEC_SIFS);
+ rtw_write16(rtwdev, REG_SIFS + 2, WLAN_SPEC_SIFS);
+ rtw_write8(rtwdev, REG_SINGLE_AMPDU_CTRL, BIT_EN_SINGLE_APMDU);
+ rtw_write8(rtwdev, REG_RX_PKT_LIMIT, WLAN_RX_PKT_LIMIT);
+ rtw_write8(rtwdev, REG_MAX_AGGR_NUM, WLAN_MAX_AGG_NR);
+ rtw_write8(rtwdev, REG_AMPDU_MAX_TIME, WLAN_AMPDU_MAX_TIME);
+ rtw_write8(rtwdev, REG_LEDCFG2, WLAN_ANT_SEL);
+
+ rtw_write32(rtwdev, REG_LTR_IDLE_LATENCY, WLAN_LTR_IDLE_LAT);
+ rtw_write32(rtwdev, REG_LTR_ACTIVE_LATENCY, WLAN_LTR_ACT_LAT);
+ rtw_write32(rtwdev, REG_LTR_CTRL_BASIC, WLAN_LTR_CTRL1);
+ rtw_write32(rtwdev, REG_LTR_CTRL_BASIC + 4, WLAN_LTR_CTRL2);
+
+ rtw_phy_init(rtwdev);
+
+ rtw_write16_set(rtwdev, REG_TXDMA_OFFSET_CHK, BIT_DROP_DATA_EN);
+
+ rtw8723d_lck(rtwdev);
+
+ rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, 0x50);
+ rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, 0x20);
+
+ rtw8723d_pwrtrack_init(rtwdev);
+}
+
+static void rtw8723de_efuse_parsing(struct rtw_efuse *efuse,
+ struct rtw8723d_efuse *map)
+{
+ ether_addr_copy(efuse->addr, map->e.mac_addr);
+}
+
+static int rtw8723d_read_efuse(struct rtw_dev *rtwdev, u8 *log_map)
+{
+ struct rtw_efuse *efuse = &rtwdev->efuse;
+ struct rtw8723d_efuse *map;
+ int i;
+
+ map = (struct rtw8723d_efuse *)log_map;
+
+ efuse->rfe_option = 0;
+ efuse->rf_board_option = map->rf_board_option;
+ efuse->crystal_cap = map->xtal_k;
+ efuse->pa_type_2g = map->pa_type;
+ efuse->lna_type_2g = map->lna_type_2g[0];
+ efuse->channel_plan = map->channel_plan;
+ efuse->country_code[0] = map->country_code[0];
+ efuse->country_code[1] = map->country_code[1];
+ efuse->bt_setting = map->rf_bt_setting;
+ efuse->regd = map->rf_board_option & 0x7;
+ efuse->thermal_meter[0] = map->thermal_meter;
+ efuse->thermal_meter_k = map->thermal_meter;
+ efuse->afe = map->afe;
+
+ for (i = 0; i < 4; i++)
+ efuse->txpwr_idx_table[i] = map->txpwr_idx_table[i];
+
+ switch (rtw_hci_type(rtwdev)) {
+ case RTW_HCI_TYPE_PCIE:
+ rtw8723de_efuse_parsing(efuse, map);
+ break;
+ default:
+ /* unsupported now */
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static void query_phy_status_page0(struct rtw_dev *rtwdev, u8 *phy_status,
+ struct rtw_rx_pkt_stat *pkt_stat)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ s8 min_rx_power = -120;
+ u8 pwdb = GET_PHY_STAT_P0_PWDB(phy_status);
+
+ pkt_stat->rx_power[RF_PATH_A] = pwdb - 97;
+ pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
+ pkt_stat->bw = RTW_CHANNEL_WIDTH_20;
+ pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A],
+ min_rx_power);
+ dm_info->rssi[RF_PATH_A] = pkt_stat->rssi;
+}
+
+static void query_phy_status_page1(struct rtw_dev *rtwdev, u8 *phy_status,
+ struct rtw_rx_pkt_stat *pkt_stat)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ u8 rxsc, bw;
+ s8 min_rx_power = -120;
+ s8 rx_evm;
+
+ if (pkt_stat->rate > DESC_RATE11M && pkt_stat->rate < DESC_RATEMCS0)
+ rxsc = GET_PHY_STAT_P1_L_RXSC(phy_status);
+ else
+ rxsc = GET_PHY_STAT_P1_HT_RXSC(phy_status);
+
+ if (GET_PHY_STAT_P1_RF_MODE(phy_status) == 0)
+ bw = RTW_CHANNEL_WIDTH_20;
+ else if ((rxsc == 1) || (rxsc == 2))
+ bw = RTW_CHANNEL_WIDTH_20;
+ else
+ bw = RTW_CHANNEL_WIDTH_40;
+
+ pkt_stat->rx_power[RF_PATH_A] = GET_PHY_STAT_P1_PWDB_A(phy_status) - 110;
+ pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
+ pkt_stat->bw = bw;
+ pkt_stat->signal_power = max(pkt_stat->rx_power[RF_PATH_A],
+ min_rx_power);
+ pkt_stat->rx_evm[RF_PATH_A] = GET_PHY_STAT_P1_RXEVM_A(phy_status);
+ pkt_stat->rx_snr[RF_PATH_A] = GET_PHY_STAT_P1_RXSNR_A(phy_status);
+ pkt_stat->cfo_tail[RF_PATH_A] = GET_PHY_STAT_P1_CFO_TAIL_A(phy_status);
+
+ dm_info->curr_rx_rate = pkt_stat->rate;
+ dm_info->rssi[RF_PATH_A] = pkt_stat->rssi;
+ dm_info->rx_snr[RF_PATH_A] = pkt_stat->rx_snr[RF_PATH_A] >> 1;
+ dm_info->cfo_tail[RF_PATH_A] = (pkt_stat->cfo_tail[RF_PATH_A] * 5) >> 1;
+
+ rx_evm = clamp_t(s8, -pkt_stat->rx_evm[RF_PATH_A] >> 1, 0, 64);
+ rx_evm &= 0x3F; /* 64->0: second path of 1SS rate is 64 */
+ dm_info->rx_evm_dbm[RF_PATH_A] = rx_evm;
+}
+
+static void query_phy_status(struct rtw_dev *rtwdev, u8 *phy_status,
+ struct rtw_rx_pkt_stat *pkt_stat)
+{
+ u8 page;
+
+ page = *phy_status & 0xf;
+
+ switch (page) {
+ case 0:
+ query_phy_status_page0(rtwdev, phy_status, pkt_stat);
+ break;
+ case 1:
+ query_phy_status_page1(rtwdev, phy_status, pkt_stat);
+ break;
+ default:
+ rtw_warn(rtwdev, "unused phy status page (%d)\n", page);
+ return;
+ }
+}
+
+static void rtw8723d_query_rx_desc(struct rtw_dev *rtwdev, u8 *rx_desc,
+ struct rtw_rx_pkt_stat *pkt_stat,
+ struct ieee80211_rx_status *rx_status)
+{
+ struct ieee80211_hdr *hdr;
+ u32 desc_sz = rtwdev->chip->rx_pkt_desc_sz;
+ u8 *phy_status = NULL;
+
+ memset(pkt_stat, 0, sizeof(*pkt_stat));
+
+ pkt_stat->phy_status = GET_RX_DESC_PHYST(rx_desc);
+ pkt_stat->icv_err = GET_RX_DESC_ICV_ERR(rx_desc);
+ pkt_stat->crc_err = GET_RX_DESC_CRC32(rx_desc);
+ pkt_stat->decrypted = !GET_RX_DESC_SWDEC(rx_desc) &&
+ GET_RX_DESC_ENC_TYPE(rx_desc) != RX_DESC_ENC_NONE;
+ pkt_stat->is_c2h = GET_RX_DESC_C2H(rx_desc);
+ pkt_stat->pkt_len = GET_RX_DESC_PKT_LEN(rx_desc);
+ pkt_stat->drv_info_sz = GET_RX_DESC_DRV_INFO_SIZE(rx_desc);
+ pkt_stat->shift = GET_RX_DESC_SHIFT(rx_desc);
+ pkt_stat->rate = GET_RX_DESC_RX_RATE(rx_desc);
+ pkt_stat->cam_id = GET_RX_DESC_MACID(rx_desc);
+ pkt_stat->ppdu_cnt = 0;
+ pkt_stat->tsf_low = GET_RX_DESC_TSFL(rx_desc);
+
+ /* drv_info_sz is in unit of 8-bytes */
+ pkt_stat->drv_info_sz *= 8;
+
+ /* c2h cmd pkt's rx/phy status is not interested */
+ if (pkt_stat->is_c2h)
+ return;
+
+ hdr = (struct ieee80211_hdr *)(rx_desc + desc_sz + pkt_stat->shift +
+ pkt_stat->drv_info_sz);
+ if (pkt_stat->phy_status) {
+ phy_status = rx_desc + desc_sz + pkt_stat->shift;
+ query_phy_status(rtwdev, phy_status, pkt_stat);
+ }
+
+ rtw_rx_fill_rx_status(rtwdev, pkt_stat, hdr, rx_status, phy_status);
+}
+
+static bool rtw8723d_check_spur_ov_thres(struct rtw_dev *rtwdev,
+ u8 channel, u32 thres)
+{
+ u32 freq;
+ bool ret = false;
+
+ if (channel == 13)
+ freq = FREQ_CH13;
+ else if (channel == 14)
+ freq = FREQ_CH14;
+ else
+ return false;
+
+ rtw_write32(rtwdev, REG_ANALOG_P4, DIS_3WIRE);
+ rtw_write32(rtwdev, REG_PSDFN, freq);
+ rtw_write32(rtwdev, REG_PSDFN, START_PSD | freq);
+
+ msleep(30);
+ if (rtw_read32(rtwdev, REG_PSDRPT) >= thres)
+ ret = true;
+
+ rtw_write32(rtwdev, REG_PSDFN, freq);
+ rtw_write32(rtwdev, REG_ANALOG_P4, EN_3WIRE);
+
+ return ret;
+}
+
+static void rtw8723d_cfg_notch(struct rtw_dev *rtwdev, u8 channel, bool notch)
+{
+ if (!notch) {
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_MASK_RXDSP, 0x1f);
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_EN_RXDSP, 0x0);
+ rtw_write32(rtwdev, REG_OFDM1_CSI1, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI2, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI3, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI4, 0x00000000);
+ rtw_write32_mask(rtwdev, REG_OFDM1_CFOTRK, BIT_EN_CFOTRK, 0x0);
+ return;
+ }
+
+ switch (channel) {
+ case 13:
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_MASK_RXDSP, 0xb);
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_EN_RXDSP, 0x1);
+ rtw_write32(rtwdev, REG_OFDM1_CSI1, 0x04000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI2, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI3, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI4, 0x00000000);
+ rtw_write32_mask(rtwdev, REG_OFDM1_CFOTRK, BIT_EN_CFOTRK, 0x1);
+ break;
+ case 14:
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_MASK_RXDSP, 0x5);
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_EN_RXDSP, 0x1);
+ rtw_write32(rtwdev, REG_OFDM1_CSI1, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI2, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI3, 0x00000000);
+ rtw_write32(rtwdev, REG_OFDM1_CSI4, 0x00080000);
+ rtw_write32_mask(rtwdev, REG_OFDM1_CFOTRK, BIT_EN_CFOTRK, 0x1);
+ break;
+ default:
+ rtw_write32_mask(rtwdev, REG_OFDM0_RXDSP, BIT_EN_RXDSP, 0x0);
+ rtw_write32_mask(rtwdev, REG_OFDM1_CFOTRK, BIT_EN_CFOTRK, 0x0);
+ break;
+ }
+}
+
+static void rtw8723d_spur_cal(struct rtw_dev *rtwdev, u8 channel)
+{
+ bool notch;
+
+ if (channel < 13) {
+ rtw8723d_cfg_notch(rtwdev, channel, false);
+ return;
+ }
+
+ notch = rtw8723d_check_spur_ov_thres(rtwdev, channel, SPUR_THRES);
+ rtw8723d_cfg_notch(rtwdev, channel, notch);
+}
+
+static void rtw8723d_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw)
+{
+ u32 rf_cfgch_a, rf_cfgch_b;
+
+ rf_cfgch_a = rtw_read_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK);
+ rf_cfgch_b = rtw_read_rf(rtwdev, RF_PATH_B, RF_CFGCH, RFREG_MASK);
+
+ rf_cfgch_a &= ~RFCFGCH_CHANNEL_MASK;
+ rf_cfgch_b &= ~RFCFGCH_CHANNEL_MASK;
+ rf_cfgch_a |= (channel & RFCFGCH_CHANNEL_MASK);
+ rf_cfgch_b |= (channel & RFCFGCH_CHANNEL_MASK);
+
+ rf_cfgch_a &= ~RFCFGCH_BW_MASK;
+ switch (bw) {
+ case RTW_CHANNEL_WIDTH_20:
+ rf_cfgch_a |= RFCFGCH_BW_20M;
+ break;
+ case RTW_CHANNEL_WIDTH_40:
+ rf_cfgch_a |= RFCFGCH_BW_40M;
+ break;
+ default:
+ break;
+ }
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_CFGCH, RFREG_MASK, rf_cfgch_a);
+ rtw_write_rf(rtwdev, RF_PATH_B, RF_CFGCH, RFREG_MASK, rf_cfgch_b);
+
+ rtw8723d_spur_cal(rtwdev, channel);
+}
+
+static const struct rtw_backup_info cck_dfir_cfg[][CCK_DFIR_NR] = {
+ [0] = {
+ { .len = 4, .reg = 0xA24, .val = 0x64B80C1C },
+ { .len = 4, .reg = 0xA28, .val = 0x00008810 },
+ { .len = 4, .reg = 0xAAC, .val = 0x01235667 },
+ },
+ [1] = {
+ { .len = 4, .reg = 0xA24, .val = 0x0000B81C },
+ { .len = 4, .reg = 0xA28, .val = 0x00000000 },
+ { .len = 4, .reg = 0xAAC, .val = 0x00003667 },
+ },
+};
+
+static void rtw8723d_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
+ u8 primary_ch_idx)
+{
+ const struct rtw_backup_info *cck_dfir;
+ int i;
+
+ cck_dfir = channel <= 13 ? cck_dfir_cfg[0] : cck_dfir_cfg[1];
+
+ for (i = 0; i < CCK_DFIR_NR; i++, cck_dfir++)
+ rtw_write32(rtwdev, cck_dfir->reg, cck_dfir->val);
+
+ switch (bw) {
+ case RTW_CHANNEL_WIDTH_20:
+ rtw_write32_mask(rtwdev, REG_FPGA0_RFMOD, BIT_MASK_RFMOD, 0x0);
+ rtw_write32_mask(rtwdev, REG_FPGA1_RFMOD, BIT_MASK_RFMOD, 0x0);
+ rtw_write32_mask(rtwdev, REG_BBRX_DFIR, BIT_RXBB_DFIR_EN, 1);
+ rtw_write32_mask(rtwdev, REG_BBRX_DFIR, BIT_MASK_RXBB_DFIR, 0xa);
+ break;
+ case RTW_CHANNEL_WIDTH_40:
+ rtw_write32_mask(rtwdev, REG_FPGA0_RFMOD, BIT_MASK_RFMOD, 0x1);
+ rtw_write32_mask(rtwdev, REG_FPGA1_RFMOD, BIT_MASK_RFMOD, 0x1);
+ rtw_write32_mask(rtwdev, REG_BBRX_DFIR, BIT_RXBB_DFIR_EN, 0);
+ rtw_write32_mask(rtwdev, REG_CCK0_SYS, BIT_CCK_SIDE_BAND,
+ (primary_ch_idx == RTW_SC_20_UPPER ? 1 : 0));
+ break;
+ default:
+ break;
+ }
+}
+
+static void rtw8723d_set_channel(struct rtw_dev *rtwdev, u8 channel, u8 bw,
+ u8 primary_chan_idx)
+{
+ rtw8723d_set_channel_rf(rtwdev, channel, bw);
+ rtw_set_channel_mac(rtwdev, channel, bw, primary_chan_idx);
+ rtw8723d_set_channel_bb(rtwdev, channel, bw, primary_chan_idx);
+}
+
+#define BIT_CFENDFORM BIT(9)
+#define BIT_WMAC_TCR_ERR0 BIT(12)
+#define BIT_WMAC_TCR_ERR1 BIT(13)
+#define BIT_TCR_CFG (BIT_CFENDFORM | BIT_WMAC_TCR_ERR0 | \
+ BIT_WMAC_TCR_ERR1)
+#define WLAN_RX_FILTER0 0xFFFF
+#define WLAN_RX_FILTER1 0x400
+#define WLAN_RX_FILTER2 0xFFFF
+#define WLAN_RCR_CFG 0x700060CE
+
+static int rtw8723d_mac_init(struct rtw_dev *rtwdev)
+{
+ rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 1, WLAN_TXQ_RPT_EN);
+ rtw_write32(rtwdev, REG_TCR, BIT_TCR_CFG);
+
+ rtw_write16(rtwdev, REG_RXFLTMAP0, WLAN_RX_FILTER0);
+ rtw_write16(rtwdev, REG_RXFLTMAP1, WLAN_RX_FILTER1);
+ rtw_write16(rtwdev, REG_RXFLTMAP2, WLAN_RX_FILTER2);
+ rtw_write32(rtwdev, REG_RCR, WLAN_RCR_CFG);
+
+ rtw_write32(rtwdev, REG_INT_MIG, 0);
+ rtw_write32(rtwdev, REG_MCUTST_1, 0x0);
+
+ rtw_write8(rtwdev, REG_MISC_CTRL, BIT_DIS_SECOND_CCA);
+ rtw_write8(rtwdev, REG_2ND_CCA_CTRL, 0);
+
+ return 0;
+}
+
+static void rtw8723d_shutdown(struct rtw_dev *rtwdev)
+{
+ rtw_write16_set(rtwdev, REG_HCI_OPT_CTRL, BIT_USB_SUS_DIS);
+}
+
+static void rtw8723d_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
+{
+ u8 ldo_pwr;
+
+ ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3);
+ if (enable) {
+ ldo_pwr &= ~BIT_MASK_LDO25_VOLTAGE;
+ ldo_pwr |= (BIT_LDO25_VOLTAGE_V25 << 4) | BIT_LDO25_EN;
+ } else {
+ ldo_pwr &= ~BIT_LDO25_EN;
+ }
+ rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
+}
+
+static void
+rtw8723d_set_tx_power_index_by_rate(struct rtw_dev *rtwdev, u8 path, u8 rs)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ const struct rtw_hw_reg *txagc;
+ u8 rate, pwr_index;
+ int j;
+
+ for (j = 0; j < rtw_rate_size[rs]; j++) {
+ rate = rtw_rate_section[rs][j];
+ pwr_index = hal->tx_pwr_tbl[path][rate];
+
+ if (rate >= ARRAY_SIZE(rtw8723d_txagc)) {
+ rtw_warn(rtwdev, "rate 0x%x isn't supported\n", rate);
+ continue;
+ }
+ txagc = &rtw8723d_txagc[rate];
+ if (!txagc->addr) {
+ rtw_warn(rtwdev, "rate 0x%x isn't defined\n", rate);
+ continue;
+ }
+
+ rtw_write32_mask(rtwdev, txagc->addr, txagc->mask, pwr_index);
+ }
+}
+
+static void rtw8723d_set_tx_power_index(struct rtw_dev *rtwdev)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ int rs, path;
+
+ for (path = 0; path < hal->rf_path_num; path++) {
+ for (rs = 0; rs <= RTW_RATE_SECTION_HT_1S; rs++)
+ rtw8723d_set_tx_power_index_by_rate(rtwdev, path, rs);
+ }
+}
+
+static void rtw8723d_efuse_grant(struct rtw_dev *rtwdev, bool on)
+{
+ if (on) {
+ rtw_write8(rtwdev, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON);
+
+ rtw_write16_set(rtwdev, REG_SYS_FUNC_EN, BIT_FEN_ELDR);
+ rtw_write16_set(rtwdev, REG_SYS_CLKR, BIT_LOADER_CLK_EN | BIT_ANA8M);
+ } else {
+ rtw_write8(rtwdev, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF);
+ }
+}
+
+static void rtw8723d_false_alarm_statistics(struct rtw_dev *rtwdev)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ u32 cck_fa_cnt;
+ u32 ofdm_fa_cnt;
+ u32 crc32_cnt;
+ u32 val32;
+
+ /* hold counter */
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 1);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 1);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KEEP, 1);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KEEP, 1);
+
+ cck_fa_cnt = rtw_read32_mask(rtwdev, REG_CCK_FA_LSB_11N, MASKBYTE0);
+ cck_fa_cnt += rtw_read32_mask(rtwdev, REG_CCK_FA_MSB_11N, MASKBYTE3) << 8;
+
+ val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE1_11N);
+ ofdm_fa_cnt = u32_get_bits(val32, BIT_MASK_OFDM_FF_CNT);
+ ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_SF_CNT);
+ val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE2_11N);
+ dm_info->ofdm_cca_cnt = u32_get_bits(val32, BIT_MASK_OFDM_CCA_CNT);
+ ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_PF_CNT);
+ val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE3_11N);
+ ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_RI_CNT);
+ ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_CRC_CNT);
+ val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE4_11N);
+ ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_MNS_CNT);
+
+ dm_info->cck_fa_cnt = cck_fa_cnt;
+ dm_info->ofdm_fa_cnt = ofdm_fa_cnt;
+ dm_info->total_fa_cnt = cck_fa_cnt + ofdm_fa_cnt;
+
+ dm_info->cck_err_cnt = rtw_read32(rtwdev, REG_IGI_C_11N);
+ dm_info->cck_ok_cnt = rtw_read32(rtwdev, REG_IGI_D_11N);
+ crc32_cnt = rtw_read32(rtwdev, REG_OFDM_CRC32_CNT_11N);
+ dm_info->ofdm_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_ERR);
+ dm_info->ofdm_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_OK);
+ crc32_cnt = rtw_read32(rtwdev, REG_HT_CRC32_CNT_11N);
+ dm_info->ht_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_ERR);
+ dm_info->ht_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_OK);
+ dm_info->vht_err_cnt = 0;
+ dm_info->vht_ok_cnt = 0;
+
+ val32 = rtw_read32(rtwdev, REG_CCK_CCA_CNT_11N);
+ dm_info->cck_cca_cnt = (u32_get_bits(val32, BIT_MASK_CCK_FA_MSB) << 8) |
+ u32_get_bits(val32, BIT_MASK_CCK_FA_LSB);
+ dm_info->total_cca_cnt = dm_info->cck_cca_cnt + dm_info->ofdm_cca_cnt;
+
+ /* reset counter */
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 1);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 0);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 1);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 0);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 0);
+ rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 0);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 0);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 2);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 0);
+ rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 2);
+ rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 1);
+ rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 0);
+}
+
+static const u32 iqk_adda_regs[] = {
+ 0x85c, 0xe6c, 0xe70, 0xe74, 0xe78, 0xe7c, 0xe80, 0xe84, 0xe88, 0xe8c,
+ 0xed0, 0xed4, 0xed8, 0xedc, 0xee0, 0xeec
+};
+
+static const u32 iqk_mac8_regs[] = {0x522, 0x550, 0x551};
+static const u32 iqk_mac32_regs[] = {0x40};
+
+static const u32 iqk_bb_regs[] = {
+ 0xc04, 0xc08, 0x874, 0xb68, 0xb6c, 0x870, 0x860, 0x864, 0xa04
+};
+
+#define IQK_ADDA_REG_NUM ARRAY_SIZE(iqk_adda_regs)
+#define IQK_MAC8_REG_NUM ARRAY_SIZE(iqk_mac8_regs)
+#define IQK_MAC32_REG_NUM ARRAY_SIZE(iqk_mac32_regs)
+#define IQK_BB_REG_NUM ARRAY_SIZE(iqk_bb_regs)
+
+struct iqk_backup_regs {
+ u32 adda[IQK_ADDA_REG_NUM];
+ u8 mac8[IQK_MAC8_REG_NUM];
+ u32 mac32[IQK_MAC32_REG_NUM];
+ u32 bb[IQK_BB_REG_NUM];
+
+ u32 lte_path;
+ u32 lte_gnt;
+
+ u32 bb_sel_btg;
+ u8 btg_sel;
+
+ u8 igia;
+ u8 igib;
+};
+
+static void rtw8723d_iqk_backup_regs(struct rtw_dev *rtwdev,
+ struct iqk_backup_regs *backup)
+{
+ int i;
+
+ for (i = 0; i < IQK_ADDA_REG_NUM; i++)
+ backup->adda[i] = rtw_read32(rtwdev, iqk_adda_regs[i]);
+
+ for (i = 0; i < IQK_MAC8_REG_NUM; i++)
+ backup->mac8[i] = rtw_read8(rtwdev, iqk_mac8_regs[i]);
+ for (i = 0; i < IQK_MAC32_REG_NUM; i++)
+ backup->mac32[i] = rtw_read32(rtwdev, iqk_mac32_regs[i]);
+
+ for (i = 0; i < IQK_BB_REG_NUM; i++)
+ backup->bb[i] = rtw_read32(rtwdev, iqk_bb_regs[i]);
+
+ backup->igia = rtw_read32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0);
+ backup->igib = rtw_read32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0);
+
+ backup->bb_sel_btg = rtw_read32(rtwdev, REG_BB_SEL_BTG);
+}
+
+static void rtw8723d_iqk_restore_regs(struct rtw_dev *rtwdev,
+ const struct iqk_backup_regs *backup)
+{
+ int i;
+
+ for (i = 0; i < IQK_ADDA_REG_NUM; i++)
+ rtw_write32(rtwdev, iqk_adda_regs[i], backup->adda[i]);
+
+ for (i = 0; i < IQK_MAC8_REG_NUM; i++)
+ rtw_write8(rtwdev, iqk_mac8_regs[i], backup->mac8[i]);
+ for (i = 0; i < IQK_MAC32_REG_NUM; i++)
+ rtw_write32(rtwdev, iqk_mac32_regs[i], backup->mac32[i]);
+
+ for (i = 0; i < IQK_BB_REG_NUM; i++)
+ rtw_write32(rtwdev, iqk_bb_regs[i], backup->bb[i]);
+
+ rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, 0x50);
+ rtw_write32_mask(rtwdev, REG_OFDM0_XAAGC1, MASKBYTE0, backup->igia);
+
+ rtw_write32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0, 0x50);
+ rtw_write32_mask(rtwdev, REG_OFDM0_XBAGC1, MASKBYTE0, backup->igib);
+
+ rtw_write32(rtwdev, REG_TXIQK_TONE_A_11N, 0x01008c00);
+ rtw_write32(rtwdev, REG_RXIQK_TONE_A_11N, 0x01008c00);
+}
+
+static void rtw8723d_iqk_backup_path_ctrl(struct rtw_dev *rtwdev,
+ struct iqk_backup_regs *backup)
+{
+ backup->btg_sel = rtw_read8(rtwdev, REG_BTG_SEL);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] original 0x67 = 0x%x\n",
+ backup->btg_sel);
+}
+
+static void rtw8723d_iqk_config_path_ctrl(struct rtw_dev *rtwdev)
+{
+ rtw_write32_mask(rtwdev, REG_PAD_CTRL1, BIT_BT_BTG_SEL, 0x1);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] set 0x67 = 0x%x\n",
+ rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
+}
+
+static void rtw8723d_iqk_restore_path_ctrl(struct rtw_dev *rtwdev,
+ const struct iqk_backup_regs *backup)
+{
+ rtw_write8(rtwdev, REG_BTG_SEL, backup->btg_sel);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] restore 0x67 = 0x%x\n",
+ rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
+}
+
+static void rtw8723d_iqk_backup_lte_path_gnt(struct rtw_dev *rtwdev,
+ struct iqk_backup_regs *backup)
+{
+ backup->lte_path = rtw_read32(rtwdev, REG_LTECOEX_PATH_CONTROL);
+ rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0x800f0038);
+ mdelay(1);
+ backup->lte_gnt = rtw_read32(rtwdev, REG_LTECOEX_READ_DATA);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] OriginalGNT = 0x%x\n",
+ backup->lte_gnt);
+}
+
+static void rtw8723d_iqk_config_lte_path_gnt(struct rtw_dev *rtwdev)
+{
+ rtw_write32(rtwdev, REG_LTECOEX_WRITE_DATA, 0x0000ff00);
+ rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0xc0020038);
+ rtw_write32_mask(rtwdev, REG_LTECOEX_PATH_CONTROL, BIT_LTE_MUX_CTRL_PATH, 0x1);
+}
+
+static void rtw8723d_iqk_restore_lte_path_gnt(struct rtw_dev *rtwdev,
+ const struct iqk_backup_regs *bak)
+{
+ rtw_write32(rtwdev, REG_LTECOEX_WRITE_DATA, bak->lte_gnt);
+ rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0xc00f0038);
+ rtw_write32(rtwdev, REG_LTECOEX_PATH_CONTROL, bak->lte_path);
+}
+
+struct rtw_8723d_iqk_cfg {
+ const char *name;
+ u32 val_bb_sel_btg;
+ u32 reg_lutwe;
+ u32 val_txiqk_pi;
+ u32 reg_padlut;
+ u32 reg_gaintx;
+ u32 reg_bspad;
+ u32 val_wlint;
+ u32 val_wlsel;
+ u32 val_iqkpts;
+};
+
+static const struct rtw_8723d_iqk_cfg iqk_tx_cfg[PATH_NR] = {
+ [PATH_S1] = {
+ .name = "S1",
+ .val_bb_sel_btg = 0x99000000,
+ .reg_lutwe = RF_LUTWE,
+ .val_txiqk_pi = 0x8214019f,
+ .reg_padlut = RF_LUTDBG,
+ .reg_gaintx = RF_GAINTX,
+ .reg_bspad = RF_BSPAD,
+ .val_wlint = 0xe0d,
+ .val_wlsel = 0x60d,
+ .val_iqkpts = 0xfa000000,
+ },
+ [PATH_S0] = {
+ .name = "S0",
+ .val_bb_sel_btg = 0x99000280,
+ .reg_lutwe = RF_LUTWE2,
+ .val_txiqk_pi = 0x8214018a,
+ .reg_padlut = RF_TXADBG,
+ .reg_gaintx = RF_TRXIQ,
+ .reg_bspad = RF_TXATANK,
+ .val_wlint = 0xe6d,
+ .val_wlsel = 0x66d,
+ .val_iqkpts = 0xf9000000,
+ },
+};
+
+static u8 rtw8723d_iqk_check_tx_failed(struct rtw_dev *rtwdev,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg)
+{
+ s32 tx_x, tx_y;
+ u32 tx_fail;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0xeac = 0x%x\n",
+ rtw_read32(rtwdev, REG_IQK_RES_RY));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0xe94 = 0x%x, 0xe9c = 0x%x\n",
+ rtw_read32(rtwdev, REG_IQK_RES_TX),
+ rtw_read32(rtwdev, REG_IQK_RES_TY));
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] 0xe90(before IQK)= 0x%x, 0xe98(afer IQK) = 0x%x\n",
+ rtw_read32(rtwdev, 0xe90),
+ rtw_read32(rtwdev, 0xe98));
+
+ tx_fail = rtw_read32_mask(rtwdev, REG_IQK_RES_RY, BIT_IQK_TX_FAIL);
+ tx_x = rtw_read32_mask(rtwdev, REG_IQK_RES_TX, BIT_MASK_RES_TX);
+ tx_y = rtw_read32_mask(rtwdev, REG_IQK_RES_TY, BIT_MASK_RES_TY);
+
+ if (!tx_fail && tx_x != IQK_TX_X_ERR && tx_y != IQK_TX_Y_ERR)
+ return IQK_TX_OK;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] %s TXIQK is failed\n",
+ iqk_cfg->name);
+
+ return 0;
+}
+
+static u8 rtw8723d_iqk_check_rx_failed(struct rtw_dev *rtwdev,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg)
+{
+ s32 rx_x, rx_y;
+ u32 rx_fail;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0xea4 = 0x%x, 0xeac = 0x%x\n",
+ rtw_read32(rtwdev, REG_IQK_RES_RX),
+ rtw_read32(rtwdev, REG_IQK_RES_RY));
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] 0xea0(before IQK)= 0x%x, 0xea8(afer IQK) = 0x%x\n",
+ rtw_read32(rtwdev, 0xea0),
+ rtw_read32(rtwdev, 0xea8));
+
+ rx_fail = rtw_read32_mask(rtwdev, REG_IQK_RES_RY, BIT_IQK_RX_FAIL);
+ rx_x = rtw_read32_mask(rtwdev, REG_IQK_RES_RX, BIT_MASK_RES_RX);
+ rx_y = rtw_read32_mask(rtwdev, REG_IQK_RES_RY, BIT_MASK_RES_RY);
+ rx_y = abs(iqkxy_to_s32(rx_y));
+
+ if (!rx_fail && rx_x < IQK_RX_X_UPPER && rx_x > IQK_RX_X_LOWER &&
+ rx_y < IQK_RX_Y_LMT)
+ return IQK_RX_OK;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] %s RXIQK STEP2 is failed\n",
+ iqk_cfg->name);
+
+ return 0;
+}
+
+static void rtw8723d_iqk_one_shot(struct rtw_dev *rtwdev, bool tx,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg)
+{
+ u32 pts = (tx ? iqk_cfg->val_iqkpts : 0xf9000000);
+
+ /* enter IQK mode */
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, EN_IQK);
+ rtw8723d_iqk_config_lte_path_gnt(rtwdev);
+
+ rtw_write32(rtwdev, REG_LTECOEX_CTRL, 0x800f0054);
+ mdelay(1);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] GNT_BT @%s %sIQK1 = 0x%x\n",
+ iqk_cfg->name, tx ? "TX" : "RX",
+ rtw_read32(rtwdev, REG_LTECOEX_READ_DATA));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0x948 @%s %sIQK1 = 0x%x\n",
+ iqk_cfg->name, tx ? "TX" : "RX",
+ rtw_read32(rtwdev, REG_BB_SEL_BTG));
+
+ /* One shot, LOK & IQK */
+ rtw_write32(rtwdev, REG_IQK_AGC_PTS_11N, pts);
+ rtw_write32(rtwdev, REG_IQK_AGC_PTS_11N, 0xf8000000);
+
+ if (!check_hw_ready(rtwdev, REG_IQK_RES_RY, BIT_IQK_DONE, 1))
+ rtw_warn(rtwdev, "%s %s IQK isn't done\n", iqk_cfg->name,
+ tx ? "TX" : "RX");
+}
+
+static void rtw8723d_iqk_txrx_path_post(struct rtw_dev *rtwdev,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg,
+ const struct iqk_backup_regs *backup)
+{
+ rtw8723d_iqk_restore_lte_path_gnt(rtwdev, backup);
+ rtw_write32(rtwdev, REG_BB_SEL_BTG, backup->bb_sel_btg);
+
+ /* leave IQK mode */
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+ mdelay(1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_padlut, 0x800, 0x0);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLINT, BIT(0), 0x0);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLSEL, BIT(0), 0x0);
+}
+
+static u8 rtw8723d_iqk_tx_path(struct rtw_dev *rtwdev,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg,
+ const struct iqk_backup_regs *backup)
+{
+ u8 status;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path %s TXIQK!!\n", iqk_cfg->name);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0x67 @%s TXIQK = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
+
+ rtw_write32(rtwdev, REG_BB_SEL_BTG, iqk_cfg->val_bb_sel_btg);
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+ mdelay(1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, RFREG_MASK, 0x80000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x00004);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD1, RFREG_MASK, 0x0005d);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0xBFFE0);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, RFREG_MASK, 0x00000);
+
+ /* IQK setting */
+ rtw_write32(rtwdev, REG_TXIQK_TONE_A_11N, 0x08008c0c);
+ rtw_write32(rtwdev, REG_RXIQK_TONE_A_11N, 0x38008c1c);
+ rtw_write32(rtwdev, REG_TXIQK_PI_A_11N, iqk_cfg->val_txiqk_pi);
+ rtw_write32(rtwdev, REG_RXIQK_PI_A_11N, 0x28160200);
+ rtw_write32(rtwdev, REG_TXIQK_11N, 0x01007c00);
+ rtw_write32(rtwdev, REG_RXIQK_11N, 0x01004800);
+
+ /* LOK setting */
+ rtw_write32(rtwdev, REG_IQK_AGC_RSP_11N, 0x00462911);
+
+ /* PA, PAD setting */
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_padlut, 0x800, 0x1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_gaintx, 0x600, 0x0);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_gaintx, 0x1E0, 0x3);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_RXIQGEN, 0x1F, 0xf);
+
+ /* LOK setting for 8723D */
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, 0x10, 0x1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_bspad, 0x1, 0x1);
+
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLINT, RFREG_MASK, iqk_cfg->val_wlint);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLSEL, RFREG_MASK, iqk_cfg->val_wlsel);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x1 @%s TXIQK = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLINT, RFREG_MASK));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x2 @%s TXIQK = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLSEL, RFREG_MASK));
+
+ rtw8723d_iqk_one_shot(rtwdev, true, iqk_cfg);
+ status = rtw8723d_iqk_check_tx_failed(rtwdev, iqk_cfg);
+
+ rtw8723d_iqk_txrx_path_post(rtwdev, iqk_cfg, backup);
+
+ return status;
+}
+
+static u8 rtw8723d_iqk_rx_path(struct rtw_dev *rtwdev,
+ const struct rtw_8723d_iqk_cfg *iqk_cfg,
+ const struct iqk_backup_regs *backup)
+{
+ u32 tx_x, tx_y;
+ u8 status;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path %s RXIQK Step1!!\n",
+ iqk_cfg->name);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0x67 @%s RXIQK1 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
+ rtw_write32(rtwdev, REG_BB_SEL_BTG, iqk_cfg->val_bb_sel_btg);
+
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+
+ /* IQK setting */
+ rtw_write32(rtwdev, REG_TXIQK_11N, 0x01007c00);
+ rtw_write32(rtwdev, REG_RXIQK_11N, 0x01004800);
+
+ /* path IQK setting */
+ rtw_write32(rtwdev, REG_TXIQK_TONE_A_11N, 0x18008c1c);
+ rtw_write32(rtwdev, REG_RXIQK_TONE_A_11N, 0x38008c1c);
+ rtw_write32(rtwdev, REG_TX_IQK_TONE_B, 0x38008c1c);
+ rtw_write32(rtwdev, REG_RX_IQK_TONE_B, 0x38008c1c);
+ rtw_write32(rtwdev, REG_TXIQK_PI_A_11N, 0x82160000);
+ rtw_write32(rtwdev, REG_RXIQK_PI_A_11N, 0x28160000);
+
+ /* LOK setting */
+ rtw_write32(rtwdev, REG_IQK_AGC_RSP_11N, 0x0046a911);
+
+ /* RXIQK mode */
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, RFREG_MASK, 0x80000);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x00006);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD1, RFREG_MASK, 0x0005f);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0xa7ffb);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, RFREG_MASK, 0x00000);
+
+ /* PA/PAD=0 */
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_padlut, 0x800, 0x1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_gaintx, 0x600, 0x0);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLINT, RFREG_MASK, iqk_cfg->val_wlint);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_WLSEL, RFREG_MASK, iqk_cfg->val_wlsel);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x1@ path %s RXIQK1 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLINT, RFREG_MASK));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x2@ path %s RXIQK1 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLSEL, RFREG_MASK));
+
+ rtw8723d_iqk_one_shot(rtwdev, false, iqk_cfg);
+ status = rtw8723d_iqk_check_tx_failed(rtwdev, iqk_cfg);
+
+ if (!status)
+ goto restore;
+
+ /* second round */
+ tx_x = rtw_read32_mask(rtwdev, REG_IQK_RES_TX, BIT_MASK_RES_TX);
+ tx_y = rtw_read32_mask(rtwdev, REG_IQK_RES_TY, BIT_MASK_RES_TY);
+
+ rtw_write32(rtwdev, REG_TXIQK_11N, BIT_SET_TXIQK_11N(tx_x, tx_y));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0xe40 = 0x%x u4tmp = 0x%x\n",
+ rtw_read32(rtwdev, REG_TXIQK_11N),
+ BIT_SET_TXIQK_11N(tx_x, tx_y));
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path %s RXIQK STEP2!!\n",
+ iqk_cfg->name);
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] 0x67 @%s RXIQK2 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read32_mask(rtwdev, REG_PAD_CTRL1, MASKBYTE3));
+
+ rtw_write32(rtwdev, REG_RXIQK_11N, 0x01004800);
+ rtw_write32(rtwdev, REG_TXIQK_TONE_A_11N, 0x38008c1c);
+ rtw_write32(rtwdev, REG_RXIQK_TONE_A_11N, 0x18008c1c);
+ rtw_write32(rtwdev, REG_TX_IQK_TONE_B, 0x38008c1c);
+ rtw_write32(rtwdev, REG_RX_IQK_TONE_B, 0x38008c1c);
+ rtw_write32(rtwdev, REG_TXIQK_PI_A_11N, 0x82170000);
+ rtw_write32(rtwdev, REG_RXIQK_PI_A_11N, 0x28171400);
+
+ /* LOK setting */
+ rtw_write32(rtwdev, REG_IQK_AGC_RSP_11N, 0x0046a8d1);
+
+ /* RXIQK mode */
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+ mdelay(1);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, 0x80000, 0x1);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWA, RFREG_MASK, 0x00007);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD1, RFREG_MASK, 0x0005f);
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTWD0, RFREG_MASK, 0xb3fdb);
+ rtw_write_rf(rtwdev, RF_PATH_A, iqk_cfg->reg_lutwe, RFREG_MASK, 0x00000);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x1 @%s RXIQK2 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLINT, RFREG_MASK));
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] RF0x2 @%s RXIQK2 = 0x%x\n",
+ iqk_cfg->name,
+ rtw_read_rf(rtwdev, RF_PATH_A, RF_WLSEL, RFREG_MASK));
+
+ rtw8723d_iqk_one_shot(rtwdev, false, iqk_cfg);
+ status |= rtw8723d_iqk_check_rx_failed(rtwdev, iqk_cfg);
+
+restore:
+ rtw8723d_iqk_txrx_path_post(rtwdev, iqk_cfg, backup);
+
+ return status;
+}
+
+static
+void rtw8723d_iqk_fill_s1_matrix(struct rtw_dev *rtwdev, const s32 result[])
+{
+ s32 oldval_1;
+ s32 x, y;
+ s32 tx1_a, tx1_a_ext;
+ s32 tx1_c, tx1_c_ext;
+
+ if (result[IQK_S1_TX_X] == 0)
+ return;
+
+ oldval_1 = rtw_read32_mask(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE,
+ BIT_MASK_TXIQ_ELM_D);
+
+ x = iqkxy_to_s32(result[IQK_S1_TX_X]);
+ tx1_a = iqk_mult(x, oldval_1, &tx1_a_ext);
+ rtw_write32_mask(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE,
+ BIT_MASK_TXIQ_ELM_A, tx1_a);
+ rtw_write32_mask(rtwdev, REG_OFDM_0_ECCA_THRESHOLD,
+ BIT_MASK_OFDM0_EXT_A, tx1_a_ext);
+
+ y = iqkxy_to_s32(result[IQK_S1_TX_Y]);
+ tx1_c = iqk_mult(y, oldval_1, &tx1_c_ext);
+ rtw_write32_mask(rtwdev, REG_TXIQK_MATRIXA_LSB2_11N, MASKH4BITS,
+ BIT_SET_TXIQ_ELM_C1(tx1_c));
+ rtw_write32_mask(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE,
+ BIT_MASK_TXIQ_ELM_C, BIT_SET_TXIQ_ELM_C2(tx1_c));
+ rtw_write32_mask(rtwdev, REG_OFDM_0_ECCA_THRESHOLD,
+ BIT_MASK_OFDM0_EXT_C, tx1_c_ext);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] X = 0x%x, TX1_A = 0x%x, oldval_1 0x%x\n",
+ x, tx1_a, oldval_1);
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] Y = 0x%x, TX1_C = 0x%x\n", y, tx1_c);
+
+ if (result[IQK_S1_RX_X] == 0)
+ return;
+
+ rtw_write32_mask(rtwdev, REG_A_RXIQI, BIT_MASK_RXIQ_S1_X,
+ result[IQK_S1_RX_X]);
+ rtw_write32_mask(rtwdev, REG_A_RXIQI, BIT_MASK_RXIQ_S1_Y1,
+ BIT_SET_RXIQ_S1_Y1(result[IQK_S1_RX_Y]));
+ rtw_write32_mask(rtwdev, REG_RXIQK_MATRIX_LSB_11N, BIT_MASK_RXIQ_S1_Y2,
+ BIT_SET_RXIQ_S1_Y2(result[IQK_S1_RX_Y]));
+}
+
+static
+void rtw8723d_iqk_fill_s0_matrix(struct rtw_dev *rtwdev, const s32 result[])
+{
+ s32 oldval_0;
+ s32 x, y;
+ s32 tx0_a, tx0_a_ext;
+ s32 tx0_c, tx0_c_ext;
+
+ if (result[IQK_S0_TX_X] == 0)
+ return;
+
+ oldval_0 = rtw_read32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_D_S0);
+
+ x = iqkxy_to_s32(result[IQK_S0_TX_X]);
+ tx0_a = iqk_mult(x, oldval_0, &tx0_a_ext);
+
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_S0, tx0_a);
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_EXT_S0, tx0_a_ext);
+
+ y = iqkxy_to_s32(result[IQK_S0_TX_Y]);
+ tx0_c = iqk_mult(y, oldval_0, &tx0_c_ext);
+
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_S0, tx0_c);
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_EXT_S0, tx0_c_ext);
+
+ if (result[IQK_S0_RX_X] == 0)
+ return;
+
+ rtw_write32_mask(rtwdev, REG_RXIQ_AB_S0, BIT_MASK_RXIQ_X_S0,
+ result[IQK_S0_RX_X]);
+ rtw_write32_mask(rtwdev, REG_RXIQ_AB_S0, BIT_MASK_RXIQ_Y_S0,
+ result[IQK_S0_RX_Y]);
+}
+
+static void rtw8723d_iqk_path_adda_on(struct rtw_dev *rtwdev)
+{
+ int i;
+
+ for (i = 0; i < IQK_ADDA_REG_NUM; i++)
+ rtw_write32(rtwdev, iqk_adda_regs[i], 0x03c00016);
+}
+
+static void rtw8723d_iqk_config_mac(struct rtw_dev *rtwdev)
+{
+ rtw_write8(rtwdev, REG_TXPAUSE, 0xff);
+}
+
+static
+void rtw8723d_iqk_rf_standby(struct rtw_dev *rtwdev, enum rtw_rf_path path)
+{
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path-%s standby mode!\n",
+ path == RF_PATH_A ? "S1" : "S0");
+
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+ mdelay(1);
+ rtw_write_rf(rtwdev, path, RF_MODE, RFREG_MASK, 0x10000);
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, EN_IQK);
+}
+
+static
+bool rtw8723d_iqk_similarity_cmp(struct rtw_dev *rtwdev, s32 result[][IQK_NR],
+ u8 c1, u8 c2)
+{
+ u32 i, j, diff;
+ u32 bitmap = 0;
+ u8 candidate[PATH_NR] = {IQK_ROUND_INVALID, IQK_ROUND_INVALID};
+ bool ret = true;
+
+ s32 tmp1, tmp2;
+
+ for (i = 0; i < IQK_NR; i++) {
+ tmp1 = iqkxy_to_s32(result[c1][i]);
+ tmp2 = iqkxy_to_s32(result[c2][i]);
+
+ diff = abs(tmp1 - tmp2);
+
+ if (diff <= MAX_TOLERANCE)
+ continue;
+
+ if ((i == IQK_S1_RX_X || i == IQK_S0_RX_X) && !bitmap) {
+ if (result[c1][i] + result[c1][i + 1] == 0)
+ candidate[i / IQK_SX_NR] = c2;
+ else if (result[c2][i] + result[c2][i + 1] == 0)
+ candidate[i / IQK_SX_NR] = c1;
+ else
+ bitmap |= BIT(i);
+ } else {
+ bitmap |= BIT(i);
+ }
+ }
+
+ if (bitmap != 0)
+ goto check_sim;
+
+ for (i = 0; i < PATH_NR; i++) {
+ if (candidate[i] == IQK_ROUND_INVALID)
+ continue;
+
+ for (j = i * IQK_SX_NR; j < i * IQK_SX_NR + 2; j++)
+ result[IQK_ROUND_HYBRID][j] = result[candidate[i]][j];
+ ret = false;
+ }
+
+ return ret;
+
+check_sim:
+ for (i = 0; i < IQK_NR; i++) {
+ j = i & ~1; /* 2 bits are a pair for IQ[X, Y] */
+ if (bitmap & GENMASK(j + 1, j))
+ continue;
+
+ result[IQK_ROUND_HYBRID][i] = result[c1][i];
+ }
+
+ return false;
+}
+
+static
+void rtw8723d_iqk_precfg_path(struct rtw_dev *rtwdev, enum rtw8723d_path path)
+{
+ if (path == PATH_S0) {
+ rtw8723d_iqk_rf_standby(rtwdev, RF_PATH_A);
+ rtw8723d_iqk_path_adda_on(rtwdev);
+ }
+
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, EN_IQK);
+ rtw_write32(rtwdev, REG_TXIQK_11N, 0x01007c00);
+ rtw_write32(rtwdev, REG_RXIQK_11N, 0x01004800);
+
+ if (path == PATH_S1) {
+ rtw8723d_iqk_rf_standby(rtwdev, RF_PATH_B);
+ rtw8723d_iqk_path_adda_on(rtwdev);
+ }
+}
+
+static
+void rtw8723d_iqk_one_round(struct rtw_dev *rtwdev, s32 result[][IQK_NR], u8 t,
+ const struct iqk_backup_regs *backup)
+{
+ u32 i;
+ u8 s1_ok, s0_ok;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] IQ Calibration for 1T1R_S0/S1 for %d times\n", t);
+
+ rtw8723d_iqk_path_adda_on(rtwdev);
+ rtw8723d_iqk_config_mac(rtwdev);
+ rtw_write32_mask(rtwdev, REG_CCK_ANT_SEL_11N, 0x0f000000, 0xf);
+ rtw_write32(rtwdev, REG_BB_RX_PATH_11N, 0x03a05611);
+ rtw_write32(rtwdev, REG_TRMUX_11N, 0x000800e4);
+ rtw_write32(rtwdev, REG_BB_PWR_SAV1_11N, 0x25204200);
+ rtw8723d_iqk_precfg_path(rtwdev, PATH_S1);
+
+ for (i = 0; i < PATH_IQK_RETRY; i++) {
+ s1_ok = rtw8723d_iqk_tx_path(rtwdev, &iqk_tx_cfg[PATH_S1], backup);
+ if (s1_ok == IQK_TX_OK) {
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] path S1 Tx IQK Success!!\n");
+ result[t][IQK_S1_TX_X] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_TX, BIT_MASK_RES_TX);
+ result[t][IQK_S1_TX_Y] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_TY, BIT_MASK_RES_TY);
+ break;
+ }
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S1 Tx IQK Fail!!\n");
+ result[t][IQK_S1_TX_X] = 0x100;
+ result[t][IQK_S1_TX_Y] = 0x0;
+ }
+
+ for (i = 0; i < PATH_IQK_RETRY; i++) {
+ s1_ok = rtw8723d_iqk_rx_path(rtwdev, &iqk_tx_cfg[PATH_S1], backup);
+ if (s1_ok == (IQK_TX_OK | IQK_RX_OK)) {
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] path S1 Rx IQK Success!!\n");
+ result[t][IQK_S1_RX_X] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_RX, BIT_MASK_RES_RX);
+ result[t][IQK_S1_RX_Y] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_RY, BIT_MASK_RES_RY);
+ break;
+ }
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S1 Rx IQK Fail!!\n");
+ result[t][IQK_S1_RX_X] = 0x100;
+ result[t][IQK_S1_RX_Y] = 0x0;
+ }
+
+ if (s1_ok == 0x0)
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S1 IQK is failed!!\n");
+
+ rtw8723d_iqk_precfg_path(rtwdev, PATH_S0);
+
+ for (i = 0; i < PATH_IQK_RETRY; i++) {
+ s0_ok = rtw8723d_iqk_tx_path(rtwdev, &iqk_tx_cfg[PATH_S0], backup);
+ if (s0_ok == IQK_TX_OK) {
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] path S0 Tx IQK Success!!\n");
+ result[t][IQK_S0_TX_X] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_TX, BIT_MASK_RES_TX);
+ result[t][IQK_S0_TX_Y] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_TY, BIT_MASK_RES_TY);
+ break;
+ }
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S0 Tx IQK Fail!!\n");
+ result[t][IQK_S0_TX_X] = 0x100;
+ result[t][IQK_S0_TX_Y] = 0x0;
+ }
+
+ for (i = 0; i < PATH_IQK_RETRY; i++) {
+ s0_ok = rtw8723d_iqk_rx_path(rtwdev, &iqk_tx_cfg[PATH_S0], backup);
+ if (s0_ok == (IQK_TX_OK | IQK_RX_OK)) {
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] path S0 Rx IQK Success!!\n");
+
+ result[t][IQK_S0_RX_X] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_RX, BIT_MASK_RES_RX);
+ result[t][IQK_S0_RX_Y] =
+ rtw_read32_mask(rtwdev, REG_IQK_RES_RY, BIT_MASK_RES_RY);
+ break;
+ }
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S0 Rx IQK Fail!!\n");
+ result[t][IQK_S0_RX_X] = 0x100;
+ result[t][IQK_S0_RX_Y] = 0x0;
+ }
+
+ if (s0_ok == 0x0)
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] path S0 IQK is failed!!\n");
+
+ rtw_write32_mask(rtwdev, REG_FPGA0_IQK_11N, BIT_MASK_IQK_MOD, RST_IQK);
+ mdelay(1);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] back to BB mode, load original value!\n");
+}
+
+static void rtw8723d_phy_calibration(struct rtw_dev *rtwdev)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ s32 result[IQK_ROUND_SIZE][IQK_NR];
+ struct iqk_backup_regs backup;
+ u8 i, j;
+ u8 final_candidate = IQK_ROUND_INVALID;
+ bool good;
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] Start!!!\n");
+
+ memset(result, 0, sizeof(result));
+
+ rtw8723d_iqk_backup_path_ctrl(rtwdev, &backup);
+ rtw8723d_iqk_backup_lte_path_gnt(rtwdev, &backup);
+ rtw8723d_iqk_backup_regs(rtwdev, &backup);
+
+ for (i = IQK_ROUND_0; i <= IQK_ROUND_2; i++) {
+ rtw8723d_iqk_config_path_ctrl(rtwdev);
+ rtw8723d_iqk_config_lte_path_gnt(rtwdev);
+
+ rtw8723d_iqk_one_round(rtwdev, result, i, &backup);
+
+ if (i > IQK_ROUND_0)
+ rtw8723d_iqk_restore_regs(rtwdev, &backup);
+ rtw8723d_iqk_restore_lte_path_gnt(rtwdev, &backup);
+ rtw8723d_iqk_restore_path_ctrl(rtwdev, &backup);
+
+ for (j = IQK_ROUND_0; j < i; j++) {
+ good = rtw8723d_iqk_similarity_cmp(rtwdev, result, j, i);
+
+ if (good) {
+ final_candidate = j;
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] cmp %d:%d final_candidate is %x\n",
+ j, i, final_candidate);
+ goto iqk_done;
+ }
+ }
+ }
+
+ if (final_candidate == IQK_ROUND_INVALID) {
+ s32 reg_tmp = 0;
+
+ for (i = 0; i < IQK_NR; i++)
+ reg_tmp += result[IQK_ROUND_HYBRID][i];
+
+ if (reg_tmp != 0) {
+ final_candidate = IQK_ROUND_HYBRID;
+ } else {
+ WARN(1, "IQK is failed\n");
+ goto out;
+ }
+ }
+
+iqk_done:
+ rtw8723d_iqk_fill_s1_matrix(rtwdev, result[final_candidate]);
+ rtw8723d_iqk_fill_s0_matrix(rtwdev, result[final_candidate]);
+
+ dm_info->iqk.result.s1_x = result[final_candidate][IQK_S1_TX_X];
+ dm_info->iqk.result.s1_y = result[final_candidate][IQK_S1_TX_Y];
+ dm_info->iqk.result.s0_x = result[final_candidate][IQK_S0_TX_X];
+ dm_info->iqk.result.s0_y = result[final_candidate][IQK_S0_TX_Y];
+ dm_info->iqk.done = true;
+
+out:
+ rtw_write32(rtwdev, REG_BB_SEL_BTG, backup.bb_sel_btg);
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] final_candidate is %x\n",
+ final_candidate);
+
+ for (i = IQK_ROUND_0; i < IQK_ROUND_SIZE; i++)
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK] Result %u: rege94_s1=%x rege9c_s1=%x regea4_s1=%x regeac_s1=%x rege94_s0=%x rege9c_s0=%x regea4_s0=%x regeac_s0=%x %s\n",
+ i,
+ result[i][0], result[i][1], result[i][2], result[i][3],
+ result[i][4], result[i][5], result[i][6], result[i][7],
+ final_candidate == i ? "(final candidate)" : "");
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK]0xc80 = 0x%x 0xc94 = 0x%x 0xc14 = 0x%x 0xca0 = 0x%x\n",
+ rtw_read32(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE),
+ rtw_read32(rtwdev, REG_TXIQK_MATRIXA_LSB2_11N),
+ rtw_read32(rtwdev, REG_A_RXIQI),
+ rtw_read32(rtwdev, REG_RXIQK_MATRIX_LSB_11N));
+ rtw_dbg(rtwdev, RTW_DBG_RFK,
+ "[IQK]0xcd0 = 0x%x 0xcd4 = 0x%x 0xcd8 = 0x%x\n",
+ rtw_read32(rtwdev, REG_TXIQ_AB_S0),
+ rtw_read32(rtwdev, REG_TXIQ_CD_S0),
+ rtw_read32(rtwdev, REG_RXIQ_AB_S0));
+
+ rtw_dbg(rtwdev, RTW_DBG_RFK, "[IQK] finished\n");
+}
+
+/* for coex */
+static void rtw8723d_coex_cfg_init(struct rtw_dev *rtwdev)
+{
+ /* enable TBTT nterrupt */
+ rtw_write8_set(rtwdev, REG_BCN_CTRL, BIT_EN_BCN_FUNCTION);
+
+ /* BT report packet sample rate */
+ /* 0x790[5:0]=0x5 */
+ rtw_write8_set(rtwdev, REG_BT_TDMA_TIME, 0x05);
+
+ /* enable BT counter statistics */
+ rtw_write8(rtwdev, REG_BT_STAT_CTRL, 0x1);
+
+ /* enable PTA (3-wire function form BT side) */
+ rtw_write32_set(rtwdev, REG_GPIO_MUXCFG, BIT_BT_PTA_EN);
+ rtw_write32_set(rtwdev, REG_GPIO_MUXCFG, BIT_BT_AOD_GPIO3);
+
+ /* enable PTA (tx/rx signal form WiFi side) */
+ rtw_write8_set(rtwdev, REG_QUEUE_CTRL, BIT_PTA_WL_TX_EN);
+}
+
+static void rtw8723d_coex_cfg_gnt_fix(struct rtw_dev *rtwdev)
+{
+}
+
+static void rtw8723d_coex_cfg_gnt_debug(struct rtw_dev *rtwdev)
+{
+ rtw_write8_mask(rtwdev, REG_LEDCFG2, BIT(6), 0);
+ rtw_write8_mask(rtwdev, REG_PAD_CTRL1 + 3, BIT(0), 0);
+ rtw_write8_mask(rtwdev, REG_GPIO_INTM + 2, BIT(4), 0);
+ rtw_write8_mask(rtwdev, REG_GPIO_MUXCFG + 2, BIT(1), 0);
+ rtw_write8_mask(rtwdev, REG_PAD_CTRL1 + 3, BIT(1), 0);
+ rtw_write8_mask(rtwdev, REG_PAD_CTRL1 + 2, BIT(7), 0);
+ rtw_write8_mask(rtwdev, REG_SYS_CLKR + 1, BIT(1), 0);
+ rtw_write8_mask(rtwdev, REG_SYS_SDIO_CTRL + 3, BIT(3), 0);
+}
+
+static void rtw8723d_coex_cfg_rfe_type(struct rtw_dev *rtwdev)
+{
+ struct rtw_efuse *efuse = &rtwdev->efuse;
+ struct rtw_coex *coex = &rtwdev->coex;
+ struct rtw_coex_rfe *coex_rfe = &coex->rfe;
+ bool aux = efuse->bt_setting & BIT(6);
+
+ coex_rfe->rfe_module_type = rtwdev->efuse.rfe_option;
+ coex_rfe->ant_switch_polarity = 0;
+ coex_rfe->ant_switch_exist = false;
+ coex_rfe->ant_switch_with_bt = false;
+ coex_rfe->ant_switch_diversity = false;
+ coex_rfe->wlg_at_btg = true;
+
+ /* decide antenna at main or aux */
+ if (efuse->share_ant) {
+ if (aux)
+ rtw_write16(rtwdev, REG_BB_SEL_BTG, 0x80);
+ else
+ rtw_write16(rtwdev, REG_BB_SEL_BTG, 0x200);
+ } else {
+ if (aux)
+ rtw_write16(rtwdev, REG_BB_SEL_BTG, 0x280);
+ else
+ rtw_write16(rtwdev, REG_BB_SEL_BTG, 0x0);
+ }
+
+ /* disable LTE coex in wifi side */
+ rtw_coex_write_indirect_reg(rtwdev, LTE_COEX_CTRL, BIT_LTE_COEX_EN, 0x0);
+ rtw_coex_write_indirect_reg(rtwdev, LTE_WL_TRX_CTRL, MASKLWORD, 0xffff);
+ rtw_coex_write_indirect_reg(rtwdev, LTE_BT_TRX_CTRL, MASKLWORD, 0xffff);
+}
+
+static void rtw8723d_coex_cfg_wl_tx_power(struct rtw_dev *rtwdev, u8 wl_pwr)
+{
+ struct rtw_coex *coex = &rtwdev->coex;
+ struct rtw_coex_dm *coex_dm = &coex->dm;
+ static const u8 wl_tx_power[] = {0xb2, 0x90};
+ u8 pwr;
+
+ if (wl_pwr == coex_dm->cur_wl_pwr_lvl)
+ return;
+
+ coex_dm->cur_wl_pwr_lvl = wl_pwr;
+
+ if (coex_dm->cur_wl_pwr_lvl >= ARRAY_SIZE(wl_tx_power))
+ coex_dm->cur_wl_pwr_lvl = ARRAY_SIZE(wl_tx_power) - 1;
+
+ pwr = wl_tx_power[coex_dm->cur_wl_pwr_lvl];
+
+ rtw_write8(rtwdev, REG_ANA_PARAM1 + 3, pwr);
+}
+
+static void rtw8723d_coex_cfg_wl_rx_gain(struct rtw_dev *rtwdev, bool low_gain)
+{
+ struct rtw_coex *coex = &rtwdev->coex;
+ struct rtw_coex_dm *coex_dm = &coex->dm;
+ /* WL Rx Low gain on */
+ static const u32 wl_rx_low_gain_on[] = {
+ 0xec120101, 0xeb130101, 0xce140101, 0xcd150101, 0xcc160101,
+ 0xcb170101, 0xca180101, 0x8d190101, 0x8c1a0101, 0x8b1b0101,
+ 0x4f1c0101, 0x4e1d0101, 0x4d1e0101, 0x4c1f0101, 0x0e200101,
+ 0x0d210101, 0x0c220101, 0x0b230101, 0xcf240001, 0xce250001,
+ 0xcd260001, 0xcc270001, 0x8f280001
+ };
+ /* WL Rx Low gain off */
+ static const u32 wl_rx_low_gain_off[] = {
+ 0xec120101, 0xeb130101, 0xea140101, 0xe9150101, 0xe8160101,
+ 0xe7170101, 0xe6180101, 0xe5190101, 0xe41a0101, 0xe31b0101,
+ 0xe21c0101, 0xe11d0101, 0xe01e0101, 0x861f0101, 0x85200101,
+ 0x84210101, 0x83220101, 0x82230101, 0x81240101, 0x80250101,
+ 0x44260101, 0x43270101, 0x42280101
+ };
+ u8 i;
+
+ if (low_gain == coex_dm->cur_wl_rx_low_gain_en)
+ return;
+
+ coex_dm->cur_wl_rx_low_gain_en = low_gain;
+
+ if (coex_dm->cur_wl_rx_low_gain_en) {
+ for (i = 0; i < ARRAY_SIZE(wl_rx_low_gain_on); i++)
+ rtw_write32(rtwdev, REG_AGCRSSI, wl_rx_low_gain_on[i]);
+ } else {
+ for (i = 0; i < ARRAY_SIZE(wl_rx_low_gain_off); i++)
+ rtw_write32(rtwdev, REG_AGCRSSI, wl_rx_low_gain_off[i]);
+ }
+}
+
+static u8 rtw8723d_pwrtrack_get_limit_ofdm(struct rtw_dev *rtwdev)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ u8 tx_rate = dm_info->tx_rate;
+ u8 limit_ofdm = 30;
+
+ switch (tx_rate) {
+ case DESC_RATE1M...DESC_RATE5_5M:
+ case DESC_RATE11M:
+ break;
+ case DESC_RATE6M...DESC_RATE48M:
+ limit_ofdm = 36;
+ break;
+ case DESC_RATE54M:
+ limit_ofdm = 34;
+ break;
+ case DESC_RATEMCS0...DESC_RATEMCS2:
+ limit_ofdm = 38;
+ break;
+ case DESC_RATEMCS3...DESC_RATEMCS4:
+ limit_ofdm = 36;
+ break;
+ case DESC_RATEMCS5...DESC_RATEMCS7:
+ limit_ofdm = 34;
+ break;
+ default:
+ rtw_warn(rtwdev, "pwrtrack unhandled tx_rate 0x%x\n", tx_rate);
+ break;
+ }
+
+ return limit_ofdm;
+}
+
+static void rtw8723d_set_iqk_matrix_by_result(struct rtw_dev *rtwdev,
+ u32 ofdm_swing, u8 rf_path)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ s32 ele_A, ele_D, ele_C;
+ s32 ele_A_ext, ele_C_ext, ele_D_ext;
+ s32 iqk_result_x;
+ s32 iqk_result_y;
+ s32 value32;
+
+ switch (rf_path) {
+ default:
+ case RF_PATH_A:
+ iqk_result_x = dm_info->iqk.result.s1_x;
+ iqk_result_y = dm_info->iqk.result.s1_y;
+ break;
+ case RF_PATH_B:
+ iqk_result_x = dm_info->iqk.result.s0_x;
+ iqk_result_y = dm_info->iqk.result.s0_y;
+ break;
+ }
+
+ /* new element D */
+ ele_D = OFDM_SWING_D(ofdm_swing);
+ iqk_mult(iqk_result_x, ele_D, &ele_D_ext);
+ /* new element A */
+ iqk_result_x = iqkxy_to_s32(iqk_result_x);
+ ele_A = iqk_mult(iqk_result_x, ele_D, &ele_A_ext);
+ /* new element C */
+ iqk_result_y = iqkxy_to_s32(iqk_result_y);
+ ele_C = iqk_mult(iqk_result_y, ele_D, &ele_C_ext);
+
+ switch (rf_path) {
+ case RF_PATH_A:
+ default:
+ /* write new elements A, C, D, and element B is always 0 */
+ value32 = BIT_SET_TXIQ_ELM_ACD(ele_A, ele_C, ele_D);
+ rtw_write32(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE, value32);
+ value32 = BIT_SET_TXIQ_ELM_C1(ele_C);
+ rtw_write32_mask(rtwdev, REG_TXIQK_MATRIXA_LSB2_11N, MASKH4BITS,
+ value32);
+ value32 = rtw_read32(rtwdev, REG_OFDM_0_ECCA_THRESHOLD);
+ value32 &= ~BIT_MASK_OFDM0_EXTS;
+ value32 |= BIT_SET_OFDM0_EXTS(ele_A_ext, ele_C_ext, ele_D_ext);
+ rtw_write32(rtwdev, REG_OFDM_0_ECCA_THRESHOLD, value32);
+ break;
+
+ case RF_PATH_B:
+ /* write new elements A, C, D, and element B is always 0 */
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_D_S0, ele_D);
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_S0, ele_C);
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_S0, ele_A);
+
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_D_EXT_S0,
+ ele_D_ext);
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_EXT_S0,
+ ele_A_ext);
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_EXT_S0,
+ ele_C_ext);
+ break;
+ }
+}
+
+static void rtw8723d_set_iqk_matrix(struct rtw_dev *rtwdev, s8 ofdm_index,
+ u8 rf_path)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ s32 value32;
+ u32 ofdm_swing;
+
+ if (ofdm_index >= RTW_OFDM_SWING_TABLE_SIZE)
+ ofdm_index = RTW_OFDM_SWING_TABLE_SIZE - 1;
+ else if (ofdm_index < 0)
+ ofdm_index = 0;
+
+ ofdm_swing = rtw8723d_ofdm_swing_table[ofdm_index];
+
+ if (dm_info->iqk.done) {
+ rtw8723d_set_iqk_matrix_by_result(rtwdev, ofdm_swing, rf_path);
+ return;
+ }
+
+ switch (rf_path) {
+ case RF_PATH_A:
+ default:
+ rtw_write32(rtwdev, REG_OFDM_0_XA_TX_IQ_IMBALANCE, ofdm_swing);
+ rtw_write32_mask(rtwdev, REG_TXIQK_MATRIXA_LSB2_11N, MASKH4BITS,
+ 0x00);
+ value32 = rtw_read32(rtwdev, REG_OFDM_0_ECCA_THRESHOLD);
+ value32 &= ~BIT_MASK_OFDM0_EXTS;
+ rtw_write32(rtwdev, REG_OFDM_0_ECCA_THRESHOLD, value32);
+ break;
+
+ case RF_PATH_B:
+ /* image S1:c80 to S0:Cd0 and Cd4 */
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_S0,
+ OFDM_SWING_A(ofdm_swing));
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_B_S0,
+ OFDM_SWING_B(ofdm_swing));
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_S0,
+ OFDM_SWING_C(ofdm_swing));
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_D_S0,
+ OFDM_SWING_D(ofdm_swing));
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_D_EXT_S0, 0x0);
+ rtw_write32_mask(rtwdev, REG_TXIQ_CD_S0, BIT_MASK_TXIQ_C_EXT_S0, 0x0);
+ rtw_write32_mask(rtwdev, REG_TXIQ_AB_S0, BIT_MASK_TXIQ_A_EXT_S0, 0x0);
+ break;
+ }
+}
+
+static void rtw8723d_pwrtrack_set_ofdm_pwr(struct rtw_dev *rtwdev, s8 swing_idx,
+ s8 txagc_idx)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+
+ dm_info->txagc_remnant_ofdm = txagc_idx;
+
+ rtw8723d_set_iqk_matrix(rtwdev, swing_idx, RF_PATH_A);
+ rtw8723d_set_iqk_matrix(rtwdev, swing_idx, RF_PATH_B);
+}
+
+static void rtw8723d_pwrtrack_set_cck_pwr(struct rtw_dev *rtwdev, s8 swing_idx,
+ s8 txagc_idx)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+
+ dm_info->txagc_remnant_cck = txagc_idx;
+
+ rtw_write32_mask(rtwdev, 0xab4, 0x000007FF,
+ rtw8723d_cck_swing_table[swing_idx]);
+}
+
+static void rtw8723d_pwrtrack_set(struct rtw_dev *rtwdev, u8 path)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ struct rtw_hal *hal = &rtwdev->hal;
+ u8 limit_ofdm;
+ u8 limit_cck = 40;
+ s8 final_ofdm_swing_index;
+ s8 final_cck_swing_index;
+
+ limit_ofdm = rtw8723d_pwrtrack_get_limit_ofdm(rtwdev);
+
+ final_ofdm_swing_index = RTW_DEF_OFDM_SWING_INDEX +
+ dm_info->delta_power_index[path];
+ final_cck_swing_index = RTW_DEF_CCK_SWING_INDEX +
+ dm_info->delta_power_index[path];
+
+ if (final_ofdm_swing_index > limit_ofdm)
+ rtw8723d_pwrtrack_set_ofdm_pwr(rtwdev, limit_ofdm,
+ final_ofdm_swing_index - limit_ofdm);
+ else if (final_ofdm_swing_index < 0)
+ rtw8723d_pwrtrack_set_ofdm_pwr(rtwdev, 0,
+ final_ofdm_swing_index);
+ else
+ rtw8723d_pwrtrack_set_ofdm_pwr(rtwdev, final_ofdm_swing_index, 0);
+
+ if (final_cck_swing_index > limit_cck)
+ rtw8723d_pwrtrack_set_cck_pwr(rtwdev, limit_cck,
+ final_cck_swing_index - limit_cck);
+ else if (final_cck_swing_index < 0)
+ rtw8723d_pwrtrack_set_cck_pwr(rtwdev, 0,
+ final_cck_swing_index);
+ else
+ rtw8723d_pwrtrack_set_cck_pwr(rtwdev, final_cck_swing_index, 0);
+
+ rtw_phy_set_tx_power_level(rtwdev, hal->current_channel);
+}
+
+static void rtw8723d_pwrtrack_set_xtal(struct rtw_dev *rtwdev, u8 therm_path,
+ u8 delta)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ const struct rtw_pwr_track_tbl *tbl = rtwdev->chip->pwr_track_tbl;
+ const s8 *pwrtrk_xtal;
+ s8 xtal_cap;
+
+ if (dm_info->thermal_avg[therm_path] >
+ rtwdev->efuse.thermal_meter[therm_path])
+ pwrtrk_xtal = tbl->pwrtrk_xtal_p;
+ else
+ pwrtrk_xtal = tbl->pwrtrk_xtal_n;
+
+ xtal_cap = rtwdev->efuse.crystal_cap & 0x3F;
+ xtal_cap = clamp_t(s8, xtal_cap + pwrtrk_xtal[delta], 0, 0x3F);
+ rtw_write32_mask(rtwdev, REG_AFE_CTRL3, BIT_MASK_XTAL,
+ xtal_cap | (xtal_cap << 6));
+}
+
+static void rtw8723d_phy_pwrtrack(struct rtw_dev *rtwdev)
+{
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+ struct rtw_swing_table swing_table;
+ u8 thermal_value, delta, path;
+ bool do_iqk = false;
+
+ rtw_phy_config_swing_table(rtwdev, &swing_table);
+
+ if (rtwdev->efuse.thermal_meter[0] == 0xff)
+ return;
+
+ thermal_value = rtw_read_rf(rtwdev, RF_PATH_A, RF_T_METER, 0xfc00);
+
+ rtw_phy_pwrtrack_avg(rtwdev, thermal_value, RF_PATH_A);
+
+ do_iqk = rtw_phy_pwrtrack_need_iqk(rtwdev);
+
+ if (do_iqk)
+ rtw8723d_lck(rtwdev);
+
+ if (dm_info->pwr_trk_init_trigger)
+ dm_info->pwr_trk_init_trigger = false;
+ else if (!rtw_phy_pwrtrack_thermal_changed(rtwdev, thermal_value,
+ RF_PATH_A))
+ goto iqk;
+
+ delta = rtw_phy_pwrtrack_get_delta(rtwdev, RF_PATH_A);
+
+ delta = min_t(u8, delta, RTW_PWR_TRK_TBL_SZ - 1);
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ s8 delta_cur, delta_last;
+
+ delta_last = dm_info->delta_power_index[path];
+ delta_cur = rtw_phy_pwrtrack_get_pwridx(rtwdev, &swing_table,
+ path, RF_PATH_A, delta);
+ if (delta_last == delta_cur)
+ continue;
+
+ dm_info->delta_power_index[path] = delta_cur;
+ rtw8723d_pwrtrack_set(rtwdev, path);
+ }
+
+ rtw8723d_pwrtrack_set_xtal(rtwdev, RF_PATH_A, delta);
+
+iqk:
+ if (do_iqk)
+ rtw8723d_phy_calibration(rtwdev);
+}
+
+static void rtw8723d_pwr_track(struct rtw_dev *rtwdev)
+{
+ struct rtw_efuse *efuse = &rtwdev->efuse;
+ struct rtw_dm_info *dm_info = &rtwdev->dm_info;
+
+ if (efuse->power_track_type != 0)
+ return;
+
+ if (!dm_info->pwr_trk_triggered) {
+ rtw_write_rf(rtwdev, RF_PATH_A, RF_T_METER,
+ GENMASK(17, 16), 0x03);
+ dm_info->pwr_trk_triggered = true;
+ return;
+ }
+
+ rtw8723d_phy_pwrtrack(rtwdev);
+ dm_info->pwr_trk_triggered = false;
+}
+
+static struct rtw_chip_ops rtw8723d_ops = {
+ .phy_set_param = rtw8723d_phy_set_param,
+ .read_efuse = rtw8723d_read_efuse,
+ .query_rx_desc = rtw8723d_query_rx_desc,
+ .set_channel = rtw8723d_set_channel,
+ .mac_init = rtw8723d_mac_init,
+ .shutdown = rtw8723d_shutdown,
+ .read_rf = rtw_phy_read_rf_sipi,
+ .write_rf = rtw_phy_write_rf_reg_sipi,
+ .set_tx_power_index = rtw8723d_set_tx_power_index,
+ .set_antenna = NULL,
+ .cfg_ldo25 = rtw8723d_cfg_ldo25,
+ .efuse_grant = rtw8723d_efuse_grant,
+ .false_alarm_statistics = rtw8723d_false_alarm_statistics,
+ .phy_calibration = rtw8723d_phy_calibration,
+ .pwr_track = rtw8723d_pwr_track,
+ .config_bfee = NULL,
+ .set_gid_table = NULL,
+ .cfg_csi_rate = NULL,
+
+ .coex_set_init = rtw8723d_coex_cfg_init,
+ .coex_set_ant_switch = NULL,
+ .coex_set_gnt_fix = rtw8723d_coex_cfg_gnt_fix,
+ .coex_set_gnt_debug = rtw8723d_coex_cfg_gnt_debug,
+ .coex_set_rfe_type = rtw8723d_coex_cfg_rfe_type,
+ .coex_set_wl_tx_power = rtw8723d_coex_cfg_wl_tx_power,
+ .coex_set_wl_rx_gain = rtw8723d_coex_cfg_wl_rx_gain,
+};
+
+/* Shared-Antenna Coex Table */
+static const struct coex_table_para table_sant_8723d[] = {
+ {0xffffffff, 0xffffffff}, /* case-0 */
+ {0x55555555, 0x55555555},
+ {0x65555555, 0x65555555},
+ {0xaaaaaaaa, 0xaaaaaaaa},
+ {0x5a5a5a5a, 0x5a5a5a5a},
+ {0xfafafafa, 0xfafafafa}, /* case-5 */
+ {0xa5555555, 0xaaaa5aaa},
+ {0x6a5a5a5a, 0x5a5a5a5a},
+ {0x6a5a5a5a, 0x6a5a5a5a},
+ {0x65555555, 0x5a5a5a5a},
+ {0x65555555, 0x6a5a5a5a}, /* case-10 */
+ {0x65555555, 0xfafafafa},
+ {0x65555555, 0x6a5a5aaa},
+ {0x65555555, 0x5aaa5aaa},
+ {0x65555555, 0xaaaa5aaa},
+ {0x65555555, 0xaaaaaaaa}, /* case-15 */
+ {0xffff55ff, 0xfafafafa},
+ {0xffff55ff, 0x6afa5afa},
+ {0xaaffffaa, 0xfafafafa},
+ {0xaa5555aa, 0x5a5a5a5a},
+ {0xaa5555aa, 0x6a5a5a5a}, /* case-20 */
+ {0xaa5555aa, 0xaaaaaaaa},
+ {0xffffffff, 0x5a5a5a5a},
+ {0xffffffff, 0x6a5a5a5a},
+ {0xffffffff, 0x55555555},
+ {0xffffffff, 0x6a5a5aaa}, /* case-25 */
+ {0x55555555, 0x5a5a5a5a},
+ {0x55555555, 0xaaaaaaaa},
+ {0x55555555, 0x6a6a6a6a},
+ {0x656a656a, 0x656a656a}
+};
+
+/* Non-Shared-Antenna Coex Table */
+static const struct coex_table_para table_nsant_8723d[] = {
+ {0xffffffff, 0xffffffff}, /* case-100 */
+ {0x55555555, 0x55555555},
+ {0x65555555, 0x65555555},
+ {0xaaaaaaaa, 0xaaaaaaaa},
+ {0x5a5a5a5a, 0x5a5a5a5a},
+ {0xfafafafa, 0xfafafafa}, /* case-105 */
+ {0x5afa5afa, 0x5afa5afa},
+ {0x55555555, 0xfafafafa},
+ {0x65555555, 0xfafafafa},
+ {0x65555555, 0x5a5a5a5a},
+ {0x65555555, 0x6a5a5a5a}, /* case-110 */
+ {0x65555555, 0xaaaaaaaa},
+ {0xffff55ff, 0xfafafafa},
+ {0xffff55ff, 0x5afa5afa},
+ {0xffff55ff, 0xaaaaaaaa},
+ {0xaaffffaa, 0xfafafafa}, /* case-115 */
+ {0xaaffffaa, 0x5afa5afa},
+ {0xaaffffaa, 0xaaaaaaaa},
+ {0xffffffff, 0xfafafafa},
+ {0xffffffff, 0x5afa5afa},
+ {0xffffffff, 0xaaaaaaaa},/* case-120 */
+ {0x55ff55ff, 0x5afa5afa},
+ {0x55ff55ff, 0xaaaaaaaa},
+ {0x55ff55ff, 0x55ff55ff}
+};
+
+/* Shared-Antenna TDMA */
+static const struct coex_tdma_para tdma_sant_8723d[] = {
+ { {0x08, 0x00, 0x00, 0x00, 0x00} }, /* case-0 */
+ { {0x61, 0x45, 0x03, 0x11, 0x11} }, /* case-1 */
+ { {0x61, 0x3a, 0x03, 0x11, 0x11} },
+ { {0x61, 0x20, 0x03, 0x11, 0x11} },
+ { {0x61, 0x30, 0x03, 0x11, 0x11} },
+ { {0x61, 0x10, 0x03, 0x11, 0x11} }, /* case-5 */
+ { {0x61, 0x48, 0x03, 0x11, 0x10} },
+ { {0x61, 0x3a, 0x03, 0x11, 0x10} },
+ { {0x61, 0x30, 0x03, 0x11, 0x10} },
+ { {0x61, 0x20, 0x03, 0x11, 0x10} },
+ { {0x61, 0x10, 0x03, 0x11, 0x10} }, /* case-10 */
+ { {0x61, 0x10, 0x03, 0x11, 0x14} },
+ { {0x61, 0x08, 0x03, 0x10, 0x14} },
+ { {0x51, 0x10, 0x03, 0x10, 0x54} },
+ { {0x51, 0x10, 0x03, 0x10, 0x55} },
+ { {0x51, 0x10, 0x07, 0x10, 0x54} }, /* case-15 */
+ { {0x51, 0x45, 0x03, 0x10, 0x50} },
+ { {0x51, 0x3a, 0x03, 0x10, 0x50} },
+ { {0x51, 0x30, 0x03, 0x10, 0x50} },
+ { {0x51, 0x20, 0x03, 0x10, 0x50} },
+ { {0x51, 0x15, 0x03, 0x10, 0x50} }, /* case-20 */
+ { {0x51, 0x4a, 0x03, 0x10, 0x50} },
+ { {0x51, 0x0c, 0x03, 0x10, 0x54} },
+ { {0x55, 0x08, 0x03, 0x10, 0x54} },
+ { {0x65, 0x10, 0x03, 0x11, 0x11} },
+ { {0x51, 0x10, 0x03, 0x10, 0x51} },
+ { {0x61, 0x15, 0x03, 0x11, 0x10} }
+};
+
+/* Non-Shared-Antenna TDMA */
+static const struct coex_tdma_para tdma_nsant_8723d[] = {
+ { {0x00, 0x00, 0x00, 0x40, 0x01} }, /* case-100 */
+ { {0x61, 0x45, 0x03, 0x11, 0x11} }, /* case-101 */
+ { {0x61, 0x3a, 0x03, 0x11, 0x11} },
+ { {0x61, 0x30, 0x03, 0x11, 0x11} },
+ { {0x61, 0x20, 0x03, 0x11, 0x11} },
+ { {0x61, 0x10, 0x03, 0x11, 0x11} }, /* case-105 */
+ { {0x61, 0x45, 0x03, 0x11, 0x10} },
+ { {0x61, 0x3a, 0x03, 0x11, 0x10} },
+ { {0x61, 0x30, 0x03, 0x11, 0x10} },
+ { {0x61, 0x20, 0x03, 0x11, 0x10} },
+ { {0x61, 0x10, 0x03, 0x11, 0x10} }, /* case-110 */
+ { {0x61, 0x08, 0x03, 0x11, 0x14} },
+ { {0x61, 0x08, 0x03, 0x10, 0x14} },
+ { {0x51, 0x08, 0x03, 0x10, 0x54} },
+ { {0x51, 0x08, 0x03, 0x10, 0x55} },
+ { {0x51, 0x08, 0x07, 0x10, 0x54} }, /* case-115 */
+ { {0x51, 0x45, 0x03, 0x10, 0x50} },
+ { {0x51, 0x3a, 0x03, 0x10, 0x50} },
+ { {0x51, 0x30, 0x03, 0x10, 0x50} },
+ { {0x51, 0x20, 0x03, 0x10, 0x50} },
+ { {0x51, 0x10, 0x03, 0x10, 0x50} }, /* case-120 */
+ { {0x51, 0x08, 0x03, 0x10, 0x50} },
+};
+
+/* rssi in percentage % (dbm = % - 100) */
+static const u8 wl_rssi_step_8723d[] = {60, 50, 44, 30};
+static const u8 bt_rssi_step_8723d[] = {30, 30, 30, 30};
+static const struct coex_5g_afh_map afh_5g_8723d[] = { {0, 0, 0} };
+
+static const struct rtw_hw_reg btg_reg_8723d = {
+ .addr = REG_BTG_SEL, .mask = BIT_MASK_BTG_WL,
+};
+
+/* wl_tx_dec_power, bt_tx_dec_power, wl_rx_gain, bt_rx_lna_constrain */
+static const struct coex_rf_para rf_para_tx_8723d[] = {
+ {0, 0, false, 7}, /* for normal */
+ {0, 10, false, 7}, /* for WL-CPT */
+ {1, 0, true, 4},
+ {1, 2, true, 4},
+ {1, 10, true, 4},
+ {1, 15, true, 4}
+};
+
+static const struct coex_rf_para rf_para_rx_8723d[] = {
+ {0, 0, false, 7}, /* for normal */
+ {0, 10, false, 7}, /* for WL-CPT */
+ {1, 0, true, 5},
+ {1, 2, true, 5},
+ {1, 10, true, 5},
+ {1, 15, true, 5}
+};
+
+static const struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8723d[] = {
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(3) | BIT(7), 0},
+ {0x0086,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_SDIO,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x0086,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_SDIO,
+ RTW_PWR_CMD_POLLING, BIT(1), BIT(1)},
+ {0x004A,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(3) | BIT(4), 0},
+ {0x0023,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(4), 0},
+ {0x0301,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_act_8723d[] = {
+ {0x0020,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0001,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_DELAY, 1, RTW_PWR_DELAY_MS},
+ {0x0000,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(5), 0},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, (BIT(4) | BIT(3) | BIT(2)), 0},
+ {0x0075,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0006,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, BIT(1), BIT(1)},
+ {0x0075,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x0006,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, (BIT(1) | BIT(0)), 0},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(7), 0},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, (BIT(4) | BIT(3)), 0},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, BIT(0), 0},
+ {0x0010,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(6), BIT(6)},
+ {0x0049,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), BIT(1)},
+ {0x0063,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), BIT(1)},
+ {0x0062,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), 0},
+ {0x0058,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x005A,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), BIT(1)},
+ {0x0068,
+ RTW_PWR_CUT_TEST_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(3), BIT(3)},
+ {0x0069,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(6), BIT(6)},
+ {0x001f,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x00},
+ {0x0077,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x00},
+ {0x001f,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x07},
+ {0x0077,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x07},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd *card_enable_flow_8723d[] = {
+ trans_carddis_to_cardemu_8723d,
+ trans_cardemu_to_act_8723d,
+ NULL
+};
+
+static const struct rtw_pwr_seq_cmd trans_act_to_lps_8723d[] = {
+ {0x0301,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0xFF},
+ {0x0522,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0xFF},
+ {0x05F8,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, 0xFF, 0},
+ {0x05F9,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, 0xFF, 0},
+ {0x05FA,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, 0xFF, 0},
+ {0x05FB,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, 0xFF, 0},
+ {0x0002,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x0002,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_DELAY, 0, RTW_PWR_DELAY_US},
+ {0x0002,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), 0},
+ {0x0100,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x03},
+ {0x0101,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), 0},
+ {0x0093,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x00},
+ {0x0553,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(5), BIT(5)},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd trans_act_to_pre_carddis_8723d[] = {
+ {0x0003,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(2), 0},
+ {0x0080,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd trans_act_to_cardemu_8723d[] = {
+ {0x0002,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x0049,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), 0},
+ {0x0006,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(1), BIT(1)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_POLLING, BIT(1), 0},
+ {0x0010,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(6), 0},
+ {0x0000,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(5), BIT(5)},
+ {0x0020,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd trans_cardemu_to_carddis_8723d[] = {
+ {0x0007,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x20},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK | RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(3) | BIT(4), BIT(3)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(2), BIT(2)},
+ {0x0005,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_PCI_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(3) | BIT(4), BIT(3) | BIT(4)},
+ {0x004A,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_USB_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 1},
+ {0x0023,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(4), BIT(4)},
+ {0x0086,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_SDIO,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x0086,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_SDIO_MSK,
+ RTW_PWR_ADDR_SDIO,
+ RTW_PWR_CMD_POLLING, BIT(1), 0},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd trans_act_to_post_carddis_8723d[] = {
+ {0x001D,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), 0},
+ {0x001D,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, BIT(0), BIT(0)},
+ {0x001C,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ RTW_PWR_ADDR_MAC,
+ RTW_PWR_CMD_WRITE, 0xFF, 0x0E},
+ {0xFFFF,
+ RTW_PWR_CUT_ALL_MSK,
+ RTW_PWR_INTF_ALL_MSK,
+ 0,
+ RTW_PWR_CMD_END, 0, 0},
+};
+
+static const struct rtw_pwr_seq_cmd *card_disable_flow_8723d[] = {
+ trans_act_to_lps_8723d,
+ trans_act_to_pre_carddis_8723d,
+ trans_act_to_cardemu_8723d,
+ trans_cardemu_to_carddis_8723d,
+ trans_act_to_post_carddis_8723d,
+ NULL
+};
+
+static const struct rtw_page_table page_table_8723d[] = {
+ {12, 2, 2, 0, 1},
+ {12, 2, 2, 0, 1},
+ {12, 2, 2, 0, 1},
+ {12, 2, 2, 0, 1},
+ {12, 2, 2, 0, 1},
+};
+
+static const struct rtw_rqpn rqpn_table_8723d[] = {
+ {RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+ RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+ RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+ {RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+ RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+ RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+ {RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+ RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_HIGH,
+ RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
+ {RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+ RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+ RTW_DMA_MAPPING_HIGH, RTW_DMA_MAPPING_HIGH},
+ {RTW_DMA_MAPPING_NORMAL, RTW_DMA_MAPPING_NORMAL,
+ RTW_DMA_MAPPING_LOW, RTW_DMA_MAPPING_LOW,
+ RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
+};
+
+static const struct rtw_prioq_addrs prioq_addrs_8723d = {
+ .prio[RTW_DMA_MAPPING_EXTRA] = {
+ .rsvd = REG_RQPN_NPQ + 2, .avail = REG_RQPN_NPQ + 3,
+ },
+ .prio[RTW_DMA_MAPPING_LOW] = {
+ .rsvd = REG_RQPN + 1, .avail = REG_FIFOPAGE_CTRL_2 + 1,
+ },
+ .prio[RTW_DMA_MAPPING_NORMAL] = {
+ .rsvd = REG_RQPN_NPQ, .avail = REG_RQPN_NPQ + 1,
+ },
+ .prio[RTW_DMA_MAPPING_HIGH] = {
+ .rsvd = REG_RQPN, .avail = REG_FIFOPAGE_CTRL_2,
+ },
+ .wsize = false,
+};
+
+static const struct rtw_intf_phy_para pcie_gen1_param_8723d[] = {
+ {0x0008, 0x4a22,
+ RTW_IP_SEL_PHY,
+ RTW_INTF_PHY_CUT_ALL,
+ RTW_INTF_PHY_PLATFORM_ALL},
+ {0x0009, 0x1000,
+ RTW_IP_SEL_PHY,
+ ~(RTW_INTF_PHY_CUT_A | RTW_INTF_PHY_CUT_B),
+ RTW_INTF_PHY_PLATFORM_ALL},
+ {0xFFFF, 0x0000,
+ RTW_IP_SEL_PHY,
+ RTW_INTF_PHY_CUT_ALL,
+ RTW_INTF_PHY_PLATFORM_ALL},
+};
+
+static const struct rtw_intf_phy_para_table phy_para_table_8723d = {
+ .gen1_para = pcie_gen1_param_8723d,
+ .n_gen1_para = ARRAY_SIZE(pcie_gen1_param_8723d),
+};
+
+static const struct rtw_hw_reg rtw8723d_dig[] = {
+ [0] = { .addr = 0xc50, .mask = 0x7f },
+ [1] = { .addr = 0xc50, .mask = 0x7f },
+};
+
+static const struct rtw_hw_reg rtw8723d_dig_cck[] = {
+ [0] = { .addr = 0xa0c, .mask = 0x3f00 },
+};
+
+static const struct rtw_rf_sipi_addr rtw8723d_rf_sipi_addr[] = {
+ [RF_PATH_A] = { .hssi_1 = 0x820, .lssi_read = 0x8a0,
+ .hssi_2 = 0x824, .lssi_read_pi = 0x8b8},
+ [RF_PATH_B] = { .hssi_1 = 0x828, .lssi_read = 0x8a4,
+ .hssi_2 = 0x82c, .lssi_read_pi = 0x8bc},
+};
+
+static const struct rtw_ltecoex_addr rtw8723d_ltecoex_addr = {
+ .ctrl = REG_LTECOEX_CTRL,
+ .wdata = REG_LTECOEX_WRITE_DATA,
+ .rdata = REG_LTECOEX_READ_DATA,
+};
+
+static const struct rtw_rfe_def rtw8723d_rfe_defs[] = {
+ [0] = { .phy_pg_tbl = &rtw8723d_bb_pg_tbl,
+ .txpwr_lmt_tbl = &rtw8723d_txpwr_lmt_tbl,},
+};
+
+static const u8 rtw8723d_pwrtrk_2gb_n[] = {
+ 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5,
+ 6, 6, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10
+};
+
+static const u8 rtw8723d_pwrtrk_2gb_p[] = {
+ 0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7,
+ 7, 8, 8, 8, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+static const u8 rtw8723d_pwrtrk_2ga_n[] = {
+ 0, 0, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 5,
+ 6, 6, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10
+};
+
+static const u8 rtw8723d_pwrtrk_2ga_p[] = {
+ 0, 0, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7,
+ 7, 8, 8, 8, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10
+};
+
+static const u8 rtw8723d_pwrtrk_2g_cck_b_n[] = {
+ 0, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
+ 6, 7, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 11, 11, 11
+};
+
+static const u8 rtw8723d_pwrtrk_2g_cck_b_p[] = {
+ 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7,
+ 7, 8, 9, 9, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11
+};
+
+static const u8 rtw8723d_pwrtrk_2g_cck_a_n[] = {
+ 0, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
+ 6, 7, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 11, 11, 11
+};
+
+static const u8 rtw8723d_pwrtrk_2g_cck_a_p[] = {
+ 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7,
+ 7, 8, 9, 9, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11
+};
+
+static const s8 rtw8723d_pwrtrk_xtal_n[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
+static const s8 rtw8723d_pwrtrk_xtal_p[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, -10, -12, -14, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16
+};
+
+static const struct rtw_pwr_track_tbl rtw8723d_rtw_pwr_track_tbl = {
+ .pwrtrk_2gb_n = rtw8723d_pwrtrk_2gb_n,
+ .pwrtrk_2gb_p = rtw8723d_pwrtrk_2gb_p,
+ .pwrtrk_2ga_n = rtw8723d_pwrtrk_2ga_n,
+ .pwrtrk_2ga_p = rtw8723d_pwrtrk_2ga_p,
+ .pwrtrk_2g_cckb_n = rtw8723d_pwrtrk_2g_cck_b_n,
+ .pwrtrk_2g_cckb_p = rtw8723d_pwrtrk_2g_cck_b_p,
+ .pwrtrk_2g_ccka_n = rtw8723d_pwrtrk_2g_cck_a_n,
+ .pwrtrk_2g_ccka_p = rtw8723d_pwrtrk_2g_cck_a_p,
+ .pwrtrk_xtal_p = rtw8723d_pwrtrk_xtal_p,
+ .pwrtrk_xtal_n = rtw8723d_pwrtrk_xtal_n,
+};
+
+static const struct rtw_reg_domain coex_info_hw_regs_8723d[] = {
+ {0x948, MASKDWORD, RTW_REG_DOMAIN_MAC32},
+ {0x67, BIT(7), RTW_REG_DOMAIN_MAC8},
+ {0, 0, RTW_REG_DOMAIN_NL},
+ {0x964, BIT(1), RTW_REG_DOMAIN_MAC8},
+ {0x864, BIT(0), RTW_REG_DOMAIN_MAC8},
+ {0xab7, BIT(5), RTW_REG_DOMAIN_MAC8},
+ {0xa01, BIT(7), RTW_REG_DOMAIN_MAC8},
+ {0, 0, RTW_REG_DOMAIN_NL},
+ {0x430, MASKDWORD, RTW_REG_DOMAIN_MAC32},
+ {0x434, MASKDWORD, RTW_REG_DOMAIN_MAC32},
+ {0x42a, MASKLWORD, RTW_REG_DOMAIN_MAC16},
+ {0x426, MASKBYTE0, RTW_REG_DOMAIN_MAC8},
+ {0x45e, BIT(3), RTW_REG_DOMAIN_MAC8},
+ {0, 0, RTW_REG_DOMAIN_NL},
+ {0x4c6, BIT(4), RTW_REG_DOMAIN_MAC8},
+ {0x40, BIT(5), RTW_REG_DOMAIN_MAC8},
+ {0x550, MASKDWORD, RTW_REG_DOMAIN_MAC32},
+ {0x522, MASKBYTE0, RTW_REG_DOMAIN_MAC8},
+ {0x953, BIT(1), RTW_REG_DOMAIN_MAC8},
+};
+
+struct rtw_chip_info rtw8723d_hw_spec = {
+ .ops = &rtw8723d_ops,
+ .id = RTW_CHIP_TYPE_8723D,
+ .fw_name = "rtw88/rtw8723d_fw.bin",
+ .wlan_cpu = RTW_WCPU_11N,
+ .tx_pkt_desc_sz = 40,
+ .tx_buf_desc_sz = 16,
+ .rx_pkt_desc_sz = 24,
+ .rx_buf_desc_sz = 8,
+ .phy_efuse_size = 512,
+ .log_efuse_size = 512,
+ .ptct_efuse_size = 96 + 1,
+ .txff_size = 32768,
+ .rxff_size = 16384,
+ .txgi_factor = 1,
+ .is_pwr_by_rate_dec = true,
+ .max_power_index = 0x3f,
+ .csi_buf_pg_num = 0,
+ .band = RTW_BAND_2G,
+ .page_size = 128,
+ .dig_min = 0x20,
+ .ht_supported = true,
+ .vht_supported = false,
+ .lps_deep_mode_supported = 0,
+ .sys_func_en = 0xFD,
+ .pwr_on_seq = card_enable_flow_8723d,
+ .pwr_off_seq = card_disable_flow_8723d,
+ .page_table = page_table_8723d,
+ .rqpn_table = rqpn_table_8723d,
+ .prioq_addrs = &prioq_addrs_8723d,
+ .intf_table = &phy_para_table_8723d,
+ .dig = rtw8723d_dig,
+ .dig_cck = rtw8723d_dig_cck,
+ .rf_sipi_addr = {0x840, 0x844},
+ .rf_sipi_read_addr = rtw8723d_rf_sipi_addr,
+ .fix_rf_phy_num = 2,
+ .ltecoex_addr = &rtw8723d_ltecoex_addr,
+ .mac_tbl = &rtw8723d_mac_tbl,
+ .agc_tbl = &rtw8723d_agc_tbl,
+ .bb_tbl = &rtw8723d_bb_tbl,
+ .rf_tbl = {&rtw8723d_rf_a_tbl},
+ .rfe_defs = rtw8723d_rfe_defs,
+ .rfe_defs_size = ARRAY_SIZE(rtw8723d_rfe_defs),
+ .rx_ldpc = false,
+ .pwr_track_tbl = &rtw8723d_rtw_pwr_track_tbl,
+ .iqk_threshold = 8,
+
+ .coex_para_ver = 0x1905302f,
+ .bt_desired_ver = 0x2f,
+ .scbd_support = true,
+ .new_scbd10_def = true,
+ .pstdma_type = COEX_PSTDMA_FORCE_LPSOFF,
+ .bt_rssi_type = COEX_BTRSSI_RATIO,
+ .ant_isolation = 15,
+ .rssi_tolerance = 2,
+ .wl_rssi_step = wl_rssi_step_8723d,
+ .bt_rssi_step = bt_rssi_step_8723d,
+ .table_sant_num = ARRAY_SIZE(table_sant_8723d),
+ .table_sant = table_sant_8723d,
+ .table_nsant_num = ARRAY_SIZE(table_nsant_8723d),
+ .table_nsant = table_nsant_8723d,
+ .tdma_sant_num = ARRAY_SIZE(tdma_sant_8723d),
+ .tdma_sant = tdma_sant_8723d,
+ .tdma_nsant_num = ARRAY_SIZE(tdma_nsant_8723d),
+ .tdma_nsant = tdma_nsant_8723d,
+ .wl_rf_para_num = ARRAY_SIZE(rf_para_tx_8723d),
+ .wl_rf_para_tx = rf_para_tx_8723d,
+ .wl_rf_para_rx = rf_para_rx_8723d,
+ .bt_afh_span_bw20 = 0x20,
+ .bt_afh_span_bw40 = 0x30,
+ .afh_5g_num = ARRAY_SIZE(afh_5g_8723d),
+ .afh_5g = afh_5g_8723d,
+ .btg_reg = &btg_reg_8723d,
+
+ .coex_info_hw_regs_num = ARRAY_SIZE(coex_info_hw_regs_8723d),
+ .coex_info_hw_regs = coex_info_hw_regs_8723d,
+};
+EXPORT_SYMBOL(rtw8723d_hw_spec);
+
+MODULE_FIRMWARE("rtw88/rtw8723d_fw.bin");
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11n wireless 8723d driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.h b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
new file mode 100644
index 000000000000..7894d321cd7e
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.h
@@ -0,0 +1,283 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW8723D_H__
+#define __RTW8723D_H__
+
+enum rtw8723d_path {
+ PATH_S1,
+ PATH_S0,
+ PATH_NR,
+};
+
+enum rtw8723d_iqk_round {
+ IQK_ROUND_0,
+ IQK_ROUND_1,
+ IQK_ROUND_2,
+ IQK_ROUND_HYBRID,
+ IQK_ROUND_SIZE,
+ IQK_ROUND_INVALID = 0xff,
+};
+
+enum rtw8723d_iqk_result {
+ IQK_S1_TX_X,
+ IQK_S1_TX_Y,
+ IQK_S1_RX_X,
+ IQK_S1_RX_Y,
+ IQK_S0_TX_X,
+ IQK_S0_TX_Y,
+ IQK_S0_RX_X,
+ IQK_S0_RX_Y,
+ IQK_NR,
+ IQK_SX_NR = IQK_NR / PATH_NR,
+};
+
+struct rtw8723de_efuse {
+ u8 mac_addr[ETH_ALEN]; /* 0xd0 */
+ u8 vender_id[2];
+ u8 device_id[2];
+ u8 sub_vender_id[2];
+ u8 sub_device_id[2];
+};
+
+struct rtw8723d_efuse {
+ __le16 rtl_id;
+ u8 rsvd[2];
+ u8 afe;
+ u8 rsvd1[11];
+
+ /* power index for four RF paths */
+ struct rtw_txpwr_idx txpwr_idx_table[4];
+
+ u8 channel_plan; /* 0xb8 */
+ u8 xtal_k;
+ u8 thermal_meter;
+ u8 iqk_lck;
+ u8 pa_type; /* 0xbc */
+ u8 lna_type_2g[2]; /* 0xbd */
+ u8 lna_type_5g[2];
+ u8 rf_board_option;
+ u8 rf_feature_option;
+ u8 rf_bt_setting;
+ u8 eeprom_version;
+ u8 eeprom_customer_id;
+ u8 tx_bb_swing_setting_2g;
+ u8 res_c7;
+ u8 tx_pwr_calibrate_rate;
+ u8 rf_antenna_option; /* 0xc9 */
+ u8 rfe_option;
+ u8 country_code[2];
+ u8 res[3];
+ struct rtw8723de_efuse e;
+};
+
+/* phy status page0 */
+#define GET_PHY_STAT_P0_PWDB(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x00), GENMASK(15, 8))
+
+/* phy status page1 */
+#define GET_PHY_STAT_P1_PWDB_A(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x00), GENMASK(15, 8))
+#define GET_PHY_STAT_P1_PWDB_B(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x00), GENMASK(23, 16))
+#define GET_PHY_STAT_P1_RF_MODE(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x03), GENMASK(29, 28))
+#define GET_PHY_STAT_P1_L_RXSC(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x01), GENMASK(11, 8))
+#define GET_PHY_STAT_P1_HT_RXSC(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x01), GENMASK(15, 12))
+#define GET_PHY_STAT_P1_RXEVM_A(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x04), GENMASK(7, 0))
+#define GET_PHY_STAT_P1_CFO_TAIL_A(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x05), GENMASK(7, 0))
+#define GET_PHY_STAT_P1_RXSNR_A(phy_stat) \
+ le32_get_bits(*((__le32 *)(phy_stat) + 0x06), GENMASK(7, 0))
+
+static inline s32 iqkxy_to_s32(s32 val)
+{
+ /* val is Q10.8 */
+ return sign_extend32(val, 9);
+}
+
+static inline s32 iqk_mult(s32 x, s32 y, s32 *ext)
+{
+ /* x, y and return value are Q10.8 */
+ s32 t;
+
+ t = x * y;
+ if (ext)
+ *ext = (t >> 7) & 0x1; /* Q.16 --> Q.9; get LSB of Q.9 */
+
+ return (t >> 8); /* Q.16 --> Q.8 */
+}
+
+#define OFDM_SWING_A(swing) FIELD_GET(GENMASK(9, 0), swing)
+#define OFDM_SWING_B(swing) FIELD_GET(GENMASK(15, 10), swing)
+#define OFDM_SWING_C(swing) FIELD_GET(GENMASK(21, 16), swing)
+#define OFDM_SWING_D(swing) FIELD_GET(GENMASK(31, 22), swing)
+#define RTW_DEF_OFDM_SWING_INDEX 28
+#define RTW_DEF_CCK_SWING_INDEX 28
+
+#define MAX_TOLERANCE 5
+#define IQK_TX_X_ERR 0x142
+#define IQK_TX_Y_ERR 0x42
+#define IQK_RX_X_UPPER 0x11a
+#define IQK_RX_X_LOWER 0xe6
+#define IQK_RX_Y_LMT 0x1a
+#define IQK_TX_OK BIT(0)
+#define IQK_RX_OK BIT(1)
+#define PATH_IQK_RETRY 2
+
+#define SPUR_THRES 0x16
+#define CCK_DFIR_NR 3
+#define DIS_3WIRE 0xccf000c0
+#define EN_3WIRE 0xccc000c0
+#define START_PSD 0x400000
+#define FREQ_CH13 0xfccd
+#define FREQ_CH14 0xff9a
+#define RFCFGCH_CHANNEL_MASK GENMASK(7, 0)
+#define RFCFGCH_BW_MASK (BIT(11) | BIT(10))
+#define RFCFGCH_BW_20M (BIT(11) | BIT(10))
+#define RFCFGCH_BW_40M BIT(10)
+#define BIT_MASK_RFMOD BIT(0)
+#define BIT_LCK BIT(15)
+
+#define REG_GPIO_INTM 0x0048
+#define REG_BTG_SEL 0x0067
+#define BIT_MASK_BTG_WL BIT(7)
+#define REG_LTECOEX_PATH_CONTROL 0x0070
+#define REG_LTECOEX_CTRL 0x07c0
+#define REG_LTECOEX_WRITE_DATA 0x07c4
+#define REG_LTECOEX_READ_DATA 0x07c8
+#define REG_PSDFN 0x0808
+#define REG_BB_PWR_SAV1_11N 0x0874
+#define REG_ANA_PARAM1 0x0880
+#define REG_ANALOG_P4 0x088c
+#define REG_PSDRPT 0x08b4
+#define REG_FPGA1_RFMOD 0x0900
+#define REG_BB_SEL_BTG 0x0948
+#define REG_BBRX_DFIR 0x0954
+#define BIT_MASK_RXBB_DFIR GENMASK(27, 24)
+#define BIT_RXBB_DFIR_EN BIT(19)
+#define REG_CCK0_SYS 0x0a00
+#define BIT_CCK_SIDE_BAND BIT(4)
+#define REG_CCK_ANT_SEL_11N 0x0a04
+#define REG_CCK_FA_RST_11N 0x0a2c
+#define BIT_MASK_CCK_CNT_KEEP BIT(12)
+#define BIT_MASK_CCK_CNT_EN BIT(13)
+#define BIT_MASK_CCK_CNT_KPEN (BIT_MASK_CCK_CNT_KEEP | BIT_MASK_CCK_CNT_EN)
+#define BIT_MASK_CCK_FA_KEEP BIT(14)
+#define BIT_MASK_CCK_FA_EN BIT(15)
+#define BIT_MASK_CCK_FA_KPEN (BIT_MASK_CCK_FA_KEEP | BIT_MASK_CCK_FA_EN)
+#define REG_CCK_FA_LSB_11N 0x0a5c
+#define REG_CCK_FA_MSB_11N 0x0a58
+#define REG_CCK_CCA_CNT_11N 0x0a60
+#define BIT_MASK_CCK_FA_MSB GENMASK(7, 0)
+#define BIT_MASK_CCK_FA_LSB GENMASK(15, 8)
+#define REG_OFDM_FA_HOLDC_11N 0x0c00
+#define BIT_MASK_OFDM_FA_KEEP BIT(31)
+#define REG_BB_RX_PATH_11N 0x0c04
+#define REG_TRMUX_11N 0x0c08
+#define REG_OFDM_FA_RSTC_11N 0x0c0c
+#define BIT_MASK_OFDM_FA_RST BIT(31)
+#define REG_A_RXIQI 0x0c14
+#define BIT_MASK_RXIQ_S1_X 0x000003FF
+#define BIT_MASK_RXIQ_S1_Y1 0x0000FC00
+#define BIT_SET_RXIQ_S1_Y1(y) ((y) & 0x3F)
+#define REG_OFDM0_RXDSP 0x0c40
+#define BIT_MASK_RXDSP GENMASK(28, 24)
+#define BIT_EN_RXDSP BIT(9)
+#define REG_OFDM_0_ECCA_THRESHOLD 0x0c4c
+#define BIT_MASK_OFDM0_EXT_A BIT(31)
+#define BIT_MASK_OFDM0_EXT_C BIT(29)
+#define BIT_MASK_OFDM0_EXTS (BIT(31) | BIT(29) | BIT(28))
+#define BIT_SET_OFDM0_EXTS(a, c, d) (((a) << 31) | ((c) << 29) | ((d) << 28))
+#define REG_OFDM0_XAAGC1 0x0c50
+#define REG_OFDM0_XBAGC1 0x0c58
+#define REG_AGCRSSI 0x0c78
+#define REG_OFDM_0_XA_TX_IQ_IMBALANCE 0x0c80
+#define BIT_MASK_TXIQ_ELM_A 0x03ff
+#define BIT_SET_TXIQ_ELM_ACD(a, c, d) (((d) << 22) | (((c) & 0x3F) << 16) | \
+ ((a) & 0x03ff))
+#define BIT_MASK_TXIQ_ELM_C GENMASK(21, 16)
+#define BIT_SET_TXIQ_ELM_C2(c) ((c) & 0x3F)
+#define BIT_MASK_TXIQ_ELM_D GENMASK(31, 22)
+#define REG_TXIQK_MATRIXA_LSB2_11N 0x0c94
+#define BIT_SET_TXIQ_ELM_C1(c) (((c) & 0x000003C0) >> 6)
+#define REG_RXIQK_MATRIX_LSB_11N 0x0ca0
+#define BIT_MASK_RXIQ_S1_Y2 0xF0000000
+#define BIT_SET_RXIQ_S1_Y2(y) (((y) >> 6) & 0xF)
+#define REG_TXIQ_AB_S0 0x0cd0
+#define BIT_MASK_TXIQ_A_S0 0x000007FE
+#define BIT_MASK_TXIQ_A_EXT_S0 BIT(0)
+#define BIT_MASK_TXIQ_B_S0 0x0007E000
+#define REG_TXIQ_CD_S0 0x0cd4
+#define BIT_MASK_TXIQ_C_S0 0x000007FE
+#define BIT_MASK_TXIQ_C_EXT_S0 BIT(0)
+#define BIT_MASK_TXIQ_D_S0 GENMASK(22, 13)
+#define BIT_MASK_TXIQ_D_EXT_S0 BIT(12)
+#define REG_RXIQ_AB_S0 0x0cd8
+#define BIT_MASK_RXIQ_X_S0 0x000003FF
+#define BIT_MASK_RXIQ_Y_S0 0x003FF000
+#define REG_OFDM_FA_TYPE1_11N 0x0cf0
+#define BIT_MASK_OFDM_FF_CNT GENMASK(15, 0)
+#define BIT_MASK_OFDM_SF_CNT GENMASK(31, 16)
+#define REG_OFDM_FA_RSTD_11N 0x0d00
+#define BIT_MASK_OFDM_FA_RST1 BIT(27)
+#define BIT_MASK_OFDM_FA_KEEP1 BIT(31)
+#define REG_CTX 0x0d03
+#define BIT_MASK_CTX_TYPE GENMASK(6, 4)
+#define REG_OFDM1_CFOTRK 0x0d2c
+#define BIT_EN_CFOTRK BIT(28)
+#define REG_OFDM1_CSI1 0x0d40
+#define REG_OFDM1_CSI2 0x0d44
+#define REG_OFDM1_CSI3 0x0d48
+#define REG_OFDM1_CSI4 0x0d4c
+#define REG_OFDM_FA_TYPE2_11N 0x0da0
+#define BIT_MASK_OFDM_CCA_CNT GENMASK(15, 0)
+#define BIT_MASK_OFDM_PF_CNT GENMASK(31, 16)
+#define REG_OFDM_FA_TYPE3_11N 0x0da4
+#define BIT_MASK_OFDM_RI_CNT GENMASK(15, 0)
+#define BIT_MASK_OFDM_CRC_CNT GENMASK(31, 16)
+#define REG_OFDM_FA_TYPE4_11N 0x0da8
+#define BIT_MASK_OFDM_MNS_CNT GENMASK(15, 0)
+#define REG_FPGA0_IQK_11N 0x0e28
+#define BIT_MASK_IQK_MOD 0xffffff00
+#define EN_IQK 0x808000
+#define RST_IQK 0x000000
+#define REG_TXIQK_TONE_A_11N 0x0e30
+#define REG_RXIQK_TONE_A_11N 0x0e34
+#define REG_TXIQK_PI_A_11N 0x0e38
+#define REG_RXIQK_PI_A_11N 0x0e3c
+#define REG_TXIQK_11N 0x0e40
+#define BIT_SET_TXIQK_11N(x, y) (0x80007C00 | ((x) << 16) | (y))
+#define REG_RXIQK_11N 0x0e44
+#define REG_IQK_AGC_PTS_11N 0x0e48
+#define REG_IQK_AGC_RSP_11N 0x0e4c
+#define REG_TX_IQK_TONE_B 0x0e50
+#define REG_RX_IQK_TONE_B 0x0e54
+#define REG_IQK_RES_TX 0x0e94
+#define BIT_MASK_RES_TX GENMASK(25, 16)
+#define REG_IQK_RES_TY 0x0e9c
+#define BIT_MASK_RES_TY GENMASK(25, 16)
+#define REG_IQK_RES_RX 0x0ea4
+#define BIT_MASK_RES_RX GENMASK(25, 16)
+#define REG_IQK_RES_RY 0x0eac
+#define BIT_IQK_TX_FAIL BIT(28)
+#define BIT_IQK_RX_FAIL BIT(27)
+#define BIT_IQK_DONE BIT(26)
+#define BIT_MASK_RES_RY GENMASK(25, 16)
+#define REG_PAGE_F_RST_11N 0x0f14
+#define BIT_MASK_F_RST_ALL BIT(16)
+#define REG_IGI_C_11N 0x0f84
+#define REG_IGI_D_11N 0x0f88
+#define REG_HT_CRC32_CNT_11N 0x0f90
+#define BIT_MASK_HT_CRC_OK GENMASK(15, 0)
+#define BIT_MASK_HT_CRC_ERR GENMASK(31, 16)
+#define REG_OFDM_CRC32_CNT_11N 0x0f94
+#define BIT_MASK_OFDM_LCRC_OK GENMASK(15, 0)
+#define BIT_MASK_OFDM_LCRC_ERR GENMASK(31, 16)
+#define REG_HT_CRC32_CNT_11N_AGG 0x0fb8
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d_table.c b/drivers/net/wireless/realtek/rtw88/rtw8723d_table.c
new file mode 100644
index 000000000000..27a22b392df0
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d_table.c
@@ -0,0 +1,1196 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include "main.h"
+#include "phy.h"
+#include "rtw8723d_table.h"
+
+static const u32 rtw8723d_mac[] = {
+ 0x020, 0x00000013,
+ 0x02F, 0x00000010,
+ 0x077, 0x00000007,
+ 0x421, 0x0000000F,
+ 0x428, 0x0000000A,
+ 0x429, 0x00000010,
+ 0x430, 0x00000000,
+ 0x431, 0x00000000,
+ 0x432, 0x00000000,
+ 0x433, 0x00000001,
+ 0x434, 0x00000002,
+ 0x435, 0x00000003,
+ 0x436, 0x00000005,
+ 0x437, 0x00000007,
+ 0x438, 0x00000000,
+ 0x439, 0x00000000,
+ 0x43A, 0x00000000,
+ 0x43B, 0x00000001,
+ 0x43C, 0x00000002,
+ 0x43D, 0x00000003,
+ 0x43E, 0x00000005,
+ 0x43F, 0x00000007,
+ 0x440, 0x0000005D,
+ 0x441, 0x00000001,
+ 0x442, 0x00000000,
+ 0x444, 0x00000010,
+ 0x445, 0x00000000,
+ 0x446, 0x00000000,
+ 0x447, 0x00000000,
+ 0x448, 0x00000000,
+ 0x449, 0x000000F0,
+ 0x44A, 0x0000000F,
+ 0x44B, 0x0000003E,
+ 0x44C, 0x00000010,
+ 0x44D, 0x00000000,
+ 0x44E, 0x00000000,
+ 0x44F, 0x00000000,
+ 0x450, 0x00000000,
+ 0x451, 0x000000F0,
+ 0x452, 0x0000000F,
+ 0x453, 0x00000000,
+ 0x456, 0x0000005E,
+ 0x460, 0x00000066,
+ 0x461, 0x00000066,
+ 0x4C8, 0x000000FF,
+ 0x4C9, 0x00000008,
+ 0x4CC, 0x000000FF,
+ 0x4CD, 0x000000FF,
+ 0x4CE, 0x00000001,
+ 0x500, 0x00000026,
+ 0x501, 0x000000A2,
+ 0x502, 0x0000002F,
+ 0x503, 0x00000000,
+ 0x504, 0x00000028,
+ 0x505, 0x000000A3,
+ 0x506, 0x0000005E,
+ 0x507, 0x00000000,
+ 0x508, 0x0000002B,
+ 0x509, 0x000000A4,
+ 0x50A, 0x0000005E,
+ 0x50B, 0x00000000,
+ 0x50C, 0x0000004F,
+ 0x50D, 0x000000A4,
+ 0x50E, 0x00000000,
+ 0x50F, 0x00000000,
+ 0x512, 0x0000001C,
+ 0x514, 0x0000000A,
+ 0x516, 0x0000000A,
+ 0x525, 0x0000004F,
+ 0x550, 0x00000010,
+ 0x551, 0x00000010,
+ 0x559, 0x00000002,
+ 0x55C, 0x00000028,
+ 0x55D, 0x000000FF,
+ 0x605, 0x00000030,
+ 0x608, 0x0000000E,
+ 0x609, 0x0000002A,
+ 0x620, 0x000000FF,
+ 0x621, 0x000000FF,
+ 0x622, 0x000000FF,
+ 0x623, 0x000000FF,
+ 0x624, 0x000000FF,
+ 0x625, 0x000000FF,
+ 0x626, 0x000000FF,
+ 0x627, 0x000000FF,
+ 0x638, 0x00000028,
+ 0x63C, 0x0000000A,
+ 0x63D, 0x0000000A,
+ 0x63E, 0x0000000C,
+ 0x63F, 0x0000000C,
+ 0x640, 0x00000040,
+ 0x642, 0x00000040,
+ 0x643, 0x00000000,
+ 0x652, 0x000000C8,
+ 0x66A, 0x000000B0,
+ 0x66E, 0x00000005,
+ 0x700, 0x00000021,
+ 0x701, 0x00000043,
+ 0x702, 0x00000065,
+ 0x703, 0x00000087,
+ 0x708, 0x00000021,
+ 0x709, 0x00000043,
+ 0x70A, 0x00000065,
+ 0x70B, 0x00000087,
+ 0x765, 0x00000018,
+ 0x76E, 0x00000004,
+ 0x7C0, 0x00000038,
+ 0x7C2, 0x0000000F,
+ 0x7C3, 0x000000C0,
+ 0x073, 0x00000004,
+ 0x7C4, 0x00000077,
+ 0x07C, 0x00000003,
+ 0x016, 0x000000B3,
+};
+
+RTW_DECL_TABLE_PHY_COND(rtw8723d_mac, rtw_phy_cfg_mac);
+
+static const u32 rtw8723d_agc[] = {
+ 0xC78, 0xFE000101,
+ 0xC78, 0xFD010101,
+ 0xC78, 0xFC020101,
+ 0xC78, 0xFB030101,
+ 0xC78, 0xFA040101,
+ 0xC78, 0xF9050101,
+ 0xC78, 0xF8060101,
+ 0xC78, 0xF7070101,
+ 0xC78, 0xF6080101,
+ 0xC78, 0xF5090101,
+ 0xC78, 0xF40A0101,
+ 0xC78, 0xF30B0101,
+ 0xC78, 0xF20C0101,
+ 0xC78, 0xF10D0101,
+ 0xC78, 0xF00E0101,
+ 0xC78, 0xEF0F0101,
+ 0xC78, 0xEE100101,
+ 0xC78, 0xED110101,
+ 0xC78, 0xEC120101,
+ 0xC78, 0xEB130101,
+ 0xC78, 0xEA140101,
+ 0xC78, 0xE9150101,
+ 0xC78, 0xE8160101,
+ 0xC78, 0xE7170101,
+ 0xC78, 0xE6180101,
+ 0xC78, 0xE5190101,
+ 0xC78, 0xE41A0101,
+ 0xC78, 0xE31B0101,
+ 0xC78, 0xE21C0101,
+ 0xC78, 0xE11D0101,
+ 0xC78, 0xE01E0101,
+ 0xC78, 0x861F0101,
+ 0xC78, 0x85200101,
+ 0xC78, 0x84210101,
+ 0xC78, 0x83220101,
+ 0xC78, 0x82230101,
+ 0xC78, 0x81240101,
+ 0xC78, 0x80250101,
+ 0xC78, 0x44260101,
+ 0xC78, 0x43270101,
+ 0xC78, 0x42280101,
+ 0xC78, 0x41290101,
+ 0xC78, 0x402A0101,
+ 0xC78, 0x022B0101,
+ 0xC78, 0x012C0101,
+ 0xC78, 0x002D0101,
+ 0xC78, 0xC52E0001,
+ 0xC78, 0xC42F0001,
+ 0xC78, 0xC3300001,
+ 0xC78, 0xC2310001,
+ 0xC78, 0xC1320001,
+ 0xC78, 0xC0330001,
+ 0xC78, 0x04340001,
+ 0xC78, 0x03350001,
+ 0xC78, 0x02360001,
+ 0xC78, 0x01370001,
+ 0xC78, 0x00380001,
+ 0xC78, 0x00390001,
+ 0xC78, 0x003A0001,
+ 0xC78, 0x003B0001,
+ 0xC78, 0x003C0001,
+ 0xC78, 0x003D0001,
+ 0xC78, 0x003E0001,
+ 0xC78, 0x003F0001,
+ 0xC78, 0x6F002001,
+ 0xC78, 0x6F012001,
+ 0xC78, 0x6F022001,
+ 0xC78, 0x6F032001,
+ 0xC78, 0x6F042001,
+ 0xC78, 0x6F052001,
+ 0xC78, 0x6F062001,
+ 0xC78, 0x6F072001,
+ 0xC78, 0x6F082001,
+ 0xC78, 0x6F092001,
+ 0xC78, 0x6F0A2001,
+ 0xC78, 0x6F0B2001,
+ 0xC78, 0x6F0C2001,
+ 0xC78, 0x6F0D2001,
+ 0xC78, 0x6F0E2001,
+ 0xC78, 0x6F0F2001,
+ 0xC78, 0x6F102001,
+ 0xC78, 0x6F112001,
+ 0xC78, 0x6F122001,
+ 0xC78, 0x6F132001,
+ 0xC78, 0x6F142001,
+ 0xC78, 0x6F152001,
+ 0xC78, 0x6F162001,
+ 0xC78, 0x6F172001,
+ 0xC78, 0x6F182001,
+ 0xC78, 0x6F192001,
+ 0xC78, 0x6F1A2001,
+ 0xC78, 0x6F1B2001,
+ 0xC78, 0x6F1C2001,
+ 0xC78, 0x6F1D2001,
+ 0xC78, 0x6F1E2001,
+ 0xC78, 0x6F1F2001,
+ 0xC78, 0x6F202001,
+ 0xC78, 0x6F212001,
+ 0xC78, 0x6F222001,
+ 0xC78, 0x6F232001,
+ 0xC78, 0x6E242001,
+ 0xC78, 0x6D252001,
+ 0xC78, 0x6C262001,
+ 0xC78, 0x6B272001,
+ 0xC78, 0x6A282001,
+ 0xC78, 0x69292001,
+ 0xC78, 0x4B2A2001,
+ 0xC78, 0x4A2B2001,
+ 0xC78, 0x492C2001,
+ 0xC78, 0x482D2001,
+ 0xC78, 0x472E2001,
+ 0xC78, 0x462F2001,
+ 0xC78, 0x45302001,
+ 0xC78, 0x44312001,
+ 0xC78, 0x43322001,
+ 0xC78, 0x42332001,
+ 0xC78, 0x41342001,
+ 0xC78, 0x40352001,
+ 0xC78, 0x02362001,
+ 0xC78, 0x01372001,
+ 0xC78, 0x00382001,
+ 0xC78, 0x00392001,
+ 0xC78, 0x003A2001,
+ 0xC78, 0x003B2001,
+ 0xC78, 0x003C2001,
+ 0xC78, 0x003D2001,
+ 0xC78, 0x003E2001,
+ 0xC78, 0x003F2001,
+ 0xC78, 0x7F003101,
+ 0xC78, 0x7F013101,
+ 0xC78, 0x7F023101,
+ 0xC78, 0x7F033101,
+ 0xC78, 0x7F043101,
+ 0xC78, 0x7F053101,
+ 0xC78, 0x7F063101,
+ 0xC78, 0x7F073101,
+ 0xC78, 0x7E083101,
+ 0xC78, 0x7D093101,
+ 0xC78, 0x7C0A3101,
+ 0xC78, 0x7B0B3101,
+ 0xC78, 0x7A0C3101,
+ 0xC78, 0x790D3101,
+ 0xC78, 0x780E3101,
+ 0xC78, 0x770F3101,
+ 0xC78, 0x76103101,
+ 0xC78, 0x75113101,
+ 0xC78, 0x74123101,
+ 0xC78, 0x73133101,
+ 0xC78, 0x72143101,
+ 0xC78, 0x71153101,
+ 0xC78, 0x70163101,
+ 0xC78, 0x6F173101,
+ 0xC78, 0x6E183101,
+ 0xC78, 0x6D193101,
+ 0xC78, 0x6C1A3101,
+ 0xC78, 0x6B1B3101,
+ 0xC78, 0x6A1C3101,
+ 0xC78, 0x691D3101,
+ 0xC78, 0x681E3101,
+ 0xC78, 0x4B1F3101,
+ 0xC78, 0x4A203101,
+ 0xC78, 0x49213101,
+ 0xC78, 0x48223101,
+ 0xC78, 0x47233101,
+ 0xC78, 0x46243101,
+ 0xC78, 0x45253101,
+ 0xC78, 0x44263101,
+ 0xC78, 0x43273101,
+ 0xC78, 0x42283101,
+ 0xC78, 0x41293101,
+ 0xC78, 0x402A3101,
+ 0xC78, 0x022B3101,
+ 0xC78, 0x012C3101,
+ 0xC78, 0x002D3101,
+ 0xC78, 0x002E3101,
+ 0xC78, 0x002F3101,
+ 0xC78, 0x00303101,
+ 0xC78, 0x00313101,
+ 0xC78, 0x00323101,
+ 0xC78, 0x00333101,
+ 0xC78, 0x00343101,
+ 0xC78, 0x00353101,
+ 0xC78, 0x00363101,
+ 0xC78, 0x00373101,
+ 0xC78, 0x00383101,
+ 0xC78, 0x00393101,
+ 0xC78, 0x003A3101,
+ 0xC78, 0x003B3101,
+ 0xC78, 0x003C3101,
+ 0xC78, 0x003D3101,
+ 0xC78, 0x003E3101,
+ 0xC78, 0x003F3101,
+ 0xC78, 0xFE403101,
+ 0xC78, 0xFD413101,
+ 0xC78, 0xFC423101,
+ 0xC78, 0xFB433101,
+ 0xC78, 0xFA443101,
+ 0xC78, 0xF9453101,
+ 0xC78, 0xF8463101,
+ 0xC78, 0xF7473101,
+ 0xC78, 0xF6483101,
+ 0xC78, 0xF5493101,
+ 0xC78, 0xF44A3101,
+ 0xC78, 0xF34B3101,
+ 0xC78, 0xF24C3101,
+ 0xC78, 0xF14D3101,
+ 0xC78, 0xF04E3101,
+ 0xC78, 0xEF4F3101,
+ 0xC78, 0xEE503101,
+ 0xC78, 0xED513101,
+ 0xC78, 0xEC523101,
+ 0xC78, 0xEB533101,
+ 0xC78, 0xEA543101,
+ 0xC78, 0xE9553101,
+ 0xC78, 0xE8563101,
+ 0xC78, 0xE7573101,
+ 0xC78, 0xE6583101,
+ 0xC78, 0xE5593101,
+ 0xC78, 0xE45A3101,
+ 0xC78, 0xE35B3101,
+ 0xC78, 0xE25C3101,
+ 0xC78, 0xE15D3101,
+ 0xC78, 0xE05E3101,
+ 0xC78, 0x865F3101,
+ 0xC78, 0x85603101,
+ 0xC78, 0x84613101,
+ 0xC78, 0x83623101,
+ 0xC78, 0x82633101,
+ 0xC78, 0x81643101,
+ 0xC78, 0x80653101,
+ 0xC78, 0x80663101,
+ 0xC78, 0x80673101,
+ 0xC78, 0x80683101,
+ 0xC78, 0x80693101,
+ 0xC78, 0x806A3101,
+ 0xC78, 0x806B3101,
+ 0xC78, 0x806C3101,
+ 0xC78, 0x806D3101,
+ 0xC78, 0x806E3101,
+ 0xC78, 0x806F3101,
+ 0xC78, 0x80703101,
+ 0xC78, 0x80713101,
+ 0xC78, 0x80723101,
+ 0xC78, 0x80733101,
+ 0xC78, 0x80743101,
+ 0xC78, 0x80753101,
+ 0xC78, 0x80763101,
+ 0xC78, 0x80773101,
+ 0xC78, 0x80783101,
+ 0xC78, 0x80793101,
+ 0xC78, 0x807A3101,
+ 0xC78, 0x807B3101,
+ 0xC78, 0x807C3101,
+ 0xC78, 0x807D3101,
+ 0xC78, 0x807E3101,
+ 0xC78, 0x807F3101,
+ 0xC78, 0xEF402001,
+ 0xC78, 0xEF412001,
+ 0xC78, 0xEF422001,
+ 0xC78, 0xEF432001,
+ 0xC78, 0xEF442001,
+ 0xC78, 0xEF452001,
+ 0xC78, 0xEF462001,
+ 0xC78, 0xEF472001,
+ 0xC78, 0xEF482001,
+ 0xC78, 0xEF492001,
+ 0xC78, 0xEF4A2001,
+ 0xC78, 0xEF4B2001,
+ 0xC78, 0xEF4C2001,
+ 0xC78, 0xEF4D2001,
+ 0xC78, 0xEF4E2001,
+ 0xC78, 0xEF4F2001,
+ 0xC78, 0xEF502001,
+ 0xC78, 0xEF512001,
+ 0xC78, 0xEF522001,
+ 0xC78, 0xEF532001,
+ 0xC78, 0xEF542001,
+ 0xC78, 0xEF552001,
+ 0xC78, 0xEF562001,
+ 0xC78, 0xEF572001,
+ 0xC78, 0xEF582001,
+ 0xC78, 0xEF592001,
+ 0xC78, 0xEF5A2001,
+ 0xC78, 0xEF5B2001,
+ 0xC78, 0xEF5C2001,
+ 0xC78, 0xEF5D2001,
+ 0xC78, 0xEF5E2001,
+ 0xC78, 0xEF5F2001,
+ 0xC78, 0xEF602001,
+ 0xC78, 0xEE612001,
+ 0xC78, 0xED622001,
+ 0xC78, 0xEC632001,
+ 0xC78, 0xEB642001,
+ 0xC78, 0xEA652001,
+ 0xC78, 0xE9662001,
+ 0xC78, 0xE8672001,
+ 0xC78, 0xCB682001,
+ 0xC78, 0xCA692001,
+ 0xC78, 0xC96A2001,
+ 0xC78, 0xC86B2001,
+ 0xC78, 0xC76C2001,
+ 0xC78, 0xC66D2001,
+ 0xC78, 0xC56E2001,
+ 0xC78, 0xC46F2001,
+ 0xC78, 0xC3702001,
+ 0xC78, 0xC2712001,
+ 0xC78, 0xC1722001,
+ 0xC78, 0xC0732001,
+ 0xC78, 0x82742001,
+ 0xC78, 0x81752001,
+ 0xC78, 0x80762001,
+ 0xC78, 0x80772001,
+ 0xC78, 0x80782001,
+ 0xC78, 0x80792001,
+ 0xC78, 0x807A2001,
+ 0xC78, 0x807B2001,
+ 0xC78, 0x807C2001,
+ 0xC78, 0x807D2001,
+ 0xC78, 0x807E2001,
+ 0xC78, 0x807F2001,
+ 0xC78, 0xFA001101,
+ 0xC78, 0xF9011101,
+ 0xC78, 0xF8021101,
+ 0xC78, 0xF7031101,
+ 0xC78, 0xF6041101,
+ 0xC78, 0xF5051101,
+ 0xC78, 0xF4061101,
+ 0xC78, 0xD7071101,
+ 0xC78, 0xD6081101,
+ 0xC78, 0xD5091101,
+ 0xC78, 0xD40A1101,
+ 0xC78, 0x970B1101,
+ 0xC78, 0x960C1101,
+ 0xC78, 0x950D1101,
+ 0xC78, 0x940E1101,
+ 0xC78, 0x930F1101,
+ 0xC78, 0x92101101,
+ 0xC78, 0x91111101,
+ 0xC78, 0x90121101,
+ 0xC78, 0x8F131101,
+ 0xC78, 0x8E141101,
+ 0xC78, 0x8D151101,
+ 0xC78, 0x8C161101,
+ 0xC78, 0x8B171101,
+ 0xC78, 0x8A181101,
+ 0xC78, 0x89191101,
+ 0xC78, 0x881A1101,
+ 0xC78, 0x871B1101,
+ 0xC78, 0x861C1101,
+ 0xC78, 0x851D1101,
+ 0xC78, 0x841E1101,
+ 0xC78, 0x831F1101,
+ 0xC78, 0x82201101,
+ 0xC78, 0x81211101,
+ 0xC78, 0x80221101,
+ 0xC78, 0x43231101,
+ 0xC78, 0x42241101,
+ 0xC78, 0x41251101,
+ 0xC78, 0x04261101,
+ 0xC78, 0x03271101,
+ 0xC78, 0x02281101,
+ 0xC78, 0x01291101,
+ 0xC78, 0x002A1101,
+ 0xC78, 0xC42B1001,
+ 0xC78, 0xC32C1001,
+ 0xC78, 0xC22D1001,
+ 0xC78, 0xC12E1001,
+ 0xC78, 0xC02F1001,
+ 0xC78, 0x85301001,
+ 0xC78, 0x84311001,
+ 0xC78, 0x83321001,
+ 0xC78, 0x82331001,
+ 0xC78, 0x81341001,
+ 0xC78, 0x80351001,
+ 0xC78, 0x05361001,
+ 0xC78, 0x04371001,
+ 0xC78, 0x03381001,
+ 0xC78, 0x02391001,
+ 0xC78, 0x013A1001,
+ 0xC78, 0x003B1001,
+ 0xC78, 0x003C1001,
+ 0xC78, 0x003D1001,
+ 0xC78, 0x003E1001,
+ 0xC78, 0x003F1001,
+ 0xC50, 0x69553422,
+ 0xC50, 0x69553420,
+};
+
+RTW_DECL_TABLE_PHY_COND(rtw8723d_agc, rtw_phy_cfg_agc);
+
+static const u32 rtw8723d_bb[] = {
+ 0x800, 0x80046C00,
+ 0x804, 0x00000003,
+ 0x808, 0x0000FC00,
+ 0x80C, 0x0000000A,
+ 0x810, 0x10001331,
+ 0x814, 0x020C3D10,
+ 0x818, 0x00200385,
+ 0x81C, 0x00000000,
+ 0x820, 0x01000100,
+ 0x824, 0x00390204,
+ 0x828, 0x00000000,
+ 0x82C, 0x00000000,
+ 0x830, 0x00000000,
+ 0x834, 0x00000000,
+ 0x838, 0x00000000,
+ 0x83C, 0x00000000,
+ 0x840, 0x00010000,
+ 0x844, 0x00000000,
+ 0x848, 0x00000000,
+ 0x84C, 0x00000000,
+ 0x850, 0x00000000,
+ 0x854, 0x00000000,
+ 0x858, 0x569A11A9,
+ 0x85C, 0x01000014,
+ 0x860, 0x66F60110,
+ 0x864, 0x461F0641,
+ 0x868, 0x00000000,
+ 0x86C, 0x27272700,
+ 0x870, 0x07000460,
+ 0x874, 0x25004000,
+ 0x878, 0x00000808,
+ 0x87C, 0x004F0201,
+ 0x880, 0xB2002E12,
+ 0x884, 0x00000007,
+ 0x888, 0x00000000,
+ 0x88C, 0xCCC000C0,
+ 0x890, 0x00000800,
+ 0x894, 0xFFFFFFFE,
+ 0x898, 0x40302010,
+ 0x89C, 0x00706050,
+ 0x900, 0x00000000,
+ 0x904, 0x00000023,
+ 0x908, 0x00000000,
+ 0x90C, 0x81121111,
+ 0x910, 0x00000402,
+ 0x914, 0x00000300,
+ 0x920, 0x18C6318C,
+ 0x924, 0x0000018C,
+ 0x948, 0x99000000,
+ 0x94C, 0x00000010,
+ 0x950, 0x00003800,
+ 0x954, 0x5A380000,
+ 0x958, 0x4BC6D87A,
+ 0x95C, 0x04EB9B79,
+ 0x96C, 0x00000003,
+ 0x970, 0x00000000,
+ 0x974, 0x00000000,
+ 0x978, 0x00000000,
+ 0x97C, 0x13000000,
+ 0x980, 0x00000000,
+ 0xA00, 0x00D046C8,
+ 0xA04, 0x80FF800C,
+ 0xA08, 0x8C838300,
+ 0xA0C, 0x2E20100F,
+ 0xA10, 0x9500BB78,
+ 0xA14, 0x1114D028,
+ 0xA18, 0x00881117,
+ 0xA1C, 0x89140F00,
+ 0xA20, 0xE82C0001,
+ 0xA24, 0x64B80C1C,
+ 0xA28, 0x00008810,
+ 0xA2C, 0x00D30000,
+ 0xA70, 0x101FBF00,
+ 0xA74, 0x00000007,
+ 0xA78, 0x00008900,
+ 0xA7C, 0x225B0606,
+ 0xA80, 0x2180FA74,
+ 0xA84, 0x00200000,
+ 0xA88, 0x040C0000,
+ 0xA8C, 0x12345678,
+ 0xA90, 0xABCDEF00,
+ 0xA94, 0x001B1B89,
+ 0xA98, 0x00000000,
+ 0xA9C, 0x00020000,
+ 0xAA0, 0x00000000,
+ 0xAA4, 0x0000000C,
+ 0xAA8, 0xCA100008,
+ 0xAAC, 0x01235667,
+ 0xAB0, 0x00000000,
+ 0xAB4, 0x20201402,
+ 0xB2C, 0x00000000,
+ 0xC00, 0x48071D40,
+ 0xC04, 0x03A05611,
+ 0xC08, 0x000000E4,
+ 0xC0C, 0x6C6C6C6C,
+ 0xC10, 0x28800000,
+ 0xC14, 0x40000100,
+ 0xC18, 0x08800000,
+ 0xC1C, 0x40000100,
+ 0xC20, 0x00000000,
+ 0xC24, 0x00000000,
+ 0xC28, 0x00000000,
+ 0xC2C, 0x00000000,
+ 0xC30, 0x69E9AC48,
+ 0xC34, 0x31000040,
+ 0xC38, 0x21688080,
+ 0xC3C, 0x000016D4,
+ 0xC40, 0x1F78403F,
+ 0xC44, 0x00010036,
+ 0xC48, 0xEC020107,
+ 0xC4C, 0x007F037F,
+ 0xC50, 0x69553420,
+ 0xC54, 0x43BC0094,
+ 0xC58, 0x00015969,
+ 0xC5C, 0x00310492,
+ 0xC60, 0x00280A00,
+ 0xC64, 0x7112848B,
+ 0xC68, 0x47C074FF,
+ 0xC6C, 0x00000036,
+ 0xC70, 0x2C7F000D,
+ 0xC74, 0x020600DB,
+ 0xC78, 0x0000001F,
+ 0xC7C, 0x00B91612,
+ 0xC80, 0x390000E4,
+ 0xC84, 0x21F60000,
+ 0xC88, 0x40000100,
+ 0xC8C, 0x20200000,
+ 0xC90, 0x00091521,
+ 0xC94, 0x00000000,
+ 0xC98, 0x00121820,
+ 0xC9C, 0x00007F7F,
+ 0xCA0, 0x00012000,
+ 0xCA4, 0x800000A0,
+ 0xCA8, 0x84E6C606,
+ 0xCAC, 0x00000060,
+ 0xCB0, 0x00000000,
+ 0xCB4, 0x00000000,
+ 0xCB8, 0x00000000,
+ 0xCBC, 0x28000000,
+ 0xCC0, 0x0010A3D0,
+ 0xCC4, 0x00000F7D,
+ 0xCC8, 0x000442D6,
+ 0xCCC, 0x00000000,
+ 0xCD0, 0x000001C8,
+ 0xCD4, 0x001C8000,
+ 0xCD8, 0x00000100,
+ 0xCDC, 0x40100000,
+ 0xCE0, 0x00222220,
+ 0xCE4, 0x20000000,
+ 0xCE8, 0x37644302,
+ 0xCEC, 0x2F97D40C,
+ 0xD00, 0x00030740,
+ 0xD04, 0x40020401,
+ 0xD08, 0x0000907F,
+ 0xD0C, 0x20010201,
+ 0xD10, 0xA0633333,
+ 0xD14, 0x3333BC53,
+ 0xD18, 0x7A8F5B6F,
+ 0xD2C, 0xCC979975,
+ 0xD30, 0x00000000,
+ 0xD34, 0x40608000,
+ 0xD38, 0x88000000,
+ 0xD3C, 0xC0127343,
+ 0xD40, 0x00000000,
+ 0xD44, 0x00000000,
+ 0xD48, 0x00000000,
+ 0xD4C, 0x00000000,
+ 0xD50, 0x00000038,
+ 0xD54, 0x00000000,
+ 0xD58, 0x00000282,
+ 0xD5C, 0x30032064,
+ 0xD60, 0x4653DE68,
+ 0xD64, 0x04518A3C,
+ 0xD68, 0x00002101,
+ 0xE00, 0x2D2D2D2D,
+ 0xE04, 0x2D2D2D2D,
+ 0xE08, 0x0390272D,
+ 0xE10, 0x2D2D2D2D,
+ 0xE14, 0x2D2D2D2D,
+ 0xE18, 0x2D2D2D2D,
+ 0xE1C, 0x2D2D2D2D,
+ 0xE28, 0x00000000,
+ 0xE30, 0x1000DC1F,
+ 0xE34, 0x10008C1F,
+ 0xE38, 0x02140102,
+ 0xE3C, 0x681604C2,
+ 0xE40, 0x01007C00,
+ 0xE44, 0x01004800,
+ 0xE48, 0xFB000000,
+ 0xE4C, 0x000028D1,
+ 0xE50, 0x1000DC1F,
+ 0xE54, 0x10008C1F,
+ 0xE58, 0x02140102,
+ 0xE5C, 0x28160D05,
+ 0xE60, 0x00000008,
+ 0xE68, 0x001B25A4,
+ 0xE6C, 0x01C00014,
+ 0xE70, 0x01C00016,
+ 0xE74, 0x02000014,
+ 0xE78, 0x02000014,
+ 0xE7C, 0x02000014,
+ 0xE80, 0x02000014,
+ 0xE84, 0x01C00014,
+ 0xE88, 0x02000014,
+ 0xE8C, 0x01C00014,
+ 0xED0, 0x01C00014,
+ 0xED4, 0x01C00014,
+ 0xED8, 0x01C00014,
+ 0xEDC, 0x00000014,
+ 0xEE0, 0x00000014,
+ 0xEE8, 0x21555448,
+ 0xEEC, 0x03C00014,
+ 0xF14, 0x00000003,
+ 0xF00, 0x00100300,
+ 0xF08, 0x0000800B,
+ 0xF0C, 0x0000F007,
+ 0xF10, 0x0000A487,
+ 0xF1C, 0x80000064,
+ 0xF38, 0x00030155,
+ 0xF3C, 0x0000003A,
+ 0xF4C, 0x13000000,
+ 0xF50, 0x00000000,
+ 0xF18, 0x00000000,
+};
+
+RTW_DECL_TABLE_PHY_COND(rtw8723d_bb, rtw_phy_cfg_bb);
+
+static const struct rtw_phy_pg_cfg_pair rtw8723d_bb_pg[] = {
+ { 0, 0, 0, 0x00000e08, 0x0000ff00, 0x00003200, },
+ { 0, 0, 0, 0x0000086c, 0xffffff00, 0x32323200, },
+ { 0, 0, 0, 0x00000e00, 0xffffffff, 0x32343434, },
+ { 0, 0, 0, 0x00000e04, 0xffffffff, 0x28303032, },
+ { 0, 0, 0, 0x00000e10, 0xffffffff, 0x30323234, },
+ { 0, 0, 0, 0x00000e14, 0xffffffff, 0x26282830, },
+};
+
+RTW_DECL_TABLE_BB_PG(rtw8723d_bb_pg);
+
+static const u32 rtw8723d_rf_a[] = {
+ 0x050, 0x0001C000,
+ 0x049, 0x0004AA00,
+ 0x000, 0x00010000,
+ 0x0B1, 0x00054573,
+ 0x0B4, 0x000508AB,
+ 0x0B7, 0x00014787,
+ 0x0B8, 0x000064CB,
+ 0x01B, 0x00073A40,
+ 0x051, 0x00038CAF,
+ 0x052, 0x000FCCA3,
+ 0x053, 0x00090F38,
+ 0x054, 0x00011083,
+ 0x057, 0x000D0000,
+ 0x08D, 0x00000A1A,
+ 0x082, 0x00082AAC,
+ 0x08E, 0x00076940,
+ 0x08F, 0x00088400,
+ 0x061, 0x00038CAF,
+ 0x062, 0x000FCCA3,
+ 0x063, 0x00090F38,
+ 0x064, 0x00011083,
+ 0x067, 0x000D0000,
+ 0x092, 0x00082AAC,
+ 0x0EF, 0x00000400,
+ 0x030, 0x000008CA,
+ 0x030, 0x000018CA,
+ 0x030, 0x000028CA,
+ 0x030, 0x000038CA,
+ 0x0EF, 0x00000000,
+ 0x0EE, 0x00000400,
+ 0x030, 0x000008CA,
+ 0x030, 0x000018CA,
+ 0x030, 0x000028CA,
+ 0x030, 0x000038CA,
+ 0x0EE, 0x00000000,
+ 0x0EF, 0x00000100,
+ 0x033, 0x00000000,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000003,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000004,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000005,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000006,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000007,
+ 0x03F, 0x0000CCA3,
+ 0x0EF, 0x00000000,
+ 0x0EE, 0x00000100,
+ 0x033, 0x00000000,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000003,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000004,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000005,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000006,
+ 0x03F, 0x0000CCA3,
+ 0x033, 0x00000007,
+ 0x03F, 0x0000CCA3,
+ 0x0EE, 0x00000000,
+ 0x0EF, 0x00000800,
+ 0x030, 0x0000002D,
+ 0x030, 0x0000122C,
+ 0x030, 0x0000222F,
+ 0x030, 0x0000326C,
+ 0x030, 0x0000466B,
+ 0x030, 0x0000566E,
+ 0x030, 0x000066EB,
+ 0x030, 0x000077EC,
+ 0x030, 0x000087EF,
+ 0x030, 0x000097F2,
+ 0x030, 0x0000A7F5,
+ 0x0EF, 0x00000000,
+ 0x0EE, 0x00000800,
+ 0x030, 0x00000001,
+ 0x030, 0x00001011,
+ 0x030, 0x00002011,
+ 0x030, 0x00003013,
+ 0x030, 0x00004033,
+ 0x030, 0x00005033,
+ 0x030, 0x00006037,
+ 0x030, 0x0000703F,
+ 0x030, 0x0000803F,
+ 0x030, 0x0000903F,
+ 0x030, 0x0000A03F,
+ 0x0EE, 0x00000000,
+ 0x082, 0x00083B8C,
+ 0x0ED, 0x00000008,
+ 0x030, 0x000030F6,
+ 0x030, 0x00002004,
+ 0x030, 0x000010F6,
+ 0x030, 0x000000F6,
+ 0x0ED, 0x00000000,
+ 0x092, 0x00083B8C,
+ 0x0EC, 0x00000008,
+ 0x030, 0x000030F6,
+ 0x030, 0x00002004,
+ 0x030, 0x000010F6,
+ 0x030, 0x000000F6,
+ 0x0EC, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x030, 0x0001C11C,
+ 0x030, 0x000181F4,
+ 0x030, 0x00014108,
+ 0x030, 0x000101E4,
+ 0x030, 0x0000C11C,
+ 0x030, 0x000081F4,
+ 0x030, 0x00004108,
+ 0x030, 0x000001E4,
+ 0x0EF, 0x00000000,
+ 0x0EE, 0x00010000,
+ 0x030, 0x0001C11C,
+ 0x030, 0x000181F4,
+ 0x030, 0x00014108,
+ 0x030, 0x000101E4,
+ 0x030, 0x0000C11C,
+ 0x030, 0x000081F4,
+ 0x030, 0x00004108,
+ 0x030, 0x000001E4,
+ 0x0EE, 0x00000000,
+ 0x0EF, 0x00080000,
+ 0x033, 0x00000007,
+ 0x03E, 0x0000005F,
+ 0x03F, 0x000B3FDB,
+ 0x033, 0x00000004,
+ 0x03E, 0x0000005D,
+ 0x03F, 0x000BFFE0,
+ 0x033, 0x00000005,
+ 0x03E, 0x0000005D,
+ 0x03F, 0x000FBFCE,
+ 0x033, 0x00000006,
+ 0x03E, 0x0000005F,
+ 0x03F, 0x000A7FFB,
+ 0x0EF, 0x00000000,
+ 0x0EE, 0x00000002,
+ 0x030, 0x00000001,
+ 0x030, 0x00002001,
+ 0x030, 0x00004001,
+ 0x030, 0x00007001,
+ 0x030, 0x00006001,
+ 0x030, 0x00020001,
+ 0x030, 0x00022001,
+ 0x030, 0x00024001,
+ 0x030, 0x00027001,
+ 0x030, 0x00026001,
+ 0x030, 0x00034001,
+ 0x030, 0x00037001,
+ 0x030, 0x00036001,
+ 0x030, 0x00008000,
+ 0x030, 0x0000A000,
+ 0x030, 0x0000C000,
+ 0x83000100, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x0000E024,
+ 0xA0000000, 0x00000000,
+ 0x030, 0x0000E000,
+ 0xB0000000, 0x00000000,
+ 0x030, 0x0001C000,
+ 0x030, 0x0001E000,
+ 0x0EE, 0x00000000,
+ 0x0EE, 0x00020000,
+ 0x0EF, 0x00020000,
+ 0x030, 0x00000F75,
+ 0x030, 0x00002F55,
+ 0x030, 0x00003F75,
+ 0x0EE, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x018, 0x00008401,
+ 0xFFE, 0x00000000,
+};
+
+RTW_DECL_TABLE_RF_RADIO(rtw8723d_rf_a, A);
+
+static const struct rtw_txpwr_lmt_cfg_pair rtw8723d_txpwr_lmt[] = {
+ {0, 0, 0, 0, 1, 30, },
+ {2, 0, 0, 0, 1, 30, },
+ {1, 0, 0, 0, 1, 30, },
+ {0, 0, 0, 0, 2, 30, },
+ {2, 0, 0, 0, 2, 30, },
+ {1, 0, 0, 0, 2, 30, },
+ {0, 0, 0, 0, 3, 30, },
+ {2, 0, 0, 0, 3, 30, },
+ {1, 0, 0, 0, 3, 30, },
+ {0, 0, 0, 0, 4, 30, },
+ {2, 0, 0, 0, 4, 30, },
+ {1, 0, 0, 0, 4, 30, },
+ {0, 0, 0, 0, 5, 30, },
+ {2, 0, 0, 0, 5, 30, },
+ {1, 0, 0, 0, 5, 30, },
+ {0, 0, 0, 0, 6, 30, },
+ {2, 0, 0, 0, 6, 30, },
+ {1, 0, 0, 0, 6, 30, },
+ {0, 0, 0, 0, 7, 30, },
+ {2, 0, 0, 0, 7, 30, },
+ {1, 0, 0, 0, 7, 30, },
+ {0, 0, 0, 0, 8, 30, },
+ {2, 0, 0, 0, 8, 30, },
+ {1, 0, 0, 0, 8, 30, },
+ {0, 0, 0, 0, 9, 30, },
+ {2, 0, 0, 0, 9, 30, },
+ {1, 0, 0, 0, 9, 30, },
+ {0, 0, 0, 0, 10, 30, },
+ {2, 0, 0, 0, 10, 30, },
+ {1, 0, 0, 0, 10, 30, },
+ {0, 0, 0, 0, 11, 30, },
+ {2, 0, 0, 0, 11, 30, },
+ {1, 0, 0, 0, 11, 30, },
+ {0, 0, 0, 0, 12, 30, },
+ {2, 0, 0, 0, 12, 30, },
+ {1, 0, 0, 0, 12, 30, },
+ {0, 0, 0, 0, 13, 17, },
+ {2, 0, 0, 0, 13, 30, },
+ {1, 0, 0, 0, 13, 30, },
+ {0, 0, 0, 0, 14, 63, },
+ {2, 0, 0, 0, 14, 63, },
+ {1, 0, 0, 0, 14, 30, },
+ {0, 0, 0, 1, 1, 26, },
+ {2, 0, 0, 1, 1, 31, },
+ {1, 0, 0, 1, 1, 31, },
+ {0, 0, 0, 1, 2, 28, },
+ {2, 0, 0, 1, 2, 31, },
+ {1, 0, 0, 1, 2, 31, },
+ {0, 0, 0, 1, 3, 30, },
+ {2, 0, 0, 1, 3, 31, },
+ {1, 0, 0, 1, 3, 31, },
+ {0, 0, 0, 1, 4, 30, },
+ {2, 0, 0, 1, 4, 31, },
+ {1, 0, 0, 1, 4, 31, },
+ {0, 0, 0, 1, 5, 30, },
+ {2, 0, 0, 1, 5, 31, },
+ {1, 0, 0, 1, 5, 31, },
+ {0, 0, 0, 1, 6, 30, },
+ {2, 0, 0, 1, 6, 31, },
+ {1, 0, 0, 1, 6, 31, },
+ {0, 0, 0, 1, 7, 30, },
+ {2, 0, 0, 1, 7, 31, },
+ {1, 0, 0, 1, 7, 31, },
+ {0, 0, 0, 1, 8, 30, },
+ {2, 0, 0, 1, 8, 31, },
+ {1, 0, 0, 1, 8, 31, },
+ {0, 0, 0, 1, 9, 30, },
+ {2, 0, 0, 1, 9, 31, },
+ {1, 0, 0, 1, 9, 31, },
+ {0, 0, 0, 1, 10, 28, },
+ {2, 0, 0, 1, 10, 31, },
+ {1, 0, 0, 1, 10, 31, },
+ {0, 0, 0, 1, 11, 26, },
+ {2, 0, 0, 1, 11, 31, },
+ {1, 0, 0, 1, 11, 31, },
+ {0, 0, 0, 1, 12, 24, },
+ {2, 0, 0, 1, 12, 31, },
+ {1, 0, 0, 1, 12, 31, },
+ {0, 0, 0, 1, 13, 14, },
+ {2, 0, 0, 1, 13, 31, },
+ {1, 0, 0, 1, 13, 31, },
+ {0, 0, 0, 1, 14, 63, },
+ {2, 0, 0, 1, 14, 63, },
+ {1, 0, 0, 1, 14, 63, },
+ {0, 0, 0, 2, 1, 24, },
+ {2, 0, 0, 2, 1, 31, },
+ {1, 0, 0, 2, 1, 31, },
+ {0, 0, 0, 2, 2, 26, },
+ {2, 0, 0, 2, 2, 31, },
+ {1, 0, 0, 2, 2, 31, },
+ {0, 0, 0, 2, 3, 30, },
+ {2, 0, 0, 2, 3, 31, },
+ {1, 0, 0, 2, 3, 31, },
+ {0, 0, 0, 2, 4, 30, },
+ {2, 0, 0, 2, 4, 31, },
+ {1, 0, 0, 2, 4, 31, },
+ {0, 0, 0, 2, 5, 30, },
+ {2, 0, 0, 2, 5, 31, },
+ {1, 0, 0, 2, 5, 31, },
+ {0, 0, 0, 2, 6, 30, },
+ {2, 0, 0, 2, 6, 31, },
+ {1, 0, 0, 2, 6, 31, },
+ {0, 0, 0, 2, 7, 30, },
+ {2, 0, 0, 2, 7, 31, },
+ {1, 0, 0, 2, 7, 31, },
+ {0, 0, 0, 2, 8, 30, },
+ {2, 0, 0, 2, 8, 31, },
+ {1, 0, 0, 2, 8, 31, },
+ {0, 0, 0, 2, 9, 30, },
+ {2, 0, 0, 2, 9, 31, },
+ {1, 0, 0, 2, 9, 31, },
+ {0, 0, 0, 2, 10, 26, },
+ {2, 0, 0, 2, 10, 31, },
+ {1, 0, 0, 2, 10, 31, },
+ {0, 0, 0, 2, 11, 24, },
+ {2, 0, 0, 2, 11, 31, },
+ {1, 0, 0, 2, 11, 31, },
+ {0, 0, 0, 2, 12, 23, },
+ {2, 0, 0, 2, 12, 31, },
+ {1, 0, 0, 2, 12, 31, },
+ {0, 0, 0, 2, 13, 13, },
+ {2, 0, 0, 2, 13, 31, },
+ {1, 0, 0, 2, 13, 31, },
+ {0, 0, 0, 2, 14, 63, },
+ {2, 0, 0, 2, 14, 63, },
+ {1, 0, 0, 2, 14, 63, },
+ {0, 0, 0, 3, 1, 28, },
+ {2, 0, 0, 3, 1, 30, },
+ {1, 0, 0, 3, 1, 30, },
+ {0, 0, 0, 3, 2, 28, },
+ {2, 0, 0, 3, 2, 30, },
+ {1, 0, 0, 3, 2, 30, },
+ {0, 0, 0, 3, 3, 30, },
+ {2, 0, 0, 3, 3, 30, },
+ {1, 0, 0, 3, 3, 30, },
+ {0, 0, 0, 3, 4, 30, },
+ {2, 0, 0, 3, 4, 30, },
+ {1, 0, 0, 3, 4, 30, },
+ {0, 0, 0, 3, 5, 30, },
+ {2, 0, 0, 3, 5, 30, },
+ {1, 0, 0, 3, 5, 30, },
+ {0, 0, 0, 3, 6, 30, },
+ {2, 0, 0, 3, 6, 30, },
+ {1, 0, 0, 3, 6, 30, },
+ {0, 0, 0, 3, 7, 30, },
+ {2, 0, 0, 3, 7, 30, },
+ {1, 0, 0, 3, 7, 30, },
+ {0, 0, 0, 3, 8, 30, },
+ {2, 0, 0, 3, 8, 30, },
+ {1, 0, 0, 3, 8, 30, },
+ {0, 0, 0, 3, 9, 28, },
+ {2, 0, 0, 3, 9, 30, },
+ {1, 0, 0, 3, 9, 30, },
+ {0, 0, 0, 3, 10, 28, },
+ {2, 0, 0, 3, 10, 30, },
+ {1, 0, 0, 3, 10, 30, },
+ {0, 0, 0, 3, 11, 28, },
+ {2, 0, 0, 3, 11, 30, },
+ {1, 0, 0, 3, 11, 30, },
+ {0, 0, 0, 3, 12, 63, },
+ {2, 0, 0, 3, 12, 30, },
+ {1, 0, 0, 3, 12, 30, },
+ {0, 0, 0, 3, 13, 63, },
+ {2, 0, 0, 3, 13, 30, },
+ {1, 0, 0, 3, 13, 30, },
+ {0, 0, 0, 3, 14, 63, },
+ {2, 0, 0, 3, 14, 63, },
+ {1, 0, 0, 3, 14, 63, },
+ {0, 0, 1, 2, 1, 63, },
+ {2, 0, 1, 2, 1, 63, },
+ {1, 0, 1, 2, 1, 63, },
+ {0, 0, 1, 2, 2, 63, },
+ {2, 0, 1, 2, 2, 63, },
+ {1, 0, 1, 2, 2, 63, },
+ {0, 0, 1, 2, 3, 24, },
+ {2, 0, 1, 2, 3, 30, },
+ {1, 0, 1, 2, 3, 30, },
+ {0, 0, 1, 2, 4, 24, },
+ {2, 0, 1, 2, 4, 30, },
+ {1, 0, 1, 2, 4, 30, },
+ {0, 0, 1, 2, 5, 24, },
+ {2, 0, 1, 2, 5, 30, },
+ {1, 0, 1, 2, 5, 30, },
+ {0, 0, 1, 2, 6, 24, },
+ {2, 0, 1, 2, 6, 30, },
+ {1, 0, 1, 2, 6, 30, },
+ {0, 0, 1, 2, 7, 24, },
+ {2, 0, 1, 2, 7, 30, },
+ {1, 0, 1, 2, 7, 30, },
+ {0, 0, 1, 2, 8, 24, },
+ {2, 0, 1, 2, 8, 30, },
+ {1, 0, 1, 2, 8, 30, },
+ {0, 0, 1, 2, 9, 24, },
+ {2, 0, 1, 2, 9, 30, },
+ {1, 0, 1, 2, 9, 30, },
+ {0, 0, 1, 2, 10, 22, },
+ {2, 0, 1, 2, 10, 30, },
+ {1, 0, 1, 2, 10, 30, },
+ {0, 0, 1, 2, 11, 20, },
+ {2, 0, 1, 2, 11, 30, },
+ {1, 0, 1, 2, 11, 30, },
+ {0, 0, 1, 2, 12, 63, },
+ {2, 0, 1, 2, 12, 30, },
+ {1, 0, 1, 2, 12, 30, },
+ {0, 0, 1, 2, 13, 63, },
+ {2, 0, 1, 2, 13, 30, },
+ {1, 0, 1, 2, 13, 30, },
+ {0, 0, 1, 2, 14, 63, },
+ {2, 0, 1, 2, 14, 63, },
+ {1, 0, 1, 2, 14, 63, },
+ {0, 0, 1, 3, 1, 63, },
+ {2, 0, 1, 3, 1, 63, },
+ {1, 0, 1, 3, 1, 63, },
+ {0, 0, 1, 3, 2, 63, },
+ {2, 0, 1, 3, 2, 63, },
+ {1, 0, 1, 3, 2, 63, },
+ {0, 0, 1, 3, 3, 26, },
+ {2, 0, 1, 3, 3, 26, },
+ {1, 0, 1, 3, 3, 26, },
+ {0, 0, 1, 3, 4, 26, },
+ {2, 0, 1, 3, 4, 26, },
+ {1, 0, 1, 3, 4, 26, },
+ {0, 0, 1, 3, 5, 26, },
+ {2, 0, 1, 3, 5, 26, },
+ {1, 0, 1, 3, 5, 26, },
+ {0, 0, 1, 3, 6, 26, },
+ {2, 0, 1, 3, 6, 26, },
+ {1, 0, 1, 3, 6, 26, },
+ {0, 0, 1, 3, 7, 26, },
+ {2, 0, 1, 3, 7, 26, },
+ {1, 0, 1, 3, 7, 26, },
+ {0, 0, 1, 3, 8, 26, },
+ {2, 0, 1, 3, 8, 26, },
+ {1, 0, 1, 3, 8, 26, },
+ {0, 0, 1, 3, 9, 26, },
+ {2, 0, 1, 3, 9, 26, },
+ {1, 0, 1, 3, 9, 26, },
+ {0, 0, 1, 3, 10, 26, },
+ {2, 0, 1, 3, 10, 26, },
+ {1, 0, 1, 3, 10, 26, },
+ {0, 0, 1, 3, 11, 26, },
+ {2, 0, 1, 3, 11, 26, },
+ {1, 0, 1, 3, 11, 26, },
+ {0, 0, 1, 3, 12, 63, },
+ {2, 0, 1, 3, 12, 26, },
+ {1, 0, 1, 3, 12, 26, },
+ {0, 0, 1, 3, 13, 63, },
+ {2, 0, 1, 3, 13, 26, },
+ {1, 0, 1, 3, 13, 26, },
+ {0, 0, 1, 3, 14, 63, },
+ {2, 0, 1, 3, 14, 63, },
+ {1, 0, 1, 3, 14, 63, },
+};
+
+RTW_DECL_TABLE_TXPWR_LMT(rtw8723d_txpwr_lmt);
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d_table.h b/drivers/net/wireless/realtek/rtw88/rtw8723d_table.h
new file mode 100644
index 000000000000..4db996a1d982
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d_table.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW8723D_TABLE_H__
+#define __RTW8723D_TABLE_H__
+
+extern const struct rtw_table rtw8723d_mac_tbl;
+extern const struct rtw_table rtw8723d_agc_tbl;
+extern const struct rtw_table rtw8723d_bb_tbl;
+extern const struct rtw_table rtw8723d_bb_pg_tbl;
+extern const struct rtw_table rtw8723d_rf_a_tbl;
+extern const struct rtw_table rtw8723d_txpwr_lmt_tbl;
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723de.c b/drivers/net/wireless/realtek/rtw88/rtw8723de.c
new file mode 100644
index 000000000000..c81eb4c33642
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723de.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include "rtw8723de.h"
+
+static const struct pci_device_id rtw_8723de_id_table[] = {
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xD723),
+ .driver_data = (kernel_ulong_t)&rtw8723d_hw_spec
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(pci, rtw_8723de_id_table);
+
+static struct pci_driver rtw_8723de_driver = {
+ .name = "rtw_8723de",
+ .id_table = rtw_8723de_id_table,
+ .probe = rtw_pci_probe,
+ .remove = rtw_pci_remove,
+ .driver.pm = &rtw_pm_ops,
+ .shutdown = rtw_pci_shutdown,
+};
+module_pci_driver(rtw_8723de_driver);
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11n wireless 8723de driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723de.h b/drivers/net/wireless/realtek/rtw88/rtw8723de.h
new file mode 100644
index 000000000000..ba3842360c20
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723de.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW_8723DE_H_
+#define __RTW_8723DE_H_
+
+extern const struct dev_pm_ops rtw_pm_ops;
+extern struct rtw_chip_info rtw8723d_hw_spec;
+int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+void rtw_pci_remove(struct pci_dev *pdev);
+void rtw_pci_shutdown(struct pci_dev *pdev);
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822b.c b/drivers/net/wireless/realtek/rtw88/rtw8822b.c
index 4dd7d4143b04..e49bdd76ab9a 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822b.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822b.c
@@ -2,6 +2,7 @@
/* Copyright(c) 2018-2019 Realtek Corporation
*/
+#include <linux/module.h>
#include "main.h"
#include "coex.h"
#include "fw.h"
@@ -998,8 +999,9 @@ static bool rtw8822b_check_rf_path(u8 antenna)
}
}
-static void rtw8822b_set_antenna(struct rtw_dev *rtwdev, u8 antenna_tx,
- u8 antenna_rx)
+static int rtw8822b_set_antenna(struct rtw_dev *rtwdev,
+ u32 antenna_tx,
+ u32 antenna_rx)
{
struct rtw_hal *hal = &rtwdev->hal;
@@ -1007,16 +1009,21 @@ static void rtw8822b_set_antenna(struct rtw_dev *rtwdev, u8 antenna_tx,
antenna_tx, antenna_rx);
if (!rtw8822b_check_rf_path(antenna_tx)) {
- rtw_info(rtwdev, "unsupport tx path, set to default path ab\n");
- antenna_tx = BB_PATH_AB;
+ rtw_info(rtwdev, "unsupport tx path 0x%x\n", antenna_tx);
+ return -EINVAL;
}
+
if (!rtw8822b_check_rf_path(antenna_rx)) {
- rtw_info(rtwdev, "unsupport rx path, set to default path ab\n");
- antenna_rx = BB_PATH_AB;
+ rtw_info(rtwdev, "unsupport rx path 0x%x\n", antenna_rx);
+ return -EINVAL;
}
+
hal->antenna_tx = antenna_tx;
hal->antenna_rx = antenna_rx;
+
rtw8822b_config_trx_mode(rtwdev, antenna_tx, antenna_rx, false);
+
+ return 0;
}
static void rtw8822b_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
@@ -1024,7 +1031,7 @@ static void rtw8822b_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
u8 ldo_pwr;
ldo_pwr = rtw_read8(rtwdev, REG_LDO_EFUSE_CTRL + 3);
- ldo_pwr = enable ? ldo_pwr | BIT(7) : ldo_pwr & ~BIT(7);
+ ldo_pwr = enable ? ldo_pwr | BIT_LDO25_EN : ldo_pwr & ~BIT_LDO25_EN;
rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
}
@@ -2051,6 +2058,12 @@ static const struct rtw_hw_reg rtw8822b_dig[] = {
[1] = { .addr = 0xe50, .mask = 0x7f },
};
+static const struct rtw_ltecoex_addr rtw8822b_ltecoex_addr = {
+ .ctrl = LTECOEX_ACCESS_CTRL,
+ .wdata = LTECOEX_WRITE_DATA,
+ .rdata = LTECOEX_READ_DATA,
+};
+
static const struct rtw_page_table page_table_8822b[] = {
{64, 64, 64, 64, 1},
{64, 64, 64, 64, 1},
@@ -2077,6 +2090,22 @@ static const struct rtw_rqpn rqpn_table_8822b[] = {
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
};
+static struct rtw_prioq_addrs prioq_addrs_8822b = {
+ .prio[RTW_DMA_MAPPING_EXTRA] = {
+ .rsvd = REG_FIFOPAGE_INFO_4, .avail = REG_FIFOPAGE_INFO_4 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_LOW] = {
+ .rsvd = REG_FIFOPAGE_INFO_2, .avail = REG_FIFOPAGE_INFO_2 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_NORMAL] = {
+ .rsvd = REG_FIFOPAGE_INFO_3, .avail = REG_FIFOPAGE_INFO_3 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_HIGH] = {
+ .rsvd = REG_FIFOPAGE_INFO_1, .avail = REG_FIFOPAGE_INFO_1 + 2,
+ },
+ .wsize = true,
+};
+
static struct rtw_chip_ops rtw8822b_ops = {
.phy_set_param = rtw8822b_phy_set_param,
.read_efuse = rtw8822b_read_efuse,
@@ -2402,6 +2431,7 @@ struct rtw_chip_info rtw8822b_hw_spec = {
.ops = &rtw8822b_ops,
.id = RTW_CHIP_TYPE_8822B,
.fw_name = "rtw88/rtw8822b_fw.bin",
+ .wlan_cpu = RTW_WCPU_11AC,
.tx_pkt_desc_sz = 48,
.tx_buf_desc_sz = 16,
.rx_pkt_desc_sz = 24,
@@ -2426,10 +2456,13 @@ struct rtw_chip_info rtw8822b_hw_spec = {
.pwr_off_seq = card_disable_flow_8822b,
.page_table = page_table_8822b,
.rqpn_table = rqpn_table_8822b,
+ .prioq_addrs = &prioq_addrs_8822b,
.intf_table = &phy_para_table_8822b,
.dig = rtw8822b_dig,
+ .dig_cck = NULL,
.rf_base_addr = {0x2800, 0x2c00},
.rf_sipi_addr = {0xc90, 0xe90},
+ .ltecoex_addr = &rtw8822b_ltecoex_addr,
.mac_tbl = &rtw8822b_mac_tbl,
.agc_tbl = &rtw8822b_agc_tbl,
.bb_tbl = &rtw8822b_bb_tbl,
@@ -2440,6 +2473,7 @@ struct rtw_chip_info rtw8822b_hw_spec = {
.iqk_threshold = 8,
.bfer_su_max_num = 2,
.bfer_mu_max_num = 1,
+ .rx_ldpc = true,
.coex_para_ver = 0x19062706,
.bt_desired_ver = 0x6,
@@ -2473,3 +2507,7 @@ struct rtw_chip_info rtw8822b_hw_spec = {
EXPORT_SYMBOL(rtw8822b_hw_spec);
MODULE_FIRMWARE("rtw88/rtw8822b_fw.bin");
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822b driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822be.c b/drivers/net/wireless/realtek/rtw88/rtw8822be.c
new file mode 100644
index 000000000000..921916ae15ca
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822be.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include "rtw8822be.h"
+
+static const struct pci_device_id rtw_8822be_id_table[] = {
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xB822),
+ .driver_data = (kernel_ulong_t)&rtw8822b_hw_spec
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(pci, rtw_8822be_id_table);
+
+static struct pci_driver rtw_8822be_driver = {
+ .name = "rtw_8822be",
+ .id_table = rtw_8822be_id_table,
+ .probe = rtw_pci_probe,
+ .remove = rtw_pci_remove,
+ .driver.pm = &rtw_pm_ops,
+ .shutdown = rtw_pci_shutdown,
+};
+module_pci_driver(rtw_8822be_driver);
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822be driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822be.h b/drivers/net/wireless/realtek/rtw88/rtw8822be.h
new file mode 100644
index 000000000000..d823ca059f5c
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822be.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW_8822BE_H_
+#define __RTW_8822BE_H_
+
+extern const struct dev_pm_ops rtw_pm_ops;
+extern struct rtw_chip_info rtw8822b_hw_spec;
+int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+void rtw_pci_remove(struct pci_dev *pdev);
+void rtw_pci_shutdown(struct pci_dev *pdev);
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
index dc07e6be38e8..c3d72ef611c6 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
@@ -2,6 +2,7 @@
/* Copyright(c) 2018-2019 Realtek Corporation
*/
+#include <linux/module.h>
#include "main.h"
#include "coex.h"
#include "fw.h"
@@ -15,6 +16,7 @@
#include "debug.h"
#include "util.h"
#include "bf.h"
+#include "efuse.h"
static void rtw8822c_config_trx_mode(struct rtw_dev *rtwdev, u8 tx_path,
u8 rx_path, bool is_tx2_path);
@@ -1000,10 +1002,122 @@ static void rtw8822c_rf_x2_check(struct rtw_dev *rtwdev)
}
}
+static void rtw8822c_set_power_trim(struct rtw_dev *rtwdev, s8 bb_gain[2][8])
+{
+#define RF_SET_POWER_TRIM(_path, _seq, _idx) \
+ do { \
+ rtw_write_rf(rtwdev, _path, 0x33, RFREG_MASK, _seq); \
+ rtw_write_rf(rtwdev, _path, 0x3f, RFREG_MASK, \
+ bb_gain[_path][_idx]); \
+ } while (0)
+ u8 path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_write_rf(rtwdev, path, 0xee, BIT(19), 1);
+ RF_SET_POWER_TRIM(path, 0x0, 0);
+ RF_SET_POWER_TRIM(path, 0x1, 1);
+ RF_SET_POWER_TRIM(path, 0x2, 2);
+ RF_SET_POWER_TRIM(path, 0x3, 2);
+ RF_SET_POWER_TRIM(path, 0x4, 3);
+ RF_SET_POWER_TRIM(path, 0x5, 4);
+ RF_SET_POWER_TRIM(path, 0x6, 5);
+ RF_SET_POWER_TRIM(path, 0x7, 6);
+ RF_SET_POWER_TRIM(path, 0x8, 7);
+ RF_SET_POWER_TRIM(path, 0x9, 3);
+ RF_SET_POWER_TRIM(path, 0xa, 4);
+ RF_SET_POWER_TRIM(path, 0xb, 5);
+ RF_SET_POWER_TRIM(path, 0xc, 6);
+ RF_SET_POWER_TRIM(path, 0xd, 7);
+ RF_SET_POWER_TRIM(path, 0xe, 7);
+ rtw_write_rf(rtwdev, path, 0xee, BIT(19), 0);
+ }
+#undef RF_SET_POWER_TRIM
+}
+
+static void rtw8822c_power_trim(struct rtw_dev *rtwdev)
+{
+ u8 pg_pwr = 0xff, i, path, idx;
+ s8 bb_gain[2][8] = {};
+ u16 rf_efuse_2g[3] = {PPG_2GL_TXAB, PPG_2GM_TXAB, PPG_2GH_TXAB};
+ u16 rf_efuse_5g[2][5] = {{PPG_5GL1_TXA, PPG_5GL2_TXA, PPG_5GM1_TXA,
+ PPG_5GM2_TXA, PPG_5GH1_TXA},
+ {PPG_5GL1_TXB, PPG_5GL2_TXB, PPG_5GM1_TXB,
+ PPG_5GM2_TXB, PPG_5GH1_TXB} };
+ bool set = false;
+
+ for (i = 0; i < ARRAY_SIZE(rf_efuse_2g); i++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_2g[i], &pg_pwr);
+ if (pg_pwr == EFUSE_READ_FAIL)
+ continue;
+ set = true;
+ bb_gain[RF_PATH_A][i] = FIELD_GET(PPG_2G_A_MASK, pg_pwr);
+ bb_gain[RF_PATH_B][i] = FIELD_GET(PPG_2G_B_MASK, pg_pwr);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(rf_efuse_5g[0]); i++) {
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_5g[path][i],
+ &pg_pwr);
+ if (pg_pwr == EFUSE_READ_FAIL)
+ continue;
+ set = true;
+ idx = i + ARRAY_SIZE(rf_efuse_2g);
+ bb_gain[path][idx] = FIELD_GET(PPG_5G_MASK, pg_pwr);
+ }
+ }
+ if (set)
+ rtw8822c_set_power_trim(rtwdev, bb_gain);
+
+ rtw_write32_mask(rtwdev, REG_DIS_DPD, DIS_DPD_MASK, DIS_DPD_RATEALL);
+}
+
+static void rtw8822c_thermal_trim(struct rtw_dev *rtwdev)
+{
+ u16 rf_efuse[2] = {PPG_THERMAL_A, PPG_THERMAL_B};
+ u8 pg_therm = 0xff, thermal[2] = {0}, path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse[path], &pg_therm);
+ if (pg_therm == EFUSE_READ_FAIL)
+ return;
+ /* Efuse value of BIT(0) shall be move to BIT(3), and the value
+ * of BIT(1) to BIT(3) should be right shifted 1 bit.
+ */
+ thermal[path] = FIELD_GET(GENMASK(3, 1), pg_therm);
+ thermal[path] |= FIELD_PREP(BIT(3), pg_therm & BIT(0));
+ rtw_write_rf(rtwdev, path, 0x43, RF_THEMAL_MASK, thermal[path]);
+ }
+}
+
+static void rtw8822c_pa_bias(struct rtw_dev *rtwdev)
+{
+ u16 rf_efuse_2g[2] = {PPG_PABIAS_2GA, PPG_PABIAS_2GB};
+ u16 rf_efuse_5g[2] = {PPG_PABIAS_5GA, PPG_PABIAS_5GB};
+ u8 pg_pa_bias = 0xff, path;
+
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_2g[path],
+ &pg_pa_bias);
+ if (pg_pa_bias == EFUSE_READ_FAIL)
+ return;
+ pg_pa_bias = FIELD_GET(PPG_PABIAS_MASK, pg_pa_bias);
+ rtw_write_rf(rtwdev, path, 0x60, RF_PABIAS_2G_MASK, pg_pa_bias);
+ }
+ for (path = 0; path < rtwdev->hal.rf_path_num; path++) {
+ rtw_read8_physical_efuse(rtwdev, rf_efuse_5g[path],
+ &pg_pa_bias);
+ pg_pa_bias = FIELD_GET(PPG_PABIAS_MASK, pg_pa_bias);
+ rtw_write_rf(rtwdev, path, 0x60, RF_PABIAS_5G_MASK, pg_pa_bias);
+ }
+}
+
static void rtw8822c_rf_init(struct rtw_dev *rtwdev)
{
rtw8822c_rf_dac_cal(rtwdev);
rtw8822c_rf_x2_check(rtwdev);
+ rtw8822c_thermal_trim(rtwdev);
+ rtw8822c_power_trim(rtwdev);
+ rtw8822c_pa_bias(rtwdev);
}
static void rtw8822c_pwrtrack_init(struct rtw_dev *rtwdev)
@@ -1382,7 +1496,6 @@ static void rtw8822c_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
{
if (IS_CH_2G_BAND(channel)) {
rtw_write32_clr(rtwdev, REG_BGCTRL, BITS_RX_IQ_WEIGHT);
- rtw_write32_mask(rtwdev, REG_RXCCKSEL, 0xf0000000, 0x8);
rtw_write32_set(rtwdev, REG_TXF4, BIT(20));
rtw_write32_clr(rtwdev, REG_CCK_CHECK, BIT_CHECK_CCK_EN);
rtw_write32_clr(rtwdev, REG_CCKTXONLY, BIT_BB_CCK_CHECK_EN);
@@ -1450,7 +1563,6 @@ static void rtw8822c_set_channel_bb(struct rtw_dev *rtwdev, u8 channel, u8 bw,
rtw_write32_set(rtwdev, REG_CCK_CHECK, BIT_CHECK_CCK_EN);
rtw_write32_set(rtwdev, REG_BGCTRL, BITS_RX_IQ_WEIGHT);
rtw_write32_clr(rtwdev, REG_TXF4, BIT(20));
- rtw_write32_mask(rtwdev, REG_RXCCKSEL, 0xf0000000, 0x0);
rtw_write32_mask(rtwdev, REG_CCAMSK, 0x3F000000, 0x22);
rtw_write32_mask(rtwdev, REG_TXDFIR0, 0x70, 0x3);
if (IS_CH_5G_BAND_1(channel) || IS_CH_5G_BAND_2(channel)) {
@@ -1890,6 +2002,40 @@ static void rtw8822c_set_tx_power_index(struct rtw_dev *rtwdev)
}
}
+static int rtw8822c_set_antenna(struct rtw_dev *rtwdev,
+ u32 antenna_tx,
+ u32 antenna_rx)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+
+ switch (antenna_tx) {
+ case BB_PATH_A:
+ case BB_PATH_B:
+ case BB_PATH_AB:
+ break;
+ default:
+ rtw_info(rtwdev, "unsupport tx path 0x%x\n", antenna_tx);
+ return -EINVAL;
+ }
+
+ /* path B only is not available for RX */
+ switch (antenna_rx) {
+ case BB_PATH_A:
+ case BB_PATH_AB:
+ break;
+ default:
+ rtw_info(rtwdev, "unsupport rx path 0x%x\n", antenna_rx);
+ return -EINVAL;
+ }
+
+ hal->antenna_tx = antenna_tx;
+ hal->antenna_rx = antenna_rx;
+
+ rtw8822c_config_trx_mode(rtwdev, antenna_tx, antenna_rx, false);
+
+ return 0;
+}
+
static void rtw8822c_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
{
u8 ldo_pwr;
@@ -3752,6 +3898,7 @@ static const struct rtw_rfe_def rtw8822c_rfe_defs[] = {
[0] = RTW_DEF_RFE(8822c, 0, 0),
[1] = RTW_DEF_RFE(8822c, 0, 0),
[2] = RTW_DEF_RFE(8822c, 0, 0),
+ [5] = RTW_DEF_RFE(8822c, 0, 5),
};
static const struct rtw_hw_reg rtw8822c_dig[] = {
@@ -3759,6 +3906,12 @@ static const struct rtw_hw_reg rtw8822c_dig[] = {
[1] = { .addr = 0x1d70, .mask = 0x7f00 },
};
+static const struct rtw_ltecoex_addr rtw8822c_ltecoex_addr = {
+ .ctrl = LTECOEX_ACCESS_CTRL,
+ .wdata = LTECOEX_WRITE_DATA,
+ .rdata = LTECOEX_READ_DATA,
+};
+
static const struct rtw_page_table page_table_8822c[] = {
{64, 64, 64, 64, 1},
{64, 64, 64, 64, 1},
@@ -3785,6 +3938,22 @@ static const struct rtw_rqpn rqpn_table_8822c[] = {
RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
};
+static struct rtw_prioq_addrs prioq_addrs_8822c = {
+ .prio[RTW_DMA_MAPPING_EXTRA] = {
+ .rsvd = REG_FIFOPAGE_INFO_4, .avail = REG_FIFOPAGE_INFO_4 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_LOW] = {
+ .rsvd = REG_FIFOPAGE_INFO_2, .avail = REG_FIFOPAGE_INFO_2 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_NORMAL] = {
+ .rsvd = REG_FIFOPAGE_INFO_3, .avail = REG_FIFOPAGE_INFO_3 + 2,
+ },
+ .prio[RTW_DMA_MAPPING_HIGH] = {
+ .rsvd = REG_FIFOPAGE_INFO_1, .avail = REG_FIFOPAGE_INFO_1 + 2,
+ },
+ .wsize = true,
+};
+
static struct rtw_chip_ops rtw8822c_ops = {
.phy_set_param = rtw8822c_phy_set_param,
.read_efuse = rtw8822c_read_efuse,
@@ -3794,6 +3963,7 @@ static struct rtw_chip_ops rtw8822c_ops = {
.read_rf = rtw_phy_read_rf,
.write_rf = rtw_phy_write_rf_reg_mix,
.set_tx_power_index = rtw8822c_set_tx_power_index,
+ .set_antenna = rtw8822c_set_antenna,
.cfg_ldo25 = rtw8822c_cfg_ldo25,
.false_alarm_statistics = rtw8822c_false_alarm_statistics,
.dpk_track = rtw8822c_dpk_track,
@@ -4121,6 +4291,7 @@ struct rtw_chip_info rtw8822c_hw_spec = {
.ops = &rtw8822c_ops,
.id = RTW_CHIP_TYPE_8822C,
.fw_name = "rtw88/rtw8822c_fw.bin",
+ .wlan_cpu = RTW_WCPU_11AC,
.tx_pkt_desc_sz = 48,
.tx_buf_desc_sz = 16,
.rx_pkt_desc_sz = 24,
@@ -4145,10 +4316,13 @@ struct rtw_chip_info rtw8822c_hw_spec = {
.pwr_off_seq = card_disable_flow_8822c,
.page_table = page_table_8822c,
.rqpn_table = rqpn_table_8822c,
+ .prioq_addrs = &prioq_addrs_8822c,
.intf_table = &phy_para_table_8822c,
.dig = rtw8822c_dig,
+ .dig_cck = NULL,
.rf_base_addr = {0x3c00, 0x4c00},
.rf_sipi_addr = {0x1808, 0x4108},
+ .ltecoex_addr = &rtw8822c_ltecoex_addr,
.mac_tbl = &rtw8822c_mac_tbl,
.agc_tbl = &rtw8822c_agc_tbl,
.bb_tbl = &rtw8822c_bb_tbl,
@@ -4162,6 +4336,7 @@ struct rtw_chip_info rtw8822c_hw_spec = {
.iqk_threshold = 8,
.bfer_su_max_num = 2,
.bfer_mu_max_num = 1,
+ .rx_ldpc = true,
#ifdef CONFIG_PM
.wow_fw_name = "rtw88/rtw8822c_wow_fw.bin",
@@ -4201,3 +4376,7 @@ EXPORT_SYMBOL(rtw8822c_hw_spec);
MODULE_FIRMWARE("rtw88/rtw8822c_fw.bin");
MODULE_FIRMWARE("rtw88/rtw8822c_wow_fw.bin");
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822c driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.h b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
index dfd8662a0c0e..32b4771e04d0 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.h
@@ -309,4 +309,32 @@ const struct rtw_table name ## _tbl = { \
#define BIT_GS_PWSF GENMASK(27, 0)
#define BIT_RPT_DGAIN GENMASK(27, 16)
#define BIT_TX_CFIR GENMASK(31, 30)
+
+#define PPG_THERMAL_A 0x1ef
+#define PPG_THERMAL_B 0x1b0
+#define RF_THEMAL_MASK GENMASK(19, 16)
+#define PPG_2GL_TXAB 0x1d4
+#define PPG_2GM_TXAB 0x1ee
+#define PPG_2GH_TXAB 0x1d2
+#define PPG_2G_A_MASK GENMASK(3, 0)
+#define PPG_2G_B_MASK GENMASK(7, 4)
+#define PPG_5GL1_TXA 0x1ec
+#define PPG_5GL2_TXA 0x1e8
+#define PPG_5GM1_TXA 0x1e4
+#define PPG_5GM2_TXA 0x1e0
+#define PPG_5GH1_TXA 0x1dc
+#define PPG_5GL1_TXB 0x1eb
+#define PPG_5GL2_TXB 0x1e7
+#define PPG_5GM1_TXB 0x1e3
+#define PPG_5GM2_TXB 0x1df
+#define PPG_5GH1_TXB 0x1db
+#define PPG_5G_MASK GENMASK(4, 0)
+#define PPG_PABIAS_2GA 0x1d6
+#define PPG_PABIAS_2GB 0x1d5
+#define PPG_PABIAS_5GA 0x1d8
+#define PPG_PABIAS_5GB 0x1d7
+#define PPG_PABIAS_MASK GENMASK(3, 0)
+#define RF_PABIAS_2G_MASK GENMASK(15, 12)
+#define RF_PABIAS_5G_MASK GENMASK(19, 16)
+
#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c_table.c b/drivers/net/wireless/realtek/rtw88/rtw8822c_table.c
index d102a2c27757..08d01a7bb1bf 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c_table.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c_table.c
@@ -13,6 +13,7 @@ static const u32 rtw8822c_mac[] = {
RTW_DECL_TABLE_PHY_COND(rtw8822c_mac, rtw_phy_cfg_mac);
static const u32 rtw8822c_agc[] = {
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
0x1D90, 0x300001FF,
0x1D90, 0x300101FE,
0x1D90, 0x300201FD,
@@ -77,51 +78,313 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x303D0003,
0x1D90, 0x303E0002,
0x1D90, 0x303F0001,
- 0x1D90, 0x304000FF,
- 0x1D90, 0x304100FF,
- 0x1D90, 0x304200FF,
- 0x1D90, 0x304300FF,
- 0x1D90, 0x304400FE,
- 0x1D90, 0x304500FD,
- 0x1D90, 0x304600FC,
- 0x1D90, 0x304700FB,
- 0x1D90, 0x304800FA,
- 0x1D90, 0x304900F9,
- 0x1D90, 0x304A00F8,
- 0x1D90, 0x304B00F7,
- 0x1D90, 0x304C00F6,
- 0x1D90, 0x304D00F5,
- 0x1D90, 0x304E00F4,
- 0x1D90, 0x304F00F3,
- 0x1D90, 0x305000F2,
- 0x1D90, 0x305100F1,
- 0x1D90, 0x305200F0,
- 0x1D90, 0x305300EF,
- 0x1D90, 0x305400EE,
- 0x1D90, 0x305500ED,
- 0x1D90, 0x305600EC,
- 0x1D90, 0x305700EB,
- 0x1D90, 0x305800EA,
- 0x1D90, 0x305900E9,
- 0x1D90, 0x305A00E8,
- 0x1D90, 0x305B00E7,
- 0x1D90, 0x305C00E6,
- 0x1D90, 0x305D00C7,
- 0x1D90, 0x305E00C6,
- 0x1D90, 0x305F00C5,
- 0x1D90, 0x306000C4,
- 0x1D90, 0x306100C3,
- 0x1D90, 0x306200C2,
- 0x1D90, 0x306300A4,
- 0x1D90, 0x306400A3,
- 0x1D90, 0x306500A2,
- 0x1D90, 0x30660086,
- 0x1D90, 0x30670085,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x300001FF,
+ 0x1D90, 0x300101FE,
+ 0x1D90, 0x300201FD,
+ 0x1D90, 0x300301FC,
+ 0x1D90, 0x300401FB,
+ 0x1D90, 0x300501FA,
+ 0x1D90, 0x300601F9,
+ 0x1D90, 0x300701F8,
+ 0x1D90, 0x300801F7,
+ 0x1D90, 0x300901F6,
+ 0x1D90, 0x300A01F5,
+ 0x1D90, 0x300B01F4,
+ 0x1D90, 0x300C01F3,
+ 0x1D90, 0x300D01F2,
+ 0x1D90, 0x300E01F1,
+ 0x1D90, 0x300F01F0,
+ 0x1D90, 0x301001EF,
+ 0x1D90, 0x301101EE,
+ 0x1D90, 0x301201ED,
+ 0x1D90, 0x301301EC,
+ 0x1D90, 0x301401EB,
+ 0x1D90, 0x301501EA,
+ 0x1D90, 0x301601E9,
+ 0x1D90, 0x301701E8,
+ 0x1D90, 0x301801E7,
+ 0x1D90, 0x301901E5,
+ 0x1D90, 0x301A01E4,
+ 0x1D90, 0x301B01C5,
+ 0x1D90, 0x301C01C4,
+ 0x1D90, 0x301D01C3,
+ 0x1D90, 0x301E01C2,
+ 0x1D90, 0x301F0188,
+ 0x1D90, 0x30200187,
+ 0x1D90, 0x30210186,
+ 0x1D90, 0x30220184,
+ 0x1D90, 0x30230183,
+ 0x1D90, 0x30240182,
+ 0x1D90, 0x30250181,
+ 0x1D90, 0x30260148,
+ 0x1D90, 0x30270147,
+ 0x1D90, 0x30280146,
+ 0x1D90, 0x30290144,
+ 0x1D90, 0x302A0143,
+ 0x1D90, 0x302B0142,
+ 0x1D90, 0x302C0141,
+ 0x1D90, 0x302D00C8,
+ 0x1D90, 0x302E00C7,
+ 0x1D90, 0x302F00C6,
+ 0x1D90, 0x303000C5,
+ 0x1D90, 0x303100C4,
+ 0x1D90, 0x303200C3,
+ 0x1D90, 0x30330048,
+ 0x1D90, 0x30340047,
+ 0x1D90, 0x30350046,
+ 0x1D90, 0x30360045,
+ 0x1D90, 0x30370025,
+ 0x1D90, 0x30380024,
+ 0x1D90, 0x30390023,
+ 0x1D90, 0x303A0022,
+ 0x1D90, 0x303B0021,
+ 0x1D90, 0x303C0020,
+ 0x1D90, 0x303D0003,
+ 0x1D90, 0x303E0002,
+ 0x1D90, 0x303F0001,
+ 0xA0000000, 0x00000000,
+ 0x1D90, 0x300001FF,
+ 0x1D90, 0x300101FE,
+ 0x1D90, 0x300201FD,
+ 0x1D90, 0x300301FC,
+ 0x1D90, 0x300401FB,
+ 0x1D90, 0x300501FA,
+ 0x1D90, 0x300601F9,
+ 0x1D90, 0x300701F8,
+ 0x1D90, 0x300801F7,
+ 0x1D90, 0x300901F6,
+ 0x1D90, 0x300A01F5,
+ 0x1D90, 0x300B01F4,
+ 0x1D90, 0x300C01F3,
+ 0x1D90, 0x300D01F2,
+ 0x1D90, 0x300E01F1,
+ 0x1D90, 0x300F01F0,
+ 0x1D90, 0x301001EF,
+ 0x1D90, 0x301101EE,
+ 0x1D90, 0x301201ED,
+ 0x1D90, 0x301301EC,
+ 0x1D90, 0x301401EB,
+ 0x1D90, 0x301501EA,
+ 0x1D90, 0x301601E9,
+ 0x1D90, 0x301701E8,
+ 0x1D90, 0x301801E7,
+ 0x1D90, 0x301901E5,
+ 0x1D90, 0x301A01E4,
+ 0x1D90, 0x301B01C5,
+ 0x1D90, 0x301C01C4,
+ 0x1D90, 0x301D01C3,
+ 0x1D90, 0x301E01C2,
+ 0x1D90, 0x301F0188,
+ 0x1D90, 0x30200187,
+ 0x1D90, 0x30210186,
+ 0x1D90, 0x30220184,
+ 0x1D90, 0x30230183,
+ 0x1D90, 0x30240182,
+ 0x1D90, 0x30250181,
+ 0x1D90, 0x30260148,
+ 0x1D90, 0x30270147,
+ 0x1D90, 0x30280146,
+ 0x1D90, 0x30290144,
+ 0x1D90, 0x302A0143,
+ 0x1D90, 0x302B0142,
+ 0x1D90, 0x302C0141,
+ 0x1D90, 0x302D00C8,
+ 0x1D90, 0x302E00C7,
+ 0x1D90, 0x302F00C6,
+ 0x1D90, 0x303000C5,
+ 0x1D90, 0x303100C4,
+ 0x1D90, 0x303200C3,
+ 0x1D90, 0x30330048,
+ 0x1D90, 0x30340047,
+ 0x1D90, 0x30350046,
+ 0x1D90, 0x30360045,
+ 0x1D90, 0x30370025,
+ 0x1D90, 0x30380024,
+ 0x1D90, 0x30390023,
+ 0x1D90, 0x303A0022,
+ 0x1D90, 0x303B0021,
+ 0x1D90, 0x303C0020,
+ 0x1D90, 0x303D0003,
+ 0x1D90, 0x303E0002,
+ 0x1D90, 0x303F0001,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x304001FD,
+ 0x1D90, 0x304101FC,
+ 0x1D90, 0x304201FB,
+ 0x1D90, 0x304301FA,
+ 0x1D90, 0x304401F9,
+ 0x1D90, 0x304501F8,
+ 0x1D90, 0x304601F7,
+ 0x1D90, 0x304701F6,
+ 0x1D90, 0x304801F5,
+ 0x1D90, 0x304901F4,
+ 0x1D90, 0x304A01F3,
+ 0x1D90, 0x304B01F2,
+ 0x1D90, 0x304C01F1,
+ 0x1D90, 0x304D01F0,
+ 0x1D90, 0x304E01EF,
+ 0x1D90, 0x304F00EE,
+ 0x1D90, 0x305000ED,
+ 0x1D90, 0x305100EC,
+ 0x1D90, 0x305200EB,
+ 0x1D90, 0x305300EA,
+ 0x1D90, 0x305400E9,
+ 0x1D90, 0x305500E8,
+ 0x1D90, 0x305600E7,
+ 0x1D90, 0x305700E6,
+ 0x1D90, 0x305800E5,
+ 0x1D90, 0x305900E4,
+ 0x1D90, 0x305A00E3,
+ 0x1D90, 0x305B00C3,
+ 0x1D90, 0x305C00C2,
+ 0x1D90, 0x305D00A4,
+ 0x1D90, 0x305E00A3,
+ 0x1D90, 0x305F00A2,
+ 0x1D90, 0x306000A1,
+ 0x1D90, 0x30610085,
+ 0x1D90, 0x30620084,
+ 0x1D90, 0x30630083,
+ 0x1D90, 0x30640082,
+ 0x1D90, 0x30650069,
+ 0x1D90, 0x30660068,
+ 0x1D90, 0x30670067,
+ 0x1D90, 0x30680066,
+ 0x1D90, 0x30690065,
+ 0x1D90, 0x306A0064,
+ 0x1D90, 0x306B0063,
+ 0x1D90, 0x306C0043,
+ 0x1D90, 0x306D0042,
+ 0x1D90, 0x306E0041,
+ 0x1D90, 0x306F0025,
+ 0x1D90, 0x30700024,
+ 0x1D90, 0x30710023,
+ 0x1D90, 0x30720022,
+ 0x1D90, 0x30730021,
+ 0x1D90, 0x30740020,
+ 0x1D90, 0x30750004,
+ 0x1D90, 0x30760003,
+ 0x1D90, 0x30770002,
+ 0x1D90, 0x30780001,
+ 0x1D90, 0x30790000,
+ 0x1D90, 0x307A0000,
+ 0x1D90, 0x307B0000,
+ 0x1D90, 0x307C0000,
+ 0x1D90, 0x307D0000,
+ 0x1D90, 0x307E0000,
+ 0x1D90, 0x307F0000,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x304001FD,
+ 0x1D90, 0x304101FC,
+ 0x1D90, 0x304201FB,
+ 0x1D90, 0x304301FA,
+ 0x1D90, 0x304401F9,
+ 0x1D90, 0x304501F8,
+ 0x1D90, 0x304601F7,
+ 0x1D90, 0x304701F6,
+ 0x1D90, 0x304801F5,
+ 0x1D90, 0x304901F4,
+ 0x1D90, 0x304A01F3,
+ 0x1D90, 0x304B01F2,
+ 0x1D90, 0x304C01F1,
+ 0x1D90, 0x304D01F0,
+ 0x1D90, 0x304E01EF,
+ 0x1D90, 0x304F00EE,
+ 0x1D90, 0x305000ED,
+ 0x1D90, 0x305100EC,
+ 0x1D90, 0x305200EB,
+ 0x1D90, 0x305300EA,
+ 0x1D90, 0x305400E9,
+ 0x1D90, 0x305500E8,
+ 0x1D90, 0x305600E7,
+ 0x1D90, 0x305700E6,
+ 0x1D90, 0x305800E5,
+ 0x1D90, 0x305900E4,
+ 0x1D90, 0x305A00E3,
+ 0x1D90, 0x305B00C3,
+ 0x1D90, 0x305C00C2,
+ 0x1D90, 0x305D00A4,
+ 0x1D90, 0x305E00A3,
+ 0x1D90, 0x305F00A2,
+ 0x1D90, 0x306000A1,
+ 0x1D90, 0x30610085,
+ 0x1D90, 0x30620084,
+ 0x1D90, 0x30630083,
+ 0x1D90, 0x30640082,
+ 0x1D90, 0x30650069,
+ 0x1D90, 0x30660068,
+ 0x1D90, 0x30670067,
+ 0x1D90, 0x30680066,
+ 0x1D90, 0x30690065,
+ 0x1D90, 0x306A0064,
+ 0x1D90, 0x306B0063,
+ 0x1D90, 0x306C0043,
+ 0x1D90, 0x306D0042,
+ 0x1D90, 0x306E0041,
+ 0x1D90, 0x306F0025,
+ 0x1D90, 0x30700024,
+ 0x1D90, 0x30710023,
+ 0x1D90, 0x30720022,
+ 0x1D90, 0x30730021,
+ 0x1D90, 0x30740020,
+ 0x1D90, 0x30750004,
+ 0x1D90, 0x30760003,
+ 0x1D90, 0x30770002,
+ 0x1D90, 0x30780001,
+ 0x1D90, 0x30790000,
+ 0x1D90, 0x307A0000,
+ 0x1D90, 0x307B0000,
+ 0x1D90, 0x307C0000,
+ 0x1D90, 0x307D0000,
+ 0x1D90, 0x307E0000,
+ 0x1D90, 0x307F0000,
+ 0xA0000000, 0x00000000,
+ 0x1D90, 0x3040011F,
+ 0x1D90, 0x3041011F,
+ 0x1D90, 0x3042011F,
+ 0x1D90, 0x3043011F,
+ 0x1D90, 0x3044011F,
+ 0x1D90, 0x3045011F,
+ 0x1D90, 0x3046011F,
+ 0x1D90, 0x3047011F,
+ 0x1D90, 0x3048011F,
+ 0x1D90, 0x3049011F,
+ 0x1D90, 0x304A011F,
+ 0x1D90, 0x304B011F,
+ 0x1D90, 0x304C011F,
+ 0x1D90, 0x304D011F,
+ 0x1D90, 0x304E011F,
+ 0x1D90, 0x304F00F4,
+ 0x1D90, 0x305000F3,
+ 0x1D90, 0x305100F2,
+ 0x1D90, 0x305200F1,
+ 0x1D90, 0x305300F0,
+ 0x1D90, 0x305400EF,
+ 0x1D90, 0x305500EE,
+ 0x1D90, 0x305600ED,
+ 0x1D90, 0x305700EC,
+ 0x1D90, 0x305800EB,
+ 0x1D90, 0x305900EA,
+ 0x1D90, 0x305A00E9,
+ 0x1D90, 0x305B00E8,
+ 0x1D90, 0x305C00E7,
+ 0x1D90, 0x305D00E6,
+ 0x1D90, 0x305E00E4,
+ 0x1D90, 0x305F00E3,
+ 0x1D90, 0x306000E2,
+ 0x1D90, 0x306100C4,
+ 0x1D90, 0x306200C3,
+ 0x1D90, 0x306300C2,
+ 0x1D90, 0x306400A4,
+ 0x1D90, 0x306500A3,
+ 0x1D90, 0x306600A2,
+ 0x1D90, 0x306700A1,
0x1D90, 0x30680084,
0x1D90, 0x30690083,
0x1D90, 0x306A0082,
- 0x1D90, 0x306B0069,
- 0x1D90, 0x306C0068,
+ 0x1D90, 0x306B0081,
+ 0x1D90, 0x306C0080,
0x1D90, 0x306D0067,
0x1D90, 0x306E0066,
0x1D90, 0x306F0065,
@@ -130,131 +393,395 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x30720044,
0x1D90, 0x30730043,
0x1D90, 0x30740042,
- 0x1D90, 0x30750025,
+ 0x1D90, 0x30750041,
0x1D90, 0x30760024,
0x1D90, 0x30770023,
0x1D90, 0x30780022,
0x1D90, 0x30790021,
0x1D90, 0x307A0020,
- 0x1D90, 0x307B0003,
- 0x1D90, 0x307C0002,
- 0x1D90, 0x307D0001,
- 0x1D90, 0x307E0000,
+ 0x1D90, 0x307B0004,
+ 0x1D90, 0x307C0003,
+ 0x1D90, 0x307D0002,
+ 0x1D90, 0x307E0001,
0x1D90, 0x307F0000,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x308000FA,
+ 0x1D90, 0x308100F9,
+ 0x1D90, 0x308200F8,
+ 0x1D90, 0x308300F7,
+ 0x1D90, 0x308400F6,
+ 0x1D90, 0x308500F5,
+ 0x1D90, 0x308600F4,
+ 0x1D90, 0x308700F3,
+ 0x1D90, 0x308800F2,
+ 0x1D90, 0x308900F1,
+ 0x1D90, 0x308A00F0,
+ 0x1D90, 0x308B00EF,
+ 0x1D90, 0x308C00EE,
+ 0x1D90, 0x308D00ED,
+ 0x1D90, 0x308E00EC,
+ 0x1D90, 0x308F00EB,
+ 0x1D90, 0x309000EA,
+ 0x1D90, 0x309100E8,
+ 0x1D90, 0x309200E7,
+ 0x1D90, 0x309300E6,
+ 0x1D90, 0x309400E5,
+ 0x1D90, 0x309500E4,
+ 0x1D90, 0x309600C4,
+ 0x1D90, 0x309700C3,
+ 0x1D90, 0x309800C2,
+ 0x1D90, 0x309900C1,
+ 0x1D90, 0x309A00A3,
+ 0x1D90, 0x309B00A2,
+ 0x1D90, 0x309C00A1,
+ 0x1D90, 0x309D0085,
+ 0x1D90, 0x309E0084,
+ 0x1D90, 0x309F0083,
+ 0x1D90, 0x30A00082,
+ 0x1D90, 0x30A10081,
+ 0x1D90, 0x30A20067,
+ 0x1D90, 0x30A30066,
+ 0x1D90, 0x30A40065,
+ 0x1D90, 0x30A50064,
+ 0x1D90, 0x30A60063,
+ 0x1D90, 0x30A70044,
+ 0x1D90, 0x30A80043,
+ 0x1D90, 0x30A90042,
+ 0x1D90, 0x30AA0026,
+ 0x1D90, 0x30AB0025,
+ 0x1D90, 0x30AC0024,
+ 0x1D90, 0x30AD0023,
+ 0x1D90, 0x30AE0022,
+ 0x1D90, 0x30AF0021,
+ 0x1D90, 0x30B00005,
+ 0x1D90, 0x30B10004,
+ 0x1D90, 0x30B20003,
+ 0x1D90, 0x30B30002,
+ 0x1D90, 0x30B40001,
+ 0x1D90, 0x30B50000,
+ 0x1D90, 0x30B60000,
+ 0x1D90, 0x30B70000,
+ 0x1D90, 0x30B80000,
+ 0x1D90, 0x30B90000,
+ 0x1D90, 0x30BA0000,
+ 0x1D90, 0x30BB0000,
+ 0x1D90, 0x30BC0000,
+ 0x1D90, 0x30BD0000,
+ 0x1D90, 0x30BE0000,
+ 0x1D90, 0x30BF0000,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x308000FA,
+ 0x1D90, 0x308100F9,
+ 0x1D90, 0x308200F8,
+ 0x1D90, 0x308300F7,
+ 0x1D90, 0x308400F6,
+ 0x1D90, 0x308500F5,
+ 0x1D90, 0x308600F4,
+ 0x1D90, 0x308700F3,
+ 0x1D90, 0x308800F2,
+ 0x1D90, 0x308900F1,
+ 0x1D90, 0x308A00F0,
+ 0x1D90, 0x308B00EF,
+ 0x1D90, 0x308C00EE,
+ 0x1D90, 0x308D00ED,
+ 0x1D90, 0x308E00EC,
+ 0x1D90, 0x308F00EB,
+ 0x1D90, 0x309000EA,
+ 0x1D90, 0x309100E8,
+ 0x1D90, 0x309200E7,
+ 0x1D90, 0x309300E6,
+ 0x1D90, 0x309400E5,
+ 0x1D90, 0x309500E4,
+ 0x1D90, 0x309600C4,
+ 0x1D90, 0x309700C3,
+ 0x1D90, 0x309800C2,
+ 0x1D90, 0x309900C1,
+ 0x1D90, 0x309A00A3,
+ 0x1D90, 0x309B00A2,
+ 0x1D90, 0x309C00A1,
+ 0x1D90, 0x309D0085,
+ 0x1D90, 0x309E0084,
+ 0x1D90, 0x309F0083,
+ 0x1D90, 0x30A00082,
+ 0x1D90, 0x30A10081,
+ 0x1D90, 0x30A20067,
+ 0x1D90, 0x30A30066,
+ 0x1D90, 0x30A40065,
+ 0x1D90, 0x30A50064,
+ 0x1D90, 0x30A60063,
+ 0x1D90, 0x30A70044,
+ 0x1D90, 0x30A80043,
+ 0x1D90, 0x30A90042,
+ 0x1D90, 0x30AA0026,
+ 0x1D90, 0x30AB0025,
+ 0x1D90, 0x30AC0024,
+ 0x1D90, 0x30AD0023,
+ 0x1D90, 0x30AE0022,
+ 0x1D90, 0x30AF0021,
+ 0x1D90, 0x30B00005,
+ 0x1D90, 0x30B10004,
+ 0x1D90, 0x30B20003,
+ 0x1D90, 0x30B30002,
+ 0x1D90, 0x30B40001,
+ 0x1D90, 0x30B50000,
+ 0x1D90, 0x30B60000,
+ 0x1D90, 0x30B70000,
+ 0x1D90, 0x30B80000,
+ 0x1D90, 0x30B90000,
+ 0x1D90, 0x30BA0000,
+ 0x1D90, 0x30BB0000,
+ 0x1D90, 0x30BC0000,
+ 0x1D90, 0x30BD0000,
+ 0x1D90, 0x30BE0000,
+ 0x1D90, 0x30BF0000,
+ 0xA0000000, 0x00000000,
0x1D90, 0x308000FF,
0x1D90, 0x308100FF,
0x1D90, 0x308200FF,
0x1D90, 0x308300FF,
- 0x1D90, 0x308400FE,
- 0x1D90, 0x308500FD,
- 0x1D90, 0x308600FC,
- 0x1D90, 0x308700FB,
- 0x1D90, 0x308800FA,
- 0x1D90, 0x308900F9,
- 0x1D90, 0x308A00F8,
- 0x1D90, 0x308B00F7,
- 0x1D90, 0x308C00F6,
- 0x1D90, 0x308D00F5,
- 0x1D90, 0x308E00F4,
- 0x1D90, 0x308F00F3,
- 0x1D90, 0x309000F2,
- 0x1D90, 0x309100F1,
- 0x1D90, 0x309200F0,
- 0x1D90, 0x309300EF,
- 0x1D90, 0x309400EE,
- 0x1D90, 0x309500ED,
- 0x1D90, 0x309600EC,
- 0x1D90, 0x309700EB,
- 0x1D90, 0x309800EA,
- 0x1D90, 0x309900E9,
- 0x1D90, 0x309A00E8,
- 0x1D90, 0x309B00E7,
- 0x1D90, 0x309C00E6,
- 0x1D90, 0x309D00C7,
- 0x1D90, 0x309E00C6,
- 0x1D90, 0x309F00C5,
+ 0x1D90, 0x308400FF,
+ 0x1D90, 0x308500FF,
+ 0x1D90, 0x308600FE,
+ 0x1D90, 0x308700FD,
+ 0x1D90, 0x308800FC,
+ 0x1D90, 0x308900FB,
+ 0x1D90, 0x308A00FA,
+ 0x1D90, 0x308B00F9,
+ 0x1D90, 0x308C00F8,
+ 0x1D90, 0x308D00F7,
+ 0x1D90, 0x308E00F6,
+ 0x1D90, 0x308F00F5,
+ 0x1D90, 0x309000F4,
+ 0x1D90, 0x309100F3,
+ 0x1D90, 0x309200F2,
+ 0x1D90, 0x309300F1,
+ 0x1D90, 0x309400F0,
+ 0x1D90, 0x309500EF,
+ 0x1D90, 0x309600EE,
+ 0x1D90, 0x309700ED,
+ 0x1D90, 0x309800EC,
+ 0x1D90, 0x309900EB,
+ 0x1D90, 0x309A00EA,
+ 0x1D90, 0x309B00E8,
+ 0x1D90, 0x309C00E7,
+ 0x1D90, 0x309D00E6,
+ 0x1D90, 0x309E00E5,
+ 0x1D90, 0x309F00E4,
0x1D90, 0x30A000C4,
0x1D90, 0x30A100C3,
0x1D90, 0x30A200C2,
- 0x1D90, 0x30A300A4,
+ 0x1D90, 0x30A300C1,
0x1D90, 0x30A400A3,
0x1D90, 0x30A500A2,
- 0x1D90, 0x30A60086,
+ 0x1D90, 0x30A600A1,
0x1D90, 0x30A70085,
0x1D90, 0x30A80084,
0x1D90, 0x30A90083,
0x1D90, 0x30AA0082,
- 0x1D90, 0x30AB0069,
- 0x1D90, 0x30AC0068,
- 0x1D90, 0x30AD0067,
- 0x1D90, 0x30AE0066,
- 0x1D90, 0x30AF0065,
- 0x1D90, 0x30B00064,
- 0x1D90, 0x30B10063,
- 0x1D90, 0x30B20044,
- 0x1D90, 0x30B30043,
- 0x1D90, 0x30B40042,
+ 0x1D90, 0x30AB0081,
+ 0x1D90, 0x30AC0067,
+ 0x1D90, 0x30AD0066,
+ 0x1D90, 0x30AE0065,
+ 0x1D90, 0x30AF0064,
+ 0x1D90, 0x30B00063,
+ 0x1D90, 0x30B10044,
+ 0x1D90, 0x30B20043,
+ 0x1D90, 0x30B30042,
+ 0x1D90, 0x30B40026,
0x1D90, 0x30B50025,
0x1D90, 0x30B60024,
0x1D90, 0x30B70023,
0x1D90, 0x30B80022,
0x1D90, 0x30B90021,
- 0x1D90, 0x30BA0020,
- 0x1D90, 0x30BB0003,
- 0x1D90, 0x30BC0002,
- 0x1D90, 0x30BD0001,
- 0x1D90, 0x30BE0000,
+ 0x1D90, 0x30BA0005,
+ 0x1D90, 0x30BB0004,
+ 0x1D90, 0x30BC0003,
+ 0x1D90, 0x30BD0002,
+ 0x1D90, 0x30BE0001,
0x1D90, 0x30BF0000,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x30C000F8,
+ 0x1D90, 0x30C100F7,
+ 0x1D90, 0x30C200F6,
+ 0x1D90, 0x30C300F5,
+ 0x1D90, 0x30C400F4,
+ 0x1D90, 0x30C500F3,
+ 0x1D90, 0x30C600F2,
+ 0x1D90, 0x30C700F1,
+ 0x1D90, 0x30C800F0,
+ 0x1D90, 0x30C900EF,
+ 0x1D90, 0x30CA00EE,
+ 0x1D90, 0x30CB00ED,
+ 0x1D90, 0x30CC00EC,
+ 0x1D90, 0x30CD00EB,
+ 0x1D90, 0x30CE00EA,
+ 0x1D90, 0x30CF00E8,
+ 0x1D90, 0x30D000E7,
+ 0x1D90, 0x30D100E6,
+ 0x1D90, 0x30D200E5,
+ 0x1D90, 0x30D300E4,
+ 0x1D90, 0x30D400E3,
+ 0x1D90, 0x30D500E2,
+ 0x1D90, 0x30D600A6,
+ 0x1D90, 0x30D700A5,
+ 0x1D90, 0x30D800A4,
+ 0x1D90, 0x30D900A3,
+ 0x1D90, 0x30DA00A2,
+ 0x1D90, 0x30DB0086,
+ 0x1D90, 0x30DC0085,
+ 0x1D90, 0x30DD0084,
+ 0x1D90, 0x30DE0083,
+ 0x1D90, 0x30DF0081,
+ 0x1D90, 0x30E00068,
+ 0x1D90, 0x30E10067,
+ 0x1D90, 0x30E20066,
+ 0x1D90, 0x30E30065,
+ 0x1D90, 0x30E40064,
+ 0x1D90, 0x30E50045,
+ 0x1D90, 0x30E60044,
+ 0x1D90, 0x30E70043,
+ 0x1D90, 0x30E80042,
+ 0x1D90, 0x30E90025,
+ 0x1D90, 0x30EA0024,
+ 0x1D90, 0x30EB0023,
+ 0x1D90, 0x30EC0022,
+ 0x1D90, 0x30ED0021,
+ 0x1D90, 0x30EE0005,
+ 0x1D90, 0x30EF0004,
+ 0x1D90, 0x30F00003,
+ 0x1D90, 0x30F10002,
+ 0x1D90, 0x30F20001,
+ 0x1D90, 0x30F30000,
+ 0x1D90, 0x30F40000,
+ 0x1D90, 0x30F50000,
+ 0x1D90, 0x30F60000,
+ 0x1D90, 0x30F70000,
+ 0x1D90, 0x30F80000,
+ 0x1D90, 0x30F90000,
+ 0x1D90, 0x30FA0000,
+ 0x1D90, 0x30FB0000,
+ 0x1D90, 0x30FC0000,
+ 0x1D90, 0x30FD0000,
+ 0x1D90, 0x30FE0000,
+ 0x1D90, 0x30FF0000,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x30C000F8,
+ 0x1D90, 0x30C100F7,
+ 0x1D90, 0x30C200F6,
+ 0x1D90, 0x30C300F5,
+ 0x1D90, 0x30C400F4,
+ 0x1D90, 0x30C500F3,
+ 0x1D90, 0x30C600F2,
+ 0x1D90, 0x30C700F1,
+ 0x1D90, 0x30C800F0,
+ 0x1D90, 0x30C900EF,
+ 0x1D90, 0x30CA00EE,
+ 0x1D90, 0x30CB00ED,
+ 0x1D90, 0x30CC00EC,
+ 0x1D90, 0x30CD00EB,
+ 0x1D90, 0x30CE00EA,
+ 0x1D90, 0x30CF00E8,
+ 0x1D90, 0x30D000E7,
+ 0x1D90, 0x30D100E6,
+ 0x1D90, 0x30D200E5,
+ 0x1D90, 0x30D300E4,
+ 0x1D90, 0x30D400E3,
+ 0x1D90, 0x30D500E2,
+ 0x1D90, 0x30D600A6,
+ 0x1D90, 0x30D700A5,
+ 0x1D90, 0x30D800A4,
+ 0x1D90, 0x30D900A3,
+ 0x1D90, 0x30DA00A2,
+ 0x1D90, 0x30DB0086,
+ 0x1D90, 0x30DC0085,
+ 0x1D90, 0x30DD0084,
+ 0x1D90, 0x30DE0083,
+ 0x1D90, 0x30DF0081,
+ 0x1D90, 0x30E00068,
+ 0x1D90, 0x30E10067,
+ 0x1D90, 0x30E20066,
+ 0x1D90, 0x30E30065,
+ 0x1D90, 0x30E40064,
+ 0x1D90, 0x30E50045,
+ 0x1D90, 0x30E60044,
+ 0x1D90, 0x30E70043,
+ 0x1D90, 0x30E80042,
+ 0x1D90, 0x30E90025,
+ 0x1D90, 0x30EA0024,
+ 0x1D90, 0x30EB0023,
+ 0x1D90, 0x30EC0022,
+ 0x1D90, 0x30ED0021,
+ 0x1D90, 0x30EE0005,
+ 0x1D90, 0x30EF0004,
+ 0x1D90, 0x30F00003,
+ 0x1D90, 0x30F10002,
+ 0x1D90, 0x30F20001,
+ 0x1D90, 0x30F30000,
+ 0x1D90, 0x30F40000,
+ 0x1D90, 0x30F50000,
+ 0x1D90, 0x30F60000,
+ 0x1D90, 0x30F70000,
+ 0x1D90, 0x30F80000,
+ 0x1D90, 0x30F90000,
+ 0x1D90, 0x30FA0000,
+ 0x1D90, 0x30FB0000,
+ 0x1D90, 0x30FC0000,
+ 0x1D90, 0x30FD0000,
+ 0x1D90, 0x30FE0000,
+ 0x1D90, 0x30FF0000,
+ 0xA0000000, 0x00000000,
0x1D90, 0x30C000FF,
0x1D90, 0x30C100FF,
0x1D90, 0x30C200FF,
0x1D90, 0x30C300FF,
- 0x1D90, 0x30C400FE,
- 0x1D90, 0x30C500FD,
- 0x1D90, 0x30C600FC,
- 0x1D90, 0x30C700FB,
- 0x1D90, 0x30C800FA,
- 0x1D90, 0x30C900F9,
- 0x1D90, 0x30CA00F8,
- 0x1D90, 0x30CB00F7,
- 0x1D90, 0x30CC00F6,
- 0x1D90, 0x30CD00F5,
- 0x1D90, 0x30CE00F4,
- 0x1D90, 0x30CF00F3,
- 0x1D90, 0x30D000F2,
- 0x1D90, 0x30D100F1,
- 0x1D90, 0x30D200F0,
- 0x1D90, 0x30D300EF,
- 0x1D90, 0x30D400EE,
- 0x1D90, 0x30D500ED,
- 0x1D90, 0x30D600EC,
- 0x1D90, 0x30D700EB,
- 0x1D90, 0x30D800EA,
- 0x1D90, 0x30D900E9,
- 0x1D90, 0x30DA00E8,
- 0x1D90, 0x30DB00E7,
- 0x1D90, 0x30DC00E6,
- 0x1D90, 0x30DD00C7,
- 0x1D90, 0x30DE00C6,
- 0x1D90, 0x30DF00C5,
- 0x1D90, 0x30E000C4,
- 0x1D90, 0x30E100C3,
- 0x1D90, 0x30E200C2,
- 0x1D90, 0x30E300A4,
- 0x1D90, 0x30E400A3,
- 0x1D90, 0x30E500A2,
- 0x1D90, 0x30E60086,
- 0x1D90, 0x30E70085,
- 0x1D90, 0x30E80084,
- 0x1D90, 0x30E90083,
- 0x1D90, 0x30EA0082,
- 0x1D90, 0x30EB0069,
- 0x1D90, 0x30EC0068,
- 0x1D90, 0x30ED0067,
- 0x1D90, 0x30EE0066,
- 0x1D90, 0x30EF0065,
- 0x1D90, 0x30F00064,
- 0x1D90, 0x30F10063,
+ 0x1D90, 0x30C400FF,
+ 0x1D90, 0x30C500FF,
+ 0x1D90, 0x30C600FE,
+ 0x1D90, 0x30C700FD,
+ 0x1D90, 0x30C800FC,
+ 0x1D90, 0x30C900FB,
+ 0x1D90, 0x30CA00FA,
+ 0x1D90, 0x30CB00F9,
+ 0x1D90, 0x30CC00F8,
+ 0x1D90, 0x30CD00F7,
+ 0x1D90, 0x30CE00F6,
+ 0x1D90, 0x30CF00F5,
+ 0x1D90, 0x30D000F4,
+ 0x1D90, 0x30D100F3,
+ 0x1D90, 0x30D200F2,
+ 0x1D90, 0x30D300F1,
+ 0x1D90, 0x30D400F0,
+ 0x1D90, 0x30D500EF,
+ 0x1D90, 0x30D600EE,
+ 0x1D90, 0x30D700ED,
+ 0x1D90, 0x30D800EC,
+ 0x1D90, 0x30D900EB,
+ 0x1D90, 0x30DA00EA,
+ 0x1D90, 0x30DB00E8,
+ 0x1D90, 0x30DC00E7,
+ 0x1D90, 0x30DD00E6,
+ 0x1D90, 0x30DE00E5,
+ 0x1D90, 0x30DF00E4,
+ 0x1D90, 0x30E000E3,
+ 0x1D90, 0x30E100E2,
+ 0x1D90, 0x30E200A6,
+ 0x1D90, 0x30E300A5,
+ 0x1D90, 0x30E400A4,
+ 0x1D90, 0x30E500A3,
+ 0x1D90, 0x30E600A2,
+ 0x1D90, 0x30E70086,
+ 0x1D90, 0x30E80085,
+ 0x1D90, 0x30E90084,
+ 0x1D90, 0x30EA0083,
+ 0x1D90, 0x30EB0082,
+ 0x1D90, 0x30EC0067,
+ 0x1D90, 0x30ED0066,
+ 0x1D90, 0x30EE0065,
+ 0x1D90, 0x30EF0064,
+ 0x1D90, 0x30F00063,
+ 0x1D90, 0x30F10045,
0x1D90, 0x30F20044,
0x1D90, 0x30F30043,
0x1D90, 0x30F40042,
@@ -263,12 +790,14 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x30F70023,
0x1D90, 0x30F80022,
0x1D90, 0x30F90021,
- 0x1D90, 0x30FA0020,
- 0x1D90, 0x30FB0003,
- 0x1D90, 0x30FC0002,
- 0x1D90, 0x30FD0001,
- 0x1D90, 0x30FE0000,
+ 0x1D90, 0x30FA0005,
+ 0x1D90, 0x30FB0004,
+ 0x1D90, 0x30FC0003,
+ 0x1D90, 0x30FD0002,
+ 0x1D90, 0x30FE0001,
0x1D90, 0x30FF0000,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
0x1D90, 0x310001FF,
0x1D90, 0x310101FF,
0x1D90, 0x310201FF,
@@ -333,6 +862,203 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x313D0045,
0x1D90, 0x313E0044,
0x1D90, 0x313F0043,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x310001FF,
+ 0x1D90, 0x310101FF,
+ 0x1D90, 0x310201FF,
+ 0x1D90, 0x310301FF,
+ 0x1D90, 0x310401FF,
+ 0x1D90, 0x310501FF,
+ 0x1D90, 0x310601FF,
+ 0x1D90, 0x310701FF,
+ 0x1D90, 0x310801FF,
+ 0x1D90, 0x310901FE,
+ 0x1D90, 0x310A01FD,
+ 0x1D90, 0x310B01FC,
+ 0x1D90, 0x310C01FB,
+ 0x1D90, 0x310D01FA,
+ 0x1D90, 0x310E01F9,
+ 0x1D90, 0x310F01F8,
+ 0x1D90, 0x311001F7,
+ 0x1D90, 0x311101F6,
+ 0x1D90, 0x311201F5,
+ 0x1D90, 0x311301F4,
+ 0x1D90, 0x311401F3,
+ 0x1D90, 0x311501F2,
+ 0x1D90, 0x311601F1,
+ 0x1D90, 0x311701F0,
+ 0x1D90, 0x311801EF,
+ 0x1D90, 0x311901EE,
+ 0x1D90, 0x311A01ED,
+ 0x1D90, 0x311B01EC,
+ 0x1D90, 0x311C01EB,
+ 0x1D90, 0x311D0192,
+ 0x1D90, 0x311E0191,
+ 0x1D90, 0x311F0190,
+ 0x1D90, 0x3120018F,
+ 0x1D90, 0x3121018E,
+ 0x1D90, 0x3122018D,
+ 0x1D90, 0x3123018C,
+ 0x1D90, 0x3124018B,
+ 0x1D90, 0x3125018A,
+ 0x1D90, 0x31260189,
+ 0x1D90, 0x31270188,
+ 0x1D90, 0x31280187,
+ 0x1D90, 0x31290186,
+ 0x1D90, 0x312A0185,
+ 0x1D90, 0x312B0149,
+ 0x1D90, 0x312C0148,
+ 0x1D90, 0x312D0147,
+ 0x1D90, 0x312E0146,
+ 0x1D90, 0x312F0145,
+ 0x1D90, 0x31300144,
+ 0x1D90, 0x31310143,
+ 0x1D90, 0x31320142,
+ 0x1D90, 0x31330141,
+ 0x1D90, 0x31340140,
+ 0x1D90, 0x313500C7,
+ 0x1D90, 0x313600C6,
+ 0x1D90, 0x313700C5,
+ 0x1D90, 0x313800C4,
+ 0x1D90, 0x313900C3,
+ 0x1D90, 0x313A0088,
+ 0x1D90, 0x313B0087,
+ 0x1D90, 0x313C0086,
+ 0x1D90, 0x313D0045,
+ 0x1D90, 0x313E0044,
+ 0x1D90, 0x313F0043,
+ 0xA0000000, 0x00000000,
+ 0x1D90, 0x310001FF,
+ 0x1D90, 0x310101FF,
+ 0x1D90, 0x310201FF,
+ 0x1D90, 0x310301FF,
+ 0x1D90, 0x310401FF,
+ 0x1D90, 0x310501FF,
+ 0x1D90, 0x310601FF,
+ 0x1D90, 0x310701FF,
+ 0x1D90, 0x310801FF,
+ 0x1D90, 0x310901FE,
+ 0x1D90, 0x310A01FD,
+ 0x1D90, 0x310B01FC,
+ 0x1D90, 0x310C01FB,
+ 0x1D90, 0x310D01FA,
+ 0x1D90, 0x310E01F9,
+ 0x1D90, 0x310F01F8,
+ 0x1D90, 0x311001F7,
+ 0x1D90, 0x311101F6,
+ 0x1D90, 0x311201F5,
+ 0x1D90, 0x311301F4,
+ 0x1D90, 0x311401F3,
+ 0x1D90, 0x311501F2,
+ 0x1D90, 0x311601F1,
+ 0x1D90, 0x311701F0,
+ 0x1D90, 0x311801EF,
+ 0x1D90, 0x311901EE,
+ 0x1D90, 0x311A01ED,
+ 0x1D90, 0x311B01EC,
+ 0x1D90, 0x311C01EB,
+ 0x1D90, 0x311D0192,
+ 0x1D90, 0x311E0191,
+ 0x1D90, 0x311F0190,
+ 0x1D90, 0x3120018F,
+ 0x1D90, 0x3121018E,
+ 0x1D90, 0x3122018D,
+ 0x1D90, 0x3123018C,
+ 0x1D90, 0x3124018B,
+ 0x1D90, 0x3125018A,
+ 0x1D90, 0x31260189,
+ 0x1D90, 0x31270188,
+ 0x1D90, 0x31280187,
+ 0x1D90, 0x31290186,
+ 0x1D90, 0x312A0185,
+ 0x1D90, 0x312B0149,
+ 0x1D90, 0x312C0148,
+ 0x1D90, 0x312D0147,
+ 0x1D90, 0x312E0146,
+ 0x1D90, 0x312F0145,
+ 0x1D90, 0x31300144,
+ 0x1D90, 0x31310143,
+ 0x1D90, 0x31320142,
+ 0x1D90, 0x31330141,
+ 0x1D90, 0x31340140,
+ 0x1D90, 0x313500C7,
+ 0x1D90, 0x313600C6,
+ 0x1D90, 0x313700C5,
+ 0x1D90, 0x313800C4,
+ 0x1D90, 0x313900C3,
+ 0x1D90, 0x313A0088,
+ 0x1D90, 0x313B0087,
+ 0x1D90, 0x313C0086,
+ 0x1D90, 0x313D0045,
+ 0x1D90, 0x313E0044,
+ 0x1D90, 0x313F0043,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x314001FF,
+ 0x1D90, 0x314101FF,
+ 0x1D90, 0x314201FF,
+ 0x1D90, 0x314301FF,
+ 0x1D90, 0x314401FF,
+ 0x1D90, 0x314501FF,
+ 0x1D90, 0x314601FF,
+ 0x1D90, 0x314701FE,
+ 0x1D90, 0x314801FD,
+ 0x1D90, 0x314901FC,
+ 0x1D90, 0x314A01FB,
+ 0x1D90, 0x314B01FA,
+ 0x1D90, 0x314C01F9,
+ 0x1D90, 0x314D01F8,
+ 0x1D90, 0x314E01F7,
+ 0x1D90, 0x314F01F6,
+ 0x1D90, 0x315001F5,
+ 0x1D90, 0x315101F4,
+ 0x1D90, 0x315201F3,
+ 0x1D90, 0x315301F2,
+ 0x1D90, 0x315401F1,
+ 0x1D90, 0x315501F0,
+ 0x1D90, 0x315601EF,
+ 0x1D90, 0x315701EE,
+ 0x1D90, 0x315801ED,
+ 0x1D90, 0x315901EC,
+ 0x1D90, 0x315A01EB,
+ 0x1D90, 0x315B01EA,
+ 0x1D90, 0x315C01E9,
+ 0x1D90, 0x315D018F,
+ 0x1D90, 0x315E018E,
+ 0x1D90, 0x315F018D,
+ 0x1D90, 0x3160018C,
+ 0x1D90, 0x3161018B,
+ 0x1D90, 0x3162018A,
+ 0x1D90, 0x31630189,
+ 0x1D90, 0x31640188,
+ 0x1D90, 0x31650187,
+ 0x1D90, 0x31660186,
+ 0x1D90, 0x31670185,
+ 0x1D90, 0x31680184,
+ 0x1D90, 0x31690183,
+ 0x1D90, 0x316A0182,
+ 0x1D90, 0x316B0149,
+ 0x1D90, 0x316C0148,
+ 0x1D90, 0x316D0147,
+ 0x1D90, 0x316E0146,
+ 0x1D90, 0x316F0145,
+ 0x1D90, 0x31700144,
+ 0x1D90, 0x31710143,
+ 0x1D90, 0x31720142,
+ 0x1D90, 0x31730141,
+ 0x1D90, 0x31740140,
+ 0x1D90, 0x317500C7,
+ 0x1D90, 0x317600C6,
+ 0x1D90, 0x317700C5,
+ 0x1D90, 0x317800C4,
+ 0x1D90, 0x317900C3,
+ 0x1D90, 0x317A0088,
+ 0x1D90, 0x317B0087,
+ 0x1D90, 0x317C0086,
+ 0x1D90, 0x317D0045,
+ 0x1D90, 0x317E0044,
+ 0x1D90, 0x317F0043,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
0x1D90, 0x314001FF,
0x1D90, 0x314101FF,
0x1D90, 0x314201FF,
@@ -397,6 +1123,73 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x317D0045,
0x1D90, 0x317E0044,
0x1D90, 0x317F0043,
+ 0xA0000000, 0x00000000,
+ 0x1D90, 0x314001FF,
+ 0x1D90, 0x314101FF,
+ 0x1D90, 0x314201FF,
+ 0x1D90, 0x314301FF,
+ 0x1D90, 0x314401FF,
+ 0x1D90, 0x314501FF,
+ 0x1D90, 0x314601FF,
+ 0x1D90, 0x314701FE,
+ 0x1D90, 0x314801FD,
+ 0x1D90, 0x314901FC,
+ 0x1D90, 0x314A01FB,
+ 0x1D90, 0x314B01FA,
+ 0x1D90, 0x314C01F9,
+ 0x1D90, 0x314D01F8,
+ 0x1D90, 0x314E01F7,
+ 0x1D90, 0x314F01F6,
+ 0x1D90, 0x315001F5,
+ 0x1D90, 0x315101F4,
+ 0x1D90, 0x315201F3,
+ 0x1D90, 0x315301F2,
+ 0x1D90, 0x315401F1,
+ 0x1D90, 0x315501F0,
+ 0x1D90, 0x315601EF,
+ 0x1D90, 0x315701EE,
+ 0x1D90, 0x315801ED,
+ 0x1D90, 0x315901EC,
+ 0x1D90, 0x315A01EB,
+ 0x1D90, 0x315B01EA,
+ 0x1D90, 0x315C01E9,
+ 0x1D90, 0x315D018F,
+ 0x1D90, 0x315E018E,
+ 0x1D90, 0x315F018D,
+ 0x1D90, 0x3160018C,
+ 0x1D90, 0x3161018B,
+ 0x1D90, 0x3162018A,
+ 0x1D90, 0x31630189,
+ 0x1D90, 0x31640188,
+ 0x1D90, 0x31650187,
+ 0x1D90, 0x31660186,
+ 0x1D90, 0x31670185,
+ 0x1D90, 0x31680184,
+ 0x1D90, 0x31690183,
+ 0x1D90, 0x316A0182,
+ 0x1D90, 0x316B0149,
+ 0x1D90, 0x316C0148,
+ 0x1D90, 0x316D0147,
+ 0x1D90, 0x316E0146,
+ 0x1D90, 0x316F0145,
+ 0x1D90, 0x31700144,
+ 0x1D90, 0x31710143,
+ 0x1D90, 0x31720142,
+ 0x1D90, 0x31730141,
+ 0x1D90, 0x31740140,
+ 0x1D90, 0x317500C7,
+ 0x1D90, 0x317600C6,
+ 0x1D90, 0x317700C5,
+ 0x1D90, 0x317800C4,
+ 0x1D90, 0x317900C3,
+ 0x1D90, 0x317A0088,
+ 0x1D90, 0x317B0087,
+ 0x1D90, 0x317C0086,
+ 0x1D90, 0x317D0045,
+ 0x1D90, 0x317E0044,
+ 0x1D90, 0x317F0043,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
0x1D90, 0x318001FE,
0x1D90, 0x318101FD,
0x1D90, 0x318201FC,
@@ -461,8 +1254,147 @@ static const u32 rtw8822c_agc[] = {
0x1D90, 0x31BD0003,
0x1D90, 0x31BE0002,
0x1D90, 0x31BF0001,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D90, 0x318001FE,
+ 0x1D90, 0x318101FD,
+ 0x1D90, 0x318201FC,
+ 0x1D90, 0x318301FB,
+ 0x1D90, 0x318401FA,
+ 0x1D90, 0x318501F9,
+ 0x1D90, 0x318601F8,
+ 0x1D90, 0x318701F7,
+ 0x1D90, 0x318801F6,
+ 0x1D90, 0x318901F5,
+ 0x1D90, 0x318A01F4,
+ 0x1D90, 0x318B01F3,
+ 0x1D90, 0x318C01F2,
+ 0x1D90, 0x318D01F1,
+ 0x1D90, 0x318E01F0,
+ 0x1D90, 0x318F01EF,
+ 0x1D90, 0x319001EE,
+ 0x1D90, 0x319101ED,
+ 0x1D90, 0x319201EC,
+ 0x1D90, 0x319301EB,
+ 0x1D90, 0x319401EA,
+ 0x1D90, 0x319501E9,
+ 0x1D90, 0x319601E7,
+ 0x1D90, 0x319701E6,
+ 0x1D90, 0x319801E5,
+ 0x1D90, 0x319901E4,
+ 0x1D90, 0x319A01A8,
+ 0x1D90, 0x319B01A7,
+ 0x1D90, 0x319C01A6,
+ 0x1D90, 0x319D01A5,
+ 0x1D90, 0x319E0185,
+ 0x1D90, 0x319F0184,
+ 0x1D90, 0x31A00183,
+ 0x1D90, 0x31A10182,
+ 0x1D90, 0x31A20149,
+ 0x1D90, 0x31A30148,
+ 0x1D90, 0x31A40147,
+ 0x1D90, 0x31A50145,
+ 0x1D90, 0x31A60144,
+ 0x1D90, 0x31A70143,
+ 0x1D90, 0x31A80142,
+ 0x1D90, 0x31A900E6,
+ 0x1D90, 0x31AA00E5,
+ 0x1D90, 0x31AB00C9,
+ 0x1D90, 0x31AC00C8,
+ 0x1D90, 0x31AD00C7,
+ 0x1D90, 0x31AE00C6,
+ 0x1D90, 0x31AF00C5,
+ 0x1D90, 0x31B000C4,
+ 0x1D90, 0x31B100C3,
+ 0x1D90, 0x31B20088,
+ 0x1D90, 0x31B30087,
+ 0x1D90, 0x31B40086,
+ 0x1D90, 0x31B50085,
+ 0x1D90, 0x31B60026,
+ 0x1D90, 0x31B70025,
+ 0x1D90, 0x31B80024,
+ 0x1D90, 0x31B90023,
+ 0x1D90, 0x31BA0022,
+ 0x1D90, 0x31BB0021,
+ 0x1D90, 0x31BC0020,
+ 0x1D90, 0x31BD0003,
+ 0x1D90, 0x31BE0002,
+ 0x1D90, 0x31BF0001,
+ 0xA0000000, 0x00000000,
+ 0x1D90, 0x318001FE,
+ 0x1D90, 0x318101FD,
+ 0x1D90, 0x318201FC,
+ 0x1D90, 0x318301FB,
+ 0x1D90, 0x318401FA,
+ 0x1D90, 0x318501F9,
+ 0x1D90, 0x318601F8,
+ 0x1D90, 0x318701F7,
+ 0x1D90, 0x318801F6,
+ 0x1D90, 0x318901F5,
+ 0x1D90, 0x318A01F4,
+ 0x1D90, 0x318B01F3,
+ 0x1D90, 0x318C01F2,
+ 0x1D90, 0x318D01F1,
+ 0x1D90, 0x318E01F0,
+ 0x1D90, 0x318F01EF,
+ 0x1D90, 0x319001EE,
+ 0x1D90, 0x319101ED,
+ 0x1D90, 0x319201EC,
+ 0x1D90, 0x319301EB,
+ 0x1D90, 0x319401EA,
+ 0x1D90, 0x319501E9,
+ 0x1D90, 0x319601E7,
+ 0x1D90, 0x319701E6,
+ 0x1D90, 0x319801E5,
+ 0x1D90, 0x319901E4,
+ 0x1D90, 0x319A01A8,
+ 0x1D90, 0x319B01A7,
+ 0x1D90, 0x319C01A6,
+ 0x1D90, 0x319D01A5,
+ 0x1D90, 0x319E0185,
+ 0x1D90, 0x319F0184,
+ 0x1D90, 0x31A00183,
+ 0x1D90, 0x31A10182,
+ 0x1D90, 0x31A20149,
+ 0x1D90, 0x31A30148,
+ 0x1D90, 0x31A40147,
+ 0x1D90, 0x31A50145,
+ 0x1D90, 0x31A60144,
+ 0x1D90, 0x31A70143,
+ 0x1D90, 0x31A80142,
+ 0x1D90, 0x31A900E6,
+ 0x1D90, 0x31AA00E5,
+ 0x1D90, 0x31AB00C9,
+ 0x1D90, 0x31AC00C8,
+ 0x1D90, 0x31AD00C7,
+ 0x1D90, 0x31AE00C6,
+ 0x1D90, 0x31AF00C5,
+ 0x1D90, 0x31B000C4,
+ 0x1D90, 0x31B100C3,
+ 0x1D90, 0x31B20088,
+ 0x1D90, 0x31B30087,
+ 0x1D90, 0x31B40086,
+ 0x1D90, 0x31B50085,
+ 0x1D90, 0x31B60026,
+ 0x1D90, 0x31B70025,
+ 0x1D90, 0x31B80024,
+ 0x1D90, 0x31B90023,
+ 0x1D90, 0x31BA0022,
+ 0x1D90, 0x31BB0021,
+ 0x1D90, 0x31BC0020,
+ 0x1D90, 0x31BD0003,
+ 0x1D90, 0x31BE0002,
+ 0x1D90, 0x31BF0001,
+ 0xB0000000, 0x00000000,
+ 0x80000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D70, 0x22222222,
+ 0x1D70, 0x20202020,
+ 0x90000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1D70, 0x22222222,
+ 0x1D70, 0x20202020,
+ 0xA0000000, 0x00000000,
0x1D70, 0x22222222,
0x1D70, 0x20202020,
+ 0xB0000000, 0x00000000,
};
RTW_DECL_TABLE_PHY_COND(rtw8822c_agc, rtw_phy_cfg_agc);
@@ -732,7 +1664,7 @@ static const u32 rtw8822c_bb[] = {
0xC18, 0x00087672,
0xC1C, 0x15260000,
0xC20, 0x00000000,
- 0xC24, 0x40600000,
+ 0xC24, 0x406000FF,
0xC28, 0x06400F76,
0xC2C, 0xE30020E1,
0xC30, 0x140C9494,
@@ -861,9 +1793,29 @@ static const u32 rtw8822c_bb[] = {
0x1828, 0x000004FD,
0x182C, 0x00000000,
0x1834, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1838, 0x20100000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1838, 0x20100000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1838, 0x20100000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1838, 0x20100000,
+ 0xA0000000, 0x00000000,
0x1838, 0x20000000,
+ 0xB0000000, 0x00000000,
0x183C, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1840, 0x00002300,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1840, 0x00002300,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1840, 0x00002300,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1840, 0x00002300,
+ 0xA0000000, 0x00000000,
0x1840, 0x00000000,
+ 0xB0000000, 0x00000000,
0x1844, 0x00000000,
0x1848, 0x00000000,
0x184C, 0x00000000,
@@ -874,13 +1826,33 @@ static const u32 rtw8822c_bb[] = {
0x1860, 0xF0040FF8,
0x1864, 0x7F000000,
0x1868, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x186C, 0x0000FF02,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x186C, 0x0000FF02,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x186C, 0x0000FF02,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x186C, 0x0000FF02,
+ 0xA0000000, 0x00000000,
0x186C, 0x0000FF00,
+ 0xB0000000, 0x00000000,
0x1870, 0x00000000,
0x1874, 0x00000000,
0x1878, 0x00000000,
0x187C, 0x00000000,
0x1880, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1884, 0x03B00000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1884, 0x03B00000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1884, 0x03B00000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1884, 0x03B00000,
+ 0xA0000000, 0x00000000,
0x1884, 0x02B00000,
+ 0xB0000000, 0x00000000,
0x1888, 0x00000000,
0x188C, 0x00000000,
0x1890, 0x00000000,
@@ -999,7 +1971,7 @@ static const u32 rtw8822c_bb[] = {
0x1C58, 0x00000000,
0x1C5C, 0xFFFFFFFF,
0x1C60, 0x0F030032,
- 0x1C64, 0x360F0000,
+ 0x1C64, 0x360F0008,
0x1C68, 0x007F0000,
0x1C6C, 0x00010000,
0x1C70, 0x00037FFE,
@@ -1010,8 +1982,22 @@ static const u32 rtw8822c_bb[] = {
0x1C84, 0x245120D4,
0x1C88, 0xC8400483,
0x1C8C, 0x40005A20,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1C94, 0x00000B0E,
+ 0x1C98, 0x00450000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1C94, 0x00000B0E,
+ 0x1C98, 0x00450000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x1C94, 0x00000B0E,
+ 0x1C98, 0x00450000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x1C94, 0x00000B0E,
+ 0x1C98, 0x00450000,
+ 0xA0000000, 0x00000000,
0x1C94, 0x00000000,
0x1C98, 0x00000000,
+ 0xB0000000, 0x00000000,
0x1C9C, 0x00000000,
0x1CA0, 0x00000000,
0x1CA4, 0x20000000,
@@ -1125,7 +2111,7 @@ static const u32 rtw8822c_bb[] = {
0x1E60, 0x00000000,
0x1E64, 0xF3A00001,
0x1E68, 0x0028846E,
- 0x1E6C, 0x40374906,
+ 0x1E6C, 0x40274906,
0x1E70, 0x00001000,
0x1E74, 0x00000000,
0x1E78, 0x00000000,
@@ -1344,10 +2330,30 @@ static const u32 rtw8822c_bb[] = {
0x4128, 0x000004FD,
0x412C, 0x00000000,
0x4134, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4138, 0x20100000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4138, 0x20100000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4138, 0x20100000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4138, 0x20100000,
+ 0xA0000000, 0x00000000,
0x4138, 0x20000000,
+ 0xB0000000, 0x00000000,
0x413C, 0x00000000,
0x4140, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4144, 0x00002030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4144, 0x00002030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4144, 0x00002030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4144, 0x00002030,
+ 0xA0000000, 0x00000000,
0x4144, 0x00000000,
+ 0xB0000000, 0x00000000,
0x4148, 0x00000000,
0x414C, 0x00000000,
0x4150, 0x00000000,
@@ -1357,13 +2363,33 @@ static const u32 rtw8822c_bb[] = {
0x4160, 0xF0040FF8,
0x4164, 0x7F000000,
0x4168, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x416C, 0x00008002,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x416C, 0x00008002,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x416C, 0x00008002,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x416C, 0x00008002,
+ 0xA0000000, 0x00000000,
0x416C, 0x00008000,
+ 0xB0000000, 0x00000000,
0x4170, 0x00000000,
0x4174, 0x00000000,
0x4178, 0x00000000,
0x417C, 0x00000000,
0x4180, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4184, 0x03B00000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4184, 0x03B00000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x4184, 0x03B00000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x4184, 0x03B00000,
+ 0xA0000000, 0x00000000,
0x4184, 0x02B00000,
+ 0xB0000000, 0x00000000,
0x4188, 0x00000000,
0x418C, 0x00000000,
0x4190, 0x00000000,
@@ -1483,7 +2509,7 @@ static const u32 rtw8822c_bb[] = {
0x1AC4, 0x00000000,
0x1AC8, 0x00000807,
0x1ACC, 0x00000707,
- 0x1AD0, 0xA33529AD,
+ 0x1AD0, 0xA33529CE,
0x1AD4, 0x0D8D8452,
0x1AD8, 0x08024024,
0x1ADC, 0x000D0001,
@@ -1757,56 +2783,55 @@ static const u32 rtw8822c_bb[] = {
0x1D94, 0x40FF0000,
0xC0C, 0x02F1D8B7,
0x1EE8, 0x00000000,
-
};
RTW_DECL_TABLE_PHY_COND(rtw8822c_bb, rtw_phy_cfg_bb);
static const struct rtw_phy_pg_cfg_pair rtw8822c_bb_pg_type0[] = {
{ 0, 0, 0, 0x00000c20, 0xffffffff, 0x484c5054, },
- { 0, 0, 0, 0x00000c24, 0xffffffff, 0x54585c60, },
+ { 0, 0, 0, 0x00000c24, 0xffffffff, 0x54585858, },
{ 0, 0, 0, 0x00000c28, 0xffffffff, 0x44484c50, },
- { 0, 0, 0, 0x00000c2c, 0xffffffff, 0x5054585c, },
+ { 0, 0, 0, 0x00000c2c, 0xffffffff, 0x50545858, },
{ 0, 0, 0, 0x00000c30, 0xffffffff, 0x4044484c, },
- { 0, 0, 1, 0x00000c34, 0xffffffff, 0x5054585c, },
+ { 0, 0, 1, 0x00000c34, 0xffffffff, 0x50545858, },
{ 0, 0, 1, 0x00000c38, 0xffffffff, 0x4044484c, },
- { 0, 0, 0, 0x00000c3c, 0xffffffff, 0x5054585c, },
+ { 0, 0, 0, 0x00000c3c, 0xffffffff, 0x50545858, },
{ 0, 0, 0, 0x00000c40, 0xffffffff, 0x4044484c, },
- { 0, 0, 0, 0x00000c44, 0xffffffff, 0x585c383c, },
+ { 0, 0, 0, 0x00000c44, 0xffffffff, 0x5858383c, },
{ 0, 0, 1, 0x00000c48, 0xffffffff, 0x484c5054, },
{ 0, 0, 1, 0x00000c4c, 0xffffffff, 0x383c4044, },
{ 0, 1, 0, 0x00000e20, 0xffffffff, 0x484c5054, },
- { 0, 1, 0, 0x00000e24, 0xffffffff, 0x54585c60, },
+ { 0, 1, 0, 0x00000e24, 0xffffffff, 0x54585858, },
{ 0, 1, 0, 0x00000e28, 0xffffffff, 0x44484c50, },
- { 0, 1, 0, 0x00000e2c, 0xffffffff, 0x5054585c, },
+ { 0, 1, 0, 0x00000e2c, 0xffffffff, 0x50545858, },
{ 0, 1, 0, 0x00000e30, 0xffffffff, 0x4044484c, },
- { 0, 1, 1, 0x00000e34, 0xffffffff, 0x5054585c, },
+ { 0, 1, 1, 0x00000e34, 0xffffffff, 0x50545858, },
{ 0, 1, 1, 0x00000e38, 0xffffffff, 0x4044484c, },
- { 0, 1, 0, 0x00000e3c, 0xffffffff, 0x5054585c, },
+ { 0, 1, 0, 0x00000e3c, 0xffffffff, 0x50545858, },
{ 0, 1, 0, 0x00000e40, 0xffffffff, 0x4044484c, },
- { 0, 1, 0, 0x00000e44, 0xffffffff, 0x585c383c, },
+ { 0, 1, 0, 0x00000e44, 0xffffffff, 0x5858383c, },
{ 0, 1, 1, 0x00000e48, 0xffffffff, 0x484c5054, },
{ 0, 1, 1, 0x00000e4c, 0xffffffff, 0x383c4044, },
- { 1, 0, 0, 0x00000c24, 0xffffffff, 0x54585c60, },
+ { 1, 0, 0, 0x00000c24, 0xffffffff, 0x54585858, },
{ 1, 0, 0, 0x00000c28, 0xffffffff, 0x44484c50, },
- { 1, 0, 0, 0x00000c2c, 0xffffffff, 0x5054585c, },
+ { 1, 0, 0, 0x00000c2c, 0xffffffff, 0x50545858, },
{ 1, 0, 0, 0x00000c30, 0xffffffff, 0x4044484c, },
- { 1, 0, 1, 0x00000c34, 0xffffffff, 0x5054585c, },
+ { 1, 0, 1, 0x00000c34, 0xffffffff, 0x50545858, },
{ 1, 0, 1, 0x00000c38, 0xffffffff, 0x4044484c, },
- { 1, 0, 0, 0x00000c3c, 0xffffffff, 0x5054585c, },
+ { 1, 0, 0, 0x00000c3c, 0xffffffff, 0x50545858, },
{ 1, 0, 0, 0x00000c40, 0xffffffff, 0x4044484c, },
- { 1, 0, 0, 0x00000c44, 0xffffffff, 0x585c383c, },
+ { 1, 0, 0, 0x00000c44, 0xffffffff, 0x5858383c, },
{ 1, 0, 1, 0x00000c48, 0xffffffff, 0x484c5054, },
{ 1, 0, 1, 0x00000c4c, 0xffffffff, 0x383c4044, },
- { 1, 1, 0, 0x00000e24, 0xffffffff, 0x54585c60, },
+ { 1, 1, 0, 0x00000e24, 0xffffffff, 0x54585858, },
{ 1, 1, 0, 0x00000e28, 0xffffffff, 0x44484c50, },
- { 1, 1, 0, 0x00000e2c, 0xffffffff, 0x5054585c, },
+ { 1, 1, 0, 0x00000e2c, 0xffffffff, 0x50545858, },
{ 1, 1, 0, 0x00000e30, 0xffffffff, 0x4044484c, },
- { 1, 1, 1, 0x00000e34, 0xffffffff, 0x5054585c, },
+ { 1, 1, 1, 0x00000e34, 0xffffffff, 0x50545858, },
{ 1, 1, 1, 0x00000e38, 0xffffffff, 0x4044484c, },
- { 1, 1, 0, 0x00000e3c, 0xffffffff, 0x5054585c, },
+ { 1, 1, 0, 0x00000e3c, 0xffffffff, 0x50545858, },
{ 1, 1, 0, 0x00000e40, 0xffffffff, 0x4044484c, },
- { 1, 1, 0, 0x00000e44, 0xffffffff, 0x585c383c, },
+ { 1, 1, 0, 0x00000e44, 0xffffffff, 0x5858383c, },
{ 1, 1, 1, 0x00000e48, 0xffffffff, 0x484c5054, },
{ 1, 1, 1, 0x00000e4c, 0xffffffff, 0x383c4044, },
};
@@ -1834,6 +2859,26 @@ static const u32 rtw8822c_rf_a[] = {
0x08E, 0x000A5540,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x08E, 0x000A5540,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
0xA0000000, 0x00000000,
0x08E, 0x000A5540,
0xB0000000, 0x00000000,
@@ -1856,6 +2901,26 @@ static const u32 rtw8822c_rf_a[] = {
0x085, 0x0006A06C,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x085, 0x0006A06C,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x085, 0x0006A06C,
0xA0000000, 0x00000000,
0x085, 0x0006A06C,
0xB0000000, 0x00000000,
@@ -1931,6 +2996,96 @@ static const u32 rtw8822c_rf_a[] = {
0x033, 0x00000002,
0x03F, 0x0000002A,
0x0EE, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
0xA0000000, 0x00000000,
0x0EE, 0x00000010,
0x033, 0x00000001,
@@ -2149,6 +3304,266 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000004,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x0EF, 0x00010000,
0x033, 0x0000000F,
@@ -2378,6 +3793,256 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000014,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000001F,
0x03F, 0x000773E8,
@@ -2606,6 +4271,256 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000024,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000002F,
0x03F, 0x000773E8,
@@ -2834,6 +4749,256 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000034,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000003F,
0x03F, 0x000773E8,
@@ -3062,6 +5227,256 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000044,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000004F,
0x03F, 0x000773E8,
@@ -3290,6 +5705,256 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000180,
0x033, 0x00000054,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000005F,
0x03F, 0x000773E8,
@@ -3334,6 +5999,26 @@ static const u32 rtw8822c_rf_a[] = {
0x0EF, 0x00000000,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
0xA0000000, 0x00000000,
0x0EF, 0x00000000,
0xB0000000, 0x00000000,
@@ -3378,8 +6063,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x91000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -3498,7 +6330,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x91000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x92000001, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -3525,8 +6357,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x92000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -3645,7 +6624,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x92000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000001, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -3672,8 +6651,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -3792,7 +6918,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x92000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000003, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -3819,8 +6945,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -3939,7 +7212,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -3966,8 +7239,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -4086,7 +7506,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -4113,8 +7533,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -4233,7 +7800,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -4260,8 +7827,155 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -4380,7 +8094,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -4407,8 +8121,449 @@ static const u32 rtw8822c_rf_a[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -4695,6 +8850,26 @@ static const u32 rtw8822c_rf_a[] = {
0x063, 0x00000002,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x063, 0x00000002,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
0xA0000000, 0x00000000,
0x063, 0x00000C02,
0xB0000000, 0x00000000,
@@ -4915,6 +9090,276 @@ static const u32 rtw8822c_rf_a[] = {
0x030, 0x00017239,
0x030, 0x00018209,
0x030, 0x00019239,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
0xA0000000, 0x00000000,
0x030, 0x00000233,
0x030, 0x00001233,
@@ -5049,6 +9494,136 @@ static const u32 rtw8822c_rf_a[] = {
0x030, 0x00009334,
0x030, 0x0000A334,
0x030, 0x0000B334,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
0xA0000000, 0x00000000,
0x030, 0x00000232,
0x030, 0x00001232,
@@ -5076,6 +9651,99 @@ static const u32 rtw8822c_rf_a[] = {
0x030, 0x0000C330,
0x0EF, 0x00000000,
0x0EE, 0x00010000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0xA0000000, 0x00000000,
0x033, 0x00000200,
0x03F, 0x0000006A,
0x033, 0x00000201,
@@ -5098,6 +9766,100 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000CF4,
0x033, 0x0000020A,
0x03F, 0x00000CF7,
+ 0xB0000000, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0xA0000000, 0x00000000,
0x033, 0x00000280,
0x03F, 0x0000006A,
0x033, 0x00000281,
@@ -5120,6 +9882,104 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000CF4,
0x033, 0x0000028A,
0x03F, 0x00000CF7,
+ 0xB0000000, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0xA0000000, 0x00000000,
0x033, 0x00000300,
0x03F, 0x0000006A,
0x033, 0x00000301,
@@ -5143,6 +10003,7 @@ static const u32 rtw8822c_rf_a[] = {
0x033, 0x0000030A,
0x03F, 0x00000CF7,
0x0EE, 0x00000000,
+ 0xB0000000, 0x00000000,
0x051, 0x0003C800,
0x81000001, 0x00000000, 0x40000000, 0x00000000,
0x052, 0x000902CA,
@@ -5160,6 +10021,26 @@ static const u32 rtw8822c_rf_a[] = {
0x052, 0x000902CA,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x052, 0x000902CA,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
0xA0000000, 0x00000000,
0x052, 0x000942CA,
0xB0000000, 0x00000000,
@@ -5185,6 +10066,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5206,6 +10107,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5227,6 +10148,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00030246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00030246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5248,6 +10189,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5269,6 +10230,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5290,6 +10271,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00030246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00030246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5311,6 +10312,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5332,6 +10353,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5353,6 +10394,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00030246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00030246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5374,6 +10435,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5395,6 +10476,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5416,6 +10517,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00030246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00030246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5437,6 +10558,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5458,6 +10599,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00028246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00028246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00028246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5479,6 +10640,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00030246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00030246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00030246,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5493,13 +10674,33 @@ static const u32 rtw8822c_rf_a[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0000EA46,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5514,13 +10715,33 @@ static const u32 rtw8822c_rf_a[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0000EA46,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00028246,
+ 0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5535,13 +10756,33 @@ static const u32 rtw8822c_rf_a[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0000EA46,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00030246,
+ 0x03F, 0x00031E46,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00030246,
+ 0x03F, 0x00031E46,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00030246,
+ 0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x00030246,
+ 0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5563,6 +10804,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5584,6 +10845,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5605,6 +10886,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5626,6 +10927,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5647,6 +10968,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5668,6 +11009,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5689,6 +11050,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5710,6 +11091,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5731,6 +11132,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5752,6 +11173,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5773,6 +11214,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5794,6 +11255,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5815,6 +11296,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5836,6 +11337,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5857,6 +11378,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5878,6 +11419,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5899,6 +11460,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5920,6 +11501,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5941,6 +11542,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5962,6 +11583,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -5983,6 +11624,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -6004,6 +11665,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -6025,6 +11706,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00025E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00025E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00025E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -6046,6 +11747,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00031E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00031E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00031E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -6067,6 +11788,26 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00021E46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00021E46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x00021E46,
0xA0000000, 0x00000000,
0x03F, 0x00002A46,
0xB0000000, 0x00000000,
@@ -6256,6 +11997,236 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000DF4,
0x033, 0x0000006A,
0x03F, 0x00000DF7,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
0xA0000000, 0x00000000,
0x033, 0x00000060,
0x03F, 0x00000487,
@@ -6464,6 +12435,236 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000DF4,
0x033, 0x0000002A,
0x03F, 0x00000DF7,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
0xA0000000, 0x00000000,
0x033, 0x00000020,
0x03F, 0x00000487,
@@ -6489,7 +12690,7 @@ static const u32 rtw8822c_rf_a[] = {
0x03F, 0x00000DF7,
0xB0000000, 0x00000000,
0x0EE, 0x00000000,
- 0x05C, 0x000FCC00,
+ 0x05C, 0x000FC000,
0x067, 0x0000A505,
0x0D3, 0x00000542,
0x043, 0x00005000,
@@ -6513,6 +12714,26 @@ static const u32 rtw8822c_rf_a[] = {
0x0B3, 0x000FC760,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0B3, 0x000FC760,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
0xA0000000, 0x00000000,
0x0B3, 0x0007C760,
0xB0000000, 0x00000000,
@@ -6522,6 +12743,18 @@ static const u32 rtw8822c_rf_a[] = {
0x0B6, 0x000387F8,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0B6, 0x000387F8,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B6, 0x000387F8,
0xA0000000, 0x00000000,
0x0B6, 0x000187F8,
0xB0000000, 0x00000000,
@@ -6552,12 +12785,33 @@ static const u32 rtw8822c_rf_a[] = {
0x0B3, 0x000FC760,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0B3, 0x000FC760,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
0xA0000000, 0x00000000,
0x0B3, 0x0007C700,
0xB0000000, 0x00000000,
0x018, 0x0001B124,
0xFFE, 0x00000000,
0xFFE, 0x00000000,
+ 0xFFE, 0x00000000,
0x81000001, 0x00000000, 0x40000000, 0x00000000,
0x0B3, 0x0007C760,
0x91000002, 0x00000000, 0x40000000, 0x00000000,
@@ -6574,6 +12828,26 @@ static const u32 rtw8822c_rf_a[] = {
0x0B3, 0x000FC760,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0B3, 0x000FC760,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0B3, 0x000FC760,
0xA0000000, 0x00000000,
0x0B3, 0x0007C760,
0xB0000000, 0x00000000,
@@ -6605,6 +12879,26 @@ static const u32 rtw8822c_rf_a[] = {
0x0DD, 0x00000540,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0DD, 0x00000540,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0DD, 0x00000540,
0xA0000000, 0x00000000,
0x0DD, 0x00000500,
0xB0000000, 0x00000000,
@@ -6714,7 +13008,37 @@ static const u32 rtw8822c_rf_b[] = {
0x093, 0x0008483F,
0x0EF, 0x00080000,
0x033, 0x00000001,
+ 0x83000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0009123E,
+ 0xA0000000, 0x00000000,
0x03F, 0x00091230,
+ 0xB0000000, 0x00000000,
0x0EF, 0x00000000,
0x0DE, 0x00000020,
0x81000001, 0x00000000, 0x40000000, 0x00000000,
@@ -6733,6 +13057,26 @@ static const u32 rtw8822c_rf_b[] = {
0x08E, 0x000A5540,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x08E, 0x000A5540,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x08E, 0x000A5540,
0xA0000000, 0x00000000,
0x08E, 0x000A5540,
0xB0000000, 0x00000000,
@@ -6812,6 +13156,96 @@ static const u32 rtw8822c_rf_b[] = {
0x033, 0x00000002,
0x03F, 0x0000002A,
0x0EE, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EE, 0x00000010,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000001,
+ 0x03F, 0x0000002A,
+ 0x033, 0x00000002,
+ 0x03F, 0x0000002A,
+ 0x0EE, 0x00000000,
0xA0000000, 0x00000000,
0x0EE, 0x00000010,
0x033, 0x00000001,
@@ -7030,6 +13464,266 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000004,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00010000,
+ 0x033, 0x0000000F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000000E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000000D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000000C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000000B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000000A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000009,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000008,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000007,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000006,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000005,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000004,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x0EF, 0x00010000,
0x033, 0x0000000F,
@@ -7259,6 +13953,256 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000014,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000001F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000001E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000001D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000001C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000001B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000001A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000019,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000018,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000017,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000016,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000015,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000014,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000001F,
0x03F, 0x000773E8,
@@ -7487,6 +14431,256 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000024,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000002F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000002E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000002D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000002C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000002B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000002A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000028,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000026,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000002F,
0x03F, 0x000773E8,
@@ -7715,6 +14909,256 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000034,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000003F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000003E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000003D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000003C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000003B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000003A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000039,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000038,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000037,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000036,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000035,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000034,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000003F,
0x03F, 0x000773E8,
@@ -7943,6 +15387,256 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000044,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000004F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000004E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000004D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000004C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000004B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000004A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000049,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000048,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000047,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000046,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000045,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000044,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000004F,
0x03F, 0x000773E8,
@@ -8171,6 +15865,256 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000180,
0x033, 0x00000054,
0x03F, 0x00000040,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x000FF3A0,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000280,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x0000005F,
+ 0x03F, 0x000773C0,
+ 0x033, 0x0000005E,
+ 0x03F, 0x000FF3C0,
+ 0x033, 0x0000005D,
+ 0x03F, 0x000773E8,
+ 0x033, 0x0000005C,
+ 0x03F, 0x000FF3E8,
+ 0x033, 0x0000005B,
+ 0x03F, 0x00000287,
+ 0x033, 0x0000005A,
+ 0x03F, 0x000002A8,
+ 0x033, 0x00000059,
+ 0x03F, 0x00000207,
+ 0x033, 0x00000058,
+ 0x03F, 0x000FF280,
+ 0x033, 0x00000057,
+ 0x03F, 0x00000200,
+ 0x033, 0x00000056,
+ 0x03F, 0x000001C0,
+ 0x033, 0x00000055,
+ 0x03F, 0x00000180,
+ 0x033, 0x00000054,
+ 0x03F, 0x00000040,
0xA0000000, 0x00000000,
0x033, 0x0000005F,
0x03F, 0x000773E8,
@@ -8215,6 +16159,26 @@ static const u32 rtw8822c_rf_b[] = {
0x0EF, 0x00000000,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00000000,
0xA0000000, 0x00000000,
0x0EF, 0x00000000,
0xB0000000, 0x00000000,
@@ -8257,10 +16221,10 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
- 0x03F, 0x0002F81C,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
- 0x03E, 0x00001C86,
- 0x03F, 0x00020000,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -8404,10 +16368,157 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
- 0x03F, 0x0002F81C,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x92000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -8526,7 +16637,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x92000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -8551,10 +16662,304 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -8673,7 +17078,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x92000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000003, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -8698,10 +17103,304 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -8820,7 +17519,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -8847,8 +17546,155 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -8967,7 +17813,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -8992,10 +17838,157 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
- 0x03F, 0x0002F81C,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -9114,7 +18107,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -9139,10 +18132,304 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00020000,
0x033, 0x00000007,
0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -9261,7 +18548,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002C010,
0x0EF, 0x00000000,
- 0x93000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
0x0EF, 0x00020000,
0x033, 0x00000000,
0x03E, 0x00001C86,
@@ -9288,8 +18575,155 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000000,
0x03F, 0x0002F81C,
0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000009,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000000F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000010,
0x03E, 0x00001C86,
0x03F, 0x00020000,
+ 0x033, 0x00000011,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000012,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000013,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000014,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000015,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000016,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000017,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000018,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000019,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000001F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000020,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000021,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000022,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000023,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000024,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000025,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000026,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000027,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x033, 0x00000028,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000029,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002A,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002B,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002C,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002D,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002E,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x0000002F,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002C010,
+ 0x0EF, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x0EF, 0x00020000,
+ 0x033, 0x00000000,
+ 0x03E, 0x00001C86,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000001,
+ 0x03E, 0x00001C02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000002,
+ 0x03E, 0x00000F02,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000003,
+ 0x03E, 0x00000F00,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000004,
+ 0x03E, 0x00000086,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000005,
+ 0x03E, 0x00000002,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000006,
+ 0x03E, 0x00000000,
+ 0x03F, 0x00020000,
+ 0x033, 0x00000007,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
+ 0x033, 0x00000008,
+ 0x03E, 0x00000000,
+ 0x03F, 0x0002F81C,
0x033, 0x00000009,
0x03E, 0x00001C02,
0x03F, 0x00020000,
@@ -9576,6 +19010,26 @@ static const u32 rtw8822c_rf_b[] = {
0x063, 0x00000002,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x063, 0x00000002,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x063, 0x00000002,
0xA0000000, 0x00000000,
0x063, 0x00000C02,
0xB0000000, 0x00000000,
@@ -9796,6 +19250,276 @@ static const u32 rtw8822c_rf_b[] = {
0x030, 0x00017239,
0x030, 0x00018209,
0x030, 0x00019239,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000238,
+ 0x030, 0x00001238,
+ 0x030, 0x00002238,
+ 0x030, 0x00003238,
+ 0x030, 0x00004228,
+ 0x030, 0x00005238,
+ 0x030, 0x00006238,
+ 0x030, 0x00007238,
+ 0x030, 0x00008228,
+ 0x030, 0x00009238,
+ 0x030, 0x0000A238,
+ 0x030, 0x0000B238,
+ 0x030, 0x0000C238,
+ 0x030, 0x0000D238,
+ 0x030, 0x0000E228,
+ 0x030, 0x0000F238,
+ 0x030, 0x00010238,
+ 0x030, 0x00011238,
+ 0x030, 0x00012228,
+ 0x030, 0x00013238,
+ 0x030, 0x00014238,
+ 0x030, 0x00015238,
+ 0x030, 0x00016228,
+ 0x030, 0x00017238,
+ 0x030, 0x00018228,
+ 0x030, 0x00019238,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000239,
+ 0x030, 0x00001239,
+ 0x030, 0x00002239,
+ 0x030, 0x00003239,
+ 0x030, 0x00004239,
+ 0x030, 0x00005239,
+ 0x030, 0x00006239,
+ 0x030, 0x00007239,
+ 0x030, 0x00008239,
+ 0x030, 0x00009239,
+ 0x030, 0x0000A239,
+ 0x030, 0x0000B239,
+ 0x030, 0x0000C239,
+ 0x030, 0x0000D239,
+ 0x030, 0x0000E209,
+ 0x030, 0x0000F239,
+ 0x030, 0x00010239,
+ 0x030, 0x00011239,
+ 0x030, 0x00012209,
+ 0x030, 0x00013239,
+ 0x030, 0x00014239,
+ 0x030, 0x00015239,
+ 0x030, 0x00016209,
+ 0x030, 0x00017239,
+ 0x030, 0x00018209,
+ 0x030, 0x00019239,
0xA0000000, 0x00000000,
0x030, 0x00000233,
0x030, 0x00001233,
@@ -9930,6 +19654,136 @@ static const u32 rtw8822c_rf_b[] = {
0x030, 0x00009334,
0x030, 0x0000A334,
0x030, 0x0000B334,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x030, 0x00000334,
+ 0x030, 0x00001334,
+ 0x030, 0x00002334,
+ 0x030, 0x00003334,
+ 0x030, 0x00004334,
+ 0x030, 0x00005334,
+ 0x030, 0x00006334,
+ 0x030, 0x00007334,
+ 0x030, 0x00008334,
+ 0x030, 0x00009334,
+ 0x030, 0x0000A334,
+ 0x030, 0x0000B334,
0xA0000000, 0x00000000,
0x030, 0x00000232,
0x030, 0x00001232,
@@ -9957,6 +19811,99 @@ static const u32 rtw8822c_rf_b[] = {
0x030, 0x0000C330,
0x0EF, 0x00000000,
0x0EE, 0x00010000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000200,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000201,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000202,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000203,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000204,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000205,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000206,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000207,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000208,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000209,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000020A,
+ 0x03F, 0x00000077,
+ 0xA0000000, 0x00000000,
0x033, 0x00000200,
0x03F, 0x0000006A,
0x033, 0x00000201,
@@ -9979,6 +19926,100 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000CF4,
0x033, 0x0000020A,
0x03F, 0x00000CF7,
+ 0xB0000000, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000280,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000281,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000282,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000283,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000284,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000285,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000286,
+ 0x03F, 0x0000006B,
+ 0x033, 0x00000287,
+ 0x03F, 0x0000006E,
+ 0x033, 0x00000288,
+ 0x03F, 0x00000071,
+ 0x033, 0x00000289,
+ 0x03F, 0x00000074,
+ 0x033, 0x0000028A,
+ 0x03F, 0x00000077,
+ 0xA0000000, 0x00000000,
0x033, 0x00000280,
0x03F, 0x0000006A,
0x033, 0x00000281,
@@ -10001,6 +20042,104 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000CF4,
0x033, 0x0000028A,
0x03F, 0x00000CF7,
+ 0xB0000000, 0x00000000,
+ 0x83000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000300,
+ 0x03F, 0x00000005,
+ 0x033, 0x00000301,
+ 0x03F, 0x00000008,
+ 0x033, 0x00000302,
+ 0x03F, 0x0000000B,
+ 0x033, 0x00000303,
+ 0x03F, 0x0000000E,
+ 0x033, 0x00000304,
+ 0x03F, 0x0000002B,
+ 0x033, 0x00000305,
+ 0x03F, 0x0000002E,
+ 0x033, 0x00000306,
+ 0x03F, 0x00000031,
+ 0x033, 0x00000307,
+ 0x03F, 0x00000034,
+ 0x033, 0x00000308,
+ 0x03F, 0x00000053,
+ 0x033, 0x00000309,
+ 0x03F, 0x00000056,
+ 0x033, 0x0000030A,
+ 0x03F, 0x000000D1,
+ 0x0EE, 0x00000000,
+ 0xA0000000, 0x00000000,
0x033, 0x00000300,
0x03F, 0x0000006A,
0x033, 0x00000301,
@@ -10024,6 +20163,7 @@ static const u32 rtw8822c_rf_b[] = {
0x033, 0x0000030A,
0x03F, 0x00000CF7,
0x0EE, 0x00000000,
+ 0xB0000000, 0x00000000,
0x051, 0x0003C800,
0x81000001, 0x00000000, 0x40000000, 0x00000000,
0x052, 0x000902CA,
@@ -10041,6 +20181,26 @@ static const u32 rtw8822c_rf_b[] = {
0x052, 0x000902CA,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x052, 0x000902CA,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x052, 0x000902CA,
0xA0000000, 0x00000000,
0x052, 0x000942C0,
0xB0000000, 0x00000000,
@@ -10057,6 +20217,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10076,6 +20256,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10088,6 +20288,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10107,6 +20327,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10128,6 +20368,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002C246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002C246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10140,6 +20400,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10159,6 +20439,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10171,6 +20471,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10190,6 +20510,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10211,6 +20551,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002C246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002C246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10223,6 +20583,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10242,6 +20622,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10254,6 +20654,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10273,6 +20693,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10294,6 +20734,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002C246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002C246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
0xA0000000, 0x00000000,
0x03F, 0x0000C246,
0xB0000000, 0x00000000,
@@ -10306,6 +20766,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10325,6 +20805,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10337,6 +20837,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10356,6 +20876,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10377,6 +20917,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002C246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002C246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10389,6 +20949,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10408,6 +20988,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10420,6 +21020,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10439,6 +21059,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000241C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000241C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000241C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10460,6 +21100,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002C246,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002C246,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002C246,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10472,6 +21132,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10484,13 +21164,33 @@ static const u32 rtw8822c_rf_b[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00024246,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10503,6 +21203,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10515,13 +21235,33 @@ static const u32 rtw8822c_rf_b[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00024246,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x000241C6,
+ 0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10536,13 +21276,33 @@ static const u32 rtw8822c_rf_b[] = {
0x92000002, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x00024246,
0x93000001, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x0002C246,
+ 0x03F, 0x0002CA46,
0x93000002, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x0002C246,
+ 0x03F, 0x0002CA46,
0x93000003, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x0002C246,
+ 0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
- 0x03F, 0x0002C246,
+ 0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10555,6 +21315,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10574,6 +21354,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10586,6 +21386,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10605,6 +21425,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10626,6 +21466,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10638,6 +21498,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10657,6 +21537,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10669,6 +21569,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10688,6 +21608,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10709,6 +21649,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10721,6 +21681,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10740,6 +21720,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10752,6 +21752,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10771,6 +21791,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10792,6 +21832,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10804,6 +21864,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10823,6 +21903,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10835,6 +21935,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10854,6 +21974,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10875,6 +22015,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10887,6 +22047,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10906,6 +22086,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10918,6 +22118,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10937,6 +22157,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10958,6 +22198,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -10970,6 +22230,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -10989,6 +22269,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11001,6 +22301,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11020,6 +22340,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11032,6 +22372,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000020,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000020,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000020,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11051,6 +22411,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11063,6 +22443,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11082,6 +22482,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11094,6 +22514,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11113,6 +22553,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11134,6 +22594,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11146,6 +22626,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11165,6 +22665,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11177,6 +22697,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03E, 0x00000030,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03E, 0x00000030,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03E, 0x00000030,
0xA0000000, 0x00000000,
0x03E, 0x00000020,
0xB0000000, 0x00000000,
@@ -11196,6 +22736,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x000209C6,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x000209C6,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x000209C6,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11217,6 +22777,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0002CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0002CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0002CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11238,6 +22818,26 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x0001CA46,
0x93000004, 0x00000000, 0x40000000, 0x00000000,
0x03F, 0x0001CA46,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x03F, 0x0001CA46,
0xA0000000, 0x00000000,
0x03F, 0x00008E46,
0xB0000000, 0x00000000,
@@ -11427,6 +23027,236 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000DF4,
0x033, 0x0000006A,
0x03F, 0x00000DF7,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000060,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000061,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000062,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000063,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000064,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000065,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000066,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000067,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000068,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000069,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000006A,
+ 0x03F, 0x00000DF7,
0xA0000000, 0x00000000,
0x033, 0x00000060,
0x03F, 0x00000487,
@@ -11635,6 +23465,236 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000DF4,
0x033, 0x0000002A,
0x03F, 0x00000DF7,
+ 0x93000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x93000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x93000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000001, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000002, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000003, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000004, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000005, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000015, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
+ 0x94000016, 0x00000000, 0x40000000, 0x00000000,
+ 0x033, 0x00000020,
+ 0x03F, 0x00000467,
+ 0x033, 0x00000021,
+ 0x03F, 0x00000867,
+ 0x033, 0x00000022,
+ 0x03F, 0x00000908,
+ 0x033, 0x00000023,
+ 0x03F, 0x00000D09,
+ 0x033, 0x00000024,
+ 0x03F, 0x00000D49,
+ 0x033, 0x00000025,
+ 0x03F, 0x00000D8A,
+ 0x033, 0x00000026,
+ 0x03F, 0x00000DEB,
+ 0x033, 0x00000027,
+ 0x03F, 0x00000DEE,
+ 0x033, 0x00000028,
+ 0x03F, 0x00000DF1,
+ 0x033, 0x00000029,
+ 0x03F, 0x00000DF4,
+ 0x033, 0x0000002A,
+ 0x03F, 0x00000DF7,
0xA0000000, 0x00000000,
0x033, 0x00000020,
0x03F, 0x00000487,
@@ -11660,7 +23720,7 @@ static const u32 rtw8822c_rf_b[] = {
0x03F, 0x00000DF7,
0xB0000000, 0x00000000,
0x0EE, 0x00000000,
- 0x05C, 0x000FCC00,
+ 0x05C, 0x000FC000,
0x067, 0x0000A505,
0x0D3, 0x00000542,
0x043, 0x00005000,
@@ -11710,6 +23770,10 @@ static const u32 rtw8822c_rf_b[] = {
0x033, 0x00000007,
0x03F, 0x00000002,
0x0EF, 0x00000000,
+ 0x0EF, 0x00080000,
+ 0x033, 0x00000001,
+ 0x03F, 0x000916BF,
+ 0x0EF, 0x00000000,
};
RTW_DECL_TABLE_RF_RADIO(rtw8822c_rf_b, B);
@@ -11717,394 +23781,1961 @@ RTW_DECL_TABLE_RF_RADIO(rtw8822c_rf_b, B);
static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 0, 0, 0, 0, 1, 72, },
{ 2, 0, 0, 0, 1, 60, },
+ { 1, 0, 0, 0, 1, 68, },
+ { 3, 0, 0, 0, 1, 72, },
+ { 4, 0, 0, 0, 1, 76, },
+ { 5, 0, 0, 0, 1, 60, },
+ { 6, 0, 0, 0, 1, 72, },
+ { 7, 0, 0, 0, 1, 60, },
+ { 8, 0, 0, 0, 1, 72, },
+ { 9, 0, 0, 0, 1, 60, },
{ 0, 0, 0, 0, 2, 72, },
{ 2, 0, 0, 0, 2, 60, },
+ { 1, 0, 0, 0, 2, 68, },
+ { 3, 0, 0, 0, 2, 72, },
+ { 4, 0, 0, 0, 2, 76, },
+ { 5, 0, 0, 0, 2, 60, },
+ { 6, 0, 0, 0, 2, 72, },
+ { 7, 0, 0, 0, 2, 60, },
+ { 8, 0, 0, 0, 2, 72, },
+ { 9, 0, 0, 0, 2, 60, },
{ 0, 0, 0, 0, 3, 76, },
{ 2, 0, 0, 0, 3, 60, },
+ { 1, 0, 0, 0, 3, 68, },
+ { 3, 0, 0, 0, 3, 76, },
+ { 4, 0, 0, 0, 3, 76, },
+ { 5, 0, 0, 0, 3, 60, },
+ { 6, 0, 0, 0, 3, 76, },
+ { 7, 0, 0, 0, 3, 60, },
+ { 8, 0, 0, 0, 3, 76, },
+ { 9, 0, 0, 0, 3, 60, },
{ 0, 0, 0, 0, 4, 76, },
{ 2, 0, 0, 0, 4, 60, },
+ { 1, 0, 0, 0, 4, 68, },
+ { 3, 0, 0, 0, 4, 76, },
+ { 4, 0, 0, 0, 4, 76, },
+ { 5, 0, 0, 0, 4, 60, },
+ { 6, 0, 0, 0, 4, 76, },
+ { 7, 0, 0, 0, 4, 60, },
+ { 8, 0, 0, 0, 4, 76, },
+ { 9, 0, 0, 0, 4, 60, },
{ 0, 0, 0, 0, 5, 76, },
{ 2, 0, 0, 0, 5, 60, },
+ { 1, 0, 0, 0, 5, 68, },
+ { 3, 0, 0, 0, 5, 76, },
+ { 4, 0, 0, 0, 5, 76, },
+ { 5, 0, 0, 0, 5, 60, },
+ { 6, 0, 0, 0, 5, 76, },
+ { 7, 0, 0, 0, 5, 60, },
+ { 8, 0, 0, 0, 5, 76, },
+ { 9, 0, 0, 0, 5, 60, },
{ 0, 0, 0, 0, 6, 76, },
{ 2, 0, 0, 0, 6, 60, },
+ { 1, 0, 0, 0, 6, 68, },
+ { 3, 0, 0, 0, 6, 76, },
+ { 4, 0, 0, 0, 6, 76, },
+ { 5, 0, 0, 0, 6, 60, },
+ { 6, 0, 0, 0, 6, 76, },
+ { 7, 0, 0, 0, 6, 60, },
+ { 8, 0, 0, 0, 6, 76, },
+ { 9, 0, 0, 0, 6, 60, },
{ 0, 0, 0, 0, 7, 76, },
{ 2, 0, 0, 0, 7, 60, },
+ { 1, 0, 0, 0, 7, 68, },
+ { 3, 0, 0, 0, 7, 76, },
+ { 4, 0, 0, 0, 7, 76, },
+ { 5, 0, 0, 0, 7, 60, },
+ { 6, 0, 0, 0, 7, 76, },
+ { 7, 0, 0, 0, 7, 60, },
+ { 8, 0, 0, 0, 7, 76, },
+ { 9, 0, 0, 0, 7, 60, },
{ 0, 0, 0, 0, 8, 76, },
{ 2, 0, 0, 0, 8, 60, },
+ { 1, 0, 0, 0, 8, 68, },
+ { 3, 0, 0, 0, 8, 76, },
+ { 4, 0, 0, 0, 8, 76, },
+ { 5, 0, 0, 0, 8, 60, },
+ { 6, 0, 0, 0, 8, 76, },
+ { 7, 0, 0, 0, 8, 60, },
+ { 8, 0, 0, 0, 8, 76, },
+ { 9, 0, 0, 0, 8, 60, },
{ 0, 0, 0, 0, 9, 76, },
{ 2, 0, 0, 0, 9, 60, },
+ { 1, 0, 0, 0, 9, 68, },
+ { 3, 0, 0, 0, 9, 76, },
+ { 4, 0, 0, 0, 9, 76, },
+ { 5, 0, 0, 0, 9, 60, },
+ { 6, 0, 0, 0, 9, 76, },
+ { 7, 0, 0, 0, 9, 60, },
+ { 8, 0, 0, 0, 9, 76, },
+ { 9, 0, 0, 0, 9, 60, },
{ 0, 0, 0, 0, 10, 72, },
{ 2, 0, 0, 0, 10, 60, },
+ { 1, 0, 0, 0, 10, 68, },
+ { 3, 0, 0, 0, 10, 72, },
+ { 4, 0, 0, 0, 10, 76, },
+ { 5, 0, 0, 0, 10, 60, },
+ { 6, 0, 0, 0, 10, 72, },
+ { 7, 0, 0, 0, 10, 60, },
+ { 8, 0, 0, 0, 10, 72, },
+ { 9, 0, 0, 0, 10, 60, },
{ 0, 0, 0, 0, 11, 72, },
{ 2, 0, 0, 0, 11, 60, },
+ { 1, 0, 0, 0, 11, 68, },
+ { 3, 0, 0, 0, 11, 72, },
+ { 4, 0, 0, 0, 11, 76, },
+ { 5, 0, 0, 0, 11, 60, },
+ { 6, 0, 0, 0, 11, 72, },
+ { 7, 0, 0, 0, 11, 60, },
+ { 8, 0, 0, 0, 11, 72, },
+ { 9, 0, 0, 0, 11, 60, },
{ 0, 0, 0, 0, 12, 52, },
{ 2, 0, 0, 0, 12, 60, },
+ { 1, 0, 0, 0, 12, 68, },
+ { 3, 0, 0, 0, 12, 52, },
+ { 4, 0, 0, 0, 12, 76, },
+ { 5, 0, 0, 0, 12, 60, },
+ { 6, 0, 0, 0, 12, 52, },
+ { 7, 0, 0, 0, 12, 60, },
+ { 8, 0, 0, 0, 12, 52, },
+ { 9, 0, 0, 0, 12, 60, },
{ 0, 0, 0, 0, 13, 48, },
{ 2, 0, 0, 0, 13, 60, },
+ { 1, 0, 0, 0, 13, 68, },
+ { 3, 0, 0, 0, 13, 48, },
+ { 4, 0, 0, 0, 13, 76, },
+ { 5, 0, 0, 0, 13, 60, },
+ { 6, 0, 0, 0, 13, 48, },
+ { 7, 0, 0, 0, 13, 60, },
+ { 8, 0, 0, 0, 13, 48, },
+ { 9, 0, 0, 0, 13, 60, },
{ 0, 0, 0, 0, 14, 127, },
{ 2, 0, 0, 0, 14, 127, },
+ { 1, 0, 0, 0, 14, 68, },
+ { 3, 0, 0, 0, 14, 127, },
+ { 4, 0, 0, 0, 14, 127, },
+ { 5, 0, 0, 0, 14, 127, },
+ { 6, 0, 0, 0, 14, 127, },
+ { 7, 0, 0, 0, 14, 127, },
+ { 8, 0, 0, 0, 14, 127, },
+ { 9, 0, 0, 0, 14, 127, },
{ 0, 0, 0, 1, 1, 52, },
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+ { 1, 1, 1, 2, 38, 62, },
+ { 3, 1, 1, 2, 38, 64, },
+ { 4, 1, 1, 2, 38, 72, },
+ { 5, 1, 1, 2, 38, 64, },
+ { 6, 1, 1, 2, 38, 64, },
+ { 7, 1, 1, 2, 38, 54, },
+ { 8, 1, 1, 2, 38, 62, },
+ { 9, 1, 1, 2, 38, 64, },
{ 0, 1, 1, 2, 46, 72, },
{ 2, 1, 1, 2, 46, 64, },
+ { 1, 1, 1, 2, 46, 62, },
+ { 3, 1, 1, 2, 46, 64, },
+ { 4, 1, 1, 2, 46, 60, },
+ { 5, 1, 1, 2, 46, 64, },
+ { 6, 1, 1, 2, 46, 64, },
+ { 7, 1, 1, 2, 46, 54, },
+ { 8, 1, 1, 2, 46, 62, },
+ { 9, 1, 1, 2, 46, 64, },
{ 0, 1, 1, 2, 54, 72, },
{ 2, 1, 1, 2, 54, 64, },
+ { 1, 1, 1, 2, 54, 62, },
+ { 3, 1, 1, 2, 54, 64, },
+ { 4, 1, 1, 2, 54, 72, },
+ { 5, 1, 1, 2, 54, 64, },
+ { 6, 1, 1, 2, 54, 72, },
+ { 7, 1, 1, 2, 54, 54, },
+ { 8, 1, 1, 2, 54, 72, },
+ { 9, 1, 1, 2, 54, 64, },
{ 0, 1, 1, 2, 62, 64, },
{ 2, 1, 1, 2, 62, 64, },
+ { 1, 1, 1, 2, 62, 62, },
+ { 3, 1, 1, 2, 62, 64, },
+ { 4, 1, 1, 2, 62, 70, },
+ { 5, 1, 1, 2, 62, 64, },
+ { 6, 1, 1, 2, 62, 64, },
+ { 7, 1, 1, 2, 62, 54, },
+ { 8, 1, 1, 2, 62, 64, },
+ { 9, 1, 1, 2, 62, 64, },
{ 0, 1, 1, 2, 102, 58, },
{ 2, 1, 1, 2, 102, 64, },
+ { 1, 1, 1, 2, 102, 72, },
+ { 3, 1, 1, 2, 102, 58, },
+ { 4, 1, 1, 2, 102, 72, },
+ { 5, 1, 1, 2, 102, 64, },
+ { 6, 1, 1, 2, 102, 58, },
+ { 7, 1, 1, 2, 102, 54, },
+ { 8, 1, 1, 2, 102, 58, },
+ { 9, 1, 1, 2, 102, 127, },
{ 0, 1, 1, 2, 110, 72, },
{ 2, 1, 1, 2, 110, 64, },
+ { 1, 1, 1, 2, 110, 72, },
+ { 3, 1, 1, 2, 110, 72, },
+ { 4, 1, 1, 2, 110, 72, },
+ { 5, 1, 1, 2, 110, 64, },
+ { 6, 1, 1, 2, 110, 72, },
+ { 7, 1, 1, 2, 110, 54, },
+ { 8, 1, 1, 2, 110, 72, },
+ { 9, 1, 1, 2, 110, 127, },
{ 0, 1, 1, 2, 118, 72, },
{ 2, 1, 1, 2, 118, 64, },
+ { 1, 1, 1, 2, 118, 72, },
+ { 3, 1, 1, 2, 118, 127, },
+ { 4, 1, 1, 2, 118, 72, },
+ { 5, 1, 1, 2, 118, 127, },
+ { 6, 1, 1, 2, 118, 72, },
+ { 7, 1, 1, 2, 118, 54, },
+ { 8, 1, 1, 2, 118, 72, },
+ { 9, 1, 1, 2, 118, 127, },
{ 0, 1, 1, 2, 126, 72, },
{ 2, 1, 1, 2, 126, 64, },
+ { 1, 1, 1, 2, 126, 72, },
+ { 3, 1, 1, 2, 126, 127, },
+ { 4, 1, 1, 2, 126, 72, },
+ { 5, 1, 1, 2, 126, 127, },
+ { 6, 1, 1, 2, 126, 72, },
+ { 7, 1, 1, 2, 126, 54, },
+ { 8, 1, 1, 2, 126, 72, },
+ { 9, 1, 1, 2, 126, 127, },
{ 0, 1, 1, 2, 134, 72, },
{ 2, 1, 1, 2, 134, 64, },
+ { 1, 1, 1, 2, 134, 72, },
+ { 3, 1, 1, 2, 134, 72, },
+ { 4, 1, 1, 2, 134, 72, },
+ { 5, 1, 1, 2, 134, 64, },
+ { 6, 1, 1, 2, 134, 72, },
+ { 7, 1, 1, 2, 134, 54, },
+ { 8, 1, 1, 2, 134, 72, },
+ { 9, 1, 1, 2, 134, 127, },
{ 0, 1, 1, 2, 142, 72, },
{ 2, 1, 1, 2, 142, 127, },
+ { 1, 1, 1, 2, 142, 127, },
+ { 3, 1, 1, 2, 142, 72, },
+ { 4, 1, 1, 2, 142, 72, },
+ { 5, 1, 1, 2, 142, 127, },
+ { 6, 1, 1, 2, 142, 72, },
+ { 7, 1, 1, 2, 142, 127, },
+ { 8, 1, 1, 2, 142, 72, },
+ { 9, 1, 1, 2, 142, 127, },
{ 0, 1, 1, 2, 151, 72, },
{ 2, 1, 1, 2, 151, -128, },
+ { 1, 1, 1, 2, 151, 127, },
+ { 3, 1, 1, 2, 151, 72, },
+ { 4, 1, 1, 2, 151, 72, },
+ { 5, 1, 1, 2, 151, 72, },
+ { 6, 1, 1, 2, 151, 72, },
+ { 7, 1, 1, 2, 151, 54, },
+ { 8, 1, 1, 2, 151, 72, },
+ { 9, 1, 1, 2, 151, -128, },
{ 0, 1, 1, 2, 159, 72, },
{ 2, 1, 1, 2, 159, -128, },
+ { 1, 1, 1, 2, 159, 127, },
+ { 3, 1, 1, 2, 159, 72, },
+ { 4, 1, 1, 2, 159, 72, },
+ { 5, 1, 1, 2, 159, 72, },
+ { 6, 1, 1, 2, 159, 72, },
+ { 7, 1, 1, 2, 159, 54, },
+ { 8, 1, 1, 2, 159, 72, },
+ { 9, 1, 1, 2, 159, -128, },
{ 0, 1, 1, 3, 38, 60, },
{ 2, 1, 1, 3, 38, 40, },
+ { 1, 1, 1, 3, 38, 50, },
+ { 3, 1, 1, 3, 38, 40, },
+ { 4, 1, 1, 3, 38, 62, },
+ { 5, 1, 1, 3, 38, 40, },
+ { 6, 1, 1, 3, 38, 52, },
+ { 7, 1, 1, 3, 38, 30, },
+ { 8, 1, 1, 3, 38, 50, },
+ { 9, 1, 1, 3, 38, 40, },
{ 0, 1, 1, 3, 46, 68, },
{ 2, 1, 1, 3, 46, 40, },
+ { 1, 1, 1, 3, 46, 50, },
+ { 3, 1, 1, 3, 46, 40, },
+ { 4, 1, 1, 3, 46, 46, },
+ { 5, 1, 1, 3, 46, 40, },
+ { 6, 1, 1, 3, 46, 52, },
+ { 7, 1, 1, 3, 46, 30, },
+ { 8, 1, 1, 3, 46, 50, },
+ { 9, 1, 1, 3, 46, 40, },
{ 0, 1, 1, 3, 54, 68, },
{ 2, 1, 1, 3, 54, 40, },
+ { 1, 1, 1, 3, 54, 50, },
+ { 3, 1, 1, 3, 54, 40, },
+ { 4, 1, 1, 3, 54, 62, },
+ { 5, 1, 1, 3, 54, 40, },
+ { 6, 1, 1, 3, 54, 68, },
+ { 7, 1, 1, 3, 54, 30, },
+ { 8, 1, 1, 3, 54, 68, },
+ { 9, 1, 1, 3, 54, 40, },
{ 0, 1, 1, 3, 62, 58, },
{ 2, 1, 1, 3, 62, 40, },
+ { 1, 1, 1, 3, 62, 48, },
+ { 3, 1, 1, 3, 62, 40, },
+ { 4, 1, 1, 3, 62, 58, },
+ { 5, 1, 1, 3, 62, 40, },
+ { 6, 1, 1, 3, 62, 58, },
+ { 7, 1, 1, 3, 62, 30, },
+ { 8, 1, 1, 3, 62, 58, },
+ { 9, 1, 1, 3, 62, 40, },
{ 0, 1, 1, 3, 102, 54, },
{ 2, 1, 1, 3, 102, 40, },
+ { 1, 1, 1, 3, 102, 70, },
+ { 3, 1, 1, 3, 102, 54, },
+ { 4, 1, 1, 3, 102, 64, },
+ { 5, 1, 1, 3, 102, 40, },
+ { 6, 1, 1, 3, 102, 54, },
+ { 7, 1, 1, 3, 102, 30, },
+ { 8, 1, 1, 3, 102, 54, },
+ { 9, 1, 1, 3, 102, 127, },
{ 0, 1, 1, 3, 110, 68, },
{ 2, 1, 1, 3, 110, 40, },
+ { 1, 1, 1, 3, 110, 70, },
+ { 3, 1, 1, 3, 110, 68, },
+ { 4, 1, 1, 3, 110, 64, },
+ { 5, 1, 1, 3, 110, 40, },
+ { 6, 1, 1, 3, 110, 68, },
+ { 7, 1, 1, 3, 110, 30, },
+ { 8, 1, 1, 3, 110, 68, },
+ { 9, 1, 1, 3, 110, 127, },
{ 0, 1, 1, 3, 118, 68, },
{ 2, 1, 1, 3, 118, 40, },
+ { 1, 1, 1, 3, 118, 70, },
+ { 3, 1, 1, 3, 118, 127, },
+ { 4, 1, 1, 3, 118, 64, },
+ { 5, 1, 1, 3, 118, 127, },
+ { 6, 1, 1, 3, 118, 68, },
+ { 7, 1, 1, 3, 118, 30, },
+ { 8, 1, 1, 3, 118, 68, },
+ { 9, 1, 1, 3, 118, 127, },
{ 0, 1, 1, 3, 126, 68, },
{ 2, 1, 1, 3, 126, 40, },
+ { 1, 1, 1, 3, 126, 70, },
+ { 3, 1, 1, 3, 126, 127, },
+ { 4, 1, 1, 3, 126, 64, },
+ { 5, 1, 1, 3, 126, 127, },
+ { 6, 1, 1, 3, 126, 68, },
+ { 7, 1, 1, 3, 126, 30, },
+ { 8, 1, 1, 3, 126, 68, },
+ { 9, 1, 1, 3, 126, 127, },
{ 0, 1, 1, 3, 134, 68, },
{ 2, 1, 1, 3, 134, 40, },
+ { 1, 1, 1, 3, 134, 70, },
+ { 3, 1, 1, 3, 134, 68, },
+ { 4, 1, 1, 3, 134, 64, },
+ { 5, 1, 1, 3, 134, 40, },
+ { 6, 1, 1, 3, 134, 68, },
+ { 7, 1, 1, 3, 134, 30, },
+ { 8, 1, 1, 3, 134, 68, },
+ { 9, 1, 1, 3, 134, 127, },
{ 0, 1, 1, 3, 142, 68, },
{ 2, 1, 1, 3, 142, 127, },
+ { 1, 1, 1, 3, 142, 127, },
+ { 3, 1, 1, 3, 142, 68, },
+ { 4, 1, 1, 3, 142, 64, },
+ { 5, 1, 1, 3, 142, 127, },
+ { 6, 1, 1, 3, 142, 68, },
+ { 7, 1, 1, 3, 142, 127, },
+ { 8, 1, 1, 3, 142, 68, },
+ { 9, 1, 1, 3, 142, 127, },
{ 0, 1, 1, 3, 151, 72, },
{ 2, 1, 1, 3, 151, -128, },
+ { 1, 1, 1, 3, 151, 127, },
+ { 3, 1, 1, 3, 151, 72, },
+ { 4, 1, 1, 3, 151, 66, },
+ { 5, 1, 1, 3, 151, 72, },
+ { 6, 1, 1, 3, 151, 72, },
+ { 7, 1, 1, 3, 151, 30, },
+ { 8, 1, 1, 3, 151, 68, },
+ { 9, 1, 1, 3, 151, -128, },
{ 0, 1, 1, 3, 159, 72, },
{ 2, 1, 1, 3, 159, -128, },
+ { 1, 1, 1, 3, 159, 127, },
+ { 3, 1, 1, 3, 159, 72, },
+ { 4, 1, 1, 3, 159, 66, },
+ { 5, 1, 1, 3, 159, 72, },
+ { 6, 1, 1, 3, 159, 72, },
+ { 7, 1, 1, 3, 159, 30, },
+ { 8, 1, 1, 3, 159, 72, },
+ { 9, 1, 1, 3, 159, -128, },
{ 0, 1, 2, 4, 42, 64, },
{ 2, 1, 2, 4, 42, 64, },
+ { 1, 1, 2, 4, 42, 64, },
+ { 3, 1, 2, 4, 42, 64, },
+ { 4, 1, 2, 4, 42, 68, },
+ { 5, 1, 2, 4, 42, 64, },
+ { 6, 1, 2, 4, 42, 64, },
+ { 7, 1, 2, 4, 42, 54, },
+ { 8, 1, 2, 4, 42, 62, },
+ { 9, 1, 2, 4, 42, 64, },
{ 0, 1, 2, 4, 58, 62, },
{ 2, 1, 2, 4, 58, 64, },
+ { 1, 1, 2, 4, 58, 64, },
+ { 3, 1, 2, 4, 58, 62, },
+ { 4, 1, 2, 4, 58, 64, },
+ { 5, 1, 2, 4, 58, 64, },
+ { 6, 1, 2, 4, 58, 62, },
+ { 7, 1, 2, 4, 58, 54, },
+ { 8, 1, 2, 4, 58, 62, },
+ { 9, 1, 2, 4, 58, 64, },
{ 0, 1, 2, 4, 106, 58, },
{ 2, 1, 2, 4, 106, 64, },
+ { 1, 1, 2, 4, 106, 72, },
+ { 3, 1, 2, 4, 106, 58, },
+ { 4, 1, 2, 4, 106, 66, },
+ { 5, 1, 2, 4, 106, 64, },
+ { 6, 1, 2, 4, 106, 58, },
+ { 7, 1, 2, 4, 106, 54, },
+ { 8, 1, 2, 4, 106, 58, },
+ { 9, 1, 2, 4, 106, 127, },
{ 0, 1, 2, 4, 122, 72, },
{ 2, 1, 2, 4, 122, 64, },
+ { 1, 1, 2, 4, 122, 72, },
+ { 3, 1, 2, 4, 122, 127, },
+ { 4, 1, 2, 4, 122, 68, },
+ { 5, 1, 2, 4, 122, 127, },
+ { 6, 1, 2, 4, 122, 72, },
+ { 7, 1, 2, 4, 122, 54, },
+ { 8, 1, 2, 4, 122, 72, },
+ { 9, 1, 2, 4, 122, 127, },
{ 0, 1, 2, 4, 138, 72, },
{ 2, 1, 2, 4, 138, 127, },
+ { 1, 1, 2, 4, 138, 127, },
+ { 3, 1, 2, 4, 138, 72, },
+ { 4, 1, 2, 4, 138, 68, },
+ { 5, 1, 2, 4, 138, 127, },
+ { 6, 1, 2, 4, 138, 72, },
+ { 7, 1, 2, 4, 138, 127, },
+ { 8, 1, 2, 4, 138, 72, },
+ { 9, 1, 2, 4, 138, 127, },
{ 0, 1, 2, 4, 155, 72, },
{ 2, 1, 2, 4, 155, -128, },
+ { 1, 1, 2, 4, 155, 127, },
+ { 3, 1, 2, 4, 155, 72, },
+ { 4, 1, 2, 4, 155, 68, },
+ { 5, 1, 2, 4, 155, 72, },
+ { 6, 1, 2, 4, 155, 72, },
+ { 7, 1, 2, 4, 155, 54, },
+ { 8, 1, 2, 4, 155, 68, },
+ { 9, 1, 2, 4, 155, -128, },
{ 0, 1, 2, 5, 42, 54, },
{ 2, 1, 2, 5, 42, 40, },
+ { 1, 1, 2, 5, 42, 50, },
+ { 3, 1, 2, 5, 42, 40, },
+ { 4, 1, 2, 5, 42, 58, },
+ { 5, 1, 2, 5, 42, 40, },
+ { 6, 1, 2, 5, 42, 52, },
+ { 7, 1, 2, 5, 42, 30, },
+ { 8, 1, 2, 5, 42, 50, },
+ { 9, 1, 2, 5, 42, 40, },
{ 0, 1, 2, 5, 58, 52, },
{ 2, 1, 2, 5, 58, 40, },
+ { 1, 1, 2, 5, 58, 50, },
+ { 3, 1, 2, 5, 58, 40, },
+ { 4, 1, 2, 5, 58, 56, },
+ { 5, 1, 2, 5, 58, 40, },
+ { 6, 1, 2, 5, 58, 52, },
+ { 7, 1, 2, 5, 58, 30, },
+ { 8, 1, 2, 5, 58, 52, },
+ { 9, 1, 2, 5, 58, 40, },
{ 0, 1, 2, 5, 106, 50, },
{ 2, 1, 2, 5, 106, 40, },
+ { 1, 1, 2, 5, 106, 72, },
+ { 3, 1, 2, 5, 106, 50, },
+ { 4, 1, 2, 5, 106, 56, },
+ { 5, 1, 2, 5, 106, 40, },
+ { 6, 1, 2, 5, 106, 50, },
+ { 7, 1, 2, 5, 106, 30, },
+ { 8, 1, 2, 5, 106, 50, },
+ { 9, 1, 2, 5, 106, 127, },
{ 0, 1, 2, 5, 122, 66, },
{ 2, 1, 2, 5, 122, 40, },
+ { 1, 1, 2, 5, 122, 72, },
+ { 3, 1, 2, 5, 122, 127, },
+ { 4, 1, 2, 5, 122, 56, },
+ { 5, 1, 2, 5, 122, 127, },
+ { 6, 1, 2, 5, 122, 66, },
+ { 7, 1, 2, 5, 122, 30, },
+ { 8, 1, 2, 5, 122, 66, },
+ { 9, 1, 2, 5, 122, 127, },
{ 0, 1, 2, 5, 138, 66, },
{ 2, 1, 2, 5, 138, 127, },
+ { 1, 1, 2, 5, 138, 127, },
+ { 3, 1, 2, 5, 138, 66, },
+ { 4, 1, 2, 5, 138, 58, },
+ { 5, 1, 2, 5, 138, 127, },
+ { 6, 1, 2, 5, 138, 66, },
+ { 7, 1, 2, 5, 138, 127, },
+ { 8, 1, 2, 5, 138, 66, },
+ { 9, 1, 2, 5, 138, 127, },
{ 0, 1, 2, 5, 155, 62, },
{ 2, 1, 2, 5, 155, -128, },
+ { 1, 1, 2, 5, 155, 127, },
+ { 3, 1, 2, 5, 155, 62, },
+ { 4, 1, 2, 5, 155, 58, },
+ { 5, 1, 2, 5, 155, 72, },
+ { 6, 1, 2, 5, 155, 62, },
+ { 7, 1, 2, 5, 155, 30, },
+ { 8, 1, 2, 5, 155, 62, },
+ { 9, 1, 2, 5, 155, -128, },
+};
+
+RTW_DECL_TABLE_TXPWR_LMT(rtw8822c_txpwr_lmt_type0);
+
+static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type5[] = {
+ { 0, 0, 0, 0, 1, 72, },
+ { 2, 0, 0, 0, 1, 60, },
{ 1, 0, 0, 0, 1, 68, },
{ 3, 0, 0, 0, 1, 72, },
{ 4, 0, 0, 0, 1, 76, },
@@ -12112,6 +25743,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 1, 72, },
{ 7, 0, 0, 0, 1, 60, },
{ 8, 0, 0, 0, 1, 72, },
+ { 9, 0, 0, 0, 1, 60, },
+ { 0, 0, 0, 0, 2, 72, },
+ { 2, 0, 0, 0, 2, 60, },
{ 1, 0, 0, 0, 2, 68, },
{ 3, 0, 0, 0, 2, 72, },
{ 4, 0, 0, 0, 2, 76, },
@@ -12119,6 +25753,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 2, 72, },
{ 7, 0, 0, 0, 2, 60, },
{ 8, 0, 0, 0, 2, 72, },
+ { 9, 0, 0, 0, 2, 60, },
+ { 0, 0, 0, 0, 3, 76, },
+ { 2, 0, 0, 0, 3, 60, },
{ 1, 0, 0, 0, 3, 68, },
{ 3, 0, 0, 0, 3, 76, },
{ 4, 0, 0, 0, 3, 76, },
@@ -12126,6 +25763,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 3, 76, },
{ 7, 0, 0, 0, 3, 60, },
{ 8, 0, 0, 0, 3, 76, },
+ { 9, 0, 0, 0, 3, 60, },
+ { 0, 0, 0, 0, 4, 76, },
+ { 2, 0, 0, 0, 4, 60, },
{ 1, 0, 0, 0, 4, 68, },
{ 3, 0, 0, 0, 4, 76, },
{ 4, 0, 0, 0, 4, 76, },
@@ -12133,6 +25773,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 4, 76, },
{ 7, 0, 0, 0, 4, 60, },
{ 8, 0, 0, 0, 4, 76, },
+ { 9, 0, 0, 0, 4, 60, },
+ { 0, 0, 0, 0, 5, 76, },
+ { 2, 0, 0, 0, 5, 60, },
{ 1, 0, 0, 0, 5, 68, },
{ 3, 0, 0, 0, 5, 76, },
{ 4, 0, 0, 0, 5, 76, },
@@ -12140,6 +25783,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 5, 76, },
{ 7, 0, 0, 0, 5, 60, },
{ 8, 0, 0, 0, 5, 76, },
+ { 9, 0, 0, 0, 5, 60, },
+ { 0, 0, 0, 0, 6, 76, },
+ { 2, 0, 0, 0, 6, 60, },
{ 1, 0, 0, 0, 6, 68, },
{ 3, 0, 0, 0, 6, 76, },
{ 4, 0, 0, 0, 6, 76, },
@@ -12147,6 +25793,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 6, 76, },
{ 7, 0, 0, 0, 6, 60, },
{ 8, 0, 0, 0, 6, 76, },
+ { 9, 0, 0, 0, 6, 60, },
+ { 0, 0, 0, 0, 7, 76, },
+ { 2, 0, 0, 0, 7, 60, },
{ 1, 0, 0, 0, 7, 68, },
{ 3, 0, 0, 0, 7, 76, },
{ 4, 0, 0, 0, 7, 76, },
@@ -12154,6 +25803,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 7, 76, },
{ 7, 0, 0, 0, 7, 60, },
{ 8, 0, 0, 0, 7, 76, },
+ { 9, 0, 0, 0, 7, 60, },
+ { 0, 0, 0, 0, 8, 76, },
+ { 2, 0, 0, 0, 8, 60, },
{ 1, 0, 0, 0, 8, 68, },
{ 3, 0, 0, 0, 8, 76, },
{ 4, 0, 0, 0, 8, 76, },
@@ -12161,6 +25813,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 8, 76, },
{ 7, 0, 0, 0, 8, 60, },
{ 8, 0, 0, 0, 8, 76, },
+ { 9, 0, 0, 0, 8, 60, },
+ { 0, 0, 0, 0, 9, 76, },
+ { 2, 0, 0, 0, 9, 60, },
{ 1, 0, 0, 0, 9, 68, },
{ 3, 0, 0, 0, 9, 76, },
{ 4, 0, 0, 0, 9, 76, },
@@ -12168,6 +25823,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 9, 76, },
{ 7, 0, 0, 0, 9, 60, },
{ 8, 0, 0, 0, 9, 76, },
+ { 9, 0, 0, 0, 9, 60, },
+ { 0, 0, 0, 0, 10, 72, },
+ { 2, 0, 0, 0, 10, 60, },
{ 1, 0, 0, 0, 10, 68, },
{ 3, 0, 0, 0, 10, 72, },
{ 4, 0, 0, 0, 10, 76, },
@@ -12175,6 +25833,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 10, 72, },
{ 7, 0, 0, 0, 10, 60, },
{ 8, 0, 0, 0, 10, 72, },
+ { 9, 0, 0, 0, 10, 60, },
+ { 0, 0, 0, 0, 11, 72, },
+ { 2, 0, 0, 0, 11, 60, },
{ 1, 0, 0, 0, 11, 68, },
{ 3, 0, 0, 0, 11, 72, },
{ 4, 0, 0, 0, 11, 76, },
@@ -12182,6 +25843,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 11, 72, },
{ 7, 0, 0, 0, 11, 60, },
{ 8, 0, 0, 0, 11, 72, },
+ { 9, 0, 0, 0, 11, 60, },
+ { 0, 0, 0, 0, 12, 52, },
+ { 2, 0, 0, 0, 12, 60, },
{ 1, 0, 0, 0, 12, 68, },
{ 3, 0, 0, 0, 12, 52, },
{ 4, 0, 0, 0, 12, 76, },
@@ -12189,6 +25853,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 12, 52, },
{ 7, 0, 0, 0, 12, 60, },
{ 8, 0, 0, 0, 12, 52, },
+ { 9, 0, 0, 0, 12, 60, },
+ { 0, 0, 0, 0, 13, 48, },
+ { 2, 0, 0, 0, 13, 60, },
{ 1, 0, 0, 0, 13, 68, },
{ 3, 0, 0, 0, 13, 48, },
{ 4, 0, 0, 0, 13, 76, },
@@ -12196,6 +25863,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 13, 48, },
{ 7, 0, 0, 0, 13, 60, },
{ 8, 0, 0, 0, 13, 48, },
+ { 9, 0, 0, 0, 13, 60, },
+ { 0, 0, 0, 0, 14, 127, },
+ { 2, 0, 0, 0, 14, 127, },
{ 1, 0, 0, 0, 14, 68, },
{ 3, 0, 0, 0, 14, 127, },
{ 4, 0, 0, 0, 14, 127, },
@@ -12203,6 +25873,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 0, 14, 127, },
{ 7, 0, 0, 0, 14, 127, },
{ 8, 0, 0, 0, 14, 127, },
+ { 9, 0, 0, 0, 14, 127, },
+ { 0, 0, 0, 1, 1, 52, },
+ { 2, 0, 0, 1, 1, 60, },
{ 1, 0, 0, 1, 1, 76, },
{ 3, 0, 0, 1, 1, 52, },
{ 4, 0, 0, 1, 1, 76, },
@@ -12210,6 +25883,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 1, 52, },
{ 7, 0, 0, 1, 1, 60, },
{ 8, 0, 0, 1, 1, 52, },
+ { 9, 0, 0, 1, 1, 60, },
+ { 0, 0, 0, 1, 2, 60, },
+ { 2, 0, 0, 1, 2, 60, },
{ 1, 0, 0, 1, 2, 76, },
{ 3, 0, 0, 1, 2, 60, },
{ 4, 0, 0, 1, 2, 76, },
@@ -12217,6 +25893,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 2, 60, },
{ 7, 0, 0, 1, 2, 60, },
{ 8, 0, 0, 1, 2, 60, },
+ { 9, 0, 0, 1, 2, 60, },
+ { 0, 0, 0, 1, 3, 64, },
+ { 2, 0, 0, 1, 3, 60, },
{ 1, 0, 0, 1, 3, 76, },
{ 3, 0, 0, 1, 3, 64, },
{ 4, 0, 0, 1, 3, 76, },
@@ -12224,6 +25903,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 3, 64, },
{ 7, 0, 0, 1, 3, 60, },
{ 8, 0, 0, 1, 3, 64, },
+ { 9, 0, 0, 1, 3, 60, },
+ { 0, 0, 0, 1, 4, 68, },
+ { 2, 0, 0, 1, 4, 60, },
{ 1, 0, 0, 1, 4, 76, },
{ 3, 0, 0, 1, 4, 68, },
{ 4, 0, 0, 1, 4, 76, },
@@ -12231,6 +25913,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 4, 68, },
{ 7, 0, 0, 1, 4, 60, },
{ 8, 0, 0, 1, 4, 68, },
+ { 9, 0, 0, 1, 4, 60, },
+ { 0, 0, 0, 1, 5, 76, },
+ { 2, 0, 0, 1, 5, 60, },
{ 1, 0, 0, 1, 5, 76, },
{ 3, 0, 0, 1, 5, 76, },
{ 4, 0, 0, 1, 5, 76, },
@@ -12238,6 +25923,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 5, 76, },
{ 7, 0, 0, 1, 5, 60, },
{ 8, 0, 0, 1, 5, 76, },
+ { 9, 0, 0, 1, 5, 60, },
+ { 0, 0, 0, 1, 6, 76, },
+ { 2, 0, 0, 1, 6, 60, },
{ 1, 0, 0, 1, 6, 76, },
{ 3, 0, 0, 1, 6, 76, },
{ 4, 0, 0, 1, 6, 76, },
@@ -12245,6 +25933,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 6, 76, },
{ 7, 0, 0, 1, 6, 60, },
{ 8, 0, 0, 1, 6, 76, },
+ { 9, 0, 0, 1, 6, 60, },
+ { 0, 0, 0, 1, 7, 76, },
+ { 2, 0, 0, 1, 7, 60, },
{ 1, 0, 0, 1, 7, 76, },
{ 3, 0, 0, 1, 7, 76, },
{ 4, 0, 0, 1, 7, 76, },
@@ -12252,6 +25943,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 7, 76, },
{ 7, 0, 0, 1, 7, 60, },
{ 8, 0, 0, 1, 7, 76, },
+ { 9, 0, 0, 1, 7, 60, },
+ { 0, 0, 0, 1, 8, 68, },
+ { 2, 0, 0, 1, 8, 60, },
{ 1, 0, 0, 1, 8, 76, },
{ 3, 0, 0, 1, 8, 68, },
{ 4, 0, 0, 1, 8, 76, },
@@ -12259,6 +25953,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 8, 68, },
{ 7, 0, 0, 1, 8, 60, },
{ 8, 0, 0, 1, 8, 68, },
+ { 9, 0, 0, 1, 8, 60, },
+ { 0, 0, 0, 1, 9, 64, },
+ { 2, 0, 0, 1, 9, 60, },
{ 1, 0, 0, 1, 9, 76, },
{ 3, 0, 0, 1, 9, 64, },
{ 4, 0, 0, 1, 9, 76, },
@@ -12266,6 +25963,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 9, 64, },
{ 7, 0, 0, 1, 9, 60, },
{ 8, 0, 0, 1, 9, 64, },
+ { 9, 0, 0, 1, 9, 60, },
+ { 0, 0, 0, 1, 10, 60, },
+ { 2, 0, 0, 1, 10, 60, },
{ 1, 0, 0, 1, 10, 76, },
{ 3, 0, 0, 1, 10, 60, },
{ 4, 0, 0, 1, 10, 76, },
@@ -12273,6 +25973,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 10, 60, },
{ 7, 0, 0, 1, 10, 60, },
{ 8, 0, 0, 1, 10, 60, },
+ { 9, 0, 0, 1, 10, 60, },
+ { 0, 0, 0, 1, 11, 52, },
+ { 2, 0, 0, 1, 11, 60, },
{ 1, 0, 0, 1, 11, 76, },
{ 3, 0, 0, 1, 11, 52, },
{ 4, 0, 0, 1, 11, 76, },
@@ -12280,6 +25983,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 11, 52, },
{ 7, 0, 0, 1, 11, 60, },
{ 8, 0, 0, 1, 11, 52, },
+ { 9, 0, 0, 1, 11, 60, },
+ { 0, 0, 0, 1, 12, 40, },
+ { 2, 0, 0, 1, 12, 60, },
{ 1, 0, 0, 1, 12, 76, },
{ 3, 0, 0, 1, 12, 40, },
{ 4, 0, 0, 1, 12, 76, },
@@ -12287,6 +25993,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 12, 40, },
{ 7, 0, 0, 1, 12, 60, },
{ 8, 0, 0, 1, 12, 40, },
+ { 9, 0, 0, 1, 12, 60, },
+ { 0, 0, 0, 1, 13, 28, },
+ { 2, 0, 0, 1, 13, 60, },
{ 1, 0, 0, 1, 13, 76, },
{ 3, 0, 0, 1, 13, 28, },
{ 4, 0, 0, 1, 13, 70, },
@@ -12294,6 +26003,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 13, 28, },
{ 7, 0, 0, 1, 13, 60, },
{ 8, 0, 0, 1, 13, 28, },
+ { 9, 0, 0, 1, 13, 60, },
+ { 0, 0, 0, 1, 14, 127, },
+ { 2, 0, 0, 1, 14, 127, },
{ 1, 0, 0, 1, 14, 127, },
{ 3, 0, 0, 1, 14, 127, },
{ 4, 0, 0, 1, 14, 127, },
@@ -12301,6 +26013,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 1, 14, 127, },
{ 7, 0, 0, 1, 14, 127, },
{ 8, 0, 0, 1, 14, 127, },
+ { 9, 0, 0, 1, 14, 127, },
+ { 0, 0, 0, 2, 1, 52, },
+ { 2, 0, 0, 2, 1, 60, },
{ 1, 0, 0, 2, 1, 76, },
{ 3, 0, 0, 2, 1, 52, },
{ 4, 0, 0, 2, 1, 76, },
@@ -12308,6 +26023,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 1, 52, },
{ 7, 0, 0, 2, 1, 60, },
{ 8, 0, 0, 2, 1, 52, },
+ { 9, 0, 0, 2, 1, 60, },
+ { 0, 0, 0, 2, 2, 60, },
+ { 2, 0, 0, 2, 2, 60, },
{ 1, 0, 0, 2, 2, 76, },
{ 3, 0, 0, 2, 2, 60, },
{ 4, 0, 0, 2, 2, 76, },
@@ -12315,6 +26033,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 2, 60, },
{ 7, 0, 0, 2, 2, 60, },
{ 8, 0, 0, 2, 2, 60, },
+ { 9, 0, 0, 2, 2, 60, },
+ { 0, 0, 0, 2, 3, 64, },
+ { 2, 0, 0, 2, 3, 60, },
{ 1, 0, 0, 2, 3, 76, },
{ 3, 0, 0, 2, 3, 64, },
{ 4, 0, 0, 2, 3, 76, },
@@ -12322,6 +26043,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 3, 64, },
{ 7, 0, 0, 2, 3, 60, },
{ 8, 0, 0, 2, 3, 64, },
+ { 9, 0, 0, 2, 3, 60, },
+ { 0, 0, 0, 2, 4, 68, },
+ { 2, 0, 0, 2, 4, 60, },
{ 1, 0, 0, 2, 4, 76, },
{ 3, 0, 0, 2, 4, 68, },
{ 4, 0, 0, 2, 4, 76, },
@@ -12329,6 +26053,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 4, 68, },
{ 7, 0, 0, 2, 4, 60, },
{ 8, 0, 0, 2, 4, 68, },
+ { 9, 0, 0, 2, 4, 60, },
+ { 0, 0, 0, 2, 5, 76, },
+ { 2, 0, 0, 2, 5, 60, },
{ 1, 0, 0, 2, 5, 76, },
{ 3, 0, 0, 2, 5, 76, },
{ 4, 0, 0, 2, 5, 76, },
@@ -12336,6 +26063,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 5, 76, },
{ 7, 0, 0, 2, 5, 60, },
{ 8, 0, 0, 2, 5, 76, },
+ { 9, 0, 0, 2, 5, 60, },
+ { 0, 0, 0, 2, 6, 76, },
+ { 2, 0, 0, 2, 6, 60, },
{ 1, 0, 0, 2, 6, 76, },
{ 3, 0, 0, 2, 6, 76, },
{ 4, 0, 0, 2, 6, 76, },
@@ -12343,6 +26073,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 6, 76, },
{ 7, 0, 0, 2, 6, 60, },
{ 8, 0, 0, 2, 6, 76, },
+ { 9, 0, 0, 2, 6, 60, },
+ { 0, 0, 0, 2, 7, 76, },
+ { 2, 0, 0, 2, 7, 60, },
{ 1, 0, 0, 2, 7, 76, },
{ 3, 0, 0, 2, 7, 76, },
{ 4, 0, 0, 2, 7, 76, },
@@ -12350,6 +26083,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 7, 76, },
{ 7, 0, 0, 2, 7, 60, },
{ 8, 0, 0, 2, 7, 76, },
+ { 9, 0, 0, 2, 7, 60, },
+ { 0, 0, 0, 2, 8, 68, },
+ { 2, 0, 0, 2, 8, 60, },
{ 1, 0, 0, 2, 8, 76, },
{ 3, 0, 0, 2, 8, 68, },
{ 4, 0, 0, 2, 8, 76, },
@@ -12357,6 +26093,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 8, 68, },
{ 7, 0, 0, 2, 8, 60, },
{ 8, 0, 0, 2, 8, 68, },
+ { 9, 0, 0, 2, 8, 60, },
+ { 0, 0, 0, 2, 9, 64, },
+ { 2, 0, 0, 2, 9, 60, },
{ 1, 0, 0, 2, 9, 76, },
{ 3, 0, 0, 2, 9, 64, },
{ 4, 0, 0, 2, 9, 76, },
@@ -12364,6 +26103,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 9, 64, },
{ 7, 0, 0, 2, 9, 60, },
{ 8, 0, 0, 2, 9, 64, },
+ { 9, 0, 0, 2, 9, 60, },
+ { 0, 0, 0, 2, 10, 60, },
+ { 2, 0, 0, 2, 10, 60, },
{ 1, 0, 0, 2, 10, 76, },
{ 3, 0, 0, 2, 10, 60, },
{ 4, 0, 0, 2, 10, 76, },
@@ -12371,6 +26113,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 10, 60, },
{ 7, 0, 0, 2, 10, 60, },
{ 8, 0, 0, 2, 10, 60, },
+ { 9, 0, 0, 2, 10, 60, },
+ { 0, 0, 0, 2, 11, 52, },
+ { 2, 0, 0, 2, 11, 60, },
{ 1, 0, 0, 2, 11, 76, },
{ 3, 0, 0, 2, 11, 52, },
{ 4, 0, 0, 2, 11, 76, },
@@ -12378,6 +26123,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 11, 52, },
{ 7, 0, 0, 2, 11, 60, },
{ 8, 0, 0, 2, 11, 52, },
+ { 9, 0, 0, 2, 11, 60, },
+ { 0, 0, 0, 2, 12, 40, },
+ { 2, 0, 0, 2, 12, 60, },
{ 1, 0, 0, 2, 12, 76, },
{ 3, 0, 0, 2, 12, 40, },
{ 4, 0, 0, 2, 12, 76, },
@@ -12385,6 +26133,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 12, 40, },
{ 7, 0, 0, 2, 12, 60, },
{ 8, 0, 0, 2, 12, 40, },
+ { 9, 0, 0, 2, 12, 60, },
+ { 0, 0, 0, 2, 13, 28, },
+ { 2, 0, 0, 2, 13, 60, },
{ 1, 0, 0, 2, 13, 76, },
{ 3, 0, 0, 2, 13, 28, },
{ 4, 0, 0, 2, 13, 72, },
@@ -12392,6 +26143,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 13, 28, },
{ 7, 0, 0, 2, 13, 60, },
{ 8, 0, 0, 2, 13, 28, },
+ { 9, 0, 0, 2, 13, 60, },
+ { 0, 0, 0, 2, 14, 127, },
+ { 2, 0, 0, 2, 14, 127, },
{ 1, 0, 0, 2, 14, 127, },
{ 3, 0, 0, 2, 14, 127, },
{ 4, 0, 0, 2, 14, 127, },
@@ -12399,6 +26153,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 2, 14, 127, },
{ 7, 0, 0, 2, 14, 127, },
{ 8, 0, 0, 2, 14, 127, },
+ { 9, 0, 0, 2, 14, 127, },
+ { 0, 0, 0, 3, 1, 52, },
+ { 2, 0, 0, 3, 1, 36, },
{ 1, 0, 0, 3, 1, 66, },
{ 3, 0, 0, 3, 1, 52, },
{ 4, 0, 0, 3, 1, 68, },
@@ -12406,6 +26163,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 1, 52, },
{ 7, 0, 0, 3, 1, 36, },
{ 8, 0, 0, 3, 1, 52, },
+ { 9, 0, 0, 3, 1, 36, },
+ { 0, 0, 0, 3, 2, 60, },
+ { 2, 0, 0, 3, 2, 36, },
{ 1, 0, 0, 3, 2, 66, },
{ 3, 0, 0, 3, 2, 60, },
{ 4, 0, 0, 3, 2, 70, },
@@ -12413,6 +26173,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 2, 60, },
{ 7, 0, 0, 3, 2, 36, },
{ 8, 0, 0, 3, 2, 60, },
+ { 9, 0, 0, 3, 2, 36, },
+ { 0, 0, 0, 3, 3, 64, },
+ { 2, 0, 0, 3, 3, 36, },
{ 1, 0, 0, 3, 3, 66, },
{ 3, 0, 0, 3, 3, 64, },
{ 4, 0, 0, 3, 3, 70, },
@@ -12420,6 +26183,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 3, 64, },
{ 7, 0, 0, 3, 3, 36, },
{ 8, 0, 0, 3, 3, 64, },
+ { 9, 0, 0, 3, 3, 36, },
+ { 0, 0, 0, 3, 4, 68, },
+ { 2, 0, 0, 3, 4, 36, },
{ 1, 0, 0, 3, 4, 66, },
{ 3, 0, 0, 3, 4, 68, },
{ 4, 0, 0, 3, 4, 70, },
@@ -12427,6 +26193,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 4, 68, },
{ 7, 0, 0, 3, 4, 36, },
{ 8, 0, 0, 3, 4, 68, },
+ { 9, 0, 0, 3, 4, 36, },
+ { 0, 0, 0, 3, 5, 76, },
+ { 2, 0, 0, 3, 5, 36, },
{ 1, 0, 0, 3, 5, 66, },
{ 3, 0, 0, 3, 5, 76, },
{ 4, 0, 0, 3, 5, 70, },
@@ -12434,6 +26203,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 5, 76, },
{ 7, 0, 0, 3, 5, 36, },
{ 8, 0, 0, 3, 5, 76, },
+ { 9, 0, 0, 3, 5, 36, },
+ { 0, 0, 0, 3, 6, 76, },
+ { 2, 0, 0, 3, 6, 36, },
{ 1, 0, 0, 3, 6, 66, },
{ 3, 0, 0, 3, 6, 76, },
{ 4, 0, 0, 3, 6, 70, },
@@ -12441,6 +26213,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 6, 76, },
{ 7, 0, 0, 3, 6, 36, },
{ 8, 0, 0, 3, 6, 76, },
+ { 9, 0, 0, 3, 6, 36, },
+ { 0, 0, 0, 3, 7, 76, },
+ { 2, 0, 0, 3, 7, 36, },
{ 1, 0, 0, 3, 7, 66, },
{ 3, 0, 0, 3, 7, 76, },
{ 4, 0, 0, 3, 7, 70, },
@@ -12448,6 +26223,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 7, 76, },
{ 7, 0, 0, 3, 7, 36, },
{ 8, 0, 0, 3, 7, 76, },
+ { 9, 0, 0, 3, 7, 36, },
+ { 0, 0, 0, 3, 8, 68, },
+ { 2, 0, 0, 3, 8, 36, },
{ 1, 0, 0, 3, 8, 66, },
{ 3, 0, 0, 3, 8, 68, },
{ 4, 0, 0, 3, 8, 70, },
@@ -12455,6 +26233,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 8, 68, },
{ 7, 0, 0, 3, 8, 36, },
{ 8, 0, 0, 3, 8, 68, },
+ { 9, 0, 0, 3, 8, 36, },
+ { 0, 0, 0, 3, 9, 64, },
+ { 2, 0, 0, 3, 9, 36, },
{ 1, 0, 0, 3, 9, 66, },
{ 3, 0, 0, 3, 9, 64, },
{ 4, 0, 0, 3, 9, 70, },
@@ -12462,6 +26243,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 9, 64, },
{ 7, 0, 0, 3, 9, 36, },
{ 8, 0, 0, 3, 9, 64, },
+ { 9, 0, 0, 3, 9, 36, },
+ { 0, 0, 0, 3, 10, 60, },
+ { 2, 0, 0, 3, 10, 36, },
{ 1, 0, 0, 3, 10, 66, },
{ 3, 0, 0, 3, 10, 60, },
{ 4, 0, 0, 3, 10, 70, },
@@ -12469,6 +26253,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 10, 60, },
{ 7, 0, 0, 3, 10, 36, },
{ 8, 0, 0, 3, 10, 60, },
+ { 9, 0, 0, 3, 10, 36, },
+ { 0, 0, 0, 3, 11, 52, },
+ { 2, 0, 0, 3, 11, 36, },
{ 1, 0, 0, 3, 11, 66, },
{ 3, 0, 0, 3, 11, 52, },
{ 4, 0, 0, 3, 11, 70, },
@@ -12476,6 +26263,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 11, 52, },
{ 7, 0, 0, 3, 11, 36, },
{ 8, 0, 0, 3, 11, 52, },
+ { 9, 0, 0, 3, 11, 36, },
+ { 0, 0, 0, 3, 12, 40, },
+ { 2, 0, 0, 3, 12, 36, },
{ 1, 0, 0, 3, 12, 66, },
{ 3, 0, 0, 3, 12, 40, },
{ 4, 0, 0, 3, 12, 70, },
@@ -12483,6 +26273,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 12, 40, },
{ 7, 0, 0, 3, 12, 36, },
{ 8, 0, 0, 3, 12, 40, },
+ { 9, 0, 0, 3, 12, 36, },
+ { 0, 0, 0, 3, 13, 28, },
+ { 2, 0, 0, 3, 13, 36, },
{ 1, 0, 0, 3, 13, 66, },
{ 3, 0, 0, 3, 13, 28, },
{ 4, 0, 0, 3, 13, 62, },
@@ -12490,6 +26283,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 13, 28, },
{ 7, 0, 0, 3, 13, 36, },
{ 8, 0, 0, 3, 13, 28, },
+ { 9, 0, 0, 3, 13, 36, },
+ { 0, 0, 0, 3, 14, 127, },
+ { 2, 0, 0, 3, 14, 127, },
{ 1, 0, 0, 3, 14, 127, },
{ 3, 0, 0, 3, 14, 127, },
{ 4, 0, 0, 3, 14, 127, },
@@ -12497,6 +26293,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 0, 3, 14, 127, },
{ 7, 0, 0, 3, 14, 127, },
{ 8, 0, 0, 3, 14, 127, },
+ { 9, 0, 0, 3, 14, 127, },
+ { 0, 0, 1, 2, 1, 127, },
+ { 2, 0, 1, 2, 1, 127, },
{ 1, 0, 1, 2, 1, 127, },
{ 3, 0, 1, 2, 1, 127, },
{ 4, 0, 1, 2, 1, 127, },
@@ -12504,6 +26303,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 1, 127, },
{ 7, 0, 1, 2, 1, 127, },
{ 8, 0, 1, 2, 1, 127, },
+ { 9, 0, 1, 2, 1, 127, },
+ { 0, 0, 1, 2, 2, 127, },
+ { 2, 0, 1, 2, 2, 127, },
{ 1, 0, 1, 2, 2, 127, },
{ 3, 0, 1, 2, 2, 127, },
{ 4, 0, 1, 2, 2, 127, },
@@ -12511,6 +26313,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 2, 127, },
{ 7, 0, 1, 2, 2, 127, },
{ 8, 0, 1, 2, 2, 127, },
+ { 9, 0, 1, 2, 2, 127, },
+ { 0, 0, 1, 2, 3, 52, },
+ { 2, 0, 1, 2, 3, 60, },
{ 1, 0, 1, 2, 3, 72, },
{ 3, 0, 1, 2, 3, 52, },
{ 4, 0, 1, 2, 3, 72, },
@@ -12518,6 +26323,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 3, 52, },
{ 7, 0, 1, 2, 3, 60, },
{ 8, 0, 1, 2, 3, 52, },
+ { 9, 0, 1, 2, 3, 60, },
+ { 0, 0, 1, 2, 4, 52, },
+ { 2, 0, 1, 2, 4, 60, },
{ 1, 0, 1, 2, 4, 72, },
{ 3, 0, 1, 2, 4, 52, },
{ 4, 0, 1, 2, 4, 72, },
@@ -12525,6 +26333,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 4, 52, },
{ 7, 0, 1, 2, 4, 60, },
{ 8, 0, 1, 2, 4, 52, },
+ { 9, 0, 1, 2, 4, 60, },
+ { 0, 0, 1, 2, 5, 60, },
+ { 2, 0, 1, 2, 5, 60, },
{ 1, 0, 1, 2, 5, 72, },
{ 3, 0, 1, 2, 5, 60, },
{ 4, 0, 1, 2, 5, 72, },
@@ -12532,6 +26343,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 5, 60, },
{ 7, 0, 1, 2, 5, 60, },
{ 8, 0, 1, 2, 5, 60, },
+ { 9, 0, 1, 2, 5, 60, },
+ { 0, 0, 1, 2, 6, 64, },
+ { 2, 0, 1, 2, 6, 60, },
{ 1, 0, 1, 2, 6, 72, },
{ 3, 0, 1, 2, 6, 64, },
{ 4, 0, 1, 2, 6, 72, },
@@ -12539,6 +26353,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 6, 64, },
{ 7, 0, 1, 2, 6, 60, },
{ 8, 0, 1, 2, 6, 64, },
+ { 9, 0, 1, 2, 6, 60, },
+ { 0, 0, 1, 2, 7, 60, },
+ { 2, 0, 1, 2, 7, 60, },
{ 1, 0, 1, 2, 7, 72, },
{ 3, 0, 1, 2, 7, 60, },
{ 4, 0, 1, 2, 7, 72, },
@@ -12546,6 +26363,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 7, 60, },
{ 7, 0, 1, 2, 7, 60, },
{ 8, 0, 1, 2, 7, 60, },
+ { 9, 0, 1, 2, 7, 60, },
+ { 0, 0, 1, 2, 8, 52, },
+ { 2, 0, 1, 2, 8, 60, },
{ 1, 0, 1, 2, 8, 72, },
{ 3, 0, 1, 2, 8, 52, },
{ 4, 0, 1, 2, 8, 72, },
@@ -12553,6 +26373,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 8, 52, },
{ 7, 0, 1, 2, 8, 60, },
{ 8, 0, 1, 2, 8, 52, },
+ { 9, 0, 1, 2, 8, 60, },
+ { 0, 0, 1, 2, 9, 52, },
+ { 2, 0, 1, 2, 9, 60, },
{ 1, 0, 1, 2, 9, 72, },
{ 3, 0, 1, 2, 9, 52, },
{ 4, 0, 1, 2, 9, 72, },
@@ -12560,6 +26383,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 9, 52, },
{ 7, 0, 1, 2, 9, 60, },
{ 8, 0, 1, 2, 9, 52, },
+ { 9, 0, 1, 2, 9, 60, },
+ { 0, 0, 1, 2, 10, 40, },
+ { 2, 0, 1, 2, 10, 60, },
{ 1, 0, 1, 2, 10, 72, },
{ 3, 0, 1, 2, 10, 40, },
{ 4, 0, 1, 2, 10, 72, },
@@ -12567,6 +26393,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 10, 40, },
{ 7, 0, 1, 2, 10, 60, },
{ 8, 0, 1, 2, 10, 40, },
+ { 9, 0, 1, 2, 10, 60, },
+ { 0, 0, 1, 2, 11, 28, },
+ { 2, 0, 1, 2, 11, 60, },
{ 1, 0, 1, 2, 11, 72, },
{ 3, 0, 1, 2, 11, 28, },
{ 4, 0, 1, 2, 11, 70, },
@@ -12574,6 +26403,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 11, 28, },
{ 7, 0, 1, 2, 11, 60, },
{ 8, 0, 1, 2, 11, 28, },
+ { 9, 0, 1, 2, 11, 60, },
+ { 0, 0, 1, 2, 12, 127, },
+ { 2, 0, 1, 2, 12, 127, },
{ 1, 0, 1, 2, 12, 127, },
{ 3, 0, 1, 2, 12, 127, },
{ 4, 0, 1, 2, 12, 127, },
@@ -12581,6 +26413,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 12, 127, },
{ 7, 0, 1, 2, 12, 127, },
{ 8, 0, 1, 2, 12, 127, },
+ { 9, 0, 1, 2, 12, 127, },
+ { 0, 0, 1, 2, 13, 127, },
+ { 2, 0, 1, 2, 13, 127, },
{ 1, 0, 1, 2, 13, 127, },
{ 3, 0, 1, 2, 13, 127, },
{ 4, 0, 1, 2, 13, 127, },
@@ -12588,6 +26423,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 13, 127, },
{ 7, 0, 1, 2, 13, 127, },
{ 8, 0, 1, 2, 13, 127, },
+ { 9, 0, 1, 2, 13, 127, },
+ { 0, 0, 1, 2, 14, 127, },
+ { 2, 0, 1, 2, 14, 127, },
{ 1, 0, 1, 2, 14, 127, },
{ 3, 0, 1, 2, 14, 127, },
{ 4, 0, 1, 2, 14, 127, },
@@ -12595,6 +26433,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 2, 14, 127, },
{ 7, 0, 1, 2, 14, 127, },
{ 8, 0, 1, 2, 14, 127, },
+ { 9, 0, 1, 2, 14, 127, },
+ { 0, 0, 1, 3, 1, 127, },
+ { 2, 0, 1, 3, 1, 127, },
{ 1, 0, 1, 3, 1, 127, },
{ 3, 0, 1, 3, 1, 127, },
{ 4, 0, 1, 3, 1, 127, },
@@ -12602,6 +26443,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 1, 127, },
{ 7, 0, 1, 3, 1, 127, },
{ 8, 0, 1, 3, 1, 127, },
+ { 9, 0, 1, 3, 1, 127, },
+ { 0, 0, 1, 3, 2, 127, },
+ { 2, 0, 1, 3, 2, 127, },
{ 1, 0, 1, 3, 2, 127, },
{ 3, 0, 1, 3, 2, 127, },
{ 4, 0, 1, 3, 2, 127, },
@@ -12609,6 +26453,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 2, 127, },
{ 7, 0, 1, 3, 2, 127, },
{ 8, 0, 1, 3, 2, 127, },
+ { 9, 0, 1, 3, 2, 127, },
+ { 0, 0, 1, 3, 3, 48, },
+ { 2, 0, 1, 3, 3, 36, },
{ 1, 0, 1, 3, 3, 66, },
{ 3, 0, 1, 3, 3, 48, },
{ 4, 0, 1, 3, 3, 66, },
@@ -12616,6 +26463,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 3, 48, },
{ 7, 0, 1, 3, 3, 36, },
{ 8, 0, 1, 3, 3, 48, },
+ { 9, 0, 1, 3, 3, 36, },
+ { 0, 0, 1, 3, 4, 48, },
+ { 2, 0, 1, 3, 4, 36, },
{ 1, 0, 1, 3, 4, 66, },
{ 3, 0, 1, 3, 4, 48, },
{ 4, 0, 1, 3, 4, 70, },
@@ -12623,6 +26473,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 4, 48, },
{ 7, 0, 1, 3, 4, 36, },
{ 8, 0, 1, 3, 4, 48, },
+ { 9, 0, 1, 3, 4, 36, },
+ { 0, 0, 1, 3, 5, 60, },
+ { 2, 0, 1, 3, 5, 36, },
{ 1, 0, 1, 3, 5, 66, },
{ 3, 0, 1, 3, 5, 60, },
{ 4, 0, 1, 3, 5, 70, },
@@ -12630,6 +26483,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 5, 60, },
{ 7, 0, 1, 3, 5, 36, },
{ 8, 0, 1, 3, 5, 60, },
+ { 9, 0, 1, 3, 5, 36, },
+ { 0, 0, 1, 3, 6, 64, },
+ { 2, 0, 1, 3, 6, 36, },
{ 1, 0, 1, 3, 6, 66, },
{ 3, 0, 1, 3, 6, 64, },
{ 4, 0, 1, 3, 6, 70, },
@@ -12637,6 +26493,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 6, 64, },
{ 7, 0, 1, 3, 6, 36, },
{ 8, 0, 1, 3, 6, 64, },
+ { 9, 0, 1, 3, 6, 36, },
+ { 0, 0, 1, 3, 7, 60, },
+ { 2, 0, 1, 3, 7, 36, },
{ 1, 0, 1, 3, 7, 66, },
{ 3, 0, 1, 3, 7, 60, },
{ 4, 0, 1, 3, 7, 70, },
@@ -12644,6 +26503,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 7, 60, },
{ 7, 0, 1, 3, 7, 36, },
{ 8, 0, 1, 3, 7, 60, },
+ { 9, 0, 1, 3, 7, 36, },
+ { 0, 0, 1, 3, 8, 52, },
+ { 2, 0, 1, 3, 8, 36, },
{ 1, 0, 1, 3, 8, 66, },
{ 3, 0, 1, 3, 8, 52, },
{ 4, 0, 1, 3, 8, 70, },
@@ -12651,6 +26513,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 8, 52, },
{ 7, 0, 1, 3, 8, 36, },
{ 8, 0, 1, 3, 8, 52, },
+ { 9, 0, 1, 3, 8, 36, },
+ { 0, 0, 1, 3, 9, 52, },
+ { 2, 0, 1, 3, 9, 36, },
{ 1, 0, 1, 3, 9, 66, },
{ 3, 0, 1, 3, 9, 52, },
{ 4, 0, 1, 3, 9, 70, },
@@ -12658,6 +26523,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 9, 52, },
{ 7, 0, 1, 3, 9, 36, },
{ 8, 0, 1, 3, 9, 52, },
+ { 9, 0, 1, 3, 9, 36, },
+ { 0, 0, 1, 3, 10, 40, },
+ { 2, 0, 1, 3, 10, 36, },
{ 1, 0, 1, 3, 10, 66, },
{ 3, 0, 1, 3, 10, 40, },
{ 4, 0, 1, 3, 10, 70, },
@@ -12665,6 +26533,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 10, 40, },
{ 7, 0, 1, 3, 10, 36, },
{ 8, 0, 1, 3, 10, 40, },
+ { 9, 0, 1, 3, 10, 36, },
+ { 0, 0, 1, 3, 11, 26, },
+ { 2, 0, 1, 3, 11, 36, },
{ 1, 0, 1, 3, 11, 66, },
{ 3, 0, 1, 3, 11, 26, },
{ 4, 0, 1, 3, 11, 66, },
@@ -12672,6 +26543,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 11, 26, },
{ 7, 0, 1, 3, 11, 36, },
{ 8, 0, 1, 3, 11, 26, },
+ { 9, 0, 1, 3, 11, 36, },
+ { 0, 0, 1, 3, 12, 127, },
+ { 2, 0, 1, 3, 12, 127, },
{ 1, 0, 1, 3, 12, 127, },
{ 3, 0, 1, 3, 12, 127, },
{ 4, 0, 1, 3, 12, 127, },
@@ -12679,6 +26553,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 12, 127, },
{ 7, 0, 1, 3, 12, 127, },
{ 8, 0, 1, 3, 12, 127, },
+ { 9, 0, 1, 3, 12, 127, },
+ { 0, 0, 1, 3, 13, 127, },
+ { 2, 0, 1, 3, 13, 127, },
{ 1, 0, 1, 3, 13, 127, },
{ 3, 0, 1, 3, 13, 127, },
{ 4, 0, 1, 3, 13, 127, },
@@ -12686,6 +26563,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 13, 127, },
{ 7, 0, 1, 3, 13, 127, },
{ 8, 0, 1, 3, 13, 127, },
+ { 9, 0, 1, 3, 13, 127, },
+ { 0, 0, 1, 3, 14, 127, },
+ { 2, 0, 1, 3, 14, 127, },
{ 1, 0, 1, 3, 14, 127, },
{ 3, 0, 1, 3, 14, 127, },
{ 4, 0, 1, 3, 14, 127, },
@@ -12693,6 +26573,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 0, 1, 3, 14, 127, },
{ 7, 0, 1, 3, 14, 127, },
{ 8, 0, 1, 3, 14, 127, },
+ { 9, 0, 1, 3, 14, 127, },
+ { 0, 1, 0, 1, 36, 74, },
+ { 2, 1, 0, 1, 36, 62, },
{ 1, 1, 0, 1, 36, 60, },
{ 3, 1, 0, 1, 36, 62, },
{ 4, 1, 0, 1, 36, 76, },
@@ -12700,6 +26583,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 36, 64, },
{ 7, 1, 0, 1, 36, 54, },
{ 8, 1, 0, 1, 36, 62, },
+ { 9, 1, 0, 1, 36, 62, },
+ { 0, 1, 0, 1, 40, 76, },
+ { 2, 1, 0, 1, 40, 62, },
{ 1, 1, 0, 1, 40, 62, },
{ 3, 1, 0, 1, 40, 62, },
{ 4, 1, 0, 1, 40, 76, },
@@ -12707,6 +26593,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 40, 64, },
{ 7, 1, 0, 1, 40, 54, },
{ 8, 1, 0, 1, 40, 62, },
+ { 9, 1, 0, 1, 40, 62, },
+ { 0, 1, 0, 1, 44, 76, },
+ { 2, 1, 0, 1, 44, 62, },
{ 1, 1, 0, 1, 44, 62, },
{ 3, 1, 0, 1, 44, 62, },
{ 4, 1, 0, 1, 44, 76, },
@@ -12714,13 +26603,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 44, 64, },
{ 7, 1, 0, 1, 44, 54, },
{ 8, 1, 0, 1, 44, 62, },
+ { 9, 1, 0, 1, 44, 62, },
+ { 0, 1, 0, 1, 48, 76, },
+ { 2, 1, 0, 1, 48, 62, },
{ 1, 1, 0, 1, 48, 62, },
{ 3, 1, 0, 1, 48, 62, },
- { 4, 1, 0, 1, 48, 76, },
+ { 4, 1, 0, 1, 48, 54, },
{ 5, 1, 0, 1, 48, 62, },
{ 6, 1, 0, 1, 48, 64, },
{ 7, 1, 0, 1, 48, 54, },
{ 8, 1, 0, 1, 48, 62, },
+ { 9, 1, 0, 1, 48, 62, },
+ { 0, 1, 0, 1, 52, 76, },
+ { 2, 1, 0, 1, 52, 62, },
{ 1, 1, 0, 1, 52, 62, },
{ 3, 1, 0, 1, 52, 64, },
{ 4, 1, 0, 1, 52, 76, },
@@ -12728,6 +26623,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 52, 76, },
{ 7, 1, 0, 1, 52, 54, },
{ 8, 1, 0, 1, 52, 76, },
+ { 9, 1, 0, 1, 52, 62, },
+ { 0, 1, 0, 1, 56, 76, },
+ { 2, 1, 0, 1, 56, 62, },
{ 1, 1, 0, 1, 56, 62, },
{ 3, 1, 0, 1, 56, 64, },
{ 4, 1, 0, 1, 56, 76, },
@@ -12735,6 +26633,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 56, 76, },
{ 7, 1, 0, 1, 56, 54, },
{ 8, 1, 0, 1, 56, 76, },
+ { 9, 1, 0, 1, 56, 62, },
+ { 0, 1, 0, 1, 60, 76, },
+ { 2, 1, 0, 1, 60, 62, },
{ 1, 1, 0, 1, 60, 62, },
{ 3, 1, 0, 1, 60, 64, },
{ 4, 1, 0, 1, 60, 76, },
@@ -12742,6 +26643,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 60, 76, },
{ 7, 1, 0, 1, 60, 54, },
{ 8, 1, 0, 1, 60, 76, },
+ { 9, 1, 0, 1, 60, 62, },
+ { 0, 1, 0, 1, 64, 74, },
+ { 2, 1, 0, 1, 64, 62, },
{ 1, 1, 0, 1, 64, 60, },
{ 3, 1, 0, 1, 64, 64, },
{ 4, 1, 0, 1, 64, 76, },
@@ -12749,6 +26653,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 64, 74, },
{ 7, 1, 0, 1, 64, 54, },
{ 8, 1, 0, 1, 64, 74, },
+ { 9, 1, 0, 1, 64, 62, },
+ { 0, 1, 0, 1, 100, 72, },
+ { 2, 1, 0, 1, 100, 62, },
{ 1, 1, 0, 1, 100, 76, },
{ 3, 1, 0, 1, 100, 72, },
{ 4, 1, 0, 1, 100, 76, },
@@ -12756,6 +26663,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 100, 72, },
{ 7, 1, 0, 1, 100, 54, },
{ 8, 1, 0, 1, 100, 72, },
+ { 9, 1, 0, 1, 100, 127, },
+ { 0, 1, 0, 1, 104, 76, },
+ { 2, 1, 0, 1, 104, 62, },
{ 1, 1, 0, 1, 104, 76, },
{ 3, 1, 0, 1, 104, 76, },
{ 4, 1, 0, 1, 104, 76, },
@@ -12763,6 +26673,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 104, 76, },
{ 7, 1, 0, 1, 104, 54, },
{ 8, 1, 0, 1, 104, 76, },
+ { 9, 1, 0, 1, 104, 127, },
+ { 0, 1, 0, 1, 108, 76, },
+ { 2, 1, 0, 1, 108, 62, },
{ 1, 1, 0, 1, 108, 76, },
{ 3, 1, 0, 1, 108, 76, },
{ 4, 1, 0, 1, 108, 76, },
@@ -12770,6 +26683,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 108, 76, },
{ 7, 1, 0, 1, 108, 54, },
{ 8, 1, 0, 1, 108, 76, },
+ { 9, 1, 0, 1, 108, 127, },
+ { 0, 1, 0, 1, 112, 76, },
+ { 2, 1, 0, 1, 112, 62, },
{ 1, 1, 0, 1, 112, 76, },
{ 3, 1, 0, 1, 112, 76, },
{ 4, 1, 0, 1, 112, 76, },
@@ -12777,6 +26693,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 112, 76, },
{ 7, 1, 0, 1, 112, 54, },
{ 8, 1, 0, 1, 112, 76, },
+ { 9, 1, 0, 1, 112, 127, },
+ { 0, 1, 0, 1, 116, 76, },
+ { 2, 1, 0, 1, 116, 62, },
{ 1, 1, 0, 1, 116, 76, },
{ 3, 1, 0, 1, 116, 76, },
{ 4, 1, 0, 1, 116, 76, },
@@ -12784,6 +26703,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 116, 76, },
{ 7, 1, 0, 1, 116, 54, },
{ 8, 1, 0, 1, 116, 76, },
+ { 9, 1, 0, 1, 116, 127, },
+ { 0, 1, 0, 1, 120, 76, },
+ { 2, 1, 0, 1, 120, 62, },
{ 1, 1, 0, 1, 120, 76, },
{ 3, 1, 0, 1, 120, 127, },
{ 4, 1, 0, 1, 120, 76, },
@@ -12791,6 +26713,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 120, 76, },
{ 7, 1, 0, 1, 120, 54, },
{ 8, 1, 0, 1, 120, 76, },
+ { 9, 1, 0, 1, 120, 127, },
+ { 0, 1, 0, 1, 124, 76, },
+ { 2, 1, 0, 1, 124, 62, },
{ 1, 1, 0, 1, 124, 76, },
{ 3, 1, 0, 1, 124, 127, },
{ 4, 1, 0, 1, 124, 76, },
@@ -12798,6 +26723,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 124, 76, },
{ 7, 1, 0, 1, 124, 54, },
{ 8, 1, 0, 1, 124, 76, },
+ { 9, 1, 0, 1, 124, 127, },
+ { 0, 1, 0, 1, 128, 76, },
+ { 2, 1, 0, 1, 128, 62, },
{ 1, 1, 0, 1, 128, 76, },
{ 3, 1, 0, 1, 128, 127, },
{ 4, 1, 0, 1, 128, 76, },
@@ -12805,6 +26733,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 128, 76, },
{ 7, 1, 0, 1, 128, 54, },
{ 8, 1, 0, 1, 128, 76, },
+ { 9, 1, 0, 1, 128, 127, },
+ { 0, 1, 0, 1, 132, 76, },
+ { 2, 1, 0, 1, 132, 62, },
{ 1, 1, 0, 1, 132, 76, },
{ 3, 1, 0, 1, 132, 76, },
{ 4, 1, 0, 1, 132, 76, },
@@ -12812,20 +26743,29 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 132, 76, },
{ 7, 1, 0, 1, 132, 54, },
{ 8, 1, 0, 1, 132, 76, },
+ { 9, 1, 0, 1, 132, 127, },
+ { 0, 1, 0, 1, 136, 76, },
+ { 2, 1, 0, 1, 136, 62, },
{ 1, 1, 0, 1, 136, 76, },
{ 3, 1, 0, 1, 136, 76, },
{ 4, 1, 0, 1, 136, 76, },
{ 5, 1, 0, 1, 136, 62, },
{ 6, 1, 0, 1, 136, 76, },
- { 7, 1, 0, 1, 136, 127, },
+ { 7, 1, 0, 1, 136, 54, },
{ 8, 1, 0, 1, 136, 76, },
+ { 9, 1, 0, 1, 136, 127, },
+ { 0, 1, 0, 1, 140, 72, },
+ { 2, 1, 0, 1, 140, 62, },
{ 1, 1, 0, 1, 140, 76, },
{ 3, 1, 0, 1, 140, 72, },
{ 4, 1, 0, 1, 140, 76, },
{ 5, 1, 0, 1, 140, 62, },
{ 6, 1, 0, 1, 140, 72, },
- { 7, 1, 0, 1, 140, 127, },
+ { 7, 1, 0, 1, 140, 54, },
{ 8, 1, 0, 1, 140, 72, },
+ { 9, 1, 0, 1, 140, 127, },
+ { 0, 1, 0, 1, 144, 76, },
+ { 2, 1, 0, 1, 144, 127, },
{ 1, 1, 0, 1, 144, 127, },
{ 3, 1, 0, 1, 144, 76, },
{ 4, 1, 0, 1, 144, 76, },
@@ -12833,6 +26773,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 144, 76, },
{ 7, 1, 0, 1, 144, 127, },
{ 8, 1, 0, 1, 144, 76, },
+ { 9, 1, 0, 1, 144, 127, },
+ { 0, 1, 0, 1, 149, 76, },
+ { 2, 1, 0, 1, 149, -128, },
{ 1, 1, 0, 1, 149, 127, },
{ 3, 1, 0, 1, 149, 76, },
{ 4, 1, 0, 1, 149, 74, },
@@ -12840,6 +26783,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 149, 76, },
{ 7, 1, 0, 1, 149, 54, },
{ 8, 1, 0, 1, 149, 76, },
+ { 9, 1, 0, 1, 149, -128, },
+ { 0, 1, 0, 1, 153, 76, },
+ { 2, 1, 0, 1, 153, -128, },
{ 1, 1, 0, 1, 153, 127, },
{ 3, 1, 0, 1, 153, 76, },
{ 4, 1, 0, 1, 153, 74, },
@@ -12847,6 +26793,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 153, 76, },
{ 7, 1, 0, 1, 153, 54, },
{ 8, 1, 0, 1, 153, 76, },
+ { 9, 1, 0, 1, 153, -128, },
+ { 0, 1, 0, 1, 157, 76, },
+ { 2, 1, 0, 1, 157, -128, },
{ 1, 1, 0, 1, 157, 127, },
{ 3, 1, 0, 1, 157, 76, },
{ 4, 1, 0, 1, 157, 74, },
@@ -12854,6 +26803,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 157, 76, },
{ 7, 1, 0, 1, 157, 54, },
{ 8, 1, 0, 1, 157, 76, },
+ { 9, 1, 0, 1, 157, -128, },
+ { 0, 1, 0, 1, 161, 76, },
+ { 2, 1, 0, 1, 161, -128, },
{ 1, 1, 0, 1, 161, 127, },
{ 3, 1, 0, 1, 161, 76, },
{ 4, 1, 0, 1, 161, 74, },
@@ -12861,6 +26813,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 161, 76, },
{ 7, 1, 0, 1, 161, 54, },
{ 8, 1, 0, 1, 161, 76, },
+ { 9, 1, 0, 1, 161, -128, },
+ { 0, 1, 0, 1, 165, 76, },
+ { 2, 1, 0, 1, 165, -128, },
{ 1, 1, 0, 1, 165, 127, },
{ 3, 1, 0, 1, 165, 76, },
{ 4, 1, 0, 1, 165, 74, },
@@ -12868,6 +26823,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 1, 165, 76, },
{ 7, 1, 0, 1, 165, 54, },
{ 8, 1, 0, 1, 165, 76, },
+ { 9, 1, 0, 1, 165, -128, },
+ { 0, 1, 0, 2, 36, 72, },
+ { 2, 1, 0, 2, 36, 62, },
{ 1, 1, 0, 2, 36, 62, },
{ 3, 1, 0, 2, 36, 62, },
{ 4, 1, 0, 2, 36, 76, },
@@ -12875,6 +26833,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 36, 64, },
{ 7, 1, 0, 2, 36, 54, },
{ 8, 1, 0, 2, 36, 62, },
+ { 9, 1, 0, 2, 36, 62, },
+ { 0, 1, 0, 2, 40, 76, },
+ { 2, 1, 0, 2, 40, 62, },
{ 1, 1, 0, 2, 40, 62, },
{ 3, 1, 0, 2, 40, 62, },
{ 4, 1, 0, 2, 40, 76, },
@@ -12882,6 +26843,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 40, 64, },
{ 7, 1, 0, 2, 40, 54, },
{ 8, 1, 0, 2, 40, 62, },
+ { 9, 1, 0, 2, 40, 62, },
+ { 0, 1, 0, 2, 44, 76, },
+ { 2, 1, 0, 2, 44, 62, },
{ 1, 1, 0, 2, 44, 62, },
{ 3, 1, 0, 2, 44, 62, },
{ 4, 1, 0, 2, 44, 76, },
@@ -12889,13 +26853,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 44, 64, },
{ 7, 1, 0, 2, 44, 54, },
{ 8, 1, 0, 2, 44, 62, },
+ { 9, 1, 0, 2, 44, 62, },
+ { 0, 1, 0, 2, 48, 76, },
+ { 2, 1, 0, 2, 48, 62, },
{ 1, 1, 0, 2, 48, 62, },
{ 3, 1, 0, 2, 48, 62, },
- { 4, 1, 0, 2, 48, 76, },
+ { 4, 1, 0, 2, 48, 54, },
{ 5, 1, 0, 2, 48, 62, },
{ 6, 1, 0, 2, 48, 64, },
{ 7, 1, 0, 2, 48, 54, },
{ 8, 1, 0, 2, 48, 62, },
+ { 9, 1, 0, 2, 48, 62, },
+ { 0, 1, 0, 2, 52, 76, },
+ { 2, 1, 0, 2, 52, 62, },
{ 1, 1, 0, 2, 52, 62, },
{ 3, 1, 0, 2, 52, 64, },
{ 4, 1, 0, 2, 52, 76, },
@@ -12903,6 +26873,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 52, 76, },
{ 7, 1, 0, 2, 52, 54, },
{ 8, 1, 0, 2, 52, 76, },
+ { 9, 1, 0, 2, 52, 62, },
+ { 0, 1, 0, 2, 56, 76, },
+ { 2, 1, 0, 2, 56, 62, },
{ 1, 1, 0, 2, 56, 62, },
{ 3, 1, 0, 2, 56, 64, },
{ 4, 1, 0, 2, 56, 76, },
@@ -12910,6 +26883,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 56, 76, },
{ 7, 1, 0, 2, 56, 54, },
{ 8, 1, 0, 2, 56, 76, },
+ { 9, 1, 0, 2, 56, 62, },
+ { 0, 1, 0, 2, 60, 76, },
+ { 2, 1, 0, 2, 60, 62, },
{ 1, 1, 0, 2, 60, 62, },
{ 3, 1, 0, 2, 60, 64, },
{ 4, 1, 0, 2, 60, 76, },
@@ -12917,6 +26893,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 60, 76, },
{ 7, 1, 0, 2, 60, 54, },
{ 8, 1, 0, 2, 60, 76, },
+ { 9, 1, 0, 2, 60, 62, },
+ { 0, 1, 0, 2, 64, 74, },
+ { 2, 1, 0, 2, 64, 62, },
{ 1, 1, 0, 2, 64, 60, },
{ 3, 1, 0, 2, 64, 64, },
{ 4, 1, 0, 2, 64, 74, },
@@ -12924,6 +26903,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 64, 74, },
{ 7, 1, 0, 2, 64, 54, },
{ 8, 1, 0, 2, 64, 74, },
+ { 9, 1, 0, 2, 64, 62, },
+ { 0, 1, 0, 2, 100, 70, },
+ { 2, 1, 0, 2, 100, 62, },
{ 1, 1, 0, 2, 100, 76, },
{ 3, 1, 0, 2, 100, 70, },
{ 4, 1, 0, 2, 100, 76, },
@@ -12931,6 +26913,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 100, 70, },
{ 7, 1, 0, 2, 100, 54, },
{ 8, 1, 0, 2, 100, 70, },
+ { 9, 1, 0, 2, 100, 127, },
+ { 0, 1, 0, 2, 104, 76, },
+ { 2, 1, 0, 2, 104, 62, },
{ 1, 1, 0, 2, 104, 76, },
{ 3, 1, 0, 2, 104, 76, },
{ 4, 1, 0, 2, 104, 76, },
@@ -12938,6 +26923,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 104, 76, },
{ 7, 1, 0, 2, 104, 54, },
{ 8, 1, 0, 2, 104, 76, },
+ { 9, 1, 0, 2, 104, 127, },
+ { 0, 1, 0, 2, 108, 76, },
+ { 2, 1, 0, 2, 108, 62, },
{ 1, 1, 0, 2, 108, 76, },
{ 3, 1, 0, 2, 108, 76, },
{ 4, 1, 0, 2, 108, 76, },
@@ -12945,6 +26933,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 108, 76, },
{ 7, 1, 0, 2, 108, 54, },
{ 8, 1, 0, 2, 108, 76, },
+ { 9, 1, 0, 2, 108, 127, },
+ { 0, 1, 0, 2, 112, 76, },
+ { 2, 1, 0, 2, 112, 62, },
{ 1, 1, 0, 2, 112, 76, },
{ 3, 1, 0, 2, 112, 76, },
{ 4, 1, 0, 2, 112, 76, },
@@ -12952,6 +26943,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 112, 76, },
{ 7, 1, 0, 2, 112, 54, },
{ 8, 1, 0, 2, 112, 76, },
+ { 9, 1, 0, 2, 112, 127, },
+ { 0, 1, 0, 2, 116, 76, },
+ { 2, 1, 0, 2, 116, 62, },
{ 1, 1, 0, 2, 116, 76, },
{ 3, 1, 0, 2, 116, 76, },
{ 4, 1, 0, 2, 116, 76, },
@@ -12959,6 +26953,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 116, 76, },
{ 7, 1, 0, 2, 116, 54, },
{ 8, 1, 0, 2, 116, 76, },
+ { 9, 1, 0, 2, 116, 127, },
+ { 0, 1, 0, 2, 120, 76, },
+ { 2, 1, 0, 2, 120, 62, },
{ 1, 1, 0, 2, 120, 76, },
{ 3, 1, 0, 2, 120, 127, },
{ 4, 1, 0, 2, 120, 76, },
@@ -12966,6 +26963,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 120, 76, },
{ 7, 1, 0, 2, 120, 54, },
{ 8, 1, 0, 2, 120, 76, },
+ { 9, 1, 0, 2, 120, 127, },
+ { 0, 1, 0, 2, 124, 76, },
+ { 2, 1, 0, 2, 124, 62, },
{ 1, 1, 0, 2, 124, 76, },
{ 3, 1, 0, 2, 124, 127, },
{ 4, 1, 0, 2, 124, 76, },
@@ -12973,6 +26973,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 124, 76, },
{ 7, 1, 0, 2, 124, 54, },
{ 8, 1, 0, 2, 124, 76, },
+ { 9, 1, 0, 2, 124, 127, },
+ { 0, 1, 0, 2, 128, 76, },
+ { 2, 1, 0, 2, 128, 62, },
{ 1, 1, 0, 2, 128, 76, },
{ 3, 1, 0, 2, 128, 127, },
{ 4, 1, 0, 2, 128, 76, },
@@ -12980,6 +26983,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 128, 76, },
{ 7, 1, 0, 2, 128, 54, },
{ 8, 1, 0, 2, 128, 76, },
+ { 9, 1, 0, 2, 128, 127, },
+ { 0, 1, 0, 2, 132, 76, },
+ { 2, 1, 0, 2, 132, 62, },
{ 1, 1, 0, 2, 132, 76, },
{ 3, 1, 0, 2, 132, 76, },
{ 4, 1, 0, 2, 132, 76, },
@@ -12987,20 +26993,29 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 132, 76, },
{ 7, 1, 0, 2, 132, 54, },
{ 8, 1, 0, 2, 132, 76, },
+ { 9, 1, 0, 2, 132, 127, },
+ { 0, 1, 0, 2, 136, 76, },
+ { 2, 1, 0, 2, 136, 62, },
{ 1, 1, 0, 2, 136, 76, },
{ 3, 1, 0, 2, 136, 76, },
{ 4, 1, 0, 2, 136, 76, },
{ 5, 1, 0, 2, 136, 62, },
{ 6, 1, 0, 2, 136, 76, },
- { 7, 1, 0, 2, 136, 127, },
+ { 7, 1, 0, 2, 136, 54, },
{ 8, 1, 0, 2, 136, 76, },
+ { 9, 1, 0, 2, 136, 127, },
+ { 0, 1, 0, 2, 140, 70, },
+ { 2, 1, 0, 2, 140, 62, },
{ 1, 1, 0, 2, 140, 76, },
{ 3, 1, 0, 2, 140, 70, },
{ 4, 1, 0, 2, 140, 76, },
{ 5, 1, 0, 2, 140, 62, },
{ 6, 1, 0, 2, 140, 70, },
- { 7, 1, 0, 2, 140, 127, },
+ { 7, 1, 0, 2, 140, 54, },
{ 8, 1, 0, 2, 140, 70, },
+ { 9, 1, 0, 2, 140, 127, },
+ { 0, 1, 0, 2, 144, 76, },
+ { 2, 1, 0, 2, 144, 127, },
{ 1, 1, 0, 2, 144, 127, },
{ 3, 1, 0, 2, 144, 76, },
{ 4, 1, 0, 2, 144, 76, },
@@ -13008,6 +27023,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 144, 76, },
{ 7, 1, 0, 2, 144, 127, },
{ 8, 1, 0, 2, 144, 76, },
+ { 9, 1, 0, 2, 144, 127, },
+ { 0, 1, 0, 2, 149, 76, },
+ { 2, 1, 0, 2, 149, -128, },
{ 1, 1, 0, 2, 149, 127, },
{ 3, 1, 0, 2, 149, 76, },
{ 4, 1, 0, 2, 149, 74, },
@@ -13015,6 +27033,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 149, 76, },
{ 7, 1, 0, 2, 149, 54, },
{ 8, 1, 0, 2, 149, 76, },
+ { 9, 1, 0, 2, 149, -128, },
+ { 0, 1, 0, 2, 153, 76, },
+ { 2, 1, 0, 2, 153, -128, },
{ 1, 1, 0, 2, 153, 127, },
{ 3, 1, 0, 2, 153, 76, },
{ 4, 1, 0, 2, 153, 74, },
@@ -13022,6 +27043,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 153, 76, },
{ 7, 1, 0, 2, 153, 54, },
{ 8, 1, 0, 2, 153, 76, },
+ { 9, 1, 0, 2, 153, -128, },
+ { 0, 1, 0, 2, 157, 76, },
+ { 2, 1, 0, 2, 157, -128, },
{ 1, 1, 0, 2, 157, 127, },
{ 3, 1, 0, 2, 157, 76, },
{ 4, 1, 0, 2, 157, 74, },
@@ -13029,6 +27053,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 157, 76, },
{ 7, 1, 0, 2, 157, 54, },
{ 8, 1, 0, 2, 157, 76, },
+ { 9, 1, 0, 2, 157, -128, },
+ { 0, 1, 0, 2, 161, 76, },
+ { 2, 1, 0, 2, 161, -128, },
{ 1, 1, 0, 2, 161, 127, },
{ 3, 1, 0, 2, 161, 76, },
{ 4, 1, 0, 2, 161, 74, },
@@ -13036,6 +27063,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 161, 76, },
{ 7, 1, 0, 2, 161, 54, },
{ 8, 1, 0, 2, 161, 76, },
+ { 9, 1, 0, 2, 161, -128, },
+ { 0, 1, 0, 2, 165, 76, },
+ { 2, 1, 0, 2, 165, -128, },
{ 1, 1, 0, 2, 165, 127, },
{ 3, 1, 0, 2, 165, 76, },
{ 4, 1, 0, 2, 165, 74, },
@@ -13043,6 +27073,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 2, 165, 76, },
{ 7, 1, 0, 2, 165, 54, },
{ 8, 1, 0, 2, 165, 76, },
+ { 9, 1, 0, 2, 165, -128, },
+ { 0, 1, 0, 3, 36, 68, },
+ { 2, 1, 0, 3, 36, 38, },
{ 1, 1, 0, 3, 36, 50, },
{ 3, 1, 0, 3, 36, 38, },
{ 4, 1, 0, 3, 36, 66, },
@@ -13050,6 +27083,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 36, 52, },
{ 7, 1, 0, 3, 36, 30, },
{ 8, 1, 0, 3, 36, 50, },
+ { 9, 1, 0, 3, 36, 38, },
+ { 0, 1, 0, 3, 40, 68, },
+ { 2, 1, 0, 3, 40, 38, },
{ 1, 1, 0, 3, 40, 50, },
{ 3, 1, 0, 3, 40, 38, },
{ 4, 1, 0, 3, 40, 66, },
@@ -13057,6 +27093,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 40, 52, },
{ 7, 1, 0, 3, 40, 30, },
{ 8, 1, 0, 3, 40, 50, },
+ { 9, 1, 0, 3, 40, 38, },
+ { 0, 1, 0, 3, 44, 68, },
+ { 2, 1, 0, 3, 44, 38, },
{ 1, 1, 0, 3, 44, 50, },
{ 3, 1, 0, 3, 44, 38, },
{ 4, 1, 0, 3, 44, 66, },
@@ -13064,13 +27103,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 44, 52, },
{ 7, 1, 0, 3, 44, 30, },
{ 8, 1, 0, 3, 44, 50, },
+ { 9, 1, 0, 3, 44, 38, },
+ { 0, 1, 0, 3, 48, 68, },
+ { 2, 1, 0, 3, 48, 38, },
{ 1, 1, 0, 3, 48, 50, },
{ 3, 1, 0, 3, 48, 38, },
- { 4, 1, 0, 3, 48, 66, },
+ { 4, 1, 0, 3, 48, 36, },
{ 5, 1, 0, 3, 48, 38, },
{ 6, 1, 0, 3, 48, 52, },
{ 7, 1, 0, 3, 48, 30, },
{ 8, 1, 0, 3, 48, 50, },
+ { 9, 1, 0, 3, 48, 38, },
+ { 0, 1, 0, 3, 52, 68, },
+ { 2, 1, 0, 3, 52, 38, },
{ 1, 1, 0, 3, 52, 50, },
{ 3, 1, 0, 3, 52, 40, },
{ 4, 1, 0, 3, 52, 66, },
@@ -13078,6 +27123,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 52, 68, },
{ 7, 1, 0, 3, 52, 30, },
{ 8, 1, 0, 3, 52, 68, },
+ { 9, 1, 0, 3, 52, 38, },
+ { 0, 1, 0, 3, 56, 68, },
+ { 2, 1, 0, 3, 56, 38, },
{ 1, 1, 0, 3, 56, 50, },
{ 3, 1, 0, 3, 56, 40, },
{ 4, 1, 0, 3, 56, 66, },
@@ -13085,6 +27133,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 56, 68, },
{ 7, 1, 0, 3, 56, 30, },
{ 8, 1, 0, 3, 56, 68, },
+ { 9, 1, 0, 3, 56, 38, },
+ { 0, 1, 0, 3, 60, 66, },
+ { 2, 1, 0, 3, 60, 38, },
{ 1, 1, 0, 3, 60, 50, },
{ 3, 1, 0, 3, 60, 40, },
{ 4, 1, 0, 3, 60, 66, },
@@ -13092,6 +27143,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 60, 66, },
{ 7, 1, 0, 3, 60, 30, },
{ 8, 1, 0, 3, 60, 66, },
+ { 9, 1, 0, 3, 60, 38, },
+ { 0, 1, 0, 3, 64, 68, },
+ { 2, 1, 0, 3, 64, 38, },
{ 1, 1, 0, 3, 64, 50, },
{ 3, 1, 0, 3, 64, 40, },
{ 4, 1, 0, 3, 64, 66, },
@@ -13099,6 +27153,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 64, 68, },
{ 7, 1, 0, 3, 64, 30, },
{ 8, 1, 0, 3, 64, 68, },
+ { 9, 1, 0, 3, 64, 38, },
+ { 0, 1, 0, 3, 100, 60, },
+ { 2, 1, 0, 3, 100, 38, },
{ 1, 1, 0, 3, 100, 70, },
{ 3, 1, 0, 3, 100, 60, },
{ 4, 1, 0, 3, 100, 64, },
@@ -13106,6 +27163,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 100, 60, },
{ 7, 1, 0, 3, 100, 30, },
{ 8, 1, 0, 3, 100, 60, },
+ { 9, 1, 0, 3, 100, 127, },
+ { 0, 1, 0, 3, 104, 68, },
+ { 2, 1, 0, 3, 104, 38, },
{ 1, 1, 0, 3, 104, 70, },
{ 3, 1, 0, 3, 104, 68, },
{ 4, 1, 0, 3, 104, 64, },
@@ -13113,6 +27173,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 104, 68, },
{ 7, 1, 0, 3, 104, 30, },
{ 8, 1, 0, 3, 104, 68, },
+ { 9, 1, 0, 3, 104, 127, },
+ { 0, 1, 0, 3, 108, 68, },
+ { 2, 1, 0, 3, 108, 38, },
{ 1, 1, 0, 3, 108, 70, },
{ 3, 1, 0, 3, 108, 68, },
{ 4, 1, 0, 3, 108, 64, },
@@ -13120,6 +27183,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 108, 68, },
{ 7, 1, 0, 3, 108, 30, },
{ 8, 1, 0, 3, 108, 68, },
+ { 9, 1, 0, 3, 108, 127, },
+ { 0, 1, 0, 3, 112, 68, },
+ { 2, 1, 0, 3, 112, 38, },
{ 1, 1, 0, 3, 112, 70, },
{ 3, 1, 0, 3, 112, 68, },
{ 4, 1, 0, 3, 112, 64, },
@@ -13127,6 +27193,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 112, 68, },
{ 7, 1, 0, 3, 112, 30, },
{ 8, 1, 0, 3, 112, 68, },
+ { 9, 1, 0, 3, 112, 127, },
+ { 0, 1, 0, 3, 116, 68, },
+ { 2, 1, 0, 3, 116, 38, },
{ 1, 1, 0, 3, 116, 70, },
{ 3, 1, 0, 3, 116, 68, },
{ 4, 1, 0, 3, 116, 64, },
@@ -13134,6 +27203,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 116, 68, },
{ 7, 1, 0, 3, 116, 30, },
{ 8, 1, 0, 3, 116, 68, },
+ { 9, 1, 0, 3, 116, 127, },
+ { 0, 1, 0, 3, 120, 68, },
+ { 2, 1, 0, 3, 120, 38, },
{ 1, 1, 0, 3, 120, 70, },
{ 3, 1, 0, 3, 120, 127, },
{ 4, 1, 0, 3, 120, 64, },
@@ -13141,6 +27213,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 120, 68, },
{ 7, 1, 0, 3, 120, 30, },
{ 8, 1, 0, 3, 120, 68, },
+ { 9, 1, 0, 3, 120, 127, },
+ { 0, 1, 0, 3, 124, 68, },
+ { 2, 1, 0, 3, 124, 38, },
{ 1, 1, 0, 3, 124, 70, },
{ 3, 1, 0, 3, 124, 127, },
{ 4, 1, 0, 3, 124, 64, },
@@ -13148,6 +27223,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 124, 68, },
{ 7, 1, 0, 3, 124, 30, },
{ 8, 1, 0, 3, 124, 68, },
+ { 9, 1, 0, 3, 124, 127, },
+ { 0, 1, 0, 3, 128, 68, },
+ { 2, 1, 0, 3, 128, 38, },
{ 1, 1, 0, 3, 128, 70, },
{ 3, 1, 0, 3, 128, 127, },
{ 4, 1, 0, 3, 128, 64, },
@@ -13155,6 +27233,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 128, 68, },
{ 7, 1, 0, 3, 128, 30, },
{ 8, 1, 0, 3, 128, 68, },
+ { 9, 1, 0, 3, 128, 127, },
+ { 0, 1, 0, 3, 132, 68, },
+ { 2, 1, 0, 3, 132, 38, },
{ 1, 1, 0, 3, 132, 70, },
{ 3, 1, 0, 3, 132, 68, },
{ 4, 1, 0, 3, 132, 64, },
@@ -13162,20 +27243,29 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 132, 68, },
{ 7, 1, 0, 3, 132, 30, },
{ 8, 1, 0, 3, 132, 68, },
+ { 9, 1, 0, 3, 132, 127, },
+ { 0, 1, 0, 3, 136, 68, },
+ { 2, 1, 0, 3, 136, 38, },
{ 1, 1, 0, 3, 136, 70, },
{ 3, 1, 0, 3, 136, 68, },
{ 4, 1, 0, 3, 136, 64, },
{ 5, 1, 0, 3, 136, 38, },
{ 6, 1, 0, 3, 136, 68, },
- { 7, 1, 0, 3, 136, 127, },
+ { 7, 1, 0, 3, 136, 30, },
{ 8, 1, 0, 3, 136, 68, },
+ { 9, 1, 0, 3, 136, 127, },
+ { 0, 1, 0, 3, 140, 60, },
+ { 2, 1, 0, 3, 140, 38, },
{ 1, 1, 0, 3, 140, 70, },
{ 3, 1, 0, 3, 140, 60, },
{ 4, 1, 0, 3, 140, 64, },
{ 5, 1, 0, 3, 140, 38, },
{ 6, 1, 0, 3, 140, 60, },
- { 7, 1, 0, 3, 140, 127, },
+ { 7, 1, 0, 3, 140, 30, },
{ 8, 1, 0, 3, 140, 60, },
+ { 9, 1, 0, 3, 140, 127, },
+ { 0, 1, 0, 3, 144, 68, },
+ { 2, 1, 0, 3, 144, 127, },
{ 1, 1, 0, 3, 144, 127, },
{ 3, 1, 0, 3, 144, 68, },
{ 4, 1, 0, 3, 144, 64, },
@@ -13183,6 +27273,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 144, 68, },
{ 7, 1, 0, 3, 144, 127, },
{ 8, 1, 0, 3, 144, 68, },
+ { 9, 1, 0, 3, 144, 127, },
+ { 0, 1, 0, 3, 149, 76, },
+ { 2, 1, 0, 3, 149, -128, },
{ 1, 1, 0, 3, 149, 127, },
{ 3, 1, 0, 3, 149, 76, },
{ 4, 1, 0, 3, 149, 60, },
@@ -13190,6 +27283,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 149, 76, },
{ 7, 1, 0, 3, 149, 30, },
{ 8, 1, 0, 3, 149, 72, },
+ { 9, 1, 0, 3, 149, -128, },
+ { 0, 1, 0, 3, 153, 76, },
+ { 2, 1, 0, 3, 153, -128, },
{ 1, 1, 0, 3, 153, 127, },
{ 3, 1, 0, 3, 153, 76, },
{ 4, 1, 0, 3, 153, 60, },
@@ -13197,6 +27293,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 153, 76, },
{ 7, 1, 0, 3, 153, 30, },
{ 8, 1, 0, 3, 153, 76, },
+ { 9, 1, 0, 3, 153, -128, },
+ { 0, 1, 0, 3, 157, 76, },
+ { 2, 1, 0, 3, 157, -128, },
{ 1, 1, 0, 3, 157, 127, },
{ 3, 1, 0, 3, 157, 76, },
{ 4, 1, 0, 3, 157, 60, },
@@ -13204,6 +27303,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 157, 76, },
{ 7, 1, 0, 3, 157, 30, },
{ 8, 1, 0, 3, 157, 76, },
+ { 9, 1, 0, 3, 157, -128, },
+ { 0, 1, 0, 3, 161, 76, },
+ { 2, 1, 0, 3, 161, -128, },
{ 1, 1, 0, 3, 161, 127, },
{ 3, 1, 0, 3, 161, 76, },
{ 4, 1, 0, 3, 161, 60, },
@@ -13211,6 +27313,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 161, 76, },
{ 7, 1, 0, 3, 161, 30, },
{ 8, 1, 0, 3, 161, 76, },
+ { 9, 1, 0, 3, 161, -128, },
+ { 0, 1, 0, 3, 165, 76, },
+ { 2, 1, 0, 3, 165, -128, },
{ 1, 1, 0, 3, 165, 127, },
{ 3, 1, 0, 3, 165, 76, },
{ 4, 1, 0, 3, 165, 60, },
@@ -13218,6 +27323,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 0, 3, 165, 76, },
{ 7, 1, 0, 3, 165, 30, },
{ 8, 1, 0, 3, 165, 76, },
+ { 9, 1, 0, 3, 165, -128, },
+ { 0, 1, 1, 2, 38, 66, },
+ { 2, 1, 1, 2, 38, 64, },
{ 1, 1, 1, 2, 38, 62, },
{ 3, 1, 1, 2, 38, 64, },
{ 4, 1, 1, 2, 38, 72, },
@@ -13225,13 +27333,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 38, 64, },
{ 7, 1, 1, 2, 38, 54, },
{ 8, 1, 1, 2, 38, 62, },
+ { 9, 1, 1, 2, 38, 64, },
+ { 0, 1, 1, 2, 46, 72, },
+ { 2, 1, 1, 2, 46, 64, },
{ 1, 1, 1, 2, 46, 62, },
{ 3, 1, 1, 2, 46, 64, },
- { 4, 1, 1, 2, 46, 72, },
+ { 4, 1, 1, 2, 46, 60, },
{ 5, 1, 1, 2, 46, 64, },
{ 6, 1, 1, 2, 46, 64, },
{ 7, 1, 1, 2, 46, 54, },
{ 8, 1, 1, 2, 46, 62, },
+ { 9, 1, 1, 2, 46, 64, },
+ { 0, 1, 1, 2, 54, 72, },
+ { 2, 1, 1, 2, 54, 64, },
{ 1, 1, 1, 2, 54, 62, },
{ 3, 1, 1, 2, 54, 64, },
{ 4, 1, 1, 2, 54, 72, },
@@ -13239,6 +27353,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 54, 72, },
{ 7, 1, 1, 2, 54, 54, },
{ 8, 1, 1, 2, 54, 72, },
+ { 9, 1, 1, 2, 54, 64, },
+ { 0, 1, 1, 2, 62, 64, },
+ { 2, 1, 1, 2, 62, 64, },
{ 1, 1, 1, 2, 62, 62, },
{ 3, 1, 1, 2, 62, 64, },
{ 4, 1, 1, 2, 62, 70, },
@@ -13246,6 +27363,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 62, 64, },
{ 7, 1, 1, 2, 62, 54, },
{ 8, 1, 1, 2, 62, 64, },
+ { 9, 1, 1, 2, 62, 64, },
+ { 0, 1, 1, 2, 102, 58, },
+ { 2, 1, 1, 2, 102, 64, },
{ 1, 1, 1, 2, 102, 72, },
{ 3, 1, 1, 2, 102, 58, },
{ 4, 1, 1, 2, 102, 72, },
@@ -13253,6 +27373,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 102, 58, },
{ 7, 1, 1, 2, 102, 54, },
{ 8, 1, 1, 2, 102, 58, },
+ { 9, 1, 1, 2, 102, 127, },
+ { 0, 1, 1, 2, 110, 72, },
+ { 2, 1, 1, 2, 110, 64, },
{ 1, 1, 1, 2, 110, 72, },
{ 3, 1, 1, 2, 110, 72, },
{ 4, 1, 1, 2, 110, 72, },
@@ -13260,6 +27383,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 110, 72, },
{ 7, 1, 1, 2, 110, 54, },
{ 8, 1, 1, 2, 110, 72, },
+ { 9, 1, 1, 2, 110, 127, },
+ { 0, 1, 1, 2, 118, 72, },
+ { 2, 1, 1, 2, 118, 64, },
{ 1, 1, 1, 2, 118, 72, },
{ 3, 1, 1, 2, 118, 127, },
{ 4, 1, 1, 2, 118, 72, },
@@ -13267,6 +27393,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 118, 72, },
{ 7, 1, 1, 2, 118, 54, },
{ 8, 1, 1, 2, 118, 72, },
+ { 9, 1, 1, 2, 118, 127, },
+ { 0, 1, 1, 2, 126, 72, },
+ { 2, 1, 1, 2, 126, 64, },
{ 1, 1, 1, 2, 126, 72, },
{ 3, 1, 1, 2, 126, 127, },
{ 4, 1, 1, 2, 126, 72, },
@@ -13274,13 +27403,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 126, 72, },
{ 7, 1, 1, 2, 126, 54, },
{ 8, 1, 1, 2, 126, 72, },
+ { 9, 1, 1, 2, 126, 127, },
+ { 0, 1, 1, 2, 134, 72, },
+ { 2, 1, 1, 2, 134, 64, },
{ 1, 1, 1, 2, 134, 72, },
{ 3, 1, 1, 2, 134, 72, },
{ 4, 1, 1, 2, 134, 72, },
{ 5, 1, 1, 2, 134, 64, },
{ 6, 1, 1, 2, 134, 72, },
- { 7, 1, 1, 2, 134, 127, },
+ { 7, 1, 1, 2, 134, 54, },
{ 8, 1, 1, 2, 134, 72, },
+ { 9, 1, 1, 2, 134, 127, },
+ { 0, 1, 1, 2, 142, 72, },
+ { 2, 1, 1, 2, 142, 127, },
{ 1, 1, 1, 2, 142, 127, },
{ 3, 1, 1, 2, 142, 72, },
{ 4, 1, 1, 2, 142, 72, },
@@ -13288,6 +27423,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 142, 72, },
{ 7, 1, 1, 2, 142, 127, },
{ 8, 1, 1, 2, 142, 72, },
+ { 9, 1, 1, 2, 142, 127, },
+ { 0, 1, 1, 2, 151, 72, },
+ { 2, 1, 1, 2, 151, -128, },
{ 1, 1, 1, 2, 151, 127, },
{ 3, 1, 1, 2, 151, 72, },
{ 4, 1, 1, 2, 151, 72, },
@@ -13295,6 +27433,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 151, 72, },
{ 7, 1, 1, 2, 151, 54, },
{ 8, 1, 1, 2, 151, 72, },
+ { 9, 1, 1, 2, 151, -128, },
+ { 0, 1, 1, 2, 159, 72, },
+ { 2, 1, 1, 2, 159, -128, },
{ 1, 1, 1, 2, 159, 127, },
{ 3, 1, 1, 2, 159, 72, },
{ 4, 1, 1, 2, 159, 72, },
@@ -13302,6 +27443,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 2, 159, 72, },
{ 7, 1, 1, 2, 159, 54, },
{ 8, 1, 1, 2, 159, 72, },
+ { 9, 1, 1, 2, 159, -128, },
+ { 0, 1, 1, 3, 38, 60, },
+ { 2, 1, 1, 3, 38, 40, },
{ 1, 1, 1, 3, 38, 50, },
{ 3, 1, 1, 3, 38, 40, },
{ 4, 1, 1, 3, 38, 62, },
@@ -13309,13 +27453,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 38, 52, },
{ 7, 1, 1, 3, 38, 30, },
{ 8, 1, 1, 3, 38, 50, },
+ { 9, 1, 1, 3, 38, 40, },
+ { 0, 1, 1, 3, 46, 68, },
+ { 2, 1, 1, 3, 46, 40, },
{ 1, 1, 1, 3, 46, 50, },
{ 3, 1, 1, 3, 46, 40, },
- { 4, 1, 1, 3, 46, 62, },
+ { 4, 1, 1, 3, 46, 46, },
{ 5, 1, 1, 3, 46, 40, },
{ 6, 1, 1, 3, 46, 52, },
{ 7, 1, 1, 3, 46, 30, },
{ 8, 1, 1, 3, 46, 50, },
+ { 9, 1, 1, 3, 46, 40, },
+ { 0, 1, 1, 3, 54, 68, },
+ { 2, 1, 1, 3, 54, 40, },
{ 1, 1, 1, 3, 54, 50, },
{ 3, 1, 1, 3, 54, 40, },
{ 4, 1, 1, 3, 54, 62, },
@@ -13323,6 +27473,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 54, 68, },
{ 7, 1, 1, 3, 54, 30, },
{ 8, 1, 1, 3, 54, 68, },
+ { 9, 1, 1, 3, 54, 40, },
+ { 0, 1, 1, 3, 62, 58, },
+ { 2, 1, 1, 3, 62, 40, },
{ 1, 1, 1, 3, 62, 48, },
{ 3, 1, 1, 3, 62, 40, },
{ 4, 1, 1, 3, 62, 58, },
@@ -13330,6 +27483,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 62, 58, },
{ 7, 1, 1, 3, 62, 30, },
{ 8, 1, 1, 3, 62, 58, },
+ { 9, 1, 1, 3, 62, 40, },
+ { 0, 1, 1, 3, 102, 54, },
+ { 2, 1, 1, 3, 102, 40, },
{ 1, 1, 1, 3, 102, 70, },
{ 3, 1, 1, 3, 102, 54, },
{ 4, 1, 1, 3, 102, 64, },
@@ -13337,6 +27493,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 102, 54, },
{ 7, 1, 1, 3, 102, 30, },
{ 8, 1, 1, 3, 102, 54, },
+ { 9, 1, 1, 3, 102, 127, },
+ { 0, 1, 1, 3, 110, 68, },
+ { 2, 1, 1, 3, 110, 40, },
{ 1, 1, 1, 3, 110, 70, },
{ 3, 1, 1, 3, 110, 68, },
{ 4, 1, 1, 3, 110, 64, },
@@ -13344,6 +27503,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 110, 68, },
{ 7, 1, 1, 3, 110, 30, },
{ 8, 1, 1, 3, 110, 68, },
+ { 9, 1, 1, 3, 110, 127, },
+ { 0, 1, 1, 3, 118, 68, },
+ { 2, 1, 1, 3, 118, 40, },
{ 1, 1, 1, 3, 118, 70, },
{ 3, 1, 1, 3, 118, 127, },
{ 4, 1, 1, 3, 118, 64, },
@@ -13351,6 +27513,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 118, 68, },
{ 7, 1, 1, 3, 118, 30, },
{ 8, 1, 1, 3, 118, 68, },
+ { 9, 1, 1, 3, 118, 127, },
+ { 0, 1, 1, 3, 126, 68, },
+ { 2, 1, 1, 3, 126, 40, },
{ 1, 1, 1, 3, 126, 70, },
{ 3, 1, 1, 3, 126, 127, },
{ 4, 1, 1, 3, 126, 64, },
@@ -13358,13 +27523,19 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 126, 68, },
{ 7, 1, 1, 3, 126, 30, },
{ 8, 1, 1, 3, 126, 68, },
+ { 9, 1, 1, 3, 126, 127, },
+ { 0, 1, 1, 3, 134, 68, },
+ { 2, 1, 1, 3, 134, 40, },
{ 1, 1, 1, 3, 134, 70, },
{ 3, 1, 1, 3, 134, 68, },
{ 4, 1, 1, 3, 134, 64, },
{ 5, 1, 1, 3, 134, 40, },
{ 6, 1, 1, 3, 134, 68, },
- { 7, 1, 1, 3, 134, 127, },
+ { 7, 1, 1, 3, 134, 30, },
{ 8, 1, 1, 3, 134, 68, },
+ { 9, 1, 1, 3, 134, 127, },
+ { 0, 1, 1, 3, 142, 68, },
+ { 2, 1, 1, 3, 142, 127, },
{ 1, 1, 1, 3, 142, 127, },
{ 3, 1, 1, 3, 142, 68, },
{ 4, 1, 1, 3, 142, 64, },
@@ -13372,6 +27543,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 142, 68, },
{ 7, 1, 1, 3, 142, 127, },
{ 8, 1, 1, 3, 142, 68, },
+ { 9, 1, 1, 3, 142, 127, },
+ { 0, 1, 1, 3, 151, 72, },
+ { 2, 1, 1, 3, 151, -128, },
{ 1, 1, 1, 3, 151, 127, },
{ 3, 1, 1, 3, 151, 72, },
{ 4, 1, 1, 3, 151, 66, },
@@ -13379,6 +27553,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 151, 72, },
{ 7, 1, 1, 3, 151, 30, },
{ 8, 1, 1, 3, 151, 68, },
+ { 9, 1, 1, 3, 151, -128, },
+ { 0, 1, 1, 3, 159, 72, },
+ { 2, 1, 1, 3, 159, -128, },
{ 1, 1, 1, 3, 159, 127, },
{ 3, 1, 1, 3, 159, 72, },
{ 4, 1, 1, 3, 159, 66, },
@@ -13386,6 +27563,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 1, 3, 159, 72, },
{ 7, 1, 1, 3, 159, 30, },
{ 8, 1, 1, 3, 159, 72, },
+ { 9, 1, 1, 3, 159, -128, },
+ { 0, 1, 2, 4, 42, 64, },
+ { 2, 1, 2, 4, 42, 64, },
{ 1, 1, 2, 4, 42, 64, },
{ 3, 1, 2, 4, 42, 64, },
{ 4, 1, 2, 4, 42, 68, },
@@ -13393,6 +27573,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 42, 64, },
{ 7, 1, 2, 4, 42, 54, },
{ 8, 1, 2, 4, 42, 62, },
+ { 9, 1, 2, 4, 42, 64, },
+ { 0, 1, 2, 4, 58, 62, },
+ { 2, 1, 2, 4, 58, 64, },
{ 1, 1, 2, 4, 58, 64, },
{ 3, 1, 2, 4, 58, 62, },
{ 4, 1, 2, 4, 58, 64, },
@@ -13400,6 +27583,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 58, 62, },
{ 7, 1, 2, 4, 58, 54, },
{ 8, 1, 2, 4, 58, 62, },
+ { 9, 1, 2, 4, 58, 64, },
+ { 0, 1, 2, 4, 106, 58, },
+ { 2, 1, 2, 4, 106, 64, },
{ 1, 1, 2, 4, 106, 72, },
{ 3, 1, 2, 4, 106, 58, },
{ 4, 1, 2, 4, 106, 66, },
@@ -13407,6 +27593,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 106, 58, },
{ 7, 1, 2, 4, 106, 54, },
{ 8, 1, 2, 4, 106, 58, },
+ { 9, 1, 2, 4, 106, 127, },
+ { 0, 1, 2, 4, 122, 72, },
+ { 2, 1, 2, 4, 122, 64, },
{ 1, 1, 2, 4, 122, 72, },
{ 3, 1, 2, 4, 122, 127, },
{ 4, 1, 2, 4, 122, 68, },
@@ -13414,6 +27603,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 122, 72, },
{ 7, 1, 2, 4, 122, 54, },
{ 8, 1, 2, 4, 122, 72, },
+ { 9, 1, 2, 4, 122, 127, },
+ { 0, 1, 2, 4, 138, 72, },
+ { 2, 1, 2, 4, 138, 127, },
{ 1, 1, 2, 4, 138, 127, },
{ 3, 1, 2, 4, 138, 72, },
{ 4, 1, 2, 4, 138, 68, },
@@ -13421,6 +27613,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 138, 72, },
{ 7, 1, 2, 4, 138, 127, },
{ 8, 1, 2, 4, 138, 72, },
+ { 9, 1, 2, 4, 138, 127, },
+ { 0, 1, 2, 4, 155, 72, },
+ { 2, 1, 2, 4, 155, -128, },
{ 1, 1, 2, 4, 155, 127, },
{ 3, 1, 2, 4, 155, 72, },
{ 4, 1, 2, 4, 155, 68, },
@@ -13428,6 +27623,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 4, 155, 72, },
{ 7, 1, 2, 4, 155, 54, },
{ 8, 1, 2, 4, 155, 68, },
+ { 9, 1, 2, 4, 155, -128, },
+ { 0, 1, 2, 5, 42, 54, },
+ { 2, 1, 2, 5, 42, 40, },
{ 1, 1, 2, 5, 42, 50, },
{ 3, 1, 2, 5, 42, 40, },
{ 4, 1, 2, 5, 42, 58, },
@@ -13435,6 +27633,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 42, 52, },
{ 7, 1, 2, 5, 42, 30, },
{ 8, 1, 2, 5, 42, 50, },
+ { 9, 1, 2, 5, 42, 40, },
+ { 0, 1, 2, 5, 58, 52, },
+ { 2, 1, 2, 5, 58, 40, },
{ 1, 1, 2, 5, 58, 50, },
{ 3, 1, 2, 5, 58, 40, },
{ 4, 1, 2, 5, 58, 56, },
@@ -13442,6 +27643,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 58, 52, },
{ 7, 1, 2, 5, 58, 30, },
{ 8, 1, 2, 5, 58, 52, },
+ { 9, 1, 2, 5, 58, 40, },
+ { 0, 1, 2, 5, 106, 50, },
+ { 2, 1, 2, 5, 106, 40, },
{ 1, 1, 2, 5, 106, 72, },
{ 3, 1, 2, 5, 106, 50, },
{ 4, 1, 2, 5, 106, 56, },
@@ -13449,6 +27653,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 106, 50, },
{ 7, 1, 2, 5, 106, 30, },
{ 8, 1, 2, 5, 106, 50, },
+ { 9, 1, 2, 5, 106, 127, },
+ { 0, 1, 2, 5, 122, 66, },
+ { 2, 1, 2, 5, 122, 40, },
{ 1, 1, 2, 5, 122, 72, },
{ 3, 1, 2, 5, 122, 127, },
{ 4, 1, 2, 5, 122, 56, },
@@ -13456,6 +27663,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 122, 66, },
{ 7, 1, 2, 5, 122, 30, },
{ 8, 1, 2, 5, 122, 66, },
+ { 9, 1, 2, 5, 122, 127, },
+ { 0, 1, 2, 5, 138, 66, },
+ { 2, 1, 2, 5, 138, 127, },
{ 1, 1, 2, 5, 138, 127, },
{ 3, 1, 2, 5, 138, 66, },
{ 4, 1, 2, 5, 138, 58, },
@@ -13463,6 +27673,9 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 138, 66, },
{ 7, 1, 2, 5, 138, 127, },
{ 8, 1, 2, 5, 138, 66, },
+ { 9, 1, 2, 5, 138, 127, },
+ { 0, 1, 2, 5, 155, 62, },
+ { 2, 1, 2, 5, 155, -128, },
{ 1, 1, 2, 5, 155, 127, },
{ 3, 1, 2, 5, 155, 62, },
{ 4, 1, 2, 5, 155, 58, },
@@ -13470,9 +27683,10 @@ static const struct rtw_txpwr_lmt_cfg_pair rtw8822c_txpwr_lmt_type0[] = {
{ 6, 1, 2, 5, 155, 62, },
{ 7, 1, 2, 5, 155, 30, },
{ 8, 1, 2, 5, 155, 62, },
+ { 9, 1, 2, 5, 155, -128, },
};
-RTW_DECL_TABLE_TXPWR_LMT(rtw8822c_txpwr_lmt_type0);
+RTW_DECL_TABLE_TXPWR_LMT(rtw8822c_txpwr_lmt_type5);
static const u32 rtw8822c_dpk_afe_no_dpk[] = {
0x18a4, BIT(7), 0,
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c_table.h b/drivers/net/wireless/realtek/rtw88/rtw8822c_table.h
index 80c06c4f8184..2ae2b0aa5699 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8822c_table.h
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822c_table.h
@@ -12,6 +12,7 @@ extern const struct rtw_table rtw8822c_bb_pg_type0_tbl;
extern const struct rtw_table rtw8822c_rf_a_tbl;
extern const struct rtw_table rtw8822c_rf_b_tbl;
extern const struct rtw_table rtw8822c_txpwr_lmt_type0_tbl;
+extern const struct rtw_table rtw8822c_txpwr_lmt_type5_tbl;
extern const struct rtw_table rtw8822c_dpk_afe_no_dpk_tbl;
extern const struct rtw_table rtw8822c_dpk_afe_is_dpk_tbl;
extern const struct rtw_table rtw8822c_dpk_mac_bb_tbl;
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822ce.c b/drivers/net/wireless/realtek/rtw88/rtw8822ce.c
new file mode 100644
index 000000000000..7b6bd990651e
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822ce.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include "rtw8822ce.h"
+
+static const struct pci_device_id rtw_8822ce_id_table[] = {
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0xC822),
+ .driver_data = (kernel_ulong_t)&rtw8822c_hw_spec
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(pci, rtw_8822ce_id_table);
+
+static struct pci_driver rtw_8822ce_driver = {
+ .name = "rtw_8822ce",
+ .id_table = rtw_8822ce_id_table,
+ .probe = rtw_pci_probe,
+ .remove = rtw_pci_remove,
+ .driver.pm = &rtw_pm_ops,
+ .shutdown = rtw_pci_shutdown,
+};
+module_pci_driver(rtw_8822ce_driver);
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek 802.11ac wireless 8822ce driver");
+MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822ce.h b/drivers/net/wireless/realtek/rtw88/rtw8822ce.h
new file mode 100644
index 000000000000..c2c0e8675d74
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/rtw8822ce.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#ifndef __RTW_8822CE_H_
+#define __RTW_8822CE_H_
+
+extern const struct dev_pm_ops rtw_pm_ops;
+extern struct rtw_chip_info rtw8822c_hw_spec;
+int rtw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+void rtw_pci_remove(struct pci_dev *pdev);
+void rtw_pci_shutdown(struct pci_dev *pdev);
+
+#endif
diff --git a/drivers/net/wireless/realtek/rtw88/rx.c b/drivers/net/wireless/realtek/rtw88/rx.c
index 9b90339ab697..7087e385a9b3 100644
--- a/drivers/net/wireless/realtek/rtw88/rx.c
+++ b/drivers/net/wireless/realtek/rtw88/rx.c
@@ -191,3 +191,4 @@ void rtw_rx_fill_rx_status(struct rtw_dev *rtwdev,
rtw_rx_addr_match(rtwdev, pkt_stat, hdr);
}
+EXPORT_SYMBOL(rtw_rx_fill_rx_status);
diff --git a/drivers/net/wireless/realtek/rtw88/sec.c b/drivers/net/wireless/realtek/rtw88/sec.c
index d0d7fbb10d58..ce46e5b4a60a 100644
--- a/drivers/net/wireless/realtek/rtw88/sec.c
+++ b/drivers/net/wireless/realtek/rtw88/sec.c
@@ -44,7 +44,7 @@ void rtw_sec_write_cam(struct rtw_dev *rtwdev,
write_cmd = RTW_SEC_CMD_WRITE_ENABLE | RTW_SEC_CMD_POLLING;
addr = hw_key_idx << RTW_SEC_CAM_ENTRY_SHIFT;
- for (i = 5; i >= 0; i--) {
+ for (i = 7; i >= 0; i--) {
switch (i) {
case 0:
content = ((key->keyidx & 0x3)) |
@@ -60,6 +60,10 @@ void rtw_sec_write_cam(struct rtw_dev *rtwdev,
(cam->addr[4] << 16) |
(cam->addr[5] << 24);
break;
+ case 6:
+ case 7:
+ content = 0;
+ break;
default:
j = (i - 2) << 2;
content = (key->key[j]) |
diff --git a/drivers/net/wireless/realtek/rtw88/tx.c b/drivers/net/wireless/realtek/rtw88/tx.c
index 60989987f67b..79c42118825f 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.c
+++ b/drivers/net/wireless/realtek/rtw88/tx.c
@@ -196,7 +196,7 @@ static void rtw_tx_report_tx_status(struct rtw_dev *rtwdev,
ieee80211_tx_status_irqsafe(rtwdev->hw, skb);
}
-void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
+void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src)
{
struct rtw_tx_report *tx_report = &rtwdev->tx_report;
struct rtw_c2h_cmd *c2h;
@@ -207,8 +207,13 @@ void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
c2h = get_c2h_from_skb(skb);
- sn = GET_CCX_REPORT_SEQNUM(c2h->payload);
- st = GET_CCX_REPORT_STATUS(c2h->payload);
+ if (src == C2H_CCX_TX_RPT) {
+ sn = GET_CCX_REPORT_SEQNUM_V0(c2h->payload);
+ st = GET_CCX_REPORT_STATUS_V0(c2h->payload);
+ } else {
+ sn = GET_CCX_REPORT_SEQNUM_V1(c2h->payload);
+ st = GET_CCX_REPORT_STATUS_V1(c2h->payload);
+ }
spin_lock_irqsave(&tx_report->q_lock, flags);
skb_queue_walk_safe(&tx_report->queue, cur, tmp) {
diff --git a/drivers/net/wireless/realtek/rtw88/tx.h b/drivers/net/wireless/realtek/rtw88/tx.h
index b973de0f4dc0..72dfd4059f03 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.h
+++ b/drivers/net/wireless/realtek/rtw88/tx.h
@@ -95,7 +95,7 @@ void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
struct sk_buff *skb);
void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb);
void rtw_tx_report_enqueue(struct rtw_dev *rtwdev, struct sk_buff *skb, u8 sn);
-void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb);
+void rtw_tx_report_handle(struct rtw_dev *rtwdev, struct sk_buff *skb, int src);
void rtw_rsvd_page_pkt_info_update(struct rtw_dev *rtwdev,
struct rtw_tx_pkt_info *pkt_info,
struct sk_buff *skb);
diff --git a/drivers/net/wireless/realtek/rtw88/util.c b/drivers/net/wireless/realtek/rtw88/util.c
index 10f1117c0cfb..2c515af214e7 100644
--- a/drivers/net/wireless/realtek/rtw88/util.c
+++ b/drivers/net/wireless/realtek/rtw88/util.c
@@ -19,25 +19,32 @@ bool check_hw_ready(struct rtw_dev *rtwdev, u32 addr, u32 mask, u32 target)
return false;
}
+EXPORT_SYMBOL(check_hw_ready);
bool ltecoex_read_reg(struct rtw_dev *rtwdev, u16 offset, u32 *val)
{
- if (!check_hw_ready(rtwdev, LTECOEX_ACCESS_CTRL, LTECOEX_READY, 1))
+ struct rtw_chip_info *chip = rtwdev->chip;
+ const struct rtw_ltecoex_addr *ltecoex = chip->ltecoex_addr;
+
+ if (!check_hw_ready(rtwdev, ltecoex->ctrl, LTECOEX_READY, 1))
return false;
- rtw_write32(rtwdev, LTECOEX_ACCESS_CTRL, 0x800F0000 | offset);
- *val = rtw_read32(rtwdev, LTECOEX_READ_DATA);
+ rtw_write32(rtwdev, ltecoex->ctrl, 0x800F0000 | offset);
+ *val = rtw_read32(rtwdev, ltecoex->rdata);
return true;
}
bool ltecoex_reg_write(struct rtw_dev *rtwdev, u16 offset, u32 value)
{
- if (!check_hw_ready(rtwdev, LTECOEX_ACCESS_CTRL, LTECOEX_READY, 1))
+ struct rtw_chip_info *chip = rtwdev->chip;
+ const struct rtw_ltecoex_addr *ltecoex = chip->ltecoex_addr;
+
+ if (!check_hw_ready(rtwdev, ltecoex->ctrl, LTECOEX_READY, 1))
return false;
- rtw_write32(rtwdev, LTECOEX_WRITE_DATA, value);
- rtw_write32(rtwdev, LTECOEX_ACCESS_CTRL, 0xC00F0000 | offset);
+ rtw_write32(rtwdev, ltecoex->wdata, value);
+ rtw_write32(rtwdev, ltecoex->ctrl, 0xC00F0000 | offset);
return true;
}
@@ -70,6 +77,7 @@ void rtw_restore_reg(struct rtw_dev *rtwdev,
}
}
}
+EXPORT_SYMBOL(rtw_restore_reg);
void rtw_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss)
{
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index c8f8fe5497a8..8852a1832951 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -201,7 +201,7 @@ struct ndis_80211_pmkid_candidate {
struct ndis_80211_pmkid_cand_list {
__le32 version;
__le32 num_candidates;
- struct ndis_80211_pmkid_candidate candidate_list[0];
+ struct ndis_80211_pmkid_candidate candidate_list[];
} __packed;
struct ndis_80211_status_indication {
@@ -246,12 +246,12 @@ struct ndis_80211_bssid_ex {
__le32 net_infra;
u8 rates[NDIS_802_11_LENGTH_RATES_EX];
__le32 ie_length;
- u8 ies[0];
+ u8 ies[];
} __packed;
struct ndis_80211_bssid_list_ex {
__le32 num_items;
- struct ndis_80211_bssid_ex bssid[0];
+ struct ndis_80211_bssid_ex bssid[];
} __packed;
struct ndis_80211_fixed_ies {
@@ -312,17 +312,11 @@ struct ndis_80211_assoc_info {
__le32 offset_resp_ies;
} __packed;
-struct ndis_80211_auth_encr_pair {
- __le32 auth_mode;
- __le32 encr_mode;
-} __packed;
-
struct ndis_80211_capability {
__le32 length;
__le32 version;
__le32 num_pmkids;
__le32 num_auth_encr_pair;
- struct ndis_80211_auth_encr_pair auth_encr_pair[0];
} __packed;
struct ndis_80211_bssid_info {
@@ -333,7 +327,7 @@ struct ndis_80211_bssid_info {
struct ndis_80211_pmkid {
__le32 length;
__le32 bssid_info_count;
- struct ndis_80211_bssid_info bssid_info[0];
+ struct ndis_80211_bssid_info bssid_info[];
} __packed;
/*
@@ -3109,8 +3103,7 @@ static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
__le32 num_items;
__le32 items[8];
} networks_supported;
- struct ndis_80211_capability *caps;
- u8 caps_buf[sizeof(*caps) + sizeof(caps->auth_encr_pair) * 16];
+ struct ndis_80211_capability caps;
int len, retval, i, n;
struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
@@ -3140,19 +3133,18 @@ static int rndis_wlan_get_caps(struct usbnet *usbdev, struct wiphy *wiphy)
}
/* get device 802.11 capabilities, number of PMKIDs */
- caps = (struct ndis_80211_capability *)caps_buf;
- len = sizeof(caps_buf);
+ len = sizeof(caps);
retval = rndis_query_oid(usbdev,
RNDIS_OID_802_11_CAPABILITY,
- caps, &len);
+ &caps, &len);
if (retval >= 0) {
netdev_dbg(usbdev->net, "RNDIS_OID_802_11_CAPABILITY -> len %d, "
"ver %d, pmkids %d, auth-encr-pairs %d\n",
- le32_to_cpu(caps->length),
- le32_to_cpu(caps->version),
- le32_to_cpu(caps->num_pmkids),
- le32_to_cpu(caps->num_auth_encr_pair));
- wiphy->max_num_pmkids = le32_to_cpu(caps->num_pmkids);
+ le32_to_cpu(caps.length),
+ le32_to_cpu(caps.version),
+ le32_to_cpu(caps.num_pmkids),
+ le32_to_cpu(caps.num_auth_encr_pair));
+ wiphy->max_num_pmkids = le32_to_cpu(caps.num_pmkids);
} else
wiphy->max_num_pmkids = 0;
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 440088293aff..5c0adb0efc5d 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -832,7 +832,7 @@ static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw,
common->cqm_info.last_cqm_event_rssi = 0;
common->cqm_info.rssi_thold = bss_conf->cqm_rssi_thold;
common->cqm_info.rssi_hyst = bss_conf->cqm_rssi_hyst;
- rsi_dbg(INFO_ZONE, "RSSI throld & hysteresis are: %d %d\n",
+ rsi_dbg(INFO_ZONE, "RSSI threshold & hysteresis are: %d %d\n",
common->cqm_info.rssi_thold,
common->cqm_info.rssi_hyst);
}
diff --git a/drivers/net/wireless/st/cw1200/cw1200_sdio.c b/drivers/net/wireless/st/cw1200/cw1200_sdio.c
index 43e012073dbf..b65ec14136c7 100644
--- a/drivers/net/wireless/st/cw1200/cw1200_sdio.c
+++ b/drivers/net/wireless/st/cw1200/cw1200_sdio.c
@@ -14,6 +14,7 @@
#include <linux/mmc/sdio_func.h>
#include <linux/mmc/card.h>
#include <linux/mmc/sdio.h>
+#include <linux/mmc/sdio_ids.h>
#include <net/mac80211.h>
#include "cw1200.h"
@@ -48,14 +49,6 @@ struct hwbus_priv {
const struct cw1200_platform_data_sdio *pdata;
};
-#ifndef SDIO_VENDOR_ID_STE
-#define SDIO_VENDOR_ID_STE 0x0020
-#endif
-
-#ifndef SDIO_DEVICE_ID_STE_CW1200
-#define SDIO_DEVICE_ID_STE_CW1200 0x2280
-#endif
-
static const struct sdio_device_id cw1200_sdio_ids[] = {
{ SDIO_DEVICE(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200) },
{ /* end: all zeroes */ },
diff --git a/drivers/net/wireless/st/cw1200/cw1200_spi.c b/drivers/net/wireless/st/cw1200/cw1200_spi.c
index ef01caac629c..271ed2ce2d7f 100644
--- a/drivers/net/wireless/st/cw1200/cw1200_spi.c
+++ b/drivers/net/wireless/st/cw1200/cw1200_spi.c
@@ -268,15 +268,11 @@ exit:
return ret;
}
-static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
+static void cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
{
- int ret = 0;
-
pr_debug("SW IRQ unsubscribe\n");
disable_irq_wake(self->func->irq);
free_irq(self->func->irq, self);
-
- return ret;
}
static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata)
diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h
index f2609d5b6bf7..9acd8a41ea61 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.h
+++ b/drivers/net/wireless/ti/wlcore/cmd.h
@@ -458,6 +458,7 @@ enum wl1271_cmd_key_type {
KEY_TKIP = 2,
KEY_AES = 3,
KEY_GEM = 4,
+ KEY_IGTK = 5,
};
struct wl1271_cmd_set_keys {
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index f140f7d7f553..de6c8a7589ca 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -548,7 +548,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
ret = wlcore_fw_status(wl, wl->fw_status);
if (ret < 0)
- goto out;
+ goto err_ret;
wlcore_hw_tx_immediate_compl(wl);
@@ -565,7 +565,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
ret = -EIO;
/* restarting the chip. ignore any other interrupt. */
- goto out;
+ goto err_ret;
}
if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) {
@@ -575,7 +575,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
ret = -EIO;
/* restarting the chip. ignore any other interrupt. */
- goto out;
+ goto err_ret;
}
if (likely(intr & WL1271_ACX_INTR_DATA)) {
@@ -583,7 +583,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
ret = wlcore_rx(wl, wl->fw_status);
if (ret < 0)
- goto out;
+ goto err_ret;
/* Check if any tx blocks were freed */
spin_lock_irqsave(&wl->wl_lock, flags);
@@ -596,7 +596,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
*/
ret = wlcore_tx_work_locked(wl);
if (ret < 0)
- goto out;
+ goto err_ret;
} else {
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
@@ -604,7 +604,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
/* check for tx results */
ret = wlcore_hw_tx_delayed_compl(wl);
if (ret < 0)
- goto out;
+ goto err_ret;
/* Make sure the deferred queues don't get too long */
defer_count = skb_queue_len(&wl->deferred_tx_queue) +
@@ -617,14 +617,14 @@ static int wlcore_irq_locked(struct wl1271 *wl)
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_A");
ret = wl1271_event_handle(wl, 0);
if (ret < 0)
- goto out;
+ goto err_ret;
}
if (intr & WL1271_ACX_INTR_EVENT_B) {
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_EVENT_B");
ret = wl1271_event_handle(wl, 1);
if (ret < 0)
- goto out;
+ goto err_ret;
}
if (intr & WL1271_ACX_INTR_INIT_COMPLETE)
@@ -635,6 +635,7 @@ static int wlcore_irq_locked(struct wl1271 *wl)
wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_HW_AVAILABLE");
}
+err_ret:
pm_runtime_mark_last_busy(wl->dev);
pm_runtime_put_autosuspend(wl->dev);
@@ -1746,9 +1747,7 @@ static int __maybe_unused wl1271_op_suspend(struct ieee80211_hw *hw,
ret = wl1271_configure_suspend(wl, wlvif, wow);
if (ret < 0) {
- mutex_unlock(&wl->mutex);
- wl1271_warning("couldn't prepare device to suspend");
- return ret;
+ goto out_sleep;
}
}
@@ -2698,12 +2697,16 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
if (!wlcore_is_p2p_mgmt(wlvif)) {
ret = wl12xx_cmd_role_disable(wl, &wlvif->role_id);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
goto deinit;
+ }
} else {
ret = wl12xx_cmd_role_disable(wl, &wlvif->dev_role_id);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
goto deinit;
+ }
}
pm_runtime_mark_last_busy(wl->dev);
@@ -3547,6 +3550,9 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
case WL1271_CIPHER_SUITE_GEM:
key_type = KEY_GEM;
break;
+ case WLAN_CIPHER_SUITE_AES_CMAC:
+ key_type = KEY_IGTK;
+ break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->cipher);
@@ -3662,8 +3668,10 @@ void wlcore_regdomain_config(struct wl1271 *wl)
goto out;
ret = pm_runtime_get_sync(wl->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(wl->dev);
goto out;
+ }
ret = wlcore_cmd_regdomain_config_locked(wl);
if (ret < 0) {
@@ -6214,6 +6222,7 @@ static int wl1271_init_ieee80211(struct wl1271 *wl)
WLAN_CIPHER_SUITE_TKIP,
WLAN_CIPHER_SUITE_CCMP,
WL1271_CIPHER_SUITE_GEM,
+ WLAN_CIPHER_SUITE_AES_CMAC,
};
/* The tx descriptor buffer */
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index 90e56d4c3df3..e20e18cd04ae 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -863,6 +863,7 @@ void wl1271_tx_work(struct work_struct *work)
ret = wlcore_tx_work_locked(wl);
if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
wl12xx_queue_recovery_work(wl);
goto out;
}
diff --git a/drivers/nfc/s3fwrn5/firmware.c b/drivers/nfc/s3fwrn5/firmware.c
index de613c623a2c..69857f080704 100644
--- a/drivers/nfc/s3fwrn5/firmware.c
+++ b/drivers/nfc/s3fwrn5/firmware.c
@@ -434,15 +434,7 @@ int s3fwrn5_fw_download(struct s3fwrn5_fw_info *fw_info)
goto out;
}
- {
- SHASH_DESC_ON_STACK(desc, tfm);
-
- desc->tfm = tfm;
-
- ret = crypto_shash_digest(desc, fw->image, image_size,
- hash_data);
- shash_desc_zero(desc);
- }
+ ret = crypto_shash_tfm_digest(tfm, fw->image, image_size, hash_data);
crypto_free_shash(tfm);
if (ret) {
diff --git a/drivers/nfc/st21nfca/dep.c b/drivers/nfc/st21nfca/dep.c
index a1d69f9b2d4a..0b9ca6d20ffa 100644
--- a/drivers/nfc/st21nfca/dep.c
+++ b/drivers/nfc/st21nfca/dep.c
@@ -173,8 +173,10 @@ static int st21nfca_tm_send_atr_res(struct nfc_hci_dev *hdev,
memcpy(atr_res->gbi, atr_req->gbi, gb_len);
r = nfc_set_remote_general_bytes(hdev->ndev, atr_res->gbi,
gb_len);
- if (r < 0)
+ if (r < 0) {
+ kfree_skb(skb);
return r;
+ }
}
info->dep_info.curr_nfc_dep_pni = 0;
diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c
index 43751fab9d36..036e23aef9b0 100644
--- a/drivers/nvdimm/blk.c
+++ b/drivers/nvdimm/blk.c
@@ -178,7 +178,9 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio)
bip = bio_integrity(bio);
nsblk = q->queuedata;
rw = bio_data_dir(bio);
- do_acct = nd_iostat_start(bio, &start);
+ do_acct = blk_queue_io_stat(bio->bi_disk->queue);
+ if (do_acct)
+ start = bio_start_io_acct(bio);
bio_for_each_segment(bvec, bio, iter) {
unsigned int len = bvec.bv_len;
@@ -195,7 +197,7 @@ static blk_qc_t nd_blk_make_request(struct request_queue *q, struct bio *bio)
}
}
if (do_acct)
- nd_iostat_end(bio, start);
+ bio_end_io_acct(bio, start);
bio_endio(bio);
return BLK_QC_T_NONE;
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 3b09419218d6..90c0c4bbe77b 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1452,7 +1452,9 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
if (!bio_integrity_prep(bio))
return BLK_QC_T_NONE;
- do_acct = nd_iostat_start(bio, &start);
+ do_acct = blk_queue_io_stat(bio->bi_disk->queue);
+ if (do_acct)
+ start = bio_start_io_acct(bio);
bio_for_each_segment(bvec, bio, iter) {
unsigned int len = bvec.bv_len;
@@ -1477,7 +1479,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
}
}
if (do_acct)
- nd_iostat_end(bio, start);
+ bio_end_io_acct(bio, start);
bio_endio(bio);
return BLK_QC_T_NONE;
diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h
index 85dbb2a322b9..85c1ae813ea3 100644
--- a/drivers/nvdimm/nd.h
+++ b/drivers/nvdimm/nd.h
@@ -396,25 +396,6 @@ static inline int nvdimm_setup_pfn(struct nd_pfn *nd_pfn,
#endif
int nd_blk_region_init(struct nd_region *nd_region);
int nd_region_activate(struct nd_region *nd_region);
-void __nd_iostat_start(struct bio *bio, unsigned long *start);
-static inline bool nd_iostat_start(struct bio *bio, unsigned long *start)
-{
- struct gendisk *disk = bio->bi_disk;
-
- if (!blk_queue_io_stat(disk->queue))
- return false;
-
- *start = jiffies;
- generic_start_io_acct(disk->queue, bio_op(bio), bio_sectors(bio),
- &disk->part0);
- return true;
-}
-static inline void nd_iostat_end(struct bio *bio, unsigned long start)
-{
- struct gendisk *disk = bio->bi_disk;
-
- generic_end_io_acct(disk->queue, bio_op(bio), &disk->part0, start);
-}
static inline bool is_bad_pmem(struct badblocks *bb, sector_t sector,
unsigned int len)
{
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 2df6994acf83..97f948f8f4e6 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -202,7 +202,9 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
if (bio->bi_opf & REQ_PREFLUSH)
ret = nvdimm_flush(nd_region, bio);
- do_acct = nd_iostat_start(bio, &start);
+ do_acct = blk_queue_io_stat(bio->bi_disk->queue);
+ if (do_acct)
+ start = bio_start_io_acct(bio);
bio_for_each_segment(bvec, bio, iter) {
if (op_is_write(bio_op(bio)))
rc = pmem_do_write(pmem, bvec.bv_page, bvec.bv_offset,
@@ -216,7 +218,7 @@ static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
}
}
if (do_acct)
- nd_iostat_end(bio, start);
+ bio_end_io_acct(bio, start);
if (bio->bi_opf & REQ_FUA)
ret = nvdimm_flush(nd_region, bio);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 91c1bd659947..0585efa47d8f 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -19,7 +19,6 @@
#include <linux/pr.h>
#include <linux/ptrace.h>
#include <linux/nvme_ioctl.h>
-#include <linux/t10-pi.h>
#include <linux/pm_qos.h>
#include <asm/unaligned.h>
@@ -204,11 +203,6 @@ static void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl)
nvme_put_ctrl(ctrl);
}
-static inline bool nvme_ns_has_pi(struct nvme_ns *ns)
-{
- return ns->pi_type && ns->ms == sizeof(struct t10_pi_tuple);
-}
-
static blk_status_t nvme_error_status(u16 status)
{
switch (status & 0x7ff) {
@@ -310,7 +304,7 @@ bool nvme_cancel_request(struct request *req, void *data, bool reserved)
return true;
nvme_req(req)->status = NVME_SC_HOST_ABORTED_CMD;
- blk_mq_complete_request(req);
+ blk_mq_force_complete_rq(req);
return true;
}
EXPORT_SYMBOL_GPL(nvme_cancel_request);
@@ -433,7 +427,6 @@ static void nvme_free_ns_head(struct kref *ref)
nvme_mpath_remove_disk(head);
ida_simple_remove(&head->subsys->ns_ida, head->instance);
- list_del_init(&head->entry);
cleanup_srcu_struct(&head->srcu);
nvme_put_subsystem(head->subsys);
kfree(head);
@@ -530,7 +523,7 @@ static int nvme_get_stream_params(struct nvme_ctrl *ctrl,
c.directive.opcode = nvme_admin_directive_recv;
c.directive.nsid = cpu_to_le32(nsid);
- c.directive.numd = cpu_to_le32((sizeof(*s) >> 2) - 1);
+ c.directive.numd = cpu_to_le32(nvme_bytes_to_numd(sizeof(*s)));
c.directive.doper = NVME_DIR_RCV_ST_OP_PARAM;
c.directive.dtype = NVME_DIR_STREAMS;
@@ -553,19 +546,22 @@ static int nvme_configure_directives(struct nvme_ctrl *ctrl)
ret = nvme_get_stream_params(ctrl, &s, NVME_NSID_ALL);
if (ret)
- return ret;
+ goto out_disable_stream;
ctrl->nssa = le16_to_cpu(s.nssa);
if (ctrl->nssa < BLK_MAX_WRITE_HINTS - 1) {
dev_info(ctrl->device, "too few streams (%u) available\n",
ctrl->nssa);
- nvme_disable_streams(ctrl);
- return 0;
+ goto out_disable_stream;
}
ctrl->nr_streams = min_t(unsigned, ctrl->nssa, BLK_MAX_WRITE_HINTS - 1);
dev_info(ctrl->device, "Using %u streams\n", ctrl->nr_streams);
return 0;
+
+out_disable_stream:
+ nvme_disable_streams(ctrl);
+ return ret;
}
/*
@@ -1027,6 +1023,19 @@ void nvme_stop_keep_alive(struct nvme_ctrl *ctrl)
}
EXPORT_SYMBOL_GPL(nvme_stop_keep_alive);
+/*
+ * In NVMe 1.0 the CNS field was just a binary controller or namespace
+ * flag, thus sending any new CNS opcodes has a big chance of not working.
+ * Qemu unfortunately had that bug after reporting a 1.1 version compliance
+ * (but not for any later version).
+ */
+static bool nvme_ctrl_limited_cns(struct nvme_ctrl *ctrl)
+{
+ if (ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS)
+ return ctrl->vs < NVME_VS(1, 2, 0);
+ return ctrl->vs < NVME_VS(1, 1, 0);
+}
+
static int nvme_identify_ctrl(struct nvme_ctrl *dev, struct nvme_id_ctrl **id)
{
struct nvme_command c = { };
@@ -1110,7 +1119,7 @@ static int nvme_identify_ns_descs(struct nvme_ctrl *ctrl, unsigned nsid,
* Don't treat an error as fatal, as we potentially already
* have a NGUID or EUI-64.
*/
- if (status > 0)
+ if (status > 0 && !(status & NVME_SC_DNR))
status = 0;
goto free_data;
}
@@ -1290,7 +1299,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
meta_len = (io.nblocks + 1) * ns->ms;
metadata = nvme_to_user_ptr(io.metadata);
- if (ns->ext) {
+ if (ns->features & NVME_NS_EXT_LBAS) {
length += meta_len;
meta_len = 0;
} else if (meta_len) {
@@ -1392,8 +1401,10 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects)
}
if (effects & NVME_CMD_EFFECTS_CCC)
nvme_init_identify(ctrl);
- if (effects & (NVME_CMD_EFFECTS_NIC | NVME_CMD_EFFECTS_NCC))
+ if (effects & (NVME_CMD_EFFECTS_NIC | NVME_CMD_EFFECTS_NCC)) {
nvme_queue_scan(ctrl);
+ flush_work(&ctrl->scan_work);
+ }
}
static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
@@ -1682,7 +1693,8 @@ static int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo)
}
#ifdef CONFIG_BLK_DEV_INTEGRITY
-static void nvme_init_integrity(struct gendisk *disk, u16 ms, u8 pi_type)
+static void nvme_init_integrity(struct gendisk *disk, u16 ms, u8 pi_type,
+ u32 max_integrity_segments)
{
struct blk_integrity integrity;
@@ -1705,20 +1717,15 @@ static void nvme_init_integrity(struct gendisk *disk, u16 ms, u8 pi_type)
}
integrity.tuple_size = ms;
blk_integrity_register(disk, &integrity);
- blk_queue_max_integrity_segments(disk->queue, 1);
+ blk_queue_max_integrity_segments(disk->queue, max_integrity_segments);
}
#else
-static void nvme_init_integrity(struct gendisk *disk, u16 ms, u8 pi_type)
+static void nvme_init_integrity(struct gendisk *disk, u16 ms, u8 pi_type,
+ u32 max_integrity_segments)
{
}
#endif /* CONFIG_BLK_DEV_INTEGRITY */
-static void nvme_set_chunk_size(struct nvme_ns *ns)
-{
- u32 chunk_size = nvme_lba_to_sect(ns, ns->noiob);
- blk_queue_chunk_sectors(ns->queue, rounddown_pow_of_two(chunk_size));
-}
-
static void nvme_config_discard(struct gendisk *disk, struct nvme_ns *ns)
{
struct nvme_ctrl *ctrl = ns->ctrl;
@@ -1804,12 +1811,37 @@ static bool nvme_ns_ids_equal(struct nvme_ns_ids *a, struct nvme_ns_ids *b)
memcmp(&a->eui64, &b->eui64, sizeof(a->eui64)) == 0;
}
+static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
+ u32 *phys_bs, u32 *io_opt)
+{
+ struct streams_directive_params s;
+ int ret;
+
+ if (!ctrl->nr_streams)
+ return 0;
+
+ ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id);
+ if (ret)
+ return ret;
+
+ ns->sws = le32_to_cpu(s.sws);
+ ns->sgs = le16_to_cpu(s.sgs);
+
+ if (ns->sws) {
+ *phys_bs = ns->sws * (1 << ns->lba_shift);
+ if (ns->sgs)
+ *io_opt = *phys_bs * ns->sgs;
+ }
+
+ return 0;
+}
+
static void nvme_update_disk_info(struct gendisk *disk,
struct nvme_ns *ns, struct nvme_id_ns *id)
{
sector_t capacity = nvme_lba_to_sect(ns, le64_to_cpu(id->nsze));
unsigned short bs = 1 << ns->lba_shift;
- u32 atomic_bs, phys_bs, io_opt;
+ u32 atomic_bs, phys_bs, io_opt = 0;
if (ns->lba_shift > PAGE_SHIFT) {
/* unsupported block size, set capacity to 0 later */
@@ -1818,26 +1850,25 @@ static void nvme_update_disk_info(struct gendisk *disk,
blk_mq_freeze_queue(disk->queue);
blk_integrity_unregister(disk);
+ atomic_bs = phys_bs = bs;
+ nvme_setup_streams_ns(ns->ctrl, ns, &phys_bs, &io_opt);
if (id->nabo == 0) {
/*
* Bit 1 indicates whether NAWUPF is defined for this namespace
* and whether it should be used instead of AWUPF. If NAWUPF ==
* 0 then AWUPF must be used instead.
*/
- if (id->nsfeat & (1 << 1) && id->nawupf)
+ if (id->nsfeat & NVME_NS_FEAT_ATOMICS && id->nawupf)
atomic_bs = (1 + le16_to_cpu(id->nawupf)) * bs;
else
atomic_bs = (1 + ns->ctrl->subsys->awupf) * bs;
- } else {
- atomic_bs = bs;
}
- phys_bs = bs;
- io_opt = bs;
- if (id->nsfeat & (1 << 4)) {
+
+ if (id->nsfeat & NVME_NS_FEAT_IO_OPT) {
/* NPWG = Namespace Preferred Write Granularity */
- phys_bs *= 1 + le16_to_cpu(id->npwg);
+ phys_bs = bs * (1 + le16_to_cpu(id->npwg));
/* NOWS = Namespace Optimal Write Size */
- io_opt *= 1 + le16_to_cpu(id->nows);
+ io_opt = bs * (1 + le16_to_cpu(id->nows));
}
blk_queue_logical_block_size(disk->queue, bs);
@@ -1850,19 +1881,34 @@ static void nvme_update_disk_info(struct gendisk *disk,
blk_queue_io_min(disk->queue, phys_bs);
blk_queue_io_opt(disk->queue, io_opt);
- if (ns->ms && !ns->ext &&
- (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
- nvme_init_integrity(disk, ns->ms, ns->pi_type);
- if ((ns->ms && !nvme_ns_has_pi(ns) && !blk_get_integrity(disk)) ||
- ns->lba_shift > PAGE_SHIFT)
+ /*
+ * The block layer can't support LBA sizes larger than the page size
+ * yet, so catch this early and don't allow block I/O.
+ */
+ if (ns->lba_shift > PAGE_SHIFT)
capacity = 0;
+ /*
+ * Register a metadata profile for PI, or the plain non-integrity NVMe
+ * metadata masquerading as Type 0 if supported, otherwise reject block
+ * I/O to namespaces with metadata except when the namespace supports
+ * PI, as it can strip/insert in that case.
+ */
+ if (ns->ms) {
+ if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) &&
+ (ns->features & NVME_NS_METADATA_SUPPORTED))
+ nvme_init_integrity(disk, ns->ms, ns->pi_type,
+ ns->ctrl->max_integrity_segments);
+ else if (!nvme_ns_has_pi(ns))
+ capacity = 0;
+ }
+
set_capacity_revalidate_and_notify(disk, capacity, false);
nvme_config_discard(disk, ns);
nvme_config_write_zeroes(disk, ns);
- if (id->nsattr & (1 << 0))
+ if (id->nsattr & NVME_NS_ATTR_RO)
set_disk_ro(disk, true);
else
set_disk_ro(disk, false);
@@ -1870,9 +1916,11 @@ static void nvme_update_disk_info(struct gendisk *disk,
blk_mq_unfreeze_queue(disk->queue);
}
-static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
+static int __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
{
struct nvme_ns *ns = disk->private_data;
+ struct nvme_ctrl *ctrl = ns->ctrl;
+ u32 iob;
/*
* If identify namespace failed, use default 512 byte block size so
@@ -1881,32 +1929,55 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
ns->lba_shift = id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ds;
if (ns->lba_shift == 0)
ns->lba_shift = 9;
- ns->noiob = le16_to_cpu(id->noiob);
+
+ if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) &&
+ is_power_of_2(ctrl->max_hw_sectors))
+ iob = ctrl->max_hw_sectors;
+ else
+ iob = nvme_lba_to_sect(ns, le16_to_cpu(id->noiob));
+
+ ns->features = 0;
ns->ms = le16_to_cpu(id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ms);
- ns->ext = ns->ms && (id->flbas & NVME_NS_FLBAS_META_EXT);
/* the PI implementation requires metadata equal t10 pi tuple size */
if (ns->ms == sizeof(struct t10_pi_tuple))
ns->pi_type = id->dps & NVME_NS_DPS_PI_MASK;
else
ns->pi_type = 0;
- if (ns->noiob)
- nvme_set_chunk_size(ns);
+ if (ns->ms) {
+ /*
+ * For PCIe only the separate metadata pointer is supported,
+ * as the block layer supplies metadata in a separate bio_vec
+ * chain. For Fabrics, only metadata as part of extended data
+ * LBA is supported on the wire per the Fabrics specification,
+ * but the HBA/HCA will do the remapping from the separate
+ * metadata buffers for us.
+ */
+ if (id->flbas & NVME_NS_FLBAS_META_EXT) {
+ ns->features |= NVME_NS_EXT_LBAS;
+ if ((ctrl->ops->flags & NVME_F_FABRICS) &&
+ (ctrl->ops->flags & NVME_F_METADATA_SUPPORTED) &&
+ ctrl->max_integrity_segments)
+ ns->features |= NVME_NS_METADATA_SUPPORTED;
+ } else {
+ if (WARN_ON_ONCE(ctrl->ops->flags & NVME_F_FABRICS))
+ return -EINVAL;
+ if (ctrl->ops->flags & NVME_F_METADATA_SUPPORTED)
+ ns->features |= NVME_NS_METADATA_SUPPORTED;
+ }
+ }
+
+ if (iob)
+ blk_queue_chunk_sectors(ns->queue, rounddown_pow_of_two(iob));
nvme_update_disk_info(disk, ns, id);
#ifdef CONFIG_NVME_MULTIPATH
if (ns->head->disk) {
nvme_update_disk_info(ns->head->disk, ns, id);
blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
- if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) {
- struct backing_dev_info *info =
- ns->head->disk->queue->backing_dev_info;
-
- info->capabilities |= BDI_CAP_STABLE_WRITES;
- }
-
revalidate_disk(ns->head->disk);
}
#endif
+ return 0;
}
static int nvme_revalidate_disk(struct gendisk *disk)
@@ -1931,7 +2002,6 @@ static int nvme_revalidate_disk(struct gendisk *disk)
goto free_id;
}
- __nvme_revalidate_disk(disk, id);
ret = nvme_report_ns_ids(ctrl, ns->head->ns_id, id, &ids);
if (ret)
goto free_id;
@@ -1940,8 +2010,10 @@ static int nvme_revalidate_disk(struct gendisk *disk)
dev_err(ctrl->device,
"identifiers changed for nsid %d\n", ns->head->ns_id);
ret = -ENODEV;
+ goto free_id;
}
+ ret = __nvme_revalidate_disk(disk, id);
free_id:
kfree(id);
out:
@@ -2249,10 +2321,8 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl,
blk_queue_max_hw_sectors(q, ctrl->max_hw_sectors);
blk_queue_max_segments(q, min_t(u32, max_segments, USHRT_MAX));
}
- if ((ctrl->quirks & NVME_QUIRK_STRIPE_SIZE) &&
- is_power_of_2(ctrl->max_hw_sectors))
- blk_queue_chunk_sectors(q, ctrl->max_hw_sectors);
blk_queue_virt_boundary(q, ctrl->page_size - 1);
+ blk_queue_dma_alignment(q, 7);
if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
vwc = true;
blk_queue_write_cache(q, vwc, vwc);
@@ -2655,7 +2725,7 @@ static bool nvme_validate_cntlid(struct nvme_subsystem *subsys,
return false;
}
- if ((id->cmic & (1 << 1)) ||
+ if ((id->cmic & NVME_CTRL_CMIC_MULTI_CTRL) ||
(ctrl->opts && ctrl->opts->discovery_nqn))
continue;
@@ -2746,7 +2816,7 @@ int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp,
void *log, size_t size, u64 offset)
{
struct nvme_command c = { };
- unsigned long dwlen = size / 4 - 1;
+ u32 dwlen = nvme_bytes_to_numd(size);
c.get_log_page.opcode = nvme_admin_get_log_page;
c.get_log_page.nsid = cpu_to_le32(nsid);
@@ -3401,7 +3471,6 @@ static int __nvme_check_ids(struct nvme_subsystem *subsys,
list_for_each_entry(h, &subsys->nsheads, entry) {
if (nvme_ns_ids_valid(&new->ids) &&
- !list_empty(&h->list) &&
nvme_ns_ids_equal(&new->ids, &h->ids))
return -EINVAL;
}
@@ -3410,8 +3479,7 @@ static int __nvme_check_ids(struct nvme_subsystem *subsys,
}
static struct nvme_ns_head *nvme_alloc_ns_head(struct nvme_ctrl *ctrl,
- unsigned nsid, struct nvme_id_ns *id,
- struct nvme_ns_ids *ids)
+ unsigned nsid, struct nvme_ns_ids *ids)
{
struct nvme_ns_head *head;
size_t size = sizeof(*head);
@@ -3469,42 +3537,51 @@ static int nvme_init_ns_head(struct nvme_ns *ns, unsigned nsid,
struct nvme_id_ns *id)
{
struct nvme_ctrl *ctrl = ns->ctrl;
- bool is_shared = id->nmic & (1 << 0);
+ bool is_shared = id->nmic & NVME_NS_NMIC_SHARED;
struct nvme_ns_head *head = NULL;
struct nvme_ns_ids ids;
int ret = 0;
ret = nvme_report_ns_ids(ctrl, nsid, id, &ids);
- if (ret)
- goto out;
+ if (ret) {
+ if (ret < 0)
+ return ret;
+ return blk_status_to_errno(nvme_error_status(ret));
+ }
mutex_lock(&ctrl->subsys->lock);
- if (is_shared)
- head = nvme_find_ns_head(ctrl->subsys, nsid);
+ head = nvme_find_ns_head(ctrl->subsys, nsid);
if (!head) {
- head = nvme_alloc_ns_head(ctrl, nsid, id, &ids);
+ head = nvme_alloc_ns_head(ctrl, nsid, &ids);
if (IS_ERR(head)) {
ret = PTR_ERR(head);
goto out_unlock;
}
+ head->shared = is_shared;
} else {
+ ret = -EINVAL;
+ if (!is_shared || !head->shared) {
+ dev_err(ctrl->device,
+ "Duplicate unshared namespace %d\n", nsid);
+ goto out_put_ns_head;
+ }
if (!nvme_ns_ids_equal(&head->ids, &ids)) {
dev_err(ctrl->device,
"IDs don't match for shared namespace %d\n",
nsid);
- ret = -EINVAL;
- goto out_unlock;
+ goto out_put_ns_head;
}
}
list_add_tail(&ns->siblings, &head->list);
ns->head = head;
+ mutex_unlock(&ctrl->subsys->lock);
+ return 0;
+out_put_ns_head:
+ nvme_put_ns_head(head);
out_unlock:
mutex_unlock(&ctrl->subsys->lock);
-out:
- if (ret > 0)
- ret = blk_status_to_errno(nvme_error_status(ret));
return ret;
}
@@ -3535,32 +3612,6 @@ static struct nvme_ns *nvme_find_get_ns(struct nvme_ctrl *ctrl, unsigned nsid)
return ret;
}
-static int nvme_setup_streams_ns(struct nvme_ctrl *ctrl, struct nvme_ns *ns)
-{
- struct streams_directive_params s;
- int ret;
-
- if (!ctrl->nr_streams)
- return 0;
-
- ret = nvme_get_stream_params(ctrl, &s, ns->head->ns_id);
- if (ret)
- return ret;
-
- ns->sws = le32_to_cpu(s.sws);
- ns->sgs = le16_to_cpu(s.sgs);
-
- if (ns->sws) {
- unsigned int bs = 1 << ns->lba_shift;
-
- blk_queue_io_min(ns->queue, bs * ns->sws);
- if (ns->sgs)
- blk_queue_io_opt(ns->queue, bs * ns->sws * ns->sgs);
- }
-
- return 0;
-}
-
static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
{
struct nvme_ns *ns;
@@ -3604,7 +3655,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
ret = nvme_init_ns_head(ns, nsid, id);
if (ret)
goto out_free_id;
- nvme_setup_streams_ns(ctrl, ns);
nvme_set_disk_name(disk_name, ns, ctrl, &flags);
disk = alloc_disk_node(0, node);
@@ -3618,7 +3668,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
memcpy(disk->disk_name, disk_name, DISK_NAME_LEN);
ns->disk = disk;
- __nvme_revalidate_disk(disk, id);
+ if (__nvme_revalidate_disk(disk, id))
+ goto out_free_disk;
if ((ctrl->quirks & NVME_QUIRK_LIGHTNVM) && id->vs[0] == 0x1) {
ret = nvme_nvm_register(ns, disk_name, node);
@@ -3642,10 +3693,16 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
return;
out_put_disk:
+ /* prevent double queue cleanup */
+ ns->disk->queue = NULL;
put_disk(ns->disk);
+ out_free_disk:
+ del_gendisk(ns->disk);
out_unlink_ns:
mutex_lock(&ctrl->subsys->lock);
list_del_rcu(&ns->siblings);
+ if (list_empty(&ns->head->list))
+ list_del_init(&ns->head->entry);
mutex_unlock(&ctrl->subsys->lock);
nvme_put_ns_head(ns->head);
out_free_id:
@@ -3665,7 +3722,10 @@ static void nvme_ns_remove(struct nvme_ns *ns)
mutex_lock(&ns->ctrl->subsys->lock);
list_del_rcu(&ns->siblings);
+ if (list_empty(&ns->head->list))
+ list_del_init(&ns->head->entry);
mutex_unlock(&ns->ctrl->subsys->lock);
+
synchronize_rcu(); /* guarantee not available in head->list */
nvme_mpath_clear_current_path(ns);
synchronize_srcu(&ns->head->srcu); /* wait for concurrent submissions */
@@ -3685,6 +3745,16 @@ static void nvme_ns_remove(struct nvme_ns *ns)
nvme_put_ns(ns);
}
+static void nvme_ns_remove_by_nsid(struct nvme_ctrl *ctrl, u32 nsid)
+{
+ struct nvme_ns *ns = nvme_find_get_ns(ctrl, nsid);
+
+ if (ns) {
+ nvme_ns_remove(ns);
+ nvme_put_ns(ns);
+ }
+}
+
static void nvme_validate_ns(struct nvme_ctrl *ctrl, unsigned nsid)
{
struct nvme_ns *ns;
@@ -3716,39 +3786,34 @@ static void nvme_remove_invalid_namespaces(struct nvme_ctrl *ctrl,
}
-static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, unsigned nn)
+static int nvme_scan_ns_list(struct nvme_ctrl *ctrl)
{
- struct nvme_ns *ns;
+ const int nr_entries = NVME_IDENTIFY_DATA_SIZE / sizeof(__le32);
__le32 *ns_list;
- unsigned i, j, nsid, prev = 0;
- unsigned num_lists = DIV_ROUND_UP_ULL((u64)nn, 1024);
- int ret = 0;
+ u32 prev = 0;
+ int ret = 0, i;
+
+ if (nvme_ctrl_limited_cns(ctrl))
+ return -EOPNOTSUPP;
ns_list = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL);
if (!ns_list)
return -ENOMEM;
- for (i = 0; i < num_lists; i++) {
+ for (;;) {
ret = nvme_identify_ns_list(ctrl, prev, ns_list);
if (ret)
goto free;
- for (j = 0; j < min(nn, 1024U); j++) {
- nsid = le32_to_cpu(ns_list[j]);
- if (!nsid)
- goto out;
+ for (i = 0; i < nr_entries; i++) {
+ u32 nsid = le32_to_cpu(ns_list[i]);
+ if (!nsid) /* end of the list? */
+ goto out;
nvme_validate_ns(ctrl, nsid);
-
- while (++prev < nsid) {
- ns = nvme_find_get_ns(ctrl, prev);
- if (ns) {
- nvme_ns_remove(ns);
- nvme_put_ns(ns);
- }
- }
+ while (++prev < nsid)
+ nvme_ns_remove_by_nsid(ctrl, prev);
}
- nn -= j;
}
out:
nvme_remove_invalid_namespaces(ctrl, prev);
@@ -3757,9 +3822,15 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, unsigned nn)
return ret;
}
-static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl, unsigned nn)
+static void nvme_scan_ns_sequential(struct nvme_ctrl *ctrl)
{
- unsigned i;
+ struct nvme_id_ctrl *id;
+ u32 nn, i;
+
+ if (nvme_identify_ctrl(ctrl, &id))
+ return;
+ nn = le32_to_cpu(id->nn);
+ kfree(id);
for (i = 1; i <= nn; i++)
nvme_validate_ns(ctrl, i);
@@ -3796,8 +3867,6 @@ static void nvme_scan_work(struct work_struct *work)
{
struct nvme_ctrl *ctrl =
container_of(work, struct nvme_ctrl, scan_work);
- struct nvme_id_ctrl *id;
- unsigned nn;
/* No tagset on a live ctrl means IO queues could not created */
if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset)
@@ -3808,20 +3877,11 @@ static void nvme_scan_work(struct work_struct *work)
nvme_clear_changed_ns_log(ctrl);
}
- if (nvme_identify_ctrl(ctrl, &id))
- return;
-
mutex_lock(&ctrl->scan_lock);
- nn = le32_to_cpu(id->nn);
- if (ctrl->vs >= NVME_VS(1, 1, 0) &&
- !(ctrl->quirks & NVME_QUIRK_IDENTIFY_CNS)) {
- if (!nvme_scan_ns_list(ctrl, nn))
- goto out_free_id;
- }
- nvme_scan_ns_sequential(ctrl, nn);
-out_free_id:
+ if (nvme_scan_ns_list(ctrl) != 0)
+ nvme_scan_ns_sequential(ctrl);
mutex_unlock(&ctrl->scan_lock);
- kfree(id);
+
down_write(&ctrl->namespaces_rwsem);
list_sort(NULL, &ctrl->namespaces, ns_cmp);
up_write(&ctrl->namespaces_rwsem);
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 7dfc4a2ecf1e..cb0007592c12 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -14,6 +14,7 @@
#include "fabrics.h"
#include <linux/nvme-fc-driver.h>
#include <linux/nvme-fc.h>
+#include "fc.h"
#include <scsi/scsi_transport_fc.h>
/* *************************** Data Structures/Defines ****************** */
@@ -61,6 +62,17 @@ struct nvmefc_ls_req_op {
bool req_queued;
};
+struct nvmefc_ls_rcv_op {
+ struct nvme_fc_rport *rport;
+ struct nvmefc_ls_rsp *lsrsp;
+ union nvmefc_ls_requests *rqstbuf;
+ union nvmefc_ls_responses *rspbuf;
+ u16 rqstdatalen;
+ bool handled;
+ dma_addr_t rspdma;
+ struct list_head lsrcv_list; /* rport->ls_rcv_list */
+} __aligned(sizeof(u64)); /* alignment for other things alloc'd with */
+
enum nvme_fcpop_state {
FCPOP_STATE_UNINIT = 0,
FCPOP_STATE_IDLE = 1,
@@ -96,7 +108,7 @@ struct nvme_fc_fcp_op {
struct nvme_fcp_op_w_sgl {
struct nvme_fc_fcp_op op;
struct scatterlist sgl[NVME_INLINE_SG_CNT];
- uint8_t priv[0];
+ uint8_t priv[];
};
struct nvme_fc_lport {
@@ -117,6 +129,7 @@ struct nvme_fc_rport {
struct list_head endp_list; /* for lport->endp_list */
struct list_head ctrl_list;
struct list_head ls_req_list;
+ struct list_head ls_rcv_list;
struct list_head disc_list;
struct device *dev; /* physical device for dma */
struct nvme_fc_lport *lport;
@@ -124,11 +137,12 @@ struct nvme_fc_rport {
struct kref ref;
atomic_t act_ctrl_cnt;
unsigned long dev_loss_end;
+ struct work_struct lsrcv_work;
} __aligned(sizeof(u64)); /* alignment for other things alloc'd with */
-enum nvme_fcctrl_flags {
- FCCTRL_TERMIO = (1 << 0),
-};
+/* fc_ctrl flags values - specified as bit positions */
+#define ASSOC_ACTIVE 0
+#define FCCTRL_TERMIO 1
struct nvme_fc_ctrl {
spinlock_t lock;
@@ -139,9 +153,9 @@ struct nvme_fc_ctrl {
u32 cnum;
bool ioq_live;
- bool assoc_active;
atomic_t err_work_active;
u64 association_id;
+ struct nvmefc_ls_rcv_op *rcv_disconn;
struct list_head ctrl_list; /* rport->ctrl_list */
@@ -152,7 +166,7 @@ struct nvme_fc_ctrl {
struct work_struct err_work;
struct kref ref;
- u32 flags;
+ unsigned long flags;
u32 iocnt;
wait_queue_head_t ioabort_wait;
@@ -219,6 +233,9 @@ static struct device *fc_udev_device;
static void __nvme_fc_delete_hw_queue(struct nvme_fc_ctrl *,
struct nvme_fc_queue *, unsigned int);
+static void nvme_fc_handle_ls_rqst_work(struct work_struct *work);
+
+
static void
nvme_fc_free_lport(struct kref *ref)
{
@@ -394,7 +411,10 @@ nvme_fc_register_localport(struct nvme_fc_port_info *pinfo,
newrec->ops = template;
newrec->dev = dev;
ida_init(&newrec->endp_cnt);
- newrec->localport.private = &newrec[1];
+ if (template->local_priv_sz)
+ newrec->localport.private = &newrec[1];
+ else
+ newrec->localport.private = NULL;
newrec->localport.node_name = pinfo->node_name;
newrec->localport.port_name = pinfo->port_name;
newrec->localport.port_role = pinfo->port_role;
@@ -701,9 +721,13 @@ nvme_fc_register_remoteport(struct nvme_fc_local_port *localport,
atomic_set(&newrec->act_ctrl_cnt, 0);
spin_lock_init(&newrec->lock);
newrec->remoteport.localport = &lport->localport;
+ INIT_LIST_HEAD(&newrec->ls_rcv_list);
newrec->dev = lport->dev;
newrec->lport = lport;
- newrec->remoteport.private = &newrec[1];
+ if (lport->ops->remote_priv_sz)
+ newrec->remoteport.private = &newrec[1];
+ else
+ newrec->remoteport.private = NULL;
newrec->remoteport.port_role = pinfo->port_role;
newrec->remoteport.node_name = pinfo->node_name;
newrec->remoteport.port_name = pinfo->port_name;
@@ -711,6 +735,7 @@ nvme_fc_register_remoteport(struct nvme_fc_local_port *localport,
newrec->remoteport.port_state = FC_OBJSTATE_ONLINE;
newrec->remoteport.port_num = idx;
__nvme_fc_set_dev_loss_tmo(newrec, pinfo);
+ INIT_WORK(&newrec->lsrcv_work, nvme_fc_handle_ls_rqst_work);
spin_lock_irqsave(&nvme_fc_lock, flags);
list_add_tail(&newrec->endp_list, &lport->endp_list);
@@ -1000,6 +1025,7 @@ fc_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
static void nvme_fc_ctrl_put(struct nvme_fc_ctrl *);
static int nvme_fc_ctrl_get(struct nvme_fc_ctrl *);
+static void nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg);
static void
__nvme_fc_finish_ls_req(struct nvmefc_ls_req_op *lsop)
@@ -1140,41 +1166,6 @@ nvme_fc_send_ls_req_async(struct nvme_fc_rport *rport,
return __nvme_fc_send_ls_req(rport, lsop, done);
}
-/* Validation Error indexes into the string table below */
-enum {
- VERR_NO_ERROR = 0,
- VERR_LSACC = 1,
- VERR_LSDESC_RQST = 2,
- VERR_LSDESC_RQST_LEN = 3,
- VERR_ASSOC_ID = 4,
- VERR_ASSOC_ID_LEN = 5,
- VERR_CONN_ID = 6,
- VERR_CONN_ID_LEN = 7,
- VERR_CR_ASSOC = 8,
- VERR_CR_ASSOC_ACC_LEN = 9,
- VERR_CR_CONN = 10,
- VERR_CR_CONN_ACC_LEN = 11,
- VERR_DISCONN = 12,
- VERR_DISCONN_ACC_LEN = 13,
-};
-
-static char *validation_errors[] = {
- "OK",
- "Not LS_ACC",
- "Not LSDESC_RQST",
- "Bad LSDESC_RQST Length",
- "Not Association ID",
- "Bad Association ID Length",
- "Not Connection ID",
- "Bad Connection ID Length",
- "Not CR_ASSOC Rqst",
- "Bad CR_ASSOC ACC Length",
- "Not CR_CONN Rqst",
- "Bad CR_CONN ACC Length",
- "Not Disconnect Rqst",
- "Bad Disconnect ACC Length",
-};
-
static int
nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
struct nvme_fc_queue *queue, u16 qsize, u16 ersp_ratio)
@@ -1183,21 +1174,27 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
struct nvmefc_ls_req *lsreq;
struct fcnvme_ls_cr_assoc_rqst *assoc_rqst;
struct fcnvme_ls_cr_assoc_acc *assoc_acc;
+ unsigned long flags;
int ret, fcret = 0;
lsop = kzalloc((sizeof(*lsop) +
- ctrl->lport->ops->lsrqst_priv_sz +
- sizeof(*assoc_rqst) + sizeof(*assoc_acc)), GFP_KERNEL);
+ sizeof(*assoc_rqst) + sizeof(*assoc_acc) +
+ ctrl->lport->ops->lsrqst_priv_sz), GFP_KERNEL);
if (!lsop) {
+ dev_info(ctrl->ctrl.device,
+ "NVME-FC{%d}: send Create Association failed: ENOMEM\n",
+ ctrl->cnum);
ret = -ENOMEM;
goto out_no_memory;
}
- lsreq = &lsop->ls_req;
- lsreq->private = (void *)&lsop[1];
- assoc_rqst = (struct fcnvme_ls_cr_assoc_rqst *)
- (lsreq->private + ctrl->lport->ops->lsrqst_priv_sz);
+ assoc_rqst = (struct fcnvme_ls_cr_assoc_rqst *)&lsop[1];
assoc_acc = (struct fcnvme_ls_cr_assoc_acc *)&assoc_rqst[1];
+ lsreq = &lsop->ls_req;
+ if (ctrl->lport->ops->lsrqst_priv_sz)
+ lsreq->private = &assoc_acc[1];
+ else
+ lsreq->private = NULL;
assoc_rqst->w0.ls_cmd = FCNVME_LS_CREATE_ASSOCIATION;
assoc_rqst->desc_list_len =
@@ -1267,11 +1264,13 @@ nvme_fc_connect_admin_queue(struct nvme_fc_ctrl *ctrl,
"q %d Create Association LS failed: %s\n",
queue->qnum, validation_errors[fcret]);
} else {
+ spin_lock_irqsave(&ctrl->lock, flags);
ctrl->association_id =
be64_to_cpu(assoc_acc->associd.association_id);
queue->connection_id =
be64_to_cpu(assoc_acc->connectid.connection_id);
set_bit(NVME_FC_Q_CONNECTED, &queue->flags);
+ spin_unlock_irqrestore(&ctrl->lock, flags);
}
out_free_buffer:
@@ -1295,18 +1294,23 @@ nvme_fc_connect_queue(struct nvme_fc_ctrl *ctrl, struct nvme_fc_queue *queue,
int ret, fcret = 0;
lsop = kzalloc((sizeof(*lsop) +
- ctrl->lport->ops->lsrqst_priv_sz +
- sizeof(*conn_rqst) + sizeof(*conn_acc)), GFP_KERNEL);
+ sizeof(*conn_rqst) + sizeof(*conn_acc) +
+ ctrl->lport->ops->lsrqst_priv_sz), GFP_KERNEL);
if (!lsop) {
+ dev_info(ctrl->ctrl.device,
+ "NVME-FC{%d}: send Create Connection failed: ENOMEM\n",
+ ctrl->cnum);
ret = -ENOMEM;
goto out_no_memory;
}
- lsreq = &lsop->ls_req;
- lsreq->private = (void *)&lsop[1];
- conn_rqst = (struct fcnvme_ls_cr_conn_rqst *)
- (lsreq->private + ctrl->lport->ops->lsrqst_priv_sz);
+ conn_rqst = (struct fcnvme_ls_cr_conn_rqst *)&lsop[1];
conn_acc = (struct fcnvme_ls_cr_conn_acc *)&conn_rqst[1];
+ lsreq = &lsop->ls_req;
+ if (ctrl->lport->ops->lsrqst_priv_sz)
+ lsreq->private = (void *)&conn_acc[1];
+ else
+ lsreq->private = NULL;
conn_rqst->w0.ls_cmd = FCNVME_LS_CREATE_CONNECTION;
conn_rqst->desc_list_len = cpu_to_be32(
@@ -1420,54 +1424,385 @@ nvme_fc_xmt_disconnect_assoc(struct nvme_fc_ctrl *ctrl)
int ret;
lsop = kzalloc((sizeof(*lsop) +
- ctrl->lport->ops->lsrqst_priv_sz +
- sizeof(*discon_rqst) + sizeof(*discon_acc)),
- GFP_KERNEL);
- if (!lsop)
- /* couldn't sent it... too bad */
+ sizeof(*discon_rqst) + sizeof(*discon_acc) +
+ ctrl->lport->ops->lsrqst_priv_sz), GFP_KERNEL);
+ if (!lsop) {
+ dev_info(ctrl->ctrl.device,
+ "NVME-FC{%d}: send Disconnect Association "
+ "failed: ENOMEM\n",
+ ctrl->cnum);
return;
+ }
+ discon_rqst = (struct fcnvme_ls_disconnect_assoc_rqst *)&lsop[1];
+ discon_acc = (struct fcnvme_ls_disconnect_assoc_acc *)&discon_rqst[1];
lsreq = &lsop->ls_req;
+ if (ctrl->lport->ops->lsrqst_priv_sz)
+ lsreq->private = (void *)&discon_acc[1];
+ else
+ lsreq->private = NULL;
- lsreq->private = (void *)&lsop[1];
- discon_rqst = (struct fcnvme_ls_disconnect_assoc_rqst *)
- (lsreq->private + ctrl->lport->ops->lsrqst_priv_sz);
- discon_acc = (struct fcnvme_ls_disconnect_assoc_acc *)&discon_rqst[1];
+ nvmefc_fmt_lsreq_discon_assoc(lsreq, discon_rqst, discon_acc,
+ ctrl->association_id);
- discon_rqst->w0.ls_cmd = FCNVME_LS_DISCONNECT_ASSOC;
- discon_rqst->desc_list_len = cpu_to_be32(
- sizeof(struct fcnvme_lsdesc_assoc_id) +
- sizeof(struct fcnvme_lsdesc_disconn_cmd));
+ ret = nvme_fc_send_ls_req_async(ctrl->rport, lsop,
+ nvme_fc_disconnect_assoc_done);
+ if (ret)
+ kfree(lsop);
+}
- discon_rqst->associd.desc_tag = cpu_to_be32(FCNVME_LSDESC_ASSOC_ID);
- discon_rqst->associd.desc_len =
- fcnvme_lsdesc_len(
- sizeof(struct fcnvme_lsdesc_assoc_id));
+static void
+nvme_fc_xmt_ls_rsp_done(struct nvmefc_ls_rsp *lsrsp)
+{
+ struct nvmefc_ls_rcv_op *lsop = lsrsp->nvme_fc_private;
+ struct nvme_fc_rport *rport = lsop->rport;
+ struct nvme_fc_lport *lport = rport->lport;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rport->lock, flags);
+ list_del(&lsop->lsrcv_list);
+ spin_unlock_irqrestore(&rport->lock, flags);
+
+ fc_dma_sync_single_for_cpu(lport->dev, lsop->rspdma,
+ sizeof(*lsop->rspbuf), DMA_TO_DEVICE);
+ fc_dma_unmap_single(lport->dev, lsop->rspdma,
+ sizeof(*lsop->rspbuf), DMA_TO_DEVICE);
+
+ kfree(lsop);
+
+ nvme_fc_rport_put(rport);
+}
+
+static void
+nvme_fc_xmt_ls_rsp(struct nvmefc_ls_rcv_op *lsop)
+{
+ struct nvme_fc_rport *rport = lsop->rport;
+ struct nvme_fc_lport *lport = rport->lport;
+ struct fcnvme_ls_rqst_w0 *w0 = &lsop->rqstbuf->w0;
+ int ret;
+
+ fc_dma_sync_single_for_device(lport->dev, lsop->rspdma,
+ sizeof(*lsop->rspbuf), DMA_TO_DEVICE);
+
+ ret = lport->ops->xmt_ls_rsp(&lport->localport, &rport->remoteport,
+ lsop->lsrsp);
+ if (ret) {
+ dev_warn(lport->dev,
+ "LLDD rejected LS RSP xmt: LS %d status %d\n",
+ w0->ls_cmd, ret);
+ nvme_fc_xmt_ls_rsp_done(lsop->lsrsp);
+ return;
+ }
+}
+
+static struct nvme_fc_ctrl *
+nvme_fc_match_disconn_ls(struct nvme_fc_rport *rport,
+ struct nvmefc_ls_rcv_op *lsop)
+{
+ struct fcnvme_ls_disconnect_assoc_rqst *rqst =
+ &lsop->rqstbuf->rq_dis_assoc;
+ struct nvme_fc_ctrl *ctrl, *ret = NULL;
+ struct nvmefc_ls_rcv_op *oldls = NULL;
+ u64 association_id = be64_to_cpu(rqst->associd.association_id);
+ unsigned long flags;
+
+ spin_lock_irqsave(&rport->lock, flags);
+
+ list_for_each_entry(ctrl, &rport->ctrl_list, ctrl_list) {
+ if (!nvme_fc_ctrl_get(ctrl))
+ continue;
+ spin_lock(&ctrl->lock);
+ if (association_id == ctrl->association_id) {
+ oldls = ctrl->rcv_disconn;
+ ctrl->rcv_disconn = lsop;
+ ret = ctrl;
+ }
+ spin_unlock(&ctrl->lock);
+ if (ret)
+ /* leave the ctrl get reference */
+ break;
+ nvme_fc_ctrl_put(ctrl);
+ }
+
+ spin_unlock_irqrestore(&rport->lock, flags);
+
+ /* transmit a response for anything that was pending */
+ if (oldls) {
+ dev_info(rport->lport->dev,
+ "NVME-FC{%d}: Multiple Disconnect Association "
+ "LS's received\n", ctrl->cnum);
+ /* overwrite good response with bogus failure */
+ oldls->lsrsp->rsplen = nvme_fc_format_rjt(oldls->rspbuf,
+ sizeof(*oldls->rspbuf),
+ rqst->w0.ls_cmd,
+ FCNVME_RJT_RC_UNAB,
+ FCNVME_RJT_EXP_NONE, 0);
+ nvme_fc_xmt_ls_rsp(oldls);
+ }
+
+ return ret;
+}
+
+/*
+ * returns true to mean LS handled and ls_rsp can be sent
+ * returns false to defer ls_rsp xmt (will be done as part of
+ * association termination)
+ */
+static bool
+nvme_fc_ls_disconnect_assoc(struct nvmefc_ls_rcv_op *lsop)
+{
+ struct nvme_fc_rport *rport = lsop->rport;
+ struct fcnvme_ls_disconnect_assoc_rqst *rqst =
+ &lsop->rqstbuf->rq_dis_assoc;
+ struct fcnvme_ls_disconnect_assoc_acc *acc =
+ &lsop->rspbuf->rsp_dis_assoc;
+ struct nvme_fc_ctrl *ctrl = NULL;
+ int ret = 0;
+
+ memset(acc, 0, sizeof(*acc));
+
+ ret = nvmefc_vldt_lsreq_discon_assoc(lsop->rqstdatalen, rqst);
+ if (!ret) {
+ /* match an active association */
+ ctrl = nvme_fc_match_disconn_ls(rport, lsop);
+ if (!ctrl)
+ ret = VERR_NO_ASSOC;
+ }
+
+ if (ret) {
+ dev_info(rport->lport->dev,
+ "Disconnect LS failed: %s\n",
+ validation_errors[ret]);
+ lsop->lsrsp->rsplen = nvme_fc_format_rjt(acc,
+ sizeof(*acc), rqst->w0.ls_cmd,
+ (ret == VERR_NO_ASSOC) ?
+ FCNVME_RJT_RC_INV_ASSOC :
+ FCNVME_RJT_RC_LOGIC,
+ FCNVME_RJT_EXP_NONE, 0);
+ return true;
+ }
- discon_rqst->associd.association_id = cpu_to_be64(ctrl->association_id);
+ /* format an ACCept response */
- discon_rqst->discon_cmd.desc_tag = cpu_to_be32(
- FCNVME_LSDESC_DISCONN_CMD);
- discon_rqst->discon_cmd.desc_len =
+ lsop->lsrsp->rsplen = sizeof(*acc);
+
+ nvme_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
fcnvme_lsdesc_len(
- sizeof(struct fcnvme_lsdesc_disconn_cmd));
+ sizeof(struct fcnvme_ls_disconnect_assoc_acc)),
+ FCNVME_LS_DISCONNECT_ASSOC);
- lsreq->rqstaddr = discon_rqst;
- lsreq->rqstlen = sizeof(*discon_rqst);
- lsreq->rspaddr = discon_acc;
- lsreq->rsplen = sizeof(*discon_acc);
- lsreq->timeout = NVME_FC_LS_TIMEOUT_SEC;
+ /*
+ * the transmit of the response will occur after the exchanges
+ * for the association have been ABTS'd by
+ * nvme_fc_delete_association().
+ */
- ret = nvme_fc_send_ls_req_async(ctrl->rport, lsop,
- nvme_fc_disconnect_assoc_done);
- if (ret)
- kfree(lsop);
+ /* fail the association */
+ nvme_fc_error_recovery(ctrl, "Disconnect Association LS received");
+
+ /* release the reference taken by nvme_fc_match_disconn_ls() */
+ nvme_fc_ctrl_put(ctrl);
+
+ return false;
}
+/*
+ * Actual Processing routine for received FC-NVME LS Requests from the LLD
+ * returns true if a response should be sent afterward, false if rsp will
+ * be sent asynchronously.
+ */
+static bool
+nvme_fc_handle_ls_rqst(struct nvmefc_ls_rcv_op *lsop)
+{
+ struct fcnvme_ls_rqst_w0 *w0 = &lsop->rqstbuf->w0;
+ bool ret = true;
+
+ lsop->lsrsp->nvme_fc_private = lsop;
+ lsop->lsrsp->rspbuf = lsop->rspbuf;
+ lsop->lsrsp->rspdma = lsop->rspdma;
+ lsop->lsrsp->done = nvme_fc_xmt_ls_rsp_done;
+ /* Be preventative. handlers will later set to valid length */
+ lsop->lsrsp->rsplen = 0;
-/* *********************** NVME Ctrl Routines **************************** */
+ /*
+ * handlers:
+ * parse request input, execute the request, and format the
+ * LS response
+ */
+ switch (w0->ls_cmd) {
+ case FCNVME_LS_DISCONNECT_ASSOC:
+ ret = nvme_fc_ls_disconnect_assoc(lsop);
+ break;
+ case FCNVME_LS_DISCONNECT_CONN:
+ lsop->lsrsp->rsplen = nvme_fc_format_rjt(lsop->rspbuf,
+ sizeof(*lsop->rspbuf), w0->ls_cmd,
+ FCNVME_RJT_RC_UNSUP, FCNVME_RJT_EXP_NONE, 0);
+ break;
+ case FCNVME_LS_CREATE_ASSOCIATION:
+ case FCNVME_LS_CREATE_CONNECTION:
+ lsop->lsrsp->rsplen = nvme_fc_format_rjt(lsop->rspbuf,
+ sizeof(*lsop->rspbuf), w0->ls_cmd,
+ FCNVME_RJT_RC_LOGIC, FCNVME_RJT_EXP_NONE, 0);
+ break;
+ default:
+ lsop->lsrsp->rsplen = nvme_fc_format_rjt(lsop->rspbuf,
+ sizeof(*lsop->rspbuf), w0->ls_cmd,
+ FCNVME_RJT_RC_INVAL, FCNVME_RJT_EXP_NONE, 0);
+ break;
+ }
-static void nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg);
+ return(ret);
+}
+
+static void
+nvme_fc_handle_ls_rqst_work(struct work_struct *work)
+{
+ struct nvme_fc_rport *rport =
+ container_of(work, struct nvme_fc_rport, lsrcv_work);
+ struct fcnvme_ls_rqst_w0 *w0;
+ struct nvmefc_ls_rcv_op *lsop;
+ unsigned long flags;
+ bool sendrsp;
+
+restart:
+ sendrsp = true;
+ spin_lock_irqsave(&rport->lock, flags);
+ list_for_each_entry(lsop, &rport->ls_rcv_list, lsrcv_list) {
+ if (lsop->handled)
+ continue;
+
+ lsop->handled = true;
+ if (rport->remoteport.port_state == FC_OBJSTATE_ONLINE) {
+ spin_unlock_irqrestore(&rport->lock, flags);
+ sendrsp = nvme_fc_handle_ls_rqst(lsop);
+ } else {
+ spin_unlock_irqrestore(&rport->lock, flags);
+ w0 = &lsop->rqstbuf->w0;
+ lsop->lsrsp->rsplen = nvme_fc_format_rjt(
+ lsop->rspbuf,
+ sizeof(*lsop->rspbuf),
+ w0->ls_cmd,
+ FCNVME_RJT_RC_UNAB,
+ FCNVME_RJT_EXP_NONE, 0);
+ }
+ if (sendrsp)
+ nvme_fc_xmt_ls_rsp(lsop);
+ goto restart;
+ }
+ spin_unlock_irqrestore(&rport->lock, flags);
+}
+
+/**
+ * nvme_fc_rcv_ls_req - transport entry point called by an LLDD
+ * upon the reception of a NVME LS request.
+ *
+ * The nvme-fc layer will copy payload to an internal structure for
+ * processing. As such, upon completion of the routine, the LLDD may
+ * immediately free/reuse the LS request buffer passed in the call.
+ *
+ * If this routine returns error, the LLDD should abort the exchange.
+ *
+ * @remoteport: pointer to the (registered) remote port that the LS
+ * was received from. The remoteport is associated with
+ * a specific localport.
+ * @lsrsp: pointer to a nvmefc_ls_rsp response structure to be
+ * used to reference the exchange corresponding to the LS
+ * when issuing an ls response.
+ * @lsreqbuf: pointer to the buffer containing the LS Request
+ * @lsreqbuf_len: length, in bytes, of the received LS request
+ */
+int
+nvme_fc_rcv_ls_req(struct nvme_fc_remote_port *portptr,
+ struct nvmefc_ls_rsp *lsrsp,
+ void *lsreqbuf, u32 lsreqbuf_len)
+{
+ struct nvme_fc_rport *rport = remoteport_to_rport(portptr);
+ struct nvme_fc_lport *lport = rport->lport;
+ struct fcnvme_ls_rqst_w0 *w0 = (struct fcnvme_ls_rqst_w0 *)lsreqbuf;
+ struct nvmefc_ls_rcv_op *lsop;
+ unsigned long flags;
+ int ret;
+
+ nvme_fc_rport_get(rport);
+
+ /* validate there's a routine to transmit a response */
+ if (!lport->ops->xmt_ls_rsp) {
+ dev_info(lport->dev,
+ "RCV %s LS failed: no LLDD xmt_ls_rsp\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
+ ret = -EINVAL;
+ goto out_put;
+ }
+
+ if (lsreqbuf_len > sizeof(union nvmefc_ls_requests)) {
+ dev_info(lport->dev,
+ "RCV %s LS failed: payload too large\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
+ ret = -E2BIG;
+ goto out_put;
+ }
+
+ lsop = kzalloc(sizeof(*lsop) +
+ sizeof(union nvmefc_ls_requests) +
+ sizeof(union nvmefc_ls_responses),
+ GFP_KERNEL);
+ if (!lsop) {
+ dev_info(lport->dev,
+ "RCV %s LS failed: No memory\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
+ ret = -ENOMEM;
+ goto out_put;
+ }
+ lsop->rqstbuf = (union nvmefc_ls_requests *)&lsop[1];
+ lsop->rspbuf = (union nvmefc_ls_responses *)&lsop->rqstbuf[1];
+
+ lsop->rspdma = fc_dma_map_single(lport->dev, lsop->rspbuf,
+ sizeof(*lsop->rspbuf),
+ DMA_TO_DEVICE);
+ if (fc_dma_mapping_error(lport->dev, lsop->rspdma)) {
+ dev_info(lport->dev,
+ "RCV %s LS failed: DMA mapping failure\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
+ ret = -EFAULT;
+ goto out_free;
+ }
+
+ lsop->rport = rport;
+ lsop->lsrsp = lsrsp;
+
+ memcpy(lsop->rqstbuf, lsreqbuf, lsreqbuf_len);
+ lsop->rqstdatalen = lsreqbuf_len;
+
+ spin_lock_irqsave(&rport->lock, flags);
+ if (rport->remoteport.port_state != FC_OBJSTATE_ONLINE) {
+ spin_unlock_irqrestore(&rport->lock, flags);
+ ret = -ENOTCONN;
+ goto out_unmap;
+ }
+ list_add_tail(&lsop->lsrcv_list, &rport->ls_rcv_list);
+ spin_unlock_irqrestore(&rport->lock, flags);
+
+ schedule_work(&rport->lsrcv_work);
+
+ return 0;
+
+out_unmap:
+ fc_dma_unmap_single(lport->dev, lsop->rspdma,
+ sizeof(*lsop->rspbuf), DMA_TO_DEVICE);
+out_free:
+ kfree(lsop);
+out_put:
+ nvme_fc_rport_put(rport);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(nvme_fc_rcv_ls_req);
+
+
+/* *********************** NVME Ctrl Routines **************************** */
static void
__nvme_fc_exit_request(struct nvme_fc_ctrl *ctrl,
@@ -1500,7 +1835,7 @@ __nvme_fc_abort_op(struct nvme_fc_ctrl *ctrl, struct nvme_fc_fcp_op *op)
opstate = atomic_xchg(&op->state, FCPOP_STATE_ABORTED);
if (opstate != FCPOP_STATE_ACTIVE)
atomic_set(&op->state, opstate);
- else if (ctrl->flags & FCCTRL_TERMIO)
+ else if (test_bit(FCCTRL_TERMIO, &ctrl->flags))
ctrl->iocnt++;
spin_unlock_irqrestore(&ctrl->lock, flags);
@@ -1537,7 +1872,7 @@ __nvme_fc_fcpop_chk_teardowns(struct nvme_fc_ctrl *ctrl,
if (opstate == FCPOP_STATE_ABORTED) {
spin_lock_irqsave(&ctrl->lock, flags);
- if (ctrl->flags & FCCTRL_TERMIO) {
+ if (test_bit(FCCTRL_TERMIO, &ctrl->flags)) {
if (!--ctrl->iocnt)
wake_up(&ctrl->ioabort_wait);
}
@@ -1771,7 +2106,7 @@ nvme_fc_init_request(struct blk_mq_tag_set *set, struct request *rq,
res = __nvme_fc_init_request(ctrl, queue, &op->op, rq, queue->rqcnt++);
if (res)
return res;
- op->op.fcp_req.first_sgl = &op->sgl[0];
+ op->op.fcp_req.first_sgl = op->sgl;
op->op.fcp_req.private = &op->priv[0];
nvme_req(rq)->ctrl = &ctrl->ctrl;
return res;
@@ -1783,15 +2118,17 @@ nvme_fc_init_aen_ops(struct nvme_fc_ctrl *ctrl)
struct nvme_fc_fcp_op *aen_op;
struct nvme_fc_cmd_iu *cmdiu;
struct nvme_command *sqe;
- void *private;
+ void *private = NULL;
int i, ret;
aen_op = ctrl->aen_ops;
for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) {
- private = kzalloc(ctrl->lport->ops->fcprqst_priv_sz,
+ if (ctrl->lport->ops->fcprqst_priv_sz) {
+ private = kzalloc(ctrl->lport->ops->fcprqst_priv_sz,
GFP_KERNEL);
- if (!private)
- return -ENOMEM;
+ if (!private)
+ return -ENOMEM;
+ }
cmdiu = &aen_op->cmd_iu;
sqe = &cmdiu->sqe;
@@ -1822,9 +2159,6 @@ nvme_fc_term_aen_ops(struct nvme_fc_ctrl *ctrl)
aen_op = ctrl->aen_ops;
for (i = 0; i < NVME_NR_AEN_COMMANDS; i++, aen_op++) {
- if (!aen_op->fcp_req.private)
- continue;
-
__nvme_fc_exit_request(ctrl, aen_op);
kfree(aen_op->fcp_req.private);
@@ -2366,16 +2700,9 @@ nvme_fc_submit_async_event(struct nvme_ctrl *arg)
{
struct nvme_fc_ctrl *ctrl = to_fc_ctrl(arg);
struct nvme_fc_fcp_op *aen_op;
- unsigned long flags;
- bool terminating = false;
blk_status_t ret;
- spin_lock_irqsave(&ctrl->lock, flags);
- if (ctrl->flags & FCCTRL_TERMIO)
- terminating = true;
- spin_unlock_irqrestore(&ctrl->lock, flags);
-
- if (terminating)
+ if (test_bit(FCCTRL_TERMIO, &ctrl->flags))
return;
aen_op = &ctrl->aen_ops[0];
@@ -2584,10 +2911,9 @@ nvme_fc_ctlr_active_on_rport(struct nvme_fc_ctrl *ctrl)
struct nvme_fc_rport *rport = ctrl->rport;
u32 cnt;
- if (ctrl->assoc_active)
+ if (test_and_set_bit(ASSOC_ACTIVE, &ctrl->flags))
return 1;
- ctrl->assoc_active = true;
cnt = atomic_inc_return(&rport->act_ctrl_cnt);
if (cnt == 1)
nvme_fc_rport_active_on_lport(rport);
@@ -2602,7 +2928,7 @@ nvme_fc_ctlr_inactive_on_rport(struct nvme_fc_ctrl *ctrl)
struct nvme_fc_lport *lport = rport->lport;
u32 cnt;
- /* ctrl->assoc_active=false will be set independently */
+ /* clearing of ctrl->flags ASSOC_ACTIVE bit is in association delete */
cnt = atomic_dec_return(&rport->act_ctrl_cnt);
if (cnt == 0) {
@@ -2622,6 +2948,8 @@ static int
nvme_fc_create_association(struct nvme_fc_ctrl *ctrl)
{
struct nvmf_ctrl_options *opts = ctrl->ctrl.opts;
+ struct nvmefc_ls_rcv_op *disls = NULL;
+ unsigned long flags;
int ret;
bool changed;
@@ -2739,12 +3067,18 @@ out_term_aen_ops:
out_disconnect_admin_queue:
/* send a Disconnect(association) LS to fc-nvme target */
nvme_fc_xmt_disconnect_assoc(ctrl);
+ spin_lock_irqsave(&ctrl->lock, flags);
ctrl->association_id = 0;
+ disls = ctrl->rcv_disconn;
+ ctrl->rcv_disconn = NULL;
+ spin_unlock_irqrestore(&ctrl->lock, flags);
+ if (disls)
+ nvme_fc_xmt_ls_rsp(disls);
out_delete_hw_queue:
__nvme_fc_delete_hw_queue(ctrl, &ctrl->queues[0], 0);
out_free_queue:
nvme_fc_free_queue(&ctrl->queues[0]);
- ctrl->assoc_active = false;
+ clear_bit(ASSOC_ACTIVE, &ctrl->flags);
nvme_fc_ctlr_inactive_on_rport(ctrl);
return ret;
@@ -2759,14 +3093,14 @@ out_free_queue:
static void
nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl)
{
+ struct nvmefc_ls_rcv_op *disls = NULL;
unsigned long flags;
- if (!ctrl->assoc_active)
+ if (!test_and_clear_bit(ASSOC_ACTIVE, &ctrl->flags))
return;
- ctrl->assoc_active = false;
spin_lock_irqsave(&ctrl->lock, flags);
- ctrl->flags |= FCCTRL_TERMIO;
+ set_bit(FCCTRL_TERMIO, &ctrl->flags);
ctrl->iocnt = 0;
spin_unlock_irqrestore(&ctrl->lock, flags);
@@ -2817,7 +3151,7 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl)
/* wait for all io that had to be aborted */
spin_lock_irq(&ctrl->lock);
wait_event_lock_irq(ctrl->ioabort_wait, ctrl->iocnt == 0, ctrl->lock);
- ctrl->flags &= ~FCCTRL_TERMIO;
+ clear_bit(FCCTRL_TERMIO, &ctrl->flags);
spin_unlock_irq(&ctrl->lock);
nvme_fc_term_aen_ops(ctrl);
@@ -2831,7 +3165,17 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl)
if (ctrl->association_id)
nvme_fc_xmt_disconnect_assoc(ctrl);
+ spin_lock_irqsave(&ctrl->lock, flags);
ctrl->association_id = 0;
+ disls = ctrl->rcv_disconn;
+ ctrl->rcv_disconn = NULL;
+ spin_unlock_irqrestore(&ctrl->lock, flags);
+ if (disls)
+ /*
+ * if a Disconnect Request was waiting for a response, send
+ * now that all ABTS's have been issued (and are complete).
+ */
+ nvme_fc_xmt_ls_rsp(disls);
if (ctrl->ctrl.tagset) {
nvme_fc_delete_hw_io_queues(ctrl);
@@ -2902,7 +3246,9 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status)
dev_warn(ctrl->ctrl.device,
"NVME-FC{%d}: dev_loss_tmo (%d) expired "
"while waiting for remoteport connectivity.\n",
- ctrl->cnum, portptr->dev_loss_tmo);
+ ctrl->cnum, min_t(int, portptr->dev_loss_tmo,
+ (ctrl->ctrl.opts->max_reconnects *
+ ctrl->ctrl.opts->reconnect_delay)));
WARN_ON(nvme_delete_ctrl(&ctrl->ctrl));
}
}
@@ -3089,7 +3435,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts,
ctrl->dev = lport->dev;
ctrl->cnum = idx;
ctrl->ioq_live = false;
- ctrl->assoc_active = false;
atomic_set(&ctrl->err_work_active, 0);
init_waitqueue_head(&ctrl->ioabort_wait);
diff --git a/drivers/nvme/host/fc.h b/drivers/nvme/host/fc.h
new file mode 100644
index 000000000000..05ce566f2caf
--- /dev/null
+++ b/drivers/nvme/host/fc.h
@@ -0,0 +1,227 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2016, Avago Technologies
+ */
+
+#ifndef _NVME_FC_TRANSPORT_H
+#define _NVME_FC_TRANSPORT_H 1
+
+
+/*
+ * Common definitions between the nvme_fc (host) transport and
+ * nvmet_fc (target) transport implementation.
+ */
+
+/*
+ * ****************** FC-NVME LS HANDLING ******************
+ */
+
+union nvmefc_ls_requests {
+ struct fcnvme_ls_rqst_w0 w0;
+ struct fcnvme_ls_cr_assoc_rqst rq_cr_assoc;
+ struct fcnvme_ls_cr_conn_rqst rq_cr_conn;
+ struct fcnvme_ls_disconnect_assoc_rqst rq_dis_assoc;
+ struct fcnvme_ls_disconnect_conn_rqst rq_dis_conn;
+} __aligned(128); /* alignment for other things alloc'd with */
+
+union nvmefc_ls_responses {
+ struct fcnvme_ls_rjt rsp_rjt;
+ struct fcnvme_ls_cr_assoc_acc rsp_cr_assoc;
+ struct fcnvme_ls_cr_conn_acc rsp_cr_conn;
+ struct fcnvme_ls_disconnect_assoc_acc rsp_dis_assoc;
+ struct fcnvme_ls_disconnect_conn_acc rsp_dis_conn;
+} __aligned(128); /* alignment for other things alloc'd with */
+
+static inline void
+nvme_fc_format_rsp_hdr(void *buf, u8 ls_cmd, __be32 desc_len, u8 rqst_ls_cmd)
+{
+ struct fcnvme_ls_acc_hdr *acc = buf;
+
+ acc->w0.ls_cmd = ls_cmd;
+ acc->desc_list_len = desc_len;
+ acc->rqst.desc_tag = cpu_to_be32(FCNVME_LSDESC_RQST);
+ acc->rqst.desc_len =
+ fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rqst));
+ acc->rqst.w0.ls_cmd = rqst_ls_cmd;
+}
+
+static inline int
+nvme_fc_format_rjt(void *buf, u16 buflen, u8 ls_cmd,
+ u8 reason, u8 explanation, u8 vendor)
+{
+ struct fcnvme_ls_rjt *rjt = buf;
+
+ nvme_fc_format_rsp_hdr(buf, FCNVME_LSDESC_RQST,
+ fcnvme_lsdesc_len(sizeof(struct fcnvme_ls_rjt)),
+ ls_cmd);
+ rjt->rjt.desc_tag = cpu_to_be32(FCNVME_LSDESC_RJT);
+ rjt->rjt.desc_len = fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rjt));
+ rjt->rjt.reason_code = reason;
+ rjt->rjt.reason_explanation = explanation;
+ rjt->rjt.vendor = vendor;
+
+ return sizeof(struct fcnvme_ls_rjt);
+}
+
+/* Validation Error indexes into the string table below */
+enum {
+ VERR_NO_ERROR = 0,
+ VERR_CR_ASSOC_LEN = 1,
+ VERR_CR_ASSOC_RQST_LEN = 2,
+ VERR_CR_ASSOC_CMD = 3,
+ VERR_CR_ASSOC_CMD_LEN = 4,
+ VERR_ERSP_RATIO = 5,
+ VERR_ASSOC_ALLOC_FAIL = 6,
+ VERR_QUEUE_ALLOC_FAIL = 7,
+ VERR_CR_CONN_LEN = 8,
+ VERR_CR_CONN_RQST_LEN = 9,
+ VERR_ASSOC_ID = 10,
+ VERR_ASSOC_ID_LEN = 11,
+ VERR_NO_ASSOC = 12,
+ VERR_CONN_ID = 13,
+ VERR_CONN_ID_LEN = 14,
+ VERR_INVAL_CONN = 15,
+ VERR_CR_CONN_CMD = 16,
+ VERR_CR_CONN_CMD_LEN = 17,
+ VERR_DISCONN_LEN = 18,
+ VERR_DISCONN_RQST_LEN = 19,
+ VERR_DISCONN_CMD = 20,
+ VERR_DISCONN_CMD_LEN = 21,
+ VERR_DISCONN_SCOPE = 22,
+ VERR_RS_LEN = 23,
+ VERR_RS_RQST_LEN = 24,
+ VERR_RS_CMD = 25,
+ VERR_RS_CMD_LEN = 26,
+ VERR_RS_RCTL = 27,
+ VERR_RS_RO = 28,
+ VERR_LSACC = 29,
+ VERR_LSDESC_RQST = 30,
+ VERR_LSDESC_RQST_LEN = 31,
+ VERR_CR_ASSOC = 32,
+ VERR_CR_ASSOC_ACC_LEN = 33,
+ VERR_CR_CONN = 34,
+ VERR_CR_CONN_ACC_LEN = 35,
+ VERR_DISCONN = 36,
+ VERR_DISCONN_ACC_LEN = 37,
+};
+
+static char *validation_errors[] = {
+ "OK",
+ "Bad CR_ASSOC Length",
+ "Bad CR_ASSOC Rqst Length",
+ "Not CR_ASSOC Cmd",
+ "Bad CR_ASSOC Cmd Length",
+ "Bad Ersp Ratio",
+ "Association Allocation Failed",
+ "Queue Allocation Failed",
+ "Bad CR_CONN Length",
+ "Bad CR_CONN Rqst Length",
+ "Not Association ID",
+ "Bad Association ID Length",
+ "No Association",
+ "Not Connection ID",
+ "Bad Connection ID Length",
+ "Invalid Connection ID",
+ "Not CR_CONN Cmd",
+ "Bad CR_CONN Cmd Length",
+ "Bad DISCONN Length",
+ "Bad DISCONN Rqst Length",
+ "Not DISCONN Cmd",
+ "Bad DISCONN Cmd Length",
+ "Bad Disconnect Scope",
+ "Bad RS Length",
+ "Bad RS Rqst Length",
+ "Not RS Cmd",
+ "Bad RS Cmd Length",
+ "Bad RS R_CTL",
+ "Bad RS Relative Offset",
+ "Not LS_ACC",
+ "Not LSDESC_RQST",
+ "Bad LSDESC_RQST Length",
+ "Not CR_ASSOC Rqst",
+ "Bad CR_ASSOC ACC Length",
+ "Not CR_CONN Rqst",
+ "Bad CR_CONN ACC Length",
+ "Not Disconnect Rqst",
+ "Bad Disconnect ACC Length",
+};
+
+#define NVME_FC_LAST_LS_CMD_VALUE FCNVME_LS_DISCONNECT_CONN
+
+static char *nvmefc_ls_names[] = {
+ "Reserved (0)",
+ "RJT (1)",
+ "ACC (2)",
+ "Create Association",
+ "Create Connection",
+ "Disconnect Association",
+ "Disconnect Connection",
+};
+
+static inline void
+nvmefc_fmt_lsreq_discon_assoc(struct nvmefc_ls_req *lsreq,
+ struct fcnvme_ls_disconnect_assoc_rqst *discon_rqst,
+ struct fcnvme_ls_disconnect_assoc_acc *discon_acc,
+ u64 association_id)
+{
+ lsreq->rqstaddr = discon_rqst;
+ lsreq->rqstlen = sizeof(*discon_rqst);
+ lsreq->rspaddr = discon_acc;
+ lsreq->rsplen = sizeof(*discon_acc);
+ lsreq->timeout = NVME_FC_LS_TIMEOUT_SEC;
+
+ discon_rqst->w0.ls_cmd = FCNVME_LS_DISCONNECT_ASSOC;
+ discon_rqst->desc_list_len = cpu_to_be32(
+ sizeof(struct fcnvme_lsdesc_assoc_id) +
+ sizeof(struct fcnvme_lsdesc_disconn_cmd));
+
+ discon_rqst->associd.desc_tag = cpu_to_be32(FCNVME_LSDESC_ASSOC_ID);
+ discon_rqst->associd.desc_len =
+ fcnvme_lsdesc_len(
+ sizeof(struct fcnvme_lsdesc_assoc_id));
+
+ discon_rqst->associd.association_id = cpu_to_be64(association_id);
+
+ discon_rqst->discon_cmd.desc_tag = cpu_to_be32(
+ FCNVME_LSDESC_DISCONN_CMD);
+ discon_rqst->discon_cmd.desc_len =
+ fcnvme_lsdesc_len(
+ sizeof(struct fcnvme_lsdesc_disconn_cmd));
+}
+
+static inline int
+nvmefc_vldt_lsreq_discon_assoc(u32 rqstlen,
+ struct fcnvme_ls_disconnect_assoc_rqst *rqst)
+{
+ int ret = 0;
+
+ if (rqstlen < sizeof(struct fcnvme_ls_disconnect_assoc_rqst))
+ ret = VERR_DISCONN_LEN;
+ else if (rqst->desc_list_len !=
+ fcnvme_lsdesc_len(
+ sizeof(struct fcnvme_ls_disconnect_assoc_rqst)))
+ ret = VERR_DISCONN_RQST_LEN;
+ else if (rqst->associd.desc_tag != cpu_to_be32(FCNVME_LSDESC_ASSOC_ID))
+ ret = VERR_ASSOC_ID;
+ else if (rqst->associd.desc_len !=
+ fcnvme_lsdesc_len(
+ sizeof(struct fcnvme_lsdesc_assoc_id)))
+ ret = VERR_ASSOC_ID_LEN;
+ else if (rqst->discon_cmd.desc_tag !=
+ cpu_to_be32(FCNVME_LSDESC_DISCONN_CMD))
+ ret = VERR_DISCONN_CMD;
+ else if (rqst->discon_cmd.desc_len !=
+ fcnvme_lsdesc_len(
+ sizeof(struct fcnvme_lsdesc_disconn_cmd)))
+ ret = VERR_DISCONN_CMD_LEN;
+ /*
+ * As the standard changed on the LS, check if old format and scope
+ * something other than Association (e.g. 0).
+ */
+ else if (rqst->discon_cmd.rsvd8[0])
+ ret = VERR_DISCONN_SCOPE;
+
+ return ret;
+}
+
+#endif /* _NVME_FC_TRANSPORT_H */
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index ec46693f6b64..69608755d415 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -171,7 +171,7 @@ struct nvme_nvm_bb_tbl {
__le32 tdresv;
__le32 thresv;
__le32 rsvd2[8];
- __u8 blk[0];
+ __u8 blk[];
};
struct nvme_nvm_id20_addrf {
@@ -961,7 +961,10 @@ int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node)
geo = &dev->geo;
geo->csecs = 1 << ns->lba_shift;
geo->sos = ns->ms;
- geo->ext = ns->ext;
+ if (ns->features & NVME_NS_EXT_LBAS)
+ geo->ext = true;
+ else
+ geo->ext = false;
geo->mdts = ns->ctrl->max_hw_sectors;
dev->q = q;
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 54603bd3e02d..da78e499947a 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -3,6 +3,7 @@
* Copyright (c) 2017-2018 Christoph Hellwig.
*/
+#include <linux/backing-dev.h>
#include <linux/moduleparam.h>
#include <trace/events/block.h>
#include "nvme.h"
@@ -293,7 +294,7 @@ static bool nvme_available_path(struct nvme_ns_head *head)
static blk_qc_t nvme_ns_head_make_request(struct request_queue *q,
struct bio *bio)
{
- struct nvme_ns_head *head = q->queuedata;
+ struct nvme_ns_head *head = bio->bi_disk->private_data;
struct device *dev = disk_to_dev(head->disk);
struct nvme_ns *ns;
blk_qc_t ret = BLK_QC_T_NONE;
@@ -371,13 +372,12 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
* We also do this for private namespaces as the namespace sharing data could
* change after a rescan.
*/
- if (!(ctrl->subsys->cmic & (1 << 1)) || !multipath)
+ if (!(ctrl->subsys->cmic & NVME_CTRL_CMIC_MULTI_CTRL) || !multipath)
return 0;
q = blk_alloc_queue(nvme_ns_head_make_request, ctrl->numa_node);
if (!q)
goto out;
- q->queuedata = head;
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* set to a default value for 512 until disk is validated */
blk_queue_logical_block_size(q, 512);
@@ -666,6 +666,13 @@ void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id)
nvme_mpath_set_live(ns);
mutex_unlock(&ns->head->lock);
}
+
+ if (bdi_cap_stable_pages_required(ns->queue->backing_dev_info)) {
+ struct backing_dev_info *info =
+ ns->head->disk->queue->backing_dev_info;
+
+ info->capabilities |= BDI_CAP_STABLE_WRITES;
+ }
}
void nvme_mpath_remove_disk(struct nvme_ns_head *head)
@@ -687,7 +694,8 @@ int nvme_mpath_init(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
int error;
/* check if multipath is enabled and we have the capability */
- if (!multipath || !ctrl->subsys || !(ctrl->subsys->cmic & (1 << 3)))
+ if (!multipath || !ctrl->subsys ||
+ !(ctrl->subsys->cmic & NVME_CTRL_CMIC_ANA))
return 0;
ctrl->anacap = id->anacap;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2e04a36296d9..fa5c75501049 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -16,6 +16,7 @@
#include <linux/fault-inject.h>
#include <linux/rcupdate.h>
#include <linux/wait.h>
+#include <linux/t10-pi.h>
#include <trace/events/block.h>
@@ -30,8 +31,10 @@ extern unsigned int admin_timeout;
#ifdef CONFIG_ARCH_NO_SG_CHAIN
#define NVME_INLINE_SG_CNT 0
+#define NVME_INLINE_METADATA_SG_CNT 0
#else
#define NVME_INLINE_SG_CNT 2
+#define NVME_INLINE_METADATA_SG_CNT 1
#endif
extern struct workqueue_struct *nvme_wq;
@@ -228,6 +231,7 @@ struct nvme_ctrl {
u32 page_size;
u32 max_hw_sectors;
u32 max_segments;
+ u32 max_integrity_segments;
u16 crdt[3];
u16 oncs;
u16 oacs;
@@ -352,6 +356,7 @@ struct nvme_ns_head {
struct nvme_ns_ids ids;
struct list_head entry;
struct kref ref;
+ bool shared;
int instance;
#ifdef CONFIG_NVME_MULTIPATH
struct gendisk *disk;
@@ -363,6 +368,11 @@ struct nvme_ns_head {
#endif
};
+enum nvme_ns_features {
+ NVME_NS_EXT_LBAS = 1 << 0, /* support extended LBA format */
+ NVME_NS_METADATA_SUPPORTED = 1 << 1, /* support getting generated md */
+};
+
struct nvme_ns {
struct list_head list;
@@ -382,18 +392,23 @@ struct nvme_ns {
u16 ms;
u16 sgs;
u32 sws;
- bool ext;
u8 pi_type;
+ unsigned long features;
unsigned long flags;
#define NVME_NS_REMOVING 0
#define NVME_NS_DEAD 1
#define NVME_NS_ANA_PENDING 2
- u16 noiob;
struct nvme_fault_inject fault_inject;
};
+/* NVMe ns supports metadata actions by the controller (generate/strip) */
+static inline bool nvme_ns_has_pi(struct nvme_ns *ns)
+{
+ return ns->pi_type && ns->ms == sizeof(struct t10_pi_tuple);
+}
+
struct nvme_ctrl_ops {
const char *name;
struct module *module;
@@ -449,6 +464,14 @@ static inline sector_t nvme_lba_to_sect(struct nvme_ns *ns, u64 lba)
return lba << (ns->lba_shift - SECTOR_SHIFT);
}
+/*
+ * Convert byte length to nvme's 0-based num dwords
+ */
+static inline u32 nvme_bytes_to_numd(size_t len)
+{
+ return (len >> 2) - 1;
+}
+
static inline void nvme_end_request(struct request *req, __le16 status,
union nvme_result result)
{
@@ -489,7 +512,6 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
void nvme_uninit_ctrl(struct nvme_ctrl *ctrl);
void nvme_start_ctrl(struct nvme_ctrl *ctrl);
void nvme_stop_ctrl(struct nvme_ctrl *ctrl);
-void nvme_put_ctrl(struct nvme_ctrl *ctrl);
int nvme_init_identify(struct nvme_ctrl *ctrl);
void nvme_remove_namespaces(struct nvme_ctrl *ctrl);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 4e79e412b276..d690d5593a80 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -68,14 +68,30 @@ static int io_queue_depth = 1024;
module_param_cb(io_queue_depth, &io_queue_depth_ops, &io_queue_depth, 0644);
MODULE_PARM_DESC(io_queue_depth, "set io queue depth, should >= 2");
+static int io_queue_count_set(const char *val, const struct kernel_param *kp)
+{
+ unsigned int n;
+ int ret;
+
+ ret = kstrtouint(val, 10, &n);
+ if (ret != 0 || n > num_possible_cpus())
+ return -EINVAL;
+ return param_set_uint(val, kp);
+}
+
+static const struct kernel_param_ops io_queue_count_ops = {
+ .set = io_queue_count_set,
+ .get = param_get_uint,
+};
+
static unsigned int write_queues;
-module_param(write_queues, uint, 0644);
+module_param_cb(write_queues, &io_queue_count_ops, &write_queues, 0644);
MODULE_PARM_DESC(write_queues,
"Number of queues to use for writes. If not set, reads and writes "
"will share a queue set.");
static unsigned int poll_queues;
-module_param(poll_queues, uint, 0644);
+module_param_cb(poll_queues, &io_queue_count_ops, &poll_queues, 0644);
MODULE_PARM_DESC(poll_queues, "Number of queues to use for polled IO.");
struct nvme_dev;
@@ -128,6 +144,9 @@ struct nvme_dev {
dma_addr_t host_mem_descs_dma;
struct nvme_host_mem_buf_desc *host_mem_descs;
void **host_mem_desc_bufs;
+ unsigned int nr_allocated_queues;
+ unsigned int nr_write_queues;
+ unsigned int nr_poll_queues;
};
static int io_queue_depth_set(const char *val, const struct kernel_param *kp)
@@ -166,14 +185,13 @@ struct nvme_queue {
void *sq_cmds;
/* only used for poll queues: */
spinlock_t cq_poll_lock ____cacheline_aligned_in_smp;
- volatile struct nvme_completion *cqes;
+ struct nvme_completion *cqes;
dma_addr_t sq_dma_addr;
dma_addr_t cq_dma_addr;
u32 __iomem *q_db;
u16 q_depth;
u16 cq_vector;
u16 sq_tail;
- u16 last_sq_tail;
u16 cq_head;
u16 qid;
u8 cq_phase;
@@ -209,25 +227,14 @@ struct nvme_iod {
struct scatterlist *sg;
};
-static unsigned int max_io_queues(void)
+static inline unsigned int nvme_dbbuf_size(struct nvme_dev *dev)
{
- return num_possible_cpus() + write_queues + poll_queues;
-}
-
-static unsigned int max_queue_count(void)
-{
- /* IO queues + admin queue */
- return 1 + max_io_queues();
-}
-
-static inline unsigned int nvme_dbbuf_size(u32 stride)
-{
- return (max_queue_count() * 8 * stride);
+ return dev->nr_allocated_queues * 8 * dev->db_stride;
}
static int nvme_dbbuf_dma_alloc(struct nvme_dev *dev)
{
- unsigned int mem_size = nvme_dbbuf_size(dev->db_stride);
+ unsigned int mem_size = nvme_dbbuf_size(dev);
if (dev->dbbuf_dbs)
return 0;
@@ -252,7 +259,7 @@ static int nvme_dbbuf_dma_alloc(struct nvme_dev *dev)
static void nvme_dbbuf_dma_free(struct nvme_dev *dev)
{
- unsigned int mem_size = nvme_dbbuf_size(dev->db_stride);
+ unsigned int mem_size = nvme_dbbuf_size(dev);
if (dev->dbbuf_dbs) {
dma_free_coherent(dev->dev, mem_size,
@@ -446,24 +453,11 @@ static int nvme_pci_map_queues(struct blk_mq_tag_set *set)
return 0;
}
-/*
- * Write sq tail if we are asked to, or if the next command would wrap.
- */
-static inline void nvme_write_sq_db(struct nvme_queue *nvmeq, bool write_sq)
+static inline void nvme_write_sq_db(struct nvme_queue *nvmeq)
{
- if (!write_sq) {
- u16 next_tail = nvmeq->sq_tail + 1;
-
- if (next_tail == nvmeq->q_depth)
- next_tail = 0;
- if (next_tail != nvmeq->last_sq_tail)
- return;
- }
-
if (nvme_dbbuf_update_and_check_event(nvmeq->sq_tail,
nvmeq->dbbuf_sq_db, nvmeq->dbbuf_sq_ei))
writel(nvmeq->sq_tail, nvmeq->q_db);
- nvmeq->last_sq_tail = nvmeq->sq_tail;
}
/**
@@ -480,7 +474,8 @@ static void nvme_submit_cmd(struct nvme_queue *nvmeq, struct nvme_command *cmd,
cmd, sizeof(*cmd));
if (++nvmeq->sq_tail == nvmeq->q_depth)
nvmeq->sq_tail = 0;
- nvme_write_sq_db(nvmeq, write_sq);
+ if (write_sq)
+ nvme_write_sq_db(nvmeq);
spin_unlock(&nvmeq->sq_lock);
}
@@ -489,8 +484,7 @@ static void nvme_commit_rqs(struct blk_mq_hw_ctx *hctx)
struct nvme_queue *nvmeq = hctx->driver_data;
spin_lock(&nvmeq->sq_lock);
- if (nvmeq->sq_tail != nvmeq->last_sq_tail)
- nvme_write_sq_db(nvmeq, true);
+ nvme_write_sq_db(nvmeq);
spin_unlock(&nvmeq->sq_lock);
}
@@ -922,8 +916,9 @@ static void nvme_pci_complete_rq(struct request *req)
/* We read the CQE phase first to check if the rest of the entry is valid */
static inline bool nvme_cqe_pending(struct nvme_queue *nvmeq)
{
- return (le16_to_cpu(nvmeq->cqes[nvmeq->cq_head].status) & 1) ==
- nvmeq->cq_phase;
+ struct nvme_completion *hcqe = &nvmeq->cqes[nvmeq->cq_head];
+
+ return (le16_to_cpu(READ_ONCE(hcqe->status)) & 1) == nvmeq->cq_phase;
}
static inline void nvme_ring_cq_doorbell(struct nvme_queue *nvmeq)
@@ -944,7 +939,7 @@ static inline struct blk_mq_tags *nvme_queue_tagset(struct nvme_queue *nvmeq)
static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
{
- volatile struct nvme_completion *cqe = &nvmeq->cqes[idx];
+ struct nvme_completion *cqe = &nvmeq->cqes[idx];
struct request *req;
if (unlikely(cqe->command_id >= nvmeq->q_depth)) {
@@ -973,9 +968,13 @@ static inline void nvme_handle_cqe(struct nvme_queue *nvmeq, u16 idx)
static inline void nvme_update_cq_head(struct nvme_queue *nvmeq)
{
- if (++nvmeq->cq_head == nvmeq->q_depth) {
+ u16 tmp = nvmeq->cq_head + 1;
+
+ if (tmp == nvmeq->q_depth) {
nvmeq->cq_head = 0;
nvmeq->cq_phase ^= 1;
+ } else {
+ nvmeq->cq_head = tmp;
}
}
@@ -985,6 +984,11 @@ static inline int nvme_process_cq(struct nvme_queue *nvmeq)
while (nvme_cqe_pending(nvmeq)) {
found++;
+ /*
+ * load-load control dependency between phase and the rest of
+ * the cqe requires a full read memory barrier
+ */
+ dma_rmb();
nvme_handle_cqe(nvmeq, nvmeq->cq_head);
nvme_update_cq_head(nvmeq);
}
@@ -1373,16 +1377,19 @@ static void nvme_disable_admin_queue(struct nvme_dev *dev, bool shutdown)
/*
* Called only on a device that has been disabled and after all other threads
- * that can check this device's completion queues have synced. This is the
- * last chance for the driver to see a natural completion before
- * nvme_cancel_request() terminates all incomplete requests.
+ * that can check this device's completion queues have synced, except
+ * nvme_poll(). This is the last chance for the driver to see a natural
+ * completion before nvme_cancel_request() terminates all incomplete requests.
*/
static void nvme_reap_pending_cqes(struct nvme_dev *dev)
{
int i;
- for (i = dev->ctrl.queue_count - 1; i > 0; i--)
+ for (i = dev->ctrl.queue_count - 1; i > 0; i--) {
+ spin_lock(&dev->queues[i].cq_poll_lock);
nvme_process_cq(&dev->queues[i]);
+ spin_unlock(&dev->queues[i].cq_poll_lock);
+ }
}
static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues,
@@ -1489,7 +1496,6 @@ static void nvme_init_queue(struct nvme_queue *nvmeq, u16 qid)
struct nvme_dev *dev = nvmeq->dev;
nvmeq->sq_tail = 0;
- nvmeq->last_sq_tail = 0;
nvmeq->cq_head = 0;
nvmeq->cq_phase = 1;
nvmeq->q_db = &dev->dbs[qid * 2 * dev->db_stride];
@@ -1991,7 +1997,7 @@ static int nvme_setup_host_mem(struct nvme_dev *dev)
static void nvme_calc_irq_sets(struct irq_affinity *affd, unsigned int nrirqs)
{
struct nvme_dev *dev = affd->priv;
- unsigned int nr_read_queues;
+ unsigned int nr_read_queues, nr_write_queues = dev->nr_write_queues;
/*
* If there is no interupt available for queues, ensure that
@@ -2007,12 +2013,12 @@ static void nvme_calc_irq_sets(struct irq_affinity *affd, unsigned int nrirqs)
if (!nrirqs) {
nrirqs = 1;
nr_read_queues = 0;
- } else if (nrirqs == 1 || !write_queues) {
+ } else if (nrirqs == 1 || !nr_write_queues) {
nr_read_queues = 0;
- } else if (write_queues >= nrirqs) {
+ } else if (nr_write_queues >= nrirqs) {
nr_read_queues = 1;
} else {
- nr_read_queues = nrirqs - write_queues;
+ nr_read_queues = nrirqs - nr_write_queues;
}
dev->io_queues[HCTX_TYPE_DEFAULT] = nrirqs - nr_read_queues;
@@ -2036,7 +2042,7 @@ static int nvme_setup_irqs(struct nvme_dev *dev, unsigned int nr_io_queues)
* Poll queues don't need interrupts, but we need at least one IO
* queue left over for non-polled IO.
*/
- this_p_queues = poll_queues;
+ this_p_queues = dev->nr_poll_queues;
if (this_p_queues >= nr_io_queues) {
this_p_queues = nr_io_queues - 1;
irq_queues = 1;
@@ -2066,14 +2072,25 @@ static void nvme_disable_io_queues(struct nvme_dev *dev)
__nvme_disable_io_queues(dev, nvme_admin_delete_cq);
}
+static unsigned int nvme_max_io_queues(struct nvme_dev *dev)
+{
+ return num_possible_cpus() + dev->nr_write_queues + dev->nr_poll_queues;
+}
+
static int nvme_setup_io_queues(struct nvme_dev *dev)
{
struct nvme_queue *adminq = &dev->queues[0];
struct pci_dev *pdev = to_pci_dev(dev->dev);
- int result, nr_io_queues;
+ unsigned int nr_io_queues;
unsigned long size;
+ int result;
- nr_io_queues = max_io_queues();
+ /*
+ * Sample the module parameters once at reset time so that we have
+ * stable values to work with.
+ */
+ dev->nr_write_queues = write_queues;
+ dev->nr_poll_queues = poll_queues;
/*
* If tags are shared with admin queue (Apple bug), then
@@ -2081,6 +2098,9 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
*/
if (dev->ctrl.quirks & NVME_QUIRK_SHARED_TAGS)
nr_io_queues = 1;
+ else
+ nr_io_queues = min(nvme_max_io_queues(dev),
+ dev->nr_allocated_queues - 1);
result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues);
if (result < 0)
@@ -2553,6 +2573,12 @@ static void nvme_reset_work(struct work_struct *work)
goto out;
}
+ /*
+ * We do not support an SGL for metadata (yet), so we are limited to a
+ * single integrity segment for the separate metadata pointer.
+ */
+ dev->ctrl.max_integrity_segments = 1;
+
result = nvme_init_identify(&dev->ctrl);
if (result)
goto out;
@@ -2755,8 +2781,11 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (!dev)
return -ENOMEM;
- dev->queues = kcalloc_node(max_queue_count(), sizeof(struct nvme_queue),
- GFP_KERNEL, node);
+ dev->nr_write_queues = write_queues;
+ dev->nr_poll_queues = poll_queues;
+ dev->nr_allocated_queues = nvme_max_io_queues(dev) + 1;
+ dev->queues = kcalloc_node(dev->nr_allocated_queues,
+ sizeof(struct nvme_queue), GFP_KERNEL, node);
if (!dev->queues)
goto free;
@@ -3119,8 +3148,6 @@ static int __init nvme_init(void)
BUILD_BUG_ON(sizeof(struct nvme_delete_queue) != 64);
BUILD_BUG_ON(IRQ_AFFINITY_MAX_SETS < 2);
- write_queues = min(write_queues, num_possible_cpus());
- poll_queues = min(poll_queues, num_possible_cpus());
return pci_register_driver(&nvme_driver);
}
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index cac8a930396a..f8f856dc0c67 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -34,6 +34,11 @@
#define NVME_RDMA_MAX_INLINE_SEGMENTS 4
+#define NVME_RDMA_DATA_SGL_SIZE \
+ (sizeof(struct scatterlist) * NVME_INLINE_SG_CNT)
+#define NVME_RDMA_METADATA_SGL_SIZE \
+ (sizeof(struct scatterlist) * NVME_INLINE_METADATA_SG_CNT)
+
struct nvme_rdma_device {
struct ib_device *dev;
struct ib_pd *pd;
@@ -48,6 +53,11 @@ struct nvme_rdma_qe {
u64 dma;
};
+struct nvme_rdma_sgl {
+ int nents;
+ struct sg_table sg_table;
+};
+
struct nvme_rdma_queue;
struct nvme_rdma_request {
struct nvme_request req;
@@ -58,12 +68,12 @@ struct nvme_rdma_request {
refcount_t ref;
struct ib_sge sge[1 + NVME_RDMA_MAX_INLINE_SEGMENTS];
u32 num_sge;
- int nents;
struct ib_reg_wr reg_wr;
struct ib_cqe reg_cqe;
struct nvme_rdma_queue *queue;
- struct sg_table sg_table;
- struct scatterlist first_sgl[];
+ struct nvme_rdma_sgl data_sgl;
+ struct nvme_rdma_sgl *metadata_sgl;
+ bool use_sig_mr;
};
enum nvme_rdma_queue_flags {
@@ -85,6 +95,7 @@ struct nvme_rdma_queue {
struct rdma_cm_id *cm_id;
int cm_error;
struct completion cm_done;
+ bool pi_support;
};
struct nvme_rdma_ctrl {
@@ -261,6 +272,8 @@ static int nvme_rdma_create_qp(struct nvme_rdma_queue *queue, const int factor)
init_attr.qp_type = IB_QPT_RC;
init_attr.send_cq = queue->ib_cq;
init_attr.recv_cq = queue->ib_cq;
+ if (queue->pi_support)
+ init_attr.create_flags |= IB_QP_CREATE_INTEGRITY_EN;
ret = rdma_create_qp(queue->cm_id, dev->pd, &init_attr);
@@ -290,6 +303,12 @@ static int nvme_rdma_init_request(struct blk_mq_tag_set *set,
if (!req->sqe.data)
return -ENOMEM;
+ /* metadata nvme_rdma_sgl struct is located after command's data SGL */
+ if (queue->pi_support)
+ req->metadata_sgl = (void *)nvme_req(rq) +
+ sizeof(struct nvme_rdma_request) +
+ NVME_RDMA_DATA_SGL_SIZE;
+
req->queue = queue;
return 0;
@@ -400,6 +419,8 @@ static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue)
dev = queue->device;
ibdev = dev->dev;
+ if (queue->pi_support)
+ ib_mr_pool_destroy(queue->qp, &queue->qp->sig_mrs);
ib_mr_pool_destroy(queue->qp, &queue->qp->rdma_mrs);
/*
@@ -416,10 +437,16 @@ static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue)
nvme_rdma_dev_put(dev);
}
-static int nvme_rdma_get_max_fr_pages(struct ib_device *ibdev)
+static int nvme_rdma_get_max_fr_pages(struct ib_device *ibdev, bool pi_support)
{
- return min_t(u32, NVME_RDMA_MAX_SEGMENTS,
- ibdev->attrs.max_fast_reg_page_list_len - 1);
+ u32 max_page_list_len;
+
+ if (pi_support)
+ max_page_list_len = ibdev->attrs.max_pi_fast_reg_page_list_len;
+ else
+ max_page_list_len = ibdev->attrs.max_fast_reg_page_list_len;
+
+ return min_t(u32, NVME_RDMA_MAX_SEGMENTS, max_page_list_len - 1);
}
static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue)
@@ -476,7 +503,7 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue)
* misaligned we'll end up using two entries for a single data page,
* so one additional entry is required.
*/
- pages_per_mr = nvme_rdma_get_max_fr_pages(ibdev) + 1;
+ pages_per_mr = nvme_rdma_get_max_fr_pages(ibdev, queue->pi_support) + 1;
ret = ib_mr_pool_init(queue->qp, &queue->qp->rdma_mrs,
queue->queue_size,
IB_MR_TYPE_MEM_REG,
@@ -488,10 +515,24 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue)
goto out_destroy_ring;
}
+ if (queue->pi_support) {
+ ret = ib_mr_pool_init(queue->qp, &queue->qp->sig_mrs,
+ queue->queue_size, IB_MR_TYPE_INTEGRITY,
+ pages_per_mr, pages_per_mr);
+ if (ret) {
+ dev_err(queue->ctrl->ctrl.device,
+ "failed to initialize PI MR pool sized %d for QID %d\n",
+ queue->queue_size, idx);
+ goto out_destroy_mr_pool;
+ }
+ }
+
set_bit(NVME_RDMA_Q_TR_READY, &queue->flags);
return 0;
+out_destroy_mr_pool:
+ ib_mr_pool_destroy(queue->qp, &queue->qp->rdma_mrs);
out_destroy_ring:
nvme_rdma_free_ring(ibdev, queue->rsp_ring, queue->queue_size,
sizeof(struct nvme_completion), DMA_FROM_DEVICE);
@@ -513,6 +554,10 @@ static int nvme_rdma_alloc_queue(struct nvme_rdma_ctrl *ctrl,
queue = &ctrl->queues[idx];
queue->ctrl = ctrl;
+ if (idx && ctrl->ctrl.max_integrity_segments)
+ queue->pi_support = true;
+ else
+ queue->pi_support = false;
init_completion(&queue->cm_done);
if (idx > 0)
@@ -723,7 +768,7 @@ static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl,
set->reserved_tags = 2; /* connect + keep-alive */
set->numa_node = nctrl->numa_node;
set->cmd_size = sizeof(struct nvme_rdma_request) +
- NVME_INLINE_SG_CNT * sizeof(struct scatterlist);
+ NVME_RDMA_DATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = 1;
set->timeout = ADMIN_TIMEOUT;
@@ -737,7 +782,10 @@ static struct blk_mq_tag_set *nvme_rdma_alloc_tagset(struct nvme_ctrl *nctrl,
set->numa_node = nctrl->numa_node;
set->flags = BLK_MQ_F_SHOULD_MERGE;
set->cmd_size = sizeof(struct nvme_rdma_request) +
- NVME_INLINE_SG_CNT * sizeof(struct scatterlist);
+ NVME_RDMA_DATA_SGL_SIZE;
+ if (nctrl->max_integrity_segments)
+ set->cmd_size += sizeof(struct nvme_rdma_sgl) +
+ NVME_RDMA_METADATA_SGL_SIZE;
set->driver_data = ctrl;
set->nr_hw_queues = nctrl->queue_count - 1;
set->timeout = NVME_IO_TIMEOUT;
@@ -770,6 +818,7 @@ static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl,
static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
bool new)
{
+ bool pi_capable = false;
int error;
error = nvme_rdma_alloc_queue(ctrl, 0, NVME_AQ_DEPTH);
@@ -779,7 +828,13 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
ctrl->device = ctrl->queues[0].device;
ctrl->ctrl.numa_node = dev_to_node(ctrl->device->dev->dma_device);
- ctrl->max_fr_pages = nvme_rdma_get_max_fr_pages(ctrl->device->dev);
+ /* T10-PI support */
+ if (ctrl->device->dev->attrs.device_cap_flags &
+ IB_DEVICE_INTEGRITY_HANDOVER)
+ pi_capable = true;
+
+ ctrl->max_fr_pages = nvme_rdma_get_max_fr_pages(ctrl->device->dev,
+ pi_capable);
/*
* Bind the async event SQE DMA mapping to the admin queue lifetime.
@@ -821,6 +876,10 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl,
ctrl->ctrl.max_segments = ctrl->max_fr_pages;
ctrl->ctrl.max_hw_sectors = ctrl->max_fr_pages << (ilog2(SZ_4K) - 9);
+ if (pi_capable)
+ ctrl->ctrl.max_integrity_segments = ctrl->max_fr_pages;
+ else
+ ctrl->ctrl.max_integrity_segments = 0;
blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
@@ -1149,17 +1208,29 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue,
struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_rdma_device *dev = queue->device;
struct ib_device *ibdev = dev->dev;
+ struct list_head *pool = &queue->qp->rdma_mrs;
if (!blk_rq_nr_phys_segments(rq))
return;
+ if (blk_integrity_rq(rq)) {
+ ib_dma_unmap_sg(ibdev, req->metadata_sgl->sg_table.sgl,
+ req->metadata_sgl->nents, rq_dma_dir(rq));
+ sg_free_table_chained(&req->metadata_sgl->sg_table,
+ NVME_INLINE_METADATA_SG_CNT);
+ }
+
+ if (req->use_sig_mr)
+ pool = &queue->qp->sig_mrs;
+
if (req->mr) {
- ib_mr_pool_put(queue->qp, &queue->qp->rdma_mrs, req->mr);
+ ib_mr_pool_put(queue->qp, pool, req->mr);
req->mr = NULL;
}
- ib_dma_unmap_sg(ibdev, req->sg_table.sgl, req->nents, rq_dma_dir(rq));
- sg_free_table_chained(&req->sg_table, NVME_INLINE_SG_CNT);
+ ib_dma_unmap_sg(ibdev, req->data_sgl.sg_table.sgl, req->data_sgl.nents,
+ rq_dma_dir(rq));
+ sg_free_table_chained(&req->data_sgl.sg_table, NVME_INLINE_SG_CNT);
}
static int nvme_rdma_set_sg_null(struct nvme_command *c)
@@ -1178,7 +1249,7 @@ static int nvme_rdma_map_sg_inline(struct nvme_rdma_queue *queue,
int count)
{
struct nvme_sgl_desc *sg = &c->common.dptr.sgl;
- struct scatterlist *sgl = req->sg_table.sgl;
+ struct scatterlist *sgl = req->data_sgl.sg_table.sgl;
struct ib_sge *sge = &req->sge[1];
u32 len = 0;
int i;
@@ -1203,8 +1274,8 @@ static int nvme_rdma_map_sg_single(struct nvme_rdma_queue *queue,
{
struct nvme_keyed_sgl_desc *sg = &c->common.dptr.ksgl;
- sg->addr = cpu_to_le64(sg_dma_address(req->sg_table.sgl));
- put_unaligned_le24(sg_dma_len(req->sg_table.sgl), sg->length);
+ sg->addr = cpu_to_le64(sg_dma_address(req->data_sgl.sg_table.sgl));
+ put_unaligned_le24(sg_dma_len(req->data_sgl.sg_table.sgl), sg->length);
put_unaligned_le32(queue->device->pd->unsafe_global_rkey, sg->key);
sg->type = NVME_KEY_SGL_FMT_DATA_DESC << 4;
return 0;
@@ -1225,7 +1296,8 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue *queue,
* Align the MR to a 4K page size to match the ctrl page size and
* the block virtual boundary.
*/
- nr = ib_map_mr_sg(req->mr, req->sg_table.sgl, count, NULL, SZ_4K);
+ nr = ib_map_mr_sg(req->mr, req->data_sgl.sg_table.sgl, count, NULL,
+ SZ_4K);
if (unlikely(nr < count)) {
ib_mr_pool_put(queue->qp, &queue->qp->rdma_mrs, req->mr);
req->mr = NULL;
@@ -1256,12 +1328,125 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue *queue,
return 0;
}
+static void nvme_rdma_set_sig_domain(struct blk_integrity *bi,
+ struct nvme_command *cmd, struct ib_sig_domain *domain,
+ u16 control, u8 pi_type)
+{
+ domain->sig_type = IB_SIG_TYPE_T10_DIF;
+ domain->sig.dif.bg_type = IB_T10DIF_CRC;
+ domain->sig.dif.pi_interval = 1 << bi->interval_exp;
+ domain->sig.dif.ref_tag = le32_to_cpu(cmd->rw.reftag);
+ if (control & NVME_RW_PRINFO_PRCHK_REF)
+ domain->sig.dif.ref_remap = true;
+
+ domain->sig.dif.app_tag = le16_to_cpu(cmd->rw.apptag);
+ domain->sig.dif.apptag_check_mask = le16_to_cpu(cmd->rw.appmask);
+ domain->sig.dif.app_escape = true;
+ if (pi_type == NVME_NS_DPS_PI_TYPE3)
+ domain->sig.dif.ref_escape = true;
+}
+
+static void nvme_rdma_set_sig_attrs(struct blk_integrity *bi,
+ struct nvme_command *cmd, struct ib_sig_attrs *sig_attrs,
+ u8 pi_type)
+{
+ u16 control = le16_to_cpu(cmd->rw.control);
+
+ memset(sig_attrs, 0, sizeof(*sig_attrs));
+ if (control & NVME_RW_PRINFO_PRACT) {
+ /* for WRITE_INSERT/READ_STRIP no memory domain */
+ sig_attrs->mem.sig_type = IB_SIG_TYPE_NONE;
+ nvme_rdma_set_sig_domain(bi, cmd, &sig_attrs->wire, control,
+ pi_type);
+ /* Clear the PRACT bit since HCA will generate/verify the PI */
+ control &= ~NVME_RW_PRINFO_PRACT;
+ cmd->rw.control = cpu_to_le16(control);
+ } else {
+ /* for WRITE_PASS/READ_PASS both wire/memory domains exist */
+ nvme_rdma_set_sig_domain(bi, cmd, &sig_attrs->wire, control,
+ pi_type);
+ nvme_rdma_set_sig_domain(bi, cmd, &sig_attrs->mem, control,
+ pi_type);
+ }
+}
+
+static void nvme_rdma_set_prot_checks(struct nvme_command *cmd, u8 *mask)
+{
+ *mask = 0;
+ if (le16_to_cpu(cmd->rw.control) & NVME_RW_PRINFO_PRCHK_REF)
+ *mask |= IB_SIG_CHECK_REFTAG;
+ if (le16_to_cpu(cmd->rw.control) & NVME_RW_PRINFO_PRCHK_GUARD)
+ *mask |= IB_SIG_CHECK_GUARD;
+}
+
+static void nvme_rdma_sig_done(struct ib_cq *cq, struct ib_wc *wc)
+{
+ if (unlikely(wc->status != IB_WC_SUCCESS))
+ nvme_rdma_wr_error(cq, wc, "SIG");
+}
+
+static int nvme_rdma_map_sg_pi(struct nvme_rdma_queue *queue,
+ struct nvme_rdma_request *req, struct nvme_command *c,
+ int count, int pi_count)
+{
+ struct nvme_rdma_sgl *sgl = &req->data_sgl;
+ struct ib_reg_wr *wr = &req->reg_wr;
+ struct request *rq = blk_mq_rq_from_pdu(req);
+ struct nvme_ns *ns = rq->q->queuedata;
+ struct bio *bio = rq->bio;
+ struct nvme_keyed_sgl_desc *sg = &c->common.dptr.ksgl;
+ int nr;
+
+ req->mr = ib_mr_pool_get(queue->qp, &queue->qp->sig_mrs);
+ if (WARN_ON_ONCE(!req->mr))
+ return -EAGAIN;
+
+ nr = ib_map_mr_sg_pi(req->mr, sgl->sg_table.sgl, count, NULL,
+ req->metadata_sgl->sg_table.sgl, pi_count, NULL,
+ SZ_4K);
+ if (unlikely(nr))
+ goto mr_put;
+
+ nvme_rdma_set_sig_attrs(blk_get_integrity(bio->bi_disk), c,
+ req->mr->sig_attrs, ns->pi_type);
+ nvme_rdma_set_prot_checks(c, &req->mr->sig_attrs->check_mask);
+
+ ib_update_fast_reg_key(req->mr, ib_inc_rkey(req->mr->rkey));
+
+ req->reg_cqe.done = nvme_rdma_sig_done;
+ memset(wr, 0, sizeof(*wr));
+ wr->wr.opcode = IB_WR_REG_MR_INTEGRITY;
+ wr->wr.wr_cqe = &req->reg_cqe;
+ wr->wr.num_sge = 0;
+ wr->wr.send_flags = 0;
+ wr->mr = req->mr;
+ wr->key = req->mr->rkey;
+ wr->access = IB_ACCESS_LOCAL_WRITE |
+ IB_ACCESS_REMOTE_READ |
+ IB_ACCESS_REMOTE_WRITE;
+
+ sg->addr = cpu_to_le64(req->mr->iova);
+ put_unaligned_le24(req->mr->length, sg->length);
+ put_unaligned_le32(req->mr->rkey, sg->key);
+ sg->type = NVME_KEY_SGL_FMT_DATA_DESC << 4;
+
+ return 0;
+
+mr_put:
+ ib_mr_pool_put(queue->qp, &queue->qp->sig_mrs, req->mr);
+ req->mr = NULL;
+ if (nr < 0)
+ return nr;
+ return -EINVAL;
+}
+
static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
struct request *rq, struct nvme_command *c)
{
struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_rdma_device *dev = queue->device;
struct ib_device *ibdev = dev->dev;
+ int pi_count = 0;
int count, ret;
req->num_sge = 1;
@@ -1272,22 +1457,52 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
if (!blk_rq_nr_phys_segments(rq))
return nvme_rdma_set_sg_null(c);
- req->sg_table.sgl = req->first_sgl;
- ret = sg_alloc_table_chained(&req->sg_table,
- blk_rq_nr_phys_segments(rq), req->sg_table.sgl,
+ req->data_sgl.sg_table.sgl = (struct scatterlist *)(req + 1);
+ ret = sg_alloc_table_chained(&req->data_sgl.sg_table,
+ blk_rq_nr_phys_segments(rq), req->data_sgl.sg_table.sgl,
NVME_INLINE_SG_CNT);
if (ret)
return -ENOMEM;
- req->nents = blk_rq_map_sg(rq->q, rq, req->sg_table.sgl);
+ req->data_sgl.nents = blk_rq_map_sg(rq->q, rq,
+ req->data_sgl.sg_table.sgl);
- count = ib_dma_map_sg(ibdev, req->sg_table.sgl, req->nents,
- rq_dma_dir(rq));
+ count = ib_dma_map_sg(ibdev, req->data_sgl.sg_table.sgl,
+ req->data_sgl.nents, rq_dma_dir(rq));
if (unlikely(count <= 0)) {
ret = -EIO;
goto out_free_table;
}
+ if (blk_integrity_rq(rq)) {
+ req->metadata_sgl->sg_table.sgl =
+ (struct scatterlist *)(req->metadata_sgl + 1);
+ ret = sg_alloc_table_chained(&req->metadata_sgl->sg_table,
+ blk_rq_count_integrity_sg(rq->q, rq->bio),
+ req->metadata_sgl->sg_table.sgl,
+ NVME_INLINE_METADATA_SG_CNT);
+ if (unlikely(ret)) {
+ ret = -ENOMEM;
+ goto out_unmap_sg;
+ }
+
+ req->metadata_sgl->nents = blk_rq_map_integrity_sg(rq->q,
+ rq->bio, req->metadata_sgl->sg_table.sgl);
+ pi_count = ib_dma_map_sg(ibdev,
+ req->metadata_sgl->sg_table.sgl,
+ req->metadata_sgl->nents,
+ rq_dma_dir(rq));
+ if (unlikely(pi_count <= 0)) {
+ ret = -EIO;
+ goto out_free_pi_table;
+ }
+ }
+
+ if (req->use_sig_mr) {
+ ret = nvme_rdma_map_sg_pi(queue, req, c, count, pi_count);
+ goto out;
+ }
+
if (count <= dev->num_inline_segments) {
if (rq_data_dir(rq) == WRITE && nvme_rdma_queue_idx(queue) &&
queue->ctrl->use_inline_data &&
@@ -1306,14 +1521,23 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
ret = nvme_rdma_map_sg_fr(queue, req, c, count);
out:
if (unlikely(ret))
- goto out_unmap_sg;
+ goto out_unmap_pi_sg;
return 0;
+out_unmap_pi_sg:
+ if (blk_integrity_rq(rq))
+ ib_dma_unmap_sg(ibdev, req->metadata_sgl->sg_table.sgl,
+ req->metadata_sgl->nents, rq_dma_dir(rq));
+out_free_pi_table:
+ if (blk_integrity_rq(rq))
+ sg_free_table_chained(&req->metadata_sgl->sg_table,
+ NVME_INLINE_METADATA_SG_CNT);
out_unmap_sg:
- ib_dma_unmap_sg(ibdev, req->sg_table.sgl, req->nents, rq_dma_dir(rq));
+ ib_dma_unmap_sg(ibdev, req->data_sgl.sg_table.sgl, req->data_sgl.nents,
+ rq_dma_dir(rq));
out_free_table:
- sg_free_table_chained(&req->sg_table, NVME_INLINE_SG_CNT);
+ sg_free_table_chained(&req->data_sgl.sg_table, NVME_INLINE_SG_CNT);
return ret;
}
@@ -1761,6 +1985,15 @@ static blk_status_t nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx,
blk_mq_start_request(rq);
+ if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) &&
+ queue->pi_support &&
+ (c->common.opcode == nvme_cmd_write ||
+ c->common.opcode == nvme_cmd_read) &&
+ nvme_ns_has_pi(ns))
+ req->use_sig_mr = true;
+ else
+ req->use_sig_mr = false;
+
err = nvme_rdma_map_data(queue, rq, c);
if (unlikely(err < 0)) {
dev_err(queue->ctrl->ctrl.device,
@@ -1801,12 +2034,46 @@ static int nvme_rdma_poll(struct blk_mq_hw_ctx *hctx)
return ib_process_cq_direct(queue->ib_cq, -1);
}
+static void nvme_rdma_check_pi_status(struct nvme_rdma_request *req)
+{
+ struct request *rq = blk_mq_rq_from_pdu(req);
+ struct ib_mr_status mr_status;
+ int ret;
+
+ ret = ib_check_mr_status(req->mr, IB_MR_CHECK_SIG_STATUS, &mr_status);
+ if (ret) {
+ pr_err("ib_check_mr_status failed, ret %d\n", ret);
+ nvme_req(rq)->status = NVME_SC_INVALID_PI;
+ return;
+ }
+
+ if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) {
+ switch (mr_status.sig_err.err_type) {
+ case IB_SIG_BAD_GUARD:
+ nvme_req(rq)->status = NVME_SC_GUARD_CHECK;
+ break;
+ case IB_SIG_BAD_REFTAG:
+ nvme_req(rq)->status = NVME_SC_REFTAG_CHECK;
+ break;
+ case IB_SIG_BAD_APPTAG:
+ nvme_req(rq)->status = NVME_SC_APPTAG_CHECK;
+ break;
+ }
+ pr_err("PI error found type %d expected 0x%x vs actual 0x%x\n",
+ mr_status.sig_err.err_type, mr_status.sig_err.expected,
+ mr_status.sig_err.actual);
+ }
+}
+
static void nvme_rdma_complete_rq(struct request *rq)
{
struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
struct nvme_rdma_queue *queue = req->queue;
struct ib_device *ibdev = queue->device->dev;
+ if (req->use_sig_mr)
+ nvme_rdma_check_pi_status(req);
+
nvme_rdma_unmap_data(queue, rq);
ib_dma_unmap_single(ibdev, req->sqe.dma, sizeof(struct nvme_command),
DMA_TO_DEVICE);
@@ -1926,7 +2193,7 @@ out_fail:
static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = {
.name = "rdma",
.module = THIS_MODULE,
- .flags = NVME_F_FABRICS,
+ .flags = NVME_F_FABRICS | NVME_F_METADATA_SUPPORTED,
.reg_read32 = nvmf_reg_read32,
.reg_read64 = nvmf_reg_read64,
.reg_write32 = nvmf_reg_write32,
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index c15a92163c1f..1843110ec34f 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -60,6 +60,7 @@ struct nvme_tcp_request {
enum nvme_tcp_queue_flags {
NVME_TCP_Q_ALLOCATED = 0,
NVME_TCP_Q_LIVE = 1,
+ NVME_TCP_Q_POLLING = 2,
};
enum nvme_tcp_recv_state {
@@ -75,6 +76,7 @@ struct nvme_tcp_queue {
int io_cpu;
spinlock_t lock;
+ struct mutex send_mutex;
struct list_head send_list;
/* recv state */
@@ -131,6 +133,7 @@ static DEFINE_MUTEX(nvme_tcp_ctrl_mutex);
static struct workqueue_struct *nvme_tcp_wq;
static struct blk_mq_ops nvme_tcp_mq_ops;
static struct blk_mq_ops nvme_tcp_admin_mq_ops;
+static int nvme_tcp_try_send(struct nvme_tcp_queue *queue);
static inline struct nvme_tcp_ctrl *to_tcp_ctrl(struct nvme_ctrl *ctrl)
{
@@ -257,15 +260,29 @@ static inline void nvme_tcp_advance_req(struct nvme_tcp_request *req,
}
}
-static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req)
+static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
+ bool sync)
{
struct nvme_tcp_queue *queue = req->queue;
+ bool empty;
spin_lock(&queue->lock);
+ empty = list_empty(&queue->send_list) && !queue->request;
list_add_tail(&req->entry, &queue->send_list);
spin_unlock(&queue->lock);
- queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
+ /*
+ * if we're the first on the send_list and we can try to send
+ * directly, otherwise queue io_work. Also, only do that if we
+ * are on the same cpu, so we don't introduce contention.
+ */
+ if (queue->io_cpu == smp_processor_id() &&
+ sync && empty && mutex_trylock(&queue->send_mutex)) {
+ nvme_tcp_try_send(queue);
+ mutex_unlock(&queue->send_mutex);
+ } else {
+ queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
+ }
}
static inline struct nvme_tcp_request *
@@ -578,7 +595,7 @@ static int nvme_tcp_handle_r2t(struct nvme_tcp_queue *queue,
req->state = NVME_TCP_SEND_H2C_PDU;
req->offset = 0;
- nvme_tcp_queue_request(req);
+ nvme_tcp_queue_request(req, false);
return 0;
}
@@ -794,11 +811,12 @@ static void nvme_tcp_data_ready(struct sock *sk)
{
struct nvme_tcp_queue *queue;
- read_lock(&sk->sk_callback_lock);
+ read_lock_bh(&sk->sk_callback_lock);
queue = sk->sk_user_data;
- if (likely(queue && queue->rd_enabled))
+ if (likely(queue && queue->rd_enabled) &&
+ !test_bit(NVME_TCP_Q_POLLING, &queue->flags))
queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
- read_unlock(&sk->sk_callback_lock);
+ read_unlock_bh(&sk->sk_callback_lock);
}
static void nvme_tcp_write_space(struct sock *sk)
@@ -867,7 +885,7 @@ static int nvme_tcp_try_send_data(struct nvme_tcp_request *req)
if (last && !queue->data_digest)
flags |= MSG_EOR;
else
- flags |= MSG_MORE;
+ flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST;
/* can't zcopy slab pages */
if (unlikely(PageSlab(page))) {
@@ -906,11 +924,16 @@ static int nvme_tcp_try_send_cmd_pdu(struct nvme_tcp_request *req)
struct nvme_tcp_queue *queue = req->queue;
struct nvme_tcp_cmd_pdu *pdu = req->pdu;
bool inline_data = nvme_tcp_has_inline_data(req);
- int flags = MSG_DONTWAIT | (inline_data ? MSG_MORE : MSG_EOR);
u8 hdgst = nvme_tcp_hdgst_len(queue);
int len = sizeof(*pdu) + hdgst - req->offset;
+ int flags = MSG_DONTWAIT;
int ret;
+ if (inline_data)
+ flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST;
+ else
+ flags |= MSG_EOR;
+
if (queue->hdr_digest && !req->offset)
nvme_tcp_hdgst(queue->snd_hash, pdu, sizeof(*pdu));
@@ -949,7 +972,7 @@ static int nvme_tcp_try_send_data_pdu(struct nvme_tcp_request *req)
ret = kernel_sendpage(queue->sock, virt_to_page(pdu),
offset_in_page(pdu) + req->offset, len,
- MSG_DONTWAIT | MSG_MORE);
+ MSG_DONTWAIT | MSG_MORE | MSG_SENDPAGE_NOTLAST);
if (unlikely(ret <= 0))
return ret;
@@ -1063,11 +1086,14 @@ static void nvme_tcp_io_work(struct work_struct *w)
bool pending = false;
int result;
- result = nvme_tcp_try_send(queue);
- if (result > 0)
- pending = true;
- else if (unlikely(result < 0))
- break;
+ if (mutex_trylock(&queue->send_mutex)) {
+ result = nvme_tcp_try_send(queue);
+ mutex_unlock(&queue->send_mutex);
+ if (result > 0)
+ pending = true;
+ else if (unlikely(result < 0))
+ break;
+ }
result = nvme_tcp_try_recv(queue);
if (result > 0)
@@ -1313,12 +1339,12 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
{
struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
struct nvme_tcp_queue *queue = &ctrl->queues[qid];
- struct linger sol = { .l_onoff = 1, .l_linger = 0 };
- int ret, opt, rcv_pdu_size;
+ int ret, rcv_pdu_size;
queue->ctrl = ctrl;
INIT_LIST_HEAD(&queue->send_list);
spin_lock_init(&queue->lock);
+ mutex_init(&queue->send_mutex);
INIT_WORK(&queue->io_work, nvme_tcp_io_work);
queue->queue_size = queue_size;
@@ -1337,60 +1363,24 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
}
/* Single syn retry */
- opt = 1;
- ret = kernel_setsockopt(queue->sock, IPPROTO_TCP, TCP_SYNCNT,
- (char *)&opt, sizeof(opt));
- if (ret) {
- dev_err(nctrl->device,
- "failed to set TCP_SYNCNT sock opt %d\n", ret);
- goto err_sock;
- }
+ tcp_sock_set_syncnt(queue->sock->sk, 1);
/* Set TCP no delay */
- opt = 1;
- ret = kernel_setsockopt(queue->sock, IPPROTO_TCP,
- TCP_NODELAY, (char *)&opt, sizeof(opt));
- if (ret) {
- dev_err(nctrl->device,
- "failed to set TCP_NODELAY sock opt %d\n", ret);
- goto err_sock;
- }
+ tcp_sock_set_nodelay(queue->sock->sk);
/*
* Cleanup whatever is sitting in the TCP transmit queue on socket
* close. This is done to prevent stale data from being sent should
* the network connection be restored before TCP times out.
*/
- ret = kernel_setsockopt(queue->sock, SOL_SOCKET, SO_LINGER,
- (char *)&sol, sizeof(sol));
- if (ret) {
- dev_err(nctrl->device,
- "failed to set SO_LINGER sock opt %d\n", ret);
- goto err_sock;
- }
+ sock_no_linger(queue->sock->sk);
- if (so_priority > 0) {
- ret = kernel_setsockopt(queue->sock, SOL_SOCKET, SO_PRIORITY,
- (char *)&so_priority, sizeof(so_priority));
- if (ret) {
- dev_err(ctrl->ctrl.device,
- "failed to set SO_PRIORITY sock opt, ret %d\n",
- ret);
- goto err_sock;
- }
- }
+ if (so_priority > 0)
+ sock_set_priority(queue->sock->sk, so_priority);
/* Set socket type of service */
- if (nctrl->opts->tos >= 0) {
- opt = nctrl->opts->tos;
- ret = kernel_setsockopt(queue->sock, SOL_IP, IP_TOS,
- (char *)&opt, sizeof(opt));
- if (ret) {
- dev_err(nctrl->device,
- "failed to set IP_TOS sock opt %d\n", ret);
- goto err_sock;
- }
- }
+ if (nctrl->opts->tos >= 0)
+ ip_sock_set_tos(queue->sock->sk, nctrl->opts->tos);
queue->sock->sk->sk_allocation = GFP_ATOMIC;
nvme_tcp_set_queue_io_cpu(queue);
@@ -1543,6 +1533,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl,
set->queue_depth = NVME_AQ_MQ_TAG_DEPTH;
set->reserved_tags = 2; /* connect + keep-alive */
set->numa_node = NUMA_NO_NODE;
+ set->flags = BLK_MQ_F_BLOCKING;
set->cmd_size = sizeof(struct nvme_tcp_request);
set->driver_data = ctrl;
set->nr_hw_queues = 1;
@@ -1554,7 +1545,7 @@ static struct blk_mq_tag_set *nvme_tcp_alloc_tagset(struct nvme_ctrl *nctrl,
set->queue_depth = nctrl->sqsize + 1;
set->reserved_tags = 1; /* fabric connect */
set->numa_node = NUMA_NO_NODE;
- set->flags = BLK_MQ_F_SHOULD_MERGE;
+ set->flags = BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING;
set->cmd_size = sizeof(struct nvme_tcp_request);
set->driver_data = ctrl;
set->nr_hw_queues = nctrl->queue_count - 1;
@@ -2113,7 +2104,7 @@ static void nvme_tcp_submit_async_event(struct nvme_ctrl *arg)
ctrl->async_req.curr_bio = NULL;
ctrl->async_req.data_len = 0;
- nvme_tcp_queue_request(&ctrl->async_req);
+ nvme_tcp_queue_request(&ctrl->async_req, true);
}
static enum blk_eh_timer_return
@@ -2244,7 +2235,7 @@ static blk_status_t nvme_tcp_queue_rq(struct blk_mq_hw_ctx *hctx,
blk_mq_start_request(rq);
- nvme_tcp_queue_request(req);
+ nvme_tcp_queue_request(req, true);
return BLK_STS_OK;
}
@@ -2302,9 +2293,11 @@ static int nvme_tcp_poll(struct blk_mq_hw_ctx *hctx)
if (!test_bit(NVME_TCP_Q_LIVE, &queue->flags))
return 0;
+ set_bit(NVME_TCP_Q_POLLING, &queue->flags);
if (sk_can_busy_loop(sk) && skb_queue_empty_lockless(&sk->sk_receive_queue))
sk_busy_loop(sk, true);
nvme_tcp_try_recv(queue);
+ clear_bit(NVME_TCP_Q_POLLING, &queue->flags);
return queue->nr_cqe;
}
diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig
index d7f48c0fb311..4474952d64c6 100644
--- a/drivers/nvme/target/Kconfig
+++ b/drivers/nvme/target/Kconfig
@@ -4,6 +4,7 @@ config NVME_TARGET
tristate "NVMe Target support"
depends on BLOCK
depends on CONFIGFS_FS
+ select BLK_DEV_INTEGRITY_T10 if BLK_DEV_INTEGRITY
select SGL_ALLOC
help
This enabled target side support for the NVMe protocol, that is
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index 9d6f75cfa77c..1db8c0498668 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -295,7 +295,7 @@ out:
static void nvmet_execute_get_log_page(struct nvmet_req *req)
{
- if (!nvmet_check_data_len(req, nvmet_get_log_page_len(req->cmd)))
+ if (!nvmet_check_transfer_len(req, nvmet_get_log_page_len(req->cmd)))
return;
switch (req->cmd->get_log_page.lid) {
@@ -341,6 +341,7 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
struct nvme_id_ctrl *id;
+ u32 cmd_capsule_size;
u16 status = 0;
id = kzalloc(sizeof(*id), GFP_KERNEL);
@@ -433,9 +434,15 @@ static void nvmet_execute_identify_ctrl(struct nvmet_req *req)
strlcpy(id->subnqn, ctrl->subsys->subsysnqn, sizeof(id->subnqn));
- /* Max command capsule size is sqe + single page of in-capsule data */
- id->ioccsz = cpu_to_le32((sizeof(struct nvme_command) +
- req->port->inline_data_size) / 16);
+ /*
+ * Max command capsule size is sqe + in-capsule data size.
+ * Disable in-capsule data for Metadata capable controllers.
+ */
+ cmd_capsule_size = sizeof(struct nvme_command);
+ if (!ctrl->pi_support)
+ cmd_capsule_size += req->port->inline_data_size;
+ id->ioccsz = cpu_to_le32(cmd_capsule_size / 16);
+
/* Max response capsule size is cqe */
id->iorcsz = cpu_to_le32(sizeof(struct nvme_completion) / 16);
@@ -465,6 +472,7 @@ out:
static void nvmet_execute_identify_ns(struct nvmet_req *req)
{
+ struct nvmet_ctrl *ctrl = req->sq->ctrl;
struct nvmet_ns *ns;
struct nvme_id_ns *id;
u16 status = 0;
@@ -482,10 +490,12 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
}
/* return an all zeroed buffer if we can't find an active namespace */
- ns = nvmet_find_namespace(req->sq->ctrl, req->cmd->identify.nsid);
+ ns = nvmet_find_namespace(ctrl, req->cmd->identify.nsid);
if (!ns)
goto done;
+ nvmet_ns_revalidate(ns);
+
/*
* nuse = ncap = nsze isn't always true, but we have no way to find
* that out from the underlying device.
@@ -521,6 +531,16 @@ static void nvmet_execute_identify_ns(struct nvmet_req *req)
id->lbaf[0].ds = ns->blksize_shift;
+ if (ctrl->pi_support && nvmet_ns_has_pi(ns)) {
+ id->dpc = NVME_NS_DPC_PI_FIRST | NVME_NS_DPC_PI_LAST |
+ NVME_NS_DPC_PI_TYPE1 | NVME_NS_DPC_PI_TYPE2 |
+ NVME_NS_DPC_PI_TYPE3;
+ id->mc = NVME_MC_EXTENDED_LBA;
+ id->dps = ns->pi_type;
+ id->flbas = NVME_NS_FLBAS_META_EXT;
+ id->lbaf[0].ms = cpu_to_le16(ns->metadata_size);
+ }
+
if (ns->readonly)
id->nsattr |= (1 << 0);
nvmet_put_namespace(ns);
@@ -625,7 +645,7 @@ out:
static void nvmet_execute_identify(struct nvmet_req *req)
{
- if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE))
+ if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE))
return;
switch (req->cmd->identify.cns) {
@@ -654,7 +674,7 @@ static void nvmet_execute_identify(struct nvmet_req *req)
*/
static void nvmet_execute_abort(struct nvmet_req *req)
{
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
nvmet_set_result(req, 1);
nvmet_req_complete(req, 0);
@@ -743,7 +763,7 @@ static void nvmet_execute_set_features(struct nvmet_req *req)
u16 nsqr;
u16 ncqr;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
switch (cdw10 & 0xff) {
@@ -815,7 +835,7 @@ static void nvmet_execute_get_features(struct nvmet_req *req)
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 status = 0;
- if (!nvmet_check_data_len(req, nvmet_feat_data_len(req, cdw10)))
+ if (!nvmet_check_transfer_len(req, nvmet_feat_data_len(req, cdw10)))
return;
switch (cdw10 & 0xff) {
@@ -882,7 +902,7 @@ void nvmet_execute_async_event(struct nvmet_req *req)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
mutex_lock(&ctrl->lock);
@@ -901,7 +921,7 @@ void nvmet_execute_keep_alive(struct nvmet_req *req)
{
struct nvmet_ctrl *ctrl = req->sq->ctrl;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
pr_debug("ctrl %d update keep-alive timer for %d secs\n",
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 58cabd7b6fc5..419e0d4ce79b 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c
@@ -20,61 +20,71 @@ static const struct config_item_type nvmet_subsys_type;
static LIST_HEAD(nvmet_ports_list);
struct list_head *nvmet_ports = &nvmet_ports_list;
-static const struct nvmet_transport_name {
+struct nvmet_type_name_map {
u8 type;
const char *name;
-} nvmet_transport_names[] = {
+};
+
+static struct nvmet_type_name_map nvmet_transport[] = {
{ NVMF_TRTYPE_RDMA, "rdma" },
{ NVMF_TRTYPE_FC, "fc" },
{ NVMF_TRTYPE_TCP, "tcp" },
{ NVMF_TRTYPE_LOOP, "loop" },
};
+static const struct nvmet_type_name_map nvmet_addr_family[] = {
+ { NVMF_ADDR_FAMILY_PCI, "pcie" },
+ { NVMF_ADDR_FAMILY_IP4, "ipv4" },
+ { NVMF_ADDR_FAMILY_IP6, "ipv6" },
+ { NVMF_ADDR_FAMILY_IB, "ib" },
+ { NVMF_ADDR_FAMILY_FC, "fc" },
+ { NVMF_ADDR_FAMILY_LOOP, "loop" },
+};
+
+static bool nvmet_is_port_enabled(struct nvmet_port *p, const char *caller)
+{
+ if (p->enabled)
+ pr_err("Disable port '%u' before changing attribute in %s\n",
+ le16_to_cpu(p->disc_addr.portid), caller);
+ return p->enabled;
+}
+
/*
* nvmet_port Generic ConfigFS definitions.
* Used in any place in the ConfigFS tree that refers to an address.
*/
-static ssize_t nvmet_addr_adrfam_show(struct config_item *item,
- char *page)
+static ssize_t nvmet_addr_adrfam_show(struct config_item *item, char *page)
{
- switch (to_nvmet_port(item)->disc_addr.adrfam) {
- case NVMF_ADDR_FAMILY_IP4:
- return sprintf(page, "ipv4\n");
- case NVMF_ADDR_FAMILY_IP6:
- return sprintf(page, "ipv6\n");
- case NVMF_ADDR_FAMILY_IB:
- return sprintf(page, "ib\n");
- case NVMF_ADDR_FAMILY_FC:
- return sprintf(page, "fc\n");
- default:
- return sprintf(page, "\n");
+ u8 adrfam = to_nvmet_port(item)->disc_addr.adrfam;
+ int i;
+
+ for (i = 1; i < ARRAY_SIZE(nvmet_addr_family); i++) {
+ if (nvmet_addr_family[i].type == adrfam)
+ return sprintf(page, "%s\n", nvmet_addr_family[i].name);
}
+
+ return sprintf(page, "\n");
}
static ssize_t nvmet_addr_adrfam_store(struct config_item *item,
const char *page, size_t count)
{
struct nvmet_port *port = to_nvmet_port(item);
+ int i;
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
- if (sysfs_streq(page, "ipv4")) {
- port->disc_addr.adrfam = NVMF_ADDR_FAMILY_IP4;
- } else if (sysfs_streq(page, "ipv6")) {
- port->disc_addr.adrfam = NVMF_ADDR_FAMILY_IP6;
- } else if (sysfs_streq(page, "ib")) {
- port->disc_addr.adrfam = NVMF_ADDR_FAMILY_IB;
- } else if (sysfs_streq(page, "fc")) {
- port->disc_addr.adrfam = NVMF_ADDR_FAMILY_FC;
- } else {
- pr_err("Invalid value '%s' for adrfam\n", page);
- return -EINVAL;
+ for (i = 1; i < ARRAY_SIZE(nvmet_addr_family); i++) {
+ if (sysfs_streq(page, nvmet_addr_family[i].name))
+ goto found;
}
+ pr_err("Invalid value '%s' for adrfam\n", page);
+ return -EINVAL;
+
+found:
+ port->disc_addr.adrfam = nvmet_addr_family[i].type;
return count;
}
@@ -100,11 +110,9 @@ static ssize_t nvmet_addr_portid_store(struct config_item *item,
return -EINVAL;
}
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
+
port->disc_addr.portid = cpu_to_le16(portid);
return count;
}
@@ -130,11 +138,8 @@ static ssize_t nvmet_addr_traddr_store(struct config_item *item,
return -EINVAL;
}
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
if (sscanf(page, "%s\n", port->disc_addr.traddr) != 1)
return -EINVAL;
@@ -143,20 +148,24 @@ static ssize_t nvmet_addr_traddr_store(struct config_item *item,
CONFIGFS_ATTR(nvmet_, addr_traddr);
-static ssize_t nvmet_addr_treq_show(struct config_item *item,
- char *page)
+static const struct nvmet_type_name_map nvmet_addr_treq[] = {
+ { NVMF_TREQ_NOT_SPECIFIED, "not specified" },
+ { NVMF_TREQ_REQUIRED, "required" },
+ { NVMF_TREQ_NOT_REQUIRED, "not required" },
+};
+
+static ssize_t nvmet_addr_treq_show(struct config_item *item, char *page)
{
- switch (to_nvmet_port(item)->disc_addr.treq &
- NVME_TREQ_SECURE_CHANNEL_MASK) {
- case NVMF_TREQ_NOT_SPECIFIED:
- return sprintf(page, "not specified\n");
- case NVMF_TREQ_REQUIRED:
- return sprintf(page, "required\n");
- case NVMF_TREQ_NOT_REQUIRED:
- return sprintf(page, "not required\n");
- default:
- return sprintf(page, "\n");
+ u8 treq = to_nvmet_port(item)->disc_addr.treq &
+ NVME_TREQ_SECURE_CHANNEL_MASK;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(nvmet_addr_treq); i++) {
+ if (treq == nvmet_addr_treq[i].type)
+ return sprintf(page, "%s\n", nvmet_addr_treq[i].name);
}
+
+ return sprintf(page, "\n");
}
static ssize_t nvmet_addr_treq_store(struct config_item *item,
@@ -164,25 +173,22 @@ static ssize_t nvmet_addr_treq_store(struct config_item *item,
{
struct nvmet_port *port = to_nvmet_port(item);
u8 treq = port->disc_addr.treq & ~NVME_TREQ_SECURE_CHANNEL_MASK;
+ int i;
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
- if (sysfs_streq(page, "not specified")) {
- treq |= NVMF_TREQ_NOT_SPECIFIED;
- } else if (sysfs_streq(page, "required")) {
- treq |= NVMF_TREQ_REQUIRED;
- } else if (sysfs_streq(page, "not required")) {
- treq |= NVMF_TREQ_NOT_REQUIRED;
- } else {
- pr_err("Invalid value '%s' for treq\n", page);
- return -EINVAL;
+ for (i = 0; i < ARRAY_SIZE(nvmet_addr_treq); i++) {
+ if (sysfs_streq(page, nvmet_addr_treq[i].name))
+ goto found;
}
- port->disc_addr.treq = treq;
+ pr_err("Invalid value '%s' for treq\n", page);
+ return -EINVAL;
+
+found:
+ treq |= nvmet_addr_treq[i].type;
+ port->disc_addr.treq = treq;
return count;
}
@@ -206,11 +212,8 @@ static ssize_t nvmet_addr_trsvcid_store(struct config_item *item,
pr_err("Invalid value '%s' for trsvcid\n", page);
return -EINVAL;
}
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
if (sscanf(page, "%s\n", port->disc_addr.trsvcid) != 1)
return -EINVAL;
@@ -233,11 +236,8 @@ static ssize_t nvmet_param_inline_data_size_store(struct config_item *item,
struct nvmet_port *port = to_nvmet_port(item);
int ret;
- if (port->enabled) {
- pr_err("Cannot modify inline_data_size while port enabled\n");
- pr_err("Disable the port before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
ret = kstrtoint(page, 0, &port->inline_data_size);
if (ret) {
pr_err("Invalid value '%s' for inline_data_size\n", page);
@@ -248,16 +248,45 @@ static ssize_t nvmet_param_inline_data_size_store(struct config_item *item,
CONFIGFS_ATTR(nvmet_, param_inline_data_size);
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+static ssize_t nvmet_param_pi_enable_show(struct config_item *item,
+ char *page)
+{
+ struct nvmet_port *port = to_nvmet_port(item);
+
+ return snprintf(page, PAGE_SIZE, "%d\n", port->pi_enable);
+}
+
+static ssize_t nvmet_param_pi_enable_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct nvmet_port *port = to_nvmet_port(item);
+ bool val;
+
+ if (strtobool(page, &val))
+ return -EINVAL;
+
+ if (port->enabled) {
+ pr_err("Disable port before setting pi_enable value.\n");
+ return -EACCES;
+ }
+
+ port->pi_enable = val;
+ return count;
+}
+
+CONFIGFS_ATTR(nvmet_, param_pi_enable);
+#endif
+
static ssize_t nvmet_addr_trtype_show(struct config_item *item,
char *page)
{
struct nvmet_port *port = to_nvmet_port(item);
int i;
- for (i = 0; i < ARRAY_SIZE(nvmet_transport_names); i++) {
- if (port->disc_addr.trtype != nvmet_transport_names[i].type)
- continue;
- return sprintf(page, "%s\n", nvmet_transport_names[i].name);
+ for (i = 0; i < ARRAY_SIZE(nvmet_transport); i++) {
+ if (port->disc_addr.trtype == nvmet_transport[i].type)
+ return sprintf(page, "%s\n", nvmet_transport[i].name);
}
return sprintf(page, "\n");
@@ -276,22 +305,20 @@ static ssize_t nvmet_addr_trtype_store(struct config_item *item,
struct nvmet_port *port = to_nvmet_port(item);
int i;
- if (port->enabled) {
- pr_err("Cannot modify address while enabled\n");
- pr_err("Disable the address before modifying\n");
+ if (nvmet_is_port_enabled(port, __func__))
return -EACCES;
- }
- for (i = 0; i < ARRAY_SIZE(nvmet_transport_names); i++) {
- if (sysfs_streq(page, nvmet_transport_names[i].name))
+ for (i = 0; i < ARRAY_SIZE(nvmet_transport); i++) {
+ if (sysfs_streq(page, nvmet_transport[i].name))
goto found;
}
pr_err("Invalid value '%s' for trtype\n", page);
return -EINVAL;
+
found:
memset(&port->disc_addr.tsas, 0, NVMF_TSAS_SIZE);
- port->disc_addr.trtype = nvmet_transport_names[i].type;
+ port->disc_addr.trtype = nvmet_transport[i].type;
if (port->disc_addr.trtype == NVMF_TRTYPE_RDMA)
nvmet_port_init_tsas_rdma(port);
return count;
@@ -327,7 +354,7 @@ static ssize_t nvmet_ns_device_path_store(struct config_item *item,
kfree(ns->device_path);
ret = -ENOMEM;
- ns->device_path = kstrndup(page, len, GFP_KERNEL);
+ ns->device_path = kmemdup_nul(page, len, GFP_KERNEL);
if (!ns->device_path)
goto out_unlock;
@@ -543,6 +570,31 @@ static ssize_t nvmet_ns_buffered_io_store(struct config_item *item,
CONFIGFS_ATTR(nvmet_ns_, buffered_io);
+static ssize_t nvmet_ns_revalidate_size_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct nvmet_ns *ns = to_nvmet_ns(item);
+ bool val;
+
+ if (strtobool(page, &val))
+ return -EINVAL;
+
+ if (!val)
+ return -EINVAL;
+
+ mutex_lock(&ns->subsys->lock);
+ if (!ns->enabled) {
+ pr_err("enable ns before revalidate.\n");
+ mutex_unlock(&ns->subsys->lock);
+ return -EINVAL;
+ }
+ nvmet_ns_revalidate(ns);
+ mutex_unlock(&ns->subsys->lock);
+ return count;
+}
+
+CONFIGFS_ATTR_WO(nvmet_ns_, revalidate_size);
+
static struct configfs_attribute *nvmet_ns_attrs[] = {
&nvmet_ns_attr_device_path,
&nvmet_ns_attr_device_nguid,
@@ -550,6 +602,7 @@ static struct configfs_attribute *nvmet_ns_attrs[] = {
&nvmet_ns_attr_ana_grpid,
&nvmet_ns_attr_enable,
&nvmet_ns_attr_buffered_io,
+ &nvmet_ns_attr_revalidate_size,
#ifdef CONFIG_PCI_P2PDMA
&nvmet_ns_attr_p2pmem,
#endif
@@ -963,7 +1016,7 @@ static ssize_t nvmet_subsys_attr_model_store(struct config_item *item,
return -EINVAL;
}
- new_model_number = kstrndup(page, len, GFP_KERNEL);
+ new_model_number = kmemdup_nul(page, len, GFP_KERNEL);
if (!new_model_number)
return -ENOMEM;
@@ -987,6 +1040,28 @@ static ssize_t nvmet_subsys_attr_model_store(struct config_item *item,
}
CONFIGFS_ATTR(nvmet_subsys_, attr_model);
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+static ssize_t nvmet_subsys_attr_pi_enable_show(struct config_item *item,
+ char *page)
+{
+ return snprintf(page, PAGE_SIZE, "%d\n", to_subsys(item)->pi_support);
+}
+
+static ssize_t nvmet_subsys_attr_pi_enable_store(struct config_item *item,
+ const char *page, size_t count)
+{
+ struct nvmet_subsys *subsys = to_subsys(item);
+ bool pi_enable;
+
+ if (strtobool(page, &pi_enable))
+ return -EINVAL;
+
+ subsys->pi_support = pi_enable;
+ return count;
+}
+CONFIGFS_ATTR(nvmet_subsys_, attr_pi_enable);
+#endif
+
static struct configfs_attribute *nvmet_subsys_attrs[] = {
&nvmet_subsys_attr_attr_allow_any_host,
&nvmet_subsys_attr_attr_version,
@@ -994,6 +1069,9 @@ static struct configfs_attribute *nvmet_subsys_attrs[] = {
&nvmet_subsys_attr_attr_cntlid_min,
&nvmet_subsys_attr_attr_cntlid_max,
&nvmet_subsys_attr_attr_model,
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+ &nvmet_subsys_attr_attr_pi_enable,
+#endif
NULL,
};
@@ -1149,10 +1227,7 @@ static const struct config_item_type nvmet_referrals_type = {
.ct_group_ops = &nvmet_referral_group_ops,
};
-static struct {
- enum nvme_ana_state state;
- const char *name;
-} nvmet_ana_state_names[] = {
+static struct nvmet_type_name_map nvmet_ana_state[] = {
{ NVME_ANA_OPTIMIZED, "optimized" },
{ NVME_ANA_NONOPTIMIZED, "non-optimized" },
{ NVME_ANA_INACCESSIBLE, "inaccessible" },
@@ -1167,10 +1242,9 @@ static ssize_t nvmet_ana_group_ana_state_show(struct config_item *item,
enum nvme_ana_state state = grp->port->ana_state[grp->grpid];
int i;
- for (i = 0; i < ARRAY_SIZE(nvmet_ana_state_names); i++) {
- if (state != nvmet_ana_state_names[i].state)
- continue;
- return sprintf(page, "%s\n", nvmet_ana_state_names[i].name);
+ for (i = 0; i < ARRAY_SIZE(nvmet_ana_state); i++) {
+ if (state == nvmet_ana_state[i].type)
+ return sprintf(page, "%s\n", nvmet_ana_state[i].name);
}
return sprintf(page, "\n");
@@ -1180,10 +1254,11 @@ static ssize_t nvmet_ana_group_ana_state_store(struct config_item *item,
const char *page, size_t count)
{
struct nvmet_ana_group *grp = to_ana_group(item);
+ enum nvme_ana_state *ana_state = grp->port->ana_state;
int i;
- for (i = 0; i < ARRAY_SIZE(nvmet_ana_state_names); i++) {
- if (sysfs_streq(page, nvmet_ana_state_names[i].name))
+ for (i = 0; i < ARRAY_SIZE(nvmet_ana_state); i++) {
+ if (sysfs_streq(page, nvmet_ana_state[i].name))
goto found;
}
@@ -1192,10 +1267,9 @@ static ssize_t nvmet_ana_group_ana_state_store(struct config_item *item,
found:
down_write(&nvmet_ana_sem);
- grp->port->ana_state[grp->grpid] = nvmet_ana_state_names[i].state;
+ ana_state[grp->grpid] = (enum nvme_ana_state) nvmet_ana_state[i].type;
nvmet_ana_chgcnt++;
up_write(&nvmet_ana_sem);
-
nvmet_port_send_ana_event(grp->port);
return count;
}
@@ -1297,6 +1371,9 @@ static struct configfs_attribute *nvmet_port_attrs[] = {
&nvmet_attr_addr_trsvcid,
&nvmet_attr_addr_trtype,
&nvmet_attr_param_inline_data_size,
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+ &nvmet_attr_param_pi_enable,
+#endif
NULL,
};
@@ -1346,6 +1423,7 @@ static struct config_group *nvmet_ports_make(struct config_group *group,
port->inline_data_size = -1; /* < 0 == let the transport choose */
port->disc_addr.portid = cpu_to_le16(portid);
+ port->disc_addr.adrfam = NVMF_ADDR_FAMILY_MAX;
port->disc_addr.treq = NVMF_TREQ_DISABLE_SQFLOW;
config_group_init_type_name(&port->group, name, &nvmet_port_type);
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index b685f99d56a1..6392bcd30bd7 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -134,15 +134,10 @@ static void nvmet_async_events_process(struct nvmet_ctrl *ctrl, u16 status)
struct nvmet_async_event *aen;
struct nvmet_req *req;
- while (1) {
- mutex_lock(&ctrl->lock);
- aen = list_first_entry_or_null(&ctrl->async_events,
- struct nvmet_async_event, entry);
- if (!aen || !ctrl->nr_async_event_cmds) {
- mutex_unlock(&ctrl->lock);
- break;
- }
-
+ mutex_lock(&ctrl->lock);
+ while (ctrl->nr_async_event_cmds && !list_empty(&ctrl->async_events)) {
+ aen = list_first_entry(&ctrl->async_events,
+ struct nvmet_async_event, entry);
req = ctrl->async_event_cmds[--ctrl->nr_async_event_cmds];
if (status == 0)
nvmet_set_result(req, nvmet_async_event_result(aen));
@@ -151,20 +146,21 @@ static void nvmet_async_events_process(struct nvmet_ctrl *ctrl, u16 status)
kfree(aen);
mutex_unlock(&ctrl->lock);
+ trace_nvmet_async_event(ctrl, req->cqe->result.u32);
nvmet_req_complete(req, status);
+ mutex_lock(&ctrl->lock);
}
+ mutex_unlock(&ctrl->lock);
}
static void nvmet_async_events_free(struct nvmet_ctrl *ctrl)
{
- struct nvmet_req *req;
+ struct nvmet_async_event *aen, *tmp;
mutex_lock(&ctrl->lock);
- while (ctrl->nr_async_event_cmds) {
- req = ctrl->async_event_cmds[--ctrl->nr_async_event_cmds];
- mutex_unlock(&ctrl->lock);
- nvmet_req_complete(req, NVME_SC_INTERNAL | NVME_SC_DNR);
- mutex_lock(&ctrl->lock);
+ list_for_each_entry_safe(aen, tmp, &ctrl->async_events, entry) {
+ list_del(&aen->entry);
+ kfree(aen);
}
mutex_unlock(&ctrl->lock);
}
@@ -322,12 +318,21 @@ int nvmet_enable_port(struct nvmet_port *port)
if (!try_module_get(ops->owner))
return -EINVAL;
- ret = ops->add_port(port);
- if (ret) {
- module_put(ops->owner);
- return ret;
+ /*
+ * If the user requested PI support and the transport isn't pi capable,
+ * don't enable the port.
+ */
+ if (port->pi_enable && !ops->metadata_support) {
+ pr_err("T10-PI is not supported by transport type %d\n",
+ port->disc_addr.trtype);
+ ret = -EINVAL;
+ goto out_put;
}
+ ret = ops->add_port(port);
+ if (ret)
+ goto out_put;
+
/* If the transport didn't set inline_data_size, then disable it. */
if (port->inline_data_size < 0)
port->inline_data_size = 0;
@@ -335,6 +340,10 @@ int nvmet_enable_port(struct nvmet_port *port)
port->enabled = true;
port->tr_ops = ops;
return 0;
+
+out_put:
+ module_put(ops->owner);
+ return ret;
}
void nvmet_disable_port(struct nvmet_port *port)
@@ -514,6 +523,19 @@ static void nvmet_p2pmem_ns_add_p2p(struct nvmet_ctrl *ctrl,
ns->nsid);
}
+void nvmet_ns_revalidate(struct nvmet_ns *ns)
+{
+ loff_t oldsize = ns->size;
+
+ if (ns->bdev)
+ nvmet_bdev_ns_revalidate(ns);
+ else
+ nvmet_file_ns_revalidate(ns);
+
+ if (oldsize != ns->size)
+ nvmet_ns_changed(ns->subsys, ns->nsid);
+}
+
int nvmet_ns_enable(struct nvmet_ns *ns)
{
struct nvmet_subsys *subsys = ns->subsys;
@@ -764,10 +786,8 @@ void nvmet_sq_destroy(struct nvmet_sq *sq)
* If this is the admin queue, complete all AERs so that our
* queue doesn't have outstanding requests on it.
*/
- if (ctrl && ctrl->sqs && ctrl->sqs[0] == sq) {
+ if (ctrl && ctrl->sqs && ctrl->sqs[0] == sq)
nvmet_async_events_process(ctrl, status);
- nvmet_async_events_free(ctrl);
- }
percpu_ref_kill_and_confirm(&sq->ref, nvmet_confirm_sq);
wait_for_completion(&sq->confirm_done);
wait_for_completion(&sq->free_done);
@@ -873,8 +893,11 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
req->sq = sq;
req->ops = ops;
req->sg = NULL;
+ req->metadata_sg = NULL;
req->sg_cnt = 0;
+ req->metadata_sg_cnt = 0;
req->transfer_len = 0;
+ req->metadata_len = 0;
req->cqe->status = 0;
req->cqe->sq_head = 0;
req->ns = NULL;
@@ -936,9 +959,9 @@ void nvmet_req_uninit(struct nvmet_req *req)
}
EXPORT_SYMBOL_GPL(nvmet_req_uninit);
-bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len)
+bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len)
{
- if (unlikely(data_len != req->transfer_len)) {
+ if (unlikely(len != req->transfer_len)) {
req->error_loc = offsetof(struct nvme_common_command, dptr);
nvmet_req_complete(req, NVME_SC_SGL_INVALID_DATA | NVME_SC_DNR);
return false;
@@ -946,7 +969,7 @@ bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len)
return true;
}
-EXPORT_SYMBOL_GPL(nvmet_check_data_len);
+EXPORT_SYMBOL_GPL(nvmet_check_transfer_len);
bool nvmet_check_data_len_lte(struct nvmet_req *req, size_t data_len)
{
@@ -959,50 +982,90 @@ bool nvmet_check_data_len_lte(struct nvmet_req *req, size_t data_len)
return true;
}
-int nvmet_req_alloc_sgl(struct nvmet_req *req)
+static unsigned int nvmet_data_transfer_len(struct nvmet_req *req)
{
- struct pci_dev *p2p_dev = NULL;
+ return req->transfer_len - req->metadata_len;
+}
- if (IS_ENABLED(CONFIG_PCI_P2PDMA)) {
- if (req->sq->ctrl && req->ns)
- p2p_dev = radix_tree_lookup(&req->sq->ctrl->p2p_ns_map,
- req->ns->nsid);
+static int nvmet_req_alloc_p2pmem_sgls(struct nvmet_req *req)
+{
+ req->sg = pci_p2pmem_alloc_sgl(req->p2p_dev, &req->sg_cnt,
+ nvmet_data_transfer_len(req));
+ if (!req->sg)
+ goto out_err;
- req->p2p_dev = NULL;
- if (req->sq->qid && p2p_dev) {
- req->sg = pci_p2pmem_alloc_sgl(p2p_dev, &req->sg_cnt,
- req->transfer_len);
- if (req->sg) {
- req->p2p_dev = p2p_dev;
- return 0;
- }
- }
+ if (req->metadata_len) {
+ req->metadata_sg = pci_p2pmem_alloc_sgl(req->p2p_dev,
+ &req->metadata_sg_cnt, req->metadata_len);
+ if (!req->metadata_sg)
+ goto out_free_sg;
+ }
+ return 0;
+out_free_sg:
+ pci_p2pmem_free_sgl(req->p2p_dev, req->sg);
+out_err:
+ return -ENOMEM;
+}
- /*
- * If no P2P memory was available we fallback to using
- * regular memory
- */
+static bool nvmet_req_find_p2p_dev(struct nvmet_req *req)
+{
+ if (!IS_ENABLED(CONFIG_PCI_P2PDMA))
+ return false;
+
+ if (req->sq->ctrl && req->sq->qid && req->ns) {
+ req->p2p_dev = radix_tree_lookup(&req->sq->ctrl->p2p_ns_map,
+ req->ns->nsid);
+ if (req->p2p_dev)
+ return true;
}
- req->sg = sgl_alloc(req->transfer_len, GFP_KERNEL, &req->sg_cnt);
+ req->p2p_dev = NULL;
+ return false;
+}
+
+int nvmet_req_alloc_sgls(struct nvmet_req *req)
+{
+ if (nvmet_req_find_p2p_dev(req) && !nvmet_req_alloc_p2pmem_sgls(req))
+ return 0;
+
+ req->sg = sgl_alloc(nvmet_data_transfer_len(req), GFP_KERNEL,
+ &req->sg_cnt);
if (unlikely(!req->sg))
- return -ENOMEM;
+ goto out;
+
+ if (req->metadata_len) {
+ req->metadata_sg = sgl_alloc(req->metadata_len, GFP_KERNEL,
+ &req->metadata_sg_cnt);
+ if (unlikely(!req->metadata_sg))
+ goto out_free;
+ }
return 0;
+out_free:
+ sgl_free(req->sg);
+out:
+ return -ENOMEM;
}
-EXPORT_SYMBOL_GPL(nvmet_req_alloc_sgl);
+EXPORT_SYMBOL_GPL(nvmet_req_alloc_sgls);
-void nvmet_req_free_sgl(struct nvmet_req *req)
+void nvmet_req_free_sgls(struct nvmet_req *req)
{
- if (req->p2p_dev)
+ if (req->p2p_dev) {
pci_p2pmem_free_sgl(req->p2p_dev, req->sg);
- else
+ if (req->metadata_sg)
+ pci_p2pmem_free_sgl(req->p2p_dev, req->metadata_sg);
+ } else {
sgl_free(req->sg);
+ if (req->metadata_sg)
+ sgl_free(req->metadata_sg);
+ }
req->sg = NULL;
+ req->metadata_sg = NULL;
req->sg_cnt = 0;
+ req->metadata_sg_cnt = 0;
}
-EXPORT_SYMBOL_GPL(nvmet_req_free_sgl);
+EXPORT_SYMBOL_GPL(nvmet_req_free_sgls);
static inline bool nvmet_cc_en(u32 cc)
{
@@ -1357,6 +1420,7 @@ static void nvmet_ctrl_free(struct kref *ref)
ida_simple_remove(&cntlid_ida, ctrl->cntlid);
+ nvmet_async_events_free(ctrl);
kfree(ctrl->sqs);
kfree(ctrl->cqs);
kfree(ctrl->changed_ns_list);
diff --git a/drivers/nvme/target/discovery.c b/drivers/nvme/target/discovery.c
index 0c2274b21e15..40cf0b6e6c9d 100644
--- a/drivers/nvme/target/discovery.c
+++ b/drivers/nvme/target/discovery.c
@@ -171,7 +171,7 @@ static void nvmet_execute_disc_get_log_page(struct nvmet_req *req)
u16 status = 0;
void *buffer;
- if (!nvmet_check_data_len(req, data_len))
+ if (!nvmet_check_transfer_len(req, data_len))
return;
if (req->cmd->get_log_page.lid != NVME_LOG_DISC) {
@@ -244,7 +244,7 @@ static void nvmet_execute_disc_identify(struct nvmet_req *req)
const char model[] = "Linux";
u16 status = 0;
- if (!nvmet_check_data_len(req, NVME_IDENTIFY_DATA_SIZE))
+ if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE))
return;
if (req->cmd->identify.cns != NVME_ID_CNS_CTRL) {
@@ -298,7 +298,7 @@ static void nvmet_execute_disc_set_features(struct nvmet_req *req)
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 stat;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
switch (cdw10 & 0xff) {
@@ -324,7 +324,7 @@ static void nvmet_execute_disc_get_features(struct nvmet_req *req)
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 stat = 0;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
switch (cdw10 & 0xff) {
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index feef15c38ec9..42bd12b8bf00 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -12,7 +12,7 @@ static void nvmet_execute_prop_set(struct nvmet_req *req)
u64 val = le64_to_cpu(req->cmd->prop_set.value);
u16 status = 0;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
if (req->cmd->prop_set.attrib & 1) {
@@ -41,7 +41,7 @@ static void nvmet_execute_prop_get(struct nvmet_req *req)
u16 status = 0;
u64 val = 0;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
if (req->cmd->prop_get.attrib & 1) {
@@ -156,7 +156,7 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
struct nvmet_ctrl *ctrl = NULL;
u16 status = 0;
- if (!nvmet_check_data_len(req, sizeof(struct nvmf_connect_data)))
+ if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data)))
return;
d = kmalloc(sizeof(*d), GFP_KERNEL);
@@ -197,6 +197,8 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
goto out;
}
+ ctrl->pi_support = ctrl->port->pi_enable && ctrl->subsys->pi_support;
+
uuid_copy(&ctrl->hostid, &d->hostid);
status = nvmet_install_queue(ctrl, req);
@@ -205,8 +207,9 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
goto out;
}
- pr_info("creating controller %d for subsystem %s for NQN %s.\n",
- ctrl->cntlid, ctrl->subsys->subsysnqn, ctrl->hostnqn);
+ pr_info("creating controller %d for subsystem %s for NQN %s%s.\n",
+ ctrl->cntlid, ctrl->subsys->subsysnqn, ctrl->hostnqn,
+ ctrl->pi_support ? " T10-PI is enabled" : "");
req->cqe->result.u16 = cpu_to_le16(ctrl->cntlid);
out:
@@ -223,7 +226,7 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
u16 qid = le16_to_cpu(c->qid);
u16 status = 0;
- if (!nvmet_check_data_len(req, sizeof(struct nvmf_connect_data)))
+ if (!nvmet_check_transfer_len(req, sizeof(struct nvmf_connect_data)))
return;
d = kmalloc(sizeof(*d), GFP_KERNEL);
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index a8ceb7721640..27fd3b5aa621 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -14,6 +14,7 @@
#include "nvmet.h"
#include <linux/nvme-fc-driver.h>
#include <linux/nvme-fc.h>
+#include "../host/fc.h"
/* *************************** Data Structures/Defines ****************** */
@@ -21,23 +22,21 @@
#define NVMET_LS_CTX_COUNT 256
-/* for this implementation, assume small single frame rqst/rsp */
-#define NVME_FC_MAX_LS_BUFFER_SIZE 2048
-
struct nvmet_fc_tgtport;
struct nvmet_fc_tgt_assoc;
-struct nvmet_fc_ls_iod {
- struct nvmefc_tgt_ls_req *lsreq;
+struct nvmet_fc_ls_iod { /* for an LS RQST RCV */
+ struct nvmefc_ls_rsp *lsrsp;
struct nvmefc_tgt_fcp_req *fcpreq; /* only if RS */
- struct list_head ls_list; /* tgtport->ls_list */
+ struct list_head ls_rcv_list; /* tgtport->ls_rcv_list */
struct nvmet_fc_tgtport *tgtport;
struct nvmet_fc_tgt_assoc *assoc;
+ void *hosthandle;
- u8 *rqstbuf;
- u8 *rspbuf;
+ union nvmefc_ls_requests *rqstbuf;
+ union nvmefc_ls_responses *rspbuf;
u16 rqstdatalen;
dma_addr_t rspdma;
@@ -46,6 +45,18 @@ struct nvmet_fc_ls_iod {
struct work_struct work;
} __aligned(sizeof(unsigned long long));
+struct nvmet_fc_ls_req_op { /* for an LS RQST XMT */
+ struct nvmefc_ls_req ls_req;
+
+ struct nvmet_fc_tgtport *tgtport;
+ void *hosthandle;
+
+ int ls_error;
+ struct list_head lsreq_list; /* tgtport->ls_req_list */
+ bool req_queued;
+};
+
+
/* desired maximum for a single sequence - if sg list allows it */
#define NVMET_FC_MAX_SEQ_LENGTH (256 * 1024)
@@ -83,7 +94,6 @@ struct nvmet_fc_fcp_iod {
};
struct nvmet_fc_tgtport {
-
struct nvmet_fc_target_port fc_target_port;
struct list_head tgt_list; /* nvmet_fc_target_list */
@@ -92,9 +102,11 @@ struct nvmet_fc_tgtport {
struct nvmet_fc_ls_iod *iod;
spinlock_t lock;
- struct list_head ls_list;
+ struct list_head ls_rcv_list;
+ struct list_head ls_req_list;
struct list_head ls_busylist;
struct list_head assoc_list;
+ struct list_head host_list;
struct ida assoc_cnt;
struct nvmet_fc_port_entry *pe;
struct kref ref;
@@ -136,14 +148,26 @@ struct nvmet_fc_tgt_queue {
struct nvmet_fc_fcp_iod fod[]; /* array of fcp_iods */
} __aligned(sizeof(unsigned long long));
+struct nvmet_fc_hostport {
+ struct nvmet_fc_tgtport *tgtport;
+ void *hosthandle;
+ struct list_head host_list;
+ struct kref ref;
+ u8 invalid;
+};
+
struct nvmet_fc_tgt_assoc {
u64 association_id;
u32 a_id;
+ atomic_t terminating;
struct nvmet_fc_tgtport *tgtport;
+ struct nvmet_fc_hostport *hostport;
+ struct nvmet_fc_ls_iod *rcv_disconn;
struct list_head a_list;
struct nvmet_fc_tgt_queue *queues[NVMET_NR_QUEUES + 1];
struct kref ref;
struct work_struct del_work;
+ atomic_t del_work_active;
};
@@ -227,6 +251,8 @@ static int nvmet_fc_tgtport_get(struct nvmet_fc_tgtport *tgtport);
static void nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
struct nvmet_fc_fcp_iod *fod);
static void nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc);
+static void nvmet_fc_xmt_ls_rsp(struct nvmet_fc_tgtport *tgtport,
+ struct nvmet_fc_ls_iod *iod);
/* *********************** FC-NVME DMA Handling **************************** */
@@ -318,6 +344,188 @@ fc_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents,
}
+/* ********************** FC-NVME LS XMT Handling ************************* */
+
+
+static void
+__nvmet_fc_finish_ls_req(struct nvmet_fc_ls_req_op *lsop)
+{
+ struct nvmet_fc_tgtport *tgtport = lsop->tgtport;
+ struct nvmefc_ls_req *lsreq = &lsop->ls_req;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tgtport->lock, flags);
+
+ if (!lsop->req_queued) {
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+ return;
+ }
+
+ list_del(&lsop->lsreq_list);
+
+ lsop->req_queued = false;
+
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+
+ fc_dma_unmap_single(tgtport->dev, lsreq->rqstdma,
+ (lsreq->rqstlen + lsreq->rsplen),
+ DMA_BIDIRECTIONAL);
+
+ nvmet_fc_tgtport_put(tgtport);
+}
+
+static int
+__nvmet_fc_send_ls_req(struct nvmet_fc_tgtport *tgtport,
+ struct nvmet_fc_ls_req_op *lsop,
+ void (*done)(struct nvmefc_ls_req *req, int status))
+{
+ struct nvmefc_ls_req *lsreq = &lsop->ls_req;
+ unsigned long flags;
+ int ret = 0;
+
+ if (!tgtport->ops->ls_req)
+ return -EOPNOTSUPP;
+
+ if (!nvmet_fc_tgtport_get(tgtport))
+ return -ESHUTDOWN;
+
+ lsreq->done = done;
+ lsop->req_queued = false;
+ INIT_LIST_HEAD(&lsop->lsreq_list);
+
+ lsreq->rqstdma = fc_dma_map_single(tgtport->dev, lsreq->rqstaddr,
+ lsreq->rqstlen + lsreq->rsplen,
+ DMA_BIDIRECTIONAL);
+ if (fc_dma_mapping_error(tgtport->dev, lsreq->rqstdma)) {
+ ret = -EFAULT;
+ goto out_puttgtport;
+ }
+ lsreq->rspdma = lsreq->rqstdma + lsreq->rqstlen;
+
+ spin_lock_irqsave(&tgtport->lock, flags);
+
+ list_add_tail(&lsop->lsreq_list, &tgtport->ls_req_list);
+
+ lsop->req_queued = true;
+
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+
+ ret = tgtport->ops->ls_req(&tgtport->fc_target_port, lsop->hosthandle,
+ lsreq);
+ if (ret)
+ goto out_unlink;
+
+ return 0;
+
+out_unlink:
+ lsop->ls_error = ret;
+ spin_lock_irqsave(&tgtport->lock, flags);
+ lsop->req_queued = false;
+ list_del(&lsop->lsreq_list);
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+ fc_dma_unmap_single(tgtport->dev, lsreq->rqstdma,
+ (lsreq->rqstlen + lsreq->rsplen),
+ DMA_BIDIRECTIONAL);
+out_puttgtport:
+ nvmet_fc_tgtport_put(tgtport);
+
+ return ret;
+}
+
+static int
+nvmet_fc_send_ls_req_async(struct nvmet_fc_tgtport *tgtport,
+ struct nvmet_fc_ls_req_op *lsop,
+ void (*done)(struct nvmefc_ls_req *req, int status))
+{
+ /* don't wait for completion */
+
+ return __nvmet_fc_send_ls_req(tgtport, lsop, done);
+}
+
+static void
+nvmet_fc_disconnect_assoc_done(struct nvmefc_ls_req *lsreq, int status)
+{
+ struct nvmet_fc_ls_req_op *lsop =
+ container_of(lsreq, struct nvmet_fc_ls_req_op, ls_req);
+
+ __nvmet_fc_finish_ls_req(lsop);
+
+ /* fc-nvme target doesn't care about success or failure of cmd */
+
+ kfree(lsop);
+}
+
+/*
+ * This routine sends a FC-NVME LS to disconnect (aka terminate)
+ * the FC-NVME Association. Terminating the association also
+ * terminates the FC-NVME connections (per queue, both admin and io
+ * queues) that are part of the association. E.g. things are torn
+ * down, and the related FC-NVME Association ID and Connection IDs
+ * become invalid.
+ *
+ * The behavior of the fc-nvme target is such that it's
+ * understanding of the association and connections will implicitly
+ * be torn down. The action is implicit as it may be due to a loss of
+ * connectivity with the fc-nvme host, so the target may never get a
+ * response even if it tried. As such, the action of this routine
+ * is to asynchronously send the LS, ignore any results of the LS, and
+ * continue on with terminating the association. If the fc-nvme host
+ * is present and receives the LS, it too can tear down.
+ */
+static void
+nvmet_fc_xmt_disconnect_assoc(struct nvmet_fc_tgt_assoc *assoc)
+{
+ struct nvmet_fc_tgtport *tgtport = assoc->tgtport;
+ struct fcnvme_ls_disconnect_assoc_rqst *discon_rqst;
+ struct fcnvme_ls_disconnect_assoc_acc *discon_acc;
+ struct nvmet_fc_ls_req_op *lsop;
+ struct nvmefc_ls_req *lsreq;
+ int ret;
+
+ /*
+ * If ls_req is NULL or no hosthandle, it's an older lldd and no
+ * message is normal. Otherwise, send unless the hostport has
+ * already been invalidated by the lldd.
+ */
+ if (!tgtport->ops->ls_req || !assoc->hostport ||
+ assoc->hostport->invalid)
+ return;
+
+ lsop = kzalloc((sizeof(*lsop) +
+ sizeof(*discon_rqst) + sizeof(*discon_acc) +
+ tgtport->ops->lsrqst_priv_sz), GFP_KERNEL);
+ if (!lsop) {
+ dev_info(tgtport->dev,
+ "{%d:%d} send Disconnect Association failed: ENOMEM\n",
+ tgtport->fc_target_port.port_num, assoc->a_id);
+ return;
+ }
+
+ discon_rqst = (struct fcnvme_ls_disconnect_assoc_rqst *)&lsop[1];
+ discon_acc = (struct fcnvme_ls_disconnect_assoc_acc *)&discon_rqst[1];
+ lsreq = &lsop->ls_req;
+ if (tgtport->ops->lsrqst_priv_sz)
+ lsreq->private = (void *)&discon_acc[1];
+ else
+ lsreq->private = NULL;
+
+ lsop->tgtport = tgtport;
+ lsop->hosthandle = assoc->hostport->hosthandle;
+
+ nvmefc_fmt_lsreq_discon_assoc(lsreq, discon_rqst, discon_acc,
+ assoc->association_id);
+
+ ret = nvmet_fc_send_ls_req_async(tgtport, lsop,
+ nvmet_fc_disconnect_assoc_done);
+ if (ret) {
+ dev_info(tgtport->dev,
+ "{%d:%d} XMT Disconnect Association failed: %d\n",
+ tgtport->fc_target_port.port_num, assoc->a_id, ret);
+ kfree(lsop);
+ }
+}
+
+
/* *********************** FC-NVME Port Management ************************ */
@@ -337,17 +545,18 @@ nvmet_fc_alloc_ls_iodlist(struct nvmet_fc_tgtport *tgtport)
for (i = 0; i < NVMET_LS_CTX_COUNT; iod++, i++) {
INIT_WORK(&iod->work, nvmet_fc_handle_ls_rqst_work);
iod->tgtport = tgtport;
- list_add_tail(&iod->ls_list, &tgtport->ls_list);
+ list_add_tail(&iod->ls_rcv_list, &tgtport->ls_rcv_list);
- iod->rqstbuf = kcalloc(2, NVME_FC_MAX_LS_BUFFER_SIZE,
- GFP_KERNEL);
+ iod->rqstbuf = kzalloc(sizeof(union nvmefc_ls_requests) +
+ sizeof(union nvmefc_ls_responses),
+ GFP_KERNEL);
if (!iod->rqstbuf)
goto out_fail;
- iod->rspbuf = iod->rqstbuf + NVME_FC_MAX_LS_BUFFER_SIZE;
+ iod->rspbuf = (union nvmefc_ls_responses *)&iod->rqstbuf[1];
iod->rspdma = fc_dma_map_single(tgtport->dev, iod->rspbuf,
- NVME_FC_MAX_LS_BUFFER_SIZE,
+ sizeof(*iod->rspbuf),
DMA_TO_DEVICE);
if (fc_dma_mapping_error(tgtport->dev, iod->rspdma))
goto out_fail;
@@ -357,12 +566,12 @@ nvmet_fc_alloc_ls_iodlist(struct nvmet_fc_tgtport *tgtport)
out_fail:
kfree(iod->rqstbuf);
- list_del(&iod->ls_list);
+ list_del(&iod->ls_rcv_list);
for (iod--, i--; i >= 0; iod--, i--) {
fc_dma_unmap_single(tgtport->dev, iod->rspdma,
- NVME_FC_MAX_LS_BUFFER_SIZE, DMA_TO_DEVICE);
+ sizeof(*iod->rspbuf), DMA_TO_DEVICE);
kfree(iod->rqstbuf);
- list_del(&iod->ls_list);
+ list_del(&iod->ls_rcv_list);
}
kfree(iod);
@@ -378,10 +587,10 @@ nvmet_fc_free_ls_iodlist(struct nvmet_fc_tgtport *tgtport)
for (i = 0; i < NVMET_LS_CTX_COUNT; iod++, i++) {
fc_dma_unmap_single(tgtport->dev,
- iod->rspdma, NVME_FC_MAX_LS_BUFFER_SIZE,
+ iod->rspdma, sizeof(*iod->rspbuf),
DMA_TO_DEVICE);
kfree(iod->rqstbuf);
- list_del(&iod->ls_list);
+ list_del(&iod->ls_rcv_list);
}
kfree(tgtport->iod);
}
@@ -393,10 +602,10 @@ nvmet_fc_alloc_ls_iod(struct nvmet_fc_tgtport *tgtport)
unsigned long flags;
spin_lock_irqsave(&tgtport->lock, flags);
- iod = list_first_entry_or_null(&tgtport->ls_list,
- struct nvmet_fc_ls_iod, ls_list);
+ iod = list_first_entry_or_null(&tgtport->ls_rcv_list,
+ struct nvmet_fc_ls_iod, ls_rcv_list);
if (iod)
- list_move_tail(&iod->ls_list, &tgtport->ls_busylist);
+ list_move_tail(&iod->ls_rcv_list, &tgtport->ls_busylist);
spin_unlock_irqrestore(&tgtport->lock, flags);
return iod;
}
@@ -409,7 +618,7 @@ nvmet_fc_free_ls_iod(struct nvmet_fc_tgtport *tgtport,
unsigned long flags;
spin_lock_irqsave(&tgtport->lock, flags);
- list_move(&iod->ls_list, &tgtport->ls_list);
+ list_move(&iod->ls_rcv_list, &tgtport->ls_rcv_list);
spin_unlock_irqrestore(&tgtport->lock, flags);
}
@@ -678,31 +887,33 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue)
struct nvmet_fc_fcp_iod *fod = queue->fod;
struct nvmet_fc_defer_fcp_req *deferfcp, *tempptr;
unsigned long flags;
- int i, writedataactive;
+ int i;
bool disconnect;
disconnect = atomic_xchg(&queue->connected, 0);
+ /* if not connected, nothing to do */
+ if (!disconnect)
+ return;
+
spin_lock_irqsave(&queue->qlock, flags);
/* abort outstanding io's */
for (i = 0; i < queue->sqsize; fod++, i++) {
if (fod->active) {
spin_lock(&fod->flock);
fod->abort = true;
- writedataactive = fod->writedataactive;
- spin_unlock(&fod->flock);
/*
* only call lldd abort routine if waiting for
* writedata. other outstanding ops should finish
* on their own.
*/
- if (writedataactive) {
- spin_lock(&fod->flock);
+ if (fod->writedataactive) {
fod->aborted = true;
spin_unlock(&fod->flock);
tgtport->ops->fcp_abort(
&tgtport->fc_target_port, fod->fcpreq);
- }
+ } else
+ spin_unlock(&fod->flock);
}
}
@@ -742,8 +953,7 @@ nvmet_fc_delete_target_queue(struct nvmet_fc_tgt_queue *queue)
flush_workqueue(queue->work_q);
- if (disconnect)
- nvmet_sq_destroy(&queue->nvme_sq);
+ nvmet_sq_destroy(&queue->nvme_sq);
nvmet_fc_tgt_q_put(queue);
}
@@ -778,17 +988,114 @@ nvmet_fc_find_target_queue(struct nvmet_fc_tgtport *tgtport,
}
static void
+nvmet_fc_hostport_free(struct kref *ref)
+{
+ struct nvmet_fc_hostport *hostport =
+ container_of(ref, struct nvmet_fc_hostport, ref);
+ struct nvmet_fc_tgtport *tgtport = hostport->tgtport;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tgtport->lock, flags);
+ list_del(&hostport->host_list);
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+ if (tgtport->ops->host_release && hostport->invalid)
+ tgtport->ops->host_release(hostport->hosthandle);
+ kfree(hostport);
+ nvmet_fc_tgtport_put(tgtport);
+}
+
+static void
+nvmet_fc_hostport_put(struct nvmet_fc_hostport *hostport)
+{
+ kref_put(&hostport->ref, nvmet_fc_hostport_free);
+}
+
+static int
+nvmet_fc_hostport_get(struct nvmet_fc_hostport *hostport)
+{
+ return kref_get_unless_zero(&hostport->ref);
+}
+
+static void
+nvmet_fc_free_hostport(struct nvmet_fc_hostport *hostport)
+{
+ /* if LLDD not implemented, leave as NULL */
+ if (!hostport->hosthandle)
+ return;
+
+ nvmet_fc_hostport_put(hostport);
+}
+
+static struct nvmet_fc_hostport *
+nvmet_fc_alloc_hostport(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
+{
+ struct nvmet_fc_hostport *newhost, *host, *match = NULL;
+ unsigned long flags;
+
+ /* if LLDD not implemented, leave as NULL */
+ if (!hosthandle)
+ return NULL;
+
+ /* take reference for what will be the newly allocated hostport */
+ if (!nvmet_fc_tgtport_get(tgtport))
+ return ERR_PTR(-EINVAL);
+
+ newhost = kzalloc(sizeof(*newhost), GFP_KERNEL);
+ if (!newhost) {
+ spin_lock_irqsave(&tgtport->lock, flags);
+ list_for_each_entry(host, &tgtport->host_list, host_list) {
+ if (host->hosthandle == hosthandle && !host->invalid) {
+ if (nvmet_fc_hostport_get(host)) {
+ match = host;
+ break;
+ }
+ }
+ }
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+ /* no allocation - release reference */
+ nvmet_fc_tgtport_put(tgtport);
+ return (match) ? match : ERR_PTR(-ENOMEM);
+ }
+
+ newhost->tgtport = tgtport;
+ newhost->hosthandle = hosthandle;
+ INIT_LIST_HEAD(&newhost->host_list);
+ kref_init(&newhost->ref);
+
+ spin_lock_irqsave(&tgtport->lock, flags);
+ list_for_each_entry(host, &tgtport->host_list, host_list) {
+ if (host->hosthandle == hosthandle && !host->invalid) {
+ if (nvmet_fc_hostport_get(host)) {
+ match = host;
+ break;
+ }
+ }
+ }
+ if (match) {
+ kfree(newhost);
+ newhost = NULL;
+ /* releasing allocation - release reference */
+ nvmet_fc_tgtport_put(tgtport);
+ } else
+ list_add_tail(&newhost->host_list, &tgtport->host_list);
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+
+ return (match) ? match : newhost;
+}
+
+static void
nvmet_fc_delete_assoc(struct work_struct *work)
{
struct nvmet_fc_tgt_assoc *assoc =
container_of(work, struct nvmet_fc_tgt_assoc, del_work);
nvmet_fc_delete_target_assoc(assoc);
+ atomic_set(&assoc->del_work_active, 0);
nvmet_fc_tgt_a_put(assoc);
}
static struct nvmet_fc_tgt_assoc *
-nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport)
+nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
{
struct nvmet_fc_tgt_assoc *assoc, *tmpassoc;
unsigned long flags;
@@ -805,13 +1112,19 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport)
goto out_free_assoc;
if (!nvmet_fc_tgtport_get(tgtport))
- goto out_ida_put;
+ goto out_ida;
+
+ assoc->hostport = nvmet_fc_alloc_hostport(tgtport, hosthandle);
+ if (IS_ERR(assoc->hostport))
+ goto out_put;
assoc->tgtport = tgtport;
assoc->a_id = idx;
INIT_LIST_HEAD(&assoc->a_list);
kref_init(&assoc->ref);
INIT_WORK(&assoc->del_work, nvmet_fc_delete_assoc);
+ atomic_set(&assoc->del_work_active, 0);
+ atomic_set(&assoc->terminating, 0);
while (needrandom) {
get_random_bytes(&ran, sizeof(ran) - BYTES_FOR_QID);
@@ -819,11 +1132,12 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport)
spin_lock_irqsave(&tgtport->lock, flags);
needrandom = false;
- list_for_each_entry(tmpassoc, &tgtport->assoc_list, a_list)
+ list_for_each_entry(tmpassoc, &tgtport->assoc_list, a_list) {
if (ran == tmpassoc->association_id) {
needrandom = true;
break;
}
+ }
if (!needrandom) {
assoc->association_id = ran;
list_add_tail(&assoc->a_list, &tgtport->assoc_list);
@@ -833,7 +1147,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport)
return assoc;
-out_ida_put:
+out_put:
+ nvmet_fc_tgtport_put(tgtport);
+out_ida:
ida_simple_remove(&tgtport->assoc_cnt, idx);
out_free_assoc:
kfree(assoc);
@@ -846,12 +1162,24 @@ nvmet_fc_target_assoc_free(struct kref *ref)
struct nvmet_fc_tgt_assoc *assoc =
container_of(ref, struct nvmet_fc_tgt_assoc, ref);
struct nvmet_fc_tgtport *tgtport = assoc->tgtport;
+ struct nvmet_fc_ls_iod *oldls;
unsigned long flags;
+ /* Send Disconnect now that all i/o has completed */
+ nvmet_fc_xmt_disconnect_assoc(assoc);
+
+ nvmet_fc_free_hostport(assoc->hostport);
spin_lock_irqsave(&tgtport->lock, flags);
list_del(&assoc->a_list);
+ oldls = assoc->rcv_disconn;
spin_unlock_irqrestore(&tgtport->lock, flags);
+ /* if pending Rcv Disconnect Association LS, send rsp now */
+ if (oldls)
+ nvmet_fc_xmt_ls_rsp(tgtport, oldls);
ida_simple_remove(&tgtport->assoc_cnt, assoc->a_id);
+ dev_info(tgtport->dev,
+ "{%d:%d} Association freed\n",
+ tgtport->fc_target_port.port_num, assoc->a_id);
kfree(assoc);
nvmet_fc_tgtport_put(tgtport);
}
@@ -874,7 +1202,13 @@ nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc)
struct nvmet_fc_tgtport *tgtport = assoc->tgtport;
struct nvmet_fc_tgt_queue *queue;
unsigned long flags;
- int i;
+ int i, terminating;
+
+ terminating = atomic_xchg(&assoc->terminating, 1);
+
+ /* if already terminating, do nothing */
+ if (terminating)
+ return;
spin_lock_irqsave(&tgtport->lock, flags);
for (i = NVMET_NR_QUEUES; i >= 0; i--) {
@@ -890,6 +1224,10 @@ nvmet_fc_delete_target_assoc(struct nvmet_fc_tgt_assoc *assoc)
}
spin_unlock_irqrestore(&tgtport->lock, flags);
+ dev_info(tgtport->dev,
+ "{%d:%d} Association deleted\n",
+ tgtport->fc_target_port.port_num, assoc->a_id);
+
nvmet_fc_tgt_a_put(assoc);
}
@@ -1048,16 +1386,21 @@ nvmet_fc_register_targetport(struct nvmet_fc_port_info *pinfo,
newrec->fc_target_port.node_name = pinfo->node_name;
newrec->fc_target_port.port_name = pinfo->port_name;
- newrec->fc_target_port.private = &newrec[1];
+ if (template->target_priv_sz)
+ newrec->fc_target_port.private = &newrec[1];
+ else
+ newrec->fc_target_port.private = NULL;
newrec->fc_target_port.port_id = pinfo->port_id;
newrec->fc_target_port.port_num = idx;
INIT_LIST_HEAD(&newrec->tgt_list);
newrec->dev = dev;
newrec->ops = template;
spin_lock_init(&newrec->lock);
- INIT_LIST_HEAD(&newrec->ls_list);
+ INIT_LIST_HEAD(&newrec->ls_rcv_list);
+ INIT_LIST_HEAD(&newrec->ls_req_list);
INIT_LIST_HEAD(&newrec->ls_busylist);
INIT_LIST_HEAD(&newrec->assoc_list);
+ INIT_LIST_HEAD(&newrec->host_list);
kref_init(&newrec->ref);
ida_init(&newrec->assoc_cnt);
newrec->max_sg_cnt = template->max_sgl_segments;
@@ -1134,17 +1477,90 @@ __nvmet_fc_free_assocs(struct nvmet_fc_tgtport *tgtport)
{
struct nvmet_fc_tgt_assoc *assoc, *next;
unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&tgtport->lock, flags);
+ list_for_each_entry_safe(assoc, next,
+ &tgtport->assoc_list, a_list) {
+ if (!nvmet_fc_tgt_a_get(assoc))
+ continue;
+ ret = atomic_cmpxchg(&assoc->del_work_active, 0, 1);
+ if (ret == 0) {
+ if (!schedule_work(&assoc->del_work))
+ nvmet_fc_tgt_a_put(assoc);
+ } else {
+ /* already deleting - release local reference */
+ nvmet_fc_tgt_a_put(assoc);
+ }
+ }
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+}
+
+/**
+ * nvmet_fc_invalidate_host - transport entry point called by an LLDD
+ * to remove references to a hosthandle for LS's.
+ *
+ * The nvmet-fc layer ensures that any references to the hosthandle
+ * on the targetport are forgotten (set to NULL). The LLDD will
+ * typically call this when a login with a remote host port has been
+ * lost, thus LS's for the remote host port are no longer possible.
+ *
+ * If an LS request is outstanding to the targetport/hosthandle (or
+ * issued concurrently with the call to invalidate the host), the
+ * LLDD is responsible for terminating/aborting the LS and completing
+ * the LS request. It is recommended that these terminations/aborts
+ * occur after calling to invalidate the host handle to avoid additional
+ * retries by the nvmet-fc transport. The nvmet-fc transport may
+ * continue to reference host handle while it cleans up outstanding
+ * NVME associations. The nvmet-fc transport will call the
+ * ops->host_release() callback to notify the LLDD that all references
+ * are complete and the related host handle can be recovered.
+ * Note: if there are no references, the callback may be called before
+ * the invalidate host call returns.
+ *
+ * @target_port: pointer to the (registered) target port that a prior
+ * LS was received on and which supplied the transport the
+ * hosthandle.
+ * @hosthandle: the handle (pointer) that represents the host port
+ * that no longer has connectivity and that LS's should
+ * no longer be directed to.
+ */
+void
+nvmet_fc_invalidate_host(struct nvmet_fc_target_port *target_port,
+ void *hosthandle)
+{
+ struct nvmet_fc_tgtport *tgtport = targetport_to_tgtport(target_port);
+ struct nvmet_fc_tgt_assoc *assoc, *next;
+ unsigned long flags;
+ bool noassoc = true;
+ int ret;
spin_lock_irqsave(&tgtport->lock, flags);
list_for_each_entry_safe(assoc, next,
&tgtport->assoc_list, a_list) {
+ if (!assoc->hostport ||
+ assoc->hostport->hosthandle != hosthandle)
+ continue;
if (!nvmet_fc_tgt_a_get(assoc))
continue;
- if (!schedule_work(&assoc->del_work))
+ assoc->hostport->invalid = 1;
+ noassoc = false;
+ ret = atomic_cmpxchg(&assoc->del_work_active, 0, 1);
+ if (ret == 0) {
+ if (!schedule_work(&assoc->del_work))
+ nvmet_fc_tgt_a_put(assoc);
+ } else {
+ /* already deleting - release local reference */
nvmet_fc_tgt_a_put(assoc);
+ }
}
spin_unlock_irqrestore(&tgtport->lock, flags);
+
+ /* if there's nothing to wait for - call the callback */
+ if (noassoc && tgtport->ops->host_release)
+ tgtport->ops->host_release(hosthandle);
}
+EXPORT_SYMBOL_GPL(nvmet_fc_invalidate_host);
/*
* nvmet layer has called to terminate an association
@@ -1157,6 +1573,7 @@ nvmet_fc_delete_ctrl(struct nvmet_ctrl *ctrl)
struct nvmet_fc_tgt_queue *queue;
unsigned long flags;
bool found_ctrl = false;
+ int ret;
/* this is a bit ugly, but don't want to make locks layered */
spin_lock_irqsave(&nvmet_fc_tgtlock, flags);
@@ -1180,8 +1597,14 @@ nvmet_fc_delete_ctrl(struct nvmet_ctrl *ctrl)
nvmet_fc_tgtport_put(tgtport);
if (found_ctrl) {
- if (!schedule_work(&assoc->del_work))
+ ret = atomic_cmpxchg(&assoc->del_work_active, 0, 1);
+ if (ret == 0) {
+ if (!schedule_work(&assoc->del_work))
+ nvmet_fc_tgt_a_put(assoc);
+ } else {
+ /* already deleting - release local reference */
nvmet_fc_tgt_a_put(assoc);
+ }
return;
}
@@ -1211,6 +1634,13 @@ nvmet_fc_unregister_targetport(struct nvmet_fc_target_port *target_port)
/* terminate any outstanding associations */
__nvmet_fc_free_assocs(tgtport);
+ /*
+ * should terminate LS's as well. However, LS's will be generated
+ * at the tail end of association termination, so they likely don't
+ * exist yet. And even if they did, it's worthwhile to just let
+ * them finish and targetport ref counting will clean things up.
+ */
+
nvmet_fc_tgtport_put(tgtport);
return 0;
@@ -1218,113 +1648,15 @@ nvmet_fc_unregister_targetport(struct nvmet_fc_target_port *target_port)
EXPORT_SYMBOL_GPL(nvmet_fc_unregister_targetport);
-/* *********************** FC-NVME LS Handling **************************** */
-
-
-static void
-nvmet_fc_format_rsp_hdr(void *buf, u8 ls_cmd, __be32 desc_len, u8 rqst_ls_cmd)
-{
- struct fcnvme_ls_acc_hdr *acc = buf;
-
- acc->w0.ls_cmd = ls_cmd;
- acc->desc_list_len = desc_len;
- acc->rqst.desc_tag = cpu_to_be32(FCNVME_LSDESC_RQST);
- acc->rqst.desc_len =
- fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rqst));
- acc->rqst.w0.ls_cmd = rqst_ls_cmd;
-}
+/* ********************** FC-NVME LS RCV Handling ************************* */
-static int
-nvmet_fc_format_rjt(void *buf, u16 buflen, u8 ls_cmd,
- u8 reason, u8 explanation, u8 vendor)
-{
- struct fcnvme_ls_rjt *rjt = buf;
-
- nvmet_fc_format_rsp_hdr(buf, FCNVME_LSDESC_RQST,
- fcnvme_lsdesc_len(sizeof(struct fcnvme_ls_rjt)),
- ls_cmd);
- rjt->rjt.desc_tag = cpu_to_be32(FCNVME_LSDESC_RJT);
- rjt->rjt.desc_len = fcnvme_lsdesc_len(sizeof(struct fcnvme_lsdesc_rjt));
- rjt->rjt.reason_code = reason;
- rjt->rjt.reason_explanation = explanation;
- rjt->rjt.vendor = vendor;
-
- return sizeof(struct fcnvme_ls_rjt);
-}
-
-/* Validation Error indexes into the string table below */
-enum {
- VERR_NO_ERROR = 0,
- VERR_CR_ASSOC_LEN = 1,
- VERR_CR_ASSOC_RQST_LEN = 2,
- VERR_CR_ASSOC_CMD = 3,
- VERR_CR_ASSOC_CMD_LEN = 4,
- VERR_ERSP_RATIO = 5,
- VERR_ASSOC_ALLOC_FAIL = 6,
- VERR_QUEUE_ALLOC_FAIL = 7,
- VERR_CR_CONN_LEN = 8,
- VERR_CR_CONN_RQST_LEN = 9,
- VERR_ASSOC_ID = 10,
- VERR_ASSOC_ID_LEN = 11,
- VERR_NO_ASSOC = 12,
- VERR_CONN_ID = 13,
- VERR_CONN_ID_LEN = 14,
- VERR_NO_CONN = 15,
- VERR_CR_CONN_CMD = 16,
- VERR_CR_CONN_CMD_LEN = 17,
- VERR_DISCONN_LEN = 18,
- VERR_DISCONN_RQST_LEN = 19,
- VERR_DISCONN_CMD = 20,
- VERR_DISCONN_CMD_LEN = 21,
- VERR_DISCONN_SCOPE = 22,
- VERR_RS_LEN = 23,
- VERR_RS_RQST_LEN = 24,
- VERR_RS_CMD = 25,
- VERR_RS_CMD_LEN = 26,
- VERR_RS_RCTL = 27,
- VERR_RS_RO = 28,
-};
-
-static char *validation_errors[] = {
- "OK",
- "Bad CR_ASSOC Length",
- "Bad CR_ASSOC Rqst Length",
- "Not CR_ASSOC Cmd",
- "Bad CR_ASSOC Cmd Length",
- "Bad Ersp Ratio",
- "Association Allocation Failed",
- "Queue Allocation Failed",
- "Bad CR_CONN Length",
- "Bad CR_CONN Rqst Length",
- "Not Association ID",
- "Bad Association ID Length",
- "No Association",
- "Not Connection ID",
- "Bad Connection ID Length",
- "No Connection",
- "Not CR_CONN Cmd",
- "Bad CR_CONN Cmd Length",
- "Bad DISCONN Length",
- "Bad DISCONN Rqst Length",
- "Not DISCONN Cmd",
- "Bad DISCONN Cmd Length",
- "Bad Disconnect Scope",
- "Bad RS Length",
- "Bad RS Rqst Length",
- "Not RS Cmd",
- "Bad RS Cmd Length",
- "Bad RS R_CTL",
- "Bad RS Relative Offset",
-};
static void
nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
struct nvmet_fc_ls_iod *iod)
{
- struct fcnvme_ls_cr_assoc_rqst *rqst =
- (struct fcnvme_ls_cr_assoc_rqst *)iod->rqstbuf;
- struct fcnvme_ls_cr_assoc_acc *acc =
- (struct fcnvme_ls_cr_assoc_acc *)iod->rspbuf;
+ struct fcnvme_ls_cr_assoc_rqst *rqst = &iod->rqstbuf->rq_cr_assoc;
+ struct fcnvme_ls_cr_assoc_acc *acc = &iod->rspbuf->rsp_cr_assoc;
struct nvmet_fc_tgt_queue *queue;
int ret = 0;
@@ -1356,7 +1688,8 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
else {
/* new association w/ admin queue */
- iod->assoc = nvmet_fc_alloc_target_assoc(tgtport);
+ iod->assoc = nvmet_fc_alloc_target_assoc(
+ tgtport, iod->hosthandle);
if (!iod->assoc)
ret = VERR_ASSOC_ALLOC_FAIL;
else {
@@ -1371,8 +1704,8 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
dev_err(tgtport->dev,
"Create Association LS failed: %s\n",
validation_errors[ret]);
- iod->lsreq->rsplen = nvmet_fc_format_rjt(acc,
- NVME_FC_MAX_LS_BUFFER_SIZE, rqst->w0.ls_cmd,
+ iod->lsrsp->rsplen = nvme_fc_format_rjt(acc,
+ sizeof(*acc), rqst->w0.ls_cmd,
FCNVME_RJT_RC_LOGIC,
FCNVME_RJT_EXP_NONE, 0);
return;
@@ -1382,11 +1715,15 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
atomic_set(&queue->connected, 1);
queue->sqhd = 0; /* best place to init value */
+ dev_info(tgtport->dev,
+ "{%d:%d} Association created\n",
+ tgtport->fc_target_port.port_num, iod->assoc->a_id);
+
/* format a response */
- iod->lsreq->rsplen = sizeof(*acc);
+ iod->lsrsp->rsplen = sizeof(*acc);
- nvmet_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
+ nvme_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
fcnvme_lsdesc_len(
sizeof(struct fcnvme_ls_cr_assoc_acc)),
FCNVME_LS_CREATE_ASSOCIATION);
@@ -1407,10 +1744,8 @@ static void
nvmet_fc_ls_create_connection(struct nvmet_fc_tgtport *tgtport,
struct nvmet_fc_ls_iod *iod)
{
- struct fcnvme_ls_cr_conn_rqst *rqst =
- (struct fcnvme_ls_cr_conn_rqst *)iod->rqstbuf;
- struct fcnvme_ls_cr_conn_acc *acc =
- (struct fcnvme_ls_cr_conn_acc *)iod->rspbuf;
+ struct fcnvme_ls_cr_conn_rqst *rqst = &iod->rqstbuf->rq_cr_conn;
+ struct fcnvme_ls_cr_conn_acc *acc = &iod->rspbuf->rsp_cr_conn;
struct nvmet_fc_tgt_queue *queue;
int ret = 0;
@@ -1462,8 +1797,8 @@ nvmet_fc_ls_create_connection(struct nvmet_fc_tgtport *tgtport,
dev_err(tgtport->dev,
"Create Connection LS failed: %s\n",
validation_errors[ret]);
- iod->lsreq->rsplen = nvmet_fc_format_rjt(acc,
- NVME_FC_MAX_LS_BUFFER_SIZE, rqst->w0.ls_cmd,
+ iod->lsrsp->rsplen = nvme_fc_format_rjt(acc,
+ sizeof(*acc), rqst->w0.ls_cmd,
(ret == VERR_NO_ASSOC) ?
FCNVME_RJT_RC_INV_ASSOC :
FCNVME_RJT_RC_LOGIC,
@@ -1477,9 +1812,9 @@ nvmet_fc_ls_create_connection(struct nvmet_fc_tgtport *tgtport,
/* format a response */
- iod->lsreq->rsplen = sizeof(*acc);
+ iod->lsrsp->rsplen = sizeof(*acc);
- nvmet_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
+ nvme_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
fcnvme_lsdesc_len(sizeof(struct fcnvme_ls_cr_conn_acc)),
FCNVME_LS_CREATE_CONNECTION);
acc->connectid.desc_tag = cpu_to_be32(FCNVME_LSDESC_CONN_ID);
@@ -1491,46 +1826,28 @@ nvmet_fc_ls_create_connection(struct nvmet_fc_tgtport *tgtport,
be16_to_cpu(rqst->connect_cmd.qid)));
}
-static void
+/*
+ * Returns true if the LS response is to be transmit
+ * Returns false if the LS response is to be delayed
+ */
+static int
nvmet_fc_ls_disconnect(struct nvmet_fc_tgtport *tgtport,
struct nvmet_fc_ls_iod *iod)
{
struct fcnvme_ls_disconnect_assoc_rqst *rqst =
- (struct fcnvme_ls_disconnect_assoc_rqst *)iod->rqstbuf;
+ &iod->rqstbuf->rq_dis_assoc;
struct fcnvme_ls_disconnect_assoc_acc *acc =
- (struct fcnvme_ls_disconnect_assoc_acc *)iod->rspbuf;
- struct nvmet_fc_tgt_assoc *assoc;
+ &iod->rspbuf->rsp_dis_assoc;
+ struct nvmet_fc_tgt_assoc *assoc = NULL;
+ struct nvmet_fc_ls_iod *oldls = NULL;
+ unsigned long flags;
int ret = 0;
memset(acc, 0, sizeof(*acc));
- if (iod->rqstdatalen < sizeof(struct fcnvme_ls_disconnect_assoc_rqst))
- ret = VERR_DISCONN_LEN;
- else if (rqst->desc_list_len !=
- fcnvme_lsdesc_len(
- sizeof(struct fcnvme_ls_disconnect_assoc_rqst)))
- ret = VERR_DISCONN_RQST_LEN;
- else if (rqst->associd.desc_tag != cpu_to_be32(FCNVME_LSDESC_ASSOC_ID))
- ret = VERR_ASSOC_ID;
- else if (rqst->associd.desc_len !=
- fcnvme_lsdesc_len(
- sizeof(struct fcnvme_lsdesc_assoc_id)))
- ret = VERR_ASSOC_ID_LEN;
- else if (rqst->discon_cmd.desc_tag !=
- cpu_to_be32(FCNVME_LSDESC_DISCONN_CMD))
- ret = VERR_DISCONN_CMD;
- else if (rqst->discon_cmd.desc_len !=
- fcnvme_lsdesc_len(
- sizeof(struct fcnvme_lsdesc_disconn_cmd)))
- ret = VERR_DISCONN_CMD_LEN;
- /*
- * As the standard changed on the LS, check if old format and scope
- * something other than Association (e.g. 0).
- */
- else if (rqst->discon_cmd.rsvd8[0])
- ret = VERR_DISCONN_SCOPE;
- else {
- /* match an active association */
+ ret = nvmefc_vldt_lsreq_discon_assoc(iod->rqstdatalen, rqst);
+ if (!ret) {
+ /* match an active association - takes an assoc ref if !NULL */
assoc = nvmet_fc_find_target_assoc(tgtport,
be64_to_cpu(rqst->associd.association_id));
iod->assoc = assoc;
@@ -1538,34 +1855,63 @@ nvmet_fc_ls_disconnect(struct nvmet_fc_tgtport *tgtport,
ret = VERR_NO_ASSOC;
}
- if (ret) {
+ if (ret || !assoc) {
dev_err(tgtport->dev,
"Disconnect LS failed: %s\n",
validation_errors[ret]);
- iod->lsreq->rsplen = nvmet_fc_format_rjt(acc,
- NVME_FC_MAX_LS_BUFFER_SIZE, rqst->w0.ls_cmd,
+ iod->lsrsp->rsplen = nvme_fc_format_rjt(acc,
+ sizeof(*acc), rqst->w0.ls_cmd,
(ret == VERR_NO_ASSOC) ?
FCNVME_RJT_RC_INV_ASSOC :
- (ret == VERR_NO_CONN) ?
- FCNVME_RJT_RC_INV_CONN :
- FCNVME_RJT_RC_LOGIC,
+ FCNVME_RJT_RC_LOGIC,
FCNVME_RJT_EXP_NONE, 0);
- return;
+ return true;
}
/* format a response */
- iod->lsreq->rsplen = sizeof(*acc);
+ iod->lsrsp->rsplen = sizeof(*acc);
- nvmet_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
+ nvme_fc_format_rsp_hdr(acc, FCNVME_LS_ACC,
fcnvme_lsdesc_len(
sizeof(struct fcnvme_ls_disconnect_assoc_acc)),
FCNVME_LS_DISCONNECT_ASSOC);
/* release get taken in nvmet_fc_find_target_assoc */
- nvmet_fc_tgt_a_put(iod->assoc);
+ nvmet_fc_tgt_a_put(assoc);
+
+ /*
+ * The rules for LS response says the response cannot
+ * go back until ABTS's have been sent for all outstanding
+ * I/O and a Disconnect Association LS has been sent.
+ * So... save off the Disconnect LS to send the response
+ * later. If there was a prior LS already saved, replace
+ * it with the newer one and send a can't perform reject
+ * on the older one.
+ */
+ spin_lock_irqsave(&tgtport->lock, flags);
+ oldls = assoc->rcv_disconn;
+ assoc->rcv_disconn = iod;
+ spin_unlock_irqrestore(&tgtport->lock, flags);
+
+ nvmet_fc_delete_target_assoc(assoc);
- nvmet_fc_delete_target_assoc(iod->assoc);
+ if (oldls) {
+ dev_info(tgtport->dev,
+ "{%d:%d} Multiple Disconnect Association LS's "
+ "received\n",
+ tgtport->fc_target_port.port_num, assoc->a_id);
+ /* overwrite good response with bogus failure */
+ oldls->lsrsp->rsplen = nvme_fc_format_rjt(oldls->rspbuf,
+ sizeof(*iod->rspbuf),
+ /* ok to use rqst, LS is same */
+ rqst->w0.ls_cmd,
+ FCNVME_RJT_RC_UNAB,
+ FCNVME_RJT_EXP_NONE, 0);
+ nvmet_fc_xmt_ls_rsp(tgtport, oldls);
+ }
+
+ return false;
}
@@ -1577,13 +1923,13 @@ static void nvmet_fc_fcp_nvme_cmd_done(struct nvmet_req *nvme_req);
static const struct nvmet_fabrics_ops nvmet_fc_tgt_fcp_ops;
static void
-nvmet_fc_xmt_ls_rsp_done(struct nvmefc_tgt_ls_req *lsreq)
+nvmet_fc_xmt_ls_rsp_done(struct nvmefc_ls_rsp *lsrsp)
{
- struct nvmet_fc_ls_iod *iod = lsreq->nvmet_fc_private;
+ struct nvmet_fc_ls_iod *iod = lsrsp->nvme_fc_private;
struct nvmet_fc_tgtport *tgtport = iod->tgtport;
fc_dma_sync_single_for_cpu(tgtport->dev, iod->rspdma,
- NVME_FC_MAX_LS_BUFFER_SIZE, DMA_TO_DEVICE);
+ sizeof(*iod->rspbuf), DMA_TO_DEVICE);
nvmet_fc_free_ls_iod(tgtport, iod);
nvmet_fc_tgtport_put(tgtport);
}
@@ -1595,11 +1941,11 @@ nvmet_fc_xmt_ls_rsp(struct nvmet_fc_tgtport *tgtport,
int ret;
fc_dma_sync_single_for_device(tgtport->dev, iod->rspdma,
- NVME_FC_MAX_LS_BUFFER_SIZE, DMA_TO_DEVICE);
+ sizeof(*iod->rspbuf), DMA_TO_DEVICE);
- ret = tgtport->ops->xmt_ls_rsp(&tgtport->fc_target_port, iod->lsreq);
+ ret = tgtport->ops->xmt_ls_rsp(&tgtport->fc_target_port, iod->lsrsp);
if (ret)
- nvmet_fc_xmt_ls_rsp_done(iod->lsreq);
+ nvmet_fc_xmt_ls_rsp_done(iod->lsrsp);
}
/*
@@ -1609,15 +1955,15 @@ static void
nvmet_fc_handle_ls_rqst(struct nvmet_fc_tgtport *tgtport,
struct nvmet_fc_ls_iod *iod)
{
- struct fcnvme_ls_rqst_w0 *w0 =
- (struct fcnvme_ls_rqst_w0 *)iod->rqstbuf;
+ struct fcnvme_ls_rqst_w0 *w0 = &iod->rqstbuf->rq_cr_assoc.w0;
+ bool sendrsp = true;
- iod->lsreq->nvmet_fc_private = iod;
- iod->lsreq->rspbuf = iod->rspbuf;
- iod->lsreq->rspdma = iod->rspdma;
- iod->lsreq->done = nvmet_fc_xmt_ls_rsp_done;
+ iod->lsrsp->nvme_fc_private = iod;
+ iod->lsrsp->rspbuf = iod->rspbuf;
+ iod->lsrsp->rspdma = iod->rspdma;
+ iod->lsrsp->done = nvmet_fc_xmt_ls_rsp_done;
/* Be preventative. handlers will later set to valid length */
- iod->lsreq->rsplen = 0;
+ iod->lsrsp->rsplen = 0;
iod->assoc = NULL;
@@ -1637,15 +1983,16 @@ nvmet_fc_handle_ls_rqst(struct nvmet_fc_tgtport *tgtport,
break;
case FCNVME_LS_DISCONNECT_ASSOC:
/* Terminate a Queue/Connection or the Association */
- nvmet_fc_ls_disconnect(tgtport, iod);
+ sendrsp = nvmet_fc_ls_disconnect(tgtport, iod);
break;
default:
- iod->lsreq->rsplen = nvmet_fc_format_rjt(iod->rspbuf,
- NVME_FC_MAX_LS_BUFFER_SIZE, w0->ls_cmd,
+ iod->lsrsp->rsplen = nvme_fc_format_rjt(iod->rspbuf,
+ sizeof(*iod->rspbuf), w0->ls_cmd,
FCNVME_RJT_RC_INVAL, FCNVME_RJT_EXP_NONE, 0);
}
- nvmet_fc_xmt_ls_rsp(tgtport, iod);
+ if (sendrsp)
+ nvmet_fc_xmt_ls_rsp(tgtport, iod);
}
/*
@@ -1674,35 +2021,53 @@ nvmet_fc_handle_ls_rqst_work(struct work_struct *work)
*
* @target_port: pointer to the (registered) target port the LS was
* received on.
- * @lsreq: pointer to a lsreq request structure to be used to reference
+ * @lsrsp: pointer to a lsrsp structure to be used to reference
* the exchange corresponding to the LS.
* @lsreqbuf: pointer to the buffer containing the LS Request
* @lsreqbuf_len: length, in bytes, of the received LS request
*/
int
nvmet_fc_rcv_ls_req(struct nvmet_fc_target_port *target_port,
- struct nvmefc_tgt_ls_req *lsreq,
+ void *hosthandle,
+ struct nvmefc_ls_rsp *lsrsp,
void *lsreqbuf, u32 lsreqbuf_len)
{
struct nvmet_fc_tgtport *tgtport = targetport_to_tgtport(target_port);
struct nvmet_fc_ls_iod *iod;
-
- if (lsreqbuf_len > NVME_FC_MAX_LS_BUFFER_SIZE)
+ struct fcnvme_ls_rqst_w0 *w0 = (struct fcnvme_ls_rqst_w0 *)lsreqbuf;
+
+ if (lsreqbuf_len > sizeof(union nvmefc_ls_requests)) {
+ dev_info(tgtport->dev,
+ "RCV %s LS failed: payload too large (%d)\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "",
+ lsreqbuf_len);
return -E2BIG;
+ }
- if (!nvmet_fc_tgtport_get(tgtport))
+ if (!nvmet_fc_tgtport_get(tgtport)) {
+ dev_info(tgtport->dev,
+ "RCV %s LS failed: target deleting\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
return -ESHUTDOWN;
+ }
iod = nvmet_fc_alloc_ls_iod(tgtport);
if (!iod) {
+ dev_info(tgtport->dev,
+ "RCV %s LS failed: context allocation failed\n",
+ (w0->ls_cmd <= NVME_FC_LAST_LS_CMD_VALUE) ?
+ nvmefc_ls_names[w0->ls_cmd] : "");
nvmet_fc_tgtport_put(tgtport);
return -ENOENT;
}
- iod->lsreq = lsreq;
+ iod->lsrsp = lsrsp;
iod->fcpreq = NULL;
memcpy(iod->rqstbuf, lsreqbuf, lsreqbuf_len);
iod->rqstdatalen = lsreqbuf_len;
+ iod->hosthandle = hosthandle;
schedule_work(&iod->work);
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index f69ce66e2d44..2ff1d1334a03 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -208,10 +208,13 @@ struct fcloop_rport {
};
struct fcloop_tport {
- struct nvmet_fc_target_port *targetport;
- struct nvme_fc_remote_port *remoteport;
- struct fcloop_nport *nport;
- struct fcloop_lport *lport;
+ struct nvmet_fc_target_port *targetport;
+ struct nvme_fc_remote_port *remoteport;
+ struct fcloop_nport *nport;
+ struct fcloop_lport *lport;
+ spinlock_t lock;
+ struct list_head ls_list;
+ struct work_struct ls_work;
};
struct fcloop_nport {
@@ -228,7 +231,8 @@ struct fcloop_nport {
struct fcloop_lsreq {
struct nvmefc_ls_req *lsreq;
- struct nvmefc_tgt_ls_req tgt_ls_req;
+ struct nvmefc_ls_rsp ls_rsp;
+ int lsdir; /* H2T or T2H */
int status;
struct list_head ls_list; /* fcloop_rport->ls_list */
};
@@ -267,9 +271,9 @@ struct fcloop_ini_fcpreq {
};
static inline struct fcloop_lsreq *
-tgt_ls_req_to_lsreq(struct nvmefc_tgt_ls_req *tgt_lsreq)
+ls_rsp_to_lsreq(struct nvmefc_ls_rsp *lsrsp)
{
- return container_of(tgt_lsreq, struct fcloop_lsreq, tgt_ls_req);
+ return container_of(lsrsp, struct fcloop_lsreq, ls_rsp);
}
static inline struct fcloop_fcpreq *
@@ -323,7 +327,7 @@ fcloop_rport_lsrqst_work(struct work_struct *work)
}
static int
-fcloop_ls_req(struct nvme_fc_local_port *localport,
+fcloop_h2t_ls_req(struct nvme_fc_local_port *localport,
struct nvme_fc_remote_port *remoteport,
struct nvmefc_ls_req *lsreq)
{
@@ -344,27 +348,28 @@ fcloop_ls_req(struct nvme_fc_local_port *localport,
}
tls_req->status = 0;
- ret = nvmet_fc_rcv_ls_req(rport->targetport, &tls_req->tgt_ls_req,
- lsreq->rqstaddr, lsreq->rqstlen);
+ ret = nvmet_fc_rcv_ls_req(rport->targetport, rport,
+ &tls_req->ls_rsp,
+ lsreq->rqstaddr, lsreq->rqstlen);
return ret;
}
static int
-fcloop_xmt_ls_rsp(struct nvmet_fc_target_port *targetport,
- struct nvmefc_tgt_ls_req *tgt_lsreq)
+fcloop_h2t_xmt_ls_rsp(struct nvmet_fc_target_port *targetport,
+ struct nvmefc_ls_rsp *lsrsp)
{
- struct fcloop_lsreq *tls_req = tgt_ls_req_to_lsreq(tgt_lsreq);
+ struct fcloop_lsreq *tls_req = ls_rsp_to_lsreq(lsrsp);
struct nvmefc_ls_req *lsreq = tls_req->lsreq;
struct fcloop_tport *tport = targetport->private;
struct nvme_fc_remote_port *remoteport = tport->remoteport;
struct fcloop_rport *rport;
- memcpy(lsreq->rspaddr, tgt_lsreq->rspbuf,
- ((lsreq->rsplen < tgt_lsreq->rsplen) ?
- lsreq->rsplen : tgt_lsreq->rsplen));
+ memcpy(lsreq->rspaddr, lsrsp->rspbuf,
+ ((lsreq->rsplen < lsrsp->rsplen) ?
+ lsreq->rsplen : lsrsp->rsplen));
- tgt_lsreq->done(tgt_lsreq);
+ lsrsp->done(lsrsp);
if (remoteport) {
rport = remoteport->private;
@@ -377,6 +382,99 @@ fcloop_xmt_ls_rsp(struct nvmet_fc_target_port *targetport,
return 0;
}
+static void
+fcloop_tport_lsrqst_work(struct work_struct *work)
+{
+ struct fcloop_tport *tport =
+ container_of(work, struct fcloop_tport, ls_work);
+ struct fcloop_lsreq *tls_req;
+
+ spin_lock(&tport->lock);
+ for (;;) {
+ tls_req = list_first_entry_or_null(&tport->ls_list,
+ struct fcloop_lsreq, ls_list);
+ if (!tls_req)
+ break;
+
+ list_del(&tls_req->ls_list);
+ spin_unlock(&tport->lock);
+
+ tls_req->lsreq->done(tls_req->lsreq, tls_req->status);
+ /*
+ * callee may free memory containing tls_req.
+ * do not reference lsreq after this.
+ */
+
+ spin_lock(&tport->lock);
+ }
+ spin_unlock(&tport->lock);
+}
+
+static int
+fcloop_t2h_ls_req(struct nvmet_fc_target_port *targetport, void *hosthandle,
+ struct nvmefc_ls_req *lsreq)
+{
+ struct fcloop_lsreq *tls_req = lsreq->private;
+ struct fcloop_tport *tport = targetport->private;
+ int ret = 0;
+
+ /*
+ * hosthandle should be the dst.rport value.
+ * hosthandle ignored as fcloop currently is
+ * 1:1 tgtport vs remoteport
+ */
+ tls_req->lsreq = lsreq;
+ INIT_LIST_HEAD(&tls_req->ls_list);
+
+ if (!tport->remoteport) {
+ tls_req->status = -ECONNREFUSED;
+ spin_lock(&tport->lock);
+ list_add_tail(&tport->ls_list, &tls_req->ls_list);
+ spin_unlock(&tport->lock);
+ schedule_work(&tport->ls_work);
+ return ret;
+ }
+
+ tls_req->status = 0;
+ ret = nvme_fc_rcv_ls_req(tport->remoteport, &tls_req->ls_rsp,
+ lsreq->rqstaddr, lsreq->rqstlen);
+
+ return ret;
+}
+
+static int
+fcloop_t2h_xmt_ls_rsp(struct nvme_fc_local_port *localport,
+ struct nvme_fc_remote_port *remoteport,
+ struct nvmefc_ls_rsp *lsrsp)
+{
+ struct fcloop_lsreq *tls_req = ls_rsp_to_lsreq(lsrsp);
+ struct nvmefc_ls_req *lsreq = tls_req->lsreq;
+ struct fcloop_rport *rport = remoteport->private;
+ struct nvmet_fc_target_port *targetport = rport->targetport;
+ struct fcloop_tport *tport;
+
+ memcpy(lsreq->rspaddr, lsrsp->rspbuf,
+ ((lsreq->rsplen < lsrsp->rsplen) ?
+ lsreq->rsplen : lsrsp->rsplen));
+ lsrsp->done(lsrsp);
+
+ if (targetport) {
+ tport = targetport->private;
+ spin_lock(&tport->lock);
+ list_add_tail(&tport->ls_list, &tls_req->ls_list);
+ spin_unlock(&tport->lock);
+ schedule_work(&tport->ls_work);
+ }
+
+ return 0;
+}
+
+static void
+fcloop_t2h_host_release(void *hosthandle)
+{
+ /* host handle ignored for now */
+}
+
/*
* Simulate reception of RSCN and converting it to a initiator transport
* call to rescan a remote port.
@@ -762,13 +860,19 @@ fcloop_fcp_req_release(struct nvmet_fc_target_port *tgtport,
}
static void
-fcloop_ls_abort(struct nvme_fc_local_port *localport,
+fcloop_h2t_ls_abort(struct nvme_fc_local_port *localport,
struct nvme_fc_remote_port *remoteport,
struct nvmefc_ls_req *lsreq)
{
}
static void
+fcloop_t2h_ls_abort(struct nvmet_fc_target_port *targetport,
+ void *hosthandle, struct nvmefc_ls_req *lsreq)
+{
+}
+
+static void
fcloop_fcp_abort(struct nvme_fc_local_port *localport,
struct nvme_fc_remote_port *remoteport,
void *hw_queue_handle,
@@ -867,6 +971,7 @@ fcloop_targetport_delete(struct nvmet_fc_target_port *targetport)
{
struct fcloop_tport *tport = targetport->private;
+ flush_work(&tport->ls_work);
fcloop_nport_put(tport->nport);
}
@@ -879,10 +984,11 @@ static struct nvme_fc_port_template fctemplate = {
.remoteport_delete = fcloop_remoteport_delete,
.create_queue = fcloop_create_queue,
.delete_queue = fcloop_delete_queue,
- .ls_req = fcloop_ls_req,
+ .ls_req = fcloop_h2t_ls_req,
.fcp_io = fcloop_fcp_req,
- .ls_abort = fcloop_ls_abort,
+ .ls_abort = fcloop_h2t_ls_abort,
.fcp_abort = fcloop_fcp_abort,
+ .xmt_ls_rsp = fcloop_t2h_xmt_ls_rsp,
.max_hw_queues = FCLOOP_HW_QUEUES,
.max_sgl_segments = FCLOOP_SGL_SEGS,
.max_dif_sgl_segments = FCLOOP_SGL_SEGS,
@@ -896,11 +1002,14 @@ static struct nvme_fc_port_template fctemplate = {
static struct nvmet_fc_target_template tgttemplate = {
.targetport_delete = fcloop_targetport_delete,
- .xmt_ls_rsp = fcloop_xmt_ls_rsp,
+ .xmt_ls_rsp = fcloop_h2t_xmt_ls_rsp,
.fcp_op = fcloop_fcp_op,
.fcp_abort = fcloop_tgt_fcp_abort,
.fcp_req_release = fcloop_fcp_req_release,
.discovery_event = fcloop_tgt_discovery_evt,
+ .ls_req = fcloop_t2h_ls_req,
+ .ls_abort = fcloop_t2h_ls_abort,
+ .host_release = fcloop_t2h_host_release,
.max_hw_queues = FCLOOP_HW_QUEUES,
.max_sgl_segments = FCLOOP_SGL_SEGS,
.max_dif_sgl_segments = FCLOOP_SGL_SEGS,
@@ -909,6 +1018,7 @@ static struct nvmet_fc_target_template tgttemplate = {
.target_features = 0,
/* sizes of additional private data for data structures */
.target_priv_sz = sizeof(struct fcloop_tport),
+ .lsrqst_priv_sz = sizeof(struct fcloop_lsreq),
};
static ssize_t
@@ -1258,6 +1368,9 @@ fcloop_create_target_port(struct device *dev, struct device_attribute *attr,
tport->nport = nport;
tport->lport = nport->lport;
nport->tport = tport;
+ spin_lock_init(&tport->lock);
+ INIT_WORK(&tport->ls_work, fcloop_tport_lsrqst_work);
+ INIT_LIST_HEAD(&tport->ls_list);
return count;
}
diff --git a/drivers/nvme/target/io-cmd-bdev.c b/drivers/nvme/target/io-cmd-bdev.c
index ea0e596be15d..3dd6f566a240 100644
--- a/drivers/nvme/target/io-cmd-bdev.c
+++ b/drivers/nvme/target/io-cmd-bdev.c
@@ -47,6 +47,22 @@ void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id)
id->nows = to0based(ql->io_opt / ql->logical_block_size);
}
+static void nvmet_bdev_ns_enable_integrity(struct nvmet_ns *ns)
+{
+ struct blk_integrity *bi = bdev_get_integrity(ns->bdev);
+
+ if (bi) {
+ ns->metadata_size = bi->tuple_size;
+ if (bi->profile == &t10_pi_type1_crc)
+ ns->pi_type = NVME_NS_DPS_PI_TYPE1;
+ else if (bi->profile == &t10_pi_type3_crc)
+ ns->pi_type = NVME_NS_DPS_PI_TYPE3;
+ else
+ /* Unsupported metadata type */
+ ns->metadata_size = 0;
+ }
+}
+
int nvmet_bdev_ns_enable(struct nvmet_ns *ns)
{
int ret;
@@ -64,6 +80,12 @@ int nvmet_bdev_ns_enable(struct nvmet_ns *ns)
}
ns->size = i_size_read(ns->bdev->bd_inode);
ns->blksize_shift = blksize_bits(bdev_logical_block_size(ns->bdev));
+
+ ns->pi_type = 0;
+ ns->metadata_size = 0;
+ if (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY_T10))
+ nvmet_bdev_ns_enable_integrity(ns);
+
return 0;
}
@@ -75,6 +97,11 @@ void nvmet_bdev_ns_disable(struct nvmet_ns *ns)
}
}
+void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns)
+{
+ ns->size = i_size_read(ns->bdev->bd_inode);
+}
+
static u16 blk_to_nvme_status(struct nvmet_req *req, blk_status_t blk_sts)
{
u16 status = NVME_SC_SUCCESS;
@@ -142,6 +169,61 @@ static void nvmet_bio_done(struct bio *bio)
bio_put(bio);
}
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+static int nvmet_bdev_alloc_bip(struct nvmet_req *req, struct bio *bio,
+ struct sg_mapping_iter *miter)
+{
+ struct blk_integrity *bi;
+ struct bio_integrity_payload *bip;
+ struct block_device *bdev = req->ns->bdev;
+ int rc;
+ size_t resid, len;
+
+ bi = bdev_get_integrity(bdev);
+ if (unlikely(!bi)) {
+ pr_err("Unable to locate bio_integrity\n");
+ return -ENODEV;
+ }
+
+ bip = bio_integrity_alloc(bio, GFP_NOIO,
+ min_t(unsigned int, req->metadata_sg_cnt, BIO_MAX_PAGES));
+ if (IS_ERR(bip)) {
+ pr_err("Unable to allocate bio_integrity_payload\n");
+ return PTR_ERR(bip);
+ }
+
+ bip->bip_iter.bi_size = bio_integrity_bytes(bi, bio_sectors(bio));
+ /* virtual start sector must be in integrity interval units */
+ bip_set_seed(bip, bio->bi_iter.bi_sector >>
+ (bi->interval_exp - SECTOR_SHIFT));
+
+ resid = bip->bip_iter.bi_size;
+ while (resid > 0 && sg_miter_next(miter)) {
+ len = min_t(size_t, miter->length, resid);
+ rc = bio_integrity_add_page(bio, miter->page, len,
+ offset_in_page(miter->addr));
+ if (unlikely(rc != len)) {
+ pr_err("bio_integrity_add_page() failed; %d\n", rc);
+ sg_miter_stop(miter);
+ return -ENOMEM;
+ }
+
+ resid -= len;
+ if (len < miter->length)
+ miter->consumed -= miter->length - len;
+ }
+ sg_miter_stop(miter);
+
+ return 0;
+}
+#else
+static int nvmet_bdev_alloc_bip(struct nvmet_req *req, struct bio *bio,
+ struct sg_mapping_iter *miter)
+{
+ return -EINVAL;
+}
+#endif /* CONFIG_BLK_DEV_INTEGRITY */
+
static void nvmet_bdev_execute_rw(struct nvmet_req *req)
{
int sg_cnt = req->sg_cnt;
@@ -149,9 +231,12 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
struct scatterlist *sg;
struct blk_plug plug;
sector_t sector;
- int op, i;
+ int op, i, rc;
+ struct sg_mapping_iter prot_miter;
+ unsigned int iter_flags;
+ unsigned int total_len = nvmet_rw_data_len(req) + req->metadata_len;
- if (!nvmet_check_data_len(req, nvmet_rw_len(req)))
+ if (!nvmet_check_transfer_len(req, total_len))
return;
if (!req->sg_cnt) {
@@ -163,8 +248,10 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
op = REQ_OP_WRITE | REQ_SYNC | REQ_IDLE;
if (req->cmd->rw.control & cpu_to_le16(NVME_RW_FUA))
op |= REQ_FUA;
+ iter_flags = SG_MITER_TO_SG;
} else {
op = REQ_OP_READ;
+ iter_flags = SG_MITER_FROM_SG;
}
if (is_pci_p2pdma_page(sg_page(req->sg)))
@@ -186,11 +273,24 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
bio->bi_opf = op;
blk_start_plug(&plug);
+ if (req->metadata_len)
+ sg_miter_start(&prot_miter, req->metadata_sg,
+ req->metadata_sg_cnt, iter_flags);
+
for_each_sg(req->sg, sg, req->sg_cnt, i) {
while (bio_add_page(bio, sg_page(sg), sg->length, sg->offset)
!= sg->length) {
struct bio *prev = bio;
+ if (req->metadata_len) {
+ rc = nvmet_bdev_alloc_bip(req, bio,
+ &prot_miter);
+ if (unlikely(rc)) {
+ bio_io_error(bio);
+ return;
+ }
+ }
+
bio = bio_alloc(GFP_KERNEL, min(sg_cnt, BIO_MAX_PAGES));
bio_set_dev(bio, req->ns->bdev);
bio->bi_iter.bi_sector = sector;
@@ -204,6 +304,14 @@ static void nvmet_bdev_execute_rw(struct nvmet_req *req)
sg_cnt--;
}
+ if (req->metadata_len) {
+ rc = nvmet_bdev_alloc_bip(req, bio, &prot_miter);
+ if (unlikely(rc)) {
+ bio_io_error(bio);
+ return;
+ }
+ }
+
submit_bio(bio);
blk_finish_plug(&plug);
}
@@ -212,7 +320,7 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req)
{
struct bio *bio = &req->b.inline_bio;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
bio_init(bio, req->inline_bvec, ARRAY_SIZE(req->inline_bvec));
@@ -226,7 +334,7 @@ static void nvmet_bdev_execute_flush(struct nvmet_req *req)
u16 nvmet_bdev_flush(struct nvmet_req *req)
{
- if (blkdev_issue_flush(req->ns->bdev, GFP_KERNEL, NULL))
+ if (blkdev_issue_flush(req->ns->bdev, GFP_KERNEL))
return NVME_SC_INTERNAL | NVME_SC_DNR;
return 0;
}
@@ -304,7 +412,7 @@ static void nvmet_bdev_execute_write_zeroes(struct nvmet_req *req)
sector_t nr_sector;
int ret;
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
sector = le64_to_cpu(write_zeroes->slba) <<
@@ -331,6 +439,8 @@ u16 nvmet_bdev_parse_io_cmd(struct nvmet_req *req)
case nvme_cmd_read:
case nvme_cmd_write:
req->execute = nvmet_bdev_execute_rw;
+ if (req->sq->ctrl->pi_support && nvmet_ns_has_pi(req->ns))
+ req->metadata_len = nvmet_rw_metadata_len(req);
return 0;
case nvme_cmd_flush:
req->execute = nvmet_bdev_execute_flush;
diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index cd5670b83118..0abbefd9925e 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -13,6 +13,18 @@
#define NVMET_MAX_MPOOL_BVEC 16
#define NVMET_MIN_MPOOL_OBJ 16
+int nvmet_file_ns_revalidate(struct nvmet_ns *ns)
+{
+ struct kstat stat;
+ int ret;
+
+ ret = vfs_getattr(&ns->file->f_path, &stat, STATX_SIZE,
+ AT_STATX_FORCE_SYNC);
+ if (!ret)
+ ns->size = stat.size;
+ return ret;
+}
+
void nvmet_file_ns_disable(struct nvmet_ns *ns)
{
if (ns->file) {
@@ -30,7 +42,6 @@ void nvmet_file_ns_disable(struct nvmet_ns *ns)
int nvmet_file_ns_enable(struct nvmet_ns *ns)
{
int flags = O_RDWR | O_LARGEFILE;
- struct kstat stat;
int ret;
if (!ns->buffered_io)
@@ -43,12 +54,10 @@ int nvmet_file_ns_enable(struct nvmet_ns *ns)
return PTR_ERR(ns->file);
}
- ret = vfs_getattr(&ns->file->f_path,
- &stat, STATX_SIZE, AT_STATX_FORCE_SYNC);
+ ret = nvmet_file_ns_revalidate(ns);
if (ret)
goto err;
- ns->size = stat.size;
/*
* i_blkbits can be greater than the universally accepted upper bound,
* so make sure we export a sane namespace lba_shift.
@@ -232,7 +241,7 @@ static void nvmet_file_execute_rw(struct nvmet_req *req)
{
ssize_t nr_bvec = req->sg_cnt;
- if (!nvmet_check_data_len(req, nvmet_rw_len(req)))
+ if (!nvmet_check_transfer_len(req, nvmet_rw_data_len(req)))
return;
if (!req->sg_cnt || !nr_bvec) {
@@ -276,7 +285,7 @@ static void nvmet_file_flush_work(struct work_struct *w)
static void nvmet_file_execute_flush(struct nvmet_req *req)
{
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
INIT_WORK(&req->f.work, nvmet_file_flush_work);
schedule_work(&req->f.work);
@@ -366,7 +375,7 @@ static void nvmet_file_write_zeroes_work(struct work_struct *w)
static void nvmet_file_execute_write_zeroes(struct nvmet_req *req)
{
- if (!nvmet_check_data_len(req, 0))
+ if (!nvmet_check_transfer_len(req, 0))
return;
INIT_WORK(&req->f.work, nvmet_file_write_zeroes_work);
schedule_work(&req->f.work);
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 421dff3ea143..809691291e73 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -19,6 +19,7 @@
#include <linux/rcupdate.h>
#include <linux/blkdev.h>
#include <linux/radix-tree.h>
+#include <linux/t10-pi.h>
#define NVMET_ASYNC_EVENTS 4
#define NVMET_ERROR_LOG_SLOTS 128
@@ -77,6 +78,8 @@ struct nvmet_ns {
int use_p2pmem;
struct pci_dev *p2p_dev;
+ int pi_type;
+ int metadata_size;
};
static inline struct nvmet_ns *to_nvmet_ns(struct config_item *item)
@@ -142,6 +145,7 @@ struct nvmet_port {
bool enabled;
int inline_data_size;
const struct nvmet_fabrics_ops *tr_ops;
+ bool pi_enable;
};
static inline struct nvmet_port *to_nvmet_port(struct config_item *item)
@@ -201,6 +205,7 @@ struct nvmet_ctrl {
spinlock_t error_lock;
u64 err_counter;
struct nvme_error_slot slots[NVMET_ERROR_LOG_SLOTS];
+ bool pi_support;
};
struct nvmet_subsys_model {
@@ -230,6 +235,7 @@ struct nvmet_subsys {
u64 ver;
u64 serial;
char *subsysnqn;
+ bool pi_support;
struct config_group group;
@@ -281,6 +287,7 @@ struct nvmet_fabrics_ops {
unsigned int type;
unsigned int msdbd;
bool has_keyed_sgls : 1;
+ bool metadata_support : 1;
void (*queue_response)(struct nvmet_req *req);
int (*add_port)(struct nvmet_port *port);
void (*remove_port)(struct nvmet_port *port);
@@ -302,6 +309,7 @@ struct nvmet_req {
struct nvmet_cq *cq;
struct nvmet_ns *ns;
struct scatterlist *sg;
+ struct scatterlist *metadata_sg;
struct bio_vec inline_bvec[NVMET_MAX_INLINE_BIOVEC];
union {
struct {
@@ -315,8 +323,10 @@ struct nvmet_req {
} f;
};
int sg_cnt;
+ int metadata_sg_cnt;
/* data length as parsed from the SGL descriptor: */
size_t transfer_len;
+ size_t metadata_len;
struct nvmet_port *port;
@@ -384,11 +394,11 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req);
bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops);
void nvmet_req_uninit(struct nvmet_req *req);
-bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len);
+bool nvmet_check_transfer_len(struct nvmet_req *req, size_t len);
bool nvmet_check_data_len_lte(struct nvmet_req *req, size_t data_len);
void nvmet_req_complete(struct nvmet_req *req, u16 status);
-int nvmet_req_alloc_sgl(struct nvmet_req *req);
-void nvmet_req_free_sgl(struct nvmet_req *req);
+int nvmet_req_alloc_sgls(struct nvmet_req *req);
+void nvmet_req_free_sgls(struct nvmet_req *req);
void nvmet_execute_keep_alive(struct nvmet_req *req);
@@ -498,13 +508,24 @@ void nvmet_file_ns_disable(struct nvmet_ns *ns);
u16 nvmet_bdev_flush(struct nvmet_req *req);
u16 nvmet_file_flush(struct nvmet_req *req);
void nvmet_ns_changed(struct nvmet_subsys *subsys, u32 nsid);
+void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns);
+int nvmet_file_ns_revalidate(struct nvmet_ns *ns);
+void nvmet_ns_revalidate(struct nvmet_ns *ns);
-static inline u32 nvmet_rw_len(struct nvmet_req *req)
+static inline u32 nvmet_rw_data_len(struct nvmet_req *req)
{
return ((u32)le16_to_cpu(req->cmd->rw.length) + 1) <<
req->ns->blksize_shift;
}
+static inline u32 nvmet_rw_metadata_len(struct nvmet_req *req)
+{
+ if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY))
+ return 0;
+ return ((u32)le16_to_cpu(req->cmd->rw.length) + 1) *
+ req->ns->metadata_size;
+}
+
static inline u32 nvmet_dsm_len(struct nvmet_req *req)
{
return (le32_to_cpu(req->cmd->dsm.nr) + 1) *
@@ -519,4 +540,11 @@ static inline __le16 to0based(u32 a)
return cpu_to_le16(max(1U, min(1U << 16, a)) - 1);
}
+static inline bool nvmet_ns_has_pi(struct nvmet_ns *ns)
+{
+ if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY))
+ return false;
+ return ns->pi_type && ns->metadata_size == sizeof(struct t10_pi_tuple);
+}
+
#endif /* _NVMET_H */
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index fd47de0e4e4e..d5141780592e 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -33,6 +33,9 @@
/* Assume mpsmin == device_page_size == 4KB */
#define NVMET_RDMA_MAX_MDTS 8
+#define NVMET_RDMA_MAX_METADATA_MDTS 5
+
+struct nvmet_rdma_srq;
struct nvmet_rdma_cmd {
struct ib_sge sge[NVMET_RDMA_MAX_INLINE_SGE + 1];
@@ -41,6 +44,7 @@ struct nvmet_rdma_cmd {
struct scatterlist inline_sg[NVMET_RDMA_MAX_INLINE_SGE];
struct nvme_command *nvme_cmd;
struct nvmet_rdma_queue *queue;
+ struct nvmet_rdma_srq *nsrq;
};
enum {
@@ -57,6 +61,7 @@ struct nvmet_rdma_rsp {
struct nvmet_rdma_queue *queue;
struct ib_cqe read_cqe;
+ struct ib_cqe write_cqe;
struct rdma_rw_ctx rw;
struct nvmet_req req;
@@ -83,6 +88,7 @@ struct nvmet_rdma_queue {
struct ib_cq *cq;
atomic_t sq_wr_avail;
struct nvmet_rdma_device *dev;
+ struct nvmet_rdma_srq *nsrq;
spinlock_t state_lock;
enum nvmet_rdma_queue_state state;
struct nvmet_cq nvme_cq;
@@ -100,6 +106,7 @@ struct nvmet_rdma_queue {
int idx;
int host_qid;
+ int comp_vector;
int recv_queue_size;
int send_queue_size;
@@ -113,11 +120,17 @@ struct nvmet_rdma_port {
struct delayed_work repair_work;
};
+struct nvmet_rdma_srq {
+ struct ib_srq *srq;
+ struct nvmet_rdma_cmd *cmds;
+ struct nvmet_rdma_device *ndev;
+};
+
struct nvmet_rdma_device {
struct ib_device *device;
struct ib_pd *pd;
- struct ib_srq *srq;
- struct nvmet_rdma_cmd *srq_cmds;
+ struct nvmet_rdma_srq **srqs;
+ int srq_count;
size_t srq_size;
struct kref ref;
struct list_head entry;
@@ -129,6 +142,16 @@ static bool nvmet_rdma_use_srq;
module_param_named(use_srq, nvmet_rdma_use_srq, bool, 0444);
MODULE_PARM_DESC(use_srq, "Use shared receive queue.");
+static int srq_size_set(const char *val, const struct kernel_param *kp);
+static const struct kernel_param_ops srq_size_ops = {
+ .set = srq_size_set,
+ .get = param_get_int,
+};
+
+static int nvmet_rdma_srq_size = 1024;
+module_param_cb(srq_size, &srq_size_ops, &nvmet_rdma_srq_size, 0644);
+MODULE_PARM_DESC(srq_size, "set Shared Receive Queue (SRQ) size, should >= 256 (default: 1024)");
+
static DEFINE_IDA(nvmet_rdma_queue_ida);
static LIST_HEAD(nvmet_rdma_queue_list);
static DEFINE_MUTEX(nvmet_rdma_queue_mutex);
@@ -140,6 +163,7 @@ static bool nvmet_rdma_execute_command(struct nvmet_rdma_rsp *rsp);
static void nvmet_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc);
static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc);
static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc);
+static void nvmet_rdma_write_data_done(struct ib_cq *cq, struct ib_wc *wc);
static void nvmet_rdma_qp_event(struct ib_event *event, void *priv);
static void nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue);
static void nvmet_rdma_free_rsp(struct nvmet_rdma_device *ndev,
@@ -149,6 +173,17 @@ static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev,
static const struct nvmet_fabrics_ops nvmet_rdma_ops;
+static int srq_size_set(const char *val, const struct kernel_param *kp)
+{
+ int n = 0, ret;
+
+ ret = kstrtoint(val, 10, &n);
+ if (ret != 0 || n < 256)
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
static int num_pages(int len)
{
return 1 + (((len - 1) & PAGE_MASK) >> PAGE_SHIFT);
@@ -391,6 +426,9 @@ static int nvmet_rdma_alloc_rsp(struct nvmet_rdma_device *ndev,
/* Data In / RDMA READ */
r->read_cqe.done = nvmet_rdma_read_data_done;
+ /* Data Out / RDMA WRITE */
+ r->write_cqe.done = nvmet_rdma_write_data_done;
+
return 0;
out_free_rsp:
@@ -466,8 +504,8 @@ static int nvmet_rdma_post_recv(struct nvmet_rdma_device *ndev,
cmd->sge[0].addr, cmd->sge[0].length,
DMA_FROM_DEVICE);
- if (ndev->srq)
- ret = ib_post_srq_recv(ndev->srq, &cmd->wr, NULL);
+ if (cmd->nsrq)
+ ret = ib_post_srq_recv(cmd->nsrq->srq, &cmd->wr, NULL);
else
ret = ib_post_recv(cmd->queue->qp, &cmd->wr, NULL);
@@ -500,6 +538,129 @@ static void nvmet_rdma_process_wr_wait_list(struct nvmet_rdma_queue *queue)
spin_unlock(&queue->rsp_wr_wait_lock);
}
+static u16 nvmet_rdma_check_pi_status(struct ib_mr *sig_mr)
+{
+ struct ib_mr_status mr_status;
+ int ret;
+ u16 status = 0;
+
+ ret = ib_check_mr_status(sig_mr, IB_MR_CHECK_SIG_STATUS, &mr_status);
+ if (ret) {
+ pr_err("ib_check_mr_status failed, ret %d\n", ret);
+ return NVME_SC_INVALID_PI;
+ }
+
+ if (mr_status.fail_status & IB_MR_CHECK_SIG_STATUS) {
+ switch (mr_status.sig_err.err_type) {
+ case IB_SIG_BAD_GUARD:
+ status = NVME_SC_GUARD_CHECK;
+ break;
+ case IB_SIG_BAD_REFTAG:
+ status = NVME_SC_REFTAG_CHECK;
+ break;
+ case IB_SIG_BAD_APPTAG:
+ status = NVME_SC_APPTAG_CHECK;
+ break;
+ }
+ pr_err("PI error found type %d expected 0x%x vs actual 0x%x\n",
+ mr_status.sig_err.err_type,
+ mr_status.sig_err.expected,
+ mr_status.sig_err.actual);
+ }
+
+ return status;
+}
+
+static void nvmet_rdma_set_sig_domain(struct blk_integrity *bi,
+ struct nvme_command *cmd, struct ib_sig_domain *domain,
+ u16 control, u8 pi_type)
+{
+ domain->sig_type = IB_SIG_TYPE_T10_DIF;
+ domain->sig.dif.bg_type = IB_T10DIF_CRC;
+ domain->sig.dif.pi_interval = 1 << bi->interval_exp;
+ domain->sig.dif.ref_tag = le32_to_cpu(cmd->rw.reftag);
+ if (control & NVME_RW_PRINFO_PRCHK_REF)
+ domain->sig.dif.ref_remap = true;
+
+ domain->sig.dif.app_tag = le16_to_cpu(cmd->rw.apptag);
+ domain->sig.dif.apptag_check_mask = le16_to_cpu(cmd->rw.appmask);
+ domain->sig.dif.app_escape = true;
+ if (pi_type == NVME_NS_DPS_PI_TYPE3)
+ domain->sig.dif.ref_escape = true;
+}
+
+static void nvmet_rdma_set_sig_attrs(struct nvmet_req *req,
+ struct ib_sig_attrs *sig_attrs)
+{
+ struct nvme_command *cmd = req->cmd;
+ u16 control = le16_to_cpu(cmd->rw.control);
+ u8 pi_type = req->ns->pi_type;
+ struct blk_integrity *bi;
+
+ bi = bdev_get_integrity(req->ns->bdev);
+
+ memset(sig_attrs, 0, sizeof(*sig_attrs));
+
+ if (control & NVME_RW_PRINFO_PRACT) {
+ /* for WRITE_INSERT/READ_STRIP no wire domain */
+ sig_attrs->wire.sig_type = IB_SIG_TYPE_NONE;
+ nvmet_rdma_set_sig_domain(bi, cmd, &sig_attrs->mem, control,
+ pi_type);
+ /* Clear the PRACT bit since HCA will generate/verify the PI */
+ control &= ~NVME_RW_PRINFO_PRACT;
+ cmd->rw.control = cpu_to_le16(control);
+ /* PI is added by the HW */
+ req->transfer_len += req->metadata_len;
+ } else {
+ /* for WRITE_PASS/READ_PASS both wire/memory domains exist */
+ nvmet_rdma_set_sig_domain(bi, cmd, &sig_attrs->wire, control,
+ pi_type);
+ nvmet_rdma_set_sig_domain(bi, cmd, &sig_attrs->mem, control,
+ pi_type);
+ }
+
+ if (control & NVME_RW_PRINFO_PRCHK_REF)
+ sig_attrs->check_mask |= IB_SIG_CHECK_REFTAG;
+ if (control & NVME_RW_PRINFO_PRCHK_GUARD)
+ sig_attrs->check_mask |= IB_SIG_CHECK_GUARD;
+ if (control & NVME_RW_PRINFO_PRCHK_APP)
+ sig_attrs->check_mask |= IB_SIG_CHECK_APPTAG;
+}
+
+static int nvmet_rdma_rw_ctx_init(struct nvmet_rdma_rsp *rsp, u64 addr, u32 key,
+ struct ib_sig_attrs *sig_attrs)
+{
+ struct rdma_cm_id *cm_id = rsp->queue->cm_id;
+ struct nvmet_req *req = &rsp->req;
+ int ret;
+
+ if (req->metadata_len)
+ ret = rdma_rw_ctx_signature_init(&rsp->rw, cm_id->qp,
+ cm_id->port_num, req->sg, req->sg_cnt,
+ req->metadata_sg, req->metadata_sg_cnt, sig_attrs,
+ addr, key, nvmet_data_dir(req));
+ else
+ ret = rdma_rw_ctx_init(&rsp->rw, cm_id->qp, cm_id->port_num,
+ req->sg, req->sg_cnt, 0, addr, key,
+ nvmet_data_dir(req));
+
+ return ret;
+}
+
+static void nvmet_rdma_rw_ctx_destroy(struct nvmet_rdma_rsp *rsp)
+{
+ struct rdma_cm_id *cm_id = rsp->queue->cm_id;
+ struct nvmet_req *req = &rsp->req;
+
+ if (req->metadata_len)
+ rdma_rw_ctx_destroy_signature(&rsp->rw, cm_id->qp,
+ cm_id->port_num, req->sg, req->sg_cnt,
+ req->metadata_sg, req->metadata_sg_cnt,
+ nvmet_data_dir(req));
+ else
+ rdma_rw_ctx_destroy(&rsp->rw, cm_id->qp, cm_id->port_num,
+ req->sg, req->sg_cnt, nvmet_data_dir(req));
+}
static void nvmet_rdma_release_rsp(struct nvmet_rdma_rsp *rsp)
{
@@ -507,14 +668,11 @@ static void nvmet_rdma_release_rsp(struct nvmet_rdma_rsp *rsp)
atomic_add(1 + rsp->n_rdma, &queue->sq_wr_avail);
- if (rsp->n_rdma) {
- rdma_rw_ctx_destroy(&rsp->rw, queue->qp,
- queue->cm_id->port_num, rsp->req.sg,
- rsp->req.sg_cnt, nvmet_data_dir(&rsp->req));
- }
+ if (rsp->n_rdma)
+ nvmet_rdma_rw_ctx_destroy(rsp);
if (rsp->req.sg != rsp->cmd->inline_sg)
- nvmet_req_free_sgl(&rsp->req);
+ nvmet_req_free_sgls(&rsp->req);
if (unlikely(!list_empty_careful(&queue->rsp_wr_wait_list)))
nvmet_rdma_process_wr_wait_list(queue);
@@ -566,11 +724,16 @@ static void nvmet_rdma_queue_response(struct nvmet_req *req)
rsp->send_wr.opcode = IB_WR_SEND;
}
- if (nvmet_rdma_need_data_out(rsp))
- first_wr = rdma_rw_ctx_wrs(&rsp->rw, cm_id->qp,
- cm_id->port_num, NULL, &rsp->send_wr);
- else
+ if (nvmet_rdma_need_data_out(rsp)) {
+ if (rsp->req.metadata_len)
+ first_wr = rdma_rw_ctx_wrs(&rsp->rw, cm_id->qp,
+ cm_id->port_num, &rsp->write_cqe, NULL);
+ else
+ first_wr = rdma_rw_ctx_wrs(&rsp->rw, cm_id->qp,
+ cm_id->port_num, NULL, &rsp->send_wr);
+ } else {
first_wr = &rsp->send_wr;
+ }
nvmet_rdma_post_recv(rsp->queue->dev, rsp->cmd);
@@ -589,15 +752,14 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc)
struct nvmet_rdma_rsp *rsp =
container_of(wc->wr_cqe, struct nvmet_rdma_rsp, read_cqe);
struct nvmet_rdma_queue *queue = cq->cq_context;
+ u16 status = 0;
WARN_ON(rsp->n_rdma <= 0);
atomic_add(rsp->n_rdma, &queue->sq_wr_avail);
- rdma_rw_ctx_destroy(&rsp->rw, queue->qp,
- queue->cm_id->port_num, rsp->req.sg,
- rsp->req.sg_cnt, nvmet_data_dir(&rsp->req));
rsp->n_rdma = 0;
if (unlikely(wc->status != IB_WC_SUCCESS)) {
+ nvmet_rdma_rw_ctx_destroy(rsp);
nvmet_req_uninit(&rsp->req);
nvmet_rdma_release_rsp(rsp);
if (wc->status != IB_WC_WR_FLUSH_ERR) {
@@ -608,7 +770,58 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc)
return;
}
- rsp->req.execute(&rsp->req);
+ if (rsp->req.metadata_len)
+ status = nvmet_rdma_check_pi_status(rsp->rw.reg->mr);
+ nvmet_rdma_rw_ctx_destroy(rsp);
+
+ if (unlikely(status))
+ nvmet_req_complete(&rsp->req, status);
+ else
+ rsp->req.execute(&rsp->req);
+}
+
+static void nvmet_rdma_write_data_done(struct ib_cq *cq, struct ib_wc *wc)
+{
+ struct nvmet_rdma_rsp *rsp =
+ container_of(wc->wr_cqe, struct nvmet_rdma_rsp, write_cqe);
+ struct nvmet_rdma_queue *queue = cq->cq_context;
+ struct rdma_cm_id *cm_id = rsp->queue->cm_id;
+ u16 status;
+
+ if (!IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY))
+ return;
+
+ WARN_ON(rsp->n_rdma <= 0);
+ atomic_add(rsp->n_rdma, &queue->sq_wr_avail);
+ rsp->n_rdma = 0;
+
+ if (unlikely(wc->status != IB_WC_SUCCESS)) {
+ nvmet_rdma_rw_ctx_destroy(rsp);
+ nvmet_req_uninit(&rsp->req);
+ nvmet_rdma_release_rsp(rsp);
+ if (wc->status != IB_WC_WR_FLUSH_ERR) {
+ pr_info("RDMA WRITE for CQE 0x%p failed with status %s (%d).\n",
+ wc->wr_cqe, ib_wc_status_msg(wc->status),
+ wc->status);
+ nvmet_rdma_error_comp(queue);
+ }
+ return;
+ }
+
+ /*
+ * Upon RDMA completion check the signature status
+ * - if succeeded send good NVMe response
+ * - if failed send bad NVMe response with appropriate error
+ */
+ status = nvmet_rdma_check_pi_status(rsp->rw.reg->mr);
+ if (unlikely(status))
+ rsp->req.cqe->status = cpu_to_le16(status << 1);
+ nvmet_rdma_rw_ctx_destroy(rsp);
+
+ if (unlikely(ib_post_send(cm_id->qp, &rsp->send_wr, NULL))) {
+ pr_err("sending cmd response failed\n");
+ nvmet_rdma_release_rsp(rsp);
+ }
}
static void nvmet_rdma_use_inline_sg(struct nvmet_rdma_rsp *rsp, u32 len,
@@ -665,9 +878,9 @@ static u16 nvmet_rdma_map_sgl_inline(struct nvmet_rdma_rsp *rsp)
static u16 nvmet_rdma_map_sgl_keyed(struct nvmet_rdma_rsp *rsp,
struct nvme_keyed_sgl_desc *sgl, bool invalidate)
{
- struct rdma_cm_id *cm_id = rsp->queue->cm_id;
u64 addr = le64_to_cpu(sgl->addr);
u32 key = get_unaligned_le32(sgl->key);
+ struct ib_sig_attrs sig_attrs;
int ret;
rsp->req.transfer_len = get_unaligned_le24(sgl->length);
@@ -676,13 +889,14 @@ static u16 nvmet_rdma_map_sgl_keyed(struct nvmet_rdma_rsp *rsp,
if (!rsp->req.transfer_len)
return 0;
- ret = nvmet_req_alloc_sgl(&rsp->req);
+ if (rsp->req.metadata_len)
+ nvmet_rdma_set_sig_attrs(&rsp->req, &sig_attrs);
+
+ ret = nvmet_req_alloc_sgls(&rsp->req);
if (unlikely(ret < 0))
goto error_out;
- ret = rdma_rw_ctx_init(&rsp->rw, cm_id->qp, cm_id->port_num,
- rsp->req.sg, rsp->req.sg_cnt, 0, addr, key,
- nvmet_data_dir(&rsp->req));
+ ret = nvmet_rdma_rw_ctx_init(rsp, addr, key, &sig_attrs);
if (unlikely(ret < 0))
goto error_out;
rsp->n_rdma += ret;
@@ -845,23 +1059,40 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc)
nvmet_rdma_handle_command(queue, rsp);
}
-static void nvmet_rdma_destroy_srq(struct nvmet_rdma_device *ndev)
+static void nvmet_rdma_destroy_srq(struct nvmet_rdma_srq *nsrq)
{
- if (!ndev->srq)
+ nvmet_rdma_free_cmds(nsrq->ndev, nsrq->cmds, nsrq->ndev->srq_size,
+ false);
+ ib_destroy_srq(nsrq->srq);
+
+ kfree(nsrq);
+}
+
+static void nvmet_rdma_destroy_srqs(struct nvmet_rdma_device *ndev)
+{
+ int i;
+
+ if (!ndev->srqs)
return;
- nvmet_rdma_free_cmds(ndev, ndev->srq_cmds, ndev->srq_size, false);
- ib_destroy_srq(ndev->srq);
+ for (i = 0; i < ndev->srq_count; i++)
+ nvmet_rdma_destroy_srq(ndev->srqs[i]);
+
+ kfree(ndev->srqs);
}
-static int nvmet_rdma_init_srq(struct nvmet_rdma_device *ndev)
+static struct nvmet_rdma_srq *
+nvmet_rdma_init_srq(struct nvmet_rdma_device *ndev)
{
struct ib_srq_init_attr srq_attr = { NULL, };
+ size_t srq_size = ndev->srq_size;
+ struct nvmet_rdma_srq *nsrq;
struct ib_srq *srq;
- size_t srq_size;
int ret, i;
- srq_size = 4095; /* XXX: tune */
+ nsrq = kzalloc(sizeof(*nsrq), GFP_KERNEL);
+ if (!nsrq)
+ return ERR_PTR(-ENOMEM);
srq_attr.attr.max_wr = srq_size;
srq_attr.attr.max_sge = 1 + ndev->inline_page_count;
@@ -869,35 +1100,73 @@ static int nvmet_rdma_init_srq(struct nvmet_rdma_device *ndev)
srq_attr.srq_type = IB_SRQT_BASIC;
srq = ib_create_srq(ndev->pd, &srq_attr);
if (IS_ERR(srq)) {
- /*
- * If SRQs aren't supported we just go ahead and use normal
- * non-shared receive queues.
- */
- pr_info("SRQ requested but not supported.\n");
- return 0;
+ ret = PTR_ERR(srq);
+ goto out_free;
}
- ndev->srq_cmds = nvmet_rdma_alloc_cmds(ndev, srq_size, false);
- if (IS_ERR(ndev->srq_cmds)) {
- ret = PTR_ERR(ndev->srq_cmds);
+ nsrq->cmds = nvmet_rdma_alloc_cmds(ndev, srq_size, false);
+ if (IS_ERR(nsrq->cmds)) {
+ ret = PTR_ERR(nsrq->cmds);
goto out_destroy_srq;
}
- ndev->srq = srq;
- ndev->srq_size = srq_size;
+ nsrq->srq = srq;
+ nsrq->ndev = ndev;
for (i = 0; i < srq_size; i++) {
- ret = nvmet_rdma_post_recv(ndev, &ndev->srq_cmds[i]);
+ nsrq->cmds[i].nsrq = nsrq;
+ ret = nvmet_rdma_post_recv(ndev, &nsrq->cmds[i]);
if (ret)
goto out_free_cmds;
}
- return 0;
+ return nsrq;
out_free_cmds:
- nvmet_rdma_free_cmds(ndev, ndev->srq_cmds, ndev->srq_size, false);
+ nvmet_rdma_free_cmds(ndev, nsrq->cmds, srq_size, false);
out_destroy_srq:
ib_destroy_srq(srq);
+out_free:
+ kfree(nsrq);
+ return ERR_PTR(ret);
+}
+
+static int nvmet_rdma_init_srqs(struct nvmet_rdma_device *ndev)
+{
+ int i, ret;
+
+ if (!ndev->device->attrs.max_srq_wr || !ndev->device->attrs.max_srq) {
+ /*
+ * If SRQs aren't supported we just go ahead and use normal
+ * non-shared receive queues.
+ */
+ pr_info("SRQ requested but not supported.\n");
+ return 0;
+ }
+
+ ndev->srq_size = min(ndev->device->attrs.max_srq_wr,
+ nvmet_rdma_srq_size);
+ ndev->srq_count = min(ndev->device->num_comp_vectors,
+ ndev->device->attrs.max_srq);
+
+ ndev->srqs = kcalloc(ndev->srq_count, sizeof(*ndev->srqs), GFP_KERNEL);
+ if (!ndev->srqs)
+ return -ENOMEM;
+
+ for (i = 0; i < ndev->srq_count; i++) {
+ ndev->srqs[i] = nvmet_rdma_init_srq(ndev);
+ if (IS_ERR(ndev->srqs[i])) {
+ ret = PTR_ERR(ndev->srqs[i]);
+ goto err_srq;
+ }
+ }
+
+ return 0;
+
+err_srq:
+ while (--i >= 0)
+ nvmet_rdma_destroy_srq(ndev->srqs[i]);
+ kfree(ndev->srqs);
return ret;
}
@@ -910,7 +1179,7 @@ static void nvmet_rdma_free_dev(struct kref *ref)
list_del(&ndev->entry);
mutex_unlock(&device_list_mutex);
- nvmet_rdma_destroy_srq(ndev);
+ nvmet_rdma_destroy_srqs(ndev);
ib_dealloc_pd(ndev->pd);
kfree(ndev);
@@ -957,7 +1226,7 @@ nvmet_rdma_find_get_device(struct rdma_cm_id *cm_id)
goto out_free_dev;
if (nvmet_rdma_use_srq) {
- ret = nvmet_rdma_init_srq(ndev);
+ ret = nvmet_rdma_init_srqs(ndev);
if (ret)
goto out_free_pd;
}
@@ -981,14 +1250,7 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
{
struct ib_qp_init_attr qp_attr;
struct nvmet_rdma_device *ndev = queue->dev;
- int comp_vector, nr_cqe, ret, i, factor;
-
- /*
- * Spread the io queues across completion vectors,
- * but still keep all admin queues on vector 0.
- */
- comp_vector = !queue->host_qid ? 0 :
- queue->idx % ndev->device->num_comp_vectors;
+ int nr_cqe, ret, i, factor;
/*
* Reserve CQ slots for RECV + RDMA_READ/RDMA_WRITE + RDMA_SEND.
@@ -996,7 +1258,7 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
nr_cqe = queue->recv_queue_size + 2 * queue->send_queue_size;
queue->cq = ib_alloc_cq(ndev->device, queue,
- nr_cqe + 1, comp_vector,
+ nr_cqe + 1, queue->comp_vector,
IB_POLL_WORKQUEUE);
if (IS_ERR(queue->cq)) {
ret = PTR_ERR(queue->cq);
@@ -1020,14 +1282,17 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
qp_attr.cap.max_send_sge = max(ndev->device->attrs.max_sge_rd,
ndev->device->attrs.max_send_sge);
- if (ndev->srq) {
- qp_attr.srq = ndev->srq;
+ if (queue->nsrq) {
+ qp_attr.srq = queue->nsrq->srq;
} else {
/* +1 for drain */
qp_attr.cap.max_recv_wr = 1 + queue->recv_queue_size;
qp_attr.cap.max_recv_sge = 1 + ndev->inline_page_count;
}
+ if (queue->port->pi_enable && queue->host_qid)
+ qp_attr.create_flags |= IB_QP_CREATE_INTEGRITY_EN;
+
ret = rdma_create_qp(queue->cm_id, ndev->pd, &qp_attr);
if (ret) {
pr_err("failed to create_qp ret= %d\n", ret);
@@ -1041,7 +1306,7 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
__func__, queue->cq->cqe, qp_attr.cap.max_send_sge,
qp_attr.cap.max_send_wr, queue->cm_id);
- if (!ndev->srq) {
+ if (!queue->nsrq) {
for (i = 0; i < queue->recv_queue_size; i++) {
queue->cmds[i].queue = queue;
ret = nvmet_rdma_post_recv(ndev, &queue->cmds[i]);
@@ -1076,7 +1341,7 @@ static void nvmet_rdma_free_queue(struct nvmet_rdma_queue *queue)
nvmet_sq_destroy(&queue->nvme_sq);
nvmet_rdma_destroy_queue_ib(queue);
- if (!queue->dev->srq) {
+ if (!queue->nsrq) {
nvmet_rdma_free_cmds(queue->dev, queue->cmds,
queue->recv_queue_size,
!queue->host_qid);
@@ -1146,6 +1411,7 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
+ struct nvmet_rdma_port *port = cm_id->context;
struct nvmet_rdma_queue *queue;
int ret;
@@ -1172,6 +1438,7 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
INIT_WORK(&queue->release_work, nvmet_rdma_release_queue_work);
queue->dev = ndev;
queue->cm_id = cm_id;
+ queue->port = port->nport;
spin_lock_init(&queue->state_lock);
queue->state = NVMET_RDMA_Q_CONNECTING;
@@ -1188,13 +1455,23 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
goto out_destroy_sq;
}
+ /*
+ * Spread the io queues across completion vectors,
+ * but still keep all admin queues on vector 0.
+ */
+ queue->comp_vector = !queue->host_qid ? 0 :
+ queue->idx % ndev->device->num_comp_vectors;
+
+
ret = nvmet_rdma_alloc_rsps(queue);
if (ret) {
ret = NVME_RDMA_CM_NO_RSC;
goto out_ida_remove;
}
- if (!ndev->srq) {
+ if (ndev->srqs) {
+ queue->nsrq = ndev->srqs[queue->comp_vector % ndev->srq_count];
+ } else {
queue->cmds = nvmet_rdma_alloc_cmds(ndev,
queue->recv_queue_size,
!queue->host_qid);
@@ -1215,7 +1492,7 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
return queue;
out_free_cmds:
- if (!ndev->srq) {
+ if (!queue->nsrq) {
nvmet_rdma_free_cmds(queue->dev, queue->cmds,
queue->recv_queue_size,
!queue->host_qid);
@@ -1241,6 +1518,10 @@ static void nvmet_rdma_qp_event(struct ib_event *event, void *priv)
case IB_EVENT_COMM_EST:
rdma_notify(queue->cm_id, event->event);
break;
+ case IB_EVENT_QP_LAST_WQE_REACHED:
+ pr_debug("received last WQE reached event for queue=0x%p\n",
+ queue);
+ break;
default:
pr_err("received IB QP event: %s (%d)\n",
ib_event_msg(event->event), event->event);
@@ -1275,7 +1556,6 @@ static int nvmet_rdma_cm_accept(struct rdma_cm_id *cm_id,
static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
- struct nvmet_rdma_port *port = cm_id->context;
struct nvmet_rdma_device *ndev;
struct nvmet_rdma_queue *queue;
int ret = -EINVAL;
@@ -1291,7 +1571,6 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
ret = -ENOMEM;
goto put_device;
}
- queue->port = port->nport;
if (queue->host_qid == 0) {
/* Let inflight controller teardown complete */
@@ -1563,6 +1842,14 @@ static int nvmet_rdma_enable_port(struct nvmet_rdma_port *port)
goto out_destroy_id;
}
+ if (port->nport->pi_enable &&
+ !(cm_id->device->attrs.device_cap_flags &
+ IB_DEVICE_INTEGRITY_HANDOVER)) {
+ pr_err("T10-PI is not supported for %pISpcs\n", addr);
+ ret = -EINVAL;
+ goto out_destroy_id;
+ }
+
port->cm_id = cm_id;
return 0;
@@ -1672,6 +1959,8 @@ static void nvmet_rdma_disc_port_addr(struct nvmet_req *req,
static u8 nvmet_rdma_get_mdts(const struct nvmet_ctrl *ctrl)
{
+ if (ctrl->pi_support)
+ return NVMET_RDMA_MAX_METADATA_MDTS;
return NVMET_RDMA_MAX_MDTS;
}
@@ -1680,6 +1969,7 @@ static const struct nvmet_fabrics_ops nvmet_rdma_ops = {
.type = NVMF_TRTYPE_RDMA,
.msdbd = 1,
.has_keyed_sgls = 1,
+ .metadata_support = 1,
.add_port = nvmet_rdma_add_port,
.remove_port = nvmet_rdma_remove_port,
.queue_response = nvmet_rdma_queue_response,
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index f0da04e960f4..1669177cd26c 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -325,6 +325,14 @@ static void nvmet_tcp_fatal_error(struct nvmet_tcp_queue *queue)
kernel_sock_shutdown(queue->sock, SHUT_RDWR);
}
+static void nvmet_tcp_socket_error(struct nvmet_tcp_queue *queue, int status)
+{
+ if (status == -EPIPE || status == -ECONNRESET)
+ kernel_sock_shutdown(queue->sock, SHUT_RDWR);
+ else
+ nvmet_tcp_fatal_error(queue);
+}
+
static int nvmet_tcp_map_data(struct nvmet_tcp_cmd *cmd)
{
struct nvme_sgl_desc *sgl = &cmd->req.cmd->common.dptr.sgl;
@@ -510,7 +518,7 @@ static int nvmet_try_send_data_pdu(struct nvmet_tcp_cmd *cmd)
ret = kernel_sendpage(cmd->queue->sock, virt_to_page(cmd->data_pdu),
offset_in_page(cmd->data_pdu) + cmd->offset,
- left, MSG_DONTWAIT | MSG_MORE);
+ left, MSG_DONTWAIT | MSG_MORE | MSG_SENDPAGE_NOTLAST);
if (ret <= 0)
return ret;
@@ -538,7 +546,7 @@ static int nvmet_try_send_data(struct nvmet_tcp_cmd *cmd, bool last_in_batch)
if ((!last_in_batch && cmd->queue->send_list_len) ||
cmd->wbytes_done + left < cmd->req.transfer_len ||
queue->data_digest || !queue->nvme_sq.sqhd_disabled)
- flags |= MSG_MORE;
+ flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST;
ret = kernel_sendpage(cmd->queue->sock, page, cmd->offset,
left, flags);
@@ -585,7 +593,7 @@ static int nvmet_try_send_response(struct nvmet_tcp_cmd *cmd,
int ret;
if (!last_in_batch && cmd->queue->send_list_len)
- flags |= MSG_MORE;
+ flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST;
else
flags |= MSG_EOR;
@@ -614,7 +622,7 @@ static int nvmet_try_send_r2t(struct nvmet_tcp_cmd *cmd, bool last_in_batch)
int ret;
if (!last_in_batch && cmd->queue->send_list_len)
- flags |= MSG_MORE;
+ flags |= MSG_MORE | MSG_SENDPAGE_NOTLAST;
else
flags |= MSG_EOR;
@@ -644,6 +652,8 @@ static int nvmet_try_send_ddgst(struct nvmet_tcp_cmd *cmd, bool last_in_batch)
if (!last_in_batch && cmd->queue->send_list_len)
msg.msg_flags |= MSG_MORE;
+ else
+ msg.msg_flags |= MSG_EOR;
ret = kernel_sendmsg(queue->sock, &msg, &iov, 1, iov.iov_len);
if (unlikely(ret <= 0))
@@ -716,11 +726,15 @@ static int nvmet_tcp_try_send(struct nvmet_tcp_queue *queue,
for (i = 0; i < budget; i++) {
ret = nvmet_tcp_try_send_one(queue, i == budget - 1);
- if (ret <= 0)
+ if (unlikely(ret < 0)) {
+ nvmet_tcp_socket_error(queue, ret);
+ goto done;
+ } else if (ret == 0) {
break;
+ }
(*sends)++;
}
-
+done:
return ret;
}
@@ -1157,11 +1171,15 @@ static int nvmet_tcp_try_recv(struct nvmet_tcp_queue *queue,
for (i = 0; i < budget; i++) {
ret = nvmet_tcp_try_recv_one(queue);
- if (ret <= 0)
+ if (unlikely(ret < 0)) {
+ nvmet_tcp_socket_error(queue, ret);
+ goto done;
+ } else if (ret == 0) {
break;
+ }
(*recvs)++;
}
-
+done:
return ret;
}
@@ -1186,27 +1204,16 @@ static void nvmet_tcp_io_work(struct work_struct *w)
pending = false;
ret = nvmet_tcp_try_recv(queue, NVMET_TCP_RECV_BUDGET, &ops);
- if (ret > 0) {
+ if (ret > 0)
pending = true;
- } else if (ret < 0) {
- if (ret == -EPIPE || ret == -ECONNRESET)
- kernel_sock_shutdown(queue->sock, SHUT_RDWR);
- else
- nvmet_tcp_fatal_error(queue);
+ else if (ret < 0)
return;
- }
ret = nvmet_tcp_try_send(queue, NVMET_TCP_SEND_BUDGET, &ops);
- if (ret > 0) {
- /* transmitted message/data */
+ if (ret > 0)
pending = true;
- } else if (ret < 0) {
- if (ret == -EPIPE || ret == -ECONNRESET)
- kernel_sock_shutdown(queue->sock, SHUT_RDWR);
- else
- nvmet_tcp_fatal_error(queue);
+ else if (ret < 0)
return;
- }
} while (pending && ops < NVMET_TCP_IO_WORK_BUDGET);
@@ -1429,7 +1436,6 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
{
struct socket *sock = queue->sock;
struct inet_sock *inet = inet_sk(sock->sk);
- struct linger sol = { .l_onoff = 1, .l_linger = 0 };
int ret;
ret = kernel_getsockname(sock,
@@ -1447,27 +1453,14 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
* close. This is done to prevent stale data from being sent should
* the network connection be restored before TCP times out.
*/
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_LINGER,
- (char *)&sol, sizeof(sol));
- if (ret)
- return ret;
+ sock_no_linger(sock->sk);
- if (so_priority > 0) {
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_PRIORITY,
- (char *)&so_priority, sizeof(so_priority));
- if (ret)
- return ret;
- }
+ if (so_priority > 0)
+ sock_set_priority(sock->sk, so_priority);
/* Set socket type of service */
- if (inet->rcv_tos > 0) {
- int tos = inet->rcv_tos;
-
- ret = kernel_setsockopt(sock, SOL_IP, IP_TOS,
- (char *)&tos, sizeof(tos));
- if (ret)
- return ret;
- }
+ if (inet->rcv_tos > 0)
+ ip_sock_set_tos(sock->sk, inet->rcv_tos);
write_lock_bh(&sock->sk->sk_callback_lock);
sock->sk->sk_user_data = queue;
@@ -1588,7 +1581,7 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport)
{
struct nvmet_tcp_port *port;
__kernel_sa_family_t af;
- int opt, ret;
+ int ret;
port = kzalloc(sizeof(*port), GFP_KERNEL);
if (!port)
@@ -1632,30 +1625,10 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport)
port->sock->sk->sk_user_data = port;
port->data_ready = port->sock->sk->sk_data_ready;
port->sock->sk->sk_data_ready = nvmet_tcp_listen_data_ready;
-
- opt = 1;
- ret = kernel_setsockopt(port->sock, IPPROTO_TCP,
- TCP_NODELAY, (char *)&opt, sizeof(opt));
- if (ret) {
- pr_err("failed to set TCP_NODELAY sock opt %d\n", ret);
- goto err_sock;
- }
-
- ret = kernel_setsockopt(port->sock, SOL_SOCKET, SO_REUSEADDR,
- (char *)&opt, sizeof(opt));
- if (ret) {
- pr_err("failed to set SO_REUSEADDR sock opt %d\n", ret);
- goto err_sock;
- }
-
- if (so_priority > 0) {
- ret = kernel_setsockopt(port->sock, SOL_SOCKET, SO_PRIORITY,
- (char *)&so_priority, sizeof(so_priority));
- if (ret) {
- pr_err("failed to set SO_PRIORITY sock opt %d\n", ret);
- goto err_sock;
- }
- }
+ sock_set_reuseaddr(port->sock->sk);
+ tcp_sock_set_nodelay(port->sock->sk);
+ if (so_priority > 0)
+ sock_set_priority(port->sock->sk, so_priority);
ret = kernel_bind(port->sock, (struct sockaddr *)&port->addr,
sizeof(port->addr));
diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h
index e645caa882dd..0458046d6501 100644
--- a/drivers/nvme/target/trace.h
+++ b/drivers/nvme/target/trace.h
@@ -130,6 +130,34 @@ TRACE_EVENT(nvmet_req_complete,
);
+#define aer_name(aer) { aer, #aer }
+
+TRACE_EVENT(nvmet_async_event,
+ TP_PROTO(struct nvmet_ctrl *ctrl, __le32 result),
+ TP_ARGS(ctrl, result),
+ TP_STRUCT__entry(
+ __field(int, ctrl_id)
+ __field(u32, result)
+ ),
+ TP_fast_assign(
+ __entry->ctrl_id = ctrl->cntlid;
+ __entry->result = (le32_to_cpu(result) & 0xff00) >> 8;
+ ),
+ TP_printk("nvmet%d: NVME_AEN=%#08x [%s]",
+ __entry->ctrl_id, __entry->result,
+ __print_symbolic(__entry->result,
+ aer_name(NVME_AER_NOTICE_NS_CHANGED),
+ aer_name(NVME_AER_NOTICE_ANA),
+ aer_name(NVME_AER_NOTICE_FW_ACT_STARTING),
+ aer_name(NVME_AER_NOTICE_DISC_CHANGED),
+ aer_name(NVME_AER_ERROR),
+ aer_name(NVME_AER_SMART),
+ aer_name(NVME_AER_CSS),
+ aer_name(NVME_AER_VS))
+ )
+);
+#undef aer_name
+
#endif /* _TRACE_NVMET_H */
#undef TRACE_INCLUDE_PATH
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 9f982c0627a0..a04afe79529c 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -60,39 +60,15 @@ static struct mii_timestamper *of_find_mii_timestamper(struct device_node *node)
return register_mii_timestamper(arg.np, arg.args[0]);
}
-static int of_mdiobus_register_phy(struct mii_bus *mdio,
- struct device_node *child, u32 addr)
+int of_mdiobus_phy_device_register(struct mii_bus *mdio, struct phy_device *phy,
+ struct device_node *child, u32 addr)
{
- struct mii_timestamper *mii_ts;
- struct phy_device *phy;
- bool is_c45;
int rc;
- u32 phy_id;
-
- mii_ts = of_find_mii_timestamper(child);
- if (IS_ERR(mii_ts))
- return PTR_ERR(mii_ts);
-
- is_c45 = of_device_is_compatible(child,
- "ethernet-phy-ieee802.3-c45");
-
- if (!is_c45 && !of_get_phy_id(child, &phy_id))
- phy = phy_device_create(mdio, addr, phy_id, 0, NULL);
- else
- phy = get_phy_device(mdio, addr, is_c45);
- if (IS_ERR(phy)) {
- if (mii_ts)
- unregister_mii_timestamper(mii_ts);
- return PTR_ERR(phy);
- }
rc = of_irq_get(child, 0);
- if (rc == -EPROBE_DEFER) {
- if (mii_ts)
- unregister_mii_timestamper(mii_ts);
- phy_device_free(phy);
+ if (rc == -EPROBE_DEFER)
return rc;
- }
+
if (rc > 0) {
phy->irq = rc;
mdio->irq[addr] = rc;
@@ -118,10 +94,47 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
* register it */
rc = phy_device_register(phy);
if (rc) {
+ of_node_put(child);
+ return rc;
+ }
+
+ dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
+ child, addr);
+ return 0;
+}
+EXPORT_SYMBOL(of_mdiobus_phy_device_register);
+
+static int of_mdiobus_register_phy(struct mii_bus *mdio,
+ struct device_node *child, u32 addr)
+{
+ struct mii_timestamper *mii_ts;
+ struct phy_device *phy;
+ bool is_c45;
+ int rc;
+ u32 phy_id;
+
+ mii_ts = of_find_mii_timestamper(child);
+ if (IS_ERR(mii_ts))
+ return PTR_ERR(mii_ts);
+
+ is_c45 = of_device_is_compatible(child,
+ "ethernet-phy-ieee802.3-c45");
+
+ if (!is_c45 && !of_get_phy_id(child, &phy_id))
+ phy = phy_device_create(mdio, addr, phy_id, 0, NULL);
+ else
+ phy = get_phy_device(mdio, addr, is_c45);
+ if (IS_ERR(phy)) {
+ if (mii_ts)
+ unregister_mii_timestamper(mii_ts);
+ return PTR_ERR(phy);
+ }
+
+ rc = of_mdiobus_phy_device_register(mdio, phy, child, addr);
+ if (rc) {
if (mii_ts)
unregister_mii_timestamper(mii_ts);
phy_device_free(phy);
- of_node_put(child);
return rc;
}
@@ -132,8 +145,6 @@ static int of_mdiobus_register_phy(struct mii_bus *mdio,
if (mii_ts)
phy->mii_ts = mii_ts;
- dev_dbg(&mdio->dev, "registered phy %pOFn at address %i\n",
- child, addr);
return 0;
}
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c
index 12ea4a4ad607..6c9edc8bbc95 100644
--- a/drivers/oprofile/event_buffer.c
+++ b/drivers/oprofile/event_buffer.c
@@ -113,7 +113,7 @@ static int event_buffer_open(struct inode *inode, struct file *file)
{
int err = -EPERM;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EPERM;
if (test_and_set_bit_lock(0, &buffer_opened))
diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c
index 48804049d697..ee7b5daabfd4 100644
--- a/drivers/parport/procfs.c
+++ b/drivers/parport/procfs.c
@@ -34,7 +34,7 @@
#define PARPORT_MAX_SPINTIME_VALUE 1000
static int do_active_device(struct ctl_table *table, int write,
- void __user *result, size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
char buffer[256];
@@ -65,13 +65,13 @@ static int do_active_device(struct ctl_table *table, int write,
*lenp = len;
*ppos += len;
-
- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
#ifdef CONFIG_PARPORT_1284
static int do_autoprobe(struct ctl_table *table, int write,
- void __user *result, size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport_device_info *info = table->extra2;
const char *str;
@@ -108,13 +108,13 @@ static int do_autoprobe(struct ctl_table *table, int write,
*ppos += len;
- return copy_to_user (result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
#endif /* IEEE1284.3 support. */
static int do_hardware_base_addr(struct ctl_table *table, int write,
- void __user *result,
- size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
char buffer[20];
@@ -136,13 +136,12 @@ static int do_hardware_base_addr(struct ctl_table *table, int write,
*lenp = len;
*ppos += len;
-
- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
static int do_hardware_irq(struct ctl_table *table, int write,
- void __user *result,
- size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
char buffer[20];
@@ -164,13 +163,12 @@ static int do_hardware_irq(struct ctl_table *table, int write,
*lenp = len;
*ppos += len;
-
- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
static int do_hardware_dma(struct ctl_table *table, int write,
- void __user *result,
- size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
char buffer[20];
@@ -192,13 +190,12 @@ static int do_hardware_dma(struct ctl_table *table, int write,
*lenp = len;
*ppos += len;
-
- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
static int do_hardware_modes(struct ctl_table *table, int write,
- void __user *result,
- size_t *lenp, loff_t *ppos)
+ void *result, size_t *lenp, loff_t *ppos)
{
struct parport *port = (struct parport *)table->extra1;
char buffer[40];
@@ -231,8 +228,8 @@ static int do_hardware_modes(struct ctl_table *table, int write,
*lenp = len;
*ppos += len;
-
- return copy_to_user(result, buffer, len) ? -EFAULT : 0;
+ memcpy(result, buffer, len);
+ return 0;
}
#define PARPORT_PORT_DIR(CHILD) { .procname = NULL, .mode = 0555, .child = CHILD }
diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
index 91bfdb784829..ae36edb1d7db 100644
--- a/drivers/pci/controller/Kconfig
+++ b/drivers/pci/controller/Kconfig
@@ -258,6 +258,16 @@ config PCI_HYPERV_INTERFACE
The Hyper-V PCI Interface is a helper driver allows other drivers to
have a common interface with the Hyper-V PCI frontend driver.
+config PCI_LOONGSON
+ bool "LOONGSON PCI Controller"
+ depends on MACH_LOONGSON64 || COMPILE_TEST
+ depends on OF
+ depends on PCI_QUIRKS
+ default MACH_LOONGSON64
+ help
+ Say Y here if you want to enable PCI controller support on
+ Loongson systems.
+
source "drivers/pci/controller/dwc/Kconfig"
source "drivers/pci/controller/mobiveil/Kconfig"
source "drivers/pci/controller/cadence/Kconfig"
diff --git a/drivers/pci/controller/Makefile b/drivers/pci/controller/Makefile
index 158c59771824..fbac4b0190a0 100644
--- a/drivers/pci/controller/Makefile
+++ b/drivers/pci/controller/Makefile
@@ -28,6 +28,7 @@ obj-$(CONFIG_PCIE_MEDIATEK) += pcie-mediatek.o
obj-$(CONFIG_PCIE_TANGO_SMP8759) += pcie-tango.o
obj-$(CONFIG_VMD) += vmd.o
obj-$(CONFIG_PCIE_BRCMSTB) += pcie-brcmstb.o
+obj-$(CONFIG_PCI_LOONGSON) += pci-loongson.o
# pcie-hisi.o quirks are needed even without CONFIG_PCIE_DW
obj-y += dwc/
obj-y += mobiveil/
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index e15022ff63e3..222ff5639ebe 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1356,11 +1356,11 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
{
struct irq_cfg *cfg = irqd_cfg(data);
struct hv_pcibus_device *hbus;
+ struct vmbus_channel *channel;
struct hv_pci_dev *hpdev;
struct pci_bus *pbus;
struct pci_dev *pdev;
struct cpumask *dest;
- unsigned long flags;
struct compose_comp_ctxt comp;
struct tran_int_desc *int_desc;
struct {
@@ -1378,6 +1378,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
dest = irq_data_get_effective_affinity_mask(data);
pbus = pdev->bus;
hbus = container_of(pbus->sysdata, struct hv_pcibus_device, sysdata);
+ channel = hbus->hdev->channel;
hpdev = get_pcichild_wslot(hbus, devfn_to_wslot(pdev->devfn));
if (!hpdev)
goto return_null_message;
@@ -1436,42 +1437,51 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
}
/*
+ * Prevents hv_pci_onchannelcallback() from running concurrently
+ * in the tasklet.
+ */
+ tasklet_disable(&channel->callback_event);
+
+ /*
* Since this function is called with IRQ locks held, can't
* do normal wait for completion; instead poll.
*/
while (!try_wait_for_completion(&comp.comp_pkt.host_event)) {
+ unsigned long flags;
+
/* 0xFFFF means an invalid PCI VENDOR ID. */
if (hv_pcifront_get_vendor_id(hpdev) == 0xFFFF) {
dev_err_once(&hbus->hdev->device,
"the device has gone\n");
- goto free_int_desc;
+ goto enable_tasklet;
}
/*
- * When the higher level interrupt code calls us with
- * interrupt disabled, we must poll the channel by calling
- * the channel callback directly when channel->target_cpu is
- * the current CPU. When the higher level interrupt code
- * calls us with interrupt enabled, let's add the
- * local_irq_save()/restore() to avoid race:
- * hv_pci_onchannelcallback() can also run in tasklet.
+ * Make sure that the ring buffer data structure doesn't get
+ * freed while we dereference the ring buffer pointer. Test
+ * for the channel's onchannel_callback being NULL within a
+ * sched_lock critical section. See also the inline comments
+ * in vmbus_reset_channel_cb().
*/
- local_irq_save(flags);
-
- if (hbus->hdev->channel->target_cpu == smp_processor_id())
- hv_pci_onchannelcallback(hbus);
-
- local_irq_restore(flags);
+ spin_lock_irqsave(&channel->sched_lock, flags);
+ if (unlikely(channel->onchannel_callback == NULL)) {
+ spin_unlock_irqrestore(&channel->sched_lock, flags);
+ goto enable_tasklet;
+ }
+ hv_pci_onchannelcallback(hbus);
+ spin_unlock_irqrestore(&channel->sched_lock, flags);
if (hpdev->state == hv_pcichild_ejecting) {
dev_err_once(&hbus->hdev->device,
"the device is being ejected\n");
- goto free_int_desc;
+ goto enable_tasklet;
}
udelay(100);
}
+ tasklet_enable(&channel->callback_event);
+
if (comp.comp_pkt.completion_status < 0) {
dev_err(&hbus->hdev->device,
"Request for interrupt failed: 0x%x",
@@ -1495,6 +1505,8 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
put_pcichild(hpdev);
return;
+enable_tasklet:
+ tasklet_enable(&channel->callback_event);
free_int_desc:
kfree(int_desc);
drop_reference:
diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c
new file mode 100644
index 000000000000..459009c8a4a0
--- /dev/null
+++ b/drivers/pci/controller/pci-loongson.c
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Loongson PCI Host Controller Driver
+ *
+ * Copyright (C) 2020 Jiaxun Yang <jiaxun.yang@flygoat.com>
+ */
+
+#include <linux/of_device.h>
+#include <linux/of_pci.h>
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+
+#include "../pci.h"
+
+/* Device IDs */
+#define DEV_PCIE_PORT_0 0x7a09
+#define DEV_PCIE_PORT_1 0x7a19
+#define DEV_PCIE_PORT_2 0x7a29
+
+#define DEV_LS2K_APB 0x7a02
+#define DEV_LS7A_CONF 0x7a10
+#define DEV_LS7A_LPC 0x7a0c
+
+#define FLAG_CFG0 BIT(0)
+#define FLAG_CFG1 BIT(1)
+#define FLAG_DEV_FIX BIT(2)
+
+struct loongson_pci {
+ void __iomem *cfg0_base;
+ void __iomem *cfg1_base;
+ struct platform_device *pdev;
+ u32 flags;
+};
+
+/* Fixup wrong class code in PCIe bridges */
+static void bridge_class_quirk(struct pci_dev *dev)
+{
+ dev->class = PCI_CLASS_BRIDGE_PCI << 8;
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_LOONGSON,
+ DEV_PCIE_PORT_0, bridge_class_quirk);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_LOONGSON,
+ DEV_PCIE_PORT_1, bridge_class_quirk);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_LOONGSON,
+ DEV_PCIE_PORT_2, bridge_class_quirk);
+
+static void system_bus_quirk(struct pci_dev *pdev)
+{
+ /*
+ * The address space consumed by these devices is outside the
+ * resources of the host bridge.
+ */
+ pdev->mmio_always_on = 1;
+ pdev->non_compliant_bars = 1;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
+ DEV_LS2K_APB, system_bus_quirk);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
+ DEV_LS7A_CONF, system_bus_quirk);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON,
+ DEV_LS7A_LPC, system_bus_quirk);
+
+static void loongson_mrrs_quirk(struct pci_dev *dev)
+{
+ struct pci_bus *bus = dev->bus;
+ struct pci_dev *bridge;
+ static const struct pci_device_id bridge_devids[] = {
+ { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_0) },
+ { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_1) },
+ { PCI_VDEVICE(LOONGSON, DEV_PCIE_PORT_2) },
+ { 0, },
+ };
+
+ /* look for the matching bridge */
+ while (!pci_is_root_bus(bus)) {
+ bridge = bus->self;
+ bus = bus->parent;
+ /*
+ * Some Loongson PCIe ports have a h/w limitation of
+ * 256 bytes maximum read request size. They can't handle
+ * anything larger than this. So force this limit on
+ * any devices attached under these ports.
+ */
+ if (pci_match_id(bridge_devids, bridge)) {
+ if (pcie_get_readrq(dev) > 256) {
+ pci_info(dev, "limiting MRRS to 256\n");
+ pcie_set_readrq(dev, 256);
+ }
+ break;
+ }
+ }
+}
+DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, loongson_mrrs_quirk);
+
+static void __iomem *cfg1_map(struct loongson_pci *priv, int bus,
+ unsigned int devfn, int where)
+{
+ unsigned long addroff = 0x0;
+
+ if (bus != 0)
+ addroff |= BIT(28); /* Type 1 Access */
+ addroff |= (where & 0xff) | ((where & 0xf00) << 16);
+ addroff |= (bus << 16) | (devfn << 8);
+ return priv->cfg1_base + addroff;
+}
+
+static void __iomem *cfg0_map(struct loongson_pci *priv, int bus,
+ unsigned int devfn, int where)
+{
+ unsigned long addroff = 0x0;
+
+ if (bus != 0)
+ addroff |= BIT(24); /* Type 1 Access */
+ addroff |= (bus << 16) | (devfn << 8) | where;
+ return priv->cfg0_base + addroff;
+}
+
+static void __iomem *pci_loongson_map_bus(struct pci_bus *bus, unsigned int devfn,
+ int where)
+{
+ unsigned char busnum = bus->number;
+ struct pci_host_bridge *bridge = pci_find_host_bridge(bus);
+ struct loongson_pci *priv = pci_host_bridge_priv(bridge);
+
+ /*
+ * Do not read more than one device on the bus other than
+ * the host bus. For our hardware the root bus is always bus 0.
+ */
+ if (priv->flags & FLAG_DEV_FIX && busnum != 0 &&
+ PCI_SLOT(devfn) > 0)
+ return NULL;
+
+ /* CFG0 can only access standard space */
+ if (where < PCI_CFG_SPACE_SIZE && priv->cfg0_base)
+ return cfg0_map(priv, busnum, devfn, where);
+
+ /* CFG1 can access extended space */
+ if (where < PCI_CFG_SPACE_EXP_SIZE && priv->cfg1_base)
+ return cfg1_map(priv, busnum, devfn, where);
+
+ return NULL;
+}
+
+static int loongson_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+ u8 val;
+
+ irq = of_irq_parse_and_map_pci(dev, slot, pin);
+ if (irq > 0)
+ return irq;
+
+ /* Care i8259 legacy systems */
+ pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &val);
+ /* i8259 only have 15 IRQs */
+ if (val > 15)
+ return 0;
+
+ return val;
+}
+
+/* H/w only accept 32-bit PCI operations */
+static struct pci_ops loongson_pci_ops = {
+ .map_bus = pci_loongson_map_bus,
+ .read = pci_generic_config_read32,
+ .write = pci_generic_config_write32,
+};
+
+static const struct of_device_id loongson_pci_of_match[] = {
+ { .compatible = "loongson,ls2k-pci",
+ .data = (void *)(FLAG_CFG0 | FLAG_CFG1 | FLAG_DEV_FIX), },
+ { .compatible = "loongson,ls7a-pci",
+ .data = (void *)(FLAG_CFG0 | FLAG_CFG1 | FLAG_DEV_FIX), },
+ { .compatible = "loongson,rs780e-pci",
+ .data = (void *)(FLAG_CFG0), },
+ {}
+};
+
+static int loongson_pci_probe(struct platform_device *pdev)
+{
+ struct loongson_pci *priv;
+ struct device *dev = &pdev->dev;
+ struct device_node *node = dev->of_node;
+ struct pci_host_bridge *bridge;
+ struct resource *regs;
+ int err;
+
+ if (!node)
+ return -ENODEV;
+
+ bridge = devm_pci_alloc_host_bridge(dev, sizeof(*priv));
+ if (!bridge)
+ return -ENODEV;
+
+ priv = pci_host_bridge_priv(bridge);
+ priv->pdev = pdev;
+ priv->flags = (unsigned long)of_device_get_match_data(dev);
+
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!regs) {
+ dev_err(dev, "missing mem resources for cfg0\n");
+ return -EINVAL;
+ }
+
+ priv->cfg0_base = devm_pci_remap_cfg_resource(dev, regs);
+ if (IS_ERR(priv->cfg0_base))
+ return PTR_ERR(priv->cfg0_base);
+
+ /* CFG1 is optional */
+ if (priv->flags & FLAG_CFG1) {
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!regs)
+ dev_info(dev, "missing mem resource for cfg1\n");
+ else {
+ priv->cfg1_base = devm_pci_remap_cfg_resource(dev, regs);
+ if (IS_ERR(priv->cfg1_base))
+ priv->cfg1_base = NULL;
+ }
+ }
+
+ err = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
+ &bridge->dma_ranges, NULL);
+ if (err) {
+ dev_err(dev, "failed to get bridge resources\n");
+ return err;
+ }
+
+ bridge->dev.parent = dev;
+ bridge->sysdata = priv;
+ bridge->ops = &loongson_pci_ops;
+ bridge->map_irq = loongson_map_irq;
+
+ err = pci_host_probe(bridge);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static struct platform_driver loongson_pci_driver = {
+ .driver = {
+ .name = "loongson-pci",
+ .of_match_table = loongson_pci_of_match,
+ },
+ .probe = loongson_pci_probe,
+};
+builtin_platform_driver(loongson_pci_driver);
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index b3869951c0eb..b4c92cee13f8 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -385,19 +385,12 @@ static unsigned char acpiphp_max_busnr(struct pci_bus *bus)
static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
{
struct acpiphp_func *func;
- union acpi_object params[2];
- struct acpi_object_list arg_list;
list_for_each_entry(func, &slot->funcs, sibling) {
- arg_list.count = 2;
- arg_list.pointer = params;
- params[0].type = ACPI_TYPE_INTEGER;
- params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG;
- params[1].type = ACPI_TYPE_INTEGER;
- params[1].integer.value = 1;
/* _REG is optional, we don't care about if there is failure */
- acpi_evaluate_object(func_to_handle(func), "_REG", &arg_list,
- NULL);
+ acpi_evaluate_reg(func_to_handle(func),
+ ACPI_ADR_SPACE_PCI_CONFIG,
+ ACPI_REG_CONNECT);
}
}
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index 312cc45c44c7..bf779f291f15 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -275,7 +275,7 @@ static int pciehp_suspend(struct pcie_device *dev)
* If the port is already runtime suspended we can keep it that
* way.
*/
- if (dev_pm_smart_suspend_and_suspended(&dev->port->dev))
+ if (dev_pm_skip_suspend(&dev->port->dev))
return 0;
pciehp_disable_interrupt(dev);
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 0454ca0e4e3f..da6510af1221 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -776,7 +776,7 @@ static int pci_pm_suspend(struct device *dev)
static int pci_pm_suspend_late(struct device *dev)
{
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
pci_fixup_device(pci_fixup_suspend, to_pci_dev(dev));
@@ -789,10 +789,8 @@ static int pci_pm_suspend_noirq(struct device *dev)
struct pci_dev *pci_dev = to_pci_dev(dev);
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
- if (dev_pm_smart_suspend_and_suspended(dev)) {
- dev->power.may_skip_resume = true;
+ if (dev_pm_skip_suspend(dev))
return 0;
- }
if (pci_has_legacy_pm_support(pci_dev))
return pci_legacy_suspend_late(dev, PMSG_SUSPEND);
@@ -880,8 +878,8 @@ Fixup:
* pci_pm_complete() to take care of fixing up the device's state
* anyway, if need be.
*/
- dev->power.may_skip_resume = device_may_wakeup(dev) ||
- !device_can_wakeup(dev);
+ if (device_can_wakeup(dev) && !device_may_wakeup(dev))
+ dev->power.may_skip_resume = false;
return 0;
}
@@ -893,18 +891,10 @@ static int pci_pm_resume_noirq(struct device *dev)
pci_power_t prev_state = pci_dev->current_state;
bool skip_bus_pm = pci_dev->skip_bus_pm;
- if (dev_pm_may_skip_resume(dev))
+ if (dev_pm_skip_resume(dev))
return 0;
/*
- * Devices with DPM_FLAG_SMART_SUSPEND may be left in runtime suspend
- * during system suspend, so update their runtime PM status to "active"
- * as they are going to be put into D0 shortly.
- */
- if (dev_pm_smart_suspend_and_suspended(dev))
- pm_runtime_set_active(dev);
-
- /*
* In the suspend-to-idle case, devices left in D0 during suspend will
* stay in D0, so it is not necessary to restore or update their
* configuration here and attempting to put them into D0 again is
@@ -928,6 +918,14 @@ static int pci_pm_resume_noirq(struct device *dev)
return 0;
}
+static int pci_pm_resume_early(struct device *dev)
+{
+ if (dev_pm_skip_resume(dev))
+ return 0;
+
+ return pm_generic_resume_early(dev);
+}
+
static int pci_pm_resume(struct device *dev)
{
struct pci_dev *pci_dev = to_pci_dev(dev);
@@ -961,6 +959,7 @@ static int pci_pm_resume(struct device *dev)
#define pci_pm_suspend_late NULL
#define pci_pm_suspend_noirq NULL
#define pci_pm_resume NULL
+#define pci_pm_resume_early NULL
#define pci_pm_resume_noirq NULL
#endif /* !CONFIG_SUSPEND */
@@ -1127,7 +1126,7 @@ static int pci_pm_poweroff(struct device *dev)
static int pci_pm_poweroff_late(struct device *dev)
{
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
pci_fixup_device(pci_fixup_suspend, to_pci_dev(dev));
@@ -1140,7 +1139,7 @@ static int pci_pm_poweroff_noirq(struct device *dev)
struct pci_dev *pci_dev = to_pci_dev(dev);
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
- if (dev_pm_smart_suspend_and_suspended(dev))
+ if (dev_pm_skip_suspend(dev))
return 0;
if (pci_has_legacy_pm_support(pci_dev))
@@ -1358,6 +1357,7 @@ static const struct dev_pm_ops pci_dev_pm_ops = {
.suspend = pci_pm_suspend,
.suspend_late = pci_pm_suspend_late,
.resume = pci_pm_resume,
+ .resume_early = pci_pm_resume_early,
.freeze = pci_pm_freeze,
.thaw = pci_pm_thaw,
.poweroff = pci_pm_poweroff,
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 160d67c59310..3acf151ae015 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -115,7 +115,7 @@ static int pcie_portdrv_probe(struct pci_dev *dev,
pci_save_state(dev);
- dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_NEVER_SKIP |
+ dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE |
DPM_FLAG_SMART_SUSPEND);
if (pci_bridge_d3_possible(dev)) {
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 77b8a145c39b..d9c2c3301a8a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1822,7 +1822,7 @@ int pci_setup_device(struct pci_dev *dev)
/* Device class may be changed after fixup */
class = dev->class >> 8;
- if (dev->non_compliant_bars) {
+ if (dev->non_compliant_bars && !dev->mmio_always_on) {
pci_read_config_word(dev, PCI_COMMAND, &cmd);
if (cmd & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
pci_info(dev, "device has non-compliant BARs; disabling IO/MEM decoding\n");
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 28c9a2409c50..ca9ed5774eb1 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5567,3 +5567,10 @@ static void pci_fixup_no_d0_pme(struct pci_dev *dev)
dev->pme_support &= ~(PCI_PM_CAP_PME_D0 >> PCI_PM_CAP_PME_SHIFT);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x2142, pci_fixup_no_d0_pme);
+
+static void apex_pci_fixup_class(struct pci_dev *pdev)
+{
+ pdev->class = (PCI_CLASS_SYSTEM_OTHER << 8) | pdev->class;
+}
+DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a,
+ PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class);
diff --git a/drivers/pcmcia/electra_cf.c b/drivers/pcmcia/electra_cf.c
index f2741c04289d..35158cfd9c1a 100644
--- a/drivers/pcmcia/electra_cf.c
+++ b/drivers/pcmcia/electra_cf.c
@@ -178,10 +178,9 @@ static int electra_cf_probe(struct platform_device *ofdev)
struct device_node *np = ofdev->dev.of_node;
struct electra_cf_socket *cf;
struct resource mem, io;
- int status;
+ int status = -ENOMEM;
const unsigned int *prop;
int err;
- struct vm_struct *area;
err = of_address_to_resource(np, 0, &mem);
if (err)
@@ -202,30 +201,19 @@ static int electra_cf_probe(struct platform_device *ofdev)
cf->mem_phys = mem.start;
cf->mem_size = PAGE_ALIGN(resource_size(&mem));
cf->mem_base = ioremap(cf->mem_phys, cf->mem_size);
+ if (!cf->mem_base)
+ goto out_free_cf;
cf->io_size = PAGE_ALIGN(resource_size(&io));
-
- area = __get_vm_area(cf->io_size, 0, PHB_IO_BASE, PHB_IO_END);
- if (area == NULL) {
- status = -ENOMEM;
- goto fail1;
- }
-
- cf->io_virt = (void __iomem *)(area->addr);
+ cf->io_virt = ioremap_phb(io.start, cf->io_size);
+ if (!cf->io_virt)
+ goto out_unmap_mem;
cf->gpio_base = ioremap(0xfc103000, 0x1000);
+ if (!cf->gpio_base)
+ goto out_unmap_virt;
dev_set_drvdata(device, cf);
- if (!cf->mem_base || !cf->io_virt || !cf->gpio_base ||
- (__ioremap_at(io.start, cf->io_virt, cf->io_size,
- pgprot_noncached(PAGE_KERNEL)) == NULL)) {
- dev_err(device, "can't ioremap ranges\n");
- status = -ENOMEM;
- goto fail1;
- }
-
-
cf->io_base = (unsigned long)cf->io_virt - VMALLOC_END;
-
cf->iomem.start = (unsigned long)cf->mem_base;
cf->iomem.end = (unsigned long)cf->mem_base + (mem.end - mem.start);
cf->iomem.flags = IORESOURCE_MEM;
@@ -305,14 +293,13 @@ fail1:
if (cf->irq)
free_irq(cf->irq, cf);
- if (cf->io_virt)
- __iounmap_at(cf->io_virt, cf->io_size);
- if (cf->mem_base)
- iounmap(cf->mem_base);
- if (cf->gpio_base)
- iounmap(cf->gpio_base);
- if (area)
- device_init_wakeup(&ofdev->dev, 0);
+ iounmap(cf->gpio_base);
+out_unmap_virt:
+ device_init_wakeup(&ofdev->dev, 0);
+ iounmap(cf->io_virt);
+out_unmap_mem:
+ iounmap(cf->mem_base);
+out_free_cf:
kfree(cf);
return status;
@@ -330,7 +317,7 @@ static int electra_cf_remove(struct platform_device *ofdev)
free_irq(cf->irq, cf);
del_timer_sync(&cf->timer);
- __iounmap_at(cf->io_virt, cf->io_size);
+ iounmap(cf->io_virt);
iounmap(cf->mem_base);
iounmap(cf->gpio_base);
release_mem_region(cf->mem_phys, cf->mem_size);
diff --git a/drivers/perf/Kconfig b/drivers/perf/Kconfig
index 09ae8a970880..a9261cf48293 100644
--- a/drivers/perf/Kconfig
+++ b/drivers/perf/Kconfig
@@ -79,13 +79,6 @@ config FSL_IMX8_DDR_PMU
can give information about memory throughput and other related
events.
-config HISI_PMU
- bool "HiSilicon SoC PMU"
- depends on ARM64 && ACPI
- help
- Support for HiSilicon SoC uncore performance monitoring
- unit (PMU), such as: L3C, HHA and DDRC.
-
config QCOM_L2_PMU
bool "Qualcomm Technologies L2-cache PMU"
depends on ARCH_QCOM && ARM64 && ACPI
@@ -129,4 +122,6 @@ config ARM_SPE_PMU
Extension, which provides periodic sampling of operations in
the CPU pipeline and reports this via the perf AUX interface.
+source "drivers/perf/hisilicon/Kconfig"
+
endmenu
diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c
index 70968c8c09d7..518d0603e24f 100644
--- a/drivers/perf/arm_dsu_pmu.c
+++ b/drivers/perf/arm_dsu_pmu.c
@@ -690,10 +690,8 @@ static int dsu_pmu_device_probe(struct platform_device *pdev)
}
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_warn(&pdev->dev, "Failed to find IRQ\n");
+ if (irq < 0)
return -EINVAL;
- }
name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s_%d",
PMUNAME, atomic_inc_return(&pmu_idx));
diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c
index f01a57e5a5f3..48e28ef93a70 100644
--- a/drivers/perf/arm_smmuv3_pmu.c
+++ b/drivers/perf/arm_smmuv3_pmu.c
@@ -814,7 +814,7 @@ static int smmu_pmu_probe(struct platform_device *pdev)
if (err) {
dev_err(dev, "Error %d registering hotplug, PMU @%pa\n",
err, &res_0->start);
- return err;
+ goto out_clear_affinity;
}
err = perf_pmu_register(&smmu_pmu->pmu, name, -1);
@@ -833,6 +833,8 @@ static int smmu_pmu_probe(struct platform_device *pdev)
out_unregister:
cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node);
+out_clear_affinity:
+ irq_set_affinity_hint(smmu_pmu->irq, NULL);
return err;
}
@@ -842,6 +844,7 @@ static int smmu_pmu_remove(struct platform_device *pdev)
perf_pmu_unregister(&smmu_pmu->pmu);
cpuhp_state_remove_instance_nocalls(cpuhp_state_num, &smmu_pmu->node);
+ irq_set_affinity_hint(smmu_pmu->irq, NULL);
return 0;
}
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index b72c04852599..d80f48798bce 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c
@@ -274,7 +274,7 @@ static u64 arm_spe_event_to_pmscr(struct perf_event *event)
if (!attr->exclude_kernel)
reg |= BIT(SYS_PMSCR_EL1_E1SPE_SHIFT);
- if (IS_ENABLED(CONFIG_PID_IN_CONTEXTIDR) && capable(CAP_SYS_ADMIN))
+ if (IS_ENABLED(CONFIG_PID_IN_CONTEXTIDR) && perfmon_capable())
reg |= BIT(SYS_PMSCR_EL1_CX_SHIFT);
return reg;
@@ -700,7 +700,7 @@ static int arm_spe_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
reg = arm_spe_event_to_pmscr(event);
- if (!capable(CAP_SYS_ADMIN) &&
+ if (!perfmon_capable() &&
(reg & (BIT(SYS_PMSCR_EL1_PA_SHIFT) |
BIT(SYS_PMSCR_EL1_CX_SHIFT) |
BIT(SYS_PMSCR_EL1_PCT_SHIFT))))
@@ -1133,10 +1133,8 @@ static int arm_spe_pmu_irq_probe(struct arm_spe_pmu *spe_pmu)
struct platform_device *pdev = spe_pmu->pdev;
int irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(&pdev->dev, "failed to get IRQ (%d)\n", irq);
+ if (irq < 0)
return -ENXIO;
- }
if (!irq_is_percpu(irq)) {
dev_err(&pdev->dev, "expected PPI but got SPI (%d)\n", irq);
diff --git a/drivers/perf/hisilicon/Kconfig b/drivers/perf/hisilicon/Kconfig
new file mode 100644
index 000000000000..c5d1b7019fff
--- /dev/null
+++ b/drivers/perf/hisilicon/Kconfig
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config HISI_PMU
+ tristate "HiSilicon SoC PMU drivers"
+ depends on ARM64 && ACPI
+ help
+ Support for HiSilicon SoC L3 Cache performance monitor, Hydra Home
+ Agent performance monitor and DDR Controller performance monitor.
diff --git a/drivers/perf/hisilicon/Makefile b/drivers/perf/hisilicon/Makefile
index c3a96ec2bf66..e8377061845f 100644
--- a/drivers/perf/hisilicon/Makefile
+++ b/drivers/perf/hisilicon/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_HISI_PMU) += hisi_uncore_pmu.o hisi_uncore_l3c_pmu.o hisi_uncore_hha_pmu.o hisi_uncore_ddrc_pmu.o
+obj-$(CONFIG_HISI_PMU) += hisi_uncore_pmu.o hisi_uncore_l3c_pmu.o \
+ hisi_uncore_hha_pmu.o hisi_uncore_ddrc_pmu.o
diff --git a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
index 453f1c6a16ca..15713faaa07e 100644
--- a/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_ddrc_pmu.c
@@ -394,8 +394,9 @@ static int hisi_ddrc_pmu_probe(struct platform_device *pdev)
ret = perf_pmu_register(&ddrc_pmu->pmu, name, -1);
if (ret) {
dev_err(ddrc_pmu->dev, "DDRC PMU register failed!\n");
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE,
- &ddrc_pmu->node);
+ cpuhp_state_remove_instance_nocalls(
+ CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE, &ddrc_pmu->node);
+ irq_set_affinity_hint(ddrc_pmu->irq, NULL);
}
return ret;
@@ -406,8 +407,9 @@ static int hisi_ddrc_pmu_remove(struct platform_device *pdev)
struct hisi_pmu *ddrc_pmu = platform_get_drvdata(pdev);
perf_pmu_unregister(&ddrc_pmu->pmu);
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE,
- &ddrc_pmu->node);
+ cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_HISI_DDRC_ONLINE,
+ &ddrc_pmu->node);
+ irq_set_affinity_hint(ddrc_pmu->irq, NULL);
return 0;
}
diff --git a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
index 6a1dd72d8abb..dcc5600788a9 100644
--- a/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_hha_pmu.c
@@ -283,7 +283,7 @@ static struct attribute *hisi_hha_pmu_events_attr[] = {
HISI_PMU_EVENT_ATTR(rx_wbip, 0x05),
HISI_PMU_EVENT_ATTR(rx_wtistash, 0x11),
HISI_PMU_EVENT_ATTR(rd_ddr_64b, 0x1c),
- HISI_PMU_EVENT_ATTR(wr_dr_64b, 0x1d),
+ HISI_PMU_EVENT_ATTR(wr_ddr_64b, 0x1d),
HISI_PMU_EVENT_ATTR(rd_ddr_128b, 0x1e),
HISI_PMU_EVENT_ATTR(wr_ddr_128b, 0x1f),
HISI_PMU_EVENT_ATTR(spill_num, 0x20),
@@ -406,8 +406,9 @@ static int hisi_hha_pmu_probe(struct platform_device *pdev)
ret = perf_pmu_register(&hha_pmu->pmu, name, -1);
if (ret) {
dev_err(hha_pmu->dev, "HHA PMU register failed!\n");
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_HHA_ONLINE,
- &hha_pmu->node);
+ cpuhp_state_remove_instance_nocalls(
+ CPUHP_AP_PERF_ARM_HISI_HHA_ONLINE, &hha_pmu->node);
+ irq_set_affinity_hint(hha_pmu->irq, NULL);
}
return ret;
@@ -418,8 +419,9 @@ static int hisi_hha_pmu_remove(struct platform_device *pdev)
struct hisi_pmu *hha_pmu = platform_get_drvdata(pdev);
perf_pmu_unregister(&hha_pmu->pmu);
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_HHA_ONLINE,
- &hha_pmu->node);
+ cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_HISI_HHA_ONLINE,
+ &hha_pmu->node);
+ irq_set_affinity_hint(hha_pmu->irq, NULL);
return 0;
}
diff --git a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
index 1151e99b241c..8dd1278bec04 100644
--- a/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_l3c_pmu.c
@@ -396,8 +396,9 @@ static int hisi_l3c_pmu_probe(struct platform_device *pdev)
ret = perf_pmu_register(&l3c_pmu->pmu, name, -1);
if (ret) {
dev_err(l3c_pmu->dev, "L3C PMU register failed!\n");
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_L3_ONLINE,
- &l3c_pmu->node);
+ cpuhp_state_remove_instance_nocalls(
+ CPUHP_AP_PERF_ARM_HISI_L3_ONLINE, &l3c_pmu->node);
+ irq_set_affinity_hint(l3c_pmu->irq, NULL);
}
return ret;
@@ -408,8 +409,9 @@ static int hisi_l3c_pmu_remove(struct platform_device *pdev)
struct hisi_pmu *l3c_pmu = platform_get_drvdata(pdev);
perf_pmu_unregister(&l3c_pmu->pmu);
- cpuhp_state_remove_instance(CPUHP_AP_PERF_ARM_HISI_L3_ONLINE,
- &l3c_pmu->node);
+ cpuhp_state_remove_instance_nocalls(CPUHP_AP_PERF_ARM_HISI_L3_ONLINE,
+ &l3c_pmu->node);
+ irq_set_affinity_hint(l3c_pmu->irq, NULL);
return 0;
}
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 584de8f807cc..97aff877a4e7 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -35,6 +35,7 @@ ssize_t hisi_format_sysfs_show(struct device *dev,
return sprintf(buf, "%s\n", (char *)eattr->var);
}
+EXPORT_SYMBOL_GPL(hisi_format_sysfs_show);
/*
* PMU event attributes
@@ -48,6 +49,7 @@ ssize_t hisi_event_sysfs_show(struct device *dev,
return sprintf(page, "config=0x%lx\n", (unsigned long)eattr->var);
}
+EXPORT_SYMBOL_GPL(hisi_event_sysfs_show);
/*
* sysfs cpumask attributes. For uncore PMU, we only have a single CPU to show
@@ -59,6 +61,7 @@ ssize_t hisi_cpumask_sysfs_show(struct device *dev,
return sprintf(buf, "%d\n", hisi_pmu->on_cpu);
}
+EXPORT_SYMBOL_GPL(hisi_cpumask_sysfs_show);
static bool hisi_validate_event_group(struct perf_event *event)
{
@@ -97,6 +100,7 @@ int hisi_uncore_pmu_counter_valid(struct hisi_pmu *hisi_pmu, int idx)
{
return idx >= 0 && idx < hisi_pmu->num_counters;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_counter_valid);
int hisi_uncore_pmu_get_event_idx(struct perf_event *event)
{
@@ -113,6 +117,7 @@ int hisi_uncore_pmu_get_event_idx(struct perf_event *event)
return idx;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_get_event_idx);
static void hisi_uncore_pmu_clear_event_idx(struct hisi_pmu *hisi_pmu, int idx)
{
@@ -173,6 +178,7 @@ int hisi_uncore_pmu_event_init(struct perf_event *event)
return 0;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_event_init);
/*
* Set the counter to count the event that we're interested in,
@@ -220,6 +226,7 @@ void hisi_uncore_pmu_set_event_period(struct perf_event *event)
/* Write start value to the hardware event counter */
hisi_pmu->ops->write_counter(hisi_pmu, hwc, val);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_set_event_period);
void hisi_uncore_pmu_event_update(struct perf_event *event)
{
@@ -240,6 +247,7 @@ void hisi_uncore_pmu_event_update(struct perf_event *event)
HISI_MAX_PERIOD(hisi_pmu->counter_bits);
local64_add(delta, &event->count);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_event_update);
void hisi_uncore_pmu_start(struct perf_event *event, int flags)
{
@@ -262,6 +270,7 @@ void hisi_uncore_pmu_start(struct perf_event *event, int flags)
hisi_uncore_pmu_enable_event(event);
perf_event_update_userpage(event);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_start);
void hisi_uncore_pmu_stop(struct perf_event *event, int flags)
{
@@ -278,6 +287,7 @@ void hisi_uncore_pmu_stop(struct perf_event *event, int flags)
hisi_uncore_pmu_event_update(event);
hwc->state |= PERF_HES_UPTODATE;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_stop);
int hisi_uncore_pmu_add(struct perf_event *event, int flags)
{
@@ -300,6 +310,7 @@ int hisi_uncore_pmu_add(struct perf_event *event, int flags)
return 0;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_add);
void hisi_uncore_pmu_del(struct perf_event *event, int flags)
{
@@ -311,12 +322,14 @@ void hisi_uncore_pmu_del(struct perf_event *event, int flags)
perf_event_update_userpage(event);
hisi_pmu->pmu_events.hw_events[hwc->idx] = NULL;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_del);
void hisi_uncore_pmu_read(struct perf_event *event)
{
/* Read hardware counter and update the perf counter statistics */
hisi_uncore_pmu_event_update(event);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_read);
void hisi_uncore_pmu_enable(struct pmu *pmu)
{
@@ -329,6 +342,7 @@ void hisi_uncore_pmu_enable(struct pmu *pmu)
hisi_pmu->ops->start_counters(hisi_pmu);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_enable);
void hisi_uncore_pmu_disable(struct pmu *pmu)
{
@@ -336,6 +350,7 @@ void hisi_uncore_pmu_disable(struct pmu *pmu)
hisi_pmu->ops->stop_counters(hisi_pmu);
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_disable);
/*
@@ -414,10 +429,11 @@ int hisi_uncore_pmu_online_cpu(unsigned int cpu, struct hlist_node *node)
hisi_pmu->on_cpu = cpu;
/* Overflow interrupt also should use the same CPU */
- WARN_ON(irq_set_affinity(hisi_pmu->irq, cpumask_of(cpu)));
+ WARN_ON(irq_set_affinity_hint(hisi_pmu->irq, cpumask_of(cpu)));
return 0;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_online_cpu);
int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node)
{
@@ -446,7 +462,10 @@ int hisi_uncore_pmu_offline_cpu(unsigned int cpu, struct hlist_node *node)
perf_pmu_migrate_context(&hisi_pmu->pmu, cpu, target);
/* Use this CPU for event counting */
hisi_pmu->on_cpu = target;
- WARN_ON(irq_set_affinity(hisi_pmu->irq, cpumask_of(target)));
+ WARN_ON(irq_set_affinity_hint(hisi_pmu->irq, cpumask_of(target)));
return 0;
}
+EXPORT_SYMBOL_GPL(hisi_uncore_pmu_offline_cpu);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 3708d43b7508..393011a05b48 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -816,6 +816,13 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
.compatible = "qcom,msm8998-qusb2-phy",
.data = &msm8998_phy_cfg,
}, {
+ /*
+ * Deprecated. Only here to support legacy device
+ * trees that didn't include "qcom,qusb2-v2-phy"
+ */
+ .compatible = "qcom,sdm845-qusb2-phy",
+ .data = &qusb2_v2_phy_cfg,
+ }, {
.compatible = "qcom,qusb2-v2-phy",
.data = &qusb2_v2_phy_cfg,
},
diff --git a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
index d998e65c89c8..a52a9bf13b75 100644
--- a/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
+++ b/drivers/phy/qualcomm/phy-qcom-usb-hs-28nm.c
@@ -160,18 +160,11 @@ static int qcom_snps_hsphy_power_on(struct phy *phy)
ret = regulator_bulk_enable(VREG_NUM, priv->vregs);
if (ret)
return ret;
- ret = clk_bulk_prepare_enable(priv->num_clks, priv->clks);
- if (ret)
- goto err_disable_regulator;
+
qcom_snps_hsphy_disable_hv_interrupts(priv);
qcom_snps_hsphy_exit_retention(priv);
return 0;
-
-err_disable_regulator:
- regulator_bulk_disable(VREG_NUM, priv->vregs);
-
- return ret;
}
static int qcom_snps_hsphy_power_off(struct phy *phy)
@@ -180,7 +173,6 @@ static int qcom_snps_hsphy_power_off(struct phy *phy)
qcom_snps_hsphy_enter_retention(priv);
qcom_snps_hsphy_enable_hv_interrupts(priv);
- clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
regulator_bulk_disable(VREG_NUM, priv->vregs);
return 0;
@@ -266,21 +258,39 @@ static int qcom_snps_hsphy_init(struct phy *phy)
struct hsphy_priv *priv = phy_get_drvdata(phy);
int ret;
- ret = qcom_snps_hsphy_reset(priv);
+ ret = clk_bulk_prepare_enable(priv->num_clks, priv->clks);
if (ret)
return ret;
+ ret = qcom_snps_hsphy_reset(priv);
+ if (ret)
+ goto disable_clocks;
+
qcom_snps_hsphy_init_sequence(priv);
ret = qcom_snps_hsphy_por_reset(priv);
if (ret)
- return ret;
+ goto disable_clocks;
+
+ return 0;
+
+disable_clocks:
+ clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
+ return ret;
+}
+
+static int qcom_snps_hsphy_exit(struct phy *phy)
+{
+ struct hsphy_priv *priv = phy_get_drvdata(phy);
+
+ clk_bulk_disable_unprepare(priv->num_clks, priv->clks);
return 0;
}
static const struct phy_ops qcom_snps_hsphy_ops = {
.init = qcom_snps_hsphy_init,
+ .exit = qcom_snps_hsphy_exit,
.power_on = qcom_snps_hsphy_power_on,
.power_off = qcom_snps_hsphy_power_off,
.set_mode = qcom_snps_hsphy_set_mode,
diff --git a/drivers/phy/tegra/Kconfig b/drivers/phy/tegra/Kconfig
index a208aca4ba7b..c591c958f1eb 100644
--- a/drivers/phy/tegra/Kconfig
+++ b/drivers/phy/tegra/Kconfig
@@ -1,7 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
config PHY_TEGRA_XUSB
tristate "NVIDIA Tegra XUSB pad controller driver"
- depends on ARCH_TEGRA
+ depends on ARCH_TEGRA && USB_SUPPORT
+ select USB_COMMON
select USB_CONN_GPIO
select USB_PHY
help
diff --git a/drivers/pinctrl/actions/pinctrl-s700.c b/drivers/pinctrl/actions/pinctrl-s700.c
index 47a4ccd9fed4..f579a6593f37 100644
--- a/drivers/pinctrl/actions/pinctrl-s700.c
+++ b/drivers/pinctrl/actions/pinctrl-s700.c
@@ -1435,7 +1435,7 @@ static const char * const sd2_groups[] = {
static const char * const i2c0_groups[] = {
"uart0_rx_mfp",
"uart0_tx_mfp",
- "i2c0_mfp_mfp",
+ "i2c0_mfp",
};
static const char * const i2c1_groups[] = {
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index b409642f168d..9b821c9cbd16 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -1286,6 +1286,7 @@ static const struct gpio_chip byt_gpio_chip = {
.direction_output = byt_gpio_direction_output,
.get = byt_gpio_get,
.set = byt_gpio_set,
+ .set_config = gpiochip_generic_config,
.dbg_show = byt_gpio_dbg_show,
};
diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index 4c74fdde576d..1093a6105d40 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -1479,11 +1479,15 @@ static void chv_gpio_irq_handler(struct irq_desc *desc)
struct chv_pinctrl *pctrl = gpiochip_get_data(gc);
struct irq_chip *chip = irq_desc_get_chip(desc);
unsigned long pending;
+ unsigned long flags;
u32 intr_line;
chained_irq_enter(chip, desc);
+ raw_spin_lock_irqsave(&chv_lock, flags);
pending = readl(pctrl->regs + CHV_INTSTAT);
+ raw_spin_unlock_irqrestore(&chv_lock, flags);
+
for_each_set_bit(intr_line, &pending, pctrl->community->nirqs) {
unsigned int irq, offset;
diff --git a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
index 330c8f077b73..4d7a86a5a37b 100644
--- a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
+++ b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
@@ -15,17 +15,18 @@
#include "pinctrl-intel.h"
-#define SPT_PAD_OWN 0x020
-#define SPT_PADCFGLOCK 0x0a0
-#define SPT_HOSTSW_OWN 0x0d0
-#define SPT_GPI_IS 0x100
-#define SPT_GPI_IE 0x120
+#define SPT_PAD_OWN 0x020
+#define SPT_H_PADCFGLOCK 0x090
+#define SPT_LP_PADCFGLOCK 0x0a0
+#define SPT_HOSTSW_OWN 0x0d0
+#define SPT_GPI_IS 0x100
+#define SPT_GPI_IE 0x120
#define SPT_COMMUNITY(b, s, e) \
{ \
.barno = (b), \
.padown_offset = SPT_PAD_OWN, \
- .padcfglock_offset = SPT_PADCFGLOCK, \
+ .padcfglock_offset = SPT_LP_PADCFGLOCK, \
.hostown_offset = SPT_HOSTSW_OWN, \
.is_offset = SPT_GPI_IS, \
.ie_offset = SPT_GPI_IE, \
@@ -47,7 +48,7 @@
{ \
.barno = (b), \
.padown_offset = SPT_PAD_OWN, \
- .padcfglock_offset = SPT_PADCFGLOCK, \
+ .padcfglock_offset = SPT_H_PADCFGLOCK, \
.hostown_offset = SPT_HOSTSW_OWN, \
.is_offset = SPT_GPI_IS, \
.ie_offset = SPT_GPI_IE, \
diff --git a/drivers/pinctrl/mediatek/pinctrl-paris.c b/drivers/pinctrl/mediatek/pinctrl-paris.c
index 3853ec3a2a8e..ee305f140400 100644
--- a/drivers/pinctrl/mediatek/pinctrl-paris.c
+++ b/drivers/pinctrl/mediatek/pinctrl-paris.c
@@ -164,8 +164,6 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev,
case MTK_PIN_CONFIG_PU_ADV:
case MTK_PIN_CONFIG_PD_ADV:
if (hw->soc->adv_pull_get) {
- bool pullup;
-
pullup = param == MTK_PIN_CONFIG_PU_ADV;
err = hw->soc->adv_pull_get(hw, desc, pullup, &ret);
} else
diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index 9a398a211d30..85858c1d56d0 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -697,7 +697,7 @@ static void msm_gpio_update_dual_edge_pos(struct msm_pinctrl *pctrl,
pol = msm_readl_intr_cfg(pctrl, g);
pol ^= BIT(g->intr_polarity_bit);
- msm_writel_intr_cfg(val, pctrl, g);
+ msm_writel_intr_cfg(pol, pctrl, g);
val2 = msm_readl_io(pctrl, g) & BIT(g->in_bit);
intstat = msm_readl_intr_status(pctrl, g);
@@ -1034,6 +1034,29 @@ static void msm_gpio_irq_relres(struct irq_data *d)
module_put(gc->owner);
}
+static int msm_gpio_irq_set_affinity(struct irq_data *d,
+ const struct cpumask *dest, bool force)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct msm_pinctrl *pctrl = gpiochip_get_data(gc);
+
+ if (d->parent_data && test_bit(d->hwirq, pctrl->skip_wake_irqs))
+ return irq_chip_set_affinity_parent(d, dest, force);
+
+ return 0;
+}
+
+static int msm_gpio_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct msm_pinctrl *pctrl = gpiochip_get_data(gc);
+
+ if (d->parent_data && test_bit(d->hwirq, pctrl->skip_wake_irqs))
+ return irq_chip_set_vcpu_affinity_parent(d, vcpu_info);
+
+ return 0;
+}
+
static void msm_gpio_irq_handler(struct irq_desc *desc)
{
struct gpio_chip *gc = irq_desc_get_handler_data(desc);
@@ -1132,6 +1155,8 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
pctrl->irq_chip.irq_set_wake = msm_gpio_irq_set_wake;
pctrl->irq_chip.irq_request_resources = msm_gpio_irq_reqres;
pctrl->irq_chip.irq_release_resources = msm_gpio_irq_relres;
+ pctrl->irq_chip.irq_set_affinity = msm_gpio_irq_set_affinity;
+ pctrl->irq_chip.irq_set_vcpu_affinity = msm_gpio_irq_set_vcpu_affinity;
np = of_parse_phandle(pctrl->dev->of_node, "wakeup-parent", 0);
if (np) {
diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c
index d13770785fb5..fa51153688b4 100644
--- a/drivers/platform/chrome/chromeos_pstore.c
+++ b/drivers/platform/chrome/chromeos_pstore.c
@@ -57,7 +57,7 @@ static struct ramoops_platform_data chromeos_ramoops_data = {
.record_size = 0x40000,
.console_size = 0x20000,
.ftrace_size = 0x20000,
- .dump_oops = 1,
+ .max_reason = KMSG_DUMP_OOPS,
};
static struct platform_device chromeos_ramoops = {
diff --git a/drivers/platform/chrome/cros_ec_sensorhub.c b/drivers/platform/chrome/cros_ec_sensorhub.c
index b7f2c00db5e1..9c4af76a9956 100644
--- a/drivers/platform/chrome/cros_ec_sensorhub.c
+++ b/drivers/platform/chrome/cros_ec_sensorhub.c
@@ -52,28 +52,15 @@ static int cros_ec_sensorhub_register(struct device *dev,
int sensor_type[MOTIONSENSE_TYPE_MAX] = { 0 };
struct cros_ec_command *msg = sensorhub->msg;
struct cros_ec_dev *ec = sensorhub->ec;
- int ret, i, sensor_num;
+ int ret, i;
char *name;
- sensor_num = cros_ec_get_sensor_count(ec);
- if (sensor_num < 0) {
- dev_err(dev,
- "Unable to retrieve sensor information (err:%d)\n",
- sensor_num);
- return sensor_num;
- }
-
- sensorhub->sensor_num = sensor_num;
- if (sensor_num == 0) {
- dev_err(dev, "Zero sensors reported.\n");
- return -EINVAL;
- }
msg->version = 1;
msg->insize = sizeof(struct ec_response_motion_sense);
msg->outsize = sizeof(struct ec_params_motion_sense);
- for (i = 0; i < sensor_num; i++) {
+ for (i = 0; i < sensorhub->sensor_num; i++) {
sensorhub->params->cmd = MOTIONSENSE_CMD_INFO;
sensorhub->params->info.sensor_num = i;
@@ -140,8 +127,7 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
struct cros_ec_dev *ec = dev_get_drvdata(dev->parent);
struct cros_ec_sensorhub *data;
struct cros_ec_command *msg;
- int ret;
- int i;
+ int ret, i, sensor_num;
msg = devm_kzalloc(dev, sizeof(struct cros_ec_command) +
max((u16)sizeof(struct ec_params_motion_sense),
@@ -166,10 +152,52 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
dev_set_drvdata(dev, data);
/* Check whether this EC is a sensor hub. */
- if (cros_ec_check_features(data->ec, EC_FEATURE_MOTION_SENSE)) {
+ if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) {
+ sensor_num = cros_ec_get_sensor_count(ec);
+ if (sensor_num < 0) {
+ dev_err(dev,
+ "Unable to retrieve sensor information (err:%d)\n",
+ sensor_num);
+ return sensor_num;
+ }
+ if (sensor_num == 0) {
+ dev_err(dev, "Zero sensors reported.\n");
+ return -EINVAL;
+ }
+ data->sensor_num = sensor_num;
+
+ /*
+ * Prepare the ring handler before enumering the
+ * sensors.
+ */
+ if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
+ ret = cros_ec_sensorhub_ring_allocate(data);
+ if (ret)
+ return ret;
+ }
+
+ /* Enumerate the sensors.*/
ret = cros_ec_sensorhub_register(dev, data);
if (ret)
return ret;
+
+ /*
+ * When the EC does not have a FIFO, the sensors will query
+ * their data themselves via sysfs or a software trigger.
+ */
+ if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
+ ret = cros_ec_sensorhub_ring_add(data);
+ if (ret)
+ return ret;
+ /*
+ * The msg and its data is not under the control of the
+ * ring handler.
+ */
+ return devm_add_action_or_reset(dev,
+ cros_ec_sensorhub_ring_remove,
+ data);
+ }
+
} else {
/*
* If the device has sensors but does not claim to
@@ -184,22 +212,6 @@ static int cros_ec_sensorhub_probe(struct platform_device *pdev)
}
}
- /*
- * If the EC does not have a FIFO, the sensors will query their data
- * themselves via sysfs or a software trigger.
- */
- if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE_FIFO)) {
- ret = cros_ec_sensorhub_ring_add(data);
- if (ret)
- return ret;
- /*
- * The msg and its data is not under the control of the ring
- * handler.
- */
- return devm_add_action_or_reset(dev,
- cros_ec_sensorhub_ring_remove,
- data);
- }
return 0;
}
diff --git a/drivers/platform/chrome/cros_ec_sensorhub_ring.c b/drivers/platform/chrome/cros_ec_sensorhub_ring.c
index c48e5b38a441..24e48d96ed76 100644
--- a/drivers/platform/chrome/cros_ec_sensorhub_ring.c
+++ b/drivers/platform/chrome/cros_ec_sensorhub_ring.c
@@ -957,17 +957,15 @@ static int cros_ec_sensorhub_event(struct notifier_block *nb,
}
/**
- * cros_ec_sensorhub_ring_add() - Add the FIFO functionality if the EC
- * supports it.
+ * cros_ec_sensorhub_ring_allocate() - Prepare the FIFO functionality if the EC
+ * supports it.
*
* @sensorhub : Sensor Hub object.
*
* Return: 0 on success.
*/
-int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
+int cros_ec_sensorhub_ring_allocate(struct cros_ec_sensorhub *sensorhub)
{
- struct cros_ec_dev *ec = sensorhub->ec;
- int ret;
int fifo_info_length =
sizeof(struct ec_response_motion_sense_fifo_info) +
sizeof(u16) * sensorhub->sensor_num;
@@ -978,6 +976,49 @@ int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
if (!sensorhub->fifo_info)
return -ENOMEM;
+ /*
+ * Allocate the callback area based on the number of sensors.
+ * Add one for the sensor ring.
+ */
+ sensorhub->push_data = devm_kcalloc(sensorhub->dev,
+ sensorhub->sensor_num,
+ sizeof(*sensorhub->push_data),
+ GFP_KERNEL);
+ if (!sensorhub->push_data)
+ return -ENOMEM;
+
+ sensorhub->tight_timestamps = cros_ec_check_features(
+ sensorhub->ec,
+ EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS);
+
+ if (sensorhub->tight_timestamps) {
+ sensorhub->batch_state = devm_kcalloc(sensorhub->dev,
+ sensorhub->sensor_num,
+ sizeof(*sensorhub->batch_state),
+ GFP_KERNEL);
+ if (!sensorhub->batch_state)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/**
+ * cros_ec_sensorhub_ring_add() - Add the FIFO functionality if the EC
+ * supports it.
+ *
+ * @sensorhub : Sensor Hub object.
+ *
+ * Return: 0 on success.
+ */
+int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
+{
+ struct cros_ec_dev *ec = sensorhub->ec;
+ int ret;
+ int fifo_info_length =
+ sizeof(struct ec_response_motion_sense_fifo_info) +
+ sizeof(u16) * sensorhub->sensor_num;
+
/* Retrieve FIFO information */
sensorhub->msg->version = 2;
sensorhub->params->cmd = MOTIONSENSE_CMD_FIFO_INFO;
@@ -998,31 +1039,9 @@ int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub)
if (!sensorhub->ring)
return -ENOMEM;
- /*
- * Allocate the callback area based on the number of sensors.
- */
- sensorhub->push_data = devm_kcalloc(
- sensorhub->dev, sensorhub->sensor_num,
- sizeof(*sensorhub->push_data),
- GFP_KERNEL);
- if (!sensorhub->push_data)
- return -ENOMEM;
-
sensorhub->fifo_timestamp[CROS_EC_SENSOR_LAST_TS] =
cros_ec_get_time_ns();
- sensorhub->tight_timestamps = cros_ec_check_features(
- ec, EC_FEATURE_MOTION_SENSE_TIGHT_TIMESTAMPS);
-
- if (sensorhub->tight_timestamps) {
- sensorhub->batch_state = devm_kcalloc(sensorhub->dev,
- sensorhub->sensor_num,
- sizeof(*sensorhub->batch_state),
- GFP_KERNEL);
- if (!sensorhub->batch_state)
- return -ENOMEM;
- }
-
/* Register the notifier that will act as a top half interrupt. */
sensorhub->notifier.notifier_call = cros_ec_sensorhub_event;
ret = blocking_notifier_chain_register(&ec->ec_dev->event_notifier,
diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig
index 5e77b0dc5fd6..8ac149173c64 100644
--- a/drivers/platform/mips/Kconfig
+++ b/drivers/platform/mips/Kconfig
@@ -24,4 +24,10 @@ config CPU_HWMON
help
Loongson-3A/3B CPU Hwmon (temperature sensor) driver.
+config RS780E_ACPI
+ bool "Loongson RS780E ACPI Controller"
+ depends on MACH_LOONGSON64 || COMPILE_TEST
+ help
+ Loongson RS780E PCH ACPI Controller driver.
+
endif # MIPS_PLATFORM_DEVICES
diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile
index be8146c20dc8..178149098777 100644
--- a/drivers/platform/mips/Makefile
+++ b/drivers/platform/mips/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_CPU_HWMON) += cpu_hwmon.o
+obj-$(CONFIG_RS780E_ACPI) += rs780e-acpi.o
diff --git a/arch/mips/loongson64/acpi_init.c b/drivers/platform/mips/rs780e-acpi.c
index 8d7c119ddf91..e5a643b78ac9 100644
--- a/arch/mips/loongson64/acpi_init.c
+++ b/drivers/platform/mips/rs780e-acpi.c
@@ -3,32 +3,23 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/export.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
-#define SBX00_ACPI_IO_BASE 0x800
-#define SBX00_ACPI_IO_SIZE 0x100
+static unsigned long acpi_iobase;
-#define ACPI_PM_EVT_BLK (SBX00_ACPI_IO_BASE + 0x00) /* 4 bytes */
-#define ACPI_PM_CNT_BLK (SBX00_ACPI_IO_BASE + 0x04) /* 2 bytes */
-#define ACPI_PMA_CNT_BLK (SBX00_ACPI_IO_BASE + 0x0F) /* 1 byte */
-#define ACPI_PM_TMR_BLK (SBX00_ACPI_IO_BASE + 0x18) /* 4 bytes */
-#define ACPI_GPE0_BLK (SBX00_ACPI_IO_BASE + 0x10) /* 8 bytes */
-#define ACPI_END (SBX00_ACPI_IO_BASE + 0x80)
+#define ACPI_PM_EVT_BLK (acpi_iobase + 0x00) /* 4 bytes */
+#define ACPI_PM_CNT_BLK (acpi_iobase + 0x04) /* 2 bytes */
+#define ACPI_PMA_CNT_BLK (acpi_iobase + 0x0F) /* 1 byte */
+#define ACPI_PM_TMR_BLK (acpi_iobase + 0x18) /* 4 bytes */
+#define ACPI_GPE0_BLK (acpi_iobase + 0x10) /* 8 bytes */
+#define ACPI_END (acpi_iobase + 0x80)
#define PM_INDEX 0xCD6
#define PM_DATA 0xCD7
#define PM2_INDEX 0xCD0
#define PM2_DATA 0xCD1
-/*
- * SCI interrupt need acpi space, allocate here
- */
-
-static int __init register_acpi_resource(void)
-{
- request_region(SBX00_ACPI_IO_BASE, SBX00_ACPI_IO_SIZE, "acpi");
- return 0;
-}
-
static void pmio_write_index(u16 index, u8 reg, u8 value)
{
outb(reg, index);
@@ -141,11 +132,38 @@ void acpi_registers_setup(void)
pm2_iowrite(0xf8, value);
}
-int __init sbx00_acpi_init(void)
+static int rs780e_acpi_probe(struct platform_device *pdev)
{
- register_acpi_resource();
+ struct resource *res;
+
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!res)
+ return -ENODEV;
+
+ /* SCI interrupt need acpi space, allocate here */
+ if (!request_region(res->start, resource_size(res), "acpi")) {
+ pr_err("RS780E-ACPI: Failed to request IO Region\n");
+ return -EBUSY;
+ }
+
+ acpi_iobase = res->start;
+
acpi_registers_setup();
acpi_hw_clear_status();
return 0;
}
+
+static const struct of_device_id rs780e_acpi_match[] = {
+ { .compatible = "loongson,rs780e-acpi" },
+ {},
+};
+
+static struct platform_driver rs780e_acpi_driver = {
+ .probe = rs780e_acpi_probe,
+ .driver = {
+ .name = "RS780E-ACPI",
+ .of_match_table = rs780e_acpi_match,
+ },
+};
+builtin_platform_driver(rs780e_acpi_driver);
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index c257072a7c35..ee93dcd065b8 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -78,6 +78,16 @@ config HUAWEI_WMI
To compile this driver as a module, choose M here: the module
will be called huawei-wmi.
+config INTEL_WMI_SBL_FW_UPDATE
+ tristate "Intel WMI Slim Bootloader firmware update signaling driver"
+ depends on ACPI_WMI
+ help
+ Say Y here if you want to be able to use the WMI interface to signal
+ Slim Bootloader to trigger update on next reboot.
+
+ To compile this driver as a module, choose M here: the module will
+ be called intel-wmi-sbl-fw-update.
+
config INTEL_WMI_THUNDERBOLT
tristate "Intel WMI thunderbolt force power driver"
depends on ACPI_WMI
@@ -1270,7 +1280,8 @@ config INTEL_UNCORE_FREQ_CONTROL
config INTEL_BXTWC_PMIC_TMU
tristate "Intel BXT Whiskey Cove TMU Driver"
depends on REGMAP
- depends on INTEL_SOC_PMIC_BXTWC && INTEL_PMC_IPC
+ depends on MFD_INTEL_PMC_BXT
+ depends on INTEL_SOC_PMIC_BXTWC
---help---
Select this driver to use Intel BXT Whiskey Cove PMIC TMU feature.
This driver enables the alarm wakeup functionality in the TMU unit
@@ -1296,7 +1307,7 @@ config INTEL_MFLD_THERMAL
config INTEL_MID_POWER_BUTTON
tristate "power button driver for Intel MID platforms"
- depends on INTEL_SCU_IPC && INPUT
+ depends on INTEL_SCU && INPUT
help
This driver handles the power button on the Intel MID platforms.
@@ -1328,14 +1339,6 @@ config INTEL_PMC_CORE
- LTR Ignore
- MPHY/PLL gating status (Sunrisepoint PCH only)
-config INTEL_PMC_IPC
- tristate "Intel PMC IPC Driver"
- depends on ACPI && PCI
- ---help---
- This driver provides support for PMC control on some Intel platforms.
- The PMC is an ARC processor which defines IPC commands for communication
- with other entities in the CPU.
-
config INTEL_PUNIT_IPC
tristate "Intel P-Unit IPC Driver"
---help---
@@ -1343,17 +1346,39 @@ config INTEL_PUNIT_IPC
which is used to bridge the communications between kernel and P-Unit.
config INTEL_SCU_IPC
- bool "Intel SCU IPC Support"
- depends on X86_INTEL_MID
- default y
- ---help---
- IPC is used to bridge the communications between kernel and SCU on
- some embedded Intel x86 platforms. This is not needed for PC-type
- machines.
+ bool
+
+config INTEL_SCU
+ bool
+ select INTEL_SCU_IPC
+
+config INTEL_SCU_PCI
+ bool "Intel SCU PCI driver"
+ depends on PCI
+ select INTEL_SCU
+ help
+ This driver is used to bridge the communications between kernel
+ and SCU on some embedded Intel x86 platforms. It also creates
+ devices that are connected to the SoC through the SCU.
+ Platforms supported:
+ Medfield
+ Clovertrail
+ Merrifield
+ Broxton
+ Apollo Lake
+
+config INTEL_SCU_PLATFORM
+ tristate "Intel SCU platform driver"
+ depends on ACPI
+ select INTEL_SCU
+ help
+ This driver is used to bridge the communications between kernel
+ and SCU (sometimes called PMC as well). The driver currently
+ supports Intel Elkhart Lake and compatible platforms.
config INTEL_SCU_IPC_UTIL
tristate "Intel SCU IPC utility driver"
- depends on INTEL_SCU_IPC
+ depends on INTEL_SCU
---help---
The IPC Util driver provides an interface with the SCU enabling
low level access for debug work and updating the firmware. Say
@@ -1361,7 +1386,9 @@ config INTEL_SCU_IPC_UTIL
config INTEL_TELEMETRY
tristate "Intel SoC Telemetry Driver"
- depends on INTEL_PMC_IPC && INTEL_PUNIT_IPC && X86_64
+ depends on X86_64
+ depends on MFD_INTEL_PMC_BXT
+ depends on INTEL_PUNIT_IPC
---help---
This driver provides interfaces to configure and use
telemetry for INTEL SoC from APL onwards. It is also
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 53408d965874..2b85852a1a87 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_WMI_BMOF) += wmi-bmof.o
# WMI drivers
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
obj-$(CONFIG_HUAWEI_WMI) += huawei-wmi.o
+obj-$(CONFIG_INTEL_WMI_SBL_FW_UPDATE) += intel-wmi-sbl-fw-update.o
obj-$(CONFIG_INTEL_WMI_THUNDERBOLT) += intel-wmi-thunderbolt.o
obj-$(CONFIG_MXM_WMI) += mxm-wmi.o
obj-$(CONFIG_PEAQ_WMI) += peaq-wmi.o
@@ -138,9 +139,10 @@ obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o
obj-$(CONFIG_INTEL_MID_POWER_BUTTON) += intel_mid_powerbtn.o
obj-$(CONFIG_INTEL_MRFLD_PWRBTN) += intel_mrfld_pwrbtn.o
obj-$(CONFIG_INTEL_PMC_CORE) += intel_pmc_core.o intel_pmc_core_pltdrv.o
-obj-$(CONFIG_INTEL_PMC_IPC) += intel_pmc_ipc.o
obj-$(CONFIG_INTEL_PUNIT_IPC) += intel_punit_ipc.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
+obj-$(CONFIG_INTEL_SCU_PCI) += intel_scu_pcidrv.o
+obj-$(CONFIG_INTEL_SCU_PLATFORM) += intel_scu_pltdrv.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
obj-$(CONFIG_INTEL_TELEMETRY) += intel_telemetry_core.o \
intel_telemetry_pltdrv.o \
diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index 8cc86f4e3ac1..4df7609b4aa9 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -827,7 +827,7 @@ MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMU*:");
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:");
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:");
MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:");
-MODULE_ALIAS("dmi:*:*Acer*:pnExtensa 5420*:");
+MODULE_ALIAS("dmi:*:*Acer*:pnExtensa*5420*:");
module_init(acerhdf_init);
module_exit(acerhdf_exit);
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index a666fbc2e73b..0edafe687fa9 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -640,22 +640,15 @@ static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
static void asus_led_exit(struct asus_laptop *asus)
{
- if (!IS_ERR_OR_NULL(asus->wled.led.dev))
- led_classdev_unregister(&asus->wled.led);
- if (!IS_ERR_OR_NULL(asus->bled.led.dev))
- led_classdev_unregister(&asus->bled.led);
- if (!IS_ERR_OR_NULL(asus->mled.led.dev))
- led_classdev_unregister(&asus->mled.led);
- if (!IS_ERR_OR_NULL(asus->tled.led.dev))
- led_classdev_unregister(&asus->tled.led);
- if (!IS_ERR_OR_NULL(asus->pled.led.dev))
- led_classdev_unregister(&asus->pled.led);
- if (!IS_ERR_OR_NULL(asus->rled.led.dev))
- led_classdev_unregister(&asus->rled.led);
- if (!IS_ERR_OR_NULL(asus->gled.led.dev))
- led_classdev_unregister(&asus->gled.led);
- if (!IS_ERR_OR_NULL(asus->kled.led.dev))
- led_classdev_unregister(&asus->kled.led);
+ led_classdev_unregister(&asus->wled.led);
+ led_classdev_unregister(&asus->bled.led);
+ led_classdev_unregister(&asus->mled.led);
+ led_classdev_unregister(&asus->tled.led);
+ led_classdev_unregister(&asus->pled.led);
+ led_classdev_unregister(&asus->rled.led);
+ led_classdev_unregister(&asus->gled.led);
+ led_classdev_unregister(&asus->kled.led);
+
if (asus->led_workqueue) {
destroy_workqueue(asus->led_workqueue);
asus->led_workqueue = NULL;
diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 6f12747a359a..8c4d00482ef0 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -472,6 +472,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
{ KE_IGNORE, 0x6E, }, /* Low Battery notification */
{ KE_KEY, 0x71, { KEY_F13 } }, /* General-purpose button */
+ { KE_IGNORE, 0x79, }, /* Charger type dectection notification */
{ KE_KEY, 0x7a, { KEY_ALS_TOGGLE } }, /* Ambient Light Sensor Toggle */
{ KE_KEY, 0x7c, { KEY_MICMUTE } },
{ KE_KEY, 0x7D, { KEY_BLUETOOTH } }, /* Bluetooth Enable */
@@ -515,9 +516,33 @@ static struct asus_wmi_driver asus_nb_wmi_driver = {
.detect_quirks = asus_nb_wmi_quirks,
};
+static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
+ {
+ /*
+ * asus-nb-wm adds no functionality. The T100TA has a detachable
+ * USB kbd, so no hotkeys and it has no WMI rfkill; and loading
+ * asus-nb-wm causes the camera LED to turn and _stay_ on.
+ */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+ },
+ },
+ {
+ /* The Asus T200TA has the same issue as the T100TA */
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
+ },
+ },
+ {} /* Terminating entry */
+};
static int __init asus_nb_wmi_init(void)
{
+ if (dmi_check_system(asus_nb_wmi_blacklist))
+ return -ENODEV;
+
return asus_wmi_register_driver(&asus_nb_wmi_driver);
}
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index bb7c529d7d16..877aade19497 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -57,6 +57,7 @@ MODULE_LICENSE("GPL");
#define NOTIFY_BRNDOWN_MIN 0x20
#define NOTIFY_BRNDOWN_MAX 0x2e
#define NOTIFY_FNLOCK_TOGGLE 0x4e
+#define NOTIFY_KBD_DOCK_CHANGE 0x75
#define NOTIFY_KBD_BRTUP 0xc4
#define NOTIFY_KBD_BRTDWN 0xc5
#define NOTIFY_KBD_BRTTOGGLE 0xc7
@@ -116,6 +117,8 @@ struct bios_args {
u32 arg0;
u32 arg1;
u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
+ u32 arg4;
+ u32 arg5;
} __packed;
/*
@@ -222,45 +225,6 @@ struct asus_wmi {
struct asus_wmi_driver *driver;
};
-/* Input **********************************************************************/
-
-static int asus_wmi_input_init(struct asus_wmi *asus)
-{
- int err;
-
- asus->inputdev = input_allocate_device();
- if (!asus->inputdev)
- return -ENOMEM;
-
- asus->inputdev->name = asus->driver->input_name;
- asus->inputdev->phys = asus->driver->input_phys;
- asus->inputdev->id.bustype = BUS_HOST;
- asus->inputdev->dev.parent = &asus->platform_device->dev;
- set_bit(EV_REP, asus->inputdev->evbit);
-
- err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
- if (err)
- goto err_free_dev;
-
- err = input_register_device(asus->inputdev);
- if (err)
- goto err_free_dev;
-
- return 0;
-
-err_free_dev:
- input_free_device(asus->inputdev);
- return err;
-}
-
-static void asus_wmi_input_exit(struct asus_wmi *asus)
-{
- if (asus->inputdev)
- input_unregister_device(asus->inputdev);
-
- asus->inputdev = NULL;
-}
-
/* WMI ************************************************************************/
static int asus_wmi_evaluate_method3(u32 method_id,
@@ -309,7 +273,7 @@ static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
struct acpi_buffer input;
u64 phys_addr;
u32 retval;
- u32 status = -1;
+ u32 status;
/*
* Copy to dma capable address otherwise memory corruption occurs as
@@ -381,6 +345,53 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
}
+/* Input **********************************************************************/
+
+static int asus_wmi_input_init(struct asus_wmi *asus)
+{
+ int err, result;
+
+ asus->inputdev = input_allocate_device();
+ if (!asus->inputdev)
+ return -ENOMEM;
+
+ asus->inputdev->name = asus->driver->input_name;
+ asus->inputdev->phys = asus->driver->input_phys;
+ asus->inputdev->id.bustype = BUS_HOST;
+ asus->inputdev->dev.parent = &asus->platform_device->dev;
+ set_bit(EV_REP, asus->inputdev->evbit);
+
+ err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
+ if (err)
+ goto err_free_dev;
+
+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK);
+ if (result >= 0) {
+ input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
+ input_report_switch(asus->inputdev, SW_TABLET_MODE, !result);
+ } else if (result != -ENODEV) {
+ pr_err("Error checking for keyboard-dock: %d\n", result);
+ }
+
+ err = input_register_device(asus->inputdev);
+ if (err)
+ goto err_free_dev;
+
+ return 0;
+
+err_free_dev:
+ input_free_device(asus->inputdev);
+ return err;
+}
+
+static void asus_wmi_input_exit(struct asus_wmi *asus)
+{
+ if (asus->inputdev)
+ input_unregister_device(asus->inputdev);
+
+ asus->inputdev = NULL;
+}
+
/* Battery ********************************************************************/
/* The battery maximum charging percentage */
@@ -675,14 +686,11 @@ static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
static void asus_wmi_led_exit(struct asus_wmi *asus)
{
- if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
- led_classdev_unregister(&asus->kbd_led);
- if (!IS_ERR_OR_NULL(asus->tpd_led.dev))
- led_classdev_unregister(&asus->tpd_led);
- if (!IS_ERR_OR_NULL(asus->wlan_led.dev))
- led_classdev_unregister(&asus->wlan_led);
- if (!IS_ERR_OR_NULL(asus->lightbar_led.dev))
- led_classdev_unregister(&asus->lightbar_led);
+ led_classdev_unregister(&asus->kbd_led);
+ led_classdev_unregister(&asus->tpd_led);
+ led_classdev_unregister(&asus->wlan_led);
+ led_classdev_unregister(&asus->lightbar_led);
+
if (asus->led_workqueue)
destroy_workqueue(asus->led_workqueue);
}
@@ -2058,9 +2066,9 @@ static int asus_wmi_get_event_code(u32 value)
static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
{
- int orig_code;
unsigned int key_value = 1;
bool autorelease = 1;
+ int result, orig_code;
orig_code = code;
@@ -2105,6 +2113,17 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
return;
}
+ if (code == NOTIFY_KBD_DOCK_CHANGE) {
+ result = asus_wmi_get_devstate_simple(asus,
+ ASUS_WMI_DEVID_KBD_DOCK);
+ if (result >= 0) {
+ input_report_switch(asus->inputdev, SW_TABLET_MODE,
+ !result);
+ input_sync(asus->inputdev);
+ }
+ return;
+ }
+
if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
fan_boost_mode_switch_next(asus);
return;
diff --git a/drivers/platform/x86/dcdbas.c b/drivers/platform/x86/dcdbas.c
index 84f4cc839cc3..d513a59a5d47 100644
--- a/drivers/platform/x86/dcdbas.c
+++ b/drivers/platform/x86/dcdbas.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/dma-mapping.h>
+#include <linux/dmi.h>
#include <linux/errno.h>
#include <linux/cpu.h>
#include <linux/gfp.h>
@@ -34,7 +35,7 @@
#include "dcdbas.h"
#define DRIVER_NAME "dcdbas"
-#define DRIVER_VERSION "5.6.0-3.3"
+#define DRIVER_VERSION "5.6.0-3.4"
#define DRIVER_DESCRIPTION "Dell Systems Management Base Driver"
static struct platform_device *dcdbas_pdev;
@@ -45,7 +46,7 @@ static unsigned long smi_data_buf_size;
static unsigned long max_smi_data_buf_size = MAX_SMI_DATA_BUF_SIZE;
static u32 smi_data_buf_phys_addr;
static DEFINE_MUTEX(smi_data_lock);
-static u8 *eps_buffer;
+static u8 *bios_buffer;
static unsigned int host_control_action;
static unsigned int host_control_smi_type;
@@ -518,8 +519,10 @@ static inline struct smm_eps_table *check_eps_table(u8 *addr)
static int dcdbas_check_wsmt(void)
{
+ const struct dmi_device *dev = NULL;
struct acpi_table_wsmt *wsmt = NULL;
struct smm_eps_table *eps = NULL;
+ u64 bios_buf_paddr;
u64 remap_size;
u8 *addr;
@@ -532,6 +535,17 @@ static int dcdbas_check_wsmt(void)
!(wsmt->protection_flags & ACPI_WSMT_COMM_BUFFER_NESTED_PTR_PROTECTION))
return 0;
+ /*
+ * BIOS could provide the address/size of the protected buffer
+ * in an SMBIOS string or in an EPS structure in 0xFxxxx.
+ */
+
+ /* Check SMBIOS for buffer address */
+ while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev)))
+ if (sscanf(dev->name, "30[%16llx;%8llx]", &bios_buf_paddr,
+ &remap_size) == 2)
+ goto remap;
+
/* Scan for EPS (entry point structure) */
for (addr = (u8 *)__va(0xf0000);
addr < (u8 *)__va(0x100000 - sizeof(struct smm_eps_table));
@@ -542,34 +556,37 @@ static int dcdbas_check_wsmt(void)
}
if (!eps) {
- dev_dbg(&dcdbas_pdev->dev, "found WSMT, but no EPS found\n");
+ dev_dbg(&dcdbas_pdev->dev, "found WSMT, but no firmware buffer found\n");
return -ENODEV;
}
+ bios_buf_paddr = eps->smm_comm_buff_addr;
+ remap_size = eps->num_of_4k_pages * PAGE_SIZE;
+remap:
/*
* Get physical address of buffer and map to virtual address.
* Table gives size in 4K pages, regardless of actual system page size.
*/
- if (upper_32_bits(eps->smm_comm_buff_addr + 8)) {
- dev_warn(&dcdbas_pdev->dev, "found WSMT, but EPS buffer address is above 4GB\n");
+ if (upper_32_bits(bios_buf_paddr + 8)) {
+ dev_warn(&dcdbas_pdev->dev, "found WSMT, but buffer address is above 4GB\n");
return -EINVAL;
}
/*
* Limit remap size to MAX_SMI_DATA_BUF_SIZE + 8 (since the first 8
* bytes are used for a semaphore, not the data buffer itself).
*/
- remap_size = eps->num_of_4k_pages * PAGE_SIZE;
if (remap_size > MAX_SMI_DATA_BUF_SIZE + 8)
remap_size = MAX_SMI_DATA_BUF_SIZE + 8;
- eps_buffer = memremap(eps->smm_comm_buff_addr, remap_size, MEMREMAP_WB);
- if (!eps_buffer) {
- dev_warn(&dcdbas_pdev->dev, "found WSMT, but failed to map EPS buffer\n");
+
+ bios_buffer = memremap(bios_buf_paddr, remap_size, MEMREMAP_WB);
+ if (!bios_buffer) {
+ dev_warn(&dcdbas_pdev->dev, "found WSMT, but failed to map buffer\n");
return -ENOMEM;
}
/* First 8 bytes is for a semaphore, not part of the smi_data_buf */
- smi_data_buf_phys_addr = eps->smm_comm_buff_addr + 8;
- smi_data_buf = eps_buffer + 8;
+ smi_data_buf_phys_addr = bios_buf_paddr + 8;
+ smi_data_buf = bios_buffer + 8;
smi_data_buf_size = remap_size - 8;
max_smi_data_buf_size = smi_data_buf_size;
wsmt_enabled = true;
@@ -736,8 +753,8 @@ static void __exit dcdbas_exit(void)
*/
if (dcdbas_pdev)
smi_data_buf_free();
- if (eps_buffer)
- memunmap(eps_buffer);
+ if (bios_buffer)
+ memunmap(bios_buffer);
platform_device_unregister(dcdbas_pdev_reg);
platform_driver_unregister(&dcdbas_driver);
}
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index f8d3e3bd1bb5..5e9c2296931c 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -2204,10 +2204,13 @@ static int __init dell_init(void)
dell_laptop_register_notifier(&dell_laptop_notifier);
- micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
- ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
- if (ret < 0)
- goto fail_led;
+ if (dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE) &&
+ dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE)) {
+ micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
+ ret = led_classdev_register(&platform_device->dev, &micmute_led_cdev);
+ if (ret < 0)
+ goto fail_led;
+ }
if (acpi_video_get_backlight_type() != acpi_backlight_vendor)
return 0;
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 86e8dd6a8b33..c25a4286d766 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -310,6 +310,16 @@ static const struct key_entry dell_wmi_keymap_type_0011[] = {
/* Battery inserted */
{ KE_IGNORE, 0xfff1, { KEY_RESERVED } },
+ /*
+ * Detachable keyboard detached / undocked
+ * Note SW_TABLET_MODE is already reported through the intel_vbtn
+ * driver for this, so we ignore it.
+ */
+ { KE_IGNORE, 0xfff2, { KEY_RESERVED } },
+
+ /* Detachable keyboard attached / docked */
+ { KE_IGNORE, 0xfff3, { KEY_RESERVED } },
+
/* Keyboard backlight level changed */
{ KE_IGNORE, KBD_LED_OFF_TOKEN, { KEY_RESERVED } },
{ KE_IGNORE, KBD_LED_ON_TOKEN, { KEY_RESERVED } },
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 776868d5e458..ba08c9235f76 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -541,13 +541,11 @@ static int eeepc_led_init(struct eeepc_laptop *eeepc)
static void eeepc_led_exit(struct eeepc_laptop *eeepc)
{
- if (!IS_ERR_OR_NULL(eeepc->tpd_led.dev))
- led_classdev_unregister(&eeepc->tpd_led);
+ led_classdev_unregister(&eeepc->tpd_led);
if (eeepc->led_workqueue)
destroy_workqueue(eeepc->led_workqueue);
}
-
/*
* PCI hotplug (for wlan rfkill)
*/
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index a881b709af25..1762f335bac9 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -111,10 +111,10 @@ enum hp_wireless2_bits {
HPWMI_POWER_SOFT = 0x02,
HPWMI_POWER_BIOS = 0x04,
HPWMI_POWER_HARD = 0x08,
+ HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD,
};
-#define IS_HWBLOCKED(x) ((x & (HPWMI_POWER_BIOS | HPWMI_POWER_HARD)) \
- != (HPWMI_POWER_BIOS | HPWMI_POWER_HARD))
+#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
#define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT)
struct bios_rfkill2_device_state {
@@ -461,8 +461,14 @@ static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
static ssize_t als_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- u32 tmp = simple_strtoul(buf, NULL, 10);
- int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
+ u32 tmp;
+ int ret;
+
+ ret = kstrtou32(buf, 10, &tmp);
+ if (ret)
+ return ret;
+
+ ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, HPWMI_WRITE, &tmp,
sizeof(tmp), sizeof(tmp));
if (ret)
return ret < 0 ? ret : -EINVAL;
@@ -473,22 +479,20 @@ static ssize_t als_store(struct device *dev, struct device_attribute *attr,
static ssize_t postcode_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
- long unsigned int tmp2;
+ u32 tmp = 1;
+ bool clear;
int ret;
- u32 tmp;
- ret = kstrtoul(buf, 10, &tmp2);
- if (!ret && tmp2 != 1)
- ret = -EINVAL;
+ ret = kstrtobool(buf, &clear);
if (ret)
- goto out;
+ return ret;
+
+ if (clear == false)
+ return -EINVAL;
/* Clear the POST error code. It is kept until until cleared. */
- tmp = (u32) tmp2;
ret = hp_wmi_perform_query(HPWMI_POSTCODEERROR_QUERY, HPWMI_WRITE, &tmp,
sizeof(tmp), sizeof(tmp));
-
-out:
if (ret)
return ret < 0 ? ret : -EINVAL;
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index cc7dd4d87cce..9ee79b74311c 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -79,6 +79,13 @@ static const struct dmi_system_id button_array_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Wacom MobileStudio Pro 16"),
},
},
+ {
+ .ident = "HP Spectre x2 (2015)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x2 Detachable"),
+ },
+ },
{ }
};
diff --git a/drivers/platform/x86/intel-uncore-frequency.c b/drivers/platform/x86/intel-uncore-frequency.c
index b96d172eb2c1..12d5ab7e1f5d 100644
--- a/drivers/platform/x86/intel-uncore-frequency.c
+++ b/drivers/platform/x86/intel-uncore-frequency.c
@@ -53,7 +53,7 @@ static int uncore_max_entries __read_mostly;
/* Storage for uncore data for all instances */
static struct uncore_data *uncore_instances;
/* Root of the all uncore sysfs kobjs */
-struct kobject *uncore_root_kobj;
+static struct kobject *uncore_root_kobj;
/* Stores the CPU mask of the target CPUs to use during uncore read/write */
static cpumask_t uncore_cpu_mask;
/* CPU online callback register instance */
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index b5880936d785..0487b606a274 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -40,28 +40,70 @@ static const struct key_entry intel_vbtn_keymap[] = {
{ KE_IGNORE, 0xC7, { KEY_VOLUMEDOWN } }, /* volume-down key release */
{ KE_KEY, 0xC8, { KEY_ROTATE_LOCK_TOGGLE } }, /* rotate-lock key press */
{ KE_KEY, 0xC9, { KEY_ROTATE_LOCK_TOGGLE } }, /* rotate-lock key release */
+};
+
+static const struct key_entry intel_vbtn_switchmap[] = {
{ KE_SW, 0xCA, { .sw = { SW_DOCK, 1 } } }, /* Docked */
{ KE_SW, 0xCB, { .sw = { SW_DOCK, 0 } } }, /* Undocked */
{ KE_SW, 0xCC, { .sw = { SW_TABLET_MODE, 1 } } }, /* Tablet */
{ KE_SW, 0xCD, { .sw = { SW_TABLET_MODE, 0 } } }, /* Laptop */
- { KE_END },
};
+#define KEYMAP_LEN \
+ (ARRAY_SIZE(intel_vbtn_keymap) + ARRAY_SIZE(intel_vbtn_switchmap) + 1)
+
struct intel_vbtn_priv {
+ struct key_entry keymap[KEYMAP_LEN];
struct input_dev *input_dev;
+ bool has_buttons;
+ bool has_switches;
bool wakeup_mode;
};
+static void detect_tablet_mode(struct platform_device *device)
+{
+ struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
+ acpi_handle handle = ACPI_HANDLE(&device->dev);
+ unsigned long long vgbs;
+ acpi_status status;
+ int m;
+
+ status = acpi_evaluate_integer(handle, "VGBS", NULL, &vgbs);
+ if (ACPI_FAILURE(status))
+ return;
+
+ m = !(vgbs & TABLET_MODE_FLAG);
+ input_report_switch(priv->input_dev, SW_TABLET_MODE, m);
+ m = (vgbs & DOCK_MODE_FLAG) ? 1 : 0;
+ input_report_switch(priv->input_dev, SW_DOCK, m);
+}
+
static int intel_vbtn_input_setup(struct platform_device *device)
{
struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
- int ret;
+ int ret, keymap_len = 0;
+
+ if (priv->has_buttons) {
+ memcpy(&priv->keymap[keymap_len], intel_vbtn_keymap,
+ ARRAY_SIZE(intel_vbtn_keymap) *
+ sizeof(struct key_entry));
+ keymap_len += ARRAY_SIZE(intel_vbtn_keymap);
+ }
+
+ if (priv->has_switches) {
+ memcpy(&priv->keymap[keymap_len], intel_vbtn_switchmap,
+ ARRAY_SIZE(intel_vbtn_switchmap) *
+ sizeof(struct key_entry));
+ keymap_len += ARRAY_SIZE(intel_vbtn_switchmap);
+ }
+
+ priv->keymap[keymap_len].type = KE_END;
priv->input_dev = devm_input_allocate_device(&device->dev);
if (!priv->input_dev)
return -ENOMEM;
- ret = sparse_keymap_setup(priv->input_dev, intel_vbtn_keymap, NULL);
+ ret = sparse_keymap_setup(priv->input_dev, priv->keymap, NULL);
if (ret)
return ret;
@@ -69,6 +111,9 @@ static int intel_vbtn_input_setup(struct platform_device *device)
priv->input_dev->name = "Intel Virtual Button driver";
priv->input_dev->id.bustype = BUS_HOST;
+ if (priv->has_switches)
+ detect_tablet_mode(device);
+
return input_register_device(priv->input_dev);
}
@@ -114,44 +159,46 @@ out_unknown:
dev_dbg(&device->dev, "unknown event index 0x%x\n", event);
}
-static void detect_tablet_mode(struct platform_device *device)
+static bool intel_vbtn_has_buttons(acpi_handle handle)
{
- const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
- struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
- acpi_handle handle = ACPI_HANDLE(&device->dev);
- struct acpi_buffer vgbs_output = { ACPI_ALLOCATE_BUFFER, NULL };
- union acpi_object *obj;
acpi_status status;
- int m;
- if (!(chassis_type && strcmp(chassis_type, "31") == 0))
- goto out;
+ status = acpi_evaluate_object(handle, "VBDL", NULL, NULL);
+ return ACPI_SUCCESS(status);
+}
- status = acpi_evaluate_object(handle, "VGBS", NULL, &vgbs_output);
- if (ACPI_FAILURE(status))
- goto out;
+static bool intel_vbtn_has_switches(acpi_handle handle)
+{
+ const char *chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
+ unsigned long long vgbs;
+ acpi_status status;
- obj = vgbs_output.pointer;
- if (!(obj && obj->type == ACPI_TYPE_INTEGER))
- goto out;
+ /*
+ * Some normal laptops have a VGBS method despite being non-convertible
+ * and their VGBS method always returns 0, causing detect_tablet_mode()
+ * to report SW_TABLET_MODE=1 to userspace, which causes issues.
+ * These laptops have a DMI chassis_type of 9 ("Laptop"), do not report
+ * switches on any devices with a DMI chassis_type of 9.
+ */
+ if (chassis_type && strcmp(chassis_type, "9") == 0)
+ return false;
- m = !(obj->integer.value & TABLET_MODE_FLAG);
- input_report_switch(priv->input_dev, SW_TABLET_MODE, m);
- m = (obj->integer.value & DOCK_MODE_FLAG) ? 1 : 0;
- input_report_switch(priv->input_dev, SW_DOCK, m);
-out:
- kfree(vgbs_output.pointer);
+ status = acpi_evaluate_integer(handle, "VGBS", NULL, &vgbs);
+ return ACPI_SUCCESS(status);
}
static int intel_vbtn_probe(struct platform_device *device)
{
acpi_handle handle = ACPI_HANDLE(&device->dev);
+ bool has_buttons, has_switches;
struct intel_vbtn_priv *priv;
acpi_status status;
int err;
- status = acpi_evaluate_object(handle, "VBDL", NULL, NULL);
- if (ACPI_FAILURE(status)) {
+ has_buttons = intel_vbtn_has_buttons(handle);
+ has_switches = intel_vbtn_has_switches(handle);
+
+ if (!has_buttons && !has_switches) {
dev_warn(&device->dev, "failed to read Intel Virtual Button driver\n");
return -ENODEV;
}
@@ -161,14 +208,15 @@ static int intel_vbtn_probe(struct platform_device *device)
return -ENOMEM;
dev_set_drvdata(&device->dev, priv);
+ priv->has_buttons = has_buttons;
+ priv->has_switches = has_switches;
+
err = intel_vbtn_input_setup(device);
if (err) {
pr_err("Failed to setup Intel Virtual Button\n");
return err;
}
- detect_tablet_mode(device);
-
status = acpi_install_notify_handler(handle,
ACPI_DEVICE_NOTIFY,
notify_handler,
diff --git a/drivers/platform/x86/intel-wmi-sbl-fw-update.c b/drivers/platform/x86/intel-wmi-sbl-fw-update.c
new file mode 100644
index 000000000000..ea87fa0786e8
--- /dev/null
+++ b/drivers/platform/x86/intel-wmi-sbl-fw-update.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Slim Bootloader(SBL) firmware update signaling driver
+ *
+ * Slim Bootloader is a small, open-source, non UEFI compliant, boot firmware
+ * optimized for running on certain Intel platforms.
+ *
+ * SBL exposes an ACPI-WMI device via /sys/bus/wmi/devices/<INTEL_WMI_SBL_GUID>.
+ * This driver further adds "firmware_update_request" device attribute.
+ * This attribute normally has a value of 0 and userspace can signal SBL
+ * to update firmware, on next reboot, by writing a value of 1.
+ *
+ * More details of SBL firmware update process is available at:
+ * https://slimbootloader.github.io/security/firmware-update.html
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/wmi.h>
+
+#define INTEL_WMI_SBL_GUID "44FADEB1-B204-40F2-8581-394BBDC1B651"
+
+static int get_fwu_request(struct device *dev, u32 *out)
+{
+ struct acpi_buffer result = {ACPI_ALLOCATE_BUFFER, NULL};
+ union acpi_object *obj;
+ acpi_status status;
+
+ status = wmi_query_block(INTEL_WMI_SBL_GUID, 0, &result);
+ if (ACPI_FAILURE(status)) {
+ dev_err(dev, "wmi_query_block failed\n");
+ return -ENODEV;
+ }
+
+ obj = (union acpi_object *)result.pointer;
+ if (!obj || obj->type != ACPI_TYPE_INTEGER) {
+ dev_warn(dev, "wmi_query_block returned invalid value\n");
+ kfree(obj);
+ return -EINVAL;
+ }
+
+ *out = obj->integer.value;
+ kfree(obj);
+
+ return 0;
+}
+
+static int set_fwu_request(struct device *dev, u32 in)
+{
+ struct acpi_buffer input;
+ acpi_status status;
+ u32 value;
+
+ value = in;
+ input.length = sizeof(u32);
+ input.pointer = &value;
+
+ status = wmi_set_block(INTEL_WMI_SBL_GUID, 0, &input);
+ if (ACPI_FAILURE(status)) {
+ dev_err(dev, "wmi_set_block failed\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static ssize_t firmware_update_request_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ u32 val;
+ int ret;
+
+ ret = get_fwu_request(dev, &val);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%d\n", val);
+}
+
+static ssize_t firmware_update_request_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ unsigned int val;
+ int ret;
+
+ ret = kstrtouint(buf, 0, &val);
+ if (ret)
+ return ret;
+
+ /* May later be extended to support values other than 0 and 1 */
+ if (val > 1)
+ return -ERANGE;
+
+ ret = set_fwu_request(dev, val);
+ if (ret)
+ return ret;
+
+ return count;
+}
+static DEVICE_ATTR_RW(firmware_update_request);
+
+static struct attribute *firmware_update_attrs[] = {
+ &dev_attr_firmware_update_request.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(firmware_update);
+
+static int intel_wmi_sbl_fw_update_probe(struct wmi_device *wdev,
+ const void *context)
+{
+ dev_info(&wdev->dev, "Slim Bootloader signaling driver attached\n");
+ return 0;
+}
+
+static int intel_wmi_sbl_fw_update_remove(struct wmi_device *wdev)
+{
+ dev_info(&wdev->dev, "Slim Bootloader signaling driver removed\n");
+ return 0;
+}
+
+static const struct wmi_device_id intel_wmi_sbl_id_table[] = {
+ { .guid_string = INTEL_WMI_SBL_GUID },
+ {}
+};
+MODULE_DEVICE_TABLE(wmi, intel_wmi_sbl_id_table);
+
+static struct wmi_driver intel_wmi_sbl_fw_update_driver = {
+ .driver = {
+ .name = "intel-wmi-sbl-fw-update",
+ .dev_groups = firmware_update_groups,
+ },
+ .probe = intel_wmi_sbl_fw_update_probe,
+ .remove = intel_wmi_sbl_fw_update_remove,
+ .id_table = intel_wmi_sbl_id_table,
+};
+module_wmi_driver(intel_wmi_sbl_fw_update_driver);
+
+MODULE_AUTHOR("Jithu Joseph <jithu.joseph@intel.com>");
+MODULE_DESCRIPTION("Slim Bootloader firmware update signaling driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/intel_cht_int33fe_typec.c b/drivers/platform/x86/intel_cht_int33fe_typec.c
index 04138215956b..48638d1c56e5 100644
--- a/drivers/platform/x86/intel_cht_int33fe_typec.c
+++ b/drivers/platform/x86/intel_cht_int33fe_typec.c
@@ -6,14 +6,14 @@
*
* Some Intel Cherry Trail based device which ship with Windows 10, have
* this weird INT33FE ACPI device with a CRS table with 4 I2cSerialBusV2
- * resources, for 4 different chips attached to various i2c busses:
- * 1. The Whiskey Cove pmic, which is also described by the INT34D3 ACPI device
+ * resources, for 4 different chips attached to various I²C buses:
+ * 1. The Whiskey Cove PMIC, which is also described by the INT34D3 ACPI device
* 2. Maxim MAX17047 Fuel Gauge Controller
* 3. FUSB302 USB Type-C Controller
* 4. PI3USB30532 USB switch
*
* So this driver is a stub / pseudo driver whose only purpose is to
- * instantiate i2c-clients for chips 2 - 4, so that standard i2c drivers
+ * instantiate I²C clients for chips 2 - 4, so that standard I²C drivers
* for these chips can bind to the them.
*/
@@ -21,43 +21,32 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/usb/pd.h>
#include "intel_cht_int33fe_common.h"
-enum {
- INT33FE_NODE_FUSB302,
- INT33FE_NODE_MAX17047,
- INT33FE_NODE_PI3USB30532,
- INT33FE_NODE_DISPLAYPORT,
- INT33FE_NODE_USB_CONNECTOR,
- INT33FE_NODE_MAX,
-};
-
/*
- * Grrr I severly dislike buggy BIOS-es. At least one BIOS enumerates
+ * Grrr, I severely dislike buggy BIOS-es. At least one BIOS enumerates
* the max17047 both through the INT33FE ACPI device (it is right there
* in the resources table) as well as through a separate MAX17047 device.
*
- * These helpers are used to work around this by checking if an i2c-client
+ * These helpers are used to work around this by checking if an I²C client
* for the max17047 has already been registered.
*/
static int cht_int33fe_check_for_max17047(struct device *dev, void *data)
{
struct i2c_client **max17047 = data;
struct acpi_device *adev;
- const char *hid;
adev = ACPI_COMPANION(dev);
if (!adev)
return 0;
- hid = acpi_device_hid(adev);
-
/* The MAX17047 ACPI node doesn't have an UID, so we don't check that */
- if (strcmp(hid, "MAX17047"))
+ if (!acpi_dev_hid_uid_match(adev, "MAX17047", NULL))
return 0;
*max17047 = to_i2c_client(dev);
@@ -66,11 +55,16 @@ static int cht_int33fe_check_for_max17047(struct device *dev, void *data)
static const char * const max17047_suppliers[] = { "bq24190-charger" };
-static const struct property_entry max17047_props[] = {
+static const struct property_entry max17047_properties[] = {
PROPERTY_ENTRY_STRING_ARRAY("supplied-from", max17047_suppliers),
{ }
};
+static const struct software_node max17047_node = {
+ .name = "max17047",
+ .properties = max17047_properties,
+};
+
/*
* We are not using inline property here because those are constant,
* and we need to adjust this one at runtime to point to real
@@ -80,12 +74,17 @@ static struct software_node_ref_args fusb302_mux_refs[] = {
{ .node = NULL },
};
-static const struct property_entry fusb302_props[] = {
+static const struct property_entry fusb302_properties[] = {
PROPERTY_ENTRY_STRING("linux,extcon-name", "cht_wcove_pwrsrc"),
PROPERTY_ENTRY_REF_ARRAY("usb-role-switch", fusb302_mux_refs),
{ }
};
+static const struct software_node fusb302_node = {
+ .name = "fusb302",
+ .properties = fusb302_properties,
+};
+
#define PDO_FIXED_FLAGS \
(PDO_FIXED_DUAL_ROLE | PDO_FIXED_DATA_SWAP | PDO_FIXED_USB_COMM)
@@ -98,31 +97,40 @@ static const u32 snk_pdo[] = {
PDO_VAR(5000, 12000, 3000),
};
-static const struct software_node nodes[];
+static const struct software_node pi3usb30532_node = {
+ .name = "pi3usb30532",
+};
+
+static const struct software_node displayport_node = {
+ .name = "displayport",
+};
-static const struct property_entry usb_connector_props[] = {
+static const struct property_entry usb_connector_properties[] = {
PROPERTY_ENTRY_STRING("data-role", "dual"),
PROPERTY_ENTRY_STRING("power-role", "dual"),
PROPERTY_ENTRY_STRING("try-power-role", "sink"),
PROPERTY_ENTRY_U32_ARRAY("source-pdos", src_pdo),
PROPERTY_ENTRY_U32_ARRAY("sink-pdos", snk_pdo),
PROPERTY_ENTRY_U32("op-sink-microwatt", 2500000),
- PROPERTY_ENTRY_REF("orientation-switch",
- &nodes[INT33FE_NODE_PI3USB30532]),
- PROPERTY_ENTRY_REF("mode-switch",
- &nodes[INT33FE_NODE_PI3USB30532]),
- PROPERTY_ENTRY_REF("displayport",
- &nodes[INT33FE_NODE_DISPLAYPORT]),
+ PROPERTY_ENTRY_REF("orientation-switch", &pi3usb30532_node),
+ PROPERTY_ENTRY_REF("mode-switch", &pi3usb30532_node),
+ PROPERTY_ENTRY_REF("displayport", &displayport_node),
{ }
};
-static const struct software_node nodes[] = {
- { "fusb302", NULL, fusb302_props },
- { "max17047", NULL, max17047_props },
- { "pi3usb30532" },
- { "displayport" },
- { "connector", &nodes[0], usb_connector_props },
- { }
+static const struct software_node usb_connector_node = {
+ .name = "connector",
+ .parent = &fusb302_node,
+ .properties = usb_connector_properties,
+};
+
+static const struct software_node *node_group[] = {
+ &fusb302_node,
+ &max17047_node,
+ &pi3usb30532_node,
+ &displayport_node,
+ &usb_connector_node,
+ NULL
};
static int cht_int33fe_setup_dp(struct cht_int33fe_data *data)
@@ -130,7 +138,7 @@ static int cht_int33fe_setup_dp(struct cht_int33fe_data *data)
struct fwnode_handle *fwnode;
struct pci_dev *pdev;
- fwnode = software_node_fwnode(&nodes[INT33FE_NODE_DISPLAYPORT]);
+ fwnode = software_node_fwnode(&displayport_node);
if (!fwnode)
return -ENODEV;
@@ -155,11 +163,10 @@ static int cht_int33fe_setup_dp(struct cht_int33fe_data *data)
static void cht_int33fe_remove_nodes(struct cht_int33fe_data *data)
{
- software_node_unregister_nodes(nodes);
+ software_node_unregister_node_group(node_group);
if (fusb302_mux_refs[0].node) {
- fwnode_handle_put(
- software_node_fwnode(fusb302_mux_refs[0].node));
+ fwnode_handle_put(software_node_fwnode(fusb302_mux_refs[0].node));
fusb302_mux_refs[0].node = NULL;
}
@@ -192,7 +199,7 @@ static int cht_int33fe_add_nodes(struct cht_int33fe_data *data)
*/
fusb302_mux_refs[0].node = mux_ref_node;
- ret = software_node_register_nodes(nodes);
+ ret = software_node_register_node_group(node_group);
if (ret)
return ret;
@@ -222,16 +229,15 @@ cht_int33fe_register_max17047(struct device *dev, struct cht_int33fe_data *data)
struct fwnode_handle *fwnode;
int ret;
- fwnode = software_node_fwnode(&nodes[INT33FE_NODE_MAX17047]);
+ fwnode = software_node_fwnode(&max17047_node);
if (!fwnode)
return -ENODEV;
i2c_for_each_dev(&max17047, cht_int33fe_check_for_max17047);
if (max17047) {
- /* Pre-existing i2c-client for the max17047, add device-props */
- fwnode->secondary = ERR_PTR(-ENODEV);
- max17047->dev.fwnode->secondary = fwnode;
- /* And re-probe to get the new device-props applied. */
+ /* Pre-existing I²C client for the max17047, add device properties */
+ set_secondary_fwnode(&max17047->dev, fwnode);
+ /* And re-probe to get the new device properties applied */
ret = device_reprobe(&max17047->dev);
if (ret)
dev_warn(dev, "Reprobing max17047 error: %d\n", ret);
@@ -266,7 +272,7 @@ int cht_int33fe_typec_probe(struct cht_int33fe_data *data)
* must be registered before the fusb302 is instantiated, otherwise
* it will end up with a dummy-regulator.
* Note "cht_wc_usb_typec_vbus" comes from the regulator_init_data
- * which is defined in i2c-cht-wc.c from where the bq24292i i2c-client
+ * which is defined in i2c-cht-wc.c from where the bq24292i I²C client
* gets instantiated. We use regulator_get_optional here so that we
* don't end up getting a dummy-regulator ourselves.
*/
@@ -277,7 +283,7 @@ int cht_int33fe_typec_probe(struct cht_int33fe_data *data)
}
regulator_put(regulator);
- /* The FUSB302 uses the irq at index 1 and is the only irq user */
+ /* The FUSB302 uses the IRQ at index 1 and is the only IRQ user */
fusb302_irq = acpi_dev_gpio_irq_get(ACPI_COMPANION(dev), 1);
if (fusb302_irq < 0) {
if (fusb302_irq != -EPROBE_DEFER)
@@ -289,12 +295,12 @@ int cht_int33fe_typec_probe(struct cht_int33fe_data *data)
if (ret)
return ret;
- /* Work around BIOS bug, see comment on cht_int33fe_check_for_max17047 */
+ /* Work around BIOS bug, see comment on cht_int33fe_check_for_max17047() */
ret = cht_int33fe_register_max17047(dev, data);
if (ret)
goto out_remove_nodes;
- fwnode = software_node_fwnode(&nodes[INT33FE_NODE_FUSB302]);
+ fwnode = software_node_fwnode(&fusb302_node);
if (!fwnode) {
ret = -ENODEV;
goto out_unregister_max17047;
@@ -312,7 +318,7 @@ int cht_int33fe_typec_probe(struct cht_int33fe_data *data)
goto out_unregister_max17047;
}
- fwnode = software_node_fwnode(&nodes[INT33FE_NODE_PI3USB30532]);
+ fwnode = software_node_fwnode(&pi3usb30532_node);
if (!fwnode) {
ret = -ENODEV;
goto out_unregister_fusb302;
diff --git a/drivers/platform/x86/intel_mid_powerbtn.c b/drivers/platform/x86/intel_mid_powerbtn.c
index 9c9f209c8a33..df434abbb66f 100644
--- a/drivers/platform/x86/intel_mid_powerbtn.c
+++ b/drivers/platform/x86/intel_mid_powerbtn.c
@@ -46,6 +46,7 @@ struct mid_pb_ddata {
unsigned short mirqlvl1_addr;
unsigned short pbstat_addr;
u8 pbstat_mask;
+ struct intel_scu_ipc_dev *scu;
int (*setup)(struct mid_pb_ddata *ddata);
};
@@ -55,7 +56,8 @@ static int mid_pbstat(struct mid_pb_ddata *ddata, int *value)
int ret;
u8 pbstat;
- ret = intel_scu_ipc_ioread8(ddata->pbstat_addr, &pbstat);
+ ret = intel_scu_ipc_dev_ioread8(ddata->scu, ddata->pbstat_addr,
+ &pbstat);
if (ret)
return ret;
@@ -67,14 +69,15 @@ static int mid_pbstat(struct mid_pb_ddata *ddata, int *value)
static int mid_irq_ack(struct mid_pb_ddata *ddata)
{
- return intel_scu_ipc_update_register(ddata->mirqlvl1_addr, 0, MSIC_PWRBTNM);
+ return intel_scu_ipc_dev_update(ddata->scu, ddata->mirqlvl1_addr, 0,
+ MSIC_PWRBTNM);
}
static int mrfld_setup(struct mid_pb_ddata *ddata)
{
/* Unmask the PBIRQ and MPBIRQ on Tangier */
- intel_scu_ipc_update_register(BCOVE_PBIRQ, 0, MSIC_PWRBTNM);
- intel_scu_ipc_update_register(BCOVE_PBIRQMASK, 0, MSIC_PWRBTNM);
+ intel_scu_ipc_dev_update(ddata->scu, BCOVE_PBIRQ, 0, MSIC_PWRBTNM);
+ intel_scu_ipc_dev_update(ddata->scu, BCOVE_PBIRQMASK, 0, MSIC_PWRBTNM);
return 0;
}
@@ -161,6 +164,10 @@ static int mid_pb_probe(struct platform_device *pdev)
return error;
}
+ ddata->scu = devm_intel_scu_ipc_dev_get(&pdev->dev);
+ if (!ddata->scu)
+ return -EPROBE_DEFER;
+
error = devm_request_threaded_irq(&pdev->dev, irq, NULL, mid_pb_isr,
IRQF_ONESHOT, DRIVER_NAME, ddata);
if (error) {
diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
index d2a5d4c36715..7c8bdab078cf 100644
--- a/drivers/platform/x86/intel_pmc_core.c
+++ b/drivers/platform/x86/intel_pmc_core.c
@@ -255,7 +255,7 @@ static const struct pmc_bit_map *ext_cnp_pfear_map[] = {
};
static const struct pmc_bit_map icl_pfear_map[] = {
- /* Ice Lake generation onwards only */
+ /* Ice Lake and Jasper Lake generation onwards only */
{"RES_65", BIT(0)},
{"RES_66", BIT(1)},
{"RES_67", BIT(2)},
@@ -274,7 +274,7 @@ static const struct pmc_bit_map *ext_icl_pfear_map[] = {
};
static const struct pmc_bit_map tgl_pfear_map[] = {
- /* Tiger Lake, Elkhart Lake and Jasper Lake generation onwards only */
+ /* Tiger Lake and Elkhart Lake generation onwards only */
{"PSF9", BIT(0)},
{"RES_66", BIT(1)},
{"RES_67", BIT(2)},
@@ -692,7 +692,6 @@ static void pmc_core_lpm_display(struct pmc_dev *pmcdev, struct device *dev,
kfree(lpm_regs);
}
-#if IS_ENABLED(CONFIG_DEBUG_FS)
static bool slps0_dbg_latch;
static inline u8 pmc_core_reg_read_byte(struct pmc_dev *pmcdev, int offset)
@@ -1133,15 +1132,6 @@ static void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
&pmc_core_substate_l_sts_regs_fops);
}
}
-#else
-static inline void pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
-{
-}
-
-static inline void pmc_core_dbgfs_unregister(struct pmc_dev *pmcdev)
-{
-}
-#endif /* CONFIG_DEBUG_FS */
static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_INTEL_FAM6_MODEL(SKYLAKE_L, &spt_reg_map),
@@ -1156,7 +1146,7 @@ static const struct x86_cpu_id intel_pmc_core_ids[] = {
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &tgl_reg_map),
X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &tgl_reg_map),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, &tgl_reg_map),
- X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &tgl_reg_map),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &icl_reg_map),
{}
};
@@ -1260,13 +1250,11 @@ static int pmc_core_remove(struct platform_device *pdev)
return 0;
}
-#ifdef CONFIG_PM_SLEEP
-
static bool warn_on_s0ix_failures;
module_param(warn_on_s0ix_failures, bool, 0644);
MODULE_PARM_DESC(warn_on_s0ix_failures, "Check and warn for S0ix failures");
-static int pmc_core_suspend(struct device *dev)
+static __maybe_unused int pmc_core_suspend(struct device *dev)
{
struct pmc_dev *pmcdev = dev_get_drvdata(dev);
@@ -1318,7 +1306,7 @@ static inline bool pmc_core_is_s0ix_failed(struct pmc_dev *pmcdev)
return false;
}
-static int pmc_core_resume(struct device *dev)
+static __maybe_unused int pmc_core_resume(struct device *dev)
{
struct pmc_dev *pmcdev = dev_get_drvdata(dev);
const struct pmc_bit_map **maps = pmcdev->map->lpm_sts;
@@ -1348,8 +1336,6 @@ static int pmc_core_resume(struct device *dev)
return 0;
}
-#endif
-
static const struct dev_pm_ops pmc_core_pm_ops = {
SET_LATE_SYSTEM_SLEEP_PM_OPS(pmc_core_suspend, pmc_core_resume)
};
diff --git a/drivers/platform/x86/intel_pmc_core.h b/drivers/platform/x86/intel_pmc_core.h
index 0d50b2402abe..5eae55d80226 100644
--- a/drivers/platform/x86/intel_pmc_core.h
+++ b/drivers/platform/x86/intel_pmc_core.h
@@ -282,9 +282,7 @@ struct pmc_dev {
u32 base_addr;
void __iomem *regbase;
const struct pmc_reg_map *map;
-#if IS_ENABLED(CONFIG_DEBUG_FS)
struct dentry *dbgfs_dir;
-#endif /* CONFIG_DEBUG_FS */
int pmc_xram_read_bit;
struct mutex lock; /* generic mutex lock for PMC Core */
diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c
deleted file mode 100644
index 2433bf73f1ed..000000000000
--- a/drivers/platform/x86/intel_pmc_ipc.c
+++ /dev/null
@@ -1,949 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Driver for the Intel PMC IPC mechanism
- *
- * (C) Copyright 2014-2015 Intel Corporation
- *
- * This driver is based on Intel SCU IPC driver(intel_scu_ipc.c) by
- * Sreedhara DS <sreedhara.ds@intel.com>
- *
- * PMC running in ARC processor communicates with other entity running in IA
- * core through IPC mechanism which in turn messaging between IA core ad PMC.
- */
-
-#include <linux/acpi.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/io-64-nonatomic-lo-hi.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-
-#include <asm/intel_pmc_ipc.h>
-
-#include <linux/platform_data/itco_wdt.h>
-
-/*
- * IPC registers
- * The IA write to IPC_CMD command register triggers an interrupt to the ARC,
- * The ARC handles the interrupt and services it, writing optional data to
- * the IPC1 registers, updates the IPC_STS response register with the status.
- */
-#define IPC_CMD 0x00
-#define IPC_CMD_MSI BIT(8)
-#define IPC_CMD_SIZE 16
-#define IPC_CMD_SUBCMD 12
-#define IPC_STATUS 0x04
-#define IPC_STATUS_IRQ BIT(2)
-#define IPC_STATUS_ERR BIT(1)
-#define IPC_STATUS_BUSY BIT(0)
-#define IPC_SPTR 0x08
-#define IPC_DPTR 0x0C
-#define IPC_WRITE_BUFFER 0x80
-#define IPC_READ_BUFFER 0x90
-
-/* Residency with clock rate at 19.2MHz to usecs */
-#define S0IX_RESIDENCY_IN_USECS(d, s) \
-({ \
- u64 result = 10ull * ((d) + (s)); \
- do_div(result, 192); \
- result; \
-})
-
-/*
- * 16-byte buffer for sending data associated with IPC command.
- */
-#define IPC_DATA_BUFFER_SIZE 16
-
-#define IPC_LOOP_CNT 3000000
-#define IPC_MAX_SEC 3
-
-#define IPC_TRIGGER_MODE_IRQ true
-
-/* exported resources from IFWI */
-#define PLAT_RESOURCE_IPC_INDEX 0
-#define PLAT_RESOURCE_IPC_SIZE 0x1000
-#define PLAT_RESOURCE_GCR_OFFSET 0x1000
-#define PLAT_RESOURCE_GCR_SIZE 0x1000
-#define PLAT_RESOURCE_BIOS_DATA_INDEX 1
-#define PLAT_RESOURCE_BIOS_IFACE_INDEX 2
-#define PLAT_RESOURCE_TELEM_SSRAM_INDEX 3
-#define PLAT_RESOURCE_ISP_DATA_INDEX 4
-#define PLAT_RESOURCE_ISP_IFACE_INDEX 5
-#define PLAT_RESOURCE_GTD_DATA_INDEX 6
-#define PLAT_RESOURCE_GTD_IFACE_INDEX 7
-#define PLAT_RESOURCE_ACPI_IO_INDEX 0
-
-/*
- * BIOS does not create an ACPI device for each PMC function,
- * but exports multiple resources from one ACPI device(IPC) for
- * multiple functions. This driver is responsible to create a
- * platform device and to export resources for those functions.
- */
-#define TCO_DEVICE_NAME "iTCO_wdt"
-#define SMI_EN_OFFSET 0x40
-#define SMI_EN_SIZE 4
-#define TCO_BASE_OFFSET 0x60
-#define TCO_REGS_SIZE 16
-#define PUNIT_DEVICE_NAME "intel_punit_ipc"
-#define TELEMETRY_DEVICE_NAME "intel_telemetry"
-#define TELEM_SSRAM_SIZE 240
-#define TELEM_PMC_SSRAM_OFFSET 0x1B00
-#define TELEM_PUNIT_SSRAM_OFFSET 0x1A00
-#define TCO_PMC_OFFSET 0x08
-#define TCO_PMC_SIZE 0x04
-
-/* PMC register bit definitions */
-
-/* PMC_CFG_REG bit masks */
-#define PMC_CFG_NO_REBOOT_MASK BIT_MASK(4)
-#define PMC_CFG_NO_REBOOT_EN (1 << 4)
-#define PMC_CFG_NO_REBOOT_DIS (0 << 4)
-
-static struct intel_pmc_ipc_dev {
- struct device *dev;
- void __iomem *ipc_base;
- bool irq_mode;
- int irq;
- int cmd;
- struct completion cmd_complete;
-
- /* The following PMC BARs share the same ACPI device with the IPC */
- resource_size_t acpi_io_base;
- int acpi_io_size;
- struct platform_device *tco_dev;
-
- /* gcr */
- void __iomem *gcr_mem_base;
- bool has_gcr_regs;
- spinlock_t gcr_lock;
-
- /* punit */
- struct platform_device *punit_dev;
- unsigned int punit_res_count;
-
- /* Telemetry */
- resource_size_t telem_pmc_ssram_base;
- resource_size_t telem_punit_ssram_base;
- int telem_pmc_ssram_size;
- int telem_punit_ssram_size;
- u8 telem_res_inval;
- struct platform_device *telemetry_dev;
-} ipcdev;
-
-static char *ipc_err_sources[] = {
- [IPC_ERR_NONE] =
- "no error",
- [IPC_ERR_CMD_NOT_SUPPORTED] =
- "command not supported",
- [IPC_ERR_CMD_NOT_SERVICED] =
- "command not serviced",
- [IPC_ERR_UNABLE_TO_SERVICE] =
- "unable to service",
- [IPC_ERR_CMD_INVALID] =
- "command invalid",
- [IPC_ERR_CMD_FAILED] =
- "command failed",
- [IPC_ERR_EMSECURITY] =
- "Invalid Battery",
- [IPC_ERR_UNSIGNEDKERNEL] =
- "Unsigned kernel",
-};
-
-/* Prevent concurrent calls to the PMC */
-static DEFINE_MUTEX(ipclock);
-
-static inline void ipc_send_command(u32 cmd)
-{
- ipcdev.cmd = cmd;
- if (ipcdev.irq_mode) {
- reinit_completion(&ipcdev.cmd_complete);
- cmd |= IPC_CMD_MSI;
- }
- writel(cmd, ipcdev.ipc_base + IPC_CMD);
-}
-
-static inline u32 ipc_read_status(void)
-{
- return readl(ipcdev.ipc_base + IPC_STATUS);
-}
-
-static inline void ipc_data_writel(u32 data, u32 offset)
-{
- writel(data, ipcdev.ipc_base + IPC_WRITE_BUFFER + offset);
-}
-
-static inline u32 ipc_data_readl(u32 offset)
-{
- return readl(ipcdev.ipc_base + IPC_READ_BUFFER + offset);
-}
-
-static inline u64 gcr_data_readq(u32 offset)
-{
- return readq(ipcdev.gcr_mem_base + offset);
-}
-
-static inline int is_gcr_valid(u32 offset)
-{
- if (!ipcdev.has_gcr_regs)
- return -EACCES;
-
- if (offset > PLAT_RESOURCE_GCR_SIZE)
- return -EINVAL;
-
- return 0;
-}
-
-/**
- * intel_pmc_gcr_read64() - Read a 64-bit PMC GCR register
- * @offset: offset of GCR register from GCR address base
- * @data: data pointer for storing the register output
- *
- * Reads the 64-bit PMC GCR register at given offset.
- *
- * Return: negative value on error or 0 on success.
- */
-int intel_pmc_gcr_read64(u32 offset, u64 *data)
-{
- int ret;
-
- spin_lock(&ipcdev.gcr_lock);
-
- ret = is_gcr_valid(offset);
- if (ret < 0) {
- spin_unlock(&ipcdev.gcr_lock);
- return ret;
- }
-
- *data = readq(ipcdev.gcr_mem_base + offset);
-
- spin_unlock(&ipcdev.gcr_lock);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(intel_pmc_gcr_read64);
-
-/**
- * intel_pmc_gcr_update() - Update PMC GCR register bits
- * @offset: offset of GCR register from GCR address base
- * @mask: bit mask for update operation
- * @val: update value
- *
- * Updates the bits of given GCR register as specified by
- * @mask and @val.
- *
- * Return: negative value on error or 0 on success.
- */
-static int intel_pmc_gcr_update(u32 offset, u32 mask, u32 val)
-{
- u32 new_val;
- int ret = 0;
-
- spin_lock(&ipcdev.gcr_lock);
-
- ret = is_gcr_valid(offset);
- if (ret < 0)
- goto gcr_ipc_unlock;
-
- new_val = readl(ipcdev.gcr_mem_base + offset);
-
- new_val &= ~mask;
- new_val |= val & mask;
-
- writel(new_val, ipcdev.gcr_mem_base + offset);
-
- new_val = readl(ipcdev.gcr_mem_base + offset);
-
- /* check whether the bit update is successful */
- if ((new_val & mask) != (val & mask)) {
- ret = -EIO;
- goto gcr_ipc_unlock;
- }
-
-gcr_ipc_unlock:
- spin_unlock(&ipcdev.gcr_lock);
- return ret;
-}
-
-static int update_no_reboot_bit(void *priv, bool set)
-{
- u32 value = set ? PMC_CFG_NO_REBOOT_EN : PMC_CFG_NO_REBOOT_DIS;
-
- return intel_pmc_gcr_update(PMC_GCR_PMC_CFG_REG,
- PMC_CFG_NO_REBOOT_MASK, value);
-}
-
-static int intel_pmc_ipc_check_status(void)
-{
- int status;
- int ret = 0;
-
- if (ipcdev.irq_mode) {
- if (0 == wait_for_completion_timeout(
- &ipcdev.cmd_complete, IPC_MAX_SEC * HZ))
- ret = -ETIMEDOUT;
- } else {
- int loop_count = IPC_LOOP_CNT;
-
- while ((ipc_read_status() & IPC_STATUS_BUSY) && --loop_count)
- udelay(1);
- if (loop_count == 0)
- ret = -ETIMEDOUT;
- }
-
- status = ipc_read_status();
- if (ret == -ETIMEDOUT) {
- dev_err(ipcdev.dev,
- "IPC timed out, TS=0x%x, CMD=0x%x\n",
- status, ipcdev.cmd);
- return ret;
- }
-
- if (status & IPC_STATUS_ERR) {
- int i;
-
- ret = -EIO;
- i = (status >> IPC_CMD_SIZE) & 0xFF;
- if (i < ARRAY_SIZE(ipc_err_sources))
- dev_err(ipcdev.dev,
- "IPC failed: %s, STS=0x%x, CMD=0x%x\n",
- ipc_err_sources[i], status, ipcdev.cmd);
- else
- dev_err(ipcdev.dev,
- "IPC failed: unknown, STS=0x%x, CMD=0x%x\n",
- status, ipcdev.cmd);
- if ((i == IPC_ERR_UNSIGNEDKERNEL) || (i == IPC_ERR_EMSECURITY))
- ret = -EACCES;
- }
-
- return ret;
-}
-
-/**
- * intel_pmc_ipc_simple_command() - Simple IPC command
- * @cmd: IPC command code.
- * @sub: IPC command sub type.
- *
- * Send a simple IPC command to PMC when don't need to specify
- * input/output data and source/dest pointers.
- *
- * Return: an IPC error code or 0 on success.
- */
-static int intel_pmc_ipc_simple_command(int cmd, int sub)
-{
- int ret;
-
- mutex_lock(&ipclock);
- if (ipcdev.dev == NULL) {
- mutex_unlock(&ipclock);
- return -ENODEV;
- }
- ipc_send_command(sub << IPC_CMD_SUBCMD | cmd);
- ret = intel_pmc_ipc_check_status();
- mutex_unlock(&ipclock);
-
- return ret;
-}
-
-/**
- * intel_pmc_ipc_raw_cmd() - IPC command with data and pointers
- * @cmd: IPC command code.
- * @sub: IPC command sub type.
- * @in: input data of this IPC command.
- * @inlen: input data length in bytes.
- * @out: output data of this IPC command.
- * @outlen: output data length in dwords.
- * @sptr: data writing to SPTR register.
- * @dptr: data writing to DPTR register.
- *
- * Send an IPC command to PMC with input/output data and source/dest pointers.
- *
- * Return: an IPC error code or 0 on success.
- */
-static int intel_pmc_ipc_raw_cmd(u32 cmd, u32 sub, u8 *in, u32 inlen, u32 *out,
- u32 outlen, u32 dptr, u32 sptr)
-{
- u32 wbuf[4] = { 0 };
- int ret;
- int i;
-
- if (inlen > IPC_DATA_BUFFER_SIZE || outlen > IPC_DATA_BUFFER_SIZE / 4)
- return -EINVAL;
-
- mutex_lock(&ipclock);
- if (ipcdev.dev == NULL) {
- mutex_unlock(&ipclock);
- return -ENODEV;
- }
- memcpy(wbuf, in, inlen);
- writel(dptr, ipcdev.ipc_base + IPC_DPTR);
- writel(sptr, ipcdev.ipc_base + IPC_SPTR);
- /* The input data register is 32bit register and inlen is in Byte */
- for (i = 0; i < ((inlen + 3) / 4); i++)
- ipc_data_writel(wbuf[i], 4 * i);
- ipc_send_command((inlen << IPC_CMD_SIZE) |
- (sub << IPC_CMD_SUBCMD) | cmd);
- ret = intel_pmc_ipc_check_status();
- if (!ret) {
- /* out is read from 32bit register and outlen is in 32bit */
- for (i = 0; i < outlen; i++)
- *out++ = ipc_data_readl(4 * i);
- }
- mutex_unlock(&ipclock);
-
- return ret;
-}
-
-/**
- * intel_pmc_ipc_command() - IPC command with input/output data
- * @cmd: IPC command code.
- * @sub: IPC command sub type.
- * @in: input data of this IPC command.
- * @inlen: input data length in bytes.
- * @out: output data of this IPC command.
- * @outlen: output data length in dwords.
- *
- * Send an IPC command to PMC with input/output data.
- *
- * Return: an IPC error code or 0 on success.
- */
-int intel_pmc_ipc_command(u32 cmd, u32 sub, u8 *in, u32 inlen,
- u32 *out, u32 outlen)
-{
- return intel_pmc_ipc_raw_cmd(cmd, sub, in, inlen, out, outlen, 0, 0);
-}
-EXPORT_SYMBOL_GPL(intel_pmc_ipc_command);
-
-static irqreturn_t ioc(int irq, void *dev_id)
-{
- int status;
-
- if (ipcdev.irq_mode) {
- status = ipc_read_status();
- writel(status | IPC_STATUS_IRQ, ipcdev.ipc_base + IPC_STATUS);
- }
- complete(&ipcdev.cmd_complete);
-
- return IRQ_HANDLED;
-}
-
-static int ipc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
-{
- struct intel_pmc_ipc_dev *pmc = &ipcdev;
- int ret;
-
- /* Only one PMC is supported */
- if (pmc->dev)
- return -EBUSY;
-
- pmc->irq_mode = IPC_TRIGGER_MODE_IRQ;
-
- spin_lock_init(&ipcdev.gcr_lock);
-
- ret = pcim_enable_device(pdev);
- if (ret)
- return ret;
-
- ret = pcim_iomap_regions(pdev, 1 << 0, pci_name(pdev));
- if (ret)
- return ret;
-
- init_completion(&pmc->cmd_complete);
-
- pmc->ipc_base = pcim_iomap_table(pdev)[0];
-
- ret = devm_request_irq(&pdev->dev, pdev->irq, ioc, 0, "intel_pmc_ipc",
- pmc);
- if (ret) {
- dev_err(&pdev->dev, "Failed to request irq\n");
- return ret;
- }
-
- pmc->dev = &pdev->dev;
-
- pci_set_drvdata(pdev, pmc);
-
- return 0;
-}
-
-static const struct pci_device_id ipc_pci_ids[] = {
- {PCI_VDEVICE(INTEL, 0x0a94), 0},
- {PCI_VDEVICE(INTEL, 0x1a94), 0},
- {PCI_VDEVICE(INTEL, 0x5a94), 0},
- { 0,}
-};
-MODULE_DEVICE_TABLE(pci, ipc_pci_ids);
-
-static struct pci_driver ipc_pci_driver = {
- .name = "intel_pmc_ipc",
- .id_table = ipc_pci_ids,
- .probe = ipc_pci_probe,
-};
-
-static ssize_t intel_pmc_ipc_simple_cmd_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- int subcmd;
- int cmd;
- int ret;
-
- ret = sscanf(buf, "%d %d", &cmd, &subcmd);
- if (ret != 2) {
- dev_err(dev, "Error args\n");
- return -EINVAL;
- }
-
- ret = intel_pmc_ipc_simple_command(cmd, subcmd);
- if (ret) {
- dev_err(dev, "command %d error with %d\n", cmd, ret);
- return ret;
- }
- return (ssize_t)count;
-}
-static DEVICE_ATTR(simplecmd, 0200, NULL, intel_pmc_ipc_simple_cmd_store);
-
-static ssize_t intel_pmc_ipc_northpeak_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- unsigned long val;
- int subcmd;
- int ret;
-
- ret = kstrtoul(buf, 0, &val);
- if (ret)
- return ret;
-
- if (val)
- subcmd = 1;
- else
- subcmd = 0;
- ret = intel_pmc_ipc_simple_command(PMC_IPC_NORTHPEAK_CTRL, subcmd);
- if (ret) {
- dev_err(dev, "command north %d error with %d\n", subcmd, ret);
- return ret;
- }
- return (ssize_t)count;
-}
-static DEVICE_ATTR(northpeak, 0200, NULL, intel_pmc_ipc_northpeak_store);
-
-static struct attribute *intel_ipc_attrs[] = {
- &dev_attr_northpeak.attr,
- &dev_attr_simplecmd.attr,
- NULL
-};
-
-static const struct attribute_group intel_ipc_group = {
- .attrs = intel_ipc_attrs,
-};
-
-static const struct attribute_group *intel_ipc_groups[] = {
- &intel_ipc_group,
- NULL
-};
-
-static struct resource punit_res_array[] = {
- /* Punit BIOS */
- {
- .flags = IORESOURCE_MEM,
- },
- {
- .flags = IORESOURCE_MEM,
- },
- /* Punit ISP */
- {
- .flags = IORESOURCE_MEM,
- },
- {
- .flags = IORESOURCE_MEM,
- },
- /* Punit GTD */
- {
- .flags = IORESOURCE_MEM,
- },
- {
- .flags = IORESOURCE_MEM,
- },
-};
-
-#define TCO_RESOURCE_ACPI_IO 0
-#define TCO_RESOURCE_SMI_EN_IO 1
-#define TCO_RESOURCE_GCR_MEM 2
-static struct resource tco_res[] = {
- /* ACPI - TCO */
- {
- .flags = IORESOURCE_IO,
- },
- /* ACPI - SMI */
- {
- .flags = IORESOURCE_IO,
- },
-};
-
-static struct itco_wdt_platform_data tco_info = {
- .name = "Apollo Lake SoC",
- .version = 5,
- .no_reboot_priv = &ipcdev,
- .update_no_reboot_bit = update_no_reboot_bit,
-};
-
-#define TELEMETRY_RESOURCE_PUNIT_SSRAM 0
-#define TELEMETRY_RESOURCE_PMC_SSRAM 1
-static struct resource telemetry_res[] = {
- /*Telemetry*/
- {
- .flags = IORESOURCE_MEM,
- },
- {
- .flags = IORESOURCE_MEM,
- },
-};
-
-static int ipc_create_punit_device(void)
-{
- struct platform_device *pdev;
- const struct platform_device_info pdevinfo = {
- .parent = ipcdev.dev,
- .name = PUNIT_DEVICE_NAME,
- .id = -1,
- .res = punit_res_array,
- .num_res = ipcdev.punit_res_count,
- };
-
- pdev = platform_device_register_full(&pdevinfo);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- ipcdev.punit_dev = pdev;
-
- return 0;
-}
-
-static int ipc_create_tco_device(void)
-{
- struct platform_device *pdev;
- struct resource *res;
- const struct platform_device_info pdevinfo = {
- .parent = ipcdev.dev,
- .name = TCO_DEVICE_NAME,
- .id = -1,
- .res = tco_res,
- .num_res = ARRAY_SIZE(tco_res),
- .data = &tco_info,
- .size_data = sizeof(tco_info),
- };
-
- res = tco_res + TCO_RESOURCE_ACPI_IO;
- res->start = ipcdev.acpi_io_base + TCO_BASE_OFFSET;
- res->end = res->start + TCO_REGS_SIZE - 1;
-
- res = tco_res + TCO_RESOURCE_SMI_EN_IO;
- res->start = ipcdev.acpi_io_base + SMI_EN_OFFSET;
- res->end = res->start + SMI_EN_SIZE - 1;
-
- pdev = platform_device_register_full(&pdevinfo);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- ipcdev.tco_dev = pdev;
-
- return 0;
-}
-
-static int ipc_create_telemetry_device(void)
-{
- struct platform_device *pdev;
- struct resource *res;
- const struct platform_device_info pdevinfo = {
- .parent = ipcdev.dev,
- .name = TELEMETRY_DEVICE_NAME,
- .id = -1,
- .res = telemetry_res,
- .num_res = ARRAY_SIZE(telemetry_res),
- };
-
- res = telemetry_res + TELEMETRY_RESOURCE_PUNIT_SSRAM;
- res->start = ipcdev.telem_punit_ssram_base;
- res->end = res->start + ipcdev.telem_punit_ssram_size - 1;
-
- res = telemetry_res + TELEMETRY_RESOURCE_PMC_SSRAM;
- res->start = ipcdev.telem_pmc_ssram_base;
- res->end = res->start + ipcdev.telem_pmc_ssram_size - 1;
-
- pdev = platform_device_register_full(&pdevinfo);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- ipcdev.telemetry_dev = pdev;
-
- return 0;
-}
-
-static int ipc_create_pmc_devices(void)
-{
- int ret;
-
- /* If we have ACPI based watchdog use that instead */
- if (!acpi_has_watchdog()) {
- ret = ipc_create_tco_device();
- if (ret) {
- dev_err(ipcdev.dev, "Failed to add tco platform device\n");
- return ret;
- }
- }
-
- ret = ipc_create_punit_device();
- if (ret) {
- dev_err(ipcdev.dev, "Failed to add punit platform device\n");
- platform_device_unregister(ipcdev.tco_dev);
- return ret;
- }
-
- if (!ipcdev.telem_res_inval) {
- ret = ipc_create_telemetry_device();
- if (ret) {
- dev_warn(ipcdev.dev,
- "Failed to add telemetry platform device\n");
- platform_device_unregister(ipcdev.punit_dev);
- platform_device_unregister(ipcdev.tco_dev);
- }
- }
-
- return ret;
-}
-
-static int ipc_plat_get_res(struct platform_device *pdev)
-{
- struct resource *res, *punit_res = punit_res_array;
- void __iomem *addr;
- int size;
-
- res = platform_get_resource(pdev, IORESOURCE_IO,
- PLAT_RESOURCE_ACPI_IO_INDEX);
- if (!res) {
- dev_err(&pdev->dev, "Failed to get io resource\n");
- return -ENXIO;
- }
- size = resource_size(res);
- ipcdev.acpi_io_base = res->start;
- ipcdev.acpi_io_size = size;
- dev_info(&pdev->dev, "io res: %pR\n", res);
-
- ipcdev.punit_res_count = 0;
-
- /* This is index 0 to cover BIOS data register */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_BIOS_DATA_INDEX);
- if (!res) {
- dev_err(&pdev->dev, "Failed to get res of punit BIOS data\n");
- return -ENXIO;
- }
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit BIOS data res: %pR\n", res);
-
- /* This is index 1 to cover BIOS interface register */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_BIOS_IFACE_INDEX);
- if (!res) {
- dev_err(&pdev->dev, "Failed to get res of punit BIOS iface\n");
- return -ENXIO;
- }
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit BIOS interface res: %pR\n", res);
-
- /* This is index 2 to cover ISP data register, optional */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_ISP_DATA_INDEX);
- if (res) {
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit ISP data res: %pR\n", res);
- }
-
- /* This is index 3 to cover ISP interface register, optional */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_ISP_IFACE_INDEX);
- if (res) {
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit ISP interface res: %pR\n", res);
- }
-
- /* This is index 4 to cover GTD data register, optional */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_GTD_DATA_INDEX);
- if (res) {
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit GTD data res: %pR\n", res);
- }
-
- /* This is index 5 to cover GTD interface register, optional */
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_GTD_IFACE_INDEX);
- if (res) {
- punit_res[ipcdev.punit_res_count++] = *res;
- dev_info(&pdev->dev, "punit GTD interface res: %pR\n", res);
- }
-
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_IPC_INDEX);
- if (!res) {
- dev_err(&pdev->dev, "Failed to get ipc resource\n");
- return -ENXIO;
- }
- size = PLAT_RESOURCE_IPC_SIZE + PLAT_RESOURCE_GCR_SIZE;
- res->end = res->start + size - 1;
-
- addr = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(addr))
- return PTR_ERR(addr);
-
- ipcdev.ipc_base = addr;
-
- ipcdev.gcr_mem_base = addr + PLAT_RESOURCE_GCR_OFFSET;
- dev_info(&pdev->dev, "ipc res: %pR\n", res);
-
- ipcdev.telem_res_inval = 0;
- res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_TELEM_SSRAM_INDEX);
- if (!res) {
- dev_err(&pdev->dev, "Failed to get telemetry ssram resource\n");
- ipcdev.telem_res_inval = 1;
- } else {
- ipcdev.telem_punit_ssram_base = res->start +
- TELEM_PUNIT_SSRAM_OFFSET;
- ipcdev.telem_punit_ssram_size = TELEM_SSRAM_SIZE;
- ipcdev.telem_pmc_ssram_base = res->start +
- TELEM_PMC_SSRAM_OFFSET;
- ipcdev.telem_pmc_ssram_size = TELEM_SSRAM_SIZE;
- dev_info(&pdev->dev, "telemetry ssram res: %pR\n", res);
- }
-
- return 0;
-}
-
-/**
- * intel_pmc_s0ix_counter_read() - Read S0ix residency.
- * @data: Out param that contains current S0ix residency count.
- *
- * Return: an error code or 0 on success.
- */
-int intel_pmc_s0ix_counter_read(u64 *data)
-{
- u64 deep, shlw;
-
- if (!ipcdev.has_gcr_regs)
- return -EACCES;
-
- deep = gcr_data_readq(PMC_GCR_TELEM_DEEP_S0IX_REG);
- shlw = gcr_data_readq(PMC_GCR_TELEM_SHLW_S0IX_REG);
-
- *data = S0IX_RESIDENCY_IN_USECS(deep, shlw);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(intel_pmc_s0ix_counter_read);
-
-#ifdef CONFIG_ACPI
-static const struct acpi_device_id ipc_acpi_ids[] = {
- { "INT34D2", 0},
- { }
-};
-MODULE_DEVICE_TABLE(acpi, ipc_acpi_ids);
-#endif
-
-static int ipc_plat_probe(struct platform_device *pdev)
-{
- int ret;
-
- ipcdev.dev = &pdev->dev;
- ipcdev.irq_mode = IPC_TRIGGER_MODE_IRQ;
- init_completion(&ipcdev.cmd_complete);
- spin_lock_init(&ipcdev.gcr_lock);
-
- ipcdev.irq = platform_get_irq(pdev, 0);
- if (ipcdev.irq < 0)
- return -EINVAL;
-
- ret = ipc_plat_get_res(pdev);
- if (ret) {
- dev_err(&pdev->dev, "Failed to request resource\n");
- return ret;
- }
-
- ret = ipc_create_pmc_devices();
- if (ret) {
- dev_err(&pdev->dev, "Failed to create pmc devices\n");
- return ret;
- }
-
- if (devm_request_irq(&pdev->dev, ipcdev.irq, ioc, IRQF_NO_SUSPEND,
- "intel_pmc_ipc", &ipcdev)) {
- dev_err(&pdev->dev, "Failed to request irq\n");
- ret = -EBUSY;
- goto err_irq;
- }
-
- ipcdev.has_gcr_regs = true;
-
- return 0;
-
-err_irq:
- platform_device_unregister(ipcdev.tco_dev);
- platform_device_unregister(ipcdev.punit_dev);
- platform_device_unregister(ipcdev.telemetry_dev);
-
- return ret;
-}
-
-static int ipc_plat_remove(struct platform_device *pdev)
-{
- devm_free_irq(&pdev->dev, ipcdev.irq, &ipcdev);
- platform_device_unregister(ipcdev.tco_dev);
- platform_device_unregister(ipcdev.punit_dev);
- platform_device_unregister(ipcdev.telemetry_dev);
- ipcdev.dev = NULL;
- return 0;
-}
-
-static struct platform_driver ipc_plat_driver = {
- .remove = ipc_plat_remove,
- .probe = ipc_plat_probe,
- .driver = {
- .name = "pmc-ipc-plat",
- .acpi_match_table = ACPI_PTR(ipc_acpi_ids),
- .dev_groups = intel_ipc_groups,
- },
-};
-
-static int __init intel_pmc_ipc_init(void)
-{
- int ret;
-
- ret = platform_driver_register(&ipc_plat_driver);
- if (ret) {
- pr_err("Failed to register PMC ipc platform driver\n");
- return ret;
- }
- ret = pci_register_driver(&ipc_pci_driver);
- if (ret) {
- pr_err("Failed to register PMC ipc pci driver\n");
- platform_driver_unregister(&ipc_plat_driver);
- return ret;
- }
- return ret;
-}
-
-static void __exit intel_pmc_ipc_exit(void)
-{
- pci_unregister_driver(&ipc_pci_driver);
- platform_driver_unregister(&ipc_plat_driver);
-}
-
-MODULE_AUTHOR("Zha Qipeng <qipeng.zha@intel.com>");
-MODULE_DESCRIPTION("Intel PMC IPC driver");
-MODULE_LICENSE("GPL v2");
-
-/* Some modules are dependent on this, so init earlier */
-fs_initcall(intel_pmc_ipc_init);
-module_exit(intel_pmc_ipc_exit);
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 3d7da5266136..d9cf7f7602b0 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -18,11 +18,10 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-#include <linux/sfi.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/slab.h>
-#include <asm/intel-mid.h>
#include <asm/intel_scu_ipc.h>
/* IPC defines the following message types */
@@ -55,14 +54,14 @@
#define IPC_IOC 0x100 /* IPC command register IOC bit */
struct intel_scu_ipc_dev {
- struct device *dev;
+ struct device dev;
+ struct resource mem;
+ struct module *owner;
+ int irq;
void __iomem *ipc_base;
struct completion cmd_complete;
- u8 irq_mode;
};
-static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
-
#define IPC_STATUS 0x04
#define IPC_STATUS_IRQ BIT(2)
#define IPC_STATUS_ERR BIT(1)
@@ -78,8 +77,110 @@ static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
/* Timeout in jiffies */
#define IPC_TIMEOUT (3 * HZ)
+static struct intel_scu_ipc_dev *ipcdev; /* Only one for now */
static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */
+static struct class intel_scu_ipc_class = {
+ .name = "intel_scu_ipc",
+ .owner = THIS_MODULE,
+};
+
+/**
+ * intel_scu_ipc_dev_get() - Get SCU IPC instance
+ *
+ * The recommended new API takes SCU IPC instance as parameter and this
+ * function can be called by driver to get the instance. This also makes
+ * sure the driver providing the IPC functionality cannot be unloaded
+ * while the caller has the instance.
+ *
+ * Call intel_scu_ipc_dev_put() to release the instance.
+ *
+ * Returns %NULL if SCU IPC is not currently available.
+ */
+struct intel_scu_ipc_dev *intel_scu_ipc_dev_get(void)
+{
+ struct intel_scu_ipc_dev *scu = NULL;
+
+ mutex_lock(&ipclock);
+ if (ipcdev) {
+ get_device(&ipcdev->dev);
+ /*
+ * Prevent the IPC provider from being unloaded while it
+ * is being used.
+ */
+ if (!try_module_get(ipcdev->owner))
+ put_device(&ipcdev->dev);
+ else
+ scu = ipcdev;
+ }
+
+ mutex_unlock(&ipclock);
+ return scu;
+}
+EXPORT_SYMBOL_GPL(intel_scu_ipc_dev_get);
+
+/**
+ * intel_scu_ipc_dev_put() - Put SCU IPC instance
+ * @scu: SCU IPC instance
+ *
+ * This function releases the SCU IPC instance retrieved from
+ * intel_scu_ipc_dev_get() and allows the driver providing IPC to be
+ * unloaded.
+ */
+void intel_scu_ipc_dev_put(struct intel_scu_ipc_dev *scu)
+{
+ if (scu) {
+ module_put(scu->owner);
+ put_device(&scu->dev);
+ }
+}
+EXPORT_SYMBOL_GPL(intel_scu_ipc_dev_put);
+
+struct intel_scu_ipc_devres {
+ struct intel_scu_ipc_dev *scu;
+};
+
+static void devm_intel_scu_ipc_dev_release(struct device *dev, void *res)
+{
+ struct intel_scu_ipc_devres *dr = res;
+ struct intel_scu_ipc_dev *scu = dr->scu;
+
+ intel_scu_ipc_dev_put(scu);
+}
+
+/**
+ * devm_intel_scu_ipc_dev_get() - Allocate managed SCU IPC device
+ * @dev: Device requesting the SCU IPC device
+ *
+ * The recommended new API takes SCU IPC instance as parameter and this
+ * function can be called by driver to get the instance. This also makes
+ * sure the driver providing the IPC functionality cannot be unloaded
+ * while the caller has the instance.
+ *
+ * Returns %NULL if SCU IPC is not currently available.
+ */
+struct intel_scu_ipc_dev *devm_intel_scu_ipc_dev_get(struct device *dev)
+{
+ struct intel_scu_ipc_devres *dr;
+ struct intel_scu_ipc_dev *scu;
+
+ dr = devres_alloc(devm_intel_scu_ipc_dev_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return NULL;
+
+ scu = intel_scu_ipc_dev_get();
+ if (!scu) {
+ devres_free(dr);
+ return NULL;
+ }
+
+ dr->scu = scu;
+ devres_add(dev, dr);
+
+ return scu;
+}
+EXPORT_SYMBOL_GPL(devm_intel_scu_ipc_dev_get);
+
/*
* Send ipc command
* Command Register (Write Only):
@@ -143,7 +244,6 @@ static inline int busy_loop(struct intel_scu_ipc_dev *scu)
usleep_range(50, 100);
} while (time_before(jiffies, end));
- dev_err(scu->dev, "IPC timed out");
return -ETIMEDOUT;
}
@@ -152,10 +252,8 @@ static inline int ipc_wait_for_interrupt(struct intel_scu_ipc_dev *scu)
{
int status;
- if (!wait_for_completion_timeout(&scu->cmd_complete, IPC_TIMEOUT)) {
- dev_err(scu->dev, "IPC timed out\n");
+ if (!wait_for_completion_timeout(&scu->cmd_complete, IPC_TIMEOUT))
return -ETIMEDOUT;
- }
status = ipc_read_status(scu);
if (status & IPC_STATUS_ERR)
@@ -166,13 +264,13 @@ static inline int ipc_wait_for_interrupt(struct intel_scu_ipc_dev *scu)
static int intel_scu_ipc_check_status(struct intel_scu_ipc_dev *scu)
{
- return scu->irq_mode ? ipc_wait_for_interrupt(scu) : busy_loop(scu);
+ return scu->irq > 0 ? ipc_wait_for_interrupt(scu) : busy_loop(scu);
}
/* Read/Write power control(PMIC in Langwell, MSIC in PenWell) registers */
-static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
+static int pwr_reg_rdwr(struct intel_scu_ipc_dev *scu, u16 *addr, u8 *data,
+ u32 count, u32 op, u32 id)
{
- struct intel_scu_ipc_dev *scu = &ipcdev;
int nc;
u32 offset = 0;
int err;
@@ -182,8 +280,9 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
memset(cbuf, 0, sizeof(cbuf));
mutex_lock(&ipclock);
-
- if (scu->dev == NULL) {
+ if (!scu)
+ scu = ipcdev;
+ if (!scu) {
mutex_unlock(&ipclock);
return -ENODEV;
}
@@ -222,7 +321,8 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
}
/**
- * intel_scu_ipc_ioread8 - read a word via the SCU
+ * intel_scu_ipc_dev_ioread8() - Read a byte via the SCU
+ * @scu: Optional SCU IPC instance
* @addr: Register on SCU
* @data: Return pointer for read byte
*
@@ -231,14 +331,15 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
*
* This function may sleep.
*/
-int intel_scu_ipc_ioread8(u16 addr, u8 *data)
+int intel_scu_ipc_dev_ioread8(struct intel_scu_ipc_dev *scu, u16 addr, u8 *data)
{
- return pwr_reg_rdwr(&addr, data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+ return pwr_reg_rdwr(scu, &addr, data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
}
-EXPORT_SYMBOL(intel_scu_ipc_ioread8);
+EXPORT_SYMBOL(intel_scu_ipc_dev_ioread8);
/**
- * intel_scu_ipc_iowrite8 - write a byte via the SCU
+ * intel_scu_ipc_dev_iowrite8() - Write a byte via the SCU
+ * @scu: Optional SCU IPC instance
* @addr: Register on SCU
* @data: Byte to write
*
@@ -247,14 +348,15 @@ EXPORT_SYMBOL(intel_scu_ipc_ioread8);
*
* This function may sleep.
*/
-int intel_scu_ipc_iowrite8(u16 addr, u8 data)
+int intel_scu_ipc_dev_iowrite8(struct intel_scu_ipc_dev *scu, u16 addr, u8 data)
{
- return pwr_reg_rdwr(&addr, &data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+ return pwr_reg_rdwr(scu, &addr, &data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
}
-EXPORT_SYMBOL(intel_scu_ipc_iowrite8);
+EXPORT_SYMBOL(intel_scu_ipc_dev_iowrite8);
/**
- * intel_scu_ipc_readvv - read a set of registers
+ * intel_scu_ipc_dev_readv() - Read a set of registers
+ * @scu: Optional SCU IPC instance
* @addr: Register list
* @data: Bytes to return
* @len: Length of array
@@ -266,14 +368,16 @@ EXPORT_SYMBOL(intel_scu_ipc_iowrite8);
*
* This function may sleep.
*/
-int intel_scu_ipc_readv(u16 *addr, u8 *data, int len)
+int intel_scu_ipc_dev_readv(struct intel_scu_ipc_dev *scu, u16 *addr, u8 *data,
+ size_t len)
{
- return pwr_reg_rdwr(addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
+ return pwr_reg_rdwr(scu, addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_R);
}
-EXPORT_SYMBOL(intel_scu_ipc_readv);
+EXPORT_SYMBOL(intel_scu_ipc_dev_readv);
/**
- * intel_scu_ipc_writev - write a set of registers
+ * intel_scu_ipc_dev_writev() - Write a set of registers
+ * @scu: Optional SCU IPC instance
* @addr: Register list
* @data: Bytes to write
* @len: Length of array
@@ -285,16 +389,18 @@ EXPORT_SYMBOL(intel_scu_ipc_readv);
*
* This function may sleep.
*/
-int intel_scu_ipc_writev(u16 *addr, u8 *data, int len)
+int intel_scu_ipc_dev_writev(struct intel_scu_ipc_dev *scu, u16 *addr, u8 *data,
+ size_t len)
{
- return pwr_reg_rdwr(addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
+ return pwr_reg_rdwr(scu, addr, data, len, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_W);
}
-EXPORT_SYMBOL(intel_scu_ipc_writev);
+EXPORT_SYMBOL(intel_scu_ipc_dev_writev);
/**
- * intel_scu_ipc_update_register - r/m/w a register
+ * intel_scu_ipc_dev_update() - Update a register
+ * @scu: Optional SCU IPC instance
* @addr: Register address
- * @bits: Bits to update
+ * @data: Bits to update
* @mask: Mask of bits to update
*
* Read-modify-write power control unit register. The first data argument
@@ -305,15 +411,17 @@ EXPORT_SYMBOL(intel_scu_ipc_writev);
* This function may sleep. Locking between SCU accesses is handled
* for the caller.
*/
-int intel_scu_ipc_update_register(u16 addr, u8 bits, u8 mask)
+int intel_scu_ipc_dev_update(struct intel_scu_ipc_dev *scu, u16 addr, u8 data,
+ u8 mask)
{
- u8 data[2] = { bits, mask };
- return pwr_reg_rdwr(&addr, data, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_M);
+ u8 tmp[2] = { data, mask };
+ return pwr_reg_rdwr(scu, &addr, tmp, 1, IPCMSG_PCNTRL, IPC_CMD_PCNTRL_M);
}
-EXPORT_SYMBOL(intel_scu_ipc_update_register);
+EXPORT_SYMBOL(intel_scu_ipc_dev_update);
/**
- * intel_scu_ipc_simple_command - send a simple command
+ * intel_scu_ipc_dev_simple_command() - Send a simple command
+ * @scu: Optional SCU IPC instance
* @cmd: Command
* @sub: Sub type
*
@@ -324,62 +432,89 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register);
* This function may sleep. Locking for SCU accesses is handled for the
* caller.
*/
-int intel_scu_ipc_simple_command(int cmd, int sub)
+int intel_scu_ipc_dev_simple_command(struct intel_scu_ipc_dev *scu, int cmd,
+ int sub)
{
- struct intel_scu_ipc_dev *scu = &ipcdev;
+ u32 cmdval;
int err;
mutex_lock(&ipclock);
- if (scu->dev == NULL) {
+ if (!scu)
+ scu = ipcdev;
+ if (!scu) {
mutex_unlock(&ipclock);
return -ENODEV;
}
- ipc_command(scu, sub << 12 | cmd);
+ scu = ipcdev;
+ cmdval = sub << 12 | cmd;
+ ipc_command(scu, cmdval);
err = intel_scu_ipc_check_status(scu);
mutex_unlock(&ipclock);
+ if (err)
+ dev_err(&scu->dev, "IPC command %#x failed with %d\n", cmdval, err);
return err;
}
-EXPORT_SYMBOL(intel_scu_ipc_simple_command);
+EXPORT_SYMBOL(intel_scu_ipc_dev_simple_command);
/**
- * intel_scu_ipc_command - command with data
+ * intel_scu_ipc_command_with_size() - Command with data
+ * @scu: Optional SCU IPC instance
* @cmd: Command
* @sub: Sub type
* @in: Input data
- * @inlen: Input length in dwords
+ * @inlen: Input length in bytes
+ * @size: Input size written to the IPC command register in whatever
+ * units (dword, byte) the particular firmware requires. Normally
+ * should be the same as @inlen.
* @out: Output data
- * @outlen: Output length in dwords
+ * @outlen: Output length in bytes
*
* Issue a command to the SCU which involves data transfers. Do the
* data copies under the lock but leave it for the caller to interpret.
*/
-int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen,
- u32 *out, int outlen)
+int intel_scu_ipc_dev_command_with_size(struct intel_scu_ipc_dev *scu, int cmd,
+ int sub, const void *in, size_t inlen,
+ size_t size, void *out, size_t outlen)
{
- struct intel_scu_ipc_dev *scu = &ipcdev;
+ size_t outbuflen = DIV_ROUND_UP(outlen, sizeof(u32));
+ size_t inbuflen = DIV_ROUND_UP(inlen, sizeof(u32));
+ u32 cmdval, inbuf[4] = {};
int i, err;
+ if (inbuflen > 4 || outbuflen > 4)
+ return -EINVAL;
+
mutex_lock(&ipclock);
- if (scu->dev == NULL) {
+ if (!scu)
+ scu = ipcdev;
+ if (!scu) {
mutex_unlock(&ipclock);
return -ENODEV;
}
- for (i = 0; i < inlen; i++)
- ipc_data_writel(scu, *in++, 4 * i);
+ memcpy(inbuf, in, inlen);
+ for (i = 0; i < inbuflen; i++)
+ ipc_data_writel(scu, inbuf[i], 4 * i);
- ipc_command(scu, (inlen << 16) | (sub << 12) | cmd);
+ cmdval = (size << 16) | (sub << 12) | cmd;
+ ipc_command(scu, cmdval);
err = intel_scu_ipc_check_status(scu);
if (!err) {
- for (i = 0; i < outlen; i++)
- *out++ = ipc_data_readl(scu, 4 * i);
+ u32 outbuf[4] = {};
+
+ for (i = 0; i < outbuflen; i++)
+ outbuf[i] = ipc_data_readl(scu, 4 * i);
+
+ memcpy(out, outbuf, outlen);
}
mutex_unlock(&ipclock);
+ if (err)
+ dev_err(&scu->dev, "IPC command %#x failed with %d\n", cmdval, err);
return err;
}
-EXPORT_SYMBOL(intel_scu_ipc_command);
+EXPORT_SYMBOL(intel_scu_ipc_dev_command_with_size);
/*
* Interrupt handler gets called when ioc bit of IPC_COMMAND_REG set to 1
@@ -399,61 +534,179 @@ static irqreturn_t ioc(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static void intel_scu_ipc_release(struct device *dev)
+{
+ struct intel_scu_ipc_dev *scu;
+
+ scu = container_of(dev, struct intel_scu_ipc_dev, dev);
+ if (scu->irq > 0)
+ free_irq(scu->irq, scu);
+ iounmap(scu->ipc_base);
+ release_mem_region(scu->mem.start, resource_size(&scu->mem));
+ kfree(scu);
+}
+
/**
- * ipc_probe - probe an Intel SCU IPC
- * @pdev: the PCI device matching
- * @id: entry in the match table
+ * __intel_scu_ipc_register() - Register SCU IPC device
+ * @parent: Parent device
+ * @scu_data: Data used to configure SCU IPC
+ * @owner: Module registering the SCU IPC device
*
- * Enable and install an intel SCU IPC. This appears in the PCI space
- * but uses some hard coded addresses as well.
+ * Call this function to register SCU IPC mechanism under @parent.
+ * Returns pointer to the new SCU IPC device or ERR_PTR() in case of
+ * failure. The caller may use the returned instance if it needs to do
+ * SCU IPC calls itself.
*/
-static int ipc_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+struct intel_scu_ipc_dev *
+__intel_scu_ipc_register(struct device *parent,
+ const struct intel_scu_ipc_data *scu_data,
+ struct module *owner)
{
int err;
- struct intel_scu_ipc_dev *scu = &ipcdev;
+ struct intel_scu_ipc_dev *scu;
+ void __iomem *ipc_base;
- if (scu->dev) /* We support only one SCU */
- return -EBUSY;
+ mutex_lock(&ipclock);
+ /* We support only one IPC */
+ if (ipcdev) {
+ err = -EBUSY;
+ goto err_unlock;
+ }
- err = pcim_enable_device(pdev);
- if (err)
- return err;
+ scu = kzalloc(sizeof(*scu), GFP_KERNEL);
+ if (!scu) {
+ err = -ENOMEM;
+ goto err_unlock;
+ }
- err = pcim_iomap_regions(pdev, 1 << 0, pci_name(pdev));
- if (err)
- return err;
+ scu->owner = owner;
+ scu->dev.parent = parent;
+ scu->dev.class = &intel_scu_ipc_class;
+ scu->dev.release = intel_scu_ipc_release;
+ dev_set_name(&scu->dev, "intel_scu_ipc");
+
+ if (!request_mem_region(scu_data->mem.start, resource_size(&scu_data->mem),
+ "intel_scu_ipc")) {
+ err = -EBUSY;
+ goto err_free;
+ }
+ ipc_base = ioremap(scu_data->mem.start, resource_size(&scu_data->mem));
+ if (!ipc_base) {
+ err = -ENOMEM;
+ goto err_release;
+ }
+
+ scu->ipc_base = ipc_base;
+ scu->mem = scu_data->mem;
+ scu->irq = scu_data->irq;
init_completion(&scu->cmd_complete);
- scu->ipc_base = pcim_iomap_table(pdev)[0];
+ if (scu->irq > 0) {
+ err = request_irq(scu->irq, ioc, 0, "intel_scu_ipc", scu);
+ if (err)
+ goto err_unmap;
+ }
- err = devm_request_irq(&pdev->dev, pdev->irq, ioc, 0, "intel_scu_ipc",
- scu);
- if (err)
- return err;
+ /*
+ * After this point intel_scu_ipc_release() takes care of
+ * releasing the SCU IPC resources once refcount drops to zero.
+ */
+ err = device_register(&scu->dev);
+ if (err) {
+ put_device(&scu->dev);
+ goto err_unlock;
+ }
/* Assign device at last */
- scu->dev = &pdev->dev;
+ ipcdev = scu;
+ mutex_unlock(&ipclock);
- intel_scu_devices_create();
+ return scu;
- pci_set_drvdata(pdev, scu);
- return 0;
+err_unmap:
+ iounmap(ipc_base);
+err_release:
+ release_mem_region(scu_data->mem.start, resource_size(&scu_data->mem));
+err_free:
+ kfree(scu);
+err_unlock:
+ mutex_unlock(&ipclock);
+
+ return ERR_PTR(err);
}
+EXPORT_SYMBOL_GPL(__intel_scu_ipc_register);
-static const struct pci_device_id pci_ids[] = {
- { PCI_VDEVICE(INTEL, 0x080e) },
- { PCI_VDEVICE(INTEL, 0x08ea) },
- { PCI_VDEVICE(INTEL, 0x11a0) },
- {}
-};
+/**
+ * intel_scu_ipc_unregister() - Unregister SCU IPC
+ * @scu: SCU IPC handle
+ *
+ * This unregisters the SCU IPC device and releases the acquired
+ * resources once the refcount goes to zero.
+ */
+void intel_scu_ipc_unregister(struct intel_scu_ipc_dev *scu)
+{
+ mutex_lock(&ipclock);
+ if (!WARN_ON(!ipcdev)) {
+ ipcdev = NULL;
+ device_unregister(&scu->dev);
+ }
+ mutex_unlock(&ipclock);
+}
+EXPORT_SYMBOL_GPL(intel_scu_ipc_unregister);
-static struct pci_driver ipc_driver = {
- .driver = {
- .suppress_bind_attrs = true,
- },
- .name = "intel_scu_ipc",
- .id_table = pci_ids,
- .probe = ipc_probe,
-};
-builtin_pci_driver(ipc_driver);
+static void devm_intel_scu_ipc_unregister(struct device *dev, void *res)
+{
+ struct intel_scu_ipc_devres *dr = res;
+ struct intel_scu_ipc_dev *scu = dr->scu;
+
+ intel_scu_ipc_unregister(scu);
+}
+
+/**
+ * __devm_intel_scu_ipc_register() - Register managed SCU IPC device
+ * @parent: Parent device
+ * @scu_data: Data used to configure SCU IPC
+ * @owner: Module registering the SCU IPC device
+ *
+ * Call this function to register managed SCU IPC mechanism under
+ * @parent. Returns pointer to the new SCU IPC device or ERR_PTR() in
+ * case of failure. The caller may use the returned instance if it needs
+ * to do SCU IPC calls itself.
+ */
+struct intel_scu_ipc_dev *
+__devm_intel_scu_ipc_register(struct device *parent,
+ const struct intel_scu_ipc_data *scu_data,
+ struct module *owner)
+{
+ struct intel_scu_ipc_devres *dr;
+ struct intel_scu_ipc_dev *scu;
+
+ dr = devres_alloc(devm_intel_scu_ipc_unregister, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return NULL;
+
+ scu = __intel_scu_ipc_register(parent, scu_data, owner);
+ if (IS_ERR(scu)) {
+ devres_free(dr);
+ return scu;
+ }
+
+ dr->scu = scu;
+ devres_add(parent, dr);
+
+ return scu;
+}
+EXPORT_SYMBOL_GPL(__devm_intel_scu_ipc_register);
+
+static int __init intel_scu_ipc_init(void)
+{
+ return class_register(&intel_scu_ipc_class);
+}
+subsys_initcall(intel_scu_ipc_init);
+
+static void __exit intel_scu_ipc_exit(void)
+{
+ class_unregister(&intel_scu_ipc_class);
+}
+module_exit(intel_scu_ipc_exit);
diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c
index 8afe6fa06d7b..b7c10c15a3d6 100644
--- a/drivers/platform/x86/intel_scu_ipcutil.c
+++ b/drivers/platform/x86/intel_scu_ipcutil.c
@@ -22,6 +22,9 @@
static int major;
+struct intel_scu_ipc_dev *scu;
+static DEFINE_MUTEX(scu_lock);
+
/* IOCTL commands */
#define INTE_SCU_IPC_REGISTER_READ 0
#define INTE_SCU_IPC_REGISTER_WRITE 1
@@ -52,12 +55,12 @@ static int scu_reg_access(u32 cmd, struct scu_ipc_data *data)
switch (cmd) {
case INTE_SCU_IPC_REGISTER_READ:
- return intel_scu_ipc_readv(data->addr, data->data, count);
+ return intel_scu_ipc_dev_readv(scu, data->addr, data->data, count);
case INTE_SCU_IPC_REGISTER_WRITE:
- return intel_scu_ipc_writev(data->addr, data->data, count);
+ return intel_scu_ipc_dev_writev(scu, data->addr, data->data, count);
case INTE_SCU_IPC_REGISTER_UPDATE:
- return intel_scu_ipc_update_register(data->addr[0],
- data->data[0], data->mask);
+ return intel_scu_ipc_dev_update(scu, data->addr[0], data->data[0],
+ data->mask);
default:
return -ENOTTY;
}
@@ -91,8 +94,40 @@ static long scu_ipc_ioctl(struct file *fp, unsigned int cmd,
return 0;
}
+static int scu_ipc_open(struct inode *inode, struct file *file)
+{
+ int ret = 0;
+
+ /* Only single open at the time */
+ mutex_lock(&scu_lock);
+ if (scu) {
+ ret = -EBUSY;
+ goto unlock;
+ }
+
+ scu = intel_scu_ipc_dev_get();
+ if (!scu)
+ ret = -ENODEV;
+
+unlock:
+ mutex_unlock(&scu_lock);
+ return ret;
+}
+
+static int scu_ipc_release(struct inode *inode, struct file *file)
+{
+ mutex_lock(&scu_lock);
+ intel_scu_ipc_dev_put(scu);
+ scu = NULL;
+ mutex_unlock(&scu_lock);
+
+ return 0;
+}
+
static const struct file_operations scu_ipc_fops = {
.unlocked_ioctl = scu_ipc_ioctl,
+ .open = scu_ipc_open,
+ .release = scu_ipc_release,
};
static int __init ipc_module_init(void)
diff --git a/drivers/platform/x86/intel_scu_pcidrv.c b/drivers/platform/x86/intel_scu_pcidrv.c
new file mode 100644
index 000000000000..8c5fd8240da9
--- /dev/null
+++ b/drivers/platform/x86/intel_scu_pcidrv.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PCI driver for the Intel SCU.
+ *
+ * Copyright (C) 2008-2010, 2015, 2020 Intel Corporation
+ * Authors: Sreedhara DS (sreedhara.ds@intel.com)
+ * Mika Westerberg <mika.westerberg@linux.intel.com>
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+
+#include <asm/intel-mid.h>
+#include <asm/intel_scu_ipc.h>
+
+static int intel_scu_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ void (*setup_fn)(void) = (void (*)(void))id->driver_data;
+ struct intel_scu_ipc_data scu_data = {};
+ struct intel_scu_ipc_dev *scu;
+ int ret;
+
+ ret = pcim_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ scu_data.mem = pdev->resource[0];
+ scu_data.irq = pdev->irq;
+
+ scu = intel_scu_ipc_register(&pdev->dev, &scu_data);
+ if (IS_ERR(scu))
+ return PTR_ERR(scu);
+
+ if (setup_fn)
+ setup_fn();
+ return 0;
+}
+
+static void intel_mid_scu_setup(void)
+{
+ intel_scu_devices_create();
+}
+
+static const struct pci_device_id pci_ids[] = {
+ { PCI_VDEVICE(INTEL, 0x080e),
+ .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
+ { PCI_VDEVICE(INTEL, 0x08ea),
+ .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
+ { PCI_VDEVICE(INTEL, 0x0a94) },
+ { PCI_VDEVICE(INTEL, 0x11a0),
+ .driver_data = (kernel_ulong_t)intel_mid_scu_setup },
+ { PCI_VDEVICE(INTEL, 0x1a94) },
+ { PCI_VDEVICE(INTEL, 0x5a94) },
+ {}
+};
+
+static struct pci_driver intel_scu_pci_driver = {
+ .driver = {
+ .suppress_bind_attrs = true,
+ },
+ .name = "intel_scu",
+ .id_table = pci_ids,
+ .probe = intel_scu_pci_probe,
+};
+
+builtin_pci_driver(intel_scu_pci_driver);
diff --git a/drivers/platform/x86/intel_scu_pltdrv.c b/drivers/platform/x86/intel_scu_pltdrv.c
new file mode 100644
index 000000000000..56ec6ae4c824
--- /dev/null
+++ b/drivers/platform/x86/intel_scu_pltdrv.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Platform driver for the Intel SCU.
+ *
+ * Copyright (C) 2019, Intel Corporation
+ * Authors: Divya Sasidharan <divya.s.sasidharan@intel.com>
+ * Mika Westerberg <mika.westerberg@linux.intel.com>
+ * Rajmohan Mani <rajmohan.mani@intel.com>
+ */
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/intel_scu_ipc.h>
+
+static int intel_scu_platform_probe(struct platform_device *pdev)
+{
+ struct intel_scu_ipc_data scu_data = {};
+ struct intel_scu_ipc_dev *scu;
+ const struct resource *res;
+
+ scu_data.irq = platform_get_irq_optional(pdev, 0);
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENOMEM;
+
+ scu_data.mem = *res;
+
+ scu = devm_intel_scu_ipc_register(&pdev->dev, &scu_data);
+ if (IS_ERR(scu))
+ return PTR_ERR(scu);
+
+ platform_set_drvdata(pdev, scu);
+ return 0;
+}
+
+static const struct acpi_device_id intel_scu_acpi_ids[] = {
+ { "INTC1026" },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, intel_scu_acpi_ids);
+
+static struct platform_driver intel_scu_platform_driver = {
+ .probe = intel_scu_platform_probe,
+ .driver = {
+ .name = "intel_scu",
+ .acpi_match_table = intel_scu_acpi_ids,
+ },
+};
+module_platform_driver(intel_scu_platform_driver);
+
+MODULE_AUTHOR("Divya Sasidharan <divya.s.sasidharan@intel.com>");
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com");
+MODULE_AUTHOR("Rajmohan Mani <rajmohan.mani@intel.com>");
+MODULE_DESCRIPTION("Intel SCU platform driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c b/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
index de4169d0796b..d84e2174cbde 100644
--- a/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
+++ b/drivers/platform/x86/intel_speed_select_if/isst_if_mbox_pci.c
@@ -21,13 +21,12 @@
#define PUNIT_MAILBOX_BUSY_BIT 31
/*
- * Commands has variable amount of processing time. Most of the commands will
- * be done in 0-3 tries, but some takes up to 50.
- * The real processing time was observed as 25us for the most of the commands
- * at 2GHz. It is possible to optimize this count taking samples on customer
- * systems.
+ * The average time to complete some commands is about 40us. The current
+ * count is enough to satisfy 40us. But when the firmware is very busy, this
+ * causes timeout occasionally. So increase to deal with some worst case
+ * scenarios. Most of the command still complete in few us.
*/
-#define OS_MAILBOX_RETRY_COUNT 50
+#define OS_MAILBOX_RETRY_COUNT 100
struct isst_if_device {
struct mutex mutex;
diff --git a/drivers/platform/x86/intel_telemetry_core.c b/drivers/platform/x86/intel_telemetry_core.c
index d4040bb222b4..fdf55b5d6948 100644
--- a/drivers/platform/x86/intel_telemetry_core.c
+++ b/drivers/platform/x86/intel_telemetry_core.c
@@ -353,21 +353,16 @@ int telemetry_clear_pltdata(void)
EXPORT_SYMBOL_GPL(telemetry_clear_pltdata);
/**
- * telemetry_pltconfig_valid() - Checkif platform config is valid
+ * telemetry_get_pltdata() - Return telemetry platform config
*
- * Usage by other than telemetry module is invalid
- *
- * Return: 0 success, < 0 for failure
+ * May be used by other telemetry modules to get platform specific
+ * configuration.
*/
-int telemetry_pltconfig_valid(void)
+struct telemetry_plt_config *telemetry_get_pltdata(void)
{
- if (telm_core_conf.plt_config)
- return 0;
-
- else
- return -EINVAL;
+ return telm_core_conf.plt_config;
}
-EXPORT_SYMBOL_GPL(telemetry_pltconfig_valid);
+EXPORT_SYMBOL_GPL(telemetry_get_pltdata);
static inline int telemetry_get_pssevtname(enum telemetry_unit telem_unit,
const char **name, int len)
diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c
index 8a53d3b485b3..1d4d0fbfd63c 100644
--- a/drivers/platform/x86/intel_telemetry_debugfs.c
+++ b/drivers/platform/x86/intel_telemetry_debugfs.c
@@ -15,6 +15,7 @@
*/
#include <linux/debugfs.h>
#include <linux/device.h>
+#include <linux/mfd/intel_pmc_bxt.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/seq_file.h>
@@ -22,7 +23,6 @@
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
-#include <asm/intel_pmc_ipc.h>
#include <asm/intel_telemetry.h>
#define DRIVER_NAME "telemetry_soc_debugfs"
@@ -647,10 +647,11 @@ DEFINE_SHOW_ATTRIBUTE(telem_soc_states);
static int telem_s0ix_res_get(void *data, u64 *val)
{
+ struct telemetry_plt_config *plt_config = telemetry_get_pltdata();
u64 s0ix_total_res;
int ret;
- ret = intel_pmc_s0ix_counter_read(&s0ix_total_res);
+ ret = intel_pmc_s0ix_counter_read(plt_config->pmc, &s0ix_total_res);
if (ret) {
pr_err("Failed to read S0ix residency");
return ret;
@@ -837,12 +838,15 @@ static int pm_suspend_exit_cb(void)
*/
if (suspend_shlw_ctr_exit == suspend_shlw_ctr_temp &&
suspend_deep_ctr_exit == suspend_deep_ctr_temp) {
- ret = intel_pmc_gcr_read64(PMC_GCR_TELEM_SHLW_S0IX_REG,
+ struct telemetry_plt_config *plt_config = telemetry_get_pltdata();
+ struct intel_pmc_dev *pmc = plt_config->pmc;
+
+ ret = intel_pmc_gcr_read64(pmc, PMC_GCR_TELEM_SHLW_S0IX_REG,
&suspend_shlw_res_exit);
if (ret < 0)
goto out;
- ret = intel_pmc_gcr_read64(PMC_GCR_TELEM_DEEP_S0IX_REG,
+ ret = intel_pmc_gcr_read64(pmc, PMC_GCR_TELEM_DEEP_S0IX_REG,
&suspend_deep_res_exit);
if (ret < 0)
goto out;
@@ -910,8 +914,7 @@ static int __init telemetry_debugfs_init(void)
debugfs_conf = (struct telemetry_debugfs_conf *)id->driver_data;
- err = telemetry_pltconfig_valid();
- if (err < 0) {
+ if (!telemetry_get_pltdata()) {
pr_info("Invalid pltconfig, ensure IPC1 device is enabled in BIOS\n");
return -ENODEV;
}
diff --git a/drivers/platform/x86/intel_telemetry_pltdrv.c b/drivers/platform/x86/intel_telemetry_pltdrv.c
index 987a24e3344e..405dea87de6b 100644
--- a/drivers/platform/x86/intel_telemetry_pltdrv.c
+++ b/drivers/platform/x86/intel_telemetry_pltdrv.c
@@ -15,7 +15,6 @@
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
-#include <asm/intel_pmc_ipc.h>
#include <asm/intel_punit_ipc.h>
#include <asm/intel_telemetry.h>
@@ -35,6 +34,7 @@
#define TELEM_SSRAM_STARTTIME_OFFSET 8
#define TELEM_SSRAM_EVTLOG_OFFSET 16
+#define IOSS_TELEM 0xeb
#define IOSS_TELEM_EVENT_READ 0x0
#define IOSS_TELEM_EVENT_WRITE 0x1
#define IOSS_TELEM_INFO_READ 0x2
@@ -42,9 +42,6 @@
#define IOSS_TELEM_TRACE_CTL_WRITE 0x6
#define IOSS_TELEM_EVENT_CTL_READ 0x7
#define IOSS_TELEM_EVENT_CTL_WRITE 0x8
-#define IOSS_TELEM_EVT_CTRL_WRITE_SIZE 0x4
-#define IOSS_TELEM_READ_WORD 0x1
-#define IOSS_TELEM_WRITE_FOURBYTES 0x4
#define IOSS_TELEM_EVT_WRITE_SIZE 0x3
#define TELEM_INFO_SRAMEVTS_MASK 0xFF00
@@ -250,17 +247,14 @@ static int telemetry_check_evtid(enum telemetry_unit telem_unit,
static inline int telemetry_plt_config_ioss_event(u32 evt_id, int index)
{
u32 write_buf;
- int ret;
write_buf = evt_id | TELEM_EVENT_ENABLE;
write_buf <<= BITS_PER_BYTE;
write_buf |= index;
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_EVENT_WRITE, (u8 *)&write_buf,
- IOSS_TELEM_EVT_WRITE_SIZE, NULL, 0);
-
- return ret;
+ return intel_scu_ipc_dev_command(telm_conf->scu, IOSS_TELEM,
+ IOSS_TELEM_EVENT_WRITE, &write_buf,
+ IOSS_TELEM_EVT_WRITE_SIZE, NULL, 0);
}
static inline int telemetry_plt_config_pss_event(u32 evt_id, int index)
@@ -278,6 +272,7 @@ static inline int telemetry_plt_config_pss_event(u32 evt_id, int index)
static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
enum telemetry_action action)
{
+ struct intel_scu_ipc_dev *scu = telm_conf->scu;
u8 num_ioss_evts, ioss_period;
int ret, index, idx;
u32 *ioss_evtmap;
@@ -288,9 +283,9 @@ static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
ioss_evtmap = evtconfig.evtmap;
/* Get telemetry EVENT CTL */
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
IOSS_TELEM_EVENT_CTL_READ, NULL, 0,
- &telem_ctrl, IOSS_TELEM_READ_WORD);
+ &telem_ctrl, sizeof(telem_ctrl));
if (ret) {
pr_err("IOSS TELEM_CTRL Read Failed\n");
return ret;
@@ -299,11 +294,9 @@ static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
/* Disable Telemetry */
TELEM_DISABLE(telem_ctrl);
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
- NULL, 0);
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
+ IOSS_TELEM_EVENT_CTL_WRITE, &telem_ctrl,
+ sizeof(telem_ctrl), NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
return ret;
@@ -315,10 +308,9 @@ static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
/* Clear All Events */
TELEM_CLEAR_EVENTS(telem_ctrl);
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ &telem_ctrl, sizeof(telem_ctrl),
NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
@@ -344,10 +336,9 @@ static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
/* Clear All Events */
TELEM_CLEAR_EVENTS(telem_ctrl);
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ &telem_ctrl, sizeof(telem_ctrl),
NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
@@ -396,10 +387,9 @@ static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
TELEM_ENABLE_PERIODIC(telem_ctrl);
telem_ctrl |= ioss_period;
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE, NULL, 0);
+ &telem_ctrl, sizeof(telem_ctrl), NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Enable Write Failed\n");
return ret;
@@ -586,8 +576,9 @@ static int telemetry_setup(struct platform_device *pdev)
u32 read_buf, events, event_regs;
int ret;
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY, IOSS_TELEM_INFO_READ,
- NULL, 0, &read_buf, IOSS_TELEM_READ_WORD);
+ ret = intel_scu_ipc_dev_command(telm_conf->scu, IOSS_TELEM,
+ IOSS_TELEM_INFO_READ, NULL, 0,
+ &read_buf, sizeof(read_buf));
if (ret) {
dev_err(&pdev->dev, "IOSS TELEM_INFO Read Failed\n");
return ret;
@@ -681,6 +672,8 @@ static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
mutex_lock(&(telm_conf->telem_lock));
if (ioss_period) {
+ struct intel_scu_ipc_dev *scu = telm_conf->scu;
+
if (TELEM_SAMPLE_PERIOD_INVALID(ioss_period)) {
pr_err("IOSS Sampling Period Out of Range\n");
ret = -EINVAL;
@@ -688,9 +681,9 @@ static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
}
/* Get telemetry EVENT CTL */
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
IOSS_TELEM_EVENT_CTL_READ, NULL, 0,
- &telem_ctrl, IOSS_TELEM_READ_WORD);
+ &telem_ctrl, sizeof(telem_ctrl));
if (ret) {
pr_err("IOSS TELEM_CTRL Read Failed\n");
goto out;
@@ -699,11 +692,10 @@ static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
/* Disable Telemetry */
TELEM_DISABLE(telem_ctrl);
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
- NULL, 0);
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ &telem_ctrl, sizeof(telem_ctrl),
+ NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
goto out;
@@ -715,11 +707,10 @@ static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
TELEM_ENABLE_PERIODIC(telem_ctrl);
telem_ctrl |= ioss_period;
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_EVENT_CTL_WRITE,
- (u8 *)&telem_ctrl,
- IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
- NULL, 0);
+ ret = intel_scu_ipc_dev_command(scu, IOSS_TELEM,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ &telem_ctrl, sizeof(telem_ctrl),
+ NULL, 0);
if (ret) {
pr_err("IOSS TELEM_CTRL Event Enable Write Failed\n");
goto out;
@@ -1014,9 +1005,9 @@ static int telemetry_plt_get_trace_verbosity(enum telemetry_unit telem_unit,
break;
case TELEM_IOSS:
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_TRACE_CTL_READ, NULL, 0, &temp,
- IOSS_TELEM_READ_WORD);
+ ret = intel_scu_ipc_dev_command(telm_conf->scu,
+ IOSS_TELEM, IOSS_TELEM_TRACE_CTL_READ,
+ NULL, 0, &temp, sizeof(temp));
if (ret) {
pr_err("IOSS TRACE_CTL Read Failed\n");
goto out;
@@ -1068,9 +1059,9 @@ static int telemetry_plt_set_trace_verbosity(enum telemetry_unit telem_unit,
break;
case TELEM_IOSS:
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_TRACE_CTL_READ, NULL, 0, &temp,
- IOSS_TELEM_READ_WORD);
+ ret = intel_scu_ipc_dev_command(telm_conf->scu, IOSS_TELEM,
+ IOSS_TELEM_TRACE_CTL_READ,
+ NULL, 0, &temp, sizeof(temp));
if (ret) {
pr_err("IOSS TRACE_CTL Read Failed\n");
goto out;
@@ -1079,9 +1070,9 @@ static int telemetry_plt_set_trace_verbosity(enum telemetry_unit telem_unit,
TELEM_CLEAR_VERBOSITY_BITS(temp);
TELEM_SET_VERBOSITY_BITS(temp, verbosity);
- ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
- IOSS_TELEM_TRACE_CTL_WRITE, (u8 *)&temp,
- IOSS_TELEM_WRITE_FOURBYTES, NULL, 0);
+ ret = intel_scu_ipc_dev_command(telm_conf->scu, IOSS_TELEM,
+ IOSS_TELEM_TRACE_CTL_WRITE,
+ &temp, sizeof(temp), NULL, 0);
if (ret) {
pr_err("IOSS TRACE_CTL Verbosity Set Failed\n");
goto out;
@@ -1124,6 +1115,8 @@ static int telemetry_pltdrv_probe(struct platform_device *pdev)
telm_conf = (struct telemetry_plt_config *)id->driver_data;
+ telm_conf->pmc = dev_get_drvdata(pdev->dev.parent);
+
mem = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(mem))
return PTR_ERR(mem);
@@ -1136,6 +1129,12 @@ static int telemetry_pltdrv_probe(struct platform_device *pdev)
telm_conf->ioss_config.regmap = mem;
+ telm_conf->scu = devm_intel_scu_ipc_dev_get(&pdev->dev);
+ if (!telm_conf->scu) {
+ ret = -EPROBE_DEFER;
+ goto out;
+ }
+
mutex_init(&telm_conf->telem_lock);
mutex_init(&telm_conf->telem_trace_lock);
diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c
index c0bb1f864dfe..dd900a76d8de 100644
--- a/drivers/platform/x86/lg-laptop.c
+++ b/drivers/platform/x86/lg-laptop.c
@@ -67,9 +67,7 @@ static u32 inited;
#define INIT_INPUT_WMI_0 0x01
#define INIT_INPUT_WMI_2 0x02
#define INIT_INPUT_ACPI 0x04
-#define INIT_TPAD_LED 0x08
-#define INIT_KBD_LED 0x10
-#define INIT_SPARSE_KEYMAP 0x80
+#define INIT_SPARSE_KEYMAP 0x80
static const struct key_entry wmi_keymap[] = {
{KE_KEY, 0x70, {KEY_F15} }, /* LG control panel (F1) */
@@ -626,11 +624,9 @@ static int acpi_add(struct acpi_device *device)
if (ret)
goto out_platform_device;
- if (!led_classdev_register(&pf_device->dev, &kbd_backlight))
- inited |= INIT_KBD_LED;
-
- if (!led_classdev_register(&pf_device->dev, &tpad_led))
- inited |= INIT_TPAD_LED;
+ /* LEDs are optional */
+ led_classdev_register(&pf_device->dev, &kbd_backlight);
+ led_classdev_register(&pf_device->dev, &tpad_led);
wmi_input_setup();
@@ -646,11 +642,9 @@ out_platform_registered:
static int acpi_remove(struct acpi_device *device)
{
sysfs_remove_group(&pf_device->dev.kobj, &dev_attribute_group);
- if (inited & INIT_KBD_LED)
- led_classdev_unregister(&kbd_backlight);
- if (inited & INIT_TPAD_LED)
- led_classdev_unregister(&tpad_led);
+ led_classdev_unregister(&tpad_led);
+ led_classdev_unregister(&kbd_backlight);
wmi_input_destroy();
platform_device_unregister(pf_device);
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index 23e40aa2176e..d5cec6e35bb8 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1138,8 +1138,7 @@ static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
static void samsung_leds_exit(struct samsung_laptop *samsung)
{
- if (!IS_ERR_OR_NULL(samsung->kbd_led.dev))
- led_classdev_unregister(&samsung->kbd_led);
+ led_classdev_unregister(&samsung->kbd_led);
if (samsung->led_workqueue)
destroy_workqueue(samsung->led_workqueue);
}
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 51309f7ceede..e5a1b5533408 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -757,33 +757,6 @@ static union acpi_object *__call_snc_method(acpi_handle handle, char *method,
return result;
}
-static int sony_nc_int_call(acpi_handle handle, char *name, int *value,
- int *result)
-{
- union acpi_object *object = NULL;
- if (value) {
- u64 v = *value;
- object = __call_snc_method(handle, name, &v);
- } else
- object = __call_snc_method(handle, name, NULL);
-
- if (!object)
- return -EINVAL;
-
- if (object->type != ACPI_TYPE_INTEGER) {
- pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
- ACPI_TYPE_INTEGER, object->type);
- kfree(object);
- return -EINVAL;
- }
-
- if (result)
- *result = object->integer.value;
-
- kfree(object);
- return 0;
-}
-
#define MIN(a, b) (a > b ? b : a)
static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
void *buffer, size_t buflen)
@@ -795,17 +768,20 @@ static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
if (!object)
return -EINVAL;
- if (object->type == ACPI_TYPE_BUFFER) {
+ if (!buffer) {
+ /* do nothing */
+ } else if (object->type == ACPI_TYPE_BUFFER) {
len = MIN(buflen, object->buffer.length);
+ memset(buffer, 0, buflen);
memcpy(buffer, object->buffer.pointer, len);
} else if (object->type == ACPI_TYPE_INTEGER) {
len = MIN(buflen, sizeof(object->integer.value));
+ memset(buffer, 0, buflen);
memcpy(buffer, &object->integer.value, len);
} else {
- pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n",
- ACPI_TYPE_BUFFER, object->type);
+ pr_warn("Unexpected acpi_object: 0x%x\n", object->type);
ret = -EINVAL;
}
@@ -813,6 +789,23 @@ static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value,
return ret;
}
+static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int
+ *result)
+{
+ int ret;
+
+ if (value) {
+ u64 v = *value;
+
+ ret = sony_nc_buffer_call(handle, name, &v, result,
+ sizeof(*result));
+ } else {
+ ret = sony_nc_buffer_call(handle, name, NULL, result,
+ sizeof(*result));
+ }
+ return ret;
+}
+
struct sony_nc_handles {
u16 cap[0x10];
struct device_attribute devattr;
@@ -2295,7 +2288,12 @@ static void sony_nc_thermal_cleanup(struct platform_device *pd)
#ifdef CONFIG_PM_SLEEP
static void sony_nc_thermal_resume(void)
{
- unsigned int status = sony_nc_thermal_mode_get();
+ int status;
+
+ if (!th_handle)
+ return;
+
+ status = sony_nc_thermal_mode_get();
if (status != th_handle->mode)
sony_nc_thermal_mode_set(th_handle->mode);
diff --git a/drivers/platform/x86/surface3_power.c b/drivers/platform/x86/surface3_power.c
index 946ac2dc08ae..cc4f9cba6856 100644
--- a/drivers/platform/x86/surface3_power.c
+++ b/drivers/platform/x86/surface3_power.c
@@ -522,8 +522,8 @@ static int mshw0011_probe(struct i2c_client *client)
strlcpy(board_info.type, "MSHW0011-bat0", I2C_NAME_SIZE);
bat0 = i2c_acpi_new_device(dev, 1, &board_info);
- if (!bat0)
- return -ENOMEM;
+ if (IS_ERR(bat0))
+ return PTR_ERR(bat0);
data->bat0 = bat0;
i2c_set_clientdata(bat0, data);
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 8eaadbaf8ffa..ff7f0a4f2475 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -318,6 +318,7 @@ static struct {
u32 uwb:1;
u32 fan_ctrl_status_undef:1;
u32 second_fan:1;
+ u32 second_fan_ctl:1;
u32 beep_needs_two_args:1;
u32 mixer_no_level_control:1;
u32 battery_force_primary:1;
@@ -884,20 +885,11 @@ static ssize_t dispatch_proc_write(struct file *file,
if (!ibm || !ibm->write)
return -EINVAL;
- if (count > PAGE_SIZE - 2)
- return -EINVAL;
-
- kernbuf = kmalloc(count + 2, GFP_KERNEL);
- if (!kernbuf)
- return -ENOMEM;
- if (copy_from_user(kernbuf, userbuf, count)) {
- kfree(kernbuf);
- return -EFAULT;
- }
+ kernbuf = strndup_user(userbuf, PAGE_SIZE);
+ if (IS_ERR(kernbuf))
+ return PTR_ERR(kernbuf);
- kernbuf[count] = 0;
- strcat(kernbuf, ",");
ret = ibm->write(kernbuf);
if (ret == 0)
ret = count;
@@ -915,23 +907,6 @@ static const struct proc_ops dispatch_proc_ops = {
.proc_write = dispatch_proc_write,
};
-static char *next_cmd(char **cmds)
-{
- char *start = *cmds;
- char *end;
-
- while ((end = strchr(start, ',')) && end == start)
- start = end + 1;
-
- if (!end)
- return NULL;
-
- *end = 0;
- *cmds = end + 1;
- return start;
-}
-
-
/****************************************************************************
****************************************************************************
*
@@ -1422,7 +1397,7 @@ static int tpacpi_rfk_procfs_write(const enum tpacpi_rfk_id id, char *buf)
if (id >= TPACPI_RFK_SW_MAX)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (strlencmp(cmd, "enable") == 0)
status = TPACPI_RFK_RADIO_ON;
else if (strlencmp(cmd, "disable") == 0)
@@ -4305,7 +4280,7 @@ static int hotkey_write(char *buf)
mask = hotkey_user_mask;
res = 0;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (strlencmp(cmd, "enable") == 0) {
hotkey_enabledisable_warn(1);
} else if (strlencmp(cmd, "disable") == 0) {
@@ -5232,7 +5207,7 @@ static int video_write(char *buf)
enable = 0;
disable = 0;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (strlencmp(cmd, "lcd_enable") == 0) {
enable |= TP_ACPI_VIDEO_S_LCD;
} else if (strlencmp(cmd, "lcd_disable") == 0) {
@@ -5433,8 +5408,7 @@ static int __init kbdlight_init(struct ibm_init_struct *iibm)
static void kbdlight_exit(void)
{
- if (tp_features.kbdlight)
- led_classdev_unregister(&tpacpi_led_kbdlight.led_classdev);
+ led_classdev_unregister(&tpacpi_led_kbdlight.led_classdev);
}
static int kbdlight_set_level_and_update(int level)
@@ -5472,23 +5446,18 @@ static int kbdlight_read(struct seq_file *m)
static int kbdlight_write(char *buf)
{
char *cmd;
- int level = -1;
+ int res, level = -EINVAL;
if (!tp_features.kbdlight)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "0") == 0)
- level = 0;
- else if (strlencmp(cmd, "1") == 0)
- level = 1;
- else if (strlencmp(cmd, "2") == 0)
- level = 2;
- else
- return -EINVAL;
+ while ((cmd = strsep(&buf, ","))) {
+ res = kstrtoint(cmd, 10, &level);
+ if (res < 0)
+ return res;
}
- if (level == -1)
+ if (level >= 3 || level < 0)
return -EINVAL;
return kbdlight_set_level_and_update(level);
@@ -5657,7 +5626,7 @@ static int light_write(char *buf)
if (!tp_features.light)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (strlencmp(cmd, "on") == 0) {
newstatus = 1;
} else if (strlencmp(cmd, "off") == 0) {
@@ -5742,7 +5711,7 @@ static int cmos_write(char *buf)
char *cmd;
int cmos_cmd, res;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (sscanf(cmd, "%u", &cmos_cmd) == 1 &&
cmos_cmd >= 0 && cmos_cmd <= 21) {
/* cmos_cmd set */
@@ -5948,20 +5917,14 @@ static void led_exit(void)
{
unsigned int i;
- for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
- if (tpacpi_leds[i].led_classdev.name)
- led_classdev_unregister(&tpacpi_leds[i].led_classdev);
- }
+ for (i = 0; i < TPACPI_LED_NUMLEDS; i++)
+ led_classdev_unregister(&tpacpi_leds[i].led_classdev);
kfree(tpacpi_leds);
}
static int __init tpacpi_init_led(unsigned int led)
{
- int rc;
-
- tpacpi_leds[led].led = led;
-
/* LEDs with no name don't get registered */
if (!tpacpi_led_names[led])
return 0;
@@ -5969,17 +5932,12 @@ static int __init tpacpi_init_led(unsigned int led)
tpacpi_leds[led].led_classdev.brightness_set_blocking = &led_sysfs_set;
tpacpi_leds[led].led_classdev.blink_set = &led_sysfs_blink_set;
if (led_supported == TPACPI_LED_570)
- tpacpi_leds[led].led_classdev.brightness_get =
- &led_sysfs_get;
+ tpacpi_leds[led].led_classdev.brightness_get = &led_sysfs_get;
tpacpi_leds[led].led_classdev.name = tpacpi_led_names[led];
+ tpacpi_leds[led].led = led;
- rc = led_classdev_register(&tpacpi_pdev->dev,
- &tpacpi_leds[led].led_classdev);
- if (rc < 0)
- tpacpi_leds[led].led_classdev.name = NULL;
-
- return rc;
+ return led_classdev_register(&tpacpi_pdev->dev, &tpacpi_leds[led].led_classdev);
}
static const struct tpacpi_quirk led_useful_qtable[] __initconst = {
@@ -6089,8 +6047,7 @@ static int __init led_init(struct ibm_init_struct *iibm)
for (i = 0; i < TPACPI_LED_NUMLEDS; i++) {
tpacpi_leds[i].led = -1;
- if (!tpacpi_is_led_restricted(i) &&
- test_bit(i, &useful_leds)) {
+ if (!tpacpi_is_led_restricted(i) && test_bit(i, &useful_leds)) {
rc = tpacpi_init_led(i);
if (rc < 0) {
led_exit();
@@ -6143,12 +6100,14 @@ static int led_write(char *buf)
if (!led_supported)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (sscanf(cmd, "%d", &led) != 1)
return -EINVAL;
- if (led < 0 || led > (TPACPI_LED_NUMLEDS - 1) ||
- tpacpi_leds[led].led < 0)
+ if (led < 0 || led > (TPACPI_LED_NUMLEDS - 1))
+ return -ENODEV;
+
+ if (tpacpi_leds[led].led < 0)
return -ENODEV;
if (strstr(cmd, "off")) {
@@ -6228,7 +6187,7 @@ static int beep_write(char *buf)
if (!beep_handle)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (sscanf(cmd, "%u", &beep_cmd) == 1 &&
beep_cmd >= 0 && beep_cmd <= 17) {
/* beep_cmd set */
@@ -7116,7 +7075,7 @@ static int brightness_write(char *buf)
if (level < 0)
return level;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (strlencmp(cmd, "up") == 0) {
if (level < bright_maxlvl)
level++;
@@ -7868,7 +7827,7 @@ static int volume_write(char *buf)
new_level = s & TP_EC_AUDIO_LVL_MSK;
new_mute = s & TP_EC_AUDIO_MUTESW_MSK;
- while ((cmd = next_cmd(&buf))) {
+ while ((cmd = strsep(&buf, ","))) {
if (!tp_features.mixer_no_level_control) {
if (strlencmp(cmd, "up") == 0) {
if (new_mute)
@@ -8324,11 +8283,19 @@ static int fan_set_level(int level)
switch (fan_control_access_mode) {
case TPACPI_FAN_WR_ACPI_SFAN:
- if (level >= 0 && level <= 7) {
- if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level))
- return -EIO;
- } else
+ if ((level < 0) || (level > 7))
return -EINVAL;
+
+ if (tp_features.second_fan_ctl) {
+ if (!fan_select_fan2() ||
+ !acpi_evalf(sfan_handle, NULL, NULL, "vd", level)) {
+ pr_warn("Couldn't set 2nd fan level, disabling support\n");
+ tp_features.second_fan_ctl = 0;
+ }
+ fan_select_fan1();
+ }
+ if (!acpi_evalf(sfan_handle, NULL, NULL, "vd", level))
+ return -EIO;
break;
case TPACPI_FAN_WR_ACPI_FANS:
@@ -8345,6 +8312,15 @@ static int fan_set_level(int level)
else if (level & TP_EC_FAN_AUTO)
level |= 4; /* safety min speed 4 */
+ if (tp_features.second_fan_ctl) {
+ if (!fan_select_fan2() ||
+ !acpi_ec_write(fan_status_offset, level)) {
+ pr_warn("Couldn't set 2nd fan level, disabling support\n");
+ tp_features.second_fan_ctl = 0;
+ }
+ fan_select_fan1();
+
+ }
if (!acpi_ec_write(fan_status_offset, level))
return -EIO;
else
@@ -8763,6 +8739,7 @@ static const struct attribute_group fan_attr_group = {
#define TPACPI_FAN_Q1 0x0001 /* Unitialized HFSP */
#define TPACPI_FAN_2FAN 0x0002 /* EC 0x31 bit 0 selects fan2 */
+#define TPACPI_FAN_2CTL 0x0004 /* selects fan2 control */
static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
TPACPI_QEC_IBM('1', 'Y', TPACPI_FAN_Q1),
@@ -8771,6 +8748,13 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = {
TPACPI_QEC_IBM('7', '0', TPACPI_FAN_Q1),
TPACPI_QEC_LNV('7', 'M', TPACPI_FAN_2FAN),
TPACPI_Q_LNV('N', '1', TPACPI_FAN_2FAN),
+ TPACPI_Q_LNV3('N', '1', 'D', TPACPI_FAN_2CTL), /* P70 */
+ TPACPI_Q_LNV3('N', '1', 'E', TPACPI_FAN_2CTL), /* P50 */
+ TPACPI_Q_LNV3('N', '1', 'T', TPACPI_FAN_2CTL), /* P71 */
+ TPACPI_Q_LNV3('N', '1', 'U', TPACPI_FAN_2CTL), /* P51 */
+ TPACPI_Q_LNV3('N', '2', 'C', TPACPI_FAN_2CTL), /* P52 / P72 */
+ TPACPI_Q_LNV3('N', '2', 'E', TPACPI_FAN_2CTL), /* P1 / X1 Extreme (1st gen) */
+ TPACPI_Q_LNV3('N', '2', 'O', TPACPI_FAN_2CTL), /* P1 / X1 Extreme (2nd gen) */
};
static int __init fan_init(struct ibm_init_struct *iibm)
@@ -8788,6 +8772,7 @@ static int __init fan_init(struct ibm_init_struct *iibm)
fan_watchdog_maxinterval = 0;
tp_features.fan_ctrl_status_undef = 0;
tp_features.second_fan = 0;
+ tp_features.second_fan_ctl = 0;
fan_control_desired_level = 7;
if (tpacpi_is_ibm()) {
@@ -8812,8 +8797,12 @@ static int __init fan_init(struct ibm_init_struct *iibm)
fan_quirk1_setup();
if (quirks & TPACPI_FAN_2FAN) {
tp_features.second_fan = 1;
- dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN,
- "secondary fan support enabled\n");
+ pr_info("secondary fan support enabled\n");
+ }
+ if (quirks & TPACPI_FAN_2CTL) {
+ tp_features.second_fan = 1;
+ tp_features.second_fan_ctl = 1;
+ pr_info("secondary fan control enabled\n");
}
} else {
pr_err("ThinkPad ACPI EC access misbehaving, fan status and control unavailable\n");
@@ -9148,7 +9137,7 @@ static int fan_write(char *buf)
char *cmd;
int rc = 0;
- while (!rc && (cmd = next_cmd(&buf))) {
+ while (!rc && (cmd = strsep(&buf, ","))) {
if (!((fan_control_commands & TPACPI_FAN_CMD_LEVEL) &&
fan_write_cmd_level(cmd, &rc)) &&
!((fan_control_commands & TPACPI_FAN_CMD_ENABLE) &&
@@ -9271,10 +9260,8 @@ static int mute_led_init(struct ibm_init_struct *iibm)
mute_led_cdev[i].brightness = ledtrig_audio_get(i);
err = led_classdev_register(&tpacpi_pdev->dev, &mute_led_cdev[i]);
if (err < 0) {
- while (i--) {
- if (led_tables[i].state >= 0)
- led_classdev_unregister(&mute_led_cdev[i]);
- }
+ while (i--)
+ led_classdev_unregister(&mute_led_cdev[i]);
return err;
}
}
@@ -9286,10 +9273,8 @@ static void mute_led_exit(void)
int i;
for (i = 0; i < TPACPI_LED_MAX; i++) {
- if (led_tables[i].state >= 0) {
- led_classdev_unregister(&mute_led_cdev[i]);
- tpacpi_led_set(i, false);
- }
+ led_classdev_unregister(&mute_led_cdev[i]);
+ tpacpi_led_set(i, false);
}
}
@@ -9548,7 +9533,7 @@ static ssize_t tpacpi_battery_store(int what,
if (!battery_info.batteries[battery].start_support)
return -ENODEV;
/* valid values are [0, 99] */
- if (value < 0 || value > 99)
+ if (value > 99)
return -EINVAL;
if (value > battery_info.batteries[battery].charge_stop)
return -EINVAL;
@@ -9786,19 +9771,18 @@ static int lcdshadow_read(struct seq_file *m)
static int lcdshadow_write(char *buf)
{
char *cmd;
- int state = -1;
+ int res, state = -EINVAL;
if (lcdshadow_state < 0)
return -ENODEV;
- while ((cmd = next_cmd(&buf))) {
- if (strlencmp(cmd, "0") == 0)
- state = 0;
- else if (strlencmp(cmd, "1") == 0)
- state = 1;
+ while ((cmd = strsep(&buf, ","))) {
+ res = kstrtoint(cmd, 10, &state);
+ if (res < 0)
+ return res;
}
- if (state == -1)
+ if (state >= 2 || state < 0)
return -EINVAL;
return lcdshadow_set(state);
@@ -10314,10 +10298,9 @@ static int __init set_ibm_param(const char *val, const struct kernel_param *kp)
continue;
if (strcmp(ibm->name, kp->name) == 0 && ibm->write) {
- if (strlen(val) > sizeof(ibms_init[i].param) - 2)
+ if (strlen(val) > sizeof(ibms_init[i].param) - 1)
return -ENOSPC;
strcpy(ibms_init[i].param, val);
- strcat(ibms_init[i].param, ",");
return 0;
}
}
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 808944546739..1ddab5a6dead 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -205,9 +205,6 @@ struct toshiba_acpi_dev {
unsigned int special_functions;
bool kbd_event_generated;
- bool kbd_led_registered;
- bool illumination_led_registered;
- bool eco_led_registered;
bool killswitch;
};
@@ -458,7 +455,6 @@ static void toshiba_illumination_available(struct toshiba_acpi_dev *dev)
acpi_status status;
dev->illumination_supported = 0;
- dev->illumination_led_registered = false;
if (!sci_open(dev))
return;
@@ -528,7 +524,6 @@ static void toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev)
acpi_status status;
dev->kbd_illum_supported = 0;
- dev->kbd_led_registered = false;
dev->kbd_event_generated = false;
if (!sci_open(dev))
@@ -673,7 +668,6 @@ static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
acpi_status status;
dev->eco_supported = 0;
- dev->eco_led_registered = false;
status = tci_raw(dev, in, out);
if (ACPI_FAILURE(status)) {
@@ -2993,14 +2987,9 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev)
backlight_device_unregister(dev->backlight_dev);
- if (dev->illumination_led_registered)
- led_classdev_unregister(&dev->led_dev);
-
- if (dev->kbd_led_registered)
- led_classdev_unregister(&dev->kbd_led);
-
- if (dev->eco_led_registered)
- led_classdev_unregister(&dev->eco_led);
+ led_classdev_unregister(&dev->led_dev);
+ led_classdev_unregister(&dev->kbd_led);
+ led_classdev_unregister(&dev->eco_led);
if (dev->wwan_rfk) {
rfkill_unregister(dev->wwan_rfk);
@@ -3092,8 +3081,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
dev->led_dev.max_brightness = 1;
dev->led_dev.brightness_set = toshiba_illumination_set;
dev->led_dev.brightness_get = toshiba_illumination_get;
- if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev))
- dev->illumination_led_registered = true;
+ led_classdev_register(&acpi_dev->dev, &dev->led_dev);
}
toshiba_eco_mode_available(dev);
@@ -3102,8 +3090,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
dev->eco_led.max_brightness = 1;
dev->eco_led.brightness_set = toshiba_eco_mode_set_status;
dev->eco_led.brightness_get = toshiba_eco_mode_get_status;
- if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led))
- dev->eco_led_registered = true;
+ led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led);
}
toshiba_kbd_illum_available(dev);
@@ -3119,8 +3106,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev)
dev->kbd_led.max_brightness = 1;
dev->kbd_led.brightness_set = toshiba_kbd_backlight_set;
dev->kbd_led.brightness_get = toshiba_kbd_backlight_get;
- if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led))
- dev->kbd_led_registered = true;
+ led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led);
}
ret = toshiba_touchpad_get(dev, &dummy);
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 6ec8923dec1a..5c223015ee71 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -373,6 +373,23 @@ static const struct ts_dmi_data jumper_ezpad_mini3_data = {
.properties = jumper_ezpad_mini3_props,
};
+static const struct property_entry mpman_mpwin895cl_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-min-x", 3),
+ PROPERTY_ENTRY_U32("touchscreen-min-y", 9),
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1728),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1150),
+ PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+ PROPERTY_ENTRY_STRING("firmware-name", "gsl3680-mpman-mpwin895cl.fw"),
+ PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ PROPERTY_ENTRY_BOOL("silead,home-button"),
+ { }
+};
+
+static const struct ts_dmi_data mpman_mpwin895cl_data = {
+ .acpi_name = "MSSL1680:00",
+ .properties = mpman_mpwin895cl_props,
+};
+
static const struct property_entry myria_my8307_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1720),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
@@ -448,6 +465,24 @@ static const struct ts_dmi_data onda_v820w_32g_data = {
.properties = onda_v820w_32g_props,
};
+static const struct property_entry onda_v891_v5_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1715),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1140),
+ PROPERTY_ENTRY_BOOL("touchscreen-inverted-x"),
+ PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+ PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
+ PROPERTY_ENTRY_STRING("firmware-name",
+ "gsl3676-onda-v891-v5.fw"),
+ PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ PROPERTY_ENTRY_BOOL("silead,home-button"),
+ { }
+};
+
+static const struct ts_dmi_data onda_v891_v5_data = {
+ .acpi_name = "MSSL1680:00",
+ .properties = onda_v891_v5_props,
+};
+
static const struct property_entry onda_v891w_v1_props[] = {
PROPERTY_ENTRY_U32("touchscreen-min-x", 46),
PROPERTY_ENTRY_U32("touchscreen-min-y", 8),
@@ -588,6 +623,22 @@ static const struct ts_dmi_data schneider_sct101ctm_data = {
.properties = schneider_sct101ctm_props,
};
+static const struct property_entry techbite_arc_11_6_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-min-x", 5),
+ PROPERTY_ENTRY_U32("touchscreen-min-y", 7),
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1981),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1270),
+ PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+ PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-techbite-arc-11-6.fw"),
+ PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ { }
+};
+
+static const struct ts_dmi_data techbite_arc_11_6_data = {
+ .acpi_name = "MSSL1680:00",
+ .properties = techbite_arc_11_6_props,
+};
+
static const struct property_entry teclast_x3_plus_props[] = {
PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
@@ -662,11 +713,14 @@ static const struct ts_dmi_data trekstor_primetab_t13b_data = {
};
static const struct property_entry trekstor_surftab_twin_10_1_props[] = {
- PROPERTY_ENTRY_U32("touchscreen-size-x", 1900),
+ PROPERTY_ENTRY_U32("touchscreen-min-x", 20),
+ PROPERTY_ENTRY_U32("touchscreen-min-y", 0),
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1890),
PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
PROPERTY_ENTRY_U32("touchscreen-inverted-y", 1),
PROPERTY_ENTRY_STRING("firmware-name", "gsl3670-surftab-twin-10-1-st10432-8.fw"),
PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ PROPERTY_ENTRY_BOOL("silead,home-button"),
{ }
};
@@ -691,6 +745,20 @@ static const struct ts_dmi_data trekstor_surftab_wintron70_data = {
.properties = trekstor_surftab_wintron70_props,
};
+static const struct property_entry vinga_twizzle_j116_props[] = {
+ PROPERTY_ENTRY_U32("touchscreen-size-x", 1920),
+ PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
+ PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-vinga-twizzle_j116.fw"),
+ PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+ PROPERTY_ENTRY_BOOL("silead,home-button"),
+ { }
+};
+
+static const struct ts_dmi_data vinga_twizzle_j116_data = {
+ .acpi_name = "MSSL1680:00",
+ .properties = vinga_twizzle_j116_props,
+};
+
/* NOTE: Please keep this table sorted alphabetically */
const struct dmi_system_id touchscreen_dmi_table[] = {
{
@@ -909,6 +977,14 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* MP Man MPWIN895CL */
+ .driver_data = (void *)&mpman_mpwin895cl_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MPWIN8900CL"),
+ },
+ },
+ {
/* Myria MY8307 */
.driver_data = (void *)&myria_my8307_data,
.matches = {
@@ -941,6 +1017,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* ONDA V891 v5 */
+ .driver_data = (void *)&onda_v891_v5_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ONDA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ONDA Tablet"),
+ DMI_MATCH(DMI_BIOS_VERSION, "ONDA.D869CJABNRBA06"),
+ },
+ },
+ {
/* ONDA V891w revision P891WBEBV1B00 aka v1 */
.driver_data = (void *)&onda_v891w_v1_data,
.matches = {
@@ -1030,6 +1115,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* Techbite Arc 11.6 */
+ .driver_data = (void *)&techbite_arc_11_6_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "mPTech"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "techBite Arc 11.6"),
+ DMI_MATCH(DMI_BOARD_NAME, "G8316_272B"),
+ },
+ },
+ {
/* Teclast X3 Plus */
.driver_data = (void *)&teclast_x3_plus_data,
.matches = {
@@ -1107,6 +1201,21 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* Trekstor Yourbook C11B (same touchscreen as the Primebook C11) */
+ .driver_data = (void *)&trekstor_primebook_c11_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "YOURBOOK C11B"),
+ },
+ },
+ {
+ /* Vinga Twizzle J116 */
+ .driver_data = (void *)&vinga_twizzle_j116_data,
+ .matches = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "VINGA Twizzle J116"),
+ },
+ },
+ {
/* Yours Y8W81, same case and touchscreen as Chuwi Vi8 */
.driver_data = (void *)&chuwi_vi8_data,
.matches = {
@@ -1114,7 +1223,7 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Y8W81"),
},
},
- { },
+ { }
};
static const struct ts_dmi_data *ts_data;
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 941739db7199..d88f388a3450 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -111,11 +111,11 @@ static struct platform_driver acpi_wmi_driver = {
static bool find_guid(const char *guid_string, struct wmi_block **out)
{
- uuid_le guid_input;
+ guid_t guid_input;
struct wmi_block *wblock;
struct guid_block *block;
- if (uuid_le_to_bin(guid_string, &guid_input))
+ if (guid_parse(guid_string, &guid_input))
return false;
list_for_each_entry(wblock, &wmi_block_list, list) {
@@ -134,7 +134,7 @@ static const void *find_guid_context(struct wmi_block *wblock,
struct wmi_driver *wdriver)
{
const struct wmi_device_id *id;
- uuid_le guid_input;
+ guid_t guid_input;
if (wblock == NULL || wdriver == NULL)
return NULL;
@@ -143,7 +143,7 @@ static const void *find_guid_context(struct wmi_block *wblock,
id = wdriver->id_table;
while (*id->guid_string) {
- if (uuid_le_to_bin(id->guid_string, &guid_input))
+ if (guid_parse(id->guid_string, &guid_input))
continue;
if (!memcmp(wblock->gblock.guid, &guid_input, 16))
return id->context;
@@ -202,7 +202,7 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable)
/**
* set_required_buffer_size - Sets the buffer size needed for performing IOCTL
* @wdev: A wmi bus device from a driver
- * @instance: Instance index
+ * @length: Required buffer size
*
* Allocates memory needed for buffer, stores the buffer size in that memory
*/
@@ -222,8 +222,8 @@ EXPORT_SYMBOL_GPL(set_required_buffer_size);
* @guid_string: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
* @instance: Instance index
* @method_id: Method ID to call
- * &in: Buffer containing input for the method call
- * &out: Empty buffer to return the method results
+ * @in: Buffer containing input for the method call
+ * @out: Empty buffer to return the method results
*
* Call an ACPI-WMI method
*/
@@ -244,8 +244,8 @@ EXPORT_SYMBOL_GPL(wmi_evaluate_method);
* @wdev: A wmi bus device from a driver
* @instance: Instance index
* @method_id: Method ID to call
- * &in: Buffer containing input for the method call
- * &out: Empty buffer to return the method results
+ * @in: Buffer containing input for the method call
+ * @out: Empty buffer to return the method results
*
* Call an ACPI-WMI method
*/
@@ -364,7 +364,7 @@ static acpi_status __query_block(struct wmi_block *wblock, u8 instance,
* wmi_query_block - Return contents of a WMI block (deprecated)
* @guid_string: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
* @instance: Instance index
- * &out: Empty buffer to return the contents of the data block to
+ * @out: Empty buffer to return the contents of the data block to
*
* Return the contents of an ACPI-WMI data block to a buffer
*/
@@ -399,7 +399,7 @@ EXPORT_SYMBOL_GPL(wmidev_block_query);
* wmi_set_block - Write to a WMI block
* @guid_string: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
* @instance: Instance index
- * &in: Buffer containing new values for the data block
+ * @in: Buffer containing new values for the data block
*
* Write the contents of the input buffer to an ACPI-WMI data block
*/
@@ -510,6 +510,7 @@ static void wmi_notify_debug(u32 value, void *context)
/**
* wmi_install_notify_handler - Register handler for WMI events
+ * @guid: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
* @handler: Function to handle notifications
* @data: Data to be returned to handler when event is fired
*
@@ -520,12 +521,12 @@ wmi_notify_handler handler, void *data)
{
struct wmi_block *block;
acpi_status status = AE_NOT_EXIST;
- uuid_le guid_input;
+ guid_t guid_input;
if (!guid || !handler)
return AE_BAD_PARAMETER;
- if (uuid_le_to_bin(guid, &guid_input))
+ if (guid_parse(guid, &guid_input))
return AE_BAD_PARAMETER;
list_for_each_entry(block, &wmi_block_list, list) {
@@ -552,6 +553,7 @@ EXPORT_SYMBOL_GPL(wmi_install_notify_handler);
/**
* wmi_uninstall_notify_handler - Unregister handler for WMI events
+ * @guid: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba
*
* Unregister handler for events sent to the ACPI-WMI mapper device.
*/
@@ -559,12 +561,12 @@ acpi_status wmi_remove_notify_handler(const char *guid)
{
struct wmi_block *block;
acpi_status status = AE_NOT_EXIST;
- uuid_le guid_input;
+ guid_t guid_input;
if (!guid)
return AE_BAD_PARAMETER;
- if (uuid_le_to_bin(guid, &guid_input))
+ if (guid_parse(guid, &guid_input))
return AE_BAD_PARAMETER;
list_for_each_entry(block, &wmi_block_list, list) {
@@ -795,9 +797,9 @@ static int wmi_dev_match(struct device *dev, struct device_driver *driver)
return 0;
while (*id->guid_string) {
- uuid_le driver_guid;
+ guid_t driver_guid;
- if (WARN_ON(uuid_le_to_bin(id->guid_string, &driver_guid)))
+ if (WARN_ON(guid_parse(id->guid_string, &driver_guid)))
continue;
if (!memcmp(&driver_guid, wblock->gblock.guid, 16))
return 1;
@@ -1116,8 +1118,7 @@ static void wmi_free_devices(struct acpi_device *device)
}
}
-static bool guid_already_parsed(struct acpi_device *device,
- const u8 *guid)
+static bool guid_already_parsed(struct acpi_device *device, const u8 *guid)
{
struct wmi_block *wblock;
@@ -1327,10 +1328,8 @@ static void acpi_wmi_notify_handler(acpi_handle handle, u32 event,
wblock->handler(event, wblock->handler_data);
}
- if (debug_event) {
- pr_info("DEBUG Event GUID: %pUL\n",
- wblock->gblock.guid);
- }
+ if (debug_event)
+ pr_info("DEBUG Event GUID: %pUL\n", wblock->gblock.guid);
acpi_bus_generate_netlink_event(
wblock->acpi_device->pnp.device_class,
diff --git a/drivers/platform/x86/xiaomi-wmi.c b/drivers/platform/x86/xiaomi-wmi.c
index 601cbb282f54..54a2546bb93b 100644
--- a/drivers/platform/x86/xiaomi-wmi.c
+++ b/drivers/platform/x86/xiaomi-wmi.c
@@ -23,7 +23,7 @@ struct xiaomi_wmi {
unsigned int key_code;
};
-int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
+static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
{
struct xiaomi_wmi *data;
@@ -48,7 +48,7 @@ int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
return input_register_device(data->input_dev);
}
-void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
+static void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
{
struct xiaomi_wmi *data;
diff --git a/drivers/pnp/pnpbios/pnpbios.h b/drivers/pnp/pnpbios/pnpbios.h
index 37acb8378f39..2ce739ff9c1a 100644
--- a/drivers/pnp/pnpbios/pnpbios.h
+++ b/drivers/pnp/pnpbios/pnpbios.h
@@ -107,7 +107,7 @@ struct pnp_bios_node {
__u32 eisa_id;
__u8 type_code[3];
__u16 flags;
- __u8 data[0];
+ __u8 data[];
};
#pragma pack()
diff --git a/drivers/power/supply/bd70528-charger.c b/drivers/power/supply/bd70528-charger.c
index b8e1ec106627..3b820110ecfa 100644
--- a/drivers/power/supply/bd70528-charger.c
+++ b/drivers/power/supply/bd70528-charger.c
@@ -335,14 +335,14 @@ static int bd70528_get_present(struct bd70528_psy *bdpsy, int *val)
return 0;
}
-struct linear_range {
+struct bd70528_linear_range {
int min;
int step;
int vals;
int low_sel;
};
-static const struct linear_range current_limit_ranges[] = {
+static const struct bd70528_linear_range current_limit_ranges[] = {
{
.min = 5,
.step = 1,
@@ -374,7 +374,7 @@ static const struct linear_range current_limit_ranges[] = {
* voltage for low temperatures. The driver currently only reads
* the charge current at room temperature. We do set both though.
*/
-static const struct linear_range warm_charge_curr[] = {
+static const struct bd70528_linear_range warm_charge_curr[] = {
{
.min = 10,
.step = 10,
@@ -398,7 +398,7 @@ static const struct linear_range warm_charge_curr[] = {
#define MAX_WARM_CHG_CURR_SEL 0x1f
#define MIN_CHG_CURR_SEL 0x0
-static int find_value_for_selector_low(const struct linear_range *r,
+static int find_value_for_selector_low(const struct bd70528_linear_range *r,
int selectors, unsigned int sel,
unsigned int *val)
{
@@ -420,7 +420,7 @@ static int find_value_for_selector_low(const struct linear_range *r,
* I guess it is enough if we use voltage/current which is closest (below)
* the requested?
*/
-static int find_selector_for_value_low(const struct linear_range *r,
+static int find_selector_for_value_low(const struct bd70528_linear_range *r,
int selectors, unsigned int val,
unsigned int *sel, bool *found)
{
diff --git a/drivers/power/supply/test_power.c b/drivers/power/supply/test_power.c
index 65c23ef6408d..b3c05ff05783 100644
--- a/drivers/power/supply/test_power.c
+++ b/drivers/power/supply/test_power.c
@@ -16,7 +16,7 @@
#include <linux/power_supply.h>
#include <linux/errno.h>
#include <linux/delay.h>
-#include <linux/vermagic.h>
+#include <generated/utsrelease.h>
enum test_power_id {
TEST_AC,
diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c
index eb328655bc01..61a63a16b5e7 100644
--- a/drivers/powercap/intel_rapl_common.c
+++ b/drivers/powercap/intel_rapl_common.c
@@ -26,9 +26,6 @@
#include <asm/cpu_device_id.h>
#include <asm/intel-family.h>
-/* Local defines */
-#define MSR_PLATFORM_POWER_LIMIT 0x0000065C
-
/* bitmasks for RAPL MSRs, used by primitive access functions */
#define ENERGY_STATUS_MASK 0xffffffff
@@ -989,6 +986,7 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_PLUS, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_GOLDMONT_D, &rapl_defaults_core),
+ X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &rapl_defaults_core),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &rapl_defaults_core),
diff --git a/drivers/ptp/ptp_chardev.c b/drivers/ptp/ptp_chardev.c
index 93d574faf1fe..375cd6e4aade 100644
--- a/drivers/ptp/ptp_chardev.c
+++ b/drivers/ptp/ptp_chardev.c
@@ -136,6 +136,7 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
caps.pps = ptp->info->pps;
caps.n_pins = ptp->info->n_pins;
caps.cross_timestamping = ptp->info->getcrosststamp != NULL;
+ caps.adjust_phase = ptp->info->adjphase != NULL;
if (copy_to_user((void __user *)arg, &caps, sizeof(caps)))
err = -EFAULT;
break;
diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index acabbe72e55e..03a246e60fd9 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -146,6 +146,15 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct __kernel_timex *tx)
else
err = ops->adjfreq(ops, ppb);
ptp->dialed_frequency = tx->freq;
+ } else if (tx->modes & ADJ_OFFSET) {
+ if (ops->adjphase) {
+ s32 offset = tx->offset;
+
+ if (!(tx->modes & ADJ_NANO))
+ offset *= NSEC_PER_USEC;
+
+ err = ops->adjphase(ops, offset);
+ }
} else if (tx->modes == 0) {
tx->freq = ptp->dialed_frequency;
err = 0;
diff --git a/drivers/ptp/ptp_clockmatrix.c b/drivers/ptp/ptp_clockmatrix.c
index 032e112c3dd9..ceb6bc58f3b4 100644
--- a/drivers/ptp/ptp_clockmatrix.c
+++ b/drivers/ptp/ptp_clockmatrix.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/timekeeping.h>
@@ -24,6 +25,16 @@ MODULE_LICENSE("GPL");
#define SETTIME_CORRECTION (0)
+static long set_write_phase_ready(struct ptp_clock_info *ptp)
+{
+ struct idtcm_channel *channel =
+ container_of(ptp, struct idtcm_channel, caps);
+
+ channel->write_phase_ready = 1;
+
+ return 0;
+}
+
static int char_array_to_timespec(u8 *buf,
u8 count,
struct timespec64 *ts)
@@ -780,7 +791,7 @@ static int idtcm_load_firmware(struct idtcm *idtcm,
/* Page size 128, last 4 bytes of page skipped */
if (((loaddr > 0x7b) && (loaddr <= 0x7f))
- || ((loaddr > 0xfb) && (loaddr <= 0xff)))
+ || loaddr > 0xfb)
continue;
err = idtcm_write(idtcm, regaddr, 0, &val, sizeof(val));
@@ -871,6 +882,64 @@ static int idtcm_set_pll_mode(struct idtcm_channel *channel,
/* PTP Hardware Clock interface */
+/**
+ * @brief Maximum absolute value for write phase offset in picoseconds
+ *
+ * Destination signed register is 32-bit register in resolution of 50ps
+ *
+ * 0x7fffffff * 50 = 2147483647 * 50 = 107374182350
+ */
+static int _idtcm_adjphase(struct idtcm_channel *channel, s32 delta_ns)
+{
+ struct idtcm *idtcm = channel->idtcm;
+
+ int err;
+ u8 i;
+ u8 buf[4] = {0};
+ s32 phase_50ps;
+ s64 offset_ps;
+
+ if (channel->pll_mode != PLL_MODE_WRITE_PHASE) {
+
+ err = idtcm_set_pll_mode(channel, PLL_MODE_WRITE_PHASE);
+
+ if (err)
+ return err;
+
+ channel->write_phase_ready = 0;
+
+ ptp_schedule_worker(channel->ptp_clock,
+ msecs_to_jiffies(WR_PHASE_SETUP_MS));
+ }
+
+ if (!channel->write_phase_ready)
+ delta_ns = 0;
+
+ offset_ps = (s64)delta_ns * 1000;
+
+ /*
+ * Check for 32-bit signed max * 50:
+ *
+ * 0x7fffffff * 50 = 2147483647 * 50 = 107374182350
+ */
+ if (offset_ps > MAX_ABS_WRITE_PHASE_PICOSECONDS)
+ offset_ps = MAX_ABS_WRITE_PHASE_PICOSECONDS;
+ else if (offset_ps < -MAX_ABS_WRITE_PHASE_PICOSECONDS)
+ offset_ps = -MAX_ABS_WRITE_PHASE_PICOSECONDS;
+
+ phase_50ps = DIV_ROUND_CLOSEST(div64_s64(offset_ps, 50), 1);
+
+ for (i = 0; i < 4; i++) {
+ buf[i] = phase_50ps & 0xff;
+ phase_50ps >>= 8;
+ }
+
+ err = idtcm_write(idtcm, channel->dpll_phase, DPLL_WR_PHASE,
+ buf, sizeof(buf));
+
+ return err;
+}
+
static int idtcm_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
{
struct idtcm_channel *channel =
@@ -977,6 +1046,24 @@ static int idtcm_adjtime(struct ptp_clock_info *ptp, s64 delta)
return err;
}
+static int idtcm_adjphase(struct ptp_clock_info *ptp, s32 delta)
+{
+ struct idtcm_channel *channel =
+ container_of(ptp, struct idtcm_channel, caps);
+
+ struct idtcm *idtcm = channel->idtcm;
+
+ int err;
+
+ mutex_lock(&idtcm->reg_lock);
+
+ err = _idtcm_adjphase(channel, delta);
+
+ mutex_unlock(&idtcm->reg_lock);
+
+ return err;
+}
+
static int idtcm_enable(struct ptp_clock_info *ptp,
struct ptp_clock_request *rq, int on)
{
@@ -1055,13 +1142,16 @@ static const struct ptp_clock_info idtcm_caps = {
.owner = THIS_MODULE,
.max_adj = 244000,
.n_per_out = 1,
+ .adjphase = &idtcm_adjphase,
.adjfreq = &idtcm_adjfreq,
.adjtime = &idtcm_adjtime,
.gettime64 = &idtcm_gettime,
.settime64 = &idtcm_settime,
.enable = &idtcm_enable,
+ .do_aux_work = &set_write_phase_ready,
};
+
static int idtcm_enable_channel(struct idtcm *idtcm, u32 index)
{
struct idtcm_channel *channel;
@@ -1146,6 +1236,8 @@ static int idtcm_enable_channel(struct idtcm *idtcm, u32 index)
if (!channel->ptp_clock)
return -ENOTSUPP;
+ channel->write_phase_ready = 0;
+
dev_info(&idtcm->client->dev, "PLL%d registered as ptp%d\n",
index, channel->ptp_clock->index);
diff --git a/drivers/ptp/ptp_clockmatrix.h b/drivers/ptp/ptp_clockmatrix.h
index 6c1f93ab46f3..3de0eb72889c 100644
--- a/drivers/ptp/ptp_clockmatrix.h
+++ b/drivers/ptp/ptp_clockmatrix.h
@@ -15,6 +15,8 @@
#define FW_FILENAME "idtcm.bin"
#define MAX_PHC_PLL 4
+#define MAX_ABS_WRITE_PHASE_PICOSECONDS (107374182350LL)
+
#define PLL_MASK_ADDR (0xFFA5)
#define DEFAULT_PLL_MASK (0x04)
@@ -33,8 +35,9 @@
#define POST_SM_RESET_DELAY_MS (3000)
#define PHASE_PULL_IN_THRESHOLD_NS (150000)
-#define TOD_WRITE_OVERHEAD_COUNT_MAX (5)
-#define TOD_BYTE_COUNT (11)
+#define TOD_WRITE_OVERHEAD_COUNT_MAX (5)
+#define TOD_BYTE_COUNT (11)
+#define WR_PHASE_SETUP_MS (5000)
/* Values of DPLL_N.DPLL_MODE.PLL_MODE */
enum pll_mode {
@@ -77,6 +80,7 @@ struct idtcm_channel {
u16 hw_dpll_n;
enum pll_mode pll_mode;
u16 output_mask;
+ int write_phase_ready;
};
struct idtcm {
diff --git a/drivers/ptp/ptp_idt82p33.c b/drivers/ptp/ptp_idt82p33.c
index b63ac240308b..179f6c472e50 100644
--- a/drivers/ptp/ptp_idt82p33.c
+++ b/drivers/ptp/ptp_idt82p33.c
@@ -23,12 +23,12 @@ MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
/* Module Parameters */
-u32 sync_tod_timeout = SYNC_TOD_TIMEOUT_SEC;
+static u32 sync_tod_timeout = SYNC_TOD_TIMEOUT_SEC;
module_param(sync_tod_timeout, uint, 0);
MODULE_PARM_DESC(sync_tod_timeout,
"duration in second to keep SYNC_TOD on (set to 0 to keep it always on)");
-u32 phase_snap_threshold = SNAP_THRESHOLD_NS;
+static u32 phase_snap_threshold = SNAP_THRESHOLD_NS;
module_param(phase_snap_threshold, uint, 0);
MODULE_PARM_DESC(phase_snap_threshold,
"threshold (150000ns by default) below which adjtime would ignore");
@@ -881,7 +881,7 @@ static int idt82p33_load_firmware(struct idt82p33 *idt82p33)
/* Page size 128, last 4 bytes of page skipped */
if (((loaddr > 0x7b) && (loaddr <= 0x7f))
- || ((loaddr > 0xfb) && (loaddr <= 0xff)))
+ || loaddr > 0xfb)
continue;
err = idt82p33_write(idt82p33, _ADDR(page, loaddr),
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index dfda54cbd866..7711651ff19e 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -400,8 +400,8 @@ static int ines_hwtstamp(struct mii_timestamper *mii_ts, struct ifreq *ifr)
ines_write32(port, ts_stat_rx, ts_stat_rx);
ines_write32(port, ts_stat_tx, ts_stat_tx);
- port->rxts_enabled = ts_stat_rx == TS_ENABLE ? true : false;
- port->txts_enabled = ts_stat_tx == TS_ENABLE ? true : false;
+ port->rxts_enabled = ts_stat_rx == TS_ENABLE;
+ port->txts_enabled = ts_stat_tx == TS_ENABLE;
spin_unlock_irqrestore(&port->lock, flags);
@@ -783,16 +783,10 @@ static struct mii_timestamping_ctrl ines_ctrl = {
static int ines_ptp_ctrl_probe(struct platform_device *pld)
{
struct ines_clock *clock;
- struct resource *res;
void __iomem *addr;
int err = 0;
- res = platform_get_resource(pld, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pld->dev, "missing memory resource\n");
- return -EINVAL;
- }
- addr = devm_ioremap_resource(&pld->dev, res);
+ addr = devm_platform_ioremap_resource(pld, 0);
if (IS_ERR(addr)) {
err = PTR_ERR(addr);
goto out;
diff --git a/drivers/ptp/ptp_kvm.c b/drivers/ptp/ptp_kvm.c
index fc7d0b77e118..658d33fc3195 100644
--- a/drivers/ptp/ptp_kvm.c
+++ b/drivers/ptp/ptp_kvm.c
@@ -22,7 +22,7 @@ struct kvm_ptp_clock {
struct ptp_clock_info caps;
};
-DEFINE_SPINLOCK(kvm_ptp_lock);
+static DEFINE_SPINLOCK(kvm_ptp_lock);
static struct pvclock_vsyscall_time_info *hv_clock;
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 8155f59ece38..10af330153b5 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -877,6 +877,11 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
rmcd_error("pinned %ld out of %ld pages",
pinned, nr_pages);
ret = -EFAULT;
+ /*
+ * Set nr_pages up to mean "how many pages to unpin, in
+ * the error handler:
+ */
+ nr_pages = pinned;
goto err_pg;
}
diff --git a/drivers/regulator/88pg86x.c b/drivers/regulator/88pg86x.c
index d5ef55c81185..71cfa2c5de5e 100644
--- a/drivers/regulator/88pg86x.c
+++ b/drivers/regulator/88pg86x.c
@@ -11,13 +11,13 @@ static const struct regulator_ops pg86x_ops = {
.list_voltage = regulator_list_voltage_linear_range,
};
-static const struct regulator_linear_range pg86x_buck1_ranges[] = {
+static const struct linear_range pg86x_buck1_ranges[] = {
REGULATOR_LINEAR_RANGE( 0, 0, 10, 0),
REGULATOR_LINEAR_RANGE(1000000, 11, 34, 25000),
REGULATOR_LINEAR_RANGE(1600000, 35, 47, 50000),
};
-static const struct regulator_linear_range pg86x_buck2_ranges[] = {
+static const struct linear_range pg86x_buck2_ranges[] = {
REGULATOR_LINEAR_RANGE( 0, 0, 15, 0),
REGULATOR_LINEAR_RANGE(1000000, 16, 39, 25000),
REGULATOR_LINEAR_RANGE(1600000, 40, 52, 50000),
diff --git a/drivers/regulator/88pm800-regulator.c b/drivers/regulator/88pm800-regulator.c
index 69ae25886181..d08ee81ed1ac 100644
--- a/drivers/regulator/88pm800-regulator.c
+++ b/drivers/regulator/88pm800-regulator.c
@@ -134,13 +134,13 @@ struct pm800_regulator_info {
}
/* Ranges are sorted in ascending order. */
-static const struct regulator_linear_range buck1_volt_range[] = {
+static const struct linear_range buck1_volt_range[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000),
};
/* BUCK 2~5 have same ranges. */
-static const struct regulator_linear_range buck2_5_volt_range[] = {
+static const struct linear_range buck2_5_volt_range[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000),
};
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index f4b72cb098ef..8f677f5d79b4 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
menuconfig REGULATOR
bool "Voltage and Current Regulator Support"
+ select LINEAR_RANGES
help
Generic Voltage and Current Regulator support.
@@ -585,6 +586,16 @@ config REGULATOR_MAX77802
Exynos5420/Exynos5800 SoCs to control various voltages.
It includes support for control of voltage and ramp speed.
+config REGULATOR_MAX77826
+ tristate "Maxim 77826 regulator"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ This driver controls a Maxim 77826 regulator via I2C bus.
+ The regulator include 15 LDOs, BUCK and BUCK BOOST regulator.
+ It includes support for control of output voltage. This
+ regulator is found on the Samsung Galaxy S5 (klte) smartphone.
+
config REGULATOR_MC13XXX_CORE
tristate
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 6610ee001d9a..e8f163371071 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -74,6 +74,7 @@ obj-$(CONFIG_REGULATOR_MAX8998) += max8998.o
obj-$(CONFIG_REGULATOR_MAX77686) += max77686-regulator.o
obj-$(CONFIG_REGULATOR_MAX77693) += max77693-regulator.o
obj-$(CONFIG_REGULATOR_MAX77802) += max77802-regulator.o
+obj-$(CONFIG_REGULATOR_MAX77826) += max77826-regulator.o
obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o
obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index f60e1b26c2d2..716ca5bb178e 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -139,17 +139,6 @@ static const unsigned int ldo_vintcore_voltages[] = {
1350000,
};
-static const unsigned int ldo_sdio_voltages[] = {
- 1160000,
- 1050000,
- 1100000,
- 1500000,
- 1800000,
- 2200000,
- 2910000,
- 3050000,
-};
-
static const unsigned int fixed_1200000_voltage[] = {
1200000,
};
@@ -166,10 +155,6 @@ static const unsigned int fixed_2050000_voltage[] = {
2050000,
};
-static const unsigned int fixed_3300000_voltage[] = {
- 3300000,
-};
-
static const unsigned int ldo_vana_voltages[] = {
1050000,
1075000,
@@ -192,13 +177,6 @@ static const unsigned int ldo_vaudio_voltages[] = {
2600000, /* Duplicated in Vaudio and IsoUicc Control register. */
};
-static const unsigned int ldo_vdmic_voltages[] = {
- 1800000,
- 1900000,
- 2000000,
- 2850000,
-};
-
static DEFINE_MUTEX(shared_mode_mutex);
static struct ab8500_shared_mode ldo_anamic1_shared;
static struct ab8500_shared_mode ldo_anamic2_shared;
diff --git a/drivers/regulator/act8865-regulator.c b/drivers/regulator/act8865-regulator.c
index 0fa97f934df4..19b9742c9ecc 100644
--- a/drivers/regulator/act8865-regulator.c
+++ b/drivers/regulator/act8865-regulator.c
@@ -220,13 +220,13 @@ static const struct regmap_config act8865_regmap_config = {
.val_bits = 8,
};
-static const struct regulator_linear_range act8865_voltage_ranges[] = {
+static const struct linear_range act8865_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000),
REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000),
REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),
};
-static const struct regulator_linear_range act8600_sudcdc_voltage_ranges[] = {
+static const struct linear_range act8600_sudcdc_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(3000000, 0, 63, 0),
REGULATOR_LINEAR_RANGE(3000000, 64, 159, 100000),
REGULATOR_LINEAR_RANGE(12600000, 160, 191, 200000),
diff --git a/drivers/regulator/act8945a-regulator.c b/drivers/regulator/act8945a-regulator.c
index d2f804dbc785..6a62f946ccae 100644
--- a/drivers/regulator/act8945a-regulator.c
+++ b/drivers/regulator/act8945a-regulator.c
@@ -73,7 +73,7 @@ struct act8945a_pmic {
u32 op_mode[ACT8945A_ID_MAX];
};
-static const struct regulator_linear_range act8945a_voltage_ranges[] = {
+static const struct linear_range act8945a_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 23, 25000),
REGULATOR_LINEAR_RANGE(1200000, 24, 47, 50000),
REGULATOR_LINEAR_RANGE(2400000, 48, 63, 100000),
diff --git a/drivers/regulator/arizona-ldo1.c b/drivers/regulator/arizona-ldo1.c
index 1a3d7b720f5e..ade0bef4569d 100644
--- a/drivers/regulator/arizona-ldo1.c
+++ b/drivers/regulator/arizona-ldo1.c
@@ -87,7 +87,7 @@ static const struct regulator_ops arizona_ldo1_hc_ops = {
.set_bypass = regulator_set_bypass_regmap,
};
-static const struct regulator_linear_range arizona_ldo1_hc_ranges[] = {
+static const struct linear_range arizona_ldo1_hc_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 0x6, 50000),
REGULATOR_LINEAR_RANGE(1800000, 0x7, 0x7, 0),
};
diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c
index ae1a5de3e57d..f6cfd3f6f0dd 100644
--- a/drivers/regulator/arizona-micsupp.c
+++ b/drivers/regulator/arizona-micsupp.c
@@ -125,7 +125,7 @@ static const struct regulator_ops arizona_micsupp_ops = {
.set_bypass = arizona_micsupp_set_bypass,
};
-static const struct regulator_linear_range arizona_micsupp_ranges[] = {
+static const struct linear_range arizona_micsupp_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 0x1e, 50000),
REGULATOR_LINEAR_RANGE(3300000, 0x1f, 0x1f, 0),
};
@@ -152,7 +152,7 @@ static const struct regulator_desc arizona_micsupp = {
.owner = THIS_MODULE,
};
-static const struct regulator_linear_range arizona_micsupp_ext_ranges[] = {
+static const struct linear_range arizona_micsupp_ext_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 0x14, 25000),
REGULATOR_LINEAR_RANGE(1500000, 0x15, 0x27, 100000),
};
diff --git a/drivers/regulator/as3711-regulator.c b/drivers/regulator/as3711-regulator.c
index ece88103f2fd..b6b9206969ae 100644
--- a/drivers/regulator/as3711-regulator.c
+++ b/drivers/regulator/as3711-regulator.c
@@ -103,18 +103,18 @@ static const struct regulator_ops as3711_dldo_ops = {
.map_voltage = regulator_map_voltage_linear_range,
};
-static const struct regulator_linear_range as3711_sd_ranges[] = {
+static const struct linear_range as3711_sd_ranges[] = {
REGULATOR_LINEAR_RANGE(612500, 0x1, 0x40, 12500),
REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
REGULATOR_LINEAR_RANGE(2650000, 0x71, 0x7f, 50000),
};
-static const struct regulator_linear_range as3711_aldo_ranges[] = {
+static const struct linear_range as3711_aldo_ranges[] = {
REGULATOR_LINEAR_RANGE(1200000, 0, 0xf, 50000),
REGULATOR_LINEAR_RANGE(1800000, 0x10, 0x1f, 100000),
};
-static const struct regulator_linear_range as3711_dldo_ranges[] = {
+static const struct linear_range as3711_dldo_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 0x10, 50000),
REGULATOR_LINEAR_RANGE(1750000, 0x20, 0x3f, 50000),
};
diff --git a/drivers/regulator/as3722-regulator.c b/drivers/regulator/as3722-regulator.c
index bd5d0bacb08d..33ca197860b3 100644
--- a/drivers/regulator/as3722-regulator.c
+++ b/drivers/regulator/as3722-regulator.c
@@ -389,7 +389,7 @@ static const struct regulator_ops as3722_ldo6_extcntrl_ops = {
.set_bypass = regulator_set_bypass_regmap,
};
-static const struct regulator_linear_range as3722_ldo_ranges[] = {
+static const struct linear_range as3722_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
REGULATOR_LINEAR_RANGE(825000, 0x01, 0x24, 25000),
REGULATOR_LINEAR_RANGE(1725000, 0x40, 0x7F, 25000),
@@ -487,7 +487,7 @@ static bool as3722_sd0_is_low_voltage(struct as3722_regulators *as3722_regs)
return false;
}
-static const struct regulator_linear_range as3722_sd2345_ranges[] = {
+static const struct linear_range as3722_sd2345_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x00, 0x00, 0),
REGULATOR_LINEAR_RANGE(612500, 0x01, 0x40, 12500),
REGULATOR_LINEAR_RANGE(1425000, 0x41, 0x70, 25000),
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 1e6eb5b1f8d8..fbc95cadaf53 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -510,7 +510,7 @@ static const struct regulator_ops axp20x_ops_sw = {
.is_enabled = regulator_is_enabled_regmap,
};
-static const struct regulator_linear_range axp20x_ldo4_ranges[] = {
+static const struct linear_range axp20x_ldo4_ranges[] = {
REGULATOR_LINEAR_RANGE(1250000,
AXP20X_LDO4_V_OUT_1250mV_START,
AXP20X_LDO4_V_OUT_1250mV_END,
@@ -638,7 +638,7 @@ static const struct regulator_desc axp22x_drivevbus_regulator = {
};
/* DCDC ranges shared with AXP813 */
-static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
+static const struct linear_range axp803_dcdc234_ranges[] = {
REGULATOR_LINEAR_RANGE(500000,
AXP803_DCDC234_500mV_START,
AXP803_DCDC234_500mV_END,
@@ -649,7 +649,7 @@ static const struct regulator_linear_range axp803_dcdc234_ranges[] = {
20000),
};
-static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
+static const struct linear_range axp803_dcdc5_ranges[] = {
REGULATOR_LINEAR_RANGE(800000,
AXP803_DCDC5_800mV_START,
AXP803_DCDC5_800mV_END,
@@ -660,7 +660,7 @@ static const struct regulator_linear_range axp803_dcdc5_ranges[] = {
20000),
};
-static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
+static const struct linear_range axp803_dcdc6_ranges[] = {
REGULATOR_LINEAR_RANGE(600000,
AXP803_DCDC6_600mV_START,
AXP803_DCDC6_600mV_END,
@@ -672,7 +672,7 @@ static const struct regulator_linear_range axp803_dcdc6_ranges[] = {
};
/* AXP806's CLDO2 and AXP809's DLDO1 share the same range */
-static const struct regulator_linear_range axp803_dldo2_ranges[] = {
+static const struct linear_range axp803_dldo2_ranges[] = {
REGULATOR_LINEAR_RANGE(700000,
AXP803_DLDO2_700mV_START,
AXP803_DLDO2_700mV_END,
@@ -758,7 +758,7 @@ static const struct regulator_desc axp803_regulators[] = {
AXP_DESC_FIXED(AXP803, RTC_LDO, "rtc-ldo", "ips", 3000),
};
-static const struct regulator_linear_range axp806_dcdca_ranges[] = {
+static const struct linear_range axp806_dcdca_ranges[] = {
REGULATOR_LINEAR_RANGE(600000,
AXP806_DCDCA_600mV_START,
AXP806_DCDCA_600mV_END,
@@ -769,7 +769,7 @@ static const struct regulator_linear_range axp806_dcdca_ranges[] = {
20000),
};
-static const struct regulator_linear_range axp806_dcdcd_ranges[] = {
+static const struct linear_range axp806_dcdcd_ranges[] = {
REGULATOR_LINEAR_RANGE(600000,
AXP806_DCDCD_600mV_START,
AXP806_DCDCD_600mV_END,
@@ -834,7 +834,7 @@ static const struct regulator_desc axp806_regulators[] = {
AXP806_PWR_OUT_CTRL2, AXP806_PWR_OUT_SW_MASK),
};
-static const struct regulator_linear_range axp809_dcdc4_ranges[] = {
+static const struct linear_range axp809_dcdc4_ranges[] = {
REGULATOR_LINEAR_RANGE(600000,
AXP809_DCDC4_600mV_START,
AXP809_DCDC4_600mV_END,
diff --git a/drivers/regulator/bcm590xx-regulator.c b/drivers/regulator/bcm590xx-regulator.c
index 8c98c3f07660..65e23fc5f9c3 100644
--- a/drivers/regulator/bcm590xx-regulator.c
+++ b/drivers/regulator/bcm590xx-regulator.c
@@ -116,14 +116,14 @@ static const unsigned int ldo_vbus[] = {
};
/* DCDC group CSR: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_csr_ranges[] = {
+static const struct linear_range dcdc_csr_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
REGULATOR_LINEAR_RANGE(1360000, 51, 55, 20000),
REGULATOR_LINEAR_RANGE(900000, 56, 63, 0),
};
/* DCDC group IOSR1: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_iosr1_ranges[] = {
+static const struct linear_range dcdc_iosr1_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 51, 10000),
REGULATOR_LINEAR_RANGE(1500000, 52, 52, 0),
REGULATOR_LINEAR_RANGE(1800000, 53, 53, 0),
@@ -131,7 +131,7 @@ static const struct regulator_linear_range dcdc_iosr1_ranges[] = {
};
/* DCDC group SDSR1: supported voltages in microvolts */
-static const struct regulator_linear_range dcdc_sdsr1_ranges[] = {
+static const struct linear_range dcdc_sdsr1_ranges[] = {
REGULATOR_LINEAR_RANGE(860000, 2, 50, 10000),
REGULATOR_LINEAR_RANGE(1340000, 51, 51, 0),
REGULATOR_LINEAR_RANGE(900000, 52, 63, 0),
@@ -143,7 +143,7 @@ struct bcm590xx_info {
u8 n_voltages;
const unsigned int *volt_table;
u8 n_linear_ranges;
- const struct regulator_linear_range *linear_ranges;
+ const struct linear_range *linear_ranges;
};
#define BCM590XX_REG_TABLE(_name, _table) \
diff --git a/drivers/regulator/bd70528-regulator.c b/drivers/regulator/bd70528-regulator.c
index 5bf8a2dc5fe7..d44adf7e875a 100644
--- a/drivers/regulator/bd70528-regulator.c
+++ b/drivers/regulator/bd70528-regulator.c
@@ -20,22 +20,22 @@
#define BUCK_RAMPRATE_125MV 1
#define BUCK_RAMP_MAX 250
-static const struct regulator_linear_range bd70528_buck1_volts[] = {
+static const struct linear_range bd70528_buck1_volts[] = {
REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 600000),
REGULATOR_LINEAR_RANGE(2750000, 0x2, 0xf, 50000),
};
-static const struct regulator_linear_range bd70528_buck2_volts[] = {
+static const struct linear_range bd70528_buck2_volts[] = {
REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x1, 300000),
REGULATOR_LINEAR_RANGE(1550000, 0x2, 0xd, 50000),
REGULATOR_LINEAR_RANGE(3000000, 0xe, 0xf, 300000),
};
-static const struct regulator_linear_range bd70528_buck3_volts[] = {
+static const struct linear_range bd70528_buck3_volts[] = {
REGULATOR_LINEAR_RANGE(800000, 0x00, 0xd, 50000),
REGULATOR_LINEAR_RANGE(1800000, 0xe, 0xf, 0),
};
/* All LDOs have same voltage ranges */
-static const struct regulator_linear_range bd70528_ldo_volts[] = {
+static const struct linear_range bd70528_ldo_volts[] = {
REGULATOR_LINEAR_RANGE(1650000, 0x0, 0x07, 50000),
REGULATOR_LINEAR_RANGE(2100000, 0x8, 0x0f, 100000),
REGULATOR_LINEAR_RANGE(2850000, 0x10, 0x19, 50000),
diff --git a/drivers/regulator/bd71828-regulator.c b/drivers/regulator/bd71828-regulator.c
index b2fa17be4988..85c0b9000963 100644
--- a/drivers/regulator/bd71828-regulator.c
+++ b/drivers/regulator/bd71828-regulator.c
@@ -65,27 +65,27 @@ static const struct reg_init buck7_inits[] = {
},
};
-static const struct regulator_linear_range bd71828_buck1267_volts[] = {
+static const struct linear_range bd71828_buck1267_volts[] = {
REGULATOR_LINEAR_RANGE(500000, 0x00, 0xef, 6250),
REGULATOR_LINEAR_RANGE(2000000, 0xf0, 0xff, 0),
};
-static const struct regulator_linear_range bd71828_buck3_volts[] = {
+static const struct linear_range bd71828_buck3_volts[] = {
REGULATOR_LINEAR_RANGE(1200000, 0x00, 0x0f, 50000),
REGULATOR_LINEAR_RANGE(2000000, 0x10, 0x1f, 0),
};
-static const struct regulator_linear_range bd71828_buck4_volts[] = {
+static const struct linear_range bd71828_buck4_volts[] = {
REGULATOR_LINEAR_RANGE(1000000, 0x00, 0x1f, 25000),
REGULATOR_LINEAR_RANGE(1800000, 0x20, 0x3f, 0),
};
-static const struct regulator_linear_range bd71828_buck5_volts[] = {
+static const struct linear_range bd71828_buck5_volts[] = {
REGULATOR_LINEAR_RANGE(2500000, 0x00, 0x0f, 50000),
REGULATOR_LINEAR_RANGE(3300000, 0x10, 0x1f, 0),
};
-static const struct regulator_linear_range bd71828_ldo_volts[] = {
+static const struct linear_range bd71828_ldo_volts[] = {
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x31, 50000),
REGULATOR_LINEAR_RANGE(3300000, 0x32, 0x3f, 0),
};
diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c
index cf3872837abc..7b311389f925 100644
--- a/drivers/regulator/bd718x7-regulator.c
+++ b/drivers/regulator/bd718x7-regulator.c
@@ -55,12 +55,20 @@ static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
BUCK_RAMPRATE_MASK, ramp_value << 6);
}
-/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
+/*
+ * On BD71837 (not on BD71847, BD71850, ...)
+ * Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
* Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
* is changed. Hence we return -EBUSY for these if voltage is changed
* when BUCK/LDO is enabled.
+ *
+ * On BD71847, BD71850, ... The LDO voltage can be changed when LDO is
+ * enabled. But if voltage is increased the LDO power-good monitoring
+ * must be disabled for the duration of changing + 1mS to ensure voltage
+ * has reached the higher level before HW does next under voltage detection
+ * cycle.
*/
-static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
+static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev,
unsigned int sel)
{
if (regulator_is_enabled_regmap(rdev))
@@ -69,9 +77,124 @@ static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
return regulator_set_voltage_sel_regmap(rdev, sel);
}
+static void voltage_change_done(struct regulator_dev *rdev, unsigned int sel,
+ unsigned int *mask)
+{
+ int ret;
+
+ if (*mask) {
+ /*
+ * Let's allow scheduling as we use I2C anyways. We just need to
+ * guarantee minimum of 1ms sleep - it shouldn't matter if we
+ * exceed it due to the scheduling.
+ */
+ msleep(1);
+ /*
+ * Note for next hacker. The PWRGOOD should not be masked on
+ * BD71847 so we will just unconditionally enable detection
+ * when voltage is set.
+ * If someone want's to disable PWRGOOD he must implement
+ * caching and restoring the old value here. I am not
+ * aware of such use-cases so for the sake of the simplicity
+ * we just always enable PWRGOOD here.
+ */
+ ret = regmap_update_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2,
+ *mask, 0);
+ if (ret)
+ dev_err(&rdev->dev,
+ "Failed to re-enable voltage monitoring (%d)\n",
+ ret);
+ }
+}
+
+static int voltage_change_prepare(struct regulator_dev *rdev, unsigned int sel,
+ unsigned int *mask)
+{
+ int ret;
+
+ *mask = 0;
+ if (regulator_is_enabled_regmap(rdev)) {
+ int now, new;
+
+ now = rdev->desc->ops->get_voltage_sel(rdev);
+ if (now < 0)
+ return now;
+
+ now = rdev->desc->ops->list_voltage(rdev, now);
+ if (now < 0)
+ return now;
+
+ new = rdev->desc->ops->list_voltage(rdev, sel);
+ if (new < 0)
+ return new;
+
+ /*
+ * If we increase LDO voltage when LDO is enabled we need to
+ * disable the power-good detection until voltage has reached
+ * the new level. According to HW colleagues the maximum time
+ * it takes is 1000us. I assume that on systems with light load
+ * this might be less - and we could probably use DT to give
+ * system specific delay value if performance matters.
+ *
+ * Well, knowing we use I2C here and can add scheduling delays
+ * I don't think it is worth the hassle and I just add fixed
+ * 1ms sleep here (and allow scheduling). If this turns out to
+ * be a problem we can change it to delay and make the delay
+ * time configurable.
+ */
+ if (new > now) {
+ int ldo_offset = rdev->desc->id - BD718XX_LDO1;
+
+ *mask = BD718XX_LDO1_VRMON80 << ldo_offset;
+ ret = regmap_update_bits(rdev->regmap,
+ BD718XX_REG_MVRFLTMASK2,
+ *mask, *mask);
+ if (ret) {
+ dev_err(&rdev->dev,
+ "Failed to stop voltage monitoring\n");
+ return ret;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
+ unsigned int sel)
+{
+ int ret;
+ int mask;
+
+ ret = voltage_change_prepare(rdev, sel, &mask);
+ if (ret)
+ return ret;
+
+ ret = regulator_set_voltage_sel_regmap(rdev, sel);
+ voltage_change_done(rdev, sel, &mask);
+
+ return ret;
+}
+
static int bd718xx_set_voltage_sel_pickable_restricted(
struct regulator_dev *rdev, unsigned int sel)
{
+ int ret;
+ int mask;
+
+ ret = voltage_change_prepare(rdev, sel, &mask);
+ if (ret)
+ return ret;
+
+ ret = regulator_set_voltage_sel_pickable_regmap(rdev, sel);
+ voltage_change_done(rdev, sel, &mask);
+
+ return ret;
+}
+
+static int bd71837_set_voltage_sel_pickable_restricted(
+ struct regulator_dev *rdev, unsigned int sel)
+{
if (regulator_is_enabled_regmap(rdev))
return -EBUSY;
@@ -85,6 +208,16 @@ static const struct regulator_ops bd718xx_pickable_range_ldo_ops = {
.list_voltage = regulator_list_voltage_pickable_linear_range,
.set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+
+};
+
+static const struct regulator_ops bd71837_pickable_range_ldo_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd71837_set_voltage_sel_pickable_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
};
static const struct regulator_ops bd718xx_pickable_range_buck_ops = {
@@ -92,11 +225,30 @@ static const struct regulator_ops bd718xx_pickable_range_buck_ops = {
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_pickable_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
+ .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static const struct regulator_ops bd71837_pickable_range_buck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_pickable_linear_range,
+ .set_voltage_sel = bd71837_set_voltage_sel_pickable_restricted,
.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
+static const struct regulator_ops bd71837_ldo_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .set_voltage_sel = bd71837_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
static const struct regulator_ops bd718xx_ldo_regulator_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
@@ -106,6 +258,15 @@ static const struct regulator_ops bd718xx_ldo_regulator_ops = {
.get_voltage_sel = regulator_get_voltage_sel_regmap,
};
+static const struct regulator_ops bd71837_ldo_regulator_nolinear_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .set_voltage_sel = bd71837_set_voltage_sel_restricted,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+};
+
static const struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
@@ -120,7 +281,17 @@ static const struct regulator_ops bd718xx_buck_regulator_ops = {
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_linear_range,
- .set_voltage_sel = bd718xx_set_voltage_sel_restricted,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static const struct regulator_ops bd71837_buck_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear_range,
+ .set_voltage_sel = bd71837_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
};
@@ -131,6 +302,17 @@ static const struct regulator_ops bd718xx_buck_regulator_nolinear_ops = {
.is_enabled = regulator_is_enabled_regmap,
.list_voltage = regulator_list_voltage_table,
.map_voltage = regulator_map_voltage_ascend,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_time_sel = regulator_set_voltage_time_sel,
+};
+
+static const struct regulator_ops bd71837_buck_regulator_nolinear_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_ascend,
.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_time_sel = regulator_set_voltage_time_sel,
@@ -152,7 +334,7 @@ static const struct regulator_ops bd718xx_dvs_buck_regulator_ops = {
* BD71847 BUCK1/2
* 0.70 to 1.30V (10mV step)
*/
-static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
+static const struct linear_range bd718xx_dvs_buck_volts[] = {
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
};
@@ -163,7 +345,7 @@ static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
* and
* 0.675 to 1.325 (range 1)
*/
-static const struct regulator_linear_range bd71837_buck5_volts[] = {
+static const struct linear_range bd71837_buck5_volts[] = {
/* Ranges when VOLT_SEL bit is 0 */
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
@@ -185,7 +367,7 @@ static const unsigned int bd71837_buck5_volt_range_sel[] = {
/*
* BD71847 BUCK3
*/
-static const struct regulator_linear_range bd71847_buck3_volts[] = {
+static const struct linear_range bd71847_buck3_volts[] = {
/* Ranges when VOLT_SEL bits are 00 */
REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
@@ -202,7 +384,7 @@ static const unsigned int bd71847_buck3_volt_range_sel[] = {
0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
};
-static const struct regulator_linear_range bd71847_buck4_volts[] = {
+static const struct linear_range bd71847_buck4_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
};
@@ -213,7 +395,7 @@ static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
* BUCK6
* 3.0V to 3.3V (step 100mV)
*/
-static const struct regulator_linear_range bd71837_buck6_volts[] = {
+static const struct linear_range bd71837_buck6_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
};
@@ -237,7 +419,7 @@ static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = {
* BUCK8
* 0.8V to 1.40V (step 10mV)
*/
-static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
+static const struct linear_range bd718xx_4th_nodvs_buck_volts[] = {
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
};
@@ -245,7 +427,7 @@ static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
* LDO1
* 3.0 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
+static const struct linear_range bd718xx_ldo1_volts[] = {
REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
};
@@ -264,7 +446,7 @@ static const unsigned int ldo_2_volts[] = {
* LDO3
* 1.8 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
+static const struct linear_range bd718xx_ldo3_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
@@ -272,7 +454,7 @@ static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
* LDO4
* 0.9 to 1.8V (100mV step)
*/
-static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
+static const struct linear_range bd718xx_ldo4_volts[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
};
@@ -280,7 +462,7 @@ static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
* LDO5 for BD71837
* 1.8 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd71837_ldo5_volts[] = {
+static const struct linear_range bd71837_ldo5_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
@@ -288,7 +470,7 @@ static const struct regulator_linear_range bd71837_ldo5_volts[] = {
* LDO5 for BD71837
* 1.8 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd71847_ldo5_volts[] = {
+static const struct linear_range bd71847_ldo5_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
};
@@ -299,7 +481,7 @@ static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
* LDO6
* 0.9 to 1.8V (100mV step)
*/
-static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
+static const struct linear_range bd718xx_ldo6_volts[] = {
REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
};
@@ -307,7 +489,7 @@ static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
* LDO7
* 1.8 to 3.3V (100mV step)
*/
-static const struct regulator_linear_range bd71837_ldo7_volts[] = {
+static const struct linear_range bd71837_ldo7_volts[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
};
@@ -805,7 +987,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("BUCK5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK5,
- .ops = &bd718xx_pickable_range_buck_ops,
+ .ops = &bd71837_pickable_range_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
.linear_ranges = bd71837_buck5_volts,
@@ -832,7 +1014,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("BUCK6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK6,
- .ops = &bd718xx_buck_regulator_ops,
+ .ops = &bd71837_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
.linear_ranges = bd71837_buck6_volts,
@@ -856,7 +1038,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("BUCK7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK7,
- .ops = &bd718xx_buck_regulator_nolinear_ops,
+ .ops = &bd71837_buck_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
.n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
@@ -878,7 +1060,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("BUCK8"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_BUCK8,
- .ops = &bd718xx_buck_regulator_ops,
+ .ops = &bd71837_buck_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
@@ -902,7 +1084,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO1"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO1,
- .ops = &bd718xx_pickable_range_ldo_ops,
+ .ops = &bd71837_pickable_range_ldo_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo1_volts,
@@ -928,7 +1110,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO2"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO2,
- .ops = &bd718xx_ldo_regulator_nolinear_ops,
+ .ops = &bd71837_ldo_regulator_nolinear_ops,
.type = REGULATOR_VOLTAGE,
.volt_table = &ldo_2_volts[0],
.vsel_reg = BD718XX_REG_LDO2_VOLT,
@@ -950,7 +1132,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO3"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO3,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo3_volts,
@@ -973,7 +1155,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO4"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO4,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo4_volts,
@@ -996,7 +1178,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO5"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO5,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO5_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo5_volts,
@@ -1023,7 +1205,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO6"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO6,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
.linear_ranges = bd718xx_ldo6_volts,
@@ -1050,7 +1232,7 @@ static const struct bd718xx_regulator_data bd71837_regulators[] = {
.of_match = of_match_ptr("LDO7"),
.regulators_node = of_match_ptr("regulators"),
.id = BD718XX_LDO7,
- .ops = &bd718xx_ldo_regulator_ops,
+ .ops = &bd71837_ldo_regulator_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = BD71837_LDO7_VOLTAGE_NUM,
.linear_ranges = bd71837_ldo7_volts,
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index c340505150b6..03154f5b939f 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3642,36 +3642,19 @@ finish:
return done;
}
-static int regulator_balance_voltage(struct regulator_dev *rdev,
- suspend_state_t state)
+int regulator_do_balance_voltage(struct regulator_dev *rdev,
+ suspend_state_t state, bool skip_coupled)
{
struct regulator_dev **c_rdevs;
struct regulator_dev *best_rdev;
struct coupling_desc *c_desc = &rdev->coupling_desc;
- struct regulator_coupler *coupler = c_desc->coupler;
int i, ret, n_coupled, best_min_uV, best_max_uV, best_c_rdev;
unsigned int delta, best_delta;
unsigned long c_rdev_done = 0;
bool best_c_rdev_done;
c_rdevs = c_desc->coupled_rdevs;
- n_coupled = c_desc->n_coupled;
-
- /*
- * If system is in a state other than PM_SUSPEND_ON, don't check
- * other coupled regulators.
- */
- if (state != PM_SUSPEND_ON)
- n_coupled = 1;
-
- if (c_desc->n_resolved < n_coupled) {
- rdev_err(rdev, "Not all coupled regulators registered\n");
- return -EPERM;
- }
-
- /* Invoke custom balancer for customized couplers */
- if (coupler && coupler->balance_voltage)
- return coupler->balance_voltage(coupler, rdev, state);
+ n_coupled = skip_coupled ? 1 : c_desc->n_coupled;
/*
* Find the best possible voltage change on each loop. Leave the loop
@@ -3742,6 +3725,32 @@ out:
return ret;
}
+static int regulator_balance_voltage(struct regulator_dev *rdev,
+ suspend_state_t state)
+{
+ struct coupling_desc *c_desc = &rdev->coupling_desc;
+ struct regulator_coupler *coupler = c_desc->coupler;
+ bool skip_coupled = false;
+
+ /*
+ * If system is in a state other than PM_SUSPEND_ON, don't check
+ * other coupled regulators.
+ */
+ if (state != PM_SUSPEND_ON)
+ skip_coupled = true;
+
+ if (c_desc->n_resolved < c_desc->n_coupled) {
+ rdev_err(rdev, "Not all coupled regulators registered\n");
+ return -EPERM;
+ }
+
+ /* Invoke custom balancer for customized couplers */
+ if (coupler && coupler->balance_voltage)
+ return coupler->balance_voltage(coupler, rdev, state);
+
+ return regulator_do_balance_voltage(rdev, state, skip_coupled);
+}
+
/**
* regulator_set_voltage - set regulator output voltage
* @regulator: regulator source
@@ -4312,6 +4321,7 @@ EXPORT_SYMBOL_GPL(regulator_set_load);
int regulator_allow_bypass(struct regulator *regulator, bool enable)
{
struct regulator_dev *rdev = regulator->rdev;
+ const char *name = rdev_get_name(rdev);
int ret = 0;
if (!rdev->desc->ops->set_bypass)
@@ -4326,18 +4336,26 @@ int regulator_allow_bypass(struct regulator *regulator, bool enable)
rdev->bypass_count++;
if (rdev->bypass_count == rdev->open_count) {
+ trace_regulator_bypass_enable(name);
+
ret = rdev->desc->ops->set_bypass(rdev, enable);
if (ret != 0)
rdev->bypass_count--;
+ else
+ trace_regulator_bypass_enable_complete(name);
}
} else if (!enable && regulator->bypass) {
rdev->bypass_count--;
if (rdev->bypass_count != rdev->open_count) {
+ trace_regulator_bypass_disable(name);
+
ret = rdev->desc->ops->set_bypass(rdev, enable);
if (ret != 0)
rdev->bypass_count++;
+ else
+ trace_regulator_bypass_disable_complete(name);
}
}
@@ -5496,6 +5514,7 @@ static void regulator_summary_show_subtree(struct seq_file *s,
seq_printf(s, "%*s%-*s ",
(level + 1) * 3 + 1, "",
30 - (level + 1) * 3,
+ consumer->supply_name ? consumer->supply_name :
consumer->dev ? dev_name(consumer->dev) : "deviceless");
switch (rdev->desc->type) {
@@ -5754,10 +5773,6 @@ static DECLARE_DELAYED_WORK(regulator_init_complete_work,
static int __init regulator_init_complete(void)
{
- int delay = driver_deferred_probe_timeout;
-
- if (delay < 0)
- delay = 0;
/*
* Since DT doesn't provide an idiomatic mechanism for
* enabling full constraints and since it's much more natural
@@ -5768,17 +5783,18 @@ static int __init regulator_init_complete(void)
has_full_constraints = true;
/*
- * If driver_deferred_probe_timeout is set, we punt
- * completion for that many seconds since systems like
- * distros will load many drivers from userspace so consumers
- * might not always be ready yet, this is particularly an
- * issue with laptops where this might bounce the display off
- * then on. Ideally we'd get a notification from userspace
- * when this happens but we don't so just wait a bit and hope
- * we waited long enough. It'd be better if we'd only do
- * this on systems that need it.
+ * We punt completion for an arbitrary amount of time since
+ * systems like distros will load many drivers from userspace
+ * so consumers might not always be ready yet, this is
+ * particularly an issue with laptops where this might bounce
+ * the display off then on. Ideally we'd get a notification
+ * from userspace when this happens but we don't so just wait
+ * a bit and hope we waited long enough. It'd be better if
+ * we'd only do this on systems that need it, and a kernel
+ * command line option might be useful.
*/
- schedule_delayed_work(&regulator_init_complete_work, delay * HZ);
+ schedule_delayed_work(&regulator_init_complete_work,
+ msecs_to_jiffies(30000));
return 0;
}
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 5493c3a86426..770e694824ac 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -248,7 +248,7 @@ static int da9034_set_dvc_voltage_sel(struct regulator_dev *rdev,
return ret;
}
-static const struct regulator_linear_range da9034_ldo12_ranges[] = {
+static const struct linear_range da9034_ldo12_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 7, 50000),
REGULATOR_LINEAR_RANGE(2700000, 8, 15, 50000),
};
diff --git a/drivers/regulator/db8500-prcmu.c b/drivers/regulator/db8500-prcmu.c
index 88a2dcb9fe8a..0ce6ec4933af 100644
--- a/drivers/regulator/db8500-prcmu.c
+++ b/drivers/regulator/db8500-prcmu.c
@@ -181,7 +181,7 @@ static int db8500_regulator_switch_disable(struct regulator_dev *rdev)
goto out;
}
- info->is_enabled = 0;
+ info->is_enabled = false;
out:
return ret;
}
diff --git a/drivers/regulator/helpers.c b/drivers/regulator/helpers.c
index bb16c465426e..e970e9d2f8be 100644
--- a/drivers/regulator/helpers.c
+++ b/drivers/regulator/helpers.c
@@ -131,10 +131,11 @@ int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev)
unsigned int r_val;
int range;
unsigned int val;
- int ret, i;
- unsigned int voltages_in_range = 0;
+ int ret;
+ unsigned int voltages = 0;
+ const struct linear_range *r = rdev->desc->linear_ranges;
- if (!rdev->desc->linear_ranges)
+ if (!r)
return -EINVAL;
ret = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val);
@@ -152,11 +153,9 @@ int regulator_get_voltage_sel_pickable_regmap(struct regulator_dev *rdev)
if (range < 0)
return -EINVAL;
- for (i = 0; i < range; i++)
- voltages_in_range += (rdev->desc->linear_ranges[i].max_sel -
- rdev->desc->linear_ranges[i].min_sel) + 1;
+ voltages = linear_range_values_in_range_array(r, range);
- return val + voltages_in_range;
+ return val + voltages;
}
EXPORT_SYMBOL_GPL(regulator_get_voltage_sel_pickable_regmap);
@@ -179,8 +178,11 @@ int regulator_set_voltage_sel_pickable_regmap(struct regulator_dev *rdev,
unsigned int voltages_in_range = 0;
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
- voltages_in_range = (rdev->desc->linear_ranges[i].max_sel -
- rdev->desc->linear_ranges[i].min_sel) + 1;
+ const struct linear_range *r;
+
+ r = &rdev->desc->linear_ranges[i];
+ voltages_in_range = linear_range_values_in_range(r);
+
if (sel < voltages_in_range)
break;
sel -= voltages_in_range;
@@ -405,8 +407,10 @@ EXPORT_SYMBOL_GPL(regulator_map_voltage_linear);
int regulator_map_voltage_linear_range(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
- const struct regulator_linear_range *range;
+ const struct linear_range *range;
int ret = -EINVAL;
+ unsigned int sel;
+ bool found;
int voltage, i;
if (!rdev->desc->n_linear_ranges) {
@@ -415,35 +419,19 @@ int regulator_map_voltage_linear_range(struct regulator_dev *rdev,
}
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
- int linear_max_uV;
-
range = &rdev->desc->linear_ranges[i];
- linear_max_uV = range->min_uV +
- (range->max_sel - range->min_sel) * range->uV_step;
- if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV))
+ ret = linear_range_get_selector_high(range, min_uV, &sel,
+ &found);
+ if (ret)
continue;
-
- if (min_uV <= range->min_uV)
- min_uV = range->min_uV;
-
- /* range->uV_step == 0 means fixed voltage range */
- if (range->uV_step == 0) {
- ret = 0;
- } else {
- ret = DIV_ROUND_UP(min_uV - range->min_uV,
- range->uV_step);
- if (ret < 0)
- return ret;
- }
-
- ret += range->min_sel;
+ ret = sel;
/*
* Map back into a voltage to verify we're still in bounds.
* If we are not, then continue checking rest of the ranges.
*/
- voltage = rdev->desc->ops->list_voltage(rdev, ret);
+ voltage = rdev->desc->ops->list_voltage(rdev, sel);
if (voltage >= min_uV && voltage <= max_uV)
break;
}
@@ -468,7 +456,7 @@ EXPORT_SYMBOL_GPL(regulator_map_voltage_linear_range);
int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev,
int min_uV, int max_uV)
{
- const struct regulator_linear_range *range;
+ const struct linear_range *range;
int ret = -EINVAL;
int voltage, i;
unsigned int selector = 0;
@@ -480,30 +468,25 @@ int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev,
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
int linear_max_uV;
+ bool found;
+ unsigned int sel;
range = &rdev->desc->linear_ranges[i];
- linear_max_uV = range->min_uV +
- (range->max_sel - range->min_sel) * range->uV_step;
+ linear_max_uV = linear_range_get_max_value(range);
- if (!(min_uV <= linear_max_uV && max_uV >= range->min_uV)) {
- selector += (range->max_sel - range->min_sel + 1);
+ if (!(min_uV <= linear_max_uV && max_uV >= range->min)) {
+ selector += linear_range_values_in_range(range);
continue;
}
- if (min_uV <= range->min_uV)
- min_uV = range->min_uV;
-
- /* range->uV_step == 0 means fixed voltage range */
- if (range->uV_step == 0) {
- ret = 0;
- } else {
- ret = DIV_ROUND_UP(min_uV - range->min_uV,
- range->uV_step);
- if (ret < 0)
- return ret;
+ ret = linear_range_get_selector_high(range, min_uV, &sel,
+ &found);
+ if (ret) {
+ selector += linear_range_values_in_range(range);
+ continue;
}
- ret += selector;
+ ret = selector + sel;
voltage = rdev->desc->ops->list_voltage(rdev, ret);
@@ -513,7 +496,7 @@ int regulator_map_voltage_pickable_linear_range(struct regulator_dev *rdev,
* exit but retry until we have checked all ranges.
*/
if (voltage < min_uV || voltage > max_uV)
- selector += (range->max_sel - range->min_sel + 1);
+ selector += linear_range_values_in_range(range);
else
break;
}
@@ -561,7 +544,7 @@ EXPORT_SYMBOL_GPL(regulator_list_voltage_linear);
int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev,
unsigned int selector)
{
- const struct regulator_linear_range *range;
+ const struct linear_range *range;
int i;
unsigned int all_sels = 0;
@@ -571,18 +554,28 @@ int regulator_list_voltage_pickable_linear_range(struct regulator_dev *rdev,
}
for (i = 0; i < rdev->desc->n_linear_ranges; i++) {
- unsigned int sels_in_range;
+ unsigned int sel_indexes;
range = &rdev->desc->linear_ranges[i];
- sels_in_range = range->max_sel - range->min_sel;
+ sel_indexes = linear_range_values_in_range(range) - 1;
- if (all_sels + sels_in_range >= selector) {
+ if (all_sels + sel_indexes >= selector) {
selector -= all_sels;
- return range->min_uV + (range->uV_step * selector);
+ /*
+ * As we see here, pickable ranges work only as
+ * long as the first selector for each pickable
+ * range is 0, and the each subsequent range for
+ * this 'pick' follow immediately at next unused
+ * selector (Eg. there is no gaps between ranges).
+ * I think this is fine but it probably should be
+ * documented. OTOH, whole pickable range stuff
+ * might benefit from some documentation
+ */
+ return range->min + (range->step * selector);
}
- all_sels += (sels_in_range + 1);
+ all_sels += (sel_indexes + 1);
}
return -EINVAL;
@@ -604,27 +597,18 @@ EXPORT_SYMBOL_GPL(regulator_list_voltage_pickable_linear_range);
int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc,
unsigned int selector)
{
- const struct regulator_linear_range *range;
- int i;
-
- if (!desc->n_linear_ranges) {
- BUG_ON(!desc->n_linear_ranges);
- return -EINVAL;
- }
-
- for (i = 0; i < desc->n_linear_ranges; i++) {
- range = &desc->linear_ranges[i];
-
- if (!(selector >= range->min_sel &&
- selector <= range->max_sel))
- continue;
+ unsigned int val;
+ int ret;
- selector -= range->min_sel;
+ BUG_ON(!desc->n_linear_ranges);
- return range->min_uV + (range->uV_step * selector);
- }
+ ret = linear_range_get_value_array(desc->linear_ranges,
+ desc->n_linear_ranges, selector,
+ &val);
+ if (ret)
+ return ret;
- return -EINVAL;
+ return val;
}
EXPORT_SYMBOL_GPL(regulator_desc_list_voltage_linear_range);
diff --git a/drivers/regulator/hi6421-regulator.c b/drivers/regulator/hi6421-regulator.c
index 5ac3d7c29725..66219d8dfc1a 100644
--- a/drivers/regulator/hi6421-regulator.c
+++ b/drivers/regulator/hi6421-regulator.c
@@ -87,7 +87,7 @@ static const unsigned int ldo_8_voltages[] = {
};
/* Ranges are sorted in ascending order. */
-static const struct regulator_linear_range ldo_audio_volt_range[] = {
+static const struct linear_range ldo_audio_volt_range[] = {
REGULATOR_LINEAR_RANGE(2800000, 0, 3, 50000),
REGULATOR_LINEAR_RANGE(3000000, 4, 7, 100000),
};
@@ -195,7 +195,7 @@ static const struct regulator_ops hi6421_buck345_ops;
* _id - LDO id name string
* _match - of match name string
* n_volt - number of votages available
- * volt_ranges - array of regulator_linear_range
+ * volt_ranges - array of linear_range
* vstep - voltage increase in each linear step in uV
* vreg - voltage select register
* vmask - voltage select mask
diff --git a/drivers/regulator/lochnagar-regulator.c b/drivers/regulator/lochnagar-regulator.c
index 9b05e03ba830..5ea3e4141684 100644
--- a/drivers/regulator/lochnagar-regulator.c
+++ b/drivers/regulator/lochnagar-regulator.c
@@ -36,7 +36,7 @@ static const struct regulator_ops lochnagar_micvdd_ops = {
.set_voltage_sel = regulator_set_voltage_sel_regmap,
};
-static const struct regulator_linear_range lochnagar_micvdd_ranges[] = {
+static const struct linear_range lochnagar_micvdd_ranges[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 0xC, 50000),
REGULATOR_LINEAR_RANGE(1700000, 0xD, 0x1F, 100000),
};
@@ -97,7 +97,7 @@ static const struct regulator_ops lochnagar_vddcore_ops = {
.set_voltage_sel = regulator_set_voltage_sel_regmap,
};
-static const struct regulator_linear_range lochnagar_vddcore_ranges[] = {
+static const struct linear_range lochnagar_vddcore_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0x8, 0x41, 12500),
};
diff --git a/drivers/regulator/lp873x-regulator.c b/drivers/regulator/lp873x-regulator.c
index b55de293ca7a..fe049b67e7d5 100644
--- a/drivers/regulator/lp873x-regulator.c
+++ b/drivers/regulator/lp873x-regulator.c
@@ -54,14 +54,14 @@ struct lp873x_regulator {
static const struct lp873x_regulator regulators[];
-static const struct regulator_linear_range buck0_buck1_ranges[] = {
+static const struct linear_range buck0_buck1_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x13, 0),
REGULATOR_LINEAR_RANGE(700000, 0x14, 0x17, 10000),
REGULATOR_LINEAR_RANGE(735000, 0x18, 0x9d, 5000),
REGULATOR_LINEAR_RANGE(1420000, 0x9e, 0xff, 20000),
};
-static const struct regulator_linear_range ldo0_ldo1_ranges[] = {
+static const struct linear_range ldo0_ldo1_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0x0, 0x19, 100000),
};
diff --git a/drivers/regulator/lp87565-regulator.c b/drivers/regulator/lp87565-regulator.c
index 4ae12ac1f4c6..5d525dacf959 100644
--- a/drivers/regulator/lp87565-regulator.c
+++ b/drivers/regulator/lp87565-regulator.c
@@ -46,7 +46,7 @@ struct lp87565_regulator {
static const struct lp87565_regulator regulators[];
-static const struct regulator_linear_range buck0_1_2_3_ranges[] = {
+static const struct linear_range buck0_1_2_3_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0xA, 0x17, 10000),
REGULATOR_LINEAR_RANGE(735000, 0x18, 0x9d, 5000),
REGULATOR_LINEAR_RANGE(1420000, 0x9e, 0xff, 20000),
diff --git a/drivers/regulator/lp8788-buck.c b/drivers/regulator/lp8788-buck.c
index 222502a29658..74b7b496b12d 100644
--- a/drivers/regulator/lp8788-buck.c
+++ b/drivers/regulator/lp8788-buck.c
@@ -92,7 +92,7 @@ struct lp8788_buck {
};
/* BUCK 1 ~ 4 voltage ranges */
-static const struct regulator_linear_range buck_volt_ranges[] = {
+static const struct linear_range buck_volt_ranges[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0, 0),
REGULATOR_LINEAR_RANGE(800000, 1, 25, 50000),
};
diff --git a/drivers/regulator/max77650-regulator.c b/drivers/regulator/max77650-regulator.c
index ac89a412f665..ca08f94a368d 100644
--- a/drivers/regulator/max77650-regulator.c
+++ b/drivers/regulator/max77650-regulator.c
@@ -49,7 +49,7 @@ static const unsigned int max77651_sbb1_volt_range_sel[] = {
0x0, 0x1, 0x2, 0x3
};
-static const struct regulator_linear_range max77651_sbb1_volt_ranges[] = {
+static const struct linear_range max77651_sbb1_volt_ranges[] = {
/* range index 0 */
REGULATOR_LINEAR_RANGE(2400000, 0x00, 0x0f, 50000),
/* range index 1 */
diff --git a/drivers/regulator/max77826-regulator.c b/drivers/regulator/max77826-regulator.c
new file mode 100644
index 000000000000..502ab6afc814
--- /dev/null
+++ b/drivers/regulator/max77826-regulator.c
@@ -0,0 +1,301 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+//
+// max77826-regulator.c - regulator driver for Maxim MAX77826
+//
+// Author: Iskren Chernev <iskren.chernev@gmail.com>
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+
+enum max77826_registers {
+ MAX77826_REG_INT_SRC = 0x00,
+ MAX77826_REG_SYS_INT,
+ MAX77826_REG_INT1,
+ MAX77826_REG_INT2,
+ MAX77826_REG_BB_INT,
+ MAX77826_REG_INT_SRC_M,
+ MAX77826_REG_TOPSYS_INT_M,
+ MAX77826_REG_INT1_M,
+ MAX77826_REG_INT2_M,
+ MAX77826_REG_BB_INT_M,
+ MAX77826_REG_TOPSYS_STAT,
+ MAX77826_REG_STAT1,
+ MAX77826_REG_STAT2,
+ MAX77826_REG_BB_STAT,
+ /* 0x0E - 0x0F: Reserved */
+ MAX77826_REG_LDO_OPMD1 = 0x10,
+ MAX77826_REG_LDO_OPMD2,
+ MAX77826_REG_LDO_OPMD3,
+ MAX77826_REG_LDO_OPMD4,
+ MAX77826_REG_B_BB_OPMD,
+ /* 0x15 - 0x1F: Reserved */
+ MAX77826_REG_LDO1_CFG = 0x20,
+ MAX77826_REG_LDO2_CFG,
+ MAX77826_REG_LDO3_CFG,
+ MAX77826_REG_LDO4_CFG,
+ MAX77826_REG_LDO5_CFG,
+ MAX77826_REG_LDO6_CFG,
+ MAX77826_REG_LDO7_CFG,
+ MAX77826_REG_LDO8_CFG,
+ MAX77826_REG_LDO9_CFG,
+ MAX77826_REG_LDO10_CFG,
+ MAX77826_REG_LDO11_CFG,
+ MAX77826_REG_LDO12_CFG,
+ MAX77826_REG_LDO13_CFG,
+ MAX77826_REG_LDO14_CFG,
+ MAX77826_REG_LDO15_CFG,
+ /* 0x2F: Reserved */
+ MAX77826_REG_BUCK_CFG = 0x30,
+ MAX77826_REG_BUCK_VOUT,
+ MAX77826_REG_BB_CFG,
+ MAX77826_REG_BB_VOUT,
+ /* 0x34 - 0x3F: Reserved */
+ MAX77826_REG_BUCK_SS_FREQ = 0x40,
+ MAX77826_REG_UVLO_FALL,
+ /* 0x42 - 0xCE: Reserved */
+ MAX77826_REG_DEVICE_ID = 0xCF,
+};
+
+enum max77826_regulators {
+ MAX77826_LDO1 = 0,
+ MAX77826_LDO2,
+ MAX77826_LDO3,
+ MAX77826_LDO4,
+ MAX77826_LDO5,
+ MAX77826_LDO6,
+ MAX77826_LDO7,
+ MAX77826_LDO8,
+ MAX77826_LDO9,
+ MAX77826_LDO10,
+ MAX77826_LDO11,
+ MAX77826_LDO12,
+ MAX77826_LDO13,
+ MAX77826_LDO14,
+ MAX77826_LDO15,
+ MAX77826_BUCK,
+ MAX77826_BUCKBOOST,
+ MAX77826_MAX_REGULATORS,
+};
+
+#define MAX77826_MASK_LDO 0x7f
+#define MAX77826_MASK_BUCK 0xff
+#define MAX77826_MASK_BUCKBOOST 0x7f
+#define MAX77826_BUCK_RAMP_DELAY 12500
+
+/* values in mV */
+/* for LDO1-3 */
+#define MAX77826_NMOS_LDO_VOLT_MIN 600000
+#define MAX77826_NMOS_LDO_VOLT_MAX 2187500
+#define MAX77826_NMOS_LDO_VOLT_STEP 12500
+
+/* for LDO4-15 */
+#define MAX77826_PMOS_LDO_VOLT_MIN 800000
+#define MAX77826_PMOS_LDO_VOLT_MAX 3975000
+#define MAX77826_PMOS_LDO_VOLT_STEP 25000
+
+/* for BUCK */
+#define MAX77826_BUCK_VOLT_MIN 500000
+#define MAX77826_BUCK_VOLT_MAX 1800000
+#define MAX77826_BUCK_VOLT_STEP 6250
+
+/* for BUCKBOOST */
+#define MAX77826_BUCKBOOST_VOLT_MIN 2600000
+#define MAX77826_BUCKBOOST_VOLT_MAX 4187500
+#define MAX77826_BUCKBOOST_VOLT_STEP 12500
+#define MAX77826_VOLT_RANGE(_type) \
+ ((MAX77826_ ## _type ## _VOLT_MAX - \
+ MAX77826_ ## _type ## _VOLT_MIN) / \
+ MAX77826_ ## _type ## _VOLT_STEP + 1)
+
+#define MAX77826_LDO(_id, _type) \
+ [MAX77826_LDO ## _id] = { \
+ .id = MAX77826_LDO ## _id, \
+ .name = "LDO"#_id, \
+ .of_match = of_match_ptr("LDO"#_id), \
+ .regulators_node = "regulators", \
+ .ops = &max77826_most_ops, \
+ .min_uV = MAX77826_ ## _type ## _LDO_VOLT_MIN, \
+ .uV_step = MAX77826_ ## _type ## _LDO_VOLT_STEP, \
+ .n_voltages = MAX77826_VOLT_RANGE(_type ## _LDO), \
+ .enable_reg = MAX77826_REG_LDO_OPMD1 + (_id - 1) / 4, \
+ .enable_mask = BIT(((_id - 1) % 4) * 2 + 1), \
+ .vsel_reg = MAX77826_REG_LDO1_CFG + (_id - 1), \
+ .vsel_mask = MAX77826_MASK_LDO, \
+ .owner = THIS_MODULE, \
+ }
+
+#define MAX77826_BUCK(_idx, _id, _ops) \
+ [MAX77826_ ## _id] = { \
+ .id = MAX77826_ ## _id, \
+ .name = #_id, \
+ .of_match = of_match_ptr(#_id), \
+ .regulators_node = "regulators", \
+ .ops = &_ops, \
+ .min_uV = MAX77826_ ## _id ## _VOLT_MIN, \
+ .uV_step = MAX77826_ ## _id ## _VOLT_STEP, \
+ .n_voltages = MAX77826_VOLT_RANGE(_id), \
+ .enable_reg = MAX77826_REG_B_BB_OPMD, \
+ .enable_mask = BIT(_idx * 2 + 1), \
+ .vsel_reg = MAX77826_REG_BUCK_VOUT + _idx * 2, \
+ .vsel_mask = MAX77826_MASK_ ## _id, \
+ .owner = THIS_MODULE, \
+ }
+
+
+
+struct max77826_regulator_info {
+ struct regmap *regmap;
+ struct regulator_desc *rdesc;
+};
+
+static const struct regmap_config max77826_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = MAX77826_REG_DEVICE_ID,
+};
+
+static int max77826_set_voltage_time_sel(struct regulator_dev *,
+ unsigned int old_selector,
+ unsigned int new_selector);
+
+static const struct regulator_ops max77826_most_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+};
+
+static const struct regulator_ops max77826_buck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .set_voltage_time_sel = max77826_set_voltage_time_sel,
+};
+
+static struct regulator_desc max77826_regulators_desc[] = {
+ MAX77826_LDO(1, NMOS),
+ MAX77826_LDO(2, NMOS),
+ MAX77826_LDO(3, NMOS),
+ MAX77826_LDO(4, PMOS),
+ MAX77826_LDO(5, PMOS),
+ MAX77826_LDO(6, PMOS),
+ MAX77826_LDO(7, PMOS),
+ MAX77826_LDO(8, PMOS),
+ MAX77826_LDO(9, PMOS),
+ MAX77826_LDO(10, PMOS),
+ MAX77826_LDO(11, PMOS),
+ MAX77826_LDO(12, PMOS),
+ MAX77826_LDO(13, PMOS),
+ MAX77826_LDO(14, PMOS),
+ MAX77826_LDO(15, PMOS),
+ MAX77826_BUCK(0, BUCK, max77826_buck_ops),
+ MAX77826_BUCK(1, BUCKBOOST, max77826_most_ops),
+};
+
+static int max77826_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector,
+ unsigned int new_selector)
+{
+ if (new_selector > old_selector) {
+ return DIV_ROUND_UP(MAX77826_BUCK_VOLT_STEP *
+ (new_selector - old_selector),
+ MAX77826_BUCK_RAMP_DELAY);
+ }
+
+ return 0;
+}
+
+static int max77826_read_device_id(struct regmap *regmap, struct device *dev)
+{
+ unsigned int device_id;
+ int res;
+
+ res = regmap_read(regmap, MAX77826_REG_DEVICE_ID, &device_id);
+ if (!res)
+ dev_dbg(dev, "DEVICE_ID: 0x%x\n", device_id);
+
+ return res;
+}
+
+static int max77826_i2c_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct max77826_regulator_info *info;
+ struct regulator_config config = {};
+ struct regulator_dev *rdev;
+ struct regmap *regmap;
+ int i;
+
+ info = devm_kzalloc(dev, sizeof(struct max77826_regulator_info),
+ GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ info->rdesc = max77826_regulators_desc;
+ regmap = devm_regmap_init_i2c(client, &max77826_regmap_config);
+ if (IS_ERR(regmap)) {
+ dev_err(dev, "Failed to allocate regmap!\n");
+ return PTR_ERR(regmap);
+ }
+
+ info->regmap = regmap;
+ i2c_set_clientdata(client, info);
+
+ config.dev = dev;
+ config.regmap = regmap;
+ config.driver_data = info;
+
+ for (i = 0; i < MAX77826_MAX_REGULATORS; i++) {
+ rdev = devm_regulator_register(dev,
+ &max77826_regulators_desc[i],
+ &config);
+ if (IS_ERR(rdev)) {
+ dev_err(dev, "Failed to register regulator!\n");
+ return PTR_ERR(rdev);
+ }
+ }
+
+ return max77826_read_device_id(regmap, dev);
+}
+
+static const struct of_device_id max77826_of_match[] = {
+ { .compatible = "maxim,max77826" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, max77826_of_match);
+
+static const struct i2c_device_id max77826_id[] = {
+ { "max77826-regulator" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(i2c, max77826_id);
+
+static struct i2c_driver max77826_regulator_driver = {
+ .driver = {
+ .name = "max77826",
+ .of_match_table = of_match_ptr(max77826_of_match),
+ },
+ .probe_new = max77826_i2c_probe,
+ .id_table = max77826_id,
+};
+module_i2c_driver(max77826_regulator_driver);
+
+MODULE_AUTHOR("Iskren Chernev <iskren.chernev@gmail.com>");
+MODULE_DESCRIPTION("MAX77826 PMIC regulator driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 60599c3bb845..340413bba0c5 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -33,6 +33,10 @@ struct max8998_data {
unsigned int buck2_idx;
};
+static const unsigned int charger_current_table[] = {
+ 90000, 380000, 475000, 550000, 570000, 600000, 700000, 800000,
+};
+
static int max8998_get_enable_register(struct regulator_dev *rdev,
int *reg, int *shift)
{
@@ -63,6 +67,10 @@ static int max8998_get_enable_register(struct regulator_dev *rdev,
*reg = MAX8998_REG_CHGR2;
*shift = 7 - (ldo - MAX8998_ESAFEOUT1);
break;
+ case MAX8998_CHARGER:
+ *reg = MAX8998_REG_CHGR2;
+ *shift = 0;
+ break;
default:
return -EINVAL;
}
@@ -88,6 +96,11 @@ static int max8998_ldo_is_enabled(struct regulator_dev *rdev)
return val & (1 << shift);
}
+static int max8998_ldo_is_enabled_inverted(struct regulator_dev *rdev)
+{
+ return (!max8998_ldo_is_enabled(rdev));
+}
+
static int max8998_ldo_enable(struct regulator_dev *rdev)
{
struct max8998_data *max8998 = rdev_get_drvdata(rdev);
@@ -358,6 +371,74 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev,
return 0;
}
+static int max8998_set_current_limit(struct regulator_dev *rdev,
+ int min_uA, int max_uA)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ struct i2c_client *i2c = max8998->iodev->i2c;
+ unsigned int n_currents = rdev->desc->n_current_limits;
+ int i, sel = -1;
+
+ if (n_currents == 0)
+ return -EINVAL;
+
+ if (rdev->desc->curr_table) {
+ const unsigned int *curr_table = rdev->desc->curr_table;
+ bool ascend = curr_table[n_currents - 1] > curr_table[0];
+
+ /* search for closest to maximum */
+ if (ascend) {
+ for (i = n_currents - 1; i >= 0; i--) {
+ if (min_uA <= curr_table[i] &&
+ curr_table[i] <= max_uA) {
+ sel = i;
+ break;
+ }
+ }
+ } else {
+ for (i = 0; i < n_currents; i++) {
+ if (min_uA <= curr_table[i] &&
+ curr_table[i] <= max_uA) {
+ sel = i;
+ break;
+ }
+ }
+ }
+ }
+
+ if (sel < 0)
+ return -EINVAL;
+
+ sel <<= ffs(rdev->desc->csel_mask) - 1;
+
+ return max8998_update_reg(i2c, rdev->desc->csel_reg,
+ sel, rdev->desc->csel_mask);
+}
+
+int max8998_get_current_limit(struct regulator_dev *rdev)
+{
+ struct max8998_data *max8998 = rdev_get_drvdata(rdev);
+ struct i2c_client *i2c = max8998->iodev->i2c;
+ u8 val;
+ int ret;
+
+ ret = max8998_read_reg(i2c, rdev->desc->csel_reg, &val);
+ if (ret != 0)
+ return ret;
+
+ val &= rdev->desc->csel_mask;
+ val >>= ffs(rdev->desc->csel_mask) - 1;
+
+ if (rdev->desc->curr_table) {
+ if (val >= rdev->desc->n_current_limits)
+ return -EINVAL;
+
+ return rdev->desc->curr_table[val];
+ }
+
+ return -EINVAL;
+}
+
static const struct regulator_ops max8998_ldo_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
@@ -379,6 +460,15 @@ static const struct regulator_ops max8998_buck_ops = {
.set_voltage_time_sel = max8998_set_voltage_buck_time_sel,
};
+static const struct regulator_ops max8998_charger_ops = {
+ .set_current_limit = max8998_set_current_limit,
+ .get_current_limit = max8998_get_current_limit,
+ .is_enabled = max8998_ldo_is_enabled_inverted,
+ /* Swapped as register is inverted */
+ .enable = max8998_ldo_disable,
+ .disable = max8998_ldo_enable,
+};
+
static const struct regulator_ops max8998_others_ops = {
.is_enabled = max8998_ldo_is_enabled,
.enable = max8998_ldo_enable,
@@ -397,6 +487,19 @@ static const struct regulator_ops max8998_others_ops = {
.owner = THIS_MODULE, \
}
+#define MAX8998_CURRENT_REG(_name, _ops, _table, _reg, _mask) \
+ { \
+ .name = #_name, \
+ .id = MAX8998_##_name, \
+ .ops = _ops, \
+ .curr_table = _table, \
+ .n_current_limits = ARRAY_SIZE(_table), \
+ .csel_reg = _reg, \
+ .csel_mask = _mask, \
+ .type = REGULATOR_CURRENT, \
+ .owner = THIS_MODULE, \
+ }
+
#define MAX8998_OTHERS_REG(_name, _id) \
{ \
.name = #_name, \
@@ -432,6 +535,8 @@ static const struct regulator_desc regulators[] = {
MAX8998_OTHERS_REG(ENVICHG, MAX8998_ENVICHG),
MAX8998_OTHERS_REG(ESAFEOUT1, MAX8998_ESAFEOUT1),
MAX8998_OTHERS_REG(ESAFEOUT2, MAX8998_ESAFEOUT2),
+ MAX8998_CURRENT_REG(CHARGER, &max8998_charger_ops,
+ charger_current_table, MAX8998_REG_CHGR1, 0x7),
};
static int max8998_pmic_dt_parse_dvs_gpio(struct max8998_dev *iodev,
diff --git a/drivers/regulator/mcp16502.c b/drivers/regulator/mcp16502.c
index e5a02711cb46..6d0ad74935b3 100644
--- a/drivers/regulator/mcp16502.c
+++ b/drivers/regulator/mcp16502.c
@@ -391,11 +391,11 @@ static const struct of_device_id mcp16502_ids[] = {
};
MODULE_DEVICE_TABLE(of, mcp16502_ids);
-static const struct regulator_linear_range b1l12_ranges[] = {
+static const struct linear_range b1l12_ranges[] = {
REGULATOR_LINEAR_RANGE(1200000, VDD_LOW_SEL, VDD_HIGH_SEL, 50000),
};
-static const struct regulator_linear_range b234_ranges[] = {
+static const struct linear_range b234_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, VDD_LOW_SEL, VDD_HIGH_SEL, 25000),
};
diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c
index 6ed987648188..f2300714d5a9 100644
--- a/drivers/regulator/mp8859.c
+++ b/drivers/regulator/mp8859.c
@@ -73,7 +73,7 @@ static int mp8859_get_voltage_sel(struct regulator_dev *rdev)
return val;
}
-static const struct regulator_linear_range mp8859_dcdc_ranges[] = {
+static const struct linear_range mp8859_dcdc_ranges[] = {
REGULATOR_LINEAR_RANGE(0, VOL_MIN_IDX, VOL_MAX_IDX, 10000),
};
diff --git a/drivers/regulator/mt6323-regulator.c b/drivers/regulator/mt6323-regulator.c
index 893ea190788a..ff9016170db3 100644
--- a/drivers/regulator/mt6323-regulator.c
+++ b/drivers/regulator/mt6323-regulator.c
@@ -102,15 +102,15 @@ struct mt6323_regulator_info {
.modeset_mask = _modeset_mask, \
}
-static const struct regulator_linear_range buck_volt_range1[] = {
+static const struct linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(700000, 0, 0x7f, 6250),
};
-static const struct regulator_linear_range buck_volt_range2[] = {
+static const struct linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(1400000, 0, 0x7f, 12500),
};
-static const struct regulator_linear_range buck_volt_range3[] = {
+static const struct linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x3f, 50000),
};
diff --git a/drivers/regulator/mt6358-regulator.c b/drivers/regulator/mt6358-regulator.c
index ba42682e06f3..13cb6ac9a892 100644
--- a/drivers/regulator/mt6358-regulator.c
+++ b/drivers/regulator/mt6358-regulator.c
@@ -137,19 +137,19 @@ struct mt6358_regulator_info {
.qi = BIT(15), \
}
-static const struct regulator_linear_range buck_volt_range1[] = {
+static const struct linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x7f, 6250),
};
-static const struct regulator_linear_range buck_volt_range2[] = {
+static const struct linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x7f, 12500),
};
-static const struct regulator_linear_range buck_volt_range3[] = {
+static const struct linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 0x3f, 50000),
};
-static const struct regulator_linear_range buck_volt_range4[] = {
+static const struct linear_range buck_volt_range4[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 0x7f, 12500),
};
diff --git a/drivers/regulator/mt6380-regulator.c b/drivers/regulator/mt6380-regulator.c
index b6aed090b5e0..9efd8710a6f3 100644
--- a/drivers/regulator/mt6380-regulator.c
+++ b/drivers/regulator/mt6380-regulator.c
@@ -152,15 +152,15 @@ struct mt6380_regulator_info {
.modeset_mask = _modeset_mask, \
}
-static const struct regulator_linear_range buck_volt_range1[] = {
+static const struct linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250),
};
-static const struct regulator_linear_range buck_volt_range2[] = {
+static const struct linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0xfe, 6250),
};
-static const struct regulator_linear_range buck_volt_range3[] = {
+static const struct linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(1200000, 0, 0x3c, 25000),
};
diff --git a/drivers/regulator/mt6397-regulator.c b/drivers/regulator/mt6397-regulator.c
index fd9ed864a0c1..269c2a6028e8 100644
--- a/drivers/regulator/mt6397-regulator.c
+++ b/drivers/regulator/mt6397-regulator.c
@@ -102,15 +102,15 @@ struct mt6397_regulator_info {
.qi = BIT(15), \
}
-static const struct regulator_linear_range buck_volt_range1[] = {
+static const struct linear_range buck_volt_range1[] = {
REGULATOR_LINEAR_RANGE(700000, 0, 0x7f, 6250),
};
-static const struct regulator_linear_range buck_volt_range2[] = {
+static const struct linear_range buck_volt_range2[] = {
REGULATOR_LINEAR_RANGE(800000, 0, 0x7f, 6250),
};
-static const struct regulator_linear_range buck_volt_range3[] = {
+static const struct linear_range buck_volt_range3[] = {
REGULATOR_LINEAR_RANGE(1500000, 0, 0x1f, 20000),
};
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 31325912d311..337dd614695e 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -22,14 +22,14 @@
#include <linux/of_platform.h>
#include <linux/regulator/of_regulator.h>
-static const struct regulator_linear_range smps_low_ranges[] = {
+static const struct linear_range smps_low_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(500000, 0x1, 0x6, 0),
REGULATOR_LINEAR_RANGE(510000, 0x7, 0x79, 10000),
REGULATOR_LINEAR_RANGE(1650000, 0x7A, 0x7f, 0),
};
-static const struct regulator_linear_range smps_high_ranges[] = {
+static const struct linear_range smps_high_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x6, 0),
REGULATOR_LINEAR_RANGE(1020000, 0x7, 0x79, 20000),
diff --git a/drivers/regulator/qcom-rpmh-regulator.c b/drivers/regulator/qcom-rpmh-regulator.c
index c86ad40015ce..79bdc129cb50 100644
--- a/drivers/regulator/qcom-rpmh-regulator.c
+++ b/drivers/regulator/qcom-rpmh-regulator.c
@@ -86,7 +86,7 @@ enum rpmh_regulator_type {
struct rpmh_vreg_hw_data {
enum rpmh_regulator_type regulator_type;
const struct regulator_ops *ops;
- const struct regulator_linear_range voltage_range;
+ const struct linear_range voltage_range;
int n_voltages;
int hpm_min_load_uA;
const int *pmic_mode_map;
@@ -832,11 +832,11 @@ static const struct rpmh_vreg_init_data pm8150_vreg_data[] = {
RPMH_VREG("ldo10", "ldo%s10", &pmic5_pldo, "vdd-l2-l10"),
RPMH_VREG("ldo11", "ldo%s11", &pmic5_nldo, "vdd-l1-l8-l11"),
RPMH_VREG("ldo12", "ldo%s12", &pmic5_pldo_lv, "vdd-l7-l12-l14-l15"),
- RPMH_VREG("ldo13", "ldo%s13", &pmic5_pldo, "vdd-l13-l6-l17"),
+ RPMH_VREG("ldo13", "ldo%s13", &pmic5_pldo, "vdd-l13-l16-l17"),
RPMH_VREG("ldo14", "ldo%s14", &pmic5_pldo_lv, "vdd-l7-l12-l14-l15"),
RPMH_VREG("ldo15", "ldo%s15", &pmic5_pldo_lv, "vdd-l7-l12-l14-l15"),
- RPMH_VREG("ldo16", "ldo%s16", &pmic5_pldo, "vdd-l13-l6-l17"),
- RPMH_VREG("ldo17", "ldo%s17", &pmic5_pldo, "vdd-l13-l6-l17"),
+ RPMH_VREG("ldo16", "ldo%s16", &pmic5_pldo, "vdd-l13-l16-l17"),
+ RPMH_VREG("ldo17", "ldo%s17", &pmic5_pldo, "vdd-l13-l16-l17"),
RPMH_VREG("ldo18", "ldo%s18", &pmic5_nldo, "vdd-l3-l4-l5-l18"),
{},
};
@@ -857,7 +857,7 @@ static const struct rpmh_vreg_init_data pm8150l_vreg_data[] = {
RPMH_VREG("ldo5", "ldo%s5", &pmic5_pldo, "vdd-l4-l5-l6"),
RPMH_VREG("ldo6", "ldo%s6", &pmic5_pldo, "vdd-l4-l5-l6"),
RPMH_VREG("ldo7", "ldo%s7", &pmic5_pldo, "vdd-l7-l11"),
- RPMH_VREG("ldo8", "ldo%s8", &pmic5_pldo_lv, "vdd-l1-l8-l11"),
+ RPMH_VREG("ldo8", "ldo%s8", &pmic5_pldo_lv, "vdd-l1-l8"),
RPMH_VREG("ldo9", "ldo%s9", &pmic5_pldo, "vdd-l9-l10"),
RPMH_VREG("ldo10", "ldo%s10", &pmic5_pldo, "vdd-l9-l10"),
RPMH_VREG("ldo11", "ldo%s11", &pmic5_pldo, "vdd-l7-l11"),
diff --git a/drivers/regulator/qcom_rpm-regulator.c b/drivers/regulator/qcom_rpm-regulator.c
index 7fc97f23fcf4..0066f850f15d 100644
--- a/drivers/regulator/qcom_rpm-regulator.c
+++ b/drivers/regulator/qcom_rpm-regulator.c
@@ -148,41 +148,41 @@ static const struct rpm_reg_parts rpm8960_ncp_parts = {
/*
* Physically available PMIC regulator voltage ranges
*/
-static const struct regulator_linear_range pldo_ranges[] = {
+static const struct linear_range pldo_ranges[] = {
REGULATOR_LINEAR_RANGE( 750000, 0, 59, 12500),
REGULATOR_LINEAR_RANGE(1500000, 60, 123, 25000),
REGULATOR_LINEAR_RANGE(3100000, 124, 160, 50000),
};
-static const struct regulator_linear_range nldo_ranges[] = {
+static const struct linear_range nldo_ranges[] = {
REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500),
};
-static const struct regulator_linear_range nldo1200_ranges[] = {
+static const struct linear_range nldo1200_ranges[] = {
REGULATOR_LINEAR_RANGE( 375000, 0, 59, 6250),
REGULATOR_LINEAR_RANGE( 750000, 60, 123, 12500),
};
-static const struct regulator_linear_range smps_ranges[] = {
+static const struct linear_range smps_ranges[] = {
REGULATOR_LINEAR_RANGE( 375000, 0, 29, 12500),
REGULATOR_LINEAR_RANGE( 750000, 30, 89, 12500),
REGULATOR_LINEAR_RANGE(1500000, 90, 153, 25000),
};
-static const struct regulator_linear_range ftsmps_ranges[] = {
+static const struct linear_range ftsmps_ranges[] = {
REGULATOR_LINEAR_RANGE( 350000, 0, 6, 50000),
REGULATOR_LINEAR_RANGE( 700000, 7, 63, 12500),
REGULATOR_LINEAR_RANGE(1500000, 64, 100, 50000),
};
-static const struct regulator_linear_range smb208_ranges[] = {
+static const struct linear_range smb208_ranges[] = {
REGULATOR_LINEAR_RANGE( 375000, 0, 29, 12500),
REGULATOR_LINEAR_RANGE( 750000, 30, 89, 12500),
REGULATOR_LINEAR_RANGE(1500000, 90, 153, 25000),
REGULATOR_LINEAR_RANGE(3100000, 154, 234, 25000),
};
-static const struct regulator_linear_range ncp_ranges[] = {
+static const struct linear_range ncp_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 0, 31, 50000),
};
@@ -604,16 +604,6 @@ static const struct qcom_rpm_reg pm8921_smps = {
.supports_force_mode_bypass = false,
};
-static const struct qcom_rpm_reg pm8921_ftsmps = {
- .desc.linear_ranges = ftsmps_ranges,
- .desc.n_linear_ranges = ARRAY_SIZE(ftsmps_ranges),
- .desc.n_voltages = 101,
- .desc.ops = &uV_ops,
- .parts = &rpm8960_smps_parts,
- .supports_force_mode_auto = true,
- .supports_force_mode_bypass = false,
-};
-
static const struct qcom_rpm_reg pm8921_ncp = {
.desc.linear_ranges = ncp_ranges,
.desc.n_linear_ranges = ARRAY_SIZE(ncp_ranges),
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index fdde4195cefb..53a64d856926 100644
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -199,7 +199,7 @@ static const struct regulator_ops rpm_bob_ops = {
};
static const struct regulator_desc pma8084_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500),
REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
},
@@ -209,7 +209,7 @@ static const struct regulator_desc pma8084_hfsmps = {
};
static const struct regulator_desc pma8084_ftsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000),
REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000),
},
@@ -219,7 +219,7 @@ static const struct regulator_desc pma8084_ftsmps = {
};
static const struct regulator_desc pma8084_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500),
REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
@@ -230,7 +230,7 @@ static const struct regulator_desc pma8084_pldo = {
};
static const struct regulator_desc pma8084_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
},
.n_linear_ranges = 1,
@@ -243,7 +243,7 @@ static const struct regulator_desc pma8084_switch = {
};
static const struct regulator_desc pm8x41_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE( 375000, 0, 95, 12500),
REGULATOR_LINEAR_RANGE(1575000, 96, 158, 25000),
},
@@ -253,7 +253,7 @@ static const struct regulator_desc pm8x41_hfsmps = {
};
static const struct regulator_desc pm8841_ftsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000),
REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000),
},
@@ -263,7 +263,7 @@ static const struct regulator_desc pm8841_ftsmps = {
};
static const struct regulator_desc pm8941_boost = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(4000000, 0, 30, 50000),
},
.n_linear_ranges = 1,
@@ -272,7 +272,7 @@ static const struct regulator_desc pm8941_boost = {
};
static const struct regulator_desc pm8941_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500),
REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
@@ -283,7 +283,7 @@ static const struct regulator_desc pm8941_pldo = {
};
static const struct regulator_desc pm8941_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
},
.n_linear_ranges = 1,
@@ -302,7 +302,7 @@ static const struct regulator_desc pm8941_switch = {
};
static const struct regulator_desc pm8916_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(750000, 0, 208, 12500),
},
.n_linear_ranges = 1,
@@ -311,7 +311,7 @@ static const struct regulator_desc pm8916_pldo = {
};
static const struct regulator_desc pm8916_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(375000, 0, 93, 12500),
},
.n_linear_ranges = 1,
@@ -320,7 +320,7 @@ static const struct regulator_desc pm8916_nldo = {
};
static const struct regulator_desc pm8916_buck_lvo_smps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500),
REGULATOR_LINEAR_RANGE(750000, 96, 127, 25000),
},
@@ -330,7 +330,7 @@ static const struct regulator_desc pm8916_buck_lvo_smps = {
};
static const struct regulator_desc pm8916_buck_hvo_smps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1550000, 0, 31, 25000),
},
.n_linear_ranges = 1,
@@ -339,7 +339,7 @@ static const struct regulator_desc pm8916_buck_hvo_smps = {
};
static const struct regulator_desc pm8950_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(375000, 0, 95, 12500),
REGULATOR_LINEAR_RANGE(1550000, 96, 127, 25000),
},
@@ -349,7 +349,7 @@ static const struct regulator_desc pm8950_hfsmps = {
};
static const struct regulator_desc pm8950_ftsmps2p5 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(80000, 0, 255, 5000),
REGULATOR_LINEAR_RANGE(160000, 256, 460, 10000),
},
@@ -359,7 +359,7 @@ static const struct regulator_desc pm8950_ftsmps2p5 = {
};
static const struct regulator_desc pm8950_ult_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(375000, 0, 202, 12500),
},
.n_linear_ranges = 1,
@@ -368,7 +368,7 @@ static const struct regulator_desc pm8950_ult_nldo = {
};
static const struct regulator_desc pm8950_ult_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1750000, 0, 127, 12500),
},
.n_linear_ranges = 1,
@@ -377,7 +377,7 @@ static const struct regulator_desc pm8950_ult_pldo = {
};
static const struct regulator_desc pm8950_pldo_lv = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1500000, 0, 16, 25000),
},
.n_linear_ranges = 1,
@@ -386,7 +386,7 @@ static const struct regulator_desc pm8950_pldo_lv = {
};
static const struct regulator_desc pm8950_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(975000, 0, 164, 12500),
},
.n_linear_ranges = 1,
@@ -396,7 +396,7 @@ static const struct regulator_desc pm8950_pldo = {
static const struct regulator_desc pm8994_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE( 375000, 0, 95, 12500),
REGULATOR_LINEAR_RANGE(1550000, 96, 158, 25000),
},
@@ -406,7 +406,7 @@ static const struct regulator_desc pm8994_hfsmps = {
};
static const struct regulator_desc pm8994_ftsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(350000, 0, 199, 5000),
REGULATOR_LINEAR_RANGE(700000, 200, 349, 10000),
},
@@ -416,7 +416,7 @@ static const struct regulator_desc pm8994_ftsmps = {
};
static const struct regulator_desc pm8994_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(750000, 0, 63, 12500),
},
.n_linear_ranges = 1,
@@ -425,7 +425,7 @@ static const struct regulator_desc pm8994_nldo = {
};
static const struct regulator_desc pm8994_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500),
REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000),
REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000),
@@ -446,7 +446,7 @@ static const struct regulator_desc pm8994_lnldo = {
};
static const struct regulator_desc pmi8994_ftsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(350000, 0, 199, 5000),
REGULATOR_LINEAR_RANGE(700000, 200, 349, 10000),
},
@@ -456,7 +456,7 @@ static const struct regulator_desc pmi8994_ftsmps = {
};
static const struct regulator_desc pmi8994_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(350000, 0, 80, 12500),
REGULATOR_LINEAR_RANGE(700000, 81, 141, 25000),
},
@@ -466,7 +466,7 @@ static const struct regulator_desc pmi8994_hfsmps = {
};
static const struct regulator_desc pmi8994_bby = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(3000000, 0, 44, 50000),
},
.n_linear_ranges = 1,
@@ -475,7 +475,7 @@ static const struct regulator_desc pmi8994_bby = {
};
static const struct regulator_desc pmi8994_boost = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(4000000, 0, 30, 50000),
},
.n_linear_ranges = 1,
@@ -484,7 +484,7 @@ static const struct regulator_desc pmi8994_boost = {
};
static const struct regulator_desc pm8998_ftsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 258, 4000),
},
.n_linear_ranges = 1,
@@ -493,7 +493,7 @@ static const struct regulator_desc pm8998_ftsmps = {
};
static const struct regulator_desc pm8998_hfsmps = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
},
.n_linear_ranges = 1,
@@ -502,7 +502,7 @@ static const struct regulator_desc pm8998_hfsmps = {
};
static const struct regulator_desc pm8998_nldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
},
.n_linear_ranges = 1,
@@ -511,7 +511,7 @@ static const struct regulator_desc pm8998_nldo = {
};
static const struct regulator_desc pm8998_pldo = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1664000, 0, 255, 8000),
},
.n_linear_ranges = 1,
@@ -520,7 +520,7 @@ static const struct regulator_desc pm8998_pldo = {
};
static const struct regulator_desc pm8998_pldo_lv = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1256000, 0, 127, 8000),
},
.n_linear_ranges = 1,
@@ -533,7 +533,7 @@ static const struct regulator_desc pm8998_switch = {
};
static const struct regulator_desc pmi8998_bob = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1824000, 0, 83, 32000),
},
.n_linear_ranges = 1,
@@ -542,7 +542,7 @@ static const struct regulator_desc pmi8998_bob = {
};
static const struct regulator_desc pms405_hfsmps3 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(320000, 0, 215, 8000),
},
.n_linear_ranges = 1,
@@ -551,7 +551,7 @@ static const struct regulator_desc pms405_hfsmps3 = {
};
static const struct regulator_desc pms405_nldo300 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
},
.n_linear_ranges = 1,
@@ -560,7 +560,7 @@ static const struct regulator_desc pms405_nldo300 = {
};
static const struct regulator_desc pms405_nldo1200 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(312000, 0, 127, 8000),
},
.n_linear_ranges = 1,
@@ -569,7 +569,7 @@ static const struct regulator_desc pms405_nldo1200 = {
};
static const struct regulator_desc pms405_pldo50 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000),
},
.n_linear_ranges = 1,
@@ -578,7 +578,7 @@ static const struct regulator_desc pms405_pldo50 = {
};
static const struct regulator_desc pms405_pldo150 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1664000, 0, 128, 16000),
},
.n_linear_ranges = 1,
@@ -587,7 +587,7 @@ static const struct regulator_desc pms405_pldo150 = {
};
static const struct regulator_desc pms405_pldo600 = {
- .linear_ranges = (struct regulator_linear_range[]) {
+ .linear_ranges = (struct linear_range[]) {
REGULATOR_LINEAR_RANGE(1256000, 0, 98, 8000),
},
.n_linear_ranges = 1,
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 31f79fda3238..e926c1a85846 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -165,14 +165,14 @@ static const int rk808_buck_config_regs[] = {
RK808_BUCK4_CONFIG_REG,
};
-static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
+static const struct linear_range rk808_ldo3_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000),
REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0),
};
#define RK809_BUCK5_SEL_CNT (8)
-static const struct regulator_linear_range rk809_buck5_voltage_ranges[] = {
+static const struct linear_range rk809_buck5_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 0, 0, 0),
REGULATOR_LINEAR_RANGE(1800000, 1, 3, 200000),
REGULATOR_LINEAR_RANGE(2800000, 4, 5, 200000),
@@ -201,14 +201,14 @@ static const struct regulator_linear_range rk809_buck5_voltage_ranges[] = {
#define RK817_BUCK1_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK1_SEL1 + 1)
#define RK817_BUCK3_SEL_CNT (RK817_BUCK1_SEL0 + RK817_BUCK3_SEL1 + 1)
-static const struct regulator_linear_range rk817_buck1_voltage_ranges[] = {
+static const struct linear_range rk817_buck1_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
RK817_BUCK1_SEL_CNT, RK817_BUCK1_STP1),
};
-static const struct regulator_linear_range rk817_buck3_voltage_ranges[] = {
+static const struct linear_range rk817_buck3_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN0, 0,
RK817_BUCK1_SEL0, RK817_BUCK1_STP0),
REGULATOR_LINEAR_RANGE(RK817_BUCK1_MIN1, RK817_BUCK1_SEL0 + 1,
@@ -665,7 +665,7 @@ static const struct regulator_ops rk808_switch_ops = {
.set_suspend_disable = rk808_set_suspend_disable,
};
-static const struct regulator_linear_range rk805_buck_1_2_voltage_ranges[] = {
+static const struct linear_range rk805_buck_1_2_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(712500, 0, 59, 12500),
REGULATOR_LINEAR_RANGE(1800000, 60, 62, 200000),
REGULATOR_LINEAR_RANGE(2300000, 63, 63, 0),
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 23d288278957..33cf84bce05a 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -749,37 +749,37 @@ static const struct regulator_ops s2mps15_reg_buck_ops = {
}
/* voltage range for s2mps15 LDO 3, 5, 15, 16, 18, 20, 23 and 27 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges1[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges1[] = {
REGULATOR_LINEAR_RANGE(1000000, 0xc, 0x38, 25000),
};
/* voltage range for s2mps15 LDO 2, 6, 14, 17, 19, 21, 24 and 25 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges2[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges2[] = {
REGULATOR_LINEAR_RANGE(1800000, 0x0, 0x3f, 25000),
};
/* voltage range for s2mps15 LDO 4, 11, 12, 13, 22 and 26 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges3[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges3[] = {
REGULATOR_LINEAR_RANGE(700000, 0x0, 0x34, 12500),
};
/* voltage range for s2mps15 LDO 7, 8, 9 and 10 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges4[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges4[] = {
REGULATOR_LINEAR_RANGE(700000, 0x10, 0x20, 25000),
};
/* voltage range for s2mps15 LDO 1 */
-static const struct regulator_linear_range s2mps15_ldo_voltage_ranges5[] = {
+static const struct linear_range s2mps15_ldo_voltage_ranges5[] = {
REGULATOR_LINEAR_RANGE(500000, 0x0, 0x20, 12500),
};
/* voltage range for s2mps15 BUCK 1, 2, 3, 4, 5, 6 and 7 */
-static const struct regulator_linear_range s2mps15_buck_voltage_ranges1[] = {
+static const struct linear_range s2mps15_buck_voltage_ranges1[] = {
REGULATOR_LINEAR_RANGE(500000, 0x20, 0xc0, 6250),
};
/* voltage range for s2mps15 BUCK 8, 9 and 10 */
-static const struct regulator_linear_range s2mps15_buck_voltage_ranges2[] = {
+static const struct linear_range s2mps15_buck_voltage_ranges2[] = {
REGULATOR_LINEAR_RANGE(1000000, 0x20, 0x78, 12500),
};
diff --git a/drivers/regulator/sky81452-regulator.c b/drivers/regulator/sky81452-regulator.c
index 177dede82a61..37658affe072 100644
--- a/drivers/regulator/sky81452-regulator.c
+++ b/drivers/regulator/sky81452-regulator.c
@@ -32,7 +32,7 @@ static const struct regulator_ops sky81452_reg_ops = {
.is_enabled = regulator_is_enabled_regmap,
};
-static const struct regulator_linear_range sky81452_reg_ranges[] = {
+static const struct linear_range sky81452_reg_ranges[] = {
REGULATOR_LINEAR_RANGE(4500000, 0, 14, 250000),
REGULATOR_LINEAR_RANGE(9000000, 15, 31, 1000000),
};
diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c
index f3d7d007ecbb..adc9973d1b2f 100644
--- a/drivers/regulator/stpmic1_regulator.c
+++ b/drivers/regulator/stpmic1_regulator.c
@@ -57,13 +57,13 @@ enum {
/* Ramp delay worst case is (2250uV/uS) */
#define PMIC_RAMP_DELAY 2200
-static const struct regulator_linear_range buck1_ranges[] = {
+static const struct linear_range buck1_ranges[] = {
REGULATOR_LINEAR_RANGE(725000, 0, 4, 0),
REGULATOR_LINEAR_RANGE(725000, 5, 36, 25000),
REGULATOR_LINEAR_RANGE(1500000, 37, 63, 0),
};
-static const struct regulator_linear_range buck2_ranges[] = {
+static const struct linear_range buck2_ranges[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 17, 0),
REGULATOR_LINEAR_RANGE(1050000, 18, 19, 0),
REGULATOR_LINEAR_RANGE(1100000, 20, 21, 0),
@@ -77,7 +77,7 @@ static const struct regulator_linear_range buck2_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 36, 63, 0),
};
-static const struct regulator_linear_range buck3_ranges[] = {
+static const struct linear_range buck3_ranges[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 19, 0),
REGULATOR_LINEAR_RANGE(1100000, 20, 23, 0),
REGULATOR_LINEAR_RANGE(1200000, 24, 27, 0),
@@ -87,7 +87,7 @@ static const struct regulator_linear_range buck3_ranges[] = {
REGULATOR_LINEAR_RANGE(3400000, 56, 63, 0),
};
-static const struct regulator_linear_range buck4_ranges[] = {
+static const struct linear_range buck4_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 27, 25000),
REGULATOR_LINEAR_RANGE(1300000, 28, 29, 0),
REGULATOR_LINEAR_RANGE(1350000, 30, 31, 0),
@@ -97,19 +97,19 @@ static const struct regulator_linear_range buck4_ranges[] = {
REGULATOR_LINEAR_RANGE(3900000, 61, 63, 0),
};
-static const struct regulator_linear_range ldo1_ranges[] = {
+static const struct linear_range ldo1_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0),
REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000),
REGULATOR_LINEAR_RANGE(3300000, 25, 31, 0),
};
-static const struct regulator_linear_range ldo2_ranges[] = {
+static const struct linear_range ldo2_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0),
REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000),
REGULATOR_LINEAR_RANGE(3300000, 25, 30, 0),
};
-static const struct regulator_linear_range ldo3_ranges[] = {
+static const struct linear_range ldo3_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0),
REGULATOR_LINEAR_RANGE(1700000, 8, 24, 100000),
REGULATOR_LINEAR_RANGE(3300000, 25, 30, 0),
@@ -117,13 +117,13 @@ static const struct regulator_linear_range ldo3_ranges[] = {
REGULATOR_LINEAR_RANGE(500000, 31, 31, 0),
};
-static const struct regulator_linear_range ldo5_ranges[] = {
+static const struct linear_range ldo5_ranges[] = {
REGULATOR_LINEAR_RANGE(1700000, 0, 7, 0),
REGULATOR_LINEAR_RANGE(1700000, 8, 30, 100000),
REGULATOR_LINEAR_RANGE(3900000, 31, 31, 0),
};
-static const struct regulator_linear_range ldo6_ranges[] = {
+static const struct linear_range ldo6_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 24, 100000),
REGULATOR_LINEAR_RANGE(3300000, 25, 31, 0),
};
diff --git a/drivers/regulator/tps65086-regulator.c b/drivers/regulator/tps65086-regulator.c
index 5a5e9b5bf4be..9910e949373c 100644
--- a/drivers/regulator/tps65086-regulator.c
+++ b/drivers/regulator/tps65086-regulator.c
@@ -71,23 +71,23 @@ struct tps65086_regulator {
unsigned int decay_mask;
};
-static const struct regulator_linear_range tps65086_10mv_ranges[] = {
+static const struct linear_range tps65086_10mv_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(410000, 0x1, 0x7F, 10000),
};
-static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {
+static const struct linear_range tps65086_buck126_25mv_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x18, 0),
REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),
};
-static const struct regulator_linear_range tps65086_buck345_25mv_ranges[] = {
+static const struct linear_range tps65086_buck345_25mv_ranges[] = {
REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(425000, 0x1, 0x7F, 25000),
};
-static const struct regulator_linear_range tps65086_ldoa1_ranges[] = {
+static const struct linear_range tps65086_ldoa1_ranges[] = {
REGULATOR_LINEAR_RANGE(1350000, 0x0, 0x0, 0),
REGULATOR_LINEAR_RANGE(1500000, 0x1, 0x7, 100000),
REGULATOR_LINEAR_RANGE(2300000, 0x8, 0xB, 100000),
@@ -95,7 +95,7 @@ static const struct regulator_linear_range tps65086_ldoa1_ranges[] = {
REGULATOR_LINEAR_RANGE(3300000, 0xE, 0xE, 0),
};
-static const struct regulator_linear_range tps65086_ldoa23_ranges[] = {
+static const struct linear_range tps65086_ldoa23_ranges[] = {
REGULATOR_LINEAR_RANGE(700000, 0x0, 0xD, 50000),
REGULATOR_LINEAR_RANGE(1400000, 0xE, 0xF, 100000),
};
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index 67ba78da77ec..d27dbbafcf72 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -56,14 +56,14 @@ static const unsigned int LDO1_VSEL_table[] = {
2800000, 3000000, 3100000, 3300000,
};
-static const struct regulator_linear_range tps65217_uv1_ranges[] = {
+static const struct linear_range tps65217_uv1_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 24, 25000),
REGULATOR_LINEAR_RANGE(1550000, 25, 52, 50000),
REGULATOR_LINEAR_RANGE(3000000, 53, 55, 100000),
REGULATOR_LINEAR_RANGE(3300000, 56, 63, 0),
};
-static const struct regulator_linear_range tps65217_uv2_ranges[] = {
+static const struct linear_range tps65217_uv2_ranges[] = {
REGULATOR_LINEAR_RANGE(1500000, 0, 8, 50000),
REGULATOR_LINEAR_RANGE(2000000, 9, 13, 100000),
REGULATOR_LINEAR_RANGE(2450000, 14, 31, 50000),
diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c
index b72035610013..05d13f807918 100644
--- a/drivers/regulator/tps65218-regulator.c
+++ b/drivers/regulator/tps65218-regulator.c
@@ -56,17 +56,17 @@
.bypass_mask = _sm, \
} \
-static const struct regulator_linear_range dcdc1_dcdc2_ranges[] = {
+static const struct linear_range dcdc1_dcdc2_ranges[] = {
REGULATOR_LINEAR_RANGE(850000, 0x0, 0x32, 10000),
REGULATOR_LINEAR_RANGE(1375000, 0x33, 0x3f, 25000),
};
-static const struct regulator_linear_range ldo1_dcdc3_ranges[] = {
+static const struct linear_range ldo1_dcdc3_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0x0, 0x1a, 25000),
REGULATOR_LINEAR_RANGE(1600000, 0x1b, 0x3f, 50000),
};
-static const struct regulator_linear_range dcdc4_ranges[] = {
+static const struct linear_range dcdc4_ranges[] = {
REGULATOR_LINEAR_RANGE(1175000, 0x0, 0xf, 25000),
REGULATOR_LINEAR_RANGE(1600000, 0x10, 0x34, 50000),
};
diff --git a/drivers/regulator/tps65912-regulator.c b/drivers/regulator/tps65912-regulator.c
index 276faeddc370..15c79931ea89 100644
--- a/drivers/regulator/tps65912-regulator.c
+++ b/drivers/regulator/tps65912-regulator.c
@@ -46,11 +46,11 @@ enum tps65912_regulators { DCDC1, DCDC2, DCDC3, DCDC4, LDO1, LDO2, LDO3,
.n_linear_ranges = ARRAY_SIZE(_lr), \
}
-static const struct regulator_linear_range tps65912_dcdc_ranges[] = {
+static const struct linear_range tps65912_dcdc_ranges[] = {
REGULATOR_LINEAR_RANGE(500000, 0x0, 0x3f, 50000),
};
-static const struct regulator_linear_range tps65912_ldo_ranges[] = {
+static const struct linear_range tps65912_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0x0, 0x20, 25000),
REGULATOR_LINEAR_RANGE(1650000, 0x21, 0x3c, 50000),
REGULATOR_LINEAR_RANGE(3100000, 0x3d, 0x3f, 100000),
diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c
index 85a6a8ca8c1b..a29e65230132 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -271,7 +271,7 @@ static int tps80031_vbus_is_enabled(struct regulator_dev *rdev)
{
struct tps80031_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_tps80031_dev(rdev);
- int ret = -EIO;
+ int ret;
uint8_t ctrl1 = 0;
uint8_t ctrl3 = 0;
@@ -322,7 +322,7 @@ static int tps80031_vbus_disable(struct regulator_dev *rdev)
{
struct tps80031_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_tps80031_dev(rdev);
- int ret = 0;
+ int ret;
if (ri->config_flags & TPS80031_VBUS_DISCHRG_EN_PDN) {
ret = tps80031_write(parent, TPS80031_SLAVE_ID2,
@@ -530,7 +530,8 @@ static int tps80031_regulator_config(struct device *parent,
case TPS80031_REGULATOR_LDOUSB:
if (ri->config_flags & (TPS80031_USBLDO_INPUT_VSYS |
TPS80031_USBLDO_INPUT_PMID)) {
- unsigned val = 0;
+ unsigned val;
+
if (ri->config_flags & TPS80031_USBLDO_INPUT_VSYS)
val = MISC2_LDOUSB_IN_VSYS;
else
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 866b4dd01da9..4a51cfea45ac 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -360,12 +360,12 @@ static const u16 VINTANA2_VSEL_table[] = {
};
/* 600mV to 1450mV in 12.5 mV steps */
-static const struct regulator_linear_range VDD1_ranges[] = {
+static const struct linear_range VDD1_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 68, 12500)
};
/* 600mV to 1450mV in 12.5 mV steps, everything above = 1500mV */
-static const struct regulator_linear_range VDD2_ranges[] = {
+static const struct linear_range VDD2_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 68, 12500),
REGULATOR_LINEAR_RANGE(1500000, 69, 69, 12500)
};
diff --git a/drivers/regulator/twl6030-regulator.c b/drivers/regulator/twl6030-regulator.c
index b8100c3cedad..f7db250a7583 100644
--- a/drivers/regulator/twl6030-regulator.c
+++ b/drivers/regulator/twl6030-regulator.c
@@ -495,7 +495,7 @@ static const struct regulator_ops twlsmps_ops = {
};
/*----------------------------------------------------------------------*/
-static const struct regulator_linear_range twl6030ldo_linear_range[] = {
+static const struct linear_range twl6030ldo_linear_range[] = {
REGULATOR_LINEAR_RANGE(0, 0, 0, 0),
REGULATOR_LINEAR_RANGE(1000000, 1, 24, 100000),
REGULATOR_LINEAR_RANGE(2750000, 31, 31, 0),
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 018dbbd96771..ad2203d11a88 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -204,7 +204,7 @@ static irqreturn_t wm831x_dcdc_oc_irq(int irq, void *data)
* BUCKV specifics
*/
-static const struct regulator_linear_range wm831x_buckv_ranges[] = {
+static const struct linear_range wm831x_buckv_ranges[] = {
REGULATOR_LINEAR_RANGE(600000, 0, 0x7, 0),
REGULATOR_LINEAR_RANGE(600000, 0x8, 0x68, 12500),
};
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 56754686c982..7b6cf4810cb7 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -59,7 +59,7 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
* General purpose LDOs
*/
-static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = {
+static const struct linear_range wm831x_gp_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000),
REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000),
};
@@ -312,7 +312,7 @@ static struct platform_driver wm831x_gp_ldo_driver = {
* Analogue LDOs
*/
-static const struct regulator_linear_range wm831x_aldo_ranges[] = {
+static const struct linear_range wm831x_aldo_ranges[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 12, 50000),
REGULATOR_LINEAR_RANGE(1700000, 13, 31, 100000),
};
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 56d6168a888d..ae5f0e7fce8b 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -470,7 +470,7 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev,
return 0;
}
-static const struct regulator_linear_range wm8350_ldo_ranges[] = {
+static const struct linear_range wm8350_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 15, 50000),
REGULATOR_LINEAR_RANGE(1800000, 16, 31, 100000),
};
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index 6f331b51e479..4cb1fbb59722 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -13,7 +13,7 @@
#include <linux/regulator/driver.h>
#include <linux/mfd/wm8400-private.h>
-static const struct regulator_linear_range wm8400_ldo_ranges[] = {
+static const struct linear_range wm8400_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(900000, 0, 14, 50000),
REGULATOR_LINEAR_RANGE(1700000, 15, 31, 100000),
};
diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h
index deb20096146a..0066c83636d0 100644
--- a/drivers/remoteproc/mtk_common.h
+++ b/drivers/remoteproc/mtk_common.h
@@ -68,7 +68,7 @@ struct mtk_scp {
wait_queue_head_t ack_wq;
void __iomem *cpu_addr;
- phys_addr_t phys_addr;
+ dma_addr_t dma_addr;
size_t dram_size;
struct rproc_subdev *rpmsg_subdev;
diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index ea3743e7e794..2bead57c9cf9 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -330,7 +330,7 @@ static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len)
if (offset >= 0 && (offset + len) < scp->sram_size)
return (void __force *)scp->sram_base + offset;
} else {
- offset = da - scp->phys_addr;
+ offset = da - scp->dma_addr;
if (offset >= 0 && (offset + len) < scp->dram_size)
return (void __force *)scp->cpu_addr + offset;
}
@@ -451,7 +451,7 @@ static int scp_map_memory_region(struct mtk_scp *scp)
/* Reserved SCP code size */
scp->dram_size = MAX_CODE_SIZE;
scp->cpu_addr = dma_alloc_coherent(scp->dev, scp->dram_size,
- &scp->phys_addr, GFP_KERNEL);
+ &scp->dma_addr, GFP_KERNEL);
if (!scp->cpu_addr)
return -ENOMEM;
@@ -461,7 +461,7 @@ static int scp_map_memory_region(struct mtk_scp *scp)
static void scp_unmap_memory_region(struct mtk_scp *scp)
{
dma_free_coherent(scp->dev, scp->dram_size, scp->cpu_addr,
- scp->phys_addr);
+ scp->dma_addr);
of_reserved_mem_device_release(scp->dev);
}
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index ce49c3236ff7..5475d4f808a8 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -367,7 +367,7 @@ unroll_pd_votes:
}
return ret;
-};
+}
static void q6v5_pds_disable(struct q6v5 *qproc, struct device **pds,
size_t pd_count)
@@ -1527,7 +1527,7 @@ unroll_attach:
dev_pm_domain_detach(devs[i], false);
return ret;
-};
+}
static void q6v5_pds_detach(struct q6v5 *qproc, struct device **pds,
size_t pd_count)
@@ -1675,7 +1675,7 @@ static int q6v5_probe(struct platform_device *pdev)
ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name",
1, &qproc->hexagon_mdt_image);
if (ret < 0 && ret != -EINVAL)
- return ret;
+ goto free_rproc;
platform_set_drvdata(pdev, qproc);
@@ -1766,17 +1766,23 @@ static int q6v5_probe(struct platform_device *pdev)
qproc->sysmon = qcom_add_sysmon_subdev(rproc, "modem", 0x12);
if (IS_ERR(qproc->sysmon)) {
ret = PTR_ERR(qproc->sysmon);
- goto detach_proxy_pds;
+ goto remove_subdevs;
}
ret = rproc_add(rproc);
if (ret)
- goto detach_proxy_pds;
+ goto remove_sysmon_subdev;
return 0;
-detach_proxy_pds:
+remove_sysmon_subdev:
+ qcom_remove_sysmon_subdev(qproc->sysmon);
+remove_subdevs:
qcom_remove_ipa_notify_subdev(qproc->rproc, &qproc->ipa_notify_subdev);
+ qcom_remove_ssr_subdev(rproc, &qproc->ssr_subdev);
+ qcom_remove_smd_subdev(rproc, &qproc->smd_subdev);
+ qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
+detach_proxy_pds:
q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
detach_active_pds:
q6v5_pds_detach(qproc, qproc->active_pds, qproc->active_pd_count);
@@ -1789,19 +1795,20 @@ free_rproc:
static int q6v5_remove(struct platform_device *pdev)
{
struct q6v5 *qproc = platform_get_drvdata(pdev);
+ struct rproc *rproc = qproc->rproc;
- rproc_del(qproc->rproc);
+ rproc_del(rproc);
qcom_remove_sysmon_subdev(qproc->sysmon);
- qcom_remove_ipa_notify_subdev(qproc->rproc, &qproc->ipa_notify_subdev);
- qcom_remove_glink_subdev(qproc->rproc, &qproc->glink_subdev);
- qcom_remove_smd_subdev(qproc->rproc, &qproc->smd_subdev);
- qcom_remove_ssr_subdev(qproc->rproc, &qproc->ssr_subdev);
+ qcom_remove_ipa_notify_subdev(rproc, &qproc->ipa_notify_subdev);
+ qcom_remove_ssr_subdev(rproc, &qproc->ssr_subdev);
+ qcom_remove_smd_subdev(rproc, &qproc->smd_subdev);
+ qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
- q6v5_pds_detach(qproc, qproc->active_pds, qproc->active_pd_count);
q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
+ q6v5_pds_detach(qproc, qproc->active_pds, qproc->active_pd_count);
- rproc_free(qproc->rproc);
+ rproc_free(rproc);
return 0;
}
diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index 7f8536b73295..52b871327b55 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -4,6 +4,7 @@
*/
#include <linux/remoteproc.h>
+#include <linux/slab.h>
#include "remoteproc_internal.h"
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 6a66dbf2df40..0bdd56f02f18 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -19,6 +19,7 @@
#include <linux/regmap.h>
#include <linux/remoteproc.h>
#include <linux/reset.h>
+#include <linux/slab.h>
#include <linux/workqueue.h>
#include "remoteproc_internal.h"
diff --git a/drivers/rpmsg/mtk_rpmsg.c b/drivers/rpmsg/mtk_rpmsg.c
index 232aa4e40133..83f2b8804ee9 100644
--- a/drivers/rpmsg/mtk_rpmsg.c
+++ b/drivers/rpmsg/mtk_rpmsg.c
@@ -8,6 +8,7 @@
#include <linux/platform_device.h>
#include <linux/remoteproc.h>
#include <linux/rpmsg/mtk_rpmsg.h>
+#include <linux/slab.h>
#include <linux/workqueue.h>
#include "rpmsg_internal.h"
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 7d079154f849..af5b0ecb8f89 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -143,9 +143,6 @@ int dasd_scan_partitions(struct dasd_block *block)
*/
void dasd_destroy_partitions(struct dasd_block *block)
{
- /* The two structs have 168/176 byte on 31/64 bit. */
- struct blkpg_partition bpart;
- struct blkpg_ioctl_arg barg;
struct block_device *bdev;
/*
@@ -155,19 +152,10 @@ void dasd_destroy_partitions(struct dasd_block *block)
bdev = block->bdev;
block->bdev = NULL;
- /*
- * See fs/partition/check.c:delete_partition
- * Can't call delete_partitions directly. Use ioctl.
- * The ioctl also does locking and invalidation.
- */
- memset(&bpart, 0, sizeof(struct blkpg_partition));
- memset(&barg, 0, sizeof(struct blkpg_ioctl_arg));
- barg.data = (void __force __user *) &bpart;
- barg.op = BLKPG_DEL_PARTITION;
- for (bpart.pno = block->gdp->minors - 1; bpart.pno > 0; bpart.pno--)
- ioctl_by_bdev(bdev, BLKPG, (unsigned long) &barg);
-
- invalidate_partition(block->gdp, 0);
+ mutex_lock(&bdev->bd_mutex);
+ blk_drop_partitions(bdev);
+ mutex_unlock(&bdev->bd_mutex);
+
/* Matching blkdev_put to the blkdev_get in dasd_scan_partitions. */
blkdev_put(bdev, FMODE_READ);
set_capacity(block->gdp, 0);
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 9a5f3add325f..777734d1b4e5 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -22,6 +22,7 @@
#include <asm/schid.h>
#include <asm/cmb.h>
#include <linux/uaccess.h>
+#include <linux/dasd_mod.h>
/* This is ugly... */
#define PRINTK_HEADER "dasd_ioctl:"
@@ -457,10 +458,9 @@ static int dasd_ioctl_read_profile(struct dasd_block *block, void __user *argp)
/*
* Return dasd information. Used for BIODASDINFO and BIODASDINFO2.
*/
-static int dasd_ioctl_information(struct dasd_block *block,
- unsigned int cmd, void __user *argp)
+static int __dasd_ioctl_information(struct dasd_block *block,
+ struct dasd_information2_t *dasd_info)
{
- struct dasd_information2_t *dasd_info;
struct subchannel_id sch_id;
struct ccw_dev_id dev_id;
struct dasd_device *base;
@@ -473,15 +473,9 @@ static int dasd_ioctl_information(struct dasd_block *block,
if (!base->discipline || !base->discipline->fill_info)
return -EINVAL;
- dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
- if (dasd_info == NULL)
- return -ENOMEM;
-
rc = base->discipline->fill_info(base, dasd_info);
- if (rc) {
- kfree(dasd_info);
+ if (rc)
return rc;
- }
cdev = base->cdev;
ccw_device_get_id(cdev, &dev_id);
@@ -520,15 +514,24 @@ static int dasd_ioctl_information(struct dasd_block *block,
list_for_each(l, &base->ccw_queue)
dasd_info->chanq_len++;
spin_unlock_irqrestore(&block->queue_lock, flags);
+ return 0;
+}
- rc = 0;
- if (copy_to_user(argp, dasd_info,
- ((cmd == (unsigned int) BIODASDINFO2) ?
- sizeof(struct dasd_information2_t) :
- sizeof(struct dasd_information_t))))
- rc = -EFAULT;
+static int dasd_ioctl_information(struct dasd_block *block, void __user *argp,
+ size_t copy_size)
+{
+ struct dasd_information2_t *dasd_info;
+ int error;
+
+ dasd_info = kzalloc(sizeof(*dasd_info), GFP_KERNEL);
+ if (!dasd_info)
+ return -ENOMEM;
+
+ error = __dasd_ioctl_information(block, dasd_info);
+ if (!error && copy_to_user(argp, dasd_info, copy_size))
+ error = -EFAULT;
kfree(dasd_info);
- return rc;
+ return error;
}
/*
@@ -622,10 +625,12 @@ int dasd_ioctl(struct block_device *bdev, fmode_t mode,
rc = dasd_ioctl_check_format(bdev, argp);
break;
case BIODASDINFO:
- rc = dasd_ioctl_information(block, cmd, argp);
+ rc = dasd_ioctl_information(block, argp,
+ sizeof(struct dasd_information_t));
break;
case BIODASDINFO2:
- rc = dasd_ioctl_information(block, cmd, argp);
+ rc = dasd_ioctl_information(block, argp,
+ sizeof(struct dasd_information2_t));
break;
case BIODASDPRRD:
rc = dasd_ioctl_read_profile(block, argp);
@@ -660,3 +665,36 @@ int dasd_ioctl(struct block_device *bdev, fmode_t mode,
dasd_put_device(base);
return rc;
}
+
+
+/**
+ * dasd_biodasdinfo() - fill out the dasd information structure
+ * @disk [in]: pointer to gendisk structure that references a DASD
+ * @info [out]: pointer to the dasd_information2_t structure
+ *
+ * Provide access to DASD specific information.
+ * The gendisk structure is checked if it belongs to the DASD driver by
+ * comparing the gendisk->fops pointer.
+ * If it does not belong to the DASD driver -EINVAL is returned.
+ * Otherwise the provided dasd_information2_t structure is filled out.
+ *
+ * Returns:
+ * %0 on success and a negative error value on failure.
+ */
+int dasd_biodasdinfo(struct gendisk *disk, struct dasd_information2_t *info)
+{
+ struct dasd_device *base;
+ int error;
+
+ if (disk->fops != &dasd_device_operations)
+ return -EINVAL;
+
+ base = dasd_device_from_gendisk(disk);
+ if (!base)
+ return -ENODEV;
+ error = __dasd_ioctl_information(base->block, info);
+ dasd_put_device(base);
+ return error;
+}
+/* export that symbol_get in partition detection is possible */
+EXPORT_SYMBOL_GPL(dasd_biodasdinfo);
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index 3850a0f5f0bc..53120e68796e 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -63,12 +63,9 @@ config QETH
prompt "Gigabit Ethernet device support"
depends on CCW && NETDEVICES && IP_MULTICAST && QDIO && ETHERNET
help
- This driver supports the IBM System z OSA Express adapters
- in QDIO mode (all media types), HiperSockets interfaces and z/VM
- virtual NICs for Guest LAN and VSWITCH.
-
- For details please refer to the documentation provided by IBM at
- <http://www.ibm.com/developerworks/linux/linux390>
+ This driver supports IBM's OSA Express network adapters in QDIO mode,
+ HiperSockets interfaces and z/VM virtual NICs for Guest LAN and
+ VSWITCH.
To compile this driver as a module, choose M.
The module name is qeth.
diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c
index 437a6d822105..d06809eac16d 100644
--- a/drivers/s390/net/ctcm_main.c
+++ b/drivers/s390/net/ctcm_main.c
@@ -1698,43 +1698,6 @@ static void ctcm_remove_device(struct ccwgroup_device *cgdev)
put_device(&cgdev->dev);
}
-static int ctcm_pm_suspend(struct ccwgroup_device *gdev)
-{
- struct ctcm_priv *priv = dev_get_drvdata(&gdev->dev);
-
- if (gdev->state == CCWGROUP_OFFLINE)
- return 0;
- netif_device_detach(priv->channel[CTCM_READ]->netdev);
- ctcm_close(priv->channel[CTCM_READ]->netdev);
- if (!wait_event_timeout(priv->fsm->wait_q,
- fsm_getstate(priv->fsm) == DEV_STATE_STOPPED, CTCM_TIME_5_SEC)) {
- netif_device_attach(priv->channel[CTCM_READ]->netdev);
- return -EBUSY;
- }
- ccw_device_set_offline(gdev->cdev[1]);
- ccw_device_set_offline(gdev->cdev[0]);
- return 0;
-}
-
-static int ctcm_pm_resume(struct ccwgroup_device *gdev)
-{
- struct ctcm_priv *priv = dev_get_drvdata(&gdev->dev);
- int rc;
-
- if (gdev->state == CCWGROUP_OFFLINE)
- return 0;
- rc = ccw_device_set_online(gdev->cdev[1]);
- if (rc)
- goto err_out;
- rc = ccw_device_set_online(gdev->cdev[0]);
- if (rc)
- goto err_out;
- ctcm_open(priv->channel[CTCM_READ]->netdev);
-err_out:
- netif_device_attach(priv->channel[CTCM_READ]->netdev);
- return rc;
-}
-
static struct ccw_device_id ctcm_ids[] = {
{CCW_DEVICE(0x3088, 0x08), .driver_info = ctcm_channel_type_parallel},
{CCW_DEVICE(0x3088, 0x1e), .driver_info = ctcm_channel_type_ficon},
@@ -1764,9 +1727,6 @@ static struct ccwgroup_driver ctcm_group_driver = {
.remove = ctcm_remove_device,
.set_online = ctcm_new_device,
.set_offline = ctcm_shutdown_device,
- .freeze = ctcm_pm_suspend,
- .thaw = ctcm_pm_resume,
- .restore = ctcm_pm_resume,
};
static ssize_t group_store(struct device_driver *ddrv, const char *buf,
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index c75112ee7b97..c7fade836d83 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -521,8 +521,10 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ism->smcd = smcd_alloc_dev(&pdev->dev, dev_name(&pdev->dev), &ism_ops,
ISM_NR_DMBS);
- if (!ism->smcd)
+ if (!ism->smcd) {
+ ret = -ENOMEM;
goto err_resource;
+ }
ism->smcd->priv = ism;
ret = ism_dev_init(ism);
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 8f08b0a2917c..440219bcaa2b 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2296,60 +2296,6 @@ lcs_remove_device(struct ccwgroup_device *ccwgdev)
put_device(&ccwgdev->dev);
}
-static int lcs_pm_suspend(struct lcs_card *card)
-{
- if (card->dev)
- netif_device_detach(card->dev);
- lcs_set_allowed_threads(card, 0);
- lcs_wait_for_threads(card, 0xffffffff);
- if (card->state != DEV_STATE_DOWN)
- __lcs_shutdown_device(card->gdev, 1);
- return 0;
-}
-
-static int lcs_pm_resume(struct lcs_card *card)
-{
- int rc = 0;
-
- if (card->state == DEV_STATE_RECOVER)
- rc = lcs_new_device(card->gdev);
- if (card->dev)
- netif_device_attach(card->dev);
- if (rc) {
- dev_warn(&card->gdev->dev, "The lcs device driver "
- "failed to recover the device\n");
- }
- return rc;
-}
-
-static int lcs_prepare(struct ccwgroup_device *gdev)
-{
- return 0;
-}
-
-static void lcs_complete(struct ccwgroup_device *gdev)
-{
- return;
-}
-
-static int lcs_freeze(struct ccwgroup_device *gdev)
-{
- struct lcs_card *card = dev_get_drvdata(&gdev->dev);
- return lcs_pm_suspend(card);
-}
-
-static int lcs_thaw(struct ccwgroup_device *gdev)
-{
- struct lcs_card *card = dev_get_drvdata(&gdev->dev);
- return lcs_pm_resume(card);
-}
-
-static int lcs_restore(struct ccwgroup_device *gdev)
-{
- struct lcs_card *card = dev_get_drvdata(&gdev->dev);
- return lcs_pm_resume(card);
-}
-
static struct ccw_device_id lcs_ids[] = {
{CCW_DEVICE(0x3088, 0x08), .driver_info = lcs_channel_type_parallel},
{CCW_DEVICE(0x3088, 0x1f), .driver_info = lcs_channel_type_2216},
@@ -2382,11 +2328,6 @@ static struct ccwgroup_driver lcs_group_driver = {
.remove = lcs_remove_device,
.set_online = lcs_new_device,
.set_offline = lcs_shutdown_device,
- .prepare = lcs_prepare,
- .complete = lcs_complete,
- .freeze = lcs_freeze,
- .thaw = lcs_thaw,
- .restore = lcs_restore,
};
static ssize_t group_store(struct device_driver *ddrv, const char *buf,
diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c
index 5ce2424ca729..260860cf3aa1 100644
--- a/drivers/s390/net/netiucv.c
+++ b/drivers/s390/net/netiucv.c
@@ -112,27 +112,10 @@ DECLARE_PER_CPU(char[256], iucv_dbf_txt_buf);
*/
#define PRINTK_HEADER " iucv: " /* for debugging */
-/* dummy device to make sure netiucv_pm functions are called */
-static struct device *netiucv_dev;
-
-static int netiucv_pm_prepare(struct device *);
-static void netiucv_pm_complete(struct device *);
-static int netiucv_pm_freeze(struct device *);
-static int netiucv_pm_restore_thaw(struct device *);
-
-static const struct dev_pm_ops netiucv_pm_ops = {
- .prepare = netiucv_pm_prepare,
- .complete = netiucv_pm_complete,
- .freeze = netiucv_pm_freeze,
- .thaw = netiucv_pm_restore_thaw,
- .restore = netiucv_pm_restore_thaw,
-};
-
static struct device_driver netiucv_driver = {
.owner = THIS_MODULE,
.name = "netiucv",
.bus = &iucv_bus,
- .pm = &netiucv_pm_ops,
};
static int netiucv_callback_connreq(struct iucv_path *, u8 *, u8 *);
@@ -213,7 +196,6 @@ struct netiucv_priv {
fsm_instance *fsm;
struct iucv_connection *conn;
struct device *dev;
- int pm_state;
};
/**
@@ -1275,72 +1257,6 @@ static int netiucv_close(struct net_device *dev)
return 0;
}
-static int netiucv_pm_prepare(struct device *dev)
-{
- IUCV_DBF_TEXT(trace, 3, __func__);
- return 0;
-}
-
-static void netiucv_pm_complete(struct device *dev)
-{
- IUCV_DBF_TEXT(trace, 3, __func__);
- return;
-}
-
-/**
- * netiucv_pm_freeze() - Freeze PM callback
- * @dev: netiucv device
- *
- * close open netiucv interfaces
- */
-static int netiucv_pm_freeze(struct device *dev)
-{
- struct netiucv_priv *priv = dev_get_drvdata(dev);
- struct net_device *ndev = NULL;
- int rc = 0;
-
- IUCV_DBF_TEXT(trace, 3, __func__);
- if (priv && priv->conn)
- ndev = priv->conn->netdev;
- if (!ndev)
- goto out;
- netif_device_detach(ndev);
- priv->pm_state = fsm_getstate(priv->fsm);
- rc = netiucv_close(ndev);
-out:
- return rc;
-}
-
-/**
- * netiucv_pm_restore_thaw() - Thaw and restore PM callback
- * @dev: netiucv device
- *
- * re-open netiucv interfaces closed during freeze
- */
-static int netiucv_pm_restore_thaw(struct device *dev)
-{
- struct netiucv_priv *priv = dev_get_drvdata(dev);
- struct net_device *ndev = NULL;
- int rc = 0;
-
- IUCV_DBF_TEXT(trace, 3, __func__);
- if (priv && priv->conn)
- ndev = priv->conn->netdev;
- if (!ndev)
- goto out;
- switch (priv->pm_state) {
- case DEV_STATE_RUNNING:
- case DEV_STATE_STARTWAIT:
- rc = netiucv_open(ndev);
- break;
- default:
- break;
- }
- netif_device_attach(ndev);
-out:
- return rc;
-}
-
/**
* Start transmission of a packet.
* Called from generic network device layer.
@@ -2156,7 +2072,6 @@ static void __exit netiucv_exit(void)
netiucv_unregister_device(dev);
}
- device_unregister(netiucv_dev);
driver_unregister(&netiucv_driver);
iucv_unregister(&netiucv_handler, 1);
iucv_unregister_dbf_views();
@@ -2182,27 +2097,10 @@ static int __init netiucv_init(void)
IUCV_DBF_TEXT_(setup, 2, "ret %d from driver_register\n", rc);
goto out_iucv;
}
- /* establish dummy device */
- netiucv_dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!netiucv_dev) {
- rc = -ENOMEM;
- goto out_driver;
- }
- dev_set_name(netiucv_dev, "netiucv");
- netiucv_dev->bus = &iucv_bus;
- netiucv_dev->parent = iucv_root;
- netiucv_dev->release = (void (*)(struct device *))kfree;
- netiucv_dev->driver = &netiucv_driver;
- rc = device_register(netiucv_dev);
- if (rc) {
- put_device(netiucv_dev);
- goto out_driver;
- }
+
netiucv_banner();
return rc;
-out_driver:
- driver_unregister(&netiucv_driver);
out_iucv:
iucv_unregister(&netiucv_handler, 1);
out_dbf:
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index e0b26310ecab..51ea56b73a97 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -11,6 +11,7 @@
#define __QETH_CORE_H__
#include <linux/completion.h>
+#include <linux/debugfs.h>
#include <linux/if.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
@@ -21,8 +22,10 @@
#include <linux/seq_file.h>
#include <linux/hashtable.h>
#include <linux/ip.h>
+#include <linux/rcupdate.h>
#include <linux/refcount.h>
#include <linux/timer.h>
+#include <linux/types.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
@@ -31,6 +34,7 @@
#include <net/ipv6.h>
#include <net/if_inet6.h>
#include <net/addrconf.h>
+#include <net/route.h>
#include <net/sch_generic.h>
#include <net/tcp.h>
@@ -231,11 +235,7 @@ struct qeth_hdr_layer3 {
__u16 frame_offset;
union {
/* TX: */
- struct in6_addr ipv6_addr;
- struct ipv4 {
- u8 res[12];
- u32 addr;
- } ipv4;
+ struct in6_addr addr;
/* RX: */
struct rx {
u8 res1[2];
@@ -352,10 +352,15 @@ static inline bool qeth_l3_same_next_hop(struct qeth_hdr_layer3 *h1,
struct qeth_hdr_layer3 *h2)
{
return !((h1->flags ^ h2->flags) & QETH_HDR_IPV6) &&
- ipv6_addr_equal(&h1->next_hop.ipv6_addr,
- &h2->next_hop.ipv6_addr);
+ ipv6_addr_equal(&h1->next_hop.addr, &h2->next_hop.addr);
}
+struct qeth_local_addr {
+ struct hlist_node hnode;
+ struct rcu_head rcu;
+ struct in6_addr addr;
+};
+
enum qeth_qdio_info_states {
QETH_QDIO_UNINITIALIZED,
QETH_QDIO_ALLOCATED,
@@ -688,6 +693,9 @@ struct qeth_card_info {
u8 promisc_mode:1;
u8 use_v1_blkt:1;
u8 is_vm_nic:1;
+ /* no bitfield, we take a pointer on these two: */
+ u8 has_lp2lp_cso_v6;
+ u8 has_lp2lp_cso_v4;
enum qeth_card_types type;
enum qeth_link_types link_type;
int broadcast_capable;
@@ -786,6 +794,7 @@ struct qeth_card {
struct qeth_channel data;
struct net_device *dev;
+ struct dentry *debugfs;
struct qeth_card_stats stats;
struct qeth_card_info info;
struct qeth_token token;
@@ -797,6 +806,10 @@ struct qeth_card {
wait_queue_head_t wait_q;
DECLARE_HASHTABLE(mac_htable, 4);
DECLARE_HASHTABLE(ip_htable, 4);
+ DECLARE_HASHTABLE(local_addrs4, 4);
+ DECLARE_HASHTABLE(local_addrs6, 4);
+ spinlock_t local_addrs4_lock;
+ spinlock_t local_addrs6_lock;
struct mutex ip_lock;
DECLARE_HASHTABLE(ip_mc_htable, 4);
struct work_struct rx_mode_work;
@@ -928,6 +941,25 @@ static inline struct dst_entry *qeth_dst_check_rcu(struct sk_buff *skb, int ipv)
return dst;
}
+static inline __be32 qeth_next_hop_v4_rcu(struct sk_buff *skb,
+ struct dst_entry *dst)
+{
+ struct rtable *rt = (struct rtable *) dst;
+
+ return (rt) ? rt_nexthop(rt, ip_hdr(skb)->daddr) : ip_hdr(skb)->daddr;
+}
+
+static inline struct in6_addr *qeth_next_hop_v6_rcu(struct sk_buff *skb,
+ struct dst_entry *dst)
+{
+ struct rt6_info *rt = (struct rt6_info *) dst;
+
+ if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
+ return &rt->rt6i_gateway;
+ else
+ return &ipv6_hdr(skb)->daddr;
+}
+
static inline void qeth_tx_csum(struct sk_buff *skb, u8 *flags, int ipv)
{
*flags |= QETH_HDR_EXT_CSUM_TRANSP_REQ;
@@ -1021,7 +1053,8 @@ struct qeth_cmd_buffer *qeth_get_diag_cmd(struct qeth_card *card,
void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason);
void qeth_put_cmd(struct qeth_cmd_buffer *iob);
-void qeth_schedule_recovery(struct qeth_card *);
+int qeth_schedule_recovery(struct qeth_card *card);
+void qeth_flush_local_addrs(struct qeth_card *card);
int qeth_poll(struct napi_struct *napi, int budget);
void qeth_clear_ipacmd_list(struct qeth_card *);
int qeth_qdio_clear_card(struct qeth_card *, int);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index f7689461c242..18a0fb75a710 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -26,6 +26,7 @@
#include <linux/if_vlan.h>
#include <linux/netdevice.h>
#include <linux/netdev_features.h>
+#include <linux/rcutree.h>
#include <linux/skbuff.h>
#include <linux/vmalloc.h>
@@ -60,6 +61,7 @@ EXPORT_SYMBOL_GPL(qeth_core_header_cache);
static struct kmem_cache *qeth_qdio_outbuf_cache;
static struct device *qeth_core_root_dev;
+static struct dentry *qeth_debugfs_root;
static struct lock_class_key qdio_out_skb_queue_key;
static void qeth_issue_next_read_cb(struct qeth_card *card,
@@ -623,6 +625,257 @@ void qeth_notify_cmd(struct qeth_cmd_buffer *iob, int reason)
}
EXPORT_SYMBOL_GPL(qeth_notify_cmd);
+static void qeth_flush_local_addrs4(struct qeth_card *card)
+{
+ struct qeth_local_addr *addr;
+ struct hlist_node *tmp;
+ unsigned int i;
+
+ spin_lock_irq(&card->local_addrs4_lock);
+ hash_for_each_safe(card->local_addrs4, i, tmp, addr, hnode) {
+ hash_del_rcu(&addr->hnode);
+ kfree_rcu(addr, rcu);
+ }
+ spin_unlock_irq(&card->local_addrs4_lock);
+}
+
+static void qeth_flush_local_addrs6(struct qeth_card *card)
+{
+ struct qeth_local_addr *addr;
+ struct hlist_node *tmp;
+ unsigned int i;
+
+ spin_lock_irq(&card->local_addrs6_lock);
+ hash_for_each_safe(card->local_addrs6, i, tmp, addr, hnode) {
+ hash_del_rcu(&addr->hnode);
+ kfree_rcu(addr, rcu);
+ }
+ spin_unlock_irq(&card->local_addrs6_lock);
+}
+
+void qeth_flush_local_addrs(struct qeth_card *card)
+{
+ qeth_flush_local_addrs4(card);
+ qeth_flush_local_addrs6(card);
+}
+EXPORT_SYMBOL_GPL(qeth_flush_local_addrs);
+
+static void qeth_add_local_addrs4(struct qeth_card *card,
+ struct qeth_ipacmd_local_addrs4 *cmd)
+{
+ unsigned int i;
+
+ if (cmd->addr_length !=
+ sizeof_field(struct qeth_ipacmd_local_addr4, addr)) {
+ dev_err_ratelimited(&card->gdev->dev,
+ "Dropped IPv4 ADD LOCAL ADDR event with bad length %u\n",
+ cmd->addr_length);
+ return;
+ }
+
+ spin_lock(&card->local_addrs4_lock);
+ for (i = 0; i < cmd->count; i++) {
+ unsigned int key = ipv4_addr_hash(cmd->addrs[i].addr);
+ struct qeth_local_addr *addr;
+ bool duplicate = false;
+
+ hash_for_each_possible(card->local_addrs4, addr, hnode, key) {
+ if (addr->addr.s6_addr32[3] == cmd->addrs[i].addr) {
+ duplicate = true;
+ break;
+ }
+ }
+
+ if (duplicate)
+ continue;
+
+ addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
+ if (!addr) {
+ dev_err(&card->gdev->dev,
+ "Failed to allocate local addr object. Traffic to %pI4 might suffer.\n",
+ &cmd->addrs[i].addr);
+ continue;
+ }
+
+ ipv6_addr_set(&addr->addr, 0, 0, 0, cmd->addrs[i].addr);
+ hash_add_rcu(card->local_addrs4, &addr->hnode, key);
+ }
+ spin_unlock(&card->local_addrs4_lock);
+}
+
+static void qeth_add_local_addrs6(struct qeth_card *card,
+ struct qeth_ipacmd_local_addrs6 *cmd)
+{
+ unsigned int i;
+
+ if (cmd->addr_length !=
+ sizeof_field(struct qeth_ipacmd_local_addr6, addr)) {
+ dev_err_ratelimited(&card->gdev->dev,
+ "Dropped IPv6 ADD LOCAL ADDR event with bad length %u\n",
+ cmd->addr_length);
+ return;
+ }
+
+ spin_lock(&card->local_addrs6_lock);
+ for (i = 0; i < cmd->count; i++) {
+ u32 key = ipv6_addr_hash(&cmd->addrs[i].addr);
+ struct qeth_local_addr *addr;
+ bool duplicate = false;
+
+ hash_for_each_possible(card->local_addrs6, addr, hnode, key) {
+ if (ipv6_addr_equal(&addr->addr, &cmd->addrs[i].addr)) {
+ duplicate = true;
+ break;
+ }
+ }
+
+ if (duplicate)
+ continue;
+
+ addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
+ if (!addr) {
+ dev_err(&card->gdev->dev,
+ "Failed to allocate local addr object. Traffic to %pI6c might suffer.\n",
+ &cmd->addrs[i].addr);
+ continue;
+ }
+
+ addr->addr = cmd->addrs[i].addr;
+ hash_add_rcu(card->local_addrs6, &addr->hnode, key);
+ }
+ spin_unlock(&card->local_addrs6_lock);
+}
+
+static void qeth_del_local_addrs4(struct qeth_card *card,
+ struct qeth_ipacmd_local_addrs4 *cmd)
+{
+ unsigned int i;
+
+ if (cmd->addr_length !=
+ sizeof_field(struct qeth_ipacmd_local_addr4, addr)) {
+ dev_err_ratelimited(&card->gdev->dev,
+ "Dropped IPv4 DEL LOCAL ADDR event with bad length %u\n",
+ cmd->addr_length);
+ return;
+ }
+
+ spin_lock(&card->local_addrs4_lock);
+ for (i = 0; i < cmd->count; i++) {
+ struct qeth_ipacmd_local_addr4 *addr = &cmd->addrs[i];
+ unsigned int key = ipv4_addr_hash(addr->addr);
+ struct qeth_local_addr *tmp;
+
+ hash_for_each_possible(card->local_addrs4, tmp, hnode, key) {
+ if (tmp->addr.s6_addr32[3] == addr->addr) {
+ hash_del_rcu(&tmp->hnode);
+ kfree_rcu(tmp, rcu);
+ break;
+ }
+ }
+ }
+ spin_unlock(&card->local_addrs4_lock);
+}
+
+static void qeth_del_local_addrs6(struct qeth_card *card,
+ struct qeth_ipacmd_local_addrs6 *cmd)
+{
+ unsigned int i;
+
+ if (cmd->addr_length !=
+ sizeof_field(struct qeth_ipacmd_local_addr6, addr)) {
+ dev_err_ratelimited(&card->gdev->dev,
+ "Dropped IPv6 DEL LOCAL ADDR event with bad length %u\n",
+ cmd->addr_length);
+ return;
+ }
+
+ spin_lock(&card->local_addrs6_lock);
+ for (i = 0; i < cmd->count; i++) {
+ struct qeth_ipacmd_local_addr6 *addr = &cmd->addrs[i];
+ u32 key = ipv6_addr_hash(&addr->addr);
+ struct qeth_local_addr *tmp;
+
+ hash_for_each_possible(card->local_addrs6, tmp, hnode, key) {
+ if (ipv6_addr_equal(&tmp->addr, &addr->addr)) {
+ hash_del_rcu(&tmp->hnode);
+ kfree_rcu(tmp, rcu);
+ break;
+ }
+ }
+ }
+ spin_unlock(&card->local_addrs6_lock);
+}
+
+static bool qeth_next_hop_is_local_v4(struct qeth_card *card,
+ struct sk_buff *skb)
+{
+ struct qeth_local_addr *tmp;
+ bool is_local = false;
+ unsigned int key;
+ __be32 next_hop;
+
+ if (hash_empty(card->local_addrs4))
+ return false;
+
+ rcu_read_lock();
+ next_hop = qeth_next_hop_v4_rcu(skb, qeth_dst_check_rcu(skb, 4));
+ key = ipv4_addr_hash(next_hop);
+
+ hash_for_each_possible_rcu(card->local_addrs4, tmp, hnode, key) {
+ if (tmp->addr.s6_addr32[3] == next_hop) {
+ is_local = true;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return is_local;
+}
+
+static bool qeth_next_hop_is_local_v6(struct qeth_card *card,
+ struct sk_buff *skb)
+{
+ struct qeth_local_addr *tmp;
+ struct in6_addr *next_hop;
+ bool is_local = false;
+ u32 key;
+
+ if (hash_empty(card->local_addrs6))
+ return false;
+
+ rcu_read_lock();
+ next_hop = qeth_next_hop_v6_rcu(skb, qeth_dst_check_rcu(skb, 6));
+ key = ipv6_addr_hash(next_hop);
+
+ hash_for_each_possible_rcu(card->local_addrs6, tmp, hnode, key) {
+ if (ipv6_addr_equal(&tmp->addr, next_hop)) {
+ is_local = true;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return is_local;
+}
+
+static int qeth_debugfs_local_addr_show(struct seq_file *m, void *v)
+{
+ struct qeth_card *card = m->private;
+ struct qeth_local_addr *tmp;
+ unsigned int i;
+
+ rcu_read_lock();
+ hash_for_each_rcu(card->local_addrs4, i, tmp, hnode)
+ seq_printf(m, "%pI4\n", &tmp->addr.s6_addr32[3]);
+ hash_for_each_rcu(card->local_addrs6, i, tmp, hnode)
+ seq_printf(m, "%pI6c\n", &tmp->addr);
+ rcu_read_unlock();
+
+ return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(qeth_debugfs_local_addr);
+
static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
struct qeth_card *card)
{
@@ -686,9 +939,19 @@ static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
case IPA_CMD_MODCCID:
return cmd;
case IPA_CMD_REGISTER_LOCAL_ADDR:
+ if (cmd->hdr.prot_version == QETH_PROT_IPV4)
+ qeth_add_local_addrs4(card, &cmd->data.local_addrs4);
+ else if (cmd->hdr.prot_version == QETH_PROT_IPV6)
+ qeth_add_local_addrs6(card, &cmd->data.local_addrs6);
+
QETH_CARD_TEXT(card, 3, "irla");
return NULL;
case IPA_CMD_UNREGISTER_LOCAL_ADDR:
+ if (cmd->hdr.prot_version == QETH_PROT_IPV4)
+ qeth_del_local_addrs4(card, &cmd->data.local_addrs4);
+ else if (cmd->hdr.prot_version == QETH_PROT_IPV6)
+ qeth_del_local_addrs6(card, &cmd->data.local_addrs6);
+
QETH_CARD_TEXT(card, 3, "urla");
return NULL;
default:
@@ -868,16 +1131,18 @@ static int qeth_set_thread_start_bit(struct qeth_card *card,
unsigned long thread)
{
unsigned long flags;
+ int rc = 0;
spin_lock_irqsave(&card->thread_mask_lock, flags);
- if (!(card->thread_allowed_mask & thread) ||
- (card->thread_start_mask & thread)) {
- spin_unlock_irqrestore(&card->thread_mask_lock, flags);
- return -EPERM;
- }
- card->thread_start_mask |= thread;
+ if (!(card->thread_allowed_mask & thread))
+ rc = -EPERM;
+ else if (card->thread_start_mask & thread)
+ rc = -EBUSY;
+ else
+ card->thread_start_mask |= thread;
spin_unlock_irqrestore(&card->thread_mask_lock, flags);
- return 0;
+
+ return rc;
}
static void qeth_clear_thread_start_bit(struct qeth_card *card,
@@ -930,11 +1195,17 @@ static int qeth_do_run_thread(struct qeth_card *card, unsigned long thread)
return rc;
}
-void qeth_schedule_recovery(struct qeth_card *card)
+int qeth_schedule_recovery(struct qeth_card *card)
{
+ int rc;
+
QETH_CARD_TEXT(card, 2, "startrec");
- if (qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD) == 0)
+
+ rc = qeth_set_thread_start_bit(card, QETH_RECOVER_THREAD);
+ if (!rc)
schedule_work(&card->kernel_thread_starter);
+
+ return rc;
}
static int qeth_get_problem(struct qeth_card *card, struct ccw_device *cdev,
@@ -1376,6 +1647,10 @@ static void qeth_setup_card(struct qeth_card *card)
qeth_init_qdio_info(card);
INIT_DELAYED_WORK(&card->buffer_reclaim_work, qeth_buffer_reclaim_work);
INIT_WORK(&card->close_dev_work, qeth_close_dev_handler);
+ hash_init(card->local_addrs4);
+ hash_init(card->local_addrs6);
+ spin_lock_init(&card->local_addrs4_lock);
+ spin_lock_init(&card->local_addrs6_lock);
}
static void qeth_core_sl_print(struct seq_file *m, struct service_level *slr)
@@ -1412,6 +1687,11 @@ static struct qeth_card *qeth_alloc_card(struct ccwgroup_device *gdev)
if (!card->read_cmd)
goto out_read_cmd;
+ card->debugfs = debugfs_create_dir(dev_name(&gdev->dev),
+ qeth_debugfs_root);
+ debugfs_create_file("local_addrs", 0400, card->debugfs, card,
+ &qeth_debugfs_local_addr_fops);
+
card->qeth_service_level.seq_print = qeth_core_sl_print;
register_service_level(&card->qeth_service_level);
return card;
@@ -3345,11 +3625,11 @@ static int qeth_switch_to_nonpacking_if_needed(struct qeth_qdio_out_q *queue)
static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
int count)
{
+ struct qeth_qdio_out_buffer *buf = queue->bufs[index];
+ unsigned int qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
struct qeth_card *card = queue->card;
- struct qeth_qdio_out_buffer *buf;
int rc;
int i;
- unsigned int qdio_flags;
for (i = index; i < index + count; ++i) {
unsigned int bidx = QDIO_BUFNR(i);
@@ -3366,9 +3646,10 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
if (IS_IQD(card)) {
skb_queue_walk(&buf->skb_list, skb)
skb_tx_timestamp(skb);
- continue;
}
+ }
+ if (!IS_IQD(card)) {
if (!queue->do_pack) {
if ((atomic_read(&queue->used_buffers) >=
(QETH_HIGH_WATERMARK_PACK -
@@ -3393,12 +3674,12 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
buf->buffer->element[0].sflags |= SBAL_SFLAGS0_PCI_REQ;
}
}
+
+ if (atomic_read(&queue->set_pci_flags_count))
+ qdio_flags |= QDIO_FLAG_PCI_OUT;
}
QETH_TXQ_STAT_INC(queue, doorbell);
- qdio_flags = QDIO_FLAG_SYNC_OUTPUT;
- if (atomic_read(&queue->set_pci_flags_count))
- qdio_flags |= QDIO_FLAG_PCI_OUT;
rc = do_QDIO(CARD_DDEV(queue->card), qdio_flags,
queue->queue_no, index, count);
@@ -3809,15 +4090,47 @@ static bool qeth_iqd_may_bulk(struct qeth_qdio_out_q *queue,
qeth_l3_iqd_same_vlan(&prev_hdr->hdr.l3, &curr_hdr->hdr.l3);
}
-static unsigned int __qeth_fill_buffer(struct sk_buff *skb,
- struct qeth_qdio_out_buffer *buf,
- bool is_first_elem, unsigned int offset)
+/**
+ * qeth_fill_buffer() - map skb into an output buffer
+ * @buf: buffer to transport the skb
+ * @skb: skb to map into the buffer
+ * @hdr: qeth_hdr for this skb. Either at skb->data, or allocated
+ * from qeth_core_header_cache.
+ * @offset: when mapping the skb, start at skb->data + offset
+ * @hd_len: if > 0, build a dedicated header element of this size
+ */
+static unsigned int qeth_fill_buffer(struct qeth_qdio_out_buffer *buf,
+ struct sk_buff *skb, struct qeth_hdr *hdr,
+ unsigned int offset, unsigned int hd_len)
{
struct qdio_buffer *buffer = buf->buffer;
int element = buf->next_element_to_fill;
int length = skb_headlen(skb) - offset;
char *data = skb->data + offset;
unsigned int elem_length, cnt;
+ bool is_first_elem = true;
+
+ __skb_queue_tail(&buf->skb_list, skb);
+
+ /* build dedicated element for HW Header */
+ if (hd_len) {
+ is_first_elem = false;
+
+ buffer->element[element].addr = virt_to_phys(hdr);
+ buffer->element[element].length = hd_len;
+ buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
+
+ /* HW header is allocated from cache: */
+ if ((void *)hdr != skb->data)
+ buf->is_header[element] = 1;
+ /* HW header was pushed and is contiguous with linear part: */
+ else if (length > 0 && !PAGE_ALIGNED(data) &&
+ (data == (char *)hdr + hd_len))
+ buffer->element[element].eflags |=
+ SBAL_EFLAGS_CONTIGUOUS;
+
+ element++;
+ }
/* map linear part into buffer element(s) */
while (length > 0) {
@@ -3871,40 +4184,6 @@ static unsigned int __qeth_fill_buffer(struct sk_buff *skb,
return element;
}
-/**
- * qeth_fill_buffer() - map skb into an output buffer
- * @buf: buffer to transport the skb
- * @skb: skb to map into the buffer
- * @hdr: qeth_hdr for this skb. Either at skb->data, or allocated
- * from qeth_core_header_cache.
- * @offset: when mapping the skb, start at skb->data + offset
- * @hd_len: if > 0, build a dedicated header element of this size
- */
-static unsigned int qeth_fill_buffer(struct qeth_qdio_out_buffer *buf,
- struct sk_buff *skb, struct qeth_hdr *hdr,
- unsigned int offset, unsigned int hd_len)
-{
- struct qdio_buffer *buffer = buf->buffer;
- bool is_first_elem = true;
-
- __skb_queue_tail(&buf->skb_list, skb);
-
- /* build dedicated header element */
- if (hd_len) {
- int element = buf->next_element_to_fill;
- is_first_elem = false;
-
- buffer->element[element].addr = virt_to_phys(hdr);
- buffer->element[element].length = hd_len;
- buffer->element[element].eflags = SBAL_EFLAGS_FIRST_FRAG;
- /* remember to free cache-allocated qeth_hdr: */
- buf->is_header[element] = ((void *)hdr != skb->data);
- buf->next_element_to_fill++;
- }
-
- return __qeth_fill_buffer(skb, buf, is_first_elem, offset);
-}
-
static int __qeth_xmit(struct qeth_card *card, struct qeth_qdio_out_q *queue,
struct sk_buff *skb, unsigned int elements,
struct qeth_hdr *hdr, unsigned int offset,
@@ -4889,9 +5168,11 @@ out_free_nothing:
static void qeth_core_free_card(struct qeth_card *card)
{
QETH_CARD_TEXT(card, 2, "freecrd");
+
+ unregister_service_level(&card->qeth_service_level);
+ debugfs_remove_recursive(card->debugfs);
qeth_put_cmd(card->read_cmd);
destroy_workqueue(card->event_wq);
- unregister_service_level(&card->qeth_service_level);
dev_set_drvdata(&card->gdev->dev, NULL);
kfree(card);
}
@@ -6153,32 +6434,6 @@ static void qeth_core_shutdown(struct ccwgroup_device *gdev)
qdio_free(CARD_DDEV(card));
}
-static int qeth_suspend(struct ccwgroup_device *gdev)
-{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
-
- qeth_set_allowed_threads(card, 0, 1);
- wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (gdev->state == CCWGROUP_OFFLINE)
- return 0;
-
- qeth_set_offline(card, false);
- return 0;
-}
-
-static int qeth_resume(struct ccwgroup_device *gdev)
-{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- int rc;
-
- rc = qeth_set_online(card);
-
- qeth_set_allowed_threads(card, 0xffffffff, 0);
- if (rc)
- dev_warn(&card->gdev->dev, "The qeth device driver failed to recover an error on the device\n");
- return rc;
-}
-
static ssize_t group_store(struct device_driver *ddrv, const char *buf,
size_t count)
{
@@ -6215,11 +6470,6 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = {
.set_online = qeth_core_set_online,
.set_offline = qeth_core_set_offline,
.shutdown = qeth_core_shutdown,
- .prepare = NULL,
- .complete = NULL,
- .freeze = qeth_suspend,
- .thaw = qeth_resume,
- .restore = qeth_resume,
};
struct qeth_card *qeth_get_card_by_busid(char *bus_id)
@@ -6300,7 +6550,7 @@ static int qeth_set_csum_off(struct qeth_card *card, enum qeth_ipa_funcs cstype,
}
static int qeth_set_csum_on(struct qeth_card *card, enum qeth_ipa_funcs cstype,
- enum qeth_prot_versions prot)
+ enum qeth_prot_versions prot, u8 *lp2lp)
{
u32 required_features = QETH_IPA_CHECKSUM_UDP | QETH_IPA_CHECKSUM_TCP;
struct qeth_cmd_buffer *iob;
@@ -6352,18 +6602,17 @@ static int qeth_set_csum_on(struct qeth_card *card, enum qeth_ipa_funcs cstype,
dev_info(&card->gdev->dev, "HW Checksumming (%sbound IPv%d) enabled\n",
cstype == IPA_INBOUND_CHECKSUM ? "in" : "out", prot);
- if (!qeth_ipa_caps_enabled(&caps, QETH_IPA_CHECKSUM_LP2LP) &&
- cstype == IPA_OUTBOUND_CHECKSUM)
- dev_warn(&card->gdev->dev,
- "Hardware checksumming is performed only if %s and its peer use different OSA Express 3 ports\n",
- QETH_CARD_IFNAME(card));
+
+ if (lp2lp)
+ *lp2lp = qeth_ipa_caps_enabled(&caps, QETH_IPA_CHECKSUM_LP2LP);
+
return 0;
}
static int qeth_set_ipa_csum(struct qeth_card *card, bool on, int cstype,
- enum qeth_prot_versions prot)
+ enum qeth_prot_versions prot, u8 *lp2lp)
{
- return on ? qeth_set_csum_on(card, cstype, prot) :
+ return on ? qeth_set_csum_on(card, cstype, prot, lp2lp) :
qeth_set_csum_off(card, cstype, prot);
}
@@ -6451,13 +6700,13 @@ static int qeth_set_ipa_rx_csum(struct qeth_card *card, bool on)
if (qeth_is_supported(card, IPA_INBOUND_CHECKSUM))
rc_ipv4 = qeth_set_ipa_csum(card, on, IPA_INBOUND_CHECKSUM,
- QETH_PROT_IPV4);
+ QETH_PROT_IPV4, NULL);
if (!qeth_is_supported6(card, IPA_INBOUND_CHECKSUM_V6))
/* no/one Offload Assist available, so the rc is trivial */
return rc_ipv4;
rc_ipv6 = qeth_set_ipa_csum(card, on, IPA_INBOUND_CHECKSUM,
- QETH_PROT_IPV6);
+ QETH_PROT_IPV6, NULL);
if (on)
/* enable: success if any Assist is active */
@@ -6493,6 +6742,24 @@ void qeth_enable_hw_features(struct net_device *dev)
}
EXPORT_SYMBOL_GPL(qeth_enable_hw_features);
+static void qeth_check_restricted_features(struct qeth_card *card,
+ netdev_features_t changed,
+ netdev_features_t actual)
+{
+ netdev_features_t ipv6_features = NETIF_F_TSO6;
+ netdev_features_t ipv4_features = NETIF_F_TSO;
+
+ if (!card->info.has_lp2lp_cso_v6)
+ ipv6_features |= NETIF_F_IPV6_CSUM;
+ if (!card->info.has_lp2lp_cso_v4)
+ ipv4_features |= NETIF_F_IP_CSUM;
+
+ if ((changed & ipv6_features) && !(actual & ipv6_features))
+ qeth_flush_local_addrs6(card);
+ if ((changed & ipv4_features) && !(actual & ipv4_features))
+ qeth_flush_local_addrs4(card);
+}
+
int qeth_set_features(struct net_device *dev, netdev_features_t features)
{
struct qeth_card *card = dev->ml_priv;
@@ -6504,13 +6771,15 @@ int qeth_set_features(struct net_device *dev, netdev_features_t features)
if ((changed & NETIF_F_IP_CSUM)) {
rc = qeth_set_ipa_csum(card, features & NETIF_F_IP_CSUM,
- IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV4);
+ IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV4,
+ &card->info.has_lp2lp_cso_v4);
if (rc)
changed ^= NETIF_F_IP_CSUM;
}
if (changed & NETIF_F_IPV6_CSUM) {
rc = qeth_set_ipa_csum(card, features & NETIF_F_IPV6_CSUM,
- IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV6);
+ IPA_OUTBOUND_CHECKSUM, QETH_PROT_IPV6,
+ &card->info.has_lp2lp_cso_v6);
if (rc)
changed ^= NETIF_F_IPV6_CSUM;
}
@@ -6532,6 +6801,9 @@ int qeth_set_features(struct net_device *dev, netdev_features_t features)
changed ^= NETIF_F_TSO6;
}
+ qeth_check_restricted_features(card, dev->features ^ features,
+ dev->features ^ changed);
+
/* everything changed successfully? */
if ((dev->features ^ features) == changed)
return 0;
@@ -6568,6 +6840,34 @@ netdev_features_t qeth_features_check(struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features)
{
+ /* Traffic with local next-hop is not eligible for some offloads: */
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ struct qeth_card *card = dev->ml_priv;
+ netdev_features_t restricted = 0;
+
+ if (skb_is_gso(skb) && !netif_needs_gso(skb, features))
+ restricted |= NETIF_F_ALL_TSO;
+
+ switch (vlan_get_protocol(skb)) {
+ case htons(ETH_P_IP):
+ if (!card->info.has_lp2lp_cso_v4)
+ restricted |= NETIF_F_IP_CSUM;
+
+ if (restricted && qeth_next_hop_is_local_v4(card, skb))
+ features &= ~restricted;
+ break;
+ case htons(ETH_P_IPV6):
+ if (!card->info.has_lp2lp_cso_v6)
+ restricted |= NETIF_F_IPV6_CSUM;
+
+ if (restricted && qeth_next_hop_is_local_v6(card, skb))
+ features &= ~restricted;
+ break;
+ default:
+ break;
+ }
+ }
+
/* GSO segmentation builds skbs with
* a (small) linear part for the headers, and
* page frags for the data.
@@ -6717,17 +7017,17 @@ int qeth_stop(struct net_device *dev)
unsigned int i;
/* Quiesce the NAPI instances: */
- qeth_for_each_output_queue(card, queue, i) {
+ qeth_for_each_output_queue(card, queue, i)
napi_disable(&queue->napi);
- del_timer_sync(&queue->timer);
- }
/* Stop .ndo_start_xmit, might still access queue->napi. */
netif_tx_disable(dev);
- /* Queues may get re-allocated, so remove the NAPIs here. */
- qeth_for_each_output_queue(card, queue, i)
+ qeth_for_each_output_queue(card, queue, i) {
+ del_timer_sync(&queue->timer);
+ /* Queues may get re-allocated, so remove the NAPIs. */
netif_napi_del(&queue->napi);
+ }
} else {
netif_tx_disable(dev);
}
@@ -6745,6 +7045,8 @@ static int __init qeth_core_init(void)
pr_info("loading core functions\n");
+ qeth_debugfs_root = debugfs_create_dir("qeth", NULL);
+
rc = qeth_register_dbf_views();
if (rc)
goto dbf_err;
@@ -6786,6 +7088,7 @@ slab_err:
register_err:
qeth_unregister_dbf_views();
dbf_err:
+ debugfs_remove_recursive(qeth_debugfs_root);
pr_err("Initializing the qeth device driver failed\n");
return rc;
}
@@ -6799,6 +7102,7 @@ static void __exit qeth_core_exit(void)
kmem_cache_destroy(qeth_core_header_cache);
root_device_unregister(qeth_core_root_dev);
qeth_unregister_dbf_views();
+ debugfs_remove_recursive(qeth_debugfs_root);
pr_info("core functions removed\n");
}
diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h
index d89a04bfd8b0..9d6f39d8f9ab 100644
--- a/drivers/s390/net/qeth_core_mpc.h
+++ b/drivers/s390/net/qeth_core_mpc.h
@@ -772,6 +772,29 @@ struct qeth_ipacmd_addr_change {
struct qeth_ipacmd_addr_change_entry entry[];
} __packed;
+/* [UN]REGISTER_LOCAL_ADDRESS notifications */
+struct qeth_ipacmd_local_addr4 {
+ __be32 addr;
+ u32 flags;
+};
+
+struct qeth_ipacmd_local_addrs4 {
+ u32 count;
+ u32 addr_length;
+ struct qeth_ipacmd_local_addr4 addrs[];
+};
+
+struct qeth_ipacmd_local_addr6 {
+ struct in6_addr addr;
+ u32 flags;
+};
+
+struct qeth_ipacmd_local_addrs6 {
+ u32 count;
+ u32 addr_length;
+ struct qeth_ipacmd_local_addr6 addrs[];
+};
+
/* Header for each IPA command */
struct qeth_ipacmd_hdr {
__u8 command;
@@ -803,6 +826,8 @@ struct qeth_ipa_cmd {
struct qeth_ipacmd_setbridgeport sbp;
struct qeth_ipacmd_addr_change addrchange;
struct qeth_ipacmd_vnicc vnicc;
+ struct qeth_ipacmd_local_addrs4 local_addrs4;
+ struct qeth_ipacmd_local_addrs6 local_addrs6;
} data;
} __attribute__ ((packed));
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index d7e429f6631e..c901c942fed7 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -275,17 +275,20 @@ static ssize_t qeth_dev_recover_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct qeth_card *card = dev_get_drvdata(dev);
- char *tmp;
- int i;
+ bool reset;
+ int rc;
+
+ rc = kstrtobool(buf, &reset);
+ if (rc)
+ return rc;
if (!qeth_card_hw_is_reachable(card))
return -EPERM;
- i = simple_strtoul(buf, &tmp, 16);
- if (i == 1)
- qeth_schedule_recovery(card);
+ if (reset)
+ rc = qeth_schedule_recovery(card);
- return count;
+ return rc ? rc : count;
}
static DEVICE_ATTR(recover, 0200, NULL, qeth_dev_recover_store);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 0bd5b09e7a22..da47e423e1b1 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -291,6 +291,7 @@ static void qeth_l2_stop_card(struct qeth_card *card)
qeth_qdio_clear_card(card, 0);
qeth_clear_working_pool_list(card);
flush_workqueue(card->event_wq);
+ qeth_flush_local_addrs(card);
card->info.promisc_mode = 0;
}
@@ -709,6 +710,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
if (card->dev->hw_features & (NETIF_F_TSO | NETIF_F_TSO6)) {
card->dev->needed_headroom = sizeof(struct qeth_hdr_tso);
+ netif_keep_dst(card->dev);
netif_set_gso_max_size(card->dev,
PAGE_SIZE * (QDIO_MAX_ELEMENTS_PER_BUFFER - 1));
}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 0742a749d26e..1e50aa0297a3 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1176,6 +1176,7 @@ static void qeth_l3_stop_card(struct qeth_card *card)
qeth_qdio_clear_card(card, 0);
qeth_clear_working_pool_list(card);
flush_workqueue(card->event_wq);
+ qeth_flush_local_addrs(card);
card->info.promisc_mode = 0;
}
@@ -1693,8 +1694,8 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
if (skb->protocol == htons(ETH_P_AF_IUCV)) {
l3_hdr->flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST;
- l3_hdr->next_hop.ipv6_addr.s6_addr16[0] = htons(0xfe80);
- memcpy(&l3_hdr->next_hop.ipv6_addr.s6_addr32[2],
+ l3_hdr->next_hop.addr.s6_addr16[0] = htons(0xfe80);
+ memcpy(&l3_hdr->next_hop.addr.s6_addr32[2],
iucv_trans_hdr(skb)->destUserID, 8);
return;
}
@@ -1728,18 +1729,10 @@ static void qeth_l3_fill_header(struct qeth_qdio_out_q *queue,
l3_hdr->flags |= qeth_l3_cast_type_to_flag(cast_type);
if (ipv == 4) {
- struct rtable *rt = (struct rtable *) dst;
-
- *((__be32 *) &hdr->hdr.l3.next_hop.ipv4.addr) = (rt) ?
- rt_nexthop(rt, ip_hdr(skb)->daddr) :
- ip_hdr(skb)->daddr;
+ l3_hdr->next_hop.addr.s6_addr32[3] =
+ qeth_next_hop_v4_rcu(skb, dst);
} else if (ipv == 6) {
- struct rt6_info *rt = (struct rt6_info *) dst;
-
- if (rt && !ipv6_addr_any(&rt->rt6i_gateway))
- l3_hdr->next_hop.ipv6_addr = rt->rt6i_gateway;
- else
- l3_hdr->next_hop.ipv6_addr = ipv6_hdr(skb)->daddr;
+ l3_hdr->next_hop.addr = *qeth_next_hop_v6_rcu(skb, dst);
hdr->hdr.l3.flags |= QETH_HDR_IPV6;
if (!IS_IQD(card))
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 066b5c3aaae6..c84ec2fbf99b 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -29,12 +29,9 @@ MODULE_AUTHOR
MODULE_DESCRIPTION ("Linux for S/390 IUCV special message driver");
static struct iucv_path *smsg_path;
-/* dummy device used as trigger for PM functions */
-static struct device *smsg_dev;
static DEFINE_SPINLOCK(smsg_list_lock);
static LIST_HEAD(smsg_list);
-static int iucv_path_connected;
static int smsg_path_pending(struct iucv_path *, u8 *, u8 *);
static void smsg_message_pending(struct iucv_path *, struct iucv_message *);
@@ -124,60 +121,15 @@ void smsg_unregister_callback(const char *prefix,
kfree(cb);
}
-static int smsg_pm_freeze(struct device *dev)
-{
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "smsg_pm_freeze\n");
-#endif
- if (smsg_path && iucv_path_connected) {
- iucv_path_sever(smsg_path, NULL);
- iucv_path_connected = 0;
- }
- return 0;
-}
-
-static int smsg_pm_restore_thaw(struct device *dev)
-{
- int rc;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "smsg_pm_restore_thaw\n");
-#endif
- if (smsg_path && !iucv_path_connected) {
- memset(smsg_path, 0, sizeof(*smsg_path));
- smsg_path->msglim = 255;
- smsg_path->flags = 0;
- rc = iucv_path_connect(smsg_path, &smsg_handler, "*MSG ",
- NULL, NULL, NULL);
-#ifdef CONFIG_PM_DEBUG
- if (rc)
- printk(KERN_ERR
- "iucv_path_connect returned with rc %i\n", rc);
-#endif
- if (!rc)
- iucv_path_connected = 1;
- cpcmd("SET SMSG IUCV", NULL, 0, NULL);
- }
- return 0;
-}
-
-static const struct dev_pm_ops smsg_pm_ops = {
- .freeze = smsg_pm_freeze,
- .thaw = smsg_pm_restore_thaw,
- .restore = smsg_pm_restore_thaw,
-};
-
static struct device_driver smsg_driver = {
.owner = THIS_MODULE,
.name = SMSGIUCV_DRV_NAME,
.bus = &iucv_bus,
- .pm = &smsg_pm_ops,
};
static void __exit smsg_exit(void)
{
cpcmd("SET SMSG OFF", NULL, 0, NULL);
- device_unregister(smsg_dev);
iucv_unregister(&smsg_handler, 1);
driver_unregister(&smsg_driver);
}
@@ -205,27 +157,10 @@ static int __init smsg_init(void)
NULL, NULL, NULL);
if (rc)
goto out_free_path;
- else
- iucv_path_connected = 1;
- smsg_dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!smsg_dev) {
- rc = -ENOMEM;
- goto out_free_path;
- }
- dev_set_name(smsg_dev, "smsg_iucv");
- smsg_dev->bus = &iucv_bus;
- smsg_dev->parent = iucv_root;
- smsg_dev->release = (void (*)(struct device *))kfree;
- smsg_dev->driver = &smsg_driver;
- rc = device_register(smsg_dev);
- if (rc)
- goto out_put;
cpcmd("SET SMSG IUCV", NULL, 0, NULL);
return 0;
-out_put:
- put_device(smsg_dev);
out_free_path:
iucv_path_free(smsg_path);
smsg_path = NULL;
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 17feff174f57..2017c43dac1b 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -127,7 +127,7 @@ config CHR_DEV_SG
For scanners, look at SANE (<http://www.sane-project.org/>). For CD
writer software look at Cdrtools
- (<http://cdrecord.berlios.de/private/cdrecord.html>)
+ (<http://cdrtools.sourceforge.net/>)
and for burning a "disk at once": CDRDAO
(<http://cdrdao.sourceforge.net/>). Cdparanoia is a high
quality digital reader of audio CDs (<http://www.xiph.org/paranoia/>).
diff --git a/drivers/scsi/esas2r/esas2r_ioctl.c b/drivers/scsi/esas2r/esas2r_ioctl.c
index 442c5e70a7b4..cc620f10eabc 100644
--- a/drivers/scsi/esas2r/esas2r_ioctl.c
+++ b/drivers/scsi/esas2r/esas2r_ioctl.c
@@ -1510,7 +1510,7 @@ ioctl_done:
}
/* Always copy the buffer back, if only to pick up the status */
- err = __copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
+ err = copy_to_user(arg, ioctl, sizeof(struct atto_express_ioctl));
if (err != 0) {
esas2r_log(ESAS2R_LOG_WARN,
"ioctl_handler copy_to_user didn't copy everything (err %d, cmd %u)",
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 7da9e060b270..635f6f9cffc4 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -3640,6 +3640,11 @@ static void ibmvfc_tgt_implicit_logout_and_del(struct ibmvfc_target *tgt)
struct ibmvfc_host *vhost = tgt->vhost;
struct ibmvfc_event *evt;
+ if (!vhost->logged_in) {
+ ibmvfc_set_tgt_action(tgt, IBMVFC_TGT_ACTION_DEL_RPORT);
+ return;
+ }
+
if (vhost->discovery_threads >= disc_threads)
return;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 7f66a7783209..59f0f1030c54 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -2320,16 +2320,12 @@ static int ibmvscsi_probe(struct vio_dev *vdev, const struct vio_device_id *id)
static int ibmvscsi_remove(struct vio_dev *vdev)
{
struct ibmvscsi_host_data *hostdata = dev_get_drvdata(&vdev->dev);
- unsigned long flags;
srp_remove_host(hostdata->host);
scsi_remove_host(hostdata->host);
purge_requests(hostdata, DID_ERROR);
-
- spin_lock_irqsave(hostdata->host->host_lock, flags);
release_event_pool(&hostdata->pool, hostdata);
- spin_unlock_irqrestore(hostdata->host->host_lock, flags);
ibmvscsi_release_crq_queue(&hostdata->queue, hostdata,
max_events);
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 8e2a356911a9..62e96d4fdcc6 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -143,7 +143,7 @@ struct lpfc_dmabuf {
struct lpfc_nvmet_ctxbuf {
struct list_head list;
- struct lpfc_nvmet_rcv_ctx *context;
+ struct lpfc_async_xchg_ctx *context;
struct lpfc_iocbq *iocbq;
struct lpfc_sglq *sglq;
struct work_struct defer_work;
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 1354c141d614..f089867674cb 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -37,8 +37,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -48,7 +46,6 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_version.h"
#include "lpfc_compat.h"
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 76dc8d9493d2..9ee6b930a655 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -24,7 +24,6 @@ typedef int (*node_filter)(struct lpfc_nodelist *, void *);
struct fc_rport;
struct fc_frame_header;
-struct lpfc_nvmet_rcv_ctx;
void lpfc_down_link(struct lpfc_hba *, LPFC_MBOXQ_t *);
void lpfc_sli_read_link_ste(struct lpfc_hba *);
void lpfc_dump_mem(struct lpfc_hba *, LPFC_MBOXQ_t *, uint16_t, uint16_t);
@@ -564,12 +563,16 @@ void lpfc_nvme_update_localport(struct lpfc_vport *vport);
int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);
int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);
void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);
-void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,
- struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);
+int lpfc_nvme_handle_lsreq(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *axchg);
+int lpfc_nvmet_handle_lsreq(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *axchg);
void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint32_t idx,
struct rqb_dmabuf *nvmebuf, uint64_t isr_ts,
uint8_t cqflag);
void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);
+void lpfc_nvmet_invalidate_host(struct lpfc_hba *phba,
+ struct lpfc_nodelist *ndlp);
void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
struct lpfc_iocbq *cmdiocb,
struct lpfc_wcqe_complete *abts_cmpl);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 2aa578d20f8c..196f6ae9952e 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -44,7 +44,6 @@
#include "lpfc_disc.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
-#include "lpfc_nvme.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_version.h"
diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c
index 8a6e02aa553f..4daae90e0c99 100644
--- a/drivers/scsi/lpfc/lpfc_debugfs.c
+++ b/drivers/scsi/lpfc/lpfc_debugfs.c
@@ -39,8 +39,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -50,7 +48,6 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
@@ -1035,7 +1032,7 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_nvmet_tgtport *tgtp;
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
+ struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
struct nvme_fc_local_port *localport;
struct lpfc_fc4_ctrl_stat *cstat;
struct lpfc_nvme_lport *lport;
@@ -2166,10 +2163,6 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf,
char *pbuf;
int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
memset(mybuf, 0, sizeof(mybuf));
if (copy_from_user(mybuf, buf, nbytes))
@@ -2621,10 +2614,6 @@ lpfc_debugfs_multixripools_write(struct file *file, const char __user *buf,
if (nbytes > 64)
nbytes = 64;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
memset(mybuf, 0, sizeof(mybuf));
if (copy_from_user(mybuf, buf, nbytes))
@@ -2787,10 +2776,6 @@ lpfc_debugfs_scsistat_write(struct file *file, const char __user *buf,
char mybuf[6] = {0};
int i;
- /* Protect copy from user */
- if (!access_ok(buf, nbytes))
- return -EFAULT;
-
if (copy_from_user(mybuf, buf, (nbytes >= sizeof(mybuf)) ?
(sizeof(mybuf) - 1) : nbytes))
return -EFAULT;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 789eecbf32eb..f5952f8cd4b5 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -36,8 +36,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_nl.h"
@@ -825,6 +823,12 @@ lpfc_cleanup_rpis(struct lpfc_vport *vport, int remove)
if ((phba->sli_rev < LPFC_SLI_REV4) &&
(!remove && ndlp->nlp_type & NLP_FABRIC))
continue;
+
+ /* Notify transport of connectivity loss to trigger cleanup. */
+ if (phba->nvmet_support &&
+ ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)
+ lpfc_nvmet_invalidate_host(phba, ndlp);
+
lpfc_disc_state_machine(vport, ndlp, NULL,
remove
? NLP_EVT_DEVICE_RM
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 4104bdcdbb6f..ea99483345f2 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -50,8 +50,6 @@
#include <scsi/scsi_tcq.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -61,7 +59,6 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
@@ -1032,7 +1029,7 @@ static int
lpfc_hba_down_post_s4(struct lpfc_hba *phba)
{
struct lpfc_io_buf *psb, *psb_next;
- struct lpfc_nvmet_rcv_ctx *ctxp, *ctxp_next;
+ struct lpfc_async_xchg_ctx *ctxp, *ctxp_next;
struct lpfc_sli4_hdw_queue *qp;
LIST_HEAD(aborts);
LIST_HEAD(nvme_aborts);
@@ -1099,7 +1096,7 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
&nvmet_aborts);
spin_unlock_irq(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) {
- ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP);
+ ctxp->flag &= ~(LPFC_NVME_XBUSY | LPFC_NVME_ABORT_OP);
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
}
}
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index 7082279e4c01..726f6619230f 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -31,8 +31,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -41,8 +39,6 @@
#include "lpfc_disc.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
-#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_crtn.h"
#include "lpfc_logmsg.h"
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index a024e5a3918f..d8501bd959e7 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -32,8 +32,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -491,6 +489,11 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
(unsigned long long)
wwn_to_u64(sp->portName.u.wwn));
+ /* Notify transport of connectivity loss to trigger cleanup. */
+ if (phba->nvmet_support &&
+ ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)
+ lpfc_nvmet_invalidate_host(phba, ndlp);
+
ndlp->nlp_prev_state = ndlp->nlp_state;
/* rport needs to be unregistered first */
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
@@ -841,6 +844,12 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_rsp_acc(vport, ELS_CMD_PRLO, cmdiocb, ndlp, NULL);
else
lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
+
+ /* Notify transport of connectivity loss to trigger cleanup. */
+ if (phba->nvmet_support &&
+ ndlp->nlp_state == NLP_STE_UNMAPPED_NODE)
+ lpfc_nvmet_invalidate_host(phba, ndlp);
+
if (ndlp->nlp_DID == Fabric_DID) {
if (vport->port_state <= LPFC_FDISC)
goto out;
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index a45936e08031..b46ba70f78da 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -36,9 +36,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme.h>
-#include <linux/nvme-fc-driver.h>
-#include <linux/nvme-fc.h>
#include "lpfc_version.h"
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@@ -396,43 +393,100 @@ lpfc_nvme_remoteport_delete(struct nvme_fc_remote_port *remoteport)
return;
}
-static void
-lpfc_nvme_cmpl_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
- struct lpfc_wcqe_complete *wcqe)
+/**
+ * lpfc_nvme_handle_lsreq - Process an unsolicited NVME LS request
+ * @phba: pointer to lpfc hba data structure.
+ * @axchg: pointer to exchange context for the NVME LS request
+ *
+ * This routine is used for processing an asychronously received NVME LS
+ * request. Any remaining validation is done and the LS is then forwarded
+ * to the nvme-fc transport via nvme_fc_rcv_ls_req().
+ *
+ * The calling sequence should be: nvme_fc_rcv_ls_req() -> (processing)
+ * -> lpfc_nvme_xmt_ls_rsp/cmp -> req->done.
+ * __lpfc_nvme_xmt_ls_rsp_cmp should free the allocated axchg.
+ *
+ * Returns 0 if LS was handled and delivered to the transport
+ * Returns 1 if LS failed to be handled and should be dropped
+ */
+int
+lpfc_nvme_handle_lsreq(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *axchg)
{
- struct lpfc_vport *vport = cmdwqe->vport;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+ struct lpfc_vport *vport;
+ struct lpfc_nvme_rport *lpfc_rport;
+ struct nvme_fc_remote_port *remoteport;
struct lpfc_nvme_lport *lport;
- uint32_t status;
+ uint32_t *payload = axchg->payload;
+ int rc;
+
+ vport = axchg->ndlp->vport;
+ lpfc_rport = axchg->ndlp->nrport;
+ if (!lpfc_rport)
+ return -EINVAL;
+
+ remoteport = lpfc_rport->remoteport;
+ if (!vport->localport)
+ return -EINVAL;
+
+ lport = vport->localport->private;
+ if (!lport)
+ return -EINVAL;
+
+ rc = nvme_fc_rcv_ls_req(remoteport, &axchg->ls_rsp, axchg->payload,
+ axchg->size);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+ "6205 NVME Unsol rcv: sz %d rc %d: %08x %08x %08x "
+ "%08x %08x %08x\n",
+ axchg->size, rc,
+ *payload, *(payload+1), *(payload+2),
+ *(payload+3), *(payload+4), *(payload+5));
+
+ if (!rc)
+ return 0;
+#endif
+ return 1;
+}
+
+/**
+ * __lpfc_nvme_ls_req_cmp - Generic completion handler for a NVME
+ * LS request.
+ * @phba: Pointer to HBA context object
+ * @vport: The local port that issued the LS
+ * @cmdwqe: Pointer to driver command WQE object.
+ * @wcqe: Pointer to driver response CQE object.
+ *
+ * This function is the generic completion handler for NVME LS requests.
+ * The function updates any states and statistics, calls the transport
+ * ls_req done() routine, then tears down the command and buffers used
+ * for the LS request.
+ **/
+void
+__lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_vport *vport,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
struct nvmefc_ls_req *pnvme_lsreq;
struct lpfc_dmabuf *buf_ptr;
struct lpfc_nodelist *ndlp;
+ uint32_t status;
pnvme_lsreq = (struct nvmefc_ls_req *)cmdwqe->context2;
+ ndlp = (struct lpfc_nodelist *)cmdwqe->context1;
status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
- if (vport->localport) {
- lport = (struct lpfc_nvme_lport *)vport->localport->private;
- if (lport) {
- atomic_inc(&lport->fc4NvmeLsCmpls);
- if (status) {
- if (bf_get(lpfc_wcqe_c_xb, wcqe))
- atomic_inc(&lport->cmpl_ls_xb);
- atomic_inc(&lport->cmpl_ls_err);
- }
- }
- }
-
- ndlp = (struct lpfc_nodelist *)cmdwqe->context1;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
- "6047 nvme cmpl Enter "
- "Data %px DID %x Xri: %x status %x reason x%x "
- "cmd:x%px lsreg:x%px bmp:x%px ndlp:x%px\n",
+ "6047 NVMEx LS REQ %px cmpl DID %x Xri: %x "
+ "status %x reason x%x cmd:x%px lsreg:x%px bmp:x%px "
+ "ndlp:x%px\n",
pnvme_lsreq, ndlp ? ndlp->nlp_DID : 0,
cmdwqe->sli4_xritag, status,
(wcqe->parameter & 0xffff),
cmdwqe, pnvme_lsreq, cmdwqe->context3, ndlp);
- lpfc_nvmeio_data(phba, "NVME LS CMPL: xri x%x stat x%x parm x%x\n",
+ lpfc_nvmeio_data(phba, "NVMEx LS CMPL: xri x%x stat x%x parm x%x\n",
cmdwqe->sli4_xritag, status, wcqe->parameter);
if (cmdwqe->context3) {
@@ -445,7 +499,7 @@ lpfc_nvme_cmpl_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
pnvme_lsreq->done(pnvme_lsreq, status);
else
lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,
- "6046 nvme cmpl without done call back? "
+ "6046 NVMEx cmpl without done call back? "
"Data %px DID %x Xri: %x status %x\n",
pnvme_lsreq, ndlp ? ndlp->nlp_DID : 0,
cmdwqe->sli4_xritag, status);
@@ -456,6 +510,31 @@ lpfc_nvme_cmpl_gen_req(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
lpfc_sli_release_iocbq(phba, cmdwqe);
}
+static void
+lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
+ struct lpfc_vport *vport = cmdwqe->vport;
+ struct lpfc_nvme_lport *lport;
+ uint32_t status;
+
+ status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
+
+ if (vport->localport) {
+ lport = (struct lpfc_nvme_lport *)vport->localport->private;
+ if (lport) {
+ atomic_inc(&lport->fc4NvmeLsCmpls);
+ if (status) {
+ if (bf_get(lpfc_wcqe_c_xb, wcqe))
+ atomic_inc(&lport->cmpl_ls_xb);
+ atomic_inc(&lport->cmpl_ls_err);
+ }
+ }
+ }
+
+ __lpfc_nvme_ls_req_cmp(phba, vport, cmdwqe, wcqe);
+}
+
static int
lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
struct lpfc_dmabuf *inp,
@@ -557,13 +636,6 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
/* Issue GEN REQ WQE for NPORT <did> */
- lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
- "6050 Issue GEN REQ WQE to NPORT x%x "
- "Data: x%x x%x wq:x%px lsreq:x%px bmp:x%px "
- "xmit:%d 1st:%d\n",
- ndlp->nlp_DID, genwqe->iotag,
- vport->port_state,
- genwqe, pnvme_lsreq, bmp, xmit_len, first_len);
genwqe->wqe_cmpl = cmpl;
genwqe->iocb_cmpl = NULL;
genwqe->drvrTimeout = tmo + LPFC_DRVR_TIMEOUT;
@@ -575,105 +647,108 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
rc = lpfc_sli4_issue_wqe(phba, &phba->sli4_hba.hdwq[0], genwqe);
if (rc) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC | LOG_ELS,
"6045 Issue GEN REQ WQE to NPORT x%x "
- "Data: x%x x%x\n",
+ "Data: x%x x%x rc x%x\n",
ndlp->nlp_DID, genwqe->iotag,
- vport->port_state);
+ vport->port_state, rc);
lpfc_sli_release_iocbq(phba, genwqe);
return 1;
}
+
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC | LOG_ELS,
+ "6050 Issue GEN REQ WQE to NPORT x%x "
+ "Data: oxid: x%x state: x%x wq:x%px lsreq:x%px "
+ "bmp:x%px xmit:%d 1st:%d\n",
+ ndlp->nlp_DID, genwqe->sli4_xritag,
+ vport->port_state,
+ genwqe, pnvme_lsreq, bmp, xmit_len, first_len);
return 0;
}
+
/**
- * lpfc_nvme_ls_req - Issue an Link Service request
- * @lpfc_pnvme: Pointer to the driver's nvme instance data
- * @lpfc_nvme_lport: Pointer to the driver's local port data
- * @lpfc_nvme_rport: Pointer to the rport getting the @lpfc_nvme_ereq
+ * __lpfc_nvme_ls_req - Generic service routine to issue an NVME LS request
+ * @vport: The local port issuing the LS
+ * @ndlp: The remote port to send the LS to
+ * @pnvme_lsreq: Pointer to LS request structure from the transport
*
- * Driver registers this routine to handle any link service request
- * from the nvme_fc transport to a remote nvme-aware port.
+ * Routine validates the ndlp, builds buffers and sends a GEN_REQUEST
+ * WQE to perform the LS operation.
*
* Return value :
* 0 - Success
- * TODO: What are the failure codes.
+ * non-zero: various error codes, in form of -Exxx
**/
-static int
-lpfc_nvme_ls_req(struct nvme_fc_local_port *pnvme_lport,
- struct nvme_fc_remote_port *pnvme_rport,
- struct nvmefc_ls_req *pnvme_lsreq)
+int
+__lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ struct nvmefc_ls_req *pnvme_lsreq,
+ void (*gen_req_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe))
{
- int ret = 0;
- struct lpfc_nvme_lport *lport;
- struct lpfc_nvme_rport *rport;
- struct lpfc_vport *vport;
- struct lpfc_nodelist *ndlp;
- struct ulp_bde64 *bpl;
struct lpfc_dmabuf *bmp;
+ struct ulp_bde64 *bpl;
+ int ret;
uint16_t ntype, nstate;
- /* there are two dma buf in the request, actually there is one and
- * the second one is just the start address + cmd size.
- * Before calling lpfc_nvme_gen_req these buffers need to be wrapped
- * in a lpfc_dmabuf struct. When freeing we just free the wrapper
- * because the nvem layer owns the data bufs.
- * We do not have to break these packets open, we don't care what is in
- * them. And we do not have to look at the resonse data, we only care
- * that we got a response. All of the caring is going to happen in the
- * nvme-fc layer.
- */
-
- lport = (struct lpfc_nvme_lport *)pnvme_lport->private;
- rport = (struct lpfc_nvme_rport *)pnvme_rport->private;
- if (unlikely(!lport) || unlikely(!rport))
- return -EINVAL;
-
- vport = lport->vport;
-
- if (vport->load_flag & FC_UNLOADING)
- return -ENODEV;
-
- /* Need the ndlp. It is stored in the driver's rport. */
- ndlp = rport->ndlp;
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE | LOG_NVME_IOERR,
- "6051 Remoteport x%px, rport has invalid ndlp. "
- "Failing LS Req\n", pnvme_rport);
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_NVME_DISC | LOG_NODE | LOG_NVME_IOERR,
+ "6051 NVMEx LS REQ: Bad NDLP x%px, Failing "
+ "LS Req\n",
+ ndlp);
return -ENODEV;
}
- /* The remote node has to be a mapped nvme target or an
- * unmapped nvme initiator or it's an error.
- */
ntype = ndlp->nlp_type;
nstate = ndlp->nlp_state;
if ((ntype & NLP_NVME_TARGET && nstate != NLP_STE_MAPPED_NODE) ||
(ntype & NLP_NVME_INITIATOR && nstate != NLP_STE_UNMAPPED_NODE)) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NODE | LOG_NVME_IOERR,
- "6088 DID x%06x not ready for "
- "IO. State x%x, Type x%x\n",
- pnvme_rport->port_id,
- ndlp->nlp_state, ndlp->nlp_type);
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_NVME_DISC | LOG_NODE | LOG_NVME_IOERR,
+ "6088 NVMEx LS REQ: Fail DID x%06x not "
+ "ready for IO. Type x%x, State x%x\n",
+ ndlp->nlp_DID, ntype, nstate);
return -ENODEV;
}
- bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+
+ /*
+ * there are two dma buf in the request, actually there is one and
+ * the second one is just the start address + cmd size.
+ * Before calling lpfc_nvme_gen_req these buffers need to be wrapped
+ * in a lpfc_dmabuf struct. When freeing we just free the wrapper
+ * because the nvem layer owns the data bufs.
+ * We do not have to break these packets open, we don't care what is
+ * in them. And we do not have to look at the resonse data, we only
+ * care that we got a response. All of the caring is going to happen
+ * in the nvme-fc layer.
+ */
+
+ bmp = kmalloc(sizeof(*bmp), GFP_KERNEL);
if (!bmp) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,
- "6044 Could not find node for DID %x\n",
- pnvme_rport->port_id);
- return 2;
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6044 NVMEx LS REQ: Could not alloc LS buf "
+ "for DID %x\n",
+ ndlp->nlp_DID);
+ return -ENOMEM;
}
- INIT_LIST_HEAD(&bmp->list);
+
bmp->virt = lpfc_mbuf_alloc(vport->phba, MEM_PRI, &(bmp->phys));
if (!bmp->virt) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,
- "6042 Could not find node for DID %x\n",
- pnvme_rport->port_id);
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6042 NVMEx LS REQ: Could not alloc mbuf "
+ "for DID %x\n",
+ ndlp->nlp_DID);
kfree(bmp);
- return 3;
+ return -ENOMEM;
}
+
+ INIT_LIST_HEAD(&bmp->list);
+
bpl = (struct ulp_bde64 *)bmp->virt;
bpl->addrHigh = le32_to_cpu(putPaddrHigh(pnvme_lsreq->rqstdma));
bpl->addrLow = le32_to_cpu(putPaddrLow(pnvme_lsreq->rqstdma));
@@ -688,118 +763,206 @@ lpfc_nvme_ls_req(struct nvme_fc_local_port *pnvme_lport,
bpl->tus.f.bdeSize = pnvme_lsreq->rsplen;
bpl->tus.w = le32_to_cpu(bpl->tus.w);
- /* Expand print to include key fields. */
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
- "6149 Issue LS Req to DID 0x%06x lport x%px, "
- "rport x%px lsreq x%px rqstlen:%d rsplen:%d "
- "%pad %pad\n",
- ndlp->nlp_DID, pnvme_lport, pnvme_rport,
- pnvme_lsreq, pnvme_lsreq->rqstlen,
- pnvme_lsreq->rsplen, &pnvme_lsreq->rqstdma,
- &pnvme_lsreq->rspdma);
-
- atomic_inc(&lport->fc4NvmeLsRequests);
+ "6149 NVMEx LS REQ: Issue to DID 0x%06x lsreq x%px, "
+ "rqstlen:%d rsplen:%d %pad %pad\n",
+ ndlp->nlp_DID, pnvme_lsreq, pnvme_lsreq->rqstlen,
+ pnvme_lsreq->rsplen, &pnvme_lsreq->rqstdma,
+ &pnvme_lsreq->rspdma);
- /* Hardcode the wait to 30 seconds. Connections are failing otherwise.
- * This code allows it all to work.
- */
ret = lpfc_nvme_gen_req(vport, bmp, pnvme_lsreq->rqstaddr,
- pnvme_lsreq, lpfc_nvme_cmpl_gen_req,
- ndlp, 2, 30, 0);
+ pnvme_lsreq, gen_req_cmp, ndlp, 2,
+ LPFC_NVME_LS_TIMEOUT, 0);
if (ret != WQE_SUCCESS) {
- atomic_inc(&lport->xmt_ls_err);
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,
- "6052 EXIT. issue ls wqe failed lport x%px, "
- "rport x%px lsreq x%px Status %x DID %x\n",
- pnvme_lport, pnvme_rport, pnvme_lsreq,
- ret, ndlp->nlp_DID);
+ lpfc_printf_vlog(vport, KERN_ERR,
+ LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6052 NVMEx REQ: EXIT. issue ls wqe failed "
+ "lsreq x%px Status %x DID %x\n",
+ pnvme_lsreq, ret, ndlp->nlp_DID);
lpfc_mbuf_free(vport->phba, bmp->virt, bmp->phys);
kfree(bmp);
- return ret;
+ return -EIO;
}
- /* Stub in routine and return 0 for now. */
- return ret;
+ return 0;
}
/**
- * lpfc_nvme_ls_abort - Issue an Link Service request
- * @lpfc_pnvme: Pointer to the driver's nvme instance data
- * @lpfc_nvme_lport: Pointer to the driver's local port data
- * @lpfc_nvme_rport: Pointer to the rport getting the @lpfc_nvme_ereq
+ * lpfc_nvme_ls_req - Issue an NVME Link Service request
+ * @lpfc_nvme_lport: Transport localport that LS is to be issued from.
+ * @lpfc_nvme_rport: Transport remoteport that LS is to be sent to.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for the LS
*
* Driver registers this routine to handle any link service request
* from the nvme_fc transport to a remote nvme-aware port.
*
* Return value :
* 0 - Success
- * TODO: What are the failure codes.
+ * non-zero: various error codes, in form of -Exxx
**/
-static void
-lpfc_nvme_ls_abort(struct nvme_fc_local_port *pnvme_lport,
- struct nvme_fc_remote_port *pnvme_rport,
- struct nvmefc_ls_req *pnvme_lsreq)
+static int
+lpfc_nvme_ls_req(struct nvme_fc_local_port *pnvme_lport,
+ struct nvme_fc_remote_port *pnvme_rport,
+ struct nvmefc_ls_req *pnvme_lsreq)
{
struct lpfc_nvme_lport *lport;
+ struct lpfc_nvme_rport *rport;
struct lpfc_vport *vport;
- struct lpfc_hba *phba;
- struct lpfc_nodelist *ndlp;
- LIST_HEAD(abort_list);
- struct lpfc_sli_ring *pring;
- struct lpfc_iocbq *wqe, *next_wqe;
+ int ret;
lport = (struct lpfc_nvme_lport *)pnvme_lport->private;
- if (unlikely(!lport))
- return;
- vport = lport->vport;
- phba = vport->phba;
+ rport = (struct lpfc_nvme_rport *)pnvme_rport->private;
+ if (unlikely(!lport) || unlikely(!rport))
+ return -EINVAL;
+ vport = lport->vport;
if (vport->load_flag & FC_UNLOADING)
- return;
+ return -ENODEV;
+
+ atomic_inc(&lport->fc4NvmeLsRequests);
+
+ ret = __lpfc_nvme_ls_req(vport, rport->ndlp, pnvme_lsreq,
+ lpfc_nvme_ls_req_cmp);
+ if (ret)
+ atomic_inc(&lport->xmt_ls_err);
+
+ return ret;
+}
+
+/**
+ * __lpfc_nvme_ls_abort - Generic service routine to abort a prior
+ * NVME LS request
+ * @vport: The local port that issued the LS
+ * @ndlp: The remote port the LS was sent to
+ * @pnvme_lsreq: Pointer to LS request structure from the transport
+ *
+ * The driver validates the ndlp, looks for the LS, and aborts the
+ * LS if found.
+ *
+ * Returns:
+ * 0 : if LS found and aborted
+ * non-zero: various error conditions in form -Exxx
+ **/
+int
+__lpfc_nvme_ls_abort(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_sli_ring *pring;
+ struct lpfc_iocbq *wqe, *next_wqe;
+ bool foundit = false;
- ndlp = lpfc_findnode_did(vport, pnvme_rport->port_id);
if (!ndlp) {
- lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_ABTS,
- "6049 Could not find node for DID %x\n",
- pnvme_rport->port_id);
- return;
+ lpfc_printf_log(phba, KERN_ERR,
+ LOG_NVME_DISC | LOG_NODE |
+ LOG_NVME_IOERR | LOG_NVME_ABTS,
+ "6049 NVMEx LS REQ Abort: Bad NDLP x%px DID "
+ "x%06x, Failing LS Req\n",
+ ndlp, ndlp ? ndlp->nlp_DID : 0);
+ return -EINVAL;
}
- /* Expand print to include key fields. */
- lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_ABTS,
- "6040 ENTER. lport x%px, rport x%px lsreq x%px rqstlen:%d "
- "rsplen:%d %pad %pad\n",
- pnvme_lport, pnvme_rport,
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC | LOG_NVME_ABTS,
+ "6040 NVMEx LS REQ Abort: Issue LS_ABORT for lsreq "
+ "x%p rqstlen:%d rsplen:%d %pad %pad\n",
pnvme_lsreq, pnvme_lsreq->rqstlen,
pnvme_lsreq->rsplen, &pnvme_lsreq->rqstdma,
&pnvme_lsreq->rspdma);
/*
- * Lock the ELS ring txcmplq and build a local list of all ELS IOs
- * that need an ABTS. The IOs need to stay on the txcmplq so that
- * the abort operation completes them successfully.
+ * Lock the ELS ring txcmplq and look for the wqe that matches
+ * this ELS. If found, issue an abort on the wqe.
*/
pring = phba->sli4_hba.nvmels_wq->pring;
spin_lock_irq(&phba->hbalock);
spin_lock(&pring->ring_lock);
list_for_each_entry_safe(wqe, next_wqe, &pring->txcmplq, list) {
- /* Add to abort_list on on NDLP match. */
- if (lpfc_check_sli_ndlp(phba, pring, wqe, ndlp)) {
+ if (wqe->context2 == pnvme_lsreq) {
wqe->iocb_flag |= LPFC_DRIVER_ABORTED;
- list_add_tail(&wqe->dlist, &abort_list);
+ foundit = true;
+ break;
}
}
spin_unlock(&pring->ring_lock);
- spin_unlock_irq(&phba->hbalock);
- /* Abort the targeted IOs and remove them from the abort list. */
- list_for_each_entry_safe(wqe, next_wqe, &abort_list, dlist) {
- atomic_inc(&lport->xmt_ls_abort);
- spin_lock_irq(&phba->hbalock);
- list_del_init(&wqe->dlist);
+ if (foundit)
lpfc_sli_issue_abort_iotag(phba, pring, wqe);
- spin_unlock_irq(&phba->hbalock);
+ spin_unlock_irq(&phba->hbalock);
+
+ if (foundit)
+ return 0;
+
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC | LOG_NVME_ABTS,
+ "6213 NVMEx LS REQ Abort: Unable to locate req x%p\n",
+ pnvme_lsreq);
+ return -EINVAL;
+}
+
+static int
+lpfc_nvme_xmt_ls_rsp(struct nvme_fc_local_port *localport,
+ struct nvme_fc_remote_port *remoteport,
+ struct nvmefc_ls_rsp *ls_rsp)
+{
+ struct lpfc_async_xchg_ctx *axchg =
+ container_of(ls_rsp, struct lpfc_async_xchg_ctx, ls_rsp);
+ struct lpfc_nvme_lport *lport;
+ int rc;
+
+ if (axchg->phba->pport->load_flag & FC_UNLOADING)
+ return -ENODEV;
+
+ lport = (struct lpfc_nvme_lport *)localport->private;
+
+ rc = __lpfc_nvme_xmt_ls_rsp(axchg, ls_rsp, __lpfc_nvme_xmt_ls_rsp_cmp);
+
+ if (rc) {
+ /*
+ * unless the failure is due to having already sent
+ * the response, an abort will be generated for the
+ * exchange if the rsp can't be sent.
+ */
+ if (rc != -EALREADY)
+ atomic_inc(&lport->xmt_ls_abort);
+ return rc;
}
+
+ return 0;
+}
+
+/**
+ * lpfc_nvme_ls_abort - Abort a prior NVME LS request
+ * @lpfc_nvme_lport: Transport localport that LS is to be issued from.
+ * @lpfc_nvme_rport: Transport remoteport that LS is to be sent to.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for the LS
+ *
+ * Driver registers this routine to abort a NVME LS request that is
+ * in progress (from the transports perspective).
+ **/
+static void
+lpfc_nvme_ls_abort(struct nvme_fc_local_port *pnvme_lport,
+ struct nvme_fc_remote_port *pnvme_rport,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_nvme_lport *lport;
+ struct lpfc_vport *vport;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ int ret;
+
+ lport = (struct lpfc_nvme_lport *)pnvme_lport->private;
+ if (unlikely(!lport))
+ return;
+ vport = lport->vport;
+ phba = vport->phba;
+
+ if (vport->load_flag & FC_UNLOADING)
+ return;
+
+ ndlp = lpfc_findnode_did(vport, pnvme_rport->port_id);
+
+ ret = __lpfc_nvme_ls_abort(vport, ndlp, pnvme_lsreq);
+ if (!ret)
+ atomic_inc(&lport->xmt_ls_abort);
}
/* Fix up the existing sgls for NVME IO. */
@@ -1911,6 +2074,7 @@ static struct nvme_fc_port_template lpfc_nvme_template = {
.fcp_io = lpfc_nvme_fcp_io_submit,
.ls_abort = lpfc_nvme_ls_abort,
.fcp_abort = lpfc_nvme_fcp_abort,
+ .xmt_ls_rsp = lpfc_nvme_xmt_ls_rsp,
.max_hw_queues = 1,
.max_sgl_segments = LPFC_NVME_DEFAULT_SEGS,
@@ -2106,6 +2270,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
atomic_set(&lport->cmpl_fcp_err, 0);
atomic_set(&lport->cmpl_ls_xb, 0);
atomic_set(&lport->cmpl_ls_err, 0);
+
atomic_set(&lport->fc4NvmeLsRequests, 0);
atomic_set(&lport->fc4NvmeLsCmpls, 0);
}
diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h
index 593c48ff634e..4a4c3f780e1f 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.h
+++ b/drivers/scsi/lpfc/lpfc_nvme.h
@@ -21,6 +21,10 @@
* included with this package. *
********************************************************************/
+#include <linux/nvme.h>
+#include <linux/nvme-fc-driver.h>
+#include <linux/nvme-fc.h>
+
#define LPFC_NVME_DEFAULT_SEGS (64 + 1) /* 256K IOs */
#define LPFC_NVME_ERSP_LEN 0x20
@@ -74,3 +78,179 @@ struct lpfc_nvme_rport {
struct lpfc_nvme_fcpreq_priv {
struct lpfc_io_buf *nvme_buf;
};
+
+/*
+ * set NVME LS request timeouts to 30s. It is larger than the 2*R_A_TOV
+ * set by the spec, which appears to have issues with some devices.
+ */
+#define LPFC_NVME_LS_TIMEOUT 30
+
+
+#define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */
+#define LPFC_NVMET_RQE_MIN_POST 128
+#define LPFC_NVMET_RQE_DEF_POST 512
+#define LPFC_NVMET_RQE_DEF_COUNT 2048
+#define LPFC_NVMET_SUCCESS_LEN 12
+
+#define LPFC_NVMET_MRQ_AUTO 0
+#define LPFC_NVMET_MRQ_MAX 16
+
+#define LPFC_NVMET_WAIT_TMO (5 * MSEC_PER_SEC)
+
+/* Used for NVME Target */
+#define LPFC_NVMET_INV_HOST_ACTIVE 1
+
+struct lpfc_nvmet_tgtport {
+ struct lpfc_hba *phba;
+ struct completion *tport_unreg_cmp;
+ atomic_t state; /* tracks nvmet hosthandle invalidation */
+
+ /* Stats counters - lpfc_nvmet_unsol_ls_buffer */
+ atomic_t rcv_ls_req_in;
+ atomic_t rcv_ls_req_out;
+ atomic_t rcv_ls_req_drop;
+ atomic_t xmt_ls_abort;
+ atomic_t xmt_ls_abort_cmpl;
+
+ /* Stats counters - lpfc_nvmet_xmt_ls_rsp */
+ atomic_t xmt_ls_rsp;
+ atomic_t xmt_ls_drop;
+
+ /* Stats counters - lpfc_nvmet_xmt_ls_rsp_cmp */
+ atomic_t xmt_ls_rsp_error;
+ atomic_t xmt_ls_rsp_aborted;
+ atomic_t xmt_ls_rsp_xb_set;
+ atomic_t xmt_ls_rsp_cmpl;
+
+ /* Stats counters - lpfc_nvmet_unsol_fcp_buffer */
+ atomic_t rcv_fcp_cmd_in;
+ atomic_t rcv_fcp_cmd_out;
+ atomic_t rcv_fcp_cmd_drop;
+ atomic_t rcv_fcp_cmd_defer;
+ atomic_t xmt_fcp_release;
+
+ /* Stats counters - lpfc_nvmet_xmt_fcp_op */
+ atomic_t xmt_fcp_drop;
+ atomic_t xmt_fcp_read_rsp;
+ atomic_t xmt_fcp_read;
+ atomic_t xmt_fcp_write;
+ atomic_t xmt_fcp_rsp;
+
+ /* Stats counters - lpfc_nvmet_xmt_fcp_op_cmp */
+ atomic_t xmt_fcp_rsp_xb_set;
+ atomic_t xmt_fcp_rsp_cmpl;
+ atomic_t xmt_fcp_rsp_error;
+ atomic_t xmt_fcp_rsp_aborted;
+ atomic_t xmt_fcp_rsp_drop;
+
+ /* Stats counters - lpfc_nvmet_xmt_fcp_abort */
+ atomic_t xmt_fcp_xri_abort_cqe;
+ atomic_t xmt_fcp_abort;
+ atomic_t xmt_fcp_abort_cmpl;
+ atomic_t xmt_abort_sol;
+ atomic_t xmt_abort_unsol;
+ atomic_t xmt_abort_rsp;
+ atomic_t xmt_abort_rsp_error;
+
+ /* Stats counters - defer IO */
+ atomic_t defer_ctx;
+ atomic_t defer_fod;
+ atomic_t defer_wqfull;
+};
+
+struct lpfc_nvmet_ctx_info {
+ struct list_head nvmet_ctx_list;
+ spinlock_t nvmet_ctx_list_lock; /* lock per CPU */
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_next_cpu;
+ struct lpfc_nvmet_ctx_info *nvmet_ctx_start_cpu;
+ uint16_t nvmet_ctx_list_cnt;
+ char pad[16]; /* pad to a cache-line */
+};
+
+/* This retrieves the context info associated with the specified cpu / mrq */
+#define lpfc_get_ctx_list(phba, cpu, mrq) \
+ (phba->sli4_hba.nvmet_ctx_info + ((cpu * phba->cfg_nvmet_mrq) + mrq))
+
+/* Values for state field of struct lpfc_async_xchg_ctx */
+#define LPFC_NVME_STE_LS_RCV 1
+#define LPFC_NVME_STE_LS_ABORT 2
+#define LPFC_NVME_STE_LS_RSP 3
+#define LPFC_NVME_STE_RCV 4
+#define LPFC_NVME_STE_DATA 5
+#define LPFC_NVME_STE_ABORT 6
+#define LPFC_NVME_STE_DONE 7
+#define LPFC_NVME_STE_FREE 0xff
+
+/* Values for flag field of struct lpfc_async_xchg_ctx */
+#define LPFC_NVME_IO_INP 0x1 /* IO is in progress on exchange */
+#define LPFC_NVME_ABORT_OP 0x2 /* Abort WQE issued on exchange */
+#define LPFC_NVME_XBUSY 0x4 /* XB bit set on IO cmpl */
+#define LPFC_NVME_CTX_RLS 0x8 /* ctx free requested */
+#define LPFC_NVME_ABTS_RCV 0x10 /* ABTS received on exchange */
+#define LPFC_NVME_CTX_REUSE_WQ 0x20 /* ctx reused via WQ */
+#define LPFC_NVME_DEFER_WQFULL 0x40 /* Waiting on a free WQE */
+#define LPFC_NVME_TNOTIFY 0x80 /* notify transport of abts */
+
+struct lpfc_async_xchg_ctx {
+ union {
+ struct nvmefc_tgt_fcp_req fcp_req;
+ } hdlrctx;
+ struct list_head list;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ struct nvmefc_ls_req *ls_req;
+ struct nvmefc_ls_rsp ls_rsp;
+ struct lpfc_iocbq *wqeq;
+ struct lpfc_iocbq *abort_wqeq;
+ spinlock_t ctxlock; /* protect flag access */
+ uint32_t sid;
+ uint32_t offset;
+ uint16_t oxid;
+ uint16_t size;
+ uint16_t entry_cnt;
+ uint16_t cpu;
+ uint16_t idx;
+ uint16_t state;
+ uint16_t flag;
+ void *payload;
+ struct rqb_dmabuf *rqb_buffer;
+ struct lpfc_nvmet_ctxbuf *ctxbuf;
+ struct lpfc_sli4_hdw_queue *hdwq;
+
+#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
+ uint64_t ts_isr_cmd;
+ uint64_t ts_cmd_nvme;
+ uint64_t ts_nvme_data;
+ uint64_t ts_data_wqput;
+ uint64_t ts_isr_data;
+ uint64_t ts_data_nvme;
+ uint64_t ts_nvme_status;
+ uint64_t ts_status_wqput;
+ uint64_t ts_isr_status;
+ uint64_t ts_status_nvme;
+#endif
+};
+
+
+/* routines found in lpfc_nvme.c */
+int __lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
+ struct nvmefc_ls_req *pnvme_lsreq,
+ void (*gen_req_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe));
+void __lpfc_nvme_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_vport *vport,
+ struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe);
+int __lpfc_nvme_ls_abort(struct lpfc_vport *vport,
+ struct lpfc_nodelist *ndlp, struct nvmefc_ls_req *pnvme_lsreq);
+
+/* routines found in lpfc_nvmet.c */
+int lpfc_nvme_unsol_ls_issue_abort(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp, uint32_t sid,
+ uint16_t xri);
+int __lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg,
+ struct nvmefc_ls_rsp *ls_rsp,
+ void (*xmt_ls_rsp_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe));
+void __lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe, struct lpfc_wcqe_complete *wcqe);
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index 565419bf8d74..32eb5e873e9b 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -36,10 +36,6 @@
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
-#include <linux/nvme.h>
-#include <linux/nvme-fc-driver.h>
-#include <linux/nvme-fc.h>
-
#include "lpfc_version.h"
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@@ -50,29 +46,25 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
#include "lpfc_debugfs.h"
static struct lpfc_iocbq *lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
dma_addr_t rspbuf,
uint16_t rspsize);
static struct lpfc_iocbq *lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *);
+ struct lpfc_async_xchg_ctx *);
static int lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
uint32_t, uint16_t);
static int lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
+ struct lpfc_async_xchg_ctx *,
uint32_t, uint16_t);
-static int lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *,
- struct lpfc_nvmet_rcv_ctx *,
- uint32_t, uint16_t);
static void lpfc_nvmet_wqfull_flush(struct lpfc_hba *, struct lpfc_queue *,
- struct lpfc_nvmet_rcv_ctx *);
+ struct lpfc_async_xchg_ctx *);
static void lpfc_nvmet_fcp_rqst_defer_work(struct work_struct *);
static void lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf);
@@ -221,10 +213,10 @@ lpfc_nvmet_cmd_template(void)
}
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
-static struct lpfc_nvmet_rcv_ctx *
+static struct lpfc_async_xchg_ctx *
lpfc_nvmet_get_ctx_for_xri(struct lpfc_hba *phba, u16 xri)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
unsigned long iflag;
bool found = false;
@@ -243,10 +235,10 @@ lpfc_nvmet_get_ctx_for_xri(struct lpfc_hba *phba, u16 xri)
return NULL;
}
-static struct lpfc_nvmet_rcv_ctx *
+static struct lpfc_async_xchg_ctx *
lpfc_nvmet_get_ctx_for_oxid(struct lpfc_hba *phba, u16 oxid, u32 sid)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
unsigned long iflag;
bool found = false;
@@ -267,7 +259,8 @@ lpfc_nvmet_get_ctx_for_oxid(struct lpfc_hba *phba, u16 oxid, u32 sid)
#endif
static void
-lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp)
+lpfc_nvmet_defer_release(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp)
{
lockdep_assert_held(&ctxp->ctxlock);
@@ -275,10 +268,10 @@ lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp)
"6313 NVMET Defer ctx release oxid x%x flg x%x\n",
ctxp->oxid, ctxp->flag);
- if (ctxp->flag & LPFC_NVMET_CTX_RLS)
+ if (ctxp->flag & LPFC_NVME_CTX_RLS)
return;
- ctxp->flag |= LPFC_NVMET_CTX_RLS;
+ ctxp->flag |= LPFC_NVME_CTX_RLS;
spin_lock(&phba->sli4_hba.t_active_list_lock);
list_del(&ctxp->list);
spin_unlock(&phba->sli4_hba.t_active_list_lock);
@@ -288,6 +281,53 @@ lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp)
}
/**
+ * __lpfc_nvme_xmt_ls_rsp_cmp - Generic completion handler for the
+ * transmission of an NVME LS response.
+ * @phba: Pointer to HBA context object.
+ * @cmdwqe: Pointer to driver command WQE object.
+ * @wcqe: Pointer to driver response CQE object.
+ *
+ * The function is called from SLI ring event handler with no
+ * lock held. The function frees memory resources used for the command
+ * used to send the NVME LS RSP.
+ **/
+void
+__lpfc_nvme_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
+ struct lpfc_async_xchg_ctx *axchg = cmdwqe->context2;
+ struct nvmefc_ls_rsp *ls_rsp = &axchg->ls_rsp;
+ uint32_t status, result;
+
+ status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
+ result = wcqe->parameter;
+
+ if (axchg->state != LPFC_NVME_STE_LS_RSP || axchg->entry_cnt != 2) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6410 NVMEx LS cmpl state mismatch IO x%x: "
+ "%d %d\n",
+ axchg->oxid, axchg->state, axchg->entry_cnt);
+ }
+
+ lpfc_nvmeio_data(phba, "NVMEx LS CMPL: xri x%x stat x%x result x%x\n",
+ axchg->oxid, status, result);
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+ "6038 NVMEx LS rsp cmpl: %d %d oxid x%x\n",
+ status, result, axchg->oxid);
+
+ lpfc_nlp_put(cmdwqe->context1);
+ cmdwqe->context2 = NULL;
+ cmdwqe->context3 = NULL;
+ lpfc_sli_release_iocbq(phba, cmdwqe);
+ ls_rsp->done(ls_rsp);
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
+ "6200 NVMEx LS rsp cmpl done status %d oxid x%x\n",
+ status, axchg->oxid);
+ kfree(axchg);
+}
+
+/**
* lpfc_nvmet_xmt_ls_rsp_cmp - Completion handler for LS Response
* @phba: Pointer to HBA context object.
* @cmdwqe: Pointer to driver command WQE object.
@@ -295,33 +335,23 @@ lpfc_nvmet_defer_release(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp)
*
* The function is called from SLI ring event handler with no
* lock held. This function is the completion handler for NVME LS commands
- * The function frees memory resources used for the NVME commands.
+ * The function updates any states and statistics, then calls the
+ * generic completion handler to free resources.
**/
static void
lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
struct lpfc_nvmet_tgtport *tgtp;
- struct nvmefc_tgt_ls_req *rsp;
- struct lpfc_nvmet_rcv_ctx *ctxp;
uint32_t status, result;
- status = bf_get(lpfc_wcqe_c_status, wcqe);
- result = wcqe->parameter;
- ctxp = cmdwqe->context2;
-
- if (ctxp->state != LPFC_NVMET_STE_LS_RSP || ctxp->entry_cnt != 2) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6410 NVMET LS cmpl state mismatch IO x%x: "
- "%d %d\n",
- ctxp->oxid, ctxp->state, ctxp->entry_cnt);
- }
-
if (!phba->targetport)
- goto out;
+ goto finish;
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ status = bf_get(lpfc_wcqe_c_status, wcqe) & LPFC_IOCB_STATUS_MASK;
+ result = wcqe->parameter;
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
if (tgtp) {
if (status) {
atomic_inc(&tgtp->xmt_ls_rsp_error);
@@ -334,22 +364,8 @@ lpfc_nvmet_xmt_ls_rsp_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
}
}
-out:
- rsp = &ctxp->ctx.ls_req;
-
- lpfc_nvmeio_data(phba, "NVMET LS CMPL: xri x%x stat x%x result x%x\n",
- ctxp->oxid, status, result);
-
- lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
- "6038 NVMET LS rsp cmpl: %d %d oxid x%x\n",
- status, result, ctxp->oxid);
-
- lpfc_nlp_put(cmdwqe->context1);
- cmdwqe->context2 = NULL;
- cmdwqe->context3 = NULL;
- lpfc_sli_release_iocbq(phba, cmdwqe);
- rsp->done(rsp);
- kfree(ctxp);
+finish:
+ __lpfc_nvme_xmt_ls_rsp_cmp(phba, cmdwqe, wcqe);
}
/**
@@ -369,7 +385,7 @@ void
lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
- struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context;
+ struct lpfc_async_xchg_ctx *ctxp = ctx_buf->context;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct rqb_dmabuf *nvmebuf;
@@ -378,7 +394,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
int cpu;
unsigned long iflag;
- if (ctxp->state == LPFC_NVMET_STE_FREE) {
+ if (ctxp->state == LPFC_NVME_STE_FREE) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6411 NVMET free, already free IO x%x: %d %d\n",
ctxp->oxid, ctxp->state, ctxp->entry_cnt);
@@ -390,8 +406,8 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
/* check if freed in another path whilst acquiring lock */
if (nvmebuf) {
ctxp->rqb_buffer = NULL;
- if (ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) {
- ctxp->flag &= ~LPFC_NVMET_CTX_REUSE_WQ;
+ if (ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) {
+ ctxp->flag &= ~LPFC_NVME_CTX_REUSE_WQ;
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
nvmebuf->hrq->rqbp->rqb_free_buffer(phba,
nvmebuf);
@@ -404,7 +420,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
}
}
- ctxp->state = LPFC_NVMET_STE_FREE;
+ ctxp->state = LPFC_NVME_STE_FREE;
spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag);
if (phba->sli4_hba.nvmet_io_wait_cnt) {
@@ -421,14 +437,14 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
size = nvmebuf->bytes_recv;
sid = sli4_sid_from_fc_hdr(fc_hdr);
- ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
+ ctxp = (struct lpfc_async_xchg_ctx *)ctx_buf->context;
ctxp->wqeq = NULL;
ctxp->offset = 0;
ctxp->phba = phba;
ctxp->size = size;
ctxp->oxid = oxid;
ctxp->sid = sid;
- ctxp->state = LPFC_NVMET_STE_RCV;
+ ctxp->state = LPFC_NVME_STE_RCV;
ctxp->entry_cnt = 1;
ctxp->flag = 0;
ctxp->ctxbuf = ctx_buf;
@@ -453,7 +469,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
/* Indicate that a replacement buffer has been posted */
spin_lock_irqsave(&ctxp->ctxlock, iflag);
- ctxp->flag |= LPFC_NVMET_CTX_REUSE_WQ;
+ ctxp->flag |= LPFC_NVME_CTX_REUSE_WQ;
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
if (!queue_work(phba->wq, &ctx_buf->defer_work)) {
@@ -495,7 +511,7 @@ lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf)
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
static void
lpfc_nvmet_ktime(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
uint64_t seg1, seg2, seg3, seg4, seg5;
uint64_t seg6, seg7, seg8, seg9, seg10;
@@ -704,16 +720,16 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
{
struct lpfc_nvmet_tgtport *tgtp;
struct nvmefc_tgt_fcp_req *rsp;
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
uint32_t status, result, op, start_clean, logerr;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
int id;
#endif
ctxp = cmdwqe->context2;
- ctxp->flag &= ~LPFC_NVMET_IO_INP;
+ ctxp->flag &= ~LPFC_NVME_IO_INP;
- rsp = &ctxp->ctx.fcp_req;
+ rsp = &ctxp->hdlrctx.fcp_req;
op = rsp->op;
status = bf_get(lpfc_wcqe_c_status, wcqe);
@@ -740,13 +756,13 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
/* pick up SLI4 exhange busy condition */
if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
- ctxp->flag |= LPFC_NVMET_XBUSY;
+ ctxp->flag |= LPFC_NVME_XBUSY;
logerr |= LOG_NVME_ABTS;
if (tgtp)
atomic_inc(&tgtp->xmt_fcp_rsp_xb_set);
} else {
- ctxp->flag &= ~LPFC_NVMET_XBUSY;
+ ctxp->flag &= ~LPFC_NVME_XBUSY;
}
lpfc_printf_log(phba, KERN_INFO, logerr,
@@ -768,7 +784,7 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
if ((op == NVMET_FCOP_READDATA_RSP) ||
(op == NVMET_FCOP_RSP)) {
/* Sanity check */
- ctxp->state = LPFC_NVMET_STE_DONE;
+ ctxp->state = LPFC_NVME_STE_DONE;
ctxp->entry_cnt++;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -826,17 +842,32 @@ lpfc_nvmet_xmt_fcp_op_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
#endif
}
-static int
-lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
- struct nvmefc_tgt_ls_req *rsp)
+/**
+ * __lpfc_nvme_xmt_ls_rsp - Generic service routine to issue transmit
+ * an NVME LS rsp for a prior NVME LS request that was received.
+ * @axchg: pointer to exchange context for the NVME LS request the response
+ * is for.
+ * @ls_rsp: pointer to the transport LS RSP that is to be sent
+ * @xmt_ls_rsp_cmp: completion routine to call upon RSP transmit done
+ *
+ * This routine is used to format and send a WQE to transmit a NVME LS
+ * Response. The response is for a prior NVME LS request that was
+ * received and posted to the transport.
+ *
+ * Returns:
+ * 0 : if response successfully transmit
+ * non-zero : if response failed to transmit, of the form -Exxx.
+ **/
+int
+__lpfc_nvme_xmt_ls_rsp(struct lpfc_async_xchg_ctx *axchg,
+ struct nvmefc_ls_rsp *ls_rsp,
+ void (*xmt_ls_rsp_cmp)(struct lpfc_hba *phba,
+ struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe))
{
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.ls_req);
- struct lpfc_hba *phba = ctxp->phba;
- struct hbq_dmabuf *nvmebuf =
- (struct hbq_dmabuf *)ctxp->rqb_buffer;
+ struct lpfc_hba *phba = axchg->phba;
+ struct hbq_dmabuf *nvmebuf = (struct hbq_dmabuf *)axchg->rqb_buffer;
struct lpfc_iocbq *nvmewqeq;
- struct lpfc_nvmet_tgtport *nvmep = tgtport->private;
struct lpfc_dmabuf dmabuf;
struct ulp_bde64 bpl;
int rc;
@@ -844,34 +875,28 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
if (phba->pport->load_flag & FC_UNLOADING)
return -ENODEV;
- if (phba->pport->load_flag & FC_UNLOADING)
- return -ENODEV;
-
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
- "6023 NVMET LS rsp oxid x%x\n", ctxp->oxid);
+ "6023 NVMEx LS rsp oxid x%x\n", axchg->oxid);
- if ((ctxp->state != LPFC_NVMET_STE_LS_RCV) ||
- (ctxp->entry_cnt != 1)) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6412 NVMET LS rsp state mismatch "
+ if (axchg->state != LPFC_NVME_STE_LS_RCV || axchg->entry_cnt != 1) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6412 NVMEx LS rsp state mismatch "
"oxid x%x: %d %d\n",
- ctxp->oxid, ctxp->state, ctxp->entry_cnt);
+ axchg->oxid, axchg->state, axchg->entry_cnt);
+ return -EALREADY;
}
- ctxp->state = LPFC_NVMET_STE_LS_RSP;
- ctxp->entry_cnt++;
+ axchg->state = LPFC_NVME_STE_LS_RSP;
+ axchg->entry_cnt++;
- nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, ctxp, rsp->rspdma,
- rsp->rsplen);
+ nvmewqeq = lpfc_nvmet_prep_ls_wqe(phba, axchg, ls_rsp->rspdma,
+ ls_rsp->rsplen);
if (nvmewqeq == NULL) {
- atomic_inc(&nvmep->xmt_ls_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6150 LS Drop IO x%x: Prep\n",
- ctxp->oxid);
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- atomic_inc(&nvmep->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp,
- ctxp->sid, ctxp->oxid);
- return -ENOMEM;
+ lpfc_printf_log(phba, KERN_ERR,
+ LOG_NVME_DISC | LOG_NVME_IOERR | LOG_NVME_ABTS,
+ "6150 NVMEx LS Drop Rsp x%x: Prep\n",
+ axchg->oxid);
+ rc = -ENOMEM;
+ goto out_free_buf;
}
/* Save numBdes for bpl2sgl */
@@ -881,39 +906,106 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
dmabuf.virt = &bpl;
bpl.addrLow = nvmewqeq->wqe.xmit_sequence.bde.addrLow;
bpl.addrHigh = nvmewqeq->wqe.xmit_sequence.bde.addrHigh;
- bpl.tus.f.bdeSize = rsp->rsplen;
+ bpl.tus.f.bdeSize = ls_rsp->rsplen;
bpl.tus.f.bdeFlags = 0;
bpl.tus.w = le32_to_cpu(bpl.tus.w);
+ /*
+ * Note: although we're using stack space for the dmabuf, the
+ * call to lpfc_sli4_issue_wqe is synchronous, so it will not
+ * be referenced after it returns back to this routine.
+ */
- nvmewqeq->wqe_cmpl = lpfc_nvmet_xmt_ls_rsp_cmp;
+ nvmewqeq->wqe_cmpl = xmt_ls_rsp_cmp;
nvmewqeq->iocb_cmpl = NULL;
- nvmewqeq->context2 = ctxp;
+ nvmewqeq->context2 = axchg;
- lpfc_nvmeio_data(phba, "NVMET LS RESP: xri x%x wqidx x%x len x%x\n",
- ctxp->oxid, nvmewqeq->hba_wqidx, rsp->rsplen);
+ lpfc_nvmeio_data(phba, "NVMEx LS RSP: xri x%x wqidx x%x len x%x\n",
+ axchg->oxid, nvmewqeq->hba_wqidx, ls_rsp->rsplen);
+
+ rc = lpfc_sli4_issue_wqe(phba, axchg->hdwq, nvmewqeq);
+
+ /* clear to be sure there's no reference */
+ nvmewqeq->context3 = NULL;
- rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq);
if (rc == WQE_SUCCESS) {
/*
* Okay to repost buffer here, but wait till cmpl
* before freeing ctxp and iocbq.
*/
lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- atomic_inc(&nvmep->xmt_ls_rsp);
return 0;
}
- /* Give back resources */
- atomic_inc(&nvmep->xmt_ls_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6151 LS Drop IO x%x: Issue %d\n",
- ctxp->oxid, rc);
+
+ lpfc_printf_log(phba, KERN_ERR,
+ LOG_NVME_DISC | LOG_NVME_IOERR | LOG_NVME_ABTS,
+ "6151 NVMEx LS RSP x%x: failed to transmit %d\n",
+ axchg->oxid, rc);
+
+ rc = -ENXIO;
lpfc_nlp_put(nvmewqeq->context1);
+out_free_buf:
+ /* Give back resources */
lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- atomic_inc(&nvmep->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid);
- return -ENXIO;
+
+ /*
+ * As transport doesn't track completions of responses, if the rsp
+ * fails to send, the transport will effectively ignore the rsp
+ * and consider the LS done. However, the driver has an active
+ * exchange open for the LS - so be sure to abort the exchange
+ * if the response isn't sent.
+ */
+ lpfc_nvme_unsol_ls_issue_abort(phba, axchg, axchg->sid, axchg->oxid);
+ return rc;
+}
+
+/**
+ * lpfc_nvmet_xmt_ls_rsp - Transmit NVME LS response
+ * @tgtport: pointer to target port that NVME LS is to be transmit from.
+ * @ls_rsp: pointer to the transport LS RSP that is to be sent
+ *
+ * Driver registers this routine to transmit responses for received NVME
+ * LS requests.
+ *
+ * This routine is used to format and send a WQE to transmit a NVME LS
+ * Response. The ls_rsp is used to reverse-map the LS to the original
+ * NVME LS request sequence, which provides addressing information for
+ * the remote port the LS to be sent to, as well as the exchange id
+ * that is the LS is bound to.
+ *
+ * Returns:
+ * 0 : if response successfully transmit
+ * non-zero : if response failed to transmit, of the form -Exxx.
+ **/
+static int
+lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport,
+ struct nvmefc_ls_rsp *ls_rsp)
+{
+ struct lpfc_async_xchg_ctx *axchg =
+ container_of(ls_rsp, struct lpfc_async_xchg_ctx, ls_rsp);
+ struct lpfc_nvmet_tgtport *nvmep = tgtport->private;
+ int rc;
+
+ if (axchg->phba->pport->load_flag & FC_UNLOADING)
+ return -ENODEV;
+
+ rc = __lpfc_nvme_xmt_ls_rsp(axchg, ls_rsp, lpfc_nvmet_xmt_ls_rsp_cmp);
+
+ if (rc) {
+ atomic_inc(&nvmep->xmt_ls_drop);
+ /*
+ * unless the failure is due to having already sent
+ * the response, an abort will be generated for the
+ * exchange if the rsp can't be sent.
+ */
+ if (rc != -EALREADY)
+ atomic_inc(&nvmep->xmt_ls_abort);
+ return rc;
+ }
+
+ atomic_inc(&nvmep->xmt_ls_rsp);
+ return 0;
}
static int
@@ -921,8 +1013,8 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
struct lpfc_queue *wq;
struct lpfc_iocbq *nvmewqeq;
@@ -968,8 +1060,8 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
#endif
/* Sanity check */
- if ((ctxp->flag & LPFC_NVMET_ABTS_RCV) ||
- (ctxp->state == LPFC_NVMET_STE_ABORT)) {
+ if ((ctxp->flag & LPFC_NVME_ABTS_RCV) ||
+ (ctxp->state == LPFC_NVME_STE_ABORT)) {
atomic_inc(&lpfc_nvmep->xmt_fcp_drop);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6102 IO oxid x%x aborted\n",
@@ -997,7 +1089,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n",
ctxp->oxid, rsp->op, rsp->rsplen);
- ctxp->flag |= LPFC_NVMET_IO_INP;
+ ctxp->flag |= LPFC_NVME_IO_INP;
rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq);
if (rc == WQE_SUCCESS) {
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
@@ -1016,7 +1108,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport,
* WQ was full, so queue nvmewqeq to be sent after
* WQE release CQE
*/
- ctxp->flag |= LPFC_NVMET_DEFER_WQFULL;
+ ctxp->flag |= LPFC_NVME_DEFER_WQFULL;
wq = ctxp->hdwq->io_wq;
pring = wq->pring;
spin_lock_irqsave(&pring->ring_lock, iflags);
@@ -1056,8 +1148,8 @@ lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *req)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(req, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(req, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
struct lpfc_queue *wq;
unsigned long flags;
@@ -1085,13 +1177,13 @@ lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport,
/* Since iaab/iaar are NOT set, we need to check
* if the firmware is in process of aborting IO
*/
- if (ctxp->flag & (LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP)) {
+ if (ctxp->flag & (LPFC_NVME_XBUSY | LPFC_NVME_ABORT_OP)) {
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return;
}
- ctxp->flag |= LPFC_NVMET_ABORT_OP;
+ ctxp->flag |= LPFC_NVME_ABORT_OP;
- if (ctxp->flag & LPFC_NVMET_DEFER_WQFULL) {
+ if (ctxp->flag & LPFC_NVME_DEFER_WQFULL) {
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid,
ctxp->oxid);
@@ -1101,11 +1193,11 @@ lpfc_nvmet_xmt_fcp_abort(struct nvmet_fc_target_port *tgtport,
}
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
- /* An state of LPFC_NVMET_STE_RCV means we have just received
+ /* A state of LPFC_NVME_STE_RCV means we have just received
* the NVME command and have not started processing it.
* (by issuing any IO WQEs on this exchange yet)
*/
- if (ctxp->state == LPFC_NVMET_STE_RCV)
+ if (ctxp->state == LPFC_NVME_STE_RCV)
lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, ctxp->sid,
ctxp->oxid);
else
@@ -1118,26 +1210,26 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct lpfc_hba *phba = ctxp->phba;
unsigned long flags;
bool aborting = false;
spin_lock_irqsave(&ctxp->ctxlock, flags);
- if (ctxp->flag & LPFC_NVMET_XBUSY)
+ if (ctxp->flag & LPFC_NVME_XBUSY)
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_IOERR,
"6027 NVMET release with XBUSY flag x%x"
" oxid x%x\n",
ctxp->flag, ctxp->oxid);
- else if (ctxp->state != LPFC_NVMET_STE_DONE &&
- ctxp->state != LPFC_NVMET_STE_ABORT)
+ else if (ctxp->state != LPFC_NVME_STE_DONE &&
+ ctxp->state != LPFC_NVME_STE_ABORT)
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6413 NVMET release bad state %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
- if ((ctxp->flag & LPFC_NVMET_ABORT_OP) ||
- (ctxp->flag & LPFC_NVMET_XBUSY)) {
+ if ((ctxp->flag & LPFC_NVME_ABORT_OP) ||
+ (ctxp->flag & LPFC_NVME_XBUSY)) {
aborting = true;
/* let the abort path do the real release */
lpfc_nvmet_defer_release(phba, ctxp);
@@ -1148,7 +1240,7 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport,
ctxp->state, aborting);
atomic_inc(&lpfc_nvmep->xmt_fcp_release);
- ctxp->flag &= ~LPFC_NVMET_TNOTIFY;
+ ctxp->flag &= ~LPFC_NVME_TNOTIFY;
if (aborting)
return;
@@ -1161,8 +1253,8 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *rsp)
{
struct lpfc_nvmet_tgtport *tgtp;
- struct lpfc_nvmet_rcv_ctx *ctxp =
- container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req);
+ struct lpfc_async_xchg_ctx *ctxp =
+ container_of(rsp, struct lpfc_async_xchg_ctx, hdlrctx.fcp_req);
struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
struct lpfc_hba *phba = ctxp->phba;
unsigned long iflag;
@@ -1190,6 +1282,116 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
}
+/**
+ * lpfc_nvmet_ls_req_cmp - completion handler for a nvme ls request
+ * @phba: Pointer to HBA context object
+ * @cmdwqe: Pointer to driver command WQE object.
+ * @wcqe: Pointer to driver response CQE object.
+ *
+ * This function is the completion handler for NVME LS requests.
+ * The function updates any states and statistics, then calls the
+ * generic completion handler to finish completion of the request.
+ **/
+static void
+lpfc_nvmet_ls_req_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
+ struct lpfc_wcqe_complete *wcqe)
+{
+ __lpfc_nvme_ls_req_cmp(phba, cmdwqe->vport, cmdwqe, wcqe);
+}
+
+/**
+ * lpfc_nvmet_ls_req - Issue an Link Service request
+ * @targetport - pointer to target instance registered with nvmet transport.
+ * @hosthandle - hosthandle set by the driver in a prior ls_rqst_rcv.
+ * Driver sets this value to the ndlp pointer.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for the LS
+ *
+ * Driver registers this routine to handle any link service request
+ * from the nvme_fc transport to a remote nvme-aware port.
+ *
+ * Return value :
+ * 0 - Success
+ * non-zero: various error codes, in form of -Exxx
+ **/
+static int
+lpfc_nvmet_ls_req(struct nvmet_fc_target_port *targetport,
+ void *hosthandle,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_nvmet_tgtport *lpfc_nvmet = targetport->private;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ int ret;
+ u32 hstate;
+
+ if (!lpfc_nvmet)
+ return -EINVAL;
+
+ phba = lpfc_nvmet->phba;
+ if (phba->pport->load_flag & FC_UNLOADING)
+ return -EINVAL;
+
+ hstate = atomic_read(&lpfc_nvmet->state);
+ if (hstate == LPFC_NVMET_INV_HOST_ACTIVE)
+ return -EACCES;
+
+ ndlp = (struct lpfc_nodelist *)hosthandle;
+
+ ret = __lpfc_nvme_ls_req(phba->pport, ndlp, pnvme_lsreq,
+ lpfc_nvmet_ls_req_cmp);
+
+ return ret;
+}
+
+/**
+ * lpfc_nvmet_ls_abort - Abort a prior NVME LS request
+ * @targetport: Transport targetport, that LS was issued from.
+ * @hosthandle - hosthandle set by the driver in a prior ls_rqst_rcv.
+ * Driver sets this value to the ndlp pointer.
+ * @pnvme_lsreq - the transport nvme_ls_req structure for LS to be aborted
+ *
+ * Driver registers this routine to abort an NVME LS request that is
+ * in progress (from the transports perspective).
+ **/
+static void
+lpfc_nvmet_ls_abort(struct nvmet_fc_target_port *targetport,
+ void *hosthandle,
+ struct nvmefc_ls_req *pnvme_lsreq)
+{
+ struct lpfc_nvmet_tgtport *lpfc_nvmet = targetport->private;
+ struct lpfc_hba *phba;
+ struct lpfc_nodelist *ndlp;
+ int ret;
+
+ phba = lpfc_nvmet->phba;
+ if (phba->pport->load_flag & FC_UNLOADING)
+ return;
+
+ ndlp = (struct lpfc_nodelist *)hosthandle;
+
+ ret = __lpfc_nvme_ls_abort(phba->pport, ndlp, pnvme_lsreq);
+ if (!ret)
+ atomic_inc(&lpfc_nvmet->xmt_ls_abort);
+}
+
+static void
+lpfc_nvmet_host_release(void *hosthandle)
+{
+ struct lpfc_nodelist *ndlp = hosthandle;
+ struct lpfc_hba *phba = NULL;
+ struct lpfc_nvmet_tgtport *tgtp;
+
+ phba = ndlp->phba;
+ if (!phba->targetport || !phba->targetport->private)
+ return;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ "6202 NVMET XPT releasing hosthandle x%px\n",
+ hosthandle);
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_set(&tgtp->state, 0);
+}
+
static void
lpfc_nvmet_discovery_event(struct nvmet_fc_target_port *tgtport)
{
@@ -1214,6 +1416,9 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = {
.fcp_req_release = lpfc_nvmet_xmt_fcp_release,
.defer_rcv = lpfc_nvmet_defer_rcv,
.discovery_event = lpfc_nvmet_discovery_event,
+ .ls_req = lpfc_nvmet_ls_req,
+ .ls_abort = lpfc_nvmet_ls_abort,
+ .host_release = lpfc_nvmet_host_release,
.max_hw_queues = 1,
.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,
@@ -1224,6 +1429,7 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = {
.target_features = 0,
/* sizes of additional private data for data structures */
.target_priv_sz = sizeof(struct lpfc_nvmet_tgtport),
+ .lsrqst_priv_sz = 0,
};
static void
@@ -1368,7 +1574,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
return -ENOMEM;
}
ctx_buf->context->ctxbuf = ctx_buf;
- ctx_buf->context->state = LPFC_NVMET_STE_FREE;
+ ctx_buf->context->state = LPFC_NVME_STE_FREE;
ctx_buf->iocbq = lpfc_sli_get_iocbq(phba);
if (!ctx_buf->iocbq) {
@@ -1568,7 +1774,7 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri);
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
+ struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct nvmefc_tgt_fcp_req *req = NULL;
struct lpfc_nodelist *ndlp;
@@ -1599,12 +1805,12 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- if (ctxp->flag & LPFC_NVMET_CTX_RLS &&
- !(ctxp->flag & LPFC_NVMET_ABORT_OP)) {
+ if (ctxp->flag & LPFC_NVME_CTX_RLS &&
+ !(ctxp->flag & LPFC_NVME_ABORT_OP)) {
list_del_init(&ctxp->list);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_XBUSY;
+ ctxp->flag &= ~LPFC_NVME_XBUSY;
spin_unlock(&ctxp->ctxlock);
spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
@@ -1646,15 +1852,15 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
rxid);
spin_lock_irqsave(&ctxp->ctxlock, iflag);
- ctxp->flag |= LPFC_NVMET_ABTS_RCV;
- ctxp->state = LPFC_NVMET_STE_ABORT;
+ ctxp->flag |= LPFC_NVME_ABTS_RCV;
+ ctxp->state = LPFC_NVME_STE_ABORT;
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
lpfc_nvmeio_data(phba,
"NVMET ABTS RCV: xri x%x CPU %02x rjt %d\n",
xri, raw_smp_processor_id(), 0);
- req = &ctxp->ctx.fcp_req;
+ req = &ctxp->hdlrctx.fcp_req;
if (req)
nvmet_fc_rcv_fcp_abort(phba->targetport, req);
}
@@ -1667,7 +1873,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_hba *phba = vport->phba;
- struct lpfc_nvmet_rcv_ctx *ctxp, *next_ctxp;
+ struct lpfc_async_xchg_ctx *ctxp, *next_ctxp;
struct nvmefc_tgt_fcp_req *rsp;
uint32_t sid;
uint16_t oxid, xri;
@@ -1690,7 +1896,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
spin_unlock_irqrestore(&phba->hbalock, iflag);
spin_lock_irqsave(&ctxp->ctxlock, iflag);
- ctxp->flag |= LPFC_NVMET_ABTS_RCV;
+ ctxp->flag |= LPFC_NVME_ABTS_RCV;
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
lpfc_nvmeio_data(phba,
@@ -1700,7 +1906,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
"6319 NVMET Rcv ABTS:acc xri x%x\n", xri);
- rsp = &ctxp->ctx.fcp_req;
+ rsp = &ctxp->hdlrctx.fcp_req;
nvmet_fc_rcv_fcp_abort(phba->targetport, rsp);
/* Respond with BA_ACC accordingly */
@@ -1759,7 +1965,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
xri = ctxp->ctxbuf->sglq->sli4_xritag;
spin_lock_irqsave(&ctxp->ctxlock, iflag);
- ctxp->flag |= (LPFC_NVMET_ABTS_RCV | LPFC_NVMET_ABORT_OP);
+ ctxp->flag |= (LPFC_NVME_ABTS_RCV | LPFC_NVME_ABORT_OP);
spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
lpfc_nvmeio_data(phba,
@@ -1771,10 +1977,10 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
"flag x%x state x%x\n",
ctxp->oxid, xri, ctxp->flag, ctxp->state);
- if (ctxp->flag & LPFC_NVMET_TNOTIFY) {
+ if (ctxp->flag & LPFC_NVME_TNOTIFY) {
/* Notify the transport */
nvmet_fc_rcv_fcp_abort(phba->targetport,
- &ctxp->ctx.fcp_req);
+ &ctxp->hdlrctx.fcp_req);
} else {
cancel_work_sync(&ctxp->ctxbuf->defer_work);
spin_lock_irqsave(&ctxp->ctxlock, iflag);
@@ -1802,7 +2008,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport,
static void
lpfc_nvmet_wqfull_flush(struct lpfc_hba *phba, struct lpfc_queue *wq,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
struct lpfc_sli_ring *pring;
struct lpfc_iocbq *nvmewqeq;
@@ -1853,7 +2059,7 @@ lpfc_nvmet_wqfull_process(struct lpfc_hba *phba,
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
struct lpfc_sli_ring *pring;
struct lpfc_iocbq *nvmewqeq;
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
unsigned long iflags;
int rc;
@@ -1867,7 +2073,7 @@ lpfc_nvmet_wqfull_process(struct lpfc_hba *phba,
list_remove_head(&wq->wqfull_list, nvmewqeq, struct lpfc_iocbq,
list);
spin_unlock_irqrestore(&pring->ring_lock, iflags);
- ctxp = (struct lpfc_nvmet_rcv_ctx *)nvmewqeq->context2;
+ ctxp = (struct lpfc_async_xchg_ctx *)nvmewqeq->context2;
rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, nvmewqeq);
spin_lock_irqsave(&pring->ring_lock, iflags);
if (rc == -EBUSY) {
@@ -1879,7 +2085,7 @@ lpfc_nvmet_wqfull_process(struct lpfc_hba *phba,
if (rc == WQE_SUCCESS) {
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
if (ctxp->ts_cmd_nvme) {
- if (ctxp->ctx.fcp_req.op == NVMET_FCOP_RSP)
+ if (ctxp->hdlrctx.fcp_req.op == NVMET_FCOP_RSP)
ctxp->ts_status_wqput = ktime_get_ns();
else
ctxp->ts_data_wqput = ktime_get_ns();
@@ -1926,114 +2132,61 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba)
}
/**
- * lpfc_nvmet_unsol_ls_buffer - Process an unsolicited event data buffer
+ * lpfc_nvmet_handle_lsreq - Process an NVME LS request
* @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
- * @nvmebuf: pointer to lpfc nvme command HBQ data structure.
+ * @axchg: pointer to exchange context for the NVME LS request
*
- * This routine is used for processing the WQE associated with a unsolicited
- * event. It first determines whether there is an existing ndlp that matches
- * the DID from the unsolicited WQE. If not, it will create a new one with
- * the DID from the unsolicited WQE. The ELS command from the unsolicited
- * WQE is then used to invoke the proper routine and to set up proper state
- * of the discovery state machine.
- **/
-static void
-lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
- struct hbq_dmabuf *nvmebuf)
+ * This routine is used for processing an asychronously received NVME LS
+ * request. Any remaining validation is done and the LS is then forwarded
+ * to the nvmet-fc transport via nvmet_fc_rcv_ls_req().
+ *
+ * The calling sequence should be: nvmet_fc_rcv_ls_req() -> (processing)
+ * -> lpfc_nvmet_xmt_ls_rsp/cmp -> req->done.
+ * lpfc_nvme_xmt_ls_rsp_cmp should free the allocated axchg.
+ *
+ * Returns 0 if LS was handled and delivered to the transport
+ * Returns 1 if LS failed to be handled and should be dropped
+ */
+int
+lpfc_nvmet_handle_lsreq(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *axchg)
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
- struct lpfc_nvmet_tgtport *tgtp;
- struct fc_frame_header *fc_hdr;
- struct lpfc_nvmet_rcv_ctx *ctxp;
- uint32_t *payload;
- uint32_t size, oxid, sid, rc;
-
-
- if (!nvmebuf || !phba->targetport) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6154 LS Drop IO\n");
- oxid = 0;
- size = 0;
- sid = 0;
- ctxp = NULL;
- goto dropit;
- }
-
- fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt);
- oxid = be16_to_cpu(fc_hdr->fh_ox_id);
-
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- payload = (uint32_t *)(nvmebuf->dbuf.virt);
- size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl);
- sid = sli4_sid_from_fc_hdr(fc_hdr);
+ struct lpfc_nvmet_tgtport *tgtp = phba->targetport->private;
+ uint32_t *payload = axchg->payload;
+ int rc;
- ctxp = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), GFP_ATOMIC);
- if (ctxp == NULL) {
- atomic_inc(&tgtp->rcv_ls_req_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6155 LS Drop IO x%x: Alloc\n",
- oxid);
-dropit:
- lpfc_nvmeio_data(phba, "NVMET LS DROP: "
- "xri x%x sz %d from %06x\n",
- oxid, size, sid);
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- return;
- }
- ctxp->phba = phba;
- ctxp->size = size;
- ctxp->oxid = oxid;
- ctxp->sid = sid;
- ctxp->wqeq = NULL;
- ctxp->state = LPFC_NVMET_STE_LS_RCV;
- ctxp->entry_cnt = 1;
- ctxp->rqb_buffer = (void *)nvmebuf;
- ctxp->hdwq = &phba->sli4_hba.hdwq[0];
+ atomic_inc(&tgtp->rcv_ls_req_in);
- lpfc_nvmeio_data(phba, "NVMET LS RCV: xri x%x sz %d from %06x\n",
- oxid, size, sid);
/*
- * The calling sequence should be:
- * nvmet_fc_rcv_ls_req -> lpfc_nvmet_xmt_ls_rsp/cmp ->_req->done
- * lpfc_nvmet_xmt_ls_rsp_cmp should free the allocated ctxp.
+ * Driver passes the ndlp as the hosthandle argument allowing
+ * the transport to generate LS requests for any associateions
+ * that are created.
*/
- atomic_inc(&tgtp->rcv_ls_req_in);
- rc = nvmet_fc_rcv_ls_req(phba->targetport, &ctxp->ctx.ls_req,
- payload, size);
+ rc = nvmet_fc_rcv_ls_req(phba->targetport, axchg->ndlp, &axchg->ls_rsp,
+ axchg->payload, axchg->size);
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_DISC,
"6037 NVMET Unsol rcv: sz %d rc %d: %08x %08x %08x "
- "%08x %08x %08x\n", size, rc,
+ "%08x %08x %08x\n", axchg->size, rc,
*payload, *(payload+1), *(payload+2),
*(payload+3), *(payload+4), *(payload+5));
- if (rc == 0) {
+ if (!rc) {
atomic_inc(&tgtp->rcv_ls_req_out);
- return;
+ return 0;
}
- lpfc_nvmeio_data(phba, "NVMET LS DROP: xri x%x sz %d from %06x\n",
- oxid, size, sid);
-
atomic_inc(&tgtp->rcv_ls_req_drop);
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "6156 LS Drop IO x%x: nvmet_fc_rcv_ls_req %d\n",
- ctxp->oxid, rc);
-
- /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
-
- atomic_inc(&tgtp->xmt_ls_abort);
- lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid);
#endif
+ return 1;
}
static void
lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
{
#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
- struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context;
+ struct lpfc_async_xchg_ctx *ctxp = ctx_buf->context;
struct lpfc_hba *phba = ctxp->phba;
struct rqb_dmabuf *nvmebuf = ctxp->rqb_buffer;
struct lpfc_nvmet_tgtport *tgtp;
@@ -2054,7 +2207,7 @@ lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
return;
}
- if (ctxp->flag & LPFC_NVMET_ABTS_RCV) {
+ if (ctxp->flag & LPFC_NVME_ABTS_RCV) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6324 IO oxid x%x aborted\n",
ctxp->oxid);
@@ -2063,7 +2216,7 @@ lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
payload = (uint32_t *)(nvmebuf->dbuf.virt);
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- ctxp->flag |= LPFC_NVMET_TNOTIFY;
+ ctxp->flag |= LPFC_NVME_TNOTIFY;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
if (ctxp->ts_isr_cmd)
ctxp->ts_cmd_nvme = ktime_get_ns();
@@ -2077,13 +2230,13 @@ lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
* A buffer has already been reposted for this IO, so just free
* the nvmebuf.
*/
- rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req,
+ rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->hdlrctx.fcp_req,
payload, ctxp->size);
/* Process FCP command */
if (rc == 0) {
atomic_inc(&tgtp->rcv_fcp_cmd_out);
spin_lock_irqsave(&ctxp->ctxlock, iflags);
- if ((ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) ||
+ if ((ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) ||
(nvmebuf != ctxp->rqb_buffer)) {
spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
return;
@@ -2102,7 +2255,7 @@ lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
atomic_inc(&tgtp->rcv_fcp_cmd_out);
atomic_inc(&tgtp->defer_fod);
spin_lock_irqsave(&ctxp->ctxlock, iflags);
- if (ctxp->flag & LPFC_NVMET_CTX_REUSE_WQ) {
+ if (ctxp->flag & LPFC_NVME_CTX_REUSE_WQ) {
spin_unlock_irqrestore(&ctxp->ctxlock, iflags);
return;
}
@@ -2117,7 +2270,7 @@ lpfc_nvmet_process_rcv_fcp_req(struct lpfc_nvmet_ctxbuf *ctx_buf)
phba->sli4_hba.nvmet_mrq_data[qno], 1, qno);
return;
}
- ctxp->flag &= ~LPFC_NVMET_TNOTIFY;
+ ctxp->flag &= ~LPFC_NVME_TNOTIFY;
atomic_inc(&tgtp->rcv_fcp_cmd_drop);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n",
@@ -2224,7 +2377,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
uint64_t isr_timestamp,
uint8_t cqflag)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
struct fc_frame_header *fc_hdr;
struct lpfc_nvmet_ctxbuf *ctx_buf;
@@ -2306,11 +2459,11 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
sid = sli4_sid_from_fc_hdr(fc_hdr);
- ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context;
+ ctxp = (struct lpfc_async_xchg_ctx *)ctx_buf->context;
spin_lock_irqsave(&phba->sli4_hba.t_active_list_lock, iflag);
list_add_tail(&ctxp->list, &phba->sli4_hba.t_active_ctx_list);
spin_unlock_irqrestore(&phba->sli4_hba.t_active_list_lock, iflag);
- if (ctxp->state != LPFC_NVMET_STE_FREE) {
+ if (ctxp->state != LPFC_NVME_STE_FREE) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6414 NVMET Context corrupt %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
@@ -2322,7 +2475,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
ctxp->oxid = oxid;
ctxp->sid = sid;
ctxp->idx = idx;
- ctxp->state = LPFC_NVMET_STE_RCV;
+ ctxp->state = LPFC_NVME_STE_RCV;
ctxp->entry_cnt = 1;
ctxp->flag = 0;
ctxp->ctxbuf = ctx_buf;
@@ -2369,40 +2522,6 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba,
}
/**
- * lpfc_nvmet_unsol_ls_event - Process an unsolicited event from an nvme nport
- * @phba: pointer to lpfc hba data structure.
- * @pring: pointer to a SLI ring.
- * @nvmebuf: pointer to received nvme data structure.
- *
- * This routine is used to process an unsolicited event received from a SLI
- * (Service Level Interface) ring. The actual processing of the data buffer
- * associated with the unsolicited event is done by invoking the routine
- * lpfc_nvmet_unsol_ls_buffer() after properly set up the buffer from the
- * SLI RQ on which the unsolicited event was received.
- **/
-void
-lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
- struct lpfc_iocbq *piocb)
-{
- struct lpfc_dmabuf *d_buf;
- struct hbq_dmabuf *nvmebuf;
-
- d_buf = piocb->context2;
- nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
-
- if (!nvmebuf) {
- lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
- "3015 LS Drop IO\n");
- return;
- }
- if (phba->nvmet_support == 0) {
- lpfc_in_buf_free(phba, &nvmebuf->dbuf);
- return;
- }
- lpfc_nvmet_unsol_ls_buffer(phba, pring, nvmebuf);
-}
-
-/**
* lpfc_nvmet_unsol_fcp_event - Process an unsolicited event from an nvme nport
* @phba: pointer to lpfc hba data structure.
* @idx: relative index of MRQ vector
@@ -2462,7 +2581,7 @@ lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,
**/
static struct lpfc_iocbq *
lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
dma_addr_t rspbuf, uint16_t rspsize)
{
struct lpfc_nodelist *ndlp;
@@ -2584,9 +2703,9 @@ nvme_wqe_free_wqeq_exit:
static struct lpfc_iocbq *
lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp)
+ struct lpfc_async_xchg_ctx *ctxp)
{
- struct nvmefc_tgt_fcp_req *rsp = &ctxp->ctx.fcp_req;
+ struct nvmefc_tgt_fcp_req *rsp = &ctxp->hdlrctx.fcp_req;
struct lpfc_nvmet_tgtport *tgtp;
struct sli4_sge *sgl;
struct lpfc_nodelist *ndlp;
@@ -2647,9 +2766,9 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
}
/* Sanity check */
- if (((ctxp->state == LPFC_NVMET_STE_RCV) &&
+ if (((ctxp->state == LPFC_NVME_STE_RCV) &&
(ctxp->entry_cnt == 1)) ||
- (ctxp->state == LPFC_NVMET_STE_DATA)) {
+ (ctxp->state == LPFC_NVME_STE_DATA)) {
wqe = &nvmewqe->wqe;
} else {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
@@ -2912,7 +3031,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba,
sgl++;
ctxp->offset += cnt;
}
- ctxp->state = LPFC_NVMET_STE_DATA;
+ ctxp->state = LPFC_NVME_STE_DATA;
ctxp->entry_cnt++;
return nvmewqe;
}
@@ -2931,7 +3050,7 @@ static void
lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
uint32_t result;
unsigned long flags;
@@ -2941,23 +3060,23 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
result = wcqe->parameter;
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- if (ctxp->flag & LPFC_NVMET_ABORT_OP)
+ if (ctxp->flag & LPFC_NVME_ABORT_OP)
atomic_inc(&tgtp->xmt_fcp_abort_cmpl);
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->state = LPFC_NVMET_STE_DONE;
+ ctxp->state = LPFC_NVME_STE_DONE;
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- if ((ctxp->flag & LPFC_NVMET_CTX_RLS) &&
- !(ctxp->flag & LPFC_NVMET_XBUSY)) {
+ if ((ctxp->flag & LPFC_NVME_CTX_RLS) &&
+ !(ctxp->flag & LPFC_NVME_XBUSY)) {
spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_del_init(&ctxp->list);
spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp);
@@ -2981,7 +3100,7 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
lpfc_sli_release_iocbq(phba, cmdwqe);
/* Since iaab/iaar are NOT set, there is no work left.
- * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted
+ * For LPFC_NVME_XBUSY, lpfc_sli4_nvmet_xri_aborted
* should have been called already.
*/
}
@@ -3000,7 +3119,7 @@ static void
lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
unsigned long flags;
uint32_t result;
@@ -3020,11 +3139,11 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
spin_lock_irqsave(&ctxp->ctxlock, flags);
- if (ctxp->flag & LPFC_NVMET_ABORT_OP)
+ if (ctxp->flag & LPFC_NVME_ABORT_OP)
atomic_inc(&tgtp->xmt_fcp_abort_cmpl);
/* Sanity check */
- if (ctxp->state != LPFC_NVMET_STE_ABORT) {
+ if (ctxp->state != LPFC_NVME_STE_ABORT) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
"6112 ABTS Wrong state:%d oxid x%x\n",
ctxp->state, ctxp->oxid);
@@ -3033,15 +3152,15 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
/* Check if we already received a free context call
* and we have completed processing an abort situation.
*/
- ctxp->state = LPFC_NVMET_STE_DONE;
- if ((ctxp->flag & LPFC_NVMET_CTX_RLS) &&
- !(ctxp->flag & LPFC_NVMET_XBUSY)) {
+ ctxp->state = LPFC_NVME_STE_DONE;
+ if ((ctxp->flag & LPFC_NVME_CTX_RLS) &&
+ !(ctxp->flag & LPFC_NVME_XBUSY)) {
spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_del_init(&ctxp->list);
spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
released = true;
}
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp);
@@ -3062,7 +3181,7 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf);
/* Since iaab/iaar are NOT set, there is no work left.
- * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted
+ * For LPFC_NVME_XBUSY, lpfc_sli4_nvmet_xri_aborted
* should have been called already.
*/
}
@@ -3081,15 +3200,17 @@ static void
lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
struct lpfc_wcqe_complete *wcqe)
{
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_nvmet_tgtport *tgtp;
uint32_t result;
ctxp = cmdwqe->context2;
result = wcqe->parameter;
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
- atomic_inc(&tgtp->xmt_ls_abort_cmpl);
+ if (phba->nvmet_support) {
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_inc(&tgtp->xmt_ls_abort_cmpl);
+ }
lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS,
"6083 Abort cmpl: ctx x%px WCQE:%08x %08x %08x %08x\n",
@@ -3107,7 +3228,7 @@ lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
return;
}
- if (ctxp->state != LPFC_NVMET_STE_LS_ABORT) {
+ if (ctxp->state != LPFC_NVME_STE_LS_ABORT) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6416 NVMET LS abort cmpl state mismatch: "
"oxid x%x: %d %d\n",
@@ -3122,10 +3243,10 @@ lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe,
static int
lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
- struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_tgtport *tgtp = NULL;
struct lpfc_iocbq *abts_wqeq;
union lpfc_wqe128 *wqe_abts;
struct lpfc_nodelist *ndlp;
@@ -3134,13 +3255,15 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba,
"6067 ABTS: sid %x xri x%x/x%x\n",
sid, xri, ctxp->wqeq->sli4_xritag);
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ if (phba->nvmet_support && phba->targetport)
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
ndlp = lpfc_findnode_did(phba->pport, sid);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
(ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
- atomic_inc(&tgtp->xmt_abort_rsp_error);
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_rsp_error);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
"6134 Drop ABTS - wrong NDLP state x%x.\n",
(ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE);
@@ -3217,7 +3340,7 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba,
static int
lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
struct lpfc_nvmet_tgtport *tgtp;
@@ -3244,7 +3367,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
/* No failure to an ABTS request. */
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
@@ -3258,13 +3381,13 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
"6161 ABORT failed: No wqeqs: "
"xri: x%x\n", ctxp->oxid);
/* No failure to an ABTS request. */
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
abts_wqeq = ctxp->abort_wqeq;
- ctxp->state = LPFC_NVMET_STE_ABORT;
- opt = (ctxp->flag & LPFC_NVMET_ABTS_RCV) ? INHIBIT_ABORT : 0;
+ ctxp->state = LPFC_NVME_STE_ABORT;
+ opt = (ctxp->flag & LPFC_NVME_ABTS_RCV) ? INHIBIT_ABORT : 0;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
/* Announce entry to new IO submit field. */
@@ -3287,7 +3410,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
phba->hba_flag, ctxp->oxid);
lpfc_sli_release_iocbq(phba, abts_wqeq);
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
@@ -3302,7 +3425,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
ctxp->oxid);
lpfc_sli_release_iocbq(phba, abts_wqeq);
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
return 0;
}
@@ -3331,7 +3454,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
atomic_inc(&tgtp->xmt_abort_rsp_error);
spin_lock_irqsave(&ctxp->ctxlock, flags);
- ctxp->flag &= ~LPFC_NVMET_ABORT_OP;
+ ctxp->flag &= ~LPFC_NVME_ABORT_OP;
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
lpfc_sli_release_iocbq(phba, abts_wqeq);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
@@ -3343,7 +3466,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba,
static int
lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
struct lpfc_nvmet_tgtport *tgtp;
@@ -3358,14 +3481,14 @@ lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba,
ctxp->wqeq->hba_wqidx = 0;
}
- if (ctxp->state == LPFC_NVMET_STE_FREE) {
+ if (ctxp->state == LPFC_NVME_STE_FREE) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6417 NVMET ABORT ctx freed %d %d oxid x%x\n",
ctxp->state, ctxp->entry_cnt, ctxp->oxid);
rc = WQE_BUSY;
goto aerr;
}
- ctxp->state = LPFC_NVMET_STE_ABORT;
+ ctxp->state = LPFC_NVME_STE_ABORT;
ctxp->entry_cnt++;
rc = lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri);
if (rc == 0)
@@ -3387,13 +3510,13 @@ lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba,
aerr:
spin_lock_irqsave(&ctxp->ctxlock, flags);
- if (ctxp->flag & LPFC_NVMET_CTX_RLS) {
+ if (ctxp->flag & LPFC_NVME_CTX_RLS) {
spin_lock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
list_del_init(&ctxp->list);
spin_unlock(&phba->sli4_hba.abts_nvmet_buf_list_lock);
released = true;
}
- ctxp->flag &= ~(LPFC_NVMET_ABORT_OP | LPFC_NVMET_CTX_RLS);
+ ctxp->flag &= ~(LPFC_NVME_ABORT_OP | LPFC_NVME_CTX_RLS);
spin_unlock_irqrestore(&ctxp->ctxlock, flags);
atomic_inc(&tgtp->xmt_abort_rsp_error);
@@ -3406,29 +3529,39 @@ aerr:
return 1;
}
-static int
-lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
- struct lpfc_nvmet_rcv_ctx *ctxp,
+/**
+ * lpfc_nvme_unsol_ls_issue_abort - issue ABTS on an exchange received
+ * via async frame receive where the frame is not handled.
+ * @phba: pointer to adapter structure
+ * @ctxp: pointer to the asynchronously received received sequence
+ * @sid: address of the remote port to send the ABTS to
+ * @xri: oxid value to for the ABTS (other side's exchange id).
+ **/
+int
+lpfc_nvme_unsol_ls_issue_abort(struct lpfc_hba *phba,
+ struct lpfc_async_xchg_ctx *ctxp,
uint32_t sid, uint16_t xri)
{
- struct lpfc_nvmet_tgtport *tgtp;
+ struct lpfc_nvmet_tgtport *tgtp = NULL;
struct lpfc_iocbq *abts_wqeq;
unsigned long flags;
int rc;
- if ((ctxp->state == LPFC_NVMET_STE_LS_RCV && ctxp->entry_cnt == 1) ||
- (ctxp->state == LPFC_NVMET_STE_LS_RSP && ctxp->entry_cnt == 2)) {
- ctxp->state = LPFC_NVMET_STE_LS_ABORT;
+ if ((ctxp->state == LPFC_NVME_STE_LS_RCV && ctxp->entry_cnt == 1) ||
+ (ctxp->state == LPFC_NVME_STE_LS_RSP && ctxp->entry_cnt == 2)) {
+ ctxp->state = LPFC_NVME_STE_LS_ABORT;
ctxp->entry_cnt++;
} else {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6418 NVMET LS abort state mismatch "
"IO x%x: %d %d\n",
ctxp->oxid, ctxp->state, ctxp->entry_cnt);
- ctxp->state = LPFC_NVMET_STE_LS_ABORT;
+ ctxp->state = LPFC_NVME_STE_LS_ABORT;
}
- tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ if (phba->nvmet_support && phba->targetport)
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+
if (!ctxp->wqeq) {
/* Issue ABTS for this WQE based on iotag */
ctxp->wqeq = lpfc_sli_get_iocbq(phba);
@@ -3455,16 +3588,44 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba,
rc = lpfc_sli4_issue_wqe(phba, ctxp->hdwq, abts_wqeq);
spin_unlock_irqrestore(&phba->hbalock, flags);
if (rc == WQE_SUCCESS) {
- atomic_inc(&tgtp->xmt_abort_unsol);
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_unsol);
return 0;
}
out:
- atomic_inc(&tgtp->xmt_abort_rsp_error);
+ if (tgtp)
+ atomic_inc(&tgtp->xmt_abort_rsp_error);
abts_wqeq->context2 = NULL;
abts_wqeq->context3 = NULL;
lpfc_sli_release_iocbq(phba, abts_wqeq);
- kfree(ctxp);
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS,
"6056 Failed to Issue ABTS. Status x%x\n", rc);
- return 0;
+ return 1;
+}
+
+/**
+ * lpfc_nvmet_invalidate_host
+ *
+ * @phba - pointer to the driver instance bound to an adapter port.
+ * @ndlp - pointer to an lpfc_nodelist type
+ *
+ * This routine upcalls the nvmet transport to invalidate an NVME
+ * host to which this target instance had active connections.
+ */
+void
+lpfc_nvmet_invalidate_host(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+ struct lpfc_nvmet_tgtport *tgtp;
+
+ lpfc_printf_log(phba, KERN_INFO, LOG_NVME | LOG_NVME_ABTS,
+ "6203 Invalidating hosthandle x%px\n",
+ ndlp);
+
+ tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private;
+ atomic_set(&tgtp->state, LPFC_NVMET_INV_HOST_ACTIVE);
+
+#if (IS_ENABLED(CONFIG_NVME_TARGET_FC))
+ /* Need to get the nvmet_fc_target_port pointer here.*/
+ nvmet_fc_invalidate_host(phba->targetport, ndlp);
+#endif
}
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h
deleted file mode 100644
index b80b1639b9a7..000000000000
--- a/drivers/scsi/lpfc/lpfc_nvmet.h
+++ /dev/null
@@ -1,158 +0,0 @@
-/*******************************************************************
- * This file is part of the Emulex Linux Device Driver for *
- * Fibre Channel Host Bus Adapters. *
- * Copyright (C) 2017-2019 Broadcom. All Rights Reserved. The term *
- * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
- * Copyright (C) 2004-2016 Emulex. All rights reserved. *
- * EMULEX and SLI are trademarks of Emulex. *
- * www.broadcom.com *
- * Portions Copyright (C) 2004-2005 Christoph Hellwig *
- * *
- * This program is free software; you can redistribute it and/or *
- * modify it under the terms of version 2 of the GNU General *
- * Public License as published by the Free Software Foundation. *
- * This program is distributed in the hope that it will be useful. *
- * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
- * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
- * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
- * TO BE LEGALLY INVALID. See the GNU General Public License for *
- * more details, a copy of which can be found in the file COPYING *
- * included with this package. *
- ********************************************************************/
-
-#define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */
-#define LPFC_NVMET_RQE_MIN_POST 128
-#define LPFC_NVMET_RQE_DEF_POST 512
-#define LPFC_NVMET_RQE_DEF_COUNT 2048
-#define LPFC_NVMET_SUCCESS_LEN 12
-
-#define LPFC_NVMET_MRQ_AUTO 0
-#define LPFC_NVMET_MRQ_MAX 16
-
-#define LPFC_NVMET_WAIT_TMO (5 * MSEC_PER_SEC)
-
-/* Used for NVME Target */
-struct lpfc_nvmet_tgtport {
- struct lpfc_hba *phba;
- struct completion *tport_unreg_cmp;
-
- /* Stats counters - lpfc_nvmet_unsol_ls_buffer */
- atomic_t rcv_ls_req_in;
- atomic_t rcv_ls_req_out;
- atomic_t rcv_ls_req_drop;
- atomic_t xmt_ls_abort;
- atomic_t xmt_ls_abort_cmpl;
-
- /* Stats counters - lpfc_nvmet_xmt_ls_rsp */
- atomic_t xmt_ls_rsp;
- atomic_t xmt_ls_drop;
-
- /* Stats counters - lpfc_nvmet_xmt_ls_rsp_cmp */
- atomic_t xmt_ls_rsp_error;
- atomic_t xmt_ls_rsp_aborted;
- atomic_t xmt_ls_rsp_xb_set;
- atomic_t xmt_ls_rsp_cmpl;
-
- /* Stats counters - lpfc_nvmet_unsol_fcp_buffer */
- atomic_t rcv_fcp_cmd_in;
- atomic_t rcv_fcp_cmd_out;
- atomic_t rcv_fcp_cmd_drop;
- atomic_t rcv_fcp_cmd_defer;
- atomic_t xmt_fcp_release;
-
- /* Stats counters - lpfc_nvmet_xmt_fcp_op */
- atomic_t xmt_fcp_drop;
- atomic_t xmt_fcp_read_rsp;
- atomic_t xmt_fcp_read;
- atomic_t xmt_fcp_write;
- atomic_t xmt_fcp_rsp;
-
- /* Stats counters - lpfc_nvmet_xmt_fcp_op_cmp */
- atomic_t xmt_fcp_rsp_xb_set;
- atomic_t xmt_fcp_rsp_cmpl;
- atomic_t xmt_fcp_rsp_error;
- atomic_t xmt_fcp_rsp_aborted;
- atomic_t xmt_fcp_rsp_drop;
-
- /* Stats counters - lpfc_nvmet_xmt_fcp_abort */
- atomic_t xmt_fcp_xri_abort_cqe;
- atomic_t xmt_fcp_abort;
- atomic_t xmt_fcp_abort_cmpl;
- atomic_t xmt_abort_sol;
- atomic_t xmt_abort_unsol;
- atomic_t xmt_abort_rsp;
- atomic_t xmt_abort_rsp_error;
-
- /* Stats counters - defer IO */
- atomic_t defer_ctx;
- atomic_t defer_fod;
- atomic_t defer_wqfull;
-};
-
-struct lpfc_nvmet_ctx_info {
- struct list_head nvmet_ctx_list;
- spinlock_t nvmet_ctx_list_lock; /* lock per CPU */
- struct lpfc_nvmet_ctx_info *nvmet_ctx_next_cpu;
- struct lpfc_nvmet_ctx_info *nvmet_ctx_start_cpu;
- uint16_t nvmet_ctx_list_cnt;
- char pad[16]; /* pad to a cache-line */
-};
-
-/* This retrieves the context info associated with the specified cpu / mrq */
-#define lpfc_get_ctx_list(phba, cpu, mrq) \
- (phba->sli4_hba.nvmet_ctx_info + ((cpu * phba->cfg_nvmet_mrq) + mrq))
-
-struct lpfc_nvmet_rcv_ctx {
- union {
- struct nvmefc_tgt_ls_req ls_req;
- struct nvmefc_tgt_fcp_req fcp_req;
- } ctx;
- struct list_head list;
- struct lpfc_hba *phba;
- struct lpfc_iocbq *wqeq;
- struct lpfc_iocbq *abort_wqeq;
- spinlock_t ctxlock; /* protect flag access */
- uint32_t sid;
- uint32_t offset;
- uint16_t oxid;
- uint16_t size;
- uint16_t entry_cnt;
- uint16_t cpu;
- uint16_t idx;
- uint16_t state;
- /* States */
-#define LPFC_NVMET_STE_LS_RCV 1
-#define LPFC_NVMET_STE_LS_ABORT 2
-#define LPFC_NVMET_STE_LS_RSP 3
-#define LPFC_NVMET_STE_RCV 4
-#define LPFC_NVMET_STE_DATA 5
-#define LPFC_NVMET_STE_ABORT 6
-#define LPFC_NVMET_STE_DONE 7
-#define LPFC_NVMET_STE_FREE 0xff
- uint16_t flag;
-#define LPFC_NVMET_IO_INP 0x1 /* IO is in progress on exchange */
-#define LPFC_NVMET_ABORT_OP 0x2 /* Abort WQE issued on exchange */
-#define LPFC_NVMET_XBUSY 0x4 /* XB bit set on IO cmpl */
-#define LPFC_NVMET_CTX_RLS 0x8 /* ctx free requested */
-#define LPFC_NVMET_ABTS_RCV 0x10 /* ABTS received on exchange */
-#define LPFC_NVMET_CTX_REUSE_WQ 0x20 /* ctx reused via WQ */
-#define LPFC_NVMET_DEFER_WQFULL 0x40 /* Waiting on a free WQE */
-#define LPFC_NVMET_TNOTIFY 0x80 /* notify transport of abts */
- struct rqb_dmabuf *rqb_buffer;
- struct lpfc_nvmet_ctxbuf *ctxbuf;
- struct lpfc_sli4_hdw_queue *hdwq;
-
-#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
- uint64_t ts_isr_cmd;
- uint64_t ts_cmd_nvme;
- uint64_t ts_nvme_data;
- uint64_t ts_data_wqput;
- uint64_t ts_isr_data;
- uint64_t ts_data_nvme;
- uint64_t ts_nvme_status;
- uint64_t ts_status_wqput;
- uint64_t ts_isr_status;
- uint64_t ts_status_nvme;
-#endif
-};
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index b6fb665e6ec4..9e21c4f3b009 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -39,8 +39,6 @@
#include <asm/set_memory.h>
#endif
-#include <linux/nvme-fc-driver.h>
-
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@@ -50,7 +48,6 @@
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
-#include "lpfc_nvmet.h"
#include "lpfc_crtn.h"
#include "lpfc_logmsg.h"
#include "lpfc_compat.h"
@@ -2796,6 +2793,123 @@ lpfc_sli_get_buff(struct lpfc_hba *phba,
}
/**
+ * lpfc_nvme_unsol_ls_handler - Process an unsolicited event data buffer
+ * containing a NVME LS request.
+ * @phba: pointer to lpfc hba data structure.
+ * @piocb: pointer to the iocbq struct representing the sequence starting
+ * frame.
+ *
+ * This routine initially validates the NVME LS, validates there is a login
+ * with the port that sent the LS, and then calls the appropriate nvme host
+ * or target LS request handler.
+ **/
+static void
+lpfc_nvme_unsol_ls_handler(struct lpfc_hba *phba, struct lpfc_iocbq *piocb)
+{
+ struct lpfc_nodelist *ndlp;
+ struct lpfc_dmabuf *d_buf;
+ struct hbq_dmabuf *nvmebuf;
+ struct fc_frame_header *fc_hdr;
+ struct lpfc_async_xchg_ctx *axchg = NULL;
+ char *failwhy = NULL;
+ uint32_t oxid, sid, did, fctl, size;
+ int ret = 1;
+
+ d_buf = piocb->context2;
+
+ nvmebuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
+ fc_hdr = nvmebuf->hbuf.virt;
+ oxid = be16_to_cpu(fc_hdr->fh_ox_id);
+ sid = sli4_sid_from_fc_hdr(fc_hdr);
+ did = sli4_did_from_fc_hdr(fc_hdr);
+ fctl = (fc_hdr->fh_f_ctl[0] << 16 |
+ fc_hdr->fh_f_ctl[1] << 8 |
+ fc_hdr->fh_f_ctl[2]);
+ size = bf_get(lpfc_rcqe_length, &nvmebuf->cq_event.cqe.rcqe_cmpl);
+
+ lpfc_nvmeio_data(phba, "NVME LS RCV: xri x%x sz %d from %06x\n",
+ oxid, size, sid);
+
+ if (phba->pport->load_flag & FC_UNLOADING) {
+ failwhy = "Driver Unloading";
+ } else if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
+ failwhy = "NVME FC4 Disabled";
+ } else if (!phba->nvmet_support && !phba->pport->localport) {
+ failwhy = "No Localport";
+ } else if (phba->nvmet_support && !phba->targetport) {
+ failwhy = "No Targetport";
+ } else if (unlikely(fc_hdr->fh_r_ctl != FC_RCTL_ELS4_REQ)) {
+ failwhy = "Bad NVME LS R_CTL";
+ } else if (unlikely((fctl & 0x00FF0000) !=
+ (FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT))) {
+ failwhy = "Bad NVME LS F_CTL";
+ } else {
+ axchg = kzalloc(sizeof(*axchg), GFP_ATOMIC);
+ if (!axchg)
+ failwhy = "No CTX memory";
+ }
+
+ if (unlikely(failwhy)) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6154 Drop NVME LS: SID %06X OXID x%X: %s\n",
+ sid, oxid, failwhy);
+ goto out_fail;
+ }
+
+ /* validate the source of the LS is logged in */
+ ndlp = lpfc_findnode_did(phba->pport, sid);
+ if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) ||
+ ((ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) &&
+ (ndlp->nlp_state != NLP_STE_MAPPED_NODE))) {
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,
+ "6216 NVME Unsol rcv: No ndlp: "
+ "NPort_ID x%x oxid x%x\n",
+ sid, oxid);
+ goto out_fail;
+ }
+
+ axchg->phba = phba;
+ axchg->ndlp = ndlp;
+ axchg->size = size;
+ axchg->oxid = oxid;
+ axchg->sid = sid;
+ axchg->wqeq = NULL;
+ axchg->state = LPFC_NVME_STE_LS_RCV;
+ axchg->entry_cnt = 1;
+ axchg->rqb_buffer = (void *)nvmebuf;
+ axchg->hdwq = &phba->sli4_hba.hdwq[0];
+ axchg->payload = nvmebuf->dbuf.virt;
+ INIT_LIST_HEAD(&axchg->list);
+
+ if (phba->nvmet_support)
+ ret = lpfc_nvmet_handle_lsreq(phba, axchg);
+ else
+ ret = lpfc_nvme_handle_lsreq(phba, axchg);
+
+ /* if zero, LS was successfully handled. If non-zero, LS not handled */
+ if (!ret)
+ return;
+
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC | LOG_NVME_IOERR,
+ "6155 Drop NVME LS from DID %06X: SID %06X OXID x%X "
+ "NVMe%s handler failed %d\n",
+ did, sid, oxid,
+ (phba->nvmet_support) ? "T" : "I", ret);
+
+out_fail:
+
+ /* recycle receive buffer */
+ lpfc_in_buf_free(phba, &nvmebuf->dbuf);
+
+ /* If start of new exchange, abort it */
+ if (axchg && (fctl & FC_FC_FIRST_SEQ && !(fctl & FC_FC_EX_CTX)))
+ ret = lpfc_nvme_unsol_ls_issue_abort(phba, axchg, sid, oxid);
+
+ if (ret)
+ kfree(axchg);
+}
+
+/**
* lpfc_complete_unsol_iocb - Complete an unsolicited sequence
* @phba: Pointer to HBA context object.
* @pring: Pointer to driver SLI ring object.
@@ -2816,7 +2930,7 @@ lpfc_complete_unsol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
switch (fch_type) {
case FC_TYPE_NVME:
- lpfc_nvmet_unsol_ls_event(phba, pring, saveq);
+ lpfc_nvme_unsol_ls_handler(phba, saveq);
return 1;
default:
break;
@@ -13981,8 +14095,8 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
/* Just some basic sanity checks on FCP Command frame */
fctl = (fc_hdr->fh_f_ctl[0] << 16 |
- fc_hdr->fh_f_ctl[1] << 8 |
- fc_hdr->fh_f_ctl[2]);
+ fc_hdr->fh_f_ctl[1] << 8 |
+ fc_hdr->fh_f_ctl[2]);
if (((fctl &
(FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) !=
(FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT)) ||
@@ -19891,7 +20005,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, struct lpfc_sli4_hdw_queue *qp,
struct lpfc_iocbq *pwqe)
{
union lpfc_wqe128 *wqe = &pwqe->wqe;
- struct lpfc_nvmet_rcv_ctx *ctxp;
+ struct lpfc_async_xchg_ctx *ctxp;
struct lpfc_queue *wq;
struct lpfc_sglq *sglq;
struct lpfc_sli_ring *pring;
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 97cabd7e0014..2c9e5ac24692 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1850,9 +1850,6 @@ qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
return -EINVAL;
}
- ql_log(ql_log_info, vha, 0x70d6,
- "port speed:%d\n", ha->link_data_rate);
-
return scnprintf(buf, PAGE_SIZE, "%s\n", spd[ha->link_data_rate]);
}
@@ -3031,11 +3028,11 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
msleep(1000);
- qla_nvme_delete(vha);
qla24xx_disable_vp(vha);
qla2x00_wait_for_sess_deletion(vha);
+ qla_nvme_delete(vha);
vha->flags.delete_progress = 1;
qlt_remove_target(ha, vha);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 4ed90437e8c4..d6c991bd1bde 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -3153,7 +3153,7 @@ qla24xx_abort_command(srb_t *sp)
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c,
"Entered %s.\n", __func__);
- if (vha->flags.qpairs_available && sp->qpair)
+ if (sp->qpair)
req = sp->qpair->req;
else
return QLA_FUNCTION_FAILED;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d190db5ea7d9..1d9a4866f9a7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3732,6 +3732,13 @@ qla2x00_remove_one(struct pci_dev *pdev)
}
qla2x00_wait_for_hba_ready(base_vha);
+ /*
+ * if UNLOADING flag is already set, then continue unload,
+ * where it was set first.
+ */
+ if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
+ return;
+
if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
if (ha->flags.fw_started)
@@ -3750,15 +3757,6 @@ qla2x00_remove_one(struct pci_dev *pdev)
qla2x00_wait_for_sess_deletion(base_vha);
- /*
- * if UNLOAD flag is already set, then continue unload,
- * where it was set first.
- */
- if (test_bit(UNLOADING, &base_vha->dpc_flags))
- return;
-
- set_bit(UNLOADING, &base_vha->dpc_flags);
-
qla_nvme_delete(base_vha);
dma_free_coherent(&ha->pdev->dev,
@@ -4864,6 +4862,9 @@ qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
struct qla_work_evt *e;
uint8_t bail;
+ if (test_bit(UNLOADING, &vha->dpc_flags))
+ return NULL;
+
QLA_VHA_MARK_BUSY(vha, bail);
if (bail)
return NULL;
@@ -6628,13 +6629,6 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work)
struct pci_dev *pdev = ha->pdev;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
- /*
- * if UNLOAD flag is already set, then continue unload,
- * where it was set first.
- */
- if (test_bit(UNLOADING, &base_vha->dpc_flags))
- return;
-
ql_log(ql_log_warn, base_vha, 0x015b,
"Disabling adapter.\n");
@@ -6645,9 +6639,14 @@ qla2x00_disable_board_on_pci_error(struct work_struct *work)
return;
}
- qla2x00_wait_for_sess_deletion(base_vha);
+ /*
+ * if UNLOADING flag is already set, then continue unload,
+ * where it was set first.
+ */
+ if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
+ return;
- set_bit(UNLOADING, &base_vha->dpc_flags);
+ qla2x00_wait_for_sess_deletion(base_vha);
qla2x00_delete_all_vps(ha, base_vha);
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 8f3af87b6bb0..45d04b7b2643 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -211,18 +211,18 @@ static int scsi_ioctl_common(struct scsi_device *sdev, int cmd, void __user *arg
}
switch (cmd) {
- case SCSI_IOCTL_GET_IDLUN:
- if (!access_ok(arg, sizeof(struct scsi_idlun)))
+ case SCSI_IOCTL_GET_IDLUN: {
+ struct scsi_idlun v = {
+ .dev_id = (sdev->id & 0xff)
+ + ((sdev->lun & 0xff) << 8)
+ + ((sdev->channel & 0xff) << 16)
+ + ((sdev->host->host_no & 0xff) << 24),
+ .host_unique_id = sdev->host->unique_id
+ };
+ if (copy_to_user(arg, &v, sizeof(struct scsi_idlun)))
return -EFAULT;
-
- __put_user((sdev->id & 0xff)
- + ((sdev->lun & 0xff) << 8)
- + ((sdev->channel & 0xff) << 16)
- + ((sdev->host->host_no & 0xff) << 24),
- &((struct scsi_idlun __user *)arg)->dev_id);
- __put_user(sdev->host->unique_id,
- &((struct scsi_idlun __user *)arg)->host_unique_id);
return 0;
+ }
case SCSI_IOCTL_GET_BUS_NUMBER:
return put_user(sdev->host->host_no, (int __user *)arg);
case SCSI_IOCTL_PROBE_HOST:
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 47835c4b4ee0..df4905df5cd4 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -978,28 +978,12 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
scsi_io_completion_action(cmd, result);
}
-static blk_status_t scsi_init_sgtable(struct request *req,
- struct scsi_data_buffer *sdb)
+static inline bool scsi_cmd_needs_dma_drain(struct scsi_device *sdev,
+ struct request *rq)
{
- int count;
-
- /*
- * If sg table allocation fails, requeue request later.
- */
- if (unlikely(sg_alloc_table_chained(&sdb->table,
- blk_rq_nr_phys_segments(req), sdb->table.sgl,
- SCSI_INLINE_SG_CNT)))
- return BLK_STS_RESOURCE;
-
- /*
- * Next, walk the list, and fill in the addresses and sizes of
- * each segment.
- */
- count = blk_rq_map_sg(req->q, req, sdb->table.sgl);
- BUG_ON(count > sdb->table.nents);
- sdb->table.nents = count;
- sdb->length = blk_rq_payload_bytes(req);
- return BLK_STS_OK;
+ return sdev->dma_drain_len && blk_rq_is_passthrough(rq) &&
+ !op_is_write(req_op(rq)) &&
+ sdev->host->hostt->dma_need_drain(rq);
}
/*
@@ -1015,19 +999,62 @@ static blk_status_t scsi_init_sgtable(struct request *req,
*/
blk_status_t scsi_init_io(struct scsi_cmnd *cmd)
{
+ struct scsi_device *sdev = cmd->device;
struct request *rq = cmd->request;
+ unsigned short nr_segs = blk_rq_nr_phys_segments(rq);
+ struct scatterlist *last_sg = NULL;
blk_status_t ret;
+ bool need_drain = scsi_cmd_needs_dma_drain(sdev, rq);
+ int count;
- if (WARN_ON_ONCE(!blk_rq_nr_phys_segments(rq)))
+ if (WARN_ON_ONCE(!nr_segs))
return BLK_STS_IOERR;
- ret = scsi_init_sgtable(rq, &cmd->sdb);
- if (ret)
- return ret;
+ /*
+ * Make sure there is space for the drain. The driver must adjust
+ * max_hw_segments to be prepared for this.
+ */
+ if (need_drain)
+ nr_segs++;
+
+ /*
+ * If sg table allocation fails, requeue request later.
+ */
+ if (unlikely(sg_alloc_table_chained(&cmd->sdb.table, nr_segs,
+ cmd->sdb.table.sgl, SCSI_INLINE_SG_CNT)))
+ return BLK_STS_RESOURCE;
+
+ /*
+ * Next, walk the list, and fill in the addresses and sizes of
+ * each segment.
+ */
+ count = __blk_rq_map_sg(rq->q, rq, cmd->sdb.table.sgl, &last_sg);
+
+ if (blk_rq_bytes(rq) & rq->q->dma_pad_mask) {
+ unsigned int pad_len =
+ (rq->q->dma_pad_mask & ~blk_rq_bytes(rq)) + 1;
+
+ last_sg->length += pad_len;
+ cmd->extra_len += pad_len;
+ }
+
+ if (need_drain) {
+ sg_unmark_end(last_sg);
+ last_sg = sg_next(last_sg);
+ sg_set_buf(last_sg, sdev->dma_drain_buf, sdev->dma_drain_len);
+ sg_mark_end(last_sg);
+
+ cmd->extra_len += sdev->dma_drain_len;
+ count++;
+ }
+
+ BUG_ON(count > cmd->sdb.table.nents);
+ cmd->sdb.table.nents = count;
+ cmd->sdb.length = blk_rq_payload_bytes(rq);
if (blk_integrity_rq(rq)) {
struct scsi_data_buffer *prot_sdb = cmd->prot_sdb;
- int ivecs, count;
+ int ivecs;
if (WARN_ON_ONCE(!prot_sdb)) {
/*
@@ -1610,12 +1637,7 @@ static bool scsi_mq_get_budget(struct blk_mq_hw_ctx *hctx)
struct request_queue *q = hctx->queue;
struct scsi_device *sdev = q->queuedata;
- if (scsi_dev_queue_ready(q, sdev))
- return true;
-
- if (atomic_read(&sdev->device_busy) == 0 && !scsi_device_blocked(sdev))
- blk_mq_delay_run_hw_queue(hctx, SCSI_QUEUE_DELAY);
- return false;
+ return scsi_dev_queue_ready(q, sdev);
}
static blk_status_t scsi_queue_rq(struct blk_mq_hw_ctx *hctx,
@@ -1684,6 +1706,7 @@ out_put_budget:
case BLK_STS_OK:
break;
case BLK_STS_RESOURCE:
+ case BLK_STS_ZONE_RESOURCE:
if (atomic_read(&sdev->device_busy) ||
scsi_device_blocked(sdev))
ret = BLK_STS_DEV_RESOURCE;
@@ -2284,6 +2307,7 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
switch (oldstate) {
case SDEV_RUNNING:
case SDEV_CREATED_BLOCK:
+ case SDEV_QUIESCE:
case SDEV_OFFLINE:
break;
default:
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index 3717eea37ecb..5f0ad8b32e3a 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -80,6 +80,10 @@ static int scsi_dev_type_resume(struct device *dev,
dev_dbg(dev, "scsi resume: %d\n", err);
if (err == 0) {
+ bool was_runtime_suspended;
+
+ was_runtime_suspended = pm_runtime_suspended(dev);
+
pm_runtime_disable(dev);
err = pm_runtime_set_active(dev);
pm_runtime_enable(dev);
@@ -93,8 +97,10 @@ static int scsi_dev_type_resume(struct device *dev,
*/
if (!err && scsi_is_sdev_device(dev)) {
struct scsi_device *sdev = to_scsi_device(dev);
-
- blk_set_runtime_active(sdev->request_queue);
+ if (was_runtime_suspended)
+ blk_post_runtime_resume(sdev->request_queue, 0);
+ else
+ blk_set_runtime_active(sdev->request_queue);
}
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index a793cb08d025..7b0383e42b4c 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1206,6 +1206,12 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
}
}
+ if (req_op(rq) == REQ_OP_ZONE_APPEND) {
+ ret = sd_zbc_prepare_zone_append(cmd, &lba, nr_blocks);
+ if (ret)
+ return ret;
+ }
+
fua = rq->cmd_flags & REQ_FUA ? 0x8 : 0;
dix = scsi_prot_sg_count(cmd);
dif = scsi_host_dif_capable(cmd->device->host, sdkp->protection_type);
@@ -1287,6 +1293,7 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd)
return sd_setup_flush_cmnd(cmd);
case REQ_OP_READ:
case REQ_OP_WRITE:
+ case REQ_OP_ZONE_APPEND:
return sd_setup_read_write_cmnd(cmd);
case REQ_OP_ZONE_RESET:
return sd_zbc_setup_zone_mgmt_cmnd(cmd, ZO_RESET_WRITE_POINTER,
@@ -2055,7 +2062,7 @@ static int sd_done(struct scsi_cmnd *SCpnt)
out:
if (sd_is_zoned(sdkp))
- sd_zbc_complete(SCpnt, good_bytes, &sshdr);
+ good_bytes = sd_zbc_complete(SCpnt, good_bytes, &sshdr);
SCSI_LOG_HLCOMPLETE(1, scmd_printk(KERN_INFO, SCpnt,
"sd_done: completed %d of %d bytes\n",
@@ -3372,6 +3379,10 @@ static int sd_probe(struct device *dev)
sdkp->first_scan = 1;
sdkp->max_medium_access_timeouts = SD_MAX_MEDIUM_TIMEOUTS;
+ error = sd_zbc_init_disk(sdkp);
+ if (error)
+ goto out_free_index;
+
sd_revalidate_disk(gd);
gd->flags = GENHD_FL_EXT_DEVT;
@@ -3409,6 +3420,7 @@ static int sd_probe(struct device *dev)
out_put:
put_disk(gd);
out_free:
+ sd_zbc_release_disk(sdkp);
kfree(sdkp);
out:
scsi_autopm_put_device(sdp);
@@ -3485,6 +3497,8 @@ static void scsi_disk_release(struct device *dev)
put_disk(disk);
put_device(&sdkp->device->sdev_gendev);
+ sd_zbc_release_disk(sdkp);
+
kfree(sdkp);
}
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 50fff0bf8c8e..3a74f4b45134 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -79,6 +79,12 @@ struct scsi_disk {
u32 zones_optimal_open;
u32 zones_optimal_nonseq;
u32 zones_max_open;
+ u32 *zones_wp_offset;
+ spinlock_t zones_wp_offset_lock;
+ u32 *rev_wp_offset;
+ struct mutex rev_mutex;
+ struct work_struct zone_wp_offset_work;
+ char *zone_wp_update_buf;
#endif
atomic_t openers;
sector_t capacity; /* size in logical blocks */
@@ -207,17 +213,35 @@ static inline int sd_is_zoned(struct scsi_disk *sdkp)
#ifdef CONFIG_BLK_DEV_ZONED
+int sd_zbc_init_disk(struct scsi_disk *sdkp);
+void sd_zbc_release_disk(struct scsi_disk *sdkp);
extern int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buffer);
extern void sd_zbc_print_zones(struct scsi_disk *sdkp);
blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
unsigned char op, bool all);
-extern void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
- struct scsi_sense_hdr *sshdr);
+unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
+ struct scsi_sense_hdr *sshdr);
int sd_zbc_report_zones(struct gendisk *disk, sector_t sector,
unsigned int nr_zones, report_zones_cb cb, void *data);
+blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
+ unsigned int nr_blocks);
+
#else /* CONFIG_BLK_DEV_ZONED */
+static inline int sd_zbc_init(void)
+{
+ return 0;
+}
+
+static inline int sd_zbc_init_disk(struct scsi_disk *sdkp)
+{
+ return 0;
+}
+
+static inline void sd_zbc_exit(void) {}
+static inline void sd_zbc_release_disk(struct scsi_disk *sdkp) {}
+
static inline int sd_zbc_read_zones(struct scsi_disk *sdkp,
unsigned char *buf)
{
@@ -233,9 +257,18 @@ static inline blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
return BLK_STS_TARGET;
}
-static inline void sd_zbc_complete(struct scsi_cmnd *cmd,
- unsigned int good_bytes,
- struct scsi_sense_hdr *sshdr) {}
+static inline unsigned int sd_zbc_complete(struct scsi_cmnd *cmd,
+ unsigned int good_bytes, struct scsi_sense_hdr *sshdr)
+{
+ return 0;
+}
+
+static inline blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd,
+ sector_t *lba,
+ unsigned int nr_blocks)
+{
+ return BLK_STS_TARGET;
+}
#define sd_zbc_report_zones NULL
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index f45c22b09726..6f7eba66687e 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -11,6 +11,7 @@
#include <linux/blkdev.h>
#include <linux/vmalloc.h>
#include <linux/sched/mm.h>
+#include <linux/mutex.h>
#include <asm/unaligned.h>
@@ -19,11 +20,36 @@
#include "sd.h"
+static unsigned int sd_zbc_get_zone_wp_offset(struct blk_zone *zone)
+{
+ if (zone->type == ZBC_ZONE_TYPE_CONV)
+ return 0;
+
+ switch (zone->cond) {
+ case BLK_ZONE_COND_IMP_OPEN:
+ case BLK_ZONE_COND_EXP_OPEN:
+ case BLK_ZONE_COND_CLOSED:
+ return zone->wp - zone->start;
+ case BLK_ZONE_COND_FULL:
+ return zone->len;
+ case BLK_ZONE_COND_EMPTY:
+ case BLK_ZONE_COND_OFFLINE:
+ case BLK_ZONE_COND_READONLY:
+ default:
+ /*
+ * Offline and read-only zones do not have a valid
+ * write pointer. Use 0 as for an empty zone.
+ */
+ return 0;
+ }
+}
+
static int sd_zbc_parse_report(struct scsi_disk *sdkp, u8 *buf,
unsigned int idx, report_zones_cb cb, void *data)
{
struct scsi_device *sdp = sdkp->device;
struct blk_zone zone = { 0 };
+ int ret;
zone.type = buf[0] & 0x0f;
zone.cond = (buf[1] >> 4) & 0xf;
@@ -39,7 +65,14 @@ static int sd_zbc_parse_report(struct scsi_disk *sdkp, u8 *buf,
zone.cond == ZBC_ZONE_COND_FULL)
zone.wp = zone.start + zone.len;
- return cb(&zone, idx, data);
+ ret = cb(&zone, idx, data);
+ if (ret)
+ return ret;
+
+ if (sdkp->rev_wp_offset)
+ sdkp->rev_wp_offset[idx] = sd_zbc_get_zone_wp_offset(&zone);
+
+ return 0;
}
/**
@@ -136,8 +169,7 @@ static void *sd_zbc_alloc_report_buffer(struct scsi_disk *sdkp,
while (bufsize >= SECTOR_SIZE) {
buf = __vmalloc(bufsize,
- GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY,
- PAGE_KERNEL);
+ GFP_KERNEL | __GFP_ZERO | __GFP_NORETRY);
if (buf) {
*buflen = bufsize;
return buf;
@@ -209,6 +241,136 @@ out:
return ret;
}
+static blk_status_t sd_zbc_cmnd_checks(struct scsi_cmnd *cmd)
+{
+ struct request *rq = cmd->request;
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+ sector_t sector = blk_rq_pos(rq);
+
+ if (!sd_is_zoned(sdkp))
+ /* Not a zoned device */
+ return BLK_STS_IOERR;
+
+ if (sdkp->device->changed)
+ return BLK_STS_IOERR;
+
+ if (sector & (sd_zbc_zone_sectors(sdkp) - 1))
+ /* Unaligned request */
+ return BLK_STS_IOERR;
+
+ return BLK_STS_OK;
+}
+
+#define SD_ZBC_INVALID_WP_OFST (~0u)
+#define SD_ZBC_UPDATING_WP_OFST (SD_ZBC_INVALID_WP_OFST - 1)
+
+static int sd_zbc_update_wp_offset_cb(struct blk_zone *zone, unsigned int idx,
+ void *data)
+{
+ struct scsi_disk *sdkp = data;
+
+ lockdep_assert_held(&sdkp->zones_wp_offset_lock);
+
+ sdkp->zones_wp_offset[idx] = sd_zbc_get_zone_wp_offset(zone);
+
+ return 0;
+}
+
+static void sd_zbc_update_wp_offset_workfn(struct work_struct *work)
+{
+ struct scsi_disk *sdkp;
+ unsigned int zno;
+ int ret;
+
+ sdkp = container_of(work, struct scsi_disk, zone_wp_offset_work);
+
+ spin_lock_bh(&sdkp->zones_wp_offset_lock);
+ for (zno = 0; zno < sdkp->nr_zones; zno++) {
+ if (sdkp->zones_wp_offset[zno] != SD_ZBC_UPDATING_WP_OFST)
+ continue;
+
+ spin_unlock_bh(&sdkp->zones_wp_offset_lock);
+ ret = sd_zbc_do_report_zones(sdkp, sdkp->zone_wp_update_buf,
+ SD_BUF_SIZE,
+ zno * sdkp->zone_blocks, true);
+ spin_lock_bh(&sdkp->zones_wp_offset_lock);
+ if (!ret)
+ sd_zbc_parse_report(sdkp, sdkp->zone_wp_update_buf + 64,
+ zno, sd_zbc_update_wp_offset_cb,
+ sdkp);
+ }
+ spin_unlock_bh(&sdkp->zones_wp_offset_lock);
+
+ scsi_device_put(sdkp->device);
+}
+
+/**
+ * sd_zbc_prepare_zone_append() - Prepare an emulated ZONE_APPEND command.
+ * @cmd: the command to setup
+ * @lba: the LBA to patch
+ * @nr_blocks: the number of LBAs to be written
+ *
+ * Called from sd_setup_read_write_cmnd() for REQ_OP_ZONE_APPEND.
+ * @sd_zbc_prepare_zone_append() handles the necessary zone wrote locking and
+ * patching of the lba for an emulated ZONE_APPEND command.
+ *
+ * In case the cached write pointer offset is %SD_ZBC_INVALID_WP_OFST it will
+ * schedule a REPORT ZONES command and return BLK_STS_IOERR.
+ */
+blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
+ unsigned int nr_blocks)
+{
+ struct request *rq = cmd->request;
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+ unsigned int wp_offset, zno = blk_rq_zone_no(rq);
+ blk_status_t ret;
+
+ ret = sd_zbc_cmnd_checks(cmd);
+ if (ret != BLK_STS_OK)
+ return ret;
+
+ if (!blk_rq_zone_is_seq(rq))
+ return BLK_STS_IOERR;
+
+ /* Unlock of the write lock will happen in sd_zbc_complete() */
+ if (!blk_req_zone_write_trylock(rq))
+ return BLK_STS_ZONE_RESOURCE;
+
+ spin_lock_bh(&sdkp->zones_wp_offset_lock);
+ wp_offset = sdkp->zones_wp_offset[zno];
+ switch (wp_offset) {
+ case SD_ZBC_INVALID_WP_OFST:
+ /*
+ * We are about to schedule work to update a zone write pointer
+ * offset, which will cause the zone append command to be
+ * requeued. So make sure that the scsi device does not go away
+ * while the work is being processed.
+ */
+ if (scsi_device_get(sdkp->device)) {
+ ret = BLK_STS_IOERR;
+ break;
+ }
+ sdkp->zones_wp_offset[zno] = SD_ZBC_UPDATING_WP_OFST;
+ schedule_work(&sdkp->zone_wp_offset_work);
+ fallthrough;
+ case SD_ZBC_UPDATING_WP_OFST:
+ ret = BLK_STS_DEV_RESOURCE;
+ break;
+ default:
+ wp_offset = sectors_to_logical(sdkp->device, wp_offset);
+ if (wp_offset + nr_blocks > sdkp->zone_blocks) {
+ ret = BLK_STS_IOERR;
+ break;
+ }
+
+ *lba += wp_offset;
+ }
+ spin_unlock_bh(&sdkp->zones_wp_offset_lock);
+ if (ret)
+ blk_req_zone_write_unlock(rq);
+ return ret;
+}
+
/**
* sd_zbc_setup_zone_mgmt_cmnd - Prepare a zone ZBC_OUT command. The operations
* can be RESET WRITE POINTER, OPEN, CLOSE or FINISH.
@@ -223,20 +385,14 @@ blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
unsigned char op, bool all)
{
struct request *rq = cmd->request;
- struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
sector_t sector = blk_rq_pos(rq);
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
sector_t block = sectors_to_logical(sdkp->device, sector);
+ blk_status_t ret;
- if (!sd_is_zoned(sdkp))
- /* Not a zoned device */
- return BLK_STS_IOERR;
-
- if (sdkp->device->changed)
- return BLK_STS_IOERR;
-
- if (sector & (sd_zbc_zone_sectors(sdkp) - 1))
- /* Unaligned request */
- return BLK_STS_IOERR;
+ ret = sd_zbc_cmnd_checks(cmd);
+ if (ret != BLK_STS_OK)
+ return ret;
cmd->cmd_len = 16;
memset(cmd->cmnd, 0, cmd->cmd_len);
@@ -255,16 +411,105 @@ blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
return BLK_STS_OK;
}
+static bool sd_zbc_need_zone_wp_update(struct request *rq)
+{
+ switch (req_op(rq)) {
+ case REQ_OP_ZONE_APPEND:
+ case REQ_OP_ZONE_FINISH:
+ case REQ_OP_ZONE_RESET:
+ case REQ_OP_ZONE_RESET_ALL:
+ return true;
+ case REQ_OP_WRITE:
+ case REQ_OP_WRITE_ZEROES:
+ case REQ_OP_WRITE_SAME:
+ return blk_rq_zone_is_seq(rq);
+ default:
+ return false;
+ }
+}
+
+/**
+ * sd_zbc_zone_wp_update - Update cached zone write pointer upon cmd completion
+ * @cmd: Completed command
+ * @good_bytes: Command reply bytes
+ *
+ * Called from sd_zbc_complete() to handle the update of the cached zone write
+ * pointer value in case an update is needed.
+ */
+static unsigned int sd_zbc_zone_wp_update(struct scsi_cmnd *cmd,
+ unsigned int good_bytes)
+{
+ int result = cmd->result;
+ struct request *rq = cmd->request;
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+ unsigned int zno = blk_rq_zone_no(rq);
+ enum req_opf op = req_op(rq);
+
+ /*
+ * If we got an error for a command that needs updating the write
+ * pointer offset cache, we must mark the zone wp offset entry as
+ * invalid to force an update from disk the next time a zone append
+ * command is issued.
+ */
+ spin_lock_bh(&sdkp->zones_wp_offset_lock);
+
+ if (result && op != REQ_OP_ZONE_RESET_ALL) {
+ if (op == REQ_OP_ZONE_APPEND) {
+ /* Force complete completion (no retry) */
+ good_bytes = 0;
+ scsi_set_resid(cmd, blk_rq_bytes(rq));
+ }
+
+ /*
+ * Force an update of the zone write pointer offset on
+ * the next zone append access.
+ */
+ if (sdkp->zones_wp_offset[zno] != SD_ZBC_UPDATING_WP_OFST)
+ sdkp->zones_wp_offset[zno] = SD_ZBC_INVALID_WP_OFST;
+ goto unlock_wp_offset;
+ }
+
+ switch (op) {
+ case REQ_OP_ZONE_APPEND:
+ rq->__sector += sdkp->zones_wp_offset[zno];
+ fallthrough;
+ case REQ_OP_WRITE_ZEROES:
+ case REQ_OP_WRITE_SAME:
+ case REQ_OP_WRITE:
+ if (sdkp->zones_wp_offset[zno] < sd_zbc_zone_sectors(sdkp))
+ sdkp->zones_wp_offset[zno] +=
+ good_bytes >> SECTOR_SHIFT;
+ break;
+ case REQ_OP_ZONE_RESET:
+ sdkp->zones_wp_offset[zno] = 0;
+ break;
+ case REQ_OP_ZONE_FINISH:
+ sdkp->zones_wp_offset[zno] = sd_zbc_zone_sectors(sdkp);
+ break;
+ case REQ_OP_ZONE_RESET_ALL:
+ memset(sdkp->zones_wp_offset, 0,
+ sdkp->nr_zones * sizeof(unsigned int));
+ break;
+ default:
+ break;
+ }
+
+unlock_wp_offset:
+ spin_unlock_bh(&sdkp->zones_wp_offset_lock);
+
+ return good_bytes;
+}
+
/**
* sd_zbc_complete - ZBC command post processing.
* @cmd: Completed command
* @good_bytes: Command reply bytes
* @sshdr: command sense header
*
- * Called from sd_done(). Process report zones reply and handle reset zone
- * and write commands errors.
+ * Called from sd_done() to handle zone commands errors and updates to the
+ * device queue zone write pointer offset cahce.
*/
-void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
+unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
struct scsi_sense_hdr *sshdr)
{
int result = cmd->result;
@@ -280,7 +525,13 @@ void sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes,
* so be quiet about the error.
*/
rq->rq_flags |= RQF_QUIET;
- }
+ } else if (sd_zbc_need_zone_wp_update(rq))
+ good_bytes = sd_zbc_zone_wp_update(cmd, good_bytes);
+
+ if (req_op(rq) == REQ_OP_ZONE_APPEND)
+ blk_req_zone_write_unlock(rq);
+
+ return good_bytes;
}
/**
@@ -382,11 +633,67 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf,
return 0;
}
+static void sd_zbc_revalidate_zones_cb(struct gendisk *disk)
+{
+ struct scsi_disk *sdkp = scsi_disk(disk);
+
+ swap(sdkp->zones_wp_offset, sdkp->rev_wp_offset);
+}
+
+static int sd_zbc_revalidate_zones(struct scsi_disk *sdkp,
+ u32 zone_blocks,
+ unsigned int nr_zones)
+{
+ struct gendisk *disk = sdkp->disk;
+ int ret = 0;
+
+ /*
+ * Make sure revalidate zones are serialized to ensure exclusive
+ * updates of the scsi disk data.
+ */
+ mutex_lock(&sdkp->rev_mutex);
+
+ /*
+ * Revalidate the disk zones to update the device request queue zone
+ * bitmaps and the zone write pointer offset array. Do this only once
+ * the device capacity is set on the second revalidate execution for
+ * disk scan or if something changed when executing a normal revalidate.
+ */
+ if (sdkp->first_scan) {
+ sdkp->zone_blocks = zone_blocks;
+ sdkp->nr_zones = nr_zones;
+ goto unlock;
+ }
+
+ if (sdkp->zone_blocks == zone_blocks &&
+ sdkp->nr_zones == nr_zones &&
+ disk->queue->nr_zones == nr_zones)
+ goto unlock;
+
+ sdkp->rev_wp_offset = kvcalloc(nr_zones, sizeof(u32), GFP_NOIO);
+ if (!sdkp->rev_wp_offset) {
+ ret = -ENOMEM;
+ goto unlock;
+ }
+
+ ret = blk_revalidate_disk_zones(disk, sd_zbc_revalidate_zones_cb);
+
+ kvfree(sdkp->rev_wp_offset);
+ sdkp->rev_wp_offset = NULL;
+
+unlock:
+ mutex_unlock(&sdkp->rev_mutex);
+
+ return ret;
+}
+
int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
{
struct gendisk *disk = sdkp->disk;
+ struct request_queue *q = disk->queue;
unsigned int nr_zones;
u32 zone_blocks = 0;
+ u32 max_append;
int ret;
if (!sd_is_zoned(sdkp))
@@ -407,35 +714,31 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf)
goto err;
/* The drive satisfies the kernel restrictions: set it up */
- blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, sdkp->disk->queue);
- blk_queue_required_elevator_features(sdkp->disk->queue,
- ELEVATOR_F_ZBD_SEQ_WRITE);
+ blk_queue_flag_set(QUEUE_FLAG_ZONE_RESETALL, q);
+ blk_queue_required_elevator_features(q, ELEVATOR_F_ZBD_SEQ_WRITE);
nr_zones = round_up(sdkp->capacity, zone_blocks) >> ilog2(zone_blocks);
/* READ16/WRITE16 is mandatory for ZBC disks */
sdkp->device->use_16_for_rw = 1;
sdkp->device->use_10_for_rw = 0;
+ ret = sd_zbc_revalidate_zones(sdkp, zone_blocks, nr_zones);
+ if (ret)
+ goto err;
+
/*
- * Revalidate the disk zone bitmaps once the block device capacity is
- * set on the second revalidate execution during disk scan and if
- * something changed when executing a normal revalidate.
+ * On the first scan 'chunk_sectors' isn't setup yet, so calling
+ * blk_queue_max_zone_append_sectors() will result in a WARN(). Defer
+ * this setting to the second scan.
*/
- if (sdkp->first_scan) {
- sdkp->zone_blocks = zone_blocks;
- sdkp->nr_zones = nr_zones;
+ if (sdkp->first_scan)
return 0;
- }
- if (sdkp->zone_blocks != zone_blocks ||
- sdkp->nr_zones != nr_zones ||
- disk->queue->nr_zones != nr_zones) {
- ret = blk_revalidate_disk_zones(disk);
- if (ret != 0)
- goto err;
- sdkp->zone_blocks = zone_blocks;
- sdkp->nr_zones = nr_zones;
- }
+ max_append = min_t(u32, logical_to_sectors(sdkp->device, zone_blocks),
+ q->limits.max_segments << (PAGE_SHIFT - 9));
+ max_append = min_t(u32, max_append, queue_max_hw_sectors(q));
+
+ blk_queue_max_zone_append_sectors(q, max_append);
return 0;
@@ -461,3 +764,28 @@ void sd_zbc_print_zones(struct scsi_disk *sdkp)
sdkp->nr_zones,
sdkp->zone_blocks);
}
+
+int sd_zbc_init_disk(struct scsi_disk *sdkp)
+{
+ if (!sd_is_zoned(sdkp))
+ return 0;
+
+ sdkp->zones_wp_offset = NULL;
+ spin_lock_init(&sdkp->zones_wp_offset_lock);
+ sdkp->rev_wp_offset = NULL;
+ mutex_init(&sdkp->rev_mutex);
+ INIT_WORK(&sdkp->zone_wp_offset_work, sd_zbc_update_wp_offset_workfn);
+ sdkp->zone_wp_update_buf = kzalloc(SD_BUF_SIZE, GFP_KERNEL);
+ if (!sdkp->zone_wp_update_buf)
+ return -ENOMEM;
+
+ return 0;
+}
+
+void sd_zbc_release_disk(struct scsi_disk *sdkp)
+{
+ kvfree(sdkp->zones_wp_offset);
+ sdkp->zones_wp_offset = NULL;
+ kfree(sdkp->zone_wp_update_buf);
+ sdkp->zone_wp_update_buf = NULL;
+}
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 9c0ee192f0f9..20472aaaf630 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -685,8 +685,10 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
hp->flags = input_size; /* structure abuse ... */
hp->pack_id = old_hdr.pack_id;
hp->usr_ptr = NULL;
- if (copy_from_user(cmnd, buf, cmd_size))
+ if (copy_from_user(cmnd, buf, cmd_size)) {
+ sg_remove_request(sfp, srp);
return -EFAULT;
+ }
/*
* SG_DXFER_TO_FROM_DEV is functionally equivalent to SG_DXFER_FROM_DEV,
* but is is possible that the app intended SG_DXFER_TO_DEV, because there
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d2fe3fa470f9..f9b589d60a46 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -794,9 +794,8 @@ static int sr_probe(struct device *dev)
set_capacity(disk, cd->capacity);
disk->private_data = &cd->driver;
disk->queue = sdev->request_queue;
- cd->cdi.disk = disk;
- if (register_cdrom(&cd->cdi))
+ if (register_cdrom(disk, &cd->cdi))
goto fail_put;
/*
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index fb41636519ee..072ed8728657 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -621,6 +621,64 @@ get_in_err:
}
+static void storvsc_change_target_cpu(struct vmbus_channel *channel, u32 old,
+ u32 new)
+{
+ struct storvsc_device *stor_device;
+ struct vmbus_channel *cur_chn;
+ bool old_is_alloced = false;
+ struct hv_device *device;
+ unsigned long flags;
+ int cpu;
+
+ device = channel->primary_channel ?
+ channel->primary_channel->device_obj
+ : channel->device_obj;
+ stor_device = get_out_stor_device(device);
+ if (!stor_device)
+ return;
+
+ /* See storvsc_do_io() -> get_og_chn(). */
+ spin_lock_irqsave(&device->channel->lock, flags);
+
+ /*
+ * Determines if the storvsc device has other channels assigned to
+ * the "old" CPU to update the alloced_cpus mask and the stor_chns
+ * array.
+ */
+ if (device->channel != channel && device->channel->target_cpu == old) {
+ cur_chn = device->channel;
+ old_is_alloced = true;
+ goto old_is_alloced;
+ }
+ list_for_each_entry(cur_chn, &device->channel->sc_list, sc_list) {
+ if (cur_chn == channel)
+ continue;
+ if (cur_chn->target_cpu == old) {
+ old_is_alloced = true;
+ goto old_is_alloced;
+ }
+ }
+
+old_is_alloced:
+ if (old_is_alloced)
+ WRITE_ONCE(stor_device->stor_chns[old], cur_chn);
+ else
+ cpumask_clear_cpu(old, &stor_device->alloced_cpus);
+
+ /* "Flush" the stor_chns array. */
+ for_each_possible_cpu(cpu) {
+ if (stor_device->stor_chns[cpu] && !cpumask_test_cpu(
+ cpu, &stor_device->alloced_cpus))
+ WRITE_ONCE(stor_device->stor_chns[cpu], NULL);
+ }
+
+ WRITE_ONCE(stor_device->stor_chns[new], channel);
+ cpumask_set_cpu(new, &stor_device->alloced_cpus);
+
+ spin_unlock_irqrestore(&device->channel->lock, flags);
+}
+
static void handle_sc_creation(struct vmbus_channel *new_sc)
{
struct hv_device *device = new_sc->primary_channel->device_obj;
@@ -648,6 +706,8 @@ static void handle_sc_creation(struct vmbus_channel *new_sc)
return;
}
+ new_sc->change_target_cpu_callback = storvsc_change_target_cpu;
+
/* Add the sub-channel to the array of available channels. */
stor_device->stor_chns[new_sc->target_cpu] = new_sc;
cpumask_set_cpu(new_sc->target_cpu, &stor_device->alloced_cpus);
@@ -876,6 +936,8 @@ static int storvsc_channel_init(struct hv_device *device, bool is_fc)
if (stor_device->stor_chns == NULL)
return -ENOMEM;
+ device->channel->change_target_cpu_callback = storvsc_change_target_cpu;
+
stor_device->stor_chns[device->channel->target_cpu] = device->channel;
cpumask_set_cpu(device->channel->target_cpu,
&stor_device->alloced_cpus);
@@ -1248,8 +1310,10 @@ static struct vmbus_channel *get_og_chn(struct storvsc_device *stor_device,
const struct cpumask *node_mask;
int num_channels, tgt_cpu;
- if (stor_device->num_sc == 0)
+ if (stor_device->num_sc == 0) {
+ stor_device->stor_chns[q_num] = stor_device->device->channel;
return stor_device->device->channel;
+ }
/*
* Our channel array is sparsley populated and we
@@ -1258,7 +1322,6 @@ static struct vmbus_channel *get_og_chn(struct storvsc_device *stor_device,
* The strategy is simple:
* I. Ensure NUMA locality
* II. Distribute evenly (best effort)
- * III. Mapping is persistent.
*/
node_mask = cpumask_of_node(cpu_to_node(q_num));
@@ -1268,8 +1331,10 @@ static struct vmbus_channel *get_og_chn(struct storvsc_device *stor_device,
if (cpumask_test_cpu(tgt_cpu, node_mask))
num_channels++;
}
- if (num_channels == 0)
+ if (num_channels == 0) {
+ stor_device->stor_chns[q_num] = stor_device->device->channel;
return stor_device->device->channel;
+ }
hash_qnum = q_num;
while (hash_qnum >= num_channels)
@@ -1295,6 +1360,7 @@ static int storvsc_do_io(struct hv_device *device,
struct storvsc_device *stor_device;
struct vstor_packet *vstor_packet;
struct vmbus_channel *outgoing_channel, *channel;
+ unsigned long flags;
int ret = 0;
const struct cpumask *node_mask;
int tgt_cpu;
@@ -1308,10 +1374,11 @@ static int storvsc_do_io(struct hv_device *device,
request->device = device;
/*
- * Select an an appropriate channel to send the request out.
+ * Select an appropriate channel to send the request out.
*/
- if (stor_device->stor_chns[q_num] != NULL) {
- outgoing_channel = stor_device->stor_chns[q_num];
+ /* See storvsc_change_target_cpu(). */
+ outgoing_channel = READ_ONCE(stor_device->stor_chns[q_num]);
+ if (outgoing_channel != NULL) {
if (outgoing_channel->target_cpu == q_num) {
/*
* Ideally, we want to pick a different channel if
@@ -1324,7 +1391,10 @@ static int storvsc_do_io(struct hv_device *device,
continue;
if (tgt_cpu == q_num)
continue;
- channel = stor_device->stor_chns[tgt_cpu];
+ channel = READ_ONCE(
+ stor_device->stor_chns[tgt_cpu]);
+ if (channel == NULL)
+ continue;
if (hv_get_avail_to_write_percent(
&channel->outbound)
> ring_avail_percent_lowater) {
@@ -1350,7 +1420,10 @@ static int storvsc_do_io(struct hv_device *device,
for_each_cpu(tgt_cpu, &stor_device->alloced_cpus) {
if (cpumask_test_cpu(tgt_cpu, node_mask))
continue;
- channel = stor_device->stor_chns[tgt_cpu];
+ channel = READ_ONCE(
+ stor_device->stor_chns[tgt_cpu]);
+ if (channel == NULL)
+ continue;
if (hv_get_avail_to_write_percent(
&channel->outbound)
> ring_avail_percent_lowater) {
@@ -1360,7 +1433,14 @@ static int storvsc_do_io(struct hv_device *device,
}
}
} else {
+ spin_lock_irqsave(&device->channel->lock, flags);
+ outgoing_channel = stor_device->stor_chns[q_num];
+ if (outgoing_channel != NULL) {
+ spin_unlock_irqrestore(&device->channel->lock, flags);
+ goto found_channel;
+ }
outgoing_channel = get_og_chn(stor_device, q_num);
+ spin_unlock_irqrestore(&device->channel->lock, flags);
}
found_channel:
diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c
index cd4f6410e8c2..bcdcd3e7d7f1 100644
--- a/drivers/soc/fsl/dpio/dpio-service.c
+++ b/drivers/soc/fsl/dpio/dpio-service.c
@@ -478,12 +478,18 @@ int dpaa2_io_service_enqueue_multiple_desc_fq(struct dpaa2_io *d,
const struct dpaa2_fd *fd,
int nb)
{
- int i;
- struct qbman_eq_desc ed[32];
+ struct qbman_eq_desc *ed;
+ int i, ret;
+
+ ed = kcalloc(sizeof(struct qbman_eq_desc), 32, GFP_KERNEL);
+ if (!ed)
+ return -ENOMEM;
d = service_select(d);
- if (!d)
- return -ENODEV;
+ if (!d) {
+ ret = -ENODEV;
+ goto out;
+ }
for (i = 0; i < nb; i++) {
qbman_eq_desc_clear(&ed[i]);
@@ -491,7 +497,10 @@ int dpaa2_io_service_enqueue_multiple_desc_fq(struct dpaa2_io *d,
qbman_eq_desc_set_fq(&ed[i], fqid[i]);
}
- return qbman_swp_enqueue_multiple_desc(d->swp, &ed[0], fd, nb);
+ ret = qbman_swp_enqueue_multiple_desc(d->swp, &ed[0], fd, nb);
+out:
+ kfree(ed);
+ return ret;
}
EXPORT_SYMBOL(dpaa2_io_service_enqueue_multiple_desc_fq);
diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c
index d1f49caa5b13..23a1377971f4 100644
--- a/drivers/soc/fsl/dpio/qbman-portal.c
+++ b/drivers/soc/fsl/dpio/qbman-portal.c
@@ -669,6 +669,7 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s,
eqcr_ci = s->eqcr.ci;
p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI;
s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI);
+ s->eqcr.ci &= full_mask;
s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
eqcr_ci, s->eqcr.ci);
@@ -753,7 +754,7 @@ int qbman_swp_enqueue_multiple_mem_back(struct qbman_swp *s,
if (!s->eqcr.available) {
eqcr_ci = s->eqcr.ci;
p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI_MEMBACK;
- s->eqcr.ci = __raw_readl(p) & full_mask;
+ s->eqcr.ci = *p & full_mask;
s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
eqcr_ci, s->eqcr.ci);
if (!s->eqcr.available) {
@@ -823,7 +824,6 @@ int qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s,
const uint32_t *cl;
uint32_t eqcr_ci, eqcr_pi, half_mask, full_mask;
int i, num_enqueued = 0;
- uint64_t addr_cena;
half_mask = (s->eqcr.pi_ci_mask>>1);
full_mask = s->eqcr.pi_ci_mask;
@@ -867,7 +867,6 @@ int qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s,
/* Flush all the cacheline without load/store in between */
eqcr_pi = s->eqcr.pi;
- addr_cena = (uint64_t)s->addr_cena;
for (i = 0; i < num_enqueued; i++)
eqcr_pi++;
s->eqcr.pi = eqcr_pi & full_mask;
@@ -901,7 +900,7 @@ int qbman_swp_enqueue_multiple_desc_mem_back(struct qbman_swp *s,
if (!s->eqcr.available) {
eqcr_ci = s->eqcr.ci;
p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI_MEMBACK;
- s->eqcr.ci = __raw_readl(p) & full_mask;
+ s->eqcr.ci = *p & full_mask;
s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size,
eqcr_ci, s->eqcr.ci);
if (!s->eqcr.available)
diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig
index 67aa94b2481b..d515d2cc20ed 100644
--- a/drivers/soc/imx/Kconfig
+++ b/drivers/soc/imx/Kconfig
@@ -21,6 +21,7 @@ config SOC_IMX8M
bool "i.MX8M SoC family support"
depends on ARCH_MXC || COMPILE_TEST
default ARCH_MXC && ARM64
+ select SOC_BUS
help
If you say yes here you get support for the NXP i.MX8M family
support, it will provide the SoC info like SoC family,
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index db37144ae98c..87ee9f767b7a 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -351,7 +351,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
spin_unlock_irqrestore(&client->lock, flags);
}
- mbox_send_message(client->chan, pkt);
+ err = mbox_send_message(client->chan, pkt);
+ if (err < 0)
+ return err;
/* We can send next packet immediately, so just call txdone. */
mbox_client_txdone(client->chan, 0);
diff --git a/drivers/soc/qcom/Kconfig b/drivers/soc/qcom/Kconfig
index bf42a17a45de..285baa7e474e 100644
--- a/drivers/soc/qcom/Kconfig
+++ b/drivers/soc/qcom/Kconfig
@@ -80,16 +80,6 @@ config QCOM_PDR_HELPERS
tristate
select QCOM_QMI_HELPERS
-config QCOM_PM
- bool "Qualcomm Power Management"
- depends on ARCH_QCOM && !ARM64
- select ARM_CPU_SUSPEND
- select QCOM_SCM
- help
- QCOM Platform specific power driver to manage cores and L2 low power
- modes. It interface with various system drivers to put the cores in
- low power modes.
-
config QCOM_QMI_HELPERS
tristate
depends on NET
diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile
index 5d6b83dc58e8..92cc4232d72c 100644
--- a/drivers/soc/qcom/Makefile
+++ b/drivers/soc/qcom/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_QCOM_GSBI) += qcom_gsbi.o
obj-$(CONFIG_QCOM_MDT_LOADER) += mdt_loader.o
obj-$(CONFIG_QCOM_OCMEM) += ocmem.o
obj-$(CONFIG_QCOM_PDR_HELPERS) += pdr_interface.o
-obj-$(CONFIG_QCOM_PM) += spm.o
obj-$(CONFIG_QCOM_QMI_HELPERS) += qmi_helpers.o
qmi_helpers-y += qmi_encdec.o qmi_interface.o
obj-$(CONFIG_QCOM_RMTFS_MEM) += rmtfs_mem.o
diff --git a/drivers/soc/xilinx/Kconfig b/drivers/soc/xilinx/Kconfig
index 223f1f9d0922..646512d7276f 100644
--- a/drivers/soc/xilinx/Kconfig
+++ b/drivers/soc/xilinx/Kconfig
@@ -19,7 +19,7 @@ config XILINX_VCU
config ZYNQMP_POWER
bool "Enable Xilinx Zynq MPSoC Power Management driver"
- depends on PM && ARCH_ZYNQMP
+ depends on PM && ZYNQMP_FIRMWARE
default y
select MAILBOX
select ZYNQMP_IPI_MBOX
@@ -35,7 +35,7 @@ config ZYNQMP_POWER
config ZYNQMP_PM_DOMAINS
bool "Enable Zynq MPSoC generic PM domains"
default y
- depends on PM && ARCH_ZYNQMP && ZYNQMP_FIRMWARE
+ depends on PM && ZYNQMP_FIRMWARE
select PM_GENERIC_DOMAINS
help
Say yes to enable device power management through PM domains
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 741b9140992a..8f1f8fca79e3 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -226,17 +226,20 @@ config SPI_DESIGNWARE
help
general driver for SPI controller core from DesignWare
+if SPI_DESIGNWARE
+
+config SPI_DW_DMA
+ bool "DMA support for DW SPI controller"
+
config SPI_DW_PCI
tristate "PCI interface driver for DW SPI core"
- depends on SPI_DESIGNWARE && PCI
-
-config SPI_DW_MID_DMA
- bool "DMA support for DW SPI controller on Intel MID platform"
- depends on SPI_DW_PCI && DW_DMAC_PCI
+ depends on PCI
config SPI_DW_MMIO
tristate "Memory-mapped io interface driver for DW SPI core"
- depends on SPI_DESIGNWARE
+ depends on HAS_IOMEM
+
+endif
config SPI_DLN2
tristate "Diolan DLN-2 USB SPI adapter"
@@ -844,6 +847,7 @@ config SPI_TXX9
config SPI_UNIPHIER
tristate "Socionext UniPhier SPI Controller"
depends on (ARCH_UNIPHIER || COMPILE_TEST) && OF
+ depends on HAS_IOMEM
help
This enables a driver for the Socionext UniPhier SoC SCSSI SPI controller.
@@ -910,6 +914,12 @@ config SPI_ZYNQMP_GQSPI
help
Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC.
+config SPI_AMD
+ tristate "AMD SPI controller"
+ depends on SPI_MASTER || COMPILE_TEST
+ help
+ Enables SPI controller driver for AMD SoC.
+
#
# Add new SPI master controllers in alphabetical order above this line
#
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 28f601327f8c..d2e41d3d464a 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -36,9 +36,10 @@ obj-$(CONFIG_SPI_COLDFIRE_QSPI) += spi-coldfire-qspi.o
obj-$(CONFIG_SPI_DAVINCI) += spi-davinci.o
obj-$(CONFIG_SPI_DLN2) += spi-dln2.o
obj-$(CONFIG_SPI_DESIGNWARE) += spi-dw.o
+spi-dw-y := spi-dw-core.o
+spi-dw-$(CONFIG_SPI_DW_DMA) += spi-dw-dma.o
obj-$(CONFIG_SPI_DW_MMIO) += spi-dw-mmio.o
-obj-$(CONFIG_SPI_DW_PCI) += spi-dw-midpci.o
-spi-dw-midpci-objs := spi-dw-pci.o spi-dw-mid.o
+obj-$(CONFIG_SPI_DW_PCI) += spi-dw-pci.o
obj-$(CONFIG_SPI_EFM32) += spi-efm32.o
obj-$(CONFIG_SPI_EP93XX) += spi-ep93xx.o
obj-$(CONFIG_SPI_FALCON) += spi-falcon.o
@@ -127,6 +128,7 @@ obj-$(CONFIG_SPI_XLP) += spi-xlp.o
obj-$(CONFIG_SPI_XTENSA_XTFPGA) += spi-xtensa-xtfpga.o
obj-$(CONFIG_SPI_ZYNQ_QSPI) += spi-zynq-qspi.o
obj-$(CONFIG_SPI_ZYNQMP_GQSPI) += spi-zynqmp-gqspi.o
+obj-$(CONFIG_SPI_AMD) += spi-amd.o
# SPI slave protocol handlers
obj-$(CONFIG_SPI_SLAVE_TIME) += spi-slave-time.o
diff --git a/drivers/spi/spi-amd.c b/drivers/spi/spi-amd.c
new file mode 100644
index 000000000000..d0aacd4de1b9
--- /dev/null
+++ b/drivers/spi/spi-amd.c
@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+//
+// AMD SPI controller driver
+//
+// Copyright (c) 2020, Advanced Micro Devices, Inc.
+//
+// Author: Sanjay R Mehta <sanju.mehta@amd.com>
+
+#include <linux/acpi.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/spi/spi.h>
+
+#define AMD_SPI_CTRL0_REG 0x00
+#define AMD_SPI_EXEC_CMD BIT(16)
+#define AMD_SPI_FIFO_CLEAR BIT(20)
+#define AMD_SPI_BUSY BIT(31)
+
+#define AMD_SPI_OPCODE_MASK 0xFF
+
+#define AMD_SPI_ALT_CS_REG 0x1D
+#define AMD_SPI_ALT_CS_MASK 0x3
+
+#define AMD_SPI_FIFO_BASE 0x80
+#define AMD_SPI_TX_COUNT_REG 0x48
+#define AMD_SPI_RX_COUNT_REG 0x4B
+#define AMD_SPI_STATUS_REG 0x4C
+
+#define AMD_SPI_MEM_SIZE 200
+
+/* M_CMD OP codes for SPI */
+#define AMD_SPI_XFER_TX 1
+#define AMD_SPI_XFER_RX 2
+
+struct amd_spi {
+ void __iomem *io_remap_addr;
+ unsigned long io_base_addr;
+ u32 rom_addr;
+ u8 chip_select;
+};
+
+static inline u8 amd_spi_readreg8(struct spi_master *master, int idx)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+
+ return ioread8((u8 __iomem *)amd_spi->io_remap_addr + idx);
+}
+
+static inline void amd_spi_writereg8(struct spi_master *master, int idx,
+ u8 val)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+
+ iowrite8(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
+}
+
+static inline void amd_spi_setclear_reg8(struct spi_master *master, int idx,
+ u8 set, u8 clear)
+{
+ u8 tmp = amd_spi_readreg8(master, idx);
+
+ tmp = (tmp & ~clear) | set;
+ amd_spi_writereg8(master, idx, tmp);
+}
+
+static inline u32 amd_spi_readreg32(struct spi_master *master, int idx)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+
+ return ioread32((u8 __iomem *)amd_spi->io_remap_addr + idx);
+}
+
+static inline void amd_spi_writereg32(struct spi_master *master, int idx,
+ u32 val)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+
+ iowrite32(val, ((u8 __iomem *)amd_spi->io_remap_addr + idx));
+}
+
+static inline void amd_spi_setclear_reg32(struct spi_master *master, int idx,
+ u32 set, u32 clear)
+{
+ u32 tmp = amd_spi_readreg32(master, idx);
+
+ tmp = (tmp & ~clear) | set;
+ amd_spi_writereg32(master, idx, tmp);
+}
+
+static void amd_spi_select_chip(struct spi_master *master)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+ u8 chip_select = amd_spi->chip_select;
+
+ amd_spi_setclear_reg8(master, AMD_SPI_ALT_CS_REG, chip_select,
+ AMD_SPI_ALT_CS_MASK);
+}
+
+static void amd_spi_clear_fifo_ptr(struct spi_master *master)
+{
+ amd_spi_setclear_reg32(master, AMD_SPI_CTRL0_REG, AMD_SPI_FIFO_CLEAR,
+ AMD_SPI_FIFO_CLEAR);
+}
+
+static void amd_spi_set_opcode(struct spi_master *master, u8 cmd_opcode)
+{
+ amd_spi_setclear_reg32(master, AMD_SPI_CTRL0_REG, cmd_opcode,
+ AMD_SPI_OPCODE_MASK);
+}
+
+static inline void amd_spi_set_rx_count(struct spi_master *master,
+ u8 rx_count)
+{
+ amd_spi_setclear_reg8(master, AMD_SPI_RX_COUNT_REG, rx_count, 0xff);
+}
+
+static inline void amd_spi_set_tx_count(struct spi_master *master,
+ u8 tx_count)
+{
+ amd_spi_setclear_reg8(master, AMD_SPI_TX_COUNT_REG, tx_count, 0xff);
+}
+
+static inline int amd_spi_busy_wait(struct amd_spi *amd_spi)
+{
+ bool spi_busy;
+ int timeout = 100000;
+
+ /* poll for SPI bus to become idle */
+ spi_busy = (ioread32((u8 __iomem *)amd_spi->io_remap_addr +
+ AMD_SPI_CTRL0_REG) & AMD_SPI_BUSY) == AMD_SPI_BUSY;
+ while (spi_busy) {
+ usleep_range(10, 20);
+ if (timeout-- < 0)
+ return -ETIMEDOUT;
+
+ spi_busy = (ioread32((u8 __iomem *)amd_spi->io_remap_addr +
+ AMD_SPI_CTRL0_REG) & AMD_SPI_BUSY) == AMD_SPI_BUSY;
+ }
+
+ return 0;
+}
+
+static void amd_spi_execute_opcode(struct spi_master *master)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+
+ /* Set ExecuteOpCode bit in the CTRL0 register */
+ amd_spi_setclear_reg32(master, AMD_SPI_CTRL0_REG, AMD_SPI_EXEC_CMD,
+ AMD_SPI_EXEC_CMD);
+
+ amd_spi_busy_wait(amd_spi);
+}
+
+static int amd_spi_master_setup(struct spi_device *spi)
+{
+ struct spi_master *master = spi->master;
+
+ amd_spi_clear_fifo_ptr(master);
+
+ return 0;
+}
+
+static inline int amd_spi_fifo_xfer(struct amd_spi *amd_spi,
+ struct spi_master *master,
+ struct spi_message *message)
+{
+ struct spi_transfer *xfer = NULL;
+ u8 cmd_opcode;
+ u8 *buf = NULL;
+ u32 m_cmd = 0;
+ u32 i = 0;
+ u32 tx_len = 0, rx_len = 0;
+
+ list_for_each_entry(xfer, &message->transfers,
+ transfer_list) {
+ if (xfer->rx_buf)
+ m_cmd = AMD_SPI_XFER_RX;
+ if (xfer->tx_buf)
+ m_cmd = AMD_SPI_XFER_TX;
+
+ if (m_cmd & AMD_SPI_XFER_TX) {
+ buf = (u8 *)xfer->tx_buf;
+ tx_len = xfer->len - 1;
+ cmd_opcode = *(u8 *)xfer->tx_buf;
+ buf++;
+ amd_spi_set_opcode(master, cmd_opcode);
+
+ /* Write data into the FIFO. */
+ for (i = 0; i < tx_len; i++) {
+ iowrite8(buf[i],
+ ((u8 __iomem *)amd_spi->io_remap_addr +
+ AMD_SPI_FIFO_BASE + i));
+ }
+
+ amd_spi_set_tx_count(master, tx_len);
+ amd_spi_clear_fifo_ptr(master);
+ /* Execute command */
+ amd_spi_execute_opcode(master);
+ }
+ if (m_cmd & AMD_SPI_XFER_RX) {
+ /*
+ * Store no. of bytes to be received from
+ * FIFO
+ */
+ rx_len = xfer->len;
+ buf = (u8 *)xfer->rx_buf;
+ amd_spi_set_rx_count(master, rx_len);
+ amd_spi_clear_fifo_ptr(master);
+ /* Execute command */
+ amd_spi_execute_opcode(master);
+ /* Read data from FIFO to receive buffer */
+ for (i = 0; i < rx_len; i++)
+ buf[i] = amd_spi_readreg8(master,
+ AMD_SPI_FIFO_BASE +
+ tx_len + i);
+ }
+ }
+
+ /* Update statistics */
+ message->actual_length = tx_len + rx_len + 1;
+ /* complete the transaction */
+ message->status = 0;
+ spi_finalize_current_message(master);
+
+ return 0;
+}
+
+static int amd_spi_master_transfer(struct spi_master *master,
+ struct spi_message *msg)
+{
+ struct amd_spi *amd_spi = spi_master_get_devdata(master);
+ struct spi_device *spi = msg->spi;
+
+ amd_spi->chip_select = spi->chip_select;
+ amd_spi_select_chip(master);
+
+ /*
+ * Extract spi_transfers from the spi message and
+ * program the controller.
+ */
+ amd_spi_fifo_xfer(amd_spi, master, msg);
+
+ return 0;
+}
+
+static int amd_spi_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct spi_master *master;
+ struct amd_spi *amd_spi;
+ struct resource *res;
+ int err = 0;
+
+ /* Allocate storage for spi_master and driver private data */
+ master = spi_alloc_master(dev, sizeof(struct amd_spi));
+ if (!master) {
+ dev_err(dev, "Error allocating SPI master\n");
+ return -ENOMEM;
+ }
+
+ amd_spi = spi_master_get_devdata(master);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ amd_spi->io_remap_addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(amd_spi->io_remap_addr)) {
+ err = PTR_ERR(amd_spi->io_remap_addr);
+ dev_err(dev, "error %d ioremap of SPI registers failed\n", err);
+ goto err_free_master;
+ }
+ dev_dbg(dev, "io_remap_address: %p\n", amd_spi->io_remap_addr);
+
+ /* Initialize the spi_master fields */
+ master->bus_num = 0;
+ master->num_chipselect = 4;
+ master->mode_bits = 0;
+ master->flags = SPI_MASTER_HALF_DUPLEX;
+ master->setup = amd_spi_master_setup;
+ master->transfer_one_message = amd_spi_master_transfer;
+
+ /* Register the controller with SPI framework */
+ err = devm_spi_register_master(dev, master);
+ if (err) {
+ dev_err(dev, "error %d registering SPI controller\n", err);
+ goto err_free_master;
+ }
+
+ return 0;
+
+err_free_master:
+ spi_master_put(master);
+
+ return err;
+}
+
+static const struct acpi_device_id spi_acpi_match[] = {
+ { "AMDI0061", 0 },
+ {},
+};
+MODULE_DEVICE_TABLE(acpi, spi_acpi_match);
+
+static struct platform_driver amd_spi_driver = {
+ .driver = {
+ .name = "amd_spi",
+ .acpi_match_table = ACPI_PTR(spi_acpi_match),
+ },
+ .probe = amd_spi_probe,
+};
+
+module_platform_driver(amd_spi_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Sanjay Mehta <sanju.mehta@amd.com>");
+MODULE_DESCRIPTION("AMD SPI Master Controller Driver");
diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c
index e450ee17787f..fcde419e480c 100644
--- a/drivers/spi/spi-armada-3700.c
+++ b/drivers/spi/spi-armada-3700.c
@@ -276,11 +276,11 @@ static int a3700_spi_fifo_flush(struct a3700_spi *a3700_spi)
return -ETIMEDOUT;
}
-static int a3700_spi_init(struct a3700_spi *a3700_spi)
+static void a3700_spi_init(struct a3700_spi *a3700_spi)
{
struct spi_master *master = a3700_spi->master;
u32 val;
- int i, ret = 0;
+ int i;
/* Reset SPI unit */
val = spireg_read(a3700_spi, A3700_SPI_IF_CFG_REG);
@@ -311,8 +311,6 @@ static int a3700_spi_init(struct a3700_spi *a3700_spi)
/* Mask the interrupts and clear cause bits */
spireg_write(a3700_spi, A3700_SPI_INT_MASK_REG, 0);
spireg_write(a3700_spi, A3700_SPI_INT_STAT_REG, ~0U);
-
- return ret;
}
static irqreturn_t a3700_spi_interrupt(int irq, void *dev_id)
@@ -886,9 +884,7 @@ static int a3700_spi_probe(struct platform_device *pdev)
master->min_speed_hz = DIV_ROUND_UP(clk_get_rate(spi->clk),
A3700_SPI_MAX_PRESCALE);
- ret = a3700_spi_init(spi);
- if (ret)
- goto error_clk;
+ a3700_spi_init(spi);
ret = devm_request_irq(dev, spi->irq, a3700_spi_interrupt, 0,
dev_name(dev), master);
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 013458cabe3c..57ee8c3b7972 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -706,6 +706,7 @@ static void atmel_spi_next_xfer_pio(struct spi_master *master,
static int atmel_spi_next_xfer_dma_submit(struct spi_master *master,
struct spi_transfer *xfer,
u32 *plen)
+ __must_hold(&as->lock)
{
struct atmel_spi *as = spi_master_get_devdata(master);
struct dma_chan *rxchan = master->dma_rx;
diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c
index eb9b78a90dcf..af86e6d6e16b 100644
--- a/drivers/spi/spi-axi-spi-engine.c
+++ b/drivers/spi/spi-axi-spi-engine.c
@@ -489,22 +489,6 @@ static int spi_engine_probe(struct platform_device *pdev)
spin_lock_init(&spi_engine->lock);
- spi_engine->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(spi_engine->base)) {
- ret = PTR_ERR(spi_engine->base);
- goto err_put_master;
- }
-
- version = readl(spi_engine->base + SPI_ENGINE_REG_VERSION);
- if (SPI_ENGINE_VERSION_MAJOR(version) != 1) {
- dev_err(&pdev->dev, "Unsupported peripheral version %u.%u.%c\n",
- SPI_ENGINE_VERSION_MAJOR(version),
- SPI_ENGINE_VERSION_MINOR(version),
- SPI_ENGINE_VERSION_PATCH(version));
- ret = -ENODEV;
- goto err_put_master;
- }
-
spi_engine->clk = devm_clk_get(&pdev->dev, "s_axi_aclk");
if (IS_ERR(spi_engine->clk)) {
ret = PTR_ERR(spi_engine->clk);
@@ -525,6 +509,22 @@ static int spi_engine_probe(struct platform_device *pdev)
if (ret)
goto err_clk_disable;
+ spi_engine->base = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(spi_engine->base)) {
+ ret = PTR_ERR(spi_engine->base);
+ goto err_ref_clk_disable;
+ }
+
+ version = readl(spi_engine->base + SPI_ENGINE_REG_VERSION);
+ if (SPI_ENGINE_VERSION_MAJOR(version) != 1) {
+ dev_err(&pdev->dev, "Unsupported peripheral version %u.%u.%c\n",
+ SPI_ENGINE_VERSION_MAJOR(version),
+ SPI_ENGINE_VERSION_MINOR(version),
+ SPI_ENGINE_VERSION_PATCH(version));
+ ret = -ENODEV;
+ goto err_ref_clk_disable;
+ }
+
writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_RESET);
writel_relaxed(0xff, spi_engine->base + SPI_ENGINE_REG_INT_PENDING);
writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_INT_ENABLE);
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index 23d295f36c80..681d09085175 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -91,6 +91,7 @@
#define MSPI_MSPI_STATUS 0x020
#define MSPI_CPTQP 0x024
#define MSPI_SPCR3 0x028
+#define MSPI_REV 0x02c
#define MSPI_TXRAM 0x040
#define MSPI_RXRAM 0x0c0
#define MSPI_CDRAM 0x140
@@ -106,14 +107,22 @@
#define MSPI_SPCR2_SPE BIT(6)
#define MSPI_SPCR2_CONT_AFTER_CMD BIT(7)
+#define MSPI_SPCR3_FASTBR BIT(0)
+#define MSPI_SPCR3_FASTDT BIT(1)
+#define MSPI_SPCR3_SYSCLKSEL_MASK GENMASK(11, 10)
+#define MSPI_SPCR3_SYSCLKSEL_27 (MSPI_SPCR3_SYSCLKSEL_MASK & \
+ ~(BIT(10) | BIT(11)))
+#define MSPI_SPCR3_SYSCLKSEL_108 (MSPI_SPCR3_SYSCLKSEL_MASK & \
+ BIT(11))
+
#define MSPI_MSPI_STATUS_SPIF BIT(0)
#define INTR_BASE_BIT_SHIFT 0x02
#define INTR_COUNT 0x07
#define NUM_CHIPSELECT 4
-#define QSPI_SPBR_MIN 8U
#define QSPI_SPBR_MAX 255U
+#define MSPI_BASE_FREQ 27000000UL
#define OPCODE_DIOR 0xBB
#define OPCODE_QIOR 0xEB
@@ -217,6 +226,9 @@ struct bcm_qspi {
struct bcm_qspi_dev_id *dev_ids;
struct completion mspi_done;
struct completion bspi_done;
+ u8 mspi_maj_rev;
+ u8 mspi_min_rev;
+ bool mspi_spcr3_sysclk;
};
static inline bool has_bspi(struct bcm_qspi *qspi)
@@ -224,6 +236,36 @@ static inline bool has_bspi(struct bcm_qspi *qspi)
return qspi->bspi_mode;
}
+/* hardware supports spcr3 and fast baud-rate */
+static inline bool bcm_qspi_has_fastbr(struct bcm_qspi *qspi)
+{
+ if (!has_bspi(qspi) &&
+ ((qspi->mspi_maj_rev >= 1) &&
+ (qspi->mspi_min_rev >= 5)))
+ return true;
+
+ return false;
+}
+
+/* hardware supports sys clk 108Mhz */
+static inline bool bcm_qspi_has_sysclk_108(struct bcm_qspi *qspi)
+{
+ if (!has_bspi(qspi) && (qspi->mspi_spcr3_sysclk ||
+ ((qspi->mspi_maj_rev >= 1) &&
+ (qspi->mspi_min_rev >= 6))))
+ return true;
+
+ return false;
+}
+
+static inline int bcm_qspi_spbr_min(struct bcm_qspi *qspi)
+{
+ if (bcm_qspi_has_fastbr(qspi))
+ return 1;
+ else
+ return 8;
+}
+
/* Read qspi controller register*/
static inline u32 bcm_qspi_read(struct bcm_qspi *qspi, enum base_type type,
unsigned int offset)
@@ -531,16 +573,39 @@ static void bcm_qspi_hw_set_parms(struct bcm_qspi *qspi,
if (xp->speed_hz)
spbr = qspi->base_clk / (2 * xp->speed_hz);
- spcr = clamp_val(spbr, QSPI_SPBR_MIN, QSPI_SPBR_MAX);
+ spcr = clamp_val(spbr, bcm_qspi_spbr_min(qspi), QSPI_SPBR_MAX);
bcm_qspi_write(qspi, MSPI, MSPI_SPCR0_LSB, spcr);
- spcr = MSPI_MASTER_BIT;
+ if (!qspi->mspi_maj_rev)
+ /* legacy controller */
+ spcr = MSPI_MASTER_BIT;
+ else
+ spcr = 0;
+
/* for 16 bit the data should be zero */
if (xp->bits_per_word != 16)
spcr |= xp->bits_per_word << 2;
spcr |= xp->mode & 3;
+
bcm_qspi_write(qspi, MSPI, MSPI_SPCR0_MSB, spcr);
+ if (bcm_qspi_has_fastbr(qspi)) {
+ spcr = 0;
+
+ /* enable fastbr */
+ spcr |= MSPI_SPCR3_FASTBR;
+
+ if (bcm_qspi_has_sysclk_108(qspi)) {
+ /* SYSCLK_108 */
+ spcr |= MSPI_SPCR3_SYSCLKSEL_108;
+ qspi->base_clk = MSPI_BASE_FREQ * 4;
+ /* Change spbr as we changed sysclk */
+ bcm_qspi_write(qspi, MSPI, MSPI_SPCR0_LSB, 4);
+ }
+
+ bcm_qspi_write(qspi, MSPI, MSPI_SPCR3, spcr);
+ }
+
qspi->last_parms = *xp;
}
@@ -612,19 +677,15 @@ static int update_qspi_trans_byte_count(struct bcm_qspi *qspi,
if (qt->trans->cs_change &&
(flags & TRANS_STATUS_BREAK_CS_CHANGE))
ret |= TRANS_STATUS_BREAK_CS_CHANGE;
- if (ret)
- goto done;
- dev_dbg(&qspi->pdev->dev, "advance msg exit\n");
if (bcm_qspi_mspi_transfer_is_last(qspi, qt))
- ret = TRANS_STATUS_BREAK_EOM;
+ ret |= TRANS_STATUS_BREAK_EOM;
else
- ret = TRANS_STATUS_BREAK_NO_BYTES;
+ ret |= TRANS_STATUS_BREAK_NO_BYTES;
qt->trans = NULL;
}
-done:
dev_dbg(&qspi->pdev->dev, "trans %p len %d byte %d ret %x\n",
qt->trans, qt->trans ? qt->trans->len : 0, qt->byte, ret);
return ret;
@@ -670,7 +731,7 @@ static void read_from_hw(struct bcm_qspi *qspi, int slots)
if (buf)
buf[tp.byte] = read_rxram_slot_u8(qspi, slot);
dev_dbg(&qspi->pdev->dev, "RD %02x\n",
- buf ? buf[tp.byte] : 0xff);
+ buf ? buf[tp.byte] : 0x0);
} else {
u16 *buf = tp.trans->rx_buf;
@@ -678,7 +739,7 @@ static void read_from_hw(struct bcm_qspi *qspi, int slots)
buf[tp.byte / 2] = read_rxram_slot_u16(qspi,
slot);
dev_dbg(&qspi->pdev->dev, "RD %04x\n",
- buf ? buf[tp.byte] : 0xffff);
+ buf ? buf[tp.byte / 2] : 0x0);
}
update_qspi_trans_byte_count(qspi, &tp,
@@ -733,13 +794,13 @@ static int write_to_hw(struct bcm_qspi *qspi, struct spi_device *spi)
while (!tstatus && slot < MSPI_NUM_CDRAM) {
if (tp.trans->bits_per_word <= 8) {
const u8 *buf = tp.trans->tx_buf;
- u8 val = buf ? buf[tp.byte] : 0xff;
+ u8 val = buf ? buf[tp.byte] : 0x00;
write_txram_slot_u8(qspi, slot, val);
dev_dbg(&qspi->pdev->dev, "WR %02x\n", val);
} else {
const u16 *buf = tp.trans->tx_buf;
- u16 val = buf ? buf[tp.byte / 2] : 0xffff;
+ u16 val = buf ? buf[tp.byte / 2] : 0x0000;
write_txram_slot_u16(qspi, slot, val);
dev_dbg(&qspi->pdev->dev, "WR %04x\n", val);
@@ -771,7 +832,16 @@ static int write_to_hw(struct bcm_qspi *qspi, struct spi_device *spi)
bcm_qspi_write(qspi, MSPI, MSPI_NEWQP, 0);
bcm_qspi_write(qspi, MSPI, MSPI_ENDQP, slot - 1);
- if (tstatus & TRANS_STATUS_BREAK_DESELECT) {
+ /*
+ * case 1) EOM =1, cs_change =0: SSb inactive
+ * case 2) EOM =1, cs_change =1: SSb stay active
+ * case 3) EOM =0, cs_change =0: SSb stay active
+ * case 4) EOM =0, cs_change =1: SSb inactive
+ */
+ if (((tstatus & TRANS_STATUS_BREAK_DESELECT)
+ == TRANS_STATUS_BREAK_CS_CHANGE) ||
+ ((tstatus & TRANS_STATUS_BREAK_DESELECT)
+ == TRANS_STATUS_BREAK_EOM)) {
mspi_cdram = read_cdram_slot(qspi, slot - 1) &
~MSPI_CDRAM_CONT_BIT;
write_cdram_slot(qspi, slot - 1, mspi_cdram);
@@ -1190,8 +1260,51 @@ static const struct spi_controller_mem_ops bcm_qspi_mem_ops = {
.exec_op = bcm_qspi_exec_mem_op,
};
+struct bcm_qspi_data {
+ bool has_mspi_rev;
+ bool has_spcr3_sysclk;
+};
+
+static const struct bcm_qspi_data bcm_qspi_no_rev_data = {
+ .has_mspi_rev = false,
+ .has_spcr3_sysclk = false,
+};
+
+static const struct bcm_qspi_data bcm_qspi_rev_data = {
+ .has_mspi_rev = true,
+ .has_spcr3_sysclk = false,
+};
+
+static const struct bcm_qspi_data bcm_qspi_spcr3_data = {
+ .has_mspi_rev = true,
+ .has_spcr3_sysclk = true,
+};
+
static const struct of_device_id bcm_qspi_of_match[] = {
- { .compatible = "brcm,spi-bcm-qspi" },
+ {
+ .compatible = "brcm,spi-bcm7425-qspi",
+ .data = &bcm_qspi_no_rev_data,
+ },
+ {
+ .compatible = "brcm,spi-bcm7429-qspi",
+ .data = &bcm_qspi_no_rev_data,
+ },
+ {
+ .compatible = "brcm,spi-bcm7435-qspi",
+ .data = &bcm_qspi_no_rev_data,
+ },
+ {
+ .compatible = "brcm,spi-bcm-qspi",
+ .data = &bcm_qspi_rev_data,
+ },
+ {
+ .compatible = "brcm,spi-bcm7216-qspi",
+ .data = &bcm_qspi_spcr3_data,
+ },
+ {
+ .compatible = "brcm,spi-bcm7278-qspi",
+ .data = &bcm_qspi_spcr3_data,
+ },
{},
};
MODULE_DEVICE_TABLE(of, bcm_qspi_of_match);
@@ -1199,12 +1312,15 @@ MODULE_DEVICE_TABLE(of, bcm_qspi_of_match);
int bcm_qspi_probe(struct platform_device *pdev,
struct bcm_qspi_soc_intc *soc_intc)
{
+ const struct of_device_id *of_id = NULL;
+ const struct bcm_qspi_data *data;
struct device *dev = &pdev->dev;
struct bcm_qspi *qspi;
struct spi_master *master;
struct resource *res;
int irq, ret = 0, num_ints = 0;
u32 val;
+ u32 rev = 0;
const char *name = NULL;
int num_irqs = ARRAY_SIZE(qspi_irq_tab);
@@ -1212,9 +1328,12 @@ int bcm_qspi_probe(struct platform_device *pdev,
if (!dev->of_node)
return -ENODEV;
- if (!of_match_node(bcm_qspi_of_match, dev->of_node))
+ of_id = of_match_node(bcm_qspi_of_match, dev->of_node);
+ if (!of_id)
return -ENODEV;
+ data = of_id->data;
+
master = spi_alloc_master(dev, sizeof(struct bcm_qspi));
if (!master) {
dev_err(dev, "error allocating spi_master\n");
@@ -1222,6 +1341,11 @@ int bcm_qspi_probe(struct platform_device *pdev,
}
qspi = spi_master_get_devdata(master);
+
+ qspi->clk = devm_clk_get_optional(&pdev->dev, NULL);
+ if (IS_ERR(qspi->clk))
+ return PTR_ERR(qspi->clk);
+
qspi->pdev = pdev;
qspi->trans_pos.trans = NULL;
qspi->trans_pos.byte = 0;
@@ -1335,13 +1459,6 @@ int bcm_qspi_probe(struct platform_device *pdev,
qspi->soc_intc = NULL;
}
- qspi->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(qspi->clk)) {
- dev_warn(dev, "unable to get clock\n");
- ret = PTR_ERR(qspi->clk);
- goto qspi_probe_err;
- }
-
ret = clk_prepare_enable(qspi->clk);
if (ret) {
dev_err(dev, "failed to prepare clock\n");
@@ -1349,7 +1466,19 @@ int bcm_qspi_probe(struct platform_device *pdev,
}
qspi->base_clk = clk_get_rate(qspi->clk);
- qspi->max_speed_hz = qspi->base_clk / (QSPI_SPBR_MIN * 2);
+
+ if (data->has_mspi_rev) {
+ rev = bcm_qspi_read(qspi, MSPI, MSPI_REV);
+ /* some older revs do not have a MSPI_REV register */
+ if ((rev & 0xff) == 0xff)
+ rev = 0;
+ }
+
+ qspi->mspi_maj_rev = (rev >> 4) & 0xf;
+ qspi->mspi_min_rev = rev & 0xf;
+ qspi->mspi_spcr3_sysclk = data->has_spcr3_sysclk;
+
+ qspi->max_speed_hz = qspi->base_clk / (bcm_qspi_spbr_min(qspi) * 2);
bcm_qspi_hw_init(qspi);
init_completion(&qspi->mspi_done);
@@ -1406,7 +1535,7 @@ static int __maybe_unused bcm_qspi_suspend(struct device *dev)
bcm_qspi_read(qspi, BSPI, BSPI_STRAP_OVERRIDE_CTRL);
spi_master_suspend(qspi->master);
- clk_disable(qspi->clk);
+ clk_disable_unprepare(qspi->clk);
bcm_qspi_hw_uninit(qspi);
return 0;
@@ -1424,7 +1553,7 @@ static int __maybe_unused bcm_qspi_resume(struct device *dev)
qspi->soc_intc->bcm_qspi_int_set(qspi->soc_intc, MSPI_DONE,
true);
- ret = clk_enable(qspi->clk);
+ ret = clk_prepare_enable(qspi->clk);
if (!ret)
spi_master_resume(qspi->master);
diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
index 11c235879bb7..237bd306c268 100644
--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -191,12 +191,12 @@ static void bcm2835_debugfs_remove(struct bcm2835_spi *bs)
}
#endif /* CONFIG_DEBUG_FS */
-static inline u32 bcm2835_rd(struct bcm2835_spi *bs, unsigned reg)
+static inline u32 bcm2835_rd(struct bcm2835_spi *bs, unsigned int reg)
{
return readl(bs->regs + reg);
}
-static inline void bcm2835_wr(struct bcm2835_spi *bs, unsigned reg, u32 val)
+static inline void bcm2835_wr(struct bcm2835_spi *bs, unsigned int reg, u32 val)
{
writel(val, bs->regs + reg);
}
@@ -940,6 +940,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev,
if (dma_mapping_error(ctlr->dma_tx->device->dev, bs->fill_tx_addr)) {
dev_err(dev, "cannot map zero page - not using DMA mode\n");
bs->fill_tx_addr = 0;
+ ret = -ENOMEM;
goto err_release;
}
@@ -949,6 +950,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev,
DMA_MEM_TO_DEV, 0);
if (!bs->fill_tx_desc) {
dev_err(dev, "cannot prepare fill_tx_desc - not using DMA mode\n");
+ ret = -ENOMEM;
goto err_release;
}
@@ -979,6 +981,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev,
if (dma_mapping_error(ctlr->dma_rx->device->dev, bs->clear_rx_addr)) {
dev_err(dev, "cannot map clear_rx_cs - not using DMA mode\n");
bs->clear_rx_addr = 0;
+ ret = -ENOMEM;
goto err_release;
}
@@ -989,6 +992,7 @@ static int bcm2835_dma_init(struct spi_controller *ctlr, struct device *dev,
DMA_MEM_TO_DEV, 0);
if (!bs->clear_rx_desc[i]) {
dev_err(dev, "cannot prepare clear_rx_desc - not using DMA mode\n");
+ ret = -ENOMEM;
goto err_release;
}
@@ -1347,7 +1351,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
goto out_dma_release;
}
- err = devm_spi_register_controller(&pdev->dev, ctlr);
+ err = spi_register_controller(ctlr);
if (err) {
dev_err(&pdev->dev, "could not register SPI controller: %d\n",
err);
@@ -1374,17 +1378,28 @@ static int bcm2835_spi_remove(struct platform_device *pdev)
bcm2835_debugfs_remove(bs);
+ spi_unregister_controller(ctlr);
+
+ bcm2835_dma_release(ctlr, bs);
+
/* Clear FIFOs, and disable the HW block */
bcm2835_wr(bs, BCM2835_SPI_CS,
BCM2835_SPI_CS_CLEAR_RX | BCM2835_SPI_CS_CLEAR_TX);
clk_disable_unprepare(bs->clk);
- bcm2835_dma_release(ctlr, bs);
-
return 0;
}
+static void bcm2835_spi_shutdown(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = bcm2835_spi_remove(pdev);
+ if (ret)
+ dev_err(&pdev->dev, "failed to shutdown\n");
+}
+
static const struct of_device_id bcm2835_spi_match[] = {
{ .compatible = "brcm,bcm2835-spi", },
{}
@@ -1398,6 +1413,7 @@ static struct platform_driver bcm2835_spi_driver = {
},
.probe = bcm2835_spi_probe,
.remove = bcm2835_spi_remove,
+ .shutdown = bcm2835_spi_shutdown,
};
module_platform_driver(bcm2835_spi_driver);
diff --git a/drivers/spi/spi-bcm2835aux.c b/drivers/spi/spi-bcm2835aux.c
index a2162ff56a12..c331efd6e86b 100644
--- a/drivers/spi/spi-bcm2835aux.c
+++ b/drivers/spi/spi-bcm2835aux.c
@@ -569,7 +569,7 @@ static int bcm2835aux_spi_probe(struct platform_device *pdev)
goto out_clk_disable;
}
- err = devm_spi_register_master(&pdev->dev, master);
+ err = spi_register_master(master);
if (err) {
dev_err(&pdev->dev, "could not register SPI master: %d\n", err);
goto out_clk_disable;
@@ -593,6 +593,8 @@ static int bcm2835aux_spi_remove(struct platform_device *pdev)
bcm2835aux_debugfs_remove(bs);
+ spi_unregister_master(master);
+
bcm2835aux_spi_reset_hw(bs);
/* disable the HW block by releasing the clock */
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw-core.c
index 31e3f866d11a..323c66c5db50 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw-core.c
@@ -24,74 +24,34 @@ struct chip_data {
u8 tmode; /* TR/TO/RO/EEPROM */
u8 type; /* SPI/SSP/MicroWire */
- u8 poll_mode; /* 1 means use poll mode */
-
u16 clk_div; /* baud rate divider */
u32 speed_hz; /* baud rate */
- void (*cs_control)(u32 command);
};
#ifdef CONFIG_DEBUG_FS
-#define SPI_REGS_BUFSIZE 1024
-static ssize_t dw_spi_show_regs(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct dw_spi *dws = file->private_data;
- char *buf;
- u32 len = 0;
- ssize_t ret;
-
- buf = kzalloc(SPI_REGS_BUFSIZE, GFP_KERNEL);
- if (!buf)
- return 0;
-
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "%s registers:\n", dev_name(&dws->master->dev));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "=================================\n");
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "CTRL0: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL0));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "CTRL1: \t\t0x%08x\n", dw_readl(dws, DW_SPI_CTRL1));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SSIENR: \t0x%08x\n", dw_readl(dws, DW_SPI_SSIENR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SER: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SER));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "BAUDR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_BAUDR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "TXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_TXFLTR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "RXFTLR: \t0x%08x\n", dw_readl(dws, DW_SPI_RXFLTR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "TXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_TXFLR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "RXFLR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_RXFLR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "SR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_SR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "IMR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_IMR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "ISR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_ISR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMACR: \t\t0x%08x\n", dw_readl(dws, DW_SPI_DMACR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMATDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMATDLR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "DMARDLR: \t0x%08x\n", dw_readl(dws, DW_SPI_DMARDLR));
- len += scnprintf(buf + len, SPI_REGS_BUFSIZE - len,
- "=================================\n");
-
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, len);
- kfree(buf);
- return ret;
+
+#define DW_SPI_DBGFS_REG(_name, _off) \
+{ \
+ .name = _name, \
+ .offset = _off, \
}
-static const struct file_operations dw_spi_regs_ops = {
- .owner = THIS_MODULE,
- .open = simple_open,
- .read = dw_spi_show_regs,
- .llseek = default_llseek,
+static const struct debugfs_reg32 dw_spi_dbgfs_regs[] = {
+ DW_SPI_DBGFS_REG("CTRLR0", DW_SPI_CTRLR0),
+ DW_SPI_DBGFS_REG("CTRLR1", DW_SPI_CTRLR1),
+ DW_SPI_DBGFS_REG("SSIENR", DW_SPI_SSIENR),
+ DW_SPI_DBGFS_REG("SER", DW_SPI_SER),
+ DW_SPI_DBGFS_REG("BAUDR", DW_SPI_BAUDR),
+ DW_SPI_DBGFS_REG("TXFTLR", DW_SPI_TXFTLR),
+ DW_SPI_DBGFS_REG("RXFTLR", DW_SPI_RXFTLR),
+ DW_SPI_DBGFS_REG("TXFLR", DW_SPI_TXFLR),
+ DW_SPI_DBGFS_REG("RXFLR", DW_SPI_RXFLR),
+ DW_SPI_DBGFS_REG("SR", DW_SPI_SR),
+ DW_SPI_DBGFS_REG("IMR", DW_SPI_IMR),
+ DW_SPI_DBGFS_REG("ISR", DW_SPI_ISR),
+ DW_SPI_DBGFS_REG("DMACR", DW_SPI_DMACR),
+ DW_SPI_DBGFS_REG("DMATDLR", DW_SPI_DMATDLR),
+ DW_SPI_DBGFS_REG("DMARDLR", DW_SPI_DMARDLR),
};
static int dw_spi_debugfs_init(struct dw_spi *dws)
@@ -103,8 +63,11 @@ static int dw_spi_debugfs_init(struct dw_spi *dws)
if (!dws->debugfs)
return -ENOMEM;
- debugfs_create_file("registers", S_IFREG | S_IRUGO,
- dws->debugfs, (void *)dws, &dw_spi_regs_ops);
+ dws->regset.regs = dw_spi_dbgfs_regs;
+ dws->regset.nregs = ARRAY_SIZE(dw_spi_dbgfs_regs);
+ dws->regset.base = dws->regs;
+ debugfs_create_regset32("registers", 0400, dws->debugfs, &dws->regset);
+
return 0;
}
@@ -127,13 +90,16 @@ static inline void dw_spi_debugfs_remove(struct dw_spi *dws)
void dw_spi_set_cs(struct spi_device *spi, bool enable)
{
struct dw_spi *dws = spi_controller_get_devdata(spi->controller);
- struct chip_data *chip = spi_get_ctldata(spi);
-
- /* Chip select logic is inverted from spi_set_cs() */
- if (chip && chip->cs_control)
- chip->cs_control(!enable);
+ bool cs_high = !!(spi->mode & SPI_CS_HIGH);
- if (!enable)
+ /*
+ * DW SPI controller demands any native CS being set in order to
+ * proceed with data transfer. So in order to activate the SPI
+ * communications we must set a corresponding bit in the Slave
+ * Enable register no matter whether the SPI core is configured to
+ * support active-high or active-low CS level.
+ */
+ if (cs_high == enable)
dw_writel(dws, DW_SPI_SER, BIT(spi->chip_select));
else if (dws->cs_override)
dw_writel(dws, DW_SPI_SER, 0);
@@ -265,17 +231,56 @@ static irqreturn_t dw_spi_irq(int irq, void *dev_id)
return dws->transfer_handler(dws);
}
-/* Must be called inside pump_transfers() */
-static int poll_transfer(struct dw_spi *dws)
+/* Configure CTRLR0 for DW_apb_ssi */
+u32 dw_spi_update_cr0(struct spi_controller *master, struct spi_device *spi,
+ struct spi_transfer *transfer)
{
- do {
- dw_writer(dws);
- dw_reader(dws);
- cpu_relax();
- } while (dws->rx_end > dws->rx);
+ struct chip_data *chip = spi_get_ctldata(spi);
+ u32 cr0;
- return 0;
+ /* Default SPI mode is SCPOL = 0, SCPH = 0 */
+ cr0 = (transfer->bits_per_word - 1)
+ | (chip->type << SPI_FRF_OFFSET)
+ | ((((spi->mode & SPI_CPOL) ? 1 : 0) << SPI_SCOL_OFFSET) |
+ (((spi->mode & SPI_CPHA) ? 1 : 0) << SPI_SCPH_OFFSET) |
+ (((spi->mode & SPI_LOOP) ? 1 : 0) << SPI_SRL_OFFSET))
+ | (chip->tmode << SPI_TMOD_OFFSET);
+
+ return cr0;
+}
+EXPORT_SYMBOL_GPL(dw_spi_update_cr0);
+
+/* Configure CTRLR0 for DWC_ssi */
+u32 dw_spi_update_cr0_v1_01a(struct spi_controller *master,
+ struct spi_device *spi,
+ struct spi_transfer *transfer)
+{
+ struct chip_data *chip = spi_get_ctldata(spi);
+ u32 cr0;
+
+ /* CTRLR0[ 4: 0] Data Frame Size */
+ cr0 = (transfer->bits_per_word - 1);
+
+ /* CTRLR0[ 7: 6] Frame Format */
+ cr0 |= chip->type << DWC_SSI_CTRLR0_FRF_OFFSET;
+
+ /*
+ * SPI mode (SCPOL|SCPH)
+ * CTRLR0[ 8] Serial Clock Phase
+ * CTRLR0[ 9] Serial Clock Polarity
+ */
+ cr0 |= ((spi->mode & SPI_CPOL) ? 1 : 0) << DWC_SSI_CTRLR0_SCPOL_OFFSET;
+ cr0 |= ((spi->mode & SPI_CPHA) ? 1 : 0) << DWC_SSI_CTRLR0_SCPH_OFFSET;
+
+ /* CTRLR0[11:10] Transfer Mode */
+ cr0 |= chip->tmode << DWC_SSI_CTRLR0_TMOD_OFFSET;
+
+ /* CTRLR0[13] Shift Register Loop */
+ cr0 |= ((spi->mode & SPI_LOOP) ? 1 : 0) << DWC_SSI_CTRLR0_SRL_OFFSET;
+
+ return cr0;
}
+EXPORT_SYMBOL_GPL(dw_spi_update_cr0_v1_01a);
static int dw_spi_transfer_one(struct spi_controller *master,
struct spi_device *spi, struct spi_transfer *transfer)
@@ -313,34 +318,11 @@ static int dw_spi_transfer_one(struct spi_controller *master,
spi_set_clk(dws, chip->clk_div);
}
+ transfer->effective_speed_hz = dws->max_freq / chip->clk_div;
dws->n_bytes = DIV_ROUND_UP(transfer->bits_per_word, BITS_PER_BYTE);
- dws->dma_width = DIV_ROUND_UP(transfer->bits_per_word, BITS_PER_BYTE);
-
- /* Default SPI mode is SCPOL = 0, SCPH = 0 */
- cr0 = (transfer->bits_per_word - 1)
- | (chip->type << SPI_FRF_OFFSET)
- | ((((spi->mode & SPI_CPOL) ? 1 : 0) << SPI_SCOL_OFFSET) |
- (((spi->mode & SPI_CPHA) ? 1 : 0) << SPI_SCPH_OFFSET) |
- (((spi->mode & SPI_LOOP) ? 1 : 0) << SPI_SRL_OFFSET))
- | (chip->tmode << SPI_TMOD_OFFSET);
- /*
- * Adjust transfer mode if necessary. Requires platform dependent
- * chipselect mechanism.
- */
- if (chip->cs_control) {
- if (dws->rx && dws->tx)
- chip->tmode = SPI_TMOD_TR;
- else if (dws->rx)
- chip->tmode = SPI_TMOD_RO;
- else
- chip->tmode = SPI_TMOD_TO;
-
- cr0 &= ~SPI_TMOD_MASK;
- cr0 |= (chip->tmode << SPI_TMOD_OFFSET);
- }
-
- dw_writel(dws, DW_SPI_CTRL0, cr0);
+ cr0 = dws->update_cr0(master, spi, transfer);
+ dw_writel(dws, DW_SPI_CTRLR0, cr0);
/* Check if current transfer is a DMA transaction */
if (master->can_dma && master->can_dma(master, spi, transfer))
@@ -359,9 +341,9 @@ static int dw_spi_transfer_one(struct spi_controller *master,
spi_enable_chip(dws, 1);
return ret;
}
- } else if (!chip->poll_mode) {
+ } else {
txlevel = min_t(u16, dws->fifo_len / 2, dws->len / dws->n_bytes);
- dw_writel(dws, DW_SPI_TXFLTR, txlevel);
+ dw_writel(dws, DW_SPI_TXFTLR, txlevel);
/* Set the interrupt mask */
imask |= SPI_INT_TXEI | SPI_INT_TXOI |
@@ -373,14 +355,8 @@ static int dw_spi_transfer_one(struct spi_controller *master,
spi_enable_chip(dws, 1);
- if (dws->dma_mapped) {
- ret = dws->dma_ops->dma_transfer(dws, transfer);
- if (ret < 0)
- return ret;
- }
-
- if (chip->poll_mode)
- return poll_transfer(dws);
+ if (dws->dma_mapped)
+ return dws->dma_ops->dma_transfer(dws, transfer);
return 1;
}
@@ -399,7 +375,6 @@ static void dw_spi_handle_err(struct spi_controller *master,
/* This may be called twice for each spi dev */
static int dw_spi_setup(struct spi_device *spi)
{
- struct dw_spi_chip *chip_info = NULL;
struct chip_data *chip;
/* Only alloc on first setup */
@@ -411,21 +386,6 @@ static int dw_spi_setup(struct spi_device *spi)
spi_set_ctldata(spi, chip);
}
- /*
- * Protocol drivers may change the chip settings, so...
- * if chip_info exists, use it
- */
- chip_info = spi->controller_data;
-
- /* chip_info doesn't always exist */
- if (chip_info) {
- if (chip_info->cs_control)
- chip->cs_control = chip_info->cs_control;
-
- chip->poll_mode = chip_info->poll_mode;
- chip->type = chip_info->type;
- }
-
chip->tmode = SPI_TMOD_TR;
return 0;
@@ -452,11 +412,11 @@ static void spi_hw_init(struct device *dev, struct dw_spi *dws)
u32 fifo;
for (fifo = 1; fifo < 256; fifo++) {
- dw_writel(dws, DW_SPI_TXFLTR, fifo);
- if (fifo != dw_readl(dws, DW_SPI_TXFLTR))
+ dw_writel(dws, DW_SPI_TXFTLR, fifo);
+ if (fifo != dw_readl(dws, DW_SPI_TXFTLR))
break;
}
- dw_writel(dws, DW_SPI_TXFLTR, 0);
+ dw_writel(dws, DW_SPI_TXFTLR, 0);
dws->fifo_len = (fifo == 1) ? 0 : fifo;
dev_dbg(dev, "Detected FIFO size: %u bytes\n", dws->fifo_len);
@@ -481,7 +441,6 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
dws->master = master;
dws->type = SSI_MOTO_SPI;
- dws->dma_inited = 0;
dws->dma_addr = (dma_addr_t)(dws->paddr + DW_SPI_DR);
spin_lock_init(&dws->buf_lock);
@@ -517,16 +476,16 @@ int dw_spi_add_host(struct device *dev, struct dw_spi *dws)
spi_hw_init(dev, dws);
if (dws->dma_ops && dws->dma_ops->dma_init) {
- ret = dws->dma_ops->dma_init(dws);
+ ret = dws->dma_ops->dma_init(dev, dws);
if (ret) {
dev_warn(dev, "DMA init failed\n");
- dws->dma_inited = 0;
} else {
master->can_dma = dws->dma_ops->can_dma;
+ master->flags |= SPI_CONTROLLER_MUST_TX;
}
}
- ret = devm_spi_register_controller(dev, master);
+ ret = spi_register_controller(master);
if (ret) {
dev_err(&master->dev, "problem registering spi master\n");
goto err_dma_exit;
@@ -550,6 +509,8 @@ void dw_spi_remove_host(struct dw_spi *dws)
{
dw_spi_debugfs_remove(dws);
+ spi_unregister_controller(dws->master);
+
if (dws->dma_ops && dws->dma_ops->dma_exit)
dws->dma_ops->dma_exit(dws);
diff --git a/drivers/spi/spi-dw-dma.c b/drivers/spi/spi-dw-dma.c
new file mode 100644
index 000000000000..5986c520b196
--- /dev/null
+++ b/drivers/spi/spi-dw-dma.c
@@ -0,0 +1,480 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Special handling for DW DMA core
+ *
+ * Copyright (c) 2009, 2014 Intel Corporation.
+ */
+
+#include <linux/completion.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmaengine.h>
+#include <linux/irqreturn.h>
+#include <linux/jiffies.h>
+#include <linux/pci.h>
+#include <linux/platform_data/dma-dw.h>
+#include <linux/spi/spi.h>
+#include <linux/types.h>
+
+#include "spi-dw.h"
+
+#define WAIT_RETRIES 5
+#define RX_BUSY 0
+#define RX_BURST_LEVEL 16
+#define TX_BUSY 1
+#define TX_BURST_LEVEL 16
+
+static bool dw_spi_dma_chan_filter(struct dma_chan *chan, void *param)
+{
+ struct dw_dma_slave *s = param;
+
+ if (s->dma_dev != chan->device->dev)
+ return false;
+
+ chan->private = s;
+ return true;
+}
+
+static void dw_spi_dma_maxburst_init(struct dw_spi *dws)
+{
+ struct dma_slave_caps caps;
+ u32 max_burst, def_burst;
+ int ret;
+
+ def_burst = dws->fifo_len / 2;
+
+ ret = dma_get_slave_caps(dws->rxchan, &caps);
+ if (!ret && caps.max_burst)
+ max_burst = caps.max_burst;
+ else
+ max_burst = RX_BURST_LEVEL;
+
+ dws->rxburst = min(max_burst, def_burst);
+
+ ret = dma_get_slave_caps(dws->txchan, &caps);
+ if (!ret && caps.max_burst)
+ max_burst = caps.max_burst;
+ else
+ max_burst = TX_BURST_LEVEL;
+
+ dws->txburst = min(max_burst, def_burst);
+}
+
+static int dw_spi_dma_init_mfld(struct device *dev, struct dw_spi *dws)
+{
+ struct dw_dma_slave dma_tx = { .dst_id = 1 }, *tx = &dma_tx;
+ struct dw_dma_slave dma_rx = { .src_id = 0 }, *rx = &dma_rx;
+ struct pci_dev *dma_dev;
+ dma_cap_mask_t mask;
+
+ /*
+ * Get pci device for DMA controller, currently it could only
+ * be the DMA controller of Medfield
+ */
+ dma_dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x0827, NULL);
+ if (!dma_dev)
+ return -ENODEV;
+
+ dma_cap_zero(mask);
+ dma_cap_set(DMA_SLAVE, mask);
+
+ /* 1. Init rx channel */
+ rx->dma_dev = &dma_dev->dev;
+ dws->rxchan = dma_request_channel(mask, dw_spi_dma_chan_filter, rx);
+ if (!dws->rxchan)
+ goto err_exit;
+
+ /* 2. Init tx channel */
+ tx->dma_dev = &dma_dev->dev;
+ dws->txchan = dma_request_channel(mask, dw_spi_dma_chan_filter, tx);
+ if (!dws->txchan)
+ goto free_rxchan;
+
+ dws->master->dma_rx = dws->rxchan;
+ dws->master->dma_tx = dws->txchan;
+
+ init_completion(&dws->dma_completion);
+
+ dw_spi_dma_maxburst_init(dws);
+
+ return 0;
+
+free_rxchan:
+ dma_release_channel(dws->rxchan);
+ dws->rxchan = NULL;
+err_exit:
+ return -EBUSY;
+}
+
+static int dw_spi_dma_init_generic(struct device *dev, struct dw_spi *dws)
+{
+ dws->rxchan = dma_request_slave_channel(dev, "rx");
+ if (!dws->rxchan)
+ return -ENODEV;
+
+ dws->txchan = dma_request_slave_channel(dev, "tx");
+ if (!dws->txchan) {
+ dma_release_channel(dws->rxchan);
+ dws->rxchan = NULL;
+ return -ENODEV;
+ }
+
+ dws->master->dma_rx = dws->rxchan;
+ dws->master->dma_tx = dws->txchan;
+
+ init_completion(&dws->dma_completion);
+
+ dw_spi_dma_maxburst_init(dws);
+
+ return 0;
+}
+
+static void dw_spi_dma_exit(struct dw_spi *dws)
+{
+ if (dws->txchan) {
+ dmaengine_terminate_sync(dws->txchan);
+ dma_release_channel(dws->txchan);
+ }
+
+ if (dws->rxchan) {
+ dmaengine_terminate_sync(dws->rxchan);
+ dma_release_channel(dws->rxchan);
+ }
+
+ dw_writel(dws, DW_SPI_DMACR, 0);
+}
+
+static irqreturn_t dw_spi_dma_transfer_handler(struct dw_spi *dws)
+{
+ u16 irq_status = dw_readl(dws, DW_SPI_ISR);
+
+ if (!irq_status)
+ return IRQ_NONE;
+
+ dw_readl(dws, DW_SPI_ICR);
+ spi_reset_chip(dws);
+
+ dev_err(&dws->master->dev, "%s: FIFO overrun/underrun\n", __func__);
+ dws->master->cur_msg->status = -EIO;
+ complete(&dws->dma_completion);
+ return IRQ_HANDLED;
+}
+
+static bool dw_spi_can_dma(struct spi_controller *master,
+ struct spi_device *spi, struct spi_transfer *xfer)
+{
+ struct dw_spi *dws = spi_controller_get_devdata(master);
+
+ return xfer->len > dws->fifo_len;
+}
+
+static enum dma_slave_buswidth dw_spi_dma_convert_width(u8 n_bytes)
+{
+ if (n_bytes == 1)
+ return DMA_SLAVE_BUSWIDTH_1_BYTE;
+ else if (n_bytes == 2)
+ return DMA_SLAVE_BUSWIDTH_2_BYTES;
+
+ return DMA_SLAVE_BUSWIDTH_UNDEFINED;
+}
+
+static int dw_spi_dma_wait(struct dw_spi *dws, struct spi_transfer *xfer)
+{
+ unsigned long long ms;
+
+ ms = xfer->len * MSEC_PER_SEC * BITS_PER_BYTE;
+ do_div(ms, xfer->effective_speed_hz);
+ ms += ms + 200;
+
+ if (ms > UINT_MAX)
+ ms = UINT_MAX;
+
+ ms = wait_for_completion_timeout(&dws->dma_completion,
+ msecs_to_jiffies(ms));
+
+ if (ms == 0) {
+ dev_err(&dws->master->cur_msg->spi->dev,
+ "DMA transaction timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static inline bool dw_spi_dma_tx_busy(struct dw_spi *dws)
+{
+ return !(dw_readl(dws, DW_SPI_SR) & SR_TF_EMPT);
+}
+
+static int dw_spi_dma_wait_tx_done(struct dw_spi *dws,
+ struct spi_transfer *xfer)
+{
+ int retry = WAIT_RETRIES;
+ struct spi_delay delay;
+ u32 nents;
+
+ nents = dw_readl(dws, DW_SPI_TXFLR);
+ delay.unit = SPI_DELAY_UNIT_SCK;
+ delay.value = nents * dws->n_bytes * BITS_PER_BYTE;
+
+ while (dw_spi_dma_tx_busy(dws) && retry--)
+ spi_delay_exec(&delay, xfer);
+
+ if (retry < 0) {
+ dev_err(&dws->master->dev, "Tx hanged up\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/*
+ * dws->dma_chan_busy is set before the dma transfer starts, callback for tx
+ * channel will clear a corresponding bit.
+ */
+static void dw_spi_dma_tx_done(void *arg)
+{
+ struct dw_spi *dws = arg;
+
+ clear_bit(TX_BUSY, &dws->dma_chan_busy);
+ if (test_bit(RX_BUSY, &dws->dma_chan_busy))
+ return;
+
+ dw_writel(dws, DW_SPI_DMACR, 0);
+ complete(&dws->dma_completion);
+}
+
+static struct dma_async_tx_descriptor *
+dw_spi_dma_prepare_tx(struct dw_spi *dws, struct spi_transfer *xfer)
+{
+ struct dma_slave_config txconf;
+ struct dma_async_tx_descriptor *txdesc;
+
+ if (!xfer->tx_buf)
+ return NULL;
+
+ memset(&txconf, 0, sizeof(txconf));
+ txconf.direction = DMA_MEM_TO_DEV;
+ txconf.dst_addr = dws->dma_addr;
+ txconf.dst_maxburst = dws->txburst;
+ txconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ txconf.dst_addr_width = dw_spi_dma_convert_width(dws->n_bytes);
+ txconf.device_fc = false;
+
+ dmaengine_slave_config(dws->txchan, &txconf);
+
+ txdesc = dmaengine_prep_slave_sg(dws->txchan,
+ xfer->tx_sg.sgl,
+ xfer->tx_sg.nents,
+ DMA_MEM_TO_DEV,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!txdesc)
+ return NULL;
+
+ txdesc->callback = dw_spi_dma_tx_done;
+ txdesc->callback_param = dws;
+
+ return txdesc;
+}
+
+static inline bool dw_spi_dma_rx_busy(struct dw_spi *dws)
+{
+ return !!(dw_readl(dws, DW_SPI_SR) & SR_RF_NOT_EMPT);
+}
+
+static int dw_spi_dma_wait_rx_done(struct dw_spi *dws)
+{
+ int retry = WAIT_RETRIES;
+ struct spi_delay delay;
+ unsigned long ns, us;
+ u32 nents;
+
+ /*
+ * It's unlikely that DMA engine is still doing the data fetching, but
+ * if it's let's give it some reasonable time. The timeout calculation
+ * is based on the synchronous APB/SSI reference clock rate, on a
+ * number of data entries left in the Rx FIFO, times a number of clock
+ * periods normally needed for a single APB read/write transaction
+ * without PREADY signal utilized (which is true for the DW APB SSI
+ * controller).
+ */
+ nents = dw_readl(dws, DW_SPI_RXFLR);
+ ns = 4U * NSEC_PER_SEC / dws->max_freq * nents;
+ if (ns <= NSEC_PER_USEC) {
+ delay.unit = SPI_DELAY_UNIT_NSECS;
+ delay.value = ns;
+ } else {
+ us = DIV_ROUND_UP(ns, NSEC_PER_USEC);
+ delay.unit = SPI_DELAY_UNIT_USECS;
+ delay.value = clamp_val(us, 0, USHRT_MAX);
+ }
+
+ while (dw_spi_dma_rx_busy(dws) && retry--)
+ spi_delay_exec(&delay, NULL);
+
+ if (retry < 0) {
+ dev_err(&dws->master->dev, "Rx hanged up\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/*
+ * dws->dma_chan_busy is set before the dma transfer starts, callback for rx
+ * channel will clear a corresponding bit.
+ */
+static void dw_spi_dma_rx_done(void *arg)
+{
+ struct dw_spi *dws = arg;
+
+ clear_bit(RX_BUSY, &dws->dma_chan_busy);
+ if (test_bit(TX_BUSY, &dws->dma_chan_busy))
+ return;
+
+ dw_writel(dws, DW_SPI_DMACR, 0);
+ complete(&dws->dma_completion);
+}
+
+static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws,
+ struct spi_transfer *xfer)
+{
+ struct dma_slave_config rxconf;
+ struct dma_async_tx_descriptor *rxdesc;
+
+ if (!xfer->rx_buf)
+ return NULL;
+
+ memset(&rxconf, 0, sizeof(rxconf));
+ rxconf.direction = DMA_DEV_TO_MEM;
+ rxconf.src_addr = dws->dma_addr;
+ rxconf.src_maxburst = dws->rxburst;
+ rxconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ rxconf.src_addr_width = dw_spi_dma_convert_width(dws->n_bytes);
+ rxconf.device_fc = false;
+
+ dmaengine_slave_config(dws->rxchan, &rxconf);
+
+ rxdesc = dmaengine_prep_slave_sg(dws->rxchan,
+ xfer->rx_sg.sgl,
+ xfer->rx_sg.nents,
+ DMA_DEV_TO_MEM,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ if (!rxdesc)
+ return NULL;
+
+ rxdesc->callback = dw_spi_dma_rx_done;
+ rxdesc->callback_param = dws;
+
+ return rxdesc;
+}
+
+static int dw_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer)
+{
+ u16 imr = 0, dma_ctrl = 0;
+
+ dw_writel(dws, DW_SPI_DMARDLR, dws->rxburst - 1);
+ dw_writel(dws, DW_SPI_DMATDLR, dws->fifo_len - dws->txburst);
+
+ if (xfer->tx_buf)
+ dma_ctrl |= SPI_DMA_TDMAE;
+ if (xfer->rx_buf)
+ dma_ctrl |= SPI_DMA_RDMAE;
+ dw_writel(dws, DW_SPI_DMACR, dma_ctrl);
+
+ /* Set the interrupt mask */
+ if (xfer->tx_buf)
+ imr |= SPI_INT_TXOI;
+ if (xfer->rx_buf)
+ imr |= SPI_INT_RXUI | SPI_INT_RXOI;
+ spi_umask_intr(dws, imr);
+
+ reinit_completion(&dws->dma_completion);
+
+ dws->transfer_handler = dw_spi_dma_transfer_handler;
+
+ return 0;
+}
+
+static int dw_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer)
+{
+ struct dma_async_tx_descriptor *txdesc, *rxdesc;
+ int ret;
+
+ /* Prepare the TX dma transfer */
+ txdesc = dw_spi_dma_prepare_tx(dws, xfer);
+
+ /* Prepare the RX dma transfer */
+ rxdesc = dw_spi_dma_prepare_rx(dws, xfer);
+
+ /* rx must be started before tx due to spi instinct */
+ if (rxdesc) {
+ set_bit(RX_BUSY, &dws->dma_chan_busy);
+ dmaengine_submit(rxdesc);
+ dma_async_issue_pending(dws->rxchan);
+ }
+
+ if (txdesc) {
+ set_bit(TX_BUSY, &dws->dma_chan_busy);
+ dmaengine_submit(txdesc);
+ dma_async_issue_pending(dws->txchan);
+ }
+
+ ret = dw_spi_dma_wait(dws, xfer);
+ if (ret)
+ return ret;
+
+ if (txdesc && dws->master->cur_msg->status == -EINPROGRESS) {
+ ret = dw_spi_dma_wait_tx_done(dws, xfer);
+ if (ret)
+ return ret;
+ }
+
+ if (rxdesc && dws->master->cur_msg->status == -EINPROGRESS)
+ ret = dw_spi_dma_wait_rx_done(dws);
+
+ return ret;
+}
+
+static void dw_spi_dma_stop(struct dw_spi *dws)
+{
+ if (test_bit(TX_BUSY, &dws->dma_chan_busy)) {
+ dmaengine_terminate_sync(dws->txchan);
+ clear_bit(TX_BUSY, &dws->dma_chan_busy);
+ }
+ if (test_bit(RX_BUSY, &dws->dma_chan_busy)) {
+ dmaengine_terminate_sync(dws->rxchan);
+ clear_bit(RX_BUSY, &dws->dma_chan_busy);
+ }
+
+ dw_writel(dws, DW_SPI_DMACR, 0);
+}
+
+static const struct dw_spi_dma_ops dw_spi_dma_mfld_ops = {
+ .dma_init = dw_spi_dma_init_mfld,
+ .dma_exit = dw_spi_dma_exit,
+ .dma_setup = dw_spi_dma_setup,
+ .can_dma = dw_spi_can_dma,
+ .dma_transfer = dw_spi_dma_transfer,
+ .dma_stop = dw_spi_dma_stop,
+};
+
+void dw_spi_dma_setup_mfld(struct dw_spi *dws)
+{
+ dws->dma_ops = &dw_spi_dma_mfld_ops;
+}
+EXPORT_SYMBOL_GPL(dw_spi_dma_setup_mfld);
+
+static const struct dw_spi_dma_ops dw_spi_dma_generic_ops = {
+ .dma_init = dw_spi_dma_init_generic,
+ .dma_exit = dw_spi_dma_exit,
+ .dma_setup = dw_spi_dma_setup,
+ .can_dma = dw_spi_can_dma,
+ .dma_transfer = dw_spi_dma_transfer,
+ .dma_stop = dw_spi_dma_stop,
+};
+
+void dw_spi_dma_setup_generic(struct dw_spi *dws)
+{
+ dws->dma_ops = &dw_spi_dma_generic_ops;
+}
+EXPORT_SYMBOL_GPL(dw_spi_dma_setup_generic);
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
deleted file mode 100644
index 0d86c37e0aeb..000000000000
--- a/drivers/spi/spi-dw-mid.c
+++ /dev/null
@@ -1,322 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Special handling for DW core on Intel MID platform
- *
- * Copyright (c) 2009, 2014 Intel Corporation.
- */
-
-#include <linux/dma-mapping.h>
-#include <linux/dmaengine.h>
-#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/spi/spi.h>
-#include <linux/types.h>
-
-#include "spi-dw.h"
-
-#ifdef CONFIG_SPI_DW_MID_DMA
-#include <linux/pci.h>
-#include <linux/platform_data/dma-dw.h>
-
-#define RX_BUSY 0
-#define TX_BUSY 1
-
-static struct dw_dma_slave mid_dma_tx = { .dst_id = 1 };
-static struct dw_dma_slave mid_dma_rx = { .src_id = 0 };
-
-static bool mid_spi_dma_chan_filter(struct dma_chan *chan, void *param)
-{
- struct dw_dma_slave *s = param;
-
- if (s->dma_dev != chan->device->dev)
- return false;
-
- chan->private = s;
- return true;
-}
-
-static int mid_spi_dma_init(struct dw_spi *dws)
-{
- struct pci_dev *dma_dev;
- struct dw_dma_slave *tx = dws->dma_tx;
- struct dw_dma_slave *rx = dws->dma_rx;
- dma_cap_mask_t mask;
-
- /*
- * Get pci device for DMA controller, currently it could only
- * be the DMA controller of Medfield
- */
- dma_dev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x0827, NULL);
- if (!dma_dev)
- return -ENODEV;
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
-
- /* 1. Init rx channel */
- rx->dma_dev = &dma_dev->dev;
- dws->rxchan = dma_request_channel(mask, mid_spi_dma_chan_filter, rx);
- if (!dws->rxchan)
- goto err_exit;
- dws->master->dma_rx = dws->rxchan;
-
- /* 2. Init tx channel */
- tx->dma_dev = &dma_dev->dev;
- dws->txchan = dma_request_channel(mask, mid_spi_dma_chan_filter, tx);
- if (!dws->txchan)
- goto free_rxchan;
- dws->master->dma_tx = dws->txchan;
-
- dws->dma_inited = 1;
- return 0;
-
-free_rxchan:
- dma_release_channel(dws->rxchan);
-err_exit:
- return -EBUSY;
-}
-
-static void mid_spi_dma_exit(struct dw_spi *dws)
-{
- if (!dws->dma_inited)
- return;
-
- dmaengine_terminate_sync(dws->txchan);
- dma_release_channel(dws->txchan);
-
- dmaengine_terminate_sync(dws->rxchan);
- dma_release_channel(dws->rxchan);
-}
-
-static irqreturn_t dma_transfer(struct dw_spi *dws)
-{
- u16 irq_status = dw_readl(dws, DW_SPI_ISR);
-
- if (!irq_status)
- return IRQ_NONE;
-
- dw_readl(dws, DW_SPI_ICR);
- spi_reset_chip(dws);
-
- dev_err(&dws->master->dev, "%s: FIFO overrun/underrun\n", __func__);
- dws->master->cur_msg->status = -EIO;
- spi_finalize_current_transfer(dws->master);
- return IRQ_HANDLED;
-}
-
-static bool mid_spi_can_dma(struct spi_controller *master,
- struct spi_device *spi, struct spi_transfer *xfer)
-{
- struct dw_spi *dws = spi_controller_get_devdata(master);
-
- if (!dws->dma_inited)
- return false;
-
- return xfer->len > dws->fifo_len;
-}
-
-static enum dma_slave_buswidth convert_dma_width(u32 dma_width) {
- if (dma_width == 1)
- return DMA_SLAVE_BUSWIDTH_1_BYTE;
- else if (dma_width == 2)
- return DMA_SLAVE_BUSWIDTH_2_BYTES;
-
- return DMA_SLAVE_BUSWIDTH_UNDEFINED;
-}
-
-/*
- * dws->dma_chan_busy is set before the dma transfer starts, callback for tx
- * channel will clear a corresponding bit.
- */
-static void dw_spi_dma_tx_done(void *arg)
-{
- struct dw_spi *dws = arg;
-
- clear_bit(TX_BUSY, &dws->dma_chan_busy);
- if (test_bit(RX_BUSY, &dws->dma_chan_busy))
- return;
- spi_finalize_current_transfer(dws->master);
-}
-
-static struct dma_async_tx_descriptor *dw_spi_dma_prepare_tx(struct dw_spi *dws,
- struct spi_transfer *xfer)
-{
- struct dma_slave_config txconf;
- struct dma_async_tx_descriptor *txdesc;
-
- if (!xfer->tx_buf)
- return NULL;
-
- txconf.direction = DMA_MEM_TO_DEV;
- txconf.dst_addr = dws->dma_addr;
- txconf.dst_maxburst = 16;
- txconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- txconf.dst_addr_width = convert_dma_width(dws->dma_width);
- txconf.device_fc = false;
-
- dmaengine_slave_config(dws->txchan, &txconf);
-
- txdesc = dmaengine_prep_slave_sg(dws->txchan,
- xfer->tx_sg.sgl,
- xfer->tx_sg.nents,
- DMA_MEM_TO_DEV,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- if (!txdesc)
- return NULL;
-
- txdesc->callback = dw_spi_dma_tx_done;
- txdesc->callback_param = dws;
-
- return txdesc;
-}
-
-/*
- * dws->dma_chan_busy is set before the dma transfer starts, callback for rx
- * channel will clear a corresponding bit.
- */
-static void dw_spi_dma_rx_done(void *arg)
-{
- struct dw_spi *dws = arg;
-
- clear_bit(RX_BUSY, &dws->dma_chan_busy);
- if (test_bit(TX_BUSY, &dws->dma_chan_busy))
- return;
- spi_finalize_current_transfer(dws->master);
-}
-
-static struct dma_async_tx_descriptor *dw_spi_dma_prepare_rx(struct dw_spi *dws,
- struct spi_transfer *xfer)
-{
- struct dma_slave_config rxconf;
- struct dma_async_tx_descriptor *rxdesc;
-
- if (!xfer->rx_buf)
- return NULL;
-
- rxconf.direction = DMA_DEV_TO_MEM;
- rxconf.src_addr = dws->dma_addr;
- rxconf.src_maxburst = 16;
- rxconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- rxconf.src_addr_width = convert_dma_width(dws->dma_width);
- rxconf.device_fc = false;
-
- dmaengine_slave_config(dws->rxchan, &rxconf);
-
- rxdesc = dmaengine_prep_slave_sg(dws->rxchan,
- xfer->rx_sg.sgl,
- xfer->rx_sg.nents,
- DMA_DEV_TO_MEM,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- if (!rxdesc)
- return NULL;
-
- rxdesc->callback = dw_spi_dma_rx_done;
- rxdesc->callback_param = dws;
-
- return rxdesc;
-}
-
-static int mid_spi_dma_setup(struct dw_spi *dws, struct spi_transfer *xfer)
-{
- u16 dma_ctrl = 0;
-
- dw_writel(dws, DW_SPI_DMARDLR, 0xf);
- dw_writel(dws, DW_SPI_DMATDLR, 0x10);
-
- if (xfer->tx_buf)
- dma_ctrl |= SPI_DMA_TDMAE;
- if (xfer->rx_buf)
- dma_ctrl |= SPI_DMA_RDMAE;
- dw_writel(dws, DW_SPI_DMACR, dma_ctrl);
-
- /* Set the interrupt mask */
- spi_umask_intr(dws, SPI_INT_TXOI | SPI_INT_RXUI | SPI_INT_RXOI);
-
- dws->transfer_handler = dma_transfer;
-
- return 0;
-}
-
-static int mid_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer)
-{
- struct dma_async_tx_descriptor *txdesc, *rxdesc;
-
- /* Prepare the TX dma transfer */
- txdesc = dw_spi_dma_prepare_tx(dws, xfer);
-
- /* Prepare the RX dma transfer */
- rxdesc = dw_spi_dma_prepare_rx(dws, xfer);
-
- /* rx must be started before tx due to spi instinct */
- if (rxdesc) {
- set_bit(RX_BUSY, &dws->dma_chan_busy);
- dmaengine_submit(rxdesc);
- dma_async_issue_pending(dws->rxchan);
- }
-
- if (txdesc) {
- set_bit(TX_BUSY, &dws->dma_chan_busy);
- dmaengine_submit(txdesc);
- dma_async_issue_pending(dws->txchan);
- }
-
- return 0;
-}
-
-static void mid_spi_dma_stop(struct dw_spi *dws)
-{
- if (test_bit(TX_BUSY, &dws->dma_chan_busy)) {
- dmaengine_terminate_sync(dws->txchan);
- clear_bit(TX_BUSY, &dws->dma_chan_busy);
- }
- if (test_bit(RX_BUSY, &dws->dma_chan_busy)) {
- dmaengine_terminate_sync(dws->rxchan);
- clear_bit(RX_BUSY, &dws->dma_chan_busy);
- }
-}
-
-static const struct dw_spi_dma_ops mid_dma_ops = {
- .dma_init = mid_spi_dma_init,
- .dma_exit = mid_spi_dma_exit,
- .dma_setup = mid_spi_dma_setup,
- .can_dma = mid_spi_can_dma,
- .dma_transfer = mid_spi_dma_transfer,
- .dma_stop = mid_spi_dma_stop,
-};
-#endif
-
-/* Some specific info for SPI0 controller on Intel MID */
-
-/* HW info for MRST Clk Control Unit, 32b reg per controller */
-#define MRST_SPI_CLK_BASE 100000000 /* 100m */
-#define MRST_CLK_SPI_REG 0xff11d86c
-#define CLK_SPI_BDIV_OFFSET 0
-#define CLK_SPI_BDIV_MASK 0x00000007
-#define CLK_SPI_CDIV_OFFSET 9
-#define CLK_SPI_CDIV_MASK 0x00000e00
-#define CLK_SPI_DISABLE_OFFSET 8
-
-int dw_spi_mid_init(struct dw_spi *dws)
-{
- void __iomem *clk_reg;
- u32 clk_cdiv;
-
- clk_reg = ioremap(MRST_CLK_SPI_REG, 16);
- if (!clk_reg)
- return -ENOMEM;
-
- /* Get SPI controller operating freq info */
- clk_cdiv = readl(clk_reg + dws->bus_num * sizeof(u32));
- clk_cdiv &= CLK_SPI_CDIV_MASK;
- clk_cdiv >>= CLK_SPI_CDIV_OFFSET;
- dws->max_freq = MRST_SPI_CLK_BASE / (clk_cdiv + 1);
-
- iounmap(clk_reg);
-
-#ifdef CONFIG_SPI_DW_MID_DMA
- dws->dma_tx = &mid_dma_tx;
- dws->dma_rx = &mid_dma_rx;
- dws->dma_ops = &mid_dma_ops;
-#endif
- return 0;
-}
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 384a3ab6dc2d..403403deae66 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -7,7 +7,6 @@
#include <linux/clk.h>
#include <linux/err.h>
-#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
@@ -20,6 +19,7 @@
#include <linux/acpi.h>
#include <linux/property.h>
#include <linux/regmap.h>
+#include <linux/reset.h>
#include "spi-dw.h"
@@ -30,6 +30,7 @@ struct dw_spi_mmio {
struct clk *clk;
struct clk *pclk;
void *priv;
+ struct reset_control *rstc;
};
#define MSCC_CPU_SYSTEM_CTRL_GENERAL_CTRL 0x24
@@ -44,6 +45,13 @@ struct dw_spi_mmio {
#define MSCC_SPI_MST_SW_MODE_SW_PIN_CTRL_MODE BIT(13)
#define MSCC_SPI_MST_SW_MODE_SW_SPI_CS(x) (x << 5)
+/*
+ * For Keem Bay, CTRLR0[31] is used to select controller mode.
+ * 0: SSI is slave
+ * 1: SSI is master
+ */
+#define KEEMBAY_CTRLR0_SSIC_IS_MST BIT(31)
+
struct dw_spi_mscc {
struct regmap *syscon;
void __iomem *spi_mst;
@@ -106,6 +114,9 @@ static int dw_spi_mscc_init(struct platform_device *pdev,
dwsmmio->dws.set_cs = dw_spi_mscc_set_cs;
dwsmmio->priv = dwsmscc;
+ /* Register hook to configure CTRLR0 */
+ dwsmmio->dws.update_cr0 = dw_spi_update_cr0;
+
return 0;
}
@@ -128,6 +139,49 @@ static int dw_spi_alpine_init(struct platform_device *pdev,
{
dwsmmio->dws.cs_override = 1;
+ /* Register hook to configure CTRLR0 */
+ dwsmmio->dws.update_cr0 = dw_spi_update_cr0;
+
+ return 0;
+}
+
+static int dw_spi_dw_apb_init(struct platform_device *pdev,
+ struct dw_spi_mmio *dwsmmio)
+{
+ /* Register hook to configure CTRLR0 */
+ dwsmmio->dws.update_cr0 = dw_spi_update_cr0;
+
+ dw_spi_dma_setup_generic(&dwsmmio->dws);
+
+ return 0;
+}
+
+static int dw_spi_dwc_ssi_init(struct platform_device *pdev,
+ struct dw_spi_mmio *dwsmmio)
+{
+ /* Register hook to configure CTRLR0 */
+ dwsmmio->dws.update_cr0 = dw_spi_update_cr0_v1_01a;
+
+ dw_spi_dma_setup_generic(&dwsmmio->dws);
+
+ return 0;
+}
+
+static u32 dw_spi_update_cr0_keembay(struct spi_controller *master,
+ struct spi_device *spi,
+ struct spi_transfer *transfer)
+{
+ u32 cr0 = dw_spi_update_cr0_v1_01a(master, spi, transfer);
+
+ return cr0 | KEEMBAY_CTRLR0_SSIC_IS_MST;
+}
+
+static int dw_spi_keembay_init(struct platform_device *pdev,
+ struct dw_spi_mmio *dwsmmio)
+{
+ /* Register hook to configure CTRLR0 */
+ dwsmmio->dws.update_cr0 = dw_spi_update_cr0_keembay;
+
return 0;
}
@@ -136,6 +190,7 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
int (*init_func)(struct platform_device *pdev,
struct dw_spi_mmio *dwsmmio);
struct dw_spi_mmio *dwsmmio;
+ struct resource *mem;
struct dw_spi *dws;
int ret;
int num_cs;
@@ -148,11 +203,11 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
dws = &dwsmmio->dws;
/* Get basic io resource and map it */
- dws->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(dws->regs)) {
- dev_err(&pdev->dev, "SPI region map failed\n");
+ dws->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
+ if (IS_ERR(dws->regs))
return PTR_ERR(dws->regs);
- }
+
+ dws->paddr = mem->start;
dws->irq = platform_get_irq(pdev, 0);
if (dws->irq < 0)
@@ -175,6 +230,14 @@ static int dw_spi_mmio_probe(struct platform_device *pdev)
if (ret)
goto out_clk;
+ /* find an optional reset controller */
+ dwsmmio->rstc = devm_reset_control_get_optional_exclusive(&pdev->dev, "spi");
+ if (IS_ERR(dwsmmio->rstc)) {
+ ret = PTR_ERR(dwsmmio->rstc);
+ goto out_clk;
+ }
+ reset_control_deassert(dwsmmio->rstc);
+
dws->bus_num = pdev->id;
dws->max_freq = clk_get_rate(dwsmmio->clk);
@@ -208,6 +271,8 @@ out:
clk_disable_unprepare(dwsmmio->pclk);
out_clk:
clk_disable_unprepare(dwsmmio->clk);
+ reset_control_assert(dwsmmio->rstc);
+
return ret;
}
@@ -219,25 +284,30 @@ static int dw_spi_mmio_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
clk_disable_unprepare(dwsmmio->pclk);
clk_disable_unprepare(dwsmmio->clk);
+ reset_control_assert(dwsmmio->rstc);
return 0;
}
static const struct of_device_id dw_spi_mmio_of_match[] = {
- { .compatible = "snps,dw-apb-ssi", },
+ { .compatible = "snps,dw-apb-ssi", .data = dw_spi_dw_apb_init},
{ .compatible = "mscc,ocelot-spi", .data = dw_spi_mscc_ocelot_init},
{ .compatible = "mscc,jaguar2-spi", .data = dw_spi_mscc_jaguar2_init},
{ .compatible = "amazon,alpine-dw-apb-ssi", .data = dw_spi_alpine_init},
- { .compatible = "renesas,rzn1-spi", },
+ { .compatible = "renesas,rzn1-spi", .data = dw_spi_dw_apb_init},
+ { .compatible = "snps,dwc-ssi-1.01a", .data = dw_spi_dwc_ssi_init},
+ { .compatible = "intel,keembay-ssi", .data = dw_spi_keembay_init},
{ /* end of table */}
};
MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);
+#ifdef CONFIG_ACPI
static const struct acpi_device_id dw_spi_mmio_acpi_match[] = {
- {"HISI0173", 0},
+ {"HISI0173", (kernel_ulong_t)dw_spi_dw_apb_init},
{},
};
MODULE_DEVICE_TABLE(acpi, dw_spi_mmio_acpi_match);
+#endif
static struct platform_driver dw_spi_mmio_driver = {
.probe = dw_spi_mmio_probe,
diff --git a/drivers/spi/spi-dw-pci.c b/drivers/spi/spi-dw-pci.c
index 12c131b5fb4e..2ea73809ca34 100644
--- a/drivers/spi/spi-dw-pci.c
+++ b/drivers/spi/spi-dw-pci.c
@@ -5,7 +5,6 @@
* Copyright (c) 2009, 2014 Intel Corporation.
*/
-#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
@@ -16,6 +15,15 @@
#define DRIVER_NAME "dw_spi_pci"
+/* HW info for MRST Clk Control Unit, 32b reg per controller */
+#define MRST_SPI_CLK_BASE 100000000 /* 100m */
+#define MRST_CLK_SPI_REG 0xff11d86c
+#define CLK_SPI_BDIV_OFFSET 0
+#define CLK_SPI_BDIV_MASK 0x00000007
+#define CLK_SPI_CDIV_OFFSET 9
+#define CLK_SPI_CDIV_MASK 0x00000e00
+#define CLK_SPI_DISABLE_OFFSET 8
+
struct spi_pci_desc {
int (*setup)(struct dw_spi *);
u16 num_cs;
@@ -23,19 +31,55 @@ struct spi_pci_desc {
u32 max_freq;
};
+static int spi_mid_init(struct dw_spi *dws)
+{
+ void __iomem *clk_reg;
+ u32 clk_cdiv;
+
+ clk_reg = ioremap(MRST_CLK_SPI_REG, 16);
+ if (!clk_reg)
+ return -ENOMEM;
+
+ /* Get SPI controller operating freq info */
+ clk_cdiv = readl(clk_reg + dws->bus_num * sizeof(u32));
+ clk_cdiv &= CLK_SPI_CDIV_MASK;
+ clk_cdiv >>= CLK_SPI_CDIV_OFFSET;
+ dws->max_freq = MRST_SPI_CLK_BASE / (clk_cdiv + 1);
+
+ iounmap(clk_reg);
+
+ /* Register hook to configure CTRLR0 */
+ dws->update_cr0 = dw_spi_update_cr0;
+
+ dw_spi_dma_setup_mfld(dws);
+
+ return 0;
+}
+
+static int spi_generic_init(struct dw_spi *dws)
+{
+ /* Register hook to configure CTRLR0 */
+ dws->update_cr0 = dw_spi_update_cr0;
+
+ dw_spi_dma_setup_generic(dws);
+
+ return 0;
+}
+
static struct spi_pci_desc spi_pci_mid_desc_1 = {
- .setup = dw_spi_mid_init,
+ .setup = spi_mid_init,
.num_cs = 5,
.bus_num = 0,
};
static struct spi_pci_desc spi_pci_mid_desc_2 = {
- .setup = dw_spi_mid_init,
+ .setup = spi_mid_init,
.num_cs = 2,
.bus_num = 1,
};
static struct spi_pci_desc spi_pci_ehl_desc = {
+ .setup = spi_generic_init,
.num_cs = 2,
.bus_num = -1,
.max_freq = 100000000,
diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h
index 1bf5713e047d..151ba316619e 100644
--- a/drivers/spi/spi-dw.h
+++ b/drivers/spi/spi-dw.h
@@ -2,18 +2,21 @@
#ifndef DW_SPI_HEADER_H
#define DW_SPI_HEADER_H
+#include <linux/completion.h>
+#include <linux/debugfs.h>
+#include <linux/irqreturn.h>
#include <linux/io.h>
#include <linux/scatterlist.h>
/* Register offsets */
-#define DW_SPI_CTRL0 0x00
-#define DW_SPI_CTRL1 0x04
+#define DW_SPI_CTRLR0 0x00
+#define DW_SPI_CTRLR1 0x04
#define DW_SPI_SSIENR 0x08
#define DW_SPI_MWCR 0x0c
#define DW_SPI_SER 0x10
#define DW_SPI_BAUDR 0x14
-#define DW_SPI_TXFLTR 0x18
-#define DW_SPI_RXFLTR 0x1c
+#define DW_SPI_TXFTLR 0x18
+#define DW_SPI_RXFTLR 0x1c
#define DW_SPI_TXFLR 0x20
#define DW_SPI_RXFLR 0x24
#define DW_SPI_SR 0x28
@@ -57,6 +60,15 @@
#define SPI_SRL_OFFSET 11
#define SPI_CFS_OFFSET 12
+/* Bit fields in CTRLR0 based on DWC_ssi_databook.pdf v1.01a */
+#define DWC_SSI_CTRLR0_SRL_OFFSET 13
+#define DWC_SSI_CTRLR0_TMOD_OFFSET 10
+#define DWC_SSI_CTRLR0_TMOD_MASK GENMASK(11, 10)
+#define DWC_SSI_CTRLR0_SCPOL_OFFSET 9
+#define DWC_SSI_CTRLR0_SCPH_OFFSET 8
+#define DWC_SSI_CTRLR0_FRF_OFFSET 6
+#define DWC_SSI_CTRLR0_DFS_OFFSET 0
+
/* Bit fields in SR, 7 bits */
#define SR_MASK 0x7f /* cover 7 bits */
#define SR_BUSY (1 << 0)
@@ -90,7 +102,7 @@ enum dw_ssi_type {
struct dw_spi;
struct dw_spi_dma_ops {
- int (*dma_init)(struct dw_spi *dws);
+ int (*dma_init)(struct device *dev, struct dw_spi *dws);
void (*dma_exit)(struct dw_spi *dws);
int (*dma_setup)(struct dw_spi *dws, struct spi_transfer *xfer);
bool (*can_dma)(struct spi_controller *master, struct spi_device *spi,
@@ -114,6 +126,8 @@ struct dw_spi {
u16 bus_num;
u16 num_cs; /* supported slave numbers */
void (*set_cs)(struct spi_device *spi, bool enable);
+ u32 (*update_cr0)(struct spi_controller *master, struct spi_device *spi,
+ struct spi_transfer *transfer);
/* Current message transfer state info */
size_t len;
@@ -124,24 +138,22 @@ struct dw_spi {
void *rx_end;
int dma_mapped;
u8 n_bytes; /* current is a 1/2 bytes op */
- u32 dma_width;
irqreturn_t (*transfer_handler)(struct dw_spi *dws);
u32 current_freq; /* frequency in hz */
/* DMA info */
- int dma_inited;
struct dma_chan *txchan;
+ u32 txburst;
struct dma_chan *rxchan;
+ u32 rxburst;
unsigned long dma_chan_busy;
dma_addr_t dma_addr; /* phy address of the Data register */
const struct dw_spi_dma_ops *dma_ops;
- void *dma_tx;
- void *dma_rx;
+ struct completion dma_completion;
- /* Bus interface info */
- void *priv;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs;
+ struct debugfs_regset32 regset;
#endif
};
@@ -235,24 +247,28 @@ static inline void spi_shutdown_chip(struct dw_spi *dws)
spi_set_clk(dws, 0);
}
-/*
- * Each SPI slave device to work with dw_api controller should
- * has such a structure claiming its working mode (poll or PIO/DMA),
- * which can be save in the "controller_data" member of the
- * struct spi_device.
- */
-struct dw_spi_chip {
- u8 poll_mode; /* 1 for controller polling mode */
- u8 type; /* SPI/SSP/MicroWire */
- void (*cs_control)(u32 command);
-};
-
extern void dw_spi_set_cs(struct spi_device *spi, bool enable);
extern int dw_spi_add_host(struct device *dev, struct dw_spi *dws);
extern void dw_spi_remove_host(struct dw_spi *dws);
extern int dw_spi_suspend_host(struct dw_spi *dws);
extern int dw_spi_resume_host(struct dw_spi *dws);
+extern u32 dw_spi_update_cr0(struct spi_controller *master,
+ struct spi_device *spi,
+ struct spi_transfer *transfer);
+extern u32 dw_spi_update_cr0_v1_01a(struct spi_controller *master,
+ struct spi_device *spi,
+ struct spi_transfer *transfer);
+
+#ifdef CONFIG_SPI_DW_DMA
+
+extern void dw_spi_dma_setup_mfld(struct dw_spi *dws);
+extern void dw_spi_dma_setup_generic(struct dw_spi *dws);
+
+#else
+
+static inline void dw_spi_dma_setup_mfld(struct dw_spi *dws) {}
+static inline void dw_spi_dma_setup_generic(struct dw_spi *dws) {}
+
+#endif /* !CONFIG_SPI_DW_DMA */
-/* platform related setup */
-extern int dw_spi_mid_init(struct dw_spi *dws); /* Intel MID platforms */
#endif /* DW_SPI_HEADER_H */
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index 4e1ccd4e52b6..8c854b187b1d 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -31,7 +31,8 @@
#include <linux/platform_data/spi-ep93xx.h>
#define SSPCR0 0x0000
-#define SSPCR0_MODE_SHIFT 6
+#define SSPCR0_SPO BIT(6)
+#define SSPCR0_SPH BIT(7)
#define SSPCR0_SCR_SHIFT 8
#define SSPCR1 0x0004
@@ -159,7 +160,10 @@ static int ep93xx_spi_chip_setup(struct spi_master *master,
return err;
cr0 = div_scr << SSPCR0_SCR_SHIFT;
- cr0 |= (spi->mode & (SPI_CPHA | SPI_CPOL)) << SSPCR0_MODE_SHIFT;
+ if (spi->mode & SPI_CPOL)
+ cr0 |= SSPCR0_SPO;
+ if (spi->mode & SPI_CPHA)
+ cr0 |= SSPCR0_SPH;
cr0 |= dss;
dev_dbg(&master->dev, "setup: mode %d, cpsr %d, scr %d, dss %d\n",
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 50e41f66a2d7..a35faced0456 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0+
//
// Copyright 2013 Freescale Semiconductor, Inc.
+// Copyright 2020 NXP
//
// Freescale DSPI driver
// This file contains a driver for the Freescale DSPI
@@ -26,6 +27,9 @@
#define SPI_MCR_CLR_TXF BIT(11)
#define SPI_MCR_CLR_RXF BIT(10)
#define SPI_MCR_XSPI BIT(3)
+#define SPI_MCR_DIS_TXF BIT(13)
+#define SPI_MCR_DIS_RXF BIT(12)
+#define SPI_MCR_HALT BIT(0)
#define SPI_TCR 0x08
#define SPI_TCR_GET_TCNT(x) (((x) & GENMASK(31, 16)) >> 16)
@@ -246,13 +250,33 @@ struct fsl_dspi {
static void dspi_native_host_to_dev(struct fsl_dspi *dspi, u32 *txdata)
{
- memcpy(txdata, dspi->tx, dspi->oper_word_size);
+ switch (dspi->oper_word_size) {
+ case 1:
+ *txdata = *(u8 *)dspi->tx;
+ break;
+ case 2:
+ *txdata = *(u16 *)dspi->tx;
+ break;
+ case 4:
+ *txdata = *(u32 *)dspi->tx;
+ break;
+ }
dspi->tx += dspi->oper_word_size;
}
static void dspi_native_dev_to_host(struct fsl_dspi *dspi, u32 rxdata)
{
- memcpy(dspi->rx, &rxdata, dspi->oper_word_size);
+ switch (dspi->oper_word_size) {
+ case 1:
+ *(u8 *)dspi->rx = rxdata;
+ break;
+ case 2:
+ *(u16 *)dspi->rx = rxdata;
+ break;
+ case 4:
+ *(u32 *)dspi->rx = rxdata;
+ break;
+ }
dspi->rx += dspi->oper_word_size;
}
@@ -1417,6 +1441,24 @@ static int dspi_remove(struct platform_device *pdev)
return 0;
}
+static void dspi_shutdown(struct platform_device *pdev)
+{
+ struct spi_controller *ctlr = platform_get_drvdata(pdev);
+ struct fsl_dspi *dspi = spi_controller_get_devdata(ctlr);
+
+ /* Disable RX and TX */
+ regmap_update_bits(dspi->regmap, SPI_MCR,
+ SPI_MCR_DIS_TXF | SPI_MCR_DIS_RXF,
+ SPI_MCR_DIS_TXF | SPI_MCR_DIS_RXF);
+
+ /* Stop Running */
+ regmap_update_bits(dspi->regmap, SPI_MCR, SPI_MCR_HALT, SPI_MCR_HALT);
+
+ dspi_release_dma(dspi);
+ clk_disable_unprepare(dspi->clk);
+ spi_unregister_controller(dspi->ctlr);
+}
+
static struct platform_driver fsl_dspi_driver = {
.driver.name = DRIVER_NAME,
.driver.of_match_table = fsl_dspi_dt_ids,
@@ -1424,6 +1466,7 @@ static struct platform_driver fsl_dspi_driver = {
.driver.pm = &dspi_pm,
.probe = dspi_probe,
.remove = dspi_remove,
+ .shutdown = dspi_shutdown,
};
module_platform_driver(fsl_dspi_driver);
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 8b41b70f6f5c..1552b28b9515 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -186,14 +186,13 @@ static bool fsl_lpspi_can_dma(struct spi_controller *controller,
bytes_per_word = fsl_lpspi_bytes_per_word(transfer->bits_per_word);
- switch (bytes_per_word)
- {
- case 1:
- case 2:
- case 4:
- break;
- default:
- return false;
+ switch (bytes_per_word) {
+ case 1:
+ case 2:
+ case 4:
+ break;
+ default:
+ return false;
}
return true;
@@ -941,7 +940,7 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(fsl_lpspi->dev);
if (ret < 0) {
dev_err(fsl_lpspi->dev, "failed to enable clock\n");
- goto out_controller_put;
+ goto out_pm_get;
}
temp = readl(fsl_lpspi->base + IMX7ULP_PARAM);
@@ -950,13 +949,15 @@ static int fsl_lpspi_probe(struct platform_device *pdev)
ret = fsl_lpspi_dma_init(&pdev->dev, fsl_lpspi, controller);
if (ret == -EPROBE_DEFER)
- goto out_controller_put;
+ goto out_pm_get;
if (ret < 0)
dev_err(&pdev->dev, "dma setup error %d, use pio\n", ret);
return 0;
+out_pm_get:
+ pm_runtime_put_noidle(fsl_lpspi->dev);
out_controller_put:
spi_controller_put(controller);
diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c
index 02e5cba0a5bb..6766262d7e75 100644
--- a/drivers/spi/spi-fsl-qspi.c
+++ b/drivers/spi/spi-fsl-qspi.c
@@ -876,14 +876,15 @@ static int fsl_qspi_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"QuadSPI-memory");
- q->ahb_addr = devm_ioremap_resource(dev, res);
- if (IS_ERR(q->ahb_addr)) {
- ret = PTR_ERR(q->ahb_addr);
+ q->memmap_phy = res->start;
+ /* Since there are 4 cs, map size required is 4 times ahb_buf_size */
+ q->ahb_addr = devm_ioremap(dev, q->memmap_phy,
+ (q->devtype_data->ahb_buf_size * 4));
+ if (!q->ahb_addr) {
+ ret = -ENOMEM;
goto err_put_ctrl;
}
- q->memmap_phy = res->start;
-
/* find the clocks */
q->clk_en = devm_clk_get(dev, "qspi_en");
if (IS_ERR(q->clk_en)) {
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 3b81772fea0d..67f022b8c81d 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -588,7 +588,7 @@ static void fsl_spi_grlib_probe(struct device *dev)
pdata->cs_control = fsl_spi_grlib_cs_control;
}
-static struct spi_master * fsl_spi_probe(struct device *dev,
+static struct spi_master *fsl_spi_probe(struct device *dev,
struct resource *mem, unsigned int irq)
{
struct fsl_spi_platform_data *pdata = dev_get_platdata(dev);
diff --git a/drivers/spi/spi-hisi-sfc-v3xx.c b/drivers/spi/spi-hisi-sfc-v3xx.c
index e3b57252d075..64a18d08a4d9 100644
--- a/drivers/spi/spi-hisi-sfc-v3xx.c
+++ b/drivers/spi/spi-hisi-sfc-v3xx.c
@@ -17,6 +17,11 @@
#define HISI_SFC_V3XX_VERSION (0x1f8)
+#define HISI_SFC_V3XX_INT_STAT (0x120)
+#define HISI_SFC_V3XX_INT_STAT_PP_ERR BIT(2)
+#define HISI_SFC_V3XX_INT_STAT_ADDR_IACCES BIT(5)
+#define HISI_SFC_V3XX_INT_CLR (0x12c)
+#define HISI_SFC_V3XX_INT_CLR_CLEAR (0xff)
#define HISI_SFC_V3XX_CMD_CFG (0x300)
#define HISI_SFC_V3XX_CMD_CFG_DUAL_IN_DUAL_OUT (1 << 17)
#define HISI_SFC_V3XX_CMD_CFG_DUAL_IO (2 << 17)
@@ -163,7 +168,7 @@ static int hisi_sfc_v3xx_generic_exec_op(struct hisi_sfc_v3xx_host *host,
u8 chip_select)
{
int ret, len = op->data.nbytes;
- u32 config = 0;
+ u32 int_stat, config = 0;
if (op->addr.nbytes)
config |= HISI_SFC_V3XX_CMD_CFG_ADDR_EN_MSK;
@@ -228,6 +233,25 @@ static int hisi_sfc_v3xx_generic_exec_op(struct hisi_sfc_v3xx_host *host,
if (ret)
return ret;
+ /*
+ * The interrupt status register indicates whether an error occurs
+ * after per operation. Check it, and clear the interrupts for
+ * next time judgement.
+ */
+ int_stat = readl(host->regbase + HISI_SFC_V3XX_INT_STAT);
+ writel(HISI_SFC_V3XX_INT_CLR_CLEAR,
+ host->regbase + HISI_SFC_V3XX_INT_CLR);
+
+ if (int_stat & HISI_SFC_V3XX_INT_STAT_ADDR_IACCES) {
+ dev_err(host->dev, "fail to access protected address\n");
+ return -EIO;
+ }
+
+ if (int_stat & HISI_SFC_V3XX_INT_STAT_PP_ERR) {
+ dev_err(host->dev, "page program operation failed\n");
+ return -EIO;
+ }
+
if (op->data.dir == SPI_MEM_DATA_IN)
hisi_sfc_v3xx_read_databuf(host, op->data.buf.in, len);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index f4f28a400a96..b7a85e3fe1c1 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -71,6 +71,7 @@ struct spi_imx_devtype_data {
void (*reset)(struct spi_imx_data *);
void (*setup_wml)(struct spi_imx_data *);
void (*disable)(struct spi_imx_data *);
+ void (*disable_dma)(struct spi_imx_data *);
bool has_dmamode;
bool has_slavemode;
unsigned int fifo_size;
@@ -485,6 +486,11 @@ static void mx51_ecspi_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MX51_ECSPI_CTRL);
}
+static void mx51_disable_dma(struct spi_imx_data *spi_imx)
+{
+ writel(0, spi_imx->base + MX51_ECSPI_DMA);
+}
+
static void mx51_ecspi_disable(struct spi_imx_data *spi_imx)
{
u32 ctrl;
@@ -987,6 +993,7 @@ static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
.rx_available = mx51_ecspi_rx_available,
.reset = mx51_ecspi_reset,
.setup_wml = mx51_setup_wml,
+ .disable_dma = mx51_disable_dma,
.fifo_size = 64,
.has_dmamode = true,
.dynamic_burst = true,
@@ -1001,6 +1008,7 @@ static struct spi_imx_devtype_data imx53_ecspi_devtype_data = {
.prepare_transfer = mx51_ecspi_prepare_transfer,
.trigger = mx51_ecspi_trigger,
.rx_available = mx51_ecspi_rx_available,
+ .disable_dma = mx51_disable_dma,
.reset = mx51_ecspi_reset,
.fifo_size = 64,
.has_dmamode = true,
@@ -1385,6 +1393,7 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc_tx) {
dmaengine_terminate_all(master->dma_tx);
+ dmaengine_terminate_all(master->dma_rx);
return -EINVAL;
}
@@ -1498,6 +1507,7 @@ static int spi_imx_transfer(struct spi_device *spi,
struct spi_transfer *transfer)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
+ int ret;
/* flush rxfifo before transfer */
while (spi_imx->devtype_data->rx_available(spi_imx))
@@ -1506,10 +1516,23 @@ static int spi_imx_transfer(struct spi_device *spi,
if (spi_imx->slave_mode)
return spi_imx_pio_transfer_slave(spi, transfer);
- if (spi_imx->usedma)
- return spi_imx_dma_transfer(spi_imx, transfer);
- else
- return spi_imx_pio_transfer(spi, transfer);
+ /*
+ * fallback PIO mode if dma setup error happen, for example sdma
+ * firmware may not be updated as ERR009165 required.
+ */
+ if (spi_imx->usedma) {
+ ret = spi_imx_dma_transfer(spi_imx, transfer);
+ if (ret != -EINVAL)
+ return ret;
+
+ spi_imx->devtype_data->disable_dma(spi_imx);
+
+ spi_imx->usedma = false;
+ spi_imx->dynamic_burst = spi_imx->devtype_data->dynamic_burst;
+ dev_dbg(&spi->dev, "Fallback to PIO mode\n");
+ }
+
+ return spi_imx_pio_transfer(spi, transfer);
}
static int spi_imx_setup(struct spi_device *spi)
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index adaa0c49f966..9a86cc27fcc0 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -108,15 +108,17 @@ static int spi_check_buswidth_req(struct spi_mem *mem, u8 buswidth, bool tx)
return 0;
case 2:
- if ((tx && (mode & (SPI_TX_DUAL | SPI_TX_QUAD))) ||
- (!tx && (mode & (SPI_RX_DUAL | SPI_RX_QUAD))))
+ if ((tx &&
+ (mode & (SPI_TX_DUAL | SPI_TX_QUAD | SPI_TX_OCTAL))) ||
+ (!tx &&
+ (mode & (SPI_RX_DUAL | SPI_RX_QUAD | SPI_RX_OCTAL))))
return 0;
break;
case 4:
- if ((tx && (mode & SPI_TX_QUAD)) ||
- (!tx && (mode & SPI_RX_QUAD)))
+ if ((tx && (mode & (SPI_TX_QUAD | SPI_TX_OCTAL))) ||
+ (!tx && (mode & (SPI_RX_QUAD | SPI_RX_OCTAL))))
return 0;
break;
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
index c15a9910549f..7bc302b50396 100644
--- a/drivers/spi/spi-mtk-nor.c
+++ b/drivers/spi/spi-mtk-nor.c
@@ -391,7 +391,7 @@ static int mtk_nor_pp_unbuffered(struct mtk_nor *sp,
return mtk_nor_cmd_exec(sp, MTK_NOR_CMD_WRITE, 6 * BITS_PER_BYTE);
}
-int mtk_nor_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
+static int mtk_nor_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
{
struct mtk_nor *sp = spi_controller_get_devdata(mem->spi->master);
int ret;
diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index 4f94c9127fc1..cc9ef371db14 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -51,6 +51,10 @@ static int spi_mux_select(struct spi_device *spi)
struct spi_mux_priv *priv = spi_controller_get_devdata(spi->controller);
int ret;
+ ret = mux_control_select(priv->mux, spi->chip_select);
+ if (ret)
+ return ret;
+
if (priv->current_cs == spi->chip_select)
return 0;
@@ -62,10 +66,6 @@ static int spi_mux_select(struct spi_device *spi)
priv->spi->mode = spi->mode;
priv->spi->bits_per_word = spi->bits_per_word;
- ret = mux_control_select(priv->mux, spi->chip_select);
- if (ret)
- return ret;
-
priv->current_cs = spi->chip_select;
return 0;
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 1f59beb7d27e..43f73db22f21 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -17,10 +17,8 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/clk.h>
#include <linux/sizes.h>
-#include <linux/gpio.h>
#include <asm/unaligned.h>
#define DRIVER_NAME "orion_spi"
@@ -98,7 +96,6 @@ struct orion_spi {
struct clk *clk;
struct clk *axi_clk;
const struct orion_spi_dev *devdata;
- int unused_hw_gpio;
struct orion_child_options child[ORION_NUM_CHIPSELECTS];
};
@@ -325,20 +322,27 @@ orion_spi_setup_transfer(struct spi_device *spi, struct spi_transfer *t)
static void orion_spi_set_cs(struct spi_device *spi, bool enable)
{
struct orion_spi *orion_spi;
- int cs;
orion_spi = spi_master_get_devdata(spi->master);
- if (gpio_is_valid(spi->cs_gpio))
- cs = orion_spi->unused_hw_gpio;
- else
- cs = spi->chip_select;
-
+ /*
+ * If this line is using a GPIO to control chip select, this internal
+ * .set_cs() function will still be called, so we clear any previous
+ * chip select. The CS we activate will not have any elecrical effect,
+ * as it is handled by a GPIO, but that doesn't matter. What we need
+ * is to deassert the old chip select and assert some other chip select.
+ */
orion_spi_clrbits(orion_spi, ORION_SPI_IF_CTRL_REG, ORION_SPI_CS_MASK);
orion_spi_setbits(orion_spi, ORION_SPI_IF_CTRL_REG,
- ORION_SPI_CS(cs));
+ ORION_SPI_CS(spi->chip_select));
- /* Chip select logic is inverted from spi_set_cs */
+ /*
+ * Chip select logic is inverted from spi_set_cs(). For lines using a
+ * GPIO to do chip select SPI_CS_HIGH is enforced and inversion happens
+ * in the GPIO library, but we don't care about that, because in those
+ * cases we are dealing with an unused native CS anyways so the polarity
+ * doesn't matter.
+ */
if (!enable)
orion_spi_setbits(orion_spi, ORION_SPI_IF_CTRL_REG, 0x1);
else
@@ -503,9 +507,6 @@ static int orion_spi_transfer_one(struct spi_master *master,
static int orion_spi_setup(struct spi_device *spi)
{
- if (gpio_is_valid(spi->cs_gpio)) {
- gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));
- }
return orion_spi_setup_transfer(spi, NULL);
}
@@ -622,13 +623,13 @@ static int orion_spi_probe(struct platform_device *pdev)
master->setup = orion_spi_setup;
master->bits_per_word_mask = SPI_BPW_MASK(8) | SPI_BPW_MASK(16);
master->auto_runtime_pm = true;
+ master->use_gpio_descriptors = true;
master->flags = SPI_MASTER_GPIO_SS;
platform_set_drvdata(pdev, master);
spi = spi_master_get_devdata(master);
spi->master = master;
- spi->unused_hw_gpio = -1;
of_id = of_match_device(orion_spi_of_match_table, &pdev->dev);
devdata = (of_id) ? of_id->data : &orion_spi_dev_data;
@@ -683,7 +684,6 @@ static int orion_spi_probe(struct platform_device *pdev)
for_each_available_child_of_node(pdev->dev.of_node, np) {
struct orion_direct_acc *dir_acc;
u32 cs;
- int cs_gpio;
/* Get chip-select number from the "reg" property */
status = of_property_read_u32(np, "reg", &cs);
@@ -695,44 +695,6 @@ static int orion_spi_probe(struct platform_device *pdev)
}
/*
- * Initialize the CS GPIO:
- * - properly request the actual GPIO signal
- * - de-assert the logical signal so that all GPIO CS lines
- * are inactive when probing for slaves
- * - find an unused physical CS which will be driven for any
- * slave which uses a CS GPIO
- */
- cs_gpio = of_get_named_gpio(pdev->dev.of_node, "cs-gpios", cs);
- if (cs_gpio > 0) {
- char *gpio_name;
- int cs_flags;
-
- if (spi->unused_hw_gpio == -1) {
- dev_info(&pdev->dev,
- "Selected unused HW CS#%d for any GPIO CSes\n",
- cs);
- spi->unused_hw_gpio = cs;
- }
-
- gpio_name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
- "%s-CS%d", dev_name(&pdev->dev), cs);
- if (!gpio_name) {
- status = -ENOMEM;
- goto out_rel_axi_clk;
- }
-
- cs_flags = of_property_read_bool(np, "spi-cs-high") ?
- GPIOF_OUT_INIT_LOW : GPIOF_OUT_INIT_HIGH;
- status = devm_gpio_request_one(&pdev->dev, cs_gpio,
- cs_flags, gpio_name);
- if (status) {
- dev_err(&pdev->dev,
- "Can't request GPIO for CS %d\n", cs);
- goto out_rel_axi_clk;
- }
- }
-
- /*
* Check if an address is configured for this SPI device. If
* not, the MBus mapping via the 'ranges' property in the 'soc'
* node is not configured and this device should not use the
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 73d2a65d0b6e..6721910e5f2a 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -150,6 +150,7 @@ static const struct lpss_config lpss_platforms[] = {
.tx_threshold_hi = 48,
.cs_sel_shift = 8,
.cs_sel_mask = 3 << 8,
+ .cs_clk_stays_gated = true,
},
{ /* LPSS_CNL_SSP */
.offset = 0x200,
@@ -1884,7 +1885,7 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
/* Register with the SPI framework */
platform_set_drvdata(pdev, drv_data);
- status = devm_spi_register_controller(&pdev->dev, controller);
+ status = spi_register_controller(controller);
if (status != 0) {
dev_err(&pdev->dev, "problem registering spi controller\n");
goto out_error_pm_runtime_enabled;
@@ -1893,7 +1894,6 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
return status;
out_error_pm_runtime_enabled:
- pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
out_error_clock_enabled:
@@ -1916,6 +1916,8 @@ static int pxa2xx_spi_remove(struct platform_device *pdev)
pm_runtime_get_sync(&pdev->dev);
+ spi_unregister_controller(drv_data->controller);
+
/* Disable the SSP at the peripheral and SOC level */
pxa2xx_spi_write(drv_data, SSCR0, 0);
clk_disable_unprepare(ssp->clk);
diff --git a/drivers/spi/spi-rb4xx.c b/drivers/spi/spi-rb4xx.c
index 4c9620e0d18c..8aa51beb4ff3 100644
--- a/drivers/spi/spi-rb4xx.c
+++ b/drivers/spi/spi-rb4xx.c
@@ -14,6 +14,7 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/spi/spi.h>
+#include <linux/of.h>
#include <asm/mach-ath79/ar71xx_regs.h>
@@ -150,6 +151,7 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
if (IS_ERR(ahb_clk))
return PTR_ERR(ahb_clk);
+ master->dev.of_node = pdev->dev.of_node;
master->bus_num = 0;
master->num_chipselect = 3;
master->mode_bits = SPI_TX_DUAL;
@@ -158,6 +160,11 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
master->transfer_one = rb4xx_transfer_one;
master->set_cs = rb4xx_set_cs;
+ rbspi = spi_master_get_devdata(master);
+ rbspi->base = spi_base;
+ rbspi->clk = ahb_clk;
+ platform_set_drvdata(pdev, rbspi);
+
err = devm_spi_register_master(&pdev->dev, master);
if (err) {
dev_err(&pdev->dev, "failed to register SPI master\n");
@@ -168,11 +175,6 @@ static int rb4xx_spi_probe(struct platform_device *pdev)
if (err)
return err;
- rbspi = spi_master_get_devdata(master);
- rbspi->base = spi_base;
- rbspi->clk = ahb_clk;
- platform_set_drvdata(pdev, rbspi);
-
/* Enable SPI */
rb4xx_write(rbspi, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
@@ -188,11 +190,18 @@ static int rb4xx_spi_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id rb4xx_spi_dt_match[] = {
+ { .compatible = "mikrotik,rb4xx-spi" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rb4xx_spi_dt_match);
+
static struct platform_driver rb4xx_spi_drv = {
.probe = rb4xx_spi_probe,
.remove = rb4xx_spi_remove,
.driver = {
.name = "rb4xx-spi",
+ .of_match_table = of_match_ptr(rb4xx_spi_dt_match),
},
};
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 70ef63e0b6b8..9b8a5e1233c0 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -183,6 +183,8 @@ struct rockchip_spi {
u8 rsd;
bool cs_asserted[ROCKCHIP_SPI_MAX_CS_NUM];
+
+ bool slave_abort;
};
static inline void spi_enable_chip(struct rockchip_spi *rs, bool enable)
@@ -219,8 +221,8 @@ static u32 get_fifo_len(struct rockchip_spi *rs)
static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
{
- struct spi_master *master = spi->master;
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = spi->controller;
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
bool cs_asserted = !enable;
/* Return immediately for no-op */
@@ -244,10 +246,10 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
rs->cs_asserted[spi->chip_select] = cs_asserted;
}
-static void rockchip_spi_handle_err(struct spi_master *master,
+static void rockchip_spi_handle_err(struct spi_controller *ctlr,
struct spi_message *msg)
{
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
/* stop running spi transfer
* this also flushes both rx and tx fifos
@@ -258,10 +260,10 @@ static void rockchip_spi_handle_err(struct spi_master *master,
writel_relaxed(0, rs->regs + ROCKCHIP_SPI_IMR);
if (atomic_read(&rs->state) & TXDMA)
- dmaengine_terminate_async(master->dma_tx);
+ dmaengine_terminate_async(ctlr->dma_tx);
if (atomic_read(&rs->state) & RXDMA)
- dmaengine_terminate_async(master->dma_rx);
+ dmaengine_terminate_async(ctlr->dma_rx);
}
static void rockchip_spi_pio_writer(struct rockchip_spi *rs)
@@ -319,8 +321,8 @@ static void rockchip_spi_pio_reader(struct rockchip_spi *rs)
static irqreturn_t rockchip_spi_isr(int irq, void *dev_id)
{
- struct spi_master *master = dev_id;
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = dev_id;
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
if (rs->tx_left)
rockchip_spi_pio_writer(rs);
@@ -329,7 +331,7 @@ static irqreturn_t rockchip_spi_isr(int irq, void *dev_id)
if (!rs->rx_left) {
spi_enable_chip(rs, false);
writel_relaxed(0, rs->regs + ROCKCHIP_SPI_IMR);
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(ctlr);
}
return IRQ_HANDLED;
@@ -355,35 +357,35 @@ static int rockchip_spi_prepare_irq(struct rockchip_spi *rs,
static void rockchip_spi_dma_rxcb(void *data)
{
- struct spi_master *master = data;
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = data;
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
int state = atomic_fetch_andnot(RXDMA, &rs->state);
- if (state & TXDMA)
+ if (state & TXDMA && !rs->slave_abort)
return;
spi_enable_chip(rs, false);
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(ctlr);
}
static void rockchip_spi_dma_txcb(void *data)
{
- struct spi_master *master = data;
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = data;
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
int state = atomic_fetch_andnot(TXDMA, &rs->state);
- if (state & RXDMA)
+ if (state & RXDMA && !rs->slave_abort)
return;
/* Wait until the FIFO data completely. */
wait_for_idle(rs);
spi_enable_chip(rs, false);
- spi_finalize_current_transfer(master);
+ spi_finalize_current_transfer(ctlr);
}
static int rockchip_spi_prepare_dma(struct rockchip_spi *rs,
- struct spi_master *master, struct spi_transfer *xfer)
+ struct spi_controller *ctlr, struct spi_transfer *xfer)
{
struct dma_async_tx_descriptor *rxdesc, *txdesc;
@@ -398,17 +400,17 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs,
.src_maxburst = 1,
};
- dmaengine_slave_config(master->dma_rx, &rxconf);
+ dmaengine_slave_config(ctlr->dma_rx, &rxconf);
rxdesc = dmaengine_prep_slave_sg(
- master->dma_rx,
+ ctlr->dma_rx,
xfer->rx_sg.sgl, xfer->rx_sg.nents,
DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);
if (!rxdesc)
return -EINVAL;
rxdesc->callback = rockchip_spi_dma_rxcb;
- rxdesc->callback_param = master;
+ rxdesc->callback_param = ctlr;
}
txdesc = NULL;
@@ -420,27 +422,27 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs,
.dst_maxburst = rs->fifo_len / 4,
};
- dmaengine_slave_config(master->dma_tx, &txconf);
+ dmaengine_slave_config(ctlr->dma_tx, &txconf);
txdesc = dmaengine_prep_slave_sg(
- master->dma_tx,
+ ctlr->dma_tx,
xfer->tx_sg.sgl, xfer->tx_sg.nents,
DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT);
if (!txdesc) {
if (rxdesc)
- dmaengine_terminate_sync(master->dma_rx);
+ dmaengine_terminate_sync(ctlr->dma_rx);
return -EINVAL;
}
txdesc->callback = rockchip_spi_dma_txcb;
- txdesc->callback_param = master;
+ txdesc->callback_param = ctlr;
}
/* rx must be started before tx due to spi instinct */
if (rxdesc) {
atomic_or(RXDMA, &rs->state);
dmaengine_submit(rxdesc);
- dma_async_issue_pending(master->dma_rx);
+ dma_async_issue_pending(ctlr->dma_rx);
}
spi_enable_chip(rs, true);
@@ -448,7 +450,7 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs,
if (txdesc) {
atomic_or(TXDMA, &rs->state);
dmaengine_submit(txdesc);
- dma_async_issue_pending(master->dma_tx);
+ dma_async_issue_pending(ctlr->dma_tx);
}
/* 1 means the transfer is in progress */
@@ -457,7 +459,7 @@ static int rockchip_spi_prepare_dma(struct rockchip_spi *rs,
static void rockchip_spi_config(struct rockchip_spi *rs,
struct spi_device *spi, struct spi_transfer *xfer,
- bool use_dma)
+ bool use_dma, bool slave_mode)
{
u32 cr0 = CR0_FRF_SPI << CR0_FRF_OFFSET
| CR0_BHT_8BIT << CR0_BHT_OFFSET
@@ -466,6 +468,10 @@ static void rockchip_spi_config(struct rockchip_spi *rs,
u32 cr1;
u32 dmacr = 0;
+ if (slave_mode)
+ cr0 |= CR0_OPM_SLAVE << CR0_OPM_OFFSET;
+ rs->slave_abort = false;
+
cr0 |= rs->rsd << CR0_RSD_OFFSET;
cr0 |= (spi->mode & 0x3U) << CR0_SCPH_OFFSET;
if (spi->mode & SPI_LSB_FIRST)
@@ -493,7 +499,7 @@ static void rockchip_spi_config(struct rockchip_spi *rs,
break;
default:
/* we only whitelist 4, 8 and 16 bit words in
- * master->bits_per_word_mask, so this shouldn't
+ * ctlr->bits_per_word_mask, so this shouldn't
* happen
*/
unreachable();
@@ -535,12 +541,22 @@ static size_t rockchip_spi_max_transfer_size(struct spi_device *spi)
return ROCKCHIP_SPI_MAX_TRANLEN;
}
+static int rockchip_spi_slave_abort(struct spi_controller *ctlr)
+{
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
+
+ rs->slave_abort = true;
+ complete(&ctlr->xfer_completion);
+
+ return 0;
+}
+
static int rockchip_spi_transfer_one(
- struct spi_master *master,
+ struct spi_controller *ctlr,
struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
bool use_dma;
WARN_ON(readl_relaxed(rs->regs + ROCKCHIP_SPI_SSIENR) &&
@@ -558,21 +574,21 @@ static int rockchip_spi_transfer_one(
rs->n_bytes = xfer->bits_per_word <= 8 ? 1 : 2;
- use_dma = master->can_dma ? master->can_dma(master, spi, xfer) : false;
+ use_dma = ctlr->can_dma ? ctlr->can_dma(ctlr, spi, xfer) : false;
- rockchip_spi_config(rs, spi, xfer, use_dma);
+ rockchip_spi_config(rs, spi, xfer, use_dma, ctlr->slave);
if (use_dma)
- return rockchip_spi_prepare_dma(rs, master, xfer);
+ return rockchip_spi_prepare_dma(rs, ctlr, xfer);
return rockchip_spi_prepare_irq(rs, xfer);
}
-static bool rockchip_spi_can_dma(struct spi_master *master,
+static bool rockchip_spi_can_dma(struct spi_controller *ctlr,
struct spi_device *spi,
struct spi_transfer *xfer)
{
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
unsigned int bytes_per_word = xfer->bits_per_word <= 8 ? 1 : 2;
/* if the numbor of spi words to transfer is less than the fifo
@@ -586,44 +602,55 @@ static int rockchip_spi_probe(struct platform_device *pdev)
{
int ret;
struct rockchip_spi *rs;
- struct spi_master *master;
+ struct spi_controller *ctlr;
struct resource *mem;
+ struct device_node *np = pdev->dev.of_node;
u32 rsd_nsecs;
+ bool slave_mode;
+
+ slave_mode = of_property_read_bool(np, "spi-slave");
+
+ if (slave_mode)
+ ctlr = spi_alloc_slave(&pdev->dev,
+ sizeof(struct rockchip_spi));
+ else
+ ctlr = spi_alloc_master(&pdev->dev,
+ sizeof(struct rockchip_spi));
- master = spi_alloc_master(&pdev->dev, sizeof(struct rockchip_spi));
- if (!master)
+ if (!ctlr)
return -ENOMEM;
- platform_set_drvdata(pdev, master);
+ platform_set_drvdata(pdev, ctlr);
- rs = spi_master_get_devdata(master);
+ rs = spi_controller_get_devdata(ctlr);
+ ctlr->slave = slave_mode;
/* Get basic io resource and map it */
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
rs->regs = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(rs->regs)) {
ret = PTR_ERR(rs->regs);
- goto err_put_master;
+ goto err_put_ctlr;
}
rs->apb_pclk = devm_clk_get(&pdev->dev, "apb_pclk");
if (IS_ERR(rs->apb_pclk)) {
dev_err(&pdev->dev, "Failed to get apb_pclk\n");
ret = PTR_ERR(rs->apb_pclk);
- goto err_put_master;
+ goto err_put_ctlr;
}
rs->spiclk = devm_clk_get(&pdev->dev, "spiclk");
if (IS_ERR(rs->spiclk)) {
dev_err(&pdev->dev, "Failed to get spi_pclk\n");
ret = PTR_ERR(rs->spiclk);
- goto err_put_master;
+ goto err_put_ctlr;
}
ret = clk_prepare_enable(rs->apb_pclk);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to enable apb_pclk\n");
- goto err_put_master;
+ goto err_put_ctlr;
}
ret = clk_prepare_enable(rs->spiclk);
@@ -639,7 +666,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
goto err_disable_spiclk;
ret = devm_request_threaded_irq(&pdev->dev, ret, rockchip_spi_isr, NULL,
- IRQF_ONESHOT, dev_name(&pdev->dev), master);
+ IRQF_ONESHOT, dev_name(&pdev->dev), ctlr);
if (ret)
goto err_disable_spiclk;
@@ -673,78 +700,90 @@ static int rockchip_spi_probe(struct platform_device *pdev)
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
- master->auto_runtime_pm = true;
- master->bus_num = pdev->id;
- master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LOOP | SPI_LSB_FIRST;
- master->num_chipselect = ROCKCHIP_SPI_MAX_CS_NUM;
- master->dev.of_node = pdev->dev.of_node;
- master->bits_per_word_mask = SPI_BPW_MASK(16) | SPI_BPW_MASK(8) | SPI_BPW_MASK(4);
- master->min_speed_hz = rs->freq / BAUDR_SCKDV_MAX;
- master->max_speed_hz = min(rs->freq / BAUDR_SCKDV_MIN, MAX_SCLK_OUT);
-
- master->set_cs = rockchip_spi_set_cs;
- master->transfer_one = rockchip_spi_transfer_one;
- master->max_transfer_size = rockchip_spi_max_transfer_size;
- master->handle_err = rockchip_spi_handle_err;
- master->flags = SPI_MASTER_GPIO_SS;
-
- master->dma_tx = dma_request_chan(rs->dev, "tx");
- if (IS_ERR(master->dma_tx)) {
+ ctlr->auto_runtime_pm = true;
+ ctlr->bus_num = pdev->id;
+ ctlr->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LOOP | SPI_LSB_FIRST;
+ if (slave_mode) {
+ ctlr->mode_bits |= SPI_NO_CS;
+ ctlr->slave_abort = rockchip_spi_slave_abort;
+ } else {
+ ctlr->flags = SPI_MASTER_GPIO_SS;
+ ctlr->max_native_cs = ROCKCHIP_SPI_MAX_CS_NUM;
+ /*
+ * rk spi0 has two native cs, spi1..5 one cs only
+ * if num-cs is missing in the dts, default to 1
+ */
+ if (of_property_read_u16(np, "num-cs", &ctlr->num_chipselect))
+ ctlr->num_chipselect = 1;
+ ctlr->use_gpio_descriptors = true;
+ }
+ ctlr->dev.of_node = pdev->dev.of_node;
+ ctlr->bits_per_word_mask = SPI_BPW_MASK(16) | SPI_BPW_MASK(8) | SPI_BPW_MASK(4);
+ ctlr->min_speed_hz = rs->freq / BAUDR_SCKDV_MAX;
+ ctlr->max_speed_hz = min(rs->freq / BAUDR_SCKDV_MIN, MAX_SCLK_OUT);
+
+ ctlr->set_cs = rockchip_spi_set_cs;
+ ctlr->transfer_one = rockchip_spi_transfer_one;
+ ctlr->max_transfer_size = rockchip_spi_max_transfer_size;
+ ctlr->handle_err = rockchip_spi_handle_err;
+
+ ctlr->dma_tx = dma_request_chan(rs->dev, "tx");
+ if (IS_ERR(ctlr->dma_tx)) {
/* Check tx to see if we need defer probing driver */
- if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
+ if (PTR_ERR(ctlr->dma_tx) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto err_disable_pm_runtime;
}
dev_warn(rs->dev, "Failed to request TX DMA channel\n");
- master->dma_tx = NULL;
+ ctlr->dma_tx = NULL;
}
- master->dma_rx = dma_request_chan(rs->dev, "rx");
- if (IS_ERR(master->dma_rx)) {
- if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER) {
+ ctlr->dma_rx = dma_request_chan(rs->dev, "rx");
+ if (IS_ERR(ctlr->dma_rx)) {
+ if (PTR_ERR(ctlr->dma_rx) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto err_free_dma_tx;
}
dev_warn(rs->dev, "Failed to request RX DMA channel\n");
- master->dma_rx = NULL;
+ ctlr->dma_rx = NULL;
}
- if (master->dma_tx && master->dma_rx) {
+ if (ctlr->dma_tx && ctlr->dma_rx) {
rs->dma_addr_tx = mem->start + ROCKCHIP_SPI_TXDR;
rs->dma_addr_rx = mem->start + ROCKCHIP_SPI_RXDR;
- master->can_dma = rockchip_spi_can_dma;
+ ctlr->can_dma = rockchip_spi_can_dma;
}
- ret = devm_spi_register_master(&pdev->dev, master);
+ ret = devm_spi_register_controller(&pdev->dev, ctlr);
if (ret < 0) {
- dev_err(&pdev->dev, "Failed to register master\n");
+ dev_err(&pdev->dev, "Failed to register controller\n");
goto err_free_dma_rx;
}
return 0;
err_free_dma_rx:
- if (master->dma_rx)
- dma_release_channel(master->dma_rx);
+ if (ctlr->dma_rx)
+ dma_release_channel(ctlr->dma_rx);
err_free_dma_tx:
- if (master->dma_tx)
- dma_release_channel(master->dma_tx);
+ if (ctlr->dma_tx)
+ dma_release_channel(ctlr->dma_tx);
err_disable_pm_runtime:
pm_runtime_disable(&pdev->dev);
err_disable_spiclk:
clk_disable_unprepare(rs->spiclk);
err_disable_apbclk:
clk_disable_unprepare(rs->apb_pclk);
-err_put_master:
- spi_master_put(master);
+err_put_ctlr:
+ spi_controller_put(ctlr);
return ret;
}
static int rockchip_spi_remove(struct platform_device *pdev)
{
- struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = spi_controller_get(platform_get_drvdata(pdev));
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
pm_runtime_get_sync(&pdev->dev);
@@ -755,12 +794,12 @@ static int rockchip_spi_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
- if (master->dma_tx)
- dma_release_channel(master->dma_tx);
- if (master->dma_rx)
- dma_release_channel(master->dma_rx);
+ if (ctlr->dma_tx)
+ dma_release_channel(ctlr->dma_tx);
+ if (ctlr->dma_rx)
+ dma_release_channel(ctlr->dma_rx);
- spi_master_put(master);
+ spi_controller_put(ctlr);
return 0;
}
@@ -769,9 +808,9 @@ static int rockchip_spi_remove(struct platform_device *pdev)
static int rockchip_spi_suspend(struct device *dev)
{
int ret;
- struct spi_master *master = dev_get_drvdata(dev);
+ struct spi_controller *ctlr = dev_get_drvdata(dev);
- ret = spi_master_suspend(master);
+ ret = spi_controller_suspend(ctlr);
if (ret < 0)
return ret;
@@ -787,8 +826,8 @@ static int rockchip_spi_suspend(struct device *dev)
static int rockchip_spi_resume(struct device *dev)
{
int ret;
- struct spi_master *master = dev_get_drvdata(dev);
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = dev_get_drvdata(dev);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
pinctrl_pm_select_default_state(dev);
@@ -796,7 +835,7 @@ static int rockchip_spi_resume(struct device *dev)
if (ret < 0)
return ret;
- ret = spi_master_resume(master);
+ ret = spi_controller_resume(ctlr);
if (ret < 0) {
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
@@ -809,8 +848,8 @@ static int rockchip_spi_resume(struct device *dev)
#ifdef CONFIG_PM
static int rockchip_spi_runtime_suspend(struct device *dev)
{
- struct spi_master *master = dev_get_drvdata(dev);
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = dev_get_drvdata(dev);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
@@ -821,8 +860,8 @@ static int rockchip_spi_runtime_suspend(struct device *dev)
static int rockchip_spi_runtime_resume(struct device *dev)
{
int ret;
- struct spi_master *master = dev_get_drvdata(dev);
- struct rockchip_spi *rs = spi_master_get_devdata(master);
+ struct spi_controller *ctlr = dev_get_drvdata(dev);
+ struct rockchip_spi *rs = spi_controller_get_devdata(ctlr);
ret = clk_prepare_enable(rs->apb_pclk);
if (ret < 0)
diff --git a/drivers/spi/spi-sc18is602.c b/drivers/spi/spi-sc18is602.c
index 5497eeb3bf3e..ee0f3edf49cd 100644
--- a/drivers/spi/spi-sc18is602.c
+++ b/drivers/spi/spi-sc18is602.c
@@ -345,6 +345,6 @@ static struct i2c_driver sc18is602_driver = {
module_i2c_driver(sc18is602_driver);
-MODULE_DESCRIPTION("SC18IC602/603 SPI Master Driver");
+MODULE_DESCRIPTION("SC18IS602/603 SPI Master Driver");
MODULE_AUTHOR("Guenter Roeck");
MODULE_LICENSE("GPL");
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 1c11a00a2c36..b2579af0e3eb 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -1398,7 +1398,7 @@ static int sh_msiof_spi_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(sh_msiof_spi_pm_ops, sh_msiof_spi_suspend,
sh_msiof_spi_resume);
-#define DEV_PM_OPS &sh_msiof_spi_pm_ops
+#define DEV_PM_OPS (&sh_msiof_spi_pm_ops)
#else
#define DEV_PM_OPS NULL
#endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c
index 87dadb6b8ebf..88e6543648cb 100644
--- a/drivers/spi/spi-sprd-adi.c
+++ b/drivers/spi/spi-sprd-adi.c
@@ -319,7 +319,7 @@ static int sprd_adi_transfer_one(struct spi_controller *ctlr,
static void sprd_adi_set_wdt_rst_mode(struct sprd_adi *sadi)
{
-#ifdef CONFIG_SPRD_WATCHDOG
+#if IS_ENABLED(CONFIG_SPRD_WATCHDOG)
u32 val;
/* Set default watchdog reboot mode */
diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c
index d066f5144c3e..3c44bb2fd9b1 100644
--- a/drivers/spi/spi-stm32-qspi.c
+++ b/drivers/spi/spi-stm32-qspi.c
@@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
+#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/sizes.h>
@@ -87,6 +88,7 @@
#define STM32_BUSY_TIMEOUT_US 100000
#define STM32_ABT_TIMEOUT_US 100000
#define STM32_COMP_TIMEOUT_MS 1000
+#define STM32_AUTOSUSPEND_DELAY -1
struct stm32_qspi_flash {
struct stm32_qspi *qspi;
@@ -431,10 +433,17 @@ static int stm32_qspi_exec_op(struct spi_mem *mem, const struct spi_mem_op *op)
struct stm32_qspi *qspi = spi_controller_get_devdata(mem->spi->master);
int ret;
+ ret = pm_runtime_get_sync(qspi->dev);
+ if (ret < 0)
+ return ret;
+
mutex_lock(&qspi->lock);
ret = stm32_qspi_send(mem, op);
mutex_unlock(&qspi->lock);
+ pm_runtime_mark_last_busy(qspi->dev);
+ pm_runtime_put_autosuspend(qspi->dev);
+
return ret;
}
@@ -444,6 +453,7 @@ static int stm32_qspi_setup(struct spi_device *spi)
struct stm32_qspi *qspi = spi_controller_get_devdata(ctrl);
struct stm32_qspi_flash *flash;
u32 presc;
+ int ret;
if (ctrl->busy)
return -EBUSY;
@@ -451,6 +461,10 @@ static int stm32_qspi_setup(struct spi_device *spi)
if (!spi->max_speed_hz)
return -EINVAL;
+ ret = pm_runtime_get_sync(qspi->dev);
+ if (ret < 0)
+ return ret;
+
presc = DIV_ROUND_UP(qspi->clk_rate, spi->max_speed_hz) - 1;
flash = &qspi->flash[spi->chip_select];
@@ -467,6 +481,9 @@ static int stm32_qspi_setup(struct spi_device *spi)
writel_relaxed(qspi->dcr_reg, qspi->io_base + QSPI_DCR);
mutex_unlock(&qspi->lock);
+ pm_runtime_mark_last_busy(qspi->dev);
+ pm_runtime_put_autosuspend(qspi->dev);
+
return 0;
}
@@ -538,10 +555,15 @@ static const struct spi_controller_mem_ops stm32_qspi_mem_ops = {
static void stm32_qspi_release(struct stm32_qspi *qspi)
{
+ pm_runtime_get_sync(qspi->dev);
/* disable qspi */
writel_relaxed(0, qspi->io_base + QSPI_CR);
stm32_qspi_dma_free(qspi);
mutex_destroy(&qspi->lock);
+ pm_runtime_put_noidle(qspi->dev);
+ pm_runtime_disable(qspi->dev);
+ pm_runtime_set_suspended(qspi->dev);
+ pm_runtime_dont_use_autosuspend(qspi->dev);
clk_disable_unprepare(qspi->clk);
}
@@ -643,9 +665,20 @@ static int stm32_qspi_probe(struct platform_device *pdev)
ctrl->num_chipselect = STM32_QSPI_MAX_NORCHIP;
ctrl->dev.of_node = dev->of_node;
+ pm_runtime_set_autosuspend_delay(dev, STM32_AUTOSUSPEND_DELAY);
+ pm_runtime_use_autosuspend(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ pm_runtime_get_noresume(dev);
+
ret = devm_spi_register_master(dev, ctrl);
- if (!ret)
- return 0;
+ if (ret)
+ goto err_qspi_release;
+
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
+ return 0;
err_qspi_release:
stm32_qspi_release(qspi);
@@ -660,14 +693,28 @@ static int stm32_qspi_remove(struct platform_device *pdev)
struct stm32_qspi *qspi = platform_get_drvdata(pdev);
stm32_qspi_release(qspi);
+
return 0;
}
-static int __maybe_unused stm32_qspi_suspend(struct device *dev)
+static int __maybe_unused stm32_qspi_runtime_suspend(struct device *dev)
{
struct stm32_qspi *qspi = dev_get_drvdata(dev);
clk_disable_unprepare(qspi->clk);
+
+ return 0;
+}
+
+static int __maybe_unused stm32_qspi_runtime_resume(struct device *dev)
+{
+ struct stm32_qspi *qspi = dev_get_drvdata(dev);
+
+ return clk_prepare_enable(qspi->clk);
+}
+
+static int __maybe_unused stm32_qspi_suspend(struct device *dev)
+{
pinctrl_pm_select_sleep_state(dev);
return 0;
@@ -683,10 +730,17 @@ static int __maybe_unused stm32_qspi_resume(struct device *dev)
writel_relaxed(qspi->cr_reg, qspi->io_base + QSPI_CR);
writel_relaxed(qspi->dcr_reg, qspi->io_base + QSPI_DCR);
+ pm_runtime_mark_last_busy(qspi->dev);
+ pm_runtime_put_autosuspend(qspi->dev);
+
return 0;
}
-static SIMPLE_DEV_PM_OPS(stm32_qspi_pm_ops, stm32_qspi_suspend, stm32_qspi_resume);
+static const struct dev_pm_ops stm32_qspi_pm_ops = {
+ SET_RUNTIME_PM_OPS(stm32_qspi_runtime_suspend,
+ stm32_qspi_runtime_resume, NULL)
+ SET_SYSTEM_SLEEP_PM_OPS(stm32_qspi_suspend, stm32_qspi_resume)
+};
static const struct of_device_id stm32_qspi_match[] = {
{.compatible = "st,stm32f469-qspi"},
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index 44ac6eb3298d..4c643dfc7fbb 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -811,7 +811,9 @@ static irqreturn_t stm32f4_spi_irq_event(int irq, void *dev_id)
mask |= STM32F4_SPI_SR_TXE;
}
- if (!spi->cur_usedma && spi->cur_comm == SPI_FULL_DUPLEX) {
+ if (!spi->cur_usedma && (spi->cur_comm == SPI_FULL_DUPLEX ||
+ spi->cur_comm == SPI_SIMPLEX_RX ||
+ spi->cur_comm == SPI_3WIRE_RX)) {
/* TXE flag is set and is handled when RXNE flag occurs */
sr &= ~STM32F4_SPI_SR_TXE;
mask |= STM32F4_SPI_SR_RXNE | STM32F4_SPI_SR_OVR;
@@ -850,7 +852,7 @@ static irqreturn_t stm32f4_spi_irq_event(int irq, void *dev_id)
stm32f4_spi_read_rx(spi);
if (spi->rx_len == 0)
end = true;
- else /* Load data for discontinuous mode */
+ else if (spi->tx_buf)/* Load data for discontinuous mode */
stm32f4_spi_write_tx(spi);
}
@@ -1151,7 +1153,9 @@ static int stm32f4_spi_transfer_one_irq(struct stm32_spi *spi)
/* Enable the interrupts relative to the current communication mode */
if (spi->cur_comm == SPI_SIMPLEX_TX || spi->cur_comm == SPI_3WIRE_TX) {
cr2 |= STM32F4_SPI_CR2_TXEIE;
- } else if (spi->cur_comm == SPI_FULL_DUPLEX) {
+ } else if (spi->cur_comm == SPI_FULL_DUPLEX ||
+ spi->cur_comm == SPI_SIMPLEX_RX ||
+ spi->cur_comm == SPI_3WIRE_RX) {
/* In transmit-only mode, the OVR flag is set in the SR register
* since the received data are never read. Therefore set OVR
* interrupt only when rx buffer is available.
@@ -1462,10 +1466,16 @@ static int stm32f4_spi_set_mode(struct stm32_spi *spi, unsigned int comm_type)
stm32_spi_set_bits(spi, STM32F4_SPI_CR1,
STM32F4_SPI_CR1_BIDIMODE |
STM32F4_SPI_CR1_BIDIOE);
- } else if (comm_type == SPI_FULL_DUPLEX) {
+ } else if (comm_type == SPI_FULL_DUPLEX ||
+ comm_type == SPI_SIMPLEX_RX) {
stm32_spi_clr_bits(spi, STM32F4_SPI_CR1,
STM32F4_SPI_CR1_BIDIMODE |
STM32F4_SPI_CR1_BIDIOE);
+ } else if (comm_type == SPI_3WIRE_RX) {
+ stm32_spi_set_bits(spi, STM32F4_SPI_CR1,
+ STM32F4_SPI_CR1_BIDIMODE);
+ stm32_spi_clr_bits(spi, STM32F4_SPI_CR1,
+ STM32F4_SPI_CR1_BIDIOE);
} else {
return -EINVAL;
}
@@ -1906,6 +1916,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
master->prepare_message = stm32_spi_prepare_msg;
master->transfer_one = stm32_spi_transfer_one;
master->unprepare_message = stm32_spi_unprepare_msg;
+ master->flags = SPI_MASTER_MUST_TX;
spi->dma_tx = dma_request_chan(spi->dev, "tx");
if (IS_ERR(spi->dma_tx)) {
diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index ec7967be9e2f..ecea15534c42 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -470,6 +470,7 @@ static int sun6i_spi_probe(struct platform_device *pdev)
master->max_speed_hz = 100 * 1000 * 1000;
master->min_speed_hz = 3 * 1000;
+ master->use_gpio_descriptors = true;
master->set_cs = sun6i_spi_set_cs;
master->transfer_one = sun6i_spi_transfer_one;
master->num_chipselect = 4;
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 83edabdb41ad..c2c58871a947 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -1398,6 +1398,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
+ pm_runtime_put_noidle(&pdev->dev);
goto exit_pm_disable;
}
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 514429379206..02cf5f463ba6 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -491,6 +491,7 @@ static int tegra_sflash_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
+ pm_runtime_put_noidle(&pdev->dev);
goto exit_pm_disable;
}
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 7f4d932dade7..a07b72e9c344 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1118,6 +1118,7 @@ static int tegra_slink_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
+ pm_runtime_put_noidle(&pdev->dev);
goto exit_pm_disable;
}
tspi->def_command_reg = SLINK_M_S;
diff --git a/drivers/spi/spi-uniphier.c b/drivers/spi/spi-uniphier.c
index 0fa50979644d..6a9ef8ee3cc9 100644
--- a/drivers/spi/spi-uniphier.c
+++ b/drivers/spi/spi-uniphier.c
@@ -659,8 +659,7 @@ static int uniphier_spi_probe(struct platform_device *pdev)
priv->master = master;
priv->is_save_param = false;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap_resource(&pdev->dev, res);
+ priv->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
if (IS_ERR(priv->base)) {
ret = PTR_ERR(priv->base);
goto out_master_put;
@@ -716,8 +715,10 @@ static int uniphier_spi_probe(struct platform_device *pdev)
master->dma_tx = dma_request_chan(&pdev->dev, "tx");
if (IS_ERR_OR_NULL(master->dma_tx)) {
- if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER)
+ if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
goto out_disable_clk;
+ }
master->dma_tx = NULL;
dma_tx_burst = INT_MAX;
} else {
@@ -732,8 +733,10 @@ static int uniphier_spi_probe(struct platform_device *pdev)
master->dma_rx = dma_request_chan(&pdev->dev, "rx");
if (IS_ERR_OR_NULL(master->dma_rx)) {
- if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER)
+ if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
goto out_disable_clk;
+ }
master->dma_rx = NULL;
dma_rx_burst = INT_MAX;
} else {
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index c92c89467e7e..8158e281f354 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1023,7 +1023,8 @@ static int spi_map_msg(struct spi_controller *ctlr, struct spi_message *msg)
void *tmp;
unsigned int max_tx, max_rx;
- if (ctlr->flags & (SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX)) {
+ if ((ctlr->flags & (SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX))
+ && !(msg->spi->mode & SPI_3WIRE)) {
max_tx = 0;
max_rx = 0;
@@ -1075,7 +1076,7 @@ static int spi_transfer_wait(struct spi_controller *ctlr,
{
struct spi_statistics *statm = &ctlr->statistics;
struct spi_statistics *stats = &msg->spi->statistics;
- unsigned long long ms = 1;
+ unsigned long long ms;
if (spi_controller_is_slave(ctlr)) {
if (wait_for_completion_interruptible(&ctlr->xfer_completion)) {
@@ -1160,6 +1161,8 @@ int spi_delay_exec(struct spi_delay *_delay, struct spi_transfer *xfer)
{
int delay;
+ might_sleep();
+
if (!_delay)
return -EINVAL;
@@ -2111,6 +2114,7 @@ static int acpi_spi_add_resource(struct acpi_resource *ares, void *data)
}
lookup->max_speed_hz = sb->connection_speed;
+ lookup->bits_per_word = sb->data_bit_length;
if (sb->clock_phase == ACPI_SPI_SECOND_PHASE)
lookup->mode |= SPI_CPHA;
@@ -2760,6 +2764,8 @@ void spi_unregister_controller(struct spi_controller *ctlr)
struct spi_controller *found;
int id = ctlr->bus_num;
+ device_for_each_child(&ctlr->dev, NULL, __unregister);
+
/* First make sure that this controller was ever added */
mutex_lock(&board_lock);
found = idr_find(&spi_master_idr, id);
@@ -2772,7 +2778,6 @@ void spi_unregister_controller(struct spi_controller *ctlr)
list_del(&ctlr->list);
mutex_unlock(&board_lock);
- device_for_each_child(&ctlr->dev, NULL, __unregister);
device_unregister(&ctlr->dev);
/* free bus id */
mutex_lock(&board_lock);
@@ -3853,8 +3858,7 @@ static u8 *buf;
* is zero for success, else a negative errno status code.
* This call may only be used from a context that may sleep.
*
- * Parameters to this routine are always copied using a small buffer;
- * portable code should never use this for more than 32 bytes.
+ * Parameters to this routine are always copied using a small buffer.
* Performance-sensitive or bulk transfer code should instead use
* spi_{async,sync}() calls with dma-safe buffers.
*
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 80dd1025b953..d753df700e9e 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -62,7 +62,8 @@ static DECLARE_BITMAP(minors, N_SPI_MINORS);
#define SPI_MODE_MASK (SPI_CPHA | SPI_CPOL | SPI_CS_HIGH \
| SPI_LSB_FIRST | SPI_3WIRE | SPI_LOOP \
| SPI_NO_CS | SPI_READY | SPI_TX_DUAL \
- | SPI_TX_QUAD | SPI_RX_DUAL | SPI_RX_QUAD)
+ | SPI_TX_QUAD | SPI_TX_OCTAL | SPI_RX_DUAL \
+ | SPI_RX_QUAD | SPI_RX_OCTAL)
struct spidev_data {
dev_t devt;
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index 6ceee98ed6ff..b97a5c32d44a 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -400,7 +400,8 @@ int ssb_bus_scan(struct ssb_bus *bus,
#ifdef CONFIG_SSB_DRIVER_PCICORE
if (bus->bustype == SSB_BUSTYPE_PCI) {
/* Ignore PCI cores on PCI-E cards.
- * Ignore PCI-E cores on PCI cards. */
+ * Ignore PCI-E cores on PCI cards.
+ */
if (dev->id.coreid == SSB_DEV_PCI) {
if (pci_is_pcie(bus->host_pci))
continue;
@@ -421,7 +422,8 @@ int ssb_bus_scan(struct ssb_bus *bus,
if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM &&
(bus->host_pci->device & 0xFF00) == 0x4300) {
/* This is a dangling ethernet core on a
- * wireless device. Ignore it. */
+ * wireless device. Ignore it.
+ */
continue;
}
}
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
index 52d2e0f33be7..42d620cee8a9 100644
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -78,7 +78,8 @@ ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
/* Use interruptible locking, as the SPROM write might
* be holding the lock for several seconds. So allow userspace
- * to cancel operation. */
+ * to cancel operation.
+ */
err = -ERESTARTSYS;
if (mutex_lock_interruptible(&bus->sprom_mutex))
goto out_kfree;
@@ -121,7 +122,8 @@ ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
/* Use interruptible locking, as the SPROM write might
* be holding the lock for several seconds. So allow userspace
- * to cancel operation. */
+ * to cancel operation.
+ */
err = -ERESTARTSYS;
if (mutex_lock_interruptible(&bus->sprom_mutex))
goto out_kfree;
@@ -188,9 +190,11 @@ int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out)
bool ssb_is_sprom_available(struct ssb_bus *bus)
{
/* status register only exists on chipcomon rev >= 11 and we need check
- for >= 31 only */
+ * for >= 31 only
+ */
/* this routine differs from specs as we do not access SPROM directly
- on PCMCIA */
+ * on PCMCIA
+ */
if (bus->bustype == SSB_BUSTYPE_PCI &&
bus->chipco.dev && /* can be unavailable! */
bus->chipco.dev->id.revision >= 31)
diff --git a/drivers/staging/android/ion/ion_heap.c b/drivers/staging/android/ion/ion_heap.c
index 473b465724f1..0755b11348ed 100644
--- a/drivers/staging/android/ion/ion_heap.c
+++ b/drivers/staging/android/ion/ion_heap.c
@@ -99,12 +99,12 @@ int ion_heap_map_user(struct ion_heap *heap, struct ion_buffer *buffer,
static int ion_heap_clear_pages(struct page **pages, int num, pgprot_t pgprot)
{
- void *addr = vm_map_ram(pages, num, -1, pgprot);
+ void *addr = vmap(pages, num, VM_MAP, pgprot);
if (!addr)
return -ENOMEM;
memset(addr, 0, PAGE_SIZE * num);
- vm_unmap_ram(addr, num);
+ vunmap(addr);
return 0;
}
diff --git a/drivers/staging/comedi/Makefile b/drivers/staging/comedi/Makefile
index 6af5da3b4315..072ed83a5a6a 100644
--- a/drivers/staging/comedi/Makefile
+++ b/drivers/staging/comedi/Makefile
@@ -4,7 +4,6 @@ ccflags-$(CONFIG_COMEDI_DEBUG) := -DDEBUG
comedi-y := comedi_fops.o range.o drivers.o \
comedi_buf.o
comedi-$(CONFIG_PROC_FS) += proc.o
-comedi-$(CONFIG_COMPAT) += comedi_compat32.o
obj-$(CONFIG_COMEDI_PCI_DRIVERS) += comedi_pci.o
obj-$(CONFIG_COMEDI_PCMCIA_DRIVERS) += comedi_pcmcia.o
diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c
deleted file mode 100644
index 36a3564ba1fb..000000000000
--- a/drivers/staging/comedi/comedi_compat32.c
+++ /dev/null
@@ -1,455 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * comedi/comedi_compat32.c
- * 32-bit ioctl compatibility for 64-bit comedi kernel module.
- *
- * Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk>
- * Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/>
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org>
- */
-
-#include <linux/uaccess.h>
-#include <linux/compat.h>
-#include <linux/fs.h>
-#include "comedi.h"
-#include "comedi_compat32.h"
-
-#define COMEDI32_CHANINFO _IOR(CIO, 3, struct comedi32_chaninfo_struct)
-#define COMEDI32_RANGEINFO _IOR(CIO, 8, struct comedi32_rangeinfo_struct)
-/*
- * N.B. COMEDI32_CMD and COMEDI_CMD ought to use _IOWR, not _IOR.
- * It's too late to change it now, but it only affects the command number.
- */
-#define COMEDI32_CMD _IOR(CIO, 9, struct comedi32_cmd_struct)
-/*
- * N.B. COMEDI32_CMDTEST and COMEDI_CMDTEST ought to use _IOWR, not _IOR.
- * It's too late to change it now, but it only affects the command number.
- */
-#define COMEDI32_CMDTEST _IOR(CIO, 10, struct comedi32_cmd_struct)
-#define COMEDI32_INSNLIST _IOR(CIO, 11, struct comedi32_insnlist_struct)
-#define COMEDI32_INSN _IOR(CIO, 12, struct comedi32_insn_struct)
-
-struct comedi32_chaninfo_struct {
- unsigned int subdev;
- compat_uptr_t maxdata_list; /* 32-bit 'unsigned int *' */
- compat_uptr_t flaglist; /* 32-bit 'unsigned int *' */
- compat_uptr_t rangelist; /* 32-bit 'unsigned int *' */
- unsigned int unused[4];
-};
-
-struct comedi32_rangeinfo_struct {
- unsigned int range_type;
- compat_uptr_t range_ptr; /* 32-bit 'void *' */
-};
-
-struct comedi32_cmd_struct {
- unsigned int subdev;
- unsigned int flags;
- unsigned int start_src;
- unsigned int start_arg;
- unsigned int scan_begin_src;
- unsigned int scan_begin_arg;
- unsigned int convert_src;
- unsigned int convert_arg;
- unsigned int scan_end_src;
- unsigned int scan_end_arg;
- unsigned int stop_src;
- unsigned int stop_arg;
- compat_uptr_t chanlist; /* 32-bit 'unsigned int *' */
- unsigned int chanlist_len;
- compat_uptr_t data; /* 32-bit 'short *' */
- unsigned int data_len;
-};
-
-struct comedi32_insn_struct {
- unsigned int insn;
- unsigned int n;
- compat_uptr_t data; /* 32-bit 'unsigned int *' */
- unsigned int subdev;
- unsigned int chanspec;
- unsigned int unused[3];
-};
-
-struct comedi32_insnlist_struct {
- unsigned int n_insns;
- compat_uptr_t insns; /* 32-bit 'struct comedi_insn *' */
-};
-
-/* Handle translated ioctl. */
-static int translated_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- if (file->f_op->unlocked_ioctl)
- return file->f_op->unlocked_ioctl(file, cmd, arg);
-
- return -ENOTTY;
-}
-
-/* Handle 32-bit COMEDI_CHANINFO ioctl. */
-static int compat_chaninfo(struct file *file, unsigned long arg)
-{
- struct comedi_chaninfo __user *chaninfo;
- struct comedi32_chaninfo_struct __user *chaninfo32;
- int err;
- union {
- unsigned int uint;
- compat_uptr_t uptr;
- } temp;
-
- chaninfo32 = compat_ptr(arg);
- chaninfo = compat_alloc_user_space(sizeof(*chaninfo));
-
- /* Copy chaninfo structure. Ignore unused members. */
- if (!access_ok(chaninfo32, sizeof(*chaninfo32)) ||
- !access_ok(chaninfo, sizeof(*chaninfo)))
- return -EFAULT;
-
- err = 0;
- err |= __get_user(temp.uint, &chaninfo32->subdev);
- err |= __put_user(temp.uint, &chaninfo->subdev);
- err |= __get_user(temp.uptr, &chaninfo32->maxdata_list);
- err |= __put_user(compat_ptr(temp.uptr), &chaninfo->maxdata_list);
- err |= __get_user(temp.uptr, &chaninfo32->flaglist);
- err |= __put_user(compat_ptr(temp.uptr), &chaninfo->flaglist);
- err |= __get_user(temp.uptr, &chaninfo32->rangelist);
- err |= __put_user(compat_ptr(temp.uptr), &chaninfo->rangelist);
- if (err)
- return -EFAULT;
-
- return translated_ioctl(file, COMEDI_CHANINFO, (unsigned long)chaninfo);
-}
-
-/* Handle 32-bit COMEDI_RANGEINFO ioctl. */
-static int compat_rangeinfo(struct file *file, unsigned long arg)
-{
- struct comedi_rangeinfo __user *rangeinfo;
- struct comedi32_rangeinfo_struct __user *rangeinfo32;
- int err;
- union {
- unsigned int uint;
- compat_uptr_t uptr;
- } temp;
-
- rangeinfo32 = compat_ptr(arg);
- rangeinfo = compat_alloc_user_space(sizeof(*rangeinfo));
-
- /* Copy rangeinfo structure. */
- if (!access_ok(rangeinfo32, sizeof(*rangeinfo32)) ||
- !access_ok(rangeinfo, sizeof(*rangeinfo)))
- return -EFAULT;
-
- err = 0;
- err |= __get_user(temp.uint, &rangeinfo32->range_type);
- err |= __put_user(temp.uint, &rangeinfo->range_type);
- err |= __get_user(temp.uptr, &rangeinfo32->range_ptr);
- err |= __put_user(compat_ptr(temp.uptr), &rangeinfo->range_ptr);
- if (err)
- return -EFAULT;
-
- return translated_ioctl(file, COMEDI_RANGEINFO,
- (unsigned long)rangeinfo);
-}
-
-/* Copy 32-bit cmd structure to native cmd structure. */
-static int get_compat_cmd(struct comedi_cmd __user *cmd,
- struct comedi32_cmd_struct __user *cmd32)
-{
- int err;
- union {
- unsigned int uint;
- compat_uptr_t uptr;
- } temp;
-
- /* Copy cmd structure. */
- if (!access_ok(cmd32, sizeof(*cmd32)) ||
- !access_ok(cmd, sizeof(*cmd)))
- return -EFAULT;
-
- err = 0;
- err |= __get_user(temp.uint, &cmd32->subdev);
- err |= __put_user(temp.uint, &cmd->subdev);
- err |= __get_user(temp.uint, &cmd32->flags);
- err |= __put_user(temp.uint, &cmd->flags);
- err |= __get_user(temp.uint, &cmd32->start_src);
- err |= __put_user(temp.uint, &cmd->start_src);
- err |= __get_user(temp.uint, &cmd32->start_arg);
- err |= __put_user(temp.uint, &cmd->start_arg);
- err |= __get_user(temp.uint, &cmd32->scan_begin_src);
- err |= __put_user(temp.uint, &cmd->scan_begin_src);
- err |= __get_user(temp.uint, &cmd32->scan_begin_arg);
- err |= __put_user(temp.uint, &cmd->scan_begin_arg);
- err |= __get_user(temp.uint, &cmd32->convert_src);
- err |= __put_user(temp.uint, &cmd->convert_src);
- err |= __get_user(temp.uint, &cmd32->convert_arg);
- err |= __put_user(temp.uint, &cmd->convert_arg);
- err |= __get_user(temp.uint, &cmd32->scan_end_src);
- err |= __put_user(temp.uint, &cmd->scan_end_src);
- err |= __get_user(temp.uint, &cmd32->scan_end_arg);
- err |= __put_user(temp.uint, &cmd->scan_end_arg);
- err |= __get_user(temp.uint, &cmd32->stop_src);
- err |= __put_user(temp.uint, &cmd->stop_src);
- err |= __get_user(temp.uint, &cmd32->stop_arg);
- err |= __put_user(temp.uint, &cmd->stop_arg);
- err |= __get_user(temp.uptr, &cmd32->chanlist);
- err |= __put_user((unsigned int __force *)compat_ptr(temp.uptr),
- &cmd->chanlist);
- err |= __get_user(temp.uint, &cmd32->chanlist_len);
- err |= __put_user(temp.uint, &cmd->chanlist_len);
- err |= __get_user(temp.uptr, &cmd32->data);
- err |= __put_user(compat_ptr(temp.uptr), &cmd->data);
- err |= __get_user(temp.uint, &cmd32->data_len);
- err |= __put_user(temp.uint, &cmd->data_len);
- return err ? -EFAULT : 0;
-}
-
-/* Copy native cmd structure to 32-bit cmd structure. */
-static int put_compat_cmd(struct comedi32_cmd_struct __user *cmd32,
- struct comedi_cmd __user *cmd)
-{
- int err;
- unsigned int temp;
-
- /*
- * Copy back most of cmd structure.
- *
- * Assume the pointer values are already valid.
- * (Could use ptr_to_compat() to set them.)
- */
- if (!access_ok(cmd, sizeof(*cmd)) ||
- !access_ok(cmd32, sizeof(*cmd32)))
- return -EFAULT;
-
- err = 0;
- err |= __get_user(temp, &cmd->subdev);
- err |= __put_user(temp, &cmd32->subdev);
- err |= __get_user(temp, &cmd->flags);
- err |= __put_user(temp, &cmd32->flags);
- err |= __get_user(temp, &cmd->start_src);
- err |= __put_user(temp, &cmd32->start_src);
- err |= __get_user(temp, &cmd->start_arg);
- err |= __put_user(temp, &cmd32->start_arg);
- err |= __get_user(temp, &cmd->scan_begin_src);
- err |= __put_user(temp, &cmd32->scan_begin_src);
- err |= __get_user(temp, &cmd->scan_begin_arg);
- err |= __put_user(temp, &cmd32->scan_begin_arg);
- err |= __get_user(temp, &cmd->convert_src);
- err |= __put_user(temp, &cmd32->convert_src);
- err |= __get_user(temp, &cmd->convert_arg);
- err |= __put_user(temp, &cmd32->convert_arg);
- err |= __get_user(temp, &cmd->scan_end_src);
- err |= __put_user(temp, &cmd32->scan_end_src);
- err |= __get_user(temp, &cmd->scan_end_arg);
- err |= __put_user(temp, &cmd32->scan_end_arg);
- err |= __get_user(temp, &cmd->stop_src);
- err |= __put_user(temp, &cmd32->stop_src);
- err |= __get_user(temp, &cmd->stop_arg);
- err |= __put_user(temp, &cmd32->stop_arg);
- /* Assume chanlist pointer is unchanged. */
- err |= __get_user(temp, &cmd->chanlist_len);
- err |= __put_user(temp, &cmd32->chanlist_len);
- /* Assume data pointer is unchanged. */
- err |= __get_user(temp, &cmd->data_len);
- err |= __put_user(temp, &cmd32->data_len);
- return err ? -EFAULT : 0;
-}
-
-/* Handle 32-bit COMEDI_CMD ioctl. */
-static int compat_cmd(struct file *file, unsigned long arg)
-{
- struct comedi_cmd __user *cmd;
- struct comedi32_cmd_struct __user *cmd32;
- int rc, err;
-
- cmd32 = compat_ptr(arg);
- cmd = compat_alloc_user_space(sizeof(*cmd));
-
- rc = get_compat_cmd(cmd, cmd32);
- if (rc)
- return rc;
-
- rc = translated_ioctl(file, COMEDI_CMD, (unsigned long)cmd);
- if (rc == -EAGAIN) {
- /* Special case: copy cmd back to user. */
- err = put_compat_cmd(cmd32, cmd);
- if (err)
- rc = err;
- }
-
- return rc;
-}
-
-/* Handle 32-bit COMEDI_CMDTEST ioctl. */
-static int compat_cmdtest(struct file *file, unsigned long arg)
-{
- struct comedi_cmd __user *cmd;
- struct comedi32_cmd_struct __user *cmd32;
- int rc, err;
-
- cmd32 = compat_ptr(arg);
- cmd = compat_alloc_user_space(sizeof(*cmd));
-
- rc = get_compat_cmd(cmd, cmd32);
- if (rc)
- return rc;
-
- rc = translated_ioctl(file, COMEDI_CMDTEST, (unsigned long)cmd);
- if (rc < 0)
- return rc;
-
- err = put_compat_cmd(cmd32, cmd);
- if (err)
- rc = err;
-
- return rc;
-}
-
-/* Copy 32-bit insn structure to native insn structure. */
-static int get_compat_insn(struct comedi_insn __user *insn,
- struct comedi32_insn_struct __user *insn32)
-{
- int err;
- union {
- unsigned int uint;
- compat_uptr_t uptr;
- } temp;
-
- /* Copy insn structure. Ignore the unused members. */
- err = 0;
- if (!access_ok(insn32, sizeof(*insn32)) ||
- !access_ok(insn, sizeof(*insn)))
- return -EFAULT;
-
- err |= __get_user(temp.uint, &insn32->insn);
- err |= __put_user(temp.uint, &insn->insn);
- err |= __get_user(temp.uint, &insn32->n);
- err |= __put_user(temp.uint, &insn->n);
- err |= __get_user(temp.uptr, &insn32->data);
- err |= __put_user(compat_ptr(temp.uptr), &insn->data);
- err |= __get_user(temp.uint, &insn32->subdev);
- err |= __put_user(temp.uint, &insn->subdev);
- err |= __get_user(temp.uint, &insn32->chanspec);
- err |= __put_user(temp.uint, &insn->chanspec);
- return err ? -EFAULT : 0;
-}
-
-/* Handle 32-bit COMEDI_INSNLIST ioctl. */
-static int compat_insnlist(struct file *file, unsigned long arg)
-{
- struct combined_insnlist {
- struct comedi_insnlist insnlist;
- struct comedi_insn insn[1];
- } __user *s;
- struct comedi32_insnlist_struct __user *insnlist32;
- struct comedi32_insn_struct __user *insn32;
- compat_uptr_t uptr;
- unsigned int n_insns, n;
- int err, rc;
-
- insnlist32 = compat_ptr(arg);
-
- /* Get 32-bit insnlist structure. */
- if (!access_ok(insnlist32, sizeof(*insnlist32)))
- return -EFAULT;
-
- err = 0;
- err |= __get_user(n_insns, &insnlist32->n_insns);
- err |= __get_user(uptr, &insnlist32->insns);
- insn32 = compat_ptr(uptr);
- if (err)
- return -EFAULT;
-
- /* Allocate user memory to copy insnlist and insns into. */
- s = compat_alloc_user_space(offsetof(struct combined_insnlist,
- insn[n_insns]));
-
- /* Set native insnlist structure. */
- if (!access_ok(&s->insnlist, sizeof(s->insnlist)))
- return -EFAULT;
-
- err |= __put_user(n_insns, &s->insnlist.n_insns);
- err |= __put_user(&s->insn[0], &s->insnlist.insns);
- if (err)
- return -EFAULT;
-
- /* Copy insn structures. */
- for (n = 0; n < n_insns; n++) {
- rc = get_compat_insn(&s->insn[n], &insn32[n]);
- if (rc)
- return rc;
- }
-
- return translated_ioctl(file, COMEDI_INSNLIST,
- (unsigned long)&s->insnlist);
-}
-
-/* Handle 32-bit COMEDI_INSN ioctl. */
-static int compat_insn(struct file *file, unsigned long arg)
-{
- struct comedi_insn __user *insn;
- struct comedi32_insn_struct __user *insn32;
- int rc;
-
- insn32 = compat_ptr(arg);
- insn = compat_alloc_user_space(sizeof(*insn));
-
- rc = get_compat_insn(insn, insn32);
- if (rc)
- return rc;
-
- return translated_ioctl(file, COMEDI_INSN, (unsigned long)insn);
-}
-
-/*
- * compat_ioctl file operation.
- *
- * Returns -ENOIOCTLCMD for unrecognised ioctl codes.
- */
-long comedi_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- int rc;
-
- switch (cmd) {
- case COMEDI_DEVCONFIG:
- case COMEDI_DEVINFO:
- case COMEDI_SUBDINFO:
- case COMEDI_BUFCONFIG:
- case COMEDI_BUFINFO:
- /* Just need to translate the pointer argument. */
- arg = (unsigned long)compat_ptr(arg);
- rc = translated_ioctl(file, cmd, arg);
- break;
- case COMEDI_LOCK:
- case COMEDI_UNLOCK:
- case COMEDI_CANCEL:
- case COMEDI_POLL:
- case COMEDI_SETRSUBD:
- case COMEDI_SETWSUBD:
- /* No translation needed. */
- rc = translated_ioctl(file, cmd, arg);
- break;
- case COMEDI32_CHANINFO:
- rc = compat_chaninfo(file, arg);
- break;
- case COMEDI32_RANGEINFO:
- rc = compat_rangeinfo(file, arg);
- break;
- case COMEDI32_CMD:
- rc = compat_cmd(file, arg);
- break;
- case COMEDI32_CMDTEST:
- rc = compat_cmdtest(file, arg);
- break;
- case COMEDI32_INSNLIST:
- rc = compat_insnlist(file, arg);
- break;
- case COMEDI32_INSN:
- rc = compat_insn(file, arg);
- break;
- default:
- rc = -ENOIOCTLCMD;
- break;
- }
- return rc;
-}
diff --git a/drivers/staging/comedi/comedi_compat32.h b/drivers/staging/comedi/comedi_compat32.h
deleted file mode 100644
index dc3e2a9442c7..000000000000
--- a/drivers/staging/comedi/comedi_compat32.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * comedi/comedi_compat32.h
- * 32-bit ioctl compatibility for 64-bit comedi kernel module.
- *
- * Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk>
- * Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/>
- *
- * COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org>
- */
-
-#ifndef _COMEDI_COMPAT32_H
-#define _COMEDI_COMPAT32_H
-
-#ifdef CONFIG_COMPAT
-
-struct file;
-long comedi_compat_ioctl(struct file *file, unsigned int cmd,
- unsigned long arg);
-
-#else /* CONFIG_COMPAT */
-
-#define comedi_compat_ioctl NULL
-
-#endif /* CONFIG_COMPAT */
-
-#endif /* _COMEDI_COMPAT32_H */
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 08d1bbbebf2d..a56c8f74a27b 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -4,13 +4,14 @@
* comedi kernel module
*
* COMEDI - Linux Control and Measurement Device Interface
- * Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
+ * Copyright (C) 1997-2007 David A. Schleef <ds@schleef.org>
+ * compat ioctls:
+ * Author: Ian Abbott, MEV Ltd. <abbotti@mev.co.uk>
+ * Copyright (C) 2007 MEV Ltd. <http://www.mev.co.uk/>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include "comedi_compat32.h"
-
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -27,6 +28,7 @@
#include <linux/io.h>
#include <linux/uaccess.h>
+#include <linux/compat.h>
#include "comedi_internal.h"
@@ -1047,31 +1049,28 @@ static int do_subdinfo_ioctl(struct comedi_device *dev,
* array of range table lengths to chaninfo->range_table_list if requested
*/
static int do_chaninfo_ioctl(struct comedi_device *dev,
- struct comedi_chaninfo __user *arg)
+ struct comedi_chaninfo *it)
{
struct comedi_subdevice *s;
- struct comedi_chaninfo it;
lockdep_assert_held(&dev->mutex);
- if (copy_from_user(&it, arg, sizeof(it)))
- return -EFAULT;
- if (it.subdev >= dev->n_subdevices)
+ if (it->subdev >= dev->n_subdevices)
return -EINVAL;
- s = &dev->subdevices[it.subdev];
+ s = &dev->subdevices[it->subdev];
- if (it.maxdata_list) {
+ if (it->maxdata_list) {
if (s->maxdata || !s->maxdata_list)
return -EINVAL;
- if (copy_to_user(it.maxdata_list, s->maxdata_list,
+ if (copy_to_user(it->maxdata_list, s->maxdata_list,
s->n_chan * sizeof(unsigned int)))
return -EFAULT;
}
- if (it.flaglist)
+ if (it->flaglist)
return -EINVAL; /* flaglist not supported */
- if (it.rangelist) {
+ if (it->rangelist) {
int i;
if (!s->range_table_list)
@@ -1079,9 +1078,9 @@ static int do_chaninfo_ioctl(struct comedi_device *dev,
for (i = 0; i < s->n_chan; i++) {
int x;
- x = (dev->minor << 28) | (it.subdev << 24) | (i << 16) |
+ x = (dev->minor << 28) | (it->subdev << 24) | (i << 16) |
(s->range_table_list[i]->length);
- if (put_user(x, it.rangelist + i))
+ if (put_user(x, it->rangelist + i))
return -EFAULT;
}
}
@@ -1521,34 +1520,19 @@ out:
#define MIN_SAMPLES 16
#define MAX_SAMPLES 65536
static int do_insnlist_ioctl(struct comedi_device *dev,
- struct comedi_insnlist __user *arg, void *file)
+ struct comedi_insn *insns,
+ unsigned int n_insns,
+ void *file)
{
- struct comedi_insnlist insnlist;
- struct comedi_insn *insns = NULL;
unsigned int *data = NULL;
unsigned int max_n_data_required = MIN_SAMPLES;
int i = 0;
int ret = 0;
lockdep_assert_held(&dev->mutex);
- if (copy_from_user(&insnlist, arg, sizeof(insnlist)))
- return -EFAULT;
-
- insns = kcalloc(insnlist.n_insns, sizeof(*insns), GFP_KERNEL);
- if (!insns) {
- ret = -ENOMEM;
- goto error;
- }
-
- if (copy_from_user(insns, insnlist.insns,
- sizeof(*insns) * insnlist.n_insns)) {
- dev_dbg(dev->class_dev, "copy_from_user failed\n");
- ret = -EFAULT;
- goto error;
- }
/* Determine maximum memory needed for all instructions. */
- for (i = 0; i < insnlist.n_insns; ++i) {
+ for (i = 0; i < n_insns; ++i) {
if (insns[i].n > MAX_SAMPLES) {
dev_dbg(dev->class_dev,
"number of samples too large\n");
@@ -1566,7 +1550,7 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
goto error;
}
- for (i = 0; i < insnlist.n_insns; ++i) {
+ for (i = 0; i < n_insns; ++i) {
if (insns[i].insn & INSN_MASK_WRITE) {
if (copy_from_user(data, insns[i].data,
insns[i].n * sizeof(unsigned int))) {
@@ -1593,7 +1577,6 @@ static int do_insnlist_ioctl(struct comedi_device *dev,
}
error:
- kfree(insns);
kfree(data);
if (ret < 0)
@@ -1616,22 +1599,19 @@ error:
* data (for reads) to insn->data pointer
*/
static int do_insn_ioctl(struct comedi_device *dev,
- struct comedi_insn __user *arg, void *file)
+ struct comedi_insn *insn, void *file)
{
- struct comedi_insn insn;
unsigned int *data = NULL;
unsigned int n_data = MIN_SAMPLES;
int ret = 0;
lockdep_assert_held(&dev->mutex);
- if (copy_from_user(&insn, arg, sizeof(insn)))
- return -EFAULT;
- n_data = max(n_data, insn.n);
+ n_data = max(n_data, insn->n);
/* This is where the behavior of insn and insnlist deviate. */
- if (insn.n > MAX_SAMPLES) {
- insn.n = MAX_SAMPLES;
+ if (insn->n > MAX_SAMPLES) {
+ insn->n = MAX_SAMPLES;
n_data = MAX_SAMPLES;
}
@@ -1641,26 +1621,26 @@ static int do_insn_ioctl(struct comedi_device *dev,
goto error;
}
- if (insn.insn & INSN_MASK_WRITE) {
+ if (insn->insn & INSN_MASK_WRITE) {
if (copy_from_user(data,
- insn.data,
- insn.n * sizeof(unsigned int))) {
+ insn->data,
+ insn->n * sizeof(unsigned int))) {
ret = -EFAULT;
goto error;
}
}
- ret = parse_insn(dev, &insn, data, file);
+ ret = parse_insn(dev, insn, data, file);
if (ret < 0)
goto error;
- if (insn.insn & INSN_MASK_READ) {
- if (copy_to_user(insn.data,
+ if (insn->insn & INSN_MASK_READ) {
+ if (copy_to_user(insn->data,
data,
- insn.n * sizeof(unsigned int))) {
+ insn->n * sizeof(unsigned int))) {
ret = -EFAULT;
goto error;
}
}
- ret = insn.n;
+ ret = insn->n;
error:
kfree(data);
@@ -1669,17 +1649,11 @@ error:
}
static int __comedi_get_user_cmd(struct comedi_device *dev,
- struct comedi_cmd __user *arg,
struct comedi_cmd *cmd)
{
struct comedi_subdevice *s;
lockdep_assert_held(&dev->mutex);
- if (copy_from_user(cmd, arg, sizeof(*cmd))) {
- dev_dbg(dev->class_dev, "bad cmd address\n");
- return -EFAULT;
- }
-
if (cmd->subdev >= dev->n_subdevices) {
dev_dbg(dev->class_dev, "%d no such subdevice\n", cmd->subdev);
return -ENODEV;
@@ -1767,9 +1741,8 @@ static int __comedi_get_user_chanlist(struct comedi_device *dev,
* possibly modified comedi_cmd structure (when -EAGAIN returned)
*/
static int do_cmd_ioctl(struct comedi_device *dev,
- struct comedi_cmd __user *arg, void *file)
+ struct comedi_cmd *cmd, bool *copy, void *file)
{
- struct comedi_cmd cmd;
struct comedi_subdevice *s;
struct comedi_async *async;
unsigned int __user *user_chanlist;
@@ -1777,15 +1750,15 @@ static int do_cmd_ioctl(struct comedi_device *dev,
lockdep_assert_held(&dev->mutex);
- /* get the user's cmd and do some simple validation */
- ret = __comedi_get_user_cmd(dev, arg, &cmd);
+ /* do some simple cmd validation */
+ ret = __comedi_get_user_cmd(dev, cmd);
if (ret)
return ret;
/* save user's chanlist pointer so it can be restored later */
- user_chanlist = (unsigned int __user *)cmd.chanlist;
+ user_chanlist = (unsigned int __user *)cmd->chanlist;
- s = &dev->subdevices[cmd.subdev];
+ s = &dev->subdevices[cmd->subdev];
async = s->async;
/* are we locked? (ioctl lock) */
@@ -1801,13 +1774,13 @@ static int do_cmd_ioctl(struct comedi_device *dev,
}
/* make sure channel/gain list isn't too short */
- if (cmd.chanlist_len < 1) {
+ if (cmd->chanlist_len < 1) {
dev_dbg(dev->class_dev, "channel/gain list too short %u < 1\n",
- cmd.chanlist_len);
+ cmd->chanlist_len);
return -EINVAL;
}
- async->cmd = cmd;
+ async->cmd = *cmd;
async->cmd.data = NULL;
/* load channel/gain list */
@@ -1819,15 +1792,11 @@ static int do_cmd_ioctl(struct comedi_device *dev,
if (async->cmd.flags & CMDF_BOGUS || ret) {
dev_dbg(dev->class_dev, "test returned %d\n", ret);
- cmd = async->cmd;
+ *cmd = async->cmd;
/* restore chanlist pointer before copying back */
- cmd.chanlist = (unsigned int __force *)user_chanlist;
- cmd.data = NULL;
- if (copy_to_user(arg, &cmd, sizeof(cmd))) {
- dev_dbg(dev->class_dev, "fault writing cmd\n");
- ret = -EFAULT;
- goto cleanup;
- }
+ cmd->chanlist = (unsigned int __force *)user_chanlist;
+ cmd->data = NULL;
+ *copy = true;
ret = -EAGAIN;
goto cleanup;
}
@@ -1877,44 +1846,39 @@ cleanup:
* possibly modified comedi_cmd structure
*/
static int do_cmdtest_ioctl(struct comedi_device *dev,
- struct comedi_cmd __user *arg, void *file)
+ struct comedi_cmd *cmd, bool *copy, void *file)
{
- struct comedi_cmd cmd;
struct comedi_subdevice *s;
unsigned int __user *user_chanlist;
int ret;
lockdep_assert_held(&dev->mutex);
- /* get the user's cmd and do some simple validation */
- ret = __comedi_get_user_cmd(dev, arg, &cmd);
+ /* do some simple cmd validation */
+ ret = __comedi_get_user_cmd(dev, cmd);
if (ret)
return ret;
/* save user's chanlist pointer so it can be restored later */
- user_chanlist = (unsigned int __user *)cmd.chanlist;
+ user_chanlist = (unsigned int __user *)cmd->chanlist;
- s = &dev->subdevices[cmd.subdev];
+ s = &dev->subdevices[cmd->subdev];
/* user_chanlist can be NULL for COMEDI_CMDTEST ioctl */
if (user_chanlist) {
/* load channel/gain list */
- ret = __comedi_get_user_chanlist(dev, s, user_chanlist, &cmd);
+ ret = __comedi_get_user_chanlist(dev, s, user_chanlist, cmd);
if (ret)
return ret;
}
- ret = s->do_cmdtest(dev, s, &cmd);
+ ret = s->do_cmdtest(dev, s, cmd);
- kfree(cmd.chanlist); /* free kernel copy of user chanlist */
+ kfree(cmd->chanlist); /* free kernel copy of user chanlist */
/* restore chanlist pointer before copying back */
- cmd.chanlist = (unsigned int __force *)user_chanlist;
-
- if (copy_to_user(arg, &cmd, sizeof(cmd))) {
- dev_dbg(dev->class_dev, "bad cmd address\n");
- ret = -EFAULT;
- }
+ cmd->chanlist = (unsigned int __force *)user_chanlist;
+ *copy = true;
return ret;
}
@@ -2203,12 +2167,22 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
(struct comedi_subdinfo __user *)arg,
file);
break;
- case COMEDI_CHANINFO:
- rc = do_chaninfo_ioctl(dev, (void __user *)arg);
+ case COMEDI_CHANINFO: {
+ struct comedi_chaninfo it;
+ if (copy_from_user(&it, (void __user *)arg, sizeof(it)))
+ rc = -EFAULT;
+ else
+ rc = do_chaninfo_ioctl(dev, &it);
break;
- case COMEDI_RANGEINFO:
- rc = do_rangeinfo_ioctl(dev, (void __user *)arg);
+ }
+ case COMEDI_RANGEINFO: {
+ struct comedi_rangeinfo it;
+ if (copy_from_user(&it, (void __user *)arg, sizeof(it)))
+ rc = -EFAULT;
+ else
+ rc = do_rangeinfo_ioctl(dev, &it);
break;
+ }
case COMEDI_BUFINFO:
rc = do_bufinfo_ioctl(dev,
(struct comedi_bufinfo __user *)arg,
@@ -2223,22 +2197,64 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd,
case COMEDI_CANCEL:
rc = do_cancel_ioctl(dev, arg, file);
break;
- case COMEDI_CMD:
- rc = do_cmd_ioctl(dev, (struct comedi_cmd __user *)arg, file);
+ case COMEDI_CMD: {
+ struct comedi_cmd cmd;
+ bool copy = false;
+
+ if (copy_from_user(&cmd, (void __user *)arg, sizeof(cmd))) {
+ rc = -EFAULT;
+ break;
+ }
+ rc = do_cmd_ioctl(dev, &cmd, &copy, file);
+ if (copy && copy_to_user((void __user *)arg, &cmd, sizeof(cmd)))
+ rc = -EFAULT;
break;
- case COMEDI_CMDTEST:
- rc = do_cmdtest_ioctl(dev, (struct comedi_cmd __user *)arg,
- file);
+ }
+ case COMEDI_CMDTEST: {
+ struct comedi_cmd cmd;
+ bool copy = false;
+
+ if (copy_from_user(&cmd, (void __user *)arg, sizeof(cmd))) {
+ rc = -EFAULT;
+ break;
+ }
+ rc = do_cmdtest_ioctl(dev, &cmd, &copy, file);
+ if (copy && copy_to_user((void __user *)arg, &cmd, sizeof(cmd)))
+ rc = -EFAULT;
break;
- case COMEDI_INSNLIST:
- rc = do_insnlist_ioctl(dev,
- (struct comedi_insnlist __user *)arg,
- file);
+ }
+ case COMEDI_INSNLIST: {
+ struct comedi_insnlist insnlist;
+ struct comedi_insn *insns = NULL;
+
+ if (copy_from_user(&insnlist, (void __user *)arg,
+ sizeof(insnlist))) {
+ rc = -EFAULT;
+ break;
+ }
+ insns = kcalloc(insnlist.n_insns, sizeof(*insns), GFP_KERNEL);
+ if (!insns) {
+ rc = -ENOMEM;
+ break;
+ }
+ if (copy_from_user(insns, insnlist.insns,
+ sizeof(*insns) * insnlist.n_insns)) {
+ rc = -EFAULT;
+ kfree(insns);
+ break;
+ }
+ rc = do_insnlist_ioctl(dev, insns, insnlist.n_insns, file);
+ kfree(insns);
break;
- case COMEDI_INSN:
- rc = do_insn_ioctl(dev, (struct comedi_insn __user *)arg,
- file);
+ }
+ case COMEDI_INSN: {
+ struct comedi_insn insn;
+ if (copy_from_user(&insn, (void __user *)arg, sizeof(insn)))
+ rc = -EFAULT;
+ else
+ rc = do_insn_ioctl(dev, &insn, file);
break;
+ }
case COMEDI_POLL:
rc = do_poll_ioctl(dev, arg, file);
break;
@@ -2725,8 +2741,10 @@ static int comedi_open(struct inode *inode, struct file *file)
}
cfp = kzalloc(sizeof(*cfp), GFP_KERNEL);
- if (!cfp)
+ if (!cfp) {
+ comedi_dev_put(dev);
return -ENOMEM;
+ }
cfp->dev = dev;
@@ -2806,6 +2824,344 @@ static int comedi_close(struct inode *inode, struct file *file)
return 0;
}
+#ifdef CONFIG_COMPAT
+
+#define COMEDI32_CHANINFO _IOR(CIO, 3, struct comedi32_chaninfo_struct)
+#define COMEDI32_RANGEINFO _IOR(CIO, 8, struct comedi32_rangeinfo_struct)
+/*
+ * N.B. COMEDI32_CMD and COMEDI_CMD ought to use _IOWR, not _IOR.
+ * It's too late to change it now, but it only affects the command number.
+ */
+#define COMEDI32_CMD _IOR(CIO, 9, struct comedi32_cmd_struct)
+/*
+ * N.B. COMEDI32_CMDTEST and COMEDI_CMDTEST ought to use _IOWR, not _IOR.
+ * It's too late to change it now, but it only affects the command number.
+ */
+#define COMEDI32_CMDTEST _IOR(CIO, 10, struct comedi32_cmd_struct)
+#define COMEDI32_INSNLIST _IOR(CIO, 11, struct comedi32_insnlist_struct)
+#define COMEDI32_INSN _IOR(CIO, 12, struct comedi32_insn_struct)
+
+struct comedi32_chaninfo_struct {
+ unsigned int subdev;
+ compat_uptr_t maxdata_list; /* 32-bit 'unsigned int *' */
+ compat_uptr_t flaglist; /* 32-bit 'unsigned int *' */
+ compat_uptr_t rangelist; /* 32-bit 'unsigned int *' */
+ unsigned int unused[4];
+};
+
+struct comedi32_rangeinfo_struct {
+ unsigned int range_type;
+ compat_uptr_t range_ptr; /* 32-bit 'void *' */
+};
+
+struct comedi32_cmd_struct {
+ unsigned int subdev;
+ unsigned int flags;
+ unsigned int start_src;
+ unsigned int start_arg;
+ unsigned int scan_begin_src;
+ unsigned int scan_begin_arg;
+ unsigned int convert_src;
+ unsigned int convert_arg;
+ unsigned int scan_end_src;
+ unsigned int scan_end_arg;
+ unsigned int stop_src;
+ unsigned int stop_arg;
+ compat_uptr_t chanlist; /* 32-bit 'unsigned int *' */
+ unsigned int chanlist_len;
+ compat_uptr_t data; /* 32-bit 'short *' */
+ unsigned int data_len;
+};
+
+struct comedi32_insn_struct {
+ unsigned int insn;
+ unsigned int n;
+ compat_uptr_t data; /* 32-bit 'unsigned int *' */
+ unsigned int subdev;
+ unsigned int chanspec;
+ unsigned int unused[3];
+};
+
+struct comedi32_insnlist_struct {
+ unsigned int n_insns;
+ compat_uptr_t insns; /* 32-bit 'struct comedi_insn *' */
+};
+
+/* Handle 32-bit COMEDI_CHANINFO ioctl. */
+static int compat_chaninfo(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi32_chaninfo_struct chaninfo32;
+ struct comedi_chaninfo chaninfo;
+ int err;
+
+ if (copy_from_user(&chaninfo32, compat_ptr(arg), sizeof(chaninfo32)))
+ return -EFAULT;
+
+ memset(&chaninfo, 0, sizeof(chaninfo));
+ chaninfo.subdev = chaninfo32.subdev;
+ chaninfo.maxdata_list = compat_ptr(chaninfo32.maxdata_list);
+ chaninfo.flaglist = compat_ptr(chaninfo32.flaglist);
+ chaninfo.rangelist = compat_ptr(chaninfo32.rangelist);
+
+ mutex_lock(&dev->mutex);
+ err = do_chaninfo_ioctl(dev, &chaninfo);
+ mutex_unlock(&dev->mutex);
+ return err;
+}
+
+/* Handle 32-bit COMEDI_RANGEINFO ioctl. */
+static int compat_rangeinfo(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi32_rangeinfo_struct rangeinfo32;
+ struct comedi_rangeinfo rangeinfo;
+ int err;
+
+ if (copy_from_user(&rangeinfo32, compat_ptr(arg), sizeof(rangeinfo32)))
+ return -EFAULT;
+ memset(&rangeinfo, 0, sizeof(rangeinfo));
+ rangeinfo.range_type = rangeinfo32.range_type;
+ rangeinfo.range_ptr = compat_ptr(rangeinfo32.range_ptr);
+
+ mutex_lock(&dev->mutex);
+ err = do_rangeinfo_ioctl(dev, &rangeinfo);
+ mutex_unlock(&dev->mutex);
+ return err;
+}
+
+/* Copy 32-bit cmd structure to native cmd structure. */
+static int get_compat_cmd(struct comedi_cmd *cmd,
+ struct comedi32_cmd_struct __user *cmd32)
+{
+ struct comedi32_cmd_struct v32;
+
+ if (copy_from_user(&v32, cmd32, sizeof(v32)))
+ return -EFAULT;
+
+ cmd->subdev = v32.subdev;
+ cmd->flags = v32.flags;
+ cmd->start_src = v32.start_src;
+ cmd->start_arg = v32.start_arg;
+ cmd->scan_begin_src = v32.scan_begin_src;
+ cmd->scan_begin_arg = v32.scan_begin_arg;
+ cmd->convert_src = v32.convert_src;
+ cmd->convert_arg = v32.convert_arg;
+ cmd->scan_end_src = v32.scan_end_src;
+ cmd->scan_end_arg = v32.scan_end_arg;
+ cmd->stop_src = v32.stop_src;
+ cmd->stop_arg = v32.stop_arg;
+ cmd->chanlist = compat_ptr(v32.chanlist);
+ cmd->chanlist_len = v32.chanlist_len;
+ cmd->data = compat_ptr(v32.data);
+ cmd->data_len = v32.data_len;
+ return 0;
+}
+
+/* Copy native cmd structure to 32-bit cmd structure. */
+static int put_compat_cmd(struct comedi32_cmd_struct __user *cmd32,
+ struct comedi_cmd *cmd)
+{
+ struct comedi32_cmd_struct v32;
+
+ memset(&v32, 0, sizeof(v32));
+ v32.subdev = cmd->subdev;
+ v32.flags = cmd->flags;
+ v32.start_src = cmd->start_src;
+ v32.start_arg = cmd->start_arg;
+ v32.scan_begin_src = cmd->scan_begin_src;
+ v32.scan_begin_arg = cmd->scan_begin_arg;
+ v32.convert_src = cmd->convert_src;
+ v32.convert_arg = cmd->convert_arg;
+ v32.scan_end_src = cmd->scan_end_src;
+ v32.scan_end_arg = cmd->scan_end_arg;
+ v32.stop_src = cmd->stop_src;
+ v32.stop_arg = cmd->stop_arg;
+ /* Assume chanlist pointer is unchanged. */
+ v32.chanlist = ptr_to_compat(cmd->chanlist);
+ v32.chanlist_len = cmd->chanlist_len;
+ v32.data = ptr_to_compat(cmd->data);
+ v32.data_len = cmd->data_len;
+ return copy_to_user(cmd32, &v32, sizeof(v32));
+}
+
+/* Handle 32-bit COMEDI_CMD ioctl. */
+static int compat_cmd(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi_cmd cmd;
+ bool copy = false;
+ int rc, err;
+
+ rc = get_compat_cmd(&cmd, compat_ptr(arg));
+ if (rc)
+ return rc;
+
+ mutex_lock(&dev->mutex);
+ rc = do_cmd_ioctl(dev, &cmd, &copy, file);
+ mutex_unlock(&dev->mutex);
+ if (copy) {
+ /* Special case: copy cmd back to user. */
+ err = put_compat_cmd(compat_ptr(arg), &cmd);
+ if (err)
+ rc = err;
+ }
+ return rc;
+}
+
+/* Handle 32-bit COMEDI_CMDTEST ioctl. */
+static int compat_cmdtest(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi_cmd cmd;
+ bool copy = false;
+ int rc, err;
+
+ rc = get_compat_cmd(&cmd, compat_ptr(arg));
+ if (rc)
+ return rc;
+
+ mutex_lock(&dev->mutex);
+ rc = do_cmdtest_ioctl(dev, &cmd, &copy, file);
+ mutex_unlock(&dev->mutex);
+ if (copy) {
+ err = put_compat_cmd(compat_ptr(arg), &cmd);
+ if (err)
+ rc = err;
+ }
+ return rc;
+}
+
+/* Copy 32-bit insn structure to native insn structure. */
+static int get_compat_insn(struct comedi_insn *insn,
+ struct comedi32_insn_struct __user *insn32)
+{
+ struct comedi32_insn_struct v32;
+
+ /* Copy insn structure. Ignore the unused members. */
+ if (copy_from_user(&v32, insn32, sizeof(v32)))
+ return -EFAULT;
+ memset(insn, 0, sizeof(*insn));
+ insn->insn = v32.insn;
+ insn->n = v32.n;
+ insn->data = compat_ptr(v32.data);
+ insn->subdev = v32.subdev;
+ insn->chanspec = v32.chanspec;
+ return 0;
+}
+
+/* Handle 32-bit COMEDI_INSNLIST ioctl. */
+static int compat_insnlist(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi32_insnlist_struct insnlist32;
+ struct comedi32_insn_struct __user *insn32;
+ struct comedi_insn *insns;
+ unsigned int n;
+ int rc;
+
+ if (copy_from_user(&insnlist32, compat_ptr(arg), sizeof(insnlist32)))
+ return -EFAULT;
+
+ insns = kcalloc(insnlist32.n_insns, sizeof(*insns), GFP_KERNEL);
+ if (!insns)
+ return -ENOMEM;
+
+ /* Copy insn structures. */
+ insn32 = compat_ptr(insnlist32.insns);
+ for (n = 0; n < insnlist32.n_insns; n++) {
+ rc = get_compat_insn(insns + n, insn32 + n);
+ if (rc) {
+ kfree(insns);
+ return rc;
+ }
+ }
+
+ mutex_lock(&dev->mutex);
+ rc = do_insnlist_ioctl(dev, insns, insnlist32.n_insns, file);
+ mutex_unlock(&dev->mutex);
+ return rc;
+}
+
+/* Handle 32-bit COMEDI_INSN ioctl. */
+static int compat_insn(struct file *file, unsigned long arg)
+{
+ struct comedi_file *cfp = file->private_data;
+ struct comedi_device *dev = cfp->dev;
+ struct comedi_insn insn;
+ int rc;
+
+ rc = get_compat_insn(&insn, (void __user *)arg);
+ if (rc)
+ return rc;
+
+ mutex_lock(&dev->mutex);
+ rc = do_insn_ioctl(dev, &insn, file);
+ mutex_unlock(&dev->mutex);
+ return rc;
+}
+
+/*
+ * compat_ioctl file operation.
+ *
+ * Returns -ENOIOCTLCMD for unrecognised ioctl codes.
+ */
+static long comedi_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int rc;
+
+ switch (cmd) {
+ case COMEDI_DEVCONFIG:
+ case COMEDI_DEVINFO:
+ case COMEDI_SUBDINFO:
+ case COMEDI_BUFCONFIG:
+ case COMEDI_BUFINFO:
+ /* Just need to translate the pointer argument. */
+ arg = (unsigned long)compat_ptr(arg);
+ rc = comedi_unlocked_ioctl(file, cmd, arg);
+ break;
+ case COMEDI_LOCK:
+ case COMEDI_UNLOCK:
+ case COMEDI_CANCEL:
+ case COMEDI_POLL:
+ case COMEDI_SETRSUBD:
+ case COMEDI_SETWSUBD:
+ /* No translation needed. */
+ rc = comedi_unlocked_ioctl(file, cmd, arg);
+ break;
+ case COMEDI32_CHANINFO:
+ rc = compat_chaninfo(file, arg);
+ break;
+ case COMEDI32_RANGEINFO:
+ rc = compat_rangeinfo(file, arg);
+ break;
+ case COMEDI32_CMD:
+ rc = compat_cmd(file, arg);
+ break;
+ case COMEDI32_CMDTEST:
+ rc = compat_cmdtest(file, arg);
+ break;
+ case COMEDI32_INSNLIST:
+ rc = compat_insnlist(file, arg);
+ break;
+ case COMEDI32_INSN:
+ rc = compat_insn(file, arg);
+ break;
+ default:
+ rc = -ENOIOCTLCMD;
+ break;
+ }
+ return rc;
+}
+#else
+#define comedi_compat_ioctl NULL
+#endif
+
static const struct file_operations comedi_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = comedi_unlocked_ioctl,
diff --git a/drivers/staging/comedi/comedi_internal.h b/drivers/staging/comedi/comedi_internal.h
index 515f293a5d26..7c8f18f55122 100644
--- a/drivers/staging/comedi/comedi_internal.h
+++ b/drivers/staging/comedi/comedi_internal.h
@@ -18,7 +18,7 @@ struct comedi_subdevice;
struct device;
int do_rangeinfo_ioctl(struct comedi_device *dev,
- struct comedi_rangeinfo __user *arg);
+ struct comedi_rangeinfo *it);
struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device);
void comedi_release_hardware_device(struct device *hardware_device);
int comedi_alloc_subdevice_minor(struct comedi_subdevice *s);
diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c
index 83026ba63d1c..78a7c1b3448a 100644
--- a/drivers/staging/comedi/drivers/dt2815.c
+++ b/drivers/staging/comedi/drivers/dt2815.c
@@ -92,6 +92,7 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
int ret;
for (i = 0; i < insn->n; i++) {
+ /* FIXME: lo bit 0 chooses voltage output or current output */
lo = ((data[i] & 0x0f) << 4) | (chan << 1) | 0x01;
hi = (data[i] & 0xff0) >> 4;
@@ -105,6 +106,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
if (ret)
return ret;
+ outb(hi, dev->iobase + DT2815_DATA);
+
devpriv->ao_readback[chan] = data[i];
}
return i;
diff --git a/drivers/staging/comedi/range.c b/drivers/staging/comedi/range.c
index 89d599877445..a4e6fe0fb729 100644
--- a/drivers/staging/comedi/range.c
+++ b/drivers/staging/comedi/range.c
@@ -46,17 +46,14 @@ EXPORT_SYMBOL_GPL(range_unknown);
* array of comedi_krange structures to rangeinfo->range_ptr pointer
*/
int do_rangeinfo_ioctl(struct comedi_device *dev,
- struct comedi_rangeinfo __user *arg)
+ struct comedi_rangeinfo *it)
{
- struct comedi_rangeinfo it;
int subd, chan;
const struct comedi_lrange *lr;
struct comedi_subdevice *s;
- if (copy_from_user(&it, arg, sizeof(struct comedi_rangeinfo)))
- return -EFAULT;
- subd = (it.range_type >> 24) & 0xf;
- chan = (it.range_type >> 16) & 0xff;
+ subd = (it->range_type >> 24) & 0xf;
+ chan = (it->range_type >> 16) & 0xff;
if (!dev->attached)
return -EINVAL;
@@ -73,15 +70,15 @@ int do_rangeinfo_ioctl(struct comedi_device *dev,
return -EINVAL;
}
- if (RANGE_LENGTH(it.range_type) != lr->length) {
+ if (RANGE_LENGTH(it->range_type) != lr->length) {
dev_dbg(dev->class_dev,
"wrong length %d should be %d (0x%08x)\n",
- RANGE_LENGTH(it.range_type),
- lr->length, it.range_type);
+ RANGE_LENGTH(it->range_type),
+ lr->length, it->range_type);
return -EINVAL;
}
- if (copy_to_user(it.range_ptr, lr->range,
+ if (copy_to_user(it->range_ptr, lr->range,
sizeof(struct comedi_krange) * lr->length))
return -EFAULT;
diff --git a/drivers/staging/fsl-dpaa2/ethsw/README b/drivers/staging/fsl-dpaa2/ethsw/README
index f6fc07f780d1..b48dcbf7c5fb 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/README
+++ b/drivers/staging/fsl-dpaa2/ethsw/README
@@ -79,7 +79,7 @@ The DPSW can have ports connected to DPNIs or to PHYs via DPMACs.
For a more detailed description of the Ethernet switch device driver model
see:
- Documentation/networking/switchdev.txt
+ Documentation/networking/switchdev.rst
Creating an Ethernet Switch
===========================
diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
index 46199c8ca441..f12f81c8dd2f 100644
--- a/drivers/staging/gasket/apex_driver.c
+++ b/drivers/staging/gasket/apex_driver.c
@@ -570,13 +570,6 @@ static const struct pci_device_id apex_pci_ids[] = {
{ PCI_DEVICE(APEX_PCI_VENDOR_ID, APEX_PCI_DEVICE_ID) }, { 0 }
};
-static void apex_pci_fixup_class(struct pci_dev *pdev)
-{
- pdev->class = (PCI_CLASS_SYSTEM_OTHER << 8) | pdev->class;
-}
-DECLARE_PCI_FIXUP_CLASS_HEADER(APEX_PCI_VENDOR_ID, APEX_PCI_DEVICE_ID,
- PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class);
-
static int apex_pci_probe(struct pci_dev *pci_dev,
const struct pci_device_id *id)
{
diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c
index 8e0575fcb4c8..67325fbaf760 100644
--- a/drivers/staging/gasket/gasket_core.c
+++ b/drivers/staging/gasket/gasket_core.c
@@ -925,6 +925,10 @@ do_map_region(const struct gasket_dev *gasket_dev, struct vm_area_struct *vma,
gasket_get_bar_index(gasket_dev,
(vma->vm_pgoff << PAGE_SHIFT) +
driver_desc->legacy_mmap_address_offset);
+
+ if (bar_index < 0)
+ return DO_MAP_REGION_INVALID;
+
phys_base = gasket_dev->bar_data[bar_index].phys_base + phys_offset;
while (mapped_bytes < map_length) {
/*
diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c
index a2d67c28f530..5f0e089573a2 100644
--- a/drivers/staging/gasket/gasket_sysfs.c
+++ b/drivers/staging/gasket/gasket_sysfs.c
@@ -228,8 +228,7 @@ int gasket_sysfs_create_entries(struct device *device,
}
mutex_lock(&mapping->mutex);
- for (i = 0; strcmp(attrs[i].attr.attr.name, GASKET_ARRAY_END_MARKER);
- i++) {
+ for (i = 0; attrs[i].attr.attr.name != NULL; i++) {
if (mapping->attribute_count == GASKET_SYSFS_MAX_NODES) {
dev_err(device,
"Maximum number of sysfs nodes reached for device\n");
diff --git a/drivers/staging/gasket/gasket_sysfs.h b/drivers/staging/gasket/gasket_sysfs.h
index 1d0eed66a7f4..ab5aa351d555 100644
--- a/drivers/staging/gasket/gasket_sysfs.h
+++ b/drivers/staging/gasket/gasket_sysfs.h
@@ -30,10 +30,6 @@
*/
#define GASKET_SYSFS_MAX_NODES 196
-/* End markers for sysfs struct arrays. */
-#define GASKET_ARRAY_END_TOKEN GASKET_RESERVED_ARRAY_END
-#define GASKET_ARRAY_END_MARKER __stringify(GASKET_ARRAY_END_TOKEN)
-
/*
* Terminator struct for a gasket_sysfs_attr array. Must be at the end of
* all gasket_sysfs_attribute arrays.
diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c
index 68c5718be827..0939f4a4c963 100644
--- a/drivers/staging/greybus/sdio.c
+++ b/drivers/staging/greybus/sdio.c
@@ -67,7 +67,6 @@ static void _gb_sdio_set_host_caps(struct gb_sdio_host *host, u32 r)
((r & GB_SDIO_CAP_8_BIT_DATA) ? MMC_CAP_8_BIT_DATA : 0) |
((r & GB_SDIO_CAP_MMC_HS) ? MMC_CAP_MMC_HIGHSPEED : 0) |
((r & GB_SDIO_CAP_SD_HS) ? MMC_CAP_SD_HIGHSPEED : 0) |
- ((r & GB_SDIO_CAP_ERASE) ? MMC_CAP_ERASE : 0) |
((r & GB_SDIO_CAP_1_2V_DDR) ? MMC_CAP_1_2V_DDR : 0) |
((r & GB_SDIO_CAP_1_8V_DDR) ? MMC_CAP_1_8V_DDR : 0) |
((r & GB_SDIO_CAP_POWER_OFF_CARD) ? MMC_CAP_POWER_OFF_CARD : 0) |
@@ -411,6 +410,7 @@ static int gb_sdio_command(struct gb_sdio_host *host, struct mmc_command *cmd)
struct gb_sdio_command_request request = {0};
struct gb_sdio_command_response response;
struct mmc_data *data = host->mrq->data;
+ unsigned int timeout_ms;
u8 cmd_flags;
u8 cmd_type;
int i;
@@ -469,9 +469,12 @@ static int gb_sdio_command(struct gb_sdio_host *host, struct mmc_command *cmd)
request.data_blksz = cpu_to_le16(data->blksz);
}
- ret = gb_operation_sync(host->connection, GB_SDIO_TYPE_COMMAND,
- &request, sizeof(request), &response,
- sizeof(response));
+ timeout_ms = cmd->busy_timeout ? cmd->busy_timeout :
+ GB_OPERATION_TIMEOUT_DEFAULT;
+
+ ret = gb_operation_sync_timeout(host->connection, GB_SDIO_TYPE_COMMAND,
+ &request, sizeof(request), &response,
+ sizeof(response), timeout_ms);
if (ret < 0)
goto out;
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index 55c51143bb09..4ffb334cd5cd 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -537,9 +537,9 @@ static void gb_tty_set_termios(struct tty_struct *tty,
}
if (C_CRTSCTS(tty) && C_BAUD(tty) != B0)
- newline.flow_control |= GB_SERIAL_AUTO_RTSCTS_EN;
+ newline.flow_control = GB_SERIAL_AUTO_RTSCTS_EN;
else
- newline.flow_control &= ~GB_SERIAL_AUTO_RTSCTS_EN;
+ newline.flow_control = 0;
if (memcmp(&gb_tty->line_coding, &newline, sizeof(newline))) {
memcpy(&gb_tty->line_coding, &newline, sizeof(newline));
diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 4b25a3a314ed..ed404355ea4c 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -130,17 +130,24 @@ static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data)
static int ad2s1210_config_read(struct ad2s1210_state *st,
unsigned char address)
{
- struct spi_transfer xfer = {
- .len = 2,
- .rx_buf = st->rx,
- .tx_buf = st->tx,
+ struct spi_transfer xfers[] = {
+ {
+ .len = 1,
+ .rx_buf = &st->rx[0],
+ .tx_buf = &st->tx[0],
+ .cs_change = 1,
+ }, {
+ .len = 1,
+ .rx_buf = &st->rx[1],
+ .tx_buf = &st->tx[1],
+ },
};
int ret = 0;
ad2s1210_set_mode(MOD_CONFIG, st);
st->tx[0] = address | AD2S1210_MSB_IS_HIGH;
st->tx[1] = AD2S1210_REG_FAULT;
- ret = spi_sync_transfer(st->sdev, &xfer, 1);
+ ret = spi_sync_transfer(st->sdev, xfers, 2);
if (ret < 0)
return ret;
diff --git a/drivers/staging/kpc2000/kpc2000/core.c b/drivers/staging/kpc2000/kpc2000/core.c
index 7b00d7069e21..358d7b2f4ad1 100644
--- a/drivers/staging/kpc2000/kpc2000/core.c
+++ b/drivers/staging/kpc2000/kpc2000/core.c
@@ -298,7 +298,6 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
{
int err = 0;
struct kp2000_device *pcard;
- int rv;
unsigned long reg_bar_phys_addr;
unsigned long reg_bar_phys_len;
unsigned long dma_bar_phys_addr;
@@ -445,11 +444,11 @@ static int kp2000_pcie_probe(struct pci_dev *pdev,
if (err < 0)
goto err_release_dma;
- rv = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
- pcard->name, pcard);
- if (rv) {
+ err = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED,
+ pcard->name, pcard);
+ if (err) {
dev_err(&pcard->pdev->dev,
- "%s: failed to request_irq: %d\n", __func__, rv);
+ "%s: failed to request_irq: %d\n", __func__, err);
goto err_disable_msi;
}
diff --git a/drivers/staging/ks7010/TODO b/drivers/staging/ks7010/TODO
index 87a6dac4890d..ab6f39175d99 100644
--- a/drivers/staging/ks7010/TODO
+++ b/drivers/staging/ks7010/TODO
@@ -30,5 +30,4 @@ Now the TODOs:
Please send any patches to:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-Wolfram Sang <wsa@the-dreams.de>
Linux Driver Project Developer List <driverdev-devel@linuxdriverproject.org>
diff --git a/drivers/staging/media/ipu3/ipu3-css-pool.h b/drivers/staging/media/ipu3/ipu3-css-pool.h
index f4a60b41401b..a8ccd4f70320 100644
--- a/drivers/staging/media/ipu3/ipu3-css-pool.h
+++ b/drivers/staging/media/ipu3/ipu3-css-pool.h
@@ -15,14 +15,12 @@ struct imgu_device;
* @size: size of the buffer in bytes.
* @vaddr: kernel virtual address.
* @daddr: iova dma address to access IPU3.
- * @vma: private, a pointer to &struct vm_struct,
- * used for imgu_dmamap_free.
*/
struct imgu_css_map {
size_t size;
void *vaddr;
dma_addr_t daddr;
- struct vm_struct *vma;
+ struct page **pages;
};
/**
diff --git a/drivers/staging/media/ipu3/ipu3-dmamap.c b/drivers/staging/media/ipu3/ipu3-dmamap.c
index 7431322379f6..8a19b0024152 100644
--- a/drivers/staging/media/ipu3/ipu3-dmamap.c
+++ b/drivers/staging/media/ipu3/ipu3-dmamap.c
@@ -96,6 +96,7 @@ void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map,
unsigned long shift = iova_shift(&imgu->iova_domain);
struct device *dev = &imgu->pci_dev->dev;
size_t size = PAGE_ALIGN(len);
+ int count = size >> PAGE_SHIFT;
struct page **pages;
dma_addr_t iovaddr;
struct iova *iova;
@@ -114,7 +115,7 @@ void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map,
/* Call IOMMU driver to setup pgt */
iovaddr = iova_dma_addr(&imgu->iova_domain, iova);
- for (i = 0; i < size / PAGE_SIZE; ++i) {
+ for (i = 0; i < count; ++i) {
rval = imgu_mmu_map(imgu->mmu, iovaddr,
page_to_phys(pages[i]), PAGE_SIZE);
if (rval)
@@ -123,33 +124,23 @@ void *imgu_dmamap_alloc(struct imgu_device *imgu, struct imgu_css_map *map,
iovaddr += PAGE_SIZE;
}
- /* Now grab a virtual region */
- map->vma = __get_vm_area(size, VM_USERMAP, VMALLOC_START, VMALLOC_END);
- if (!map->vma)
+ map->vaddr = vmap(pages, count, VM_USERMAP, PAGE_KERNEL);
+ if (!map->vaddr)
goto out_unmap;
- map->vma->pages = pages;
- /* And map it in KVA */
- if (map_vm_area(map->vma, PAGE_KERNEL, pages))
- goto out_vunmap;
-
+ map->pages = pages;
map->size = size;
map->daddr = iova_dma_addr(&imgu->iova_domain, iova);
- map->vaddr = map->vma->addr;
dev_dbg(dev, "%s: allocated %zu @ IOVA %pad @ VA %p\n", __func__,
- size, &map->daddr, map->vma->addr);
-
- return map->vma->addr;
+ size, &map->daddr, map->vaddr);
-out_vunmap:
- vunmap(map->vma->addr);
+ return map->vaddr;
out_unmap:
imgu_dmamap_free_buffer(pages, size);
imgu_mmu_unmap(imgu->mmu, iova_dma_addr(&imgu->iova_domain, iova),
i * PAGE_SIZE);
- map->vma = NULL;
out_free_iova:
__free_iova(&imgu->iova_domain, iova);
@@ -177,8 +168,6 @@ void imgu_dmamap_unmap(struct imgu_device *imgu, struct imgu_css_map *map)
*/
void imgu_dmamap_free(struct imgu_device *imgu, struct imgu_css_map *map)
{
- struct vm_struct *area = map->vma;
-
dev_dbg(&imgu->pci_dev->dev, "%s: freeing %zu @ IOVA %pad @ VA %p\n",
__func__, map->size, &map->daddr, map->vaddr);
@@ -187,11 +176,8 @@ void imgu_dmamap_free(struct imgu_device *imgu, struct imgu_css_map *map)
imgu_dmamap_unmap(imgu, map);
- if (WARN_ON(!area) || WARN_ON(!area->pages))
- return;
-
- imgu_dmamap_free_buffer(area->pages, map->size);
vunmap(map->vaddr);
+ imgu_dmamap_free_buffer(map->pages, map->size);
map->vaddr = NULL;
}
diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
index 1ba85a43f05a..cd31ad2b8a7b 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
@@ -3163,29 +3163,6 @@ exit:
return ret;
}
-static void cfg80211_rtw_mgmt_frame_register(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg)
-{
- struct net_device *ndev = wdev_to_ndev(wdev);
- struct adapter *adapter;
-
- if (ndev == NULL)
- goto exit;
-
- adapter = (struct adapter *)rtw_netdev_priv(ndev);
-
-#ifdef DEBUG_CFG80211
- DBG_871X(FUNC_ADPT_FMT" frame_type:%x, reg:%d\n", FUNC_ADPT_ARG(adapter),
- frame_type, reg);
-#endif
-
- if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ))
- return;
-exit:
- return;
-}
-
#if defined(CONFIG_PNO_SUPPORT)
static int cfg80211_rtw_sched_scan_start(struct wiphy *wiphy,
struct net_device *dev,
@@ -3397,7 +3374,6 @@ static struct cfg80211_ops rtw_cfg80211_ops = {
.change_bss = cfg80211_rtw_change_bss,
.mgmt_tx = cfg80211_rtw_mgmt_tx,
- .mgmt_frame_register = cfg80211_rtw_mgmt_frame_register,
#if defined(CONFIG_PNO_SUPPORT)
.sched_scan_start = cfg80211_rtw_sched_scan_start,
diff --git a/drivers/staging/vt6656/key.c b/drivers/staging/vt6656/key.c
index 41b73f9670e2..ac3b188984d0 100644
--- a/drivers/staging/vt6656/key.c
+++ b/drivers/staging/vt6656/key.c
@@ -83,9 +83,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
case VNT_KEY_PAIRWISE:
key_mode |= mode;
key_inx = 4;
- /* Don't save entry for pairwise key for station mode */
- if (priv->op_mode == NL80211_IFTYPE_STATION)
- clear_bit(entry, &priv->key_entry_inuse);
break;
default:
return -EINVAL;
@@ -109,7 +106,6 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr,
int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
struct ieee80211_vif *vif, struct ieee80211_key_conf *key)
{
- struct ieee80211_bss_conf *conf = &vif->bss_conf;
struct vnt_private *priv = hw->priv;
u8 *mac_addr = NULL;
u8 key_dec_mode = 0;
@@ -154,16 +150,12 @@ int vnt_set_keys(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
return -EOPNOTSUPP;
}
- if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
vnt_set_keymode(hw, mac_addr, key, VNT_KEY_PAIRWISE,
key_dec_mode, true);
- } else {
- vnt_set_keymode(hw, mac_addr, key, VNT_KEY_DEFAULTKEY,
+ else
+ vnt_set_keymode(hw, mac_addr, key, VNT_KEY_GROUP_ADDRESS,
key_dec_mode, true);
- vnt_set_keymode(hw, (u8 *)conf->bssid, key,
- VNT_KEY_GROUP_ADDRESS, key_dec_mode, true);
- }
-
return 0;
}
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 8e7269c87ea9..5f78cad3b647 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -625,8 +625,6 @@ static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
priv->op_mode = vif->type;
- vnt_set_bss_mode(priv);
-
/* LED blink on TX */
vnt_mac_set_led(priv, LEDSTS_STS, LEDSTS_INTER);
@@ -713,7 +711,6 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
priv->basic_rates = conf->basic_rates;
vnt_update_top_rates(priv);
- vnt_set_bss_mode(priv);
dev_dbg(&priv->usb->dev, "basic rates %x\n", conf->basic_rates);
}
@@ -742,11 +739,14 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
priv->short_slot_time = false;
vnt_set_short_slot_time(priv);
- vnt_update_ifs(priv);
vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
vnt_update_pre_ed_threshold(priv, false);
}
+ if (changed & (BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE |
+ BSS_CHANGED_ERP_SLOT))
+ vnt_set_bss_mode(priv);
+
if (changed & BSS_CHANGED_TXPOWER)
vnt_rf_setpower(priv, priv->current_rate,
conf->chandef.chan->hw_value);
@@ -770,12 +770,15 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw,
vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL,
TFTCTL_TSFCNTREN);
- vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
- conf->sync_tsf, priv->current_tsf);
-
vnt_mac_set_beacon_interval(priv, conf->beacon_int);
vnt_reset_next_tbtt(priv, conf->beacon_int);
+
+ vnt_adjust_tsf(priv, conf->beacon_rate->hw_value,
+ conf->sync_tsf, priv->current_tsf);
+
+ vnt_update_next_tbtt(priv,
+ conf->sync_tsf, conf->beacon_int);
} else {
vnt_clear_current_tsf(priv);
@@ -809,15 +812,11 @@ static void vnt_configure(struct ieee80211_hw *hw,
{
struct vnt_private *priv = hw->priv;
u8 rx_mode = 0;
- int rc;
*total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
- rc = vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
- MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
-
- if (!rc)
- rx_mode = RCR_MULTICAST | RCR_BROADCAST;
+ vnt_control_in(priv, MESSAGE_TYPE_READ, MAC_REG_RCR,
+ MESSAGE_REQUEST_MACREG, sizeof(u8), &rx_mode);
dev_dbg(&priv->usb->dev, "rx mode in = %x\n", rx_mode);
@@ -856,8 +855,12 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
case SET_KEY:
return vnt_set_keys(hw, sta, vif, key);
case DISABLE_KEY:
- if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
+ if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) {
clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
+
+ vnt_mac_disable_keyentry(priv, key->hw_key_idx);
+ }
+
default:
break;
}
diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c
index eae211e5860f..91b62c3dff7b 100644
--- a/drivers/staging/vt6656/usbpipe.c
+++ b/drivers/staging/vt6656/usbpipe.c
@@ -207,7 +207,8 @@ static void vnt_int_process_data(struct vnt_private *priv)
priv->wake_up_count =
priv->hw->conf.listen_interval;
- --priv->wake_up_count;
+ if (priv->wake_up_count)
+ --priv->wake_up_count;
/* Turn on wake up to listen next beacon */
if (priv->wake_up_count == 1)
diff --git a/drivers/staging/wfx/scan.c b/drivers/staging/wfx/scan.c
index 6e1e50048651..9aa14331affd 100644
--- a/drivers/staging/wfx/scan.c
+++ b/drivers/staging/wfx/scan.c
@@ -57,8 +57,10 @@ static int send_scan_req(struct wfx_vif *wvif,
wvif->scan_abort = false;
reinit_completion(&wvif->scan_complete);
timeout = hif_scan(wvif, req, start_idx, i - start_idx);
- if (timeout < 0)
+ if (timeout < 0) {
+ wfx_tx_unlock(wvif->wdev);
return timeout;
+ }
ret = wait_for_completion_timeout(&wvif->scan_complete, timeout);
if (req->channels[start_idx]->max_power != wvif->vif->bss_conf.txpower)
hif_set_output_power(wvif, wvif->vif->bss_conf.txpower);
diff --git a/drivers/staging/wilc1000/cfg80211.c b/drivers/staging/wilc1000/cfg80211.c
index 4bdcbc5fd2fd..b6065a0d660f 100644
--- a/drivers/staging/wilc1000/cfg80211.c
+++ b/drivers/staging/wilc1000/cfg80211.c
@@ -1217,33 +1217,31 @@ static int mgmt_tx_cancel_wait(struct wiphy *wiphy,
return 0;
}
-void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
struct wilc *wl = wiphy_priv(wiphy);
struct wilc_vif *vif = netdev_priv(wdev->netdev);
+ u32 presp_bit = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
+ u32 action_bit = BIT(IEEE80211_STYPE_ACTION >> 4);
- if (!frame_type)
- return;
+ if (wl->initialized) {
+ bool prev = vif->mgmt_reg_stypes & presp_bit;
+ bool now = upd->interface_stypes & presp_bit;
- switch (frame_type) {
- case IEEE80211_STYPE_PROBE_REQ:
- vif->frame_reg[0].type = frame_type;
- vif->frame_reg[0].reg = reg;
- break;
+ if (now != prev)
+ wilc_frame_register(vif, IEEE80211_STYPE_PROBE_REQ, now);
- case IEEE80211_STYPE_ACTION:
- vif->frame_reg[1].type = frame_type;
- vif->frame_reg[1].reg = reg;
- break;
+ prev = vif->mgmt_reg_stypes & action_bit;
+ now = upd->interface_stypes & action_bit;
- default:
- break;
+ if (now != prev)
+ wilc_frame_register(vif, IEEE80211_STYPE_ACTION, now);
}
- if (!wl->initialized)
- return;
- wilc_frame_register(vif, frame_type, reg);
+ vif->mgmt_reg_stypes =
+ upd->interface_stypes & (presp_bit | action_bit);
}
static int set_cqm_rssi_config(struct wiphy *wiphy, struct net_device *dev,
@@ -1665,7 +1663,7 @@ static const struct cfg80211_ops wilc_cfg80211_ops = {
.cancel_remain_on_channel = cancel_remain_on_channel,
.mgmt_tx_cancel_wait = mgmt_tx_cancel_wait,
.mgmt_tx = mgmt_tx,
- .mgmt_frame_register = wilc_mgmt_frame_register,
+ .update_mgmt_frame_registrations = wilc_update_mgmt_frame_registrations,
.set_power_mgmt = set_power_mgmt,
.set_cqm_rssi_config = set_cqm_rssi_config,
diff --git a/drivers/staging/wilc1000/cfg80211.h b/drivers/staging/wilc1000/cfg80211.h
index 5e5d63f70df2..37b294cb3b37 100644
--- a/drivers/staging/wilc1000/cfg80211.h
+++ b/drivers/staging/wilc1000/cfg80211.h
@@ -21,8 +21,9 @@ void wilc_wfi_deinit_mon_interface(struct wilc *wl, bool rtnl_locked);
struct net_device *wilc_wfi_init_mon_interface(struct wilc *wl,
const char *name,
struct net_device *real_dev);
-void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wdev,
- u16 frame_type, bool reg);
+void wilc_update_mgmt_frame_registrations(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd);
struct wilc_vif *wilc_get_interface(struct wilc *wl);
struct wilc_vif *wilc_get_wl_to_vif(struct wilc *wl);
void wlan_deinit_locks(struct wilc *wilc);
diff --git a/drivers/staging/wilc1000/netdev.c b/drivers/staging/wilc1000/netdev.c
index f94a17babd12..fda0ab97b02c 100644
--- a/drivers/staging/wilc1000/netdev.c
+++ b/drivers/staging/wilc1000/netdev.c
@@ -571,6 +571,7 @@ static int wilc_mac_open(struct net_device *ndev)
struct wilc *wl = vif->wilc;
unsigned char mac_add[ETH_ALEN] = {0};
int ret = 0;
+ struct mgmt_frame_regs mgmt_regs = {};
if (!wl || !wl->dev) {
netdev_err(ndev, "device not ready\n");
@@ -602,14 +603,12 @@ static int wilc_mac_open(struct net_device *ndev)
return -EINVAL;
}
- wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
- vif->ndev->ieee80211_ptr,
- vif->frame_reg[0].type,
- vif->frame_reg[0].reg);
- wilc_mgmt_frame_register(vif->ndev->ieee80211_ptr->wiphy,
- vif->ndev->ieee80211_ptr,
- vif->frame_reg[1].type,
- vif->frame_reg[1].reg);
+ mgmt_regs.interface_stypes = vif->mgmt_reg_stypes;
+ /* so we detect a change */
+ vif->mgmt_reg_stypes = 0;
+ wilc_update_mgmt_frame_registrations(vif->ndev->ieee80211_ptr->wiphy,
+ vif->ndev->ieee80211_ptr,
+ &mgmt_regs);
netif_wake_queue(ndev);
wl->open_ifcs++;
vif->mac_opened = 1;
@@ -792,12 +791,10 @@ void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size)
srcu_idx = srcu_read_lock(&wilc->srcu);
list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
u16 type = le16_to_cpup((__le16 *)buff);
+ u32 type_bit = BIT(type >> 4);
if (vif->priv.p2p_listen_state &&
- ((type == vif->frame_reg[0].type &&
- vif->frame_reg[0].reg) ||
- (type == vif->frame_reg[1].type &&
- vif->frame_reg[1].reg)))
+ vif->mgmt_reg_stypes & type_bit)
wilc_wfi_p2p_rx(vif, buff, size);
if (vif->monitor_flag)
diff --git a/drivers/staging/wilc1000/netdev.h b/drivers/staging/wilc1000/netdev.h
index 61cbec674a62..d0a006b68d08 100644
--- a/drivers/staging/wilc1000/netdev.h
+++ b/drivers/staging/wilc1000/netdev.h
@@ -24,8 +24,6 @@
#define PMKID_FOUND 1
#define NUM_STA_ASSOCIATED 8
-#define NUM_REG_FRAME 2
-
#define TCP_ACK_FILTER_LINK_SPEED_THRESH 54
#define DEFAULT_LINK_SPEED 72
@@ -151,11 +149,6 @@ struct wilc_priv {
u64 inc_roc_cookie;
};
-struct frame_reg {
- u16 type;
- bool reg;
-};
-
#define MAX_TCP_SESSION 25
#define MAX_PENDING_ACKS 256
@@ -187,7 +180,7 @@ struct wilc_vif {
u8 iftype;
int monitor_flag;
int mac_opened;
- struct frame_reg frame_reg[NUM_REG_FRAME];
+ u32 mgmt_reg_stypes;
struct net_device_stats netstats;
struct wilc *wilc;
u8 bssid[ETH_ALEN];
diff --git a/drivers/target/iscsi/Kconfig b/drivers/target/iscsi/Kconfig
index 1f93ea381353..922484ea4e30 100644
--- a/drivers/target/iscsi/Kconfig
+++ b/drivers/target/iscsi/Kconfig
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0-only
config ISCSI_TARGET
tristate "Linux-iSCSI.org iSCSI Target Mode Stack"
- depends on NET
+ depends on INET
select CRYPTO
select CRYPTO_CRC32C
select CRYPTO_CRC32C_INTEL if X86
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 731ee67fe914..85748e338858 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -15,6 +15,7 @@
#include <linux/sched/signal.h>
#include <linux/idr.h>
#include <linux/tcp.h> /* TCP_NODELAY */
+#include <net/ip.h>
#include <net/ipv6.h> /* ipv6_addr_v4mapped() */
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
@@ -855,7 +856,7 @@ int iscsit_setup_np(
struct sockaddr_storage *sockaddr)
{
struct socket *sock = NULL;
- int backlog = ISCSIT_TCP_BACKLOG, ret, opt = 0, len;
+ int backlog = ISCSIT_TCP_BACKLOG, ret, len;
switch (np->np_network_transport) {
case ISCSI_TCP:
@@ -897,34 +898,10 @@ int iscsit_setup_np(
/*
* Set SO_REUSEADDR, and disable Nagel Algorithm with TCP_NODELAY.
*/
- /* FIXME: Someone please explain why this is endian-safe */
- opt = 1;
- if (np->np_network_transport == ISCSI_TCP) {
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
- (char *)&opt, sizeof(opt));
- if (ret < 0) {
- pr_err("kernel_setsockopt() for TCP_NODELAY"
- " failed: %d\n", ret);
- goto fail;
- }
- }
-
- /* FIXME: Someone please explain why this is endian-safe */
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
- (char *)&opt, sizeof(opt));
- if (ret < 0) {
- pr_err("kernel_setsockopt() for SO_REUSEADDR"
- " failed\n");
- goto fail;
- }
-
- ret = kernel_setsockopt(sock, IPPROTO_IP, IP_FREEBIND,
- (char *)&opt, sizeof(opt));
- if (ret < 0) {
- pr_err("kernel_setsockopt() for IP_FREEBIND"
- " failed\n");
- goto fail;
- }
+ if (np->np_network_transport == ISCSI_TCP)
+ tcp_sock_set_nodelay(sock->sk);
+ sock_set_reuseaddr(sock->sk);
+ ip_sock_set_freebind(sock->sk);
ret = kernel_bind(sock, (struct sockaddr *)&np->np_sockaddr, len);
if (ret < 0) {
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 51ffd5c002de..1c181d31f4c8 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -432,7 +432,7 @@ iblock_execute_zero_out(struct block_device *bdev, struct se_cmd *cmd)
target_to_linux_sector(dev, cmd->t_task_lba),
target_to_linux_sector(dev,
sbc_get_write_same_sectors(cmd)),
- GFP_KERNEL, false);
+ GFP_KERNEL, BLKDEV_ZERO_NOUNMAP);
if (ret)
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 594b724bbf79..264a822c0bfa 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3350,6 +3350,7 @@ static void target_tmr_work(struct work_struct *work)
cmd->se_tfo->queue_tm_rsp(cmd);
+ transport_lun_remove_cmd(cmd);
transport_cmd_check_stop_to_fabric(cmd);
return;
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 3d084cec136f..50c7534ba31e 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -182,6 +182,9 @@ static int usb4_switch_op(struct tb_switch *sw, u16 opcode, u8 *status)
return ret;
ret = tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_26, 1);
+ if (ret)
+ return ret;
+
if (val & ROUTER_CS_26_ONS)
return -EOPNOTSUPP;
diff --git a/drivers/tty/hvc/Kconfig b/drivers/tty/hvc/Kconfig
index 31b7e1b03749..d1b27b0522a3 100644
--- a/drivers/tty/hvc/Kconfig
+++ b/drivers/tty/hvc/Kconfig
@@ -88,7 +88,7 @@ config HVC_DCC
config HVC_RISCV_SBI
bool "RISC-V SBI console support"
- depends on RISCV_SBI
+ depends on RISCV_SBI_V01
select HVC_DRIVER
help
This enables support for console output via RISC-V SBI calls, which
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index 27284a2dcd2b..436cc51c92c3 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -302,10 +302,6 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops)
vtermnos[index] = vtermno;
cons_ops[index] = ops;
- /* reserve all indices up to and including this index */
- if (last_hvc < index)
- last_hvc = index;
-
/* check if we need to re-register the kernel console */
hvc_check_console(index);
@@ -960,13 +956,22 @@ struct hvc_struct *hvc_alloc(uint32_t vtermno, int data,
cons_ops[i] == hp->ops)
break;
- /* no matching slot, just use a counter */
- if (i >= MAX_NR_HVC_CONSOLES)
- i = ++last_hvc;
+ if (i >= MAX_NR_HVC_CONSOLES) {
+
+ /* find 'empty' slot for console */
+ for (i = 0; i < MAX_NR_HVC_CONSOLES && vtermnos[i] != -1; i++) {
+ }
+
+ /* no matching slot, just use a counter */
+ if (i == MAX_NR_HVC_CONSOLES)
+ i = ++last_hvc + MAX_NR_HVC_CONSOLES;
+ }
hp->index = i;
- cons_ops[i] = ops;
- vtermnos[i] = vtermno;
+ if (i < MAX_NR_HVC_CONSOLES) {
+ cons_ops[i] = ops;
+ vtermnos[i] = vtermno;
+ }
list_add_tail(&(hp->next), &hvc_structs);
mutex_unlock(&hvc_structs_mutex);
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index 991f49ee4026..b09eac4b6d64 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -423,13 +423,6 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,
struct n_hdlc_buf *rbuf;
DECLARE_WAITQUEUE(wait, current);
- /* verify user access to buffer */
- if (!access_ok(buf, nr)) {
- pr_warn("%s(%d) %s() can't verify user buffer\n",
- __FILE__, __LINE__, __func__);
- return -EFAULT;
- }
-
add_wait_queue(&tty->read_wait, &wait);
for (;;) {
diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c
index fbaa4ec85560..e2138e7d5dc6 100644
--- a/drivers/tty/rocket.c
+++ b/drivers/tty/rocket.c
@@ -632,18 +632,21 @@ init_r_port(int board, int aiop, int chan, struct pci_dev *pci_dev)
tty_port_init(&info->port);
info->port.ops = &rocket_port_ops;
info->flags &= ~ROCKET_MODE_MASK;
- switch (pc104[board][line]) {
- case 422:
- info->flags |= ROCKET_MODE_RS422;
- break;
- case 485:
- info->flags |= ROCKET_MODE_RS485;
- break;
- case 232:
- default:
+ if (board < ARRAY_SIZE(pc104) && line < ARRAY_SIZE(pc104_1))
+ switch (pc104[board][line]) {
+ case 422:
+ info->flags |= ROCKET_MODE_RS422;
+ break;
+ case 485:
+ info->flags |= ROCKET_MODE_RS485;
+ break;
+ case 232:
+ default:
+ info->flags |= ROCKET_MODE_RS232;
+ break;
+ }
+ else
info->flags |= ROCKET_MODE_RS232;
- break;
- }
info->intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR;
if (sInitChan(ctlp, &info->channel, aiop, chan) == 0) {
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index 5cd8c36c8fcc..70d7826788f5 100644
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -109,6 +109,28 @@ static void early_serial8250_write(struct console *console,
uart_console_write(port, s, count, serial_putc);
}
+#ifdef CONFIG_CONSOLE_POLL
+static int early_serial8250_read(struct console *console,
+ char *s, unsigned int count)
+{
+ struct earlycon_device *device = console->data;
+ struct uart_port *port = &device->port;
+ unsigned int status;
+ int num_read = 0;
+
+ while (num_read < count) {
+ status = serial8250_early_in(port, UART_LSR);
+ if (!(status & UART_LSR_DR))
+ break;
+ s[num_read++] = serial8250_early_in(port, UART_RX);
+ }
+
+ return num_read;
+}
+#else
+#define early_serial8250_read NULL
+#endif
+
static void __init init_port(struct earlycon_device *device)
{
struct uart_port *port = &device->port;
@@ -149,6 +171,7 @@ int __init early_serial8250_setup(struct earlycon_device *device,
init_port(device);
device->con->write = early_serial8250_write;
+ device->con->read = early_serial8250_read;
return 0;
}
EARLYCON_DECLARE(uart8250, early_serial8250_setup);
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 0aea76cd67ff..adf9e80e7dc9 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -86,7 +86,7 @@ config SERIAL_EARLYCON_ARM_SEMIHOST
config SERIAL_EARLYCON_RISCV_SBI
bool "Early console using RISC-V SBI"
- depends on RISCV_SBI
+ depends on RISCV_SBI_V01
select SERIAL_CORE
select SERIAL_CORE_CONSOLE
select SERIAL_EARLYCON
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 2296bb0f9578..c010f639298d 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2435,6 +2435,37 @@ static void pl011_early_write(struct console *con, const char *s, unsigned n)
uart_console_write(&dev->port, s, n, pl011_putc);
}
+#ifdef CONFIG_CONSOLE_POLL
+static int pl011_getc(struct uart_port *port)
+{
+ if (readl(port->membase + UART01x_FR) & UART01x_FR_RXFE)
+ return NO_POLL_CHAR;
+
+ if (port->iotype == UPIO_MEM32)
+ return readl(port->membase + UART01x_DR);
+ else
+ return readb(port->membase + UART01x_DR);
+}
+
+static int pl011_early_read(struct console *con, char *s, unsigned int n)
+{
+ struct earlycon_device *dev = con->data;
+ int ch, num_read = 0;
+
+ while (num_read < n) {
+ ch = pl011_getc(&dev->port);
+ if (ch == NO_POLL_CHAR)
+ break;
+
+ s[num_read++] = ch;
+ }
+
+ return num_read;
+}
+#else
+#define pl011_early_read NULL
+#endif
+
/*
* On non-ACPI systems, earlycon is enabled by specifying
* "earlycon=pl011,<address>" on the kernel command line.
@@ -2454,6 +2485,7 @@ static int __init pl011_early_console_setup(struct earlycon_device *device,
return -ENODEV;
device->con->write = pl011_early_write;
+ device->con->read = pl011_early_read;
return 0;
}
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index c9f94fa82be4..41396982e9e0 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -20,6 +20,8 @@
#include <linux/vt_kern.h>
#include <linux/input.h>
#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/serial_core.h>
#define MAX_CONFIG_LEN 40
@@ -27,6 +29,7 @@ static struct kgdb_io kgdboc_io_ops;
/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */
static int configured = -1;
+static DEFINE_MUTEX(config_mutex);
static char config[MAX_CONFIG_LEN];
static struct kparam_string kps = {
@@ -38,6 +41,14 @@ static int kgdboc_use_kms; /* 1 if we use kernel mode switching */
static struct tty_driver *kgdb_tty_driver;
static int kgdb_tty_line;
+static struct platform_device *kgdboc_pdev;
+
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
+static struct kgdb_io kgdboc_earlycon_io_ops;
+static struct console *earlycon;
+static int (*earlycon_orig_exit)(struct console *con);
+#endif /* IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
+
#ifdef CONFIG_KDB_KEYBOARD
static int kgdboc_reset_connect(struct input_handler *handler,
struct input_dev *dev,
@@ -131,13 +142,27 @@ static void kgdboc_unregister_kbd(void)
#define kgdboc_restore_input()
#endif /* ! CONFIG_KDB_KEYBOARD */
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
+static void cleanup_earlycon(void)
+{
+ if (earlycon)
+ kgdb_unregister_io_module(&kgdboc_earlycon_io_ops);
+}
+#else /* !IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
+static inline void cleanup_earlycon(void) { }
+#endif /* !IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
+
static void cleanup_kgdboc(void)
{
+ cleanup_earlycon();
+
+ if (configured != 1)
+ return;
+
if (kgdb_unregister_nmi_console())
return;
kgdboc_unregister_kbd();
- if (configured == 1)
- kgdb_unregister_io_module(&kgdboc_io_ops);
+ kgdb_unregister_io_module(&kgdboc_io_ops);
}
static int configure_kgdboc(void)
@@ -198,20 +223,79 @@ nmi_con_failed:
kgdb_unregister_io_module(&kgdboc_io_ops);
noconfig:
kgdboc_unregister_kbd();
- config[0] = 0;
configured = 0;
- cleanup_kgdboc();
return err;
}
+static int kgdboc_probe(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ mutex_lock(&config_mutex);
+ if (configured != 1) {
+ ret = configure_kgdboc();
+
+ /* Convert "no device" to "defer" so we'll keep trying */
+ if (ret == -ENODEV)
+ ret = -EPROBE_DEFER;
+ }
+ mutex_unlock(&config_mutex);
+
+ return ret;
+}
+
+static struct platform_driver kgdboc_platform_driver = {
+ .probe = kgdboc_probe,
+ .driver = {
+ .name = "kgdboc",
+ .suppress_bind_attrs = true,
+ },
+};
+
static int __init init_kgdboc(void)
{
- /* Already configured? */
- if (configured == 1)
+ int ret;
+
+ /*
+ * kgdboc is a little bit of an odd "platform_driver". It can be
+ * up and running long before the platform_driver object is
+ * created and thus doesn't actually store anything in it. There's
+ * only one instance of kgdb so anything is stored as global state.
+ * The platform_driver is only created so that we can leverage the
+ * kernel's mechanisms (like -EPROBE_DEFER) to call us when our
+ * underlying tty is ready. Here we init our platform driver and
+ * then create the single kgdboc instance.
+ */
+ ret = platform_driver_register(&kgdboc_platform_driver);
+ if (ret)
+ return ret;
+
+ kgdboc_pdev = platform_device_alloc("kgdboc", PLATFORM_DEVID_NONE);
+ if (!kgdboc_pdev) {
+ ret = -ENOMEM;
+ goto err_did_register;
+ }
+
+ ret = platform_device_add(kgdboc_pdev);
+ if (!ret)
return 0;
- return configure_kgdboc();
+ platform_device_put(kgdboc_pdev);
+
+err_did_register:
+ platform_driver_unregister(&kgdboc_platform_driver);
+ return ret;
+}
+
+static void exit_kgdboc(void)
+{
+ mutex_lock(&config_mutex);
+ cleanup_kgdboc();
+ mutex_unlock(&config_mutex);
+
+ platform_device_unregister(kgdboc_pdev);
+ platform_driver_unregister(&kgdboc_platform_driver);
}
static int kgdboc_get_char(void)
@@ -234,24 +318,20 @@ static int param_set_kgdboc_var(const char *kmessage,
const struct kernel_param *kp)
{
size_t len = strlen(kmessage);
+ int ret = 0;
if (len >= MAX_CONFIG_LEN) {
pr_err("config string too long\n");
return -ENOSPC;
}
- /* Only copy in the string if the init function has not run yet */
- if (configured < 0) {
- strcpy(config, kmessage);
- return 0;
- }
-
if (kgdb_connected) {
pr_err("Cannot reconfigure while KGDB is connected.\n");
-
return -EBUSY;
}
+ mutex_lock(&config_mutex);
+
strcpy(config, kmessage);
/* Chop out \n char as a result of echo */
if (len && config[len - 1] == '\n')
@@ -260,8 +340,30 @@ static int param_set_kgdboc_var(const char *kmessage,
if (configured == 1)
cleanup_kgdboc();
- /* Go and configure with the new params. */
- return configure_kgdboc();
+ /*
+ * Configure with the new params as long as init already ran.
+ * Note that we can get called before init if someone loads us
+ * with "modprobe kgdboc kgdboc=..." or if they happen to use the
+ * the odd syntax of "kgdboc.kgdboc=..." on the kernel command.
+ */
+ if (configured >= 0)
+ ret = configure_kgdboc();
+
+ /*
+ * If we couldn't configure then clear out the config. Note that
+ * specifying an invalid config on the kernel command line vs.
+ * through sysfs have slightly different behaviors. If we fail
+ * to configure what was specified on the kernel command line
+ * we'll leave it in the 'config' and return -EPROBE_DEFER from
+ * our probe. When specified through sysfs userspace is
+ * responsible for loading the tty driver before setting up.
+ */
+ if (ret)
+ config[0] = '\0';
+
+ mutex_unlock(&config_mutex);
+
+ return ret;
}
static int dbg_restore_graphics;
@@ -275,14 +377,10 @@ static void kgdboc_pre_exp_handler(void)
/* Increment the module count when the debugger is active */
if (!kgdb_connected)
try_module_get(THIS_MODULE);
-
- atomic_inc(&ignore_console_lock_warning);
}
static void kgdboc_post_exp_handler(void)
{
- atomic_dec(&ignore_console_lock_warning);
-
/* decrement the module count when the debugger detaches */
if (!kgdb_connected)
module_put(THIS_MODULE);
@@ -301,7 +399,7 @@ static struct kgdb_io kgdboc_io_ops = {
.post_exception = kgdboc_post_exp_handler,
};
-#ifdef CONFIG_KGDB_SERIAL_CONSOLE
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
static int kgdboc_option_setup(char *opt)
{
if (!opt) {
@@ -324,23 +422,181 @@ __setup("kgdboc=", kgdboc_option_setup);
/* This is only available if kgdboc is a built in for early debugging */
static int __init kgdboc_early_init(char *opt)
{
- /* save the first character of the config string because the
- * init routine can destroy it.
- */
- char save_ch;
-
kgdboc_option_setup(opt);
- save_ch = config[0];
- init_kgdboc();
- config[0] = save_ch;
+ configure_kgdboc();
return 0;
}
early_param("ekgdboc", kgdboc_early_init);
-#endif /* CONFIG_KGDB_SERIAL_CONSOLE */
+
+static int kgdboc_earlycon_get_char(void)
+{
+ char c;
+
+ if (!earlycon->read(earlycon, &c, 1))
+ return NO_POLL_CHAR;
+
+ return c;
+}
+
+static void kgdboc_earlycon_put_char(u8 chr)
+{
+ earlycon->write(earlycon, &chr, 1);
+}
+
+static void kgdboc_earlycon_pre_exp_handler(void)
+{
+ struct console *con;
+ static bool already_warned;
+
+ if (already_warned)
+ return;
+
+ /*
+ * When the first normal console comes up the kernel will take all
+ * the boot consoles out of the list. Really, we should stop using
+ * the boot console when it does that but until a TTY is registered
+ * we have no other choice so we keep using it. Since not all
+ * serial drivers might be OK with this, print a warning once per
+ * boot if we detect this case.
+ */
+ for_each_console(con)
+ if (con == earlycon)
+ return;
+
+ already_warned = true;
+ pr_warn("kgdboc_earlycon is still using bootconsole\n");
+}
+
+static int kgdboc_earlycon_deferred_exit(struct console *con)
+{
+ /*
+ * If we get here it means the boot console is going away but we
+ * don't yet have a suitable replacement. Don't pass through to
+ * the original exit routine. We'll call it later in our deinit()
+ * function. For now, restore the original exit() function pointer
+ * as a sentinal that we've hit this point.
+ */
+ con->exit = earlycon_orig_exit;
+
+ return 0;
+}
+
+static void kgdboc_earlycon_deinit(void)
+{
+ if (!earlycon)
+ return;
+
+ if (earlycon->exit == kgdboc_earlycon_deferred_exit)
+ /*
+ * kgdboc_earlycon is exiting but original boot console exit
+ * was never called (AKA kgdboc_earlycon_deferred_exit()
+ * didn't ever run). Undo our trap.
+ */
+ earlycon->exit = earlycon_orig_exit;
+ else if (earlycon->exit)
+ /*
+ * We skipped calling the exit() routine so we could try to
+ * keep using the boot console even after it went away. We're
+ * finally done so call the function now.
+ */
+ earlycon->exit(earlycon);
+
+ earlycon = NULL;
+}
+
+static struct kgdb_io kgdboc_earlycon_io_ops = {
+ .name = "kgdboc_earlycon",
+ .read_char = kgdboc_earlycon_get_char,
+ .write_char = kgdboc_earlycon_put_char,
+ .pre_exception = kgdboc_earlycon_pre_exp_handler,
+ .deinit = kgdboc_earlycon_deinit,
+ .is_console = true,
+};
+
+#define MAX_CONSOLE_NAME_LEN (sizeof((struct console *) 0)->name)
+static char kgdboc_earlycon_param[MAX_CONSOLE_NAME_LEN] __initdata;
+static bool kgdboc_earlycon_late_enable __initdata;
+
+static int __init kgdboc_earlycon_init(char *opt)
+{
+ struct console *con;
+
+ kdb_init(KDB_INIT_EARLY);
+
+ /*
+ * Look for a matching console, or if the name was left blank just
+ * pick the first one we find.
+ */
+ console_lock();
+ for_each_console(con) {
+ if (con->write && con->read &&
+ (con->flags & (CON_BOOT | CON_ENABLED)) &&
+ (!opt || !opt[0] || strcmp(con->name, opt) == 0))
+ break;
+ }
+
+ if (!con) {
+ /*
+ * Both earlycon and kgdboc_earlycon are initialized during * early parameter parsing. We cannot guarantee earlycon gets
+ * in first and, in any case, on ACPI systems earlycon may
+ * defer its own initialization (usually to somewhere within
+ * setup_arch() ). To cope with either of these situations
+ * we can defer our own initialization to a little later in
+ * the boot.
+ */
+ if (!kgdboc_earlycon_late_enable) {
+ pr_info("No suitable earlycon yet, will try later\n");
+ if (opt)
+ strscpy(kgdboc_earlycon_param, opt,
+ sizeof(kgdboc_earlycon_param));
+ kgdboc_earlycon_late_enable = true;
+ } else {
+ pr_info("Couldn't find kgdb earlycon\n");
+ }
+ goto unlock;
+ }
+
+ earlycon = con;
+ pr_info("Going to register kgdb with earlycon '%s'\n", con->name);
+ if (kgdb_register_io_module(&kgdboc_earlycon_io_ops) != 0) {
+ earlycon = NULL;
+ pr_info("Failed to register kgdb with earlycon\n");
+ } else {
+ /* Trap exit so we can keep earlycon longer if needed. */
+ earlycon_orig_exit = con->exit;
+ con->exit = kgdboc_earlycon_deferred_exit;
+ }
+
+unlock:
+ console_unlock();
+
+ /* Non-zero means malformed option so we always return zero */
+ return 0;
+}
+
+early_param("kgdboc_earlycon", kgdboc_earlycon_init);
+
+/*
+ * This is only intended for the late adoption of an early console.
+ *
+ * It is not a reliable way to adopt regular consoles because we can not
+ * control what order console initcalls are made and, in any case, many
+ * regular consoles are registered much later in the boot process than
+ * the console initcalls!
+ */
+static int __init kgdboc_earlycon_late_init(void)
+{
+ if (kgdboc_earlycon_late_enable)
+ kgdboc_earlycon_init(kgdboc_earlycon_param);
+ return 0;
+}
+console_initcall(kgdboc_earlycon_late_init);
+
+#endif /* IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
module_init(init_kgdboc);
-module_exit(cleanup_kgdboc);
+module_exit(exit_kgdboc);
module_param_call(kgdboc, param_set_kgdboc_var, param_get_string, &kps, 0644);
MODULE_PARM_DESC(kgdboc, "<serial_device>[,baud]");
MODULE_DESCRIPTION("KGDB Console TTY Driver");
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c
index 42c8cc93b603..c149f8c30007 100644
--- a/drivers/tty/serial/owl-uart.c
+++ b/drivers/tty/serial/owl-uart.c
@@ -680,6 +680,12 @@ static int owl_uart_probe(struct platform_device *pdev)
return PTR_ERR(owl_port->clk);
}
+ ret = clk_prepare_enable(owl_port->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "could not enable clk\n");
+ return ret;
+ }
+
owl_port->port.dev = &pdev->dev;
owl_port->port.line = pdev->id;
owl_port->port.type = PORT_OWL;
@@ -712,6 +718,7 @@ static int owl_uart_remove(struct platform_device *pdev)
uart_remove_one_port(&owl_uart_driver, &owl_port->port);
owl_uart_ports[pdev->id] = NULL;
+ clk_disable_unprepare(owl_port->clk);
return 0;
}
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 6119090ce045..6bace1c6bb09 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1090,6 +1090,36 @@ static void qcom_geni_serial_earlycon_write(struct console *con,
__qcom_geni_serial_console_write(&dev->port, s, n);
}
+#ifdef CONFIG_CONSOLE_POLL
+static int qcom_geni_serial_earlycon_read(struct console *con,
+ char *s, unsigned int n)
+{
+ struct earlycon_device *dev = con->data;
+ struct uart_port *uport = &dev->port;
+ int num_read = 0;
+ int ch;
+
+ while (num_read < n) {
+ ch = qcom_geni_serial_get_char(uport);
+ if (ch == NO_POLL_CHAR)
+ break;
+ s[num_read++] = ch;
+ }
+
+ return num_read;
+}
+
+static void __init qcom_geni_serial_enable_early_read(struct geni_se *se,
+ struct console *con)
+{
+ geni_se_setup_s_cmd(se, UART_START_READ, 0);
+ con->read = qcom_geni_serial_earlycon_read;
+}
+#else
+static inline void qcom_geni_serial_enable_early_read(struct geni_se *se,
+ struct console *con) { }
+#endif
+
static int __init qcom_geni_serial_earlycon_setup(struct earlycon_device *dev,
const char *opt)
{
@@ -1136,6 +1166,8 @@ static int __init qcom_geni_serial_earlycon_setup(struct earlycon_device *dev,
dev->con->write = qcom_geni_serial_earlycon_write;
dev->con->setup = NULL;
+ qcom_geni_serial_enable_early_read(&se, dev->con);
+
return 0;
}
OF_EARLYCON_DECLARE(qcom_geni, "qcom,geni-debug-uart",
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index c073aa7001c4..e1179e74a2b8 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -870,9 +870,16 @@ static void sci_receive_chars(struct uart_port *port)
tty_insert_flip_char(tport, c, TTY_NORMAL);
} else {
for (i = 0; i < count; i++) {
- char c = serial_port_in(port, SCxRDR);
-
- status = serial_port_in(port, SCxSR);
+ char c;
+
+ if (port->type == PORT_SCIF ||
+ port->type == PORT_HSCIF) {
+ status = serial_port_in(port, SCxSR);
+ c = serial_port_in(port, SCxRDR);
+ } else {
+ c = serial_port_in(port, SCxRDR);
+ status = serial_port_in(port, SCxSR);
+ }
if (uart_handle_sysrq_char(port, c)) {
count--; i--;
continue;
diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c
index 13eadcb8aec4..0b5110dad051 100644
--- a/drivers/tty/serial/sifive.c
+++ b/drivers/tty/serial/sifive.c
@@ -883,6 +883,7 @@ console_initcall(sifive_console_init);
static void __ssp_add_console_port(struct sifive_serial_port *ssp)
{
+ spin_lock_init(&ssp->port.lock);
sifive_serial_console_ports[ssp->port.line] = ssp;
}
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index eafada8fb6fa..e35073e93a5b 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -567,6 +567,9 @@ static int hv_probe(struct platform_device *op)
sunserial_console_match(&sunhv_console, op->dev.of_node,
&sunhv_reg, port->line, false);
+ /* We need to initialize lock even for non-registered console */
+ spin_lock_init(&port->lock);
+
err = uart_add_one_port(&sunhv_reg, port);
if (err)
goto out_unregister_driver;
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 6b26f767768e..35e9e8faf8de 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -26,13 +26,15 @@
#define CDNS_UART_TTY_NAME "ttyPS"
#define CDNS_UART_NAME "xuartps"
+#define CDNS_UART_MAJOR 0 /* use dynamic node allocation */
+#define CDNS_UART_MINOR 0 /* works best with devtmpfs */
+#define CDNS_UART_NR_PORTS 16
#define CDNS_UART_FIFO_SIZE 64 /* FIFO size */
#define CDNS_UART_REGISTER_SPACE 0x1000
#define TX_TIMEOUT 500000
/* Rx Trigger level */
static int rx_trigger_level = 56;
-static int uartps_major;
module_param(rx_trigger_level, uint, 0444);
MODULE_PARM_DESC(rx_trigger_level, "Rx trigger level, 1-63 bytes");
@@ -188,7 +190,6 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
* @pclk: APB clock
* @cdns_uart_driver: Pointer to UART driver
* @baud: Current baud rate
- * @id: Port ID
* @clk_rate_change_nb: Notifier block for clock changes
* @quirks: Flags for RXBS support.
*/
@@ -198,7 +199,6 @@ struct cdns_uart {
struct clk *pclk;
struct uart_driver *cdns_uart_driver;
unsigned int baud;
- int id;
struct notifier_block clk_rate_change_nb;
u32 quirks;
bool cts_override;
@@ -1133,6 +1133,8 @@ static const struct uart_ops cdns_uart_ops = {
#endif
};
+static struct uart_driver cdns_uart_uart_driver;
+
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/**
* cdns_uart_console_putchar - write the character to the FIFO buffer
@@ -1272,6 +1274,16 @@ static int cdns_uart_console_setup(struct console *co, char *options)
return uart_set_options(port, co, baud, parity, bits, flow);
}
+
+static struct console cdns_uart_console = {
+ .name = CDNS_UART_TTY_NAME,
+ .write = cdns_uart_console_write,
+ .device = uart_console_device,
+ .setup = cdns_uart_console_setup,
+ .flags = CON_PRINTBUFFER,
+ .index = -1, /* Specified on the cmdline (e.g. console=ttyPS ) */
+ .data = &cdns_uart_uart_driver,
+};
#endif /* CONFIG_SERIAL_XILINX_PS_UART_CONSOLE */
#ifdef CONFIG_PM_SLEEP
@@ -1403,89 +1415,8 @@ static const struct of_device_id cdns_uart_of_match[] = {
};
MODULE_DEVICE_TABLE(of, cdns_uart_of_match);
-/*
- * Maximum number of instances without alias IDs but if there is alias
- * which target "< MAX_UART_INSTANCES" range this ID can't be used.
- */
-#define MAX_UART_INSTANCES 32
-
-/* Stores static aliases list */
-static DECLARE_BITMAP(alias_bitmap, MAX_UART_INSTANCES);
-static int alias_bitmap_initialized;
-
-/* Stores actual bitmap of allocated IDs with alias IDs together */
-static DECLARE_BITMAP(bitmap, MAX_UART_INSTANCES);
-/* Protect bitmap operations to have unique IDs */
-static DEFINE_MUTEX(bitmap_lock);
-
-static int cdns_get_id(struct platform_device *pdev)
-{
- int id, ret;
-
- mutex_lock(&bitmap_lock);
-
- /* Alias list is stable that's why get alias bitmap only once */
- if (!alias_bitmap_initialized) {
- ret = of_alias_get_alias_list(cdns_uart_of_match, "serial",
- alias_bitmap, MAX_UART_INSTANCES);
- if (ret && ret != -EOVERFLOW) {
- mutex_unlock(&bitmap_lock);
- return ret;
- }
-
- alias_bitmap_initialized++;
- }
-
- /* Make sure that alias ID is not taken by instance without alias */
- bitmap_or(bitmap, bitmap, alias_bitmap, MAX_UART_INSTANCES);
-
- dev_dbg(&pdev->dev, "Alias bitmap: %*pb\n",
- MAX_UART_INSTANCES, bitmap);
-
- /* Look for a serialN alias */
- id = of_alias_get_id(pdev->dev.of_node, "serial");
- if (id < 0) {
- dev_warn(&pdev->dev,
- "No serial alias passed. Using the first free id\n");
-
- /*
- * Start with id 0 and check if there is no serial0 alias
- * which points to device which is compatible with this driver.
- * If alias exists then try next free position.
- */
- id = 0;
-
- for (;;) {
- dev_info(&pdev->dev, "Checking id %d\n", id);
- id = find_next_zero_bit(bitmap, MAX_UART_INSTANCES, id);
-
- /* No free empty instance */
- if (id == MAX_UART_INSTANCES) {
- dev_err(&pdev->dev, "No free ID\n");
- mutex_unlock(&bitmap_lock);
- return -EINVAL;
- }
-
- dev_dbg(&pdev->dev, "The empty id is %d\n", id);
- /* Check if ID is empty */
- if (!test_and_set_bit(id, bitmap)) {
- /* Break the loop if bit is taken */
- dev_dbg(&pdev->dev,
- "Selected ID %d allocation passed\n",
- id);
- break;
- }
- dev_dbg(&pdev->dev,
- "Selected ID %d allocation failed\n", id);
- /* if taking bit fails then try next one */
- id++;
- }
- }
-
- mutex_unlock(&bitmap_lock);
-
- return id;
-}
+/* Temporary variable for storing number of instances */
+static int instances;
/**
* cdns_uart_probe - Platform driver probe
@@ -1495,16 +1426,11 @@ static int cdns_get_id(struct platform_device *pdev)
*/
static int cdns_uart_probe(struct platform_device *pdev)
{
- int rc, irq;
+ int rc, id, irq;
struct uart_port *port;
struct resource *res;
struct cdns_uart *cdns_uart_data;
const struct of_device_id *match;
- struct uart_driver *cdns_uart_uart_driver;
- char *driver_name;
-#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
- struct console *cdns_uart_console;
-#endif
cdns_uart_data = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_data),
GFP_KERNEL);
@@ -1514,64 +1440,36 @@ static int cdns_uart_probe(struct platform_device *pdev)
if (!port)
return -ENOMEM;
- cdns_uart_uart_driver = devm_kzalloc(&pdev->dev,
- sizeof(*cdns_uart_uart_driver),
- GFP_KERNEL);
- if (!cdns_uart_uart_driver)
- return -ENOMEM;
-
- cdns_uart_data->id = cdns_get_id(pdev);
- if (cdns_uart_data->id < 0)
- return cdns_uart_data->id;
+ /* Look for a serialN alias */
+ id = of_alias_get_id(pdev->dev.of_node, "serial");
+ if (id < 0)
+ id = 0;
- /* There is a need to use unique driver name */
- driver_name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "%s%d",
- CDNS_UART_NAME, cdns_uart_data->id);
- if (!driver_name) {
- rc = -ENOMEM;
- goto err_out_id;
+ if (id >= CDNS_UART_NR_PORTS) {
+ dev_err(&pdev->dev, "Cannot get uart_port structure\n");
+ return -ENODEV;
}
- cdns_uart_uart_driver->owner = THIS_MODULE;
- cdns_uart_uart_driver->driver_name = driver_name;
- cdns_uart_uart_driver->dev_name = CDNS_UART_TTY_NAME;
- cdns_uart_uart_driver->major = uartps_major;
- cdns_uart_uart_driver->minor = cdns_uart_data->id;
- cdns_uart_uart_driver->nr = 1;
-
+ if (!cdns_uart_uart_driver.state) {
+ cdns_uart_uart_driver.owner = THIS_MODULE;
+ cdns_uart_uart_driver.driver_name = CDNS_UART_NAME;
+ cdns_uart_uart_driver.dev_name = CDNS_UART_TTY_NAME;
+ cdns_uart_uart_driver.major = CDNS_UART_MAJOR;
+ cdns_uart_uart_driver.minor = CDNS_UART_MINOR;
+ cdns_uart_uart_driver.nr = CDNS_UART_NR_PORTS;
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
- cdns_uart_console = devm_kzalloc(&pdev->dev, sizeof(*cdns_uart_console),
- GFP_KERNEL);
- if (!cdns_uart_console) {
- rc = -ENOMEM;
- goto err_out_id;
- }
-
- strncpy(cdns_uart_console->name, CDNS_UART_TTY_NAME,
- sizeof(cdns_uart_console->name));
- cdns_uart_console->index = cdns_uart_data->id;
- cdns_uart_console->write = cdns_uart_console_write;
- cdns_uart_console->device = uart_console_device;
- cdns_uart_console->setup = cdns_uart_console_setup;
- cdns_uart_console->flags = CON_PRINTBUFFER;
- cdns_uart_console->data = cdns_uart_uart_driver;
- cdns_uart_uart_driver->cons = cdns_uart_console;
+ cdns_uart_uart_driver.cons = &cdns_uart_console;
+ cdns_uart_console.index = id;
#endif
- rc = uart_register_driver(cdns_uart_uart_driver);
- if (rc < 0) {
- dev_err(&pdev->dev, "Failed to register driver\n");
- goto err_out_id;
+ rc = uart_register_driver(&cdns_uart_uart_driver);
+ if (rc < 0) {
+ dev_err(&pdev->dev, "Failed to register driver\n");
+ return rc;
+ }
}
- cdns_uart_data->cdns_uart_driver = cdns_uart_uart_driver;
-
- /*
- * Setting up proper name_base needs to be done after uart
- * registration because tty_driver structure is not filled.
- * name_base is 0 by default.
- */
- cdns_uart_uart_driver->tty_driver->name_base = cdns_uart_data->id;
+ cdns_uart_data->cdns_uart_driver = &cdns_uart_uart_driver;
match = of_match_node(cdns_uart_of_match, pdev->dev.of_node);
if (match && match->data) {
@@ -1649,6 +1547,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
port->ops = &cdns_uart_ops;
port->fifosize = CDNS_UART_FIFO_SIZE;
port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_XILINX_PS_UART_CONSOLE);
+ port->line = id;
/*
* Register the port.
@@ -1680,7 +1579,7 @@ static int cdns_uart_probe(struct platform_device *pdev)
console_port = port;
#endif
- rc = uart_add_one_port(cdns_uart_uart_driver, port);
+ rc = uart_add_one_port(&cdns_uart_uart_driver, port);
if (rc) {
dev_err(&pdev->dev,
"uart_add_one_port() failed; err=%i\n", rc);
@@ -1690,13 +1589,15 @@ static int cdns_uart_probe(struct platform_device *pdev)
#ifdef CONFIG_SERIAL_XILINX_PS_UART_CONSOLE
/* This is not port which is used for console that's why clean it up */
if (console_port == port &&
- !(cdns_uart_uart_driver->cons->flags & CON_ENABLED))
+ !(cdns_uart_uart_driver.cons->flags & CON_ENABLED))
console_port = NULL;
#endif
- uartps_major = cdns_uart_uart_driver->tty_driver->major;
cdns_uart_data->cts_override = of_property_read_bool(pdev->dev.of_node,
"cts-override");
+
+ instances++;
+
return 0;
err_out_pm_disable:
@@ -1712,12 +1613,8 @@ err_out_clk_disable:
err_out_clk_dis_pclk:
clk_disable_unprepare(cdns_uart_data->pclk);
err_out_unregister_driver:
- uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
-err_out_id:
- mutex_lock(&bitmap_lock);
- if (cdns_uart_data->id < MAX_UART_INSTANCES)
- clear_bit(cdns_uart_data->id, bitmap);
- mutex_unlock(&bitmap_lock);
+ if (!instances)
+ uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
return rc;
}
@@ -1740,10 +1637,6 @@ static int cdns_uart_remove(struct platform_device *pdev)
#endif
rc = uart_remove_one_port(cdns_uart_data->cdns_uart_driver, port);
port->mapbase = 0;
- mutex_lock(&bitmap_lock);
- if (cdns_uart_data->id < MAX_UART_INSTANCES)
- clear_bit(cdns_uart_data->id, bitmap);
- mutex_unlock(&bitmap_lock);
clk_disable_unprepare(cdns_uart_data->uartclk);
clk_disable_unprepare(cdns_uart_data->pclk);
pm_runtime_disable(&pdev->dev);
@@ -1756,13 +1649,8 @@ static int cdns_uart_remove(struct platform_device *pdev)
console_port = NULL;
#endif
- /* If this is last instance major number should be initialized */
- mutex_lock(&bitmap_lock);
- if (bitmap_empty(bitmap, MAX_UART_INSTANCES))
- uartps_major = 0;
- mutex_unlock(&bitmap_lock);
-
- uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
+ if (!--instances)
+ uart_unregister_driver(cdns_uart_data->cdns_uart_driver);
return rc;
}
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 5e0d0813da55..0dc3878794fd 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -74,6 +74,7 @@ int sysrq_mask(void)
return 1;
return sysrq_enabled;
}
+EXPORT_SYMBOL_GPL(sysrq_mask);
/*
* A value of 1 means 'all', other nonzero values are an op mask:
@@ -1058,6 +1059,7 @@ int sysrq_toggle_support(int enable_mask)
return 0;
}
+EXPORT_SYMBOL_GPL(sysrq_toggle_support);
static int __sysrq_swap_key_ops(int key, struct sysrq_key_op *insert_op_p,
struct sysrq_key_op *remove_op_p)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 309a39197be0..48a8199f7845 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -81,6 +81,7 @@
#include <linux/errno.h>
#include <linux/kd.h>
#include <linux/slab.h>
+#include <linux/vmalloc.h>
#include <linux/major.h>
#include <linux/mm.h>
#include <linux/console.h>
@@ -350,7 +351,7 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
/* allocate everything in one go */
memsize = cols * rows * sizeof(char32_t);
memsize += rows * sizeof(char32_t *);
- p = kmalloc(memsize, GFP_KERNEL);
+ p = vmalloc(memsize);
if (!p)
return NULL;
@@ -364,9 +365,14 @@ static struct uni_screen *vc_uniscr_alloc(unsigned int cols, unsigned int rows)
return uniscr;
}
+static void vc_uniscr_free(struct uni_screen *uniscr)
+{
+ vfree(uniscr);
+}
+
static void vc_uniscr_set(struct vc_data *vc, struct uni_screen *new_uniscr)
{
- kfree(vc->vc_uni_screen);
+ vc_uniscr_free(vc->vc_uni_screen);
vc->vc_uni_screen = new_uniscr;
}
@@ -1206,7 +1212,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
if (new_cols == vc->vc_cols && new_rows == vc->vc_rows)
return 0;
- if (new_screen_size > (4 << 20))
+ if (new_screen_size > KMALLOC_MAX_SIZE)
return -EINVAL;
newscreen = kzalloc(new_screen_size, GFP_USER);
if (!newscreen)
@@ -1229,7 +1235,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
err = resize_screen(vc, new_cols, new_rows, user);
if (err) {
kfree(newscreen);
- kfree(new_uniscr);
+ vc_uniscr_free(new_uniscr);
return err;
}
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 372460ea4df9..4d43f3b28309 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -82,7 +82,7 @@ static int cdns3_ep_run_stream_transfer(struct cdns3_endpoint *priv_ep,
* @ptr: address of device controller register to be read and changed
* @mask: bits requested to clar
*/
-void cdns3_clear_register_bit(void __iomem *ptr, u32 mask)
+static void cdns3_clear_register_bit(void __iomem *ptr, u32 mask)
{
mask = readl(ptr) & ~mask;
writel(mask, ptr);
@@ -137,7 +137,7 @@ struct usb_request *cdns3_next_request(struct list_head *list)
*
* Returns buffer or NULL if no buffers in list
*/
-struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
+static struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
{
return list_first_entry_or_null(list, struct cdns3_aligned_buf, list);
}
@@ -148,7 +148,7 @@ struct cdns3_aligned_buf *cdns3_next_align_buf(struct list_head *list)
*
* Returns request or NULL if no requests in list
*/
-struct cdns3_request *cdns3_next_priv_request(struct list_head *list)
+static struct cdns3_request *cdns3_next_priv_request(struct list_head *list)
{
return list_first_entry_or_null(list, struct cdns3_request, list);
}
@@ -190,7 +190,7 @@ dma_addr_t cdns3_trb_virt_to_dma(struct cdns3_endpoint *priv_ep,
return priv_ep->trb_pool_dma + offset;
}
-int cdns3_ring_size(struct cdns3_endpoint *priv_ep)
+static int cdns3_ring_size(struct cdns3_endpoint *priv_ep)
{
switch (priv_ep->type) {
case USB_ENDPOINT_XFER_ISOC:
@@ -345,7 +345,7 @@ static void cdns3_ep_inc_deq(struct cdns3_endpoint *priv_ep)
cdns3_ep_inc_trb(&priv_ep->dequeue, &priv_ep->ccs, priv_ep->num_trbs);
}
-void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
+static void cdns3_move_deq_to_next_trb(struct cdns3_request *priv_req)
{
struct cdns3_endpoint *priv_ep = priv_req->priv_ep;
int current_trb = priv_req->start_trb;
@@ -511,7 +511,7 @@ static void cdns3_wa2_descmiss_copy_data(struct cdns3_endpoint *priv_ep,
}
}
-struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
+static struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
struct cdns3_endpoint *priv_ep,
struct cdns3_request *priv_req)
{
@@ -551,7 +551,7 @@ struct usb_request *cdns3_wa2_gadget_giveback(struct cdns3_device *priv_dev,
return &priv_req->request;
}
-int cdns3_wa2_gadget_ep_queue(struct cdns3_device *priv_dev,
+static int cdns3_wa2_gadget_ep_queue(struct cdns3_device *priv_dev,
struct cdns3_endpoint *priv_ep,
struct cdns3_request *priv_req)
{
@@ -836,7 +836,7 @@ void cdns3_gadget_giveback(struct cdns3_endpoint *priv_ep,
cdns3_gadget_ep_free_request(&priv_ep->endpoint, request);
}
-void cdns3_wa1_restore_cycle_bit(struct cdns3_endpoint *priv_ep)
+static void cdns3_wa1_restore_cycle_bit(struct cdns3_endpoint *priv_ep)
{
/* Work around for stale data address in TRB*/
if (priv_ep->wa1_set) {
@@ -1904,7 +1904,7 @@ static int cdns3_ep_onchip_buffer_reserve(struct cdns3_device *priv_dev,
return 0;
}
-void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
+static void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
struct cdns3_endpoint *priv_ep)
{
if (!priv_ep->use_streams || priv_dev->gadget.speed < USB_SPEED_SUPER)
@@ -1925,7 +1925,7 @@ void cdns3_stream_ep_reconfig(struct cdns3_device *priv_dev,
EP_CFG_TDL_CHK | EP_CFG_SID_CHK);
}
-void cdns3_configure_dmult(struct cdns3_device *priv_dev,
+static void cdns3_configure_dmult(struct cdns3_device *priv_dev,
struct cdns3_endpoint *priv_ep)
{
struct cdns3_usb_regs __iomem *regs = priv_dev->regs;
@@ -2548,7 +2548,7 @@ found:
link_trb = priv_req->trb;
/* Update ring only if removed request is on pending_req_list list */
- if (req_on_hw_ring) {
+ if (req_on_hw_ring && link_trb) {
link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma +
((priv_req->end_trb + 1) * TRB_SIZE));
link_trb->control = (link_trb->control & TRB_CYCLE) |
diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index af648ba6544d..46105457e1ca 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -114,7 +114,7 @@ static int ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
HS_PHY_ULPI_TX_PKT_EN_CLR_FIX, 0);
- if (!IS_ERR(ci->platdata->vbus_extcon.edev)) {
+ if (!IS_ERR(ci->platdata->vbus_extcon.edev) || ci->role_switch) {
hw_write_id_reg(ci, HS_PHY_GENCONFIG_2,
HS_PHY_SESS_VLD_CTRL_EN,
HS_PHY_SESS_VLD_CTRL_EN);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 84d6f7df09a4..ded8d93834ca 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -412,9 +412,12 @@ static void acm_ctrl_irq(struct urb *urb)
exit:
retval = usb_submit_urb(urb, GFP_ATOMIC);
- if (retval && retval != -EPERM)
+ if (retval && retval != -EPERM && retval != -ENODEV)
dev_err(&acm->control->dev,
"%s - usb_submit_urb failed: %d\n", __func__, retval);
+ else
+ dev_vdbg(&acm->control->dev,
+ "control resubmission terminated %d\n", retval);
}
static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
@@ -430,6 +433,8 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
dev_err(&acm->data->dev,
"urb %d failed submission with %d\n",
index, res);
+ } else {
+ dev_vdbg(&acm->data->dev, "intended failure %d\n", res);
}
set_bit(index, &acm->read_urbs_free);
return res;
@@ -471,6 +476,7 @@ static void acm_read_bulk_callback(struct urb *urb)
int status = urb->status;
bool stopped = false;
bool stalled = false;
+ bool cooldown = false;
dev_vdbg(&acm->data->dev, "got urb %d, len %d, status %d\n",
rb->index, urb->actual_length, status);
@@ -497,6 +503,14 @@ static void acm_read_bulk_callback(struct urb *urb)
__func__, status);
stopped = true;
break;
+ case -EOVERFLOW:
+ case -EPROTO:
+ dev_dbg(&acm->data->dev,
+ "%s - cooling babbling device\n", __func__);
+ usb_mark_last_busy(acm->dev);
+ set_bit(rb->index, &acm->urbs_in_error_delay);
+ cooldown = true;
+ break;
default:
dev_dbg(&acm->data->dev,
"%s - nonzero urb status received: %d\n",
@@ -518,9 +532,11 @@ static void acm_read_bulk_callback(struct urb *urb)
*/
smp_mb__after_atomic();
- if (stopped || stalled) {
+ if (stopped || stalled || cooldown) {
if (stalled)
schedule_work(&acm->work);
+ else if (cooldown)
+ schedule_delayed_work(&acm->dwork, HZ / 2);
return;
}
@@ -557,14 +573,20 @@ static void acm_softint(struct work_struct *work)
struct acm *acm = container_of(work, struct acm, work);
if (test_bit(EVENT_RX_STALL, &acm->flags)) {
- if (!(usb_autopm_get_interface(acm->data))) {
+ smp_mb(); /* against acm_suspend() */
+ if (!acm->susp_count) {
for (i = 0; i < acm->rx_buflimit; i++)
usb_kill_urb(acm->read_urbs[i]);
usb_clear_halt(acm->dev, acm->in);
acm_submit_read_urbs(acm, GFP_KERNEL);
- usb_autopm_put_interface(acm->data);
+ clear_bit(EVENT_RX_STALL, &acm->flags);
}
- clear_bit(EVENT_RX_STALL, &acm->flags);
+ }
+
+ if (test_and_clear_bit(ACM_ERROR_DELAY, &acm->flags)) {
+ for (i = 0; i < ACM_NR; i++)
+ if (test_and_clear_bit(i, &acm->urbs_in_error_delay))
+ acm_submit_read_urb(acm, i, GFP_NOIO);
}
if (test_and_clear_bit(EVENT_TTY_WAKEUP, &acm->flags))
@@ -1333,6 +1355,7 @@ made_compressed_probe:
acm->readsize = readsize;
acm->rx_buflimit = num_rx_buf;
INIT_WORK(&acm->work, acm_softint);
+ INIT_DELAYED_WORK(&acm->dwork, acm_softint);
init_waitqueue_head(&acm->wioctl);
spin_lock_init(&acm->write_lock);
spin_lock_init(&acm->read_lock);
@@ -1542,6 +1565,7 @@ static void acm_disconnect(struct usb_interface *intf)
acm_kill_urbs(acm);
cancel_work_sync(&acm->work);
+ cancel_delayed_work_sync(&acm->dwork);
tty_unregister_device(acm_tty_driver, acm->minor);
@@ -1584,6 +1608,8 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
acm_kill_urbs(acm);
cancel_work_sync(&acm->work);
+ cancel_delayed_work_sync(&acm->dwork);
+ acm->urbs_in_error_delay = 0;
return 0;
}
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index ca1c026382c2..cd5e9d8ab237 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -109,8 +109,11 @@ struct acm {
# define EVENT_TTY_WAKEUP 0
# define EVENT_RX_STALL 1
# define ACM_THROTTLED 2
+# define ACM_ERROR_DELAY 3
+ unsigned long urbs_in_error_delay; /* these need to be restarted after a delay */
struct usb_cdc_line_coding line; /* bits, stop, parity */
- struct work_struct work; /* work queue entry for line discipline waking up */
+ struct work_struct work; /* work queue entry for various purposes*/
+ struct delayed_work dwork; /* for cool downs needed in error recovery */
unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */
unsigned int ctrlout; /* output control lines (DTR, RTS) */
struct async_icount iocount; /* counters for control line changes */
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 44f28a114c2b..94b6fa6e585e 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -598,8 +598,6 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
return -EINVAL;
if (nbytes <= 0)
return 0;
- if (!access_ok(buf, nbytes))
- return -EFAULT;
mutex_lock(&usb_bus_idr_lock);
/* print devices for all busses */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6833c918abce..96d4507d988a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -217,6 +217,7 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma)
{
struct usb_memory *usbm = NULL;
struct usb_dev_state *ps = file->private_data;
+ struct usb_hcd *hcd = bus_to_hcd(ps->dev->bus);
size_t size = vma->vm_end - vma->vm_start;
void *mem;
unsigned long flags;
@@ -250,11 +251,19 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma)
usbm->vma_use_count = 1;
INIT_LIST_HEAD(&usbm->memlist);
- if (remap_pfn_range(vma, vma->vm_start,
- virt_to_phys(usbm->mem) >> PAGE_SHIFT,
- size, vma->vm_page_prot) < 0) {
- dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
- return -EAGAIN;
+ if (hcd->localmem_pool || !hcd_uses_dma(hcd)) {
+ if (remap_pfn_range(vma, vma->vm_start,
+ virt_to_phys(usbm->mem) >> PAGE_SHIFT,
+ size, vma->vm_page_prot) < 0) {
+ dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
+ return -EAGAIN;
+ }
+ } else {
+ if (dma_mmap_coherent(hcd->self.sysdev, vma, mem, dma_handle,
+ size)) {
+ dec_usb_memory_use_count(usbm, &usbm->vma_use_count);
+ return -EAGAIN;
+ }
}
vma->vm_flags |= VM_IO;
@@ -1127,11 +1136,6 @@ static int proc_control(struct usb_dev_state *ps, void __user *arg)
ctrl.bRequestType, ctrl.bRequest, ctrl.wValue,
ctrl.wIndex, ctrl.wLength);
if (ctrl.bRequestType & 0x80) {
- if (ctrl.wLength && !access_ok(ctrl.data,
- ctrl.wLength)) {
- ret = -EINVAL;
- goto done;
- }
pipe = usb_rcvctrlpipe(dev, 0);
snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT, NULL, 0);
@@ -1216,10 +1220,6 @@ static int proc_bulk(struct usb_dev_state *ps, void __user *arg)
}
tmo = bulk.timeout;
if (bulk.ep & 0x80) {
- if (len1 && !access_ok(bulk.data, len1)) {
- ret = -EINVAL;
- goto done;
- }
snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT, NULL, 0);
usb_unlock_device(dev);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 54cd8ef795ec..fc748c731832 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -39,6 +39,7 @@
#define USB_VENDOR_GENESYS_LOGIC 0x05e3
#define USB_VENDOR_SMSC 0x0424
+#define USB_PRODUCT_USB5534B 0x5534
#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01
#define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02
@@ -1223,6 +1224,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
#ifdef CONFIG_PM
udev->reset_resume = 1;
#endif
+ /* Don't set the change_bits when the device
+ * was powered off.
+ */
+ if (test_bit(port1, hub->power_bits))
+ set_bit(port1, hub->change_bits);
} else {
/* The power session is gone; tell hub_wq */
@@ -2723,13 +2729,11 @@ static bool use_new_scheme(struct usb_device *udev, int retry,
{
int old_scheme_first_port =
port_dev->quirks & USB_PORT_QUIRK_OLD_SCHEME;
- int quick_enumeration = (udev->speed == USB_SPEED_HIGH);
if (udev->speed >= USB_SPEED_SUPER)
return false;
- return USE_NEW_SCHEME(retry, old_scheme_first_port || old_scheme_first
- || quick_enumeration);
+ return USE_NEW_SCHEME(retry, old_scheme_first_port || old_scheme_first);
}
/* Is a USB 3.0 port in the Inactive or Compliance Mode state?
@@ -3088,6 +3092,15 @@ static int check_port_resume_type(struct usb_device *udev,
if (portchange & USB_PORT_STAT_C_ENABLE)
usb_clear_port_feature(hub->hdev, port1,
USB_PORT_FEAT_C_ENABLE);
+
+ /*
+ * Whatever made this reset-resume necessary may have
+ * turned on the port1 bit in hub->change_bits. But after
+ * a successful reset-resume we want the bit to be clear;
+ * if it was on it would indicate that something happened
+ * following the reset-resume.
+ */
+ clear_bit(port1, hub->change_bits);
}
return status;
@@ -5609,8 +5622,11 @@ out_hdev_lock:
}
static const struct usb_device_id hub_id_table[] = {
- { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_CLASS,
+ { .match_flags = USB_DEVICE_ID_MATCH_VENDOR
+ | USB_DEVICE_ID_MATCH_PRODUCT
+ | USB_DEVICE_ID_MATCH_INT_CLASS,
.idVendor = USB_VENDOR_SMSC,
+ .idProduct = USB_PRODUCT_USB5534B,
.bInterfaceClass = USB_CLASS_HUB,
.driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND},
{ .match_flags = USB_DEVICE_ID_MATCH_VENDOR
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index d5f834f16993..6197938dcc2d 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -589,12 +589,13 @@ void usb_sg_cancel(struct usb_sg_request *io)
int i, retval;
spin_lock_irqsave(&io->lock, flags);
- if (io->status) {
+ if (io->status || io->count == 0) {
spin_unlock_irqrestore(&io->lock, flags);
return;
}
/* shut everything down */
io->status = -ECONNRESET;
+ io->count++; /* Keep the request alive until we're done */
spin_unlock_irqrestore(&io->lock, flags);
for (i = io->entries - 1; i >= 0; --i) {
@@ -608,6 +609,12 @@ void usb_sg_cancel(struct usb_sg_request *io)
dev_warn(&io->dev->dev, "%s, unlink --> %d\n",
__func__, retval);
}
+
+ spin_lock_irqsave(&io->lock, flags);
+ io->count--;
+ if (!io->count)
+ complete(&io->complete);
+ spin_unlock_irqrestore(&io->lock, flags);
}
EXPORT_SYMBOL_GPL(usb_sg_cancel);
@@ -1137,11 +1144,11 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
if (usb_endpoint_out(epaddr)) {
ep = dev->ep_out[epnum];
- if (reset_hardware)
+ if (reset_hardware && epnum != 0)
dev->ep_out[epnum] = NULL;
} else {
ep = dev->ep_in[epnum];
- if (reset_hardware)
+ if (reset_hardware && epnum != 0)
dev->ep_in[epnum] = NULL;
}
if (ep) {
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index da30b5664ff3..3e8efe759c3e 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -430,6 +430,10 @@ static const struct usb_device_id usb_quirk_list[] = {
/* Corsair K70 LUX */
{ USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT },
+ /* Corsair K70 RGB RAPDIFIRE */
+ { USB_DEVICE(0x1b1c, 0x1b38), .driver_info = USB_QUIRK_DELAY_INIT |
+ USB_QUIRK_DELAY_CTRL_MSG },
+
/* MIDI keyboard WORLDE MINI */
{ USB_DEVICE(0x1c75, 0x0204), .driver_info =
USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 206caa0ea1c6..7a2304565a73 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -4,6 +4,7 @@ config USB_DWC3
tristate "DesignWare USB3 DRD Core Support"
depends on (USB || USB_GADGET) && HAS_DMA
select USB_XHCI_PLATFORM if USB_XHCI_HCD
+ select USB_ROLE_SWITCH if USB_DWC3_DUAL_ROLE
help
Say Y or M here if your system has a Dual Role SuperSpeed
USB controller based on the DesignWare USB3 IP Core.
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 6846eb0cba13..4c171a8e215f 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -307,10 +307,14 @@
/* Global TX Fifo Size Register */
#define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */
-#define DWC31_GTXFIFOSIZ_TXFDEF(n) ((n) & 0x7fff) /* DWC_usb31 only */
-#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
+#define DWC31_GTXFIFOSIZ_TXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */
+#define DWC3_GTXFIFOSIZ_TXFDEP(n) ((n) & 0xffff)
#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
+/* Global RX Fifo Size Register */
+#define DWC31_GRXFIFOSIZ_RXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */
+#define DWC3_GRXFIFOSIZ_RXFDEP(n) ((n) & 0xffff)
+
/* Global Event Size Registers */
#define DWC3_GEVNTSIZ_INTMASK BIT(31)
#define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 7051611229c9..b67372737dc9 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -114,6 +114,7 @@ static const struct property_entry dwc3_pci_intel_properties[] = {
static const struct property_entry dwc3_pci_mrfld_properties[] = {
PROPERTY_ENTRY_STRING("dr_mode", "otg"),
+ PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{}
};
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 4d3c79d90a6e..585cb3deea7a 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1728,7 +1728,6 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
u32 reg;
u8 link_state;
- u8 speed;
/*
* According to the Databook Remote wakeup request should
@@ -1738,16 +1737,13 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
*/
reg = dwc3_readl(dwc->regs, DWC3_DSTS);
- speed = reg & DWC3_DSTS_CONNECTSPD;
- if ((speed == DWC3_DSTS_SUPERSPEED) ||
- (speed == DWC3_DSTS_SUPERSPEED_PLUS))
- return 0;
-
link_state = DWC3_DSTS_USBLNKST(reg);
switch (link_state) {
+ case DWC3_LINK_STATE_RESET:
case DWC3_LINK_STATE_RX_DET: /* in HS, means Early Suspend */
case DWC3_LINK_STATE_U3: /* in HS, means SUSPEND */
+ case DWC3_LINK_STATE_RESUME:
break;
default:
return -EINVAL;
@@ -2227,7 +2223,6 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
{
struct dwc3 *dwc = dep->dwc;
int mdwidth;
- int kbytes;
int size;
mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
@@ -2236,24 +2231,24 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
size = dwc3_readl(dwc->regs, DWC3_GTXFIFOSIZ(dep->number >> 1));
if (dwc3_is_usb31(dwc))
- size = DWC31_GTXFIFOSIZ_TXFDEF(size);
+ size = DWC31_GTXFIFOSIZ_TXFDEP(size);
else
- size = DWC3_GTXFIFOSIZ_TXFDEF(size);
+ size = DWC3_GTXFIFOSIZ_TXFDEP(size);
/* FIFO Depth is in MDWDITH bytes. Multiply */
size *= mdwidth;
- kbytes = size / 1024;
- if (kbytes == 0)
- kbytes = 1;
-
/*
- * FIFO sizes account an extra MDWIDTH * (kbytes + 1) bytes for
- * internal overhead. We don't really know how these are used,
- * but documentation say it exists.
+ * To meet performance requirement, a minimum TxFIFO size of 3x
+ * MaxPacketSize is recommended for endpoints that support burst and a
+ * minimum TxFIFO size of 2x MaxPacketSize for endpoints that don't
+ * support burst. Use those numbers and we can calculate the max packet
+ * limit as below.
*/
- size -= mdwidth * (kbytes + 1);
- size /= kbytes;
+ if (dwc->maximum_speed >= USB_SPEED_SUPER)
+ size /= 3;
+ else
+ size /= 2;
usb_ep_set_maxpacket_limit(&dep->endpoint, size);
@@ -2271,8 +2266,39 @@ static int dwc3_gadget_init_in_endpoint(struct dwc3_ep *dep)
static int dwc3_gadget_init_out_endpoint(struct dwc3_ep *dep)
{
struct dwc3 *dwc = dep->dwc;
+ int mdwidth;
+ int size;
+
+ mdwidth = DWC3_MDWIDTH(dwc->hwparams.hwparams0);
- usb_ep_set_maxpacket_limit(&dep->endpoint, 1024);
+ /* MDWIDTH is represented in bits, convert to bytes */
+ mdwidth /= 8;
+
+ /* All OUT endpoints share a single RxFIFO space */
+ size = dwc3_readl(dwc->regs, DWC3_GRXFIFOSIZ(0));
+ if (dwc3_is_usb31(dwc))
+ size = DWC31_GRXFIFOSIZ_RXFDEP(size);
+ else
+ size = DWC3_GRXFIFOSIZ_RXFDEP(size);
+
+ /* FIFO depth is in MDWDITH bytes */
+ size *= mdwidth;
+
+ /*
+ * To meet performance requirement, a minimum recommended RxFIFO size
+ * is defined as follow:
+ * RxFIFO size >= (3 x MaxPacketSize) +
+ * (3 x 8 bytes setup packets size) + (16 bytes clock crossing margin)
+ *
+ * Then calculate the max packet limit as below.
+ */
+ size -= (3 * 8) + 16;
+ if (size < 0)
+ size = 0;
+ else
+ size /= 3;
+
+ usb_ep_set_maxpacket_limit(&dep->endpoint, size);
dep->endpoint.max_streams = 15;
dep->endpoint.ops = &dwc3_gadget_ep_ops;
list_add_tail(&dep->endpoint.ep_list,
@@ -2457,9 +2483,6 @@ static int dwc3_gadget_ep_reclaim_trb_sg(struct dwc3_ep *dep,
for_each_sg(sg, s, pending, i) {
trb = &dep->trb_pool[dep->trb_dequeue];
- if (trb->ctrl & DWC3_TRB_CTRL_HWO)
- break;
-
req->sg = sg_next(s);
req->num_pending_sgs--;
@@ -2484,14 +2507,7 @@ static int dwc3_gadget_ep_reclaim_trb_linear(struct dwc3_ep *dep,
static bool dwc3_gadget_ep_request_completed(struct dwc3_request *req)
{
- /*
- * For OUT direction, host may send less than the setup
- * length. Return true for all OUT requests.
- */
- if (!req->direction)
- return true;
-
- return req->request.actual == req->request.length;
+ return req->num_pending_sgs == 0;
}
static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
@@ -2515,8 +2531,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
req->request.actual = req->request.length - req->remaining;
- if (!dwc3_gadget_ep_request_completed(req) ||
- req->num_pending_sgs) {
+ if (!dwc3_gadget_ep_request_completed(req)) {
__dwc3_gadget_kick_transfer(dep);
goto out;
}
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index 971c6b92484a..171280c80228 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -728,19 +728,19 @@ static void xdbc_handle_tx_event(struct xdbc_trb *evt_trb)
case COMP_USB_TRANSACTION_ERROR:
case COMP_STALL_ERROR:
default:
- if (ep_id == XDBC_EPID_OUT)
+ if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL)
xdbc.flags |= XDBC_FLAGS_OUT_STALL;
- if (ep_id == XDBC_EPID_IN)
+ if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL)
xdbc.flags |= XDBC_FLAGS_IN_STALL;
xdbc_trace("endpoint %d stalled\n", ep_id);
break;
}
- if (ep_id == XDBC_EPID_IN) {
+ if (ep_id == XDBC_EPID_IN || ep_id == XDBC_EPID_IN_INTEL) {
xdbc.flags &= ~XDBC_FLAGS_IN_PROCESS;
xdbc_bulk_transfer(NULL, XDBC_MAX_PACKET, true);
- } else if (ep_id == XDBC_EPID_OUT) {
+ } else if (ep_id == XDBC_EPID_OUT || ep_id == XDBC_EPID_OUT_INTEL) {
xdbc.flags &= ~XDBC_FLAGS_OUT_PROCESS;
} else {
xdbc_trace("invalid endpoint id %d\n", ep_id);
diff --git a/drivers/usb/early/xhci-dbc.h b/drivers/usb/early/xhci-dbc.h
index 673686eeddd7..6e2b7266a695 100644
--- a/drivers/usb/early/xhci-dbc.h
+++ b/drivers/usb/early/xhci-dbc.h
@@ -120,8 +120,22 @@ struct xdbc_ring {
u32 cycle_state;
};
-#define XDBC_EPID_OUT 2
-#define XDBC_EPID_IN 3
+/*
+ * These are the "Endpoint ID" (also known as "Context Index") values for the
+ * OUT Transfer Ring and the IN Transfer Ring of a Debug Capability Context data
+ * structure.
+ * According to the "eXtensible Host Controller Interface for Universal Serial
+ * Bus (xHCI)" specification, section "7.6.3.2 Endpoint Contexts and Transfer
+ * Rings", these should be 0 and 1, and those are the values AMD machines give
+ * you; but Intel machines seem to use the formula from section "4.5.1 Device
+ * Context Index", which is supposed to be used for the Device Context only.
+ * Luckily the values from Intel don't overlap with those from AMD, so we can
+ * just test for both.
+ */
+#define XDBC_EPID_OUT 0
+#define XDBC_EPID_IN 1
+#define XDBC_EPID_OUT_INTEL 2
+#define XDBC_EPID_IN_INTEL 3
struct xdbc_state {
u16 vendor;
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 32b637e3e1fa..6a9aa4413d64 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -260,6 +260,9 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item,
char *name;
int ret;
+ if (strlen(page) < len)
+ return -EOVERFLOW;
+
name = kstrdup(page, GFP_KERNEL);
if (!name)
return -ENOMEM;
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index c81023b195c3..10f01f974f67 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -1813,6 +1813,10 @@ static void ffs_data_reset(struct ffs_data *ffs)
ffs->state = FFS_READ_DESCRIPTORS;
ffs->setup_state = FFS_NO_SETUP;
ffs->flags = 0;
+
+ ffs->ms_os_descs_ext_prop_count = 0;
+ ffs->ms_os_descs_ext_prop_name_len = 0;
+ ffs->ms_os_descs_ext_prop_data_len = 0;
}
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index f3816a5c861e..df671acdd464 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -252,9 +252,6 @@ static ssize_t f_hidg_read(struct file *file, char __user *buffer,
if (!count)
return 0;
- if (!access_ok(buffer, count))
- return -EFAULT;
-
spin_lock_irqsave(&hidg->read_spinlock, flags);
#define READ_COND (!list_empty(&hidg->completed_out_req))
@@ -339,9 +336,6 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
unsigned long flags;
ssize_t status = -ENOMEM;
- if (!access_ok(buffer, count))
- return -EFAULT;
-
spin_lock_irqsave(&hidg->write_spinlock, flags);
#define WRITE_COND (!hidg->write_pending)
diff --git a/drivers/usb/gadget/legacy/audio.c b/drivers/usb/gadget/legacy/audio.c
index dd81fd538cb8..a748ed0842e8 100644
--- a/drivers/usb/gadget/legacy/audio.c
+++ b/drivers/usb/gadget/legacy/audio.c
@@ -300,8 +300,10 @@ static int audio_bind(struct usb_composite_dev *cdev)
struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(cdev->gadget);
- if (!usb_desc)
+ if (!usb_desc) {
+ status = -ENOMEM;
goto fail;
+ }
usb_otg_descriptor_init(cdev->gadget, usb_desc);
otg_desc[0] = usb_desc;
otg_desc[1] = NULL;
diff --git a/drivers/usb/gadget/legacy/cdc2.c b/drivers/usb/gadget/legacy/cdc2.c
index 8d7a556ece30..563363aba48f 100644
--- a/drivers/usb/gadget/legacy/cdc2.c
+++ b/drivers/usb/gadget/legacy/cdc2.c
@@ -179,8 +179,10 @@ static int cdc_bind(struct usb_composite_dev *cdev)
struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(gadget);
- if (!usb_desc)
+ if (!usb_desc) {
+ status = -ENOMEM;
goto fail1;
+ }
usb_otg_descriptor_init(gadget, usb_desc);
otg_desc[0] = usb_desc;
otg_desc[1] = NULL;
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index aa0de9e35afa..3afddd3bea6e 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -1361,7 +1361,6 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
req->buf = dev->rbuf;
req->context = NULL;
- value = -EOPNOTSUPP;
switch (ctrl->bRequest) {
case USB_REQ_GET_DESCRIPTOR:
@@ -1784,7 +1783,7 @@ static ssize_t
dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
{
struct dev_data *dev = fd->private_data;
- ssize_t value = len, length = len;
+ ssize_t value, length = len;
unsigned total;
u32 tag;
char *kbuf;
diff --git a/drivers/usb/gadget/legacy/ncm.c b/drivers/usb/gadget/legacy/ncm.c
index c61e71ba7045..0f1b45e3abd1 100644
--- a/drivers/usb/gadget/legacy/ncm.c
+++ b/drivers/usb/gadget/legacy/ncm.c
@@ -156,8 +156,10 @@ static int gncm_bind(struct usb_composite_dev *cdev)
struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(gadget);
- if (!usb_desc)
+ if (!usb_desc) {
+ status = -ENOMEM;
goto fail;
+ }
usb_otg_descriptor_init(gadget, usb_desc);
otg_desc[0] = usb_desc;
otg_desc[1] = NULL;
diff --git a/drivers/usb/gadget/legacy/raw_gadget.c b/drivers/usb/gadget/legacy/raw_gadget.c
index 76406343fbe5..e01e366d89cd 100644
--- a/drivers/usb/gadget/legacy/raw_gadget.c
+++ b/drivers/usb/gadget/legacy/raw_gadget.c
@@ -7,6 +7,7 @@
*/
#include <linux/compiler.h>
+#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/kref.h>
@@ -81,6 +82,7 @@ static int raw_event_queue_add(struct raw_event_queue *queue,
static struct usb_raw_event *raw_event_queue_fetch(
struct raw_event_queue *queue)
{
+ int ret;
unsigned long flags;
struct usb_raw_event *event;
@@ -89,11 +91,18 @@ static struct usb_raw_event *raw_event_queue_fetch(
* there's at least one event queued by decrementing the semaphore,
* and then take the lock to protect queue struct fields.
*/
- if (down_interruptible(&queue->sema))
- return NULL;
+ ret = down_interruptible(&queue->sema);
+ if (ret)
+ return ERR_PTR(ret);
spin_lock_irqsave(&queue->lock, flags);
- if (WARN_ON(!queue->size))
- return NULL;
+ /*
+ * queue->size must have the same value as queue->sema counter (before
+ * the down_interruptible() call above), so this check is a fail-safe.
+ */
+ if (WARN_ON(!queue->size)) {
+ spin_unlock_irqrestore(&queue->lock, flags);
+ return ERR_PTR(-ENODEV);
+ }
event = queue->events[0];
queue->size--;
memmove(&queue->events[0], &queue->events[1],
@@ -115,8 +124,6 @@ static void raw_event_queue_destroy(struct raw_event_queue *queue)
struct raw_dev;
-#define USB_RAW_MAX_ENDPOINTS 32
-
enum ep_state {
STATE_EP_DISABLED,
STATE_EP_ENABLED,
@@ -126,6 +133,7 @@ struct raw_ep {
struct raw_dev *dev;
enum ep_state state;
struct usb_ep *ep;
+ u8 addr;
struct usb_request *req;
bool urb_queued;
bool disabling;
@@ -160,7 +168,8 @@ struct raw_dev {
bool ep0_out_pending;
bool ep0_urb_queued;
ssize_t ep0_status;
- struct raw_ep eps[USB_RAW_MAX_ENDPOINTS];
+ struct raw_ep eps[USB_RAW_EPS_NUM_MAX];
+ int eps_num;
struct completion ep0_done;
struct raw_event_queue queue;
@@ -194,8 +203,8 @@ static void dev_free(struct kref *kref)
usb_ep_free_request(dev->gadget->ep0, dev->req);
}
raw_event_queue_destroy(&dev->queue);
- for (i = 0; i < USB_RAW_MAX_ENDPOINTS; i++) {
- if (dev->eps[i].state != STATE_EP_ENABLED)
+ for (i = 0; i < dev->eps_num; i++) {
+ if (dev->eps[i].state == STATE_EP_DISABLED)
continue;
usb_ep_disable(dev->eps[i].ep);
usb_ep_free_request(dev->eps[i].ep, dev->eps[i].req);
@@ -241,12 +250,26 @@ static void gadget_ep0_complete(struct usb_ep *ep, struct usb_request *req)
complete(&dev->ep0_done);
}
+static u8 get_ep_addr(const char *name)
+{
+ /* If the endpoint has fixed function (named as e.g. "ep12out-bulk"),
+ * parse the endpoint address from its name. We deliberately use
+ * deprecated simple_strtoul() function here, as the number isn't
+ * followed by '\0' nor '\n'.
+ */
+ if (isdigit(name[2]))
+ return simple_strtoul(&name[2], NULL, 10);
+ /* Otherwise the endpoint is configurable (named as e.g. "ep-a"). */
+ return USB_RAW_EP_ADDR_ANY;
+}
+
static int gadget_bind(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- int ret = 0;
+ int ret = 0, i = 0;
struct raw_dev *dev = container_of(driver, struct raw_dev, driver);
struct usb_request *req;
+ struct usb_ep *ep;
unsigned long flags;
if (strcmp(gadget->name, dev->udc_name) != 0)
@@ -265,6 +288,13 @@ static int gadget_bind(struct usb_gadget *gadget,
dev->req->context = dev;
dev->req->complete = gadget_ep0_complete;
dev->gadget = gadget;
+ gadget_for_each_ep(ep, dev->gadget) {
+ dev->eps[i].ep = ep;
+ dev->eps[i].addr = get_ep_addr(ep->name);
+ dev->eps[i].state = STATE_EP_DISABLED;
+ i++;
+ }
+ dev->eps_num = i;
spin_unlock_irqrestore(&dev->lock, flags);
/* Matches kref_put() in gadget_unbind(). */
@@ -392,9 +422,8 @@ static int raw_ioctl_init(struct raw_dev *dev, unsigned long value)
char *udc_device_name;
unsigned long flags;
- ret = copy_from_user(&arg, (void __user *)value, sizeof(arg));
- if (ret)
- return ret;
+ if (copy_from_user(&arg, (void __user *)value, sizeof(arg)))
+ return -EFAULT;
switch (arg.speed) {
case USB_SPEED_UNKNOWN:
@@ -501,15 +530,13 @@ out_unlock:
static int raw_ioctl_event_fetch(struct raw_dev *dev, unsigned long value)
{
- int ret = 0;
struct usb_raw_event arg;
unsigned long flags;
struct usb_raw_event *event;
uint32_t length;
- ret = copy_from_user(&arg, (void __user *)value, sizeof(arg));
- if (ret)
- return ret;
+ if (copy_from_user(&arg, (void __user *)value, sizeof(arg)))
+ return -EFAULT;
spin_lock_irqsave(&dev->lock, flags);
if (dev->state != STATE_DEV_RUNNING) {
@@ -525,26 +552,32 @@ static int raw_ioctl_event_fetch(struct raw_dev *dev, unsigned long value)
spin_unlock_irqrestore(&dev->lock, flags);
event = raw_event_queue_fetch(&dev->queue);
- if (!event) {
+ if (PTR_ERR(event) == -EINTR) {
dev_dbg(&dev->gadget->dev, "event fetching interrupted\n");
return -EINTR;
}
+ if (IS_ERR(event)) {
+ dev_err(&dev->gadget->dev, "failed to fetch event\n");
+ spin_lock_irqsave(&dev->lock, flags);
+ dev->state = STATE_DEV_FAILED;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return -ENODEV;
+ }
length = min(arg.length, event->length);
- ret = copy_to_user((void __user *)value, event,
- sizeof(*event) + length);
- return ret;
+ if (copy_to_user((void __user *)value, event, sizeof(*event) + length))
+ return -EFAULT;
+
+ return 0;
}
static void *raw_alloc_io_data(struct usb_raw_ep_io *io, void __user *ptr,
bool get_from_user)
{
- int ret;
void *data;
- ret = copy_from_user(io, ptr, sizeof(*io));
- if (ret)
- return ERR_PTR(ret);
- if (io->ep >= USB_RAW_MAX_ENDPOINTS)
+ if (copy_from_user(io, ptr, sizeof(*io)))
+ return ERR_PTR(-EFAULT);
+ if (io->ep >= USB_RAW_EPS_NUM_MAX)
return ERR_PTR(-EINVAL);
if (!usb_raw_io_flags_valid(io->flags))
return ERR_PTR(-EINVAL);
@@ -658,42 +691,61 @@ static int raw_ioctl_ep0_read(struct raw_dev *dev, unsigned long value)
if (IS_ERR(data))
return PTR_ERR(data);
ret = raw_process_ep0_io(dev, &io, data, false);
- if (ret < 0) {
- kfree(data);
- return ret;
- }
+ if (ret < 0)
+ goto free;
+
length = min(io.length, (unsigned int)ret);
- ret = copy_to_user((void __user *)(value + sizeof(io)), data, length);
+ if (copy_to_user((void __user *)(value + sizeof(io)), data, length))
+ ret = -EFAULT;
+ else
+ ret = length;
+free:
kfree(data);
return ret;
}
-static bool check_ep_caps(struct usb_ep *ep,
- struct usb_endpoint_descriptor *desc)
+static int raw_ioctl_ep0_stall(struct raw_dev *dev, unsigned long value)
{
- switch (usb_endpoint_type(desc)) {
- case USB_ENDPOINT_XFER_ISOC:
- if (!ep->caps.type_iso)
- return false;
- break;
- case USB_ENDPOINT_XFER_BULK:
- if (!ep->caps.type_bulk)
- return false;
- break;
- case USB_ENDPOINT_XFER_INT:
- if (!ep->caps.type_int)
- return false;
- break;
- default:
- return false;
+ int ret = 0;
+ unsigned long flags;
+
+ if (value)
+ return -EINVAL;
+ spin_lock_irqsave(&dev->lock, flags);
+ if (dev->state != STATE_DEV_RUNNING) {
+ dev_dbg(dev->dev, "fail, device is not running\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ if (!dev->gadget) {
+ dev_dbg(dev->dev, "fail, gadget is not bound\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ if (dev->ep0_urb_queued) {
+ dev_dbg(&dev->gadget->dev, "fail, urb already queued\n");
+ ret = -EBUSY;
+ goto out_unlock;
}
+ if (!dev->ep0_in_pending && !dev->ep0_out_pending) {
+ dev_dbg(&dev->gadget->dev, "fail, no request pending\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+
+ ret = usb_ep_set_halt(dev->gadget->ep0);
+ if (ret < 0)
+ dev_err(&dev->gadget->dev,
+ "fail, usb_ep_set_halt returned %d\n", ret);
- if (usb_endpoint_dir_in(desc) && !ep->caps.dir_in)
- return false;
- if (usb_endpoint_dir_out(desc) && !ep->caps.dir_out)
- return false;
+ if (dev->ep0_in_pending)
+ dev->ep0_in_pending = false;
+ else
+ dev->ep0_out_pending = false;
- return true;
+out_unlock:
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return ret;
}
static int raw_ioctl_ep_enable(struct raw_dev *dev, unsigned long value)
@@ -701,7 +753,7 @@ static int raw_ioctl_ep_enable(struct raw_dev *dev, unsigned long value)
int ret = 0, i;
unsigned long flags;
struct usb_endpoint_descriptor *desc;
- struct usb_ep *ep = NULL;
+ struct raw_ep *ep;
desc = memdup_user((void __user *)value, sizeof(*desc));
if (IS_ERR(desc))
@@ -729,41 +781,32 @@ static int raw_ioctl_ep_enable(struct raw_dev *dev, unsigned long value)
goto out_free;
}
- for (i = 0; i < USB_RAW_MAX_ENDPOINTS; i++) {
- if (dev->eps[i].state == STATE_EP_ENABLED)
+ for (i = 0; i < dev->eps_num; i++) {
+ ep = &dev->eps[i];
+ if (ep->state != STATE_EP_DISABLED)
continue;
- break;
- }
- if (i == USB_RAW_MAX_ENDPOINTS) {
- dev_dbg(&dev->gadget->dev,
- "fail, no device endpoints available\n");
- ret = -EBUSY;
- goto out_free;
- }
-
- gadget_for_each_ep(ep, dev->gadget) {
- if (ep->enabled)
+ if (ep->addr != usb_endpoint_num(desc) &&
+ ep->addr != USB_RAW_EP_ADDR_ANY)
continue;
- if (!check_ep_caps(ep, desc))
+ if (!usb_gadget_ep_match_desc(dev->gadget, ep->ep, desc, NULL))
continue;
- ep->desc = desc;
- ret = usb_ep_enable(ep);
+ ep->ep->desc = desc;
+ ret = usb_ep_enable(ep->ep);
if (ret < 0) {
dev_err(&dev->gadget->dev,
"fail, usb_ep_enable returned %d\n", ret);
goto out_free;
}
- dev->eps[i].req = usb_ep_alloc_request(ep, GFP_ATOMIC);
- if (!dev->eps[i].req) {
+ ep->req = usb_ep_alloc_request(ep->ep, GFP_ATOMIC);
+ if (!ep->req) {
dev_err(&dev->gadget->dev,
"fail, usb_ep_alloc_request failed\n");
- usb_ep_disable(ep);
+ usb_ep_disable(ep->ep);
ret = -ENOMEM;
goto out_free;
}
- dev->eps[i].ep = ep;
- dev->eps[i].state = STATE_EP_ENABLED;
- ep->driver_data = &dev->eps[i];
+ ep->state = STATE_EP_ENABLED;
+ ep->ep->driver_data = ep;
ret = i;
goto out_unlock;
}
@@ -782,10 +825,6 @@ static int raw_ioctl_ep_disable(struct raw_dev *dev, unsigned long value)
{
int ret = 0, i = value;
unsigned long flags;
- const void *desc;
-
- if (i < 0 || i >= USB_RAW_MAX_ENDPOINTS)
- return -EINVAL;
spin_lock_irqsave(&dev->lock, flags);
if (dev->state != STATE_DEV_RUNNING) {
@@ -798,7 +837,12 @@ static int raw_ioctl_ep_disable(struct raw_dev *dev, unsigned long value)
ret = -EBUSY;
goto out_unlock;
}
- if (dev->eps[i].state != STATE_EP_ENABLED) {
+ if (i < 0 || i >= dev->eps_num) {
+ dev_dbg(dev->dev, "fail, invalid endpoint\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ if (dev->eps[i].state == STATE_EP_DISABLED) {
dev_dbg(&dev->gadget->dev, "fail, endpoint is not enabled\n");
ret = -EINVAL;
goto out_unlock;
@@ -822,10 +866,8 @@ static int raw_ioctl_ep_disable(struct raw_dev *dev, unsigned long value)
spin_lock_irqsave(&dev->lock, flags);
usb_ep_free_request(dev->eps[i].ep, dev->eps[i].req);
- desc = dev->eps[i].ep->desc;
- dev->eps[i].ep = NULL;
+ kfree(dev->eps[i].ep->desc);
dev->eps[i].state = STATE_EP_DISABLED;
- kfree(desc);
dev->eps[i].disabling = false;
out_unlock:
@@ -833,6 +875,74 @@ out_unlock:
return ret;
}
+static int raw_ioctl_ep_set_clear_halt_wedge(struct raw_dev *dev,
+ unsigned long value, bool set, bool halt)
+{
+ int ret = 0, i = value;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->lock, flags);
+ if (dev->state != STATE_DEV_RUNNING) {
+ dev_dbg(dev->dev, "fail, device is not running\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ if (!dev->gadget) {
+ dev_dbg(dev->dev, "fail, gadget is not bound\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ if (i < 0 || i >= dev->eps_num) {
+ dev_dbg(dev->dev, "fail, invalid endpoint\n");
+ ret = -EBUSY;
+ goto out_unlock;
+ }
+ if (dev->eps[i].state == STATE_EP_DISABLED) {
+ dev_dbg(&dev->gadget->dev, "fail, endpoint is not enabled\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ if (dev->eps[i].disabling) {
+ dev_dbg(&dev->gadget->dev,
+ "fail, disable is in progress\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ if (dev->eps[i].urb_queued) {
+ dev_dbg(&dev->gadget->dev,
+ "fail, waiting for urb completion\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ if (usb_endpoint_xfer_isoc(dev->eps[i].ep->desc)) {
+ dev_dbg(&dev->gadget->dev,
+ "fail, can't halt/wedge ISO endpoint\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ if (set && halt) {
+ ret = usb_ep_set_halt(dev->eps[i].ep);
+ if (ret < 0)
+ dev_err(&dev->gadget->dev,
+ "fail, usb_ep_set_halt returned %d\n", ret);
+ } else if (!set && halt) {
+ ret = usb_ep_clear_halt(dev->eps[i].ep);
+ if (ret < 0)
+ dev_err(&dev->gadget->dev,
+ "fail, usb_ep_clear_halt returned %d\n", ret);
+ } else if (set && !halt) {
+ ret = usb_ep_set_wedge(dev->eps[i].ep);
+ if (ret < 0)
+ dev_err(&dev->gadget->dev,
+ "fail, usb_ep_set_wedge returned %d\n", ret);
+ }
+
+out_unlock:
+ spin_unlock_irqrestore(&dev->lock, flags);
+ return ret;
+}
+
static void gadget_ep_complete(struct usb_ep *ep, struct usb_request *req)
{
struct raw_ep *r_ep = (struct raw_ep *)ep->driver_data;
@@ -854,7 +964,7 @@ static int raw_process_ep_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
{
int ret = 0;
unsigned long flags;
- struct raw_ep *ep = &dev->eps[io->ep];
+ struct raw_ep *ep;
DECLARE_COMPLETION_ONSTACK(done);
spin_lock_irqsave(&dev->lock, flags);
@@ -868,6 +978,12 @@ static int raw_process_ep_io(struct raw_dev *dev, struct usb_raw_ep_io *io,
ret = -EBUSY;
goto out_unlock;
}
+ if (io->ep >= dev->eps_num) {
+ dev_dbg(&dev->gadget->dev, "fail, invalid endpoint\n");
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+ ep = &dev->eps[io->ep];
if (ep->state != STATE_EP_ENABLED) {
dev_dbg(&dev->gadget->dev, "fail, endpoint is not enabled\n");
ret = -EBUSY;
@@ -952,12 +1068,15 @@ static int raw_ioctl_ep_read(struct raw_dev *dev, unsigned long value)
if (IS_ERR(data))
return PTR_ERR(data);
ret = raw_process_ep_io(dev, &io, data, false);
- if (ret < 0) {
- kfree(data);
- return ret;
- }
+ if (ret < 0)
+ goto free;
+
length = min(io.length, (unsigned int)ret);
- ret = copy_to_user((void __user *)(value + sizeof(io)), data, length);
+ if (copy_to_user((void __user *)(value + sizeof(io)), data, length))
+ ret = -EFAULT;
+ else
+ ret = length;
+free:
kfree(data);
return ret;
}
@@ -1010,6 +1129,71 @@ out_unlock:
return ret;
}
+static void fill_ep_caps(struct usb_ep_caps *caps,
+ struct usb_raw_ep_caps *raw_caps)
+{
+ raw_caps->type_control = caps->type_control;
+ raw_caps->type_iso = caps->type_iso;
+ raw_caps->type_bulk = caps->type_bulk;
+ raw_caps->type_int = caps->type_int;
+ raw_caps->dir_in = caps->dir_in;
+ raw_caps->dir_out = caps->dir_out;
+}
+
+static void fill_ep_limits(struct usb_ep *ep, struct usb_raw_ep_limits *limits)
+{
+ limits->maxpacket_limit = ep->maxpacket_limit;
+ limits->max_streams = ep->max_streams;
+}
+
+static int raw_ioctl_eps_info(struct raw_dev *dev, unsigned long value)
+{
+ int ret = 0, i;
+ unsigned long flags;
+ struct usb_raw_eps_info *info;
+ struct raw_ep *ep;
+
+ info = kmalloc(sizeof(*info), GFP_KERNEL);
+ if (!info) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ spin_lock_irqsave(&dev->lock, flags);
+ if (dev->state != STATE_DEV_RUNNING) {
+ dev_dbg(dev->dev, "fail, device is not running\n");
+ ret = -EINVAL;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ goto out_free;
+ }
+ if (!dev->gadget) {
+ dev_dbg(dev->dev, "fail, gadget is not bound\n");
+ ret = -EBUSY;
+ spin_unlock_irqrestore(&dev->lock, flags);
+ goto out_free;
+ }
+
+ memset(info, 0, sizeof(*info));
+ for (i = 0; i < dev->eps_num; i++) {
+ ep = &dev->eps[i];
+ strscpy(&info->eps[i].name[0], ep->ep->name,
+ USB_RAW_EP_NAME_MAX);
+ info->eps[i].addr = ep->addr;
+ fill_ep_caps(&ep->ep->caps, &info->eps[i].caps);
+ fill_ep_limits(ep->ep, &info->eps[i].limits);
+ }
+ ret = dev->eps_num;
+ spin_unlock_irqrestore(&dev->lock, flags);
+
+ if (copy_to_user((void __user *)value, info, sizeof(*info)))
+ ret = -EFAULT;
+
+out_free:
+ kfree(info);
+out:
+ return ret;
+}
+
static long raw_ioctl(struct file *fd, unsigned int cmd, unsigned long value)
{
struct raw_dev *dev = fd->private_data;
@@ -1052,6 +1236,24 @@ static long raw_ioctl(struct file *fd, unsigned int cmd, unsigned long value)
case USB_RAW_IOCTL_VBUS_DRAW:
ret = raw_ioctl_vbus_draw(dev, value);
break;
+ case USB_RAW_IOCTL_EPS_INFO:
+ ret = raw_ioctl_eps_info(dev, value);
+ break;
+ case USB_RAW_IOCTL_EP0_STALL:
+ ret = raw_ioctl_ep0_stall(dev, value);
+ break;
+ case USB_RAW_IOCTL_EP_SET_HALT:
+ ret = raw_ioctl_ep_set_clear_halt_wedge(
+ dev, value, true, true);
+ break;
+ case USB_RAW_IOCTL_EP_CLEAR_HALT:
+ ret = raw_ioctl_ep_set_clear_halt_wedge(
+ dev, value, false, true);
+ break;
+ case USB_RAW_IOCTL_EP_SET_WEDGE:
+ ret = raw_ioctl_ep_set_clear_halt_wedge(
+ dev, value, true, false);
+ break;
default:
ret = -EINVAL;
}
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index 6e0432141c40..b771a854e29c 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -185,7 +185,7 @@ static int regs_dbg_release(struct inode *inode, struct file *file)
return 0;
}
-const struct file_operations queue_dbg_fops = {
+static const struct file_operations queue_dbg_fops = {
.owner = THIS_MODULE,
.open = queue_dbg_open,
.llseek = no_llseek,
@@ -193,7 +193,7 @@ const struct file_operations queue_dbg_fops = {
.release = queue_dbg_release,
};
-const struct file_operations regs_dbg_fops = {
+static const struct file_operations regs_dbg_fops = {
.owner = THIS_MODULE,
.open = regs_dbg_open,
.llseek = generic_file_llseek,
@@ -1951,10 +1951,10 @@ static irqreturn_t usba_vbus_irq_thread(int irq, void *devid)
usba_start(udc);
} else {
udc->suspended = false;
- usba_stop(udc);
-
if (udc->driver->disconnect)
udc->driver->disconnect(&udc->gadget);
+
+ usba_stop(udc);
}
udc->vbus_prev = vbus;
}
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index a4d9b5e1e50e..d49c6dc1082d 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -540,7 +540,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req,
{
struct bdc *bdc = ep->bdc;
- if (req == NULL || &req->queue == NULL || &req->usb_req == NULL)
+ if (req == NULL)
return;
dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status);
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index a8273b589456..5af0fe9c61d7 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2647,6 +2647,8 @@ net2272_plat_probe(struct platform_device *pdev)
err_req:
release_mem_region(base, len);
err:
+ kfree(dev);
+
return ret;
}
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index 52a6add961f4..dfabc54cdc27 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -3840,11 +3840,11 @@ static int __maybe_unused tegra_xudc_suspend(struct device *dev)
flush_work(&xudc->usb_role_sw_work);
- /* Forcibly disconnect before powergating. */
- tegra_xudc_device_mode_off(xudc);
-
- if (!pm_runtime_status_suspended(dev))
+ if (!pm_runtime_status_suspended(dev)) {
+ /* Forcibly disconnect before powergating. */
+ tegra_xudc_device_mode_off(xudc);
tegra_xudc_powergate(xudc);
+ }
pm_runtime_disable(dev);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 9eca1fe81061..f37316d2c8fa 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1571,6 +1571,8 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf)
}
if ((temp & PORT_RC))
reset_change = true;
+ if (temp & PORT_OC)
+ status = 1;
}
if (!status && !reset_change) {
xhci_dbg(xhci, "%s: stopping port polling.\n", __func__);
@@ -1636,6 +1638,13 @@ retry:
port_index);
goto retry;
}
+ /* bail out if port detected a over-current condition */
+ if (t1 & PORT_OC) {
+ bus_state->bus_suspended = 0;
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ xhci_dbg(xhci, "Bus suspend bailout, port over-current detected\n");
+ return -EBUSY;
+ }
/* suspend ports in U0, or bail out for new connect changes */
if ((t1 & PORT_PE) && (t1 & PORT_PLS_MASK) == XDEV_U0) {
if ((t1 & PORT_CSC) && wake_enabled) {
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 1d4f6f85f0fe..ea460b9682d5 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -362,6 +362,7 @@ static int xhci_plat_remove(struct platform_device *dev)
struct clk *reg_clk = xhci->reg_clk;
struct usb_hcd *shared_hcd = xhci->shared_hcd;
+ pm_runtime_get_sync(&dev->dev);
xhci->xhc_state |= XHCI_STATE_REMOVING;
usb_remove_hcd(shared_hcd);
@@ -375,8 +376,9 @@ static int xhci_plat_remove(struct platform_device *dev)
clk_disable_unprepare(reg_clk);
usb_put_hcd(hcd);
- pm_runtime_set_suspended(&dev->dev);
pm_runtime_disable(&dev->dev);
+ pm_runtime_put_noidle(&dev->dev);
+ pm_runtime_set_suspended(&dev->dev);
return 0;
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index a78787bb5133..2c255d0620b0 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -547,6 +547,23 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
stream_id);
return;
}
+ /*
+ * A cancelled TD can complete with a stall if HW cached the trb.
+ * In this case driver can't find cur_td, but if the ring is empty we
+ * can move the dequeue pointer to the current enqueue position.
+ */
+ if (!cur_td) {
+ if (list_empty(&ep_ring->td_list)) {
+ state->new_deq_seg = ep_ring->enq_seg;
+ state->new_deq_ptr = ep_ring->enqueue;
+ state->new_cycle_state = ep_ring->cycle_state;
+ goto done;
+ } else {
+ xhci_warn(xhci, "Can't find new dequeue state, missing cur_td\n");
+ return;
+ }
+ }
+
/* Dig out the cycle state saved by the xHC during the stop ep cmd */
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"Finding endpoint context");
@@ -592,6 +609,7 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
state->new_deq_seg = new_seg;
state->new_deq_ptr = new_deq;
+done:
/* Don't update the ring cycle state for the producer (us). */
xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb,
"Cycle state = 0x%x", state->new_cycle_state);
@@ -1856,8 +1874,8 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
if (reset_type == EP_HARD_RESET) {
ep->ep_state |= EP_HARD_CLEAR_TOGGLE;
- xhci_cleanup_stalled_ring(xhci, ep_index, stream_id, td);
- xhci_clear_hub_tt_buffer(xhci, td, ep);
+ xhci_cleanup_stalled_ring(xhci, slot_id, ep_index, stream_id,
+ td);
}
xhci_ring_cmd_db(xhci);
}
@@ -1978,11 +1996,18 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
if (trb_comp_code == COMP_STALL_ERROR ||
xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
trb_comp_code)) {
- /* Issue a reset endpoint command to clear the host side
- * halt, followed by a set dequeue command to move the
- * dequeue pointer past the TD.
- * The class driver clears the device side halt later.
+ /*
+ * xhci internal endpoint state will go to a "halt" state for
+ * any stall, including default control pipe protocol stall.
+ * To clear the host side halt we need to issue a reset endpoint
+ * command, followed by a set dequeue command to move past the
+ * TD.
+ * Class drivers clear the device side halt from a functional
+ * stall later. Hub TT buffer should only be cleared for FS/LS
+ * devices behind HS hubs for functional stalls.
*/
+ if ((ep_index != 0) || (trb_comp_code != COMP_STALL_ERROR))
+ xhci_clear_hub_tt_buffer(xhci, td, ep);
xhci_cleanup_halted_endpoint(xhci, slot_id, ep_index,
ep_ring->stream_id, td, EP_HARD_RESET);
} else {
@@ -2539,6 +2564,15 @@ static int handle_tx_event(struct xhci_hcd *xhci,
xhci_dbg(xhci, "td_list is empty while skip flag set. Clear skip flag for slot %u ep %u.\n",
slot_id, ep_index);
}
+ if (trb_comp_code == COMP_STALL_ERROR ||
+ xhci_requires_manual_halt_cleanup(xhci, ep_ctx,
+ trb_comp_code)) {
+ xhci_cleanup_halted_endpoint(xhci, slot_id,
+ ep_index,
+ ep_ring->stream_id,
+ NULL,
+ EP_HARD_RESET);
+ }
goto cleanup;
}
@@ -3399,8 +3433,8 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
/* New sg entry */
--num_sgs;
sent_len -= block_len;
- if (num_sgs != 0) {
- sg = sg_next(sg);
+ sg = sg_next(sg);
+ if (num_sgs != 0 && sg) {
block_len = sg_dma_len(sg);
addr = (u64) sg_dma_address(sg);
addr += sent_len;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index fe38275363e0..bee5deccc83d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3031,19 +3031,19 @@ static void xhci_setup_input_ctx_for_quirk(struct xhci_hcd *xhci,
added_ctxs, added_ctxs);
}
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
- unsigned int stream_id, struct xhci_td *td)
+void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
+ unsigned int ep_index, unsigned int stream_id,
+ struct xhci_td *td)
{
struct xhci_dequeue_state deq_state;
- struct usb_device *udev = td->urb->dev;
xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
"Cleaning up stalled endpoint ring");
/* We need to move the HW's dequeue pointer past this TD,
* or it will attempt to resend it on the next doorbell ring.
*/
- xhci_find_new_dequeue_state(xhci, udev->slot_id,
- ep_index, stream_id, td, &deq_state);
+ xhci_find_new_dequeue_state(xhci, slot_id, ep_index, stream_id, td,
+ &deq_state);
if (!deq_state.new_deq_ptr || !deq_state.new_deq_seg)
return;
@@ -3054,7 +3054,7 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
if (!(xhci->quirks & XHCI_RESET_EP_QUIRK)) {
xhci_dbg_trace(xhci, trace_xhci_dbg_reset_ep,
"Queueing new dequeue state");
- xhci_queue_new_dequeue_state(xhci, udev->slot_id,
+ xhci_queue_new_dequeue_state(xhci, slot_id,
ep_index, &deq_state);
} else {
/* Better hope no one uses the input context between now and the
@@ -3065,7 +3065,7 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
"Setting up input context for "
"configure endpoint command");
- xhci_setup_input_ctx_for_quirk(xhci, udev->slot_id,
+ xhci_setup_input_ctx_for_quirk(xhci, slot_id,
ep_index, &deq_state);
}
}
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 3289bb516201..86cfefdd6632 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2116,8 +2116,9 @@ void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
void xhci_queue_new_dequeue_state(struct xhci_hcd *xhci,
unsigned int slot_id, unsigned int ep_index,
struct xhci_dequeue_state *deq_state);
-void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int ep_index,
- unsigned int stream_id, struct xhci_td *td);
+void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci, unsigned int slot_id,
+ unsigned int ep_index, unsigned int stream_id,
+ struct xhci_td *td);
void xhci_stop_endpoint_command_watchdog(struct timer_list *t);
void xhci_handle_command_timeout(struct work_struct *work);
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 2ab9600d0898..fc8a5da4a07c 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -1199,18 +1199,18 @@ static int sisusb_read_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
/* High level: Gfx (indexed) register access */
#ifdef CONFIG_USB_SISUSBVGA_CON
-int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data)
+int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data)
{
return sisusb_write_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
}
-int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 *data)
+int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 *data)
{
return sisusb_read_memio_byte(sisusb, SISUSB_TYPE_IO, port, data);
}
#endif
-int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 data)
{
int ret;
@@ -1220,7 +1220,7 @@ int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
return ret;
}
-int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
+int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 *data)
{
int ret;
@@ -1230,7 +1230,7 @@ int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
return ret;
}
-int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
+int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port, u8 idx,
u8 myand, u8 myor)
{
int ret;
@@ -1245,7 +1245,7 @@ int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port, u8 idx,
}
static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
- int port, u8 idx, u8 data, u8 mask)
+ u32 port, u8 idx, u8 data, u8 mask)
{
int ret;
u8 tmp;
@@ -1258,13 +1258,13 @@ static int sisusb_setidxregmask(struct sisusb_usb_data *sisusb,
return ret;
}
-int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 myor)
{
return sisusb_setidxregandor(sisusb, port, index, 0xff, myor);
}
-int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
+int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand)
{
return sisusb_setidxregandor(sisusb, port, idx, myand, 0x00);
@@ -2785,8 +2785,8 @@ static loff_t sisusb_lseek(struct file *file, loff_t offset, int orig)
static int sisusb_handle_command(struct sisusb_usb_data *sisusb,
struct sisusb_command *y, unsigned long arg)
{
- int retval, port, length;
- u32 address;
+ int retval, length;
+ u32 port, address;
/* All our commands require the device
* to be initialized.
diff --git a/drivers/usb/misc/sisusbvga/sisusb_init.h b/drivers/usb/misc/sisusbvga/sisusb_init.h
index 1782c759c4ad..ace09985dae4 100644
--- a/drivers/usb/misc/sisusbvga/sisusb_init.h
+++ b/drivers/usb/misc/sisusbvga/sisusb_init.h
@@ -812,17 +812,17 @@ static const struct SiS_VCLKData SiSUSB_VCLKData[] = {
int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo);
int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo);
-extern int sisusb_setreg(struct sisusb_usb_data *sisusb, int port, u8 data);
-extern int sisusb_getreg(struct sisusb_usb_data *sisusb, int port, u8 * data);
-extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setreg(struct sisusb_usb_data *sisusb, u32 port, u8 data);
+extern int sisusb_getreg(struct sisusb_usb_data *sisusb, u32 port, u8 * data);
+extern int sisusb_setidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 data);
-extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_getidxreg(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 * data);
-extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregandor(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand, u8 myor);
-extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregor(struct sisusb_usb_data *sisusb, u32 port,
u8 index, u8 myor);
-extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, int port,
+extern int sisusb_setidxregand(struct sisusb_usb_data *sisusb, u32 port,
u8 idx, u8 myand);
void sisusb_delete(struct kref *kref);
diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c
index c96e5dab0a48..fdeade6254ae 100644
--- a/drivers/usb/mtu3/mtu3_debugfs.c
+++ b/drivers/usb/mtu3/mtu3_debugfs.c
@@ -276,7 +276,7 @@ static const struct file_operations mtu3_ep_fops = {
.release = single_release,
};
-static struct debugfs_reg32 mtu3_prb_regs[] = {
+static const struct debugfs_reg32 mtu3_prb_regs[] = {
dump_prb_reg("enable", U3D_SSUSB_PRB_CTRL0),
dump_prb_reg("byte-sell", U3D_SSUSB_PRB_CTRL1),
dump_prb_reg("byte-selh", U3D_SSUSB_PRB_CTRL2),
@@ -349,7 +349,7 @@ static const struct file_operations mtu3_probe_fops = {
static void mtu3_debugfs_create_prb_files(struct mtu3 *mtu)
{
struct ssusb_mtk *ssusb = mtu->ssusb;
- struct debugfs_reg32 *regs;
+ const struct debugfs_reg32 *regs;
struct dentry *dir_prb;
int i;
diff --git a/drivers/usb/phy/phy-twl6030-usb.c b/drivers/usb/phy/phy-twl6030-usb.c
index bfebf1f2e991..9a7e655d5280 100644
--- a/drivers/usb/phy/phy-twl6030-usb.c
+++ b/drivers/usb/phy/phy-twl6030-usb.c
@@ -377,7 +377,7 @@ static int twl6030_usb_probe(struct platform_device *pdev)
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq1, status);
- return status;
+ goto err_put_regulator;
}
status = request_threaded_irq(twl->irq2, NULL, twl6030_usb_irq,
@@ -386,8 +386,7 @@ static int twl6030_usb_probe(struct platform_device *pdev)
if (status < 0) {
dev_err(&pdev->dev, "can't get IRQ %d, err %d\n",
twl->irq2, status);
- free_irq(twl->irq1, twl);
- return status;
+ goto err_free_irq1;
}
twl->asleep = 0;
@@ -396,6 +395,13 @@ static int twl6030_usb_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Initialized TWL6030 USB module\n");
return 0;
+
+err_free_irq1:
+ free_irq(twl->irq1, twl);
+err_put_regulator:
+ regulator_put(twl->usb3v3);
+
+ return status;
}
static int twl6030_usb_remove(struct platform_device *pdev)
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index ffd984142171..d63072fee099 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -1138,8 +1138,8 @@ static void garmin_read_process(struct garmin_data *garmin_data_p,
send it directly to the tty port */
if (garmin_data_p->flags & FLAGS_QUEUING) {
pkt_add(garmin_data_p, data, data_length);
- } else if (bulk_data ||
- getLayerId(data) == GARMIN_LAYERID_APPL) {
+ } else if (bulk_data || (data_length >= sizeof(u32) &&
+ getLayerId(data) == GARMIN_LAYERID_APPL)) {
spin_lock_irqsave(&garmin_data_p->lock, flags);
garmin_data_p->flags |= APP_RESP_SEEN;
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 613f91add03d..ce0401d3137f 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -173,6 +173,7 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */
{DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */
+ {DEVICE_SWI(0x413c, 0x81cc)}, /* Dell Wireless 5816e */
{DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 3670fda02c34..d592071119ba 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -81,6 +81,19 @@ static void uas_free_streams(struct uas_dev_info *devinfo);
static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
int status);
+/*
+ * This driver needs its own workqueue, as we need to control memory allocation.
+ *
+ * In the course of error handling and power management uas_wait_for_pending_cmnds()
+ * needs to flush pending work items. In these contexts we cannot allocate memory
+ * by doing block IO as we would deadlock. For the same reason we cannot wait
+ * for anything allocating memory not heeding these constraints.
+ *
+ * So we have to control all work items that can be on the workqueue we flush.
+ * Hence we cannot share a queue and need our own.
+ */
+static struct workqueue_struct *workqueue;
+
static void uas_do_work(struct work_struct *work)
{
struct uas_dev_info *devinfo =
@@ -109,7 +122,7 @@ static void uas_do_work(struct work_struct *work)
if (!err)
cmdinfo->state &= ~IS_IN_WORK_LIST;
else
- schedule_work(&devinfo->work);
+ queue_work(workqueue, &devinfo->work);
}
out:
spin_unlock_irqrestore(&devinfo->lock, flags);
@@ -134,7 +147,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo)
lockdep_assert_held(&devinfo->lock);
cmdinfo->state |= IS_IN_WORK_LIST;
- schedule_work(&devinfo->work);
+ queue_work(workqueue, &devinfo->work);
}
static void uas_zap_pending(struct uas_dev_info *devinfo, int result)
@@ -190,6 +203,9 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *prefix,
struct uas_cmd_info *ci = (void *)&cmnd->SCp;
struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
+ if (status == -ENODEV) /* too late */
+ return;
+
scmd_printk(KERN_INFO, cmnd,
"%s %d uas-tag %d inflight:%s%s%s%s%s%s%s%s%s%s%s%s ",
prefix, status, cmdinfo->uas_tag,
@@ -1226,7 +1242,31 @@ static struct usb_driver uas_driver = {
.id_table = uas_usb_ids,
};
-module_usb_driver(uas_driver);
+static int __init uas_init(void)
+{
+ int rv;
+
+ workqueue = alloc_workqueue("uas", WQ_MEM_RECLAIM, 0);
+ if (!workqueue)
+ return -ENOMEM;
+
+ rv = usb_register(&uas_driver);
+ if (rv) {
+ destroy_workqueue(workqueue);
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static void __exit uas_exit(void)
+{
+ usb_deregister(&uas_driver);
+ destroy_workqueue(workqueue);
+}
+
+module_init(uas_init);
+module_exit(uas_exit);
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS(USB_STORAGE);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 1880f3e13f57..f6c3681fa2e9 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2323,6 +2323,13 @@ UNUSUAL_DEV( 0x3340, 0xffff, 0x0000, 0x0000,
USB_SC_DEVICE,USB_PR_DEVICE,NULL,
US_FL_MAX_SECTORS_64 ),
+/* Reported by Cyril Roelandt <tipecaml@gmail.com> */
+UNUSUAL_DEV( 0x357d, 0x7788, 0x0114, 0x0114,
+ "JMicron",
+ "USB to ATA/ATAPI Bridge",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_BROKEN_FUA ),
+
/* Reported by Andrey Rahmatullin <wrar@altlinux.org> */
UNUSUAL_DEV( 0x4102, 0x1020, 0x0100, 0x0100,
"iRiver",
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 1b23741036ee..37157ed9a881 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -28,6 +28,13 @@
* and don't forget to CC: the USB development list <linux-usb@vger.kernel.org>
*/
+/* Reported-by: Julian Groß <julian.g@posteo.de> */
+UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999,
+ "LaCie",
+ "2Big Quadra USB3",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_NO_REPORT_OPCODES),
+
/*
* Apricorn USB3 dongle sometimes returns "USBSUSBSUSBS" in response to SCSI
* commands in UAS mode. Observed with the 1.28 firmware; are there others?
diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
index c823122f9cb7..e8ddb81cb6df 100644
--- a/drivers/usb/typec/bus.c
+++ b/drivers/usb/typec/bus.c
@@ -198,7 +198,10 @@ EXPORT_SYMBOL_GPL(typec_altmode_vdm);
const struct typec_altmode *
typec_altmode_get_partner(struct typec_altmode *adev)
{
- return adev ? &to_altmode(adev)->partner->adev : NULL;
+ if (!adev || !to_altmode(adev)->partner)
+ return NULL;
+
+ return &to_altmode(adev)->partner->adev;
}
EXPORT_SYMBOL_GPL(typec_altmode_get_partner);
diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig
index 77eb97b2aa86..a4dbd11f8ee2 100644
--- a/drivers/usb/typec/mux/Kconfig
+++ b/drivers/usb/typec/mux/Kconfig
@@ -11,7 +11,7 @@ config TYPEC_MUX_PI3USB30532
config TYPEC_MUX_INTEL_PMC
tristate "Intel PMC mux control"
- depends on INTEL_PMC_IPC
+ depends on INTEL_SCU_IPC
select USB_ROLE_SWITCH
help
Driver for USB muxes controlled by Intel PMC FW. Intel PMC FW can
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c
index f5c5e0aef66f..1ac0a3eb7dd8 100644
--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -15,7 +15,7 @@
#include <linux/usb/typec_dp.h>
#include <linux/usb/typec_tbt.h>
-#include <asm/intel_pmc_ipc.h>
+#include <asm/intel_scu_ipc.h>
#define PMC_USBC_CMD 0xa7
@@ -63,6 +63,7 @@ enum {
#define PMC_USB_ALTMODE_DP_MODE_SHIFT 8
/* TBT specific Mode Data bits */
+#define PMC_USB_ALTMODE_HPD_HIGH BIT(14)
#define PMC_USB_ALTMODE_TBT_TYPE BIT(17)
#define PMC_USB_ALTMODE_CABLE_TYPE BIT(18)
#define PMC_USB_ALTMODE_ACTIVE_LINK BIT(20)
@@ -74,8 +75,8 @@ enum {
#define PMC_USB_ALTMODE_TBT_GEN(_g_) (((_g_) & GENMASK(1, 0)) << 28)
/* Display HPD Request bits */
+#define PMC_USB_DP_HPD_LVL BIT(4)
#define PMC_USB_DP_HPD_IRQ BIT(5)
-#define PMC_USB_DP_HPD_LVL BIT(6)
struct pmc_usb;
@@ -96,6 +97,7 @@ struct pmc_usb_port {
struct pmc_usb {
u8 num_ports;
struct device *dev;
+ struct intel_scu_ipc_dev *ipc;
struct pmc_usb_port *port;
};
@@ -107,9 +109,8 @@ static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
* Error bit will always be 0 with the USBC command.
* Status can be checked from the response message.
*/
- intel_pmc_ipc_command(PMC_USBC_CMD, 0, msg, len,
- (void *)response, 1);
-
+ intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, len,
+ response, sizeof(response));
if (response[2]) {
if (response[2] & BIT(1))
return -EIO;
@@ -157,6 +158,9 @@ pmc_usb_mux_dp(struct pmc_usb_port *port, struct typec_mux_state *state)
req.mode_data |= (state->mode - TYPEC_STATE_MODAL) <<
PMC_USB_ALTMODE_DP_MODE_SHIFT;
+ if (data->status & DP_STATUS_HPD_STATE)
+ req.mode_data |= PMC_USB_ALTMODE_HPD_HIGH;
+
return pmc_usb_command(port, (void *)&req, sizeof(req));
}
@@ -298,11 +302,11 @@ static int pmc_usb_register_port(struct pmc_usb *pmc, int index,
struct typec_mux_desc mux_desc = { };
int ret;
- ret = fwnode_property_read_u8(fwnode, "usb2-port", &port->usb2_port);
+ ret = fwnode_property_read_u8(fwnode, "usb2-port-number", &port->usb2_port);
if (ret)
return ret;
- ret = fwnode_property_read_u8(fwnode, "usb3-port", &port->usb3_port);
+ ret = fwnode_property_read_u8(fwnode, "usb3-port-number", &port->usb3_port);
if (ret)
return ret;
@@ -370,6 +374,10 @@ static int pmc_usb_probe(struct platform_device *pdev)
if (!pmc->port)
return -ENOMEM;
+ pmc->ipc = devm_intel_scu_ipc_dev_get(&pdev->dev);
+ if (!pmc->ipc)
+ return -ENODEV;
+
pmc->dev = &pdev->dev;
/*
diff --git a/drivers/usb/typec/mux/pi3usb30532.c b/drivers/usb/typec/mux/pi3usb30532.c
index 46457c133d2b..7afe275b17d0 100644
--- a/drivers/usb/typec/mux/pi3usb30532.c
+++ b/drivers/usb/typec/mux/pi3usb30532.c
@@ -114,8 +114,8 @@ pi3usb30532_mux_set(struct typec_mux *mux, struct typec_mux_state *state)
static int pi3usb30532_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
- struct typec_switch_desc sw_desc;
- struct typec_mux_desc mux_desc;
+ struct typec_switch_desc sw_desc = { };
+ struct typec_mux_desc mux_desc = { };
struct pi3usb30532 *pi;
int ret;
diff --git a/drivers/usb/typec/tcpm/Kconfig b/drivers/usb/typec/tcpm/Kconfig
index 5b986d6c801d..fa3f39336246 100644
--- a/drivers/usb/typec/tcpm/Kconfig
+++ b/drivers/usb/typec/tcpm/Kconfig
@@ -41,8 +41,8 @@ config TYPEC_FUSB302
config TYPEC_WCOVE
tristate "Intel WhiskeyCove PMIC USB Type-C PHY driver"
depends on ACPI
+ depends on MFD_INTEL_PMC_BXT
depends on INTEL_SOC_PMIC
- depends on INTEL_PMC_IPC
depends on BXT_WC_PMIC_OPREGION
help
This driver adds support for USB Type-C on Intel Broxton platforms
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index de3576e6530a..82b19ebd7838 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -3794,6 +3794,14 @@ static void _tcpm_cc_change(struct tcpm_port *port, enum typec_cc_status cc1,
*/
break;
+ case PORT_RESET:
+ case PORT_RESET_WAIT_OFF:
+ /*
+ * State set back to default mode once the timer completes.
+ * Ignore CC changes here.
+ */
+ break;
+
default:
if (tcpm_port_is_disconnected(port))
tcpm_set_state(port, unattached_state(port), 0);
@@ -3855,6 +3863,15 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port)
case SRC_TRY_DEBOUNCE:
/* Do nothing, waiting for sink detection */
break;
+
+ case PORT_RESET:
+ case PORT_RESET_WAIT_OFF:
+ /*
+ * State set back to default mode once the timer completes.
+ * Ignore vbus changes here.
+ */
+ break;
+
default:
break;
}
@@ -3908,10 +3925,19 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
case PORT_RESET_WAIT_OFF:
tcpm_set_state(port, tcpm_default_state(port), 0);
break;
+
case SRC_TRY_WAIT:
case SRC_TRY_DEBOUNCE:
/* Do nothing, waiting for sink detection */
break;
+
+ case PORT_RESET:
+ /*
+ * State set back to default mode once the timer completes.
+ * Ignore vbus changes here.
+ */
+ break;
+
default:
if (port->pwr_role == TYPEC_SINK &&
port->attached)
diff --git a/drivers/vdpa/Kconfig b/drivers/vdpa/Kconfig
index 7db1460104b7..e8140065c8a5 100644
--- a/drivers/vdpa/Kconfig
+++ b/drivers/vdpa/Kconfig
@@ -1,21 +1,16 @@
# SPDX-License-Identifier: GPL-2.0-only
-config VDPA
- tristate
+menuconfig VDPA
+ tristate "vDPA drivers"
help
Enable this module to support vDPA device that uses a
datapath which complies with virtio specifications with
vendor specific control path.
-menuconfig VDPA_MENU
- bool "VDPA drivers"
- default n
-
-if VDPA_MENU
+if VDPA
config VDPA_SIM
tristate "vDPA device simulator"
- depends on RUNTIME_TESTING_MENU
- select VDPA
+ depends on RUNTIME_TESTING_MENU && HAS_DMA && VHOST_DPN
select VHOST_RING
default n
help
@@ -24,9 +19,8 @@ config VDPA_SIM
development of vDPA.
config IFCVF
- tristate "Intel IFC VF VDPA driver"
+ tristate "Intel IFC VF vDPA driver"
depends on PCI_MSI
- select VDPA
default n
help
This kernel module can drive Intel IFC VF NIC to offload
@@ -34,4 +28,4 @@ config IFCVF
To compile this driver as a module, choose M here: the module will
be called ifcvf.
-endif # VDPA_MENU
+endif # VDPA
diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c
index b61b06ea26d3..e24371d644b5 100644
--- a/drivers/vdpa/ifcvf/ifcvf_base.c
+++ b/drivers/vdpa/ifcvf/ifcvf_base.c
@@ -301,12 +301,10 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u64 num)
static int ifcvf_hw_enable(struct ifcvf_hw *hw)
{
- struct ifcvf_lm_cfg __iomem *ifcvf_lm;
struct virtio_pci_common_cfg __iomem *cfg;
struct ifcvf_adapter *ifcvf;
u32 i;
- ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg;
ifcvf = vf_to_adapter(hw);
cfg = hw->common_cfg;
ifc_iowrite16(IFCVF_MSI_CONFIG_OFF, &cfg->msix_config);
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index 8d54dc5b08d2..abf6a061cab6 100644
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -31,11 +31,9 @@ static irqreturn_t ifcvf_intr_handler(int irq, void *arg)
static int ifcvf_start_datapath(void *private)
{
struct ifcvf_hw *vf = ifcvf_private_to_vf(private);
- struct ifcvf_adapter *ifcvf;
u8 status;
int ret;
- ifcvf = vf_to_adapter(vf);
vf->nr_vring = IFCVF_MAX_QUEUE_PAIRS * 2;
ret = ifcvf_start_hw(vf);
if (ret < 0) {
@@ -228,7 +226,7 @@ static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
return IFCVF_SUBSYS_VENDOR_ID;
}
-static u16 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)
+static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)
{
return IFCVF_QUEUE_ALIGNMENT;
}
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index e9ed6a2b635b..ff6562f602e0 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -116,7 +116,7 @@ EXPORT_SYMBOL_GPL(__vdpa_alloc_device);
/**
* vdpa_register_device - register a vDPA device
- * Callers must have a succeed call of vdpa_init_device() before.
+ * Callers must have a succeed call of vdpa_alloc_device() before.
* @vdev: the vdpa device to be registered to vDPA bus
*
* Returns an error when fail to add to vDPA bus
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 6e8a0cf2fdeb..01c456f7c1f7 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -89,15 +89,14 @@ static struct vdpasim *dev_to_sim(struct device *dev)
static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
{
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
- int ret;
- ret = vringh_init_iotlb(&vq->vring, vdpasim_features,
- VDPASIM_QUEUE_MAX, false,
- (struct vring_desc *)(uintptr_t)vq->desc_addr,
- (struct vring_avail *)
- (uintptr_t)vq->driver_addr,
- (struct vring_used *)
- (uintptr_t)vq->device_addr);
+ vringh_init_iotlb(&vq->vring, vdpasim_features,
+ VDPASIM_QUEUE_MAX, false,
+ (struct vring_desc *)(uintptr_t)vq->desc_addr,
+ (struct vring_avail *)
+ (uintptr_t)vq->driver_addr,
+ (struct vring_used *)
+ (uintptr_t)vq->device_addr);
}
static void vdpasim_vq_reset(struct vdpasim_virtqueue *vq)
@@ -435,7 +434,7 @@ static u64 vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx)
return vrh->last_avail_idx;
}
-static u16 vdpasim_get_vq_align(struct vdpa_device *vdpa)
+static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
{
return VDPASIM_QUEUE_ALIGN;
}
@@ -488,7 +487,7 @@ static u8 vdpasim_get_status(struct vdpa_device *vdpa)
status = vdpasim->status;
spin_unlock(&vdpasim->lock);
- return vdpasim->status;
+ return status;
}
static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status)
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 85b32c325282..cc1d64765ce7 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -342,8 +342,8 @@ static int vaddr_get_pfn(struct mm_struct *mm, unsigned long vaddr,
vma = find_vma_intersection(mm, vaddr, vaddr + 1);
if (vma && vma->vm_flags & VM_PFNMAP) {
- *pfn = ((vaddr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
- if (is_invalid_reserved_pfn(*pfn))
+ if (!follow_pfn(vma, vaddr, pfn) &&
+ is_invalid_reserved_pfn(*pfn))
ret = 0;
}
done:
@@ -555,7 +555,7 @@ static int vfio_iommu_type1_pin_pages(void *iommu_data,
continue;
}
- remote_vaddr = dma->vaddr + iova - dma->iova;
+ remote_vaddr = dma->vaddr + (iova - dma->iova);
ret = vfio_pin_page_external(dma, remote_vaddr, &phys_pfn[i],
do_accounting);
if (ret)
@@ -2345,10 +2345,10 @@ static int vfio_iommu_type1_dma_rw_chunk(struct vfio_iommu *iommu,
vaddr = dma->vaddr + offset;
if (write)
- *copied = __copy_to_user((void __user *)vaddr, data,
+ *copied = copy_to_user((void __user *)vaddr, data,
count) ? 0 : count;
else
- *copied = __copy_from_user(data, (void __user *)vaddr,
+ *copied = copy_from_user(data, (void __user *)vaddr,
count) ? 0 : count;
if (kthread)
unuse_mm(mm);
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index 362b832f5338..c4f273793595 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -3,6 +3,8 @@ config VHOST_IOTLB
tristate
help
Generic IOTLB implementation for vhost and vringh.
+ This option is selected by any driver which needs to support
+ an IOMMU in software.
config VHOST_RING
tristate
@@ -11,6 +13,15 @@ config VHOST_RING
This option is selected by any driver which needs to access
the host side of a virtio ring.
+config VHOST_DPN
+ bool
+ depends on !ARM || AEABI
+ default y
+ help
+ Anything selecting VHOST or VHOST_RING must depend on VHOST_DPN.
+ This excludes the deprecated ARM ABI since that forces a 4 byte
+ alignment on all structs - incompatible with virtio spec requirements.
+
config VHOST
tristate
select VHOST_IOTLB
@@ -26,7 +37,7 @@ if VHOST_MENU
config VHOST_NET
tristate "Host kernel accelerator for virtio net"
- depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP)
+ depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) && VHOST_DPN
select VHOST
---help---
This kernel module can be loaded in host kernel to accelerate
@@ -38,7 +49,7 @@ config VHOST_NET
config VHOST_SCSI
tristate "VHOST_SCSI TCM fabric driver"
- depends on TARGET_CORE && EVENTFD
+ depends on TARGET_CORE && EVENTFD && VHOST_DPN
select VHOST
default n
---help---
@@ -47,7 +58,7 @@ config VHOST_SCSI
config VHOST_VSOCK
tristate "vhost virtio-vsock driver"
- depends on VSOCKETS && EVENTFD
+ depends on VSOCKETS && EVENTFD && VHOST_DPN
select VHOST
select VIRTIO_VSOCKETS_COMMON
default n
@@ -61,9 +72,9 @@ config VHOST_VSOCK
config VHOST_VDPA
tristate "Vhost driver for vDPA-based backend"
- depends on EVENTFD
+ depends on EVENTFD && VHOST_DPN
select VHOST
- select VDPA
+ depends on VDPA
help
This kernel module can be loaded in host kernel to accelerate
guest virtio devices with the vDPA-based backends.
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 87469d67ede8..516519dcc8ff 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -424,7 +424,7 @@ static void vhost_net_disable_vq(struct vhost_net *n,
struct vhost_net_virtqueue *nvq =
container_of(vq, struct vhost_net_virtqueue, vq);
struct vhost_poll *poll = n->poll + (nvq - n->vqs);
- if (!vq->private_data)
+ if (!vhost_vq_get_backend(vq))
return;
vhost_poll_stop(poll);
}
@@ -437,7 +437,7 @@ static int vhost_net_enable_vq(struct vhost_net *n,
struct vhost_poll *poll = n->poll + (nvq - n->vqs);
struct socket *sock;
- sock = vq->private_data;
+ sock = vhost_vq_get_backend(vq);
if (!sock)
return 0;
@@ -524,7 +524,7 @@ static void vhost_net_busy_poll(struct vhost_net *net,
return;
vhost_disable_notify(&net->dev, vq);
- sock = rvq->private_data;
+ sock = vhost_vq_get_backend(rvq);
busyloop_timeout = poll_rx ? rvq->busyloop_timeout:
tvq->busyloop_timeout;
@@ -570,8 +570,10 @@ static int vhost_net_tx_get_vq_desc(struct vhost_net *net,
if (r == tvq->num && tvq->busyloop_timeout) {
/* Flush batched packets first */
- if (!vhost_sock_zcopy(tvq->private_data))
- vhost_tx_batch(net, tnvq, tvq->private_data, msghdr);
+ if (!vhost_sock_zcopy(vhost_vq_get_backend(tvq)))
+ vhost_tx_batch(net, tnvq,
+ vhost_vq_get_backend(tvq),
+ msghdr);
vhost_net_busy_poll(net, rvq, tvq, busyloop_intr, false);
@@ -685,7 +687,7 @@ static int vhost_net_build_xdp(struct vhost_net_virtqueue *nvq,
struct vhost_virtqueue *vq = &nvq->vq;
struct vhost_net *net = container_of(vq->dev, struct vhost_net,
dev);
- struct socket *sock = vq->private_data;
+ struct socket *sock = vhost_vq_get_backend(vq);
struct page_frag *alloc_frag = &net->page_frag;
struct virtio_net_hdr *gso;
struct xdp_buff *xdp = &nvq->xdp[nvq->batched_xdp];
@@ -745,6 +747,7 @@ static int vhost_net_build_xdp(struct vhost_net_virtqueue *nvq,
xdp->data = buf + pad;
xdp->data_end = xdp->data + len;
hdr->buflen = buflen;
+ xdp->frame_sz = buflen;
--net->refcnt_bias;
alloc_frag->offset += buflen;
@@ -952,7 +955,7 @@ static void handle_tx(struct vhost_net *net)
struct socket *sock;
mutex_lock_nested(&vq->mutex, VHOST_NET_VQ_TX);
- sock = vq->private_data;
+ sock = vhost_vq_get_backend(vq);
if (!sock)
goto out;
@@ -1121,7 +1124,7 @@ static void handle_rx(struct vhost_net *net)
int recv_pkts = 0;
mutex_lock_nested(&vq->mutex, VHOST_NET_VQ_RX);
- sock = vq->private_data;
+ sock = vhost_vq_get_backend(vq);
if (!sock)
goto out;
@@ -1345,9 +1348,9 @@ static struct socket *vhost_net_stop_vq(struct vhost_net *n,
container_of(vq, struct vhost_net_virtqueue, vq);
mutex_lock(&vq->mutex);
- sock = vq->private_data;
+ sock = vhost_vq_get_backend(vq);
vhost_net_disable_vq(n, vq);
- vq->private_data = NULL;
+ vhost_vq_set_backend(vq, NULL);
vhost_net_buf_unproduce(nvq);
nvq->rx_ring = NULL;
mutex_unlock(&vq->mutex);
@@ -1521,7 +1524,7 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
}
/* start polling new socket */
- oldsock = vq->private_data;
+ oldsock = vhost_vq_get_backend(vq);
if (sock != oldsock) {
ubufs = vhost_net_ubuf_alloc(vq,
sock && vhost_sock_zcopy(sock));
@@ -1531,7 +1534,7 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
}
vhost_net_disable_vq(n, vq);
- vq->private_data = sock;
+ vhost_vq_set_backend(vq, sock);
vhost_net_buf_unproduce(nvq);
r = vhost_vq_init_access(vq);
if (r)
@@ -1568,7 +1571,7 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
return 0;
err_used:
- vq->private_data = oldsock;
+ vhost_vq_set_backend(vq, oldsock);
vhost_net_enable_vq(n, vq);
if (ubufs)
vhost_net_ubuf_put_wait_and_free(ubufs);
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 7653667a8cdc..c39952243fd3 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -452,7 +452,7 @@ vhost_scsi_do_evt_work(struct vhost_scsi *vs, struct vhost_scsi_evt *evt)
unsigned out, in;
int head, ret;
- if (!vq->private_data) {
+ if (!vhost_vq_get_backend(vq)) {
vs->vs_events_missed = true;
return;
}
@@ -892,7 +892,7 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc,
} else {
struct vhost_scsi_tpg **vs_tpg, *tpg;
- vs_tpg = vq->private_data; /* validated at handler entry */
+ vs_tpg = vhost_vq_get_backend(vq); /* validated at handler entry */
tpg = READ_ONCE(vs_tpg[*vc->target]);
if (unlikely(!tpg)) {
@@ -929,7 +929,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
* We can handle the vq only after the endpoint is setup by calling the
* VHOST_SCSI_SET_ENDPOINT ioctl.
*/
- vs_tpg = vq->private_data;
+ vs_tpg = vhost_vq_get_backend(vq);
if (!vs_tpg)
goto out;
@@ -1184,7 +1184,7 @@ vhost_scsi_ctl_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
* We can handle the vq only after the endpoint is setup by calling the
* VHOST_SCSI_SET_ENDPOINT ioctl.
*/
- if (!vq->private_data)
+ if (!vhost_vq_get_backend(vq))
goto out;
memset(&vc, 0, sizeof(vc));
@@ -1322,7 +1322,7 @@ static void vhost_scsi_evt_handle_kick(struct vhost_work *work)
struct vhost_scsi *vs = container_of(vq->dev, struct vhost_scsi, dev);
mutex_lock(&vq->mutex);
- if (!vq->private_data)
+ if (!vhost_vq_get_backend(vq))
goto out;
if (vs->vs_events_missed)
@@ -1460,7 +1460,7 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs,
for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
vq = &vs->vqs[i].vq;
mutex_lock(&vq->mutex);
- vq->private_data = vs_tpg;
+ vhost_vq_set_backend(vq, vs_tpg);
vhost_vq_init_access(vq);
mutex_unlock(&vq->mutex);
}
@@ -1547,7 +1547,7 @@ vhost_scsi_clear_endpoint(struct vhost_scsi *vs,
for (i = 0; i < VHOST_SCSI_MAX_VQ; i++) {
vq = &vs->vqs[i].vq;
mutex_lock(&vq->mutex);
- vq->private_data = NULL;
+ vhost_vq_set_backend(vq, NULL);
mutex_unlock(&vq->mutex);
}
}
diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index e37c92d4d7ad..9a3a09005e03 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -49,7 +49,7 @@ static void handle_vq(struct vhost_test *n)
void *private;
mutex_lock(&vq->mutex);
- private = vq->private_data;
+ private = vhost_vq_get_backend(vq);
if (!private) {
mutex_unlock(&vq->mutex);
return;
@@ -120,7 +120,7 @@ static int vhost_test_open(struct inode *inode, struct file *f)
vqs[VHOST_TEST_VQ] = &n->vqs[VHOST_TEST_VQ];
n->vqs[VHOST_TEST_VQ].handle_kick = handle_vq_kick;
vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX, UIO_MAXIOV,
- VHOST_TEST_PKT_WEIGHT, VHOST_TEST_WEIGHT);
+ VHOST_TEST_PKT_WEIGHT, VHOST_TEST_WEIGHT, NULL);
f->private_data = n;
@@ -133,8 +133,8 @@ static void *vhost_test_stop_vq(struct vhost_test *n,
void *private;
mutex_lock(&vq->mutex);
- private = vq->private_data;
- vq->private_data = NULL;
+ private = vhost_vq_get_backend(vq);
+ vhost_vq_set_backend(vq, NULL);
mutex_unlock(&vq->mutex);
return private;
}
@@ -198,8 +198,8 @@ static long vhost_test_run(struct vhost_test *n, int test)
priv = test ? n : NULL;
/* start polling new socket */
- oldpriv = vq->private_data;
- vq->private_data = priv;
+ oldpriv = vhost_vq_get_backend(vq);
+ vhost_vq_set_backend(vq, priv);
r = vhost_vq_init_access(&n->vqs[index]);
@@ -225,7 +225,7 @@ static long vhost_test_reset_owner(struct vhost_test *n)
{
void *priv = NULL;
long err;
- struct vhost_umem *umem;
+ struct vhost_iotlb *umem;
mutex_lock(&n->dev.mutex);
err = vhost_dev_check_owner(&n->dev);
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index 421f02a8530a..0968361e3b77 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -296,7 +296,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
struct vdpa_callback cb;
struct vhost_virtqueue *vq;
struct vhost_vring_state s;
- u8 status;
u32 idx;
long r;
@@ -310,8 +309,6 @@ static long vhost_vdpa_vring_ioctl(struct vhost_vdpa *v, unsigned int cmd,
idx = array_index_nospec(idx, v->nvqs);
vq = &v->vqs[idx];
- status = ops->get_status(vdpa);
-
if (cmd == VHOST_VDPA_SET_VRING_ENABLE) {
if (copy_from_user(&s, argp, sizeof(s)))
return -EFAULT;
@@ -678,8 +675,6 @@ static int vhost_vdpa_open(struct inode *inode, struct file *filep)
int nvqs, i, r, opened;
v = container_of(inode->i_cdev, struct vhost_vdpa, cdev);
- if (!v)
- return -ENODEV;
opened = atomic_cmpxchg(&v->opened, 0, 1);
if (opened)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index d450e16c5c25..21a59b598ed8 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -730,7 +730,7 @@ static inline void __user *vhost_vq_meta_fetch(struct vhost_virtqueue *vq,
if (!map)
return NULL;
- return (void *)(uintptr_t)(map->addr + addr - map->start);
+ return (void __user *)(uintptr_t)(map->addr + addr - map->start);
}
/* Can we switch to this memory table? */
@@ -869,7 +869,7 @@ static void __user *__vhost_get_user_slow(struct vhost_virtqueue *vq,
* not happen in this case.
*/
static inline void __user *__vhost_get_user(struct vhost_virtqueue *vq,
- void *addr, unsigned int size,
+ void __user *addr, unsigned int size,
int type)
{
void __user *uaddr = vhost_vq_meta_fetch(vq,
diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 181382185bbc..f8403bd46b85 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -231,6 +231,33 @@ enum {
(1ULL << VIRTIO_F_VERSION_1)
};
+/**
+ * vhost_vq_set_backend - Set backend.
+ *
+ * @vq Virtqueue.
+ * @private_data The private data.
+ *
+ * Context: Need to call with vq->mutex acquired.
+ */
+static inline void vhost_vq_set_backend(struct vhost_virtqueue *vq,
+ void *private_data)
+{
+ vq->private_data = private_data;
+}
+
+/**
+ * vhost_vq_get_backend - Get backend.
+ *
+ * @vq Virtqueue.
+ *
+ * Context: Need to call with vq->mutex acquired.
+ * Return: Private data previously set with vhost_vq_set_backend.
+ */
+static inline void *vhost_vq_get_backend(struct vhost_virtqueue *vq)
+{
+ return vq->private_data;
+}
+
static inline bool vhost_has_feature(struct vhost_virtqueue *vq, int bit)
{
return vq->acked_features & (1ULL << bit);
diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
index ee0491f579ac..ba8e0d6cfd97 100644
--- a/drivers/vhost/vringh.c
+++ b/drivers/vhost/vringh.c
@@ -13,9 +13,11 @@
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/export.h>
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
#include <linux/bvec.h>
#include <linux/highmem.h>
#include <linux/vhost_iotlb.h>
+#endif
#include <uapi/linux/virtio_config.h>
static __printf(1,2) __cold void vringh_bad(const char *fmt, ...)
@@ -1059,6 +1061,8 @@ int vringh_need_notify_kern(struct vringh *vrh)
}
EXPORT_SYMBOL(vringh_need_notify_kern);
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
+
static int iotlb_translate(const struct vringh *vrh,
u64 addr, u64 len, struct bio_vec iov[],
int iov_size, u32 perm)
@@ -1416,5 +1420,6 @@ int vringh_need_notify_iotlb(struct vringh *vrh)
}
EXPORT_SYMBOL(vringh_need_notify_iotlb);
+#endif
MODULE_LICENSE("GPL");
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index 97669484a3f6..fb4e944c4d0d 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -91,7 +91,7 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
mutex_lock(&vq->mutex);
- if (!vq->private_data)
+ if (!vhost_vq_get_backend(vq))
goto out;
/* Avoid further vmexits, we're already processing the virtqueue */
@@ -181,14 +181,14 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
break;
}
- vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
- added = true;
-
- /* Deliver to monitoring devices all correctly transmitted
- * packets.
+ /* Deliver to monitoring devices all packets that we
+ * will transmit.
*/
virtio_transport_deliver_tap_pkt(pkt);
+ vhost_add_used(vq, head, sizeof(pkt->hdr) + payload_len);
+ added = true;
+
pkt->off += payload_len;
total_len += payload_len;
@@ -196,6 +196,12 @@ vhost_transport_do_send_pkt(struct vhost_vsock *vsock,
* to send it with the next available buffer.
*/
if (pkt->off < pkt->len) {
+ /* We are queueing the same virtio_vsock_pkt to handle
+ * the remaining bytes, and we want to deliver it
+ * to monitoring devices in the next iteration.
+ */
+ pkt->tap_delivered = false;
+
spin_lock_bh(&vsock->send_pkt_list_lock);
list_add(&pkt->list, &vsock->send_pkt_list);
spin_unlock_bh(&vsock->send_pkt_list_lock);
@@ -440,7 +446,7 @@ static void vhost_vsock_handle_tx_kick(struct vhost_work *work)
mutex_lock(&vq->mutex);
- if (!vq->private_data)
+ if (!vhost_vq_get_backend(vq))
goto out;
vhost_disable_notify(&vsock->dev, vq);
@@ -533,8 +539,8 @@ static int vhost_vsock_start(struct vhost_vsock *vsock)
goto err_vq;
}
- if (!vq->private_data) {
- vq->private_data = vsock;
+ if (!vhost_vq_get_backend(vq)) {
+ vhost_vq_set_backend(vq, vsock);
ret = vhost_vq_init_access(vq);
if (ret)
goto err_vq;
@@ -543,18 +549,23 @@ static int vhost_vsock_start(struct vhost_vsock *vsock)
mutex_unlock(&vq->mutex);
}
+ /* Some packets may have been queued before the device was started,
+ * let's kick the send worker to send them.
+ */
+ vhost_work_queue(&vsock->dev, &vsock->send_pkt_work);
+
mutex_unlock(&vsock->dev.mutex);
return 0;
err_vq:
- vq->private_data = NULL;
+ vhost_vq_set_backend(vq, NULL);
mutex_unlock(&vq->mutex);
for (i = 0; i < ARRAY_SIZE(vsock->vqs); i++) {
vq = &vsock->vqs[i];
mutex_lock(&vq->mutex);
- vq->private_data = NULL;
+ vhost_vq_set_backend(vq, NULL);
mutex_unlock(&vq->mutex);
}
err:
@@ -577,7 +588,7 @@ static int vhost_vsock_stop(struct vhost_vsock *vsock)
struct vhost_virtqueue *vq = &vsock->vqs[i];
mutex_lock(&vq->mutex);
- vq->private_data = NULL;
+ vhost_vq_set_backend(vq, NULL);
mutex_unlock(&vq->mutex);
}
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig
index 91b0a719d221..fa88e8b9a83d 100644
--- a/drivers/video/fbdev/Kconfig
+++ b/drivers/video/fbdev/Kconfig
@@ -472,7 +472,7 @@ config FB_OF
config FB_CONTROL
bool "Apple \"control\" display support"
- depends on (FB = y) && PPC_PMAC && PPC32
+ depends on (FB = y) && ((PPC_PMAC && PPC32) || COMPILE_TEST)
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
diff --git a/drivers/video/fbdev/amifb.c b/drivers/video/fbdev/amifb.c
index 20e03e00b66d..6062104f3afb 100644
--- a/drivers/video/fbdev/amifb.c
+++ b/drivers/video/fbdev/amifb.c
@@ -1855,8 +1855,6 @@ static int ami_get_var_cursorinfo(struct fb_var_cursorinfo *var,
var->yspot = par->crsr.spot_y;
if (size > var->height * var->width)
return -ENAMETOOLONG;
- if (!access_ok(data, size))
- return -EFAULT;
delta = 1 << par->crsr.fmode;
lspr = lofsprite + (delta << 1);
if (par->bplcon0 & BPC0_LACE)
@@ -1935,8 +1933,6 @@ static int ami_set_var_cursorinfo(struct fb_var_cursorinfo *var,
return -EINVAL;
if (!var->height)
return -EINVAL;
- if (!access_ok(data, var->width * var->height))
- return -EFAULT;
delta = 1 << fmode;
lofsprite = shfsprite = (u_short *)spritememory;
lspr = lofsprite + (delta << 1);
diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c
index 314ab82e01c0..6f7838979f0a 100644
--- a/drivers/video/fbdev/arcfb.c
+++ b/drivers/video/fbdev/arcfb.c
@@ -544,10 +544,6 @@ static int arcfb_probe(struct platform_device *dev)
par->cslut[1] = 0x06;
info->flags = FBINFO_FLAG_DEFAULT;
spin_lock_init(&par->lock);
- retval = register_framebuffer(info);
- if (retval < 0)
- goto err1;
- platform_set_drvdata(dev, info);
if (irq) {
par->irq = irq;
if (request_irq(par->irq, &arcfb_interrupt, IRQF_SHARED,
@@ -558,6 +554,10 @@ static int arcfb_probe(struct platform_device *dev)
goto err1;
}
}
+ retval = register_framebuffer(info);
+ if (retval < 0)
+ goto err1;
+ platform_set_drvdata(dev, info);
fb_info(info, "Arc frame buffer device, using %dK of video memory\n",
videomemorysize >> 10);
@@ -593,6 +593,8 @@ static int arcfb_remove(struct platform_device *dev)
if (info) {
unregister_framebuffer(info);
+ if (irq)
+ free_irq(((struct arcfb_par *)(info->par))->irq, info);
vfree((void __force *)info->screen_base);
framebuffer_release(info);
}
diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
index d567f5d56c13..1e252192569a 100644
--- a/drivers/video/fbdev/atmel_lcdfb.c
+++ b/drivers/video/fbdev/atmel_lcdfb.c
@@ -1114,7 +1114,6 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
sinfo->irq_base = platform_get_irq(pdev, 0);
if (sinfo->irq_base < 0) {
- dev_err(dev, "unable to get irq\n");
ret = sinfo->irq_base;
goto stop_clk;
}
diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c
index d7e41c8dd533..d05d4195acad 100644
--- a/drivers/video/fbdev/aty/aty128fb.c
+++ b/drivers/video/fbdev/aty/aty128fb.c
@@ -334,20 +334,6 @@ static const struct aty128_meminfo sdr_128 = {
.name = "128-bit SDR SGRAM (1:1)",
};
-static const struct aty128_meminfo sdr_64 = {
- .ML = 4,
- .MB = 8,
- .Trcd = 3,
- .Trp = 3,
- .Twr = 1,
- .CL = 3,
- .Tr2w = 1,
- .LoopLatency = 17,
- .DspOn = 46,
- .Rloop = 17,
- .name = "64-bit SDR SGRAM (1:1)",
-};
-
static const struct aty128_meminfo sdr_sgram = {
.ML = 4,
.MB = 4,
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index 175d2598f28e..b0ac895e5ac9 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -126,7 +126,7 @@
#ifdef DEBUG
#define DPRINTK(fmt, args...) printk(KERN_DEBUG "atyfb: " fmt, ## args)
#else
-#define DPRINTK(fmt, args...)
+#define DPRINTK(fmt, args...) no_printk(fmt, ##args)
#endif
#define PRINTKI(fmt, args...) printk(KERN_INFO "atyfb: " fmt, ## args)
@@ -3819,9 +3819,9 @@ static int __init atyfb_setup(char *options)
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "noaccel", 7)) {
- noaccel = 1;
+ noaccel = true;
} else if (!strncmp(this_opt, "nomtrr", 6)) {
- nomtrr = 1;
+ nomtrr = true;
} else if (!strncmp(this_opt, "vram:", 5))
vram = simple_strtoul(this_opt + 5, NULL, 0);
else if (!strncmp(this_opt, "pll:", 4))
diff --git a/drivers/video/fbdev/controlfb.c b/drivers/video/fbdev/controlfb.c
index 38b61cdb5ca4..9c4f1be856ec 100644
--- a/drivers/video/fbdev/controlfb.c
+++ b/drivers/video/fbdev/controlfb.c
@@ -31,7 +31,6 @@
* more details.
*/
-#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
@@ -48,12 +47,37 @@
#include <linux/nvram.h>
#include <linux/adb.h>
#include <linux/cuda.h>
+#ifdef CONFIG_PPC_PMAC
#include <asm/prom.h>
#include <asm/btext.h>
+#endif
#include "macmodes.h"
#include "controlfb.h"
+#if !defined(CONFIG_PPC_PMAC) || !defined(CONFIG_PPC32)
+#define invalid_vram_cache(addr)
+#undef in_8
+#undef out_8
+#undef in_le32
+#undef out_le32
+#define in_8(addr) 0
+#define out_8(addr, val)
+#define in_le32(addr) 0
+#define out_le32(addr, val)
+#define pgprot_cached_wthru(prot) (prot)
+#else
+static void invalid_vram_cache(void __force *addr)
+{
+ eieio();
+ dcbf(addr);
+ mb();
+ eieio();
+ dcbf(addr);
+ mb();
+}
+#endif
+
struct fb_par_control {
int vmode, cmode;
int xres, yres;
@@ -117,38 +141,6 @@ struct fb_info_control {
#define CNTRL_REG(INFO,REG) (&(((INFO)->control_regs->REG).r))
-/******************** Prototypes for exported functions ********************/
-/*
- * struct fb_ops
- */
-static int controlfb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info);
-static int controlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
- u_int transp, struct fb_info *info);
-static int controlfb_blank(int blank_mode, struct fb_info *info);
-static int controlfb_mmap(struct fb_info *info,
- struct vm_area_struct *vma);
-static int controlfb_set_par (struct fb_info *info);
-static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info);
-
-/******************** Prototypes for internal functions **********************/
-
-static void set_control_clock(unsigned char *params);
-static int init_control(struct fb_info_control *p);
-static void control_set_hardware(struct fb_info_control *p,
- struct fb_par_control *par);
-static int control_of_init(struct device_node *dp);
-static void find_vram_size(struct fb_info_control *p);
-static int read_control_sense(struct fb_info_control *p);
-static int calc_clock_params(unsigned long clk, unsigned char *param);
-static int control_var_to_par(struct fb_var_screeninfo *var,
- struct fb_par_control *par, const struct fb_info *fb_info);
-static inline void control_par_to_var(struct fb_par_control *par,
- struct fb_var_screeninfo *var);
-static void control_init_info(struct fb_info *info, struct fb_info_control *p);
-static void control_cleanup(void);
-
-
/************************** Internal variables *******************************/
static struct fb_info_control *control_fb;
@@ -157,189 +149,6 @@ static int default_vmode __initdata = VMODE_NVRAM;
static int default_cmode __initdata = CMODE_NVRAM;
-static const struct fb_ops controlfb_ops = {
- .owner = THIS_MODULE,
- .fb_check_var = controlfb_check_var,
- .fb_set_par = controlfb_set_par,
- .fb_setcolreg = controlfb_setcolreg,
- .fb_pan_display = controlfb_pan_display,
- .fb_blank = controlfb_blank,
- .fb_mmap = controlfb_mmap,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
-};
-
-
-/******************** The functions for controlfb_ops ********************/
-
-#ifdef MODULE
-MODULE_LICENSE("GPL");
-
-int init_module(void)
-{
- struct device_node *dp;
- int ret = -ENXIO;
-
- dp = of_find_node_by_name(NULL, "control");
- if (dp && !control_of_init(dp))
- ret = 0;
- of_node_put(dp);
-
- return ret;
-}
-
-void cleanup_module(void)
-{
- control_cleanup();
-}
-#endif
-
-/*
- * Checks a var structure
- */
-static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
-{
- struct fb_par_control par;
- int err;
-
- err = control_var_to_par(var, &par, info);
- if (err)
- return err;
- control_par_to_var(&par, var);
-
- return 0;
-}
-
-/*
- * Applies current var to display
- */
-static int controlfb_set_par (struct fb_info *info)
-{
- struct fb_info_control *p =
- container_of(info, struct fb_info_control, info);
- struct fb_par_control par;
- int err;
-
- if((err = control_var_to_par(&info->var, &par, info))) {
- printk (KERN_ERR "controlfb_set_par: error calling"
- " control_var_to_par: %d.\n", err);
- return err;
- }
-
- control_set_hardware(p, &par);
-
- info->fix.visual = (p->par.cmode == CMODE_8) ?
- FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
- info->fix.line_length = p->par.pitch;
- info->fix.xpanstep = 32 >> p->par.cmode;
- info->fix.ypanstep = 1;
-
- return 0;
-}
-
-/*
- * Set screen start address according to var offset values
- */
-static inline void set_screen_start(int xoffset, int yoffset,
- struct fb_info_control *p)
-{
- struct fb_par_control *par = &p->par;
-
- par->xoffset = xoffset;
- par->yoffset = yoffset;
- out_le32(CNTRL_REG(p,start_addr),
- par->yoffset * par->pitch + (par->xoffset << par->cmode));
-}
-
-
-static int controlfb_pan_display(struct fb_var_screeninfo *var,
- struct fb_info *info)
-{
- unsigned int xoffset, hstep;
- struct fb_info_control *p =
- container_of(info, struct fb_info_control, info);
- struct fb_par_control *par = &p->par;
-
- /*
- * make sure start addr will be 32-byte aligned
- */
- hstep = 0x1f >> par->cmode;
- xoffset = (var->xoffset + hstep) & ~hstep;
-
- if (xoffset+par->xres > par->vxres ||
- var->yoffset+par->yres > par->vyres)
- return -EINVAL;
-
- set_screen_start(xoffset, var->yoffset, p);
-
- return 0;
-}
-
-
-/*
- * Private mmap since we want to have a different caching on the framebuffer
- * for controlfb.
- * Note there's no locking in here; it's done in fb_mmap() in fbmem.c.
- */
-static int controlfb_mmap(struct fb_info *info,
- struct vm_area_struct *vma)
-{
- unsigned long mmio_pgoff;
- unsigned long start;
- u32 len;
-
- start = info->fix.smem_start;
- len = info->fix.smem_len;
- mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT;
- if (vma->vm_pgoff >= mmio_pgoff) {
- if (info->var.accel_flags)
- return -EINVAL;
- vma->vm_pgoff -= mmio_pgoff;
- start = info->fix.mmio_start;
- len = info->fix.mmio_len;
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
- } else {
- /* framebuffer */
- vma->vm_page_prot = pgprot_cached_wthru(vma->vm_page_prot);
- }
-
- return vm_iomap_memory(vma, start, len);
-}
-
-static int controlfb_blank(int blank_mode, struct fb_info *info)
-{
- struct fb_info_control *p =
- container_of(info, struct fb_info_control, info);
- unsigned ctrl;
-
- ctrl = le32_to_cpup(CNTRL_REG(p,ctrl));
- if (blank_mode > 0)
- switch (blank_mode) {
- case FB_BLANK_VSYNC_SUSPEND:
- ctrl &= ~3;
- break;
- case FB_BLANK_HSYNC_SUSPEND:
- ctrl &= ~0x30;
- break;
- case FB_BLANK_POWERDOWN:
- ctrl &= ~0x33;
- /* fall through */
- case FB_BLANK_NORMAL:
- ctrl |= 0x400;
- break;
- default:
- break;
- }
- else {
- ctrl &= ~0x400;
- ctrl |= 0x33;
- }
- out_le32(CNTRL_REG(p,ctrl), ctrl);
-
- return 0;
-}
-
static int controlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
@@ -396,75 +205,18 @@ static void set_control_clock(unsigned char *params)
#endif
}
-
/*
- * finish off the driver initialization and register
+ * Set screen start address according to var offset values
*/
-static int __init init_control(struct fb_info_control *p)
+static inline void set_screen_start(int xoffset, int yoffset,
+ struct fb_info_control *p)
{
- int full, sense, vmode, cmode, vyres;
- struct fb_var_screeninfo var;
- int rc;
-
- printk(KERN_INFO "controlfb: ");
-
- full = p->total_vram == 0x400000;
-
- /* Try to pick a video mode out of NVRAM if we have one. */
- cmode = default_cmode;
- if (IS_REACHABLE(CONFIG_NVRAM) && cmode == CMODE_NVRAM)
- cmode = nvram_read_byte(NV_CMODE);
- if (cmode < CMODE_8 || cmode > CMODE_32)
- cmode = CMODE_8;
-
- vmode = default_vmode;
- if (IS_REACHABLE(CONFIG_NVRAM) && vmode == VMODE_NVRAM)
- vmode = nvram_read_byte(NV_VMODE);
- if (vmode < 1 || vmode > VMODE_MAX ||
- control_mac_modes[vmode - 1].m[full] < cmode) {
- sense = read_control_sense(p);
- printk(KERN_CONT "Monitor sense value = 0x%x, ", sense);
- vmode = mac_map_monitor_sense(sense);
- if (control_mac_modes[vmode - 1].m[full] < 0)
- vmode = VMODE_640_480_60;
- cmode = min(cmode, control_mac_modes[vmode - 1].m[full]);
- }
-
- /* Initialize info structure */
- control_init_info(&p->info, p);
-
- /* Setup default var */
- if (mac_vmode_to_var(vmode, cmode, &var) < 0) {
- /* This shouldn't happen! */
- printk("mac_vmode_to_var(%d, %d,) failed\n", vmode, cmode);
-try_again:
- vmode = VMODE_640_480_60;
- cmode = CMODE_8;
- if (mac_vmode_to_var(vmode, cmode, &var) < 0) {
- printk(KERN_ERR "controlfb: mac_vmode_to_var() failed\n");
- return -ENXIO;
- }
- printk(KERN_INFO "controlfb: ");
- }
- printk("using video mode %d and color mode %d.\n", vmode, cmode);
-
- vyres = (p->total_vram - CTRLFB_OFF) / (var.xres << cmode);
- if (vyres > var.yres)
- var.yres_virtual = vyres;
-
- /* Apply default var */
- var.activate = FB_ACTIVATE_NOW;
- rc = fb_set_var(&p->info, &var);
- if (rc && (vmode != VMODE_640_480_60 || cmode != CMODE_8))
- goto try_again;
-
- /* Register with fbdev layer */
- if (register_framebuffer(&p->info) < 0)
- return -ENXIO;
-
- fb_info(&p->info, "control display adapter\n");
+ struct fb_par_control *par = &p->par;
- return 0;
+ par->xoffset = xoffset;
+ par->yoffset = yoffset;
+ out_le32(CNTRL_REG(p,start_addr),
+ par->yoffset * par->pitch + (par->xoffset << par->cmode));
}
#define RADACAL_WRITE(a,d) \
@@ -528,67 +280,6 @@ static void control_set_hardware(struct fb_info_control *p, struct fb_par_contro
#endif /* CONFIG_BOOTX_TEXT */
}
-
-/*
- * Parse user specified options (`video=controlfb:')
- */
-static void __init control_setup(char *options)
-{
- char *this_opt;
-
- if (!options || !*options)
- return;
-
- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!strncmp(this_opt, "vmode:", 6)) {
- int vmode = simple_strtoul(this_opt+6, NULL, 0);
- if (vmode > 0 && vmode <= VMODE_MAX &&
- control_mac_modes[vmode - 1].m[1] >= 0)
- default_vmode = vmode;
- } else if (!strncmp(this_opt, "cmode:", 6)) {
- int depth = simple_strtoul(this_opt+6, NULL, 0);
- switch (depth) {
- case CMODE_8:
- case CMODE_16:
- case CMODE_32:
- default_cmode = depth;
- break;
- case 8:
- default_cmode = CMODE_8;
- break;
- case 15:
- case 16:
- default_cmode = CMODE_16;
- break;
- case 24:
- case 32:
- default_cmode = CMODE_32;
- break;
- }
- }
- }
-}
-
-static int __init control_init(void)
-{
- struct device_node *dp;
- char *option = NULL;
- int ret = -ENXIO;
-
- if (fb_get_options("controlfb", &option))
- return -ENODEV;
- control_setup(option);
-
- dp = of_find_node_by_name(NULL, "control");
- if (dp && !control_of_init(dp))
- ret = 0;
- of_node_put(dp);
-
- return ret;
-}
-
-module_init(control_init);
-
/* Work out which banks of VRAM we have installed. */
/* danj: I guess the card just ignores writes to nonexistant VRAM... */
@@ -605,12 +296,7 @@ static void __init find_vram_size(struct fb_info_control *p)
out_8(&p->frame_buffer[0x600000], 0xb3);
out_8(&p->frame_buffer[0x600001], 0x71);
- asm volatile("eieio; dcbf 0,%0" : : "r" (&p->frame_buffer[0x600000])
- : "memory" );
- mb();
- asm volatile("eieio; dcbi 0,%0" : : "r" (&p->frame_buffer[0x600000])
- : "memory" );
- mb();
+ invalid_vram_cache(&p->frame_buffer[0x600000]);
bank2 = (in_8(&p->frame_buffer[0x600000]) == 0xb3)
&& (in_8(&p->frame_buffer[0x600001]) == 0x71);
@@ -624,12 +310,7 @@ static void __init find_vram_size(struct fb_info_control *p)
out_8(&p->frame_buffer[0], 0x5a);
out_8(&p->frame_buffer[1], 0xc7);
- asm volatile("eieio; dcbf 0,%0" : : "r" (&p->frame_buffer[0])
- : "memory" );
- mb();
- asm volatile("eieio; dcbi 0,%0" : : "r" (&p->frame_buffer[0])
- : "memory" );
- mb();
+ invalid_vram_cache(&p->frame_buffer[0]);
bank1 = (in_8(&p->frame_buffer[0]) == 0x5a)
&& (in_8(&p->frame_buffer[1]) == 0xc7);
@@ -663,78 +344,6 @@ static void __init find_vram_size(struct fb_info_control *p)
(bank1 + bank2) << 1, bank1 << 1, bank2 << 1);
}
-
-/*
- * find "control" and initialize
- */
-static int __init control_of_init(struct device_node *dp)
-{
- struct fb_info_control *p;
- struct resource fb_res, reg_res;
-
- if (control_fb) {
- printk(KERN_ERR "controlfb: only one control is supported\n");
- return -ENXIO;
- }
-
- if (of_pci_address_to_resource(dp, 2, &fb_res) ||
- of_pci_address_to_resource(dp, 1, &reg_res)) {
- printk(KERN_ERR "can't get 2 addresses for control\n");
- return -ENXIO;
- }
- p = kzalloc(sizeof(*p), GFP_KERNEL);
- if (!p)
- return -ENOMEM;
- control_fb = p; /* save it for cleanups */
-
- /* Map in frame buffer and registers */
- p->fb_orig_base = fb_res.start;
- p->fb_orig_size = resource_size(&fb_res);
- /* use the big-endian aperture (??) */
- p->frame_buffer_phys = fb_res.start + 0x800000;
- p->control_regs_phys = reg_res.start;
- p->control_regs_size = resource_size(&reg_res);
-
- if (!p->fb_orig_base ||
- !request_mem_region(p->fb_orig_base,p->fb_orig_size,"controlfb")) {
- p->fb_orig_base = 0;
- goto error_out;
- }
- /* map at most 8MB for the frame buffer */
- p->frame_buffer = ioremap_wt(p->frame_buffer_phys, 0x800000);
-
- if (!p->control_regs_phys ||
- !request_mem_region(p->control_regs_phys, p->control_regs_size,
- "controlfb regs")) {
- p->control_regs_phys = 0;
- goto error_out;
- }
- p->control_regs = ioremap(p->control_regs_phys, p->control_regs_size);
-
- p->cmap_regs_phys = 0xf301b000; /* XXX not in prom? */
- if (!request_mem_region(p->cmap_regs_phys, 0x1000, "controlfb cmap")) {
- p->cmap_regs_phys = 0;
- goto error_out;
- }
- p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000);
-
- if (!p->cmap_regs || !p->control_regs || !p->frame_buffer)
- goto error_out;
-
- find_vram_size(p);
- if (!p->total_vram)
- goto error_out;
-
- if (init_control(p) < 0)
- goto error_out;
-
- return 0;
-
-error_out:
- control_cleanup();
- return -ENXIO;
-}
-
/*
* Get the monitor sense value.
* Note that this can be called before calibrate_delay,
@@ -1019,6 +628,150 @@ static void control_par_to_var(struct fb_par_control *par, struct fb_var_screeni
var->pixclock >>= par->regvals.clock_params[2];
}
+/******************** The functions for controlfb_ops ********************/
+
+/*
+ * Checks a var structure
+ */
+static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct fb_par_control par;
+ int err;
+
+ err = control_var_to_par(var, &par, info);
+ if (err)
+ return err;
+ control_par_to_var(&par, var);
+
+ return 0;
+}
+
+/*
+ * Applies current var to display
+ */
+static int controlfb_set_par (struct fb_info *info)
+{
+ struct fb_info_control *p =
+ container_of(info, struct fb_info_control, info);
+ struct fb_par_control par;
+ int err;
+
+ if((err = control_var_to_par(&info->var, &par, info))) {
+ printk (KERN_ERR "controlfb_set_par: error calling"
+ " control_var_to_par: %d.\n", err);
+ return err;
+ }
+
+ control_set_hardware(p, &par);
+
+ info->fix.visual = (p->par.cmode == CMODE_8) ?
+ FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
+ info->fix.line_length = p->par.pitch;
+ info->fix.xpanstep = 32 >> p->par.cmode;
+ info->fix.ypanstep = 1;
+
+ return 0;
+}
+
+static int controlfb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ unsigned int xoffset, hstep;
+ struct fb_info_control *p =
+ container_of(info, struct fb_info_control, info);
+ struct fb_par_control *par = &p->par;
+
+ /*
+ * make sure start addr will be 32-byte aligned
+ */
+ hstep = 0x1f >> par->cmode;
+ xoffset = (var->xoffset + hstep) & ~hstep;
+
+ if (xoffset+par->xres > par->vxres ||
+ var->yoffset+par->yres > par->vyres)
+ return -EINVAL;
+
+ set_screen_start(xoffset, var->yoffset, p);
+
+ return 0;
+}
+
+static int controlfb_blank(int blank_mode, struct fb_info *info)
+{
+ struct fb_info_control __maybe_unused *p =
+ container_of(info, struct fb_info_control, info);
+ unsigned ctrl;
+
+ ctrl = in_le32(CNTRL_REG(p, ctrl));
+ if (blank_mode > 0)
+ switch (blank_mode) {
+ case FB_BLANK_VSYNC_SUSPEND:
+ ctrl &= ~3;
+ break;
+ case FB_BLANK_HSYNC_SUSPEND:
+ ctrl &= ~0x30;
+ break;
+ case FB_BLANK_POWERDOWN:
+ ctrl &= ~0x33;
+ /* fall through */
+ case FB_BLANK_NORMAL:
+ ctrl |= 0x400;
+ break;
+ default:
+ break;
+ }
+ else {
+ ctrl &= ~0x400;
+ ctrl |= 0x33;
+ }
+ out_le32(CNTRL_REG(p,ctrl), ctrl);
+
+ return 0;
+}
+
+/*
+ * Private mmap since we want to have a different caching on the framebuffer
+ * for controlfb.
+ * Note there's no locking in here; it's done in fb_mmap() in fbmem.c.
+ */
+static int controlfb_mmap(struct fb_info *info,
+ struct vm_area_struct *vma)
+{
+ unsigned long mmio_pgoff;
+ unsigned long start;
+ u32 len;
+
+ start = info->fix.smem_start;
+ len = info->fix.smem_len;
+ mmio_pgoff = PAGE_ALIGN((start & ~PAGE_MASK) + len) >> PAGE_SHIFT;
+ if (vma->vm_pgoff >= mmio_pgoff) {
+ if (info->var.accel_flags)
+ return -EINVAL;
+ vma->vm_pgoff -= mmio_pgoff;
+ start = info->fix.mmio_start;
+ len = info->fix.mmio_len;
+ vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+ } else {
+ /* framebuffer */
+ vma->vm_page_prot = pgprot_cached_wthru(vma->vm_page_prot);
+ }
+
+ return vm_iomap_memory(vma, start, len);
+}
+
+static const struct fb_ops controlfb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = controlfb_check_var,
+ .fb_set_par = controlfb_set_par,
+ .fb_setcolreg = controlfb_setcolreg,
+ .fb_pan_display = controlfb_pan_display,
+ .fb_blank = controlfb_blank,
+ .fb_mmap = controlfb_mmap,
+ .fb_fillrect = cfb_fillrect,
+ .fb_copyarea = cfb_copyarea,
+ .fb_imageblit = cfb_imageblit,
+};
+
/*
* Set misc info vars for this driver
*/
@@ -1045,6 +798,115 @@ static void __init control_init_info(struct fb_info *info, struct fb_info_contro
info->fix.accel = FB_ACCEL_NONE;
}
+/*
+ * Parse user specified options (`video=controlfb:')
+ */
+static void __init control_setup(char *options)
+{
+ char *this_opt;
+
+ if (!options || !*options)
+ return;
+
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!strncmp(this_opt, "vmode:", 6)) {
+ int vmode = simple_strtoul(this_opt+6, NULL, 0);
+ if (vmode > 0 && vmode <= VMODE_MAX &&
+ control_mac_modes[vmode - 1].m[1] >= 0)
+ default_vmode = vmode;
+ } else if (!strncmp(this_opt, "cmode:", 6)) {
+ int depth = simple_strtoul(this_opt+6, NULL, 0);
+ switch (depth) {
+ case CMODE_8:
+ case CMODE_16:
+ case CMODE_32:
+ default_cmode = depth;
+ break;
+ case 8:
+ default_cmode = CMODE_8;
+ break;
+ case 15:
+ case 16:
+ default_cmode = CMODE_16;
+ break;
+ case 24:
+ case 32:
+ default_cmode = CMODE_32;
+ break;
+ }
+ }
+ }
+}
+
+/*
+ * finish off the driver initialization and register
+ */
+static int __init init_control(struct fb_info_control *p)
+{
+ int full, sense, vmode, cmode, vyres;
+ struct fb_var_screeninfo var;
+ int rc;
+
+ printk(KERN_INFO "controlfb: ");
+
+ full = p->total_vram == 0x400000;
+
+ /* Try to pick a video mode out of NVRAM if we have one. */
+ cmode = default_cmode;
+ if (IS_REACHABLE(CONFIG_NVRAM) && cmode == CMODE_NVRAM)
+ cmode = nvram_read_byte(NV_CMODE);
+ if (cmode < CMODE_8 || cmode > CMODE_32)
+ cmode = CMODE_8;
+
+ vmode = default_vmode;
+ if (IS_REACHABLE(CONFIG_NVRAM) && vmode == VMODE_NVRAM)
+ vmode = nvram_read_byte(NV_VMODE);
+ if (vmode < 1 || vmode > VMODE_MAX ||
+ control_mac_modes[vmode - 1].m[full] < cmode) {
+ sense = read_control_sense(p);
+ printk(KERN_CONT "Monitor sense value = 0x%x, ", sense);
+ vmode = mac_map_monitor_sense(sense);
+ if (control_mac_modes[vmode - 1].m[full] < 0)
+ vmode = VMODE_640_480_60;
+ cmode = min(cmode, control_mac_modes[vmode - 1].m[full]);
+ }
+
+ /* Initialize info structure */
+ control_init_info(&p->info, p);
+
+ /* Setup default var */
+ if (mac_vmode_to_var(vmode, cmode, &var) < 0) {
+ /* This shouldn't happen! */
+ printk("mac_vmode_to_var(%d, %d,) failed\n", vmode, cmode);
+try_again:
+ vmode = VMODE_640_480_60;
+ cmode = CMODE_8;
+ if (mac_vmode_to_var(vmode, cmode, &var) < 0) {
+ printk(KERN_ERR "controlfb: mac_vmode_to_var() failed\n");
+ return -ENXIO;
+ }
+ printk(KERN_INFO "controlfb: ");
+ }
+ printk("using video mode %d and color mode %d.\n", vmode, cmode);
+
+ vyres = (p->total_vram - CTRLFB_OFF) / (var.xres << cmode);
+ if (vyres > var.yres)
+ var.yres_virtual = vyres;
+
+ /* Apply default var */
+ var.activate = FB_ACTIVATE_NOW;
+ rc = fb_set_var(&p->info, &var);
+ if (rc && (vmode != VMODE_640_480_60 || cmode != CMODE_8))
+ goto try_again;
+
+ /* Register with fbdev layer */
+ if (register_framebuffer(&p->info) < 0)
+ return -ENXIO;
+
+ fb_info(&p->info, "control display adapter\n");
+
+ return 0;
+}
static void control_cleanup(void)
{
@@ -1071,4 +933,93 @@ static void control_cleanup(void)
kfree(p);
}
+/*
+ * find "control" and initialize
+ */
+static int __init control_of_init(struct device_node *dp)
+{
+ struct fb_info_control *p;
+ struct resource fb_res, reg_res;
+
+ if (control_fb) {
+ printk(KERN_ERR "controlfb: only one control is supported\n");
+ return -ENXIO;
+ }
+
+ if (of_pci_address_to_resource(dp, 2, &fb_res) ||
+ of_pci_address_to_resource(dp, 1, &reg_res)) {
+ printk(KERN_ERR "can't get 2 addresses for control\n");
+ return -ENXIO;
+ }
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ control_fb = p; /* save it for cleanups */
+
+ /* Map in frame buffer and registers */
+ p->fb_orig_base = fb_res.start;
+ p->fb_orig_size = resource_size(&fb_res);
+ /* use the big-endian aperture (??) */
+ p->frame_buffer_phys = fb_res.start + 0x800000;
+ p->control_regs_phys = reg_res.start;
+ p->control_regs_size = resource_size(&reg_res);
+
+ if (!p->fb_orig_base ||
+ !request_mem_region(p->fb_orig_base,p->fb_orig_size,"controlfb")) {
+ p->fb_orig_base = 0;
+ goto error_out;
+ }
+ /* map at most 8MB for the frame buffer */
+ p->frame_buffer = ioremap_wt(p->frame_buffer_phys, 0x800000);
+
+ if (!p->control_regs_phys ||
+ !request_mem_region(p->control_regs_phys, p->control_regs_size,
+ "controlfb regs")) {
+ p->control_regs_phys = 0;
+ goto error_out;
+ }
+ p->control_regs = ioremap(p->control_regs_phys, p->control_regs_size);
+
+ p->cmap_regs_phys = 0xf301b000; /* XXX not in prom? */
+ if (!request_mem_region(p->cmap_regs_phys, 0x1000, "controlfb cmap")) {
+ p->cmap_regs_phys = 0;
+ goto error_out;
+ }
+ p->cmap_regs = ioremap(p->cmap_regs_phys, 0x1000);
+
+ if (!p->cmap_regs || !p->control_regs || !p->frame_buffer)
+ goto error_out;
+
+ find_vram_size(p);
+ if (!p->total_vram)
+ goto error_out;
+
+ if (init_control(p) < 0)
+ goto error_out;
+
+ return 0;
+
+error_out:
+ control_cleanup();
+ return -ENXIO;
+}
+
+static int __init control_init(void)
+{
+ struct device_node *dp;
+ char *option = NULL;
+ int ret = -ENXIO;
+
+ if (fb_get_options("controlfb", &option))
+ return -ENODEV;
+ control_setup(option);
+
+ dp = of_find_node_by_name(NULL, "control");
+ if (dp && !control_of_init(dp))
+ ret = 0;
+ of_node_put(dp);
+
+ return ret;
+}
+device_initcall(control_init);
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index 8e2e19f3bf44..d62a1e43864e 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -44,7 +44,7 @@
#ifdef DEBUG
#define DPRINTK(fmt, args...) printk(fmt,## args)
#else
-#define DPRINTK(fmt, args...)
+#define DPRINTK(fmt, args...) no_printk(fmt, ##args)
#endif
#define FBMON_FIX_HEADER 1
diff --git a/drivers/video/fbdev/cyber2000fb.c b/drivers/video/fbdev/cyber2000fb.c
index 460826a7ad55..513f58f28b0f 100644
--- a/drivers/video/fbdev/cyber2000fb.c
+++ b/drivers/video/fbdev/cyber2000fb.c
@@ -1160,12 +1160,14 @@ EXPORT_SYMBOL(cyber2000fb_detach);
#define DDC_SDA_IN (1 << 6)
static void cyber2000fb_enable_ddc(struct cfb_info *cfb)
+ __acquires(&cfb->reg_b0_lock)
{
spin_lock(&cfb->reg_b0_lock);
cyber2000fb_writew(0x1bf, 0x3ce, cfb);
}
static void cyber2000fb_disable_ddc(struct cfb_info *cfb)
+ __releases(&cfb->reg_b0_lock)
{
cyber2000fb_writew(0x0bf, 0x3ce, cfb);
spin_unlock(&cfb->reg_b0_lock);
diff --git a/drivers/video/fbdev/i810/i810_main.c b/drivers/video/fbdev/i810/i810_main.c
index aa7583d963ac..13bbf7fe13bf 100644
--- a/drivers/video/fbdev/i810/i810_main.c
+++ b/drivers/video/fbdev/i810/i810_main.c
@@ -1966,13 +1966,13 @@ static int i810fb_setup(char *options)
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!strncmp(this_opt, "mtrr", 4))
- mtrr = 1;
+ mtrr = true;
else if (!strncmp(this_opt, "accel", 5))
- accel = 1;
+ accel = true;
else if (!strncmp(this_opt, "extvga", 6))
- extvga = 1;
+ extvga = true;
else if (!strncmp(this_opt, "sync", 4))
- sync = 1;
+ sync = true;
else if (!strncmp(this_opt, "vram:", 5))
vram = (simple_strtoul(this_opt+5, NULL, 0));
else if (!strncmp(this_opt, "voffset:", 8))
@@ -1998,7 +1998,7 @@ static int i810fb_setup(char *options)
else if (!strncmp(this_opt, "vsync2:", 7))
vsync2 = simple_strtoul(this_opt+7, NULL, 0);
else if (!strncmp(this_opt, "dcolor", 6))
- dcolor = 1;
+ dcolor = true;
else if (!strncmp(this_opt, "ddc3", 4))
ddc3 = true;
else
diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index 370bf2553d43..884b16efa7e8 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -172,6 +172,7 @@ struct imxfb_info {
int num_modes;
struct regulator *lcd_pwr;
+ int lcd_pwr_enabled;
};
static const struct platform_device_id imxfb_devtype[] = {
@@ -801,16 +802,30 @@ static int imxfb_lcd_get_power(struct lcd_device *lcddev)
return FB_BLANK_UNBLANK;
}
+static int imxfb_regulator_set(struct imxfb_info *fbi, int enable)
+{
+ int ret;
+
+ if (enable == fbi->lcd_pwr_enabled)
+ return 0;
+
+ if (enable)
+ ret = regulator_enable(fbi->lcd_pwr);
+ else
+ ret = regulator_disable(fbi->lcd_pwr);
+
+ if (ret == 0)
+ fbi->lcd_pwr_enabled = enable;
+
+ return ret;
+}
+
static int imxfb_lcd_set_power(struct lcd_device *lcddev, int power)
{
struct imxfb_info *fbi = dev_get_drvdata(&lcddev->dev);
- if (!IS_ERR(fbi->lcd_pwr)) {
- if (power == FB_BLANK_UNBLANK)
- return regulator_enable(fbi->lcd_pwr);
- else
- return regulator_disable(fbi->lcd_pwr);
- }
+ if (!IS_ERR(fbi->lcd_pwr))
+ return imxfb_regulator_set(fbi, power == FB_BLANK_UNBLANK);
return 0;
}
diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c
index c15f8a57498e..ff8e321a22ce 100644
--- a/drivers/video/fbdev/matrox/g450_pll.c
+++ b/drivers/video/fbdev/matrox/g450_pll.c
@@ -333,11 +333,9 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
unsigned int *deltaarray)
{
unsigned int mnpcount;
- unsigned int pixel_vco;
const struct matrox_pll_limits* pi;
struct matrox_pll_cache* ci;
- pixel_vco = 0;
switch (pll) {
case M_PIXEL_PLL_A:
case M_PIXEL_PLL_B:
@@ -420,7 +418,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16;
mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8;
- pixel_vco = g450_mnp2vco(minfo, mnp);
matroxfb_DAC_unlock_irqrestore(flags);
}
pi = &minfo->limits.video;
@@ -441,25 +438,6 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
unsigned int delta;
vco = g450_mnp2vco(minfo, mnp);
-#if 0
- if (pll == M_VIDEO_PLL) {
- unsigned int big, small;
-
- if (vco < pixel_vco) {
- small = vco;
- big = pixel_vco;
- } else {
- small = pixel_vco;
- big = vco;
- }
- while (big > small) {
- big >>= 1;
- }
- if (big == small) {
- continue;
- }
- }
-#endif
delta = pll_freq_delta(fout, g450_vco2f(mnp, vco));
for (idx = mnpcount; idx > 0; idx--) {
/* == is important; due to nextpll algorithm we get
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h
index f85ad25659e5..759dee996af1 100644
--- a/drivers/video/fbdev/matrox/matroxfb_base.h
+++ b/drivers/video/fbdev/matrox/matroxfb_base.h
@@ -86,7 +86,7 @@
#ifdef DEBUG
#define dprintk(X...) printk(X)
#else
-#define dprintk(X...)
+#define dprintk(X...) no_printk(X)
#endif
#ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
index 42569264801f..d40b806461ca 100644
--- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
+++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c
@@ -184,7 +184,6 @@ static void mb86290fb_imageblit16(u32 *cmd, u16 step, u16 dx, u16 dy,
static void mb86290fb_imageblit(struct fb_info *info,
const struct fb_image *image)
{
- int mdr;
u32 *cmd = NULL;
void (*cmdfn) (u32 *, u16, u16, u16, u16, u16, u32, u32,
const struct fb_image *, struct fb_info *) = NULL;
@@ -196,7 +195,6 @@ static void mb86290fb_imageblit(struct fb_info *info,
u16 dx = image->dx, dy = image->dy;
int x2, y2, vxres, vyres;
- mdr = (GDC_ROP_COPY << 9);
x2 = image->dx + image->width;
y2 = image->dy + image->height;
vxres = info->var.xres_virtual;
diff --git a/drivers/video/fbdev/mx3fb.c b/drivers/video/fbdev/mx3fb.c
index 4af28e4421e5..603731a5a72e 100644
--- a/drivers/video/fbdev/mx3fb.c
+++ b/drivers/video/fbdev/mx3fb.c
@@ -509,7 +509,7 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel,
uint16_t h_start_width, uint16_t h_sync_width,
uint16_t h_end_width, uint16_t v_start_width,
uint16_t v_sync_width, uint16_t v_end_width,
- struct ipu_di_signal_cfg sig)
+ const struct ipu_di_signal_cfg *sig)
{
unsigned long lock_flags;
uint32_t reg;
@@ -591,17 +591,17 @@ static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel,
/* DI settings */
old_conf = mx3fb_read_reg(mx3fb, DI_DISP_IF_CONF) & 0x78FFFFFF;
- old_conf |= sig.datamask_en << DI_D3_DATAMSK_SHIFT |
- sig.clksel_en << DI_D3_CLK_SEL_SHIFT |
- sig.clkidle_en << DI_D3_CLK_IDLE_SHIFT;
+ old_conf |= sig->datamask_en << DI_D3_DATAMSK_SHIFT |
+ sig->clksel_en << DI_D3_CLK_SEL_SHIFT |
+ sig->clkidle_en << DI_D3_CLK_IDLE_SHIFT;
mx3fb_write_reg(mx3fb, old_conf, DI_DISP_IF_CONF);
old_conf = mx3fb_read_reg(mx3fb, DI_DISP_SIG_POL) & 0xE0FFFFFF;
- old_conf |= sig.data_pol << DI_D3_DATA_POL_SHIFT |
- sig.clk_pol << DI_D3_CLK_POL_SHIFT |
- sig.enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT |
- sig.Hsync_pol << DI_D3_HSYNC_POL_SHIFT |
- sig.Vsync_pol << DI_D3_VSYNC_POL_SHIFT;
+ old_conf |= sig->data_pol << DI_D3_DATA_POL_SHIFT |
+ sig->clk_pol << DI_D3_CLK_POL_SHIFT |
+ sig->enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT |
+ sig->Hsync_pol << DI_D3_HSYNC_POL_SHIFT |
+ sig->Vsync_pol << DI_D3_VSYNC_POL_SHIFT;
mx3fb_write_reg(mx3fb, old_conf, DI_DISP_SIG_POL);
map = &di_mappings[mx3fb->disp_data_fmt];
@@ -855,7 +855,7 @@ static int __set_par(struct fb_info *fbi, bool lock)
fbi->var.upper_margin,
fbi->var.vsync_len,
fbi->var.lower_margin +
- fbi->var.vsync_len, sig_cfg) != 0) {
+ fbi->var.vsync_len, &sig_cfg) != 0) {
dev_err(fbi->device,
"mx3fb: Error initializing panel.\n");
return -EINVAL;
diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c
index e8a304f84ea8..1a9d6242916e 100644
--- a/drivers/video/fbdev/omap/omapfb_main.c
+++ b/drivers/video/fbdev/omap/omapfb_main.c
@@ -1247,7 +1247,7 @@ static ssize_t omapfb_show_caps_num(struct device *dev,
size = 0;
while (size < PAGE_SIZE && plane < OMAPFB_PLANE_NUM) {
omapfb_get_caps(fbdev, plane, &caps);
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
"plane#%d %#010x %#010x %#010x\n",
plane, caps.ctrl, caps.plane_color, caps.wnd_color);
plane++;
@@ -1268,28 +1268,28 @@ static ssize_t omapfb_show_caps_text(struct device *dev,
size = 0;
while (size < PAGE_SIZE && plane < OMAPFB_PLANE_NUM) {
omapfb_get_caps(fbdev, plane, &caps);
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
"plane#%d:\n", plane);
for (i = 0; i < ARRAY_SIZE(ctrl_caps) &&
size < PAGE_SIZE; i++) {
if (ctrl_caps[i].flag & caps.ctrl)
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
" %s\n", ctrl_caps[i].name);
}
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
" plane colors:\n");
for (i = 0; i < ARRAY_SIZE(color_caps) &&
size < PAGE_SIZE; i++) {
if (color_caps[i].flag & caps.plane_color)
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
" %s\n", color_caps[i].name);
}
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
" window colors:\n");
for (i = 0; i < ARRAY_SIZE(color_caps) &&
size < PAGE_SIZE; i++) {
if (color_caps[i].flag & caps.wnd_color)
- size += snprintf(&buf[size], PAGE_SIZE - size,
+ size += scnprintf(&buf[size], PAGE_SIZE - size,
" %s\n", color_caps[i].name);
}
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
index ce37da85cc45..4a16798b2ecd 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
@@ -557,11 +557,6 @@ u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
-u32 dispc_wb_get_framedone_irq(void)
-{
- return DISPC_IRQ_FRAMEDONEWB;
-}
-
bool dispc_mgr_go_busy(enum omap_channel channel)
{
return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
@@ -579,30 +574,6 @@ void dispc_mgr_go(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_go);
-bool dispc_wb_go_busy(void)
-{
- return REG_GET(DISPC_CONTROL2, 6, 6) == 1;
-}
-
-void dispc_wb_go(void)
-{
- enum omap_plane plane = OMAP_DSS_WB;
- bool enable, go;
-
- enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
-
- if (!enable)
- return;
-
- go = REG_GET(DISPC_CONTROL2, 6, 6) == 1;
- if (go) {
- DSSERR("GO bit not down for WB\n");
- return;
- }
-
- REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6);
-}
-
static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
{
dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
@@ -1028,13 +999,6 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
}
}
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel)
-{
- enum omap_plane plane = OMAP_DSS_WB;
-
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
-}
-
static void dispc_ovl_set_burst_size(enum omap_plane plane,
enum omap_burst_size burst_size)
{
@@ -2805,74 +2769,6 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
}
EXPORT_SYMBOL(dispc_ovl_setup);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct omap_video_timings *mgr_timings)
-{
- int r;
- u32 l;
- enum omap_plane plane = OMAP_DSS_WB;
- const int pos_x = 0, pos_y = 0;
- const u8 zorder = 0, global_alpha = 0;
- const bool replication = false;
- bool truncation;
- int in_width = mgr_timings->x_res;
- int in_height = mgr_timings->y_res;
- enum omap_overlay_caps caps =
- OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
-
- DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, "
- "rot %d, mir %d\n", wi->paddr, wi->p_uv_addr, in_width,
- in_height, wi->width, wi->height, wi->color_mode, wi->rotation,
- wi->mirror);
-
- r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr,
- wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
- wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder,
- wi->pre_mult_alpha, global_alpha, wi->rotation_type,
- replication, mgr_timings, mem_to_mem);
-
- switch (wi->color_mode) {
- case OMAP_DSS_COLOR_RGB16:
- case OMAP_DSS_COLOR_RGB24P:
- case OMAP_DSS_COLOR_ARGB16:
- case OMAP_DSS_COLOR_RGBA16:
- case OMAP_DSS_COLOR_RGB12U:
- case OMAP_DSS_COLOR_ARGB16_1555:
- case OMAP_DSS_COLOR_XRGB16_1555:
- case OMAP_DSS_COLOR_RGBX16:
- truncation = true;
- break;
- default:
- truncation = false;
- break;
- }
-
- /* setup extra DISPC_WB_ATTRIBUTES */
- l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
- l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */
- l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */
- if (mem_to_mem)
- l = FLD_MOD(l, 1, 26, 24); /* CAPTUREMODE */
- else
- l = FLD_MOD(l, 0, 26, 24); /* CAPTUREMODE */
- dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
-
- if (mem_to_mem) {
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0);
- } else {
- int wbdelay;
-
- wbdelay = min(mgr_timings->vfp + mgr_timings->vsw +
- mgr_timings->vbp, 255);
-
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
- }
-
- return r;
-}
-
int dispc_ovl_enable(enum omap_plane plane, bool enable)
{
DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
@@ -2903,16 +2799,6 @@ bool dispc_mgr_is_enabled(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_is_enabled);
-void dispc_wb_enable(bool enable)
-{
- dispc_ovl_enable(OMAP_DSS_WB, enable);
-}
-
-bool dispc_wb_is_enabled(void)
-{
- return dispc_ovl_enabled(OMAP_DSS_WB);
-}
-
static void dispc_lcd_enable_signal_polarity(bool act_high)
{
if (!dss_has_feature(FEAT_LCDENABLEPOL))
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.h b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
index a2269008590f..21cfcbf74a6d 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.h
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
@@ -89,17 +89,6 @@ enum dss_dsi_content_type {
DSS_DSI_CONTENT_GENERIC,
};
-enum dss_writeback_channel {
- DSS_WB_LCD1_MGR = 0,
- DSS_WB_LCD2_MGR = 1,
- DSS_WB_TV_MGR = 2,
- DSS_WB_OVL0 = 3,
- DSS_WB_OVL1 = 4,
- DSS_WB_OVL2 = 5,
- DSS_WB_OVL3 = 6,
- DSS_WB_LCD3_MGR = 7,
-};
-
enum dss_pll_id {
DSS_PLL_DSI1,
DSS_PLL_DSI2,
@@ -403,15 +392,6 @@ int dispc_mgr_get_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo);
void dispc_set_tv_pclk(unsigned long pclk);
-u32 dispc_wb_get_framedone_irq(void);
-bool dispc_wb_go_busy(void);
-void dispc_wb_go(void);
-void dispc_wb_enable(bool enable);
-bool dispc_wb_is_enabled(void);
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct omap_video_timings *timings);
-
u32 dispc_read_irqstatus(void);
void dispc_clear_irqstatus(u32 mask);
u32 dispc_read_irqenable(void);
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/venc.c b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
index f81e2a46366d..d5404d56c922 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/venc.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
@@ -209,49 +209,6 @@ static const struct venc_config venc_config_ntsc_trm = {
.gen_ctrl = 0x00F90000,
};
-static const struct venc_config venc_config_pal_bdghi = {
- .f_control = 0,
- .vidout_ctrl = 0,
- .sync_ctrl = 0,
- .hfltr_ctrl = 0,
- .x_color = 0,
- .line21 = 0,
- .ln_sel = 21,
- .htrigger_vtrigger = 0,
- .tvdetgp_int_start_stop_x = 0x00140001,
- .tvdetgp_int_start_stop_y = 0x00010001,
- .gen_ctrl = 0x00FB0000,
-
- .llen = 864-1,
- .flens = 625-1,
- .cc_carr_wss_carr = 0x2F7625ED,
- .c_phase = 0xDF,
- .gain_u = 0x111,
- .gain_v = 0x181,
- .gain_y = 0x140,
- .black_level = 0x3e,
- .blank_level = 0x3e,
- .m_control = 0<<2 | 1<<1,
- .bstamp_wss_data = 0x42,
- .s_carr = 0x2a098acb,
- .l21__wc_ctl = 0<<13 | 0x16<<8 | 0<<0,
- .savid__eavid = 0x06A70108,
- .flen__fal = 23<<16 | 624<<0,
- .lal__phase_reset = 2<<17 | 310<<0,
- .hs_int_start_stop_x = 0x00920358,
- .hs_ext_start_stop_x = 0x000F035F,
- .vs_int_start_x = 0x1a7<<16,
- .vs_int_stop_x__vs_int_start_y = 0x000601A7,
- .vs_int_stop_y__vs_ext_start_x = 0x01AF0036,
- .vs_ext_stop_x__vs_ext_start_y = 0x27101af,
- .vs_ext_stop_y = 0x05,
- .avid_start_stop_x = 0x03530082,
- .avid_start_stop_y = 0x0270002E,
- .fid_int_start_x__fid_int_start_y = 0x0005008A,
- .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
- .fid_ext_start_y__fid_ext_offset_y = 0x01380005,
-};
-
const struct omap_video_timings omap_dss_pal_timings = {
.x_res = 720,
.y_res = 574,
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
index 56995f44e76d..f40be68d5aac 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb-ioctl.c
@@ -482,9 +482,6 @@ static int omapfb_memory_read(struct fb_info *fbi,
if (!display || !display->driver->memory_read)
return -ENOENT;
- if (!access_ok(mr->buffer, mr->buffer_size))
- return -EFAULT;
-
if (mr->w > 4096 || mr->h > 4096)
return -EINVAL;
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
index 4a5db170ef59..2d39dbfa742e 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb-sysfs.c
@@ -147,11 +147,11 @@ static ssize_t show_overlays(struct device *dev,
if (ovl == fbdev->overlays[ovlnum])
break;
- l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
+ l += scnprintf(buf + l, PAGE_SIZE - l, "%s%d",
t == 0 ? "" : ",", ovlnum);
}
- l += snprintf(buf + l, PAGE_SIZE - l, "\n");
+ l += scnprintf(buf + l, PAGE_SIZE - l, "\n");
omapfb_unlock(fbdev);
unlock_fb_info(fbi);
@@ -328,11 +328,11 @@ static ssize_t show_overlays_rotate(struct device *dev,
lock_fb_info(fbi);
for (t = 0; t < ofbi->num_overlays; t++) {
- l += snprintf(buf + l, PAGE_SIZE - l, "%s%d",
+ l += scnprintf(buf + l, PAGE_SIZE - l, "%s%d",
t == 0 ? "" : ",", ofbi->rotation[t]);
}
- l += snprintf(buf + l, PAGE_SIZE - l, "\n");
+ l += scnprintf(buf + l, PAGE_SIZE - l, "\n");
unlock_fb_info(fbi);
diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c
index fe2cadeb1b66..c7c98d8e2359 100644
--- a/drivers/video/fbdev/pm2fb.c
+++ b/drivers/video/fbdev/pm2fb.c
@@ -54,7 +54,7 @@
#define DPRINTK(a, b...) \
printk(KERN_DEBUG "pm2fb: %s: " a, __func__ , ## b)
#else
-#define DPRINTK(a, b...)
+#define DPRINTK(a, b...) no_printk(a, ##b)
#endif
#define PM2_PIXMAP_SIZE (1600 * 4)
diff --git a/drivers/video/fbdev/pm3fb.c b/drivers/video/fbdev/pm3fb.c
index 2f5e23c8f8ec..7497bd36334c 100644
--- a/drivers/video/fbdev/pm3fb.c
+++ b/drivers/video/fbdev/pm3fb.c
@@ -44,7 +44,7 @@
#define DPRINTK(a, b...) \
printk(KERN_DEBUG "pm3fb: %s: " a, __func__ , ## b)
#else
-#define DPRINTK(a, b...)
+#define DPRINTK(a, b...) no_printk(a, ##b)
#endif
#define PM3_PIXMAP_SIZE (2048 * 4)
@@ -306,7 +306,7 @@ static void pm3fb_init_engine(struct fb_info *info)
PM3PixelSize_GLOBAL_32BIT);
break;
default:
- DPRINTK(1, "Unsupported depth %d\n",
+ DPRINTK("Unsupported depth %d\n",
info->var.bits_per_pixel);
break;
}
@@ -349,8 +349,8 @@ static void pm3fb_init_engine(struct fb_info *info)
(1 << 10) | (0 << 3));
break;
default:
- DPRINTK(1, "Unsupported depth %d\n",
- info->current_par->depth);
+ DPRINTK("Unsupported depth %d\n",
+ info->var.bits_per_pixel);
break;
}
}
diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c
index aef8a3042590..eedfbd3572a8 100644
--- a/drivers/video/fbdev/pxa168fb.c
+++ b/drivers/video/fbdev/pxa168fb.c
@@ -557,12 +557,11 @@ static const struct fb_ops pxa168fb_ops = {
.fb_imageblit = cfb_imageblit,
};
-static int pxa168fb_init_mode(struct fb_info *info,
+static void pxa168fb_init_mode(struct fb_info *info,
struct pxa168fb_mach_info *mi)
{
struct pxa168fb_info *fbi = info->par;
struct fb_var_screeninfo *var = &info->var;
- int ret = 0;
u32 total_w, total_h, refresh;
u64 div_result;
const struct fb_videomode *m;
@@ -593,8 +592,6 @@ static int pxa168fb_init_mode(struct fb_info *info,
div_result = 1000000000000ll;
do_div(div_result, total_w * total_h * refresh);
var->pixclock = (u32)div_result;
-
- return ret;
}
static int pxa168fb_probe(struct platform_device *pdev)
diff --git a/drivers/video/fbdev/riva/riva_hw.c b/drivers/video/fbdev/riva/riva_hw.c
index 0601c13f2105..08c9ee46978e 100644
--- a/drivers/video/fbdev/riva/riva_hw.c
+++ b/drivers/video/fbdev/riva/riva_hw.c
@@ -1343,24 +1343,6 @@ int CalcStateExt
/*
* Load fixed function state and pre-calculated/stored state.
*/
-#if 0
-#define LOAD_FIXED_STATE(tbl,dev) \
- for (i = 0; i < sizeof(tbl##Table##dev)/8; i++) \
- chip->dev[tbl##Table##dev[i][0]] = tbl##Table##dev[i][1]
-#define LOAD_FIXED_STATE_8BPP(tbl,dev) \
- for (i = 0; i < sizeof(tbl##Table##dev##_8BPP)/8; i++) \
- chip->dev[tbl##Table##dev##_8BPP[i][0]] = tbl##Table##dev##_8BPP[i][1]
-#define LOAD_FIXED_STATE_15BPP(tbl,dev) \
- for (i = 0; i < sizeof(tbl##Table##dev##_15BPP)/8; i++) \
- chip->dev[tbl##Table##dev##_15BPP[i][0]] = tbl##Table##dev##_15BPP[i][1]
-#define LOAD_FIXED_STATE_16BPP(tbl,dev) \
- for (i = 0; i < sizeof(tbl##Table##dev##_16BPP)/8; i++) \
- chip->dev[tbl##Table##dev##_16BPP[i][0]] = tbl##Table##dev##_16BPP[i][1]
-#define LOAD_FIXED_STATE_32BPP(tbl,dev) \
- for (i = 0; i < sizeof(tbl##Table##dev##_32BPP)/8; i++) \
- chip->dev[tbl##Table##dev##_32BPP[i][0]] = tbl##Table##dev##_32BPP[i][1]
-#endif
-
#define LOAD_FIXED_STATE(tbl,dev) \
for (i = 0; i < sizeof(tbl##Table##dev)/8; i++) \
NV_WR32(&chip->dev[tbl##Table##dev[i][0]], 0, tbl##Table##dev[i][1])
diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c
index eaea8c373753..4541afcf9386 100644
--- a/drivers/video/fbdev/s1d13xxxfb.c
+++ b/drivers/video/fbdev/s1d13xxxfb.c
@@ -721,9 +721,7 @@ static void s1d13xxxfb_fetch_hw_state(struct fb_info *info)
xres, yres, xres_virtual, yres_virtual, is_color, is_dual, is_tft);
}
-
-static int
-s1d13xxxfb_remove(struct platform_device *pdev)
+static void __s1d13xxxfb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
struct s1d13xxxfb_par *par = NULL;
@@ -749,6 +747,14 @@ s1d13xxxfb_remove(struct platform_device *pdev)
resource_size(&pdev->resource[0]));
release_mem_region(pdev->resource[1].start,
resource_size(&pdev->resource[1]));
+}
+
+static int s1d13xxxfb_remove(struct platform_device *pdev)
+{
+ struct fb_info *info = platform_get_drvdata(pdev);
+
+ unregister_framebuffer(info);
+ __s1d13xxxfb_remove(pdev);
return 0;
}
@@ -895,7 +901,7 @@ static int s1d13xxxfb_probe(struct platform_device *pdev)
return 0;
bail:
- s1d13xxxfb_remove(pdev);
+ __s1d13xxxfb_remove(pdev);
return ret;
}
diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c
index 2d285cc384cf..3e6e13f7a831 100644
--- a/drivers/video/fbdev/sa1100fb.c
+++ b/drivers/video/fbdev/sa1100fb.c
@@ -173,7 +173,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/cpufreq.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/mutex.h>
@@ -799,8 +799,8 @@ static void sa1100fb_enable_controller(struct sa1100fb_info *fbi)
writel_relaxed(fbi->dbar2, fbi->base + DBAR2);
writel_relaxed(fbi->reg_lccr0 | LCCR0_LEN, fbi->base + LCCR0);
- if (machine_is_shannon())
- gpio_set_value(SHANNON_GPIO_DISP_EN, 1);
+ if (fbi->shannon_lcden)
+ gpiod_set_value(fbi->shannon_lcden, 1);
dev_dbg(fbi->dev, "DBAR1: 0x%08x\n", readl_relaxed(fbi->base + DBAR1));
dev_dbg(fbi->dev, "DBAR2: 0x%08x\n", readl_relaxed(fbi->base + DBAR2));
@@ -817,8 +817,8 @@ static void sa1100fb_disable_controller(struct sa1100fb_info *fbi)
dev_dbg(fbi->dev, "Disabling LCD controller\n");
- if (machine_is_shannon())
- gpio_set_value(SHANNON_GPIO_DISP_EN, 0);
+ if (fbi->shannon_lcden)
+ gpiod_set_value(fbi->shannon_lcden, 0);
set_current_state(TASK_UNINTERRUPTIBLE);
add_wait_queue(&fbi->ctrlr_wait, &wait);
@@ -1173,12 +1173,10 @@ static int sa1100fb_probe(struct platform_device *pdev)
return ret;
}
- if (machine_is_shannon()) {
- ret = devm_gpio_request_one(&pdev->dev, SHANNON_GPIO_DISP_EN,
- GPIOF_OUT_INIT_LOW, "display enable");
- if (ret)
- return ret;
- }
+ fbi->shannon_lcden = gpiod_get_optional(&pdev->dev, "shannon-lcden",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(fbi->shannon_lcden))
+ return PTR_ERR(fbi->shannon_lcden);
/* Initialize video memory */
ret = sa1100fb_map_video_memory(fbi);
diff --git a/drivers/video/fbdev/sa1100fb.h b/drivers/video/fbdev/sa1100fb.h
index d0aa33b0b88a..b4363444fa5d 100644
--- a/drivers/video/fbdev/sa1100fb.h
+++ b/drivers/video/fbdev/sa1100fb.h
@@ -10,6 +10,8 @@
* for more details.
*/
+struct gpio_desc;
+
#define LCCR0 0x0000 /* LCD Control Reg. 0 */
#define LCSR 0x0004 /* LCD Status Reg. */
#define DBAR1 0x0010 /* LCD DMA Base Address Reg. channel 1 */
@@ -33,6 +35,7 @@ struct sa1100fb_info {
struct device *dev;
const struct sa1100fb_rgb *rgb[NR_RGB];
void __iomem *base;
+ struct gpio_desc *shannon_lcden;
/*
* These are the addresses we mapped
diff --git a/drivers/video/fbdev/savage/savagefb.h b/drivers/video/fbdev/savage/savagefb.h
index aba04afe712d..3314d5b6b43b 100644
--- a/drivers/video/fbdev/savage/savagefb.h
+++ b/drivers/video/fbdev/savage/savagefb.h
@@ -21,7 +21,7 @@
#ifdef SAVAGEFB_DEBUG
# define DBG(x) printk (KERN_DEBUG "savagefb: %s\n", (x));
#else
-# define DBG(x)
+# define DBG(x) no_printk(x)
# define SavagePrintRegs(...)
#endif
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index 12fa1050f3eb..8e06ba912d60 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -12,8 +12,7 @@
#include <linux/i2c.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/property.h>
#include <linux/pwm.h>
#include <linux/uaccess.h>
#include <linux/regulator/consumer.h>
@@ -49,8 +48,6 @@
static u_int refreshrate = REFRESHRATE;
module_param(refreshrate, uint, 0);
-struct ssd1307fb_par;
-
struct ssd1307fb_deviceinfo {
u32 default_vcomh;
u32 default_dclk_div;
@@ -80,7 +77,6 @@ struct ssd1307fb_par {
u32 prechargep1;
u32 prechargep2;
struct pwm_device *pwm;
- u32 pwm_period;
struct gpio_desc *reset;
struct regulator *vbat_reg;
u32 vcomh;
@@ -298,9 +294,9 @@ static void ssd1307fb_deferred_io(struct fb_info *info,
static int ssd1307fb_init(struct ssd1307fb_par *par)
{
+ struct pwm_state pwmstate;
int ret;
u32 precharge, dclk, com_invdir, compins;
- struct pwm_args pargs;
if (par->device_info->need_pwm) {
par->pwm = pwm_get(&par->client->dev, NULL);
@@ -309,21 +305,15 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
return PTR_ERR(par->pwm);
}
- /*
- * FIXME: pwm_apply_args() should be removed when switching to
- * the atomic PWM API.
- */
- pwm_apply_args(par->pwm);
-
- pwm_get_args(par->pwm, &pargs);
+ pwm_init_state(par->pwm, &pwmstate);
+ pwm_set_relative_duty_cycle(&pwmstate, 50, 100);
+ pwm_apply_state(par->pwm, &pwmstate);
- par->pwm_period = pargs.period;
/* Enable the PWM */
- pwm_config(par->pwm, par->pwm_period / 2, par->pwm_period);
pwm_enable(par->pwm);
dev_dbg(&par->client->dev, "Using PWM%d with a %dns period.\n",
- par->pwm->pwm, par->pwm_period);
+ par->pwm->pwm, pwm_get_period(par->pwm));
}
/* Set initial contrast */
@@ -586,25 +576,19 @@ static const struct of_device_id ssd1307fb_of_match[] = {
};
MODULE_DEVICE_TABLE(of, ssd1307fb_of_match);
-static int ssd1307fb_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int ssd1307fb_probe(struct i2c_client *client)
{
+ struct device *dev = &client->dev;
struct backlight_device *bl;
char bl_name[12];
struct fb_info *info;
- struct device_node *node = client->dev.of_node;
struct fb_deferred_io *ssd1307fb_defio;
u32 vmem_size;
struct ssd1307fb_par *par;
void *vmem;
int ret;
- if (!node) {
- dev_err(&client->dev, "No device tree data found!\n");
- return -EINVAL;
- }
-
- info = framebuffer_alloc(sizeof(struct ssd1307fb_par), &client->dev);
+ info = framebuffer_alloc(sizeof(struct ssd1307fb_par), dev);
if (!info)
return -ENOMEM;
@@ -612,67 +596,65 @@ static int ssd1307fb_probe(struct i2c_client *client,
par->info = info;
par->client = client;
- par->device_info = of_device_get_match_data(&client->dev);
+ par->device_info = device_get_match_data(dev);
- par->reset = devm_gpiod_get_optional(&client->dev, "reset",
- GPIOD_OUT_LOW);
+ par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(par->reset)) {
- dev_err(&client->dev, "failed to get reset gpio: %ld\n",
+ dev_err(dev, "failed to get reset gpio: %ld\n",
PTR_ERR(par->reset));
ret = PTR_ERR(par->reset);
goto fb_alloc_error;
}
- par->vbat_reg = devm_regulator_get_optional(&client->dev, "vbat");
+ par->vbat_reg = devm_regulator_get_optional(dev, "vbat");
if (IS_ERR(par->vbat_reg)) {
ret = PTR_ERR(par->vbat_reg);
if (ret == -ENODEV) {
par->vbat_reg = NULL;
} else {
- dev_err(&client->dev, "failed to get VBAT regulator: %d\n",
- ret);
+ dev_err(dev, "failed to get VBAT regulator: %d\n", ret);
goto fb_alloc_error;
}
}
- if (of_property_read_u32(node, "solomon,width", &par->width))
+ if (device_property_read_u32(dev, "solomon,width", &par->width))
par->width = 96;
- if (of_property_read_u32(node, "solomon,height", &par->height))
+ if (device_property_read_u32(dev, "solomon,height", &par->height))
par->height = 16;
- if (of_property_read_u32(node, "solomon,page-offset", &par->page_offset))
+ if (device_property_read_u32(dev, "solomon,page-offset", &par->page_offset))
par->page_offset = 1;
- if (of_property_read_u32(node, "solomon,com-offset", &par->com_offset))
+ if (device_property_read_u32(dev, "solomon,com-offset", &par->com_offset))
par->com_offset = 0;
- if (of_property_read_u32(node, "solomon,prechargep1", &par->prechargep1))
+ if (device_property_read_u32(dev, "solomon,prechargep1", &par->prechargep1))
par->prechargep1 = 2;
- if (of_property_read_u32(node, "solomon,prechargep2", &par->prechargep2))
+ if (device_property_read_u32(dev, "solomon,prechargep2", &par->prechargep2))
par->prechargep2 = 2;
- if (!of_property_read_u8_array(node, "solomon,lookup-table",
- par->lookup_table,
- ARRAY_SIZE(par->lookup_table)))
+ if (!device_property_read_u8_array(dev, "solomon,lookup-table",
+ par->lookup_table,
+ ARRAY_SIZE(par->lookup_table)))
par->lookup_table_set = 1;
- par->seg_remap = !of_property_read_bool(node, "solomon,segment-no-remap");
- par->com_seq = of_property_read_bool(node, "solomon,com-seq");
- par->com_lrremap = of_property_read_bool(node, "solomon,com-lrremap");
- par->com_invdir = of_property_read_bool(node, "solomon,com-invdir");
+ par->seg_remap = !device_property_read_bool(dev, "solomon,segment-no-remap");
+ par->com_seq = device_property_read_bool(dev, "solomon,com-seq");
+ par->com_lrremap = device_property_read_bool(dev, "solomon,com-lrremap");
+ par->com_invdir = device_property_read_bool(dev, "solomon,com-invdir");
par->area_color_enable =
- of_property_read_bool(node, "solomon,area-color-enable");
- par->low_power = of_property_read_bool(node, "solomon,low-power");
+ device_property_read_bool(dev, "solomon,area-color-enable");
+ par->low_power = device_property_read_bool(dev, "solomon,low-power");
par->contrast = 127;
par->vcomh = par->device_info->default_vcomh;
/* Setup display timing */
- if (of_property_read_u32(node, "solomon,dclk-div", &par->dclk_div))
+ if (device_property_read_u32(dev, "solomon,dclk-div", &par->dclk_div))
par->dclk_div = par->device_info->default_dclk_div;
- if (of_property_read_u32(node, "solomon,dclk-frq", &par->dclk_frq))
+ if (device_property_read_u32(dev, "solomon,dclk-frq", &par->dclk_frq))
par->dclk_frq = par->device_info->default_dclk_frq;
vmem_size = DIV_ROUND_UP(par->width, 8) * par->height;
@@ -680,15 +662,15 @@ static int ssd1307fb_probe(struct i2c_client *client,
vmem = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(vmem_size));
if (!vmem) {
- dev_err(&client->dev, "Couldn't allocate graphical memory.\n");
+ dev_err(dev, "Couldn't allocate graphical memory.\n");
ret = -ENOMEM;
goto fb_alloc_error;
}
- ssd1307fb_defio = devm_kzalloc(&client->dev, sizeof(*ssd1307fb_defio),
+ ssd1307fb_defio = devm_kzalloc(dev, sizeof(*ssd1307fb_defio),
GFP_KERNEL);
if (!ssd1307fb_defio) {
- dev_err(&client->dev, "Couldn't allocate deferred io.\n");
+ dev_err(dev, "Couldn't allocate deferred io.\n");
ret = -ENOMEM;
goto fb_alloc_error;
}
@@ -726,8 +708,7 @@ static int ssd1307fb_probe(struct i2c_client *client,
if (par->vbat_reg) {
ret = regulator_enable(par->vbat_reg);
if (ret) {
- dev_err(&client->dev, "failed to enable VBAT: %d\n",
- ret);
+ dev_err(dev, "failed to enable VBAT: %d\n", ret);
goto reset_oled_error;
}
}
@@ -738,17 +719,16 @@ static int ssd1307fb_probe(struct i2c_client *client,
ret = register_framebuffer(info);
if (ret) {
- dev_err(&client->dev, "Couldn't register the framebuffer\n");
+ dev_err(dev, "Couldn't register the framebuffer\n");
goto panel_init_error;
}
snprintf(bl_name, sizeof(bl_name), "ssd1307fb%d", info->node);
- bl = backlight_device_register(bl_name, &client->dev, par,
- &ssd1307fb_bl_ops, NULL);
+ bl = backlight_device_register(bl_name, dev, par, &ssd1307fb_bl_ops,
+ NULL);
if (IS_ERR(bl)) {
ret = PTR_ERR(bl);
- dev_err(&client->dev, "unable to register backlight device: %d\n",
- ret);
+ dev_err(dev, "unable to register backlight device: %d\n", ret);
goto bl_init_error;
}
@@ -756,7 +736,7 @@ static int ssd1307fb_probe(struct i2c_client *client,
bl->props.max_brightness = MAX_CONTRAST;
info->bl_dev = bl;
- dev_info(&client->dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n", info->node, info->fix.id, vmem_size);
+ dev_info(dev, "fb%d: %s framebuffer device registered, using %d bytes of video memory\n", info->node, info->fix.id, vmem_size);
return 0;
@@ -810,7 +790,7 @@ static const struct i2c_device_id ssd1307fb_i2c_id[] = {
MODULE_DEVICE_TABLE(i2c, ssd1307fb_i2c_id);
static struct i2c_driver ssd1307fb_driver = {
- .probe = ssd1307fb_probe,
+ .probe_new = ssd1307fb_probe,
.remove = ssd1307fb_remove,
.id_table = ssd1307fb_i2c_id,
.driver = {
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 07905d385949..5b014b479f83 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -64,9 +64,9 @@ static const struct usb_device_id id_table[] = {
MODULE_DEVICE_TABLE(usb, id_table);
/* module options */
-static bool console = 1; /* Allow fbcon to open framebuffer */
-static bool fb_defio = 1; /* Detect mmap writes using page faults */
-static bool shadow = 1; /* Optionally disable shadow framebuffer */
+static bool console = true; /* Allow fbcon to open framebuffer */
+static bool fb_defio = true; /* Detect mmap writes using page faults */
+static bool shadow = true; /* Optionally disable shadow framebuffer */
static int pixel_limit; /* Optionally force a pixel resolution limit */
struct dlfb_deferred_free {
diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 53d08d1b56f5..bee29aadc646 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -45,7 +45,7 @@ static const struct fb_fix_screeninfo uvesafb_fix = {
};
static int mtrr = 3; /* enable mtrr by default */
-static bool blank = 1; /* enable blanking by default */
+static bool blank = true; /* enable blanking by default */
static int ypan = 1; /* 0: scroll, 1: ypan, 2: ywrap */
static bool pmi_setpal = true; /* use PMI for palette changes */
static bool nocrtc; /* ignore CRTC settings */
@@ -1560,7 +1560,7 @@ static ssize_t uvesafb_show_vbe_modes(struct device *dev,
int ret = 0, i;
for (i = 0; i < par->vbe_modes_cnt && ret < PAGE_SIZE; i++) {
- ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ ret += scnprintf(buf + ret, PAGE_SIZE - ret,
"%dx%d-%d, 0x%.4x\n",
par->vbe_modes[i].x_res, par->vbe_modes[i].y_res,
par->vbe_modes[i].depth, par->vbe_modes[i].mode_id);
@@ -1824,19 +1824,19 @@ static int uvesafb_setup(char *options)
else if (!strcmp(this_opt, "ywrap"))
ypan = 2;
else if (!strcmp(this_opt, "vgapal"))
- pmi_setpal = 0;
+ pmi_setpal = false;
else if (!strcmp(this_opt, "pmipal"))
- pmi_setpal = 1;
+ pmi_setpal = true;
else if (!strncmp(this_opt, "mtrr:", 5))
mtrr = simple_strtoul(this_opt+5, NULL, 0);
else if (!strcmp(this_opt, "nomtrr"))
mtrr = 0;
else if (!strcmp(this_opt, "nocrtc"))
- nocrtc = 1;
+ nocrtc = true;
else if (!strcmp(this_opt, "noedid"))
- noedid = 1;
+ noedid = true;
else if (!strcmp(this_opt, "noblank"))
- blank = 0;
+ blank = true;
else if (!strncmp(this_opt, "vtotal:", 7))
vram_total = simple_strtoul(this_opt + 7, NULL, 0);
else if (!strncmp(this_opt, "vremap:", 7))
diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c
index 4d20c4603e5a..8425afe37d7c 100644
--- a/drivers/video/fbdev/valkyriefb.c
+++ b/drivers/video/fbdev/valkyriefb.c
@@ -331,7 +331,7 @@ int __init valkyriefb_init(void)
struct resource r;
dp = of_find_node_by_name(NULL, "valkyrie");
- if (dp == 0)
+ if (!dp)
return 0;
if (of_address_to_resource(dp, 0, &r)) {
@@ -345,7 +345,7 @@ int __init valkyriefb_init(void)
#endif /* ppc (!CONFIG_MAC) */
p = kzalloc(sizeof(*p), GFP_ATOMIC);
- if (p == 0)
+ if (!p)
return -ENOMEM;
/* Map in frame buffer and registers */
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
index a1fe24ea869b..df6de5a9dd4c 100644
--- a/drivers/video/fbdev/vesafb.c
+++ b/drivers/video/fbdev/vesafb.c
@@ -32,6 +32,7 @@
struct vesafb_par {
u32 pseudo_palette[256];
int wc_cookie;
+ struct resource *region;
};
static struct fb_var_screeninfo vesafb_defined = {
@@ -411,7 +412,7 @@ static int vesafb_probe(struct platform_device *dev)
/* request failure does not faze us, as vgacon probably has this
* region already (FIXME) */
- request_region(0x3c0, 32, "vesafb");
+ par->region = request_region(0x3c0, 32, "vesafb");
if (mtrr == 3) {
unsigned int temp_size = size_total;
@@ -439,7 +440,7 @@ static int vesafb_probe(struct platform_device *dev)
"vesafb: abort, cannot ioremap video memory 0x%x @ 0x%lx\n",
vesafb_fix.smem_len, vesafb_fix.smem_start);
err = -EIO;
- goto err;
+ goto err_release_region;
}
printk(KERN_INFO "vesafb: framebuffer at 0x%lx, mapped to 0x%p, "
@@ -458,19 +459,22 @@ static int vesafb_probe(struct platform_device *dev)
if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {
err = -ENOMEM;
- goto err;
+ goto err_release_region;
}
if (register_framebuffer(info)<0) {
err = -EINVAL;
fb_dealloc_cmap(&info->cmap);
- goto err;
+ goto err_release_region;
}
fb_info(info, "%s frame buffer device\n", info->fix.id);
return 0;
-err:
+err_release_region:
arch_phys_wc_del(par->wc_cookie);
if (info->screen_base)
iounmap(info->screen_base);
+ if (par->region)
+ release_region(0x3c0, 32);
+err:
framebuffer_release(info);
release_mem_region(vesafb_fix.smem_start, size_total);
return err;
@@ -481,6 +485,8 @@ static int vesafb_remove(struct platform_device *pdev)
struct fb_info *info = platform_get_drvdata(pdev);
unregister_framebuffer(info);
+ if (((struct vesafb_par *)(info->par))->region)
+ release_region(0x3c0, 32);
framebuffer_release(info);
return 0;
diff --git a/drivers/video/fbdev/via/debug.h b/drivers/video/fbdev/via/debug.h
index 6a320bd76936..80fdfe4171c5 100644
--- a/drivers/video/fbdev/via/debug.h
+++ b/drivers/video/fbdev/via/debug.h
@@ -7,6 +7,8 @@
#ifndef __DEBUG_H__
#define __DEBUG_H__
+#include <linux/printk.h>
+
#ifndef VIAFB_DEBUG
#define VIAFB_DEBUG 0
#endif
@@ -14,14 +16,14 @@
#if VIAFB_DEBUG
#define DEBUG_MSG(f, a...) printk(f, ## a)
#else
-#define DEBUG_MSG(f, a...)
+#define DEBUG_MSG(f, a...) no_printk(f, ## a)
#endif
#define VIAFB_WARN 0
#if VIAFB_WARN
#define WARN_MSG(f, a...) printk(f, ## a)
#else
-#define WARN_MSG(f, a...)
+#define WARN_MSG(f, a...) no_printk(f, ## a)
#endif
#endif /* __DEBUG_H__ */
diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c
index 852673c40a2f..22deb340a048 100644
--- a/drivers/video/fbdev/via/viafbdev.c
+++ b/drivers/video/fbdev/via/viafbdev.c
@@ -1144,7 +1144,7 @@ static ssize_t viafb_dvp0_proc_write(struct file *file,
if (value != NULL) {
if (kstrtou8(value, 0, &reg_val) < 0)
return -EINVAL;
- DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
+ DEBUG_MSG(KERN_INFO "DVP0:reg_val[%lu]=:%x\n", i,
reg_val);
switch (i) {
case 0:
diff --git a/drivers/video/fbdev/vt8500lcdfb.c b/drivers/video/fbdev/vt8500lcdfb.c
index f744479dc7df..c61476247ba8 100644
--- a/drivers/video/fbdev/vt8500lcdfb.c
+++ b/drivers/video/fbdev/vt8500lcdfb.c
@@ -230,6 +230,7 @@ static int vt8500lcd_blank(int blank, struct fb_info *info)
info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR)
for (i = 0; i < 256; i++)
vt8500lcd_setcolreg(i, 0, 0, 0, 0, info);
+ fallthrough;
case FB_BLANK_UNBLANK:
if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR ||
info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR)
diff --git a/drivers/video/fbdev/w100fb.c b/drivers/video/fbdev/w100fb.c
index 2d6e2738b792..d96ab28f8ce4 100644
--- a/drivers/video/fbdev/w100fb.c
+++ b/drivers/video/fbdev/w100fb.c
@@ -588,6 +588,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par)
memsize=par->mach->mem->size;
memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_extmem, memsize);
vfree(par->saved_extmem);
+ par->saved_extmem = NULL;
}
if (par->saved_intmem) {
memsize=MEM_INT_SIZE;
@@ -596,6 +597,7 @@ static void w100fb_restore_vidmem(struct w100fb_par *par)
else
memcpy_toio(remapped_fbuf + (W100_FB_BASE-MEM_WINDOW_BASE), par->saved_intmem, memsize);
vfree(par->saved_intmem);
+ par->saved_intmem = NULL;
}
}
diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c
index 856a8c4e84a2..e70792b3e367 100644
--- a/drivers/video/hdmi.c
+++ b/drivers/video/hdmi.c
@@ -1768,20 +1768,21 @@ hdmi_vendor_any_infoframe_unpack(union hdmi_vendor_any_infoframe *frame,
}
/**
- * hdmi_drm_infoframe_unpack() - unpack binary buffer to a HDMI DRM infoframe
+ * hdmi_drm_infoframe_unpack_only() - unpack binary buffer of CTA-861-G DRM
+ * infoframe DataBytes to a HDMI DRM
+ * infoframe
* @frame: HDMI DRM infoframe
* @buffer: source buffer
* @size: size of buffer
*
- * Unpacks the information contained in binary @buffer into a structured
- * @frame of the HDMI Dynamic Range and Mastering (DRM) information frame.
- * Also verifies the checksum as required by section 5.3.5 of the HDMI 1.4
- * specification.
+ * Unpacks CTA-861-G DRM infoframe DataBytes contained in the binary @buffer
+ * into a structured @frame of the HDMI Dynamic Range and Mastering (DRM)
+ * infoframe.
*
* Returns 0 on success or a negative error code on failure.
*/
-static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame,
- const void *buffer, size_t size)
+int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame,
+ const void *buffer, size_t size)
{
const u8 *ptr = buffer;
const u8 *temp;
@@ -1790,23 +1791,13 @@ static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame,
int ret;
int i;
- if (size < HDMI_INFOFRAME_SIZE(DRM))
- return -EINVAL;
-
- if (ptr[0] != HDMI_INFOFRAME_TYPE_DRM ||
- ptr[1] != 1 ||
- ptr[2] != HDMI_DRM_INFOFRAME_SIZE)
- return -EINVAL;
-
- if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(DRM)) != 0)
+ if (size < HDMI_DRM_INFOFRAME_SIZE)
return -EINVAL;
ret = hdmi_drm_infoframe_init(frame);
if (ret)
return ret;
- ptr += HDMI_INFOFRAME_HEADER_SIZE;
-
frame->eotf = ptr[0] & 0x7;
frame->metadata_type = ptr[1] & 0x7;
@@ -1814,7 +1805,7 @@ static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame,
for (i = 0; i < 3; i++) {
x_lsb = *temp++;
x_msb = *temp++;
- frame->display_primaries[i].x = (x_msb << 8) | x_lsb;
+ frame->display_primaries[i].x = (x_msb << 8) | x_lsb;
y_lsb = *temp++;
y_msb = *temp++;
frame->display_primaries[i].y = (y_msb << 8) | y_lsb;
@@ -1830,6 +1821,42 @@ static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame,
return 0;
}
+EXPORT_SYMBOL(hdmi_drm_infoframe_unpack_only);
+
+/**
+ * hdmi_drm_infoframe_unpack() - unpack binary buffer to a HDMI DRM infoframe
+ * @frame: HDMI DRM infoframe
+ * @buffer: source buffer
+ * @size: size of buffer
+ *
+ * Unpacks the CTA-861-G DRM infoframe contained in the binary @buffer into
+ * a structured @frame of the HDMI Dynamic Range and Mastering (DRM)
+ * infoframe. It also verifies the checksum as required by section 5.3.5 of
+ * the HDMI 1.4 specification.
+ *
+ * Returns 0 on success or a negative error code on failure.
+ */
+static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame,
+ const void *buffer, size_t size)
+{
+ const u8 *ptr = buffer;
+ int ret;
+
+ if (size < HDMI_INFOFRAME_SIZE(DRM))
+ return -EINVAL;
+
+ if (ptr[0] != HDMI_INFOFRAME_TYPE_DRM ||
+ ptr[1] != 1 ||
+ ptr[2] != HDMI_DRM_INFOFRAME_SIZE)
+ return -EINVAL;
+
+ if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(DRM)) != 0)
+ return -EINVAL;
+
+ ret = hdmi_drm_infoframe_unpack_only(frame, ptr + HDMI_INFOFRAME_HEADER_SIZE,
+ size - HDMI_INFOFRAME_HEADER_SIZE);
+ return ret;
+}
/**
* hdmi_infoframe_unpack() - unpack binary buffer to a HDMI infoframe
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 2bbf94b15bba..69a32dfc318a 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -45,7 +45,7 @@ config VIRTIO_PCI_LEGACY
config VIRTIO_VDPA
tristate "vDPA driver for virtio devices"
- select VDPA
+ depends on VDPA
select VIRTIO
help
This driver provides support for virtio based paravirtual
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 0ef16566c3f3..51086a5afdd4 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -165,7 +165,7 @@ static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)
}
-int virtballoon_free_page_report(struct page_reporting_dev_info *pr_dev_info,
+static int virtballoon_free_page_report(struct page_reporting_dev_info *pr_dev_info,
struct scatterlist *sg, unsigned int nents)
{
struct virtio_balloon *vb =
@@ -580,7 +580,7 @@ static u32 virtio_balloon_cmd_id_received(struct virtio_balloon *vb)
if (test_and_clear_bit(VIRTIO_BALLOON_CONFIG_READ_CMD_ID,
&vb->config_read_bitmap))
virtio_cread(vb->vdev, struct virtio_balloon_config,
- free_page_report_cmd_id,
+ free_page_hint_cmd_id,
&vb->cmd_id_received_cache);
return vb->cmd_id_received_cache;
diff --git a/drivers/virtio/virtio_input.c b/drivers/virtio/virtio_input.c
index 5ae529671b3d..efaf65b0f42d 100644
--- a/drivers/virtio/virtio_input.c
+++ b/drivers/virtio/virtio_input.c
@@ -3,6 +3,7 @@
#include <linux/virtio.h>
#include <linux/virtio_config.h>
#include <linux/input.h>
+#include <linux/slab.h>
#include <uapi/linux/virtio_ids.h>
#include <uapi/linux/virtio_input.h>
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0663c604bd64..b739c476955b 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -1217,6 +1217,7 @@ config ITCO_WDT
depends on (X86 || IA64) && PCI
select WATCHDOG_CORE
depends on I2C || I2C=n
+ depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT
select LPC_ICH if !EXPERT
select I2C_I801 if !EXPERT && I2C
---help---
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index e707c4797f76..a370a185a41c 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -64,6 +64,7 @@
#include <linux/uaccess.h> /* For copy_to_user/put_user/... */
#include <linux/io.h> /* For inb/outb/... */
#include <linux/platform_data/itco_wdt.h>
+#include <linux/mfd/intel_pmc_bxt.h>
#include "iTCO_vendor.h"
@@ -233,12 +234,24 @@ static int update_no_reboot_bit_cnt(void *priv, bool set)
return val != newval ? -EIO : 0;
}
+static int update_no_reboot_bit_pmc(void *priv, bool set)
+{
+ struct intel_pmc_dev *pmc = priv;
+ u32 bits = PMC_CFG_NO_REBOOT_EN;
+ u32 value = set ? bits : 0;
+
+ return intel_pmc_gcr_update(pmc, PMC_GCR_PMC_CFG_REG, bits, value);
+}
+
static void iTCO_wdt_no_reboot_bit_setup(struct iTCO_wdt_private *p,
- struct itco_wdt_platform_data *pdata)
+ struct platform_device *pdev,
+ struct itco_wdt_platform_data *pdata)
{
- if (pdata->update_no_reboot_bit) {
- p->update_no_reboot_bit = pdata->update_no_reboot_bit;
- p->no_reboot_priv = pdata->no_reboot_priv;
+ if (pdata->no_reboot_use_pmc) {
+ struct intel_pmc_dev *pmc = dev_get_drvdata(pdev->dev.parent);
+
+ p->update_no_reboot_bit = update_no_reboot_bit_pmc;
+ p->no_reboot_priv = pmc;
return;
}
@@ -478,14 +491,14 @@ static int iTCO_wdt_probe(struct platform_device *pdev)
return -ENODEV;
}
- iTCO_wdt_no_reboot_bit_setup(p, pdata);
+ iTCO_wdt_no_reboot_bit_setup(p, pdev, pdata);
/*
* Get the Memory-Mapped GCS or PMC register, we need it for the
* NO_REBOOT flag (TCO v2 and v3).
*/
if (p->iTCO_version >= 2 && p->iTCO_version < 6 &&
- !pdata->update_no_reboot_bit) {
+ !pdata->no_reboot_use_pmc) {
p->gcs_pmc_res = platform_get_resource(pdev,
IORESOURCE_MEM,
ICH_RES_MEM_GCS_PMC);
diff --git a/drivers/watchdog/intel-mid_wdt.c b/drivers/watchdog/intel-mid_wdt.c
index 470213abfd3d..1ae03b64ef8b 100644
--- a/drivers/watchdog/intel-mid_wdt.c
+++ b/drivers/watchdog/intel-mid_wdt.c
@@ -33,14 +33,24 @@ enum {
SCU_WATCHDOG_KEEPALIVE,
};
-static inline int wdt_command(int sub, u32 *in, int inlen)
+struct mid_wdt {
+ struct watchdog_device wd;
+ struct device *dev;
+ struct intel_scu_ipc_dev *scu;
+};
+
+static inline int
+wdt_command(struct mid_wdt *mid, int sub, const void *in, size_t inlen, size_t size)
{
- return intel_scu_ipc_command(IPC_WATCHDOG, sub, in, inlen, NULL, 0);
+ struct intel_scu_ipc_dev *scu = mid->scu;
+
+ return intel_scu_ipc_dev_command_with_size(scu, IPC_WATCHDOG, sub, in,
+ inlen, size, NULL, 0);
}
static int wdt_start(struct watchdog_device *wd)
{
- struct device *dev = watchdog_get_drvdata(wd);
+ struct mid_wdt *mid = watchdog_get_drvdata(wd);
int ret, in_size;
int timeout = wd->timeout;
struct ipc_wd_start {
@@ -49,38 +59,41 @@ static int wdt_start(struct watchdog_device *wd)
} ipc_wd_start = { timeout - MID_WDT_PRETIMEOUT, timeout };
/*
- * SCU expects the input size for watchdog IPC to
- * be based on 4 bytes
+ * SCU expects the input size for watchdog IPC to be 2 which is the
+ * size of the structure in dwords. SCU IPC normally takes bytes
+ * but this is a special case where we specify size to be different
+ * than inlen.
*/
in_size = DIV_ROUND_UP(sizeof(ipc_wd_start), 4);
- ret = wdt_command(SCU_WATCHDOG_START, (u32 *)&ipc_wd_start, in_size);
+ ret = wdt_command(mid, SCU_WATCHDOG_START, &ipc_wd_start,
+ sizeof(ipc_wd_start), in_size);
if (ret)
- dev_crit(dev, "error starting watchdog: %d\n", ret);
+ dev_crit(mid->dev, "error starting watchdog: %d\n", ret);
return ret;
}
static int wdt_ping(struct watchdog_device *wd)
{
- struct device *dev = watchdog_get_drvdata(wd);
+ struct mid_wdt *mid = watchdog_get_drvdata(wd);
int ret;
- ret = wdt_command(SCU_WATCHDOG_KEEPALIVE, NULL, 0);
+ ret = wdt_command(mid, SCU_WATCHDOG_KEEPALIVE, NULL, 0, 0);
if (ret)
- dev_crit(dev, "Error executing keepalive: %d\n", ret);
+ dev_crit(mid->dev, "Error executing keepalive: %d\n", ret);
return ret;
}
static int wdt_stop(struct watchdog_device *wd)
{
- struct device *dev = watchdog_get_drvdata(wd);
+ struct mid_wdt *mid = watchdog_get_drvdata(wd);
int ret;
- ret = wdt_command(SCU_WATCHDOG_STOP, NULL, 0);
+ ret = wdt_command(mid, SCU_WATCHDOG_STOP, NULL, 0, 0);
if (ret)
- dev_crit(dev, "Error stopping watchdog: %d\n", ret);
+ dev_crit(mid->dev, "Error stopping watchdog: %d\n", ret);
return ret;
}
@@ -110,6 +123,7 @@ static int mid_wdt_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct watchdog_device *wdt_dev;
struct intel_mid_wdt_pdata *pdata = dev->platform_data;
+ struct mid_wdt *mid;
int ret;
if (!pdata) {
@@ -123,10 +137,13 @@ static int mid_wdt_probe(struct platform_device *pdev)
return ret;
}
- wdt_dev = devm_kzalloc(dev, sizeof(*wdt_dev), GFP_KERNEL);
- if (!wdt_dev)
+ mid = devm_kzalloc(dev, sizeof(*mid), GFP_KERNEL);
+ if (!mid)
return -ENOMEM;
+ mid->dev = dev;
+ wdt_dev = &mid->wd;
+
wdt_dev->info = &mid_wdt_info;
wdt_dev->ops = &mid_wdt_ops;
wdt_dev->min_timeout = MID_WDT_TIMEOUT_MIN;
@@ -135,7 +152,7 @@ static int mid_wdt_probe(struct platform_device *pdev)
wdt_dev->parent = dev;
watchdog_set_nowayout(wdt_dev, WATCHDOG_NOWAYOUT);
- watchdog_set_drvdata(wdt_dev, dev);
+ watchdog_set_drvdata(wdt_dev, mid);
ret = devm_request_irq(dev, pdata->irq, mid_wdt_irq,
IRQF_SHARED | IRQF_NO_SUSPEND, "watchdog",
@@ -145,6 +162,10 @@ static int mid_wdt_probe(struct platform_device *pdev)
return ret;
}
+ mid->scu = devm_intel_scu_ipc_dev_get(dev);
+ if (!mid->scu)
+ return -EPROBE_DEFER;
+
/*
* The firmware followed by U-Boot leaves the watchdog running
* with the default threshold which may vary. When we get here
diff --git a/fs/Kconfig b/fs/Kconfig
index f08fbbfafd9a..d1ad3935fb85 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -166,7 +166,7 @@ config TMPFS
space. If you unmount a tmpfs instance, everything stored therein is
lost.
- See <file:Documentation/filesystems/tmpfs.txt> for details.
+ See <file:Documentation/filesystems/tmpfs.rst> for details.
config TMPFS_POSIX_ACL
bool "Tmpfs POSIX Access Control Lists"
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 62dc4f577ba1..04f86b8c100e 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -36,6 +36,12 @@ config COMPAT_BINFMT_ELF
config ARCH_BINFMT_ELF_STATE
bool
+config ARCH_HAVE_ELF_PROT
+ bool
+
+config ARCH_USE_GNU_PROPERTY
+ bool
+
config BINFMT_ELF_FDPIC
bool "Kernel support for FDPIC ELF binaries"
default y if !BINFMT_ELF
@@ -72,7 +78,7 @@ config CORE_DUMP_DEFAULT_ELF_HEADERS
The core dump behavior can be controlled per process using
the /proc/PID/coredump_filter pseudo-file; this setting is
- inherited. See Documentation/filesystems/proc.txt for details.
+ inherited. See Documentation/filesystems/proc.rst for details.
This config option changes the default setting of coredump_filter
seen at boot time. If unsure, say Y.
diff --git a/fs/adfs/Kconfig b/fs/adfs/Kconfig
index df4650dccf68..44738fed6625 100644
--- a/fs/adfs/Kconfig
+++ b/fs/adfs/Kconfig
@@ -12,7 +12,7 @@ config ADFS_FS
The ADFS partition should be the first partition (i.e.,
/dev/[hs]d?1) on each of your drives. Please read the file
- <file:Documentation/filesystems/adfs.txt> for further details.
+ <file:Documentation/filesystems/adfs.rst> for further details.
To compile this code as a module, choose M here: the module will be
called adfs.
diff --git a/fs/affs/Kconfig b/fs/affs/Kconfig
index 84c46b9025c5..eb9d0ab850cb 100644
--- a/fs/affs/Kconfig
+++ b/fs/affs/Kconfig
@@ -9,7 +9,7 @@ config AFFS_FS
FFS partition on your hard drive. Amiga floppies however cannot be
read with this driver due to an incompatibility of the floppy
controller used in an Amiga and the standard floppy controller in
- PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
+ PCs and workstations. Read <file:Documentation/filesystems/affs.rst>
and <file:fs/affs/Changes>.
With this driver you can also mount disk files used by Bernd
diff --git a/fs/afs/Kconfig b/fs/afs/Kconfig
index 3fb1f559e317..1ad211d72b3b 100644
--- a/fs/afs/Kconfig
+++ b/fs/afs/Kconfig
@@ -8,7 +8,7 @@ config AFS_FS
If you say Y here, you will get an experimental Andrew File System
driver. It currently only supports unsecured read-only AFS access.
- See <file:Documentation/filesystems/afs.txt> for more information.
+ See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.
@@ -18,7 +18,7 @@ config AFS_DEBUG
help
Say Y here to make runtime controllable debugging messages appear.
- See <file:Documentation/filesystems/afs.txt> for more information.
+ See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.
@@ -37,6 +37,6 @@ config AFS_DEBUG_CURSOR
the dmesg log if the server rotation algorithm fails to successfully
contact a server.
- See <file:Documentation/filesystems/afs.txt> for more information.
+ See <file:Documentation/filesystems/afs.rst> for more information.
If unsure, say N.
diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c
index 6765949b3aab..380ad5ace7cf 100644
--- a/fs/afs/cmservice.c
+++ b/fs/afs/cmservice.c
@@ -169,7 +169,7 @@ static int afs_record_cm_probe(struct afs_call *call, struct afs_server *server)
spin_lock(&server->probe_lock);
- if (!test_bit(AFS_SERVER_FL_HAVE_EPOCH, &server->flags)) {
+ if (!test_and_set_bit(AFS_SERVER_FL_HAVE_EPOCH, &server->flags)) {
server->cm_epoch = call->epoch;
server->probe.cm_epoch = call->epoch;
goto out;
diff --git a/fs/afs/fs_probe.c b/fs/afs/fs_probe.c
index e1b9ed679045..37d1bba57b00 100644
--- a/fs/afs/fs_probe.c
+++ b/fs/afs/fs_probe.c
@@ -32,9 +32,8 @@ void afs_fileserver_probe_result(struct afs_call *call)
struct afs_server *server = call->server;
unsigned int server_index = call->server_index;
unsigned int index = call->addr_ix;
- unsigned int rtt = UINT_MAX;
+ unsigned int rtt_us = 0;
bool have_result = false;
- u64 _rtt;
int ret = call->error;
_enter("%pU,%u", &server->uuid, index);
@@ -93,15 +92,9 @@ responded:
}
}
- /* Get the RTT and scale it to fit into a 32-bit value that represents
- * over a minute of time so that we can access it with one instruction
- * on a 32-bit system.
- */
- _rtt = rxrpc_kernel_get_rtt(call->net->socket, call->rxcall);
- _rtt /= 64;
- rtt = (_rtt > UINT_MAX) ? UINT_MAX : _rtt;
- if (rtt < server->probe.rtt) {
- server->probe.rtt = rtt;
+ rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
+ if (rtt_us < server->probe.rtt) {
+ server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
}
@@ -113,15 +106,11 @@ out:
spin_unlock(&server->probe_lock);
_debug("probe [%u][%u] %pISpc rtt=%u ret=%d",
- server_index, index, &alist->addrs[index].transport,
- (unsigned int)rtt, ret);
+ server_index, index, &alist->addrs[index].transport, rtt_us, ret);
have_result |= afs_fs_probe_done(server);
- if (have_result) {
- server->probe.have_result = true;
- wake_up_var(&server->probe.have_result);
+ if (have_result)
wake_up_all(&server->probe_wq);
- }
}
/*
diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c
index 68fc46634346..d2b3798c1932 100644
--- a/fs/afs/fsclient.c
+++ b/fs/afs/fsclient.c
@@ -385,8 +385,6 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
ASSERTCMP(req->offset, <=, PAGE_SIZE);
if (req->offset == PAGE_SIZE) {
req->offset = 0;
- if (req->page_done)
- req->page_done(req);
req->index++;
if (req->remain > 0)
goto begin_page;
@@ -440,11 +438,13 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call)
if (req->offset < PAGE_SIZE)
zero_user_segment(req->pages[req->index],
req->offset, PAGE_SIZE);
- if (req->page_done)
- req->page_done(req);
req->offset = 0;
}
+ if (req->page_done)
+ for (req->index = 0; req->index < req->nr_pages; req->index++)
+ req->page_done(req);
+
_leave(" = 0 [done]");
return 0;
}
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index ef732dd4e7ef..80255513e230 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -533,12 +533,10 @@ struct afs_server {
u32 abort_code;
u32 cm_epoch;
short error;
- bool have_result;
bool responded:1;
bool is_yfs:1;
bool not_yfs:1;
bool local_failure:1;
- bool no_epoch:1;
bool cm_probed:1;
bool said_rebooted:1;
bool said_inconsistent:1;
@@ -1335,7 +1333,7 @@ extern struct afs_volume *afs_create_volume(struct afs_fs_context *);
extern void afs_activate_volume(struct afs_volume *);
extern void afs_deactivate_volume(struct afs_volume *);
extern void afs_put_volume(struct afs_cell *, struct afs_volume *);
-extern int afs_check_volume_status(struct afs_volume *, struct key *);
+extern int afs_check_volume_status(struct afs_volume *, struct afs_fs_cursor *);
/*
* write.c
diff --git a/fs/afs/rotate.c b/fs/afs/rotate.c
index 172ba569cd60..2a3305e42b14 100644
--- a/fs/afs/rotate.c
+++ b/fs/afs/rotate.c
@@ -192,7 +192,7 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
write_unlock(&vnode->volume->servers_lock);
set_bit(AFS_VOLUME_NEEDS_UPDATE, &vnode->volume->flags);
- error = afs_check_volume_status(vnode->volume, fc->key);
+ error = afs_check_volume_status(vnode->volume, fc);
if (error < 0)
goto failed_set_error;
@@ -281,7 +281,7 @@ bool afs_select_fileserver(struct afs_fs_cursor *fc)
set_bit(AFS_VOLUME_WAIT, &vnode->volume->flags);
set_bit(AFS_VOLUME_NEEDS_UPDATE, &vnode->volume->flags);
- error = afs_check_volume_status(vnode->volume, fc->key);
+ error = afs_check_volume_status(vnode->volume, fc);
if (error < 0)
goto failed_set_error;
@@ -341,7 +341,7 @@ start:
/* See if we need to do an update of the volume record. Note that the
* volume may have moved or even have been deleted.
*/
- error = afs_check_volume_status(vnode->volume, fc->key);
+ error = afs_check_volume_status(vnode->volume, fc);
if (error < 0)
goto failed_set_error;
diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index 1ecc67da6c1a..e313dae01674 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -37,7 +37,6 @@ int afs_open_socket(struct afs_net *net)
{
struct sockaddr_rxrpc srx;
struct socket *socket;
- unsigned int min_level;
int ret;
_enter("");
@@ -57,9 +56,8 @@ int afs_open_socket(struct afs_net *net)
srx.transport.sin6.sin6_family = AF_INET6;
srx.transport.sin6.sin6_port = htons(AFS_CM_PORT);
- min_level = RXRPC_SECURITY_ENCRYPT;
- ret = kernel_setsockopt(socket, SOL_RXRPC, RXRPC_MIN_SECURITY_LEVEL,
- (void *)&min_level, sizeof(min_level));
+ ret = rxrpc_sock_set_min_security_level(socket->sk,
+ RXRPC_SECURITY_ENCRYPT);
if (ret < 0)
goto error_2;
diff --git a/fs/afs/server.c b/fs/afs/server.c
index b7f3cb2130ca..11b90ac7ea30 100644
--- a/fs/afs/server.c
+++ b/fs/afs/server.c
@@ -594,12 +594,9 @@ retry:
}
ret = wait_on_bit(&server->flags, AFS_SERVER_FL_UPDATING,
- TASK_INTERRUPTIBLE);
+ (fc->flags & AFS_FS_CURSOR_INTR) ?
+ TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
if (ret == -ERESTARTSYS) {
- if (!(fc->flags & AFS_FS_CURSOR_INTR) && server->addresses) {
- _leave(" = t [intr]");
- return true;
- }
fc->error = ret;
_leave(" = f [intr]");
return false;
diff --git a/fs/afs/vl_probe.c b/fs/afs/vl_probe.c
index 858498cc1b05..e3aa013c2177 100644
--- a/fs/afs/vl_probe.c
+++ b/fs/afs/vl_probe.c
@@ -31,10 +31,9 @@ void afs_vlserver_probe_result(struct afs_call *call)
struct afs_addr_list *alist = call->alist;
struct afs_vlserver *server = call->vlserver;
unsigned int server_index = call->server_index;
+ unsigned int rtt_us = 0;
unsigned int index = call->addr_ix;
- unsigned int rtt = UINT_MAX;
bool have_result = false;
- u64 _rtt;
int ret = call->error;
_enter("%s,%u,%u,%d,%d", server->name, server_index, index, ret, call->abort_code);
@@ -93,15 +92,9 @@ responded:
}
}
- /* Get the RTT and scale it to fit into a 32-bit value that represents
- * over a minute of time so that we can access it with one instruction
- * on a 32-bit system.
- */
- _rtt = rxrpc_kernel_get_rtt(call->net->socket, call->rxcall);
- _rtt /= 64;
- rtt = (_rtt > UINT_MAX) ? UINT_MAX : _rtt;
- if (rtt < server->probe.rtt) {
- server->probe.rtt = rtt;
+ rtt_us = rxrpc_kernel_get_srtt(call->net->socket, call->rxcall);
+ if (rtt_us < server->probe.rtt) {
+ server->probe.rtt = rtt_us;
alist->preferred = index;
have_result = true;
}
@@ -113,8 +106,7 @@ out:
spin_unlock(&server->probe_lock);
_debug("probe [%u][%u] %pISpc rtt=%u ret=%d",
- server_index, index, &alist->addrs[index].transport,
- (unsigned int)rtt, ret);
+ server_index, index, &alist->addrs[index].transport, rtt_us, ret);
have_result |= afs_vl_probe_done(server);
if (have_result) {
diff --git a/fs/afs/vl_rotate.c b/fs/afs/vl_rotate.c
index 9a5ce9687779..72eacc14e6e1 100644
--- a/fs/afs/vl_rotate.c
+++ b/fs/afs/vl_rotate.c
@@ -302,8 +302,8 @@ static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
pr_notice("VC: - nr=%u/%u/%u pf=%u\n",
a->nr_ipv4, a->nr_addrs, a->max_addrs,
a->preferred);
- pr_notice("VC: - pr=%lx R=%lx F=%lx\n",
- a->probed, a->responded, a->failed);
+ pr_notice("VC: - R=%lx F=%lx\n",
+ a->responded, a->failed);
if (a == vc->ac.alist)
pr_notice("VC: - current\n");
}
diff --git a/fs/afs/volume.c b/fs/afs/volume.c
index 92ca5e27573b..4310336b9bb8 100644
--- a/fs/afs/volume.c
+++ b/fs/afs/volume.c
@@ -281,7 +281,7 @@ error:
/*
* Make sure the volume record is up to date.
*/
-int afs_check_volume_status(struct afs_volume *volume, struct key *key)
+int afs_check_volume_status(struct afs_volume *volume, struct afs_fs_cursor *fc)
{
time64_t now = ktime_get_real_seconds();
int ret, retries = 0;
@@ -299,7 +299,7 @@ retry:
}
if (!test_and_set_bit_lock(AFS_VOLUME_UPDATING, &volume->flags)) {
- ret = afs_update_volume_status(volume, key);
+ ret = afs_update_volume_status(volume, fc->key);
clear_bit_unlock(AFS_VOLUME_WAIT, &volume->flags);
clear_bit_unlock(AFS_VOLUME_UPDATING, &volume->flags);
wake_up_bit(&volume->flags, AFS_VOLUME_WAIT);
@@ -312,7 +312,9 @@ retry:
return 0;
}
- ret = wait_on_bit(&volume->flags, AFS_VOLUME_WAIT, TASK_INTERRUPTIBLE);
+ ret = wait_on_bit(&volume->flags, AFS_VOLUME_WAIT,
+ (fc->flags & AFS_FS_CURSOR_INTR) ?
+ TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
if (ret == -ERESTARTSYS) {
_leave(" = %d", ret);
return ret;
diff --git a/fs/afs/yfsclient.c b/fs/afs/yfsclient.c
index b5b45c57e1b1..fe413e7a5cf4 100644
--- a/fs/afs/yfsclient.c
+++ b/fs/afs/yfsclient.c
@@ -497,8 +497,6 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
ASSERTCMP(req->offset, <=, PAGE_SIZE);
if (req->offset == PAGE_SIZE) {
req->offset = 0;
- if (req->page_done)
- req->page_done(req);
req->index++;
if (req->remain > 0)
goto begin_page;
@@ -556,11 +554,13 @@ static int yfs_deliver_fs_fetch_data64(struct afs_call *call)
if (req->offset < PAGE_SIZE)
zero_user_segment(req->pages[req->index],
req->offset, PAGE_SIZE);
- if (req->page_done)
- req->page_done(req);
req->offset = 0;
}
+ if (req->page_done)
+ for (req->index = 0; req->index < req->nr_pages; req->index++)
+ req->page_done(req);
+
_leave(" = 0 [done]");
return 0;
}
diff --git a/fs/aio.c b/fs/aio.c
index 5f3d3d814928..6483f9274d5e 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -176,6 +176,7 @@ struct fsync_iocb {
struct file *file;
struct work_struct work;
bool datasync;
+ struct cred *creds;
};
struct poll_iocb {
@@ -1589,8 +1590,11 @@ static int aio_write(struct kiocb *req, const struct iocb *iocb,
static void aio_fsync_work(struct work_struct *work)
{
struct aio_kiocb *iocb = container_of(work, struct aio_kiocb, fsync.work);
+ const struct cred *old_cred = override_creds(iocb->fsync.creds);
iocb->ki_res.res = vfs_fsync(iocb->fsync.file, iocb->fsync.datasync);
+ revert_creds(old_cred);
+ put_cred(iocb->fsync.creds);
iocb_put(iocb);
}
@@ -1604,6 +1608,10 @@ static int aio_fsync(struct fsync_iocb *req, const struct iocb *iocb,
if (unlikely(!req->file->f_op->fsync))
return -EINVAL;
+ req->creds = prepare_creds();
+ if (!req->creds)
+ return -ENOMEM;
+
req->datasync = datasync;
INIT_WORK(&req->work, aio_fsync_work);
schedule_work(&req->work);
diff --git a/fs/bfs/Kconfig b/fs/bfs/Kconfig
index 3e1247f07913..3a757805b585 100644
--- a/fs/bfs/Kconfig
+++ b/fs/bfs/Kconfig
@@ -11,7 +11,7 @@ config BFS_FS
on your /stand slice from within Linux. You then also need to say Y
to "UnixWare slices support", below. More information about the BFS
file system is contained in the file
- <file:Documentation/filesystems/bfs.txt>.
+ <file:Documentation/filesystems/bfs.rst>.
If you don't know what this is about, say N.
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 13f25e241ac4..8945671fe0e5 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -40,12 +40,18 @@
#include <linux/sched/coredump.h>
#include <linux/sched/task_stack.h>
#include <linux/sched/cputime.h>
+#include <linux/sizes.h>
+#include <linux/types.h>
#include <linux/cred.h>
#include <linux/dax.h>
#include <linux/uaccess.h>
#include <asm/param.h>
#include <asm/page.h>
+#ifndef ELF_COMPAT
+#define ELF_COMPAT 0
+#endif
+
#ifndef user_long_t
#define user_long_t long
#endif
@@ -539,7 +545,8 @@ static inline int arch_check_elf(struct elfhdr *ehdr, bool has_interp,
#endif /* !CONFIG_ARCH_BINFMT_ELF_STATE */
-static inline int make_prot(u32 p_flags)
+static inline int make_prot(u32 p_flags, struct arch_elf_state *arch_state,
+ bool has_interp, bool is_interp)
{
int prot = 0;
@@ -549,7 +556,8 @@ static inline int make_prot(u32 p_flags)
prot |= PROT_WRITE;
if (p_flags & PF_X)
prot |= PROT_EXEC;
- return prot;
+
+ return arch_elf_adjust_prot(prot, arch_state, has_interp, is_interp);
}
/* This is much more generalized than the library routine read function,
@@ -559,7 +567,8 @@ static inline int make_prot(u32 p_flags)
static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
struct file *interpreter,
- unsigned long no_base, struct elf_phdr *interp_elf_phdata)
+ unsigned long no_base, struct elf_phdr *interp_elf_phdata,
+ struct arch_elf_state *arch_state)
{
struct elf_phdr *eppnt;
unsigned long load_addr = 0;
@@ -591,7 +600,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex,
for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
if (eppnt->p_type == PT_LOAD) {
int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
- int elf_prot = make_prot(eppnt->p_flags);
+ int elf_prot = make_prot(eppnt->p_flags, arch_state,
+ true, true);
unsigned long vaddr = 0;
unsigned long k, map_addr;
@@ -682,6 +692,111 @@ out:
* libraries. There is no binary dependent code anywhere else.
*/
+static int parse_elf_property(const char *data, size_t *off, size_t datasz,
+ struct arch_elf_state *arch,
+ bool have_prev_type, u32 *prev_type)
+{
+ size_t o, step;
+ const struct gnu_property *pr;
+ int ret;
+
+ if (*off == datasz)
+ return -ENOENT;
+
+ if (WARN_ON_ONCE(*off > datasz || *off % ELF_GNU_PROPERTY_ALIGN))
+ return -EIO;
+ o = *off;
+ datasz -= *off;
+
+ if (datasz < sizeof(*pr))
+ return -ENOEXEC;
+ pr = (const struct gnu_property *)(data + o);
+ o += sizeof(*pr);
+ datasz -= sizeof(*pr);
+
+ if (pr->pr_datasz > datasz)
+ return -ENOEXEC;
+
+ WARN_ON_ONCE(o % ELF_GNU_PROPERTY_ALIGN);
+ step = round_up(pr->pr_datasz, ELF_GNU_PROPERTY_ALIGN);
+ if (step > datasz)
+ return -ENOEXEC;
+
+ /* Properties are supposed to be unique and sorted on pr_type: */
+ if (have_prev_type && pr->pr_type <= *prev_type)
+ return -ENOEXEC;
+ *prev_type = pr->pr_type;
+
+ ret = arch_parse_elf_property(pr->pr_type, data + o,
+ pr->pr_datasz, ELF_COMPAT, arch);
+ if (ret)
+ return ret;
+
+ *off = o + step;
+ return 0;
+}
+
+#define NOTE_DATA_SZ SZ_1K
+#define GNU_PROPERTY_TYPE_0_NAME "GNU"
+#define NOTE_NAME_SZ (sizeof(GNU_PROPERTY_TYPE_0_NAME))
+
+static int parse_elf_properties(struct file *f, const struct elf_phdr *phdr,
+ struct arch_elf_state *arch)
+{
+ union {
+ struct elf_note nhdr;
+ char data[NOTE_DATA_SZ];
+ } note;
+ loff_t pos;
+ ssize_t n;
+ size_t off, datasz;
+ int ret;
+ bool have_prev_type;
+ u32 prev_type;
+
+ if (!IS_ENABLED(CONFIG_ARCH_USE_GNU_PROPERTY) || !phdr)
+ return 0;
+
+ /* load_elf_binary() shouldn't call us unless this is true... */
+ if (WARN_ON_ONCE(phdr->p_type != PT_GNU_PROPERTY))
+ return -ENOEXEC;
+
+ /* If the properties are crazy large, that's too bad (for now): */
+ if (phdr->p_filesz > sizeof(note))
+ return -ENOEXEC;
+
+ pos = phdr->p_offset;
+ n = kernel_read(f, &note, phdr->p_filesz, &pos);
+
+ BUILD_BUG_ON(sizeof(note) < sizeof(note.nhdr) + NOTE_NAME_SZ);
+ if (n < 0 || n < sizeof(note.nhdr) + NOTE_NAME_SZ)
+ return -EIO;
+
+ if (note.nhdr.n_type != NT_GNU_PROPERTY_TYPE_0 ||
+ note.nhdr.n_namesz != NOTE_NAME_SZ ||
+ strncmp(note.data + sizeof(note.nhdr),
+ GNU_PROPERTY_TYPE_0_NAME, n - sizeof(note.nhdr)))
+ return -ENOEXEC;
+
+ off = round_up(sizeof(note.nhdr) + NOTE_NAME_SZ,
+ ELF_GNU_PROPERTY_ALIGN);
+ if (off > n)
+ return -ENOEXEC;
+
+ if (note.nhdr.n_descsz > n - off)
+ return -ENOEXEC;
+ datasz = off + note.nhdr.n_descsz;
+
+ have_prev_type = false;
+ do {
+ ret = parse_elf_property(note.data, &off, datasz, arch,
+ have_prev_type, &prev_type);
+ have_prev_type = true;
+ } while (!ret);
+
+ return ret == -ENOENT ? 0 : ret;
+}
+
static int load_elf_binary(struct linux_binprm *bprm)
{
struct file *interpreter = NULL; /* to shut gcc up */
@@ -689,6 +804,7 @@ static int load_elf_binary(struct linux_binprm *bprm)
int load_addr_set = 0;
unsigned long error;
struct elf_phdr *elf_ppnt, *elf_phdata, *interp_elf_phdata = NULL;
+ struct elf_phdr *elf_property_phdata = NULL;
unsigned long elf_bss, elf_brk;
int bss_prot = 0;
int retval, i;
@@ -726,6 +842,11 @@ static int load_elf_binary(struct linux_binprm *bprm)
for (i = 0; i < elf_ex->e_phnum; i++, elf_ppnt++) {
char *elf_interpreter;
+ if (elf_ppnt->p_type == PT_GNU_PROPERTY) {
+ elf_property_phdata = elf_ppnt;
+ continue;
+ }
+
if (elf_ppnt->p_type != PT_INTERP)
continue;
@@ -819,9 +940,14 @@ out_free_interp:
goto out_free_dentry;
/* Pass PT_LOPROC..PT_HIPROC headers to arch code */
+ elf_property_phdata = NULL;
elf_ppnt = interp_elf_phdata;
for (i = 0; i < interp_elf_ex->e_phnum; i++, elf_ppnt++)
switch (elf_ppnt->p_type) {
+ case PT_GNU_PROPERTY:
+ elf_property_phdata = elf_ppnt;
+ break;
+
case PT_LOPROC ... PT_HIPROC:
retval = arch_elf_pt_proc(interp_elf_ex,
elf_ppnt, interpreter,
@@ -832,6 +958,11 @@ out_free_interp:
}
}
+ retval = parse_elf_properties(interpreter ?: bprm->file,
+ elf_property_phdata, &arch_state);
+ if (retval)
+ goto out_free_dentry;
+
/*
* Allow arch code to reject the ELF at this point, whilst it's
* still possible to return an error to the code that invoked
@@ -913,7 +1044,8 @@ out_free_interp:
}
}
- elf_prot = make_prot(elf_ppnt->p_flags);
+ elf_prot = make_prot(elf_ppnt->p_flags, &arch_state,
+ !!interpreter, false);
elf_flags = MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE;
@@ -1056,7 +1188,8 @@ out_free_interp:
if (interpreter) {
elf_entry = load_elf_interp(interp_elf_ex,
interpreter,
- load_bias, interp_elf_phdata);
+ load_bias, interp_elf_phdata,
+ &arch_state);
if (!IS_ERR((void *)elf_entry)) {
/*
* load_elf_interp() returns relocation
@@ -1355,7 +1488,6 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
vma->vm_pgoff == 0 && (vma->vm_flags & VM_READ)) {
u32 __user *header = (u32 __user *) vma->vm_start;
u32 word;
- mm_segment_t fs = get_fs();
/*
* Doing it this way gets the constant folded by GCC.
*/
@@ -1368,14 +1500,8 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
magic.elfmag[EI_MAG1] = ELFMAG1;
magic.elfmag[EI_MAG2] = ELFMAG2;
magic.elfmag[EI_MAG3] = ELFMAG3;
- /*
- * Switch to the user "segment" for get_user(),
- * then put back what elf_core_dump() had in place.
- */
- set_fs(USER_DS);
if (unlikely(get_user(word, header)))
word = 0;
- set_fs(fs);
if (word == magic.cmp)
return PAGE_SIZE;
}
@@ -1556,10 +1682,7 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm)
static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
const kernel_siginfo_t *siginfo)
{
- mm_segment_t old_fs = get_fs();
- set_fs(KERNEL_DS);
- copy_siginfo_to_user((user_siginfo_t __user *) csigdata, siginfo);
- set_fs(old_fs);
+ copy_siginfo_to_external(csigdata, siginfo);
fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata);
}
@@ -1733,7 +1856,7 @@ static int fill_thread_core_info(struct elf_thread_core_info *t,
(!regset->active || regset->active(t->task, regset) > 0)) {
int ret;
size_t size = regset_size(t->task, regset);
- void *data = kmalloc(size, GFP_KERNEL);
+ void *data = kzalloc(size, GFP_KERNEL);
if (unlikely(!data))
return 0;
ret = regset->get(t->task, regset,
@@ -2186,7 +2309,6 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
static int elf_core_dump(struct coredump_params *cprm)
{
int has_dumped = 0;
- mm_segment_t fs;
int segs, i;
size_t vma_data_size = 0;
struct vm_area_struct *vma, *gate_vma;
@@ -2235,13 +2357,10 @@ static int elf_core_dump(struct coredump_params *cprm)
* notes. This also sets up the file header.
*/
if (!fill_note_info(&elf, e_phnum, &info, cprm->siginfo, cprm->regs))
- goto cleanup;
+ goto end_coredump;
has_dumped = 1;
- fs = get_fs();
- set_fs(KERNEL_DS);
-
offset += sizeof(elf); /* Elf header */
offset += segs * sizeof(struct elf_phdr); /* Program headers */
@@ -2369,9 +2488,6 @@ static int elf_core_dump(struct coredump_params *cprm)
}
end_coredump:
- set_fs(fs);
-
-cleanup:
free_note_info(&info);
kfree(shdr4extnum);
kvfree(vma_filesz);
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 240f66663543..d9501a86cec9 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1549,7 +1549,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
{
#define NUM_NOTES 6
int has_dumped = 0;
- mm_segment_t fs;
int segs;
int i;
struct vm_area_struct *vma;
@@ -1589,31 +1588,31 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
/* alloc memory for large data structures: too large to be on stack */
elf = kmalloc(sizeof(*elf), GFP_KERNEL);
if (!elf)
- goto cleanup;
+ goto end_coredump;
prstatus = kzalloc(sizeof(*prstatus), GFP_KERNEL);
if (!prstatus)
- goto cleanup;
+ goto end_coredump;
psinfo = kmalloc(sizeof(*psinfo), GFP_KERNEL);
if (!psinfo)
- goto cleanup;
+ goto end_coredump;
notes = kmalloc_array(NUM_NOTES, sizeof(struct memelfnote),
GFP_KERNEL);
if (!notes)
- goto cleanup;
+ goto end_coredump;
fpu = kmalloc(sizeof(*fpu), GFP_KERNEL);
if (!fpu)
- goto cleanup;
+ goto end_coredump;
#ifdef ELF_CORE_COPY_XFPREGS
xfpu = kmalloc(sizeof(*xfpu), GFP_KERNEL);
if (!xfpu)
- goto cleanup;
+ goto end_coredump;
#endif
for (ct = current->mm->core_state->dumper.next;
ct; ct = ct->next) {
tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
if (!tmp)
- goto cleanup;
+ goto end_coredump;
tmp->thread = ct->task;
list_add(&tmp->list, &thread_list);
@@ -1678,9 +1677,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
"LINUX", ELF_CORE_XFPREG_TYPE, sizeof(*xfpu), xfpu);
#endif
- fs = get_fs();
- set_fs(KERNEL_DS);
-
offset += sizeof(*elf); /* Elf header */
offset += segs * sizeof(struct elf_phdr); /* Program headers */
@@ -1788,9 +1784,6 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
}
end_coredump:
- set_fs(fs);
-
-cleanup:
while (!list_empty(&thread_list)) {
struct list_head *tmp = thread_list.next;
list_del(tmp);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 52b6f646cdbd..47860e589388 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -19,7 +19,6 @@
#include <linux/module.h>
#include <linux/blkpg.h>
#include <linux/magic.h>
-#include <linux/dax.h>
#include <linux/buffer_head.h>
#include <linux/swap.h>
#include <linux/pagevec.h>
@@ -256,7 +255,7 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,
break;
if (!(iocb->ki_flags & IOCB_HIPRI) ||
!blk_poll(bdev_get_queue(bdev), qc, true))
- io_schedule();
+ blk_io_schedule();
}
__set_current_state(TASK_RUNNING);
@@ -450,7 +449,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)
if (!(iocb->ki_flags & IOCB_HIPRI) ||
!blk_poll(bdev_get_queue(bdev), qc, true))
- io_schedule();
+ blk_io_schedule();
}
__set_current_state(TASK_RUNNING);
@@ -615,10 +614,9 @@ static int blkdev_readpage(struct file * file, struct page * page)
return block_read_full_page(page, blkdev_get_block);
}
-static int blkdev_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void blkdev_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, blkdev_get_block);
+ mpage_readahead(rac, blkdev_get_block);
}
static int blkdev_write_begin(struct file *file, struct address_space *mapping,
@@ -673,7 +671,7 @@ int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
* i_mutex and doing so causes performance issues with concurrent
* O_SYNC writers to a block device.
*/
- error = blkdev_issue_flush(bdev, GFP_KERNEL, NULL);
+ error = blkdev_issue_flush(bdev, GFP_KERNEL);
if (error == -EOPNOTSUPP)
error = 0;
@@ -714,7 +712,6 @@ int bdev_read_page(struct block_device *bdev, sector_t sector,
blk_queue_exit(bdev->bd_queue);
return result;
}
-EXPORT_SYMBOL_GPL(bdev_read_page);
/**
* bdev_write_page() - Start writing a page to a block device
@@ -759,7 +756,6 @@ int bdev_write_page(struct block_device *bdev, sector_t sector,
blk_queue_exit(bdev->bd_queue);
return result;
}
-EXPORT_SYMBOL_GPL(bdev_write_page);
/*
* pseudo-fs
@@ -883,21 +879,6 @@ static int bdev_set(struct inode *inode, void *data)
static LIST_HEAD(all_bdevs);
-/*
- * If there is a bdev inode for this device, unhash it so that it gets evicted
- * as soon as last inode reference is dropped.
- */
-void bdev_unhash_inode(dev_t dev)
-{
- struct inode *inode;
-
- inode = ilookup5(blockdev_superblock, hash(dev), bdev_test, &dev);
- if (inode) {
- remove_inode_hash(inode);
- iput(inode);
- }
-}
-
struct block_device *bdget(dev_t dev)
{
struct block_device *bdev;
@@ -1517,7 +1498,7 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate)
lockdep_assert_held(&bdev->bd_mutex);
rescan:
- ret = blk_drop_partitions(disk, bdev);
+ ret = blk_drop_partitions(bdev);
if (ret)
return ret;
@@ -1893,6 +1874,16 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
struct gendisk *disk = bdev->bd_disk;
struct block_device *victim = NULL;
+ /*
+ * Sync early if it looks like we're the last one. If someone else
+ * opens the block device between now and the decrement of bd_openers
+ * then we did a sync that we didn't need to, but that's not the end
+ * of the world and we want to avoid long (could be several minute)
+ * syncs while holding the mutex.
+ */
+ if (bdev->bd_openers == 1)
+ sync_blockdev(bdev);
+
mutex_lock_nested(&bdev->bd_mutex, for_part);
if (for_part)
bdev->bd_part_count--;
@@ -2014,8 +2005,7 @@ ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (bdev_read_only(I_BDEV(bd_inode)))
return -EPERM;
- /* uswsusp needs write permission to the swap */
- if (IS_SWAPFILE(bd_inode) && !hibernation_available())
+ if (IS_SWAPFILE(bd_inode) && !is_hibernate_resume_dev(bd_inode))
return -ETXTBSY;
if (!iov_iter_count(from))
@@ -2076,7 +2066,7 @@ static int blkdev_writepages(struct address_space *mapping,
static const struct address_space_operations def_blk_aops = {
.readpage = blkdev_readpage,
- .readpages = blkdev_readpages,
+ .readahead = blkdev_readahead,
.writepage = blkdev_writepage,
.write_begin = blkdev_write_begin,
.write_end = blkdev_write_end,
@@ -2174,18 +2164,6 @@ const struct file_operations def_blk_fops = {
.fallocate = blkdev_fallocate,
};
-int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg)
-{
- int res;
- mm_segment_t old_fs = get_fs();
- set_fs(KERNEL_DS);
- res = blkdev_ioctl(bdev, 0, cmd, arg);
- set_fs(old_fs);
- return res;
-}
-
-EXPORT_SYMBOL(ioctl_by_bdev);
-
/**
* lookup_bdev - lookup a struct block_device by name
* @pathname: special file representing the block device
diff --git a/fs/btrfs/Kconfig b/fs/btrfs/Kconfig
index 575636f6491e..68b95ad82126 100644
--- a/fs/btrfs/Kconfig
+++ b/fs/btrfs/Kconfig
@@ -14,6 +14,7 @@ config BTRFS_FS
select LZO_DECOMPRESS
select ZSTD_COMPRESS
select ZSTD_DECOMPRESS
+ select FS_IOMAP
select RAID6_PQ
select XOR_BLOCKS
select SRCU
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 9c380e7edf62..d888e71e66b6 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -13,6 +13,7 @@
#include "transaction.h"
#include "delayed-ref.h"
#include "locking.h"
+#include "misc.h"
/* Just an arbitrary number so we can be sure this happened */
#define BACKREF_FOUND_SHARED 6
@@ -391,7 +392,7 @@ static int is_shared_data_backref(struct preftrees *preftrees, u64 bytenr)
struct rb_node **p = &preftrees->direct.root.rb_root.rb_node;
struct rb_node *parent = NULL;
struct prelim_ref *ref = NULL;
- struct prelim_ref target = {0};
+ struct prelim_ref target = {};
int result;
target.parent = bytenr;
@@ -537,18 +538,13 @@ static int resolve_indirect_ref(struct btrfs_fs_info *fs_info,
const u64 *extent_item_pos, bool ignore_offset)
{
struct btrfs_root *root;
- struct btrfs_key root_key;
struct extent_buffer *eb;
int ret = 0;
int root_level;
int level = ref->level;
struct btrfs_key search_key = ref->key_for_search;
- root_key.objectid = ref->root_id;
- root_key.type = BTRFS_ROOT_ITEM_KEY;
- root_key.offset = (u64)-1;
-
- root = btrfs_get_fs_root(fs_info, &root_key, false);
+ root = btrfs_get_fs_root(fs_info, ref->root_id, false);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
goto out_free;
@@ -2295,3 +2291,832 @@ void free_ipath(struct inode_fs_paths *ipath)
kvfree(ipath->fspath);
kfree(ipath);
}
+
+struct btrfs_backref_iter *btrfs_backref_iter_alloc(
+ struct btrfs_fs_info *fs_info, gfp_t gfp_flag)
+{
+ struct btrfs_backref_iter *ret;
+
+ ret = kzalloc(sizeof(*ret), gfp_flag);
+ if (!ret)
+ return NULL;
+
+ ret->path = btrfs_alloc_path();
+ if (!ret) {
+ kfree(ret);
+ return NULL;
+ }
+
+ /* Current backref iterator only supports iteration in commit root */
+ ret->path->search_commit_root = 1;
+ ret->path->skip_locking = 1;
+ ret->fs_info = fs_info;
+
+ return ret;
+}
+
+int btrfs_backref_iter_start(struct btrfs_backref_iter *iter, u64 bytenr)
+{
+ struct btrfs_fs_info *fs_info = iter->fs_info;
+ struct btrfs_path *path = iter->path;
+ struct btrfs_extent_item *ei;
+ struct btrfs_key key;
+ int ret;
+
+ key.objectid = bytenr;
+ key.type = BTRFS_METADATA_ITEM_KEY;
+ key.offset = (u64)-1;
+ iter->bytenr = bytenr;
+
+ ret = btrfs_search_slot(NULL, fs_info->extent_root, &key, path, 0, 0);
+ if (ret < 0)
+ return ret;
+ if (ret == 0) {
+ ret = -EUCLEAN;
+ goto release;
+ }
+ if (path->slots[0] == 0) {
+ WARN_ON(IS_ENABLED(CONFIG_BTRFS_DEBUG));
+ ret = -EUCLEAN;
+ goto release;
+ }
+ path->slots[0]--;
+
+ btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
+ if ((key.type != BTRFS_EXTENT_ITEM_KEY &&
+ key.type != BTRFS_METADATA_ITEM_KEY) || key.objectid != bytenr) {
+ ret = -ENOENT;
+ goto release;
+ }
+ memcpy(&iter->cur_key, &key, sizeof(key));
+ iter->item_ptr = (u32)btrfs_item_ptr_offset(path->nodes[0],
+ path->slots[0]);
+ iter->end_ptr = (u32)(iter->item_ptr +
+ btrfs_item_size_nr(path->nodes[0], path->slots[0]));
+ ei = btrfs_item_ptr(path->nodes[0], path->slots[0],
+ struct btrfs_extent_item);
+
+ /*
+ * Only support iteration on tree backref yet.
+ *
+ * This is an extra precaution for non skinny-metadata, where
+ * EXTENT_ITEM is also used for tree blocks, that we can only use
+ * extent flags to determine if it's a tree block.
+ */
+ if (btrfs_extent_flags(path->nodes[0], ei) & BTRFS_EXTENT_FLAG_DATA) {
+ ret = -ENOTSUPP;
+ goto release;
+ }
+ iter->cur_ptr = (u32)(iter->item_ptr + sizeof(*ei));
+
+ /* If there is no inline backref, go search for keyed backref */
+ if (iter->cur_ptr >= iter->end_ptr) {
+ ret = btrfs_next_item(fs_info->extent_root, path);
+
+ /* No inline nor keyed ref */
+ if (ret > 0) {
+ ret = -ENOENT;
+ goto release;
+ }
+ if (ret < 0)
+ goto release;
+
+ btrfs_item_key_to_cpu(path->nodes[0], &iter->cur_key,
+ path->slots[0]);
+ if (iter->cur_key.objectid != bytenr ||
+ (iter->cur_key.type != BTRFS_SHARED_BLOCK_REF_KEY &&
+ iter->cur_key.type != BTRFS_TREE_BLOCK_REF_KEY)) {
+ ret = -ENOENT;
+ goto release;
+ }
+ iter->cur_ptr = (u32)btrfs_item_ptr_offset(path->nodes[0],
+ path->slots[0]);
+ iter->item_ptr = iter->cur_ptr;
+ iter->end_ptr = (u32)(iter->item_ptr + btrfs_item_size_nr(
+ path->nodes[0], path->slots[0]));
+ }
+
+ return 0;
+release:
+ btrfs_backref_iter_release(iter);
+ return ret;
+}
+
+/*
+ * Go to the next backref item of current bytenr, can be either inlined or
+ * keyed.
+ *
+ * Caller needs to check whether it's inline ref or not by iter->cur_key.
+ *
+ * Return 0 if we get next backref without problem.
+ * Return >0 if there is no extra backref for this bytenr.
+ * Return <0 if there is something wrong happened.
+ */
+int btrfs_backref_iter_next(struct btrfs_backref_iter *iter)
+{
+ struct extent_buffer *eb = btrfs_backref_get_eb(iter);
+ struct btrfs_path *path = iter->path;
+ struct btrfs_extent_inline_ref *iref;
+ int ret;
+ u32 size;
+
+ if (btrfs_backref_iter_is_inline_ref(iter)) {
+ /* We're still inside the inline refs */
+ ASSERT(iter->cur_ptr < iter->end_ptr);
+
+ if (btrfs_backref_has_tree_block_info(iter)) {
+ /* First tree block info */
+ size = sizeof(struct btrfs_tree_block_info);
+ } else {
+ /* Use inline ref type to determine the size */
+ int type;
+
+ iref = (struct btrfs_extent_inline_ref *)
+ ((unsigned long)iter->cur_ptr);
+ type = btrfs_extent_inline_ref_type(eb, iref);
+
+ size = btrfs_extent_inline_ref_size(type);
+ }
+ iter->cur_ptr += size;
+ if (iter->cur_ptr < iter->end_ptr)
+ return 0;
+
+ /* All inline items iterated, fall through */
+ }
+
+ /* We're at keyed items, there is no inline item, go to the next one */
+ ret = btrfs_next_item(iter->fs_info->extent_root, iter->path);
+ if (ret)
+ return ret;
+
+ btrfs_item_key_to_cpu(path->nodes[0], &iter->cur_key, path->slots[0]);
+ if (iter->cur_key.objectid != iter->bytenr ||
+ (iter->cur_key.type != BTRFS_TREE_BLOCK_REF_KEY &&
+ iter->cur_key.type != BTRFS_SHARED_BLOCK_REF_KEY))
+ return 1;
+ iter->item_ptr = (u32)btrfs_item_ptr_offset(path->nodes[0],
+ path->slots[0]);
+ iter->cur_ptr = iter->item_ptr;
+ iter->end_ptr = iter->item_ptr + (u32)btrfs_item_size_nr(path->nodes[0],
+ path->slots[0]);
+ return 0;
+}
+
+void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,
+ struct btrfs_backref_cache *cache, int is_reloc)
+{
+ int i;
+
+ cache->rb_root = RB_ROOT;
+ for (i = 0; i < BTRFS_MAX_LEVEL; i++)
+ INIT_LIST_HEAD(&cache->pending[i]);
+ INIT_LIST_HEAD(&cache->changed);
+ INIT_LIST_HEAD(&cache->detached);
+ INIT_LIST_HEAD(&cache->leaves);
+ INIT_LIST_HEAD(&cache->pending_edge);
+ INIT_LIST_HEAD(&cache->useless_node);
+ cache->fs_info = fs_info;
+ cache->is_reloc = is_reloc;
+}
+
+struct btrfs_backref_node *btrfs_backref_alloc_node(
+ struct btrfs_backref_cache *cache, u64 bytenr, int level)
+{
+ struct btrfs_backref_node *node;
+
+ ASSERT(level >= 0 && level < BTRFS_MAX_LEVEL);
+ node = kzalloc(sizeof(*node), GFP_NOFS);
+ if (!node)
+ return node;
+
+ INIT_LIST_HEAD(&node->list);
+ INIT_LIST_HEAD(&node->upper);
+ INIT_LIST_HEAD(&node->lower);
+ RB_CLEAR_NODE(&node->rb_node);
+ cache->nr_nodes++;
+ node->level = level;
+ node->bytenr = bytenr;
+
+ return node;
+}
+
+struct btrfs_backref_edge *btrfs_backref_alloc_edge(
+ struct btrfs_backref_cache *cache)
+{
+ struct btrfs_backref_edge *edge;
+
+ edge = kzalloc(sizeof(*edge), GFP_NOFS);
+ if (edge)
+ cache->nr_edges++;
+ return edge;
+}
+
+/*
+ * Drop the backref node from cache, also cleaning up all its
+ * upper edges and any uncached nodes in the path.
+ *
+ * This cleanup happens bottom up, thus the node should either
+ * be the lowest node in the cache or a detached node.
+ */
+void btrfs_backref_cleanup_node(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node)
+{
+ struct btrfs_backref_node *upper;
+ struct btrfs_backref_edge *edge;
+
+ if (!node)
+ return;
+
+ BUG_ON(!node->lowest && !node->detached);
+ while (!list_empty(&node->upper)) {
+ edge = list_entry(node->upper.next, struct btrfs_backref_edge,
+ list[LOWER]);
+ upper = edge->node[UPPER];
+ list_del(&edge->list[LOWER]);
+ list_del(&edge->list[UPPER]);
+ btrfs_backref_free_edge(cache, edge);
+
+ if (RB_EMPTY_NODE(&upper->rb_node)) {
+ BUG_ON(!list_empty(&node->upper));
+ btrfs_backref_drop_node(cache, node);
+ node = upper;
+ node->lowest = 1;
+ continue;
+ }
+ /*
+ * Add the node to leaf node list if no other child block
+ * cached.
+ */
+ if (list_empty(&upper->lower)) {
+ list_add_tail(&upper->lower, &cache->leaves);
+ upper->lowest = 1;
+ }
+ }
+
+ btrfs_backref_drop_node(cache, node);
+}
+
+/*
+ * Release all nodes/edges from current cache
+ */
+void btrfs_backref_release_cache(struct btrfs_backref_cache *cache)
+{
+ struct btrfs_backref_node *node;
+ int i;
+
+ while (!list_empty(&cache->detached)) {
+ node = list_entry(cache->detached.next,
+ struct btrfs_backref_node, list);
+ btrfs_backref_cleanup_node(cache, node);
+ }
+
+ while (!list_empty(&cache->leaves)) {
+ node = list_entry(cache->leaves.next,
+ struct btrfs_backref_node, lower);
+ btrfs_backref_cleanup_node(cache, node);
+ }
+
+ cache->last_trans = 0;
+
+ for (i = 0; i < BTRFS_MAX_LEVEL; i++)
+ ASSERT(list_empty(&cache->pending[i]));
+ ASSERT(list_empty(&cache->pending_edge));
+ ASSERT(list_empty(&cache->useless_node));
+ ASSERT(list_empty(&cache->changed));
+ ASSERT(list_empty(&cache->detached));
+ ASSERT(RB_EMPTY_ROOT(&cache->rb_root));
+ ASSERT(!cache->nr_nodes);
+ ASSERT(!cache->nr_edges);
+}
+
+/*
+ * Handle direct tree backref
+ *
+ * Direct tree backref means, the backref item shows its parent bytenr
+ * directly. This is for SHARED_BLOCK_REF backref (keyed or inlined).
+ *
+ * @ref_key: The converted backref key.
+ * For keyed backref, it's the item key.
+ * For inlined backref, objectid is the bytenr,
+ * type is btrfs_inline_ref_type, offset is
+ * btrfs_inline_ref_offset.
+ */
+static int handle_direct_tree_backref(struct btrfs_backref_cache *cache,
+ struct btrfs_key *ref_key,
+ struct btrfs_backref_node *cur)
+{
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_node *upper;
+ struct rb_node *rb_node;
+
+ ASSERT(ref_key->type == BTRFS_SHARED_BLOCK_REF_KEY);
+
+ /* Only reloc root uses backref pointing to itself */
+ if (ref_key->objectid == ref_key->offset) {
+ struct btrfs_root *root;
+
+ cur->is_reloc_root = 1;
+ /* Only reloc backref cache cares about a specific root */
+ if (cache->is_reloc) {
+ root = find_reloc_root(cache->fs_info, cur->bytenr);
+ if (WARN_ON(!root))
+ return -ENOENT;
+ cur->root = root;
+ } else {
+ /*
+ * For generic purpose backref cache, reloc root node
+ * is useless.
+ */
+ list_add(&cur->list, &cache->useless_node);
+ }
+ return 0;
+ }
+
+ edge = btrfs_backref_alloc_edge(cache);
+ if (!edge)
+ return -ENOMEM;
+
+ rb_node = rb_simple_search(&cache->rb_root, ref_key->offset);
+ if (!rb_node) {
+ /* Parent node not yet cached */
+ upper = btrfs_backref_alloc_node(cache, ref_key->offset,
+ cur->level + 1);
+ if (!upper) {
+ btrfs_backref_free_edge(cache, edge);
+ return -ENOMEM;
+ }
+
+ /*
+ * Backrefs for the upper level block isn't cached, add the
+ * block to pending list
+ */
+ list_add_tail(&edge->list[UPPER], &cache->pending_edge);
+ } else {
+ /* Parent node already cached */
+ upper = rb_entry(rb_node, struct btrfs_backref_node, rb_node);
+ ASSERT(upper->checked);
+ INIT_LIST_HEAD(&edge->list[UPPER]);
+ }
+ btrfs_backref_link_edge(edge, cur, upper, LINK_LOWER);
+ return 0;
+}
+
+/*
+ * Handle indirect tree backref
+ *
+ * Indirect tree backref means, we only know which tree the node belongs to.
+ * We still need to do a tree search to find out the parents. This is for
+ * TREE_BLOCK_REF backref (keyed or inlined).
+ *
+ * @ref_key: The same as @ref_key in handle_direct_tree_backref()
+ * @tree_key: The first key of this tree block.
+ * @path: A clean (released) path, to avoid allocating path everytime
+ * the function get called.
+ */
+static int handle_indirect_tree_backref(struct btrfs_backref_cache *cache,
+ struct btrfs_path *path,
+ struct btrfs_key *ref_key,
+ struct btrfs_key *tree_key,
+ struct btrfs_backref_node *cur)
+{
+ struct btrfs_fs_info *fs_info = cache->fs_info;
+ struct btrfs_backref_node *upper;
+ struct btrfs_backref_node *lower;
+ struct btrfs_backref_edge *edge;
+ struct extent_buffer *eb;
+ struct btrfs_root *root;
+ struct rb_node *rb_node;
+ int level;
+ bool need_check = true;
+ int ret;
+
+ root = btrfs_get_fs_root(fs_info, ref_key->offset, false);
+ if (IS_ERR(root))
+ return PTR_ERR(root);
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
+ cur->cowonly = 1;
+
+ if (btrfs_root_level(&root->root_item) == cur->level) {
+ /* Tree root */
+ ASSERT(btrfs_root_bytenr(&root->root_item) == cur->bytenr);
+ /*
+ * For reloc backref cache, we may ignore reloc root. But for
+ * general purpose backref cache, we can't rely on
+ * btrfs_should_ignore_reloc_root() as it may conflict with
+ * current running relocation and lead to missing root.
+ *
+ * For general purpose backref cache, reloc root detection is
+ * completely relying on direct backref (key->offset is parent
+ * bytenr), thus only do such check for reloc cache.
+ */
+ if (btrfs_should_ignore_reloc_root(root) && cache->is_reloc) {
+ btrfs_put_root(root);
+ list_add(&cur->list, &cache->useless_node);
+ } else {
+ cur->root = root;
+ }
+ return 0;
+ }
+
+ level = cur->level + 1;
+
+ /* Search the tree to find parent blocks referring to the block */
+ path->search_commit_root = 1;
+ path->skip_locking = 1;
+ path->lowest_level = level;
+ ret = btrfs_search_slot(NULL, root, tree_key, path, 0, 0);
+ path->lowest_level = 0;
+ if (ret < 0) {
+ btrfs_put_root(root);
+ return ret;
+ }
+ if (ret > 0 && path->slots[level] > 0)
+ path->slots[level]--;
+
+ eb = path->nodes[level];
+ if (btrfs_node_blockptr(eb, path->slots[level]) != cur->bytenr) {
+ btrfs_err(fs_info,
+"couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)",
+ cur->bytenr, level - 1, root->root_key.objectid,
+ tree_key->objectid, tree_key->type, tree_key->offset);
+ btrfs_put_root(root);
+ ret = -ENOENT;
+ goto out;
+ }
+ lower = cur;
+
+ /* Add all nodes and edges in the path */
+ for (; level < BTRFS_MAX_LEVEL; level++) {
+ if (!path->nodes[level]) {
+ ASSERT(btrfs_root_bytenr(&root->root_item) ==
+ lower->bytenr);
+ /* Same as previous should_ignore_reloc_root() call */
+ if (btrfs_should_ignore_reloc_root(root) &&
+ cache->is_reloc) {
+ btrfs_put_root(root);
+ list_add(&lower->list, &cache->useless_node);
+ } else {
+ lower->root = root;
+ }
+ break;
+ }
+
+ edge = btrfs_backref_alloc_edge(cache);
+ if (!edge) {
+ btrfs_put_root(root);
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ eb = path->nodes[level];
+ rb_node = rb_simple_search(&cache->rb_root, eb->start);
+ if (!rb_node) {
+ upper = btrfs_backref_alloc_node(cache, eb->start,
+ lower->level + 1);
+ if (!upper) {
+ btrfs_put_root(root);
+ btrfs_backref_free_edge(cache, edge);
+ ret = -ENOMEM;
+ goto out;
+ }
+ upper->owner = btrfs_header_owner(eb);
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
+ upper->cowonly = 1;
+
+ /*
+ * If we know the block isn't shared we can avoid
+ * checking its backrefs.
+ */
+ if (btrfs_block_can_be_shared(root, eb))
+ upper->checked = 0;
+ else
+ upper->checked = 1;
+
+ /*
+ * Add the block to pending list if we need to check its
+ * backrefs, we only do this once while walking up a
+ * tree as we will catch anything else later on.
+ */
+ if (!upper->checked && need_check) {
+ need_check = false;
+ list_add_tail(&edge->list[UPPER],
+ &cache->pending_edge);
+ } else {
+ if (upper->checked)
+ need_check = true;
+ INIT_LIST_HEAD(&edge->list[UPPER]);
+ }
+ } else {
+ upper = rb_entry(rb_node, struct btrfs_backref_node,
+ rb_node);
+ ASSERT(upper->checked);
+ INIT_LIST_HEAD(&edge->list[UPPER]);
+ if (!upper->owner)
+ upper->owner = btrfs_header_owner(eb);
+ }
+ btrfs_backref_link_edge(edge, lower, upper, LINK_LOWER);
+
+ if (rb_node) {
+ btrfs_put_root(root);
+ break;
+ }
+ lower = upper;
+ upper = NULL;
+ }
+out:
+ btrfs_release_path(path);
+ return ret;
+}
+
+/*
+ * Add backref node @cur into @cache.
+ *
+ * NOTE: Even if the function returned 0, @cur is not yet cached as its upper
+ * links aren't yet bi-directional. Needs to finish such links.
+ * Use btrfs_backref_finish_upper_links() to finish such linkage.
+ *
+ * @path: Released path for indirect tree backref lookup
+ * @iter: Released backref iter for extent tree search
+ * @node_key: The first key of the tree block
+ */
+int btrfs_backref_add_tree_node(struct btrfs_backref_cache *cache,
+ struct btrfs_path *path,
+ struct btrfs_backref_iter *iter,
+ struct btrfs_key *node_key,
+ struct btrfs_backref_node *cur)
+{
+ struct btrfs_fs_info *fs_info = cache->fs_info;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_node *exist;
+ int ret;
+
+ ret = btrfs_backref_iter_start(iter, cur->bytenr);
+ if (ret < 0)
+ return ret;
+ /*
+ * We skip the first btrfs_tree_block_info, as we don't use the key
+ * stored in it, but fetch it from the tree block
+ */
+ if (btrfs_backref_has_tree_block_info(iter)) {
+ ret = btrfs_backref_iter_next(iter);
+ if (ret < 0)
+ goto out;
+ /* No extra backref? This means the tree block is corrupted */
+ if (ret > 0) {
+ ret = -EUCLEAN;
+ goto out;
+ }
+ }
+ WARN_ON(cur->checked);
+ if (!list_empty(&cur->upper)) {
+ /*
+ * The backref was added previously when processing backref of
+ * type BTRFS_TREE_BLOCK_REF_KEY
+ */
+ ASSERT(list_is_singular(&cur->upper));
+ edge = list_entry(cur->upper.next, struct btrfs_backref_edge,
+ list[LOWER]);
+ ASSERT(list_empty(&edge->list[UPPER]));
+ exist = edge->node[UPPER];
+ /*
+ * Add the upper level block to pending list if we need check
+ * its backrefs
+ */
+ if (!exist->checked)
+ list_add_tail(&edge->list[UPPER], &cache->pending_edge);
+ } else {
+ exist = NULL;
+ }
+
+ for (; ret == 0; ret = btrfs_backref_iter_next(iter)) {
+ struct extent_buffer *eb;
+ struct btrfs_key key;
+ int type;
+
+ cond_resched();
+ eb = btrfs_backref_get_eb(iter);
+
+ key.objectid = iter->bytenr;
+ if (btrfs_backref_iter_is_inline_ref(iter)) {
+ struct btrfs_extent_inline_ref *iref;
+
+ /* Update key for inline backref */
+ iref = (struct btrfs_extent_inline_ref *)
+ ((unsigned long)iter->cur_ptr);
+ type = btrfs_get_extent_inline_ref_type(eb, iref,
+ BTRFS_REF_TYPE_BLOCK);
+ if (type == BTRFS_REF_TYPE_INVALID) {
+ ret = -EUCLEAN;
+ goto out;
+ }
+ key.type = type;
+ key.offset = btrfs_extent_inline_ref_offset(eb, iref);
+ } else {
+ key.type = iter->cur_key.type;
+ key.offset = iter->cur_key.offset;
+ }
+
+ /*
+ * Parent node found and matches current inline ref, no need to
+ * rebuild this node for this inline ref
+ */
+ if (exist &&
+ ((key.type == BTRFS_TREE_BLOCK_REF_KEY &&
+ exist->owner == key.offset) ||
+ (key.type == BTRFS_SHARED_BLOCK_REF_KEY &&
+ exist->bytenr == key.offset))) {
+ exist = NULL;
+ continue;
+ }
+
+ /* SHARED_BLOCK_REF means key.offset is the parent bytenr */
+ if (key.type == BTRFS_SHARED_BLOCK_REF_KEY) {
+ ret = handle_direct_tree_backref(cache, &key, cur);
+ if (ret < 0)
+ goto out;
+ continue;
+ } else if (unlikely(key.type == BTRFS_EXTENT_REF_V0_KEY)) {
+ ret = -EINVAL;
+ btrfs_print_v0_err(fs_info);
+ btrfs_handle_fs_error(fs_info, ret, NULL);
+ goto out;
+ } else if (key.type != BTRFS_TREE_BLOCK_REF_KEY) {
+ continue;
+ }
+
+ /*
+ * key.type == BTRFS_TREE_BLOCK_REF_KEY, inline ref offset
+ * means the root objectid. We need to search the tree to get
+ * its parent bytenr.
+ */
+ ret = handle_indirect_tree_backref(cache, path, &key, node_key,
+ cur);
+ if (ret < 0)
+ goto out;
+ }
+ ret = 0;
+ cur->checked = 1;
+ WARN_ON(exist);
+out:
+ btrfs_backref_iter_release(iter);
+ return ret;
+}
+
+/*
+ * Finish the upwards linkage created by btrfs_backref_add_tree_node()
+ */
+int btrfs_backref_finish_upper_links(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *start)
+{
+ struct list_head *useless_node = &cache->useless_node;
+ struct btrfs_backref_edge *edge;
+ struct rb_node *rb_node;
+ LIST_HEAD(pending_edge);
+
+ ASSERT(start->checked);
+
+ /* Insert this node to cache if it's not COW-only */
+ if (!start->cowonly) {
+ rb_node = rb_simple_insert(&cache->rb_root, start->bytenr,
+ &start->rb_node);
+ if (rb_node)
+ btrfs_backref_panic(cache->fs_info, start->bytenr,
+ -EEXIST);
+ list_add_tail(&start->lower, &cache->leaves);
+ }
+
+ /*
+ * Use breadth first search to iterate all related edges.
+ *
+ * The starting points are all the edges of this node
+ */
+ list_for_each_entry(edge, &start->upper, list[LOWER])
+ list_add_tail(&edge->list[UPPER], &pending_edge);
+
+ while (!list_empty(&pending_edge)) {
+ struct btrfs_backref_node *upper;
+ struct btrfs_backref_node *lower;
+ struct rb_node *rb_node;
+
+ edge = list_first_entry(&pending_edge,
+ struct btrfs_backref_edge, list[UPPER]);
+ list_del_init(&edge->list[UPPER]);
+ upper = edge->node[UPPER];
+ lower = edge->node[LOWER];
+
+ /* Parent is detached, no need to keep any edges */
+ if (upper->detached) {
+ list_del(&edge->list[LOWER]);
+ btrfs_backref_free_edge(cache, edge);
+
+ /* Lower node is orphan, queue for cleanup */
+ if (list_empty(&lower->upper))
+ list_add(&lower->list, useless_node);
+ continue;
+ }
+
+ /*
+ * All new nodes added in current build_backref_tree() haven't
+ * been linked to the cache rb tree.
+ * So if we have upper->rb_node populated, this means a cache
+ * hit. We only need to link the edge, as @upper and all its
+ * parents have already been linked.
+ */
+ if (!RB_EMPTY_NODE(&upper->rb_node)) {
+ if (upper->lowest) {
+ list_del_init(&upper->lower);
+ upper->lowest = 0;
+ }
+
+ list_add_tail(&edge->list[UPPER], &upper->lower);
+ continue;
+ }
+
+ /* Sanity check, we shouldn't have any unchecked nodes */
+ if (!upper->checked) {
+ ASSERT(0);
+ return -EUCLEAN;
+ }
+
+ /* Sanity check, COW-only node has non-COW-only parent */
+ if (start->cowonly != upper->cowonly) {
+ ASSERT(0);
+ return -EUCLEAN;
+ }
+
+ /* Only cache non-COW-only (subvolume trees) tree blocks */
+ if (!upper->cowonly) {
+ rb_node = rb_simple_insert(&cache->rb_root, upper->bytenr,
+ &upper->rb_node);
+ if (rb_node) {
+ btrfs_backref_panic(cache->fs_info,
+ upper->bytenr, -EEXIST);
+ return -EUCLEAN;
+ }
+ }
+
+ list_add_tail(&edge->list[UPPER], &upper->lower);
+
+ /*
+ * Also queue all the parent edges of this uncached node
+ * to finish the upper linkage
+ */
+ list_for_each_entry(edge, &upper->upper, list[LOWER])
+ list_add_tail(&edge->list[UPPER], &pending_edge);
+ }
+ return 0;
+}
+
+void btrfs_backref_error_cleanup(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node)
+{
+ struct btrfs_backref_node *lower;
+ struct btrfs_backref_node *upper;
+ struct btrfs_backref_edge *edge;
+
+ while (!list_empty(&cache->useless_node)) {
+ lower = list_first_entry(&cache->useless_node,
+ struct btrfs_backref_node, list);
+ list_del_init(&lower->list);
+ }
+ while (!list_empty(&cache->pending_edge)) {
+ edge = list_first_entry(&cache->pending_edge,
+ struct btrfs_backref_edge, list[UPPER]);
+ list_del(&edge->list[UPPER]);
+ list_del(&edge->list[LOWER]);
+ lower = edge->node[LOWER];
+ upper = edge->node[UPPER];
+ btrfs_backref_free_edge(cache, edge);
+
+ /*
+ * Lower is no longer linked to any upper backref nodes and
+ * isn't in the cache, we can free it ourselves.
+ */
+ if (list_empty(&lower->upper) &&
+ RB_EMPTY_NODE(&lower->rb_node))
+ list_add(&lower->list, &cache->useless_node);
+
+ if (!RB_EMPTY_NODE(&upper->rb_node))
+ continue;
+
+ /* Add this guy's upper edges to the list to process */
+ list_for_each_entry(edge, &upper->upper, list[LOWER])
+ list_add_tail(&edge->list[UPPER],
+ &cache->pending_edge);
+ if (list_empty(&upper->upper))
+ list_add(&upper->list, &cache->useless_node);
+ }
+
+ while (!list_empty(&cache->useless_node)) {
+ lower = list_first_entry(&cache->useless_node,
+ struct btrfs_backref_node, list);
+ list_del_init(&lower->list);
+ if (lower == node)
+ node = NULL;
+ btrfs_backref_free_node(cache, lower);
+ }
+
+ btrfs_backref_cleanup_node(cache, node);
+ ASSERT(list_empty(&cache->useless_node) &&
+ list_empty(&cache->pending_edge));
+}
diff --git a/fs/btrfs/backref.h b/fs/btrfs/backref.h
index 723d6da99114..ff705cc564a9 100644
--- a/fs/btrfs/backref.h
+++ b/fs/btrfs/backref.h
@@ -8,6 +8,7 @@
#include <linux/btrfs.h>
#include "ulist.h"
+#include "disk-io.h"
#include "extent_io.h"
struct inode_fs_paths {
@@ -78,4 +79,300 @@ struct prelim_ref {
u64 wanted_disk_byte;
};
+/*
+ * Iterate backrefs of one extent.
+ *
+ * Now it only supports iteration of tree block in commit root.
+ */
+struct btrfs_backref_iter {
+ u64 bytenr;
+ struct btrfs_path *path;
+ struct btrfs_fs_info *fs_info;
+ struct btrfs_key cur_key;
+ u32 item_ptr;
+ u32 cur_ptr;
+ u32 end_ptr;
+};
+
+struct btrfs_backref_iter *btrfs_backref_iter_alloc(
+ struct btrfs_fs_info *fs_info, gfp_t gfp_flag);
+
+static inline void btrfs_backref_iter_free(struct btrfs_backref_iter *iter)
+{
+ if (!iter)
+ return;
+ btrfs_free_path(iter->path);
+ kfree(iter);
+}
+
+static inline struct extent_buffer *btrfs_backref_get_eb(
+ struct btrfs_backref_iter *iter)
+{
+ if (!iter)
+ return NULL;
+ return iter->path->nodes[0];
+}
+
+/*
+ * For metadata with EXTENT_ITEM key (non-skinny) case, the first inline data
+ * is btrfs_tree_block_info, without a btrfs_extent_inline_ref header.
+ *
+ * This helper determines if that's the case.
+ */
+static inline bool btrfs_backref_has_tree_block_info(
+ struct btrfs_backref_iter *iter)
+{
+ if (iter->cur_key.type == BTRFS_EXTENT_ITEM_KEY &&
+ iter->cur_ptr - iter->item_ptr == sizeof(struct btrfs_extent_item))
+ return true;
+ return false;
+}
+
+int btrfs_backref_iter_start(struct btrfs_backref_iter *iter, u64 bytenr);
+
+int btrfs_backref_iter_next(struct btrfs_backref_iter *iter);
+
+static inline bool btrfs_backref_iter_is_inline_ref(
+ struct btrfs_backref_iter *iter)
+{
+ if (iter->cur_key.type == BTRFS_EXTENT_ITEM_KEY ||
+ iter->cur_key.type == BTRFS_METADATA_ITEM_KEY)
+ return true;
+ return false;
+}
+
+static inline void btrfs_backref_iter_release(struct btrfs_backref_iter *iter)
+{
+ iter->bytenr = 0;
+ iter->item_ptr = 0;
+ iter->cur_ptr = 0;
+ iter->end_ptr = 0;
+ btrfs_release_path(iter->path);
+ memset(&iter->cur_key, 0, sizeof(iter->cur_key));
+}
+
+/*
+ * Backref cache related structures
+ *
+ * The whole objective of backref_cache is to build a bi-directional map
+ * of tree blocks (represented by backref_node) and all their parents.
+ */
+
+/*
+ * Represent a tree block in the backref cache
+ */
+struct btrfs_backref_node {
+ struct {
+ struct rb_node rb_node;
+ u64 bytenr;
+ }; /* Use rb_simple_node for search/insert */
+
+ u64 new_bytenr;
+ /* Objectid of tree block owner, can be not uptodate */
+ u64 owner;
+ /* Link to pending, changed or detached list */
+ struct list_head list;
+
+ /* List of upper level edges, which link this node to its parents */
+ struct list_head upper;
+ /* List of lower level edges, which link this node to its children */
+ struct list_head lower;
+
+ /* NULL if this node is not tree root */
+ struct btrfs_root *root;
+ /* Extent buffer got by COWing the block */
+ struct extent_buffer *eb;
+ /* Level of the tree block */
+ unsigned int level:8;
+ /* Is the block in a non-shareable tree */
+ unsigned int cowonly:1;
+ /* 1 if no child node is in the cache */
+ unsigned int lowest:1;
+ /* Is the extent buffer locked */
+ unsigned int locked:1;
+ /* Has the block been processed */
+ unsigned int processed:1;
+ /* Have backrefs of this block been checked */
+ unsigned int checked:1;
+ /*
+ * 1 if corresponding block has been COWed but some upper level block
+ * pointers may not point to the new location
+ */
+ unsigned int pending:1;
+ /* 1 if the backref node isn't connected to any other backref node */
+ unsigned int detached:1;
+
+ /*
+ * For generic purpose backref cache, where we only care if it's a reloc
+ * root, doesn't care the source subvolid.
+ */
+ unsigned int is_reloc_root:1;
+};
+
+#define LOWER 0
+#define UPPER 1
+
+/*
+ * Represent an edge connecting upper and lower backref nodes.
+ */
+struct btrfs_backref_edge {
+ /*
+ * list[LOWER] is linked to btrfs_backref_node::upper of lower level
+ * node, and list[UPPER] is linked to btrfs_backref_node::lower of
+ * upper level node.
+ *
+ * Also, build_backref_tree() uses list[UPPER] for pending edges, before
+ * linking list[UPPER] to its upper level nodes.
+ */
+ struct list_head list[2];
+
+ /* Two related nodes */
+ struct btrfs_backref_node *node[2];
+};
+
+struct btrfs_backref_cache {
+ /* Red black tree of all backref nodes in the cache */
+ struct rb_root rb_root;
+ /* For passing backref nodes to btrfs_reloc_cow_block */
+ struct btrfs_backref_node *path[BTRFS_MAX_LEVEL];
+ /*
+ * List of blocks that have been COWed but some block pointers in upper
+ * level blocks may not reflect the new location
+ */
+ struct list_head pending[BTRFS_MAX_LEVEL];
+ /* List of backref nodes with no child node */
+ struct list_head leaves;
+ /* List of blocks that have been COWed in current transaction */
+ struct list_head changed;
+ /* List of detached backref node. */
+ struct list_head detached;
+
+ u64 last_trans;
+
+ int nr_nodes;
+ int nr_edges;
+
+ /* List of unchecked backref edges during backref cache build */
+ struct list_head pending_edge;
+
+ /* List of useless backref nodes during backref cache build */
+ struct list_head useless_node;
+
+ struct btrfs_fs_info *fs_info;
+
+ /*
+ * Whether this cache is for relocation
+ *
+ * Reloction backref cache require more info for reloc root compared
+ * to generic backref cache.
+ */
+ unsigned int is_reloc;
+};
+
+void btrfs_backref_init_cache(struct btrfs_fs_info *fs_info,
+ struct btrfs_backref_cache *cache, int is_reloc);
+struct btrfs_backref_node *btrfs_backref_alloc_node(
+ struct btrfs_backref_cache *cache, u64 bytenr, int level);
+struct btrfs_backref_edge *btrfs_backref_alloc_edge(
+ struct btrfs_backref_cache *cache);
+
+#define LINK_LOWER (1 << 0)
+#define LINK_UPPER (1 << 1)
+static inline void btrfs_backref_link_edge(struct btrfs_backref_edge *edge,
+ struct btrfs_backref_node *lower,
+ struct btrfs_backref_node *upper,
+ int link_which)
+{
+ ASSERT(upper && lower && upper->level == lower->level + 1);
+ edge->node[LOWER] = lower;
+ edge->node[UPPER] = upper;
+ if (link_which & LINK_LOWER)
+ list_add_tail(&edge->list[LOWER], &lower->upper);
+ if (link_which & LINK_UPPER)
+ list_add_tail(&edge->list[UPPER], &upper->lower);
+}
+
+static inline void btrfs_backref_free_node(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node)
+{
+ if (node) {
+ cache->nr_nodes--;
+ btrfs_put_root(node->root);
+ kfree(node);
+ }
+}
+
+static inline void btrfs_backref_free_edge(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_edge *edge)
+{
+ if (edge) {
+ cache->nr_edges--;
+ kfree(edge);
+ }
+}
+
+static inline void btrfs_backref_unlock_node_buffer(
+ struct btrfs_backref_node *node)
+{
+ if (node->locked) {
+ btrfs_tree_unlock(node->eb);
+ node->locked = 0;
+ }
+}
+
+static inline void btrfs_backref_drop_node_buffer(
+ struct btrfs_backref_node *node)
+{
+ if (node->eb) {
+ btrfs_backref_unlock_node_buffer(node);
+ free_extent_buffer(node->eb);
+ node->eb = NULL;
+ }
+}
+
+/*
+ * Drop the backref node from cache without cleaning up its children
+ * edges.
+ *
+ * This can only be called on node without parent edges.
+ * The children edges are still kept as is.
+ */
+static inline void btrfs_backref_drop_node(struct btrfs_backref_cache *tree,
+ struct btrfs_backref_node *node)
+{
+ BUG_ON(!list_empty(&node->upper));
+
+ btrfs_backref_drop_node_buffer(node);
+ list_del(&node->list);
+ list_del(&node->lower);
+ if (!RB_EMPTY_NODE(&node->rb_node))
+ rb_erase(&node->rb_node, &tree->rb_root);
+ btrfs_backref_free_node(tree, node);
+}
+
+void btrfs_backref_cleanup_node(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node);
+
+void btrfs_backref_release_cache(struct btrfs_backref_cache *cache);
+
+static inline void btrfs_backref_panic(struct btrfs_fs_info *fs_info,
+ u64 bytenr, int errno)
+{
+ btrfs_panic(fs_info, errno,
+ "Inconsistency in backref cache found at offset %llu",
+ bytenr);
+}
+
+int btrfs_backref_add_tree_node(struct btrfs_backref_cache *cache,
+ struct btrfs_path *path,
+ struct btrfs_backref_iter *iter,
+ struct btrfs_key *node_key,
+ struct btrfs_backref_node *cur);
+
+int btrfs_backref_finish_upper_links(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *start);
+
+void btrfs_backref_error_cleanup(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node);
+
#endif
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index 47f66c6a7d7f..176e8a292fd1 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -7,7 +7,6 @@
#include "disk-io.h"
#include "free-space-cache.h"
#include "free-space-tree.h"
-#include "disk-io.h"
#include "volumes.h"
#include "transaction.h"
#include "ref-verify.h"
@@ -161,6 +160,8 @@ static int btrfs_add_block_group_cache(struct btrfs_fs_info *info,
struct rb_node *parent = NULL;
struct btrfs_block_group *cache;
+ ASSERT(block_group->length != 0);
+
spin_lock(&info->block_group_cache_lock);
p = &info->block_group_cache_tree.rb_node;
@@ -863,11 +864,34 @@ static void clear_incompat_bg_bits(struct btrfs_fs_info *fs_info, u64 flags)
}
}
+static int remove_block_group_item(struct btrfs_trans_handle *trans,
+ struct btrfs_path *path,
+ struct btrfs_block_group *block_group)
+{
+ struct btrfs_fs_info *fs_info = trans->fs_info;
+ struct btrfs_root *root;
+ struct btrfs_key key;
+ int ret;
+
+ root = fs_info->extent_root;
+ key.objectid = block_group->start;
+ key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
+ key.offset = block_group->length;
+
+ ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
+ if (ret > 0)
+ ret = -ENOENT;
+ if (ret < 0)
+ return ret;
+
+ ret = btrfs_del_item(trans, root, path);
+ return ret;
+}
+
int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
u64 group_start, struct extent_map *em)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
- struct btrfs_root *root = fs_info->extent_root;
struct btrfs_path *path;
struct btrfs_block_group *block_group;
struct btrfs_free_cluster *cluster;
@@ -916,7 +940,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
path = btrfs_alloc_path();
if (!path) {
ret = -ENOMEM;
- goto out;
+ goto out_put_group;
}
/*
@@ -954,7 +978,7 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
ret = btrfs_orphan_add(trans, BTRFS_I(inode));
if (ret) {
btrfs_add_delayed_iput(inode);
- goto out;
+ goto out_put_group;
}
clear_nlink(inode);
/* One for the block groups ref */
@@ -977,13 +1001,13 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
ret = btrfs_search_slot(trans, tree_root, &key, path, -1, 1);
if (ret < 0)
- goto out;
+ goto out_put_group;
if (ret > 0)
btrfs_release_path(path);
if (ret == 0) {
ret = btrfs_del_item(trans, tree_root, path);
if (ret)
- goto out;
+ goto out_put_group;
btrfs_release_path(path);
}
@@ -1065,26 +1089,25 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
spin_unlock(&block_group->space_info->lock);
- key.objectid = block_group->start;
- key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
- key.offset = block_group->length;
-
mutex_lock(&fs_info->chunk_mutex);
spin_lock(&block_group->lock);
block_group->removed = 1;
/*
- * At this point trimming can't start on this block group, because we
- * removed the block group from the tree fs_info->block_group_cache_tree
- * so no one can't find it anymore and even if someone already got this
- * block group before we removed it from the rbtree, they have already
- * incremented block_group->trimming - if they didn't, they won't find
- * any free space entries because we already removed them all when we
- * called btrfs_remove_free_space_cache().
+ * At this point trimming or scrub can't start on this block group,
+ * because we removed the block group from the rbtree
+ * fs_info->block_group_cache_tree so no one can't find it anymore and
+ * even if someone already got this block group before we removed it
+ * from the rbtree, they have already incremented block_group->frozen -
+ * if they didn't, for the trimming case they won't find any free space
+ * entries because we already removed them all when we called
+ * btrfs_remove_free_space_cache().
*
* And we must not remove the extent map from the fs_info->mapping_tree
* to prevent the same logical address range and physical device space
- * ranges from being reused for a new block group. This is because our
- * fs trim operation (btrfs_trim_fs() / btrfs_ioctl_fitrim()) is
+ * ranges from being reused for a new block group. This is needed to
+ * avoid races with trimming and scrub.
+ *
+ * An fs trim operation (btrfs_trim_fs() / btrfs_ioctl_fitrim()) is
* completely transactionless, so while it is trimming a range the
* currently running transaction might finish and a new one start,
* allowing for new block groups to be created that can reuse the same
@@ -1095,28 +1118,22 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
* in place until the extents have been discarded completely when
* the transaction commit has completed.
*/
- remove_em = (atomic_read(&block_group->trimming) == 0);
+ remove_em = (atomic_read(&block_group->frozen) == 0);
spin_unlock(&block_group->lock);
mutex_unlock(&fs_info->chunk_mutex);
ret = remove_block_group_free_space(trans, block_group);
if (ret)
- goto out;
+ goto out_put_group;
- btrfs_put_block_group(block_group);
+ /* Once for the block groups rbtree */
btrfs_put_block_group(block_group);
- ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
- if (ret > 0)
- ret = -EIO;
+ ret = remove_block_group_item(trans, path, block_group);
if (ret < 0)
goto out;
- ret = btrfs_del_item(trans, root, path);
- if (ret)
- goto out;
-
if (remove_em) {
struct extent_map_tree *em_tree;
@@ -1127,6 +1144,10 @@ int btrfs_remove_block_group(struct btrfs_trans_handle *trans,
/* once for the tree */
free_extent_map(em);
}
+
+out_put_group:
+ /* Once for the lookup reference */
+ btrfs_put_block_group(block_group);
out:
if (remove_rsv)
btrfs_delayed_refs_rsv_release(fs_info, 1);
@@ -1171,7 +1192,7 @@ struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
free_extent_map(em);
return btrfs_start_transaction_fallback_global_rsv(fs_info->extent_root,
- num_items, 1);
+ num_items);
}
/*
@@ -1280,21 +1301,17 @@ static bool clean_pinned_extents(struct btrfs_trans_handle *trans,
ret = clear_extent_bits(&prev_trans->pinned_extents, start, end,
EXTENT_DIRTY);
if (ret)
- goto err;
+ goto out;
}
ret = clear_extent_bits(&trans->transaction->pinned_extents, start, end,
EXTENT_DIRTY);
- if (ret)
- goto err;
+out:
mutex_unlock(&fs_info->unused_bg_unpin_mutex);
+ if (prev_trans)
+ btrfs_put_transaction(prev_trans);
- return true;
-
-err:
- mutex_unlock(&fs_info->unused_bg_unpin_mutex);
- btrfs_dec_block_group_ro(bg);
- return false;
+ return ret == 0;
}
/*
@@ -1392,8 +1409,10 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
* We could have pending pinned extents for this block group,
* just delete them, we don't care about them anymore.
*/
- if (!clean_pinned_extents(trans, block_group))
+ if (!clean_pinned_extents(trans, block_group)) {
+ btrfs_dec_block_group_ro(block_group);
goto end_trans;
+ }
/*
* At this point, the block_group is read only and should fail
@@ -1442,7 +1461,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
/* Implicit trim during transaction commit. */
if (trimming)
- btrfs_get_block_group_trimming(block_group);
+ btrfs_freeze_block_group(block_group);
/*
* Btrfs_remove_chunk will abort the transaction if things go
@@ -1452,7 +1471,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info)
if (ret) {
if (trimming)
- btrfs_put_block_group_trimming(block_group);
+ btrfs_unfreeze_block_group(block_group);
goto end_trans;
}
@@ -1766,7 +1785,7 @@ static void link_block_group(struct btrfs_block_group *cache)
}
static struct btrfs_block_group *btrfs_create_block_group_cache(
- struct btrfs_fs_info *fs_info, u64 start, u64 size)
+ struct btrfs_fs_info *fs_info, u64 start)
{
struct btrfs_block_group *cache;
@@ -1782,7 +1801,6 @@ static struct btrfs_block_group *btrfs_create_block_group_cache(
}
cache->start = start;
- cache->length = size;
cache->fs_info = fs_info;
cache->full_stripe_len = btrfs_full_stripe_len(fs_info, start);
@@ -1801,7 +1819,7 @@ static struct btrfs_block_group *btrfs_create_block_group_cache(
INIT_LIST_HEAD(&cache->dirty_list);
INIT_LIST_HEAD(&cache->io_list);
btrfs_init_free_space_ctl(cache);
- atomic_set(&cache->trimming, 0);
+ atomic_set(&cache->frozen, 0);
mutex_init(&cache->free_space_lock);
btrfs_init_full_stripe_locks_tree(&cache->full_stripe_locks_root);
@@ -1862,25 +1880,44 @@ static int check_chunk_block_group_mappings(struct btrfs_fs_info *fs_info)
return ret;
}
+static int read_block_group_item(struct btrfs_block_group *cache,
+ struct btrfs_path *path,
+ const struct btrfs_key *key)
+{
+ struct extent_buffer *leaf = path->nodes[0];
+ struct btrfs_block_group_item bgi;
+ int slot = path->slots[0];
+
+ cache->length = key->offset;
+
+ read_extent_buffer(leaf, &bgi, btrfs_item_ptr_offset(leaf, slot),
+ sizeof(bgi));
+ cache->used = btrfs_stack_block_group_used(&bgi);
+ cache->flags = btrfs_stack_block_group_flags(&bgi);
+
+ return 0;
+}
+
static int read_one_block_group(struct btrfs_fs_info *info,
struct btrfs_path *path,
const struct btrfs_key *key,
int need_clear)
{
- struct extent_buffer *leaf = path->nodes[0];
struct btrfs_block_group *cache;
struct btrfs_space_info *space_info;
- struct btrfs_block_group_item bgi;
const bool mixed = btrfs_fs_incompat(info, MIXED_GROUPS);
- int slot = path->slots[0];
int ret;
ASSERT(key->type == BTRFS_BLOCK_GROUP_ITEM_KEY);
- cache = btrfs_create_block_group_cache(info, key->objectid, key->offset);
+ cache = btrfs_create_block_group_cache(info, key->objectid);
if (!cache)
return -ENOMEM;
+ ret = read_block_group_item(cache, path, key);
+ if (ret < 0)
+ goto error;
+
if (need_clear) {
/*
* When we mount with old space cache, we need to
@@ -1895,10 +1932,6 @@ static int read_one_block_group(struct btrfs_fs_info *info,
if (btrfs_test_opt(info, SPACE_CACHE))
cache->disk_cache_state = BTRFS_DC_CLEAR;
}
- read_extent_buffer(leaf, &bgi, btrfs_item_ptr_offset(leaf, slot),
- sizeof(bgi));
- cache->used = btrfs_stack_block_group_used(&bgi);
- cache->flags = btrfs_stack_block_group_flags(&bgi);
if (!mixed && ((cache->flags & BTRFS_BLOCK_GROUP_METADATA) &&
(cache->flags & BTRFS_BLOCK_GROUP_DATA))) {
btrfs_err(info,
@@ -1926,15 +1959,15 @@ static int read_one_block_group(struct btrfs_fs_info *info,
* are empty, and we can just add all the space in and be done with it.
* This saves us _a_lot_ of time, particularly in the full case.
*/
- if (key->offset == cache->used) {
+ if (cache->length == cache->used) {
cache->last_byte_to_unpin = (u64)-1;
cache->cached = BTRFS_CACHE_FINISHED;
btrfs_free_excluded_extents(cache);
} else if (cache->used == 0) {
cache->last_byte_to_unpin = (u64)-1;
cache->cached = BTRFS_CACHE_FINISHED;
- add_new_free_space(cache, key->objectid,
- key->objectid + key->offset);
+ add_new_free_space(cache, cache->start,
+ cache->start + cache->length);
btrfs_free_excluded_extents(cache);
}
@@ -1944,7 +1977,7 @@ static int read_one_block_group(struct btrfs_fs_info *info,
goto error;
}
trace_btrfs_add_block_group(info, cache, 0);
- btrfs_update_space_info(info, cache->flags, key->offset,
+ btrfs_update_space_info(info, cache->flags, cache->length,
cache->used, cache->bytes_super, &space_info);
cache->space_info = space_info;
@@ -1983,7 +2016,6 @@ int btrfs_read_block_groups(struct btrfs_fs_info *info)
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
- path->reada = READA_FORWARD;
cache_gen = btrfs_super_cache_generation(info->super_copy);
if (btrfs_test_opt(info, SPACE_CACHE) &&
@@ -2038,13 +2070,32 @@ error:
return ret;
}
+static int insert_block_group_item(struct btrfs_trans_handle *trans,
+ struct btrfs_block_group *block_group)
+{
+ struct btrfs_fs_info *fs_info = trans->fs_info;
+ struct btrfs_block_group_item bgi;
+ struct btrfs_root *root;
+ struct btrfs_key key;
+
+ spin_lock(&block_group->lock);
+ btrfs_set_stack_block_group_used(&bgi, block_group->used);
+ btrfs_set_stack_block_group_chunk_objectid(&bgi,
+ BTRFS_FIRST_CHUNK_TREE_OBJECTID);
+ btrfs_set_stack_block_group_flags(&bgi, block_group->flags);
+ key.objectid = block_group->start;
+ key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
+ key.offset = block_group->length;
+ spin_unlock(&block_group->lock);
+
+ root = fs_info->extent_root;
+ return btrfs_insert_item(trans, root, &key, &bgi, sizeof(bgi));
+}
+
void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group *block_group;
- struct btrfs_root *extent_root = fs_info->extent_root;
- struct btrfs_block_group_item item;
- struct btrfs_key key;
int ret = 0;
if (!trans->can_flush_pending_bgs)
@@ -2057,21 +2108,11 @@ void btrfs_create_pending_block_groups(struct btrfs_trans_handle *trans)
if (ret)
goto next;
- spin_lock(&block_group->lock);
- btrfs_set_stack_block_group_used(&item, block_group->used);
- btrfs_set_stack_block_group_chunk_objectid(&item,
- BTRFS_FIRST_CHUNK_TREE_OBJECTID);
- btrfs_set_stack_block_group_flags(&item, block_group->flags);
- key.objectid = block_group->start;
- key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
- key.offset = block_group->length;
- spin_unlock(&block_group->lock);
-
- ret = btrfs_insert_item(trans, extent_root, &key, &item,
- sizeof(item));
+ ret = insert_block_group_item(trans, block_group);
if (ret)
btrfs_abort_transaction(trans, ret);
- ret = btrfs_finish_chunk_alloc(trans, key.objectid, key.offset);
+ ret = btrfs_finish_chunk_alloc(trans, block_group->start,
+ block_group->length);
if (ret)
btrfs_abort_transaction(trans, ret);
add_block_group_free_space(trans, block_group);
@@ -2092,10 +2133,11 @@ int btrfs_make_block_group(struct btrfs_trans_handle *trans, u64 bytes_used,
btrfs_set_log_full_commit(trans);
- cache = btrfs_create_block_group_cache(fs_info, chunk_offset, size);
+ cache = btrfs_create_block_group_cache(fs_info, chunk_offset);
if (!cache)
return -ENOMEM;
+ cache->length = size;
cache->used = bytes_used;
cache->flags = type;
cache->last_byte_to_unpin = (u64)-1;
@@ -2306,13 +2348,13 @@ void btrfs_dec_block_group_ro(struct btrfs_block_group *cache)
spin_unlock(&sinfo->lock);
}
-static int write_one_cache_group(struct btrfs_trans_handle *trans,
- struct btrfs_path *path,
- struct btrfs_block_group *cache)
+static int update_block_group_item(struct btrfs_trans_handle *trans,
+ struct btrfs_path *path,
+ struct btrfs_block_group *cache)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
int ret;
- struct btrfs_root *extent_root = fs_info->extent_root;
+ struct btrfs_root *root = fs_info->extent_root;
unsigned long bi;
struct extent_buffer *leaf;
struct btrfs_block_group_item bgi;
@@ -2322,7 +2364,7 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
key.offset = cache->length;
- ret = btrfs_search_slot(trans, extent_root, &key, path, 0, 1);
+ ret = btrfs_search_slot(trans, root, &key, path, 0, 1);
if (ret) {
if (ret > 0)
ret = -ENOENT;
@@ -2634,7 +2676,7 @@ again:
}
}
if (!ret) {
- ret = write_one_cache_group(trans, path, cache);
+ ret = update_block_group_item(trans, path, cache);
/*
* Our block group might still be attached to the list
* of new block groups in the transaction handle of some
@@ -2783,7 +2825,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
}
}
if (!ret) {
- ret = write_one_cache_group(trans, path, cache);
+ ret = update_block_group_item(trans, path, cache);
/*
* One of the free space endio workers might have
* created a new block group while updating a free space
@@ -2800,7 +2842,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
if (ret == -ENOENT) {
wait_event(cur_trans->writer_wait,
atomic_read(&cur_trans->num_writers) == 1);
- ret = write_one_cache_group(trans, path, cache);
+ ret = update_block_group_item(trans, path, cache);
}
if (ret)
btrfs_abort_transaction(trans, ret);
@@ -3376,3 +3418,44 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
}
return 0;
}
+
+void btrfs_freeze_block_group(struct btrfs_block_group *cache)
+{
+ atomic_inc(&cache->frozen);
+}
+
+void btrfs_unfreeze_block_group(struct btrfs_block_group *block_group)
+{
+ struct btrfs_fs_info *fs_info = block_group->fs_info;
+ struct extent_map_tree *em_tree;
+ struct extent_map *em;
+ bool cleanup;
+
+ spin_lock(&block_group->lock);
+ cleanup = (atomic_dec_and_test(&block_group->frozen) &&
+ block_group->removed);
+ spin_unlock(&block_group->lock);
+
+ if (cleanup) {
+ mutex_lock(&fs_info->chunk_mutex);
+ em_tree = &fs_info->mapping_tree;
+ write_lock(&em_tree->lock);
+ em = lookup_extent_mapping(em_tree, block_group->start,
+ 1);
+ BUG_ON(!em); /* logic error, can't happen */
+ remove_extent_mapping(em_tree, em);
+ write_unlock(&em_tree->lock);
+ mutex_unlock(&fs_info->chunk_mutex);
+
+ /* once for us and once for the tree */
+ free_extent_map(em);
+ free_extent_map(em);
+
+ /*
+ * We may have left one free space entry and other possible
+ * tasks trimming this block group have left 1 entry each one.
+ * Free them if any.
+ */
+ __btrfs_remove_free_space_cache(block_group->free_space_ctl);
+ }
+}
diff --git a/fs/btrfs/block-group.h b/fs/btrfs/block-group.h
index 107bb557ca8d..b6ee70a039c7 100644
--- a/fs/btrfs/block-group.h
+++ b/fs/btrfs/block-group.h
@@ -129,8 +129,17 @@ struct btrfs_block_group {
/* For read-only block groups */
struct list_head ro_list;
+ /*
+ * When non-zero it means the block group's logical address and its
+ * device extents can not be reused for future block group allocations
+ * until the counter goes down to 0. This is to prevent them from being
+ * reused while some task is still using the block group after it was
+ * deleted - we want to make sure they can only be reused for new block
+ * groups after that task is done with the deleted block group.
+ */
+ atomic_t frozen;
+
/* For discard operations */
- atomic_t trimming;
struct list_head discard_list;
int discard_index;
u64 discard_eligible_time;
@@ -283,6 +292,9 @@ static inline int btrfs_block_group_done(struct btrfs_block_group *cache)
cache->cached == BTRFS_CACHE_ERROR;
}
+void btrfs_freeze_block_group(struct btrfs_block_group *cache);
+void btrfs_unfreeze_block_group(struct btrfs_block_group *cache);
+
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start,
u64 physical, u64 **logical, int *naddrs, int *stripe_len);
diff --git a/fs/btrfs/block-rsv.c b/fs/btrfs/block-rsv.c
index 27efec8f7c5b..7e1549a84fcc 100644
--- a/fs/btrfs/block-rsv.c
+++ b/fs/btrfs/block-rsv.c
@@ -5,6 +5,7 @@
#include "block-rsv.h"
#include "space-info.h"
#include "transaction.h"
+#include "block-group.h"
/*
* HOW DO BLOCK RESERVES WORK
@@ -405,6 +406,8 @@ void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)
else
block_rsv->full = 0;
+ if (block_rsv->size >= sinfo->total_bytes)
+ sinfo->force_alloc = CHUNK_ALLOC_FORCE;
spin_unlock(&block_rsv->lock);
spin_unlock(&sinfo->lock);
}
@@ -455,7 +458,7 @@ static struct btrfs_block_rsv *get_block_rsv(
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_block_rsv *block_rsv = NULL;
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
+ if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state) ||
(root == fs_info->csum_root && trans->adding_csums) ||
(root == fs_info->uuid_root))
block_rsv = trans->block_rsv;
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 27a1fefce508..aeff56a0e105 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -7,6 +7,7 @@
#define BTRFS_INODE_H
#include <linux/hash.h>
+#include <linux/refcount.h>
#include "extent_map.h"
#include "extent_io.h"
#include "ordered-data.h"
@@ -27,7 +28,6 @@ enum {
BTRFS_INODE_NEEDS_FULL_SYNC,
BTRFS_INODE_COPY_EVERYTHING,
BTRFS_INODE_IN_DELALLOC_LIST,
- BTRFS_INODE_READDIO_NEED_LOCK,
BTRFS_INODE_HAS_PROPS,
BTRFS_INODE_SNAPSHOT_FLUSH,
};
@@ -293,53 +293,25 @@ static inline int btrfs_inode_in_log(struct btrfs_inode *inode, u64 generation)
return ret;
}
-#define BTRFS_DIO_ORIG_BIO_SUBMITTED 0x1
-
struct btrfs_dio_private {
struct inode *inode;
- unsigned long flags;
u64 logical_offset;
u64 disk_bytenr;
u64 bytes;
- void *private;
-
- /* number of bios pending for this dio */
- atomic_t pending_bios;
- /* IO errors */
- int errors;
-
- /* orig_bio is our btrfs_io_bio */
- struct bio *orig_bio;
+ /*
+ * References to this structure. There is one reference per in-flight
+ * bio plus one while we're still setting up.
+ */
+ refcount_t refs;
/* dio_bio came from fs/direct-io.c */
struct bio *dio_bio;
- /*
- * The original bio may be split to several sub-bios, this is
- * done during endio of sub-bios
- */
- blk_status_t (*subio_endio)(struct inode *, struct btrfs_io_bio *,
- blk_status_t);
+ /* Array of checksums */
+ u8 csums[];
};
-/*
- * Disable DIO read nolock optimization, so new dio readers will be forced
- * to grab i_mutex. It is used to avoid the endless truncate due to
- * nonlocked dio read.
- */
-static inline void btrfs_inode_block_unlocked_dio(struct btrfs_inode *inode)
-{
- set_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags);
- smp_mb();
-}
-
-static inline void btrfs_inode_resume_unlocked_dio(struct btrfs_inode *inode)
-{
- smp_mb__before_atomic();
- clear_bit(BTRFS_INODE_READDIO_NEED_LOCK, &inode->runtime_flags);
-}
-
/* Array of bytes with variable length, hexadecimal format 0x1234 */
#define CSUM_FMT "0x%*phN"
#define CSUM_FMT_VALUE(size, bytes) size, bytes
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 9ab610cc9114..c6e648603f85 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -194,11 +194,9 @@ static int check_compressed_csum(struct btrfs_inode *inode,
for (i = 0; i < cb->nr_pages; i++) {
page = cb->compressed_pages[i];
- crypto_shash_init(shash);
kaddr = kmap_atomic(page);
- crypto_shash_update(shash, kaddr, PAGE_SIZE);
+ crypto_shash_digest(shash, kaddr, PAGE_SIZE, csum);
kunmap_atomic(kaddr);
- crypto_shash_final(shash, (u8 *)&csum);
if (memcmp(&csum, cb_sum, csum_size)) {
btrfs_print_data_csum_error(inode, disk_start,
@@ -1142,6 +1140,22 @@ static void put_workspace(int type, struct list_head *ws)
}
/*
+ * Adjust @level according to the limits of the compression algorithm or
+ * fallback to default
+ */
+static unsigned int btrfs_compress_set_level(int type, unsigned level)
+{
+ const struct btrfs_compress_op *ops = btrfs_compress_op[type];
+
+ if (level == 0)
+ level = ops->default_level;
+ else
+ level = min(level, ops->max_level);
+
+ return level;
+}
+
+/*
* Given an address space and start and length, compress the bytes into @pages
* that are allocated on demand.
*
@@ -1748,19 +1762,3 @@ unsigned int btrfs_compress_str2level(unsigned int type, const char *str)
return level;
}
-
-/*
- * Adjust @level according to the limits of the compression algorithm or
- * fallback to default
- */
-unsigned int btrfs_compress_set_level(int type, unsigned level)
-{
- const struct btrfs_compress_op *ops = btrfs_compress_op[type];
-
- if (level == 0)
- level = ops->default_level;
- else
- level = min(level, ops->max_level);
-
- return level;
-}
diff --git a/fs/btrfs/compression.h b/fs/btrfs/compression.h
index d253f7aa8ed5..284a3ad31350 100644
--- a/fs/btrfs/compression.h
+++ b/fs/btrfs/compression.h
@@ -140,8 +140,6 @@ extern const struct btrfs_compress_op btrfs_zstd_compress;
const char* btrfs_compress_type2str(enum btrfs_compression_type type);
bool btrfs_compress_is_valid_type(const char *str, size_t len);
-unsigned int btrfs_compress_set_level(int type, unsigned level);
-
int btrfs_compress_heuristic(struct inode *inode, u64 start, u64 end);
#endif
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index bfedbbe2311f..3a7648bff42c 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -144,9 +144,10 @@ struct extent_buffer *btrfs_root_node(struct btrfs_root *root)
return eb;
}
-/* cowonly root (everything not a reference counted cow subvolume), just get
- * put onto a simple dirty list. transaction.c walks this to make sure they
- * get properly updated on disk.
+/*
+ * Cowonly root (not-shareable trees, everything not subvolume or reloc roots),
+ * just get put onto a simple dirty list. Transaction walks this list to make
+ * sure they get properly updated on disk.
*/
static void add_root_to_dirty_list(struct btrfs_root *root)
{
@@ -185,9 +186,9 @@ int btrfs_copy_root(struct btrfs_trans_handle *trans,
int level;
struct btrfs_disk_key disk_key;
- WARN_ON(test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ WARN_ON(test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
trans->transid != fs_info->running_transaction->transid);
- WARN_ON(test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ WARN_ON(test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
trans->transid != root->last_trans);
level = btrfs_header_level(buf);
@@ -826,12 +827,11 @@ int btrfs_block_can_be_shared(struct btrfs_root *root,
struct extent_buffer *buf)
{
/*
- * Tree blocks not in reference counted trees and tree roots
- * are never shared. If a block was allocated after the last
- * snapshot and the block was not allocated by tree relocation,
- * we know the block is not shared.
+ * Tree blocks not in shareable trees and tree roots are never shared.
+ * If a block was allocated after the last snapshot and the block was
+ * not allocated by tree relocation, we know the block is not shared.
*/
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
buf != root->node && buf != root->commit_root &&
(btrfs_header_generation(buf) <=
btrfs_root_last_snapshot(&root->root_item) ||
@@ -1024,9 +1024,9 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
btrfs_assert_tree_locked(buf);
- WARN_ON(test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ WARN_ON(test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
trans->transid != fs_info->running_transaction->transid);
- WARN_ON(test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ WARN_ON(test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
trans->transid != root->last_trans);
level = btrfs_header_level(buf);
@@ -1065,7 +1065,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans,
return ret;
}
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state)) {
+ if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state)) {
ret = btrfs_reloc_cow_block(trans, root, buf, cow);
if (ret) {
btrfs_abort_transaction(trans, ret);
@@ -1668,15 +1668,8 @@ static noinline int generic_bin_search(struct extent_buffer *eb,
{
int low = 0;
int high = max;
- int mid;
int ret;
- struct btrfs_disk_key *tmp = NULL;
- struct btrfs_disk_key unaligned;
- unsigned long offset;
- char *kaddr = NULL;
- unsigned long map_start = 0;
- unsigned long map_len = 0;
- int err;
+ const int key_size = sizeof(struct btrfs_disk_key);
if (low > high) {
btrfs_err(eb->fs_info,
@@ -1687,32 +1680,26 @@ static noinline int generic_bin_search(struct extent_buffer *eb,
}
while (low < high) {
+ unsigned long oip;
+ unsigned long offset;
+ struct btrfs_disk_key *tmp;
+ struct btrfs_disk_key unaligned;
+ int mid;
+
mid = (low + high) / 2;
offset = p + mid * item_size;
+ oip = offset_in_page(offset);
- if (!kaddr || offset < map_start ||
- (offset + sizeof(struct btrfs_disk_key)) >
- map_start + map_len) {
-
- err = map_private_extent_buffer(eb, offset,
- sizeof(struct btrfs_disk_key),
- &kaddr, &map_start, &map_len);
-
- if (!err) {
- tmp = (struct btrfs_disk_key *)(kaddr + offset -
- map_start);
- } else if (err == 1) {
- read_extent_buffer(eb, &unaligned,
- offset, sizeof(unaligned));
- tmp = &unaligned;
- } else {
- return err;
- }
+ if (oip + key_size <= PAGE_SIZE) {
+ const unsigned long idx = offset >> PAGE_SHIFT;
+ char *kaddr = page_address(eb->pages[idx]);
+ tmp = (struct btrfs_disk_key *)(kaddr + oip);
} else {
- tmp = (struct btrfs_disk_key *)(kaddr + offset -
- map_start);
+ read_extent_buffer(eb, &unaligned, offset, key_size);
+ tmp = &unaligned;
}
+
ret = comp_keys(tmp, key);
if (ret < 0)
@@ -1733,9 +1720,9 @@ static noinline int generic_bin_search(struct extent_buffer *eb,
* leaves vs nodes
*/
int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key,
- int level, int *slot)
+ int *slot)
{
- if (level == 0)
+ if (btrfs_header_level(eb) == 0)
return generic_bin_search(eb,
offsetof(struct btrfs_leaf, items),
sizeof(struct btrfs_item),
@@ -2348,16 +2335,15 @@ read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
struct btrfs_fs_info *fs_info = root->fs_info;
u64 blocknr;
u64 gen;
- struct extent_buffer *b = *eb_ret;
struct extent_buffer *tmp;
struct btrfs_key first_key;
int ret;
int parent_level;
- blocknr = btrfs_node_blockptr(b, slot);
- gen = btrfs_node_ptr_generation(b, slot);
- parent_level = btrfs_header_level(b);
- btrfs_node_key_to_cpu(b, &first_key, slot);
+ blocknr = btrfs_node_blockptr(*eb_ret, slot);
+ gen = btrfs_node_ptr_generation(*eb_ret, slot);
+ parent_level = btrfs_header_level(*eb_ret);
+ btrfs_node_key_to_cpu(*eb_ret, &first_key, slot);
tmp = find_extent_buffer(fs_info, blocknr);
if (tmp) {
@@ -2501,19 +2487,6 @@ done:
return ret;
}
-static int key_search(struct extent_buffer *b, const struct btrfs_key *key,
- int level, int *prev_cmp, int *slot)
-{
- if (*prev_cmp != 0) {
- *prev_cmp = btrfs_bin_search(b, key, level, slot);
- return *prev_cmp;
- }
-
- *slot = 0;
-
- return 0;
-}
-
int btrfs_find_item(struct btrfs_root *fs_root, struct btrfs_path *path,
u64 iobjectid, u64 ioff, u8 key_type,
struct btrfs_key *found_key)
@@ -2783,9 +2756,23 @@ cow_done:
}
}
- ret = key_search(b, key, level, &prev_cmp, &slot);
- if (ret < 0)
- goto done;
+ /*
+ * If btrfs_bin_search returns an exact match (prev_cmp == 0)
+ * we can safely assume the target key will always be in slot 0
+ * on lower levels due to the invariants BTRFS' btree provides,
+ * namely that a btrfs_key_ptr entry always points to the
+ * lowest key in the child node, thus we can skip searching
+ * lower levels
+ */
+ if (prev_cmp == 0) {
+ slot = 0;
+ ret = 0;
+ } else {
+ ret = btrfs_bin_search(b, key, &slot);
+ prev_cmp = ret;
+ if (ret < 0)
+ goto done;
+ }
if (level == 0) {
p->slots[level] = slot;
@@ -2909,7 +2896,6 @@ int btrfs_search_old_slot(struct btrfs_root *root, const struct btrfs_key *key,
int level;
int lowest_unlock = 1;
u8 lowest_level = 0;
- int prev_cmp = -1;
lowest_level = p->lowest_level;
WARN_ON(p->nodes[0] != NULL);
@@ -2942,12 +2928,7 @@ again:
*/
btrfs_unlock_up_safe(p, level + 1);
- /*
- * Since we can unwind ebs we want to do a real search every
- * time.
- */
- prev_cmp = -1;
- ret = key_search(b, key, level, &prev_cmp, &slot);
+ ret = btrfs_bin_search(b, key, &slot);
if (ret < 0)
goto done;
@@ -3507,19 +3488,17 @@ static int leaf_space_used(struct extent_buffer *l, int start, int nr)
{
struct btrfs_item *start_item;
struct btrfs_item *end_item;
- struct btrfs_map_token token;
int data_len;
int nritems = btrfs_header_nritems(l);
int end = min(nritems, start + nr) - 1;
if (!nr)
return 0;
- btrfs_init_map_token(&token, l);
start_item = btrfs_item_nr(start);
end_item = btrfs_item_nr(end);
- data_len = btrfs_token_item_offset(l, start_item, &token) +
- btrfs_token_item_size(l, start_item, &token);
- data_len = data_len - btrfs_token_item_offset(l, end_item, &token);
+ data_len = btrfs_item_offset(l, start_item) +
+ btrfs_item_size(l, start_item);
+ data_len = data_len - btrfs_item_offset(l, end_item);
data_len += sizeof(struct btrfs_item) * nr;
WARN_ON(data_len < 0);
return data_len;
@@ -3650,8 +3629,8 @@ static noinline int __push_leaf_right(struct btrfs_path *path,
push_space = BTRFS_LEAF_DATA_SIZE(fs_info);
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
- push_space -= btrfs_token_item_size(right, item, &token);
- btrfs_set_token_item_offset(right, item, push_space, &token);
+ push_space -= btrfs_token_item_size(&token, item);
+ btrfs_set_token_item_offset(&token, item, push_space);
}
left_nritems -= push_items;
@@ -3859,10 +3838,9 @@ static noinline int __push_leaf_left(struct btrfs_path *path, int data_size,
item = btrfs_item_nr(i);
- ioff = btrfs_token_item_offset(left, item, &token);
- btrfs_set_token_item_offset(left, item,
- ioff - (BTRFS_LEAF_DATA_SIZE(fs_info) - old_left_item_size),
- &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item,
+ ioff - (BTRFS_LEAF_DATA_SIZE(fs_info) - old_left_item_size));
}
btrfs_set_header_nritems(left, old_left_nritems + push_items);
@@ -3892,9 +3870,8 @@ static noinline int __push_leaf_left(struct btrfs_path *path, int data_size,
for (i = 0; i < right_nritems; i++) {
item = btrfs_item_nr(i);
- push_space = push_space - btrfs_token_item_size(right,
- item, &token);
- btrfs_set_token_item_offset(right, item, push_space, &token);
+ push_space = push_space - btrfs_token_item_size(&token, item);
+ btrfs_set_token_item_offset(&token, item, push_space);
}
btrfs_mark_buffer_dirty(left);
@@ -4036,9 +4013,8 @@ static noinline void copy_for_split(struct btrfs_trans_handle *trans,
struct btrfs_item *item = btrfs_item_nr(i);
u32 ioff;
- ioff = btrfs_token_item_offset(right, item, &token);
- btrfs_set_token_item_offset(right, item,
- ioff + rt_data_off, &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item, ioff + rt_data_off);
}
btrfs_set_header_nritems(l, mid);
@@ -4541,9 +4517,8 @@ void btrfs_truncate_item(struct btrfs_path *path, u32 new_size, int from_end)
u32 ioff;
item = btrfs_item_nr(i);
- ioff = btrfs_token_item_offset(leaf, item, &token);
- btrfs_set_token_item_offset(leaf, item,
- ioff + size_diff, &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item, ioff + size_diff);
}
/* shift the data */
@@ -4640,9 +4615,8 @@ void btrfs_extend_item(struct btrfs_path *path, u32 data_size)
u32 ioff;
item = btrfs_item_nr(i);
- ioff = btrfs_token_item_offset(leaf, item, &token);
- btrfs_set_token_item_offset(leaf, item,
- ioff - data_size, &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item, ioff - data_size);
}
/* shift the data */
@@ -4718,9 +4692,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
u32 ioff;
item = btrfs_item_nr(i);
- ioff = btrfs_token_item_offset(leaf, item, &token);
- btrfs_set_token_item_offset(leaf, item,
- ioff - total_data, &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item,
+ ioff - total_data);
}
/* shift the items */
memmove_extent_buffer(leaf, btrfs_item_nr_offset(slot + nr),
@@ -4739,10 +4713,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path,
btrfs_cpu_key_to_disk(&disk_key, cpu_key + i);
btrfs_set_item_key(leaf, &disk_key, slot + i);
item = btrfs_item_nr(slot + i);
- btrfs_set_token_item_offset(leaf, item,
- data_end - data_size[i], &token);
+ btrfs_set_token_item_offset(&token, item, data_end - data_size[i]);
data_end -= data_size[i];
- btrfs_set_token_item_size(leaf, item, data_size[i], &token);
+ btrfs_set_token_item_size(&token, item, data_size[i]);
}
btrfs_set_header_nritems(leaf, nritems + nr);
@@ -4930,9 +4903,8 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root,
u32 ioff;
item = btrfs_item_nr(i);
- ioff = btrfs_token_item_offset(leaf, item, &token);
- btrfs_set_token_item_offset(leaf, item,
- ioff + dsize, &token);
+ ioff = btrfs_token_item_offset(&token, item);
+ btrfs_set_token_item_offset(&token, item, ioff + dsize);
}
memmove_extent_buffer(leaf, btrfs_item_nr_offset(slot),
@@ -5103,7 +5075,7 @@ again:
while (1) {
nritems = btrfs_header_nritems(cur);
level = btrfs_header_level(cur);
- sret = btrfs_bin_search(cur, min_key, level, &slot);
+ sret = btrfs_bin_search(cur, min_key, &slot);
if (sret < 0) {
ret = sret;
goto out;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 8aa7b9dac405..161533040978 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -28,6 +28,7 @@
#include <linux/dynamic_debug.h>
#include <linux/refcount.h>
#include <linux/crc32c.h>
+#include <linux/iomap.h>
#include "extent-io-tree.h"
#include "extent_io.h"
#include "extent_map.h"
@@ -582,6 +583,7 @@ struct btrfs_fs_info {
struct btrfs_root *quota_root;
struct btrfs_root *uuid_root;
struct btrfs_root *free_space_root;
+ struct btrfs_root *data_reloc_root;
/* the log root tree is a directory of all the other log roots */
struct btrfs_root *log_root_tree;
@@ -758,7 +760,6 @@ struct btrfs_fs_info {
struct btrfs_workqueue *endio_workers;
struct btrfs_workqueue *endio_meta_workers;
struct btrfs_workqueue *endio_raid56_workers;
- struct btrfs_workqueue *endio_repair_workers;
struct btrfs_workqueue *rmw_workers;
struct btrfs_workqueue *endio_meta_write_workers;
struct btrfs_workqueue *endio_write_workers;
@@ -970,7 +971,28 @@ enum {
* is used to tell us when more checks are required
*/
BTRFS_ROOT_IN_TRANS_SETUP,
- BTRFS_ROOT_REF_COWS,
+
+ /*
+ * Set if tree blocks of this root can be shared by other roots.
+ * Only subvolume trees and their reloc trees have this bit set.
+ * Conflicts with TRACK_DIRTY bit.
+ *
+ * This affects two things:
+ *
+ * - How balance works
+ * For shareable roots, we need to use reloc tree and do path
+ * replacement for balance, and need various pre/post hooks for
+ * snapshot creation to handle them.
+ *
+ * While for non-shareable trees, we just simply do a tree search
+ * with COW.
+ *
+ * - How dirty roots are tracked
+ * For shareable roots, btrfs_record_root_in_trans() is needed to
+ * track them, while non-subvolume roots have TRACK_DIRTY bit, they
+ * don't need to set this manually.
+ */
+ BTRFS_ROOT_SHAREABLE,
BTRFS_ROOT_TRACK_DIRTY,
BTRFS_ROOT_IN_RADIX,
BTRFS_ROOT_ORPHAN_ITEM_INSERTED,
@@ -1056,7 +1078,7 @@ struct btrfs_root {
struct btrfs_key defrag_progress;
struct btrfs_key defrag_max;
- /* the dirty list is only used by non-reference counted roots */
+ /* The dirty list is only used by non-shareable roots */
struct list_head dirty_list;
struct list_head root_list;
@@ -1146,6 +1168,9 @@ struct btrfs_root {
/* Record pairs of swapped blocks for qgroup */
struct btrfs_qgroup_swapped_blocks swapped_blocks;
+ /* Used only by log trees, when logging csum items */
+ struct extent_io_tree log_csum_range;
+
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
u64 alloc_bytenr;
#endif
@@ -1341,7 +1366,7 @@ do { \
BTRFS_INODE_ROOT_ITEM_INIT)
struct btrfs_map_token {
- const struct extent_buffer *eb;
+ struct extent_buffer *eb;
char *kaddr;
unsigned long offset;
};
@@ -1353,7 +1378,8 @@ static inline void btrfs_init_map_token(struct btrfs_map_token *token,
struct extent_buffer *eb)
{
token->eb = eb;
- token->kaddr = NULL;
+ token->kaddr = page_address(eb->pages[0]);
+ token->offset = 0;
}
/* some macros to generate set/get functions for the struct fields. This
@@ -1377,15 +1403,14 @@ static inline void btrfs_init_map_token(struct btrfs_map_token *token,
sizeof(((type *)0)->member)))
#define DECLARE_BTRFS_SETGET_BITS(bits) \
-u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
- const void *ptr, unsigned long off, \
- struct btrfs_map_token *token); \
-void btrfs_set_token_##bits(struct extent_buffer *eb, const void *ptr, \
- unsigned long off, u##bits val, \
- struct btrfs_map_token *token); \
+u##bits btrfs_get_token_##bits(struct btrfs_map_token *token, \
+ const void *ptr, unsigned long off); \
+void btrfs_set_token_##bits(struct btrfs_map_token *token, \
+ const void *ptr, unsigned long off, \
+ u##bits val); \
u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
const void *ptr, unsigned long off); \
-void btrfs_set_##bits(struct extent_buffer *eb, void *ptr, \
+void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr, \
unsigned long off, u##bits val);
DECLARE_BTRFS_SETGET_BITS(8)
@@ -1400,25 +1425,23 @@ static inline u##bits btrfs_##name(const struct extent_buffer *eb, \
BUILD_BUG_ON(sizeof(u##bits) != sizeof(((type *)0))->member); \
return btrfs_get_##bits(eb, s, offsetof(type, member)); \
} \
-static inline void btrfs_set_##name(struct extent_buffer *eb, type *s, \
+static inline void btrfs_set_##name(const struct extent_buffer *eb, type *s, \
u##bits val) \
{ \
BUILD_BUG_ON(sizeof(u##bits) != sizeof(((type *)0))->member); \
btrfs_set_##bits(eb, s, offsetof(type, member), val); \
} \
-static inline u##bits btrfs_token_##name(const struct extent_buffer *eb,\
- const type *s, \
- struct btrfs_map_token *token) \
+static inline u##bits btrfs_token_##name(struct btrfs_map_token *token, \
+ const type *s) \
{ \
BUILD_BUG_ON(sizeof(u##bits) != sizeof(((type *)0))->member); \
- return btrfs_get_token_##bits(eb, s, offsetof(type, member), token); \
+ return btrfs_get_token_##bits(token, s, offsetof(type, member));\
} \
-static inline void btrfs_set_token_##name(struct extent_buffer *eb, \
- type *s, u##bits val, \
- struct btrfs_map_token *token) \
+static inline void btrfs_set_token_##name(struct btrfs_map_token *token,\
+ type *s, u##bits val) \
{ \
BUILD_BUG_ON(sizeof(u##bits) != sizeof(((type *)0))->member); \
- btrfs_set_token_##bits(eb, s, offsetof(type, member), val, token); \
+ btrfs_set_token_##bits(token, s, offsetof(type, member), val); \
}
#define BTRFS_SETGET_HEADER_FUNCS(name, type, member, bits) \
@@ -1428,7 +1451,7 @@ static inline u##bits btrfs_##name(const struct extent_buffer *eb) \
u##bits res = le##bits##_to_cpu(p->member); \
return res; \
} \
-static inline void btrfs_set_##name(struct extent_buffer *eb, \
+static inline void btrfs_set_##name(const struct extent_buffer *eb, \
u##bits val) \
{ \
type *p = page_address(eb->pages[0]); \
@@ -1446,7 +1469,7 @@ static inline void btrfs_set_##name(type *s, u##bits val) \
}
-static inline u64 btrfs_device_total_bytes(struct extent_buffer *eb,
+static inline u64 btrfs_device_total_bytes(const struct extent_buffer *eb,
struct btrfs_dev_item *s)
{
BUILD_BUG_ON(sizeof(u64) !=
@@ -1454,7 +1477,7 @@ static inline u64 btrfs_device_total_bytes(struct extent_buffer *eb,
return btrfs_get_64(eb, s, offsetof(struct btrfs_dev_item,
total_bytes));
}
-static inline void btrfs_set_device_total_bytes(struct extent_buffer *eb,
+static inline void btrfs_set_device_total_bytes(const struct extent_buffer *eb,
struct btrfs_dev_item *s,
u64 val)
{
@@ -1558,13 +1581,13 @@ static inline char *btrfs_stripe_dev_uuid_nr(struct btrfs_chunk *c, int nr)
return btrfs_stripe_dev_uuid(btrfs_stripe_nr(c, nr));
}
-static inline u64 btrfs_stripe_offset_nr(struct extent_buffer *eb,
+static inline u64 btrfs_stripe_offset_nr(const struct extent_buffer *eb,
struct btrfs_chunk *c, int nr)
{
return btrfs_stripe_offset(eb, btrfs_stripe_nr(c, nr));
}
-static inline u64 btrfs_stripe_devid_nr(struct extent_buffer *eb,
+static inline u64 btrfs_stripe_devid_nr(const struct extent_buffer *eb,
struct btrfs_chunk *c, int nr)
{
return btrfs_stripe_devid(eb, btrfs_stripe_nr(c, nr));
@@ -1644,31 +1667,21 @@ BTRFS_SETGET_FUNCS(dev_extent_chunk_objectid, struct btrfs_dev_extent,
BTRFS_SETGET_FUNCS(dev_extent_chunk_offset, struct btrfs_dev_extent,
chunk_offset, 64);
BTRFS_SETGET_FUNCS(dev_extent_length, struct btrfs_dev_extent, length, 64);
-
-static inline unsigned long btrfs_dev_extent_chunk_tree_uuid(struct btrfs_dev_extent *dev)
-{
- unsigned long ptr = offsetof(struct btrfs_dev_extent, chunk_tree_uuid);
- return (unsigned long)dev + ptr;
-}
-
BTRFS_SETGET_FUNCS(extent_refs, struct btrfs_extent_item, refs, 64);
BTRFS_SETGET_FUNCS(extent_generation, struct btrfs_extent_item,
generation, 64);
BTRFS_SETGET_FUNCS(extent_flags, struct btrfs_extent_item, flags, 64);
-BTRFS_SETGET_FUNCS(extent_refs_v0, struct btrfs_extent_item_v0, refs, 32);
-
-
BTRFS_SETGET_FUNCS(tree_block_level, struct btrfs_tree_block_info, level, 8);
-static inline void btrfs_tree_block_key(struct extent_buffer *eb,
+static inline void btrfs_tree_block_key(const struct extent_buffer *eb,
struct btrfs_tree_block_info *item,
struct btrfs_disk_key *key)
{
read_eb_member(eb, item, struct btrfs_tree_block_info, key, key);
}
-static inline void btrfs_set_tree_block_key(struct extent_buffer *eb,
+static inline void btrfs_set_tree_block_key(const struct extent_buffer *eb,
struct btrfs_tree_block_info *item,
struct btrfs_disk_key *key)
{
@@ -1706,12 +1719,6 @@ static inline u32 btrfs_extent_inline_ref_size(int type)
return 0;
}
-BTRFS_SETGET_FUNCS(ref_root_v0, struct btrfs_extent_ref_v0, root, 64);
-BTRFS_SETGET_FUNCS(ref_generation_v0, struct btrfs_extent_ref_v0,
- generation, 64);
-BTRFS_SETGET_FUNCS(ref_objectid_v0, struct btrfs_extent_ref_v0, objectid, 64);
-BTRFS_SETGET_FUNCS(ref_count_v0, struct btrfs_extent_ref_v0, count, 32);
-
/* struct btrfs_node */
BTRFS_SETGET_FUNCS(key_blockptr, struct btrfs_key_ptr, blockptr, 64);
BTRFS_SETGET_FUNCS(key_generation, struct btrfs_key_ptr, generation, 64);
@@ -1720,7 +1727,7 @@ BTRFS_SETGET_STACK_FUNCS(stack_key_blockptr, struct btrfs_key_ptr,
BTRFS_SETGET_STACK_FUNCS(stack_key_generation, struct btrfs_key_ptr,
generation, 64);
-static inline u64 btrfs_node_blockptr(struct extent_buffer *eb, int nr)
+static inline u64 btrfs_node_blockptr(const struct extent_buffer *eb, int nr)
{
unsigned long ptr;
ptr = offsetof(struct btrfs_node, ptrs) +
@@ -1728,7 +1735,7 @@ static inline u64 btrfs_node_blockptr(struct extent_buffer *eb, int nr)
return btrfs_key_blockptr(eb, (struct btrfs_key_ptr *)ptr);
}
-static inline void btrfs_set_node_blockptr(struct extent_buffer *eb,
+static inline void btrfs_set_node_blockptr(const struct extent_buffer *eb,
int nr, u64 val)
{
unsigned long ptr;
@@ -1737,7 +1744,7 @@ static inline void btrfs_set_node_blockptr(struct extent_buffer *eb,
btrfs_set_key_blockptr(eb, (struct btrfs_key_ptr *)ptr, val);
}
-static inline u64 btrfs_node_ptr_generation(struct extent_buffer *eb, int nr)
+static inline u64 btrfs_node_ptr_generation(const struct extent_buffer *eb, int nr)
{
unsigned long ptr;
ptr = offsetof(struct btrfs_node, ptrs) +
@@ -1745,7 +1752,7 @@ static inline u64 btrfs_node_ptr_generation(struct extent_buffer *eb, int nr)
return btrfs_key_generation(eb, (struct btrfs_key_ptr *)ptr);
}
-static inline void btrfs_set_node_ptr_generation(struct extent_buffer *eb,
+static inline void btrfs_set_node_ptr_generation(const struct extent_buffer *eb,
int nr, u64 val)
{
unsigned long ptr;
@@ -1763,7 +1770,7 @@ static inline unsigned long btrfs_node_key_ptr_offset(int nr)
void btrfs_node_key(const struct extent_buffer *eb,
struct btrfs_disk_key *disk_key, int nr);
-static inline void btrfs_set_node_key(struct extent_buffer *eb,
+static inline void btrfs_set_node_key(const struct extent_buffer *eb,
struct btrfs_disk_key *disk_key, int nr)
{
unsigned long ptr;
@@ -2498,8 +2505,6 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_ref *generic_ref);
int btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr);
-void btrfs_get_block_group_trimming(struct btrfs_block_group *cache);
-void btrfs_put_block_group_trimming(struct btrfs_block_group *cache);
void btrfs_clear_space_info_full(struct btrfs_fs_info *info);
enum btrfs_reserve_flush_enum {
@@ -2512,6 +2517,7 @@ enum btrfs_reserve_flush_enum {
BTRFS_RESERVE_FLUSH_LIMIT,
BTRFS_RESERVE_FLUSH_EVICT,
BTRFS_RESERVE_FLUSH_ALL,
+ BTRFS_RESERVE_FLUSH_ALL_STEAL,
};
enum btrfs_flush_state {
@@ -2551,7 +2557,7 @@ void btrfs_wait_for_snapshot_creation(struct btrfs_root *root);
/* ctree.c */
int btrfs_bin_search(struct extent_buffer *eb, const struct btrfs_key *key,
- int level, int *slot);
+ int *slot);
int __pure btrfs_comp_cpu_keys(const struct btrfs_key *k1, const struct btrfs_key *k2);
int btrfs_previous_item(struct btrfs_root *root,
struct btrfs_path *path, u64 min_objectid,
@@ -2896,10 +2902,9 @@ void btrfs_free_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
int __init btrfs_init_cachep(void);
void __cold btrfs_destroy_cachep(void);
-struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+struct inode *btrfs_iget_path(struct super_block *s, u64 ino,
struct btrfs_root *root, struct btrfs_path *path);
-struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
- struct btrfs_root *root);
+struct inode *btrfs_iget(struct super_block *s, u64 ino, struct btrfs_root *root);
struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
struct page *page, size_t pg_offset,
u64 start, u64 end);
@@ -2929,6 +2934,9 @@ int btrfs_writepage_cow_fixup(struct page *page, u64 start, u64 end);
void btrfs_writepage_endio_finish_ordered(struct page *page, u64 start,
u64 end, int uptodate);
extern const struct dentry_operations btrfs_dentry_operations;
+ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter);
+extern const struct iomap_ops btrfs_dio_iomap_ops;
+extern const struct iomap_dio_ops btrfs_dops;
/* ioctl.c */
long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
@@ -3381,6 +3389,9 @@ void btrfs_reloc_pre_snapshot(struct btrfs_pending_snapshot *pending,
int btrfs_reloc_post_snapshot(struct btrfs_trans_handle *trans,
struct btrfs_pending_snapshot *pending);
int btrfs_should_cancel_balance(struct btrfs_fs_info *fs_info);
+struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info,
+ u64 bytenr);
+int btrfs_should_ignore_reloc_root(struct btrfs_root *root);
/* scrub.c */
int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
diff --git a/fs/btrfs/discard.h b/fs/btrfs/discard.h
index 21a15776dac4..353228d62f5a 100644
--- a/fs/btrfs/discard.h
+++ b/fs/btrfs/discard.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BTRFS_DISCARD_H
#define BTRFS_DISCARD_H
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index a6cb5cbbdb9f..7c6f0bbb54a5 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -358,16 +358,14 @@ static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info,
SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
shash->tfm = fs_info->csum_shash;
- crypto_shash_init(shash);
/*
* The super_block structure does not span the whole
* BTRFS_SUPER_INFO_SIZE range, we expect that the unused space is
* filled with zeros and is included in the checksum.
*/
- crypto_shash_update(shash, raw_disk_sb + BTRFS_CSUM_SIZE,
- BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE);
- crypto_shash_final(shash, result);
+ crypto_shash_digest(shash, raw_disk_sb + BTRFS_CSUM_SIZE,
+ BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE, result);
if (memcmp(disk_sb->csum, result, btrfs_super_csum_size(disk_sb)))
return 1;
@@ -709,9 +707,7 @@ static void end_workqueue_bio(struct bio *bio)
else
wq = fs_info->endio_write_workers;
} else {
- if (unlikely(end_io_wq->metadata == BTRFS_WQ_ENDIO_DIO_REPAIR))
- wq = fs_info->endio_repair_workers;
- else if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56)
+ if (end_io_wq->metadata == BTRFS_WQ_ENDIO_RAID56)
wq = fs_info->endio_raid56_workers;
else if (end_io_wq->metadata)
wq = fs_info->endio_meta_workers;
@@ -980,9 +976,7 @@ static void btree_invalidatepage(struct page *page, unsigned int offset,
btrfs_warn(BTRFS_I(page->mapping->host)->root->fs_info,
"page private not zero on page %llu",
(unsigned long long)page_offset(page));
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
+ detach_page_private(page);
}
}
@@ -1137,9 +1131,12 @@ static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info,
root->log_transid = 0;
root->log_transid_committed = -1;
root->last_log_commit = 0;
- if (!dummy)
+ if (!dummy) {
extent_io_tree_init(fs_info, &root->dirty_log_pages,
IO_TREE_ROOT_DIRTY_LOG_PAGES, NULL);
+ extent_io_tree_init(fs_info, &root->log_csum_range,
+ IO_TREE_LOG_CSUM_RANGE, NULL);
+ }
memset(&root->root_key, 0, sizeof(root->root_key));
memset(&root->root_item, 0, sizeof(root->root_item));
@@ -1277,12 +1274,13 @@ static struct btrfs_root *alloc_log_tree(struct btrfs_trans_handle *trans,
root->root_key.offset = BTRFS_TREE_LOG_OBJECTID;
/*
- * DON'T set REF_COWS for log trees
+ * DON'T set SHAREABLE bit for log trees.
*
- * log trees do not get reference counted because they go away
- * before a real commit is actually done. They do store pointers
- * to file data extents, and those reference counts still get
- * updated (along with back refs to the log tree).
+ * Log trees are not exposed to user space thus can't be snapshotted,
+ * and they go away before a real commit is actually done.
+ *
+ * They do store pointers to file data extents, and those reference
+ * counts still get updated (along with back refs to the log tree).
*/
leaf = btrfs_alloc_tree_block(trans, root, 0, BTRFS_TREE_LOG_OBJECTID,
@@ -1420,8 +1418,9 @@ static int btrfs_init_fs_root(struct btrfs_root *root)
if (ret)
goto fail;
- if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
- set_bit(BTRFS_ROOT_REF_COWS, &root->state);
+ if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID &&
+ root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID) {
+ set_bit(BTRFS_ROOT_SHAREABLE, &root->state);
btrfs_check_and_init_root_item(&root->root_item);
}
@@ -1526,6 +1525,7 @@ void btrfs_free_fs_info(struct btrfs_fs_info *fs_info)
btrfs_put_root(fs_info->uuid_root);
btrfs_put_root(fs_info->free_space_root);
btrfs_put_root(fs_info->fs_root);
+ btrfs_put_root(fs_info->data_reloc_root);
btrfs_check_leaked_roots(fs_info);
btrfs_extent_buffer_leak_debug_check(fs_info);
kfree(fs_info->super_copy);
@@ -1535,35 +1535,34 @@ void btrfs_free_fs_info(struct btrfs_fs_info *fs_info)
struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
- struct btrfs_key *location,
- bool check_ref)
+ u64 objectid, bool check_ref)
{
struct btrfs_root *root;
struct btrfs_path *path;
struct btrfs_key key;
int ret;
- if (location->objectid == BTRFS_ROOT_TREE_OBJECTID)
+ if (objectid == BTRFS_ROOT_TREE_OBJECTID)
return btrfs_grab_root(fs_info->tree_root);
- if (location->objectid == BTRFS_EXTENT_TREE_OBJECTID)
+ if (objectid == BTRFS_EXTENT_TREE_OBJECTID)
return btrfs_grab_root(fs_info->extent_root);
- if (location->objectid == BTRFS_CHUNK_TREE_OBJECTID)
+ if (objectid == BTRFS_CHUNK_TREE_OBJECTID)
return btrfs_grab_root(fs_info->chunk_root);
- if (location->objectid == BTRFS_DEV_TREE_OBJECTID)
+ if (objectid == BTRFS_DEV_TREE_OBJECTID)
return btrfs_grab_root(fs_info->dev_root);
- if (location->objectid == BTRFS_CSUM_TREE_OBJECTID)
+ if (objectid == BTRFS_CSUM_TREE_OBJECTID)
return btrfs_grab_root(fs_info->csum_root);
- if (location->objectid == BTRFS_QUOTA_TREE_OBJECTID)
+ if (objectid == BTRFS_QUOTA_TREE_OBJECTID)
return btrfs_grab_root(fs_info->quota_root) ?
fs_info->quota_root : ERR_PTR(-ENOENT);
- if (location->objectid == BTRFS_UUID_TREE_OBJECTID)
+ if (objectid == BTRFS_UUID_TREE_OBJECTID)
return btrfs_grab_root(fs_info->uuid_root) ?
fs_info->uuid_root : ERR_PTR(-ENOENT);
- if (location->objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
+ if (objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
return btrfs_grab_root(fs_info->free_space_root) ?
fs_info->free_space_root : ERR_PTR(-ENOENT);
again:
- root = btrfs_lookup_fs_root(fs_info, location->objectid);
+ root = btrfs_lookup_fs_root(fs_info, objectid);
if (root) {
if (check_ref && btrfs_root_refs(&root->root_item) == 0) {
btrfs_put_root(root);
@@ -1572,7 +1571,10 @@ again:
return root;
}
- root = btrfs_read_tree_root(fs_info->tree_root, location);
+ key.objectid = objectid;
+ key.type = BTRFS_ROOT_ITEM_KEY;
+ key.offset = (u64)-1;
+ root = btrfs_read_tree_root(fs_info->tree_root, &key);
if (IS_ERR(root))
return root;
@@ -1592,7 +1594,7 @@ again:
}
key.objectid = BTRFS_ORPHAN_OBJECTID;
key.type = BTRFS_ORPHAN_ITEM_KEY;
- key.offset = location->objectid;
+ key.offset = objectid;
ret = btrfs_search_slot(NULL, fs_info->tree_root, &key, path, 0, 0);
btrfs_free_path(path);
@@ -1942,7 +1944,6 @@ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info)
btrfs_destroy_workqueue(fs_info->workers);
btrfs_destroy_workqueue(fs_info->endio_workers);
btrfs_destroy_workqueue(fs_info->endio_raid56_workers);
- btrfs_destroy_workqueue(fs_info->endio_repair_workers);
btrfs_destroy_workqueue(fs_info->rmw_workers);
btrfs_destroy_workqueue(fs_info->endio_write_workers);
btrfs_destroy_workqueue(fs_info->endio_freespace_worker);
@@ -1983,6 +1984,7 @@ static void free_root_pointers(struct btrfs_fs_info *info, bool free_chunk_root)
free_root_extent_buffers(info->quota_root);
free_root_extent_buffers(info->uuid_root);
free_root_extent_buffers(info->fs_root);
+ free_root_extent_buffers(info->data_reloc_root);
if (free_chunk_root)
free_root_extent_buffers(info->chunk_root);
free_root_extent_buffers(info->free_space_root);
@@ -1995,6 +1997,7 @@ void btrfs_put_root(struct btrfs_root *root)
if (refcount_dec_and_test(&root->refs)) {
WARN_ON(!RB_EMPTY_ROOT(&root->inode_tree));
+ WARN_ON(test_bit(BTRFS_ROOT_DEAD_RELOC_TREE, &root->state));
if (root->anon_dev)
free_anon_bdev(root->anon_dev);
btrfs_drew_lock_destroy(&root->snapshot_lock);
@@ -2036,9 +2039,6 @@ void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info)
for (i = 0; i < ret; i++)
btrfs_drop_and_free_fs_root(fs_info, gang[i]);
}
-
- if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
- btrfs_free_log_root_tree(NULL, fs_info);
}
static void btrfs_init_scrub(struct btrfs_fs_info *fs_info)
@@ -2148,8 +2148,6 @@ static int btrfs_init_workqueues(struct btrfs_fs_info *fs_info,
fs_info->endio_raid56_workers =
btrfs_alloc_workqueue(fs_info, "endio-raid56", flags,
max_active, 4);
- fs_info->endio_repair_workers =
- btrfs_alloc_workqueue(fs_info, "endio-repair", flags, 1, 0);
fs_info->rmw_workers =
btrfs_alloc_workqueue(fs_info, "rmw", flags, max_active, 2);
fs_info->endio_write_workers =
@@ -2173,7 +2171,6 @@ static int btrfs_init_workqueues(struct btrfs_fs_info *fs_info,
fs_info->flush_workers &&
fs_info->endio_workers && fs_info->endio_meta_workers &&
fs_info->endio_meta_write_workers &&
- fs_info->endio_repair_workers &&
fs_info->endio_write_workers && fs_info->endio_raid56_workers &&
fs_info->endio_freespace_worker && fs_info->rmw_workers &&
fs_info->caching_workers && fs_info->readahead_workers &&
@@ -2295,6 +2292,19 @@ static int btrfs_read_roots(struct btrfs_fs_info *fs_info)
set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
fs_info->csum_root = root;
+ /*
+ * This tree can share blocks with some other fs tree during relocation
+ * and we need a proper setup by btrfs_get_fs_root
+ */
+ root = btrfs_get_fs_root(tree_root->fs_info,
+ BTRFS_DATA_RELOC_TREE_OBJECTID, true);
+ if (IS_ERR(root)) {
+ ret = PTR_ERR(root);
+ goto out;
+ }
+ set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state);
+ fs_info->data_reloc_root = root;
+
location.objectid = BTRFS_QUOTA_TREE_OBJECTID;
root = btrfs_read_tree_root(tree_root, &location);
if (!IS_ERR(root)) {
@@ -2832,7 +2842,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
u64 generation;
u64 features;
u16 csum_type;
- struct btrfs_key location;
struct btrfs_super_block *disk_super;
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
struct btrfs_root *tree_root;
@@ -3246,11 +3255,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
}
}
- location.objectid = BTRFS_FS_TREE_OBJECTID;
- location.type = BTRFS_ROOT_ITEM_KEY;
- location.offset = 0;
-
- fs_info->fs_root = btrfs_get_fs_root(fs_info, &location, true);
+ fs_info->fs_root = btrfs_get_fs_root(fs_info, BTRFS_FS_TREE_OBJECTID, true);
if (IS_ERR(fs_info->fs_root)) {
err = PTR_ERR(fs_info->fs_root);
btrfs_warn(fs_info, "failed to read fs tree: %d", err);
@@ -3513,10 +3518,9 @@ static int write_dev_supers(struct btrfs_device *device,
btrfs_set_super_bytenr(sb, bytenr);
- crypto_shash_init(shash);
- crypto_shash_update(shash, (const char *)sb + BTRFS_CSUM_SIZE,
- BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE);
- crypto_shash_final(shash, sb->csum);
+ crypto_shash_digest(shash, (const char *)sb + BTRFS_CSUM_SIZE,
+ BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE,
+ sb->csum);
page = find_or_create_page(mapping, bytenr >> PAGE_SHIFT,
GFP_NOFS);
@@ -3888,7 +3892,7 @@ void btrfs_drop_and_free_fs_root(struct btrfs_fs_info *fs_info,
spin_unlock(&fs_info->fs_roots_radix_lock);
if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state)) {
- btrfs_free_log(NULL, root);
+ ASSERT(root->log_root == NULL);
if (root->reloc_root) {
btrfs_put_root(root->reloc_root);
root->reloc_root = NULL;
@@ -4211,6 +4215,36 @@ static void btrfs_error_commit_super(struct btrfs_fs_info *fs_info)
up_write(&fs_info->cleanup_work_sem);
}
+static void btrfs_drop_all_logs(struct btrfs_fs_info *fs_info)
+{
+ struct btrfs_root *gang[8];
+ u64 root_objectid = 0;
+ int ret;
+
+ spin_lock(&fs_info->fs_roots_radix_lock);
+ while ((ret = radix_tree_gang_lookup(&fs_info->fs_roots_radix,
+ (void **)gang, root_objectid,
+ ARRAY_SIZE(gang))) != 0) {
+ int i;
+
+ for (i = 0; i < ret; i++)
+ gang[i] = btrfs_grab_root(gang[i]);
+ spin_unlock(&fs_info->fs_roots_radix_lock);
+
+ for (i = 0; i < ret; i++) {
+ if (!gang[i])
+ continue;
+ root_objectid = gang[i]->root_key.objectid;
+ btrfs_free_log(NULL, gang[i]);
+ btrfs_put_root(gang[i]);
+ }
+ root_objectid++;
+ spin_lock(&fs_info->fs_roots_radix_lock);
+ }
+ spin_unlock(&fs_info->fs_roots_radix_lock);
+ btrfs_free_log_root_tree(NULL, fs_info);
+}
+
static void btrfs_destroy_ordered_extents(struct btrfs_root *root)
{
struct btrfs_ordered_extent *ordered;
@@ -4603,6 +4637,7 @@ static int btrfs_cleanup_transaction(struct btrfs_fs_info *fs_info)
btrfs_destroy_delayed_inodes(fs_info);
btrfs_assert_delayed_root_empty(fs_info);
btrfs_destroy_all_delalloc_inodes(fs_info);
+ btrfs_drop_all_logs(fs_info);
mutex_unlock(&fs_info->transaction_kthread_mutex);
return 0;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index cd629113f61c..bf43245406c4 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -25,7 +25,6 @@ enum btrfs_wq_endio_type {
BTRFS_WQ_ENDIO_METADATA,
BTRFS_WQ_ENDIO_FREE_SPACE,
BTRFS_WQ_ENDIO_RAID56,
- BTRFS_WQ_ENDIO_DIO_REPAIR,
};
static inline u64 btrfs_sb_offset(int mirror)
@@ -67,8 +66,7 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,
void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info);
struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
- struct btrfs_key *key,
- bool check_ref);
+ u64 objectid, bool check_ref);
void btrfs_free_fs_info(struct btrfs_fs_info *fs_info);
int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info);
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 2bb25d2dc44b..1a8d419d9e1f 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -64,24 +64,15 @@ struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
struct btrfs_root *root;
struct inode *inode;
- struct btrfs_key key;
if (objectid < BTRFS_FIRST_FREE_OBJECTID)
return ERR_PTR(-ESTALE);
- key.objectid = root_objectid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
-
- root = btrfs_get_fs_root(fs_info, &key, true);
+ root = btrfs_get_fs_root(fs_info, root_objectid, true);
if (IS_ERR(root))
return ERR_CAST(root);
- key.objectid = objectid;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
-
- inode = btrfs_iget(sb, &key, root);
+ inode = btrfs_iget(sb, objectid, root);
btrfs_put_root(root);
if (IS_ERR(inode))
return ERR_CAST(inode);
@@ -200,9 +191,7 @@ struct dentry *btrfs_get_parent(struct dentry *child)
found_key.offset, 0, 0);
}
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- return d_obtain_alias(btrfs_iget(fs_info->sb, &key, root));
+ return d_obtain_alias(btrfs_iget(fs_info->sb, key.objectid, root));
fail:
btrfs_free_path(path);
return ERR_PTR(ret);
diff --git a/fs/btrfs/extent-io-tree.h b/fs/btrfs/extent-io-tree.h
index b4a7bad3e82e..b6561455b3c4 100644
--- a/fs/btrfs/extent-io-tree.h
+++ b/fs/btrfs/extent-io-tree.h
@@ -44,6 +44,7 @@ enum {
IO_TREE_TRANS_DIRTY_PAGES,
IO_TREE_ROOT_DIRTY_LOG_PAGES,
IO_TREE_INODE_FILE_EXTENT,
+ IO_TREE_LOG_CSUM_RANGE,
IO_TREE_SELFTEST,
};
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 54a64d1e18c6..c0bc35f932bf 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2114,22 +2114,6 @@ static u64 find_middle(struct rb_root *root)
}
#endif
-static inline u64 heads_to_leaves(struct btrfs_fs_info *fs_info, u64 heads)
-{
- u64 num_bytes;
-
- num_bytes = heads * (sizeof(struct btrfs_extent_item) +
- sizeof(struct btrfs_extent_inline_ref));
- if (!btrfs_fs_incompat(fs_info, SKINNY_METADATA))
- num_bytes += heads * sizeof(struct btrfs_tree_block_info);
-
- /*
- * We don't ever fill up leaves all the way so multiply by 2 just to be
- * closer to what we're really going to want to use.
- */
- return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(fs_info));
-}
-
/*
* Takes the number of bytes to be csumm'ed and figures out how many leaves it
* would require to store the csums for that many bytes.
@@ -2442,7 +2426,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
nritems = btrfs_header_nritems(buf);
level = btrfs_header_level(buf);
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state) && level == 0)
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state) && level == 0)
return 0;
if (full_backref)
@@ -2932,7 +2916,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans)
&trimmed);
list_del_init(&block_group->bg_list);
- btrfs_put_block_group_trimming(block_group);
+ btrfs_unfreeze_block_group(block_group);
btrfs_put_block_group(block_group);
if (ret) {
@@ -3369,6 +3353,7 @@ static struct btrfs_block_group *btrfs_lock_cluster(
struct btrfs_block_group *block_group,
struct btrfs_free_cluster *cluster,
int delalloc)
+ __acquires(&cluster->refill_lock)
{
struct btrfs_block_group *used_bg = NULL;
@@ -5501,8 +5486,6 @@ out:
*/
if (!for_reloc && !root_dropped)
btrfs_add_dead_root(root);
- if (err && err != -EAGAIN)
- btrfs_handle_fs_error(fs_info, err, NULL);
return err;
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 39e45b8a5031..68c96057ad2d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2333,7 +2333,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
return 0;
}
-int btrfs_repair_eb_io_failure(struct extent_buffer *eb, int mirror_num)
+int btrfs_repair_eb_io_failure(const struct extent_buffer *eb, int mirror_num)
{
struct btrfs_fs_info *fs_info = eb->fs_info;
u64 start = eb->start;
@@ -2537,8 +2537,9 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end,
return 0;
}
-bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
- struct io_failure_record *failrec, int failed_mirror)
+static bool btrfs_check_repairable(struct inode *inode, bool needs_validation,
+ struct io_failure_record *failrec,
+ int failed_mirror)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
int num_copies;
@@ -2561,7 +2562,7 @@ bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
* a) deliver good data to the caller
* b) correct the bad sectors on disk
*/
- if (failed_bio_pages > 1) {
+ if (needs_validation) {
/*
* to fulfill b), we need to know the exact failing sectors, as
* we don't want to rewrite any more than the failed ones. thus,
@@ -2600,94 +2601,115 @@ bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
return true;
}
-
-struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
- struct io_failure_record *failrec,
- struct page *page, int pg_offset, int icsum,
- bio_end_io_t *endio_func, void *data)
+static bool btrfs_io_needs_validation(struct inode *inode, struct bio *bio)
{
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- struct bio *bio;
- struct btrfs_io_bio *btrfs_failed_bio;
- struct btrfs_io_bio *btrfs_bio;
+ u64 len = 0;
+ const u32 blocksize = inode->i_sb->s_blocksize;
- bio = btrfs_io_bio_alloc(1);
- bio->bi_end_io = endio_func;
- bio->bi_iter.bi_sector = failrec->logical >> 9;
- bio->bi_iter.bi_size = 0;
- bio->bi_private = data;
+ /*
+ * If bi_status is BLK_STS_OK, then this was a checksum error, not an
+ * I/O error. In this case, we already know exactly which sector was
+ * bad, so we don't need to validate.
+ */
+ if (bio->bi_status == BLK_STS_OK)
+ return false;
- btrfs_failed_bio = btrfs_io_bio(failed_bio);
- if (btrfs_failed_bio->csum) {
- u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
+ /*
+ * We need to validate each sector individually if the failed I/O was
+ * for multiple sectors.
+ *
+ * There are a few possible bios that can end up here:
+ * 1. A buffered read bio, which is not cloned.
+ * 2. A direct I/O read bio, which is cloned.
+ * 3. A (buffered or direct) repair bio, which is not cloned.
+ *
+ * For cloned bios (case 2), we can get the size from
+ * btrfs_io_bio->iter; for non-cloned bios (cases 1 and 3), we can get
+ * it from the bvecs.
+ */
+ if (bio_flagged(bio, BIO_CLONED)) {
+ if (btrfs_io_bio(bio)->iter.bi_size > blocksize)
+ return true;
+ } else {
+ struct bio_vec *bvec;
+ int i;
- btrfs_bio = btrfs_io_bio(bio);
- btrfs_bio->csum = btrfs_bio->csum_inline;
- icsum *= csum_size;
- memcpy(btrfs_bio->csum, btrfs_failed_bio->csum + icsum,
- csum_size);
+ bio_for_each_bvec_all(bvec, bio, i) {
+ len += bvec->bv_len;
+ if (len > blocksize)
+ return true;
+ }
}
-
- bio_add_page(bio, page, failrec->len, pg_offset);
-
- return bio;
+ return false;
}
-/*
- * This is a generic handler for readpage errors. If other copies exist, read
- * those and write back good data to the failed position. Does not investigate
- * in remapping the failed extent elsewhere, hoping the device will be smart
- * enough to do this as needed
- */
-static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
- struct page *page, u64 start, u64 end,
- int failed_mirror)
+blk_status_t btrfs_submit_read_repair(struct inode *inode,
+ struct bio *failed_bio, u64 phy_offset,
+ struct page *page, unsigned int pgoff,
+ u64 start, u64 end, int failed_mirror,
+ submit_bio_hook_t *submit_bio_hook)
{
struct io_failure_record *failrec;
- struct inode *inode = page->mapping->host;
+ struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
- struct bio *bio;
- int read_mode = 0;
+ struct btrfs_io_bio *failed_io_bio = btrfs_io_bio(failed_bio);
+ const int icsum = phy_offset >> inode->i_sb->s_blocksize_bits;
+ bool need_validation;
+ struct bio *repair_bio;
+ struct btrfs_io_bio *repair_io_bio;
blk_status_t status;
int ret;
- unsigned failed_bio_pages = failed_bio->bi_iter.bi_size >> PAGE_SHIFT;
+
+ btrfs_debug(fs_info,
+ "repair read error: read error at %llu", start);
BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
ret = btrfs_get_io_failure_record(inode, start, end, &failrec);
if (ret)
- return ret;
+ return errno_to_blk_status(ret);
+
+ need_validation = btrfs_io_needs_validation(inode, failed_bio);
- if (!btrfs_check_repairable(inode, failed_bio_pages, failrec,
+ if (!btrfs_check_repairable(inode, need_validation, failrec,
failed_mirror)) {
free_io_failure(failure_tree, tree, failrec);
- return -EIO;
+ return BLK_STS_IOERR;
}
- if (failed_bio_pages > 1)
- read_mode |= REQ_FAILFAST_DEV;
+ repair_bio = btrfs_io_bio_alloc(1);
+ repair_io_bio = btrfs_io_bio(repair_bio);
+ repair_bio->bi_opf = REQ_OP_READ;
+ if (need_validation)
+ repair_bio->bi_opf |= REQ_FAILFAST_DEV;
+ repair_bio->bi_end_io = failed_bio->bi_end_io;
+ repair_bio->bi_iter.bi_sector = failrec->logical >> 9;
+ repair_bio->bi_private = failed_bio->bi_private;
+
+ if (failed_io_bio->csum) {
+ const u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
- phy_offset >>= inode->i_sb->s_blocksize_bits;
- bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,
- start - page_offset(page),
- (int)phy_offset, failed_bio->bi_end_io,
- NULL);
- bio->bi_opf = REQ_OP_READ | read_mode;
+ repair_io_bio->csum = repair_io_bio->csum_inline;
+ memcpy(repair_io_bio->csum,
+ failed_io_bio->csum + csum_size * icsum, csum_size);
+ }
+
+ bio_add_page(repair_bio, page, failrec->len, pgoff);
+ repair_io_bio->logical = failrec->start;
+ repair_io_bio->iter = repair_bio->bi_iter;
btrfs_debug(btrfs_sb(inode->i_sb),
- "Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d",
- read_mode, failrec->this_mirror, failrec->in_validation);
+"repair read error: submitting new read to mirror %d, in_validation=%d",
+ failrec->this_mirror, failrec->in_validation);
- status = tree->ops->submit_bio_hook(tree->private_data, bio, failrec->this_mirror,
- failrec->bio_flags);
+ status = submit_bio_hook(inode, repair_bio, failrec->this_mirror,
+ failrec->bio_flags);
if (status) {
free_io_failure(failure_tree, tree, failrec);
- bio_put(bio);
- ret = blk_status_to_errno(status);
+ bio_put(repair_bio);
}
-
- return ret;
+ return status;
}
/* lots and lots of room for performance fixes in the end_bio funcs */
@@ -2859,9 +2881,10 @@ static void end_bio_extent_readpage(struct bio *bio)
* If it can't handle the error it will return -EIO and
* we remain responsible for that page.
*/
- ret = bio_readpage_error(bio, offset, page, start, end,
- mirror);
- if (ret == 0) {
+ if (!btrfs_submit_read_repair(inode, bio, offset, page,
+ start - page_offset(page),
+ start, end, mirror,
+ tree->ops->submit_bio_hook)) {
uptodate = !bio->bi_status;
offset += len;
continue;
@@ -3076,22 +3099,16 @@ static int submit_extent_page(unsigned int opf,
static void attach_extent_buffer_page(struct extent_buffer *eb,
struct page *page)
{
- if (!PagePrivate(page)) {
- SetPagePrivate(page);
- get_page(page);
- set_page_private(page, (unsigned long)eb);
- } else {
+ if (!PagePrivate(page))
+ attach_page_private(page, eb);
+ else
WARN_ON(page->private != (unsigned long)eb);
- }
}
void set_page_extent_mapped(struct page *page)
{
- if (!PagePrivate(page)) {
- SetPagePrivate(page);
- get_page(page);
- set_page_private(page, EXTENT_PAGE_PRIVATE);
- }
+ if (!PagePrivate(page))
+ attach_page_private(page, (void *)EXTENT_PAGE_PRIVATE);
}
static struct extent_map *
@@ -4367,51 +4384,32 @@ int extent_writepages(struct address_space *mapping,
return ret;
}
-int extent_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages)
+void extent_readahead(struct readahead_control *rac)
{
struct bio *bio = NULL;
unsigned long bio_flags = 0;
struct page *pagepool[16];
struct extent_map *em_cached = NULL;
- int nr = 0;
u64 prev_em_start = (u64)-1;
+ int nr;
- while (!list_empty(pages)) {
- u64 contig_end = 0;
-
- for (nr = 0; nr < ARRAY_SIZE(pagepool) && !list_empty(pages);) {
- struct page *page = lru_to_page(pages);
-
- prefetchw(&page->flags);
- list_del(&page->lru);
- if (add_to_page_cache_lru(page, mapping, page->index,
- readahead_gfp_mask(mapping))) {
- put_page(page);
- break;
- }
-
- pagepool[nr++] = page;
- contig_end = page_offset(page) + PAGE_SIZE - 1;
- }
-
- if (nr) {
- u64 contig_start = page_offset(pagepool[0]);
+ while ((nr = readahead_page_batch(rac, pagepool))) {
+ u64 contig_start = page_offset(pagepool[0]);
+ u64 contig_end = page_offset(pagepool[nr - 1]) + PAGE_SIZE - 1;
- ASSERT(contig_start + nr * PAGE_SIZE - 1 == contig_end);
+ ASSERT(contig_start + nr * PAGE_SIZE - 1 == contig_end);
- contiguous_readpages(pagepool, nr, contig_start,
- contig_end, &em_cached, &bio, &bio_flags,
- &prev_em_start);
- }
+ contiguous_readpages(pagepool, nr, contig_start, contig_end,
+ &em_cached, &bio, &bio_flags, &prev_em_start);
}
if (em_cached)
free_extent_map(em_cached);
- if (bio)
- return submit_one_bio(bio, 0, bio_flags);
- return 0;
+ if (bio) {
+ if (submit_one_bio(bio, 0, bio_flags))
+ return;
+ }
}
/*
@@ -4887,7 +4885,7 @@ static void __free_extent_buffer(struct extent_buffer *eb)
kmem_cache_free(extent_buffer_cache, eb);
}
-int extent_buffer_under_io(struct extent_buffer *eb)
+int extent_buffer_under_io(const struct extent_buffer *eb)
{
return (atomic_read(&eb->io_pages) ||
test_bit(EXTENT_BUFFER_WRITEBACK, &eb->bflags) ||
@@ -4929,10 +4927,7 @@ static void btrfs_release_extent_buffer_pages(struct extent_buffer *eb)
* We need to make sure we haven't be attached
* to a new eb.
*/
- ClearPagePrivate(page);
- set_page_private(page, 0);
- /* One for the page private */
- put_page(page);
+ detach_page_private(page);
}
if (mapped)
@@ -4995,7 +4990,7 @@ __alloc_extent_buffer(struct btrfs_fs_info *fs_info, u64 start,
return eb;
}
-struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src)
+struct extent_buffer *btrfs_clone_extent_buffer(const struct extent_buffer *src)
{
int i;
struct page *p;
@@ -5401,7 +5396,7 @@ void free_extent_buffer_stale(struct extent_buffer *eb)
release_extent_buffer(eb);
}
-void clear_extent_buffer_dirty(struct extent_buffer *eb)
+void clear_extent_buffer_dirty(const struct extent_buffer *eb)
{
int i;
int num_pages;
@@ -5599,8 +5594,7 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dstv,
struct page *page;
char *kaddr;
char *dst = (char *)dstv;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
+ unsigned long i = start >> PAGE_SHIFT;
if (start + len > eb->len) {
WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, wanted %lu %lu\n",
@@ -5609,7 +5603,7 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dstv,
return;
}
- offset = offset_in_page(start_offset + start);
+ offset = offset_in_page(start);
while (len > 0) {
page = eb->pages[i];
@@ -5634,14 +5628,13 @@ int read_extent_buffer_to_user(const struct extent_buffer *eb,
struct page *page;
char *kaddr;
char __user *dst = (char __user *)dstv;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
+ unsigned long i = start >> PAGE_SHIFT;
int ret = 0;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = offset_in_page(start_offset + start);
+ offset = offset_in_page(start);
while (len > 0) {
page = eb->pages[i];
@@ -5662,48 +5655,6 @@ int read_extent_buffer_to_user(const struct extent_buffer *eb,
return ret;
}
-/*
- * return 0 if the item is found within a page.
- * return 1 if the item spans two pages.
- * return -EINVAL otherwise.
- */
-int map_private_extent_buffer(const struct extent_buffer *eb,
- unsigned long start, unsigned long min_len,
- char **map, unsigned long *map_start,
- unsigned long *map_len)
-{
- size_t offset;
- char *kaddr;
- struct page *p;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
- unsigned long end_i = (start_offset + start + min_len - 1) >>
- PAGE_SHIFT;
-
- if (start + min_len > eb->len) {
- WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, wanted %lu %lu\n",
- eb->start, eb->len, start, min_len);
- return -EINVAL;
- }
-
- if (i != end_i)
- return 1;
-
- if (i == 0) {
- offset = start_offset;
- *map_start = 0;
- } else {
- offset = 0;
- *map_start = ((u64)i << PAGE_SHIFT) - start_offset;
- }
-
- p = eb->pages[i];
- kaddr = page_address(p);
- *map = kaddr + offset;
- *map_len = PAGE_SIZE - offset;
- return 0;
-}
-
int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
unsigned long start, unsigned long len)
{
@@ -5712,14 +5663,13 @@ int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
struct page *page;
char *kaddr;
char *ptr = (char *)ptrv;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
+ unsigned long i = start >> PAGE_SHIFT;
int ret = 0;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = offset_in_page(start_offset + start);
+ offset = offset_in_page(start);
while (len > 0) {
page = eb->pages[i];
@@ -5739,7 +5689,7 @@ int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
return ret;
}
-void write_extent_buffer_chunk_tree_uuid(struct extent_buffer *eb,
+void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb,
const void *srcv)
{
char *kaddr;
@@ -5750,7 +5700,7 @@ void write_extent_buffer_chunk_tree_uuid(struct extent_buffer *eb,
BTRFS_FSID_SIZE);
}
-void write_extent_buffer_fsid(struct extent_buffer *eb, const void *srcv)
+void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *srcv)
{
char *kaddr;
@@ -5760,7 +5710,7 @@ void write_extent_buffer_fsid(struct extent_buffer *eb, const void *srcv)
BTRFS_FSID_SIZE);
}
-void write_extent_buffer(struct extent_buffer *eb, const void *srcv,
+void write_extent_buffer(const struct extent_buffer *eb, const void *srcv,
unsigned long start, unsigned long len)
{
size_t cur;
@@ -5768,13 +5718,12 @@ void write_extent_buffer(struct extent_buffer *eb, const void *srcv,
struct page *page;
char *kaddr;
char *src = (char *)srcv;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
+ unsigned long i = start >> PAGE_SHIFT;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = offset_in_page(start_offset + start);
+ offset = offset_in_page(start);
while (len > 0) {
page = eb->pages[i];
@@ -5791,20 +5740,19 @@ void write_extent_buffer(struct extent_buffer *eb, const void *srcv,
}
}
-void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
+void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
unsigned long len)
{
size_t cur;
size_t offset;
struct page *page;
char *kaddr;
- size_t start_offset = offset_in_page(eb->start);
- unsigned long i = (start_offset + start) >> PAGE_SHIFT;
+ unsigned long i = start >> PAGE_SHIFT;
WARN_ON(start > eb->len);
WARN_ON(start + len > eb->start + eb->len);
- offset = offset_in_page(start_offset + start);
+ offset = offset_in_page(start);
while (len > 0) {
page = eb->pages[i];
@@ -5820,8 +5768,8 @@ void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
}
}
-void copy_extent_buffer_full(struct extent_buffer *dst,
- struct extent_buffer *src)
+void copy_extent_buffer_full(const struct extent_buffer *dst,
+ const struct extent_buffer *src)
{
int i;
int num_pages;
@@ -5834,7 +5782,8 @@ void copy_extent_buffer_full(struct extent_buffer *dst,
page_address(src->pages[i]));
}
-void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
+void copy_extent_buffer(const struct extent_buffer *dst,
+ const struct extent_buffer *src,
unsigned long dst_offset, unsigned long src_offset,
unsigned long len)
{
@@ -5843,12 +5792,11 @@ void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
size_t offset;
struct page *page;
char *kaddr;
- size_t start_offset = offset_in_page(dst->start);
- unsigned long i = (start_offset + dst_offset) >> PAGE_SHIFT;
+ unsigned long i = dst_offset >> PAGE_SHIFT;
WARN_ON(src->len != dst_len);
- offset = offset_in_page(start_offset + dst_offset);
+ offset = offset_in_page(dst_offset);
while (len > 0) {
page = dst->pages[i];
@@ -5879,12 +5827,11 @@ void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
* This helper hides the ugliness of finding the byte in an extent buffer which
* contains a given bit.
*/
-static inline void eb_bitmap_offset(struct extent_buffer *eb,
+static inline void eb_bitmap_offset(const struct extent_buffer *eb,
unsigned long start, unsigned long nr,
unsigned long *page_index,
size_t *page_offset)
{
- size_t start_offset = offset_in_page(eb->start);
size_t byte_offset = BIT_BYTE(nr);
size_t offset;
@@ -5893,7 +5840,7 @@ static inline void eb_bitmap_offset(struct extent_buffer *eb,
* the bitmap item in the extent buffer + the offset of the byte in the
* bitmap item.
*/
- offset = start_offset + start + byte_offset;
+ offset = start + byte_offset;
*page_index = offset >> PAGE_SHIFT;
*page_offset = offset_in_page(offset);
@@ -5905,7 +5852,7 @@ static inline void eb_bitmap_offset(struct extent_buffer *eb,
* @start: offset of the bitmap item in the extent buffer
* @nr: bit number to test
*/
-int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
+int extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
unsigned long nr)
{
u8 *kaddr;
@@ -5927,7 +5874,7 @@ int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
* @pos: bit number of the first bit
* @len: number of bits to set
*/
-void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
+void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
unsigned long pos, unsigned long len)
{
u8 *kaddr;
@@ -5969,8 +5916,9 @@ void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
* @pos: bit number of the first bit
* @len: number of bits to clear
*/
-void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
- unsigned long pos, unsigned long len)
+void extent_buffer_bitmap_clear(const struct extent_buffer *eb,
+ unsigned long start, unsigned long pos,
+ unsigned long len)
{
u8 *kaddr;
struct page *page;
@@ -6031,14 +5979,14 @@ static void copy_pages(struct page *dst_page, struct page *src_page,
memcpy(dst_kaddr + dst_off, src_kaddr + src_off, len);
}
-void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
- unsigned long src_offset, unsigned long len)
+void memcpy_extent_buffer(const struct extent_buffer *dst,
+ unsigned long dst_offset, unsigned long src_offset,
+ unsigned long len)
{
struct btrfs_fs_info *fs_info = dst->fs_info;
size_t cur;
size_t dst_off_in_page;
size_t src_off_in_page;
- size_t start_offset = offset_in_page(dst->start);
unsigned long dst_i;
unsigned long src_i;
@@ -6056,11 +6004,11 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
}
while (len > 0) {
- dst_off_in_page = offset_in_page(start_offset + dst_offset);
- src_off_in_page = offset_in_page(start_offset + src_offset);
+ dst_off_in_page = offset_in_page(dst_offset);
+ src_off_in_page = offset_in_page(src_offset);
- dst_i = (start_offset + dst_offset) >> PAGE_SHIFT;
- src_i = (start_offset + src_offset) >> PAGE_SHIFT;
+ dst_i = dst_offset >> PAGE_SHIFT;
+ src_i = src_offset >> PAGE_SHIFT;
cur = min(len, (unsigned long)(PAGE_SIZE -
src_off_in_page));
@@ -6076,8 +6024,9 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
}
}
-void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
- unsigned long src_offset, unsigned long len)
+void memmove_extent_buffer(const struct extent_buffer *dst,
+ unsigned long dst_offset, unsigned long src_offset,
+ unsigned long len)
{
struct btrfs_fs_info *fs_info = dst->fs_info;
size_t cur;
@@ -6085,7 +6034,6 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
size_t src_off_in_page;
unsigned long dst_end = dst_offset + len - 1;
unsigned long src_end = src_offset + len - 1;
- size_t start_offset = offset_in_page(dst->start);
unsigned long dst_i;
unsigned long src_i;
@@ -6106,11 +6054,11 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
return;
}
while (len > 0) {
- dst_i = (start_offset + dst_end) >> PAGE_SHIFT;
- src_i = (start_offset + src_end) >> PAGE_SHIFT;
+ dst_i = dst_end >> PAGE_SHIFT;
+ src_i = src_end >> PAGE_SHIFT;
- dst_off_in_page = offset_in_page(start_offset + dst_end);
- src_off_in_page = offset_in_page(start_offset + src_end);
+ dst_off_in_page = offset_in_page(dst_end);
+ src_off_in_page = offset_in_page(src_end);
cur = min_t(unsigned long, len, src_off_in_page + 1);
cur = min(cur, dst_off_in_page + 1);
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 2ed65bd0760e..602bf3af9fb4 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -66,6 +66,10 @@ struct btrfs_io_bio;
struct io_failure_record;
struct extent_io_tree;
+typedef blk_status_t (submit_bio_hook_t)(struct inode *inode, struct bio *bio,
+ int mirror_num,
+ unsigned long bio_flags);
+
typedef blk_status_t (extent_submit_bio_start_t)(void *private_data,
struct bio *bio, u64 bio_offset);
@@ -74,8 +78,7 @@ struct extent_io_ops {
* The following callbacks must be always defined, the function
* pointer will be called unconditionally.
*/
- blk_status_t (*submit_bio_hook)(struct inode *inode, struct bio *bio,
- int mirror_num, unsigned long bio_flags);
+ submit_bio_hook_t *submit_bio_hook;
int (*readpage_end_io_hook)(struct btrfs_io_bio *io_bio, u64 phy_offset,
struct page *page, u64 start, u64 end,
int mirror);
@@ -198,8 +201,7 @@ int extent_writepages(struct address_space *mapping,
struct writeback_control *wbc);
int btree_write_cache_pages(struct address_space *mapping,
struct writeback_control *wbc);
-int extent_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages);
+void extent_readahead(struct readahead_control *rac);
int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len);
void set_page_extent_mapped(struct page *page);
@@ -210,7 +212,7 @@ struct extent_buffer *__alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start, unsigned long len);
struct extent_buffer *alloc_dummy_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start);
-struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src);
+struct extent_buffer *btrfs_clone_extent_buffer(const struct extent_buffer *src);
struct extent_buffer *find_extent_buffer(struct btrfs_fs_info *fs_info,
u64 start);
void free_extent_buffer(struct extent_buffer *eb);
@@ -228,7 +230,7 @@ static inline int num_extent_pages(const struct extent_buffer *eb)
(eb->start >> PAGE_SHIFT);
}
-static inline int extent_buffer_uptodate(struct extent_buffer *eb)
+static inline int extent_buffer_uptodate(const struct extent_buffer *eb)
{
return test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
}
@@ -241,37 +243,37 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dst,
int read_extent_buffer_to_user(const struct extent_buffer *eb,
void __user *dst, unsigned long start,
unsigned long len);
-void write_extent_buffer_fsid(struct extent_buffer *eb, const void *src);
-void write_extent_buffer_chunk_tree_uuid(struct extent_buffer *eb,
+void write_extent_buffer_fsid(const struct extent_buffer *eb, const void *src);
+void write_extent_buffer_chunk_tree_uuid(const struct extent_buffer *eb,
const void *src);
-void write_extent_buffer(struct extent_buffer *eb, const void *src,
+void write_extent_buffer(const struct extent_buffer *eb, const void *src,
unsigned long start, unsigned long len);
-void copy_extent_buffer_full(struct extent_buffer *dst,
- struct extent_buffer *src);
-void copy_extent_buffer(struct extent_buffer *dst, struct extent_buffer *src,
+void copy_extent_buffer_full(const struct extent_buffer *dst,
+ const struct extent_buffer *src);
+void copy_extent_buffer(const struct extent_buffer *dst,
+ const struct extent_buffer *src,
unsigned long dst_offset, unsigned long src_offset,
unsigned long len);
-void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
- unsigned long src_offset, unsigned long len);
-void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset,
- unsigned long src_offset, unsigned long len);
-void memzero_extent_buffer(struct extent_buffer *eb, unsigned long start,
+void memcpy_extent_buffer(const struct extent_buffer *dst,
+ unsigned long dst_offset, unsigned long src_offset,
+ unsigned long len);
+void memmove_extent_buffer(const struct extent_buffer *dst,
+ unsigned long dst_offset, unsigned long src_offset,
+ unsigned long len);
+void memzero_extent_buffer(const struct extent_buffer *eb, unsigned long start,
unsigned long len);
-int extent_buffer_test_bit(struct extent_buffer *eb, unsigned long start,
+int extent_buffer_test_bit(const struct extent_buffer *eb, unsigned long start,
unsigned long pos);
-void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
+void extent_buffer_bitmap_set(const struct extent_buffer *eb, unsigned long start,
unsigned long pos, unsigned long len);
-void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
- unsigned long pos, unsigned long len);
-void clear_extent_buffer_dirty(struct extent_buffer *eb);
+void extent_buffer_bitmap_clear(const struct extent_buffer *eb,
+ unsigned long start, unsigned long pos,
+ unsigned long len);
+void clear_extent_buffer_dirty(const struct extent_buffer *eb);
bool set_extent_buffer_dirty(struct extent_buffer *eb);
void set_extent_buffer_uptodate(struct extent_buffer *eb);
void clear_extent_buffer_uptodate(struct extent_buffer *eb);
-int extent_buffer_under_io(struct extent_buffer *eb);
-int map_private_extent_buffer(const struct extent_buffer *eb,
- unsigned long offset, unsigned long min_len,
- char **map, unsigned long *map_start,
- unsigned long *map_len);
+int extent_buffer_under_io(const struct extent_buffer *eb);
void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end);
void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end);
void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end,
@@ -290,7 +292,7 @@ int repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
u64 length, u64 logical, struct page *page,
unsigned int pg_offset, int mirror_num);
void end_extent_writepage(struct page *page, int err, u64 start, u64 end);
-int btrfs_repair_eb_io_failure(struct extent_buffer *eb, int mirror_num);
+int btrfs_repair_eb_io_failure(const struct extent_buffer *eb, int mirror_num);
/*
* When IO fails, either with EIO or csum verification fails, we
@@ -312,12 +314,12 @@ struct io_failure_record {
};
-bool btrfs_check_repairable(struct inode *inode, unsigned failed_bio_pages,
- struct io_failure_record *failrec, int fail_mirror);
-struct bio *btrfs_create_repair_bio(struct inode *inode, struct bio *failed_bio,
- struct io_failure_record *failrec,
- struct page *page, int pg_offset, int icsum,
- bio_end_io_t *endio_func, void *data);
+blk_status_t btrfs_submit_read_repair(struct inode *inode,
+ struct bio *failed_bio, u64 phy_offset,
+ struct page *page, unsigned int pgoff,
+ u64 start, u64 end, int failed_mirror,
+ submit_bio_hook_t *submit_bio_hook);
+
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
bool find_lock_delalloc_range(struct inode *inode,
struct page *locked_page, u64 *start,
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c
index b618ad5339ba..706a3128e192 100644
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -242,11 +242,13 @@ int btrfs_lookup_file_extent(struct btrfs_trans_handle *trans,
/**
* btrfs_lookup_bio_sums - Look up checksums for a bio.
* @inode: inode that the bio is for.
- * @bio: bio embedded in btrfs_io_bio.
+ * @bio: bio to look up.
* @offset: Unless (u64)-1, look up checksums for this offset in the file.
* If (u64)-1, use the page offsets from the bio instead.
- * @dst: Buffer of size btrfs_super_csum_size() used to return checksum. If
- * NULL, the checksum is returned in btrfs_io_bio(bio)->csum instead.
+ * @dst: Buffer of size nblocks * btrfs_super_csum_size() used to return
+ * checksum (nblocks = bio->bi_iter.bi_size / fs_info->sectorsize). If
+ * NULL, the checksum buffer is allocated and returned in
+ * btrfs_io_bio(bio)->csum instead.
*
* Return: BLK_STS_RESOURCE if allocating memory fails, BLK_STS_OK otherwise.
*/
@@ -256,7 +258,6 @@ blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct bio_vec bvec;
struct bvec_iter iter;
- struct btrfs_io_bio *btrfs_bio = btrfs_io_bio(bio);
struct btrfs_csum_item *item = NULL;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
struct btrfs_path *path;
@@ -277,6 +278,8 @@ blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio,
nblocks = bio->bi_iter.bi_size >> inode->i_sb->s_blocksize_bits;
if (!dst) {
+ struct btrfs_io_bio *btrfs_bio = btrfs_io_bio(bio);
+
if (nblocks * csum_size > BTRFS_BIO_INLINE_CSUM_SIZE) {
btrfs_bio->csum = kmalloc_array(nblocks, csum_size,
GFP_NOFS);
@@ -598,13 +601,12 @@ blk_status_t btrfs_csum_one_bio(struct inode *inode, struct bio *bio,
index = 0;
}
- crypto_shash_init(shash);
data = kmap_atomic(bvec.bv_page);
- crypto_shash_update(shash, data + bvec.bv_offset
+ crypto_shash_digest(shash, data + bvec.bv_offset
+ (i * fs_info->sectorsize),
- fs_info->sectorsize);
+ fs_info->sectorsize,
+ sums->sums + index);
kunmap_atomic(data);
- crypto_shash_final(shash, (char *)(sums->sums + index));
index += csum_size;
offset += fs_info->sectorsize;
this_sum_bytes += fs_info->sectorsize;
@@ -869,7 +871,7 @@ again:
}
ret = PTR_ERR(item);
if (ret != -EFBIG && ret != -ENOENT)
- goto fail_unlock;
+ goto out;
if (ret == -EFBIG) {
u32 item_size;
@@ -887,10 +889,12 @@ again:
nritems = btrfs_header_nritems(path->nodes[0]);
if (!nritems || (path->slots[0] >= nritems - 1)) {
ret = btrfs_next_leaf(root, path);
- if (ret == 1)
+ if (ret < 0) {
+ goto out;
+ } else if (ret > 0) {
found_next = 1;
- if (ret != 0)
goto insert;
+ }
slot = path->slots[0];
}
btrfs_item_key_to_cpu(path->nodes[0], &found_key, slot);
@@ -905,14 +909,27 @@ again:
}
/*
- * at this point, we know the tree has an item, but it isn't big
- * enough yet to put our csum in. Grow it
+ * At this point, we know the tree has a checksum item that ends at an
+ * offset matching the start of the checksum range we want to insert.
+ * We try to extend that item as much as possible and then add as many
+ * checksums to it as they fit.
+ *
+ * First check if the leaf has enough free space for at least one
+ * checksum. If it has go directly to the item extension code, otherwise
+ * release the path and do a search for insertion before the extension.
*/
+ if (btrfs_leaf_free_space(leaf) >= csum_size) {
+ btrfs_item_key_to_cpu(leaf, &found_key, path->slots[0]);
+ csum_offset = (bytenr - found_key.offset) >>
+ fs_info->sb->s_blocksize_bits;
+ goto extend_csum;
+ }
+
btrfs_release_path(path);
ret = btrfs_search_slot(trans, root, &file_key, path,
csum_size, 1);
if (ret < 0)
- goto fail_unlock;
+ goto out;
if (ret > 0) {
if (path->slots[0] == 0)
@@ -931,19 +948,13 @@ again:
goto insert;
}
+extend_csum:
if (csum_offset == btrfs_item_size_nr(leaf, path->slots[0]) /
csum_size) {
int extend_nr;
u64 tmp;
u32 diff;
- u32 free_space;
-
- if (btrfs_leaf_free_space(leaf) <
- sizeof(struct btrfs_item) + csum_size * 2)
- goto insert;
- free_space = btrfs_leaf_free_space(leaf) -
- sizeof(struct btrfs_item) - csum_size;
tmp = sums->len - total_bytes;
tmp >>= fs_info->sb->s_blocksize_bits;
WARN_ON(tmp < 1);
@@ -954,7 +965,7 @@ again:
MAX_CSUM_ITEMS(fs_info, csum_size) * csum_size);
diff = diff - btrfs_item_size_nr(leaf, path->slots[0]);
- diff = min(free_space, diff);
+ diff = min_t(u32, btrfs_leaf_free_space(leaf), diff);
diff /= csum_size;
diff *= csum_size;
@@ -985,9 +996,9 @@ insert:
ins_size);
path->leave_spinning = 0;
if (ret < 0)
- goto fail_unlock;
+ goto out;
if (WARN_ON(ret != 0))
- goto fail_unlock;
+ goto out;
leaf = path->nodes[0];
csum:
item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_csum_item);
@@ -1017,9 +1028,6 @@ found:
out:
btrfs_free_path(path);
return ret;
-
-fail_unlock:
- goto out;
}
void btrfs_extent_item_to_extent_map(struct btrfs_inode *inode,
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 719e68ab552c..fde125616687 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -275,26 +275,18 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
{
struct btrfs_root *inode_root;
struct inode *inode;
- struct btrfs_key key;
struct btrfs_ioctl_defrag_range_args range;
int num_defrag;
int ret;
/* get the inode */
- key.objectid = defrag->root;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
-
- inode_root = btrfs_get_fs_root(fs_info, &key, true);
+ inode_root = btrfs_get_fs_root(fs_info, defrag->root, true);
if (IS_ERR(inode_root)) {
ret = PTR_ERR(inode_root);
goto cleanup;
}
- key.objectid = defrag->ino;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, inode_root);
+ inode = btrfs_iget(fs_info->sb, defrag->ino, inode_root);
btrfs_put_root(inode_root);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
@@ -775,7 +767,7 @@ int __btrfs_drop_extents(struct btrfs_trans_handle *trans,
if (start >= BTRFS_I(inode)->disk_i_size && !replace_extent)
modify_tree = 0;
- update_refs = (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
+ update_refs = (test_bit(BTRFS_ROOT_SHAREABLE, &root->state) ||
root == fs_info->tree_root);
while (1) {
recow = 0;
@@ -1817,21 +1809,61 @@ again:
return num_written ? num_written : ret;
}
-static ssize_t __btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from)
+static ssize_t check_direct_IO(struct btrfs_fs_info *fs_info,
+ const struct iov_iter *iter, loff_t offset)
+{
+ const unsigned int blocksize_mask = fs_info->sectorsize - 1;
+
+ if (offset & blocksize_mask)
+ return -EINVAL;
+
+ if (iov_iter_alignment(iter) & blocksize_mask)
+ return -EINVAL;
+
+ return 0;
+}
+
+static ssize_t btrfs_direct_write(struct kiocb *iocb, struct iov_iter *from)
{
struct file *file = iocb->ki_filp;
struct inode *inode = file_inode(file);
- loff_t pos;
- ssize_t written;
+ struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+ loff_t pos = iocb->ki_pos;
+ ssize_t written = 0;
ssize_t written_buffered;
loff_t endbyte;
int err;
+ size_t count = 0;
+ bool relock = false;
- written = generic_file_direct_write(iocb, from);
+ if (check_direct_IO(fs_info, from, pos))
+ goto buffered;
+
+ count = iov_iter_count(from);
+ /*
+ * If the write DIO is beyond the EOF, we need update the isize, but it
+ * is protected by i_mutex. So we can not unlock the i_mutex at this
+ * case.
+ */
+ if (pos + count <= inode->i_size) {
+ inode_unlock(inode);
+ relock = true;
+ } else if (iocb->ki_flags & IOCB_NOWAIT) {
+ return -EAGAIN;
+ }
+
+ down_read(&BTRFS_I(inode)->dio_sem);
+ written = iomap_dio_rw(iocb, from, &btrfs_dio_iomap_ops, &btrfs_dops,
+ is_sync_kiocb(iocb));
+ up_read(&BTRFS_I(inode)->dio_sem);
+
+ if (relock)
+ inode_lock(inode);
if (written < 0 || !iov_iter_count(from))
return written;
+buffered:
pos = iocb->ki_pos;
written_buffered = btrfs_buffered_write(iocb, from);
if (written_buffered < 0) {
@@ -1970,7 +2002,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
atomic_inc(&BTRFS_I(inode)->sync_writers);
if (iocb->ki_flags & IOCB_DIRECT) {
- num_written = __btrfs_direct_write(iocb, from);
+ num_written = btrfs_direct_write(iocb, from);
} else {
num_written = btrfs_buffered_write(iocb, from);
if (num_written > 0)
@@ -3484,9 +3516,54 @@ static int btrfs_file_open(struct inode *inode, struct file *filp)
return generic_file_open(inode, filp);
}
+static int check_direct_read(struct btrfs_fs_info *fs_info,
+ const struct iov_iter *iter, loff_t offset)
+{
+ int ret;
+ int i, seg;
+
+ ret = check_direct_IO(fs_info, iter, offset);
+ if (ret < 0)
+ return ret;
+
+ for (seg = 0; seg < iter->nr_segs; seg++)
+ for (i = seg + 1; i < iter->nr_segs; i++)
+ if (iter->iov[seg].iov_base == iter->iov[i].iov_base)
+ return -EINVAL;
+ return 0;
+}
+
+static ssize_t btrfs_direct_read(struct kiocb *iocb, struct iov_iter *to)
+{
+ struct inode *inode = file_inode(iocb->ki_filp);
+ ssize_t ret;
+
+ if (check_direct_read(btrfs_sb(inode->i_sb), to, iocb->ki_pos))
+ return 0;
+
+ inode_lock_shared(inode);
+ ret = iomap_dio_rw(iocb, to, &btrfs_dio_iomap_ops, &btrfs_dops,
+ is_sync_kiocb(iocb));
+ inode_unlock_shared(inode);
+ return ret;
+}
+
+static ssize_t btrfs_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
+{
+ ssize_t ret = 0;
+
+ if (iocb->ki_flags & IOCB_DIRECT) {
+ ret = btrfs_direct_read(iocb, to);
+ if (ret < 0)
+ return ret;
+ }
+
+ return generic_file_buffered_read(iocb, to, ret);
+}
+
const struct file_operations btrfs_file_operations = {
.llseek = btrfs_file_llseek,
- .read_iter = generic_file_read_iter,
+ .read_iter = btrfs_file_read_iter,
.splice_read = generic_file_splice_read,
.write_iter = btrfs_file_write_iter,
.mmap = btrfs_file_mmap,
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 3613da065a73..55955bd424d7 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -82,7 +82,7 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
* sure NOFS is set to keep us from deadlocking.
*/
nofs_flag = memalloc_nofs_save();
- inode = btrfs_iget_path(fs_info->sb, &location, root, path);
+ inode = btrfs_iget_path(fs_info->sb, location.objectid, root, path);
btrfs_release_path(path);
memalloc_nofs_restore(nofs_flag);
if (IS_ERR(inode))
@@ -1190,13 +1190,10 @@ out:
if (ret) {
invalidate_inode_pages2(inode->i_mapping);
BTRFS_I(inode)->generation = 0;
- if (block_group) {
-#ifdef CONFIG_BTRFS_DEBUG
- btrfs_err(root->fs_info,
- "failed to write free space cache for block group %llu",
- block_group->start);
-#endif
- }
+ if (block_group)
+ btrfs_debug(root->fs_info,
+ "failed to write free space cache for block group %llu error %d",
+ block_group->start, ret);
}
btrfs_update_inode(trans, root, inode);
@@ -1415,11 +1412,9 @@ int btrfs_write_out_cache(struct btrfs_trans_handle *trans,
ret = __btrfs_write_out_cache(fs_info->tree_root, inode, ctl,
block_group, &block_group->io_ctl, trans);
if (ret) {
-#ifdef CONFIG_BTRFS_DEBUG
- btrfs_err(fs_info,
- "failed to write free space cache for block group %llu",
- block_group->start);
-#endif
+ btrfs_debug(fs_info,
+ "failed to write free space cache for block group %llu error %d",
+ block_group->start, ret);
spin_lock(&block_group->lock);
block_group->disk_cache_state = BTRFS_DC_ERROR;
spin_unlock(&block_group->lock);
@@ -3762,46 +3757,6 @@ out:
return ret;
}
-void btrfs_get_block_group_trimming(struct btrfs_block_group *cache)
-{
- atomic_inc(&cache->trimming);
-}
-
-void btrfs_put_block_group_trimming(struct btrfs_block_group *block_group)
-{
- struct btrfs_fs_info *fs_info = block_group->fs_info;
- struct extent_map_tree *em_tree;
- struct extent_map *em;
- bool cleanup;
-
- spin_lock(&block_group->lock);
- cleanup = (atomic_dec_and_test(&block_group->trimming) &&
- block_group->removed);
- spin_unlock(&block_group->lock);
-
- if (cleanup) {
- mutex_lock(&fs_info->chunk_mutex);
- em_tree = &fs_info->mapping_tree;
- write_lock(&em_tree->lock);
- em = lookup_extent_mapping(em_tree, block_group->start,
- 1);
- BUG_ON(!em); /* logic error, can't happen */
- remove_extent_mapping(em_tree, em);
- write_unlock(&em_tree->lock);
- mutex_unlock(&fs_info->chunk_mutex);
-
- /* once for us and once for the tree */
- free_extent_map(em);
- free_extent_map(em);
-
- /*
- * We've left one free space entry and other tasks trimming
- * this block group have left 1 entry each one. Free them.
- */
- __btrfs_remove_free_space_cache(block_group->free_space_ctl);
- }
-}
-
int btrfs_trim_block_group(struct btrfs_block_group *block_group,
u64 *trimmed, u64 start, u64 end, u64 minlen)
{
@@ -3816,7 +3771,7 @@ int btrfs_trim_block_group(struct btrfs_block_group *block_group,
spin_unlock(&block_group->lock);
return 0;
}
- btrfs_get_block_group_trimming(block_group);
+ btrfs_freeze_block_group(block_group);
spin_unlock(&block_group->lock);
ret = trim_no_bitmap(block_group, trimmed, start, end, minlen, false);
@@ -3829,7 +3784,7 @@ int btrfs_trim_block_group(struct btrfs_block_group *block_group,
if (rem)
reset_trimming_bitmap(ctl, offset_to_bitmap(ctl, end));
out:
- btrfs_put_block_group_trimming(block_group);
+ btrfs_unfreeze_block_group(block_group);
return ret;
}
@@ -3846,11 +3801,11 @@ int btrfs_trim_block_group_extents(struct btrfs_block_group *block_group,
spin_unlock(&block_group->lock);
return 0;
}
- btrfs_get_block_group_trimming(block_group);
+ btrfs_freeze_block_group(block_group);
spin_unlock(&block_group->lock);
ret = trim_no_bitmap(block_group, trimmed, start, end, minlen, async);
- btrfs_put_block_group_trimming(block_group);
+ btrfs_unfreeze_block_group(block_group);
return ret;
}
@@ -3868,13 +3823,13 @@ int btrfs_trim_block_group_bitmaps(struct btrfs_block_group *block_group,
spin_unlock(&block_group->lock);
return 0;
}
- btrfs_get_block_group_trimming(block_group);
+ btrfs_freeze_block_group(block_group);
spin_unlock(&block_group->lock);
ret = trim_bitmaps(block_group, trimmed, start, end, minlen, maxlen,
async);
- btrfs_put_block_group_trimming(block_group);
+ btrfs_unfreeze_block_group(block_group);
return ret;
}
@@ -4035,11 +3990,9 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root,
if (release_metadata)
btrfs_delalloc_release_metadata(BTRFS_I(inode),
inode->i_size, true);
-#ifdef CONFIG_BTRFS_DEBUG
- btrfs_err(fs_info,
- "failed to write free ino cache for root %llu",
- root->root_key.objectid);
-#endif
+ btrfs_debug(fs_info,
+ "failed to write free ino cache for root %llu error %d",
+ root->root_key.objectid, ret);
}
return ret;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 320d1062068d..768c8be4c765 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5,7 +5,6 @@
#include <linux/kernel.h>
#include <linux/bio.h>
-#include <linux/buffer_head.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
@@ -49,17 +48,18 @@
#include "qgroup.h"
#include "delalloc-space.h"
#include "block-group.h"
+#include "space-info.h"
struct btrfs_iget_args {
- struct btrfs_key *location;
+ u64 ino;
struct btrfs_root *root;
};
struct btrfs_dio_data {
u64 reserve;
- u64 unsubmitted_oe_range_start;
- u64 unsubmitted_oe_range_end;
- int overwrite;
+ loff_t length;
+ ssize_t submitted;
+ struct extent_changeset *data_reserved;
};
static const struct inode_operations btrfs_dir_inode_operations;
@@ -1142,7 +1142,7 @@ out_unlock:
*/
if (extent_reserved) {
extent_clear_unlock_delalloc(inode, start,
- start + cur_alloc_size,
+ start + cur_alloc_size - 1,
locked_page,
clear_bits,
page_ops);
@@ -1355,6 +1355,66 @@ static noinline int csum_exist_in_range(struct btrfs_fs_info *fs_info,
return 1;
}
+static int fallback_to_cow(struct inode *inode, struct page *locked_page,
+ const u64 start, const u64 end,
+ int *page_started, unsigned long *nr_written)
+{
+ const bool is_space_ino = btrfs_is_free_space_inode(BTRFS_I(inode));
+ const u64 range_bytes = end + 1 - start;
+ struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+ u64 range_start = start;
+ u64 count;
+
+ /*
+ * If EXTENT_NORESERVE is set it means that when the buffered write was
+ * made we had not enough available data space and therefore we did not
+ * reserve data space for it, since we though we could do NOCOW for the
+ * respective file range (either there is prealloc extent or the inode
+ * has the NOCOW bit set).
+ *
+ * However when we need to fallback to COW mode (because for example the
+ * block group for the corresponding extent was turned to RO mode by a
+ * scrub or relocation) we need to do the following:
+ *
+ * 1) We increment the bytes_may_use counter of the data space info.
+ * If COW succeeds, it allocates a new data extent and after doing
+ * that it decrements the space info's bytes_may_use counter and
+ * increments its bytes_reserved counter by the same amount (we do
+ * this at btrfs_add_reserved_bytes()). So we need to increment the
+ * bytes_may_use counter to compensate (when space is reserved at
+ * buffered write time, the bytes_may_use counter is incremented);
+ *
+ * 2) We clear the EXTENT_NORESERVE bit from the range. We do this so
+ * that if the COW path fails for any reason, it decrements (through
+ * extent_clear_unlock_delalloc()) the bytes_may_use counter of the
+ * data space info, which we incremented in the step above.
+ *
+ * If we need to fallback to cow and the inode corresponds to a free
+ * space cache inode, we must also increment bytes_may_use of the data
+ * space_info for the same reason. Space caches always get a prealloc
+ * extent for them, however scrub or balance may have set the block
+ * group that contains that extent to RO mode.
+ */
+ count = count_range_bits(io_tree, &range_start, end, range_bytes,
+ EXTENT_NORESERVE, 0);
+ if (count > 0 || is_space_ino) {
+ const u64 bytes = is_space_ino ? range_bytes : count;
+ struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
+ struct btrfs_space_info *sinfo = fs_info->data_sinfo;
+
+ spin_lock(&sinfo->lock);
+ btrfs_space_info_update_bytes_may_use(fs_info, sinfo, bytes);
+ spin_unlock(&sinfo->lock);
+
+ if (count > 0)
+ clear_extent_bit(io_tree, start, end, EXTENT_NORESERVE,
+ 0, 0, NULL);
+ }
+
+ return cow_file_range(inode, locked_page, start, end, page_started,
+ nr_written, 1);
+}
+
/*
* when nowcow writeback call back. This checks for snapshots or COW copies
* of the extents that exist in the file, and COWs the file as required.
@@ -1602,9 +1662,9 @@ out_check:
* NOCOW, following one which needs to be COW'ed
*/
if (cow_start != (u64)-1) {
- ret = cow_file_range(inode, locked_page,
- cow_start, found_key.offset - 1,
- page_started, nr_written, 1);
+ ret = fallback_to_cow(inode, locked_page, cow_start,
+ found_key.offset - 1,
+ page_started, nr_written);
if (ret) {
if (nocow)
btrfs_dec_nocow_writers(fs_info,
@@ -1693,8 +1753,8 @@ out_check:
if (cow_start != (u64)-1) {
cur_offset = end;
- ret = cow_file_range(inode, locked_page, cow_start, end,
- page_started, nr_written, 1);
+ ret = fallback_to_cow(inode, locked_page, cow_start, end,
+ page_started, nr_written);
if (ret)
goto error;
}
@@ -2726,10 +2786,9 @@ void btrfs_writepage_endio_finish_ordered(struct page *page, u64 start,
btrfs_queue_work(wq, &ordered_extent->work);
}
-static int __readpage_endio_check(struct inode *inode,
- struct btrfs_io_bio *io_bio,
- int icsum, struct page *page,
- int pgoff, u64 start, size_t len)
+static int check_data_csum(struct inode *inode, struct btrfs_io_bio *io_bio,
+ int icsum, struct page *page, int pgoff, u64 start,
+ size_t len)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
@@ -2743,9 +2802,7 @@ static int __readpage_endio_check(struct inode *inode,
kaddr = kmap_atomic(page);
shash->tfm = fs_info->csum_shash;
- crypto_shash_init(shash);
- crypto_shash_update(shash, kaddr + pgoff, len);
- crypto_shash_final(shash, csum);
+ crypto_shash_digest(shash, kaddr + pgoff, len, csum);
if (memcmp(csum, csum_expected, csum_size))
goto zeroit;
@@ -2790,8 +2847,8 @@ static int btrfs_readpage_end_io_hook(struct btrfs_io_bio *io_bio,
}
phy_offset >>= inode->i_sb->s_blocksize_bits;
- return __readpage_endio_check(inode, io_bio, phy_offset, page, offset,
- start, (size_t)(end - start + 1));
+ return check_data_csum(inode, io_bio, phy_offset, page, offset, start,
+ (size_t)(end - start + 1));
}
/*
@@ -2981,7 +3038,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
found_key.objectid = found_key.offset;
found_key.type = BTRFS_INODE_ITEM_KEY;
found_key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &found_key, root);
+ inode = btrfs_iget(fs_info->sb, last_objectid, root);
ret = PTR_ERR_OR_ZERO(inode);
if (ret && ret != -ENOENT)
goto out;
@@ -3000,18 +3057,16 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
* orphan must not get deleted.
* find_dead_roots already ran before us, so if this
* is a snapshot deletion, we should find the root
- * in the dead_roots list
+ * in the fs_roots radix tree.
*/
- spin_lock(&fs_info->trans_lock);
- list_for_each_entry(dead_root, &fs_info->dead_roots,
- root_list) {
- if (dead_root->root_key.objectid ==
- found_key.objectid) {
- is_dead_root = 1;
- break;
- }
- }
- spin_unlock(&fs_info->trans_lock);
+
+ spin_lock(&fs_info->fs_roots_radix_lock);
+ dead_root = radix_tree_lookup(&fs_info->fs_roots_radix,
+ (unsigned long)found_key.objectid);
+ if (dead_root && btrfs_root_refs(&dead_root->root_item) == 0)
+ is_dead_root = 1;
+ spin_unlock(&fs_info->fs_roots_radix_lock);
+
if (is_dead_root) {
/* prevent this orphan from being found again */
key.offset = found_key.objectid - 1;
@@ -3357,43 +3412,40 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
btrfs_init_map_token(&token, leaf);
- btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);
- btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);
- btrfs_set_token_inode_size(leaf, item, BTRFS_I(inode)->disk_i_size,
- &token);
- btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);
- btrfs_set_token_inode_nlink(leaf, item, inode->i_nlink, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->atime,
- inode->i_atime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->atime,
- inode->i_atime.tv_nsec, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->mtime,
- inode->i_mtime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->mtime,
- inode->i_mtime.tv_nsec, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->ctime,
- inode->i_ctime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->ctime,
- inode->i_ctime.tv_nsec, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->otime,
- BTRFS_I(inode)->i_otime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->otime,
- BTRFS_I(inode)->i_otime.tv_nsec, &token);
-
- btrfs_set_token_inode_nbytes(leaf, item, inode_get_bytes(inode),
- &token);
- btrfs_set_token_inode_generation(leaf, item, BTRFS_I(inode)->generation,
- &token);
- btrfs_set_token_inode_sequence(leaf, item, inode_peek_iversion(inode),
- &token);
- btrfs_set_token_inode_transid(leaf, item, trans->transid, &token);
- btrfs_set_token_inode_rdev(leaf, item, inode->i_rdev, &token);
- btrfs_set_token_inode_flags(leaf, item, BTRFS_I(inode)->flags, &token);
- btrfs_set_token_inode_block_group(leaf, item, 0, &token);
+ btrfs_set_token_inode_uid(&token, item, i_uid_read(inode));
+ btrfs_set_token_inode_gid(&token, item, i_gid_read(inode));
+ btrfs_set_token_inode_size(&token, item, BTRFS_I(inode)->disk_i_size);
+ btrfs_set_token_inode_mode(&token, item, inode->i_mode);
+ btrfs_set_token_inode_nlink(&token, item, inode->i_nlink);
+
+ btrfs_set_token_timespec_sec(&token, &item->atime,
+ inode->i_atime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->atime,
+ inode->i_atime.tv_nsec);
+
+ btrfs_set_token_timespec_sec(&token, &item->mtime,
+ inode->i_mtime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->mtime,
+ inode->i_mtime.tv_nsec);
+
+ btrfs_set_token_timespec_sec(&token, &item->ctime,
+ inode->i_ctime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->ctime,
+ inode->i_ctime.tv_nsec);
+
+ btrfs_set_token_timespec_sec(&token, &item->otime,
+ BTRFS_I(inode)->i_otime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->otime,
+ BTRFS_I(inode)->i_otime.tv_nsec);
+
+ btrfs_set_token_inode_nbytes(&token, item, inode_get_bytes(inode));
+ btrfs_set_token_inode_generation(&token, item,
+ BTRFS_I(inode)->generation);
+ btrfs_set_token_inode_sequence(&token, item, inode_peek_iversion(inode));
+ btrfs_set_token_inode_transid(&token, item, trans->transid);
+ btrfs_set_token_inode_rdev(&token, item, inode->i_rdev);
+ btrfs_set_token_inode_flags(&token, item, BTRFS_I(inode)->flags);
+ btrfs_set_token_inode_block_group(&token, item, 0);
}
/*
@@ -3618,7 +3670,7 @@ static struct btrfs_trans_handle *__unlink_start_trans(struct inode *dir)
* 1 for the inode ref
* 1 for the inode
*/
- return btrfs_start_transaction_fallback_global_rsv(root, 5, 5);
+ return btrfs_start_transaction_fallback_global_rsv(root, 5);
}
static int btrfs_unlink(struct inode *dir, struct dentry *dentry)
@@ -4108,11 +4160,12 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
BUG_ON(new_size > 0 && min_type != BTRFS_EXTENT_DATA_KEY);
/*
- * for non-free space inodes and ref cows, we want to back off from
- * time to time
+ * For non-free space inodes and non-shareable roots, we want to back
+ * off from time to time. This means all inodes in subvolume roots,
+ * reloc roots, and data reloc roots.
*/
if (!btrfs_is_free_space_inode(BTRFS_I(inode)) &&
- test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
be_nice = true;
path = btrfs_alloc_path();
@@ -4120,20 +4173,19 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
return -ENOMEM;
path->reada = READA_BACK;
- if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID)
+ if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
lock_extent_bits(&BTRFS_I(inode)->io_tree, lock_start, (u64)-1,
&cached_state);
- /*
- * We want to drop from the next block forward in case this new size is
- * not block aligned since we will be keeping the last block of the
- * extent just the way it is.
- */
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
- root == fs_info->tree_root)
+ /*
+ * We want to drop from the next block forward in case this
+ * new size is not block aligned since we will be keeping the
+ * last block of the extent just the way it is.
+ */
btrfs_drop_extent_cache(BTRFS_I(inode), ALIGN(new_size,
fs_info->sectorsize),
(u64)-1, 0);
+ }
/*
* This function is also used to drop the items in the log tree before
@@ -4241,7 +4293,7 @@ search_again:
extent_num_bytes);
num_dec = (orig_num_bytes -
extent_num_bytes);
- if (test_bit(BTRFS_ROOT_REF_COWS,
+ if (test_bit(BTRFS_ROOT_SHAREABLE,
&root->state) &&
extent_start != 0)
inode_sub_bytes(inode, num_dec);
@@ -4257,7 +4309,7 @@ search_again:
num_dec = btrfs_file_extent_num_bytes(leaf, fi);
if (extent_start != 0) {
found_extent = 1;
- if (test_bit(BTRFS_ROOT_REF_COWS,
+ if (test_bit(BTRFS_ROOT_SHAREABLE,
&root->state))
inode_sub_bytes(inode, num_dec);
}
@@ -4293,7 +4345,7 @@ search_again:
clear_len = fs_info->sectorsize;
}
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
inode_sub_bytes(inode, item_end + 1 - new_size);
}
delete:
@@ -4334,8 +4386,7 @@ delete:
should_throttle = false;
if (found_extent &&
- (test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
- root == fs_info->tree_root)) {
+ root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
struct btrfs_ref ref = { 0 };
bytes_deleted += extent_num_bytes;
@@ -4759,10 +4810,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr)
truncate_setsize(inode, newsize);
- /* Disable nonlocked read DIO to avoid the endless truncate */
- btrfs_inode_block_unlocked_dio(BTRFS_I(inode));
inode_dio_wait(inode);
- btrfs_inode_resume_unlocked_dio(BTRFS_I(inode));
ret = btrfs_truncate(inode, newsize == oldsize);
if (ret && inode->i_nlink) {
@@ -4856,8 +4904,8 @@ static void evict_inode_truncate_pages(struct inode *inode)
/*
* Keep looping until we have no more ranges in the io tree.
- * We can have ongoing bios started by readpages (called from readahead)
- * that have their endio callback (extent_io.c:end_bio_extent_readpage)
+ * We can have ongoing bios started by readahead that have
+ * their endio callback (extent_io.c:end_bio_extent_readpage)
* still in progress (unlocked the pages in the bio but did not yet
* unlocked the ranges in the io tree). Therefore this means some
* ranges can still be locked and eviction started because before
@@ -5154,7 +5202,7 @@ static int fixup_tree_root_location(struct btrfs_fs_info *fs_info,
btrfs_release_path(path);
- new_root = btrfs_get_fs_root(fs_info, location, true);
+ new_root = btrfs_get_fs_root(fs_info, location->objectid, true);
if (IS_ERR(new_root)) {
err = PTR_ERR(new_root);
goto out;
@@ -5232,9 +5280,11 @@ static void inode_tree_del(struct inode *inode)
static int btrfs_init_locked_inode(struct inode *inode, void *p)
{
struct btrfs_iget_args *args = p;
- inode->i_ino = args->location->objectid;
- memcpy(&BTRFS_I(inode)->location, args->location,
- sizeof(*args->location));
+
+ inode->i_ino = args->ino;
+ BTRFS_I(inode)->location.objectid = args->ino;
+ BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY;
+ BTRFS_I(inode)->location.offset = 0;
BTRFS_I(inode)->root = btrfs_grab_root(args->root);
BUG_ON(args->root && !BTRFS_I(inode)->root);
return 0;
@@ -5243,19 +5293,19 @@ static int btrfs_init_locked_inode(struct inode *inode, void *p)
static int btrfs_find_actor(struct inode *inode, void *opaque)
{
struct btrfs_iget_args *args = opaque;
- return args->location->objectid == BTRFS_I(inode)->location.objectid &&
+
+ return args->ino == BTRFS_I(inode)->location.objectid &&
args->root == BTRFS_I(inode)->root;
}
-static struct inode *btrfs_iget_locked(struct super_block *s,
- struct btrfs_key *location,
+static struct inode *btrfs_iget_locked(struct super_block *s, u64 ino,
struct btrfs_root *root)
{
struct inode *inode;
struct btrfs_iget_args args;
- unsigned long hashval = btrfs_inode_hash(location->objectid, root);
+ unsigned long hashval = btrfs_inode_hash(ino, root);
- args.location = location;
+ args.ino = ino;
args.root = root;
inode = iget5_locked(s, hashval, btrfs_find_actor,
@@ -5265,17 +5315,17 @@ static struct inode *btrfs_iget_locked(struct super_block *s,
}
/*
- * Get an inode object given its location and corresponding root.
+ * Get an inode object given its inode number and corresponding root.
* Path can be preallocated to prevent recursing back to iget through
* allocator. NULL is also valid but may require an additional allocation
* later.
*/
-struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+struct inode *btrfs_iget_path(struct super_block *s, u64 ino,
struct btrfs_root *root, struct btrfs_path *path)
{
struct inode *inode;
- inode = btrfs_iget_locked(s, location, root);
+ inode = btrfs_iget_locked(s, ino, root);
if (!inode)
return ERR_PTR(-ENOMEM);
@@ -5302,10 +5352,9 @@ struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
return inode;
}
-struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
- struct btrfs_root *root)
+struct inode *btrfs_iget(struct super_block *s, u64 ino, struct btrfs_root *root)
{
- return btrfs_iget_path(s, location, root, NULL);
+ return btrfs_iget_path(s, ino, root, NULL);
}
static struct inode *new_simple_dir(struct super_block *s,
@@ -5374,7 +5423,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
return ERR_PTR(ret);
if (location.type == BTRFS_INODE_ITEM_KEY) {
- inode = btrfs_iget(dir->i_sb, &location, root);
+ inode = btrfs_iget(dir->i_sb, location.objectid, root);
if (IS_ERR(inode))
return inode;
@@ -5398,7 +5447,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
else
inode = new_simple_dir(dir->i_sb, &location, sub_root);
} else {
- inode = btrfs_iget(dir->i_sb, &location, sub_root);
+ inode = btrfs_iget(dir->i_sb, location.objectid, sub_root);
}
if (root != sub_root)
btrfs_put_root(sub_root);
@@ -5779,7 +5828,8 @@ int btrfs_set_inode_index(struct btrfs_inode *dir, u64 *index)
static int btrfs_insert_inode_locked(struct inode *inode)
{
struct btrfs_iget_args args;
- args.location = &BTRFS_I(inode)->location;
+
+ args.ino = BTRFS_I(inode)->location.objectid;
args.root = BTRFS_I(inode)->root;
return insert_inode_locked4(inode,
@@ -6991,7 +7041,7 @@ out:
}
static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
- struct extent_state **cached_state, int writing)
+ struct extent_state **cached_state, bool writing)
{
struct btrfs_ordered_extent *ordered;
int ret = 0;
@@ -7050,11 +7100,11 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
* for it to complete) and then invalidate the pages for
* this range (through invalidate_inode_pages2_range()),
* but that can lead us to a deadlock with a concurrent
- * call to readpages() (a buffered read or a defrag call
+ * call to readahead (a buffered read or a defrag call
* triggered a readahead) on a page lock due to an
* ordered dio extent we created before but did not have
* yet a corresponding bio submitted (whence it can not
- * complete), which makes readpages() wait for that
+ * complete), which makes readahead wait for that
* ordered extent to complete while holding a lock on
* that page.
*/
@@ -7129,30 +7179,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,
}
-static int btrfs_get_blocks_direct_read(struct extent_map *em,
- struct buffer_head *bh_result,
- struct inode *inode,
- u64 start, u64 len)
-{
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
-
- if (em->block_start == EXTENT_MAP_HOLE ||
- test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
- return -ENOENT;
-
- len = min(len, em->len - (start - em->start));
-
- bh_result->b_blocknr = (em->block_start + (start - em->start)) >>
- inode->i_blkbits;
- bh_result->b_size = len;
- bh_result->b_bdev = fs_info->fs_devices->latest_bdev;
- set_buffer_mapped(bh_result);
-
- return 0;
-}
-
static int btrfs_get_blocks_direct_write(struct extent_map **map,
- struct buffer_head *bh_result,
struct inode *inode,
struct btrfs_dio_data *dio_data,
u64 start, u64 len)
@@ -7214,7 +7241,6 @@ static int btrfs_get_blocks_direct_write(struct extent_map **map,
}
/* this will cow the extent */
- len = bh_result->b_size;
free_extent_map(em);
*map = em = btrfs_new_extent_direct(inode, start, len);
if (IS_ERR(em)) {
@@ -7225,64 +7251,73 @@ static int btrfs_get_blocks_direct_write(struct extent_map **map,
len = min(len, em->len - (start - em->start));
skip_cow:
- bh_result->b_blocknr = (em->block_start + (start - em->start)) >>
- inode->i_blkbits;
- bh_result->b_size = len;
- bh_result->b_bdev = fs_info->fs_devices->latest_bdev;
- set_buffer_mapped(bh_result);
-
- if (!test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
- set_buffer_new(bh_result);
-
/*
* Need to update the i_size under the extent lock so buffered
* readers will get the updated i_size when we unlock.
*/
- if (!dio_data->overwrite && start + len > i_size_read(inode))
+ if (start + len > i_size_read(inode))
i_size_write(inode, start + len);
- WARN_ON(dio_data->reserve < len);
dio_data->reserve -= len;
- dio_data->unsubmitted_oe_range_end = start + len;
- current->journal_info = dio_data;
out:
return ret;
}
-static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
- struct buffer_head *bh_result, int create)
+static int btrfs_dio_iomap_begin(struct inode *inode, loff_t start,
+ loff_t length, unsigned flags, struct iomap *iomap,
+ struct iomap *srcmap)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct extent_map *em;
struct extent_state *cached_state = NULL;
struct btrfs_dio_data *dio_data = NULL;
- u64 start = iblock << inode->i_blkbits;
u64 lockstart, lockend;
- u64 len = bh_result->b_size;
+ const bool write = !!(flags & IOMAP_WRITE);
int ret = 0;
+ u64 len = length;
+ bool unlock_extents = false;
- if (!create)
+ if (!write)
len = min_t(u64, len, fs_info->sectorsize);
lockstart = start;
lockend = start + len - 1;
- if (current->journal_info) {
- /*
- * Need to pull our outstanding extents and set journal_info to NULL so
- * that anything that needs to check if there's a transaction doesn't get
- * confused.
- */
- dio_data = current->journal_info;
- current->journal_info = NULL;
+ /*
+ * The generic stuff only does filemap_write_and_wait_range, which
+ * isn't enough if we've written compressed pages to this area, so we
+ * need to flush the dirty pages again to make absolutely sure that any
+ * outstanding dirty pages are on disk.
+ */
+ if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
+ &BTRFS_I(inode)->runtime_flags))
+ ret = filemap_fdatawrite_range(inode->i_mapping, start,
+ start + length - 1);
+
+ dio_data = kzalloc(sizeof(*dio_data), GFP_NOFS);
+ if (!dio_data)
+ return -ENOMEM;
+
+ dio_data->length = length;
+ if (write) {
+ dio_data->reserve = round_up(length, fs_info->sectorsize);
+ ret = btrfs_delalloc_reserve_space(inode,
+ &dio_data->data_reserved,
+ start, dio_data->reserve);
+ if (ret) {
+ extent_changeset_free(dio_data->data_reserved);
+ kfree(dio_data);
+ return ret;
+ }
}
+ iomap->private = dio_data;
+
/*
* If this errors out it's because we couldn't invalidate pagecache for
* this range and we need to fallback to buffered.
*/
- if (lock_extent_direct(inode, lockstart, lockend, &cached_state,
- create)) {
+ if (lock_extent_direct(inode, lockstart, lockend, &cached_state, write)) {
ret = -ENOTBLK;
goto err;
}
@@ -7314,35 +7349,47 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
goto unlock_err;
}
- if (create) {
- ret = btrfs_get_blocks_direct_write(&em, bh_result, inode,
- dio_data, start, len);
+ len = min(len, em->len - (start - em->start));
+ if (write) {
+ ret = btrfs_get_blocks_direct_write(&em, inode, dio_data,
+ start, len);
if (ret < 0)
goto unlock_err;
-
- unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart,
- lockend, &cached_state);
+ unlock_extents = true;
+ /* Recalc len in case the new em is smaller than requested */
+ len = min(len, em->len - (start - em->start));
} else {
- ret = btrfs_get_blocks_direct_read(em, bh_result, inode,
- start, len);
- /* Can be negative only if we read from a hole */
- if (ret < 0) {
- ret = 0;
- free_extent_map(em);
- goto unlock_err;
- }
/*
* We need to unlock only the end area that we aren't using.
* The rest is going to be unlocked by the endio routine.
*/
- lockstart = start + bh_result->b_size;
- if (lockstart < lockend) {
- unlock_extent_cached(&BTRFS_I(inode)->io_tree,
- lockstart, lockend, &cached_state);
- } else {
- free_extent_state(cached_state);
- }
+ lockstart = start + len;
+ if (lockstart < lockend)
+ unlock_extents = true;
+ }
+
+ if (unlock_extents)
+ unlock_extent_cached(&BTRFS_I(inode)->io_tree,
+ lockstart, lockend, &cached_state);
+ else
+ free_extent_state(cached_state);
+
+ /*
+ * Translate extent map information to iomap.
+ * We trim the extents (and move the addr) even though iomap code does
+ * that, since we have locked only the parts we are performing I/O in.
+ */
+ if ((em->block_start == EXTENT_MAP_HOLE) ||
+ (test_bit(EXTENT_FLAG_PREALLOC, &em->flags) && !write)) {
+ iomap->addr = IOMAP_NULL_ADDR;
+ iomap->type = IOMAP_HOLE;
+ } else {
+ iomap->addr = em->block_start + (start - em->start);
+ iomap->type = IOMAP_MAPPED;
}
+ iomap->offset = start;
+ iomap->bdev = fs_info->fs_devices->latest_bdev;
+ iomap->length = len;
free_extent_map(em);
@@ -7352,370 +7399,152 @@ unlock_err:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, lockstart, lockend,
&cached_state);
err:
- if (dio_data)
- current->journal_info = dio_data;
+ if (dio_data) {
+ btrfs_delalloc_release_space(inode, dio_data->data_reserved,
+ start, dio_data->reserve, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), dio_data->reserve);
+ extent_changeset_free(dio_data->data_reserved);
+ kfree(dio_data);
+ }
return ret;
}
-static inline blk_status_t submit_dio_repair_bio(struct inode *inode,
- struct bio *bio,
- int mirror_num)
+static int btrfs_dio_iomap_end(struct inode *inode, loff_t pos, loff_t length,
+ ssize_t written, unsigned flags, struct iomap *iomap)
{
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- blk_status_t ret;
+ int ret = 0;
+ struct btrfs_dio_data *dio_data = iomap->private;
+ size_t submitted = dio_data->submitted;
+ const bool write = !!(flags & IOMAP_WRITE);
- BUG_ON(bio_op(bio) == REQ_OP_WRITE);
+ if (!write && (iomap->type == IOMAP_HOLE)) {
+ /* If reading from a hole, unlock and return */
+ unlock_extent(&BTRFS_I(inode)->io_tree, pos, pos + length - 1);
+ goto out;
+ }
- ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DIO_REPAIR);
- if (ret)
- return ret;
+ if (submitted < length) {
+ pos += submitted;
+ length -= submitted;
+ if (write)
+ __endio_write_update_ordered(inode, pos, length, false);
+ else
+ unlock_extent(&BTRFS_I(inode)->io_tree, pos,
+ pos + length - 1);
+ ret = -ENOTBLK;
+ }
- ret = btrfs_map_bio(fs_info, bio, mirror_num);
+ if (write) {
+ if (dio_data->reserve)
+ btrfs_delalloc_release_space(inode,
+ dio_data->data_reserved, pos,
+ dio_data->reserve, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), dio_data->length);
+ extent_changeset_free(dio_data->data_reserved);
+ }
+out:
+ kfree(dio_data);
+ iomap->private = NULL;
return ret;
}
-static int btrfs_check_dio_repairable(struct inode *inode,
- struct bio *failed_bio,
- struct io_failure_record *failrec,
- int failed_mirror)
+static void btrfs_dio_private_put(struct btrfs_dio_private *dip)
{
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- int num_copies;
-
- num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len);
- if (num_copies == 1) {
- /*
- * we only have a single copy of the data, so don't bother with
- * all the retry and error correction code that follows. no
- * matter what the error is, it is very likely to persist.
- */
- btrfs_debug(fs_info,
- "Check DIO Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d",
- num_copies, failrec->this_mirror, failed_mirror);
- return 0;
- }
-
- failrec->failed_mirror = failed_mirror;
- failrec->this_mirror++;
- if (failrec->this_mirror == failed_mirror)
- failrec->this_mirror++;
+ /*
+ * This implies a barrier so that stores to dio_bio->bi_status before
+ * this and loads of dio_bio->bi_status after this are fully ordered.
+ */
+ if (!refcount_dec_and_test(&dip->refs))
+ return;
- if (failrec->this_mirror > num_copies) {
- btrfs_debug(fs_info,
- "Check DIO Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d",
- num_copies, failrec->this_mirror, failed_mirror);
- return 0;
+ if (bio_op(dip->dio_bio) == REQ_OP_WRITE) {
+ __endio_write_update_ordered(dip->inode, dip->logical_offset,
+ dip->bytes,
+ !dip->dio_bio->bi_status);
+ } else {
+ unlock_extent(&BTRFS_I(dip->inode)->io_tree,
+ dip->logical_offset,
+ dip->logical_offset + dip->bytes - 1);
}
- return 1;
+ bio_endio(dip->dio_bio);
+ kfree(dip);
}
-static blk_status_t dio_read_error(struct inode *inode, struct bio *failed_bio,
- struct page *page, unsigned int pgoff,
- u64 start, u64 end, int failed_mirror,
- bio_end_io_t *repair_endio, void *repair_arg)
+static blk_status_t submit_dio_repair_bio(struct inode *inode, struct bio *bio,
+ int mirror_num,
+ unsigned long bio_flags)
{
- struct io_failure_record *failrec;
- struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
- struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
- struct bio *bio;
- int isector;
- unsigned int read_mode = 0;
- int segs;
- int ret;
- blk_status_t status;
- struct bio_vec bvec;
+ struct btrfs_dio_private *dip = bio->bi_private;
+ struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+ blk_status_t ret;
- BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
+ BUG_ON(bio_op(bio) == REQ_OP_WRITE);
- ret = btrfs_get_io_failure_record(inode, start, end, &failrec);
+ ret = btrfs_bio_wq_end_io(fs_info, bio, BTRFS_WQ_ENDIO_DATA);
if (ret)
- return errno_to_blk_status(ret);
-
- ret = btrfs_check_dio_repairable(inode, failed_bio, failrec,
- failed_mirror);
- if (!ret) {
- free_io_failure(failure_tree, io_tree, failrec);
- return BLK_STS_IOERR;
- }
-
- segs = bio_segments(failed_bio);
- bio_get_first_bvec(failed_bio, &bvec);
- if (segs > 1 ||
- (bvec.bv_len > btrfs_inode_sectorsize(inode)))
- read_mode |= REQ_FAILFAST_DEV;
-
- isector = start - btrfs_io_bio(failed_bio)->logical;
- isector >>= inode->i_sb->s_blocksize_bits;
- bio = btrfs_create_repair_bio(inode, failed_bio, failrec, page,
- pgoff, isector, repair_endio, repair_arg);
- bio->bi_opf = REQ_OP_READ | read_mode;
-
- btrfs_debug(BTRFS_I(inode)->root->fs_info,
- "repair DIO read error: submitting new dio read[%#x] to this_mirror=%d, in_validation=%d",
- read_mode, failrec->this_mirror, failrec->in_validation);
-
- status = submit_dio_repair_bio(inode, bio, failrec->this_mirror);
- if (status) {
- free_io_failure(failure_tree, io_tree, failrec);
- bio_put(bio);
- }
-
- return status;
-}
-
-struct btrfs_retry_complete {
- struct completion done;
- struct inode *inode;
- u64 start;
- int uptodate;
-};
+ return ret;
-static void btrfs_retry_endio_nocsum(struct bio *bio)
-{
- struct btrfs_retry_complete *done = bio->bi_private;
- struct inode *inode = done->inode;
- struct bio_vec *bvec;
- struct extent_io_tree *io_tree, *failure_tree;
- struct bvec_iter_all iter_all;
-
- if (bio->bi_status)
- goto end;
-
- ASSERT(bio->bi_vcnt == 1);
- io_tree = &BTRFS_I(inode)->io_tree;
- failure_tree = &BTRFS_I(inode)->io_failure_tree;
- ASSERT(bio_first_bvec_all(bio)->bv_len == btrfs_inode_sectorsize(inode));
-
- done->uptodate = 1;
- ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, iter_all)
- clean_io_failure(BTRFS_I(inode)->root->fs_info, failure_tree,
- io_tree, done->start, bvec->bv_page,
- btrfs_ino(BTRFS_I(inode)), 0);
-end:
- complete(&done->done);
- bio_put(bio);
+ refcount_inc(&dip->refs);
+ ret = btrfs_map_bio(fs_info, bio, mirror_num);
+ if (ret)
+ refcount_dec(&dip->refs);
+ return ret;
}
-static blk_status_t __btrfs_correct_data_nocsum(struct inode *inode,
- struct btrfs_io_bio *io_bio)
+static blk_status_t btrfs_check_read_dio_bio(struct inode *inode,
+ struct btrfs_io_bio *io_bio,
+ const bool uptodate)
{
- struct btrfs_fs_info *fs_info;
+ struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
+ const u32 sectorsize = fs_info->sectorsize;
+ struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree;
+ struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+ const bool csum = !(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM);
struct bio_vec bvec;
struct bvec_iter iter;
- struct btrfs_retry_complete done;
- u64 start;
- unsigned int pgoff;
- u32 sectorsize;
- int nr_sectors;
- blk_status_t ret;
+ u64 start = io_bio->logical;
+ int icsum = 0;
blk_status_t err = BLK_STS_OK;
- fs_info = BTRFS_I(inode)->root->fs_info;
- sectorsize = fs_info->sectorsize;
-
- start = io_bio->logical;
- done.inode = inode;
- io_bio->bio.bi_iter = io_bio->iter;
+ __bio_for_each_segment(bvec, &io_bio->bio, iter, io_bio->iter) {
+ unsigned int i, nr_sectors, pgoff;
- bio_for_each_segment(bvec, &io_bio->bio, iter) {
nr_sectors = BTRFS_BYTES_TO_BLKS(fs_info, bvec.bv_len);
pgoff = bvec.bv_offset;
-
-next_block_or_try_again:
- done.uptodate = 0;
- done.start = start;
- init_completion(&done.done);
-
- ret = dio_read_error(inode, &io_bio->bio, bvec.bv_page,
- pgoff, start, start + sectorsize - 1,
- io_bio->mirror_num,
- btrfs_retry_endio_nocsum, &done);
- if (ret) {
- err = ret;
- goto next;
- }
-
- wait_for_completion_io(&done.done);
-
- if (!done.uptodate) {
- /* We might have another mirror, so try again */
- goto next_block_or_try_again;
- }
-
-next:
- start += sectorsize;
-
- nr_sectors--;
- if (nr_sectors) {
- pgoff += sectorsize;
+ for (i = 0; i < nr_sectors; i++) {
ASSERT(pgoff < PAGE_SIZE);
- goto next_block_or_try_again;
- }
- }
-
- return err;
-}
-
-static void btrfs_retry_endio(struct bio *bio)
-{
- struct btrfs_retry_complete *done = bio->bi_private;
- struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
- struct extent_io_tree *io_tree, *failure_tree;
- struct inode *inode = done->inode;
- struct bio_vec *bvec;
- int uptodate;
- int ret;
- int i = 0;
- struct bvec_iter_all iter_all;
-
- if (bio->bi_status)
- goto end;
-
- uptodate = 1;
-
- ASSERT(bio->bi_vcnt == 1);
- ASSERT(bio_first_bvec_all(bio)->bv_len == btrfs_inode_sectorsize(done->inode));
-
- io_tree = &BTRFS_I(inode)->io_tree;
- failure_tree = &BTRFS_I(inode)->io_failure_tree;
-
- ASSERT(!bio_flagged(bio, BIO_CLONED));
- bio_for_each_segment_all(bvec, bio, iter_all) {
- ret = __readpage_endio_check(inode, io_bio, i, bvec->bv_page,
- bvec->bv_offset, done->start,
- bvec->bv_len);
- if (!ret)
- clean_io_failure(BTRFS_I(inode)->root->fs_info,
- failure_tree, io_tree, done->start,
- bvec->bv_page,
- btrfs_ino(BTRFS_I(inode)),
- bvec->bv_offset);
- else
- uptodate = 0;
- i++;
- }
-
- done->uptodate = uptodate;
-end:
- complete(&done->done);
- bio_put(bio);
-}
-
-static blk_status_t __btrfs_subio_endio_read(struct inode *inode,
- struct btrfs_io_bio *io_bio, blk_status_t err)
-{
- struct btrfs_fs_info *fs_info;
- struct bio_vec bvec;
- struct bvec_iter iter;
- struct btrfs_retry_complete done;
- u64 start;
- u64 offset = 0;
- u32 sectorsize;
- int nr_sectors;
- unsigned int pgoff;
- int csum_pos;
- bool uptodate = (err == 0);
- int ret;
- blk_status_t status;
-
- fs_info = BTRFS_I(inode)->root->fs_info;
- sectorsize = fs_info->sectorsize;
-
- err = BLK_STS_OK;
- start = io_bio->logical;
- done.inode = inode;
- io_bio->bio.bi_iter = io_bio->iter;
-
- bio_for_each_segment(bvec, &io_bio->bio, iter) {
- nr_sectors = BTRFS_BYTES_TO_BLKS(fs_info, bvec.bv_len);
-
- pgoff = bvec.bv_offset;
-next_block:
- if (uptodate) {
- csum_pos = BTRFS_BYTES_TO_BLKS(fs_info, offset);
- ret = __readpage_endio_check(inode, io_bio, csum_pos,
- bvec.bv_page, pgoff, start, sectorsize);
- if (likely(!ret))
- goto next;
- }
-try_again:
- done.uptodate = 0;
- done.start = start;
- init_completion(&done.done);
-
- status = dio_read_error(inode, &io_bio->bio, bvec.bv_page,
- pgoff, start, start + sectorsize - 1,
- io_bio->mirror_num, btrfs_retry_endio,
- &done);
- if (status) {
- err = status;
- goto next;
- }
-
- wait_for_completion_io(&done.done);
-
- if (!done.uptodate) {
- /* We might have another mirror, so try again */
- goto try_again;
- }
-next:
- offset += sectorsize;
- start += sectorsize;
-
- ASSERT(nr_sectors);
-
- nr_sectors--;
- if (nr_sectors) {
+ if (uptodate &&
+ (!csum || !check_data_csum(inode, io_bio, icsum,
+ bvec.bv_page, pgoff,
+ start, sectorsize))) {
+ clean_io_failure(fs_info, failure_tree, io_tree,
+ start, bvec.bv_page,
+ btrfs_ino(BTRFS_I(inode)),
+ pgoff);
+ } else {
+ blk_status_t status;
+
+ status = btrfs_submit_read_repair(inode,
+ &io_bio->bio,
+ start - io_bio->logical,
+ bvec.bv_page, pgoff,
+ start,
+ start + sectorsize - 1,
+ io_bio->mirror_num,
+ submit_dio_repair_bio);
+ if (status)
+ err = status;
+ }
+ start += sectorsize;
+ icsum++;
pgoff += sectorsize;
- ASSERT(pgoff < PAGE_SIZE);
- goto next_block;
}
}
-
return err;
}
-static blk_status_t btrfs_subio_endio_read(struct inode *inode,
- struct btrfs_io_bio *io_bio, blk_status_t err)
-{
- bool skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM;
-
- if (skip_csum) {
- if (unlikely(err))
- return __btrfs_correct_data_nocsum(inode, io_bio);
- else
- return BLK_STS_OK;
- } else {
- return __btrfs_subio_endio_read(inode, io_bio, err);
- }
-}
-
-static void btrfs_endio_direct_read(struct bio *bio)
-{
- struct btrfs_dio_private *dip = bio->bi_private;
- struct inode *inode = dip->inode;
- struct bio *dio_bio;
- struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
- blk_status_t err = bio->bi_status;
-
- if (dip->flags & BTRFS_DIO_ORIG_BIO_SUBMITTED)
- err = btrfs_subio_endio_read(inode, io_bio, err);
-
- unlock_extent(&BTRFS_I(inode)->io_tree, dip->logical_offset,
- dip->logical_offset + dip->bytes - 1);
- dio_bio = dip->dio_bio;
-
- kfree(dip);
-
- dio_bio->bi_status = err;
- dio_end_io(dio_bio);
- btrfs_io_bio_free_csum(io_bio);
- bio_put(bio);
-}
-
static void __endio_write_update_ordered(struct inode *inode,
const u64 offset, const u64 bytes,
const bool uptodate)
@@ -7759,21 +7588,6 @@ static void __endio_write_update_ordered(struct inode *inode,
}
}
-static void btrfs_endio_direct_write(struct bio *bio)
-{
- struct btrfs_dio_private *dip = bio->bi_private;
- struct bio *dio_bio = dip->dio_bio;
-
- __endio_write_update_ordered(dip->inode, dip->logical_offset,
- dip->bytes, !bio->bi_status);
-
- kfree(dip);
-
- dio_bio->bi_status = bio->bi_status;
- dio_end_io(dio_bio);
- bio_put(bio);
-}
-
static blk_status_t btrfs_submit_bio_start_direct_io(void *private_data,
struct bio *bio, u64 offset)
{
@@ -7797,64 +7611,16 @@ static void btrfs_end_dio_bio(struct bio *bio)
(unsigned long long)bio->bi_iter.bi_sector,
bio->bi_iter.bi_size, err);
- if (dip->subio_endio)
- err = dip->subio_endio(dip->inode, btrfs_io_bio(bio), err);
-
- if (err) {
- /*
- * We want to perceive the errors flag being set before
- * decrementing the reference count. We don't need a barrier
- * since atomic operations with a return value are fully
- * ordered as per atomic_t.txt
- */
- dip->errors = 1;
+ if (bio_op(bio) == REQ_OP_READ) {
+ err = btrfs_check_read_dio_bio(dip->inode, btrfs_io_bio(bio),
+ !err);
}
- /* if there are more bios still pending for this dio, just exit */
- if (!atomic_dec_and_test(&dip->pending_bios))
- goto out;
+ if (err)
+ dip->dio_bio->bi_status = err;
- if (dip->errors) {
- bio_io_error(dip->orig_bio);
- } else {
- dip->dio_bio->bi_status = BLK_STS_OK;
- bio_endio(dip->orig_bio);
- }
-out:
bio_put(bio);
-}
-
-static inline blk_status_t btrfs_lookup_and_bind_dio_csum(struct inode *inode,
- struct btrfs_dio_private *dip,
- struct bio *bio,
- u64 file_offset)
-{
- struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
- struct btrfs_io_bio *orig_io_bio = btrfs_io_bio(dip->orig_bio);
- u16 csum_size;
- blk_status_t ret;
-
- /*
- * We load all the csum data we need when we submit
- * the first bio to reduce the csum tree search and
- * contention.
- */
- if (dip->logical_offset == file_offset) {
- ret = btrfs_lookup_bio_sums(inode, dip->orig_bio, file_offset,
- NULL);
- if (ret)
- return ret;
- }
-
- if (bio == dip->orig_bio)
- return 0;
-
- file_offset -= dip->logical_offset;
- file_offset >>= inode->i_sb->s_blocksize_bits;
- csum_size = btrfs_super_csum_size(btrfs_sb(inode->i_sb)->super_copy);
- io_bio->csum = orig_io_bio->csum + csum_size * file_offset;
-
- return 0;
+ btrfs_dio_private_put(dip);
}
static inline blk_status_t btrfs_submit_dio_bio(struct bio *bio,
@@ -7892,10 +7658,12 @@ static inline blk_status_t btrfs_submit_dio_bio(struct bio *bio,
if (ret)
goto err;
} else {
- ret = btrfs_lookup_and_bind_dio_csum(inode, dip, bio,
- file_offset);
- if (ret)
- goto err;
+ u64 csum_offset;
+
+ csum_offset = file_offset - dip->logical_offset;
+ csum_offset >>= inode->i_sb->s_blocksize_bits;
+ csum_offset *= btrfs_super_csum_size(fs_info->super_copy);
+ btrfs_io_bio(bio)->csum = dip->csums + csum_offset;
}
map:
ret = btrfs_map_bio(fs_info, bio, 0);
@@ -7903,14 +7671,53 @@ err:
return ret;
}
-static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip)
+/*
+ * If this succeeds, the btrfs_dio_private is responsible for cleaning up locked
+ * or ordered extents whether or not we submit any bios.
+ */
+static struct btrfs_dio_private *btrfs_create_dio_private(struct bio *dio_bio,
+ struct inode *inode,
+ loff_t file_offset)
{
- struct inode *inode = dip->inode;
+ const bool write = (bio_op(dio_bio) == REQ_OP_WRITE);
+ const bool csum = !(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM);
+ size_t dip_size;
+ struct btrfs_dio_private *dip;
+
+ dip_size = sizeof(*dip);
+ if (!write && csum) {
+ struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+ const u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
+ size_t nblocks;
+
+ nblocks = dio_bio->bi_iter.bi_size >> inode->i_sb->s_blocksize_bits;
+ dip_size += csum_size * nblocks;
+ }
+
+ dip = kzalloc(dip_size, GFP_NOFS);
+ if (!dip)
+ return NULL;
+
+ dip->inode = inode;
+ dip->logical_offset = file_offset;
+ dip->bytes = dio_bio->bi_iter.bi_size;
+ dip->disk_bytenr = (u64)dio_bio->bi_iter.bi_sector << 9;
+ dip->dio_bio = dio_bio;
+ refcount_set(&dip->refs, 1);
+ return dip;
+}
+
+static blk_qc_t btrfs_submit_direct(struct inode *inode, struct iomap *iomap,
+ struct bio *dio_bio, loff_t file_offset)
+{
+ const bool write = (bio_op(dio_bio) == REQ_OP_WRITE);
+ const bool csum = !(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM);
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
+ const bool raid56 = (btrfs_data_alloc_profile(fs_info) &
+ BTRFS_BLOCK_GROUP_RAID56_MASK);
+ struct btrfs_dio_private *dip;
struct bio *bio;
- struct bio *orig_bio = dip->orig_bio;
- u64 start_sector = orig_bio->bi_iter.bi_sector;
- u64 file_offset = dip->logical_offset;
+ u64 start_sector;
int async_submit = 0;
u64 submit_len;
int clone_offset = 0;
@@ -7918,330 +7725,108 @@ static int btrfs_submit_direct_hook(struct btrfs_dio_private *dip)
int ret;
blk_status_t status;
struct btrfs_io_geometry geom;
+ struct btrfs_dio_data *dio_data = iomap->private;
- submit_len = orig_bio->bi_iter.bi_size;
- ret = btrfs_get_io_geometry(fs_info, btrfs_op(orig_bio),
- start_sector << 9, submit_len, &geom);
- if (ret)
- return -EIO;
+ dip = btrfs_create_dio_private(dio_bio, inode, file_offset);
+ if (!dip) {
+ if (!write) {
+ unlock_extent(&BTRFS_I(inode)->io_tree, file_offset,
+ file_offset + dio_bio->bi_iter.bi_size - 1);
+ }
+ dio_bio->bi_status = BLK_STS_RESOURCE;
+ bio_endio(dio_bio);
+ return BLK_QC_T_NONE;
+ }
- if (geom.len >= submit_len) {
- bio = orig_bio;
- dip->flags |= BTRFS_DIO_ORIG_BIO_SUBMITTED;
- goto submit;
+ if (!write && csum) {
+ /*
+ * Load the csums up front to reduce csum tree searches and
+ * contention when submitting bios.
+ */
+ status = btrfs_lookup_bio_sums(inode, dio_bio, file_offset,
+ dip->csums);
+ if (status != BLK_STS_OK)
+ goto out_err;
}
- /* async crcs make it difficult to collect full stripe writes. */
- if (btrfs_data_alloc_profile(fs_info) & BTRFS_BLOCK_GROUP_RAID56_MASK)
- async_submit = 0;
- else
- async_submit = 1;
+ start_sector = dio_bio->bi_iter.bi_sector;
+ submit_len = dio_bio->bi_iter.bi_size;
- /* bio split */
- ASSERT(geom.len <= INT_MAX);
- atomic_inc(&dip->pending_bios);
do {
+ ret = btrfs_get_io_geometry(fs_info, btrfs_op(dio_bio),
+ start_sector << 9, submit_len,
+ &geom);
+ if (ret) {
+ status = errno_to_blk_status(ret);
+ goto out_err;
+ }
+ ASSERT(geom.len <= INT_MAX);
+
clone_len = min_t(int, submit_len, geom.len);
/*
* This will never fail as it's passing GPF_NOFS and
* the allocation is backed by btrfs_bioset.
*/
- bio = btrfs_bio_clone_partial(orig_bio, clone_offset,
- clone_len);
+ bio = btrfs_bio_clone_partial(dio_bio, clone_offset, clone_len);
bio->bi_private = dip;
bio->bi_end_io = btrfs_end_dio_bio;
btrfs_io_bio(bio)->logical = file_offset;
ASSERT(submit_len >= clone_len);
submit_len -= clone_len;
- if (submit_len == 0)
- break;
/*
* Increase the count before we submit the bio so we know
* the end IO handler won't happen before we increase the
* count. Otherwise, the dip might get freed before we're
* done setting it up.
+ *
+ * We transfer the initial reference to the last bio, so we
+ * don't need to increment the reference count for the last one.
*/
- atomic_inc(&dip->pending_bios);
+ if (submit_len > 0) {
+ refcount_inc(&dip->refs);
+ /*
+ * If we are submitting more than one bio, submit them
+ * all asynchronously. The exception is RAID 5 or 6, as
+ * asynchronous checksums make it difficult to collect
+ * full stripe writes.
+ */
+ if (!raid56)
+ async_submit = 1;
+ }
status = btrfs_submit_dio_bio(bio, inode, file_offset,
async_submit);
if (status) {
bio_put(bio);
- atomic_dec(&dip->pending_bios);
+ if (submit_len > 0)
+ refcount_dec(&dip->refs);
goto out_err;
}
+ dio_data->submitted += clone_len;
clone_offset += clone_len;
start_sector += clone_len >> 9;
file_offset += clone_len;
-
- ret = btrfs_get_io_geometry(fs_info, btrfs_op(orig_bio),
- start_sector << 9, submit_len, &geom);
- if (ret)
- goto out_err;
} while (submit_len > 0);
+ return BLK_QC_T_NONE;
-submit:
- status = btrfs_submit_dio_bio(bio, inode, file_offset, async_submit);
- if (!status)
- return 0;
-
- bio_put(bio);
out_err:
- dip->errors = 1;
- /*
- * Before atomic variable goto zero, we must make sure dip->errors is
- * perceived to be set. This ordering is ensured by the fact that an
- * atomic operations with a return value are fully ordered as per
- * atomic_t.txt
- */
- if (atomic_dec_and_test(&dip->pending_bios))
- bio_io_error(dip->orig_bio);
-
- /* bio_end_io() will handle error, so we needn't return it */
- return 0;
-}
-
-static void btrfs_submit_direct(struct bio *dio_bio, struct inode *inode,
- loff_t file_offset)
-{
- struct btrfs_dio_private *dip = NULL;
- struct bio *bio = NULL;
- struct btrfs_io_bio *io_bio;
- bool write = (bio_op(dio_bio) == REQ_OP_WRITE);
- int ret = 0;
-
- bio = btrfs_bio_clone(dio_bio);
-
- dip = kzalloc(sizeof(*dip), GFP_NOFS);
- if (!dip) {
- ret = -ENOMEM;
- goto free_ordered;
- }
-
- dip->private = dio_bio->bi_private;
- dip->inode = inode;
- dip->logical_offset = file_offset;
- dip->bytes = dio_bio->bi_iter.bi_size;
- dip->disk_bytenr = (u64)dio_bio->bi_iter.bi_sector << 9;
- bio->bi_private = dip;
- dip->orig_bio = bio;
- dip->dio_bio = dio_bio;
- atomic_set(&dip->pending_bios, 0);
- io_bio = btrfs_io_bio(bio);
- io_bio->logical = file_offset;
-
- if (write) {
- bio->bi_end_io = btrfs_endio_direct_write;
- } else {
- bio->bi_end_io = btrfs_endio_direct_read;
- dip->subio_endio = btrfs_subio_endio_read;
- }
-
- /*
- * Reset the range for unsubmitted ordered extents (to a 0 length range)
- * even if we fail to submit a bio, because in such case we do the
- * corresponding error handling below and it must not be done a second
- * time by btrfs_direct_IO().
- */
- if (write) {
- struct btrfs_dio_data *dio_data = current->journal_info;
-
- dio_data->unsubmitted_oe_range_end = dip->logical_offset +
- dip->bytes;
- dio_data->unsubmitted_oe_range_start =
- dio_data->unsubmitted_oe_range_end;
- }
-
- ret = btrfs_submit_direct_hook(dip);
- if (!ret)
- return;
-
- btrfs_io_bio_free_csum(io_bio);
-
-free_ordered:
- /*
- * If we arrived here it means either we failed to submit the dip
- * or we either failed to clone the dio_bio or failed to allocate the
- * dip. If we cloned the dio_bio and allocated the dip, we can just
- * call bio_endio against our io_bio so that we get proper resource
- * cleanup if we fail to submit the dip, otherwise, we must do the
- * same as btrfs_endio_direct_[write|read] because we can't call these
- * callbacks - they require an allocated dip and a clone of dio_bio.
- */
- if (bio && dip) {
- bio_io_error(bio);
- /*
- * The end io callbacks free our dip, do the final put on bio
- * and all the cleanup and final put for dio_bio (through
- * dio_end_io()).
- */
- dip = NULL;
- bio = NULL;
- } else {
- if (write)
- __endio_write_update_ordered(inode,
- file_offset,
- dio_bio->bi_iter.bi_size,
- false);
- else
- unlock_extent(&BTRFS_I(inode)->io_tree, file_offset,
- file_offset + dio_bio->bi_iter.bi_size - 1);
-
- dio_bio->bi_status = BLK_STS_IOERR;
- /*
- * Releases and cleans up our dio_bio, no need to bio_put()
- * nor bio_endio()/bio_io_error() against dio_bio.
- */
- dio_end_io(dio_bio);
- }
- if (bio)
- bio_put(bio);
- kfree(dip);
-}
-
-static ssize_t check_direct_IO(struct btrfs_fs_info *fs_info,
- const struct iov_iter *iter, loff_t offset)
-{
- int seg;
- int i;
- unsigned int blocksize_mask = fs_info->sectorsize - 1;
- ssize_t retval = -EINVAL;
-
- if (offset & blocksize_mask)
- goto out;
-
- if (iov_iter_alignment(iter) & blocksize_mask)
- goto out;
-
- /* If this is a write we don't need to check anymore */
- if (iov_iter_rw(iter) != READ || !iter_is_iovec(iter))
- return 0;
- /*
- * Check to make sure we don't have duplicate iov_base's in this
- * iovec, if so return EINVAL, otherwise we'll get csum errors
- * when reading back.
- */
- for (seg = 0; seg < iter->nr_segs; seg++) {
- for (i = seg + 1; i < iter->nr_segs; i++) {
- if (iter->iov[seg].iov_base == iter->iov[i].iov_base)
- goto out;
- }
- }
- retval = 0;
-out:
- return retval;
+ dip->dio_bio->bi_status = status;
+ btrfs_dio_private_put(dip);
+ return BLK_QC_T_NONE;
}
-static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
-{
- struct file *file = iocb->ki_filp;
- struct inode *inode = file->f_mapping->host;
- struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- struct btrfs_dio_data dio_data = { 0 };
- struct extent_changeset *data_reserved = NULL;
- loff_t offset = iocb->ki_pos;
- size_t count = 0;
- int flags = 0;
- bool wakeup = true;
- bool relock = false;
- ssize_t ret;
-
- if (check_direct_IO(fs_info, iter, offset))
- return 0;
-
- inode_dio_begin(inode);
-
- /*
- * The generic stuff only does filemap_write_and_wait_range, which
- * isn't enough if we've written compressed pages to this area, so
- * we need to flush the dirty pages again to make absolutely sure
- * that any outstanding dirty pages are on disk.
- */
- count = iov_iter_count(iter);
- if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
- &BTRFS_I(inode)->runtime_flags))
- filemap_fdatawrite_range(inode->i_mapping, offset,
- offset + count - 1);
-
- if (iov_iter_rw(iter) == WRITE) {
- /*
- * If the write DIO is beyond the EOF, we need update
- * the isize, but it is protected by i_mutex. So we can
- * not unlock the i_mutex at this case.
- */
- if (offset + count <= inode->i_size) {
- dio_data.overwrite = 1;
- inode_unlock(inode);
- relock = true;
- } else if (iocb->ki_flags & IOCB_NOWAIT) {
- ret = -EAGAIN;
- goto out;
- }
- ret = btrfs_delalloc_reserve_space(inode, &data_reserved,
- offset, count);
- if (ret)
- goto out;
-
- /*
- * We need to know how many extents we reserved so that we can
- * do the accounting properly if we go over the number we
- * originally calculated. Abuse current->journal_info for this.
- */
- dio_data.reserve = round_up(count,
- fs_info->sectorsize);
- dio_data.unsubmitted_oe_range_start = (u64)offset;
- dio_data.unsubmitted_oe_range_end = (u64)offset;
- current->journal_info = &dio_data;
- down_read(&BTRFS_I(inode)->dio_sem);
- } else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK,
- &BTRFS_I(inode)->runtime_flags)) {
- inode_dio_end(inode);
- flags = DIO_LOCKING | DIO_SKIP_HOLES;
- wakeup = false;
- }
-
- ret = __blockdev_direct_IO(iocb, inode,
- fs_info->fs_devices->latest_bdev,
- iter, btrfs_get_blocks_direct, NULL,
- btrfs_submit_direct, flags);
- if (iov_iter_rw(iter) == WRITE) {
- up_read(&BTRFS_I(inode)->dio_sem);
- current->journal_info = NULL;
- if (ret < 0 && ret != -EIOCBQUEUED) {
- if (dio_data.reserve)
- btrfs_delalloc_release_space(inode, data_reserved,
- offset, dio_data.reserve, true);
- /*
- * On error we might have left some ordered extents
- * without submitting corresponding bios for them, so
- * cleanup them up to avoid other tasks getting them
- * and waiting for them to complete forever.
- */
- if (dio_data.unsubmitted_oe_range_start <
- dio_data.unsubmitted_oe_range_end)
- __endio_write_update_ordered(inode,
- dio_data.unsubmitted_oe_range_start,
- dio_data.unsubmitted_oe_range_end -
- dio_data.unsubmitted_oe_range_start,
- false);
- } else if (ret >= 0 && (size_t)ret < count)
- btrfs_delalloc_release_space(inode, data_reserved,
- offset, count - (size_t)ret, true);
- btrfs_delalloc_release_extents(BTRFS_I(inode), count);
- }
-out:
- if (wakeup)
- inode_dio_end(inode);
- if (relock)
- inode_lock(inode);
+const struct iomap_ops btrfs_dio_iomap_ops = {
+ .iomap_begin = btrfs_dio_iomap_begin,
+ .iomap_end = btrfs_dio_iomap_end,
+};
- extent_changeset_free(data_reserved);
- return ret;
-}
+const struct iomap_dio_ops btrfs_dops = {
+ .submit_io = btrfs_submit_direct,
+};
#define BTRFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC)
@@ -8293,21 +7878,16 @@ static int btrfs_writepages(struct address_space *mapping,
return extent_writepages(mapping, wbc);
}
-static int
-btrfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void btrfs_readahead(struct readahead_control *rac)
{
- return extent_readpages(mapping, pages, nr_pages);
+ extent_readahead(rac);
}
static int __btrfs_releasepage(struct page *page, gfp_t gfp_flags)
{
int ret = try_release_extent_mapping(page, gfp_flags);
- if (ret == 1) {
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
- }
+ if (ret == 1)
+ detach_page_private(page);
return ret;
}
@@ -8329,14 +7909,8 @@ static int btrfs_migratepage(struct address_space *mapping,
if (ret != MIGRATEPAGE_SUCCESS)
return ret;
- if (page_has_private(page)) {
- ClearPagePrivate(page);
- get_page(newpage);
- set_page_private(newpage, page_private(page));
- set_page_private(page, 0);
- put_page(page);
- SetPagePrivate(newpage);
- }
+ if (page_has_private(page))
+ attach_page_private(newpage, detach_page_private(page));
if (PagePrivate2(page)) {
ClearPagePrivate2(page);
@@ -8458,11 +8032,7 @@ again:
}
ClearPageChecked(page);
- if (PagePrivate(page)) {
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
- }
+ detach_page_private(page);
}
/*
@@ -10553,8 +10123,8 @@ static const struct address_space_operations btrfs_aops = {
.readpage = btrfs_readpage,
.writepage = btrfs_writepage,
.writepages = btrfs_writepages,
- .readpages = btrfs_readpages,
- .direct_IO = btrfs_direct_IO,
+ .readahead = btrfs_readahead,
+ .direct_IO = noop_direct_IO,
.invalidatepage = btrfs_invalidatepage,
.releasepage = btrfs_releasepage,
#ifdef CONFIG_MIGRATION
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 40b729dce91c..168deb8ef68a 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -660,7 +660,7 @@ static noinline int create_subvol(struct inode *dir,
goto fail;
key.offset = (u64)-1;
- new_root = btrfs_get_fs_root(fs_info, &key, true);
+ new_root = btrfs_get_fs_root(fs_info, objectid, true);
if (IS_ERR(new_root)) {
ret = PTR_ERR(new_root);
btrfs_abort_transaction(trans, ret);
@@ -748,9 +748,8 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
struct btrfs_pending_snapshot *pending_snapshot;
struct btrfs_trans_handle *trans;
int ret;
- bool snapshot_force_cow = false;
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
return -EINVAL;
if (atomic_read(&root->nr_swapfiles)) {
@@ -771,27 +770,6 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
goto free_pending;
}
- /*
- * Force new buffered writes to reserve space even when NOCOW is
- * possible. This is to avoid later writeback (running dealloc) to
- * fallback to COW mode and unexpectedly fail with ENOSPC.
- */
- btrfs_drew_read_lock(&root->snapshot_lock);
-
- ret = btrfs_start_delalloc_snapshot(root);
- if (ret)
- goto dec_and_free;
-
- /*
- * All previous writes have started writeback in NOCOW mode, so now
- * we force future writes to fallback to COW mode during snapshot
- * creation.
- */
- atomic_inc(&root->snapshot_force_cow);
- snapshot_force_cow = true;
-
- btrfs_wait_ordered_extents(root, U64_MAX, 0, (u64)-1);
-
btrfs_init_block_rsv(&pending_snapshot->block_rsv,
BTRFS_BLOCK_RSV_TEMP);
/*
@@ -806,7 +784,7 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
&pending_snapshot->block_rsv, 8,
false);
if (ret)
- goto dec_and_free;
+ goto free_pending;
pending_snapshot->dentry = dentry;
pending_snapshot->root = root;
@@ -848,11 +826,6 @@ static int create_snapshot(struct btrfs_root *root, struct inode *dir,
fail:
btrfs_put_root(pending_snapshot->snap);
btrfs_subvolume_release_metadata(fs_info, &pending_snapshot->block_rsv);
-dec_and_free:
- if (snapshot_force_cow)
- atomic_dec(&root->snapshot_force_cow);
- btrfs_drew_read_unlock(&root->snapshot_lock);
-
free_pending:
kfree(pending_snapshot->root_item);
btrfs_free_path(pending_snapshot->path);
@@ -983,6 +956,45 @@ out_unlock:
return error;
}
+static noinline int btrfs_mksnapshot(const struct path *parent,
+ const char *name, int namelen,
+ struct btrfs_root *root,
+ bool readonly,
+ struct btrfs_qgroup_inherit *inherit)
+{
+ int ret;
+ bool snapshot_force_cow = false;
+
+ /*
+ * Force new buffered writes to reserve space even when NOCOW is
+ * possible. This is to avoid later writeback (running dealloc) to
+ * fallback to COW mode and unexpectedly fail with ENOSPC.
+ */
+ btrfs_drew_read_lock(&root->snapshot_lock);
+
+ ret = btrfs_start_delalloc_snapshot(root);
+ if (ret)
+ goto out;
+
+ /*
+ * All previous writes have started writeback in NOCOW mode, so now
+ * we force future writes to fallback to COW mode during snapshot
+ * creation.
+ */
+ atomic_inc(&root->snapshot_force_cow);
+ snapshot_force_cow = true;
+
+ btrfs_wait_ordered_extents(root, U64_MAX, 0, (u64)-1);
+
+ ret = btrfs_mksubvol(parent, name, namelen,
+ root, readonly, inherit);
+out:
+ if (snapshot_force_cow)
+ atomic_dec(&root->snapshot_force_cow);
+ btrfs_drew_read_unlock(&root->snapshot_lock);
+ return ret;
+}
+
/*
* When we're defragging a range, we don't want to kick it off again
* if it is really just waiting for delalloc to send it down.
@@ -1762,7 +1774,7 @@ static noinline int __btrfs_ioctl_snap_create(struct file *file,
*/
ret = -EPERM;
} else {
- ret = btrfs_mksubvol(&file->f_path, name, namelen,
+ ret = btrfs_mksnapshot(&file->f_path, name, namelen,
BTRFS_I(src_inode)->root,
readonly, inherit);
}
@@ -2127,10 +2139,7 @@ static noinline int search_ioctl(struct inode *inode,
/* search the root of the inode that was passed */
root = btrfs_grab_root(BTRFS_I(inode)->root);
} else {
- key.objectid = sk->tree_id;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- root = btrfs_get_fs_root(info, &key, true);
+ root = btrfs_get_fs_root(info, sk->tree_id, true);
if (IS_ERR(root)) {
btrfs_free_path(path);
return PTR_ERR(root);
@@ -2263,10 +2272,7 @@ static noinline int btrfs_search_path_in_tree(struct btrfs_fs_info *info,
ptr = &name[BTRFS_INO_LOOKUP_PATH_MAX - 1];
- key.objectid = tree_id;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- root = btrfs_get_fs_root(info, &key, true);
+ root = btrfs_get_fs_root(info, tree_id, true);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
root = NULL;
@@ -2359,10 +2365,7 @@ static int btrfs_search_path_in_tree_user(struct inode *inode,
if (dirid != upper_limit.objectid) {
ptr = &args->path[BTRFS_INO_LOOKUP_USER_PATH_MAX - 1];
- key.objectid = treeid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- root = btrfs_get_fs_root(fs_info, &key, true);
+ root = btrfs_get_fs_root(fs_info, treeid, true);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
goto out;
@@ -2421,7 +2424,7 @@ static int btrfs_search_path_in_tree_user(struct inode *inode,
goto out_put;
}
- temp_inode = btrfs_iget(sb, &key2, root);
+ temp_inode = btrfs_iget(sb, key2.objectid, root);
if (IS_ERR(temp_inode)) {
ret = PTR_ERR(temp_inode);
goto out_put;
@@ -2608,9 +2611,7 @@ static int btrfs_ioctl_get_subvol_info(struct file *file, void __user *argp)
/* Get root_item of inode's subvolume */
key.objectid = BTRFS_I(inode)->root->root_key.objectid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- root = btrfs_get_fs_root(fs_info, &key, true);
+ root = btrfs_get_fs_root(fs_info, key.objectid, true);
if (IS_ERR(root)) {
ret = PTR_ERR(root);
goto out_free;
@@ -3278,7 +3279,6 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
struct btrfs_dir_item *di;
struct btrfs_trans_handle *trans;
struct btrfs_path *path = NULL;
- struct btrfs_key location;
struct btrfs_disk_key disk_key;
u64 objectid = 0;
u64 dir_id;
@@ -3299,11 +3299,7 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
if (!objectid)
objectid = BTRFS_FS_TREE_OBJECTID;
- location.objectid = objectid;
- location.type = BTRFS_ROOT_ITEM_KEY;
- location.offset = (u64)-1;
-
- new_root = btrfs_get_fs_root(fs_info, &location, true);
+ new_root = btrfs_get_fs_root(fs_info, objectid, true);
if (IS_ERR(new_root)) {
ret = PTR_ERR(new_root);
goto out;
diff --git a/fs/btrfs/locking.c b/fs/btrfs/locking.c
index fb647d8cf527..f75612e18a82 100644
--- a/fs/btrfs/locking.c
+++ b/fs/btrfs/locking.c
@@ -410,6 +410,7 @@ void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb)
* The rwlock is held for write upon exit.
*/
void btrfs_tree_lock(struct extent_buffer *eb)
+ __acquires(&eb->lock)
{
u64 start_ns = 0;
diff --git a/fs/btrfs/misc.h b/fs/btrfs/misc.h
index 72bab64ecf60..6461ebc3a1c1 100644
--- a/fs/btrfs/misc.h
+++ b/fs/btrfs/misc.h
@@ -6,6 +6,7 @@
#include <linux/sched.h>
#include <linux/wait.h>
#include <asm/div64.h>
+#include <linux/rbtree.h>
#define in_range(b, first, len) ((b) >= (first) && (b) < (first) + (len))
@@ -58,4 +59,57 @@ static inline bool has_single_bit_set(u64 n)
return is_power_of_two_u64(n);
}
+/*
+ * Simple bytenr based rb_tree relate structures
+ *
+ * Any structure wants to use bytenr as single search index should have their
+ * structure start with these members.
+ */
+struct rb_simple_node {
+ struct rb_node rb_node;
+ u64 bytenr;
+};
+
+static inline struct rb_node *rb_simple_search(struct rb_root *root, u64 bytenr)
+{
+ struct rb_node *node = root->rb_node;
+ struct rb_simple_node *entry;
+
+ while (node) {
+ entry = rb_entry(node, struct rb_simple_node, rb_node);
+
+ if (bytenr < entry->bytenr)
+ node = node->rb_left;
+ else if (bytenr > entry->bytenr)
+ node = node->rb_right;
+ else
+ return node;
+ }
+ return NULL;
+}
+
+static inline struct rb_node *rb_simple_insert(struct rb_root *root, u64 bytenr,
+ struct rb_node *node)
+{
+ struct rb_node **p = &root->rb_node;
+ struct rb_node *parent = NULL;
+ struct rb_simple_node *entry;
+
+ while (*p) {
+ parent = *p;
+ entry = rb_entry(parent, struct rb_simple_node, rb_node);
+
+ if (bytenr < entry->bytenr)
+ p = &(*p)->rb_left;
+ else if (bytenr > entry->bytenr)
+ p = &(*p)->rb_right;
+ else
+ return parent;
+ }
+
+ rb_link_node(node, parent, p);
+ rb_insert_color(node, root);
+ return NULL;
+}
+
#endif
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index ff1ff90e48b1..2dcb1cb21634 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -408,19 +408,14 @@ int btrfs_subvol_inherit_props(struct btrfs_trans_handle *trans,
struct btrfs_root *parent_root)
{
struct super_block *sb = root->fs_info->sb;
- struct btrfs_key key;
struct inode *parent_inode, *child_inode;
int ret;
- key.objectid = BTRFS_FIRST_FREE_OBJECTID;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
-
- parent_inode = btrfs_iget(sb, &key, parent_root);
+ parent_inode = btrfs_iget(sb, BTRFS_FIRST_FREE_OBJECTID, parent_root);
if (IS_ERR(parent_inode))
return PTR_ERR(parent_inode);
- child_inode = btrfs_iget(sb, &key, root);
+ child_inode = btrfs_iget(sb, BTRFS_FIRST_FREE_OBJECTID, root);
if (IS_ERR(child_inode)) {
iput(parent_inode);
return PTR_ERR(child_inode);
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index c3888fb367e7..5bd4089ad0e1 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -2622,6 +2622,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 srcid,
struct btrfs_root *quota_root;
struct btrfs_qgroup *srcgroup;
struct btrfs_qgroup *dstgroup;
+ bool need_rescan = false;
u32 level_size = 0;
u64 nums;
@@ -2765,6 +2766,13 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 srcid,
goto unlock;
}
++i_qgroups;
+
+ /*
+ * If we're doing a snapshot, and adding the snapshot to a new
+ * qgroup, the numbers are guaranteed to be incorrect.
+ */
+ if (srcid)
+ need_rescan = true;
}
for (i = 0; i < inherit->num_ref_copies; ++i, i_qgroups += 2) {
@@ -2784,6 +2792,9 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 srcid,
dst->rfer = src->rfer - level_size;
dst->rfer_cmpr = src->rfer_cmpr - level_size;
+
+ /* Manually tweaking numbers certainly needs a rescan */
+ need_rescan = true;
}
for (i = 0; i < inherit->num_excl_copies; ++i, i_qgroups += 2) {
struct btrfs_qgroup *src;
@@ -2802,6 +2813,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 srcid,
dst->excl = src->excl + level_size;
dst->excl_cmpr = src->excl_cmpr + level_size;
+ need_rescan = true;
}
unlock:
@@ -2809,6 +2821,8 @@ unlock:
out:
if (!committing)
mutex_unlock(&fs_info->qgroup_ioctl_lock);
+ if (need_rescan)
+ fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT;
return ret;
}
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index d35936c934ab..3bbae80c752f 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -24,6 +24,7 @@
#include "delalloc-space.h"
#include "block-group.h"
#include "backref.h"
+#include "misc.h"
/*
* Relocation overview
@@ -72,100 +73,15 @@
* The entry point of relocation is relocate_block_group() function.
*/
-/*
- * backref_node, mapping_node and tree_block start with this
- */
-struct tree_entry {
- struct rb_node rb_node;
- u64 bytenr;
-};
-
-/*
- * present a tree block in the backref cache
- */
-struct backref_node {
- struct rb_node rb_node;
- u64 bytenr;
-
- u64 new_bytenr;
- /* objectid of tree block owner, can be not uptodate */
- u64 owner;
- /* link to pending, changed or detached list */
- struct list_head list;
- /* list of upper level blocks reference this block */
- struct list_head upper;
- /* list of child blocks in the cache */
- struct list_head lower;
- /* NULL if this node is not tree root */
- struct btrfs_root *root;
- /* extent buffer got by COW the block */
- struct extent_buffer *eb;
- /* level of tree block */
- unsigned int level:8;
- /* is the block in non-reference counted tree */
- unsigned int cowonly:1;
- /* 1 if no child node in the cache */
- unsigned int lowest:1;
- /* is the extent buffer locked */
- unsigned int locked:1;
- /* has the block been processed */
- unsigned int processed:1;
- /* have backrefs of this block been checked */
- unsigned int checked:1;
- /*
- * 1 if corresponding block has been cowed but some upper
- * level block pointers may not point to the new location
- */
- unsigned int pending:1;
- /*
- * 1 if the backref node isn't connected to any other
- * backref node.
- */
- unsigned int detached:1;
-};
-
-/*
- * present a block pointer in the backref cache
- */
-struct backref_edge {
- struct list_head list[2];
- struct backref_node *node[2];
-};
-
-#define LOWER 0
-#define UPPER 1
#define RELOCATION_RESERVED_NODES 256
-
-struct backref_cache {
- /* red black tree of all backref nodes in the cache */
- struct rb_root rb_root;
- /* for passing backref nodes to btrfs_reloc_cow_block */
- struct backref_node *path[BTRFS_MAX_LEVEL];
- /*
- * list of blocks that have been cowed but some block
- * pointers in upper level blocks may not reflect the
- * new location
- */
- struct list_head pending[BTRFS_MAX_LEVEL];
- /* list of backref nodes with no child node */
- struct list_head leaves;
- /* list of blocks that have been cowed in current transaction */
- struct list_head changed;
- /* list of detached backref node. */
- struct list_head detached;
-
- u64 last_trans;
-
- int nr_nodes;
- int nr_edges;
-};
-
/*
* map address of tree root to tree
*/
struct mapping_node {
- struct rb_node rb_node;
- u64 bytenr;
+ struct {
+ struct rb_node rb_node;
+ u64 bytenr;
+ }; /* Use rb_simle_node for search/insert */
void *data;
};
@@ -178,8 +94,10 @@ struct mapping_tree {
* present a tree block to process
*/
struct tree_block {
- struct rb_node rb_node;
- u64 bytenr;
+ struct {
+ struct rb_node rb_node;
+ u64 bytenr;
+ }; /* Use rb_simple_node for search/insert */
struct btrfs_key key;
unsigned int level:8;
unsigned int key_ready:1;
@@ -204,7 +122,7 @@ struct reloc_control {
struct btrfs_block_rsv *block_rsv;
- struct backref_cache backref_cache;
+ struct btrfs_backref_cache backref_cache;
struct file_extent_cluster cluster;
/* tree blocks have been processed */
@@ -235,168 +153,41 @@ struct reloc_control {
#define MOVE_DATA_EXTENTS 0
#define UPDATE_DATA_PTRS 1
-static void remove_backref_node(struct backref_cache *cache,
- struct backref_node *node);
-static void __mark_block_processed(struct reloc_control *rc,
- struct backref_node *node);
-
-static void mapping_tree_init(struct mapping_tree *tree)
-{
- tree->rb_root = RB_ROOT;
- spin_lock_init(&tree->lock);
-}
-
-static void backref_cache_init(struct backref_cache *cache)
-{
- int i;
- cache->rb_root = RB_ROOT;
- for (i = 0; i < BTRFS_MAX_LEVEL; i++)
- INIT_LIST_HEAD(&cache->pending[i]);
- INIT_LIST_HEAD(&cache->changed);
- INIT_LIST_HEAD(&cache->detached);
- INIT_LIST_HEAD(&cache->leaves);
-}
-
-static void backref_cache_cleanup(struct backref_cache *cache)
-{
- struct backref_node *node;
- int i;
-
- while (!list_empty(&cache->detached)) {
- node = list_entry(cache->detached.next,
- struct backref_node, list);
- remove_backref_node(cache, node);
- }
-
- while (!list_empty(&cache->leaves)) {
- node = list_entry(cache->leaves.next,
- struct backref_node, lower);
- remove_backref_node(cache, node);
- }
-
- cache->last_trans = 0;
-
- for (i = 0; i < BTRFS_MAX_LEVEL; i++)
- ASSERT(list_empty(&cache->pending[i]));
- ASSERT(list_empty(&cache->changed));
- ASSERT(list_empty(&cache->detached));
- ASSERT(RB_EMPTY_ROOT(&cache->rb_root));
- ASSERT(!cache->nr_nodes);
- ASSERT(!cache->nr_edges);
-}
-
-static struct backref_node *alloc_backref_node(struct backref_cache *cache)
-{
- struct backref_node *node;
-
- node = kzalloc(sizeof(*node), GFP_NOFS);
- if (node) {
- INIT_LIST_HEAD(&node->list);
- INIT_LIST_HEAD(&node->upper);
- INIT_LIST_HEAD(&node->lower);
- RB_CLEAR_NODE(&node->rb_node);
- cache->nr_nodes++;
- }
- return node;
-}
-
-static void free_backref_node(struct backref_cache *cache,
- struct backref_node *node)
-{
- if (node) {
- cache->nr_nodes--;
- btrfs_put_root(node->root);
- kfree(node);
- }
-}
-
-static struct backref_edge *alloc_backref_edge(struct backref_cache *cache)
-{
- struct backref_edge *edge;
-
- edge = kzalloc(sizeof(*edge), GFP_NOFS);
- if (edge)
- cache->nr_edges++;
- return edge;
-}
-
-static void free_backref_edge(struct backref_cache *cache,
- struct backref_edge *edge)
+static void mark_block_processed(struct reloc_control *rc,
+ struct btrfs_backref_node *node)
{
- if (edge) {
- cache->nr_edges--;
- kfree(edge);
- }
-}
+ u32 blocksize;
-static struct rb_node *tree_insert(struct rb_root *root, u64 bytenr,
- struct rb_node *node)
-{
- struct rb_node **p = &root->rb_node;
- struct rb_node *parent = NULL;
- struct tree_entry *entry;
-
- while (*p) {
- parent = *p;
- entry = rb_entry(parent, struct tree_entry, rb_node);
-
- if (bytenr < entry->bytenr)
- p = &(*p)->rb_left;
- else if (bytenr > entry->bytenr)
- p = &(*p)->rb_right;
- else
- return parent;
+ if (node->level == 0 ||
+ in_range(node->bytenr, rc->block_group->start,
+ rc->block_group->length)) {
+ blocksize = rc->extent_root->fs_info->nodesize;
+ set_extent_bits(&rc->processed_blocks, node->bytenr,
+ node->bytenr + blocksize - 1, EXTENT_DIRTY);
}
-
- rb_link_node(node, parent, p);
- rb_insert_color(node, root);
- return NULL;
+ node->processed = 1;
}
-static struct rb_node *tree_search(struct rb_root *root, u64 bytenr)
-{
- struct rb_node *n = root->rb_node;
- struct tree_entry *entry;
-
- while (n) {
- entry = rb_entry(n, struct tree_entry, rb_node);
- if (bytenr < entry->bytenr)
- n = n->rb_left;
- else if (bytenr > entry->bytenr)
- n = n->rb_right;
- else
- return n;
- }
- return NULL;
-}
-
-static void backref_tree_panic(struct rb_node *rb_node, int errno, u64 bytenr)
+static void mapping_tree_init(struct mapping_tree *tree)
{
-
- struct btrfs_fs_info *fs_info = NULL;
- struct backref_node *bnode = rb_entry(rb_node, struct backref_node,
- rb_node);
- if (bnode->root)
- fs_info = bnode->root->fs_info;
- btrfs_panic(fs_info, errno,
- "Inconsistency in backref cache found at offset %llu",
- bytenr);
+ tree->rb_root = RB_ROOT;
+ spin_lock_init(&tree->lock);
}
/*
* walk up backref nodes until reach node presents tree root
*/
-static struct backref_node *walk_up_backref(struct backref_node *node,
- struct backref_edge *edges[],
- int *index)
+static struct btrfs_backref_node *walk_up_backref(
+ struct btrfs_backref_node *node,
+ struct btrfs_backref_edge *edges[], int *index)
{
- struct backref_edge *edge;
+ struct btrfs_backref_edge *edge;
int idx = *index;
while (!list_empty(&node->upper)) {
edge = list_entry(node->upper.next,
- struct backref_edge, list[LOWER]);
+ struct btrfs_backref_edge, list[LOWER]);
edges[idx++] = edge;
node = edge->node[UPPER];
}
@@ -408,11 +199,11 @@ static struct backref_node *walk_up_backref(struct backref_node *node,
/*
* walk down backref nodes to find start of next reference path
*/
-static struct backref_node *walk_down_backref(struct backref_edge *edges[],
- int *index)
+static struct btrfs_backref_node *walk_down_backref(
+ struct btrfs_backref_edge *edges[], int *index)
{
- struct backref_edge *edge;
- struct backref_node *lower;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_node *lower;
int idx = *index;
while (idx > 0) {
@@ -423,7 +214,7 @@ static struct backref_node *walk_down_backref(struct backref_edge *edges[],
continue;
}
edge = list_entry(edge->list[LOWER].next,
- struct backref_edge, list[LOWER]);
+ struct btrfs_backref_edge, list[LOWER]);
edges[idx - 1] = edge;
*index = idx;
return edge->node[UPPER];
@@ -432,95 +223,24 @@ static struct backref_node *walk_down_backref(struct backref_edge *edges[],
return NULL;
}
-static void unlock_node_buffer(struct backref_node *node)
-{
- if (node->locked) {
- btrfs_tree_unlock(node->eb);
- node->locked = 0;
- }
-}
-
-static void drop_node_buffer(struct backref_node *node)
-{
- if (node->eb) {
- unlock_node_buffer(node);
- free_extent_buffer(node->eb);
- node->eb = NULL;
- }
-}
-
-static void drop_backref_node(struct backref_cache *tree,
- struct backref_node *node)
-{
- BUG_ON(!list_empty(&node->upper));
-
- drop_node_buffer(node);
- list_del(&node->list);
- list_del(&node->lower);
- if (!RB_EMPTY_NODE(&node->rb_node))
- rb_erase(&node->rb_node, &tree->rb_root);
- free_backref_node(tree, node);
-}
-
-/*
- * remove a backref node from the backref cache
- */
-static void remove_backref_node(struct backref_cache *cache,
- struct backref_node *node)
-{
- struct backref_node *upper;
- struct backref_edge *edge;
-
- if (!node)
- return;
-
- BUG_ON(!node->lowest && !node->detached);
- while (!list_empty(&node->upper)) {
- edge = list_entry(node->upper.next, struct backref_edge,
- list[LOWER]);
- upper = edge->node[UPPER];
- list_del(&edge->list[LOWER]);
- list_del(&edge->list[UPPER]);
- free_backref_edge(cache, edge);
-
- if (RB_EMPTY_NODE(&upper->rb_node)) {
- BUG_ON(!list_empty(&node->upper));
- drop_backref_node(cache, node);
- node = upper;
- node->lowest = 1;
- continue;
- }
- /*
- * add the node to leaf node list if no other
- * child block cached.
- */
- if (list_empty(&upper->lower)) {
- list_add_tail(&upper->lower, &cache->leaves);
- upper->lowest = 1;
- }
- }
-
- drop_backref_node(cache, node);
-}
-
-static void update_backref_node(struct backref_cache *cache,
- struct backref_node *node, u64 bytenr)
+static void update_backref_node(struct btrfs_backref_cache *cache,
+ struct btrfs_backref_node *node, u64 bytenr)
{
struct rb_node *rb_node;
rb_erase(&node->rb_node, &cache->rb_root);
node->bytenr = bytenr;
- rb_node = tree_insert(&cache->rb_root, node->bytenr, &node->rb_node);
+ rb_node = rb_simple_insert(&cache->rb_root, node->bytenr, &node->rb_node);
if (rb_node)
- backref_tree_panic(rb_node, -EEXIST, bytenr);
+ btrfs_backref_panic(cache->fs_info, bytenr, -EEXIST);
}
/*
* update backref cache after a transaction commit
*/
static int update_backref_cache(struct btrfs_trans_handle *trans,
- struct backref_cache *cache)
+ struct btrfs_backref_cache *cache)
{
- struct backref_node *node;
+ struct btrfs_backref_node *node;
int level = 0;
if (cache->last_trans == 0) {
@@ -538,13 +258,13 @@ static int update_backref_cache(struct btrfs_trans_handle *trans,
*/
while (!list_empty(&cache->detached)) {
node = list_entry(cache->detached.next,
- struct backref_node, list);
- remove_backref_node(cache, node);
+ struct btrfs_backref_node, list);
+ btrfs_backref_cleanup_node(cache, node);
}
while (!list_empty(&cache->changed)) {
node = list_entry(cache->changed.next,
- struct backref_node, list);
+ struct btrfs_backref_node, list);
list_del_init(&node->list);
BUG_ON(node->pending);
update_backref_node(cache, node, node->new_bytenr);
@@ -585,7 +305,8 @@ static bool reloc_root_is_dead(struct btrfs_root *root)
*
* Reloc tree after swap is considered dead, thus not considered as valid.
* This is enough for most callers, as they don't distinguish dead reloc root
- * from no reloc root. But should_ignore_root() below is a special case.
+ * from no reloc root. But btrfs_should_ignore_reloc_root() below is a
+ * special case.
*/
static bool have_reloc_root(struct btrfs_root *root)
{
@@ -596,11 +317,11 @@ static bool have_reloc_root(struct btrfs_root *root)
return true;
}
-static int should_ignore_root(struct btrfs_root *root)
+int btrfs_should_ignore_reloc_root(struct btrfs_root *root)
{
struct btrfs_root *reloc_root;
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
return 0;
/* This root has been merged with its reloc tree, we can ignore it */
@@ -622,18 +343,20 @@ static int should_ignore_root(struct btrfs_root *root)
*/
return 1;
}
+
/*
* find reloc tree by address of tree root
*/
-static struct btrfs_root *find_reloc_root(struct reloc_control *rc,
- u64 bytenr)
+struct btrfs_root *find_reloc_root(struct btrfs_fs_info *fs_info, u64 bytenr)
{
+ struct reloc_control *rc = fs_info->reloc_ctl;
struct rb_node *rb_node;
struct mapping_node *node;
struct btrfs_root *root = NULL;
+ ASSERT(rc);
spin_lock(&rc->reloc_root_tree.lock);
- rb_node = tree_search(&rc->reloc_root_tree.rb_root, bytenr);
+ rb_node = rb_simple_search(&rc->reloc_root_tree.rb_root, bytenr);
if (rb_node) {
node = rb_entry(rb_node, struct mapping_node, rb_node);
root = (struct btrfs_root *)node->data;
@@ -642,594 +365,165 @@ static struct btrfs_root *find_reloc_root(struct reloc_control *rc,
return btrfs_grab_root(root);
}
-static struct btrfs_root *read_fs_root(struct btrfs_fs_info *fs_info,
- u64 root_objectid)
+/*
+ * For useless nodes, do two major clean ups:
+ *
+ * - Cleanup the children edges and nodes
+ * If child node is also orphan (no parent) during cleanup, then the child
+ * node will also be cleaned up.
+ *
+ * - Freeing up leaves (level 0), keeps nodes detached
+ * For nodes, the node is still cached as "detached"
+ *
+ * Return false if @node is not in the @useless_nodes list.
+ * Return true if @node is in the @useless_nodes list.
+ */
+static bool handle_useless_nodes(struct reloc_control *rc,
+ struct btrfs_backref_node *node)
{
- struct btrfs_key key;
+ struct btrfs_backref_cache *cache = &rc->backref_cache;
+ struct list_head *useless_node = &cache->useless_node;
+ bool ret = false;
- key.objectid = root_objectid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
+ while (!list_empty(useless_node)) {
+ struct btrfs_backref_node *cur;
- return btrfs_get_fs_root(fs_info, &key, false);
-}
+ cur = list_first_entry(useless_node, struct btrfs_backref_node,
+ list);
+ list_del_init(&cur->list);
-static noinline_for_stack
-int find_inline_backref(struct extent_buffer *leaf, int slot,
- unsigned long *ptr, unsigned long *end)
-{
- struct btrfs_key key;
- struct btrfs_extent_item *ei;
- struct btrfs_tree_block_info *bi;
- u32 item_size;
+ /* Only tree root nodes can be added to @useless_nodes */
+ ASSERT(list_empty(&cur->upper));
- btrfs_item_key_to_cpu(leaf, &key, slot);
+ if (cur == node)
+ ret = true;
- item_size = btrfs_item_size_nr(leaf, slot);
- if (item_size < sizeof(*ei)) {
- btrfs_print_v0_err(leaf->fs_info);
- btrfs_handle_fs_error(leaf->fs_info, -EINVAL, NULL);
- return 1;
- }
- ei = btrfs_item_ptr(leaf, slot, struct btrfs_extent_item);
- WARN_ON(!(btrfs_extent_flags(leaf, ei) &
- BTRFS_EXTENT_FLAG_TREE_BLOCK));
+ /* The node is the lowest node */
+ if (cur->lowest) {
+ list_del_init(&cur->lower);
+ cur->lowest = 0;
+ }
- if (key.type == BTRFS_EXTENT_ITEM_KEY &&
- item_size <= sizeof(*ei) + sizeof(*bi)) {
- WARN_ON(item_size < sizeof(*ei) + sizeof(*bi));
- return 1;
- }
- if (key.type == BTRFS_METADATA_ITEM_KEY &&
- item_size <= sizeof(*ei)) {
- WARN_ON(item_size < sizeof(*ei));
- return 1;
- }
+ /* Cleanup the lower edges */
+ while (!list_empty(&cur->lower)) {
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_node *lower;
- if (key.type == BTRFS_EXTENT_ITEM_KEY) {
- bi = (struct btrfs_tree_block_info *)(ei + 1);
- *ptr = (unsigned long)(bi + 1);
- } else {
- *ptr = (unsigned long)(ei + 1);
+ edge = list_entry(cur->lower.next,
+ struct btrfs_backref_edge, list[UPPER]);
+ list_del(&edge->list[UPPER]);
+ list_del(&edge->list[LOWER]);
+ lower = edge->node[LOWER];
+ btrfs_backref_free_edge(cache, edge);
+
+ /* Child node is also orphan, queue for cleanup */
+ if (list_empty(&lower->upper))
+ list_add(&lower->list, useless_node);
+ }
+ /* Mark this block processed for relocation */
+ mark_block_processed(rc, cur);
+
+ /*
+ * Backref nodes for tree leaves are deleted from the cache.
+ * Backref nodes for upper level tree blocks are left in the
+ * cache to avoid unnecessary backref lookup.
+ */
+ if (cur->level > 0) {
+ list_add(&cur->list, &cache->detached);
+ cur->detached = 1;
+ } else {
+ rb_erase(&cur->rb_node, &cache->rb_root);
+ btrfs_backref_free_node(cache, cur);
+ }
}
- *end = (unsigned long)ei + item_size;
- return 0;
+ return ret;
}
/*
- * build backref tree for a given tree block. root of the backref tree
- * corresponds the tree block, leaves of the backref tree correspond
- * roots of b-trees that reference the tree block.
+ * Build backref tree for a given tree block. Root of the backref tree
+ * corresponds the tree block, leaves of the backref tree correspond roots of
+ * b-trees that reference the tree block.
*
- * the basic idea of this function is check backrefs of a given block
- * to find upper level blocks that reference the block, and then check
- * backrefs of these upper level blocks recursively. the recursion stop
- * when tree root is reached or backrefs for the block is cached.
+ * The basic idea of this function is check backrefs of a given block to find
+ * upper level blocks that reference the block, and then check backrefs of
+ * these upper level blocks recursively. The recursion stops when tree root is
+ * reached or backrefs for the block is cached.
*
- * NOTE: if we find backrefs for a block are cached, we know backrefs
- * for all upper level blocks that directly/indirectly reference the
- * block are also cached.
+ * NOTE: if we find that backrefs for a block are cached, we know backrefs for
+ * all upper level blocks that directly/indirectly reference the block are also
+ * cached.
*/
-static noinline_for_stack
-struct backref_node *build_backref_tree(struct reloc_control *rc,
- struct btrfs_key *node_key,
- int level, u64 bytenr)
+static noinline_for_stack struct btrfs_backref_node *build_backref_tree(
+ struct reloc_control *rc, struct btrfs_key *node_key,
+ int level, u64 bytenr)
{
- struct backref_cache *cache = &rc->backref_cache;
- struct btrfs_path *path1; /* For searching extent root */
- struct btrfs_path *path2; /* For searching parent of TREE_BLOCK_REF */
- struct extent_buffer *eb;
- struct btrfs_root *root;
- struct backref_node *cur;
- struct backref_node *upper;
- struct backref_node *lower;
- struct backref_node *node = NULL;
- struct backref_node *exist = NULL;
- struct backref_edge *edge;
- struct rb_node *rb_node;
- struct btrfs_key key;
- unsigned long end;
- unsigned long ptr;
- LIST_HEAD(list); /* Pending edge list, upper node needs to be checked */
- LIST_HEAD(useless);
- int cowonly;
+ struct btrfs_backref_iter *iter;
+ struct btrfs_backref_cache *cache = &rc->backref_cache;
+ /* For searching parent of TREE_BLOCK_REF */
+ struct btrfs_path *path;
+ struct btrfs_backref_node *cur;
+ struct btrfs_backref_node *node = NULL;
+ struct btrfs_backref_edge *edge;
int ret;
int err = 0;
- bool need_check = true;
- path1 = btrfs_alloc_path();
- path2 = btrfs_alloc_path();
- if (!path1 || !path2) {
+ iter = btrfs_backref_iter_alloc(rc->extent_root->fs_info, GFP_NOFS);
+ if (!iter)
+ return ERR_PTR(-ENOMEM);
+ path = btrfs_alloc_path();
+ if (!path) {
err = -ENOMEM;
goto out;
}
- node = alloc_backref_node(cache);
+ node = btrfs_backref_alloc_node(cache, bytenr, level);
if (!node) {
err = -ENOMEM;
goto out;
}
- node->bytenr = bytenr;
- node->level = level;
node->lowest = 1;
cur = node;
-again:
- end = 0;
- ptr = 0;
- key.objectid = cur->bytenr;
- key.type = BTRFS_METADATA_ITEM_KEY;
- key.offset = (u64)-1;
-
- path1->search_commit_root = 1;
- path1->skip_locking = 1;
- ret = btrfs_search_slot(NULL, rc->extent_root, &key, path1,
- 0, 0);
- if (ret < 0) {
- err = ret;
- goto out;
- }
- ASSERT(ret);
- ASSERT(path1->slots[0]);
-
- path1->slots[0]--;
-
- WARN_ON(cur->checked);
- if (!list_empty(&cur->upper)) {
- /*
- * the backref was added previously when processing
- * backref of type BTRFS_TREE_BLOCK_REF_KEY
- */
- ASSERT(list_is_singular(&cur->upper));
- edge = list_entry(cur->upper.next, struct backref_edge,
- list[LOWER]);
- ASSERT(list_empty(&edge->list[UPPER]));
- exist = edge->node[UPPER];
- /*
- * add the upper level block to pending list if we need
- * check its backrefs
- */
- if (!exist->checked)
- list_add_tail(&edge->list[UPPER], &list);
- } else {
- exist = NULL;
- }
-
- while (1) {
- cond_resched();
- eb = path1->nodes[0];
-
- if (ptr >= end) {
- if (path1->slots[0] >= btrfs_header_nritems(eb)) {
- ret = btrfs_next_leaf(rc->extent_root, path1);
- if (ret < 0) {
- err = ret;
- goto out;
- }
- if (ret > 0)
- break;
- eb = path1->nodes[0];
- }
-
- btrfs_item_key_to_cpu(eb, &key, path1->slots[0]);
- if (key.objectid != cur->bytenr) {
- WARN_ON(exist);
- break;
- }
-
- if (key.type == BTRFS_EXTENT_ITEM_KEY ||
- key.type == BTRFS_METADATA_ITEM_KEY) {
- ret = find_inline_backref(eb, path1->slots[0],
- &ptr, &end);
- if (ret)
- goto next;
- }
- }
-
- if (ptr < end) {
- /* update key for inline back ref */
- struct btrfs_extent_inline_ref *iref;
- int type;
- iref = (struct btrfs_extent_inline_ref *)ptr;
- type = btrfs_get_extent_inline_ref_type(eb, iref,
- BTRFS_REF_TYPE_BLOCK);
- if (type == BTRFS_REF_TYPE_INVALID) {
- err = -EUCLEAN;
- goto out;
- }
- key.type = type;
- key.offset = btrfs_extent_inline_ref_offset(eb, iref);
-
- WARN_ON(key.type != BTRFS_TREE_BLOCK_REF_KEY &&
- key.type != BTRFS_SHARED_BLOCK_REF_KEY);
- }
-
- /*
- * Parent node found and matches current inline ref, no need to
- * rebuild this node for this inline ref.
- */
- if (exist &&
- ((key.type == BTRFS_TREE_BLOCK_REF_KEY &&
- exist->owner == key.offset) ||
- (key.type == BTRFS_SHARED_BLOCK_REF_KEY &&
- exist->bytenr == key.offset))) {
- exist = NULL;
- goto next;
- }
-
- /* SHARED_BLOCK_REF means key.offset is the parent bytenr */
- if (key.type == BTRFS_SHARED_BLOCK_REF_KEY) {
- if (key.objectid == key.offset) {
- /*
- * Only root blocks of reloc trees use backref
- * pointing to itself.
- */
- root = find_reloc_root(rc, cur->bytenr);
- ASSERT(root);
- cur->root = root;
- break;
- }
- edge = alloc_backref_edge(cache);
- if (!edge) {
- err = -ENOMEM;
- goto out;
- }
- rb_node = tree_search(&cache->rb_root, key.offset);
- if (!rb_node) {
- upper = alloc_backref_node(cache);
- if (!upper) {
- free_backref_edge(cache, edge);
- err = -ENOMEM;
- goto out;
- }
- upper->bytenr = key.offset;
- upper->level = cur->level + 1;
- /*
- * backrefs for the upper level block isn't
- * cached, add the block to pending list
- */
- list_add_tail(&edge->list[UPPER], &list);
- } else {
- upper = rb_entry(rb_node, struct backref_node,
- rb_node);
- ASSERT(upper->checked);
- INIT_LIST_HEAD(&edge->list[UPPER]);
- }
- list_add_tail(&edge->list[LOWER], &cur->upper);
- edge->node[LOWER] = cur;
- edge->node[UPPER] = upper;
-
- goto next;
- } else if (unlikely(key.type == BTRFS_EXTENT_REF_V0_KEY)) {
- err = -EINVAL;
- btrfs_print_v0_err(rc->extent_root->fs_info);
- btrfs_handle_fs_error(rc->extent_root->fs_info, err,
- NULL);
- goto out;
- } else if (key.type != BTRFS_TREE_BLOCK_REF_KEY) {
- goto next;
- }
-
- /*
- * key.type == BTRFS_TREE_BLOCK_REF_KEY, inline ref offset
- * means the root objectid. We need to search the tree to get
- * its parent bytenr.
- */
- root = read_fs_root(rc->extent_root->fs_info, key.offset);
- if (IS_ERR(root)) {
- err = PTR_ERR(root);
- goto out;
- }
-
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
- cur->cowonly = 1;
-
- if (btrfs_root_level(&root->root_item) == cur->level) {
- /* tree root */
- ASSERT(btrfs_root_bytenr(&root->root_item) ==
- cur->bytenr);
- if (should_ignore_root(root)) {
- btrfs_put_root(root);
- list_add(&cur->list, &useless);
- } else {
- cur->root = root;
- }
- break;
- }
-
- level = cur->level + 1;
-
- /* Search the tree to find parent blocks referring the block. */
- path2->search_commit_root = 1;
- path2->skip_locking = 1;
- path2->lowest_level = level;
- ret = btrfs_search_slot(NULL, root, node_key, path2, 0, 0);
- path2->lowest_level = 0;
+ /* Breadth-first search to build backref cache */
+ do {
+ ret = btrfs_backref_add_tree_node(cache, path, iter, node_key,
+ cur);
if (ret < 0) {
- btrfs_put_root(root);
err = ret;
goto out;
}
- if (ret > 0 && path2->slots[level] > 0)
- path2->slots[level]--;
-
- eb = path2->nodes[level];
- if (btrfs_node_blockptr(eb, path2->slots[level]) !=
- cur->bytenr) {
- btrfs_err(root->fs_info,
- "couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)",
- cur->bytenr, level - 1,
- root->root_key.objectid,
- node_key->objectid, node_key->type,
- node_key->offset);
- btrfs_put_root(root);
- err = -ENOENT;
- goto out;
- }
- lower = cur;
- need_check = true;
-
- /* Add all nodes and edges in the path */
- for (; level < BTRFS_MAX_LEVEL; level++) {
- if (!path2->nodes[level]) {
- ASSERT(btrfs_root_bytenr(&root->root_item) ==
- lower->bytenr);
- if (should_ignore_root(root)) {
- btrfs_put_root(root);
- list_add(&lower->list, &useless);
- } else {
- lower->root = root;
- }
- break;
- }
-
- edge = alloc_backref_edge(cache);
- if (!edge) {
- btrfs_put_root(root);
- err = -ENOMEM;
- goto out;
- }
-
- eb = path2->nodes[level];
- rb_node = tree_search(&cache->rb_root, eb->start);
- if (!rb_node) {
- upper = alloc_backref_node(cache);
- if (!upper) {
- btrfs_put_root(root);
- free_backref_edge(cache, edge);
- err = -ENOMEM;
- goto out;
- }
- upper->bytenr = eb->start;
- upper->owner = btrfs_header_owner(eb);
- upper->level = lower->level + 1;
- if (!test_bit(BTRFS_ROOT_REF_COWS,
- &root->state))
- upper->cowonly = 1;
-
- /*
- * if we know the block isn't shared
- * we can void checking its backrefs.
- */
- if (btrfs_block_can_be_shared(root, eb))
- upper->checked = 0;
- else
- upper->checked = 1;
-
- /*
- * add the block to pending list if we
- * need check its backrefs, we only do this once
- * while walking up a tree as we will catch
- * anything else later on.
- */
- if (!upper->checked && need_check) {
- need_check = false;
- list_add_tail(&edge->list[UPPER],
- &list);
- } else {
- if (upper->checked)
- need_check = true;
- INIT_LIST_HEAD(&edge->list[UPPER]);
- }
- } else {
- upper = rb_entry(rb_node, struct backref_node,
- rb_node);
- ASSERT(upper->checked);
- INIT_LIST_HEAD(&edge->list[UPPER]);
- if (!upper->owner)
- upper->owner = btrfs_header_owner(eb);
- }
- list_add_tail(&edge->list[LOWER], &lower->upper);
- edge->node[LOWER] = lower;
- edge->node[UPPER] = upper;
-
- if (rb_node) {
- btrfs_put_root(root);
- break;
- }
- lower = upper;
- upper = NULL;
- }
- btrfs_release_path(path2);
-next:
- if (ptr < end) {
- ptr += btrfs_extent_inline_ref_size(key.type);
- if (ptr >= end) {
- WARN_ON(ptr > end);
- ptr = 0;
- end = 0;
- }
- }
- if (ptr >= end)
- path1->slots[0]++;
- }
- btrfs_release_path(path1);
-
- cur->checked = 1;
- WARN_ON(exist);
-
- /* the pending list isn't empty, take the first block to process */
- if (!list_empty(&list)) {
- edge = list_entry(list.next, struct backref_edge, list[UPPER]);
- list_del_init(&edge->list[UPPER]);
- cur = edge->node[UPPER];
- goto again;
- }
-
- /*
- * everything goes well, connect backref nodes and insert backref nodes
- * into the cache.
- */
- ASSERT(node->checked);
- cowonly = node->cowonly;
- if (!cowonly) {
- rb_node = tree_insert(&cache->rb_root, node->bytenr,
- &node->rb_node);
- if (rb_node)
- backref_tree_panic(rb_node, -EEXIST, node->bytenr);
- list_add_tail(&node->lower, &cache->leaves);
- }
-
- list_for_each_entry(edge, &node->upper, list[LOWER])
- list_add_tail(&edge->list[UPPER], &list);
-
- while (!list_empty(&list)) {
- edge = list_entry(list.next, struct backref_edge, list[UPPER]);
- list_del_init(&edge->list[UPPER]);
- upper = edge->node[UPPER];
- if (upper->detached) {
- list_del(&edge->list[LOWER]);
- lower = edge->node[LOWER];
- free_backref_edge(cache, edge);
- if (list_empty(&lower->upper))
- list_add(&lower->list, &useless);
- continue;
- }
-
- if (!RB_EMPTY_NODE(&upper->rb_node)) {
- if (upper->lowest) {
- list_del_init(&upper->lower);
- upper->lowest = 0;
- }
-
- list_add_tail(&edge->list[UPPER], &upper->lower);
- continue;
- }
-
- if (!upper->checked) {
- /*
- * Still want to blow up for developers since this is a
- * logic bug.
- */
- ASSERT(0);
- err = -EINVAL;
- goto out;
- }
- if (cowonly != upper->cowonly) {
- ASSERT(0);
- err = -EINVAL;
- goto out;
- }
-
- if (!cowonly) {
- rb_node = tree_insert(&cache->rb_root, upper->bytenr,
- &upper->rb_node);
- if (rb_node)
- backref_tree_panic(rb_node, -EEXIST,
- upper->bytenr);
+ edge = list_first_entry_or_null(&cache->pending_edge,
+ struct btrfs_backref_edge, list[UPPER]);
+ /*
+ * The pending list isn't empty, take the first block to
+ * process
+ */
+ if (edge) {
+ list_del_init(&edge->list[UPPER]);
+ cur = edge->node[UPPER];
}
+ } while (edge);
- list_add_tail(&edge->list[UPPER], &upper->lower);
-
- list_for_each_entry(edge, &upper->upper, list[LOWER])
- list_add_tail(&edge->list[UPPER], &list);
+ /* Finish the upper linkage of newly added edges/nodes */
+ ret = btrfs_backref_finish_upper_links(cache, node);
+ if (ret < 0) {
+ err = ret;
+ goto out;
}
- /*
- * process useless backref nodes. backref nodes for tree leaves
- * are deleted from the cache. backref nodes for upper level
- * tree blocks are left in the cache to avoid unnecessary backref
- * lookup.
- */
- while (!list_empty(&useless)) {
- upper = list_entry(useless.next, struct backref_node, list);
- list_del_init(&upper->list);
- ASSERT(list_empty(&upper->upper));
- if (upper == node)
- node = NULL;
- if (upper->lowest) {
- list_del_init(&upper->lower);
- upper->lowest = 0;
- }
- while (!list_empty(&upper->lower)) {
- edge = list_entry(upper->lower.next,
- struct backref_edge, list[UPPER]);
- list_del(&edge->list[UPPER]);
- list_del(&edge->list[LOWER]);
- lower = edge->node[LOWER];
- free_backref_edge(cache, edge);
- if (list_empty(&lower->upper))
- list_add(&lower->list, &useless);
- }
- __mark_block_processed(rc, upper);
- if (upper->level > 0) {
- list_add(&upper->list, &cache->detached);
- upper->detached = 1;
- } else {
- rb_erase(&upper->rb_node, &cache->rb_root);
- free_backref_node(cache, upper);
- }
- }
+ if (handle_useless_nodes(rc, node))
+ node = NULL;
out:
- btrfs_free_path(path1);
- btrfs_free_path(path2);
+ btrfs_backref_iter_free(iter);
+ btrfs_free_path(path);
if (err) {
- while (!list_empty(&useless)) {
- lower = list_entry(useless.next,
- struct backref_node, list);
- list_del_init(&lower->list);
- }
- while (!list_empty(&list)) {
- edge = list_first_entry(&list, struct backref_edge,
- list[UPPER]);
- list_del(&edge->list[UPPER]);
- list_del(&edge->list[LOWER]);
- lower = edge->node[LOWER];
- upper = edge->node[UPPER];
- free_backref_edge(cache, edge);
-
- /*
- * Lower is no longer linked to any upper backref nodes
- * and isn't in the cache, we can free it ourselves.
- */
- if (list_empty(&lower->upper) &&
- RB_EMPTY_NODE(&lower->rb_node))
- list_add(&lower->list, &useless);
-
- if (!RB_EMPTY_NODE(&upper->rb_node))
- continue;
-
- /* Add this guy's upper edges to the list to process */
- list_for_each_entry(edge, &upper->upper, list[LOWER])
- list_add_tail(&edge->list[UPPER], &list);
- if (list_empty(&upper->upper))
- list_add(&upper->list, &useless);
- }
-
- while (!list_empty(&useless)) {
- lower = list_entry(useless.next,
- struct backref_node, list);
- list_del_init(&lower->list);
- if (lower == node)
- node = NULL;
- free_backref_node(cache, lower);
- }
-
- remove_backref_node(cache, node);
+ btrfs_backref_error_cleanup(cache, node);
return ERR_PTR(err);
}
ASSERT(!node || !node->detached);
+ ASSERT(list_empty(&cache->useless_node) &&
+ list_empty(&cache->pending_edge));
return node;
}
@@ -1244,19 +538,19 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
struct btrfs_root *dest)
{
struct btrfs_root *reloc_root = src->reloc_root;
- struct backref_cache *cache = &rc->backref_cache;
- struct backref_node *node = NULL;
- struct backref_node *new_node;
- struct backref_edge *edge;
- struct backref_edge *new_edge;
+ struct btrfs_backref_cache *cache = &rc->backref_cache;
+ struct btrfs_backref_node *node = NULL;
+ struct btrfs_backref_node *new_node;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_edge *new_edge;
struct rb_node *rb_node;
if (cache->last_trans > 0)
update_backref_cache(trans, cache);
- rb_node = tree_search(&cache->rb_root, src->commit_root->start);
+ rb_node = rb_simple_search(&cache->rb_root, src->commit_root->start);
if (rb_node) {
- node = rb_entry(rb_node, struct backref_node, rb_node);
+ node = rb_entry(rb_node, struct btrfs_backref_node, rb_node);
if (node->detached)
node = NULL;
else
@@ -1264,10 +558,10 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
}
if (!node) {
- rb_node = tree_search(&cache->rb_root,
- reloc_root->commit_root->start);
+ rb_node = rb_simple_search(&cache->rb_root,
+ reloc_root->commit_root->start);
if (rb_node) {
- node = rb_entry(rb_node, struct backref_node,
+ node = rb_entry(rb_node, struct btrfs_backref_node,
rb_node);
BUG_ON(node->detached);
}
@@ -1276,12 +570,11 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
if (!node)
return 0;
- new_node = alloc_backref_node(cache);
+ new_node = btrfs_backref_alloc_node(cache, dest->node->start,
+ node->level);
if (!new_node)
return -ENOMEM;
- new_node->bytenr = dest->node->start;
- new_node->level = node->level;
new_node->lowest = node->lowest;
new_node->checked = 1;
new_node->root = btrfs_grab_root(dest);
@@ -1289,23 +582,21 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
if (!node->lowest) {
list_for_each_entry(edge, &node->lower, list[UPPER]) {
- new_edge = alloc_backref_edge(cache);
+ new_edge = btrfs_backref_alloc_edge(cache);
if (!new_edge)
goto fail;
- new_edge->node[UPPER] = new_node;
- new_edge->node[LOWER] = edge->node[LOWER];
- list_add_tail(&new_edge->list[UPPER],
- &new_node->lower);
+ btrfs_backref_link_edge(new_edge, edge->node[LOWER],
+ new_node, LINK_UPPER);
}
} else {
list_add_tail(&new_node->lower, &cache->leaves);
}
- rb_node = tree_insert(&cache->rb_root, new_node->bytenr,
- &new_node->rb_node);
+ rb_node = rb_simple_insert(&cache->rb_root, new_node->bytenr,
+ &new_node->rb_node);
if (rb_node)
- backref_tree_panic(rb_node, -EEXIST, new_node->bytenr);
+ btrfs_backref_panic(trans->fs_info, new_node->bytenr, -EEXIST);
if (!new_node->lowest) {
list_for_each_entry(new_edge, &new_node->lower, list[UPPER]) {
@@ -1317,11 +608,11 @@ static int clone_backref_node(struct btrfs_trans_handle *trans,
fail:
while (!list_empty(&new_node->lower)) {
new_edge = list_entry(new_node->lower.next,
- struct backref_edge, list[UPPER]);
+ struct btrfs_backref_edge, list[UPPER]);
list_del(&new_edge->list[UPPER]);
- free_backref_edge(cache, new_edge);
+ btrfs_backref_free_edge(cache, new_edge);
}
- free_backref_node(cache, new_node);
+ btrfs_backref_free_node(cache, new_node);
return -ENOMEM;
}
@@ -1343,8 +634,8 @@ static int __must_check __add_reloc_root(struct btrfs_root *root)
node->data = root;
spin_lock(&rc->reloc_root_tree.lock);
- rb_node = tree_insert(&rc->reloc_root_tree.rb_root,
- node->bytenr, &node->rb_node);
+ rb_node = rb_simple_insert(&rc->reloc_root_tree.rb_root,
+ node->bytenr, &node->rb_node);
spin_unlock(&rc->reloc_root_tree.lock);
if (rb_node) {
btrfs_panic(fs_info, -EEXIST,
@@ -1370,8 +661,8 @@ static void __del_reloc_root(struct btrfs_root *root)
if (rc && root->node) {
spin_lock(&rc->reloc_root_tree.lock);
- rb_node = tree_search(&rc->reloc_root_tree.rb_root,
- root->commit_root->start);
+ rb_node = rb_simple_search(&rc->reloc_root_tree.rb_root,
+ root->commit_root->start);
if (rb_node) {
node = rb_entry(rb_node, struct mapping_node, rb_node);
rb_erase(&node->rb_node, &rc->reloc_root_tree.rb_root);
@@ -1414,8 +705,8 @@ static int __update_reloc_root(struct btrfs_root *root)
struct reloc_control *rc = fs_info->reloc_ctl;
spin_lock(&rc->reloc_root_tree.lock);
- rb_node = tree_search(&rc->reloc_root_tree.rb_root,
- root->commit_root->start);
+ rb_node = rb_simple_search(&rc->reloc_root_tree.rb_root,
+ root->commit_root->start);
if (rb_node) {
node = rb_entry(rb_node, struct mapping_node, rb_node);
rb_erase(&node->rb_node, &rc->reloc_root_tree.rb_root);
@@ -1428,11 +719,11 @@ static int __update_reloc_root(struct btrfs_root *root)
spin_lock(&rc->reloc_root_tree.lock);
node->bytenr = root->node->start;
- rb_node = tree_insert(&rc->reloc_root_tree.rb_root,
- node->bytenr, &node->rb_node);
+ rb_node = rb_simple_insert(&rc->reloc_root_tree.rb_root,
+ node->bytenr, &node->rb_node);
spin_unlock(&rc->reloc_root_tree.lock);
if (rb_node)
- backref_tree_panic(rb_node, -EEXIST, node->bytenr);
+ btrfs_backref_panic(fs_info, node->bytenr, -EEXIST);
return 0;
}
@@ -1505,7 +796,7 @@ static struct btrfs_root *create_reloc_root(struct btrfs_trans_handle *trans,
reloc_root = btrfs_read_tree_root(fs_info->tree_root, &root_key);
BUG_ON(IS_ERR(reloc_root));
- set_bit(BTRFS_ROOT_REF_COWS, &reloc_root->state);
+ set_bit(BTRFS_ROOT_SHAREABLE, &reloc_root->state);
reloc_root->last_trans = trans->transid;
return reloc_root;
}
@@ -1679,14 +970,6 @@ again:
return NULL;
}
-static int in_block_group(u64 bytenr, struct btrfs_block_group *block_group)
-{
- if (bytenr >= block_group->start &&
- bytenr < block_group->start + block_group->length)
- return 1;
- return 0;
-}
-
/*
* get new location of data
*/
@@ -1784,7 +1067,8 @@ int replace_file_extents(struct btrfs_trans_handle *trans,
num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi);
if (bytenr == 0)
continue;
- if (!in_block_group(bytenr, rc->block_group))
+ if (!in_range(bytenr, rc->block_group->start,
+ rc->block_group->length))
continue;
/*
@@ -1940,7 +1224,7 @@ again:
level = btrfs_header_level(parent);
BUG_ON(level < lowest_level);
- ret = btrfs_bin_search(parent, &key, level, &slot);
+ ret = btrfs_bin_search(parent, &key, &slot);
if (ret < 0)
break;
if (ret && slot > 0)
@@ -2560,7 +1844,8 @@ again:
struct btrfs_root, root_list);
list_del_init(&reloc_root->root_list);
- root = read_fs_root(fs_info, reloc_root->root_key.offset);
+ root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
+ false);
BUG_ON(IS_ERR(root));
BUG_ON(root->reloc_root != reloc_root);
@@ -2588,13 +1873,10 @@ again:
static noinline_for_stack
void free_reloc_roots(struct list_head *list)
{
- struct btrfs_root *reloc_root;
+ struct btrfs_root *reloc_root, *tmp;
- while (!list_empty(list)) {
- reloc_root = list_entry(list->next, struct btrfs_root,
- root_list);
+ list_for_each_entry_safe(reloc_root, tmp, list, root_list)
__del_reloc_root(reloc_root);
- }
}
static noinline_for_stack
@@ -2624,12 +1906,11 @@ again:
reloc_root = list_entry(reloc_roots.next,
struct btrfs_root, root_list);
+ root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
+ false);
if (btrfs_root_refs(&reloc_root->root_item) > 0) {
- root = read_fs_root(fs_info,
- reloc_root->root_key.offset);
BUG_ON(IS_ERR(root));
BUG_ON(root->reloc_root != reloc_root);
-
ret = merge_reloc_root(rc, root);
btrfs_put_root(root);
if (ret) {
@@ -2639,6 +1920,16 @@ again:
goto out;
}
} else {
+ if (!IS_ERR(root)) {
+ if (root->reloc_root == reloc_root) {
+ root->reloc_root = NULL;
+ btrfs_put_root(reloc_root);
+ }
+ clear_bit(BTRFS_ROOT_DEAD_RELOC_TREE,
+ &root->state);
+ btrfs_put_root(root);
+ }
+
list_del_init(&reloc_root->root_list);
/* Don't forget to queue this reloc root for cleanup */
list_add_tail(&reloc_root->reloc_dirty_list,
@@ -2653,15 +1944,13 @@ again:
out:
if (ret) {
btrfs_handle_fs_error(fs_info, ret, NULL);
- if (!list_empty(&reloc_roots))
- free_reloc_roots(&reloc_roots);
+ free_reloc_roots(&reloc_roots);
/* new reloc root may be added */
mutex_lock(&fs_info->reloc_mutex);
list_splice_init(&rc->reloc_roots, &reloc_roots);
mutex_unlock(&fs_info->reloc_mutex);
- if (!list_empty(&reloc_roots))
- free_reloc_roots(&reloc_roots);
+ free_reloc_roots(&reloc_roots);
}
/*
@@ -2702,7 +1991,7 @@ static int record_reloc_root_in_trans(struct btrfs_trans_handle *trans,
if (reloc_root->last_trans == trans->transid)
return 0;
- root = read_fs_root(fs_info, reloc_root->root_key.offset);
+ root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset, false);
BUG_ON(IS_ERR(root));
BUG_ON(root->reloc_root != reloc_root);
ret = btrfs_record_root_in_trans(trans, root);
@@ -2714,10 +2003,10 @@ static int record_reloc_root_in_trans(struct btrfs_trans_handle *trans,
static noinline_for_stack
struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
struct reloc_control *rc,
- struct backref_node *node,
- struct backref_edge *edges[])
+ struct btrfs_backref_node *node,
+ struct btrfs_backref_edge *edges[])
{
- struct backref_node *next;
+ struct btrfs_backref_node *next;
struct btrfs_root *root;
int index = 0;
@@ -2727,7 +2016,7 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
next = walk_up_backref(next, edges, &index);
root = next->root;
BUG_ON(!root);
- BUG_ON(!test_bit(BTRFS_ROOT_REF_COWS, &root->state));
+ BUG_ON(!test_bit(BTRFS_ROOT_SHAREABLE, &root->state));
if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) {
record_reloc_root_in_trans(trans, root);
@@ -2746,7 +2035,7 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
ASSERT(next->root);
list_add_tail(&next->list,
&rc->backref_cache.changed);
- __mark_block_processed(rc, next);
+ mark_block_processed(rc, next);
break;
}
@@ -2771,18 +2060,21 @@ struct btrfs_root *select_reloc_root(struct btrfs_trans_handle *trans,
}
/*
- * select a tree root for relocation. return NULL if the block
- * is reference counted. we should use do_relocation() in this
- * case. return a tree root pointer if the block isn't reference
- * counted. return -ENOENT if the block is root of reloc tree.
+ * Select a tree root for relocation.
+ *
+ * Return NULL if the block is not shareable. We should use do_relocation() in
+ * this case.
+ *
+ * Return a tree root pointer if the block is shareable.
+ * Return -ENOENT if the block is root of reloc tree.
*/
static noinline_for_stack
-struct btrfs_root *select_one_root(struct backref_node *node)
+struct btrfs_root *select_one_root(struct btrfs_backref_node *node)
{
- struct backref_node *next;
+ struct btrfs_backref_node *next;
struct btrfs_root *root;
struct btrfs_root *fs_root = NULL;
- struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
+ struct btrfs_backref_edge *edges[BTRFS_MAX_LEVEL - 1];
int index = 0;
next = node;
@@ -2792,8 +2084,8 @@ struct btrfs_root *select_one_root(struct backref_node *node)
root = next->root;
BUG_ON(!root);
- /* no other choice for non-references counted tree */
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ /* No other choice for non-shareable tree */
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
return root;
if (root->root_key.objectid != BTRFS_TREE_RELOC_OBJECTID)
@@ -2814,12 +2106,12 @@ struct btrfs_root *select_one_root(struct backref_node *node)
static noinline_for_stack
u64 calcu_metadata_size(struct reloc_control *rc,
- struct backref_node *node, int reserve)
+ struct btrfs_backref_node *node, int reserve)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
- struct backref_node *next = node;
- struct backref_edge *edge;
- struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
+ struct btrfs_backref_node *next = node;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_edge *edges[BTRFS_MAX_LEVEL - 1];
u64 num_bytes = 0;
int index = 0;
@@ -2837,7 +2129,7 @@ u64 calcu_metadata_size(struct reloc_control *rc,
break;
edge = list_entry(next->upper.next,
- struct backref_edge, list[LOWER]);
+ struct btrfs_backref_edge, list[LOWER]);
edges[index++] = edge;
next = edge->node[UPPER];
}
@@ -2848,7 +2140,7 @@ u64 calcu_metadata_size(struct reloc_control *rc,
static int reserve_metadata_space(struct btrfs_trans_handle *trans,
struct reloc_control *rc,
- struct backref_node *node)
+ struct btrfs_backref_node *node)
{
struct btrfs_root *root = rc->extent_root;
struct btrfs_fs_info *fs_info = root->fs_info;
@@ -2896,14 +2188,14 @@ static int reserve_metadata_space(struct btrfs_trans_handle *trans,
*/
static int do_relocation(struct btrfs_trans_handle *trans,
struct reloc_control *rc,
- struct backref_node *node,
+ struct btrfs_backref_node *node,
struct btrfs_key *key,
struct btrfs_path *path, int lowest)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
- struct backref_node *upper;
- struct backref_edge *edge;
- struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
+ struct btrfs_backref_node *upper;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_edge *edges[BTRFS_MAX_LEVEL - 1];
struct btrfs_root *root;
struct extent_buffer *eb;
u32 blocksize;
@@ -2929,8 +2221,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
if (upper->eb && !upper->locked) {
if (!lowest) {
- ret = btrfs_bin_search(upper->eb, key,
- upper->level, &slot);
+ ret = btrfs_bin_search(upper->eb, key, &slot);
if (ret < 0) {
err = ret;
goto next;
@@ -2940,7 +2231,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
if (node->eb->start == bytenr)
goto next;
}
- drop_node_buffer(upper);
+ btrfs_backref_drop_node_buffer(upper);
}
if (!upper->eb) {
@@ -2968,8 +2259,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
slot = path->slots[upper->level];
btrfs_release_path(path);
} else {
- ret = btrfs_bin_search(upper->eb, key, upper->level,
- &slot);
+ ret = btrfs_bin_search(upper->eb, key, &slot);
if (ret < 0) {
err = ret;
goto next;
@@ -3039,15 +2329,15 @@ static int do_relocation(struct btrfs_trans_handle *trans,
}
next:
if (!upper->pending)
- drop_node_buffer(upper);
+ btrfs_backref_drop_node_buffer(upper);
else
- unlock_node_buffer(upper);
+ btrfs_backref_unlock_node_buffer(upper);
if (err)
break;
}
if (!err && node->pending) {
- drop_node_buffer(node);
+ btrfs_backref_drop_node_buffer(node);
list_move_tail(&node->list, &rc->backref_cache.changed);
node->pending = 0;
}
@@ -3059,7 +2349,7 @@ next:
static int link_to_upper(struct btrfs_trans_handle *trans,
struct reloc_control *rc,
- struct backref_node *node,
+ struct btrfs_backref_node *node,
struct btrfs_path *path)
{
struct btrfs_key key;
@@ -3073,15 +2363,15 @@ static int finish_pending_nodes(struct btrfs_trans_handle *trans,
struct btrfs_path *path, int err)
{
LIST_HEAD(list);
- struct backref_cache *cache = &rc->backref_cache;
- struct backref_node *node;
+ struct btrfs_backref_cache *cache = &rc->backref_cache;
+ struct btrfs_backref_node *node;
int level;
int ret;
for (level = 0; level < BTRFS_MAX_LEVEL; level++) {
while (!list_empty(&cache->pending[level])) {
node = list_entry(cache->pending[level].next,
- struct backref_node, list);
+ struct btrfs_backref_node, list);
list_move_tail(&node->list, &list);
BUG_ON(!node->pending);
@@ -3096,35 +2386,16 @@ static int finish_pending_nodes(struct btrfs_trans_handle *trans,
return err;
}
-static void mark_block_processed(struct reloc_control *rc,
- u64 bytenr, u32 blocksize)
-{
- set_extent_bits(&rc->processed_blocks, bytenr, bytenr + blocksize - 1,
- EXTENT_DIRTY);
-}
-
-static void __mark_block_processed(struct reloc_control *rc,
- struct backref_node *node)
-{
- u32 blocksize;
- if (node->level == 0 ||
- in_block_group(node->bytenr, rc->block_group)) {
- blocksize = rc->extent_root->fs_info->nodesize;
- mark_block_processed(rc, node->bytenr, blocksize);
- }
- node->processed = 1;
-}
-
/*
* mark a block and all blocks directly/indirectly reference the block
* as processed.
*/
static void update_processed_blocks(struct reloc_control *rc,
- struct backref_node *node)
+ struct btrfs_backref_node *node)
{
- struct backref_node *next = node;
- struct backref_edge *edge;
- struct backref_edge *edges[BTRFS_MAX_LEVEL - 1];
+ struct btrfs_backref_node *next = node;
+ struct btrfs_backref_edge *edge;
+ struct btrfs_backref_edge *edges[BTRFS_MAX_LEVEL - 1];
int index = 0;
while (next) {
@@ -3133,13 +2404,13 @@ static void update_processed_blocks(struct reloc_control *rc,
if (next->processed)
break;
- __mark_block_processed(rc, next);
+ mark_block_processed(rc, next);
if (list_empty(&next->upper))
break;
edge = list_entry(next->upper.next,
- struct backref_edge, list[LOWER]);
+ struct btrfs_backref_edge, list[LOWER]);
edges[index++] = edge;
next = edge->node[UPPER];
}
@@ -3184,7 +2455,7 @@ static int get_tree_block_key(struct btrfs_fs_info *fs_info,
*/
static int relocate_tree_block(struct btrfs_trans_handle *trans,
struct reloc_control *rc,
- struct backref_node *node,
+ struct btrfs_backref_node *node,
struct btrfs_key *key,
struct btrfs_path *path)
{
@@ -3210,7 +2481,7 @@ static int relocate_tree_block(struct btrfs_trans_handle *trans,
}
if (root) {
- if (test_bit(BTRFS_ROOT_REF_COWS, &root->state)) {
+ if (test_bit(BTRFS_ROOT_SHAREABLE, &root->state)) {
BUG_ON(node->new_bytenr);
BUG_ON(!list_empty(&node->list));
btrfs_record_root_in_trans(trans, root);
@@ -3234,7 +2505,7 @@ static int relocate_tree_block(struct btrfs_trans_handle *trans,
}
out:
if (ret || node->level == 0 || node->cowonly)
- remove_backref_node(&rc->backref_cache, node);
+ btrfs_backref_cleanup_node(&rc->backref_cache, node);
return ret;
}
@@ -3246,7 +2517,7 @@ int relocate_tree_blocks(struct btrfs_trans_handle *trans,
struct reloc_control *rc, struct rb_root *blocks)
{
struct btrfs_fs_info *fs_info = rc->extent_root->fs_info;
- struct backref_node *node;
+ struct btrfs_backref_node *node;
struct btrfs_path *path;
struct tree_block *block;
struct tree_block *next;
@@ -3613,9 +2884,10 @@ static int add_tree_block(struct reloc_control *rc,
block->level = level;
block->key_ready = 0;
- rb_node = tree_insert(blocks, block->bytenr, &block->rb_node);
+ rb_node = rb_simple_insert(blocks, block->bytenr, &block->rb_node);
if (rb_node)
- backref_tree_panic(rb_node, -EEXIST, block->bytenr);
+ btrfs_backref_panic(rc->extent_root->fs_info, block->bytenr,
+ -EEXIST);
return 0;
}
@@ -3636,7 +2908,7 @@ static int __add_tree_block(struct reloc_control *rc,
if (tree_block_processed(bytenr, rc))
return 0;
- if (tree_search(blocks, bytenr))
+ if (rb_simple_search(blocks, bytenr))
return 0;
path = btrfs_alloc_path();
@@ -3698,7 +2970,6 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
struct inode *inode,
u64 ino)
{
- struct btrfs_key key;
struct btrfs_root *root = fs_info->tree_root;
struct btrfs_trans_handle *trans;
int ret = 0;
@@ -3706,11 +2977,7 @@ static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
if (inode)
goto truncate;
- key.objectid = ino;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
-
- inode = btrfs_iget(fs_info->sb, &key, root);
+ inode = btrfs_iget(fs_info->sb, ino, root);
if (IS_ERR(inode))
return -ENOENT;
@@ -4122,7 +3389,7 @@ restart:
rc->create_reloc_tree = 0;
set_reloc_control(rc);
- backref_cache_cleanup(&rc->backref_cache);
+ btrfs_backref_release_cache(&rc->backref_cache);
btrfs_block_rsv_release(fs_info, rc->block_rsv, (u64)-1, NULL);
/*
@@ -4198,14 +3465,10 @@ struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
struct inode *inode = NULL;
struct btrfs_trans_handle *trans;
struct btrfs_root *root;
- struct btrfs_key key;
u64 objectid;
int err = 0;
- root = read_fs_root(fs_info, BTRFS_DATA_RELOC_TREE_OBJECTID);
- if (IS_ERR(root))
- return ERR_CAST(root);
-
+ root = btrfs_grab_root(fs_info->data_reloc_root);
trans = btrfs_start_transaction(root, 6);
if (IS_ERR(trans)) {
btrfs_put_root(root);
@@ -4219,10 +3482,7 @@ struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
err = __insert_orphan_inode(trans, root, objectid);
BUG_ON(err);
- key.objectid = objectid;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, root);
+ inode = btrfs_iget(fs_info->sb, objectid, root);
BUG_ON(IS_ERR(inode));
BTRFS_I(inode)->index_cnt = group->start;
@@ -4249,7 +3509,7 @@ static struct reloc_control *alloc_reloc_control(struct btrfs_fs_info *fs_info)
INIT_LIST_HEAD(&rc->reloc_roots);
INIT_LIST_HEAD(&rc->dirty_subvol_roots);
- backref_cache_init(&rc->backref_cache);
+ btrfs_backref_init_cache(fs_info, &rc->backref_cache, 1);
mapping_tree_init(&rc->reloc_root_tree);
extent_io_tree_init(fs_info, &rc->processed_blocks,
IO_TREE_RELOC_BLOCKS, NULL);
@@ -4494,12 +3754,12 @@ int btrfs_recover_relocation(struct btrfs_root *root)
goto out;
}
- set_bit(BTRFS_ROOT_REF_COWS, &reloc_root->state);
+ set_bit(BTRFS_ROOT_SHAREABLE, &reloc_root->state);
list_add(&reloc_root->root_list, &reloc_roots);
if (btrfs_root_refs(&reloc_root->root_item) > 0) {
- fs_root = read_fs_root(fs_info,
- reloc_root->root_key.offset);
+ fs_root = btrfs_get_fs_root(fs_info,
+ reloc_root->root_key.offset, false);
if (IS_ERR(fs_root)) {
ret = PTR_ERR(fs_root);
if (ret != -ENOENT) {
@@ -4555,10 +3815,12 @@ int btrfs_recover_relocation(struct btrfs_root *root)
continue;
}
- fs_root = read_fs_root(fs_info, reloc_root->root_key.offset);
+ fs_root = btrfs_get_fs_root(fs_info, reloc_root->root_key.offset,
+ false);
if (IS_ERR(fs_root)) {
err = PTR_ERR(fs_root);
list_add_tail(&reloc_root->root_list, &reloc_roots);
+ btrfs_end_transaction(trans);
goto out_unset;
}
@@ -4590,20 +3852,16 @@ out_unset:
unset_reloc_control(rc);
free_reloc_control(rc);
out:
- if (!list_empty(&reloc_roots))
- free_reloc_roots(&reloc_roots);
+ free_reloc_roots(&reloc_roots);
btrfs_free_path(path);
if (err == 0) {
/* cleanup orphan inode in data relocation tree */
- fs_root = read_fs_root(fs_info, BTRFS_DATA_RELOC_TREE_OBJECTID);
- if (IS_ERR(fs_root)) {
- err = PTR_ERR(fs_root);
- } else {
- err = btrfs_orphan_cleanup(fs_root);
- btrfs_put_root(fs_root);
- }
+ fs_root = btrfs_grab_root(fs_info->data_reloc_root);
+ ASSERT(fs_root);
+ err = btrfs_orphan_cleanup(fs_root);
+ btrfs_put_root(fs_root);
}
return err;
}
@@ -4665,7 +3923,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct reloc_control *rc;
- struct backref_node *node;
+ struct btrfs_backref_node *node;
int first_cow = 0;
int level;
int ret = 0;
@@ -4690,7 +3948,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
BUG_ON(node->bytenr != buf->start &&
node->new_bytenr != buf->start);
- drop_node_buffer(node);
+ btrfs_backref_drop_node_buffer(node);
atomic_inc(&cow->refs);
node->eb = cow;
node->new_bytenr = cow->start;
@@ -4702,7 +3960,7 @@ int btrfs_reloc_cow_block(struct btrfs_trans_handle *trans,
}
if (first_cow)
- __mark_block_processed(rc, node);
+ mark_block_processed(rc, node);
if (first_cow && level > 0)
rc->nodes_relocated += buf->len;
diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c
index 668f22844017..c89697486366 100644
--- a/fs/btrfs/root-tree.c
+++ b/fs/btrfs/root-tree.c
@@ -210,7 +210,6 @@ int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info)
struct extent_buffer *leaf;
struct btrfs_path *path;
struct btrfs_key key;
- struct btrfs_key root_key;
struct btrfs_root *root;
int err = 0;
int ret;
@@ -223,10 +222,9 @@ int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info)
key.type = BTRFS_ORPHAN_ITEM_KEY;
key.offset = 0;
- root_key.type = BTRFS_ROOT_ITEM_KEY;
- root_key.offset = (u64)-1;
-
while (1) {
+ u64 root_objectid;
+
ret = btrfs_search_slot(NULL, tree_root, &key, path, 0, 0);
if (ret < 0) {
err = ret;
@@ -250,10 +248,10 @@ int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info)
key.type != BTRFS_ORPHAN_ITEM_KEY)
break;
- root_key.objectid = key.offset;
+ root_objectid = key.offset;
key.offset++;
- root = btrfs_get_fs_root(fs_info, &root_key, false);
+ root = btrfs_get_fs_root(fs_info, root_objectid, false);
err = PTR_ERR_OR_ZERO(root);
if (err && err != -ENOENT) {
break;
@@ -270,7 +268,7 @@ int btrfs_find_orphan_roots(struct btrfs_fs_info *fs_info)
break;
}
err = btrfs_del_orphan_item(trans, tree_root,
- root_key.objectid);
+ root_objectid);
btrfs_end_transaction(trans);
if (err) {
btrfs_handle_fs_error(fs_info, err,
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index adaf8ab694d5..016a025e36c7 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -647,13 +647,9 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root,
struct btrfs_fs_info *fs_info = swarn->dev->fs_info;
struct inode_fs_paths *ipath = NULL;
struct btrfs_root *local_root;
- struct btrfs_key root_key;
struct btrfs_key key;
- root_key.objectid = root;
- root_key.type = BTRFS_ROOT_ITEM_KEY;
- root_key.offset = (u64)-1;
- local_root = btrfs_get_fs_root(fs_info, &root_key, true);
+ local_root = btrfs_get_fs_root(fs_info, root, true);
if (IS_ERR(local_root)) {
ret = PTR_ERR(local_root);
goto err;
@@ -3046,7 +3042,8 @@ out:
static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
struct map_lookup *map,
struct btrfs_device *scrub_dev,
- int num, u64 base, u64 length)
+ int num, u64 base, u64 length,
+ struct btrfs_block_group *cache)
{
struct btrfs_path *path, *ppath;
struct btrfs_fs_info *fs_info = sctx->fs_info;
@@ -3284,6 +3281,20 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
break;
}
+ /*
+ * If our block group was removed in the meanwhile, just
+ * stop scrubbing since there is no point in continuing.
+ * Continuing would prevent reusing its device extents
+ * for new block groups for a long time.
+ */
+ spin_lock(&cache->lock);
+ if (cache->removed) {
+ spin_unlock(&cache->lock);
+ ret = 0;
+ goto out;
+ }
+ spin_unlock(&cache->lock);
+
extent = btrfs_item_ptr(l, slot,
struct btrfs_extent_item);
flags = btrfs_extent_flags(l, extent);
@@ -3328,13 +3339,14 @@ again:
&extent_dev,
&extent_mirror_num);
- ret = btrfs_lookup_csums_range(csum_root,
- extent_logical,
- extent_logical +
- extent_len - 1,
- &sctx->csum_list, 1);
- if (ret)
- goto out;
+ if (flags & BTRFS_EXTENT_FLAG_DATA) {
+ ret = btrfs_lookup_csums_range(csum_root,
+ extent_logical,
+ extent_logical + extent_len - 1,
+ &sctx->csum_list, 1);
+ if (ret)
+ goto out;
+ }
ret = scrub_extent(sctx, map, extent_logical, extent_len,
extent_physical, extent_dev, flags,
@@ -3457,7 +3469,7 @@ static noinline_for_stack int scrub_chunk(struct scrub_ctx *sctx,
if (map->stripes[i].dev->bdev == scrub_dev->bdev &&
map->stripes[i].physical == dev_offset) {
ret = scrub_stripe(sctx, map, scrub_dev, i,
- chunk_offset, length);
+ chunk_offset, length, cache);
if (ret)
goto out;
}
@@ -3555,6 +3567,23 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
goto skip;
/*
+ * Make sure that while we are scrubbing the corresponding block
+ * group doesn't get its logical address and its device extents
+ * reused for another block group, which can possibly be of a
+ * different type and different profile. We do this to prevent
+ * false error detections and crashes due to bogus attempts to
+ * repair extents.
+ */
+ spin_lock(&cache->lock);
+ if (cache->removed) {
+ spin_unlock(&cache->lock);
+ btrfs_put_block_group(cache);
+ goto skip;
+ }
+ btrfs_freeze_block_group(cache);
+ spin_unlock(&cache->lock);
+
+ /*
* we need call btrfs_inc_block_group_ro() with scrubs_paused,
* to avoid deadlock caused by:
* btrfs_inc_block_group_ro()
@@ -3609,6 +3638,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
} else {
btrfs_warn(fs_info,
"failed setting block group ro: %d", ret);
+ btrfs_unfreeze_block_group(cache);
btrfs_put_block_group(cache);
scrub_pause_off(fs_info);
break;
@@ -3695,6 +3725,7 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
spin_unlock(&cache->lock);
}
+ btrfs_unfreeze_block_group(cache);
btrfs_put_block_group(cache);
if (ret)
break;
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index c5f41bd86765..d9813a5b075a 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -23,6 +23,7 @@
#include "btrfs_inode.h"
#include "transaction.h"
#include "compression.h"
+#include "xattr.h"
/*
* Maximum number of references an extent can have in order for us to attempt to
@@ -4545,6 +4546,10 @@ static int __process_new_xattr(int num, struct btrfs_key *di_key,
struct fs_path *p;
struct posix_acl_xattr_header dummy_acl;
+ /* Capabilities are emitted by finish_inode_if_needed */
+ if (!strncmp(name, XATTR_NAME_CAPS, name_len))
+ return 0;
+
p = fs_path_alloc();
if (!p)
return -ENOMEM;
@@ -4801,17 +4806,12 @@ static ssize_t fill_read_buf(struct send_ctx *sctx, u64 offset, u32 len)
struct inode *inode;
struct page *page;
char *addr;
- struct btrfs_key key;
pgoff_t index = offset >> PAGE_SHIFT;
pgoff_t last_index;
unsigned pg_offset = offset_in_page(offset);
ssize_t ret = 0;
- key.objectid = sctx->cur_ino;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
-
- inode = btrfs_iget(fs_info->sb, &key, root);
+ inode = btrfs_iget(fs_info->sb, sctx->cur_ino, root);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -5107,6 +5107,64 @@ static int send_extent_data(struct send_ctx *sctx,
return 0;
}
+/*
+ * Search for a capability xattr related to sctx->cur_ino. If the capability is
+ * found, call send_set_xattr function to emit it.
+ *
+ * Return 0 if there isn't a capability, or when the capability was emitted
+ * successfully, or < 0 if an error occurred.
+ */
+static int send_capabilities(struct send_ctx *sctx)
+{
+ struct fs_path *fspath = NULL;
+ struct btrfs_path *path;
+ struct btrfs_dir_item *di;
+ struct extent_buffer *leaf;
+ unsigned long data_ptr;
+ char *buf = NULL;
+ int buf_len;
+ int ret = 0;
+
+ path = alloc_path_for_send();
+ if (!path)
+ return -ENOMEM;
+
+ di = btrfs_lookup_xattr(NULL, sctx->send_root, path, sctx->cur_ino,
+ XATTR_NAME_CAPS, strlen(XATTR_NAME_CAPS), 0);
+ if (!di) {
+ /* There is no xattr for this inode */
+ goto out;
+ } else if (IS_ERR(di)) {
+ ret = PTR_ERR(di);
+ goto out;
+ }
+
+ leaf = path->nodes[0];
+ buf_len = btrfs_dir_data_len(leaf, di);
+
+ fspath = fs_path_alloc();
+ buf = kmalloc(buf_len, GFP_KERNEL);
+ if (!fspath || !buf) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = get_cur_path(sctx, sctx->cur_ino, sctx->cur_inode_gen, fspath);
+ if (ret < 0)
+ goto out;
+
+ data_ptr = (unsigned long)(di + 1) + btrfs_dir_name_len(leaf, di);
+ read_extent_buffer(leaf, buf, data_ptr, buf_len);
+
+ ret = send_set_xattr(sctx, fspath, XATTR_NAME_CAPS,
+ strlen(XATTR_NAME_CAPS), buf, buf_len);
+out:
+ kfree(buf);
+ fs_path_free(fspath);
+ btrfs_free_path(path);
+ return ret;
+}
+
static int clone_range(struct send_ctx *sctx,
struct clone_root *clone_root,
const u64 disk_byte,
@@ -5972,6 +6030,10 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)
goto out;
}
+ ret = send_capabilities(sctx);
+ if (ret < 0)
+ goto out;
+
/*
* If other directory inodes depended on our current directory
* inode's move/rename, now do their move/rename operations.
@@ -7021,7 +7083,6 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg)
struct btrfs_root *send_root = BTRFS_I(file_inode(mnt_file))->root;
struct btrfs_fs_info *fs_info = send_root->fs_info;
struct btrfs_root *clone_root;
- struct btrfs_key key;
struct send_ctx *sctx = NULL;
u32 i;
u64 *clone_sources_tmp = NULL;
@@ -7065,13 +7126,6 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg)
goto out;
}
- if (!access_ok(arg->clone_sources,
- sizeof(*arg->clone_sources) *
- arg->clone_sources_count)) {
- ret = -EFAULT;
- goto out;
- }
-
if (arg->flags & ~BTRFS_SEND_FLAG_MASK) {
ret = -EINVAL;
goto out;
@@ -7150,11 +7204,8 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg)
}
for (i = 0; i < arg->clone_sources_count; i++) {
- key.objectid = clone_sources_tmp[i];
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
-
- clone_root = btrfs_get_fs_root(fs_info, &key, true);
+ clone_root = btrfs_get_fs_root(fs_info,
+ clone_sources_tmp[i], true);
if (IS_ERR(clone_root)) {
ret = PTR_ERR(clone_root);
goto out;
@@ -7185,11 +7236,8 @@ long btrfs_ioctl_send(struct file *mnt_file, struct btrfs_ioctl_send_args *arg)
}
if (arg->parent_root) {
- key.objectid = arg->parent_root;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
-
- sctx->parent_root = btrfs_get_fs_root(fs_info, &key, true);
+ sctx->parent_root = btrfs_get_fs_root(fs_info, arg->parent_root,
+ true);
if (IS_ERR(sctx->parent_root)) {
ret = PTR_ERR(sctx->parent_root);
goto out;
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index ff17a4420358..41ee88633769 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -626,6 +626,7 @@ static int may_commit_transaction(struct btrfs_fs_info *fs_info,
struct reserve_ticket *ticket = NULL;
struct btrfs_block_rsv *delayed_rsv = &fs_info->delayed_block_rsv;
struct btrfs_block_rsv *delayed_refs_rsv = &fs_info->delayed_refs_rsv;
+ struct btrfs_block_rsv *trans_rsv = &fs_info->trans_block_rsv;
struct btrfs_trans_handle *trans;
u64 bytes_needed;
u64 reclaim_bytes = 0;
@@ -688,6 +689,11 @@ static int may_commit_transaction(struct btrfs_fs_info *fs_info,
spin_lock(&delayed_refs_rsv->lock);
reclaim_bytes += delayed_refs_rsv->reserved;
spin_unlock(&delayed_refs_rsv->lock);
+
+ spin_lock(&trans_rsv->lock);
+ reclaim_bytes += trans_rsv->reserved;
+ spin_unlock(&trans_rsv->lock);
+
if (reclaim_bytes >= bytes_needed)
goto commit;
bytes_needed -= reclaim_bytes;
@@ -856,6 +862,34 @@ static inline int need_do_async_reclaim(struct btrfs_fs_info *fs_info,
!test_bit(BTRFS_FS_STATE_REMOUNTING, &fs_info->fs_state));
}
+static bool steal_from_global_rsv(struct btrfs_fs_info *fs_info,
+ struct btrfs_space_info *space_info,
+ struct reserve_ticket *ticket)
+{
+ struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;
+ u64 min_bytes;
+
+ if (global_rsv->space_info != space_info)
+ return false;
+
+ spin_lock(&global_rsv->lock);
+ min_bytes = div_factor(global_rsv->size, 1);
+ if (global_rsv->reserved < min_bytes + ticket->bytes) {
+ spin_unlock(&global_rsv->lock);
+ return false;
+ }
+ global_rsv->reserved -= ticket->bytes;
+ ticket->bytes = 0;
+ list_del_init(&ticket->list);
+ wake_up(&ticket->wait);
+ space_info->tickets_id++;
+ if (global_rsv->reserved < global_rsv->size)
+ global_rsv->full = 0;
+ spin_unlock(&global_rsv->lock);
+
+ return true;
+}
+
/*
* maybe_fail_all_tickets - we've exhausted our flushing, start failing tickets
* @fs_info - fs_info for this fs
@@ -888,6 +922,10 @@ static bool maybe_fail_all_tickets(struct btrfs_fs_info *fs_info,
ticket = list_first_entry(&space_info->tickets,
struct reserve_ticket, list);
+ if (ticket->steal &&
+ steal_from_global_rsv(fs_info, space_info, ticket))
+ return true;
+
/*
* may_commit_transaction will avoid committing the transaction
* if it doesn't feel like the space reclaimed by the commit
@@ -1104,6 +1142,7 @@ static int handle_reserve_ticket(struct btrfs_fs_info *fs_info,
switch (flush) {
case BTRFS_RESERVE_FLUSH_ALL:
+ case BTRFS_RESERVE_FLUSH_ALL_STEAL:
wait_reserve_ticket(fs_info, space_info, ticket);
break;
case BTRFS_RESERVE_FLUSH_LIMIT:
@@ -1125,11 +1164,17 @@ static int handle_reserve_ticket(struct btrfs_fs_info *fs_info,
ret = ticket->error;
if (ticket->bytes || ticket->error) {
/*
- * Need to delete here for priority tickets. For regular tickets
- * either the async reclaim job deletes the ticket from the list
- * or we delete it ourselves at wait_reserve_ticket().
+ * We were a priority ticket, so we need to delete ourselves
+ * from the list. Because we could have other priority tickets
+ * behind us that require less space, run
+ * btrfs_try_granting_tickets() to see if their reservations can
+ * now be made.
*/
- remove_ticket(space_info, ticket);
+ if (!list_empty(&ticket->list)) {
+ remove_ticket(space_info, ticket);
+ btrfs_try_granting_tickets(fs_info, space_info);
+ }
+
if (!ret)
ret = -ENOSPC;
}
@@ -1145,6 +1190,16 @@ static int handle_reserve_ticket(struct btrfs_fs_info *fs_info,
return ret;
}
+/*
+ * This returns true if this flush state will go through the ordinary flushing
+ * code.
+ */
+static inline bool is_normal_flushing(enum btrfs_reserve_flush_enum flush)
+{
+ return (flush == BTRFS_RESERVE_FLUSH_ALL) ||
+ (flush == BTRFS_RESERVE_FLUSH_ALL_STEAL);
+}
+
/**
* reserve_metadata_bytes - try to reserve bytes from the block_rsv's space
* @root - the root we're allocating for
@@ -1175,8 +1230,17 @@ static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info,
spin_lock(&space_info->lock);
ret = -ENOSPC;
used = btrfs_space_info_used(space_info, true);
- pending_tickets = !list_empty(&space_info->tickets) ||
- !list_empty(&space_info->priority_tickets);
+
+ /*
+ * We don't want NO_FLUSH allocations to jump everybody, they can
+ * generally handle ENOSPC in a different way, so treat them the same as
+ * normal flushers when it comes to skipping pending tickets.
+ */
+ if (is_normal_flushing(flush) || (flush == BTRFS_RESERVE_NO_FLUSH))
+ pending_tickets = !list_empty(&space_info->tickets) ||
+ !list_empty(&space_info->priority_tickets);
+ else
+ pending_tickets = !list_empty(&space_info->priority_tickets);
/*
* Carry on if we have enough space (short-circuit) OR call
@@ -1198,12 +1262,13 @@ static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info,
* the list and we will do our own flushing further down.
*/
if (ret && flush != BTRFS_RESERVE_NO_FLUSH) {
- ASSERT(space_info->reclaim_size >= 0);
ticket.bytes = orig_bytes;
ticket.error = 0;
space_info->reclaim_size += ticket.bytes;
init_waitqueue_head(&ticket.wait);
- if (flush == BTRFS_RESERVE_FLUSH_ALL) {
+ ticket.steal = (flush == BTRFS_RESERVE_FLUSH_ALL_STEAL);
+ if (flush == BTRFS_RESERVE_FLUSH_ALL ||
+ flush == BTRFS_RESERVE_FLUSH_ALL_STEAL) {
list_add_tail(&ticket.list, &space_info->tickets);
if (!space_info->flush) {
space_info->flush = 1;
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
index 0a5001ef1481..c3c64019950a 100644
--- a/fs/btrfs/space-info.h
+++ b/fs/btrfs/space-info.h
@@ -78,6 +78,7 @@ struct btrfs_space_info {
struct reserve_ticket {
u64 bytes;
int error;
+ bool steal;
struct list_head list;
wait_queue_head_t wait;
};
diff --git a/fs/btrfs/struct-funcs.c b/fs/btrfs/struct-funcs.c
index 73f7987143df..079b059818e9 100644
--- a/fs/btrfs/struct-funcs.c
+++ b/fs/btrfs/struct-funcs.c
@@ -17,151 +17,152 @@ static inline void put_unaligned_le8(u8 val, void *p)
*(u8 *)p = val;
}
+static bool check_setget_bounds(const struct extent_buffer *eb,
+ const void *ptr, unsigned off, int size)
+{
+ const unsigned long member_offset = (unsigned long)ptr + off;
+
+ if (member_offset > eb->len) {
+ btrfs_warn(eb->fs_info,
+ "bad eb member start: ptr 0x%lx start %llu member offset %lu size %d",
+ (unsigned long)ptr, eb->start, member_offset, size);
+ return false;
+ }
+ if (member_offset + size > eb->len) {
+ btrfs_warn(eb->fs_info,
+ "bad eb member end: ptr 0x%lx start %llu member offset %lu size %d",
+ (unsigned long)ptr, eb->start, member_offset, size);
+ return false;
+ }
+
+ return true;
+}
+
/*
- * this is some deeply nasty code.
+ * Macro templates that define helpers to read/write extent buffer data of a
+ * given size, that are also used via ctree.h for access to item members by
+ * specialized helpers.
*
- * The end result is that anyone who #includes ctree.h gets a
- * declaration for the btrfs_set_foo functions and btrfs_foo functions,
- * which are wrappers of btrfs_set_token_#bits functions and
- * btrfs_get_token_#bits functions, which are defined in this file.
+ * Generic helpers:
+ * - btrfs_set_8 (for 8/16/32/64)
+ * - btrfs_get_8 (for 8/16/32/64)
*
- * These setget functions do all the extent_buffer related mapping
- * required to efficiently read and write specific fields in the extent
- * buffers. Every pointer to metadata items in btrfs is really just
- * an unsigned long offset into the extent buffer which has been
- * cast to a specific type. This gives us all the gcc type checking.
+ * Generic helpers with a token (cached address of the most recently accessed
+ * page):
+ * - btrfs_set_token_8 (for 8/16/32/64)
+ * - btrfs_get_token_8 (for 8/16/32/64)
*
- * The extent buffer api is used to do the page spanning work required to
- * have a metadata blocksize different from the page size.
+ * The set/get functions handle data spanning two pages transparently, in case
+ * metadata block size is larger than page. Every pointer to metadata items is
+ * an offset into the extent buffer page array, cast to a specific type. This
+ * gives us all the type checking.
*
- * There are 2 variants defined, one with a token pointer and one without.
+ * The extent buffer pages stored in the array pages do not form a contiguous
+ * phyusical range, but the API functions assume the linear offset to the range
+ * from 0 to metadata node size.
*/
#define DEFINE_BTRFS_SETGET_BITS(bits) \
-u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
- const void *ptr, unsigned long off, \
- struct btrfs_map_token *token) \
+u##bits btrfs_get_token_##bits(struct btrfs_map_token *token, \
+ const void *ptr, unsigned long off) \
{ \
- unsigned long part_offset = (unsigned long)ptr; \
- unsigned long offset = part_offset + off; \
- void *p; \
- int err; \
- char *kaddr; \
- unsigned long map_start; \
- unsigned long map_len; \
- int size = sizeof(u##bits); \
- u##bits res; \
+ const unsigned long member_offset = (unsigned long)ptr + off; \
+ const unsigned long idx = member_offset >> PAGE_SHIFT; \
+ const unsigned long oip = offset_in_page(member_offset); \
+ const int size = sizeof(u##bits); \
+ u8 lebytes[sizeof(u##bits)]; \
+ const int part = PAGE_SIZE - oip; \
\
ASSERT(token); \
- ASSERT(token->eb == eb); \
- \
- if (token->kaddr && token->offset <= offset && \
- (token->offset + PAGE_SIZE >= offset + size)) { \
- kaddr = token->kaddr; \
- p = kaddr + part_offset - token->offset; \
- res = get_unaligned_le##bits(p + off); \
- return res; \
+ ASSERT(token->kaddr); \
+ ASSERT(check_setget_bounds(token->eb, ptr, off, size)); \
+ if (token->offset <= member_offset && \
+ member_offset + size <= token->offset + PAGE_SIZE) { \
+ return get_unaligned_le##bits(token->kaddr + oip); \
} \
- err = map_private_extent_buffer(eb, offset, size, \
- &kaddr, &map_start, &map_len); \
- if (err) { \
- __le##bits leres; \
+ token->kaddr = page_address(token->eb->pages[idx]); \
+ token->offset = idx << PAGE_SHIFT; \
+ if (oip + size <= PAGE_SIZE) \
+ return get_unaligned_le##bits(token->kaddr + oip); \
\
- read_extent_buffer(eb, &leres, offset, size); \
- return le##bits##_to_cpu(leres); \
- } \
- p = kaddr + part_offset - map_start; \
- res = get_unaligned_le##bits(p + off); \
- token->kaddr = kaddr; \
- token->offset = map_start; \
- return res; \
+ memcpy(lebytes, token->kaddr + oip, part); \
+ token->kaddr = page_address(token->eb->pages[idx + 1]); \
+ token->offset = (idx + 1) << PAGE_SHIFT; \
+ memcpy(lebytes + part, token->kaddr, size - part); \
+ return get_unaligned_le##bits(lebytes); \
} \
u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
const void *ptr, unsigned long off) \
{ \
- unsigned long part_offset = (unsigned long)ptr; \
- unsigned long offset = part_offset + off; \
- void *p; \
- int err; \
- char *kaddr; \
- unsigned long map_start; \
- unsigned long map_len; \
- int size = sizeof(u##bits); \
- u##bits res; \
+ const unsigned long member_offset = (unsigned long)ptr + off; \
+ const unsigned long oip = offset_in_page(member_offset); \
+ const unsigned long idx = member_offset >> PAGE_SHIFT; \
+ char *kaddr = page_address(eb->pages[idx]); \
+ const int size = sizeof(u##bits); \
+ const int part = PAGE_SIZE - oip; \
+ u8 lebytes[sizeof(u##bits)]; \
\
- err = map_private_extent_buffer(eb, offset, size, \
- &kaddr, &map_start, &map_len); \
- if (err) { \
- __le##bits leres; \
+ ASSERT(check_setget_bounds(eb, ptr, off, size)); \
+ if (oip + size <= PAGE_SIZE) \
+ return get_unaligned_le##bits(kaddr + oip); \
\
- read_extent_buffer(eb, &leres, offset, size); \
- return le##bits##_to_cpu(leres); \
- } \
- p = kaddr + part_offset - map_start; \
- res = get_unaligned_le##bits(p + off); \
- return res; \
+ memcpy(lebytes, kaddr + oip, part); \
+ kaddr = page_address(eb->pages[idx + 1]); \
+ memcpy(lebytes + part, kaddr, size - part); \
+ return get_unaligned_le##bits(lebytes); \
} \
-void btrfs_set_token_##bits(struct extent_buffer *eb, \
+void btrfs_set_token_##bits(struct btrfs_map_token *token, \
const void *ptr, unsigned long off, \
- u##bits val, \
- struct btrfs_map_token *token) \
+ u##bits val) \
{ \
- unsigned long part_offset = (unsigned long)ptr; \
- unsigned long offset = part_offset + off; \
- void *p; \
- int err; \
- char *kaddr; \
- unsigned long map_start; \
- unsigned long map_len; \
- int size = sizeof(u##bits); \
+ const unsigned long member_offset = (unsigned long)ptr + off; \
+ const unsigned long idx = member_offset >> PAGE_SHIFT; \
+ const unsigned long oip = offset_in_page(member_offset); \
+ const int size = sizeof(u##bits); \
+ u8 lebytes[sizeof(u##bits)]; \
+ const int part = PAGE_SIZE - oip; \
\
ASSERT(token); \
- ASSERT(token->eb == eb); \
- \
- if (token->kaddr && token->offset <= offset && \
- (token->offset + PAGE_SIZE >= offset + size)) { \
- kaddr = token->kaddr; \
- p = kaddr + part_offset - token->offset; \
- put_unaligned_le##bits(val, p + off); \
+ ASSERT(token->kaddr); \
+ ASSERT(check_setget_bounds(token->eb, ptr, off, size)); \
+ if (token->offset <= member_offset && \
+ member_offset + size <= token->offset + PAGE_SIZE) { \
+ put_unaligned_le##bits(val, token->kaddr + oip); \
return; \
} \
- err = map_private_extent_buffer(eb, offset, size, \
- &kaddr, &map_start, &map_len); \
- if (err) { \
- __le##bits val2; \
- \
- val2 = cpu_to_le##bits(val); \
- write_extent_buffer(eb, &val2, offset, size); \
+ token->kaddr = page_address(token->eb->pages[idx]); \
+ token->offset = idx << PAGE_SHIFT; \
+ if (oip + size <= PAGE_SIZE) { \
+ put_unaligned_le##bits(val, token->kaddr + oip); \
return; \
} \
- p = kaddr + part_offset - map_start; \
- put_unaligned_le##bits(val, p + off); \
- token->kaddr = kaddr; \
- token->offset = map_start; \
+ put_unaligned_le##bits(val, lebytes); \
+ memcpy(token->kaddr + oip, lebytes, part); \
+ token->kaddr = page_address(token->eb->pages[idx + 1]); \
+ token->offset = (idx + 1) << PAGE_SHIFT; \
+ memcpy(token->kaddr, lebytes + part, size - part); \
} \
-void btrfs_set_##bits(struct extent_buffer *eb, void *ptr, \
+void btrfs_set_##bits(const struct extent_buffer *eb, void *ptr, \
unsigned long off, u##bits val) \
{ \
- unsigned long part_offset = (unsigned long)ptr; \
- unsigned long offset = part_offset + off; \
- void *p; \
- int err; \
- char *kaddr; \
- unsigned long map_start; \
- unsigned long map_len; \
- int size = sizeof(u##bits); \
- \
- err = map_private_extent_buffer(eb, offset, size, \
- &kaddr, &map_start, &map_len); \
- if (err) { \
- __le##bits val2; \
+ const unsigned long member_offset = (unsigned long)ptr + off; \
+ const unsigned long oip = offset_in_page(member_offset); \
+ const unsigned long idx = member_offset >> PAGE_SHIFT; \
+ char *kaddr = page_address(eb->pages[idx]); \
+ const int size = sizeof(u##bits); \
+ const int part = PAGE_SIZE - oip; \
+ u8 lebytes[sizeof(u##bits)]; \
\
- val2 = cpu_to_le##bits(val); \
- write_extent_buffer(eb, &val2, offset, size); \
+ ASSERT(check_setget_bounds(eb, ptr, off, size)); \
+ if (oip + size <= PAGE_SIZE) { \
+ put_unaligned_le##bits(val, kaddr + oip); \
return; \
} \
- p = kaddr + part_offset - map_start; \
- put_unaligned_le##bits(val, p + off); \
+ \
+ put_unaligned_le##bits(val, lebytes); \
+ memcpy(kaddr + oip, lebytes, part); \
+ kaddr = page_address(eb->pages[idx + 1]); \
+ memcpy(kaddr, lebytes + part, size - part); \
}
DEFINE_BTRFS_SETGET_BITS(8)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 7932d8d07cff..bc73fd670702 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -72,23 +72,32 @@ const char * __attribute_const__ btrfs_decode_error(int errno)
char *errstr = "unknown";
switch (errno) {
- case -EIO:
+ case -ENOENT: /* -2 */
+ errstr = "No such entry";
+ break;
+ case -EIO: /* -5 */
errstr = "IO failure";
break;
- case -ENOMEM:
+ case -ENOMEM: /* -12*/
errstr = "Out of memory";
break;
- case -EROFS:
- errstr = "Readonly filesystem";
- break;
- case -EEXIST:
+ case -EEXIST: /* -17 */
errstr = "Object already exists";
break;
- case -ENOSPC:
+ case -ENOSPC: /* -28 */
errstr = "No space left";
break;
- case -ENOENT:
- errstr = "No such entry";
+ case -EROFS: /* -30 */
+ errstr = "Readonly filesystem";
+ break;
+ case -EOPNOTSUPP: /* -95 */
+ errstr = "Operation not supported";
+ break;
+ case -EUCLEAN: /* -117 */
+ errstr = "Filesystem corrupted";
+ break;
+ case -EDQUOT: /* -122 */
+ errstr = "Quota exceeded";
break;
}
@@ -1093,10 +1102,7 @@ char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info,
dirid = btrfs_root_ref_dirid(path->nodes[0], root_ref);
btrfs_release_path(path);
- key.objectid = subvol_objectid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- fs_root = btrfs_get_fs_root(fs_info, &key, true);
+ fs_root = btrfs_get_fs_root(fs_info, subvol_objectid, true);
if (IS_ERR(fs_root)) {
ret = PTR_ERR(fs_root);
fs_root = NULL;
@@ -1211,7 +1217,6 @@ static int btrfs_fill_super(struct super_block *sb,
{
struct inode *inode;
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
- struct btrfs_key key;
int err;
sb->s_maxbytes = MAX_LFS_FILESIZE;
@@ -1239,10 +1244,7 @@ static int btrfs_fill_super(struct super_block *sb,
return err;
}
- key.objectid = BTRFS_FIRST_FREE_OBJECTID;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- inode = btrfs_iget(sb, &key, fs_info->fs_root);
+ inode = btrfs_iget(sb, BTRFS_FIRST_FREE_OBJECTID, fs_info->fs_root);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto fail_close;
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 8cede6eb9843..b359d4b17658 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -21,6 +21,7 @@
#include "dev-replace.h"
#include "qgroup.h"
#include "block-group.h"
+#include "space-info.h"
#define BTRFS_ROOT_TRANS_TAG 0
@@ -141,7 +142,7 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction)
struct btrfs_block_group,
bg_list);
list_del_init(&cache->bg_list);
- btrfs_put_block_group_trimming(cache);
+ btrfs_unfreeze_block_group(cache);
btrfs_put_block_group(cache);
}
WARN_ON(!list_empty(&transaction->dev_update_list));
@@ -348,10 +349,10 @@ loop:
}
/*
- * this does all the record keeping required to make sure that a reference
- * counted root is properly recorded in a given transaction. This is required
- * to make sure the old root from before we joined the transaction is deleted
- * when the transaction commits
+ * This does all the record keeping required to make sure that a shareable root
+ * is properly recorded in a given transaction. This is required to make sure
+ * the old root from before we joined the transaction is deleted when the
+ * transaction commits.
*/
static int record_root_in_trans(struct btrfs_trans_handle *trans,
struct btrfs_root *root,
@@ -359,7 +360,7 @@ static int record_root_in_trans(struct btrfs_trans_handle *trans,
{
struct btrfs_fs_info *fs_info = root->fs_info;
- if ((test_bit(BTRFS_ROOT_REF_COWS, &root->state) &&
+ if ((test_bit(BTRFS_ROOT_SHAREABLE, &root->state) &&
root->last_trans < trans->transid) || force) {
WARN_ON(root == fs_info->extent_root);
WARN_ON(!force && root->commit_root != root->node);
@@ -438,7 +439,7 @@ int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans,
{
struct btrfs_fs_info *fs_info = root->fs_info;
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
return 0;
/*
@@ -503,7 +504,7 @@ static inline bool need_reserve_reloc_root(struct btrfs_root *root)
struct btrfs_fs_info *fs_info = root->fs_info;
if (!fs_info->reloc_ctl ||
- !test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
+ !test_bit(BTRFS_ROOT_SHAREABLE, &root->state) ||
root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID ||
root->reloc_root)
return false;
@@ -523,6 +524,7 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
u64 num_bytes = 0;
u64 qgroup_reserved = 0;
bool reloc_reserved = false;
+ bool do_chunk_alloc = false;
int ret;
/* Send isn't supposed to start transactions. */
@@ -563,7 +565,8 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
* refill that amount for whatever is missing in the reserve.
*/
num_bytes = btrfs_calc_insert_metadata_size(fs_info, num_items);
- if (delayed_refs_rsv->full == 0) {
+ if (flush == BTRFS_RESERVE_FLUSH_ALL &&
+ delayed_refs_rsv->full == 0) {
delayed_refs_bytes = num_bytes;
num_bytes <<= 1;
}
@@ -584,6 +587,9 @@ start_transaction(struct btrfs_root *root, unsigned int num_items,
delayed_refs_bytes);
num_bytes -= delayed_refs_bytes;
}
+
+ if (rsv->space_info->force_alloc)
+ do_chunk_alloc = true;
} else if (num_items == 0 && flush == BTRFS_RESERVE_FLUSH_ALL &&
!delayed_refs_rsv->full) {
/*
@@ -662,10 +668,32 @@ again:
}
got_it:
- btrfs_record_root_in_trans(h, root);
-
if (!current->journal_info)
current->journal_info = h;
+
+ /*
+ * If the space_info is marked ALLOC_FORCE then we'll get upgraded to
+ * ALLOC_FORCE the first run through, and then we won't allocate for
+ * anybody else who races in later. We don't care about the return
+ * value here.
+ */
+ if (do_chunk_alloc && num_bytes) {
+ u64 flags = h->block_rsv->space_info->flags;
+
+ btrfs_chunk_alloc(h, btrfs_get_alloc_profile(fs_info, flags),
+ CHUNK_ALLOC_NO_FORCE);
+ }
+
+ /*
+ * btrfs_record_root_in_trans() needs to alloc new extents, and may
+ * call btrfs_join_transaction() while we're also starting a
+ * transaction.
+ *
+ * Thus it need to be called after current->journal_info initialized,
+ * or we can deadlock.
+ */
+ btrfs_record_root_in_trans(h, root);
+
return h;
join_fail:
@@ -690,43 +718,10 @@ struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv(
struct btrfs_root *root,
- unsigned int num_items,
- int min_factor)
+ unsigned int num_items)
{
- struct btrfs_fs_info *fs_info = root->fs_info;
- struct btrfs_trans_handle *trans;
- u64 num_bytes;
- int ret;
-
- /*
- * We have two callers: unlink and block group removal. The
- * former should succeed even if we will temporarily exceed
- * quota and the latter operates on the extent root so
- * qgroup enforcement is ignored anyway.
- */
- trans = start_transaction(root, num_items, TRANS_START,
- BTRFS_RESERVE_FLUSH_ALL, false);
- if (!IS_ERR(trans) || PTR_ERR(trans) != -ENOSPC)
- return trans;
-
- trans = btrfs_start_transaction(root, 0);
- if (IS_ERR(trans))
- return trans;
-
- num_bytes = btrfs_calc_insert_metadata_size(fs_info, num_items);
- ret = btrfs_cond_migrate_bytes(fs_info, &fs_info->trans_block_rsv,
- num_bytes, min_factor);
- if (ret) {
- btrfs_end_transaction(trans);
- return ERR_PTR(ret);
- }
-
- trans->block_rsv = &fs_info->trans_block_rsv;
- trans->bytes_reserved = num_bytes;
- trace_btrfs_space_reservation(fs_info, "transaction",
- trans->transid, num_bytes, 1);
-
- return trans;
+ return start_transaction(root, num_items, TRANS_START,
+ BTRFS_RESERVE_FLUSH_ALL_STEAL, false);
}
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root)
@@ -1635,7 +1630,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
}
key.offset = (u64)-1;
- pending->snap = btrfs_get_fs_root(fs_info, &key, true);
+ pending->snap = btrfs_get_fs_root(fs_info, objectid, true);
if (IS_ERR(pending->snap)) {
ret = PTR_ERR(pending->snap);
btrfs_abort_transaction(trans, ret);
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h
index 31ae8d273065..bf102e64bfb2 100644
--- a/fs/btrfs/transaction.h
+++ b/fs/btrfs/transaction.h
@@ -193,8 +193,7 @@ struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
unsigned int num_items);
struct btrfs_trans_handle *btrfs_start_transaction_fallback_global_rsv(
struct btrfs_root *root,
- unsigned int num_items,
- int min_factor);
+ unsigned int num_items);
struct btrfs_trans_handle *btrfs_join_transaction(struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_join_transaction_spacecache(struct btrfs_root *root);
struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root);
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index a92f8a6dd192..517b44300a05 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -957,10 +957,6 @@ static int check_dev_item(struct extent_buffer *leaf,
return 0;
}
-/* Inode item error output has the same format as dir_item_err() */
-#define inode_item_err(eb, slot, fmt, ...) \
- dir_item_err(eb, slot, fmt, __VA_ARGS__)
-
static int check_inode_item(struct extent_buffer *leaf,
struct btrfs_key *key, int slot)
{
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index 5f9e2dd413af..16c3a6d2586d 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -35,7 +35,7 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
goto out;
}
- if (!test_bit(BTRFS_ROOT_REF_COWS, &root->state))
+ if (!test_bit(BTRFS_ROOT_SHAREABLE, &root->state))
goto out;
path = btrfs_alloc_path();
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index ec36a7c6ba3d..920cee312f4e 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -505,13 +505,8 @@ insert:
*/
if (S_ISREG(btrfs_inode_mode(eb, src_item)) &&
S_ISREG(btrfs_inode_mode(dst_eb, dst_item)) &&
- ino_size != 0) {
- struct btrfs_map_token token;
-
- btrfs_init_map_token(&token, dst_eb);
- btrfs_set_token_inode_size(dst_eb, dst_item,
- ino_size, &token);
- }
+ ino_size != 0)
+ btrfs_set_inode_size(dst_eb, dst_item, ino_size);
goto no_copy;
}
@@ -555,13 +550,9 @@ no_copy:
static noinline struct inode *read_one_inode(struct btrfs_root *root,
u64 objectid)
{
- struct btrfs_key key;
struct inode *inode;
- key.objectid = objectid;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- inode = btrfs_iget(root->fs_info->sb, &key, root);
+ inode = btrfs_iget(root->fs_info->sb, objectid, root);
if (IS_ERR(inode))
inode = NULL;
return inode;
@@ -3299,6 +3290,7 @@ static void free_log_tree(struct btrfs_trans_handle *trans,
clear_extent_bits(&log->dirty_log_pages, 0, (u64)-1,
EXTENT_DIRTY | EXTENT_NEW | EXTENT_NEED_WAIT);
+ extent_io_tree_release(&log->log_csum_range);
btrfs_put_root(log);
}
@@ -3816,8 +3808,7 @@ static int drop_objectid_items(struct btrfs_trans_handle *trans,
found_key.offset = 0;
found_key.type = 0;
- ret = btrfs_bin_search(path->nodes[0], &found_key, 0,
- &start_slot);
+ ret = btrfs_bin_search(path->nodes[0], &found_key, &start_slot);
if (ret < 0)
break;
@@ -3853,44 +3844,41 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
* just to say 'this inode exists' and a logging
* to say 'update this inode with these values'
*/
- btrfs_set_token_inode_generation(leaf, item, 0, &token);
- btrfs_set_token_inode_size(leaf, item, logged_isize, &token);
+ btrfs_set_token_inode_generation(&token, item, 0);
+ btrfs_set_token_inode_size(&token, item, logged_isize);
} else {
- btrfs_set_token_inode_generation(leaf, item,
- BTRFS_I(inode)->generation,
- &token);
- btrfs_set_token_inode_size(leaf, item, inode->i_size, &token);
- }
-
- btrfs_set_token_inode_uid(leaf, item, i_uid_read(inode), &token);
- btrfs_set_token_inode_gid(leaf, item, i_gid_read(inode), &token);
- btrfs_set_token_inode_mode(leaf, item, inode->i_mode, &token);
- btrfs_set_token_inode_nlink(leaf, item, inode->i_nlink, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->atime,
- inode->i_atime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->atime,
- inode->i_atime.tv_nsec, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->mtime,
- inode->i_mtime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->mtime,
- inode->i_mtime.tv_nsec, &token);
-
- btrfs_set_token_timespec_sec(leaf, &item->ctime,
- inode->i_ctime.tv_sec, &token);
- btrfs_set_token_timespec_nsec(leaf, &item->ctime,
- inode->i_ctime.tv_nsec, &token);
-
- btrfs_set_token_inode_nbytes(leaf, item, inode_get_bytes(inode),
- &token);
-
- btrfs_set_token_inode_sequence(leaf, item,
- inode_peek_iversion(inode), &token);
- btrfs_set_token_inode_transid(leaf, item, trans->transid, &token);
- btrfs_set_token_inode_rdev(leaf, item, inode->i_rdev, &token);
- btrfs_set_token_inode_flags(leaf, item, BTRFS_I(inode)->flags, &token);
- btrfs_set_token_inode_block_group(leaf, item, 0, &token);
+ btrfs_set_token_inode_generation(&token, item,
+ BTRFS_I(inode)->generation);
+ btrfs_set_token_inode_size(&token, item, inode->i_size);
+ }
+
+ btrfs_set_token_inode_uid(&token, item, i_uid_read(inode));
+ btrfs_set_token_inode_gid(&token, item, i_gid_read(inode));
+ btrfs_set_token_inode_mode(&token, item, inode->i_mode);
+ btrfs_set_token_inode_nlink(&token, item, inode->i_nlink);
+
+ btrfs_set_token_timespec_sec(&token, &item->atime,
+ inode->i_atime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->atime,
+ inode->i_atime.tv_nsec);
+
+ btrfs_set_token_timespec_sec(&token, &item->mtime,
+ inode->i_mtime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->mtime,
+ inode->i_mtime.tv_nsec);
+
+ btrfs_set_token_timespec_sec(&token, &item->ctime,
+ inode->i_ctime.tv_sec);
+ btrfs_set_token_timespec_nsec(&token, &item->ctime,
+ inode->i_ctime.tv_nsec);
+
+ btrfs_set_token_inode_nbytes(&token, item, inode_get_bytes(inode));
+
+ btrfs_set_token_inode_sequence(&token, item, inode_peek_iversion(inode));
+ btrfs_set_token_inode_transid(&token, item, trans->transid);
+ btrfs_set_token_inode_rdev(&token, item, inode->i_rdev);
+ btrfs_set_token_inode_flags(&token, item, BTRFS_I(inode)->flags);
+ btrfs_set_token_inode_block_group(&token, item, 0);
}
static int log_inode_item(struct btrfs_trans_handle *trans,
@@ -3916,9 +3904,21 @@ static int log_csums(struct btrfs_trans_handle *trans,
struct btrfs_root *log_root,
struct btrfs_ordered_sum *sums)
{
+ const u64 lock_end = sums->bytenr + sums->len - 1;
+ struct extent_state *cached_state = NULL;
int ret;
/*
+ * Serialize logging for checksums. This is to avoid racing with the
+ * same checksum being logged by another task that is logging another
+ * file which happens to refer to the same extent as well. Such races
+ * can leave checksum items in the log with overlapping ranges.
+ */
+ ret = lock_extent_bits(&log_root->log_csum_range, sums->bytenr,
+ lock_end, &cached_state);
+ if (ret)
+ return ret;
+ /*
* Due to extent cloning, we might have logged a csum item that covers a
* subrange of a cloned extent, and later we can end up logging a csum
* item for a larger subrange of the same extent or the entire range.
@@ -3928,10 +3928,13 @@ static int log_csums(struct btrfs_trans_handle *trans,
* trim and adjust) any existing csum items in the log for this range.
*/
ret = btrfs_del_csums(trans, log_root, sums->bytenr, sums->len);
- if (ret)
- return ret;
+ if (!ret)
+ ret = btrfs_csum_file_blocks(trans, log_root, sums);
- return btrfs_csum_file_blocks(trans, log_root, sums);
+ unlock_extent_cached(&log_root->log_csum_range, sums->bytenr, lock_end,
+ &cached_state);
+
+ return ret;
}
static noinline int copy_items(struct btrfs_trans_handle *trans,
@@ -4164,43 +4167,35 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
fi = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_file_extent_item);
- btrfs_set_token_file_extent_generation(leaf, fi, trans->transid,
- &token);
+ btrfs_set_token_file_extent_generation(&token, fi, trans->transid);
if (test_bit(EXTENT_FLAG_PREALLOC, &em->flags))
- btrfs_set_token_file_extent_type(leaf, fi,
- BTRFS_FILE_EXTENT_PREALLOC,
- &token);
+ btrfs_set_token_file_extent_type(&token, fi,
+ BTRFS_FILE_EXTENT_PREALLOC);
else
- btrfs_set_token_file_extent_type(leaf, fi,
- BTRFS_FILE_EXTENT_REG,
- &token);
+ btrfs_set_token_file_extent_type(&token, fi,
+ BTRFS_FILE_EXTENT_REG);
block_len = max(em->block_len, em->orig_block_len);
if (em->compress_type != BTRFS_COMPRESS_NONE) {
- btrfs_set_token_file_extent_disk_bytenr(leaf, fi,
- em->block_start,
- &token);
- btrfs_set_token_file_extent_disk_num_bytes(leaf, fi, block_len,
- &token);
+ btrfs_set_token_file_extent_disk_bytenr(&token, fi,
+ em->block_start);
+ btrfs_set_token_file_extent_disk_num_bytes(&token, fi, block_len);
} else if (em->block_start < EXTENT_MAP_LAST_BYTE) {
- btrfs_set_token_file_extent_disk_bytenr(leaf, fi,
+ btrfs_set_token_file_extent_disk_bytenr(&token, fi,
em->block_start -
- extent_offset, &token);
- btrfs_set_token_file_extent_disk_num_bytes(leaf, fi, block_len,
- &token);
+ extent_offset);
+ btrfs_set_token_file_extent_disk_num_bytes(&token, fi, block_len);
} else {
- btrfs_set_token_file_extent_disk_bytenr(leaf, fi, 0, &token);
- btrfs_set_token_file_extent_disk_num_bytes(leaf, fi, 0,
- &token);
- }
-
- btrfs_set_token_file_extent_offset(leaf, fi, extent_offset, &token);
- btrfs_set_token_file_extent_num_bytes(leaf, fi, em->len, &token);
- btrfs_set_token_file_extent_ram_bytes(leaf, fi, em->ram_bytes, &token);
- btrfs_set_token_file_extent_compression(leaf, fi, em->compress_type,
- &token);
- btrfs_set_token_file_extent_encryption(leaf, fi, 0, &token);
- btrfs_set_token_file_extent_other_encoding(leaf, fi, 0, &token);
+ btrfs_set_token_file_extent_disk_bytenr(&token, fi, 0);
+ btrfs_set_token_file_extent_disk_num_bytes(&token, fi, 0);
+ }
+
+ btrfs_set_token_file_extent_offset(&token, fi, extent_offset);
+ btrfs_set_token_file_extent_num_bytes(&token, fi, em->len);
+ btrfs_set_token_file_extent_ram_bytes(&token, fi, em->ram_bytes);
+ btrfs_set_token_file_extent_compression(&token, fi, em->compress_type);
+ btrfs_set_token_file_extent_encryption(&token, fi, 0);
+ btrfs_set_token_file_extent_other_encoding(&token, fi, 0);
btrfs_mark_buffer_dirty(leaf);
btrfs_release_path(path);
@@ -4226,6 +4221,9 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
const u64 ino = btrfs_ino(inode);
struct btrfs_path *dst_path = NULL;
bool dropped_extents = false;
+ u64 truncate_offset = i_size;
+ struct extent_buffer *leaf;
+ int slot;
int ins_nr = 0;
int start_slot;
int ret;
@@ -4240,9 +4238,43 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
if (ret < 0)
goto out;
+ /*
+ * We must check if there is a prealloc extent that starts before the
+ * i_size and crosses the i_size boundary. This is to ensure later we
+ * truncate down to the end of that extent and not to the i_size, as
+ * otherwise we end up losing part of the prealloc extent after a log
+ * replay and with an implicit hole if there is another prealloc extent
+ * that starts at an offset beyond i_size.
+ */
+ ret = btrfs_previous_item(root, path, ino, BTRFS_EXTENT_DATA_KEY);
+ if (ret < 0)
+ goto out;
+
+ if (ret == 0) {
+ struct btrfs_file_extent_item *ei;
+
+ leaf = path->nodes[0];
+ slot = path->slots[0];
+ ei = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item);
+
+ if (btrfs_file_extent_type(leaf, ei) ==
+ BTRFS_FILE_EXTENT_PREALLOC) {
+ u64 extent_end;
+
+ btrfs_item_key_to_cpu(leaf, &key, slot);
+ extent_end = key.offset +
+ btrfs_file_extent_num_bytes(leaf, ei);
+
+ if (extent_end > i_size)
+ truncate_offset = extent_end;
+ }
+ } else {
+ ret = 0;
+ }
+
while (true) {
- struct extent_buffer *leaf = path->nodes[0];
- int slot = path->slots[0];
+ leaf = path->nodes[0];
+ slot = path->slots[0];
if (slot >= btrfs_header_nritems(leaf)) {
if (ins_nr > 0) {
@@ -4280,7 +4312,7 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
ret = btrfs_truncate_inode_items(trans,
root->log_root,
&inode->vfs_inode,
- i_size,
+ truncate_offset,
BTRFS_EXTENT_DATA_KEY);
} while (ret == -EAGAIN);
if (ret)
@@ -4299,12 +4331,9 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
}
}
}
- if (ins_nr > 0) {
+ if (ins_nr > 0)
ret = copy_items(trans, inode, dst_path, path,
start_slot, ins_nr, 1, 0);
- if (ret > 0)
- ret = 0;
- }
out:
btrfs_release_path(path);
btrfs_free_path(dst_path);
@@ -4798,10 +4827,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
btrfs_release_path(path);
- key.objectid = ino;
- key.type = BTRFS_INODE_ITEM_KEY;
- key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &key, root);
+ inode = btrfs_iget(fs_info->sb, ino, root);
/*
* If the other inode that had a conflicting dir entry was
* deleted in the current transaction, we need to log its parent
@@ -4810,8 +4836,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
if (ret == -ENOENT) {
- key.objectid = parent;
- inode = btrfs_iget(fs_info->sb, &key, root);
+ inode = btrfs_iget(fs_info->sb, parent, root);
if (IS_ERR(inode)) {
ret = PTR_ERR(inode);
} else {
@@ -5550,7 +5575,7 @@ process_leaf:
continue;
btrfs_release_path(path);
- di_inode = btrfs_iget(fs_info->sb, &di_key, root);
+ di_inode = btrfs_iget(fs_info->sb, di_key.objectid, root);
if (IS_ERR(di_inode)) {
ret = PTR_ERR(di_inode);
goto next_dir_inode;
@@ -5676,7 +5701,8 @@ static int btrfs_log_all_parents(struct btrfs_trans_handle *trans,
cur_offset = item_size;
}
- dir_inode = btrfs_iget(fs_info->sb, &inode_key, root);
+ dir_inode = btrfs_iget(fs_info->sb, inode_key.objectid,
+ root);
/*
* If the parent inode was deleted, return an error to
* fallback to a transaction commit. This is to prevent
@@ -5743,14 +5769,17 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
int slot = path->slots[0];
struct btrfs_key search_key;
struct inode *inode;
+ u64 ino;
int ret = 0;
btrfs_release_path(path);
+ ino = found_key.offset;
+
search_key.objectid = found_key.offset;
search_key.type = BTRFS_INODE_ITEM_KEY;
search_key.offset = 0;
- inode = btrfs_iget(fs_info->sb, &search_key, root);
+ inode = btrfs_iget(fs_info->sb, ino, root);
if (IS_ERR(inode))
return PTR_ERR(inode);
@@ -6095,7 +6124,6 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)
struct btrfs_trans_handle *trans;
struct btrfs_key key;
struct btrfs_key found_key;
- struct btrfs_key tmp_key;
struct btrfs_root *log;
struct btrfs_fs_info *fs_info = log_root_tree->fs_info;
struct walk_control wc = {
@@ -6157,11 +6185,8 @@ again:
goto error;
}
- tmp_key.objectid = found_key.offset;
- tmp_key.type = BTRFS_ROOT_ITEM_KEY;
- tmp_key.offset = (u64)-1;
-
- wc.replay_dest = btrfs_get_fs_root(fs_info, &tmp_key, true);
+ wc.replay_dest = btrfs_get_fs_root(fs_info, found_key.offset,
+ true);
if (IS_ERR(wc.replay_dest)) {
ret = PTR_ERR(wc.replay_dest);
diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c
index 76671a6bcb61..28525ad7ff8c 100644
--- a/fs/btrfs/uuid-tree.c
+++ b/fs/btrfs/uuid-tree.c
@@ -257,7 +257,6 @@ out:
static int btrfs_check_uuid_tree_entry(struct btrfs_fs_info *fs_info,
u8 *uuid, u8 type, u64 subvolid)
{
- struct btrfs_key key;
int ret = 0;
struct btrfs_root *subvol_root;
@@ -265,10 +264,7 @@ static int btrfs_check_uuid_tree_entry(struct btrfs_fs_info *fs_info,
type != BTRFS_UUID_KEY_RECEIVED_SUBVOL)
goto out;
- key.objectid = subvolid;
- key.type = BTRFS_ROOT_ITEM_KEY;
- key.offset = (u64)-1;
- subvol_root = btrfs_get_fs_root(fs_info, &key, true);
+ subvol_root = btrfs_get_fs_root(fs_info, subvolid, true);
if (IS_ERR(subvol_root)) {
ret = PTR_ERR(subvol_root);
if (ret == -ENOENT)
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c1909e5f4506..0d6e785bcb98 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -280,10 +280,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info,
* ============
*
* uuid_mutex
- * volume_mutex
- * device_list_mutex
- * chunk_mutex
- * balance_mutex
+ * device_list_mutex
+ * chunk_mutex
+ * balance_mutex
*
*
* Exclusive operations, BTRFS_FS_EXCL_OP
@@ -1042,6 +1041,8 @@ again:
&device->dev_state)) {
if (!test_bit(BTRFS_DEV_STATE_REPLACE_TGT,
&device->dev_state) &&
+ !test_bit(BTRFS_DEV_STATE_MISSING,
+ &device->dev_state) &&
(!latest_dev ||
device->generation > latest_dev->generation)) {
latest_dev = device;
@@ -1185,7 +1186,6 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
{
struct btrfs_device *device;
struct btrfs_device *latest_dev = NULL;
- int ret = 0;
flags |= FMODE_EXCL;
@@ -1198,16 +1198,15 @@ static int open_fs_devices(struct btrfs_fs_devices *fs_devices,
device->generation > latest_dev->generation)
latest_dev = device;
}
- if (fs_devices->open_devices == 0) {
- ret = -EINVAL;
- goto out;
- }
+ if (fs_devices->open_devices == 0)
+ return -EINVAL;
+
fs_devices->opened = 1;
fs_devices->latest_bdev = latest_dev->bdev;
fs_devices->total_rw_bytes = 0;
fs_devices->chunk_alloc_policy = BTRFS_CHUNK_ALLOC_REGULAR;
-out:
- return ret;
+
+ return 0;
}
static int devid_cmp(void *priv, struct list_head *a, struct list_head *b)
@@ -1251,49 +1250,48 @@ void btrfs_release_disk_super(struct btrfs_super_block *super)
put_page(page);
}
-static int btrfs_read_disk_super(struct block_device *bdev, u64 bytenr,
- struct page **page,
- struct btrfs_super_block **disk_super)
+static struct btrfs_super_block *btrfs_read_disk_super(struct block_device *bdev,
+ u64 bytenr)
{
+ struct btrfs_super_block *disk_super;
+ struct page *page;
void *p;
pgoff_t index;
/* make sure our super fits in the device */
if (bytenr + PAGE_SIZE >= i_size_read(bdev->bd_inode))
- return 1;
+ return ERR_PTR(-EINVAL);
/* make sure our super fits in the page */
- if (sizeof(**disk_super) > PAGE_SIZE)
- return 1;
+ if (sizeof(*disk_super) > PAGE_SIZE)
+ return ERR_PTR(-EINVAL);
/* make sure our super doesn't straddle pages on disk */
index = bytenr >> PAGE_SHIFT;
- if ((bytenr + sizeof(**disk_super) - 1) >> PAGE_SHIFT != index)
- return 1;
+ if ((bytenr + sizeof(*disk_super) - 1) >> PAGE_SHIFT != index)
+ return ERR_PTR(-EINVAL);
/* pull in the page with our super */
- *page = read_cache_page_gfp(bdev->bd_inode->i_mapping,
- index, GFP_KERNEL);
+ page = read_cache_page_gfp(bdev->bd_inode->i_mapping, index, GFP_KERNEL);
- if (IS_ERR(*page))
- return 1;
+ if (IS_ERR(page))
+ return ERR_CAST(page);
- p = page_address(*page);
+ p = page_address(page);
/* align our pointer to the offset of the super block */
- *disk_super = p + offset_in_page(bytenr);
+ disk_super = p + offset_in_page(bytenr);
- if (btrfs_super_bytenr(*disk_super) != bytenr ||
- btrfs_super_magic(*disk_super) != BTRFS_MAGIC) {
+ if (btrfs_super_bytenr(disk_super) != bytenr ||
+ btrfs_super_magic(disk_super) != BTRFS_MAGIC) {
btrfs_release_disk_super(p);
- return 1;
+ return ERR_PTR(-EINVAL);
}
- if ((*disk_super)->label[0] &&
- (*disk_super)->label[BTRFS_LABEL_SIZE - 1])
- (*disk_super)->label[BTRFS_LABEL_SIZE - 1] = '\0';
+ if (disk_super->label[0] && disk_super->label[BTRFS_LABEL_SIZE - 1])
+ disk_super->label[BTRFS_LABEL_SIZE - 1] = 0;
- return 0;
+ return disk_super;
}
int btrfs_forget_devices(const char *path)
@@ -1319,7 +1317,6 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, fmode_t flags,
bool new_device_added = false;
struct btrfs_device *device = NULL;
struct block_device *bdev;
- struct page *page;
u64 bytenr;
lockdep_assert_held(&uuid_mutex);
@@ -1337,8 +1334,9 @@ struct btrfs_device *btrfs_scan_one_device(const char *path, fmode_t flags,
if (IS_ERR(bdev))
return ERR_CAST(bdev);
- if (btrfs_read_disk_super(bdev, bytenr, &page, &disk_super)) {
- device = ERR_PTR(-EINVAL);
+ disk_super = btrfs_read_disk_super(bdev, bytenr);
+ if (IS_ERR(disk_super)) {
+ device = ERR_CAST(disk_super);
goto error_bdev_put;
}
@@ -2663,8 +2661,18 @@ int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *device_path
ret = btrfs_commit_transaction(trans);
}
- /* Update ctime/mtime for libblkid */
+ /*
+ * Now that we have written a new super block to this device, check all
+ * other fs_devices list if device_path alienates any other scanned
+ * device.
+ * We can ignore the return value as it typically returns -EINVAL and
+ * only succeeds if the device was an alien.
+ */
+ btrfs_forget_devices(device_path);
+
+ /* Update ctime/mtime for blkid or udev */
update_dev_time(device_path);
+
return ret;
error_sysfs:
diff --git a/fs/buffer.c b/fs/buffer.c
index 599a0bf7257b..64fe82ec65ff 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -123,14 +123,6 @@ void __wait_on_buffer(struct buffer_head * bh)
}
EXPORT_SYMBOL(__wait_on_buffer);
-static void
-__clear_page_buffers(struct page *page)
-{
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
-}
-
static void buffer_io_error(struct buffer_head *bh, char *msg)
{
if (!test_bit(BH_Quiet, &bh->b_state))
@@ -906,7 +898,7 @@ link_dev_buffers(struct page *page, struct buffer_head *head)
bh = bh->b_this_page;
} while (bh);
tail->b_this_page = head;
- attach_page_buffers(page, head);
+ attach_page_private(page, head);
}
static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size)
@@ -967,7 +959,7 @@ grow_dev_page(struct block_device *bdev, sector_t block,
struct page *page;
struct buffer_head *bh;
sector_t end_block;
- int ret = 0; /* Will call free_more_memory() */
+ int ret = 0;
gfp_t gfp_mask;
gfp_mask = mapping_gfp_constraint(inode->i_mapping, ~__GFP_FS) | gfp;
@@ -1154,12 +1146,19 @@ EXPORT_SYMBOL(mark_buffer_dirty);
void mark_buffer_write_io_error(struct buffer_head *bh)
{
+ struct super_block *sb;
+
set_buffer_write_io_error(bh);
/* FIXME: do we need to set this in both places? */
if (bh->b_page && bh->b_page->mapping)
mapping_set_error(bh->b_page->mapping, -EIO);
if (bh->b_assoc_map)
mapping_set_error(bh->b_assoc_map, -EIO);
+ rcu_read_lock();
+ sb = READ_ONCE(bh->b_bdev->bd_super);
+ if (sb)
+ errseq_set(&sb->s_wb_err, -EIO);
+ rcu_read_unlock();
}
EXPORT_SYMBOL(mark_buffer_write_io_error);
@@ -1580,7 +1579,7 @@ void create_empty_buffers(struct page *page,
bh = bh->b_this_page;
} while (bh != head);
}
- attach_page_buffers(page, head);
+ attach_page_private(page, head);
spin_unlock(&page->mapping->private_lock);
}
EXPORT_SYMBOL(create_empty_buffers);
@@ -2567,7 +2566,7 @@ static void attach_nobh_buffers(struct page *page, struct buffer_head *head)
bh->b_this_page = head;
bh = bh->b_this_page;
} while (bh != head);
- attach_page_buffers(page, head);
+ attach_page_private(page, head);
spin_unlock(&page->mapping->private_lock);
}
@@ -3227,7 +3226,7 @@ drop_buffers(struct page *page, struct buffer_head **buffers_to_free)
bh = next;
} while (bh != head);
*buffers_to_free = head;
- __clear_page_buffers(page);
+ detach_page_private(page);
return 1;
failed:
return 0;
diff --git a/fs/cachefiles/Kconfig b/fs/cachefiles/Kconfig
index ae559ed5b3b3..ff9ca55a9ae9 100644
--- a/fs/cachefiles/Kconfig
+++ b/fs/cachefiles/Kconfig
@@ -8,7 +8,7 @@ config CACHEFILES
filesystems - primarily networking filesystems - thus allowing fast
local disk to enhance the speed of slower devices.
- See Documentation/filesystems/caching/cachefiles.txt for more
+ See Documentation/filesystems/caching/cachefiles.rst for more
information.
config CACHEFILES_DEBUG
@@ -36,5 +36,5 @@ config CACHEFILES_HISTOGRAM
bouncing between CPUs. On the other hand, the histogram may be
useful for debugging purposes. Saying 'N' here is recommended.
- See Documentation/filesystems/caching/cachefiles.txt for more
+ See Documentation/filesystems/caching/cachefiles.rst for more
information.
diff --git a/fs/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c
index 1dc97f2d6201..e7726f5f1241 100644
--- a/fs/cachefiles/rdwr.c
+++ b/fs/cachefiles/rdwr.c
@@ -60,9 +60,9 @@ static int cachefiles_read_waiter(wait_queue_entry_t *wait, unsigned mode,
object = container_of(op->op.object, struct cachefiles_object, fscache);
spin_lock(&object->work_lock);
list_add_tail(&monitor->op_link, &op->to_do);
+ fscache_enqueue_retrieval(op);
spin_unlock(&object->work_lock);
- fscache_enqueue_retrieval(op);
fscache_put_retrieval(op);
return 0;
}
@@ -398,7 +398,7 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
struct inode *inode;
sector_t block;
unsigned shift;
- int ret;
+ int ret, ret2;
object = container_of(op->op.object,
struct cachefiles_object, fscache);
@@ -430,8 +430,8 @@ int cachefiles_read_or_alloc_page(struct fscache_retrieval *op,
block = page->index;
block <<= shift;
- ret = bmap(inode, &block);
- ASSERT(ret < 0);
+ ret2 = bmap(inode, &block);
+ ASSERT(ret2 == 0);
_debug("%llx -> %llx",
(unsigned long long) (page->index << shift),
@@ -739,8 +739,8 @@ int cachefiles_read_or_alloc_pages(struct fscache_retrieval *op,
block = page->index;
block <<= shift;
- ret = bmap(inode, &block);
- ASSERT(!ret);
+ ret2 = bmap(inode, &block);
+ ASSERT(ret2 == 0);
_debug("%llx -> %llx",
(unsigned long long) (page->index << shift),
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 185db76300b3..f1acde6fb9a6 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2749,7 +2749,7 @@ int ceph_try_get_caps(struct inode *inode, int need, int want,
ret = try_get_cap_refs(inode, need, want, 0, flags, got);
/* three special error codes */
- if (ret == -EAGAIN || ret == -EFBIG || ret == -EAGAIN)
+ if (ret == -EAGAIN || ret == -EFBIG || ret == -ESTALE)
ret = 0;
return ret;
}
@@ -3746,6 +3746,7 @@ retry:
WARN_ON(1);
tsession = NULL;
target = -1;
+ mutex_lock(&session->s_mutex);
}
goto retry;
@@ -3990,7 +3991,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
__ceph_queue_cap_release(session, cap);
spin_unlock(&session->s_cap_lock);
}
- goto done;
+ goto flush_cap_releases;
}
/* these will work even if we don't have a cap yet */
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 481ac97b4d25..dcaed75de9e6 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -271,7 +271,7 @@ void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
&congestion_kb_fops);
snprintf(name, sizeof(name), "../../bdi/%s",
- dev_name(fsc->sb->s_bdi->dev));
+ bdi_dev_name(fsc->sb->s_bdi));
fsc->debugfs_bdi =
debugfs_create_symlink("bdi",
fsc->client->debugfs_dir,
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 486f91f9685b..7c63abf5bea9 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3251,8 +3251,7 @@ static void handle_session(struct ceph_mds_session *session,
void *end = p + msg->front.iov_len;
struct ceph_mds_session_head *h;
u32 op;
- u64 seq;
- unsigned long features = 0;
+ u64 seq, features = 0;
int wake = 0;
bool blacklisted = false;
@@ -3271,9 +3270,8 @@ static void handle_session(struct ceph_mds_session *session,
goto bad;
/* version >= 3, feature bits */
ceph_decode_32_safe(&p, end, len, bad);
- ceph_decode_need(&p, end, len, bad);
- memcpy(&features, p, min_t(size_t, len, sizeof(features)));
- p += len;
+ ceph_decode_64_safe(&p, end, features, bad);
+ p += len - sizeof(features);
}
mutex_lock(&mdsc->mutex);
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index de56dee60540..19507e2fdb57 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -159,8 +159,8 @@ static struct inode *lookup_quotarealm_inode(struct ceph_mds_client *mdsc,
}
if (IS_ERR(in)) {
- pr_warn("Can't lookup inode %llx (err: %ld)\n",
- realm->ino, PTR_ERR(in));
+ dout("Can't lookup inode %llx (err: %ld)\n",
+ realm->ino, PTR_ERR(in));
qri->timeout = jiffies + msecs_to_jiffies(60 * 1000); /* XXX */
} else {
qri->timeout = 0;
diff --git a/fs/char_dev.c b/fs/char_dev.c
index c5e6eff5a381..ba0ded7842a7 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -483,6 +483,9 @@ int cdev_add(struct cdev *p, dev_t dev, unsigned count)
p->dev = dev;
p->count = count;
+ if (WARN_ON(dev == WHITEOUT_DEV))
+ return -EBUSY;
+
error = kobj_map(cdev_map, dev, count, NULL,
exact_match, exact_lock, p);
if (error)
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 05dd3dea684b..39b708d9d86d 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1891,7 +1891,8 @@ GLOBAL_EXTERN struct list_head cifs_tcp_ses_list;
/*
* This lock protects the cifs_tcp_ses_list, the list of smb sessions per
* tcp session, and the list of tcon's per smb session. It also protects
- * the reference counters for the server, smb session, and tcon. Finally,
+ * the reference counters for the server, smb session, and tcon. It also
+ * protects some fields in the TCP_Server_Info struct such as dstaddr. Finally,
* changes to the tcon->tidStatus should be done while holding this lock.
* generally the locks should be taken in order tcp_ses_lock before
* tcon->open_file_lock and that before file->file_info_lock since the
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 182b864b3075..5014a82391ff 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2152,8 +2152,8 @@ cifs_writev_requeue(struct cifs_writedata *wdata)
}
}
+ kref_put(&wdata2->refcount, cifs_writedata_release);
if (rc) {
- kref_put(&wdata2->refcount, cifs_writedata_release);
if (is_retryable_error(rc))
continue;
i += nr_pages;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 95b3ab0ca8c0..ad8fb53b3682 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -375,8 +375,10 @@ static int reconn_set_ipaddr(struct TCP_Server_Info *server)
return rc;
}
+ spin_lock(&cifs_tcp_ses_lock);
rc = cifs_convert_address((struct sockaddr *)&server->dstaddr, ipaddr,
strlen(ipaddr));
+ spin_unlock(&cifs_tcp_ses_lock);
kfree(ipaddr);
return !rc ? -1 : 0;
@@ -3373,6 +3375,10 @@ cifs_find_tcon(struct cifs_ses *ses, struct smb_vol *volume_info)
spin_lock(&cifs_tcp_ses_lock);
list_for_each(tmp, &ses->tcon_list) {
tcon = list_entry(tmp, struct cifs_tcon, tcon_list);
+#ifdef CONFIG_CIFS_DFS_UPCALL
+ if (tcon->dfs_path)
+ continue;
+#endif
if (!match_tcon(tcon, volume_info))
continue;
++tcon->tc_count;
@@ -3923,14 +3929,8 @@ generic_ip_connect(struct TCP_Server_Info *server)
socket->sk->sk_rcvbuf = 140 * 1024;
}
- if (server->tcp_nodelay) {
- int val = 1;
- rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY,
- (char *)&val, sizeof(val));
- if (rc)
- cifs_dbg(FYI, "set TCP_NODELAY socket option error %d\n",
- rc);
- }
+ if (server->tcp_nodelay)
+ tcp_sock_set_nodelay(socket->sk);
cifs_dbg(FYI, "sndbuf %d rcvbuf %d rcvtimeo 0x%lx\n",
socket->sk->sk_sndbuf,
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 0b1528edebcf..17a4f49c34f5 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -4060,7 +4060,7 @@ cifs_read(struct file *file, char *read_data, size_t read_size, loff_t *offset)
* than it negotiated since it will refuse the read
* then.
*/
- if ((tcon->ses) && !(tcon->ses->capabilities &
+ if (!(tcon->ses->capabilities &
tcon->ses->server->vals->cap_large_files)) {
current_read_size = min_t(uint,
current_read_size, CIFSMaxBufSize);
@@ -4162,7 +4162,7 @@ cifs_readv_complete(struct work_struct *work)
for (i = 0; i < rdata->nr_pages; i++) {
struct page *page = rdata->pages[i];
- lru_cache_add_file(page);
+ lru_cache_add(page);
if (rdata->result == 0 ||
(rdata->result == -EAGAIN && got_bytes)) {
@@ -4232,7 +4232,7 @@ readpages_fill_pages(struct TCP_Server_Info *server,
* fill them until the writes are flushed.
*/
zero_user(page, 0, PAGE_SIZE);
- lru_cache_add_file(page);
+ lru_cache_add(page);
flush_dcache_page(page);
SetPageUptodate(page);
unlock_page(page);
@@ -4242,7 +4242,7 @@ readpages_fill_pages(struct TCP_Server_Info *server,
continue;
} else {
/* no need to hold page hostage */
- lru_cache_add_file(page);
+ lru_cache_add(page);
unlock_page(page);
put_page(page);
rdata->pages[i] = NULL;
@@ -4437,7 +4437,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
/* best to give up if we're out of mem */
list_for_each_entry_safe(page, tpage, &tmplist, lru) {
list_del(&page->lru);
- lru_cache_add_file(page);
+ lru_cache_add(page);
unlock_page(page);
put_page(page);
}
@@ -4475,7 +4475,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
add_credits_and_wake_if(server, &rdata->credits, 0);
for (i = 0; i < rdata->nr_pages; i++) {
page = rdata->pages[i];
- lru_cache_add_file(page);
+ lru_cache_add(page);
unlock_page(page);
put_page(page);
}
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 390d2b15ef6e..5d2965a23730 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -730,7 +730,7 @@ static __u64 simple_hashstr(const char *str)
* cifs_backup_query_path_info - SMB1 fallback code to get ino
*
* Fallback code to get file metadata when we don't have access to
- * @full_path (EACCESS) and have backup creds.
+ * @full_path (EACCES) and have backup creds.
*
* @data will be set to search info result buffer
* @resp_buf will be set to cifs resp buf and needs to be freed with
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index a456febd4109..550ce9020a3e 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -1025,51 +1025,99 @@ int copy_path_name(char *dst, const char *src)
}
struct super_cb_data {
- struct TCP_Server_Info *server;
+ void *data;
struct super_block *sb;
};
-static void super_cb(struct super_block *sb, void *arg)
+static void tcp_super_cb(struct super_block *sb, void *arg)
{
- struct super_cb_data *d = arg;
+ struct super_cb_data *sd = arg;
+ struct TCP_Server_Info *server = sd->data;
struct cifs_sb_info *cifs_sb;
struct cifs_tcon *tcon;
- if (d->sb)
+ if (sd->sb)
return;
cifs_sb = CIFS_SB(sb);
tcon = cifs_sb_master_tcon(cifs_sb);
- if (tcon->ses->server == d->server)
- d->sb = sb;
+ if (tcon->ses->server == server)
+ sd->sb = sb;
}
-struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server)
+static struct super_block *__cifs_get_super(void (*f)(struct super_block *, void *),
+ void *data)
{
- struct super_cb_data d = {
- .server = server,
+ struct super_cb_data sd = {
+ .data = data,
.sb = NULL,
};
- iterate_supers_type(&cifs_fs_type, super_cb, &d);
+ iterate_supers_type(&cifs_fs_type, f, &sd);
- if (unlikely(!d.sb))
- return ERR_PTR(-ENOENT);
+ if (!sd.sb)
+ return ERR_PTR(-EINVAL);
/*
* Grab an active reference in order to prevent automounts (DFS links)
* of expiring and then freeing up our cifs superblock pointer while
* we're doing failover.
*/
- cifs_sb_active(d.sb);
- return d.sb;
+ cifs_sb_active(sd.sb);
+ return sd.sb;
}
-void cifs_put_tcp_super(struct super_block *sb)
+static void __cifs_put_super(struct super_block *sb)
{
if (!IS_ERR_OR_NULL(sb))
cifs_sb_deactive(sb);
}
+struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server)
+{
+ return __cifs_get_super(tcp_super_cb, server);
+}
+
+void cifs_put_tcp_super(struct super_block *sb)
+{
+ __cifs_put_super(sb);
+}
+
+#ifdef CONFIG_CIFS_DFS_UPCALL
+static void tcon_super_cb(struct super_block *sb, void *arg)
+{
+ struct super_cb_data *sd = arg;
+ struct cifs_tcon *tcon = sd->data;
+ struct cifs_sb_info *cifs_sb;
+
+ if (sd->sb)
+ return;
+
+ cifs_sb = CIFS_SB(sb);
+ if (tcon->dfs_path && cifs_sb->origin_fullpath &&
+ !strcasecmp(tcon->dfs_path, cifs_sb->origin_fullpath))
+ sd->sb = sb;
+}
+
+static inline struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon)
+{
+ return __cifs_get_super(tcon_super_cb, tcon);
+}
+
+static inline void cifs_put_tcon_super(struct super_block *sb)
+{
+ __cifs_put_super(sb);
+}
+#else
+static inline struct super_block *cifs_get_tcon_super(struct cifs_tcon *tcon)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void cifs_put_tcon_super(struct super_block *sb)
+{
+}
+#endif
+
int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
size_t prefix_len)
{
@@ -1077,7 +1125,7 @@ int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
struct cifs_sb_info *cifs_sb;
int rc = 0;
- sb = cifs_get_tcp_super(tcon->ses->server);
+ sb = cifs_get_tcon_super(tcon);
if (IS_ERR(sb))
return PTR_ERR(sb);
@@ -1099,6 +1147,6 @@ int update_super_prepath(struct cifs_tcon *tcon, const char *prefix,
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
out:
- cifs_put_tcp_super(sb);
+ cifs_put_tcon_super(sb);
return rc;
}
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index b36c46f48705..f829f4165d38 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -687,6 +687,11 @@ int open_shroot(unsigned int xid, struct cifs_tcon *tcon,
if (smb3_encryption_required(tcon))
flags |= CIFS_TRANSFORM_REQ;
+ if (!server->ops->new_lease_key)
+ return -EIO;
+
+ server->ops->new_lease_key(pfid);
+
memset(rqst, 0, sizeof(rqst));
resp_buftype[0] = resp_buftype[1] = CIFS_NO_BUFFER;
memset(rsp_iov, 0, sizeof(rsp_iov));
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index c97570eb2c18..99760063e000 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -325,7 +325,6 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
size_t total_len = 0, sent, size;
struct socket *ssocket = server->ssocket;
struct msghdr smb_msg;
- int val = 1;
__be32 rfc1002_marker;
if (cifs_rdma_enabled(server)) {
@@ -345,8 +344,7 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
}
/* cork the socket */
- kernel_setsockopt(ssocket, SOL_TCP, TCP_CORK,
- (char *)&val, sizeof(val));
+ tcp_sock_set_cork(ssocket->sk, true);
for (j = 0; j < num_rqst; j++)
send_length += smb_rqst_len(server, &rqst[j]);
@@ -435,9 +433,7 @@ unmask:
}
/* uncork it */
- val = 0;
- kernel_setsockopt(ssocket, SOL_TCP, TCP_CORK,
- (char *)&val, sizeof(val));
+ tcp_sock_set_cork(ssocket->sk, false);
if ((total_len > 0) && (total_len != send_length)) {
cifs_dbg(FYI, "partial send (wanted=%u sent=%zu): terminating session\n",
diff --git a/fs/coda/Kconfig b/fs/coda/Kconfig
index ae6759f9594a..c3477eeafb3f 100644
--- a/fs/coda/Kconfig
+++ b/fs/coda/Kconfig
@@ -15,7 +15,7 @@ config CODA_FS
*client*. You will need user level code as well, both for the
client and server. Servers are currently user level, i.e. they need
no kernel support. Please read
- <file:Documentation/filesystems/coda.txt> and check out the Coda
+ <file:Documentation/filesystems/coda.rst> and check out the Coda
home page <http://www.coda.cs.cmu.edu/>.
To compile the coda client support as a module, choose M here: the
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index aaad4ca1217e..e61f3fe8e32a 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -17,6 +17,8 @@
#include <linux/elfcore-compat.h>
#include <linux/time.h>
+#define ELF_COMPAT 1
+
/*
* Rename the basic ELF layout types to refer to the 32-bit class of files.
*/
@@ -28,18 +30,20 @@
#undef elf_shdr
#undef elf_note
#undef elf_addr_t
+#undef ELF_GNU_PROPERTY_ALIGN
#define elfhdr elf32_hdr
#define elf_phdr elf32_phdr
#define elf_shdr elf32_shdr
#define elf_note elf32_note
#define elf_addr_t Elf32_Addr
+#define ELF_GNU_PROPERTY_ALIGN ELF32_GNU_PROPERTY_ALIGN
/*
* Some data types as stored in coredump.
*/
#define user_long_t compat_long_t
#define user_siginfo_t compat_siginfo_t
-#define copy_siginfo_to_user copy_siginfo_to_user32
+#define copy_siginfo_to_external copy_siginfo_to_external32
/*
* The machine-dependent core note format types are defined in elfcore-compat.h,
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index cf7b7e1d5bd7..cb733652ecca 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1519,6 +1519,7 @@ static int configfs_rmdir(struct inode *dir, struct dentry *dentry)
spin_lock(&configfs_dirent_lock);
configfs_detach_rollback(dentry);
spin_unlock(&configfs_dirent_lock);
+ config_item_put(parent_item);
return -EINTR;
}
frag->frag_dead = true;
diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c
index fd0b5dd68f9e..8bd6a883c94c 100644
--- a/fs/configfs/inode.c
+++ b/fs/configfs/inode.c
@@ -9,7 +9,7 @@
*
* configfs Copyright (C) 2005 Oracle. All rights reserved.
*
- * Please see Documentation/filesystems/configfs/configfs.txt for more
+ * Please see Documentation/filesystems/configfs.rst for more
* information.
*/
diff --git a/fs/configfs/item.c b/fs/configfs/item.c
index 6e0f1fcb8a5b..704a4356f137 100644
--- a/fs/configfs/item.c
+++ b/fs/configfs/item.c
@@ -9,7 +9,7 @@
*
* configfs Copyright (C) 2005 Oracle. All rights reserved.
*
- * Please see the file Documentation/filesystems/configfs/configfs.txt for
+ * Please see the file Documentation/filesystems/configfs.rst for
* critical information about using the config_item interface.
*/
diff --git a/fs/coredump.c b/fs/coredump.c
index f8296a82d01d..478a0d810136 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -211,6 +211,8 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm,
return -ENOMEM;
(*argv)[(*argc)++] = 0;
++pat_ptr;
+ if (!(*pat_ptr))
+ return -ENOMEM;
}
/* Repeat as long as we have more pattern to process and more output
@@ -786,6 +788,14 @@ void do_coredump(const kernel_siginfo_t *siginfo)
if (displaced)
put_files_struct(displaced);
if (!dump_interrupted()) {
+ /*
+ * umh disabled with CONFIG_STATIC_USERMODEHELPER_PATH="" would
+ * have this set to NULL.
+ */
+ if (!cprm.file) {
+ pr_info("Core dump to |%s disabled\n", cn.corename);
+ goto close_fail;
+ }
file_start_write(cprm.file);
core_dumped = binfmt->core_dump(&cprm);
file_end_write(cprm.file);
diff --git a/fs/cramfs/Kconfig b/fs/cramfs/Kconfig
index c8bebb70a971..d98cef0dbb6b 100644
--- a/fs/cramfs/Kconfig
+++ b/fs/cramfs/Kconfig
@@ -9,7 +9,7 @@ config CRAMFS
limited to 256MB file systems (with 16MB files), and doesn't support
16/32 bits uid/gid, hard links and timestamps.
- See <file:Documentation/filesystems/cramfs.txt> and
+ See <file:Documentation/filesystems/cramfs.rst> and
<file:fs/cramfs/README> for further information.
To compile this as a module, choose M here: the module will be called
diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c
index 1ecaac7ee3cb..ed015cb66c7c 100644
--- a/fs/crypto/crypto.c
+++ b/fs/crypto/crypto.c
@@ -54,6 +54,7 @@ struct page *fscrypt_alloc_bounce_page(gfp_t gfp_flags)
/**
* fscrypt_free_bounce_page() - free a ciphertext bounce page
+ * @bounce_page: the bounce page to free, or NULL
*
* Free a bounce page that was allocated by fscrypt_encrypt_pagecache_blocks(),
* or by fscrypt_alloc_bounce_page() directly.
@@ -76,8 +77,12 @@ void fscrypt_generate_iv(union fscrypt_iv *iv, u64 lblk_num,
memset(iv, 0, ci->ci_mode->ivsize);
if (flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64) {
- WARN_ON_ONCE((u32)lblk_num != lblk_num);
+ WARN_ON_ONCE(lblk_num > U32_MAX);
+ WARN_ON_ONCE(ci->ci_inode->i_ino > U32_MAX);
lblk_num |= (u64)ci->ci_inode->i_ino << 32;
+ } else if (flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32) {
+ WARN_ON_ONCE(lblk_num > U32_MAX);
+ lblk_num = (u32)(ci->ci_hashed_ino + lblk_num);
} else if (flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY) {
memcpy(iv->nonce, ci->ci_nonce, FS_KEY_DERIVATION_NONCE_SIZE);
}
@@ -132,7 +137,8 @@ int fscrypt_crypt_block(const struct inode *inode, fscrypt_direction_t rw,
}
/**
- * fscrypt_encrypt_pagecache_blocks() - Encrypt filesystem blocks from a pagecache page
+ * fscrypt_encrypt_pagecache_blocks() - Encrypt filesystem blocks from a
+ * pagecache page
* @page: The locked pagecache page containing the block(s) to encrypt
* @len: Total size of the block(s) to encrypt. Must be a nonzero
* multiple of the filesystem's block size.
@@ -222,7 +228,8 @@ int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page,
EXPORT_SYMBOL(fscrypt_encrypt_block_inplace);
/**
- * fscrypt_decrypt_pagecache_blocks() - Decrypt filesystem blocks in a pagecache page
+ * fscrypt_decrypt_pagecache_blocks() - Decrypt filesystem blocks in a
+ * pagecache page
* @page: The locked pagecache page containing the block(s) to decrypt
* @len: Total size of the block(s) to decrypt. Must be a nonzero
* multiple of the filesystem's block size.
@@ -346,6 +353,8 @@ void fscrypt_msg(const struct inode *inode, const char *level,
/**
* fscrypt_init() - Set up for fs encryption.
+ *
+ * Return: 0 on success; -errno on failure
*/
static int __init fscrypt_init(void)
{
diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c
index 4c212442a8f7..83ca5f1e7934 100644
--- a/fs/crypto/fname.c
+++ b/fs/crypto/fname.c
@@ -18,7 +18,7 @@
#include <crypto/skcipher.h>
#include "fscrypt_private.h"
-/**
+/*
* struct fscrypt_nokey_name - identifier for directory entry when key is absent
*
* When userspace lists an encrypted directory without access to the key, the
@@ -83,13 +83,8 @@ static int fscrypt_do_sha256(const u8 *data, unsigned int data_len, u8 *result)
tfm = prev_tfm;
}
}
- {
- SHASH_DESC_ON_STACK(desc, tfm);
- desc->tfm = tfm;
-
- return crypto_shash_digest(desc, data, data_len, result);
- }
+ return crypto_shash_tfm_digest(tfm, data, data_len, result);
}
static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
@@ -105,9 +100,12 @@ static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
/**
* fscrypt_fname_encrypt() - encrypt a filename
- *
- * The output buffer must be at least as large as the input buffer.
- * Any extra space is filled with NUL padding before encryption.
+ * @inode: inode of the parent directory (for regular filenames)
+ * or of the symlink (for symlink targets)
+ * @iname: the filename to encrypt
+ * @out: (output) the encrypted filename
+ * @olen: size of the encrypted filename. It must be at least @iname->len.
+ * Any extra space is filled with NUL padding before encryption.
*
* Return: 0 on success, -errno on failure
*/
@@ -157,8 +155,11 @@ int fscrypt_fname_encrypt(const struct inode *inode, const struct qstr *iname,
/**
* fname_decrypt() - decrypt a filename
- *
- * The caller must have allocated sufficient memory for the @oname string.
+ * @inode: inode of the parent directory (for regular filenames)
+ * or of the symlink (for symlink targets)
+ * @iname: the encrypted filename to decrypt
+ * @oname: (output) the decrypted filename. The caller must have allocated
+ * enough space for this, e.g. using fscrypt_fname_alloc_buffer().
*
* Return: 0 on success, -errno on failure
*/
@@ -206,7 +207,10 @@ static const char lookup_table[65] =
#define BASE64_CHARS(nbytes) DIV_ROUND_UP((nbytes) * 4, 3)
/**
- * base64_encode() -
+ * base64_encode() - base64-encode some bytes
+ * @src: the bytes to encode
+ * @len: number of bytes to encode
+ * @dst: (output) the base64-encoded string. Not NUL-terminated.
*
* Encodes the input string using characters from the set [A-Za-z0-9+,].
* The encoded string is roughly 4/3 times the size of the input string.
@@ -272,7 +276,12 @@ bool fscrypt_fname_encrypted_size(const struct inode *inode, u32 orig_len,
}
/**
- * fscrypt_fname_alloc_buffer - allocate a buffer for presented filenames
+ * fscrypt_fname_alloc_buffer() - allocate a buffer for presented filenames
+ * @inode: inode of the parent directory (for regular filenames)
+ * or of the symlink (for symlink targets)
+ * @max_encrypted_len: maximum length of encrypted filenames the buffer will be
+ * used to present
+ * @crypto_str: (output) buffer to allocate
*
* Allocate a buffer that is large enough to hold any decrypted or encoded
* filename (null-terminated), for the given maximum encrypted filename length.
@@ -297,9 +306,10 @@ int fscrypt_fname_alloc_buffer(const struct inode *inode,
EXPORT_SYMBOL(fscrypt_fname_alloc_buffer);
/**
- * fscrypt_fname_free_buffer - free the buffer for presented filenames
+ * fscrypt_fname_free_buffer() - free a buffer for presented filenames
+ * @crypto_str: the buffer to free
*
- * Free the buffer allocated by fscrypt_fname_alloc_buffer().
+ * Free a buffer that was allocated by fscrypt_fname_alloc_buffer().
*/
void fscrypt_fname_free_buffer(struct fscrypt_str *crypto_str)
{
@@ -311,10 +321,19 @@ void fscrypt_fname_free_buffer(struct fscrypt_str *crypto_str)
EXPORT_SYMBOL(fscrypt_fname_free_buffer);
/**
- * fscrypt_fname_disk_to_usr() - converts a filename from disk space to user
- * space
- *
- * The caller must have allocated sufficient memory for the @oname string.
+ * fscrypt_fname_disk_to_usr() - convert an encrypted filename to
+ * user-presentable form
+ * @inode: inode of the parent directory (for regular filenames)
+ * or of the symlink (for symlink targets)
+ * @hash: first part of the name's dirhash, if applicable. This only needs to
+ * be provided if the filename is located in an indexed directory whose
+ * encryption key may be unavailable. Not needed for symlink targets.
+ * @minor_hash: second part of the name's dirhash, if applicable
+ * @iname: encrypted filename to convert. May also be "." or "..", which
+ * aren't actually encrypted.
+ * @oname: output buffer for the user-presentable filename. The caller must
+ * have allocated enough space for this, e.g. using
+ * fscrypt_fname_alloc_buffer().
*
* If the key is available, we'll decrypt the disk name. Otherwise, we'll
* encode it for presentation in fscrypt_nokey_name format.
diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h
index dbced2937ec8..eb7fcd2b7fb8 100644
--- a/fs/crypto/fscrypt_private.h
+++ b/fs/crypto/fscrypt_private.h
@@ -43,7 +43,7 @@ struct fscrypt_context_v2 {
u8 nonce[FS_KEY_DERIVATION_NONCE_SIZE];
};
-/**
+/*
* fscrypt_context - the encryption context of an inode
*
* This is the on-disk equivalent of an fscrypt_policy, stored alongside each
@@ -157,7 +157,7 @@ fscrypt_policy_flags(const union fscrypt_policy *policy)
BUG();
}
-/**
+/*
* For encrypted symlinks, the ciphertext length is stored at the beginning
* of the string in little-endian format.
*/
@@ -222,6 +222,9 @@ struct fscrypt_info {
/* This inode's nonce, copied from the fscrypt_context */
u8 ci_nonce[FS_KEY_DERIVATION_NONCE_SIZE];
+
+ /* Hashed inode number. Only set for IV_INO_LBLK_32 */
+ u32 ci_hashed_ino;
};
typedef enum {
@@ -231,15 +234,14 @@ typedef enum {
/* crypto.c */
extern struct kmem_cache *fscrypt_info_cachep;
-extern int fscrypt_initialize(unsigned int cop_flags);
-extern int fscrypt_crypt_block(const struct inode *inode,
- fscrypt_direction_t rw, u64 lblk_num,
- struct page *src_page, struct page *dest_page,
- unsigned int len, unsigned int offs,
- gfp_t gfp_flags);
-extern struct page *fscrypt_alloc_bounce_page(gfp_t gfp_flags);
-
-extern void __printf(3, 4) __cold
+int fscrypt_initialize(unsigned int cop_flags);
+int fscrypt_crypt_block(const struct inode *inode, fscrypt_direction_t rw,
+ u64 lblk_num, struct page *src_page,
+ struct page *dest_page, unsigned int len,
+ unsigned int offs, gfp_t gfp_flags);
+struct page *fscrypt_alloc_bounce_page(gfp_t gfp_flags);
+
+void __printf(3, 4) __cold
fscrypt_msg(const struct inode *inode, const char *level, const char *fmt, ...);
#define fscrypt_warn(inode, fmt, ...) \
@@ -264,12 +266,10 @@ void fscrypt_generate_iv(union fscrypt_iv *iv, u64 lblk_num,
const struct fscrypt_info *ci);
/* fname.c */
-extern int fscrypt_fname_encrypt(const struct inode *inode,
- const struct qstr *iname,
- u8 *out, unsigned int olen);
-extern bool fscrypt_fname_encrypted_size(const struct inode *inode,
- u32 orig_len, u32 max_len,
- u32 *encrypted_len_ret);
+int fscrypt_fname_encrypt(const struct inode *inode, const struct qstr *iname,
+ u8 *out, unsigned int olen);
+bool fscrypt_fname_encrypted_size(const struct inode *inode, u32 orig_len,
+ u32 max_len, u32 *encrypted_len_ret);
extern const struct dentry_operations fscrypt_d_ops;
/* hkdf.c */
@@ -278,8 +278,8 @@ struct fscrypt_hkdf {
struct crypto_shash *hmac_tfm;
};
-extern int fscrypt_init_hkdf(struct fscrypt_hkdf *hkdf, const u8 *master_key,
- unsigned int master_key_size);
+int fscrypt_init_hkdf(struct fscrypt_hkdf *hkdf, const u8 *master_key,
+ unsigned int master_key_size);
/*
* The list of contexts in which fscrypt uses HKDF. These values are used as
@@ -293,12 +293,14 @@ extern int fscrypt_init_hkdf(struct fscrypt_hkdf *hkdf, const u8 *master_key,
#define HKDF_CONTEXT_DIRECT_KEY 3
#define HKDF_CONTEXT_IV_INO_LBLK_64_KEY 4
#define HKDF_CONTEXT_DIRHASH_KEY 5
+#define HKDF_CONTEXT_IV_INO_LBLK_32_KEY 6
+#define HKDF_CONTEXT_INODE_HASH_KEY 7
-extern int fscrypt_hkdf_expand(const struct fscrypt_hkdf *hkdf, u8 context,
- const u8 *info, unsigned int infolen,
- u8 *okm, unsigned int okmlen);
+int fscrypt_hkdf_expand(const struct fscrypt_hkdf *hkdf, u8 context,
+ const u8 *info, unsigned int infolen,
+ u8 *okm, unsigned int okmlen);
-extern void fscrypt_destroy_hkdf(struct fscrypt_hkdf *hkdf);
+void fscrypt_destroy_hkdf(struct fscrypt_hkdf *hkdf);
/* keyring.c */
@@ -389,14 +391,17 @@ struct fscrypt_master_key {
struct list_head mk_decrypted_inodes;
spinlock_t mk_decrypted_inodes_lock;
- /* Crypto API transforms for DIRECT_KEY policies, allocated on-demand */
- struct crypto_skcipher *mk_direct_tfms[__FSCRYPT_MODE_MAX + 1];
-
/*
- * Crypto API transforms for filesystem-layer implementation of
- * IV_INO_LBLK_64 policies, allocated on-demand.
+ * Per-mode encryption keys for the various types of encryption policies
+ * that use them. Allocated and derived on-demand.
*/
- struct crypto_skcipher *mk_iv_ino_lblk_64_tfms[__FSCRYPT_MODE_MAX + 1];
+ struct crypto_skcipher *mk_direct_keys[__FSCRYPT_MODE_MAX + 1];
+ struct crypto_skcipher *mk_iv_ino_lblk_64_keys[__FSCRYPT_MODE_MAX + 1];
+ struct crypto_skcipher *mk_iv_ino_lblk_32_keys[__FSCRYPT_MODE_MAX + 1];
+
+ /* Hash key for inode numbers. Initialized only when needed. */
+ siphash_key_t mk_ino_hash_key;
+ bool mk_ino_hash_key_initialized;
} __randomize_layout;
@@ -436,14 +441,17 @@ static inline int master_key_spec_len(const struct fscrypt_key_specifier *spec)
return 0;
}
-extern struct key *
+struct key *
fscrypt_find_master_key(struct super_block *sb,
const struct fscrypt_key_specifier *mk_spec);
-extern int fscrypt_verify_key_added(struct super_block *sb,
- const u8 identifier[FSCRYPT_KEY_IDENTIFIER_SIZE]);
+int fscrypt_add_test_dummy_key(struct super_block *sb,
+ struct fscrypt_key_specifier *key_spec);
+
+int fscrypt_verify_key_added(struct super_block *sb,
+ const u8 identifier[FSCRYPT_KEY_IDENTIFIER_SIZE]);
-extern int __init fscrypt_init_keyring(void);
+int __init fscrypt_init_keyring(void);
/* keysetup.c */
@@ -457,33 +465,32 @@ struct fscrypt_mode {
extern struct fscrypt_mode fscrypt_modes[];
-extern struct crypto_skcipher *
-fscrypt_allocate_skcipher(struct fscrypt_mode *mode, const u8 *raw_key,
- const struct inode *inode);
+struct crypto_skcipher *fscrypt_allocate_skcipher(struct fscrypt_mode *mode,
+ const u8 *raw_key,
+ const struct inode *inode);
-extern int fscrypt_set_per_file_enc_key(struct fscrypt_info *ci,
- const u8 *raw_key);
+int fscrypt_set_per_file_enc_key(struct fscrypt_info *ci, const u8 *raw_key);
-extern int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
- const struct fscrypt_master_key *mk);
+int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
+ const struct fscrypt_master_key *mk);
/* keysetup_v1.c */
-extern void fscrypt_put_direct_key(struct fscrypt_direct_key *dk);
+void fscrypt_put_direct_key(struct fscrypt_direct_key *dk);
+
+int fscrypt_setup_v1_file_key(struct fscrypt_info *ci,
+ const u8 *raw_master_key);
-extern int fscrypt_setup_v1_file_key(struct fscrypt_info *ci,
- const u8 *raw_master_key);
+int fscrypt_setup_v1_file_key_via_subscribed_keyrings(struct fscrypt_info *ci);
-extern int fscrypt_setup_v1_file_key_via_subscribed_keyrings(
- struct fscrypt_info *ci);
/* policy.c */
-extern bool fscrypt_policies_equal(const union fscrypt_policy *policy1,
- const union fscrypt_policy *policy2);
-extern bool fscrypt_supported_policy(const union fscrypt_policy *policy_u,
- const struct inode *inode);
-extern int fscrypt_policy_from_context(union fscrypt_policy *policy_u,
- const union fscrypt_context *ctx_u,
- int ctx_size);
+bool fscrypt_policies_equal(const union fscrypt_policy *policy1,
+ const union fscrypt_policy *policy2);
+bool fscrypt_supported_policy(const union fscrypt_policy *policy_u,
+ const struct inode *inode);
+int fscrypt_policy_from_context(union fscrypt_policy *policy_u,
+ const union fscrypt_context *ctx_u,
+ int ctx_size);
#endif /* _FSCRYPT_PRIVATE_H */
diff --git a/fs/crypto/hkdf.c b/fs/crypto/hkdf.c
index efb95bd19a89..0cba7928446d 100644
--- a/fs/crypto/hkdf.c
+++ b/fs/crypto/hkdf.c
@@ -44,17 +44,13 @@ static int hkdf_extract(struct crypto_shash *hmac_tfm, const u8 *ikm,
unsigned int ikmlen, u8 prk[HKDF_HASHLEN])
{
static const u8 default_salt[HKDF_HASHLEN];
- SHASH_DESC_ON_STACK(desc, hmac_tfm);
int err;
err = crypto_shash_setkey(hmac_tfm, default_salt, HKDF_HASHLEN);
if (err)
return err;
- desc->tfm = hmac_tfm;
- err = crypto_shash_digest(desc, ikm, ikmlen, prk);
- shash_desc_zero(desc);
- return err;
+ return crypto_shash_tfm_digest(hmac_tfm, ikm, ikmlen, prk);
}
/*
diff --git a/fs/crypto/hooks.c b/fs/crypto/hooks.c
index 5ef861742921..09fb8aa0f2e9 100644
--- a/fs/crypto/hooks.c
+++ b/fs/crypto/hooks.c
@@ -10,7 +10,7 @@
#include "fscrypt_private.h"
/**
- * fscrypt_file_open - prepare to open a possibly-encrypted regular file
+ * fscrypt_file_open() - prepare to open a possibly-encrypted regular file
* @inode: the inode being opened
* @filp: the struct file being set up
*
@@ -262,7 +262,7 @@ err_free_sd:
EXPORT_SYMBOL_GPL(__fscrypt_encrypt_symlink);
/**
- * fscrypt_get_symlink - get the target of an encrypted symlink
+ * fscrypt_get_symlink() - get the target of an encrypted symlink
* @inode: the symlink inode
* @caddr: the on-disk contents of the symlink
* @max_size: size of @caddr buffer
diff --git a/fs/crypto/keyring.c b/fs/crypto/keyring.c
index ab41b25d4fa1..e24eb48bfbe1 100644
--- a/fs/crypto/keyring.c
+++ b/fs/crypto/keyring.c
@@ -20,6 +20,7 @@
#include <crypto/skcipher.h>
#include <linux/key-type.h>
+#include <linux/random.h>
#include <linux/seq_file.h>
#include "fscrypt_private.h"
@@ -44,8 +45,9 @@ static void free_master_key(struct fscrypt_master_key *mk)
wipe_master_key_secret(&mk->mk_secret);
for (i = 0; i <= __FSCRYPT_MODE_MAX; i++) {
- crypto_free_skcipher(mk->mk_direct_tfms[i]);
- crypto_free_skcipher(mk->mk_iv_ino_lblk_64_tfms[i]);
+ crypto_free_skcipher(mk->mk_direct_keys[i]);
+ crypto_free_skcipher(mk->mk_iv_ino_lblk_64_keys[i]);
+ crypto_free_skcipher(mk->mk_iv_ino_lblk_32_keys[i]);
}
key_put(mk->mk_users);
@@ -424,9 +426,9 @@ static int add_existing_master_key(struct fscrypt_master_key *mk,
return 0;
}
-static int add_master_key(struct super_block *sb,
- struct fscrypt_master_key_secret *secret,
- const struct fscrypt_key_specifier *mk_spec)
+static int do_add_master_key(struct super_block *sb,
+ struct fscrypt_master_key_secret *secret,
+ const struct fscrypt_key_specifier *mk_spec)
{
static DEFINE_MUTEX(fscrypt_add_key_mutex);
struct key *key;
@@ -465,6 +467,35 @@ out_unlock:
return err;
}
+static int add_master_key(struct super_block *sb,
+ struct fscrypt_master_key_secret *secret,
+ struct fscrypt_key_specifier *key_spec)
+{
+ int err;
+
+ if (key_spec->type == FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER) {
+ err = fscrypt_init_hkdf(&secret->hkdf, secret->raw,
+ secret->size);
+ if (err)
+ return err;
+
+ /*
+ * Now that the HKDF context is initialized, the raw key is no
+ * longer needed.
+ */
+ memzero_explicit(secret->raw, secret->size);
+
+ /* Calculate the key identifier */
+ err = fscrypt_hkdf_expand(&secret->hkdf,
+ HKDF_CONTEXT_KEY_IDENTIFIER, NULL, 0,
+ key_spec->u.identifier,
+ FSCRYPT_KEY_IDENTIFIER_SIZE);
+ if (err)
+ return err;
+ }
+ return do_add_master_key(sb, secret, key_spec);
+}
+
static int fscrypt_provisioning_key_preparse(struct key_preparsed_payload *prep)
{
const struct fscrypt_provisioning_key_payload *payload = prep->data;
@@ -609,6 +640,15 @@ int fscrypt_ioctl_add_key(struct file *filp, void __user *_uarg)
if (memchr_inv(arg.__reserved, 0, sizeof(arg.__reserved)))
return -EINVAL;
+ /*
+ * Only root can add keys that are identified by an arbitrary descriptor
+ * rather than by a cryptographic hash --- since otherwise a malicious
+ * user could add the wrong key.
+ */
+ if (arg.key_spec.type == FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR &&
+ !capable(CAP_SYS_ADMIN))
+ return -EACCES;
+
memset(&secret, 0, sizeof(secret));
if (arg.key_id) {
if (arg.raw_size != 0)
@@ -626,48 +666,17 @@ int fscrypt_ioctl_add_key(struct file *filp, void __user *_uarg)
goto out_wipe_secret;
}
- switch (arg.key_spec.type) {
- case FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR:
- /*
- * Only root can add keys that are identified by an arbitrary
- * descriptor rather than by a cryptographic hash --- since
- * otherwise a malicious user could add the wrong key.
- */
- err = -EACCES;
- if (!capable(CAP_SYS_ADMIN))
- goto out_wipe_secret;
- break;
- case FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER:
- err = fscrypt_init_hkdf(&secret.hkdf, secret.raw, secret.size);
- if (err)
- goto out_wipe_secret;
-
- /*
- * Now that the HKDF context is initialized, the raw key is no
- * longer needed.
- */
- memzero_explicit(secret.raw, secret.size);
-
- /* Calculate the key identifier and return it to userspace. */
- err = fscrypt_hkdf_expand(&secret.hkdf,
- HKDF_CONTEXT_KEY_IDENTIFIER,
- NULL, 0, arg.key_spec.u.identifier,
- FSCRYPT_KEY_IDENTIFIER_SIZE);
- if (err)
- goto out_wipe_secret;
- err = -EFAULT;
- if (copy_to_user(uarg->key_spec.u.identifier,
- arg.key_spec.u.identifier,
- FSCRYPT_KEY_IDENTIFIER_SIZE))
- goto out_wipe_secret;
- break;
- default:
- WARN_ON(1);
- err = -EINVAL;
+ err = add_master_key(sb, &secret, &arg.key_spec);
+ if (err)
goto out_wipe_secret;
- }
- err = add_master_key(sb, &secret, &arg.key_spec);
+ /* Return the key identifier to userspace, if applicable */
+ err = -EFAULT;
+ if (arg.key_spec.type == FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER &&
+ copy_to_user(uarg->key_spec.u.identifier, arg.key_spec.u.identifier,
+ FSCRYPT_KEY_IDENTIFIER_SIZE))
+ goto out_wipe_secret;
+ err = 0;
out_wipe_secret:
wipe_master_key_secret(&secret);
return err;
@@ -675,6 +684,29 @@ out_wipe_secret:
EXPORT_SYMBOL_GPL(fscrypt_ioctl_add_key);
/*
+ * Add the key for '-o test_dummy_encryption' to the filesystem keyring.
+ *
+ * Use a per-boot random key to prevent people from misusing this option.
+ */
+int fscrypt_add_test_dummy_key(struct super_block *sb,
+ struct fscrypt_key_specifier *key_spec)
+{
+ static u8 test_key[FSCRYPT_MAX_KEY_SIZE];
+ struct fscrypt_master_key_secret secret;
+ int err;
+
+ get_random_once(test_key, FSCRYPT_MAX_KEY_SIZE);
+
+ memset(&secret, 0, sizeof(secret));
+ secret.size = FSCRYPT_MAX_KEY_SIZE;
+ memcpy(secret.raw, test_key, FSCRYPT_MAX_KEY_SIZE);
+
+ err = add_master_key(sb, &secret, key_spec);
+ wipe_master_key_secret(&secret);
+ return err;
+}
+
+/*
* Verify that the current user has added a master key with the given identifier
* (returns -ENOKEY if not). This is needed to prevent a user from encrypting
* their files using some other user's key which they don't actually know.
diff --git a/fs/crypto/keysetup.c b/fs/crypto/keysetup.c
index 302375e9f719..1129adfa097d 100644
--- a/fs/crypto/keysetup.c
+++ b/fs/crypto/keysetup.c
@@ -46,6 +46,8 @@ struct fscrypt_mode fscrypt_modes[] = {
},
};
+static DEFINE_MUTEX(fscrypt_mode_key_setup_mutex);
+
static struct fscrypt_mode *
select_encryption_mode(const union fscrypt_policy *policy,
const struct inode *inode)
@@ -130,7 +132,7 @@ static int setup_per_mode_enc_key(struct fscrypt_info *ci,
const struct super_block *sb = inode->i_sb;
struct fscrypt_mode *mode = ci->ci_mode;
const u8 mode_num = mode - fscrypt_modes;
- struct crypto_skcipher *tfm, *prev_tfm;
+ struct crypto_skcipher *tfm;
u8 mode_key[FSCRYPT_MAX_KEY_SIZE];
u8 hkdf_info[sizeof(mode_num) + sizeof(sb->s_uuid)];
unsigned int hkdf_infolen = 0;
@@ -139,10 +141,17 @@ static int setup_per_mode_enc_key(struct fscrypt_info *ci,
if (WARN_ON(mode_num > __FSCRYPT_MODE_MAX))
return -EINVAL;
- /* pairs with cmpxchg() below */
+ /* pairs with smp_store_release() below */
tfm = READ_ONCE(tfms[mode_num]);
- if (likely(tfm != NULL))
- goto done;
+ if (likely(tfm != NULL)) {
+ ci->ci_ctfm = tfm;
+ return 0;
+ }
+
+ mutex_lock(&fscrypt_mode_key_setup_mutex);
+
+ if (tfms[mode_num])
+ goto done_unlock;
BUILD_BUG_ON(sizeof(mode_num) != 1);
BUILD_BUG_ON(sizeof(sb->s_uuid) != 16);
@@ -157,21 +166,21 @@ static int setup_per_mode_enc_key(struct fscrypt_info *ci,
hkdf_context, hkdf_info, hkdf_infolen,
mode_key, mode->keysize);
if (err)
- return err;
+ goto out_unlock;
tfm = fscrypt_allocate_skcipher(mode, mode_key, inode);
memzero_explicit(mode_key, mode->keysize);
- if (IS_ERR(tfm))
- return PTR_ERR(tfm);
-
- /* pairs with READ_ONCE() above */
- prev_tfm = cmpxchg(&tfms[mode_num], NULL, tfm);
- if (prev_tfm != NULL) {
- crypto_free_skcipher(tfm);
- tfm = prev_tfm;
+ if (IS_ERR(tfm)) {
+ err = PTR_ERR(tfm);
+ goto out_unlock;
}
-done:
+ /* pairs with READ_ONCE() above */
+ smp_store_release(&tfms[mode_num], tfm);
+done_unlock:
ci->ci_ctfm = tfm;
- return 0;
+ err = 0;
+out_unlock:
+ mutex_unlock(&fscrypt_mode_key_setup_mutex);
+ return err;
}
int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
@@ -189,6 +198,43 @@ int fscrypt_derive_dirhash_key(struct fscrypt_info *ci,
return 0;
}
+static int fscrypt_setup_iv_ino_lblk_32_key(struct fscrypt_info *ci,
+ struct fscrypt_master_key *mk)
+{
+ int err;
+
+ err = setup_per_mode_enc_key(ci, mk, mk->mk_iv_ino_lblk_32_keys,
+ HKDF_CONTEXT_IV_INO_LBLK_32_KEY, true);
+ if (err)
+ return err;
+
+ /* pairs with smp_store_release() below */
+ if (!smp_load_acquire(&mk->mk_ino_hash_key_initialized)) {
+
+ mutex_lock(&fscrypt_mode_key_setup_mutex);
+
+ if (mk->mk_ino_hash_key_initialized)
+ goto unlock;
+
+ err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,
+ HKDF_CONTEXT_INODE_HASH_KEY, NULL, 0,
+ (u8 *)&mk->mk_ino_hash_key,
+ sizeof(mk->mk_ino_hash_key));
+ if (err)
+ goto unlock;
+ /* pairs with smp_load_acquire() above */
+ smp_store_release(&mk->mk_ino_hash_key_initialized, true);
+unlock:
+ mutex_unlock(&fscrypt_mode_key_setup_mutex);
+ if (err)
+ return err;
+ }
+
+ ci->ci_hashed_ino = (u32)siphash_1u64(ci->ci_inode->i_ino,
+ &mk->mk_ino_hash_key);
+ return 0;
+}
+
static int fscrypt_setup_v2_file_key(struct fscrypt_info *ci,
struct fscrypt_master_key *mk)
{
@@ -203,7 +249,7 @@ static int fscrypt_setup_v2_file_key(struct fscrypt_info *ci,
* encryption key. This ensures that the master key is
* consistently used only for HKDF, avoiding key reuse issues.
*/
- err = setup_per_mode_enc_key(ci, mk, mk->mk_direct_tfms,
+ err = setup_per_mode_enc_key(ci, mk, mk->mk_direct_keys,
HKDF_CONTEXT_DIRECT_KEY, false);
} else if (ci->ci_policy.v2.flags &
FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64) {
@@ -211,11 +257,14 @@ static int fscrypt_setup_v2_file_key(struct fscrypt_info *ci,
* IV_INO_LBLK_64: encryption keys are derived from (master_key,
* mode_num, filesystem_uuid), and inode number is included in
* the IVs. This format is optimized for use with inline
- * encryption hardware compliant with the UFS or eMMC standards.
+ * encryption hardware compliant with the UFS standard.
*/
- err = setup_per_mode_enc_key(ci, mk, mk->mk_iv_ino_lblk_64_tfms,
+ err = setup_per_mode_enc_key(ci, mk, mk->mk_iv_ino_lblk_64_keys,
HKDF_CONTEXT_IV_INO_LBLK_64_KEY,
true);
+ } else if (ci->ci_policy.v2.flags &
+ FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32) {
+ err = fscrypt_setup_iv_ino_lblk_32_key(ci, mk);
} else {
u8 derived_key[FSCRYPT_MAX_KEY_SIZE];
@@ -395,21 +444,18 @@ int fscrypt_get_encryption_info(struct inode *inode)
res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx));
if (res < 0) {
- if (!fscrypt_dummy_context_enabled(inode) ||
- IS_ENCRYPTED(inode)) {
+ const union fscrypt_context *dummy_ctx =
+ fscrypt_get_dummy_context(inode->i_sb);
+
+ if (IS_ENCRYPTED(inode) || !dummy_ctx) {
fscrypt_warn(inode,
"Error %d getting encryption context",
res);
return res;
}
/* Fake up a context for an unencrypted directory */
- memset(&ctx, 0, sizeof(ctx));
- ctx.version = FSCRYPT_CONTEXT_V1;
- ctx.v1.contents_encryption_mode = FSCRYPT_MODE_AES_256_XTS;
- ctx.v1.filenames_encryption_mode = FSCRYPT_MODE_AES_256_CTS;
- memset(ctx.v1.master_key_descriptor, 0x42,
- FSCRYPT_KEY_DESCRIPTOR_SIZE);
- res = sizeof(ctx.v1);
+ res = fscrypt_context_size(dummy_ctx);
+ memcpy(&ctx, dummy_ctx, res);
}
crypt_info = kmem_cache_zalloc(fscrypt_info_cachep, GFP_NOFS);
@@ -475,7 +521,8 @@ out:
EXPORT_SYMBOL(fscrypt_get_encryption_info);
/**
- * fscrypt_put_encryption_info - free most of an inode's fscrypt data
+ * fscrypt_put_encryption_info() - free most of an inode's fscrypt data
+ * @inode: an inode being evicted
*
* Free the inode's fscrypt_info. Filesystems must call this when the inode is
* being evicted. An RCU grace period need not have elapsed yet.
@@ -488,7 +535,8 @@ void fscrypt_put_encryption_info(struct inode *inode)
EXPORT_SYMBOL(fscrypt_put_encryption_info);
/**
- * fscrypt_free_inode - free an inode's fscrypt data requiring RCU delay
+ * fscrypt_free_inode() - free an inode's fscrypt data requiring RCU delay
+ * @inode: an inode being freed
*
* Free the inode's cached decrypted symlink target, if any. Filesystems must
* call this after an RCU grace period, just before they free the inode.
@@ -503,7 +551,8 @@ void fscrypt_free_inode(struct inode *inode)
EXPORT_SYMBOL(fscrypt_free_inode);
/**
- * fscrypt_drop_inode - check whether the inode's master key has been removed
+ * fscrypt_drop_inode() - check whether the inode's master key has been removed
+ * @inode: an inode being considered for eviction
*
* Filesystems supporting fscrypt must call this from their ->drop_inode()
* method so that encrypted inodes are evicted as soon as they're no longer in
diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c
index 10ccf945020c..d23ff162c78b 100644
--- a/fs/crypto/policy.c
+++ b/fs/crypto/policy.c
@@ -11,12 +11,15 @@
*/
#include <linux/random.h>
+#include <linux/seq_file.h>
#include <linux/string.h>
#include <linux/mount.h>
#include "fscrypt_private.h"
/**
- * fscrypt_policies_equal - check whether two encryption policies are the same
+ * fscrypt_policies_equal() - check whether two encryption policies are the same
+ * @policy1: the first policy
+ * @policy2: the second policy
*
* Return: %true if equal, else %false
*/
@@ -66,18 +69,14 @@ static bool supported_direct_key_modes(const struct inode *inode,
return true;
}
-static bool supported_iv_ino_lblk_64_policy(
- const struct fscrypt_policy_v2 *policy,
- const struct inode *inode)
+static bool supported_iv_ino_lblk_policy(const struct fscrypt_policy_v2 *policy,
+ const struct inode *inode,
+ const char *type,
+ int max_ino_bits, int max_lblk_bits)
{
struct super_block *sb = inode->i_sb;
int ino_bits = 64, lblk_bits = 64;
- if (policy->flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY) {
- fscrypt_warn(inode,
- "The DIRECT_KEY and IV_INO_LBLK_64 flags are mutually exclusive");
- return false;
- }
/*
* It's unsafe to include inode numbers in the IVs if the filesystem can
* potentially renumber inodes, e.g. via filesystem shrinking.
@@ -85,16 +84,22 @@ static bool supported_iv_ino_lblk_64_policy(
if (!sb->s_cop->has_stable_inodes ||
!sb->s_cop->has_stable_inodes(sb)) {
fscrypt_warn(inode,
- "Can't use IV_INO_LBLK_64 policy on filesystem '%s' because it doesn't have stable inode numbers",
- sb->s_id);
+ "Can't use %s policy on filesystem '%s' because it doesn't have stable inode numbers",
+ type, sb->s_id);
return false;
}
if (sb->s_cop->get_ino_and_lblk_bits)
sb->s_cop->get_ino_and_lblk_bits(sb, &ino_bits, &lblk_bits);
- if (ino_bits > 32 || lblk_bits > 32) {
+ if (ino_bits > max_ino_bits) {
+ fscrypt_warn(inode,
+ "Can't use %s policy on filesystem '%s' because its inode numbers are too long",
+ type, sb->s_id);
+ return false;
+ }
+ if (lblk_bits > max_lblk_bits) {
fscrypt_warn(inode,
- "Can't use IV_INO_LBLK_64 policy on filesystem '%s' because it doesn't use 32-bit inode and block numbers",
- sb->s_id);
+ "Can't use %s policy on filesystem '%s' because its block numbers are too long",
+ type, sb->s_id);
return false;
}
return true;
@@ -137,6 +142,8 @@ static bool fscrypt_supported_v1_policy(const struct fscrypt_policy_v1 *policy,
static bool fscrypt_supported_v2_policy(const struct fscrypt_policy_v2 *policy,
const struct inode *inode)
{
+ int count = 0;
+
if (!fscrypt_valid_enc_modes(policy->contents_encryption_mode,
policy->filenames_encryption_mode)) {
fscrypt_warn(inode,
@@ -152,13 +159,29 @@ static bool fscrypt_supported_v2_policy(const struct fscrypt_policy_v2 *policy,
return false;
}
+ count += !!(policy->flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY);
+ count += !!(policy->flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64);
+ count += !!(policy->flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32);
+ if (count > 1) {
+ fscrypt_warn(inode, "Mutually exclusive encryption flags (0x%02x)",
+ policy->flags);
+ return false;
+ }
+
if ((policy->flags & FSCRYPT_POLICY_FLAG_DIRECT_KEY) &&
!supported_direct_key_modes(inode, policy->contents_encryption_mode,
policy->filenames_encryption_mode))
return false;
if ((policy->flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64) &&
- !supported_iv_ino_lblk_64_policy(policy, inode))
+ !supported_iv_ino_lblk_policy(policy, inode, "IV_INO_LBLK_64",
+ 32, 32))
+ return false;
+
+ if ((policy->flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32) &&
+ /* This uses hashed inode numbers, so ino_bits doesn't matter. */
+ !supported_iv_ino_lblk_policy(policy, inode, "IV_INO_LBLK_32",
+ INT_MAX, 32))
return false;
if (memchr_inv(policy->__reserved, 0, sizeof(policy->__reserved))) {
@@ -170,7 +193,9 @@ static bool fscrypt_supported_v2_policy(const struct fscrypt_policy_v2 *policy,
}
/**
- * fscrypt_supported_policy - check whether an encryption policy is supported
+ * fscrypt_supported_policy() - check whether an encryption policy is supported
+ * @policy_u: the encryption policy
+ * @inode: the inode on which the policy will be used
*
* Given an encryption policy, check whether all its encryption modes and other
* settings are supported by this kernel on the given inode. (But we don't
@@ -192,7 +217,10 @@ bool fscrypt_supported_policy(const union fscrypt_policy *policy_u,
}
/**
- * fscrypt_new_context_from_policy - create a new fscrypt_context from a policy
+ * fscrypt_new_context_from_policy() - create a new fscrypt_context from
+ * an fscrypt_policy
+ * @ctx_u: output context
+ * @policy_u: input policy
*
* Create an fscrypt_context for an inode that is being assigned the given
* encryption policy. A new nonce is randomly generated.
@@ -242,7 +270,11 @@ static int fscrypt_new_context_from_policy(union fscrypt_context *ctx_u,
}
/**
- * fscrypt_policy_from_context - convert an fscrypt_context to an fscrypt_policy
+ * fscrypt_policy_from_context() - convert an fscrypt_context to
+ * an fscrypt_policy
+ * @policy_u: output policy
+ * @ctx_u: input context
+ * @ctx_size: size of input context in bytes
*
* Given an fscrypt_context, build the corresponding fscrypt_policy.
*
@@ -354,6 +386,9 @@ static int set_encryption_policy(struct inode *inode,
policy->v2.master_key_identifier);
if (err)
return err;
+ if (policy->v2.flags & FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32)
+ pr_warn_once("%s (pid %d) is setting an IV_INO_LBLK_32 encryption policy. This should only be used if there are certain hardware limitations.\n",
+ current->comm, current->pid);
break;
default:
WARN_ON(1);
@@ -605,3 +640,127 @@ int fscrypt_inherit_context(struct inode *parent, struct inode *child,
return preload ? fscrypt_get_encryption_info(child): 0;
}
EXPORT_SYMBOL(fscrypt_inherit_context);
+
+/**
+ * fscrypt_set_test_dummy_encryption() - handle '-o test_dummy_encryption'
+ * @sb: the filesystem on which test_dummy_encryption is being specified
+ * @arg: the argument to the test_dummy_encryption option.
+ * If no argument was specified, then @arg->from == NULL.
+ * @dummy_ctx: the filesystem's current dummy context (input/output, see below)
+ *
+ * Handle the test_dummy_encryption mount option by creating a dummy encryption
+ * context, saving it in @dummy_ctx, and adding the corresponding dummy
+ * encryption key to the filesystem. If the @dummy_ctx is already set, then
+ * instead validate that it matches @arg. Don't support changing it via
+ * remount, as that is difficult to do safely.
+ *
+ * The reason we use an fscrypt_context rather than an fscrypt_policy is because
+ * we mustn't generate a new nonce each time we access a dummy-encrypted
+ * directory, as that would change the way filenames are encrypted.
+ *
+ * Return: 0 on success (dummy context set, or the same context is already set);
+ * -EEXIST if a different dummy context is already set;
+ * or another -errno value.
+ */
+int fscrypt_set_test_dummy_encryption(struct super_block *sb,
+ const substring_t *arg,
+ struct fscrypt_dummy_context *dummy_ctx)
+{
+ const char *argstr = "v2";
+ const char *argstr_to_free = NULL;
+ struct fscrypt_key_specifier key_spec = { 0 };
+ int version;
+ union fscrypt_context *ctx = NULL;
+ int err;
+
+ if (arg->from) {
+ argstr = argstr_to_free = match_strdup(arg);
+ if (!argstr)
+ return -ENOMEM;
+ }
+
+ if (!strcmp(argstr, "v1")) {
+ version = FSCRYPT_CONTEXT_V1;
+ key_spec.type = FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR;
+ memset(key_spec.u.descriptor, 0x42,
+ FSCRYPT_KEY_DESCRIPTOR_SIZE);
+ } else if (!strcmp(argstr, "v2")) {
+ version = FSCRYPT_CONTEXT_V2;
+ key_spec.type = FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER;
+ /* key_spec.u.identifier gets filled in when adding the key */
+ } else {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (dummy_ctx->ctx) {
+ /*
+ * Note: if we ever make test_dummy_encryption support
+ * specifying other encryption settings, such as the encryption
+ * modes, we'll need to compare those settings here.
+ */
+ if (dummy_ctx->ctx->version == version)
+ err = 0;
+ else
+ err = -EEXIST;
+ goto out;
+ }
+
+ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+ if (!ctx) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ err = fscrypt_add_test_dummy_key(sb, &key_spec);
+ if (err)
+ goto out;
+
+ ctx->version = version;
+ switch (ctx->version) {
+ case FSCRYPT_CONTEXT_V1:
+ ctx->v1.contents_encryption_mode = FSCRYPT_MODE_AES_256_XTS;
+ ctx->v1.filenames_encryption_mode = FSCRYPT_MODE_AES_256_CTS;
+ memcpy(ctx->v1.master_key_descriptor, key_spec.u.descriptor,
+ FSCRYPT_KEY_DESCRIPTOR_SIZE);
+ break;
+ case FSCRYPT_CONTEXT_V2:
+ ctx->v2.contents_encryption_mode = FSCRYPT_MODE_AES_256_XTS;
+ ctx->v2.filenames_encryption_mode = FSCRYPT_MODE_AES_256_CTS;
+ memcpy(ctx->v2.master_key_identifier, key_spec.u.identifier,
+ FSCRYPT_KEY_IDENTIFIER_SIZE);
+ break;
+ default:
+ WARN_ON(1);
+ err = -EINVAL;
+ goto out;
+ }
+ dummy_ctx->ctx = ctx;
+ ctx = NULL;
+ err = 0;
+out:
+ kfree(ctx);
+ kfree(argstr_to_free);
+ return err;
+}
+EXPORT_SYMBOL_GPL(fscrypt_set_test_dummy_encryption);
+
+/**
+ * fscrypt_show_test_dummy_encryption() - show '-o test_dummy_encryption'
+ * @seq: the seq_file to print the option to
+ * @sep: the separator character to use
+ * @sb: the filesystem whose options are being shown
+ *
+ * Show the test_dummy_encryption mount option, if it was specified.
+ * This is mainly used for /proc/mounts.
+ */
+void fscrypt_show_test_dummy_encryption(struct seq_file *seq, char sep,
+ struct super_block *sb)
+{
+ const union fscrypt_context *ctx = fscrypt_get_dummy_context(sb);
+
+ if (!ctx)
+ return;
+ seq_printf(seq, "%ctest_dummy_encryption=v%d", sep, ctx->version);
+}
+EXPORT_SYMBOL_GPL(fscrypt_show_test_dummy_encryption);
diff --git a/fs/dcache.c b/fs/dcache.c
index b280e07e162b..361ea7ab30ea 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -165,7 +165,7 @@ static long get_nr_dentry_negative(void)
return sum < 0 ? 0 : sum;
}
-int proc_nr_dentry(struct ctl_table *table, int write, void __user *buffer,
+int proc_nr_dentry(struct ctl_table *table, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
dentry_stat.nr_dentry = get_nr_dentry();
@@ -647,6 +647,10 @@ static inline bool retain_dentry(struct dentry *dentry)
if (dentry->d_op->d_delete(dentry))
return false;
}
+
+ if (unlikely(dentry->d_flags & DCACHE_DONTCACHE))
+ return false;
+
/* retain; LRU fodder */
dentry->d_lockref.count--;
if (unlikely(!(dentry->d_flags & DCACHE_LRU_LIST)))
@@ -656,6 +660,21 @@ static inline bool retain_dentry(struct dentry *dentry)
return true;
}
+void d_mark_dontcache(struct inode *inode)
+{
+ struct dentry *de;
+
+ spin_lock(&inode->i_lock);
+ hlist_for_each_entry(de, &inode->i_dentry, d_u.d_alias) {
+ spin_lock(&de->d_lock);
+ de->d_flags |= DCACHE_DONTCACHE;
+ spin_unlock(&de->d_lock);
+ }
+ inode->i_state |= I_DONTCACHE;
+ spin_unlock(&inode->i_lock);
+}
+EXPORT_SYMBOL(d_mark_dontcache);
+
/*
* Finish off a dentry we've decided to kill.
* dentry->d_lock must be held, returns with it unlocked.
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 2d357680094c..ae49a55bda00 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -506,20 +506,11 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_u32_wo, NULL, debugfs_u32_set, "%llu\n");
* This function creates a file in debugfs with the given name that
* contains the value of the variable @value. If the @mode variable is so
* set, it can be read from, and written to.
- *
- * This function will return a pointer to a dentry if it succeeds. This
- * pointer must be passed to the debugfs_remove() function when the file is
- * to be removed (no automatic cleanup happens if your module is unloaded,
- * you are responsible here.) If an error occurs, ERR_PTR(-ERROR) will be
- * returned.
- *
- * If debugfs is not enabled in the kernel, the value ERR_PTR(-ENODEV) will
- * be returned.
*/
-struct dentry *debugfs_create_u32(const char *name, umode_t mode,
- struct dentry *parent, u32 *value)
+void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
+ u32 *value)
{
- return debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
+ debugfs_create_mode_unsafe(name, mode, parent, value, &fops_u32,
&fops_u32_ro, &fops_u32_wo);
}
EXPORT_SYMBOL_GPL(debugfs_create_u32);
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 00b4d15bb811..1543b5af400e 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -386,25 +386,6 @@ static void dio_bio_end_io(struct bio *bio)
spin_unlock_irqrestore(&dio->bio_lock, flags);
}
-/**
- * dio_end_io - handle the end io action for the given bio
- * @bio: The direct io bio thats being completed
- *
- * This is meant to be called by any filesystem that uses their own dio_submit_t
- * so that the DIO specific endio actions are dealt with after the filesystem
- * has done it's completion work.
- */
-void dio_end_io(struct bio *bio)
-{
- struct dio *dio = bio->bi_private;
-
- if (dio->is_async)
- dio_bio_end_aio(bio);
- else
- dio_bio_end_io(bio);
-}
-EXPORT_SYMBOL_GPL(dio_end_io);
-
static inline void
dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
struct block_device *bdev,
@@ -500,7 +481,7 @@ static struct bio *dio_await_one(struct dio *dio)
spin_unlock_irqrestore(&dio->bio_lock, flags);
if (!(dio->iocb->ki_flags & IOCB_HIPRI) ||
!blk_poll(dio->bio_disk->queue, dio->bio_cookie, true))
- io_schedule();
+ blk_io_schedule();
/* wake up sets us TASK_RUNNING */
spin_lock_irqsave(&dio->bio_lock, flags);
dio->waiter = NULL;
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index cdfaf4f0e11a..3543a8fec907 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -724,7 +724,7 @@ out_close:
}
/* Listening socket is busy, accept a connection */
-static int tcp_accept_from_sock(struct connection *con)
+static int accept_from_sock(struct connection *con)
{
int result;
struct sockaddr_storage peeraddr;
@@ -852,123 +852,6 @@ accept_err:
return result;
}
-static int sctp_accept_from_sock(struct connection *con)
-{
- /* Check that the new node is in the lockspace */
- struct sctp_prim prim;
- int nodeid;
- int prim_len, ret;
- int addr_len;
- struct connection *newcon;
- struct connection *addcon;
- struct socket *newsock;
-
- mutex_lock(&connections_lock);
- if (!dlm_allow_conn) {
- mutex_unlock(&connections_lock);
- return -1;
- }
- mutex_unlock(&connections_lock);
-
- mutex_lock_nested(&con->sock_mutex, 0);
-
- ret = kernel_accept(con->sock, &newsock, O_NONBLOCK);
- if (ret < 0)
- goto accept_err;
-
- memset(&prim, 0, sizeof(struct sctp_prim));
- prim_len = sizeof(struct sctp_prim);
-
- ret = kernel_getsockopt(newsock, IPPROTO_SCTP, SCTP_PRIMARY_ADDR,
- (char *)&prim, &prim_len);
- if (ret < 0) {
- log_print("getsockopt/sctp_primary_addr failed: %d", ret);
- goto accept_err;
- }
-
- make_sockaddr(&prim.ssp_addr, 0, &addr_len);
- ret = addr_to_nodeid(&prim.ssp_addr, &nodeid);
- if (ret) {
- unsigned char *b = (unsigned char *)&prim.ssp_addr;
-
- log_print("reject connect from unknown addr");
- print_hex_dump_bytes("ss: ", DUMP_PREFIX_NONE,
- b, sizeof(struct sockaddr_storage));
- goto accept_err;
- }
-
- newcon = nodeid2con(nodeid, GFP_NOFS);
- if (!newcon) {
- ret = -ENOMEM;
- goto accept_err;
- }
-
- mutex_lock_nested(&newcon->sock_mutex, 1);
-
- if (newcon->sock) {
- struct connection *othercon = newcon->othercon;
-
- if (!othercon) {
- othercon = kmem_cache_zalloc(con_cache, GFP_NOFS);
- if (!othercon) {
- log_print("failed to allocate incoming socket");
- mutex_unlock(&newcon->sock_mutex);
- ret = -ENOMEM;
- goto accept_err;
- }
- othercon->nodeid = nodeid;
- othercon->rx_action = receive_from_sock;
- mutex_init(&othercon->sock_mutex);
- INIT_LIST_HEAD(&othercon->writequeue);
- spin_lock_init(&othercon->writequeue_lock);
- INIT_WORK(&othercon->swork, process_send_sockets);
- INIT_WORK(&othercon->rwork, process_recv_sockets);
- set_bit(CF_IS_OTHERCON, &othercon->flags);
- }
- mutex_lock_nested(&othercon->sock_mutex, 2);
- if (!othercon->sock) {
- newcon->othercon = othercon;
- add_sock(newsock, othercon);
- addcon = othercon;
- mutex_unlock(&othercon->sock_mutex);
- } else {
- printk("Extra connection from node %d attempted\n", nodeid);
- ret = -EAGAIN;
- mutex_unlock(&othercon->sock_mutex);
- mutex_unlock(&newcon->sock_mutex);
- goto accept_err;
- }
- } else {
- newcon->rx_action = receive_from_sock;
- add_sock(newsock, newcon);
- addcon = newcon;
- }
-
- log_print("connected to %d", nodeid);
-
- mutex_unlock(&newcon->sock_mutex);
-
- /*
- * Add it to the active queue in case we got data
- * between processing the accept adding the socket
- * to the read_sockets list
- */
- if (!test_and_set_bit(CF_READ_PENDING, &addcon->flags))
- queue_work(recv_workqueue, &addcon->rwork);
- mutex_unlock(&con->sock_mutex);
-
- return 0;
-
-accept_err:
- mutex_unlock(&con->sock_mutex);
- if (newsock)
- sock_release(newsock);
- if (ret != -EAGAIN)
- log_print("error accepting connection from node: %d", ret);
-
- return ret;
-}
-
static void free_entry(struct writequeue_entry *e)
{
__free_page(e->page);
@@ -999,6 +882,7 @@ static void writequeue_entry_complete(struct writequeue_entry *e, int completed)
static int sctp_bind_addrs(struct connection *con, uint16_t port)
{
struct sockaddr_storage localaddr;
+ struct sockaddr *addr = (struct sockaddr *)&localaddr;
int i, addr_len, result = 0;
for (i = 0; i < dlm_local_count; i++) {
@@ -1006,13 +890,9 @@ static int sctp_bind_addrs(struct connection *con, uint16_t port)
make_sockaddr(&localaddr, port, &addr_len);
if (!i)
- result = kernel_bind(con->sock,
- (struct sockaddr *)&localaddr,
- addr_len);
+ result = kernel_bind(con->sock, addr, addr_len);
else
- result = kernel_setsockopt(con->sock, SOL_SCTP,
- SCTP_SOCKOPT_BINDX_ADD,
- (char *)&localaddr, addr_len);
+ result = sock_bind_add(con->sock->sk, addr, addr_len);
if (result < 0) {
log_print("Can't bind to %d addr number %d, %d.\n",
@@ -1031,11 +911,9 @@ static int sctp_bind_addrs(struct connection *con, uint16_t port)
static void sctp_connect_to_sock(struct connection *con)
{
struct sockaddr_storage daddr;
- int one = 1;
int result;
int addr_len;
struct socket *sock;
- struct __kernel_sock_timeval tv = { .tv_sec = 5, .tv_usec = 0 };
if (con->nodeid == 0) {
log_print("attempt to connect sock 0 foiled");
@@ -1079,21 +957,17 @@ static void sctp_connect_to_sock(struct connection *con)
log_print("connecting to %d", con->nodeid);
/* Turn off Nagle's algorithm */
- kernel_setsockopt(sock, SOL_SCTP, SCTP_NODELAY, (char *)&one,
- sizeof(one));
+ sctp_sock_set_nodelay(sock->sk);
/*
* Make sock->ops->connect() function return in specified time,
* since O_NONBLOCK argument in connect() function does not work here,
* then, we should restore the default value of this attribute.
*/
- kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_NEW, (char *)&tv,
- sizeof(tv));
+ sock_set_sndtimeo(sock->sk, 5);
result = sock->ops->connect(sock, (struct sockaddr *)&daddr, addr_len,
0);
- memset(&tv, 0, sizeof(tv));
- kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_NEW, (char *)&tv,
- sizeof(tv));
+ sock_set_sndtimeo(sock->sk, 0);
if (result == -EINPROGRESS)
result = 0;
@@ -1132,7 +1006,6 @@ static void tcp_connect_to_sock(struct connection *con)
struct sockaddr_storage saddr, src_addr;
int addr_len;
struct socket *sock = NULL;
- int one = 1;
int result;
if (con->nodeid == 0) {
@@ -1181,8 +1054,7 @@ static void tcp_connect_to_sock(struct connection *con)
log_print("connecting to %d", con->nodeid);
/* Turn off Nagle's algorithm */
- kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&one,
- sizeof(one));
+ tcp_sock_set_nodelay(sock->sk);
result = sock->ops->connect(sock, (struct sockaddr *)&saddr, addr_len,
O_NONBLOCK);
@@ -1224,7 +1096,6 @@ static struct socket *tcp_create_listen_sock(struct connection *con,
{
struct socket *sock = NULL;
int result = 0;
- int one = 1;
int addr_len;
if (dlm_local_addr[0]->ss_family == AF_INET)
@@ -1241,19 +1112,14 @@ static struct socket *tcp_create_listen_sock(struct connection *con,
}
/* Turn off Nagle's algorithm */
- kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&one,
- sizeof(one));
+ tcp_sock_set_nodelay(sock->sk);
- result = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
- (char *)&one, sizeof(one));
+ sock_set_reuseaddr(sock->sk);
- if (result < 0) {
- log_print("Failed to set SO_REUSEADDR on socket: %d", result);
- }
write_lock_bh(&sock->sk->sk_callback_lock);
sock->sk->sk_user_data = con;
save_listen_callbacks(sock);
- con->rx_action = tcp_accept_from_sock;
+ con->rx_action = accept_from_sock;
con->connect_action = tcp_connect_to_sock;
write_unlock_bh(&sock->sk->sk_callback_lock);
@@ -1267,11 +1133,7 @@ static struct socket *tcp_create_listen_sock(struct connection *con,
con->sock = NULL;
goto create_out;
}
- result = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&one, sizeof(one));
- if (result < 0) {
- log_print("Set keepalive failed: %d", result);
- }
+ sock_set_keepalive(sock->sk);
result = sock->ops->listen(sock, 5);
if (result < 0) {
@@ -1309,8 +1171,6 @@ static int sctp_listen_for_all(void)
struct socket *sock = NULL;
int result = -EINVAL;
struct connection *con = nodeid2con(0, GFP_NOFS);
- int bufsize = NEEDED_RMEM;
- int one = 1;
if (!con)
return -ENOMEM;
@@ -1324,15 +1184,8 @@ static int sctp_listen_for_all(void)
goto out;
}
- result = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVBUFFORCE,
- (char *)&bufsize, sizeof(bufsize));
- if (result)
- log_print("Error increasing buffer space on socket %d", result);
-
- result = kernel_setsockopt(sock, SOL_SCTP, SCTP_NODELAY, (char *)&one,
- sizeof(one));
- if (result < 0)
- log_print("Could not set SCTP NODELAY error %d\n", result);
+ sock_set_rcvbuf(sock->sk, NEEDED_RMEM);
+ sctp_sock_set_nodelay(sock->sk);
write_lock_bh(&sock->sk->sk_callback_lock);
/* Init con struct */
@@ -1340,7 +1193,7 @@ static int sctp_listen_for_all(void)
save_listen_callbacks(sock);
con->sock = sock;
con->sock->sk->sk_data_ready = lowcomms_data_ready;
- con->rx_action = sctp_accept_from_sock;
+ con->rx_action = accept_from_sock;
con->connect_action = sctp_connect_to_sock;
write_unlock_bh(&sock->sk->sk_callback_lock);
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index dc1a1d5d825b..f00fcc4a4f72 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -47,7 +47,7 @@ static void drop_pagecache_sb(struct super_block *sb, void *unused)
}
int drop_caches_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int ret;
diff --git a/fs/ecryptfs/Kconfig b/fs/ecryptfs/Kconfig
index 522c35d5292b..1bdeaa6d5790 100644
--- a/fs/ecryptfs/Kconfig
+++ b/fs/ecryptfs/Kconfig
@@ -7,7 +7,7 @@ config ECRYPT_FS
select CRYPTO_MD5
help
Encrypted filesystem that operates on the VFS layer. See
- <file:Documentation/filesystems/ecryptfs.txt> to learn more about
+ <file:Documentation/filesystems/ecryptfs.rst> to learn more about
eCryptfs. Userspace components are required and can be
obtained from <http://ecryptfs.sf.net>.
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index 2c449aed1b92..0681540c48d9 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -48,18 +48,6 @@ void ecryptfs_from_hex(char *dst, char *src, int dst_size)
}
}
-static int ecryptfs_hash_digest(struct crypto_shash *tfm,
- char *src, int len, char *dst)
-{
- SHASH_DESC_ON_STACK(desc, tfm);
- int err;
-
- desc->tfm = tfm;
- err = crypto_shash_digest(desc, src, len, dst);
- shash_desc_zero(desc);
- return err;
-}
-
/**
* ecryptfs_calculate_md5 - calculates the md5 of @src
* @dst: Pointer to 16 bytes of allocated memory
@@ -74,11 +62,8 @@ static int ecryptfs_calculate_md5(char *dst,
struct ecryptfs_crypt_stat *crypt_stat,
char *src, int len)
{
- struct crypto_shash *tfm;
- int rc = 0;
+ int rc = crypto_shash_tfm_digest(crypt_stat->hash_tfm, src, len, dst);
- tfm = crypt_stat->hash_tfm;
- rc = ecryptfs_hash_digest(tfm, src, len, dst);
if (rc) {
printk(KERN_ERR
"%s: Error computing crypto hash; rc = [%d]\n",
diff --git a/fs/erofs/data.c b/fs/erofs/data.c
index fc3a8d8064f8..64b56c7df023 100644
--- a/fs/erofs/data.c
+++ b/fs/erofs/data.c
@@ -265,7 +265,7 @@ submit_bio_out:
*/
static int erofs_raw_access_readpage(struct file *file, struct page *page)
{
- erofs_off_t last_block;
+ erofs_off_t uninitialized_var(last_block);
struct bio *bio;
trace_erofs_readpage(page, true);
@@ -280,47 +280,36 @@ static int erofs_raw_access_readpage(struct file *file, struct page *page)
return 0;
}
-static int erofs_raw_access_readpages(struct file *filp,
- struct address_space *mapping,
- struct list_head *pages,
- unsigned int nr_pages)
+static void erofs_raw_access_readahead(struct readahead_control *rac)
{
- erofs_off_t last_block;
+ erofs_off_t uninitialized_var(last_block);
struct bio *bio = NULL;
- gfp_t gfp = readahead_gfp_mask(mapping);
- struct page *page = list_last_entry(pages, struct page, lru);
-
- trace_erofs_readpages(mapping->host, page, nr_pages, true);
+ struct page *page;
- for (; nr_pages; --nr_pages) {
- page = list_entry(pages->prev, struct page, lru);
+ trace_erofs_readpages(rac->mapping->host, readahead_index(rac),
+ readahead_count(rac), true);
+ while ((page = readahead_page(rac))) {
prefetchw(&page->flags);
- list_del(&page->lru);
- if (!add_to_page_cache_lru(page, mapping, page->index, gfp)) {
- bio = erofs_read_raw_page(bio, mapping, page,
- &last_block, nr_pages, true);
+ bio = erofs_read_raw_page(bio, rac->mapping, page, &last_block,
+ readahead_count(rac), true);
- /* all the page errors are ignored when readahead */
- if (IS_ERR(bio)) {
- pr_err("%s, readahead error at page %lu of nid %llu\n",
- __func__, page->index,
- EROFS_I(mapping->host)->nid);
+ /* all the page errors are ignored when readahead */
+ if (IS_ERR(bio)) {
+ pr_err("%s, readahead error at page %lu of nid %llu\n",
+ __func__, page->index,
+ EROFS_I(rac->mapping->host)->nid);
- bio = NULL;
- }
+ bio = NULL;
}
- /* pages could still be locked */
put_page(page);
}
- DBG_BUGON(!list_empty(pages));
/* the rare case (end in gaps) */
if (bio)
submit_bio(bio);
- return 0;
}
static int erofs_get_block(struct inode *inode, sector_t iblock,
@@ -358,7 +347,7 @@ static sector_t erofs_bmap(struct address_space *mapping, sector_t block)
/* for uncompressed (aligned) files and raw access for other files */
const struct address_space_operations erofs_raw_access_aops = {
.readpage = erofs_raw_access_readpage,
- .readpages = erofs_raw_access_readpages,
+ .readahead = erofs_raw_access_readahead,
.bmap = erofs_bmap,
};
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index 5d2d81940679..7628816f2453 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -274,7 +274,7 @@ static int z_erofs_decompress_generic(struct z_erofs_decompress_req *rq,
i = 0;
while (1) {
- dst = vm_map_ram(rq->out, nrpages_out, -1, PAGE_KERNEL);
+ dst = vm_map_ram(rq->out, nrpages_out, -1);
/* retry two more times (totally 3 times) */
if (dst || ++i >= 3)
diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 3350ab65d892..7dd4bbe9674f 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -311,27 +311,21 @@ int erofs_getattr(const struct path *path, struct kstat *stat,
const struct inode_operations erofs_generic_iops = {
.getattr = erofs_getattr,
-#ifdef CONFIG_EROFS_FS_XATTR
.listxattr = erofs_listxattr,
-#endif
.get_acl = erofs_get_acl,
};
const struct inode_operations erofs_symlink_iops = {
.get_link = page_get_link,
.getattr = erofs_getattr,
-#ifdef CONFIG_EROFS_FS_XATTR
.listxattr = erofs_listxattr,
-#endif
.get_acl = erofs_get_acl,
};
const struct inode_operations erofs_fast_symlink_iops = {
.get_link = simple_get_link,
.getattr = erofs_getattr,
-#ifdef CONFIG_EROFS_FS_XATTR
.listxattr = erofs_listxattr,
-#endif
.get_acl = erofs_get_acl,
};
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index 5eead7fdc7a6..1c077b7bb43d 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -46,6 +46,17 @@ typedef u64 erofs_off_t;
/* data type for filesystem-wide blocks number */
typedef u32 erofs_blk_t;
+struct erofs_fs_context {
+#ifdef CONFIG_EROFS_FS_ZIP
+ /* current strategy of how to use managed cache */
+ unsigned char cache_strategy;
+
+ /* threshold for decompression synchronously */
+ unsigned int max_sync_decompress_pages;
+#endif
+ unsigned int mount_opt;
+};
+
struct erofs_sb_info {
#ifdef CONFIG_EROFS_FS_ZIP
/* list for all registered superblocks, mainly for shrinker */
@@ -55,14 +66,8 @@ struct erofs_sb_info {
/* managed XArray arranged in physical block number */
struct xarray managed_pslots;
- /* threshold for decompression synchronously */
- unsigned int max_sync_decompress_pages;
-
unsigned int shrinker_run_no;
- /* current strategy of how to use managed cache */
- unsigned char cache_strategy;
-
/* pseudo inode to manage cached pages */
struct inode *managed_cache;
#endif /* CONFIG_EROFS_FS_ZIP */
@@ -88,7 +93,7 @@ struct erofs_sb_info {
u32 feature_compat;
u32 feature_incompat;
- unsigned int mount_opt;
+ struct erofs_fs_context ctx; /* options */
};
#define EROFS_SB(sb) ((struct erofs_sb_info *)(sb)->s_fs_info)
@@ -98,17 +103,17 @@ struct erofs_sb_info {
#define EROFS_MOUNT_XATTR_USER 0x00000010
#define EROFS_MOUNT_POSIX_ACL 0x00000020
-#define clear_opt(sbi, option) ((sbi)->mount_opt &= ~EROFS_MOUNT_##option)
-#define set_opt(sbi, option) ((sbi)->mount_opt |= EROFS_MOUNT_##option)
-#define test_opt(sbi, option) ((sbi)->mount_opt & EROFS_MOUNT_##option)
+#define clear_opt(ctx, option) ((ctx)->mount_opt &= ~EROFS_MOUNT_##option)
+#define set_opt(ctx, option) ((ctx)->mount_opt |= EROFS_MOUNT_##option)
+#define test_opt(ctx, option) ((ctx)->mount_opt & EROFS_MOUNT_##option)
-#ifdef CONFIG_EROFS_FS_ZIP
enum {
EROFS_ZIP_CACHE_DISABLED,
EROFS_ZIP_CACHE_READAHEAD,
EROFS_ZIP_CACHE_READAROUND
};
+#ifdef CONFIG_EROFS_FS_ZIP
#define EROFS_LOCKED_MAGIC (INT_MIN | 0xE0F510CCL)
/* basic unit of the workstation of a super_block */
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index 3abbecbf73de..52f201e03c62 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -244,9 +244,7 @@ static struct dentry *erofs_lookup(struct inode *dir,
const struct inode_operations erofs_dir_iops = {
.lookup = erofs_lookup,
.getattr = erofs_getattr,
-#ifdef CONFIG_EROFS_FS_XATTR
.listxattr = erofs_listxattr,
-#endif
.get_acl = erofs_get_acl,
};
diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index b514c67e5fc2..7a13ffb07c23 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -10,6 +10,8 @@
#include <linux/parser.h>
#include <linux/seq_file.h>
#include <linux/crc32c.h>
+#include <linux/fs_context.h>
+#include <linux/fs_parser.h>
#include "xattr.h"
#define CREATE_TRACE_POINTS
@@ -192,53 +194,18 @@ out:
return ret;
}
-#ifdef CONFIG_EROFS_FS_ZIP
-static int erofs_build_cache_strategy(struct super_block *sb,
- substring_t *args)
-{
- struct erofs_sb_info *sbi = EROFS_SB(sb);
- const char *cs = match_strdup(args);
- int err = 0;
-
- if (!cs) {
- erofs_err(sb, "Not enough memory to store cache strategy");
- return -ENOMEM;
- }
-
- if (!strcmp(cs, "disabled")) {
- sbi->cache_strategy = EROFS_ZIP_CACHE_DISABLED;
- } else if (!strcmp(cs, "readahead")) {
- sbi->cache_strategy = EROFS_ZIP_CACHE_READAHEAD;
- } else if (!strcmp(cs, "readaround")) {
- sbi->cache_strategy = EROFS_ZIP_CACHE_READAROUND;
- } else {
- erofs_err(sb, "Unrecognized cache strategy \"%s\"", cs);
- err = -EINVAL;
- }
- kfree(cs);
- return err;
-}
-#else
-static int erofs_build_cache_strategy(struct super_block *sb,
- substring_t *args)
-{
- erofs_info(sb, "EROFS compression is disabled, so cache strategy is ignored");
- return 0;
-}
-#endif
-
/* set up default EROFS parameters */
-static void erofs_default_options(struct erofs_sb_info *sbi)
+static void erofs_default_options(struct erofs_fs_context *ctx)
{
#ifdef CONFIG_EROFS_FS_ZIP
- sbi->cache_strategy = EROFS_ZIP_CACHE_READAROUND;
- sbi->max_sync_decompress_pages = 3;
+ ctx->cache_strategy = EROFS_ZIP_CACHE_READAROUND;
+ ctx->max_sync_decompress_pages = 3;
#endif
#ifdef CONFIG_EROFS_FS_XATTR
- set_opt(sbi, XATTR_USER);
+ set_opt(ctx, XATTR_USER);
#endif
#ifdef CONFIG_EROFS_FS_POSIX_ACL
- set_opt(sbi, POSIX_ACL);
+ set_opt(ctx, POSIX_ACL);
#endif
}
@@ -251,73 +218,62 @@ enum {
Opt_err
};
-static match_table_t erofs_tokens = {
- {Opt_user_xattr, "user_xattr"},
- {Opt_nouser_xattr, "nouser_xattr"},
- {Opt_acl, "acl"},
- {Opt_noacl, "noacl"},
- {Opt_cache_strategy, "cache_strategy=%s"},
- {Opt_err, NULL}
+static const struct constant_table erofs_param_cache_strategy[] = {
+ {"disabled", EROFS_ZIP_CACHE_DISABLED},
+ {"readahead", EROFS_ZIP_CACHE_READAHEAD},
+ {"readaround", EROFS_ZIP_CACHE_READAROUND},
+ {}
};
-static int erofs_parse_options(struct super_block *sb, char *options)
-{
- substring_t args[MAX_OPT_ARGS];
- char *p;
- int err;
-
- if (!options)
- return 0;
-
- while ((p = strsep(&options, ","))) {
- int token;
+static const struct fs_parameter_spec erofs_fs_parameters[] = {
+ fsparam_flag_no("user_xattr", Opt_user_xattr),
+ fsparam_flag_no("acl", Opt_acl),
+ fsparam_enum("cache_strategy", Opt_cache_strategy,
+ erofs_param_cache_strategy),
+ {}
+};
- if (!*p)
- continue;
+static int erofs_fc_parse_param(struct fs_context *fc,
+ struct fs_parameter *param)
+{
+ struct erofs_fs_context *ctx __maybe_unused = fc->fs_private;
+ struct fs_parse_result result;
+ int opt;
- args[0].to = args[0].from = NULL;
- token = match_token(p, erofs_tokens, args);
+ opt = fs_parse(fc, erofs_fs_parameters, param, &result);
+ if (opt < 0)
+ return opt;
- switch (token) {
+ switch (opt) {
+ case Opt_user_xattr:
#ifdef CONFIG_EROFS_FS_XATTR
- case Opt_user_xattr:
- set_opt(EROFS_SB(sb), XATTR_USER);
- break;
- case Opt_nouser_xattr:
- clear_opt(EROFS_SB(sb), XATTR_USER);
- break;
+ if (result.boolean)
+ set_opt(ctx, XATTR_USER);
+ else
+ clear_opt(ctx, XATTR_USER);
#else
- case Opt_user_xattr:
- erofs_info(sb, "user_xattr options not supported");
- break;
- case Opt_nouser_xattr:
- erofs_info(sb, "nouser_xattr options not supported");
- break;
+ errorfc(fc, "{,no}user_xattr options not supported");
#endif
+ break;
+ case Opt_acl:
#ifdef CONFIG_EROFS_FS_POSIX_ACL
- case Opt_acl:
- set_opt(EROFS_SB(sb), POSIX_ACL);
- break;
- case Opt_noacl:
- clear_opt(EROFS_SB(sb), POSIX_ACL);
- break;
+ if (result.boolean)
+ set_opt(ctx, POSIX_ACL);
+ else
+ clear_opt(ctx, POSIX_ACL);
#else
- case Opt_acl:
- erofs_info(sb, "acl options not supported");
- break;
- case Opt_noacl:
- erofs_info(sb, "noacl options not supported");
- break;
+ errorfc(fc, "{,no}acl options not supported");
#endif
- case Opt_cache_strategy:
- err = erofs_build_cache_strategy(sb, args);
- if (err)
- return err;
- break;
- default:
- erofs_err(sb, "Unrecognized mount option \"%s\" or missing value", p);
- return -EINVAL;
- }
+ break;
+ case Opt_cache_strategy:
+#ifdef CONFIG_EROFS_FS_ZIP
+ ctx->cache_strategy = result.uint_32;
+#else
+ errorfc(fc, "compression not supported, cache_strategy ignored");
+#endif
+ break;
+ default:
+ return -ENOPARAM;
}
return 0;
}
@@ -381,10 +337,11 @@ static int erofs_init_managed_cache(struct super_block *sb)
static int erofs_init_managed_cache(struct super_block *sb) { return 0; }
#endif
-static int erofs_fill_super(struct super_block *sb, void *data, int silent)
+static int erofs_fc_fill_super(struct super_block *sb, struct fs_context *fc)
{
struct inode *inode;
struct erofs_sb_info *sbi;
+ struct erofs_fs_context *ctx = fc->fs_private;
int err;
sb->s_magic = EROFS_SUPER_MAGIC;
@@ -408,22 +365,15 @@ static int erofs_fill_super(struct super_block *sb, void *data, int silent)
sb->s_time_gran = 1;
sb->s_op = &erofs_sops;
-
-#ifdef CONFIG_EROFS_FS_XATTR
sb->s_xattr = erofs_xattr_handlers;
-#endif
- /* set erofs default mount options */
- erofs_default_options(sbi);
- err = erofs_parse_options(sb, data);
- if (err)
- return err;
-
- if (test_opt(sbi, POSIX_ACL))
+ if (test_opt(ctx, POSIX_ACL))
sb->s_flags |= SB_POSIXACL;
else
sb->s_flags &= ~SB_POSIXACL;
+ sbi->ctx = *ctx;
+
#ifdef CONFIG_EROFS_FS_ZIP
xa_init(&sbi->managed_pslots);
#endif
@@ -450,15 +400,58 @@ static int erofs_fill_super(struct super_block *sb, void *data, int silent)
if (err)
return err;
- erofs_info(sb, "mounted with opts: %s, root inode @ nid %llu.",
- (char *)data, ROOT_NID(sbi));
+ erofs_info(sb, "mounted with root inode @ nid %llu.", ROOT_NID(sbi));
+ return 0;
+}
+
+static int erofs_fc_get_tree(struct fs_context *fc)
+{
+ return get_tree_bdev(fc, erofs_fc_fill_super);
+}
+
+static int erofs_fc_reconfigure(struct fs_context *fc)
+{
+ struct super_block *sb = fc->root->d_sb;
+ struct erofs_sb_info *sbi = EROFS_SB(sb);
+ struct erofs_fs_context *ctx = fc->fs_private;
+
+ DBG_BUGON(!sb_rdonly(sb));
+
+ if (test_opt(ctx, POSIX_ACL))
+ fc->sb_flags |= SB_POSIXACL;
+ else
+ fc->sb_flags &= ~SB_POSIXACL;
+
+ sbi->ctx = *ctx;
+
+ fc->sb_flags |= SB_RDONLY;
return 0;
}
-static struct dentry *erofs_mount(struct file_system_type *fs_type, int flags,
- const char *dev_name, void *data)
+static void erofs_fc_free(struct fs_context *fc)
{
- return mount_bdev(fs_type, flags, dev_name, data, erofs_fill_super);
+ kfree(fc->fs_private);
+}
+
+static const struct fs_context_operations erofs_context_ops = {
+ .parse_param = erofs_fc_parse_param,
+ .get_tree = erofs_fc_get_tree,
+ .reconfigure = erofs_fc_reconfigure,
+ .free = erofs_fc_free,
+};
+
+static int erofs_init_fs_context(struct fs_context *fc)
+{
+ fc->fs_private = kzalloc(sizeof(struct erofs_fs_context), GFP_KERNEL);
+ if (!fc->fs_private)
+ return -ENOMEM;
+
+ /* set default mount options */
+ erofs_default_options(fc->fs_private);
+
+ fc->ops = &erofs_context_ops;
+
+ return 0;
}
/*
@@ -497,7 +490,7 @@ static void erofs_put_super(struct super_block *sb)
static struct file_system_type erofs_fs_type = {
.owner = THIS_MODULE,
.name = "erofs",
- .mount = erofs_mount,
+ .init_fs_context = erofs_init_fs_context,
.kill_sb = erofs_kill_sb,
.fs_flags = FS_REQUIRES_DEV,
};
@@ -578,61 +571,37 @@ static int erofs_statfs(struct dentry *dentry, struct kstatfs *buf)
static int erofs_show_options(struct seq_file *seq, struct dentry *root)
{
struct erofs_sb_info *sbi __maybe_unused = EROFS_SB(root->d_sb);
+ struct erofs_fs_context *ctx __maybe_unused = &sbi->ctx;
#ifdef CONFIG_EROFS_FS_XATTR
- if (test_opt(sbi, XATTR_USER))
+ if (test_opt(ctx, XATTR_USER))
seq_puts(seq, ",user_xattr");
else
seq_puts(seq, ",nouser_xattr");
#endif
#ifdef CONFIG_EROFS_FS_POSIX_ACL
- if (test_opt(sbi, POSIX_ACL))
+ if (test_opt(ctx, POSIX_ACL))
seq_puts(seq, ",acl");
else
seq_puts(seq, ",noacl");
#endif
#ifdef CONFIG_EROFS_FS_ZIP
- if (sbi->cache_strategy == EROFS_ZIP_CACHE_DISABLED) {
+ if (ctx->cache_strategy == EROFS_ZIP_CACHE_DISABLED)
seq_puts(seq, ",cache_strategy=disabled");
- } else if (sbi->cache_strategy == EROFS_ZIP_CACHE_READAHEAD) {
+ else if (ctx->cache_strategy == EROFS_ZIP_CACHE_READAHEAD)
seq_puts(seq, ",cache_strategy=readahead");
- } else if (sbi->cache_strategy == EROFS_ZIP_CACHE_READAROUND) {
+ else if (ctx->cache_strategy == EROFS_ZIP_CACHE_READAROUND)
seq_puts(seq, ",cache_strategy=readaround");
- }
#endif
return 0;
}
-static int erofs_remount(struct super_block *sb, int *flags, char *data)
-{
- struct erofs_sb_info *sbi = EROFS_SB(sb);
- unsigned int org_mnt_opt = sbi->mount_opt;
- int err;
-
- DBG_BUGON(!sb_rdonly(sb));
- err = erofs_parse_options(sb, data);
- if (err)
- goto out;
-
- if (test_opt(sbi, POSIX_ACL))
- sb->s_flags |= SB_POSIXACL;
- else
- sb->s_flags &= ~SB_POSIXACL;
-
- *flags |= SB_RDONLY;
- return 0;
-out:
- sbi->mount_opt = org_mnt_opt;
- return err;
-}
-
const struct super_operations erofs_sops = {
.put_super = erofs_put_super,
.alloc_inode = erofs_alloc_inode,
.free_inode = erofs_free_inode,
.statfs = erofs_statfs,
.show_options = erofs_show_options,
- .remount_fs = erofs_remount,
};
module_init(erofs_module_init);
diff --git a/fs/erofs/xattr.c b/fs/erofs/xattr.c
index b766c3ee5fa8..87e437e7b34f 100644
--- a/fs/erofs/xattr.c
+++ b/fs/erofs/xattr.c
@@ -422,7 +422,7 @@ static int shared_getxattr(struct inode *inode, struct getxattr_iter *it)
static bool erofs_xattr_user_list(struct dentry *dentry)
{
- return test_opt(EROFS_SB(dentry->d_sb), XATTR_USER);
+ return test_opt(&EROFS_SB(dentry->d_sb)->ctx, XATTR_USER);
}
static bool erofs_xattr_trusted_list(struct dentry *dentry)
@@ -469,7 +469,7 @@ static int erofs_xattr_generic_get(const struct xattr_handler *handler,
switch (handler->flags) {
case EROFS_XATTR_INDEX_USER:
- if (!test_opt(sbi, XATTR_USER))
+ if (!test_opt(&sbi->ctx, XATTR_USER))
return -EOPNOTSUPP;
break;
case EROFS_XATTR_INDEX_TRUSTED:
diff --git a/fs/erofs/xattr.h b/fs/erofs/xattr.h
index 50966f1c676e..e4e5093f012c 100644
--- a/fs/erofs/xattr.h
+++ b/fs/erofs/xattr.h
@@ -76,11 +76,8 @@ static inline int erofs_getxattr(struct inode *inode, int index,
return -EOPNOTSUPP;
}
-static inline ssize_t erofs_listxattr(struct dentry *dentry,
- char *buffer, size_t buffer_size)
-{
- return -EOPNOTSUPP;
-}
+#define erofs_listxattr (NULL)
+#define erofs_xattr_handlers (NULL)
#endif /* !CONFIG_EROFS_FS_XATTR */
#ifdef CONFIG_EROFS_FS_POSIX_ACL
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index c4b6c9aa87ec..be50a4d9d273 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -615,7 +615,7 @@ restart_now:
goto err_out;
/* preload all compressed pages (maybe downgrade role if necessary) */
- if (should_alloc_managed_pages(fe, sbi->cache_strategy, map->m_la))
+ if (should_alloc_managed_pages(fe, sbi->ctx.cache_strategy, map->m_la))
cache_strategy = DELAYEDALLOC;
else
cache_strategy = DONTALLOC;
@@ -1302,31 +1302,26 @@ static int z_erofs_readpage(struct file *file, struct page *page)
static bool should_decompress_synchronously(struct erofs_sb_info *sbi,
unsigned int nr)
{
- return nr <= sbi->max_sync_decompress_pages;
+ return nr <= sbi->ctx.max_sync_decompress_pages;
}
-static int z_erofs_readpages(struct file *filp, struct address_space *mapping,
- struct list_head *pages, unsigned int nr_pages)
+static void z_erofs_readahead(struct readahead_control *rac)
{
- struct inode *const inode = mapping->host;
+ struct inode *const inode = rac->mapping->host;
struct erofs_sb_info *const sbi = EROFS_I_SB(inode);
- bool sync = should_decompress_synchronously(sbi, nr_pages);
+ bool sync = should_decompress_synchronously(sbi, readahead_count(rac));
struct z_erofs_decompress_frontend f = DECOMPRESS_FRONTEND_INIT(inode);
- gfp_t gfp = mapping_gfp_constraint(mapping, GFP_KERNEL);
- struct page *head = NULL;
+ struct page *page, *head = NULL;
LIST_HEAD(pagepool);
- trace_erofs_readpages(mapping->host, lru_to_page(pages),
- nr_pages, false);
+ trace_erofs_readpages(inode, readahead_index(rac),
+ readahead_count(rac), false);
- f.headoffset = (erofs_off_t)lru_to_page(pages)->index << PAGE_SHIFT;
-
- for (; nr_pages; --nr_pages) {
- struct page *page = lru_to_page(pages);
+ f.headoffset = readahead_pos(rac);
+ while ((page = readahead_page(rac))) {
prefetchw(&page->flags);
- list_del(&page->lru);
/*
* A pure asynchronous readahead is indicated if
@@ -1335,11 +1330,6 @@ static int z_erofs_readpages(struct file *filp, struct address_space *mapping,
*/
sync &= !(PageReadahead(page) && !head);
- if (add_to_page_cache_lru(page, mapping, page->index, gfp)) {
- list_add(&page->lru, &pagepool);
- continue;
- }
-
set_page_private(page, (unsigned long)head);
head = page;
}
@@ -1368,11 +1358,10 @@ static int z_erofs_readpages(struct file *filp, struct address_space *mapping,
/* clean up the remaining free pages */
put_pages_list(&pagepool);
- return 0;
}
const struct address_space_operations z_erofs_aops = {
.readpage = z_erofs_readpage,
- .readpages = z_erofs_readpages,
+ .readahead = z_erofs_readahead,
};
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 8c596641a72b..12eebcdea9c8 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1171,6 +1171,10 @@ static inline bool chain_epi_lockless(struct epitem *epi)
{
struct eventpoll *ep = epi->ep;
+ /* Fast preliminary check */
+ if (epi->next != EP_UNACTIVE_PTR)
+ return false;
+
/* Check that the same epi has not been just chained from another CPU */
if (cmpxchg(&epi->next, EP_UNACTIVE_PTR, NULL) != EP_UNACTIVE_PTR)
return false;
@@ -1237,16 +1241,12 @@ static int ep_poll_callback(wait_queue_entry_t *wait, unsigned mode, int sync, v
* chained in ep->ovflist and requeued later on.
*/
if (READ_ONCE(ep->ovflist) != EP_UNACTIVE_PTR) {
- if (epi->next == EP_UNACTIVE_PTR &&
- chain_epi_lockless(epi))
+ if (chain_epi_lockless(epi))
+ ep_pm_stay_awake_rcu(epi);
+ } else if (!ep_is_linked(epi)) {
+ /* In the usual case, add event to ready list. */
+ if (list_add_tail_lockless(&epi->rdllink, &ep->rdllist))
ep_pm_stay_awake_rcu(epi);
- goto out_unlock;
- }
-
- /* If this file is already in the ready list we exit soon */
- if (!ep_is_linked(epi) &&
- list_add_tail_lockless(&epi->rdllink, &ep->rdllist)) {
- ep_pm_stay_awake_rcu(epi);
}
/*
@@ -1822,7 +1822,6 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
{
int res = 0, eavail, timed_out = 0;
u64 slack = 0;
- bool waiter = false;
wait_queue_entry_t wait;
ktime_t expires, *to = NULL;
@@ -1867,55 +1866,75 @@ fetch_events:
*/
ep_reset_busy_poll_napi_id(ep);
- /*
- * We don't have any available event to return to the caller. We need
- * to sleep here, and we will be woken by ep_poll_callback() when events
- * become available.
- */
- if (!waiter) {
- waiter = true;
- init_waitqueue_entry(&wait, current);
+ do {
+ /*
+ * Internally init_wait() uses autoremove_wake_function(),
+ * thus wait entry is removed from the wait queue on each
+ * wakeup. Why it is important? In case of several waiters
+ * each new wakeup will hit the next waiter, giving it the
+ * chance to harvest new event. Otherwise wakeup can be
+ * lost. This is also good performance-wise, because on
+ * normal wakeup path no need to call __remove_wait_queue()
+ * explicitly, thus ep->lock is not taken, which halts the
+ * event delivery.
+ */
+ init_wait(&wait);
write_lock_irq(&ep->lock);
- __add_wait_queue_exclusive(&ep->wq, &wait);
- write_unlock_irq(&ep->lock);
- }
-
- for (;;) {
/*
- * We don't want to sleep if the ep_poll_callback() sends us
- * a wakeup in between. That's why we set the task state
- * to TASK_INTERRUPTIBLE before doing the checks.
+ * Barrierless variant, waitqueue_active() is called under
+ * the same lock on wakeup ep_poll_callback() side, so it
+ * is safe to avoid an explicit barrier.
*/
- set_current_state(TASK_INTERRUPTIBLE);
+ __set_current_state(TASK_INTERRUPTIBLE);
+
/*
- * Always short-circuit for fatal signals to allow
- * threads to make a timely exit without the chance of
- * finding more events available and fetching
- * repeatedly.
+ * Do the final check under the lock. ep_scan_ready_list()
+ * plays with two lists (->rdllist and ->ovflist) and there
+ * is always a race when both lists are empty for short
+ * period of time although events are pending, so lock is
+ * important.
*/
- if (fatal_signal_pending(current)) {
- res = -EINTR;
- break;
+ eavail = ep_events_available(ep);
+ if (!eavail) {
+ if (signal_pending(current))
+ res = -EINTR;
+ else
+ __add_wait_queue_exclusive(&ep->wq, &wait);
}
+ write_unlock_irq(&ep->lock);
- eavail = ep_events_available(ep);
- if (eavail)
+ if (eavail || res)
break;
- if (signal_pending(current)) {
- res = -EINTR;
- break;
- }
if (!schedule_hrtimeout_range(to, slack, HRTIMER_MODE_ABS)) {
timed_out = 1;
break;
}
- }
+
+ /* We were woken up, thus go and try to harvest some events */
+ eavail = 1;
+
+ } while (0);
__set_current_state(TASK_RUNNING);
+ if (!list_empty_careful(&wait.entry)) {
+ write_lock_irq(&ep->lock);
+ __remove_wait_queue(&ep->wq, &wait);
+ write_unlock_irq(&ep->lock);
+ }
+
send_events:
+ if (fatal_signal_pending(current)) {
+ /*
+ * Always short-circuit for fatal signals to allow
+ * threads to make a timely exit without the chance of
+ * finding more events available and fetching
+ * repeatedly.
+ */
+ res = -EINTR;
+ }
/*
* Try to transfer events to user space. In case we get 0 events and
* there's still timeout left over, we go trying again in search of
@@ -1925,12 +1944,6 @@ send_events:
!(res = ep_send_events(ep, events, maxevents)) && !timed_out)
goto fetch_events;
- if (waiter) {
- write_lock_irq(&ep->lock);
- __remove_wait_queue(&ep->wq, &wait);
- write_unlock_irq(&ep->lock);
- }
-
return res;
}
diff --git a/fs/exec.c b/fs/exec.c
index 06b4c550af5d..2c465119affc 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1317,6 +1317,8 @@ int flush_old_exec(struct linux_binprm * bprm)
*/
set_mm_exe_file(bprm->mm, bprm->file);
+ would_dump(bprm, bprm->file);
+
/*
* Release all of the old mmap stuff
*/
@@ -1876,8 +1878,6 @@ static int __do_execve_file(int fd, struct filename *filename,
if (retval < 0)
goto out;
- would_dump(bprm, bprm->file);
-
retval = exec_binprm(bprm);
if (retval < 0)
goto out;
diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c
index 6a04cc02565a..6774a5a6ded8 100644
--- a/fs/exfat/balloc.c
+++ b/fs/exfat/balloc.c
@@ -91,7 +91,6 @@ static int exfat_allocate_bitmap(struct super_block *sb,
}
}
- sbi->pbr_bh = NULL;
return 0;
}
@@ -137,8 +136,6 @@ void exfat_free_bitmap(struct exfat_sb_info *sbi)
{
int i;
- brelse(sbi->pbr_bh);
-
for (i = 0; i < sbi->map_sectors; i++)
__brelse(sbi->vol_amap[i]);
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 67d4e46fb810..d67fb8a6f770 100644
--- a/fs/exfat/exfat_fs.h
+++ b/fs/exfat/exfat_fs.h
@@ -507,6 +507,7 @@ void exfat_msg(struct super_block *sb, const char *lv, const char *fmt, ...)
__printf(3, 4) __cold;
void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 tz, __le16 time, __le16 date, u8 time_ms);
+void exfat_truncate_atime(struct timespec64 *ts);
void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
u8 *tz, __le16 *time, __le16 *date, u8 *time_ms);
unsigned short exfat_calc_chksum_2byte(void *data, int len,
diff --git a/fs/exfat/file.c b/fs/exfat/file.c
index 483f683757aa..c9db8eb0cfc3 100644
--- a/fs/exfat/file.c
+++ b/fs/exfat/file.c
@@ -273,6 +273,7 @@ int exfat_getattr(const struct path *path, struct kstat *stat,
struct exfat_inode_info *ei = EXFAT_I(inode);
generic_fillattr(inode, stat);
+ exfat_truncate_atime(&stat->atime);
stat->result_mask |= STATX_BTIME;
stat->btime.tv_sec = ei->i_crtime.tv_sec;
stat->btime.tv_nsec = ei->i_crtime.tv_nsec;
@@ -339,6 +340,7 @@ int exfat_setattr(struct dentry *dentry, struct iattr *attr)
}
setattr_copy(inode, attr);
+ exfat_truncate_atime(&inode->i_atime);
mark_inode_dirty(inode);
out:
@@ -346,12 +348,13 @@ out:
}
const struct file_operations exfat_file_operations = {
- .llseek = generic_file_llseek,
- .read_iter = generic_file_read_iter,
- .write_iter = generic_file_write_iter,
- .mmap = generic_file_mmap,
- .fsync = generic_file_fsync,
- .splice_read = generic_file_splice_read,
+ .llseek = generic_file_llseek,
+ .read_iter = generic_file_read_iter,
+ .write_iter = generic_file_write_iter,
+ .mmap = generic_file_mmap,
+ .fsync = generic_file_fsync,
+ .splice_read = generic_file_splice_read,
+ .splice_write = iter_file_splice_write,
};
const struct inode_operations exfat_file_inode_operations = {
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
index 06887492f54b..785ead346543 100644
--- a/fs/exfat/inode.c
+++ b/fs/exfat/inode.c
@@ -372,10 +372,9 @@ static int exfat_readpage(struct file *file, struct page *page)
return mpage_readpage(page, exfat_get_block);
}
-static int exfat_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned int nr_pages)
+static void exfat_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, exfat_get_block);
+ mpage_readahead(rac, exfat_get_block);
}
static int exfat_writepage(struct page *page, struct writeback_control *wbc)
@@ -502,7 +501,7 @@ int exfat_block_truncate_page(struct inode *inode, loff_t from)
static const struct address_space_operations exfat_aops = {
.readpage = exfat_readpage,
- .readpages = exfat_readpages,
+ .readahead = exfat_readahead,
.writepage = exfat_writepage,
.writepages = exfat_writepages,
.write_begin = exfat_write_begin,
diff --git a/fs/exfat/misc.c b/fs/exfat/misc.c
index 14a3300848f6..ebd2cbe3cbc1 100644
--- a/fs/exfat/misc.c
+++ b/fs/exfat/misc.c
@@ -88,7 +88,8 @@ void exfat_get_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
if (time_ms) {
ts->tv_sec += time_ms / 100;
ts->tv_nsec = (time_ms % 100) * 10 * NSEC_PER_MSEC;
- }
+ } else
+ ts->tv_nsec = 0;
if (tz & EXFAT_TZ_VALID)
/* Adjust timezone to UTC0. */
@@ -124,6 +125,17 @@ void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts,
*tz = EXFAT_TZ_VALID;
}
+/*
+ * The timestamp for access_time has double seconds granularity.
+ * (There is no 10msIncrement field for access_time unlike create/modify_time)
+ * atime also has only a 2-second resolution.
+ */
+void exfat_truncate_atime(struct timespec64 *ts)
+{
+ ts->tv_sec = round_down(ts->tv_sec, 2);
+ ts->tv_nsec = 0;
+}
+
unsigned short exfat_calc_chksum_2byte(void *data, int len,
unsigned short chksum, int type)
{
diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c
index a8681d91f569..a2659a8a68a1 100644
--- a/fs/exfat/namei.c
+++ b/fs/exfat/namei.c
@@ -595,6 +595,7 @@ static int exfat_create(struct inode *dir, struct dentry *dentry, umode_t mode,
inode_inc_iversion(inode);
inode->i_mtime = inode->i_atime = inode->i_ctime =
EXFAT_I(inode)->i_crtime = current_time(inode);
+ exfat_truncate_atime(&inode->i_atime);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -691,6 +692,7 @@ static int exfat_find(struct inode *dir, struct qstr *qname,
exfat_fs_error(sb,
"non-zero size file starts with zero cluster (size : %llu, p_dir : %u, entry : 0x%08x)",
i_size_read(dir), ei->dir.dir, ei->entry);
+ kfree(es);
return -EIO;
}
@@ -854,6 +856,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
inode_inc_iversion(dir);
dir->i_mtime = dir->i_atime = current_time(dir);
+ exfat_truncate_atime(&dir->i_atime);
if (IS_DIRSYNC(dir))
exfat_sync_inode(dir);
else
@@ -861,6 +864,7 @@ static int exfat_unlink(struct inode *dir, struct dentry *dentry)
clear_nlink(inode);
inode->i_mtime = inode->i_atime = current_time(inode);
+ exfat_truncate_atime(&inode->i_atime);
exfat_unhash_inode(inode);
exfat_d_version_set(dentry, inode_query_iversion(dir));
unlock:
@@ -903,6 +907,7 @@ static int exfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
inode_inc_iversion(inode);
inode->i_mtime = inode->i_atime = inode->i_ctime =
EXFAT_I(inode)->i_crtime = current_time(inode);
+ exfat_truncate_atime(&inode->i_atime);
/* timestamp is already written, so mark_inode_dirty() is unneeded. */
d_instantiate(dentry, inode);
@@ -1019,6 +1024,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
inode_inc_iversion(dir);
dir->i_mtime = dir->i_atime = current_time(dir);
+ exfat_truncate_atime(&dir->i_atime);
if (IS_DIRSYNC(dir))
exfat_sync_inode(dir);
else
@@ -1027,6 +1033,7 @@ static int exfat_rmdir(struct inode *dir, struct dentry *dentry)
clear_nlink(inode);
inode->i_mtime = inode->i_atime = current_time(inode);
+ exfat_truncate_atime(&inode->i_atime);
exfat_unhash_inode(inode);
exfat_d_version_set(dentry, inode_query_iversion(dir));
unlock:
@@ -1387,6 +1394,7 @@ static int exfat_rename(struct inode *old_dir, struct dentry *old_dentry,
inode_inc_iversion(new_dir);
new_dir->i_ctime = new_dir->i_mtime = new_dir->i_atime =
EXFAT_I(new_dir)->i_crtime = current_time(new_dir);
+ exfat_truncate_atime(&new_dir->i_atime);
if (IS_DIRSYNC(new_dir))
exfat_sync_inode(new_dir);
else
diff --git a/fs/exfat/super.c b/fs/exfat/super.c
index 16ed202ef527..a846ff555656 100644
--- a/fs/exfat/super.c
+++ b/fs/exfat/super.c
@@ -49,6 +49,7 @@ static void exfat_put_super(struct super_block *sb)
sync_blockdev(sb->s_bdev);
exfat_set_vol_flags(sb, VOL_CLEAN);
exfat_free_bitmap(sbi);
+ brelse(sbi->pbr_bh);
mutex_unlock(&sbi->s_lock);
call_rcu(&sbi->rcu, exfat_delayed_free);
@@ -100,7 +101,7 @@ static int exfat_statfs(struct dentry *dentry, struct kstatfs *buf)
int exfat_set_vol_flags(struct super_block *sb, unsigned short new_flag)
{
struct exfat_sb_info *sbi = EXFAT_SB(sb);
- struct pbr64 *bpb;
+ struct pbr64 *bpb = (struct pbr64 *)sbi->pbr_bh->b_data;
bool sync = 0;
/* flags are not changed */
@@ -115,15 +116,6 @@ int exfat_set_vol_flags(struct super_block *sb, unsigned short new_flag)
if (sb_rdonly(sb))
return 0;
- if (!sbi->pbr_bh) {
- sbi->pbr_bh = sb_bread(sb, 0);
- if (!sbi->pbr_bh) {
- exfat_msg(sb, KERN_ERR, "failed to read boot sector");
- return -ENOMEM;
- }
- }
-
- bpb = (struct pbr64 *)sbi->pbr_bh->b_data;
bpb->bsx.vol_flags = cpu_to_le16(new_flag);
if (new_flag == VOL_DIRTY && !buffer_dirty(sbi->pbr_bh))
@@ -159,7 +151,6 @@ static int exfat_show_options(struct seq_file *m, struct dentry *root)
seq_puts(m, ",iocharset=utf8");
else if (sbi->nls_io)
seq_printf(m, ",iocharset=%s", sbi->nls_io->charset);
- seq_printf(m, ",bps=%ld", sb->s_blocksize);
if (opts->errors == EXFAT_ERRORS_CONT)
seq_puts(m, ",errors=continue");
else if (opts->errors == EXFAT_ERRORS_PANIC)
@@ -212,6 +203,12 @@ enum {
Opt_errors,
Opt_discard,
Opt_time_offset,
+
+ /* Deprecated options */
+ Opt_utf8,
+ Opt_debug,
+ Opt_namecase,
+ Opt_codepage,
};
static const struct constant_table exfat_param_enums[] = {
@@ -232,6 +229,14 @@ static const struct fs_parameter_spec exfat_parameters[] = {
fsparam_enum("errors", Opt_errors, exfat_param_enums),
fsparam_flag("discard", Opt_discard),
fsparam_s32("time_offset", Opt_time_offset),
+ __fsparam(NULL, "utf8", Opt_utf8, fs_param_deprecated,
+ NULL),
+ __fsparam(NULL, "debug", Opt_debug, fs_param_deprecated,
+ NULL),
+ __fsparam(fs_param_is_u32, "namecase", Opt_namecase,
+ fs_param_deprecated, NULL),
+ __fsparam(fs_param_is_u32, "codepage", Opt_codepage,
+ fs_param_deprecated, NULL),
{}
};
@@ -287,6 +292,11 @@ static int exfat_parse_param(struct fs_context *fc, struct fs_parameter *param)
return -EINVAL;
opts->time_offset = result.int_32;
break;
+ case Opt_utf8:
+ case Opt_debug:
+ case Opt_namecase:
+ case Opt_codepage:
+ break;
default:
return -EINVAL;
}
@@ -351,14 +361,15 @@ static int exfat_read_root(struct inode *inode)
exfat_save_attr(inode, ATTR_SUBDIR);
inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime =
current_time(inode);
+ exfat_truncate_atime(&inode->i_atime);
exfat_cache_init_inode(inode);
return 0;
}
-static struct pbr *exfat_read_pbr_with_logical_sector(struct super_block *sb,
- struct buffer_head **prev_bh)
+static struct pbr *exfat_read_pbr_with_logical_sector(struct super_block *sb)
{
- struct pbr *p_pbr = (struct pbr *) (*prev_bh)->b_data;
+ struct exfat_sb_info *sbi = EXFAT_SB(sb);
+ struct pbr *p_pbr = (struct pbr *) (sbi->pbr_bh)->b_data;
unsigned short logical_sect = 0;
logical_sect = 1 << p_pbr->bsx.f64.sect_size_bits;
@@ -378,26 +389,23 @@ static struct pbr *exfat_read_pbr_with_logical_sector(struct super_block *sb,
}
if (logical_sect > sb->s_blocksize) {
- struct buffer_head *bh = NULL;
-
- __brelse(*prev_bh);
- *prev_bh = NULL;
+ brelse(sbi->pbr_bh);
+ sbi->pbr_bh = NULL;
if (!sb_set_blocksize(sb, logical_sect)) {
exfat_msg(sb, KERN_ERR,
"unable to set blocksize %u", logical_sect);
return NULL;
}
- bh = sb_bread(sb, 0);
- if (!bh) {
+ sbi->pbr_bh = sb_bread(sb, 0);
+ if (!sbi->pbr_bh) {
exfat_msg(sb, KERN_ERR,
"unable to read boot sector (logical sector size = %lu)",
sb->s_blocksize);
return NULL;
}
- *prev_bh = bh;
- p_pbr = (struct pbr *) bh->b_data;
+ p_pbr = (struct pbr *)sbi->pbr_bh->b_data;
}
return p_pbr;
}
@@ -408,21 +416,20 @@ static int __exfat_fill_super(struct super_block *sb)
int ret;
struct pbr *p_pbr;
struct pbr64 *p_bpb;
- struct buffer_head *bh;
struct exfat_sb_info *sbi = EXFAT_SB(sb);
/* set block size to read super block */
sb_min_blocksize(sb, 512);
/* read boot sector */
- bh = sb_bread(sb, 0);
- if (!bh) {
+ sbi->pbr_bh = sb_bread(sb, 0);
+ if (!sbi->pbr_bh) {
exfat_msg(sb, KERN_ERR, "unable to read boot sector");
return -EIO;
}
/* PRB is read */
- p_pbr = (struct pbr *)bh->b_data;
+ p_pbr = (struct pbr *)sbi->pbr_bh->b_data;
/* check the validity of PBR */
if (le16_to_cpu((p_pbr->signature)) != PBR_SIGNATURE) {
@@ -433,7 +440,7 @@ static int __exfat_fill_super(struct super_block *sb)
/* check logical sector size */
- p_pbr = exfat_read_pbr_with_logical_sector(sb, &bh);
+ p_pbr = exfat_read_pbr_with_logical_sector(sb);
if (!p_pbr) {
ret = -EIO;
goto free_bh;
@@ -514,7 +521,7 @@ free_alloc_bitmap:
free_upcase_table:
exfat_free_upcase_table(sbi);
free_bh:
- brelse(bh);
+ brelse(sbi->pbr_bh);
return ret;
}
@@ -531,17 +538,18 @@ static int exfat_fill_super(struct super_block *sb, struct fs_context *fc)
if (opts->discard) {
struct request_queue *q = bdev_get_queue(sb->s_bdev);
- if (!blk_queue_discard(q))
+ if (!blk_queue_discard(q)) {
exfat_msg(sb, KERN_WARNING,
"mounting with \"discard\" option, but the device does not support discard");
- opts->discard = 0;
+ opts->discard = 0;
+ }
}
sb->s_flags |= SB_NODIRATIME;
sb->s_magic = EXFAT_SUPER_MAGIC;
sb->s_op = &exfat_sops;
- sb->s_time_gran = 1;
+ sb->s_time_gran = 10 * NSEC_PER_MSEC;
sb->s_time_min = EXFAT_MIN_TIMESTAMP_SECS;
sb->s_time_max = EXFAT_MAX_TIMESTAMP_SECS;
@@ -605,6 +613,7 @@ put_inode:
free_table:
exfat_free_upcase_table(sbi);
exfat_free_bitmap(sbi);
+ brelse(sbi->pbr_bh);
check_nls_io:
unload_nls(sbi->nls_io);
@@ -717,6 +726,7 @@ static void __exit exit_exfat_fs(void)
module_init(init_exfat_fs);
module_exit(exit_exfat_fs);
+MODULE_ALIAS_FS("exfat");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("exFAT filesystem support");
MODULE_AUTHOR("Samsung Electronics Co., Ltd.");
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index c885cf7d724b..2875c0a705b5 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -877,11 +877,9 @@ static int ext2_readpage(struct file *file, struct page *page)
return mpage_readpage(page, ext2_get_block);
}
-static int
-ext2_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void ext2_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, ext2_get_block);
+ mpage_readahead(rac, ext2_get_block);
}
static int
@@ -967,7 +965,7 @@ ext2_dax_writepages(struct address_space *mapping, struct writeback_control *wbc
const struct address_space_operations ext2_aops = {
.readpage = ext2_readpage,
- .readpages = ext2_readpages,
+ .readahead = ext2_readahead,
.writepage = ext2_writepage,
.write_begin = ext2_write_begin,
.write_end = ext2_write_end,
@@ -981,7 +979,7 @@ const struct address_space_operations ext2_aops = {
const struct address_space_operations ext2_nobh_aops = {
.readpage = ext2_readpage,
- .readpages = ext2_readpages,
+ .readahead = ext2_readahead,
.writepage = ext2_nobh_writepage,
.write_begin = ext2_nobh_write_begin,
.write_end = nobh_write_end,
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 91eb4381cae5..15b062efcff1 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -722,7 +722,7 @@ enum {
#define EXT4_MAX_BLOCK_FILE_PHYS 0xFFFFFFFF
/* Max logical block we can support */
-#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFF
+#define EXT4_MAX_LOGICAL_BLOCK 0xFFFFFFFE
/*
* Structure of an inode on the disk
@@ -1357,11 +1357,9 @@ struct ext4_super_block {
*/
#define EXT4_MF_MNTDIR_SAMPLED 0x0001
#define EXT4_MF_FS_ABORTED 0x0002 /* Fatal error detected */
-#define EXT4_MF_TEST_DUMMY_ENCRYPTION 0x0004
#ifdef CONFIG_FS_ENCRYPTION
-#define DUMMY_ENCRYPTION_ENABLED(sbi) (unlikely((sbi)->s_mount_flags & \
- EXT4_MF_TEST_DUMMY_ENCRYPTION))
+#define DUMMY_ENCRYPTION_ENABLED(sbi) ((sbi)->s_dummy_enc_ctx.ctx != NULL)
#else
#define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
#endif
@@ -1551,6 +1549,9 @@ struct ext4_sb_info {
struct ratelimit_state s_warning_ratelimit_state;
struct ratelimit_state s_msg_ratelimit_state;
+ /* Encryption context for '-o test_dummy_encryption' */
+ struct fscrypt_dummy_context s_dummy_enc_ctx;
+
/*
* Barrier between writepages ops and changing any inode's JOURNAL_DATA
* or EXTENTS flag.
@@ -3316,9 +3317,8 @@ static inline void ext4_set_de_type(struct super_block *sb,
}
/* readpages.c */
-extern int ext4_mpage_readpages(struct address_space *mapping,
- struct list_head *pages, struct page *page,
- unsigned nr_pages, bool is_readahead);
+extern int ext4_mpage_readpages(struct inode *inode,
+ struct readahead_control *rac, struct page *page);
extern int __init ext4_init_post_read_processing(void);
extern void ext4_exit_post_read_processing(void);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index f2b577b315a0..2b4b94542e34 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4832,6 +4832,28 @@ static const struct iomap_ops ext4_iomap_xattr_ops = {
.iomap_begin = ext4_iomap_xattr_begin,
};
+static int ext4_fiemap_check_ranges(struct inode *inode, u64 start, u64 *len)
+{
+ u64 maxbytes;
+
+ if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
+ maxbytes = inode->i_sb->s_maxbytes;
+ else
+ maxbytes = EXT4_SB(inode->i_sb)->s_bitmap_maxbytes;
+
+ if (*len == 0)
+ return -EINVAL;
+ if (start > maxbytes)
+ return -EFBIG;
+
+ /*
+ * Shrink request scope to what the fs can actually handle.
+ */
+ if (*len > maxbytes || (maxbytes - *len) < start)
+ *len = maxbytes - start;
+ return 0;
+}
+
static int _ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
__u64 start, __u64 len, bool from_es_cache)
{
@@ -4852,6 +4874,15 @@ static int _ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
if (fiemap_check_flags(fieinfo, ext4_fiemap_flags))
return -EBADR;
+ /*
+ * For bitmap files the maximum size limit could be smaller than
+ * s_maxbytes, so check len here manually instead of just relying on the
+ * generic check.
+ */
+ error = ext4_fiemap_check_ranges(inode, start, &len);
+ if (error)
+ return error;
+
if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) {
fieinfo->fi_flags &= ~FIEMAP_FLAG_XATTR;
error = iomap_fiemap(inode, fieinfo, start, len,
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index e10206e7f4bb..35ff9a56db67 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -176,7 +176,7 @@ int ext4_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
ret = ext4_fsync_journal(inode, datasync, &needs_barrier);
if (needs_barrier) {
- err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (!ret)
ret = err;
}
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 4b8c9a9bdf0c..499f08d8522e 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -1440,7 +1440,7 @@ int ext4_init_inode_table(struct super_block *sb, ext4_group_t group,
if (ret < 0)
goto err_out;
if (barrier)
- blkdev_issue_flush(sb->s_bdev, GFP_NOFS, NULL);
+ blkdev_issue_flush(sb->s_bdev, GFP_NOFS);
skip_zeroout:
ext4_lock_group(sb, group);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 2a4aae6acdcb..52be85f96159 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3224,23 +3224,20 @@ static int ext4_readpage(struct file *file, struct page *page)
ret = ext4_readpage_inline(inode, page);
if (ret == -EAGAIN)
- return ext4_mpage_readpages(page->mapping, NULL, page, 1,
- false);
+ return ext4_mpage_readpages(inode, NULL, page);
return ret;
}
-static int
-ext4_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void ext4_readahead(struct readahead_control *rac)
{
- struct inode *inode = mapping->host;
+ struct inode *inode = rac->mapping->host;
- /* If the file has inline data, no need to do readpages. */
+ /* If the file has inline data, no need to do readahead. */
if (ext4_has_inline_data(inode))
- return 0;
+ return;
- return ext4_mpage_readpages(mapping, pages, NULL, nr_pages, true);
+ ext4_mpage_readpages(inode, rac, NULL);
}
static void ext4_invalidatepage(struct page *page, unsigned int offset,
@@ -3605,7 +3602,7 @@ static int ext4_set_page_dirty(struct page *page)
static const struct address_space_operations ext4_aops = {
.readpage = ext4_readpage,
- .readpages = ext4_readpages,
+ .readahead = ext4_readahead,
.writepage = ext4_writepage,
.writepages = ext4_writepages,
.write_begin = ext4_write_begin,
@@ -3622,7 +3619,7 @@ static const struct address_space_operations ext4_aops = {
static const struct address_space_operations ext4_journalled_aops = {
.readpage = ext4_readpage,
- .readpages = ext4_readpages,
+ .readahead = ext4_readahead,
.writepage = ext4_writepage,
.writepages = ext4_writepages,
.write_begin = ext4_write_begin,
@@ -3638,7 +3635,7 @@ static const struct address_space_operations ext4_journalled_aops = {
static const struct address_space_operations ext4_da_aops = {
.readpage = ext4_readpage,
- .readpages = ext4_readpages,
+ .readahead = ext4_readahead,
.writepage = ext4_writepage,
.writepages = ext4_writepages,
.write_begin = ext4_da_write_begin,
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index bfc1281fc4cb..0746532ba463 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -733,29 +733,6 @@ static void ext4_fill_fsxattr(struct inode *inode, struct fsxattr *fa)
fa->fsx_projid = from_kprojid(&init_user_ns, ei->i_projid);
}
-/* copied from fs/ioctl.c */
-static int fiemap_check_ranges(struct super_block *sb,
- u64 start, u64 len, u64 *new_len)
-{
- u64 maxbytes = (u64) sb->s_maxbytes;
-
- *new_len = len;
-
- if (len == 0)
- return -EINVAL;
-
- if (start > maxbytes)
- return -EFBIG;
-
- /*
- * Shrink request scope to what the fs can actually handle.
- */
- if (len > maxbytes || (maxbytes - len) < start)
- *new_len = maxbytes - start;
-
- return 0;
-}
-
/* So that the fiemap access checks can't overflow on 32 bit machines. */
#define FIEMAP_MAX_EXTENTS (UINT_MAX / sizeof(struct fiemap_extent))
@@ -765,8 +742,6 @@ static int ext4_ioctl_get_es_cache(struct file *filp, unsigned long arg)
struct fiemap __user *ufiemap = (struct fiemap __user *) arg;
struct fiemap_extent_info fieinfo = { 0, };
struct inode *inode = file_inode(filp);
- struct super_block *sb = inode->i_sb;
- u64 len;
int error;
if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap)))
@@ -775,11 +750,6 @@ static int ext4_ioctl_get_es_cache(struct file *filp, unsigned long arg)
if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS)
return -EINVAL;
- error = fiemap_check_ranges(sb, fiemap.fm_start, fiemap.fm_length,
- &len);
- if (error)
- return error;
-
fieinfo.fi_flags = fiemap.fm_flags;
fieinfo.fi_extents_max = fiemap.fm_extent_count;
fieinfo.fi_extents_start = ufiemap->fm_extents;
@@ -792,7 +762,8 @@ static int ext4_ioctl_get_es_cache(struct file *filp, unsigned long arg)
if (fieinfo.fi_flags & FIEMAP_FLAG_SYNC)
filemap_write_and_wait(inode->i_mapping);
- error = ext4_get_es_cache(inode, &fieinfo, fiemap.fm_start, len);
+ error = ext4_get_es_cache(inode, &fieinfo, fiemap.fm_start,
+ fiemap.fm_length);
fiemap.fm_flags = fieinfo.fi_flags;
fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped;
if (copy_to_user(ufiemap, &fiemap, sizeof(fiemap)))
diff --git a/fs/ext4/readpage.c b/fs/ext4/readpage.c
index c1769afbf799..5761e9961682 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -7,8 +7,8 @@
*
* This was originally taken from fs/mpage.c
*
- * The intent is the ext4_mpage_readpages() function here is intended
- * to replace mpage_readpages() in the general case, not just for
+ * The ext4_mpage_readpages() function here is intended to
+ * replace mpage_readahead() in the general case, not just for
* encrypted files. It has some limitations (see below), where it
* will fall back to read_block_full_page(), but these limitations
* should only be hit when page_size != block_size.
@@ -221,14 +221,12 @@ static inline loff_t ext4_readpage_limit(struct inode *inode)
return i_size_read(inode);
}
-int ext4_mpage_readpages(struct address_space *mapping,
- struct list_head *pages, struct page *page,
- unsigned nr_pages, bool is_readahead)
+int ext4_mpage_readpages(struct inode *inode,
+ struct readahead_control *rac, struct page *page)
{
struct bio *bio = NULL;
sector_t last_block_in_bio = 0;
- struct inode *inode = mapping->host;
const unsigned blkbits = inode->i_blkbits;
const unsigned blocks_per_page = PAGE_SIZE >> blkbits;
const unsigned blocksize = 1 << blkbits;
@@ -241,6 +239,7 @@ int ext4_mpage_readpages(struct address_space *mapping,
int length;
unsigned relative_block = 0;
struct ext4_map_blocks map;
+ unsigned int nr_pages = rac ? readahead_count(rac) : 1;
map.m_pblk = 0;
map.m_lblk = 0;
@@ -251,14 +250,9 @@ int ext4_mpage_readpages(struct address_space *mapping,
int fully_mapped = 1;
unsigned first_hole = blocks_per_page;
- if (pages) {
- page = lru_to_page(pages);
-
+ if (rac) {
+ page = readahead_page(rac);
prefetchw(&page->flags);
- list_del(&page->lru);
- if (add_to_page_cache_lru(page, mapping, page->index,
- readahead_gfp_mask(mapping)))
- goto next_page;
}
if (page_has_buffers(page))
@@ -381,7 +375,7 @@ int ext4_mpage_readpages(struct address_space *mapping,
bio->bi_iter.bi_sector = blocks[0] << (blkbits - 9);
bio->bi_end_io = mpage_end_io;
bio_set_op_attrs(bio, REQ_OP_READ,
- is_readahead ? REQ_RAHEAD : 0);
+ rac ? REQ_RAHEAD : 0);
}
length = first_hole << blkbits;
@@ -406,10 +400,9 @@ int ext4_mpage_readpages(struct address_space *mapping,
else
unlock_page(page);
next_page:
- if (pages)
+ if (rac)
put_page(page);
}
- BUG_ON(pages && !list_empty(pages));
if (bio)
submit_bio(bio);
return 0;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bf5fcb477f66..9824cd8203e8 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1106,6 +1106,7 @@ static void ext4_put_super(struct super_block *sb)
crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi->s_blockgroup_lock);
fs_put_dax(sbi->s_daxdev);
+ fscrypt_free_dummy_context(&sbi->s_dummy_enc_ctx);
#ifdef CONFIG_UNICODE
utf8_unload(sbi->s_encoding);
#endif
@@ -1389,9 +1390,10 @@ retry:
return res;
}
-static bool ext4_dummy_context(struct inode *inode)
+static const union fscrypt_context *
+ext4_get_dummy_context(struct super_block *sb)
{
- return DUMMY_ENCRYPTION_ENABLED(EXT4_SB(inode->i_sb));
+ return EXT4_SB(sb)->s_dummy_enc_ctx.ctx;
}
static bool ext4_has_stable_inodes(struct super_block *sb)
@@ -1410,7 +1412,7 @@ static const struct fscrypt_operations ext4_cryptops = {
.key_prefix = "ext4:",
.get_context = ext4_get_context,
.set_context = ext4_set_context,
- .dummy_context = ext4_dummy_context,
+ .get_dummy_context = ext4_get_dummy_context,
.empty_dir = ext4_empty_dir,
.max_namelen = EXT4_NAME_LEN,
.has_stable_inodes = ext4_has_stable_inodes,
@@ -1605,6 +1607,7 @@ static const match_table_t tokens = {
{Opt_init_itable, "init_itable"},
{Opt_noinit_itable, "noinit_itable"},
{Opt_max_dir_size_kb, "max_dir_size_kb=%u"},
+ {Opt_test_dummy_encryption, "test_dummy_encryption=%s"},
{Opt_test_dummy_encryption, "test_dummy_encryption"},
{Opt_nombcache, "nombcache"},
{Opt_nombcache, "no_mbcache"}, /* for backward compatibility */
@@ -1816,7 +1819,7 @@ static const struct mount_opts {
{Opt_jqfmt_vfsv0, QFMT_VFS_V0, MOPT_QFMT},
{Opt_jqfmt_vfsv1, QFMT_VFS_V1, MOPT_QFMT},
{Opt_max_dir_size_kb, 0, MOPT_GTE0},
- {Opt_test_dummy_encryption, 0, MOPT_GTE0},
+ {Opt_test_dummy_encryption, 0, MOPT_STRING},
{Opt_nombcache, EXT4_MOUNT_NO_MBCACHE, MOPT_SET},
{Opt_err, 0, 0}
};
@@ -1851,6 +1854,48 @@ static int ext4_sb_read_encoding(const struct ext4_super_block *es,
}
#endif
+static int ext4_set_test_dummy_encryption(struct super_block *sb,
+ const char *opt,
+ const substring_t *arg,
+ bool is_remount)
+{
+#ifdef CONFIG_FS_ENCRYPTION
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+ int err;
+
+ /*
+ * This mount option is just for testing, and it's not worthwhile to
+ * implement the extra complexity (e.g. RCU protection) that would be
+ * needed to allow it to be set or changed during remount. We do allow
+ * it to be specified during remount, but only if there is no change.
+ */
+ if (is_remount && !sbi->s_dummy_enc_ctx.ctx) {
+ ext4_msg(sb, KERN_WARNING,
+ "Can't set test_dummy_encryption on remount");
+ return -1;
+ }
+ err = fscrypt_set_test_dummy_encryption(sb, arg, &sbi->s_dummy_enc_ctx);
+ if (err) {
+ if (err == -EEXIST)
+ ext4_msg(sb, KERN_WARNING,
+ "Can't change test_dummy_encryption on remount");
+ else if (err == -EINVAL)
+ ext4_msg(sb, KERN_WARNING,
+ "Value of option \"%s\" is unrecognized", opt);
+ else
+ ext4_msg(sb, KERN_WARNING,
+ "Error processing option \"%s\" [%d]",
+ opt, err);
+ return -1;
+ }
+ ext4_msg(sb, KERN_WARNING, "Test dummy encryption mode enabled");
+#else
+ ext4_msg(sb, KERN_WARNING,
+ "Test dummy encryption mount option ignored");
+#endif
+ return 1;
+}
+
static int handle_mount_opt(struct super_block *sb, char *opt, int token,
substring_t *args, unsigned long *journal_devnum,
unsigned int *journal_ioprio, int is_remount)
@@ -2047,14 +2092,8 @@ static int handle_mount_opt(struct super_block *sb, char *opt, int token,
*journal_ioprio =
IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, arg);
} else if (token == Opt_test_dummy_encryption) {
-#ifdef CONFIG_FS_ENCRYPTION
- sbi->s_mount_flags |= EXT4_MF_TEST_DUMMY_ENCRYPTION;
- ext4_msg(sb, KERN_WARNING,
- "Test dummy encryption mode enabled");
-#else
- ext4_msg(sb, KERN_WARNING,
- "Test dummy encryption mount option ignored");
-#endif
+ return ext4_set_test_dummy_encryption(sb, opt, &args[0],
+ is_remount);
} else if (m->flags & MOPT_DATAJ) {
if (is_remount) {
if (!sbi->s_journal)
@@ -2311,8 +2350,8 @@ static int _ext4_show_options(struct seq_file *seq, struct super_block *sb,
SEQ_OPTS_PRINT("max_dir_size_kb=%u", sbi->s_max_dir_size_kb);
if (test_opt(sb, DATA_ERR_ABORT))
SEQ_OPTS_PUTS("data_err=abort");
- if (DUMMY_ENCRYPTION_ENABLED(sbi))
- SEQ_OPTS_PUTS("test_dummy_encryption");
+
+ fscrypt_show_test_dummy_encryption(seq, sep, sb);
ext4_show_quota_options(seq, sb);
return 0;
@@ -4780,6 +4819,7 @@ failed_mount:
for (i = 0; i < EXT4_MAXQUOTAS; i++)
kfree(get_qf_name(sb, sbi, i));
#endif
+ fscrypt_free_dummy_context(&sbi->s_dummy_enc_ctx);
ext4_blkdev_remove(sbi);
brelse(bh);
out_fail:
@@ -5256,7 +5296,7 @@ static int ext4_sync_fs(struct super_block *sb, int wait)
needs_barrier = true;
if (needs_barrier) {
int err;
- err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL);
if (!ret)
ret = err;
}
diff --git a/fs/ext4/sysfs.c b/fs/ext4/sysfs.c
index 04bfaf63752c..6c9fc9e21c13 100644
--- a/fs/ext4/sysfs.c
+++ b/fs/ext4/sysfs.c
@@ -293,6 +293,7 @@ EXT4_ATTR_FEATURE(batched_discard);
EXT4_ATTR_FEATURE(meta_bg_resize);
#ifdef CONFIG_FS_ENCRYPTION
EXT4_ATTR_FEATURE(encryption);
+EXT4_ATTR_FEATURE(test_dummy_encryption_v2);
#endif
#ifdef CONFIG_UNICODE
EXT4_ATTR_FEATURE(casefold);
@@ -308,6 +309,7 @@ static struct attribute *ext4_feat_attrs[] = {
ATTR_LIST(meta_bg_resize),
#ifdef CONFIG_FS_ENCRYPTION
ATTR_LIST(encryption),
+ ATTR_LIST(test_dummy_encryption_v2),
#endif
#ifdef CONFIG_UNICODE
ATTR_LIST(casefold),
diff --git a/fs/ext4/verity.c b/fs/ext4/verity.c
index dc5ec724d889..dec1244dd062 100644
--- a/fs/ext4/verity.c
+++ b/fs/ext4/verity.c
@@ -342,37 +342,6 @@ static int ext4_get_verity_descriptor(struct inode *inode, void *buf,
return desc_size;
}
-/*
- * Prefetch some pages from the file's Merkle tree.
- *
- * This is basically a stripped-down version of __do_page_cache_readahead()
- * which works on pages past i_size.
- */
-static void ext4_merkle_tree_readahead(struct address_space *mapping,
- pgoff_t start_index, unsigned long count)
-{
- LIST_HEAD(pages);
- unsigned int nr_pages = 0;
- struct page *page;
- pgoff_t index;
- struct blk_plug plug;
-
- for (index = start_index; index < start_index + count; index++) {
- page = xa_load(&mapping->i_pages, index);
- if (!page || xa_is_value(page)) {
- page = __page_cache_alloc(readahead_gfp_mask(mapping));
- if (!page)
- break;
- page->index = index;
- list_add(&page->lru, &pages);
- nr_pages++;
- }
- }
- blk_start_plug(&plug);
- ext4_mpage_readpages(mapping, &pages, NULL, nr_pages, true);
- blk_finish_plug(&plug);
-}
-
static struct page *ext4_read_merkle_tree_page(struct inode *inode,
pgoff_t index,
unsigned long num_ra_pages)
@@ -386,8 +355,8 @@ static struct page *ext4_read_merkle_tree_page(struct inode *inode,
if (page)
put_page(page);
else if (num_ra_pages > 1)
- ext4_merkle_tree_readahead(inode->i_mapping, index,
- num_ra_pages);
+ page_cache_readahead_unbounded(inode->i_mapping, NULL,
+ index, num_ra_pages, 0);
page = read_mapping_page(inode->i_mapping, index, NULL);
}
return page;
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index cdf2f626bea7..03ec97f28235 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -2177,13 +2177,11 @@ out:
* use ->readpage() or do the necessary surgery to decouple ->readpages()
* from read-ahead.
*/
-int f2fs_mpage_readpages(struct address_space *mapping,
- struct list_head *pages, struct page *page,
- unsigned nr_pages, bool is_readahead)
+static int f2fs_mpage_readpages(struct inode *inode,
+ struct readahead_control *rac, struct page *page)
{
struct bio *bio = NULL;
sector_t last_block_in_bio = 0;
- struct inode *inode = mapping->host;
struct f2fs_map_blocks map;
#ifdef CONFIG_F2FS_FS_COMPRESSION
struct compress_ctx cc = {
@@ -2197,6 +2195,7 @@ int f2fs_mpage_readpages(struct address_space *mapping,
.nr_cpages = 0,
};
#endif
+ unsigned nr_pages = rac ? readahead_count(rac) : 1;
unsigned max_nr_pages = nr_pages;
int ret = 0;
@@ -2210,15 +2209,9 @@ int f2fs_mpage_readpages(struct address_space *mapping,
map.m_may_create = false;
for (; nr_pages; nr_pages--) {
- if (pages) {
- page = list_last_entry(pages, struct page, lru);
-
+ if (rac) {
+ page = readahead_page(rac);
prefetchw(&page->flags);
- list_del(&page->lru);
- if (add_to_page_cache_lru(page, mapping,
- page_index(page),
- readahead_gfp_mask(mapping)))
- goto next_page;
}
#ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -2228,7 +2221,7 @@ int f2fs_mpage_readpages(struct address_space *mapping,
ret = f2fs_read_multi_pages(&cc, &bio,
max_nr_pages,
&last_block_in_bio,
- is_readahead, false);
+ rac != NULL, false);
f2fs_destroy_compress_ctx(&cc);
if (ret)
goto set_error_page;
@@ -2251,7 +2244,7 @@ read_single_page:
#endif
ret = f2fs_read_single_page(inode, page, max_nr_pages, &map,
- &bio, &last_block_in_bio, is_readahead);
+ &bio, &last_block_in_bio, rac);
if (ret) {
#ifdef CONFIG_F2FS_FS_COMPRESSION
set_error_page:
@@ -2260,8 +2253,10 @@ set_error_page:
zero_user_segment(page, 0, PAGE_SIZE);
unlock_page(page);
}
+#ifdef CONFIG_F2FS_FS_COMPRESSION
next_page:
- if (pages)
+#endif
+ if (rac)
put_page(page);
#ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -2271,16 +2266,15 @@ next_page:
ret = f2fs_read_multi_pages(&cc, &bio,
max_nr_pages,
&last_block_in_bio,
- is_readahead, false);
+ rac != NULL, false);
f2fs_destroy_compress_ctx(&cc);
}
}
#endif
}
- BUG_ON(pages && !list_empty(pages));
if (bio)
__submit_bio(F2FS_I_SB(inode), bio, DATA);
- return pages ? 0 : ret;
+ return ret;
}
static int f2fs_read_data_page(struct file *file, struct page *page)
@@ -2299,28 +2293,24 @@ static int f2fs_read_data_page(struct file *file, struct page *page)
if (f2fs_has_inline_data(inode))
ret = f2fs_read_inline_data(inode, page);
if (ret == -EAGAIN)
- ret = f2fs_mpage_readpages(page_file_mapping(page),
- NULL, page, 1, false);
+ ret = f2fs_mpage_readpages(inode, NULL, page);
return ret;
}
-static int f2fs_read_data_pages(struct file *file,
- struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void f2fs_readahead(struct readahead_control *rac)
{
- struct inode *inode = mapping->host;
- struct page *page = list_last_entry(pages, struct page, lru);
+ struct inode *inode = rac->mapping->host;
- trace_f2fs_readpages(inode, page, nr_pages);
+ trace_f2fs_readpages(inode, readahead_index(rac), readahead_count(rac));
if (!f2fs_is_compress_backend_ready(inode))
- return 0;
+ return;
/* If the file has inline data, skip readpages */
if (f2fs_has_inline_data(inode))
- return 0;
+ return;
- return f2fs_mpage_readpages(mapping, pages, NULL, nr_pages, true);
+ f2fs_mpage_readpages(inode, rac, NULL);
}
int f2fs_encrypt_one_page(struct f2fs_io_info *fio)
@@ -3805,7 +3795,7 @@ static void f2fs_swap_deactivate(struct file *file)
const struct address_space_operations f2fs_dblock_aops = {
.readpage = f2fs_read_data_page,
- .readpages = f2fs_read_data_pages,
+ .readahead = f2fs_readahead,
.writepage = f2fs_write_data_page,
.writepages = f2fs_write_data_pages,
.write_begin = f2fs_write_begin,
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ba470d5687fe..5c0149d2f46a 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -138,7 +138,7 @@ struct f2fs_mount_info {
int fsync_mode; /* fsync policy */
int fs_mode; /* fs mode: LFS or ADAPTIVE */
int bggc_mode; /* bggc mode: off, on or sync */
- bool test_dummy_encryption; /* test dummy encryption */
+ struct fscrypt_dummy_context dummy_enc_ctx; /* test dummy encryption */
block_t unusable_cap; /* Amount of space allowed to be
* unusable when disabling checkpoint
*/
@@ -1259,7 +1259,7 @@ enum fsync_mode {
#ifdef CONFIG_FS_ENCRYPTION
#define DUMMY_ENCRYPTION_ENABLED(sbi) \
- (unlikely(F2FS_OPTION(sbi).test_dummy_encryption))
+ (unlikely(F2FS_OPTION(sbi).dummy_enc_ctx.ctx != NULL))
#else
#define DUMMY_ENCRYPTION_ENABLED(sbi) (0)
#endif
@@ -3051,19 +3051,12 @@ static inline void f2fs_set_page_private(struct page *page,
if (PagePrivate(page))
return;
- get_page(page);
- SetPagePrivate(page);
- set_page_private(page, data);
+ attach_page_private(page, (void *)data);
}
static inline void f2fs_clear_page_private(struct page *page)
{
- if (!PagePrivate(page))
- return;
-
- set_page_private(page, 0);
- ClearPagePrivate(page);
- f2fs_put_page(page, 0);
+ detach_page_private(page);
}
/*
@@ -3373,9 +3366,6 @@ int f2fs_reserve_new_block(struct dnode_of_data *dn);
int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index);
int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from);
int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index);
-int f2fs_mpage_readpages(struct address_space *mapping,
- struct list_head *pages, struct page *page,
- unsigned nr_pages, bool is_readahead);
struct page *f2fs_get_read_data_page(struct inode *inode, pgoff_t index,
int op_flags, bool for_write);
struct page *f2fs_find_data_page(struct inode *inode, pgoff_t index);
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index 5bc4dcd8fc03..8c4ea5003ef8 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -12,7 +12,6 @@
#include <linux/types.h>
#include <linux/fs.h>
#include <linux/f2fs_fs.h>
-#include <linux/cryptohash.h>
#include <linux/pagemap.h>
#include <linux/unicode.h>
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f2dfc21c6abb..8a9955902d84 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -202,6 +202,7 @@ static match_table_t f2fs_tokens = {
{Opt_whint, "whint_mode=%s"},
{Opt_alloc, "alloc_mode=%s"},
{Opt_fsync, "fsync_mode=%s"},
+ {Opt_test_dummy_encryption, "test_dummy_encryption=%s"},
{Opt_test_dummy_encryption, "test_dummy_encryption"},
{Opt_checkpoint_disable, "checkpoint=disable"},
{Opt_checkpoint_disable_cap, "checkpoint=disable:%u"},
@@ -394,7 +395,52 @@ static int f2fs_check_quota_options(struct f2fs_sb_info *sbi)
}
#endif
-static int parse_options(struct super_block *sb, char *options)
+static int f2fs_set_test_dummy_encryption(struct super_block *sb,
+ const char *opt,
+ const substring_t *arg,
+ bool is_remount)
+{
+ struct f2fs_sb_info *sbi = F2FS_SB(sb);
+#ifdef CONFIG_FS_ENCRYPTION
+ int err;
+
+ if (!f2fs_sb_has_encrypt(sbi)) {
+ f2fs_err(sbi, "Encrypt feature is off");
+ return -EINVAL;
+ }
+
+ /*
+ * This mount option is just for testing, and it's not worthwhile to
+ * implement the extra complexity (e.g. RCU protection) that would be
+ * needed to allow it to be set or changed during remount. We do allow
+ * it to be specified during remount, but only if there is no change.
+ */
+ if (is_remount && !F2FS_OPTION(sbi).dummy_enc_ctx.ctx) {
+ f2fs_warn(sbi, "Can't set test_dummy_encryption on remount");
+ return -EINVAL;
+ }
+ err = fscrypt_set_test_dummy_encryption(
+ sb, arg, &F2FS_OPTION(sbi).dummy_enc_ctx);
+ if (err) {
+ if (err == -EEXIST)
+ f2fs_warn(sbi,
+ "Can't change test_dummy_encryption on remount");
+ else if (err == -EINVAL)
+ f2fs_warn(sbi, "Value of option \"%s\" is unrecognized",
+ opt);
+ else
+ f2fs_warn(sbi, "Error processing option \"%s\" [%d]",
+ opt, err);
+ return -EINVAL;
+ }
+ f2fs_warn(sbi, "Test dummy encryption mode enabled");
+#else
+ f2fs_warn(sbi, "Test dummy encryption mount option ignored");
+#endif
+ return 0;
+}
+
+static int parse_options(struct super_block *sb, char *options, bool is_remount)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
substring_t args[MAX_OPT_ARGS];
@@ -403,9 +449,7 @@ static int parse_options(struct super_block *sb, char *options)
int arg = 0, ext_cnt;
kuid_t uid;
kgid_t gid;
-#ifdef CONFIG_QUOTA
int ret;
-#endif
if (!options)
return 0;
@@ -778,17 +822,10 @@ static int parse_options(struct super_block *sb, char *options)
kvfree(name);
break;
case Opt_test_dummy_encryption:
-#ifdef CONFIG_FS_ENCRYPTION
- if (!f2fs_sb_has_encrypt(sbi)) {
- f2fs_err(sbi, "Encrypt feature is off");
- return -EINVAL;
- }
-
- F2FS_OPTION(sbi).test_dummy_encryption = true;
- f2fs_info(sbi, "Test dummy encryption mode enabled");
-#else
- f2fs_info(sbi, "Test dummy encryption mount option ignored");
-#endif
+ ret = f2fs_set_test_dummy_encryption(sb, p, &args[0],
+ is_remount);
+ if (ret)
+ return ret;
break;
case Opt_checkpoint_disable_cap_perc:
if (args->from && match_int(args, &arg))
@@ -1213,6 +1250,7 @@ static void f2fs_put_super(struct super_block *sb)
for (i = 0; i < MAXQUOTAS; i++)
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
+ fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx);
destroy_percpu_info(sbi);
for (i = 0; i < NR_PAGE_TYPE; i++)
kvfree(sbi->write_io[i]);
@@ -1543,10 +1581,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_printf(seq, ",whint_mode=%s", "user-based");
else if (F2FS_OPTION(sbi).whint_mode == WHINT_MODE_FS)
seq_printf(seq, ",whint_mode=%s", "fs-based");
-#ifdef CONFIG_FS_ENCRYPTION
- if (F2FS_OPTION(sbi).test_dummy_encryption)
- seq_puts(seq, ",test_dummy_encryption");
-#endif
+
+ fscrypt_show_test_dummy_encryption(seq, ',', sbi->sb);
if (F2FS_OPTION(sbi).alloc_mode == ALLOC_MODE_DEFAULT)
seq_printf(seq, ",alloc_mode=%s", "default");
@@ -1575,7 +1611,6 @@ static void default_options(struct f2fs_sb_info *sbi)
F2FS_OPTION(sbi).whint_mode = WHINT_MODE_OFF;
F2FS_OPTION(sbi).alloc_mode = ALLOC_MODE_DEFAULT;
F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_POSIX;
- F2FS_OPTION(sbi).test_dummy_encryption = false;
F2FS_OPTION(sbi).s_resuid = make_kuid(&init_user_ns, F2FS_DEF_RESUID);
F2FS_OPTION(sbi).s_resgid = make_kgid(&init_user_ns, F2FS_DEF_RESGID);
F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4;
@@ -1734,7 +1769,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
default_options(sbi);
/* parse mount options */
- err = parse_options(sb, data);
+ err = parse_options(sb, data, true);
if (err)
goto restore_opts;
checkpoint_changed =
@@ -2410,9 +2445,10 @@ static int f2fs_set_context(struct inode *inode, const void *ctx, size_t len,
ctx, len, fs_data, XATTR_CREATE);
}
-static bool f2fs_dummy_context(struct inode *inode)
+static const union fscrypt_context *
+f2fs_get_dummy_context(struct super_block *sb)
{
- return DUMMY_ENCRYPTION_ENABLED(F2FS_I_SB(inode));
+ return F2FS_OPTION(F2FS_SB(sb)).dummy_enc_ctx.ctx;
}
static bool f2fs_has_stable_inodes(struct super_block *sb)
@@ -2431,7 +2467,7 @@ static const struct fscrypt_operations f2fs_cryptops = {
.key_prefix = "f2fs:",
.get_context = f2fs_get_context,
.set_context = f2fs_set_context,
- .dummy_context = f2fs_dummy_context,
+ .get_dummy_context = f2fs_get_dummy_context,
.empty_dir = f2fs_empty_dir,
.max_namelen = F2FS_NAME_LEN,
.has_stable_inodes = f2fs_has_stable_inodes,
@@ -3366,7 +3402,7 @@ try_onemore:
goto free_sb_buf;
}
- err = parse_options(sb, options);
+ err = parse_options(sb, options, false);
if (err)
goto free_options;
@@ -3769,6 +3805,7 @@ free_options:
for (i = 0; i < MAXQUOTAS; i++)
kvfree(F2FS_OPTION(sbi).s_qf_names[i]);
#endif
+ fscrypt_free_dummy_context(&F2FS_OPTION(sbi).dummy_enc_ctx);
kvfree(options);
free_sb_buf:
kvfree(raw_super);
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index e3bbbef9b4f0..3162f46b3c9b 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -446,6 +446,7 @@ enum feat_id {
FEAT_SB_CHECKSUM,
FEAT_CASEFOLD,
FEAT_COMPRESSION,
+ FEAT_TEST_DUMMY_ENCRYPTION_V2,
};
static ssize_t f2fs_feature_show(struct f2fs_attr *a,
@@ -466,6 +467,7 @@ static ssize_t f2fs_feature_show(struct f2fs_attr *a,
case FEAT_SB_CHECKSUM:
case FEAT_CASEFOLD:
case FEAT_COMPRESSION:
+ case FEAT_TEST_DUMMY_ENCRYPTION_V2:
return sprintf(buf, "supported\n");
}
return 0;
@@ -563,6 +565,7 @@ F2FS_GENERAL_RO_ATTR(avg_vblocks);
#ifdef CONFIG_FS_ENCRYPTION
F2FS_FEATURE_RO_ATTR(encryption, FEAT_CRYPTO);
+F2FS_FEATURE_RO_ATTR(test_dummy_encryption_v2, FEAT_TEST_DUMMY_ENCRYPTION_V2);
#endif
#ifdef CONFIG_BLK_DEV_ZONED
F2FS_FEATURE_RO_ATTR(block_zoned, FEAT_BLKZONED);
@@ -647,6 +650,7 @@ ATTRIBUTE_GROUPS(f2fs);
static struct attribute *f2fs_feat_attrs[] = {
#ifdef CONFIG_FS_ENCRYPTION
ATTR_LIST(encryption),
+ ATTR_LIST(test_dummy_encryption_v2),
#endif
#ifdef CONFIG_BLK_DEV_ZONED
ATTR_LIST(block_zoned),
diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c
index d7d430a6f130..865c9fb774fb 100644
--- a/fs/f2fs/verity.c
+++ b/fs/f2fs/verity.c
@@ -222,37 +222,6 @@ static int f2fs_get_verity_descriptor(struct inode *inode, void *buf,
return size;
}
-/*
- * Prefetch some pages from the file's Merkle tree.
- *
- * This is basically a stripped-down version of __do_page_cache_readahead()
- * which works on pages past i_size.
- */
-static void f2fs_merkle_tree_readahead(struct address_space *mapping,
- pgoff_t start_index, unsigned long count)
-{
- LIST_HEAD(pages);
- unsigned int nr_pages = 0;
- struct page *page;
- pgoff_t index;
- struct blk_plug plug;
-
- for (index = start_index; index < start_index + count; index++) {
- page = xa_load(&mapping->i_pages, index);
- if (!page || xa_is_value(page)) {
- page = __page_cache_alloc(readahead_gfp_mask(mapping));
- if (!page)
- break;
- page->index = index;
- list_add(&page->lru, &pages);
- nr_pages++;
- }
- }
- blk_start_plug(&plug);
- f2fs_mpage_readpages(mapping, &pages, NULL, nr_pages, true);
- blk_finish_plug(&plug);
-}
-
static struct page *f2fs_read_merkle_tree_page(struct inode *inode,
pgoff_t index,
unsigned long num_ra_pages)
@@ -266,8 +235,8 @@ static struct page *f2fs_read_merkle_tree_page(struct inode *inode,
if (page)
put_page(page);
else if (num_ra_pages > 1)
- f2fs_merkle_tree_readahead(inode->i_mapping, index,
- num_ra_pages);
+ page_cache_readahead_unbounded(inode->i_mapping, NULL,
+ index, num_ra_pages, 0);
page = read_mapping_page(inode->i_mapping, index, NULL);
}
return page;
diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig
index 718163d0c621..ca31993dcb47 100644
--- a/fs/fat/Kconfig
+++ b/fs/fat/Kconfig
@@ -69,7 +69,7 @@ config VFAT_FS
The VFAT support enlarges your kernel by about 10 KB and it only
works if you said Y to the "DOS FAT fs support" above. Please read
- the file <file:Documentation/filesystems/vfat.txt> for details. If
+ the file <file:Documentation/filesystems/vfat.rst> for details. If
unsure, say Y.
To compile this as a module, choose M here: the module will be called
@@ -82,7 +82,7 @@ config FAT_DEFAULT_CODEPAGE
help
This option should be set to the codepage of your FAT filesystems.
It can be overridden with the "codepage" mount option.
- See <file:Documentation/filesystems/vfat.txt> for more information.
+ See <file:Documentation/filesystems/vfat.rst> for more information.
config FAT_DEFAULT_IOCHARSET
string "Default iocharset for FAT"
@@ -96,7 +96,7 @@ config FAT_DEFAULT_IOCHARSET
Note that "utf8" is not recommended for FAT filesystems.
If unsure, you shouldn't set "utf8" here - select the next option
instead if you would like to use UTF-8 encoded file names by default.
- See <file:Documentation/filesystems/vfat.txt> for more information.
+ See <file:Documentation/filesystems/vfat.rst> for more information.
Enable any character sets you need in File Systems/Native Language
Support.
@@ -114,4 +114,4 @@ config FAT_DEFAULT_UTF8
Say Y if you use UTF-8 encoding for file names, N otherwise.
- See <file:Documentation/filesystems/vfat.txt> for more information.
+ See <file:Documentation/filesystems/vfat.rst> for more information.
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 054acd9fd033..b4ddf48fa444 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -804,8 +804,6 @@ static long fat_dir_ioctl(struct file *filp, unsigned int cmd,
return fat_generic_ioctl(filp, cmd, arg);
}
- if (!access_ok(d1, sizeof(struct __fat_dirent[2])))
- return -EFAULT;
/*
* Yes, we don't need this put_user() absolutely. However old
* code didn't return the right value. So, app use this value,
@@ -844,8 +842,6 @@ static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd,
return fat_generic_ioctl(filp, cmd, (unsigned long)arg);
}
- if (!access_ok(d1, sizeof(struct compat_dirent[2])))
- return -EFAULT;
/*
* Yes, we don't need this put_user() absolutely. However old
* code didn't return the right value. So, app use this value,
diff --git a/fs/fat/file.c b/fs/fat/file.c
index bdc4503c00a3..42134c58c87e 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -195,7 +195,7 @@ int fat_file_fsync(struct file *filp, loff_t start, loff_t end, int datasync)
if (err)
return err;
- return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
}
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 71946da84388..e6e68b2274a5 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -210,10 +210,9 @@ static int fat_readpage(struct file *file, struct page *page)
return mpage_readpage(page, fat_get_block);
}
-static int fat_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void fat_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, fat_get_block);
+ mpage_readahead(rac, fat_get_block);
}
static void fat_write_failed(struct address_space *mapping, loff_t to)
@@ -344,7 +343,7 @@ int fat_block_truncate_page(struct inode *inode, loff_t from)
static const struct address_space_operations fat_aops = {
.readpage = fat_readpage,
- .readpages = fat_readpages,
+ .readahead = fat_readahead,
.writepage = fat_writepage,
.writepages = fat_writepages,
.write_begin = fat_write_begin,
diff --git a/fs/file.c b/fs/file.c
index c8a4e4c86e55..abb8b7081d7a 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -70,7 +70,7 @@ static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt,
*/
static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt)
{
- unsigned int cpy, set;
+ size_t cpy, set;
BUG_ON(nfdt->max_fds < ofdt->max_fds);
diff --git a/fs/file_table.c b/fs/file_table.c
index 30d55c9a1744..656647f9575a 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -80,14 +80,14 @@ EXPORT_SYMBOL_GPL(get_max_files);
*/
#if defined(CONFIG_SYSCTL) && defined(CONFIG_PROC_FS)
int proc_nr_files(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
files_stat.nr_files = get_nr_files();
return proc_doulongvec_minmax(table, write, buffer, lenp, ppos);
}
#else
int proc_nr_files(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
return -ENOSYS;
}
@@ -198,6 +198,7 @@ static struct file *alloc_file(const struct path *path, int flags,
file->f_inode = path->dentry->d_inode;
file->f_mapping = path->dentry->d_inode->i_mapping;
file->f_wb_err = filemap_sample_wb_err(file->f_mapping);
+ file->f_sb_err = file_sample_sb_err(file);
if ((file->f_mode & FMODE_READ) &&
likely(fop->read || fop->read_iter))
file->f_mode |= FMODE_CAN_READ;
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 76ac9c7d32ec..a750381d554a 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -1070,7 +1070,6 @@ static void bdi_split_work_to_wbs(struct backing_dev_info *bdi,
static unsigned long get_nr_dirty_pages(void)
{
return global_node_page_state(NR_FILE_DIRTY) +
- global_node_page_state(NR_UNSTABLE_NFS) +
get_nr_dirty_inodes();
}
@@ -2320,7 +2319,7 @@ void __mark_inode_dirty(struct inode *inode, int flags)
WARN(bdi_cap_writeback_dirty(wb->bdi) &&
!test_bit(WB_registered, &wb->state),
- "bdi-%s not registered\n", wb->bdi->name);
+ "bdi-%s not registered\n", bdi_dev_name(wb->bdi));
inode->dirtied_when = jiffies;
if (dirtytime)
diff --git a/fs/fs_context.c b/fs/fs_context.c
index fc9f6ef93b55..7d5c5dd2b1d5 100644
--- a/fs/fs_context.c
+++ b/fs/fs_context.c
@@ -42,7 +42,6 @@ static const struct constant_table common_set_sb_flag[] = {
{ "dirsync", SB_DIRSYNC },
{ "lazytime", SB_LAZYTIME },
{ "mand", SB_MANDLOCK },
- { "posixacl", SB_POSIXACL },
{ "ro", SB_RDONLY },
{ "sync", SB_SYNCHRONOUS },
{ },
@@ -53,44 +52,15 @@ static const struct constant_table common_clear_sb_flag[] = {
{ "nolazytime", SB_LAZYTIME },
{ "nomand", SB_MANDLOCK },
{ "rw", SB_RDONLY },
- { "silent", SB_SILENT },
{ },
};
-static const char *const forbidden_sb_flag[] = {
- "bind",
- "dev",
- "exec",
- "move",
- "noatime",
- "nodev",
- "nodiratime",
- "noexec",
- "norelatime",
- "nostrictatime",
- "nosuid",
- "private",
- "rec",
- "relatime",
- "remount",
- "shared",
- "slave",
- "strictatime",
- "suid",
- "unbindable",
-};
-
/*
* Check for a common mount option that manipulates s_flags.
*/
static int vfs_parse_sb_flag(struct fs_context *fc, const char *key)
{
unsigned int token;
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(forbidden_sb_flag); i++)
- if (strcmp(key, forbidden_sb_flag[i]) == 0)
- return -EINVAL;
token = lookup_constant(common_set_sb_flag, key, 0);
if (token) {
diff --git a/fs/fscache/Kconfig b/fs/fscache/Kconfig
index 506c5e643f0d..5e796e6c38e5 100644
--- a/fs/fscache/Kconfig
+++ b/fs/fscache/Kconfig
@@ -8,7 +8,7 @@ config FSCACHE
Different sorts of caches can be plugged in, depending on the
resources available.
- See Documentation/filesystems/caching/fscache.txt for more information.
+ See Documentation/filesystems/caching/fscache.rst for more information.
config FSCACHE_STATS
bool "Gather statistical information on local caching"
@@ -25,7 +25,7 @@ config FSCACHE_STATS
between CPUs. On the other hand, the stats are very useful for
debugging purposes. Saying 'Y' here is recommended.
- See Documentation/filesystems/caching/fscache.txt for more information.
+ See Documentation/filesystems/caching/fscache.rst for more information.
config FSCACHE_HISTOGRAM
bool "Gather latency information on local caching"
@@ -42,7 +42,7 @@ config FSCACHE_HISTOGRAM
bouncing between CPUs. On the other hand, the histogram may be
useful for debugging purposes. Saying 'N' here is recommended.
- See Documentation/filesystems/caching/fscache.txt for more information.
+ See Documentation/filesystems/caching/fscache.rst for more information.
config FSCACHE_DEBUG
bool "Debug FS-Cache"
@@ -52,7 +52,7 @@ config FSCACHE_DEBUG
management module. If this is set, the debugging output may be
enabled by setting bits in /sys/modules/fscache/parameter/debug.
- See Documentation/filesystems/caching/fscache.txt for more information.
+ See Documentation/filesystems/caching/fscache.rst for more information.
config FSCACHE_OBJECT_LIST
bool "Maintain global object list for debugging purposes"
diff --git a/fs/fscache/cache.c b/fs/fscache/cache.c
index f78793f3d21e..fcc136361415 100644
--- a/fs/fscache/cache.c
+++ b/fs/fscache/cache.c
@@ -172,7 +172,7 @@ no_preference:
*
* Initialise a record of a cache and fill in the name.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
void fscache_init_cache(struct fscache_cache *cache,
@@ -207,7 +207,7 @@ EXPORT_SYMBOL(fscache_init_cache);
*
* Add a cache to the system, making it available for netfs's to use.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
int fscache_add_cache(struct fscache_cache *cache,
@@ -307,7 +307,7 @@ EXPORT_SYMBOL(fscache_add_cache);
* Note that an I/O error occurred in a cache and that it should no longer be
* used for anything. This also reports the error into the kernel log.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
void fscache_io_error(struct fscache_cache *cache)
@@ -355,7 +355,7 @@ static void fscache_withdraw_all_objects(struct fscache_cache *cache,
* Withdraw a cache from service, unbinding all its cache objects from the
* netfs cookies they're currently representing.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
void fscache_withdraw_cache(struct fscache_cache *cache)
diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c
index 0ce39658a620..751bc5b1cddf 100644
--- a/fs/fscache/cookie.c
+++ b/fs/fscache/cookie.c
@@ -4,7 +4,7 @@
* Copyright (C) 2004-2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
- * See Documentation/filesystems/caching/netfs-api.txt for more information on
+ * See Documentation/filesystems/caching/netfs-api.rst for more information on
* the netfs API.
*/
diff --git a/fs/fscache/main.c b/fs/fscache/main.c
index 59c2494efda3..c1e6cc9091aa 100644
--- a/fs/fscache/main.c
+++ b/fs/fscache/main.c
@@ -51,8 +51,7 @@ static unsigned fscache_op_max_active = 2;
static struct ctl_table_header *fscache_sysctl_header;
static int fscache_max_active_sysctl(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct workqueue_struct **wqp = table->extra1;
unsigned int *datap = table->data;
diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index cfeba839a0f2..cb2146e02cd5 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -4,7 +4,7 @@
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
- * See Documentation/filesystems/caching/object.txt for a description of the
+ * See Documentation/filesystems/caching/object.rst for a description of the
* object state machine and the in-kernel representations.
*/
@@ -295,7 +295,7 @@ static void fscache_object_work_func(struct work_struct *work)
*
* Initialise a cache object description to its basic values.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
void fscache_object_init(struct fscache_object *object,
diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
index 1a22a55f75a0..4a5651d4904e 100644
--- a/fs/fscache/operation.c
+++ b/fs/fscache/operation.c
@@ -4,7 +4,7 @@
* Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
- * See Documentation/filesystems/caching/operations.txt
+ * See Documentation/filesystems/caching/operations.rst
*/
#define FSCACHE_DEBUG_LEVEL OPERATION
diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig
index eb2a585572dc..774b2618018a 100644
--- a/fs/fuse/Kconfig
+++ b/fs/fuse/Kconfig
@@ -12,7 +12,7 @@ config FUSE_FS
although chances are your distribution already has that library
installed if you've installed the "fuse" package itself.
- See <file:Documentation/filesystems/fuse.txt> for more information.
+ See <file:Documentation/filesystems/fuse.rst> for more information.
See <file:Documentation/Changes> for needed library/utility version.
If you want to develop a userspace FS, or if you want to use
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 97eec7522bf2..8ccc97356cb5 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -805,7 +805,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
if (cs->len != PAGE_SIZE)
goto out_fallback;
- if (pipe_buf_steal(cs->pipe, buf) != 0)
+ if (!pipe_buf_try_steal(cs->pipe, buf))
goto out_fallback;
newpage = buf->page;
@@ -840,7 +840,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep)
get_page(newpage);
if (!(buf->flags & PIPE_BUF_FLAG_LRU))
- lru_cache_add_file(newpage);
+ lru_cache_add(newpage);
err = 0;
spin_lock(&cs->req->waitq.lock);
@@ -2081,7 +2081,7 @@ static void end_polls(struct fuse_conn *fc)
* The same effect is usually achievable through killing the filesystem daemon
* and all users of the filesystem. The exception is the combination of an
* asynchronous request and the tricky deadlock (see
- * Documentation/filesystems/fuse.txt).
+ * Documentation/filesystems/fuse.rst).
*
* Aborting requests under I/O goes as follows: 1: Separate out unlocked
* requests, they should be finished off immediately. Locked requests will be
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9d67b830fb7a..bac51c32d660 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -915,84 +915,40 @@ static void fuse_send_readpages(struct fuse_io_args *ia, struct file *file)
fuse_readpages_end(fc, &ap->args, err);
}
-struct fuse_fill_data {
- struct fuse_io_args *ia;
- struct file *file;
- struct inode *inode;
- unsigned int nr_pages;
- unsigned int max_pages;
-};
-
-static int fuse_readpages_fill(void *_data, struct page *page)
+static void fuse_readahead(struct readahead_control *rac)
{
- struct fuse_fill_data *data = _data;
- struct fuse_io_args *ia = data->ia;
- struct fuse_args_pages *ap = &ia->ap;
- struct inode *inode = data->inode;
+ struct inode *inode = rac->mapping->host;
struct fuse_conn *fc = get_fuse_conn(inode);
+ unsigned int i, max_pages, nr_pages = 0;
- fuse_wait_on_page_writeback(inode, page->index);
-
- if (ap->num_pages &&
- (ap->num_pages == fc->max_pages ||
- (ap->num_pages + 1) * PAGE_SIZE > fc->max_read ||
- ap->pages[ap->num_pages - 1]->index + 1 != page->index)) {
- data->max_pages = min_t(unsigned int, data->nr_pages,
- fc->max_pages);
- fuse_send_readpages(ia, data->file);
- data->ia = ia = fuse_io_alloc(NULL, data->max_pages);
- if (!ia) {
- unlock_page(page);
- return -ENOMEM;
- }
- ap = &ia->ap;
- }
-
- if (WARN_ON(ap->num_pages >= data->max_pages)) {
- unlock_page(page);
- fuse_io_free(ia);
- return -EIO;
- }
-
- get_page(page);
- ap->pages[ap->num_pages] = page;
- ap->descs[ap->num_pages].length = PAGE_SIZE;
- ap->num_pages++;
- data->nr_pages--;
- return 0;
-}
-
-static int fuse_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
-{
- struct inode *inode = mapping->host;
- struct fuse_conn *fc = get_fuse_conn(inode);
- struct fuse_fill_data data;
- int err;
-
- err = -EIO;
if (is_bad_inode(inode))
- goto out;
+ return;
- data.file = file;
- data.inode = inode;
- data.nr_pages = nr_pages;
- data.max_pages = min_t(unsigned int, nr_pages, fc->max_pages);
-;
- data.ia = fuse_io_alloc(NULL, data.max_pages);
- err = -ENOMEM;
- if (!data.ia)
- goto out;
+ max_pages = min_t(unsigned int, fc->max_pages,
+ fc->max_read / PAGE_SIZE);
- err = read_cache_pages(mapping, pages, fuse_readpages_fill, &data);
- if (!err) {
- if (data.ia->ap.num_pages)
- fuse_send_readpages(data.ia, file);
- else
- fuse_io_free(data.ia);
+ for (;;) {
+ struct fuse_io_args *ia;
+ struct fuse_args_pages *ap;
+
+ nr_pages = readahead_count(rac) - nr_pages;
+ if (nr_pages > max_pages)
+ nr_pages = max_pages;
+ if (nr_pages == 0)
+ break;
+ ia = fuse_io_alloc(NULL, nr_pages);
+ if (!ia)
+ return;
+ ap = &ia->ap;
+ nr_pages = __readahead_batch(rac, ap->pages, nr_pages);
+ for (i = 0; i < nr_pages; i++) {
+ fuse_wait_on_page_writeback(inode,
+ readahead_index(rac) + i);
+ ap->descs[i].length = PAGE_SIZE;
+ }
+ ap->num_pages = nr_pages;
+ fuse_send_readpages(ia, rac->file);
}
-out:
- return err;
}
static ssize_t fuse_cache_read_iter(struct kiocb *iocb, struct iov_iter *to)
@@ -3373,10 +3329,10 @@ static const struct file_operations fuse_file_operations = {
static const struct address_space_operations fuse_file_aops = {
.readpage = fuse_readpage,
+ .readahead = fuse_readahead,
.writepage = fuse_writepage,
.writepages = fuse_writepages,
.launder_page = fuse_launder_page,
- .readpages = fuse_readpages,
.set_page_dirty = __set_page_dirty_nobuffers,
.bmap = fuse_bmap,
.direct_IO = fuse_direct_IO,
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 786c1ce8f030..72c9560f4467 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -577,7 +577,7 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
}
/**
- * gfs2_readpages - Read a bunch of pages at once
+ * gfs2_readahead - Read a bunch of pages at once
* @file: The file to read from
* @mapping: Address space info
* @pages: List of pages to read
@@ -590,31 +590,24 @@ int gfs2_internal_read(struct gfs2_inode *ip, char *buf, loff_t *pos,
* obviously not something we'd want to do on too regular a basis.
* Any I/O we ignore at this time will be done via readpage later.
* 2. We don't handle stuffed files here we let readpage do the honours.
- * 3. mpage_readpages() does most of the heavy lifting in the common case.
+ * 3. mpage_readahead() does most of the heavy lifting in the common case.
* 4. gfs2_block_map() is relied upon to set BH_Boundary in the right places.
*/
-static int gfs2_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void gfs2_readahead(struct readahead_control *rac)
{
- struct inode *inode = mapping->host;
+ struct inode *inode = rac->mapping->host;
struct gfs2_inode *ip = GFS2_I(inode);
- struct gfs2_sbd *sdp = GFS2_SB(inode);
struct gfs2_holder gh;
- int ret;
gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
- ret = gfs2_glock_nq(&gh);
- if (unlikely(ret))
+ if (gfs2_glock_nq(&gh))
goto out_uninit;
if (!gfs2_is_stuffed(ip))
- ret = mpage_readpages(mapping, pages, nr_pages, gfs2_block_map);
+ mpage_readahead(rac, gfs2_block_map);
gfs2_glock_dq(&gh);
out_uninit:
gfs2_holder_uninit(&gh);
- if (unlikely(gfs2_withdrawn(sdp)))
- ret = -EIO;
- return ret;
}
/**
@@ -833,7 +826,7 @@ static const struct address_space_operations gfs2_aops = {
.writepage = gfs2_writepage,
.writepages = gfs2_writepages,
.readpage = gfs2_readpage,
- .readpages = gfs2_readpages,
+ .readahead = gfs2_readahead,
.bmap = gfs2_bmap,
.invalidatepage = gfs2_invalidatepage,
.releasepage = gfs2_releasepage,
@@ -847,7 +840,7 @@ static const struct address_space_operations gfs2_jdata_aops = {
.writepage = gfs2_jdata_writepage,
.writepages = gfs2_jdata_writepages,
.readpage = gfs2_readpage,
- .readpages = gfs2_readpages,
+ .readahead = gfs2_readahead,
.set_page_dirty = jdata_set_page_dirty,
.bmap = gfs2_bmap,
.invalidatepage = gfs2_invalidatepage,
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 936a8ec6b48e..6306eaae378b 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -528,10 +528,12 @@ lower_metapath:
/* Advance in metadata tree. */
(mp->mp_list[hgt])++;
- if (mp->mp_list[hgt] >= sdp->sd_inptrs) {
- if (!hgt)
+ if (hgt) {
+ if (mp->mp_list[hgt] >= sdp->sd_inptrs)
+ goto lower_metapath;
+ } else {
+ if (mp->mp_list[hgt] >= sdp->sd_diptrs)
break;
- goto lower_metapath;
}
fill_up_metapath:
@@ -876,10 +878,9 @@ static int gfs2_iomap_get(struct inode *inode, loff_t pos, loff_t length,
ret = -ENOENT;
goto unlock;
} else {
- /* report a hole */
iomap->offset = pos;
iomap->length = length;
- goto do_alloc;
+ goto hole_found;
}
}
iomap->length = size;
@@ -933,8 +934,6 @@ unlock:
return ret;
do_alloc:
- iomap->addr = IOMAP_NULL_ADDR;
- iomap->type = IOMAP_HOLE;
if (flags & IOMAP_REPORT) {
if (pos >= size)
ret = -ENOENT;
@@ -956,6 +955,9 @@ do_alloc:
if (pos < size && height == ip->i_height)
ret = gfs2_hole_size(inode, lblock, len, mp, iomap);
}
+hole_found:
+ iomap->addr = IOMAP_NULL_ADDR;
+ iomap->type = IOMAP_HOLE;
goto out;
}
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index c3f7732415be..c0f2875c946c 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -354,7 +354,7 @@ static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip)
hc = kmalloc(hsize, GFP_NOFS | __GFP_NOWARN);
if (hc == NULL)
- hc = __vmalloc(hsize, GFP_NOFS, PAGE_KERNEL);
+ hc = __vmalloc(hsize, GFP_NOFS);
if (hc == NULL)
return ERR_PTR(-ENOMEM);
@@ -1166,7 +1166,7 @@ static int dir_double_exhash(struct gfs2_inode *dip)
hc2 = kmalloc_array(hsize_bytes, 2, GFP_NOFS | __GFP_NOWARN);
if (hc2 == NULL)
- hc2 = __vmalloc(hsize_bytes * 2, GFP_NOFS, PAGE_KERNEL);
+ hc2 = __vmalloc(hsize_bytes * 2, GFP_NOFS);
if (!hc2)
return -ENOMEM;
@@ -1327,7 +1327,7 @@ static void *gfs2_alloc_sort_buffer(unsigned size)
if (size < KMALLOC_MAX_SIZE)
ptr = kmalloc(size, GFP_NOFS | __GFP_NOWARN);
if (!ptr)
- ptr = __vmalloc(size, GFP_NOFS, PAGE_KERNEL);
+ ptr = __vmalloc(size, GFP_NOFS);
return ptr;
}
@@ -1987,8 +1987,7 @@ static int leaf_dealloc(struct gfs2_inode *dip, u32 index, u32 len,
ht = kzalloc(size, GFP_NOFS | __GFP_NOWARN);
if (ht == NULL)
- ht = __vmalloc(size, GFP_NOFS | __GFP_NOWARN | __GFP_ZERO,
- PAGE_KERNEL);
+ ht = __vmalloc(size, GFP_NOFS | __GFP_NOWARN | __GFP_ZERO);
if (!ht)
return -ENOMEM;
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 29f9b6684b74..bf70e3b14938 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -613,7 +613,7 @@ __acquires(&gl->gl_lockref.lock)
fs_err(sdp, "Error %d syncing glock \n", ret);
gfs2_dump_glock(NULL, gl, true);
}
- return;
+ goto skip_inval;
}
}
if (test_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags)) {
@@ -633,6 +633,7 @@ __acquires(&gl->gl_lockref.lock)
clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags);
}
+skip_inval:
gfs2_glock_hold(gl);
/*
* Check for an error encountered since we called go_sync and go_inval.
@@ -722,9 +723,6 @@ __acquires(&gl->gl_lockref.lock)
goto out_unlock;
if (nonblock)
goto out_sched;
- smp_mb();
- if (atomic_read(&gl->gl_revokes) != 0)
- goto out_sched;
set_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
GLOCK_BUG_ON(gl, gl->gl_demote_state == LM_ST_EXCLUSIVE);
gl->gl_target = gl->gl_demote_state;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 70b2d3a1e866..5acd3ce30759 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -622,7 +622,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = finish_no_open(file, NULL);
}
gfs2_glock_dq_uninit(ghs);
- return error;
+ goto fail;
} else if (error != -ENOENT) {
goto fail_gunlock;
}
@@ -764,9 +764,11 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = finish_open(file, dentry, gfs2_open_common);
}
gfs2_glock_dq_uninit(ghs);
+ gfs2_qa_put(ip);
gfs2_glock_dq_uninit(ghs + 1);
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
gfs2_glock_put(io_gl);
+ gfs2_qa_put(dip);
return error;
fail_gunlock3:
@@ -776,7 +778,6 @@ fail_gunlock2:
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
gfs2_glock_put(io_gl);
fail_free_inode:
- gfs2_qa_put(ip);
if (ip->i_gl) {
glock_clear_object(ip->i_gl, ip);
gfs2_glock_put(ip->i_gl);
@@ -1005,7 +1006,7 @@ out_gunlock:
out_child:
gfs2_glock_dq(ghs);
out_parent:
- gfs2_qa_put(ip);
+ gfs2_qa_put(dip);
gfs2_holder_uninit(ghs);
gfs2_holder_uninit(ghs + 1);
return error;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 3a75843ae580..0644e58c6191 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -669,13 +669,13 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
struct buffer_head *bh = bd->bd_bh;
struct gfs2_glock *gl = bd->bd_gl;
+ sdp->sd_log_num_revoke++;
+ if (atomic_inc_return(&gl->gl_revokes) == 1)
+ gfs2_glock_hold(gl);
bh->b_private = NULL;
bd->bd_blkno = bh->b_blocknr;
gfs2_remove_from_ail(bd); /* drops ref on bh */
bd->bd_bh = NULL;
- sdp->sd_log_num_revoke++;
- if (atomic_inc_return(&gl->gl_revokes) == 1)
- gfs2_glock_hold(gl);
set_bit(GLF_LFLUSH, &gl->gl_flags);
list_add(&bd->bd_list, &sdp->sd_log_revokes);
}
@@ -1131,6 +1131,10 @@ int gfs2_logd(void *data)
while (!kthread_should_stop()) {
+ if (gfs2_withdrawn(sdp)) {
+ msleep_interruptible(HZ);
+ continue;
+ }
/* Check for errors writing to the journal */
if (sdp->sd_log_error) {
gfs2_lm(sdp,
@@ -1139,6 +1143,7 @@ int gfs2_logd(void *data)
"prevent further damage.\n",
sdp->sd_fsname, sdp->sd_log_error);
gfs2_withdraw(sdp);
+ continue;
}
did_flush = false;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 5ea96757afc4..cb2a11b458c6 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -263,7 +263,7 @@ static struct bio *gfs2_log_alloc_bio(struct gfs2_sbd *sdp, u64 blkno,
struct super_block *sb = sdp->sd_vfs;
struct bio *bio = bio_alloc(GFP_NOIO, BIO_MAX_PAGES);
- bio->bi_iter.bi_sector = blkno << (sb->s_blocksize_bits - 9);
+ bio->bi_iter.bi_sector = blkno << sdp->sd_fsb2bb_shift;
bio_set_dev(bio, sb->s_bdev);
bio->bi_end_io = end_io;
bio->bi_private = sdp;
@@ -509,12 +509,12 @@ int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head,
unsigned int bsize = sdp->sd_sb.sb_bsize, off;
unsigned int bsize_shift = sdp->sd_sb.sb_bsize_shift;
unsigned int shift = PAGE_SHIFT - bsize_shift;
- unsigned int readahead_blocks = BIO_MAX_PAGES << shift;
+ unsigned int max_blocks = 2 * 1024 * 1024 >> bsize_shift;
struct gfs2_journal_extent *je;
int sz, ret = 0;
struct bio *bio = NULL;
struct page *page = NULL;
- bool bio_chained = false, done = false;
+ bool done = false;
errseq_t since;
memset(head, 0, sizeof(*head));
@@ -537,30 +537,30 @@ int gfs2_find_jhead(struct gfs2_jdesc *jd, struct gfs2_log_header_host *head,
off = 0;
}
- if (!bio || (bio_chained && !off)) {
- /* start new bio */
- } else {
- sz = bio_add_page(bio, page, bsize, off);
- if (sz == bsize)
- goto block_added;
+ if (bio && (off || block < blocks_submitted + max_blocks)) {
+ sector_t sector = dblock << sdp->sd_fsb2bb_shift;
+
+ if (bio_end_sector(bio) == sector) {
+ sz = bio_add_page(bio, page, bsize, off);
+ if (sz == bsize)
+ goto block_added;
+ }
if (off) {
unsigned int blocks =
(PAGE_SIZE - off) >> bsize_shift;
bio = gfs2_chain_bio(bio, blocks);
- bio_chained = true;
goto add_block_to_new_bio;
}
}
if (bio) {
- blocks_submitted = block + 1;
+ blocks_submitted = block;
submit_bio(bio);
}
bio = gfs2_log_alloc_bio(sdp, dblock, gfs2_end_log_read);
bio->bi_opf = REQ_OP_READ;
- bio_chained = false;
add_block_to_new_bio:
sz = bio_add_page(bio, page, bsize, off);
BUG_ON(sz != bsize);
@@ -568,7 +568,7 @@ block_added:
off += bsize;
if (off == PAGE_SIZE)
page = NULL;
- if (blocks_submitted < blocks_read + readahead_blocks) {
+ if (blocks_submitted <= blocks_read + max_blocks) {
/* Keep at least one bio in flight */
continue;
}
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 4b72abcf83b2..9856cc2e0795 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -252,7 +252,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags,
int num = 0;
if (unlikely(gfs2_withdrawn(sdp)) &&
- (!sdp->sd_jdesc || (blkno != sdp->sd_jdesc->jd_no_addr))) {
+ (!sdp->sd_jdesc || gl != sdp->sd_jinode_gl)) {
*bhp = NULL;
return -EIO;
}
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index cc0c4b5800be..4b67d47a7e00 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1051,8 +1051,7 @@ int gfs2_quota_lock(struct gfs2_inode *ip, kuid_t uid, kgid_t gid)
u32 x;
int error = 0;
- if (capable(CAP_SYS_RESOURCE) ||
- sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
+ if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
return 0;
error = gfs2_quota_hold(ip, uid, gid);
@@ -1125,7 +1124,7 @@ void gfs2_quota_unlock(struct gfs2_inode *ip)
int found;
if (!test_and_clear_bit(GIF_QD_LOCKED, &ip->i_flags))
- goto out;
+ return;
for (x = 0; x < ip->i_qadata->qa_qd_num; x++) {
struct gfs2_quota_data *qd;
@@ -1162,7 +1161,6 @@ void gfs2_quota_unlock(struct gfs2_inode *ip)
qd_unlock(qda[x]);
}
-out:
gfs2_quota_unhold(ip);
}
@@ -1210,9 +1208,6 @@ int gfs2_quota_check(struct gfs2_inode *ip, kuid_t uid, kgid_t gid,
if (!test_bit(GIF_QD_LOCKED, &ip->i_flags))
return 0;
- if (sdp->sd_args.ar_quota != GFS2_QUOTA_ON)
- return 0;
-
for (x = 0; x < ip->i_qadata->qa_qd_num; x++) {
qd = ip->i_qadata->qa_qd[x];
@@ -1270,7 +1265,9 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
if (ip->i_diskflags & GFS2_DIF_SYSTEM)
return;
- BUG_ON(ip->i_qadata->qa_ref <= 0);
+ if (gfs2_assert_withdraw(sdp, ip->i_qadata &&
+ ip->i_qadata->qa_ref > 0))
+ return;
for (x = 0; x < ip->i_qadata->qa_qd_num; x++) {
qd = ip->i_qadata->qa_qd[x];
@@ -1368,7 +1365,7 @@ int gfs2_quota_init(struct gfs2_sbd *sdp)
sdp->sd_quota_bitmap = kzalloc(bm_size, GFP_NOFS | __GFP_NOWARN);
if (sdp->sd_quota_bitmap == NULL)
sdp->sd_quota_bitmap = __vmalloc(bm_size, GFP_NOFS |
- __GFP_ZERO, PAGE_KERNEL);
+ __GFP_ZERO);
if (!sdp->sd_quota_bitmap)
return error;
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 7f9ca8ef40fc..21ada332d555 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -44,7 +44,8 @@ static inline int gfs2_quota_lock_check(struct gfs2_inode *ip,
int ret;
ap->allowed = UINT_MAX; /* Assume we are permitted a whole lot */
- if (sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
+ if (capable(CAP_SYS_RESOURCE) ||
+ sdp->sd_args.ar_quota == GFS2_QUOTA_OFF)
return 0;
ret = gfs2_quota_lock(ip, NO_UID_QUOTA_CHANGE, NO_GID_QUOTA_CHANGE);
if (ret)
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 37fc41632aa2..956fced0a8ec 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1404,7 +1404,6 @@ out:
if (ip->i_qadata)
gfs2_assert_warn(sdp, ip->i_qadata->qa_ref == 0);
gfs2_rs_delete(ip, NULL);
- gfs2_qa_put(ip);
gfs2_ordered_del_inode(ip);
clear_inode(inode);
gfs2_dir_hash_inval(ip);
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index 9b64d40ab379..aa087a5675af 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -119,6 +119,12 @@ static void signal_our_withdraw(struct gfs2_sbd *sdp)
if (!sb_rdonly(sdp->sd_vfs))
ret = gfs2_make_fs_ro(sdp);
+ if (sdp->sd_lockstruct.ls_ops->lm_lock == NULL) { /* lock_nolock */
+ if (!ret)
+ ret = -EIO;
+ clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);
+ goto skip_recovery;
+ }
/*
* Drop the glock for our journal so another node can recover it.
*/
@@ -159,10 +165,6 @@ static void signal_our_withdraw(struct gfs2_sbd *sdp)
wait_on_bit(&gl->gl_flags, GLF_FREEING, TASK_UNINTERRUPTIBLE);
}
- if (sdp->sd_lockstruct.ls_ops->lm_lock == NULL) { /* lock_nolock */
- clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);
- goto skip_recovery;
- }
/*
* Dequeue the "live" glock, but keep a reference so it's never freed.
*/
diff --git a/fs/hfs/Kconfig b/fs/hfs/Kconfig
index 44f6e89bcb75..129926b5142d 100644
--- a/fs/hfs/Kconfig
+++ b/fs/hfs/Kconfig
@@ -6,7 +6,7 @@ config HFS_FS
help
If you say Y here, you will be able to mount Macintosh-formatted
floppy disks and hard drive partitions with full read-write access.
- Please read <file:Documentation/filesystems/hfs.txt> to learn about
+ Please read <file:Documentation/filesystems/hfs.rst> to learn about
the available mount options.
To compile this file system support as a module, choose M here: the
diff --git a/fs/hfs/mdb.c b/fs/hfs/mdb.c
index 460281b1299e..cdf0edeeb278 100644
--- a/fs/hfs/mdb.c
+++ b/fs/hfs/mdb.c
@@ -32,29 +32,35 @@
static int hfs_get_last_session(struct super_block *sb,
sector_t *start, sector_t *size)
{
- struct cdrom_multisession ms_info;
- struct cdrom_tocentry te;
- int res;
+ struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
/* default values */
*start = 0;
*size = i_size_read(sb->s_bdev->bd_inode) >> 9;
if (HFS_SB(sb)->session >= 0) {
+ struct cdrom_tocentry te;
+
+ if (!cdi)
+ return -EINVAL;
+
te.cdte_track = HFS_SB(sb)->session;
te.cdte_format = CDROM_LBA;
- res = ioctl_by_bdev(sb->s_bdev, CDROMREADTOCENTRY, (unsigned long)&te);
- if (!res && (te.cdte_ctrl & CDROM_DATA_TRACK) == 4) {
- *start = (sector_t)te.cdte_addr.lba << 2;
- return 0;
+ if (cdrom_read_tocentry(cdi, &te) ||
+ (te.cdte_ctrl & CDROM_DATA_TRACK) != 4) {
+ pr_err("invalid session number or type of track\n");
+ return -EINVAL;
}
- pr_err("invalid session number or type of track\n");
- return -EINVAL;
+
+ *start = (sector_t)te.cdte_addr.lba << 2;
+ } else if (cdi) {
+ struct cdrom_multisession ms_info;
+
+ ms_info.addr_format = CDROM_LBA;
+ if (cdrom_multisession(cdi, &ms_info) == 0 && ms_info.xa_flag)
+ *start = (sector_t)ms_info.addr.lba << 2;
}
- ms_info.addr_format = CDROM_LBA;
- res = ioctl_by_bdev(sb->s_bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
- if (!res && ms_info.xa_flag)
- *start = (sector_t)ms_info.addr.lba << 2;
+
return 0;
}
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 94bd83b36644..e3da9e96b835 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -340,7 +340,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end,
}
if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
inode_unlock(inode);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 2b9e5743105e..129dca3f4b78 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -239,7 +239,7 @@ out:
mutex_unlock(&sbi->vh_mutex);
if (!test_bit(HFSPLUS_SB_NOBARRIER, &sbi->flags))
- blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(sb->s_bdev, GFP_KERNEL);
return error;
}
diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c
index 08c1580bdf7a..61eec628805d 100644
--- a/fs/hfsplus/wrapper.c
+++ b/fs/hfsplus/wrapper.c
@@ -127,31 +127,34 @@ static int hfsplus_read_mdb(void *bufptr, struct hfsplus_wd *wd)
static int hfsplus_get_last_session(struct super_block *sb,
sector_t *start, sector_t *size)
{
- struct cdrom_multisession ms_info;
- struct cdrom_tocentry te;
- int res;
+ struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
/* default values */
*start = 0;
*size = i_size_read(sb->s_bdev->bd_inode) >> 9;
if (HFSPLUS_SB(sb)->session >= 0) {
+ struct cdrom_tocentry te;
+
+ if (!cdi)
+ return -EINVAL;
+
te.cdte_track = HFSPLUS_SB(sb)->session;
te.cdte_format = CDROM_LBA;
- res = ioctl_by_bdev(sb->s_bdev,
- CDROMREADTOCENTRY, (unsigned long)&te);
- if (!res && (te.cdte_ctrl & CDROM_DATA_TRACK) == 4) {
- *start = (sector_t)te.cdte_addr.lba << 2;
- return 0;
+ if (cdrom_read_tocentry(cdi, &te) ||
+ (te.cdte_ctrl & CDROM_DATA_TRACK) != 4) {
+ pr_err("invalid session number or type of track\n");
+ return -EINVAL;
}
- pr_err("invalid session number or type of track\n");
- return -EINVAL;
+ *start = (sector_t)te.cdte_addr.lba << 2;
+ } else if (cdi) {
+ struct cdrom_multisession ms_info;
+
+ ms_info.addr_format = CDROM_LBA;
+ if (cdrom_multisession(cdi, &ms_info) == 0 && ms_info.xa_flag)
+ *start = (sector_t)ms_info.addr.lba << 2;
}
- ms_info.addr_format = CDROM_LBA;
- res = ioctl_by_bdev(sb->s_bdev, CDROMMULTISESSION,
- (unsigned long)&ms_info);
- if (!res && ms_info.xa_flag)
- *start = (sector_t)ms_info.addr.lba << 2;
+
return 0;
}
diff --git a/fs/hpfs/Kconfig b/fs/hpfs/Kconfig
index 56aa0336254a..2b36dc6f0a10 100644
--- a/fs/hpfs/Kconfig
+++ b/fs/hpfs/Kconfig
@@ -9,7 +9,7 @@ config HPFS_FS
write files to an OS/2 HPFS partition on your hard drive. OS/2
floppies however are in regular MSDOS format, so you don't need this
option in order to be able to read them. Read
- <file:Documentation/filesystems/hpfs.txt>.
+ <file:Documentation/filesystems/hpfs.rst>.
To compile this file system support as a module, choose M here: the
module will be called hpfs. If unsure, say N.
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index b36abf9cb345..2de0d3492d15 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -125,10 +125,9 @@ static int hpfs_writepage(struct page *page, struct writeback_control *wbc)
return block_write_full_page(page, hpfs_get_block, wbc);
}
-static int hpfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void hpfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, hpfs_get_block);
+ mpage_readahead(rac, hpfs_get_block);
}
static int hpfs_writepages(struct address_space *mapping,
@@ -198,7 +197,7 @@ static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
const struct address_space_operations hpfs_aops = {
.readpage = hpfs_readpage,
.writepage = hpfs_writepage,
- .readpages = hpfs_readpages,
+ .readahead = hpfs_readahead,
.writepages = hpfs_writepages,
.write_begin = hpfs_write_begin,
.write_end = hpfs_write_end,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 991c60c7ffe0..f3420a643b4f 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -38,6 +38,7 @@
#include <linux/uio.h>
#include <linux/uaccess.h>
+#include <linux/sched/mm.h>
static const struct super_operations hugetlbfs_ops;
static const struct address_space_operations hugetlbfs_aops;
@@ -191,13 +192,60 @@ out:
#ifndef HAVE_ARCH_HUGETLB_UNMAPPED_AREA
static unsigned long
+hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+ struct hstate *h = hstate_file(file);
+ struct vm_unmapped_area_info info;
+
+ info.flags = 0;
+ info.length = len;
+ info.low_limit = current->mm->mmap_base;
+ info.high_limit = TASK_SIZE;
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ return vm_unmapped_area(&info);
+}
+
+static unsigned long
+hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff, unsigned long flags)
+{
+ struct hstate *h = hstate_file(file);
+ struct vm_unmapped_area_info info;
+
+ info.flags = VM_UNMAPPED_AREA_TOPDOWN;
+ info.length = len;
+ info.low_limit = max(PAGE_SIZE, mmap_min_addr);
+ info.high_limit = current->mm->mmap_base;
+ info.align_mask = PAGE_MASK & ~huge_page_mask(h);
+ info.align_offset = 0;
+ addr = vm_unmapped_area(&info);
+
+ /*
+ * A failed mmap() very likely causes application failure,
+ * so fall back to the bottom-up function here. This scenario
+ * can happen with large stack limits and large mmap()
+ * allocations.
+ */
+ if (unlikely(offset_in_page(addr))) {
+ VM_BUG_ON(addr != -ENOMEM);
+ info.flags = 0;
+ info.low_limit = current->mm->mmap_base;
+ info.high_limit = TASK_SIZE;
+ addr = vm_unmapped_area(&info);
+ }
+
+ return addr;
+}
+
+static unsigned long
hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
struct hstate *h = hstate_file(file);
- struct vm_unmapped_area_info info;
if (len & ~huge_page_mask(h))
return -EINVAL;
@@ -218,13 +266,16 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
return addr;
}
- info.flags = 0;
- info.length = len;
- info.low_limit = TASK_UNMAPPED_BASE;
- info.high_limit = TASK_SIZE;
- info.align_mask = PAGE_MASK & ~huge_page_mask(h);
- info.align_offset = 0;
- return vm_unmapped_area(&info);
+ /*
+ * Use mm->get_unmapped_area value as a hint to use topdown routine.
+ * If architectures have special needs, they should define their own
+ * version of hugetlb_get_unmapped_area.
+ */
+ if (mm->get_unmapped_area == arch_get_unmapped_area_topdown)
+ return hugetlb_get_unmapped_area_topdown(file, addr, len,
+ pgoff, flags);
+ return hugetlb_get_unmapped_area_bottomup(file, addr, len,
+ pgoff, flags);
}
#endif
diff --git a/fs/inode.c b/fs/inode.c
index 93d9252a00ab..9fcec07a9d7c 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -108,7 +108,7 @@ long get_nr_dirty_inodes(void)
*/
#ifdef CONFIG_SYSCTL
int proc_nr_inodes(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
inodes_stat.nr_inodes = get_nr_inodes();
inodes_stat.nr_unused = get_nr_inodes_unused();
@@ -1606,14 +1606,14 @@ EXPORT_SYMBOL(iput);
* @inode: inode owning the block number being requested
* @block: pointer containing the block to find
*
- * Replaces the value in *block with the block number on the device holding
+ * Replaces the value in ``*block`` with the block number on the device holding
* corresponding to the requested block number in the file.
* That is, asked for block 4 of inode 1 the function will replace the
- * 4 in *block, with disk block relative to the disk start that holds that
+ * 4 in ``*block``, with disk block relative to the disk start that holds that
* block of the file.
*
* Returns -EINVAL in case of error, 0 otherwise. If mapping falls into a
- * hole, returns 0 and *block is also set to 0.
+ * hole, returns 0 and ``*block`` is also set to 0.
*/
int bmap(struct inode *inode, sector_t *block)
{
diff --git a/fs/internal.h b/fs/internal.h
index aa5d45524e87..b89d78f10396 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -126,7 +126,6 @@ extern struct open_how build_open_how(int flags, umode_t mode);
extern int build_open_flags(const struct open_how *how, struct open_flags *op);
long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
-long do_faccessat(int dfd, const char __user *filename, int mode);
int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
int flag);
@@ -186,5 +185,5 @@ int sb_init_dio_done_wq(struct super_block *sb);
/*
* fs/stat.c:
*/
-unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags, int flags);
-int cp_statx(const struct kstat *stat, struct statx __user *buffer);
+int do_statx(int dfd, const char __user *filename, unsigned flags,
+ unsigned int mask, struct statx __user *buffer);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 381d50becd04..9d4bd0d3a080 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -142,7 +142,7 @@ struct io_rings {
*/
u32 sq_dropped;
/*
- * Runtime flags
+ * Runtime SQ flags
*
* Written by the kernel, shouldn't be modified by the
* application.
@@ -152,6 +152,13 @@ struct io_rings {
*/
u32 sq_flags;
/*
+ * Runtime CQ flags
+ *
+ * Written by the application, shouldn't be modified by the
+ * kernel.
+ */
+ u32 cq_flags;
+ /*
* Number of completion events lost because the queue was full;
* this should be avoided by the application by making sure
* there are not more requests pending than there is space in
@@ -191,7 +198,7 @@ struct fixed_file_ref_node {
struct list_head node;
struct list_head file_list;
struct fixed_file_data *file_data;
- struct work_struct work;
+ struct llist_node llist;
};
struct fixed_file_data {
@@ -279,8 +286,8 @@ struct io_ring_ctx {
const struct cred *creds;
- /* 0 is for ctx quiesce/reinit/free, 1 is for sqo_thread started */
- struct completion *completions;
+ struct completion ref_comp;
+ struct completion sq_thread_comp;
/* if all else fails... */
struct io_kiocb *fallback_req;
@@ -327,6 +334,9 @@ struct io_ring_ctx {
struct list_head inflight_list;
} ____cacheline_aligned_in_smp;
+ struct delayed_work file_put_work;
+ struct llist_head file_put_llist;
+
struct work_struct exit_work;
};
@@ -384,7 +394,8 @@ struct io_timeout {
struct file *file;
u64 addr;
int flags;
- u32 count;
+ u32 off;
+ u32 target_seq;
};
struct io_rw {
@@ -415,11 +426,7 @@ struct io_sr_msg {
struct io_open {
struct file *file;
int dfd;
- union {
- unsigned mask;
- };
struct filename *filename;
- struct statx __user *buffer;
struct open_how how;
unsigned long nofile;
};
@@ -471,6 +478,15 @@ struct io_provide_buf {
__u16 bid;
};
+struct io_statx {
+ struct file *file;
+ int dfd;
+ unsigned int mask;
+ unsigned int flags;
+ const char __user *filename;
+ struct statx __user *buffer;
+};
+
struct io_async_connect {
struct sockaddr_storage address;
};
@@ -524,6 +540,7 @@ enum {
REQ_F_OVERFLOW_BIT,
REQ_F_POLLED_BIT,
REQ_F_BUFFER_SELECTED_BIT,
+ REQ_F_NO_FILE_TABLE_BIT,
/* not a real bit, just to check we're not overflowing the space */
__REQ_F_LAST_BIT,
@@ -577,6 +594,8 @@ enum {
REQ_F_POLLED = BIT(REQ_F_POLLED_BIT),
/* buffer already selected */
REQ_F_BUFFER_SELECTED = BIT(REQ_F_BUFFER_SELECTED_BIT),
+ /* doesn't need file table for this request */
+ REQ_F_NO_FILE_TABLE = BIT(REQ_F_NO_FILE_TABLE_BIT),
};
struct async_poll {
@@ -609,13 +628,15 @@ struct io_kiocb {
struct io_epoll epoll;
struct io_splice splice;
struct io_provide_buf pbuf;
+ struct io_statx statx;
};
struct io_async_ctx *io;
int cflags;
- bool needs_fixed_file;
u8 opcode;
+ u16 buf_index;
+
struct io_ring_ctx *ctx;
struct list_head list;
unsigned int flags;
@@ -677,8 +698,6 @@ struct io_op_def {
unsigned needs_mm : 1;
/* needs req->file assigned */
unsigned needs_file : 1;
- /* needs req->file assigned IFF fd is >= 0 */
- unsigned fd_non_neg : 1;
/* hash wq insertion if file is a regular file */
unsigned hash_reg_file : 1;
/* unbound wq insertion if file is a non-regular file */
@@ -781,13 +800,10 @@ static const struct io_op_def io_op_defs[] = {
.needs_file = 1,
},
[IORING_OP_OPENAT] = {
- .needs_file = 1,
- .fd_non_neg = 1,
.file_table = 1,
.needs_fs = 1,
},
[IORING_OP_CLOSE] = {
- .needs_file = 1,
.file_table = 1,
},
[IORING_OP_FILES_UPDATE] = {
@@ -796,9 +812,8 @@ static const struct io_op_def io_op_defs[] = {
},
[IORING_OP_STATX] = {
.needs_mm = 1,
- .needs_file = 1,
- .fd_non_neg = 1,
.needs_fs = 1,
+ .file_table = 1,
},
[IORING_OP_READ] = {
.needs_mm = 1,
@@ -833,8 +848,6 @@ static const struct io_op_def io_op_defs[] = {
.buffer_select = 1,
},
[IORING_OP_OPENAT2] = {
- .needs_file = 1,
- .fd_non_neg = 1,
.file_table = 1,
.needs_fs = 1,
},
@@ -849,6 +862,11 @@ static const struct io_op_def io_op_defs[] = {
},
[IORING_OP_PROVIDE_BUFFERS] = {},
[IORING_OP_REMOVE_BUFFERS] = {},
+ [IORING_OP_TEE] = {
+ .needs_file = 1,
+ .hash_reg_file = 1,
+ .unbound_nonreg_file = 1,
+ },
};
static void io_wq_submit_work(struct io_wq_work **workptr);
@@ -884,11 +902,18 @@ struct sock *io_uring_get_socket(struct file *file)
}
EXPORT_SYMBOL(io_uring_get_socket);
+static void io_file_put_work(struct work_struct *work);
+
+static inline bool io_async_submit(struct io_ring_ctx *ctx)
+{
+ return ctx->flags & IORING_SETUP_SQPOLL;
+}
+
static void io_ring_ctx_ref_free(struct percpu_ref *ref)
{
struct io_ring_ctx *ctx = container_of(ref, struct io_ring_ctx, refs);
- complete(&ctx->completions[0]);
+ complete(&ctx->ref_comp);
}
static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
@@ -904,10 +929,6 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
if (!ctx->fallback_req)
goto err;
- ctx->completions = kmalloc(2 * sizeof(struct completion), GFP_KERNEL);
- if (!ctx->completions)
- goto err;
-
/*
* Use 5 bits less than the max cq entries, that should give us around
* 32 entries per hash list if totally full and uniformly spread.
@@ -928,10 +949,11 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
goto err;
ctx->flags = p->flags;
+ init_waitqueue_head(&ctx->sqo_wait);
init_waitqueue_head(&ctx->cq_wait);
INIT_LIST_HEAD(&ctx->cq_overflow_list);
- init_completion(&ctx->completions[0]);
- init_completion(&ctx->completions[1]);
+ init_completion(&ctx->ref_comp);
+ init_completion(&ctx->sq_thread_comp);
idr_init(&ctx->io_buffer_idr);
idr_init(&ctx->personality_idr);
mutex_init(&ctx->uring_lock);
@@ -943,11 +965,12 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
init_waitqueue_head(&ctx->inflight_wait);
spin_lock_init(&ctx->inflight_lock);
INIT_LIST_HEAD(&ctx->inflight_list);
+ INIT_DELAYED_WORK(&ctx->file_put_work, io_file_put_work);
+ init_llist_head(&ctx->file_put_llist);
return ctx;
err:
if (ctx->fallback_req)
kmem_cache_free(req_cachep, ctx->fallback_req);
- kfree(ctx->completions);
kfree(ctx->cancel_hash);
kfree(ctx);
return NULL;
@@ -969,36 +992,6 @@ static inline bool req_need_defer(struct io_kiocb *req)
return false;
}
-static struct io_kiocb *io_get_deferred_req(struct io_ring_ctx *ctx)
-{
- struct io_kiocb *req;
-
- req = list_first_entry_or_null(&ctx->defer_list, struct io_kiocb, list);
- if (req && !req_need_defer(req)) {
- list_del_init(&req->list);
- return req;
- }
-
- return NULL;
-}
-
-static struct io_kiocb *io_get_timeout_req(struct io_ring_ctx *ctx)
-{
- struct io_kiocb *req;
-
- req = list_first_entry_or_null(&ctx->timeout_list, struct io_kiocb, list);
- if (req) {
- if (req->flags & REQ_F_TIMEOUT_NOSEQ)
- return NULL;
- if (!__req_need_defer(req)) {
- list_del_init(&req->list);
- return req;
- }
- }
-
- return NULL;
-}
-
static void __io_commit_cqring(struct io_ring_ctx *ctx)
{
struct io_rings *rings = ctx->rings;
@@ -1114,17 +1107,43 @@ static void io_kill_timeouts(struct io_ring_ctx *ctx)
spin_unlock_irq(&ctx->completion_lock);
}
-static void io_commit_cqring(struct io_ring_ctx *ctx)
+static void __io_queue_deferred(struct io_ring_ctx *ctx)
{
- struct io_kiocb *req;
+ do {
+ struct io_kiocb *req = list_first_entry(&ctx->defer_list,
+ struct io_kiocb, list);
+
+ if (req_need_defer(req))
+ break;
+ list_del_init(&req->list);
+ io_queue_async_work(req);
+ } while (!list_empty(&ctx->defer_list));
+}
+
+static void io_flush_timeouts(struct io_ring_ctx *ctx)
+{
+ while (!list_empty(&ctx->timeout_list)) {
+ struct io_kiocb *req = list_first_entry(&ctx->timeout_list,
+ struct io_kiocb, list);
+
+ if (req->flags & REQ_F_TIMEOUT_NOSEQ)
+ break;
+ if (req->timeout.target_seq != ctx->cached_cq_tail
+ - atomic_read(&ctx->cq_timeouts))
+ break;
- while ((req = io_get_timeout_req(ctx)) != NULL)
+ list_del_init(&req->list);
io_kill_timeout(req);
+ }
+}
+static void io_commit_cqring(struct io_ring_ctx *ctx)
+{
+ io_flush_timeouts(ctx);
__io_commit_cqring(ctx);
- while ((req = io_get_deferred_req(ctx)) != NULL)
- io_queue_async_work(req);
+ if (unlikely(!list_empty(&ctx->defer_list)))
+ __io_queue_deferred(ctx);
}
static struct io_uring_cqe *io_get_cqring(struct io_ring_ctx *ctx)
@@ -1149,6 +1168,8 @@ static inline bool io_should_trigger_evfd(struct io_ring_ctx *ctx)
{
if (!ctx->cq_ev_fd)
return false;
+ if (READ_ONCE(ctx->rings->cq_flags) & IORING_CQ_EVENTFD_DISABLED)
+ return false;
if (!ctx->eventfd_async)
return true;
return io_wq_current_is_worker();
@@ -1291,7 +1312,7 @@ static struct io_kiocb *io_get_fallback_req(struct io_ring_ctx *ctx)
struct io_kiocb *req;
req = ctx->fallback_req;
- if (!test_and_set_bit_lock(0, (unsigned long *) ctx->fallback_req))
+ if (!test_and_set_bit_lock(0, (unsigned long *) &ctx->fallback_req))
return req;
return NULL;
@@ -1378,7 +1399,7 @@ static void __io_free_req(struct io_kiocb *req)
if (likely(!io_is_fallback_req(req)))
kmem_cache_free(req_cachep, req);
else
- clear_bit_unlock(0, (unsigned long *) req->ctx->fallback_req);
+ clear_bit_unlock(0, (unsigned long *) &req->ctx->fallback_req);
}
struct req_batch {
@@ -1398,10 +1419,6 @@ static void io_free_req_many(struct io_ring_ctx *ctx, struct req_batch *rb)
for (i = 0; i < rb->to_free; i++) {
struct io_kiocb *req = rb->reqs[i];
- if (req->flags & REQ_F_FIXED_FILE) {
- req->file = NULL;
- percpu_ref_put(req->fixed_file_refs);
- }
if (req->flags & REQ_F_INFLIGHT)
inflight++;
__io_req_aux_free(req);
@@ -1674,7 +1691,7 @@ static inline bool io_req_multi_free(struct req_batch *rb, struct io_kiocb *req)
if ((req->flags & REQ_F_LINK_HEAD) || io_is_fallback_req(req))
return false;
- if (!(req->flags & REQ_F_FIXED_FILE) || req->io)
+ if (req->file || req->io)
rb->need_iter++;
rb->reqs[rb->to_free++] = req;
@@ -1989,15 +2006,19 @@ static void io_iopoll_req_issued(struct io_kiocb *req)
wake_up(&ctx->sqo_wait);
}
-static void io_file_put(struct io_submit_state *state)
+static void __io_state_file_put(struct io_submit_state *state)
{
- if (state->file) {
- int diff = state->has_refs - state->used_refs;
+ int diff = state->has_refs - state->used_refs;
- if (diff)
- fput_many(state->file, diff);
- state->file = NULL;
- }
+ if (diff)
+ fput_many(state->file, diff);
+ state->file = NULL;
+}
+
+static inline void io_state_file_put(struct io_submit_state *state)
+{
+ if (state->file)
+ __io_state_file_put(state);
}
/*
@@ -2016,7 +2037,7 @@ static struct file *__io_file_get(struct io_submit_state *state, int fd)
state->ios_left--;
return state->file;
}
- io_file_put(state);
+ __io_state_file_put(state);
}
state->file = fget_many(fd, state->ios_left);
if (!state->file)
@@ -2034,7 +2055,7 @@ static struct file *__io_file_get(struct io_submit_state *state, int fd)
* any file. For now, just ensure that anything potentially problematic is done
* inline.
*/
-static bool io_file_supports_async(struct file *file)
+static bool io_file_supports_async(struct file *file, int rw)
{
umode_t mode = file_inode(file)->i_mode;
@@ -2043,7 +2064,13 @@ static bool io_file_supports_async(struct file *file)
if (S_ISREG(mode) && file->f_op != &io_uring_fops)
return true;
- return false;
+ if (!(file->f_mode & FMODE_NOWAIT))
+ return false;
+
+ if (rw == READ)
+ return file->f_op->read_iter != NULL;
+
+ return file->f_op->write_iter != NULL;
}
static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe,
@@ -2102,9 +2129,7 @@ static int io_prep_rw(struct io_kiocb *req, const struct io_uring_sqe *sqe,
req->rw.addr = READ_ONCE(sqe->addr);
req->rw.len = READ_ONCE(sqe->len);
- /* we own ->private, reuse it for the buffer index / buffer ID */
- req->rw.kiocb.private = (void *) (unsigned long)
- READ_ONCE(sqe->buf_index);
+ req->buf_index = READ_ONCE(sqe->buf_index);
return 0;
}
@@ -2147,7 +2172,7 @@ static ssize_t io_import_fixed(struct io_kiocb *req, int rw,
struct io_ring_ctx *ctx = req->ctx;
size_t len = req->rw.len;
struct io_mapped_ubuf *imu;
- unsigned index, buf_index;
+ u16 index, buf_index;
size_t offset;
u64 buf_addr;
@@ -2155,7 +2180,7 @@ static ssize_t io_import_fixed(struct io_kiocb *req, int rw,
if (unlikely(!ctx->user_bufs))
return -EFAULT;
- buf_index = (unsigned long) req->rw.kiocb.private;
+ buf_index = req->buf_index;
if (unlikely(buf_index >= ctx->nr_user_bufs))
return -EFAULT;
@@ -2271,10 +2296,10 @@ static void __user *io_rw_buffer_select(struct io_kiocb *req, size_t *len,
bool needs_lock)
{
struct io_buffer *kbuf;
- int bgid;
+ u16 bgid;
kbuf = (struct io_buffer *) (unsigned long) req->rw.addr;
- bgid = (int) (unsigned long) req->rw.kiocb.private;
+ bgid = req->buf_index;
kbuf = io_buffer_select(req, len, bgid, kbuf, needs_lock);
if (IS_ERR(kbuf))
return kbuf;
@@ -2365,7 +2390,7 @@ static ssize_t io_import_iovec(int rw, struct io_kiocb *req,
}
/* buffer index only valid with fixed read/write, or buffer select */
- if (req->rw.kiocb.private && !(req->flags & REQ_F_BUFFER_SELECT))
+ if (req->buf_index && !(req->flags & REQ_F_BUFFER_SELECT))
return -EINVAL;
if (opcode == IORING_OP_READ || opcode == IORING_OP_WRITE) {
@@ -2571,7 +2596,7 @@ static int io_read(struct io_kiocb *req, bool force_nonblock)
* If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
* we know to async punt it even if it was opened O_NONBLOCK
*/
- if (force_nonblock && !io_file_supports_async(req->file))
+ if (force_nonblock && !io_file_supports_async(req->file, READ))
goto copy_iov;
iov_count = iov_iter_count(&iter);
@@ -2594,7 +2619,8 @@ copy_iov:
if (ret)
goto out_free;
/* any defer here is final, must blocking retry */
- if (!(req->flags & REQ_F_NOWAIT))
+ if (!(req->flags & REQ_F_NOWAIT) &&
+ !file_can_poll(req->file))
req->flags |= REQ_F_MUST_PUNT;
return -EAGAIN;
}
@@ -2662,7 +2688,7 @@ static int io_write(struct io_kiocb *req, bool force_nonblock)
* If the file doesn't support async, mark it as REQ_F_MUST_PUNT so
* we know to async punt it even if it was opened O_NONBLOCK
*/
- if (force_nonblock && !io_file_supports_async(req->file))
+ if (force_nonblock && !io_file_supports_async(req->file, WRITE))
goto copy_iov;
/* file path doesn't support NOWAIT for non-direct_IO */
@@ -2716,7 +2742,8 @@ copy_iov:
if (ret)
goto out_free;
/* any defer here is final, must blocking retry */
- req->flags |= REQ_F_MUST_PUNT;
+ if (!file_can_poll(req->file))
+ req->flags |= REQ_F_MUST_PUNT;
return -EAGAIN;
}
}
@@ -2726,7 +2753,8 @@ out_free:
return ret;
}
-static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
+static int __io_splice_prep(struct io_kiocb *req,
+ const struct io_uring_sqe *sqe)
{
struct io_splice* sp = &req->splice;
unsigned int valid_flags = SPLICE_F_FD_IN_FIXED | SPLICE_F_ALL;
@@ -2736,8 +2764,6 @@ static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
return 0;
sp->file_in = NULL;
- sp->off_in = READ_ONCE(sqe->splice_off_in);
- sp->off_out = READ_ONCE(sqe->off);
sp->len = READ_ONCE(sqe->len);
sp->flags = READ_ONCE(sqe->splice_flags);
@@ -2756,13 +2782,44 @@ static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
return 0;
}
-static bool io_splice_punt(struct file *file)
+static int io_tee_prep(struct io_kiocb *req,
+ const struct io_uring_sqe *sqe)
{
- if (get_pipe_info(file))
- return false;
- if (!io_file_supports_async(file))
- return true;
- return !(file->f_flags & O_NONBLOCK);
+ if (READ_ONCE(sqe->splice_off_in) || READ_ONCE(sqe->off))
+ return -EINVAL;
+ return __io_splice_prep(req, sqe);
+}
+
+static int io_tee(struct io_kiocb *req, bool force_nonblock)
+{
+ struct io_splice *sp = &req->splice;
+ struct file *in = sp->file_in;
+ struct file *out = sp->file_out;
+ unsigned int flags = sp->flags & ~SPLICE_F_FD_IN_FIXED;
+ long ret = 0;
+
+ if (force_nonblock)
+ return -EAGAIN;
+ if (sp->len)
+ ret = do_tee(in, out, sp->len, flags);
+
+ io_put_file(req, in, (sp->flags & SPLICE_F_FD_IN_FIXED));
+ req->flags &= ~REQ_F_NEED_CLEANUP;
+
+ io_cqring_add_event(req, ret);
+ if (ret != sp->len)
+ req_set_fail_links(req);
+ io_put_req(req);
+ return 0;
+}
+
+static int io_splice_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
+{
+ struct io_splice* sp = &req->splice;
+
+ sp->off_in = READ_ONCE(sqe->splice_off_in);
+ sp->off_out = READ_ONCE(sqe->off);
+ return __io_splice_prep(req, sqe);
}
static int io_splice(struct io_kiocb *req, bool force_nonblock)
@@ -2772,19 +2829,16 @@ static int io_splice(struct io_kiocb *req, bool force_nonblock)
struct file *out = sp->file_out;
unsigned int flags = sp->flags & ~SPLICE_F_FD_IN_FIXED;
loff_t *poff_in, *poff_out;
- long ret;
+ long ret = 0;
- if (force_nonblock) {
- if (io_splice_punt(in) || io_splice_punt(out))
- return -EAGAIN;
- flags |= SPLICE_F_NONBLOCK;
- }
+ if (force_nonblock)
+ return -EAGAIN;
poff_in = (sp->off_in == -1) ? NULL : &sp->off_in;
poff_out = (sp->off_out == -1) ? NULL : &sp->off_out;
- ret = do_splice(in, poff_in, out, poff_out, sp->len, flags);
- if (force_nonblock && ret == -EAGAIN)
- return -EAGAIN;
+
+ if (sp->len)
+ ret = do_splice(in, poff_in, out, poff_out, sp->len, flags);
io_put_file(req, in, (sp->flags & SPLICE_F_FD_IN_FIXED));
req->flags &= ~REQ_F_NEED_CLEANUP;
@@ -3316,71 +3370,35 @@ static int io_fadvise(struct io_kiocb *req, bool force_nonblock)
static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
{
- const char __user *fname;
- unsigned lookup_flags;
- int ret;
-
if (sqe->ioprio || sqe->buf_index)
return -EINVAL;
if (req->flags & REQ_F_FIXED_FILE)
return -EBADF;
- if (req->flags & REQ_F_NEED_CLEANUP)
- return 0;
- req->open.dfd = READ_ONCE(sqe->fd);
- req->open.mask = READ_ONCE(sqe->len);
- fname = u64_to_user_ptr(READ_ONCE(sqe->addr));
- req->open.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
- req->open.how.flags = READ_ONCE(sqe->statx_flags);
-
- if (vfs_stat_set_lookup_flags(&lookup_flags, req->open.how.flags))
- return -EINVAL;
-
- req->open.filename = getname_flags(fname, lookup_flags, NULL);
- if (IS_ERR(req->open.filename)) {
- ret = PTR_ERR(req->open.filename);
- req->open.filename = NULL;
- return ret;
- }
+ req->statx.dfd = READ_ONCE(sqe->fd);
+ req->statx.mask = READ_ONCE(sqe->len);
+ req->statx.filename = u64_to_user_ptr(READ_ONCE(sqe->addr));
+ req->statx.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
+ req->statx.flags = READ_ONCE(sqe->statx_flags);
- req->flags |= REQ_F_NEED_CLEANUP;
return 0;
}
static int io_statx(struct io_kiocb *req, bool force_nonblock)
{
- struct io_open *ctx = &req->open;
- unsigned lookup_flags;
- struct path path;
- struct kstat stat;
+ struct io_statx *ctx = &req->statx;
int ret;
- if (force_nonblock)
+ if (force_nonblock) {
+ /* only need file table for an actual valid fd */
+ if (ctx->dfd == -1 || ctx->dfd == AT_FDCWD)
+ req->flags |= REQ_F_NO_FILE_TABLE;
return -EAGAIN;
+ }
- if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->how.flags))
- return -EINVAL;
-
-retry:
- /* filename_lookup() drops it, keep a reference */
- ctx->filename->refcnt++;
-
- ret = filename_lookup(ctx->dfd, ctx->filename, lookup_flags, &path,
- NULL);
- if (ret)
- goto err;
+ ret = do_statx(ctx->dfd, ctx->filename, ctx->flags, ctx->mask,
+ ctx->buffer);
- ret = vfs_getattr(&path, &stat, ctx->mask, ctx->how.flags);
- path_put(&path);
- if (retry_estale(ret, lookup_flags)) {
- lookup_flags |= LOOKUP_REVAL;
- goto retry;
- }
- if (!ret)
- ret = cp_statx(&stat, ctx->buffer);
-err:
- putname(ctx->filename);
- req->flags &= ~REQ_F_NEED_CLEANUP;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
@@ -3403,10 +3421,6 @@ static int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
return -EBADF;
req->close.fd = READ_ONCE(sqe->fd);
- if (req->file->f_op == &io_uring_fops ||
- req->close.fd == req->ctx->ring_fd)
- return -EBADF;
-
return 0;
}
@@ -3439,21 +3453,14 @@ static int io_close(struct io_kiocb *req, bool force_nonblock)
req->close.put_file = NULL;
ret = __close_fd_get_file(req->close.fd, &req->close.put_file);
if (ret < 0)
- return ret;
+ return (ret == -ENOENT) ? -EBADF : ret;
/* if the file has a flush method, be safe and punt to async */
if (req->close.put_file->f_op->flush && force_nonblock) {
- /* submission ref will be dropped, take it for async */
- refcount_inc(&req->refs);
-
+ /* avoid grabbing files - we don't need the files */
+ req->flags |= REQ_F_NO_FILE_TABLE | REQ_F_MUST_PUNT;
req->work.func = io_close_finish;
- /*
- * Do manual async queue here to avoid grabbing files - we don't
- * need the files, and it'll cause io_close_finish() to close
- * the file again and cause a double CQE entry for this request
- */
- io_queue_async_work(req);
- return 0;
+ return -EAGAIN;
}
/*
@@ -3502,7 +3509,7 @@ static void io_sync_file_range_finish(struct io_wq_work **workptr)
if (io_req_cancelled(req))
return;
__io_sync_file_range(req);
- io_put_req(req); /* put submission ref */
+ io_steal_work(req, workptr);
}
static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock)
@@ -4103,27 +4110,6 @@ struct io_poll_table {
int error;
};
-static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
- struct wait_queue_head *head)
-{
- if (unlikely(poll->head)) {
- pt->error = -EINVAL;
- return;
- }
-
- pt->error = 0;
- poll->head = head;
- add_wait_queue(head, &poll->wait);
-}
-
-static void io_async_queue_proc(struct file *file, struct wait_queue_head *head,
- struct poll_table_struct *p)
-{
- struct io_poll_table *pt = container_of(p, struct io_poll_table, pt);
-
- __io_queue_proc(&pt->req->apoll->poll, pt, head);
-}
-
static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll,
__poll_t mask, task_work_func_t func)
{
@@ -4142,12 +4128,14 @@ static int __io_async_wake(struct io_kiocb *req, struct io_poll_iocb *poll,
req->result = mask;
init_task_work(&req->task_work, func);
/*
- * If this fails, then the task is exiting. Punt to one of the io-wq
- * threads to ensure the work gets run, we can't always rely on exit
- * cancelation taking care of this.
+ * If this fails, then the task is exiting. When a task exits, the
+ * work gets canceled, so just cancel this request as well instead
+ * of executing it. We can't safely execute it anyway, as we may not
+ * have the needed state needed for it anyway.
*/
ret = task_work_add(tsk, &req->task_work, true);
if (unlikely(ret)) {
+ WRITE_ONCE(poll->canceled, true);
tsk = io_wq_get_task(req->ctx->io_wq);
task_work_add(tsk, &req->task_work, true);
}
@@ -4175,12 +4163,150 @@ static bool io_poll_rewait(struct io_kiocb *req, struct io_poll_iocb *poll)
return false;
}
+static void io_poll_remove_double(struct io_kiocb *req)
+{
+ struct io_poll_iocb *poll = (struct io_poll_iocb *) req->io;
+
+ lockdep_assert_held(&req->ctx->completion_lock);
+
+ if (poll && poll->head) {
+ struct wait_queue_head *head = poll->head;
+
+ spin_lock(&head->lock);
+ list_del_init(&poll->wait.entry);
+ if (poll->wait.private)
+ refcount_dec(&req->refs);
+ poll->head = NULL;
+ spin_unlock(&head->lock);
+ }
+}
+
+static void io_poll_complete(struct io_kiocb *req, __poll_t mask, int error)
+{
+ struct io_ring_ctx *ctx = req->ctx;
+
+ io_poll_remove_double(req);
+ req->poll.done = true;
+ io_cqring_fill_event(req, error ? error : mangle_poll(mask));
+ io_commit_cqring(ctx);
+}
+
+static void io_poll_task_handler(struct io_kiocb *req, struct io_kiocb **nxt)
+{
+ struct io_ring_ctx *ctx = req->ctx;
+
+ if (io_poll_rewait(req, &req->poll)) {
+ spin_unlock_irq(&ctx->completion_lock);
+ return;
+ }
+
+ hash_del(&req->hash_node);
+ io_poll_complete(req, req->result, 0);
+ req->flags |= REQ_F_COMP_LOCKED;
+ io_put_req_find_next(req, nxt);
+ spin_unlock_irq(&ctx->completion_lock);
+
+ io_cqring_ev_posted(ctx);
+}
+
+static void io_poll_task_func(struct callback_head *cb)
+{
+ struct io_kiocb *req = container_of(cb, struct io_kiocb, task_work);
+ struct io_kiocb *nxt = NULL;
+
+ io_poll_task_handler(req, &nxt);
+ if (nxt) {
+ struct io_ring_ctx *ctx = nxt->ctx;
+
+ mutex_lock(&ctx->uring_lock);
+ __io_queue_sqe(nxt, NULL);
+ mutex_unlock(&ctx->uring_lock);
+ }
+}
+
+static int io_poll_double_wake(struct wait_queue_entry *wait, unsigned mode,
+ int sync, void *key)
+{
+ struct io_kiocb *req = wait->private;
+ struct io_poll_iocb *poll = (struct io_poll_iocb *) req->io;
+ __poll_t mask = key_to_poll(key);
+
+ /* for instances that support it check for an event match first: */
+ if (mask && !(mask & poll->events))
+ return 0;
+
+ if (req->poll.head) {
+ bool done;
+
+ spin_lock(&req->poll.head->lock);
+ done = list_empty(&req->poll.wait.entry);
+ if (!done)
+ list_del_init(&req->poll.wait.entry);
+ spin_unlock(&req->poll.head->lock);
+ if (!done)
+ __io_async_wake(req, poll, mask, io_poll_task_func);
+ }
+ refcount_dec(&req->refs);
+ return 1;
+}
+
+static void io_init_poll_iocb(struct io_poll_iocb *poll, __poll_t events,
+ wait_queue_func_t wake_func)
+{
+ poll->head = NULL;
+ poll->done = false;
+ poll->canceled = false;
+ poll->events = events;
+ INIT_LIST_HEAD(&poll->wait.entry);
+ init_waitqueue_func_entry(&poll->wait, wake_func);
+}
+
+static void __io_queue_proc(struct io_poll_iocb *poll, struct io_poll_table *pt,
+ struct wait_queue_head *head)
+{
+ struct io_kiocb *req = pt->req;
+
+ /*
+ * If poll->head is already set, it's because the file being polled
+ * uses multiple waitqueues for poll handling (eg one for read, one
+ * for write). Setup a separate io_poll_iocb if this happens.
+ */
+ if (unlikely(poll->head)) {
+ /* already have a 2nd entry, fail a third attempt */
+ if (req->io) {
+ pt->error = -EINVAL;
+ return;
+ }
+ poll = kmalloc(sizeof(*poll), GFP_ATOMIC);
+ if (!poll) {
+ pt->error = -ENOMEM;
+ return;
+ }
+ io_init_poll_iocb(poll, req->poll.events, io_poll_double_wake);
+ refcount_inc(&req->refs);
+ poll->wait.private = req;
+ req->io = (void *) poll;
+ }
+
+ pt->error = 0;
+ poll->head = head;
+ add_wait_queue(head, &poll->wait);
+}
+
+static void io_async_queue_proc(struct file *file, struct wait_queue_head *head,
+ struct poll_table_struct *p)
+{
+ struct io_poll_table *pt = container_of(p, struct io_poll_table, pt);
+
+ __io_queue_proc(&pt->req->apoll->poll, pt, head);
+}
+
static void io_async_task_func(struct callback_head *cb)
{
struct io_kiocb *req = container_of(cb, struct io_kiocb, task_work);
struct async_poll *apoll = req->apoll;
struct io_ring_ctx *ctx = req->ctx;
- bool canceled;
+ bool canceled = false;
trace_io_uring_task_run(req->ctx, req->opcode, req->user_data);
@@ -4189,34 +4315,33 @@ static void io_async_task_func(struct callback_head *cb)
return;
}
- if (hash_hashed(&req->hash_node))
+ /* If req is still hashed, it cannot have been canceled. Don't check. */
+ if (hash_hashed(&req->hash_node)) {
hash_del(&req->hash_node);
-
- canceled = READ_ONCE(apoll->poll.canceled);
- if (canceled) {
- io_cqring_fill_event(req, -ECANCELED);
- io_commit_cqring(ctx);
+ } else {
+ canceled = READ_ONCE(apoll->poll.canceled);
+ if (canceled) {
+ io_cqring_fill_event(req, -ECANCELED);
+ io_commit_cqring(ctx);
+ }
}
spin_unlock_irq(&ctx->completion_lock);
- if (canceled) {
- kfree(apoll);
- io_cqring_ev_posted(ctx);
- req_set_fail_links(req);
- io_put_req(req);
- return;
- }
-
/* restore ->work in case we need to retry again */
memcpy(&req->work, &apoll->work, sizeof(req->work));
-
- __set_current_state(TASK_RUNNING);
- mutex_lock(&ctx->uring_lock);
- __io_queue_sqe(req, NULL);
- mutex_unlock(&ctx->uring_lock);
-
kfree(apoll);
+
+ if (!canceled) {
+ __set_current_state(TASK_RUNNING);
+ mutex_lock(&ctx->uring_lock);
+ __io_queue_sqe(req, NULL);
+ mutex_unlock(&ctx->uring_lock);
+ } else {
+ io_cqring_ev_posted(ctx);
+ req_set_fail_links(req);
+ io_double_put_req(req);
+ }
}
static int io_async_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
@@ -4250,18 +4375,13 @@ static __poll_t __io_arm_poll_handler(struct io_kiocb *req,
bool cancel = false;
poll->file = req->file;
- poll->head = NULL;
- poll->done = poll->canceled = false;
- poll->events = mask;
+ io_init_poll_iocb(poll, mask, wake_func);
+ poll->wait.private = req;
ipt->pt._key = mask;
ipt->req = req;
ipt->error = -EINVAL;
- INIT_LIST_HEAD(&poll->wait.entry);
- init_waitqueue_func_entry(&poll->wait, wake_func);
- poll->wait.private = req;
-
mask = vfs_poll(req->file, &ipt->pt) & poll->events;
spin_lock_irq(&ctx->completion_lock);
@@ -4292,6 +4412,7 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
struct async_poll *apoll;
struct io_poll_table ipt;
__poll_t mask, ret;
+ bool had_io;
if (!req->file || !file_can_poll(req->file))
return false;
@@ -4306,6 +4427,7 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
req->flags |= REQ_F_POLLED;
memcpy(&apoll->work, &req->work, sizeof(req->work));
+ had_io = req->io != NULL;
get_task_struct(current);
req->task = current;
@@ -4325,7 +4447,9 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
io_async_wake);
if (ret) {
ipt.error = 0;
- apoll->poll.done = true;
+ /* only remove double add if we did it here */
+ if (!had_io)
+ io_poll_remove_double(req);
spin_unlock_irq(&ctx->completion_lock);
memcpy(&req->work, &apoll->work, sizeof(req->work));
kfree(apoll);
@@ -4349,32 +4473,32 @@ static bool __io_poll_remove_one(struct io_kiocb *req,
do_complete = true;
}
spin_unlock(&poll->head->lock);
+ hash_del(&req->hash_node);
return do_complete;
}
static bool io_poll_remove_one(struct io_kiocb *req)
{
- struct async_poll *apoll = NULL;
bool do_complete;
if (req->opcode == IORING_OP_POLL_ADD) {
+ io_poll_remove_double(req);
do_complete = __io_poll_remove_one(req, &req->poll);
} else {
- apoll = req->apoll;
+ struct async_poll *apoll = req->apoll;
+
/* non-poll requests have submit ref still */
- do_complete = __io_poll_remove_one(req, &req->apoll->poll);
- if (do_complete)
+ do_complete = __io_poll_remove_one(req, &apoll->poll);
+ if (do_complete) {
io_put_req(req);
- }
-
- hash_del(&req->hash_node);
-
- if (apoll) {
- /*
- * restore ->work because we need to call io_req_work_drop_env.
- */
- memcpy(&req->work, &apoll->work, sizeof(req->work));
- kfree(apoll);
+ /*
+ * restore ->work because we will call
+ * io_req_work_drop_env below when dropping the
+ * final reference.
+ */
+ memcpy(&req->work, &apoll->work, sizeof(req->work));
+ kfree(apoll);
+ }
}
if (do_complete) {
@@ -4459,49 +4583,6 @@ static int io_poll_remove(struct io_kiocb *req)
return 0;
}
-static void io_poll_complete(struct io_kiocb *req, __poll_t mask, int error)
-{
- struct io_ring_ctx *ctx = req->ctx;
-
- req->poll.done = true;
- io_cqring_fill_event(req, error ? error : mangle_poll(mask));
- io_commit_cqring(ctx);
-}
-
-static void io_poll_task_handler(struct io_kiocb *req, struct io_kiocb **nxt)
-{
- struct io_ring_ctx *ctx = req->ctx;
- struct io_poll_iocb *poll = &req->poll;
-
- if (io_poll_rewait(req, poll)) {
- spin_unlock_irq(&ctx->completion_lock);
- return;
- }
-
- hash_del(&req->hash_node);
- io_poll_complete(req, req->result, 0);
- req->flags |= REQ_F_COMP_LOCKED;
- io_put_req_find_next(req, nxt);
- spin_unlock_irq(&ctx->completion_lock);
-
- io_cqring_ev_posted(ctx);
-}
-
-static void io_poll_task_func(struct callback_head *cb)
-{
- struct io_kiocb *req = container_of(cb, struct io_kiocb, task_work);
- struct io_kiocb *nxt = NULL;
-
- io_poll_task_handler(req, &nxt);
- if (nxt) {
- struct io_ring_ctx *ctx = nxt->ctx;
-
- mutex_lock(&ctx->uring_lock);
- __io_queue_sqe(nxt, NULL);
- mutex_unlock(&ctx->uring_lock);
- }
-}
-
static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
void *key)
{
@@ -4581,20 +4662,8 @@ static enum hrtimer_restart io_timeout_fn(struct hrtimer *timer)
* We could be racing with timeout deletion. If the list is empty,
* then timeout lookup already found it and will be handling it.
*/
- if (!list_empty(&req->list)) {
- struct io_kiocb *prev;
-
- /*
- * Adjust the reqs sequence before the current one because it
- * will consume a slot in the cq_ring and the cq_tail
- * pointer will be increased, otherwise other timeout reqs may
- * return in advance without waiting for enough wait_nr.
- */
- prev = req;
- list_for_each_entry_continue_reverse(prev, &ctx->timeout_list, list)
- prev->sequence++;
+ if (!list_empty(&req->list))
list_del_init(&req->list);
- }
io_cqring_fill_event(req, -ETIME);
io_commit_cqring(ctx);
@@ -4674,18 +4743,19 @@ static int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe,
{
struct io_timeout_data *data;
unsigned flags;
+ u32 off = READ_ONCE(sqe->off);
if (unlikely(req->ctx->flags & IORING_SETUP_IOPOLL))
return -EINVAL;
if (sqe->ioprio || sqe->buf_index || sqe->len != 1)
return -EINVAL;
- if (sqe->off && is_timeout_link)
+ if (off && is_timeout_link)
return -EINVAL;
flags = READ_ONCE(sqe->timeout_flags);
if (flags & ~IORING_TIMEOUT_ABS)
return -EINVAL;
- req->timeout.count = READ_ONCE(sqe->off);
+ req->timeout.off = off;
if (!req->io && io_alloc_async_ctx(req))
return -ENOMEM;
@@ -4709,68 +4779,39 @@ static int io_timeout_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe,
static int io_timeout(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
- struct io_timeout_data *data;
+ struct io_timeout_data *data = &req->io->timeout;
struct list_head *entry;
- unsigned span = 0;
- u32 count = req->timeout.count;
- u32 seq = req->sequence;
+ u32 tail, off = req->timeout.off;
- data = &req->io->timeout;
+ spin_lock_irq(&ctx->completion_lock);
/*
* sqe->off holds how many events that need to occur for this
* timeout event to be satisfied. If it isn't set, then this is
* a pure timeout request, sequence isn't used.
*/
- if (!count) {
+ if (!off) {
req->flags |= REQ_F_TIMEOUT_NOSEQ;
- spin_lock_irq(&ctx->completion_lock);
entry = ctx->timeout_list.prev;
goto add;
}
- req->sequence = seq + count;
+ tail = ctx->cached_cq_tail - atomic_read(&ctx->cq_timeouts);
+ req->timeout.target_seq = tail + off;
/*
* Insertion sort, ensuring the first entry in the list is always
* the one we need first.
*/
- spin_lock_irq(&ctx->completion_lock);
list_for_each_prev(entry, &ctx->timeout_list) {
struct io_kiocb *nxt = list_entry(entry, struct io_kiocb, list);
- unsigned nxt_seq;
- long long tmp, tmp_nxt;
- u32 nxt_offset = nxt->timeout.count;
if (nxt->flags & REQ_F_TIMEOUT_NOSEQ)
continue;
-
- /*
- * Since seq + count can overflow, use type long
- * long to store it.
- */
- tmp = (long long)seq + count;
- nxt_seq = nxt->sequence - nxt_offset;
- tmp_nxt = (long long)nxt_seq + nxt_offset;
-
- /*
- * cached_sq_head may overflow, and it will never overflow twice
- * once there is some timeout req still be valid.
- */
- if (seq < nxt_seq)
- tmp += UINT_MAX;
-
- if (tmp > tmp_nxt)
+ /* nxt.seq is behind @tail, otherwise would've been completed */
+ if (off >= nxt->timeout.target_seq - tail)
break;
-
- /*
- * Sequence of reqs after the insert one and itself should
- * be adjusted because each timeout req consumes a slot.
- */
- span++;
- nxt->sequence++;
}
- req->sequence -= span;
add:
list_add(&req->list, entry);
data->timer.function = io_timeout_fn;
@@ -4999,6 +5040,9 @@ static int io_req_defer_prep(struct io_kiocb *req,
case IORING_OP_REMOVE_BUFFERS:
ret = io_remove_buffers_prep(req, sqe);
break;
+ case IORING_OP_TEE:
+ ret = io_tee_prep(req, sqe);
+ break;
default:
printk_once(KERN_WARNING "io_uring: unhandled opcode %d\n",
req->opcode);
@@ -5015,15 +5059,16 @@ static int io_req_defer(struct io_kiocb *req, const struct io_uring_sqe *sqe)
int ret;
/* Still need defer if there is pending req in defer list. */
- if (!req_need_defer(req) && list_empty(&ctx->defer_list))
+ if (!req_need_defer(req) && list_empty_careful(&ctx->defer_list))
return 0;
- if (!req->io && io_alloc_async_ctx(req))
- return -EAGAIN;
-
- ret = io_req_defer_prep(req, sqe);
- if (ret < 0)
- return ret;
+ if (!req->io) {
+ if (io_alloc_async_ctx(req))
+ return -EAGAIN;
+ ret = io_req_defer_prep(req, sqe);
+ if (ret < 0)
+ return ret;
+ }
spin_lock_irq(&ctx->completion_lock);
if (!req_need_defer(req) && list_empty(&ctx->defer_list)) {
@@ -5068,10 +5113,9 @@ static void io_cleanup_req(struct io_kiocb *req)
break;
case IORING_OP_OPENAT:
case IORING_OP_OPENAT2:
- case IORING_OP_STATX:
- putname(req->open.filename);
break;
case IORING_OP_SPLICE:
+ case IORING_OP_TEE:
io_put_file(req, req->splice.file_in,
(req->splice.flags & SPLICE_F_FD_IN_FIXED));
break;
@@ -5302,6 +5346,14 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
}
ret = io_remove_buffers(req, force_nonblock);
break;
+ case IORING_OP_TEE:
+ if (sqe) {
+ ret = io_tee_prep(req, sqe);
+ if (ret < 0)
+ break;
+ }
+ ret = io_tee(req, force_nonblock);
+ break;
default:
ret = -EINVAL;
break;
@@ -5310,7 +5362,8 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
if (ret)
return ret;
- if (ctx->flags & IORING_SETUP_IOPOLL) {
+ /* If the op doesn't have a file, we're not polling for it */
+ if ((ctx->flags & IORING_SETUP_IOPOLL) && req->file) {
const bool in_async = io_wq_current_is_worker();
if (req->result == -EAGAIN)
@@ -5364,22 +5417,13 @@ static void io_wq_submit_work(struct io_wq_work **workptr)
io_steal_work(req, workptr);
}
-static int io_req_needs_file(struct io_kiocb *req, int fd)
-{
- if (!io_op_defs[req->opcode].needs_file)
- return 0;
- if ((fd == -1 || fd == AT_FDCWD) && io_op_defs[req->opcode].fd_non_neg)
- return 0;
- return 1;
-}
-
static inline struct file *io_file_from_index(struct io_ring_ctx *ctx,
int index)
{
struct fixed_file_table *table;
table = &ctx->file_data->table[index >> IORING_FILE_TABLE_SHIFT];
- return table->files[index & IORING_FILE_TABLE_MASK];;
+ return table->files[index & IORING_FILE_TABLE_MASK];
}
static int io_file_get(struct io_submit_state *state, struct io_kiocb *req,
@@ -5410,15 +5454,12 @@ static int io_file_get(struct io_submit_state *state, struct io_kiocb *req,
}
static int io_req_set_file(struct io_submit_state *state, struct io_kiocb *req,
- int fd, unsigned int flags)
+ int fd)
{
bool fixed;
- if (!io_req_needs_file(req, fd))
- return 0;
-
- fixed = (flags & IOSQE_FIXED_FILE);
- if (unlikely(!fixed && req->needs_fixed_file))
+ fixed = (req->flags & REQ_F_FIXED_FILE) != 0;
+ if (unlikely(!fixed && io_async_submit(req->ctx)))
return -EBADF;
return io_file_get(state, req, fd, &req->file, fixed);
@@ -5429,7 +5470,7 @@ static int io_grab_files(struct io_kiocb *req)
int ret = -EBADF;
struct io_ring_ctx *ctx = req->ctx;
- if (req->work.files)
+ if (req->work.files || (req->flags & REQ_F_NO_FILE_TABLE))
return 0;
if (!ctx->ring_file)
return -EBADF;
@@ -5623,9 +5664,15 @@ fail_req:
io_double_put_req(req);
}
} else if (req->flags & REQ_F_FORCE_ASYNC) {
- ret = io_req_defer_prep(req, sqe);
- if (unlikely(ret < 0))
- goto fail_req;
+ if (!req->io) {
+ ret = -EAGAIN;
+ if (io_alloc_async_ctx(req))
+ goto fail_req;
+ ret = io_req_defer_prep(req, sqe);
+ if (unlikely(ret < 0))
+ goto fail_req;
+ }
+
/*
* Never try inline submit of IOSQE_ASYNC is set, go straight
* to async execution.
@@ -5647,7 +5694,7 @@ static inline void io_queue_link_head(struct io_kiocb *req)
}
static int io_submit_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
- struct io_submit_state *state, struct io_kiocb **link)
+ struct io_kiocb **link)
{
struct io_ring_ctx *ctx = req->ctx;
int ret;
@@ -5720,7 +5767,7 @@ static int io_submit_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
static void io_submit_state_end(struct io_submit_state *state)
{
blk_finish_plug(&state->plug);
- io_file_put(state);
+ io_state_file_put(state);
if (state->free_reqs)
kmem_cache_free_bulk(req_cachep, state->free_reqs, state->reqs);
}
@@ -5791,10 +5838,10 @@ static inline void io_consume_sqe(struct io_ring_ctx *ctx)
static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
const struct io_uring_sqe *sqe,
- struct io_submit_state *state, bool async)
+ struct io_submit_state *state)
{
unsigned int sqe_flags;
- int id, fd;
+ int id;
/*
* All io need record the previous position, if LINK vs DARIN,
@@ -5812,7 +5859,6 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
refcount_set(&req->refs, 2);
req->task = NULL;
req->result = 0;
- req->needs_fixed_file = async;
INIT_IO_WORK(&req->work, io_wq_submit_work);
if (unlikely(req->opcode >= IORING_OP_LAST))
@@ -5842,16 +5888,16 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
}
/* same numerical values with corresponding REQ_F_*, safe to copy */
- req->flags |= sqe_flags & (IOSQE_IO_DRAIN | IOSQE_IO_HARDLINK |
- IOSQE_ASYNC | IOSQE_FIXED_FILE |
- IOSQE_BUFFER_SELECT | IOSQE_IO_LINK);
+ req->flags |= sqe_flags;
- fd = READ_ONCE(sqe->fd);
- return io_req_set_file(state, req, fd, sqe_flags);
+ if (!io_op_defs[req->opcode].needs_file)
+ return 0;
+
+ return io_req_set_file(state, req, READ_ONCE(sqe->fd));
}
static int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr,
- struct file *ring_file, int ring_fd, bool async)
+ struct file *ring_file, int ring_fd)
{
struct io_submit_state state, *statep = NULL;
struct io_kiocb *link = NULL;
@@ -5895,7 +5941,7 @@ static int io_submit_sqes(struct io_ring_ctx *ctx, unsigned int nr,
break;
}
- err = io_init_req(ctx, req, sqe, statep, async);
+ err = io_init_req(ctx, req, sqe, statep);
io_consume_sqe(ctx);
/* will complete beyond this point, count as submitted */
submitted++;
@@ -5908,8 +5954,8 @@ fail_req:
}
trace_io_uring_submit_sqe(ctx, req->opcode, req->user_data,
- true, async);
- err = io_submit_sqe(req, sqe, statep, &link);
+ true, io_async_submit(ctx));
+ err = io_submit_sqe(req, sqe, &link);
if (err)
goto fail_req;
}
@@ -5949,7 +5995,7 @@ static int io_sq_thread(void *data)
unsigned long timeout;
int ret = 0;
- complete(&ctx->completions[1]);
+ complete(&ctx->sq_thread_comp);
old_fs = get_fs();
set_fs(USER_DS);
@@ -6039,6 +6085,7 @@ static int io_sq_thread(void *data)
finish_wait(&ctx->sqo_wait, &wait);
ctx->rings->sq_flags &= ~IORING_SQ_NEED_WAKEUP;
+ ret = 0;
continue;
}
finish_wait(&ctx->sqo_wait, &wait);
@@ -6047,7 +6094,8 @@ static int io_sq_thread(void *data)
}
mutex_lock(&ctx->uring_lock);
- ret = io_submit_sqes(ctx, to_submit, NULL, -1, true);
+ if (likely(!percpu_ref_is_dying(&ctx->refs)))
+ ret = io_submit_sqes(ctx, to_submit, NULL, -1);
mutex_unlock(&ctx->uring_lock);
timeout = jiffies + ctx->sq_thread_idle;
}
@@ -6195,22 +6243,22 @@ static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
struct fixed_file_data *data = ctx->file_data;
struct fixed_file_ref_node *ref_node = NULL;
unsigned nr_tables, i;
- unsigned long flags;
if (!data)
return -ENXIO;
- spin_lock_irqsave(&data->lock, flags);
+ spin_lock(&data->lock);
if (!list_empty(&data->ref_list))
ref_node = list_first_entry(&data->ref_list,
struct fixed_file_ref_node, node);
- spin_unlock_irqrestore(&data->lock, flags);
+ spin_unlock(&data->lock);
if (ref_node)
percpu_ref_kill(&ref_node->refs);
percpu_ref_kill(&data->refs);
/* wait for all refs nodes to complete */
+ flush_delayed_work(&ctx->file_put_work);
wait_for_completion(&data->done);
__io_sqe_files_unregister(ctx);
@@ -6228,7 +6276,7 @@ static int io_sqe_files_unregister(struct io_ring_ctx *ctx)
static void io_sq_thread_stop(struct io_ring_ctx *ctx)
{
if (ctx->sqo_thread) {
- wait_for_completion(&ctx->completions[1]);
+ wait_for_completion(&ctx->sq_thread_comp);
/*
* The park is a bit of a work-around, without it we get
* warning spews on shutdown with SQPOLL set and affinity
@@ -6441,40 +6489,63 @@ struct io_file_put {
struct file *file;
};
-static void io_file_put_work(struct work_struct *work)
+static void __io_file_put_work(struct fixed_file_ref_node *ref_node)
{
- struct fixed_file_ref_node *ref_node;
- struct fixed_file_data *file_data;
- struct io_ring_ctx *ctx;
+ struct fixed_file_data *file_data = ref_node->file_data;
+ struct io_ring_ctx *ctx = file_data->ctx;
struct io_file_put *pfile, *tmp;
- unsigned long flags;
-
- ref_node = container_of(work, struct fixed_file_ref_node, work);
- file_data = ref_node->file_data;
- ctx = file_data->ctx;
list_for_each_entry_safe(pfile, tmp, &ref_node->file_list, list) {
- list_del_init(&pfile->list);
+ list_del(&pfile->list);
io_ring_file_put(ctx, pfile->file);
kfree(pfile);
}
- spin_lock_irqsave(&file_data->lock, flags);
- list_del_init(&ref_node->node);
- spin_unlock_irqrestore(&file_data->lock, flags);
+ spin_lock(&file_data->lock);
+ list_del(&ref_node->node);
+ spin_unlock(&file_data->lock);
percpu_ref_exit(&ref_node->refs);
kfree(ref_node);
percpu_ref_put(&file_data->refs);
}
+static void io_file_put_work(struct work_struct *work)
+{
+ struct io_ring_ctx *ctx;
+ struct llist_node *node;
+
+ ctx = container_of(work, struct io_ring_ctx, file_put_work.work);
+ node = llist_del_all(&ctx->file_put_llist);
+
+ while (node) {
+ struct fixed_file_ref_node *ref_node;
+ struct llist_node *next = node->next;
+
+ ref_node = llist_entry(node, struct fixed_file_ref_node, llist);
+ __io_file_put_work(ref_node);
+ node = next;
+ }
+}
+
static void io_file_data_ref_zero(struct percpu_ref *ref)
{
struct fixed_file_ref_node *ref_node;
+ struct io_ring_ctx *ctx;
+ bool first_add;
+ int delay = HZ;
ref_node = container_of(ref, struct fixed_file_ref_node, refs);
+ ctx = ref_node->file_data->ctx;
- queue_work(system_wq, &ref_node->work);
+ if (percpu_ref_is_dying(&ctx->file_data->refs))
+ delay = 0;
+
+ first_add = llist_add(&ref_node->llist, &ctx->file_put_llist);
+ if (!delay)
+ mod_delayed_work(system_wq, &ctx->file_put_work, 0);
+ else if (first_add)
+ queue_delayed_work(system_wq, &ctx->file_put_work, delay);
}
static struct fixed_file_ref_node *alloc_fixed_file_ref_node(
@@ -6493,10 +6564,8 @@ static struct fixed_file_ref_node *alloc_fixed_file_ref_node(
}
INIT_LIST_HEAD(&ref_node->node);
INIT_LIST_HEAD(&ref_node->file_list);
- INIT_WORK(&ref_node->work, io_file_put_work);
ref_node->file_data = ctx->file_data;
return ref_node;
-
}
static void destroy_fixed_file_ref_node(struct fixed_file_ref_node *ref_node)
@@ -6514,7 +6583,6 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
int fd, ret = 0;
unsigned i;
struct fixed_file_ref_node *ref_node;
- unsigned long flags;
if (ctx->file_data)
return -EBUSY;
@@ -6622,9 +6690,9 @@ static int io_sqe_files_register(struct io_ring_ctx *ctx, void __user *arg,
}
ctx->file_data->cur_refs = &ref_node->refs;
- spin_lock_irqsave(&ctx->file_data->lock, flags);
+ spin_lock(&ctx->file_data->lock);
list_add(&ref_node->node, &ctx->file_data->ref_list);
- spin_unlock_irqrestore(&ctx->file_data->lock, flags);
+ spin_unlock(&ctx->file_data->lock);
percpu_ref_get(&ctx->file_data->refs);
return ret;
}
@@ -6700,7 +6768,6 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
__s32 __user *fds;
int fd, i, err;
__u32 done;
- unsigned long flags;
bool needs_switch = false;
if (check_add_overflow(up->offset, nr_args, &done))
@@ -6765,10 +6832,10 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx,
if (needs_switch) {
percpu_ref_kill(data->cur_refs);
- spin_lock_irqsave(&data->lock, flags);
+ spin_lock(&data->lock);
list_add(&ref_node->node, &data->ref_list);
data->cur_refs = &ref_node->refs;
- spin_unlock_irqrestore(&data->lock, flags);
+ spin_unlock(&data->lock);
percpu_ref_get(&ctx->file_data->refs);
} else
destroy_fixed_file_ref_node(ref_node);
@@ -6852,7 +6919,6 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx,
{
int ret;
- init_waitqueue_head(&ctx->sqo_wait);
mmgrab(current->mm);
ctx->sqo_mm = current->mm;
@@ -7257,7 +7323,6 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx)
ring_pages(ctx->sq_entries, ctx->cq_entries));
free_uid(ctx->user);
put_cred(ctx->creds);
- kfree(ctx->completions);
kfree(ctx->cancel_hash);
kmem_cache_free(req_cachep, ctx->fallback_req);
kfree(ctx);
@@ -7309,7 +7374,7 @@ static void io_ring_exit_work(struct work_struct *work)
if (ctx->rings)
io_cqring_overflow_flush(ctx, true);
- wait_for_completion(&ctx->completions[0]);
+ wait_for_completion(&ctx->ref_comp);
io_ring_ctx_free(ctx);
}
@@ -7319,16 +7384,6 @@ static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
percpu_ref_kill(&ctx->refs);
mutex_unlock(&ctx->uring_lock);
- /*
- * Wait for sq thread to idle, if we have one. It won't spin on new
- * work after we've killed the ctx ref above. This is important to do
- * before we cancel existing commands, as the thread could otherwise
- * be queueing new work post that. If that's work we need to cancel,
- * it could cause shutdown to hang.
- */
- while (ctx->sqo_thread && !wq_has_sleeper(&ctx->sqo_wait))
- cpu_relax();
-
io_kill_timeouts(ctx);
io_poll_remove_all(ctx);
@@ -7356,11 +7411,9 @@ static int io_uring_release(struct inode *inode, struct file *file)
static void io_uring_cancel_files(struct io_ring_ctx *ctx,
struct files_struct *files)
{
- struct io_kiocb *req;
- DEFINE_WAIT(wait);
-
while (!list_empty_careful(&ctx->inflight_list)) {
- struct io_kiocb *cancel_req = NULL;
+ struct io_kiocb *cancel_req = NULL, *req;
+ DEFINE_WAIT(wait);
spin_lock_irq(&ctx->inflight_lock);
list_for_each_entry(req, &ctx->inflight_list, inflight_entry) {
@@ -7399,16 +7452,18 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx,
* all we had, then we're done with this request.
*/
if (refcount_sub_and_test(2, &cancel_req->refs)) {
- io_put_req(cancel_req);
+ io_free_req(cancel_req);
+ finish_wait(&ctx->inflight_wait, &wait);
continue;
}
+ } else {
+ io_wq_cancel_work(ctx->io_wq, &cancel_req->work);
+ io_put_req(cancel_req);
}
- io_wq_cancel_work(ctx->io_wq, &cancel_req->work);
- io_put_req(cancel_req);
schedule();
+ finish_wait(&ctx->inflight_wait, &wait);
}
- finish_wait(&ctx->inflight_wait, &wait);
}
static int io_uring_flush(struct file *file, void *data)
@@ -7538,7 +7593,7 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
submitted = to_submit;
} else if (to_submit) {
mutex_lock(&ctx->uring_lock);
- submitted = io_submit_sqes(ctx, to_submit, f.file, fd, false);
+ submitted = io_submit_sqes(ctx, to_submit, f.file, fd);
mutex_unlock(&ctx->uring_lock);
if (submitted != to_submit)
@@ -7757,7 +7812,8 @@ err:
return ret;
}
-static int io_uring_create(unsigned entries, struct io_uring_params *p)
+static int io_uring_create(unsigned entries, struct io_uring_params *p,
+ struct io_uring_params __user *params)
{
struct user_struct *user = NULL;
struct io_ring_ctx *ctx;
@@ -7848,7 +7904,16 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p)
p->cq_off.ring_entries = offsetof(struct io_rings, cq_ring_entries);
p->cq_off.overflow = offsetof(struct io_rings, cq_overflow);
p->cq_off.cqes = offsetof(struct io_rings, cqes);
+ p->cq_off.flags = offsetof(struct io_rings, cq_flags);
+
+ p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP |
+ IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS |
+ IORING_FEAT_CUR_PERSONALITY | IORING_FEAT_FAST_POLL;
+ if (copy_to_user(params, p, sizeof(*p))) {
+ ret = -EFAULT;
+ goto err;
+ }
/*
* Install ring fd as the very last thing, so we don't risk someone
* having closed it before we finish setup
@@ -7857,9 +7922,6 @@ static int io_uring_create(unsigned entries, struct io_uring_params *p)
if (ret < 0)
goto err;
- p->features = IORING_FEAT_SINGLE_MMAP | IORING_FEAT_NODROP |
- IORING_FEAT_SUBMIT_STABLE | IORING_FEAT_RW_CUR_POS |
- IORING_FEAT_CUR_PERSONALITY | IORING_FEAT_FAST_POLL;
trace_io_uring_create(ret, ctx, p->sq_entries, p->cq_entries, p->flags);
return ret;
err:
@@ -7875,7 +7937,6 @@ err:
static long io_uring_setup(u32 entries, struct io_uring_params __user *params)
{
struct io_uring_params p;
- long ret;
int i;
if (copy_from_user(&p, params, sizeof(p)))
@@ -7890,14 +7951,7 @@ static long io_uring_setup(u32 entries, struct io_uring_params __user *params)
IORING_SETUP_CLAMP | IORING_SETUP_ATTACH_WQ))
return -EINVAL;
- ret = io_uring_create(entries, &p);
- if (ret < 0)
- return ret;
-
- if (copy_to_user(params, &p, sizeof(p)))
- return -EFAULT;
-
- return ret;
+ return io_uring_create(entries, &p, params);
}
SYSCALL_DEFINE2(io_uring_setup, u32, entries,
@@ -8011,7 +8065,7 @@ static int __io_uring_register(struct io_ring_ctx *ctx, unsigned opcode,
* after we've killed the percpu ref.
*/
mutex_unlock(&ctx->uring_lock);
- ret = wait_for_completion_interruptible(&ctx->completions[0]);
+ ret = wait_for_completion_interruptible(&ctx->ref_comp);
mutex_lock(&ctx->uring_lock);
if (ret) {
percpu_ref_resurrect(&ctx->refs);
@@ -8088,7 +8142,7 @@ static int __io_uring_register(struct io_ring_ctx *ctx, unsigned opcode,
/* bring the ctx back to life */
percpu_ref_reinit(&ctx->refs);
out:
- reinit_completion(&ctx->completions[0]);
+ reinit_completion(&ctx->ref_comp);
}
return ret;
}
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 282d45be6f45..5e80b40bc1b5 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -55,6 +55,7 @@ EXPORT_SYMBOL(vfs_ioctl);
static int ioctl_fibmap(struct file *filp, int __user *p)
{
struct inode *inode = file_inode(filp);
+ struct super_block *sb = inode->i_sb;
int error, ur_block;
sector_t block;
@@ -71,6 +72,13 @@ static int ioctl_fibmap(struct file *filp, int __user *p)
block = ur_block;
error = bmap(inode, &block);
+ if (block > INT_MAX) {
+ error = -ERANGE;
+ pr_warn_ratelimited("[%s/%d] FS: %s File: %pD4 would truncate fibmap result\n",
+ current->comm, task_pid_nr(current),
+ sb->s_id, filp);
+ }
+
if (error)
ur_block = 0;
else
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 89e21961d1ad..a1ed7620fbac 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -59,24 +59,19 @@ iomap_page_create(struct inode *inode, struct page *page)
* migrate_page_move_mapping() assumes that pages with private data have
* their count elevated by 1.
*/
- get_page(page);
- set_page_private(page, (unsigned long)iop);
- SetPagePrivate(page);
+ attach_page_private(page, iop);
return iop;
}
static void
iomap_page_release(struct page *page)
{
- struct iomap_page *iop = to_iomap_page(page);
+ struct iomap_page *iop = detach_page_private(page);
if (!iop)
return;
WARN_ON_ONCE(atomic_read(&iop->read_count));
WARN_ON_ONCE(atomic_read(&iop->write_count));
- ClearPagePrivate(page);
- set_page_private(page, 0);
- put_page(page);
kfree(iop);
}
@@ -214,9 +209,8 @@ iomap_read_end_io(struct bio *bio)
struct iomap_readpage_ctx {
struct page *cur_page;
bool cur_page_in_bio;
- bool is_readahead;
struct bio *bio;
- struct list_head *pages;
+ struct readahead_control *rac;
};
static void
@@ -308,7 +302,7 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
if (ctx->bio)
submit_bio(ctx->bio);
- if (ctx->is_readahead) /* same as readahead_gfp_mask */
+ if (ctx->rac) /* same as readahead_gfp_mask */
gfp |= __GFP_NORETRY | __GFP_NOWARN;
ctx->bio = bio_alloc(gfp, min(BIO_MAX_PAGES, nr_vecs));
/*
@@ -319,7 +313,7 @@ iomap_readpage_actor(struct inode *inode, loff_t pos, loff_t length, void *data,
if (!ctx->bio)
ctx->bio = bio_alloc(orig_gfp, 1);
ctx->bio->bi_opf = REQ_OP_READ;
- if (ctx->is_readahead)
+ if (ctx->rac)
ctx->bio->bi_opf |= REQ_RAHEAD;
ctx->bio->bi_iter.bi_sector = sector;
bio_set_dev(ctx->bio, iomap->bdev);
@@ -367,7 +361,7 @@ iomap_readpage(struct page *page, const struct iomap_ops *ops)
}
/*
- * Just like mpage_readpages and block_read_full_page we always
+ * Just like mpage_readahead and block_read_full_page we always
* return 0 and just mark the page as PageError on errors. This
* should be cleaned up all through the stack eventually.
*/
@@ -375,36 +369,8 @@ iomap_readpage(struct page *page, const struct iomap_ops *ops)
}
EXPORT_SYMBOL_GPL(iomap_readpage);
-static struct page *
-iomap_next_page(struct inode *inode, struct list_head *pages, loff_t pos,
- loff_t length, loff_t *done)
-{
- while (!list_empty(pages)) {
- struct page *page = lru_to_page(pages);
-
- if (page_offset(page) >= (u64)pos + length)
- break;
-
- list_del(&page->lru);
- if (!add_to_page_cache_lru(page, inode->i_mapping, page->index,
- GFP_NOFS))
- return page;
-
- /*
- * If we already have a page in the page cache at index we are
- * done. Upper layers don't care if it is uptodate after the
- * readpages call itself as every page gets checked again once
- * actually needed.
- */
- *done += PAGE_SIZE;
- put_page(page);
- }
-
- return NULL;
-}
-
static loff_t
-iomap_readpages_actor(struct inode *inode, loff_t pos, loff_t length,
+iomap_readahead_actor(struct inode *inode, loff_t pos, loff_t length,
void *data, struct iomap *iomap, struct iomap *srcmap)
{
struct iomap_readpage_ctx *ctx = data;
@@ -418,10 +384,7 @@ iomap_readpages_actor(struct inode *inode, loff_t pos, loff_t length,
ctx->cur_page = NULL;
}
if (!ctx->cur_page) {
- ctx->cur_page = iomap_next_page(inode, ctx->pages,
- pos, length, &done);
- if (!ctx->cur_page)
- break;
+ ctx->cur_page = readahead_page(ctx->rac);
ctx->cur_page_in_bio = false;
}
ret = iomap_readpage_actor(inode, pos + done, length - done,
@@ -431,32 +394,43 @@ iomap_readpages_actor(struct inode *inode, loff_t pos, loff_t length,
return done;
}
-int
-iomap_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, const struct iomap_ops *ops)
+/**
+ * iomap_readahead - Attempt to read pages from a file.
+ * @rac: Describes the pages to be read.
+ * @ops: The operations vector for the filesystem.
+ *
+ * This function is for filesystems to call to implement their readahead
+ * address_space operation.
+ *
+ * Context: The @ops callbacks may submit I/O (eg to read the addresses of
+ * blocks from disc), and may wait for it. The caller may be trying to
+ * access a different page, and so sleeping excessively should be avoided.
+ * It may allocate memory, but should avoid costly allocations. This
+ * function is called with memalloc_nofs set, so allocations will not cause
+ * the filesystem to be reentered.
+ */
+void iomap_readahead(struct readahead_control *rac, const struct iomap_ops *ops)
{
+ struct inode *inode = rac->mapping->host;
+ loff_t pos = readahead_pos(rac);
+ loff_t length = readahead_length(rac);
struct iomap_readpage_ctx ctx = {
- .pages = pages,
- .is_readahead = true,
+ .rac = rac,
};
- loff_t pos = page_offset(list_entry(pages->prev, struct page, lru));
- loff_t last = page_offset(list_entry(pages->next, struct page, lru));
- loff_t length = last - pos + PAGE_SIZE, ret = 0;
- trace_iomap_readpages(mapping->host, nr_pages);
+ trace_iomap_readahead(inode, readahead_count(rac));
while (length > 0) {
- ret = iomap_apply(mapping->host, pos, length, 0, ops,
- &ctx, iomap_readpages_actor);
+ loff_t ret = iomap_apply(inode, pos, length, 0, ops,
+ &ctx, iomap_readahead_actor);
if (ret <= 0) {
WARN_ON_ONCE(ret == 0);
- goto done;
+ break;
}
pos += ret;
length -= ret;
}
- ret = 0;
-done:
+
if (ctx.bio)
submit_bio(ctx.bio);
if (ctx.cur_page) {
@@ -464,15 +438,8 @@ done:
unlock_page(ctx.cur_page);
put_page(ctx.cur_page);
}
-
- /*
- * Check that we didn't lose a page due to the arcance calling
- * conventions..
- */
- WARN_ON_ONCE(!ret && !list_empty(ctx.pages));
- return ret;
}
-EXPORT_SYMBOL_GPL(iomap_readpages);
+EXPORT_SYMBOL_GPL(iomap_readahead);
/*
* iomap_is_partially_uptodate checks whether blocks within a page are
@@ -554,14 +521,8 @@ iomap_migrate_page(struct address_space *mapping, struct page *newpage,
if (ret != MIGRATEPAGE_SUCCESS)
return ret;
- if (page_has_private(page)) {
- ClearPagePrivate(page);
- get_page(newpage);
- set_page_private(newpage, page_private(page));
- set_page_private(page, 0);
- put_page(page);
- SetPagePrivate(newpage);
- }
+ if (page_has_private(page))
+ attach_page_private(newpage, detach_page_private(page));
if (mode != MIGRATE_SYNC_NO_COPY)
migrate_page_copy(newpage, page);
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 20dde5aadcdd..ec7b78e6feca 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -59,7 +59,7 @@ int iomap_dio_iopoll(struct kiocb *kiocb, bool spin)
EXPORT_SYMBOL_GPL(iomap_dio_iopoll);
static void iomap_dio_submit_bio(struct iomap_dio *dio, struct iomap *iomap,
- struct bio *bio)
+ struct bio *bio, loff_t pos)
{
atomic_inc(&dio->ref);
@@ -67,7 +67,12 @@ static void iomap_dio_submit_bio(struct iomap_dio *dio, struct iomap *iomap,
bio_set_polled(bio, dio->iocb);
dio->submit.last_queue = bdev_get_queue(iomap->bdev);
- dio->submit.cookie = submit_bio(bio);
+ if (dio->dops && dio->dops->submit_io)
+ dio->submit.cookie = dio->dops->submit_io(
+ file_inode(dio->iocb->ki_filp),
+ iomap, bio, pos);
+ else
+ dio->submit.cookie = submit_bio(bio);
}
static ssize_t iomap_dio_complete(struct iomap_dio *dio)
@@ -191,7 +196,7 @@ iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,
get_page(page);
__bio_add_page(bio, page, len, 0);
bio_set_op_attrs(bio, REQ_OP_WRITE, flags);
- iomap_dio_submit_bio(dio, iomap, bio);
+ iomap_dio_submit_bio(dio, iomap, bio, pos);
}
static loff_t
@@ -299,11 +304,11 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length,
}
dio->size += n;
- pos += n;
copied += n;
nr_pages = iov_iter_npages(dio->submit.iter, BIO_MAX_PAGES);
- iomap_dio_submit_bio(dio, iomap, bio);
+ iomap_dio_submit_bio(dio, iomap, bio, pos);
+ pos += n;
} while (nr_pages);
/*
@@ -411,8 +416,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
struct blk_plug plug;
struct iomap_dio *dio;
- lockdep_assert_held(&inode->i_rwsem);
-
if (!count)
return 0;
@@ -561,7 +564,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
!dio->submit.last_queue ||
!blk_poll(dio->submit.last_queue,
dio->submit.cookie, true))
- io_schedule();
+ blk_io_schedule();
}
__set_current_state(TASK_RUNNING);
}
diff --git a/fs/iomap/fiemap.c b/fs/iomap/fiemap.c
index bccf305ea9ce..d55e8f491a5e 100644
--- a/fs/iomap/fiemap.c
+++ b/fs/iomap/fiemap.c
@@ -117,10 +117,7 @@ iomap_bmap_actor(struct inode *inode, loff_t pos, loff_t length,
if (iomap->type == IOMAP_MAPPED) {
addr = (pos - iomap->offset + iomap->addr) >> inode->i_blkbits;
- if (addr > INT_MAX)
- WARN(1, "would truncate bmap result\n");
- else
- *bno = addr;
+ *bno = addr;
}
return 0;
}
diff --git a/fs/iomap/trace.h b/fs/iomap/trace.h
index 4df19c66f597..5693a39d52fb 100644
--- a/fs/iomap/trace.h
+++ b/fs/iomap/trace.h
@@ -39,7 +39,7 @@ DEFINE_EVENT(iomap_readpage_class, name, \
TP_PROTO(struct inode *inode, int nr_pages), \
TP_ARGS(inode, nr_pages))
DEFINE_READPAGE_EVENT(iomap_readpage);
-DEFINE_READPAGE_EVENT(iomap_readpages);
+DEFINE_READPAGE_EVENT(iomap_readahead);
DECLARE_EVENT_CLASS(iomap_range_class,
TP_PROTO(struct inode *inode, unsigned long off, unsigned int len),
diff --git a/fs/isofs/Kconfig b/fs/isofs/Kconfig
index 5e7419599f50..08ffd37b9bb8 100644
--- a/fs/isofs/Kconfig
+++ b/fs/isofs/Kconfig
@@ -8,7 +8,7 @@ config ISO9660_FS
long Unix filenames and symbolic links are also supported by this
driver. If you have a CD-ROM drive and want to do more with it than
just listen to audio CDs and watch its LEDs, say Y (and read
- <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
+ <file:Documentation/filesystems/isofs.rst> and the CD-ROM-HOWTO,
available from <http://www.tldp.org/docs.html#howto>), thereby
enlarging your kernel by about 27 KB; otherwise say N.
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 62c0462dc89f..d634561f871a 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -544,43 +544,41 @@ static int isofs_show_options(struct seq_file *m, struct dentry *root)
static unsigned int isofs_get_last_session(struct super_block *sb, s32 session)
{
- struct cdrom_multisession ms_info;
- unsigned int vol_desc_start;
- struct block_device *bdev = sb->s_bdev;
- int i;
+ struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
+ unsigned int vol_desc_start = 0;
- vol_desc_start=0;
- ms_info.addr_format=CDROM_LBA;
if (session > 0) {
- struct cdrom_tocentry Te;
- Te.cdte_track=session;
- Te.cdte_format=CDROM_LBA;
- i = ioctl_by_bdev(bdev, CDROMREADTOCENTRY, (unsigned long) &Te);
- if (!i) {
+ struct cdrom_tocentry te;
+
+ if (!cdi)
+ return 0;
+
+ te.cdte_track = session;
+ te.cdte_format = CDROM_LBA;
+ if (cdrom_read_tocentry(cdi, &te) == 0) {
printk(KERN_DEBUG "ISOFS: Session %d start %d type %d\n",
- session, Te.cdte_addr.lba,
- Te.cdte_ctrl&CDROM_DATA_TRACK);
- if ((Te.cdte_ctrl&CDROM_DATA_TRACK) == 4)
- return Te.cdte_addr.lba;
+ session, te.cdte_addr.lba,
+ te.cdte_ctrl & CDROM_DATA_TRACK);
+ if ((te.cdte_ctrl & CDROM_DATA_TRACK) == 4)
+ return te.cdte_addr.lba;
}
printk(KERN_ERR "ISOFS: Invalid session number or type of track\n");
}
- i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info);
- if (session > 0)
- printk(KERN_ERR "ISOFS: Invalid session number\n");
-#if 0
- printk(KERN_DEBUG "isofs.inode: CDROMMULTISESSION: rc=%d\n",i);
- if (i==0) {
- printk(KERN_DEBUG "isofs.inode: XA disk: %s\n",ms_info.xa_flag?"yes":"no");
- printk(KERN_DEBUG "isofs.inode: vol_desc_start = %d\n", ms_info.addr.lba);
- }
-#endif
- if (i==0)
+
+ if (cdi) {
+ struct cdrom_multisession ms_info;
+
+ ms_info.addr_format = CDROM_LBA;
+ if (cdrom_multisession(cdi, &ms_info) == 0) {
#if WE_OBEY_THE_WRITTEN_STANDARDS
- if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
+ /* necessary for a valid ms_info.addr */
+ if (ms_info.xa_flag)
#endif
- vol_desc_start=ms_info.addr.lba;
+ vol_desc_start = ms_info.addr.lba;
+ }
+ }
+
return vol_desc_start;
}
@@ -1185,10 +1183,9 @@ static int isofs_readpage(struct file *file, struct page *page)
return mpage_readpage(page, isofs_get_block);
}
-static int isofs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void isofs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, isofs_get_block);
+ mpage_readahead(rac, isofs_get_block);
}
static sector_t _isofs_bmap(struct address_space *mapping, sector_t block)
@@ -1198,7 +1195,7 @@ static sector_t _isofs_bmap(struct address_space *mapping, sector_t block)
static const struct address_space_operations isofs_aops = {
.readpage = isofs_readpage,
- .readpages = isofs_readpages,
+ .readahead = isofs_readahead,
.bmap = _isofs_bmap
};
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 96bf33986d03..263f02ad8ebf 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -414,7 +414,7 @@ int jbd2_cleanup_journal_tail(journal_t *journal)
* jbd2_cleanup_journal_tail() doesn't get called all that often.
*/
if (journal->j_flags & JBD2_BARRIER)
- blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS);
return __jbd2_update_log_tail(journal, first_tid, blocknr);
}
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index e855d8260433..6d2da8ad0e6f 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -775,7 +775,7 @@ start_journal_io:
if (commit_transaction->t_need_data_flush &&
(journal->j_fs_dev != journal->j_dev) &&
(journal->j_flags & JBD2_BARRIER))
- blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_fs_dev, GFP_NOFS);
/* Done it all: now write the commit record asynchronously. */
if (jbd2_has_feature_async_commit(journal)) {
@@ -882,7 +882,7 @@ start_journal_io:
stats.run.rs_blocks_logged++;
if (jbd2_has_feature_async_commit(journal) &&
journal->j_flags & JBD2_BARRIER) {
- blkdev_issue_flush(journal->j_dev, GFP_NOFS, NULL);
+ blkdev_issue_flush(journal->j_dev, GFP_NOFS);
}
if (err)
diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c
index a4967b27ffb6..2ed278f0dced 100644
--- a/fs/jbd2/recovery.c
+++ b/fs/jbd2/recovery.c
@@ -286,7 +286,7 @@ int jbd2_journal_recover(journal_t *journal)
err = err2;
/* Make sure all replayed data is on permanent storage */
if (journal->j_flags & JBD2_BARRIER) {
- err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
+ err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL);
if (!err)
err = err2;
}
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index 9486afcdac76..6f65bfa9f18d 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -296,10 +296,9 @@ static int jfs_readpage(struct file *file, struct page *page)
return mpage_readpage(page, jfs_get_block);
}
-static int jfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void jfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, jfs_get_block);
+ mpage_readahead(rac, jfs_get_block);
}
static void jfs_write_failed(struct address_space *mapping, loff_t to)
@@ -358,7 +357,7 @@ static ssize_t jfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
const struct address_space_operations jfs_aops = {
.readpage = jfs_readpage,
- .readpages = jfs_readpages,
+ .readahead = jfs_readahead,
.writepage = jfs_writepage,
.writepages = jfs_writepages,
.write_begin = jfs_write_begin,
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 3acc954f7c04..837d42f61464 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -2964,7 +2964,7 @@ struct jfs_dirent {
loff_t position;
int ino;
u16 name_len;
- char name[0];
+ char name[];
};
/*
diff --git a/fs/jfs/jfs_xattr.h b/fs/jfs/jfs_xattr.h
index f0558b3348da..c50167a7bc50 100644
--- a/fs/jfs/jfs_xattr.h
+++ b/fs/jfs/jfs_xattr.h
@@ -17,12 +17,12 @@ struct jfs_ea {
u8 flag; /* Unused? */
u8 namelen; /* Length of name */
__le16 valuelen; /* Length of value */
- char name[0]; /* Attribute name (includes null-terminator) */
+ char name[]; /* Attribute name (includes null-terminator) */
}; /* Value immediately follows name */
struct jfs_ea_list {
__le32 size; /* overall size */
- struct jfs_ea ea[0]; /* Variable length list */
+ struct jfs_ea ea[]; /* Variable length list */
};
/* Macros for defining maxiumum number of bytes supported for EAs */
diff --git a/fs/libfs.c b/fs/libfs.c
index 3759fbacf522..4d08edf19c78 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1113,7 +1113,7 @@ int generic_file_fsync(struct file *file, loff_t start, loff_t end,
err = __generic_file_fsync(file, start, end, datasync);
if (err)
return err;
- return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ return blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
}
EXPORT_SYMBOL(generic_file_fsync);
diff --git a/fs/locks.c b/fs/locks.c
index b8a31c1c4fff..1d4f4d5da704 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -61,7 +61,7 @@
*
* Initial implementation of mandatory locks. SunOS turned out to be
* a rotten model, so I implemented the "obvious" semantics.
- * See 'Documentation/filesystems/mandatory-locking.txt' for details.
+ * See 'Documentation/filesystems/mandatory-locking.rst' for details.
* Andy Walker (andy@lysaker.kvaerner.no), April 06, 1996.
*
* Don't allow mandatory locks on mmap()'ed files. Added simple functions to
diff --git a/fs/mount.h b/fs/mount.h
index 711a4093e475..c7abb7b394d8 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -9,7 +9,13 @@ struct mnt_namespace {
atomic_t count;
struct ns_common ns;
struct mount * root;
+ /*
+ * Traversal and modification of .list is protected by either
+ * - taking namespace_sem for write, OR
+ * - taking namespace_sem for read AND taking .ns_lock.
+ */
struct list_head list;
+ spinlock_t ns_lock;
struct user_namespace *user_ns;
struct ucounts *ucounts;
u64 seq; /* Sequence number to prevent loops */
@@ -133,9 +139,7 @@ struct proc_mounts {
struct mnt_namespace *ns;
struct path root;
int (*show)(struct seq_file *, struct vfsmount *);
- void *cached_mount;
- u64 cached_event;
- loff_t cached_index;
+ struct mount cursor;
};
extern const struct seq_operations mounts_op;
@@ -153,3 +157,5 @@ static inline bool is_anon_ns(struct mnt_namespace *ns)
{
return ns->seq == 0;
}
+
+extern void mnt_cursor_del(struct mnt_namespace *ns, struct mount *cursor);
diff --git a/fs/mpage.c b/fs/mpage.c
index ccba3c4c4479..830e6cc2a9e7 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -91,7 +91,7 @@ mpage_alloc(struct block_device *bdev,
}
/*
- * support function for mpage_readpages. The fs supplied get_block might
+ * support function for mpage_readahead. The fs supplied get_block might
* return an up to date buffer. This is used to map that buffer into
* the page, which allows readpage to avoid triggering a duplicate call
* to get_block.
@@ -338,13 +338,8 @@ confused:
}
/**
- * mpage_readpages - populate an address space with some pages & start reads against them
- * @mapping: the address_space
- * @pages: The address of a list_head which contains the target pages. These
- * pages have their ->index populated and are otherwise uninitialised.
- * The page at @pages->prev has the lowest file offset, and reads should be
- * issued in @pages->prev to @pages->next order.
- * @nr_pages: The number of pages at *@pages
+ * mpage_readahead - start reads against pages
+ * @rac: Describes which pages to read.
* @get_block: The filesystem's block mapper function.
*
* This function walks the pages and the blocks within each page, building and
@@ -381,36 +376,25 @@ confused:
*
* This all causes the disk requests to be issued in the correct order.
*/
-int
-mpage_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, get_block_t get_block)
+void mpage_readahead(struct readahead_control *rac, get_block_t get_block)
{
+ struct page *page;
struct mpage_readpage_args args = {
.get_block = get_block,
.is_readahead = true,
};
- unsigned page_idx;
-
- for (page_idx = 0; page_idx < nr_pages; page_idx++) {
- struct page *page = lru_to_page(pages);
+ while ((page = readahead_page(rac))) {
prefetchw(&page->flags);
- list_del(&page->lru);
- if (!add_to_page_cache_lru(page, mapping,
- page->index,
- readahead_gfp_mask(mapping))) {
- args.page = page;
- args.nr_pages = nr_pages - page_idx;
- args.bio = do_mpage_readpage(&args);
- }
+ args.page = page;
+ args.nr_pages = readahead_count(rac);
+ args.bio = do_mpage_readpage(&args);
put_page(page);
}
- BUG_ON(!list_empty(pages));
if (args.bio)
mpage_bio_submit(REQ_OP_READ, REQ_RAHEAD, args.bio);
- return 0;
}
-EXPORT_SYMBOL(mpage_readpages);
+EXPORT_SYMBOL(mpage_readahead);
/*
* This isn't called much at all
@@ -563,7 +547,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
* Page has buffers, but they are all unmapped. The page was
* created by pagein or read over a hole which was handled by
* block_read_full_page(). If this address_space is also
- * using mpage_readpages then this can rarely happen.
+ * using mpage_readahead then this can rarely happen.
*/
goto confused;
}
diff --git a/fs/namei.c b/fs/namei.c
index a320371899cf..d81f73ff1a8b 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3505,12 +3505,14 @@ EXPORT_SYMBOL(user_path_create);
int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
{
+ bool is_whiteout = S_ISCHR(mode) && dev == WHITEOUT_DEV;
int error = may_create(dir, dentry);
if (error)
return error;
- if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
+ if ((S_ISCHR(mode) || S_ISBLK(mode)) && !is_whiteout &&
+ !capable(CAP_MKNOD))
return -EPERM;
if (!dir->i_op->mknod)
@@ -4345,9 +4347,6 @@ static int do_renameat2(int olddfd, const char __user *oldname, int newdfd,
(flags & RENAME_EXCHANGE))
return -EINVAL;
- if ((flags & RENAME_WHITEOUT) && !capable(CAP_MKNOD))
- return -EPERM;
-
if (flags & RENAME_EXCHANGE)
target_flags = 0;
@@ -4483,20 +4482,6 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna
return do_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
-int vfs_whiteout(struct inode *dir, struct dentry *dentry)
-{
- int error = may_create(dir, dentry);
- if (error)
- return error;
-
- if (!dir->i_op->mknod)
- return -EPERM;
-
- return dir->i_op->mknod(dir, dentry,
- S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV);
-}
-EXPORT_SYMBOL(vfs_whiteout);
-
int readlink_copy(char __user *buffer, int buflen, const char *link)
{
int len = PTR_ERR(link);
diff --git a/fs/namespace.c b/fs/namespace.c
index a28e4db075ed..6d499ab254b7 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -648,6 +648,21 @@ struct vfsmount *lookup_mnt(const struct path *path)
return m;
}
+static inline void lock_ns_list(struct mnt_namespace *ns)
+{
+ spin_lock(&ns->ns_lock);
+}
+
+static inline void unlock_ns_list(struct mnt_namespace *ns)
+{
+ spin_unlock(&ns->ns_lock);
+}
+
+static inline bool mnt_is_cursor(struct mount *mnt)
+{
+ return mnt->mnt.mnt_flags & MNT_CURSOR;
+}
+
/*
* __is_local_mountpoint - Test to see if dentry is a mountpoint in the
* current mount namespace.
@@ -673,11 +688,15 @@ bool __is_local_mountpoint(struct dentry *dentry)
goto out;
down_read(&namespace_sem);
+ lock_ns_list(ns);
list_for_each_entry(mnt, &ns->list, mnt_list) {
+ if (mnt_is_cursor(mnt))
+ continue;
is_covered = (mnt->mnt_mountpoint == dentry);
if (is_covered)
break;
}
+ unlock_ns_list(ns);
up_read(&namespace_sem);
out:
return is_covered;
@@ -1245,46 +1264,71 @@ struct vfsmount *mnt_clone_internal(const struct path *path)
}
#ifdef CONFIG_PROC_FS
+static struct mount *mnt_list_next(struct mnt_namespace *ns,
+ struct list_head *p)
+{
+ struct mount *mnt, *ret = NULL;
+
+ lock_ns_list(ns);
+ list_for_each_continue(p, &ns->list) {
+ mnt = list_entry(p, typeof(*mnt), mnt_list);
+ if (!mnt_is_cursor(mnt)) {
+ ret = mnt;
+ break;
+ }
+ }
+ unlock_ns_list(ns);
+
+ return ret;
+}
+
/* iterator; we want it to have access to namespace_sem, thus here... */
static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_mounts *p = m->private;
+ struct list_head *prev;
down_read(&namespace_sem);
- if (p->cached_event == p->ns->event) {
- void *v = p->cached_mount;
- if (*pos == p->cached_index)
- return v;
- if (*pos == p->cached_index + 1) {
- v = seq_list_next(v, &p->ns->list, &p->cached_index);
- return p->cached_mount = v;
- }
+ if (!*pos) {
+ prev = &p->ns->list;
+ } else {
+ prev = &p->cursor.mnt_list;
+
+ /* Read after we'd reached the end? */
+ if (list_empty(prev))
+ return NULL;
}
- p->cached_event = p->ns->event;
- p->cached_mount = seq_list_start(&p->ns->list, *pos);
- p->cached_index = *pos;
- return p->cached_mount;
+ return mnt_list_next(p->ns, prev);
}
static void *m_next(struct seq_file *m, void *v, loff_t *pos)
{
struct proc_mounts *p = m->private;
+ struct mount *mnt = v;
- p->cached_mount = seq_list_next(v, &p->ns->list, pos);
- p->cached_index = *pos;
- return p->cached_mount;
+ ++*pos;
+ return mnt_list_next(p->ns, &mnt->mnt_list);
}
static void m_stop(struct seq_file *m, void *v)
{
+ struct proc_mounts *p = m->private;
+ struct mount *mnt = v;
+
+ lock_ns_list(p->ns);
+ if (mnt)
+ list_move_tail(&p->cursor.mnt_list, &mnt->mnt_list);
+ else
+ list_del_init(&p->cursor.mnt_list);
+ unlock_ns_list(p->ns);
up_read(&namespace_sem);
}
static int m_show(struct seq_file *m, void *v)
{
struct proc_mounts *p = m->private;
- struct mount *r = list_entry(v, struct mount, mnt_list);
+ struct mount *r = v;
return p->show(m, &r->mnt);
}
@@ -1294,6 +1338,15 @@ const struct seq_operations mounts_op = {
.stop = m_stop,
.show = m_show,
};
+
+void mnt_cursor_del(struct mnt_namespace *ns, struct mount *cursor)
+{
+ down_read(&namespace_sem);
+ lock_ns_list(ns);
+ list_del(&cursor->mnt_list);
+ unlock_ns_list(ns);
+ up_read(&namespace_sem);
+}
#endif /* CONFIG_PROC_FS */
/**
@@ -1733,6 +1786,11 @@ static struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
return container_of(ns, struct mnt_namespace, ns);
}
+struct ns_common *from_mnt_ns(struct mnt_namespace *mnt)
+{
+ return &mnt->ns;
+}
+
static bool mnt_ns_loop(struct dentry *dentry)
{
/* Could bind mounting the mount namespace inode cause a
@@ -3202,6 +3260,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns, bool a
atomic_set(&new_ns->count, 1);
INIT_LIST_HEAD(&new_ns->list);
init_waitqueue_head(&new_ns->poll);
+ spin_lock_init(&new_ns->ns_lock);
new_ns->user_ns = get_user_ns(user_ns);
new_ns->ucounts = ucounts;
return new_ns;
@@ -3595,7 +3654,7 @@ EXPORT_SYMBOL(path_is_under);
* file system may be mounted on put_old. After all, new_root is a mountpoint.
*
* Also, the current root cannot be on the 'rootfs' (initial ramfs) filesystem.
- * See Documentation/filesystems/ramfs-rootfs-initramfs.txt for alternatives
+ * See Documentation/filesystems/ramfs-rootfs-initramfs.rst for alternatives
* in this situation.
*
* Notes:
@@ -3842,10 +3901,14 @@ static bool mnt_already_visible(struct mnt_namespace *ns,
bool visible = false;
down_read(&namespace_sem);
+ lock_ns_list(ns);
list_for_each_entry(mnt, &ns->list, mnt_list) {
struct mount *child;
int mnt_flags;
+ if (mnt_is_cursor(mnt))
+ continue;
+
if (mnt->mnt.mnt_sb->s_type != sb->s_type)
continue;
@@ -3893,6 +3956,7 @@ static bool mnt_already_visible(struct mnt_namespace *ns,
next: ;
}
found:
+ unlock_ns_list(ns);
up_read(&namespace_sem);
return visible;
}
@@ -3954,16 +4018,18 @@ static void mntns_put(struct ns_common *ns)
put_mnt_ns(to_mnt_ns(ns));
}
-static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns)
+static int mntns_install(struct nsset *nsset, struct ns_common *ns)
{
- struct fs_struct *fs = current->fs;
+ struct nsproxy *nsproxy = nsset->nsproxy;
+ struct fs_struct *fs = nsset->fs;
struct mnt_namespace *mnt_ns = to_mnt_ns(ns), *old_mnt_ns;
+ struct user_namespace *user_ns = nsset->cred->user_ns;
struct path root;
int err;
if (!ns_capable(mnt_ns->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_CHROOT) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(user_ns, CAP_SYS_CHROOT) ||
+ !ns_capable(user_ns, CAP_SYS_ADMIN))
return -EPERM;
if (is_anon_ns(mnt_ns))
diff --git a/fs/nfs/blocklayout/extent_tree.c b/fs/nfs/blocklayout/extent_tree.c
index 7a57ff2528af..8f7cff7a4293 100644
--- a/fs/nfs/blocklayout/extent_tree.c
+++ b/fs/nfs/blocklayout/extent_tree.c
@@ -582,7 +582,7 @@ retry:
if (!arg->layoutupdate_pages)
return -ENOMEM;
- start_p = __vmalloc(buffer_size, GFP_NOFS, PAGE_KERNEL);
+ start_p = __vmalloc(buffer_size, GFP_NOFS);
if (!start_p) {
kfree(arg->layoutupdate_pages);
return -ENOMEM;
diff --git a/fs/nfs/fscache.c b/fs/nfs/fscache.c
index 1abf126c2df4..a60df88efc40 100644
--- a/fs/nfs/fscache.c
+++ b/fs/nfs/fscache.c
@@ -118,8 +118,6 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int
nfss->fscache_key = NULL;
nfss->fscache = NULL;
- if (!(nfss->options & NFS_OPTION_FSCACHE))
- return;
if (!uniq) {
uniq = "";
ulen = 1;
@@ -188,7 +186,8 @@ void nfs_fscache_get_super_cookie(struct super_block *sb, const char *uniq, int
/* create a cache index for looking up filehandles */
nfss->fscache = fscache_acquire_cookie(nfss->nfs_client->fscache,
&nfs_fscache_super_index_def,
- key, sizeof(*key) + ulen,
+ &key->key,
+ sizeof(key->key) + ulen,
NULL, 0,
nfss, 0, true);
dfprintk(FSCACHE, "NFS: get superblock cookie (0x%p/0x%p)\n",
@@ -226,6 +225,19 @@ void nfs_fscache_release_super_cookie(struct super_block *sb)
}
}
+static void nfs_fscache_update_auxdata(struct nfs_fscache_inode_auxdata *auxdata,
+ struct nfs_inode *nfsi)
+{
+ memset(auxdata, 0, sizeof(*auxdata));
+ auxdata->mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
+ auxdata->mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
+ auxdata->ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
+ auxdata->ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+
+ if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
+ auxdata->change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
+}
+
/*
* Initialise the per-inode cache cookie pointer for an NFS inode.
*/
@@ -239,14 +251,7 @@ void nfs_fscache_init_inode(struct inode *inode)
if (!(nfss->fscache && S_ISREG(inode->i_mode)))
return;
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
-
- if (NFS_SERVER(&nfsi->vfs_inode)->nfs_client->rpc_ops->version == 4)
- auxdata.change_attr = inode_peek_iversion_raw(&nfsi->vfs_inode);
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
nfsi->fscache = fscache_acquire_cookie(NFS_SB(inode->i_sb)->fscache,
&nfs_fscache_inode_object_def,
@@ -266,11 +271,7 @@ void nfs_fscache_clear_inode(struct inode *inode)
dfprintk(FSCACHE, "NFS: clear cookie (0x%p/0x%p)\n", nfsi, cookie);
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
fscache_relinquish_cookie(cookie, &auxdata, false);
nfsi->fscache = NULL;
}
@@ -310,11 +311,7 @@ void nfs_fscache_open_file(struct inode *inode, struct file *filp)
if (!fscache_cookie_valid(cookie))
return;
- memset(&auxdata, 0, sizeof(auxdata));
- auxdata.mtime_sec = nfsi->vfs_inode.i_mtime.tv_sec;
- auxdata.mtime_nsec = nfsi->vfs_inode.i_mtime.tv_nsec;
- auxdata.ctime_sec = nfsi->vfs_inode.i_ctime.tv_sec;
- auxdata.ctime_nsec = nfsi->vfs_inode.i_ctime.tv_nsec;
+ nfs_fscache_update_auxdata(&auxdata, nfsi);
if (inode_is_open_for_write(inode)) {
dfprintk(FSCACHE, "NFS: nfsi 0x%p disabling cache\n", nfsi);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 1f32a9fbfdaf..6673a77884d9 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -668,7 +668,8 @@ void nfs_super_set_maxbytes(struct super_block *sb, __u64 maxfilesize)
}
/*
- * Record the page as unstable and mark its inode as dirty.
+ * Record the page as unstable (an extra writeback period) and mark its
+ * inode as dirty.
*/
static inline
void nfs_mark_page_unstable(struct page *page, struct nfs_commit_info *cinfo)
@@ -676,8 +677,11 @@ void nfs_mark_page_unstable(struct page *page, struct nfs_commit_info *cinfo)
if (!cinfo->dreq) {
struct inode *inode = page_file_mapping(page)->host;
- inc_node_page_state(page, NR_UNSTABLE_NFS);
- inc_wb_stat(&inode_to_bdi(inode)->wb, WB_RECLAIMABLE);
+ /* This page is really still in write-back - just that the
+ * writeback is happening on the server now.
+ */
+ inc_node_page_state(page, NR_WRITEBACK);
+ inc_wb_stat(&inode_to_bdi(inode)->wb, WB_WRITEBACK);
__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
}
}
diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c
index 35c8cb2d7637..dda5c3e65d8d 100644
--- a/fs/nfs/mount_clnt.c
+++ b/fs/nfs/mount_clnt.c
@@ -30,6 +30,7 @@
#define encode_dirpath_sz (1 + XDR_QUADLEN(MNTPATHLEN))
#define MNT_status_sz (1)
#define MNT_fhandle_sz XDR_QUADLEN(NFS2_FHSIZE)
+#define MNT_fhandlev3_sz XDR_QUADLEN(NFS3_FHSIZE)
#define MNT_authflav3_sz (1 + NFS_MAX_SECFLAVORS)
/*
@@ -37,7 +38,7 @@
*/
#define MNT_enc_dirpath_sz encode_dirpath_sz
#define MNT_dec_mountres_sz (MNT_status_sz + MNT_fhandle_sz)
-#define MNT_dec_mountres3_sz (MNT_status_sz + MNT_fhandle_sz + \
+#define MNT_dec_mountres3_sz (MNT_status_sz + MNT_fhandlev3_sz + \
MNT_authflav3_sz)
/*
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index c5c3fc6e6c60..26c94b32d6f4 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -253,37 +253,45 @@ int nfs3_proc_setacls(struct inode *inode, struct posix_acl *acl,
int nfs3_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
- struct posix_acl *alloc = NULL, *dfacl = NULL;
+ struct posix_acl *orig = acl, *dfacl = NULL, *alloc;
int status;
if (S_ISDIR(inode->i_mode)) {
switch(type) {
case ACL_TYPE_ACCESS:
- alloc = dfacl = get_acl(inode, ACL_TYPE_DEFAULT);
+ alloc = get_acl(inode, ACL_TYPE_DEFAULT);
if (IS_ERR(alloc))
goto fail;
+ dfacl = alloc;
break;
case ACL_TYPE_DEFAULT:
- dfacl = acl;
- alloc = acl = get_acl(inode, ACL_TYPE_ACCESS);
+ alloc = get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(alloc))
goto fail;
+ dfacl = acl;
+ acl = alloc;
break;
}
}
if (acl == NULL) {
- alloc = acl = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
+ alloc = posix_acl_from_mode(inode->i_mode, GFP_KERNEL);
if (IS_ERR(alloc))
goto fail;
+ acl = alloc;
}
status = __nfs3_proc_setacls(inode, acl, dfacl);
- posix_acl_release(alloc);
+out:
+ if (acl != orig)
+ posix_acl_release(acl);
+ if (dfacl != orig)
+ posix_acl_release(dfacl);
return status;
fail:
- return PTR_ERR(alloc);
+ status = PTR_ERR(alloc);
+ goto out;
}
const struct xattr_handler *nfs3_xattr_handlers[] = {
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 512afb1c7867..9056f3dd380e 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6347,7 +6347,7 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred,
.rpc_client = server->client,
.rpc_message = &msg,
.callback_ops = &nfs4_delegreturn_ops,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | RPC_TASK_TIMEOUT,
+ .flags = RPC_TASK_ASYNC | RPC_TASK_TIMEOUT,
};
int status = 0;
@@ -7891,6 +7891,7 @@ static void
nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
{
struct nfs41_bind_conn_to_session_args *args = task->tk_msg.rpc_argp;
+ struct nfs41_bind_conn_to_session_res *res = task->tk_msg.rpc_resp;
struct nfs_client *clp = args->client;
switch (task->tk_status) {
@@ -7899,6 +7900,12 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
nfs4_schedule_session_recovery(clp->cl_session,
task->tk_status);
}
+ if (args->dir == NFS4_CDFC4_FORE_OR_BOTH &&
+ res->dir != NFS4_CDFS4_BOTH) {
+ rpc_task_close_connection(task);
+ if (args->retries++ < MAX_BIND_CONN_TO_SESSION_RETRIES)
+ rpc_restart_call(task);
+ }
}
static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
@@ -7921,6 +7928,7 @@ int nfs4_proc_bind_one_conn_to_session(struct rpc_clnt *clnt,
struct nfs41_bind_conn_to_session_args args = {
.client = clp,
.dir = NFS4_CDFC4_FORE_OR_BOTH,
+ .retries = 0,
};
struct nfs41_bind_conn_to_session_res res;
struct rpc_message msg = {
@@ -9191,8 +9199,7 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
task = rpc_run_task(&task_setup_data);
- if (IS_ERR(task))
- return ERR_CAST(task);
+
status = rpc_wait_for_completion_task(task);
if (status != 0)
goto out;
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index ac93715c05a4..a8dc25ce48bb 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -734,9 +734,9 @@ nfs4_get_open_state(struct inode *inode, struct nfs4_state_owner *owner)
state = new;
state->owner = owner;
atomic_inc(&owner->so_count);
- list_add_rcu(&state->inode_states, &nfsi->open_states);
ihold(inode);
state->inode = inode;
+ list_add_rcu(&state->inode_states, &nfsi->open_states);
spin_unlock(&inode->i_lock);
/* Note: The reclaim code dictates that we add stateless
* and read-only stateids to the end of the list */
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index f61f96603df7..6ca421cbe19c 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -752,7 +752,7 @@ int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_header *hdr,
.callback_ops = call_ops,
.callback_data = hdr,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | flags,
+ .flags = RPC_TASK_ASYNC | flags,
};
hdr->rw_ops->rw_initiate(hdr, &msg, rpc_ops, &task_setup_data, how);
@@ -950,7 +950,8 @@ static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc)
hdr->cred,
NFS_PROTO(hdr->inode),
desc->pg_rpc_callops,
- desc->pg_ioflags, 0);
+ desc->pg_ioflags,
+ RPC_TASK_CRED_NOREF);
return ret;
}
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index b8d78f393365..dd2e14f5875d 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1332,13 +1332,15 @@ _pnfs_return_layout(struct inode *ino)
!valid_layout) {
spin_unlock(&ino->i_lock);
dprintk("NFS: %s no layout segments to return\n", __func__);
- goto out_put_layout_hdr;
+ goto out_wait_layoutreturn;
}
send = pnfs_prepare_layoutreturn(lo, &stateid, &cred, NULL);
spin_unlock(&ino->i_lock);
if (send)
status = pnfs_send_layoutreturn(lo, &stateid, &cred, IOMODE_ANY, true);
+out_wait_layoutreturn:
+ wait_on_bit(&lo->plh_flags, NFS_LAYOUT_RETURN, TASK_UNINTERRUPTIBLE);
out_put_layout_hdr:
pnfs_free_lseg_list(&tmp_list);
pnfs_put_layout_hdr(lo);
@@ -1456,18 +1458,15 @@ retry:
/* lo ref dropped in pnfs_roc_release() */
layoutreturn = pnfs_prepare_layoutreturn(lo, &stateid, &lc_cred, &iomode);
/* If the creds don't match, we can't compound the layoutreturn */
- if (!layoutreturn)
+ if (!layoutreturn || cred_fscmp(cred, lc_cred) != 0)
goto out_noroc;
- if (cred_fscmp(cred, lc_cred) != 0)
- goto out_noroc_put_cred;
roc = layoutreturn;
pnfs_init_layoutreturn_args(args, lo, &stateid, iomode);
res->lrs_present = 0;
layoutreturn = false;
-
-out_noroc_put_cred:
put_cred(lc_cred);
+
out_noroc:
spin_unlock(&ino->i_lock);
rcu_read_unlock();
diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c
index e7ddbce48321..679767ac258d 100644
--- a/fs/nfs/pnfs_nfs.c
+++ b/fs/nfs/pnfs_nfs.c
@@ -536,7 +536,8 @@ pnfs_generic_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
nfs_init_commit(data, NULL, NULL, cinfo);
nfs_initiate_commit(NFS_CLIENT(inode), data,
NFS_PROTO(data->inode),
- data->mds_ops, how, 0);
+ data->mds_ops, how,
+ RPC_TASK_CRED_NOREF);
} else {
nfs_init_commit(data, NULL, data->lseg, cinfo);
initiate_commit(data, how);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 59ef3b13ccca..7a70287f21a2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -185,7 +185,7 @@ static int __nfs_list_for_each_server(struct list_head *head,
rcu_read_lock();
list_for_each_entry_rcu(server, head, client_link) {
- if (!nfs_sb_active(server->super))
+ if (!(server->super && nfs_sb_active(server->super)))
continue;
rcu_read_unlock();
if (last)
@@ -1189,7 +1189,6 @@ static void nfs_get_cache_cookie(struct super_block *sb,
uniq = ctx->fscache_uniq;
ulen = strlen(ctx->fscache_uniq);
}
- return;
}
nfs_fscache_get_super_cookie(sb, uniq, ulen);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index df4b87c30ac9..639c34fec04a 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -946,9 +946,9 @@ nfs_mark_request_commit(struct nfs_page *req, struct pnfs_layout_segment *lseg,
static void
nfs_clear_page_commit(struct page *page)
{
- dec_node_page_state(page, NR_UNSTABLE_NFS);
+ dec_node_page_state(page, NR_WRITEBACK);
dec_wb_stat(&inode_to_bdi(page_file_mapping(page)->host)->wb,
- WB_RECLAIMABLE);
+ WB_WRITEBACK);
}
/* Called holding the request lock on @req */
@@ -1695,7 +1695,7 @@ int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
.callback_ops = call_ops,
.callback_data = data,
.workqueue = nfsiod_workqueue,
- .flags = RPC_TASK_ASYNC | RPC_TASK_CRED_NOREF | flags,
+ .flags = RPC_TASK_ASYNC | flags,
.priority = priority,
};
/* Set up the initial task struct. */
@@ -1813,7 +1813,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how,
nfs_init_commit(data, head, NULL, cinfo);
atomic_inc(&cinfo->mds->rpcs_out);
return nfs_initiate_commit(NFS_CLIENT(inode), data, NFS_PROTO(inode),
- data->mds_ops, how, 0);
+ data->mds_ops, how, RPC_TASK_CRED_NOREF);
}
/*
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index c3b11a715082..5cf91322de0f 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1312,6 +1312,7 @@ nfsd4_run_cb_work(struct work_struct *work)
container_of(work, struct nfsd4_callback, cb_work);
struct nfs4_client *clp = cb->cb_clp;
struct rpc_clnt *clnt;
+ int flags;
if (cb->cb_need_restart) {
cb->cb_need_restart = false;
@@ -1340,7 +1341,8 @@ nfsd4_run_cb_work(struct work_struct *work)
}
cb->cb_msg.rpc_cred = clp->cl_cb_cred;
- rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | RPC_TASK_SOFTCONN,
+ flags = clp->cl_minorversion ? RPC_TASK_NOCONNECT : RPC_TASK_SOFTCONN;
+ rpc_call_async(clnt, &cb->cb_msg, RPC_TASK_SOFT | flags,
cb->cb_ops ? &nfsd4_cb_ops : &nfsd4_cb_probe_ops, cb);
}
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index a8fb18609146..9e40dfecf1b1 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -127,16 +127,8 @@ nfs4_make_rec_clidname(char *dname, const struct xdr_netobj *clname)
goto out;
}
- {
- SHASH_DESC_ON_STACK(desc, tfm);
-
- desc->tfm = tfm;
-
- status = crypto_shash_digest(desc, clname->data, clname->len,
- cksum.data);
- shash_desc_zero(desc);
- }
-
+ status = crypto_shash_tfm_digest(tfm, clname->data, clname->len,
+ cksum.data);
if (status)
goto out;
@@ -1148,7 +1140,6 @@ nfsd4_cld_create_v2(struct nfs4_client *clp)
struct crypto_shash *tfm = cn->cn_tfm;
struct xdr_netobj cksum;
char *principal = NULL;
- SHASH_DESC_ON_STACK(desc, tfm);
/* Don't upcall if it's already stored */
if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
@@ -1170,16 +1161,14 @@ nfsd4_cld_create_v2(struct nfs4_client *clp)
else if (clp->cl_cred.cr_principal)
principal = clp->cl_cred.cr_principal;
if (principal) {
- desc->tfm = tfm;
cksum.len = crypto_shash_digestsize(tfm);
cksum.data = kmalloc(cksum.len, GFP_KERNEL);
if (cksum.data == NULL) {
ret = -ENOMEM;
goto out;
}
- ret = crypto_shash_digest(desc, principal, strlen(principal),
- cksum.data);
- shash_desc_zero(desc);
+ ret = crypto_shash_tfm_digest(tfm, principal, strlen(principal),
+ cksum.data);
if (ret) {
kfree(cksum.data);
goto out;
@@ -1343,7 +1332,6 @@ nfsd4_cld_check_v2(struct nfs4_client *clp)
struct crypto_shash *tfm = cn->cn_tfm;
struct xdr_netobj cksum;
char *principal = NULL;
- SHASH_DESC_ON_STACK(desc, tfm);
/* did we already find that this client is stable? */
if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags))
@@ -1381,14 +1369,12 @@ found:
principal = clp->cl_cred.cr_principal;
if (principal == NULL)
return -ENOENT;
- desc->tfm = tfm;
cksum.len = crypto_shash_digestsize(tfm);
cksum.data = kmalloc(cksum.len, GFP_KERNEL);
if (cksum.data == NULL)
return -ENOENT;
- status = crypto_shash_digest(desc, principal, strlen(principal),
- cksum.data);
- shash_desc_zero(desc);
+ status = crypto_shash_tfm_digest(tfm, principal,
+ strlen(principal), cksum.data);
if (status) {
kfree(cksum.data);
return -ENOENT;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index e32ecedece0f..c107caa56525 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -267,6 +267,8 @@ find_or_allocate_block(struct nfs4_lockowner *lo, struct knfsd_fh *fh,
if (!nbl) {
nbl= kmalloc(sizeof(*nbl), GFP_KERNEL);
if (nbl) {
+ INIT_LIST_HEAD(&nbl->nbl_list);
+ INIT_LIST_HEAD(&nbl->nbl_lru);
fh_copy_shallow(&nbl->nbl_fh, fh);
locks_init_lock(&nbl->nbl_lock);
nfsd4_init_cb(&nbl->nbl_cb, lo->lo_owner.so_client,
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 0aa02eb18bd3..c3fbab1753ec 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -979,12 +979,13 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct nfsd_file *nf,
if (test_bit(RQ_LOCAL, &rqstp->rq_flags))
/*
- * We want less throttling in balance_dirty_pages()
- * and shrink_inactive_list() so that nfs to
+ * We want throttling in balance_dirty_pages()
+ * and shrink_inactive_list() to only consider
+ * the backingdev we are writing to, so that nfs to
* localhost doesn't cause nfsd to lock up due to all
* the client's dirty pages or its congested queue.
*/
- current->flags |= PF_LESS_THROTTLE;
+ current->flags |= PF_LOCAL_THROTTLE;
exp = fhp->fh_export;
use_wgather = (rqstp->rq_vers == 2) && EX_WGATHER(exp);
@@ -1037,7 +1038,7 @@ out_nfserr:
nfserr = nfserrno(host_err);
}
if (test_bit(RQ_LOCAL, &rqstp->rq_flags))
- current_restore_flags(pflags, PF_LESS_THROTTLE);
+ current_restore_flags(pflags, PF_LOCAL_THROTTLE);
return nfserr;
}
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 671085512e0f..ceeb3b441844 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -145,18 +145,9 @@ static int nilfs_readpage(struct file *file, struct page *page)
return mpage_readpage(page, nilfs_get_block);
}
-/**
- * nilfs_readpages() - implement readpages() method of nilfs_aops {}
- * address_space_operations.
- * @file - file struct of the file to be read
- * @mapping - address_space struct used for reading multiple pages
- * @pages - the pages to be read
- * @nr_pages - number of pages to be read
- */
-static int nilfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned int nr_pages)
+static void nilfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, nilfs_get_block);
+ mpage_readahead(rac, nilfs_get_block);
}
static int nilfs_writepages(struct address_space *mapping,
@@ -308,7 +299,7 @@ const struct address_space_operations nilfs_aops = {
.readpage = nilfs_readpage,
.writepages = nilfs_writepages,
.set_page_dirty = nilfs_set_page_dirty,
- .readpages = nilfs_readpages,
+ .readahead = nilfs_readahead,
.write_begin = nilfs_write_begin,
.write_end = nilfs_write_end,
/* .releasepage = nilfs_releasepage, */
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 380a543c5b19..b55cdeb4d169 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -375,7 +375,7 @@ static inline int nilfs_flush_device(struct the_nilfs *nilfs)
*/
smp_wmb();
- err = blkdev_issue_flush(nilfs->ns_bdev, GFP_KERNEL, NULL);
+ err = blkdev_issue_flush(nilfs->ns_bdev, GFP_KERNEL);
if (err != -EIO)
err = 0;
return err;
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c
index 5435a40f82be..c18459cea6f4 100644
--- a/fs/notify/fanotify/fanotify.c
+++ b/fs/notify/fanotify/fanotify.c
@@ -520,7 +520,7 @@ static int fanotify_handle_event(struct fsnotify_group *group,
BUILD_BUG_ON(FAN_OPEN_EXEC != FS_OPEN_EXEC);
BUILD_BUG_ON(FAN_OPEN_EXEC_PERM != FS_OPEN_EXEC_PERM);
- BUILD_BUG_ON(HWEIGHT32(ALL_FANOTIFY_EVENT_BITS) != 20);
+ BUILD_BUG_ON(HWEIGHT32(ALL_FANOTIFY_EVENT_BITS) != 19);
mask = fanotify_group_event_mask(group, iter_info, mask, data,
data_type);
diff --git a/fs/notify/inotify/Kconfig b/fs/notify/inotify/Kconfig
index 6736e47d94d8..7715fadd5fff 100644
--- a/fs/notify/inotify/Kconfig
+++ b/fs/notify/inotify/Kconfig
@@ -12,6 +12,6 @@ config INOTIFY_USER
new features including multiple file events, one-shot support, and
unmount notification.
- For more information, see <file:Documentation/filesystems/inotify.txt>
+ For more information, see <file:Documentation/filesystems/inotify.rst>
If unsure, say Y.
diff --git a/fs/nsfs.c b/fs/nsfs.c
index 4f1205725cfe..800c1d0eb0d0 100644
--- a/fs/nsfs.c
+++ b/fs/nsfs.c
@@ -229,6 +229,11 @@ int ns_get_name(char *buf, size_t size, struct task_struct *task,
return res;
}
+bool proc_ns_file(const struct file *file)
+{
+ return file->f_op == &ns_file_operations;
+}
+
struct file *proc_ns_fget(int fd)
{
struct file *file;
diff --git a/fs/ntfs/Kconfig b/fs/ntfs/Kconfig
index de9fb5cff226..1667a7e590d8 100644
--- a/fs/ntfs/Kconfig
+++ b/fs/ntfs/Kconfig
@@ -18,7 +18,7 @@ config NTFS_FS
the Linux 2.4 kernel series is separately available as a patch
from the project web site.
- For more information see <file:Documentation/filesystems/ntfs.txt>
+ For more information see <file:Documentation/filesystems/ntfs.rst>
and <http://www.linux-ntfs.org/>.
To compile this file system support as a module, choose M here: the
diff --git a/fs/ntfs/aops.c b/fs/ntfs/aops.c
index 554b744f41bf..bb0a43860ad2 100644
--- a/fs/ntfs/aops.c
+++ b/fs/ntfs/aops.c
@@ -1732,7 +1732,7 @@ void mark_ntfs_record_dirty(struct page *page, const unsigned int ofs) {
bh = bh->b_this_page;
} while (bh);
tail->b_this_page = head;
- attach_page_buffers(page, head);
+ attach_page_private(page, head);
} else
buffers_to_free = bh;
}
diff --git a/fs/ntfs/malloc.h b/fs/ntfs/malloc.h
index 842b0bfc3ac9..7068425735f1 100644
--- a/fs/ntfs/malloc.h
+++ b/fs/ntfs/malloc.h
@@ -34,7 +34,7 @@ static inline void *__ntfs_malloc(unsigned long size, gfp_t gfp_mask)
/* return (void *)__get_free_page(gfp_mask); */
}
if (likely((size >> PAGE_SHIFT) < totalram_pages()))
- return __vmalloc(size, gfp_mask, PAGE_KERNEL);
+ return __vmalloc(size, gfp_mask);
return NULL;
}
diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c
index 3aac5c917afe..fbb9f1bc623d 100644
--- a/fs/ntfs/mft.c
+++ b/fs/ntfs/mft.c
@@ -504,7 +504,7 @@ int ntfs_sync_mft_mirror(ntfs_volume *vol, const unsigned long mft_no,
bh = bh->b_this_page;
} while (bh);
tail->b_this_page = head;
- attach_page_buffers(page, head);
+ attach_page_private(page, head);
}
bh = head = page_buffers(page);
BUG_ON(!bh);
diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
index 46bba20da6b5..1177c33df895 100644
--- a/fs/ocfs2/Kconfig
+++ b/fs/ocfs2/Kconfig
@@ -21,7 +21,7 @@ config OCFS2_FS
OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
For more information on OCFS2, see the file
- <file:Documentation/filesystems/ocfs2.txt>.
+ <file:Documentation/filesystems/ocfs2.rst>.
config OCFS2_FS_O2CB
tristate "O2CB Kernelspace Clustering"
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 3a67a6518ddf..3bfb4147895a 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -350,14 +350,11 @@ out:
* grow out to a tree. If need be, detecting boundary extents could
* trivially be added in a future version of ocfs2_get_block().
*/
-static int ocfs2_readpages(struct file *filp, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void ocfs2_readahead(struct readahead_control *rac)
{
- int ret, err = -EIO;
- struct inode *inode = mapping->host;
+ int ret;
+ struct inode *inode = rac->mapping->host;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- loff_t start;
- struct page *last;
/*
* Use the nonblocking flag for the dlm code to avoid page
@@ -365,36 +362,31 @@ static int ocfs2_readpages(struct file *filp, struct address_space *mapping,
*/
ret = ocfs2_inode_lock_full(inode, NULL, 0, OCFS2_LOCK_NONBLOCK);
if (ret)
- return err;
+ return;
- if (down_read_trylock(&oi->ip_alloc_sem) == 0) {
- ocfs2_inode_unlock(inode, 0);
- return err;
- }
+ if (down_read_trylock(&oi->ip_alloc_sem) == 0)
+ goto out_unlock;
/*
* Don't bother with inline-data. There isn't anything
* to read-ahead in that case anyway...
*/
if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL)
- goto out_unlock;
+ goto out_up;
/*
* Check whether a remote node truncated this file - we just
* drop out in that case as it's not worth handling here.
*/
- last = lru_to_page(pages);
- start = (loff_t)last->index << PAGE_SHIFT;
- if (start >= i_size_read(inode))
- goto out_unlock;
+ if (readahead_pos(rac) >= i_size_read(inode))
+ goto out_up;
- err = mpage_readpages(mapping, pages, nr_pages, ocfs2_get_block);
+ mpage_readahead(rac, ocfs2_get_block);
-out_unlock:
+out_up:
up_read(&oi->ip_alloc_sem);
+out_unlock:
ocfs2_inode_unlock(inode, 0);
-
- return err;
}
/* Note: Because we don't support holes, our allocation has
@@ -2474,7 +2466,7 @@ static ssize_t ocfs2_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
const struct address_space_operations ocfs2_aops = {
.readpage = ocfs2_readpage,
- .readpages = ocfs2_readpages,
+ .readahead = ocfs2_readahead,
.writepage = ocfs2_writepage,
.write_begin = ocfs2_write_begin,
.write_end = ocfs2_write_end,
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index 2c512b40a940..79a231719460 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -1441,22 +1441,6 @@ static void o2net_rx_until_empty(struct work_struct *work)
sc_put(sc);
}
-static int o2net_set_nodelay(struct socket *sock)
-{
- int val = 1;
-
- return kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (void *)&val, sizeof(val));
-}
-
-static int o2net_set_usertimeout(struct socket *sock)
-{
- int user_timeout = O2NET_TCP_USER_TIMEOUT;
-
- return kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT,
- (void *)&user_timeout, sizeof(user_timeout));
-}
-
static void o2net_initialize_handshake(void)
{
o2net_hand->o2hb_heartbeat_timeout_ms = cpu_to_be32(
@@ -1636,17 +1620,8 @@ static void o2net_start_connect(struct work_struct *work)
goto out;
}
- ret = o2net_set_nodelay(sc->sc_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
-
- ret = o2net_set_usertimeout(sock);
- if (ret) {
- mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(sc->sc_sock->sk);
+ tcp_sock_set_user_timeout(sock->sk, O2NET_TCP_USER_TIMEOUT);
o2net_register_callbacks(sc->sc_sock->sk, sc);
@@ -1832,17 +1807,8 @@ static int o2net_accept_one(struct socket *sock, int *more)
*more = 1;
new_sock->sk->sk_allocation = GFP_ATOMIC;
- ret = o2net_set_nodelay(new_sock);
- if (ret) {
- mlog(ML_ERROR, "setting TCP_NODELAY failed with %d\n", ret);
- goto out;
- }
-
- ret = o2net_set_usertimeout(new_sock);
- if (ret) {
- mlog(ML_ERROR, "set TCP_USER_TIMEOUT failed with %d\n", ret);
- goto out;
- }
+ tcp_sock_set_nodelay(new_sock->sk);
+ tcp_sock_set_user_timeout(new_sock->sk, O2NET_TCP_USER_TIMEOUT);
ret = new_sock->ops->getname(new_sock, (struct sockaddr *) &sin, 1);
if (ret < 0)
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 55a6512e9fde..f105746063ed 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2760,6 +2760,7 @@ leave:
* Returns: 1 if dlm->spinlock was dropped/retaken, 0 if never dropped
*/
int dlm_empty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
+ __must_hold(&dlm->spinlock)
{
int ret;
int lock_dropped = 0;
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 8e4f1ace467c..ea868c6f9800 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -227,7 +227,7 @@ static ssize_t dlmfs_file_read(struct file *filp,
loff_t *ppos)
{
int bytes_left;
- ssize_t readlen, got;
+ ssize_t got;
char *lvb_buf;
struct inode *inode = file_inode(filp);
@@ -237,36 +237,31 @@ static ssize_t dlmfs_file_read(struct file *filp,
if (*ppos >= i_size_read(inode))
return 0;
+ /* don't read past the lvb */
+ if (count > i_size_read(inode) - *ppos)
+ count = i_size_read(inode) - *ppos;
+
if (!count)
return 0;
- if (!access_ok(buf, count))
- return -EFAULT;
-
- /* don't read past the lvb */
- if ((count + *ppos) > i_size_read(inode))
- readlen = i_size_read(inode) - *ppos;
- else
- readlen = count;
-
- lvb_buf = kmalloc(readlen, GFP_NOFS);
+ lvb_buf = kmalloc(count, GFP_NOFS);
if (!lvb_buf)
return -ENOMEM;
- got = user_dlm_read_lvb(inode, lvb_buf, readlen);
+ got = user_dlm_read_lvb(inode, lvb_buf, count);
if (got) {
- BUG_ON(got != readlen);
- bytes_left = __copy_to_user(buf, lvb_buf, readlen);
- readlen -= bytes_left;
+ BUG_ON(got != count);
+ bytes_left = copy_to_user(buf, lvb_buf, count);
+ count -= bytes_left;
} else
- readlen = 0;
+ count = 0;
kfree(lvb_buf);
- *ppos = *ppos + readlen;
+ *ppos = *ppos + count;
- mlog(0, "read %zd bytes\n", readlen);
- return readlen;
+ mlog(0, "read %zu bytes\n", count);
+ return count;
}
static ssize_t dlmfs_file_write(struct file *filp,
@@ -275,7 +270,6 @@ static ssize_t dlmfs_file_write(struct file *filp,
loff_t *ppos)
{
int bytes_left;
- ssize_t writelen;
char *lvb_buf;
struct inode *inode = file_inode(filp);
@@ -285,32 +279,27 @@ static ssize_t dlmfs_file_write(struct file *filp,
if (*ppos >= i_size_read(inode))
return -ENOSPC;
+ /* don't write past the lvb */
+ if (count > i_size_read(inode) - *ppos)
+ count = i_size_read(inode) - *ppos;
+
if (!count)
return 0;
- if (!access_ok(buf, count))
- return -EFAULT;
-
- /* don't write past the lvb */
- if ((count + *ppos) > i_size_read(inode))
- writelen = i_size_read(inode) - *ppos;
- else
- writelen = count - *ppos;
-
- lvb_buf = kmalloc(writelen, GFP_NOFS);
+ lvb_buf = kmalloc(count, GFP_NOFS);
if (!lvb_buf)
return -ENOMEM;
- bytes_left = copy_from_user(lvb_buf, buf, writelen);
- writelen -= bytes_left;
- if (writelen)
- user_dlm_write_lvb(inode, lvb_buf, writelen);
+ bytes_left = copy_from_user(lvb_buf, buf, count);
+ count -= bytes_left;
+ if (count)
+ user_dlm_write_lvb(inode, lvb_buf, count);
kfree(lvb_buf);
- *ppos = *ppos + writelen;
- mlog(0, "wrote %zd bytes\n", writelen);
- return writelen;
+ *ppos = *ppos + count;
+ mlog(0, "wrote %zu bytes\n", count);
+ return count;
}
static void dlmfs_init_once(void *foo)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 6cd5e4924e4d..85979e2214b3 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -194,7 +194,7 @@ static int ocfs2_sync_file(struct file *file, loff_t start, loff_t end,
needs_barrier = true;
err = jbd2_complete_transaction(journal, commit_tid);
if (needs_barrier) {
- ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (!err)
err = ret;
}
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 9150cfa4df7d..ee5d98516212 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -279,6 +279,7 @@ enum ocfs2_mount_options
OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
OCFS2_MOUNT_ERRORS_CONT = 1 << 16, /* Return EIO to the calling process on error */
OCFS2_MOUNT_ERRORS_ROFS = 1 << 17, /* Change filesystem to read-only on error */
+ OCFS2_MOUNT_NOCLUSTER = 1 << 18, /* No cluster aware filesystem mount */
};
#define OCFS2_OSB_SOFT_RO 0x0001
@@ -673,7 +674,8 @@ static inline int ocfs2_cluster_o2cb_global_heartbeat(struct ocfs2_super *osb)
static inline int ocfs2_mount_local(struct ocfs2_super *osb)
{
- return (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT);
+ return ((osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT)
+ || (osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER));
}
static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
diff --git a/fs/ocfs2/slot_map.c b/fs/ocfs2/slot_map.c
index 8caeceeaeda7..4da0e4b1e79b 100644
--- a/fs/ocfs2/slot_map.c
+++ b/fs/ocfs2/slot_map.c
@@ -254,14 +254,16 @@ static int __ocfs2_find_empty_slot(struct ocfs2_slot_info *si,
int i, ret = -ENOSPC;
if ((preferred >= 0) && (preferred < si->si_num_slots)) {
- if (!si->si_slots[preferred].sl_valid) {
+ if (!si->si_slots[preferred].sl_valid ||
+ !si->si_slots[preferred].sl_node_num) {
ret = preferred;
goto out;
}
}
for(i = 0; i < si->si_num_slots; i++) {
- if (!si->si_slots[i].sl_valid) {
+ if (!si->si_slots[i].sl_valid ||
+ !si->si_slots[i].sl_node_num) {
ret = i;
break;
}
@@ -456,24 +458,30 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
spin_lock(&osb->osb_lock);
ocfs2_update_slot_info(si);
- /* search for ourselves first and take the slot if it already
- * exists. Perhaps we need to mark this in a variable for our
- * own journal recovery? Possibly not, though we certainly
- * need to warn to the user */
- slot = __ocfs2_node_num_to_slot(si, osb->node_num);
- if (slot < 0) {
- /* if no slot yet, then just take 1st available
- * one. */
- slot = __ocfs2_find_empty_slot(si, osb->preferred_slot);
+ if (ocfs2_mount_local(osb))
+ /* use slot 0 directly in local mode */
+ slot = 0;
+ else {
+ /* search for ourselves first and take the slot if it already
+ * exists. Perhaps we need to mark this in a variable for our
+ * own journal recovery? Possibly not, though we certainly
+ * need to warn to the user */
+ slot = __ocfs2_node_num_to_slot(si, osb->node_num);
if (slot < 0) {
- spin_unlock(&osb->osb_lock);
- mlog(ML_ERROR, "no free slots available!\n");
- status = -EINVAL;
- goto bail;
- }
- } else
- printk(KERN_INFO "ocfs2: Slot %d on device (%s) was already "
- "allocated to this node!\n", slot, osb->dev_str);
+ /* if no slot yet, then just take 1st available
+ * one. */
+ slot = __ocfs2_find_empty_slot(si, osb->preferred_slot);
+ if (slot < 0) {
+ spin_unlock(&osb->osb_lock);
+ mlog(ML_ERROR, "no free slots available!\n");
+ status = -EINVAL;
+ goto bail;
+ }
+ } else
+ printk(KERN_INFO "ocfs2: Slot %d on device (%s) was "
+ "already allocated to this node!\n",
+ slot, osb->dev_str);
+ }
ocfs2_set_slot(si, slot, osb->node_num);
osb->slot_num = slot;
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index ac61eeaf3837..71ea9ce71a6b 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -175,6 +175,7 @@ enum {
Opt_dir_resv_level,
Opt_journal_async_commit,
Opt_err_cont,
+ Opt_nocluster,
Opt_err,
};
@@ -208,6 +209,7 @@ static const match_table_t tokens = {
{Opt_dir_resv_level, "dir_resv_level=%u"},
{Opt_journal_async_commit, "journal_async_commit"},
{Opt_err_cont, "errors=continue"},
+ {Opt_nocluster, "nocluster"},
{Opt_err, NULL}
};
@@ -619,6 +621,13 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
goto out;
}
+ tmp = OCFS2_MOUNT_NOCLUSTER;
+ if ((osb->s_mount_opt & tmp) != (parsed_options.mount_opt & tmp)) {
+ ret = -EINVAL;
+ mlog(ML_ERROR, "Cannot change nocluster option on remount\n");
+ goto out;
+ }
+
tmp = OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
OCFS2_MOUNT_HB_NONE;
if ((osb->s_mount_opt & tmp) != (parsed_options.mount_opt & tmp)) {
@@ -859,6 +868,7 @@ static int ocfs2_verify_userspace_stack(struct ocfs2_super *osb,
}
if (ocfs2_userspace_stack(osb) &&
+ !(osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER) &&
strncmp(osb->osb_cluster_stack, mopt->cluster_stack,
OCFS2_STACK_LABEL_LEN)) {
mlog(ML_ERROR,
@@ -1139,6 +1149,11 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
+ if ((osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER) &&
+ !(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT))
+ printk(KERN_NOTICE "ocfs2: The shared device (%s) is mounted "
+ "without cluster aware mode.\n", osb->dev_str);
+
atomic_set(&osb->vol_state, VOLUME_MOUNTED);
wake_up(&osb->osb_mount_event);
@@ -1445,6 +1460,9 @@ static int ocfs2_parse_options(struct super_block *sb,
case Opt_journal_async_commit:
mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
break;
+ case Opt_nocluster:
+ mopt->mount_opt |= OCFS2_MOUNT_NOCLUSTER;
+ break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
@@ -1556,6 +1574,9 @@ static int ocfs2_show_options(struct seq_file *s, struct dentry *root)
if (opts & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
seq_printf(s, ",journal_async_commit");
+ if (opts & OCFS2_MOUNT_NOCLUSTER)
+ seq_printf(s, ",nocluster");
+
return 0;
}
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index d640b9388238..d7b5f09d298c 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -289,10 +289,9 @@ static int omfs_readpage(struct file *file, struct page *page)
return block_read_full_page(page, omfs_get_block);
}
-static int omfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void omfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, omfs_get_block);
+ mpage_readahead(rac, omfs_get_block);
}
static int omfs_writepage(struct page *page, struct writeback_control *wbc)
@@ -373,7 +372,7 @@ const struct inode_operations omfs_file_inops = {
const struct address_space_operations omfs_aops = {
.readpage = omfs_readpage,
- .readpages = omfs_readpages,
+ .readahead = omfs_readahead,
.writepage = omfs_writepage,
.writepages = omfs_writepages,
.write_begin = omfs_write_begin,
diff --git a/fs/open.c b/fs/open.c
index 719b320ede52..6cd48a61cda3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -345,21 +345,14 @@ SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
* We do this by temporarily clearing all FS-related capabilities and
* switching the fsuid/fsgid around to the real ones.
*/
-long do_faccessat(int dfd, const char __user *filename, int mode)
+static const struct cred *access_override_creds(void)
{
const struct cred *old_cred;
struct cred *override_cred;
- struct path path;
- struct inode *inode;
- int res;
- unsigned int lookup_flags = LOOKUP_FOLLOW;
-
- if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
- return -EINVAL;
override_cred = prepare_creds();
if (!override_cred)
- return -ENOMEM;
+ return NULL;
override_cred->fsuid = override_cred->uid;
override_cred->fsgid = override_cred->gid;
@@ -394,6 +387,38 @@ long do_faccessat(int dfd, const char __user *filename, int mode)
override_cred->non_rcu = 1;
old_cred = override_creds(override_cred);
+
+ /* override_cred() gets its own ref */
+ put_cred(override_cred);
+
+ return old_cred;
+}
+
+long do_faccessat(int dfd, const char __user *filename, int mode, int flags)
+{
+ struct path path;
+ struct inode *inode;
+ int res;
+ unsigned int lookup_flags = LOOKUP_FOLLOW;
+ const struct cred *old_cred = NULL;
+
+ if (mode & ~S_IRWXO) /* where's F_OK, X_OK, W_OK, R_OK? */
+ return -EINVAL;
+
+ if (flags & ~(AT_EACCESS | AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH))
+ return -EINVAL;
+
+ if (flags & AT_SYMLINK_NOFOLLOW)
+ lookup_flags &= ~LOOKUP_FOLLOW;
+ if (flags & AT_EMPTY_PATH)
+ lookup_flags |= LOOKUP_EMPTY;
+
+ if (!(flags & AT_EACCESS)) {
+ old_cred = access_override_creds();
+ if (!old_cred)
+ return -ENOMEM;
+ }
+
retry:
res = user_path_at(dfd, filename, lookup_flags, &path);
if (res)
@@ -435,19 +460,26 @@ out_path_release:
goto retry;
}
out:
- revert_creds(old_cred);
- put_cred(override_cred);
+ if (old_cred)
+ revert_creds(old_cred);
+
return res;
}
SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
{
- return do_faccessat(dfd, filename, mode);
+ return do_faccessat(dfd, filename, mode, 0);
+}
+
+SYSCALL_DEFINE4(faccessat2, int, dfd, const char __user *, filename, int, mode,
+ int, flags)
+{
+ return do_faccessat(dfd, filename, mode, flags);
}
SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)
{
- return do_faccessat(AT_FDCWD, filename, mode);
+ return do_faccessat(AT_FDCWD, filename, mode, 0);
}
int ksys_chdir(const char __user *filename)
@@ -743,9 +775,8 @@ static int do_dentry_open(struct file *f,
path_get(&f->f_path);
f->f_inode = inode;
f->f_mapping = inode->i_mapping;
-
- /* Ensure that we skip any errors that predate opening of the file */
f->f_wb_err = filemap_sample_wb_err(f->f_mapping);
+ f->f_sb_err = file_sample_sb_err(f);
if (unlikely(f->f_flags & O_PATH)) {
f->f_mode = FMODE_PATH | FMODE_OPENED;
diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c
index 12ae630fbed7..48f0547d4850 100644
--- a/fs/orangefs/inode.c
+++ b/fs/orangefs/inode.c
@@ -62,12 +62,7 @@ static int orangefs_writepage_locked(struct page *page,
} else {
ret = 0;
}
- if (wr) {
- kfree(wr);
- set_page_private(page, 0);
- ClearPagePrivate(page);
- put_page(page);
- }
+ kfree(detach_page_private(page));
return ret;
}
@@ -409,9 +404,7 @@ static int orangefs_write_begin(struct file *file,
wr->len = len;
wr->uid = current_fsuid();
wr->gid = current_fsgid();
- SetPagePrivate(page);
- set_page_private(page, (unsigned long)wr);
- get_page(page);
+ attach_page_private(page, wr);
okay:
return 0;
}
@@ -459,18 +452,12 @@ static void orangefs_invalidatepage(struct page *page,
wr = (struct orangefs_write_range *)page_private(page);
if (offset == 0 && length == PAGE_SIZE) {
- kfree((struct orangefs_write_range *)page_private(page));
- set_page_private(page, 0);
- ClearPagePrivate(page);
- put_page(page);
+ kfree(detach_page_private(page));
return;
/* write range entirely within invalidate range (or equal) */
} else if (page_offset(page) + offset <= wr->pos &&
wr->pos + wr->len <= page_offset(page) + offset + length) {
- kfree((struct orangefs_write_range *)page_private(page));
- set_page_private(page, 0);
- ClearPagePrivate(page);
- put_page(page);
+ kfree(detach_page_private(page));
/* XXX is this right? only caller in fs */
cancel_dirty_page(page);
return;
@@ -535,12 +522,7 @@ static int orangefs_releasepage(struct page *page, gfp_t foo)
static void orangefs_freepage(struct page *page)
{
- if (PagePrivate(page)) {
- kfree((struct orangefs_write_range *)page_private(page));
- set_page_private(page, 0);
- ClearPagePrivate(page);
- put_page(page);
- }
+ kfree(detach_page_private(page));
}
static int orangefs_launder_page(struct page *page)
@@ -740,9 +722,7 @@ vm_fault_t orangefs_page_mkwrite(struct vm_fault *vmf)
wr->len = PAGE_SIZE;
wr->uid = current_fsuid();
wr->gid = current_fsgid();
- SetPagePrivate(page);
- set_page_private(page, (unsigned long)wr);
- get_page(page);
+ attach_page_private(page, wr);
okay:
file_update_time(vmf->vma->vm_file);
diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig
index 714c14c47ca5..dd188c7996b3 100644
--- a/fs/overlayfs/Kconfig
+++ b/fs/overlayfs/Kconfig
@@ -9,7 +9,7 @@ config OVERLAY_FS
'lower' filesystem is either hidden or, in the case of directories,
merged with the 'upper' object.
- For more information see Documentation/filesystems/overlayfs.txt
+ For more information see Documentation/filesystems/overlayfs.rst
config OVERLAY_FS_REDIRECT_DIR
bool "Overlayfs: turn on redirect directory feature by default"
@@ -38,7 +38,7 @@ config OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW
If backward compatibility is not an issue, then it is safe and
recommended to say N here.
- For more information, see Documentation/filesystems/overlayfs.txt
+ For more information, see Documentation/filesystems/overlayfs.rst
If unsure, say Y.
@@ -103,7 +103,7 @@ config OVERLAY_FS_XINO_AUTO
If compatibility with applications that expect 32bit inodes is not an
issue, then it is safe and recommended to say Y here.
- For more information, see Documentation/filesystems/overlayfs.txt
+ For more information, see Documentation/filesystems/overlayfs.rst
If unsure, say N.
diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index 475c61f53f0f..ed5c1078919c 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -783,6 +783,9 @@ static struct ovl_fh *ovl_fid_to_fh(struct fid *fid, int buflen, int fh_type)
if (fh_type != OVL_FILEID_V0)
return ERR_PTR(-EINVAL);
+ if (buflen <= OVL_FH_WIRE_OFFSET)
+ return ERR_PTR(-EINVAL);
+
fh = kzalloc(buflen, GFP_KERNEL);
if (!fh)
return ERR_PTR(-ENOMEM);
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index b0d42ece4d7c..981f11ec51bc 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -58,6 +58,24 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr)
if (attr->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID))
attr->ia_valid &= ~ATTR_MODE;
+ /*
+ * We might have to translate ovl file into real file object
+ * once use cases emerge. For now, simply don't let underlying
+ * filesystem rely on attr->ia_file
+ */
+ attr->ia_valid &= ~ATTR_FILE;
+
+ /*
+ * If open(O_TRUNC) is done, VFS calls ->setattr with ATTR_OPEN
+ * set. Overlayfs does not pass O_TRUNC flag to underlying
+ * filesystem during open -> do not pass ATTR_OPEN. This
+ * disables optimization in fuse which assumes open(O_TRUNC)
+ * already set file size to 0. But we never passed O_TRUNC to
+ * fuse. So by clearing ATTR_OPEN, fuse will be forced to send
+ * setattr request to server.
+ */
+ attr->ia_valid &= ~ATTR_OPEN;
+
inode_lock(upperdentry->d_inode);
old_cred = ovl_override_creds(dentry->d_sb);
err = notify_change(upperdentry, attr, NULL);
diff --git a/fs/pipe.c b/fs/pipe.c
index 16fb72e9abf7..c7c4fb5f345f 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -140,21 +140,20 @@ static void anon_pipe_buf_release(struct pipe_inode_info *pipe,
put_page(page);
}
-static int anon_pipe_buf_steal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
+static bool anon_pipe_buf_try_steal(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf)
{
struct page *page = buf->page;
- if (page_count(page) == 1) {
- memcg_kmem_uncharge_page(page, 0);
- __SetPageLocked(page);
- return 0;
- }
- return 1;
+ if (page_count(page) != 1)
+ return false;
+ memcg_kmem_uncharge_page(page, 0);
+ __SetPageLocked(page);
+ return true;
}
/**
- * generic_pipe_buf_steal - attempt to take ownership of a &pipe_buffer
+ * generic_pipe_buf_try_steal - attempt to take ownership of a &pipe_buffer
* @pipe: the pipe that the buffer belongs to
* @buf: the buffer to attempt to steal
*
@@ -165,8 +164,8 @@ static int anon_pipe_buf_steal(struct pipe_inode_info *pipe,
* he wishes; the typical use is insertion into a different file
* page cache.
*/
-int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
+bool generic_pipe_buf_try_steal(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf)
{
struct page *page = buf->page;
@@ -177,12 +176,11 @@ int generic_pipe_buf_steal(struct pipe_inode_info *pipe,
*/
if (page_count(page) == 1) {
lock_page(page);
- return 0;
+ return true;
}
-
- return 1;
+ return false;
}
-EXPORT_SYMBOL(generic_pipe_buf_steal);
+EXPORT_SYMBOL(generic_pipe_buf_try_steal);
/**
* generic_pipe_buf_get - get a reference to a &struct pipe_buffer
@@ -201,22 +199,6 @@ bool generic_pipe_buf_get(struct pipe_inode_info *pipe, struct pipe_buffer *buf)
EXPORT_SYMBOL(generic_pipe_buf_get);
/**
- * generic_pipe_buf_confirm - verify contents of the pipe buffer
- * @info: the pipe that the buffer belongs to
- * @buf: the buffer to confirm
- *
- * Description:
- * This function does nothing, because the generic pipe code uses
- * pages that are always good when inserted into the pipe.
- */
-int generic_pipe_buf_confirm(struct pipe_inode_info *info,
- struct pipe_buffer *buf)
-{
- return 0;
-}
-EXPORT_SYMBOL(generic_pipe_buf_confirm);
-
-/**
* generic_pipe_buf_release - put a reference to a &struct pipe_buffer
* @pipe: the pipe that the buffer belongs to
* @buf: the buffer to put a reference to
@@ -231,48 +213,12 @@ void generic_pipe_buf_release(struct pipe_inode_info *pipe,
}
EXPORT_SYMBOL(generic_pipe_buf_release);
-/* New data written to a pipe may be appended to a buffer with this type. */
static const struct pipe_buf_operations anon_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = anon_pipe_buf_release,
- .steal = anon_pipe_buf_steal,
- .get = generic_pipe_buf_get,
-};
-
-static const struct pipe_buf_operations anon_pipe_buf_nomerge_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = anon_pipe_buf_release,
- .steal = anon_pipe_buf_steal,
- .get = generic_pipe_buf_get,
-};
-
-static const struct pipe_buf_operations packet_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = anon_pipe_buf_release,
- .steal = anon_pipe_buf_steal,
- .get = generic_pipe_buf_get,
+ .release = anon_pipe_buf_release,
+ .try_steal = anon_pipe_buf_try_steal,
+ .get = generic_pipe_buf_get,
};
-/**
- * pipe_buf_mark_unmergeable - mark a &struct pipe_buffer as unmergeable
- * @buf: the buffer to mark
- *
- * Description:
- * This function ensures that no future writes will be merged into the
- * given &struct pipe_buffer. This is necessary when multiple pipe buffers
- * share the same backing page.
- */
-void pipe_buf_mark_unmergeable(struct pipe_buffer *buf)
-{
- if (buf->ops == &anon_pipe_buf_ops)
- buf->ops = &anon_pipe_buf_nomerge_ops;
-}
-
-static bool pipe_buf_can_merge(struct pipe_buffer *buf)
-{
- return buf->ops == &anon_pipe_buf_ops;
-}
-
/* Done while waiting without holding the pipe lock - thus the READ_ONCE() */
static inline bool pipe_readable(const struct pipe_inode_info *pipe)
{
@@ -478,7 +424,8 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
struct pipe_buffer *buf = &pipe->bufs[(head - 1) & mask];
int offset = buf->offset + buf->len;
- if (pipe_buf_can_merge(buf) && offset + chars <= PAGE_SIZE) {
+ if ((buf->flags & PIPE_BUF_FLAG_CAN_MERGE) &&
+ offset + chars <= PAGE_SIZE) {
ret = pipe_buf_confirm(pipe, buf);
if (ret)
goto out;
@@ -541,11 +488,10 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
buf->ops = &anon_pipe_buf_ops;
buf->offset = 0;
buf->len = 0;
- buf->flags = 0;
- if (is_packetized(filp)) {
- buf->ops = &packet_pipe_buf_ops;
+ if (is_packetized(filp))
buf->flags = PIPE_BUF_FLAG_PACKET;
- }
+ else
+ buf->flags = PIPE_BUF_FLAG_CAN_MERGE;
pipe->tmp_page = NULL;
copied = copy_page_from_iter(page, 0, PAGE_SIZE, from);
diff --git a/fs/pnode.c b/fs/pnode.c
index 49f6d7ff2139..1106137c747a 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -261,14 +261,13 @@ static int propagate_one(struct mount *m)
child = copy_tree(last_source, last_source->mnt.mnt_root, type);
if (IS_ERR(child))
return PTR_ERR(child);
+ read_seqlock_excl(&mount_lock);
mnt_set_mountpoint(m, mp, child);
+ if (m->mnt_master != dest_master)
+ SET_MNT_MARK(m->mnt_master);
+ read_sequnlock_excl(&mount_lock);
last_dest = m;
last_source = child;
- if (m->mnt_master != dest_master) {
- read_seqlock_excl(&mount_lock);
- SET_MNT_MARK(m->mnt_master);
- read_sequnlock_excl(&mount_lock);
- }
hlist_add_head(&child->mnt_hash, list);
return count_mounts(m->mnt_ns, child);
}
diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig
index 27ef84d99f59..971a42f6357d 100644
--- a/fs/proc/Kconfig
+++ b/fs/proc/Kconfig
@@ -23,7 +23,7 @@ config PROC_FS
/proc" or the equivalent line in /etc/fstab does the job.
The /proc file system is explained in the file
- <file:Documentation/filesystems/proc.txt> and on the proc(5) manpage
+ <file:Documentation/filesystems/proc.rst> and on the proc(5) manpage
("man 5 proc").
This option will enlarge your kernel by about 67 KB. Several
@@ -95,7 +95,7 @@ config PROC_CHILDREN
default n
help
Provides a fast way to retrieve first level children pids of a task. See
- <file:Documentation/filesystems/proc.txt> for more information.
+ <file:Documentation/filesystems/proc.rst> for more information.
Say Y if you are running any user-space software which takes benefit from
this interface. For example, rkt is such a piece of software.
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 572898dd16a0..eb2255e95f62 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -3286,7 +3286,6 @@ static const struct inode_operations proc_tgid_base_inode_operations = {
void proc_flush_pid(struct pid *pid)
{
proc_invalidate_siblings_dcache(&pid->inodes, &pid->lock);
- put_pid(pid);
}
static struct dentry *proc_pid_instantiate(struct dentry * dentry,
diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 8c1f1bb1a5ce..ecc63ce01be7 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -103,11 +103,14 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
show_val_kb(m, "SUnreclaim: ", sunreclaim);
seq_printf(m, "KernelStack: %8lu kB\n",
global_zone_page_state(NR_KERNEL_STACK_KB));
+#ifdef CONFIG_SHADOW_CALL_STACK
+ seq_printf(m, "ShadowCallStack:%8lu kB\n",
+ global_zone_page_state(NR_KERNEL_SCS_KB));
+#endif
show_val_kb(m, "PageTables: ",
global_zone_page_state(NR_PAGETABLE));
- show_val_kb(m, "NFS_Unstable: ",
- global_node_page_state(NR_UNSTABLE_NFS));
+ show_val_kb(m, "NFS_Unstable: ", 0);
show_val_kb(m, "Bounce: ",
global_zone_page_state(NR_BOUNCE));
show_val_kb(m, "WritebackTmp: ",
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 4888c5224442..dba63b2429f0 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -98,6 +98,25 @@ static const struct proc_ops proc_net_seq_ops = {
.proc_release = seq_release_net,
};
+int bpf_iter_init_seq_net(void *priv_data)
+{
+#ifdef CONFIG_NET_NS
+ struct seq_net_private *p = priv_data;
+
+ p->net = get_net(current->nsproxy->net_ns);
+#endif
+ return 0;
+}
+
+void bpf_iter_fini_seq_net(void *priv_data)
+{
+#ifdef CONFIG_NET_NS
+ struct seq_net_private *p = priv_data;
+
+ put_net(p->net);
+#endif
+}
+
struct proc_dir_entry *proc_create_net_data(const char *name, umode_t mode,
struct proc_dir_entry *parent, const struct seq_operations *ops,
unsigned int state_size, void *data)
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index b6f5d459b087..df2143e05c57 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -539,13 +539,13 @@ out:
return err;
}
-static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
+static ssize_t proc_sys_call_handler(struct file *filp, void __user *ubuf,
size_t count, loff_t *ppos, int write)
{
struct inode *inode = file_inode(filp);
struct ctl_table_header *head = grab_header(inode);
struct ctl_table *table = PROC_I(inode)->sysctl_entry;
- void *new_buf = NULL;
+ void *kbuf;
ssize_t error;
if (IS_ERR(head))
@@ -564,27 +564,38 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
if (!table->proc_handler)
goto out;
- error = BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, &count,
- ppos, &new_buf);
+ if (write) {
+ kbuf = memdup_user_nul(ubuf, count);
+ if (IS_ERR(kbuf)) {
+ error = PTR_ERR(kbuf);
+ goto out;
+ }
+ } else {
+ error = -ENOMEM;
+ kbuf = kzalloc(count, GFP_KERNEL);
+ if (!kbuf)
+ goto out;
+ }
+
+ error = BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, &kbuf, &count,
+ ppos);
if (error)
- goto out;
+ goto out_free_buf;
/* careful: calling conventions are nasty here */
- if (new_buf) {
- mm_segment_t old_fs;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- error = table->proc_handler(table, write, (void __user *)new_buf,
- &count, ppos);
- set_fs(old_fs);
- kfree(new_buf);
- } else {
- error = table->proc_handler(table, write, buf, &count, ppos);
+ error = table->proc_handler(table, write, kbuf, &count, ppos);
+ if (error)
+ goto out_free_buf;
+
+ if (!write) {
+ error = -EFAULT;
+ if (copy_to_user(ubuf, kbuf, count))
+ goto out_free_buf;
}
- if (!error)
- error = count;
+ error = count;
+out_free_buf:
+ kfree(kbuf);
out:
sysctl_head_finish(head);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 8d382d4ec067..6ad407d5efe2 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -546,10 +546,17 @@ static void smaps_pmd_entry(pmd_t *pmd, unsigned long addr,
struct mem_size_stats *mss = walk->private;
struct vm_area_struct *vma = walk->vma;
bool locked = !!(vma->vm_flags & VM_LOCKED);
- struct page *page;
+ struct page *page = NULL;
- /* FOLL_DUMP will return -EFAULT on huge zero page */
- page = follow_trans_huge_pmd(vma, addr, pmd, FOLL_DUMP);
+ if (pmd_present(*pmd)) {
+ /* FOLL_DUMP will return -EFAULT on huge zero page */
+ page = follow_trans_huge_pmd(vma, addr, pmd, FOLL_DUMP);
+ } else if (unlikely(thp_migration_supported() && is_swap_pmd(*pmd))) {
+ swp_entry_t entry = pmd_to_swp_entry(*pmd);
+
+ if (is_migration_entry(entry))
+ page = migration_entry_to_page(entry);
+ }
if (IS_ERR_OR_NULL(page))
return;
if (PageAnon(page))
@@ -578,8 +585,7 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
ptl = pmd_trans_huge_lock(pmd, vma);
if (ptl) {
- if (pmd_present(*pmd))
- smaps_pmd_entry(pmd, addr, walk);
+ smaps_pmd_entry(pmd, addr, walk);
spin_unlock(ptl);
goto out;
}
@@ -622,9 +628,6 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_GROWSDOWN)] = "gd",
[ilog2(VM_PFNMAP)] = "pf",
[ilog2(VM_DENYWRITE)] = "dw",
-#ifdef CONFIG_X86_INTEL_MPX
- [ilog2(VM_MPX)] = "mp",
-#endif
[ilog2(VM_LOCKED)] = "lo",
[ilog2(VM_IO)] = "io",
[ilog2(VM_SEQ_READ)] = "sr",
@@ -638,6 +641,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma)
[ilog2(VM_ARCH_1)] = "ar",
[ilog2(VM_WIPEONFORK)] = "wf",
[ilog2(VM_DONTDUMP)] = "dd",
+#ifdef CONFIG_ARM64_BTI
+ [ilog2(VM_ARM64_BTI)] = "bt",
+#endif
#ifdef CONFIG_MEM_SOFT_DIRTY
[ilog2(VM_SOFTDIRTY)] = "sd",
#endif
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 7dc800cce354..c663202da8de 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -266,7 +266,8 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,
if (start < offset + dump->size) {
tsz = min(offset + (u64)dump->size - start, (u64)size);
buf = dump->buf + start - offset;
- if (remap_vmalloc_range_partial(vma, dst, buf, tsz)) {
+ if (remap_vmalloc_range_partial(vma, dst, buf, 0,
+ tsz)) {
ret = -EFAULT;
goto out_unlock;
}
@@ -624,7 +625,7 @@ static int mmap_vmcore(struct file *file, struct vm_area_struct *vma)
tsz = min(elfcorebuf_sz + elfnotes_sz - (size_t)start, size);
kaddr = elfnotes_buf + start - elfcorebuf_sz - vmcoredd_orig_sz;
if (remap_vmalloc_range_partial(vma, vma->vm_start + len,
- kaddr, tsz))
+ kaddr, 0, tsz))
goto fail;
size -= tsz;
diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c
index 273ee82d8aa9..e4d70c0dffe9 100644
--- a/fs/proc_namespace.c
+++ b/fs/proc_namespace.c
@@ -279,7 +279,8 @@ static int mounts_open_common(struct inode *inode, struct file *file,
p->ns = ns;
p->root = root;
p->show = show;
- p->cached_event = ~0ULL;
+ INIT_LIST_HEAD(&p->cursor.mnt_list);
+ p->cursor.mnt.mnt_flags = MNT_CURSOR;
return 0;
@@ -296,6 +297,7 @@ static int mounts_release(struct inode *inode, struct file *file)
struct seq_file *m = file->private_data;
struct proc_mounts *p = m->private;
path_put(&p->root);
+ mnt_cursor_del(p->ns, &p->cursor);
put_mnt_ns(p->ns);
return seq_release_private(inode, file);
}
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig
index 8f0369aad22a..e16a49ebfe54 100644
--- a/fs/pstore/Kconfig
+++ b/fs/pstore/Kconfig
@@ -153,3 +153,112 @@ config PSTORE_RAM
"ramoops.ko".
For more information, see Documentation/admin-guide/ramoops.rst.
+
+config PSTORE_ZONE
+ tristate
+ depends on PSTORE
+ help
+ The common layer for pstore/blk (and pstore/ram in the future)
+ to manage storage in zones.
+
+config PSTORE_BLK
+ tristate "Log panic/oops to a block device"
+ depends on PSTORE
+ depends on BLOCK
+ select PSTORE_ZONE
+ default n
+ help
+ This enables panic and oops message to be logged to a block dev
+ where it can be read back at some later point.
+
+ For more information, see Documentation/admin-guide/pstore-blk.rst
+
+ If unsure, say N.
+
+config PSTORE_BLK_BLKDEV
+ string "block device identifier"
+ depends on PSTORE_BLK
+ default ""
+ help
+ Which block device should be used for pstore/blk.
+
+ It accepts the following variants:
+ 1) <hex_major><hex_minor> device number in hexadecimal representation,
+ with no leading 0x, for example b302.
+ 2) /dev/<disk_name> represents the device name of disk
+ 3) /dev/<disk_name><decimal> represents the device name and number
+ of partition - device number of disk plus the partition number
+ 4) /dev/<disk_name>p<decimal> - same as the above, this form is
+ used when disk name of partitioned disk ends with a digit.
+ 5) PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF representing the
+ unique id of a partition if the partition table provides it.
+ The UUID may be either an EFI/GPT UUID, or refer to an MSDOS
+ partition using the format SSSSSSSS-PP, where SSSSSSSS is a zero-
+ filled hex representation of the 32-bit "NT disk signature", and PP
+ is a zero-filled hex representation of the 1-based partition number.
+ 6) PARTUUID=<UUID>/PARTNROFF=<int> to select a partition in relation
+ to a partition with a known unique id.
+ 7) <major>:<minor> major and minor number of the device separated by
+ a colon.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
+
+config PSTORE_BLK_KMSG_SIZE
+ int "Size in Kbytes of kmsg dump log to store"
+ depends on PSTORE_BLK
+ default 64
+ help
+ This just sets size of kmsg dump (oops, panic, etc) log for
+ pstore/blk. The size is in KB and must be a multiple of 4.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
+
+config PSTORE_BLK_MAX_REASON
+ int "Maximum kmsg dump reason to store"
+ depends on PSTORE_BLK
+ default 2
+ help
+ The maximum reason for kmsg dumps to store. The default is
+ 2 (KMSG_DUMP_OOPS), see include/linux/kmsg_dump.h's
+ enum kmsg_dump_reason for more details.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
+
+config PSTORE_BLK_PMSG_SIZE
+ int "Size in Kbytes of pmsg to store"
+ depends on PSTORE_BLK
+ depends on PSTORE_PMSG
+ default 64
+ help
+ This just sets size of pmsg (pmsg_size) for pstore/blk. The size is
+ in KB and must be a multiple of 4.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
+
+config PSTORE_BLK_CONSOLE_SIZE
+ int "Size in Kbytes of console log to store"
+ depends on PSTORE_BLK
+ depends on PSTORE_CONSOLE
+ default 64
+ help
+ This just sets size of console log (console_size) to store via
+ pstore/blk. The size is in KB and must be a multiple of 4.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
+
+config PSTORE_BLK_FTRACE_SIZE
+ int "Size in Kbytes of ftrace log to store"
+ depends on PSTORE_BLK
+ depends on PSTORE_FTRACE
+ default 64
+ help
+ This just sets size of ftrace log (ftrace_size) for pstore/blk. The
+ size is in KB and must be a multiple of 4.
+
+ NOTE that, both Kconfig and module parameters can configure
+ pstore/blk, but module parameters have priority over Kconfig.
diff --git a/fs/pstore/Makefile b/fs/pstore/Makefile
index 967b5891f325..c270467aeece 100644
--- a/fs/pstore/Makefile
+++ b/fs/pstore/Makefile
@@ -12,3 +12,9 @@ pstore-$(CONFIG_PSTORE_PMSG) += pmsg.o
ramoops-objs += ram.o ram_core.o
obj-$(CONFIG_PSTORE_RAM) += ramoops.o
+
+pstore_zone-objs += zone.o
+obj-$(CONFIG_PSTORE_ZONE) += pstore_zone.o
+
+pstore_blk-objs += blk.o
+obj-$(CONFIG_PSTORE_BLK) += pstore_blk.o
diff --git a/fs/pstore/blk.c b/fs/pstore/blk.c
new file mode 100644
index 000000000000..fcd5563dde06
--- /dev/null
+++ b/fs/pstore/blk.c
@@ -0,0 +1,517 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Implements pstore backend driver that write to block (or non-block) storage
+ * devices, using the pstore/zone API.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "../../block/blk.h"
+#include <linux/blkdev.h>
+#include <linux/string.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/platform_device.h>
+#include <linux/pstore_blk.h>
+#include <linux/mount.h>
+#include <linux/uio.h>
+
+static long kmsg_size = CONFIG_PSTORE_BLK_KMSG_SIZE;
+module_param(kmsg_size, long, 0400);
+MODULE_PARM_DESC(kmsg_size, "kmsg dump record size in kbytes");
+
+static int max_reason = CONFIG_PSTORE_BLK_MAX_REASON;
+module_param(max_reason, int, 0400);
+MODULE_PARM_DESC(max_reason,
+ "maximum reason for kmsg dump (default 2: Oops and Panic)");
+
+#if IS_ENABLED(CONFIG_PSTORE_PMSG)
+static long pmsg_size = CONFIG_PSTORE_BLK_PMSG_SIZE;
+#else
+static long pmsg_size = -1;
+#endif
+module_param(pmsg_size, long, 0400);
+MODULE_PARM_DESC(pmsg_size, "pmsg size in kbytes");
+
+#if IS_ENABLED(CONFIG_PSTORE_CONSOLE)
+static long console_size = CONFIG_PSTORE_BLK_CONSOLE_SIZE;
+#else
+static long console_size = -1;
+#endif
+module_param(console_size, long, 0400);
+MODULE_PARM_DESC(console_size, "console size in kbytes");
+
+#if IS_ENABLED(CONFIG_PSTORE_FTRACE)
+static long ftrace_size = CONFIG_PSTORE_BLK_FTRACE_SIZE;
+#else
+static long ftrace_size = -1;
+#endif
+module_param(ftrace_size, long, 0400);
+MODULE_PARM_DESC(ftrace_size, "ftrace size in kbytes");
+
+static bool best_effort;
+module_param(best_effort, bool, 0400);
+MODULE_PARM_DESC(best_effort, "use best effort to write (i.e. do not require storage driver pstore support, default: off)");
+
+/*
+ * blkdev - the block device to use for pstore storage
+ *
+ * Usually, this will be a partition of a block device.
+ *
+ * blkdev accepts the following variants:
+ * 1) <hex_major><hex_minor> device number in hexadecimal representation,
+ * with no leading 0x, for example b302.
+ * 2) /dev/<disk_name> represents the device number of disk
+ * 3) /dev/<disk_name><decimal> represents the device number
+ * of partition - device number of disk plus the partition number
+ * 4) /dev/<disk_name>p<decimal> - same as the above, that form is
+ * used when disk name of partitioned disk ends on a digit.
+ * 5) PARTUUID=00112233-4455-6677-8899-AABBCCDDEEFF representing the
+ * unique id of a partition if the partition table provides it.
+ * The UUID may be either an EFI/GPT UUID, or refer to an MSDOS
+ * partition using the format SSSSSSSS-PP, where SSSSSSSS is a zero-
+ * filled hex representation of the 32-bit "NT disk signature", and PP
+ * is a zero-filled hex representation of the 1-based partition number.
+ * 6) PARTUUID=<UUID>/PARTNROFF=<int> to select a partition in relation to
+ * a partition with a known unique id.
+ * 7) <major>:<minor> major and minor number of the device separated by
+ * a colon.
+ */
+static char blkdev[80] = CONFIG_PSTORE_BLK_BLKDEV;
+module_param_string(blkdev, blkdev, 80, 0400);
+MODULE_PARM_DESC(blkdev, "block device for pstore storage");
+
+/*
+ * All globals must only be accessed under the pstore_blk_lock
+ * during the register/unregister functions.
+ */
+static DEFINE_MUTEX(pstore_blk_lock);
+static struct block_device *psblk_bdev;
+static struct pstore_zone_info *pstore_zone_info;
+static pstore_blk_panic_write_op blkdev_panic_write;
+
+struct bdev_info {
+ dev_t devt;
+ sector_t nr_sects;
+ sector_t start_sect;
+};
+
+#define check_size(name, alignsize) ({ \
+ long _##name_ = (name); \
+ _##name_ = _##name_ <= 0 ? 0 : (_##name_ * 1024); \
+ if (_##name_ & ((alignsize) - 1)) { \
+ pr_info(#name " must align to %d\n", \
+ (alignsize)); \
+ _##name_ = ALIGN(name, (alignsize)); \
+ } \
+ _##name_; \
+})
+
+static int __register_pstore_device(struct pstore_device_info *dev)
+{
+ int ret;
+
+ lockdep_assert_held(&pstore_blk_lock);
+
+ if (!dev || !dev->total_size || !dev->read || !dev->write)
+ return -EINVAL;
+
+ /* someone already registered before */
+ if (pstore_zone_info)
+ return -EBUSY;
+
+ pstore_zone_info = kzalloc(sizeof(struct pstore_zone_info), GFP_KERNEL);
+ if (!pstore_zone_info)
+ return -ENOMEM;
+
+ /* zero means not limit on which backends to attempt to store. */
+ if (!dev->flags)
+ dev->flags = UINT_MAX;
+
+#define verify_size(name, alignsize, enabled) { \
+ long _##name_; \
+ if (enabled) \
+ _##name_ = check_size(name, alignsize); \
+ else \
+ _##name_ = 0; \
+ name = _##name_ / 1024; \
+ pstore_zone_info->name = _##name_; \
+ }
+
+ verify_size(kmsg_size, 4096, dev->flags & PSTORE_FLAGS_DMESG);
+ verify_size(pmsg_size, 4096, dev->flags & PSTORE_FLAGS_PMSG);
+ verify_size(console_size, 4096, dev->flags & PSTORE_FLAGS_CONSOLE);
+ verify_size(ftrace_size, 4096, dev->flags & PSTORE_FLAGS_FTRACE);
+#undef verify_size
+
+ pstore_zone_info->total_size = dev->total_size;
+ pstore_zone_info->max_reason = max_reason;
+ pstore_zone_info->read = dev->read;
+ pstore_zone_info->write = dev->write;
+ pstore_zone_info->erase = dev->erase;
+ pstore_zone_info->panic_write = dev->panic_write;
+ pstore_zone_info->name = KBUILD_MODNAME;
+ pstore_zone_info->owner = THIS_MODULE;
+
+ ret = register_pstore_zone(pstore_zone_info);
+ if (ret) {
+ kfree(pstore_zone_info);
+ pstore_zone_info = NULL;
+ }
+ return ret;
+}
+/**
+ * register_pstore_device() - register non-block device to pstore/blk
+ *
+ * @dev: non-block device information
+ *
+ * Return:
+ * * 0 - OK
+ * * Others - something error.
+ */
+int register_pstore_device(struct pstore_device_info *dev)
+{
+ int ret;
+
+ mutex_lock(&pstore_blk_lock);
+ ret = __register_pstore_device(dev);
+ mutex_unlock(&pstore_blk_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(register_pstore_device);
+
+static void __unregister_pstore_device(struct pstore_device_info *dev)
+{
+ lockdep_assert_held(&pstore_blk_lock);
+ if (pstore_zone_info && pstore_zone_info->read == dev->read) {
+ unregister_pstore_zone(pstore_zone_info);
+ kfree(pstore_zone_info);
+ pstore_zone_info = NULL;
+ }
+}
+
+/**
+ * unregister_pstore_device() - unregister non-block device from pstore/blk
+ *
+ * @dev: non-block device information
+ */
+void unregister_pstore_device(struct pstore_device_info *dev)
+{
+ mutex_lock(&pstore_blk_lock);
+ __unregister_pstore_device(dev);
+ mutex_unlock(&pstore_blk_lock);
+}
+EXPORT_SYMBOL_GPL(unregister_pstore_device);
+
+/**
+ * psblk_get_bdev() - open block device
+ *
+ * @holder: Exclusive holder identifier
+ * @info: Information about bdev to fill in
+ *
+ * Return: pointer to block device on success and others on error.
+ *
+ * On success, the returned block_device has reference count of one.
+ */
+static struct block_device *psblk_get_bdev(void *holder,
+ struct bdev_info *info)
+{
+ struct block_device *bdev = ERR_PTR(-ENODEV);
+ fmode_t mode = FMODE_READ | FMODE_WRITE;
+ sector_t nr_sects;
+
+ lockdep_assert_held(&pstore_blk_lock);
+
+ if (pstore_zone_info)
+ return ERR_PTR(-EBUSY);
+
+ if (!blkdev[0])
+ return ERR_PTR(-ENODEV);
+
+ if (holder)
+ mode |= FMODE_EXCL;
+ bdev = blkdev_get_by_path(blkdev, mode, holder);
+ if (IS_ERR(bdev)) {
+ dev_t devt;
+
+ devt = name_to_dev_t(blkdev);
+ if (devt == 0)
+ return ERR_PTR(-ENODEV);
+ bdev = blkdev_get_by_dev(devt, mode, holder);
+ if (IS_ERR(bdev))
+ return bdev;
+ }
+
+ nr_sects = part_nr_sects_read(bdev->bd_part);
+ if (!nr_sects) {
+ pr_err("not enough space for '%s'\n", blkdev);
+ blkdev_put(bdev, mode);
+ return ERR_PTR(-ENOSPC);
+ }
+
+ if (info) {
+ info->devt = bdev->bd_dev;
+ info->nr_sects = nr_sects;
+ info->start_sect = get_start_sect(bdev);
+ }
+
+ return bdev;
+}
+
+static void psblk_put_bdev(struct block_device *bdev, void *holder)
+{
+ fmode_t mode = FMODE_READ | FMODE_WRITE;
+
+ lockdep_assert_held(&pstore_blk_lock);
+
+ if (!bdev)
+ return;
+
+ if (holder)
+ mode |= FMODE_EXCL;
+ blkdev_put(bdev, mode);
+}
+
+static ssize_t psblk_generic_blk_read(char *buf, size_t bytes, loff_t pos)
+{
+ struct block_device *bdev = psblk_bdev;
+ struct file file;
+ struct kiocb kiocb;
+ struct iov_iter iter;
+ struct kvec iov = {.iov_base = buf, .iov_len = bytes};
+
+ if (!bdev)
+ return -ENODEV;
+
+ memset(&file, 0, sizeof(struct file));
+ file.f_mapping = bdev->bd_inode->i_mapping;
+ file.f_flags = O_DSYNC | __O_SYNC | O_NOATIME;
+ file.f_inode = bdev->bd_inode;
+ file_ra_state_init(&file.f_ra, file.f_mapping);
+
+ init_sync_kiocb(&kiocb, &file);
+ kiocb.ki_pos = pos;
+ iov_iter_kvec(&iter, READ, &iov, 1, bytes);
+
+ return generic_file_read_iter(&kiocb, &iter);
+}
+
+static ssize_t psblk_generic_blk_write(const char *buf, size_t bytes,
+ loff_t pos)
+{
+ struct block_device *bdev = psblk_bdev;
+ struct iov_iter iter;
+ struct kiocb kiocb;
+ struct file file;
+ ssize_t ret;
+ struct kvec iov = {.iov_base = (void *)buf, .iov_len = bytes};
+
+ if (!bdev)
+ return -ENODEV;
+
+ /* Console/Ftrace backend may handle buffer until flush dirty zones */
+ if (in_interrupt() || irqs_disabled())
+ return -EBUSY;
+
+ memset(&file, 0, sizeof(struct file));
+ file.f_mapping = bdev->bd_inode->i_mapping;
+ file.f_flags = O_DSYNC | __O_SYNC | O_NOATIME;
+ file.f_inode = bdev->bd_inode;
+
+ init_sync_kiocb(&kiocb, &file);
+ kiocb.ki_pos = pos;
+ iov_iter_kvec(&iter, WRITE, &iov, 1, bytes);
+
+ inode_lock(bdev->bd_inode);
+ ret = generic_write_checks(&kiocb, &iter);
+ if (ret > 0)
+ ret = generic_perform_write(&file, &iter, pos);
+ inode_unlock(bdev->bd_inode);
+
+ if (likely(ret > 0)) {
+ const struct file_operations f_op = {.fsync = blkdev_fsync};
+
+ file.f_op = &f_op;
+ kiocb.ki_pos += ret;
+ ret = generic_write_sync(&kiocb, ret);
+ }
+ return ret;
+}
+
+static ssize_t psblk_blk_panic_write(const char *buf, size_t size,
+ loff_t off)
+{
+ int ret;
+
+ if (!blkdev_panic_write)
+ return -EOPNOTSUPP;
+
+ /* size and off must align to SECTOR_SIZE for block device */
+ ret = blkdev_panic_write(buf, off >> SECTOR_SHIFT,
+ size >> SECTOR_SHIFT);
+ /* try next zone */
+ if (ret == -ENOMSG)
+ return ret;
+ return ret ? -EIO : size;
+}
+
+static int __register_pstore_blk(struct pstore_blk_info *info)
+{
+ char bdev_name[BDEVNAME_SIZE];
+ struct block_device *bdev;
+ struct pstore_device_info dev;
+ struct bdev_info binfo;
+ void *holder = blkdev;
+ int ret = -ENODEV;
+
+ lockdep_assert_held(&pstore_blk_lock);
+
+ /* hold bdev exclusively */
+ memset(&binfo, 0, sizeof(binfo));
+ bdev = psblk_get_bdev(holder, &binfo);
+ if (IS_ERR(bdev)) {
+ pr_err("failed to open '%s'!\n", blkdev);
+ return PTR_ERR(bdev);
+ }
+
+ /* only allow driver matching the @blkdev */
+ if (!binfo.devt || (!best_effort &&
+ MAJOR(binfo.devt) != info->major)) {
+ pr_debug("invalid major %u (expect %u)\n",
+ info->major, MAJOR(binfo.devt));
+ ret = -ENODEV;
+ goto err_put_bdev;
+ }
+
+ /* psblk_bdev must be assigned before register to pstore/blk */
+ psblk_bdev = bdev;
+ blkdev_panic_write = info->panic_write;
+
+ /* Copy back block device details. */
+ info->devt = binfo.devt;
+ info->nr_sects = binfo.nr_sects;
+ info->start_sect = binfo.start_sect;
+
+ memset(&dev, 0, sizeof(dev));
+ dev.total_size = info->nr_sects << SECTOR_SHIFT;
+ dev.flags = info->flags;
+ dev.read = psblk_generic_blk_read;
+ dev.write = psblk_generic_blk_write;
+ dev.erase = NULL;
+ dev.panic_write = info->panic_write ? psblk_blk_panic_write : NULL;
+
+ ret = __register_pstore_device(&dev);
+ if (ret)
+ goto err_put_bdev;
+
+ bdevname(bdev, bdev_name);
+ pr_info("attached %s%s\n", bdev_name,
+ info->panic_write ? "" : " (no dedicated panic_write!)");
+ return 0;
+
+err_put_bdev:
+ psblk_bdev = NULL;
+ blkdev_panic_write = NULL;
+ psblk_put_bdev(bdev, holder);
+ return ret;
+}
+
+/**
+ * register_pstore_blk() - register block device to pstore/blk
+ *
+ * @info: details on the desired block device interface
+ *
+ * Return:
+ * * 0 - OK
+ * * Others - something error.
+ */
+int register_pstore_blk(struct pstore_blk_info *info)
+{
+ int ret;
+
+ mutex_lock(&pstore_blk_lock);
+ ret = __register_pstore_blk(info);
+ mutex_unlock(&pstore_blk_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(register_pstore_blk);
+
+static void __unregister_pstore_blk(unsigned int major)
+{
+ struct pstore_device_info dev = { .read = psblk_generic_blk_read };
+ void *holder = blkdev;
+
+ lockdep_assert_held(&pstore_blk_lock);
+ if (psblk_bdev && MAJOR(psblk_bdev->bd_dev) == major) {
+ __unregister_pstore_device(&dev);
+ psblk_put_bdev(psblk_bdev, holder);
+ blkdev_panic_write = NULL;
+ psblk_bdev = NULL;
+ }
+}
+
+/**
+ * unregister_pstore_blk() - unregister block device from pstore/blk
+ *
+ * @major: the major device number of device
+ */
+void unregister_pstore_blk(unsigned int major)
+{
+ mutex_lock(&pstore_blk_lock);
+ __unregister_pstore_blk(major);
+ mutex_unlock(&pstore_blk_lock);
+}
+EXPORT_SYMBOL_GPL(unregister_pstore_blk);
+
+/* get information of pstore/blk */
+int pstore_blk_get_config(struct pstore_blk_config *info)
+{
+ strncpy(info->device, blkdev, 80);
+ info->max_reason = max_reason;
+ info->kmsg_size = check_size(kmsg_size, 4096);
+ info->pmsg_size = check_size(pmsg_size, 4096);
+ info->ftrace_size = check_size(ftrace_size, 4096);
+ info->console_size = check_size(console_size, 4096);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pstore_blk_get_config);
+
+static int __init pstore_blk_init(void)
+{
+ struct pstore_blk_info info = { };
+ int ret = 0;
+
+ mutex_lock(&pstore_blk_lock);
+ if (!pstore_zone_info && best_effort && blkdev[0])
+ ret = __register_pstore_blk(&info);
+ mutex_unlock(&pstore_blk_lock);
+
+ return ret;
+}
+late_initcall(pstore_blk_init);
+
+static void __exit pstore_blk_exit(void)
+{
+ mutex_lock(&pstore_blk_lock);
+ if (psblk_bdev)
+ __unregister_pstore_blk(MAJOR(psblk_bdev->bd_dev));
+ else {
+ struct pstore_device_info dev = { };
+
+ if (pstore_zone_info)
+ dev.read = pstore_zone_info->read;
+ __unregister_pstore_device(&dev);
+ }
+ mutex_unlock(&pstore_blk_lock);
+}
+module_exit(pstore_blk_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("WeiXiong Liao <liaoweixiong@allwinnertech.com>");
+MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
+MODULE_DESCRIPTION("pstore backend for block devices");
diff --git a/fs/pstore/ftrace.c b/fs/pstore/ftrace.c
index bfbfc2698070..5c0450701293 100644
--- a/fs/pstore/ftrace.c
+++ b/fs/pstore/ftrace.c
@@ -16,6 +16,7 @@
#include <linux/debugfs.h>
#include <linux/err.h>
#include <linux/cache.h>
+#include <linux/slab.h>
#include <asm/barrier.h>
#include "internal.h"
@@ -132,3 +133,56 @@ void pstore_unregister_ftrace(void)
debugfs_remove_recursive(pstore_ftrace_dir);
}
+
+ssize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,
+ const char *src_log, size_t src_log_size)
+{
+ size_t dest_size, src_size, total, dest_off, src_off;
+ size_t dest_idx = 0, src_idx = 0, merged_idx = 0;
+ void *merged_buf;
+ struct pstore_ftrace_record *drec, *srec, *mrec;
+ size_t record_size = sizeof(struct pstore_ftrace_record);
+
+ dest_off = *dest_log_size % record_size;
+ dest_size = *dest_log_size - dest_off;
+
+ src_off = src_log_size % record_size;
+ src_size = src_log_size - src_off;
+
+ total = dest_size + src_size;
+ merged_buf = kmalloc(total, GFP_KERNEL);
+ if (!merged_buf)
+ return -ENOMEM;
+
+ drec = (struct pstore_ftrace_record *)(*dest_log + dest_off);
+ srec = (struct pstore_ftrace_record *)(src_log + src_off);
+ mrec = (struct pstore_ftrace_record *)(merged_buf);
+
+ while (dest_size > 0 && src_size > 0) {
+ if (pstore_ftrace_read_timestamp(&drec[dest_idx]) <
+ pstore_ftrace_read_timestamp(&srec[src_idx])) {
+ mrec[merged_idx++] = drec[dest_idx++];
+ dest_size -= record_size;
+ } else {
+ mrec[merged_idx++] = srec[src_idx++];
+ src_size -= record_size;
+ }
+ }
+
+ while (dest_size > 0) {
+ mrec[merged_idx++] = drec[dest_idx++];
+ dest_size -= record_size;
+ }
+
+ while (src_size > 0) {
+ mrec[merged_idx++] = srec[src_idx++];
+ src_size -= record_size;
+ }
+
+ kfree(*dest_log);
+ *dest_log = merged_buf;
+ *dest_log_size = total;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pstore_ftrace_combine_log);
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index d99b5d39aa90..c331efe8de95 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -22,18 +22,21 @@
#include <linux/magic.h>
#include <linux/pstore.h>
#include <linux/slab.h>
-#include <linux/spinlock.h>
#include <linux/uaccess.h>
#include "internal.h"
#define PSTORE_NAMELEN 64
-static DEFINE_SPINLOCK(allpstore_lock);
-static LIST_HEAD(allpstore);
+static DEFINE_MUTEX(records_list_lock);
+static LIST_HEAD(records_list);
+
+static DEFINE_MUTEX(pstore_sb_lock);
+static struct super_block *pstore_sb;
struct pstore_private {
struct list_head list;
+ struct dentry *dentry;
struct pstore_record *record;
size_t total_size;
};
@@ -178,10 +181,22 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
{
struct pstore_private *p = d_inode(dentry)->i_private;
struct pstore_record *record = p->record;
+ int rc = 0;
if (!record->psi->erase)
return -EPERM;
+ /* Make sure we can't race while removing this file. */
+ mutex_lock(&records_list_lock);
+ if (!list_empty(&p->list))
+ list_del_init(&p->list);
+ else
+ rc = -ENOENT;
+ p->dentry = NULL;
+ mutex_unlock(&records_list_lock);
+ if (rc)
+ return rc;
+
mutex_lock(&record->psi->read_mutex);
record->psi->erase(record);
mutex_unlock(&record->psi->read_mutex);
@@ -192,15 +207,9 @@ static int pstore_unlink(struct inode *dir, struct dentry *dentry)
static void pstore_evict_inode(struct inode *inode)
{
struct pstore_private *p = inode->i_private;
- unsigned long flags;
clear_inode(inode);
- if (p) {
- spin_lock_irqsave(&allpstore_lock, flags);
- list_del(&p->list);
- spin_unlock_irqrestore(&allpstore_lock, flags);
- free_pstore_private(p);
- }
+ free_pstore_private(p);
}
static const struct inode_operations pstore_dir_inode_operations = {
@@ -278,11 +287,54 @@ static const struct super_operations pstore_ops = {
.show_options = pstore_show_options,
};
-static struct super_block *pstore_sb;
+static struct dentry *psinfo_lock_root(void)
+{
+ struct dentry *root;
-bool pstore_is_mounted(void)
+ mutex_lock(&pstore_sb_lock);
+ /*
+ * Having no backend is fine -- no records appear.
+ * Not being mounted is fine -- nothing to do.
+ */
+ if (!psinfo || !pstore_sb) {
+ mutex_unlock(&pstore_sb_lock);
+ return NULL;
+ }
+
+ root = pstore_sb->s_root;
+ inode_lock(d_inode(root));
+ mutex_unlock(&pstore_sb_lock);
+
+ return root;
+}
+
+int pstore_put_backend_records(struct pstore_info *psi)
{
- return pstore_sb != NULL;
+ struct pstore_private *pos, *tmp;
+ struct dentry *root;
+ int rc = 0;
+
+ root = psinfo_lock_root();
+ if (!root)
+ return 0;
+
+ mutex_lock(&records_list_lock);
+ list_for_each_entry_safe(pos, tmp, &records_list, list) {
+ if (pos->record->psi == psi) {
+ list_del_init(&pos->list);
+ rc = simple_unlink(d_inode(root), pos->dentry);
+ if (WARN_ON(rc))
+ break;
+ d_drop(pos->dentry);
+ dput(pos->dentry);
+ pos->dentry = NULL;
+ }
+ }
+ mutex_unlock(&records_list_lock);
+
+ inode_unlock(d_inode(root));
+
+ return rc;
}
/*
@@ -297,23 +349,20 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
int rc = 0;
char name[PSTORE_NAMELEN];
struct pstore_private *private, *pos;
- unsigned long flags;
size_t size = record->size + record->ecc_notice_size;
- WARN_ON(!inode_is_locked(d_inode(root)));
+ if (WARN_ON(!inode_is_locked(d_inode(root))))
+ return -EINVAL;
- spin_lock_irqsave(&allpstore_lock, flags);
- list_for_each_entry(pos, &allpstore, list) {
+ rc = -EEXIST;
+ /* Skip records that are already present in the filesystem. */
+ mutex_lock(&records_list_lock);
+ list_for_each_entry(pos, &records_list, list) {
if (pos->record->type == record->type &&
pos->record->id == record->id &&
- pos->record->psi == record->psi) {
- rc = -EEXIST;
- break;
- }
+ pos->record->psi == record->psi)
+ goto fail;
}
- spin_unlock_irqrestore(&allpstore_lock, flags);
- if (rc)
- return rc;
rc = -ENOMEM;
inode = pstore_get_inode(root->d_sb);
@@ -334,6 +383,7 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
if (!dentry)
goto fail_private;
+ private->dentry = dentry;
private->record = record;
inode->i_size = private->total_size = size;
inode->i_private = private;
@@ -343,9 +393,8 @@ int pstore_mkfile(struct dentry *root, struct pstore_record *record)
d_add(dentry, inode);
- spin_lock_irqsave(&allpstore_lock, flags);
- list_add(&private->list, &allpstore);
- spin_unlock_irqrestore(&allpstore_lock, flags);
+ list_add(&private->list, &records_list);
+ mutex_unlock(&records_list_lock);
return 0;
@@ -353,8 +402,8 @@ fail_private:
free_pstore_private(private);
fail_inode:
iput(inode);
-
fail:
+ mutex_unlock(&records_list_lock);
return rc;
}
@@ -366,16 +415,13 @@ fail:
*/
void pstore_get_records(int quiet)
{
- struct pstore_info *psi = psinfo;
struct dentry *root;
- if (!psi || !pstore_sb)
+ root = psinfo_lock_root();
+ if (!root)
return;
- root = pstore_sb->s_root;
-
- inode_lock(d_inode(root));
- pstore_get_backend_records(psi, root, quiet);
+ pstore_get_backend_records(psinfo, root, quiet);
inode_unlock(d_inode(root));
}
@@ -383,8 +429,6 @@ static int pstore_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
- pstore_sb = sb;
-
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_SIZE;
sb->s_blocksize_bits = PAGE_SHIFT;
@@ -405,6 +449,10 @@ static int pstore_fill_super(struct super_block *sb, void *data, int silent)
if (!sb->s_root)
return -ENOMEM;
+ mutex_lock(&pstore_sb_lock);
+ pstore_sb = sb;
+ mutex_unlock(&pstore_sb_lock);
+
pstore_get_records(0);
return 0;
@@ -418,8 +466,17 @@ static struct dentry *pstore_mount(struct file_system_type *fs_type,
static void pstore_kill_sb(struct super_block *sb)
{
+ mutex_lock(&pstore_sb_lock);
+ WARN_ON(pstore_sb != sb);
+
kill_litter_super(sb);
pstore_sb = NULL;
+
+ mutex_lock(&records_list_lock);
+ INIT_LIST_HEAD(&records_list);
+ mutex_unlock(&records_list_lock);
+
+ mutex_unlock(&pstore_sb_lock);
}
static struct file_system_type pstore_fs_type = {
diff --git a/fs/pstore/internal.h b/fs/pstore/internal.h
index 7062ea4bc57c..7fb219042f13 100644
--- a/fs/pstore/internal.h
+++ b/fs/pstore/internal.h
@@ -12,9 +12,18 @@ extern unsigned long kmsg_bytes;
#ifdef CONFIG_PSTORE_FTRACE
extern void pstore_register_ftrace(void);
extern void pstore_unregister_ftrace(void);
+ssize_t pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,
+ const char *src_log, size_t src_log_size);
#else
static inline void pstore_register_ftrace(void) {}
static inline void pstore_unregister_ftrace(void) {}
+static inline ssize_t
+pstore_ftrace_combine_log(char **dest_log, size_t *dest_log_size,
+ const char *src_log, size_t src_log_size)
+{
+ *dest_log_size = 0;
+ return 0;
+}
#endif
#ifdef CONFIG_PSTORE_PMSG
@@ -31,9 +40,9 @@ extern void pstore_set_kmsg_bytes(int);
extern void pstore_get_records(int);
extern void pstore_get_backend_records(struct pstore_info *psi,
struct dentry *root, int quiet);
+extern int pstore_put_backend_records(struct pstore_info *psi);
extern int pstore_mkfile(struct dentry *root,
struct pstore_record *record);
-extern bool pstore_is_mounted(void);
extern void pstore_record_init(struct pstore_record *record,
struct pstore_info *psi);
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 408277ee3cdb..a9e297eefdff 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -44,7 +44,7 @@ static int pstore_update_ms = -1;
module_param_named(update_ms, pstore_update_ms, int, 0600);
MODULE_PARM_DESC(update_ms, "milliseconds before pstore updates its content "
"(default is -1, which means runtime updates are disabled; "
- "enabling this option is not safe, it may lead to further "
+ "enabling this option may not be safe; it may lead to further "
"corruption on Oopses)");
/* Names should be in the same order as the enum pstore_type_id */
@@ -69,19 +69,25 @@ static void pstore_dowork(struct work_struct *);
static DECLARE_WORK(pstore_work, pstore_dowork);
/*
- * pstore_lock just protects "psinfo" during
- * calls to pstore_register()
+ * psinfo_lock protects "psinfo" during calls to
+ * pstore_register(), pstore_unregister(), and
+ * the filesystem mount/unmount routines.
*/
-static DEFINE_SPINLOCK(pstore_lock);
+static DEFINE_MUTEX(psinfo_lock);
struct pstore_info *psinfo;
static char *backend;
+module_param(backend, charp, 0444);
+MODULE_PARM_DESC(backend, "specific backend to use");
+
static char *compress =
#ifdef CONFIG_PSTORE_COMPRESS_DEFAULT
CONFIG_PSTORE_COMPRESS_DEFAULT;
#else
NULL;
#endif
+module_param(compress, charp, 0444);
+MODULE_PARM_DESC(compress, "compression to use");
/* Compression parameters */
static struct crypto_comp *tfm;
@@ -129,24 +135,12 @@ enum pstore_type_id pstore_name_to_type(const char *name)
}
EXPORT_SYMBOL_GPL(pstore_name_to_type);
-static const char *get_reason_str(enum kmsg_dump_reason reason)
+static void pstore_timer_kick(void)
{
- switch (reason) {
- case KMSG_DUMP_PANIC:
- return "Panic";
- case KMSG_DUMP_OOPS:
- return "Oops";
- case KMSG_DUMP_EMERG:
- return "Emergency";
- case KMSG_DUMP_RESTART:
- return "Restart";
- case KMSG_DUMP_HALT:
- return "Halt";
- case KMSG_DUMP_POWEROFF:
- return "Poweroff";
- default:
- return "Unknown";
- }
+ if (pstore_update_ms < 0)
+ return;
+
+ mod_timer(&pstore_timer, jiffies + msecs_to_jiffies(pstore_update_ms));
}
/*
@@ -393,7 +387,7 @@ static void pstore_dump(struct kmsg_dumper *dumper,
unsigned int part = 1;
int ret;
- why = get_reason_str(reason);
+ why = kmsg_dump_reason_str(reason);
if (down_trylock(&psinfo->buf_lock)) {
/* Failed to acquire lock: give up if we cannot wait. */
@@ -459,8 +453,10 @@ static void pstore_dump(struct kmsg_dumper *dumper,
}
ret = psinfo->write(&record);
- if (ret == 0 && reason == KMSG_DUMP_OOPS && pstore_is_mounted())
+ if (ret == 0 && reason == KMSG_DUMP_OOPS) {
pstore_new_entry = 1;
+ pstore_timer_kick();
+ }
total += record.size;
part++;
@@ -503,14 +499,20 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c)
}
static struct console pstore_console = {
- .name = "pstore",
.write = pstore_console_write,
- .flags = CON_PRINTBUFFER | CON_ENABLED | CON_ANYTIME,
.index = -1,
};
static void pstore_register_console(void)
{
+ /* Show which backend is going to get console writes. */
+ strscpy(pstore_console.name, psinfo->name,
+ sizeof(pstore_console.name));
+ /*
+ * Always initialize flags here since prior unregister_console()
+ * calls may have changed settings (specifically CON_ENABLED).
+ */
+ pstore_console.flags = CON_PRINTBUFFER | CON_ENABLED | CON_ANYTIME;
register_console(&pstore_console);
}
@@ -555,8 +557,6 @@ out:
*/
int pstore_register(struct pstore_info *psi)
{
- struct module *owner = psi->owner;
-
if (backend && strcmp(backend, psi->name)) {
pr_warn("ignoring unexpected backend '%s'\n", psi->name);
return -EPERM;
@@ -576,11 +576,11 @@ int pstore_register(struct pstore_info *psi)
return -EINVAL;
}
- spin_lock(&pstore_lock);
+ mutex_lock(&psinfo_lock);
if (psinfo) {
pr_warn("backend '%s' already loaded: ignoring '%s'\n",
psinfo->name, psi->name);
- spin_unlock(&pstore_lock);
+ mutex_unlock(&psinfo_lock);
return -EBUSY;
}
@@ -589,21 +589,16 @@ int pstore_register(struct pstore_info *psi)
psinfo = psi;
mutex_init(&psinfo->read_mutex);
sema_init(&psinfo->buf_lock, 1);
- spin_unlock(&pstore_lock);
-
- if (owner && !try_module_get(owner)) {
- psinfo = NULL;
- return -EINVAL;
- }
if (psi->flags & PSTORE_FLAGS_DMESG)
allocate_buf_for_compression();
- if (pstore_is_mounted())
- pstore_get_records(0);
+ pstore_get_records(0);
- if (psi->flags & PSTORE_FLAGS_DMESG)
+ if (psi->flags & PSTORE_FLAGS_DMESG) {
+ pstore_dumper.max_reason = psinfo->max_reason;
pstore_register_kmsg();
+ }
if (psi->flags & PSTORE_FLAGS_CONSOLE)
pstore_register_console();
if (psi->flags & PSTORE_FLAGS_FTRACE)
@@ -612,33 +607,36 @@ int pstore_register(struct pstore_info *psi)
pstore_register_pmsg();
/* Start watching for new records, if desired. */
- if (pstore_update_ms >= 0) {
- pstore_timer.expires = jiffies +
- msecs_to_jiffies(pstore_update_ms);
- add_timer(&pstore_timer);
- }
+ pstore_timer_kick();
/*
* Update the module parameter backend, so it is visible
* through /sys/module/pstore/parameters/backend
*/
- backend = psi->name;
+ backend = kstrdup(psi->name, GFP_KERNEL);
pr_info("Registered %s as persistent store backend\n", psi->name);
- module_put(owner);
-
+ mutex_unlock(&psinfo_lock);
return 0;
}
EXPORT_SYMBOL_GPL(pstore_register);
void pstore_unregister(struct pstore_info *psi)
{
- /* Stop timer and make sure all work has finished. */
- pstore_update_ms = -1;
- del_timer_sync(&pstore_timer);
- flush_work(&pstore_work);
+ /* It's okay to unregister nothing. */
+ if (!psi)
+ return;
+
+ mutex_lock(&psinfo_lock);
+
+ /* Only one backend can be registered at a time. */
+ if (WARN_ON(psi != psinfo)) {
+ mutex_unlock(&psinfo_lock);
+ return;
+ }
+ /* Unregister all callbacks. */
if (psi->flags & PSTORE_FLAGS_PMSG)
pstore_unregister_pmsg();
if (psi->flags & PSTORE_FLAGS_FTRACE)
@@ -648,10 +646,19 @@ void pstore_unregister(struct pstore_info *psi)
if (psi->flags & PSTORE_FLAGS_DMESG)
pstore_unregister_kmsg();
+ /* Stop timer and make sure all work has finished. */
+ del_timer_sync(&pstore_timer);
+ flush_work(&pstore_work);
+
+ /* Remove all backend records from filesystem tree. */
+ pstore_put_backend_records(psi);
+
free_buf_for_compression();
psinfo = NULL;
+ kfree(backend);
backend = NULL;
+ mutex_unlock(&psinfo_lock);
}
EXPORT_SYMBOL_GPL(pstore_unregister);
@@ -788,9 +795,7 @@ static void pstore_timefunc(struct timer_list *unused)
schedule_work(&pstore_work);
}
- if (pstore_update_ms >= 0)
- mod_timer(&pstore_timer,
- jiffies + msecs_to_jiffies(pstore_update_ms));
+ pstore_timer_kick();
}
static void __init pstore_choose_compression(void)
@@ -835,11 +840,5 @@ static void __exit pstore_exit(void)
}
module_exit(pstore_exit)
-module_param(compress, charp, 0444);
-MODULE_PARM_DESC(compress, "Pstore compression to use");
-
-module_param(backend, charp, 0444);
-MODULE_PARM_DESC(backend, "Pstore backend to use");
-
MODULE_AUTHOR("Tony Luck <tony.luck@intel.com>");
MODULE_LICENSE("GPL");
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 795622190c01..ca6d8a867285 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -21,6 +21,7 @@
#include <linux/pstore_ram.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include "internal.h"
#define RAMOOPS_KERNMSG_HDR "===="
#define MIN_MEM_SIZE 4096UL
@@ -53,22 +54,27 @@ MODULE_PARM_DESC(mem_size,
"size of reserved RAM used to store oops/panic logs");
static unsigned int mem_type;
-module_param(mem_type, uint, 0600);
+module_param(mem_type, uint, 0400);
MODULE_PARM_DESC(mem_type,
"set to 1 to try to use unbuffered memory (default 0)");
-static int dump_oops = 1;
-module_param(dump_oops, int, 0600);
-MODULE_PARM_DESC(dump_oops,
- "set to 1 to dump oopses, 0 to only dump panics (default 1)");
+static int ramoops_max_reason = -1;
+module_param_named(max_reason, ramoops_max_reason, int, 0400);
+MODULE_PARM_DESC(max_reason,
+ "maximum reason for kmsg dump (default 2: Oops and Panic) ");
static int ramoops_ecc;
-module_param_named(ecc, ramoops_ecc, int, 0600);
+module_param_named(ecc, ramoops_ecc, int, 0400);
MODULE_PARM_DESC(ramoops_ecc,
"if non-zero, the option enables ECC support and specifies "
"ECC buffer size in bytes (1 is a special value, means 16 "
"bytes ECC)");
+static int ramoops_dump_oops = -1;
+module_param_named(dump_oops, ramoops_dump_oops, int, 0400);
+MODULE_PARM_DESC(dump_oops,
+ "(deprecated: use max_reason instead) set to 1 to dump oopses & panics, 0 to only dump panics");
+
struct ramoops_context {
struct persistent_ram_zone **dprzs; /* Oops dump zones */
struct persistent_ram_zone *cprz; /* Console zone */
@@ -81,7 +87,6 @@ struct ramoops_context {
size_t console_size;
size_t ftrace_size;
size_t pmsg_size;
- int dump_oops;
u32 flags;
struct persistent_ram_ecc_info ecc_info;
unsigned int max_dump_cnt;
@@ -168,58 +173,6 @@ static bool prz_ok(struct persistent_ram_zone *prz)
persistent_ram_ecc_string(prz, NULL, 0));
}
-static ssize_t ftrace_log_combine(struct persistent_ram_zone *dest,
- struct persistent_ram_zone *src)
-{
- size_t dest_size, src_size, total, dest_off, src_off;
- size_t dest_idx = 0, src_idx = 0, merged_idx = 0;
- void *merged_buf;
- struct pstore_ftrace_record *drec, *srec, *mrec;
- size_t record_size = sizeof(struct pstore_ftrace_record);
-
- dest_off = dest->old_log_size % record_size;
- dest_size = dest->old_log_size - dest_off;
-
- src_off = src->old_log_size % record_size;
- src_size = src->old_log_size - src_off;
-
- total = dest_size + src_size;
- merged_buf = kmalloc(total, GFP_KERNEL);
- if (!merged_buf)
- return -ENOMEM;
-
- drec = (struct pstore_ftrace_record *)(dest->old_log + dest_off);
- srec = (struct pstore_ftrace_record *)(src->old_log + src_off);
- mrec = (struct pstore_ftrace_record *)(merged_buf);
-
- while (dest_size > 0 && src_size > 0) {
- if (pstore_ftrace_read_timestamp(&drec[dest_idx]) <
- pstore_ftrace_read_timestamp(&srec[src_idx])) {
- mrec[merged_idx++] = drec[dest_idx++];
- dest_size -= record_size;
- } else {
- mrec[merged_idx++] = srec[src_idx++];
- src_size -= record_size;
- }
- }
-
- while (dest_size > 0) {
- mrec[merged_idx++] = drec[dest_idx++];
- dest_size -= record_size;
- }
-
- while (src_size > 0) {
- mrec[merged_idx++] = srec[src_idx++];
- src_size -= record_size;
- }
-
- kfree(dest->old_log);
- dest->old_log = merged_buf;
- dest->old_log_size = total;
-
- return 0;
-}
-
static ssize_t ramoops_pstore_read(struct pstore_record *record)
{
ssize_t size = 0;
@@ -291,7 +244,12 @@ static ssize_t ramoops_pstore_read(struct pstore_record *record)
tmp_prz->corrected_bytes +=
prz_next->corrected_bytes;
tmp_prz->bad_blocks += prz_next->bad_blocks;
- size = ftrace_log_combine(tmp_prz, prz_next);
+
+ size = pstore_ftrace_combine_log(
+ &tmp_prz->old_log,
+ &tmp_prz->old_log_size,
+ prz_next->old_log,
+ prz_next->old_log_size);
if (size)
goto out;
}
@@ -382,16 +340,14 @@ static int notrace ramoops_pstore_write(struct pstore_record *record)
return -EINVAL;
/*
- * Out of the various dmesg dump types, ramoops is currently designed
- * to only store crash logs, rather than storing general kernel logs.
+ * We could filter on record->reason here if we wanted to (which
+ * would duplicate what happened before the "max_reason" setting
+ * was added), but that would defeat the purpose of a system
+ * changing printk.always_kmsg_dump, so instead log everything that
+ * the kmsg dumper sends us, since it should be doing the filtering
+ * based on the combination of printk.always_kmsg_dump and our
+ * requested "max_reason".
*/
- if (record->reason != KMSG_DUMP_OOPS &&
- record->reason != KMSG_DUMP_PANIC)
- return -EINVAL;
-
- /* Skip Oopes when configured to do so. */
- if (record->reason == KMSG_DUMP_OOPS && !cxt->dump_oops)
- return -EINVAL;
/*
* Explicitly only take the first part of any new crash.
@@ -644,19 +600,25 @@ static int ramoops_init_prz(const char *name,
return 0;
}
-static int ramoops_parse_dt_size(struct platform_device *pdev,
- const char *propname, u32 *value)
+/* Read a u32 from a dt property and make sure it's safe for an int. */
+static int ramoops_parse_dt_u32(struct platform_device *pdev,
+ const char *propname,
+ u32 default_value, u32 *value)
{
u32 val32 = 0;
int ret;
ret = of_property_read_u32(pdev->dev.of_node, propname, &val32);
- if (ret < 0 && ret != -EINVAL) {
+ if (ret == -EINVAL) {
+ /* field is missing, use default value. */
+ val32 = default_value;
+ } else if (ret < 0) {
dev_err(&pdev->dev, "failed to parse property %s: %d\n",
propname, ret);
return ret;
}
+ /* Sanity check our results. */
if (val32 > INT_MAX) {
dev_err(&pdev->dev, "%s %u > INT_MAX\n", propname, val32);
return -EOVERFLOW;
@@ -687,23 +649,32 @@ static int ramoops_parse_dt(struct platform_device *pdev,
pdata->mem_size = resource_size(res);
pdata->mem_address = res->start;
pdata->mem_type = of_property_read_bool(of_node, "unbuffered");
- pdata->dump_oops = !of_property_read_bool(of_node, "no-dump-oops");
-
-#define parse_size(name, field) { \
- ret = ramoops_parse_dt_size(pdev, name, &value); \
+ /*
+ * Setting "no-dump-oops" is deprecated and will be ignored if
+ * "max_reason" is also specified.
+ */
+ if (of_property_read_bool(of_node, "no-dump-oops"))
+ pdata->max_reason = KMSG_DUMP_PANIC;
+ else
+ pdata->max_reason = KMSG_DUMP_OOPS;
+
+#define parse_u32(name, field, default_value) { \
+ ret = ramoops_parse_dt_u32(pdev, name, default_value, \
+ &value); \
if (ret < 0) \
return ret; \
field = value; \
}
- parse_size("record-size", pdata->record_size);
- parse_size("console-size", pdata->console_size);
- parse_size("ftrace-size", pdata->ftrace_size);
- parse_size("pmsg-size", pdata->pmsg_size);
- parse_size("ecc-size", pdata->ecc_info.ecc_size);
- parse_size("flags", pdata->flags);
+ parse_u32("record-size", pdata->record_size, 0);
+ parse_u32("console-size", pdata->console_size, 0);
+ parse_u32("ftrace-size", pdata->ftrace_size, 0);
+ parse_u32("pmsg-size", pdata->pmsg_size, 0);
+ parse_u32("ecc-size", pdata->ecc_info.ecc_size, 0);
+ parse_u32("flags", pdata->flags, 0);
+ parse_u32("max-reason", pdata->max_reason, pdata->max_reason);
-#undef parse_size
+#undef parse_u32
/*
* Some old Chromebooks relied on the kernel setting the
@@ -785,7 +756,6 @@ static int ramoops_probe(struct platform_device *pdev)
cxt->console_size = pdata->console_size;
cxt->ftrace_size = pdata->ftrace_size;
cxt->pmsg_size = pdata->pmsg_size;
- cxt->dump_oops = pdata->dump_oops;
cxt->flags = pdata->flags;
cxt->ecc_info = pdata->ecc_info;
@@ -828,8 +798,10 @@ static int ramoops_probe(struct platform_device *pdev)
* the single region size is how to check.
*/
cxt->pstore.flags = 0;
- if (cxt->max_dump_cnt)
+ if (cxt->max_dump_cnt) {
cxt->pstore.flags |= PSTORE_FLAGS_DMESG;
+ cxt->pstore.max_reason = pdata->max_reason;
+ }
if (cxt->console_size)
cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE;
if (cxt->max_ftrace_cnt)
@@ -865,7 +837,7 @@ static int ramoops_probe(struct platform_device *pdev)
mem_size = pdata->mem_size;
mem_address = pdata->mem_address;
record_size = pdata->record_size;
- dump_oops = pdata->dump_oops;
+ ramoops_max_reason = pdata->max_reason;
ramoops_console_size = pdata->console_size;
ramoops_pmsg_size = pdata->pmsg_size;
ramoops_ftrace_size = pdata->ftrace_size;
@@ -948,7 +920,16 @@ static void __init ramoops_register_dummy(void)
pdata.console_size = ramoops_console_size;
pdata.ftrace_size = ramoops_ftrace_size;
pdata.pmsg_size = ramoops_pmsg_size;
- pdata.dump_oops = dump_oops;
+ /* If "max_reason" is set, its value has priority over "dump_oops". */
+ if (ramoops_max_reason >= 0)
+ pdata.max_reason = ramoops_max_reason;
+ /* Otherwise, if "dump_oops" is set, parse it into "max_reason". */
+ else if (ramoops_dump_oops != -1)
+ pdata.max_reason = ramoops_dump_oops ? KMSG_DUMP_OOPS
+ : KMSG_DUMP_PANIC;
+ /* And if neither are explicitly set, use the default. */
+ else
+ pdata.max_reason = KMSG_DUMP_OOPS;
pdata.flags = RAMOOPS_FLAG_FTRACE_PER_CPU;
/*
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index c917c191e78c..aa8e0b65ff1a 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -283,7 +283,7 @@ static int notrace persistent_ram_update_user(struct persistent_ram_zone *prz,
const void __user *s, unsigned int start, unsigned int count)
{
struct persistent_ram_buffer *buffer = prz->buffer;
- int ret = unlikely(__copy_from_user(buffer->data + start, s, count)) ?
+ int ret = unlikely(copy_from_user(buffer->data + start, s, count)) ?
-EFAULT : 0;
persistent_ram_update_ecc(prz, start, count);
return ret;
@@ -348,8 +348,6 @@ int notrace persistent_ram_write_user(struct persistent_ram_zone *prz,
int rem, ret = 0, c = count;
size_t start;
- if (unlikely(!access_ok(s, count)))
- return -EFAULT;
if (unlikely(c > prz->buffer_size)) {
s += c - prz->buffer_size;
c = prz->buffer_size;
diff --git a/fs/pstore/zone.c b/fs/pstore/zone.c
new file mode 100644
index 000000000000..819428dfa32f
--- /dev/null
+++ b/fs/pstore/zone.c
@@ -0,0 +1,1465 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Provide a pstore intermediate backend, organized into kernel memory
+ * allocated zones that are then mapped and flushed into a single
+ * contiguous region on a storage backend of some kind (block, mtd, etc).
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/mount.h>
+#include <linux/printk.h>
+#include <linux/fs.h>
+#include <linux/pstore_zone.h>
+#include <linux/kdev_t.h>
+#include <linux/device.h>
+#include <linux/namei.h>
+#include <linux/fcntl.h>
+#include <linux/uio.h>
+#include <linux/writeback.h>
+#include "internal.h"
+
+/**
+ * struct psz_head - header of zone to flush to storage
+ *
+ * @sig: signature to indicate header (PSZ_SIG xor PSZONE-type value)
+ * @datalen: length of data in @data
+ * @start: offset into @data where the beginning of the stored bytes begin
+ * @data: zone data.
+ */
+struct psz_buffer {
+#define PSZ_SIG (0x43474244) /* DBGC */
+ uint32_t sig;
+ atomic_t datalen;
+ atomic_t start;
+ uint8_t data[];
+};
+
+/**
+ * struct psz_kmsg_header - kmsg dump-specific header to flush to storage
+ *
+ * @magic: magic num for kmsg dump header
+ * @time: kmsg dump trigger time
+ * @compressed: whether conpressed
+ * @counter: kmsg dump counter
+ * @reason: the kmsg dump reason (e.g. oops, panic, etc)
+ * @data: pointer to log data
+ *
+ * This is a sub-header for a kmsg dump, trailing after &psz_buffer.
+ */
+struct psz_kmsg_header {
+#define PSTORE_KMSG_HEADER_MAGIC 0x4dfc3ae5 /* Just a random number */
+ uint32_t magic;
+ struct timespec64 time;
+ bool compressed;
+ uint32_t counter;
+ enum kmsg_dump_reason reason;
+ uint8_t data[];
+};
+
+/**
+ * struct pstore_zone - single stored buffer
+ *
+ * @off: zone offset of storage
+ * @type: front-end type for this zone
+ * @name: front-end name for this zone
+ * @buffer: pointer to data buffer managed by this zone
+ * @oldbuf: pointer to old data buffer
+ * @buffer_size: bytes in @buffer->data
+ * @should_recover: whether this zone should recover from storage
+ * @dirty: whether the data in @buffer dirty
+ *
+ * zone structure in memory.
+ */
+struct pstore_zone {
+ loff_t off;
+ const char *name;
+ enum pstore_type_id type;
+
+ struct psz_buffer *buffer;
+ struct psz_buffer *oldbuf;
+ size_t buffer_size;
+ bool should_recover;
+ atomic_t dirty;
+};
+
+/**
+ * struct psz_context - all about running state of pstore/zone
+ *
+ * @kpszs: kmsg dump storage zones
+ * @ppsz: pmsg storage zone
+ * @cpsz: console storage zone
+ * @fpszs: ftrace storage zones
+ * @kmsg_max_cnt: max count of @kpszs
+ * @kmsg_read_cnt: counter of total read kmsg dumps
+ * @kmsg_write_cnt: counter of total kmsg dump writes
+ * @pmsg_read_cnt: counter of total read pmsg zone
+ * @console_read_cnt: counter of total read console zone
+ * @ftrace_max_cnt: max count of @fpszs
+ * @ftrace_read_cnt: counter of max read ftrace zone
+ * @oops_counter: counter of oops dumps
+ * @panic_counter: counter of panic dumps
+ * @recovered: whether finished recovering data from storage
+ * @on_panic: whether panic is happening
+ * @pstore_zone_info_lock: lock to @pstore_zone_info
+ * @pstore_zone_info: information from backend
+ * @pstore: structure for pstore
+ */
+struct psz_context {
+ struct pstore_zone **kpszs;
+ struct pstore_zone *ppsz;
+ struct pstore_zone *cpsz;
+ struct pstore_zone **fpszs;
+ unsigned int kmsg_max_cnt;
+ unsigned int kmsg_read_cnt;
+ unsigned int kmsg_write_cnt;
+ unsigned int pmsg_read_cnt;
+ unsigned int console_read_cnt;
+ unsigned int ftrace_max_cnt;
+ unsigned int ftrace_read_cnt;
+ /*
+ * These counters should be calculated during recovery.
+ * It records the oops/panic times after crashes rather than boots.
+ */
+ unsigned int oops_counter;
+ unsigned int panic_counter;
+ atomic_t recovered;
+ atomic_t on_panic;
+
+ /*
+ * pstore_zone_info_lock protects this entire structure during calls
+ * to register_pstore_zone()/unregister_pstore_zone().
+ */
+ struct mutex pstore_zone_info_lock;
+ struct pstore_zone_info *pstore_zone_info;
+ struct pstore_info pstore;
+};
+static struct psz_context pstore_zone_cxt;
+
+static void psz_flush_all_dirty_zones(struct work_struct *);
+static DECLARE_DELAYED_WORK(psz_cleaner, psz_flush_all_dirty_zones);
+
+/**
+ * enum psz_flush_mode - flush mode for psz_zone_write()
+ *
+ * @FLUSH_NONE: do not flush to storage but update data on memory
+ * @FLUSH_PART: just flush part of data including meta data to storage
+ * @FLUSH_META: just flush meta data of zone to storage
+ * @FLUSH_ALL: flush all of zone
+ */
+enum psz_flush_mode {
+ FLUSH_NONE = 0,
+ FLUSH_PART,
+ FLUSH_META,
+ FLUSH_ALL,
+};
+
+static inline int buffer_datalen(struct pstore_zone *zone)
+{
+ return atomic_read(&zone->buffer->datalen);
+}
+
+static inline int buffer_start(struct pstore_zone *zone)
+{
+ return atomic_read(&zone->buffer->start);
+}
+
+static inline bool is_on_panic(void)
+{
+ return atomic_read(&pstore_zone_cxt.on_panic);
+}
+
+static ssize_t psz_zone_read_buffer(struct pstore_zone *zone, char *buf,
+ size_t len, unsigned long off)
+{
+ if (!buf || !zone || !zone->buffer)
+ return -EINVAL;
+ if (off > zone->buffer_size)
+ return -EINVAL;
+ len = min_t(size_t, len, zone->buffer_size - off);
+ memcpy(buf, zone->buffer->data + off, len);
+ return len;
+}
+
+static int psz_zone_read_oldbuf(struct pstore_zone *zone, char *buf,
+ size_t len, unsigned long off)
+{
+ if (!buf || !zone || !zone->oldbuf)
+ return -EINVAL;
+ if (off > zone->buffer_size)
+ return -EINVAL;
+ len = min_t(size_t, len, zone->buffer_size - off);
+ memcpy(buf, zone->oldbuf->data + off, len);
+ return 0;
+}
+
+static int psz_zone_write(struct pstore_zone *zone,
+ enum psz_flush_mode flush_mode, const char *buf,
+ size_t len, unsigned long off)
+{
+ struct pstore_zone_info *info = pstore_zone_cxt.pstore_zone_info;
+ ssize_t wcnt = 0;
+ ssize_t (*writeop)(const char *buf, size_t bytes, loff_t pos);
+ size_t wlen;
+
+ if (off > zone->buffer_size)
+ return -EINVAL;
+
+ wlen = min_t(size_t, len, zone->buffer_size - off);
+ if (buf && wlen) {
+ memcpy(zone->buffer->data + off, buf, wlen);
+ atomic_set(&zone->buffer->datalen, wlen + off);
+ }
+
+ /* avoid to damage old records */
+ if (!is_on_panic() && !atomic_read(&pstore_zone_cxt.recovered))
+ goto dirty;
+
+ writeop = is_on_panic() ? info->panic_write : info->write;
+ if (!writeop)
+ goto dirty;
+
+ switch (flush_mode) {
+ case FLUSH_NONE:
+ if (unlikely(buf && wlen))
+ goto dirty;
+ return 0;
+ case FLUSH_PART:
+ wcnt = writeop((const char *)zone->buffer->data + off, wlen,
+ zone->off + sizeof(*zone->buffer) + off);
+ if (wcnt != wlen)
+ goto dirty;
+ fallthrough;
+ case FLUSH_META:
+ wlen = sizeof(struct psz_buffer);
+ wcnt = writeop((const char *)zone->buffer, wlen, zone->off);
+ if (wcnt != wlen)
+ goto dirty;
+ break;
+ case FLUSH_ALL:
+ wlen = zone->buffer_size + sizeof(*zone->buffer);
+ wcnt = writeop((const char *)zone->buffer, wlen, zone->off);
+ if (wcnt != wlen)
+ goto dirty;
+ break;
+ }
+
+ return 0;
+dirty:
+ /* no need to mark dirty if going to try next zone */
+ if (wcnt == -ENOMSG)
+ return -ENOMSG;
+ atomic_set(&zone->dirty, true);
+ /* flush dirty zones nicely */
+ if (wcnt == -EBUSY && !is_on_panic())
+ schedule_delayed_work(&psz_cleaner, msecs_to_jiffies(500));
+ return -EBUSY;
+}
+
+static int psz_flush_dirty_zone(struct pstore_zone *zone)
+{
+ int ret;
+
+ if (unlikely(!zone))
+ return -EINVAL;
+
+ if (unlikely(!atomic_read(&pstore_zone_cxt.recovered)))
+ return -EBUSY;
+
+ if (!atomic_xchg(&zone->dirty, false))
+ return 0;
+
+ ret = psz_zone_write(zone, FLUSH_ALL, NULL, 0, 0);
+ if (ret)
+ atomic_set(&zone->dirty, true);
+ return ret;
+}
+
+static int psz_flush_dirty_zones(struct pstore_zone **zones, unsigned int cnt)
+{
+ int i, ret;
+ struct pstore_zone *zone;
+
+ if (!zones)
+ return -EINVAL;
+
+ for (i = 0; i < cnt; i++) {
+ zone = zones[i];
+ if (!zone)
+ return -EINVAL;
+ ret = psz_flush_dirty_zone(zone);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+static int psz_move_zone(struct pstore_zone *old, struct pstore_zone *new)
+{
+ const char *data = (const char *)old->buffer->data;
+ int ret;
+
+ ret = psz_zone_write(new, FLUSH_ALL, data, buffer_datalen(old), 0);
+ if (ret) {
+ atomic_set(&new->buffer->datalen, 0);
+ atomic_set(&new->dirty, false);
+ return ret;
+ }
+ atomic_set(&old->buffer->datalen, 0);
+ return 0;
+}
+
+static void psz_flush_all_dirty_zones(struct work_struct *work)
+{
+ struct psz_context *cxt = &pstore_zone_cxt;
+ int ret = 0;
+
+ if (cxt->ppsz)
+ ret |= psz_flush_dirty_zone(cxt->ppsz);
+ if (cxt->cpsz)
+ ret |= psz_flush_dirty_zone(cxt->cpsz);
+ if (cxt->kpszs)
+ ret |= psz_flush_dirty_zones(cxt->kpszs, cxt->kmsg_max_cnt);
+ if (cxt->fpszs)
+ ret |= psz_flush_dirty_zones(cxt->fpszs, cxt->ftrace_max_cnt);
+ if (ret && cxt->pstore_zone_info)
+ schedule_delayed_work(&psz_cleaner, msecs_to_jiffies(1000));
+}
+
+static int psz_kmsg_recover_data(struct psz_context *cxt)
+{
+ struct pstore_zone_info *info = cxt->pstore_zone_info;
+ struct pstore_zone *zone = NULL;
+ struct psz_buffer *buf;
+ unsigned long i;
+ ssize_t rcnt;
+
+ if (!info->read)
+ return -EINVAL;
+
+ for (i = 0; i < cxt->kmsg_max_cnt; i++) {
+ zone = cxt->kpszs[i];
+ if (unlikely(!zone))
+ return -EINVAL;
+ if (atomic_read(&zone->dirty)) {
+ unsigned int wcnt = cxt->kmsg_write_cnt;
+ struct pstore_zone *new = cxt->kpszs[wcnt];
+ int ret;
+
+ ret = psz_move_zone(zone, new);
+ if (ret) {
+ pr_err("move zone from %lu to %d failed\n",
+ i, wcnt);
+ return ret;
+ }
+ cxt->kmsg_write_cnt = (wcnt + 1) % cxt->kmsg_max_cnt;
+ }
+ if (!zone->should_recover)
+ continue;
+ buf = zone->buffer;
+ rcnt = info->read((char *)buf, zone->buffer_size + sizeof(*buf),
+ zone->off);
+ if (rcnt != zone->buffer_size + sizeof(*buf))
+ return (int)rcnt < 0 ? (int)rcnt : -EIO;
+ }
+ return 0;
+}
+
+static int psz_kmsg_recover_meta(struct psz_context *cxt)
+{
+ struct pstore_zone_info *info = cxt->pstore_zone_info;
+ struct pstore_zone *zone;
+ size_t rcnt, len;
+ struct psz_buffer *buf;
+ struct psz_kmsg_header *hdr;
+ struct timespec64 time = { };
+ unsigned long i;
+ /*
+ * Recover may on panic, we can't allocate any memory by kmalloc.
+ * So, we use local array instead.
+ */
+ char buffer_header[sizeof(*buf) + sizeof(*hdr)] = {0};
+
+ if (!info->read)
+ return -EINVAL;
+
+ len = sizeof(*buf) + sizeof(*hdr);
+ buf = (struct psz_buffer *)buffer_header;
+ for (i = 0; i < cxt->kmsg_max_cnt; i++) {
+ zone = cxt->kpszs[i];
+ if (unlikely(!zone))
+ return -EINVAL;
+
+ rcnt = info->read((char *)buf, len, zone->off);
+ if (rcnt == -ENOMSG) {
+ pr_debug("%s with id %lu may be broken, skip\n",
+ zone->name, i);
+ continue;
+ } else if (rcnt != len) {
+ pr_err("read %s with id %lu failed\n", zone->name, i);
+ return (int)rcnt < 0 ? (int)rcnt : -EIO;
+ }
+
+ if (buf->sig != zone->buffer->sig) {
+ pr_debug("no valid data in kmsg dump zone %lu\n", i);
+ continue;
+ }
+
+ if (zone->buffer_size < atomic_read(&buf->datalen)) {
+ pr_info("found overtop zone: %s: id %lu, off %lld, size %zu\n",
+ zone->name, i, zone->off,
+ zone->buffer_size);
+ continue;
+ }
+
+ hdr = (struct psz_kmsg_header *)buf->data;
+ if (hdr->magic != PSTORE_KMSG_HEADER_MAGIC) {
+ pr_info("found invalid zone: %s: id %lu, off %lld, size %zu\n",
+ zone->name, i, zone->off,
+ zone->buffer_size);
+ continue;
+ }
+
+ /*
+ * we get the newest zone, and the next one must be the oldest
+ * or unused zone, because we do write one by one like a circle.
+ */
+ if (hdr->time.tv_sec >= time.tv_sec) {
+ time.tv_sec = hdr->time.tv_sec;
+ cxt->kmsg_write_cnt = (i + 1) % cxt->kmsg_max_cnt;
+ }
+
+ if (hdr->reason == KMSG_DUMP_OOPS)
+ cxt->oops_counter =
+ max(cxt->oops_counter, hdr->counter);
+ else if (hdr->reason == KMSG_DUMP_PANIC)
+ cxt->panic_counter =
+ max(cxt->panic_counter, hdr->counter);
+
+ if (!atomic_read(&buf->datalen)) {
+ pr_debug("found erased zone: %s: id %lu, off %lld, size %zu, datalen %d\n",
+ zone->name, i, zone->off,
+ zone->buffer_size,
+ atomic_read(&buf->datalen));
+ continue;
+ }
+
+ if (!is_on_panic())
+ zone->should_recover = true;
+ pr_debug("found nice zone: %s: id %lu, off %lld, size %zu, datalen %d\n",
+ zone->name, i, zone->off,
+ zone->buffer_size, atomic_read(&buf->datalen));
+ }
+
+ return 0;
+}
+
+static int psz_kmsg_recover(struct psz_context *cxt)
+{
+ int ret;
+
+ if (!cxt->kpszs)
+ return 0;
+
+ ret = psz_kmsg_recover_meta(cxt);
+ if (ret)
+ goto recover_fail;
+
+ ret = psz_kmsg_recover_data(cxt);
+ if (ret)
+ goto recover_fail;
+
+ return 0;
+recover_fail:
+ pr_debug("psz_recover_kmsg failed\n");
+ return ret;
+}
+
+static int psz_recover_zone(struct psz_context *cxt, struct pstore_zone *zone)
+{
+ struct pstore_zone_info *info = cxt->pstore_zone_info;
+ struct psz_buffer *oldbuf, tmpbuf;
+ int ret = 0;
+ char *buf;
+ ssize_t rcnt, len, start, off;
+
+ if (!zone || zone->oldbuf)
+ return 0;
+
+ if (is_on_panic()) {
+ /* save data as much as possible */
+ psz_flush_dirty_zone(zone);
+ return 0;
+ }
+
+ if (unlikely(!info->read))
+ return -EINVAL;
+
+ len = sizeof(struct psz_buffer);
+ rcnt = info->read((char *)&tmpbuf, len, zone->off);
+ if (rcnt != len) {
+ pr_debug("read zone %s failed\n", zone->name);
+ return (int)rcnt < 0 ? (int)rcnt : -EIO;
+ }
+
+ if (tmpbuf.sig != zone->buffer->sig) {
+ pr_debug("no valid data in zone %s\n", zone->name);
+ return 0;
+ }
+
+ if (zone->buffer_size < atomic_read(&tmpbuf.datalen) ||
+ zone->buffer_size < atomic_read(&tmpbuf.start)) {
+ pr_info("found overtop zone: %s: off %lld, size %zu\n",
+ zone->name, zone->off, zone->buffer_size);
+ /* just keep going */
+ return 0;
+ }
+
+ if (!atomic_read(&tmpbuf.datalen)) {
+ pr_debug("found erased zone: %s: off %lld, size %zu, datalen %d\n",
+ zone->name, zone->off, zone->buffer_size,
+ atomic_read(&tmpbuf.datalen));
+ return 0;
+ }
+
+ pr_debug("found nice zone: %s: off %lld, size %zu, datalen %d\n",
+ zone->name, zone->off, zone->buffer_size,
+ atomic_read(&tmpbuf.datalen));
+
+ len = atomic_read(&tmpbuf.datalen) + sizeof(*oldbuf);
+ oldbuf = kzalloc(len, GFP_KERNEL);
+ if (!oldbuf)
+ return -ENOMEM;
+
+ memcpy(oldbuf, &tmpbuf, sizeof(*oldbuf));
+ buf = (char *)oldbuf + sizeof(*oldbuf);
+ len = atomic_read(&oldbuf->datalen);
+ start = atomic_read(&oldbuf->start);
+ off = zone->off + sizeof(*oldbuf);
+
+ /* get part of data */
+ rcnt = info->read(buf, len - start, off + start);
+ if (rcnt != len - start) {
+ pr_err("read zone %s failed\n", zone->name);
+ ret = (int)rcnt < 0 ? (int)rcnt : -EIO;
+ goto free_oldbuf;
+ }
+
+ /* get the rest of data */
+ rcnt = info->read(buf + len - start, start, off);
+ if (rcnt != start) {
+ pr_err("read zone %s failed\n", zone->name);
+ ret = (int)rcnt < 0 ? (int)rcnt : -EIO;
+ goto free_oldbuf;
+ }
+
+ zone->oldbuf = oldbuf;
+ psz_flush_dirty_zone(zone);
+ return 0;
+
+free_oldbuf:
+ kfree(oldbuf);
+ return ret;
+}
+
+static int psz_recover_zones(struct psz_context *cxt,
+ struct pstore_zone **zones, unsigned int cnt)
+{
+ int ret;
+ unsigned int i;
+ struct pstore_zone *zone;
+
+ if (!zones)
+ return 0;
+
+ for (i = 0; i < cnt; i++) {
+ zone = zones[i];
+ if (unlikely(!zone))
+ continue;
+ ret = psz_recover_zone(cxt, zone);
+ if (ret)
+ goto recover_fail;
+ }
+
+ return 0;
+recover_fail:
+ pr_debug("recover %s[%u] failed\n", zone->name, i);
+ return ret;
+}
+
+/**
+ * psz_recovery() - recover data from storage
+ * @cxt: the context of pstore/zone
+ *
+ * recovery means reading data back from storage after rebooting
+ *
+ * Return: 0 on success, others on failure.
+ */
+static inline int psz_recovery(struct psz_context *cxt)
+{
+ int ret;
+
+ if (atomic_read(&cxt->recovered))
+ return 0;
+
+ ret = psz_kmsg_recover(cxt);
+ if (ret)
+ goto out;
+
+ ret = psz_recover_zone(cxt, cxt->ppsz);
+ if (ret)
+ goto out;
+
+ ret = psz_recover_zone(cxt, cxt->cpsz);
+ if (ret)
+ goto out;
+
+ ret = psz_recover_zones(cxt, cxt->fpszs, cxt->ftrace_max_cnt);
+
+out:
+ if (unlikely(ret))
+ pr_err("recover failed\n");
+ else {
+ pr_debug("recover end!\n");
+ atomic_set(&cxt->recovered, 1);
+ }
+ return ret;
+}
+
+static int psz_pstore_open(struct pstore_info *psi)
+{
+ struct psz_context *cxt = psi->data;
+
+ cxt->kmsg_read_cnt = 0;
+ cxt->pmsg_read_cnt = 0;
+ cxt->console_read_cnt = 0;
+ cxt->ftrace_read_cnt = 0;
+ return 0;
+}
+
+static inline bool psz_old_ok(struct pstore_zone *zone)
+{
+ if (zone && zone->oldbuf && atomic_read(&zone->oldbuf->datalen))
+ return true;
+ return false;
+}
+
+static inline bool psz_ok(struct pstore_zone *zone)
+{
+ if (zone && zone->buffer && buffer_datalen(zone))
+ return true;
+ return false;
+}
+
+static inline int psz_kmsg_erase(struct psz_context *cxt,
+ struct pstore_zone *zone, struct pstore_record *record)
+{
+ struct psz_buffer *buffer = zone->buffer;
+ struct psz_kmsg_header *hdr =
+ (struct psz_kmsg_header *)buffer->data;
+ size_t size;
+
+ if (unlikely(!psz_ok(zone)))
+ return 0;
+
+ /* this zone is already updated, no need to erase */
+ if (record->count != hdr->counter)
+ return 0;
+
+ size = buffer_datalen(zone) + sizeof(*zone->buffer);
+ atomic_set(&zone->buffer->datalen, 0);
+ if (cxt->pstore_zone_info->erase)
+ return cxt->pstore_zone_info->erase(size, zone->off);
+ else
+ return psz_zone_write(zone, FLUSH_META, NULL, 0, 0);
+}
+
+static inline int psz_record_erase(struct psz_context *cxt,
+ struct pstore_zone *zone)
+{
+ if (unlikely(!psz_old_ok(zone)))
+ return 0;
+
+ kfree(zone->oldbuf);
+ zone->oldbuf = NULL;
+ /*
+ * if there are new data in zone buffer, that means the old data
+ * are already invalid. It is no need to flush 0 (erase) to
+ * block device.
+ */
+ if (!buffer_datalen(zone))
+ return psz_zone_write(zone, FLUSH_META, NULL, 0, 0);
+ psz_flush_dirty_zone(zone);
+ return 0;
+}
+
+static int psz_pstore_erase(struct pstore_record *record)
+{
+ struct psz_context *cxt = record->psi->data;
+
+ switch (record->type) {
+ case PSTORE_TYPE_DMESG:
+ if (record->id >= cxt->kmsg_max_cnt)
+ return -EINVAL;
+ return psz_kmsg_erase(cxt, cxt->kpszs[record->id], record);
+ case PSTORE_TYPE_PMSG:
+ return psz_record_erase(cxt, cxt->ppsz);
+ case PSTORE_TYPE_CONSOLE:
+ return psz_record_erase(cxt, cxt->cpsz);
+ case PSTORE_TYPE_FTRACE:
+ if (record->id >= cxt->ftrace_max_cnt)
+ return -EINVAL;
+ return psz_record_erase(cxt, cxt->fpszs[record->id]);
+ default: return -EINVAL;
+ }
+}
+
+static void psz_write_kmsg_hdr(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ struct psz_context *cxt = record->psi->data;
+ struct psz_buffer *buffer = zone->buffer;
+ struct psz_kmsg_header *hdr =
+ (struct psz_kmsg_header *)buffer->data;
+
+ hdr->magic = PSTORE_KMSG_HEADER_MAGIC;
+ hdr->compressed = record->compressed;
+ hdr->time.tv_sec = record->time.tv_sec;
+ hdr->time.tv_nsec = record->time.tv_nsec;
+ hdr->reason = record->reason;
+ if (hdr->reason == KMSG_DUMP_OOPS)
+ hdr->counter = ++cxt->oops_counter;
+ else if (hdr->reason == KMSG_DUMP_PANIC)
+ hdr->counter = ++cxt->panic_counter;
+ else
+ hdr->counter = 0;
+}
+
+/*
+ * In case zone is broken, which may occur to MTD device, we try each zones,
+ * start at cxt->kmsg_write_cnt.
+ */
+static inline int notrace psz_kmsg_write_record(struct psz_context *cxt,
+ struct pstore_record *record)
+{
+ size_t size, hlen;
+ struct pstore_zone *zone;
+ unsigned int i;
+
+ for (i = 0; i < cxt->kmsg_max_cnt; i++) {
+ unsigned int zonenum, len;
+ int ret;
+
+ zonenum = (cxt->kmsg_write_cnt + i) % cxt->kmsg_max_cnt;
+ zone = cxt->kpszs[zonenum];
+ if (unlikely(!zone))
+ return -ENOSPC;
+
+ /* avoid destroying old data, allocate a new one */
+ len = zone->buffer_size + sizeof(*zone->buffer);
+ zone->oldbuf = zone->buffer;
+ zone->buffer = kzalloc(len, GFP_KERNEL);
+ if (!zone->buffer) {
+ zone->buffer = zone->oldbuf;
+ return -ENOMEM;
+ }
+ zone->buffer->sig = zone->oldbuf->sig;
+
+ pr_debug("write %s to zone id %d\n", zone->name, zonenum);
+ psz_write_kmsg_hdr(zone, record);
+ hlen = sizeof(struct psz_kmsg_header);
+ size = min_t(size_t, record->size, zone->buffer_size - hlen);
+ ret = psz_zone_write(zone, FLUSH_ALL, record->buf, size, hlen);
+ if (likely(!ret || ret != -ENOMSG)) {
+ cxt->kmsg_write_cnt = zonenum + 1;
+ cxt->kmsg_write_cnt %= cxt->kmsg_max_cnt;
+ /* no need to try next zone, free last zone buffer */
+ kfree(zone->oldbuf);
+ zone->oldbuf = NULL;
+ return ret;
+ }
+
+ pr_debug("zone %u may be broken, try next dmesg zone\n",
+ zonenum);
+ kfree(zone->buffer);
+ zone->buffer = zone->oldbuf;
+ zone->oldbuf = NULL;
+ }
+
+ return -EBUSY;
+}
+
+static int notrace psz_kmsg_write(struct psz_context *cxt,
+ struct pstore_record *record)
+{
+ int ret;
+
+ /*
+ * Explicitly only take the first part of any new crash.
+ * If our buffer is larger than kmsg_bytes, this can never happen,
+ * and if our buffer is smaller than kmsg_bytes, we don't want the
+ * report split across multiple records.
+ */
+ if (record->part != 1)
+ return -ENOSPC;
+
+ if (!cxt->kpszs)
+ return -ENOSPC;
+
+ ret = psz_kmsg_write_record(cxt, record);
+ if (!ret && is_on_panic()) {
+ /* ensure all data are flushed to storage when panic */
+ pr_debug("try to flush other dirty zones\n");
+ psz_flush_all_dirty_zones(NULL);
+ }
+
+ /* always return 0 as we had handled it on buffer */
+ return 0;
+}
+
+static int notrace psz_record_write(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ size_t start, rem;
+ bool is_full_data = false;
+ char *buf;
+ int cnt;
+
+ if (!zone || !record)
+ return -ENOSPC;
+
+ if (atomic_read(&zone->buffer->datalen) >= zone->buffer_size)
+ is_full_data = true;
+
+ cnt = record->size;
+ buf = record->buf;
+ if (unlikely(cnt > zone->buffer_size)) {
+ buf += cnt - zone->buffer_size;
+ cnt = zone->buffer_size;
+ }
+
+ start = buffer_start(zone);
+ rem = zone->buffer_size - start;
+ if (unlikely(rem < cnt)) {
+ psz_zone_write(zone, FLUSH_PART, buf, rem, start);
+ buf += rem;
+ cnt -= rem;
+ start = 0;
+ is_full_data = true;
+ }
+
+ atomic_set(&zone->buffer->start, cnt + start);
+ psz_zone_write(zone, FLUSH_PART, buf, cnt, start);
+
+ /**
+ * psz_zone_write will set datalen as start + cnt.
+ * It work if actual data length lesser than buffer size.
+ * If data length greater than buffer size, pmsg will rewrite to
+ * beginning of zone, which make buffer->datalen wrongly.
+ * So we should reset datalen as buffer size once actual data length
+ * greater than buffer size.
+ */
+ if (is_full_data) {
+ atomic_set(&zone->buffer->datalen, zone->buffer_size);
+ psz_zone_write(zone, FLUSH_META, NULL, 0, 0);
+ }
+ return 0;
+}
+
+static int notrace psz_pstore_write(struct pstore_record *record)
+{
+ struct psz_context *cxt = record->psi->data;
+
+ if (record->type == PSTORE_TYPE_DMESG &&
+ record->reason == KMSG_DUMP_PANIC)
+ atomic_set(&cxt->on_panic, 1);
+
+ /*
+ * if on panic, do not write except panic records
+ * Fix case that panic_write prints log which wakes up console backend.
+ */
+ if (is_on_panic() && record->type != PSTORE_TYPE_DMESG)
+ return -EBUSY;
+
+ switch (record->type) {
+ case PSTORE_TYPE_DMESG:
+ return psz_kmsg_write(cxt, record);
+ case PSTORE_TYPE_CONSOLE:
+ return psz_record_write(cxt->cpsz, record);
+ case PSTORE_TYPE_PMSG:
+ return psz_record_write(cxt->ppsz, record);
+ case PSTORE_TYPE_FTRACE: {
+ int zonenum = smp_processor_id();
+
+ if (!cxt->fpszs)
+ return -ENOSPC;
+ return psz_record_write(cxt->fpszs[zonenum], record);
+ }
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct pstore_zone *psz_read_next_zone(struct psz_context *cxt)
+{
+ struct pstore_zone *zone = NULL;
+
+ while (cxt->kmsg_read_cnt < cxt->kmsg_max_cnt) {
+ zone = cxt->kpszs[cxt->kmsg_read_cnt++];
+ if (psz_ok(zone))
+ return zone;
+ }
+
+ if (cxt->ftrace_read_cnt < cxt->ftrace_max_cnt)
+ /*
+ * No need psz_old_ok(). Let psz_ftrace_read() do so for
+ * combination. psz_ftrace_read() should traverse over
+ * all zones in case of some zone without data.
+ */
+ return cxt->fpszs[cxt->ftrace_read_cnt++];
+
+ if (cxt->pmsg_read_cnt == 0) {
+ cxt->pmsg_read_cnt++;
+ zone = cxt->ppsz;
+ if (psz_old_ok(zone))
+ return zone;
+ }
+
+ if (cxt->console_read_cnt == 0) {
+ cxt->console_read_cnt++;
+ zone = cxt->cpsz;
+ if (psz_old_ok(zone))
+ return zone;
+ }
+
+ return NULL;
+}
+
+static int psz_kmsg_read_hdr(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ struct psz_buffer *buffer = zone->buffer;
+ struct psz_kmsg_header *hdr =
+ (struct psz_kmsg_header *)buffer->data;
+
+ if (hdr->magic != PSTORE_KMSG_HEADER_MAGIC)
+ return -EINVAL;
+ record->compressed = hdr->compressed;
+ record->time.tv_sec = hdr->time.tv_sec;
+ record->time.tv_nsec = hdr->time.tv_nsec;
+ record->reason = hdr->reason;
+ record->count = hdr->counter;
+ return 0;
+}
+
+static ssize_t psz_kmsg_read(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ ssize_t size, hlen = 0;
+
+ size = buffer_datalen(zone);
+ /* Clear and skip this kmsg dump record if it has no valid header */
+ if (psz_kmsg_read_hdr(zone, record)) {
+ atomic_set(&zone->buffer->datalen, 0);
+ atomic_set(&zone->dirty, 0);
+ return -ENOMSG;
+ }
+ size -= sizeof(struct psz_kmsg_header);
+
+ if (!record->compressed) {
+ char *buf = kasprintf(GFP_KERNEL, "%s: Total %d times\n",
+ kmsg_dump_reason_str(record->reason),
+ record->count);
+ hlen = strlen(buf);
+ record->buf = krealloc(buf, hlen + size, GFP_KERNEL);
+ if (!record->buf) {
+ kfree(buf);
+ return -ENOMEM;
+ }
+ } else {
+ record->buf = kmalloc(size, GFP_KERNEL);
+ if (!record->buf)
+ return -ENOMEM;
+ }
+
+ size = psz_zone_read_buffer(zone, record->buf + hlen, size,
+ sizeof(struct psz_kmsg_header));
+ if (unlikely(size < 0)) {
+ kfree(record->buf);
+ return -ENOMSG;
+ }
+
+ return size + hlen;
+}
+
+/* try to combine all ftrace zones */
+static ssize_t psz_ftrace_read(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ struct psz_context *cxt;
+ struct psz_buffer *buf;
+ int ret;
+
+ if (!zone || !record)
+ return -ENOSPC;
+
+ if (!psz_old_ok(zone))
+ goto out;
+
+ buf = (struct psz_buffer *)zone->oldbuf;
+ if (!buf)
+ return -ENOMSG;
+
+ ret = pstore_ftrace_combine_log(&record->buf, &record->size,
+ (char *)buf->data, atomic_read(&buf->datalen));
+ if (unlikely(ret))
+ return ret;
+
+out:
+ cxt = record->psi->data;
+ if (cxt->ftrace_read_cnt < cxt->ftrace_max_cnt)
+ /* then, read next ftrace zone */
+ return -ENOMSG;
+ record->id = 0;
+ return record->size ? record->size : -ENOMSG;
+}
+
+static ssize_t psz_record_read(struct pstore_zone *zone,
+ struct pstore_record *record)
+{
+ size_t len;
+ struct psz_buffer *buf;
+
+ if (!zone || !record)
+ return -ENOSPC;
+
+ buf = (struct psz_buffer *)zone->oldbuf;
+ if (!buf)
+ return -ENOMSG;
+
+ len = atomic_read(&buf->datalen);
+ record->buf = kmalloc(len, GFP_KERNEL);
+ if (!record->buf)
+ return -ENOMEM;
+
+ if (unlikely(psz_zone_read_oldbuf(zone, record->buf, len, 0))) {
+ kfree(record->buf);
+ return -ENOMSG;
+ }
+
+ return len;
+}
+
+static ssize_t psz_pstore_read(struct pstore_record *record)
+{
+ struct psz_context *cxt = record->psi->data;
+ ssize_t (*readop)(struct pstore_zone *zone,
+ struct pstore_record *record);
+ struct pstore_zone *zone;
+ ssize_t ret;
+
+ /* before read, we must recover from storage */
+ ret = psz_recovery(cxt);
+ if (ret)
+ return ret;
+
+next_zone:
+ zone = psz_read_next_zone(cxt);
+ if (!zone)
+ return 0;
+
+ record->type = zone->type;
+ switch (record->type) {
+ case PSTORE_TYPE_DMESG:
+ readop = psz_kmsg_read;
+ record->id = cxt->kmsg_read_cnt - 1;
+ break;
+ case PSTORE_TYPE_FTRACE:
+ readop = psz_ftrace_read;
+ break;
+ case PSTORE_TYPE_CONSOLE:
+ fallthrough;
+ case PSTORE_TYPE_PMSG:
+ readop = psz_record_read;
+ break;
+ default:
+ goto next_zone;
+ }
+
+ ret = readop(zone, record);
+ if (ret == -ENOMSG)
+ goto next_zone;
+ return ret;
+}
+
+static struct psz_context pstore_zone_cxt = {
+ .pstore_zone_info_lock =
+ __MUTEX_INITIALIZER(pstore_zone_cxt.pstore_zone_info_lock),
+ .recovered = ATOMIC_INIT(0),
+ .on_panic = ATOMIC_INIT(0),
+ .pstore = {
+ .owner = THIS_MODULE,
+ .open = psz_pstore_open,
+ .read = psz_pstore_read,
+ .write = psz_pstore_write,
+ .erase = psz_pstore_erase,
+ },
+};
+
+static void psz_free_zone(struct pstore_zone **pszone)
+{
+ struct pstore_zone *zone = *pszone;
+
+ if (!zone)
+ return;
+
+ kfree(zone->buffer);
+ kfree(zone);
+ *pszone = NULL;
+}
+
+static void psz_free_zones(struct pstore_zone ***pszones, unsigned int *cnt)
+{
+ struct pstore_zone **zones = *pszones;
+
+ if (!zones)
+ return;
+
+ while (*cnt > 0) {
+ (*cnt)--;
+ psz_free_zone(&(zones[*cnt]));
+ }
+ kfree(zones);
+ *pszones = NULL;
+}
+
+static void psz_free_all_zones(struct psz_context *cxt)
+{
+ if (cxt->kpszs)
+ psz_free_zones(&cxt->kpszs, &cxt->kmsg_max_cnt);
+ if (cxt->ppsz)
+ psz_free_zone(&cxt->ppsz);
+ if (cxt->cpsz)
+ psz_free_zone(&cxt->cpsz);
+ if (cxt->fpszs)
+ psz_free_zones(&cxt->fpszs, &cxt->ftrace_max_cnt);
+}
+
+static struct pstore_zone *psz_init_zone(enum pstore_type_id type,
+ loff_t *off, size_t size)
+{
+ struct pstore_zone_info *info = pstore_zone_cxt.pstore_zone_info;
+ struct pstore_zone *zone;
+ const char *name = pstore_type_to_name(type);
+
+ if (!size)
+ return NULL;
+
+ if (*off + size > info->total_size) {
+ pr_err("no room for %s (0x%zx@0x%llx over 0x%lx)\n",
+ name, size, *off, info->total_size);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ zone = kzalloc(sizeof(struct pstore_zone), GFP_KERNEL);
+ if (!zone)
+ return ERR_PTR(-ENOMEM);
+
+ zone->buffer = kmalloc(size, GFP_KERNEL);
+ if (!zone->buffer) {
+ kfree(zone);
+ return ERR_PTR(-ENOMEM);
+ }
+ memset(zone->buffer, 0xFF, size);
+ zone->off = *off;
+ zone->name = name;
+ zone->type = type;
+ zone->buffer_size = size - sizeof(struct psz_buffer);
+ zone->buffer->sig = type ^ PSZ_SIG;
+ zone->oldbuf = NULL;
+ atomic_set(&zone->dirty, 0);
+ atomic_set(&zone->buffer->datalen, 0);
+ atomic_set(&zone->buffer->start, 0);
+
+ *off += size;
+
+ pr_debug("pszone %s: off 0x%llx, %zu header, %zu data\n", zone->name,
+ zone->off, sizeof(*zone->buffer), zone->buffer_size);
+ return zone;
+}
+
+static struct pstore_zone **psz_init_zones(enum pstore_type_id type,
+ loff_t *off, size_t total_size, ssize_t record_size,
+ unsigned int *cnt)
+{
+ struct pstore_zone_info *info = pstore_zone_cxt.pstore_zone_info;
+ struct pstore_zone **zones, *zone;
+ const char *name = pstore_type_to_name(type);
+ int c, i;
+
+ *cnt = 0;
+ if (!total_size || !record_size)
+ return NULL;
+
+ if (*off + total_size > info->total_size) {
+ pr_err("no room for zones %s (0x%zx@0x%llx over 0x%lx)\n",
+ name, total_size, *off, info->total_size);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ c = total_size / record_size;
+ zones = kcalloc(c, sizeof(*zones), GFP_KERNEL);
+ if (!zones) {
+ pr_err("allocate for zones %s failed\n", name);
+ return ERR_PTR(-ENOMEM);
+ }
+ memset(zones, 0, c * sizeof(*zones));
+
+ for (i = 0; i < c; i++) {
+ zone = psz_init_zone(type, off, record_size);
+ if (!zone || IS_ERR(zone)) {
+ pr_err("initialize zones %s failed\n", name);
+ psz_free_zones(&zones, &i);
+ return (void *)zone;
+ }
+ zones[i] = zone;
+ }
+
+ *cnt = c;
+ return zones;
+}
+
+static int psz_alloc_zones(struct psz_context *cxt)
+{
+ struct pstore_zone_info *info = cxt->pstore_zone_info;
+ loff_t off = 0;
+ int err;
+ size_t off_size = 0;
+
+ off_size += info->pmsg_size;
+ cxt->ppsz = psz_init_zone(PSTORE_TYPE_PMSG, &off, info->pmsg_size);
+ if (IS_ERR(cxt->ppsz)) {
+ err = PTR_ERR(cxt->ppsz);
+ cxt->ppsz = NULL;
+ goto free_out;
+ }
+
+ off_size += info->console_size;
+ cxt->cpsz = psz_init_zone(PSTORE_TYPE_CONSOLE, &off,
+ info->console_size);
+ if (IS_ERR(cxt->cpsz)) {
+ err = PTR_ERR(cxt->cpsz);
+ cxt->cpsz = NULL;
+ goto free_out;
+ }
+
+ off_size += info->ftrace_size;
+ cxt->fpszs = psz_init_zones(PSTORE_TYPE_FTRACE, &off,
+ info->ftrace_size,
+ info->ftrace_size / nr_cpu_ids,
+ &cxt->ftrace_max_cnt);
+ if (IS_ERR(cxt->fpszs)) {
+ err = PTR_ERR(cxt->fpszs);
+ cxt->fpszs = NULL;
+ goto free_out;
+ }
+
+ cxt->kpszs = psz_init_zones(PSTORE_TYPE_DMESG, &off,
+ info->total_size - off_size,
+ info->kmsg_size, &cxt->kmsg_max_cnt);
+ if (IS_ERR(cxt->kpszs)) {
+ err = PTR_ERR(cxt->kpszs);
+ cxt->kpszs = NULL;
+ goto free_out;
+ }
+
+ return 0;
+free_out:
+ psz_free_all_zones(cxt);
+ return err;
+}
+
+/**
+ * register_pstore_zone() - register to pstore/zone
+ *
+ * @info: back-end driver information. See &struct pstore_zone_info.
+ *
+ * Only one back-end at one time.
+ *
+ * Return: 0 on success, others on failure.
+ */
+int register_pstore_zone(struct pstore_zone_info *info)
+{
+ int err = -EINVAL;
+ struct psz_context *cxt = &pstore_zone_cxt;
+
+ if (info->total_size < 4096) {
+ pr_warn("total_size must be >= 4096\n");
+ return -EINVAL;
+ }
+
+ if (!info->kmsg_size && !info->pmsg_size && !info->console_size &&
+ !info->ftrace_size) {
+ pr_warn("at least one record size must be non-zero\n");
+ return -EINVAL;
+ }
+
+ if (!info->name || !info->name[0])
+ return -EINVAL;
+
+#define check_size(name, size) { \
+ if (info->name > 0 && info->name < (size)) { \
+ pr_err(#name " must be over %d\n", (size)); \
+ return -EINVAL; \
+ } \
+ if (info->name & (size - 1)) { \
+ pr_err(#name " must be a multiple of %d\n", \
+ (size)); \
+ return -EINVAL; \
+ } \
+ }
+
+ check_size(total_size, 4096);
+ check_size(kmsg_size, SECTOR_SIZE);
+ check_size(pmsg_size, SECTOR_SIZE);
+ check_size(console_size, SECTOR_SIZE);
+ check_size(ftrace_size, SECTOR_SIZE);
+
+#undef check_size
+
+ /*
+ * the @read and @write must be applied.
+ * if no @read, pstore may mount failed.
+ * if no @write, pstore do not support to remove record file.
+ */
+ if (!info->read || !info->write) {
+ pr_err("no valid general read/write interface\n");
+ return -EINVAL;
+ }
+
+ mutex_lock(&cxt->pstore_zone_info_lock);
+ if (cxt->pstore_zone_info) {
+ pr_warn("'%s' already loaded: ignoring '%s'\n",
+ cxt->pstore_zone_info->name, info->name);
+ mutex_unlock(&cxt->pstore_zone_info_lock);
+ return -EBUSY;
+ }
+ cxt->pstore_zone_info = info;
+
+ pr_debug("register %s with properties:\n", info->name);
+ pr_debug("\ttotal size : %ld Bytes\n", info->total_size);
+ pr_debug("\tkmsg size : %ld Bytes\n", info->kmsg_size);
+ pr_debug("\tpmsg size : %ld Bytes\n", info->pmsg_size);
+ pr_debug("\tconsole size : %ld Bytes\n", info->console_size);
+ pr_debug("\tftrace size : %ld Bytes\n", info->ftrace_size);
+
+ err = psz_alloc_zones(cxt);
+ if (err) {
+ pr_err("alloc zones failed\n");
+ goto fail_out;
+ }
+
+ if (info->kmsg_size) {
+ cxt->pstore.bufsize = cxt->kpszs[0]->buffer_size -
+ sizeof(struct psz_kmsg_header);
+ cxt->pstore.buf = kzalloc(cxt->pstore.bufsize, GFP_KERNEL);
+ if (!cxt->pstore.buf) {
+ err = -ENOMEM;
+ goto fail_free;
+ }
+ }
+ cxt->pstore.data = cxt;
+
+ pr_info("registered %s as backend for", info->name);
+ cxt->pstore.max_reason = info->max_reason;
+ cxt->pstore.name = info->name;
+ if (info->kmsg_size) {
+ cxt->pstore.flags |= PSTORE_FLAGS_DMESG;
+ pr_cont(" kmsg(%s",
+ kmsg_dump_reason_str(cxt->pstore.max_reason));
+ if (cxt->pstore_zone_info->panic_write)
+ pr_cont(",panic_write");
+ pr_cont(")");
+ }
+ if (info->pmsg_size) {
+ cxt->pstore.flags |= PSTORE_FLAGS_PMSG;
+ pr_cont(" pmsg");
+ }
+ if (info->console_size) {
+ cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE;
+ pr_cont(" console");
+ }
+ if (info->ftrace_size) {
+ cxt->pstore.flags |= PSTORE_FLAGS_FTRACE;
+ pr_cont(" ftrace");
+ }
+ pr_cont("\n");
+
+ err = pstore_register(&cxt->pstore);
+ if (err) {
+ pr_err("registering with pstore failed\n");
+ goto fail_free;
+ }
+ mutex_unlock(&pstore_zone_cxt.pstore_zone_info_lock);
+
+ return 0;
+
+fail_free:
+ kfree(cxt->pstore.buf);
+ cxt->pstore.buf = NULL;
+ cxt->pstore.bufsize = 0;
+ psz_free_all_zones(cxt);
+fail_out:
+ pstore_zone_cxt.pstore_zone_info = NULL;
+ mutex_unlock(&pstore_zone_cxt.pstore_zone_info_lock);
+ return err;
+}
+EXPORT_SYMBOL_GPL(register_pstore_zone);
+
+/**
+ * unregister_pstore_zone() - unregister to pstore/zone
+ *
+ * @info: back-end driver information. See struct pstore_zone_info.
+ */
+void unregister_pstore_zone(struct pstore_zone_info *info)
+{
+ struct psz_context *cxt = &pstore_zone_cxt;
+
+ mutex_lock(&cxt->pstore_zone_info_lock);
+ if (!cxt->pstore_zone_info) {
+ mutex_unlock(&cxt->pstore_zone_info_lock);
+ return;
+ }
+
+ /* Stop incoming writes from pstore. */
+ pstore_unregister(&cxt->pstore);
+
+ /* Flush any pending writes. */
+ psz_flush_all_dirty_zones(NULL);
+ flush_delayed_work(&psz_cleaner);
+
+ /* Clean up allocations. */
+ kfree(cxt->pstore.buf);
+ cxt->pstore.buf = NULL;
+ cxt->pstore.bufsize = 0;
+ cxt->pstore_zone_info = NULL;
+
+ psz_free_all_zones(cxt);
+
+ /* Clear counters and zone state. */
+ cxt->oops_counter = 0;
+ cxt->panic_counter = 0;
+ atomic_set(&cxt->recovered, 0);
+ atomic_set(&cxt->on_panic, 0);
+
+ mutex_unlock(&cxt->pstore_zone_info_lock);
+}
+EXPORT_SYMBOL_GPL(unregister_pstore_zone);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("WeiXiong Liao <liaoweixiong@allwinnertech.com>");
+MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
+MODULE_DESCRIPTION("Storage Manager for pstore/blk");
diff --git a/fs/qnx6/inode.c b/fs/qnx6/inode.c
index 345db56c98fd..755293c8c71a 100644
--- a/fs/qnx6/inode.c
+++ b/fs/qnx6/inode.c
@@ -99,10 +99,9 @@ static int qnx6_readpage(struct file *file, struct page *page)
return mpage_readpage(page, qnx6_get_block);
}
-static int qnx6_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void qnx6_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, qnx6_get_block);
+ mpage_readahead(rac, qnx6_get_block);
}
/*
@@ -499,7 +498,7 @@ static sector_t qnx6_bmap(struct address_space *mapping, sector_t block)
}
static const struct address_space_operations qnx6_aops = {
.readpage = qnx6_readpage,
- .readpages = qnx6_readpages,
+ .readahead = qnx6_readahead,
.bmap = qnx6_bmap
};
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index b6a4f692d345..7b4bac91146b 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2841,7 +2841,7 @@ const struct quotactl_ops dquot_quotactl_sysfile_ops = {
EXPORT_SYMBOL(dquot_quotactl_sysfile_ops);
static int do_proc_dqstats(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
unsigned int type = (unsigned long *)table->data - dqstats.stat;
s64 value = percpu_counter_sum(&dqstats.counter[type]);
diff --git a/fs/readdir.c b/fs/readdir.c
index de2eceffdee8..a49f07c11cfb 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -157,17 +157,18 @@ static int fillonedir(struct dir_context *ctx, const char *name, int namlen,
}
buf->result++;
dirent = buf->dirent;
- if (!access_ok(dirent,
+ if (!user_write_access_begin(dirent,
(unsigned long)(dirent->d_name + namlen + 1) -
(unsigned long)dirent))
goto efault;
- if ( __put_user(d_ino, &dirent->d_ino) ||
- __put_user(offset, &dirent->d_offset) ||
- __put_user(namlen, &dirent->d_namlen) ||
- __copy_to_user(dirent->d_name, name, namlen) ||
- __put_user(0, dirent->d_name + namlen))
- goto efault;
+ unsafe_put_user(d_ino, &dirent->d_ino, efault_end);
+ unsafe_put_user(offset, &dirent->d_offset, efault_end);
+ unsafe_put_user(namlen, &dirent->d_namlen, efault_end);
+ unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
+ user_write_access_end();
return 0;
+efault_end:
+ user_write_access_end();
efault:
buf->result = -EFAULT;
return -EFAULT;
@@ -242,7 +243,7 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen,
return -EINTR;
dirent = buf->current_dir;
prev = (void __user *) dirent - prev_reclen;
- if (!user_access_begin(prev, reclen + prev_reclen))
+ if (!user_write_access_begin(prev, reclen + prev_reclen))
goto efault;
/* This might be 'dirent->d_off', but if so it will get overwritten */
@@ -251,14 +252,14 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen,
unsafe_put_user(reclen, &dirent->d_reclen, efault_end);
unsafe_put_user(d_type, (char __user *) dirent + reclen - 1, efault_end);
unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
- user_access_end();
+ user_write_access_end();
buf->current_dir = (void __user *)dirent + reclen;
buf->prev_reclen = reclen;
buf->count -= reclen;
return 0;
efault_end:
- user_access_end();
+ user_write_access_end();
efault:
buf->error = -EFAULT;
return -EFAULT;
@@ -275,9 +276,6 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
};
int error;
- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -327,7 +325,7 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen,
return -EINTR;
dirent = buf->current_dir;
prev = (void __user *)dirent - prev_reclen;
- if (!user_access_begin(prev, reclen + prev_reclen))
+ if (!user_write_access_begin(prev, reclen + prev_reclen))
goto efault;
/* This might be 'dirent->d_off', but if so it will get overwritten */
@@ -336,7 +334,7 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen,
unsafe_put_user(reclen, &dirent->d_reclen, efault_end);
unsafe_put_user(d_type, &dirent->d_type, efault_end);
unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
- user_access_end();
+ user_write_access_end();
buf->prev_reclen = reclen;
buf->current_dir = (void __user *)dirent + reclen;
@@ -344,7 +342,7 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen,
return 0;
efault_end:
- user_access_end();
+ user_write_access_end();
efault:
buf->error = -EFAULT;
return -EFAULT;
@@ -361,9 +359,6 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
};
int error;
- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -376,7 +371,7 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
typeof(lastdirent->d_off) d_off = buf.ctx.pos;
lastdirent = (void __user *) buf.current_dir - buf.prev_reclen;
- if (__put_user(d_off, &lastdirent->d_off))
+ if (put_user(d_off, &lastdirent->d_off))
error = -EFAULT;
else
error = count - buf.count;
@@ -424,17 +419,18 @@ static int compat_fillonedir(struct dir_context *ctx, const char *name,
}
buf->result++;
dirent = buf->dirent;
- if (!access_ok(dirent,
+ if (!user_write_access_begin(dirent,
(unsigned long)(dirent->d_name + namlen + 1) -
(unsigned long)dirent))
goto efault;
- if ( __put_user(d_ino, &dirent->d_ino) ||
- __put_user(offset, &dirent->d_offset) ||
- __put_user(namlen, &dirent->d_namlen) ||
- __copy_to_user(dirent->d_name, name, namlen) ||
- __put_user(0, dirent->d_name + namlen))
- goto efault;
+ unsafe_put_user(d_ino, &dirent->d_ino, efault_end);
+ unsafe_put_user(offset, &dirent->d_offset, efault_end);
+ unsafe_put_user(namlen, &dirent->d_namlen, efault_end);
+ unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
+ user_write_access_end();
return 0;
+efault_end:
+ user_write_access_end();
efault:
buf->result = -EFAULT;
return -EFAULT;
@@ -471,7 +467,7 @@ struct compat_linux_dirent {
struct compat_getdents_callback {
struct dir_context ctx;
struct compat_linux_dirent __user *current_dir;
- struct compat_linux_dirent __user *previous;
+ int prev_reclen;
int count;
int error;
};
@@ -479,13 +475,17 @@ struct compat_getdents_callback {
static int compat_filldir(struct dir_context *ctx, const char *name, int namlen,
loff_t offset, u64 ino, unsigned int d_type)
{
- struct compat_linux_dirent __user * dirent;
+ struct compat_linux_dirent __user *dirent, *prev;
struct compat_getdents_callback *buf =
container_of(ctx, struct compat_getdents_callback, ctx);
compat_ulong_t d_ino;
int reclen = ALIGN(offsetof(struct compat_linux_dirent, d_name) +
namlen + 2, sizeof(compat_long_t));
+ int prev_reclen;
+ buf->error = verify_dirent_name(name, namlen);
+ if (unlikely(buf->error))
+ return buf->error;
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
return -EINVAL;
@@ -494,29 +494,27 @@ static int compat_filldir(struct dir_context *ctx, const char *name, int namlen,
buf->error = -EOVERFLOW;
return -EOVERFLOW;
}
- dirent = buf->previous;
- if (dirent) {
- if (signal_pending(current))
- return -EINTR;
- if (__put_user(offset, &dirent->d_off))
- goto efault;
- }
+ prev_reclen = buf->prev_reclen;
+ if (prev_reclen && signal_pending(current))
+ return -EINTR;
dirent = buf->current_dir;
- if (__put_user(d_ino, &dirent->d_ino))
- goto efault;
- if (__put_user(reclen, &dirent->d_reclen))
- goto efault;
- if (copy_to_user(dirent->d_name, name, namlen))
- goto efault;
- if (__put_user(0, dirent->d_name + namlen))
- goto efault;
- if (__put_user(d_type, (char __user *) dirent + reclen - 1))
+ prev = (void __user *) dirent - prev_reclen;
+ if (!user_write_access_begin(prev, reclen + prev_reclen))
goto efault;
- buf->previous = dirent;
- dirent = (void __user *)dirent + reclen;
- buf->current_dir = dirent;
+
+ unsafe_put_user(offset, &prev->d_off, efault_end);
+ unsafe_put_user(d_ino, &dirent->d_ino, efault_end);
+ unsafe_put_user(reclen, &dirent->d_reclen, efault_end);
+ unsafe_put_user(d_type, (char __user *) dirent + reclen - 1, efault_end);
+ unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
+ user_write_access_end();
+
+ buf->prev_reclen = reclen;
+ buf->current_dir = (void __user *)dirent + reclen;
buf->count -= reclen;
return 0;
+efault_end:
+ user_write_access_end();
efault:
buf->error = -EFAULT;
return -EFAULT;
@@ -526,7 +524,6 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd,
struct compat_linux_dirent __user *, dirent, unsigned int, count)
{
struct fd f;
- struct compat_linux_dirent __user * lastdirent;
struct compat_getdents_callback buf = {
.ctx.actor = compat_filldir,
.current_dir = dirent,
@@ -534,9 +531,6 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd,
};
int error;
- if (!access_ok(dirent, count))
- return -EFAULT;
-
f = fdget_pos(fd);
if (!f.file)
return -EBADF;
@@ -544,8 +538,10 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd,
error = iterate_dir(f.file, &buf.ctx);
if (error >= 0)
error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
+ if (buf.prev_reclen) {
+ struct compat_linux_dirent __user * lastdirent;
+ lastdirent = (void __user *)buf.current_dir - buf.prev_reclen;
+
if (put_user(buf.ctx.pos, &lastdirent->d_off))
error = -EFAULT;
else
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 84cf8bdbec9c..0b641ae694f1 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -159,7 +159,7 @@ static int reiserfs_sync_file(struct file *filp, loff_t start, loff_t end,
barrier_done = reiserfs_commit_for_inode(inode);
reiserfs_write_unlock(inode->i_sb);
if (barrier_done != 1 && reiserfs_barrier_flush(inode->i_sb))
- blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
inode_unlock(inode);
if (barrier_done < 0)
return barrier_done;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 6419e6dacc39..0031070b3692 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1160,11 +1160,9 @@ failure:
return retval;
}
-static int
-reiserfs_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void reiserfs_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, reiserfs_get_block);
+ mpage_readahead(rac, reiserfs_get_block);
}
/*
@@ -3434,7 +3432,7 @@ out:
const struct address_space_operations reiserfs_address_space_operations = {
.writepage = reiserfs_writepage,
.readpage = reiserfs_readpage,
- .readpages = reiserfs_readpages,
+ .readahead = reiserfs_readahead,
.releasepage = reiserfs_releasepage,
.invalidatepage = reiserfs_invalidatepage,
.write_begin = reiserfs_write_begin,
diff --git a/fs/romfs/Kconfig b/fs/romfs/Kconfig
index ad4c45788896..9737b8e68878 100644
--- a/fs/romfs/Kconfig
+++ b/fs/romfs/Kconfig
@@ -6,7 +6,7 @@ config ROMFS_FS
This is a very small read-only file system mainly intended for
initial ram disks of installation disks, but it could be used for
other read-only media as well. Read
- <file:Documentation/filesystems/romfs.txt> for details.
+ <file:Documentation/filesystems/romfs.rst> for details.
To compile this file system support as a module, choose M here: the
module will be called romfs. Note that the file system of your
diff --git a/fs/splice.c b/fs/splice.c
index 4735defc46ee..6b3c9a018a8e 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -44,8 +44,8 @@
* addition of remove_mapping(). If success is returned, the caller may
* attempt to reuse this page for another destination.
*/
-static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
+static bool page_cache_pipe_buf_try_steal(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf)
{
struct page *page = buf->page;
struct address_space *mapping;
@@ -76,7 +76,7 @@ static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe,
*/
if (remove_mapping(mapping, page)) {
buf->flags |= PIPE_BUF_FLAG_LRU;
- return 0;
+ return true;
}
}
@@ -86,7 +86,7 @@ static int page_cache_pipe_buf_steal(struct pipe_inode_info *pipe,
*/
out_unlock:
unlock_page(page);
- return 1;
+ return false;
}
static void page_cache_pipe_buf_release(struct pipe_inode_info *pipe,
@@ -139,27 +139,26 @@ error:
}
const struct pipe_buf_operations page_cache_pipe_buf_ops = {
- .confirm = page_cache_pipe_buf_confirm,
- .release = page_cache_pipe_buf_release,
- .steal = page_cache_pipe_buf_steal,
- .get = generic_pipe_buf_get,
+ .confirm = page_cache_pipe_buf_confirm,
+ .release = page_cache_pipe_buf_release,
+ .try_steal = page_cache_pipe_buf_try_steal,
+ .get = generic_pipe_buf_get,
};
-static int user_page_pipe_buf_steal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
+static bool user_page_pipe_buf_try_steal(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf)
{
if (!(buf->flags & PIPE_BUF_FLAG_GIFT))
- return 1;
+ return false;
buf->flags |= PIPE_BUF_FLAG_LRU;
- return generic_pipe_buf_steal(pipe, buf);
+ return generic_pipe_buf_try_steal(pipe, buf);
}
static const struct pipe_buf_operations user_page_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = page_cache_pipe_buf_release,
- .steal = user_page_pipe_buf_steal,
- .get = generic_pipe_buf_get,
+ .release = page_cache_pipe_buf_release,
+ .try_steal = user_page_pipe_buf_try_steal,
+ .get = generic_pipe_buf_get,
};
static void wakeup_pipe_readers(struct pipe_inode_info *pipe)
@@ -331,24 +330,15 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos,
EXPORT_SYMBOL(generic_file_splice_read);
const struct pipe_buf_operations default_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = generic_pipe_buf_release,
- .steal = generic_pipe_buf_steal,
- .get = generic_pipe_buf_get,
+ .release = generic_pipe_buf_release,
+ .try_steal = generic_pipe_buf_try_steal,
+ .get = generic_pipe_buf_get,
};
-int generic_pipe_buf_nosteal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
-{
- return 1;
-}
-
/* Pipe buffer operations for a socket and similar. */
const struct pipe_buf_operations nosteal_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = generic_pipe_buf_release,
- .steal = generic_pipe_buf_nosteal,
- .get = generic_pipe_buf_get,
+ .release = generic_pipe_buf_release,
+ .get = generic_pipe_buf_get,
};
EXPORT_SYMBOL(nosteal_pipe_buf_ops);
@@ -852,15 +842,9 @@ EXPORT_SYMBOL(generic_splice_sendpage);
static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
loff_t *ppos, size_t len, unsigned int flags)
{
- ssize_t (*splice_write)(struct pipe_inode_info *, struct file *,
- loff_t *, size_t, unsigned int);
-
if (out->f_op->splice_write)
- splice_write = out->f_op->splice_write;
- else
- splice_write = default_file_splice_write;
-
- return splice_write(pipe, out, ppos, len, flags);
+ return out->f_op->splice_write(pipe, out, ppos, len, flags);
+ return default_file_splice_write(pipe, out, ppos, len, flags);
}
/*
@@ -870,8 +854,6 @@ static long do_splice_to(struct file *in, loff_t *ppos,
struct pipe_inode_info *pipe, size_t len,
unsigned int flags)
{
- ssize_t (*splice_read)(struct file *, loff_t *,
- struct pipe_inode_info *, size_t, unsigned int);
int ret;
if (unlikely(!(in->f_mode & FMODE_READ)))
@@ -885,11 +867,8 @@ static long do_splice_to(struct file *in, loff_t *ppos,
len = MAX_RW_COUNT;
if (in->f_op->splice_read)
- splice_read = in->f_op->splice_read;
- else
- splice_read = default_file_splice_read;
-
- return splice_read(in, ppos, pipe, len, flags);
+ return in->f_op->splice_read(in, ppos, pipe, len, flags);
+ return default_file_splice_read(in, ppos, pipe, len, flags);
}
/**
@@ -1118,6 +1097,10 @@ long do_splice(struct file *in, loff_t __user *off_in,
loff_t offset;
long ret;
+ if (unlikely(!(in->f_mode & FMODE_READ) ||
+ !(out->f_mode & FMODE_WRITE)))
+ return -EBADF;
+
ipipe = get_pipe_info(in);
opipe = get_pipe_info(out);
@@ -1125,12 +1108,6 @@ long do_splice(struct file *in, loff_t __user *off_in,
if (off_in || off_out)
return -ESPIPE;
- if (!(in->f_mode & FMODE_READ))
- return -EBADF;
-
- if (!(out->f_mode & FMODE_WRITE))
- return -EBADF;
-
/* Splicing to self would be fun, but... */
if (ipipe == opipe)
return -EINVAL;
@@ -1153,9 +1130,6 @@ long do_splice(struct file *in, loff_t __user *off_in,
offset = out->f_pos;
}
- if (unlikely(!(out->f_mode & FMODE_WRITE)))
- return -EBADF;
-
if (unlikely(out->f_flags & O_APPEND))
return -EINVAL;
@@ -1440,15 +1414,11 @@ SYSCALL_DEFINE6(splice, int, fd_in, loff_t __user *, off_in,
error = -EBADF;
in = fdget(fd_in);
if (in.file) {
- if (in.file->f_mode & FMODE_READ) {
- out = fdget(fd_out);
- if (out.file) {
- if (out.file->f_mode & FMODE_WRITE)
- error = do_splice(in.file, off_in,
- out.file, off_out,
- len, flags);
- fdput(out);
- }
+ out = fdget(fd_out);
+ if (out.file) {
+ error = do_splice(in.file, off_in, out.file, off_out,
+ len, flags);
+ fdput(out);
}
fdput(in);
}
@@ -1503,7 +1473,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags)
* Check pipe occupancy without the inode lock first. This function
* is speculative anyways, so missing one is ok.
*/
- if (pipe_full(pipe->head, pipe->tail, pipe->max_usage))
+ if (!pipe_full(pipe->head, pipe->tail, pipe->max_usage))
return 0;
ret = 0;
@@ -1635,12 +1605,11 @@ retry:
*obuf = *ibuf;
/*
- * Don't inherit the gift flag, we need to
+ * Don't inherit the gift and merge flags, we need to
* prevent multiple steals of this page.
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
-
- pipe_buf_mark_unmergeable(obuf);
+ obuf->flags &= ~PIPE_BUF_FLAG_CAN_MERGE;
obuf->len = len;
ibuf->offset += len;
@@ -1728,12 +1697,11 @@ static int link_pipe(struct pipe_inode_info *ipipe,
*obuf = *ibuf;
/*
- * Don't inherit the gift flag, we need to
- * prevent multiple steals of this page.
+ * Don't inherit the gift and merge flag, we need to prevent
+ * multiple steals of this page.
*/
obuf->flags &= ~PIPE_BUF_FLAG_GIFT;
-
- pipe_buf_mark_unmergeable(obuf);
+ obuf->flags &= ~PIPE_BUF_FLAG_CAN_MERGE;
if (obuf->len > len)
obuf->len = len;
@@ -1763,13 +1731,16 @@ static int link_pipe(struct pipe_inode_info *ipipe,
* The 'flags' used are the SPLICE_F_* variants, currently the only
* applicable one is SPLICE_F_NONBLOCK.
*/
-static long do_tee(struct file *in, struct file *out, size_t len,
- unsigned int flags)
+long do_tee(struct file *in, struct file *out, size_t len, unsigned int flags)
{
struct pipe_inode_info *ipipe = get_pipe_info(in);
struct pipe_inode_info *opipe = get_pipe_info(out);
int ret = -EINVAL;
+ if (unlikely(!(in->f_mode & FMODE_READ) ||
+ !(out->f_mode & FMODE_WRITE)))
+ return -EBADF;
+
/*
* Duplicate the contents of ipipe to opipe without actually
* copying the data.
@@ -1795,7 +1766,7 @@ static long do_tee(struct file *in, struct file *out, size_t len,
SYSCALL_DEFINE4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags)
{
- struct fd in;
+ struct fd in, out;
int error;
if (unlikely(flags & ~SPLICE_F_ALL))
@@ -1807,14 +1778,10 @@ SYSCALL_DEFINE4(tee, int, fdin, int, fdout, size_t, len, unsigned int, flags)
error = -EBADF;
in = fdget(fdin);
if (in.file) {
- if (in.file->f_mode & FMODE_READ) {
- struct fd out = fdget(fdout);
- if (out.file) {
- if (out.file->f_mode & FMODE_WRITE)
- error = do_tee(in.file, out.file,
- len, flags);
- fdput(out);
- }
+ out = fdget(fdout);
+ if (out.file) {
+ error = do_tee(in.file, out.file, len, flags);
+ fdput(out);
}
fdput(in);
}
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 4f9b9fb59362..64f61330564a 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -13,6 +13,7 @@
* datablocks and metadata blocks.
*/
+#include <linux/blkdev.h>
#include <linux/fs.h>
#include <linux/vfs.h>
#include <linux/slab.h>
@@ -27,44 +28,103 @@
#include "page_actor.h"
/*
- * Read the metadata block length, this is stored in the first two
- * bytes of the metadata block.
+ * Returns the amount of bytes copied to the page actor.
*/
-static struct buffer_head *get_block_length(struct super_block *sb,
- u64 *cur_index, int *offset, int *length)
+static int copy_bio_to_actor(struct bio *bio,
+ struct squashfs_page_actor *actor,
+ int offset, int req_length)
+{
+ void *actor_addr = squashfs_first_page(actor);
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
+ int copied_bytes = 0;
+ int actor_offset = 0;
+
+ if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all)))
+ return 0;
+
+ while (copied_bytes < req_length) {
+ int bytes_to_copy = min_t(int, bvec->bv_len - offset,
+ PAGE_SIZE - actor_offset);
+
+ bytes_to_copy = min_t(int, bytes_to_copy,
+ req_length - copied_bytes);
+ memcpy(actor_addr + actor_offset,
+ page_address(bvec->bv_page) + bvec->bv_offset + offset,
+ bytes_to_copy);
+
+ actor_offset += bytes_to_copy;
+ copied_bytes += bytes_to_copy;
+ offset += bytes_to_copy;
+
+ if (actor_offset >= PAGE_SIZE) {
+ actor_addr = squashfs_next_page(actor);
+ if (!actor_addr)
+ break;
+ actor_offset = 0;
+ }
+ if (offset >= bvec->bv_len) {
+ if (!bio_next_segment(bio, &iter_all))
+ break;
+ offset = 0;
+ }
+ }
+ squashfs_finish_page(actor);
+ return copied_bytes;
+}
+
+static int squashfs_bio_read(struct super_block *sb, u64 index, int length,
+ struct bio **biop, int *block_offset)
{
struct squashfs_sb_info *msblk = sb->s_fs_info;
- struct buffer_head *bh;
-
- bh = sb_bread(sb, *cur_index);
- if (bh == NULL)
- return NULL;
-
- if (msblk->devblksize - *offset == 1) {
- *length = (unsigned char) bh->b_data[*offset];
- put_bh(bh);
- bh = sb_bread(sb, ++(*cur_index));
- if (bh == NULL)
- return NULL;
- *length |= (unsigned char) bh->b_data[0] << 8;
- *offset = 1;
- } else {
- *length = (unsigned char) bh->b_data[*offset] |
- (unsigned char) bh->b_data[*offset + 1] << 8;
- *offset += 2;
-
- if (*offset == msblk->devblksize) {
- put_bh(bh);
- bh = sb_bread(sb, ++(*cur_index));
- if (bh == NULL)
- return NULL;
- *offset = 0;
+ const u64 read_start = round_down(index, msblk->devblksize);
+ const sector_t block = read_start >> msblk->devblksize_log2;
+ const u64 read_end = round_up(index + length, msblk->devblksize);
+ const sector_t block_end = read_end >> msblk->devblksize_log2;
+ int offset = read_start - round_down(index, PAGE_SIZE);
+ int total_len = (block_end - block) << msblk->devblksize_log2;
+ const int page_count = DIV_ROUND_UP(total_len + offset, PAGE_SIZE);
+ int error, i;
+ struct bio *bio;
+
+ bio = bio_alloc(GFP_NOIO, page_count);
+ if (!bio)
+ return -ENOMEM;
+
+ bio_set_dev(bio, sb->s_bdev);
+ bio->bi_opf = READ;
+ bio->bi_iter.bi_sector = block * (msblk->devblksize >> SECTOR_SHIFT);
+
+ for (i = 0; i < page_count; ++i) {
+ unsigned int len =
+ min_t(unsigned int, PAGE_SIZE - offset, total_len);
+ struct page *page = alloc_page(GFP_NOIO);
+
+ if (!page) {
+ error = -ENOMEM;
+ goto out_free_bio;
+ }
+ if (!bio_add_page(bio, page, len, offset)) {
+ error = -EIO;
+ goto out_free_bio;
}
+ offset = 0;
+ total_len -= len;
}
- return bh;
-}
+ error = submit_bio_wait(bio);
+ if (error)
+ goto out_free_bio;
+ *biop = bio;
+ *block_offset = index & ((1 << msblk->devblksize_log2) - 1);
+ return 0;
+
+out_free_bio:
+ bio_free_pages(bio);
+ bio_put(bio);
+ return error;
+}
/*
* Read and decompress a metadata block or datablock. Length is non-zero
@@ -76,129 +136,88 @@ static struct buffer_head *get_block_length(struct super_block *sb,
* algorithms).
*/
int squashfs_read_data(struct super_block *sb, u64 index, int length,
- u64 *next_index, struct squashfs_page_actor *output)
+ u64 *next_index, struct squashfs_page_actor *output)
{
struct squashfs_sb_info *msblk = sb->s_fs_info;
- struct buffer_head **bh;
- int offset = index & ((1 << msblk->devblksize_log2) - 1);
- u64 cur_index = index >> msblk->devblksize_log2;
- int bytes, compressed, b = 0, k = 0, avail, i;
-
- bh = kcalloc(((output->length + msblk->devblksize - 1)
- >> msblk->devblksize_log2) + 1, sizeof(*bh), GFP_KERNEL);
- if (bh == NULL)
- return -ENOMEM;
+ struct bio *bio = NULL;
+ int compressed;
+ int res;
+ int offset;
if (length) {
/*
* Datablock.
*/
- bytes = -offset;
compressed = SQUASHFS_COMPRESSED_BLOCK(length);
length = SQUASHFS_COMPRESSED_SIZE_BLOCK(length);
- if (next_index)
- *next_index = index + length;
-
TRACE("Block @ 0x%llx, %scompressed size %d, src size %d\n",
index, compressed ? "" : "un", length, output->length);
-
- if (length < 0 || length > output->length ||
- (index + length) > msblk->bytes_used)
- goto read_failure;
-
- for (b = 0; bytes < length; b++, cur_index++) {
- bh[b] = sb_getblk(sb, cur_index);
- if (bh[b] == NULL)
- goto block_release;
- bytes += msblk->devblksize;
- }
- ll_rw_block(REQ_OP_READ, 0, b, bh);
} else {
/*
* Metadata block.
*/
- if ((index + 2) > msblk->bytes_used)
- goto read_failure;
+ const u8 *data;
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
- bh[0] = get_block_length(sb, &cur_index, &offset, &length);
- if (bh[0] == NULL)
- goto read_failure;
- b = 1;
+ if (index + 2 > msblk->bytes_used) {
+ res = -EIO;
+ goto out;
+ }
+ res = squashfs_bio_read(sb, index, 2, &bio, &offset);
+ if (res)
+ goto out;
+
+ if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {
+ res = -EIO;
+ goto out_free_bio;
+ }
+ /* Extract the length of the metadata block */
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
+ length = data[offset];
+ if (offset <= bvec->bv_len - 1) {
+ length |= data[offset + 1] << 8;
+ } else {
+ if (WARN_ON_ONCE(!bio_next_segment(bio, &iter_all))) {
+ res = -EIO;
+ goto out_free_bio;
+ }
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
+ length |= data[0] << 8;
+ }
+ bio_free_pages(bio);
+ bio_put(bio);
- bytes = msblk->devblksize - offset;
compressed = SQUASHFS_COMPRESSED(length);
length = SQUASHFS_COMPRESSED_SIZE(length);
- if (next_index)
- *next_index = index + length + 2;
+ index += 2;
TRACE("Block @ 0x%llx, %scompressed size %d\n", index,
- compressed ? "" : "un", length);
-
- if (length < 0 || length > output->length ||
- (index + length) > msblk->bytes_used)
- goto block_release;
-
- for (; bytes < length; b++) {
- bh[b] = sb_getblk(sb, ++cur_index);
- if (bh[b] == NULL)
- goto block_release;
- bytes += msblk->devblksize;
- }
- ll_rw_block(REQ_OP_READ, 0, b - 1, bh + 1);
+ compressed ? "" : "un", length);
}
+ if (next_index)
+ *next_index = index + length;
- for (i = 0; i < b; i++) {
- wait_on_buffer(bh[i]);
- if (!buffer_uptodate(bh[i]))
- goto block_release;
- }
+ res = squashfs_bio_read(sb, index, length, &bio, &offset);
+ if (res)
+ goto out;
if (compressed) {
- if (!msblk->stream)
- goto read_failure;
- length = squashfs_decompress(msblk, bh, b, offset, length,
- output);
- if (length < 0)
- goto read_failure;
- } else {
- /*
- * Block is uncompressed.
- */
- int in, pg_offset = 0;
- void *data = squashfs_first_page(output);
-
- for (bytes = length; k < b; k++) {
- in = min(bytes, msblk->devblksize - offset);
- bytes -= in;
- while (in) {
- if (pg_offset == PAGE_SIZE) {
- data = squashfs_next_page(output);
- pg_offset = 0;
- }
- avail = min_t(int, in, PAGE_SIZE -
- pg_offset);
- memcpy(data + pg_offset, bh[k]->b_data + offset,
- avail);
- in -= avail;
- pg_offset += avail;
- offset += avail;
- }
- offset = 0;
- put_bh(bh[k]);
+ if (!msblk->stream) {
+ res = -EIO;
+ goto out_free_bio;
}
- squashfs_finish_page(output);
+ res = squashfs_decompress(msblk, bio, offset, length, output);
+ } else {
+ res = copy_bio_to_actor(bio, output, offset, length);
}
- kfree(bh);
- return length;
-
-block_release:
- for (; k < b; k++)
- put_bh(bh[k]);
+out_free_bio:
+ bio_free_pages(bio);
+ bio_put(bio);
+out:
+ if (res < 0)
+ ERROR("Failed to read block 0x%llx: %d\n", index, res);
-read_failure:
- ERROR("squashfs_read_data failed to read block 0x%llx\n",
- (unsigned long long) index);
- kfree(bh);
- return -EIO;
+ return res;
}
diff --git a/fs/squashfs/decompressor.h b/fs/squashfs/decompressor.h
index ec8617523e56..1b9ccfd0aa51 100644
--- a/fs/squashfs/decompressor.h
+++ b/fs/squashfs/decompressor.h
@@ -10,13 +10,14 @@
* decompressor.h
*/
+#include <linux/bio.h>
+
struct squashfs_decompressor {
void *(*init)(struct squashfs_sb_info *, void *);
void *(*comp_opts)(struct squashfs_sb_info *, void *, int);
void (*free)(void *);
int (*decompress)(struct squashfs_sb_info *, void *,
- struct buffer_head **, int, int, int,
- struct squashfs_page_actor *);
+ struct bio *, int, int, struct squashfs_page_actor *);
int id;
char *name;
int supported;
diff --git a/fs/squashfs/decompressor_multi.c b/fs/squashfs/decompressor_multi.c
index c181dee235bb..db9f12a3ea05 100644
--- a/fs/squashfs/decompressor_multi.c
+++ b/fs/squashfs/decompressor_multi.c
@@ -6,7 +6,7 @@
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/slab.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/cpumask.h>
@@ -180,14 +180,15 @@ wait:
}
-int squashfs_decompress(struct squashfs_sb_info *msblk, struct buffer_head **bh,
- int b, int offset, int length, struct squashfs_page_actor *output)
+int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio,
+ int offset, int length,
+ struct squashfs_page_actor *output)
{
int res;
struct squashfs_stream *stream = msblk->stream;
struct decomp_stream *decomp_stream = get_decomp_stream(msblk, stream);
res = msblk->decompressor->decompress(msblk, decomp_stream->stream,
- bh, b, offset, length, output);
+ bio, offset, length, output);
put_decomp_stream(decomp_stream, stream);
if (res < 0)
ERROR("%s decompression failed, data probably corrupt\n",
diff --git a/fs/squashfs/decompressor_multi_percpu.c b/fs/squashfs/decompressor_multi_percpu.c
index 2a2a2d106440..b881b9283b7f 100644
--- a/fs/squashfs/decompressor_multi_percpu.c
+++ b/fs/squashfs/decompressor_multi_percpu.c
@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <linux/percpu.h>
#include <linux/buffer_head.h>
+#include <linux/local_lock.h>
#include "squashfs_fs.h"
#include "squashfs_fs_sb.h"
@@ -20,7 +21,8 @@
*/
struct squashfs_stream {
- void *stream;
+ void *stream;
+ local_lock_t lock;
};
void *squashfs_decompressor_create(struct squashfs_sb_info *msblk,
@@ -41,6 +43,7 @@ void *squashfs_decompressor_create(struct squashfs_sb_info *msblk,
err = PTR_ERR(stream->stream);
goto out;
}
+ local_lock_init(&stream->lock);
}
kfree(comp_opts);
@@ -72,15 +75,19 @@ void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk)
}
}
-int squashfs_decompress(struct squashfs_sb_info *msblk, struct buffer_head **bh,
- int b, int offset, int length, struct squashfs_page_actor *output)
+int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio,
+ int offset, int length, struct squashfs_page_actor *output)
{
- struct squashfs_stream __percpu *percpu =
- (struct squashfs_stream __percpu *) msblk->stream;
- struct squashfs_stream *stream = get_cpu_ptr(percpu);
- int res = msblk->decompressor->decompress(msblk, stream->stream, bh, b,
- offset, length, output);
- put_cpu_ptr(stream);
+ struct squashfs_stream *stream;
+ int res;
+
+ local_lock(&msblk->stream->lock);
+ stream = this_cpu_ptr(msblk->stream);
+
+ res = msblk->decompressor->decompress(msblk, stream->stream, bio,
+ offset, length, output);
+
+ local_unlock(&msblk->stream->lock);
if (res < 0)
ERROR("%s decompression failed, data probably corrupt\n",
diff --git a/fs/squashfs/decompressor_single.c b/fs/squashfs/decompressor_single.c
index 550c3e592032..4eb3d083d45e 100644
--- a/fs/squashfs/decompressor_single.c
+++ b/fs/squashfs/decompressor_single.c
@@ -7,7 +7,7 @@
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/slab.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include "squashfs_fs.h"
#include "squashfs_fs_sb.h"
@@ -59,14 +59,15 @@ void squashfs_decompressor_destroy(struct squashfs_sb_info *msblk)
}
}
-int squashfs_decompress(struct squashfs_sb_info *msblk, struct buffer_head **bh,
- int b, int offset, int length, struct squashfs_page_actor *output)
+int squashfs_decompress(struct squashfs_sb_info *msblk, struct bio *bio,
+ int offset, int length,
+ struct squashfs_page_actor *output)
{
int res;
struct squashfs_stream *stream = msblk->stream;
mutex_lock(&stream->mutex);
- res = msblk->decompressor->decompress(msblk, stream->stream, bh, b,
+ res = msblk->decompressor->decompress(msblk, stream->stream, bio,
offset, length, output);
mutex_unlock(&stream->mutex);
diff --git a/fs/squashfs/lz4_wrapper.c b/fs/squashfs/lz4_wrapper.c
index c4e47e0588c7..233d5582fbee 100644
--- a/fs/squashfs/lz4_wrapper.c
+++ b/fs/squashfs/lz4_wrapper.c
@@ -4,7 +4,7 @@
* Phillip Lougher <phillip@squashfs.org.uk>
*/
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
@@ -89,20 +89,23 @@ static void lz4_free(void *strm)
static int lz4_uncompress(struct squashfs_sb_info *msblk, void *strm,
- struct buffer_head **bh, int b, int offset, int length,
+ struct bio *bio, int offset, int length,
struct squashfs_page_actor *output)
{
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
struct squashfs_lz4 *stream = strm;
void *buff = stream->input, *data;
- int avail, i, bytes = length, res;
+ int bytes = length, res;
- for (i = 0; i < b; i++) {
- avail = min(bytes, msblk->devblksize - offset);
- memcpy(buff, bh[i]->b_data + offset, avail);
+ while (bio_next_segment(bio, &iter_all)) {
+ int avail = min(bytes, ((int)bvec->bv_len) - offset);
+
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
+ memcpy(buff, data + offset, avail);
buff += avail;
bytes -= avail;
offset = 0;
- put_bh(bh[i]);
}
res = LZ4_decompress_safe(stream->input, stream->output,
diff --git a/fs/squashfs/lzo_wrapper.c b/fs/squashfs/lzo_wrapper.c
index aa3c3dafc33d..97bb7d92ddcd 100644
--- a/fs/squashfs/lzo_wrapper.c
+++ b/fs/squashfs/lzo_wrapper.c
@@ -9,7 +9,7 @@
*/
#include <linux/mutex.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/lzo.h>
@@ -63,21 +63,24 @@ static void lzo_free(void *strm)
static int lzo_uncompress(struct squashfs_sb_info *msblk, void *strm,
- struct buffer_head **bh, int b, int offset, int length,
+ struct bio *bio, int offset, int length,
struct squashfs_page_actor *output)
{
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
struct squashfs_lzo *stream = strm;
void *buff = stream->input, *data;
- int avail, i, bytes = length, res;
+ int bytes = length, res;
size_t out_len = output->length;
- for (i = 0; i < b; i++) {
- avail = min(bytes, msblk->devblksize - offset);
- memcpy(buff, bh[i]->b_data + offset, avail);
+ while (bio_next_segment(bio, &iter_all)) {
+ int avail = min(bytes, ((int)bvec->bv_len) - offset);
+
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
+ memcpy(buff, data + offset, avail);
buff += avail;
bytes -= avail;
offset = 0;
- put_bh(bh[i]);
}
res = lzo1x_decompress_safe(stream->input, (size_t)length,
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 2797763ed046..9783e01c8100 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -40,8 +40,8 @@ extern void *squashfs_decompressor_setup(struct super_block *, unsigned short);
/* decompressor_xxx.c */
extern void *squashfs_decompressor_create(struct squashfs_sb_info *, void *);
extern void squashfs_decompressor_destroy(struct squashfs_sb_info *);
-extern int squashfs_decompress(struct squashfs_sb_info *, struct buffer_head **,
- int, int, int, struct squashfs_page_actor *);
+extern int squashfs_decompress(struct squashfs_sb_info *, struct bio *,
+ int, int, struct squashfs_page_actor *);
extern int squashfs_max_decompressors(void);
/* export.c */
diff --git a/fs/squashfs/xz_wrapper.c b/fs/squashfs/xz_wrapper.c
index 4b2f2051a6dc..e80419aed862 100644
--- a/fs/squashfs/xz_wrapper.c
+++ b/fs/squashfs/xz_wrapper.c
@@ -10,7 +10,7 @@
#include <linux/mutex.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/xz.h>
#include <linux/bitops.h>
@@ -117,11 +117,12 @@ static void squashfs_xz_free(void *strm)
static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void *strm,
- struct buffer_head **bh, int b, int offset, int length,
+ struct bio *bio, int offset, int length,
struct squashfs_page_actor *output)
{
- enum xz_ret xz_err;
- int avail, total = 0, k = 0;
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
+ int total = 0, error = 0;
struct squashfs_xz *stream = strm;
xz_dec_reset(stream->state);
@@ -131,11 +132,23 @@ static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void *strm,
stream->buf.out_size = PAGE_SIZE;
stream->buf.out = squashfs_first_page(output);
- do {
- if (stream->buf.in_pos == stream->buf.in_size && k < b) {
- avail = min(length, msblk->devblksize - offset);
+ for (;;) {
+ enum xz_ret xz_err;
+
+ if (stream->buf.in_pos == stream->buf.in_size) {
+ const void *data;
+ int avail;
+
+ if (!bio_next_segment(bio, &iter_all)) {
+ /* XZ_STREAM_END must be reached. */
+ error = -EIO;
+ break;
+ }
+
+ avail = min(length, ((int)bvec->bv_len) - offset);
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
length -= avail;
- stream->buf.in = bh[k]->b_data + offset;
+ stream->buf.in = data + offset;
stream->buf.in_size = avail;
stream->buf.in_pos = 0;
offset = 0;
@@ -150,23 +163,17 @@ static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void *strm,
}
xz_err = xz_dec_run(stream->state, &stream->buf);
-
- if (stream->buf.in_pos == stream->buf.in_size && k < b)
- put_bh(bh[k++]);
- } while (xz_err == XZ_OK);
+ if (xz_err == XZ_STREAM_END)
+ break;
+ if (xz_err != XZ_OK) {
+ error = -EIO;
+ break;
+ }
+ }
squashfs_finish_page(output);
- if (xz_err != XZ_STREAM_END || k < b)
- goto out;
-
- return total + stream->buf.out_pos;
-
-out:
- for (; k < b; k++)
- put_bh(bh[k]);
-
- return -EIO;
+ return error ? error : total + stream->buf.out_pos;
}
const struct squashfs_decompressor squashfs_xz_comp_ops = {
diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
index f2226afa1625..bcb881ec47f2 100644
--- a/fs/squashfs/zlib_wrapper.c
+++ b/fs/squashfs/zlib_wrapper.c
@@ -10,7 +10,7 @@
#include <linux/mutex.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/zlib.h>
#include <linux/vmalloc.h>
@@ -50,21 +50,35 @@ static void zlib_free(void *strm)
static int zlib_uncompress(struct squashfs_sb_info *msblk, void *strm,
- struct buffer_head **bh, int b, int offset, int length,
+ struct bio *bio, int offset, int length,
struct squashfs_page_actor *output)
{
- int zlib_err, zlib_init = 0, k = 0;
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
+ int zlib_init = 0, error = 0;
z_stream *stream = strm;
stream->avail_out = PAGE_SIZE;
stream->next_out = squashfs_first_page(output);
stream->avail_in = 0;
- do {
- if (stream->avail_in == 0 && k < b) {
- int avail = min(length, msblk->devblksize - offset);
+ for (;;) {
+ int zlib_err;
+
+ if (stream->avail_in == 0) {
+ const void *data;
+ int avail;
+
+ if (!bio_next_segment(bio, &iter_all)) {
+ /* Z_STREAM_END must be reached. */
+ error = -EIO;
+ break;
+ }
+
+ avail = min(length, ((int)bvec->bv_len) - offset);
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
length -= avail;
- stream->next_in = bh[k]->b_data + offset;
+ stream->next_in = data + offset;
stream->avail_in = avail;
offset = 0;
}
@@ -78,37 +92,28 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void *strm,
if (!zlib_init) {
zlib_err = zlib_inflateInit(stream);
if (zlib_err != Z_OK) {
- squashfs_finish_page(output);
- goto out;
+ error = -EIO;
+ break;
}
zlib_init = 1;
}
zlib_err = zlib_inflate(stream, Z_SYNC_FLUSH);
-
- if (stream->avail_in == 0 && k < b)
- put_bh(bh[k++]);
- } while (zlib_err == Z_OK);
+ if (zlib_err == Z_STREAM_END)
+ break;
+ if (zlib_err != Z_OK) {
+ error = -EIO;
+ break;
+ }
+ }
squashfs_finish_page(output);
- if (zlib_err != Z_STREAM_END)
- goto out;
-
- zlib_err = zlib_inflateEnd(stream);
- if (zlib_err != Z_OK)
- goto out;
-
- if (k < b)
- goto out;
-
- return stream->total_out;
-
-out:
- for (; k < b; k++)
- put_bh(bh[k]);
+ if (!error)
+ if (zlib_inflateEnd(stream) != Z_OK)
+ error = -EIO;
- return -EIO;
+ return error ? error : stream->total_out;
}
const struct squashfs_decompressor squashfs_zlib_comp_ops = {
diff --git a/fs/squashfs/zstd_wrapper.c b/fs/squashfs/zstd_wrapper.c
index b448c2a1d0ed..b7cb1faa652d 100644
--- a/fs/squashfs/zstd_wrapper.c
+++ b/fs/squashfs/zstd_wrapper.c
@@ -9,7 +9,7 @@
*/
#include <linux/mutex.h>
-#include <linux/buffer_head.h>
+#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/zstd.h>
#include <linux/vmalloc.h>
@@ -59,33 +59,44 @@ static void zstd_free(void *strm)
static int zstd_uncompress(struct squashfs_sb_info *msblk, void *strm,
- struct buffer_head **bh, int b, int offset, int length,
+ struct bio *bio, int offset, int length,
struct squashfs_page_actor *output)
{
struct workspace *wksp = strm;
ZSTD_DStream *stream;
size_t total_out = 0;
- size_t zstd_err;
- int k = 0;
+ int error = 0;
ZSTD_inBuffer in_buf = { NULL, 0, 0 };
ZSTD_outBuffer out_buf = { NULL, 0, 0 };
+ struct bvec_iter_all iter_all = {};
+ struct bio_vec *bvec = bvec_init_iter_all(&iter_all);
stream = ZSTD_initDStream(wksp->window_size, wksp->mem, wksp->mem_size);
if (!stream) {
ERROR("Failed to initialize zstd decompressor\n");
- goto out;
+ return -EIO;
}
out_buf.size = PAGE_SIZE;
out_buf.dst = squashfs_first_page(output);
- do {
- if (in_buf.pos == in_buf.size && k < b) {
- int avail = min(length, msblk->devblksize - offset);
+ for (;;) {
+ size_t zstd_err;
+ if (in_buf.pos == in_buf.size) {
+ const void *data;
+ int avail;
+
+ if (!bio_next_segment(bio, &iter_all)) {
+ error = -EIO;
+ break;
+ }
+
+ avail = min(length, ((int)bvec->bv_len) - offset);
+ data = page_address(bvec->bv_page) + bvec->bv_offset;
length -= avail;
- in_buf.src = bh[k]->b_data + offset;
+ in_buf.src = data + offset;
in_buf.size = avail;
in_buf.pos = 0;
offset = 0;
@@ -97,8 +108,8 @@ static int zstd_uncompress(struct squashfs_sb_info *msblk, void *strm,
/* Shouldn't run out of pages
* before stream is done.
*/
- squashfs_finish_page(output);
- goto out;
+ error = -EIO;
+ break;
}
out_buf.pos = 0;
out_buf.size = PAGE_SIZE;
@@ -107,29 +118,20 @@ static int zstd_uncompress(struct squashfs_sb_info *msblk, void *strm,
total_out -= out_buf.pos;
zstd_err = ZSTD_decompressStream(stream, &out_buf, &in_buf);
total_out += out_buf.pos; /* add the additional data produced */
-
- if (in_buf.pos == in_buf.size && k < b)
- put_bh(bh[k++]);
- } while (zstd_err != 0 && !ZSTD_isError(zstd_err));
-
- squashfs_finish_page(output);
-
- if (ZSTD_isError(zstd_err)) {
- ERROR("zstd decompression error: %d\n",
- (int)ZSTD_getErrorCode(zstd_err));
- goto out;
+ if (zstd_err == 0)
+ break;
+
+ if (ZSTD_isError(zstd_err)) {
+ ERROR("zstd decompression error: %d\n",
+ (int)ZSTD_getErrorCode(zstd_err));
+ error = -EIO;
+ break;
+ }
}
- if (k < b)
- goto out;
-
- return (int)total_out;
-
-out:
- for (; k < b; k++)
- put_bh(bh[k]);
+ squashfs_finish_page(output);
- return -EIO;
+ return error ? error : total_out;
}
const struct squashfs_decompressor squashfs_zstd_comp_ops = {
diff --git a/fs/stat.c b/fs/stat.c
index 030008796479..44f8ad346db4 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -22,6 +22,7 @@
#include <asm/unistd.h>
#include "internal.h"
+#include "mount.h"
/**
* generic_fillattr - Fill in the basic attributes from the inode struct
@@ -70,15 +71,18 @@ int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
memset(stat, 0, sizeof(*stat));
stat->result_mask |= STATX_BASIC_STATS;
- request_mask &= STATX_ALL;
query_flags &= KSTAT_QUERY_FLAGS;
/* allow the fs to override these if it really wants to */
- if (IS_NOATIME(inode))
+ /* SB_NOATIME means filesystem supplies dummy atime value */
+ if (inode->i_sb->s_flags & SB_NOATIME)
stat->result_mask &= ~STATX_ATIME;
if (IS_AUTOMOUNT(inode))
stat->attributes |= STATX_ATTR_AUTOMOUNT;
+ if (IS_DAX(inode))
+ stat->attributes |= STATX_ATTR_DAX;
+
if (inode->i_op->getattr)
return inode->i_op->getattr(path, stat, request_mask,
query_flags);
@@ -152,7 +156,8 @@ int vfs_statx_fd(unsigned int fd, struct kstat *stat,
}
EXPORT_SYMBOL(vfs_statx_fd);
-inline unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags, int flags)
+static inline unsigned vfs_stat_set_lookup_flags(unsigned *lookup_flags,
+ int flags)
{
if ((flags & ~(AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT |
AT_EMPTY_PATH | KSTAT_QUERY_FLAGS)) != 0)
@@ -199,6 +204,11 @@ retry:
goto out;
error = vfs_getattr(&path, stat, request_mask, flags);
+ stat->mnt_id = real_mount(path.mnt)->mnt_id;
+ stat->result_mask |= STATX_MNT_ID;
+ if (path.mnt->mnt_root == path.dentry)
+ stat->attributes |= STATX_ATTR_MOUNT_ROOT;
+ stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT;
path_put(&path);
if (retry_estale(error, lookup_flags)) {
lookup_flags |= LOOKUP_REVAL;
@@ -533,7 +543,7 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename,
}
#endif /* __ARCH_WANT_STAT64 || __ARCH_WANT_COMPAT_STAT64 */
-noinline_for_stack int
+static noinline_for_stack int
cp_statx(const struct kstat *stat, struct statx __user *buffer)
{
struct statx tmp;
@@ -563,10 +573,29 @@ cp_statx(const struct kstat *stat, struct statx __user *buffer)
tmp.stx_rdev_minor = MINOR(stat->rdev);
tmp.stx_dev_major = MAJOR(stat->dev);
tmp.stx_dev_minor = MINOR(stat->dev);
+ tmp.stx_mnt_id = stat->mnt_id;
return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0;
}
+int do_statx(int dfd, const char __user *filename, unsigned flags,
+ unsigned int mask, struct statx __user *buffer)
+{
+ struct kstat stat;
+ int error;
+
+ if (mask & STATX__RESERVED)
+ return -EINVAL;
+ if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
+ return -EINVAL;
+
+ error = vfs_statx(dfd, filename, flags, &stat, mask);
+ if (error)
+ return error;
+
+ return cp_statx(&stat, buffer);
+}
+
/**
* sys_statx - System call to get enhanced stats
* @dfd: Base directory to pathwalk from *or* fd to stat.
@@ -583,19 +612,7 @@ SYSCALL_DEFINE5(statx,
unsigned int, mask,
struct statx __user *, buffer)
{
- struct kstat stat;
- int error;
-
- if (mask & STATX__RESERVED)
- return -EINVAL;
- if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE)
- return -EINVAL;
-
- error = vfs_statx(dfd, filename, flags, &stat, mask);
- if (error)
- return error;
-
- return cp_statx(&stat, buffer);
+ return do_statx(dfd, filename, flags, mask, buffer);
}
#ifdef CONFIG_COMPAT
diff --git a/fs/super.c b/fs/super.c
index cd352530eca9..bf3b7685b52a 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1302,8 +1302,8 @@ int get_tree_bdev(struct fs_context *fc,
mutex_lock(&bdev->bd_fsfreeze_mutex);
if (bdev->bd_fsfreeze_count > 0) {
mutex_unlock(&bdev->bd_fsfreeze_mutex);
- blkdev_put(bdev, mode);
warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
+ blkdev_put(bdev, mode);
return -EBUSY;
}
@@ -1598,12 +1598,10 @@ int super_setup_bdi_name(struct super_block *sb, char *fmt, ...)
int err;
va_list args;
- bdi = bdi_alloc(GFP_KERNEL);
+ bdi = bdi_alloc(NUMA_NO_NODE);
if (!bdi)
return -ENOMEM;
- bdi->name = sb->s_type->name;
-
va_start(args, fmt);
err = bdi_register_va(bdi, fmt, args);
va_end(args);
diff --git a/fs/sync.c b/fs/sync.c
index 4d1ff010bc5a..c6f6f5be5682 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -161,7 +161,7 @@ SYSCALL_DEFINE1(syncfs, int, fd)
{
struct fd f = fdget(fd);
struct super_block *sb;
- int ret;
+ int ret, ret2;
if (!f.file)
return -EBADF;
@@ -171,8 +171,10 @@ SYSCALL_DEFINE1(syncfs, int, fd)
ret = sync_filesystem(sb);
up_read(&sb->s_umount);
+ ret2 = errseq_check_and_advance(&sb->s_wb_err, &f.file->f_sb_err);
+
fdput(f);
- return ret;
+ return ret ? ret : ret2;
}
/**
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index aa85f2874a9f..59dffd5ca517 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -6,7 +6,7 @@
* Copyright (c) 2007 SUSE Linux Products GmbH
* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
*
- * Please see Documentation/filesystems/sysfs.txt for more information.
+ * Please see Documentation/filesystems/sysfs.rst for more information.
*/
#define pr_fmt(fmt) "sysfs: " fmt
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 26bbf960e2a2..f275fcda62fb 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -6,7 +6,7 @@
* Copyright (c) 2007 SUSE Linux Products GmbH
* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
*
- * Please see Documentation/filesystems/sysfs.txt for more information.
+ * Please see Documentation/filesystems/sysfs.rst for more information.
*/
#include <linux/module.h>
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index db81cfbab9d6..e747c135c1d1 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -6,7 +6,7 @@
* Copyright (c) 2007 SUSE Linux Products GmbH
* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
*
- * Please see Documentation/filesystems/sysfs.txt for more information.
+ * Please see Documentation/filesystems/sysfs.rst for more information.
*/
#include <linux/fs.h>
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index c4deecc80f67..5603530a1a52 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -6,7 +6,7 @@
* Copyright (c) 2007 SUSE Linux Products GmbH
* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
*
- * Please see Documentation/filesystems/sysfs.txt for more information.
+ * Please see Documentation/filesystems/sysfs.rst for more information.
*/
#include <linux/fs.h>
diff --git a/fs/sysv/Kconfig b/fs/sysv/Kconfig
index d4edf7d9ae10..b4e23e03fbeb 100644
--- a/fs/sysv/Kconfig
+++ b/fs/sysv/Kconfig
@@ -28,7 +28,7 @@ config SYSV_FS
tar" or preferably "info tar"). Note also that this option has
nothing whatsoever to do with the option "System V IPC". Read about
the System V file system in
- <file:Documentation/filesystems/sysv-fs.txt>.
+ <file:Documentation/filesystems/sysv-fs.rst>.
Saying Y here will enlarge your kernel by about 27 KB.
To compile this as a module, choose M here: the module will be called
diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c
index 8cdbd53d780c..cc5c0abfd536 100644
--- a/fs/ubifs/auth.c
+++ b/fs/ubifs/auth.c
@@ -31,15 +31,9 @@ int __ubifs_node_calc_hash(const struct ubifs_info *c, const void *node,
u8 *hash)
{
const struct ubifs_ch *ch = node;
- SHASH_DESC_ON_STACK(shash, c->hash_tfm);
- int err;
-
- shash->tfm = c->hash_tfm;
- err = crypto_shash_digest(shash, node, le32_to_cpu(ch->len), hash);
- if (err < 0)
- return err;
- return 0;
+ return crypto_shash_tfm_digest(c->hash_tfm, node, le32_to_cpu(ch->len),
+ hash);
}
/**
@@ -53,15 +47,7 @@ int __ubifs_node_calc_hash(const struct ubifs_info *c, const void *node,
static int ubifs_hash_calc_hmac(const struct ubifs_info *c, const u8 *hash,
u8 *hmac)
{
- SHASH_DESC_ON_STACK(shash, c->hmac_tfm);
- int err;
-
- shash->tfm = c->hmac_tfm;
-
- err = crypto_shash_digest(shash, hash, c->hash_len, hmac);
- if (err < 0)
- return err;
- return 0;
+ return crypto_shash_tfm_digest(c->hmac_tfm, hash, c->hash_len, hmac);
}
/**
@@ -79,13 +65,9 @@ int ubifs_prepare_auth_node(struct ubifs_info *c, void *node,
struct shash_desc *inhash)
{
struct ubifs_auth_node *auth = node;
- u8 *hash;
+ u8 hash[UBIFS_HASH_ARR_SZ];
int err;
- hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
- if (!hash)
- return -ENOMEM;
-
{
SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm);
@@ -94,21 +76,16 @@ int ubifs_prepare_auth_node(struct ubifs_info *c, void *node,
err = crypto_shash_final(hash_desc, hash);
if (err)
- goto out;
+ return err;
}
err = ubifs_hash_calc_hmac(c, hash, auth->hmac);
if (err)
- goto out;
+ return err;
auth->ch.node_type = UBIFS_AUTH_NODE;
ubifs_prepare_node(c, auth, ubifs_auth_node_sz(c), 0);
-
- err = 0;
-out:
- kfree(hash);
-
- return err;
+ return 0;
}
static struct shash_desc *ubifs_get_desc(const struct ubifs_info *c,
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 0f5a480fe264..31288d8fa2ce 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -815,7 +815,7 @@ void ubifs_dump_leb(const struct ubifs_info *c, int lnum)
pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
- buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS);
if (!buf) {
ubifs_err(c, "cannot allocate memory for dumping LEB %d", lnum);
return;
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 743928efffc1..49fe062ce45e 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1375,7 +1375,6 @@ int ubifs_update_time(struct inode *inode, struct timespec64 *time,
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct ubifs_budget_req req = { .dirtied_ino = 1,
.dirtied_ino_d = ALIGN(ui->data_len, 8) };
- int iflags = I_DIRTY_TIME;
int err, release;
if (!IS_ENABLED(CONFIG_UBIFS_ATIME_SUPPORT))
@@ -1393,11 +1392,8 @@ int ubifs_update_time(struct inode *inode, struct timespec64 *time,
if (flags & S_MTIME)
inode->i_mtime = *time;
- if (!(inode->i_sb->s_flags & SB_LAZYTIME))
- iflags |= I_DIRTY_SYNC;
-
release = ui->dirty;
- __mark_inode_dirty(inode, iflags);
+ __mark_inode_dirty(inode, I_DIRTY_SYNC);
mutex_unlock(&ui->ui_mutex);
if (release)
ubifs_release_budget(c, &req);
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index 29826c51883a..22bfda158f7f 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -1095,7 +1095,7 @@ static int scan_check_cb(struct ubifs_info *c,
return LPT_SCAN_CONTINUE;
}
- buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS);
if (!buf)
return -ENOMEM;
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index ff5e0411cf2d..d76a19e460cd 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -1596,7 +1596,7 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
if (!dbg_is_chk_lprops(c))
return 0;
- buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+ buf = p = __vmalloc(c->leb_size, GFP_NOFS);
if (!buf) {
ubifs_err(c, "cannot allocate memory for ltab checking");
return 0;
@@ -1845,7 +1845,7 @@ static void dump_lpt_leb(const struct ubifs_info *c, int lnum)
void *buf, *p;
pr_err("(pid %d) start dumping LEB %d\n", current->pid, lnum);
- buf = p = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+ buf = p = __vmalloc(c->leb_size, GFP_NOFS);
if (!buf) {
ubifs_err(c, "cannot allocate memory to dump LPT");
return;
diff --git a/fs/ubifs/master.c b/fs/ubifs/master.c
index 52a85c01397e..911d0555b9f2 100644
--- a/fs/ubifs/master.c
+++ b/fs/ubifs/master.c
@@ -68,12 +68,9 @@ static int mst_node_check_hash(const struct ubifs_info *c,
u8 calc[UBIFS_MAX_HASH_LEN];
const void *node = mst;
- SHASH_DESC_ON_STACK(shash, c->hash_tfm);
-
- shash->tfm = c->hash_tfm;
-
- crypto_shash_digest(shash, node + sizeof(struct ubifs_ch),
- UBIFS_MST_NODE_SZ - sizeof(struct ubifs_ch), calc);
+ crypto_shash_tfm_digest(c->hash_tfm, node + sizeof(struct ubifs_ch),
+ UBIFS_MST_NODE_SZ - sizeof(struct ubifs_ch),
+ calc);
if (ubifs_check_hash(c, expected, calc))
return -EPERM;
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c
index 283f9eb48410..2c294085ffed 100644
--- a/fs/ubifs/orphan.c
+++ b/fs/ubifs/orphan.c
@@ -977,7 +977,7 @@ static int dbg_scan_orphans(struct ubifs_info *c, struct check_info *ci)
if (c->no_orphs)
return 0;
- buf = __vmalloc(c->leb_size, GFP_NOFS, PAGE_KERNEL);
+ buf = __vmalloc(c->leb_size, GFP_NOFS);
if (!buf) {
ubifs_err(c, "cannot allocate memory to check orphans");
return 0;
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index b28ac4dfb407..b69ffac7e415 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -558,7 +558,7 @@ static int is_last_bud(struct ubifs_info *c, struct ubifs_bud *bud)
return data == 0xFFFFFFFF;
}
-/* authenticate_sleb_hash and authenticate_sleb_hmac are split out for stack usage */
+/* authenticate_sleb_hash is split out for stack usage */
static int authenticate_sleb_hash(struct ubifs_info *c, struct shash_desc *log_hash, u8 *hash)
{
SHASH_DESC_ON_STACK(hash_desc, c->hash_tfm);
@@ -569,15 +569,6 @@ static int authenticate_sleb_hash(struct ubifs_info *c, struct shash_desc *log_h
return crypto_shash_final(hash_desc, hash);
}
-static int authenticate_sleb_hmac(struct ubifs_info *c, u8 *hash, u8 *hmac)
-{
- SHASH_DESC_ON_STACK(hmac_desc, c->hmac_tfm);
-
- hmac_desc->tfm = c->hmac_tfm;
-
- return crypto_shash_digest(hmac_desc, hash, c->hash_len, hmac);
-}
-
/**
* authenticate_sleb - authenticate one scan LEB
* @c: UBIFS file-system description object
@@ -601,18 +592,12 @@ static int authenticate_sleb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
struct ubifs_scan_node *snod;
int n_nodes = 0;
int err;
- u8 *hash, *hmac;
+ u8 hash[UBIFS_HASH_ARR_SZ];
+ u8 hmac[UBIFS_HMAC_ARR_SZ];
if (!ubifs_authenticated(c))
return sleb->nodes_cnt;
- hash = kmalloc(crypto_shash_descsize(c->hash_tfm), GFP_NOFS);
- hmac = kmalloc(c->hmac_desc_len, GFP_NOFS);
- if (!hash || !hmac) {
- err = -ENOMEM;
- goto out;
- }
-
list_for_each_entry(snod, &sleb->nodes, list) {
n_nodes++;
@@ -624,7 +609,8 @@ static int authenticate_sleb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
if (err)
goto out;
- err = authenticate_sleb_hmac(c, hash, hmac);
+ err = crypto_shash_tfm_digest(c->hmac_tfm, hash,
+ c->hash_len, hmac);
if (err)
goto out;
@@ -662,9 +648,6 @@ static int authenticate_sleb(struct ubifs_info *c, struct ubifs_scan_leb *sleb,
err = 0;
}
out:
- kfree(hash);
- kfree(hmac);
-
return err ? err : n_nodes - n_not_auth;
}
diff --git a/fs/udf/Kconfig b/fs/udf/Kconfig
index 6848de581ce1..26e1a49f3ba7 100644
--- a/fs/udf/Kconfig
+++ b/fs/udf/Kconfig
@@ -9,7 +9,7 @@ config UDF_FS
compatible with standard unix file systems, it is also suitable for
removable USB disks. Say Y if you intend to mount DVD discs or CDRW's
written in packet mode, or if you want to use UDF for removable USB
- disks. Please read <file:Documentation/filesystems/udf.txt>.
+ disks. Please read <file:Documentation/filesystems/udf.rst>.
To compile this file system support as a module, choose M here: the
module will be called udf.
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index e875bc5668ee..adaba8e8b326 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -195,10 +195,9 @@ static int udf_readpage(struct file *file, struct page *page)
return mpage_readpage(page, udf_get_block);
}
-static int udf_readpages(struct file *file, struct address_space *mapping,
- struct list_head *pages, unsigned nr_pages)
+static void udf_readahead(struct readahead_control *rac)
{
- return mpage_readpages(mapping, pages, nr_pages, udf_get_block);
+ mpage_readahead(rac, udf_get_block);
}
static int udf_write_begin(struct file *file, struct address_space *mapping,
@@ -234,7 +233,7 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block)
const struct address_space_operations udf_aops = {
.readpage = udf_readpage,
- .readpages = udf_readpages,
+ .readahead = udf_readahead,
.writepage = udf_writepage,
.writepages = udf_writepages,
.write_begin = udf_write_begin,
diff --git a/fs/udf/lowlevel.c b/fs/udf/lowlevel.c
index 5c7ec121990d..f1094cdcd6cd 100644
--- a/fs/udf/lowlevel.c
+++ b/fs/udf/lowlevel.c
@@ -27,41 +27,38 @@
unsigned int udf_get_last_session(struct super_block *sb)
{
+ struct cdrom_device_info *cdi = disk_to_cdi(sb->s_bdev->bd_disk);
struct cdrom_multisession ms_info;
- unsigned int vol_desc_start;
- struct block_device *bdev = sb->s_bdev;
- int i;
- vol_desc_start = 0;
- ms_info.addr_format = CDROM_LBA;
- i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long)&ms_info);
+ if (!cdi) {
+ udf_debug("CDROMMULTISESSION not supported.\n");
+ return 0;
+ }
- if (i == 0) {
+ ms_info.addr_format = CDROM_LBA;
+ if (cdrom_multisession(cdi, &ms_info) == 0) {
udf_debug("XA disk: %s, vol_desc_start=%d\n",
ms_info.xa_flag ? "yes" : "no", ms_info.addr.lba);
if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
- vol_desc_start = ms_info.addr.lba;
- } else {
- udf_debug("CDROMMULTISESSION not supported: rc=%d\n", i);
+ return ms_info.addr.lba;
}
- return vol_desc_start;
+ return 0;
}
unsigned long udf_get_last_block(struct super_block *sb)
{
struct block_device *bdev = sb->s_bdev;
+ struct cdrom_device_info *cdi = disk_to_cdi(bdev->bd_disk);
unsigned long lblock = 0;
/*
- * ioctl failed or returned obviously bogus value?
+ * The cdrom layer call failed or returned obviously bogus value?
* Try using the device size...
*/
- if (ioctl_by_bdev(bdev, CDROM_LAST_WRITTEN, (unsigned long) &lblock) ||
- lblock == 0)
+ if (!cdi || cdrom_get_last_written(cdi, &lblock) || lblock == 0)
lblock = i_size_read(bdev->bd_inode) >> sb->s_blocksize_bits;
if (lblock)
return lblock - 1;
- else
- return 0;
+ return 0;
}
diff --git a/fs/utimes.c b/fs/utimes.c
index 1d17ce98cb80..b7b927502d6e 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -95,13 +95,13 @@ long do_utimes(int dfd, const char __user *filename, struct timespec64 *times,
goto out;
}
- if (flags & ~AT_SYMLINK_NOFOLLOW)
+ if (flags & ~(AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH))
goto out;
if (filename == NULL && dfd != AT_FDCWD) {
struct fd f;
- if (flags & AT_SYMLINK_NOFOLLOW)
+ if (flags)
goto out;
f = fdget(dfd);
@@ -117,6 +117,8 @@ long do_utimes(int dfd, const char __user *filename, struct timespec64 *times,
if (!(flags & AT_SYMLINK_NOFOLLOW))
lookup_flags |= LOOKUP_FOLLOW;
+ if (flags & AT_EMPTY_PATH)
+ lookup_flags |= LOOKUP_EMPTY;
retry:
error = user_path_at(dfd, filename, lookup_flags, &path);
if (error)
diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
index 675e26989376..8fe03b4a0d2b 100644
--- a/fs/vboxsf/super.c
+++ b/fs/vboxsf/super.c
@@ -164,7 +164,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
goto fail_free;
}
- err = super_setup_bdi_name(sb, "vboxsf-%s.%d", fc->source, sbi->bdi_id);
+ err = super_setup_bdi_name(sb, "vboxsf-%d", sbi->bdi_id);
if (err)
goto fail_free;
diff --git a/fs/verity/enable.c b/fs/verity/enable.c
index d98bea308fd7..5ab3bbec8108 100644
--- a/fs/verity/enable.c
+++ b/fs/verity/enable.c
@@ -329,6 +329,8 @@ rollback:
/**
* fsverity_ioctl_enable() - enable verity on a file
+ * @filp: file to enable verity on
+ * @uarg: user pointer to fsverity_enable_arg
*
* Enable fs-verity on a file. See the "FS_IOC_ENABLE_VERITY" section of
* Documentation/filesystems/fsverity.rst for the documentation.
diff --git a/fs/verity/fsverity_private.h b/fs/verity/fsverity_private.h
index 74768cf539da..e96d99d5145e 100644
--- a/fs/verity/fsverity_private.h
+++ b/fs/verity/fsverity_private.h
@@ -61,7 +61,7 @@ struct merkle_tree_params {
u64 level_start[FS_VERITY_MAX_LEVELS];
};
-/**
+/*
* fsverity_info - cached verity metadata for an inode
*
* When a verity file is first opened, an instance of this struct is allocated
@@ -134,7 +134,7 @@ void __init fsverity_check_hash_algs(void);
/* init.c */
-extern void __printf(3, 4) __cold
+void __printf(3, 4) __cold
fsverity_msg(const struct inode *inode, const char *level,
const char *fmt, ...);
diff --git a/fs/verity/measure.c b/fs/verity/measure.c
index 05049b68c745..df409a5682ed 100644
--- a/fs/verity/measure.c
+++ b/fs/verity/measure.c
@@ -11,6 +11,8 @@
/**
* fsverity_ioctl_measure() - get a verity file's measurement
+ * @filp: file to get measurement of
+ * @_uarg: user pointer to fsverity_digest
*
* Retrieve the file measurement that the kernel is enforcing for reads from a
* verity file. See the "FS_IOC_MEASURE_VERITY" section of
diff --git a/fs/verity/open.c b/fs/verity/open.c
index c5fe6948e262..d007db0c9304 100644
--- a/fs/verity/open.c
+++ b/fs/verity/open.c
@@ -330,6 +330,7 @@ EXPORT_SYMBOL_GPL(fsverity_prepare_setattr);
/**
* fsverity_cleanup_inode() - free the inode's verity info, if present
+ * @inode: an inode being evicted
*
* Filesystems must call this on inode eviction to free ->i_verity_info.
*/
diff --git a/fs/verity/signature.c b/fs/verity/signature.c
index c8b255232de5..b14ed96387ec 100644
--- a/fs/verity/signature.c
+++ b/fs/verity/signature.c
@@ -28,6 +28,9 @@ static struct key *fsverity_keyring;
/**
* fsverity_verify_signature() - check a verity file's signature
+ * @vi: the file's fsverity_info
+ * @desc: the file's fsverity_descriptor
+ * @desc_size: size of @desc
*
* If the file's fs-verity descriptor includes a signature of the file
* measurement, verify it against the certificates in the fs-verity keyring.
diff --git a/fs/verity/verify.c b/fs/verity/verify.c
index e0cb62da3864..a8b68c6f663d 100644
--- a/fs/verity/verify.c
+++ b/fs/verity/verify.c
@@ -179,6 +179,7 @@ out:
/**
* fsverity_verify_page() - verify a data page
+ * @page: the page to verity
*
* Verify a page that has just been read from a verity file. The page must be a
* pagecache page that is still locked and not yet uptodate.
@@ -206,6 +207,7 @@ EXPORT_SYMBOL_GPL(fsverity_verify_page);
#ifdef CONFIG_BLOCK
/**
* fsverity_verify_bio() - verify a 'read' bio that has just completed
+ * @bio: the bio to verify
*
* Verify a set of pages that have just been read from a verity file. The pages
* must be pagecache pages that are still locked and not yet uptodate. Pages
@@ -264,6 +266,7 @@ EXPORT_SYMBOL_GPL(fsverity_verify_bio);
/**
* fsverity_enqueue_verify_work() - enqueue work on the fs-verity workqueue
+ * @work: the work to enqueue
*
* Enqueue verification work for asynchronous processing.
*/
diff --git a/fs/xattr.c b/fs/xattr.c
index e13265e65871..91608d9bfc6a 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -876,6 +876,9 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name,
struct simple_xattr *new_xattr = NULL;
int err = 0;
+ if (removed_size)
+ *removed_size = -1;
+
/* value == NULL means remove */
if (value) {
new_xattr = simple_xattr_alloc(value, size);
@@ -914,9 +917,6 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name,
list_add(&new_xattr->list, &xattrs->head);
xattr = NULL;
}
-
- if (removed_size)
- *removed_size = -1;
out:
spin_unlock(&xattrs->lock);
if (xattr) {
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 4f95df476181..04611a1068b4 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -7,8 +7,6 @@
ccflags-y += -I $(srctree)/$(src) # needed for trace events
ccflags-y += -I $(srctree)/$(src)/libxfs
-ccflags-$(CONFIG_XFS_DEBUG) += -g
-
obj-$(CONFIG_XFS_FS) += xfs.o
# this one should be compiled first, as the tracing macros can easily blow up
@@ -101,9 +99,12 @@ xfs-y += xfs_log.o \
xfs_log_cil.o \
xfs_bmap_item.o \
xfs_buf_item.o \
+ xfs_buf_item_recover.o \
+ xfs_dquot_item_recover.o \
xfs_extfree_item.o \
xfs_icreate_item.o \
xfs_inode_item.o \
+ xfs_inode_item_recover.o \
xfs_refcount_item.o \
xfs_rmap_item.o \
xfs_log_recover.o \
diff --git a/fs/xfs/kmem.c b/fs/xfs/kmem.c
index 1da94237a8cf..f1366475c389 100644
--- a/fs/xfs/kmem.c
+++ b/fs/xfs/kmem.c
@@ -48,7 +48,7 @@ __kmem_vmalloc(size_t size, xfs_km_flags_t flags)
if (flags & KM_NOFS)
nofs_flag = memalloc_nofs_save();
- ptr = __vmalloc(size, lflags, PAGE_KERNEL);
+ ptr = __vmalloc(size, lflags);
if (flags & KM_NOFS)
memalloc_nofs_restore(nofs_flag);
diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h
index 6143117770e9..34cbcfde9228 100644
--- a/fs/xfs/kmem.h
+++ b/fs/xfs/kmem.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
@@ -19,6 +19,7 @@ typedef unsigned __bitwise xfs_km_flags_t;
#define KM_NOFS ((__force xfs_km_flags_t)0x0004u)
#define KM_MAYFAIL ((__force xfs_km_flags_t)0x0008u)
#define KM_ZERO ((__force xfs_km_flags_t)0x0010u)
+#define KM_NOLOCKDEP ((__force xfs_km_flags_t)0x0020u)
/*
* We use a special process flag to avoid recursive callbacks into
@@ -30,7 +31,7 @@ kmem_flags_convert(xfs_km_flags_t flags)
{
gfp_t lflags;
- BUG_ON(flags & ~(KM_NOFS|KM_MAYFAIL|KM_ZERO));
+ BUG_ON(flags & ~(KM_NOFS | KM_MAYFAIL | KM_ZERO | KM_NOLOCKDEP));
lflags = GFP_KERNEL | __GFP_NOWARN;
if (flags & KM_NOFS)
@@ -49,6 +50,9 @@ kmem_flags_convert(xfs_km_flags_t flags)
if (flags & KM_ZERO)
lflags |= __GFP_ZERO;
+ if (flags & KM_NOLOCKDEP)
+ lflags |= __GFP_NOLOCKDEP;
+
return lflags;
}
diff --git a/fs/xfs/libxfs/xfs_ag_resv.h b/fs/xfs/libxfs/xfs_ag_resv.h
index c0352edc8e41..f3fd0ee9a7f7 100644
--- a/fs/xfs/libxfs/xfs_ag_resv.h
+++ b/fs/xfs/libxfs/xfs_ag_resv.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index a851bf77f17b..6c22b12176b8 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.h b/fs/xfs/libxfs/xfs_alloc_btree.h
index 047f09f0be3c..a5b998e950fe 100644
--- a/fs/xfs/libxfs/xfs_alloc_btree.h
+++ b/fs/xfs/libxfs/xfs_alloc_btree.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index e4fe3dca9883..3b1bd6e112f8 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -61,8 +61,8 @@ xfs_inode_hasattr(
struct xfs_inode *ip)
{
if (!XFS_IFORK_Q(ip) ||
- (ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
- ip->i_d.di_anextents == 0))
+ (ip->i_afp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ ip->i_afp->if_nextents == 0))
return 0;
return 1;
}
@@ -84,7 +84,7 @@ xfs_attr_get_ilocked(
if (!xfs_inode_hasattr(args->dp))
return -ENOATTR;
- if (args->dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL)
+ if (args->dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL)
return xfs_attr_shortform_getvalue(args);
if (xfs_bmap_one_block(args->dp, XFS_ATTR_FORK))
return xfs_attr_leaf_get(args);
@@ -212,14 +212,14 @@ xfs_attr_set_args(
* If the attribute list is non-existent or a shortform list,
* upgrade it to a single-leaf-block attribute list.
*/
- if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL ||
- (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
- dp->i_d.di_anextents == 0)) {
+ if (dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL ||
+ (dp->i_afp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ dp->i_afp->if_nextents == 0)) {
/*
* Build initial attribute list (if required).
*/
- if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS)
+ if (dp->i_afp->if_format == XFS_DINODE_FMT_EXTENTS)
xfs_attr_shortform_create(args);
/*
@@ -272,7 +272,7 @@ xfs_attr_remove_args(
if (!xfs_inode_hasattr(dp)) {
error = -ENOATTR;
- } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
+ } else if (dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL) {
ASSERT(dp->i_afp->if_flags & XFS_IFINLINE);
error = xfs_attr_shortform_remove(args);
} else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
diff --git a/fs/xfs/libxfs/xfs_attr.h b/fs/xfs/libxfs/xfs_attr.h
index 0d2d05908537..db4717657ca1 100644
--- a/fs/xfs/libxfs/xfs_attr.h
+++ b/fs/xfs/libxfs/xfs_attr.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 863444e2dda7..2f7e89e4be3e 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -309,14 +309,6 @@ xfs_attr3_leaf_verify(
return fa;
/*
- * In recovery there is a transient state where count == 0 is valid
- * because we may have transitioned an empty shortform attr to a leaf
- * if the attr didn't fit in shortform.
- */
- if (!xfs_log_in_recovery(mp) && ichdr.count == 0)
- return __this_address;
-
- /*
* firstused is the block offset of the first name info structure.
* Make sure it doesn't go off the block or crash into the header.
*/
@@ -331,6 +323,13 @@ xfs_attr3_leaf_verify(
(char *)bp->b_addr + ichdr.firstused)
return __this_address;
+ /*
+ * NOTE: This verifier historically failed empty leaf buffers because
+ * we expect the fork to be in another format. Empty attr fork format
+ * conversions are possible during xattr set, however, and format
+ * conversion is not atomic with the xattr set that triggers it. We
+ * cannot assume leaf blocks are non-empty until that is addressed.
+ */
buf_end = (char *)bp->b_addr + mp->m_attr_geo->blksize;
for (i = 0, ent = entries; i < ichdr.count; ent++, i++) {
fa = xfs_attr3_leaf_verify_entry(mp, buf_end, leaf, &ichdr,
@@ -489,7 +488,7 @@ xfs_attr_copy_value(
}
if (!args->value) {
- args->value = kmem_alloc_large(valuelen, 0);
+ args->value = kmem_alloc_large(valuelen, KM_NOLOCKDEP);
if (!args->value)
return -ENOMEM;
}
@@ -539,7 +538,7 @@ xfs_attr_shortform_bytesfit(
/* rounded down */
offset = (XFS_LITINO(mp) - bytes) >> 3;
- if (dp->i_d.di_format == XFS_DINODE_FMT_DEV) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_DEV) {
minforkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
return (offset >= minforkoff) ? minforkoff : 0;
}
@@ -567,7 +566,7 @@ xfs_attr_shortform_bytesfit(
dsize = dp->i_df.if_bytes;
- switch (dp->i_d.di_format) {
+ switch (dp->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
/*
* If there is no attr fork and the data fork is extents,
@@ -636,22 +635,19 @@ xfs_sbversion_add_attr2(xfs_mount_t *mp, xfs_trans_t *tp)
* Create the initial contents of a shortform attribute list.
*/
void
-xfs_attr_shortform_create(xfs_da_args_t *args)
+xfs_attr_shortform_create(
+ struct xfs_da_args *args)
{
- xfs_attr_sf_hdr_t *hdr;
- xfs_inode_t *dp;
- struct xfs_ifork *ifp;
+ struct xfs_inode *dp = args->dp;
+ struct xfs_ifork *ifp = dp->i_afp;
+ struct xfs_attr_sf_hdr *hdr;
trace_xfs_attr_sf_create(args);
- dp = args->dp;
- ASSERT(dp != NULL);
- ifp = dp->i_afp;
- ASSERT(ifp != NULL);
ASSERT(ifp->if_bytes == 0);
- if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS) {
+ if (ifp->if_format == XFS_DINODE_FMT_EXTENTS) {
ifp->if_flags &= ~XFS_IFEXTENTS; /* just in case */
- dp->i_d.di_aformat = XFS_DINODE_FMT_LOCAL;
+ ifp->if_format = XFS_DINODE_FMT_LOCAL;
ifp->if_flags |= XFS_IFINLINE;
} else {
ASSERT(ifp->if_flags & XFS_IFINLINE);
@@ -719,13 +715,12 @@ xfs_attr_fork_remove(
struct xfs_inode *ip,
struct xfs_trans *tp)
{
- xfs_idestroy_fork(ip, XFS_ATTR_FORK);
- ip->i_d.di_forkoff = 0;
- ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
-
- ASSERT(ip->i_d.di_anextents == 0);
- ASSERT(ip->i_afp == NULL);
+ ASSERT(ip->i_afp->if_nextents == 0);
+ xfs_idestroy_fork(ip->i_afp);
+ kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+ ip->i_afp = NULL;
+ ip->i_d.di_forkoff = 0;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
}
@@ -775,7 +770,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
totsize -= size;
if (totsize == sizeof(xfs_attr_sf_hdr_t) &&
(mp->m_flags & XFS_MOUNT_ATTR2) &&
- (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
+ (dp->i_df.if_format != XFS_DINODE_FMT_BTREE) &&
!(args->op_flags & XFS_DA_OP_ADDNAME)) {
xfs_attr_fork_remove(dp, args->trans);
} else {
@@ -785,7 +780,7 @@ xfs_attr_shortform_remove(xfs_da_args_t *args)
ASSERT(totsize > sizeof(xfs_attr_sf_hdr_t) ||
(args->op_flags & XFS_DA_OP_ADDNAME) ||
!(mp->m_flags & XFS_MOUNT_ATTR2) ||
- dp->i_d.di_format == XFS_DINODE_FMT_BTREE);
+ dp->i_df.if_format == XFS_DINODE_FMT_BTREE);
xfs_trans_log_inode(args->trans, dp,
XFS_ILOG_CORE | XFS_ILOG_ADATA);
}
@@ -962,7 +957,7 @@ xfs_attr_shortform_allfit(
+ be16_to_cpu(name_loc->valuelen);
}
if ((dp->i_mount->m_flags & XFS_MOUNT_ATTR2) &&
- (dp->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
+ (dp->i_df.if_format != XFS_DINODE_FMT_BTREE) &&
(bytes == sizeof(struct xfs_attr_sf_hdr)))
return -1;
return xfs_attr_shortform_bytesfit(dp, bytes);
@@ -981,7 +976,7 @@ xfs_attr_shortform_verify(
int i;
int64_t size;
- ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_LOCAL);
+ ASSERT(ip->i_afp->if_format == XFS_DINODE_FMT_LOCAL);
ifp = XFS_IFORK_PTR(ip, XFS_ATTR_FORK);
sfp = (struct xfs_attr_shortform *)ifp->if_u1.if_data;
size = ifp->if_bytes;
@@ -1085,7 +1080,7 @@ xfs_attr3_leaf_to_shortform(
if (forkoff == -1) {
ASSERT(dp->i_mount->m_flags & XFS_MOUNT_ATTR2);
- ASSERT(dp->i_d.di_format != XFS_DINODE_FMT_BTREE);
+ ASSERT(dp->i_df.if_format != XFS_DINODE_FMT_BTREE);
xfs_attr_fork_remove(dp, args->trans);
goto out;
}
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.h b/fs/xfs/libxfs/xfs_attr_leaf.h
index 6dd2d937a42a..5be6be309302 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.h
+++ b/fs/xfs/libxfs/xfs_attr_leaf.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002-2003,2005 Silicon Graphics, Inc.
* Copyright (c) 2013 Red Hat, Inc.
diff --git a/fs/xfs/libxfs/xfs_attr_remote.h b/fs/xfs/libxfs/xfs_attr_remote.h
index 6fb4572845ce..e1144f22b005 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.h
+++ b/fs/xfs/libxfs/xfs_attr_remote.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2013 Red Hat, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_attr_sf.h b/fs/xfs/libxfs/xfs_attr_sf.h
index aafa4fe70624..bb004fb7944a 100644
--- a/fs/xfs/libxfs/xfs_attr_sf.h
+++ b/fs/xfs/libxfs/xfs_attr_sf.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_bit.h b/fs/xfs/libxfs/xfs_bit.h
index 99017b8df292..a04f266ae644 100644
--- a/fs/xfs/libxfs/xfs_bit.h
+++ b/fs/xfs/libxfs/xfs_bit.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index fda13cd7add0..667cdd0dfdf4 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -61,10 +61,10 @@ xfs_bmap_compute_maxlevels(
int sz; /* root block size */
/*
- * The maximum number of extents in a file, hence the maximum
- * number of leaf entries, is controlled by the type of di_nextents
- * (a signed 32-bit number, xfs_extnum_t), or by di_anextents
- * (a signed 16-bit number, xfs_aextnum_t).
+ * The maximum number of extents in a file, hence the maximum number of
+ * leaf entries, is controlled by the size of the on-disk extent count,
+ * either a signed 32-bit number for the data fork, or a signed 16-bit
+ * number for the attr fork.
*
* Note that we can no longer assume that if we are in ATTR1 that
* the fork offset of all the inodes will be
@@ -120,10 +120,11 @@ xfs_bmbt_lookup_first(
*/
static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+
return whichfork != XFS_COW_FORK &&
- XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
- XFS_IFORK_NEXTENTS(ip, whichfork) >
- XFS_IFORK_MAXEXT(ip, whichfork);
+ ifp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ ifp->if_nextents > XFS_IFORK_MAXEXT(ip, whichfork);
}
/*
@@ -131,10 +132,11 @@ static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)
*/
static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+
return whichfork != XFS_COW_FORK &&
- XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE &&
- XFS_IFORK_NEXTENTS(ip, whichfork) <=
- XFS_IFORK_MAXEXT(ip, whichfork);
+ ifp->if_format == XFS_DINODE_FMT_BTREE &&
+ ifp->if_nextents <= XFS_IFORK_MAXEXT(ip, whichfork);
}
/*
@@ -213,8 +215,8 @@ xfs_bmap_forkoff_reset(
int whichfork)
{
if (whichfork == XFS_ATTR_FORK &&
- ip->i_d.di_format != XFS_DINODE_FMT_DEV &&
- ip->i_d.di_format != XFS_DINODE_FMT_BTREE) {
+ ip->i_df.if_format != XFS_DINODE_FMT_DEV &&
+ ip->i_df.if_format != XFS_DINODE_FMT_BTREE) {
uint dfl_forkoff = xfs_default_attroffset(ip) >> 3;
if (dfl_forkoff > ip->i_d.di_forkoff)
@@ -315,31 +317,28 @@ xfs_bmap_check_leaf_extents(
xfs_inode_t *ip, /* incore inode pointer */
int whichfork) /* data or attr fork */
{
+ struct xfs_mount *mp = ip->i_mount;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_btree_block *block; /* current btree block */
xfs_fsblock_t bno; /* block # of "block" */
xfs_buf_t *bp; /* buffer for "block" */
int error; /* error return value */
xfs_extnum_t i=0, j; /* index into the extents list */
- struct xfs_ifork *ifp; /* fork structure */
int level; /* btree level, for checking */
- xfs_mount_t *mp; /* file system mount structure */
__be64 *pp; /* pointer to block address */
xfs_bmbt_rec_t *ep; /* pointer to current extent */
xfs_bmbt_rec_t last = {0, 0}; /* last extent in prev block */
xfs_bmbt_rec_t *nextp; /* pointer to next extent */
int bp_release = 0;
- if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE) {
+ if (ifp->if_format != XFS_DINODE_FMT_BTREE)
return;
- }
/* skip large extent count inodes */
- if (ip->i_d.di_nextents > 10000)
+ if (ip->i_df.if_nextents > 10000)
return;
bno = NULLFSBLOCK;
- mp = ip->i_mount;
- ifp = XFS_IFORK_PTR(ip, whichfork);
block = ifp->if_broot;
/*
* Root level must use BMAP_BROOT_PTR_ADDR macro to get ptr out.
@@ -604,7 +603,7 @@ xfs_bmap_btree_to_extents(
ASSERT(cur);
ASSERT(whichfork != XFS_COW_FORK);
ASSERT(ifp->if_flags & XFS_IFEXTENTS);
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_BTREE);
ASSERT(be16_to_cpu(rblock->bb_level) == 1);
ASSERT(be16_to_cpu(rblock->bb_numrecs) == 1);
ASSERT(xfs_bmbt_maxrecs(mp, ifp->if_broot_bytes, 0) == 1);
@@ -632,7 +631,7 @@ xfs_bmap_btree_to_extents(
xfs_iroot_realloc(ip, -1, whichfork);
ASSERT(ifp->if_broot == NULL);
ASSERT((ifp->if_flags & XFS_IFBROOT) == 0);
- XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
+ ifp->if_format = XFS_DINODE_FMT_EXTENTS;
*logflagsp |= XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
return 0;
}
@@ -668,7 +667,7 @@ xfs_bmap_extents_to_btree(
mp = ip->i_mount;
ASSERT(whichfork != XFS_COW_FORK);
ifp = XFS_IFORK_PTR(ip, whichfork);
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_EXTENTS);
/*
* Make space in the inode incore. This needs to be undone if we fail
@@ -692,7 +691,7 @@ xfs_bmap_extents_to_btree(
/*
* Convert to a btree with two levels, one record in root.
*/
- XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE);
+ ifp->if_format = XFS_DINODE_FMT_BTREE;
memset(&args, 0, sizeof(args));
args.tp = tp;
args.mp = mp;
@@ -750,7 +749,7 @@ xfs_bmap_extents_to_btree(
xfs_bmbt_disk_set_all(arp, &rec);
cnt++;
}
- ASSERT(cnt == XFS_IFORK_NEXTENTS(ip, whichfork));
+ ASSERT(cnt == ifp->if_nextents);
xfs_btree_set_numrecs(ablock, cnt);
/*
@@ -778,7 +777,7 @@ out_unreserve_dquot:
xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
out_root_realloc:
xfs_iroot_realloc(ip, -1, whichfork);
- XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
+ ifp->if_format = XFS_DINODE_FMT_EXTENTS;
ASSERT(ifp->if_broot == NULL);
xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
@@ -800,16 +799,16 @@ xfs_bmap_local_to_extents_empty(
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(whichfork != XFS_COW_FORK);
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
ASSERT(ifp->if_bytes == 0);
- ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) == 0);
+ ASSERT(ifp->if_nextents == 0);
xfs_bmap_forkoff_reset(ip, whichfork);
ifp->if_flags &= ~XFS_IFINLINE;
ifp->if_flags |= XFS_IFEXTENTS;
ifp->if_u1.if_root = NULL;
ifp->if_height = 0;
- XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_EXTENTS);
+ ifp->if_format = XFS_DINODE_FMT_EXTENTS;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
}
@@ -840,7 +839,7 @@ xfs_bmap_local_to_extents(
*/
ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK));
ifp = XFS_IFORK_PTR(ip, whichfork);
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
if (!ifp->if_bytes) {
xfs_bmap_local_to_extents_empty(tp, ip, whichfork);
@@ -907,7 +906,7 @@ xfs_bmap_local_to_extents(
xfs_iext_first(ifp, &icur);
xfs_iext_insert(ip, &icur, &rec, 0);
- XFS_IFORK_NEXT_SET(ip, whichfork, 1);
+ ifp->if_nextents = 1;
ip->i_d.di_nblocks = 1;
xfs_trans_mod_dquot_byino(tp, ip,
XFS_TRANS_DQ_BCOUNT, 1L);
@@ -972,7 +971,8 @@ xfs_bmap_add_attrfork_extents(
xfs_btree_cur_t *cur; /* bmap btree cursor */
int error; /* error return value */
- if (ip->i_d.di_nextents * sizeof(xfs_bmbt_rec_t) <= XFS_IFORK_DSIZE(ip))
+ if (ip->i_df.if_nextents * sizeof(struct xfs_bmbt_rec) <=
+ XFS_IFORK_DSIZE(ip))
return 0;
cur = NULL;
error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0, flags,
@@ -1033,7 +1033,7 @@ xfs_bmap_set_attrforkoff(
int size,
int *version)
{
- switch (ip->i_d.di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_DEV:
ip->i_d.di_forkoff = roundup(sizeof(xfs_dev_t), 8) >> 3;
break;
@@ -1091,17 +1091,6 @@ xfs_bmap_add_attrfork(
goto trans_cancel;
if (XFS_IFORK_Q(ip))
goto trans_cancel;
- if (XFS_IS_CORRUPT(mp, ip->i_d.di_anextents != 0)) {
- error = -EFSCORRUPTED;
- goto trans_cancel;
- }
- if (ip->i_d.di_aformat != XFS_DINODE_FMT_EXTENTS) {
- /*
- * For inodes coming from pre-6.2 filesystems.
- */
- ASSERT(ip->i_d.di_aformat == 0);
- ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
- }
xfs_trans_ijoin(tp, ip, 0);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
@@ -1110,9 +1099,10 @@ xfs_bmap_add_attrfork(
goto trans_cancel;
ASSERT(ip->i_afp == NULL);
ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, 0);
+ ip->i_afp->if_format = XFS_DINODE_FMT_EXTENTS;
ip->i_afp->if_flags = XFS_IFEXTENTS;
logflags = 0;
- switch (ip->i_d.di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_LOCAL:
error = xfs_bmap_add_attrfork_local(tp, ip, &logflags);
break;
@@ -1183,13 +1173,13 @@ xfs_iread_bmbt_block(
xfs_extnum_t num_recs;
xfs_extnum_t j;
int whichfork = cur->bc_ino.whichfork;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
block = xfs_btree_get_block(cur, level, &bp);
/* Abort if we find more records than nextents. */
num_recs = xfs_btree_get_numrecs(block);
- if (unlikely(ir->loaded + num_recs >
- XFS_IFORK_NEXTENTS(ip, whichfork))) {
+ if (unlikely(ir->loaded + num_recs > ifp->if_nextents)) {
xfs_warn(ip->i_mount, "corrupt dinode %llu, (btree extents).",
(unsigned long long)ip->i_ino);
xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, block,
@@ -1215,7 +1205,7 @@ xfs_iread_bmbt_block(
xfs_bmap_fork_to_state(whichfork));
trace_xfs_read_extent(ip, &ir->icur,
xfs_bmap_fork_to_state(whichfork), _THIS_IP_);
- xfs_iext_next(XFS_IFORK_PTR(ip, whichfork), &ir->icur);
+ xfs_iext_next(ifp, &ir->icur);
}
return 0;
@@ -1238,9 +1228,7 @@ xfs_iread_extents(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
- if (XFS_IS_CORRUPT(mp,
- XFS_IFORK_FORMAT(ip, whichfork) !=
- XFS_DINODE_FMT_BTREE)) {
+ if (XFS_IS_CORRUPT(mp, ifp->if_format != XFS_DINODE_FMT_BTREE)) {
error = -EFSCORRUPTED;
goto out;
}
@@ -1254,8 +1242,7 @@ xfs_iread_extents(
if (error)
goto out;
- if (XFS_IS_CORRUPT(mp,
- ir.loaded != XFS_IFORK_NEXTENTS(ip, whichfork))) {
+ if (XFS_IS_CORRUPT(mp, ir.loaded != ifp->if_nextents)) {
error = -EFSCORRUPTED;
goto out;
}
@@ -1289,14 +1276,13 @@ xfs_bmap_first_unused(
xfs_fileoff_t lowest, max;
int error;
- ASSERT(xfs_ifork_has_extents(ip, whichfork) ||
- XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL);
-
- if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) {
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL) {
*first_unused = 0;
return 0;
}
+ ASSERT(xfs_ifork_has_extents(ifp));
+
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
error = xfs_iread_extents(tp, ip, whichfork);
if (error)
@@ -1337,7 +1323,7 @@ xfs_bmap_last_before(
struct xfs_iext_cursor icur;
int error;
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_LOCAL:
*last_block = 0;
return 0;
@@ -1436,16 +1422,17 @@ xfs_bmap_last_offset(
xfs_fileoff_t *last_block,
int whichfork)
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_bmbt_irec rec;
int is_empty;
int error;
*last_block = 0;
- if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL)
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL)
return 0;
- if (XFS_IS_CORRUPT(ip->i_mount, !xfs_ifork_has_extents(ip, whichfork)))
+ if (XFS_IS_CORRUPT(ip->i_mount, !xfs_ifork_has_extents(ifp)))
return -EFSCORRUPTED;
error = xfs_bmap_last_extent(NULL, ip, whichfork, &rec, &is_empty);
@@ -1463,23 +1450,22 @@ xfs_bmap_last_offset(
*/
int /* 1=>1 block, 0=>otherwise */
xfs_bmap_one_block(
- xfs_inode_t *ip, /* incore inode */
- int whichfork) /* data or attr fork */
+ struct xfs_inode *ip, /* incore inode */
+ int whichfork) /* data or attr fork */
{
- struct xfs_ifork *ifp; /* inode fork pointer */
- int rval; /* return value */
- xfs_bmbt_irec_t s; /* internal version of extent */
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ int rval; /* return value */
+ struct xfs_bmbt_irec s; /* internal version of extent */
struct xfs_iext_cursor icur;
#ifndef DEBUG
if (whichfork == XFS_DATA_FORK)
return XFS_ISIZE(ip) == ip->i_mount->m_sb.sb_blocksize;
#endif /* !DEBUG */
- if (XFS_IFORK_NEXTENTS(ip, whichfork) != 1)
+ if (ifp->if_nextents != 1)
return 0;
- if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
+ if (ifp->if_format != XFS_DINODE_FMT_EXTENTS)
return 0;
- ifp = XFS_IFORK_PTR(ip, whichfork);
ASSERT(ifp->if_flags & XFS_IFEXTENTS);
xfs_iext_first(ifp, &icur);
xfs_iext_get_extent(ifp, &icur, &s);
@@ -1501,10 +1487,11 @@ xfs_bmap_add_extent_delay_real(
struct xfs_bmalloca *bma,
int whichfork)
{
+ struct xfs_mount *mp = bma->ip->i_mount;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
struct xfs_bmbt_irec *new = &bma->got;
int error; /* error return value */
int i; /* temp state */
- struct xfs_ifork *ifp; /* inode fork pointer */
xfs_fileoff_t new_endoff; /* end offset of new entry */
xfs_bmbt_irec_t r[3]; /* neighbor extent entries */
/* left is 0, right is 1, prev is 2 */
@@ -1514,16 +1501,9 @@ xfs_bmap_add_extent_delay_real(
xfs_filblks_t da_old; /* old count del alloc blocks used */
xfs_filblks_t temp=0; /* value for da_new calculations */
int tmp_rval; /* partial logging flags */
- struct xfs_mount *mp;
- xfs_extnum_t *nextents;
struct xfs_bmbt_irec old;
- mp = bma->ip->i_mount;
- ifp = XFS_IFORK_PTR(bma->ip, whichfork);
ASSERT(whichfork != XFS_ATTR_FORK);
- nextents = (whichfork == XFS_COW_FORK ? &bma->ip->i_cnextents :
- &bma->ip->i_d.di_nextents);
-
ASSERT(!isnullstartblock(new->br_startblock));
ASSERT(!bma->cur ||
(bma->cur->bc_ino.flags & XFS_BTCUR_BMBT_WASDEL));
@@ -1614,7 +1594,7 @@ xfs_bmap_add_extent_delay_real(
xfs_iext_remove(bma->ip, &bma->icur, state);
xfs_iext_prev(ifp, &bma->icur);
xfs_iext_update_extent(bma->ip, state, &bma->icur, &LEFT);
- (*nextents)--;
+ ifp->if_nextents--;
if (bma->cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
@@ -1718,8 +1698,8 @@ xfs_bmap_add_extent_delay_real(
PREV.br_startblock = new->br_startblock;
PREV.br_state = new->br_state;
xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);
+ ifp->if_nextents++;
- (*nextents)++;
if (bma->cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -1784,7 +1764,8 @@ xfs_bmap_add_extent_delay_real(
* The left neighbor is not contiguous.
*/
xfs_iext_update_extent(bma->ip, state, &bma->icur, new);
- (*nextents)++;
+ ifp->if_nextents++;
+
if (bma->cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -1870,7 +1851,8 @@ xfs_bmap_add_extent_delay_real(
* The right neighbor is not contiguous.
*/
xfs_iext_update_extent(bma->ip, state, &bma->icur, new);
- (*nextents)++;
+ ifp->if_nextents++;
+
if (bma->cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -1955,7 +1937,7 @@ xfs_bmap_add_extent_delay_real(
xfs_iext_next(ifp, &bma->icur);
xfs_iext_insert(bma->ip, &bma->icur, &RIGHT, state);
xfs_iext_insert(bma->ip, &bma->icur, &LEFT, state);
- (*nextents)++;
+ ifp->if_nextents++;
if (bma->cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
@@ -2159,8 +2141,7 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_remove(ip, icur, state);
xfs_iext_prev(ifp, icur);
xfs_iext_update_extent(ip, state, icur, &LEFT);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 2);
+ ifp->if_nextents -= 2;
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2212,8 +2193,7 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_remove(ip, icur, state);
xfs_iext_prev(ifp, icur);
xfs_iext_update_extent(ip, state, icur, &LEFT);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
+ ifp->if_nextents--;
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2255,9 +2235,8 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_remove(ip, icur, state);
xfs_iext_prev(ifp, icur);
xfs_iext_update_extent(ip, state, icur, &PREV);
+ ifp->if_nextents--;
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2364,8 +2343,8 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_update_extent(ip, state, icur, &PREV);
xfs_iext_insert(ip, icur, new, state);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
+ ifp->if_nextents++;
+
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2440,9 +2419,8 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_update_extent(ip, state, icur, &PREV);
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, new, state);
+ ifp->if_nextents++;
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2493,9 +2471,8 @@ xfs_bmap_add_extent_unwritten_real(
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, &r[1], state);
xfs_iext_insert(ip, icur, &r[0], state);
+ ifp->if_nextents += 2;
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 2);
if (cur == NULL)
rval = XFS_ILOG_CORE | XFS_ILOG_DEXT;
else {
@@ -2810,9 +2787,8 @@ xfs_bmap_add_extent_hole_real(
xfs_iext_remove(ip, icur, state);
xfs_iext_prev(ifp, icur);
xfs_iext_update_extent(ip, state, icur, &left);
+ ifp->if_nextents--;
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
if (cur == NULL) {
rval = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else {
@@ -2910,8 +2886,8 @@ xfs_bmap_add_extent_hole_real(
* Insert a new entry.
*/
xfs_iext_insert(ip, icur, new, state);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
+ ifp->if_nextents++;
+
if (cur == NULL) {
rval = XFS_ILOG_CORE | xfs_ilog_fext(whichfork);
} else {
@@ -3891,7 +3867,8 @@ xfs_bmapi_read(
int flags)
{
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp;
+ int whichfork = xfs_bmapi_whichfork(flags);
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_bmbt_irec got;
xfs_fileoff_t obno;
xfs_fileoff_t end;
@@ -3899,48 +3876,23 @@ xfs_bmapi_read(
int error;
bool eof = false;
int n = 0;
- int whichfork = xfs_bmapi_whichfork(flags);
ASSERT(*nmap >= 1);
- ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK|XFS_BMAPI_ENTIRE|
- XFS_BMAPI_COWFORK)));
+ ASSERT(!(flags & ~(XFS_BMAPI_ATTRFORK | XFS_BMAPI_ENTIRE)));
ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED|XFS_ILOCK_EXCL));
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
- XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
+ if (WARN_ON_ONCE(!ifp))
+ return -EFSCORRUPTED;
+
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
+ XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT))
return -EFSCORRUPTED;
- }
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
XFS_STATS_INC(mp, xs_blk_mapr);
- ifp = XFS_IFORK_PTR(ip, whichfork);
- if (!ifp) {
- /* No CoW fork? Return a hole. */
- if (whichfork == XFS_COW_FORK) {
- mval->br_startoff = bno;
- mval->br_startblock = HOLESTARTBLOCK;
- mval->br_blockcount = len;
- mval->br_state = XFS_EXT_NORM;
- *nmap = 1;
- return 0;
- }
-
- /*
- * A missing attr ifork implies that the inode says we're in
- * extents or btree format but failed to pass the inode fork
- * verifier while trying to load it. Treat that as a file
- * corruption too.
- */
-#ifdef DEBUG
- xfs_alert(mp, "%s: inode %llu missing fork %d",
- __func__, ip->i_ino, whichfork);
-#endif /* DEBUG */
- return -EFSCORRUPTED;
- }
-
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
error = xfs_iread_extents(NULL, ip, whichfork);
if (error)
@@ -4193,17 +4145,7 @@ xfs_bmapi_allocate(
bma->got.br_blockcount = bma->length;
bma->got.br_state = XFS_EXT_NORM;
- /*
- * In the data fork, a wasdelay extent has been initialized, so
- * shouldn't be flagged as unwritten.
- *
- * For the cow fork, however, we convert delalloc reservations
- * (extents allocated for speculative preallocation) to
- * allocated unwritten extents, and only convert the unwritten
- * extents to real extents when we're about to write the data.
- */
- if ((!bma->wasdel || (bma->flags & XFS_BMAPI_COWFORK)) &&
- (bma->flags & XFS_BMAPI_PREALLOC))
+ if (bma->flags & XFS_BMAPI_PREALLOC)
bma->got.br_state = XFS_EXT_UNWRITTEN;
if (bma->wasdel)
@@ -4317,11 +4259,13 @@ xfs_bmapi_minleft(
struct xfs_inode *ip,
int fork)
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, fork);
+
if (tp && tp->t_firstblock != NULLFSBLOCK)
return 0;
- if (XFS_IFORK_FORMAT(ip, fork) != XFS_DINODE_FMT_BTREE)
+ if (ifp->if_format != XFS_DINODE_FMT_BTREE)
return 1;
- return be16_to_cpu(XFS_IFORK_PTR(ip, fork)->if_broot->bb_level) + 1;
+ return be16_to_cpu(ifp->if_broot->bb_level) + 1;
}
/*
@@ -4336,11 +4280,13 @@ xfs_bmapi_finish(
int whichfork,
int error)
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork);
+
if ((bma->logflags & xfs_ilog_fext(whichfork)) &&
- XFS_IFORK_FORMAT(bma->ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
+ ifp->if_format != XFS_DINODE_FMT_EXTENTS)
bma->logflags &= ~xfs_ilog_fext(whichfork);
else if ((bma->logflags & xfs_ilog_fbroot(whichfork)) &&
- XFS_IFORK_FORMAT(bma->ip, whichfork) != XFS_DINODE_FMT_BTREE)
+ ifp->if_format != XFS_DINODE_FMT_BTREE)
bma->logflags &= ~xfs_ilog_fbroot(whichfork);
if (bma->logflags)
@@ -4372,13 +4318,13 @@ xfs_bmapi_write(
.total = total,
};
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp;
+ int whichfork = xfs_bmapi_whichfork(flags);
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
xfs_fileoff_t end; /* end of mapped file region */
bool eof = false; /* after the end of extents */
int error; /* error return */
int n; /* current extent index */
xfs_fileoff_t obno; /* old block number (offset) */
- int whichfork; /* data or attr fork */
#ifdef DEBUG
xfs_fileoff_t orig_bno; /* original block number value */
@@ -4393,13 +4339,12 @@ xfs_bmapi_write(
orig_mval = mval;
orig_nmap = *nmap;
#endif
- whichfork = xfs_bmapi_whichfork(flags);
ASSERT(*nmap >= 1);
ASSERT(*nmap <= XFS_BMAP_MAX_NMAP);
ASSERT(tp != NULL);
ASSERT(len > 0);
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL);
+ ASSERT(ifp->if_format != XFS_DINODE_FMT_LOCAL);
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(!(flags & XFS_BMAPI_REMAP));
@@ -4415,7 +4360,7 @@ xfs_bmapi_write(
ASSERT((flags & (XFS_BMAPI_PREALLOC | XFS_BMAPI_ZERO)) !=
(XFS_BMAPI_PREALLOC | XFS_BMAPI_ZERO));
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
return -EFSCORRUPTED;
}
@@ -4423,8 +4368,6 @@ xfs_bmapi_write(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- ifp = XFS_IFORK_PTR(ip, whichfork);
-
XFS_STATS_INC(mp, xs_blk_mapw);
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
@@ -4534,9 +4477,8 @@ xfs_bmapi_write(
if (error)
goto error0;
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE ||
- XFS_IFORK_NEXTENTS(ip, whichfork) >
- XFS_IFORK_MAXEXT(ip, whichfork));
+ ASSERT(ifp->if_format != XFS_DINODE_FMT_BTREE ||
+ ifp->if_nextents > XFS_IFORK_MAXEXT(ip, whichfork));
xfs_bmapi_finish(&bma, whichfork, 0);
xfs_bmap_validate_ret(orig_bno, orig_len, orig_flags, orig_mval,
orig_nmap, *nmap);
@@ -4611,8 +4553,23 @@ xfs_bmapi_convert_delalloc(
bma.offset = bma.got.br_startoff;
bma.length = max_t(xfs_filblks_t, bma.got.br_blockcount, MAXEXTLEN);
bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);
+
+ /*
+ * When we're converting the delalloc reservations backing dirty pages
+ * in the page cache, we must be careful about how we create the new
+ * extents:
+ *
+ * New CoW fork extents are created unwritten, turned into real extents
+ * when we're about to write the data to disk, and mapped into the data
+ * fork after the write finishes. End of story.
+ *
+ * New data fork extents must be mapped in as unwritten and converted
+ * to real extents after the write succeeds to avoid exposing stale
+ * disk contents if we crash.
+ */
+ bma.flags = XFS_BMAPI_PREALLOC;
if (whichfork == XFS_COW_FORK)
- bma.flags = XFS_BMAPI_COWFORK | XFS_BMAPI_PREALLOC;
+ bma.flags |= XFS_BMAPI_COWFORK;
if (!xfs_iext_peek_prev_extent(ifp, &bma.icur, &bma.prev))
bma.prev.br_startoff = NULLFILEOFF;
@@ -4682,7 +4639,7 @@ xfs_bmapi_remap(
ASSERT((flags & (XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC)) !=
(XFS_BMAPI_ATTRFORK | XFS_BMAPI_PREALLOC));
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
return -EFSCORRUPTED;
}
@@ -4726,9 +4683,9 @@ xfs_bmapi_remap(
error = xfs_bmap_btree_to_extents(tp, ip, cur, &logflags, whichfork);
error0:
- if (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS)
+ if (ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS)
logflags &= ~XFS_ILOG_DEXT;
- else if (ip->i_d.di_format != XFS_DINODE_FMT_BTREE)
+ else if (ip->i_df.if_format != XFS_DINODE_FMT_BTREE)
logflags &= ~XFS_ILOG_DBROOT;
if (logflags)
@@ -5078,9 +5035,8 @@ xfs_bmap_del_extent_real(
* conversion to btree format, since the transaction will be dirty then.
*/
if (tp->t_blk_res == 0 &&
- XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_EXTENTS &&
- XFS_IFORK_NEXTENTS(ip, whichfork) >=
- XFS_IFORK_MAXEXT(ip, whichfork) &&
+ ifp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ ifp->if_nextents >= XFS_IFORK_MAXEXT(ip, whichfork) &&
del->br_startoff > got.br_startoff && del_endoff < got_endoff)
return -ENOSPC;
@@ -5132,8 +5088,8 @@ xfs_bmap_del_extent_real(
*/
xfs_iext_remove(ip, icur, state);
xfs_iext_prev(ifp, icur);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
+ ifp->if_nextents--;
+
flags |= XFS_ILOG_CORE;
if (!cur) {
flags |= xfs_ilog_fext(whichfork);
@@ -5241,8 +5197,8 @@ xfs_bmap_del_extent_real(
}
} else
flags |= xfs_ilog_fext(whichfork);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
+
+ ifp->if_nextents++;
xfs_iext_next(ifp, icur);
xfs_iext_insert(ip, icur, &new, state);
break;
@@ -5322,7 +5278,7 @@ __xfs_bunmapi(
whichfork = xfs_bmapi_whichfork(flags);
ASSERT(whichfork != XFS_COW_FORK);
ifp = XFS_IFORK_PTR(ip, whichfork);
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)))
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)))
return -EFSCORRUPTED;
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
@@ -5360,7 +5316,7 @@ __xfs_bunmapi(
logflags = 0;
if (ifp->if_flags & XFS_IFBROOT) {
- ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_BTREE);
cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);
cur->bc_ino.flags = 0;
} else
@@ -5605,10 +5561,10 @@ error0:
* logging the extent records if we've converted to btree format.
*/
if ((logflags & xfs_ilog_fext(whichfork)) &&
- XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_EXTENTS)
+ ifp->if_format != XFS_DINODE_FMT_EXTENTS)
logflags &= ~xfs_ilog_fext(whichfork);
else if ((logflags & xfs_ilog_fbroot(whichfork)) &&
- XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)
+ ifp->if_format != XFS_DINODE_FMT_BTREE)
logflags &= ~xfs_ilog_fbroot(whichfork);
/*
* Log inode even in the error case, if the transaction
@@ -5690,6 +5646,7 @@ xfs_bmse_merge(
struct xfs_btree_cur *cur,
int *logflags) /* output */
{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_bmbt_irec new;
xfs_filblks_t blockcount;
int error, i;
@@ -5708,8 +5665,7 @@ xfs_bmse_merge(
* Update the on-disk extent count, the btree if necessary and log the
* inode.
*/
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) - 1);
+ ifp->if_nextents--;
*logflags |= XFS_ILOG_CORE;
if (!cur) {
*logflags |= XFS_ILOG_DEXT;
@@ -5747,7 +5703,7 @@ xfs_bmse_merge(
done:
xfs_iext_remove(ip, icur, 0);
- xfs_iext_prev(XFS_IFORK_PTR(ip, whichfork), icur);
+ xfs_iext_prev(ifp, icur);
xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), icur,
&new);
@@ -5819,7 +5775,7 @@ xfs_bmap_collapse_extents(
int error = 0;
int logflags = 0;
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
return -EFSCORRUPTED;
}
@@ -5936,7 +5892,7 @@ xfs_bmap_insert_extents(
int error = 0;
int logflags = 0;
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
return -EFSCORRUPTED;
}
@@ -6030,18 +5986,18 @@ xfs_bmap_split_extent(
xfs_fileoff_t split_fsb)
{
int whichfork = XFS_DATA_FORK;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
struct xfs_btree_cur *cur = NULL;
struct xfs_bmbt_irec got;
struct xfs_bmbt_irec new; /* split extent */
struct xfs_mount *mp = ip->i_mount;
- struct xfs_ifork *ifp;
xfs_fsblock_t gotblkcnt; /* new block count for got */
struct xfs_iext_cursor icur;
int error = 0;
int logflags = 0;
int i = 0;
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ifp)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
return -EFSCORRUPTED;
}
@@ -6049,7 +6005,6 @@ xfs_bmap_split_extent(
if (XFS_FORCED_SHUTDOWN(mp))
return -EIO;
- ifp = XFS_IFORK_PTR(ip, whichfork);
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
/* Read in all the extents */
error = xfs_iread_extents(tp, ip, whichfork);
@@ -6097,8 +6052,7 @@ xfs_bmap_split_extent(
/* Add new extent */
xfs_iext_next(ifp, &icur);
xfs_iext_insert(ip, &icur, &new, 0);
- XFS_IFORK_NEXT_SET(ip, whichfork,
- XFS_IFORK_NEXTENTS(ip, whichfork) + 1);
+ ifp->if_nextents++;
if (cur) {
error = xfs_bmbt_lookup_eq(cur, &new, &i);
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index f3259ad5c22c..6028a3c825ba 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2006 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 295a59cf8840..d9c63f17d2de 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -636,10 +636,7 @@ xfs_bmbt_change_owner(
ASSERT(tp || buffer_list);
ASSERT(!(tp && buffer_list));
- if (whichfork == XFS_DATA_FORK)
- ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_BTREE);
- else
- ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_BTREE);
+ ASSERT(XFS_IFORK_PTR(ip, whichfork)->if_format == XFS_DINODE_FMT_BTREE);
cur = xfs_bmbt_init_cursor(ip->i_mount, tp, ip, whichfork);
if (!cur)
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.h b/fs/xfs/libxfs/xfs_bmap_btree.h
index 29b407d053b4..72bf74c79fb9 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.h
+++ b/fs/xfs/libxfs/xfs_bmap_btree.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002-2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 8626c5a81aad..10e50cbacacf 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h
index 53e503b6f186..6e25de6621e4 100644
--- a/fs/xfs/libxfs/xfs_da_btree.h
+++ b/fs/xfs/libxfs/xfs_da_btree.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000,2002,2005 Silicon Graphics, Inc.
* Copyright (c) 2013 Red Hat, Inc.
diff --git a/fs/xfs/libxfs/xfs_da_format.h b/fs/xfs/libxfs/xfs_da_format.h
index 08c0a4d98b89..059ac108b1b3 100644
--- a/fs/xfs/libxfs/xfs_da_format.h
+++ b/fs/xfs/libxfs/xfs_da_format.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* Copyright (c) 2013 Red Hat, Inc.
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
index 22557527cfdb..d8f586256add 100644
--- a/fs/xfs/libxfs/xfs_defer.c
+++ b/fs/xfs/libxfs/xfs_defer.c
@@ -178,6 +178,18 @@ static const struct xfs_defer_op_type *defer_op_types[] = {
[XFS_DEFER_OPS_TYPE_AGFL_FREE] = &xfs_agfl_free_defer_type,
};
+static void
+xfs_defer_create_intent(
+ struct xfs_trans *tp,
+ struct xfs_defer_pending *dfp,
+ bool sort)
+{
+ const struct xfs_defer_op_type *ops = defer_op_types[dfp->dfp_type];
+
+ dfp->dfp_intent = ops->create_intent(tp, &dfp->dfp_work,
+ dfp->dfp_count, sort);
+}
+
/*
* For each pending item in the intake list, log its intent item and the
* associated extents, then add the entire intake list to the end of
@@ -187,17 +199,11 @@ STATIC void
xfs_defer_create_intents(
struct xfs_trans *tp)
{
- struct list_head *li;
struct xfs_defer_pending *dfp;
- const struct xfs_defer_op_type *ops;
list_for_each_entry(dfp, &tp->t_dfops, dfp_list) {
- ops = defer_op_types[dfp->dfp_type];
- dfp->dfp_intent = ops->create_intent(tp, dfp->dfp_count);
trace_xfs_defer_create_intent(tp->t_mountp, dfp);
- list_sort(tp->t_mountp, &dfp->dfp_work, ops->diff_items);
- list_for_each(li, &dfp->dfp_work)
- ops->log_item(tp, dfp->dfp_intent, li);
+ xfs_defer_create_intent(tp, dfp, true);
}
}
@@ -234,10 +240,13 @@ xfs_defer_trans_roll(
struct xfs_log_item *lip;
struct xfs_buf *bplist[XFS_DEFER_OPS_NR_BUFS];
struct xfs_inode *iplist[XFS_DEFER_OPS_NR_INODES];
+ unsigned int ordered = 0; /* bitmap */
int bpcount = 0, ipcount = 0;
int i;
int error;
+ BUILD_BUG_ON(NBBY * sizeof(ordered) < XFS_DEFER_OPS_NR_BUFS);
+
list_for_each_entry(lip, &tp->t_items, li_trans) {
switch (lip->li_type) {
case XFS_LI_BUF:
@@ -248,7 +257,10 @@ xfs_defer_trans_roll(
ASSERT(0);
return -EFSCORRUPTED;
}
- xfs_trans_dirty_buf(tp, bli->bli_buf);
+ if (bli->bli_flags & XFS_BLI_ORDERED)
+ ordered |= (1U << bpcount);
+ else
+ xfs_trans_dirty_buf(tp, bli->bli_buf);
bplist[bpcount++] = bli->bli_buf;
}
break;
@@ -289,6 +301,8 @@ xfs_defer_trans_roll(
/* Rejoin the buffers and dirty them so the log moves forward. */
for (i = 0; i < bpcount; i++) {
xfs_trans_bjoin(tp, bplist[i]);
+ if (ordered & (1U << i))
+ xfs_trans_ordered_buf(tp, bplist[i]);
xfs_trans_bhold(tp, bplist[i]);
}
@@ -346,6 +360,53 @@ xfs_defer_cancel_list(
}
/*
+ * Log an intent-done item for the first pending intent, and finish the work
+ * items.
+ */
+static int
+xfs_defer_finish_one(
+ struct xfs_trans *tp,
+ struct xfs_defer_pending *dfp)
+{
+ const struct xfs_defer_op_type *ops = defer_op_types[dfp->dfp_type];
+ struct xfs_btree_cur *state = NULL;
+ struct list_head *li, *n;
+ int error;
+
+ trace_xfs_defer_pending_finish(tp->t_mountp, dfp);
+
+ dfp->dfp_done = ops->create_done(tp, dfp->dfp_intent, dfp->dfp_count);
+ list_for_each_safe(li, n, &dfp->dfp_work) {
+ list_del(li);
+ dfp->dfp_count--;
+ error = ops->finish_item(tp, dfp->dfp_done, li, &state);
+ if (error == -EAGAIN) {
+ /*
+ * Caller wants a fresh transaction; put the work item
+ * back on the list and log a new log intent item to
+ * replace the old one. See "Requesting a Fresh
+ * Transaction while Finishing Deferred Work" above.
+ */
+ list_add(li, &dfp->dfp_work);
+ dfp->dfp_count++;
+ dfp->dfp_done = NULL;
+ xfs_defer_create_intent(tp, dfp, false);
+ }
+
+ if (error)
+ goto out;
+ }
+
+ /* Done with the dfp, free it. */
+ list_del(&dfp->dfp_list);
+ kmem_free(dfp);
+out:
+ if (ops->finish_cleanup)
+ ops->finish_cleanup(tp, state, error);
+ return error;
+}
+
+/*
* Finish all the pending work. This involves logging intent items for
* any work items that wandered in since the last transaction roll (if
* one has even happened), rolling the transaction, and finishing the
@@ -358,11 +419,7 @@ xfs_defer_finish_noroll(
struct xfs_trans **tp)
{
struct xfs_defer_pending *dfp;
- struct list_head *li;
- struct list_head *n;
- void *state;
int error = 0;
- const struct xfs_defer_op_type *ops;
LIST_HEAD(dop_pending);
ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES);
@@ -371,87 +428,30 @@ xfs_defer_finish_noroll(
/* Until we run out of pending work to finish... */
while (!list_empty(&dop_pending) || !list_empty(&(*tp)->t_dfops)) {
- /* log intents and pull in intake items */
xfs_defer_create_intents(*tp);
list_splice_tail_init(&(*tp)->t_dfops, &dop_pending);
- /*
- * Roll the transaction.
- */
error = xfs_defer_trans_roll(tp);
if (error)
- goto out;
+ goto out_shutdown;
- /* Log an intent-done item for the first pending item. */
dfp = list_first_entry(&dop_pending, struct xfs_defer_pending,
dfp_list);
- ops = defer_op_types[dfp->dfp_type];
- trace_xfs_defer_pending_finish((*tp)->t_mountp, dfp);
- dfp->dfp_done = ops->create_done(*tp, dfp->dfp_intent,
- dfp->dfp_count);
-
- /* Finish the work items. */
- state = NULL;
- list_for_each_safe(li, n, &dfp->dfp_work) {
- list_del(li);
- dfp->dfp_count--;
- error = ops->finish_item(*tp, li, dfp->dfp_done,
- &state);
- if (error == -EAGAIN) {
- /*
- * Caller wants a fresh transaction;
- * put the work item back on the list
- * and jump out.
- */
- list_add(li, &dfp->dfp_work);
- dfp->dfp_count++;
- break;
- } else if (error) {
- /*
- * Clean up after ourselves and jump out.
- * xfs_defer_cancel will take care of freeing
- * all these lists and stuff.
- */
- if (ops->finish_cleanup)
- ops->finish_cleanup(*tp, state, error);
- goto out;
- }
- }
- if (error == -EAGAIN) {
- /*
- * Caller wants a fresh transaction, so log a
- * new log intent item to replace the old one
- * and roll the transaction. See "Requesting
- * a Fresh Transaction while Finishing
- * Deferred Work" above.
- */
- dfp->dfp_intent = ops->create_intent(*tp,
- dfp->dfp_count);
- dfp->dfp_done = NULL;
- list_for_each(li, &dfp->dfp_work)
- ops->log_item(*tp, dfp->dfp_intent, li);
- } else {
- /* Done with the dfp, free it. */
- list_del(&dfp->dfp_list);
- kmem_free(dfp);
- }
-
- if (ops->finish_cleanup)
- ops->finish_cleanup(*tp, state, error);
- }
-
-out:
- if (error) {
- xfs_defer_trans_abort(*tp, &dop_pending);
- xfs_force_shutdown((*tp)->t_mountp, SHUTDOWN_CORRUPT_INCORE);
- trace_xfs_defer_finish_error(*tp, error);
- xfs_defer_cancel_list((*tp)->t_mountp, &dop_pending);
- xfs_defer_cancel(*tp);
- return error;
+ error = xfs_defer_finish_one(*tp, dfp);
+ if (error && error != -EAGAIN)
+ goto out_shutdown;
}
trace_xfs_defer_finish_done(*tp, _RET_IP_);
return 0;
+
+out_shutdown:
+ xfs_defer_trans_abort(*tp, &dop_pending);
+ xfs_force_shutdown((*tp)->t_mountp, SHUTDOWN_CORRUPT_INCORE);
+ trace_xfs_defer_finish_error(*tp, error);
+ xfs_defer_cancel_list((*tp)->t_mountp, &dop_pending);
+ xfs_defer_cancel(*tp);
+ return error;
}
int
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h
index 7c28d7608ac6..6b2ca580f2b0 100644
--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2016 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
@@ -6,6 +6,7 @@
#ifndef __XFS_DEFER_H__
#define __XFS_DEFER_H__
+struct xfs_btree_cur;
struct xfs_defer_op_type;
/*
@@ -28,8 +29,8 @@ enum xfs_defer_ops_type {
struct xfs_defer_pending {
struct list_head dfp_list; /* pending items */
struct list_head dfp_work; /* work items */
- void *dfp_intent; /* log intent item */
- void *dfp_done; /* log done item */
+ struct xfs_log_item *dfp_intent; /* log intent item */
+ struct xfs_log_item *dfp_done; /* log done item */
unsigned int dfp_count; /* # extent items */
enum xfs_defer_ops_type dfp_type;
};
@@ -43,15 +44,16 @@ void xfs_defer_move(struct xfs_trans *dtp, struct xfs_trans *stp);
/* Description of a deferred type. */
struct xfs_defer_op_type {
- void (*abort_intent)(void *);
- void *(*create_done)(struct xfs_trans *, void *, unsigned int);
- int (*finish_item)(struct xfs_trans *, struct list_head *, void *,
- void **);
- void (*finish_cleanup)(struct xfs_trans *, void *, int);
- void (*cancel_item)(struct list_head *);
- int (*diff_items)(void *, struct list_head *, struct list_head *);
- void *(*create_intent)(struct xfs_trans *, uint);
- void (*log_item)(struct xfs_trans *, void *, struct list_head *);
+ struct xfs_log_item *(*create_intent)(struct xfs_trans *tp,
+ struct list_head *items, unsigned int count, bool sort);
+ void (*abort_intent)(struct xfs_log_item *intent);
+ struct xfs_log_item *(*create_done)(struct xfs_trans *tp,
+ struct xfs_log_item *intent, unsigned int count);
+ int (*finish_item)(struct xfs_trans *tp, struct xfs_log_item *done,
+ struct list_head *item, struct xfs_btree_cur **state);
+ void (*finish_cleanup)(struct xfs_trans *tp,
+ struct xfs_btree_cur *state, int error);
+ void (*cancel_item)(struct list_head *item);
unsigned int max_items;
};
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index dd6fcaaea318..612a9c5e41b1 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -278,7 +278,7 @@ xfs_dir_createname(
if (!inum)
args->op_flags |= XFS_DA_OP_JUSTCHECK;
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_addname(args);
goto out_free;
}
@@ -373,7 +373,7 @@ xfs_dir_lookup(
args->op_flags |= XFS_DA_OP_CILOOKUP;
lock_mode = xfs_ilock_data_map_shared(dp);
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_lookup(args);
goto out_check_rval;
}
@@ -443,7 +443,7 @@ xfs_dir_removename(
args->whichfork = XFS_DATA_FORK;
args->trans = tp;
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_removename(args);
goto out_free;
}
@@ -504,7 +504,7 @@ xfs_dir_replace(
args->whichfork = XFS_DATA_FORK;
args->trans = tp;
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
rval = xfs_dir2_sf_replace(args);
goto out_free;
}
diff --git a/fs/xfs/libxfs/xfs_dir2.h b/fs/xfs/libxfs/xfs_dir2.h
index 033777e282f2..e55378640b05 100644
--- a/fs/xfs/libxfs/xfs_dir2.h
+++ b/fs/xfs/libxfs/xfs_dir2.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_dir2_block.c b/fs/xfs/libxfs/xfs_dir2_block.c
index 1dbf2f980a26..5b59d3f7746b 100644
--- a/fs/xfs/libxfs/xfs_dir2_block.c
+++ b/fs/xfs/libxfs/xfs_dir2_block.c
@@ -1104,7 +1104,7 @@ xfs_dir2_sf_to_block(
ASSERT(ifp->if_bytes == dp->i_d.di_size);
ASSERT(ifp->if_u1.if_data != NULL);
ASSERT(dp->i_d.di_size >= xfs_dir2_sf_hdr_size(oldsfp->i8count));
- ASSERT(dp->i_d.di_nextents == 0);
+ ASSERT(dp->i_df.if_nextents == 0);
/*
* Copy the directory into a temporary buffer.
diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h
index 01ee0b926572..44c6a77cba05 100644
--- a/fs/xfs/libxfs/xfs_dir2_priv.h
+++ b/fs/xfs/libxfs/xfs_dir2_priv.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c
index 7b7f6fb2ea3b..2463b5d73447 100644
--- a/fs/xfs/libxfs/xfs_dir2_sf.c
+++ b/fs/xfs/libxfs/xfs_dir2_sf.c
@@ -343,7 +343,7 @@ xfs_dir2_block_to_sf(
*/
ASSERT(dp->i_df.if_bytes == 0);
xfs_init_local_fork(dp, XFS_DATA_FORK, sfp, size);
- dp->i_d.di_format = XFS_DINODE_FMT_LOCAL;
+ dp->i_df.if_format = XFS_DINODE_FMT_LOCAL;
dp->i_d.di_size = size;
logflags |= XFS_ILOG_DDATA;
@@ -710,11 +710,11 @@ xfs_dir2_sf_verify(
struct xfs_inode *ip)
{
struct xfs_mount *mp = ip->i_mount;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
struct xfs_dir2_sf_hdr *sfp;
struct xfs_dir2_sf_entry *sfep;
struct xfs_dir2_sf_entry *next_sfep;
char *endp;
- struct xfs_ifork *ifp;
xfs_ino_t ino;
int i;
int i8count;
@@ -723,9 +723,8 @@ xfs_dir2_sf_verify(
int error;
uint8_t filetype;
- ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_LOCAL);
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
- ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data;
size = ifp->if_bytes;
@@ -827,9 +826,9 @@ xfs_dir2_sf_create(
* If it's currently a zero-length extent file,
* convert it to local format.
*/
- if (dp->i_d.di_format == XFS_DINODE_FMT_EXTENTS) {
+ if (dp->i_df.if_format == XFS_DINODE_FMT_EXTENTS) {
dp->i_df.if_flags &= ~XFS_IFEXTENTS; /* just in case */
- dp->i_d.di_format = XFS_DINODE_FMT_LOCAL;
+ dp->i_df.if_format = XFS_DINODE_FMT_LOCAL;
xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE);
dp->i_df.if_flags |= XFS_IFINLINE;
}
@@ -1027,7 +1026,7 @@ xfs_dir2_sf_replace_needblock(
int newsize;
struct xfs_dir2_sf_hdr *sfp;
- if (dp->i_d.di_format != XFS_DINODE_FMT_LOCAL)
+ if (dp->i_df.if_format != XFS_DINODE_FMT_LOCAL)
return false;
sfp = (struct xfs_dir2_sf_hdr *)dp->i_df.if_u1.if_data;
diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h
index 79e6c4fb1d8a..53b305dea381 100644
--- a/fs/xfs/libxfs/xfs_errortag.h
+++ b/fs/xfs/libxfs/xfs_errortag.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
* Copyright (C) 2017 Oracle.
@@ -55,7 +55,8 @@
#define XFS_ERRTAG_FORCE_SCRUB_REPAIR 32
#define XFS_ERRTAG_FORCE_SUMMARY_RECALC 33
#define XFS_ERRTAG_IUNLINK_FALLBACK 34
-#define XFS_ERRTAG_MAX 35
+#define XFS_ERRTAG_BUF_IOERROR 35
+#define XFS_ERRTAG_MAX 36
/*
* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
@@ -95,5 +96,6 @@
#define XFS_RANDOM_FORCE_SCRUB_REPAIR 1
#define XFS_RANDOM_FORCE_SUMMARY_RECALC 1
#define XFS_RANDOM_IUNLINK_FALLBACK (XFS_RANDOM_DEFAULT/10)
+#define XFS_RANDOM_BUF_IOERROR XFS_RANDOM_DEFAULT
#endif /* __XFS_ERRORTAG_H_ */
diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h
index 045556e78ee2..b42a52bfa1e9 100644
--- a/fs/xfs/libxfs/xfs_format.h
+++ b/fs/xfs/libxfs/xfs_format.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
@@ -964,13 +964,12 @@ enum xfs_dinode_fmt {
/*
* Inode data & attribute fork sizes, per inode.
*/
-#define XFS_DFORK_Q(dip) ((dip)->di_forkoff != 0)
#define XFS_DFORK_BOFF(dip) ((int)((dip)->di_forkoff << 3))
#define XFS_DFORK_DSIZE(dip,mp) \
- (XFS_DFORK_Q(dip) ? XFS_DFORK_BOFF(dip) : XFS_LITINO(mp))
+ ((dip)->di_forkoff ? XFS_DFORK_BOFF(dip) : XFS_LITINO(mp))
#define XFS_DFORK_ASIZE(dip,mp) \
- (XFS_DFORK_Q(dip) ? XFS_LITINO(mp) - XFS_DFORK_BOFF(dip) : 0)
+ ((dip)->di_forkoff ? XFS_LITINO(mp) - XFS_DFORK_BOFF(dip) : 0)
#define XFS_DFORK_SIZE(dip,mp,w) \
((w) == XFS_DATA_FORK ? \
XFS_DFORK_DSIZE(dip, mp) : \
@@ -1681,7 +1680,7 @@ struct xfs_acl_entry {
struct xfs_acl {
__be32 acl_cnt;
- struct xfs_acl_entry acl_entry[0];
+ struct xfs_acl_entry acl_entry[];
};
/*
diff --git a/fs/xfs/libxfs/xfs_fs.h b/fs/xfs/libxfs/xfs_fs.h
index 245188e4f6d3..84bcffa87753 100644
--- a/fs/xfs/libxfs/xfs_fs.h
+++ b/fs/xfs/libxfs/xfs_fs.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: LGPL-2.1
+/* SPDX-License-Identifier: LGPL-2.1 */
/*
* Copyright (c) 1995-2005 Silicon Graphics, Inc.
* All Rights Reserved.
diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h
index 272005ac8c88..99e796256c5d 100644
--- a/fs/xfs/libxfs/xfs_health.h
+++ b/fs/xfs/libxfs/xfs_health.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 39c5a6e24915..6f84ea85fdd8 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -161,8 +161,7 @@ xfs_imap_to_bp(
struct xfs_imap *imap,
struct xfs_dinode **dipp,
struct xfs_buf **bpp,
- uint buf_flags,
- uint iget_flags)
+ uint buf_flags)
{
struct xfs_buf *bp;
int error;
@@ -172,12 +171,7 @@ xfs_imap_to_bp(
(int)imap->im_len, buf_flags, &bp,
&xfs_inode_buf_ops);
if (error) {
- if (error == -EAGAIN) {
- ASSERT(buf_flags & XBF_TRYLOCK);
- return error;
- }
- xfs_warn(mp, "%s: xfs_trans_read_buf() returned error %d.",
- __func__, error);
+ ASSERT(error != -EAGAIN || (buf_flags & XBF_TRYLOCK));
return error;
}
@@ -186,13 +180,36 @@ xfs_imap_to_bp(
return 0;
}
-void
+int
xfs_inode_from_disk(
struct xfs_inode *ip,
struct xfs_dinode *from)
{
struct xfs_icdinode *to = &ip->i_d;
struct inode *inode = VFS_I(ip);
+ int error;
+ xfs_failaddr_t fa;
+
+ ASSERT(ip->i_cowfp == NULL);
+ ASSERT(ip->i_afp == NULL);
+
+ fa = xfs_dinode_verify(ip->i_mount, ip->i_ino, from);
+ if (fa) {
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, "dinode", from,
+ sizeof(*from), fa);
+ return -EFSCORRUPTED;
+ }
+
+ /*
+ * First get the permanent information that is needed to allocate an
+ * inode. If the inode is unused, mode is zero and we shouldn't mess
+ * with the unitialized part of it.
+ */
+ to->di_flushiter = be16_to_cpu(from->di_flushiter);
+ inode->i_generation = be32_to_cpu(from->di_gen);
+ inode->i_mode = be16_to_cpu(from->di_mode);
+ if (!inode->i_mode)
+ return 0;
/*
* Convert v1 inodes immediately to v2 inode format as this is the
@@ -208,10 +225,8 @@ xfs_inode_from_disk(
be16_to_cpu(from->di_projid_lo);
}
- to->di_format = from->di_format;
i_uid_write(inode, be32_to_cpu(from->di_uid));
i_gid_write(inode, be32_to_cpu(from->di_gid));
- to->di_flushiter = be16_to_cpu(from->di_flushiter);
/*
* Time is signed, so need to convert to signed 32 bit before
@@ -225,16 +240,11 @@ xfs_inode_from_disk(
inode->i_mtime.tv_nsec = (int)be32_to_cpu(from->di_mtime.t_nsec);
inode->i_ctime.tv_sec = (int)be32_to_cpu(from->di_ctime.t_sec);
inode->i_ctime.tv_nsec = (int)be32_to_cpu(from->di_ctime.t_nsec);
- inode->i_generation = be32_to_cpu(from->di_gen);
- inode->i_mode = be16_to_cpu(from->di_mode);
to->di_size = be64_to_cpu(from->di_size);
to->di_nblocks = be64_to_cpu(from->di_nblocks);
to->di_extsize = be32_to_cpu(from->di_extsize);
- to->di_nextents = be32_to_cpu(from->di_nextents);
- to->di_anextents = be16_to_cpu(from->di_anextents);
to->di_forkoff = from->di_forkoff;
- to->di_aformat = from->di_aformat;
to->di_dmevmask = be32_to_cpu(from->di_dmevmask);
to->di_dmstate = be16_to_cpu(from->di_dmstate);
to->di_flags = be16_to_cpu(from->di_flags);
@@ -247,6 +257,22 @@ xfs_inode_from_disk(
to->di_flags2 = be64_to_cpu(from->di_flags2);
to->di_cowextsize = be32_to_cpu(from->di_cowextsize);
}
+
+ error = xfs_iformat_data_fork(ip, from);
+ if (error)
+ return error;
+ if (from->di_forkoff) {
+ error = xfs_iformat_attr_fork(ip, from);
+ if (error)
+ goto out_destroy_data_fork;
+ }
+ if (xfs_is_reflink_inode(ip))
+ xfs_ifork_init_cow(ip);
+ return 0;
+
+out_destroy_data_fork:
+ xfs_idestroy_fork(&ip->i_df);
+ return error;
}
void
@@ -261,7 +287,7 @@ xfs_inode_to_disk(
to->di_magic = cpu_to_be16(XFS_DINODE_MAGIC);
to->di_onlink = 0;
- to->di_format = from->di_format;
+ to->di_format = xfs_ifork_format(&ip->i_df);
to->di_uid = cpu_to_be32(i_uid_read(inode));
to->di_gid = cpu_to_be32(i_gid_read(inode));
to->di_projid_lo = cpu_to_be16(from->di_projid & 0xffff);
@@ -281,10 +307,10 @@ xfs_inode_to_disk(
to->di_size = cpu_to_be64(from->di_size);
to->di_nblocks = cpu_to_be64(from->di_nblocks);
to->di_extsize = cpu_to_be32(from->di_extsize);
- to->di_nextents = cpu_to_be32(from->di_nextents);
- to->di_anextents = cpu_to_be16(from->di_anextents);
+ to->di_nextents = cpu_to_be32(xfs_ifork_nextents(&ip->i_df));
+ to->di_anextents = cpu_to_be16(xfs_ifork_nextents(ip->i_afp));
to->di_forkoff = from->di_forkoff;
- to->di_aformat = from->di_aformat;
+ to->di_aformat = xfs_ifork_format(ip->i_afp);
to->di_dmevmask = cpu_to_be32(from->di_dmevmask);
to->di_dmstate = cpu_to_be16(from->di_dmstate);
to->di_flags = cpu_to_be16(from->di_flags);
@@ -405,7 +431,7 @@ xfs_dinode_verify_forkoff(
struct xfs_dinode *dip,
struct xfs_mount *mp)
{
- if (!XFS_DFORK_Q(dip))
+ if (!dip->di_forkoff)
return NULL;
switch (dip->di_format) {
@@ -508,7 +534,7 @@ xfs_dinode_verify(
return __this_address;
}
- if (XFS_DFORK_Q(dip)) {
+ if (dip->di_forkoff) {
fa = xfs_dinode_verify_fork(dip, mp, XFS_ATTR_FORK);
if (fa)
return fa;
@@ -585,122 +611,6 @@ xfs_dinode_calc_crc(
}
/*
- * Read the disk inode attributes into the in-core inode structure.
- *
- * For version 5 superblocks, if we are initialising a new inode and we are not
- * utilising the XFS_MOUNT_IKEEP inode cluster mode, we can simple build the new
- * inode core with a random generation number. If we are keeping inodes around,
- * we need to read the inode cluster to get the existing generation number off
- * disk. Further, if we are using version 4 superblocks (i.e. v1/v2 inode
- * format) then log recovery is dependent on the di_flushiter field being
- * initialised from the current on-disk value and hence we must also read the
- * inode off disk.
- */
-int
-xfs_iread(
- xfs_mount_t *mp,
- xfs_trans_t *tp,
- xfs_inode_t *ip,
- uint iget_flags)
-{
- xfs_buf_t *bp;
- xfs_dinode_t *dip;
- xfs_failaddr_t fa;
- int error;
-
- /*
- * Fill in the location information in the in-core inode.
- */
- error = xfs_imap(mp, tp, ip->i_ino, &ip->i_imap, iget_flags);
- if (error)
- return error;
-
- /* shortcut IO on inode allocation if possible */
- if ((iget_flags & XFS_IGET_CREATE) &&
- xfs_sb_version_has_v3inode(&mp->m_sb) &&
- !(mp->m_flags & XFS_MOUNT_IKEEP)) {
- VFS_I(ip)->i_generation = prandom_u32();
- return 0;
- }
-
- /*
- * Get pointers to the on-disk inode and the buffer containing it.
- */
- error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &dip, &bp, 0, iget_flags);
- if (error)
- return error;
-
- /* even unallocated inodes are verified */
- fa = xfs_dinode_verify(mp, ip->i_ino, dip);
- if (fa) {
- xfs_inode_verifier_error(ip, -EFSCORRUPTED, "dinode", dip,
- sizeof(*dip), fa);
- error = -EFSCORRUPTED;
- goto out_brelse;
- }
-
- /*
- * If the on-disk inode is already linked to a directory
- * entry, copy all of the inode into the in-core inode.
- * xfs_iformat_fork() handles copying in the inode format
- * specific information.
- * Otherwise, just get the truly permanent information.
- */
- if (dip->di_mode) {
- xfs_inode_from_disk(ip, dip);
- error = xfs_iformat_fork(ip, dip);
- if (error) {
-#ifdef DEBUG
- xfs_alert(mp, "%s: xfs_iformat() returned error %d",
- __func__, error);
-#endif /* DEBUG */
- goto out_brelse;
- }
- } else {
- /*
- * Partial initialisation of the in-core inode. Just the bits
- * that xfs_ialloc won't overwrite or relies on being correct.
- */
- VFS_I(ip)->i_generation = be32_to_cpu(dip->di_gen);
- ip->i_d.di_flushiter = be16_to_cpu(dip->di_flushiter);
-
- /*
- * Make sure to pull in the mode here as well in
- * case the inode is released without being used.
- * This ensures that xfs_inactive() will see that
- * the inode is already free and not try to mess
- * with the uninitialized part of it.
- */
- VFS_I(ip)->i_mode = 0;
- }
-
- ip->i_delayed_blks = 0;
-
- /*
- * Mark the buffer containing the inode as something to keep
- * around for a while. This helps to keep recently accessed
- * meta-data in-core longer.
- */
- xfs_buf_set_ref(bp, XFS_INO_REF);
-
- /*
- * Use xfs_trans_brelse() to release the buffer containing the on-disk
- * inode, because it was acquired with xfs_trans_read_buf() in
- * xfs_imap_to_bp() above. If tp is NULL, this is just a normal
- * brelse(). If we're within a transaction, then xfs_trans_brelse()
- * will only release the buffer if it is not dirty within the
- * transaction. It will be OK to release the buffer in this case,
- * because inodes on disk are never destroyed and we will be locking the
- * new in-core inode before putting it in the cache where other
- * processes can find it. Thus we don't have to worry about the inode
- * being changed just because we released the buffer.
- */
- out_brelse:
- xfs_trans_brelse(tp, bp);
- return error;
-}
-
-/*
* Validate di_extsize hint.
*
* The rules are documented at xfs_ioctl_setattr_check_extsize().
diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h
index 9b373dcf9e34..865ac493c72a 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.h
+++ b/fs/xfs/libxfs/xfs_inode_buf.h
@@ -16,16 +16,12 @@ struct xfs_dinode;
* format specific structures at the appropriate time.
*/
struct xfs_icdinode {
- int8_t di_format; /* format of di_c data */
uint16_t di_flushiter; /* incremented on flush */
uint32_t di_projid; /* owner's project id */
xfs_fsize_t di_size; /* number of bytes in file */
xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */
xfs_extlen_t di_extsize; /* basic/minimum extent size for file */
- xfs_extnum_t di_nextents; /* number of extents in data fork */
- xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/
uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */
- int8_t di_aformat; /* format of attr fork's data */
uint32_t di_dmevmask; /* DMIG event mask */
uint16_t di_dmstate; /* DMIG state info */
uint16_t di_flags; /* random flags, XFS_DIFLAG_... */
@@ -48,13 +44,11 @@ struct xfs_imap {
int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *,
struct xfs_imap *, struct xfs_dinode **,
- struct xfs_buf **, uint, uint);
-int xfs_iread(struct xfs_mount *, struct xfs_trans *,
- struct xfs_inode *, uint);
+ struct xfs_buf **, uint);
void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *);
void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to,
xfs_lsn_t lsn);
-void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
+int xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from);
void xfs_log_dinode_to_disk(struct xfs_log_dinode *from,
struct xfs_dinode *to);
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 518c6f0ec3a6..28b366275ae0 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -26,110 +26,6 @@
kmem_zone_t *xfs_ifork_zone;
-STATIC int xfs_iformat_local(xfs_inode_t *, xfs_dinode_t *, int, int);
-STATIC int xfs_iformat_extents(xfs_inode_t *, xfs_dinode_t *, int);
-STATIC int xfs_iformat_btree(xfs_inode_t *, xfs_dinode_t *, int);
-
-/*
- * Copy inode type and data and attr format specific information from the
- * on-disk inode to the in-core inode and fork structures. For fifos, devices,
- * and sockets this means set i_rdev to the proper value. For files,
- * directories, and symlinks this means to bring in the in-line data or extent
- * pointers as well as the attribute fork. For a fork in B-tree format, only
- * the root is immediately brought in-core. The rest will be read in later when
- * first referenced (see xfs_iread_extents()).
- */
-int
-xfs_iformat_fork(
- struct xfs_inode *ip,
- struct xfs_dinode *dip)
-{
- struct inode *inode = VFS_I(ip);
- struct xfs_attr_shortform *atp;
- int size;
- int error = 0;
- xfs_fsize_t di_size;
-
- switch (inode->i_mode & S_IFMT) {
- case S_IFIFO:
- case S_IFCHR:
- case S_IFBLK:
- case S_IFSOCK:
- ip->i_d.di_size = 0;
- inode->i_rdev = xfs_to_linux_dev_t(xfs_dinode_get_rdev(dip));
- break;
-
- case S_IFREG:
- case S_IFLNK:
- case S_IFDIR:
- switch (dip->di_format) {
- case XFS_DINODE_FMT_LOCAL:
- di_size = be64_to_cpu(dip->di_size);
- size = (int)di_size;
- error = xfs_iformat_local(ip, dip, XFS_DATA_FORK, size);
- break;
- case XFS_DINODE_FMT_EXTENTS:
- error = xfs_iformat_extents(ip, dip, XFS_DATA_FORK);
- break;
- case XFS_DINODE_FMT_BTREE:
- error = xfs_iformat_btree(ip, dip, XFS_DATA_FORK);
- break;
- default:
- xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__,
- dip, sizeof(*dip), __this_address);
- return -EFSCORRUPTED;
- }
- break;
-
- default:
- xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, dip,
- sizeof(*dip), __this_address);
- return -EFSCORRUPTED;
- }
- if (error)
- return error;
-
- if (xfs_is_reflink_inode(ip)) {
- ASSERT(ip->i_cowfp == NULL);
- xfs_ifork_init_cow(ip);
- }
-
- if (!XFS_DFORK_Q(dip))
- return 0;
-
- ASSERT(ip->i_afp == NULL);
- ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_NOFS);
-
- switch (dip->di_aformat) {
- case XFS_DINODE_FMT_LOCAL:
- atp = (xfs_attr_shortform_t *)XFS_DFORK_APTR(dip);
- size = be16_to_cpu(atp->hdr.totsize);
-
- error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK, size);
- break;
- case XFS_DINODE_FMT_EXTENTS:
- error = xfs_iformat_extents(ip, dip, XFS_ATTR_FORK);
- break;
- case XFS_DINODE_FMT_BTREE:
- error = xfs_iformat_btree(ip, dip, XFS_ATTR_FORK);
- break;
- default:
- xfs_inode_verifier_error(ip, error, __func__, dip,
- sizeof(*dip), __this_address);
- error = -EFSCORRUPTED;
- break;
- }
- if (error) {
- kmem_cache_free(xfs_ifork_zone, ip->i_afp);
- ip->i_afp = NULL;
- if (ip->i_cowfp)
- kmem_cache_free(xfs_ifork_zone, ip->i_cowfp);
- ip->i_cowfp = NULL;
- xfs_idestroy_fork(ip, XFS_DATA_FORK);
- }
- return error;
-}
-
void
xfs_init_local_fork(
struct xfs_inode *ip,
@@ -292,12 +188,11 @@ xfs_iformat_btree(
* or the number of extents is greater than the number of
* blocks.
*/
- if (unlikely(XFS_IFORK_NEXTENTS(ip, whichfork) <=
- XFS_IFORK_MAXEXT(ip, whichfork) ||
+ if (unlikely(ifp->if_nextents <= XFS_IFORK_MAXEXT(ip, whichfork) ||
nrecs == 0 ||
XFS_BMDR_SPACE_CALC(nrecs) >
XFS_DFORK_SIZE(dip, mp, whichfork) ||
- XFS_IFORK_NEXTENTS(ip, whichfork) > ip->i_d.di_nblocks) ||
+ ifp->if_nextents > ip->i_d.di_nblocks) ||
level == 0 || level > XFS_BTREE_MAXLEVELS) {
xfs_warn(mp, "corrupt inode %Lu (btree).",
(unsigned long long) ip->i_ino);
@@ -325,6 +220,110 @@ xfs_iformat_btree(
return 0;
}
+int
+xfs_iformat_data_fork(
+ struct xfs_inode *ip,
+ struct xfs_dinode *dip)
+{
+ struct inode *inode = VFS_I(ip);
+ int error;
+
+ /*
+ * Initialize the extent count early, as the per-format routines may
+ * depend on it.
+ */
+ ip->i_df.if_format = dip->di_format;
+ ip->i_df.if_nextents = be32_to_cpu(dip->di_nextents);
+
+ switch (inode->i_mode & S_IFMT) {
+ case S_IFIFO:
+ case S_IFCHR:
+ case S_IFBLK:
+ case S_IFSOCK:
+ ip->i_d.di_size = 0;
+ inode->i_rdev = xfs_to_linux_dev_t(xfs_dinode_get_rdev(dip));
+ return 0;
+ case S_IFREG:
+ case S_IFLNK:
+ case S_IFDIR:
+ switch (ip->i_df.if_format) {
+ case XFS_DINODE_FMT_LOCAL:
+ error = xfs_iformat_local(ip, dip, XFS_DATA_FORK,
+ be64_to_cpu(dip->di_size));
+ if (!error)
+ error = xfs_ifork_verify_local_data(ip);
+ return error;
+ case XFS_DINODE_FMT_EXTENTS:
+ return xfs_iformat_extents(ip, dip, XFS_DATA_FORK);
+ case XFS_DINODE_FMT_BTREE:
+ return xfs_iformat_btree(ip, dip, XFS_DATA_FORK);
+ default:
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__,
+ dip, sizeof(*dip), __this_address);
+ return -EFSCORRUPTED;
+ }
+ break;
+ default:
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, dip,
+ sizeof(*dip), __this_address);
+ return -EFSCORRUPTED;
+ }
+}
+
+static uint16_t
+xfs_dfork_attr_shortform_size(
+ struct xfs_dinode *dip)
+{
+ struct xfs_attr_shortform *atp =
+ (struct xfs_attr_shortform *)XFS_DFORK_APTR(dip);
+
+ return be16_to_cpu(atp->hdr.totsize);
+}
+
+int
+xfs_iformat_attr_fork(
+ struct xfs_inode *ip,
+ struct xfs_dinode *dip)
+{
+ int error = 0;
+
+ /*
+ * Initialize the extent count early, as the per-format routines may
+ * depend on it.
+ */
+ ip->i_afp = kmem_zone_zalloc(xfs_ifork_zone, KM_NOFS);
+ ip->i_afp->if_format = dip->di_aformat;
+ if (unlikely(ip->i_afp->if_format == 0)) /* pre IRIX 6.2 file system */
+ ip->i_afp->if_format = XFS_DINODE_FMT_EXTENTS;
+ ip->i_afp->if_nextents = be16_to_cpu(dip->di_anextents);
+
+ switch (ip->i_afp->if_format) {
+ case XFS_DINODE_FMT_LOCAL:
+ error = xfs_iformat_local(ip, dip, XFS_ATTR_FORK,
+ xfs_dfork_attr_shortform_size(dip));
+ if (!error)
+ error = xfs_ifork_verify_local_attr(ip);
+ break;
+ case XFS_DINODE_FMT_EXTENTS:
+ error = xfs_iformat_extents(ip, dip, XFS_ATTR_FORK);
+ break;
+ case XFS_DINODE_FMT_BTREE:
+ error = xfs_iformat_btree(ip, dip, XFS_ATTR_FORK);
+ break;
+ default:
+ xfs_inode_verifier_error(ip, error, __func__, dip,
+ sizeof(*dip), __this_address);
+ error = -EFSCORRUPTED;
+ break;
+ }
+
+ if (error) {
+ kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+ ip->i_afp = NULL;
+ }
+ return error;
+}
+
/*
* Reallocate the space for if_broot based on the number of records
* being added or deleted as indicated in rec_diff. Move the records
@@ -504,38 +503,24 @@ xfs_idata_realloc(
void
xfs_idestroy_fork(
- xfs_inode_t *ip,
- int whichfork)
+ struct xfs_ifork *ifp)
{
- struct xfs_ifork *ifp;
-
- ifp = XFS_IFORK_PTR(ip, whichfork);
if (ifp->if_broot != NULL) {
kmem_free(ifp->if_broot);
ifp->if_broot = NULL;
}
/*
- * If the format is local, then we can't have an extents
- * array so just look for an inline data array. If we're
- * not local then we may or may not have an extents list,
- * so check and free it up if we do.
+ * If the format is local, then we can't have an extents array so just
+ * look for an inline data array. If we're not local then we may or may
+ * not have an extents list, so check and free it up if we do.
*/
- if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) {
- if (ifp->if_u1.if_data != NULL) {
- kmem_free(ifp->if_u1.if_data);
- ifp->if_u1.if_data = NULL;
- }
- } else if ((ifp->if_flags & XFS_IFEXTENTS) && ifp->if_height) {
- xfs_iext_destroy(ifp);
- }
-
- if (whichfork == XFS_ATTR_FORK) {
- kmem_cache_free(xfs_ifork_zone, ip->i_afp);
- ip->i_afp = NULL;
- } else if (whichfork == XFS_COW_FORK) {
- kmem_cache_free(xfs_ifork_zone, ip->i_cowfp);
- ip->i_cowfp = NULL;
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL) {
+ kmem_free(ifp->if_u1.if_data);
+ ifp->if_u1.if_data = NULL;
+ } else if (ifp->if_flags & XFS_IFEXTENTS) {
+ if (ifp->if_height)
+ xfs_iext_destroy(ifp);
}
}
@@ -592,7 +577,7 @@ void
xfs_iflush_fork(
xfs_inode_t *ip,
xfs_dinode_t *dip,
- xfs_inode_log_item_t *iip,
+ struct xfs_inode_log_item *iip,
int whichfork)
{
char *cp;
@@ -618,7 +603,7 @@ xfs_iflush_fork(
}
cp = XFS_DFORK_PTR(dip, whichfork);
mp = ip->i_mount;
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_LOCAL:
if ((iip->ili_fields & dataflag[whichfork]) &&
(ifp->if_bytes > 0)) {
@@ -633,7 +618,7 @@ xfs_iflush_fork(
!(iip->ili_fields & extflag[whichfork]));
if ((iip->ili_fields & extflag[whichfork]) &&
(ifp->if_bytes > 0)) {
- ASSERT(XFS_IFORK_NEXTENTS(ip, whichfork) > 0);
+ ASSERT(ifp->if_nextents > 0);
(void)xfs_iextents_copy(ip, (xfs_bmbt_rec_t *)cp,
whichfork);
}
@@ -691,48 +676,55 @@ xfs_ifork_init_cow(
ip->i_cowfp = kmem_zone_zalloc(xfs_ifork_zone,
KM_NOFS);
ip->i_cowfp->if_flags = XFS_IFEXTENTS;
- ip->i_cformat = XFS_DINODE_FMT_EXTENTS;
- ip->i_cnextents = 0;
+ ip->i_cowfp->if_format = XFS_DINODE_FMT_EXTENTS;
}
-/* Default fork content verifiers. */
-struct xfs_ifork_ops xfs_default_ifork_ops = {
- .verify_attr = xfs_attr_shortform_verify,
- .verify_dir = xfs_dir2_sf_verify,
- .verify_symlink = xfs_symlink_shortform_verify,
-};
-
/* Verify the inline contents of the data fork of an inode. */
-xfs_failaddr_t
-xfs_ifork_verify_data(
- struct xfs_inode *ip,
- struct xfs_ifork_ops *ops)
+int
+xfs_ifork_verify_local_data(
+ struct xfs_inode *ip)
{
- /* Non-local data fork, we're done. */
- if (ip->i_d.di_format != XFS_DINODE_FMT_LOCAL)
- return NULL;
+ xfs_failaddr_t fa = NULL;
- /* Check the inline data fork if there is one. */
switch (VFS_I(ip)->i_mode & S_IFMT) {
case S_IFDIR:
- return ops->verify_dir(ip);
+ fa = xfs_dir2_sf_verify(ip);
+ break;
case S_IFLNK:
- return ops->verify_symlink(ip);
+ fa = xfs_symlink_shortform_verify(ip);
+ break;
default:
- return NULL;
+ break;
}
+
+ if (fa) {
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, "data fork",
+ ip->i_df.if_u1.if_data, ip->i_df.if_bytes, fa);
+ return -EFSCORRUPTED;
+ }
+
+ return 0;
}
/* Verify the inline contents of the attr fork of an inode. */
-xfs_failaddr_t
-xfs_ifork_verify_attr(
- struct xfs_inode *ip,
- struct xfs_ifork_ops *ops)
+int
+xfs_ifork_verify_local_attr(
+ struct xfs_inode *ip)
{
- /* There has to be an attr fork allocated if aformat is local. */
- if (ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL)
- return NULL;
- if (!XFS_IFORK_PTR(ip, XFS_ATTR_FORK))
- return __this_address;
- return ops->verify_attr(ip);
+ struct xfs_ifork *ifp = ip->i_afp;
+ xfs_failaddr_t fa;
+
+ if (!ifp)
+ fa = __this_address;
+ else
+ fa = xfs_attr_shortform_verify(ip);
+
+ if (fa) {
+ xfs_inode_verifier_error(ip, -EFSCORRUPTED, "attr fork",
+ ifp ? ifp->if_u1.if_data : NULL,
+ ifp ? ifp->if_bytes : 0, fa);
+ return -EFSCORRUPTED;
+ }
+
+ return 0;
}
diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h
index 668ee942be22..a4953e95c4f3 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.h
+++ b/fs/xfs/libxfs/xfs_inode_fork.h
@@ -23,6 +23,8 @@ struct xfs_ifork {
} if_u1;
short if_broot_bytes; /* bytes allocated for root */
unsigned char if_flags; /* per-fork flags */
+ int8_t if_format; /* format of this fork */
+ xfs_extnum_t if_nextents; /* # of extents in this fork */
};
/*
@@ -55,43 +57,36 @@ struct xfs_ifork {
((w) == XFS_ATTR_FORK ? \
XFS_IFORK_ASIZE(ip) : \
0))
-#define XFS_IFORK_FORMAT(ip,w) \
- ((w) == XFS_DATA_FORK ? \
- (ip)->i_d.di_format : \
- ((w) == XFS_ATTR_FORK ? \
- (ip)->i_d.di_aformat : \
- (ip)->i_cformat))
-#define XFS_IFORK_FMT_SET(ip,w,n) \
- ((w) == XFS_DATA_FORK ? \
- ((ip)->i_d.di_format = (n)) : \
- ((w) == XFS_ATTR_FORK ? \
- ((ip)->i_d.di_aformat = (n)) : \
- ((ip)->i_cformat = (n))))
-#define XFS_IFORK_NEXTENTS(ip,w) \
- ((w) == XFS_DATA_FORK ? \
- (ip)->i_d.di_nextents : \
- ((w) == XFS_ATTR_FORK ? \
- (ip)->i_d.di_anextents : \
- (ip)->i_cnextents))
-#define XFS_IFORK_NEXT_SET(ip,w,n) \
- ((w) == XFS_DATA_FORK ? \
- ((ip)->i_d.di_nextents = (n)) : \
- ((w) == XFS_ATTR_FORK ? \
- ((ip)->i_d.di_anextents = (n)) : \
- ((ip)->i_cnextents = (n))))
#define XFS_IFORK_MAXEXT(ip, w) \
(XFS_IFORK_SIZE(ip, w) / sizeof(xfs_bmbt_rec_t))
-#define xfs_ifork_has_extents(ip, w) \
- (XFS_IFORK_FORMAT((ip), (w)) == XFS_DINODE_FMT_EXTENTS || \
- XFS_IFORK_FORMAT((ip), (w)) == XFS_DINODE_FMT_BTREE)
+static inline bool xfs_ifork_has_extents(struct xfs_ifork *ifp)
+{
+ return ifp->if_format == XFS_DINODE_FMT_EXTENTS ||
+ ifp->if_format == XFS_DINODE_FMT_BTREE;
+}
+
+static inline xfs_extnum_t xfs_ifork_nextents(struct xfs_ifork *ifp)
+{
+ if (!ifp)
+ return 0;
+ return ifp->if_nextents;
+}
+
+static inline int8_t xfs_ifork_format(struct xfs_ifork *ifp)
+{
+ if (!ifp)
+ return XFS_DINODE_FMT_EXTENTS;
+ return ifp->if_format;
+}
struct xfs_ifork *xfs_iext_state_to_fork(struct xfs_inode *ip, int state);
-int xfs_iformat_fork(struct xfs_inode *, struct xfs_dinode *);
+int xfs_iformat_data_fork(struct xfs_inode *, struct xfs_dinode *);
+int xfs_iformat_attr_fork(struct xfs_inode *, struct xfs_dinode *);
void xfs_iflush_fork(struct xfs_inode *, struct xfs_dinode *,
struct xfs_inode_log_item *, int);
-void xfs_idestroy_fork(struct xfs_inode *, int);
+void xfs_idestroy_fork(struct xfs_ifork *ifp);
void xfs_idata_realloc(struct xfs_inode *ip, int64_t byte_diff,
int whichfork);
void xfs_iroot_realloc(struct xfs_inode *, int, int);
@@ -175,18 +170,7 @@ extern struct kmem_zone *xfs_ifork_zone;
extern void xfs_ifork_init_cow(struct xfs_inode *ip);
-typedef xfs_failaddr_t (*xfs_ifork_verifier_t)(struct xfs_inode *);
-
-struct xfs_ifork_ops {
- xfs_ifork_verifier_t verify_symlink;
- xfs_ifork_verifier_t verify_dir;
- xfs_ifork_verifier_t verify_attr;
-};
-extern struct xfs_ifork_ops xfs_default_ifork_ops;
-
-xfs_failaddr_t xfs_ifork_verify_data(struct xfs_inode *ip,
- struct xfs_ifork_ops *ops);
-xfs_failaddr_t xfs_ifork_verify_attr(struct xfs_inode *ip,
- struct xfs_ifork_ops *ops);
+int xfs_ifork_verify_local_data(struct xfs_inode *ip);
+int xfs_ifork_verify_local_attr(struct xfs_inode *ip);
#endif /* __XFS_INODE_FORK_H__ */
diff --git a/fs/xfs/libxfs/xfs_log_recover.h b/fs/xfs/libxfs/xfs_log_recover.h
index 3bf671637a91..641132d0e39d 100644
--- a/fs/xfs/libxfs/xfs_log_recover.h
+++ b/fs/xfs/libxfs/xfs_log_recover.h
@@ -7,6 +7,73 @@
#define __XFS_LOG_RECOVER_H__
/*
+ * Each log item type (XFS_LI_*) gets its own xlog_recover_item_ops to
+ * define how recovery should work for that type of log item.
+ */
+struct xlog_recover_item;
+
+/* Sorting hat for log items as they're read in. */
+enum xlog_recover_reorder {
+ XLOG_REORDER_BUFFER_LIST,
+ XLOG_REORDER_ITEM_LIST,
+ XLOG_REORDER_INODE_BUFFER_LIST,
+ XLOG_REORDER_CANCEL_LIST,
+};
+
+struct xlog_recover_item_ops {
+ uint16_t item_type; /* XFS_LI_* type code. */
+
+ /*
+ * Help sort recovered log items into the order required to replay them
+ * correctly. Log item types that always use XLOG_REORDER_ITEM_LIST do
+ * not have to supply a function here. See the comment preceding
+ * xlog_recover_reorder_trans for more details about what the return
+ * values mean.
+ */
+ enum xlog_recover_reorder (*reorder)(struct xlog_recover_item *item);
+
+ /* Start readahead for pass2, if provided. */
+ void (*ra_pass2)(struct xlog *log, struct xlog_recover_item *item);
+
+ /* Do whatever work we need to do for pass1, if provided. */
+ int (*commit_pass1)(struct xlog *log, struct xlog_recover_item *item);
+
+ /*
+ * This function should do whatever work is needed for pass2 of log
+ * recovery, if provided.
+ *
+ * If the recovered item is an intent item, this function should parse
+ * the recovered item to construct an in-core log intent item and
+ * insert it into the AIL. The in-core log intent item should have 1
+ * refcount so that the item is freed either (a) when we commit the
+ * recovered log item for the intent-done item; (b) replay the work and
+ * log a new intent-done item; or (c) recovery fails and we have to
+ * abort.
+ *
+ * If the recovered item is an intent-done item, this function should
+ * parse the recovered item to find the id of the corresponding intent
+ * log item. Next, it should find the in-core log intent item in the
+ * AIL and release it.
+ */
+ int (*commit_pass2)(struct xlog *log, struct list_head *buffer_list,
+ struct xlog_recover_item *item, xfs_lsn_t lsn);
+};
+
+extern const struct xlog_recover_item_ops xlog_icreate_item_ops;
+extern const struct xlog_recover_item_ops xlog_buf_item_ops;
+extern const struct xlog_recover_item_ops xlog_inode_item_ops;
+extern const struct xlog_recover_item_ops xlog_dquot_item_ops;
+extern const struct xlog_recover_item_ops xlog_quotaoff_item_ops;
+extern const struct xlog_recover_item_ops xlog_bui_item_ops;
+extern const struct xlog_recover_item_ops xlog_bud_item_ops;
+extern const struct xlog_recover_item_ops xlog_efi_item_ops;
+extern const struct xlog_recover_item_ops xlog_efd_item_ops;
+extern const struct xlog_recover_item_ops xlog_rui_item_ops;
+extern const struct xlog_recover_item_ops xlog_rud_item_ops;
+extern const struct xlog_recover_item_ops xlog_cui_item_ops;
+extern const struct xlog_recover_item_ops xlog_cud_item_ops;
+
+/*
* Macros, structures, prototypes for internal log manager use.
*/
@@ -22,13 +89,13 @@
/*
* item headers are in ri_buf[0]. Additional buffers follow.
*/
-typedef struct xlog_recover_item {
+struct xlog_recover_item {
struct list_head ri_list;
- int ri_type;
int ri_cnt; /* count of regions found */
int ri_total; /* total regions */
- xfs_log_iovec_t *ri_buf; /* ptr to regions buffer */
-} xlog_recover_item_t;
+ struct xfs_log_iovec *ri_buf; /* ptr to regions buffer */
+ const struct xlog_recover_item_ops *ri_ops;
+};
struct xlog_recover {
struct hlist_node r_list;
@@ -51,4 +118,12 @@ struct xlog_recover {
#define XLOG_RECOVER_PASS1 1
#define XLOG_RECOVER_PASS2 2
+void xlog_buf_readahead(struct xlog *log, xfs_daddr_t blkno, uint len,
+ const struct xfs_buf_ops *ops);
+bool xlog_is_buffer_cancelled(struct xlog *log, xfs_daddr_t blkno, uint len);
+void xlog_recover_iodone(struct xfs_buf *bp);
+
+void xlog_recover_release_intent(struct xlog *log, unsigned short intent_type,
+ uint64_t intent_id);
+
#endif /* __XFS_LOG_RECOVER_H__ */
diff --git a/fs/xfs/libxfs/xfs_quota_defs.h b/fs/xfs/libxfs/xfs_quota_defs.h
index b2113b17e53c..56d9dd787e7b 100644
--- a/fs/xfs/libxfs/xfs_quota_defs.h
+++ b/fs/xfs/libxfs/xfs_quota_defs.h
@@ -100,7 +100,6 @@ typedef uint16_t xfs_qwarncnt_t;
#define XFS_QMOPT_FORCE_RES 0x0000010 /* ignore quota limits */
#define XFS_QMOPT_SBVERSION 0x0000040 /* change superblock version num */
#define XFS_QMOPT_GQUOTA 0x0002000 /* group dquot requested */
-#define XFS_QMOPT_ENOSPC 0x0004000 /* enospc instead of edquot (prj) */
/*
* flags to xfs_trans_mod_dquot to indicate which field needs to be
diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c
index f42c74cb8be5..9498ced947be 100644
--- a/fs/xfs/libxfs/xfs_rtbitmap.c
+++ b/fs/xfs/libxfs/xfs_rtbitmap.c
@@ -66,7 +66,7 @@ xfs_rtbuf_get(
ip = issum ? mp->m_rsumip : mp->m_rbmip;
- error = xfs_bmapi_read(ip, block, 1, &map, &nmap, XFS_DATA_FORK);
+ error = xfs_bmapi_read(ip, block, 1, &map, &nmap, 0);
if (error)
return error;
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index c526c5e5ab76..4df87546bd40 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -243,7 +243,7 @@ xfs_validate_sb_common(
} else if (sbp->sb_qflags & (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD |
XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD)) {
xfs_notice(mp,
-"Superblock earlier than Version 5 has XFS_[PQ]UOTA_{ENFD|CHKD} bits.");
+"Superblock earlier than Version 5 has XFS_{P|G}QUOTA_{ENFD|CHKD} bits.");
return -EFSCORRUPTED;
}
diff --git a/fs/xfs/libxfs/xfs_symlink_remote.c b/fs/xfs/libxfs/xfs_symlink_remote.c
index 3b8260ca7d1b..594bc447a7dd 100644
--- a/fs/xfs/libxfs/xfs_symlink_remote.c
+++ b/fs/xfs/libxfs/xfs_symlink_remote.c
@@ -204,16 +204,12 @@ xfs_failaddr_t
xfs_symlink_shortform_verify(
struct xfs_inode *ip)
{
- char *sfp;
- char *endp;
- struct xfs_ifork *ifp;
- int size;
-
- ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_LOCAL);
- ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
- sfp = (char *)ifp->if_u1.if_data;
- size = ifp->if_bytes;
- endp = sfp + size;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
+ char *sfp = (char *)ifp->if_u1.if_data;
+ int size = ifp->if_bytes;
+ char *endp = sfp + size;
+
+ ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);
/*
* Zero length symlinks should never occur in memory as they are
diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c
index 2b8ccb5b975d..b5dfb6654842 100644
--- a/fs/xfs/libxfs/xfs_trans_inode.c
+++ b/fs/xfs/libxfs/xfs_trans_inode.c
@@ -27,7 +27,7 @@ xfs_trans_ijoin(
struct xfs_inode *ip,
uint lock_flags)
{
- xfs_inode_log_item_t *iip;
+ struct xfs_inode_log_item *iip;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
if (ip->i_itemp == NULL)
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index add8598eacd5..7badd6dfe544 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -566,8 +566,9 @@ xchk_bmap_check_rmaps(
struct xfs_scrub *sc,
int whichfork)
{
- loff_t size;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(sc->ip, whichfork);
xfs_agnumber_t agno;
+ bool zero_size;
int error;
if (!xfs_sb_version_hasrmapbt(&sc->mp->m_sb) ||
@@ -579,6 +580,8 @@ xchk_bmap_check_rmaps(
if (XFS_IS_REALTIME_INODE(sc->ip) && whichfork == XFS_DATA_FORK)
return 0;
+ ASSERT(XFS_IFORK_PTR(sc->ip, whichfork) != NULL);
+
/*
* Only do this for complex maps that are in btree format, or for
* situations where we would seem to have a size but zero extents.
@@ -586,19 +589,14 @@ xchk_bmap_check_rmaps(
* to flag this bmap as corrupt if there are rmaps that need to be
* reattached.
*/
- switch (whichfork) {
- case XFS_DATA_FORK:
- size = i_size_read(VFS_I(sc->ip));
- break;
- case XFS_ATTR_FORK:
- size = XFS_IFORK_Q(sc->ip);
- break;
- default:
- size = 0;
- break;
- }
- if (XFS_IFORK_FORMAT(sc->ip, whichfork) != XFS_DINODE_FMT_BTREE &&
- (size == 0 || XFS_IFORK_NEXTENTS(sc->ip, whichfork) > 0))
+
+ if (whichfork == XFS_DATA_FORK)
+ zero_size = i_size_read(VFS_I(sc->ip)) == 0;
+ else
+ zero_size = false;
+
+ if (ifp->if_format != XFS_DINODE_FMT_BTREE &&
+ (zero_size || ifp->if_nextents > 0))
return 0;
for (agno = 0; agno < sc->mp->m_sb.sb_agcount; agno++) {
@@ -627,12 +625,14 @@ xchk_bmap(
struct xchk_bmap_info info = { NULL };
struct xfs_mount *mp = sc->mp;
struct xfs_inode *ip = sc->ip;
- struct xfs_ifork *ifp;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
xfs_fileoff_t endoff;
struct xfs_iext_cursor icur;
int error = 0;
- ifp = XFS_IFORK_PTR(ip, whichfork);
+ /* Non-existent forks can be ignored. */
+ if (!ifp)
+ goto out;
info.is_rt = whichfork == XFS_DATA_FORK && XFS_IS_REALTIME_INODE(ip);
info.whichfork = whichfork;
@@ -641,9 +641,6 @@ xchk_bmap(
switch (whichfork) {
case XFS_COW_FORK:
- /* Non-existent CoW forks are ignorable. */
- if (!ifp)
- goto out;
/* No CoW forks on non-reflink inodes/filesystems. */
if (!xfs_is_reflink_inode(ip)) {
xchk_ino_set_corrupt(sc, sc->ip->i_ino);
@@ -651,8 +648,6 @@ xchk_bmap(
}
break;
case XFS_ATTR_FORK:
- if (!ifp)
- goto out_check_rmap;
if (!xfs_sb_version_hasattr(&mp->m_sb) &&
!xfs_sb_version_hasattr2(&mp->m_sb))
xchk_ino_set_corrupt(sc, sc->ip->i_ino);
@@ -663,7 +658,7 @@ xchk_bmap(
}
/* Check the fork values */
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_UUID:
case XFS_DINODE_FMT_DEV:
case XFS_DINODE_FMT_LOCAL:
@@ -717,7 +712,6 @@ xchk_bmap(
goto out;
}
-out_check_rmap:
error = xchk_bmap_check_rmaps(sc, whichfork);
if (!xchk_fblock_xref_process_error(sc, whichfork, 0, &error))
goto out;
diff --git a/fs/xfs/scrub/dabtree.c b/fs/xfs/scrub/dabtree.c
index 9a2e27ac1300..44b15015021f 100644
--- a/fs/xfs/scrub/dabtree.c
+++ b/fs/xfs/scrub/dabtree.c
@@ -468,7 +468,7 @@ xchk_da_btree(
int error;
/* Skip short format data structures; no btree to scan. */
- if (!xfs_ifork_has_extents(sc->ip, whichfork))
+ if (!xfs_ifork_has_extents(XFS_IFORK_PTR(sc->ip, whichfork)))
return 0;
/* Set up initial da state. */
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index fe2a6e030c8a..7c432997edad 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -635,7 +635,7 @@ xchk_directory_blocks(
{
struct xfs_bmbt_irec got;
struct xfs_da_args args;
- struct xfs_ifork *ifp;
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(sc->ip, XFS_DATA_FORK);
struct xfs_mount *mp = sc->mp;
xfs_fileoff_t leaf_lblk;
xfs_fileoff_t free_lblk;
@@ -647,11 +647,10 @@ xchk_directory_blocks(
int error;
/* Ignore local format directories. */
- if (sc->ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS &&
- sc->ip->i_d.di_format != XFS_DINODE_FMT_BTREE)
+ if (ifp->if_format != XFS_DINODE_FMT_EXTENTS &&
+ ifp->if_format != XFS_DINODE_FMT_BTREE)
return 0;
- ifp = XFS_IFORK_PTR(sc->ip, XFS_DATA_FORK);
lblk = XFS_B_TO_FSB(mp, XFS_DIR2_DATA_OFFSET);
leaf_lblk = XFS_B_TO_FSB(mp, XFS_DIR2_LEAF_OFFSET);
free_lblk = XFS_B_TO_FSB(mp, XFS_DIR2_FREE_OFFSET);
diff --git a/fs/xfs/scrub/ialloc.c b/fs/xfs/scrub/ialloc.c
index 64c217eb06a7..6517d67e8d51 100644
--- a/fs/xfs/scrub/ialloc.c
+++ b/fs/xfs/scrub/ialloc.c
@@ -278,8 +278,7 @@ xchk_iallocbt_check_cluster(
&XFS_RMAP_OINFO_INODES);
/* Grab the inode cluster buffer. */
- error = xfs_imap_to_bp(mp, bs->cur->bc_tp, &imap, &dip, &cluster_bp,
- 0, 0);
+ error = xfs_imap_to_bp(mp, bs->cur->bc_tp, &imap, &dip, &cluster_bp, 0);
if (!xchk_btree_xref_process_error(bs->sc, bs->cur, 0, &error))
return error;
diff --git a/fs/xfs/scrub/parent.c b/fs/xfs/scrub/parent.c
index 5705adc43a75..855aa8bcab64 100644
--- a/fs/xfs/scrub/parent.c
+++ b/fs/xfs/scrub/parent.c
@@ -90,7 +90,7 @@ xchk_parent_count_parent_dentries(
* if there is one.
*/
lock_mode = xfs_ilock_data_map_shared(parent);
- if (parent->i_d.di_nextents > 0)
+ if (parent->i_df.if_nextents > 0)
error = xfs_dir3_data_readahead(parent, 0, 0);
xfs_iunlock(parent, lock_mode);
if (error)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 9d9cebf18726..b35611882ff9 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -382,7 +382,7 @@ xfs_map_blocks(
*/
retry:
xfs_ilock(ip, XFS_ILOCK_SHARED);
- ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
+ ASSERT(ip->i_df.if_format != XFS_DINODE_FMT_BTREE ||
(ip->i_df.if_flags & XFS_IFEXTENTS));
/*
@@ -621,14 +621,11 @@ xfs_vm_readpage(
return iomap_readpage(page, &xfs_read_iomap_ops);
}
-STATIC int
-xfs_vm_readpages(
- struct file *unused,
- struct address_space *mapping,
- struct list_head *pages,
- unsigned nr_pages)
+STATIC void
+xfs_vm_readahead(
+ struct readahead_control *rac)
{
- return iomap_readpages(mapping, pages, nr_pages, &xfs_read_iomap_ops);
+ iomap_readahead(rac, &xfs_read_iomap_ops);
}
static int
@@ -644,7 +641,7 @@ xfs_iomap_swapfile_activate(
const struct address_space_operations xfs_address_space_operations = {
.readpage = xfs_vm_readpage,
- .readpages = xfs_vm_readpages,
+ .readahead = xfs_vm_readahead,
.writepage = xfs_vm_writepage,
.writepages = xfs_vm_writepages,
.set_page_dirty = iomap_set_page_dirty,
diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index c42f90e16b4f..bfad669e6b2f 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -367,7 +367,7 @@ xfs_attr_inactive(
* removal below.
*/
if (xfs_inode_hasattr(dp) &&
- dp->i_d.di_aformat != XFS_DINODE_FMT_LOCAL) {
+ dp->i_afp->if_format != XFS_DINODE_FMT_LOCAL) {
error = xfs_attr3_root_inactive(&trans, dp);
if (error)
goto out_cancel;
@@ -388,8 +388,11 @@ out_cancel:
xfs_trans_cancel(trans);
out_destroy_fork:
/* kill the in-core attr fork before we drop the inode lock */
- if (dp->i_afp)
- xfs_idestroy_fork(dp, XFS_ATTR_FORK);
+ if (dp->i_afp) {
+ xfs_idestroy_fork(dp->i_afp);
+ kmem_cache_free(xfs_ifork_zone, dp->i_afp);
+ dp->i_afp = NULL;
+ }
if (lock_mode)
xfs_iunlock(dp, lock_mode);
return error;
diff --git a/fs/xfs/xfs_attr_list.c b/fs/xfs/xfs_attr_list.c
index 5ff1d929d3b5..e380bd1a9bfc 100644
--- a/fs/xfs/xfs_attr_list.c
+++ b/fs/xfs/xfs_attr_list.c
@@ -512,9 +512,9 @@ xfs_attr_list_ilocked(
*/
if (!xfs_inode_hasattr(dp))
return 0;
- else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL)
+ if (dp->i_afp->if_format == XFS_DINODE_FMT_LOCAL)
return xfs_attr_shortform_list(context);
- else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
+ if (xfs_bmap_one_block(dp, XFS_ATTR_FORK))
return xfs_attr_leaf_list(context);
return xfs_attr_node_list(context);
}
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index ee6f4229cebc..6736c5ab188f 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -22,16 +22,20 @@
#include "xfs_bmap_btree.h"
#include "xfs_trans_space.h"
#include "xfs_error.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
kmem_zone_t *xfs_bui_zone;
kmem_zone_t *xfs_bud_zone;
+static const struct xfs_item_ops xfs_bui_item_ops;
+
static inline struct xfs_bui_log_item *BUI_ITEM(struct xfs_log_item *lip)
{
return container_of(lip, struct xfs_bui_log_item, bui_item);
}
-void
+STATIC void
xfs_bui_item_free(
struct xfs_bui_log_item *buip)
{
@@ -45,13 +49,13 @@ xfs_bui_item_free(
* committed vs unpin operations in bulk insert operations. Hence the reference
* count to ensure only the last caller frees the BUI.
*/
-void
+STATIC void
xfs_bui_release(
struct xfs_bui_log_item *buip)
{
ASSERT(atomic_read(&buip->bui_refcount) > 0);
if (atomic_dec_and_test(&buip->bui_refcount)) {
- xfs_trans_ail_remove(&buip->bui_item, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(&buip->bui_item, SHUTDOWN_LOG_IO_ERROR);
xfs_bui_item_free(buip);
}
}
@@ -124,17 +128,10 @@ xfs_bui_item_release(
xfs_bui_release(BUI_ITEM(lip));
}
-static const struct xfs_item_ops xfs_bui_item_ops = {
- .iop_size = xfs_bui_item_size,
- .iop_format = xfs_bui_item_format,
- .iop_unpin = xfs_bui_item_unpin,
- .iop_release = xfs_bui_item_release,
-};
-
/*
* Allocate and initialize an bui item with the given number of extents.
*/
-struct xfs_bui_log_item *
+STATIC struct xfs_bui_log_item *
xfs_bui_init(
struct xfs_mount *mp)
@@ -278,27 +275,6 @@ xfs_bmap_update_diff_items(
return ba->bi_owner->i_ino - bb->bi_owner->i_ino;
}
-/* Get an BUI. */
-STATIC void *
-xfs_bmap_update_create_intent(
- struct xfs_trans *tp,
- unsigned int count)
-{
- struct xfs_bui_log_item *buip;
-
- ASSERT(count == XFS_BUI_MAX_FAST_EXTENTS);
- ASSERT(tp != NULL);
-
- buip = xfs_bui_init(tp->t_mountp);
- ASSERT(buip != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &buip->bui_item);
- return buip;
-}
-
/* Set the map extent flags for this mapping. */
static void
xfs_trans_set_bmap_flags(
@@ -326,16 +302,12 @@ xfs_trans_set_bmap_flags(
STATIC void
xfs_bmap_update_log_item(
struct xfs_trans *tp,
- void *intent,
- struct list_head *item)
+ struct xfs_bui_log_item *buip,
+ struct xfs_bmap_intent *bmap)
{
- struct xfs_bui_log_item *buip = intent;
- struct xfs_bmap_intent *bmap;
uint next_extent;
struct xfs_map_extent *map;
- bmap = container_of(item, struct xfs_bmap_intent, bi_list);
-
tp->t_flags |= XFS_TRANS_DIRTY;
set_bit(XFS_LI_DIRTY, &buip->bui_item.li_flags);
@@ -355,23 +327,44 @@ xfs_bmap_update_log_item(
bmap->bi_bmap.br_state);
}
+static struct xfs_log_item *
+xfs_bmap_update_create_intent(
+ struct xfs_trans *tp,
+ struct list_head *items,
+ unsigned int count,
+ bool sort)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_bui_log_item *buip = xfs_bui_init(mp);
+ struct xfs_bmap_intent *bmap;
+
+ ASSERT(count == XFS_BUI_MAX_FAST_EXTENTS);
+
+ xfs_trans_add_item(tp, &buip->bui_item);
+ if (sort)
+ list_sort(mp, items, xfs_bmap_update_diff_items);
+ list_for_each_entry(bmap, items, bi_list)
+ xfs_bmap_update_log_item(tp, buip, bmap);
+ return &buip->bui_item;
+}
+
/* Get an BUD so we can process all the deferred rmap updates. */
-STATIC void *
+static struct xfs_log_item *
xfs_bmap_update_create_done(
struct xfs_trans *tp,
- void *intent,
+ struct xfs_log_item *intent,
unsigned int count)
{
- return xfs_trans_get_bud(tp, intent);
+ return &xfs_trans_get_bud(tp, BUI_ITEM(intent))->bud_item;
}
/* Process a deferred rmap update. */
STATIC int
xfs_bmap_update_finish_item(
struct xfs_trans *tp,
+ struct xfs_log_item *done,
struct list_head *item,
- void *done_item,
- void **state)
+ struct xfs_btree_cur **state)
{
struct xfs_bmap_intent *bmap;
xfs_filblks_t count;
@@ -379,7 +372,7 @@ xfs_bmap_update_finish_item(
bmap = container_of(item, struct xfs_bmap_intent, bi_list);
count = bmap->bi_bmap.br_blockcount;
- error = xfs_trans_log_finish_bmap_update(tp, done_item,
+ error = xfs_trans_log_finish_bmap_update(tp, BUD_ITEM(done),
bmap->bi_type,
bmap->bi_owner, bmap->bi_whichfork,
bmap->bi_bmap.br_startoff,
@@ -398,9 +391,9 @@ xfs_bmap_update_finish_item(
/* Abort all pending BUIs. */
STATIC void
xfs_bmap_update_abort_intent(
- void *intent)
+ struct xfs_log_item *intent)
{
- xfs_bui_release(intent);
+ xfs_bui_release(BUI_ITEM(intent));
}
/* Cancel a deferred rmap update. */
@@ -416,10 +409,8 @@ xfs_bmap_update_cancel_item(
const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
.max_items = XFS_BUI_MAX_FAST_EXTENTS,
- .diff_items = xfs_bmap_update_diff_items,
.create_intent = xfs_bmap_update_create_intent,
.abort_intent = xfs_bmap_update_abort_intent,
- .log_item = xfs_bmap_update_log_item,
.create_done = xfs_bmap_update_create_done,
.finish_item = xfs_bmap_update_finish_item,
.cancel_item = xfs_bmap_update_cancel_item,
@@ -429,32 +420,30 @@ const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
* Process a bmap update intent item that was recovered from the log.
* We need to update some inode's bmbt.
*/
-int
-xfs_bui_recover(
- struct xfs_trans *parent_tp,
- struct xfs_bui_log_item *buip)
+STATIC int
+xfs_bui_item_recover(
+ struct xfs_log_item *lip,
+ struct xfs_trans *parent_tp)
{
- int error = 0;
- unsigned int bui_type;
+ struct xfs_bmbt_irec irec;
+ struct xfs_bui_log_item *buip = BUI_ITEM(lip);
+ struct xfs_trans *tp;
+ struct xfs_inode *ip = NULL;
+ struct xfs_mount *mp = parent_tp->t_mountp;
struct xfs_map_extent *bmap;
+ struct xfs_bud_log_item *budp;
xfs_fsblock_t startblock_fsb;
xfs_fsblock_t inode_fsb;
xfs_filblks_t count;
- bool op_ok;
- struct xfs_bud_log_item *budp;
+ xfs_exntst_t state;
enum xfs_bmap_intent_type type;
+ bool op_ok;
+ unsigned int bui_type;
int whichfork;
- xfs_exntst_t state;
- struct xfs_trans *tp;
- struct xfs_inode *ip = NULL;
- struct xfs_bmbt_irec irec;
- struct xfs_mount *mp = parent_tp->t_mountp;
-
- ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags));
+ int error = 0;
/* Only one mapping operation per BUI... */
if (buip->bui_format.bui_nextents != XFS_BUI_MAX_FAST_EXTENTS) {
- set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
xfs_bui_release(buip);
return -EFSCORRUPTED;
}
@@ -488,7 +477,6 @@ xfs_bui_recover(
* This will pull the BUI from the AIL and
* free the memory associated with it.
*/
- set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
xfs_bui_release(buip);
return -EFSCORRUPTED;
}
@@ -546,7 +534,6 @@ xfs_bui_recover(
xfs_bmap_unmap_extent(tp, ip, &irec);
}
- set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
xfs_defer_move(parent_tp, tp);
error = xfs_trans_commit(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
@@ -563,3 +550,121 @@ err_inode:
}
return error;
}
+
+STATIC bool
+xfs_bui_item_match(
+ struct xfs_log_item *lip,
+ uint64_t intent_id)
+{
+ return BUI_ITEM(lip)->bui_format.bui_id == intent_id;
+}
+
+static const struct xfs_item_ops xfs_bui_item_ops = {
+ .iop_size = xfs_bui_item_size,
+ .iop_format = xfs_bui_item_format,
+ .iop_unpin = xfs_bui_item_unpin,
+ .iop_release = xfs_bui_item_release,
+ .iop_recover = xfs_bui_item_recover,
+ .iop_match = xfs_bui_item_match,
+};
+
+/*
+ * Copy an BUI format buffer from the given buf, and into the destination
+ * BUI format structure. The BUI/BUD items were designed not to need any
+ * special alignment handling.
+ */
+static int
+xfs_bui_copy_format(
+ struct xfs_log_iovec *buf,
+ struct xfs_bui_log_format *dst_bui_fmt)
+{
+ struct xfs_bui_log_format *src_bui_fmt;
+ uint len;
+
+ src_bui_fmt = buf->i_addr;
+ len = xfs_bui_log_format_sizeof(src_bui_fmt->bui_nextents);
+
+ if (buf->i_len == len) {
+ memcpy(dst_bui_fmt, src_bui_fmt, len);
+ return 0;
+ }
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
+ return -EFSCORRUPTED;
+}
+
+/*
+ * This routine is called to create an in-core extent bmap update
+ * item from the bui format structure which was logged on disk.
+ * It allocates an in-core bui, copies the extents from the format
+ * structure into it, and adds the bui to the AIL with the given
+ * LSN.
+ */
+STATIC int
+xlog_recover_bui_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ int error;
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_bui_log_item *buip;
+ struct xfs_bui_log_format *bui_formatp;
+
+ bui_formatp = item->ri_buf[0].i_addr;
+
+ if (bui_formatp->bui_nextents != XFS_BUI_MAX_FAST_EXTENTS) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
+ return -EFSCORRUPTED;
+ }
+ buip = xfs_bui_init(mp);
+ error = xfs_bui_copy_format(&item->ri_buf[0], &buip->bui_format);
+ if (error) {
+ xfs_bui_item_free(buip);
+ return error;
+ }
+ atomic_set(&buip->bui_next_extent, bui_formatp->bui_nextents);
+ /*
+ * Insert the intent into the AIL directly and drop one reference so
+ * that finishing or canceling the work will drop the other.
+ */
+ xfs_trans_ail_insert(log->l_ailp, &buip->bui_item, lsn);
+ xfs_bui_release(buip);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_bui_item_ops = {
+ .item_type = XFS_LI_BUI,
+ .commit_pass2 = xlog_recover_bui_commit_pass2,
+};
+
+/*
+ * This routine is called when an BUD format structure is found in a committed
+ * transaction in the log. Its purpose is to cancel the corresponding BUI if it
+ * was still in the log. To do this it searches the AIL for the BUI with an id
+ * equal to that in the BUD format structure. If we find it we drop the BUD
+ * reference, which removes the BUI from the AIL and frees it.
+ */
+STATIC int
+xlog_recover_bud_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_bud_log_format *bud_formatp;
+
+ bud_formatp = item->ri_buf[0].i_addr;
+ if (item->ri_buf[0].i_len != sizeof(struct xfs_bud_log_format)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
+ return -EFSCORRUPTED;
+ }
+
+ xlog_recover_release_intent(log, XFS_LI_BUI, bud_formatp->bud_bui_id);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_bud_item_ops = {
+ .item_type = XFS_LI_BUD,
+ .commit_pass2 = xlog_recover_bud_commit_pass2,
+};
diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h
index ad479cc73de8..b9be62f8bd52 100644
--- a/fs/xfs/xfs_bmap_item.h
+++ b/fs/xfs/xfs_bmap_item.h
@@ -33,11 +33,6 @@ struct kmem_zone;
#define XFS_BUI_MAX_FAST_EXTENTS 1
/*
- * Define BUI flag bits. Manipulated by set/clear/test_bit operators.
- */
-#define XFS_BUI_RECOVERED 1
-
-/*
* This is the "bmap update intent" log item. It is used to log the fact that
* some reverse mappings need to change. It is used in conjunction with the
* "bmap update done" log item described below.
@@ -49,7 +44,6 @@ struct xfs_bui_log_item {
struct xfs_log_item bui_item;
atomic_t bui_refcount;
atomic_t bui_next_extent;
- unsigned long bui_flags; /* misc flags */
struct xfs_bui_log_format bui_format;
};
@@ -74,9 +68,4 @@ struct xfs_bud_log_item {
extern struct kmem_zone *xfs_bui_zone;
extern struct kmem_zone *xfs_bud_zone;
-struct xfs_bui_log_item *xfs_bui_init(struct xfs_mount *);
-void xfs_bui_item_free(struct xfs_bui_log_item *);
-void xfs_bui_release(struct xfs_bui_log_item *);
-int xfs_bui_recover(struct xfs_trans *parent_tp, struct xfs_bui_log_item *buip);
-
#endif /* __XFS_BMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index 4f800f7fe888..f37f5cc4b19f 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c
@@ -223,7 +223,7 @@ xfs_bmap_count_blocks(
if (!ifp)
return 0;
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_BTREE:
if (!(ifp->if_flags & XFS_IFEXTENTS)) {
error = xfs_iread_extents(tp, ip, whichfork);
@@ -449,7 +449,7 @@ xfs_getbmap(
break;
}
- switch (XFS_IFORK_FORMAT(ip, whichfork)) {
+ switch (ifp->if_format) {
case XFS_DINODE_FMT_EXTENTS:
case XFS_DINODE_FMT_BTREE:
break;
@@ -1210,17 +1210,26 @@ xfs_swap_extents_check_format(
struct xfs_inode *ip, /* target inode */
struct xfs_inode *tip) /* tmp inode */
{
+ struct xfs_ifork *ifp = &ip->i_df;
+ struct xfs_ifork *tifp = &tip->i_df;
+
+ /* User/group/project quota ids must match if quotas are enforced. */
+ if (XFS_IS_QUOTA_ON(ip->i_mount) &&
+ (!uid_eq(VFS_I(ip)->i_uid, VFS_I(tip)->i_uid) ||
+ !gid_eq(VFS_I(ip)->i_gid, VFS_I(tip)->i_gid) ||
+ ip->i_d.di_projid != tip->i_d.di_projid))
+ return -EINVAL;
/* Should never get a local format */
- if (ip->i_d.di_format == XFS_DINODE_FMT_LOCAL ||
- tip->i_d.di_format == XFS_DINODE_FMT_LOCAL)
+ if (ifp->if_format == XFS_DINODE_FMT_LOCAL ||
+ tifp->if_format == XFS_DINODE_FMT_LOCAL)
return -EINVAL;
/*
* if the target inode has less extents that then temporary inode then
* why did userspace call us?
*/
- if (ip->i_d.di_nextents < tip->i_d.di_nextents)
+ if (ifp->if_nextents < tifp->if_nextents)
return -EINVAL;
/*
@@ -1235,20 +1244,18 @@ xfs_swap_extents_check_format(
* form then we will end up with the target inode in the wrong format
* as we already know there are less extents in the temp inode.
*/
- if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
- tip->i_d.di_format == XFS_DINODE_FMT_BTREE)
+ if (ifp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ tifp->if_format == XFS_DINODE_FMT_BTREE)
return -EINVAL;
/* Check temp in extent form to max in target */
- if (tip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
- XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) >
- XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
+ if (tifp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ tifp->if_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
return -EINVAL;
/* Check target in extent form to max in temp */
- if (ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS &&
- XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) >
- XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
+ if (ifp->if_format == XFS_DINODE_FMT_EXTENTS &&
+ ifp->if_nextents > XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
return -EINVAL;
/*
@@ -1260,22 +1267,20 @@ xfs_swap_extents_check_format(
* (a common defrag case) which will occur when the temp inode is in
* extent format...
*/
- if (tip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
+ if (tifp->if_format == XFS_DINODE_FMT_BTREE) {
if (XFS_IFORK_Q(ip) &&
- XFS_BMAP_BMDR_SPACE(tip->i_df.if_broot) > XFS_IFORK_BOFF(ip))
+ XFS_BMAP_BMDR_SPACE(tifp->if_broot) > XFS_IFORK_BOFF(ip))
return -EINVAL;
- if (XFS_IFORK_NEXTENTS(tip, XFS_DATA_FORK) <=
- XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
+ if (tifp->if_nextents <= XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK))
return -EINVAL;
}
/* Reciprocal target->temp btree format checks */
- if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE) {
+ if (ifp->if_format == XFS_DINODE_FMT_BTREE) {
if (XFS_IFORK_Q(tip) &&
XFS_BMAP_BMDR_SPACE(ip->i_df.if_broot) > XFS_IFORK_BOFF(tip))
return -EINVAL;
- if (XFS_IFORK_NEXTENTS(ip, XFS_DATA_FORK) <=
- XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
+ if (ifp->if_nextents <= XFS_IFORK_MAXEXT(tip, XFS_DATA_FORK))
return -EINVAL;
}
@@ -1427,15 +1432,15 @@ xfs_swap_extent_forks(
/*
* Count the number of extended attribute blocks
*/
- if ( ((XFS_IFORK_Q(ip) != 0) && (ip->i_d.di_anextents > 0)) &&
- (ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL)) {
+ if (XFS_IFORK_Q(ip) && ip->i_afp->if_nextents > 0 &&
+ ip->i_afp->if_format != XFS_DINODE_FMT_LOCAL) {
error = xfs_bmap_count_blocks(tp, ip, XFS_ATTR_FORK, &junk,
&aforkblks);
if (error)
return error;
}
- if ( ((XFS_IFORK_Q(tip) != 0) && (tip->i_d.di_anextents > 0)) &&
- (tip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL)) {
+ if (XFS_IFORK_Q(tip) && tip->i_afp->if_nextents > 0 &&
+ tip->i_afp->if_format != XFS_DINODE_FMT_LOCAL) {
error = xfs_bmap_count_blocks(tp, tip, XFS_ATTR_FORK, &junk,
&taforkblks);
if (error)
@@ -1450,9 +1455,9 @@ xfs_swap_extent_forks(
* bmbt scan as the last step.
*/
if (xfs_sb_version_has_v3inode(&ip->i_mount->m_sb)) {
- if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE)
+ if (ip->i_df.if_format == XFS_DINODE_FMT_BTREE)
(*target_log_flags) |= XFS_ILOG_DOWNER;
- if (tip->i_d.di_format == XFS_DINODE_FMT_BTREE)
+ if (tip->i_df.if_format == XFS_DINODE_FMT_BTREE)
(*src_log_flags) |= XFS_ILOG_DOWNER;
}
@@ -1468,9 +1473,6 @@ xfs_swap_extent_forks(
ip->i_d.di_nblocks = tip->i_d.di_nblocks - taforkblks + aforkblks;
tip->i_d.di_nblocks = tmp + taforkblks - aforkblks;
- swap(ip->i_d.di_nextents, tip->i_d.di_nextents);
- swap(ip->i_d.di_format, tip->i_d.di_format);
-
/*
* The extents in the source inode could still contain speculative
* preallocation beyond EOF (e.g. the file is open but not modified
@@ -1484,7 +1486,7 @@ xfs_swap_extent_forks(
tip->i_delayed_blks = ip->i_delayed_blks;
ip->i_delayed_blks = 0;
- switch (ip->i_d.di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
(*src_log_flags) |= XFS_ILOG_DEXT;
break;
@@ -1495,7 +1497,7 @@ xfs_swap_extent_forks(
break;
}
- switch (tip->i_d.di_format) {
+ switch (tip->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
(*target_log_flags) |= XFS_ILOG_DEXT;
break;
@@ -1606,7 +1608,7 @@ xfs_swap_extents(
if (xfs_inode_has_cow_data(tip)) {
error = xfs_reflink_cancel_cow_range(tip, 0, NULLFILEOFF, true);
if (error)
- return error;
+ goto out_unlock;
}
/*
@@ -1615,9 +1617,9 @@ xfs_swap_extents(
* performed with log redo items!
*/
if (xfs_sb_version_hasrmapbt(&mp->m_sb)) {
- int w = XFS_DATA_FORK;
- uint32_t ipnext = XFS_IFORK_NEXTENTS(ip, w);
- uint32_t tipnext = XFS_IFORK_NEXTENTS(tip, w);
+ int w = XFS_DATA_FORK;
+ uint32_t ipnext = ip->i_df.if_nextents;
+ uint32_t tipnext = tip->i_df.if_nextents;
/*
* Conceptually this shouldn't affect the shape of either bmbt,
@@ -1717,10 +1719,11 @@ xfs_swap_extents(
/* Swap the cow forks. */
if (xfs_sb_version_hasreflink(&mp->m_sb)) {
- ASSERT(ip->i_cformat == XFS_DINODE_FMT_EXTENTS);
- ASSERT(tip->i_cformat == XFS_DINODE_FMT_EXTENTS);
+ ASSERT(!ip->i_cowfp ||
+ ip->i_cowfp->if_format == XFS_DINODE_FMT_EXTENTS);
+ ASSERT(!tip->i_cowfp ||
+ tip->i_cowfp->if_format == XFS_DINODE_FMT_EXTENTS);
- swap(ip->i_cnextents, tip->i_cnextents);
swap(ip->i_cowfp, tip->i_cowfp);
if (ip->i_cowfp && ip->i_cowfp->if_bytes)
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 9ec3eaf1c618..20b748f7e186 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -477,7 +477,7 @@ _xfs_buf_map_pages(
nofs_flag = memalloc_nofs_save();
do {
bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count,
- -1, PAGE_KERNEL);
+ -1);
if (bp->b_addr)
break;
vm_unmap_aliases();
@@ -1197,8 +1197,10 @@ xfs_buf_ioend(
bp->b_ops->verify_read(bp);
}
- if (!bp->b_error)
+ if (!bp->b_error) {
+ bp->b_flags &= ~XBF_WRITE_FAIL;
bp->b_flags |= XBF_DONE;
+ }
if (bp->b_iodone)
(*(bp->b_iodone))(bp);
@@ -1242,10 +1244,26 @@ xfs_buf_ioerror_alert(
struct xfs_buf *bp,
xfs_failaddr_t func)
{
- xfs_alert_ratelimited(bp->b_mount,
-"metadata I/O error in \"%pS\" at daddr 0x%llx len %d error %d",
- func, (uint64_t)XFS_BUF_ADDR(bp), bp->b_length,
- -bp->b_error);
+ xfs_buf_alert_ratelimited(bp, "XFS: metadata IO error",
+ "metadata I/O error in \"%pS\" at daddr 0x%llx len %d error %d",
+ func, (uint64_t)XFS_BUF_ADDR(bp),
+ bp->b_length, -bp->b_error);
+}
+
+/*
+ * To simulate an I/O failure, the buffer must be locked and held with at least
+ * three references. The LRU reference is dropped by the stale call. The buf
+ * item reference is dropped via ioend processing. The third reference is owned
+ * by the caller and is dropped on I/O completion if the buffer is XBF_ASYNC.
+ */
+void
+xfs_buf_ioend_fail(
+ struct xfs_buf *bp)
+{
+ bp->b_flags &= ~XBF_DONE;
+ xfs_buf_stale(bp);
+ xfs_buf_ioerror(bp, -EIO);
+ xfs_buf_ioend(bp);
}
int
@@ -1258,7 +1276,7 @@ xfs_bwrite(
bp->b_flags |= XBF_WRITE;
bp->b_flags &= ~(XBF_ASYNC | XBF_READ | _XBF_DELWRI_Q |
- XBF_WRITE_FAIL | XBF_DONE);
+ XBF_DONE);
error = xfs_buf_submit(bp);
if (error)
@@ -1272,6 +1290,11 @@ xfs_buf_bio_end_io(
{
struct xfs_buf *bp = (struct xfs_buf *)bio->bi_private;
+ if (!bio->bi_status &&
+ (bp->b_flags & XBF_WRITE) && (bp->b_flags & XBF_ASYNC) &&
+ XFS_TEST_ERROR(false, bp->b_mount, XFS_ERRTAG_BUF_IOERROR))
+ bio->bi_status = BLK_STS_IOERR;
+
/*
* don't overwrite existing errors - otherwise we can lose errors on
* buffers that require multiple bios to complete.
@@ -1480,10 +1503,7 @@ __xfs_buf_submit(
/* on shutdown we stale and complete the buffer immediately */
if (XFS_FORCED_SHUTDOWN(bp->b_mount)) {
- xfs_buf_ioerror(bp, -EIO);
- bp->b_flags &= ~XBF_DONE;
- xfs_buf_stale(bp);
- xfs_buf_ioend(bp);
+ xfs_buf_ioend_fail(bp);
return -EIO;
}
@@ -1642,7 +1662,8 @@ xfs_wait_buftarg(
struct xfs_buftarg *btp)
{
LIST_HEAD(dispose);
- int loop = 0;
+ int loop = 0;
+ bool write_fail = false;
/*
* First wait on the buftarg I/O count for all in-flight buffers to be
@@ -1670,17 +1691,29 @@ xfs_wait_buftarg(
bp = list_first_entry(&dispose, struct xfs_buf, b_lru);
list_del_init(&bp->b_lru);
if (bp->b_flags & XBF_WRITE_FAIL) {
- xfs_alert(btp->bt_mount,
+ write_fail = true;
+ xfs_buf_alert_ratelimited(bp,
+ "XFS: Corruption Alert",
"Corruption Alert: Buffer at daddr 0x%llx had permanent write failures!",
(long long)bp->b_bn);
- xfs_alert(btp->bt_mount,
-"Please run xfs_repair to determine the extent of the problem.");
}
xfs_buf_rele(bp);
}
if (loop++ != 0)
delay(100);
}
+
+ /*
+ * If one or more failed buffers were freed, that means dirty metadata
+ * was thrown away. This should only ever happen after I/O completion
+ * handling has elevated I/O error(s) to permanent failures and shuts
+ * down the fs.
+ */
+ if (write_fail) {
+ ASSERT(XFS_FORCED_SHUTDOWN(btp->bt_mount));
+ xfs_alert(btp->bt_mount,
+ "Please run xfs_repair to determine the extent of the problem.");
+ }
}
static enum lru_status
@@ -1813,6 +1846,13 @@ xfs_alloc_buftarg(
btp->bt_bdev = bdev;
btp->bt_daxdev = dax_dev;
+ /*
+ * Buffer IO error rate limiting. Limit it to no more than 10 messages
+ * per 30 seconds so as to not spam logs too much on repeated errors.
+ */
+ ratelimit_state_init(&btp->bt_ioerror_rl, 30 * HZ,
+ DEFAULT_RATELIMIT_BURST);
+
if (xfs_setsize_buftarg_early(btp, bdev))
goto error_free;
@@ -1983,7 +2023,7 @@ xfs_buf_delwri_submit_buffers(
* synchronously. Otherwise, drop the buffer from the delwri
* queue and submit async.
*/
- bp->b_flags &= ~(_XBF_DELWRI_Q | XBF_WRITE_FAIL);
+ bp->b_flags &= ~_XBF_DELWRI_Q;
bp->b_flags |= XBF_WRITE;
if (wait_list) {
bp->b_flags &= ~XBF_ASYNC;
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h
index 9a04c53c2488..050c53b739e2 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -91,6 +91,7 @@ typedef struct xfs_buftarg {
struct list_lru bt_lru;
struct percpu_counter bt_io_count;
+ struct ratelimit_state bt_ioerror_rl;
} xfs_buftarg_t;
struct xfs_buf;
@@ -263,6 +264,7 @@ extern void __xfs_buf_ioerror(struct xfs_buf *bp, int error,
xfs_failaddr_t failaddr);
#define xfs_buf_ioerror(bp, err) __xfs_buf_ioerror((bp), (err), __this_address)
extern void xfs_buf_ioerror_alert(struct xfs_buf *bp, xfs_failaddr_t fa);
+void xfs_buf_ioend_fail(struct xfs_buf *);
extern int __xfs_buf_submit(struct xfs_buf *bp, bool);
static inline int xfs_buf_submit(struct xfs_buf *bp)
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 1545657c3ca0..9e75e8d6042e 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -410,7 +410,6 @@ xfs_buf_item_unpin(
{
struct xfs_buf_log_item *bip = BUF_ITEM(lip);
xfs_buf_t *bp = bip->bli_buf;
- struct xfs_ail *ailp = lip->li_ailp;
int stale = bip->bli_flags & XFS_BLI_STALE;
int freed;
@@ -452,10 +451,10 @@ xfs_buf_item_unpin(
}
/*
- * If we get called here because of an IO error, we may
- * or may not have the item on the AIL. xfs_trans_ail_delete()
- * will take care of that situation.
- * xfs_trans_ail_delete() drops the AIL lock.
+ * If we get called here because of an IO error, we may or may
+ * not have the item on the AIL. xfs_trans_ail_delete() will
+ * take care of that situation. xfs_trans_ail_delete() drops
+ * the AIL lock.
*/
if (bip->bli_flags & XFS_BLI_STALE_INODE) {
xfs_buf_do_callbacks(bp);
@@ -463,47 +462,23 @@ xfs_buf_item_unpin(
list_del_init(&bp->b_li_list);
bp->b_iodone = NULL;
} else {
- spin_lock(&ailp->ail_lock);
- xfs_trans_ail_delete(ailp, lip, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(lip, SHUTDOWN_LOG_IO_ERROR);
xfs_buf_item_relse(bp);
ASSERT(bp->b_log_item == NULL);
}
xfs_buf_relse(bp);
} else if (freed && remove) {
/*
- * There are currently two references to the buffer - the active
- * LRU reference and the buf log item. What we are about to do
- * here - simulate a failed IO completion - requires 3
- * references.
- *
- * The LRU reference is removed by the xfs_buf_stale() call. The
- * buf item reference is removed by the xfs_buf_iodone()
- * callback that is run by xfs_buf_do_callbacks() during ioend
- * processing (via the bp->b_iodone callback), and then finally
- * the ioend processing will drop the IO reference if the buffer
- * is marked XBF_ASYNC.
- *
- * Hence we need to take an additional reference here so that IO
- * completion processing doesn't free the buffer prematurely.
+ * The buffer must be locked and held by the caller to simulate
+ * an async I/O failure.
*/
xfs_buf_lock(bp);
xfs_buf_hold(bp);
bp->b_flags |= XBF_ASYNC;
- xfs_buf_ioerror(bp, -EIO);
- bp->b_flags &= ~XBF_DONE;
- xfs_buf_stale(bp);
- xfs_buf_ioend(bp);
+ xfs_buf_ioend_fail(bp);
}
}
-/*
- * Buffer IO error rate limiting. Limit it to no more than 10 messages per 30
- * seconds so as to not spam logs too much on repeated detection of the same
- * buffer being bad..
- */
-
-static DEFINE_RATELIMIT_STATE(xfs_buf_write_fail_rl_state, 30 * HZ, 10);
-
STATIC uint
xfs_buf_item_push(
struct xfs_log_item *lip,
@@ -533,11 +508,10 @@ xfs_buf_item_push(
trace_xfs_buf_item_push(bip);
/* has a previous flush failed due to IO errors? */
- if ((bp->b_flags & XBF_WRITE_FAIL) &&
- ___ratelimit(&xfs_buf_write_fail_rl_state, "XFS: Failing async write")) {
- xfs_warn(bp->b_mount,
-"Failing async write on buffer block 0x%llx. Retrying async write.",
- (long long)bp->b_bn);
+ if (bp->b_flags & XBF_WRITE_FAIL) {
+ xfs_buf_alert_ratelimited(bp, "XFS: Failing async write",
+ "Failing async write on buffer block 0x%llx. Retrying async write.",
+ (long long)bp->b_bn);
}
if (!xfs_buf_delwri_queue(bp, buffer_list))
@@ -584,7 +558,7 @@ xfs_buf_item_put(
* state.
*/
if (aborted)
- xfs_trans_ail_remove(lip, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(lip, 0);
xfs_buf_item_relse(bip->bli_buf);
return true;
}
@@ -1229,61 +1203,19 @@ xfs_buf_iodone(
struct xfs_buf *bp,
struct xfs_log_item *lip)
{
- struct xfs_ail *ailp = lip->li_ailp;
-
ASSERT(BUF_ITEM(lip)->bli_buf == bp);
xfs_buf_rele(bp);
/*
- * If we are forcibly shutting down, this may well be
- * off the AIL already. That's because we simulate the
- * log-committed callbacks to unpin these buffers. Or we may never
- * have put this item on AIL because of the transaction was
- * aborted forcibly. xfs_trans_ail_delete() takes care of these.
+ * If we are forcibly shutting down, this may well be off the AIL
+ * already. That's because we simulate the log-committed callbacks to
+ * unpin these buffers. Or we may never have put this item on AIL
+ * because of the transaction was aborted forcibly.
+ * xfs_trans_ail_delete() takes care of these.
*
* Either way, AIL is useless if we're forcing a shutdown.
*/
- spin_lock(&ailp->ail_lock);
- xfs_trans_ail_delete(ailp, lip, SHUTDOWN_CORRUPT_INCORE);
+ xfs_trans_ail_delete(lip, SHUTDOWN_CORRUPT_INCORE);
xfs_buf_item_free(BUF_ITEM(lip));
}
-
-/*
- * Requeue a failed buffer for writeback.
- *
- * We clear the log item failed state here as well, but we have to be careful
- * about reference counts because the only active reference counts on the buffer
- * may be the failed log items. Hence if we clear the log item failed state
- * before queuing the buffer for IO we can release all active references to
- * the buffer and free it, leading to use after free problems in
- * xfs_buf_delwri_queue. It makes no difference to the buffer or log items which
- * order we process them in - the buffer is locked, and we own the buffer list
- * so nothing on them is going to change while we are performing this action.
- *
- * Hence we can safely queue the buffer for IO before we clear the failed log
- * item state, therefore always having an active reference to the buffer and
- * avoiding the transient zero-reference state that leads to use-after-free.
- *
- * Return true if the buffer was added to the buffer list, false if it was
- * already on the buffer list.
- */
-bool
-xfs_buf_resubmit_failed_buffers(
- struct xfs_buf *bp,
- struct list_head *buffer_list)
-{
- struct xfs_log_item *lip;
- bool ret;
-
- ret = xfs_buf_delwri_queue(bp, buffer_list);
-
- /*
- * XFS_LI_FAILED set/clear is protected by ail_lock, caller of this
- * function already have it acquired
- */
- list_for_each_entry(lip, &bp->b_li_list, li_bio_list)
- xfs_clear_li_failed(lip);
-
- return ret;
-}
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 30114b510332..c9c57e2da932 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -59,8 +59,6 @@ void xfs_buf_attach_iodone(struct xfs_buf *,
struct xfs_log_item *);
void xfs_buf_iodone_callbacks(struct xfs_buf *);
void xfs_buf_iodone(struct xfs_buf *, struct xfs_log_item *);
-bool xfs_buf_resubmit_failed_buffers(struct xfs_buf *,
- struct list_head *);
bool xfs_buf_log_check_iovec(struct xfs_log_iovec *iovec);
extern kmem_zone_t *xfs_buf_item_zone;
diff --git a/fs/xfs/xfs_buf_item_recover.c b/fs/xfs/xfs_buf_item_recover.c
new file mode 100644
index 000000000000..04faa7310c4f
--- /dev/null
+++ b/fs/xfs/xfs_buf_item_recover.c
@@ -0,0 +1,984 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_bit.h"
+#include "xfs_mount.h"
+#include "xfs_trans.h"
+#include "xfs_buf_item.h"
+#include "xfs_trans_priv.h"
+#include "xfs_trace.h"
+#include "xfs_log.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
+#include "xfs_error.h"
+#include "xfs_inode.h"
+#include "xfs_dir2.h"
+#include "xfs_quota.h"
+
+/*
+ * This structure is used during recovery to record the buf log items which
+ * have been canceled and should not be replayed.
+ */
+struct xfs_buf_cancel {
+ xfs_daddr_t bc_blkno;
+ uint bc_len;
+ int bc_refcount;
+ struct list_head bc_list;
+};
+
+static struct xfs_buf_cancel *
+xlog_find_buffer_cancelled(
+ struct xlog *log,
+ xfs_daddr_t blkno,
+ uint len)
+{
+ struct list_head *bucket;
+ struct xfs_buf_cancel *bcp;
+
+ if (!log->l_buf_cancel_table)
+ return NULL;
+
+ bucket = XLOG_BUF_CANCEL_BUCKET(log, blkno);
+ list_for_each_entry(bcp, bucket, bc_list) {
+ if (bcp->bc_blkno == blkno && bcp->bc_len == len)
+ return bcp;
+ }
+
+ return NULL;
+}
+
+static bool
+xlog_add_buffer_cancelled(
+ struct xlog *log,
+ xfs_daddr_t blkno,
+ uint len)
+{
+ struct xfs_buf_cancel *bcp;
+
+ /*
+ * If we find an existing cancel record, this indicates that the buffer
+ * was cancelled multiple times. To ensure that during pass 2 we keep
+ * the record in the table until we reach its last occurrence in the
+ * log, a reference count is kept to tell how many times we expect to
+ * see this record during the second pass.
+ */
+ bcp = xlog_find_buffer_cancelled(log, blkno, len);
+ if (bcp) {
+ bcp->bc_refcount++;
+ return false;
+ }
+
+ bcp = kmem_alloc(sizeof(struct xfs_buf_cancel), 0);
+ bcp->bc_blkno = blkno;
+ bcp->bc_len = len;
+ bcp->bc_refcount = 1;
+ list_add_tail(&bcp->bc_list, XLOG_BUF_CANCEL_BUCKET(log, blkno));
+ return true;
+}
+
+/*
+ * Check if there is and entry for blkno, len in the buffer cancel record table.
+ */
+bool
+xlog_is_buffer_cancelled(
+ struct xlog *log,
+ xfs_daddr_t blkno,
+ uint len)
+{
+ return xlog_find_buffer_cancelled(log, blkno, len) != NULL;
+}
+
+/*
+ * Check if there is and entry for blkno, len in the buffer cancel record table,
+ * and decremented the reference count on it if there is one.
+ *
+ * Remove the cancel record once the refcount hits zero, so that if the same
+ * buffer is re-used again after its last cancellation we actually replay the
+ * changes made at that point.
+ */
+static bool
+xlog_put_buffer_cancelled(
+ struct xlog *log,
+ xfs_daddr_t blkno,
+ uint len)
+{
+ struct xfs_buf_cancel *bcp;
+
+ bcp = xlog_find_buffer_cancelled(log, blkno, len);
+ if (!bcp) {
+ ASSERT(0);
+ return false;
+ }
+
+ if (--bcp->bc_refcount == 0) {
+ list_del(&bcp->bc_list);
+ kmem_free(bcp);
+ }
+ return true;
+}
+
+/* log buffer item recovery */
+
+/*
+ * Sort buffer items for log recovery. Most buffer items should end up on the
+ * buffer list and are recovered first, with the following exceptions:
+ *
+ * 1. XFS_BLF_CANCEL buffers must be processed last because some log items
+ * might depend on the incor ecancellation record, and replaying a cancelled
+ * buffer item can remove the incore record.
+ *
+ * 2. XFS_BLF_INODE_BUF buffers are handled after most regular items so that
+ * we replay di_next_unlinked only after flushing the inode 'free' state
+ * to the inode buffer.
+ *
+ * See xlog_recover_reorder_trans for more details.
+ */
+STATIC enum xlog_recover_reorder
+xlog_recover_buf_reorder(
+ struct xlog_recover_item *item)
+{
+ struct xfs_buf_log_format *buf_f = item->ri_buf[0].i_addr;
+
+ if (buf_f->blf_flags & XFS_BLF_CANCEL)
+ return XLOG_REORDER_CANCEL_LIST;
+ if (buf_f->blf_flags & XFS_BLF_INODE_BUF)
+ return XLOG_REORDER_INODE_BUFFER_LIST;
+ return XLOG_REORDER_BUFFER_LIST;
+}
+
+STATIC void
+xlog_recover_buf_ra_pass2(
+ struct xlog *log,
+ struct xlog_recover_item *item)
+{
+ struct xfs_buf_log_format *buf_f = item->ri_buf[0].i_addr;
+
+ xlog_buf_readahead(log, buf_f->blf_blkno, buf_f->blf_len, NULL);
+}
+
+/*
+ * Build up the table of buf cancel records so that we don't replay cancelled
+ * data in the second pass.
+ */
+static int
+xlog_recover_buf_commit_pass1(
+ struct xlog *log,
+ struct xlog_recover_item *item)
+{
+ struct xfs_buf_log_format *bf = item->ri_buf[0].i_addr;
+
+ if (!xfs_buf_log_check_iovec(&item->ri_buf[0])) {
+ xfs_err(log->l_mp, "bad buffer log item size (%d)",
+ item->ri_buf[0].i_len);
+ return -EFSCORRUPTED;
+ }
+
+ if (!(bf->blf_flags & XFS_BLF_CANCEL))
+ trace_xfs_log_recover_buf_not_cancel(log, bf);
+ else if (xlog_add_buffer_cancelled(log, bf->blf_blkno, bf->blf_len))
+ trace_xfs_log_recover_buf_cancel_add(log, bf);
+ else
+ trace_xfs_log_recover_buf_cancel_ref_inc(log, bf);
+ return 0;
+}
+
+/*
+ * Validate the recovered buffer is of the correct type and attach the
+ * appropriate buffer operations to them for writeback. Magic numbers are in a
+ * few places:
+ * the first 16 bits of the buffer (inode buffer, dquot buffer),
+ * the first 32 bits of the buffer (most blocks),
+ * inside a struct xfs_da_blkinfo at the start of the buffer.
+ */
+static void
+xlog_recover_validate_buf_type(
+ struct xfs_mount *mp,
+ struct xfs_buf *bp,
+ struct xfs_buf_log_format *buf_f,
+ xfs_lsn_t current_lsn)
+{
+ struct xfs_da_blkinfo *info = bp->b_addr;
+ uint32_t magic32;
+ uint16_t magic16;
+ uint16_t magicda;
+ char *warnmsg = NULL;
+
+ /*
+ * We can only do post recovery validation on items on CRC enabled
+ * fielsystems as we need to know when the buffer was written to be able
+ * to determine if we should have replayed the item. If we replay old
+ * metadata over a newer buffer, then it will enter a temporarily
+ * inconsistent state resulting in verification failures. Hence for now
+ * just avoid the verification stage for non-crc filesystems
+ */
+ if (!xfs_sb_version_hascrc(&mp->m_sb))
+ return;
+
+ magic32 = be32_to_cpu(*(__be32 *)bp->b_addr);
+ magic16 = be16_to_cpu(*(__be16*)bp->b_addr);
+ magicda = be16_to_cpu(info->magic);
+ switch (xfs_blft_from_flags(buf_f)) {
+ case XFS_BLFT_BTREE_BUF:
+ switch (magic32) {
+ case XFS_ABTB_CRC_MAGIC:
+ case XFS_ABTB_MAGIC:
+ bp->b_ops = &xfs_bnobt_buf_ops;
+ break;
+ case XFS_ABTC_CRC_MAGIC:
+ case XFS_ABTC_MAGIC:
+ bp->b_ops = &xfs_cntbt_buf_ops;
+ break;
+ case XFS_IBT_CRC_MAGIC:
+ case XFS_IBT_MAGIC:
+ bp->b_ops = &xfs_inobt_buf_ops;
+ break;
+ case XFS_FIBT_CRC_MAGIC:
+ case XFS_FIBT_MAGIC:
+ bp->b_ops = &xfs_finobt_buf_ops;
+ break;
+ case XFS_BMAP_CRC_MAGIC:
+ case XFS_BMAP_MAGIC:
+ bp->b_ops = &xfs_bmbt_buf_ops;
+ break;
+ case XFS_RMAP_CRC_MAGIC:
+ bp->b_ops = &xfs_rmapbt_buf_ops;
+ break;
+ case XFS_REFC_CRC_MAGIC:
+ bp->b_ops = &xfs_refcountbt_buf_ops;
+ break;
+ default:
+ warnmsg = "Bad btree block magic!";
+ break;
+ }
+ break;
+ case XFS_BLFT_AGF_BUF:
+ if (magic32 != XFS_AGF_MAGIC) {
+ warnmsg = "Bad AGF block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_agf_buf_ops;
+ break;
+ case XFS_BLFT_AGFL_BUF:
+ if (magic32 != XFS_AGFL_MAGIC) {
+ warnmsg = "Bad AGFL block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_agfl_buf_ops;
+ break;
+ case XFS_BLFT_AGI_BUF:
+ if (magic32 != XFS_AGI_MAGIC) {
+ warnmsg = "Bad AGI block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_agi_buf_ops;
+ break;
+ case XFS_BLFT_UDQUOT_BUF:
+ case XFS_BLFT_PDQUOT_BUF:
+ case XFS_BLFT_GDQUOT_BUF:
+#ifdef CONFIG_XFS_QUOTA
+ if (magic16 != XFS_DQUOT_MAGIC) {
+ warnmsg = "Bad DQUOT block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dquot_buf_ops;
+#else
+ xfs_alert(mp,
+ "Trying to recover dquots without QUOTA support built in!");
+ ASSERT(0);
+#endif
+ break;
+ case XFS_BLFT_DINO_BUF:
+ if (magic16 != XFS_DINODE_MAGIC) {
+ warnmsg = "Bad INODE block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_inode_buf_ops;
+ break;
+ case XFS_BLFT_SYMLINK_BUF:
+ if (magic32 != XFS_SYMLINK_MAGIC) {
+ warnmsg = "Bad symlink block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_symlink_buf_ops;
+ break;
+ case XFS_BLFT_DIR_BLOCK_BUF:
+ if (magic32 != XFS_DIR2_BLOCK_MAGIC &&
+ magic32 != XFS_DIR3_BLOCK_MAGIC) {
+ warnmsg = "Bad dir block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dir3_block_buf_ops;
+ break;
+ case XFS_BLFT_DIR_DATA_BUF:
+ if (magic32 != XFS_DIR2_DATA_MAGIC &&
+ magic32 != XFS_DIR3_DATA_MAGIC) {
+ warnmsg = "Bad dir data magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dir3_data_buf_ops;
+ break;
+ case XFS_BLFT_DIR_FREE_BUF:
+ if (magic32 != XFS_DIR2_FREE_MAGIC &&
+ magic32 != XFS_DIR3_FREE_MAGIC) {
+ warnmsg = "Bad dir3 free magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dir3_free_buf_ops;
+ break;
+ case XFS_BLFT_DIR_LEAF1_BUF:
+ if (magicda != XFS_DIR2_LEAF1_MAGIC &&
+ magicda != XFS_DIR3_LEAF1_MAGIC) {
+ warnmsg = "Bad dir leaf1 magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dir3_leaf1_buf_ops;
+ break;
+ case XFS_BLFT_DIR_LEAFN_BUF:
+ if (magicda != XFS_DIR2_LEAFN_MAGIC &&
+ magicda != XFS_DIR3_LEAFN_MAGIC) {
+ warnmsg = "Bad dir leafn magic!";
+ break;
+ }
+ bp->b_ops = &xfs_dir3_leafn_buf_ops;
+ break;
+ case XFS_BLFT_DA_NODE_BUF:
+ if (magicda != XFS_DA_NODE_MAGIC &&
+ magicda != XFS_DA3_NODE_MAGIC) {
+ warnmsg = "Bad da node magic!";
+ break;
+ }
+ bp->b_ops = &xfs_da3_node_buf_ops;
+ break;
+ case XFS_BLFT_ATTR_LEAF_BUF:
+ if (magicda != XFS_ATTR_LEAF_MAGIC &&
+ magicda != XFS_ATTR3_LEAF_MAGIC) {
+ warnmsg = "Bad attr leaf magic!";
+ break;
+ }
+ bp->b_ops = &xfs_attr3_leaf_buf_ops;
+ break;
+ case XFS_BLFT_ATTR_RMT_BUF:
+ if (magic32 != XFS_ATTR3_RMT_MAGIC) {
+ warnmsg = "Bad attr remote magic!";
+ break;
+ }
+ bp->b_ops = &xfs_attr3_rmt_buf_ops;
+ break;
+ case XFS_BLFT_SB_BUF:
+ if (magic32 != XFS_SB_MAGIC) {
+ warnmsg = "Bad SB block magic!";
+ break;
+ }
+ bp->b_ops = &xfs_sb_buf_ops;
+ break;
+#ifdef CONFIG_XFS_RT
+ case XFS_BLFT_RTBITMAP_BUF:
+ case XFS_BLFT_RTSUMMARY_BUF:
+ /* no magic numbers for verification of RT buffers */
+ bp->b_ops = &xfs_rtbuf_ops;
+ break;
+#endif /* CONFIG_XFS_RT */
+ default:
+ xfs_warn(mp, "Unknown buffer type %d!",
+ xfs_blft_from_flags(buf_f));
+ break;
+ }
+
+ /*
+ * Nothing else to do in the case of a NULL current LSN as this means
+ * the buffer is more recent than the change in the log and will be
+ * skipped.
+ */
+ if (current_lsn == NULLCOMMITLSN)
+ return;
+
+ if (warnmsg) {
+ xfs_warn(mp, warnmsg);
+ ASSERT(0);
+ }
+
+ /*
+ * We must update the metadata LSN of the buffer as it is written out to
+ * ensure that older transactions never replay over this one and corrupt
+ * the buffer. This can occur if log recovery is interrupted at some
+ * point after the current transaction completes, at which point a
+ * subsequent mount starts recovery from the beginning.
+ *
+ * Write verifiers update the metadata LSN from log items attached to
+ * the buffer. Therefore, initialize a bli purely to carry the LSN to
+ * the verifier. We'll clean it up in our ->iodone() callback.
+ */
+ if (bp->b_ops) {
+ struct xfs_buf_log_item *bip;
+
+ ASSERT(!bp->b_iodone || bp->b_iodone == xlog_recover_iodone);
+ bp->b_iodone = xlog_recover_iodone;
+ xfs_buf_item_init(bp, mp);
+ bip = bp->b_log_item;
+ bip->bli_item.li_lsn = current_lsn;
+ }
+}
+
+/*
+ * Perform a 'normal' buffer recovery. Each logged region of the
+ * buffer should be copied over the corresponding region in the
+ * given buffer. The bitmap in the buf log format structure indicates
+ * where to place the logged data.
+ */
+STATIC void
+xlog_recover_do_reg_buffer(
+ struct xfs_mount *mp,
+ struct xlog_recover_item *item,
+ struct xfs_buf *bp,
+ struct xfs_buf_log_format *buf_f,
+ xfs_lsn_t current_lsn)
+{
+ int i;
+ int bit;
+ int nbits;
+ xfs_failaddr_t fa;
+ const size_t size_disk_dquot = sizeof(struct xfs_disk_dquot);
+
+ trace_xfs_log_recover_buf_reg_buf(mp->m_log, buf_f);
+
+ bit = 0;
+ i = 1; /* 0 is the buf format structure */
+ while (1) {
+ bit = xfs_next_bit(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
+ if (bit == -1)
+ break;
+ nbits = xfs_contig_bits(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
+ ASSERT(nbits > 0);
+ ASSERT(item->ri_buf[i].i_addr != NULL);
+ ASSERT(item->ri_buf[i].i_len % XFS_BLF_CHUNK == 0);
+ ASSERT(BBTOB(bp->b_length) >=
+ ((uint)bit << XFS_BLF_SHIFT) + (nbits << XFS_BLF_SHIFT));
+
+ /*
+ * The dirty regions logged in the buffer, even though
+ * contiguous, may span multiple chunks. This is because the
+ * dirty region may span a physical page boundary in a buffer
+ * and hence be split into two separate vectors for writing into
+ * the log. Hence we need to trim nbits back to the length of
+ * the current region being copied out of the log.
+ */
+ if (item->ri_buf[i].i_len < (nbits << XFS_BLF_SHIFT))
+ nbits = item->ri_buf[i].i_len >> XFS_BLF_SHIFT;
+
+ /*
+ * Do a sanity check if this is a dquot buffer. Just checking
+ * the first dquot in the buffer should do. XXXThis is
+ * probably a good thing to do for other buf types also.
+ */
+ fa = NULL;
+ if (buf_f->blf_flags &
+ (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
+ if (item->ri_buf[i].i_addr == NULL) {
+ xfs_alert(mp,
+ "XFS: NULL dquot in %s.", __func__);
+ goto next;
+ }
+ if (item->ri_buf[i].i_len < size_disk_dquot) {
+ xfs_alert(mp,
+ "XFS: dquot too small (%d) in %s.",
+ item->ri_buf[i].i_len, __func__);
+ goto next;
+ }
+ fa = xfs_dquot_verify(mp, item->ri_buf[i].i_addr,
+ -1, 0);
+ if (fa) {
+ xfs_alert(mp,
+ "dquot corrupt at %pS trying to replay into block 0x%llx",
+ fa, bp->b_bn);
+ goto next;
+ }
+ }
+
+ memcpy(xfs_buf_offset(bp,
+ (uint)bit << XFS_BLF_SHIFT), /* dest */
+ item->ri_buf[i].i_addr, /* source */
+ nbits<<XFS_BLF_SHIFT); /* length */
+ next:
+ i++;
+ bit += nbits;
+ }
+
+ /* Shouldn't be any more regions */
+ ASSERT(i == item->ri_total);
+
+ xlog_recover_validate_buf_type(mp, bp, buf_f, current_lsn);
+}
+
+/*
+ * Perform a dquot buffer recovery.
+ * Simple algorithm: if we have found a QUOTAOFF log item of the same type
+ * (ie. USR or GRP), then just toss this buffer away; don't recover it.
+ * Else, treat it as a regular buffer and do recovery.
+ *
+ * Return false if the buffer was tossed and true if we recovered the buffer to
+ * indicate to the caller if the buffer needs writing.
+ */
+STATIC bool
+xlog_recover_do_dquot_buffer(
+ struct xfs_mount *mp,
+ struct xlog *log,
+ struct xlog_recover_item *item,
+ struct xfs_buf *bp,
+ struct xfs_buf_log_format *buf_f)
+{
+ uint type;
+
+ trace_xfs_log_recover_buf_dquot_buf(log, buf_f);
+
+ /*
+ * Filesystems are required to send in quota flags at mount time.
+ */
+ if (!mp->m_qflags)
+ return false;
+
+ type = 0;
+ if (buf_f->blf_flags & XFS_BLF_UDQUOT_BUF)
+ type |= XFS_DQ_USER;
+ if (buf_f->blf_flags & XFS_BLF_PDQUOT_BUF)
+ type |= XFS_DQ_PROJ;
+ if (buf_f->blf_flags & XFS_BLF_GDQUOT_BUF)
+ type |= XFS_DQ_GROUP;
+ /*
+ * This type of quotas was turned off, so ignore this buffer
+ */
+ if (log->l_quotaoffs_flag & type)
+ return false;
+
+ xlog_recover_do_reg_buffer(mp, item, bp, buf_f, NULLCOMMITLSN);
+ return true;
+}
+
+/*
+ * Perform recovery for a buffer full of inodes. In these buffers, the only
+ * data which should be recovered is that which corresponds to the
+ * di_next_unlinked pointers in the on disk inode structures. The rest of the
+ * data for the inodes is always logged through the inodes themselves rather
+ * than the inode buffer and is recovered in xlog_recover_inode_pass2().
+ *
+ * The only time when buffers full of inodes are fully recovered is when the
+ * buffer is full of newly allocated inodes. In this case the buffer will
+ * not be marked as an inode buffer and so will be sent to
+ * xlog_recover_do_reg_buffer() below during recovery.
+ */
+STATIC int
+xlog_recover_do_inode_buffer(
+ struct xfs_mount *mp,
+ struct xlog_recover_item *item,
+ struct xfs_buf *bp,
+ struct xfs_buf_log_format *buf_f)
+{
+ int i;
+ int item_index = 0;
+ int bit = 0;
+ int nbits = 0;
+ int reg_buf_offset = 0;
+ int reg_buf_bytes = 0;
+ int next_unlinked_offset;
+ int inodes_per_buf;
+ xfs_agino_t *logged_nextp;
+ xfs_agino_t *buffer_nextp;
+
+ trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f);
+
+ /*
+ * Post recovery validation only works properly on CRC enabled
+ * filesystems.
+ */
+ if (xfs_sb_version_hascrc(&mp->m_sb))
+ bp->b_ops = &xfs_inode_buf_ops;
+
+ inodes_per_buf = BBTOB(bp->b_length) >> mp->m_sb.sb_inodelog;
+ for (i = 0; i < inodes_per_buf; i++) {
+ next_unlinked_offset = (i * mp->m_sb.sb_inodesize) +
+ offsetof(xfs_dinode_t, di_next_unlinked);
+
+ while (next_unlinked_offset >=
+ (reg_buf_offset + reg_buf_bytes)) {
+ /*
+ * The next di_next_unlinked field is beyond
+ * the current logged region. Find the next
+ * logged region that contains or is beyond
+ * the current di_next_unlinked field.
+ */
+ bit += nbits;
+ bit = xfs_next_bit(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
+
+ /*
+ * If there are no more logged regions in the
+ * buffer, then we're done.
+ */
+ if (bit == -1)
+ return 0;
+
+ nbits = xfs_contig_bits(buf_f->blf_data_map,
+ buf_f->blf_map_size, bit);
+ ASSERT(nbits > 0);
+ reg_buf_offset = bit << XFS_BLF_SHIFT;
+ reg_buf_bytes = nbits << XFS_BLF_SHIFT;
+ item_index++;
+ }
+
+ /*
+ * If the current logged region starts after the current
+ * di_next_unlinked field, then move on to the next
+ * di_next_unlinked field.
+ */
+ if (next_unlinked_offset < reg_buf_offset)
+ continue;
+
+ ASSERT(item->ri_buf[item_index].i_addr != NULL);
+ ASSERT((item->ri_buf[item_index].i_len % XFS_BLF_CHUNK) == 0);
+ ASSERT((reg_buf_offset + reg_buf_bytes) <= BBTOB(bp->b_length));
+
+ /*
+ * The current logged region contains a copy of the
+ * current di_next_unlinked field. Extract its value
+ * and copy it to the buffer copy.
+ */
+ logged_nextp = item->ri_buf[item_index].i_addr +
+ next_unlinked_offset - reg_buf_offset;
+ if (XFS_IS_CORRUPT(mp, *logged_nextp == 0)) {
+ xfs_alert(mp,
+ "Bad inode buffer log record (ptr = "PTR_FMT", bp = "PTR_FMT"). "
+ "Trying to replay bad (0) inode di_next_unlinked field.",
+ item, bp);
+ return -EFSCORRUPTED;
+ }
+
+ buffer_nextp = xfs_buf_offset(bp, next_unlinked_offset);
+ *buffer_nextp = *logged_nextp;
+
+ /*
+ * If necessary, recalculate the CRC in the on-disk inode. We
+ * have to leave the inode in a consistent state for whoever
+ * reads it next....
+ */
+ xfs_dinode_calc_crc(mp,
+ xfs_buf_offset(bp, i * mp->m_sb.sb_inodesize));
+
+ }
+
+ return 0;
+}
+
+/*
+ * V5 filesystems know the age of the buffer on disk being recovered. We can
+ * have newer objects on disk than we are replaying, and so for these cases we
+ * don't want to replay the current change as that will make the buffer contents
+ * temporarily invalid on disk.
+ *
+ * The magic number might not match the buffer type we are going to recover
+ * (e.g. reallocated blocks), so we ignore the xfs_buf_log_format flags. Hence
+ * extract the LSN of the existing object in the buffer based on it's current
+ * magic number. If we don't recognise the magic number in the buffer, then
+ * return a LSN of -1 so that the caller knows it was an unrecognised block and
+ * so can recover the buffer.
+ *
+ * Note: we cannot rely solely on magic number matches to determine that the
+ * buffer has a valid LSN - we also need to verify that it belongs to this
+ * filesystem, so we need to extract the object's LSN and compare it to that
+ * which we read from the superblock. If the UUIDs don't match, then we've got a
+ * stale metadata block from an old filesystem instance that we need to recover
+ * over the top of.
+ */
+static xfs_lsn_t
+xlog_recover_get_buf_lsn(
+ struct xfs_mount *mp,
+ struct xfs_buf *bp)
+{
+ uint32_t magic32;
+ uint16_t magic16;
+ uint16_t magicda;
+ void *blk = bp->b_addr;
+ uuid_t *uuid;
+ xfs_lsn_t lsn = -1;
+
+ /* v4 filesystems always recover immediately */
+ if (!xfs_sb_version_hascrc(&mp->m_sb))
+ goto recover_immediately;
+
+ magic32 = be32_to_cpu(*(__be32 *)blk);
+ switch (magic32) {
+ case XFS_ABTB_CRC_MAGIC:
+ case XFS_ABTC_CRC_MAGIC:
+ case XFS_ABTB_MAGIC:
+ case XFS_ABTC_MAGIC:
+ case XFS_RMAP_CRC_MAGIC:
+ case XFS_REFC_CRC_MAGIC:
+ case XFS_IBT_CRC_MAGIC:
+ case XFS_IBT_MAGIC: {
+ struct xfs_btree_block *btb = blk;
+
+ lsn = be64_to_cpu(btb->bb_u.s.bb_lsn);
+ uuid = &btb->bb_u.s.bb_uuid;
+ break;
+ }
+ case XFS_BMAP_CRC_MAGIC:
+ case XFS_BMAP_MAGIC: {
+ struct xfs_btree_block *btb = blk;
+
+ lsn = be64_to_cpu(btb->bb_u.l.bb_lsn);
+ uuid = &btb->bb_u.l.bb_uuid;
+ break;
+ }
+ case XFS_AGF_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn);
+ uuid = &((struct xfs_agf *)blk)->agf_uuid;
+ break;
+ case XFS_AGFL_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn);
+ uuid = &((struct xfs_agfl *)blk)->agfl_uuid;
+ break;
+ case XFS_AGI_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn);
+ uuid = &((struct xfs_agi *)blk)->agi_uuid;
+ break;
+ case XFS_SYMLINK_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn);
+ uuid = &((struct xfs_dsymlink_hdr *)blk)->sl_uuid;
+ break;
+ case XFS_DIR3_BLOCK_MAGIC:
+ case XFS_DIR3_DATA_MAGIC:
+ case XFS_DIR3_FREE_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn);
+ uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid;
+ break;
+ case XFS_ATTR3_RMT_MAGIC:
+ /*
+ * Remote attr blocks are written synchronously, rather than
+ * being logged. That means they do not contain a valid LSN
+ * (i.e. transactionally ordered) in them, and hence any time we
+ * see a buffer to replay over the top of a remote attribute
+ * block we should simply do so.
+ */
+ goto recover_immediately;
+ case XFS_SB_MAGIC:
+ /*
+ * superblock uuids are magic. We may or may not have a
+ * sb_meta_uuid on disk, but it will be set in the in-core
+ * superblock. We set the uuid pointer for verification
+ * according to the superblock feature mask to ensure we check
+ * the relevant UUID in the superblock.
+ */
+ lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn);
+ if (xfs_sb_version_hasmetauuid(&mp->m_sb))
+ uuid = &((struct xfs_dsb *)blk)->sb_meta_uuid;
+ else
+ uuid = &((struct xfs_dsb *)blk)->sb_uuid;
+ break;
+ default:
+ break;
+ }
+
+ if (lsn != (xfs_lsn_t)-1) {
+ if (!uuid_equal(&mp->m_sb.sb_meta_uuid, uuid))
+ goto recover_immediately;
+ return lsn;
+ }
+
+ magicda = be16_to_cpu(((struct xfs_da_blkinfo *)blk)->magic);
+ switch (magicda) {
+ case XFS_DIR3_LEAF1_MAGIC:
+ case XFS_DIR3_LEAFN_MAGIC:
+ case XFS_DA3_NODE_MAGIC:
+ lsn = be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn);
+ uuid = &((struct xfs_da3_blkinfo *)blk)->uuid;
+ break;
+ default:
+ break;
+ }
+
+ if (lsn != (xfs_lsn_t)-1) {
+ if (!uuid_equal(&mp->m_sb.sb_uuid, uuid))
+ goto recover_immediately;
+ return lsn;
+ }
+
+ /*
+ * We do individual object checks on dquot and inode buffers as they
+ * have their own individual LSN records. Also, we could have a stale
+ * buffer here, so we have to at least recognise these buffer types.
+ *
+ * A notd complexity here is inode unlinked list processing - it logs
+ * the inode directly in the buffer, but we don't know which inodes have
+ * been modified, and there is no global buffer LSN. Hence we need to
+ * recover all inode buffer types immediately. This problem will be
+ * fixed by logical logging of the unlinked list modifications.
+ */
+ magic16 = be16_to_cpu(*(__be16 *)blk);
+ switch (magic16) {
+ case XFS_DQUOT_MAGIC:
+ case XFS_DINODE_MAGIC:
+ goto recover_immediately;
+ default:
+ break;
+ }
+
+ /* unknown buffer contents, recover immediately */
+
+recover_immediately:
+ return (xfs_lsn_t)-1;
+
+}
+
+/*
+ * This routine replays a modification made to a buffer at runtime.
+ * There are actually two types of buffer, regular and inode, which
+ * are handled differently. Inode buffers are handled differently
+ * in that we only recover a specific set of data from them, namely
+ * the inode di_next_unlinked fields. This is because all other inode
+ * data is actually logged via inode records and any data we replay
+ * here which overlaps that may be stale.
+ *
+ * When meta-data buffers are freed at run time we log a buffer item
+ * with the XFS_BLF_CANCEL bit set to indicate that previous copies
+ * of the buffer in the log should not be replayed at recovery time.
+ * This is so that if the blocks covered by the buffer are reused for
+ * file data before we crash we don't end up replaying old, freed
+ * meta-data into a user's file.
+ *
+ * To handle the cancellation of buffer log items, we make two passes
+ * over the log during recovery. During the first we build a table of
+ * those buffers which have been cancelled, and during the second we
+ * only replay those buffers which do not have corresponding cancel
+ * records in the table. See xlog_recover_buf_pass[1,2] above
+ * for more details on the implementation of the table of cancel records.
+ */
+STATIC int
+xlog_recover_buf_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t current_lsn)
+{
+ struct xfs_buf_log_format *buf_f = item->ri_buf[0].i_addr;
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_buf *bp;
+ int error;
+ uint buf_flags;
+ xfs_lsn_t lsn;
+
+ /*
+ * In this pass we only want to recover all the buffers which have
+ * not been cancelled and are not cancellation buffers themselves.
+ */
+ if (buf_f->blf_flags & XFS_BLF_CANCEL) {
+ if (xlog_put_buffer_cancelled(log, buf_f->blf_blkno,
+ buf_f->blf_len))
+ goto cancelled;
+ } else {
+
+ if (xlog_is_buffer_cancelled(log, buf_f->blf_blkno,
+ buf_f->blf_len))
+ goto cancelled;
+ }
+
+ trace_xfs_log_recover_buf_recover(log, buf_f);
+
+ buf_flags = 0;
+ if (buf_f->blf_flags & XFS_BLF_INODE_BUF)
+ buf_flags |= XBF_UNMAPPED;
+
+ error = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len,
+ buf_flags, &bp, NULL);
+ if (error)
+ return error;
+
+ /*
+ * Recover the buffer only if we get an LSN from it and it's less than
+ * the lsn of the transaction we are replaying.
+ *
+ * Note that we have to be extremely careful of readahead here.
+ * Readahead does not attach verfiers to the buffers so if we don't
+ * actually do any replay after readahead because of the LSN we found
+ * in the buffer if more recent than that current transaction then we
+ * need to attach the verifier directly. Failure to do so can lead to
+ * future recovery actions (e.g. EFI and unlinked list recovery) can
+ * operate on the buffers and they won't get the verifier attached. This
+ * can lead to blocks on disk having the correct content but a stale
+ * CRC.
+ *
+ * It is safe to assume these clean buffers are currently up to date.
+ * If the buffer is dirtied by a later transaction being replayed, then
+ * the verifier will be reset to match whatever recover turns that
+ * buffer into.
+ */
+ lsn = xlog_recover_get_buf_lsn(mp, bp);
+ if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
+ trace_xfs_log_recover_buf_skip(log, buf_f);
+ xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN);
+ goto out_release;
+ }
+
+ if (buf_f->blf_flags & XFS_BLF_INODE_BUF) {
+ error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f);
+ if (error)
+ goto out_release;
+ } else if (buf_f->blf_flags &
+ (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
+ bool dirty;
+
+ dirty = xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);
+ if (!dirty)
+ goto out_release;
+ } else {
+ xlog_recover_do_reg_buffer(mp, item, bp, buf_f, current_lsn);
+ }
+
+ /*
+ * Perform delayed write on the buffer. Asynchronous writes will be
+ * slower when taking into account all the buffers to be flushed.
+ *
+ * Also make sure that only inode buffers with good sizes stay in
+ * the buffer cache. The kernel moves inodes in buffers of 1 block
+ * or inode_cluster_size bytes, whichever is bigger. The inode
+ * buffers in the log can be a different size if the log was generated
+ * by an older kernel using unclustered inode buffers or a newer kernel
+ * running with a different inode cluster size. Regardless, if the
+ * the inode buffer size isn't max(blocksize, inode_cluster_size)
+ * for *our* value of inode_cluster_size, then we need to keep
+ * the buffer out of the buffer cache so that the buffer won't
+ * overlap with future reads of those inodes.
+ */
+ if (XFS_DINODE_MAGIC ==
+ be16_to_cpu(*((__be16 *)xfs_buf_offset(bp, 0))) &&
+ (BBTOB(bp->b_length) != M_IGEO(log->l_mp)->inode_cluster_size)) {
+ xfs_buf_stale(bp);
+ error = xfs_bwrite(bp);
+ } else {
+ ASSERT(bp->b_mount == mp);
+ bp->b_iodone = xlog_recover_iodone;
+ xfs_buf_delwri_queue(bp, buffer_list);
+ }
+
+out_release:
+ xfs_buf_relse(bp);
+ return error;
+cancelled:
+ trace_xfs_log_recover_buf_cancel(log, buf_f);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_buf_item_ops = {
+ .item_type = XFS_LI_BUF,
+ .reorder = xlog_recover_buf_reorder,
+ .ra_pass2 = xlog_recover_buf_ra_pass2,
+ .commit_pass1 = xlog_recover_buf_commit_pass1,
+ .commit_pass2 = xlog_recover_buf_commit_pass2,
+};
diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c
index 871ec22c9aee..66deddd5e296 100644
--- a/fs/xfs/xfs_dir2_readdir.c
+++ b/fs/xfs/xfs_dir2_readdir.c
@@ -524,7 +524,7 @@ xfs_readdir(
args.geo = dp->i_mount->m_dir_geo;
args.trans = tp;
- if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
+ if (dp->i_df.if_format == XFS_DINODE_FMT_LOCAL)
rval = xfs_dir2_sf_getdents(&args, ctx);
else if ((rval = xfs_dir2_isblock(&args, &v)))
;
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index af2c8e5ceea0..d5b7f03e93c8 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -75,7 +75,7 @@ xfs_qm_adjust_dqlimits(
int prealloc = 0;
ASSERT(d->d_id);
- defq = xfs_get_defquota(dq, q);
+ defq = xfs_get_defquota(q, xfs_dquot_type(dq));
if (defq->bsoftlimit && !d->d_blk_softlimit) {
d->d_blk_softlimit = cpu_to_be64(defq->bsoftlimit);
@@ -114,9 +114,14 @@ xfs_qm_adjust_dqlimits(
void
xfs_qm_adjust_dqtimers(
struct xfs_mount *mp,
- struct xfs_disk_dquot *d)
+ struct xfs_dquot *dq)
{
+ struct xfs_quotainfo *qi = mp->m_quotainfo;
+ struct xfs_disk_dquot *d = &dq->q_core;
+ struct xfs_def_quota *defq;
+
ASSERT(d->d_id);
+ defq = xfs_get_defquota(qi, xfs_dquot_type(dq));
#ifdef DEBUG
if (d->d_blk_hardlimit)
@@ -138,7 +143,7 @@ xfs_qm_adjust_dqtimers(
(be64_to_cpu(d->d_bcount) >
be64_to_cpu(d->d_blk_hardlimit)))) {
d->d_btimer = cpu_to_be32(ktime_get_real_seconds() +
- mp->m_quotainfo->qi_btimelimit);
+ defq->btimelimit);
} else {
d->d_bwarns = 0;
}
@@ -161,7 +166,7 @@ xfs_qm_adjust_dqtimers(
(be64_to_cpu(d->d_icount) >
be64_to_cpu(d->d_ino_hardlimit)))) {
d->d_itimer = cpu_to_be32(ktime_get_real_seconds() +
- mp->m_quotainfo->qi_itimelimit);
+ defq->itimelimit);
} else {
d->d_iwarns = 0;
}
@@ -184,7 +189,7 @@ xfs_qm_adjust_dqtimers(
(be64_to_cpu(d->d_rtbcount) >
be64_to_cpu(d->d_rtb_hardlimit)))) {
d->d_rtbtimer = cpu_to_be32(ktime_get_real_seconds() +
- mp->m_quotainfo->qi_rtbtimelimit);
+ defq->rtbtimelimit);
} else {
d->d_rtbwarns = 0;
}
@@ -205,16 +210,18 @@ xfs_qm_adjust_dqtimers(
*/
STATIC void
xfs_qm_init_dquot_blk(
- xfs_trans_t *tp,
- xfs_mount_t *mp,
- xfs_dqid_t id,
- uint type,
- xfs_buf_t *bp)
+ struct xfs_trans *tp,
+ struct xfs_mount *mp,
+ xfs_dqid_t id,
+ uint type,
+ struct xfs_buf *bp)
{
struct xfs_quotainfo *q = mp->m_quotainfo;
- xfs_dqblk_t *d;
- xfs_dqid_t curid;
- int i;
+ struct xfs_dqblk *d;
+ xfs_dqid_t curid;
+ unsigned int qflag;
+ unsigned int blftype;
+ int i;
ASSERT(tp);
ASSERT(xfs_buf_islocked(bp));
@@ -238,11 +245,39 @@ xfs_qm_init_dquot_blk(
}
}
- xfs_trans_dquot_buf(tp, bp,
- (type & XFS_DQ_USER ? XFS_BLF_UDQUOT_BUF :
- ((type & XFS_DQ_PROJ) ? XFS_BLF_PDQUOT_BUF :
- XFS_BLF_GDQUOT_BUF)));
- xfs_trans_log_buf(tp, bp, 0, BBTOB(q->qi_dqchunklen) - 1);
+ if (type & XFS_DQ_USER) {
+ qflag = XFS_UQUOTA_CHKD;
+ blftype = XFS_BLF_UDQUOT_BUF;
+ } else if (type & XFS_DQ_PROJ) {
+ qflag = XFS_PQUOTA_CHKD;
+ blftype = XFS_BLF_PDQUOT_BUF;
+ } else {
+ qflag = XFS_GQUOTA_CHKD;
+ blftype = XFS_BLF_GDQUOT_BUF;
+ }
+
+ xfs_trans_dquot_buf(tp, bp, blftype);
+
+ /*
+ * quotacheck uses delayed writes to update all the dquots on disk in an
+ * efficient manner instead of logging the individual dquot changes as
+ * they are made. However if we log the buffer allocated here and crash
+ * after quotacheck while the logged initialisation is still in the
+ * active region of the log, log recovery can replay the dquot buffer
+ * initialisation over the top of the checked dquots and corrupt quota
+ * accounting.
+ *
+ * To avoid this problem, quotacheck cannot log the initialised buffer.
+ * We must still dirty the buffer and write it back before the
+ * allocation transaction clears the log. Therefore, mark the buffer as
+ * ordered instead of logging it directly. This is safe for quotacheck
+ * because it detects and repairs allocated but initialized dquot blocks
+ * in the quota inodes.
+ */
+ if (!(mp->m_qflags & qflag))
+ xfs_trans_ordered_buf(tp, bp);
+ else
+ xfs_trans_log_buf(tp, bp, 0, BBTOB(q->qi_dqchunklen) - 1);
}
/*
@@ -1021,6 +1056,7 @@ xfs_qm_dqflush_done(
struct xfs_dq_logitem *qip = (struct xfs_dq_logitem *)lip;
struct xfs_dquot *dqp = qip->qli_dquot;
struct xfs_ail *ailp = lip->li_ailp;
+ xfs_lsn_t tail_lsn;
/*
* We only want to pull the item from the AIL if its
@@ -1034,10 +1070,11 @@ xfs_qm_dqflush_done(
((lip->li_lsn == qip->qli_flush_lsn) ||
test_bit(XFS_LI_FAILED, &lip->li_flags))) {
- /* xfs_trans_ail_delete() drops the AIL lock. */
spin_lock(&ailp->ail_lock);
if (lip->li_lsn == qip->qli_flush_lsn) {
- xfs_trans_ail_delete(ailp, lip, SHUTDOWN_CORRUPT_INCORE);
+ /* xfs_ail_update_finish() drops the AIL lock */
+ tail_lsn = xfs_ail_delete_one(ailp, lip);
+ xfs_ail_update_finish(ailp, tail_lsn);
} else {
/*
* Clear the failed state since we are about to drop the
@@ -1068,6 +1105,7 @@ xfs_qm_dqflush(
struct xfs_buf **bpp)
{
struct xfs_mount *mp = dqp->q_mount;
+ struct xfs_log_item *lip = &dqp->q_logitem.qli_item;
struct xfs_buf *bp;
struct xfs_dqblk *dqb;
struct xfs_disk_dquot *ddqp;
@@ -1084,31 +1122,15 @@ xfs_qm_dqflush(
xfs_qm_dqunpin_wait(dqp);
/*
- * This may have been unpinned because the filesystem is shutting
- * down forcibly. If that's the case we must not write this dquot
- * to disk, because the log record didn't make it to disk.
- *
- * We also have to remove the log item from the AIL in this case,
- * as we wait for an emptry AIL as part of the unmount process.
- */
- if (XFS_FORCED_SHUTDOWN(mp)) {
- struct xfs_log_item *lip = &dqp->q_logitem.qli_item;
- dqp->dq_flags &= ~XFS_DQ_DIRTY;
-
- xfs_trans_ail_remove(lip, SHUTDOWN_CORRUPT_INCORE);
-
- error = -EIO;
- goto out_unlock;
- }
-
- /*
* Get the buffer containing the on-disk dquot
*/
error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dqp->q_blkno,
mp->m_quotainfo->qi_dqchunklen, XBF_TRYLOCK,
&bp, &xfs_dquot_buf_ops);
- if (error)
+ if (error == -EAGAIN)
goto out_unlock;
+ if (error)
+ goto out_abort;
/*
* Calculate the location of the dquot inside the buffer.
@@ -1116,17 +1138,15 @@ xfs_qm_dqflush(
dqb = bp->b_addr + dqp->q_bufoffset;
ddqp = &dqb->dd_diskdq;
- /*
- * A simple sanity check in case we got a corrupted dquot.
- */
- fa = xfs_dqblk_verify(mp, dqb, be32_to_cpu(ddqp->d_id), 0);
+ /* sanity check the in-core structure before we flush */
+ fa = xfs_dquot_verify(mp, &dqp->q_core, be32_to_cpu(dqp->q_core.d_id),
+ 0);
if (fa) {
xfs_alert(mp, "corrupt dquot ID 0x%x in memory at %pS",
- be32_to_cpu(ddqp->d_id), fa);
+ be32_to_cpu(dqp->q_core.d_id), fa);
xfs_buf_relse(bp);
- xfs_dqfunlock(dqp);
- xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
- return -EFSCORRUPTED;
+ error = -EFSCORRUPTED;
+ goto out_abort;
}
/* This is the only portion of data that needs to persist */
@@ -1175,6 +1195,10 @@ xfs_qm_dqflush(
*bpp = bp;
return 0;
+out_abort:
+ dqp->dq_flags &= ~XFS_DQ_DIRTY;
+ xfs_trans_ail_delete(lip, 0);
+ xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
out_unlock:
xfs_dqfunlock(dqp);
return error;
diff --git a/fs/xfs/xfs_dquot.h b/fs/xfs/xfs_dquot.h
index fe3e46df604b..71e36c85e20b 100644
--- a/fs/xfs/xfs_dquot.h
+++ b/fs/xfs/xfs_dquot.h
@@ -154,7 +154,7 @@ void xfs_qm_dqdestroy(struct xfs_dquot *dqp);
int xfs_qm_dqflush(struct xfs_dquot *dqp, struct xfs_buf **bpp);
void xfs_qm_dqunpin_wait(struct xfs_dquot *dqp);
void xfs_qm_adjust_dqtimers(struct xfs_mount *mp,
- struct xfs_disk_dquot *d);
+ struct xfs_dquot *d);
void xfs_qm_adjust_dqlimits(struct xfs_mount *mp,
struct xfs_dquot *d);
xfs_dqid_t xfs_qm_id_for_quotatype(struct xfs_inode *ip, uint type);
diff --git a/fs/xfs/xfs_dquot_item.c b/fs/xfs/xfs_dquot_item.c
index baad1748d0d1..349c92d26570 100644
--- a/fs/xfs/xfs_dquot_item.c
+++ b/fs/xfs/xfs_dquot_item.c
@@ -145,21 +145,6 @@ xfs_qm_dquot_logitem_push(
if (atomic_read(&dqp->q_pincount) > 0)
return XFS_ITEM_PINNED;
- /*
- * The buffer containing this item failed to be written back
- * previously. Resubmit the buffer for IO
- */
- if (test_bit(XFS_LI_FAILED, &lip->li_flags)) {
- if (!xfs_buf_trylock(bp))
- return XFS_ITEM_LOCKED;
-
- if (!xfs_buf_resubmit_failed_buffers(bp, buffer_list))
- rval = XFS_ITEM_FLUSHING;
-
- xfs_buf_unlock(bp);
- return rval;
- }
-
if (!xfs_dqlock_nowait(dqp))
return XFS_ITEM_LOCKED;
@@ -358,7 +343,7 @@ xfs_qm_qoff_logitem_relse(
ASSERT(test_bit(XFS_LI_IN_AIL, &lip->li_flags) ||
test_bit(XFS_LI_ABORTED, &lip->li_flags) ||
XFS_FORCED_SHUTDOWN(lip->li_mountp));
- xfs_trans_ail_remove(lip, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(lip, 0);
kmem_free(lip->li_lv_shadow);
kmem_free(qoff);
}
diff --git a/fs/xfs/xfs_dquot_item_recover.c b/fs/xfs/xfs_dquot_item_recover.c
new file mode 100644
index 000000000000..3400be4c88f0
--- /dev/null
+++ b/fs/xfs/xfs_dquot_item_recover.c
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_inode.h"
+#include "xfs_quota.h"
+#include "xfs_trans.h"
+#include "xfs_buf_item.h"
+#include "xfs_trans_priv.h"
+#include "xfs_qm.h"
+#include "xfs_log.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
+
+STATIC void
+xlog_recover_dquot_ra_pass2(
+ struct xlog *log,
+ struct xlog_recover_item *item)
+{
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_disk_dquot *recddq;
+ struct xfs_dq_logformat *dq_f;
+ uint type;
+
+ if (mp->m_qflags == 0)
+ return;
+
+ recddq = item->ri_buf[1].i_addr;
+ if (recddq == NULL)
+ return;
+ if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
+ return;
+
+ type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
+ ASSERT(type);
+ if (log->l_quotaoffs_flag & type)
+ return;
+
+ dq_f = item->ri_buf[0].i_addr;
+ ASSERT(dq_f);
+ ASSERT(dq_f->qlf_len == 1);
+
+ xlog_buf_readahead(log, dq_f->qlf_blkno,
+ XFS_FSB_TO_BB(mp, dq_f->qlf_len),
+ &xfs_dquot_buf_ra_ops);
+}
+
+/*
+ * Recover a dquot record
+ */
+STATIC int
+xlog_recover_dquot_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t current_lsn)
+{
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_buf *bp;
+ struct xfs_disk_dquot *ddq, *recddq;
+ struct xfs_dq_logformat *dq_f;
+ xfs_failaddr_t fa;
+ int error;
+ uint type;
+
+ /*
+ * Filesystems are required to send in quota flags at mount time.
+ */
+ if (mp->m_qflags == 0)
+ return 0;
+
+ recddq = item->ri_buf[1].i_addr;
+ if (recddq == NULL) {
+ xfs_alert(log->l_mp, "NULL dquot in %s.", __func__);
+ return -EFSCORRUPTED;
+ }
+ if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot)) {
+ xfs_alert(log->l_mp, "dquot too small (%d) in %s.",
+ item->ri_buf[1].i_len, __func__);
+ return -EFSCORRUPTED;
+ }
+
+ /*
+ * This type of quotas was turned off, so ignore this record.
+ */
+ type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
+ ASSERT(type);
+ if (log->l_quotaoffs_flag & type)
+ return 0;
+
+ /*
+ * At this point we know that quota was _not_ turned off.
+ * Since the mount flags are not indicating to us otherwise, this
+ * must mean that quota is on, and the dquot needs to be replayed.
+ * Remember that we may not have fully recovered the superblock yet,
+ * so we can't do the usual trick of looking at the SB quota bits.
+ *
+ * The other possibility, of course, is that the quota subsystem was
+ * removed since the last mount - ENOSYS.
+ */
+ dq_f = item->ri_buf[0].i_addr;
+ ASSERT(dq_f);
+ fa = xfs_dquot_verify(mp, recddq, dq_f->qlf_id, 0);
+ if (fa) {
+ xfs_alert(mp, "corrupt dquot ID 0x%x in log at %pS",
+ dq_f->qlf_id, fa);
+ return -EFSCORRUPTED;
+ }
+ ASSERT(dq_f->qlf_len == 1);
+
+ /*
+ * At this point we are assuming that the dquots have been allocated
+ * and hence the buffer has valid dquots stamped in it. It should,
+ * therefore, pass verifier validation. If the dquot is bad, then the
+ * we'll return an error here, so we don't need to specifically check
+ * the dquot in the buffer after the verifier has run.
+ */
+ error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno,
+ XFS_FSB_TO_BB(mp, dq_f->qlf_len), 0, &bp,
+ &xfs_dquot_buf_ops);
+ if (error)
+ return error;
+
+ ASSERT(bp);
+ ddq = xfs_buf_offset(bp, dq_f->qlf_boffset);
+
+ /*
+ * If the dquot has an LSN in it, recover the dquot only if it's less
+ * than the lsn of the transaction we are replaying.
+ */
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ struct xfs_dqblk *dqb = (struct xfs_dqblk *)ddq;
+ xfs_lsn_t lsn = be64_to_cpu(dqb->dd_lsn);
+
+ if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
+ goto out_release;
+ }
+ }
+
+ memcpy(ddq, recddq, item->ri_buf[1].i_len);
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ xfs_update_cksum((char *)ddq, sizeof(struct xfs_dqblk),
+ XFS_DQUOT_CRC_OFF);
+ }
+
+ ASSERT(dq_f->qlf_size == 2);
+ ASSERT(bp->b_mount == mp);
+ bp->b_iodone = xlog_recover_iodone;
+ xfs_buf_delwri_queue(bp, buffer_list);
+
+out_release:
+ xfs_buf_relse(bp);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_dquot_item_ops = {
+ .item_type = XFS_LI_DQUOT,
+ .ra_pass2 = xlog_recover_dquot_ra_pass2,
+ .commit_pass2 = xlog_recover_dquot_commit_pass2,
+};
+
+/*
+ * Recover QUOTAOFF records. We simply make a note of it in the xlog
+ * structure, so that we know not to do any dquot item or dquot buffer recovery,
+ * of that type.
+ */
+STATIC int
+xlog_recover_quotaoff_commit_pass1(
+ struct xlog *log,
+ struct xlog_recover_item *item)
+{
+ struct xfs_qoff_logformat *qoff_f = item->ri_buf[0].i_addr;
+ ASSERT(qoff_f);
+
+ /*
+ * The logitem format's flag tells us if this was user quotaoff,
+ * group/project quotaoff or both.
+ */
+ if (qoff_f->qf_flags & XFS_UQUOTA_ACCT)
+ log->l_quotaoffs_flag |= XFS_DQ_USER;
+ if (qoff_f->qf_flags & XFS_PQUOTA_ACCT)
+ log->l_quotaoffs_flag |= XFS_DQ_PROJ;
+ if (qoff_f->qf_flags & XFS_GQUOTA_ACCT)
+ log->l_quotaoffs_flag |= XFS_DQ_GROUP;
+
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_quotaoff_item_ops = {
+ .item_type = XFS_LI_QUOTAOFF,
+ .commit_pass1 = xlog_recover_quotaoff_commit_pass1,
+ /* nothing to commit in pass2 */
+};
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index a21e9cc6516a..7f6e20899473 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -53,6 +53,7 @@ static unsigned int xfs_errortag_random_default[] = {
XFS_RANDOM_FORCE_SCRUB_REPAIR,
XFS_RANDOM_FORCE_SUMMARY_RECALC,
XFS_RANDOM_IUNLINK_FALLBACK,
+ XFS_RANDOM_BUF_IOERROR,
};
struct xfs_errortag_attr {
@@ -162,6 +163,7 @@ XFS_ERRORTAG_ATTR_RW(buf_lru_ref, XFS_ERRTAG_BUF_LRU_REF);
XFS_ERRORTAG_ATTR_RW(force_repair, XFS_ERRTAG_FORCE_SCRUB_REPAIR);
XFS_ERRORTAG_ATTR_RW(bad_summary, XFS_ERRTAG_FORCE_SUMMARY_RECALC);
XFS_ERRORTAG_ATTR_RW(iunlink_fallback, XFS_ERRTAG_IUNLINK_FALLBACK);
+XFS_ERRORTAG_ATTR_RW(buf_ioerror, XFS_ERRTAG_BUF_IOERROR);
static struct attribute *xfs_errortag_attrs[] = {
XFS_ERRORTAG_ATTR_LIST(noerror),
@@ -199,6 +201,7 @@ static struct attribute *xfs_errortag_attrs[] = {
XFS_ERRORTAG_ATTR_LIST(force_repair),
XFS_ERRORTAG_ATTR_LIST(bad_summary),
XFS_ERRORTAG_ATTR_LIST(iunlink_fallback),
+ XFS_ERRORTAG_ATTR_LIST(buf_ioerror),
NULL,
};
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 6ea847f6e298..b9c333bae0a1 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -22,16 +22,20 @@
#include "xfs_bmap.h"
#include "xfs_trace.h"
#include "xfs_error.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
kmem_zone_t *xfs_efi_zone;
kmem_zone_t *xfs_efd_zone;
+static const struct xfs_item_ops xfs_efi_item_ops;
+
static inline struct xfs_efi_log_item *EFI_ITEM(struct xfs_log_item *lip)
{
return container_of(lip, struct xfs_efi_log_item, efi_item);
}
-void
+STATIC void
xfs_efi_item_free(
struct xfs_efi_log_item *efip)
{
@@ -49,13 +53,13 @@ xfs_efi_item_free(
* committed vs unpin operations in bulk insert operations. Hence the reference
* count to ensure only the last caller frees the EFI.
*/
-void
+STATIC void
xfs_efi_release(
struct xfs_efi_log_item *efip)
{
ASSERT(atomic_read(&efip->efi_refcount) > 0);
if (atomic_dec_and_test(&efip->efi_refcount)) {
- xfs_trans_ail_remove(&efip->efi_item, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(&efip->efi_item, SHUTDOWN_LOG_IO_ERROR);
xfs_efi_item_free(efip);
}
}
@@ -139,18 +143,10 @@ xfs_efi_item_release(
xfs_efi_release(EFI_ITEM(lip));
}
-static const struct xfs_item_ops xfs_efi_item_ops = {
- .iop_size = xfs_efi_item_size,
- .iop_format = xfs_efi_item_format,
- .iop_unpin = xfs_efi_item_unpin,
- .iop_release = xfs_efi_item_release,
-};
-
-
/*
* Allocate and initialize an efi item with the given number of extents.
*/
-struct xfs_efi_log_item *
+STATIC struct xfs_efi_log_item *
xfs_efi_init(
struct xfs_mount *mp,
uint nextents)
@@ -161,7 +157,7 @@ xfs_efi_init(
ASSERT(nextents > 0);
if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
- size = (uint)(sizeof(xfs_efi_log_item_t) +
+ size = (uint)(sizeof(struct xfs_efi_log_item) +
((nextents - 1) * sizeof(xfs_extent_t)));
efip = kmem_zalloc(size, 0);
} else {
@@ -184,7 +180,7 @@ xfs_efi_init(
* one of which will be the native format for this kernel.
* It will handle the conversion of formats if necessary.
*/
-int
+STATIC int
xfs_efi_copy_format(xfs_log_iovec_t *buf, xfs_efi_log_format_t *dst_efi_fmt)
{
xfs_efi_log_format_t *src_efi_fmt = buf->i_addr;
@@ -412,41 +408,16 @@ xfs_extent_free_diff_items(
XFS_FSB_TO_AGNO(mp, rb->xefi_startblock);
}
-/* Get an EFI. */
-STATIC void *
-xfs_extent_free_create_intent(
- struct xfs_trans *tp,
- unsigned int count)
-{
- struct xfs_efi_log_item *efip;
-
- ASSERT(tp != NULL);
- ASSERT(count > 0);
-
- efip = xfs_efi_init(tp->t_mountp, count);
- ASSERT(efip != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &efip->efi_item);
- return efip;
-}
-
/* Log a free extent to the intent item. */
STATIC void
xfs_extent_free_log_item(
struct xfs_trans *tp,
- void *intent,
- struct list_head *item)
+ struct xfs_efi_log_item *efip,
+ struct xfs_extent_free_item *free)
{
- struct xfs_efi_log_item *efip = intent;
- struct xfs_extent_free_item *free;
uint next_extent;
struct xfs_extent *extp;
- free = container_of(item, struct xfs_extent_free_item, xefi_list);
-
tp->t_flags |= XFS_TRANS_DIRTY;
set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
@@ -462,29 +433,50 @@ xfs_extent_free_log_item(
extp->ext_len = free->xefi_blockcount;
}
+static struct xfs_log_item *
+xfs_extent_free_create_intent(
+ struct xfs_trans *tp,
+ struct list_head *items,
+ unsigned int count,
+ bool sort)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_efi_log_item *efip = xfs_efi_init(mp, count);
+ struct xfs_extent_free_item *free;
+
+ ASSERT(count > 0);
+
+ xfs_trans_add_item(tp, &efip->efi_item);
+ if (sort)
+ list_sort(mp, items, xfs_extent_free_diff_items);
+ list_for_each_entry(free, items, xefi_list)
+ xfs_extent_free_log_item(tp, efip, free);
+ return &efip->efi_item;
+}
+
/* Get an EFD so we can process all the free extents. */
-STATIC void *
+static struct xfs_log_item *
xfs_extent_free_create_done(
struct xfs_trans *tp,
- void *intent,
+ struct xfs_log_item *intent,
unsigned int count)
{
- return xfs_trans_get_efd(tp, intent, count);
+ return &xfs_trans_get_efd(tp, EFI_ITEM(intent), count)->efd_item;
}
/* Process a free extent. */
STATIC int
xfs_extent_free_finish_item(
struct xfs_trans *tp,
+ struct xfs_log_item *done,
struct list_head *item,
- void *done_item,
- void **state)
+ struct xfs_btree_cur **state)
{
struct xfs_extent_free_item *free;
int error;
free = container_of(item, struct xfs_extent_free_item, xefi_list);
- error = xfs_trans_free_extent(tp, done_item,
+ error = xfs_trans_free_extent(tp, EFD_ITEM(done),
free->xefi_startblock,
free->xefi_blockcount,
&free->xefi_oinfo, free->xefi_skip_discard);
@@ -495,9 +487,9 @@ xfs_extent_free_finish_item(
/* Abort all pending EFIs. */
STATIC void
xfs_extent_free_abort_intent(
- void *intent)
+ struct xfs_log_item *intent)
{
- xfs_efi_release(intent);
+ xfs_efi_release(EFI_ITEM(intent));
}
/* Cancel a free extent. */
@@ -513,10 +505,8 @@ xfs_extent_free_cancel_item(
const struct xfs_defer_op_type xfs_extent_free_defer_type = {
.max_items = XFS_EFI_MAX_FAST_EXTENTS,
- .diff_items = xfs_extent_free_diff_items,
.create_intent = xfs_extent_free_create_intent,
.abort_intent = xfs_extent_free_abort_intent,
- .log_item = xfs_extent_free_log_item,
.create_done = xfs_extent_free_create_done,
.finish_item = xfs_extent_free_finish_item,
.cancel_item = xfs_extent_free_cancel_item,
@@ -529,12 +519,12 @@ const struct xfs_defer_op_type xfs_extent_free_defer_type = {
STATIC int
xfs_agfl_free_finish_item(
struct xfs_trans *tp,
+ struct xfs_log_item *done,
struct list_head *item,
- void *done_item,
- void **state)
+ struct xfs_btree_cur **state)
{
struct xfs_mount *mp = tp->t_mountp;
- struct xfs_efd_log_item *efdp = done_item;
+ struct xfs_efd_log_item *efdp = EFD_ITEM(done);
struct xfs_extent_free_item *free;
struct xfs_extent *extp;
struct xfs_buf *agbp;
@@ -579,10 +569,8 @@ xfs_agfl_free_finish_item(
/* sub-type with special handling for AGFL deferred frees */
const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
.max_items = XFS_EFI_MAX_FAST_EXTENTS,
- .diff_items = xfs_extent_free_diff_items,
.create_intent = xfs_extent_free_create_intent,
.abort_intent = xfs_extent_free_abort_intent,
- .log_item = xfs_extent_free_log_item,
.create_done = xfs_extent_free_create_done,
.finish_item = xfs_agfl_free_finish_item,
.cancel_item = xfs_extent_free_cancel_item,
@@ -592,19 +580,19 @@ const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
* Process an extent free intent item that was recovered from
* the log. We need to free the extents that it describes.
*/
-int
-xfs_efi_recover(
- struct xfs_mount *mp,
- struct xfs_efi_log_item *efip)
+STATIC int
+xfs_efi_item_recover(
+ struct xfs_log_item *lip,
+ struct xfs_trans *parent_tp)
{
- struct xfs_efd_log_item *efdp;
- struct xfs_trans *tp;
- int i;
- int error = 0;
- xfs_extent_t *extp;
- xfs_fsblock_t startblock_fsb;
-
- ASSERT(!test_bit(XFS_EFI_RECOVERED, &efip->efi_flags));
+ struct xfs_efi_log_item *efip = EFI_ITEM(lip);
+ struct xfs_mount *mp = parent_tp->t_mountp;
+ struct xfs_efd_log_item *efdp;
+ struct xfs_trans *tp;
+ struct xfs_extent *extp;
+ xfs_fsblock_t startblock_fsb;
+ int i;
+ int error = 0;
/*
* First check the validity of the extents described by the
@@ -623,7 +611,6 @@ xfs_efi_recover(
* This will pull the EFI from the AIL and
* free the memory associated with it.
*/
- set_bit(XFS_EFI_RECOVERED, &efip->efi_flags);
xfs_efi_release(efip);
return -EFSCORRUPTED;
}
@@ -644,7 +631,6 @@ xfs_efi_recover(
}
- set_bit(XFS_EFI_RECOVERED, &efip->efi_flags);
error = xfs_trans_commit(tp);
return error;
@@ -652,3 +638,93 @@ abort_error:
xfs_trans_cancel(tp);
return error;
}
+
+STATIC bool
+xfs_efi_item_match(
+ struct xfs_log_item *lip,
+ uint64_t intent_id)
+{
+ return EFI_ITEM(lip)->efi_format.efi_id == intent_id;
+}
+
+static const struct xfs_item_ops xfs_efi_item_ops = {
+ .iop_size = xfs_efi_item_size,
+ .iop_format = xfs_efi_item_format,
+ .iop_unpin = xfs_efi_item_unpin,
+ .iop_release = xfs_efi_item_release,
+ .iop_recover = xfs_efi_item_recover,
+ .iop_match = xfs_efi_item_match,
+};
+
+/*
+ * This routine is called to create an in-core extent free intent
+ * item from the efi format structure which was logged on disk.
+ * It allocates an in-core efi, copies the extents from the format
+ * structure into it, and adds the efi to the AIL with the given
+ * LSN.
+ */
+STATIC int
+xlog_recover_efi_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_efi_log_item *efip;
+ struct xfs_efi_log_format *efi_formatp;
+ int error;
+
+ efi_formatp = item->ri_buf[0].i_addr;
+
+ efip = xfs_efi_init(mp, efi_formatp->efi_nextents);
+ error = xfs_efi_copy_format(&item->ri_buf[0], &efip->efi_format);
+ if (error) {
+ xfs_efi_item_free(efip);
+ return error;
+ }
+ atomic_set(&efip->efi_next_extent, efi_formatp->efi_nextents);
+ /*
+ * Insert the intent into the AIL directly and drop one reference so
+ * that finishing or canceling the work will drop the other.
+ */
+ xfs_trans_ail_insert(log->l_ailp, &efip->efi_item, lsn);
+ xfs_efi_release(efip);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_efi_item_ops = {
+ .item_type = XFS_LI_EFI,
+ .commit_pass2 = xlog_recover_efi_commit_pass2,
+};
+
+/*
+ * This routine is called when an EFD format structure is found in a committed
+ * transaction in the log. Its purpose is to cancel the corresponding EFI if it
+ * was still in the log. To do this it searches the AIL for the EFI with an id
+ * equal to that in the EFD format structure. If we find it we drop the EFD
+ * reference, which removes the EFI from the AIL and frees it.
+ */
+STATIC int
+xlog_recover_efd_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_efd_log_format *efd_formatp;
+
+ efd_formatp = item->ri_buf[0].i_addr;
+ ASSERT((item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_32_t) +
+ ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_32_t)))) ||
+ (item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_64_t) +
+ ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_64_t)))));
+
+ xlog_recover_release_intent(log, XFS_LI_EFI, efd_formatp->efd_efi_id);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_efd_item_ops = {
+ .item_type = XFS_LI_EFD,
+ .commit_pass2 = xlog_recover_efd_commit_pass2,
+};
diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h
index 16aaab06d4ec..cd2860c875bf 100644
--- a/fs/xfs/xfs_extfree_item.h
+++ b/fs/xfs/xfs_extfree_item.h
@@ -17,11 +17,6 @@ struct kmem_zone;
#define XFS_EFI_MAX_FAST_EXTENTS 16
/*
- * Define EFI flag bits. Manipulated by set/clear/test_bit operators.
- */
-#define XFS_EFI_RECOVERED 1
-
-/*
* This is the "extent free intention" log item. It is used to log the fact
* that some extents need to be free. It is used in conjunction with the
* "extent free done" log item described below.
@@ -50,25 +45,24 @@ struct kmem_zone;
* of commit failure or log I/O errors. Note that the EFD is not inserted in the
* AIL, so at this point both the EFI and EFD are freed.
*/
-typedef struct xfs_efi_log_item {
+struct xfs_efi_log_item {
struct xfs_log_item efi_item;
atomic_t efi_refcount;
atomic_t efi_next_extent;
- unsigned long efi_flags; /* misc flags */
xfs_efi_log_format_t efi_format;
-} xfs_efi_log_item_t;
+};
/*
* This is the "extent free done" log item. It is used to log
* the fact that some extents earlier mentioned in an efi item
* have been freed.
*/
-typedef struct xfs_efd_log_item {
+struct xfs_efd_log_item {
struct xfs_log_item efd_item;
- xfs_efi_log_item_t *efd_efip;
+ struct xfs_efi_log_item *efd_efip;
uint efd_next_extent;
xfs_efd_log_format_t efd_format;
-} xfs_efd_log_item_t;
+};
/*
* Max number of extents in fast allocation path.
@@ -78,13 +72,4 @@ typedef struct xfs_efd_log_item {
extern struct kmem_zone *xfs_efi_zone;
extern struct kmem_zone *xfs_efd_zone;
-xfs_efi_log_item_t *xfs_efi_init(struct xfs_mount *, uint);
-int xfs_efi_copy_format(xfs_log_iovec_t *buf,
- xfs_efi_log_format_t *dst_efi_fmt);
-void xfs_efi_item_free(xfs_efi_log_item_t *);
-void xfs_efi_release(struct xfs_efi_log_item *);
-
-int xfs_efi_recover(struct xfs_mount *mp,
- struct xfs_efi_log_item *efip);
-
#endif /* __XFS_EXTFREE_ITEM_H__ */
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 4b8bdecc3863..403c90309a8f 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -1102,7 +1102,7 @@ xfs_dir_open(
* certain to have the next operation be a read there.
*/
mode = xfs_ilock_data_map_shared(ip);
- if (ip->i_d.di_nextents > 0)
+ if (ip->i_df.if_nextents > 0)
error = xfs_dir3_data_readahead(ip, 0, 0);
xfs_iunlock(ip, mode);
return error;
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 3e61d0cc23f8..ef1d5bb88b93 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -504,10 +504,7 @@ xfs_do_force_shutdown(
} else if (logerror) {
xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_LOGERROR,
"Log I/O Error Detected. Shutting down filesystem");
- } else if (flags & SHUTDOWN_DEVICE_REQ) {
- xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
- "All device paths lost. Shutting down filesystem");
- } else if (!(flags & SHUTDOWN_REMOTE_REQ)) {
+ } else {
xfs_alert_tag(mp, XFS_PTAG_SHUTDOWN_IOERROR,
"I/O Error Detected. Shutting down filesystem");
}
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 8bf1d15be3f6..5daef654956c 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -22,6 +22,7 @@
#include "xfs_dquot_item.h"
#include "xfs_dquot.h"
#include "xfs_reflink.h"
+#include "xfs_ialloc.h"
#include <linux/iversion.h>
@@ -62,8 +63,6 @@ xfs_inode_alloc(
memset(&ip->i_imap, 0, sizeof(struct xfs_imap));
ip->i_afp = NULL;
ip->i_cowfp = NULL;
- ip->i_cnextents = 0;
- ip->i_cformat = XFS_DINODE_FMT_EXTENTS;
memset(&ip->i_df, 0, sizeof(ip->i_df));
ip->i_flags = 0;
ip->i_delayed_blks = 0;
@@ -88,15 +87,18 @@ xfs_inode_free_callback(
case S_IFREG:
case S_IFDIR:
case S_IFLNK:
- xfs_idestroy_fork(ip, XFS_DATA_FORK);
+ xfs_idestroy_fork(&ip->i_df);
break;
}
- if (ip->i_afp)
- xfs_idestroy_fork(ip, XFS_ATTR_FORK);
- if (ip->i_cowfp)
- xfs_idestroy_fork(ip, XFS_COW_FORK);
-
+ if (ip->i_afp) {
+ xfs_idestroy_fork(ip->i_afp);
+ kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+ }
+ if (ip->i_cowfp) {
+ xfs_idestroy_fork(ip->i_cowfp);
+ kmem_cache_free(xfs_ifork_zone, ip->i_cowfp);
+ }
if (ip->i_itemp) {
ASSERT(!test_bit(XFS_LI_IN_AIL,
&ip->i_itemp->ili_item.li_flags));
@@ -423,6 +425,7 @@ xfs_iget_cache_hit(
spin_unlock(&ip->i_flags_lock);
rcu_read_unlock();
+ ASSERT(!rwsem_is_locked(&inode->i_rwsem));
error = xfs_reinit_inode(mp, inode);
if (error) {
bool wake;
@@ -456,9 +459,6 @@ xfs_iget_cache_hit(
ip->i_sick = 0;
ip->i_checked = 0;
- ASSERT(!rwsem_is_locked(&inode->i_rwsem));
- init_rwsem(&inode->i_rwsem);
-
spin_unlock(&ip->i_flags_lock);
spin_unlock(&pag->pag_ici_lock);
} else {
@@ -479,7 +479,7 @@ xfs_iget_cache_hit(
xfs_ilock(ip, lock_flags);
if (!(flags & XFS_IGET_INCORE))
- xfs_iflags_clear(ip, XFS_ISTALE | XFS_IDONTCACHE);
+ xfs_iflags_clear(ip, XFS_ISTALE);
XFS_STATS_INC(mp, xs_ig_found);
return 0;
@@ -510,18 +510,42 @@ xfs_iget_cache_miss(
if (!ip)
return -ENOMEM;
- error = xfs_iread(mp, tp, ip, flags);
+ error = xfs_imap(mp, tp, ip->i_ino, &ip->i_imap, flags);
if (error)
goto out_destroy;
- if (!xfs_inode_verify_forks(ip)) {
- error = -EFSCORRUPTED;
- goto out_destroy;
+ /*
+ * For version 5 superblocks, if we are initialising a new inode and we
+ * are not utilising the XFS_MOUNT_IKEEP inode cluster mode, we can
+ * simply build the new inode core with a random generation number.
+ *
+ * For version 4 (and older) superblocks, log recovery is dependent on
+ * the di_flushiter field being initialised from the current on-disk
+ * value and hence we must also read the inode off disk even when
+ * initializing new inodes.
+ */
+ if (xfs_sb_version_has_v3inode(&mp->m_sb) &&
+ (flags & XFS_IGET_CREATE) && !(mp->m_flags & XFS_MOUNT_IKEEP)) {
+ VFS_I(ip)->i_generation = prandom_u32();
+ } else {
+ struct xfs_dinode *dip;
+ struct xfs_buf *bp;
+
+ error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &dip, &bp, 0);
+ if (error)
+ goto out_destroy;
+
+ error = xfs_inode_from_disk(ip, dip);
+ if (!error)
+ xfs_buf_set_ref(bp, XFS_INO_REF);
+ xfs_trans_brelse(tp, bp);
+
+ if (error)
+ goto out_destroy;
}
trace_xfs_iget_miss(ip);
-
/*
* Check the inode free state is valid. This also detects lookup
* racing with unlinks.
@@ -561,7 +585,7 @@ xfs_iget_cache_miss(
*/
iflags = XFS_INEW;
if (flags & XFS_IGET_DONTCACHE)
- iflags |= XFS_IDONTCACHE;
+ d_mark_dontcache(VFS_I(ip));
ip->i_udquot = NULL;
ip->i_gdquot = NULL;
ip->i_pdquot = NULL;
@@ -737,13 +761,18 @@ xfs_icache_inode_is_allocated(
*/
#define XFS_LOOKUP_BATCH 32
-STATIC int
-xfs_inode_ag_walk_grab(
+/*
+ * Decide if the given @ip is eligible to be a part of the inode walk, and
+ * grab it if so. Returns true if it's ready to go or false if we should just
+ * ignore it.
+ */
+STATIC bool
+xfs_inode_walk_ag_grab(
struct xfs_inode *ip,
int flags)
{
struct inode *inode = VFS_I(ip);
- bool newinos = !!(flags & XFS_AGITER_INEW_WAIT);
+ bool newinos = !!(flags & XFS_INODE_WALK_INEW_WAIT);
ASSERT(rcu_read_lock_held());
@@ -768,39 +797,41 @@ xfs_inode_ag_walk_grab(
/* nothing to sync during shutdown */
if (XFS_FORCED_SHUTDOWN(ip->i_mount))
- return -EFSCORRUPTED;
+ return false;
/* If we can't grab the inode, it must on it's way to reclaim. */
if (!igrab(inode))
- return -ENOENT;
+ return false;
/* inode is valid */
- return 0;
+ return true;
out_unlock_noent:
spin_unlock(&ip->i_flags_lock);
- return -ENOENT;
+ return false;
}
+/*
+ * For a given per-AG structure @pag, grab, @execute, and rele all incore
+ * inodes with the given radix tree @tag.
+ */
STATIC int
-xfs_inode_ag_walk(
- struct xfs_mount *mp,
+xfs_inode_walk_ag(
struct xfs_perag *pag,
- int (*execute)(struct xfs_inode *ip, int flags,
- void *args),
- int flags,
+ int iter_flags,
+ int (*execute)(struct xfs_inode *ip, void *args),
void *args,
- int tag,
- int iter_flags)
+ int tag)
{
+ struct xfs_mount *mp = pag->pag_mount;
uint32_t first_index;
int last_error = 0;
int skipped;
- int done;
+ bool done;
int nr_found;
restart:
- done = 0;
+ done = false;
skipped = 0;
first_index = 0;
nr_found = 0;
@@ -811,7 +842,7 @@ restart:
rcu_read_lock();
- if (tag == -1)
+ if (tag == XFS_ICI_NO_TAG)
nr_found = radix_tree_gang_lookup(&pag->pag_ici_root,
(void **)batch, first_index,
XFS_LOOKUP_BATCH);
@@ -833,7 +864,7 @@ restart:
for (i = 0; i < nr_found; i++) {
struct xfs_inode *ip = batch[i];
- if (done || xfs_inode_ag_walk_grab(ip, iter_flags))
+ if (done || !xfs_inode_walk_ag_grab(ip, iter_flags))
batch[i] = NULL;
/*
@@ -852,7 +883,7 @@ restart:
continue;
first_index = XFS_INO_TO_AGINO(mp, ip->i_ino + 1);
if (first_index < XFS_INO_TO_AGINO(mp, ip->i_ino))
- done = 1;
+ done = true;
}
/* unlock now we've grabbed the inodes. */
@@ -861,10 +892,10 @@ restart:
for (i = 0; i < nr_found; i++) {
if (!batch[i])
continue;
- if ((iter_flags & XFS_AGITER_INEW_WAIT) &&
+ if ((iter_flags & XFS_INODE_WALK_INEW_WAIT) &&
xfs_iflags_test(batch[i], XFS_INEW))
xfs_inew_wait(batch[i]);
- error = execute(batch[i], flags, args);
+ error = execute(batch[i], args);
xfs_irele(batch[i]);
if (error == -EAGAIN) {
skipped++;
@@ -889,6 +920,49 @@ restart:
return last_error;
}
+/* Fetch the next (possibly tagged) per-AG structure. */
+static inline struct xfs_perag *
+xfs_inode_walk_get_perag(
+ struct xfs_mount *mp,
+ xfs_agnumber_t agno,
+ int tag)
+{
+ if (tag == XFS_ICI_NO_TAG)
+ return xfs_perag_get(mp, agno);
+ return xfs_perag_get_tag(mp, agno, tag);
+}
+
+/*
+ * Call the @execute function on all incore inodes matching the radix tree
+ * @tag.
+ */
+int
+xfs_inode_walk(
+ struct xfs_mount *mp,
+ int iter_flags,
+ int (*execute)(struct xfs_inode *ip, void *args),
+ void *args,
+ int tag)
+{
+ struct xfs_perag *pag;
+ int error = 0;
+ int last_error = 0;
+ xfs_agnumber_t ag;
+
+ ag = 0;
+ while ((pag = xfs_inode_walk_get_perag(mp, ag, tag))) {
+ ag = pag->pag_agno + 1;
+ error = xfs_inode_walk_ag(pag, iter_flags, execute, args, tag);
+ xfs_perag_put(pag);
+ if (error) {
+ last_error = error;
+ if (error == -EFSCORRUPTED)
+ break;
+ }
+ }
+ return last_error;
+}
+
/*
* Background scanning to trim post-EOF preallocated space. This is queued
* based on the 'speculative_prealloc_lifetime' tunable (5m by default).
@@ -952,75 +1026,6 @@ xfs_cowblocks_worker(
xfs_queue_cowblocks(mp);
}
-int
-xfs_inode_ag_iterator_flags(
- struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags,
- void *args),
- int flags,
- void *args,
- int iter_flags)
-{
- struct xfs_perag *pag;
- int error = 0;
- int last_error = 0;
- xfs_agnumber_t ag;
-
- ag = 0;
- while ((pag = xfs_perag_get(mp, ag))) {
- ag = pag->pag_agno + 1;
- error = xfs_inode_ag_walk(mp, pag, execute, flags, args, -1,
- iter_flags);
- xfs_perag_put(pag);
- if (error) {
- last_error = error;
- if (error == -EFSCORRUPTED)
- break;
- }
- }
- return last_error;
-}
-
-int
-xfs_inode_ag_iterator(
- struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags,
- void *args),
- int flags,
- void *args)
-{
- return xfs_inode_ag_iterator_flags(mp, execute, flags, args, 0);
-}
-
-int
-xfs_inode_ag_iterator_tag(
- struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags,
- void *args),
- int flags,
- void *args,
- int tag)
-{
- struct xfs_perag *pag;
- int error = 0;
- int last_error = 0;
- xfs_agnumber_t ag;
-
- ag = 0;
- while ((pag = xfs_perag_get_tag(mp, ag, tag))) {
- ag = pag->pag_agno + 1;
- error = xfs_inode_ag_walk(mp, pag, execute, flags, args, tag,
- 0);
- xfs_perag_put(pag);
- if (error) {
- last_error = error;
- if (error == -EFSCORRUPTED)
- break;
- }
- }
- return last_error;
-}
-
/*
* Grab the inode for reclaim exclusively.
* Return 0 if we grabbed it, non-zero otherwise.
@@ -1128,7 +1133,7 @@ restart:
if (XFS_FORCED_SHUTDOWN(ip->i_mount)) {
xfs_iunpin_wait(ip);
/* xfs_iflush_abort() drops the flush lock */
- xfs_iflush_abort(ip, false);
+ xfs_iflush_abort(ip);
goto reclaim;
}
if (xfs_ipincount(ip)) {
@@ -1419,59 +1424,90 @@ xfs_reclaim_inodes_count(
return reclaimable;
}
-STATIC int
+STATIC bool
xfs_inode_match_id(
struct xfs_inode *ip,
struct xfs_eofblocks *eofb)
{
if ((eofb->eof_flags & XFS_EOF_FLAGS_UID) &&
!uid_eq(VFS_I(ip)->i_uid, eofb->eof_uid))
- return 0;
+ return false;
if ((eofb->eof_flags & XFS_EOF_FLAGS_GID) &&
!gid_eq(VFS_I(ip)->i_gid, eofb->eof_gid))
- return 0;
+ return false;
if ((eofb->eof_flags & XFS_EOF_FLAGS_PRID) &&
ip->i_d.di_projid != eofb->eof_prid)
- return 0;
+ return false;
- return 1;
+ return true;
}
/*
* A union-based inode filtering algorithm. Process the inode if any of the
* criteria match. This is for global/internal scans only.
*/
-STATIC int
+STATIC bool
xfs_inode_match_id_union(
struct xfs_inode *ip,
struct xfs_eofblocks *eofb)
{
if ((eofb->eof_flags & XFS_EOF_FLAGS_UID) &&
uid_eq(VFS_I(ip)->i_uid, eofb->eof_uid))
- return 1;
+ return true;
if ((eofb->eof_flags & XFS_EOF_FLAGS_GID) &&
gid_eq(VFS_I(ip)->i_gid, eofb->eof_gid))
- return 1;
+ return true;
if ((eofb->eof_flags & XFS_EOF_FLAGS_PRID) &&
ip->i_d.di_projid == eofb->eof_prid)
- return 1;
+ return true;
- return 0;
+ return false;
+}
+
+/*
+ * Is this inode @ip eligible for eof/cow block reclamation, given some
+ * filtering parameters @eofb? The inode is eligible if @eofb is null or
+ * if the predicate functions match.
+ */
+static bool
+xfs_inode_matches_eofb(
+ struct xfs_inode *ip,
+ struct xfs_eofblocks *eofb)
+{
+ bool match;
+
+ if (!eofb)
+ return true;
+
+ if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
+ match = xfs_inode_match_id_union(ip, eofb);
+ else
+ match = xfs_inode_match_id(ip, eofb);
+ if (!match)
+ return false;
+
+ /* skip the inode if the file size is too small */
+ if ((eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE) &&
+ XFS_ISIZE(ip) < eofb->eof_min_file_size)
+ return false;
+
+ return true;
}
STATIC int
xfs_inode_free_eofblocks(
struct xfs_inode *ip,
- int flags,
void *args)
{
- int ret = 0;
- struct xfs_eofblocks *eofb = args;
- int match;
+ struct xfs_eofblocks *eofb = args;
+ bool wait;
+ int ret;
+
+ wait = eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC);
if (!xfs_can_free_eofblocks(ip, false)) {
/* inode could be preallocated or append-only */
@@ -1484,62 +1520,34 @@ xfs_inode_free_eofblocks(
* If the mapping is dirty the operation can block and wait for some
* time. Unless we are waiting, skip it.
*/
- if (!(flags & SYNC_WAIT) &&
- mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY))
+ if (!wait && mapping_tagged(VFS_I(ip)->i_mapping, PAGECACHE_TAG_DIRTY))
return 0;
- if (eofb) {
- if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
- match = xfs_inode_match_id_union(ip, eofb);
- else
- match = xfs_inode_match_id(ip, eofb);
- if (!match)
- return 0;
-
- /* skip the inode if the file size is too small */
- if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE &&
- XFS_ISIZE(ip) < eofb->eof_min_file_size)
- return 0;
- }
+ if (!xfs_inode_matches_eofb(ip, eofb))
+ return 0;
/*
* If the caller is waiting, return -EAGAIN to keep the background
* scanner moving and revisit the inode in a subsequent pass.
*/
if (!xfs_ilock_nowait(ip, XFS_IOLOCK_EXCL)) {
- if (flags & SYNC_WAIT)
- ret = -EAGAIN;
- return ret;
+ if (wait)
+ return -EAGAIN;
+ return 0;
}
+
ret = xfs_free_eofblocks(ip);
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
return ret;
}
-static int
-__xfs_icache_free_eofblocks(
- struct xfs_mount *mp,
- struct xfs_eofblocks *eofb,
- int (*execute)(struct xfs_inode *ip, int flags,
- void *args),
- int tag)
-{
- int flags = SYNC_TRYLOCK;
-
- if (eofb && (eofb->eof_flags & XFS_EOF_FLAGS_SYNC))
- flags = SYNC_WAIT;
-
- return xfs_inode_ag_iterator_tag(mp, execute, flags,
- eofb, tag);
-}
-
int
xfs_icache_free_eofblocks(
struct xfs_mount *mp,
struct xfs_eofblocks *eofb)
{
- return __xfs_icache_free_eofblocks(mp, eofb, xfs_inode_free_eofblocks,
+ return xfs_inode_walk(mp, 0, xfs_inode_free_eofblocks, eofb,
XFS_ICI_EOFBLOCKS_TAG);
}
@@ -1756,29 +1764,16 @@ xfs_prep_free_cowblocks(
STATIC int
xfs_inode_free_cowblocks(
struct xfs_inode *ip,
- int flags,
void *args)
{
struct xfs_eofblocks *eofb = args;
- int match;
int ret = 0;
if (!xfs_prep_free_cowblocks(ip))
return 0;
- if (eofb) {
- if (eofb->eof_flags & XFS_EOF_FLAGS_UNION)
- match = xfs_inode_match_id_union(ip, eofb);
- else
- match = xfs_inode_match_id(ip, eofb);
- if (!match)
- return 0;
-
- /* skip the inode if the file size is too small */
- if (eofb->eof_flags & XFS_EOF_FLAGS_MINFILESIZE &&
- XFS_ISIZE(ip) < eofb->eof_min_file_size)
- return 0;
- }
+ if (!xfs_inode_matches_eofb(ip, eofb))
+ return 0;
/* Free the CoW blocks */
xfs_ilock(ip, XFS_IOLOCK_EXCL);
@@ -1802,7 +1797,7 @@ xfs_icache_free_cowblocks(
struct xfs_mount *mp,
struct xfs_eofblocks *eofb)
{
- return __xfs_icache_free_eofblocks(mp, eofb, xfs_inode_free_cowblocks,
+ return xfs_inode_walk(mp, 0, xfs_inode_free_cowblocks, eofb,
XFS_ICI_COWBLOCKS_TAG);
}
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
index 48f1fd2bb6ad..93b54e7d55f0 100644
--- a/fs/xfs/xfs_icache.h
+++ b/fs/xfs/xfs_icache.h
@@ -24,7 +24,7 @@ struct xfs_eofblocks {
* tags for inode radix tree
*/
#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
- in xfs_inode_ag_iterator */
+ in xfs_inode_walk */
#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
#define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */
@@ -40,7 +40,7 @@ struct xfs_eofblocks {
/*
* flags for AG inode iterator
*/
-#define XFS_AGITER_INEW_WAIT 0x1 /* wait on new inodes */
+#define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */
int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
uint flags, uint lock_flags, xfs_inode_t **ipp);
@@ -71,50 +71,9 @@ int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
void xfs_cowblocks_worker(struct work_struct *);
void xfs_queue_cowblocks(struct xfs_mount *);
-int xfs_inode_ag_iterator(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args);
-int xfs_inode_ag_iterator_flags(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args, int iter_flags);
-int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args, int tag);
-
-static inline int
-xfs_fs_eofblocks_from_user(
- struct xfs_fs_eofblocks *src,
- struct xfs_eofblocks *dst)
-{
- if (src->eof_version != XFS_EOFBLOCKS_VERSION)
- return -EINVAL;
-
- if (src->eof_flags & ~XFS_EOF_FLAGS_VALID)
- return -EINVAL;
-
- if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) ||
- memchr_inv(src->pad64, 0, sizeof(src->pad64)))
- return -EINVAL;
-
- dst->eof_flags = src->eof_flags;
- dst->eof_prid = src->eof_prid;
- dst->eof_min_file_size = src->eof_min_file_size;
-
- dst->eof_uid = INVALID_UID;
- if (src->eof_flags & XFS_EOF_FLAGS_UID) {
- dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid);
- if (!uid_valid(dst->eof_uid))
- return -EINVAL;
- }
-
- dst->eof_gid = INVALID_GID;
- if (src->eof_flags & XFS_EOF_FLAGS_GID) {
- dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid);
- if (!gid_valid(dst->eof_gid))
- return -EINVAL;
- }
- return 0;
-}
+int xfs_inode_walk(struct xfs_mount *mp, int iter_flags,
+ int (*execute)(struct xfs_inode *ip, void *args),
+ void *args, int tag);
int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
xfs_ino_t ino, bool *inuse);
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 490fee22b878..287a9e5c7d75 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -6,11 +6,19 @@
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_shared.h"
+#include "xfs_format.h"
#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_trans_priv.h"
#include "xfs_icreate_item.h"
#include "xfs_log.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
+#include "xfs_ialloc.h"
+#include "xfs_trace.h"
kmem_zone_t *xfs_icreate_zone; /* inode create item zone */
@@ -107,3 +115,147 @@ xfs_icreate_log(
tp->t_flags |= XFS_TRANS_DIRTY;
set_bit(XFS_LI_DIRTY, &icp->ic_item.li_flags);
}
+
+static enum xlog_recover_reorder
+xlog_recover_icreate_reorder(
+ struct xlog_recover_item *item)
+{
+ /*
+ * Inode allocation buffers must be replayed before subsequent inode
+ * items try to modify those buffers. ICREATE items are the logical
+ * equivalent of logging a newly initialized inode buffer, so recover
+ * these at the same time that we recover logged buffers.
+ */
+ return XLOG_REORDER_BUFFER_LIST;
+}
+
+/*
+ * This routine is called when an inode create format structure is found in a
+ * committed transaction in the log. It's purpose is to initialise the inodes
+ * being allocated on disk. This requires us to get inode cluster buffers that
+ * match the range to be initialised, stamped with inode templates and written
+ * by delayed write so that subsequent modifications will hit the cached buffer
+ * and only need writing out at the end of recovery.
+ */
+STATIC int
+xlog_recover_icreate_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_icreate_log *icl;
+ struct xfs_ino_geometry *igeo = M_IGEO(mp);
+ xfs_agnumber_t agno;
+ xfs_agblock_t agbno;
+ unsigned int count;
+ unsigned int isize;
+ xfs_agblock_t length;
+ int bb_per_cluster;
+ int cancel_count;
+ int nbufs;
+ int i;
+
+ icl = (struct xfs_icreate_log *)item->ri_buf[0].i_addr;
+ if (icl->icl_type != XFS_LI_ICREATE) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad type");
+ return -EINVAL;
+ }
+
+ if (icl->icl_size != 1) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad icl size");
+ return -EINVAL;
+ }
+
+ agno = be32_to_cpu(icl->icl_ag);
+ if (agno >= mp->m_sb.sb_agcount) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agno");
+ return -EINVAL;
+ }
+ agbno = be32_to_cpu(icl->icl_agbno);
+ if (!agbno || agbno == NULLAGBLOCK || agbno >= mp->m_sb.sb_agblocks) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agbno");
+ return -EINVAL;
+ }
+ isize = be32_to_cpu(icl->icl_isize);
+ if (isize != mp->m_sb.sb_inodesize) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad isize");
+ return -EINVAL;
+ }
+ count = be32_to_cpu(icl->icl_count);
+ if (!count) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count");
+ return -EINVAL;
+ }
+ length = be32_to_cpu(icl->icl_length);
+ if (!length || length >= mp->m_sb.sb_agblocks) {
+ xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad length");
+ return -EINVAL;
+ }
+
+ /*
+ * The inode chunk is either full or sparse and we only support
+ * m_ino_geo.ialloc_min_blks sized sparse allocations at this time.
+ */
+ if (length != igeo->ialloc_blks &&
+ length != igeo->ialloc_min_blks) {
+ xfs_warn(log->l_mp,
+ "%s: unsupported chunk length", __FUNCTION__);
+ return -EINVAL;
+ }
+
+ /* verify inode count is consistent with extent length */
+ if ((count >> mp->m_sb.sb_inopblog) != length) {
+ xfs_warn(log->l_mp,
+ "%s: inconsistent inode count and chunk length",
+ __FUNCTION__);
+ return -EINVAL;
+ }
+
+ /*
+ * The icreate transaction can cover multiple cluster buffers and these
+ * buffers could have been freed and reused. Check the individual
+ * buffers for cancellation so we don't overwrite anything written after
+ * a cancellation.
+ */
+ bb_per_cluster = XFS_FSB_TO_BB(mp, igeo->blocks_per_cluster);
+ nbufs = length / igeo->blocks_per_cluster;
+ for (i = 0, cancel_count = 0; i < nbufs; i++) {
+ xfs_daddr_t daddr;
+
+ daddr = XFS_AGB_TO_DADDR(mp, agno,
+ agbno + i * igeo->blocks_per_cluster);
+ if (xlog_is_buffer_cancelled(log, daddr, bb_per_cluster))
+ cancel_count++;
+ }
+
+ /*
+ * We currently only use icreate for a single allocation at a time. This
+ * means we should expect either all or none of the buffers to be
+ * cancelled. Be conservative and skip replay if at least one buffer is
+ * cancelled, but warn the user that something is awry if the buffers
+ * are not consistent.
+ *
+ * XXX: This must be refined to only skip cancelled clusters once we use
+ * icreate for multiple chunk allocations.
+ */
+ ASSERT(!cancel_count || cancel_count == nbufs);
+ if (cancel_count) {
+ if (cancel_count != nbufs)
+ xfs_warn(mp,
+ "WARNING: partial inode chunk cancellation, skipped icreate.");
+ trace_xfs_log_recover_icreate_cancel(log, icl);
+ return 0;
+ }
+
+ trace_xfs_log_recover_icreate_recover(log, icl);
+ return xfs_ialloc_inode_init(mp, NULL, buffer_list, count, agno, agbno,
+ length, be32_to_cpu(icl->icl_gen));
+}
+
+const struct xlog_recover_item_ops xlog_icreate_item_ops = {
+ .item_type = XFS_LI_ICREATE,
+ .reorder = xlog_recover_icreate_reorder,
+ .commit_pass2 = xlog_recover_icreate_commit_pass2,
+};
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d1772786af29..64f5f9a440ae 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -112,7 +112,7 @@ xfs_ilock_data_map_shared(
{
uint lock_mode = XFS_ILOCK_SHARED;
- if (ip->i_d.di_format == XFS_DINODE_FMT_BTREE &&
+ if (ip->i_df.if_format == XFS_DINODE_FMT_BTREE &&
(ip->i_df.if_flags & XFS_IFEXTENTS) == 0)
lock_mode = XFS_ILOCK_EXCL;
xfs_ilock(ip, lock_mode);
@@ -125,7 +125,8 @@ xfs_ilock_attr_map_shared(
{
uint lock_mode = XFS_ILOCK_SHARED;
- if (ip->i_d.di_aformat == XFS_DINODE_FMT_BTREE &&
+ if (ip->i_afp &&
+ ip->i_afp->if_format == XFS_DINODE_FMT_BTREE &&
(ip->i_afp->if_flags & XFS_IFEXTENTS) == 0)
lock_mode = XFS_ILOCK_EXCL;
xfs_ilock(ip, lock_mode);
@@ -825,7 +826,7 @@ xfs_ialloc(
inode->i_mode &= ~S_ISGID;
ip->i_d.di_size = 0;
- ip->i_d.di_nextents = 0;
+ ip->i_df.if_nextents = 0;
ASSERT(ip->i_d.di_nblocks == 0);
tv = current_time(inode);
@@ -851,7 +852,7 @@ xfs_ialloc(
case S_IFCHR:
case S_IFBLK:
case S_IFSOCK:
- ip->i_d.di_format = XFS_DINODE_FMT_DEV;
+ ip->i_df.if_format = XFS_DINODE_FMT_DEV;
ip->i_df.if_flags = 0;
flags |= XFS_ILOG_DEV;
break;
@@ -907,7 +908,7 @@ xfs_ialloc(
}
/* FALLTHROUGH */
case S_IFLNK:
- ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
+ ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS;
ip->i_df.if_flags = XFS_IFEXTENTS;
ip->i_df.if_bytes = 0;
ip->i_df.if_u1.if_root = NULL;
@@ -915,11 +916,6 @@ xfs_ialloc(
default:
ASSERT(0);
}
- /*
- * Attribute fork settings for new inode.
- */
- ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
- ip->i_d.di_anextents = 0;
/*
* Log the new values stuffed into the inode.
@@ -1686,7 +1682,7 @@ xfs_inactive_truncate(
if (error)
goto error_trans_cancel;
- ASSERT(ip->i_d.di_nextents == 0);
+ ASSERT(ip->i_df.if_nextents == 0);
error = xfs_trans_commit(tp);
if (error)
@@ -1836,7 +1832,7 @@ xfs_inactive(
if (S_ISREG(VFS_I(ip)->i_mode) &&
(ip->i_d.di_size != 0 || XFS_ISIZE(ip) != 0 ||
- ip->i_d.di_nextents > 0 || ip->i_delayed_blks > 0))
+ ip->i_df.if_nextents > 0 || ip->i_delayed_blks > 0))
truncate = 1;
error = xfs_qm_dqattach(ip);
@@ -1862,7 +1858,6 @@ xfs_inactive(
}
ASSERT(!ip->i_afp);
- ASSERT(ip->i_d.di_anextents == 0);
ASSERT(ip->i_d.di_forkoff == 0);
/*
@@ -2172,7 +2167,7 @@ xfs_iunlink_update_inode(
ASSERT(xfs_verify_agino_or_null(mp, agno, next_agino));
- error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &dip, &ibp, 0, 0);
+ error = xfs_imap_to_bp(mp, tp, &ip->i_imap, &dip, &ibp, 0);
if (error)
return error;
@@ -2302,7 +2297,7 @@ xfs_iunlink_map_ino(
return error;
}
- error = xfs_imap_to_bp(mp, tp, imap, dipp, bpp, 0, 0);
+ error = xfs_imap_to_bp(mp, tp, imap, dipp, bpp, 0);
if (error) {
xfs_warn(mp, "%s: xfs_imap_to_bp returned error %d.",
__func__, error);
@@ -2602,7 +2597,7 @@ xfs_ifree_cluster(
xfs_daddr_t blkno;
xfs_buf_t *bp;
xfs_inode_t *ip;
- xfs_inode_log_item_t *iip;
+ struct xfs_inode_log_item *iip;
struct xfs_log_item *lip;
struct xfs_perag *pag;
struct xfs_ino_geometry *igeo = M_IGEO(mp);
@@ -2662,7 +2657,7 @@ xfs_ifree_cluster(
*/
list_for_each_entry(lip, &bp->b_li_list, li_bio_list) {
if (lip->li_type == XFS_LI_INODE) {
- iip = (xfs_inode_log_item_t *)lip;
+ iip = (struct xfs_inode_log_item *)lip;
ASSERT(iip->ili_logged == 1);
lip->li_cb = xfs_istale_done;
xfs_trans_ail_copy_lsn(mp->m_ail,
@@ -2712,24 +2707,6 @@ xfs_ifree_cluster(
}
/*
- * Free any local-format buffers sitting around before we reset to
- * extents format.
- */
-static inline void
-xfs_ifree_local_data(
- struct xfs_inode *ip,
- int whichfork)
-{
- struct xfs_ifork *ifp;
-
- if (XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_LOCAL)
- return;
-
- ifp = XFS_IFORK_PTR(ip, whichfork);
- xfs_idata_realloc(ip, -ifp->if_bytes, whichfork);
-}
-
-/*
* This is called to return an inode to the inode free list.
* The inode should already be truncated to 0 length and have
* no pages associated with it. This routine also assumes that
@@ -2749,8 +2726,7 @@ xfs_ifree(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
ASSERT(VFS_I(ip)->i_nlink == 0);
- ASSERT(ip->i_d.di_nextents == 0);
- ASSERT(ip->i_d.di_anextents == 0);
+ ASSERT(ip->i_df.if_nextents == 0);
ASSERT(ip->i_d.di_size == 0 || !S_ISREG(VFS_I(ip)->i_mode));
ASSERT(ip->i_d.di_nblocks == 0);
@@ -2765,16 +2741,23 @@ xfs_ifree(
if (error)
return error;
- xfs_ifree_local_data(ip, XFS_DATA_FORK);
- xfs_ifree_local_data(ip, XFS_ATTR_FORK);
+ /*
+ * Free any local-format data sitting around before we reset the
+ * data fork to extents format. Note that the attr fork data has
+ * already been freed by xfs_attr_inactive.
+ */
+ if (ip->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
+ kmem_free(ip->i_df.if_u1.if_data);
+ ip->i_df.if_u1.if_data = NULL;
+ ip->i_df.if_bytes = 0;
+ }
VFS_I(ip)->i_mode = 0; /* mark incore inode as free */
ip->i_d.di_flags = 0;
ip->i_d.di_flags2 = 0;
ip->i_d.di_dmevmask = 0;
ip->i_d.di_forkoff = 0; /* mark the attr fork not in use */
- ip->i_d.di_format = XFS_DINODE_FMT_EXTENTS;
- ip->i_d.di_aformat = XFS_DINODE_FMT_EXTENTS;
+ ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS;
/* Don't attempt to replay owner changes for a deleted inode */
ip->i_itemp->ili_fields &= ~(XFS_ILOG_AOWNER|XFS_ILOG_DOWNER);
@@ -3496,6 +3479,7 @@ xfs_iflush_cluster(
struct xfs_inode **cilist;
struct xfs_inode *cip;
struct xfs_ino_geometry *igeo = M_IGEO(mp);
+ int error = 0;
int nr_found;
int clcount = 0;
int i;
@@ -3588,11 +3572,10 @@ xfs_iflush_cluster(
* re-check that it's dirty before flushing.
*/
if (!xfs_inode_clean(cip)) {
- int error;
error = xfs_iflush_int(cip, bp);
if (error) {
xfs_iunlock(cip, XFS_ILOCK_SHARED);
- goto cluster_corrupt_out;
+ goto out_free;
}
clcount++;
} else {
@@ -3611,37 +3594,7 @@ out_free:
kmem_free(cilist);
out_put:
xfs_perag_put(pag);
- return 0;
-
-
-cluster_corrupt_out:
- /*
- * Corruption detected in the clustering loop. Invalidate the
- * inode buffer and shut down the filesystem.
- */
- rcu_read_unlock();
-
- /*
- * We'll always have an inode attached to the buffer for completion
- * process by the time we are called from xfs_iflush(). Hence we have
- * always need to do IO completion processing to abort the inodes
- * attached to the buffer. handle them just like the shutdown case in
- * xfs_buf_submit().
- */
- ASSERT(bp->b_iodone);
- bp->b_flags |= XBF_ASYNC;
- bp->b_flags &= ~XBF_DONE;
- xfs_buf_stale(bp);
- xfs_buf_ioerror(bp, -EIO);
- xfs_buf_ioend(bp);
-
- xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
-
- /* abort the corrupt inode, as it was not attached to the buffer */
- xfs_iflush_abort(cip, false);
- kmem_free(cilist);
- xfs_perag_put(pag);
- return -EFSCORRUPTED;
+ return error;
}
/*
@@ -3667,8 +3620,8 @@ xfs_iflush(
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
ASSERT(xfs_isiflocked(ip));
- ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
- ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
+ ASSERT(ip->i_df.if_format != XFS_DINODE_FMT_BTREE ||
+ ip->i_df.if_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
*bpp = NULL;
@@ -3688,42 +3641,20 @@ xfs_iflush(
}
/*
- * This may have been unpinned because the filesystem is shutting
- * down forcibly. If that's the case we must not write this inode
- * to disk, because the log record didn't make it to disk.
- *
- * We also have to remove the log item from the AIL in this case,
- * as we wait for an empty AIL as part of the unmount process.
- */
- if (XFS_FORCED_SHUTDOWN(mp)) {
- error = -EIO;
- goto abort_out;
- }
-
- /*
* Get the buffer containing the on-disk inode. We are doing a try-lock
- * operation here, so we may get an EAGAIN error. In that case, we
- * simply want to return with the inode still dirty.
+ * operation here, so we may get an EAGAIN error. In that case, return
+ * leaving the inode dirty.
*
* If we get any other error, we effectively have a corruption situation
- * and we cannot flush the inode, so we treat it the same as failing
- * xfs_iflush_int().
+ * and we cannot flush the inode. Abort the flush and shut down.
*/
- error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK,
- 0);
+ error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, XBF_TRYLOCK);
if (error == -EAGAIN) {
xfs_ifunlock(ip);
return error;
}
if (error)
- goto corrupt_out;
-
- /*
- * First flush out the inode that xfs_iflush was called with.
- */
- error = xfs_iflush_int(ip, bp);
- if (error)
- goto corrupt_out;
+ goto abort;
/*
* If the buffer is pinned then push on the log now so we won't
@@ -3733,61 +3664,32 @@ xfs_iflush(
xfs_log_force(mp, 0);
/*
- * inode clustering: try to gather other inodes into this write
+ * Flush the provided inode then attempt to gather others from the
+ * cluster into the write.
*
- * Note: Any error during clustering will result in the filesystem
- * being shut down and completion callbacks run on the cluster buffer.
- * As we have already flushed and attached this inode to the buffer,
- * it has already been aborted and released by xfs_iflush_cluster() and
- * so we have no further error handling to do here.
+ * Note: Once we attempt to flush an inode, we must run buffer
+ * completion callbacks on any failure. If this fails, simulate an I/O
+ * failure on the buffer and shut down.
*/
- error = xfs_iflush_cluster(ip, bp);
- if (error)
- return error;
+ error = xfs_iflush_int(ip, bp);
+ if (!error)
+ error = xfs_iflush_cluster(ip, bp);
+ if (error) {
+ bp->b_flags |= XBF_ASYNC;
+ xfs_buf_ioend_fail(bp);
+ goto shutdown;
+ }
*bpp = bp;
return 0;
-corrupt_out:
- if (bp)
- xfs_buf_relse(bp);
+abort:
+ xfs_iflush_abort(ip);
+shutdown:
xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
-abort_out:
- /* abort the corrupt inode, as it was not attached to the buffer */
- xfs_iflush_abort(ip, false);
return error;
}
-/*
- * If there are inline format data / attr forks attached to this inode,
- * make sure they're not corrupt.
- */
-bool
-xfs_inode_verify_forks(
- struct xfs_inode *ip)
-{
- struct xfs_ifork *ifp;
- xfs_failaddr_t fa;
-
- fa = xfs_ifork_verify_data(ip, &xfs_default_ifork_ops);
- if (fa) {
- ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK);
- xfs_inode_verifier_error(ip, -EFSCORRUPTED, "data fork",
- ifp->if_u1.if_data, ifp->if_bytes, fa);
- return false;
- }
-
- fa = xfs_ifork_verify_attr(ip, &xfs_default_ifork_ops);
- if (fa) {
- ifp = XFS_IFORK_PTR(ip, XFS_ATTR_FORK);
- xfs_inode_verifier_error(ip, -EFSCORRUPTED, "attr fork",
- ifp ? ifp->if_u1.if_data : NULL,
- ifp ? ifp->if_bytes : 0, fa);
- return false;
- }
- return true;
-}
-
STATIC int
xfs_iflush_int(
struct xfs_inode *ip,
@@ -3796,61 +3698,68 @@ xfs_iflush_int(
struct xfs_inode_log_item *iip = ip->i_itemp;
struct xfs_dinode *dip;
struct xfs_mount *mp = ip->i_mount;
+ int error;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
ASSERT(xfs_isiflocked(ip));
- ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
- ip->i_d.di_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
+ ASSERT(ip->i_df.if_format != XFS_DINODE_FMT_BTREE ||
+ ip->i_df.if_nextents > XFS_IFORK_MAXEXT(ip, XFS_DATA_FORK));
ASSERT(iip != NULL && iip->ili_fields != 0);
- /* set *dip = inode's place in the buffer */
dip = xfs_buf_offset(bp, ip->i_imap.im_boffset);
+ /*
+ * We don't flush the inode if any of the following checks fail, but we
+ * do still update the log item and attach to the backing buffer as if
+ * the flush happened. This is a formality to facilitate predictable
+ * error handling as the caller will shutdown and fail the buffer.
+ */
+ error = -EFSCORRUPTED;
if (XFS_TEST_ERROR(dip->di_magic != cpu_to_be16(XFS_DINODE_MAGIC),
mp, XFS_ERRTAG_IFLUSH_1)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad inode %Lu magic number 0x%x, ptr "PTR_FMT,
__func__, ip->i_ino, be16_to_cpu(dip->di_magic), dip);
- goto corrupt_out;
+ goto flush_out;
}
if (S_ISREG(VFS_I(ip)->i_mode)) {
if (XFS_TEST_ERROR(
- (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
- (ip->i_d.di_format != XFS_DINODE_FMT_BTREE),
+ ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS &&
+ ip->i_df.if_format != XFS_DINODE_FMT_BTREE,
mp, XFS_ERRTAG_IFLUSH_3)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad regular inode %Lu, ptr "PTR_FMT,
__func__, ip->i_ino, ip);
- goto corrupt_out;
+ goto flush_out;
}
} else if (S_ISDIR(VFS_I(ip)->i_mode)) {
if (XFS_TEST_ERROR(
- (ip->i_d.di_format != XFS_DINODE_FMT_EXTENTS) &&
- (ip->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
- (ip->i_d.di_format != XFS_DINODE_FMT_LOCAL),
+ ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS &&
+ ip->i_df.if_format != XFS_DINODE_FMT_BTREE &&
+ ip->i_df.if_format != XFS_DINODE_FMT_LOCAL,
mp, XFS_ERRTAG_IFLUSH_4)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: Bad directory inode %Lu, ptr "PTR_FMT,
__func__, ip->i_ino, ip);
- goto corrupt_out;
+ goto flush_out;
}
}
- if (XFS_TEST_ERROR(ip->i_d.di_nextents + ip->i_d.di_anextents >
+ if (XFS_TEST_ERROR(ip->i_df.if_nextents + xfs_ifork_nextents(ip->i_afp) >
ip->i_d.di_nblocks, mp, XFS_ERRTAG_IFLUSH_5)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: detected corrupt incore inode %Lu, "
"total extents = %d, nblocks = %Ld, ptr "PTR_FMT,
__func__, ip->i_ino,
- ip->i_d.di_nextents + ip->i_d.di_anextents,
+ ip->i_df.if_nextents + xfs_ifork_nextents(ip->i_afp),
ip->i_d.di_nblocks, ip);
- goto corrupt_out;
+ goto flush_out;
}
if (XFS_TEST_ERROR(ip->i_d.di_forkoff > mp->m_sb.sb_inodesize,
mp, XFS_ERRTAG_IFLUSH_6)) {
xfs_alert_tag(mp, XFS_PTAG_IFLUSH,
"%s: bad inode %Lu, forkoff 0x%x, ptr "PTR_FMT,
__func__, ip->i_ino, ip->i_d.di_forkoff, ip);
- goto corrupt_out;
+ goto flush_out;
}
/*
@@ -3865,9 +3774,16 @@ xfs_iflush_int(
if (!xfs_sb_version_has_v3inode(&mp->m_sb))
ip->i_d.di_flushiter++;
- /* Check the inline fork data before we write out. */
- if (!xfs_inode_verify_forks(ip))
- goto corrupt_out;
+ /*
+ * If there are inline format data / attr forks attached to this inode,
+ * make sure they are not corrupt.
+ */
+ if (ip->i_df.if_format == XFS_DINODE_FMT_LOCAL &&
+ xfs_ifork_verify_local_data(ip))
+ goto flush_out;
+ if (ip->i_afp && ip->i_afp->if_format == XFS_DINODE_FMT_LOCAL &&
+ xfs_ifork_verify_local_attr(ip))
+ goto flush_out;
/*
* Copy the dirty parts of the inode into the on-disk inode. We always
@@ -3910,6 +3826,8 @@ xfs_iflush_int(
* need the AIL lock, because it is a 64 bit value that cannot be read
* atomically.
*/
+ error = 0;
+flush_out:
iip->ili_last_fields = iip->ili_fields;
iip->ili_fields = 0;
iip->ili_fsync_fields = 0;
@@ -3919,10 +3837,10 @@ xfs_iflush_int(
&iip->ili_item.li_lsn);
/*
- * Attach the function xfs_iflush_done to the inode's
- * buffer. This will remove the inode from the AIL
- * and unlock the inode's flush lock when the inode is
- * completely written to disk.
+ * Attach the inode item callback to the buffer whether the flush
+ * succeeded or not. If not, the caller will shut down and fail I/O
+ * completion on the buffer to remove the inode from the AIL and release
+ * the flush lock.
*/
xfs_buf_attach_iodone(bp, xfs_iflush_done, &iip->ili_item);
@@ -3931,10 +3849,7 @@ xfs_iflush_int(
ASSERT(!list_empty(&bp->b_li_list));
ASSERT(bp->b_iodone != NULL);
- return 0;
-
-corrupt_out:
- return -EFSCORRUPTED;
+ return error;
}
/* Release an inode. */
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index c6a63f6764a6..47d3b391030d 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -57,9 +57,6 @@ typedef struct xfs_inode {
struct xfs_icdinode i_d; /* most of ondisk inode */
- xfs_extnum_t i_cnextents; /* # of extents in cow fork */
- unsigned int i_cformat; /* format of cow fork */
-
/* VFS inode */
struct inode i_vnode; /* embedded VFS inode */
@@ -218,8 +215,7 @@ static inline bool xfs_inode_has_cow_data(struct xfs_inode *ip)
#define XFS_IFLOCK (1 << __XFS_IFLOCK_BIT)
#define __XFS_IPINNED_BIT 8 /* wakeup key for zero pin count */
#define XFS_IPINNED (1 << __XFS_IPINNED_BIT)
-#define XFS_IDONTCACHE (1 << 9) /* don't cache the inode long term */
-#define XFS_IEOFBLOCKS (1 << 10)/* has the preallocblocks tag set */
+#define XFS_IEOFBLOCKS (1 << 9) /* has the preallocblocks tag set */
/*
* If this unlinked inode is in the middle of recovery, don't let drop_inode
* truncate and free the inode. This can happen if we iget the inode during
@@ -467,6 +463,7 @@ int xfs_break_layouts(struct inode *inode, uint *iolock,
/* from xfs_iops.c */
extern void xfs_setup_inode(struct xfs_inode *ip);
extern void xfs_setup_iops(struct xfs_inode *ip);
+extern void xfs_diflags_to_iflags(struct xfs_inode *ip, bool init);
/*
* When setting up a newly allocated inode, we need to call
@@ -497,8 +494,6 @@ extern struct kmem_zone *xfs_inode_zone;
/* The default CoW extent size hint. */
#define XFS_DEFAULT_COWEXTSZ_HINT 32
-bool xfs_inode_verify_forks(struct xfs_inode *ip);
-
int xfs_iunlink_init(struct xfs_perag *pag);
void xfs_iunlink_destroy(struct xfs_perag *pag);
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index f779cca2346f..ba47bf65b772 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -36,10 +36,10 @@ xfs_inode_item_data_fork_size(
{
struct xfs_inode *ip = iip->ili_inode;
- switch (ip->i_d.di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
if ((iip->ili_fields & XFS_ILOG_DEXT) &&
- ip->i_d.di_nextents > 0 &&
+ ip->i_df.if_nextents > 0 &&
ip->i_df.if_bytes > 0) {
/* worst case, doesn't subtract delalloc extents */
*nbytes += XFS_IFORK_DSIZE(ip);
@@ -77,10 +77,10 @@ xfs_inode_item_attr_fork_size(
{
struct xfs_inode *ip = iip->ili_inode;
- switch (ip->i_d.di_aformat) {
+ switch (ip->i_afp->if_format) {
case XFS_DINODE_FMT_EXTENTS:
if ((iip->ili_fields & XFS_ILOG_AEXT) &&
- ip->i_d.di_anextents > 0 &&
+ ip->i_afp->if_nextents > 0 &&
ip->i_afp->if_bytes > 0) {
/* worst case, doesn't subtract unused space */
*nbytes += XFS_IFORK_ASIZE(ip);
@@ -142,13 +142,13 @@ xfs_inode_item_format_data_fork(
struct xfs_inode *ip = iip->ili_inode;
size_t data_bytes;
- switch (ip->i_d.di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_EXTENTS:
iip->ili_fields &=
~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
if ((iip->ili_fields & XFS_ILOG_DEXT) &&
- ip->i_d.di_nextents > 0 &&
+ ip->i_df.if_nextents > 0 &&
ip->i_df.if_bytes > 0) {
struct xfs_bmbt_rec *p;
@@ -227,18 +227,18 @@ xfs_inode_item_format_attr_fork(
struct xfs_inode *ip = iip->ili_inode;
size_t data_bytes;
- switch (ip->i_d.di_aformat) {
+ switch (ip->i_afp->if_format) {
case XFS_DINODE_FMT_EXTENTS:
iip->ili_fields &=
~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT);
if ((iip->ili_fields & XFS_ILOG_AEXT) &&
- ip->i_d.di_anextents > 0 &&
+ ip->i_afp->if_nextents > 0 &&
ip->i_afp->if_bytes > 0) {
struct xfs_bmbt_rec *p;
ASSERT(xfs_iext_count(ip->i_afp) ==
- ip->i_d.di_anextents);
+ ip->i_afp->if_nextents);
p = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_EXT);
data_bytes = xfs_iextents_copy(ip, p, XFS_ATTR_FORK);
@@ -305,7 +305,7 @@ xfs_inode_to_log_dinode(
struct inode *inode = VFS_I(ip);
to->di_magic = XFS_DINODE_MAGIC;
- to->di_format = from->di_format;
+ to->di_format = xfs_ifork_format(&ip->i_df);
to->di_uid = i_uid_read(inode);
to->di_gid = i_gid_read(inode);
to->di_projid_lo = from->di_projid & 0xffff;
@@ -326,10 +326,10 @@ xfs_inode_to_log_dinode(
to->di_size = from->di_size;
to->di_nblocks = from->di_nblocks;
to->di_extsize = from->di_extsize;
- to->di_nextents = from->di_nextents;
- to->di_anextents = from->di_anextents;
+ to->di_nextents = xfs_ifork_nextents(&ip->i_df);
+ to->di_anextents = xfs_ifork_nextents(ip->i_afp);
to->di_forkoff = from->di_forkoff;
- to->di_aformat = from->di_aformat;
+ to->di_aformat = xfs_ifork_format(ip->i_afp);
to->di_dmevmask = from->di_dmevmask;
to->di_dmstate = from->di_dmstate;
to->di_flags = from->di_flags;
@@ -497,21 +497,6 @@ xfs_inode_item_push(
if (xfs_ipincount(ip) > 0)
return XFS_ITEM_PINNED;
- /*
- * The buffer containing this item failed to be written back
- * previously. Resubmit the buffer for IO.
- */
- if (test_bit(XFS_LI_FAILED, &lip->li_flags)) {
- if (!xfs_buf_trylock(bp))
- return XFS_ITEM_LOCKED;
-
- if (!xfs_buf_resubmit_failed_buffers(bp, buffer_list))
- rval = XFS_ITEM_FLUSHING;
-
- xfs_buf_unlock(bp);
- return rval;
- }
-
if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
return XFS_ITEM_LOCKED;
@@ -777,17 +762,12 @@ xfs_iflush_done(
*/
void
xfs_iflush_abort(
- xfs_inode_t *ip,
- bool stale)
+ struct xfs_inode *ip)
{
- xfs_inode_log_item_t *iip = ip->i_itemp;
+ struct xfs_inode_log_item *iip = ip->i_itemp;
if (iip) {
- if (test_bit(XFS_LI_IN_AIL, &iip->ili_item.li_flags)) {
- xfs_trans_ail_remove(&iip->ili_item,
- stale ? SHUTDOWN_LOG_IO_ERROR :
- SHUTDOWN_CORRUPT_INCORE);
- }
+ xfs_trans_ail_delete(&iip->ili_item, 0);
iip->ili_logged = 0;
/*
* Clear the ili_last_fields bits now that we know that the
@@ -812,7 +792,7 @@ xfs_istale_done(
struct xfs_buf *bp,
struct xfs_log_item *lip)
{
- xfs_iflush_abort(INODE_ITEM(lip)->ili_inode, true);
+ xfs_iflush_abort(INODE_ITEM(lip)->ili_inode);
}
/*
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
index 07a60e74c39c..60b34bb66e8e 100644
--- a/fs/xfs/xfs_inode_item.h
+++ b/fs/xfs/xfs_inode_item.h
@@ -13,7 +13,7 @@ struct xfs_bmbt_rec;
struct xfs_inode;
struct xfs_mount;
-typedef struct xfs_inode_log_item {
+struct xfs_inode_log_item {
struct xfs_log_item ili_item; /* common portion */
struct xfs_inode *ili_inode; /* inode ptr */
xfs_lsn_t ili_flush_lsn; /* lsn at last flush */
@@ -23,7 +23,7 @@ typedef struct xfs_inode_log_item {
unsigned int ili_last_fields; /* fields when flushed */
unsigned int ili_fields; /* fields to be logged */
unsigned int ili_fsync_fields; /* logged since last fsync */
-} xfs_inode_log_item_t;
+};
static inline int xfs_inode_clean(xfs_inode_t *ip)
{
@@ -34,7 +34,7 @@ extern void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *);
extern void xfs_inode_item_destroy(struct xfs_inode *);
extern void xfs_iflush_done(struct xfs_buf *, struct xfs_log_item *);
extern void xfs_istale_done(struct xfs_buf *, struct xfs_log_item *);
-extern void xfs_iflush_abort(struct xfs_inode *, bool);
+extern void xfs_iflush_abort(struct xfs_inode *);
extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
struct xfs_inode_log_format *);
diff --git a/fs/xfs/xfs_inode_item_recover.c b/fs/xfs/xfs_inode_item_recover.c
new file mode 100644
index 000000000000..dc3e26ff16c9
--- /dev/null
+++ b/fs/xfs/xfs_inode_item_recover.c
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#include "xfs.h"
+#include "xfs_fs.h"
+#include "xfs_shared.h"
+#include "xfs_format.h"
+#include "xfs_log_format.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_inode.h"
+#include "xfs_trans.h"
+#include "xfs_inode_item.h"
+#include "xfs_trace.h"
+#include "xfs_trans_priv.h"
+#include "xfs_buf_item.h"
+#include "xfs_log.h"
+#include "xfs_error.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
+#include "xfs_icache.h"
+#include "xfs_bmap_btree.h"
+
+STATIC void
+xlog_recover_inode_ra_pass2(
+ struct xlog *log,
+ struct xlog_recover_item *item)
+{
+ if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
+ struct xfs_inode_log_format *ilfp = item->ri_buf[0].i_addr;
+
+ xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
+ &xfs_inode_buf_ra_ops);
+ } else {
+ struct xfs_inode_log_format_32 *ilfp = item->ri_buf[0].i_addr;
+
+ xlog_buf_readahead(log, ilfp->ilf_blkno, ilfp->ilf_len,
+ &xfs_inode_buf_ra_ops);
+ }
+}
+
+/*
+ * Inode fork owner changes
+ *
+ * If we have been told that we have to reparent the inode fork, it's because an
+ * extent swap operation on a CRC enabled filesystem has been done and we are
+ * replaying it. We need to walk the BMBT of the appropriate fork and change the
+ * owners of it.
+ *
+ * The complexity here is that we don't have an inode context to work with, so
+ * after we've replayed the inode we need to instantiate one. This is where the
+ * fun begins.
+ *
+ * We are in the middle of log recovery, so we can't run transactions. That
+ * means we cannot use cache coherent inode instantiation via xfs_iget(), as
+ * that will result in the corresponding iput() running the inode through
+ * xfs_inactive(). If we've just replayed an inode core that changes the link
+ * count to zero (i.e. it's been unlinked), then xfs_inactive() will run
+ * transactions (bad!).
+ *
+ * So, to avoid this, we instantiate an inode directly from the inode core we've
+ * just recovered. We have the buffer still locked, and all we really need to
+ * instantiate is the inode core and the forks being modified. We can do this
+ * manually, then run the inode btree owner change, and then tear down the
+ * xfs_inode without having to run any transactions at all.
+ *
+ * Also, because we don't have a transaction context available here but need to
+ * gather all the buffers we modify for writeback so we pass the buffer_list
+ * instead for the operation to use.
+ */
+
+STATIC int
+xfs_recover_inode_owner_change(
+ struct xfs_mount *mp,
+ struct xfs_dinode *dip,
+ struct xfs_inode_log_format *in_f,
+ struct list_head *buffer_list)
+{
+ struct xfs_inode *ip;
+ int error;
+
+ ASSERT(in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER));
+
+ ip = xfs_inode_alloc(mp, in_f->ilf_ino);
+ if (!ip)
+ return -ENOMEM;
+
+ /* instantiate the inode */
+ ASSERT(dip->di_version >= 3);
+
+ error = xfs_inode_from_disk(ip, dip);
+ if (error)
+ goto out_free_ip;
+
+ if (in_f->ilf_fields & XFS_ILOG_DOWNER) {
+ ASSERT(in_f->ilf_fields & XFS_ILOG_DBROOT);
+ error = xfs_bmbt_change_owner(NULL, ip, XFS_DATA_FORK,
+ ip->i_ino, buffer_list);
+ if (error)
+ goto out_free_ip;
+ }
+
+ if (in_f->ilf_fields & XFS_ILOG_AOWNER) {
+ ASSERT(in_f->ilf_fields & XFS_ILOG_ABROOT);
+ error = xfs_bmbt_change_owner(NULL, ip, XFS_ATTR_FORK,
+ ip->i_ino, buffer_list);
+ if (error)
+ goto out_free_ip;
+ }
+
+out_free_ip:
+ xfs_inode_free(ip);
+ return error;
+}
+
+STATIC int
+xlog_recover_inode_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t current_lsn)
+{
+ struct xfs_inode_log_format *in_f;
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_buf *bp;
+ struct xfs_dinode *dip;
+ int len;
+ char *src;
+ char *dest;
+ int error;
+ int attr_index;
+ uint fields;
+ struct xfs_log_dinode *ldip;
+ uint isize;
+ int need_free = 0;
+
+ if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
+ in_f = item->ri_buf[0].i_addr;
+ } else {
+ in_f = kmem_alloc(sizeof(struct xfs_inode_log_format), 0);
+ need_free = 1;
+ error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f);
+ if (error)
+ goto error;
+ }
+
+ /*
+ * Inode buffers can be freed, look out for it,
+ * and do not replay the inode.
+ */
+ if (xlog_is_buffer_cancelled(log, in_f->ilf_blkno, in_f->ilf_len)) {
+ error = 0;
+ trace_xfs_log_recover_inode_cancel(log, in_f);
+ goto error;
+ }
+ trace_xfs_log_recover_inode_recover(log, in_f);
+
+ error = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len,
+ 0, &bp, &xfs_inode_buf_ops);
+ if (error)
+ goto error;
+ ASSERT(in_f->ilf_fields & XFS_ILOG_CORE);
+ dip = xfs_buf_offset(bp, in_f->ilf_boffset);
+
+ /*
+ * Make sure the place we're flushing out to really looks
+ * like an inode!
+ */
+ if (XFS_IS_CORRUPT(mp, !xfs_verify_magic16(bp, dip->di_magic))) {
+ xfs_alert(mp,
+ "%s: Bad inode magic number, dip = "PTR_FMT", dino bp = "PTR_FMT", ino = %Ld",
+ __func__, dip, bp, in_f->ilf_ino);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ ldip = item->ri_buf[1].i_addr;
+ if (XFS_IS_CORRUPT(mp, ldip->di_magic != XFS_DINODE_MAGIC)) {
+ xfs_alert(mp,
+ "%s: Bad inode log record, rec ptr "PTR_FMT", ino %Ld",
+ __func__, item, in_f->ilf_ino);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+
+ /*
+ * If the inode has an LSN in it, recover the inode only if it's less
+ * than the lsn of the transaction we are replaying. Note: we still
+ * need to replay an owner change even though the inode is more recent
+ * than the transaction as there is no guarantee that all the btree
+ * blocks are more recent than this transaction, too.
+ */
+ if (dip->di_version >= 3) {
+ xfs_lsn_t lsn = be64_to_cpu(dip->di_lsn);
+
+ if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
+ trace_xfs_log_recover_inode_skip(log, in_f);
+ error = 0;
+ goto out_owner_change;
+ }
+ }
+
+ /*
+ * di_flushiter is only valid for v1/2 inodes. All changes for v3 inodes
+ * are transactional and if ordering is necessary we can determine that
+ * more accurately by the LSN field in the V3 inode core. Don't trust
+ * the inode versions we might be changing them here - use the
+ * superblock flag to determine whether we need to look at di_flushiter
+ * to skip replay when the on disk inode is newer than the log one
+ */
+ if (!xfs_sb_version_has_v3inode(&mp->m_sb) &&
+ ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
+ /*
+ * Deal with the wrap case, DI_MAX_FLUSH is less
+ * than smaller numbers
+ */
+ if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH &&
+ ldip->di_flushiter < (DI_MAX_FLUSH >> 1)) {
+ /* do nothing */
+ } else {
+ trace_xfs_log_recover_inode_skip(log, in_f);
+ error = 0;
+ goto out_release;
+ }
+ }
+
+ /* Take the opportunity to reset the flush iteration count */
+ ldip->di_flushiter = 0;
+
+ if (unlikely(S_ISREG(ldip->di_mode))) {
+ if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
+ (ldip->di_format != XFS_DINODE_FMT_BTREE)) {
+ XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(3)",
+ XFS_ERRLEVEL_LOW, mp, ldip,
+ sizeof(*ldip));
+ xfs_alert(mp,
+ "%s: Bad regular inode log record, rec ptr "PTR_FMT", "
+ "ino ptr = "PTR_FMT", ino bp = "PTR_FMT", ino %Ld",
+ __func__, item, dip, bp, in_f->ilf_ino);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ } else if (unlikely(S_ISDIR(ldip->di_mode))) {
+ if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
+ (ldip->di_format != XFS_DINODE_FMT_BTREE) &&
+ (ldip->di_format != XFS_DINODE_FMT_LOCAL)) {
+ XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(4)",
+ XFS_ERRLEVEL_LOW, mp, ldip,
+ sizeof(*ldip));
+ xfs_alert(mp,
+ "%s: Bad dir inode log record, rec ptr "PTR_FMT", "
+ "ino ptr = "PTR_FMT", ino bp = "PTR_FMT", ino %Ld",
+ __func__, item, dip, bp, in_f->ilf_ino);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ }
+ if (unlikely(ldip->di_nextents + ldip->di_anextents > ldip->di_nblocks)){
+ XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(5)",
+ XFS_ERRLEVEL_LOW, mp, ldip,
+ sizeof(*ldip));
+ xfs_alert(mp,
+ "%s: Bad inode log record, rec ptr "PTR_FMT", dino ptr "PTR_FMT", "
+ "dino bp "PTR_FMT", ino %Ld, total extents = %d, nblocks = %Ld",
+ __func__, item, dip, bp, in_f->ilf_ino,
+ ldip->di_nextents + ldip->di_anextents,
+ ldip->di_nblocks);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ if (unlikely(ldip->di_forkoff > mp->m_sb.sb_inodesize)) {
+ XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(6)",
+ XFS_ERRLEVEL_LOW, mp, ldip,
+ sizeof(*ldip));
+ xfs_alert(mp,
+ "%s: Bad inode log record, rec ptr "PTR_FMT", dino ptr "PTR_FMT", "
+ "dino bp "PTR_FMT", ino %Ld, forkoff 0x%x", __func__,
+ item, dip, bp, in_f->ilf_ino, ldip->di_forkoff);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ isize = xfs_log_dinode_size(mp);
+ if (unlikely(item->ri_buf[1].i_len > isize)) {
+ XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(7)",
+ XFS_ERRLEVEL_LOW, mp, ldip,
+ sizeof(*ldip));
+ xfs_alert(mp,
+ "%s: Bad inode log record length %d, rec ptr "PTR_FMT,
+ __func__, item->ri_buf[1].i_len, item);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+
+ /* recover the log dinode inode into the on disk inode */
+ xfs_log_dinode_to_disk(ldip, dip);
+
+ fields = in_f->ilf_fields;
+ if (fields & XFS_ILOG_DEV)
+ xfs_dinode_put_rdev(dip, in_f->ilf_u.ilfu_rdev);
+
+ if (in_f->ilf_size == 2)
+ goto out_owner_change;
+ len = item->ri_buf[2].i_len;
+ src = item->ri_buf[2].i_addr;
+ ASSERT(in_f->ilf_size <= 4);
+ ASSERT((in_f->ilf_size == 3) || (fields & XFS_ILOG_AFORK));
+ ASSERT(!(fields & XFS_ILOG_DFORK) ||
+ (len == in_f->ilf_dsize));
+
+ switch (fields & XFS_ILOG_DFORK) {
+ case XFS_ILOG_DDATA:
+ case XFS_ILOG_DEXT:
+ memcpy(XFS_DFORK_DPTR(dip), src, len);
+ break;
+
+ case XFS_ILOG_DBROOT:
+ xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src, len,
+ (struct xfs_bmdr_block *)XFS_DFORK_DPTR(dip),
+ XFS_DFORK_DSIZE(dip, mp));
+ break;
+
+ default:
+ /*
+ * There are no data fork flags set.
+ */
+ ASSERT((fields & XFS_ILOG_DFORK) == 0);
+ break;
+ }
+
+ /*
+ * If we logged any attribute data, recover it. There may or
+ * may not have been any other non-core data logged in this
+ * transaction.
+ */
+ if (in_f->ilf_fields & XFS_ILOG_AFORK) {
+ if (in_f->ilf_fields & XFS_ILOG_DFORK) {
+ attr_index = 3;
+ } else {
+ attr_index = 2;
+ }
+ len = item->ri_buf[attr_index].i_len;
+ src = item->ri_buf[attr_index].i_addr;
+ ASSERT(len == in_f->ilf_asize);
+
+ switch (in_f->ilf_fields & XFS_ILOG_AFORK) {
+ case XFS_ILOG_ADATA:
+ case XFS_ILOG_AEXT:
+ dest = XFS_DFORK_APTR(dip);
+ ASSERT(len <= XFS_DFORK_ASIZE(dip, mp));
+ memcpy(dest, src, len);
+ break;
+
+ case XFS_ILOG_ABROOT:
+ dest = XFS_DFORK_APTR(dip);
+ xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src,
+ len, (struct xfs_bmdr_block *)dest,
+ XFS_DFORK_ASIZE(dip, mp));
+ break;
+
+ default:
+ xfs_warn(log->l_mp, "%s: Invalid flag", __func__);
+ ASSERT(0);
+ error = -EFSCORRUPTED;
+ goto out_release;
+ }
+ }
+
+out_owner_change:
+ /* Recover the swapext owner change unless inode has been deleted */
+ if ((in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER)) &&
+ (dip->di_mode != 0))
+ error = xfs_recover_inode_owner_change(mp, dip, in_f,
+ buffer_list);
+ /* re-generate the checksum. */
+ xfs_dinode_calc_crc(log->l_mp, dip);
+
+ ASSERT(bp->b_mount == mp);
+ bp->b_iodone = xlog_recover_iodone;
+ xfs_buf_delwri_queue(bp, buffer_list);
+
+out_release:
+ xfs_buf_relse(bp);
+error:
+ if (need_free)
+ kmem_free(in_f);
+ return error;
+}
+
+const struct xlog_recover_item_ops xlog_inode_item_ops = {
+ .item_type = XFS_LI_INODE,
+ .ra_pass2 = xlog_recover_inode_ra_pass2,
+ .commit_pass2 = xlog_recover_inode_commit_pass2,
+};
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 309958186d33..a40f88cf3ab7 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1104,26 +1104,17 @@ xfs_fill_fsxattr(
bool attr,
struct fsxattr *fa)
{
+ struct xfs_ifork *ifp = attr ? ip->i_afp : &ip->i_df;
+
simple_fill_fsxattr(fa, xfs_ip2xflags(ip));
fa->fsx_extsize = ip->i_d.di_extsize << ip->i_mount->m_sb.sb_blocklog;
fa->fsx_cowextsize = ip->i_d.di_cowextsize <<
ip->i_mount->m_sb.sb_blocklog;
fa->fsx_projid = ip->i_d.di_projid;
-
- if (attr) {
- if (ip->i_afp) {
- if (ip->i_afp->if_flags & XFS_IFEXTENTS)
- fa->fsx_nextents = xfs_iext_count(ip->i_afp);
- else
- fa->fsx_nextents = ip->i_d.di_anextents;
- } else
- fa->fsx_nextents = 0;
- } else {
- if (ip->i_df.if_flags & XFS_IFEXTENTS)
- fa->fsx_nextents = xfs_iext_count(&ip->i_df);
- else
- fa->fsx_nextents = ip->i_d.di_nextents;
- }
+ if (ifp && (ifp->if_flags & XFS_IFEXTENTS))
+ fa->fsx_nextents = xfs_iext_count(ifp);
+ else
+ fa->fsx_nextents = xfs_ifork_nextents(ifp);
}
STATIC int
@@ -1201,37 +1192,6 @@ xfs_flags2diflags2(
return di_flags2;
}
-STATIC void
-xfs_diflags_to_linux(
- struct xfs_inode *ip)
-{
- struct inode *inode = VFS_I(ip);
- unsigned int xflags = xfs_ip2xflags(ip);
-
- if (xflags & FS_XFLAG_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
- else
- inode->i_flags &= ~S_IMMUTABLE;
- if (xflags & FS_XFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- else
- inode->i_flags &= ~S_APPEND;
- if (xflags & FS_XFLAG_SYNC)
- inode->i_flags |= S_SYNC;
- else
- inode->i_flags &= ~S_SYNC;
- if (xflags & FS_XFLAG_NOATIME)
- inode->i_flags |= S_NOATIME;
- else
- inode->i_flags &= ~S_NOATIME;
-#if 0 /* disabled until the flag switching races are sorted out */
- if (xflags & FS_XFLAG_DAX)
- inode->i_flags |= S_DAX;
- else
- inode->i_flags &= ~S_DAX;
-#endif
-}
-
static int
xfs_ioctl_setattr_xflags(
struct xfs_trans *tp,
@@ -1242,7 +1202,7 @@ xfs_ioctl_setattr_xflags(
uint64_t di_flags2;
/* Can't change realtime flag if any extents are allocated. */
- if ((ip->i_d.di_nextents || ip->i_delayed_blks) &&
+ if ((ip->i_df.if_nextents || ip->i_delayed_blks) &&
XFS_IS_REALTIME_INODE(ip) != (fa->fsx_xflags & FS_XFLAG_REALTIME))
return -EINVAL;
@@ -1269,7 +1229,7 @@ xfs_ioctl_setattr_xflags(
ip->i_d.di_flags = xfs_flags2diflags(ip, fa->fsx_xflags);
ip->i_d.di_flags2 = di_flags2;
- xfs_diflags_to_linux(ip);
+ xfs_diflags_to_iflags(ip, false);
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG);
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
XFS_STATS_INC(mp, xs_ig_attrchg);
@@ -1420,7 +1380,7 @@ xfs_ioctl_setattr_check_extsize(
xfs_extlen_t size;
xfs_fsblock_t extsize_fsb;
- if (S_ISREG(VFS_I(ip)->i_mode) && ip->i_d.di_nextents &&
+ if (S_ISREG(VFS_I(ip)->i_mode) && ip->i_df.if_nextents &&
((ip->i_d.di_extsize << mp->m_sb.sb_blocklog) != fa->fsx_extsize))
return -EINVAL;
@@ -1513,7 +1473,6 @@ xfs_ioctl_setattr(
struct fsxattr old_fa;
struct xfs_mount *mp = ip->i_mount;
struct xfs_trans *tp;
- struct xfs_dquot *udqp = NULL;
struct xfs_dquot *pdqp = NULL;
struct xfs_dquot *olddquot = NULL;
int code;
@@ -1536,7 +1495,7 @@ xfs_ioctl_setattr(
if (XFS_IS_QUOTA_ON(mp)) {
code = xfs_qm_vop_dqalloc(ip, VFS_I(ip)->i_uid,
VFS_I(ip)->i_gid, fa->fsx_projid,
- XFS_QMOPT_PQUOTA, &udqp, NULL, &pdqp);
+ XFS_QMOPT_PQUOTA, NULL, NULL, &pdqp);
if (code)
return code;
}
@@ -1560,7 +1519,7 @@ xfs_ioctl_setattr(
if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_PQUOTA_ON(mp) &&
ip->i_d.di_projid != fa->fsx_projid) {
- code = xfs_qm_vop_chown_reserve(tp, ip, udqp, NULL, pdqp,
+ code = xfs_qm_vop_chown_reserve(tp, ip, NULL, NULL, pdqp,
capable(CAP_FOWNER) ? XFS_QMOPT_FORCE_RES : 0);
if (code) /* out of quota */
goto error_trans_cancel;
@@ -1626,7 +1585,6 @@ xfs_ioctl_setattr(
* Release any dquot(s) the inode had kept before chown.
*/
xfs_qm_dqrele(olddquot);
- xfs_qm_dqrele(udqp);
xfs_qm_dqrele(pdqp);
return code;
@@ -1634,7 +1592,6 @@ xfs_ioctl_setattr(
error_trans_cancel:
xfs_trans_cancel(tp);
error_free_dquots:
- xfs_qm_dqrele(udqp);
xfs_qm_dqrele(pdqp);
return code;
}
@@ -2082,6 +2039,41 @@ out:
return error;
}
+static inline int
+xfs_fs_eofblocks_from_user(
+ struct xfs_fs_eofblocks *src,
+ struct xfs_eofblocks *dst)
+{
+ if (src->eof_version != XFS_EOFBLOCKS_VERSION)
+ return -EINVAL;
+
+ if (src->eof_flags & ~XFS_EOF_FLAGS_VALID)
+ return -EINVAL;
+
+ if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) ||
+ memchr_inv(src->pad64, 0, sizeof(src->pad64)))
+ return -EINVAL;
+
+ dst->eof_flags = src->eof_flags;
+ dst->eof_prid = src->eof_prid;
+ dst->eof_min_file_size = src->eof_min_file_size;
+
+ dst->eof_uid = INVALID_UID;
+ if (src->eof_flags & XFS_EOF_FLAGS_UID) {
+ dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid);
+ if (!uid_valid(dst->eof_uid))
+ return -EINVAL;
+ }
+
+ dst->eof_gid = INVALID_GID;
+ if (src->eof_flags & XFS_EOF_FLAGS_GID) {
+ dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid);
+ if (!gid_valid(dst->eof_gid))
+ return -EINVAL;
+ }
+ return 0;
+}
+
/*
* Note: some of the ioctl's return positive numbers as a
* byte count indicating success, such as readlink_by_handle.
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index bb590a267a7f..b9a8c3798e08 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -352,22 +352,10 @@ xfs_quota_calc_throttle(
}
/*
- * If we are doing a write at the end of the file and there are no allocations
- * past this one, then extend the allocation out to the file system's write
- * iosize.
- *
* If we don't have a user specified preallocation size, dynamically increase
* the preallocation size as the size of the file grows. Cap the maximum size
* at a single extent or less if the filesystem is near full. The closer the
- * filesystem is to full, the smaller the maximum prealocation.
- *
- * As an exception we don't do any preallocation at all if the file is smaller
- * than the minimum preallocation and we are using the default dynamic
- * preallocation scheme, as it is likely this is the only write to the file that
- * is going to be done.
- *
- * We clean up any extra space left over when the file is closed in
- * xfs_inactive().
+ * filesystem is to being full, the smaller the maximum preallocation.
*/
STATIC xfs_fsblock_t
xfs_iomap_prealloc_size(
@@ -377,63 +365,70 @@ xfs_iomap_prealloc_size(
loff_t count,
struct xfs_iext_cursor *icur)
{
+ struct xfs_iext_cursor ncur = *icur;
+ struct xfs_bmbt_irec prev, got;
struct xfs_mount *mp = ip->i_mount;
struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
xfs_fileoff_t offset_fsb = XFS_B_TO_FSBT(mp, offset);
- struct xfs_bmbt_irec prev;
- int shift = 0;
int64_t freesp;
xfs_fsblock_t qblocks;
- int qshift = 0;
xfs_fsblock_t alloc_blocks = 0;
+ xfs_extlen_t plen;
+ int shift = 0;
+ int qshift = 0;
- if (offset + count <= XFS_ISIZE(ip))
- return 0;
-
- if (!(mp->m_flags & XFS_MOUNT_ALLOCSIZE) &&
- (XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_allocsize_blocks)))
+ /*
+ * As an exception we don't do any preallocation at all if the file is
+ * smaller than the minimum preallocation and we are using the default
+ * dynamic preallocation scheme, as it is likely this is the only write
+ * to the file that is going to be done.
+ */
+ if (XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_allocsize_blocks))
return 0;
/*
- * If an explicit allocsize is set, the file is small, or we
- * are writing behind a hole, then use the minimum prealloc:
+ * Use the minimum preallocation size for small files or if we are
+ * writing right after a hole.
*/
- if ((mp->m_flags & XFS_MOUNT_ALLOCSIZE) ||
- XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_dalign) ||
- !xfs_iext_peek_prev_extent(ifp, icur, &prev) ||
+ if (XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_dalign) ||
+ !xfs_iext_prev_extent(ifp, &ncur, &prev) ||
prev.br_startoff + prev.br_blockcount < offset_fsb)
return mp->m_allocsize_blocks;
/*
- * Determine the initial size of the preallocation. We are beyond the
- * current EOF here, but we need to take into account whether this is
- * a sparse write or an extending write when determining the
- * preallocation size. Hence we need to look up the extent that ends
- * at the current write offset and use the result to determine the
- * preallocation size.
- *
- * If the extent is a hole, then preallocation is essentially disabled.
- * Otherwise we take the size of the preceding data extent as the basis
- * for the preallocation size. If the size of the extent is greater than
- * half the maximum extent length, then use the current offset as the
- * basis. This ensures that for large files the preallocation size
- * always extends to MAXEXTLEN rather than falling short due to things
- * like stripe unit/width alignment of real extents.
+ * Take the size of the preceding data extents as the basis for the
+ * preallocation size. Note that we don't care if the previous extents
+ * are written or not.
*/
- if (prev.br_blockcount <= (MAXEXTLEN >> 1))
- alloc_blocks = prev.br_blockcount << 1;
- else
+ plen = prev.br_blockcount;
+ while (xfs_iext_prev_extent(ifp, &ncur, &got)) {
+ if (plen > MAXEXTLEN / 2 ||
+ isnullstartblock(got.br_startblock) ||
+ got.br_startoff + got.br_blockcount != prev.br_startoff ||
+ got.br_startblock + got.br_blockcount != prev.br_startblock)
+ break;
+ plen += got.br_blockcount;
+ prev = got;
+ }
+
+ /*
+ * If the size of the extents is greater than half the maximum extent
+ * length, then use the current offset as the basis. This ensures that
+ * for large files the preallocation size always extends to MAXEXTLEN
+ * rather than falling short due to things like stripe unit/width
+ * alignment of real extents.
+ */
+ alloc_blocks = plen * 2;
+ if (alloc_blocks > MAXEXTLEN)
alloc_blocks = XFS_B_TO_FSB(mp, offset);
- if (!alloc_blocks)
- goto check_writeio;
qblocks = alloc_blocks;
/*
* MAXEXTLEN is not a power of two value but we round the prealloc down
* to the nearest power of two value after throttling. To prevent the
- * round down from unconditionally reducing the maximum supported prealloc
- * size, we round up first, apply appropriate throttling, round down and
- * cap the value to MAXEXTLEN.
+ * round down from unconditionally reducing the maximum supported
+ * prealloc size, we round up first, apply appropriate throttling,
+ * round down and cap the value to MAXEXTLEN.
*/
alloc_blocks = XFS_FILEOFF_MIN(roundup_pow_of_two(MAXEXTLEN),
alloc_blocks);
@@ -494,7 +489,6 @@ xfs_iomap_prealloc_size(
*/
while (alloc_blocks && alloc_blocks >= freesp)
alloc_blocks >>= 4;
-check_writeio:
if (alloc_blocks < mp->m_allocsize_blocks)
alloc_blocks = mp->m_allocsize_blocks;
trace_xfs_iomap_prealloc_size(ip, alloc_blocks, shift,
@@ -563,7 +557,7 @@ xfs_iomap_write_unwritten(
xfs_trans_ijoin(tp, ip, 0);
error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,
- XFS_QMOPT_RES_REGBLKS);
+ XFS_QMOPT_RES_REGBLKS | XFS_QMOPT_FORCE_RES);
if (error)
goto error_on_bmapi_transaction;
@@ -856,7 +850,7 @@ xfs_buffered_write_iomap_begin(
xfs_ilock(ip, XFS_ILOCK_EXCL);
- if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, XFS_DATA_FORK)) ||
+ if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(&ip->i_df)) ||
XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) {
error = -EFSCORRUPTED;
goto out_unlock;
@@ -961,9 +955,16 @@ xfs_buffered_write_iomap_begin(
if (error)
goto out_unlock;
- if (eof) {
- prealloc_blocks = xfs_iomap_prealloc_size(ip, allocfork, offset,
- count, &icur);
+ if (eof && offset + count > XFS_ISIZE(ip)) {
+ /*
+ * Determine the initial size of the preallocation.
+ * We clean up any extra preallocation when the file is closed.
+ */
+ if (mp->m_flags & XFS_MOUNT_ALLOCSIZE)
+ prealloc_blocks = mp->m_allocsize_blocks;
+ else
+ prealloc_blocks = xfs_iomap_prealloc_size(ip, allocfork,
+ offset, count, &icur);
if (prealloc_blocks) {
xfs_extlen_t align;
xfs_off_t end_offset;
@@ -1258,12 +1259,12 @@ xfs_xattr_iomap_begin(
lockmode = xfs_ilock_attr_map_shared(ip);
/* if there are no attribute fork or extents, return ENOENT */
- if (!XFS_IFORK_Q(ip) || !ip->i_d.di_anextents) {
+ if (!XFS_IFORK_Q(ip) || !ip->i_afp->if_nextents) {
error = -ENOENT;
goto out_unlock;
}
- ASSERT(ip->i_d.di_aformat != XFS_DINODE_FMT_LOCAL);
+ ASSERT(ip->i_afp->if_format != XFS_DINODE_FMT_LOCAL);
error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap,
&nimaps, XFS_BMAPI_ATTRFORK);
out_unlock:
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index f7a99b3bbcf7..d66528fa3657 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -738,12 +738,7 @@ xfs_setattr_nonsize(
if (error) /* out of quota */
goto out_cancel;
}
- }
- /*
- * Change file ownership. Must be the owner or privileged.
- */
- if (mask & (ATTR_UID|ATTR_GID)) {
/*
* CAP_FSETID overrides the following restrictions:
*
@@ -877,7 +872,7 @@ xfs_setattr_size(
/*
* Short circuit the truncate case for zero length files.
*/
- if (newsize == 0 && oldsize == 0 && ip->i_d.di_nextents == 0) {
+ if (newsize == 0 && oldsize == 0 && ip->i_df.if_nextents == 0) {
if (!(iattr->ia_valid & (ATTR_CTIME|ATTR_MTIME)))
return 0;
@@ -1243,13 +1238,12 @@ xfs_inode_supports_dax(
{
struct xfs_mount *mp = ip->i_mount;
- /* Only supported on non-reflinked files. */
- if (!S_ISREG(VFS_I(ip)->i_mode) || xfs_is_reflink_inode(ip))
+ /* Only supported on regular files. */
+ if (!S_ISREG(VFS_I(ip)->i_mode))
return false;
- /* DAX mount option or DAX iflag must be set. */
- if (!(mp->m_flags & XFS_MOUNT_DAX) &&
- !(ip->i_d.di_flags2 & XFS_DIFLAG2_DAX))
+ /* Only supported on non-reflinked files. */
+ if (xfs_is_reflink_inode(ip))
return false;
/* Block size must match page size */
@@ -1260,26 +1254,51 @@ xfs_inode_supports_dax(
return xfs_inode_buftarg(ip)->bt_daxdev != NULL;
}
-STATIC void
+static bool
+xfs_inode_should_enable_dax(
+ struct xfs_inode *ip)
+{
+ if (!IS_ENABLED(CONFIG_FS_DAX))
+ return false;
+ if (ip->i_mount->m_flags & XFS_MOUNT_DAX_NEVER)
+ return false;
+ if (!xfs_inode_supports_dax(ip))
+ return false;
+ if (ip->i_mount->m_flags & XFS_MOUNT_DAX_ALWAYS)
+ return true;
+ if (ip->i_d.di_flags2 & XFS_DIFLAG2_DAX)
+ return true;
+ return false;
+}
+
+void
xfs_diflags_to_iflags(
- struct inode *inode,
- struct xfs_inode *ip)
+ struct xfs_inode *ip,
+ bool init)
{
- uint16_t flags = ip->i_d.di_flags;
-
- inode->i_flags &= ~(S_IMMUTABLE | S_APPEND | S_SYNC |
- S_NOATIME | S_DAX);
-
- if (flags & XFS_DIFLAG_IMMUTABLE)
- inode->i_flags |= S_IMMUTABLE;
- if (flags & XFS_DIFLAG_APPEND)
- inode->i_flags |= S_APPEND;
- if (flags & XFS_DIFLAG_SYNC)
- inode->i_flags |= S_SYNC;
- if (flags & XFS_DIFLAG_NOATIME)
- inode->i_flags |= S_NOATIME;
- if (xfs_inode_supports_dax(ip))
- inode->i_flags |= S_DAX;
+ struct inode *inode = VFS_I(ip);
+ unsigned int xflags = xfs_ip2xflags(ip);
+ unsigned int flags = 0;
+
+ ASSERT(!(IS_DAX(inode) && init));
+
+ if (xflags & FS_XFLAG_IMMUTABLE)
+ flags |= S_IMMUTABLE;
+ if (xflags & FS_XFLAG_APPEND)
+ flags |= S_APPEND;
+ if (xflags & FS_XFLAG_SYNC)
+ flags |= S_SYNC;
+ if (xflags & FS_XFLAG_NOATIME)
+ flags |= S_NOATIME;
+ if (init && xfs_inode_should_enable_dax(ip))
+ flags |= S_DAX;
+
+ /*
+ * S_DAX can only be set during inode initialization and is never set by
+ * the VFS, so we cannot mask off S_DAX in i_flags.
+ */
+ inode->i_flags &= ~(S_IMMUTABLE | S_APPEND | S_SYNC | S_NOATIME);
+ inode->i_flags |= flags;
}
/*
@@ -1305,7 +1324,7 @@ xfs_setup_inode(
inode_fake_hash(inode);
i_size_write(inode, ip->i_d.di_size);
- xfs_diflags_to_iflags(inode, ip);
+ xfs_diflags_to_iflags(ip, true);
if (S_ISDIR(inode->i_mode)) {
/*
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index ff2da28fed90..16ca97a7ff00 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -104,9 +104,9 @@ xfs_bulkstat_one_int(
buf->bs_xflags = xfs_ip2xflags(ip);
buf->bs_extsize_blks = dic->di_extsize;
- buf->bs_extents = dic->di_nextents;
+ buf->bs_extents = xfs_ifork_nextents(&ip->i_df);
xfs_bulkstat_health(ip, buf);
- buf->bs_aextents = dic->di_anextents;
+ buf->bs_aextents = xfs_ifork_nextents(ip->i_afp);
buf->bs_forkoff = XFS_IFORK_BOFF(ip);
buf->bs_version = XFS_BULKSTAT_VERSION_V5;
@@ -115,7 +115,7 @@ xfs_bulkstat_one_int(
buf->bs_cowextsize_blks = dic->di_cowextsize;
}
- switch (dic->di_format) {
+ switch (ip->i_df.if_format) {
case XFS_DINODE_FMT_DEV:
buf->bs_rdev = sysv_encode_dev(inode->i_rdev);
buf->bs_blksize = BLKDEV_IOSIZE;
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 11c3502b07b1..ec015df55b77 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -18,21 +18,13 @@
#include "xfs_log.h"
#include "xfs_log_priv.h"
#include "xfs_log_recover.h"
-#include "xfs_inode_item.h"
-#include "xfs_extfree_item.h"
#include "xfs_trans_priv.h"
#include "xfs_alloc.h"
#include "xfs_ialloc.h"
-#include "xfs_quota.h"
#include "xfs_trace.h"
#include "xfs_icache.h"
-#include "xfs_bmap_btree.h"
#include "xfs_error.h"
-#include "xfs_dir2.h"
-#include "xfs_rmap_item.h"
#include "xfs_buf_item.h"
-#include "xfs_refcount_item.h"
-#include "xfs_bmap_item.h"
#define BLK_AVG(blk1, blk2) ((blk1+blk2) >> 1)
@@ -56,17 +48,6 @@ xlog_do_recovery_pass(
struct xlog *, xfs_daddr_t, xfs_daddr_t, int, xfs_daddr_t *);
/*
- * This structure is used during recovery to record the buf log items which
- * have been canceled and should not be replayed.
- */
-struct xfs_buf_cancel {
- xfs_daddr_t bc_blkno;
- uint bc_len;
- int bc_refcount;
- struct list_head bc_list;
-};
-
-/*
* Sector aligned buffer routines for buffer create/read/write/access
*/
@@ -284,7 +265,7 @@ xlog_header_check_mount(
return 0;
}
-STATIC void
+void
xlog_recover_iodone(
struct xfs_buf *bp)
{
@@ -1779,12 +1760,72 @@ xlog_clear_stale_blocks(
return 0;
}
+/*
+ * Release the recovered intent item in the AIL that matches the given intent
+ * type and intent id.
+ */
+void
+xlog_recover_release_intent(
+ struct xlog *log,
+ unsigned short intent_type,
+ uint64_t intent_id)
+{
+ struct xfs_ail_cursor cur;
+ struct xfs_log_item *lip;
+ struct xfs_ail *ailp = log->l_ailp;
+
+ spin_lock(&ailp->ail_lock);
+ for (lip = xfs_trans_ail_cursor_first(ailp, &cur, 0); lip != NULL;
+ lip = xfs_trans_ail_cursor_next(ailp, &cur)) {
+ if (lip->li_type != intent_type)
+ continue;
+ if (!lip->li_ops->iop_match(lip, intent_id))
+ continue;
+
+ spin_unlock(&ailp->ail_lock);
+ lip->li_ops->iop_release(lip);
+ spin_lock(&ailp->ail_lock);
+ break;
+ }
+
+ xfs_trans_ail_cursor_done(&cur);
+ spin_unlock(&ailp->ail_lock);
+}
+
/******************************************************************************
*
* Log recover routines
*
******************************************************************************
*/
+static const struct xlog_recover_item_ops *xlog_recover_item_ops[] = {
+ &xlog_buf_item_ops,
+ &xlog_inode_item_ops,
+ &xlog_dquot_item_ops,
+ &xlog_quotaoff_item_ops,
+ &xlog_icreate_item_ops,
+ &xlog_efi_item_ops,
+ &xlog_efd_item_ops,
+ &xlog_rui_item_ops,
+ &xlog_rud_item_ops,
+ &xlog_cui_item_ops,
+ &xlog_cud_item_ops,
+ &xlog_bui_item_ops,
+ &xlog_bud_item_ops,
+};
+
+static const struct xlog_recover_item_ops *
+xlog_find_item_ops(
+ struct xlog_recover_item *item)
+{
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(xlog_recover_item_ops); i++)
+ if (ITEM_TYPE(item) == xlog_recover_item_ops[i]->item_type)
+ return xlog_recover_item_ops[i];
+
+ return NULL;
+}
/*
* Sort the log items in the transaction.
@@ -1841,54 +1882,23 @@ xlog_recover_reorder_trans(
struct xlog_recover *trans,
int pass)
{
- xlog_recover_item_t *item, *n;
+ struct xlog_recover_item *item, *n;
int error = 0;
LIST_HEAD(sort_list);
LIST_HEAD(cancel_list);
LIST_HEAD(buffer_list);
LIST_HEAD(inode_buffer_list);
- LIST_HEAD(inode_list);
+ LIST_HEAD(item_list);
list_splice_init(&trans->r_itemq, &sort_list);
list_for_each_entry_safe(item, n, &sort_list, ri_list) {
- xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr;
+ enum xlog_recover_reorder fate = XLOG_REORDER_ITEM_LIST;
- switch (ITEM_TYPE(item)) {
- case XFS_LI_ICREATE:
- list_move_tail(&item->ri_list, &buffer_list);
- break;
- case XFS_LI_BUF:
- if (buf_f->blf_flags & XFS_BLF_CANCEL) {
- trace_xfs_log_recover_item_reorder_head(log,
- trans, item, pass);
- list_move(&item->ri_list, &cancel_list);
- break;
- }
- if (buf_f->blf_flags & XFS_BLF_INODE_BUF) {
- list_move(&item->ri_list, &inode_buffer_list);
- break;
- }
- list_move_tail(&item->ri_list, &buffer_list);
- break;
- case XFS_LI_INODE:
- case XFS_LI_DQUOT:
- case XFS_LI_QUOTAOFF:
- case XFS_LI_EFD:
- case XFS_LI_EFI:
- case XFS_LI_RUI:
- case XFS_LI_RUD:
- case XFS_LI_CUI:
- case XFS_LI_CUD:
- case XFS_LI_BUI:
- case XFS_LI_BUD:
- trace_xfs_log_recover_item_reorder_tail(log,
- trans, item, pass);
- list_move_tail(&item->ri_list, &inode_list);
- break;
- default:
+ item->ri_ops = xlog_find_item_ops(item);
+ if (!item->ri_ops) {
xfs_warn(log->l_mp,
- "%s: unrecognized type of log operation",
- __func__);
+ "%s: unrecognized type of log operation (%d)",
+ __func__, ITEM_TYPE(item));
ASSERT(0);
/*
* return the remaining items back to the transaction
@@ -1896,16 +1906,38 @@ xlog_recover_reorder_trans(
*/
if (!list_empty(&sort_list))
list_splice_init(&sort_list, &trans->r_itemq);
- error = -EIO;
- goto out;
+ error = -EFSCORRUPTED;
+ break;
+ }
+
+ if (item->ri_ops->reorder)
+ fate = item->ri_ops->reorder(item);
+
+ switch (fate) {
+ case XLOG_REORDER_BUFFER_LIST:
+ list_move_tail(&item->ri_list, &buffer_list);
+ break;
+ case XLOG_REORDER_CANCEL_LIST:
+ trace_xfs_log_recover_item_reorder_head(log,
+ trans, item, pass);
+ list_move(&item->ri_list, &cancel_list);
+ break;
+ case XLOG_REORDER_INODE_BUFFER_LIST:
+ list_move(&item->ri_list, &inode_buffer_list);
+ break;
+ case XLOG_REORDER_ITEM_LIST:
+ trace_xfs_log_recover_item_reorder_tail(log,
+ trans, item, pass);
+ list_move_tail(&item->ri_list, &item_list);
+ break;
}
}
-out:
+
ASSERT(list_empty(&sort_list));
if (!list_empty(&buffer_list))
list_splice(&buffer_list, &trans->r_itemq);
- if (!list_empty(&inode_list))
- list_splice_tail(&inode_list, &trans->r_itemq);
+ if (!list_empty(&item_list))
+ list_splice_tail(&item_list, &trans->r_itemq);
if (!list_empty(&inode_buffer_list))
list_splice_tail(&inode_buffer_list, &trans->r_itemq);
if (!list_empty(&cancel_list))
@@ -1913,2152 +1945,15 @@ out:
return error;
}
-/*
- * Build up the table of buf cancel records so that we don't replay
- * cancelled data in the second pass. For buffer records that are
- * not cancel records, there is nothing to do here so we just return.
- *
- * If we get a cancel record which is already in the table, this indicates
- * that the buffer was cancelled multiple times. In order to ensure
- * that during pass 2 we keep the record in the table until we reach its
- * last occurrence in the log, we keep a reference count in the cancel
- * record in the table to tell us how many times we expect to see this
- * record during the second pass.
- */
-STATIC int
-xlog_recover_buffer_pass1(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr;
- struct list_head *bucket;
- struct xfs_buf_cancel *bcp;
-
- if (!xfs_buf_log_check_iovec(&item->ri_buf[0])) {
- xfs_err(log->l_mp, "bad buffer log item size (%d)",
- item->ri_buf[0].i_len);
- return -EFSCORRUPTED;
- }
-
- /*
- * If this isn't a cancel buffer item, then just return.
- */
- if (!(buf_f->blf_flags & XFS_BLF_CANCEL)) {
- trace_xfs_log_recover_buf_not_cancel(log, buf_f);
- return 0;
- }
-
- /*
- * Insert an xfs_buf_cancel record into the hash table of them.
- * If there is already an identical record, bump its reference count.
- */
- bucket = XLOG_BUF_CANCEL_BUCKET(log, buf_f->blf_blkno);
- list_for_each_entry(bcp, bucket, bc_list) {
- if (bcp->bc_blkno == buf_f->blf_blkno &&
- bcp->bc_len == buf_f->blf_len) {
- bcp->bc_refcount++;
- trace_xfs_log_recover_buf_cancel_ref_inc(log, buf_f);
- return 0;
- }
- }
-
- bcp = kmem_alloc(sizeof(struct xfs_buf_cancel), 0);
- bcp->bc_blkno = buf_f->blf_blkno;
- bcp->bc_len = buf_f->blf_len;
- bcp->bc_refcount = 1;
- list_add_tail(&bcp->bc_list, bucket);
-
- trace_xfs_log_recover_buf_cancel_add(log, buf_f);
- return 0;
-}
-
-/*
- * Check to see whether the buffer being recovered has a corresponding
- * entry in the buffer cancel record table. If it is, return the cancel
- * buffer structure to the caller.
- */
-STATIC struct xfs_buf_cancel *
-xlog_peek_buffer_cancelled(
- struct xlog *log,
- xfs_daddr_t blkno,
- uint len,
- unsigned short flags)
-{
- struct list_head *bucket;
- struct xfs_buf_cancel *bcp;
-
- if (!log->l_buf_cancel_table) {
- /* empty table means no cancelled buffers in the log */
- ASSERT(!(flags & XFS_BLF_CANCEL));
- return NULL;
- }
-
- bucket = XLOG_BUF_CANCEL_BUCKET(log, blkno);
- list_for_each_entry(bcp, bucket, bc_list) {
- if (bcp->bc_blkno == blkno && bcp->bc_len == len)
- return bcp;
- }
-
- /*
- * We didn't find a corresponding entry in the table, so return 0 so
- * that the buffer is NOT cancelled.
- */
- ASSERT(!(flags & XFS_BLF_CANCEL));
- return NULL;
-}
-
-/*
- * If the buffer is being cancelled then return 1 so that it will be cancelled,
- * otherwise return 0. If the buffer is actually a buffer cancel item
- * (XFS_BLF_CANCEL is set), then decrement the refcount on the entry in the
- * table and remove it from the table if this is the last reference.
- *
- * We remove the cancel record from the table when we encounter its last
- * occurrence in the log so that if the same buffer is re-used again after its
- * last cancellation we actually replay the changes made at that point.
- */
-STATIC int
-xlog_check_buffer_cancelled(
+void
+xlog_buf_readahead(
struct xlog *log,
xfs_daddr_t blkno,
uint len,
- unsigned short flags)
-{
- struct xfs_buf_cancel *bcp;
-
- bcp = xlog_peek_buffer_cancelled(log, blkno, len, flags);
- if (!bcp)
- return 0;
-
- /*
- * We've go a match, so return 1 so that the recovery of this buffer
- * is cancelled. If this buffer is actually a buffer cancel log
- * item, then decrement the refcount on the one in the table and
- * remove it if this is the last reference.
- */
- if (flags & XFS_BLF_CANCEL) {
- if (--bcp->bc_refcount == 0) {
- list_del(&bcp->bc_list);
- kmem_free(bcp);
- }
- }
- return 1;
-}
-
-/*
- * Perform recovery for a buffer full of inodes. In these buffers, the only
- * data which should be recovered is that which corresponds to the
- * di_next_unlinked pointers in the on disk inode structures. The rest of the
- * data for the inodes is always logged through the inodes themselves rather
- * than the inode buffer and is recovered in xlog_recover_inode_pass2().
- *
- * The only time when buffers full of inodes are fully recovered is when the
- * buffer is full of newly allocated inodes. In this case the buffer will
- * not be marked as an inode buffer and so will be sent to
- * xlog_recover_do_reg_buffer() below during recovery.
- */
-STATIC int
-xlog_recover_do_inode_buffer(
- struct xfs_mount *mp,
- xlog_recover_item_t *item,
- struct xfs_buf *bp,
- xfs_buf_log_format_t *buf_f)
-{
- int i;
- int item_index = 0;
- int bit = 0;
- int nbits = 0;
- int reg_buf_offset = 0;
- int reg_buf_bytes = 0;
- int next_unlinked_offset;
- int inodes_per_buf;
- xfs_agino_t *logged_nextp;
- xfs_agino_t *buffer_nextp;
-
- trace_xfs_log_recover_buf_inode_buf(mp->m_log, buf_f);
-
- /*
- * Post recovery validation only works properly on CRC enabled
- * filesystems.
- */
- if (xfs_sb_version_hascrc(&mp->m_sb))
- bp->b_ops = &xfs_inode_buf_ops;
-
- inodes_per_buf = BBTOB(bp->b_length) >> mp->m_sb.sb_inodelog;
- for (i = 0; i < inodes_per_buf; i++) {
- next_unlinked_offset = (i * mp->m_sb.sb_inodesize) +
- offsetof(xfs_dinode_t, di_next_unlinked);
-
- while (next_unlinked_offset >=
- (reg_buf_offset + reg_buf_bytes)) {
- /*
- * The next di_next_unlinked field is beyond
- * the current logged region. Find the next
- * logged region that contains or is beyond
- * the current di_next_unlinked field.
- */
- bit += nbits;
- bit = xfs_next_bit(buf_f->blf_data_map,
- buf_f->blf_map_size, bit);
-
- /*
- * If there are no more logged regions in the
- * buffer, then we're done.
- */
- if (bit == -1)
- return 0;
-
- nbits = xfs_contig_bits(buf_f->blf_data_map,
- buf_f->blf_map_size, bit);
- ASSERT(nbits > 0);
- reg_buf_offset = bit << XFS_BLF_SHIFT;
- reg_buf_bytes = nbits << XFS_BLF_SHIFT;
- item_index++;
- }
-
- /*
- * If the current logged region starts after the current
- * di_next_unlinked field, then move on to the next
- * di_next_unlinked field.
- */
- if (next_unlinked_offset < reg_buf_offset)
- continue;
-
- ASSERT(item->ri_buf[item_index].i_addr != NULL);
- ASSERT((item->ri_buf[item_index].i_len % XFS_BLF_CHUNK) == 0);
- ASSERT((reg_buf_offset + reg_buf_bytes) <= BBTOB(bp->b_length));
-
- /*
- * The current logged region contains a copy of the
- * current di_next_unlinked field. Extract its value
- * and copy it to the buffer copy.
- */
- logged_nextp = item->ri_buf[item_index].i_addr +
- next_unlinked_offset - reg_buf_offset;
- if (XFS_IS_CORRUPT(mp, *logged_nextp == 0)) {
- xfs_alert(mp,
- "Bad inode buffer log record (ptr = "PTR_FMT", bp = "PTR_FMT"). "
- "Trying to replay bad (0) inode di_next_unlinked field.",
- item, bp);
- return -EFSCORRUPTED;
- }
-
- buffer_nextp = xfs_buf_offset(bp, next_unlinked_offset);
- *buffer_nextp = *logged_nextp;
-
- /*
- * If necessary, recalculate the CRC in the on-disk inode. We
- * have to leave the inode in a consistent state for whoever
- * reads it next....
- */
- xfs_dinode_calc_crc(mp,
- xfs_buf_offset(bp, i * mp->m_sb.sb_inodesize));
-
- }
-
- return 0;
-}
-
-/*
- * V5 filesystems know the age of the buffer on disk being recovered. We can
- * have newer objects on disk than we are replaying, and so for these cases we
- * don't want to replay the current change as that will make the buffer contents
- * temporarily invalid on disk.
- *
- * The magic number might not match the buffer type we are going to recover
- * (e.g. reallocated blocks), so we ignore the xfs_buf_log_format flags. Hence
- * extract the LSN of the existing object in the buffer based on it's current
- * magic number. If we don't recognise the magic number in the buffer, then
- * return a LSN of -1 so that the caller knows it was an unrecognised block and
- * so can recover the buffer.
- *
- * Note: we cannot rely solely on magic number matches to determine that the
- * buffer has a valid LSN - we also need to verify that it belongs to this
- * filesystem, so we need to extract the object's LSN and compare it to that
- * which we read from the superblock. If the UUIDs don't match, then we've got a
- * stale metadata block from an old filesystem instance that we need to recover
- * over the top of.
- */
-static xfs_lsn_t
-xlog_recover_get_buf_lsn(
- struct xfs_mount *mp,
- struct xfs_buf *bp)
-{
- uint32_t magic32;
- uint16_t magic16;
- uint16_t magicda;
- void *blk = bp->b_addr;
- uuid_t *uuid;
- xfs_lsn_t lsn = -1;
-
- /* v4 filesystems always recover immediately */
- if (!xfs_sb_version_hascrc(&mp->m_sb))
- goto recover_immediately;
-
- magic32 = be32_to_cpu(*(__be32 *)blk);
- switch (magic32) {
- case XFS_ABTB_CRC_MAGIC:
- case XFS_ABTC_CRC_MAGIC:
- case XFS_ABTB_MAGIC:
- case XFS_ABTC_MAGIC:
- case XFS_RMAP_CRC_MAGIC:
- case XFS_REFC_CRC_MAGIC:
- case XFS_IBT_CRC_MAGIC:
- case XFS_IBT_MAGIC: {
- struct xfs_btree_block *btb = blk;
-
- lsn = be64_to_cpu(btb->bb_u.s.bb_lsn);
- uuid = &btb->bb_u.s.bb_uuid;
- break;
- }
- case XFS_BMAP_CRC_MAGIC:
- case XFS_BMAP_MAGIC: {
- struct xfs_btree_block *btb = blk;
-
- lsn = be64_to_cpu(btb->bb_u.l.bb_lsn);
- uuid = &btb->bb_u.l.bb_uuid;
- break;
- }
- case XFS_AGF_MAGIC:
- lsn = be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn);
- uuid = &((struct xfs_agf *)blk)->agf_uuid;
- break;
- case XFS_AGFL_MAGIC:
- lsn = be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn);
- uuid = &((struct xfs_agfl *)blk)->agfl_uuid;
- break;
- case XFS_AGI_MAGIC:
- lsn = be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn);
- uuid = &((struct xfs_agi *)blk)->agi_uuid;
- break;
- case XFS_SYMLINK_MAGIC:
- lsn = be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn);
- uuid = &((struct xfs_dsymlink_hdr *)blk)->sl_uuid;
- break;
- case XFS_DIR3_BLOCK_MAGIC:
- case XFS_DIR3_DATA_MAGIC:
- case XFS_DIR3_FREE_MAGIC:
- lsn = be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn);
- uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid;
- break;
- case XFS_ATTR3_RMT_MAGIC:
- /*
- * Remote attr blocks are written synchronously, rather than
- * being logged. That means they do not contain a valid LSN
- * (i.e. transactionally ordered) in them, and hence any time we
- * see a buffer to replay over the top of a remote attribute
- * block we should simply do so.
- */
- goto recover_immediately;
- case XFS_SB_MAGIC:
- /*
- * superblock uuids are magic. We may or may not have a
- * sb_meta_uuid on disk, but it will be set in the in-core
- * superblock. We set the uuid pointer for verification
- * according to the superblock feature mask to ensure we check
- * the relevant UUID in the superblock.
- */
- lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn);
- if (xfs_sb_version_hasmetauuid(&mp->m_sb))
- uuid = &((struct xfs_dsb *)blk)->sb_meta_uuid;
- else
- uuid = &((struct xfs_dsb *)blk)->sb_uuid;
- break;
- default:
- break;
- }
-
- if (lsn != (xfs_lsn_t)-1) {
- if (!uuid_equal(&mp->m_sb.sb_meta_uuid, uuid))
- goto recover_immediately;
- return lsn;
- }
-
- magicda = be16_to_cpu(((struct xfs_da_blkinfo *)blk)->magic);
- switch (magicda) {
- case XFS_DIR3_LEAF1_MAGIC:
- case XFS_DIR3_LEAFN_MAGIC:
- case XFS_DA3_NODE_MAGIC:
- lsn = be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn);
- uuid = &((struct xfs_da3_blkinfo *)blk)->uuid;
- break;
- default:
- break;
- }
-
- if (lsn != (xfs_lsn_t)-1) {
- if (!uuid_equal(&mp->m_sb.sb_uuid, uuid))
- goto recover_immediately;
- return lsn;
- }
-
- /*
- * We do individual object checks on dquot and inode buffers as they
- * have their own individual LSN records. Also, we could have a stale
- * buffer here, so we have to at least recognise these buffer types.
- *
- * A notd complexity here is inode unlinked list processing - it logs
- * the inode directly in the buffer, but we don't know which inodes have
- * been modified, and there is no global buffer LSN. Hence we need to
- * recover all inode buffer types immediately. This problem will be
- * fixed by logical logging of the unlinked list modifications.
- */
- magic16 = be16_to_cpu(*(__be16 *)blk);
- switch (magic16) {
- case XFS_DQUOT_MAGIC:
- case XFS_DINODE_MAGIC:
- goto recover_immediately;
- default:
- break;
- }
-
- /* unknown buffer contents, recover immediately */
-
-recover_immediately:
- return (xfs_lsn_t)-1;
-
-}
-
-/*
- * Validate the recovered buffer is of the correct type and attach the
- * appropriate buffer operations to them for writeback. Magic numbers are in a
- * few places:
- * the first 16 bits of the buffer (inode buffer, dquot buffer),
- * the first 32 bits of the buffer (most blocks),
- * inside a struct xfs_da_blkinfo at the start of the buffer.
- */
-static void
-xlog_recover_validate_buf_type(
- struct xfs_mount *mp,
- struct xfs_buf *bp,
- xfs_buf_log_format_t *buf_f,
- xfs_lsn_t current_lsn)
-{
- struct xfs_da_blkinfo *info = bp->b_addr;
- uint32_t magic32;
- uint16_t magic16;
- uint16_t magicda;
- char *warnmsg = NULL;
-
- /*
- * We can only do post recovery validation on items on CRC enabled
- * fielsystems as we need to know when the buffer was written to be able
- * to determine if we should have replayed the item. If we replay old
- * metadata over a newer buffer, then it will enter a temporarily
- * inconsistent state resulting in verification failures. Hence for now
- * just avoid the verification stage for non-crc filesystems
- */
- if (!xfs_sb_version_hascrc(&mp->m_sb))
- return;
-
- magic32 = be32_to_cpu(*(__be32 *)bp->b_addr);
- magic16 = be16_to_cpu(*(__be16*)bp->b_addr);
- magicda = be16_to_cpu(info->magic);
- switch (xfs_blft_from_flags(buf_f)) {
- case XFS_BLFT_BTREE_BUF:
- switch (magic32) {
- case XFS_ABTB_CRC_MAGIC:
- case XFS_ABTB_MAGIC:
- bp->b_ops = &xfs_bnobt_buf_ops;
- break;
- case XFS_ABTC_CRC_MAGIC:
- case XFS_ABTC_MAGIC:
- bp->b_ops = &xfs_cntbt_buf_ops;
- break;
- case XFS_IBT_CRC_MAGIC:
- case XFS_IBT_MAGIC:
- bp->b_ops = &xfs_inobt_buf_ops;
- break;
- case XFS_FIBT_CRC_MAGIC:
- case XFS_FIBT_MAGIC:
- bp->b_ops = &xfs_finobt_buf_ops;
- break;
- case XFS_BMAP_CRC_MAGIC:
- case XFS_BMAP_MAGIC:
- bp->b_ops = &xfs_bmbt_buf_ops;
- break;
- case XFS_RMAP_CRC_MAGIC:
- bp->b_ops = &xfs_rmapbt_buf_ops;
- break;
- case XFS_REFC_CRC_MAGIC:
- bp->b_ops = &xfs_refcountbt_buf_ops;
- break;
- default:
- warnmsg = "Bad btree block magic!";
- break;
- }
- break;
- case XFS_BLFT_AGF_BUF:
- if (magic32 != XFS_AGF_MAGIC) {
- warnmsg = "Bad AGF block magic!";
- break;
- }
- bp->b_ops = &xfs_agf_buf_ops;
- break;
- case XFS_BLFT_AGFL_BUF:
- if (magic32 != XFS_AGFL_MAGIC) {
- warnmsg = "Bad AGFL block magic!";
- break;
- }
- bp->b_ops = &xfs_agfl_buf_ops;
- break;
- case XFS_BLFT_AGI_BUF:
- if (magic32 != XFS_AGI_MAGIC) {
- warnmsg = "Bad AGI block magic!";
- break;
- }
- bp->b_ops = &xfs_agi_buf_ops;
- break;
- case XFS_BLFT_UDQUOT_BUF:
- case XFS_BLFT_PDQUOT_BUF:
- case XFS_BLFT_GDQUOT_BUF:
-#ifdef CONFIG_XFS_QUOTA
- if (magic16 != XFS_DQUOT_MAGIC) {
- warnmsg = "Bad DQUOT block magic!";
- break;
- }
- bp->b_ops = &xfs_dquot_buf_ops;
-#else
- xfs_alert(mp,
- "Trying to recover dquots without QUOTA support built in!");
- ASSERT(0);
-#endif
- break;
- case XFS_BLFT_DINO_BUF:
- if (magic16 != XFS_DINODE_MAGIC) {
- warnmsg = "Bad INODE block magic!";
- break;
- }
- bp->b_ops = &xfs_inode_buf_ops;
- break;
- case XFS_BLFT_SYMLINK_BUF:
- if (magic32 != XFS_SYMLINK_MAGIC) {
- warnmsg = "Bad symlink block magic!";
- break;
- }
- bp->b_ops = &xfs_symlink_buf_ops;
- break;
- case XFS_BLFT_DIR_BLOCK_BUF:
- if (magic32 != XFS_DIR2_BLOCK_MAGIC &&
- magic32 != XFS_DIR3_BLOCK_MAGIC) {
- warnmsg = "Bad dir block magic!";
- break;
- }
- bp->b_ops = &xfs_dir3_block_buf_ops;
- break;
- case XFS_BLFT_DIR_DATA_BUF:
- if (magic32 != XFS_DIR2_DATA_MAGIC &&
- magic32 != XFS_DIR3_DATA_MAGIC) {
- warnmsg = "Bad dir data magic!";
- break;
- }
- bp->b_ops = &xfs_dir3_data_buf_ops;
- break;
- case XFS_BLFT_DIR_FREE_BUF:
- if (magic32 != XFS_DIR2_FREE_MAGIC &&
- magic32 != XFS_DIR3_FREE_MAGIC) {
- warnmsg = "Bad dir3 free magic!";
- break;
- }
- bp->b_ops = &xfs_dir3_free_buf_ops;
- break;
- case XFS_BLFT_DIR_LEAF1_BUF:
- if (magicda != XFS_DIR2_LEAF1_MAGIC &&
- magicda != XFS_DIR3_LEAF1_MAGIC) {
- warnmsg = "Bad dir leaf1 magic!";
- break;
- }
- bp->b_ops = &xfs_dir3_leaf1_buf_ops;
- break;
- case XFS_BLFT_DIR_LEAFN_BUF:
- if (magicda != XFS_DIR2_LEAFN_MAGIC &&
- magicda != XFS_DIR3_LEAFN_MAGIC) {
- warnmsg = "Bad dir leafn magic!";
- break;
- }
- bp->b_ops = &xfs_dir3_leafn_buf_ops;
- break;
- case XFS_BLFT_DA_NODE_BUF:
- if (magicda != XFS_DA_NODE_MAGIC &&
- magicda != XFS_DA3_NODE_MAGIC) {
- warnmsg = "Bad da node magic!";
- break;
- }
- bp->b_ops = &xfs_da3_node_buf_ops;
- break;
- case XFS_BLFT_ATTR_LEAF_BUF:
- if (magicda != XFS_ATTR_LEAF_MAGIC &&
- magicda != XFS_ATTR3_LEAF_MAGIC) {
- warnmsg = "Bad attr leaf magic!";
- break;
- }
- bp->b_ops = &xfs_attr3_leaf_buf_ops;
- break;
- case XFS_BLFT_ATTR_RMT_BUF:
- if (magic32 != XFS_ATTR3_RMT_MAGIC) {
- warnmsg = "Bad attr remote magic!";
- break;
- }
- bp->b_ops = &xfs_attr3_rmt_buf_ops;
- break;
- case XFS_BLFT_SB_BUF:
- if (magic32 != XFS_SB_MAGIC) {
- warnmsg = "Bad SB block magic!";
- break;
- }
- bp->b_ops = &xfs_sb_buf_ops;
- break;
-#ifdef CONFIG_XFS_RT
- case XFS_BLFT_RTBITMAP_BUF:
- case XFS_BLFT_RTSUMMARY_BUF:
- /* no magic numbers for verification of RT buffers */
- bp->b_ops = &xfs_rtbuf_ops;
- break;
-#endif /* CONFIG_XFS_RT */
- default:
- xfs_warn(mp, "Unknown buffer type %d!",
- xfs_blft_from_flags(buf_f));
- break;
- }
-
- /*
- * Nothing else to do in the case of a NULL current LSN as this means
- * the buffer is more recent than the change in the log and will be
- * skipped.
- */
- if (current_lsn == NULLCOMMITLSN)
- return;
-
- if (warnmsg) {
- xfs_warn(mp, warnmsg);
- ASSERT(0);
- }
-
- /*
- * We must update the metadata LSN of the buffer as it is written out to
- * ensure that older transactions never replay over this one and corrupt
- * the buffer. This can occur if log recovery is interrupted at some
- * point after the current transaction completes, at which point a
- * subsequent mount starts recovery from the beginning.
- *
- * Write verifiers update the metadata LSN from log items attached to
- * the buffer. Therefore, initialize a bli purely to carry the LSN to
- * the verifier. We'll clean it up in our ->iodone() callback.
- */
- if (bp->b_ops) {
- struct xfs_buf_log_item *bip;
-
- ASSERT(!bp->b_iodone || bp->b_iodone == xlog_recover_iodone);
- bp->b_iodone = xlog_recover_iodone;
- xfs_buf_item_init(bp, mp);
- bip = bp->b_log_item;
- bip->bli_item.li_lsn = current_lsn;
- }
-}
-
-/*
- * Perform a 'normal' buffer recovery. Each logged region of the
- * buffer should be copied over the corresponding region in the
- * given buffer. The bitmap in the buf log format structure indicates
- * where to place the logged data.
- */
-STATIC void
-xlog_recover_do_reg_buffer(
- struct xfs_mount *mp,
- xlog_recover_item_t *item,
- struct xfs_buf *bp,
- xfs_buf_log_format_t *buf_f,
- xfs_lsn_t current_lsn)
-{
- int i;
- int bit;
- int nbits;
- xfs_failaddr_t fa;
- const size_t size_disk_dquot = sizeof(struct xfs_disk_dquot);
-
- trace_xfs_log_recover_buf_reg_buf(mp->m_log, buf_f);
-
- bit = 0;
- i = 1; /* 0 is the buf format structure */
- while (1) {
- bit = xfs_next_bit(buf_f->blf_data_map,
- buf_f->blf_map_size, bit);
- if (bit == -1)
- break;
- nbits = xfs_contig_bits(buf_f->blf_data_map,
- buf_f->blf_map_size, bit);
- ASSERT(nbits > 0);
- ASSERT(item->ri_buf[i].i_addr != NULL);
- ASSERT(item->ri_buf[i].i_len % XFS_BLF_CHUNK == 0);
- ASSERT(BBTOB(bp->b_length) >=
- ((uint)bit << XFS_BLF_SHIFT) + (nbits << XFS_BLF_SHIFT));
-
- /*
- * The dirty regions logged in the buffer, even though
- * contiguous, may span multiple chunks. This is because the
- * dirty region may span a physical page boundary in a buffer
- * and hence be split into two separate vectors for writing into
- * the log. Hence we need to trim nbits back to the length of
- * the current region being copied out of the log.
- */
- if (item->ri_buf[i].i_len < (nbits << XFS_BLF_SHIFT))
- nbits = item->ri_buf[i].i_len >> XFS_BLF_SHIFT;
-
- /*
- * Do a sanity check if this is a dquot buffer. Just checking
- * the first dquot in the buffer should do. XXXThis is
- * probably a good thing to do for other buf types also.
- */
- fa = NULL;
- if (buf_f->blf_flags &
- (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
- if (item->ri_buf[i].i_addr == NULL) {
- xfs_alert(mp,
- "XFS: NULL dquot in %s.", __func__);
- goto next;
- }
- if (item->ri_buf[i].i_len < size_disk_dquot) {
- xfs_alert(mp,
- "XFS: dquot too small (%d) in %s.",
- item->ri_buf[i].i_len, __func__);
- goto next;
- }
- fa = xfs_dquot_verify(mp, item->ri_buf[i].i_addr,
- -1, 0);
- if (fa) {
- xfs_alert(mp,
- "dquot corrupt at %pS trying to replay into block 0x%llx",
- fa, bp->b_bn);
- goto next;
- }
- }
-
- memcpy(xfs_buf_offset(bp,
- (uint)bit << XFS_BLF_SHIFT), /* dest */
- item->ri_buf[i].i_addr, /* source */
- nbits<<XFS_BLF_SHIFT); /* length */
- next:
- i++;
- bit += nbits;
- }
-
- /* Shouldn't be any more regions */
- ASSERT(i == item->ri_total);
-
- xlog_recover_validate_buf_type(mp, bp, buf_f, current_lsn);
-}
-
-/*
- * Perform a dquot buffer recovery.
- * Simple algorithm: if we have found a QUOTAOFF log item of the same type
- * (ie. USR or GRP), then just toss this buffer away; don't recover it.
- * Else, treat it as a regular buffer and do recovery.
- *
- * Return false if the buffer was tossed and true if we recovered the buffer to
- * indicate to the caller if the buffer needs writing.
- */
-STATIC bool
-xlog_recover_do_dquot_buffer(
- struct xfs_mount *mp,
- struct xlog *log,
- struct xlog_recover_item *item,
- struct xfs_buf *bp,
- struct xfs_buf_log_format *buf_f)
-{
- uint type;
-
- trace_xfs_log_recover_buf_dquot_buf(log, buf_f);
-
- /*
- * Filesystems are required to send in quota flags at mount time.
- */
- if (!mp->m_qflags)
- return false;
-
- type = 0;
- if (buf_f->blf_flags & XFS_BLF_UDQUOT_BUF)
- type |= XFS_DQ_USER;
- if (buf_f->blf_flags & XFS_BLF_PDQUOT_BUF)
- type |= XFS_DQ_PROJ;
- if (buf_f->blf_flags & XFS_BLF_GDQUOT_BUF)
- type |= XFS_DQ_GROUP;
- /*
- * This type of quotas was turned off, so ignore this buffer
- */
- if (log->l_quotaoffs_flag & type)
- return false;
-
- xlog_recover_do_reg_buffer(mp, item, bp, buf_f, NULLCOMMITLSN);
- return true;
-}
-
-/*
- * This routine replays a modification made to a buffer at runtime.
- * There are actually two types of buffer, regular and inode, which
- * are handled differently. Inode buffers are handled differently
- * in that we only recover a specific set of data from them, namely
- * the inode di_next_unlinked fields. This is because all other inode
- * data is actually logged via inode records and any data we replay
- * here which overlaps that may be stale.
- *
- * When meta-data buffers are freed at run time we log a buffer item
- * with the XFS_BLF_CANCEL bit set to indicate that previous copies
- * of the buffer in the log should not be replayed at recovery time.
- * This is so that if the blocks covered by the buffer are reused for
- * file data before we crash we don't end up replaying old, freed
- * meta-data into a user's file.
- *
- * To handle the cancellation of buffer log items, we make two passes
- * over the log during recovery. During the first we build a table of
- * those buffers which have been cancelled, and during the second we
- * only replay those buffers which do not have corresponding cancel
- * records in the table. See xlog_recover_buffer_pass[1,2] above
- * for more details on the implementation of the table of cancel records.
- */
-STATIC int
-xlog_recover_buffer_pass2(
- struct xlog *log,
- struct list_head *buffer_list,
- struct xlog_recover_item *item,
- xfs_lsn_t current_lsn)
-{
- xfs_buf_log_format_t *buf_f = item->ri_buf[0].i_addr;
- xfs_mount_t *mp = log->l_mp;
- xfs_buf_t *bp;
- int error;
- uint buf_flags;
- xfs_lsn_t lsn;
-
- /*
- * In this pass we only want to recover all the buffers which have
- * not been cancelled and are not cancellation buffers themselves.
- */
- if (xlog_check_buffer_cancelled(log, buf_f->blf_blkno,
- buf_f->blf_len, buf_f->blf_flags)) {
- trace_xfs_log_recover_buf_cancel(log, buf_f);
- return 0;
- }
-
- trace_xfs_log_recover_buf_recover(log, buf_f);
-
- buf_flags = 0;
- if (buf_f->blf_flags & XFS_BLF_INODE_BUF)
- buf_flags |= XBF_UNMAPPED;
-
- error = xfs_buf_read(mp->m_ddev_targp, buf_f->blf_blkno, buf_f->blf_len,
- buf_flags, &bp, NULL);
- if (error)
- return error;
-
- /*
- * Recover the buffer only if we get an LSN from it and it's less than
- * the lsn of the transaction we are replaying.
- *
- * Note that we have to be extremely careful of readahead here.
- * Readahead does not attach verfiers to the buffers so if we don't
- * actually do any replay after readahead because of the LSN we found
- * in the buffer if more recent than that current transaction then we
- * need to attach the verifier directly. Failure to do so can lead to
- * future recovery actions (e.g. EFI and unlinked list recovery) can
- * operate on the buffers and they won't get the verifier attached. This
- * can lead to blocks on disk having the correct content but a stale
- * CRC.
- *
- * It is safe to assume these clean buffers are currently up to date.
- * If the buffer is dirtied by a later transaction being replayed, then
- * the verifier will be reset to match whatever recover turns that
- * buffer into.
- */
- lsn = xlog_recover_get_buf_lsn(mp, bp);
- if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
- trace_xfs_log_recover_buf_skip(log, buf_f);
- xlog_recover_validate_buf_type(mp, bp, buf_f, NULLCOMMITLSN);
- goto out_release;
- }
-
- if (buf_f->blf_flags & XFS_BLF_INODE_BUF) {
- error = xlog_recover_do_inode_buffer(mp, item, bp, buf_f);
- if (error)
- goto out_release;
- } else if (buf_f->blf_flags &
- (XFS_BLF_UDQUOT_BUF|XFS_BLF_PDQUOT_BUF|XFS_BLF_GDQUOT_BUF)) {
- bool dirty;
-
- dirty = xlog_recover_do_dquot_buffer(mp, log, item, bp, buf_f);
- if (!dirty)
- goto out_release;
- } else {
- xlog_recover_do_reg_buffer(mp, item, bp, buf_f, current_lsn);
- }
-
- /*
- * Perform delayed write on the buffer. Asynchronous writes will be
- * slower when taking into account all the buffers to be flushed.
- *
- * Also make sure that only inode buffers with good sizes stay in
- * the buffer cache. The kernel moves inodes in buffers of 1 block
- * or inode_cluster_size bytes, whichever is bigger. The inode
- * buffers in the log can be a different size if the log was generated
- * by an older kernel using unclustered inode buffers or a newer kernel
- * running with a different inode cluster size. Regardless, if the
- * the inode buffer size isn't max(blocksize, inode_cluster_size)
- * for *our* value of inode_cluster_size, then we need to keep
- * the buffer out of the buffer cache so that the buffer won't
- * overlap with future reads of those inodes.
- */
- if (XFS_DINODE_MAGIC ==
- be16_to_cpu(*((__be16 *)xfs_buf_offset(bp, 0))) &&
- (BBTOB(bp->b_length) != M_IGEO(log->l_mp)->inode_cluster_size)) {
- xfs_buf_stale(bp);
- error = xfs_bwrite(bp);
- } else {
- ASSERT(bp->b_mount == mp);
- bp->b_iodone = xlog_recover_iodone;
- xfs_buf_delwri_queue(bp, buffer_list);
- }
-
-out_release:
- xfs_buf_relse(bp);
- return error;
-}
-
-/*
- * Inode fork owner changes
- *
- * If we have been told that we have to reparent the inode fork, it's because an
- * extent swap operation on a CRC enabled filesystem has been done and we are
- * replaying it. We need to walk the BMBT of the appropriate fork and change the
- * owners of it.
- *
- * The complexity here is that we don't have an inode context to work with, so
- * after we've replayed the inode we need to instantiate one. This is where the
- * fun begins.
- *
- * We are in the middle of log recovery, so we can't run transactions. That
- * means we cannot use cache coherent inode instantiation via xfs_iget(), as
- * that will result in the corresponding iput() running the inode through
- * xfs_inactive(). If we've just replayed an inode core that changes the link
- * count to zero (i.e. it's been unlinked), then xfs_inactive() will run
- * transactions (bad!).
- *
- * So, to avoid this, we instantiate an inode directly from the inode core we've
- * just recovered. We have the buffer still locked, and all we really need to
- * instantiate is the inode core and the forks being modified. We can do this
- * manually, then run the inode btree owner change, and then tear down the
- * xfs_inode without having to run any transactions at all.
- *
- * Also, because we don't have a transaction context available here but need to
- * gather all the buffers we modify for writeback so we pass the buffer_list
- * instead for the operation to use.
- */
-
-STATIC int
-xfs_recover_inode_owner_change(
- struct xfs_mount *mp,
- struct xfs_dinode *dip,
- struct xfs_inode_log_format *in_f,
- struct list_head *buffer_list)
+ const struct xfs_buf_ops *ops)
{
- struct xfs_inode *ip;
- int error;
-
- ASSERT(in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER));
-
- ip = xfs_inode_alloc(mp, in_f->ilf_ino);
- if (!ip)
- return -ENOMEM;
-
- /* instantiate the inode */
- ASSERT(dip->di_version >= 3);
- xfs_inode_from_disk(ip, dip);
-
- error = xfs_iformat_fork(ip, dip);
- if (error)
- goto out_free_ip;
-
- if (!xfs_inode_verify_forks(ip)) {
- error = -EFSCORRUPTED;
- goto out_free_ip;
- }
-
- if (in_f->ilf_fields & XFS_ILOG_DOWNER) {
- ASSERT(in_f->ilf_fields & XFS_ILOG_DBROOT);
- error = xfs_bmbt_change_owner(NULL, ip, XFS_DATA_FORK,
- ip->i_ino, buffer_list);
- if (error)
- goto out_free_ip;
- }
-
- if (in_f->ilf_fields & XFS_ILOG_AOWNER) {
- ASSERT(in_f->ilf_fields & XFS_ILOG_ABROOT);
- error = xfs_bmbt_change_owner(NULL, ip, XFS_ATTR_FORK,
- ip->i_ino, buffer_list);
- if (error)
- goto out_free_ip;
- }
-
-out_free_ip:
- xfs_inode_free(ip);
- return error;
-}
-
-STATIC int
-xlog_recover_inode_pass2(
- struct xlog *log,
- struct list_head *buffer_list,
- struct xlog_recover_item *item,
- xfs_lsn_t current_lsn)
-{
- struct xfs_inode_log_format *in_f;
- xfs_mount_t *mp = log->l_mp;
- xfs_buf_t *bp;
- xfs_dinode_t *dip;
- int len;
- char *src;
- char *dest;
- int error;
- int attr_index;
- uint fields;
- struct xfs_log_dinode *ldip;
- uint isize;
- int need_free = 0;
-
- if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
- in_f = item->ri_buf[0].i_addr;
- } else {
- in_f = kmem_alloc(sizeof(struct xfs_inode_log_format), 0);
- need_free = 1;
- error = xfs_inode_item_format_convert(&item->ri_buf[0], in_f);
- if (error)
- goto error;
- }
-
- /*
- * Inode buffers can be freed, look out for it,
- * and do not replay the inode.
- */
- if (xlog_check_buffer_cancelled(log, in_f->ilf_blkno,
- in_f->ilf_len, 0)) {
- error = 0;
- trace_xfs_log_recover_inode_cancel(log, in_f);
- goto error;
- }
- trace_xfs_log_recover_inode_recover(log, in_f);
-
- error = xfs_buf_read(mp->m_ddev_targp, in_f->ilf_blkno, in_f->ilf_len,
- 0, &bp, &xfs_inode_buf_ops);
- if (error)
- goto error;
- ASSERT(in_f->ilf_fields & XFS_ILOG_CORE);
- dip = xfs_buf_offset(bp, in_f->ilf_boffset);
-
- /*
- * Make sure the place we're flushing out to really looks
- * like an inode!
- */
- if (XFS_IS_CORRUPT(mp, !xfs_verify_magic16(bp, dip->di_magic))) {
- xfs_alert(mp,
- "%s: Bad inode magic number, dip = "PTR_FMT", dino bp = "PTR_FMT", ino = %Ld",
- __func__, dip, bp, in_f->ilf_ino);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- ldip = item->ri_buf[1].i_addr;
- if (XFS_IS_CORRUPT(mp, ldip->di_magic != XFS_DINODE_MAGIC)) {
- xfs_alert(mp,
- "%s: Bad inode log record, rec ptr "PTR_FMT", ino %Ld",
- __func__, item, in_f->ilf_ino);
- error = -EFSCORRUPTED;
- goto out_release;
- }
-
- /*
- * If the inode has an LSN in it, recover the inode only if it's less
- * than the lsn of the transaction we are replaying. Note: we still
- * need to replay an owner change even though the inode is more recent
- * than the transaction as there is no guarantee that all the btree
- * blocks are more recent than this transaction, too.
- */
- if (dip->di_version >= 3) {
- xfs_lsn_t lsn = be64_to_cpu(dip->di_lsn);
-
- if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
- trace_xfs_log_recover_inode_skip(log, in_f);
- error = 0;
- goto out_owner_change;
- }
- }
-
- /*
- * di_flushiter is only valid for v1/2 inodes. All changes for v3 inodes
- * are transactional and if ordering is necessary we can determine that
- * more accurately by the LSN field in the V3 inode core. Don't trust
- * the inode versions we might be changing them here - use the
- * superblock flag to determine whether we need to look at di_flushiter
- * to skip replay when the on disk inode is newer than the log one
- */
- if (!xfs_sb_version_has_v3inode(&mp->m_sb) &&
- ldip->di_flushiter < be16_to_cpu(dip->di_flushiter)) {
- /*
- * Deal with the wrap case, DI_MAX_FLUSH is less
- * than smaller numbers
- */
- if (be16_to_cpu(dip->di_flushiter) == DI_MAX_FLUSH &&
- ldip->di_flushiter < (DI_MAX_FLUSH >> 1)) {
- /* do nothing */
- } else {
- trace_xfs_log_recover_inode_skip(log, in_f);
- error = 0;
- goto out_release;
- }
- }
-
- /* Take the opportunity to reset the flush iteration count */
- ldip->di_flushiter = 0;
-
- if (unlikely(S_ISREG(ldip->di_mode))) {
- if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
- (ldip->di_format != XFS_DINODE_FMT_BTREE)) {
- XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(3)",
- XFS_ERRLEVEL_LOW, mp, ldip,
- sizeof(*ldip));
- xfs_alert(mp,
- "%s: Bad regular inode log record, rec ptr "PTR_FMT", "
- "ino ptr = "PTR_FMT", ino bp = "PTR_FMT", ino %Ld",
- __func__, item, dip, bp, in_f->ilf_ino);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- } else if (unlikely(S_ISDIR(ldip->di_mode))) {
- if ((ldip->di_format != XFS_DINODE_FMT_EXTENTS) &&
- (ldip->di_format != XFS_DINODE_FMT_BTREE) &&
- (ldip->di_format != XFS_DINODE_FMT_LOCAL)) {
- XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(4)",
- XFS_ERRLEVEL_LOW, mp, ldip,
- sizeof(*ldip));
- xfs_alert(mp,
- "%s: Bad dir inode log record, rec ptr "PTR_FMT", "
- "ino ptr = "PTR_FMT", ino bp = "PTR_FMT", ino %Ld",
- __func__, item, dip, bp, in_f->ilf_ino);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- }
- if (unlikely(ldip->di_nextents + ldip->di_anextents > ldip->di_nblocks)){
- XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(5)",
- XFS_ERRLEVEL_LOW, mp, ldip,
- sizeof(*ldip));
- xfs_alert(mp,
- "%s: Bad inode log record, rec ptr "PTR_FMT", dino ptr "PTR_FMT", "
- "dino bp "PTR_FMT", ino %Ld, total extents = %d, nblocks = %Ld",
- __func__, item, dip, bp, in_f->ilf_ino,
- ldip->di_nextents + ldip->di_anextents,
- ldip->di_nblocks);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- if (unlikely(ldip->di_forkoff > mp->m_sb.sb_inodesize)) {
- XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(6)",
- XFS_ERRLEVEL_LOW, mp, ldip,
- sizeof(*ldip));
- xfs_alert(mp,
- "%s: Bad inode log record, rec ptr "PTR_FMT", dino ptr "PTR_FMT", "
- "dino bp "PTR_FMT", ino %Ld, forkoff 0x%x", __func__,
- item, dip, bp, in_f->ilf_ino, ldip->di_forkoff);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- isize = xfs_log_dinode_size(mp);
- if (unlikely(item->ri_buf[1].i_len > isize)) {
- XFS_CORRUPTION_ERROR("xlog_recover_inode_pass2(7)",
- XFS_ERRLEVEL_LOW, mp, ldip,
- sizeof(*ldip));
- xfs_alert(mp,
- "%s: Bad inode log record length %d, rec ptr "PTR_FMT,
- __func__, item->ri_buf[1].i_len, item);
- error = -EFSCORRUPTED;
- goto out_release;
- }
-
- /* recover the log dinode inode into the on disk inode */
- xfs_log_dinode_to_disk(ldip, dip);
-
- fields = in_f->ilf_fields;
- if (fields & XFS_ILOG_DEV)
- xfs_dinode_put_rdev(dip, in_f->ilf_u.ilfu_rdev);
-
- if (in_f->ilf_size == 2)
- goto out_owner_change;
- len = item->ri_buf[2].i_len;
- src = item->ri_buf[2].i_addr;
- ASSERT(in_f->ilf_size <= 4);
- ASSERT((in_f->ilf_size == 3) || (fields & XFS_ILOG_AFORK));
- ASSERT(!(fields & XFS_ILOG_DFORK) ||
- (len == in_f->ilf_dsize));
-
- switch (fields & XFS_ILOG_DFORK) {
- case XFS_ILOG_DDATA:
- case XFS_ILOG_DEXT:
- memcpy(XFS_DFORK_DPTR(dip), src, len);
- break;
-
- case XFS_ILOG_DBROOT:
- xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src, len,
- (xfs_bmdr_block_t *)XFS_DFORK_DPTR(dip),
- XFS_DFORK_DSIZE(dip, mp));
- break;
-
- default:
- /*
- * There are no data fork flags set.
- */
- ASSERT((fields & XFS_ILOG_DFORK) == 0);
- break;
- }
-
- /*
- * If we logged any attribute data, recover it. There may or
- * may not have been any other non-core data logged in this
- * transaction.
- */
- if (in_f->ilf_fields & XFS_ILOG_AFORK) {
- if (in_f->ilf_fields & XFS_ILOG_DFORK) {
- attr_index = 3;
- } else {
- attr_index = 2;
- }
- len = item->ri_buf[attr_index].i_len;
- src = item->ri_buf[attr_index].i_addr;
- ASSERT(len == in_f->ilf_asize);
-
- switch (in_f->ilf_fields & XFS_ILOG_AFORK) {
- case XFS_ILOG_ADATA:
- case XFS_ILOG_AEXT:
- dest = XFS_DFORK_APTR(dip);
- ASSERT(len <= XFS_DFORK_ASIZE(dip, mp));
- memcpy(dest, src, len);
- break;
-
- case XFS_ILOG_ABROOT:
- dest = XFS_DFORK_APTR(dip);
- xfs_bmbt_to_bmdr(mp, (struct xfs_btree_block *)src,
- len, (xfs_bmdr_block_t*)dest,
- XFS_DFORK_ASIZE(dip, mp));
- break;
-
- default:
- xfs_warn(log->l_mp, "%s: Invalid flag", __func__);
- ASSERT(0);
- error = -EFSCORRUPTED;
- goto out_release;
- }
- }
-
-out_owner_change:
- /* Recover the swapext owner change unless inode has been deleted */
- if ((in_f->ilf_fields & (XFS_ILOG_DOWNER|XFS_ILOG_AOWNER)) &&
- (dip->di_mode != 0))
- error = xfs_recover_inode_owner_change(mp, dip, in_f,
- buffer_list);
- /* re-generate the checksum. */
- xfs_dinode_calc_crc(log->l_mp, dip);
-
- ASSERT(bp->b_mount == mp);
- bp->b_iodone = xlog_recover_iodone;
- xfs_buf_delwri_queue(bp, buffer_list);
-
-out_release:
- xfs_buf_relse(bp);
-error:
- if (need_free)
- kmem_free(in_f);
- return error;
-}
-
-/*
- * Recover QUOTAOFF records. We simply make a note of it in the xlog
- * structure, so that we know not to do any dquot item or dquot buffer recovery,
- * of that type.
- */
-STATIC int
-xlog_recover_quotaoff_pass1(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- xfs_qoff_logformat_t *qoff_f = item->ri_buf[0].i_addr;
- ASSERT(qoff_f);
-
- /*
- * The logitem format's flag tells us if this was user quotaoff,
- * group/project quotaoff or both.
- */
- if (qoff_f->qf_flags & XFS_UQUOTA_ACCT)
- log->l_quotaoffs_flag |= XFS_DQ_USER;
- if (qoff_f->qf_flags & XFS_PQUOTA_ACCT)
- log->l_quotaoffs_flag |= XFS_DQ_PROJ;
- if (qoff_f->qf_flags & XFS_GQUOTA_ACCT)
- log->l_quotaoffs_flag |= XFS_DQ_GROUP;
-
- return 0;
-}
-
-/*
- * Recover a dquot record
- */
-STATIC int
-xlog_recover_dquot_pass2(
- struct xlog *log,
- struct list_head *buffer_list,
- struct xlog_recover_item *item,
- xfs_lsn_t current_lsn)
-{
- xfs_mount_t *mp = log->l_mp;
- xfs_buf_t *bp;
- struct xfs_disk_dquot *ddq, *recddq;
- xfs_failaddr_t fa;
- int error;
- xfs_dq_logformat_t *dq_f;
- uint type;
-
-
- /*
- * Filesystems are required to send in quota flags at mount time.
- */
- if (mp->m_qflags == 0)
- return 0;
-
- recddq = item->ri_buf[1].i_addr;
- if (recddq == NULL) {
- xfs_alert(log->l_mp, "NULL dquot in %s.", __func__);
- return -EFSCORRUPTED;
- }
- if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot)) {
- xfs_alert(log->l_mp, "dquot too small (%d) in %s.",
- item->ri_buf[1].i_len, __func__);
- return -EFSCORRUPTED;
- }
-
- /*
- * This type of quotas was turned off, so ignore this record.
- */
- type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
- ASSERT(type);
- if (log->l_quotaoffs_flag & type)
- return 0;
-
- /*
- * At this point we know that quota was _not_ turned off.
- * Since the mount flags are not indicating to us otherwise, this
- * must mean that quota is on, and the dquot needs to be replayed.
- * Remember that we may not have fully recovered the superblock yet,
- * so we can't do the usual trick of looking at the SB quota bits.
- *
- * The other possibility, of course, is that the quota subsystem was
- * removed since the last mount - ENOSYS.
- */
- dq_f = item->ri_buf[0].i_addr;
- ASSERT(dq_f);
- fa = xfs_dquot_verify(mp, recddq, dq_f->qlf_id, 0);
- if (fa) {
- xfs_alert(mp, "corrupt dquot ID 0x%x in log at %pS",
- dq_f->qlf_id, fa);
- return -EFSCORRUPTED;
- }
- ASSERT(dq_f->qlf_len == 1);
-
- /*
- * At this point we are assuming that the dquots have been allocated
- * and hence the buffer has valid dquots stamped in it. It should,
- * therefore, pass verifier validation. If the dquot is bad, then the
- * we'll return an error here, so we don't need to specifically check
- * the dquot in the buffer after the verifier has run.
- */
- error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, dq_f->qlf_blkno,
- XFS_FSB_TO_BB(mp, dq_f->qlf_len), 0, &bp,
- &xfs_dquot_buf_ops);
- if (error)
- return error;
-
- ASSERT(bp);
- ddq = xfs_buf_offset(bp, dq_f->qlf_boffset);
-
- /*
- * If the dquot has an LSN in it, recover the dquot only if it's less
- * than the lsn of the transaction we are replaying.
- */
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
- struct xfs_dqblk *dqb = (struct xfs_dqblk *)ddq;
- xfs_lsn_t lsn = be64_to_cpu(dqb->dd_lsn);
-
- if (lsn && lsn != -1 && XFS_LSN_CMP(lsn, current_lsn) >= 0) {
- goto out_release;
- }
- }
-
- memcpy(ddq, recddq, item->ri_buf[1].i_len);
- if (xfs_sb_version_hascrc(&mp->m_sb)) {
- xfs_update_cksum((char *)ddq, sizeof(struct xfs_dqblk),
- XFS_DQUOT_CRC_OFF);
- }
-
- ASSERT(dq_f->qlf_size == 2);
- ASSERT(bp->b_mount == mp);
- bp->b_iodone = xlog_recover_iodone;
- xfs_buf_delwri_queue(bp, buffer_list);
-
-out_release:
- xfs_buf_relse(bp);
- return 0;
-}
-
-/*
- * This routine is called to create an in-core extent free intent
- * item from the efi format structure which was logged on disk.
- * It allocates an in-core efi, copies the extents from the format
- * structure into it, and adds the efi to the AIL with the given
- * LSN.
- */
-STATIC int
-xlog_recover_efi_pass2(
- struct xlog *log,
- struct xlog_recover_item *item,
- xfs_lsn_t lsn)
-{
- int error;
- struct xfs_mount *mp = log->l_mp;
- struct xfs_efi_log_item *efip;
- struct xfs_efi_log_format *efi_formatp;
-
- efi_formatp = item->ri_buf[0].i_addr;
-
- efip = xfs_efi_init(mp, efi_formatp->efi_nextents);
- error = xfs_efi_copy_format(&item->ri_buf[0], &efip->efi_format);
- if (error) {
- xfs_efi_item_free(efip);
- return error;
- }
- atomic_set(&efip->efi_next_extent, efi_formatp->efi_nextents);
-
- spin_lock(&log->l_ailp->ail_lock);
- /*
- * The EFI has two references. One for the EFD and one for EFI to ensure
- * it makes it into the AIL. Insert the EFI into the AIL directly and
- * drop the EFI reference. Note that xfs_trans_ail_update() drops the
- * AIL lock.
- */
- xfs_trans_ail_update(log->l_ailp, &efip->efi_item, lsn);
- xfs_efi_release(efip);
- return 0;
-}
-
-
-/*
- * This routine is called when an EFD format structure is found in a committed
- * transaction in the log. Its purpose is to cancel the corresponding EFI if it
- * was still in the log. To do this it searches the AIL for the EFI with an id
- * equal to that in the EFD format structure. If we find it we drop the EFD
- * reference, which removes the EFI from the AIL and frees it.
- */
-STATIC int
-xlog_recover_efd_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- xfs_efd_log_format_t *efd_formatp;
- xfs_efi_log_item_t *efip = NULL;
- struct xfs_log_item *lip;
- uint64_t efi_id;
- struct xfs_ail_cursor cur;
- struct xfs_ail *ailp = log->l_ailp;
-
- efd_formatp = item->ri_buf[0].i_addr;
- ASSERT((item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_32_t) +
- ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_32_t)))) ||
- (item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_64_t) +
- ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_64_t)))));
- efi_id = efd_formatp->efd_efi_id;
-
- /*
- * Search for the EFI with the id in the EFD format structure in the
- * AIL.
- */
- spin_lock(&ailp->ail_lock);
- lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
- while (lip != NULL) {
- if (lip->li_type == XFS_LI_EFI) {
- efip = (xfs_efi_log_item_t *)lip;
- if (efip->efi_format.efi_id == efi_id) {
- /*
- * Drop the EFD reference to the EFI. This
- * removes the EFI from the AIL and frees it.
- */
- spin_unlock(&ailp->ail_lock);
- xfs_efi_release(efip);
- spin_lock(&ailp->ail_lock);
- break;
- }
- }
- lip = xfs_trans_ail_cursor_next(ailp, &cur);
- }
-
- xfs_trans_ail_cursor_done(&cur);
- spin_unlock(&ailp->ail_lock);
-
- return 0;
-}
-
-/*
- * This routine is called to create an in-core extent rmap update
- * item from the rui format structure which was logged on disk.
- * It allocates an in-core rui, copies the extents from the format
- * structure into it, and adds the rui to the AIL with the given
- * LSN.
- */
-STATIC int
-xlog_recover_rui_pass2(
- struct xlog *log,
- struct xlog_recover_item *item,
- xfs_lsn_t lsn)
-{
- int error;
- struct xfs_mount *mp = log->l_mp;
- struct xfs_rui_log_item *ruip;
- struct xfs_rui_log_format *rui_formatp;
-
- rui_formatp = item->ri_buf[0].i_addr;
-
- ruip = xfs_rui_init(mp, rui_formatp->rui_nextents);
- error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format);
- if (error) {
- xfs_rui_item_free(ruip);
- return error;
- }
- atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents);
-
- spin_lock(&log->l_ailp->ail_lock);
- /*
- * The RUI has two references. One for the RUD and one for RUI to ensure
- * it makes it into the AIL. Insert the RUI into the AIL directly and
- * drop the RUI reference. Note that xfs_trans_ail_update() drops the
- * AIL lock.
- */
- xfs_trans_ail_update(log->l_ailp, &ruip->rui_item, lsn);
- xfs_rui_release(ruip);
- return 0;
-}
-
-
-/*
- * This routine is called when an RUD format structure is found in a committed
- * transaction in the log. Its purpose is to cancel the corresponding RUI if it
- * was still in the log. To do this it searches the AIL for the RUI with an id
- * equal to that in the RUD format structure. If we find it we drop the RUD
- * reference, which removes the RUI from the AIL and frees it.
- */
-STATIC int
-xlog_recover_rud_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_rud_log_format *rud_formatp;
- struct xfs_rui_log_item *ruip = NULL;
- struct xfs_log_item *lip;
- uint64_t rui_id;
- struct xfs_ail_cursor cur;
- struct xfs_ail *ailp = log->l_ailp;
-
- rud_formatp = item->ri_buf[0].i_addr;
- ASSERT(item->ri_buf[0].i_len == sizeof(struct xfs_rud_log_format));
- rui_id = rud_formatp->rud_rui_id;
-
- /*
- * Search for the RUI with the id in the RUD format structure in the
- * AIL.
- */
- spin_lock(&ailp->ail_lock);
- lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
- while (lip != NULL) {
- if (lip->li_type == XFS_LI_RUI) {
- ruip = (struct xfs_rui_log_item *)lip;
- if (ruip->rui_format.rui_id == rui_id) {
- /*
- * Drop the RUD reference to the RUI. This
- * removes the RUI from the AIL and frees it.
- */
- spin_unlock(&ailp->ail_lock);
- xfs_rui_release(ruip);
- spin_lock(&ailp->ail_lock);
- break;
- }
- }
- lip = xfs_trans_ail_cursor_next(ailp, &cur);
- }
-
- xfs_trans_ail_cursor_done(&cur);
- spin_unlock(&ailp->ail_lock);
-
- return 0;
-}
-
-/*
- * Copy an CUI format buffer from the given buf, and into the destination
- * CUI format structure. The CUI/CUD items were designed not to need any
- * special alignment handling.
- */
-static int
-xfs_cui_copy_format(
- struct xfs_log_iovec *buf,
- struct xfs_cui_log_format *dst_cui_fmt)
-{
- struct xfs_cui_log_format *src_cui_fmt;
- uint len;
-
- src_cui_fmt = buf->i_addr;
- len = xfs_cui_log_format_sizeof(src_cui_fmt->cui_nextents);
-
- if (buf->i_len == len) {
- memcpy(dst_cui_fmt, src_cui_fmt, len);
- return 0;
- }
- XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
- return -EFSCORRUPTED;
-}
-
-/*
- * This routine is called to create an in-core extent refcount update
- * item from the cui format structure which was logged on disk.
- * It allocates an in-core cui, copies the extents from the format
- * structure into it, and adds the cui to the AIL with the given
- * LSN.
- */
-STATIC int
-xlog_recover_cui_pass2(
- struct xlog *log,
- struct xlog_recover_item *item,
- xfs_lsn_t lsn)
-{
- int error;
- struct xfs_mount *mp = log->l_mp;
- struct xfs_cui_log_item *cuip;
- struct xfs_cui_log_format *cui_formatp;
-
- cui_formatp = item->ri_buf[0].i_addr;
-
- cuip = xfs_cui_init(mp, cui_formatp->cui_nextents);
- error = xfs_cui_copy_format(&item->ri_buf[0], &cuip->cui_format);
- if (error) {
- xfs_cui_item_free(cuip);
- return error;
- }
- atomic_set(&cuip->cui_next_extent, cui_formatp->cui_nextents);
-
- spin_lock(&log->l_ailp->ail_lock);
- /*
- * The CUI has two references. One for the CUD and one for CUI to ensure
- * it makes it into the AIL. Insert the CUI into the AIL directly and
- * drop the CUI reference. Note that xfs_trans_ail_update() drops the
- * AIL lock.
- */
- xfs_trans_ail_update(log->l_ailp, &cuip->cui_item, lsn);
- xfs_cui_release(cuip);
- return 0;
-}
-
-
-/*
- * This routine is called when an CUD format structure is found in a committed
- * transaction in the log. Its purpose is to cancel the corresponding CUI if it
- * was still in the log. To do this it searches the AIL for the CUI with an id
- * equal to that in the CUD format structure. If we find it we drop the CUD
- * reference, which removes the CUI from the AIL and frees it.
- */
-STATIC int
-xlog_recover_cud_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_cud_log_format *cud_formatp;
- struct xfs_cui_log_item *cuip = NULL;
- struct xfs_log_item *lip;
- uint64_t cui_id;
- struct xfs_ail_cursor cur;
- struct xfs_ail *ailp = log->l_ailp;
-
- cud_formatp = item->ri_buf[0].i_addr;
- if (item->ri_buf[0].i_len != sizeof(struct xfs_cud_log_format)) {
- XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
- return -EFSCORRUPTED;
- }
- cui_id = cud_formatp->cud_cui_id;
-
- /*
- * Search for the CUI with the id in the CUD format structure in the
- * AIL.
- */
- spin_lock(&ailp->ail_lock);
- lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
- while (lip != NULL) {
- if (lip->li_type == XFS_LI_CUI) {
- cuip = (struct xfs_cui_log_item *)lip;
- if (cuip->cui_format.cui_id == cui_id) {
- /*
- * Drop the CUD reference to the CUI. This
- * removes the CUI from the AIL and frees it.
- */
- spin_unlock(&ailp->ail_lock);
- xfs_cui_release(cuip);
- spin_lock(&ailp->ail_lock);
- break;
- }
- }
- lip = xfs_trans_ail_cursor_next(ailp, &cur);
- }
-
- xfs_trans_ail_cursor_done(&cur);
- spin_unlock(&ailp->ail_lock);
-
- return 0;
-}
-
-/*
- * Copy an BUI format buffer from the given buf, and into the destination
- * BUI format structure. The BUI/BUD items were designed not to need any
- * special alignment handling.
- */
-static int
-xfs_bui_copy_format(
- struct xfs_log_iovec *buf,
- struct xfs_bui_log_format *dst_bui_fmt)
-{
- struct xfs_bui_log_format *src_bui_fmt;
- uint len;
-
- src_bui_fmt = buf->i_addr;
- len = xfs_bui_log_format_sizeof(src_bui_fmt->bui_nextents);
-
- if (buf->i_len == len) {
- memcpy(dst_bui_fmt, src_bui_fmt, len);
- return 0;
- }
- XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
- return -EFSCORRUPTED;
-}
-
-/*
- * This routine is called to create an in-core extent bmap update
- * item from the bui format structure which was logged on disk.
- * It allocates an in-core bui, copies the extents from the format
- * structure into it, and adds the bui to the AIL with the given
- * LSN.
- */
-STATIC int
-xlog_recover_bui_pass2(
- struct xlog *log,
- struct xlog_recover_item *item,
- xfs_lsn_t lsn)
-{
- int error;
- struct xfs_mount *mp = log->l_mp;
- struct xfs_bui_log_item *buip;
- struct xfs_bui_log_format *bui_formatp;
-
- bui_formatp = item->ri_buf[0].i_addr;
-
- if (bui_formatp->bui_nextents != XFS_BUI_MAX_FAST_EXTENTS) {
- XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
- return -EFSCORRUPTED;
- }
- buip = xfs_bui_init(mp);
- error = xfs_bui_copy_format(&item->ri_buf[0], &buip->bui_format);
- if (error) {
- xfs_bui_item_free(buip);
- return error;
- }
- atomic_set(&buip->bui_next_extent, bui_formatp->bui_nextents);
-
- spin_lock(&log->l_ailp->ail_lock);
- /*
- * The RUI has two references. One for the RUD and one for RUI to ensure
- * it makes it into the AIL. Insert the RUI into the AIL directly and
- * drop the RUI reference. Note that xfs_trans_ail_update() drops the
- * AIL lock.
- */
- xfs_trans_ail_update(log->l_ailp, &buip->bui_item, lsn);
- xfs_bui_release(buip);
- return 0;
-}
-
-
-/*
- * This routine is called when an BUD format structure is found in a committed
- * transaction in the log. Its purpose is to cancel the corresponding BUI if it
- * was still in the log. To do this it searches the AIL for the BUI with an id
- * equal to that in the BUD format structure. If we find it we drop the BUD
- * reference, which removes the BUI from the AIL and frees it.
- */
-STATIC int
-xlog_recover_bud_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_bud_log_format *bud_formatp;
- struct xfs_bui_log_item *buip = NULL;
- struct xfs_log_item *lip;
- uint64_t bui_id;
- struct xfs_ail_cursor cur;
- struct xfs_ail *ailp = log->l_ailp;
-
- bud_formatp = item->ri_buf[0].i_addr;
- if (item->ri_buf[0].i_len != sizeof(struct xfs_bud_log_format)) {
- XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
- return -EFSCORRUPTED;
- }
- bui_id = bud_formatp->bud_bui_id;
-
- /*
- * Search for the BUI with the id in the BUD format structure in the
- * AIL.
- */
- spin_lock(&ailp->ail_lock);
- lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
- while (lip != NULL) {
- if (lip->li_type == XFS_LI_BUI) {
- buip = (struct xfs_bui_log_item *)lip;
- if (buip->bui_format.bui_id == bui_id) {
- /*
- * Drop the BUD reference to the BUI. This
- * removes the BUI from the AIL and frees it.
- */
- spin_unlock(&ailp->ail_lock);
- xfs_bui_release(buip);
- spin_lock(&ailp->ail_lock);
- break;
- }
- }
- lip = xfs_trans_ail_cursor_next(ailp, &cur);
- }
-
- xfs_trans_ail_cursor_done(&cur);
- spin_unlock(&ailp->ail_lock);
-
- return 0;
-}
-
-/*
- * This routine is called when an inode create format structure is found in a
- * committed transaction in the log. It's purpose is to initialise the inodes
- * being allocated on disk. This requires us to get inode cluster buffers that
- * match the range to be initialised, stamped with inode templates and written
- * by delayed write so that subsequent modifications will hit the cached buffer
- * and only need writing out at the end of recovery.
- */
-STATIC int
-xlog_recover_do_icreate_pass2(
- struct xlog *log,
- struct list_head *buffer_list,
- xlog_recover_item_t *item)
-{
- struct xfs_mount *mp = log->l_mp;
- struct xfs_icreate_log *icl;
- struct xfs_ino_geometry *igeo = M_IGEO(mp);
- xfs_agnumber_t agno;
- xfs_agblock_t agbno;
- unsigned int count;
- unsigned int isize;
- xfs_agblock_t length;
- int bb_per_cluster;
- int cancel_count;
- int nbufs;
- int i;
-
- icl = (struct xfs_icreate_log *)item->ri_buf[0].i_addr;
- if (icl->icl_type != XFS_LI_ICREATE) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad type");
- return -EINVAL;
- }
-
- if (icl->icl_size != 1) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad icl size");
- return -EINVAL;
- }
-
- agno = be32_to_cpu(icl->icl_ag);
- if (agno >= mp->m_sb.sb_agcount) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agno");
- return -EINVAL;
- }
- agbno = be32_to_cpu(icl->icl_agbno);
- if (!agbno || agbno == NULLAGBLOCK || agbno >= mp->m_sb.sb_agblocks) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad agbno");
- return -EINVAL;
- }
- isize = be32_to_cpu(icl->icl_isize);
- if (isize != mp->m_sb.sb_inodesize) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad isize");
- return -EINVAL;
- }
- count = be32_to_cpu(icl->icl_count);
- if (!count) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad count");
- return -EINVAL;
- }
- length = be32_to_cpu(icl->icl_length);
- if (!length || length >= mp->m_sb.sb_agblocks) {
- xfs_warn(log->l_mp, "xlog_recover_do_icreate_trans: bad length");
- return -EINVAL;
- }
-
- /*
- * The inode chunk is either full or sparse and we only support
- * m_ino_geo.ialloc_min_blks sized sparse allocations at this time.
- */
- if (length != igeo->ialloc_blks &&
- length != igeo->ialloc_min_blks) {
- xfs_warn(log->l_mp,
- "%s: unsupported chunk length", __FUNCTION__);
- return -EINVAL;
- }
-
- /* verify inode count is consistent with extent length */
- if ((count >> mp->m_sb.sb_inopblog) != length) {
- xfs_warn(log->l_mp,
- "%s: inconsistent inode count and chunk length",
- __FUNCTION__);
- return -EINVAL;
- }
-
- /*
- * The icreate transaction can cover multiple cluster buffers and these
- * buffers could have been freed and reused. Check the individual
- * buffers for cancellation so we don't overwrite anything written after
- * a cancellation.
- */
- bb_per_cluster = XFS_FSB_TO_BB(mp, igeo->blocks_per_cluster);
- nbufs = length / igeo->blocks_per_cluster;
- for (i = 0, cancel_count = 0; i < nbufs; i++) {
- xfs_daddr_t daddr;
-
- daddr = XFS_AGB_TO_DADDR(mp, agno,
- agbno + i * igeo->blocks_per_cluster);
- if (xlog_check_buffer_cancelled(log, daddr, bb_per_cluster, 0))
- cancel_count++;
- }
-
- /*
- * We currently only use icreate for a single allocation at a time. This
- * means we should expect either all or none of the buffers to be
- * cancelled. Be conservative and skip replay if at least one buffer is
- * cancelled, but warn the user that something is awry if the buffers
- * are not consistent.
- *
- * XXX: This must be refined to only skip cancelled clusters once we use
- * icreate for multiple chunk allocations.
- */
- ASSERT(!cancel_count || cancel_count == nbufs);
- if (cancel_count) {
- if (cancel_count != nbufs)
- xfs_warn(mp,
- "WARNING: partial inode chunk cancellation, skipped icreate.");
- trace_xfs_log_recover_icreate_cancel(log, icl);
- return 0;
- }
-
- trace_xfs_log_recover_icreate_recover(log, icl);
- return xfs_ialloc_inode_init(mp, NULL, buffer_list, count, agno, agbno,
- length, be32_to_cpu(icl->icl_gen));
-}
-
-STATIC void
-xlog_recover_buffer_ra_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_buf_log_format *buf_f = item->ri_buf[0].i_addr;
- struct xfs_mount *mp = log->l_mp;
-
- if (xlog_peek_buffer_cancelled(log, buf_f->blf_blkno,
- buf_f->blf_len, buf_f->blf_flags)) {
- return;
- }
-
- xfs_buf_readahead(mp->m_ddev_targp, buf_f->blf_blkno,
- buf_f->blf_len, NULL);
-}
-
-STATIC void
-xlog_recover_inode_ra_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_inode_log_format ilf_buf;
- struct xfs_inode_log_format *ilfp;
- struct xfs_mount *mp = log->l_mp;
- int error;
-
- if (item->ri_buf[0].i_len == sizeof(struct xfs_inode_log_format)) {
- ilfp = item->ri_buf[0].i_addr;
- } else {
- ilfp = &ilf_buf;
- memset(ilfp, 0, sizeof(*ilfp));
- error = xfs_inode_item_format_convert(&item->ri_buf[0], ilfp);
- if (error)
- return;
- }
-
- if (xlog_peek_buffer_cancelled(log, ilfp->ilf_blkno, ilfp->ilf_len, 0))
- return;
-
- xfs_buf_readahead(mp->m_ddev_targp, ilfp->ilf_blkno,
- ilfp->ilf_len, &xfs_inode_buf_ra_ops);
-}
-
-STATIC void
-xlog_recover_dquot_ra_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- struct xfs_mount *mp = log->l_mp;
- struct xfs_disk_dquot *recddq;
- struct xfs_dq_logformat *dq_f;
- uint type;
- int len;
-
-
- if (mp->m_qflags == 0)
- return;
-
- recddq = item->ri_buf[1].i_addr;
- if (recddq == NULL)
- return;
- if (item->ri_buf[1].i_len < sizeof(struct xfs_disk_dquot))
- return;
-
- type = recddq->d_flags & (XFS_DQ_USER | XFS_DQ_PROJ | XFS_DQ_GROUP);
- ASSERT(type);
- if (log->l_quotaoffs_flag & type)
- return;
-
- dq_f = item->ri_buf[0].i_addr;
- ASSERT(dq_f);
- ASSERT(dq_f->qlf_len == 1);
-
- len = XFS_FSB_TO_BB(mp, dq_f->qlf_len);
- if (xlog_peek_buffer_cancelled(log, dq_f->qlf_blkno, len, 0))
- return;
-
- xfs_buf_readahead(mp->m_ddev_targp, dq_f->qlf_blkno, len,
- &xfs_dquot_buf_ra_ops);
-}
-
-STATIC void
-xlog_recover_ra_pass2(
- struct xlog *log,
- struct xlog_recover_item *item)
-{
- switch (ITEM_TYPE(item)) {
- case XFS_LI_BUF:
- xlog_recover_buffer_ra_pass2(log, item);
- break;
- case XFS_LI_INODE:
- xlog_recover_inode_ra_pass2(log, item);
- break;
- case XFS_LI_DQUOT:
- xlog_recover_dquot_ra_pass2(log, item);
- break;
- case XFS_LI_EFI:
- case XFS_LI_EFD:
- case XFS_LI_QUOTAOFF:
- case XFS_LI_RUI:
- case XFS_LI_RUD:
- case XFS_LI_CUI:
- case XFS_LI_CUD:
- case XFS_LI_BUI:
- case XFS_LI_BUD:
- default:
- break;
- }
-}
-
-STATIC int
-xlog_recover_commit_pass1(
- struct xlog *log,
- struct xlog_recover *trans,
- struct xlog_recover_item *item)
-{
- trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS1);
-
- switch (ITEM_TYPE(item)) {
- case XFS_LI_BUF:
- return xlog_recover_buffer_pass1(log, item);
- case XFS_LI_QUOTAOFF:
- return xlog_recover_quotaoff_pass1(log, item);
- case XFS_LI_INODE:
- case XFS_LI_EFI:
- case XFS_LI_EFD:
- case XFS_LI_DQUOT:
- case XFS_LI_ICREATE:
- case XFS_LI_RUI:
- case XFS_LI_RUD:
- case XFS_LI_CUI:
- case XFS_LI_CUD:
- case XFS_LI_BUI:
- case XFS_LI_BUD:
- /* nothing to do in pass 1 */
- return 0;
- default:
- xfs_warn(log->l_mp, "%s: invalid item type (%d)",
- __func__, ITEM_TYPE(item));
- ASSERT(0);
- return -EFSCORRUPTED;
- }
-}
-
-STATIC int
-xlog_recover_commit_pass2(
- struct xlog *log,
- struct xlog_recover *trans,
- struct list_head *buffer_list,
- struct xlog_recover_item *item)
-{
- trace_xfs_log_recover_item_recover(log, trans, item, XLOG_RECOVER_PASS2);
-
- switch (ITEM_TYPE(item)) {
- case XFS_LI_BUF:
- return xlog_recover_buffer_pass2(log, buffer_list, item,
- trans->r_lsn);
- case XFS_LI_INODE:
- return xlog_recover_inode_pass2(log, buffer_list, item,
- trans->r_lsn);
- case XFS_LI_EFI:
- return xlog_recover_efi_pass2(log, item, trans->r_lsn);
- case XFS_LI_EFD:
- return xlog_recover_efd_pass2(log, item);
- case XFS_LI_RUI:
- return xlog_recover_rui_pass2(log, item, trans->r_lsn);
- case XFS_LI_RUD:
- return xlog_recover_rud_pass2(log, item);
- case XFS_LI_CUI:
- return xlog_recover_cui_pass2(log, item, trans->r_lsn);
- case XFS_LI_CUD:
- return xlog_recover_cud_pass2(log, item);
- case XFS_LI_BUI:
- return xlog_recover_bui_pass2(log, item, trans->r_lsn);
- case XFS_LI_BUD:
- return xlog_recover_bud_pass2(log, item);
- case XFS_LI_DQUOT:
- return xlog_recover_dquot_pass2(log, buffer_list, item,
- trans->r_lsn);
- case XFS_LI_ICREATE:
- return xlog_recover_do_icreate_pass2(log, buffer_list, item);
- case XFS_LI_QUOTAOFF:
- /* nothing to do in pass2 */
- return 0;
- default:
- xfs_warn(log->l_mp, "%s: invalid item type (%d)",
- __func__, ITEM_TYPE(item));
- ASSERT(0);
- return -EFSCORRUPTED;
- }
+ if (!xlog_is_buffer_cancelled(log, blkno, len))
+ xfs_buf_readahead(log->l_mp->m_ddev_targp, blkno, len, ops);
}
STATIC int
@@ -4072,8 +1967,12 @@ xlog_recover_items_pass2(
int error = 0;
list_for_each_entry(item, item_list, ri_list) {
- error = xlog_recover_commit_pass2(log, trans,
- buffer_list, item);
+ trace_xfs_log_recover_item_recover(log, trans, item,
+ XLOG_RECOVER_PASS2);
+
+ if (item->ri_ops->commit_pass2)
+ error = item->ri_ops->commit_pass2(log, buffer_list,
+ item, trans->r_lsn);
if (error)
return error;
}
@@ -4110,12 +2009,16 @@ xlog_recover_commit_trans(
return error;
list_for_each_entry_safe(item, next, &trans->r_itemq, ri_list) {
+ trace_xfs_log_recover_item_recover(log, trans, item, pass);
+
switch (pass) {
case XLOG_RECOVER_PASS1:
- error = xlog_recover_commit_pass1(log, trans, item);
+ if (item->ri_ops->commit_pass1)
+ error = item->ri_ops->commit_pass1(log, item);
break;
case XLOG_RECOVER_PASS2:
- xlog_recover_ra_pass2(log, item);
+ if (item->ri_ops->ra_pass2)
+ item->ri_ops->ra_pass2(log, item);
list_move_tail(&item->ri_list, &ra_list);
items_queued++;
if (items_queued >= XLOG_RECOVER_COMMIT_QUEUE_MAX) {
@@ -4152,9 +2055,9 @@ STATIC void
xlog_recover_add_item(
struct list_head *head)
{
- xlog_recover_item_t *item;
+ struct xlog_recover_item *item;
- item = kmem_zalloc(sizeof(xlog_recover_item_t), 0);
+ item = kmem_zalloc(sizeof(struct xlog_recover_item), 0);
INIT_LIST_HEAD(&item->ri_list);
list_add_tail(&item->ri_list, head);
}
@@ -4166,7 +2069,7 @@ xlog_recover_add_to_cont_trans(
char *dp,
int len)
{
- xlog_recover_item_t *item;
+ struct xlog_recover_item *item;
char *ptr, *old_ptr;
int old_len;
@@ -4189,7 +2092,8 @@ xlog_recover_add_to_cont_trans(
}
/* take the tail entry */
- item = list_entry(trans->r_itemq.prev, xlog_recover_item_t, ri_list);
+ item = list_entry(trans->r_itemq.prev, struct xlog_recover_item,
+ ri_list);
old_ptr = item->ri_buf[item->ri_cnt-1].i_addr;
old_len = item->ri_buf[item->ri_cnt-1].i_len;
@@ -4223,7 +2127,7 @@ xlog_recover_add_to_trans(
int len)
{
struct xfs_inode_log_format *in_f; /* any will do */
- xlog_recover_item_t *item;
+ struct xlog_recover_item *item;
char *ptr;
if (!len)
@@ -4259,13 +2163,14 @@ xlog_recover_add_to_trans(
in_f = (struct xfs_inode_log_format *)ptr;
/* take the tail entry */
- item = list_entry(trans->r_itemq.prev, xlog_recover_item_t, ri_list);
+ item = list_entry(trans->r_itemq.prev, struct xlog_recover_item,
+ ri_list);
if (item->ri_total != 0 &&
item->ri_total == item->ri_cnt) {
/* tail item is in use, get a new one */
xlog_recover_add_item(&trans->r_itemq);
item = list_entry(trans->r_itemq.prev,
- xlog_recover_item_t, ri_list);
+ struct xlog_recover_item, ri_list);
}
if (item->ri_total == 0) { /* first region to be added */
@@ -4311,7 +2216,7 @@ STATIC void
xlog_recover_free_trans(
struct xlog_recover *trans)
{
- xlog_recover_item_t *item, *n;
+ struct xlog_recover_item *item, *n;
int i;
hlist_del_init(&trans->r_list);
@@ -4563,180 +2468,6 @@ xlog_recover_process_data(
return 0;
}
-/* Recover the EFI if necessary. */
-STATIC int
-xlog_recover_process_efi(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_efi_log_item *efip;
- int error;
-
- /*
- * Skip EFIs that we've already processed.
- */
- efip = container_of(lip, struct xfs_efi_log_item, efi_item);
- if (test_bit(XFS_EFI_RECOVERED, &efip->efi_flags))
- return 0;
-
- spin_unlock(&ailp->ail_lock);
- error = xfs_efi_recover(mp, efip);
- spin_lock(&ailp->ail_lock);
-
- return error;
-}
-
-/* Release the EFI since we're cancelling everything. */
-STATIC void
-xlog_recover_cancel_efi(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_efi_log_item *efip;
-
- efip = container_of(lip, struct xfs_efi_log_item, efi_item);
-
- spin_unlock(&ailp->ail_lock);
- xfs_efi_release(efip);
- spin_lock(&ailp->ail_lock);
-}
-
-/* Recover the RUI if necessary. */
-STATIC int
-xlog_recover_process_rui(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_rui_log_item *ruip;
- int error;
-
- /*
- * Skip RUIs that we've already processed.
- */
- ruip = container_of(lip, struct xfs_rui_log_item, rui_item);
- if (test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags))
- return 0;
-
- spin_unlock(&ailp->ail_lock);
- error = xfs_rui_recover(mp, ruip);
- spin_lock(&ailp->ail_lock);
-
- return error;
-}
-
-/* Release the RUI since we're cancelling everything. */
-STATIC void
-xlog_recover_cancel_rui(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_rui_log_item *ruip;
-
- ruip = container_of(lip, struct xfs_rui_log_item, rui_item);
-
- spin_unlock(&ailp->ail_lock);
- xfs_rui_release(ruip);
- spin_lock(&ailp->ail_lock);
-}
-
-/* Recover the CUI if necessary. */
-STATIC int
-xlog_recover_process_cui(
- struct xfs_trans *parent_tp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_cui_log_item *cuip;
- int error;
-
- /*
- * Skip CUIs that we've already processed.
- */
- cuip = container_of(lip, struct xfs_cui_log_item, cui_item);
- if (test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags))
- return 0;
-
- spin_unlock(&ailp->ail_lock);
- error = xfs_cui_recover(parent_tp, cuip);
- spin_lock(&ailp->ail_lock);
-
- return error;
-}
-
-/* Release the CUI since we're cancelling everything. */
-STATIC void
-xlog_recover_cancel_cui(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_cui_log_item *cuip;
-
- cuip = container_of(lip, struct xfs_cui_log_item, cui_item);
-
- spin_unlock(&ailp->ail_lock);
- xfs_cui_release(cuip);
- spin_lock(&ailp->ail_lock);
-}
-
-/* Recover the BUI if necessary. */
-STATIC int
-xlog_recover_process_bui(
- struct xfs_trans *parent_tp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_bui_log_item *buip;
- int error;
-
- /*
- * Skip BUIs that we've already processed.
- */
- buip = container_of(lip, struct xfs_bui_log_item, bui_item);
- if (test_bit(XFS_BUI_RECOVERED, &buip->bui_flags))
- return 0;
-
- spin_unlock(&ailp->ail_lock);
- error = xfs_bui_recover(parent_tp, buip);
- spin_lock(&ailp->ail_lock);
-
- return error;
-}
-
-/* Release the BUI since we're cancelling everything. */
-STATIC void
-xlog_recover_cancel_bui(
- struct xfs_mount *mp,
- struct xfs_ail *ailp,
- struct xfs_log_item *lip)
-{
- struct xfs_bui_log_item *buip;
-
- buip = container_of(lip, struct xfs_bui_log_item, bui_item);
-
- spin_unlock(&ailp->ail_lock);
- xfs_bui_release(buip);
- spin_lock(&ailp->ail_lock);
-}
-
-/* Is this log item a deferred action intent? */
-static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
-{
- switch (lip->li_type) {
- case XFS_LI_EFI:
- case XFS_LI_RUI:
- case XFS_LI_CUI:
- case XFS_LI_BUI:
- return true;
- default:
- return false;
- }
-}
-
/* Take all the collected deferred ops and finish them in order. */
static int
xlog_finish_defer_ops(
@@ -4771,6 +2502,13 @@ xlog_finish_defer_ops(
return xfs_trans_commit(tp);
}
+/* Is this log item a deferred action intent? */
+static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
+{
+ return lip->li_ops->iop_recover != NULL &&
+ lip->li_ops->iop_match != NULL;
+}
+
/*
* When this is called, all of the log intent items which did not have
* corresponding log done items should be in the AIL. What we do now
@@ -4841,23 +2579,14 @@ xlog_recover_process_intents(
/*
* NOTE: If your intent processing routine can create more
- * deferred ops, you /must/ attach them to the dfops in this
- * routine or else those subsequent intents will get
+ * deferred ops, you /must/ attach them to the transaction in
+ * this routine or else those subsequent intents will get
* replayed in the wrong order!
*/
- switch (lip->li_type) {
- case XFS_LI_EFI:
- error = xlog_recover_process_efi(log->l_mp, ailp, lip);
- break;
- case XFS_LI_RUI:
- error = xlog_recover_process_rui(log->l_mp, ailp, lip);
- break;
- case XFS_LI_CUI:
- error = xlog_recover_process_cui(parent_tp, ailp, lip);
- break;
- case XFS_LI_BUI:
- error = xlog_recover_process_bui(parent_tp, ailp, lip);
- break;
+ if (!test_and_set_bit(XFS_LI_RECOVERED, &lip->li_flags)) {
+ spin_unlock(&ailp->ail_lock);
+ error = lip->li_ops->iop_recover(lip, parent_tp);
+ spin_lock(&ailp->ail_lock);
}
if (error)
goto out;
@@ -4901,21 +2630,9 @@ xlog_recover_cancel_intents(
break;
}
- switch (lip->li_type) {
- case XFS_LI_EFI:
- xlog_recover_cancel_efi(log->l_mp, ailp, lip);
- break;
- case XFS_LI_RUI:
- xlog_recover_cancel_rui(log->l_mp, ailp, lip);
- break;
- case XFS_LI_CUI:
- xlog_recover_cancel_cui(log->l_mp, ailp, lip);
- break;
- case XFS_LI_BUI:
- xlog_recover_cancel_bui(log->l_mp, ailp, lip);
- break;
- }
-
+ spin_unlock(&ailp->ail_lock);
+ lip->li_ops->iop_release(lip);
+ spin_lock(&ailp->ail_lock);
lip = xfs_trans_ail_cursor_next(ailp, &cur);
}
@@ -4987,7 +2704,7 @@ xlog_recover_process_one_iunlink(
/*
* Get the on disk inode to find the next inode in the bucket.
*/
- error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &ibp, 0, 0);
+ error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &ibp, 0);
if (error)
goto fail_iput;
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
index e0f9d3b6abe9..bc66d95c8d4c 100644
--- a/fs/xfs/xfs_message.c
+++ b/fs/xfs/xfs_message.c
@@ -117,3 +117,25 @@ xfs_hex_dump(const void *p, int length)
{
print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
}
+
+void
+xfs_buf_alert_ratelimited(
+ struct xfs_buf *bp,
+ const char *rlmsg,
+ const char *fmt,
+ ...)
+{
+ struct xfs_mount *mp = bp->b_mount;
+ struct va_format vaf;
+ va_list args;
+
+ /* use the more aggressive per-target rate limit for buffers */
+ if (!___ratelimit(&bp->b_target->bt_ioerror_rl, rlmsg))
+ return;
+
+ va_start(args, fmt);
+ vaf.fmt = fmt;
+ vaf.va = &args;
+ __xfs_printk(KERN_ALERT, mp, &vaf);
+ va_end(args);
+}
diff --git a/fs/xfs/xfs_message.h b/fs/xfs/xfs_message.h
index 0b05e10995a0..4d9bd6bb63ca 100644
--- a/fs/xfs/xfs_message.h
+++ b/fs/xfs/xfs_message.h
@@ -31,15 +31,27 @@ void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...)
}
#endif
-#define xfs_printk_ratelimited(func, dev, fmt, ...) \
+#define xfs_printk_ratelimited(func, dev, fmt, ...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
if (__ratelimit(&_rs)) \
- func(dev, fmt, ##__VA_ARGS__); \
+ func(dev, fmt, ##__VA_ARGS__); \
} while (0)
+#define xfs_printk_once(func, dev, fmt, ...) \
+({ \
+ static bool __section(.data.once) __print_once; \
+ bool __ret_print_once = !__print_once; \
+ \
+ if (!__print_once) { \
+ __print_once = true; \
+ func(dev, fmt, ##__VA_ARGS__); \
+ } \
+ unlikely(__ret_print_once); \
+})
+
#define xfs_emerg_ratelimited(dev, fmt, ...) \
xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
#define xfs_alert_ratelimited(dev, fmt, ...) \
@@ -57,9 +69,17 @@ do { \
#define xfs_debug_ratelimited(dev, fmt, ...) \
xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
+#define xfs_warn_once(dev, fmt, ...) \
+ xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
+#define xfs_notice_once(dev, fmt, ...) \
+ xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
+
void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
extern void xfs_hex_dump(const void *p, int length);
+void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
+ const char *fmt, ...);
+
#endif /* __XFS_MESSAGE_H */
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index c5513e5a226a..d5dcf9869860 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1190,39 +1190,6 @@ xfs_log_sbcount(xfs_mount_t *mp)
}
/*
- * Deltas for the inode count are +/-64, hence we use a large batch size
- * of 128 so we don't need to take the counter lock on every update.
- */
-#define XFS_ICOUNT_BATCH 128
-int
-xfs_mod_icount(
- struct xfs_mount *mp,
- int64_t delta)
-{
- percpu_counter_add_batch(&mp->m_icount, delta, XFS_ICOUNT_BATCH);
- if (__percpu_counter_compare(&mp->m_icount, 0, XFS_ICOUNT_BATCH) < 0) {
- ASSERT(0);
- percpu_counter_add(&mp->m_icount, -delta);
- return -EINVAL;
- }
- return 0;
-}
-
-int
-xfs_mod_ifree(
- struct xfs_mount *mp,
- int64_t delta)
-{
- percpu_counter_add(&mp->m_ifree, delta);
- if (percpu_counter_compare(&mp->m_ifree, 0) < 0) {
- ASSERT(0);
- percpu_counter_add(&mp->m_ifree, -delta);
- return -EINVAL;
- }
- return 0;
-}
-
-/*
* Deltas for the block count can vary from 1 to very large, but lock contention
* only occurs on frequent small block count updates such as in the delayed
* allocation path for buffered writes (page a time updates). Hence we set
@@ -1300,10 +1267,9 @@ xfs_mod_fdblocks(
spin_unlock(&mp->m_sb_lock);
return 0;
}
- printk_once(KERN_WARNING
- "Filesystem \"%s\": reserve blocks depleted! "
- "Consider increasing reserve pool size.",
- mp->m_super->s_id);
+ xfs_warn_once(mp,
+"Reserve blocks depleted! Consider increasing reserve pool size.");
+
fdblocks_enospc:
spin_unlock(&mp->m_sb_lock);
return -ENOSPC;
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index b2e4598fdf7d..3725d25ad97e 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -55,61 +55,25 @@ struct xfs_error_cfg {
long retry_timeout; /* in jiffies, -1 = infinite */
};
+/*
+ * The struct xfsmount layout is optimised to separate read-mostly variables
+ * from variables that are frequently modified. We put the read-mostly variables
+ * first, then place all the other variables at the end.
+ *
+ * Typically, read-mostly variables are those that are set at mount time and
+ * never changed again, or only change rarely as a result of things like sysfs
+ * knobs being tweaked.
+ */
typedef struct xfs_mount {
+ struct xfs_sb m_sb; /* copy of fs superblock */
struct super_block *m_super;
-
- /*
- * Bitsets of per-fs metadata that have been checked and/or are sick.
- * Callers must hold m_sb_lock to access these two fields.
- */
- uint8_t m_fs_checked;
- uint8_t m_fs_sick;
- /*
- * Bitsets of rt metadata that have been checked and/or are sick.
- * Callers must hold m_sb_lock to access this field.
- */
- uint8_t m_rt_checked;
- uint8_t m_rt_sick;
-
struct xfs_ail *m_ail; /* fs active log item list */
-
- struct xfs_sb m_sb; /* copy of fs superblock */
- spinlock_t m_sb_lock; /* sb counter lock */
- struct percpu_counter m_icount; /* allocated inodes counter */
- struct percpu_counter m_ifree; /* free inodes counter */
- struct percpu_counter m_fdblocks; /* free block counter */
- /*
- * Count of data device blocks reserved for delayed allocations,
- * including indlen blocks. Does not include allocated CoW staging
- * extents or anything related to the rt device.
- */
- struct percpu_counter m_delalloc_blks;
-
struct xfs_buf *m_sb_bp; /* buffer for superblock */
char *m_rtname; /* realtime device name */
char *m_logname; /* external log device name */
- int m_bsize; /* fs logical block size */
- xfs_agnumber_t m_agfrotor; /* last ag where space found */
- xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
- spinlock_t m_agirotor_lock;/* .. and lock protecting it */
- xfs_agnumber_t m_maxagi; /* highest inode alloc group */
- uint m_allocsize_log;/* min write size log bytes */
- uint m_allocsize_blocks; /* min write size blocks */
struct xfs_da_geometry *m_dir_geo; /* directory block geometry */
struct xfs_da_geometry *m_attr_geo; /* attribute block geometry */
struct xlog *m_log; /* log specific stuff */
- struct xfs_ino_geometry m_ino_geo; /* inode geometry */
- int m_logbufs; /* number of log buffers */
- int m_logbsize; /* size of each log buffer */
- uint m_rsumlevels; /* rt summary levels */
- uint m_rsumsize; /* size of rt summary, bytes */
- /*
- * Optional cache of rt summary level per bitmap block with the
- * invariant that m_rsum_cache[bbno] <= the minimum i for which
- * rsum[i][bbno] != 0. Reads and writes are serialized by the rsumip
- * inode lock.
- */
- uint8_t *m_rsum_cache;
struct xfs_inode *m_rbmip; /* pointer to bitmap inode */
struct xfs_inode *m_rsumip; /* pointer to summary inode */
struct xfs_inode *m_rootip; /* pointer to root directory */
@@ -117,9 +81,26 @@ typedef struct xfs_mount {
xfs_buftarg_t *m_ddev_targp; /* saves taking the address */
xfs_buftarg_t *m_logdev_targp;/* ptr to log device */
xfs_buftarg_t *m_rtdev_targp; /* ptr to rt device */
+ /*
+ * Optional cache of rt summary level per bitmap block with the
+ * invariant that m_rsum_cache[bbno] <= the minimum i for which
+ * rsum[i][bbno] != 0. Reads and writes are serialized by the rsumip
+ * inode lock.
+ */
+ uint8_t *m_rsum_cache;
+ struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
+ struct workqueue_struct *m_buf_workqueue;
+ struct workqueue_struct *m_unwritten_workqueue;
+ struct workqueue_struct *m_cil_workqueue;
+ struct workqueue_struct *m_reclaim_workqueue;
+ struct workqueue_struct *m_eofblocks_workqueue;
+ struct workqueue_struct *m_sync_workqueue;
+
+ int m_bsize; /* fs logical block size */
uint8_t m_blkbit_log; /* blocklog + NBBY */
uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
uint8_t m_agno_log; /* log #ag's */
+ uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
uint m_blockmask; /* sb_blocksize-1 */
uint m_blockwsize; /* sb_blocksize in words */
uint m_blockwmask; /* blockwsize-1 */
@@ -138,47 +119,82 @@ typedef struct xfs_mount {
xfs_extlen_t m_ag_prealloc_blocks; /* reserved ag blocks */
uint m_alloc_set_aside; /* space we can't use */
uint m_ag_max_usable; /* max space per AG */
- struct radix_tree_root m_perag_tree; /* per-ag accounting info */
- spinlock_t m_perag_lock; /* lock for m_perag_tree */
- struct mutex m_growlock; /* growfs mutex */
+ int m_dalign; /* stripe unit */
+ int m_swidth; /* stripe width */
+ xfs_agnumber_t m_maxagi; /* highest inode alloc group */
+ uint m_allocsize_log;/* min write size log bytes */
+ uint m_allocsize_blocks; /* min write size blocks */
+ int m_logbufs; /* number of log buffers */
+ int m_logbsize; /* size of each log buffer */
+ uint m_rsumlevels; /* rt summary levels */
+ uint m_rsumsize; /* size of rt summary, bytes */
int m_fixedfsid[2]; /* unchanged for life of FS */
- uint64_t m_flags; /* global mount flags */
- bool m_finobt_nores; /* no per-AG finobt resv. */
uint m_qflags; /* quota status flags */
+ uint64_t m_flags; /* global mount flags */
+ int64_t m_low_space[XFS_LOWSP_MAX];
+ struct xfs_ino_geometry m_ino_geo; /* inode geometry */
struct xfs_trans_resv m_resv; /* precomputed res values */
+ /* low free space thresholds */
+ bool m_always_cow;
+ bool m_fail_unmount;
+ bool m_finobt_nores; /* no per-AG finobt resv. */
+ bool m_update_sb; /* sb needs update in mount */
+
+ /*
+ * Bitsets of per-fs metadata that have been checked and/or are sick.
+ * Callers must hold m_sb_lock to access these two fields.
+ */
+ uint8_t m_fs_checked;
+ uint8_t m_fs_sick;
+ /*
+ * Bitsets of rt metadata that have been checked and/or are sick.
+ * Callers must hold m_sb_lock to access this field.
+ */
+ uint8_t m_rt_checked;
+ uint8_t m_rt_sick;
+
+ /*
+ * End of read-mostly variables. Frequently written variables and locks
+ * should be placed below this comment from now on. The first variable
+ * here is marked as cacheline aligned so they it is separated from
+ * the read-mostly variables.
+ */
+
+ spinlock_t ____cacheline_aligned m_sb_lock; /* sb counter lock */
+ struct percpu_counter m_icount; /* allocated inodes counter */
+ struct percpu_counter m_ifree; /* free inodes counter */
+ struct percpu_counter m_fdblocks; /* free block counter */
+ /*
+ * Count of data device blocks reserved for delayed allocations,
+ * including indlen blocks. Does not include allocated CoW staging
+ * extents or anything related to the rt device.
+ */
+ struct percpu_counter m_delalloc_blks;
+
+ struct radix_tree_root m_perag_tree; /* per-ag accounting info */
+ spinlock_t m_perag_lock; /* lock for m_perag_tree */
uint64_t m_resblks; /* total reserved blocks */
uint64_t m_resblks_avail;/* available reserved blocks */
uint64_t m_resblks_save; /* reserved blks @ remount,ro */
- int m_dalign; /* stripe unit */
- int m_swidth; /* stripe width */
- uint8_t m_sectbb_log; /* sectlog - BBSHIFT */
- atomic_t m_active_trans; /* number trans frozen */
- struct xfs_mru_cache *m_filestream; /* per-mount filestream data */
struct delayed_work m_reclaim_work; /* background inode reclaim */
struct delayed_work m_eofblocks_work; /* background eof blocks
trimming */
struct delayed_work m_cowblocks_work; /* background cow blocks
trimming */
- bool m_update_sb; /* sb needs update in mount */
- int64_t m_low_space[XFS_LOWSP_MAX];
- /* low free space thresholds */
struct xfs_kobj m_kobj;
struct xfs_kobj m_error_kobj;
struct xfs_kobj m_error_meta_kobj;
struct xfs_error_cfg m_error_cfg[XFS_ERR_CLASS_MAX][XFS_ERR_ERRNO_MAX];
struct xstats m_stats; /* per-fs stats */
+ xfs_agnumber_t m_agfrotor; /* last ag where space found */
+ xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
+ spinlock_t m_agirotor_lock;/* .. and lock protecting it */
/*
* Workqueue item so that we can coalesce multiple inode flush attempts
* into a single flush.
*/
struct work_struct m_flush_inodes_work;
- struct workqueue_struct *m_buf_workqueue;
- struct workqueue_struct *m_unwritten_workqueue;
- struct workqueue_struct *m_cil_workqueue;
- struct workqueue_struct *m_reclaim_workqueue;
- struct workqueue_struct *m_eofblocks_workqueue;
- struct workqueue_struct *m_sync_workqueue;
/*
* Generation of the filesysyem layout. This is incremented by each
@@ -190,9 +206,8 @@ typedef struct xfs_mount {
* to various other kinds of pain inflicted on the pNFS server.
*/
uint32_t m_generation;
+ struct mutex m_growlock; /* growfs mutex */
- bool m_always_cow;
- bool m_fail_unmount;
#ifdef DEBUG
/*
* Frequency with which errors are injected. Replaces xfs_etest; the
@@ -237,8 +252,8 @@ typedef struct xfs_mount {
#define XFS_MOUNT_FILESTREAMS (1ULL << 24) /* enable the filestreams
allocator */
#define XFS_MOUNT_NOATTR2 (1ULL << 25) /* disable use of attr2 format */
-
-#define XFS_MOUNT_DAX (1ULL << 62) /* TEST ONLY! */
+#define XFS_MOUNT_DAX_ALWAYS (1ULL << 26)
+#define XFS_MOUNT_DAX_NEVER (1ULL << 27)
/*
* Max and min values for mount-option defined I/O
@@ -259,8 +274,6 @@ void xfs_do_force_shutdown(struct xfs_mount *mp, int flags, char *fname,
#define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */
#define SHUTDOWN_FORCE_UMOUNT 0x0004 /* shutdown from a forced unmount */
#define SHUTDOWN_CORRUPT_INCORE 0x0008 /* corrupt in-memory data structures */
-#define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */
-#define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */
/*
* Flags for xfs_mountfs
@@ -394,8 +407,6 @@ extern int xfs_initialize_perag(xfs_mount_t *mp, xfs_agnumber_t agcount,
xfs_agnumber_t *maxagi);
extern void xfs_unmountfs(xfs_mount_t *);
-extern int xfs_mod_icount(struct xfs_mount *mp, int64_t delta);
-extern int xfs_mod_ifree(struct xfs_mount *mp, int64_t delta);
extern int xfs_mod_fdblocks(struct xfs_mount *mp, int64_t delta,
bool reserved);
extern int xfs_mod_frextents(struct xfs_mount *mp, int64_t delta);
diff --git a/fs/xfs/xfs_pnfs.c b/fs/xfs/xfs_pnfs.c
index bb3008d390aa..b101feb2aab4 100644
--- a/fs/xfs/xfs_pnfs.c
+++ b/fs/xfs/xfs_pnfs.c
@@ -58,9 +58,8 @@ xfs_fs_get_uuid(
{
struct xfs_mount *mp = XFS_M(sb);
- printk_once(KERN_NOTICE
-"XFS (%s): using experimental pNFS feature, use at your own risk!\n",
- mp->m_super->s_id);
+ xfs_notice_once(mp,
+"Using experimental pNFS feature, use at your own risk!");
if (*len < sizeof(uuid_t))
return -EINVAL;
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index c225691fad15..d6cd83317344 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -558,7 +558,7 @@ xfs_qm_set_defquota(
return;
ddqp = &dqp->q_core;
- defq = xfs_get_defquota(dqp, qinf);
+ defq = xfs_get_defquota(qinf, xfs_dquot_type(dqp));
/*
* Timers and warnings have been already set, let's just set the
@@ -577,19 +577,22 @@ xfs_qm_set_defquota(
static void
xfs_qm_init_timelimits(
struct xfs_mount *mp,
- struct xfs_quotainfo *qinf)
+ uint type)
{
+ struct xfs_quotainfo *qinf = mp->m_quotainfo;
+ struct xfs_def_quota *defq;
struct xfs_disk_dquot *ddqp;
struct xfs_dquot *dqp;
- uint type;
int error;
- qinf->qi_btimelimit = XFS_QM_BTIMELIMIT;
- qinf->qi_itimelimit = XFS_QM_ITIMELIMIT;
- qinf->qi_rtbtimelimit = XFS_QM_RTBTIMELIMIT;
- qinf->qi_bwarnlimit = XFS_QM_BWARNLIMIT;
- qinf->qi_iwarnlimit = XFS_QM_IWARNLIMIT;
- qinf->qi_rtbwarnlimit = XFS_QM_RTBWARNLIMIT;
+ defq = xfs_get_defquota(qinf, type);
+
+ defq->btimelimit = XFS_QM_BTIMELIMIT;
+ defq->itimelimit = XFS_QM_ITIMELIMIT;
+ defq->rtbtimelimit = XFS_QM_RTBTIMELIMIT;
+ defq->bwarnlimit = XFS_QM_BWARNLIMIT;
+ defq->iwarnlimit = XFS_QM_IWARNLIMIT;
+ defq->rtbwarnlimit = XFS_QM_RTBWARNLIMIT;
/*
* We try to get the limits from the superuser's limits fields.
@@ -597,39 +600,30 @@ xfs_qm_init_timelimits(
*
* Since we may not have done a quotacheck by this point, just read
* the dquot without attaching it to any hashtables or lists.
- *
- * Timers and warnings are globally set by the first timer found in
- * user/group/proj quota types, otherwise a default value is used.
- * This should be split into different fields per quota type.
*/
- if (XFS_IS_UQUOTA_RUNNING(mp))
- type = XFS_DQ_USER;
- else if (XFS_IS_GQUOTA_RUNNING(mp))
- type = XFS_DQ_GROUP;
- else
- type = XFS_DQ_PROJ;
error = xfs_qm_dqget_uncached(mp, 0, type, &dqp);
if (error)
return;
ddqp = &dqp->q_core;
+
/*
* The warnings and timers set the grace period given to
* a user or group before he or she can not perform any
* more writing. If it is zero, a default is used.
*/
if (ddqp->d_btimer)
- qinf->qi_btimelimit = be32_to_cpu(ddqp->d_btimer);
+ defq->btimelimit = be32_to_cpu(ddqp->d_btimer);
if (ddqp->d_itimer)
- qinf->qi_itimelimit = be32_to_cpu(ddqp->d_itimer);
+ defq->itimelimit = be32_to_cpu(ddqp->d_itimer);
if (ddqp->d_rtbtimer)
- qinf->qi_rtbtimelimit = be32_to_cpu(ddqp->d_rtbtimer);
+ defq->rtbtimelimit = be32_to_cpu(ddqp->d_rtbtimer);
if (ddqp->d_bwarns)
- qinf->qi_bwarnlimit = be16_to_cpu(ddqp->d_bwarns);
+ defq->bwarnlimit = be16_to_cpu(ddqp->d_bwarns);
if (ddqp->d_iwarns)
- qinf->qi_iwarnlimit = be16_to_cpu(ddqp->d_iwarns);
+ defq->iwarnlimit = be16_to_cpu(ddqp->d_iwarns);
if (ddqp->d_rtbwarns)
- qinf->qi_rtbwarnlimit = be16_to_cpu(ddqp->d_rtbwarns);
+ defq->rtbwarnlimit = be16_to_cpu(ddqp->d_rtbwarns);
xfs_qm_dqdestroy(dqp);
}
@@ -675,7 +669,9 @@ xfs_qm_init_quotainfo(
mp->m_qflags |= (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_CHKD);
- xfs_qm_init_timelimits(mp, qinf);
+ xfs_qm_init_timelimits(mp, XFS_DQ_USER);
+ xfs_qm_init_timelimits(mp, XFS_DQ_GROUP);
+ xfs_qm_init_timelimits(mp, XFS_DQ_PROJ);
if (XFS_IS_UQUOTA_RUNNING(mp))
xfs_qm_set_defquota(mp, XFS_DQ_USER, qinf);
@@ -780,7 +776,8 @@ xfs_qm_qino_alloc(
}
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_create,
- XFS_QM_QINOCREATE_SPACE_RES(mp), 0, 0, &tp);
+ need_alloc ? XFS_QM_QINOCREATE_SPACE_RES(mp) : 0,
+ 0, 0, &tp);
if (error)
return error;
@@ -1116,7 +1113,7 @@ xfs_qm_quotacheck_dqadjust(
*/
if (dqp->q_core.d_id) {
xfs_qm_adjust_dqlimits(mp, dqp);
- xfs_qm_adjust_dqtimers(mp, &dqp->q_core);
+ xfs_qm_adjust_dqtimers(mp, dqp);
}
dqp->dq_flags |= XFS_DQ_DIRTY;
@@ -1730,8 +1727,7 @@ xfs_qm_vop_dqalloc(
pq = xfs_qm_dqhold(ip->i_pdquot);
}
}
- if (uq)
- trace_xfs_dquot_dqalloc(ip);
+ trace_xfs_dquot_dqalloc(ip);
xfs_iunlock(ip, lockflags);
if (O_udqpp)
@@ -1808,7 +1804,7 @@ xfs_qm_vop_chown_reserve(
{
struct xfs_mount *mp = ip->i_mount;
uint64_t delblks;
- unsigned int blkflags, prjflags = 0;
+ unsigned int blkflags;
struct xfs_dquot *udq_unres = NULL;
struct xfs_dquot *gdq_unres = NULL;
struct xfs_dquot *pdq_unres = NULL;
@@ -1849,7 +1845,6 @@ xfs_qm_vop_chown_reserve(
if (XFS_IS_PQUOTA_ON(ip->i_mount) && pdqp &&
ip->i_d.di_projid != be32_to_cpu(pdqp->q_core.d_id)) {
- prjflags = XFS_QMOPT_ENOSPC;
pdq_delblks = pdqp;
if (delblks) {
ASSERT(ip->i_pdquot);
@@ -1859,8 +1854,7 @@ xfs_qm_vop_chown_reserve(
error = xfs_trans_reserve_quota_bydquots(tp, ip->i_mount,
udq_delblks, gdq_delblks, pdq_delblks,
- ip->i_d.di_nblocks, 1,
- flags | blkflags | prjflags);
+ ip->i_d.di_nblocks, 1, flags | blkflags);
if (error)
return error;
@@ -1878,8 +1872,7 @@ xfs_qm_vop_chown_reserve(
ASSERT(udq_unres || gdq_unres || pdq_unres);
error = xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
udq_delblks, gdq_delblks, pdq_delblks,
- (xfs_qcnt_t)delblks, 0,
- flags | blkflags | prjflags);
+ (xfs_qcnt_t)delblks, 0, flags | blkflags);
if (error)
return error;
xfs_trans_reserve_quota_bydquots(NULL, ip->i_mount,
@@ -1932,7 +1925,6 @@ xfs_qm_vop_create_dqattach(
return;
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
- ASSERT(XFS_IS_QUOTA_RUNNING(mp));
if (udqp && XFS_IS_UQUOTA_ON(mp)) {
ASSERT(ip->i_udquot == NULL);
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 4e57edca8bce..7b0e771fcbce 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -41,13 +41,20 @@ extern struct kmem_zone *xfs_qm_dqtrxzone;
*/
#define XFS_DQUOT_CLUSTER_SIZE_FSB (xfs_filblks_t)1
+/* Defaults for each quota type: time limits, warn limits, usage limits */
struct xfs_def_quota {
- xfs_qcnt_t bhardlimit; /* default data blk hard limit */
- xfs_qcnt_t bsoftlimit; /* default data blk soft limit */
- xfs_qcnt_t ihardlimit; /* default inode count hard limit */
- xfs_qcnt_t isoftlimit; /* default inode count soft limit */
- xfs_qcnt_t rtbhardlimit; /* default realtime blk hard limit */
- xfs_qcnt_t rtbsoftlimit; /* default realtime blk soft limit */
+ time64_t btimelimit; /* limit for blks timer */
+ time64_t itimelimit; /* limit for inodes timer */
+ time64_t rtbtimelimit; /* limit for rt blks timer */
+ xfs_qwarncnt_t bwarnlimit; /* limit for blks warnings */
+ xfs_qwarncnt_t iwarnlimit; /* limit for inodes warnings */
+ xfs_qwarncnt_t rtbwarnlimit; /* limit for rt blks warnings */
+ xfs_qcnt_t bhardlimit; /* default data blk hard limit */
+ xfs_qcnt_t bsoftlimit; /* default data blk soft limit */
+ xfs_qcnt_t ihardlimit; /* default inode count hard limit */
+ xfs_qcnt_t isoftlimit; /* default inode count soft limit */
+ xfs_qcnt_t rtbhardlimit; /* default realtime blk hard limit */
+ xfs_qcnt_t rtbsoftlimit; /* default realtime blk soft limit */
};
/*
@@ -55,28 +62,22 @@ struct xfs_def_quota {
* The mount structure keeps a pointer to this.
*/
struct xfs_quotainfo {
- struct radix_tree_root qi_uquota_tree;
- struct radix_tree_root qi_gquota_tree;
- struct radix_tree_root qi_pquota_tree;
- struct mutex qi_tree_lock;
+ struct radix_tree_root qi_uquota_tree;
+ struct radix_tree_root qi_gquota_tree;
+ struct radix_tree_root qi_pquota_tree;
+ struct mutex qi_tree_lock;
struct xfs_inode *qi_uquotaip; /* user quota inode */
struct xfs_inode *qi_gquotaip; /* group quota inode */
struct xfs_inode *qi_pquotaip; /* project quota inode */
- struct list_lru qi_lru;
- int qi_dquots;
- time64_t qi_btimelimit; /* limit for blks timer */
- time64_t qi_itimelimit; /* limit for inodes timer */
- time64_t qi_rtbtimelimit;/* limit for rt blks timer */
- xfs_qwarncnt_t qi_bwarnlimit; /* limit for blks warnings */
- xfs_qwarncnt_t qi_iwarnlimit; /* limit for inodes warnings */
- xfs_qwarncnt_t qi_rtbwarnlimit;/* limit for rt blks warnings */
- struct mutex qi_quotaofflock;/* to serialize quotaoff */
- xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */
- uint qi_dqperchunk; /* # ondisk dqs in above chunk */
+ struct list_lru qi_lru;
+ int qi_dquots;
+ struct mutex qi_quotaofflock;/* to serialize quotaoff */
+ xfs_filblks_t qi_dqchunklen; /* # BBs in a chunk of dqs */
+ uint qi_dqperchunk; /* # ondisk dq in above chunk */
struct xfs_def_quota qi_usr_default;
struct xfs_def_quota qi_grp_default;
struct xfs_def_quota qi_prj_default;
- struct shrinker qi_shrinker;
+ struct shrinker qi_shrinker;
};
static inline struct radix_tree_root *
@@ -113,6 +114,17 @@ xfs_quota_inode(xfs_mount_t *mp, uint dq_flags)
return NULL;
}
+static inline int
+xfs_dquot_type(struct xfs_dquot *dqp)
+{
+ if (XFS_QM_ISUDQ(dqp))
+ return XFS_DQ_USER;
+ if (XFS_QM_ISGDQ(dqp))
+ return XFS_DQ_GROUP;
+ ASSERT(XFS_QM_ISPDQ(dqp));
+ return XFS_DQ_PROJ;
+}
+
extern void xfs_trans_mod_dquot(struct xfs_trans *tp, struct xfs_dquot *dqp,
uint field, int64_t delta);
extern void xfs_trans_dqjoin(struct xfs_trans *, struct xfs_dquot *);
@@ -164,19 +176,19 @@ extern int xfs_qm_scall_quotaon(struct xfs_mount *, uint);
extern int xfs_qm_scall_quotaoff(struct xfs_mount *, uint);
static inline struct xfs_def_quota *
-xfs_get_defquota(struct xfs_dquot *dqp, struct xfs_quotainfo *qi)
+xfs_get_defquota(struct xfs_quotainfo *qi, int type)
{
- struct xfs_def_quota *defq;
-
- if (XFS_QM_ISUDQ(dqp))
- defq = &qi->qi_usr_default;
- else if (XFS_QM_ISGDQ(dqp))
- defq = &qi->qi_grp_default;
- else {
- ASSERT(XFS_QM_ISPDQ(dqp));
- defq = &qi->qi_prj_default;
+ switch (type) {
+ case XFS_DQ_USER:
+ return &qi->qi_usr_default;
+ case XFS_DQ_GROUP:
+ return &qi->qi_grp_default;
+ case XFS_DQ_PROJ:
+ return &qi->qi_prj_default;
+ default:
+ ASSERT(0);
+ return NULL;
}
- return defq;
}
#endif /* __XFS_QM_H__ */
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 5d5ac65aa1cc..7effd7a28136 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -302,7 +302,7 @@ xfs_qm_scall_trunc_qfile(
goto out_unlock;
}
- ASSERT(ip->i_d.di_nextents == 0);
+ ASSERT(ip->i_df.if_nextents == 0);
xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
error = xfs_trans_commit(tp);
@@ -357,11 +357,11 @@ xfs_qm_scall_quotaon(
int error;
uint qf;
- flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD);
/*
- * Switching on quota accounting must be done at mount time.
+ * Switching on quota accounting must be done at mount time,
+ * only consider quota enforcement stuff here.
*/
- flags &= ~(XFS_ALL_QUOTA_ACCT);
+ flags &= XFS_ALL_QUOTA_ENFD;
if (flags == 0) {
xfs_debug(mp, "%s: zero flags, m_qflags=%x",
@@ -479,7 +479,7 @@ xfs_qm_scall_setqlim(
goto out_unlock;
}
- defq = xfs_get_defquota(dqp, q);
+ defq = xfs_get_defquota(q, xfs_dquot_type(dqp));
xfs_dqunlock(dqp);
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_qm_setqlim, 0, 0, 0, &tp);
@@ -555,32 +555,40 @@ xfs_qm_scall_setqlim(
ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns);
if (id == 0) {
- /*
- * Timelimits for the super user set the relative time
- * the other users can be over quota for this file system.
- * If it is zero a default is used. Ditto for the default
- * soft and hard limit values (already done, above), and
- * for warnings.
- */
- if (newlim->d_fieldmask & QC_SPC_TIMER) {
- q->qi_btimelimit = newlim->d_spc_timer;
- ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
- }
- if (newlim->d_fieldmask & QC_INO_TIMER) {
- q->qi_itimelimit = newlim->d_ino_timer;
- ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
- }
- if (newlim->d_fieldmask & QC_RT_SPC_TIMER) {
- q->qi_rtbtimelimit = newlim->d_rt_spc_timer;
- ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
- }
if (newlim->d_fieldmask & QC_SPC_WARNS)
- q->qi_bwarnlimit = newlim->d_spc_warns;
+ defq->bwarnlimit = newlim->d_spc_warns;
if (newlim->d_fieldmask & QC_INO_WARNS)
- q->qi_iwarnlimit = newlim->d_ino_warns;
+ defq->iwarnlimit = newlim->d_ino_warns;
if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
- q->qi_rtbwarnlimit = newlim->d_rt_spc_warns;
- } else {
+ defq->rtbwarnlimit = newlim->d_rt_spc_warns;
+ }
+
+ /*
+ * Timelimits for the super user set the relative time the other users
+ * can be over quota for this file system. If it is zero a default is
+ * used. Ditto for the default soft and hard limit values (already
+ * done, above), and for warnings.
+ *
+ * For other IDs, userspace can bump out the grace period if over
+ * the soft limit.
+ */
+ if (newlim->d_fieldmask & QC_SPC_TIMER)
+ ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer);
+ if (newlim->d_fieldmask & QC_INO_TIMER)
+ ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer);
+ if (newlim->d_fieldmask & QC_RT_SPC_TIMER)
+ ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer);
+
+ if (id == 0) {
+ if (newlim->d_fieldmask & QC_SPC_TIMER)
+ defq->btimelimit = newlim->d_spc_timer;
+ if (newlim->d_fieldmask & QC_INO_TIMER)
+ defq->itimelimit = newlim->d_ino_timer;
+ if (newlim->d_fieldmask & QC_RT_SPC_TIMER)
+ defq->rtbtimelimit = newlim->d_rt_spc_timer;
+ }
+
+ if (id != 0) {
/*
* If the user is now over quota, start the timelimit.
* The user will not be 'warned'.
@@ -588,7 +596,7 @@ xfs_qm_scall_setqlim(
* is on or off. We don't really want to bother with iterating
* over all ondisk dquots and turning the timers on/off.
*/
- xfs_qm_adjust_dqtimers(mp, ddq);
+ xfs_qm_adjust_dqtimers(mp, dqp);
}
dqp->dq_flags |= XFS_DQ_DIRTY;
xfs_trans_log_dquot(tp, dqp);
@@ -729,9 +737,10 @@ xfs_qm_scall_getquota_next(
STATIC int
xfs_dqrele_inode(
struct xfs_inode *ip,
- int flags,
void *args)
{
+ uint *flags = args;
+
/* skip quota inodes */
if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
ip == ip->i_mount->m_quotainfo->qi_gquotaip ||
@@ -743,15 +752,15 @@ xfs_dqrele_inode(
}
xfs_ilock(ip, XFS_ILOCK_EXCL);
- if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
+ if ((*flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
xfs_qm_dqrele(ip->i_udquot);
ip->i_udquot = NULL;
}
- if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
+ if ((*flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) {
xfs_qm_dqrele(ip->i_gdquot);
ip->i_gdquot = NULL;
}
- if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) {
+ if ((*flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) {
xfs_qm_dqrele(ip->i_pdquot);
ip->i_pdquot = NULL;
}
@@ -768,10 +777,10 @@ xfs_dqrele_inode(
*/
void
xfs_qm_dqrele_all_inodes(
- struct xfs_mount *mp,
- uint flags)
+ struct xfs_mount *mp,
+ uint flags)
{
ASSERT(mp->m_quotainfo);
- xfs_inode_ag_iterator_flags(mp, xfs_dqrele_inode, flags, NULL,
- XFS_AGITER_INEW_WAIT);
+ xfs_inode_walk(mp, XFS_INODE_WALK_INEW_WAIT, xfs_dqrele_inode,
+ &flags, XFS_ICI_NO_TAG);
}
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 38669e827206..bf809b77a316 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -21,10 +21,10 @@ xfs_qm_fill_state(
struct qc_type_state *tstate,
struct xfs_mount *mp,
struct xfs_inode *ip,
- xfs_ino_t ino)
+ xfs_ino_t ino,
+ struct xfs_def_quota *defq)
{
- struct xfs_quotainfo *q = mp->m_quotainfo;
- bool tempqip = false;
+ bool tempqip = false;
tstate->ino = ino;
if (!ip && ino == NULLFSINO)
@@ -36,13 +36,13 @@ xfs_qm_fill_state(
}
tstate->flags |= QCI_SYSFILE;
tstate->blocks = ip->i_d.di_nblocks;
- tstate->nextents = ip->i_d.di_nextents;
- tstate->spc_timelimit = (u32)q->qi_btimelimit;
- tstate->ino_timelimit = (u32)q->qi_itimelimit;
- tstate->rt_spc_timelimit = (u32)q->qi_rtbtimelimit;
- tstate->spc_warnlimit = q->qi_bwarnlimit;
- tstate->ino_warnlimit = q->qi_iwarnlimit;
- tstate->rt_spc_warnlimit = q->qi_rtbwarnlimit;
+ tstate->nextents = ip->i_df.if_nextents;
+ tstate->spc_timelimit = (u32)defq->btimelimit;
+ tstate->ino_timelimit = (u32)defq->itimelimit;
+ tstate->rt_spc_timelimit = (u32)defq->rtbtimelimit;
+ tstate->spc_warnlimit = defq->bwarnlimit;
+ tstate->ino_warnlimit = defq->iwarnlimit;
+ tstate->rt_spc_warnlimit = defq->rtbwarnlimit;
if (tempqip)
xfs_irele(ip);
}
@@ -77,11 +77,11 @@ xfs_fs_get_quota_state(
state->s_state[PRJQUOTA].flags |= QCI_LIMITS_ENFORCED;
xfs_qm_fill_state(&state->s_state[USRQUOTA], mp, q->qi_uquotaip,
- mp->m_sb.sb_uquotino);
+ mp->m_sb.sb_uquotino, &q->qi_usr_default);
xfs_qm_fill_state(&state->s_state[GRPQUOTA], mp, q->qi_gquotaip,
- mp->m_sb.sb_gquotino);
+ mp->m_sb.sb_gquotino, &q->qi_grp_default);
xfs_qm_fill_state(&state->s_state[PRJQUOTA], mp, q->qi_pquotaip,
- mp->m_sb.sb_pquotino);
+ mp->m_sb.sb_pquotino, &q->qi_prj_default);
return 0;
}
@@ -109,8 +109,8 @@ xfs_fs_set_info(
int type,
struct qc_info *info)
{
- struct xfs_mount *mp = XFS_M(sb);
- struct qc_dqblk newlim;
+ struct xfs_mount *mp = XFS_M(sb);
+ struct qc_dqblk newlim;
if (sb_rdonly(sb))
return -EROFS;
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index 8eeed73928cd..c81639891e29 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -18,16 +18,20 @@
#include "xfs_log.h"
#include "xfs_refcount.h"
#include "xfs_error.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
kmem_zone_t *xfs_cui_zone;
kmem_zone_t *xfs_cud_zone;
+static const struct xfs_item_ops xfs_cui_item_ops;
+
static inline struct xfs_cui_log_item *CUI_ITEM(struct xfs_log_item *lip)
{
return container_of(lip, struct xfs_cui_log_item, cui_item);
}
-void
+STATIC void
xfs_cui_item_free(
struct xfs_cui_log_item *cuip)
{
@@ -44,13 +48,13 @@ xfs_cui_item_free(
* committed vs unpin operations in bulk insert operations. Hence the reference
* count to ensure only the last caller frees the CUI.
*/
-void
+STATIC void
xfs_cui_release(
struct xfs_cui_log_item *cuip)
{
ASSERT(atomic_read(&cuip->cui_refcount) > 0);
if (atomic_dec_and_test(&cuip->cui_refcount)) {
- xfs_trans_ail_remove(&cuip->cui_item, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(&cuip->cui_item, SHUTDOWN_LOG_IO_ERROR);
xfs_cui_item_free(cuip);
}
}
@@ -123,17 +127,10 @@ xfs_cui_item_release(
xfs_cui_release(CUI_ITEM(lip));
}
-static const struct xfs_item_ops xfs_cui_item_ops = {
- .iop_size = xfs_cui_item_size,
- .iop_format = xfs_cui_item_format,
- .iop_unpin = xfs_cui_item_unpin,
- .iop_release = xfs_cui_item_release,
-};
-
/*
* Allocate and initialize an cui item with the given number of extents.
*/
-struct xfs_cui_log_item *
+STATIC struct xfs_cui_log_item *
xfs_cui_init(
struct xfs_mount *mp,
uint nextents)
@@ -284,27 +281,6 @@ xfs_refcount_update_diff_items(
XFS_FSB_TO_AGNO(mp, rb->ri_startblock);
}
-/* Get an CUI. */
-STATIC void *
-xfs_refcount_update_create_intent(
- struct xfs_trans *tp,
- unsigned int count)
-{
- struct xfs_cui_log_item *cuip;
-
- ASSERT(tp != NULL);
- ASSERT(count > 0);
-
- cuip = xfs_cui_init(tp->t_mountp, count);
- ASSERT(cuip != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &cuip->cui_item);
- return cuip;
-}
-
/* Set the phys extent flags for this reverse mapping. */
static void
xfs_trans_set_refcount_flags(
@@ -328,16 +304,12 @@ xfs_trans_set_refcount_flags(
STATIC void
xfs_refcount_update_log_item(
struct xfs_trans *tp,
- void *intent,
- struct list_head *item)
+ struct xfs_cui_log_item *cuip,
+ struct xfs_refcount_intent *refc)
{
- struct xfs_cui_log_item *cuip = intent;
- struct xfs_refcount_intent *refc;
uint next_extent;
struct xfs_phys_extent *ext;
- refc = container_of(item, struct xfs_refcount_intent, ri_list);
-
tp->t_flags |= XFS_TRANS_DIRTY;
set_bit(XFS_LI_DIRTY, &cuip->cui_item.li_flags);
@@ -354,23 +326,44 @@ xfs_refcount_update_log_item(
xfs_trans_set_refcount_flags(ext, refc->ri_type);
}
+static struct xfs_log_item *
+xfs_refcount_update_create_intent(
+ struct xfs_trans *tp,
+ struct list_head *items,
+ unsigned int count,
+ bool sort)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_cui_log_item *cuip = xfs_cui_init(mp, count);
+ struct xfs_refcount_intent *refc;
+
+ ASSERT(count > 0);
+
+ xfs_trans_add_item(tp, &cuip->cui_item);
+ if (sort)
+ list_sort(mp, items, xfs_refcount_update_diff_items);
+ list_for_each_entry(refc, items, ri_list)
+ xfs_refcount_update_log_item(tp, cuip, refc);
+ return &cuip->cui_item;
+}
+
/* Get an CUD so we can process all the deferred refcount updates. */
-STATIC void *
+static struct xfs_log_item *
xfs_refcount_update_create_done(
struct xfs_trans *tp,
- void *intent,
+ struct xfs_log_item *intent,
unsigned int count)
{
- return xfs_trans_get_cud(tp, intent);
+ return &xfs_trans_get_cud(tp, CUI_ITEM(intent))->cud_item;
}
/* Process a deferred refcount update. */
STATIC int
xfs_refcount_update_finish_item(
struct xfs_trans *tp,
+ struct xfs_log_item *done,
struct list_head *item,
- void *done_item,
- void **state)
+ struct xfs_btree_cur **state)
{
struct xfs_refcount_intent *refc;
xfs_fsblock_t new_fsb;
@@ -378,12 +371,10 @@ xfs_refcount_update_finish_item(
int error;
refc = container_of(item, struct xfs_refcount_intent, ri_list);
- error = xfs_trans_log_finish_refcount_update(tp, done_item,
- refc->ri_type,
- refc->ri_startblock,
- refc->ri_blockcount,
- &new_fsb, &new_aglen,
- (struct xfs_btree_cur **)state);
+ error = xfs_trans_log_finish_refcount_update(tp, CUD_ITEM(done),
+ refc->ri_type, refc->ri_startblock, refc->ri_blockcount,
+ &new_fsb, &new_aglen, state);
+
/* Did we run out of reservation? Requeue what we didn't finish. */
if (!error && new_aglen > 0) {
ASSERT(refc->ri_type == XFS_REFCOUNT_INCREASE ||
@@ -396,24 +387,12 @@ xfs_refcount_update_finish_item(
return error;
}
-/* Clean up after processing deferred refcounts. */
-STATIC void
-xfs_refcount_update_finish_cleanup(
- struct xfs_trans *tp,
- void *state,
- int error)
-{
- struct xfs_btree_cur *rcur = state;
-
- xfs_refcount_finish_one_cleanup(tp, rcur, error);
-}
-
/* Abort all pending CUIs. */
STATIC void
xfs_refcount_update_abort_intent(
- void *intent)
+ struct xfs_log_item *intent)
{
- xfs_cui_release(intent);
+ xfs_cui_release(CUI_ITEM(intent));
}
/* Cancel a deferred refcount update. */
@@ -429,13 +408,11 @@ xfs_refcount_update_cancel_item(
const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
.max_items = XFS_CUI_MAX_FAST_EXTENTS,
- .diff_items = xfs_refcount_update_diff_items,
.create_intent = xfs_refcount_update_create_intent,
.abort_intent = xfs_refcount_update_abort_intent,
- .log_item = xfs_refcount_update_log_item,
.create_done = xfs_refcount_update_create_done,
.finish_item = xfs_refcount_update_finish_item,
- .finish_cleanup = xfs_refcount_update_finish_cleanup,
+ .finish_cleanup = xfs_refcount_finish_one_cleanup,
.cancel_item = xfs_refcount_update_cancel_item,
};
@@ -443,28 +420,27 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
* Process a refcount update intent item that was recovered from the log.
* We need to update the refcountbt.
*/
-int
-xfs_cui_recover(
- struct xfs_trans *parent_tp,
- struct xfs_cui_log_item *cuip)
+STATIC int
+xfs_cui_item_recover(
+ struct xfs_log_item *lip,
+ struct xfs_trans *parent_tp)
{
- int i;
- int error = 0;
- unsigned int refc_type;
+ struct xfs_bmbt_irec irec;
+ struct xfs_cui_log_item *cuip = CUI_ITEM(lip);
struct xfs_phys_extent *refc;
- xfs_fsblock_t startblock_fsb;
- bool op_ok;
struct xfs_cud_log_item *cudp;
struct xfs_trans *tp;
struct xfs_btree_cur *rcur = NULL;
- enum xfs_refcount_intent_type type;
+ struct xfs_mount *mp = parent_tp->t_mountp;
+ xfs_fsblock_t startblock_fsb;
xfs_fsblock_t new_fsb;
xfs_extlen_t new_len;
- struct xfs_bmbt_irec irec;
+ unsigned int refc_type;
+ bool op_ok;
bool requeue_only = false;
- struct xfs_mount *mp = parent_tp->t_mountp;
-
- ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags));
+ enum xfs_refcount_intent_type type;
+ int i;
+ int error = 0;
/*
* First check the validity of the extents described by the
@@ -495,7 +471,6 @@ xfs_cui_recover(
* This will pull the CUI from the AIL and
* free the memory associated with it.
*/
- set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
xfs_cui_release(cuip);
return -EFSCORRUPTED;
}
@@ -579,7 +554,6 @@ xfs_cui_recover(
}
xfs_refcount_finish_one_cleanup(tp, rcur, error);
- set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
xfs_defer_move(parent_tp, tp);
error = xfs_trans_commit(tp);
return error;
@@ -590,3 +564,117 @@ abort_error:
xfs_trans_cancel(tp);
return error;
}
+
+STATIC bool
+xfs_cui_item_match(
+ struct xfs_log_item *lip,
+ uint64_t intent_id)
+{
+ return CUI_ITEM(lip)->cui_format.cui_id == intent_id;
+}
+
+static const struct xfs_item_ops xfs_cui_item_ops = {
+ .iop_size = xfs_cui_item_size,
+ .iop_format = xfs_cui_item_format,
+ .iop_unpin = xfs_cui_item_unpin,
+ .iop_release = xfs_cui_item_release,
+ .iop_recover = xfs_cui_item_recover,
+ .iop_match = xfs_cui_item_match,
+};
+
+/*
+ * Copy an CUI format buffer from the given buf, and into the destination
+ * CUI format structure. The CUI/CUD items were designed not to need any
+ * special alignment handling.
+ */
+static int
+xfs_cui_copy_format(
+ struct xfs_log_iovec *buf,
+ struct xfs_cui_log_format *dst_cui_fmt)
+{
+ struct xfs_cui_log_format *src_cui_fmt;
+ uint len;
+
+ src_cui_fmt = buf->i_addr;
+ len = xfs_cui_log_format_sizeof(src_cui_fmt->cui_nextents);
+
+ if (buf->i_len == len) {
+ memcpy(dst_cui_fmt, src_cui_fmt, len);
+ return 0;
+ }
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
+ return -EFSCORRUPTED;
+}
+
+/*
+ * This routine is called to create an in-core extent refcount update
+ * item from the cui format structure which was logged on disk.
+ * It allocates an in-core cui, copies the extents from the format
+ * structure into it, and adds the cui to the AIL with the given
+ * LSN.
+ */
+STATIC int
+xlog_recover_cui_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ int error;
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_cui_log_item *cuip;
+ struct xfs_cui_log_format *cui_formatp;
+
+ cui_formatp = item->ri_buf[0].i_addr;
+
+ cuip = xfs_cui_init(mp, cui_formatp->cui_nextents);
+ error = xfs_cui_copy_format(&item->ri_buf[0], &cuip->cui_format);
+ if (error) {
+ xfs_cui_item_free(cuip);
+ return error;
+ }
+ atomic_set(&cuip->cui_next_extent, cui_formatp->cui_nextents);
+ /*
+ * Insert the intent into the AIL directly and drop one reference so
+ * that finishing or canceling the work will drop the other.
+ */
+ xfs_trans_ail_insert(log->l_ailp, &cuip->cui_item, lsn);
+ xfs_cui_release(cuip);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_cui_item_ops = {
+ .item_type = XFS_LI_CUI,
+ .commit_pass2 = xlog_recover_cui_commit_pass2,
+};
+
+/*
+ * This routine is called when an CUD format structure is found in a committed
+ * transaction in the log. Its purpose is to cancel the corresponding CUI if it
+ * was still in the log. To do this it searches the AIL for the CUI with an id
+ * equal to that in the CUD format structure. If we find it we drop the CUD
+ * reference, which removes the CUI from the AIL and frees it.
+ */
+STATIC int
+xlog_recover_cud_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_cud_log_format *cud_formatp;
+
+ cud_formatp = item->ri_buf[0].i_addr;
+ if (item->ri_buf[0].i_len != sizeof(struct xfs_cud_log_format)) {
+ XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
+ return -EFSCORRUPTED;
+ }
+
+ xlog_recover_release_intent(log, XFS_LI_CUI, cud_formatp->cud_cui_id);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_cud_item_ops = {
+ .item_type = XFS_LI_CUD,
+ .commit_pass2 = xlog_recover_cud_commit_pass2,
+};
diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h
index e47530f30489..f4f2e836540b 100644
--- a/fs/xfs/xfs_refcount_item.h
+++ b/fs/xfs/xfs_refcount_item.h
@@ -33,11 +33,6 @@ struct kmem_zone;
#define XFS_CUI_MAX_FAST_EXTENTS 16
/*
- * Define CUI flag bits. Manipulated by set/clear/test_bit operators.
- */
-#define XFS_CUI_RECOVERED 1
-
-/*
* This is the "refcount update intent" log item. It is used to log
* the fact that some reverse mappings need to change. It is used in
* conjunction with the "refcount update done" log item described
@@ -51,7 +46,6 @@ struct xfs_cui_log_item {
struct xfs_log_item cui_item;
atomic_t cui_refcount;
atomic_t cui_next_extent;
- unsigned long cui_flags; /* misc flags */
struct xfs_cui_log_format cui_format;
};
@@ -77,9 +71,4 @@ struct xfs_cud_log_item {
extern struct kmem_zone *xfs_cui_zone;
extern struct kmem_zone *xfs_cud_zone;
-struct xfs_cui_log_item *xfs_cui_init(struct xfs_mount *, uint);
-void xfs_cui_item_free(struct xfs_cui_log_item *);
-void xfs_cui_release(struct xfs_cui_log_item *);
-int xfs_cui_recover(struct xfs_trans *parent_tp, struct xfs_cui_log_item *cuip);
-
#endif /* __XFS_REFCOUNT_ITEM_H__ */
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 4911b68f95dd..a86599db20a6 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -18,16 +18,20 @@
#include "xfs_log.h"
#include "xfs_rmap.h"
#include "xfs_error.h"
+#include "xfs_log_priv.h"
+#include "xfs_log_recover.h"
kmem_zone_t *xfs_rui_zone;
kmem_zone_t *xfs_rud_zone;
+static const struct xfs_item_ops xfs_rui_item_ops;
+
static inline struct xfs_rui_log_item *RUI_ITEM(struct xfs_log_item *lip)
{
return container_of(lip, struct xfs_rui_log_item, rui_item);
}
-void
+STATIC void
xfs_rui_item_free(
struct xfs_rui_log_item *ruip)
{
@@ -44,13 +48,13 @@ xfs_rui_item_free(
* committed vs unpin operations in bulk insert operations. Hence the reference
* count to ensure only the last caller frees the RUI.
*/
-void
+STATIC void
xfs_rui_release(
struct xfs_rui_log_item *ruip)
{
ASSERT(atomic_read(&ruip->rui_refcount) > 0);
if (atomic_dec_and_test(&ruip->rui_refcount)) {
- xfs_trans_ail_remove(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR);
+ xfs_trans_ail_delete(&ruip->rui_item, SHUTDOWN_LOG_IO_ERROR);
xfs_rui_item_free(ruip);
}
}
@@ -122,17 +126,10 @@ xfs_rui_item_release(
xfs_rui_release(RUI_ITEM(lip));
}
-static const struct xfs_item_ops xfs_rui_item_ops = {
- .iop_size = xfs_rui_item_size,
- .iop_format = xfs_rui_item_format,
- .iop_unpin = xfs_rui_item_unpin,
- .iop_release = xfs_rui_item_release,
-};
-
/*
* Allocate and initialize an rui item with the given number of extents.
*/
-struct xfs_rui_log_item *
+STATIC struct xfs_rui_log_item *
xfs_rui_init(
struct xfs_mount *mp,
uint nextents)
@@ -160,7 +157,7 @@ xfs_rui_init(
* RUI format structure. The RUI/RUD items were designed not to need any
* special alignment handling.
*/
-int
+STATIC int
xfs_rui_copy_format(
struct xfs_log_iovec *buf,
struct xfs_rui_log_format *dst_rui_fmt)
@@ -352,41 +349,16 @@ xfs_rmap_update_diff_items(
XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock);
}
-/* Get an RUI. */
-STATIC void *
-xfs_rmap_update_create_intent(
- struct xfs_trans *tp,
- unsigned int count)
-{
- struct xfs_rui_log_item *ruip;
-
- ASSERT(tp != NULL);
- ASSERT(count > 0);
-
- ruip = xfs_rui_init(tp->t_mountp, count);
- ASSERT(ruip != NULL);
-
- /*
- * Get a log_item_desc to point at the new item.
- */
- xfs_trans_add_item(tp, &ruip->rui_item);
- return ruip;
-}
-
/* Log rmap updates in the intent item. */
STATIC void
xfs_rmap_update_log_item(
struct xfs_trans *tp,
- void *intent,
- struct list_head *item)
+ struct xfs_rui_log_item *ruip,
+ struct xfs_rmap_intent *rmap)
{
- struct xfs_rui_log_item *ruip = intent;
- struct xfs_rmap_intent *rmap;
uint next_extent;
struct xfs_map_extent *map;
- rmap = container_of(item, struct xfs_rmap_intent, ri_list);
-
tp->t_flags |= XFS_TRANS_DIRTY;
set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
@@ -406,58 +378,64 @@ xfs_rmap_update_log_item(
rmap->ri_bmap.br_state);
}
+static struct xfs_log_item *
+xfs_rmap_update_create_intent(
+ struct xfs_trans *tp,
+ struct list_head *items,
+ unsigned int count,
+ bool sort)
+{
+ struct xfs_mount *mp = tp->t_mountp;
+ struct xfs_rui_log_item *ruip = xfs_rui_init(mp, count);
+ struct xfs_rmap_intent *rmap;
+
+ ASSERT(count > 0);
+
+ xfs_trans_add_item(tp, &ruip->rui_item);
+ if (sort)
+ list_sort(mp, items, xfs_rmap_update_diff_items);
+ list_for_each_entry(rmap, items, ri_list)
+ xfs_rmap_update_log_item(tp, ruip, rmap);
+ return &ruip->rui_item;
+}
+
/* Get an RUD so we can process all the deferred rmap updates. */
-STATIC void *
+static struct xfs_log_item *
xfs_rmap_update_create_done(
struct xfs_trans *tp,
- void *intent,
+ struct xfs_log_item *intent,
unsigned int count)
{
- return xfs_trans_get_rud(tp, intent);
+ return &xfs_trans_get_rud(tp, RUI_ITEM(intent))->rud_item;
}
/* Process a deferred rmap update. */
STATIC int
xfs_rmap_update_finish_item(
struct xfs_trans *tp,
+ struct xfs_log_item *done,
struct list_head *item,
- void *done_item,
- void **state)
+ struct xfs_btree_cur **state)
{
struct xfs_rmap_intent *rmap;
int error;
rmap = container_of(item, struct xfs_rmap_intent, ri_list);
- error = xfs_trans_log_finish_rmap_update(tp, done_item,
- rmap->ri_type,
- rmap->ri_owner, rmap->ri_whichfork,
- rmap->ri_bmap.br_startoff,
- rmap->ri_bmap.br_startblock,
- rmap->ri_bmap.br_blockcount,
- rmap->ri_bmap.br_state,
- (struct xfs_btree_cur **)state);
+ error = xfs_trans_log_finish_rmap_update(tp, RUD_ITEM(done),
+ rmap->ri_type, rmap->ri_owner, rmap->ri_whichfork,
+ rmap->ri_bmap.br_startoff, rmap->ri_bmap.br_startblock,
+ rmap->ri_bmap.br_blockcount, rmap->ri_bmap.br_state,
+ state);
kmem_free(rmap);
return error;
}
-/* Clean up after processing deferred rmaps. */
-STATIC void
-xfs_rmap_update_finish_cleanup(
- struct xfs_trans *tp,
- void *state,
- int error)
-{
- struct xfs_btree_cur *rcur = state;
-
- xfs_rmap_finish_one_cleanup(tp, rcur, error);
-}
-
/* Abort all pending RUIs. */
STATIC void
xfs_rmap_update_abort_intent(
- void *intent)
+ struct xfs_log_item *intent)
{
- xfs_rui_release(intent);
+ xfs_rui_release(RUI_ITEM(intent));
}
/* Cancel a deferred rmap update. */
@@ -473,13 +451,11 @@ xfs_rmap_update_cancel_item(
const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
.max_items = XFS_RUI_MAX_FAST_EXTENTS,
- .diff_items = xfs_rmap_update_diff_items,
.create_intent = xfs_rmap_update_create_intent,
.abort_intent = xfs_rmap_update_abort_intent,
- .log_item = xfs_rmap_update_log_item,
.create_done = xfs_rmap_update_create_done,
.finish_item = xfs_rmap_update_finish_item,
- .finish_cleanup = xfs_rmap_update_finish_cleanup,
+ .finish_cleanup = xfs_rmap_finish_one_cleanup,
.cancel_item = xfs_rmap_update_cancel_item,
};
@@ -487,24 +463,24 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
* Process an rmap update intent item that was recovered from the log.
* We need to update the rmapbt.
*/
-int
-xfs_rui_recover(
- struct xfs_mount *mp,
- struct xfs_rui_log_item *ruip)
+STATIC int
+xfs_rui_item_recover(
+ struct xfs_log_item *lip,
+ struct xfs_trans *parent_tp)
{
- int i;
- int error = 0;
+ struct xfs_rui_log_item *ruip = RUI_ITEM(lip);
struct xfs_map_extent *rmap;
- xfs_fsblock_t startblock_fsb;
- bool op_ok;
struct xfs_rud_log_item *rudp;
- enum xfs_rmap_intent_type type;
- int whichfork;
- xfs_exntst_t state;
struct xfs_trans *tp;
struct xfs_btree_cur *rcur = NULL;
-
- ASSERT(!test_bit(XFS_RUI_RECOVERED, &ruip->rui_flags));
+ struct xfs_mount *mp = parent_tp->t_mountp;
+ xfs_fsblock_t startblock_fsb;
+ enum xfs_rmap_intent_type type;
+ xfs_exntst_t state;
+ bool op_ok;
+ int i;
+ int whichfork;
+ int error = 0;
/*
* First check the validity of the extents described by the
@@ -539,7 +515,6 @@ xfs_rui_recover(
* This will pull the RUI from the AIL and
* free the memory associated with it.
*/
- set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags);
xfs_rui_release(ruip);
return -EFSCORRUPTED;
}
@@ -597,7 +572,6 @@ xfs_rui_recover(
}
xfs_rmap_finish_one_cleanup(tp, rcur, error);
- set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags);
error = xfs_trans_commit(tp);
return error;
@@ -606,3 +580,90 @@ abort_error:
xfs_trans_cancel(tp);
return error;
}
+
+STATIC bool
+xfs_rui_item_match(
+ struct xfs_log_item *lip,
+ uint64_t intent_id)
+{
+ return RUI_ITEM(lip)->rui_format.rui_id == intent_id;
+}
+
+static const struct xfs_item_ops xfs_rui_item_ops = {
+ .iop_size = xfs_rui_item_size,
+ .iop_format = xfs_rui_item_format,
+ .iop_unpin = xfs_rui_item_unpin,
+ .iop_release = xfs_rui_item_release,
+ .iop_recover = xfs_rui_item_recover,
+ .iop_match = xfs_rui_item_match,
+};
+
+/*
+ * This routine is called to create an in-core extent rmap update
+ * item from the rui format structure which was logged on disk.
+ * It allocates an in-core rui, copies the extents from the format
+ * structure into it, and adds the rui to the AIL with the given
+ * LSN.
+ */
+STATIC int
+xlog_recover_rui_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ int error;
+ struct xfs_mount *mp = log->l_mp;
+ struct xfs_rui_log_item *ruip;
+ struct xfs_rui_log_format *rui_formatp;
+
+ rui_formatp = item->ri_buf[0].i_addr;
+
+ ruip = xfs_rui_init(mp, rui_formatp->rui_nextents);
+ error = xfs_rui_copy_format(&item->ri_buf[0], &ruip->rui_format);
+ if (error) {
+ xfs_rui_item_free(ruip);
+ return error;
+ }
+ atomic_set(&ruip->rui_next_extent, rui_formatp->rui_nextents);
+ /*
+ * Insert the intent into the AIL directly and drop one reference so
+ * that finishing or canceling the work will drop the other.
+ */
+ xfs_trans_ail_insert(log->l_ailp, &ruip->rui_item, lsn);
+ xfs_rui_release(ruip);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_rui_item_ops = {
+ .item_type = XFS_LI_RUI,
+ .commit_pass2 = xlog_recover_rui_commit_pass2,
+};
+
+/*
+ * This routine is called when an RUD format structure is found in a committed
+ * transaction in the log. Its purpose is to cancel the corresponding RUI if it
+ * was still in the log. To do this it searches the AIL for the RUI with an id
+ * equal to that in the RUD format structure. If we find it we drop the RUD
+ * reference, which removes the RUI from the AIL and frees it.
+ */
+STATIC int
+xlog_recover_rud_commit_pass2(
+ struct xlog *log,
+ struct list_head *buffer_list,
+ struct xlog_recover_item *item,
+ xfs_lsn_t lsn)
+{
+ struct xfs_rud_log_format *rud_formatp;
+
+ rud_formatp = item->ri_buf[0].i_addr;
+ ASSERT(item->ri_buf[0].i_len == sizeof(struct xfs_rud_log_format));
+
+ xlog_recover_release_intent(log, XFS_LI_RUI, rud_formatp->rud_rui_id);
+ return 0;
+}
+
+const struct xlog_recover_item_ops xlog_rud_item_ops = {
+ .item_type = XFS_LI_RUD,
+ .commit_pass2 = xlog_recover_rud_commit_pass2,
+};
diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h
index 8708e4a5aa5c..31e6cdfff71f 100644
--- a/fs/xfs/xfs_rmap_item.h
+++ b/fs/xfs/xfs_rmap_item.h
@@ -36,11 +36,6 @@ struct kmem_zone;
#define XFS_RUI_MAX_FAST_EXTENTS 16
/*
- * Define RUI flag bits. Manipulated by set/clear/test_bit operators.
- */
-#define XFS_RUI_RECOVERED 1
-
-/*
* This is the "rmap update intent" log item. It is used to log the fact that
* some reverse mappings need to change. It is used in conjunction with the
* "rmap update done" log item described below.
@@ -52,7 +47,6 @@ struct xfs_rui_log_item {
struct xfs_log_item rui_item;
atomic_t rui_refcount;
atomic_t rui_next_extent;
- unsigned long rui_flags; /* misc flags */
struct xfs_rui_log_format rui_format;
};
@@ -77,11 +71,4 @@ struct xfs_rud_log_item {
extern struct kmem_zone *xfs_rui_zone;
extern struct kmem_zone *xfs_rud_zone;
-struct xfs_rui_log_item *xfs_rui_init(struct xfs_mount *, uint);
-int xfs_rui_copy_format(struct xfs_log_iovec *buf,
- struct xfs_rui_log_format *dst_rui_fmt);
-void xfs_rui_item_free(struct xfs_rui_log_item *);
-void xfs_rui_release(struct xfs_rui_log_item *);
-int xfs_rui_recover(struct xfs_mount *mp, struct xfs_rui_log_item *ruip);
-
#endif /* __XFS_RMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 424bb9a2d532..379cbff438bc 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -47,6 +47,39 @@ static struct kset *xfs_kset; /* top-level xfs sysfs dir */
static struct xfs_kobj xfs_dbg_kobj; /* global debug sysfs attrs */
#endif
+enum xfs_dax_mode {
+ XFS_DAX_INODE = 0,
+ XFS_DAX_ALWAYS = 1,
+ XFS_DAX_NEVER = 2,
+};
+
+static void
+xfs_mount_set_dax_mode(
+ struct xfs_mount *mp,
+ enum xfs_dax_mode mode)
+{
+ switch (mode) {
+ case XFS_DAX_INODE:
+ mp->m_flags &= ~(XFS_MOUNT_DAX_ALWAYS | XFS_MOUNT_DAX_NEVER);
+ break;
+ case XFS_DAX_ALWAYS:
+ mp->m_flags |= XFS_MOUNT_DAX_ALWAYS;
+ mp->m_flags &= ~XFS_MOUNT_DAX_NEVER;
+ break;
+ case XFS_DAX_NEVER:
+ mp->m_flags |= XFS_MOUNT_DAX_NEVER;
+ mp->m_flags &= ~XFS_MOUNT_DAX_ALWAYS;
+ break;
+ }
+}
+
+static const struct constant_table dax_param_enums[] = {
+ {"inode", XFS_DAX_INODE },
+ {"always", XFS_DAX_ALWAYS },
+ {"never", XFS_DAX_NEVER },
+ {}
+};
+
/*
* Table driven mount option parser.
*/
@@ -59,7 +92,7 @@ enum {
Opt_filestreams, Opt_quota, Opt_noquota, Opt_usrquota, Opt_grpquota,
Opt_prjquota, Opt_uquota, Opt_gquota, Opt_pquota,
Opt_uqnoenforce, Opt_gqnoenforce, Opt_pqnoenforce, Opt_qnoenforce,
- Opt_discard, Opt_nodiscard, Opt_dax,
+ Opt_discard, Opt_nodiscard, Opt_dax, Opt_dax_enum,
};
static const struct fs_parameter_spec xfs_fs_parameters[] = {
@@ -103,6 +136,7 @@ static const struct fs_parameter_spec xfs_fs_parameters[] = {
fsparam_flag("discard", Opt_discard),
fsparam_flag("nodiscard", Opt_nodiscard),
fsparam_flag("dax", Opt_dax),
+ fsparam_enum("dax", Opt_dax_enum, dax_param_enums),
{}
};
@@ -129,7 +163,8 @@ xfs_fs_show_options(
{ XFS_MOUNT_GRPID, ",grpid" },
{ XFS_MOUNT_DISCARD, ",discard" },
{ XFS_MOUNT_LARGEIO, ",largeio" },
- { XFS_MOUNT_DAX, ",dax" },
+ { XFS_MOUNT_DAX_ALWAYS, ",dax=always" },
+ { XFS_MOUNT_DAX_NEVER, ",dax=never" },
{ 0, NULL }
};
struct xfs_mount *mp = XFS_M(root->d_sb);
@@ -305,7 +340,7 @@ void
xfs_blkdev_issue_flush(
xfs_buftarg_t *buftarg)
{
- blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS, NULL);
+ blkdev_issue_flush(buftarg->bt_bdev, GFP_NOFS);
}
STATIC void
@@ -702,7 +737,7 @@ xfs_fs_drop_inode(
return 0;
}
- return generic_drop_inode(inode) || (ip->i_flags & XFS_IDONTCACHE);
+ return generic_drop_inode(inode);
}
static void
@@ -772,7 +807,8 @@ xfs_fs_statfs(
statp->f_blocks = sbp->sb_dblocks - lsize;
spin_unlock(&mp->m_sb_lock);
- statp->f_bfree = fdblocks - mp->m_alloc_set_aside;
+ /* make sure statp->f_bfree does not underflow */
+ statp->f_bfree = max_t(int64_t, fdblocks - mp->m_alloc_set_aside, 0);
statp->f_bavail = statp->f_bfree;
fakeinos = XFS_FSB_TO_INO(mp, statp->f_bfree);
@@ -838,8 +874,10 @@ xfs_restore_resvblks(struct xfs_mount *mp)
* there is no log replay required to write the inodes to disk - this is the
* primary difference between a sync and a quiesce.
*
- * Note: xfs_log_quiesce() stops background log work - the callers must ensure
- * it is started again when appropriate.
+ * We cancel log work early here to ensure all transactions the log worker may
+ * run have finished before we clean up and log the superblock and write an
+ * unmount record. The unfreeze process is responsible for restarting the log
+ * worker correctly.
*/
void
xfs_quiesce_attr(
@@ -847,9 +885,7 @@ xfs_quiesce_attr(
{
int error = 0;
- /* wait for all modifications to complete */
- while (atomic_read(&mp->m_active_trans) > 0)
- delay(100);
+ cancel_delayed_work_sync(&mp->m_log->l_work);
/* force the log to unpin objects from the now complete transactions */
xfs_log_force(mp, XFS_LOG_SYNC);
@@ -863,12 +899,6 @@ xfs_quiesce_attr(
if (error)
xfs_warn(mp, "xfs_attr_quiesce: failed to log sb changes. "
"Frozen image may not be consistent.");
- /*
- * Just warn here till VFS can correctly support
- * read-only remount without racing.
- */
- WARN_ON(atomic_read(&mp->m_active_trans) != 0);
-
xfs_log_quiesce(mp);
}
@@ -1261,7 +1291,10 @@ xfs_fc_parse_param(
return 0;
#ifdef CONFIG_FS_DAX
case Opt_dax:
- mp->m_flags |= XFS_MOUNT_DAX;
+ xfs_mount_set_dax_mode(mp, XFS_DAX_ALWAYS);
+ return 0;
+ case Opt_dax_enum:
+ xfs_mount_set_dax_mode(mp, result.uint_32);
return 0;
#endif
default:
@@ -1454,7 +1487,7 @@ xfs_fc_fill_super(
if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5)
sb->s_flags |= SB_I_VERSION;
- if (mp->m_flags & XFS_MOUNT_DAX) {
+ if (mp->m_flags & XFS_MOUNT_DAX_ALWAYS) {
bool rtdev_is_dax = false, datadev_is_dax;
xfs_warn(mp,
@@ -1468,7 +1501,7 @@ xfs_fc_fill_super(
if (!rtdev_is_dax && !datadev_is_dax) {
xfs_alert(mp,
"DAX unsupported by block device. Turning off DAX.");
- mp->m_flags &= ~XFS_MOUNT_DAX;
+ xfs_mount_set_dax_mode(mp, XFS_DAX_NEVER);
}
if (xfs_sb_version_hasreflink(&mp->m_sb)) {
xfs_alert(mp,
@@ -1754,7 +1787,6 @@ static int xfs_init_fs_context(
INIT_RADIX_TREE(&mp->m_perag_tree, GFP_ATOMIC);
spin_lock_init(&mp->m_perag_lock);
mutex_init(&mp->m_growlock);
- atomic_set(&mp->m_active_trans, 0);
INIT_WORK(&mp->m_flush_inodes_work, xfs_flush_inodes_worker);
INIT_DELAYED_WORK(&mp->m_reclaim_work, xfs_reclaim_worker);
INIT_DELAYED_WORK(&mp->m_eofblocks_work, xfs_eofblocks_worker);
diff --git a/fs/xfs/xfs_symlink.c b/fs/xfs/xfs_symlink.c
index 13fb4b919648..8e88a7ca387e 100644
--- a/fs/xfs/xfs_symlink.c
+++ b/fs/xfs/xfs_symlink.c
@@ -243,8 +243,7 @@ xfs_symlink(
*/
xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp);
- if (resblks)
- resblks -= XFS_IALLOC_SPACE_RES(mp);
+ resblks -= XFS_IALLOC_SPACE_RES(mp);
/*
* If the symlink will fit into the inode, write it inline.
*/
@@ -252,7 +251,7 @@ xfs_symlink(
xfs_init_local_fork(ip, XFS_DATA_FORK, target_path, pathlen);
ip->i_d.di_size = pathlen;
- ip->i_d.di_format = XFS_DINODE_FMT_LOCAL;
+ ip->i_df.if_format = XFS_DINODE_FMT_LOCAL;
xfs_trans_log_inode(tp, ip, XFS_ILOG_DDATA | XFS_ILOG_CORE);
} else {
int offset;
@@ -265,8 +264,7 @@ xfs_symlink(
if (error)
goto out_trans_cancel;
- if (resblks)
- resblks -= fs_blocks;
+ resblks -= fs_blocks;
ip->i_d.di_size = pathlen;
xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
@@ -386,7 +384,7 @@ xfs_inactive_symlink_rmt(
* either 1 or 2 extents and that we can
* free them all in one bunmapi call.
*/
- ASSERT(ip->i_d.di_nextents > 0 && ip->i_d.di_nextents <= 2);
+ ASSERT(ip->i_df.if_nextents > 0 && ip->i_df.if_nextents <= 2);
error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp);
if (error)
diff --git a/fs/xfs/xfs_sysctl.c b/fs/xfs/xfs_sysctl.c
index 31b3bdbd2eba..021ef96d0542 100644
--- a/fs/xfs/xfs_sysctl.c
+++ b/fs/xfs/xfs_sysctl.c
@@ -13,7 +13,7 @@ STATIC int
xfs_stats_clear_proc_handler(
struct ctl_table *ctl,
int write,
- void __user *buffer,
+ void *buffer,
size_t *lenp,
loff_t *ppos)
{
@@ -33,7 +33,7 @@ STATIC int
xfs_panic_mask_proc_handler(
struct ctl_table *ctl,
int write,
- void __user *buffer,
+ void *buffer,
size_t *lenp,
loff_t *ppos)
{
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index a4323a63438d..460136628a79 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -1897,8 +1897,8 @@ DECLARE_EVENT_CLASS(xfs_swap_extent_class,
__entry->dev = VFS_I(ip)->i_sb->s_dev;
__entry->which = which;
__entry->ino = ip->i_ino;
- __entry->format = ip->i_d.di_format;
- __entry->nex = ip->i_d.di_nextents;
+ __entry->format = ip->i_df.if_format;
+ __entry->nex = ip->i_df.if_nextents;
__entry->broot_size = ip->i_df.if_broot_bytes;
__entry->fork_off = XFS_IFORK_BOFF(ip);
),
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 28b983ff8b11..3c94e5ff4316 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -68,7 +68,6 @@ xfs_trans_free(
xfs_extent_busy_clear(tp->t_mountp, &tp->t_busy, false);
trace_xfs_trans_free(tp, _RET_IP_);
- atomic_dec(&tp->t_mountp->m_active_trans);
if (!(tp->t_flags & XFS_TRANS_NO_WRITECOUNT))
sb_end_intwrite(tp->t_mountp->m_super);
xfs_trans_free_dqinfo(tp);
@@ -125,8 +124,6 @@ xfs_trans_dup(
xfs_defer_move(ntp, tp);
xfs_trans_dup_dqinfo(tp, ntp);
-
- atomic_inc(&tp->t_mountp->m_active_trans);
return ntp;
}
@@ -275,7 +272,6 @@ xfs_trans_alloc(
*/
WARN_ON(resp->tr_logres > 0 &&
mp->m_super->s_writers.frozen == SB_FREEZE_COMPLETE);
- atomic_inc(&mp->m_active_trans);
tp->t_magic = XFS_TRANS_HEADER_MAGIC;
tp->t_flags = flags;
@@ -299,20 +295,19 @@ xfs_trans_alloc(
/*
* Create an empty transaction with no reservation. This is a defensive
- * mechanism for routines that query metadata without actually modifying
- * them -- if the metadata being queried is somehow cross-linked (think a
- * btree block pointer that points higher in the tree), we risk deadlock.
- * However, blocks grabbed as part of a transaction can be re-grabbed.
- * The verifiers will notice the corrupt block and the operation will fail
- * back to userspace without deadlocking.
+ * mechanism for routines that query metadata without actually modifying them --
+ * if the metadata being queried is somehow cross-linked (think a btree block
+ * pointer that points higher in the tree), we risk deadlock. However, blocks
+ * grabbed as part of a transaction can be re-grabbed. The verifiers will
+ * notice the corrupt block and the operation will fail back to userspace
+ * without deadlocking.
*
- * Note the zero-length reservation; this transaction MUST be cancelled
- * without any dirty data.
+ * Note the zero-length reservation; this transaction MUST be cancelled without
+ * any dirty data.
*
- * Callers should obtain freeze protection to avoid two conflicts with fs
- * freezing: (1) having active transactions trip the m_active_trans ASSERTs;
- * and (2) grabbing buffers at the same time that freeze is trying to drain
- * the buffer LRU list.
+ * Callers should obtain freeze protection to avoid a conflict with fs freezing
+ * where we can be grabbing buffers at the same time that freeze is trying to
+ * drain the buffer LRU list.
*/
int
xfs_trans_alloc_empty(
@@ -534,57 +529,9 @@ xfs_trans_apply_sb_deltas(
sizeof(sbp->sb_frextents) - 1);
}
-STATIC int
-xfs_sb_mod8(
- uint8_t *field,
- int8_t delta)
-{
- int8_t counter = *field;
-
- counter += delta;
- if (counter < 0) {
- ASSERT(0);
- return -EINVAL;
- }
- *field = counter;
- return 0;
-}
-
-STATIC int
-xfs_sb_mod32(
- uint32_t *field,
- int32_t delta)
-{
- int32_t counter = *field;
-
- counter += delta;
- if (counter < 0) {
- ASSERT(0);
- return -EINVAL;
- }
- *field = counter;
- return 0;
-}
-
-STATIC int
-xfs_sb_mod64(
- uint64_t *field,
- int64_t delta)
-{
- int64_t counter = *field;
-
- counter += delta;
- if (counter < 0) {
- ASSERT(0);
- return -EINVAL;
- }
- *field = counter;
- return 0;
-}
-
/*
- * xfs_trans_unreserve_and_mod_sb() is called to release unused reservations
- * and apply superblock counter changes to the in-core superblock. The
+ * xfs_trans_unreserve_and_mod_sb() is called to release unused reservations and
+ * apply superblock counter changes to the in-core superblock. The
* t_res_fdblocks_delta and t_res_frextents_delta fields are explicitly NOT
* applied to the in-core superblock. The idea is that that has already been
* done.
@@ -593,7 +540,12 @@ xfs_sb_mod64(
* used block counts are not updated in the on disk superblock. In this case,
* XFS_TRANS_SB_DIRTY will not be set when the transaction is updated but we
* still need to update the incore superblock with the changes.
+ *
+ * Deltas for the inode count are +/-64, hence we use a large batch size of 128
+ * so we don't need to take the counter lock on every update.
*/
+#define XFS_ICOUNT_BATCH 128
+
void
xfs_trans_unreserve_and_mod_sb(
struct xfs_trans *tp)
@@ -629,20 +581,21 @@ xfs_trans_unreserve_and_mod_sb(
/* apply the per-cpu counters */
if (blkdelta) {
error = xfs_mod_fdblocks(mp, blkdelta, rsvd);
- if (error)
- goto out;
+ ASSERT(!error);
}
if (idelta) {
- error = xfs_mod_icount(mp, idelta);
- if (error)
- goto out_undo_fdblocks;
+ percpu_counter_add_batch(&mp->m_icount, idelta,
+ XFS_ICOUNT_BATCH);
+ if (idelta < 0)
+ ASSERT(__percpu_counter_compare(&mp->m_icount, 0,
+ XFS_ICOUNT_BATCH) >= 0);
}
if (ifreedelta) {
- error = xfs_mod_ifree(mp, ifreedelta);
- if (error)
- goto out_undo_icount;
+ percpu_counter_add(&mp->m_ifree, ifreedelta);
+ if (ifreedelta < 0)
+ ASSERT(percpu_counter_compare(&mp->m_ifree, 0) >= 0);
}
if (rtxdelta == 0 && !(tp->t_flags & XFS_TRANS_SB_DIRTY))
@@ -650,95 +603,23 @@ xfs_trans_unreserve_and_mod_sb(
/* apply remaining deltas */
spin_lock(&mp->m_sb_lock);
- if (rtxdelta) {
- error = xfs_sb_mod64(&mp->m_sb.sb_frextents, rtxdelta);
- if (error)
- goto out_undo_ifree;
- }
-
- if (tp->t_dblocks_delta != 0) {
- error = xfs_sb_mod64(&mp->m_sb.sb_dblocks, tp->t_dblocks_delta);
- if (error)
- goto out_undo_frextents;
- }
- if (tp->t_agcount_delta != 0) {
- error = xfs_sb_mod32(&mp->m_sb.sb_agcount, tp->t_agcount_delta);
- if (error)
- goto out_undo_dblocks;
- }
- if (tp->t_imaxpct_delta != 0) {
- error = xfs_sb_mod8(&mp->m_sb.sb_imax_pct, tp->t_imaxpct_delta);
- if (error)
- goto out_undo_agcount;
- }
- if (tp->t_rextsize_delta != 0) {
- error = xfs_sb_mod32(&mp->m_sb.sb_rextsize,
- tp->t_rextsize_delta);
- if (error)
- goto out_undo_imaxpct;
- }
- if (tp->t_rbmblocks_delta != 0) {
- error = xfs_sb_mod32(&mp->m_sb.sb_rbmblocks,
- tp->t_rbmblocks_delta);
- if (error)
- goto out_undo_rextsize;
- }
- if (tp->t_rblocks_delta != 0) {
- error = xfs_sb_mod64(&mp->m_sb.sb_rblocks, tp->t_rblocks_delta);
- if (error)
- goto out_undo_rbmblocks;
- }
- if (tp->t_rextents_delta != 0) {
- error = xfs_sb_mod64(&mp->m_sb.sb_rextents,
- tp->t_rextents_delta);
- if (error)
- goto out_undo_rblocks;
- }
- if (tp->t_rextslog_delta != 0) {
- error = xfs_sb_mod8(&mp->m_sb.sb_rextslog,
- tp->t_rextslog_delta);
- if (error)
- goto out_undo_rextents;
- }
+ mp->m_sb.sb_frextents += rtxdelta;
+ mp->m_sb.sb_dblocks += tp->t_dblocks_delta;
+ mp->m_sb.sb_agcount += tp->t_agcount_delta;
+ mp->m_sb.sb_imax_pct += tp->t_imaxpct_delta;
+ mp->m_sb.sb_rextsize += tp->t_rextsize_delta;
+ mp->m_sb.sb_rbmblocks += tp->t_rbmblocks_delta;
+ mp->m_sb.sb_rblocks += tp->t_rblocks_delta;
+ mp->m_sb.sb_rextents += tp->t_rextents_delta;
+ mp->m_sb.sb_rextslog += tp->t_rextslog_delta;
spin_unlock(&mp->m_sb_lock);
- return;
-out_undo_rextents:
- if (tp->t_rextents_delta)
- xfs_sb_mod64(&mp->m_sb.sb_rextents, -tp->t_rextents_delta);
-out_undo_rblocks:
- if (tp->t_rblocks_delta)
- xfs_sb_mod64(&mp->m_sb.sb_rblocks, -tp->t_rblocks_delta);
-out_undo_rbmblocks:
- if (tp->t_rbmblocks_delta)
- xfs_sb_mod32(&mp->m_sb.sb_rbmblocks, -tp->t_rbmblocks_delta);
-out_undo_rextsize:
- if (tp->t_rextsize_delta)
- xfs_sb_mod32(&mp->m_sb.sb_rextsize, -tp->t_rextsize_delta);
-out_undo_imaxpct:
- if (tp->t_rextsize_delta)
- xfs_sb_mod8(&mp->m_sb.sb_imax_pct, -tp->t_imaxpct_delta);
-out_undo_agcount:
- if (tp->t_agcount_delta)
- xfs_sb_mod32(&mp->m_sb.sb_agcount, -tp->t_agcount_delta);
-out_undo_dblocks:
- if (tp->t_dblocks_delta)
- xfs_sb_mod64(&mp->m_sb.sb_dblocks, -tp->t_dblocks_delta);
-out_undo_frextents:
- if (rtxdelta)
- xfs_sb_mod64(&mp->m_sb.sb_frextents, -rtxdelta);
-out_undo_ifree:
- spin_unlock(&mp->m_sb_lock);
- if (ifreedelta)
- xfs_mod_ifree(mp, -ifreedelta);
-out_undo_icount:
- if (idelta)
- xfs_mod_icount(mp, -idelta);
-out_undo_fdblocks:
- if (blkdelta)
- xfs_mod_fdblocks(mp, -blkdelta, rsvd);
-out:
- ASSERT(error == 0);
+ /*
+ * Debug checks outside of the spinlock so they don't lock up the
+ * machine if they fail.
+ */
+ ASSERT(mp->m_sb.sb_imax_pct >= 0);
+ ASSERT(mp->m_sb.sb_rextslog >= 0);
return;
}
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 752c7fef9de7..8308bf6d7e40 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -59,12 +59,14 @@ struct xfs_log_item {
#define XFS_LI_ABORTED 1
#define XFS_LI_FAILED 2
#define XFS_LI_DIRTY 3 /* log item dirty in transaction */
+#define XFS_LI_RECOVERED 4 /* log intent item has been recovered */
#define XFS_LI_FLAGS \
{ (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
{ (1 << XFS_LI_ABORTED), "ABORTED" }, \
{ (1 << XFS_LI_FAILED), "FAILED" }, \
- { (1 << XFS_LI_DIRTY), "DIRTY" }
+ { (1 << XFS_LI_DIRTY), "DIRTY" }, \
+ { (1 << XFS_LI_RECOVERED), "RECOVERED" }
struct xfs_item_ops {
unsigned flags;
@@ -77,6 +79,8 @@ struct xfs_item_ops {
void (*iop_release)(struct xfs_log_item *);
xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
void (*iop_error)(struct xfs_log_item *, xfs_buf_t *);
+ int (*iop_recover)(struct xfs_log_item *lip, struct xfs_trans *tp);
+ bool (*iop_match)(struct xfs_log_item *item, uint64_t id);
};
/*
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 564253550b75..ac5019361a13 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -345,6 +345,45 @@ xfs_ail_delete(
xfs_trans_ail_cursor_clear(ailp, lip);
}
+/*
+ * Requeue a failed buffer for writeback.
+ *
+ * We clear the log item failed state here as well, but we have to be careful
+ * about reference counts because the only active reference counts on the buffer
+ * may be the failed log items. Hence if we clear the log item failed state
+ * before queuing the buffer for IO we can release all active references to
+ * the buffer and free it, leading to use after free problems in
+ * xfs_buf_delwri_queue. It makes no difference to the buffer or log items which
+ * order we process them in - the buffer is locked, and we own the buffer list
+ * so nothing on them is going to change while we are performing this action.
+ *
+ * Hence we can safely queue the buffer for IO before we clear the failed log
+ * item state, therefore always having an active reference to the buffer and
+ * avoiding the transient zero-reference state that leads to use-after-free.
+ */
+static inline int
+xfsaild_resubmit_item(
+ struct xfs_log_item *lip,
+ struct list_head *buffer_list)
+{
+ struct xfs_buf *bp = lip->li_buf;
+
+ if (!xfs_buf_trylock(bp))
+ return XFS_ITEM_LOCKED;
+
+ if (!xfs_buf_delwri_queue(bp, buffer_list)) {
+ xfs_buf_unlock(bp);
+ return XFS_ITEM_FLUSHING;
+ }
+
+ /* protected by ail_lock */
+ list_for_each_entry(lip, &bp->b_li_list, li_bio_list)
+ xfs_clear_li_failed(lip);
+
+ xfs_buf_unlock(bp);
+ return XFS_ITEM_SUCCESS;
+}
+
static inline uint
xfsaild_push_item(
struct xfs_ail *ailp,
@@ -365,6 +404,8 @@ xfsaild_push_item(
*/
if (!lip->li_ops->iop_push)
return XFS_ITEM_PINNED;
+ if (test_bit(XFS_LI_FAILED, &lip->li_flags))
+ return xfsaild_resubmit_item(lip, &ailp->ail_buf_list);
return lip->li_ops->iop_push(lip, &ailp->ail_buf_list);
}
@@ -774,6 +815,17 @@ xfs_trans_ail_update_bulk(
xfs_ail_update_finish(ailp, tail_lsn);
}
+/* Insert a log item into the AIL. */
+void
+xfs_trans_ail_insert(
+ struct xfs_ail *ailp,
+ struct xfs_log_item *lip,
+ xfs_lsn_t lsn)
+{
+ spin_lock(&ailp->ail_lock);
+ xfs_trans_ail_update_bulk(ailp, NULL, &lip, 1, lsn);
+}
+
/*
* Delete one log item from the AIL.
*
@@ -800,39 +852,19 @@ xfs_ail_delete_one(
return 0;
}
-/**
- * Remove a log items from the AIL
- *
- * @xfs_trans_ail_delete_bulk takes an array of log items that all need to
- * removed from the AIL. The caller is already holding the AIL lock, and done
- * all the checks necessary to ensure the items passed in via @log_items are
- * ready for deletion. This includes checking that the items are in the AIL.
- *
- * For each log item to be removed, unlink it from the AIL, clear the IN_AIL
- * flag from the item and reset the item's lsn to 0. If we remove the first
- * item in the AIL, update the log tail to match the new minimum LSN in the
- * AIL.
- *
- * This function will not drop the AIL lock until all items are removed from
- * the AIL to minimise the amount of lock traffic on the AIL. This does not
- * greatly increase the AIL hold time, but does significantly reduce the amount
- * of traffic on the lock, especially during IO completion.
- *
- * This function must be called with the AIL lock held. The lock is dropped
- * before returning.
- */
void
xfs_trans_ail_delete(
- struct xfs_ail *ailp,
struct xfs_log_item *lip,
int shutdown_type)
{
+ struct xfs_ail *ailp = lip->li_ailp;
struct xfs_mount *mp = ailp->ail_mount;
xfs_lsn_t tail_lsn;
+ spin_lock(&ailp->ail_lock);
if (!test_bit(XFS_LI_IN_AIL, &lip->li_flags)) {
spin_unlock(&ailp->ail_lock);
- if (!XFS_FORCED_SHUTDOWN(mp)) {
+ if (shutdown_type && !XFS_FORCED_SHUTDOWN(mp)) {
xfs_alert_tag(mp, XFS_PTAG_AILDELETE,
"%s: attempting to delete a log item that is not in the AIL",
__func__);
@@ -841,6 +873,7 @@ xfs_trans_ail_delete(
return;
}
+ /* xfs_ail_update_finish() drops the AIL lock */
tail_lsn = xfs_ail_delete_one(ailp, lip);
xfs_ail_update_finish(ailp, tail_lsn);
}
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index d1b9869bc5fa..c0f73b82c055 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -388,7 +388,7 @@ xfs_trans_apply_dquot_deltas(
*/
if (d->d_id) {
xfs_qm_adjust_dqlimits(tp->t_mountp, dqp);
- xfs_qm_adjust_dqtimers(tp->t_mountp, d);
+ xfs_qm_adjust_dqtimers(tp->t_mountp, dqp);
}
dqp->dq_flags |= XFS_DQ_DIRTY;
@@ -591,7 +591,7 @@ xfs_trans_dqresv(
xfs_dqlock(dqp);
- defq = xfs_get_defquota(dqp, q);
+ defq = xfs_get_defquota(q, xfs_dquot_type(dqp));
if (flags & XFS_TRANS_DQ_RES_BLKS) {
hardlimit = be64_to_cpu(dqp->q_core.d_blk_hardlimit);
@@ -602,7 +602,7 @@ xfs_trans_dqresv(
softlimit = defq->bsoftlimit;
timer = be32_to_cpu(dqp->q_core.d_btimer);
warns = be16_to_cpu(dqp->q_core.d_bwarns);
- warnlimit = dqp->q_mount->m_quotainfo->qi_bwarnlimit;
+ warnlimit = defq->bwarnlimit;
resbcountp = &dqp->q_res_bcount;
} else {
ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS);
@@ -614,7 +614,7 @@ xfs_trans_dqresv(
softlimit = defq->rtbsoftlimit;
timer = be32_to_cpu(dqp->q_core.d_rtbtimer);
warns = be16_to_cpu(dqp->q_core.d_rtbwarns);
- warnlimit = dqp->q_mount->m_quotainfo->qi_rtbwarnlimit;
+ warnlimit = defq->rtbwarnlimit;
resbcountp = &dqp->q_res_rtbcount;
}
@@ -650,7 +650,7 @@ xfs_trans_dqresv(
total_count = be64_to_cpu(dqp->q_core.d_icount) + ninos;
timer = be32_to_cpu(dqp->q_core.d_itimer);
warns = be16_to_cpu(dqp->q_core.d_iwarns);
- warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit;
+ warnlimit = defq->iwarnlimit;
hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit);
if (!hardlimit)
hardlimit = defq->ihardlimit;
@@ -711,7 +711,7 @@ xfs_trans_dqresv(
error_return:
xfs_dqunlock(dqp);
- if (flags & XFS_QMOPT_ENOSPC)
+ if (XFS_QM_ISPDQ(dqp))
return -ENOSPC;
return -EDQUOT;
}
@@ -751,8 +751,7 @@ xfs_trans_reserve_quota_bydquots(
ASSERT(flags & XFS_QMOPT_RESBLK_MASK);
if (udqp) {
- error = xfs_trans_dqresv(tp, mp, udqp, nblks, ninos,
- (flags & ~XFS_QMOPT_ENOSPC));
+ error = xfs_trans_dqresv(tp, mp, udqp, nblks, ninos, flags);
if (error)
return error;
}
@@ -803,16 +802,12 @@ xfs_trans_reserve_quota_nblks(
if (!XFS_IS_QUOTA_RUNNING(mp) || !XFS_IS_QUOTA_ON(mp))
return 0;
- if (XFS_IS_PQUOTA_ON(mp))
- flags |= XFS_QMOPT_ENOSPC;
ASSERT(!xfs_is_quota_inode(&mp->m_sb, ip->i_ino));
ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
- ASSERT((flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) ==
- XFS_TRANS_DQ_RES_RTBLKS ||
- (flags & ~(XFS_QMOPT_FORCE_RES | XFS_QMOPT_ENOSPC)) ==
- XFS_TRANS_DQ_RES_BLKS);
+ ASSERT((flags & ~(XFS_QMOPT_FORCE_RES)) == XFS_TRANS_DQ_RES_RTBLKS ||
+ (flags & ~(XFS_QMOPT_FORCE_RES)) == XFS_TRANS_DQ_RES_BLKS);
/*
* Reserve nblks against these dquots, with trans as the mediator.
diff --git a/fs/xfs/xfs_trans_priv.h b/fs/xfs/xfs_trans_priv.h
index 35655eac01a6..3004aeac9110 100644
--- a/fs/xfs/xfs_trans_priv.h
+++ b/fs/xfs/xfs_trans_priv.h
@@ -91,26 +91,13 @@ xfs_trans_ail_update(
xfs_trans_ail_update_bulk(ailp, NULL, &lip, 1, lsn);
}
+void xfs_trans_ail_insert(struct xfs_ail *ailp, struct xfs_log_item *lip,
+ xfs_lsn_t lsn);
+
xfs_lsn_t xfs_ail_delete_one(struct xfs_ail *ailp, struct xfs_log_item *lip);
void xfs_ail_update_finish(struct xfs_ail *ailp, xfs_lsn_t old_lsn)
__releases(ailp->ail_lock);
-void xfs_trans_ail_delete(struct xfs_ail *ailp, struct xfs_log_item *lip,
- int shutdown_type);
-
-static inline void
-xfs_trans_ail_remove(
- struct xfs_log_item *lip,
- int shutdown_type)
-{
- struct xfs_ail *ailp = lip->li_ailp;
-
- spin_lock(&ailp->ail_lock);
- /* xfs_trans_ail_delete() drops the AIL lock */
- if (test_bit(XFS_LI_IN_AIL, &lip->li_flags))
- xfs_trans_ail_delete(ailp, lip, shutdown_type);
- else
- spin_unlock(&ailp->ail_lock);
-}
+void xfs_trans_ail_delete(struct xfs_log_item *lip, int shutdown_type);
void xfs_ail_push(struct xfs_ail *, xfs_lsn_t);
void xfs_ail_push_all(struct xfs_ail *);
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index fc5d7276026e..bca48b308c02 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -12,7 +12,6 @@
#include "xfs_inode.h"
#include "xfs_attr.h"
#include "xfs_acl.h"
-#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include <linux/posix_acl_xattr.h>
diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c
index 3ce9829a6936..d79b821ed1c7 100644
--- a/fs/zonefs/super.c
+++ b/fs/zonefs/super.c
@@ -20,6 +20,7 @@
#include <linux/mman.h>
#include <linux/sched/mm.h>
#include <linux/crc32.h>
+#include <linux/task_io_accounting_ops.h>
#include "zonefs.h"
@@ -78,10 +79,9 @@ static int zonefs_readpage(struct file *unused, struct page *page)
return iomap_readpage(page, &zonefs_iomap_ops);
}
-static int zonefs_readpages(struct file *unused, struct address_space *mapping,
- struct list_head *pages, unsigned int nr_pages)
+static void zonefs_readahead(struct readahead_control *rac)
{
- return iomap_readpages(mapping, pages, nr_pages, &zonefs_iomap_ops);
+ iomap_readahead(rac, &zonefs_iomap_ops);
}
/*
@@ -128,7 +128,7 @@ static int zonefs_writepages(struct address_space *mapping,
static const struct address_space_operations zonefs_file_aops = {
.readpage = zonefs_readpage,
- .readpages = zonefs_readpages,
+ .readahead = zonefs_readahead,
.writepage = zonefs_writepage,
.writepages = zonefs_writepages,
.set_page_dirty = iomap_set_page_dirty,
@@ -478,7 +478,7 @@ static int zonefs_file_fsync(struct file *file, loff_t start, loff_t end,
if (ZONEFS_I(inode)->i_ztype == ZONEFS_ZTYPE_CNV)
ret = file_write_and_wait_range(file, start, end);
if (!ret)
- ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL);
if (ret)
zonefs_io_error(inode, true);
@@ -596,6 +596,61 @@ static const struct iomap_dio_ops zonefs_write_dio_ops = {
.end_io = zonefs_file_write_dio_end_io,
};
+static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)
+{
+ struct inode *inode = file_inode(iocb->ki_filp);
+ struct zonefs_inode_info *zi = ZONEFS_I(inode);
+ struct block_device *bdev = inode->i_sb->s_bdev;
+ unsigned int max;
+ struct bio *bio;
+ ssize_t size;
+ int nr_pages;
+ ssize_t ret;
+
+ nr_pages = iov_iter_npages(from, BIO_MAX_PAGES);
+ if (!nr_pages)
+ return 0;
+
+ max = queue_max_zone_append_sectors(bdev_get_queue(bdev));
+ max = ALIGN_DOWN(max << SECTOR_SHIFT, inode->i_sb->s_blocksize);
+ iov_iter_truncate(from, max);
+
+ bio = bio_alloc_bioset(GFP_NOFS, nr_pages, &fs_bio_set);
+ if (!bio)
+ return -ENOMEM;
+
+ bio_set_dev(bio, bdev);
+ bio->bi_iter.bi_sector = zi->i_zsector;
+ bio->bi_write_hint = iocb->ki_hint;
+ bio->bi_ioprio = iocb->ki_ioprio;
+ bio->bi_opf = REQ_OP_ZONE_APPEND | REQ_SYNC | REQ_IDLE;
+ if (iocb->ki_flags & IOCB_DSYNC)
+ bio->bi_opf |= REQ_FUA;
+
+ ret = bio_iov_iter_get_pages(bio, from);
+ if (unlikely(ret)) {
+ bio_io_error(bio);
+ return ret;
+ }
+ size = bio->bi_iter.bi_size;
+ task_io_account_write(ret);
+
+ if (iocb->ki_flags & IOCB_HIPRI)
+ bio_set_polled(bio, iocb);
+
+ ret = submit_bio_wait(bio);
+
+ bio_put(bio);
+
+ zonefs_file_write_dio_end_io(iocb, size, ret, 0);
+ if (ret >= 0) {
+ iocb->ki_pos += size;
+ return size;
+ }
+
+ return ret;
+}
+
/*
* Handle direct writes. For sequential zone files, this is the only possible
* write path. For these files, check that the user is issuing writes
@@ -611,6 +666,8 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
struct inode *inode = file_inode(iocb->ki_filp);
struct zonefs_inode_info *zi = ZONEFS_I(inode);
struct super_block *sb = inode->i_sb;
+ bool sync = is_sync_kiocb(iocb);
+ bool append = false;
size_t count;
ssize_t ret;
@@ -619,7 +676,7 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
* as this can cause write reordering (e.g. the first aio gets EAGAIN
* on the inode lock but the second goes through but is now unaligned).
*/
- if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && !is_sync_kiocb(iocb) &&
+ if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && !sync &&
(iocb->ki_flags & IOCB_NOWAIT))
return -EOPNOTSUPP;
@@ -643,16 +700,22 @@ static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)
}
/* Enforce sequential writes (append only) in sequential zones */
- mutex_lock(&zi->i_truncate_mutex);
- if (zi->i_ztype == ZONEFS_ZTYPE_SEQ && iocb->ki_pos != zi->i_wpoffset) {
+ if (zi->i_ztype == ZONEFS_ZTYPE_SEQ) {
+ mutex_lock(&zi->i_truncate_mutex);
+ if (iocb->ki_pos != zi->i_wpoffset) {
+ mutex_unlock(&zi->i_truncate_mutex);
+ ret = -EINVAL;
+ goto inode_unlock;
+ }
mutex_unlock(&zi->i_truncate_mutex);
- ret = -EINVAL;
- goto inode_unlock;
+ append = sync;
}
- mutex_unlock(&zi->i_truncate_mutex);
- ret = iomap_dio_rw(iocb, from, &zonefs_iomap_ops,
- &zonefs_write_dio_ops, is_sync_kiocb(iocb));
+ if (append)
+ ret = zonefs_file_dio_append(iocb, from);
+ else
+ ret = iomap_dio_rw(iocb, from, &zonefs_iomap_ops,
+ &zonefs_write_dio_ops, sync);
if (zi->i_ztype == ZONEFS_ZTYPE_SEQ &&
(ret > 0 || ret == -EIOCBQUEUED)) {
if (ret > 0)
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index a92bea7184a8..5afb6ceb284f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -44,6 +44,7 @@ acpi_status acpi_execute_simple_method(acpi_handle handle, char *method,
u64 arg);
acpi_status acpi_evaluate_ej0(acpi_handle handle);
acpi_status acpi_evaluate_lck(acpi_handle handle, int lock);
+acpi_status acpi_evaluate_reg(acpi_handle handle, u8 space_id, u32 function);
bool acpi_ata_match(acpi_handle handle);
bool acpi_bay_match(acpi_handle handle);
bool acpi_dock_match(acpi_handle handle);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 49b519f36b69..1dc8d262035b 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -12,7 +12,7 @@
/* Current ACPICA subsystem version in YYYYMMDD format */
-#define ACPI_CA_VERSION 0x20200326
+#define ACPI_CA_VERSION 0x20200430
#include <acpi/acconfig.h>
#include <acpi/actypes.h>
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
index e3f1cddb4ac8..517a5231cc1b 100644
--- a/include/acpi/ghes.h
+++ b/include/acpi/ghes.h
@@ -33,6 +33,9 @@ struct ghes_estatus_node {
struct llist_node llnode;
struct acpi_hest_generic *generic;
struct ghes *ghes;
+
+ int task_work_cpu;
+ struct callback_head task_work;
};
struct ghes_estatus_cache {
diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h
index 4c74b1c1d13b..58046ddc08d0 100644
--- a/include/asm-generic/5level-fixup.h
+++ b/include/asm-generic/5level-fixup.h
@@ -17,8 +17,9 @@
((unlikely(pgd_none(*(p4d))) && __pud_alloc(mm, p4d, address)) ? \
NULL : pud_offset(p4d, address))
-#define p4d_alloc(mm, pgd, address) (pgd)
-#define p4d_offset(pgd, start) (pgd)
+#define p4d_alloc(mm, pgd, address) (pgd)
+#define p4d_alloc_track(mm, pgd, address, mask) (pgd)
+#define p4d_offset(pgd, start) (pgd)
#ifndef __ASSEMBLY__
static inline int p4d_none(p4d_t p4d)
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 36341dfded70..44ec80e70518 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -56,6 +56,7 @@ mandatory-y += topology.h
mandatory-y += trace_clock.h
mandatory-y += uaccess.h
mandatory-y += unaligned.h
+mandatory-y += vermagic.h
mandatory-y += vga.h
mandatory-y += word-at-a-time.h
mandatory-y += xor.h
diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h
index 34785c0f57b0..5a80f8e54300 100644
--- a/include/asm-generic/checksum.h
+++ b/include/asm-generic/checksum.h
@@ -25,15 +25,6 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum);
*/
extern __wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum);
-/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- */
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *csum_err);
-
#ifndef csum_partial_copy_nocheck
#define csum_partial_copy_nocheck(src, dst, len, sum) \
csum_partial_copy((src), (dst), (len), (sum))
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index 822f433ac95c..40f85decc2ee 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -122,7 +122,7 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
#ifndef __HAVE_ARCH_HUGE_PTEP_GET
static inline pte_t huge_ptep_get(pte_t *ptep)
{
- return *ptep;
+ return READ_ONCE(*ptep);
}
#endif
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
new file mode 100644
index 000000000000..e73a11850055
--- /dev/null
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -0,0 +1,497 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * This file contains definitions from Hyper-V Hypervisor Top-Level Functional
+ * Specification (TLFS):
+ * https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs
+ */
+
+#ifndef _ASM_GENERIC_HYPERV_TLFS_H
+#define _ASM_GENERIC_HYPERV_TLFS_H
+
+#include <linux/types.h>
+#include <linux/bits.h>
+#include <linux/time64.h>
+
+/*
+ * While not explicitly listed in the TLFS, Hyper-V always runs with a page size
+ * of 4096. These definitions are used when communicating with Hyper-V using
+ * guest physical pages and guest physical page addresses, since the guest page
+ * size may not be 4096 on all architectures.
+ */
+#define HV_HYP_PAGE_SHIFT 12
+#define HV_HYP_PAGE_SIZE BIT(HV_HYP_PAGE_SHIFT)
+#define HV_HYP_PAGE_MASK (~(HV_HYP_PAGE_SIZE - 1))
+
+/*
+ * Hyper-V provides two categories of flags relevant to guest VMs. The
+ * "Features" category indicates specific functionality that is available
+ * to guests on this particular instance of Hyper-V. The "Features"
+ * are presented in four groups, each of which is 32 bits. The group A
+ * and B definitions are common across architectures and are listed here.
+ * However, not all flags are relevant on all architectures.
+ *
+ * Groups C and D vary across architectures and are listed in the
+ * architecture specific portion of hyperv-tlfs.h. Some of these flags exist
+ * on multiple architectures, but the bit positions are different so they
+ * cannot appear in the generic portion of hyperv-tlfs.h.
+ *
+ * The "Enlightenments" category provides recommendations on whether to use
+ * specific enlightenments that are available. The Enlighenments are a single
+ * group of 32 bits, but they vary across architectures and are listed in
+ * the architecture specific portion of hyperv-tlfs.h.
+ */
+
+/*
+ * Group A Features.
+ */
+
+/* VP Runtime register available */
+#define HV_MSR_VP_RUNTIME_AVAILABLE BIT(0)
+/* Partition Reference Counter available*/
+#define HV_MSR_TIME_REF_COUNT_AVAILABLE BIT(1)
+/* Basic SynIC register available */
+#define HV_MSR_SYNIC_AVAILABLE BIT(2)
+/* Synthetic Timer registers available */
+#define HV_MSR_SYNTIMER_AVAILABLE BIT(3)
+/* Virtual APIC assist and VP assist page registers available */
+#define HV_MSR_APIC_ACCESS_AVAILABLE BIT(4)
+/* Hypercall and Guest OS ID registers available*/
+#define HV_MSR_HYPERCALL_AVAILABLE BIT(5)
+/* Access virtual processor index register available*/
+#define HV_MSR_VP_INDEX_AVAILABLE BIT(6)
+/* Virtual system reset register available*/
+#define HV_MSR_RESET_AVAILABLE BIT(7)
+/* Access statistics page registers available */
+#define HV_MSR_STAT_PAGES_AVAILABLE BIT(8)
+/* Partition reference TSC register is available */
+#define HV_MSR_REFERENCE_TSC_AVAILABLE BIT(9)
+/* Partition Guest IDLE register is available */
+#define HV_MSR_GUEST_IDLE_AVAILABLE BIT(10)
+/* Partition local APIC and TSC frequency registers available */
+#define HV_ACCESS_FREQUENCY_MSRS BIT(11)
+/* AccessReenlightenmentControls privilege */
+#define HV_ACCESS_REENLIGHTENMENT BIT(13)
+/* AccessTscInvariantControls privilege */
+#define HV_ACCESS_TSC_INVARIANT BIT(15)
+
+/*
+ * Group B features.
+ */
+#define HV_CREATE_PARTITIONS BIT(0)
+#define HV_ACCESS_PARTITION_ID BIT(1)
+#define HV_ACCESS_MEMORY_POOL BIT(2)
+#define HV_ADJUST_MESSAGE_BUFFERS BIT(3)
+#define HV_POST_MESSAGES BIT(4)
+#define HV_SIGNAL_EVENTS BIT(5)
+#define HV_CREATE_PORT BIT(6)
+#define HV_CONNECT_PORT BIT(7)
+#define HV_ACCESS_STATS BIT(8)
+#define HV_DEBUGGING BIT(11)
+#define HV_CPU_POWER_MANAGEMENT BIT(12)
+
+
+/*
+ * TSC page layout.
+ */
+struct ms_hyperv_tsc_page {
+ volatile u32 tsc_sequence;
+ u32 reserved1;
+ volatile u64 tsc_scale;
+ volatile s64 tsc_offset;
+} __packed;
+
+/*
+ * The guest OS needs to register the guest ID with the hypervisor.
+ * The guest ID is a 64 bit entity and the structure of this ID is
+ * specified in the Hyper-V specification:
+ *
+ * msdn.microsoft.com/en-us/library/windows/hardware/ff542653%28v=vs.85%29.aspx
+ *
+ * While the current guideline does not specify how Linux guest ID(s)
+ * need to be generated, our plan is to publish the guidelines for
+ * Linux and other guest operating systems that currently are hosted
+ * on Hyper-V. The implementation here conforms to this yet
+ * unpublished guidelines.
+ *
+ *
+ * Bit(s)
+ * 63 - Indicates if the OS is Open Source or not; 1 is Open Source
+ * 62:56 - Os Type; Linux is 0x100
+ * 55:48 - Distro specific identification
+ * 47:16 - Linux kernel version number
+ * 15:0 - Distro specific identification
+ *
+ *
+ */
+
+#define HV_LINUX_VENDOR_ID 0x8100
+
+/*
+ * Crash notification flags.
+ */
+#define HV_CRASH_CTL_CRASH_NOTIFY_MSG BIT_ULL(62)
+#define HV_CRASH_CTL_CRASH_NOTIFY BIT_ULL(63)
+
+/* Declare the various hypercall operations. */
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
+#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
+#define HVCALL_SEND_IPI 0x000b
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
+#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
+#define HVCALL_SEND_IPI_EX 0x0015
+#define HVCALL_GET_VP_REGISTERS 0x0050
+#define HVCALL_SET_VP_REGISTERS 0x0051
+#define HVCALL_POST_MESSAGE 0x005c
+#define HVCALL_SIGNAL_EVENT 0x005d
+#define HVCALL_POST_DEBUG_DATA 0x0069
+#define HVCALL_RETRIEVE_DEBUG_DATA 0x006a
+#define HVCALL_RESET_DEBUG_SESSION 0x006b
+#define HVCALL_RETARGET_INTERRUPT 0x007e
+#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af
+#define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0
+
+#define HV_FLUSH_ALL_PROCESSORS BIT(0)
+#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
+#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
+#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
+
+enum HV_GENERIC_SET_FORMAT {
+ HV_GENERIC_SET_SPARSE_4K,
+ HV_GENERIC_SET_ALL,
+};
+
+#define HV_PARTITION_ID_SELF ((u64)-1)
+#define HV_VP_INDEX_SELF ((u32)-2)
+
+#define HV_HYPERCALL_RESULT_MASK GENMASK_ULL(15, 0)
+#define HV_HYPERCALL_FAST_BIT BIT(16)
+#define HV_HYPERCALL_VARHEAD_OFFSET 17
+#define HV_HYPERCALL_REP_COMP_OFFSET 32
+#define HV_HYPERCALL_REP_COMP_1 BIT_ULL(32)
+#define HV_HYPERCALL_REP_COMP_MASK GENMASK_ULL(43, 32)
+#define HV_HYPERCALL_REP_START_OFFSET 48
+#define HV_HYPERCALL_REP_START_MASK GENMASK_ULL(59, 48)
+
+/* hypercall status code */
+#define HV_STATUS_SUCCESS 0
+#define HV_STATUS_INVALID_HYPERCALL_CODE 2
+#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
+#define HV_STATUS_INVALID_ALIGNMENT 4
+#define HV_STATUS_INVALID_PARAMETER 5
+#define HV_STATUS_OPERATION_DENIED 8
+#define HV_STATUS_INSUFFICIENT_MEMORY 11
+#define HV_STATUS_INVALID_PORT_ID 17
+#define HV_STATUS_INVALID_CONNECTION_ID 18
+#define HV_STATUS_INSUFFICIENT_BUFFERS 19
+
+/*
+ * The Hyper-V TimeRefCount register and the TSC
+ * page provide a guest VM clock with 100ns tick rate
+ */
+#define HV_CLOCK_HZ (NSEC_PER_SEC/100)
+
+/* Define the number of synthetic interrupt sources. */
+#define HV_SYNIC_SINT_COUNT (16)
+/* Define the expected SynIC version. */
+#define HV_SYNIC_VERSION_1 (0x1)
+/* Valid SynIC vectors are 16-255. */
+#define HV_SYNIC_FIRST_VALID_VECTOR (16)
+
+#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
+#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)
+#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0)
+#define HV_SYNIC_SINT_MASKED (1ULL << 16)
+#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17)
+#define HV_SYNIC_SINT_VECTOR_MASK (0xFF)
+
+#define HV_SYNIC_STIMER_COUNT (4)
+
+/* Define synthetic interrupt controller message constants. */
+#define HV_MESSAGE_SIZE (256)
+#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)
+#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)
+
+/* Define synthetic interrupt controller message flags. */
+union hv_message_flags {
+ __u8 asu8;
+ struct {
+ __u8 msg_pending:1;
+ __u8 reserved:7;
+ } __packed;
+};
+
+/* Define port identifier type. */
+union hv_port_id {
+ __u32 asu32;
+ struct {
+ __u32 id:24;
+ __u32 reserved:8;
+ } __packed u;
+};
+
+/* Define synthetic interrupt controller message header. */
+struct hv_message_header {
+ __u32 message_type;
+ __u8 payload_size;
+ union hv_message_flags message_flags;
+ __u8 reserved[2];
+ union {
+ __u64 sender;
+ union hv_port_id port;
+ };
+} __packed;
+
+/* Define synthetic interrupt controller message format. */
+struct hv_message {
+ struct hv_message_header header;
+ union {
+ __u64 payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
+ } u;
+} __packed;
+
+/* Define the synthetic interrupt message page layout. */
+struct hv_message_page {
+ struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
+} __packed;
+
+/* Define timer message payload structure. */
+struct hv_timer_message_payload {
+ __u32 timer_index;
+ __u32 reserved;
+ __u64 expiration_time; /* When the timer expired */
+ __u64 delivery_time; /* When the message was delivered */
+} __packed;
+
+
+/* Define synthetic interrupt controller flag constants. */
+#define HV_EVENT_FLAGS_COUNT (256 * 8)
+#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long))
+
+/*
+ * Synthetic timer configuration.
+ */
+union hv_stimer_config {
+ u64 as_uint64;
+ struct {
+ u64 enable:1;
+ u64 periodic:1;
+ u64 lazy:1;
+ u64 auto_enable:1;
+ u64 apic_vector:8;
+ u64 direct_mode:1;
+ u64 reserved_z0:3;
+ u64 sintx:4;
+ u64 reserved_z1:44;
+ } __packed;
+};
+
+
+/* Define the synthetic interrupt controller event flags format. */
+union hv_synic_event_flags {
+ unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT];
+};
+
+/* Define SynIC control register. */
+union hv_synic_scontrol {
+ u64 as_uint64;
+ struct {
+ u64 enable:1;
+ u64 reserved:63;
+ } __packed;
+};
+
+/* Define synthetic interrupt source. */
+union hv_synic_sint {
+ u64 as_uint64;
+ struct {
+ u64 vector:8;
+ u64 reserved1:8;
+ u64 masked:1;
+ u64 auto_eoi:1;
+ u64 polling:1;
+ u64 reserved2:45;
+ } __packed;
+};
+
+/* Define the format of the SIMP register */
+union hv_synic_simp {
+ u64 as_uint64;
+ struct {
+ u64 simp_enabled:1;
+ u64 preserved:11;
+ u64 base_simp_gpa:52;
+ } __packed;
+};
+
+/* Define the format of the SIEFP register */
+union hv_synic_siefp {
+ u64 as_uint64;
+ struct {
+ u64 siefp_enabled:1;
+ u64 preserved:11;
+ u64 base_siefp_gpa:52;
+ } __packed;
+};
+
+struct hv_vpset {
+ u64 format;
+ u64 valid_bank_mask;
+ u64 bank_contents[];
+} __packed;
+
+/* HvCallSendSyntheticClusterIpi hypercall */
+struct hv_send_ipi {
+ u32 vector;
+ u32 reserved;
+ u64 cpu_mask;
+} __packed;
+
+/* HvCallSendSyntheticClusterIpiEx hypercall */
+struct hv_send_ipi_ex {
+ u32 vector;
+ u32 reserved;
+ struct hv_vpset vp_set;
+} __packed;
+
+/* HvFlushGuestPhysicalAddressSpace hypercalls */
+struct hv_guest_mapping_flush {
+ u64 address_space;
+ u64 flags;
+} __packed;
+
+/*
+ * HV_MAX_FLUSH_PAGES = "additional_pages" + 1. It's limited
+ * by the bitwidth of "additional_pages" in union hv_gpa_page_range.
+ */
+#define HV_MAX_FLUSH_PAGES (2048)
+
+/* HvFlushGuestPhysicalAddressList hypercall */
+union hv_gpa_page_range {
+ u64 address_space;
+ struct {
+ u64 additional_pages:11;
+ u64 largepage:1;
+ u64 basepfn:52;
+ } page;
+};
+
+/*
+ * All input flush parameters should be in single page. The max flush
+ * count is equal with how many entries of union hv_gpa_page_range can
+ * be populated into the input parameter page.
+ */
+#define HV_MAX_FLUSH_REP_COUNT ((HV_HYP_PAGE_SIZE - 2 * sizeof(u64)) / \
+ sizeof(union hv_gpa_page_range))
+
+struct hv_guest_mapping_flush_list {
+ u64 address_space;
+ u64 flags;
+ union hv_gpa_page_range gpa_list[HV_MAX_FLUSH_REP_COUNT];
+};
+
+/* HvFlushVirtualAddressSpace, HvFlushVirtualAddressList hypercalls */
+struct hv_tlb_flush {
+ u64 address_space;
+ u64 flags;
+ u64 processor_mask;
+ u64 gva_list[];
+} __packed;
+
+/* HvFlushVirtualAddressSpaceEx, HvFlushVirtualAddressListEx hypercalls */
+struct hv_tlb_flush_ex {
+ u64 address_space;
+ u64 flags;
+ struct hv_vpset hv_vp_set;
+ u64 gva_list[];
+} __packed;
+
+/* HvRetargetDeviceInterrupt hypercall */
+union hv_msi_entry {
+ u64 as_uint64;
+ struct {
+ u32 address;
+ u32 data;
+ } __packed;
+};
+
+struct hv_interrupt_entry {
+ u32 source; /* 1 for MSI(-X) */
+ u32 reserved1;
+ union hv_msi_entry msi_entry;
+} __packed;
+
+/*
+ * flags for hv_device_interrupt_target.flags
+ */
+#define HV_DEVICE_INTERRUPT_TARGET_MULTICAST 1
+#define HV_DEVICE_INTERRUPT_TARGET_PROCESSOR_SET 2
+
+struct hv_device_interrupt_target {
+ u32 vector;
+ u32 flags;
+ union {
+ u64 vp_mask;
+ struct hv_vpset vp_set;
+ };
+} __packed;
+
+struct hv_retarget_device_interrupt {
+ u64 partition_id; /* use "self" */
+ u64 device_id;
+ struct hv_interrupt_entry int_entry;
+ u64 reserved2;
+ struct hv_device_interrupt_target int_target;
+} __packed __aligned(8);
+
+
+/* HvGetVpRegisters hypercall input with variable size reg name list*/
+struct hv_get_vp_registers_input {
+ struct {
+ u64 partitionid;
+ u32 vpindex;
+ u8 inputvtl;
+ u8 padding[3];
+ } header;
+ struct input {
+ u32 name0;
+ u32 name1;
+ } element[];
+} __packed;
+
+
+/* HvGetVpRegisters returns an array of these output elements */
+struct hv_get_vp_registers_output {
+ union {
+ struct {
+ u32 a;
+ u32 b;
+ u32 c;
+ u32 d;
+ } as32 __packed;
+ struct {
+ u64 low;
+ u64 high;
+ } as64 __packed;
+ };
+};
+
+/* HvSetVpRegisters hypercall with variable size reg name/value list*/
+struct hv_set_vp_registers_input {
+ struct {
+ u64 partitionid;
+ u32 vpindex;
+ u8 inputvtl;
+ u8 padding[3];
+ } header;
+ struct {
+ u32 name;
+ u32 padding1;
+ u64 padding2;
+ u64 valuelow;
+ u64 valuehigh;
+ } element[];
+} __packed;
+
+#endif
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 329b8c8ca703..7056a25479d6 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -188,6 +188,23 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm,
}
#endif
+
+/*
+ * If two threads concurrently fault at the same page, the thread that
+ * won the race updates the PTE and its local TLB/Cache. The other thread
+ * gives up, simply does nothing, and continues; on architectures where
+ * software can update TLB, local TLB can be updated here to avoid next page
+ * fault. This function updates TLB only, do nothing with cache or others.
+ * It is the difference with function update_mmu_cache.
+ */
+#ifndef __HAVE_ARCH_UPDATE_MMU_TLB
+static inline void update_mmu_tlb(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep)
+{
+}
+#define __HAVE_ARCH_UPDATE_MMU_TLB
+#endif
+
/*
* Some architectures may be able to avoid expensive synchronization
* primitives when modifications are made to PTE's which are already
@@ -227,6 +244,22 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addres
}
#endif
+/*
+ * On some architectures hardware does not set page access bit when accessing
+ * memory page, it is responsibilty of software setting this bit. It brings
+ * out extra page fault penalty to track page access bit. For optimization page
+ * access bit can be set during all page fault flow on these arches.
+ * To be differentiate with macro pte_mkyoung, this macro is used on platforms
+ * where software maintains page access bit.
+ */
+#ifndef pte_sw_mkyoung
+static inline pte_t pte_sw_mkyoung(pte_t pte)
+{
+ return pte;
+}
+#define pte_sw_mkyoung pte_sw_mkyoung
+#endif
+
#ifndef pte_savedwrite
#define pte_savedwrite pte_write
#endif
@@ -491,6 +524,10 @@ static inline int arch_unmap_one(struct mm_struct *mm,
#define flush_tlb_fix_spurious_fault(vma, address) flush_tlb_page(vma, address)
#endif
+#ifndef pgprot_nx
+#define pgprot_nx(prot) (prot)
+#endif
+
#ifndef pgprot_noncached
#define pgprot_noncached(prot) (prot)
#endif
@@ -1209,6 +1246,29 @@ static inline bool arch_has_pfn_modify_check(void)
# define PAGE_KERNEL_EXEC PAGE_KERNEL
#endif
+/*
+ * Page Table Modification bits for pgtbl_mod_mask.
+ *
+ * These are used by the p?d_alloc_track*() set of functions an in the generic
+ * vmalloc/ioremap code to track at which page-table levels entries have been
+ * modified. Based on that the code can better decide when vmalloc and ioremap
+ * mapping changes need to be synchronized to other page-tables in the system.
+ */
+#define __PGTBL_PGD_MODIFIED 0
+#define __PGTBL_P4D_MODIFIED 1
+#define __PGTBL_PUD_MODIFIED 2
+#define __PGTBL_PMD_MODIFIED 3
+#define __PGTBL_PTE_MODIFIED 4
+
+#define PGTBL_PGD_MODIFIED BIT(__PGTBL_PGD_MODIFIED)
+#define PGTBL_P4D_MODIFIED BIT(__PGTBL_P4D_MODIFIED)
+#define PGTBL_PUD_MODIFIED BIT(__PGTBL_PUD_MODIFIED)
+#define PGTBL_PMD_MODIFIED BIT(__PGTBL_PMD_MODIFIED)
+#define PGTBL_PTE_MODIFIED BIT(__PGTBL_PTE_MODIFIED)
+
+/* Page-Table Modification Mask */
+typedef unsigned int pgtbl_mod_mask;
+
#endif /* !__ASSEMBLY__ */
#ifndef io_remap_pfn_range
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index d1779d442aa5..66397ed10acb 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -53,6 +53,9 @@ extern char __ctors_start[], __ctors_end[];
/* Start and end of .opd section - used for function descriptors. */
extern char __start_opd[], __end_opd[];
+/* Start and end of instrumentation protected text section */
+extern char __noinstr_text_start[], __noinstr_text_end[];
+
extern __visible const void __nosave_begin, __nosave_end;
/* Function descriptor handling (if any). Override in asm/sections.h */
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index 238873739550..5aa8705df87e 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -48,7 +48,7 @@
#ifdef CONFIG_NEED_MULTIPLE_NODES
#define cpumask_of_node(node) ((node) == 0 ? cpu_online_mask : cpu_none_mask)
#else
- #define cpumask_of_node(node) ((void)node, cpu_online_mask)
+ #define cpumask_of_node(node) ((void)(node), cpu_online_mask)
#endif
#endif
#ifndef pcibus_to_node
diff --git a/include/asm-generic/vermagic.h b/include/asm-generic/vermagic.h
new file mode 100644
index 000000000000..084274a1219e
--- /dev/null
+++ b/include/asm-generic/vermagic.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#ifndef _ASM_GENERIC_VERMAGIC_H
+#define _ASM_GENERIC_VERMAGIC_H
+
+#define MODULE_ARCH_VERMAGIC ""
+
+#endif /* _ASM_GENERIC_VERMAGIC_H */
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 71e387a5fe90..db600ef218d7 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -541,6 +541,15 @@
__end_rodata = .;
/*
+ * Non-instrumentable text section
+ */
+#define NOINSTR_TEXT \
+ ALIGN_FUNCTION(); \
+ __noinstr_text_start = .; \
+ *(.noinstr.text) \
+ __noinstr_text_end = .;
+
+/*
* .text section. Map to function alignment to avoid address changes
* during second ld run in second ld pass when generating System.map
*
@@ -551,6 +560,7 @@
#define TEXT_TEXT \
ALIGN_FUNCTION(); \
*(.text.hot TEXT_MAIN .text.fixup .text.unlikely) \
+ NOINSTR_TEXT \
*(.text..refcount) \
*(.ref.text) \
MEM_KEEP(init.text*) \
diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h
index d873f999b334..2b4d2b06ccbd 100644
--- a/include/crypto/acompress.h
+++ b/include/crypto/acompress.h
@@ -157,7 +157,7 @@ static inline int crypto_has_acomp(const char *alg_name, u32 type, u32 mask)
{
type &= ~CRYPTO_ALG_TYPE_MASK;
type |= CRYPTO_ALG_TYPE_ACOMPRESS;
- mask |= CRYPTO_ALG_TYPE_MASK;
+ mask |= CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
return crypto_has_alg(alg_name, type, mask);
}
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index e115f9215ed5..00a9cf98debe 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -125,6 +125,8 @@ int crypto_inst_setname(struct crypto_instance *inst, const char *name,
void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen);
int crypto_enqueue_request(struct crypto_queue *queue,
struct crypto_async_request *request);
+void crypto_enqueue_request_head(struct crypto_queue *queue,
+ struct crypto_async_request *request);
struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue);
static inline unsigned int crypto_queue_len(struct crypto_queue *queue)
{
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index 8c9af21efce1..c4165126937e 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -184,11 +184,7 @@ static inline size_t drbg_max_addtl(struct drbg_state *drbg)
static inline size_t drbg_max_requests(struct drbg_state *drbg)
{
/* SP800-90A requires 2**48 maximum requests before reseeding */
-#if (__BITS_PER_LONG == 32)
- return SIZE_MAX;
-#else
- return (1UL<<48);
-#endif
+ return (1<<20);
}
/*
diff --git a/include/crypto/engine.h b/include/crypto/engine.h
index e29cd67f93c7..3f06e40d063a 100644
--- a/include/crypto/engine.h
+++ b/include/crypto/engine.h
@@ -24,7 +24,9 @@
* @idling: the engine is entering idle state
* @busy: request pump is busy
* @running: the engine is on working
- * @cur_req_prepared: current request is prepared
+ * @retry_support: indication that the hardware allows re-execution
+ * of a failed backlog request
+ * crypto-engine, in head position to keep order
* @list: link with the global crypto engine list
* @queue_lock: spinlock to syncronise access to request queue
* @queue: the crypto queue of the engine
@@ -35,6 +37,8 @@
* @unprepare_crypt_hardware: there are currently no more requests on the
* queue so the subsystem notifies the driver that it may relax the
* hardware by issuing this call
+ * @do_batch_requests: execute a batch of requests. Depends on multiple
+ * requests support.
* @kworker: kthread worker struct for request pump
* @pump_requests: work struct for scheduling work to the request pump
* @priv_data: the engine private data
@@ -45,7 +49,8 @@ struct crypto_engine {
bool idling;
bool busy;
bool running;
- bool cur_req_prepared;
+
+ bool retry_support;
struct list_head list;
spinlock_t queue_lock;
@@ -56,6 +61,8 @@ struct crypto_engine {
int (*prepare_crypt_hardware)(struct crypto_engine *engine);
int (*unprepare_crypt_hardware)(struct crypto_engine *engine);
+ int (*do_batch_requests)(struct crypto_engine *engine);
+
struct kthread_worker *kworker;
struct kthread_work pump_requests;
@@ -102,6 +109,10 @@ void crypto_finalize_skcipher_request(struct crypto_engine *engine,
int crypto_engine_start(struct crypto_engine *engine);
int crypto_engine_stop(struct crypto_engine *engine);
struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt);
+struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
+ bool retry_support,
+ int (*cbk_do_batch)(struct crypto_engine *engine),
+ bool rt, int qlen);
int crypto_engine_exit(struct crypto_engine *engine);
#endif /* _CRYPTO_ENGINE_H */
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index cee446c59497..4829d2367eda 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -856,6 +856,25 @@ int crypto_shash_digest(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out);
/**
+ * crypto_shash_tfm_digest() - calculate message digest for buffer
+ * @tfm: hash transformation object
+ * @data: see crypto_shash_update()
+ * @len: see crypto_shash_update()
+ * @out: see crypto_shash_final()
+ *
+ * This is a simplified version of crypto_shash_digest() for users who don't
+ * want to allocate their own hash descriptor (shash_desc). Instead,
+ * crypto_shash_tfm_digest() takes a hash transformation object (crypto_shash)
+ * directly, and it allocates a hash descriptor on the stack internally.
+ * Note that this stack allocation may be fairly large.
+ *
+ * Context: Any context.
+ * Return: 0 on success; < 0 if an error occurred.
+ */
+int crypto_shash_tfm_digest(struct crypto_shash *tfm, const u8 *data,
+ unsigned int len, u8 *out);
+
+/**
* crypto_shash_export() - extract operational state for message digest
* @desc: reference to the operational state handle whose state is exported
* @out: output buffer of sufficient size that can hold the hash state
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index 5c2132c71900..10753ff71d46 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -114,6 +114,16 @@ extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *hash);
/*
+ * An implementation of SHA-1's compression function. Don't use in new code!
+ * You shouldn't be using SHA-1, and even if you *have* to use SHA-1, this isn't
+ * the correct way to hash something with SHA-1 (use crypto_shash instead).
+ */
+#define SHA1_DIGEST_WORDS (SHA1_DIGEST_SIZE / 4)
+#define SHA1_WORKSPACE_WORDS 16
+void sha1_init(__u32 *buf);
+void sha1_transform(__u32 *digest, const char *data, __u32 *W);
+
+/*
* Stand-alone implementation of the SHA256 algorithm. It is designed to
* have as little dependencies as possible so it can be used in the
* kexec_file purgatory. In other cases you should generally use the
@@ -123,7 +133,7 @@ extern int crypto_sha512_finup(struct shash_desc *desc, const u8 *data,
* For details see lib/crypto/sha256.c
*/
-static inline int sha256_init(struct sha256_state *sctx)
+static inline void sha256_init(struct sha256_state *sctx)
{
sctx->state[0] = SHA256_H0;
sctx->state[1] = SHA256_H1;
@@ -134,14 +144,11 @@ static inline int sha256_init(struct sha256_state *sctx)
sctx->state[6] = SHA256_H6;
sctx->state[7] = SHA256_H7;
sctx->count = 0;
-
- return 0;
}
-extern int sha256_update(struct sha256_state *sctx, const u8 *input,
- unsigned int length);
-extern int sha256_final(struct sha256_state *sctx, u8 *hash);
+void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
+void sha256_final(struct sha256_state *sctx, u8 *out);
-static inline int sha224_init(struct sha256_state *sctx)
+static inline void sha224_init(struct sha256_state *sctx)
{
sctx->state[0] = SHA224_H0;
sctx->state[1] = SHA224_H1;
@@ -152,11 +159,8 @@ static inline int sha224_init(struct sha256_state *sctx)
sctx->state[6] = SHA224_H6;
sctx->state[7] = SHA224_H7;
sctx->count = 0;
-
- return 0;
}
-extern int sha224_update(struct sha256_state *sctx, const u8 *input,
- unsigned int length);
-extern int sha224_final(struct sha256_state *sctx, u8 *hash);
+void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
+void sha224_final(struct sha256_state *sctx, u8 *out);
#endif
diff --git a/include/crypto/sha256_base.h b/include/crypto/sha256_base.h
index cea60cff80bd..6ded110783ae 100644
--- a/include/crypto/sha256_base.h
+++ b/include/crypto/sha256_base.h
@@ -22,14 +22,16 @@ static inline int sha224_base_init(struct shash_desc *desc)
{
struct sha256_state *sctx = shash_desc_ctx(desc);
- return sha224_init(sctx);
+ sha224_init(sctx);
+ return 0;
}
static inline int sha256_base_init(struct shash_desc *desc)
{
struct sha256_state *sctx = shash_desc_ctx(desc);
- return sha256_init(sctx);
+ sha256_init(sctx);
+ return 0;
}
static inline int sha256_base_do_update(struct shash_desc *desc,
diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h
index 3ed5dee899fd..eb259c2547af 100644
--- a/include/drm/drm_client.h
+++ b/include/drm/drm_client.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0 or MIT */
#ifndef _DRM_CLIENT_H_
#define _DRM_CLIENT_H_
@@ -188,6 +188,6 @@ int drm_client_modeset_dpms(struct drm_client_dev *client, int mode);
drm_for_each_connector_iter(connector, iter) \
if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK)
-int drm_client_debugfs_init(struct drm_minor *minor);
+void drm_client_debugfs_init(struct drm_minor *minor);
#endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 19ae6bb5c85b..fd543d1db9b2 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1617,9 +1617,9 @@ struct drm_tile_group {
};
struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev,
- char topology[8]);
+ const char topology[8]);
struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev,
- char topology[8]);
+ const char topology[8]);
void drm_mode_put_tile_group(struct drm_device *dev,
struct drm_tile_group *tg);
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
index 7501e323d383..2188dc83957f 100644
--- a/include/drm/drm_debugfs.h
+++ b/include/drm/drm_debugfs.h
@@ -80,18 +80,16 @@ struct drm_info_node {
};
#if defined(CONFIG_DEBUG_FS)
-int drm_debugfs_create_files(const struct drm_info_list *files,
- int count, struct dentry *root,
- struct drm_minor *minor);
+void drm_debugfs_create_files(const struct drm_info_list *files,
+ int count, struct dentry *root,
+ struct drm_minor *minor);
int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor);
#else
-static inline int drm_debugfs_create_files(const struct drm_info_list *files,
- int count, struct dentry *root,
- struct drm_minor *minor)
-{
- return 0;
-}
+static inline void drm_debugfs_create_files(const struct drm_info_list *files,
+ int count, struct dentry *root,
+ struct drm_minor *minor)
+{}
static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
int count, struct drm_minor *minor)
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index bb60a949f416..a55874db9dd4 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -67,15 +67,33 @@ struct drm_device {
/** @dev: Device structure of bus-device */
struct device *dev;
+ /**
+ * @managed:
+ *
+ * Managed resources linked to the lifetime of this &drm_device as
+ * tracked by @ref.
+ */
+ struct {
+ /** @managed.resources: managed resources list */
+ struct list_head resources;
+ /** @managed.final_kfree: pointer for final kfree() call */
+ void *final_kfree;
+ /** @managed.lock: protects @managed.resources */
+ spinlock_t lock;
+ } managed;
+
/** @driver: DRM driver managing the device */
struct drm_driver *driver;
/**
* @dev_private:
*
- * DRM driver private data. Instead of using this pointer it is
- * recommended that drivers use drm_dev_init() and embed struct
- * &drm_device in their larger per-device structure.
+ * DRM driver private data. This is deprecated and should be left set to
+ * NULL.
+ *
+ * Instead of using this pointer it is recommended that drivers use
+ * drm_dev_init() and embed struct &drm_device in their larger
+ * per-device structure.
*/
void *dev_private;
diff --git a/include/drm/drm_displayid.h b/include/drm/drm_displayid.h
index 9d3b745c3107..27bdd273fc4e 100644
--- a/include/drm/drm_displayid.h
+++ b/include/drm/drm_displayid.h
@@ -97,7 +97,7 @@ struct displayid_detailed_timing_block {
(idx) + sizeof(struct displayid_block) <= (length) && \
(idx) + sizeof(struct displayid_block) + (block)->num_bytes <= (length) && \
(block)->num_bytes > 0; \
- (idx) += (block)->num_bytes + sizeof(struct displayid_block), \
+ (idx) += sizeof(struct displayid_block) + (block)->num_bytes, \
(block) = (struct displayid_block *)&(displayid)[idx])
#endif
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index c6119e4c169a..2035ac44afde 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -292,7 +292,7 @@
#define DP_DSC_PEAK_THROUGHPUT 0x06B
# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0)
# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0
-# define DP_DSC_THROUGHPUT_MODE_0_UPSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_0_UNSUPPORTED 0
# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0)
# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0)
@@ -310,7 +310,7 @@
# define DP_DSC_THROUGHPUT_MODE_0_170 (15 << 0) /* 1.4a */
# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4)
# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4
-# define DP_DSC_THROUGHPUT_MODE_1_UPSUPPORTED 0
+# define DP_DSC_THROUGHPUT_MODE_1_UNSUPPORTED 0
# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4)
# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4)
@@ -701,7 +701,16 @@
# define DP_TEST_CRC_SUPPORTED (1 << 5)
# define DP_TEST_COUNT_MASK 0xf
-#define DP_TEST_PHY_PATTERN 0x248
+#define DP_PHY_TEST_PATTERN 0x248
+# define DP_PHY_TEST_PATTERN_SEL_MASK 0x7
+# define DP_PHY_TEST_PATTERN_NONE 0x0
+# define DP_PHY_TEST_PATTERN_D10_2 0x1
+# define DP_PHY_TEST_PATTERN_ERROR_COUNT 0x2
+# define DP_PHY_TEST_PATTERN_PRBS7 0x3
+# define DP_PHY_TEST_PATTERN_80BIT_CUSTOM 0x4
+# define DP_PHY_TEST_PATTERN_CP2520 0x5
+
+#define DP_TEST_HBR2_SCRAMBLER_RESET 0x24A
#define DP_TEST_80BIT_CUSTOM_PATTERN_7_0 0x250
#define DP_TEST_80BIT_CUSTOM_PATTERN_15_8 0x251
#define DP_TEST_80BIT_CUSTOM_PATTERN_23_16 0x252
@@ -1209,6 +1218,139 @@ struct dp_sdp {
#define EDP_VSC_PSR_UPDATE_RFB (1<<1)
#define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2)
+/**
+ * enum dp_pixelformat - drm DP Pixel encoding formats
+ *
+ * This enum is used to indicate DP VSC SDP Pixel encoding formats.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ *
+ * @DP_PIXELFORMAT_RGB: RGB pixel encoding format
+ * @DP_PIXELFORMAT_YUV444: YCbCr 4:4:4 pixel encoding format
+ * @DP_PIXELFORMAT_YUV422: YCbCr 4:2:2 pixel encoding format
+ * @DP_PIXELFORMAT_YUV420: YCbCr 4:2:0 pixel encoding format
+ * @DP_PIXELFORMAT_Y_ONLY: Y Only pixel encoding format
+ * @DP_PIXELFORMAT_RAW: RAW pixel encoding format
+ * @DP_PIXELFORMAT_RESERVED: Reserved pixel encoding format
+ */
+enum dp_pixelformat {
+ DP_PIXELFORMAT_RGB = 0,
+ DP_PIXELFORMAT_YUV444 = 0x1,
+ DP_PIXELFORMAT_YUV422 = 0x2,
+ DP_PIXELFORMAT_YUV420 = 0x3,
+ DP_PIXELFORMAT_Y_ONLY = 0x4,
+ DP_PIXELFORMAT_RAW = 0x5,
+ DP_PIXELFORMAT_RESERVED = 0x6,
+};
+
+/**
+ * enum dp_colorimetry - drm DP Colorimetry formats
+ *
+ * This enum is used to indicate DP VSC SDP Colorimetry formats.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18] and a name of enum member follows DRM_MODE_COLORIMETRY definition.
+ *
+ * @DP_COLORIMETRY_DEFAULT: sRGB (IEC 61966-2-1) or
+ * ITU-R BT.601 colorimetry format
+ * @DP_COLORIMETRY_RGB_WIDE_FIXED: RGB wide gamut fixed point colorimetry format
+ * @DP_COLORIMETRY_BT709_YCC: ITU-R BT.709 colorimetry format
+ * @DP_COLORIMETRY_RGB_WIDE_FLOAT: RGB wide gamut floating point
+ * (scRGB (IEC 61966-2-2)) colorimetry format
+ * @DP_COLORIMETRY_XVYCC_601: xvYCC601 colorimetry format
+ * @DP_COLORIMETRY_OPRGB: OpRGB colorimetry format
+ * @DP_COLORIMETRY_XVYCC_709: xvYCC709 colorimetry format
+ * @DP_COLORIMETRY_DCI_P3_RGB: DCI-P3 (SMPTE RP 431-2) colorimetry format
+ * @DP_COLORIMETRY_SYCC_601: sYCC601 colorimetry format
+ * @DP_COLORIMETRY_RGB_CUSTOM: RGB Custom Color Profile colorimetry format
+ * @DP_COLORIMETRY_OPYCC_601: opYCC601 colorimetry format
+ * @DP_COLORIMETRY_BT2020_RGB: ITU-R BT.2020 R' G' B' colorimetry format
+ * @DP_COLORIMETRY_BT2020_CYCC: ITU-R BT.2020 Y'c C'bc C'rc colorimetry format
+ * @DP_COLORIMETRY_BT2020_YCC: ITU-R BT.2020 Y' C'b C'r colorimetry format
+ */
+enum dp_colorimetry {
+ DP_COLORIMETRY_DEFAULT = 0,
+ DP_COLORIMETRY_RGB_WIDE_FIXED = 0x1,
+ DP_COLORIMETRY_BT709_YCC = 0x1,
+ DP_COLORIMETRY_RGB_WIDE_FLOAT = 0x2,
+ DP_COLORIMETRY_XVYCC_601 = 0x2,
+ DP_COLORIMETRY_OPRGB = 0x3,
+ DP_COLORIMETRY_XVYCC_709 = 0x3,
+ DP_COLORIMETRY_DCI_P3_RGB = 0x4,
+ DP_COLORIMETRY_SYCC_601 = 0x4,
+ DP_COLORIMETRY_RGB_CUSTOM = 0x5,
+ DP_COLORIMETRY_OPYCC_601 = 0x5,
+ DP_COLORIMETRY_BT2020_RGB = 0x6,
+ DP_COLORIMETRY_BT2020_CYCC = 0x6,
+ DP_COLORIMETRY_BT2020_YCC = 0x7,
+};
+
+/**
+ * enum dp_dynamic_range - drm DP Dynamic Range
+ *
+ * This enum is used to indicate DP VSC SDP Dynamic Range.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ *
+ * @DP_DYNAMIC_RANGE_VESA: VESA range
+ * @DP_DYNAMIC_RANGE_CTA: CTA range
+ */
+enum dp_dynamic_range {
+ DP_DYNAMIC_RANGE_VESA = 0,
+ DP_DYNAMIC_RANGE_CTA = 1,
+};
+
+/**
+ * enum dp_content_type - drm DP Content Type
+ *
+ * This enum is used to indicate DP VSC SDP Content Types.
+ * It is based on DP 1.4 spec [Table 2-117: VSC SDP Payload for DB16 through
+ * DB18]
+ * CTA-861-G defines content types and expected processing by a sink device
+ *
+ * @DP_CONTENT_TYPE_NOT_DEFINED: Not defined type
+ * @DP_CONTENT_TYPE_GRAPHICS: Graphics type
+ * @DP_CONTENT_TYPE_PHOTO: Photo type
+ * @DP_CONTENT_TYPE_VIDEO: Video type
+ * @DP_CONTENT_TYPE_GAME: Game type
+ */
+enum dp_content_type {
+ DP_CONTENT_TYPE_NOT_DEFINED = 0x00,
+ DP_CONTENT_TYPE_GRAPHICS = 0x01,
+ DP_CONTENT_TYPE_PHOTO = 0x02,
+ DP_CONTENT_TYPE_VIDEO = 0x03,
+ DP_CONTENT_TYPE_GAME = 0x04,
+};
+
+/**
+ * struct drm_dp_vsc_sdp - drm DP VSC SDP
+ *
+ * This structure represents a DP VSC SDP of drm
+ * It is based on DP 1.4 spec [Table 2-116: VSC SDP Header Bytes] and
+ * [Table 2-117: VSC SDP Payload for DB16 through DB18]
+ *
+ * @sdp_type: secondary-data packet type
+ * @revision: revision number
+ * @length: number of valid data bytes
+ * @pixelformat: pixel encoding format
+ * @colorimetry: colorimetry format
+ * @bpc: bit per color
+ * @dynamic_range: dynamic range information
+ * @content_type: CTA-861-G defines content types and expected processing by a sink device
+ */
+struct drm_dp_vsc_sdp {
+ unsigned char sdp_type;
+ unsigned char revision;
+ unsigned char length;
+ enum dp_pixelformat pixelformat;
+ enum dp_colorimetry colorimetry;
+ int bpc;
+ enum dp_dynamic_range dynamic_range;
+ enum dp_content_type content_type;
+};
+
+void drm_dp_vsc_sdp_log(const char *level, struct device *dev,
+ const struct drm_dp_vsc_sdp *vsc);
+
int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]);
static inline int
@@ -1548,6 +1690,13 @@ enum drm_dp_quirk {
* capabilities advertised.
*/
DP_QUIRK_FORCE_DPCD_BACKLIGHT,
+ /**
+ * @DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS:
+ *
+ * The device supports a link rate of 3.24 Gbps (multiplier 0xc) despite
+ * the DP_MAX_LINK_RATE register reporting a lower max multiplier.
+ */
+ DP_DPCD_QUIRK_CAN_DO_MAX_LINK_RATE_3_24_GBPS,
};
/**
@@ -1598,4 +1747,26 @@ static inline void drm_dp_cec_unset_edid(struct drm_dp_aux *aux)
#endif
+/**
+ * struct drm_dp_phy_test_params - DP Phy Compliance parameters
+ * @link_rate: Requested Link rate from DPCD 0x219
+ * @num_lanes: Number of lanes requested by sing through DPCD 0x220
+ * @phy_pattern: DP Phy test pattern from DPCD 0x248
+ * @hb2_reset: DP HBR2_COMPLIANCE_SCRAMBLER_RESET from DCPD 0x24A and 0x24B
+ * @custom80: DP Test_80BIT_CUSTOM_PATTERN from DPCDs 0x250 through 0x259
+ * @enhanced_frame_cap: flag for enhanced frame capability.
+ */
+struct drm_dp_phy_test_params {
+ int link_rate;
+ u8 num_lanes;
+ u8 phy_pattern;
+ u8 hbr2_reset[2];
+ u8 custom80[10];
+ bool enhanced_frame_cap;
+};
+
+int drm_dp_get_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data);
+int drm_dp_set_phy_test_pattern(struct drm_dp_aux *aux,
+ struct drm_dp_phy_test_params *data, u8 dp_rev);
#endif /* _DRM_DP_HELPER_H_ */
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 3cde42b333c3..9e1ffcd7cb68 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -157,19 +157,45 @@ struct drm_dp_mst_port {
*/
bool has_audio;
+ /**
+ * @fec_capable: bool indicating if FEC can be supported up to that
+ * point in the MST topology.
+ */
bool fec_capable;
};
+/* sideband msg header - not bit struct */
+struct drm_dp_sideband_msg_hdr {
+ u8 lct;
+ u8 lcr;
+ u8 rad[8];
+ bool broadcast;
+ bool path_msg;
+ u8 msg_len;
+ bool somt;
+ bool eomt;
+ bool seqno;
+};
+
+struct drm_dp_sideband_msg_rx {
+ u8 chunk[48];
+ u8 msg[256];
+ u8 curchunk_len;
+ u8 curchunk_idx; /* chunk we are parsing now */
+ u8 curchunk_hdrlen;
+ u8 curlen; /* total length of the msg */
+ bool have_somt;
+ bool have_eomt;
+ struct drm_dp_sideband_msg_hdr initial_hdr;
+};
+
/**
* struct drm_dp_mst_branch - MST branch device.
* @rad: Relative Address to talk to this branch device.
* @lct: Link count total to talk to this branch device.
* @num_ports: number of ports on the branch.
- * @msg_slots: one bit per transmitted msg slot.
* @port_parent: pointer to the port parent, NULL if toplevel.
* @mgr: topology manager for this branch device.
- * @tx_slots: transmission slots for this device.
- * @last_seqno: last sequence number used to talk to this.
* @link_address_sent: if a link address message has been sent to this device yet.
* @guid: guid for DP 1.2 branch device. port under this branch can be
* identified by port #.
@@ -210,7 +236,6 @@ struct drm_dp_mst_branch {
u8 lct;
int num_ports;
- int msg_slots;
/**
* @ports: the list of ports on this branch device. This should be
* considered protected for reading by &drm_dp_mst_topology_mgr.lock.
@@ -223,13 +248,9 @@ struct drm_dp_mst_branch {
*/
struct list_head ports;
- /* list of tx ops queue for this port */
struct drm_dp_mst_port *port_parent;
struct drm_dp_mst_topology_mgr *mgr;
- /* slots are protected by mstb->mgr->qlock */
- struct drm_dp_sideband_msg_tx *tx_slots[2];
- int last_seqno;
bool link_address_sent;
/* global unique identifier to identify branch devices */
@@ -237,19 +258,6 @@ struct drm_dp_mst_branch {
};
-/* sideband msg header - not bit struct */
-struct drm_dp_sideband_msg_hdr {
- u8 lct;
- u8 lcr;
- u8 rad[8];
- bool broadcast;
- bool path_msg;
- u8 msg_len;
- bool somt;
- bool eomt;
- bool seqno;
-};
-
struct drm_dp_nak_reply {
u8 guid[16];
u8 reason;
@@ -306,18 +314,6 @@ struct drm_dp_remote_i2c_write_ack_reply {
};
-struct drm_dp_sideband_msg_rx {
- u8 chunk[48];
- u8 msg[256];
- u8 curchunk_len;
- u8 curchunk_idx; /* chunk we are parsing now */
- u8 curchunk_hdrlen;
- u8 curlen; /* total length of the msg */
- bool have_somt;
- bool have_eomt;
- struct drm_dp_sideband_msg_hdr initial_hdr;
-};
-
#define DRM_DP_MAX_SDP_STREAMS 16
struct drm_dp_allocate_payload {
u8 port_number;
@@ -479,8 +475,6 @@ struct drm_dp_mst_topology_mgr;
struct drm_dp_mst_topology_cbs {
/* create a connector for a port */
struct drm_connector *(*add_connector)(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port, const char *path);
- void (*destroy_connector)(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_connector *connector);
};
#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
@@ -556,15 +550,17 @@ struct drm_dp_mst_topology_mgr {
int conn_base_id;
/**
- * @down_rep_recv: Message receiver state for down replies.
- */
- struct drm_dp_sideband_msg_rx down_rep_recv;
- /**
* @up_req_recv: Message receiver state for up requests.
*/
struct drm_dp_sideband_msg_rx up_req_recv;
/**
+ * @down_rep_recv: Message receiver state for replies to down
+ * requests.
+ */
+ struct drm_dp_sideband_msg_rx down_rep_recv;
+
+ /**
* @lock: protects @mst_state, @mst_primary, @dpcd, and
* @payload_id_table_cleared.
*/
@@ -590,11 +586,6 @@ struct drm_dp_mst_topology_mgr {
bool payload_id_table_cleared : 1;
/**
- * @is_waiting_for_dwn_reply: whether we're waiting for a down reply.
- */
- bool is_waiting_for_dwn_reply : 1;
-
- /**
* @mst_primary: Pointer to the primary/first branch device.
*/
struct drm_dp_mst_branch *mst_primary;
@@ -618,13 +609,12 @@ struct drm_dp_mst_topology_mgr {
const struct drm_private_state_funcs *funcs;
/**
- * @qlock: protects @tx_msg_downq, the &drm_dp_mst_branch.txslost and
- * &drm_dp_sideband_msg_tx.state once they are queued
+ * @qlock: protects @tx_msg_downq and &drm_dp_sideband_msg_tx.state
*/
struct mutex qlock;
/**
- * @tx_msg_downq: List of pending down replies.
+ * @tx_msg_downq: List of pending down requests
*/
struct list_head tx_msg_downq;
@@ -734,8 +724,6 @@ drm_dp_mst_detect_port(struct drm_connector *connector,
struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port);
-bool drm_dp_mst_port_has_audio(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
struct edid *drm_dp_mst_get_edid(struct drm_connector *connector, struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 97109df5beac..6d457652f199 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -262,9 +262,11 @@ struct drm_driver {
* @release:
*
* Optional callback for destroying device data after the final
- * reference is released, i.e. the device is being destroyed. Drivers
- * using this callback are responsible for calling drm_dev_fini()
- * to finalize the device and then freeing the struct themselves.
+ * reference is released, i.e. the device is being destroyed.
+ *
+ * This is deprecated, clean up all memory allocations associated with a
+ * &drm_device using drmm_add_action(), drmm_kmalloc() and related
+ * managed resources functions.
*/
void (*release) (struct drm_device *);
@@ -323,7 +325,7 @@ struct drm_driver {
*
* Allows drivers to create driver-specific debugfs files.
*/
- int (*debugfs_init)(struct drm_minor *minor);
+ void (*debugfs_init)(struct drm_minor *minor);
/**
* @gem_free_object: deconstructor for drm_gem_objects
@@ -620,7 +622,39 @@ int drm_dev_init(struct drm_device *dev,
int devm_drm_dev_init(struct device *parent,
struct drm_device *dev,
struct drm_driver *driver);
-void drm_dev_fini(struct drm_device *dev);
+
+void *__devm_drm_dev_alloc(struct device *parent, struct drm_driver *driver,
+ size_t size, size_t offset);
+
+/**
+ * devm_drm_dev_alloc - Resource managed allocation of a &drm_device instance
+ * @parent: Parent device object
+ * @driver: DRM driver
+ * @type: the type of the struct which contains struct &drm_device
+ * @member: the name of the &drm_device within @type.
+ *
+ * This allocates and initialize a new DRM device. No device registration is done.
+ * Call drm_dev_register() to advertice the device to user space and register it
+ * with other core subsystems. This should be done last in the device
+ * initialization sequence to make sure userspace can't access an inconsistent
+ * state.
+ *
+ * The initial ref-count of the object is 1. Use drm_dev_get() and
+ * drm_dev_put() to take and drop further ref-counts.
+ *
+ * It is recommended that drivers embed &struct drm_device into their own device
+ * structure.
+ *
+ * Note that this manages the lifetime of the resulting &drm_device
+ * automatically using devres. The DRM device initialized with this function is
+ * automatically put on driver detach using drm_dev_put().
+ *
+ * RETURNS:
+ * Pointer to new DRM device, or ERR_PTR on failure.
+ */
+#define devm_drm_dev_alloc(parent, driver, type, member) \
+ ((type *) __devm_drm_dev_alloc(parent, driver, sizeof(type), \
+ offsetof(type, member)))
struct drm_device *drm_dev_alloc(struct drm_driver *driver,
struct device *parent);
diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index 4370e039c015..a60f5f1555ac 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -142,7 +142,7 @@ struct drm_encoder {
* the bits for all &drm_crtc objects this encoder can be connected to
* before calling drm_dev_register().
*
- * In reality almost every driver gets this wrong.
+ * You will get a WARN if you get this wrong in the driver.
*
* Note that since CRTC objects can't be hotplugged the assigned indices
* are stable and hence known before registering all objects.
@@ -159,7 +159,11 @@ struct drm_encoder {
* encoders can be used in a cloned configuration, they both should have
* each another bits set.
*
- * In reality almost every driver gets this wrong.
+ * As an exception to the above rule if the driver doesn't implement
+ * any cloning it can leave @possible_clones set to 0. The core will
+ * automagically fix this up by setting the bit for the encoder itself.
+ *
+ * You will get a WARN if you get this wrong in the driver.
*
* Note that since encoder objects can't be hotplugged the assigned indices
* are stable and hence known before registering all objects.
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 208dbf87afa3..306aa3a60be9 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -269,7 +269,8 @@ int drm_fb_helper_debug_leave(struct fb_info *info);
void drm_fb_helper_lastclose(struct drm_device *dev);
void drm_fb_helper_output_poll_changed(struct drm_device *dev);
-int drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp);
+void drm_fbdev_generic_setup(struct drm_device *dev,
+ unsigned int preferred_bpp);
#else
static inline void drm_fb_helper_prepare(struct drm_device *dev,
struct drm_fb_helper *helper,
@@ -443,10 +444,9 @@ static inline void drm_fb_helper_output_poll_changed(struct drm_device *dev)
{
}
-static inline int
+static inline void
drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp)
{
- return 0;
}
#endif
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 5aaf1c4593a9..716990bace10 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -202,6 +202,17 @@ struct drm_file {
bool writeback_connectors;
/**
+ * @was_master:
+ *
+ * This client has or had, master capability. Protected by struct
+ * &drm_device.master_mutex.
+ *
+ * This is used to ensure that CAP_SYS_ADMIN is not enforced, if the
+ * client is or was master in the past.
+ */
+ bool was_master;
+
+ /**
* @is_master:
*
* This client is the creator of @master. Protected by struct
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index c0e0256e3e98..be658ebbec72 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -297,4 +297,42 @@ int drm_framebuffer_plane_width(int width,
int drm_framebuffer_plane_height(int height,
const struct drm_framebuffer *fb, int plane);
+/**
+ * struct drm_afbc_framebuffer - a special afbc frame buffer object
+ *
+ * A derived class of struct drm_framebuffer, dedicated for afbc use cases.
+ */
+struct drm_afbc_framebuffer {
+ /**
+ * @base: base framebuffer structure.
+ */
+ struct drm_framebuffer base;
+ /**
+ * @block_width: width of a single afbc block
+ */
+ u32 block_width;
+ /**
+ * @block_height: height of a single afbc block
+ */
+ u32 block_height;
+ /**
+ * @aligned_width: aligned frame buffer width
+ */
+ u32 aligned_width;
+ /**
+ * @aligned_height: aligned frame buffer height
+ */
+ u32 aligned_height;
+ /**
+ * @offset: offset of the first afbc header
+ */
+ u32 offset;
+ /**
+ * @afbc_size: minimum size of afbc buffer
+ */
+ u32 afbc_size;
+};
+
+#define fb_to_afbc_fb(x) container_of(x, struct drm_afbc_framebuffer, base)
+
#endif
diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h
index d9f13fd25b0a..6b013154911d 100644
--- a/include/drm/drm_gem_framebuffer_helper.h
+++ b/include/drm/drm_gem_framebuffer_helper.h
@@ -1,6 +1,7 @@
#ifndef __DRM_GEM_FB_HELPER_H__
#define __DRM_GEM_FB_HELPER_H__
+struct drm_afbc_framebuffer;
struct drm_device;
struct drm_fb_helper_surface_size;
struct drm_file;
@@ -12,12 +13,19 @@ struct drm_plane;
struct drm_plane_state;
struct drm_simple_display_pipe;
+#define AFBC_VENDOR_AND_TYPE_MASK GENMASK_ULL(63, 52)
+
struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb,
unsigned int plane);
void drm_gem_fb_destroy(struct drm_framebuffer *fb);
int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file,
unsigned int *handle);
+int drm_gem_fb_init_with_funcs(struct drm_device *dev,
+ struct drm_framebuffer *fb,
+ struct drm_file *file,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ const struct drm_framebuffer_funcs *funcs);
struct drm_framebuffer *
drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file,
const struct drm_mode_fb_cmd2 *mode_cmd,
@@ -29,6 +37,13 @@ struct drm_framebuffer *
drm_gem_fb_create_with_dirty(struct drm_device *dev, struct drm_file *file,
const struct drm_mode_fb_cmd2 *mode_cmd);
+#define drm_is_afbc(modifier) \
+ (((modifier) & AFBC_VENDOR_AND_TYPE_MASK) == DRM_FORMAT_MOD_ARM_AFBC(0))
+
+int drm_gem_fb_afbc_init(struct drm_device *dev,
+ const struct drm_mode_fb_cmd2 *mode_cmd,
+ struct drm_afbc_framebuffer *afbc_fb);
+
int drm_gem_fb_prepare_fb(struct drm_plane *plane,
struct drm_plane_state *state);
int drm_gem_fb_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 0f6e47213d8d..b63bcd1b996d 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -196,7 +196,7 @@ static inline struct drm_vram_mm *drm_vram_mm_of_bdev(
return container_of(bdev, struct drm_vram_mm, bdev);
}
-int drm_vram_mm_debugfs_init(struct drm_minor *minor);
+void drm_vram_mm_debugfs_init(struct drm_minor *minor);
/*
* Helpers for integration with struct drm_device
diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h
index aed382c17b26..852d7451eeb1 100644
--- a/include/drm/drm_legacy.h
+++ b/include/drm/drm_legacy.h
@@ -194,11 +194,26 @@ void drm_legacy_idlelock_release(struct drm_lock_data *lock);
#ifdef CONFIG_PCI
+struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
+ size_t align);
+void drm_pci_free(struct drm_device *dev, struct drm_dma_handle *dmah);
+
int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
#else
+static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
+ size_t size, size_t align)
+{
+ return NULL;
+}
+
+static inline void drm_pci_free(struct drm_device *dev,
+ struct drm_dma_handle *dmah)
+{
+}
+
static inline int drm_legacy_pci_init(struct drm_driver *driver,
struct pci_driver *pdriver)
{
diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h
new file mode 100644
index 000000000000..ca4114633bf9
--- /dev/null
+++ b/include/drm/drm_managed.h
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef _DRM_MANAGED_H_
+#define _DRM_MANAGED_H_
+
+#include <linux/gfp.h>
+#include <linux/overflow.h>
+#include <linux/types.h>
+
+struct drm_device;
+
+typedef void (*drmres_release_t)(struct drm_device *dev, void *res);
+
+/**
+ * drmm_add_action - add a managed release action to a &drm_device
+ * @dev: DRM device
+ * @action: function which should be called when @dev is released
+ * @data: opaque pointer, passed to @action
+ *
+ * This function adds the @release action with optional parameter @data to the
+ * list of cleanup actions for @dev. The cleanup actions will be run in reverse
+ * order in the final drm_dev_put() call for @dev.
+ */
+#define drmm_add_action(dev, action, data) \
+ __drmm_add_action(dev, action, data, #action)
+
+int __must_check __drmm_add_action(struct drm_device *dev,
+ drmres_release_t action,
+ void *data, const char *name);
+
+/**
+ * drmm_add_action_or_reset - add a managed release action to a &drm_device
+ * @dev: DRM device
+ * @action: function which should be called when @dev is released
+ * @data: opaque pointer, passed to @action
+ *
+ * Similar to drmm_add_action(), with the only difference that upon failure
+ * @action is directly called for any cleanup work necessary on failures.
+ */
+#define drmm_add_action_or_reset(dev, action, data) \
+ __drmm_add_action_or_reset(dev, action, data, #action)
+
+int __must_check __drmm_add_action_or_reset(struct drm_device *dev,
+ drmres_release_t action,
+ void *data, const char *name);
+
+void drmm_add_final_kfree(struct drm_device *dev, void *container);
+
+void *drmm_kmalloc(struct drm_device *dev, size_t size, gfp_t gfp) __malloc;
+
+/**
+ * drmm_kzalloc - &drm_device managed kzalloc()
+ * @dev: DRM device
+ * @size: size of the memory allocation
+ * @gfp: GFP allocation flags
+ *
+ * This is a &drm_device managed version of kzalloc(). The allocated memory is
+ * automatically freed on the final drm_dev_put(). Memory can also be freed
+ * before the final drm_dev_put() by calling drmm_kfree().
+ */
+static inline void *drmm_kzalloc(struct drm_device *dev, size_t size, gfp_t gfp)
+{
+ return drmm_kmalloc(dev, size, gfp | __GFP_ZERO);
+}
+
+/**
+ * drmm_kmalloc_array - &drm_device managed kmalloc_array()
+ * @dev: DRM device
+ * @n: number of array elements to allocate
+ * @size: size of array member
+ * @flags: GFP allocation flags
+ *
+ * This is a &drm_device managed version of kmalloc_array(). The allocated
+ * memory is automatically freed on the final drm_dev_put() and works exactly
+ * like a memory allocation obtained by drmm_kmalloc().
+ */
+static inline void *drmm_kmalloc_array(struct drm_device *dev,
+ size_t n, size_t size, gfp_t flags)
+{
+ size_t bytes;
+
+ if (unlikely(check_mul_overflow(n, size, &bytes)))
+ return NULL;
+
+ return drmm_kmalloc(dev, bytes, flags);
+}
+
+/**
+ * drmm_kcalloc - &drm_device managed kcalloc()
+ * @dev: DRM device
+ * @n: number of array elements to allocate
+ * @size: size of array member
+ * @flags: GFP allocation flags
+ *
+ * This is a &drm_device managed version of kcalloc(). The allocated memory is
+ * automatically freed on the final drm_dev_put() and works exactly like a
+ * memory allocation obtained by drmm_kmalloc().
+ */
+static inline void *drmm_kcalloc(struct drm_device *dev,
+ size_t n, size_t size, gfp_t flags)
+{
+ return drmm_kmalloc_array(dev, n, size, flags | __GFP_ZERO);
+}
+
+char *drmm_kstrdup(struct drm_device *dev, const char *s, gfp_t gfp);
+
+void drmm_kfree(struct drm_device *dev, void *data);
+
+#endif
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index 33f325f5af2b..4d0e49c0ed2c 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -152,7 +152,6 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
const struct drm_simple_display_pipe_funcs *funcs,
const struct drm_display_mode *mode, unsigned int rotation);
-void mipi_dbi_release(struct drm_device *drm);
void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *old_state);
void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
@@ -170,7 +169,8 @@ int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz,
int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val);
int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
-int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
+int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
+ size_t len);
int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
struct drm_rect *clip, bool swap);
/**
@@ -187,12 +187,12 @@ int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
*/
#define mipi_dbi_command(dbi, cmd, seq...) \
({ \
- u8 d[] = { seq }; \
+ const u8 d[] = { seq }; \
mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
})
#ifdef CONFIG_DEBUG_FS
-int mipi_dbi_debugfs_init(struct drm_minor *minor);
+void mipi_dbi_debugfs_init(struct drm_minor *minor);
#else
#define mipi_dbi_debugfs_init NULL
#endif
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index ee8b0e80ca90..a01bc6fac83c 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -168,6 +168,7 @@ struct drm_mm_node {
struct rb_node rb_hole_addr;
u64 __subtree_last;
u64 hole_size;
+ u64 subtree_max_hole;
unsigned long flags;
#define DRM_MM_NODE_ALLOCATED_BIT 0
#define DRM_MM_NODE_SCANNED_BIT 1
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 3bcbe30339f0..6c3ef49b46b3 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -929,7 +929,23 @@ struct drm_mode_config {
const struct drm_mode_config_helper_funcs *helper_private;
};
-void drm_mode_config_init(struct drm_device *dev);
+int __must_check drmm_mode_config_init(struct drm_device *dev);
+
+/**
+ * drm_mode_config_init - DRM mode_configuration structure initialization
+ * @dev: DRM device
+ *
+ * This is the unmanaged version of drmm_mode_config_init() for drivers which
+ * still explicitly call drm_mode_config_cleanup().
+ *
+ * FIXME: This function is deprecated and drivers should be converted over to
+ * drmm_mode_config_init().
+ */
+static inline int drm_mode_config_init(struct drm_device *dev)
+{
+ return drmm_mode_config_init(dev);
+}
+
void drm_mode_config_reset(struct drm_device *dev);
void drm_mode_config_cleanup(struct drm_device *dev);
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 99134d4f35eb..303ee5fbbdd8 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -48,7 +48,7 @@ struct videomode;
* @MODE_HSYNC: hsync out of range
* @MODE_VSYNC: vsync out of range
* @MODE_H_ILLEGAL: mode has illegal horizontal timings
- * @MODE_V_ILLEGAL: mode has illegal horizontal timings
+ * @MODE_V_ILLEGAL: mode has illegal vertical timings
* @MODE_BAD_WIDTH: requires an unsupported linepitch
* @MODE_NOMODE: no mode with a matching name
* @MODE_NO_INTERLACE: interlaced mode not supported
@@ -391,16 +391,6 @@ struct drm_display_mode {
int vrefresh;
/**
- * @hsync:
- *
- * Horizontal refresh rate, for debug output in human readable form. Not
- * used in a functional way.
- *
- * This value is in kHz.
- */
- int hsync;
-
- /**
* @picture_aspect_ratio:
*
* Field for setting the HDMI picture aspect ratio of a mode.
@@ -493,7 +483,6 @@ int of_get_drm_display_mode(struct device_node *np,
int index);
void drm_mode_set_name(struct drm_display_mode *mode);
-int drm_mode_hsync(const struct drm_display_mode *mode);
int drm_mode_vrefresh(const struct drm_display_mode *mode);
void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
int *hdisplay, int *vdisplay);
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 7c20b1c8b6a7..421a30f08463 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -1075,8 +1075,35 @@ struct drm_connector_helper_funcs {
void (*atomic_commit)(struct drm_connector *connector,
struct drm_connector_state *state);
+ /**
+ * @prepare_writeback_job:
+ *
+ * As writeback jobs contain a framebuffer, drivers may need to
+ * prepare and clean them up the same way they can prepare and
+ * clean up framebuffers for planes. This optional connector operation
+ * is used to support the preparation of writeback jobs. The job
+ * prepare operation is called from drm_atomic_helper_prepare_planes()
+ * for struct &drm_writeback_connector connectors only.
+ *
+ * This operation is optional.
+ *
+ * This callback is used by the atomic modeset helpers.
+ */
int (*prepare_writeback_job)(struct drm_writeback_connector *connector,
struct drm_writeback_job *job);
+ /**
+ * @cleanup_writeback_job:
+ *
+ * This optional connector operation is used to support the
+ * cleanup of writeback jobs. The job cleanup operation is called
+ * from the existing drm_writeback_cleanup_job() function, invoked
+ * both when destroying the job as part of an aborted commit, or when
+ * the job completes.
+ *
+ * This operation is optional.
+ *
+ * This callback is used by the atomic modeset helpers.
+ */
void (*cleanup_writeback_job)(struct drm_writeback_connector *connector,
struct drm_writeback_job *job);
};
diff --git a/include/drm/drm_pci.h b/include/drm/drm_pci.h
deleted file mode 100644
index 3941b0255ecf..000000000000
--- a/include/drm/drm_pci.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Internal Header for the Direct Rendering Manager
- *
- * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * Copyright (c) 2009-2010, Code Aurora Forum.
- * All rights reserved.
- *
- * Author: Rickard E. (Rik) Faith <faith@valinux.com>
- * Author: Gareth Hughes <gareth@valinux.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef _DRM_PCI_H_
-#define _DRM_PCI_H_
-
-#include <linux/pci.h>
-
-struct drm_dma_handle;
-struct drm_device;
-struct drm_driver;
-struct drm_master;
-
-#ifdef CONFIG_PCI
-
-struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size,
- size_t align);
-void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah);
-
-#else
-
-static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev,
- size_t size, size_t align)
-{
- return NULL;
-}
-
-static inline void drm_pci_free(struct drm_device *dev,
- struct drm_dma_handle *dmah)
-{
-}
-
-#endif
-
-#endif /* _DRM_PCI_H_ */
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index ca7cee8e728a..1c9417430d08 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -313,6 +313,10 @@ enum drm_debug_category {
* @DRM_UT_DP: Used in the DP code.
*/
DRM_UT_DP = 0x100,
+ /**
+ * @DRM_UT_DRMRES: Used in the drm managed resources code.
+ */
+ DRM_UT_DRMRES = 0x200,
};
static inline bool drm_debug_enabled(enum drm_debug_category category)
@@ -442,6 +446,8 @@ void drm_dev_dbg(const struct device *dev, enum drm_debug_category category,
drm_dev_dbg((drm)->dev, DRM_UT_LEASE, fmt, ##__VA_ARGS__)
#define drm_dbg_dp(drm, fmt, ...) \
drm_dev_dbg((drm)->dev, DRM_UT_DP, fmt, ##__VA_ARGS__)
+#define drm_dbg_drmres(drm, fmt, ...) \
+ drm_dev_dbg((drm)->dev, DRM_UT_DRMRES, fmt, ##__VA_ARGS__)
/*
diff --git a/include/drm/drm_writeback.h b/include/drm/drm_writeback.h
index 777c14c847f0..9697d2714d2a 100644
--- a/include/drm/drm_writeback.h
+++ b/include/drm/drm_writeback.h
@@ -15,7 +15,13 @@
#include <drm/drm_encoder.h>
#include <linux/workqueue.h>
+/**
+ * struct drm_writeback_connector - DRM writeback connector
+ */
struct drm_writeback_connector {
+ /**
+ * @base: base drm_connector object
+ */
struct drm_connector base;
/**
@@ -78,6 +84,9 @@ struct drm_writeback_connector {
char timeline_name[32];
};
+/**
+ * struct drm_writeback_job - DRM writeback job
+ */
struct drm_writeback_job {
/**
* @connector:
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 26b04ff62676..a21b3b92135a 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -56,6 +56,7 @@ enum drm_sched_priority {
* Jobs from this entity can be scheduled on any scheduler
* on this list.
* @num_sched_list: number of drm_gpu_schedulers in the sched_list.
+ * @priority: priority of the entity
* @rq_lock: lock to modify the runqueue to which this entity belongs.
* @job_queue: the list of jobs of this entity.
* @fence_seq: a linearly increasing seqno incremented with each
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 1d2c12219f44..662d8351c87a 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -593,12 +593,16 @@
/* TGL */
#define INTEL_TGL_12_IDS(info) \
- INTEL_VGA_DEVICE(0x9A49, info), \
INTEL_VGA_DEVICE(0x9A40, info), \
+ INTEL_VGA_DEVICE(0x9A49, info), \
INTEL_VGA_DEVICE(0x9A59, info), \
INTEL_VGA_DEVICE(0x9A60, info), \
INTEL_VGA_DEVICE(0x9A68, info), \
INTEL_VGA_DEVICE(0x9A70, info), \
- INTEL_VGA_DEVICE(0x9A78, info)
+ INTEL_VGA_DEVICE(0x9A78, info), \
+ INTEL_VGA_DEVICE(0x9AC0, info), \
+ INTEL_VGA_DEVICE(0x9AC9, info), \
+ INTEL_VGA_DEVICE(0x9AD9, info), \
+ INTEL_VGA_DEVICE(0x9AF8, info)
#endif /* _I915_PCIIDS_H */
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index c9e0fd09f4b2..54a527aa79cc 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -390,7 +390,6 @@ struct ttm_bo_driver {
/**
* struct ttm_bo_global - Buffer object driver global data.
*
- * @mem_glob: Pointer to a struct ttm_mem_global object for accounting.
* @dummy_read_page: Pointer to a dummy page used for mapping requests
* of unpopulated pages.
* @shrink: A shrink callback object used for buffer object swap.
diff --git a/include/drm/ttm/ttm_debug.h b/include/drm/ttm/ttm_debug.h
deleted file mode 100644
index b5e460fa5086..000000000000
--- a/include/drm/ttm/ttm_debug.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) 2017 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-/*
- * Authors: Tom St Denis <tom.stdenis@amd.com>
- */
-extern void ttm_trace_dma_map(struct device *dev, struct ttm_dma_tt *tt);
-extern void ttm_trace_dma_unmap(struct device *dev, struct ttm_dma_tt *tt);
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 69f4164d6477..a8d8fdcd3723 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -274,6 +274,8 @@ struct vgic_v2_cpu_if {
u32 vgic_vmcr;
u32 vgic_apr;
u32 vgic_lr[VGIC_V2_MAX_LRS];
+
+ unsigned int used_lrs;
};
struct vgic_v3_cpu_if {
@@ -291,6 +293,8 @@ struct vgic_v3_cpu_if {
* linking the Linux IRQ subsystem and the ITS together.
*/
struct its_vpe its_vpe;
+
+ unsigned int used_lrs;
};
struct vgic_cpu {
@@ -300,7 +304,6 @@ struct vgic_cpu {
struct vgic_v3_cpu_if vgic_v3;
};
- unsigned int used_lrs;
struct vgic_irq private_irqs[VGIC_NR_PRIVATE_IRQS];
raw_spinlock_t ap_list_lock; /* Protects the ap_list */
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 26f0ecf401ea..0bbfd647f5c6 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -65,6 +65,7 @@ struct amba_device {
struct device dev;
struct resource res;
struct clk *pclk;
+ struct device_dma_parameters dma_parms;
unsigned int periphid;
unsigned int cid;
struct amba_cs_uci_id uci;
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 59494df0f55b..56d6a5c6e353 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -5,12 +5,15 @@
#ifndef __LINUX_ARM_SMCCC_H
#define __LINUX_ARM_SMCCC_H
+#include <linux/init.h>
#include <uapi/linux/const.h>
/*
* This file provides common defines for ARM SMC Calling Convention as
* specified in
- * http://infocenter.arm.com/help/topic/com.arm.doc.den0028a/index.html
+ * https://developer.arm.com/docs/den0028/latest
+ *
+ * This code is up-to-date with version DEN 0028 C
*/
#define ARM_SMCCC_STD_CALL _AC(0,U)
@@ -56,6 +59,7 @@
#define ARM_SMCCC_VERSION_1_0 0x10000
#define ARM_SMCCC_VERSION_1_1 0x10001
+#define ARM_SMCCC_VERSION_1_2 0x10002
#define ARM_SMCCC_VERSION_FUNC_ID \
ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
@@ -98,6 +102,19 @@ enum arm_smccc_conduit {
enum arm_smccc_conduit arm_smccc_1_1_get_conduit(void);
/**
+ * arm_smccc_get_version()
+ *
+ * Returns the version to be used for SMCCCv1.1 or later.
+ *
+ * When SMCCCv1.1 or above is not present, returns SMCCCv1.0, but this
+ * does not imply the presence of firmware or a valid conduit. Caller
+ * handling SMCCCv1.0 must determine the conduit by other means.
+ */
+u32 arm_smccc_get_version(void);
+
+void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit);
+
+/**
* struct arm_smccc_res - Result from SMC/HVC call
* @a0-a3 result values from registers 0 to 3
*/
@@ -314,10 +331,14 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
*/
#define arm_smccc_1_1_hvc(...) __arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
-/* Return codes defined in ARM DEN 0070A */
+/*
+ * Return codes defined in ARM DEN 0070A
+ * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
+ */
#define SMCCC_RET_SUCCESS 0
#define SMCCC_RET_NOT_SUPPORTED -1
#define SMCCC_RET_NOT_REQUIRED -2
+#define SMCCC_RET_INVALID_PARAMETER -3
/*
* Like arm_smccc_1_1* but always returns SMCCC_RET_NOT_SUPPORTED.
diff --git a/include/linux/audit.h b/include/linux/audit.h
index f9ceae57ca8d..3fcd9ee49734 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -19,7 +19,7 @@
struct audit_sig_info {
uid_t uid;
pid_t pid;
- char ctx[0];
+ char ctx[];
};
struct audit_buffer;
@@ -94,6 +94,12 @@ struct audit_ntp_data {
struct audit_ntp_data {};
#endif
+enum audit_nfcfgop {
+ AUDIT_XT_OP_REGISTER,
+ AUDIT_XT_OP_REPLACE,
+ AUDIT_XT_OP_UNREGISTER,
+};
+
extern int is_audit_feature_set(int which);
extern int __init audit_register_class(int class, unsigned *list);
@@ -379,6 +385,8 @@ extern void __audit_log_kern_module(char *name);
extern void __audit_fanotify(unsigned int response);
extern void __audit_tk_injoffset(struct timespec64 offset);
extern void __audit_ntp_log(const struct audit_ntp_data *ad);
+extern void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
+ enum audit_nfcfgop op);
static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp)
{
@@ -514,6 +522,14 @@ static inline void audit_ntp_log(const struct audit_ntp_data *ad)
__audit_ntp_log(ad);
}
+static inline void audit_log_nfcfg(const char *name, u8 af,
+ unsigned int nentries,
+ enum audit_nfcfgop op)
+{
+ if (audit_enabled)
+ __audit_log_nfcfg(name, af, nentries, op);
+}
+
extern int audit_n_rules;
extern int audit_signals;
#else /* CONFIG_AUDITSYSCALL */
@@ -646,6 +662,12 @@ static inline void audit_ntp_log(const struct audit_ntp_data *ad)
static inline void audit_ptrace(struct task_struct *t)
{ }
+
+static inline void audit_log_nfcfg(const char *name, u8 af,
+ unsigned int nentries,
+ enum audit_nfcfgop op)
+{ }
+
#define audit_n_rules 0
#define audit_signals 0
#endif /* CONFIG_AUDITSYSCALL */
diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h
index ca956b672ac0..40bad71865ea 100644
--- a/include/linux/avf/virtchnl.h
+++ b/include/linux/avf/virtchnl.h
@@ -476,6 +476,7 @@ struct virtchnl_rss_key {
u16 vsi_id;
u16 key_len;
u8 key[1]; /* RSS hash key, packed bytes */
+ u8 pad[1];
};
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_key);
@@ -484,6 +485,7 @@ struct virtchnl_rss_lut {
u16 vsi_id;
u16 lut_entries;
u8 lut[1]; /* RSS lookup table */
+ u8 pad[1];
};
VIRTCHNL_CHECK_STRUCT_LEN(6, virtchnl_rss_lut);
@@ -572,6 +574,7 @@ struct virtchnl_filter {
enum virtchnl_action action;
u32 action_meta;
u8 field_flags;
+ u8 pad[3];
};
VIRTCHNL_CHECK_STRUCT_LEN(272, virtchnl_filter);
@@ -610,6 +613,7 @@ struct virtchnl_pf_event {
/* link_speed provided in Mbps */
u32 link_speed;
u8 link_status;
+ u8 pad[3];
} link_event_adv;
} event_data;
@@ -635,6 +639,7 @@ struct virtchnl_iwarp_qv_info {
u16 ceq_idx;
u16 aeq_idx;
u8 itr_idx;
+ u8 pad[3];
};
VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_iwarp_qv_info);
diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 4fc87dee005a..90a7e844a098 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -54,7 +54,6 @@ enum wb_reason {
WB_REASON_SYNC,
WB_REASON_PERIODIC,
WB_REASON_LAPTOP_TIMER,
- WB_REASON_FREE_MORE_MEM,
WB_REASON_FS_FREE_SPACE,
/*
* There is no bdi forker thread any more and works are done
@@ -194,8 +193,6 @@ struct backing_dev_info {
congested_fn *congested_fn; /* Function pointer if device is md/dm */
void *congested_data; /* Pointer to aux data for congested func */
- const char *name;
-
struct kref refcnt; /* Reference counter for the structure */
unsigned int capabilities; /* Device capabilities */
unsigned int min_ratio;
@@ -220,6 +217,7 @@ struct backing_dev_info {
wait_queue_head_t wb_waitq;
struct device *dev;
+ char dev_name[64];
struct device *owner;
struct timer_list laptop_mode_wb_timer;
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index f88197c1ffc2..6b3504bf7a42 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -33,14 +33,10 @@ int bdi_register(struct backing_dev_info *bdi, const char *fmt, ...);
__printf(2, 0)
int bdi_register_va(struct backing_dev_info *bdi, const char *fmt,
va_list args);
-int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner);
+void bdi_set_owner(struct backing_dev_info *bdi, struct device *owner);
void bdi_unregister(struct backing_dev_info *bdi);
-struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id);
-static inline struct backing_dev_info *bdi_alloc(gfp_t gfp_mask)
-{
- return bdi_alloc_node(gfp_mask, NUMA_NO_NODE);
-}
+struct backing_dev_info *bdi_alloc(int node_id);
void wb_start_background_writeback(struct bdi_writeback *wb);
void wb_workfn(struct work_struct *work);
@@ -505,13 +501,6 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
(1 << WB_async_congested));
}
-extern const char *bdi_unknown_name;
-
-static inline const char *bdi_dev_name(struct backing_dev_info *bdi)
-{
- if (!bdi || !bdi->dev)
- return bdi_unknown_name;
- return dev_name(bdi->dev);
-}
+const char *bdi_dev_name(struct backing_dev_info *bdi);
#endif /* _LINUX_BACKING_DEV_H */
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0ee494a6329..91676d4b2dfe 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -70,7 +70,7 @@ static inline bool bio_has_data(struct bio *bio)
return false;
}
-static inline bool bio_no_advance_iter(struct bio *bio)
+static inline bool bio_no_advance_iter(const struct bio *bio)
{
return bio_op(bio) == REQ_OP_DISCARD ||
bio_op(bio) == REQ_OP_SECURE_ERASE ||
@@ -138,8 +138,8 @@ static inline bool bio_next_segment(const struct bio *bio,
#define bio_for_each_segment_all(bvl, bio, iter) \
for (bvl = bvec_init_iter_all(&iter); bio_next_segment((bio), &iter); )
-static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter,
- unsigned bytes)
+static inline void bio_advance_iter(const struct bio *bio,
+ struct bvec_iter *iter, unsigned int bytes)
{
iter->bi_sector += bytes >> 9;
@@ -169,6 +169,14 @@ static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter,
#define bio_for_each_bvec(bvl, bio, iter) \
__bio_for_each_bvec(bvl, bio, iter, (bio)->bi_iter)
+/*
+ * Iterate over all multi-page bvecs. Drivers shouldn't use this version for the
+ * same reasons as bio_for_each_segment_all().
+ */
+#define bio_for_each_bvec_all(bvl, bio, i) \
+ for (i = 0, bvl = bio_first_bvec_all(bio); \
+ i < (bio)->bi_vcnt; i++, bvl++) \
+
#define bio_iter_last(bvec, iter) ((iter).bi_size == (bvec).bv_len)
static inline unsigned bio_segments(struct bio *bio)
@@ -417,6 +425,7 @@ static inline void bio_io_error(struct bio *bio)
static inline void bio_wouldblock_error(struct bio *bio)
{
+ bio_set_flag(bio, BIO_QUIET);
bio->bi_status = BLK_STS_AGAIN;
bio_endio(bio);
}
@@ -444,12 +453,6 @@ void bio_release_pages(struct bio *bio, bool mark_dirty);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
-void generic_start_io_acct(struct request_queue *q, int op,
- unsigned long sectors, struct hd_struct *part);
-void generic_end_io_acct(struct request_queue *q, int op,
- struct hd_struct *part,
- unsigned long start_time);
-
extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
struct bio *src, struct bvec_iter *src_iter);
extern void bio_copy_data(struct bio *dst, struct bio *src);
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 35f8ffe92b70..a57ebe2f00ab 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -607,12 +607,14 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,
u64_stats_update_begin(&bis->sync);
/*
- * If the bio is flagged with BIO_QUEUE_ENTERED it means this
- * is a split bio and we would have already accounted for the
- * size of the bio.
+ * If the bio is flagged with BIO_CGROUP_ACCT it means this is a
+ * split bio and we would have already accounted for the size of
+ * the bio.
*/
- if (!bio_flagged(bio, BIO_QUEUE_ENTERED))
+ if (!bio_flagged(bio, BIO_CGROUP_ACCT)) {
+ bio_set_flag(bio, BIO_CGROUP_ACCT);
bis->cur.bytes[rwd] += bio->bi_iter.bi_size;
+ }
bis->cur.ios[rwd]++;
u64_stats_update_end(&bis->sync);
@@ -629,6 +631,8 @@ static inline bool blkcg_bio_issue_check(struct request_queue *q,
static inline void blkcg_use_delay(struct blkcg_gq *blkg)
{
+ if (WARN_ON_ONCE(atomic_read(&blkg->use_delay) < 0))
+ return;
if (atomic_add_return(1, &blkg->use_delay) == 1)
atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);
}
@@ -637,6 +641,8 @@ static inline int blkcg_unuse_delay(struct blkcg_gq *blkg)
{
int old = atomic_read(&blkg->use_delay);
+ if (WARN_ON_ONCE(old < 0))
+ return 0;
if (old == 0)
return 0;
@@ -661,20 +667,39 @@ static inline int blkcg_unuse_delay(struct blkcg_gq *blkg)
return 1;
}
+/**
+ * blkcg_set_delay - Enable allocator delay mechanism with the specified delay amount
+ * @blkg: target blkg
+ * @delay: delay duration in nsecs
+ *
+ * When enabled with this function, the delay is not decayed and must be
+ * explicitly cleared with blkcg_clear_delay(). Must not be mixed with
+ * blkcg_[un]use_delay() and blkcg_add_delay() usages.
+ */
+static inline void blkcg_set_delay(struct blkcg_gq *blkg, u64 delay)
+{
+ int old = atomic_read(&blkg->use_delay);
+
+ /* We only want 1 person setting the congestion count for this blkg. */
+ if (!old && atomic_cmpxchg(&blkg->use_delay, old, -1) == old)
+ atomic_inc(&blkg->blkcg->css.cgroup->congestion_count);
+
+ atomic64_set(&blkg->delay_nsec, delay);
+}
+
+/**
+ * blkcg_clear_delay - Disable allocator delay mechanism
+ * @blkg: target blkg
+ *
+ * Disable use_delay mechanism. See blkcg_set_delay().
+ */
static inline void blkcg_clear_delay(struct blkcg_gq *blkg)
{
int old = atomic_read(&blkg->use_delay);
- if (!old)
- return;
+
/* We only want 1 person clearing the congestion count for this blkg. */
- while (old) {
- int cur = atomic_cmpxchg(&blkg->use_delay, old, 0);
- if (cur == old) {
- atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);
- break;
- }
- old = cur;
- }
+ if (old && atomic_cmpxchg(&blkg->use_delay, old, 0) == old)
+ atomic_dec(&blkg->blkcg->css.cgroup->congestion_count);
}
void blkcg_add_delay(struct blkcg_gq *blkg, u64 now, u64 delta);
diff --git a/include/linux/blk-crypto.h b/include/linux/blk-crypto.h
new file mode 100644
index 000000000000..e82342907f2b
--- /dev/null
+++ b/include/linux/blk-crypto.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef __LINUX_BLK_CRYPTO_H
+#define __LINUX_BLK_CRYPTO_H
+
+#include <linux/types.h>
+
+enum blk_crypto_mode_num {
+ BLK_ENCRYPTION_MODE_INVALID,
+ BLK_ENCRYPTION_MODE_AES_256_XTS,
+ BLK_ENCRYPTION_MODE_AES_128_CBC_ESSIV,
+ BLK_ENCRYPTION_MODE_ADIANTUM,
+ BLK_ENCRYPTION_MODE_MAX,
+};
+
+#define BLK_CRYPTO_MAX_KEY_SIZE 64
+/**
+ * struct blk_crypto_config - an inline encryption key's crypto configuration
+ * @crypto_mode: encryption algorithm this key is for
+ * @data_unit_size: the data unit size for all encryption/decryptions with this
+ * key. This is the size in bytes of each individual plaintext and
+ * ciphertext. This is always a power of 2. It might be e.g. the
+ * filesystem block size or the disk sector size.
+ * @dun_bytes: the maximum number of bytes of DUN used when using this key
+ */
+struct blk_crypto_config {
+ enum blk_crypto_mode_num crypto_mode;
+ unsigned int data_unit_size;
+ unsigned int dun_bytes;
+};
+
+/**
+ * struct blk_crypto_key - an inline encryption key
+ * @crypto_cfg: the crypto configuration (like crypto_mode, key size) for this
+ * key
+ * @data_unit_size_bits: log2 of data_unit_size
+ * @size: size of this key in bytes (determined by @crypto_cfg.crypto_mode)
+ * @raw: the raw bytes of this key. Only the first @size bytes are used.
+ *
+ * A blk_crypto_key is immutable once created, and many bios can reference it at
+ * the same time. It must not be freed until all bios using it have completed
+ * and it has been evicted from all devices on which it may have been used.
+ */
+struct blk_crypto_key {
+ struct blk_crypto_config crypto_cfg;
+ unsigned int data_unit_size_bits;
+ unsigned int size;
+ u8 raw[BLK_CRYPTO_MAX_KEY_SIZE];
+};
+
+#define BLK_CRYPTO_MAX_IV_SIZE 32
+#define BLK_CRYPTO_DUN_ARRAY_SIZE (BLK_CRYPTO_MAX_IV_SIZE / sizeof(u64))
+
+/**
+ * struct bio_crypt_ctx - an inline encryption context
+ * @bc_key: the key, algorithm, and data unit size to use
+ * @bc_dun: the data unit number (starting IV) to use
+ *
+ * A bio_crypt_ctx specifies that the contents of the bio will be encrypted (for
+ * write requests) or decrypted (for read requests) inline by the storage device
+ * or controller, or by the crypto API fallback.
+ */
+struct bio_crypt_ctx {
+ const struct blk_crypto_key *bc_key;
+ u64 bc_dun[BLK_CRYPTO_DUN_ARRAY_SIZE];
+};
+
+#include <linux/blk_types.h>
+#include <linux/blkdev.h>
+
+struct request;
+struct request_queue;
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+
+static inline bool bio_has_crypt_ctx(struct bio *bio)
+{
+ return bio->bi_crypt_context;
+}
+
+void bio_crypt_set_ctx(struct bio *bio, const struct blk_crypto_key *key,
+ const u64 dun[BLK_CRYPTO_DUN_ARRAY_SIZE],
+ gfp_t gfp_mask);
+
+bool bio_crypt_dun_is_contiguous(const struct bio_crypt_ctx *bc,
+ unsigned int bytes,
+ const u64 next_dun[BLK_CRYPTO_DUN_ARRAY_SIZE]);
+
+int blk_crypto_init_key(struct blk_crypto_key *blk_key, const u8 *raw_key,
+ enum blk_crypto_mode_num crypto_mode,
+ unsigned int dun_bytes,
+ unsigned int data_unit_size);
+
+int blk_crypto_start_using_key(const struct blk_crypto_key *key,
+ struct request_queue *q);
+
+int blk_crypto_evict_key(struct request_queue *q,
+ const struct blk_crypto_key *key);
+
+bool blk_crypto_config_supported(struct request_queue *q,
+ const struct blk_crypto_config *cfg);
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static inline bool bio_has_crypt_ctx(struct bio *bio)
+{
+ return false;
+}
+
+#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+void __bio_crypt_clone(struct bio *dst, struct bio *src, gfp_t gfp_mask);
+static inline void bio_crypt_clone(struct bio *dst, struct bio *src,
+ gfp_t gfp_mask)
+{
+ if (bio_has_crypt_ctx(src))
+ __bio_crypt_clone(dst, src, gfp_mask);
+}
+
+#endif /* __LINUX_BLK_CRYPTO_H */
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index b45148ba3291..d6fcae17da5a 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -140,6 +140,8 @@ struct blk_mq_hw_ctx {
*/
atomic_t nr_active;
+ /** @cpuhp_online: List to store request if CPU is going to die */
+ struct hlist_node cpuhp_online;
/** @cpuhp_dead: List to store request if some CPU die. */
struct hlist_node cpuhp_dead;
/** @kobj: Kernel object for sysfs. */
@@ -391,6 +393,11 @@ struct blk_mq_ops {
enum {
BLK_MQ_F_SHOULD_MERGE = 1 << 0,
BLK_MQ_F_TAG_SHARED = 1 << 1,
+ /*
+ * Set when this device requires underlying blk-mq device for
+ * completing IO:
+ */
+ BLK_MQ_F_STACKING = 1 << 2,
BLK_MQ_F_BLOCKING = 1 << 5,
BLK_MQ_F_NO_SCHED = 1 << 6,
BLK_MQ_F_ALLOC_POLICY_START_BIT = 8,
@@ -400,6 +407,9 @@ enum {
BLK_MQ_S_TAG_ACTIVE = 1,
BLK_MQ_S_SCHED_RESTART = 2,
+ /* hw queue is inactive after all its CPUs become offline */
+ BLK_MQ_S_INACTIVE = 3,
+
BLK_MQ_MAX_DEPTH = 10240,
BLK_MQ_CPU_WORK_BATCH = 8,
@@ -494,6 +504,7 @@ void blk_mq_requeue_request(struct request *rq, bool kick_requeue_list);
void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
bool blk_mq_complete_request(struct request *rq);
+void blk_mq_force_complete_rq(struct request *rq);
bool blk_mq_bio_list_merge(struct request_queue *q, struct list_head *list,
struct bio *bio, unsigned int nr_segs);
bool blk_mq_queue_stopped(struct request_queue *q);
@@ -508,6 +519,7 @@ void blk_mq_unquiesce_queue(struct request_queue *q);
void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async);
void blk_mq_run_hw_queues(struct request_queue *q, bool async);
+void blk_mq_delay_run_hw_queues(struct request_queue *q, unsigned long msecs);
void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset,
busy_tag_iter_fn *fn, void *priv);
void blk_mq_tagset_wait_completed_request(struct blk_mq_tag_set *tagset);
@@ -577,4 +589,6 @@ static inline void blk_mq_cleanup_rq(struct request *rq)
rq->q->mq_ops->cleanup_rq(rq);
}
+blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio);
+
#endif
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 31eb92876be7..ccb895f911b1 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -18,6 +18,7 @@ struct block_device;
struct io_context;
struct cgroup_subsys_state;
typedef void (bio_end_io_t) (struct bio *);
+struct bio_crypt_ctx;
/*
* Block error status values. See block/blk-core:blk_errors for the details.
@@ -63,6 +64,18 @@ typedef u8 __bitwise blk_status_t;
*/
#define BLK_STS_DEV_RESOURCE ((__force blk_status_t)13)
+/*
+ * BLK_STS_ZONE_RESOURCE is returned from the driver to the block layer if zone
+ * related resources are unavailable, but the driver can guarantee the queue
+ * will be rerun in the future once the resources become available again.
+ *
+ * This is different from BLK_STS_DEV_RESOURCE in that it explicitly references
+ * a zone specific resource and IO to a different zone on the same device could
+ * still be served. Examples of that are zones that are write-locked, but a read
+ * to the same zone could be served.
+ */
+#define BLK_STS_ZONE_RESOURCE ((__force blk_status_t)14)
+
/**
* blk_path_error - returns true if error may be path related
* @error: status the request was completed with
@@ -173,6 +186,11 @@ struct bio {
u64 bi_iocost_cost;
#endif
#endif
+
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ struct bio_crypt_ctx *bi_crypt_context;
+#endif
+
union {
#if defined(CONFIG_BLK_DEV_INTEGRITY)
struct bio_integrity_payload *bi_integrity; /* data integrity */
@@ -220,7 +238,7 @@ enum {
* throttling rules. Don't do it again. */
BIO_TRACE_COMPLETION, /* bio_endio() should trace the final completion
* of this bio. */
- BIO_QUEUE_ENTERED, /* can use blk_queue_enter_live() */
+ BIO_CGROUP_ACCT, /* has been accounted to a cgroup */
BIO_TRACKED, /* set if bio goes through the rq_qos path */
BIO_FLAG_LAST
};
@@ -296,6 +314,8 @@ enum req_opf {
REQ_OP_ZONE_CLOSE = 11,
/* Transition a zone to full */
REQ_OP_ZONE_FINISH = 12,
+ /* write data at the current zone write pointer */
+ REQ_OP_ZONE_APPEND = 13,
/* SCSI passthrough using struct scsi_request */
REQ_OP_SCSI_IN = 32,
@@ -323,7 +343,6 @@ enum req_flag_bits {
__REQ_RAHEAD, /* read ahead, can fail anytime */
__REQ_BACKGROUND, /* background IO */
__REQ_NOWAIT, /* Don't wait if request will block */
- __REQ_NOWAIT_INLINE, /* Return would-block error inline */
/*
* When a shared kthread needs to issue a bio for a cgroup, doing
* so synchronously can lead to priority inversions as the kthread
@@ -358,7 +377,6 @@ enum req_flag_bits {
#define REQ_RAHEAD (1ULL << __REQ_RAHEAD)
#define REQ_BACKGROUND (1ULL << __REQ_BACKGROUND)
#define REQ_NOWAIT (1ULL << __REQ_NOWAIT)
-#define REQ_NOWAIT_INLINE (1ULL << __REQ_NOWAIT_INLINE)
#define REQ_CGROUP_PUNT (1ULL << __REQ_CGROUP_PUNT)
#define REQ_NOUNMAP (1ULL << __REQ_NOUNMAP)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 32868fbedc9e..8fd900998b4e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -43,6 +43,7 @@ struct pr_ops;
struct rq_qos;
struct blk_queue_stats;
struct blk_stat_callback;
+struct blk_keyslot_manager;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
@@ -82,8 +83,6 @@ typedef __u32 __bitwise req_flags_t;
/* set for "ide_preempt" requests and also for requests for which the SCSI
"quiesce" state must be ignored. */
#define RQF_PREEMPT ((__force req_flags_t)(1 << 8))
-/* contains copies of user pages */
-#define RQF_COPY_USER ((__force req_flags_t)(1 << 9))
/* vaguely specified driver internal error. Ignored by the block layer */
#define RQF_FAILED ((__force req_flags_t)(1 << 10))
/* don't warn about errors */
@@ -223,11 +222,14 @@ struct request {
unsigned short nr_integrity_segments;
#endif
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ struct bio_crypt_ctx *crypt_ctx;
+ struct blk_ksm_keyslot *crypt_keyslot;
+#endif
+
unsigned short write_hint;
unsigned short ioprio;
- unsigned int extra_len; /* length of alignment and padding */
-
enum mq_rq_state state;
refcount_t ref;
@@ -290,7 +292,6 @@ struct blk_queue_ctx;
typedef blk_qc_t (make_request_fn) (struct request_queue *q, struct bio *bio);
struct bio_vec;
-typedef int (dma_drain_needed_fn)(struct request *);
enum blk_eh_timer_return {
BLK_EH_DONE, /* drivers has completed the command */
@@ -336,6 +337,7 @@ struct queue_limits {
unsigned int max_hw_discard_sectors;
unsigned int max_write_same_sectors;
unsigned int max_write_zeroes_sectors;
+ unsigned int max_zone_append_sectors;
unsigned int discard_granularity;
unsigned int discard_alignment;
@@ -361,7 +363,8 @@ unsigned int blkdev_nr_zones(struct gendisk *disk);
extern int blkdev_zone_mgmt(struct block_device *bdev, enum req_opf op,
sector_t sectors, sector_t nr_sectors,
gfp_t gfp_mask);
-extern int blk_revalidate_disk_zones(struct gendisk *disk);
+int blk_revalidate_disk_zones(struct gendisk *disk,
+ void (*update_driver_data)(struct gendisk *disk));
extern int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
@@ -399,7 +402,6 @@ struct request_queue {
struct rq_qos *rq_qos;
make_request_fn *make_request_fn;
- dma_drain_needed_fn *dma_drain_needed;
const struct blk_mq_ops *mq_ops;
@@ -469,11 +471,14 @@ struct request_queue {
*/
unsigned long nr_requests; /* Max # of requests */
- unsigned int dma_drain_size;
- void *dma_drain_buffer;
unsigned int dma_pad_mask;
unsigned int dma_alignment;
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+ /* Inline crypto capabilities */
+ struct blk_keyslot_manager *ksm;
+#endif
+
unsigned int rq_timeout;
int poll_nsec;
@@ -729,6 +734,16 @@ static inline unsigned int blk_queue_nr_zones(struct request_queue *q)
{
return 0;
}
+static inline bool blk_queue_zone_is_seq(struct request_queue *q,
+ sector_t sector)
+{
+ return false;
+}
+static inline unsigned int blk_queue_zone_no(struct request_queue *q,
+ sector_t sector)
+{
+ return 0;
+}
#endif /* CONFIG_BLK_DEV_ZONED */
static inline bool rq_is_sync(struct request *rq)
@@ -747,6 +762,9 @@ static inline bool rq_mergeable(struct request *rq)
if (req_op(rq) == REQ_OP_WRITE_ZEROES)
return false;
+ if (req_op(rq) == REQ_OP_ZONE_APPEND)
+ return false;
+
if (rq->cmd_flags & REQ_NOMERGE_FLAGS)
return false;
if (rq->rq_flags & RQF_NOMERGE_FLAGS)
@@ -1081,6 +1099,8 @@ extern void blk_queue_max_write_same_sectors(struct request_queue *q,
extern void blk_queue_max_write_zeroes_sectors(struct request_queue *q,
unsigned int max_write_same_sectors);
extern void blk_queue_logical_block_size(struct request_queue *, unsigned int);
+extern void blk_queue_max_zone_append_sectors(struct request_queue *q,
+ unsigned int max_zone_append_sectors);
extern void blk_queue_physical_block_size(struct request_queue *, unsigned int);
extern void blk_queue_alignment_offset(struct request_queue *q,
unsigned int alignment);
@@ -1099,9 +1119,6 @@ extern void disk_stack_limits(struct gendisk *disk, struct block_device *bdev,
sector_t offset);
extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b);
extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
-extern int blk_queue_dma_drain(struct request_queue *q,
- dma_drain_needed_fn *dma_drain_needed,
- void *buf, unsigned int size);
extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
extern void blk_queue_virt_boundary(struct request_queue *, unsigned long);
extern void blk_queue_dma_alignment(struct request_queue *, int);
@@ -1138,7 +1155,15 @@ static inline unsigned short blk_rq_nr_discard_segments(struct request *rq)
return max_t(unsigned short, rq->nr_phys_segments, 1);
}
-extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatterlist *);
+int __blk_rq_map_sg(struct request_queue *q, struct request *rq,
+ struct scatterlist *sglist, struct scatterlist **last_sg);
+static inline int blk_rq_map_sg(struct request_queue *q, struct request *rq,
+ struct scatterlist *sglist)
+{
+ struct scatterlist *last_sg = NULL;
+
+ return __blk_rq_map_sg(q, rq, sglist, &last_sg);
+}
extern void blk_dump_rq_flags(struct request *, char *);
extern long nr_blockdev_pages(void);
@@ -1206,7 +1231,9 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
!list_empty(&plug->cb_list));
}
-extern int blkdev_issue_flush(struct block_device *, gfp_t, sector_t *);
+extern void blk_io_schedule(void);
+
+int blkdev_issue_flush(struct block_device *, gfp_t);
extern int blkdev_issue_write_same(struct block_device *bdev, sector_t sector,
sector_t nr_sects, gfp_t gfp_mask, struct page *page);
@@ -1293,6 +1320,11 @@ static inline unsigned int queue_max_segment_size(const struct request_queue *q)
return q->limits.max_segment_size;
}
+static inline unsigned int queue_max_zone_append_sectors(const struct request_queue *q)
+{
+ return q->limits.max_zone_append_sectors;
+}
+
static inline unsigned queue_logical_block_size(const struct request_queue *q)
{
int retval = 512;
@@ -1551,6 +1583,12 @@ struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
return blk_get_integrity(bdev->bd_disk);
}
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return q->integrity.profile;
+}
+
static inline bool blk_integrity_rq(struct request *rq)
{
return rq->cmd_flags & REQ_INTEGRITY;
@@ -1631,6 +1669,11 @@ static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
{
return NULL;
}
+static inline bool
+blk_integrity_queue_supports_integrity(struct request_queue *q)
+{
+ return false;
+}
static inline int blk_integrity_compare(struct gendisk *a, struct gendisk *b)
{
return 0;
@@ -1682,6 +1725,25 @@ static inline struct bio_vec *rq_integrity_vec(struct request *rq)
#endif /* CONFIG_BLK_DEV_INTEGRITY */
+#ifdef CONFIG_BLK_INLINE_ENCRYPTION
+
+bool blk_ksm_register(struct blk_keyslot_manager *ksm, struct request_queue *q);
+
+void blk_ksm_unregister(struct request_queue *q);
+
+#else /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+static inline bool blk_ksm_register(struct blk_keyslot_manager *ksm,
+ struct request_queue *q)
+{
+ return true;
+}
+
+static inline void blk_ksm_unregister(struct request_queue *q) { }
+
+#endif /* CONFIG_BLK_INLINE_ENCRYPTION */
+
+
struct block_device_operations {
int (*open) (struct block_device *, fmode_t);
void (*release) (struct gendisk *, fmode_t);
@@ -1719,6 +1781,7 @@ extern int bdev_write_page(struct block_device *, sector_t, struct page *,
#ifdef CONFIG_BLK_DEV_ZONED
bool blk_req_needs_zone_write_lock(struct request *rq);
+bool blk_req_zone_write_trylock(struct request *rq);
void __blk_req_zone_write_lock(struct request *rq);
void __blk_req_zone_write_unlock(struct request *rq);
@@ -1809,8 +1872,7 @@ static inline bool blk_needs_flush_plug(struct task_struct *tsk)
return false;
}
-static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
- sector_t *error_sector)
+static inline int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask)
{
return 0;
}
@@ -1830,4 +1892,32 @@ static inline void blk_wake_io_task(struct task_struct *waiter)
wake_up_process(waiter);
}
+#ifdef CONFIG_BLOCK
+unsigned long disk_start_io_acct(struct gendisk *disk, unsigned int sectors,
+ unsigned int op);
+void disk_end_io_acct(struct gendisk *disk, unsigned int op,
+ unsigned long start_time);
+
+/**
+ * bio_start_io_acct - start I/O accounting for bio based drivers
+ * @bio: bio to start account for
+ *
+ * Returns the start time that should be passed back to bio_end_io_acct().
+ */
+static inline unsigned long bio_start_io_acct(struct bio *bio)
+{
+ return disk_start_io_acct(bio->bi_disk, bio_sectors(bio), bio_op(bio));
+}
+
+/**
+ * bio_end_io_acct - end I/O accounting for bio based drivers
+ * @bio: bio to end account for
+ * @start: start time returned by bio_start_io_acct()
+ */
+static inline void bio_end_io_acct(struct bio *bio, unsigned long start_time)
+{
+ return disk_end_io_acct(bio->bi_disk, bio_op(bio), start_time);
+}
+#endif /* CONFIG_BLOCK */
+
#endif
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index c11b413d5b1a..c66c545e161a 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -57,8 +57,6 @@ struct bpf_cgroup_link {
enum bpf_attach_type type;
};
-extern const struct bpf_link_ops bpf_cgroup_link_lops;
-
struct bpf_prog_list {
struct list_head node;
struct bpf_prog *prog;
@@ -100,8 +98,6 @@ int __cgroup_bpf_attach(struct cgroup *cgrp,
int __cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
struct bpf_cgroup_link *link,
enum bpf_attach_type type);
-int __cgroup_bpf_replace(struct cgroup *cgrp, struct bpf_cgroup_link *link,
- struct bpf_prog *new_prog);
int __cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
union bpf_attr __user *uattr);
@@ -112,8 +108,6 @@ int cgroup_bpf_attach(struct cgroup *cgrp,
u32 flags);
int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
enum bpf_attach_type type);
-int cgroup_bpf_replace(struct bpf_link *link, struct bpf_prog *old_prog,
- struct bpf_prog *new_prog);
int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr,
union bpf_attr __user *uattr);
@@ -138,8 +132,7 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
struct ctl_table *table, int write,
- void __user *buf, size_t *pcount,
- loff_t *ppos, void **new_buf,
+ void **buf, size_t *pcount, loff_t *ppos,
enum bpf_attach_type type);
int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level,
@@ -302,12 +295,12 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
})
-#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos, nbuf) \
+#define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \
({ \
int __ret = 0; \
if (cgroup_bpf_enabled) \
__ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \
- buf, count, pos, nbuf, \
+ buf, count, pos, \
BPF_CGROUP_SYSCTL); \
__ret; \
})
@@ -354,7 +347,6 @@ int cgroup_bpf_prog_query(const union bpf_attr *attr,
#else
struct bpf_prog;
-struct bpf_link;
struct cgroup_bpf {};
static inline int cgroup_bpf_inherit(struct cgroup *cgrp) { return 0; }
static inline void cgroup_bpf_offline(struct cgroup *cgrp) {}
@@ -378,13 +370,6 @@ static inline int cgroup_bpf_link_attach(const union bpf_attr *attr,
return -EINVAL;
}
-static inline int cgroup_bpf_replace(struct bpf_link *link,
- struct bpf_prog *old_prog,
- struct bpf_prog *new_prog)
-{
- return -EINVAL;
-}
-
static inline int cgroup_bpf_prog_query(const union bpf_attr *attr,
union bpf_attr __user *uattr)
{
@@ -411,6 +396,7 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
}
#define cgroup_bpf_enabled (0)
+#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) ({ 0; })
#define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0)
#define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; })
#define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; })
@@ -429,7 +415,7 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map,
#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; })
-#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos,nbuf) ({ 0; })
+#define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; })
#define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; })
#define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \
optlen, max_optlen, retval) ({ retval; })
diff --git a/include/linux/bpf-netns.h b/include/linux/bpf-netns.h
new file mode 100644
index 000000000000..4052d649f36d
--- /dev/null
+++ b/include/linux/bpf-netns.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BPF_NETNS_H
+#define _BPF_NETNS_H
+
+#include <linux/mutex.h>
+#include <uapi/linux/bpf.h>
+
+enum netns_bpf_attach_type {
+ NETNS_BPF_INVALID = -1,
+ NETNS_BPF_FLOW_DISSECTOR = 0,
+ MAX_NETNS_BPF_ATTACH_TYPE
+};
+
+static inline enum netns_bpf_attach_type
+to_netns_bpf_attach_type(enum bpf_attach_type attach_type)
+{
+ switch (attach_type) {
+ case BPF_FLOW_DISSECTOR:
+ return NETNS_BPF_FLOW_DISSECTOR;
+ default:
+ return NETNS_BPF_INVALID;
+ }
+}
+
+/* Protects updates to netns_bpf */
+extern struct mutex netns_bpf_mutex;
+
+union bpf_attr;
+struct bpf_prog;
+
+#ifdef CONFIG_NET
+int netns_bpf_prog_query(const union bpf_attr *attr,
+ union bpf_attr __user *uattr);
+int netns_bpf_prog_attach(const union bpf_attr *attr,
+ struct bpf_prog *prog);
+int netns_bpf_prog_detach(const union bpf_attr *attr);
+int netns_bpf_link_create(const union bpf_attr *attr,
+ struct bpf_prog *prog);
+#else
+static inline int netns_bpf_prog_query(const union bpf_attr *attr,
+ union bpf_attr __user *uattr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
+ struct bpf_prog *prog)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int netns_bpf_prog_detach(const union bpf_attr *attr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int netns_bpf_link_create(const union bpf_attr *attr,
+ struct bpf_prog *prog)
+{
+ return -EOPNOTSUPP;
+}
+#endif
+
+#endif /* _BPF_NETNS_H */
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index fd2b2322412d..07052d44bca1 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -19,6 +19,7 @@
#include <linux/mutex.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
+#include <linux/capability.h>
struct bpf_verifier_env;
struct bpf_verifier_log;
@@ -31,6 +32,7 @@ struct seq_file;
struct btf;
struct btf_type;
struct exception_table_entry;
+struct seq_operations;
extern struct idr btf_idr;
extern spinlock_t btf_idr_lock;
@@ -88,6 +90,8 @@ struct bpf_map_ops {
int (*map_direct_value_meta)(const struct bpf_map *map,
u64 imm, u32 *off);
int (*map_mmap)(struct bpf_map *map, struct vm_area_struct *vma);
+ __poll_t (*map_poll)(struct bpf_map *map, struct file *filp,
+ struct poll_table_struct *pts);
};
struct bpf_map_memory {
@@ -118,7 +122,7 @@ struct bpf_map {
struct bpf_map_memory memory;
char name[BPF_OBJ_NAME_LEN];
u32 btf_vmlinux_value_type_id;
- bool unpriv_array;
+ bool bypass_spec_v1;
bool frozen; /* write-once; write-protected by freeze_mutex */
/* 22 bytes hole */
@@ -242,6 +246,9 @@ enum bpf_arg_type {
ARG_PTR_TO_LONG, /* pointer to long */
ARG_PTR_TO_SOCKET, /* pointer to bpf_sock (fullsock) */
ARG_PTR_TO_BTF_ID, /* pointer to in-kernel struct */
+ ARG_PTR_TO_ALLOC_MEM, /* pointer to dynamically allocated memory */
+ ARG_PTR_TO_ALLOC_MEM_OR_NULL, /* pointer to dynamically allocated memory or NULL */
+ ARG_CONST_ALLOC_SIZE_OR_ZERO, /* number of allocated bytes requested */
};
/* type of values returned from helper functions */
@@ -253,6 +260,7 @@ enum bpf_return_type {
RET_PTR_TO_SOCKET_OR_NULL, /* returns a pointer to a socket or NULL */
RET_PTR_TO_TCP_SOCK_OR_NULL, /* returns a pointer to a tcp_sock or NULL */
RET_PTR_TO_SOCK_COMMON_OR_NULL, /* returns a pointer to a sock_common or NULL */
+ RET_PTR_TO_ALLOC_MEM_OR_NULL, /* returns a pointer to dynamically allocated memory or NULL */
};
/* eBPF function prototype used by verifier to allow BPF_CALLs from eBPF programs
@@ -319,6 +327,9 @@ enum bpf_reg_type {
PTR_TO_TP_BUFFER, /* reg points to a writable raw tp's buffer */
PTR_TO_XDP_SOCK, /* reg points to struct xdp_sock */
PTR_TO_BTF_ID, /* reg points to kernel struct */
+ PTR_TO_BTF_ID_OR_NULL, /* reg points to kernel struct or NULL */
+ PTR_TO_MEM, /* reg points to valid memory region */
+ PTR_TO_MEM_OR_NULL, /* reg points to valid memory region or NULL */
};
/* The information passed from prog-specific *_is_valid_access
@@ -641,6 +652,12 @@ struct bpf_jit_poke_descriptor {
u16 reason;
};
+/* reg_type info for ctx arguments */
+struct bpf_ctx_arg_aux {
+ u32 offset;
+ enum bpf_reg_type reg_type;
+};
+
struct bpf_prog_aux {
atomic64_t refcnt;
u32 used_map_cnt;
@@ -652,6 +669,8 @@ struct bpf_prog_aux {
u32 func_cnt; /* used by non-func prog as the number of func progs */
u32 func_idx; /* 0 for non-func prog, the index in func array for func prog */
u32 attach_btf_id; /* in-kernel BTF type id to attach to */
+ u32 ctx_arg_info_size;
+ const struct bpf_ctx_arg_aux *ctx_arg_info;
struct bpf_prog *linked_prog;
bool verifier_zext; /* Zero extensions has been inserted by verifier. */
bool offload_requested;
@@ -987,6 +1006,7 @@ _out: \
#ifdef CONFIG_BPF_SYSCALL
DECLARE_PER_CPU(int, bpf_prog_active);
+extern struct mutex bpf_stats_enabled_mutex;
/*
* Block execution of BPF programs attached to instrumentation (perf,
@@ -1020,15 +1040,18 @@ static inline void bpf_enable_instrumentation(void)
extern const struct file_operations bpf_map_fops;
extern const struct file_operations bpf_prog_fops;
+extern const struct file_operations bpf_iter_fops;
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
extern const struct bpf_prog_ops _name ## _prog_ops; \
extern const struct bpf_verifier_ops _name ## _verifier_ops;
#define BPF_MAP_TYPE(_id, _ops) \
extern const struct bpf_map_ops _ops;
+#define BPF_LINK_TYPE(_id, _name)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
extern const struct bpf_prog_ops bpf_offload_prog_ops;
extern const struct bpf_verifier_ops tc_cls_act_analyzer_ops;
@@ -1077,29 +1100,59 @@ int generic_map_update_batch(struct bpf_map *map,
int generic_map_delete_batch(struct bpf_map *map,
const union bpf_attr *attr,
union bpf_attr __user *uattr);
+struct bpf_map *bpf_map_get_curr_or_next(u32 *id);
extern int sysctl_unprivileged_bpf_disabled;
+static inline bool bpf_allow_ptr_leaks(void)
+{
+ return perfmon_capable();
+}
+
+static inline bool bpf_bypass_spec_v1(void)
+{
+ return perfmon_capable();
+}
+
+static inline bool bpf_bypass_spec_v4(void)
+{
+ return perfmon_capable();
+}
+
int bpf_map_new_fd(struct bpf_map *map, int flags);
int bpf_prog_new_fd(struct bpf_prog *prog);
struct bpf_link {
atomic64_t refcnt;
+ u32 id;
+ enum bpf_link_type type;
const struct bpf_link_ops *ops;
struct bpf_prog *prog;
struct work_struct work;
};
+struct bpf_link_primer {
+ struct bpf_link *link;
+ struct file *file;
+ int fd;
+ u32 id;
+};
+
struct bpf_link_ops {
void (*release)(struct bpf_link *link);
void (*dealloc)(struct bpf_link *link);
-
+ int (*update_prog)(struct bpf_link *link, struct bpf_prog *new_prog,
+ struct bpf_prog *old_prog);
+ void (*show_fdinfo)(const struct bpf_link *link, struct seq_file *seq);
+ int (*fill_link_info)(const struct bpf_link *link,
+ struct bpf_link_info *info);
};
-void bpf_link_init(struct bpf_link *link, const struct bpf_link_ops *ops,
- struct bpf_prog *prog);
-void bpf_link_cleanup(struct bpf_link *link, struct file *link_file,
- int link_fd);
+void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
+ const struct bpf_link_ops *ops, struct bpf_prog *prog);
+int bpf_link_prime(struct bpf_link *link, struct bpf_link_primer *primer);
+int bpf_link_settle(struct bpf_link_primer *primer);
+void bpf_link_cleanup(struct bpf_link_primer *primer);
void bpf_link_inc(struct bpf_link *link);
void bpf_link_put(struct bpf_link *link);
int bpf_link_new_fd(struct bpf_link *link);
@@ -1109,6 +1162,40 @@ struct bpf_link *bpf_link_get_from_fd(u32 ufd);
int bpf_obj_pin_user(u32 ufd, const char __user *pathname);
int bpf_obj_get_user(const char __user *pathname, int flags);
+#define BPF_ITER_FUNC_PREFIX "bpf_iter_"
+#define DEFINE_BPF_ITER_FUNC(target, args...) \
+ extern int bpf_iter_ ## target(args); \
+ int __init bpf_iter_ ## target(args) { return 0; }
+
+typedef int (*bpf_iter_init_seq_priv_t)(void *private_data);
+typedef void (*bpf_iter_fini_seq_priv_t)(void *private_data);
+
+#define BPF_ITER_CTX_ARG_MAX 2
+struct bpf_iter_reg {
+ const char *target;
+ const struct seq_operations *seq_ops;
+ bpf_iter_init_seq_priv_t init_seq_private;
+ bpf_iter_fini_seq_priv_t fini_seq_private;
+ u32 seq_priv_size;
+ u32 ctx_arg_info_size;
+ struct bpf_ctx_arg_aux ctx_arg_info[BPF_ITER_CTX_ARG_MAX];
+};
+
+struct bpf_iter_meta {
+ __bpf_md_ptr(struct seq_file *, seq);
+ u64 session_id;
+ u64 seq_num;
+};
+
+int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info);
+void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info);
+bool bpf_iter_prog_supported(struct bpf_prog *prog);
+int bpf_iter_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
+int bpf_iter_new_fd(struct bpf_link *link);
+bool bpf_link_is_iter(struct bpf_link *link);
+struct bpf_prog *bpf_iter_get_info(struct bpf_iter_meta *meta, bool in_stop);
+int bpf_iter_run_prog(struct bpf_prog *prog, void *ctx);
+
int bpf_percpu_hash_copy(struct bpf_map *map, void *key, void *value);
int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value);
int bpf_percpu_hash_update(struct bpf_map *map, void *key, void *value,
@@ -1163,6 +1250,7 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
struct net_device *dev_rx);
int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb,
struct bpf_prog *xdp_prog);
+bool dev_map_can_have_prog(struct bpf_map *map);
struct bpf_cpu_map_entry *__cpu_map_lookup_elem(struct bpf_map *map, u32 key);
void __cpu_map_flush(void);
@@ -1215,6 +1303,7 @@ int btf_check_type_match(struct bpf_verifier_env *env, struct bpf_prog *prog,
struct bpf_prog *bpf_prog_by_id(u32 id);
+const struct bpf_func_proto *bpf_base_func_proto(enum bpf_func_id func_id);
#else /* !CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get(u32 ufd)
{
@@ -1275,6 +1364,10 @@ static inline struct net_device *__dev_map_hash_lookup_elem(struct bpf_map *map
{
return NULL;
}
+static inline bool dev_map_can_have_prog(struct bpf_map *map)
+{
+ return false;
+}
static inline void __dev_flush(void)
{
@@ -1365,6 +1458,12 @@ static inline struct bpf_prog *bpf_prog_by_id(u32 id)
{
return ERR_PTR(-ENOTSUPP);
}
+
+static inline const struct bpf_func_proto *
+bpf_base_func_proto(enum bpf_func_id func_id)
+{
+ return NULL;
+}
#endif /* CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
@@ -1502,6 +1601,7 @@ extern const struct bpf_func_proto bpf_get_smp_processor_id_proto;
extern const struct bpf_func_proto bpf_get_numa_node_id_proto;
extern const struct bpf_func_proto bpf_tail_call_proto;
extern const struct bpf_func_proto bpf_ktime_get_ns_proto;
+extern const struct bpf_func_proto bpf_ktime_get_boot_ns_proto;
extern const struct bpf_func_proto bpf_get_current_pid_tgid_proto;
extern const struct bpf_func_proto bpf_get_current_uid_gid_proto;
extern const struct bpf_func_proto bpf_get_current_comm_proto;
@@ -1523,13 +1623,23 @@ extern const struct bpf_func_proto bpf_strtoul_proto;
extern const struct bpf_func_proto bpf_tcp_sock_proto;
extern const struct bpf_func_proto bpf_jiffies64_proto;
extern const struct bpf_func_proto bpf_get_ns_current_pid_tgid_proto;
+extern const struct bpf_func_proto bpf_event_output_data_proto;
+extern const struct bpf_func_proto bpf_ringbuf_output_proto;
+extern const struct bpf_func_proto bpf_ringbuf_reserve_proto;
+extern const struct bpf_func_proto bpf_ringbuf_submit_proto;
+extern const struct bpf_func_proto bpf_ringbuf_discard_proto;
+extern const struct bpf_func_proto bpf_ringbuf_query_proto;
const struct bpf_func_proto *bpf_tracing_func_proto(
enum bpf_func_id func_id, const struct bpf_prog *prog);
+const struct bpf_func_proto *tracing_prog_func_proto(
+ enum bpf_func_id func_id, const struct bpf_prog *prog);
+
/* Shared helpers among cBPF and eBPF. */
void bpf_user_rnd_init_once(void);
u64 bpf_user_rnd_u32(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
+u64 bpf_get_raw_cpu_id(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
#if defined(CONFIG_NET)
bool bpf_sock_common_is_valid_access(int off, int size,
diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h
index ba0c2d56f8a3..a18ae82a298a 100644
--- a/include/linux/bpf_types.h
+++ b/include/linux/bpf_types.h
@@ -118,3 +118,14 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_STACK, stack_map_ops)
#if defined(CONFIG_BPF_JIT)
BPF_MAP_TYPE(BPF_MAP_TYPE_STRUCT_OPS, bpf_struct_ops_map_ops)
#endif
+BPF_MAP_TYPE(BPF_MAP_TYPE_RINGBUF, ringbuf_map_ops)
+
+BPF_LINK_TYPE(BPF_LINK_TYPE_RAW_TRACEPOINT, raw_tracepoint)
+BPF_LINK_TYPE(BPF_LINK_TYPE_TRACING, tracing)
+#ifdef CONFIG_CGROUP_BPF
+BPF_LINK_TYPE(BPF_LINK_TYPE_CGROUP, cgroup)
+#endif
+BPF_LINK_TYPE(BPF_LINK_TYPE_ITER, iter)
+#ifdef CONFIG_NET
+BPF_LINK_TYPE(BPF_LINK_TYPE_NETNS, netns)
+#endif
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 6abd5a778fcd..ca08db4ffb5f 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -54,6 +54,8 @@ struct bpf_reg_state {
u32 btf_id; /* for PTR_TO_BTF_ID */
+ u32 mem_size; /* for PTR_TO_MEM | PTR_TO_MEM_OR_NULL */
+
/* Max size from any of the above. */
unsigned long raw;
};
@@ -63,6 +65,8 @@ struct bpf_reg_state {
* offset, so they can share range knowledge.
* For PTR_TO_MAP_VALUE_OR_NULL this is used to share which map value we
* came from, when one is tested for != NULL.
+ * For PTR_TO_MEM_OR_NULL this is used to identify memory allocation
+ * for the purpose of tracking that it's freed.
* For PTR_TO_SOCKET this is used to share which pointers retain the
* same reference to the socket, to determine proper reference freeing.
*/
@@ -375,6 +379,9 @@ struct bpf_verifier_env {
u32 used_map_cnt; /* number of used maps */
u32 id_gen; /* used to generate unique reg IDs */
bool allow_ptr_leaks;
+ bool bpf_capable;
+ bool bypass_spec_v1;
+ bool bypass_spec_v4;
bool seen_direct_write;
struct bpf_insn_aux_data *insn_aux_data; /* array of per-insn state */
const struct bpf_line_info *prev_linfo;
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index 6462c5447872..6ad4c000661a 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -15,7 +15,9 @@
#define PHY_ID_BCMAC131 0x0143bc70
#define PHY_ID_BCM5481 0x0143bca0
#define PHY_ID_BCM5395 0x0143bcf0
+#define PHY_ID_BCM53125 0x03625f20
#define PHY_ID_BCM54810 0x03625d00
+#define PHY_ID_BCM54811 0x03625cc0
#define PHY_ID_BCM5482 0x0143bcb0
#define PHY_ID_BCM5411 0x00206070
#define PHY_ID_BCM5421 0x002060e0
@@ -24,6 +26,7 @@
#define PHY_ID_BCM5461 0x002060c0
#define PHY_ID_BCM54612E 0x03625e60
#define PHY_ID_BCM54616S 0x03625d10
+#define PHY_ID_BCM54140 0xae025009
#define PHY_ID_BCM57780 0x03625d90
#define PHY_ID_BCM89610 0x03625cd0
@@ -114,6 +117,14 @@
#define MII_BCM54XX_SHD_VAL(x) ((x & 0x1f) << 10)
#define MII_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0)
+#define MII_BCM54XX_RDB_ADDR 0x1e
+#define MII_BCM54XX_RDB_DATA 0x1f
+
+/* legacy access control via rdb/expansion register */
+#define BCM54XX_RDB_REG0087 0x0087
+#define BCM54XX_EXP_REG7E (MII_BCM54XX_EXP_SEL_ER + 0x7E)
+#define BCM54XX_ACCESS_MODE_LEGACY_EN BIT(15)
+
/*
* AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18)
*/
@@ -245,6 +256,7 @@
#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN (1 << 0)
#define BCM54810_SHD_CLK_CTL 0x3
#define BCM54810_SHD_CLK_CTL_GTXCLK_EN (1 << 9)
+#define BCM54810_SHD_SCR3_TRDDAPD 0x0100
/* BCM54612E Registers */
#define BCM54612E_EXP_SPARE0 (MII_BCM54XX_EXP_SEL_ETC + 0x34)
@@ -289,4 +301,51 @@
#define MII_BRCM_CORE_EXPB0 0xB0
#define MII_BRCM_CORE_EXPB1 0xB1
+/* Enhanced Cable Diagnostics */
+#define BCM54XX_RDB_ECD_CTRL 0x2a0
+#define BCM54XX_EXP_ECD_CTRL (MII_BCM54XX_EXP_SEL_ER + 0xc0)
+
+#define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT3 1 /* CAT3 or worse */
+#define BCM54XX_ECD_CTRL_CABLE_TYPE_CAT5 0 /* CAT5 or better */
+#define BCM54XX_ECD_CTRL_CABLE_TYPE_MASK BIT(0) /* cable type */
+#define BCM54XX_ECD_CTRL_INVALID BIT(3) /* invalid result */
+#define BCM54XX_ECD_CTRL_UNIT_CM 0 /* centimeters */
+#define BCM54XX_ECD_CTRL_UNIT_M 1 /* meters */
+#define BCM54XX_ECD_CTRL_UNIT_MASK BIT(10) /* cable length unit */
+#define BCM54XX_ECD_CTRL_IN_PROGRESS BIT(11) /* test in progress */
+#define BCM54XX_ECD_CTRL_BREAK_LINK BIT(12) /* unconnect link
+ * during test
+ */
+#define BCM54XX_ECD_CTRL_CROSS_SHORT_DIS BIT(13) /* disable inter-pair
+ * short check
+ */
+#define BCM54XX_ECD_CTRL_RUN BIT(15) /* run immediate */
+
+#define BCM54XX_RDB_ECD_FAULT_TYPE 0x2a1
+#define BCM54XX_EXP_ECD_FAULT_TYPE (MII_BCM54XX_EXP_SEL_ER + 0xc1)
+#define BCM54XX_ECD_FAULT_TYPE_INVALID 0x0
+#define BCM54XX_ECD_FAULT_TYPE_OK 0x1
+#define BCM54XX_ECD_FAULT_TYPE_OPEN 0x2
+#define BCM54XX_ECD_FAULT_TYPE_SAME_SHORT 0x3 /* short same pair */
+#define BCM54XX_ECD_FAULT_TYPE_CROSS_SHORT 0x4 /* short different pairs */
+#define BCM54XX_ECD_FAULT_TYPE_BUSY 0x9
+#define BCM54XX_ECD_FAULT_TYPE_PAIR_D_MASK GENMASK(3, 0)
+#define BCM54XX_ECD_FAULT_TYPE_PAIR_C_MASK GENMASK(7, 4)
+#define BCM54XX_ECD_FAULT_TYPE_PAIR_B_MASK GENMASK(11, 8)
+#define BCM54XX_ECD_FAULT_TYPE_PAIR_A_MASK GENMASK(15, 12)
+#define BCM54XX_ECD_PAIR_A_LENGTH_RESULTS 0x2a2
+#define BCM54XX_ECD_PAIR_B_LENGTH_RESULTS 0x2a3
+#define BCM54XX_ECD_PAIR_C_LENGTH_RESULTS 0x2a4
+#define BCM54XX_ECD_PAIR_D_LENGTH_RESULTS 0x2a5
+
+#define BCM54XX_RDB_ECD_PAIR_A_LENGTH_RESULTS 0x2a2
+#define BCM54XX_EXP_ECD_PAIR_A_LENGTH_RESULTS (MII_BCM54XX_EXP_SEL_ER + 0xc2)
+#define BCM54XX_RDB_ECD_PAIR_B_LENGTH_RESULTS 0x2a3
+#define BCM54XX_EXP_ECD_PAIR_B_LENGTH_RESULTS (MII_BCM54XX_EXP_SEL_ER + 0xc3)
+#define BCM54XX_RDB_ECD_PAIR_C_LENGTH_RESULTS 0x2a4
+#define BCM54XX_EXP_ECD_PAIR_C_LENGTH_RESULTS (MII_BCM54XX_EXP_SEL_ER + 0xc4)
+#define BCM54XX_RDB_ECD_PAIR_D_LENGTH_RESULTS 0x2a5
+#define BCM54XX_EXP_ECD_PAIR_D_LENGTH_RESULTS (MII_BCM54XX_EXP_SEL_ER + 0xc5)
+#define BCM54XX_ECD_LENGTH_RESULTS_INVALID 0xffff
+
#endif /* _LINUX_BRCMPHY_H */
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 15b765a181b8..22fb11e2d2e0 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -272,14 +272,6 @@ void buffer_init(void);
* inline definitions
*/
-static inline void attach_page_buffers(struct page *page,
- struct buffer_head *head)
-{
- get_page(page);
- SetPagePrivate(page);
- set_page_private(page, (unsigned long)head);
-}
-
static inline void get_bh(struct buffer_head *bh)
{
atomic_inc(&bh->b_count);
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index a81c13ac1972..ac0c7299d5b8 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -12,8 +12,17 @@
#include <linux/errno.h>
#include <linux/mm.h>
-/*
- * was unsigned short, but we might as well be ready for > 64kB I/O pages
+/**
+ * struct bio_vec - a contiguous range of physical memory addresses
+ * @bv_page: First page associated with the address range.
+ * @bv_len: Number of bytes in the address range.
+ * @bv_offset: Start of the address range relative to the start of @bv_page.
+ *
+ * The following holds for a bvec if n * PAGE_SIZE < bv_offset + bv_len:
+ *
+ * nth_page(@bv_page, n) == @bv_page + n
+ *
+ * This holds because page_is_mergeable() checks the above property.
*/
struct bio_vec {
struct page *bv_page;
diff --git a/include/linux/capability.h b/include/linux/capability.h
index ecce0f43c73a..b4345b38a6be 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -251,6 +251,15 @@ extern bool privileged_wrt_inode_uidgid(struct user_namespace *ns, const struct
extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap);
extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap);
extern bool ptracer_capable(struct task_struct *tsk, struct user_namespace *ns);
+static inline bool perfmon_capable(void)
+{
+ return capable(CAP_PERFMON) || capable(CAP_SYS_ADMIN);
+}
+
+static inline bool bpf_capable(void)
+{
+ return capable(CAP_BPF) || capable(CAP_SYS_ADMIN);
+}
/* audit system wants to get cap info from files as well */
extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps);
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index 528271c60018..8543fa59da72 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -94,6 +94,11 @@ struct cdrom_device_ops {
struct packet_command *);
};
+int cdrom_multisession(struct cdrom_device_info *cdi,
+ struct cdrom_multisession *info);
+int cdrom_read_tocentry(struct cdrom_device_info *cdi,
+ struct cdrom_tocentry *entry);
+
/* the general block_device operations structure: */
extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode);
@@ -104,7 +109,7 @@ extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi,
unsigned int clearing);
extern int cdrom_media_changed(struct cdrom_device_info *);
-extern int register_cdrom(struct cdrom_device_info *cdi);
+extern int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi);
extern void unregister_cdrom(struct cdrom_device_info *cdi);
typedef struct {
diff --git a/include/linux/compaction.h b/include/linux/compaction.h
index 4b898cdbdf05..6fa0eea3f530 100644
--- a/include/linux/compaction.h
+++ b/include/linux/compaction.h
@@ -86,7 +86,7 @@ static inline unsigned long compact_gap(unsigned int order)
#ifdef CONFIG_COMPACTION
extern int sysctl_compact_memory;
extern int sysctl_compaction_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos);
+ void *buffer, size_t *length, loff_t *ppos);
extern int sysctl_extfrag_threshold;
extern int sysctl_compact_unevictable_allowed;
@@ -97,7 +97,7 @@ extern enum compact_result try_to_compact_pages(gfp_t gfp_mask,
struct page **page);
extern void reset_isolation_suitable(pg_data_t *pgdat);
extern enum compact_result compaction_suitable(struct zone *zone, int order,
- unsigned int alloc_flags, int classzone_idx);
+ unsigned int alloc_flags, int highest_zoneidx);
extern void defer_compaction(struct zone *zone, int order);
extern bool compaction_deferred(struct zone *zone, int order);
@@ -182,7 +182,7 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
extern int kcompactd_run(int nid);
extern void kcompactd_stop(int nid);
-extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx);
+extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx);
#else
static inline void reset_isolation_suitable(pg_data_t *pgdat)
@@ -190,7 +190,7 @@ static inline void reset_isolation_suitable(pg_data_t *pgdat)
}
static inline enum compact_result compaction_suitable(struct zone *zone, int order,
- int alloc_flags, int classzone_idx)
+ int alloc_flags, int highest_zoneidx)
{
return COMPACT_SKIPPED;
}
@@ -232,7 +232,8 @@ static inline void kcompactd_stop(int nid)
{
}
-static inline void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
+static inline void wakeup_kcompactd(pg_data_t *pgdat,
+ int order, int highest_zoneidx)
{
}
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 0480ba4db592..e90100c0de72 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -402,8 +402,15 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
unsigned long bitmap_size);
long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
unsigned long bitmap_size);
-int copy_siginfo_from_user32(kernel_siginfo_t *to, const struct compat_siginfo __user *from);
-int copy_siginfo_to_user32(struct compat_siginfo __user *to, const kernel_siginfo_t *from);
+void copy_siginfo_to_external32(struct compat_siginfo *to,
+ const struct kernel_siginfo *from);
+int copy_siginfo_from_user32(kernel_siginfo_t *to,
+ const struct compat_siginfo __user *from);
+int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const kernel_siginfo_t *from);
+#ifndef copy_siginfo_to_user32
+#define copy_siginfo_to_user32 __copy_siginfo_to_user32
+#endif
int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h
index 333a6695a918..790c0c6b8552 100644
--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -42,3 +42,7 @@
* compilers, like ICC.
*/
#define barrier() __asm__ __volatile__("" : : : "memory")
+
+#if __has_feature(shadow_call_stack)
+# define __noscs __attribute__((__no_sanitize__("shadow-call-stack")))
+#endif
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 034b0a644efc..6325d64e3c3b 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -120,12 +120,65 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val,
/* Annotate a C jump table to allow objtool to follow the code flow */
#define __annotate_jump_table __section(.rodata..c_jump_table)
+#ifdef CONFIG_DEBUG_ENTRY
+/* Begin/end of an instrumentation safe region */
+#define instrumentation_begin() ({ \
+ asm volatile("%c0:\n\t" \
+ ".pushsection .discard.instr_begin\n\t" \
+ ".long %c0b - .\n\t" \
+ ".popsection\n\t" : : "i" (__COUNTER__)); \
+})
+
+/*
+ * Because instrumentation_{begin,end}() can nest, objtool validation considers
+ * _begin() a +1 and _end() a -1 and computes a sum over the instructions.
+ * When the value is greater than 0, we consider instrumentation allowed.
+ *
+ * There is a problem with code like:
+ *
+ * noinstr void foo()
+ * {
+ * instrumentation_begin();
+ * ...
+ * if (cond) {
+ * instrumentation_begin();
+ * ...
+ * instrumentation_end();
+ * }
+ * bar();
+ * instrumentation_end();
+ * }
+ *
+ * If instrumentation_end() would be an empty label, like all the other
+ * annotations, the inner _end(), which is at the end of a conditional block,
+ * would land on the instruction after the block.
+ *
+ * If we then consider the sum of the !cond path, we'll see that the call to
+ * bar() is with a 0-value, even though, we meant it to happen with a positive
+ * value.
+ *
+ * To avoid this, have _end() be a NOP instruction, this ensures it will be
+ * part of the condition block and does not escape.
+ */
+#define instrumentation_end() ({ \
+ asm volatile("%c0: nop\n\t" \
+ ".pushsection .discard.instr_end\n\t" \
+ ".long %c0b - .\n\t" \
+ ".popsection\n\t" : : "i" (__COUNTER__)); \
+})
+#endif /* CONFIG_DEBUG_ENTRY */
+
#else
#define annotate_reachable()
#define annotate_unreachable()
#define __annotate_jump_table
#endif
+#ifndef instrumentation_begin
+#define instrumentation_begin() do { } while(0)
+#define instrumentation_end() do { } while(0)
+#endif
+
#ifndef ASM_UNREACHABLE
# define ASM_UNREACHABLE
#endif
@@ -356,4 +409,10 @@ static inline void *offset_to_ptr(const int *off)
/* &a[0] degrades to a pointer: a different type from an array */
#define __must_be_array(a) BUILD_BUG_ON_ZERO(__same_type((a), &(a)[0]))
+/*
+ * This is needed in functions which generate the stack canary, see
+ * arch/x86/kernel/smpboot.c::start_secondary() for an example.
+ */
+#define prevent_tail_call_optimization() mb()
+
#endif /* __LINUX_COMPILER_H */
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index e970f97a7fcb..6fcf73200b67 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -118,6 +118,10 @@ struct ftrace_likely_data {
#define notrace __attribute__((__no_instrument_function__))
#endif
+/* Section for code which can't be instrumented at all */
+#define noinstr \
+ noinline notrace __attribute((__section__(".noinstr.text")))
+
/*
* it doesn't make sense on ARM (currently the only user of __naked)
* to trace naked functions because then mcount is called without
@@ -193,6 +197,10 @@ struct ftrace_likely_data {
# define randomized_struct_fields_end
#endif
+#ifndef __noscs
+# define __noscs
+#endif
+
#ifndef asm_volatile_goto
#define asm_volatile_goto(x...) asm goto(x)
#endif
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index fa9490a8874c..2e8c69b43c64 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -13,7 +13,7 @@
*
* configfs Copyright (C) 2005 Oracle. All rights reserved.
*
- * Please read Documentation/filesystems/configfs/configfs.txt before using
+ * Please read Documentation/filesystems/configfs.rst before using
* the configfs interface, ESPECIALLY the parts about reference counts and
* item destructors.
*/
diff --git a/include/linux/console.h b/include/linux/console.h
index 7a140f4e5d0c..75dd20650fbe 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -134,7 +134,7 @@ static inline int con_debug_leave(void)
*/
#define CON_PRINTBUFFER (1)
-#define CON_CONSDEV (2) /* Last on the command line */
+#define CON_CONSDEV (2) /* Preferred console, /dev/console */
#define CON_ENABLED (4)
#define CON_BOOT (8)
#define CON_ANYTIME (16) /* Safe to call when cpu is offline */
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 8150f5ac176c..8cac62ee6add 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -101,12 +101,14 @@ static inline void context_tracking_init(void) { }
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
/* must be called with irqs disabled */
-static inline void guest_enter_irqoff(void)
+static __always_inline void guest_enter_irqoff(void)
{
+ instrumentation_begin();
if (vtime_accounting_enabled_this_cpu())
vtime_guest_enter(current);
else
current->flags |= PF_VCPU;
+ instrumentation_end();
if (context_tracking_enabled())
__context_tracking_enter(CONTEXT_GUEST);
@@ -118,39 +120,48 @@ static inline void guest_enter_irqoff(void)
* one time slice). Lets treat guest mode as quiescent state, just like
* we do with user-mode execution.
*/
- if (!context_tracking_enabled_this_cpu())
+ if (!context_tracking_enabled_this_cpu()) {
+ instrumentation_begin();
rcu_virt_note_context_switch(smp_processor_id());
+ instrumentation_end();
+ }
}
-static inline void guest_exit_irqoff(void)
+static __always_inline void guest_exit_irqoff(void)
{
if (context_tracking_enabled())
__context_tracking_exit(CONTEXT_GUEST);
+ instrumentation_begin();
if (vtime_accounting_enabled_this_cpu())
vtime_guest_exit(current);
else
current->flags &= ~PF_VCPU;
+ instrumentation_end();
}
#else
-static inline void guest_enter_irqoff(void)
+static __always_inline void guest_enter_irqoff(void)
{
/*
* This is running in ioctl context so its safe
* to assume that it's the stime pending cputime
* to flush.
*/
+ instrumentation_begin();
vtime_account_kernel(current);
current->flags |= PF_VCPU;
rcu_virt_note_context_switch(smp_processor_id());
+ instrumentation_end();
}
-static inline void guest_exit_irqoff(void)
+static __always_inline void guest_exit_irqoff(void)
{
+ instrumentation_begin();
/* Flush the guest cputime we spent on the guest */
vtime_account_kernel(current);
current->flags &= ~PF_VCPU;
+ instrumentation_end();
}
#endif /* CONFIG_VIRT_CPU_ACCOUNTING_GEN */
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
index abf4b4e65dbb..7a899e83835d 100644
--- a/include/linux/coredump.h
+++ b/include/linux/coredump.h
@@ -22,4 +22,8 @@ extern void do_coredump(const kernel_siginfo_t *siginfo);
static inline void do_coredump(const kernel_siginfo_t *siginfo) {}
#endif
+extern int core_uses_pid;
+extern char core_pattern[];
+extern unsigned int core_pipe_limit;
+
#endif /* _LINUX_COREDUMP_H */
diff --git a/include/linux/cper.h b/include/linux/cper.h
index 4f005d95ce88..8537e9282a65 100644
--- a/include/linux/cper.h
+++ b/include/linux/cper.h
@@ -521,6 +521,15 @@ struct cper_sec_pcie {
u8 aer_info[96];
};
+/* Firmware Error Record Reference, UEFI v2.7 sec N.2.10 */
+struct cper_sec_fw_err_rec_ref {
+ u8 record_type;
+ u8 revision;
+ u8 reserved[6];
+ u64 record_identifier;
+ guid_t record_identifier_guid;
+};
+
/* Reset to default packing */
#pragma pack()
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index beaed2dc269e..52692587f7fe 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -144,18 +144,8 @@ static inline void get_online_cpus(void) { cpus_read_lock(); }
static inline void put_online_cpus(void) { cpus_read_unlock(); }
#ifdef CONFIG_PM_SLEEP_SMP
-int __freeze_secondary_cpus(int primary, bool suspend);
-static inline int freeze_secondary_cpus(int primary)
-{
- return __freeze_secondary_cpus(primary, true);
-}
-
-static inline int disable_nonboot_cpus(void)
-{
- return __freeze_secondary_cpus(0, false);
-}
-
-void enable_nonboot_cpus(void);
+extern int freeze_secondary_cpus(int primary);
+extern void thaw_secondary_cpus(void);
static inline int suspend_disable_secondary_cpus(void)
{
@@ -168,12 +158,11 @@ static inline int suspend_disable_secondary_cpus(void)
}
static inline void suspend_enable_secondary_cpus(void)
{
- return enable_nonboot_cpus();
+ return thaw_secondary_cpus();
}
#else /* !CONFIG_PM_SLEEP_SMP */
-static inline int disable_nonboot_cpus(void) { return 0; }
-static inline void enable_nonboot_cpus(void) {}
+static inline void thaw_secondary_cpus(void) {}
static inline int suspend_disable_secondary_cpus(void) { return 0; }
static inline void suspend_enable_secondary_cpus(void) { }
#endif /* !CONFIG_PM_SLEEP_SMP */
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index f7240251a949..67d5950bd878 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -330,7 +330,7 @@ struct cpufreq_driver {
*
* get_intermediate should return a stable intermediate frequency
* platform wants to switch to and target_intermediate() should set CPU
- * to to that frequency, before jumping to the frequency corresponding
+ * to that frequency, before jumping to the frequency corresponding
* to 'index'. Core will take care of sending notifications and driver
* doesn't have to handle them in target_intermediate() or
* target_index().
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index 77d70b633531..24b3a77810b6 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -152,6 +152,7 @@ enum cpuhp_state {
CPUHP_AP_SMPBOOT_THREADS,
CPUHP_AP_X86_VDSO_VMA_ONLINE,
CPUHP_AP_IRQ_AFFINITY_ONLINE,
+ CPUHP_AP_BLK_MQ_ONLINE,
CPUHP_AP_ARM_MVEBU_SYNC_CLOCKS,
CPUHP_AP_X86_INTEL_EPB_ONLINE,
CPUHP_AP_PERF_ONLINE,
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 4664fc1871de..bc156285d097 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -97,8 +97,6 @@ extern void unregister_oldmem_pfn_is_ram(void);
static inline bool is_kdump_kernel(void) { return 0; }
#endif /* CONFIG_CRASH_DUMP */
-extern unsigned long saved_max_pfn;
-
/* Device Dump information to be filled by drivers */
struct vmcoredd_data {
char dump_name[VMCOREDD_MAX_NAME_BYTES]; /* Unique name of the dump */
diff --git a/include/linux/cryptohash.h b/include/linux/cryptohash.h
deleted file mode 100644
index f6ba4c3e60d7..000000000000
--- a/include/linux/cryptohash.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __CRYPTOHASH_H
-#define __CRYPTOHASH_H
-
-#include <uapi/linux/types.h>
-
-#define SHA_DIGEST_WORDS 5
-#define SHA_MESSAGE_BYTES (512 /*bits*/ / 8)
-#define SHA_WORKSPACE_WORDS 16
-
-void sha_init(__u32 *buf);
-void sha_transform(__u32 *digest, const char *data, __u32 *W);
-
-#endif
diff --git a/include/linux/dasd_mod.h b/include/linux/dasd_mod.h
new file mode 100644
index 000000000000..d39abad2ff6e
--- /dev/null
+++ b/include/linux/dasd_mod.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef DASD_MOD_H
+#define DASD_MOD_H
+
+#include <asm/dasd.h>
+
+extern int dasd_biodasdinfo(struct gendisk *disk, dasd_information2_t *info);
+
+#endif
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index c1488cc84fd9..a81f0c3cf352 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -177,6 +177,8 @@ struct dentry_operations {
#define DCACHE_REFERENCED 0x00000040 /* Recently used, don't discard. */
+#define DCACHE_DONTCACHE 0x00000080 /* Purge from memory on final dput() */
+
#define DCACHE_CANT_MOUNT 0x00000100
#define DCACHE_GENOCIDE 0x00000200
#define DCACHE_SHRINK_LIST 0x00000400
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index a274d95fa66e..63cb3606dea7 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -103,8 +103,8 @@ void debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent,
u8 *value);
void debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent,
u16 *value);
-struct dentry *debugfs_create_u32(const char *name, umode_t mode,
- struct dentry *parent, u32 *value);
+void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent,
+ u32 *value);
void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent,
u64 *value);
struct dentry *debugfs_create_ulong(const char *name, umode_t mode,
@@ -250,12 +250,8 @@ static inline void debugfs_create_u8(const char *name, umode_t mode,
static inline void debugfs_create_u16(const char *name, umode_t mode,
struct dentry *parent, u16 *value) { }
-static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode,
- struct dentry *parent,
- u32 *value)
-{
- return ERR_PTR(-ENODEV);
-}
+static inline void debugfs_create_u32(const char *name, umode_t mode,
+ struct dentry *parent, u32 *value) { }
static inline void debugfs_create_u64(const char *name, umode_t mode,
struct dentry *parent, u64 *value) { }
diff --git a/include/linux/delay.h b/include/linux/delay.h
index 8e6828094c1e..5e016a4029d9 100644
--- a/include/linux/delay.h
+++ b/include/linux/delay.h
@@ -65,4 +65,15 @@ static inline void ssleep(unsigned int seconds)
msleep(seconds * 1000);
}
+/* see Documentation/timers/timers-howto.rst for the thresholds */
+static inline void fsleep(unsigned long usecs)
+{
+ if (usecs <= 10)
+ udelay(usecs);
+ else if (usecs <= 20000)
+ usleep_range(usecs, 2 * usecs);
+ else
+ msleep(DIV_ROUND_UP(usecs, 1000));
+}
+
#endif /* defined(_LINUX_DELAY_H) */
diff --git a/include/linux/device.h b/include/linux/device.h
index ac8e37cd716a..15460a5ac024 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -884,10 +884,6 @@ extern bool device_is_bound(struct device *dev);
/*
* Easy functions for dynamically creating devices on the fly
*/
-extern __printf(5, 0)
-struct device *device_create_vargs(struct class *cls, struct device *parent,
- dev_t devt, void *drvdata,
- const char *fmt, va_list vargs);
extern __printf(5, 6)
struct device *device_create(struct class *cls, struct device *parent,
dev_t devt, void *drvdata,
diff --git a/include/linux/device_cgroup.h b/include/linux/device_cgroup.h
index fa35b52e0002..d02f32b7514e 100644
--- a/include/linux/device_cgroup.h
+++ b/include/linux/device_cgroup.h
@@ -1,6 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/fs.h>
-#include <linux/bpf-cgroup.h>
#define DEVCG_ACC_MKNOD 1
#define DEVCG_ACC_READ 2
@@ -11,16 +10,10 @@
#define DEVCG_DEV_CHAR 2
#define DEVCG_DEV_ALL 4 /* this represents all devices */
-#ifdef CONFIG_CGROUP_DEVICE
-int devcgroup_check_permission(short type, u32 major, u32 minor,
- short access);
-#else
-static inline int devcgroup_check_permission(short type, u32 major, u32 minor,
- short access)
-{ return 0; }
-#endif
#if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF)
+int devcgroup_check_permission(short type, u32 major, u32 minor,
+ short access);
static inline int devcgroup_inode_permission(struct inode *inode, int mask)
{
short type, access = 0;
@@ -51,6 +44,9 @@ static inline int devcgroup_inode_mknod(int mode, dev_t dev)
if (!S_ISBLK(mode) && !S_ISCHR(mode))
return 0;
+ if (S_ISCHR(mode) && dev == WHITEOUT_DEV)
+ return 0;
+
if (S_ISBLK(mode))
type = DEVCG_DEV_BLOCK;
else
@@ -61,6 +57,9 @@ static inline int devcgroup_inode_mknod(int mode, dev_t dev)
}
#else
+static inline int devcgroup_check_permission(short type, u32 major, u32 minor,
+ short access)
+{ return 0; }
static inline int devcgroup_inode_permission(struct inode *inode, int mask)
{ return 0; }
static inline int devcgroup_inode_mknod(int mode, dev_t dev)
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 1ade486fc2bb..ab0c156abee6 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -329,13 +329,20 @@ struct dma_buf {
/**
* struct dma_buf_attach_ops - importer operations for an attachment
- * @move_notify: [optional] notification that the DMA-buf is moving
*
* Attachment operations implemented by the importer.
*/
struct dma_buf_attach_ops {
/**
- * @move_notify
+ * @allow_peer2peer:
+ *
+ * If this is set to true the importer must be able to handle peer
+ * resources without struct pages.
+ */
+ bool allow_peer2peer;
+
+ /**
+ * @move_notify: [optional] notification that the DMA-buf is moving
*
* If this callback is provided the framework can avoid pinning the
* backing store while mappings exists.
@@ -362,6 +369,7 @@ struct dma_buf_attach_ops {
* @node: list of dma_buf_attachment, protected by dma_resv lock of the dmabuf.
* @sgt: cached mapping.
* @dir: direction of cached mapping.
+ * @peer2peer: true if the importer can handle peer resources without pages.
* @priv: exporter specific attachment data.
* @importer_ops: importer operations for this attachment, if provided
* dma_buf_map/unmap_attachment() must be called with the dma_resv lock held.
@@ -382,6 +390,7 @@ struct dma_buf_attachment {
struct list_head node;
struct sg_table *sgt;
enum dma_data_direction dir;
+ bool peer2peer;
const struct dma_buf_attach_ops *importer_ops;
void *importer_priv;
void *priv;
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 21065c04c4ac..e1c03339918f 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -83,9 +83,9 @@ enum dma_transfer_direction {
/**
* Interleaved Transfer Request
* ----------------------------
- * A chunk is collection of contiguous bytes to be transfered.
+ * A chunk is collection of contiguous bytes to be transferred.
* The gap(in bytes) between two chunks is called inter-chunk-gap(ICG).
- * ICGs may or maynot change between chunks.
+ * ICGs may or may not change between chunks.
* A FRAME is the smallest series of contiguous {chunk,icg} pairs,
* that when repeated an integral number of times, specifies the transfer.
* A transfer template is specification of a Frame, the number of times
@@ -341,13 +341,11 @@ struct dma_chan {
* @chan: driver channel device
* @device: sysfs device
* @dev_id: parent dma_device dev_id
- * @idr_ref: reference count to gate release of dma_device dev_id
*/
struct dma_chan_dev {
struct dma_chan *chan;
struct device device;
int dev_id;
- atomic_t *idr_ref;
};
/**
@@ -835,6 +833,8 @@ struct dma_device {
int dev_id;
struct device *dev;
struct module *owner;
+ struct ida chan_ida;
+ struct mutex chan_mutex; /* to protect chan_ida */
u32 src_addr_widths;
u32 dst_addr_widths;
@@ -1069,7 +1069,7 @@ static inline int dmaengine_terminate_all(struct dma_chan *chan)
* dmaengine_synchronize() needs to be called before it is safe to free
* any memory that is accessed by previously submitted descriptors or before
* freeing any resources accessed from within the completion callback of any
- * perviously submitted descriptors.
+ * previously submitted descriptors.
*
* This function can be called from atomic context as well as from within a
* complete callback of a descriptor submitted on the same channel.
@@ -1091,7 +1091,7 @@ static inline int dmaengine_terminate_async(struct dma_chan *chan)
*
* Synchronizes to the DMA channel termination to the current context. When this
* function returns it is guaranteed that all transfers for previously issued
- * descriptors have stopped and and it is safe to free the memory assoicated
+ * descriptors have stopped and it is safe to free the memory associated
* with them. Furthermore it is guaranteed that all complete callback functions
* for a previously submitted descriptor have finished running and it is safe to
* free resources accessed from within the complete callbacks.
diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h
index c620d9139c28..311aa04e7520 100644
--- a/include/linux/dsa/8021q.h
+++ b/include/linux/dsa/8021q.h
@@ -12,11 +12,31 @@ struct sk_buff;
struct net_device;
struct packet_type;
+struct dsa_8021q_crosschip_link {
+ struct list_head list;
+ int port;
+ struct dsa_switch *other_ds;
+ int other_port;
+ refcount_t refcount;
+};
+
+#define DSA_8021Q_N_SUBVLAN 8
+
#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q)
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
bool enabled);
+int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links);
+
+int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links);
+
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci);
@@ -24,10 +44,16 @@ u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
+u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan);
+
int dsa_8021q_rx_switch_id(u16 vid);
int dsa_8021q_rx_source_port(u16 vid);
+u16 dsa_8021q_rx_subvlan(u16 vid);
+
+bool vid_is_dsa_8021q(u16 vid);
+
#else
int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
@@ -36,6 +62,22 @@ int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
return 0;
}
+int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links)
+{
+ return 0;
+}
+
+int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links)
+{
+ return 0;
+}
+
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci)
{
@@ -52,6 +94,11 @@ u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port)
return 0;
}
+u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan)
+{
+ return 0;
+}
+
int dsa_8021q_rx_switch_id(u16 vid)
{
return 0;
@@ -62,6 +109,16 @@ int dsa_8021q_rx_source_port(u16 vid)
return 0;
}
+u16 dsa_8021q_rx_subvlan(u16 vid)
+{
+ return 0;
+}
+
+bool vid_is_dsa_8021q(u16 vid)
+{
+ return false;
+}
+
#endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */
#endif /* _NET_DSA_8021Q_H */
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
index fa5735c353cd..dd93735ae228 100644
--- a/include/linux/dsa/sja1105.h
+++ b/include/linux/dsa/sja1105.h
@@ -9,6 +9,7 @@
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
+#include <linux/dsa/8021q.h>
#include <net/dsa.h>
#define ETH_P_SJA1105 ETH_P_DSA_8021Q
@@ -53,12 +54,14 @@ struct sja1105_skb_cb {
((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb))
struct sja1105_port {
+ u16 subvlan_map[DSA_8021Q_N_SUBVLAN];
struct kthread_worker *xmit_worker;
struct kthread_work xmit_work;
struct sk_buff_head xmit_queue;
struct sja1105_tagger_data *data;
struct dsa_port *dp;
bool hwts_tx_en;
+ u16 xmit_tpid;
};
#endif /* _NET_DSA_SJA1105_H */
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 251f1f783cdf..2c6495f72f79 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -39,6 +39,7 @@
#define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1)))
#define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1)))
#define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1)))
+#define EFI_TIMEOUT (18 | (1UL << (BITS_PER_LONG-1)))
#define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1)))
#define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1)))
@@ -379,8 +380,8 @@ typedef union {
typedef struct {
efi_guid_t guid;
- const char *name;
unsigned long *ptr;
+ const char name[16];
} efi_config_table_type_t;
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
@@ -426,6 +427,7 @@ typedef struct {
u32 tables;
} efi_system_table_32_t;
+typedef union efi_simple_text_input_protocol efi_simple_text_input_protocol_t;
typedef union efi_simple_text_output_protocol efi_simple_text_output_protocol_t;
typedef union {
@@ -434,7 +436,7 @@ typedef union {
unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */
u32 fw_revision;
unsigned long con_in_handle;
- unsigned long con_in;
+ efi_simple_text_input_protocol_t *con_in;
unsigned long con_out_handle;
efi_simple_text_output_protocol_t *con_out;
unsigned long stderr_handle;
@@ -1245,4 +1247,6 @@ struct linux_efi_memreserve {
void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size);
+char *efi_systab_show_arch(char *str);
+
#endif /* _LINUX_EFI_H */
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 901bda352dcb..bacc40a0bdf3 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -39,7 +39,7 @@ struct elevator_mq_ops {
void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);
void (*requests_merged)(struct request_queue *, struct request *, struct request *);
void (*limit_depth)(unsigned int, struct blk_mq_alloc_data *);
- void (*prepare_request)(struct request *, struct bio *bio);
+ void (*prepare_request)(struct request *);
void (*finish_request)(struct request *);
void (*insert_requests)(struct blk_mq_hw_ctx *, struct list_head *, bool);
struct request *(*dispatch_request)(struct blk_mq_hw_ctx *);
diff --git a/include/linux/elf.h b/include/linux/elf.h
index e3649b3e970e..5d5b0321da0b 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -2,6 +2,7 @@
#ifndef _LINUX_ELF_H
#define _LINUX_ELF_H
+#include <linux/types.h>
#include <asm/elf.h>
#include <uapi/linux/elf.h>
@@ -21,6 +22,9 @@
SET_PERSONALITY(ex)
#endif
+#define ELF32_GNU_PROPERTY_ALIGN 4
+#define ELF64_GNU_PROPERTY_ALIGN 8
+
#if ELF_CLASS == ELFCLASS32
extern Elf32_Dyn _DYNAMIC [];
@@ -31,6 +35,7 @@ extern Elf32_Dyn _DYNAMIC [];
#define elf_addr_t Elf32_Off
#define Elf_Half Elf32_Half
#define Elf_Word Elf32_Word
+#define ELF_GNU_PROPERTY_ALIGN ELF32_GNU_PROPERTY_ALIGN
#else
@@ -42,6 +47,7 @@ extern Elf64_Dyn _DYNAMIC [];
#define elf_addr_t Elf64_Off
#define Elf_Half Elf64_Half
#define Elf_Word Elf64_Word
+#define ELF_GNU_PROPERTY_ALIGN ELF64_GNU_PROPERTY_ALIGN
#endif
@@ -56,4 +62,41 @@ static inline int elf_coredump_extra_notes_write(struct coredump_params *cprm) {
extern int elf_coredump_extra_notes_size(void);
extern int elf_coredump_extra_notes_write(struct coredump_params *cprm);
#endif
+
+/*
+ * NT_GNU_PROPERTY_TYPE_0 header:
+ * Keep this internal until/unless there is an agreed UAPI definition.
+ * pr_type values (GNU_PROPERTY_*) are public and defined in the UAPI header.
+ */
+struct gnu_property {
+ u32 pr_type;
+ u32 pr_datasz;
+};
+
+struct arch_elf_state;
+
+#ifndef CONFIG_ARCH_USE_GNU_PROPERTY
+static inline int arch_parse_elf_property(u32 type, const void *data,
+ size_t datasz, bool compat,
+ struct arch_elf_state *arch)
+{
+ return 0;
+}
+#else
+extern int arch_parse_elf_property(u32 type, const void *data, size_t datasz,
+ bool compat, struct arch_elf_state *arch);
+#endif
+
+#ifdef CONFIG_ARCH_HAVE_ELF_PROT
+int arch_elf_adjust_prot(int prot, const struct arch_elf_state *state,
+ bool has_interp, bool is_interp);
+#else
+static inline int arch_elf_adjust_prot(int prot,
+ const struct arch_elf_state *state,
+ bool has_interp, bool is_interp)
+{
+ return prot;
+}
+#endif
+
#endif /* _LINUX_ELF_H */
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 8801f1f986e5..2e5debc0373c 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -20,6 +20,7 @@
#include <linux/if_ether.h>
#include <linux/netdevice.h>
#include <linux/random.h>
+#include <linux/crc32.h>
#include <asm/unaligned.h>
#include <asm/bitsperlong.h>
@@ -266,6 +267,17 @@ static inline void eth_hw_addr_random(struct net_device *dev)
}
/**
+ * eth_hw_addr_crc - Calculate CRC from netdev_hw_addr
+ * @ha: pointer to hardware address
+ *
+ * Calculate CRC from a hardware address as basis for filter hashes.
+ */
+static inline u32 eth_hw_addr_crc(struct netdev_hw_addr *ha)
+{
+ return ether_crc(ETH_ALEN, ha->addr);
+}
+
+/**
* ether_addr_copy - Copy an Ethernet address
* @dst: Pointer to a six-byte array Ethernet address destination
* @src: Pointer to a six-byte array Ethernet address source
diff --git a/include/linux/ethtool_netlink.h b/include/linux/ethtool_netlink.h
index d01b77887f82..8fbe4f97ffad 100644
--- a/include/linux/ethtool_netlink.h
+++ b/include/linux/ethtool_netlink.h
@@ -14,4 +14,58 @@ enum ethtool_multicast_groups {
ETHNL_MCGRP_MONITOR,
};
+struct phy_device;
+
+#if IS_ENABLED(CONFIG_ETHTOOL_NETLINK)
+int ethnl_cable_test_alloc(struct phy_device *phydev, u8 cmd);
+void ethnl_cable_test_free(struct phy_device *phydev);
+void ethnl_cable_test_finished(struct phy_device *phydev);
+int ethnl_cable_test_result(struct phy_device *phydev, u8 pair, u8 result);
+int ethnl_cable_test_fault_length(struct phy_device *phydev, u8 pair, u32 cm);
+int ethnl_cable_test_amplitude(struct phy_device *phydev, u8 pair, s16 mV);
+int ethnl_cable_test_pulse(struct phy_device *phydev, u16 mV);
+int ethnl_cable_test_step(struct phy_device *phydev, u32 first, u32 last,
+ u32 step);
+#else
+static inline int ethnl_cable_test_alloc(struct phy_device *phydev, u8 cmd)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline void ethnl_cable_test_free(struct phy_device *phydev)
+{
+}
+
+static inline void ethnl_cable_test_finished(struct phy_device *phydev)
+{
+}
+static inline int ethnl_cable_test_result(struct phy_device *phydev, u8 pair,
+ u8 result)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int ethnl_cable_test_fault_length(struct phy_device *phydev,
+ u8 pair, u32 cm)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int ethnl_cable_test_amplitude(struct phy_device *phydev,
+ u8 pair, s16 mV)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int ethnl_cable_test_pulse(struct phy_device *phydev, u16 mV)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int ethnl_cable_test_step(struct phy_device *phydev, u32 first,
+ u32 last, u32 step)
+{
+ return -EOPNOTSUPP;
+}
+#endif /* IS_ENABLED(ETHTOOL_NETLINK) */
#endif /* _LINUX_ETHTOOL_NETLINK_H_ */
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 3049a6c06d9e..b79fa9bb7359 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -47,8 +47,7 @@
* Directory entry modification events - reported only to directory
* where entry is modified and not to a watching parent.
*/
-#define FANOTIFY_DIRENT_EVENTS (FAN_MOVE | FAN_CREATE | FAN_DELETE | \
- FAN_DIR_MODIFY)
+#define FANOTIFY_DIRENT_EVENTS (FAN_MOVE | FAN_CREATE | FAN_DELETE)
/* Events that can only be reported with data type FSNOTIFY_EVENT_INODE */
#define FANOTIFY_INODE_EVENTS (FANOTIFY_DIRENT_EVENTS | \
diff --git a/include/linux/file.h b/include/linux/file.h
index 142d102f285e..122f80084a3e 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -94,4 +94,6 @@ extern void fd_install(unsigned int fd, struct file *file);
extern void flush_delayed_fput(void);
extern void __fput_sync(struct file *);
+extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max;
+
#endif /* __LINUX_FILE_H */
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 9b5aa5c483cc..259377723603 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -16,11 +16,11 @@
#include <linux/workqueue.h>
#include <linux/sched.h>
#include <linux/capability.h>
-#include <linux/cryptohash.h>
#include <linux/set_memory.h>
#include <linux/kallsyms.h>
#include <linux/if_vlan.h>
#include <linux/vmalloc.h>
+#include <crypto/sha.h>
#include <net/sch_generic.h>
@@ -545,10 +545,8 @@ struct bpf_prog {
unsigned int (*bpf_func)(const void *ctx,
const struct bpf_insn *insn);
/* Instructions for interpreter */
- union {
- struct sock_filter insns[0];
- struct bpf_insn insnsi[0];
- };
+ struct sock_filter insns[0];
+ struct bpf_insn insnsi[];
};
struct sk_filter {
@@ -746,7 +744,7 @@ static inline u32 bpf_prog_insn_size(const struct bpf_prog *prog)
static inline u32 bpf_prog_tag_scratch_size(const struct bpf_prog *prog)
{
return round_up(bpf_prog_insn_size(prog) +
- sizeof(__be64) + 1, SHA_MESSAGE_BYTES);
+ sizeof(__be64) + 1, SHA1_BLOCK_SIZE);
}
static inline unsigned int bpf_prog_size(unsigned int proglen)
@@ -863,8 +861,6 @@ int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog);
int bpf_prog_create_from_user(struct bpf_prog **pfp, struct sock_fprog *fprog,
bpf_aux_classic_check_t trans, bool save_orig);
void bpf_prog_destroy(struct bpf_prog *fp);
-const struct bpf_func_proto *
-bpf_base_func_proto(enum bpf_func_id func_id);
int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_attach_bpf(u32 ufd, struct sock *sk);
diff --git a/include/linux/frame.h b/include/linux/frame.h
index 02d3ca2d9598..303cda600e56 100644
--- a/include/linux/frame.h
+++ b/include/linux/frame.h
@@ -15,9 +15,20 @@
static void __used __section(.discard.func_stack_frame_non_standard) \
*__func_stack_frame_non_standard_##func = func
+/*
+ * This macro indicates that the following intra-function call is valid.
+ * Any non-annotated intra-function call will cause objtool to issue a warning.
+ */
+#define ANNOTATE_INTRA_FUNCTION_CALL \
+ 999: \
+ .pushsection .discard.intra_function_calls; \
+ .long 999b; \
+ .popsection;
+
#else /* !CONFIG_STACK_VALIDATION */
#define STACK_FRAME_NON_STANDARD(func)
+#define ANNOTATE_INTRA_FUNCTION_CALL
#endif /* CONFIG_STACK_VALIDATION */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 4f6f59b4f22a..9780ac31387c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -292,6 +292,7 @@ enum positive_aop_returns {
struct page;
struct address_space;
struct writeback_control;
+struct readahead_control;
/*
* Write life time hint values.
@@ -375,6 +376,7 @@ struct address_space_operations {
*/
int (*readpages)(struct file *filp, struct address_space *mapping,
struct list_head *pages, unsigned nr_pages);
+ void (*readahead)(struct readahead_control *);
int (*write_begin)(struct file *, struct address_space *mapping,
loff_t pos, unsigned len, unsigned flags,
@@ -976,6 +978,7 @@ struct file {
#endif /* #ifdef CONFIG_EPOLL */
struct address_space *f_mapping;
errseq_t f_wb_err;
+ errseq_t f_sb_err; /* for syncfs */
} __randomize_layout
__attribute__((aligned(4))); /* lest something weird decides that 2 is OK */
@@ -983,7 +986,7 @@ struct file_handle {
__u32 handle_bytes;
int handle_type;
/* file identifier */
- unsigned char f_handle[0];
+ unsigned char f_handle[];
};
static inline struct file *get_file(struct file *f)
@@ -1520,6 +1523,9 @@ struct super_block {
/* Being remounted read-only */
int s_readonly_remount;
+ /* per-sb errseq_t for reporting writeback errors via syncfs */
+ errseq_t s_wb_err;
+
/* AIO completions deferred from interrupt context */
struct workqueue_struct *s_dio_done_wq;
struct hlist_head s_pins;
@@ -1721,7 +1727,11 @@ extern int vfs_link(struct dentry *, struct inode *, struct dentry *, struct ino
extern int vfs_rmdir(struct inode *, struct dentry *);
extern int vfs_unlink(struct inode *, struct dentry *, struct inode **);
extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *, struct inode **, unsigned int);
-extern int vfs_whiteout(struct inode *, struct dentry *);
+
+static inline int vfs_whiteout(struct inode *dir, struct dentry *dentry)
+{
+ return vfs_mknod(dir, dentry, S_IFCHR | WHITEOUT_MODE, WHITEOUT_DEV);
+}
extern struct dentry *vfs_tmpfile(struct dentry *dentry, umode_t mode,
int open_flag);
@@ -2156,6 +2166,8 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src,
*
* I_CREATING New object's inode in the middle of setting up.
*
+ * I_DONTCACHE Evict inode as soon as it is not used anymore.
+ *
* Q: What is the difference between I_WILL_FREE and I_FREEING?
*/
#define I_DIRTY_SYNC (1 << 0)
@@ -2178,6 +2190,7 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src,
#define I_WB_SWITCH (1 << 13)
#define I_OVL_INUSE (1 << 14)
#define I_CREATING (1 << 15)
+#define I_DONTCACHE (1 << 16)
#define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC)
#define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES)
@@ -2581,7 +2594,6 @@ extern struct kmem_cache *names_cachep;
#ifdef CONFIG_BLOCK
extern int register_blkdev(unsigned int, const char *);
extern void unregister_blkdev(unsigned int, const char *);
-extern void bdev_unhash_inode(dev_t dev);
extern struct block_device *bdget(dev_t);
extern struct block_device *bdgrab(struct block_device *bdev);
extern void bd_set_size(struct block_device *, loff_t size);
@@ -2637,7 +2649,6 @@ extern int sync_filesystem(struct super_block *);
extern const struct file_operations def_blk_fops;
extern const struct file_operations def_chr_fops;
#ifdef CONFIG_BLOCK
-extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
extern int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long);
extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
extern int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder);
@@ -2723,7 +2734,6 @@ extern bool is_bad_inode(struct inode *);
extern int revalidate_disk(struct gendisk *);
extern int check_disk_change(struct block_device *);
extern int __invalidate_device(struct block_device *, bool);
-extern int invalidate_partition(struct gendisk *, int);
#endif
unsigned long invalidate_mapping_pages(struct address_space *mapping,
pgoff_t start, pgoff_t end);
@@ -2827,6 +2837,18 @@ static inline errseq_t filemap_sample_wb_err(struct address_space *mapping)
return errseq_sample(&mapping->wb_err);
}
+/**
+ * file_sample_sb_err - sample the current errseq_t to test for later errors
+ * @mapping: mapping to be sampled
+ *
+ * Grab the most current superblock-level errseq_t value for the given
+ * struct file.
+ */
+static inline errseq_t file_sample_sb_err(struct file *file)
+{
+ return errseq_sample(&file->f_path.dentry->d_sb->s_wb_err);
+}
+
static inline int filemap_nr_thps(struct address_space *mapping)
{
#ifdef CONFIG_READ_ONLY_THP_FOR_FS
@@ -3049,8 +3071,10 @@ extern int inode_needs_sync(struct inode *inode);
extern int generic_delete_inode(struct inode *inode);
static inline int generic_drop_inode(struct inode *inode)
{
- return !inode->i_nlink || inode_unhashed(inode);
+ return !inode->i_nlink || inode_unhashed(inode) ||
+ (inode->i_state & I_DONTCACHE);
}
+extern void d_mark_dontcache(struct inode *inode);
extern struct inode *ilookup5_nowait(struct super_block *sb,
unsigned long hashval, int (*test)(struct inode *, void *),
@@ -3124,6 +3148,8 @@ extern int generic_file_rw_checks(struct file *file_in, struct file *file_out);
extern int generic_copy_file_checks(struct file *file_in, loff_t pos_in,
struct file *file_out, loff_t pos_out,
size_t *count, unsigned int flags);
+extern ssize_t generic_file_buffered_read(struct kiocb *iocb,
+ struct iov_iter *to, ssize_t already_read);
extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *);
extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *);
extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *);
@@ -3185,8 +3211,6 @@ enum {
DIO_SKIP_HOLES = 0x02,
};
-void dio_end_io(struct bio *bio);
-
ssize_t __blockdev_direct_IO(struct kiocb *iocb, struct inode *inode,
struct block_device *bdev, struct iov_iter *iter,
get_block_t get_block,
@@ -3394,11 +3418,6 @@ extern void setattr_copy(struct inode *inode, const struct iattr *attr);
extern int file_update_time(struct file *file);
-static inline bool io_is_direct(struct file *filp)
-{
- return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
-}
-
static inline bool vma_is_dax(const struct vm_area_struct *vma)
{
return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
@@ -3423,7 +3442,7 @@ static inline int iocb_flags(struct file *file)
int res = 0;
if (file->f_flags & O_APPEND)
res |= IOCB_APPEND;
- if (io_is_direct(file))
+ if (file->f_flags & O_DIRECT)
res |= IOCB_DIRECT;
if ((file->f_flags & O_DSYNC) || IS_SYNC(file->f_mapping->host))
res |= IOCB_DSYNC;
@@ -3536,11 +3555,11 @@ ssize_t simple_attr_write(struct file *file, const char __user *buf,
struct ctl_table;
int proc_nr_files(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
int proc_nr_dentry(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
int proc_nr_inodes(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
int __init get_filesystem_list(char *buf);
#define __FMODE_EXEC ((__force int) FMODE_EXEC)
diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h
index e6c3e4c61dad..5f24fcbfbfb4 100644
--- a/include/linux/fs_context.h
+++ b/include/linux/fs_context.h
@@ -85,7 +85,7 @@ struct p_log {
* Superblock creation fills in ->root whereas reconfiguration begins with this
* already set.
*
- * See Documentation/filesystems/mount_api.txt
+ * See Documentation/filesystems/mount_api.rst
*/
struct fs_context {
const struct fs_context_operations *ops;
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index d5ba431b5d63..ce0b5fbf239d 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -6,7 +6,7 @@
*
* NOTE!!! See:
*
- * Documentation/filesystems/caching/backend-api.txt
+ * Documentation/filesystems/caching/backend-api.rst
*
* for a description of the cache backend interface declared here.
*/
@@ -454,7 +454,7 @@ static inline void fscache_object_lookup_error(struct fscache_object *object)
* Set the maximum size an object is permitted to reach, implying the highest
* byte that may be written. Intended to be called by the attr_changed() op.
*
- * See Documentation/filesystems/caching/backend-api.txt for a complete
+ * See Documentation/filesystems/caching/backend-api.rst for a complete
* description.
*/
static inline
diff --git a/include/linux/fscache.h b/include/linux/fscache.h
index ad044c0cb1f3..a1c928fe98e7 100644
--- a/include/linux/fscache.h
+++ b/include/linux/fscache.h
@@ -6,7 +6,7 @@
*
* NOTE!!! See:
*
- * Documentation/filesystems/caching/netfs-api.txt
+ * Documentation/filesystems/caching/netfs-api.rst
*
* for a description of the network filesystem interface declared here.
*/
@@ -233,7 +233,7 @@ extern void __fscache_enable_cookie(struct fscache_cookie *, const void *, loff_
*
* Register a filesystem as desiring caching services if they're available.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -253,7 +253,7 @@ int fscache_register_netfs(struct fscache_netfs *netfs)
* Indicate that a filesystem no longer desires caching services for the
* moment.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -270,7 +270,7 @@ void fscache_unregister_netfs(struct fscache_netfs *netfs)
* Acquire a specific cache referral tag that can be used to select a specific
* cache in which to cache an index.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -288,7 +288,7 @@ struct fscache_cache_tag *fscache_lookup_cache_tag(const char *name)
*
* Release a reference to a cache referral tag previously looked up.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -315,7 +315,7 @@ void fscache_release_cache_tag(struct fscache_cache_tag *tag)
* that can be used to locate files. This is done by requesting a cookie for
* each index in the path to the file.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -351,7 +351,7 @@ struct fscache_cookie *fscache_acquire_cookie(
* provided to update the auxiliary data in the cache before the object is
* disconnected.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -394,7 +394,7 @@ int fscache_check_consistency(struct fscache_cookie *cookie,
* cookie. The auxiliary data on the cookie will be updated first if @aux_data
* is set.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -410,7 +410,7 @@ void fscache_update_cookie(struct fscache_cookie *cookie, const void *aux_data)
*
* Permit data-storage cache objects to be pinned in the cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -425,7 +425,7 @@ int fscache_pin_cookie(struct fscache_cookie *cookie)
*
* Permit data-storage cache objects to be unpinned from the cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -441,7 +441,7 @@ void fscache_unpin_cookie(struct fscache_cookie *cookie)
* changed. This includes the data size. These attributes will be obtained
* through the get_attr() cookie definition op.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -463,7 +463,7 @@ int fscache_attr_changed(struct fscache_cookie *cookie)
*
* This can be called with spinlocks held.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -479,7 +479,7 @@ void fscache_invalidate(struct fscache_cookie *cookie)
*
* Wait for the invalidation of an object to complete.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -498,7 +498,7 @@ void fscache_wait_on_invalidate(struct fscache_cookie *cookie)
* cookie so that a write to that object within the space can always be
* honoured.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -533,7 +533,7 @@ int fscache_reserve_space(struct fscache_cookie *cookie, loff_t size)
* Else, if the page is unbacked, -ENODATA is returned and a block may have
* been allocated in the cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -582,7 +582,7 @@ int fscache_read_or_alloc_page(struct fscache_cookie *cookie,
* regard to different pages, the return values are prioritised in that order.
* Any pages submitted for reading are removed from the pages list.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -617,7 +617,7 @@ int fscache_read_or_alloc_pages(struct fscache_cookie *cookie,
* Else, a block will be allocated if one wasn't already, and 0 will be
* returned
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -667,7 +667,7 @@ void fscache_readpages_cancel(struct fscache_cookie *cookie,
* be cleared at the completion of the write to indicate the success or failure
* of the operation. Note that the completion may happen before the return.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -693,7 +693,7 @@ int fscache_write_page(struct fscache_cookie *cookie,
* Note that this cannot cancel any outstanding I/O operations between this
* page and the cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -711,7 +711,7 @@ void fscache_uncache_page(struct fscache_cookie *cookie,
*
* Ask the cache if a page is being written to the cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
@@ -731,7 +731,7 @@ bool fscache_check_page_write(struct fscache_cookie *cookie,
* Ask the cache to wake us up when a page is no longer being written to the
* cache.
*
- * See Documentation/filesystems/caching/netfs-api.txt for a complete
+ * See Documentation/filesystems/caching/netfs-api.rst for a complete
* description.
*/
static inline
diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h
index e3c2d2a15525..2862ca5fea33 100644
--- a/include/linux/fscrypt.h
+++ b/include/linux/fscrypt.h
@@ -15,12 +15,15 @@
#include <linux/fs.h>
#include <linux/mm.h>
+#include <linux/parser.h>
#include <linux/slab.h>
#include <uapi/linux/fscrypt.h>
#define FS_CRYPTO_BLOCK_SIZE 16
+union fscrypt_context;
struct fscrypt_info;
+struct seq_file;
struct fscrypt_str {
unsigned char *name;
@@ -56,10 +59,12 @@ struct fscrypt_name {
struct fscrypt_operations {
unsigned int flags;
const char *key_prefix;
- int (*get_context)(struct inode *, void *, size_t);
- int (*set_context)(struct inode *, const void *, size_t, void *);
- bool (*dummy_context)(struct inode *);
- bool (*empty_dir)(struct inode *);
+ int (*get_context)(struct inode *inode, void *ctx, size_t len);
+ int (*set_context)(struct inode *inode, const void *ctx, size_t len,
+ void *fs_data);
+ const union fscrypt_context *(*get_dummy_context)(
+ struct super_block *sb);
+ bool (*empty_dir)(struct inode *inode);
unsigned int max_namelen;
bool (*has_stable_inodes)(struct super_block *sb);
void (*get_ino_and_lblk_bits)(struct super_block *sb,
@@ -75,6 +80,7 @@ static inline bool fscrypt_has_encryption_key(const struct inode *inode)
/**
* fscrypt_needs_contents_encryption() - check whether an inode needs
* contents encryption
+ * @inode: the inode to check
*
* Return: %true iff the inode is an encrypted regular file and the kernel was
* built with fscrypt support.
@@ -87,10 +93,12 @@ static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)
return IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode);
}
-static inline bool fscrypt_dummy_context_enabled(struct inode *inode)
+static inline const union fscrypt_context *
+fscrypt_get_dummy_context(struct super_block *sb)
{
- return inode->i_sb->s_cop->dummy_context &&
- inode->i_sb->s_cop->dummy_context(inode);
+ if (!sb->s_cop->get_dummy_context)
+ return NULL;
+ return sb->s_cop->get_dummy_context(sb);
}
/*
@@ -106,22 +114,21 @@ static inline void fscrypt_handle_d_move(struct dentry *dentry)
}
/* crypto.c */
-extern void fscrypt_enqueue_decrypt_work(struct work_struct *);
-
-extern struct page *fscrypt_encrypt_pagecache_blocks(struct page *page,
- unsigned int len,
- unsigned int offs,
- gfp_t gfp_flags);
-extern int fscrypt_encrypt_block_inplace(const struct inode *inode,
- struct page *page, unsigned int len,
- unsigned int offs, u64 lblk_num,
- gfp_t gfp_flags);
-
-extern int fscrypt_decrypt_pagecache_blocks(struct page *page, unsigned int len,
- unsigned int offs);
-extern int fscrypt_decrypt_block_inplace(const struct inode *inode,
- struct page *page, unsigned int len,
- unsigned int offs, u64 lblk_num);
+void fscrypt_enqueue_decrypt_work(struct work_struct *);
+
+struct page *fscrypt_encrypt_pagecache_blocks(struct page *page,
+ unsigned int len,
+ unsigned int offs,
+ gfp_t gfp_flags);
+int fscrypt_encrypt_block_inplace(const struct inode *inode, struct page *page,
+ unsigned int len, unsigned int offs,
+ u64 lblk_num, gfp_t gfp_flags);
+
+int fscrypt_decrypt_pagecache_blocks(struct page *page, unsigned int len,
+ unsigned int offs);
+int fscrypt_decrypt_block_inplace(const struct inode *inode, struct page *page,
+ unsigned int len, unsigned int offs,
+ u64 lblk_num);
static inline bool fscrypt_is_bounce_page(struct page *page)
{
@@ -133,78 +140,90 @@ static inline struct page *fscrypt_pagecache_page(struct page *bounce_page)
return (struct page *)page_private(bounce_page);
}
-extern void fscrypt_free_bounce_page(struct page *bounce_page);
+void fscrypt_free_bounce_page(struct page *bounce_page);
/* policy.c */
-extern int fscrypt_ioctl_set_policy(struct file *, const void __user *);
-extern int fscrypt_ioctl_get_policy(struct file *, void __user *);
-extern int fscrypt_ioctl_get_policy_ex(struct file *, void __user *);
-extern int fscrypt_ioctl_get_nonce(struct file *filp, void __user *arg);
-extern int fscrypt_has_permitted_context(struct inode *, struct inode *);
-extern int fscrypt_inherit_context(struct inode *, struct inode *,
- void *, bool);
+int fscrypt_ioctl_set_policy(struct file *filp, const void __user *arg);
+int fscrypt_ioctl_get_policy(struct file *filp, void __user *arg);
+int fscrypt_ioctl_get_policy_ex(struct file *filp, void __user *arg);
+int fscrypt_ioctl_get_nonce(struct file *filp, void __user *arg);
+int fscrypt_has_permitted_context(struct inode *parent, struct inode *child);
+int fscrypt_inherit_context(struct inode *parent, struct inode *child,
+ void *fs_data, bool preload);
+
+struct fscrypt_dummy_context {
+ const union fscrypt_context *ctx;
+};
+
+int fscrypt_set_test_dummy_encryption(struct super_block *sb,
+ const substring_t *arg,
+ struct fscrypt_dummy_context *dummy_ctx);
+void fscrypt_show_test_dummy_encryption(struct seq_file *seq, char sep,
+ struct super_block *sb);
+static inline void
+fscrypt_free_dummy_context(struct fscrypt_dummy_context *dummy_ctx)
+{
+ kfree(dummy_ctx->ctx);
+ dummy_ctx->ctx = NULL;
+}
+
/* keyring.c */
-extern void fscrypt_sb_free(struct super_block *sb);
-extern int fscrypt_ioctl_add_key(struct file *filp, void __user *arg);
-extern int fscrypt_ioctl_remove_key(struct file *filp, void __user *arg);
-extern int fscrypt_ioctl_remove_key_all_users(struct file *filp,
- void __user *arg);
-extern int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg);
+void fscrypt_sb_free(struct super_block *sb);
+int fscrypt_ioctl_add_key(struct file *filp, void __user *arg);
+int fscrypt_ioctl_remove_key(struct file *filp, void __user *arg);
+int fscrypt_ioctl_remove_key_all_users(struct file *filp, void __user *arg);
+int fscrypt_ioctl_get_key_status(struct file *filp, void __user *arg);
/* keysetup.c */
-extern int fscrypt_get_encryption_info(struct inode *);
-extern void fscrypt_put_encryption_info(struct inode *);
-extern void fscrypt_free_inode(struct inode *);
-extern int fscrypt_drop_inode(struct inode *inode);
+int fscrypt_get_encryption_info(struct inode *inode);
+void fscrypt_put_encryption_info(struct inode *inode);
+void fscrypt_free_inode(struct inode *inode);
+int fscrypt_drop_inode(struct inode *inode);
/* fname.c */
-extern int fscrypt_setup_filename(struct inode *, const struct qstr *,
- int lookup, struct fscrypt_name *);
+int fscrypt_setup_filename(struct inode *inode, const struct qstr *iname,
+ int lookup, struct fscrypt_name *fname);
static inline void fscrypt_free_filename(struct fscrypt_name *fname)
{
kfree(fname->crypto_buf.name);
}
-extern int fscrypt_fname_alloc_buffer(const struct inode *, u32,
- struct fscrypt_str *);
-extern void fscrypt_fname_free_buffer(struct fscrypt_str *);
-extern int fscrypt_fname_disk_to_usr(const struct inode *inode,
- u32 hash, u32 minor_hash,
- const struct fscrypt_str *iname,
- struct fscrypt_str *oname);
-extern bool fscrypt_match_name(const struct fscrypt_name *fname,
- const u8 *de_name, u32 de_name_len);
-extern u64 fscrypt_fname_siphash(const struct inode *dir,
- const struct qstr *name);
+int fscrypt_fname_alloc_buffer(const struct inode *inode, u32 max_encrypted_len,
+ struct fscrypt_str *crypto_str);
+void fscrypt_fname_free_buffer(struct fscrypt_str *crypto_str);
+int fscrypt_fname_disk_to_usr(const struct inode *inode,
+ u32 hash, u32 minor_hash,
+ const struct fscrypt_str *iname,
+ struct fscrypt_str *oname);
+bool fscrypt_match_name(const struct fscrypt_name *fname,
+ const u8 *de_name, u32 de_name_len);
+u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name);
/* bio.c */
-extern void fscrypt_decrypt_bio(struct bio *);
-extern int fscrypt_zeroout_range(const struct inode *, pgoff_t, sector_t,
- unsigned int);
+void fscrypt_decrypt_bio(struct bio *bio);
+int fscrypt_zeroout_range(const struct inode *inode, pgoff_t lblk,
+ sector_t pblk, unsigned int len);
/* hooks.c */
-extern int fscrypt_file_open(struct inode *inode, struct file *filp);
-extern int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
- struct dentry *dentry);
-extern int __fscrypt_prepare_rename(struct inode *old_dir,
- struct dentry *old_dentry,
- struct inode *new_dir,
- struct dentry *new_dentry,
- unsigned int flags);
-extern int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
- struct fscrypt_name *fname);
-extern int fscrypt_prepare_setflags(struct inode *inode,
- unsigned int oldflags, unsigned int flags);
-extern int __fscrypt_prepare_symlink(struct inode *dir, unsigned int len,
- unsigned int max_len,
- struct fscrypt_str *disk_link);
-extern int __fscrypt_encrypt_symlink(struct inode *inode, const char *target,
- unsigned int len,
- struct fscrypt_str *disk_link);
-extern const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
- unsigned int max_size,
- struct delayed_call *done);
+int fscrypt_file_open(struct inode *inode, struct file *filp);
+int __fscrypt_prepare_link(struct inode *inode, struct inode *dir,
+ struct dentry *dentry);
+int __fscrypt_prepare_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags);
+int __fscrypt_prepare_lookup(struct inode *dir, struct dentry *dentry,
+ struct fscrypt_name *fname);
+int fscrypt_prepare_setflags(struct inode *inode,
+ unsigned int oldflags, unsigned int flags);
+int __fscrypt_prepare_symlink(struct inode *dir, unsigned int len,
+ unsigned int max_len,
+ struct fscrypt_str *disk_link);
+int __fscrypt_encrypt_symlink(struct inode *inode, const char *target,
+ unsigned int len, struct fscrypt_str *disk_link);
+const char *fscrypt_get_symlink(struct inode *inode, const void *caddr,
+ unsigned int max_size,
+ struct delayed_call *done);
static inline void fscrypt_set_ops(struct super_block *sb,
const struct fscrypt_operations *s_cop)
{
@@ -222,9 +241,10 @@ static inline bool fscrypt_needs_contents_encryption(const struct inode *inode)
return false;
}
-static inline bool fscrypt_dummy_context_enabled(struct inode *inode)
+static inline const union fscrypt_context *
+fscrypt_get_dummy_context(struct super_block *sb)
{
- return false;
+ return NULL;
}
static inline void fscrypt_handle_d_move(struct dentry *dentry)
@@ -319,6 +339,20 @@ static inline int fscrypt_inherit_context(struct inode *parent,
return -EOPNOTSUPP;
}
+struct fscrypt_dummy_context {
+};
+
+static inline void fscrypt_show_test_dummy_encryption(struct seq_file *seq,
+ char sep,
+ struct super_block *sb)
+{
+}
+
+static inline void
+fscrypt_free_dummy_context(struct fscrypt_dummy_context *dummy_ctx)
+{
+}
+
/* keyring.c */
static inline void fscrypt_sb_free(struct super_block *sb)
{
@@ -504,7 +538,7 @@ static inline void fscrypt_set_ops(struct super_block *sb,
#endif /* !CONFIG_FS_ENCRYPTION */
/**
- * fscrypt_require_key - require an inode's encryption key
+ * fscrypt_require_key() - require an inode's encryption key
* @inode: the inode we need the key for
*
* If the inode is encrypted, set up its encryption key if not already done.
@@ -530,7 +564,8 @@ static inline int fscrypt_require_key(struct inode *inode)
}
/**
- * fscrypt_prepare_link - prepare to link an inode into a possibly-encrypted directory
+ * fscrypt_prepare_link() - prepare to link an inode into a possibly-encrypted
+ * directory
* @old_dentry: an existing dentry for the inode being linked
* @dir: the target directory
* @dentry: negative dentry for the target filename
@@ -557,7 +592,8 @@ static inline int fscrypt_prepare_link(struct dentry *old_dentry,
}
/**
- * fscrypt_prepare_rename - prepare for a rename between possibly-encrypted directories
+ * fscrypt_prepare_rename() - prepare for a rename between possibly-encrypted
+ * directories
* @old_dir: source directory
* @old_dentry: dentry for source file
* @new_dir: target directory
@@ -590,7 +626,8 @@ static inline int fscrypt_prepare_rename(struct inode *old_dir,
}
/**
- * fscrypt_prepare_lookup - prepare to lookup a name in a possibly-encrypted directory
+ * fscrypt_prepare_lookup() - prepare to lookup a name in a possibly-encrypted
+ * directory
* @dir: directory being searched
* @dentry: filename being looked up
* @fname: (output) the name to use to search the on-disk directory
@@ -623,7 +660,8 @@ static inline int fscrypt_prepare_lookup(struct inode *dir,
}
/**
- * fscrypt_prepare_setattr - prepare to change a possibly-encrypted inode's attributes
+ * fscrypt_prepare_setattr() - prepare to change a possibly-encrypted inode's
+ * attributes
* @dentry: dentry through which the inode is being changed
* @attr: attributes to change
*
@@ -648,7 +686,7 @@ static inline int fscrypt_prepare_setattr(struct dentry *dentry,
}
/**
- * fscrypt_prepare_symlink - prepare to create a possibly-encrypted symlink
+ * fscrypt_prepare_symlink() - prepare to create a possibly-encrypted symlink
* @dir: directory in which the symlink is being created
* @target: plaintext symlink target
* @len: length of @target excluding null terminator
@@ -676,7 +714,7 @@ static inline int fscrypt_prepare_symlink(struct inode *dir,
unsigned int max_len,
struct fscrypt_str *disk_link)
{
- if (IS_ENCRYPTED(dir) || fscrypt_dummy_context_enabled(dir))
+ if (IS_ENCRYPTED(dir) || fscrypt_get_dummy_context(dir->i_sb) != NULL)
return __fscrypt_prepare_symlink(dir, len, max_len, disk_link);
disk_link->name = (unsigned char *)target;
@@ -687,7 +725,7 @@ static inline int fscrypt_prepare_symlink(struct inode *dir,
}
/**
- * fscrypt_encrypt_symlink - encrypt the symlink target if needed
+ * fscrypt_encrypt_symlink() - encrypt the symlink target if needed
* @inode: symlink inode
* @target: plaintext symlink target
* @len: length of @target excluding null terminator
diff --git a/include/linux/fsl/ptp_qoriq.h b/include/linux/fsl/ptp_qoriq.h
index 75884563059f..884b8f8ca06d 100644
--- a/include/linux/fsl/ptp_qoriq.h
+++ b/include/linux/fsl/ptp_qoriq.h
@@ -135,7 +135,7 @@ struct ptp_qoriq_registers {
#define DEFAULT_CKSEL 1
#define DEFAULT_TMR_PRSC 2
#define DEFAULT_FIPER1_PERIOD 1000000000
-#define DEFAULT_FIPER2_PERIOD 100000
+#define DEFAULT_FIPER2_PERIOD 1000000000
struct ptp_qoriq {
void __iomem *base;
diff --git a/include/linux/fsverity.h b/include/linux/fsverity.h
index ecc604e61d61..78201a6d35f6 100644
--- a/include/linux/fsverity.h
+++ b/include/linux/fsverity.h
@@ -121,23 +121,23 @@ static inline struct fsverity_info *fsverity_get_info(const struct inode *inode)
/* enable.c */
-extern int fsverity_ioctl_enable(struct file *filp, const void __user *arg);
+int fsverity_ioctl_enable(struct file *filp, const void __user *arg);
/* measure.c */
-extern int fsverity_ioctl_measure(struct file *filp, void __user *arg);
+int fsverity_ioctl_measure(struct file *filp, void __user *arg);
/* open.c */
-extern int fsverity_file_open(struct inode *inode, struct file *filp);
-extern int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr);
-extern void fsverity_cleanup_inode(struct inode *inode);
+int fsverity_file_open(struct inode *inode, struct file *filp);
+int fsverity_prepare_setattr(struct dentry *dentry, struct iattr *attr);
+void fsverity_cleanup_inode(struct inode *inode);
/* verify.c */
-extern bool fsverity_verify_page(struct page *page);
-extern void fsverity_verify_bio(struct bio *bio);
-extern void fsverity_enqueue_verify_work(struct work_struct *work);
+bool fsverity_verify_page(struct page *page);
+void fsverity_verify_bio(struct bio *bio);
+void fsverity_enqueue_verify_work(struct work_struct *work);
#else /* !CONFIG_FS_VERITY */
@@ -200,6 +200,7 @@ static inline void fsverity_enqueue_verify_work(struct work_struct *work)
/**
* fsverity_active() - do reads from the inode need to go through fs-verity?
+ * @inode: inode to check
*
* This checks whether ->i_verity_info has been set.
*
@@ -207,6 +208,8 @@ static inline void fsverity_enqueue_verify_work(struct work_struct *work)
* be verified or not. Don't use IS_VERITY() for this purpose; it's subject to
* a race condition where the file is being read concurrently with
* FS_IOC_ENABLE_VERITY completing. (S_VERITY is set before ->i_verity_info.)
+ *
+ * Return: true if reads need to go through fs-verity, otherwise false
*/
static inline bool fsverity_active(const struct inode *inode)
{
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index db95244a62d4..dfbbf7a7208b 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -210,6 +210,29 @@ struct ftrace_ops {
#endif
};
+extern struct ftrace_ops __rcu *ftrace_ops_list;
+extern struct ftrace_ops ftrace_list_end;
+
+/*
+ * Traverse the ftrace_global_list, invoking all entries. The reason that we
+ * can use rcu_dereference_raw_check() is that elements removed from this list
+ * are simply leaked, so there is no need to interact with a grace-period
+ * mechanism. The rcu_dereference_raw_check() calls are needed to handle
+ * concurrent insertions into the ftrace_global_list.
+ *
+ * Silly Alpha and silly pointer-speculation compiler optimizations!
+ */
+#define do_for_each_ftrace_op(op, list) \
+ op = rcu_dereference_raw_check(list); \
+ do
+
+/*
+ * Optimized for just a single item in the list (as that is the normal case).
+ */
+#define while_for_each_ftrace_op(op) \
+ while (likely(op = rcu_dereference_raw_check((op)->next)) && \
+ unlikely((op) != &ftrace_list_end))
+
/*
* Type of the current tracing.
*/
@@ -1005,8 +1028,7 @@ extern void disable_trace_on_warning(void);
extern int __disable_trace_on_warning;
int tracepoint_printk_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
#else /* CONFIG_TRACING */
static inline void disable_trace_on_warning(void) { }
diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h
index ccda97dc7f8b..0abd9a1d2852 100644
--- a/include/linux/ftrace_irq.h
+++ b/include/linux/ftrace_irq.h
@@ -2,15 +2,6 @@
#ifndef _LINUX_FTRACE_IRQ_H
#define _LINUX_FTRACE_IRQ_H
-
-#ifdef CONFIG_FTRACE_NMI_ENTER
-extern void arch_ftrace_nmi_enter(void);
-extern void arch_ftrace_nmi_exit(void);
-#else
-static inline void arch_ftrace_nmi_enter(void) { }
-static inline void arch_ftrace_nmi_exit(void) { }
-#endif
-
#ifdef CONFIG_HWLAT_TRACER
extern bool trace_hwlat_callback_enabled;
extern void trace_hwlat_callback(bool enter);
@@ -22,12 +13,10 @@ static inline void ftrace_nmi_enter(void)
if (trace_hwlat_callback_enabled)
trace_hwlat_callback(true);
#endif
- arch_ftrace_nmi_enter();
}
static inline void ftrace_nmi_exit(void)
{
- arch_ftrace_nmi_exit();
#ifdef CONFIG_HWLAT_TRACER
if (trace_hwlat_callback_enabled)
trace_hwlat_callback(false);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 9b3fffdf4011..392aad5e29a2 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -39,15 +39,6 @@ extern struct class block_class;
#include <linux/fs.h>
#include <linux/workqueue.h>
-struct disk_stats {
- u64 nsecs[NR_STAT_GROUPS];
- unsigned long sectors[NR_STAT_GROUPS];
- unsigned long ios[NR_STAT_GROUPS];
- unsigned long merges[NR_STAT_GROUPS];
- unsigned long io_ticks;
- local_t in_flight[2];
-};
-
#define PARTITION_META_INFO_VOLNAMELTH 64
/*
* Enough for the string representation of any kind of UUID plus NULL.
@@ -68,7 +59,13 @@ struct hd_struct {
* can be non-atomic on 32bit machines with 64bit sector_t.
*/
sector_t nr_sects;
+#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
seqcount_t nr_sects_seq;
+#endif
+ unsigned long stamp;
+ struct disk_stats __percpu *dkstats;
+ struct percpu_ref ref;
+
sector_t alignment_offset;
unsigned int discard_alignment;
struct device __dev;
@@ -78,13 +75,6 @@ struct hd_struct {
#ifdef CONFIG_FAIL_MAKE_REQUEST
int make_it_fail;
#endif
- unsigned long stamp;
-#ifdef CONFIG_SMP
- struct disk_stats __percpu *dkstats;
-#else
- struct disk_stats dkstats;
-#endif
- struct percpu_ref ref;
struct rcu_work rcu_work;
};
@@ -169,8 +159,6 @@ struct disk_part_tbl {
struct disk_events;
struct badblocks;
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-
struct blk_integrity {
const struct blk_integrity_profile *profile;
unsigned char flags;
@@ -179,8 +167,6 @@ struct blk_integrity {
unsigned char tag_size;
};
-#endif /* CONFIG_BLK_DEV_INTEGRITY */
-
struct gendisk {
/* major, first_minor and minors are input parameters only,
* don't use directly. Use disk_devt() and disk_max_parts().
@@ -217,11 +203,20 @@ struct gendisk {
#ifdef CONFIG_BLK_DEV_INTEGRITY
struct kobject integrity_kobj;
#endif /* CONFIG_BLK_DEV_INTEGRITY */
+#if IS_ENABLED(CONFIG_CDROM)
+ struct cdrom_device_info *cdi;
+#endif
int node_id;
struct badblocks *bb;
struct lockdep_map lockdep_map;
};
+#if IS_REACHABLE(CONFIG_CDROM)
+#define disk_to_cdi(disk) ((disk)->cdi)
+#else
+#define disk_to_cdi(disk) NULL
+#endif
+
static inline struct gendisk *part_to_disk(struct hd_struct *part)
{
if (likely(part)) {
@@ -265,6 +260,13 @@ static inline void disk_put_part(struct hd_struct *part)
put_device(part_to_dev(part));
}
+static inline void hd_sects_seq_init(struct hd_struct *p)
+{
+#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
+ seqcount_init(&p->nr_sects_seq);
+#endif
+}
+
/*
* Smarter partition iterator without context limits.
*/
@@ -339,7 +341,7 @@ extern dev_t blk_lookup_devt(const char *name, int partno);
int bdev_disk_changed(struct block_device *bdev, bool invalidate);
int blk_add_partitions(struct gendisk *disk, struct block_device *bdev);
-int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev);
+int blk_drop_partitions(struct block_device *bdev);
extern void printk_all_partitions(void);
extern struct gendisk *__alloc_disk_node(int minors, int node_id);
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 4aba4c86c626..67a0774e080b 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -110,6 +110,11 @@ struct vm_area_struct;
* the caller guarantees the allocation will allow more memory to be freed
* very shortly e.g. process exiting or swapping. Users either should
* be the MM or co-ordinating closely with the VM (e.g. swap over NFS).
+ * Users of this flag have to be extremely careful to not deplete the reserve
+ * completely and implement a throttling mechanism which controls the
+ * consumption of the reserve based on the amount of freed memory.
+ * Usage of a pre-allocated pool (e.g. mempool) should be always considered
+ * before using this flag.
*
* %__GFP_NOMEMALLOC is used to explicitly forbid access to emergency reserves.
* This takes precedence over the %__GFP_MEMALLOC flag if both are set.
@@ -307,7 +312,7 @@ struct vm_area_struct;
#define GFP_MOVABLE_MASK (__GFP_RECLAIMABLE|__GFP_MOVABLE)
#define GFP_MOVABLE_SHIFT 3
-static inline int gfpflags_to_migratetype(const gfp_t gfp_flags)
+static inline int gfp_migratetype(const gfp_t gfp_flags)
{
VM_WARN_ON((gfp_flags & GFP_MOVABLE_MASK) == GFP_MOVABLE_MASK);
BUILD_BUG_ON((1UL << GFP_MOVABLE_SHIFT) != ___GFP_MOVABLE);
diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h
index 7c8b82f69288..e07cf853aa16 100644
--- a/include/linux/hardirq.h
+++ b/include/linux/hardirq.h
@@ -2,31 +2,28 @@
#ifndef LINUX_HARDIRQ_H
#define LINUX_HARDIRQ_H
+#include <linux/context_tracking_state.h>
#include <linux/preempt.h>
#include <linux/lockdep.h>
#include <linux/ftrace_irq.h>
#include <linux/vtime.h>
#include <asm/hardirq.h>
-
extern void synchronize_irq(unsigned int irq);
extern bool synchronize_hardirq(unsigned int irq);
-#if defined(CONFIG_TINY_RCU)
-
-static inline void rcu_nmi_enter(void)
-{
-}
+#ifdef CONFIG_NO_HZ_FULL
+void __rcu_irq_enter_check_tick(void);
+#else
+static inline void __rcu_irq_enter_check_tick(void) { }
+#endif
-static inline void rcu_nmi_exit(void)
+static __always_inline void rcu_irq_enter_check_tick(void)
{
+ if (context_tracking_enabled())
+ __rcu_irq_enter_check_tick();
}
-#else
-extern void rcu_nmi_enter(void);
-extern void rcu_nmi_exit(void);
-#endif
-
/*
* It is safe to do non-atomic ops on ->hardirq_context,
* because NMI handlers may not preempt and the ops are
@@ -65,14 +62,34 @@ extern void irq_exit(void);
#define arch_nmi_exit() do { } while (0)
#endif
+#ifdef CONFIG_TINY_RCU
+static inline void rcu_nmi_enter(void) { }
+static inline void rcu_nmi_exit(void) { }
+#else
+extern void rcu_nmi_enter(void);
+extern void rcu_nmi_exit(void);
+#endif
+
+/*
+ * NMI vs Tracing
+ * --------------
+ *
+ * We must not land in a tracer until (or after) we've changed preempt_count
+ * such that in_nmi() becomes true. To that effect all NMI C entry points must
+ * be marked 'notrace' and call nmi_enter() as soon as possible.
+ */
+
+/*
+ * nmi_enter() can nest up to 15 times; see NMI_BITS.
+ */
#define nmi_enter() \
do { \
arch_nmi_enter(); \
printk_nmi_enter(); \
lockdep_off(); \
ftrace_nmi_enter(); \
- BUG_ON(in_nmi()); \
- preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \
+ BUG_ON(in_nmi() == NMI_MASK); \
+ __preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \
rcu_nmi_enter(); \
lockdep_hardirq_enter(); \
} while (0)
@@ -82,7 +99,7 @@ extern void irq_exit(void);
lockdep_hardirq_exit(); \
rcu_nmi_exit(); \
BUG_ON(!in_nmi()); \
- preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \
+ __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \
ftrace_nmi_exit(); \
lockdep_on(); \
printk_nmi_exit(); \
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index 9613d796cfb1..50c31f1a0a2d 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -219,6 +219,8 @@ ssize_t hdmi_drm_infoframe_pack(struct hdmi_drm_infoframe *frame, void *buffer,
ssize_t hdmi_drm_infoframe_pack_only(const struct hdmi_drm_infoframe *frame,
void *buffer, size_t size);
int hdmi_drm_infoframe_check(struct hdmi_drm_infoframe *frame);
+int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame,
+ const void *buffer, size_t size);
enum hdmi_spd_sdi {
HDMI_SPD_SDI_UNKNOWN,
diff --git a/include/linux/hmm.h b/include/linux/hmm.h
index 7475051100c7..e912b9dc4633 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -19,51 +19,47 @@
#include <linux/mmu_notifier.h>
/*
- * hmm_pfn_flag_e - HMM flag enums
+ * On output:
+ * 0 - The page is faultable and a future call with
+ * HMM_PFN_REQ_FAULT could succeed.
+ * HMM_PFN_VALID - the pfn field points to a valid PFN. This PFN is at
+ * least readable. If dev_private_owner is !NULL then this could
+ * point at a DEVICE_PRIVATE page.
+ * HMM_PFN_WRITE - if the page memory can be written to (requires HMM_PFN_VALID)
+ * HMM_PFN_ERROR - accessing the pfn is impossible and the device should
+ * fail. ie poisoned memory, special pages, no vma, etc
*
- * Flags:
- * HMM_PFN_VALID: pfn is valid. It has, at least, read permission.
- * HMM_PFN_WRITE: CPU page table has write permission set
- *
- * The driver provides a flags array for mapping page protections to device
- * PTE bits. If the driver valid bit for an entry is bit 3,
- * i.e., (entry & (1 << 3)), then the driver must provide
- * an array in hmm_range.flags with hmm_range.flags[HMM_PFN_VALID] == 1 << 3.
- * Same logic apply to all flags. This is the same idea as vm_page_prot in vma
- * except that this is per device driver rather than per architecture.
+ * On input:
+ * 0 - Return the current state of the page, do not fault it.
+ * HMM_PFN_REQ_FAULT - The output must have HMM_PFN_VALID or hmm_range_fault()
+ * will fail
+ * HMM_PFN_REQ_WRITE - The output must have HMM_PFN_WRITE or hmm_range_fault()
+ * will fail. Must be combined with HMM_PFN_REQ_FAULT.
*/
-enum hmm_pfn_flag_e {
- HMM_PFN_VALID = 0,
- HMM_PFN_WRITE,
- HMM_PFN_FLAG_MAX
+enum hmm_pfn_flags {
+ /* Output flags */
+ HMM_PFN_VALID = 1UL << (BITS_PER_LONG - 1),
+ HMM_PFN_WRITE = 1UL << (BITS_PER_LONG - 2),
+ HMM_PFN_ERROR = 1UL << (BITS_PER_LONG - 3),
+
+ /* Input flags */
+ HMM_PFN_REQ_FAULT = HMM_PFN_VALID,
+ HMM_PFN_REQ_WRITE = HMM_PFN_WRITE,
+
+ HMM_PFN_FLAGS = HMM_PFN_VALID | HMM_PFN_WRITE | HMM_PFN_ERROR,
};
/*
- * hmm_pfn_value_e - HMM pfn special value
- *
- * Flags:
- * HMM_PFN_ERROR: corresponding CPU page table entry points to poisoned memory
- * HMM_PFN_NONE: corresponding CPU page table entry is pte_none()
- * HMM_PFN_SPECIAL: corresponding CPU page table entry is special; i.e., the
- * result of vmf_insert_pfn() or vm_insert_page(). Therefore, it should not
- * be mirrored by a device, because the entry will never have HMM_PFN_VALID
- * set and the pfn value is undefined.
+ * hmm_pfn_to_page() - return struct page pointed to by a device entry
*
- * Driver provides values for none entry, error entry, and special entry.
- * Driver can alias (i.e., use same value) error and special, but
- * it should not alias none with error or special.
- *
- * HMM pfn value returned by hmm_vma_get_pfns() or hmm_vma_fault() will be:
- * hmm_range.values[HMM_PFN_ERROR] if CPU page table entry is poisonous,
- * hmm_range.values[HMM_PFN_NONE] if there is no CPU page table entry,
- * hmm_range.values[HMM_PFN_SPECIAL] if CPU page table entry is a special one
+ * This must be called under the caller 'user_lock' after a successful
+ * mmu_interval_read_begin(). The caller must have tested for HMM_PFN_VALID
+ * already.
*/
-enum hmm_pfn_value_e {
- HMM_PFN_ERROR,
- HMM_PFN_NONE,
- HMM_PFN_SPECIAL,
- HMM_PFN_VALUE_MAX
-};
+static inline struct page *hmm_pfn_to_page(unsigned long hmm_pfn)
+{
+ return pfn_to_page(hmm_pfn & ~HMM_PFN_FLAGS);
+}
/*
* struct hmm_range - track invalidation lock on virtual address range
@@ -72,12 +68,9 @@ enum hmm_pfn_value_e {
* @notifier_seq: result of mmu_interval_read_begin()
* @start: range virtual start address (inclusive)
* @end: range virtual end address (exclusive)
- * @pfns: array of pfns (big enough for the range)
- * @flags: pfn flags to match device driver page table
- * @values: pfn value for some special case (none, special, error, ...)
+ * @hmm_pfns: array of pfns (big enough for the range)
* @default_flags: default flags for the range (write, read, ... see hmm doc)
* @pfn_flags_mask: allows to mask pfn flags so that only default_flags matter
- * @pfn_shift: pfn shift value (should be <= PAGE_SHIFT)
* @dev_private_owner: owner of device private pages
*/
struct hmm_range {
@@ -85,42 +78,16 @@ struct hmm_range {
unsigned long notifier_seq;
unsigned long start;
unsigned long end;
- uint64_t *pfns;
- const uint64_t *flags;
- const uint64_t *values;
- uint64_t default_flags;
- uint64_t pfn_flags_mask;
- uint8_t pfn_shift;
+ unsigned long *hmm_pfns;
+ unsigned long default_flags;
+ unsigned long pfn_flags_mask;
void *dev_private_owner;
};
/*
- * hmm_device_entry_to_page() - return struct page pointed to by a device entry
- * @range: range use to decode device entry value
- * @entry: device entry value to get corresponding struct page from
- * Return: struct page pointer if entry is a valid, NULL otherwise
- *
- * If the device entry is valid (ie valid flag set) then return the struct page
- * matching the entry value. Otherwise return NULL.
- */
-static inline struct page *hmm_device_entry_to_page(const struct hmm_range *range,
- uint64_t entry)
-{
- if (entry == range->values[HMM_PFN_NONE])
- return NULL;
- if (entry == range->values[HMM_PFN_ERROR])
- return NULL;
- if (entry == range->values[HMM_PFN_SPECIAL])
- return NULL;
- if (!(entry & range->flags[HMM_PFN_VALID]))
- return NULL;
- return pfn_to_page(entry >> range->pfn_shift);
-}
-
-/*
* Please see Documentation/vm/hmm.rst for how to use the range API.
*/
-long hmm_range_fault(struct hmm_range *range);
+int hmm_range_fault(struct hmm_range *range);
/*
* HMM_RANGE_DEFAULT_TIMEOUT - default timeout (ms) when waiting for a range
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index 62d216ff1097..c230b4e70d75 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -17,9 +17,12 @@ enum host1x_class {
HOST1X_CLASS_GR3D = 0x60,
};
+struct host1x;
struct host1x_client;
struct iommu_group;
+u64 host1x_get_dma_mask(struct host1x *host1x);
+
/**
* struct host1x_client_ops - host1x client operations
* @init: host1x client initialization code
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 43a1cef8f0f1..0cced410e0bd 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -105,14 +105,13 @@ struct hugepage_subpool *hugepage_new_subpool(struct hstate *h, long max_hpages,
void hugepage_put_subpool(struct hugepage_subpool *spool);
void reset_vma_resv_huge_pages(struct vm_area_struct *vma);
-int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
-int hugetlb_overcommit_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
-int hugetlb_treat_movable_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
-
-#ifdef CONFIG_NUMA
-int hugetlb_mempolicy_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-#endif
+int hugetlb_sysctl_handler(struct ctl_table *, int, void *, size_t *, loff_t *);
+int hugetlb_overcommit_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int hugetlb_treat_movable_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int hugetlb_mempolicy_sysctl_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *);
long follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *,
@@ -519,8 +518,8 @@ int huge_add_to_page_cache(struct page *page, struct address_space *mapping,
int __init __alloc_bootmem_huge_page(struct hstate *h);
int __init alloc_bootmem_huge_page(struct hstate *h);
-void __init hugetlb_bad_size(void);
void __init hugetlb_add_hstate(unsigned order);
+bool __init arch_hugetlb_valid_size(unsigned long size);
struct hstate *size_to_hstate(unsigned long size);
#ifndef HUGE_MAX_HSTATE
@@ -591,6 +590,20 @@ static inline unsigned int blocks_per_huge_page(struct hstate *h)
#include <asm/hugetlb.h>
+#ifndef is_hugepage_only_range
+static inline int is_hugepage_only_range(struct mm_struct *mm,
+ unsigned long addr, unsigned long len)
+{
+ return 0;
+}
+#define is_hugepage_only_range is_hugepage_only_range
+#endif
+
+#ifndef arch_clear_hugepage_flags
+static inline void arch_clear_hugepage_flags(struct page *page) { }
+#define arch_clear_hugepage_flags arch_clear_hugepage_flags
+#endif
+
#ifndef arch_make_huge_pte
static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
struct page *page, int writable)
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 5e609f25878c..363d4a814aa1 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -436,6 +436,9 @@ devm_hwmon_device_register_with_info(struct device *dev,
void hwmon_device_unregister(struct device *dev);
void devm_hwmon_device_unregister(struct device *dev);
+int hwmon_notify_event(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel);
+
/**
* hwmon_is_bad_char - Is the char invalid in a hwmon name
* @ch: the char to be considered
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 692c89ccf5df..40df3103e890 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -117,7 +117,7 @@ struct hv_ring_buffer {
* Ring data starts here + RingDataStartOffset
* !!! DO NOT place any fields below this !!!
*/
- u8 buffer[0];
+ u8 buffer[];
} __packed;
struct hv_ring_buffer_info {
@@ -313,7 +313,7 @@ struct vmadd_remove_transfer_page_set {
struct gpa_range {
u32 byte_count;
u32 byte_offset;
- u64 pfn_array[0];
+ u64 pfn_array[];
};
/*
@@ -425,7 +425,7 @@ enum vmbus_channel_message_type {
CHANNELMSG_19 = 19,
CHANNELMSG_20 = 20,
CHANNELMSG_TL_CONNECT_REQUEST = 21,
- CHANNELMSG_22 = 22,
+ CHANNELMSG_MODIFYCHANNEL = 22,
CHANNELMSG_TL_CONNECT_RESULT = 23,
CHANNELMSG_COUNT
};
@@ -563,7 +563,7 @@ struct vmbus_channel_gpadl_header {
u32 gpadl;
u16 range_buflen;
u16 rangecount;
- struct gpa_range range[0];
+ struct gpa_range range[];
} __packed;
/* This is the followup packet that contains more PFNs. */
@@ -571,7 +571,7 @@ struct vmbus_channel_gpadl_body {
struct vmbus_channel_message_header header;
u32 msgnumber;
u32 gpadl;
- u64 pfn[0];
+ u64 pfn[];
} __packed;
struct vmbus_channel_gpadl_created {
@@ -620,6 +620,13 @@ struct vmbus_channel_tl_connect_request {
guid_t host_service_id;
} __packed;
+/* Modify Channel parameters, cf. vmbus_send_modifychannel() */
+struct vmbus_channel_modifychannel {
+ struct vmbus_channel_message_header header;
+ u32 child_relid;
+ u32 target_vp;
+} __packed;
+
struct vmbus_channel_version_response {
struct vmbus_channel_message_header header;
u8 version_supported;
@@ -672,7 +679,7 @@ struct vmbus_channel_msginfo {
* The channel message that goes out on the "wire".
* It will contain at minimum the VMBUS_CHANNEL_MESSAGE_HEADER header
*/
- unsigned char msg[0];
+ unsigned char msg[];
};
struct vmbus_close_msg {
@@ -689,11 +696,6 @@ union hv_connection_id {
} u;
};
-enum hv_numa_policy {
- HV_BALANCED = 0,
- HV_LOCALIZED,
-};
-
enum vmbus_device_type {
HV_IDE = 0,
HV_SCSI,
@@ -771,6 +773,15 @@ struct vmbus_channel {
void (*onchannel_callback)(void *context);
void *channel_callback_context;
+ void (*change_target_cpu_callback)(struct vmbus_channel *channel,
+ u32 old, u32 new);
+
+ /*
+ * Synchronize channel scheduling and channel removal; see the inline
+ * comments in vmbus_chan_sched() and vmbus_reset_channel_cb().
+ */
+ spinlock_t sched_lock;
+
/*
* A channel can be marked for one of three modes of reading:
* BATCHED - callback called from taslket and should read
@@ -802,10 +813,6 @@ struct vmbus_channel {
u32 target_vp;
/* The corresponding CPUID in the guest */
u32 target_cpu;
- /*
- * State to manage the CPU affiliation of channels.
- */
- struct cpumask alloced_cpus_in_node;
int numa_node;
/*
* Support for sub-channels. For high performance devices,
@@ -854,11 +861,6 @@ struct vmbus_channel {
* Support per-channel state for use by vmbus drivers.
*/
void *per_channel_state;
- /*
- * To support per-cpu lookup mapping of relid to channel,
- * link up channels based on their CPU affinity.
- */
- struct list_head percpu_list;
/*
* Defer freeing channel until after all cpu's have
@@ -897,19 +899,14 @@ struct vmbus_channel {
*/
bool low_latency;
+ bool probe_done;
+
/*
- * NUMA distribution policy:
- * We support two policies:
- * 1) Balanced: Here all performance critical channels are
- * distributed evenly amongst all the NUMA nodes.
- * This policy will be the default policy.
- * 2) Localized: All channels of a given instance of a
- * performance critical service will be assigned CPUs
- * within a selected NUMA node.
+ * Cache the device ID here for easy access; this is useful, in
+ * particular, in situations where the channel's device_obj has
+ * not been allocated/initialized yet.
*/
- enum hv_numa_policy affinity_policy;
-
- bool probe_done;
+ u16 device_id;
/*
* We must offload the handling of the primary/sub channels
@@ -964,12 +961,6 @@ static inline bool is_sub_channel(const struct vmbus_channel *c)
return c->offermsg.offer.sub_channel_index != 0;
}
-static inline void set_channel_affinity_state(struct vmbus_channel *c,
- enum hv_numa_policy policy)
-{
- c->affinity_policy = policy;
-}
-
static inline void set_channel_read_mode(struct vmbus_channel *c,
enum hv_callback_mode mode)
{
@@ -1017,7 +1008,7 @@ static inline void clear_low_latency_mode(struct vmbus_channel *c)
c->low_latency = false;
}
-void vmbus_onmessage(void *context);
+void vmbus_onmessage(struct vmbus_channel_message_header *hdr);
int vmbus_request_offers(void);
@@ -1531,6 +1522,7 @@ extern __u32 vmbus_proto_version;
int vmbus_send_tl_connect_request(const guid_t *shv_guest_servie_id,
const guid_t *shv_host_servie_id);
+int vmbus_send_modifychannel(u32 child_relid, u32 target_vp);
void vmbus_set_event(struct vmbus_channel *channel);
/* Get the start of the ring buffer. */
diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h
index c5a977320f82..98ef73b7c8fd 100644
--- a/include/linux/i2c-mux.h
+++ b/include/linux/i2c-mux.h
@@ -29,7 +29,7 @@ struct i2c_mux_core {
int num_adapters;
int max_adapters;
- struct i2c_adapter *adapter[0];
+ struct i2c_adapter *adapter[];
};
struct i2c_mux_core *i2c_mux_alloc(struct i2c_adapter *parent,
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 45d36ba4826b..49d29054e657 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -2,7 +2,7 @@
/*
* i2c.h - definitions for the Linux i2c bus interface
* Copyright (C) 1995-2000 Simon G. Vogl
- * Copyright (C) 2013-2019 Wolfram Sang <wsa@the-dreams.de>
+ * Copyright (C) 2013-2019 Wolfram Sang <wsa@kernel.org>
*
* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and
* Frodo Looijaard <frodol@dds.nl>
diff --git a/include/linux/idr.h b/include/linux/idr.h
index ac6e946b6767..3ade03e5c7af 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -171,7 +171,7 @@ static inline bool idr_is_empty(const struct idr *idr)
*/
static inline void idr_preload_end(void)
{
- preempt_enable();
+ local_unlock(&radix_tree_preloads.lock);
}
/**
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 16268ef1cbcc..fe15f831841b 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -9,7 +9,7 @@
* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
* Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
* Copyright (c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright (c) 2018 - 2019 Intel Corporation
+ * Copyright (c) 2018 - 2020 Intel Corporation
*/
#ifndef LINUX_IEEE80211_H
@@ -105,6 +105,51 @@
/* extension, added by 802.11ad */
#define IEEE80211_STYPE_DMG_BEACON 0x0000
+#define IEEE80211_STYPE_S1G_BEACON 0x0010
+
+/* bits unique to S1G beacon */
+#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
+
+/* see 802.11ah-2016 9.9 NDP CMAC frames */
+#define IEEE80211_S1G_1MHZ_NDP_BITS 25
+#define IEEE80211_S1G_1MHZ_NDP_BYTES 4
+#define IEEE80211_S1G_2MHZ_NDP_BITS 37
+#define IEEE80211_S1G_2MHZ_NDP_BYTES 5
+
+#define IEEE80211_NDP_FTYPE_CTS 0
+#define IEEE80211_NDP_FTYPE_CF_END 0
+#define IEEE80211_NDP_FTYPE_PS_POLL 1
+#define IEEE80211_NDP_FTYPE_ACK 2
+#define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
+#define IEEE80211_NDP_FTYPE_BA 4
+#define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
+#define IEEE80211_NDP_FTYPE_PAGING 6
+#define IEEE80211_NDP_FTYPE_PREQ 7
+
+#define SM64(f, v) ((((u64)v) << f##_S) & f)
+
+/* NDP CMAC frame fields */
+#define IEEE80211_NDP_FTYPE 0x0000000000000007
+#define IEEE80211_NDP_FTYPE_S 0x0000000000000000
+
+/* 1M Probe Request 11ah 9.9.3.1.1 */
+#define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
+#define IEEE80211_NDP_1M_PREQ_ANO_S 3
+#define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
+#define IEEE80211_NDP_1M_PREQ_CSSID_S 4
+#define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
+#define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
+#define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
+#define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
+/* 2M Probe Request 11ah 9.9.3.1.2 */
+#define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
+#define IEEE80211_NDP_2M_PREQ_ANO_S 3
+#define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
+#define IEEE80211_NDP_2M_PREQ_CSSID_S 4
+#define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
+#define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
+
+#define IEEE80211_ANO_NETTYPE_WILD 15
/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
#define IEEE80211_CTL_EXT_POLL 0x2000
@@ -121,6 +166,21 @@
#define IEEE80211_MAX_SN IEEE80211_SN_MASK
#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
+
+/* PV1 Layout 11ah 9.8.3.1 */
+#define IEEE80211_PV1_FCTL_VERS 0x0003
+#define IEEE80211_PV1_FCTL_FTYPE 0x001c
+#define IEEE80211_PV1_FCTL_STYPE 0x00e0
+#define IEEE80211_PV1_FCTL_TODS 0x0100
+#define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
+#define IEEE80211_PV1_FCTL_PM 0x0400
+#define IEEE80211_PV1_FCTL_MOREDATA 0x0800
+#define IEEE80211_PV1_FCTL_PROTECTED 0x1000
+#define IEEE80211_PV1_FCTL_END_SP 0x2000
+#define IEEE80211_PV1_FCTL_RELAYED 0x4000
+#define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
+#define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
+
static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
{
return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
@@ -148,6 +208,7 @@ static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
#define IEEE80211_MAX_FRAG_THRESHOLD 2352
#define IEEE80211_MAX_RTS_THRESHOLD 2353
#define IEEE80211_MAX_AID 2007
+#define IEEE80211_MAX_AID_S1G 8191
#define IEEE80211_MAX_TIM_LEN 251
#define IEEE80211_MAX_MESH_PEERINGS 63
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
@@ -372,6 +433,17 @@ static inline bool ieee80211_is_data(__le16 fc)
}
/**
+ * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline bool ieee80211_is_ext(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_EXT);
+}
+
+
+/**
* ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
* @fc: frame control bytes in little-endian byteorder
*/
@@ -470,6 +542,18 @@ static inline bool ieee80211_is_beacon(__le16 fc)
}
/**
+ * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
+ * IEEE80211_STYPE_S1G_BEACON
+ * @fc: frame control bytes in little-endian byteorder
+ */
+static inline bool ieee80211_is_s1g_beacon(__le16 fc)
+{
+ return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
+ IEEE80211_FCTL_STYPE)) ==
+ cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
+}
+
+/**
* ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
* @fc: frame control bytes in little-endian byteorder
*/
@@ -716,7 +800,7 @@ struct ieee80211_msrment_ie {
u8 token;
u8 mode;
u8 type;
- u8 request[0];
+ u8 request[];
} __packed;
/**
@@ -859,6 +943,7 @@ enum ieee80211_ht_chanwidth_values {
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
* @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
+ * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
* @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
* (the NSS value is the value of this field + 1)
* @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
@@ -866,11 +951,12 @@ enum ieee80211_ht_chanwidth_values {
* using a beamforming steering matrix
*/
enum ieee80211_vht_opmode_bits {
- IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
+ IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
+ IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
@@ -898,6 +984,59 @@ struct ieee80211_addba_ext_ie {
u8 data;
} __packed;
+/**
+ * struct ieee80211_s1g_bcn_compat_ie
+ *
+ * S1G Beacon Compatibility element
+ */
+struct ieee80211_s1g_bcn_compat_ie {
+ __le16 compat_info;
+ __le16 beacon_int;
+ __le32 tsf_completion;
+} __packed;
+
+/**
+ * struct ieee80211_s1g_oper_ie
+ *
+ * S1G Operation element
+ */
+struct ieee80211_s1g_oper_ie {
+ u8 ch_width;
+ u8 oper_class;
+ u8 primary_ch;
+ u8 oper_ch;
+ __le16 basic_mcs_nss;
+} __packed;
+
+/**
+ * struct ieee80211_aid_response_ie
+ *
+ * AID Response element
+ */
+struct ieee80211_aid_response_ie {
+ __le16 aid;
+ u8 switch_count;
+ __le16 response_int;
+} __packed;
+
+struct ieee80211_s1g_cap {
+ u8 capab_info[10];
+ u8 supp_mcs_nss[5];
+} __packed;
+
+struct ieee80211_ext {
+ __le16 frame_control;
+ __le16 duration;
+ union {
+ struct {
+ u8 sa[ETH_ALEN];
+ __le32 timestamp;
+ u8 change_seq;
+ u8 variable[0];
+ } __packed s1g_beacon;
+ } u;
+} __packed __aligned(2);
+
struct ieee80211_mgmt {
__le16 frame_control;
__le16 duration;
@@ -1065,6 +1204,7 @@ struct ieee80211_mgmt {
/* Supported rates membership selectors */
#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
+#define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
/* mgmt header + 1 byte category code */
#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
@@ -1641,7 +1781,7 @@ struct ieee80211_he_operation {
__le32 he_oper_params;
__le16 he_mcs_nss_set;
/* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
- u8 optional[0];
+ u8 optional[];
} __packed;
/**
@@ -1653,7 +1793,7 @@ struct ieee80211_he_operation {
struct ieee80211_he_spr {
u8 he_sr_control;
/* Optional 0 to 19 bytes: depends on @he_sr_control */
- u8 optional[0];
+ u8 optional[];
} __packed;
/**
@@ -1731,6 +1871,9 @@ struct ieee80211_mu_edca_param_set {
* @ext_nss_bw_capable: indicates whether or not the local transmitter
* (rate scaling algorithm) can deal with the new logic
* (dot11VHTExtendedNSSBWCapable)
+ * @max_vht_nss: current maximum NSS as advertised by the STA in
+ * operating mode notification, can be 0 in which case the
+ * capability data will be used to derive this (from MCS support)
*
* Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
* vary for a given BW/MCS. This function parses the data.
@@ -1739,7 +1882,8 @@ struct ieee80211_mu_edca_param_set {
*/
int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
enum ieee80211_vht_chanwidth bw,
- int mcs, bool ext_nss_bw_capable);
+ int mcs, bool ext_nss_bw_capable,
+ unsigned int max_vht_nss);
/* 802.11ax HE MAC capabilities */
#define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
@@ -1814,6 +1958,8 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
+#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT 3
+
#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
#define IEEE80211_HE_MAC_CAP4_QTP 0x02
#define IEEE80211_HE_MAC_CAP4_BQR 0x04
@@ -1835,6 +1981,9 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
+#define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
+#define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
+
/* 802.11ax HE PHY capabilities */
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
@@ -2047,7 +2196,7 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
}
/* HE Operation defines */
-#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003
+#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
#define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
@@ -2060,6 +2209,28 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
+/**
+ * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
+ * @primary: primary channel
+ * @control: control flags
+ * @ccfs0: channel center frequency segment 0
+ * @ccfs1: channel center frequency segment 1
+ * @minrate: minimum rate (in 1 Mbps units)
+ */
+struct ieee80211_he_6ghz_oper {
+ u8 primary;
+#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
+#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
+#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
+#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
+#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
+#define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
+ u8 control;
+ u8 ccfs0;
+ u8 ccfs1;
+ u8 minrate;
+} __packed;
+
/*
* ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
* @he_oper_ie: byte data of the He Operations IE, stating from the byte
@@ -2086,7 +2257,7 @@ ieee80211_he_oper_size(const u8 *he_oper_ie)
if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
oper_len++;
if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
- oper_len += 4;
+ oper_len += sizeof(struct ieee80211_he_6ghz_oper);
/* Add the first byte (extension ID) to the total length */
oper_len++;
@@ -2094,6 +2265,34 @@ ieee80211_he_oper_size(const u8 *he_oper_ie)
return oper_len;
}
+/**
+ * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
+ * @he_oper: HE operation element (must be pre-validated for size)
+ * but may be %NULL
+ *
+ * Return: a pointer to the 6 GHz operation field, or %NULL
+ */
+static inline const struct ieee80211_he_6ghz_oper *
+ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
+{
+ const u8 *ret = (void *)&he_oper->optional;
+ u32 he_oper_params;
+
+ if (!he_oper)
+ return NULL;
+
+ he_oper_params = le32_to_cpu(he_oper->he_oper_params);
+
+ if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
+ return NULL;
+ if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
+ ret += 3;
+ if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
+ ret++;
+
+ return (void *)ret;
+}
+
/* HE Spatial Reuse defines */
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
@@ -2130,6 +2329,86 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
return spr_len;
}
+/* S1G Capabilities Information field */
+#define S1G_CAPAB_B0_S1G_LONG BIT(0)
+#define S1G_CAPAB_B0_SGI_1MHZ BIT(1)
+#define S1G_CAPAB_B0_SGI_2MHZ BIT(2)
+#define S1G_CAPAB_B0_SGI_4MHZ BIT(3)
+#define S1G_CAPAB_B0_SGI_8MHZ BIT(4)
+#define S1G_CAPAB_B0_SGI_16MHZ BIT(5)
+#define S1G_CAPAB_B0_SUPP_CH_WIDTH_MASK (BIT(6) | BIT(7))
+#define S1G_CAPAB_B0_SUPP_CH_WIDTH_SHIFT 6
+
+#define S1G_CAPAB_B1_RX_LDPC BIT(0)
+#define S1G_CAPAB_B1_TX_STBC BIT(1)
+#define S1G_CAPAB_B1_RX_STBC BIT(2)
+#define S1G_CAPAB_B1_SU_BFER BIT(3)
+#define S1G_CAPAB_B1_SU_BFEE BIT(4)
+#define S1G_CAPAB_B1_BFEE_STS_MASK (BIT(5) | BIT(6) | BIT(7))
+#define S1G_CAPAB_B1_BFEE_STS_SHIFT 5
+
+#define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_MASK (BIT(0) | BIT(1) | BIT(2))
+#define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_SHIFT 0
+#define S1G_CAPAB_B2_MU_BFER BIT(3)
+#define S1G_CAPAB_B2_MU_BFEE BIT(4)
+#define S1G_CAPAB_B2_PLUS_HTC_VHT BIT(5)
+#define S1G_CAPAB_B2_TRAVELING_PILOT_MASK (BIT(6) | BIT(7))
+#define S1G_CAPAB_B2_TRAVELING_PILOT_SHIFT 6
+
+#define S1G_CAPAB_B3_RD_RESPONDER BIT(0)
+#define S1G_CAPAB_B3_HT_DELAYED_BA BIT(1)
+#define S1G_CAPAB_B3_MAX_MPDU_LEN BIT(2)
+#define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_MASK (BIT(3) | BIT(4))
+#define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_SHIFT 3
+#define S1G_CAPAB_B3_MIN_MPDU_START_MASK (BIT(5) | BIT(6) | BIT(7))
+#define S1G_CAPAB_B3_MIN_MPDU_START_SHIFT 5
+
+#define S1G_CAPAB_B4_UPLINK_SYNC BIT(0)
+#define S1G_CAPAB_B4_DYNAMIC_AID BIT(1)
+#define S1G_CAPAB_B4_BAT BIT(2)
+#define S1G_CAPAB_B4_TIME_ADE BIT(3)
+#define S1G_CAPAB_B4_NON_TIM BIT(4)
+#define S1G_CAPAB_B4_GROUP_AID BIT(5)
+#define S1G_CAPAB_B4_STA_TYPE_MASK (BIT(6) | BIT(7))
+#define S1G_CAPAB_B4_STA_TYPE_SHIFT 6
+
+#define S1G_CAPAB_B5_CENT_AUTH_CONTROL BIT(0)
+#define S1G_CAPAB_B5_DIST_AUTH_CONTROL BIT(1)
+#define S1G_CAPAB_B5_AMSDU BIT(2)
+#define S1G_CAPAB_B5_AMPDU BIT(3)
+#define S1G_CAPAB_B5_ASYMMETRIC_BA BIT(4)
+#define S1G_CAPAB_B5_FLOW_CONTROL BIT(5)
+#define S1G_CAPAB_B5_SECTORIZED_BEAM_MASK (BIT(6) | BIT(7))
+#define S1G_CAPAB_B5_SECTORIZED_BEAM_SHIFT 6
+
+#define S1G_CAPAB_B6_OBSS_MITIGATION BIT(0)
+#define S1G_CAPAB_B6_FRAGMENT_BA BIT(1)
+#define S1G_CAPAB_B6_NDP_PS_POLL BIT(2)
+#define S1G_CAPAB_B6_RAW_OPERATION BIT(3)
+#define S1G_CAPAB_B6_PAGE_SLICING BIT(4)
+#define S1G_CAPAB_B6_TXOP_SHARING_IMP_ACK BIT(5)
+#define S1G_CAPAB_B6_VHT_LINK_ADAPT_MASK (BIT(6) | BIT(7))
+#define S1G_CAPAB_B6_VHT_LINK_ADAPT_SHIFT 6
+
+#define S1G_CAPAB_B7_TACK_AS_PS_POLL BIT(0)
+#define S1G_CAPAB_B7_DUP_1MHZ BIT(1)
+#define S1G_CAPAB_B7_MCS_NEGOTIATION BIT(2)
+#define S1G_CAPAB_B7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
+#define S1G_CAPAB_B7_NDP_BFING_REPORT_POLL BIT(4)
+#define S1G_CAPAB_B7_UNSOLICITED_DYN_AID BIT(5)
+#define S1G_CAPAB_B7_SECTOR_TRAINING_OPERATION BIT(6)
+#define S1G_CAPAB_B7_TEMP_PS_MODE_SWITCH BIT(7)
+
+#define S1G_CAPAB_B8_TWT_GROUPING BIT(0)
+#define S1G_CAPAB_B8_BDT BIT(1)
+#define S1G_CAPAB_B8_COLOR_MASK (BIT(2) | BIT(3) | BIT(4))
+#define S1G_CAPAB_B8_COLOR_SHIFT 2
+#define S1G_CAPAB_B8_TWT_REQUEST BIT(5)
+#define S1G_CAPAB_B8_TWT_RESPOND BIT(6)
+#define S1G_CAPAB_B8_PV1_FRAME BIT(7)
+
+#define S1G_CAPAB_B9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
+
/* Authentication algorithms */
#define WLAN_AUTH_OPEN 0
#define WLAN_AUTH_SHARED_KEY 1
@@ -2525,8 +2804,14 @@ enum ieee80211_eid {
WLAN_EID_QUIET_CHANNEL = 198,
WLAN_EID_OPMODE_NOTIF = 199,
+ WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
+
+ WLAN_EID_S1G_BCN_COMPAT = 213,
+ WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
+ WLAN_EID_S1G_CAPABILITIES = 217,
WLAN_EID_VENDOR_SPECIFIC = 221,
WLAN_EID_QOS_PARAMETER = 222,
+ WLAN_EID_S1G_OPERATION = 232,
WLAN_EID_CAG_NUMBER = 237,
WLAN_EID_AP_CSN = 239,
WLAN_EID_FILS_INDICATION = 240,
@@ -2554,9 +2839,19 @@ enum ieee80211_eid_ext {
WLAN_EID_EXT_UORA = 37,
WLAN_EID_EXT_HE_MU_EDCA = 38,
WLAN_EID_EXT_HE_SPR = 39,
+ WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
+ WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
+ WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
+ WLAN_EID_EXT_ESS_REPORT = 45,
+ WLAN_EID_EXT_OPS = 46,
+ WLAN_EID_EXT_HE_BSS_LOAD = 47,
WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
WLAN_EID_EXT_NON_INHERITANCE = 56,
+ WLAN_EID_EXT_KNOWN_BSSID = 57,
+ WLAN_EID_EXT_SHORT_SSID_LIST = 58,
+ WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
+ WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
};
/* Action category code */
@@ -2787,7 +3082,7 @@ enum ieee80211_tdls_actioncode {
#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
/* Defines support for enhanced multi-bssid advertisement*/
-#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
+#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
/* TDLS specific payload type in the LLC/SNAP header */
#define WLAN_TDLS_SNAP_RFTYPE 0x2
@@ -3099,6 +3394,24 @@ struct ieee80211_tspec_ie {
__le16 medium_time;
} __packed;
+struct ieee80211_he_6ghz_capa {
+ /* uses IEEE80211_HE_6GHZ_CAP_* below */
+ __le16 capa;
+} __packed;
+
+/* HE 6 GHz band capabilities */
+/* uses enum ieee80211_min_mpdu_spacing values */
+#define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
+/* uses enum ieee80211_vht_max_ampdu_length_exp values */
+#define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
+/* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
+#define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
+/* WLAN_HT_CAP_SM_PS_* values */
+#define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
+#define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
+#define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
+#define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
+
/**
* ieee80211_get_qos_ctl - get pointer to qos control bytes
* @hdr: the frame
@@ -3323,6 +3636,18 @@ static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
+/* convert frequencies */
+#define MHZ_TO_KHZ(freq) ((freq) * 1000)
+#define KHZ_TO_MHZ(freq) ((freq) / 1000)
+#define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
+#define KHZ_F "%d.%03d"
+
+/* convert powers */
+#define DBI_TO_MBI(gain) ((gain) * 100)
+#define MBI_TO_DBI(gain) ((gain) / 100)
+#define DBM_TO_MBM(gain) ((gain) * 100)
+#define MBM_TO_DBM(gain) ((gain) / 100)
+
/**
* ieee80211_action_contains_tpc - checks if the frame contains TPC element
* @skb: the skb containing the frame, length will be checked
@@ -3430,4 +3755,30 @@ static inline bool for_each_element_completed(const struct element *element,
#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
#define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
+/*
+ * reduced neighbor report, based on Draft P802.11ax_D5.0,
+ * section 9.4.2.170
+ */
+#define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
+#define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
+#define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
+#define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
+#define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 8
+#define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 12
+
+#define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
+#define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
+#define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
+#define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
+#define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
+#define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
+#define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
+
+struct ieee80211_neighbor_ap_info {
+ u8 tbtt_info_hdr;
+ u8 tbtt_info_len;
+ u8 op_class;
+ u8 channel;
+} __packed;
+
#endif /* LINUX_IEEE80211_H */
diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h
index 9e57c4411734..b3a8d3054af0 100644
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -47,6 +47,8 @@ struct br_ip_list {
#define BR_BCAST_FLOOD BIT(14)
#define BR_NEIGH_SUPPRESS BIT(15)
#define BR_ISOLATED BIT(16)
+#define BR_MRP_AWARE BIT(17)
+#define BR_MRP_LOST_CONT BIT(18)
#define BR_DEFAULT_AGEING_TIME (300 * HZ)
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index ec7e4bd07f82..add607943c95 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -67,7 +67,7 @@ struct team_port {
u16 queue_id;
struct list_head qom_list; /* node in queue override mapping list */
struct rcu_head rcu;
- long mode_priv[0];
+ long mode_priv[];
};
static inline struct team_port *team_port_get_rcu(const struct net_device *dev)
@@ -102,10 +102,7 @@ static inline bool team_port_dev_txable(const struct net_device *port_dev)
static inline void team_netpoll_send_skb(struct team_port *port,
struct sk_buff *skb)
{
- struct netpoll *np = port->np;
-
- if (np)
- netpoll_send_skb(np, skb);
+ netpoll_send_skb(port->np, skb);
}
#else
static inline void team_netpoll_send_skb(struct team_port *port,
diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index faa6586a5783..64ce8cd1cfaf 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -123,7 +123,7 @@ extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf,int ifindex);
extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
struct ip_msfilter __user *optval, int __user *optlen);
extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
- struct group_filter __user *optval, int __user *optlen);
+ struct sockaddr_storage __user *p);
extern int ip_mc_sf_allow(struct sock *sk, __be32 local, __be32 rmt,
int dif, int sdif);
extern void ip_mc_init_dev(struct in_device *);
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 17f56a070b20..25c87507a1fa 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -600,7 +600,7 @@ void iio_device_unregister(struct iio_dev *indio_dev);
* 0 on success, negative error number on failure.
*/
#define devm_iio_device_register(dev, indio_dev) \
- __devm_iio_device_register((dev), (indio_dev), THIS_MODULE);
+ __devm_iio_device_register((dev), (indio_dev), THIS_MODULE)
int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev,
struct module *this_mod);
void devm_iio_device_unregister(struct device *dev, struct iio_dev *indio_dev);
diff --git a/include/linux/inet_diag.h b/include/linux/inet_diag.h
index ce9ed1c0602f..0ef2d800fda7 100644
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@@ -71,7 +71,11 @@ static inline size_t inet_diag_msg_attrs_size(void)
+ nla_total_size(1) /* INET_DIAG_SKV6ONLY */
#endif
+ nla_total_size(4) /* INET_DIAG_MARK */
- + nla_total_size(4); /* INET_DIAG_CLASS_ID */
+ + nla_total_size(4) /* INET_DIAG_CLASS_ID */
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ + nla_total_size_64bit(sizeof(u64)) /* INET_DIAG_CGROUP_ID */
+#endif
+ ;
}
int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
struct inet_diag_msg *r, int ext,
diff --git a/include/linux/input/lm8333.h b/include/linux/input/lm8333.h
index 79f918c6e8c5..906da5fc06e0 100644
--- a/include/linux/input/lm8333.h
+++ b/include/linux/input/lm8333.h
@@ -1,6 +1,6 @@
/*
* public include for LM8333 keypad driver - same license as driver
- * Copyright (C) 2012 Wolfram Sang, Pengutronix <w.sang@pengutronix.de>
+ * Copyright (C) 2012 Wolfram Sang, Pengutronix <kernel@pengutronix.de>
*/
#ifndef _LM8333_H
diff --git a/include/linux/iomap.h b/include/linux/iomap.h
index 8b09463dae0d..a5c219c29b10 100644
--- a/include/linux/iomap.h
+++ b/include/linux/iomap.h
@@ -155,8 +155,7 @@ loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from,
const struct iomap_ops *ops);
int iomap_readpage(struct page *page, const struct iomap_ops *ops);
-int iomap_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, const struct iomap_ops *ops);
+void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops);
int iomap_set_page_dirty(struct page *page);
int iomap_is_partially_uptodate(struct page *page, unsigned long from,
unsigned long count);
@@ -252,6 +251,8 @@ int iomap_writepages(struct address_space *mapping,
struct iomap_dio_ops {
int (*end_io)(struct kiocb *iocb, ssize_t size, int error,
unsigned flags);
+ blk_qc_t (*submit_io)(struct inode *inode, struct iomap *iomap,
+ struct bio *bio, loff_t file_offset);
};
ssize_t iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h
index cb20c733b15a..bc89ac625f26 100644
--- a/include/linux/iopoll.h
+++ b/include/linux/iopoll.h
@@ -58,6 +58,48 @@
})
/**
+ * read_poll_timeout_atomic - Periodically poll an address until a condition is
+ * met or a timeout occurs
+ * @op: accessor function (takes @addr as its only argument)
+ * @addr: Address to poll
+ * @val: Variable to read the value into
+ * @cond: Break condition (usually involving @val)
+ * @delay_us: Time to udelay between reads in us (0 tight-loops). Should
+ * be less than ~10us since udelay is used (see
+ * Documentation/timers/timers-howto.rst).
+ * @timeout_us: Timeout in us, 0 means never timeout
+ * @delay_before_read: if it is true, delay @delay_us before read.
+ *
+ * Returns 0 on success and -ETIMEDOUT upon a timeout. In either
+ * case, the last read value at @args is stored in @val.
+ *
+ * When available, you'll probably want to use one of the specialized
+ * macros defined below rather than this macro directly.
+ */
+#define read_poll_timeout_atomic(op, val, cond, delay_us, timeout_us, \
+ delay_before_read, args...) \
+({ \
+ u64 __timeout_us = (timeout_us); \
+ unsigned long __delay_us = (delay_us); \
+ ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
+ if (delay_before_read && __delay_us) \
+ udelay(__delay_us); \
+ for (;;) { \
+ (val) = op(args); \
+ if (cond) \
+ break; \
+ if (__timeout_us && \
+ ktime_compare(ktime_get(), __timeout) > 0) { \
+ (val) = op(args); \
+ break; \
+ } \
+ if (__delay_us) \
+ udelay(__delay_us); \
+ } \
+ (cond) ? 0 : -ETIMEDOUT; \
+})
+
+/**
* readx_poll_timeout - Periodically poll an address until a condition is met or a timeout occurs
* @op: accessor function (takes @addr as its only argument)
* @addr: Address to poll
@@ -96,25 +138,7 @@
* macros defined below rather than this macro directly.
*/
#define readx_poll_timeout_atomic(op, addr, val, cond, delay_us, timeout_us) \
-({ \
- u64 __timeout_us = (timeout_us); \
- unsigned long __delay_us = (delay_us); \
- ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
- for (;;) { \
- (val) = op(addr); \
- if (cond) \
- break; \
- if (__timeout_us && \
- ktime_compare(ktime_get(), __timeout) > 0) { \
- (val) = op(addr); \
- break; \
- } \
- if (__delay_us) \
- udelay(__delay_us); \
- } \
- (cond) ? 0 : -ETIMEDOUT; \
-})
-
+ read_poll_timeout_atomic(op, val, cond, delay_us, timeout_us, false, addr)
#define readb_poll_timeout(addr, val, cond, delay_us, timeout_us) \
readx_poll_timeout(readb, addr, val, cond, delay_us, timeout_us)
diff --git a/include/linux/irq_sim.h b/include/linux/irq_sim.h
index 4500d453a63e..ab831e5ae748 100644
--- a/include/linux/irq_sim.h
+++ b/include/linux/irq_sim.h
@@ -1,41 +1,26 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl>
+ * Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com>
*/
#ifndef _LINUX_IRQ_SIM_H
#define _LINUX_IRQ_SIM_H
-#include <linux/irq_work.h>
#include <linux/device.h>
+#include <linux/fwnode.h>
+#include <linux/irqdomain.h>
/*
* Provides a framework for allocating simulated interrupts which can be
* requested like normal irqs and enqueued from process context.
*/
-struct irq_sim_work_ctx {
- struct irq_work work;
- unsigned long *pending;
-};
-
-struct irq_sim_irq_ctx {
- int irqnum;
- bool enabled;
-};
-
-struct irq_sim {
- struct irq_sim_work_ctx work_ctx;
- int irq_base;
- unsigned int irq_count;
- struct irq_sim_irq_ctx *irqs;
-};
-
-int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs);
-int devm_irq_sim_init(struct device *dev, struct irq_sim *sim,
- unsigned int num_irqs);
-void irq_sim_fini(struct irq_sim *sim);
-void irq_sim_fire(struct irq_sim *sim, unsigned int offset);
-int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset);
+struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode,
+ unsigned int num_irqs);
+struct irq_domain *devm_irq_domain_create_sim(struct device *dev,
+ struct fwnode_handle *fwnode,
+ unsigned int num_irqs);
+void irq_domain_remove_sim(struct irq_domain *domain);
#endif /* _LINUX_IRQ_SIM_H */
diff --git a/include/linux/irq_work.h b/include/linux/irq_work.h
index 3b752e80c017..2735da5f839e 100644
--- a/include/linux/irq_work.h
+++ b/include/linux/irq_work.h
@@ -13,6 +13,8 @@
* busy NULL, 2 -> {free, claimed} : callback in progress, can be claimed
*/
+/* flags share CSD_FLAG_ space */
+
#define IRQ_WORK_PENDING BIT(0)
#define IRQ_WORK_BUSY BIT(1)
@@ -23,9 +25,12 @@
#define IRQ_WORK_CLAIMED (IRQ_WORK_PENDING | IRQ_WORK_BUSY)
+/*
+ * structure shares layout with single_call_data_t.
+ */
struct irq_work {
- atomic_t flags;
struct llist_node llnode;
+ atomic_t flags;
void (*func)(struct irq_work *);
};
@@ -53,9 +58,11 @@ void irq_work_sync(struct irq_work *work);
void irq_work_run(void);
bool irq_work_needs_cpu(void);
+void irq_work_single(void *arg);
#else
static inline bool irq_work_needs_cpu(void) { return false; }
static inline void irq_work_run(void) { }
+static inline void irq_work_single(void *arg) { }
#endif
#endif /* _LINUX_IRQ_WORK_H */
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 8d062e86d954..b37350c4fe37 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -450,6 +450,7 @@ extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
irq_hw_number_t hwirq, struct irq_chip *chip,
void *chip_data, irq_flow_handler_t handler,
void *handler_data, const char *handler_name);
+extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
extern struct irq_domain *irq_domain_create_hierarchy(struct irq_domain *parent,
unsigned int flags, unsigned int size,
@@ -491,7 +492,6 @@ extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
irq_hw_number_t hwirq,
struct irq_chip *chip,
void *chip_data);
-extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
extern void irq_domain_free_irqs_common(struct irq_domain *domain,
unsigned int virq,
unsigned int nr_irqs);
diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h
index 61a9ced3aa50..d7f7e436c3af 100644
--- a/include/linux/irqflags.h
+++ b/include/linux/irqflags.h
@@ -19,16 +19,20 @@
#ifdef CONFIG_PROVE_LOCKING
extern void lockdep_softirqs_on(unsigned long ip);
extern void lockdep_softirqs_off(unsigned long ip);
+ extern void lockdep_hardirqs_on_prepare(unsigned long ip);
extern void lockdep_hardirqs_on(unsigned long ip);
extern void lockdep_hardirqs_off(unsigned long ip);
#else
static inline void lockdep_softirqs_on(unsigned long ip) { }
static inline void lockdep_softirqs_off(unsigned long ip) { }
+ static inline void lockdep_hardirqs_on_prepare(unsigned long ip) { }
static inline void lockdep_hardirqs_on(unsigned long ip) { }
static inline void lockdep_hardirqs_off(unsigned long ip) { }
#endif
#ifdef CONFIG_TRACE_IRQFLAGS
+ extern void trace_hardirqs_on_prepare(void);
+ extern void trace_hardirqs_off_prepare(void);
extern void trace_hardirqs_on(void);
extern void trace_hardirqs_off(void);
# define lockdep_hardirq_context(p) ((p)->hardirq_context)
@@ -96,6 +100,8 @@ do { \
} while (0)
#else
+# define trace_hardirqs_on_prepare() do { } while (0)
+# define trace_hardirqs_off_prepare() do { } while (0)
# define trace_hardirqs_on() do { } while (0)
# define trace_hardirqs_off() do { } while (0)
# define lockdep_hardirq_context(p) 0
diff --git a/include/linux/kdb.h b/include/linux/kdb.h
index 24cd447659e0..0125a677b67f 100644
--- a/include/linux/kdb.h
+++ b/include/linux/kdb.h
@@ -125,7 +125,7 @@ extern const char *kdb_diemsg;
#define KDB_FLAG_NO_I8042 (1 << 7) /* No i8042 chip is available, do
* not use keyboard */
-extern int kdb_flags; /* Global flags, see kdb_state for per cpu state */
+extern unsigned int kdb_flags; /* Global flags, see kdb_state for per cpu state */
extern void kdb_save_flags(void);
extern void kdb_restore_flags(void);
diff --git a/include/linux/keyslot-manager.h b/include/linux/keyslot-manager.h
new file mode 100644
index 000000000000..18f3f5346843
--- /dev/null
+++ b/include/linux/keyslot-manager.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2019 Google LLC
+ */
+
+#ifndef __LINUX_KEYSLOT_MANAGER_H
+#define __LINUX_KEYSLOT_MANAGER_H
+
+#include <linux/bio.h>
+#include <linux/blk-crypto.h>
+
+struct blk_keyslot_manager;
+
+/**
+ * struct blk_ksm_ll_ops - functions to manage keyslots in hardware
+ * @keyslot_program: Program the specified key into the specified slot in the
+ * inline encryption hardware.
+ * @keyslot_evict: Evict key from the specified keyslot in the hardware.
+ * The key is provided so that e.g. dm layers can evict
+ * keys from the devices that they map over.
+ * Returns 0 on success, -errno otherwise.
+ *
+ * This structure should be provided by storage device drivers when they set up
+ * a keyslot manager - this structure holds the function ptrs that the keyslot
+ * manager will use to manipulate keyslots in the hardware.
+ */
+struct blk_ksm_ll_ops {
+ int (*keyslot_program)(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot);
+ int (*keyslot_evict)(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ unsigned int slot);
+};
+
+struct blk_keyslot_manager {
+ /*
+ * The struct blk_ksm_ll_ops that this keyslot manager will use
+ * to perform operations like programming and evicting keys on the
+ * device
+ */
+ struct blk_ksm_ll_ops ksm_ll_ops;
+
+ /*
+ * The maximum number of bytes supported for specifying the data unit
+ * number.
+ */
+ unsigned int max_dun_bytes_supported;
+
+ /*
+ * Array of size BLK_ENCRYPTION_MODE_MAX of bitmasks that represents
+ * whether a crypto mode and data unit size are supported. The i'th
+ * bit of crypto_mode_supported[crypto_mode] is set iff a data unit
+ * size of (1 << i) is supported. We only support data unit sizes
+ * that are powers of 2.
+ */
+ unsigned int crypto_modes_supported[BLK_ENCRYPTION_MODE_MAX];
+
+ /* Device for runtime power management (NULL if none) */
+ struct device *dev;
+
+ /* Here onwards are *private* fields for internal keyslot manager use */
+
+ unsigned int num_slots;
+
+ /* Protects programming and evicting keys from the device */
+ struct rw_semaphore lock;
+
+ /* List of idle slots, with least recently used slot at front */
+ wait_queue_head_t idle_slots_wait_queue;
+ struct list_head idle_slots;
+ spinlock_t idle_slots_lock;
+
+ /*
+ * Hash table which maps struct *blk_crypto_key to keyslots, so that we
+ * can find a key's keyslot in O(1) time rather than O(num_slots).
+ * Protected by 'lock'.
+ */
+ struct hlist_head *slot_hashtable;
+ unsigned int log_slot_ht_size;
+
+ /* Per-keyslot data */
+ struct blk_ksm_keyslot *slots;
+};
+
+int blk_ksm_init(struct blk_keyslot_manager *ksm, unsigned int num_slots);
+
+blk_status_t blk_ksm_get_slot_for_key(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key,
+ struct blk_ksm_keyslot **slot_ptr);
+
+unsigned int blk_ksm_get_slot_idx(struct blk_ksm_keyslot *slot);
+
+void blk_ksm_put_slot(struct blk_ksm_keyslot *slot);
+
+bool blk_ksm_crypto_cfg_supported(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_config *cfg);
+
+int blk_ksm_evict_key(struct blk_keyslot_manager *ksm,
+ const struct blk_crypto_key *key);
+
+void blk_ksm_reprogram_all_keys(struct blk_keyslot_manager *ksm);
+
+void blk_ksm_destroy(struct blk_keyslot_manager *ksm);
+
+#endif /* __LINUX_KEYSLOT_MANAGER_H */
diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h
index b072aeb1fd78..c62d76478adc 100644
--- a/include/linux/kgdb.h
+++ b/include/linux/kgdb.h
@@ -269,6 +269,9 @@ struct kgdb_arch {
* @write_char: Pointer to a function that will write one char.
* @flush: Pointer to a function that will flush any pending writes.
* @init: Pointer to a function that will initialize the device.
+ * @deinit: Pointer to a function that will deinit the device. Implies that
+ * this I/O driver is temporary and expects to be replaced. Called when
+ * an I/O driver is replaced or explicitly unregistered.
* @pre_exception: Pointer to a function that will do any prep work for
* the I/O driver.
* @post_exception: Pointer to a function that will do any cleanup work
@@ -282,6 +285,7 @@ struct kgdb_io {
void (*write_char) (u8);
void (*flush) (void);
int (*init) (void);
+ void (*deinit) (void);
void (*pre_exception) (void);
void (*post_exception) (void);
int is_console;
@@ -298,7 +302,7 @@ extern bool kgdb_nmi_poll_knock(void);
#else
static inline int kgdb_register_nmi_console(void) { return 0; }
static inline int kgdb_unregister_nmi_console(void) { return 0; }
-static inline bool kgdb_nmi_poll_knock(void) { return 1; }
+static inline bool kgdb_nmi_poll_knock(void) { return true; }
#endif
extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops);
@@ -323,7 +327,7 @@ extern void gdbstub_exit(int status);
extern int kgdb_single_step;
extern atomic_t kgdb_active;
#define in_dbg_master() \
- (raw_smp_processor_id() == atomic_read(&kgdb_active))
+ (irqs_disabled() && (smp_processor_id() == atomic_read(&kgdb_active)))
extern bool dbg_is_early;
extern void __init dbg_late_init(void);
extern void kgdb_panic(const char *msg);
diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h
index 2e7a1e032c71..3378bcbe585e 100644
--- a/include/linux/kmsg_dump.h
+++ b/include/linux/kmsg_dump.h
@@ -25,9 +25,8 @@ enum kmsg_dump_reason {
KMSG_DUMP_PANIC,
KMSG_DUMP_OOPS,
KMSG_DUMP_EMERG,
- KMSG_DUMP_RESTART,
- KMSG_DUMP_HALT,
- KMSG_DUMP_POWEROFF,
+ KMSG_DUMP_SHUTDOWN,
+ KMSG_DUMP_MAX
};
/**
@@ -71,6 +70,8 @@ void kmsg_dump_rewind(struct kmsg_dumper *dumper);
int kmsg_dump_register(struct kmsg_dumper *dumper);
int kmsg_dump_unregister(struct kmsg_dumper *dumper);
+
+const char *kmsg_dump_reason_str(enum kmsg_dump_reason reason);
#else
static inline void kmsg_dump(enum kmsg_dump_reason reason)
{
@@ -112,6 +113,11 @@ static inline int kmsg_dump_unregister(struct kmsg_dumper *dumper)
{
return -EINVAL;
}
+
+static inline const char *kmsg_dump_reason_str(enum kmsg_dump_reason reason)
+{
+ return "Disabled";
+}
#endif
#endif /* _LINUX_KMSG_DUMP_H */
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index e2ca0a292e21..fc8d83e91379 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -7,7 +7,7 @@
* Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (c) 2006-2008 Novell Inc.
*
- * Please read Documentation/kobject.txt before using the kobject
+ * Please read Documentation/core-api/kobject.rst before using the kobject
* interface, ESPECIALLY the parts about reference counts and object
* destructors.
*/
diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h
index 069aa2ebef90..2b5b64256cf4 100644
--- a/include/linux/kobject_ns.h
+++ b/include/linux/kobject_ns.h
@@ -8,7 +8,7 @@
*
* Split from kobject.h by David Howells (dhowells@redhat.com)
*
- * Please read Documentation/kobject.txt before using the kobject
+ * Please read Documentation/core-api/kobject.rst before using the kobject
* interface, ESPECIALLY the parts about reference counts and object
* destructors.
*/
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 04bdaf01112c..594265bfd390 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -312,7 +312,7 @@ DEFINE_INSN_CACHE_OPS(optinsn);
#ifdef CONFIG_SYSCTL
extern int sysctl_kprobes_optimization;
extern int proc_kprobes_optimization_handler(struct ctl_table *table,
- int write, void __user *buffer,
+ int write, void *buffer,
size_t *length, loff_t *ppos);
#endif
extern void wait_for_kprobe_optimizer(void);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6d58beb65454..f43b59b1294c 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -23,7 +23,7 @@
#include <linux/irqflags.h>
#include <linux/context_tracking.h>
#include <linux/irqbypass.h>
-#include <linux/swait.h>
+#include <linux/rcuwait.h>
#include <linux/refcount.h>
#include <linux/nospec.h>
#include <asm/signal.h>
@@ -277,7 +277,7 @@ struct kvm_vcpu {
struct mutex mutex;
struct kvm_run *run;
- struct swait_queue_head wq;
+ struct rcuwait wait;
struct pid __rcu *pid;
int sigset_active;
sigset_t sigset;
@@ -503,6 +503,7 @@ struct kvm {
struct srcu_struct srcu;
struct srcu_struct irq_srcu;
pid_t userspace_pid;
+ unsigned int max_halt_poll_ns;
};
#define kvm_err(fmt, ...) \
@@ -733,6 +734,9 @@ int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
int kvm_read_guest(struct kvm *kvm, gpa_t gpa, void *data, unsigned long len);
int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
void *data, unsigned long len);
+int kvm_read_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ void *data, unsigned int offset,
+ unsigned long len);
int kvm_write_guest_page(struct kvm *kvm, gfn_t gfn, const void *data,
int offset, int len);
int kvm_write_guest(struct kvm *kvm, gpa_t gpa, const void *data,
@@ -813,8 +817,11 @@ void kvm_flush_remote_tlbs(struct kvm *kvm);
void kvm_reload_remote_mmus(struct kvm *kvm);
bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
+ struct kvm_vcpu *except,
unsigned long *vcpu_bitmap, cpumask_var_t tmp);
bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req);
+bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req,
+ struct kvm_vcpu *except);
bool kvm_make_cpus_request_mask(struct kvm *kvm, unsigned int req,
unsigned long *vcpu_bitmap);
@@ -866,7 +873,7 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
struct kvm_mp_state *mp_state);
int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
struct kvm_guest_debug *dbg);
-int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu);
int kvm_arch_init(void *opaque);
void kvm_arch_exit(void);
@@ -956,12 +963,12 @@ static inline bool kvm_arch_has_assigned_device(struct kvm *kvm)
}
#endif
-static inline struct swait_queue_head *kvm_arch_vcpu_wq(struct kvm_vcpu *vcpu)
+static inline struct rcuwait *kvm_arch_vcpu_get_wait(struct kvm_vcpu *vcpu)
{
#ifdef __KVM_HAVE_ARCH_WQP
- return vcpu->arch.wqp;
+ return vcpu->arch.waitp;
#else
- return &vcpu->wq;
+ return &vcpu->wait;
#endif
}
@@ -1048,7 +1055,7 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn)
start = slot + 1;
}
- if (gfn >= memslots[start].base_gfn &&
+ if (start < slots->used_slots && gfn >= memslots[start].base_gfn &&
gfn < memslots[start].base_gfn + memslots[start].npages) {
atomic_set(&slots->lru_slot, start);
return &memslots[start];
@@ -1130,6 +1137,11 @@ struct kvm_stats_debugfs_item {
#define KVM_DBGFS_GET_MODE(dbgfs_item) \
((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644)
+#define VM_STAT(n, x, ...) \
+ { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ }
+#define VCPU_STAT(n, x, ...) \
+ { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ }
+
extern struct kvm_stats_debugfs_item debugfs_entries[];
extern struct dentry *kvm_debugfs_dir;
@@ -1352,6 +1364,12 @@ static inline void kvm_vcpu_set_dy_eligible(struct kvm_vcpu *vcpu, bool val)
}
#endif /* CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT */
+static inline bool kvm_is_visible_memslot(struct kvm_memory_slot *memslot)
+{
+ return (memslot && memslot->id < KVM_USER_MEM_SLOTS &&
+ !(memslot->flags & KVM_MEMSLOT_INVALID));
+}
+
struct kvm_vcpu *kvm_get_running_vcpu(void);
struct kvm_vcpu * __percpu *kvm_get_running_vcpus(void);
diff --git a/include/linux/latencytop.h b/include/linux/latencytop.h
index 9022f0c2e2e4..abe3d95f795b 100644
--- a/include/linux/latencytop.h
+++ b/include/linux/latencytop.h
@@ -38,8 +38,8 @@ account_scheduler_latency(struct task_struct *task, int usecs, int inter)
void clear_tsk_latency_tracing(struct task_struct *p);
-extern int sysctl_latencytop(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+int sysctl_latencytop(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
#else
diff --git a/include/linux/libata.h b/include/linux/libata.h
index cffa4714bfa8..af832852e620 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -1092,6 +1092,7 @@ extern int ata_scsi_ioctl(struct scsi_device *dev, unsigned int cmd,
#define ATA_SCSI_COMPAT_IOCTL /* empty */
#endif
extern int ata_scsi_queuecmd(struct Scsi_Host *h, struct scsi_cmnd *cmd);
+bool ata_scsi_dma_need_drain(struct request *rq);
extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
unsigned int cmd, void __user *arg);
extern bool ata_link_online(struct ata_link *link);
@@ -1387,6 +1388,7 @@ extern struct device_attribute *ata_common_sdev_attrs[];
.ioctl = ata_scsi_ioctl, \
ATA_SCSI_COMPAT_IOCTL \
.queuecommand = ata_scsi_queuecmd, \
+ .dma_need_drain = ata_scsi_dma_need_drain, \
.can_queue = ATA_DEF_QUEUE, \
.tag_alloc_policy = BLK_TAG_ALLOC_RR, \
.this_id = ATA_SHT_THIS_ID, \
diff --git a/include/linux/linear_range.h b/include/linux/linear_range.h
new file mode 100644
index 000000000000..17b5943727d5
--- /dev/null
+++ b/include/linux/linear_range.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2020 ROHM Semiconductors */
+
+#ifndef LINEAR_RANGE_H
+#define LINEAR_RANGE_H
+
+#include <linux/types.h>
+
+/**
+ * struct linear_range - table of selector - value pairs
+ *
+ * Define a lookup-table for range of values. Intended to help when looking
+ * for a register value matching certaing physical measure (like voltage).
+ * Usable when increment of one in register always results a constant increment
+ * of the physical measure (like voltage).
+ *
+ * @min: Lowest value in range
+ * @min_sel: Lowest selector for range
+ * @max_sel: Highest selector for range
+ * @step: Value step size
+ */
+struct linear_range {
+ unsigned int min;
+ unsigned int min_sel;
+ unsigned int max_sel;
+ unsigned int step;
+};
+
+unsigned int linear_range_values_in_range(const struct linear_range *r);
+unsigned int linear_range_values_in_range_array(const struct linear_range *r,
+ int ranges);
+unsigned int linear_range_get_max_value(const struct linear_range *r);
+
+int linear_range_get_value(const struct linear_range *r, unsigned int selector,
+ unsigned int *val);
+int linear_range_get_value_array(const struct linear_range *r, int ranges,
+ unsigned int selector, unsigned int *val);
+int linear_range_get_selector_low(const struct linear_range *r,
+ unsigned int val, unsigned int *selector,
+ bool *found);
+int linear_range_get_selector_high(const struct linear_range *r,
+ unsigned int val, unsigned int *selector,
+ bool *found);
+int linear_range_get_selector_low_array(const struct linear_range *r,
+ int ranges, unsigned int val,
+ unsigned int *selector, bool *found);
+
+#endif
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 9280209d1f62..d796ec20d114 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -105,7 +105,7 @@
/* === DEPRECATED annotations === */
-#ifndef CONFIG_X86
+#ifndef CONFIG_ARCH_USE_SYM_ANNOTATIONS
#ifndef GLOBAL
/* deprecated, use SYM_DATA*, SYM_ENTRY, or similar */
#define GLOBAL(name) \
@@ -118,10 +118,10 @@
#define ENTRY(name) \
SYM_FUNC_START(name)
#endif
-#endif /* CONFIG_X86 */
+#endif /* CONFIG_ARCH_USE_SYM_ANNOTATIONS */
#endif /* LINKER_SCRIPT */
-#ifndef CONFIG_X86
+#ifndef CONFIG_ARCH_USE_SYM_ANNOTATIONS
#ifndef WEAK
/* deprecated, use SYM_FUNC_START_WEAK* */
#define WEAK(name) \
@@ -143,7 +143,7 @@
#define ENDPROC(name) \
SYM_FUNC_END(name)
#endif
-#endif /* CONFIG_X86 */
+#endif /* CONFIG_ARCH_USE_SYM_ANNOTATIONS */
/* === generic annotations === */
diff --git a/include/linux/local_lock.h b/include/linux/local_lock.h
new file mode 100644
index 000000000000..e55010fa7329
--- /dev/null
+++ b/include/linux/local_lock.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_LOCAL_LOCK_H
+#define _LINUX_LOCAL_LOCK_H
+
+#include <linux/local_lock_internal.h>
+
+/**
+ * local_lock_init - Runtime initialize a lock instance
+ */
+#define local_lock_init(lock) __local_lock_init(lock)
+
+/**
+ * local_lock - Acquire a per CPU local lock
+ * @lock: The lock variable
+ */
+#define local_lock(lock) __local_lock(lock)
+
+/**
+ * local_lock_irq - Acquire a per CPU local lock and disable interrupts
+ * @lock: The lock variable
+ */
+#define local_lock_irq(lock) __local_lock_irq(lock)
+
+/**
+ * local_lock_irqsave - Acquire a per CPU local lock, save and disable
+ * interrupts
+ * @lock: The lock variable
+ * @flags: Storage for interrupt flags
+ */
+#define local_lock_irqsave(lock, flags) \
+ __local_lock_irqsave(lock, flags)
+
+/**
+ * local_unlock - Release a per CPU local lock
+ * @lock: The lock variable
+ */
+#define local_unlock(lock) __local_unlock(lock)
+
+/**
+ * local_unlock_irq - Release a per CPU local lock and enable interrupts
+ * @lock: The lock variable
+ */
+#define local_unlock_irq(lock) __local_unlock_irq(lock)
+
+/**
+ * local_unlock_irqrestore - Release a per CPU local lock and restore
+ * interrupt flags
+ * @lock: The lock variable
+ * @flags: Interrupt flags to restore
+ */
+#define local_unlock_irqrestore(lock, flags) \
+ __local_unlock_irqrestore(lock, flags)
+
+#endif
diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h
new file mode 100644
index 000000000000..4a8795b21d77
--- /dev/null
+++ b/include/linux/local_lock_internal.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_LOCAL_LOCK_H
+# error "Do not include directly, include linux/local_lock.h"
+#endif
+
+#include <linux/percpu-defs.h>
+#include <linux/lockdep.h>
+
+typedef struct {
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ struct lockdep_map dep_map;
+ struct task_struct *owner;
+#endif
+} local_lock_t;
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define LL_DEP_MAP_INIT(lockname) \
+ .dep_map = { \
+ .name = #lockname, \
+ .wait_type_inner = LD_WAIT_CONFIG, \
+ }
+#else
+# define LL_DEP_MAP_INIT(lockname)
+#endif
+
+#define INIT_LOCAL_LOCK(lockname) { LL_DEP_MAP_INIT(lockname) }
+
+#define __local_lock_init(lock) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ debug_check_no_locks_freed((void *)lock, sizeof(*lock));\
+ lockdep_init_map_wait(&(lock)->dep_map, #lock, &__key, 0, LD_WAIT_CONFIG);\
+} while (0)
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static inline void local_lock_acquire(local_lock_t *l)
+{
+ lock_map_acquire(&l->dep_map);
+ DEBUG_LOCKS_WARN_ON(l->owner);
+ l->owner = current;
+}
+
+static inline void local_lock_release(local_lock_t *l)
+{
+ DEBUG_LOCKS_WARN_ON(l->owner != current);
+ l->owner = NULL;
+ lock_map_release(&l->dep_map);
+}
+
+#else /* CONFIG_DEBUG_LOCK_ALLOC */
+static inline void local_lock_acquire(local_lock_t *l) { }
+static inline void local_lock_release(local_lock_t *l) { }
+#endif /* !CONFIG_DEBUG_LOCK_ALLOC */
+
+#define __local_lock(lock) \
+ do { \
+ preempt_disable(); \
+ local_lock_acquire(this_cpu_ptr(lock)); \
+ } while (0)
+
+#define __local_lock_irq(lock) \
+ do { \
+ local_irq_disable(); \
+ local_lock_acquire(this_cpu_ptr(lock)); \
+ } while (0)
+
+#define __local_lock_irqsave(lock, flags) \
+ do { \
+ local_irq_save(flags); \
+ local_lock_acquire(this_cpu_ptr(lock)); \
+ } while (0)
+
+#define __local_unlock(lock) \
+ do { \
+ local_lock_release(this_cpu_ptr(lock)); \
+ preempt_enable(); \
+ } while (0)
+
+#define __local_unlock_irq(lock) \
+ do { \
+ local_lock_release(this_cpu_ptr(lock)); \
+ local_irq_enable(); \
+ } while (0)
+
+#define __local_unlock_irqrestore(lock, flags) \
+ do { \
+ local_lock_release(this_cpu_ptr(lock)); \
+ local_irq_restore(flags); \
+ } while (0)
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 206774ac6946..8fce5c98a4b0 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -308,8 +308,27 @@ extern void lockdep_set_selftest_task(struct task_struct *task);
extern void lockdep_init_task(struct task_struct *task);
-extern void lockdep_off(void);
-extern void lockdep_on(void);
+/*
+ * Split the recrursion counter in two to readily detect 'off' vs recursion.
+ */
+#define LOCKDEP_RECURSION_BITS 16
+#define LOCKDEP_OFF (1U << LOCKDEP_RECURSION_BITS)
+#define LOCKDEP_RECURSION_MASK (LOCKDEP_OFF - 1)
+
+/*
+ * lockdep_{off,on}() are macros to avoid tracing and kprobes; not inlines due
+ * to header dependencies.
+ */
+
+#define lockdep_off() \
+do { \
+ current->lockdep_recursion += LOCKDEP_OFF; \
+} while (0)
+
+#define lockdep_on() \
+do { \
+ current->lockdep_recursion -= LOCKDEP_OFF; \
+} while (0)
extern void lockdep_register_key(struct lock_class_key *key);
extern void lockdep_unregister_key(struct lock_class_key *key);
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 9cd4455528e5..5616b2567aa7 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -55,7 +55,7 @@ LSM_HOOK(void, LSM_RET_VOID, bprm_committing_creds, struct linux_binprm *bprm)
LSM_HOOK(void, LSM_RET_VOID, bprm_committed_creds, struct linux_binprm *bprm)
LSM_HOOK(int, 0, fs_context_dup, struct fs_context *fc,
struct fs_context *src_sc)
-LSM_HOOK(int, 0, fs_context_parse_param, struct fs_context *fc,
+LSM_HOOK(int, -ENOPARAM, fs_context_parse_param, struct fs_context *fc,
struct fs_parameter *param)
LSM_HOOK(int, 0, sb_alloc_security, struct super_block *sb)
LSM_HOOK(void, LSM_RET_VOID, sb_free_security, struct super_block *sb)
@@ -243,7 +243,7 @@ LSM_HOOK(int, -EINVAL, getprocattr, struct task_struct *p, char *name,
char **value)
LSM_HOOK(int, -EINVAL, setprocattr, const char *name, void *value, size_t size)
LSM_HOOK(int, 0, ismaclabel, const char *name)
-LSM_HOOK(int, 0, secid_to_secctx, u32 secid, char **secdata,
+LSM_HOOK(int, -EOPNOTSUPP, secid_to_secctx, u32 secid, char **secdata,
u32 *seclen)
LSM_HOOK(int, 0, secctx_to_secid, const char *secdata, u32 seclen, u32 *secid)
LSM_HOOK(void, LSM_RET_VOID, release_secctx, char *secdata, u32 seclen)
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 988ca0df7824..44d5422c18e4 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -77,7 +77,7 @@
* state. This is called immediately after commit_creds().
*
* Security hooks for mount using fs_context.
- * [See also Documentation/filesystems/mount_api.txt]
+ * [See also Documentation/filesystems/mount_api.rst]
*
* @fs_context_dup:
* Allocate and attach a security structure to sc->security. This pointer
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 917e4bb2ed71..36d2e0673d03 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -9,6 +9,13 @@
#include <uapi/linux/mdio.h>
#include <linux/mod_devicetable.h>
+/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
+ * IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips.
+ */
+#define MII_ADDR_C45 (1<<30)
+#define MII_DEVADDR_C45_SHIFT 16
+#define MII_REGADDR_C45_MASK GENMASK(15, 0)
+
struct gpio_desc;
struct mii_bus;
@@ -326,6 +333,30 @@ int mdiobus_write_nested(struct mii_bus *bus, int addr, u32 regnum, u16 val);
int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask,
u16 set);
+static inline u32 mdiobus_c45_addr(int devad, u16 regnum)
+{
+ return MII_ADDR_C45 | devad << MII_DEVADDR_C45_SHIFT | regnum;
+}
+
+static inline int __mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad,
+ u16 regnum)
+{
+ return __mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum));
+}
+
+static inline int __mdiobus_c45_write(struct mii_bus *bus, int prtad, int devad,
+ u16 regnum, u16 val)
+{
+ return __mdiobus_write(bus, prtad, mdiobus_c45_addr(devad, regnum),
+ val);
+}
+
+static inline int mdiobus_c45_read(struct mii_bus *bus, int prtad, int devad,
+ u16 regnum)
+{
+ return mdiobus_read(bus, prtad, mdiobus_c45_addr(devad, regnum));
+}
+
int mdiobus_register_device(struct mdio_device *mdiodev);
int mdiobus_unregister_device(struct mdio_device *mdiodev);
bool mdiobus_is_registered_device(struct mii_bus *bus, int addr);
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 6bc37a731d27..017fae833d4a 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -41,7 +41,7 @@ enum memblock_flags {
/**
* struct memblock_region - represents a memory region
- * @base: physical address of the region
+ * @base: base address of the region
* @size: size of the region
* @flags: memory region attributes
* @nid: NUMA node id
@@ -50,7 +50,7 @@ struct memblock_region {
phys_addr_t base;
phys_addr_t size;
enum memblock_flags flags;
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
+#ifdef CONFIG_NEED_MULTIPLE_NODES
int nid;
#endif
};
@@ -75,7 +75,7 @@ struct memblock_type {
* struct memblock - memblock allocator metadata
* @bottom_up: is bottom up direction?
* @current_limit: physical address of the current allocation limit
- * @memory: usabe memory regions
+ * @memory: usable memory regions
* @reserved: reserved memory regions
* @physmem: all physical memory
*/
@@ -215,7 +215,6 @@ static inline bool memblock_is_nomap(struct memblock_region *m)
return m->flags & MEMBLOCK_NOMAP;
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
unsigned long *end_pfn);
void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn,
@@ -234,7 +233,6 @@ void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn,
#define for_each_mem_pfn_range(i, nid, p_start, p_end, p_nid) \
for (i = -1, __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid); \
i >= 0; __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid))
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone,
@@ -275,6 +273,9 @@ void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone,
#define for_each_free_mem_pfn_range_in_zone_from(i, zone, p_start, p_end) \
for (; i != U64_MAX; \
__next_mem_pfn_range_in_zone(&i, zone, p_start, p_end))
+
+int __init deferred_page_init_max_threads(const struct cpumask *node_cpumask);
+
#endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */
/**
@@ -310,10 +311,10 @@ void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone,
for_each_mem_range_rev(i, &memblock.memory, &memblock.reserved, \
nid, flags, p_start, p_end, p_nid)
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_set_node(phys_addr_t base, phys_addr_t size,
struct memblock_type *type, int nid);
+#ifdef CONFIG_NEED_MULTIPLE_NODES
static inline void memblock_set_region_node(struct memblock_region *r, int nid)
{
r->nid = nid;
@@ -332,7 +333,7 @@ static inline int memblock_get_region_node(const struct memblock_region *r)
{
return 0;
}
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
/* Flags for memblock allocation APIs */
#define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0)
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index d275c72c4f8e..e77197a62809 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -29,10 +29,7 @@ struct kmem_cache;
/* Cgroup-specific page state, on top of universal node page state */
enum memcg_stat_item {
- MEMCG_CACHE = NR_VM_NODE_STAT_ITEMS,
- MEMCG_RSS,
- MEMCG_RSS_HUGE,
- MEMCG_SWAP,
+ MEMCG_SWAP = NR_VM_NODE_STAT_ITEMS,
MEMCG_SOCK,
/* XXX: why are these zone and not node counters? */
MEMCG_KERNEL_STACK_KB,
@@ -45,6 +42,7 @@ enum memcg_memory_event {
MEMCG_MAX,
MEMCG_OOM,
MEMCG_OOM_KILL,
+ MEMCG_SWAP_HIGH,
MEMCG_SWAP_MAX,
MEMCG_SWAP_FAIL,
MEMCG_NR_MEMORY_EVENTS,
@@ -215,9 +213,6 @@ struct mem_cgroup {
struct page_counter kmem;
struct page_counter tcpmem;
- /* Upper bound of normal memory consumption range */
- unsigned long high;
-
/* Range enforcement for interrupt charges */
struct work_struct high_work;
@@ -360,16 +355,8 @@ static inline unsigned long mem_cgroup_protection(struct mem_cgroup *memcg,
enum mem_cgroup_protection mem_cgroup_protected(struct mem_cgroup *root,
struct mem_cgroup *memcg);
-int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask, struct mem_cgroup **memcgp,
- bool compound);
-int mem_cgroup_try_charge_delay(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask, struct mem_cgroup **memcgp,
- bool compound);
-void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
- bool lrucare, bool compound);
-void mem_cgroup_cancel_charge(struct page *page, struct mem_cgroup *memcg,
- bool compound);
+int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask);
+
void mem_cgroup_uncharge(struct page *page);
void mem_cgroup_uncharge_list(struct list_head *page_list);
@@ -570,7 +557,7 @@ struct mem_cgroup *mem_cgroup_get_oom_group(struct task_struct *victim,
void mem_cgroup_print_oom_group(struct mem_cgroup *memcg);
#ifdef CONFIG_MEMCG_SWAP
-extern int do_swap_account;
+extern bool cgroup_memory_noswap;
#endif
struct mem_cgroup *lock_page_memcg(struct page *page);
@@ -710,16 +697,17 @@ static inline void mod_lruvec_state(struct lruvec *lruvec,
static inline void __mod_lruvec_page_state(struct page *page,
enum node_stat_item idx, int val)
{
+ struct page *head = compound_head(page); /* rmap on tail pages */
pg_data_t *pgdat = page_pgdat(page);
struct lruvec *lruvec;
/* Untracked pages have no memcg, no lruvec. Update only the node */
- if (!page->mem_cgroup) {
+ if (!head->mem_cgroup) {
__mod_node_page_state(pgdat, idx, val);
return;
}
- lruvec = mem_cgroup_lruvec(page->mem_cgroup, pgdat);
+ lruvec = mem_cgroup_lruvec(head->mem_cgroup, pgdat);
__mod_lruvec_state(lruvec, idx, val);
}
@@ -783,6 +771,8 @@ static inline void memcg_memory_event(struct mem_cgroup *memcg,
atomic_long_inc(&memcg->memory_events[event]);
cgroup_file_notify(&memcg->events_file);
+ if (!cgroup_subsys_on_dfl(memory_cgrp_subsys))
+ break;
if (cgrp_dfl_root.flags & CGRP_ROOT_MEMORY_LOCAL_EVENTS)
break;
} while ((memcg = parent_mem_cgroup(memcg)) &&
@@ -847,37 +837,12 @@ static inline enum mem_cgroup_protection mem_cgroup_protected(
return MEMCG_PROT_NONE;
}
-static inline int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask,
- struct mem_cgroup **memcgp,
- bool compound)
+static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
+ gfp_t gfp_mask)
{
- *memcgp = NULL;
return 0;
}
-static inline int mem_cgroup_try_charge_delay(struct page *page,
- struct mm_struct *mm,
- gfp_t gfp_mask,
- struct mem_cgroup **memcgp,
- bool compound)
-{
- *memcgp = NULL;
- return 0;
-}
-
-static inline void mem_cgroup_commit_charge(struct page *page,
- struct mem_cgroup *memcg,
- bool lrucare, bool compound)
-{
-}
-
-static inline void mem_cgroup_cancel_charge(struct page *page,
- struct mem_cgroup *memcg,
- bool compound)
-{
-}
-
static inline void mem_cgroup_uncharge(struct page *page)
{
}
@@ -1277,6 +1242,19 @@ static inline void dec_lruvec_page_state(struct page *page,
mod_lruvec_page_state(page, idx, -1);
}
+static inline struct lruvec *parent_lruvec(struct lruvec *lruvec)
+{
+ struct mem_cgroup *memcg;
+
+ memcg = lruvec_memcg(lruvec);
+ if (!memcg)
+ return NULL;
+ memcg = parent_mem_cgroup(memcg);
+ if (!memcg)
+ return NULL;
+ return mem_cgroup_lruvec(memcg, lruvec_pgdat(lruvec));
+}
+
#ifdef CONFIG_CGROUP_WRITEBACK
struct wb_domain *mem_cgroup_wb_domain(struct bdi_writeback *wb);
diff --git a/include/linux/memstick.h b/include/linux/memstick.h
index 216a713bef7f..da4c65f9435f 100644
--- a/include/linux/memstick.h
+++ b/include/linux/memstick.h
@@ -288,7 +288,7 @@ struct memstick_host {
int (*set_param)(struct memstick_host *host,
enum memstick_param param,
int value);
- unsigned long private[0] ____cacheline_aligned;
+ unsigned long private[] ____cacheline_aligned;
};
struct memstick_driver {
diff --git a/include/linux/mfd/gsc.h b/include/linux/mfd/gsc.h
new file mode 100644
index 000000000000..6bd639c285b4
--- /dev/null
+++ b/include/linux/mfd/gsc.h
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright (C) 2020 Gateworks Corporation
+ */
+#ifndef __LINUX_MFD_GSC_H_
+#define __LINUX_MFD_GSC_H_
+
+#include <linux/regmap.h>
+
+/* Device Addresses */
+#define GSC_MISC 0x20
+#define GSC_UPDATE 0x21
+#define GSC_GPIO 0x23
+#define GSC_HWMON 0x29
+#define GSC_EEPROM0 0x50
+#define GSC_EEPROM1 0x51
+#define GSC_EEPROM2 0x52
+#define GSC_EEPROM3 0x53
+#define GSC_RTC 0x68
+
+/* Register offsets */
+enum {
+ GSC_CTRL_0 = 0x00,
+ GSC_CTRL_1 = 0x01,
+ GSC_TIME = 0x02,
+ GSC_TIME_ADD = 0x06,
+ GSC_IRQ_STATUS = 0x0A,
+ GSC_IRQ_ENABLE = 0x0B,
+ GSC_FW_CRC = 0x0C,
+ GSC_FW_VER = 0x0E,
+ GSC_WP = 0x0F,
+};
+
+/* Bit definitions */
+#define GSC_CTRL_0_PB_HARD_RESET 0
+#define GSC_CTRL_0_PB_CLEAR_SECURE_KEY 1
+#define GSC_CTRL_0_PB_SOFT_POWER_DOWN 2
+#define GSC_CTRL_0_PB_BOOT_ALTERNATE 3
+#define GSC_CTRL_0_PERFORM_CRC 4
+#define GSC_CTRL_0_TAMPER_DETECT 5
+#define GSC_CTRL_0_SWITCH_HOLD 6
+
+#define GSC_CTRL_1_SLEEP_ENABLE 0
+#define GSC_CTRL_1_SLEEP_ACTIVATE 1
+#define GSC_CTRL_1_SLEEP_ADD 2
+#define GSC_CTRL_1_SLEEP_NOWAKEPB 3
+#define GSC_CTRL_1_WDT_TIME 4
+#define GSC_CTRL_1_WDT_ENABLE 5
+#define GSC_CTRL_1_SWITCH_BOOT_ENABLE 6
+#define GSC_CTRL_1_SWITCH_BOOT_CLEAR 7
+
+#define GSC_IRQ_PB 0
+#define GSC_IRQ_KEY_ERASED 1
+#define GSC_IRQ_EEPROM_WP 2
+#define GSC_IRQ_RESV 3
+#define GSC_IRQ_GPIO 4
+#define GSC_IRQ_TAMPER 5
+#define GSC_IRQ_WDT_TIMEOUT 6
+#define GSC_IRQ_SWITCH_HOLD 7
+
+int gsc_read(void *context, unsigned int reg, unsigned int *val);
+int gsc_write(void *context, unsigned int reg, unsigned int val);
+
+struct gsc_dev {
+ struct device *dev;
+
+ struct i2c_client *i2c; /* 0x20: interrupt controller, WDT */
+ struct i2c_client *i2c_hwmon; /* 0x29: hwmon, fan controller */
+
+ struct regmap *regmap;
+
+ unsigned int fwver;
+ unsigned short fwcrc;
+};
+
+#endif /* __LINUX_MFD_GSC_H_ */
diff --git a/include/linux/mfd/intel_pmc_bxt.h b/include/linux/mfd/intel_pmc_bxt.h
new file mode 100644
index 000000000000..f51a43d25ffd
--- /dev/null
+++ b/include/linux/mfd/intel_pmc_bxt.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef MFD_INTEL_PMC_BXT_H
+#define MFD_INTEL_PMC_BXT_H
+
+/* GCR reg offsets from GCR base */
+#define PMC_GCR_PMC_CFG_REG 0x08
+#define PMC_GCR_TELEM_DEEP_S0IX_REG 0x78
+#define PMC_GCR_TELEM_SHLW_S0IX_REG 0x80
+
+/* PMC_CFG_REG bit masks */
+#define PMC_CFG_NO_REBOOT_EN BIT(4)
+
+/**
+ * struct intel_pmc_dev - Intel PMC device structure
+ * @dev: Pointer to the parent PMC device
+ * @scu: Pointer to the SCU IPC device data structure
+ * @gcr_mem_base: Virtual base address of GCR (Global Configuration Registers)
+ * @gcr_lock: Lock used to serialize access to GCR registers
+ * @telem_base: Pointer to telemetry SSRAM base resource or %NULL if not
+ * available
+ */
+struct intel_pmc_dev {
+ struct device *dev;
+ struct intel_scu_ipc_dev *scu;
+ void __iomem *gcr_mem_base;
+ spinlock_t gcr_lock;
+ struct resource *telem_base;
+};
+
+#if IS_ENABLED(CONFIG_MFD_INTEL_PMC_BXT)
+int intel_pmc_gcr_read64(struct intel_pmc_dev *pmc, u32 offset, u64 *data);
+int intel_pmc_gcr_update(struct intel_pmc_dev *pmc, u32 offset, u32 mask, u32 val);
+int intel_pmc_s0ix_counter_read(struct intel_pmc_dev *pmc, u64 *data);
+#else
+static inline int intel_pmc_gcr_read64(struct intel_pmc_dev *pmc, u32 offset,
+ u64 *data)
+{
+ return -ENOTSUPP;
+}
+
+static inline int intel_pmc_gcr_update(struct intel_pmc_dev *pmc, u32 offset,
+ u32 mask, u32 val)
+{
+ return -ENOTSUPP;
+}
+
+static inline int intel_pmc_s0ix_counter_read(struct intel_pmc_dev *pmc, u64 *data)
+{
+ return -ENOTSUPP;
+}
+#endif
+
+#endif /* MFD_INTEL_PMC_BXT_H */
diff --git a/include/linux/mfd/intel_soc_pmic.h b/include/linux/mfd/intel_soc_pmic.h
index bfecd6bd4990..6a88e34cb955 100644
--- a/include/linux/mfd/intel_soc_pmic.h
+++ b/include/linux/mfd/intel_soc_pmic.h
@@ -13,6 +13,20 @@
#include <linux/regmap.h>
+/**
+ * struct intel_soc_pmic - Intel SoC PMIC data
+ * @irq: Master interrupt number of the parent PMIC device
+ * @regmap: Pointer to the parent PMIC device regmap structure
+ * @irq_chip_data: IRQ chip data for the PMIC itself
+ * @irq_chip_data_pwrbtn: Chained IRQ chip data for the Power Button
+ * @irq_chip_data_tmu: Chained IRQ chip data for the Time Management Unit
+ * @irq_chip_data_bcu: Chained IRQ chip data for the Burst Control Unit
+ * @irq_chip_data_adc: Chained IRQ chip data for the General Purpose ADC
+ * @irq_chip_data_chgr: Chained IRQ chip data for the External Charger
+ * @irq_chip_data_crit: Chained IRQ chip data for the Critical Event Handler
+ * @dev: Pointer to the parent PMIC device
+ * @scu: Pointer to the SCU IPC device data structure
+ */
struct intel_soc_pmic {
int irq;
struct regmap *regmap;
@@ -24,6 +38,7 @@ struct intel_soc_pmic {
struct regmap_irq_chip_data *irq_chip_data_chgr;
struct regmap_irq_chip_data *irq_chip_data_crit;
struct device *dev;
+ struct intel_scu_ipc_dev *scu;
};
int intel_soc_pmic_exec_mipi_pmic_seq_element(u16 i2c_address, u32 reg_address,
diff --git a/include/linux/mfd/max8998.h b/include/linux/mfd/max8998.h
index 061af220dcd3..79c020bd0c70 100644
--- a/include/linux/mfd/max8998.h
+++ b/include/linux/mfd/max8998.h
@@ -39,6 +39,7 @@ enum {
MAX8998_ENVICHG,
MAX8998_ESAFEOUT1,
MAX8998_ESAFEOUT2,
+ MAX8998_CHARGER,
};
/**
diff --git a/include/linux/mhi.h b/include/linux/mhi.h
index ad1996001965..3d7c3c26eeb9 100644
--- a/include/linux/mhi.h
+++ b/include/linux/mhi.h
@@ -53,9 +53,9 @@ enum mhi_callback {
* @MHI_CHAIN: Linked transfer
*/
enum mhi_flags {
- MHI_EOB,
- MHI_EOT,
- MHI_CHAIN,
+ MHI_EOB = BIT(0),
+ MHI_EOT = BIT(1),
+ MHI_CHAIN = BIT(2),
};
/**
@@ -335,14 +335,15 @@ struct mhi_controller_config {
* @syserr_worker: System error worker
* @state_event: State change event
* @status_cb: CB function to notify power states of the device (required)
- * @link_status: CB function to query link status of the device (required)
* @wake_get: CB function to assert device wake (optional)
* @wake_put: CB function to de-assert device wake (optional)
* @wake_toggle: CB function to assert and de-assert device wake (optional)
* @runtime_get: CB function to controller runtime resume (required)
- * @runtimet_put: CB function to decrement pm usage (required)
+ * @runtime_put: CB function to decrement pm usage (required)
* @map_single: CB function to create TRE buffer
* @unmap_single: CB function to destroy TRE buffer
+ * @read_reg: Read a MHI register via the physical link (required)
+ * @write_reg: Write a MHI register via the physical link (required)
* @buffer_len: Bounce buffer length
* @bounce_buf: Use of bounce buffer
* @fbc_download: MHI host needs to do complete image transfer (optional)
@@ -417,7 +418,6 @@ struct mhi_controller {
void (*status_cb)(struct mhi_controller *mhi_cntrl,
enum mhi_callback cb);
- int (*link_status)(struct mhi_controller *mhi_cntrl);
void (*wake_get)(struct mhi_controller *mhi_cntrl, bool override);
void (*wake_put)(struct mhi_controller *mhi_cntrl, bool override);
void (*wake_toggle)(struct mhi_controller *mhi_cntrl);
@@ -427,6 +427,10 @@ struct mhi_controller {
struct mhi_buf_info *buf);
void (*unmap_single)(struct mhi_controller *mhi_cntrl,
struct mhi_buf_info *buf);
+ int (*read_reg)(struct mhi_controller *mhi_cntrl, void __iomem *addr,
+ u32 *out);
+ void (*write_reg)(struct mhi_controller *mhi_cntrl, void __iomem *addr,
+ u32 val);
size_t buffer_len;
bool bounce_buf;
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 8e2828d48d7f..9db93e487496 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -362,7 +362,7 @@ struct mlx4_wqe_datagram_seg {
struct mlx4_wqe_lso_seg {
__be32 mss_hdr_size;
- __be32 header[0];
+ __be32 header[];
};
enum mlx4_wqe_bind_seg_flags2 {
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index 5613e677a5f9..96ebaa94a92e 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -76,7 +76,7 @@ struct aes_gcm_keymat {
struct mlx5_accel_esp_xfrm_attrs {
enum mlx5_accel_esp_action action;
u32 esn;
- u32 spi;
+ __be32 spi;
u32 seq;
u32 tfc_pad;
u32 flags;
@@ -92,6 +92,18 @@ struct mlx5_accel_esp_xfrm_attrs {
union {
struct aes_gcm_keymat aes_gcm;
} keymat;
+
+ union {
+ __be32 a4;
+ __be32 a6[4];
+ } saddr;
+
+ union {
+ __be32 a4;
+ __be32 a6[4];
+ } daddr;
+
+ u8 is_ipv6;
};
struct mlx5_accel_esp_xfrm {
diff --git a/include/linux/mlx5/cmd.h b/include/linux/mlx5/cmd.h
deleted file mode 100644
index 68cd08f02c2f..000000000000
--- a/include/linux/mlx5/cmd.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef MLX5_CMD_H
-#define MLX5_CMD_H
-
-#include <linux/types.h>
-
-struct manage_pages_layout {
- u64 ptr;
- u32 reserved;
- u16 num_entries;
- u16 func_id;
-};
-
-
-struct mlx5_cmd_alloc_uar_imm_out {
- u32 rsvd[3];
- u32 uarn;
-};
-
-#endif /* MLX5_CMD_H */
diff --git a/include/linux/mlx5/cq.h b/include/linux/mlx5/cq.h
index 40748fc1b11b..b5a9399e07ee 100644
--- a/include/linux/mlx5/cq.h
+++ b/include/linux/mlx5/cq.h
@@ -188,7 +188,7 @@ int mlx5_core_create_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen, u32 *out, int outlen);
int mlx5_core_destroy_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq);
int mlx5_core_query_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
- u32 *out, int outlen);
+ u32 *out);
int mlx5_core_modify_cq(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq,
u32 *in, int inlen);
int mlx5_core_modify_cq_moderation(struct mlx5_core_dev *dev,
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 2b90097a6cf9..1bc27aca648b 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -364,6 +364,7 @@ enum {
enum {
MLX5_GENERAL_SUBTYPE_DELAY_DROP_TIMEOUT = 0x1,
MLX5_GENERAL_SUBTYPE_PCI_POWER_CHANGE_EVENT = 0x5,
+ MLX5_GENERAL_SUBTYPE_PCI_SYNC_FOR_FW_UPDATE_EVENT = 0x8,
};
enum {
@@ -449,10 +450,12 @@ enum {
enum {
MLX5_OPC_MOD_TLS_TIS_STATIC_PARAMS = 0x1,
+ MLX5_OPC_MOD_TLS_TIR_STATIC_PARAMS = 0x2,
};
enum {
MLX5_OPC_MOD_TLS_TIS_PROGRESS_PARAMS = 0x1,
+ MLX5_OPC_MOD_TLS_TIR_PROGRESS_PARAMS = 0x2,
};
enum {
@@ -689,6 +692,19 @@ struct mlx5_eqe_temp_warning {
__be64 sensor_warning_lsb;
} __packed;
+#define SYNC_RST_STATE_MASK 0xf
+
+enum sync_rst_state_type {
+ MLX5_SYNC_RST_STATE_RESET_REQUEST = 0x0,
+ MLX5_SYNC_RST_STATE_RESET_NOW = 0x1,
+ MLX5_SYNC_RST_STATE_RESET_ABORT = 0x2,
+};
+
+struct mlx5_eqe_sync_fw_update {
+ u8 reserved_at_0[3];
+ u8 sync_rst_state;
+};
+
union ev_data {
__be32 raw[7];
struct mlx5_eqe_cmd cmd;
@@ -707,6 +723,7 @@ union ev_data {
struct mlx5_eqe_dct dct;
struct mlx5_eqe_temp_warning temp_warning;
struct mlx5_eqe_xrq_err xrq_err;
+ struct mlx5_eqe_sync_fw_update sync_fw_update;
} __packed;
struct mlx5_eqe {
@@ -749,7 +766,7 @@ struct mlx5_err_cqe {
};
struct mlx5_cqe64 {
- u8 outer_l3_tunneled;
+ u8 tls_outer_l3_tunneled;
u8 rsvd0;
__be16 wqe_id;
u8 lro_tcppsh_abort_dupack;
@@ -767,7 +784,12 @@ struct mlx5_cqe64 {
u8 l4_l3_hdr_type;
__be16 vlan_info;
__be32 srqn; /* [31:24]: lro_num_seg, [23:0]: srqn */
- __be32 imm_inval_pkey;
+ union {
+ __be32 immediate;
+ __be32 inval_rkey;
+ __be32 pkey;
+ __be32 ft_metadata;
+ };
u8 rsvd40[4];
__be32 byte_cnt;
__be32 timestamp_h;
@@ -834,7 +856,12 @@ static inline u8 get_cqe_l3_hdr_type(struct mlx5_cqe64 *cqe)
static inline bool cqe_is_tunneled(struct mlx5_cqe64 *cqe)
{
- return cqe->outer_l3_tunneled & 0x1;
+ return cqe->tls_outer_l3_tunneled & 0x1;
+}
+
+static inline u8 get_cqe_tls_offload(struct mlx5_cqe64 *cqe)
+{
+ return (cqe->tls_outer_l3_tunneled >> 3) & 0x3;
}
static inline bool cqe_has_vlan(struct mlx5_cqe64 *cqe)
@@ -922,6 +949,13 @@ enum {
CQE_L4_OK = 1 << 2,
};
+enum {
+ CQE_TLS_OFFLOAD_NOT_DECRYPTED = 0x0,
+ CQE_TLS_OFFLOAD_DECRYPTED = 0x1,
+ CQE_TLS_OFFLOAD_RESYNC = 0x2,
+ CQE_TLS_OFFLOAD_ERROR = 0x3,
+};
+
struct mlx5_sig_err_cqe {
u8 rsvd0[16];
__be32 expected_trans_sig;
@@ -1107,6 +1141,7 @@ enum mlx5_cap_type {
MLX5_CAP_TLS,
MLX5_CAP_VDPA_EMULATION = 0x13,
MLX5_CAP_DEV_EVENT = 0x14,
+ MLX5_CAP_IPSEC,
/* NUM OF CAP Types */
MLX5_CAP_NUM
};
@@ -1324,6 +1359,9 @@ enum mlx5_qcam_feature_groups {
MLX5_GET64(device_virtio_emulation_cap, \
(mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap)
+#define MLX5_CAP_IPSEC(mdev, cap)\
+ MLX5_GET(ipsec_cap, (mdev)->caps.hca_cur[MLX5_CAP_IPSEC], cap)
+
enum {
MLX5_CMD_STAT_OK = 0x0,
MLX5_CMD_STAT_INT_ERR = 0x1,
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 6f8f79ef829b..13c0e4556eda 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -130,6 +130,7 @@ enum {
MLX5_REG_NODE_DESC = 0x6001,
MLX5_REG_HOST_ENDIANNESS = 0x7004,
MLX5_REG_MCIA = 0x9014,
+ MLX5_REG_MFRL = 0x9028,
MLX5_REG_MLCR = 0x902b,
MLX5_REG_MTRC_CAP = 0x9040,
MLX5_REG_MTRC_CONF = 0x9041,
@@ -200,7 +201,7 @@ struct mlx5_rsc_debug {
void *object;
enum dbg_rsc_type type;
struct dentry *root;
- struct mlx5_field_desc fields[0];
+ struct mlx5_field_desc fields[];
};
enum mlx5_dev_event {
@@ -213,6 +214,12 @@ enum mlx5_port_status {
MLX5_PORT_DOWN = 2,
};
+enum mlx5_cmdif_state {
+ MLX5_CMDIF_STATE_UNINITIALIZED,
+ MLX5_CMDIF_STATE_UP,
+ MLX5_CMDIF_STATE_DOWN,
+};
+
struct mlx5_cmd_first {
__be32 data[4];
};
@@ -258,6 +265,7 @@ struct mlx5_cmd_stats {
struct mlx5_cmd {
struct mlx5_nb nb;
+ enum mlx5_cmdif_state state;
void *cmd_alloc_buf;
dma_addr_t alloc_dma;
int alloc_size;
@@ -284,12 +292,13 @@ struct mlx5_cmd {
struct semaphore sem;
struct semaphore pages_sem;
int mode;
+ u16 allowed_opcode;
struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS];
struct dma_pool *pool;
struct mlx5_cmd_debug dbg;
struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES];
int checksum_disabled;
- struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX];
+ struct mlx5_cmd_stats *stats;
};
struct mlx5_port_caps {
@@ -541,7 +550,6 @@ struct mlx5_priv {
struct mlx5_core_health health;
/* start: qp staff */
- struct mlx5_qp_table qp_table;
struct dentry *qp_debugfs;
struct dentry *eq_debugfs;
struct dentry *cq_debugfs;
@@ -687,7 +695,6 @@ struct mlx5_core_dev {
unsigned long intf_state;
struct mlx5_priv priv;
struct mlx5_profile *profile;
- atomic_t num_qps;
u32 issi;
struct mlx5e_resources mlx5e_res;
struct mlx5_dm *dm;
@@ -743,6 +750,7 @@ struct mlx5_cmd_work_ent {
struct delayed_work cb_timeout_work;
void *context;
int idx;
+ struct completion handling;
struct completion done;
struct mlx5_cmd *cmd;
struct work_struct work;
@@ -824,11 +832,6 @@ static inline u16 fw_rev_sub(struct mlx5_core_dev *dev)
return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff;
}
-static inline u16 cmdif_rev(struct mlx5_core_dev *dev)
-{
- return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16;
-}
-
static inline u32 mlx5_base_mkey(const u32 key)
{
return key & 0xffffff00u;
@@ -874,10 +877,17 @@ mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
}
+enum {
+ CMD_ALLOWED_OPCODE_ALL,
+};
+
int mlx5_cmd_init(struct mlx5_core_dev *dev);
void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
+void mlx5_cmd_set_state(struct mlx5_core_dev *dev,
+ enum mlx5_cmdif_state cmdif_state);
void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
void mlx5_cmd_use_polling(struct mlx5_core_dev *dev);
+void mlx5_cmd_allowed_opcode(struct mlx5_core_dev *dev, u16 opcode);
struct mlx5_async_ctx {
struct mlx5_core_dev *dev;
@@ -903,6 +913,19 @@ int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size,
int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int out_size);
+
+#define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out) \
+ ({ \
+ mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out, \
+ MLX5_ST_SZ_BYTES(ifc_cmd##_out)); \
+ })
+
+#define mlx5_cmd_exec_in(dev, ifc_cmd, in) \
+ ({ \
+ u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {}; \
+ mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out); \
+ })
+
int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size);
void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
@@ -1000,11 +1023,6 @@ int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index,
u8 roce_version, u8 roce_l3_type, const u8 *gid,
const u8 *mac, bool vlan, u16 vlan_id, u8 port_num);
-static inline int fw_initializing(struct mlx5_core_dev *dev)
-{
- return ioread32be(&dev->iseg->initializing) >> 31;
-}
-
static inline u32 mlx5_mkey_to_idx(u32 mkey)
{
return mkey >> 8;
@@ -1062,6 +1080,8 @@ bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev);
bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev);
bool mlx5_lag_is_active(struct mlx5_core_dev *dev);
struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev);
+u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev,
+ struct net_device *slave);
int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
u64 *values,
int num_counters,
@@ -1069,7 +1089,8 @@ int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev,
struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev);
void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up);
int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
- u64 length, u16 uid, phys_addr_t *addr, u32 *obj_id);
+ u64 length, u32 log_alignment, u16 uid,
+ phys_addr_t *addr, u32 *obj_id);
int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
u64 length, u16 uid, phys_addr_t addr, u32 obj_id);
diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h
index e2d13e074067..6c5aa0a21425 100644
--- a/include/linux/mlx5/fs.h
+++ b/include/linux/mlx5/fs.h
@@ -42,6 +42,7 @@ enum {
MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16,
MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17,
MLX5_FLOW_CONTEXT_ACTION_DECRYPT = 1 << 18,
+ MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS = 1 << 19,
};
enum {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 69b27c7dfc3e..1a56dc079c32 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -74,6 +74,7 @@ enum {
MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0,
MLX5_SET_HCA_CAP_OP_MOD_ODP = 0x2,
MLX5_SET_HCA_CAP_OP_MOD_ATOMIC = 0x3,
+ MLX5_SET_HCA_CAP_OP_MOD_ROCE = 0x4,
};
enum {
@@ -583,9 +584,7 @@ struct mlx5_ifc_fte_match_set_misc2_bits {
u8 metadata_reg_a[0x20];
- u8 metadata_reg_b[0x20];
-
- u8 reserved_at_1c0[0x40];
+ u8 reserved_at_1a0[0x60];
};
struct mlx5_ifc_fte_match_set_misc3_bits {
@@ -885,7 +884,8 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
u8 tunnel_stateless_vxlan_gpe[0x1];
u8 tunnel_stateless_ipv4_over_vxlan[0x1];
u8 tunnel_stateless_ip_over_ip[0x1];
- u8 reserved_at_2a[0x6];
+ u8 insert_trailer[0x1];
+ u8 reserved_at_2b[0x5];
u8 max_vxlan_udp_ports[0x8];
u8 reserved_at_38[0x6];
u8 max_geneve_opt_len[0x1];
@@ -903,7 +903,9 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
struct mlx5_ifc_roce_cap_bits {
u8 roce_apm[0x1];
- u8 reserved_at_1[0x1f];
+ u8 reserved_at_1[0x3];
+ u8 sw_r_roce_src_udp_port[0x1];
+ u8 reserved_at_5[0x1b];
u8 reserved_at_20[0x60];
@@ -1097,6 +1099,23 @@ struct mlx5_ifc_tls_cap_bits {
u8 reserved_at_20[0x7e0];
};
+struct mlx5_ifc_ipsec_cap_bits {
+ u8 ipsec_full_offload[0x1];
+ u8 ipsec_crypto_offload[0x1];
+ u8 ipsec_esn[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_256_encrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_128_encrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_256_decrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_128_decrypt[0x1];
+ u8 reserved_at_7[0x4];
+ u8 log_max_ipsec_offload[0x5];
+ u8 reserved_at_10[0x10];
+
+ u8 min_log_ipsec_full_replay_window[0x8];
+ u8 max_log_ipsec_full_replay_window[0x8];
+ u8 reserved_at_30[0x7d0];
+};
+
enum {
MLX5_WQ_TYPE_LINKED_LIST = 0x0,
MLX5_WQ_TYPE_CYCLIC = 0x1,
@@ -1189,7 +1208,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_99[0x2];
u8 log_max_qp[0x5];
- u8 reserved_at_a0[0xb];
+ u8 reserved_at_a0[0x3];
+ u8 ece_support[0x1];
+ u8 reserved_at_a4[0x7];
u8 log_max_srq[0x5];
u8 reserved_at_b0[0x10];
@@ -1223,7 +1244,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_130[0xa];
u8 log_max_ra_res_dc[0x6];
- u8 reserved_at_140[0x9];
+ u8 reserved_at_140[0x6];
+ u8 release_all_pages[0x1];
+ u8 reserved_at_147[0x2];
u8 roce_accl[0x1];
u8 log_max_ra_req_qp[0x6];
u8 reserved_at_150[0xa];
@@ -1296,7 +1319,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 wol_p[0x1];
u8 stat_rate_support[0x10];
- u8 reserved_at_1f0[0xc];
+ u8 reserved_at_1f0[0x1];
+ u8 pci_sync_for_fw_update_event[0x1];
+ u8 reserved_at_1f2[0xa];
u8 cqe_version[0x4];
u8 compact_address_vector[0x1];
@@ -1461,13 +1486,14 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_460[0x3];
u8 log_max_uctx[0x5];
- u8 reserved_at_468[0x3];
+ u8 reserved_at_468[0x2];
+ u8 ipsec_offload[0x1];
u8 log_max_umem[0x5];
u8 max_num_eqs[0x10];
u8 reserved_at_480[0x1];
u8 tls_tx[0x1];
- u8 reserved_at_482[0x1];
+ u8 tls_rx[0x1];
u8 log_max_l2_table[0x5];
u8 reserved_at_488[0x8];
u8 log_uar_page_sz[0x10];
@@ -1677,7 +1703,7 @@ struct mlx5_ifc_wq_bits {
u8 reserved_at_140[0x4c0];
- struct mlx5_ifc_cmd_pas_bits pas[0];
+ struct mlx5_ifc_cmd_pas_bits pas[];
};
struct mlx5_ifc_rq_num_bits {
@@ -1895,7 +1921,7 @@ struct mlx5_ifc_resource_dump_menu_segment_bits {
u8 reserved_at_20[0x10];
u8 num_of_records[0x10];
- struct mlx5_ifc_resource_dump_menu_record_bits record[0];
+ struct mlx5_ifc_resource_dump_menu_record_bits record[];
};
struct mlx5_ifc_resource_dump_resource_segment_bits {
@@ -1907,7 +1933,7 @@ struct mlx5_ifc_resource_dump_resource_segment_bits {
u8 index2[0x20];
- u8 payload[0][0x20];
+ u8 payload[][0x20];
};
struct mlx5_ifc_resource_dump_terminate_segment_bits {
@@ -2984,7 +3010,7 @@ struct mlx5_ifc_flow_context_bits {
u8 reserved_at_1200[0x600];
- union mlx5_ifc_dest_format_struct_flow_counter_list_auto_bits destination[0];
+ union mlx5_ifc_dest_format_struct_flow_counter_list_auto_bits destination[];
};
enum {
@@ -3112,7 +3138,8 @@ struct mlx5_ifc_tirc_bits {
u8 reserved_at_0[0x20];
u8 disp_type[0x4];
- u8 reserved_at_24[0x1c];
+ u8 tls_en[0x1];
+ u8 reserved_at_25[0x1b];
u8 reserved_at_40[0x40];
@@ -3276,7 +3303,7 @@ struct mlx5_ifc_rqtc_bits {
u8 reserved_at_e0[0x6a0];
- struct mlx5_ifc_rq_num_bits rq_num[0];
+ struct mlx5_ifc_rq_num_bits rq_num[];
};
enum {
@@ -3388,7 +3415,7 @@ struct mlx5_ifc_nic_vport_context_bits {
u8 reserved_at_7e0[0x20];
- u8 current_uc_mac_address[0][0x40];
+ u8 current_uc_mac_address[][0x40];
};
enum {
@@ -4140,7 +4167,8 @@ enum {
MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION = 0x0,
MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_TAG = 0x1,
MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST = 0x2,
- MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS = 0x3
+ MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS = 0x3,
+ MLX5_SET_FTE_MODIFY_ENABLE_MASK_IPSEC_OBJ_ID = 0x4
};
struct mlx5_ifc_set_fte_out_bits {
@@ -4190,7 +4218,8 @@ struct mlx5_ifc_rts2rts_qp_out_bits {
u8 syndrome[0x20];
- u8 reserved_at_40[0x40];
+ u8 reserved_at_40[0x20];
+ u8 ece[0x20];
};
struct mlx5_ifc_rts2rts_qp_in_bits {
@@ -4207,7 +4236,7 @@ struct mlx5_ifc_rts2rts_qp_in_bits {
u8 opt_param_mask[0x20];
- u8 reserved_at_a0[0x20];
+ u8 ece[0x20];
struct mlx5_ifc_qpc_bits qpc;
@@ -4220,7 +4249,8 @@ struct mlx5_ifc_rtr2rts_qp_out_bits {
u8 syndrome[0x20];
- u8 reserved_at_40[0x40];
+ u8 reserved_at_40[0x20];
+ u8 ece[0x20];
};
struct mlx5_ifc_rtr2rts_qp_in_bits {
@@ -4237,7 +4267,7 @@ struct mlx5_ifc_rtr2rts_qp_in_bits {
u8 opt_param_mask[0x20];
- u8 reserved_at_a0[0x20];
+ u8 ece[0x20];
struct mlx5_ifc_qpc_bits qpc;
@@ -4310,7 +4340,7 @@ struct mlx5_ifc_query_xrc_srq_out_bits {
u8 reserved_at_280[0x600];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_query_xrc_srq_in_bits {
@@ -4588,7 +4618,7 @@ struct mlx5_ifc_query_srq_out_bits {
u8 reserved_at_280[0x600];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_query_srq_in_bits {
@@ -4789,7 +4819,8 @@ struct mlx5_ifc_query_qp_out_bits {
u8 syndrome[0x20];
- u8 reserved_at_40[0x40];
+ u8 reserved_at_40[0x20];
+ u8 ece[0x20];
u8 opt_param_mask[0x20];
@@ -4799,7 +4830,7 @@ struct mlx5_ifc_query_qp_out_bits {
u8 reserved_at_800[0x80];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_query_qp_in_bits {
@@ -5132,7 +5163,7 @@ struct mlx5_ifc_query_hca_vport_pkey_out_bits {
u8 reserved_at_40[0x40];
- struct mlx5_ifc_pkey_bits pkey[0];
+ struct mlx5_ifc_pkey_bits pkey[];
};
struct mlx5_ifc_query_hca_vport_pkey_in_bits {
@@ -5168,7 +5199,7 @@ struct mlx5_ifc_query_hca_vport_gid_out_bits {
u8 gids_num[0x10];
u8 reserved_at_70[0x10];
- struct mlx5_ifc_array128_auto_bits gid[0];
+ struct mlx5_ifc_array128_auto_bits gid[];
};
struct mlx5_ifc_query_hca_vport_gid_in_bits {
@@ -5436,7 +5467,7 @@ struct mlx5_ifc_query_flow_counter_out_bits {
u8 reserved_at_40[0x40];
- struct mlx5_ifc_traffic_counter_bits flow_statistics[0];
+ struct mlx5_ifc_traffic_counter_bits flow_statistics[];
};
struct mlx5_ifc_query_flow_counter_in_bits {
@@ -5530,7 +5561,7 @@ struct mlx5_ifc_query_eq_out_bits {
u8 reserved_at_300[0x580];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_query_eq_in_bits {
@@ -5555,7 +5586,7 @@ struct mlx5_ifc_packet_reformat_context_in_bits {
u8 reserved_at_20[0x10];
u8 reformat_data[2][0x8];
- u8 more_reformat_data[0][0x8];
+ u8 more_reformat_data[][0x8];
};
struct mlx5_ifc_query_packet_reformat_context_out_bits {
@@ -5566,7 +5597,7 @@ struct mlx5_ifc_query_packet_reformat_context_out_bits {
u8 reserved_at_40[0xa0];
- struct mlx5_ifc_packet_reformat_context_in_bits packet_reformat_context[0];
+ struct mlx5_ifc_packet_reformat_context_in_bits packet_reformat_context[];
};
struct mlx5_ifc_query_packet_reformat_context_in_bits {
@@ -5667,9 +5698,9 @@ struct mlx5_ifc_copy_action_in_bits {
u8 reserved_at_38[0x8];
};
-union mlx5_ifc_set_action_in_add_action_in_auto_bits {
- struct mlx5_ifc_set_action_in_bits set_action_in;
- struct mlx5_ifc_add_action_in_bits add_action_in;
+union mlx5_ifc_set_add_copy_action_in_auto_bits {
+ struct mlx5_ifc_set_action_in_bits set_action_in;
+ struct mlx5_ifc_add_action_in_bits add_action_in;
struct mlx5_ifc_copy_action_in_bits copy_action_in;
u8 reserved_at_0[0x40];
};
@@ -5743,7 +5774,7 @@ struct mlx5_ifc_alloc_modify_header_context_in_bits {
u8 reserved_at_68[0x10];
u8 num_of_actions[0x8];
- union mlx5_ifc_set_action_in_add_action_in_auto_bits actions[0];
+ union mlx5_ifc_set_add_copy_action_in_auto_bits actions[0];
};
struct mlx5_ifc_dealloc_modify_header_context_out_bits {
@@ -5805,7 +5836,7 @@ struct mlx5_ifc_query_cq_out_bits {
u8 reserved_at_280[0x600];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_query_cq_in_bits {
@@ -6412,7 +6443,7 @@ struct mlx5_ifc_modify_cq_in_bits {
u8 reserved_at_300[0x580];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_modify_cong_status_out_bits {
@@ -6476,7 +6507,7 @@ struct mlx5_ifc_manage_pages_out_bits {
u8 reserved_at_60[0x20];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
enum {
@@ -6498,7 +6529,7 @@ struct mlx5_ifc_manage_pages_in_bits {
u8 input_num_entries[0x20];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_mad_ifc_out_bits {
@@ -6554,7 +6585,8 @@ struct mlx5_ifc_init2rtr_qp_out_bits {
u8 syndrome[0x20];
- u8 reserved_at_40[0x40];
+ u8 reserved_at_40[0x20];
+ u8 ece[0x20];
};
struct mlx5_ifc_init2rtr_qp_in_bits {
@@ -6571,7 +6603,7 @@ struct mlx5_ifc_init2rtr_qp_in_bits {
u8 opt_param_mask[0x20];
- u8 reserved_at_a0[0x20];
+ u8 ece[0x20];
struct mlx5_ifc_qpc_bits qpc;
@@ -7453,7 +7485,7 @@ struct mlx5_ifc_create_xrc_srq_in_bits {
u8 reserved_at_300[0x580];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_create_tis_out_bits {
@@ -7529,7 +7561,7 @@ struct mlx5_ifc_create_srq_in_bits {
u8 reserved_at_280[0x600];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_create_sq_out_bits {
@@ -7667,7 +7699,7 @@ struct mlx5_ifc_create_qp_out_bits {
u8 reserved_at_40[0x8];
u8 qpn[0x18];
- u8 reserved_at_60[0x20];
+ u8 ece[0x20];
};
struct mlx5_ifc_create_qp_in_bits {
@@ -7681,7 +7713,7 @@ struct mlx5_ifc_create_qp_in_bits {
u8 opt_param_mask[0x20];
- u8 reserved_at_a0[0x20];
+ u8 ece[0x20];
struct mlx5_ifc_qpc_bits qpc;
@@ -7690,7 +7722,7 @@ struct mlx5_ifc_create_qp_in_bits {
u8 wq_umem_valid[0x1];
u8 reserved_at_861[0x1f];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_create_psv_out_bits {
@@ -7761,7 +7793,7 @@ struct mlx5_ifc_create_mkey_in_bits {
u8 reserved_at_320[0x560];
- u8 klm_pas_mtt[0][0x20];
+ u8 klm_pas_mtt[][0x20];
};
enum {
@@ -7894,7 +7926,7 @@ struct mlx5_ifc_create_eq_in_bits {
u8 reserved_at_3c0[0x4c0];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_create_dct_out_bits {
@@ -7951,7 +7983,7 @@ struct mlx5_ifc_create_cq_in_bits {
u8 cq_umem_valid[0x1];
u8 reserved_at_2e1[0x59f];
- u8 pas[0][0x40];
+ u8 pas[][0x40];
};
struct mlx5_ifc_config_int_moderation_out_bits {
@@ -8307,7 +8339,7 @@ struct mlx5_ifc_access_register_out_bits {
u8 reserved_at_40[0x40];
- u8 register_data[0][0x20];
+ u8 register_data[][0x20];
};
enum {
@@ -8327,7 +8359,7 @@ struct mlx5_ifc_access_register_in_bits {
u8 argument[0x20];
- u8 register_data[0][0x20];
+ u8 register_data[][0x20];
};
struct mlx5_ifc_sltp_reg_bits {
@@ -9344,7 +9376,7 @@ struct mlx5_ifc_cmd_in_bits {
u8 reserved_at_20[0x10];
u8 op_mod[0x10];
- u8 command[0][0x20];
+ u8 command[][0x20];
};
struct mlx5_ifc_cmd_if_box_bits {
@@ -9638,7 +9670,7 @@ struct mlx5_ifc_mcqi_reg_bits {
u8 reserved_at_a0[0x10];
u8 data_size[0x10];
- union mlx5_ifc_mcqi_reg_data_bits data[0];
+ union mlx5_ifc_mcqi_reg_data_bits data[];
};
struct mlx5_ifc_mcc_reg_bits {
@@ -9680,6 +9712,29 @@ struct mlx5_ifc_mcda_reg_bits {
u8 data[0][0x20];
};
+enum {
+ MLX5_MFRL_REG_RESET_TYPE_FULL_CHIP = BIT(0),
+ MLX5_MFRL_REG_RESET_TYPE_NET_PORT_ALIVE = BIT(1),
+};
+
+enum {
+ MLX5_MFRL_REG_RESET_LEVEL0 = BIT(0),
+ MLX5_MFRL_REG_RESET_LEVEL3 = BIT(3),
+ MLX5_MFRL_REG_RESET_LEVEL6 = BIT(6),
+};
+
+struct mlx5_ifc_mfrl_reg_bits {
+ u8 reserved_at_0[0x20];
+
+ u8 reserved_at_20[0x2];
+ u8 pci_sync_for_fw_update_start[0x1];
+ u8 pci_sync_for_fw_update_resp[0x2];
+ u8 rst_type_sel[0x3];
+ u8 reserved_at_28[0x8];
+ u8 reset_type[0x8];
+ u8 reset_level[0x8];
+};
+
struct mlx5_ifc_mirc_reg_bits {
u8 reserved_at_0[0x18];
u8 status_code[0x8];
@@ -9743,6 +9798,7 @@ union mlx5_ifc_ports_control_registers_document_bits {
struct mlx5_ifc_mcc_reg_bits mcc_reg;
struct mlx5_ifc_mcda_reg_bits mcda_reg;
struct mlx5_ifc_mirc_reg_bits mirc_reg;
+ struct mlx5_ifc_mfrl_reg_bits mfrl_reg;
u8 reserved_at_0[0x60e0];
};
@@ -10200,7 +10256,7 @@ struct mlx5_ifc_umem_bits {
u8 num_of_mtt[0x40];
- struct mlx5_ifc_mtt_bits mtt[0];
+ struct mlx5_ifc_mtt_bits mtt[];
};
struct mlx5_ifc_uctx_bits {
@@ -10325,7 +10381,7 @@ struct mlx5_ifc_mtrc_stdb_bits {
u8 reserved_at_4[0x4];
u8 read_size[0x18];
u8 start_offset[0x20];
- u8 string_db_data[0];
+ u8 string_db_data[];
};
struct mlx5_ifc_mtrc_ctrl_bits {
@@ -10379,7 +10435,7 @@ struct mlx5_ifc_query_esw_functions_out_bits {
struct mlx5_ifc_host_params_context_bits host_params_context;
u8 reserved_at_280[0x180];
- u8 host_sf_enable[0][0x40];
+ u8 host_sf_enable[][0x40];
};
struct mlx5_ifc_sf_partition_bits {
@@ -10399,7 +10455,7 @@ struct mlx5_ifc_query_sf_partitions_out_bits {
u8 reserved_at_60[0x20];
- struct mlx5_ifc_sf_partition_bits sf_partition[0];
+ struct mlx5_ifc_sf_partition_bits sf_partition[];
};
struct mlx5_ifc_query_sf_partitions_in_bits {
@@ -10465,10 +10521,62 @@ struct mlx5_ifc_affiliated_event_header_bits {
enum {
MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = BIT(0xc),
+ MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC = BIT(0x13),
};
enum {
MLX5_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = 0xc,
+ MLX5_GENERAL_OBJECT_TYPES_IPSEC = 0x13,
+};
+
+enum {
+ MLX5_IPSEC_OBJECT_ICV_LEN_16B,
+ MLX5_IPSEC_OBJECT_ICV_LEN_12B,
+ MLX5_IPSEC_OBJECT_ICV_LEN_8B,
+};
+
+struct mlx5_ifc_ipsec_obj_bits {
+ u8 modify_field_select[0x40];
+ u8 full_offload[0x1];
+ u8 reserved_at_41[0x1];
+ u8 esn_en[0x1];
+ u8 esn_overlap[0x1];
+ u8 reserved_at_44[0x2];
+ u8 icv_length[0x2];
+ u8 reserved_at_48[0x4];
+ u8 aso_return_reg[0x4];
+ u8 reserved_at_50[0x10];
+
+ u8 esn_msb[0x20];
+
+ u8 reserved_at_80[0x8];
+ u8 dekn[0x18];
+
+ u8 salt[0x20];
+
+ u8 implicit_iv[0x40];
+
+ u8 reserved_at_100[0x700];
+};
+
+struct mlx5_ifc_create_ipsec_obj_in_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
+};
+
+enum {
+ MLX5_MODIFY_IPSEC_BITMASK_ESN_OVERLAP = BIT(0),
+ MLX5_MODIFY_IPSEC_BITMASK_ESN_MSB = BIT(1),
+};
+
+struct mlx5_ifc_query_ipsec_obj_out_bits {
+ struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
+};
+
+struct mlx5_ifc_modify_ipsec_obj_in_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
};
struct mlx5_ifc_encryption_key_obj_bits {
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index ae63b1ae9004..1af5e460b5f6 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -229,6 +229,11 @@ enum {
enum {
MLX5_ETH_WQE_SVLAN = 1 << 0,
+ MLX5_ETH_WQE_TRAILER_HDR_OUTER_IP_ASSOC = 1 << 26,
+ MLX5_ETH_WQE_TRAILER_HDR_OUTER_L4_ASSOC = 1 << 27,
+ MLX5_ETH_WQE_TRAILER_HDR_INNER_IP_ASSOC = 3 << 26,
+ MLX5_ETH_WQE_TRAILER_HDR_INNER_L4_ASSOC = 1 << 28,
+ MLX5_ETH_WQE_INSERT_TRAILER = 1 << 30,
MLX5_ETH_WQE_INSERT_VLAN = 1 << 15,
};
@@ -257,6 +262,7 @@ struct mlx5_wqe_eth_seg {
__be16 type;
__be16 vlan_tci;
} insert;
+ __be32 trailer;
};
};
@@ -402,7 +408,7 @@ struct mlx5_wqe_signature_seg {
struct mlx5_wqe_inline_seg {
__be32 byte_count;
- __be32 data[0];
+ __be32 data[];
};
enum mlx5_sig_type {
@@ -553,57 +559,8 @@ struct mlx5_qp_context {
u8 rsvd1[24];
};
-static inline struct mlx5_core_qp *__mlx5_qp_lookup(struct mlx5_core_dev *dev, u32 qpn)
-{
- return radix_tree_lookup(&dev->priv.qp_table.tree, qpn);
-}
-
-int mlx5_core_create_dct(struct mlx5_core_dev *dev,
- struct mlx5_core_dct *qp,
- u32 *in, int inlen,
- u32 *out, int outlen);
-int mlx5_core_create_qp(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *qp,
- u32 *in,
- int inlen);
-int mlx5_core_qp_modify(struct mlx5_core_dev *dev, u16 opcode,
- u32 opt_param_mask, void *qpc,
- struct mlx5_core_qp *qp);
-int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *qp);
-int mlx5_core_destroy_dct(struct mlx5_core_dev *dev,
- struct mlx5_core_dct *dct);
-int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp,
- u32 *out, int outlen);
-int mlx5_core_dct_query(struct mlx5_core_dev *dev, struct mlx5_core_dct *dct,
- u32 *out, int outlen);
-
-int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
- u32 timeout_usec);
-
-int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn);
-int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn);
-void mlx5_init_qp_table(struct mlx5_core_dev *dev);
-void mlx5_cleanup_qp_table(struct mlx5_core_dev *dev);
int mlx5_debug_qp_add(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
void mlx5_debug_qp_remove(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp);
-int mlx5_core_create_rq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
- struct mlx5_core_qp *rq);
-void mlx5_core_destroy_rq_tracked(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *rq);
-int mlx5_core_create_sq_tracked(struct mlx5_core_dev *dev, u32 *in, int inlen,
- struct mlx5_core_qp *sq);
-void mlx5_core_destroy_sq_tracked(struct mlx5_core_dev *dev,
- struct mlx5_core_qp *sq);
-int mlx5_core_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id);
-int mlx5_core_dealloc_q_counter(struct mlx5_core_dev *dev, u16 counter_id);
-int mlx5_core_query_q_counter(struct mlx5_core_dev *dev, u16 counter_id,
- int reset, void *out, int out_size);
-
-struct mlx5_core_rsc_common *mlx5_core_res_hold(struct mlx5_core_dev *dev,
- int res_num,
- enum mlx5_res_type res_type);
-void mlx5_core_res_put(struct mlx5_core_rsc_common *res);
static inline const char *mlx5_qp_type_str(int type)
{
diff --git a/include/linux/mlx5/transobj.h b/include/linux/mlx5/transobj.h
index dc6b1e7cb8c4..028f442530cf 100644
--- a/include/linux/mlx5/transobj.h
+++ b/include/linux/mlx5/transobj.h
@@ -39,27 +39,20 @@ int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *rqn);
-int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
+int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in);
void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *sqn);
-int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
+int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in);
void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
-int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
- u32 *tirn);
-int mlx5_core_create_tir_out(struct mlx5_core_dev *dev,
- u32 *in, int inlen,
- u32 *out, int outlen);
-int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
- int inlen);
+int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, u32 *tirn);
+int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in);
void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
-int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
- u32 *tisn);
-int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
- int inlen);
+int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, u32 *tisn);
+int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in);
void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
u32 *rqtn);
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 16060fb9b5e5..8170da1e9f70 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -127,8 +127,7 @@ int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
u8 other_vport, u64 *rx_discard_vport_down,
u64 *tx_discard_vport_down);
int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
- int vf, u8 port_num, void *out,
- size_t out_sz);
+ int vf, u8 port_num, void *out);
int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
u8 other_vport, u8 port_num,
int vf,
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 5a323422d783..66e0977f970a 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -201,10 +201,10 @@ extern int sysctl_overcommit_memory;
extern int sysctl_overcommit_ratio;
extern unsigned long sysctl_overcommit_kbytes;
-extern int overcommit_ratio_handler(struct ctl_table *, int, void __user *,
- size_t *, loff_t *);
-extern int overcommit_kbytes_handler(struct ctl_table *, int, void __user *,
- size_t *, loff_t *);
+int overcommit_ratio_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int overcommit_kbytes_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
@@ -325,17 +325,13 @@ extern unsigned int kobjsize(const void *objp);
#elif defined(CONFIG_SPARC64)
# define VM_SPARC_ADI VM_ARCH_1 /* Uses ADI tag for access control */
# define VM_ARCH_CLEAR VM_SPARC_ADI
+#elif defined(CONFIG_ARM64)
+# define VM_ARM64_BTI VM_ARCH_1 /* BTI guarded page, a.k.a. GP bit */
+# define VM_ARCH_CLEAR VM_ARM64_BTI
#elif !defined(CONFIG_MMU)
# define VM_MAPPED_COPY VM_ARCH_1 /* T if mapped copy of data (nommu mmap) */
#endif
-#if defined(CONFIG_X86_INTEL_MPX)
-/* MPX specific bounds table or bounds directory */
-# define VM_MPX VM_HIGH_ARCH_4
-#else
-# define VM_MPX VM_NONE
-#endif
-
#ifndef VM_GROWSUP
# define VM_GROWSUP VM_NONE
#endif
@@ -505,7 +501,6 @@ struct vm_fault {
pte_t orig_pte; /* Value of PTE at the time of fault */
struct page *cow_page; /* Page handler may use for COW fault */
- struct mem_cgroup *memcg; /* Cgroup cow_page belongs to */
struct page *page; /* ->fault handlers should return a
* page here, unless VM_FAULT_NOPAGE
* is set (which is also implied by
@@ -782,6 +777,11 @@ static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
extern void kvfree(const void *addr);
+/*
+ * Mapcount of compound page as a whole, does not include mapped sub-pages.
+ *
+ * Must be called only for compound pages or any their tail sub-pages.
+ */
static inline int compound_mapcount(struct page *page)
{
VM_BUG_ON_PAGE(!PageCompound(page), page);
@@ -801,10 +801,16 @@ static inline void page_mapcount_reset(struct page *page)
int __page_mapcount(struct page *page);
+/*
+ * Mapcount of 0-order page; when compound sub-page, includes
+ * compound_mapcount().
+ *
+ * Result is undefined for pages which cannot be mapped into userspace.
+ * For example SLAB or special types of pages. See function page_has_type().
+ * They use this place in struct page differently.
+ */
static inline int page_mapcount(struct page *page)
{
- VM_BUG_ON_PAGE(PageSlab(page), page);
-
if (unlikely(PageCompound(page)))
return __page_mapcount(page);
return atomic_read(&page->_mapcount) + 1;
@@ -860,7 +866,7 @@ enum compound_dtor_id {
#endif
NR_COMPOUND_DTORS,
};
-extern compound_page_dtor * const compound_page_dtors[];
+extern compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS];
static inline void set_compound_page_dtor(struct page *page,
enum compound_dtor_id compound_dtor)
@@ -869,10 +875,10 @@ static inline void set_compound_page_dtor(struct page *page,
page[1].compound_dtor = compound_dtor;
}
-static inline compound_page_dtor *get_compound_page_dtor(struct page *page)
+static inline void destroy_compound_page(struct page *page)
{
VM_BUG_ON_PAGE(page[1].compound_dtor >= NR_COMPOUND_DTORS, page);
- return compound_page_dtors[page[1].compound_dtor];
+ compound_page_dtors[page[1].compound_dtor](page);
}
static inline unsigned int compound_order(struct page *page)
@@ -939,8 +945,7 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
return pte;
}
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
- struct page *page);
+vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page);
vm_fault_t finish_fault(struct vm_fault *vmf);
vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf);
#endif
@@ -1219,7 +1224,7 @@ void unpin_user_pages(struct page **pages, unsigned long npages);
* used to track the pincount (instead using of the GUP_PIN_COUNTING_BIAS
* scheme).
*
- * For more information, please see Documentation/vm/pin_user_pages.rst.
+ * For more information, please see Documentation/core-api/pin_user_pages.rst.
*
* @page: pointer to page to be queried.
* @Return: True, if it is likely that the page has been "dma-pinned".
@@ -1702,6 +1707,8 @@ long get_user_pages_locked(unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages, int *locked);
long get_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
struct page **pages, unsigned int gup_flags);
+long pin_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
+ struct page **pages, unsigned int gup_flags);
int get_user_pages_fast(unsigned long start, int nr_pages,
unsigned int gup_flags, struct page **pages);
@@ -1818,6 +1825,8 @@ extern int mprotect_fixup(struct vm_area_struct *vma,
*/
int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
struct page **pages);
+int pin_user_pages_fast_only(unsigned long start, int nr_pages,
+ unsigned int gup_flags, struct page **pages);
/*
* per-process(per-mm_struct) statistics.
*/
@@ -2078,13 +2087,54 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, p4d_t *p4d,
return (unlikely(p4d_none(*p4d)) && __pud_alloc(mm, p4d, address)) ?
NULL : pud_offset(p4d, address);
}
+
+static inline p4d_t *p4d_alloc_track(struct mm_struct *mm, pgd_t *pgd,
+ unsigned long address,
+ pgtbl_mod_mask *mod_mask)
+
+{
+ if (unlikely(pgd_none(*pgd))) {
+ if (__p4d_alloc(mm, pgd, address))
+ return NULL;
+ *mod_mask |= PGTBL_PGD_MODIFIED;
+ }
+
+ return p4d_offset(pgd, address);
+}
+
#endif /* !__ARCH_HAS_5LEVEL_HACK */
+static inline pud_t *pud_alloc_track(struct mm_struct *mm, p4d_t *p4d,
+ unsigned long address,
+ pgtbl_mod_mask *mod_mask)
+{
+ if (unlikely(p4d_none(*p4d))) {
+ if (__pud_alloc(mm, p4d, address))
+ return NULL;
+ *mod_mask |= PGTBL_P4D_MODIFIED;
+ }
+
+ return pud_offset(p4d, address);
+}
+
static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address)
{
return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))?
NULL: pmd_offset(pud, address);
}
+
+static inline pmd_t *pmd_alloc_track(struct mm_struct *mm, pud_t *pud,
+ unsigned long address,
+ pgtbl_mod_mask *mod_mask)
+{
+ if (unlikely(pud_none(*pud))) {
+ if (__pmd_alloc(mm, pud, address))
+ return NULL;
+ *mod_mask |= PGTBL_PUD_MODIFIED;
+ }
+
+ return pmd_offset(pud, address);
+}
#endif /* CONFIG_MMU */
#if USE_SPLIT_PTE_PTLOCKS
@@ -2200,6 +2250,11 @@ static inline void pgtable_pte_page_dtor(struct page *page)
((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd))? \
NULL: pte_offset_kernel(pmd, address))
+#define pte_alloc_kernel_track(pmd, address, mask) \
+ ((unlikely(pmd_none(*(pmd))) && \
+ (__pte_alloc_kernel(pmd) || ({*(mask)|=PGTBL_PMD_MODIFIED;0;})))?\
+ NULL: pte_offset_kernel(pmd, address))
+
#if USE_SPLIT_PMD_PTLOCKS
static struct page *pmd_to_page(pmd_t *pmd)
@@ -2272,9 +2327,7 @@ static inline spinlock_t *pud_lock(struct mm_struct *mm, pud_t *pud)
}
extern void __init pagecache_init(void);
-extern void free_area_init(unsigned long * zones_size);
-extern void __init free_area_init_node(int nid, unsigned long * zones_size,
- unsigned long zone_start_pfn, unsigned long *zholes_size);
+extern void __init free_area_init_memoryless_node(int nid);
extern void free_initmem(void);
/*
@@ -2344,34 +2397,26 @@ static inline unsigned long get_num_physpages(void)
return phys_pages;
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
/*
- * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its
- * zones, allocate the backing mem_map and account for memory holes in a more
- * architecture independent manner. This is a substitute for creating the
- * zone_sizes[] and zholes_size[] arrays and passing them to
- * free_area_init_node()
+ * Using memblock node mappings, an architecture may initialise its
+ * zones, allocate the backing mem_map and account for memory holes in an
+ * architecture independent manner.
*
* An architecture is expected to register range of page frames backed by
* physical memory with memblock_add[_node]() before calling
- * free_area_init_nodes() passing in the PFN each zone ends at. At a basic
+ * free_area_init() passing in the PFN each zone ends at. At a basic
* usage, an architecture is expected to do something like
*
* unsigned long max_zone_pfns[MAX_NR_ZONES] = {max_dma, max_normal_pfn,
* max_highmem_pfn};
* for_each_valid_physical_page_range()
* memblock_add_node(base, size, nid)
- * free_area_init_nodes(max_zone_pfns);
+ * free_area_init(max_zone_pfns);
*
- * free_bootmem_with_active_regions() calls free_bootmem_node() for each
- * registered physical page range. Similarly
* sparse_memory_present_with_active_regions() calls memory_present() for
* each range when SPARSEMEM is enabled.
- *
- * See mm/page_alloc.c for more information on each function exposed by
- * CONFIG_HAVE_MEMBLOCK_NODE_MAP.
*/
-extern void free_area_init_nodes(unsigned long *max_zone_pfn);
+void free_area_init(unsigned long *max_zone_pfn);
unsigned long node_map_pfn_alignment(void);
unsigned long __absent_pages_in_range(int nid, unsigned long start_pfn,
unsigned long end_pfn);
@@ -2380,16 +2425,10 @@ extern unsigned long absent_pages_in_range(unsigned long start_pfn,
extern void get_pfn_range_for_nid(unsigned int nid,
unsigned long *start_pfn, unsigned long *end_pfn);
extern unsigned long find_min_pfn_with_active_regions(void);
-extern void free_bootmem_with_active_regions(int nid,
- unsigned long max_low_pfn);
extern void sparse_memory_present_with_active_regions(int nid);
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
-#if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \
- !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID)
-static inline int __early_pfn_to_nid(unsigned long pfn,
- struct mminit_pfnnid_cache *state)
+#ifndef CONFIG_NEED_MULTIPLE_NODES
+static inline int early_pfn_to_nid(unsigned long pfn)
{
return 0;
}
@@ -2425,6 +2464,7 @@ extern void setup_per_cpu_pageset(void);
extern int min_free_kbytes;
extern int watermark_boost_factor;
extern int watermark_scale_factor;
+extern bool arch_has_descending_max_zone_pfns(void);
/* nommu.c */
extern atomic_long_t mmap_pages_allocated;
@@ -2601,25 +2641,6 @@ extern vm_fault_t filemap_page_mkwrite(struct vm_fault *vmf);
int __must_check write_one_page(struct page *page);
void task_dirty_inc(struct task_struct *tsk);
-/* readahead.c */
-#define VM_READAHEAD_PAGES (SZ_128K / PAGE_SIZE)
-
-int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
- pgoff_t offset, unsigned long nr_to_read);
-
-void page_cache_sync_readahead(struct address_space *mapping,
- struct file_ra_state *ra,
- struct file *filp,
- pgoff_t offset,
- unsigned long size);
-
-void page_cache_async_readahead(struct address_space *mapping,
- struct file_ra_state *ra,
- struct file *filp,
- struct page *pg,
- pgoff_t offset,
- unsigned long size);
-
extern unsigned long stack_guard_gap;
/* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */
extern int expand_stack(struct vm_area_struct *vma, unsigned long address);
@@ -2780,6 +2801,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
#define FOLL_LONGTERM 0x10000 /* mapping lifetime is indefinite: see below */
#define FOLL_SPLIT_PMD 0x20000 /* split huge pmd before returning */
#define FOLL_PIN 0x40000 /* pages must be released via unpin_user_page */
+#define FOLL_FAST_ONLY 0x80000 /* gup_fast: prevent fall-back to slow gup */
/*
* FOLL_PIN and FOLL_LONGTERM may be used in various combinations with each
@@ -2834,7 +2856,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
* releasing pages: get_user_pages*() pages must be released via put_page(),
* while pin_user_pages*() pages must be released via unpin_user_page().
*
- * Please see Documentation/vm/pin_user_pages.rst for more information.
+ * Please see Documentation/core-api/pin_user_pages.rst for more information.
*/
static inline int vm_fault_to_errno(vm_fault_t vm_fault, int foll_flags)
@@ -2957,8 +2979,8 @@ extern bool process_shares_mm(struct task_struct *p, struct mm_struct *mm);
#ifdef CONFIG_SYSCTL
extern int sysctl_drop_caches;
-int drop_caches_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+int drop_caches_sysctl_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
#endif
void drop_slab(void);
@@ -3012,6 +3034,7 @@ enum mf_flags {
};
extern int memory_failure(unsigned long pfn, int flags);
extern void memory_failure_queue(unsigned long pfn, int flags);
+extern void memory_failure_queue_kick(int cpu);
extern int unpoison_memory(unsigned long pfn);
extern int get_hwpoison_page(struct page *page);
#define put_hwpoison_page(page) put_page(page)
@@ -3140,5 +3163,7 @@ unsigned long wp_shared_mapping_range(struct address_space *mapping,
pgoff_t first_index, pgoff_t nr);
#endif
+extern int sysctl_nr_trim_pages;
+
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 4aba6c0c2ba8..ef6d3aface8a 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -240,7 +240,11 @@ static inline atomic_t *compound_pincount_ptr(struct page *page)
#define PAGE_FRAG_CACHE_MAX_ORDER get_order(PAGE_FRAG_CACHE_MAX_SIZE)
#define page_private(page) ((page)->private)
-#define set_page_private(page, v) ((page)->private = (v))
+
+static inline void set_page_private(struct page *page, unsigned long private)
+{
+ page->private = private;
+}
struct page_frag_cache {
void * va;
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index cf3780a6ccc4..7d46411ffaa2 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -48,6 +48,7 @@ struct mmc_ext_csd {
u8 sec_feature_support;
u8 rel_sectors;
u8 rel_param;
+ bool enhanced_rpmb_supported;
u8 part_config;
u8 cache_ctrl;
u8 rst_n_function;
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index c318fb5b6a94..7149bab555d7 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -92,6 +92,9 @@ struct mmc_host_ops {
int err);
void (*pre_req)(struct mmc_host *host, struct mmc_request *req);
void (*request)(struct mmc_host *host, struct mmc_request *req);
+ /* Submit one request to host in atomic context. */
+ int (*request_atomic)(struct mmc_host *host,
+ struct mmc_request *req);
/*
* Avoid calling the next three functions too often or in a "fast
@@ -318,7 +321,6 @@ struct mmc_host {
#define MMC_CAP_AGGRESSIVE_PM (1 << 7) /* Suspend (e)MMC/SD at idle */
#define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */
#define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */
-#define MMC_CAP_ERASE (1 << 10) /* Allow erase/trim commands */
#define MMC_CAP_3_3V_DDR (1 << 11) /* Host supports eMMC DDR 3.3V */
#define MMC_CAP_1_8V_DDR (1 << 12) /* Host supports eMMC DDR 1.8V */
#define MMC_CAP_1_2V_DDR (1 << 13) /* Host supports eMMC DDR 1.2V */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 4b85ef05a906..d9a65c6a8816 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -325,6 +325,7 @@ static inline bool mmc_ready_for_data(u32 status)
*/
#define EXT_CSD_WR_REL_PARAM_EN (1<<2)
+#define EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR (1<<4)
#define EXT_CSD_BOOT_WP_B_PWR_WP_DIS (0x40)
#define EXT_CSD_BOOT_WP_B_PERM_WP_DIS (0x10)
diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index 2e9a6e4634eb..15ed8ce9d394 100644
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -24,59 +24,101 @@
/*
* Vendors and devices. Sort key: vendor first, device next.
*/
+
+#define SDIO_VENDOR_ID_STE 0x0020
+#define SDIO_DEVICE_ID_STE_CW1200 0x2280
+
+#define SDIO_VENDOR_ID_INTEL 0x0089
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIFI 0x1403
+#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP 0x1404
+#define SDIO_DEVICE_ID_INTEL_IWMC3200GPS 0x1405
+#define SDIO_DEVICE_ID_INTEL_IWMC3200BT 0x1406
+#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5 0x1407
+
+#define SDIO_VENDOR_ID_CGUYS 0x0092
+#define SDIO_DEVICE_ID_CGUYS_EW_CG1102GC 0x0004
+
+#define SDIO_VENDOR_ID_TI 0x0097
+#define SDIO_DEVICE_ID_TI_WL1271 0x4076
+
+#define SDIO_VENDOR_ID_ATHEROS 0x0271
+#define SDIO_DEVICE_ID_ATHEROS_AR6003_00 0x0300
+#define SDIO_DEVICE_ID_ATHEROS_AR6003_01 0x0301
+#define SDIO_DEVICE_ID_ATHEROS_AR6004_00 0x0400
+#define SDIO_DEVICE_ID_ATHEROS_AR6004_01 0x0401
+#define SDIO_DEVICE_ID_ATHEROS_AR6004_02 0x0402
+#define SDIO_DEVICE_ID_ATHEROS_AR6004_18 0x0418
+#define SDIO_DEVICE_ID_ATHEROS_AR6004_19 0x0419
+#define SDIO_DEVICE_ID_ATHEROS_AR6005 0x050A
+#define SDIO_DEVICE_ID_ATHEROS_QCA9377 0x0701
+
#define SDIO_VENDOR_ID_BROADCOM 0x02d0
-#define SDIO_DEVICE_ID_BROADCOM_43143 0xa887
+#define SDIO_DEVICE_ID_BROADCOM_NINTENDO_WII 0x044b
#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324
#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329
#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330
#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334
-#define SDIO_DEVICE_ID_BROADCOM_43340 0xa94c
-#define SDIO_DEVICE_ID_BROADCOM_43341 0xa94d
#define SDIO_DEVICE_ID_BROADCOM_4335_4339 0x4335
#define SDIO_DEVICE_ID_BROADCOM_4339 0x4339
-#define SDIO_DEVICE_ID_BROADCOM_43362 0xa962
-#define SDIO_DEVICE_ID_BROADCOM_43364 0xa9a4
-#define SDIO_DEVICE_ID_BROADCOM_43430 0xa9a6
#define SDIO_DEVICE_ID_BROADCOM_4345 0x4345
-#define SDIO_DEVICE_ID_BROADCOM_43455 0xa9bf
#define SDIO_DEVICE_ID_BROADCOM_4354 0x4354
+#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_89359 0x4355
#define SDIO_DEVICE_ID_BROADCOM_4356 0x4356
#define SDIO_DEVICE_ID_BROADCOM_4359 0x4359
-#define SDIO_DEVICE_ID_CYPRESS_4373 0x4373
-#define SDIO_DEVICE_ID_CYPRESS_43012 43012
-#define SDIO_DEVICE_ID_CYPRESS_89359 0x4355
-
-#define SDIO_VENDOR_ID_INTEL 0x0089
-#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402
-#define SDIO_DEVICE_ID_INTEL_IWMC3200WIFI 0x1403
-#define SDIO_DEVICE_ID_INTEL_IWMC3200TOP 0x1404
-#define SDIO_DEVICE_ID_INTEL_IWMC3200GPS 0x1405
-#define SDIO_DEVICE_ID_INTEL_IWMC3200BT 0x1406
-#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX_2G5 0x1407
+#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373 0x4373
+#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012 0xa804
+#define SDIO_DEVICE_ID_BROADCOM_43143 0xa887
+#define SDIO_DEVICE_ID_BROADCOM_43340 0xa94c
+#define SDIO_DEVICE_ID_BROADCOM_43341 0xa94d
+#define SDIO_DEVICE_ID_BROADCOM_43362 0xa962
+#define SDIO_DEVICE_ID_BROADCOM_43364 0xa9a4
+#define SDIO_DEVICE_ID_BROADCOM_43430 0xa9a6
+#define SDIO_DEVICE_ID_BROADCOM_43455 0xa9bf
#define SDIO_VENDOR_ID_MARVELL 0x02df
#define SDIO_DEVICE_ID_MARVELL_LIBERTAS 0x9103
-#define SDIO_DEVICE_ID_MARVELL_8688WLAN 0x9104
-#define SDIO_DEVICE_ID_MARVELL_8688BT 0x9105
+#define SDIO_DEVICE_ID_MARVELL_8688_WLAN 0x9104
+#define SDIO_DEVICE_ID_MARVELL_8688_BT 0x9105
+#define SDIO_DEVICE_ID_MARVELL_8786_WLAN 0x9116
+#define SDIO_DEVICE_ID_MARVELL_8787_WLAN 0x9119
+#define SDIO_DEVICE_ID_MARVELL_8787_BT 0x911a
+#define SDIO_DEVICE_ID_MARVELL_8787_BT_AMP 0x911b
#define SDIO_DEVICE_ID_MARVELL_8797_F0 0x9128
-#define SDIO_DEVICE_ID_MARVELL_8887WLAN 0x9134
+#define SDIO_DEVICE_ID_MARVELL_8797_WLAN 0x9129
+#define SDIO_DEVICE_ID_MARVELL_8797_BT 0x912a
+#define SDIO_DEVICE_ID_MARVELL_8897_WLAN 0x912d
+#define SDIO_DEVICE_ID_MARVELL_8897_BT 0x912e
+#define SDIO_DEVICE_ID_MARVELL_8887_F0 0x9134
+#define SDIO_DEVICE_ID_MARVELL_8887_WLAN 0x9135
+#define SDIO_DEVICE_ID_MARVELL_8887_BT 0x9136
+#define SDIO_DEVICE_ID_MARVELL_8801_WLAN 0x9139
+#define SDIO_DEVICE_ID_MARVELL_8997_F0 0x9140
+#define SDIO_DEVICE_ID_MARVELL_8997_WLAN 0x9141
+#define SDIO_DEVICE_ID_MARVELL_8997_BT 0x9142
+#define SDIO_DEVICE_ID_MARVELL_8977_WLAN 0x9145
+#define SDIO_DEVICE_ID_MARVELL_8977_BT 0x9146
+#define SDIO_DEVICE_ID_MARVELL_8987_WLAN 0x9149
+#define SDIO_DEVICE_ID_MARVELL_8987_BT 0x914a
#define SDIO_VENDOR_ID_MEDIATEK 0x037a
+#define SDIO_DEVICE_ID_MEDIATEK_MT7663 0x7663
+#define SDIO_DEVICE_ID_MEDIATEK_MT7668 0x7668
#define SDIO_VENDOR_ID_SIANO 0x039a
#define SDIO_DEVICE_ID_SIANO_NOVA_B0 0x0201
#define SDIO_DEVICE_ID_SIANO_NICE 0x0202
#define SDIO_DEVICE_ID_SIANO_VEGA_A0 0x0300
#define SDIO_DEVICE_ID_SIANO_VENICE 0x0301
+#define SDIO_DEVICE_ID_SIANO_MING 0x0302
+#define SDIO_DEVICE_ID_SIANO_PELE 0x0500
+#define SDIO_DEVICE_ID_SIANO_RIO 0x0600
+#define SDIO_DEVICE_ID_SIANO_DENVER_2160 0x0700
+#define SDIO_DEVICE_ID_SIANO_DENVER_1530 0x0800
#define SDIO_DEVICE_ID_SIANO_NOVA_A0 0x1100
#define SDIO_DEVICE_ID_SIANO_STELLAR 0x5347
-#define SDIO_VENDOR_ID_TI 0x0097
-#define SDIO_DEVICE_ID_TI_WL1271 0x4076
#define SDIO_VENDOR_ID_TI_WL1251 0x104c
#define SDIO_DEVICE_ID_TI_WL1251 0x9066
-#define SDIO_VENDOR_ID_STE 0x0020
-#define SDIO_DEVICE_ID_STE_CW1200 0x2280
-
#endif /* LINUX_MMC_SDIO_IDS_H */
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 1b9de7d220fb..df1f08486d81 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -156,6 +156,9 @@ enum zone_stat_item {
NR_MLOCK, /* mlock()ed pages found and moved off LRU */
NR_PAGETABLE, /* used for pagetables */
NR_KERNEL_STACK_KB, /* measured in KiB */
+#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
+ NR_KERNEL_SCS_KB, /* measured in KiB */
+#endif
/* Second 128 byte cacheline */
NR_BOUNCE,
#if IS_ENABLED(CONFIG_ZSMALLOC)
@@ -193,7 +196,6 @@ enum node_stat_item {
NR_FILE_THPS,
NR_FILE_PMDMAPPED,
NR_ANON_THPS,
- NR_UNSTABLE_NFS, /* NFS unstable pages */
NR_VMSCAN_WRITE,
NR_VMSCAN_IMMEDIATE, /* Prioritise for reclaim when writeback ends */
NR_DIRTIED, /* page dirtyings since bootup */
@@ -240,19 +242,6 @@ static inline bool is_active_lru(enum lru_list lru)
return (lru == LRU_ACTIVE_ANON || lru == LRU_ACTIVE_FILE);
}
-struct zone_reclaim_stat {
- /*
- * The pageout code in vmscan.c keeps track of how many of the
- * mem/swap backed and file backed pages are referenced.
- * The higher the rotated/scanned ratio, the more valuable
- * that cache is.
- *
- * The anon LRU stats live in [0], file LRU stats in [1]
- */
- unsigned long recent_rotated[2];
- unsigned long recent_scanned[2];
-};
-
enum lruvec_flags {
LRUVEC_CONGESTED, /* lruvec has many dirty pages
* backed by a congested BDI
@@ -261,7 +250,13 @@ enum lruvec_flags {
struct lruvec {
struct list_head lists[NR_LRU_LISTS];
- struct zone_reclaim_stat reclaim_stat;
+ /*
+ * These track the cost of reclaiming one LRU - file or anon -
+ * over the other. As the observed cost of reclaiming one LRU
+ * increases, the reclaim scan balance tips toward the other.
+ */
+ unsigned long anon_cost;
+ unsigned long file_cost;
/* Evictions & activations on the inactive file list */
atomic_long_t inactive_age;
/* Refaults at the time of last reclaim cycle */
@@ -678,6 +673,8 @@ typedef struct pglist_data {
/*
* Must be held any time you expect node_start_pfn,
* node_present_pages, node_spanned_pages or nr_zones to stay constant.
+ * Also synchronizes pgdat->first_deferred_pfn during deferred page
+ * init.
*
* pgdat_resize_lock() and pgdat_resize_unlock() are provided to
* manipulate node_size_lock without checking for CONFIG_MEMORY_HOTPLUG
@@ -697,13 +694,13 @@ typedef struct pglist_data {
struct task_struct *kswapd; /* Protected by
mem_hotplug_begin/end() */
int kswapd_order;
- enum zone_type kswapd_classzone_idx;
+ enum zone_type kswapd_highest_zoneidx;
int kswapd_failures; /* Number of 'reclaimed == 0' runs */
#ifdef CONFIG_COMPACTION
int kcompactd_max_order;
- enum zone_type kcompactd_classzone_idx;
+ enum zone_type kcompactd_highest_zoneidx;
wait_queue_head_t kcompactd_wait;
struct task_struct *kcompactd;
#endif
@@ -781,15 +778,15 @@ static inline bool pgdat_is_empty(pg_data_t *pgdat)
void build_all_zonelists(pg_data_t *pgdat);
void wakeup_kswapd(struct zone *zone, gfp_t gfp_mask, int order,
- enum zone_type classzone_idx);
+ enum zone_type highest_zoneidx);
bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
- int classzone_idx, unsigned int alloc_flags,
+ int highest_zoneidx, unsigned int alloc_flags,
long free_pages);
bool zone_watermark_ok(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx,
+ unsigned long mark, int highest_zoneidx,
unsigned int alloc_flags);
bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx);
+ unsigned long mark, int highest_zoneidx);
enum memmap_context {
MEMMAP_EARLY,
MEMMAP_HOTPLUG,
@@ -874,7 +871,7 @@ extern int movable_zone;
#ifdef CONFIG_HIGHMEM
static inline int zone_movable_is_highmem(void)
{
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
+#ifdef CONFIG_NEED_MULTIPLE_NODES
return movable_zone == ZONE_HIGHMEM;
#else
return (ZONE_MOVABLE - 1) == ZONE_HIGHMEM;
@@ -909,24 +906,23 @@ static inline int is_highmem(struct zone *zone)
/* These two functions are used to setup the per zone pages min values */
struct ctl_table;
-int min_free_kbytes_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-int watermark_boost_factor_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-int watermark_scale_factor_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+
+int min_free_kbytes_sysctl_handler(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int watermark_scale_factor_sysctl_handler(struct ctl_table *, int, void *,
+ size_t *, loff_t *);
extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES];
-int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, void *,
+ size_t *, loff_t *);
int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+ void *, size_t *, loff_t *);
int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+ void *, size_t *, loff_t *);
int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-
-extern int numa_zonelist_order_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+ void *, size_t *, loff_t *);
+int numa_zonelist_order_handler(struct ctl_table *, int,
+ void *, size_t *, loff_t *);
+extern int percpu_pagelist_fraction;
extern char numa_zonelist_order[];
#define NUMA_ZONELIST_ORDER_LEN 16
@@ -1078,15 +1074,6 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist,
#include <asm/sparsemem.h>
#endif
-#if !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) && \
- !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP)
-static inline unsigned long early_pfn_to_nid(unsigned long pfn)
-{
- BUILD_BUG_ON(IS_ENABLED(CONFIG_NUMA));
- return 0;
-}
-#endif
-
#ifdef CONFIG_FLATMEM
#define pfn_to_nid(pfn) (0)
#endif
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 35942084cd40..8f882f5881e8 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -6,10 +6,12 @@
struct mnt_namespace;
struct fs_struct;
struct user_namespace;
+struct ns_common;
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct user_namespace *, struct fs_struct *);
extern void put_mnt_ns(struct mnt_namespace *ns);
+extern struct ns_common *from_mnt_ns(struct mnt_namespace *);
extern const struct file_operations proc_mounts_operations;
extern const struct file_operations proc_mountinfo_operations;
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 4c2ddd0941a7..580e554fb6dc 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -434,7 +434,7 @@ struct virtio_device_id {
* For Hyper-V devices we use the device guid as the id.
*/
struct hv_vmbus_device_id {
- uuid_le guid;
+ guid_t guid;
kernel_ulong_t driver_data; /* Data private to the driver */
};
@@ -663,6 +663,7 @@ struct x86_cpu_id {
__u16 vendor;
__u16 family;
__u16 model;
+ __u16 steppings;
__u16 feature; /* bit index */
kernel_ulong_t driver_data;
};
@@ -671,6 +672,7 @@ struct x86_cpu_id {
#define X86_VENDOR_ANY 0xffff
#define X86_FAMILY_ANY 0
#define X86_MODEL_ANY 0
+#define X86_STEPPING_ANY 0
#define X86_FEATURE_ANY 0 /* Same as FPU, you can't test for that */
/*
diff --git a/include/linux/module.h b/include/linux/module.h
index 1ad393e62bef..d849d06e4d44 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -458,6 +458,8 @@ struct module {
void __percpu *percpu;
unsigned int percpu_size;
#endif
+ void *noinstr_text_start;
+ unsigned int noinstr_text_size;
#ifdef CONFIG_TRACEPOINTS
unsigned int num_tracepoints;
@@ -489,6 +491,12 @@ struct module {
unsigned int num_ftrace_callsites;
unsigned long *ftrace_callsites;
#endif
+#ifdef CONFIG_KPROBES
+ void *kprobes_text_start;
+ unsigned int kprobes_text_size;
+ unsigned long *kprobe_blacklist;
+ unsigned int num_kprobe_blacklist;
+#endif
#ifdef CONFIG_LIVEPATCH
bool klp; /* Is this a livepatch module? */
diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h
index ca92aea8a6bd..4fa67a8b2265 100644
--- a/include/linux/moduleloader.h
+++ b/include/linux/moduleloader.h
@@ -29,6 +29,11 @@ void *module_alloc(unsigned long size);
/* Free memory returned from module_alloc. */
void module_memfree(void *module_region);
+/* Determines if the section name is an init section (that is only used during
+ * module loading).
+ */
+bool module_init_section(const char *name);
+
/* Determines if the section name is an exit section (that is only used during
* module unloading)
*/
diff --git a/include/linux/mount.h b/include/linux/mount.h
index bf8cc4108b8f..7edac8c7a9c1 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -50,7 +50,8 @@ struct fs_context;
#define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
- MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
+ MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED | \
+ MNT_CURSOR)
#define MNT_INTERNAL 0x4000
@@ -64,6 +65,7 @@ struct fs_context;
#define MNT_SYNC_UMOUNT 0x2000000
#define MNT_MARKED 0x4000000
#define MNT_UMOUNT 0x8000000
+#define MNT_CURSOR 0x10000000
struct vfsmount {
struct dentry *mnt_root; /* root of the mounted tree */
diff --git a/include/linux/mpage.h b/include/linux/mpage.h
index 001f1fcf9836..f4f5e90a6844 100644
--- a/include/linux/mpage.h
+++ b/include/linux/mpage.h
@@ -13,9 +13,9 @@
#ifdef CONFIG_BLOCK
struct writeback_control;
+struct readahead_control;
-int mpage_readpages(struct address_space *mapping, struct list_head *pages,
- unsigned nr_pages, get_block_t get_block);
+void mpage_readahead(struct readahead_control *, get_block_t get_block);
int mpage_readpage(struct page *page, get_block_t get_block);
int mpage_writepages(struct address_space *mapping,
struct writeback_control *wbc, get_block_t get_block);
diff --git a/include/linux/net.h b/include/linux/net.h
index 6451425e828f..e10f378194a5 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -303,10 +303,6 @@ int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
int flags);
int kernel_getsockname(struct socket *sock, struct sockaddr *addr);
int kernel_getpeername(struct socket *sock, struct sockaddr *addr);
-int kernel_getsockopt(struct socket *sock, int level, int optname, char *optval,
- int *optlen);
-int kernel_setsockopt(struct socket *sock, int level, int optname, char *optval,
- unsigned int optlen);
int kernel_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags);
int kernel_sendpage_locked(struct sock *sk, struct page *page, int offset,
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
index 9d53c5ad272c..2cc3cf80b49a 100644
--- a/include/linux/netdev_features.h
+++ b/include/linux/netdev_features.h
@@ -89,7 +89,7 @@ enum {
* Add your fresh new feature above and remember to update
* netdev_features_strings[] in net/core/ethtool.c and maybe
* some feature mask #defines below. Please also describe it
- * in Documentation/networking/netdev-features.txt.
+ * in Documentation/networking/netdev-features.rst.
*/
/**/NETDEV_FEATURE_COUNT
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 130a668049ab..1a96e9c4ec36 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -53,6 +53,7 @@ struct netpoll_info;
struct device;
struct phy_device;
struct dsa_port;
+struct ip_tunnel_parm;
struct macsec_context;
struct macsec_ops;
@@ -288,6 +289,7 @@ enum netdev_state_t {
__LINK_STATE_NOCARRIER,
__LINK_STATE_LINKWATCH_PENDING,
__LINK_STATE_DORMANT,
+ __LINK_STATE_TESTING,
};
@@ -328,6 +330,7 @@ struct napi_struct {
unsigned long state;
int weight;
+ int defer_hard_irqs_count;
unsigned long gro_bitmask;
int (*poll)(struct napi_struct *, int);
#ifdef CONFIG_NETPOLL
@@ -1146,6 +1149,12 @@ struct netdev_net_notifier {
* int (*ndo_del_slave)(struct net_device *dev, struct net_device *slave_dev);
* Called to release previously enslaved netdev.
*
+ * struct net_device *(*ndo_get_xmit_slave)(struct net_device *dev,
+ * struct sk_buff *skb,
+ * bool all_slaves);
+ * Get the xmit slave of master device. If all_slaves is true, function
+ * assume all the slaves can transmit.
+ *
* Feature/offload setting functions.
* netdev_features_t (*ndo_fix_features)(struct net_device *dev,
* netdev_features_t features);
@@ -1266,6 +1275,9 @@ struct netdev_net_notifier {
* Get devlink port instance associated with a given netdev.
* Called with a reference on the netdevice and devlink locks only,
* rtnl_lock is not held.
+ * int (*ndo_tunnel_ctl)(struct net_device *dev, struct ip_tunnel_parm *p,
+ * int cmd);
+ * Add, change, delete or get information on an IPv4 tunnel.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1389,6 +1401,9 @@ struct net_device_ops {
struct netlink_ext_ack *extack);
int (*ndo_del_slave)(struct net_device *dev,
struct net_device *slave_dev);
+ struct net_device* (*ndo_get_xmit_slave)(struct net_device *dev,
+ struct sk_buff *skb,
+ bool all_slaves);
netdev_features_t (*ndo_fix_features)(struct net_device *dev,
netdev_features_t features);
int (*ndo_set_features)(struct net_device *dev,
@@ -1468,6 +1483,8 @@ struct net_device_ops {
int (*ndo_xsk_wakeup)(struct net_device *dev,
u32 queue_id, u32 flags);
struct devlink_port * (*ndo_get_devlink_port)(struct net_device *dev);
+ int (*ndo_tunnel_ctl)(struct net_device *dev,
+ struct ip_tunnel_parm *p, int cmd);
};
/**
@@ -1803,13 +1820,11 @@ enum netdev_priv_flags {
* @phydev: Physical device may attach itself
* for hardware timestamping
* @sfp_bus: attached &struct sfp_bus structure.
- * @qdisc_tx_busylock_key: lockdep class annotating Qdisc->busylock
- * spinlock
- * @qdisc_running_key: lockdep class annotating Qdisc->running seqcount
- * @qdisc_xmit_lock_key: lockdep class annotating
- * netdev_queue->_xmit_lock spinlock
+ *
* @addr_list_lock_key: lockdep class annotating
* net_device->addr_list_lock spinlock
+ * @qdisc_tx_busylock: lockdep class annotating Qdisc->busylock spinlock
+ * @qdisc_running_key: lockdep class annotating Qdisc->running seqcount
*
* @proto_down: protocol port state information can be sent to the
* switch driver and used to set the phys state of the
@@ -1994,6 +2009,7 @@ struct net_device {
struct bpf_prog __rcu *xdp_prog;
unsigned long gro_flush_timeout;
+ int napi_defer_hard_irqs;
rx_handler_func_t __rcu *rx_handler;
void __rcu *rx_handler_data;
@@ -2109,10 +2125,9 @@ struct net_device {
#endif
struct phy_device *phydev;
struct sfp_bus *sfp_bus;
- struct lock_class_key qdisc_tx_busylock_key;
- struct lock_class_key qdisc_running_key;
- struct lock_class_key qdisc_xmit_lock_key;
struct lock_class_key addr_list_lock_key;
+ struct lock_class_key *qdisc_tx_busylock;
+ struct lock_class_key *qdisc_running_key;
bool proto_down;
unsigned wol_enabled:1;
@@ -2197,6 +2212,20 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev,
f(dev, &dev->_tx[i], arg);
}
+#define netdev_lockdep_set_classes(dev) \
+{ \
+ static struct lock_class_key qdisc_tx_busylock_key; \
+ static struct lock_class_key qdisc_running_key; \
+ static struct lock_class_key qdisc_xmit_lock_key; \
+ unsigned int i; \
+ \
+ (dev)->qdisc_tx_busylock = &qdisc_tx_busylock_key; \
+ (dev)->qdisc_running_key = &qdisc_running_key; \
+ for (i = 0; i < (dev)->num_tx_queues; i++) \
+ lockdep_set_class(&(dev)->_tx[i]._xmit_lock, \
+ &qdisc_xmit_lock_key); \
+}
+
u16 netdev_pick_tx(struct net_device *dev, struct sk_buff *skb,
struct net_device *sb_dev);
struct netdev_queue *netdev_core_pick_tx(struct net_device *dev,
@@ -2731,6 +2760,9 @@ void netdev_freemem(struct net_device *dev);
void synchronize_net(void);
int init_dummy_netdev(struct net_device *dev);
+struct net_device *netdev_get_xmit_slave(struct net_device *dev,
+ struct sk_buff *skb,
+ bool all_slaves);
struct net_device *dev_get_by_index(struct net *net, int ifindex);
struct net_device *__dev_get_by_index(struct net *net, int ifindex);
struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);
@@ -3908,6 +3940,46 @@ static inline bool netif_dormant(const struct net_device *dev)
/**
+ * netif_testing_on - mark device as under test.
+ * @dev: network device
+ *
+ * Mark device as under test (as per RFC2863).
+ *
+ * The testing state indicates that some test(s) must be performed on
+ * the interface. After completion, of the test, the interface state
+ * will change to up, dormant, or down, as appropriate.
+ */
+static inline void netif_testing_on(struct net_device *dev)
+{
+ if (!test_and_set_bit(__LINK_STATE_TESTING, &dev->state))
+ linkwatch_fire_event(dev);
+}
+
+/**
+ * netif_testing_off - set device as not under test.
+ * @dev: network device
+ *
+ * Device is not in testing state.
+ */
+static inline void netif_testing_off(struct net_device *dev)
+{
+ if (test_and_clear_bit(__LINK_STATE_TESTING, &dev->state))
+ linkwatch_fire_event(dev);
+}
+
+/**
+ * netif_testing - test if device is under test
+ * @dev: network device
+ *
+ * Check if device is under test
+ */
+static inline bool netif_testing(const struct net_device *dev)
+{
+ return test_bit(__LINK_STATE_TESTING, &dev->state);
+}
+
+
+/**
* netif_oper_up - test if device is operational
* @dev: network device
*
@@ -4208,6 +4280,8 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
int register_netdev(struct net_device *dev);
void unregister_netdev(struct net_device *dev);
+int devm_register_netdev(struct device *dev, struct net_device *ndev);
+
/* General hardware address lists handling functions */
int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
struct netdev_hw_addr_list *from_list, int addr_len);
diff --git a/include/linux/netfilter/nf_conntrack_pptp.h b/include/linux/netfilter/nf_conntrack_pptp.h
index fcc409de31a4..a28aa289afdc 100644
--- a/include/linux/netfilter/nf_conntrack_pptp.h
+++ b/include/linux/netfilter/nf_conntrack_pptp.h
@@ -10,7 +10,7 @@
#include <net/netfilter/nf_conntrack_expect.h>
#include <uapi/linux/netfilter/nf_conntrack_tuple_common.h>
-extern const char *const pptp_msg_name[];
+const char *pptp_msg_name(u_int16_t msg);
/* state of the control session */
enum pptp_ctrlsess_state {
diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h
index 676f1ff161a9..f47af135bd56 100644
--- a/include/linux/netpoll.h
+++ b/include/linux/netpoll.h
@@ -63,15 +63,7 @@ int netpoll_setup(struct netpoll *np);
void __netpoll_cleanup(struct netpoll *np);
void __netpoll_free(struct netpoll *np);
void netpoll_cleanup(struct netpoll *np);
-void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
- struct net_device *dev);
-static inline void netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
-{
- unsigned long flags;
- local_irq_save(flags);
- netpoll_send_skb_on_dev(np, skb, np->dev);
- local_irq_restore(flags);
-}
+netdev_tx_t netpoll_send_skb(struct netpoll *np, struct sk_buff *skb);
#ifdef CONFIG_NETPOLL
static inline void *netpoll_poll_lock(struct napi_struct *napi)
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 440230488025..e5f3e7d8d3d5 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1317,11 +1317,13 @@ struct nfs41_impl_id {
struct nfstime4 date;
};
+#define MAX_BIND_CONN_TO_SESSION_RETRIES 3
struct nfs41_bind_conn_to_session_args {
struct nfs_client *client;
struct nfs4_sessionid sessionid;
u32 dir;
bool use_conn_in_rdma_mode;
+ int retries;
};
struct nfs41_bind_conn_to_session_res {
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 9003e29cde46..750c7f395ca9 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -202,16 +202,11 @@ static inline void watchdog_update_hrtimer_threshold(u64 period) { }
#endif
struct ctl_table;
-extern int proc_watchdog(struct ctl_table *, int ,
- void __user *, size_t *, loff_t *);
-extern int proc_nmi_watchdog(struct ctl_table *, int ,
- void __user *, size_t *, loff_t *);
-extern int proc_soft_watchdog(struct ctl_table *, int ,
- void __user *, size_t *, loff_t *);
-extern int proc_watchdog_thresh(struct ctl_table *, int ,
- void __user *, size_t *, loff_t *);
-extern int proc_watchdog_cpumask(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+int proc_watchdog(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_nmi_watchdog(struct ctl_table *, int , void *, size_t *, loff_t *);
+int proc_soft_watchdog(struct ctl_table *, int , void *, size_t *, loff_t *);
+int proc_watchdog_thresh(struct ctl_table *, int , void *, size_t *, loff_t *);
+int proc_watchdog_cpumask(struct ctl_table *, int, void *, size_t *, loff_t *);
#ifdef CONFIG_HAVE_ACPI_APEI_NMI
#include <asm/nmi.h>
diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h
index 074f395b9ad2..cdb171efc7cb 100644
--- a/include/linux/nsproxy.h
+++ b/include/linux/nsproxy.h
@@ -42,6 +42,30 @@ struct nsproxy {
extern struct nsproxy init_nsproxy;
/*
+ * A structure to encompass all bits needed to install
+ * a partial or complete new set of namespaces.
+ *
+ * If a new user namespace is requested cred will
+ * point to a modifiable set of credentials. If a pointer
+ * to a modifiable set is needed nsset_cred() must be
+ * used and tested.
+ */
+struct nsset {
+ unsigned flags;
+ struct nsproxy *nsproxy;
+ struct fs_struct *fs;
+ const struct cred *cred;
+};
+
+static inline struct cred *nsset_cred(struct nsset *set)
+{
+ if (set->flags & CLONE_NEWUSER)
+ return (struct cred *)set->cred;
+
+ return NULL;
+}
+
+/*
* the namespaces access rules are:
*
* 1. only current task is allowed to change tsk->nsproxy pointer or
diff --git a/include/linux/nvme-fc-driver.h b/include/linux/nvme-fc-driver.h
index 10f81629b9ce..41e7795a3ee4 100644
--- a/include/linux/nvme-fc-driver.h
+++ b/include/linux/nvme-fc-driver.h
@@ -10,47 +10,26 @@
/*
- * ********************** LLDD FC-NVME Host API ********************
+ * ********************** FC-NVME LS API ********************
*
- * For FC LLDD's that are the NVME Host role.
+ * Data structures used by both FC-NVME hosts and FC-NVME
+ * targets to perform FC-NVME LS requests or transmit
+ * responses.
*
- * ******************************************************************
+ * ***********************************************************
*/
-
-
/**
- * struct nvme_fc_port_info - port-specific ids and FC connection-specific
- * data element used during NVME Host role
- * registrations
- *
- * Static fields describing the port being registered:
- * @node_name: FC WWNN for the port
- * @port_name: FC WWPN for the port
- * @port_role: What NVME roles are supported (see FC_PORT_ROLE_xxx)
- * @dev_loss_tmo: maximum delay for reconnects to an association on
- * this device. Used only on a remoteport.
+ * struct nvmefc_ls_req - Request structure passed from the transport
+ * to the LLDD to perform a NVME-FC LS request and obtain
+ * a response.
+ * Used by nvme-fc transport (host) to send LS's such as
+ * Create Association, Create Connection and Disconnect
+ * Association.
+ * Used by the nvmet-fc transport (controller) to send
+ * LS's such as Disconnect Association.
*
- * Initialization values for dynamic port fields:
- * @port_id: FC N_Port_ID currently assigned the port. Upper 8 bits must
- * be set to 0.
- */
-struct nvme_fc_port_info {
- u64 node_name;
- u64 port_name;
- u32 port_role;
- u32 port_id;
- u32 dev_loss_tmo;
-};
-
-
-/**
- * struct nvmefc_ls_req - Request structure passed from NVME-FC transport
- * to LLDD in order to perform a NVME FC-4 LS
- * request and obtain a response.
- *
- * Values set by the NVME-FC layer prior to calling the LLDD ls_req
- * entrypoint.
+ * Values set by the requestor prior to calling the LLDD ls_req entrypoint:
* @rqstaddr: pointer to request buffer
* @rqstdma: PCI DMA address of request buffer
* @rqstlen: Length, in bytes, of request buffer
@@ -63,8 +42,8 @@ struct nvme_fc_port_info {
* @private: pointer to memory allocated alongside the ls request structure
* that is specifically for the LLDD to use while processing the
* request. The length of the buffer corresponds to the
- * lsrqst_priv_sz value specified in the nvme_fc_port_template
- * supplied by the LLDD.
+ * lsrqst_priv_sz value specified in the xxx_template supplied
+ * by the LLDD.
* @done: The callback routine the LLDD is to invoke upon completion of
* the LS request. req argument is the pointer to the original LS
* request structure. Status argument must be 0 upon success, a
@@ -86,6 +65,101 @@ struct nvmefc_ls_req {
} __aligned(sizeof(u64)); /* alignment for other things alloc'd with */
+/**
+ * struct nvmefc_ls_rsp - Structure passed from the transport to the LLDD
+ * to request the transmit the NVME-FC LS response to a
+ * NVME-FC LS request. The structure originates in the LLDD
+ * and is given to the transport via the xxx_rcv_ls_req()
+ * transport routine. As such, the structure represents the
+ * FC exchange context for the NVME-FC LS request that was
+ * received and which the response is to be sent for.
+ * Used by the LLDD to pass the nvmet-fc transport (controller)
+ * received LS's such as Create Association, Create Connection
+ * and Disconnect Association.
+ * Used by the LLDD to pass the nvme-fc transport (host)
+ * received LS's such as Disconnect Association or Disconnect
+ * Connection.
+ *
+ * The structure is allocated by the LLDD whenever a LS Request is received
+ * from the FC link. The address of the structure is passed to the nvmet-fc
+ * or nvme-fc layer via the xxx_rcv_ls_req() transport routines.
+ *
+ * The address of the structure is to be passed back to the LLDD
+ * when the response is to be transmit. The LLDD will use the address to
+ * map back to the LLDD exchange structure which maintains information such
+ * the remote N_Port that sent the LS as well as any FC exchange context.
+ * Upon completion of the LS response transmit, the LLDD will pass the
+ * address of the structure back to the transport LS rsp done() routine,
+ * allowing the transport release dma resources. Upon completion of
+ * the done() routine, no further access to the structure will be made by
+ * the transport and the LLDD can de-allocate the structure.
+ *
+ * Field initialization:
+ * At the time of the xxx_rcv_ls_req() call, there is no content that
+ * is valid in the structure.
+ *
+ * When the structure is used for the LLDD->xmt_ls_rsp() call, the
+ * transport layer will fully set the fields in order to specify the
+ * response payload buffer and its length as well as the done routine
+ * to be called upon completion of the transmit. The transport layer
+ * will also set a private pointer for its own use in the done routine.
+ *
+ * Values set by the transport layer prior to calling the LLDD xmt_ls_rsp
+ * entrypoint:
+ * @rspbuf: pointer to the LS response buffer
+ * @rspdma: PCI DMA address of the LS response buffer
+ * @rsplen: Length, in bytes, of the LS response buffer
+ * @done: The callback routine the LLDD is to invoke upon completion of
+ * transmitting the LS response. req argument is the pointer to
+ * the original ls request.
+ * @nvme_fc_private: pointer to an internal transport-specific structure
+ * used as part of the transport done() processing. The LLDD is
+ * not to access this pointer.
+ */
+struct nvmefc_ls_rsp {
+ void *rspbuf;
+ dma_addr_t rspdma;
+ u16 rsplen;
+
+ void (*done)(struct nvmefc_ls_rsp *rsp);
+ void *nvme_fc_private; /* LLDD is not to access !! */
+};
+
+
+
+/*
+ * ********************** LLDD FC-NVME Host API ********************
+ *
+ * For FC LLDD's that are the NVME Host role.
+ *
+ * ******************************************************************
+ */
+
+
+/**
+ * struct nvme_fc_port_info - port-specific ids and FC connection-specific
+ * data element used during NVME Host role
+ * registrations
+ *
+ * Static fields describing the port being registered:
+ * @node_name: FC WWNN for the port
+ * @port_name: FC WWPN for the port
+ * @port_role: What NVME roles are supported (see FC_PORT_ROLE_xxx)
+ * @dev_loss_tmo: maximum delay for reconnects to an association on
+ * this device. Used only on a remoteport.
+ *
+ * Initialization values for dynamic port fields:
+ * @port_id: FC N_Port_ID currently assigned the port. Upper 8 bits must
+ * be set to 0.
+ */
+struct nvme_fc_port_info {
+ u64 node_name;
+ u64 port_name;
+ u32 port_role;
+ u32 port_id;
+ u32 dev_loss_tmo;
+};
+
enum nvmefc_fcp_datadir {
NVMEFC_FCP_NODATA, /* payload_length and sg_cnt will be zero */
NVMEFC_FCP_WRITE,
@@ -337,6 +411,21 @@ struct nvme_fc_remote_port {
* indicating an FC transport Aborted status.
* Entrypoint is Mandatory.
*
+ * @xmt_ls_rsp: Called to transmit the response to a FC-NVME FC-4 LS service.
+ * The nvmefc_ls_rsp structure is the same LLDD-supplied exchange
+ * structure specified in the nvme_fc_rcv_ls_req() call made when
+ * the LS request was received. The structure will fully describe
+ * the buffers for the response payload and the dma address of the
+ * payload. The LLDD is to transmit the response (or return a
+ * non-zero errno status), and upon completion of the transmit, call
+ * the "done" routine specified in the nvmefc_ls_rsp structure
+ * (argument to done is the address of the nvmefc_ls_rsp structure
+ * itself). Upon the completion of the done routine, the LLDD shall
+ * consider the LS handling complete and the nvmefc_ls_rsp structure
+ * may be freed/released.
+ * Entrypoint is mandatory if the LLDD calls the nvme_fc_rcv_ls_req()
+ * entrypoint.
+ *
* @max_hw_queues: indicates the maximum number of hw queues the LLDD
* supports for cpu affinitization.
* Value is Mandatory. Must be at least 1.
@@ -371,7 +460,7 @@ struct nvme_fc_remote_port {
* @lsrqst_priv_sz: The LLDD sets this field to the amount of additional
* memory that it would like fc nvme layer to allocate on the LLDD's
* behalf whenever a ls request structure is allocated. The additional
- * memory area solely for the of the LLDD and its location is
+ * memory area is solely for use by the LLDD and its location is
* specified by the ls_request->private pointer.
* Value is Mandatory. Allowed to be zero.
*
@@ -405,6 +494,9 @@ struct nvme_fc_port_template {
struct nvme_fc_remote_port *,
void *hw_queue_handle,
struct nvmefc_fcp_req *);
+ int (*xmt_ls_rsp)(struct nvme_fc_local_port *localport,
+ struct nvme_fc_remote_port *rport,
+ struct nvmefc_ls_rsp *ls_rsp);
u32 max_hw_queues;
u16 max_sgl_segments;
@@ -441,6 +533,34 @@ void nvme_fc_rescan_remoteport(struct nvme_fc_remote_port *remoteport);
int nvme_fc_set_remoteport_devloss(struct nvme_fc_remote_port *remoteport,
u32 dev_loss_tmo);
+/*
+ * Routine called to pass a NVME-FC LS request, received by the lldd,
+ * to the nvme-fc transport.
+ *
+ * If the return value is zero: the LS was successfully accepted by the
+ * transport.
+ * If the return value is non-zero: the transport has not accepted the
+ * LS. The lldd should ABTS-LS the LS.
+ *
+ * Note: if the LLDD receives and ABTS for the LS prior to the transport
+ * calling the ops->xmt_ls_rsp() routine to transmit a response, the LLDD
+ * shall mark the LS as aborted, and when the xmt_ls_rsp() is called: the
+ * response shall not be transmit and the struct nvmefc_ls_rsp() done
+ * routine shall be called. The LLDD may transmit the ABTS response as
+ * soon as the LS was marked or can delay until the xmt_ls_rsp() call is
+ * made.
+ * Note: if an RCV LS was successfully posted to the transport and the
+ * remoteport is then unregistered before xmt_ls_rsp() was called for
+ * the lsrsp structure, the transport will still call xmt_ls_rsp()
+ * afterward to cleanup the outstanding lsrsp structure. The LLDD should
+ * noop the transmission of the rsp and call the lsrsp->done() routine
+ * to allow the lsrsp structure to be released.
+ */
+int nvme_fc_rcv_ls_req(struct nvme_fc_remote_port *remoteport,
+ struct nvmefc_ls_rsp *lsrsp,
+ void *lsreqbuf, u32 lsreqbuf_len);
+
+
/*
* *************** LLDD FC-NVME Target/Subsystem API ***************
@@ -470,55 +590,6 @@ struct nvmet_fc_port_info {
};
-/**
- * struct nvmefc_tgt_ls_req - Structure used between LLDD and NVMET-FC
- * layer to represent the exchange context for
- * a FC-NVME Link Service (LS).
- *
- * The structure is allocated by the LLDD whenever a LS Request is received
- * from the FC link. The address of the structure is passed to the nvmet-fc
- * layer via the nvmet_fc_rcv_ls_req() call. The address of the structure
- * will be passed back to the LLDD when the response is to be transmit.
- * The LLDD is to use the address to map back to the LLDD exchange structure
- * which maintains information such as the targetport the LS was received
- * on, the remote FC NVME initiator that sent the LS, and any FC exchange
- * context. Upon completion of the LS response transmit, the address of the
- * structure will be passed back to the LS rsp done() routine, allowing the
- * nvmet-fc layer to release dma resources. Upon completion of the done()
- * routine, no further access will be made by the nvmet-fc layer and the
- * LLDD can de-allocate the structure.
- *
- * Field initialization:
- * At the time of the nvmet_fc_rcv_ls_req() call, there is no content that
- * is valid in the structure.
- *
- * When the structure is used for the LLDD->xmt_ls_rsp() call, the nvmet-fc
- * layer will fully set the fields in order to specify the response
- * payload buffer and its length as well as the done routine to be called
- * upon compeletion of the transmit. The nvmet-fc layer will also set a
- * private pointer for its own use in the done routine.
- *
- * Values set by the NVMET-FC layer prior to calling the LLDD xmt_ls_rsp
- * entrypoint.
- * @rspbuf: pointer to the LS response buffer
- * @rspdma: PCI DMA address of the LS response buffer
- * @rsplen: Length, in bytes, of the LS response buffer
- * @done: The callback routine the LLDD is to invoke upon completion of
- * transmitting the LS response. req argument is the pointer to
- * the original ls request.
- * @nvmet_fc_private: pointer to an internal NVMET-FC layer structure used
- * as part of the NVMET-FC processing. The LLDD is not to access
- * this pointer.
- */
-struct nvmefc_tgt_ls_req {
- void *rspbuf;
- dma_addr_t rspdma;
- u16 rsplen;
-
- void (*done)(struct nvmefc_tgt_ls_req *req);
- void *nvmet_fc_private; /* LLDD is not to access !! */
-};
-
/* Operations that NVME-FC layer may request the LLDD to perform for FCP */
enum {
NVMET_FCOP_READDATA = 1, /* xmt data to initiator */
@@ -693,17 +764,19 @@ struct nvmet_fc_target_port {
* Entrypoint is Mandatory.
*
* @xmt_ls_rsp: Called to transmit the response to a FC-NVME FC-4 LS service.
- * The nvmefc_tgt_ls_req structure is the same LLDD-supplied exchange
+ * The nvmefc_ls_rsp structure is the same LLDD-supplied exchange
* structure specified in the nvmet_fc_rcv_ls_req() call made when
- * the LS request was received. The structure will fully describe
+ * the LS request was received. The structure will fully describe
* the buffers for the response payload and the dma address of the
- * payload. The LLDD is to transmit the response (or return a non-zero
- * errno status), and upon completion of the transmit, call the
- * "done" routine specified in the nvmefc_tgt_ls_req structure
- * (argument to done is the ls reqwuest structure itself).
- * After calling the done routine, the LLDD shall consider the
- * LS handling complete and the nvmefc_tgt_ls_req structure may
- * be freed/released.
+ * payload. The LLDD is to transmit the response (or return a
+ * non-zero errno status), and upon completion of the transmit, call
+ * the "done" routine specified in the nvmefc_ls_rsp structure
+ * (argument to done is the address of the nvmefc_ls_rsp structure
+ * itself). Upon the completion of the done() routine, the LLDD shall
+ * consider the LS handling complete and the nvmefc_ls_rsp structure
+ * may be freed/released.
+ * The transport will always call the xmt_ls_rsp() routine for any
+ * LS received.
* Entrypoint is Mandatory.
*
* @fcp_op: Called to perform a data transfer or transmit a response.
@@ -798,6 +871,39 @@ struct nvmet_fc_target_port {
* should cause the initiator to rescan the discovery controller
* on the targetport.
*
+ * @ls_req: Called to issue a FC-NVME FC-4 LS service request.
+ * The nvme_fc_ls_req structure will fully describe the buffers for
+ * the request payload and where to place the response payload.
+ * The targetport that is to issue the LS request is identified by
+ * the targetport argument. The remote port that is to receive the
+ * LS request is identified by the hosthandle argument. The nvmet-fc
+ * transport is only allowed to issue FC-NVME LS's on behalf of an
+ * association that was created prior by a Create Association LS.
+ * The hosthandle will originate from the LLDD in the struct
+ * nvmefc_ls_rsp structure for the Create Association LS that
+ * was delivered to the transport. The transport will save the
+ * hosthandle as an attribute of the association. If the LLDD
+ * loses connectivity with the remote port, it must call the
+ * nvmet_fc_invalidate_host() routine to remove any references to
+ * the remote port in the transport.
+ * The LLDD is to allocate an exchange, issue the LS request, obtain
+ * the LS response, and call the "done" routine specified in the
+ * request structure (argument to done is the ls request structure
+ * itself).
+ * Entrypoint is Optional - but highly recommended.
+ *
+ * @ls_abort: called to request the LLDD to abort the indicated ls request.
+ * The call may return before the abort has completed. After aborting
+ * the request, the LLDD must still call the ls request done routine
+ * indicating an FC transport Aborted status.
+ * Entrypoint is Mandatory if the ls_req entry point is specified.
+ *
+ * @host_release: called to inform the LLDD that the request to invalidate
+ * the host port indicated by the hosthandle has been fully completed.
+ * No associations exist with the host port and there will be no
+ * further references to hosthandle.
+ * Entrypoint is Mandatory if the lldd calls nvmet_fc_invalidate_host().
+ *
* @max_hw_queues: indicates the maximum number of hw queues the LLDD
* supports for cpu affinitization.
* Value is Mandatory. Must be at least 1.
@@ -826,11 +932,19 @@ struct nvmet_fc_target_port {
* area solely for the of the LLDD and its location is specified by
* the targetport->private pointer.
* Value is Mandatory. Allowed to be zero.
+ *
+ * @lsrqst_priv_sz: The LLDD sets this field to the amount of additional
+ * memory that it would like nvmet-fc layer to allocate on the LLDD's
+ * behalf whenever a ls request structure is allocated. The additional
+ * memory area is solely for use by the LLDD and its location is
+ * specified by the ls_request->private pointer.
+ * Value is Mandatory. Allowed to be zero.
+ *
*/
struct nvmet_fc_target_template {
void (*targetport_delete)(struct nvmet_fc_target_port *tgtport);
int (*xmt_ls_rsp)(struct nvmet_fc_target_port *tgtport,
- struct nvmefc_tgt_ls_req *tls_req);
+ struct nvmefc_ls_rsp *ls_rsp);
int (*fcp_op)(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *fcpreq);
void (*fcp_abort)(struct nvmet_fc_target_port *tgtport,
@@ -840,6 +954,11 @@ struct nvmet_fc_target_template {
void (*defer_rcv)(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *fcpreq);
void (*discovery_event)(struct nvmet_fc_target_port *tgtport);
+ int (*ls_req)(struct nvmet_fc_target_port *targetport,
+ void *hosthandle, struct nvmefc_ls_req *lsreq);
+ void (*ls_abort)(struct nvmet_fc_target_port *targetport,
+ void *hosthandle, struct nvmefc_ls_req *lsreq);
+ void (*host_release)(void *hosthandle);
u32 max_hw_queues;
u16 max_sgl_segments;
@@ -848,7 +967,9 @@ struct nvmet_fc_target_template {
u32 target_features;
+ /* sizes of additional private data for data structures */
u32 target_priv_sz;
+ u32 lsrqst_priv_sz;
};
@@ -859,10 +980,61 @@ int nvmet_fc_register_targetport(struct nvmet_fc_port_info *portinfo,
int nvmet_fc_unregister_targetport(struct nvmet_fc_target_port *tgtport);
+/*
+ * Routine called to pass a NVME-FC LS request, received by the lldd,
+ * to the nvmet-fc transport.
+ *
+ * If the return value is zero: the LS was successfully accepted by the
+ * transport.
+ * If the return value is non-zero: the transport has not accepted the
+ * LS. The lldd should ABTS-LS the LS.
+ *
+ * Note: if the LLDD receives and ABTS for the LS prior to the transport
+ * calling the ops->xmt_ls_rsp() routine to transmit a response, the LLDD
+ * shall mark the LS as aborted, and when the xmt_ls_rsp() is called: the
+ * response shall not be transmit and the struct nvmefc_ls_rsp() done
+ * routine shall be called. The LLDD may transmit the ABTS response as
+ * soon as the LS was marked or can delay until the xmt_ls_rsp() call is
+ * made.
+ * Note: if an RCV LS was successfully posted to the transport and the
+ * targetport is then unregistered before xmt_ls_rsp() was called for
+ * the lsrsp structure, the transport will still call xmt_ls_rsp()
+ * afterward to cleanup the outstanding lsrsp structure. The LLDD should
+ * noop the transmission of the rsp and call the lsrsp->done() routine
+ * to allow the lsrsp structure to be released.
+ */
int nvmet_fc_rcv_ls_req(struct nvmet_fc_target_port *tgtport,
- struct nvmefc_tgt_ls_req *lsreq,
+ void *hosthandle,
+ struct nvmefc_ls_rsp *rsp,
void *lsreqbuf, u32 lsreqbuf_len);
+/*
+ * Routine called by the LLDD whenever it has a logout or loss of
+ * connectivity to a NVME-FC host port which there had been active
+ * NVMe controllers for. The host port is indicated by the
+ * hosthandle. The hosthandle is given to the nvmet-fc transport
+ * when a NVME LS was received, typically to create a new association.
+ * The nvmet-fc transport will cache the hostport value with the
+ * association for use in LS requests for the association.
+ * When the LLDD calls this routine, the nvmet-fc transport will
+ * immediately terminate all associations that were created with
+ * the hosthandle host port.
+ * The LLDD, after calling this routine and having control returned,
+ * must assume the transport may subsequently utilize hosthandle as
+ * part of sending LS's to terminate the association. The LLDD
+ * should reject the LS's if they are attempted.
+ * Once the last association has terminated for the hosthandle host
+ * port, the nvmet-fc transport will call the ops->host_release()
+ * callback. As of the callback, the nvmet-fc transport will no
+ * longer reference hosthandle.
+ */
+void nvmet_fc_invalidate_host(struct nvmet_fc_target_port *tgtport,
+ void *hosthandle);
+
+/*
+ * If nvmet_fc_rcv_fcp_req returns non-zero, the transport has not accepted
+ * the FCP cmd. The lldd should ABTS-LS the cmd.
+ */
int nvmet_fc_rcv_fcp_req(struct nvmet_fc_target_port *tgtport,
struct nvmefc_tgt_fcp_req *fcpreq,
void *cmdiubuf, u32 cmdiubuf_len);
diff --git a/include/linux/nvme-fc.h b/include/linux/nvme-fc.h
index e8c30b39bb27..51fe44e0328b 100644
--- a/include/linux/nvme-fc.h
+++ b/include/linux/nvme-fc.h
@@ -4,8 +4,8 @@
*/
/*
- * This file contains definitions relative to FC-NVME-2 r1.06
- * (T11-2019-00210-v001).
+ * This file contains definitions relative to FC-NVME-2 r1.08
+ * (T11-2019-00210-v004).
*/
#ifndef _NVME_FC_H
@@ -81,7 +81,8 @@ struct nvme_fc_ersp_iu {
};
-#define FCNVME_NVME_SR_OPCODE 0x01
+#define FCNVME_NVME_SR_OPCODE 0x01
+#define FCNVME_NVME_SR_RSP_OPCODE 0x02
struct nvme_fc_nvme_sr_iu {
__u8 fc_id;
@@ -94,7 +95,7 @@ struct nvme_fc_nvme_sr_iu {
enum {
FCNVME_SRSTAT_ACC = 0x0,
- FCNVME_SRSTAT_INV_FCID = 0x1,
+ /* reserved 0x1 */
/* reserved 0x2 */
FCNVME_SRSTAT_LOGICAL_ERR = 0x3,
FCNVME_SRSTAT_INV_QUALIF = 0x4,
@@ -397,7 +398,7 @@ struct fcnvme_ls_disconnect_conn_rqst {
struct fcnvme_ls_rqst_w0 w0;
__be32 desc_list_len;
struct fcnvme_lsdesc_assoc_id associd;
- struct fcnvme_lsdesc_disconn_cmd connectid;
+ struct fcnvme_lsdesc_conn_id connectid;
};
struct fcnvme_ls_disconnect_conn_acc {
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 3d5189f46cb1..5ce51ab4c50e 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -38,6 +38,8 @@ enum {
NVMF_ADDR_FAMILY_IP6 = 2, /* IP6 */
NVMF_ADDR_FAMILY_IB = 3, /* InfiniBand */
NVMF_ADDR_FAMILY_FC = 4, /* Fibre Channel */
+ NVMF_ADDR_FAMILY_LOOP = 254, /* Reserved for host usage */
+ NVMF_ADDR_FAMILY_MAX,
};
/* Transport Type codes for Discovery Log Page entry TRTYPE field */
@@ -299,6 +301,8 @@ struct nvme_id_ctrl {
};
enum {
+ NVME_CTRL_CMIC_MULTI_CTRL = 1 << 1,
+ NVME_CTRL_CMIC_ANA = 1 << 3,
NVME_CTRL_ONCS_COMPARE = 1 << 0,
NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,
NVME_CTRL_ONCS_DSM = 1 << 2,
@@ -394,8 +398,12 @@ enum {
enum {
NVME_NS_FEAT_THIN = 1 << 0,
+ NVME_NS_FEAT_ATOMICS = 1 << 1,
+ NVME_NS_FEAT_IO_OPT = 1 << 4,
+ NVME_NS_ATTR_RO = 1 << 0,
NVME_NS_FLBAS_LBA_MASK = 0xf,
NVME_NS_FLBAS_META_EXT = 0x10,
+ NVME_NS_NMIC_SHARED = 1 << 0,
NVME_LBAF_RP_BEST = 0,
NVME_LBAF_RP_BETTER = 1,
NVME_LBAF_RP_GOOD = 2,
@@ -412,6 +420,12 @@ enum {
NVME_NS_DPS_PI_TYPE3 = 3,
};
+/* Identify Namespace Metadata Capabilities (MC): */
+enum {
+ NVME_MC_EXTENDED_LBA = (1 << 0),
+ NVME_MC_METADATA_PTR = (1 << 1),
+};
+
struct nvme_ns_id_desc {
__u8 nidt;
__u8 nidl;
@@ -1177,7 +1191,7 @@ struct nvmf_disc_rsp_page_hdr {
__le64 numrec;
__le16 recfmt;
__u8 resv14[1006];
- struct nvmf_disc_rsp_page_entry entries[0];
+ struct nvmf_disc_rsp_page_entry entries[];
};
enum {
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 491a2b7e77c1..0f61a4ac6bcf 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -30,7 +30,9 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
extern int of_phy_register_fixed_link(struct device_node *np);
extern void of_phy_deregister_fixed_link(struct device_node *np);
extern bool of_phy_is_fixed_link(struct device_node *np);
-
+extern int of_mdiobus_phy_device_register(struct mii_bus *mdio,
+ struct phy_device *phy,
+ struct device_node *child, u32 addr);
static inline int of_mdio_parse_addr(struct device *dev,
const struct device_node *np)
@@ -118,6 +120,13 @@ static inline bool of_phy_is_fixed_link(struct device_node *np)
{
return false;
}
+
+static inline int of_mdiobus_phy_device_register(struct mii_bus *mdio,
+ struct phy_device *phy,
+ struct device_node *child, u32 addr)
+{
+ return -ENOSYS;
+}
#endif
diff --git a/include/linux/padata.h b/include/linux/padata.h
index a0d8b41850b2..7302efff5e65 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -4,6 +4,9 @@
*
* Copyright (C) 2008, 2009 secunet Security Networks AG
* Copyright (C) 2008, 2009 Steffen Klassert <steffen.klassert@secunet.com>
+ *
+ * Copyright (c) 2020 Oracle and/or its affiliates.
+ * Author: Daniel Jordan <daniel.m.jordan@oracle.com>
*/
#ifndef PADATA_H
@@ -24,7 +27,6 @@
* @list: List entry, to attach to the padata lists.
* @pd: Pointer to the internal control structure.
* @cb_cpu: Callback cpu for serializatioon.
- * @cpu: Cpu for parallelization.
* @seq_nr: Sequence number of the parallelized data object.
* @info: Used to pass information from the parallel to the serial function.
* @parallel: Parallel execution function.
@@ -34,7 +36,6 @@ struct padata_priv {
struct list_head list;
struct parallel_data *pd;
int cb_cpu;
- int cpu;
unsigned int seq_nr;
int info;
void (*parallel)(struct padata_priv *padata);
@@ -68,15 +69,11 @@ struct padata_serial_queue {
/**
* struct padata_parallel_queue - The percpu padata parallel queue
*
- * @parallel: List to wait for parallelization.
* @reorder: List to wait for reordering after parallel processing.
- * @work: work struct for parallelization.
* @num_obj: Number of objects that are processed by this cpu.
*/
struct padata_parallel_queue {
- struct padata_list parallel;
struct padata_list reorder;
- struct work_struct work;
atomic_t num_obj;
};
@@ -111,7 +108,7 @@ struct parallel_data {
struct padata_parallel_queue __percpu *pqueue;
struct padata_serial_queue __percpu *squeue;
atomic_t refcnt;
- atomic_t seq_nr;
+ unsigned int seq_nr;
unsigned int processed;
int cpu;
struct padata_cpumask cpumask;
@@ -137,9 +134,35 @@ struct padata_shell {
};
/**
+ * struct padata_mt_job - represents one multithreaded job
+ *
+ * @thread_fn: Called for each chunk of work that a padata thread does.
+ * @fn_arg: The thread function argument.
+ * @start: The start of the job (units are job-specific).
+ * @size: size of this node's work (units are job-specific).
+ * @align: Ranges passed to the thread function fall on this boundary, with the
+ * possible exceptions of the beginning and end of the job.
+ * @min_chunk: The minimum chunk size in job-specific units. This allows
+ * the client to communicate the minimum amount of work that's
+ * appropriate for one worker thread to do at once.
+ * @max_threads: Max threads to use for the job, actual number may be less
+ * depending on task size and minimum chunk size.
+ */
+struct padata_mt_job {
+ void (*thread_fn)(unsigned long start, unsigned long end, void *arg);
+ void *fn_arg;
+ unsigned long start;
+ unsigned long size;
+ unsigned long align;
+ unsigned long min_chunk;
+ int max_threads;
+};
+
+/**
* struct padata_instance - The overall control structure.
*
- * @node: Used by CPU hotplug.
+ * @cpu_online_node: Linkage for CPU online callback.
+ * @cpu_dead_node: Linkage for CPU offline callback.
* @parallel_wq: The workqueue used for parallel work.
* @serial_wq: The workqueue used for serial work.
* @pslist: List of padata_shell objects attached to this instance.
@@ -150,7 +173,8 @@ struct padata_shell {
* @flags: padata flags.
*/
struct padata_instance {
- struct hlist_node node;
+ struct hlist_node cpu_online_node;
+ struct hlist_node cpu_dead_node;
struct workqueue_struct *parallel_wq;
struct workqueue_struct *serial_wq;
struct list_head pslist;
@@ -164,6 +188,12 @@ struct padata_instance {
#define PADATA_INVALID 4
};
+#ifdef CONFIG_PADATA
+extern void __init padata_init(void);
+#else
+static inline void __init padata_init(void) {}
+#endif
+
extern struct padata_instance *padata_alloc_possible(const char *name);
extern void padata_free(struct padata_instance *pinst);
extern struct padata_shell *padata_alloc_shell(struct padata_instance *pinst);
@@ -171,6 +201,7 @@ extern void padata_free_shell(struct padata_shell *ps);
extern int padata_do_parallel(struct padata_shell *ps,
struct padata_priv *padata, int *cb_cpu);
extern void padata_do_serial(struct padata_priv *padata);
+extern void __init padata_do_multithreaded(struct padata_mt_job *job);
extern int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type,
cpumask_var_t cpumask);
extern int padata_start(struct padata_instance *pinst);
diff --git a/include/linux/page_counter.h b/include/linux/page_counter.h
index bab7e57f659b..85bd413e784e 100644
--- a/include/linux/page_counter.h
+++ b/include/linux/page_counter.h
@@ -10,6 +10,7 @@ struct page_counter {
atomic_long_t usage;
unsigned long min;
unsigned long low;
+ unsigned long high;
unsigned long max;
struct page_counter *parent;
@@ -55,6 +56,13 @@ bool page_counter_try_charge(struct page_counter *counter,
void page_counter_uncharge(struct page_counter *counter, unsigned long nr_pages);
void page_counter_set_min(struct page_counter *counter, unsigned long nr_pages);
void page_counter_set_low(struct page_counter *counter, unsigned long nr_pages);
+
+static inline void page_counter_set_high(struct page_counter *counter,
+ unsigned long nr_pages)
+{
+ WRITE_ONCE(counter->high, nr_pages);
+}
+
int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages);
int page_counter_memparse(const char *buf, const char *max,
unsigned long *nr_pages);
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h
index a8f7bd8ea1c6..8e085713150c 100644
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
@@ -51,7 +51,10 @@ static inline void mapping_set_error(struct address_space *mapping, int error)
return;
/* Record in wb_err for checkers using errseq_t based tracking */
- filemap_set_wb_err(mapping, error);
+ __filemap_set_wb_err(mapping, error);
+
+ /* Record it in superblock */
+ errseq_set(&mapping->host->i_sb->s_wb_err, error);
/* Record it in flags for now, for legacy callers */
if (error == -ENOSPC)
@@ -205,6 +208,43 @@ static inline int page_cache_add_speculative(struct page *page, int count)
return __page_cache_add_speculative(page, count);
}
+/**
+ * attach_page_private - Attach private data to a page.
+ * @page: Page to attach data to.
+ * @data: Data to attach to page.
+ *
+ * Attaching private data to a page increments the page's reference count.
+ * The data must be detached before the page will be freed.
+ */
+static inline void attach_page_private(struct page *page, void *data)
+{
+ get_page(page);
+ set_page_private(page, (unsigned long)data);
+ SetPagePrivate(page);
+}
+
+/**
+ * detach_page_private - Detach private data from a page.
+ * @page: Page to detach data from.
+ *
+ * Removes the data that was previously attached to the page and decrements
+ * the refcount on the page.
+ *
+ * Return: Data that was attached to the page.
+ */
+static inline void *detach_page_private(struct page *page)
+{
+ void *data = (void *)page_private(page);
+
+ if (!PagePrivate(page))
+ return NULL;
+ ClearPagePrivate(page);
+ set_page_private(page, 0);
+ put_page(page);
+
+ return data;
+}
+
#ifdef CONFIG_NUMA
extern struct page *__page_cache_alloc(gfp_t gfp);
#else
@@ -615,6 +655,17 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask);
void delete_from_page_cache_batch(struct address_space *mapping,
struct pagevec *pvec);
+#define VM_READAHEAD_PAGES (SZ_128K / PAGE_SIZE)
+
+void page_cache_sync_readahead(struct address_space *, struct file_ra_state *,
+ struct file *, pgoff_t index, unsigned long req_count);
+void page_cache_async_readahead(struct address_space *, struct file_ra_state *,
+ struct file *, struct page *, pgoff_t index,
+ unsigned long req_count);
+void page_cache_readahead_unbounded(struct address_space *, struct file *,
+ pgoff_t index, unsigned long nr_to_read,
+ unsigned long lookahead_count);
+
/*
* Like add_to_page_cache_locked, but used to add newly allocated pages:
* the page is new, so we can just run __SetPageLocked() against it.
@@ -631,6 +682,146 @@ static inline int add_to_page_cache(struct page *page,
return error;
}
+/**
+ * struct readahead_control - Describes a readahead request.
+ *
+ * A readahead request is for consecutive pages. Filesystems which
+ * implement the ->readahead method should call readahead_page() or
+ * readahead_page_batch() in a loop and attempt to start I/O against
+ * each page in the request.
+ *
+ * Most of the fields in this struct are private and should be accessed
+ * by the functions below.
+ *
+ * @file: The file, used primarily by network filesystems for authentication.
+ * May be NULL if invoked internally by the filesystem.
+ * @mapping: Readahead this filesystem object.
+ */
+struct readahead_control {
+ struct file *file;
+ struct address_space *mapping;
+/* private: use the readahead_* accessors instead */
+ pgoff_t _index;
+ unsigned int _nr_pages;
+ unsigned int _batch_count;
+};
+
+/**
+ * readahead_page - Get the next page to read.
+ * @rac: The current readahead request.
+ *
+ * Context: The page is locked and has an elevated refcount. The caller
+ * should decreases the refcount once the page has been submitted for I/O
+ * and unlock the page once all I/O to that page has completed.
+ * Return: A pointer to the next page, or %NULL if we are done.
+ */
+static inline struct page *readahead_page(struct readahead_control *rac)
+{
+ struct page *page;
+
+ BUG_ON(rac->_batch_count > rac->_nr_pages);
+ rac->_nr_pages -= rac->_batch_count;
+ rac->_index += rac->_batch_count;
+
+ if (!rac->_nr_pages) {
+ rac->_batch_count = 0;
+ return NULL;
+ }
+
+ page = xa_load(&rac->mapping->i_pages, rac->_index);
+ VM_BUG_ON_PAGE(!PageLocked(page), page);
+ rac->_batch_count = hpage_nr_pages(page);
+
+ return page;
+}
+
+static inline unsigned int __readahead_batch(struct readahead_control *rac,
+ struct page **array, unsigned int array_sz)
+{
+ unsigned int i = 0;
+ XA_STATE(xas, &rac->mapping->i_pages, 0);
+ struct page *page;
+
+ BUG_ON(rac->_batch_count > rac->_nr_pages);
+ rac->_nr_pages -= rac->_batch_count;
+ rac->_index += rac->_batch_count;
+ rac->_batch_count = 0;
+
+ xas_set(&xas, rac->_index);
+ rcu_read_lock();
+ xas_for_each(&xas, page, rac->_index + rac->_nr_pages - 1) {
+ VM_BUG_ON_PAGE(!PageLocked(page), page);
+ VM_BUG_ON_PAGE(PageTail(page), page);
+ array[i++] = page;
+ rac->_batch_count += hpage_nr_pages(page);
+
+ /*
+ * The page cache isn't using multi-index entries yet,
+ * so the xas cursor needs to be manually moved to the
+ * next index. This can be removed once the page cache
+ * is converted.
+ */
+ if (PageHead(page))
+ xas_set(&xas, rac->_index + rac->_batch_count);
+
+ if (i == array_sz)
+ break;
+ }
+ rcu_read_unlock();
+
+ return i;
+}
+
+/**
+ * readahead_page_batch - Get a batch of pages to read.
+ * @rac: The current readahead request.
+ * @array: An array of pointers to struct page.
+ *
+ * Context: The pages are locked and have an elevated refcount. The caller
+ * should decreases the refcount once the page has been submitted for I/O
+ * and unlock the page once all I/O to that page has completed.
+ * Return: The number of pages placed in the array. 0 indicates the request
+ * is complete.
+ */
+#define readahead_page_batch(rac, array) \
+ __readahead_batch(rac, array, ARRAY_SIZE(array))
+
+/**
+ * readahead_pos - The byte offset into the file of this readahead request.
+ * @rac: The readahead request.
+ */
+static inline loff_t readahead_pos(struct readahead_control *rac)
+{
+ return (loff_t)rac->_index * PAGE_SIZE;
+}
+
+/**
+ * readahead_length - The number of bytes in this readahead request.
+ * @rac: The readahead request.
+ */
+static inline loff_t readahead_length(struct readahead_control *rac)
+{
+ return (loff_t)rac->_nr_pages * PAGE_SIZE;
+}
+
+/**
+ * readahead_index - The index of the first page in this readahead request.
+ * @rac: The readahead request.
+ */
+static inline pgoff_t readahead_index(struct readahead_control *rac)
+{
+ return rac->_index;
+}
+
+/**
+ * readahead_count - The number of pages in this readahead request.
+ * @rac: The readahead request.
+ */
+static inline unsigned int readahead_count(struct readahead_control *rac)
+{
+ return rac->_nr_pages;
+}
+
static inline unsigned long dir_pages(struct inode *inode)
{
return (unsigned long)(inode->i_size + PAGE_SIZE - 1) >>
diff --git a/include/linux/parser.h b/include/linux/parser.h
index 12fc3482f5fc..89e2b23fb888 100644
--- a/include/linux/parser.h
+++ b/include/linux/parser.h
@@ -7,7 +7,8 @@
* but could potentially be used anywhere else that simple option=arg
* parsing is required.
*/
-
+#ifndef _LINUX_PARSER_H
+#define _LINUX_PARSER_H
/* associates an integer enumerator with a pattern string. */
struct match_token {
@@ -34,3 +35,5 @@ int match_hex(substring_t *, int *result);
bool match_wildcard(const char *pattern, const char *str);
size_t match_strlcpy(char *, const substring_t *, size_t);
char *match_strdup(const substring_t *);
+
+#endif /* _LINUX_PARSER_H */
diff --git a/include/linux/part_stat.h b/include/linux/part_stat.h
index ece607607a86..24125778ef3e 100644
--- a/include/linux/part_stat.h
+++ b/include/linux/part_stat.h
@@ -4,21 +4,25 @@
#include <linux/genhd.h>
+struct disk_stats {
+ u64 nsecs[NR_STAT_GROUPS];
+ unsigned long sectors[NR_STAT_GROUPS];
+ unsigned long ios[NR_STAT_GROUPS];
+ unsigned long merges[NR_STAT_GROUPS];
+ unsigned long io_ticks;
+ local_t in_flight[2];
+};
+
/*
* Macros to operate on percpu disk statistics:
*
- * {disk|part|all}_stat_{add|sub|inc|dec}() modify the stat counters
- * and should be called between disk_stat_lock() and
- * disk_stat_unlock().
+ * {disk|part|all}_stat_{add|sub|inc|dec}() modify the stat counters and should
+ * be called between disk_stat_lock() and disk_stat_unlock().
*
* part_stat_read() can be called at any time.
- *
- * part_stat_{add|set_all}() and {init|free}_part_stats are for
- * internal use only.
*/
-#ifdef CONFIG_SMP
-#define part_stat_lock() ({ rcu_read_lock(); get_cpu(); })
-#define part_stat_unlock() do { put_cpu(); rcu_read_unlock(); } while (0)
+#define part_stat_lock() preempt_disable()
+#define part_stat_unlock() preempt_enable()
#define part_stat_get_cpu(part, field, cpu) \
(per_cpu_ptr((part)->dkstats, (cpu))->field)
@@ -44,50 +48,13 @@ static inline void part_stat_set_all(struct hd_struct *part, int value)
sizeof(struct disk_stats));
}
-static inline int init_part_stats(struct hd_struct *part)
-{
- part->dkstats = alloc_percpu(struct disk_stats);
- if (!part->dkstats)
- return 0;
- return 1;
-}
-
-static inline void free_part_stats(struct hd_struct *part)
-{
- free_percpu(part->dkstats);
-}
-
-#else /* !CONFIG_SMP */
-#define part_stat_lock() ({ rcu_read_lock(); 0; })
-#define part_stat_unlock() rcu_read_unlock()
-
-#define part_stat_get(part, field) ((part)->dkstats.field)
-#define part_stat_get_cpu(part, field, cpu) part_stat_get(part, field)
-#define part_stat_read(part, field) part_stat_get(part, field)
-
-static inline void part_stat_set_all(struct hd_struct *part, int value)
-{
- memset(&part->dkstats, value, sizeof(struct disk_stats));
-}
-
-static inline int init_part_stats(struct hd_struct *part)
-{
- return 1;
-}
-
-static inline void free_part_stats(struct hd_struct *part)
-{
-}
-
-#endif /* CONFIG_SMP */
-
#define part_stat_read_accum(part, field) \
(part_stat_read(part, field[STAT_READ]) + \
part_stat_read(part, field[STAT_WRITE]) + \
part_stat_read(part, field[STAT_DISCARD]))
#define __part_stat_add(part, field, addnd) \
- (part_stat_get(part, field) += (addnd))
+ __this_cpu_add((part)->dkstats->field, addnd)
#define part_stat_add(part, field, addnd) do { \
__part_stat_add((part), field, addnd); \
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9c3e7619c929..b4bb32082342 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -61,7 +61,7 @@ struct perf_guest_info_callbacks {
struct perf_callchain_entry {
__u64 nr;
- __u64 ip[0]; /* /proc/sys/kernel/perf_event_max_stack */
+ __u64 ip[]; /* /proc/sys/kernel/perf_event_max_stack */
};
struct perf_callchain_entry_ctx {
@@ -113,7 +113,7 @@ struct perf_raw_record {
struct perf_branch_stack {
__u64 nr;
__u64 hw_idx;
- struct perf_branch_entry entries[0];
+ struct perf_branch_entry entries[];
};
struct task_struct;
@@ -1280,15 +1280,12 @@ extern int sysctl_perf_cpu_time_max_percent;
extern void perf_sample_event_took(u64 sample_len_ns);
-extern int perf_proc_update_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-
+int perf_proc_update_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
+int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
int perf_event_max_stack_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
/* Access to perf_event_open(2) syscall. */
#define PERF_SECURITY_OPEN 0
@@ -1305,7 +1302,7 @@ static inline int perf_is_paranoid(void)
static inline int perf_allow_kernel(struct perf_event_attr *attr)
{
- if (sysctl_perf_event_paranoid > 1 && !capable(CAP_SYS_ADMIN))
+ if (sysctl_perf_event_paranoid > 1 && !perfmon_capable())
return -EACCES;
return security_perf_event_open(attr, PERF_SECURITY_KERNEL);
@@ -1313,7 +1310,7 @@ static inline int perf_allow_kernel(struct perf_event_attr *attr)
static inline int perf_allow_cpu(struct perf_event_attr *attr)
{
- if (sysctl_perf_event_paranoid > 0 && !capable(CAP_SYS_ADMIN))
+ if (sysctl_perf_event_paranoid > 0 && !perfmon_capable())
return -EACCES;
return security_perf_event_open(attr, PERF_SECURITY_CPU);
@@ -1321,7 +1318,7 @@ static inline int perf_allow_cpu(struct perf_event_attr *attr)
static inline int perf_allow_tracepoint(struct perf_event_attr *attr)
{
- if (sysctl_perf_event_paranoid > -1 && !capable(CAP_SYS_ADMIN))
+ if (sysctl_perf_event_paranoid > -1 && !perfmon_capable())
return -EPERM;
return security_perf_event_open(attr, PERF_SECURITY_TRACEPOINT);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 2432ca463ddc..8c05d0fb5c00 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -15,6 +15,7 @@
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/linkmode.h>
+#include <linux/netlink.h>
#include <linux/mdio.h>
#include <linux/mii.h>
#include <linux/mii_timestamper.h>
@@ -25,6 +26,7 @@
#include <linux/u64_stats_sync.h>
#include <linux/irqreturn.h>
#include <linux/iopoll.h>
+#include <linux/refcount.h>
#include <linux/atomic.h>
@@ -77,6 +79,7 @@ extern const int phy_10gbit_features_array[1];
#define PHY_IS_INTERNAL 0x00000001
#define PHY_RST_AFTER_CLK_EN 0x00000002
+#define PHY_POLL_CABLE_TEST 0x00000004
#define MDIO_DEVICE_IS_PHY 0x80000000
/* Interface Mode definitions */
@@ -206,12 +209,6 @@ static inline const char *phy_modes(phy_interface_t interface)
#define MII_BUS_ID_SIZE 61
-/* Or MII_ADDR_C45 into regnum for read/write on mii_bus to enable the 21 bit
- IEEE 802.3ae clause 45 addressing mode used by 10GIGE phy chips. */
-#define MII_ADDR_C45 (1<<30)
-#define MII_DEVADDR_C45_SHIFT 16
-#define MII_REGADDR_C45_MASK GENMASK(15, 0)
-
struct device;
struct phylink;
struct sfp_bus;
@@ -227,6 +224,28 @@ struct mdio_bus_stats {
struct u64_stats_sync syncp;
};
+/* Represents a shared structure between different phydev's in the same
+ * package, for example a quad PHY. See phy_package_join() and
+ * phy_package_leave().
+ */
+struct phy_package_shared {
+ int addr;
+ refcount_t refcnt;
+ unsigned long flags;
+ size_t priv_size;
+
+ /* private data pointer */
+ /* note that this pointer is shared between different phydevs and
+ * the user has to take care of appropriate locking. It is allocated
+ * and freed automatically by phy_package_join() and
+ * phy_package_leave().
+ */
+ void *priv;
+};
+
+/* used as bit number in atomic bitops */
+#define PHY_SHARED_F_INIT_DONE 0
+
/*
* The Bus class for PHYs. Devices which provide access to
* PHYs should register using this structure
@@ -241,6 +260,9 @@ struct mii_bus {
int (*reset)(struct mii_bus *bus);
struct mdio_bus_stats stats[PHY_MAX_ADDR];
+ unsigned int is_managed:1; /* is device-managed */
+ unsigned int is_managed_registered:1;
+
/*
* A lock to ensure that only one thing can read/write
* the MDIO bus at a time
@@ -275,6 +297,12 @@ struct mii_bus {
int reset_delay_us;
/* RESET GPIO descriptor pointer */
struct gpio_desc *reset_gpiod;
+
+ /* protect access to the shared element */
+ struct mutex shared_lock;
+
+ /* shared state across different PHYs */
+ struct phy_package_shared *shared[PHY_MAX_ADDR];
};
#define to_mii_bus(d) container_of(d, struct mii_bus, dev)
@@ -286,6 +314,20 @@ static inline struct mii_bus *mdiobus_alloc(void)
int __mdiobus_register(struct mii_bus *bus, struct module *owner);
#define mdiobus_register(bus) __mdiobus_register(bus, THIS_MODULE)
+static inline int devm_mdiobus_register(struct mii_bus *bus)
+{
+ int ret;
+
+ if (!bus->is_managed)
+ return -EPERM;
+
+ ret = mdiobus_register(bus);
+ if (!ret)
+ bus->is_managed_registered = 1;
+
+ return ret;
+}
+
void mdiobus_unregister(struct mii_bus *bus);
void mdiobus_free(struct mii_bus *bus);
struct mii_bus *devm_mdiobus_alloc_size(struct device *dev, int sizeof_priv);
@@ -326,6 +368,12 @@ struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr);
* - irq or timer will set NOLINK if link goes down
* - phy_stop moves to HALTED
*
+ * CABLETEST: PHY is performing a cable test. Packet reception/sending
+ * is not expected to work, carrier will be indicated as down. PHY will be
+ * poll once per second, or on interrupt for it current state.
+ * Once complete, move to UP to restart the PHY.
+ * - phy_stop aborts the running test and moves to HALTED
+ *
* HALTED: PHY is up, but no polling or interrupts are done. Or
* PHY is in an error state.
* - phy_start moves to UP
@@ -337,6 +385,7 @@ enum phy_state {
PHY_UP,
PHY_RUNNING,
PHY_NOLINK,
+ PHY_CABLETEST,
};
/**
@@ -431,6 +480,9 @@ struct phy_device {
int duplex;
int pause;
int asym_pause;
+ u8 master_slave_get;
+ u8 master_slave_set;
+ u8 master_slave_state;
/* Union of PHY and Attached devices' supported link modes */
/* See ethtool.h for more info */
@@ -461,6 +513,15 @@ struct phy_device {
/* For use by PHYs to maintain extra state */
void *priv;
+ /* shared data pointer */
+ /* For use by PHYs inside the same package that need a shared state. */
+ struct phy_package_shared *shared;
+
+ /* Reporting cable test results */
+ struct sk_buff *skb;
+ void *ehdr;
+ struct nlattr *nest;
+
/* Interrupt and Polling infrastructure */
struct delayed_work state_queue;
@@ -476,7 +537,7 @@ struct phy_device {
u8 mdix;
u8 mdix_ctrl;
- void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier);
+ void (*phy_link_change)(struct phy_device *phydev, bool up);
void (*adjust_link)(struct net_device *dev);
#if IS_ENABLED(CONFIG_MACSEC)
@@ -487,6 +548,18 @@ struct phy_device {
#define to_phy_device(d) container_of(to_mdio_device(d), \
struct phy_device, mdio)
+/* A structure containing possible configuration parameters
+ * for a TDR cable test. The driver does not need to implement
+ * all the parameters, but should report what is actually used.
+ */
+struct phy_tdr_config {
+ u32 first;
+ u32 last;
+ u32 step;
+ s8 pair;
+};
+#define PHY_PAIR_ALL -1
+
/* struct phy_driver: Driver structure for a particular PHY type
*
* driver_data: static driver data
@@ -636,6 +709,18 @@ struct phy_driver {
int (*module_eeprom)(struct phy_device *dev,
struct ethtool_eeprom *ee, u8 *data);
+ /* Start a cable test */
+ int (*cable_test_start)(struct phy_device *dev);
+
+ /* Start a raw TDR cable test */
+ int (*cable_test_tdr_start)(struct phy_device *dev,
+ const struct phy_tdr_config *config);
+
+ /* Once per second, or on interrupt, request the status of the
+ * test.
+ */
+ int (*cable_test_get_status)(struct phy_device *dev, bool *finished);
+
/* Get statistics from the phy using ethtool */
int (*get_sset_count)(struct phy_device *dev);
void (*get_strings)(struct phy_device *dev, u8 *data);
@@ -649,6 +734,8 @@ struct phy_driver {
struct ethtool_tunable *tuna,
const void *data);
int (*set_loopback)(struct phy_device *dev, bool enable);
+ int (*get_sqi)(struct phy_device *dev);
+ int (*get_sqi_max)(struct phy_device *dev);
};
#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv)
@@ -993,6 +1080,10 @@ static inline bool phy_interrupt_is_valid(struct phy_device *phydev)
*/
static inline bool phy_polling_mode(struct phy_device *phydev)
{
+ if (phydev->state == PHY_CABLETEST)
+ if (phydev->drv->flags & PHY_POLL_CABLE_TEST)
+ return true;
+
return phydev->irq == PHY_POLL;
}
@@ -1174,6 +1265,34 @@ int phy_speed_up(struct phy_device *phydev);
int phy_restart_aneg(struct phy_device *phydev);
int phy_reset_after_clk_enable(struct phy_device *phydev);
+#if IS_ENABLED(CONFIG_PHYLIB)
+int phy_start_cable_test(struct phy_device *phydev,
+ struct netlink_ext_ack *extack);
+int phy_start_cable_test_tdr(struct phy_device *phydev,
+ struct netlink_ext_ack *extack,
+ const struct phy_tdr_config *config);
+#else
+static inline
+int phy_start_cable_test(struct phy_device *phydev,
+ struct netlink_ext_ack *extack)
+{
+ NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support");
+ return -EOPNOTSUPP;
+}
+static inline
+int phy_start_cable_test_tdr(struct phy_device *phydev,
+ struct netlink_ext_ack *extack,
+ const struct phy_tdr_config *config)
+{
+ NL_SET_ERR_MSG(extack, "Kernel not compiled with PHYLIB support");
+ return -EOPNOTSUPP;
+}
+#endif
+
+int phy_cable_test_result(struct phy_device *phydev, u8 pair, u16 result);
+int phy_cable_test_fault_length(struct phy_device *phydev, u8 pair,
+ u16 cm);
+
static inline void phy_device_reset(struct phy_device *phydev, int value)
{
mdio_device_reset(&phydev->mdio, value);
@@ -1234,10 +1353,6 @@ static inline int genphy_config_aneg(struct phy_device *phydev)
return __genphy_config_aneg(phydev, false);
}
-static inline int genphy_no_soft_reset(struct phy_device *phydev)
-{
- return 0;
-}
static inline int genphy_no_ack_interrupt(struct phy_device *phydev)
{
return 0;
@@ -1341,6 +1456,10 @@ int phy_ethtool_get_link_ksettings(struct net_device *ndev,
int phy_ethtool_set_link_ksettings(struct net_device *ndev,
const struct ethtool_link_ksettings *cmd);
int phy_ethtool_nway_reset(struct net_device *ndev);
+int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size);
+void phy_package_leave(struct phy_device *phydev);
+int devm_phy_package_join(struct device *dev, struct phy_device *phydev,
+ int addr, size_t priv_size);
#if IS_ENABLED(CONFIG_PHYLIB)
int __init mdio_bus_init(void);
@@ -1393,6 +1512,58 @@ static inline int phy_ethtool_get_stats(struct phy_device *phydev,
return 0;
}
+static inline int phy_package_read(struct phy_device *phydev, u32 regnum)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return -EIO;
+
+ return mdiobus_read(phydev->mdio.bus, shared->addr, regnum);
+}
+
+static inline int __phy_package_read(struct phy_device *phydev, u32 regnum)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return -EIO;
+
+ return __mdiobus_read(phydev->mdio.bus, shared->addr, regnum);
+}
+
+static inline int phy_package_write(struct phy_device *phydev,
+ u32 regnum, u16 val)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return -EIO;
+
+ return mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val);
+}
+
+static inline int __phy_package_write(struct phy_device *phydev,
+ u32 regnum, u16 val)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return -EIO;
+
+ return __mdiobus_write(phydev->mdio.bus, shared->addr, regnum, val);
+}
+
+static inline bool phy_package_init_once(struct phy_device *phydev)
+{
+ struct phy_package_shared *shared = phydev->shared;
+
+ if (!shared)
+ return false;
+
+ return !test_and_set_bit(PHY_SHARED_F_INIT_DONE, &shared->flags);
+}
+
extern struct bus_type mdio_bus_type;
struct mdio_board_info {
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index 3f8d37ec5503..cc5b452a184e 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -67,6 +67,9 @@ struct phylink_config {
struct device *dev;
enum phylink_op_type type;
bool pcs_poll;
+ bool poll_fixed_state;
+ void (*get_fixed_state)(struct phylink_config *config,
+ struct phylink_link_state *state);
};
/**
@@ -366,9 +369,6 @@ void phylink_destroy(struct phylink *);
int phylink_connect_phy(struct phylink *, struct phy_device *);
int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags);
void phylink_disconnect_phy(struct phylink *);
-int phylink_fixed_state_cb(struct phylink *,
- void (*cb)(struct net_device *dev,
- struct phylink_link_state *));
void phylink_mac_change(struct phylink *, bool up);
diff --git a/include/linux/pid.h b/include/linux/pid.h
index cc896f0fc4e3..93543cbc0e6b 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -108,6 +108,9 @@ extern void transfer_pid(struct task_struct *old, struct task_struct *new,
struct pid_namespace;
extern struct pid_namespace init_pid_ns;
+extern int pid_max;
+extern int pid_max_min, pid_max_max;
+
/*
* look up a PID in the hash table. Must be called with the tasklist_lock
* or rcu_read_lock() held.
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index ae58fad7f1e0..0c31b9461262 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -8,6 +8,7 @@
#define PIPE_BUF_FLAG_ATOMIC 0x02 /* was atomically mapped */
#define PIPE_BUF_FLAG_GIFT 0x04 /* page is a gift */
#define PIPE_BUF_FLAG_PACKET 0x08 /* read() as a packet */
+#define PIPE_BUF_FLAG_CAN_MERGE 0x10 /* can merge buffers */
/**
* struct pipe_buffer - a linux kernel pipe buffer
@@ -69,11 +70,11 @@ struct pipe_inode_info {
* Note on the nesting of these functions:
*
* ->confirm()
- * ->steal()
+ * ->try_steal()
*
- * That is, ->steal() must be called on a confirmed buffer.
- * See below for the meaning of each operation. Also see kerneldoc
- * in fs/pipe.c for the pipe and generic variants of these hooks.
+ * That is, ->try_steal() must be called on a confirmed buffer. See below for
+ * the meaning of each operation. Also see the kerneldoc in fs/pipe.c for the
+ * pipe and generic variants of these hooks.
*/
struct pipe_buf_operations {
/*
@@ -81,7 +82,7 @@ struct pipe_buf_operations {
* and that the contents are good. If the pages in the pipe belong
* to a file system, we may need to wait for IO completion in this
* hook. Returns 0 for good, or a negative error value in case of
- * error.
+ * error. If not present all pages are considered good.
*/
int (*confirm)(struct pipe_inode_info *, struct pipe_buffer *);
@@ -93,13 +94,13 @@ struct pipe_buf_operations {
/*
* Attempt to take ownership of the pipe buffer and its contents.
- * ->steal() returns 0 for success, in which case the contents
- * of the pipe (the buf->page) is locked and now completely owned
- * by the caller. The page may then be transferred to a different
- * mapping, the most often used case is insertion into different
- * file address space cache.
+ * ->try_steal() returns %true for success, in which case the contents
+ * of the pipe (the buf->page) is locked and now completely owned by the
+ * caller. The page may then be transferred to a different mapping, the
+ * most often used case is insertion into different file address space
+ * cache.
*/
- int (*steal)(struct pipe_inode_info *, struct pipe_buffer *);
+ bool (*try_steal)(struct pipe_inode_info *, struct pipe_buffer *);
/*
* Get a reference to the pipe buffer.
@@ -194,18 +195,22 @@ static inline void pipe_buf_release(struct pipe_inode_info *pipe,
static inline int pipe_buf_confirm(struct pipe_inode_info *pipe,
struct pipe_buffer *buf)
{
+ if (!buf->ops->confirm)
+ return 0;
return buf->ops->confirm(pipe, buf);
}
/**
- * pipe_buf_steal - attempt to take ownership of a pipe_buffer
+ * pipe_buf_try_steal - attempt to take ownership of a pipe_buffer
* @pipe: the pipe that the buffer belongs to
* @buf: the buffer to attempt to steal
*/
-static inline int pipe_buf_steal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
+static inline bool pipe_buf_try_steal(struct pipe_inode_info *pipe,
+ struct pipe_buffer *buf)
{
- return buf->ops->steal(pipe, buf);
+ if (!buf->ops->try_steal)
+ return false;
+ return buf->ops->try_steal(pipe, buf);
}
/* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual
@@ -229,11 +234,8 @@ void free_pipe_info(struct pipe_inode_info *);
/* Generic pipe buffer ops functions */
bool generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
-int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
-int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
-int generic_pipe_buf_nosteal(struct pipe_inode_info *, struct pipe_buffer *);
+bool generic_pipe_buf_try_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
-void pipe_buf_mark_unmergeable(struct pipe_buffer *buf);
extern const struct pipe_buf_operations nosteal_pipe_buf_ops;
diff --git a/include/linux/platform_data/ad5761.h b/include/linux/platform_data/ad5761.h
index 02bef5177ff5..69e261e2ca14 100644
--- a/include/linux/platform_data/ad5761.h
+++ b/include/linux/platform_data/ad5761.h
@@ -3,7 +3,7 @@
* AD5721, AD5721R, AD5761, AD5761R, Voltage Output Digital to Analog Converter
*
* Copyright 2016 Qtechnology A/S
- * 2016 Ricardo Ribalda <ricardo.ribalda@gmail.com>
+ * 2016 Ricardo Ribalda <ribalda@kernel.org>
*/
#ifndef __LINUX_PLATFORM_DATA_AD5761_H__
#define __LINUX_PLATFORM_DATA_AD5761_H__
diff --git a/include/linux/platform_data/cros_ec_sensorhub.h b/include/linux/platform_data/cros_ec_sensorhub.h
index c588be843f61..0ecce6aa69d5 100644
--- a/include/linux/platform_data/cros_ec_sensorhub.h
+++ b/include/linux/platform_data/cros_ec_sensorhub.h
@@ -185,6 +185,7 @@ int cros_ec_sensorhub_register_push_data(struct cros_ec_sensorhub *sensorhub,
void cros_ec_sensorhub_unregister_push_data(struct cros_ec_sensorhub *sensorhub,
u8 sensor_num);
+int cros_ec_sensorhub_ring_allocate(struct cros_ec_sensorhub *sensorhub);
int cros_ec_sensorhub_ring_add(struct cros_ec_sensorhub *sensorhub);
void cros_ec_sensorhub_ring_remove(void *arg);
int cros_ec_sensorhub_ring_fifo_enable(struct cros_ec_sensorhub *sensorhub,
diff --git a/include/linux/platform_data/gsc_hwmon.h b/include/linux/platform_data/gsc_hwmon.h
new file mode 100644
index 000000000000..ec1611aff863
--- /dev/null
+++ b/include/linux/platform_data/gsc_hwmon.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _GSC_HWMON_H
+#define _GSC_HWMON_H
+
+enum gsc_hwmon_mode {
+ mode_temperature,
+ mode_voltage,
+ mode_voltage_raw,
+ mode_max,
+};
+
+/**
+ * struct gsc_hwmon_channel - configuration parameters
+ * @reg: I2C register offset
+ * @mode: channel mode
+ * @name: channel name
+ * @mvoffset: voltage offset
+ * @vdiv: voltage divider array (2 resistor values in milli-ohms)
+ */
+struct gsc_hwmon_channel {
+ unsigned int reg;
+ unsigned int mode;
+ const char *name;
+ unsigned int mvoffset;
+ unsigned int vdiv[2];
+};
+
+/**
+ * struct gsc_hwmon_platform_data - platform data for gsc_hwmon driver
+ * @channels: pointer to array of gsc_hwmon_channel structures
+ * describing channels
+ * @nchannels: number of elements in @channels array
+ * @vreference: voltage reference (mV)
+ * @resolution: ADC bit resolution
+ * @fan_base: register base for FAN controller
+ */
+struct gsc_hwmon_platform_data {
+ const struct gsc_hwmon_channel *channels;
+ int nchannels;
+ unsigned int resolution;
+ unsigned int vreference;
+ unsigned int fan_base;
+};
+#endif
diff --git a/include/linux/platform_data/itco_wdt.h b/include/linux/platform_data/itco_wdt.h
index 2ccdce6a4e27..45d860cac2b0 100644
--- a/include/linux/platform_data/itco_wdt.h
+++ b/include/linux/platform_data/itco_wdt.h
@@ -12,13 +12,16 @@
#define ICH_RES_MEM_OFF 2
#define ICH_RES_MEM_GCS_PMC 0
+/**
+ * struct itco_wdt_platform_data - iTCO_wdt platform data
+ * @name: Name of the platform
+ * @version: iTCO version
+ * @no_reboot_use_pmc: Use PMC BXT API to set and clear NO_REBOOT bit
+ */
struct itco_wdt_platform_data {
char name[32];
unsigned int version;
- /* private data to be passed to update_no_reboot_bit API */
- void *no_reboot_priv;
- /* pointer for platform specific no reboot update function */
- int (*update_no_reboot_bit)(void *priv, bool set);
+ bool no_reboot_use_pmc;
};
#endif /* _ITCO_WDT_H_ */
diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h
index 0434f68eda86..cba1184b364c 100644
--- a/include/linux/platform_data/mmc-esdhc-imx.h
+++ b/include/linux/platform_data/mmc-esdhc-imx.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * Copyright 2010 Wolfram Sang <w.sang@pengutronix.de>
+ * Copyright 2010 Wolfram Sang <kernel@pengutronix.de>
*/
#ifndef __ASM_ARCH_IMX_ESDHC_H
diff --git a/include/linux/platform_data/mmc-esdhc-mcf.h b/include/linux/platform_data/mmc-esdhc-mcf.h
new file mode 100644
index 000000000000..85cb786a62fe
--- /dev/null
+++ b/include/linux/platform_data/mmc-esdhc-mcf.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __LINUX_PLATFORM_DATA_MCF_ESDHC_H__
+#define __LINUX_PLATFORM_DATA_MCF_ESDHC_H__
+
+enum cd_types {
+ ESDHC_CD_NONE, /* no CD, neither controller nor gpio */
+ ESDHC_CD_CONTROLLER, /* mmc controller internal CD */
+ ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */
+};
+
+struct mcf_esdhc_platform_data {
+ int max_bus_width;
+ int cd_type;
+};
+
+#endif /* __LINUX_PLATFORM_DATA_MCF_ESDHC_H__ */
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index d39fc658c320..897b8332a39f 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -85,6 +85,9 @@
/* Maximum charging percentage */
#define ASUS_WMI_DEVID_RSOC 0x00120057
+/* Keyboard dock */
+#define ASUS_WMI_DEVID_KBD_DOCK 0x00120063
+
/* DSTS masks */
#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index bdc35753ef7c..77a2aada106d 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -25,6 +25,7 @@ struct platform_device {
bool id_auto;
struct device dev;
u64 platform_dma_mask;
+ struct device_dma_parameters dma_parms;
u32 num_resources;
struct resource *resource;
diff --git a/include/linux/pm.h b/include/linux/pm.h
index e057d1fa2469..121c104a4090 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -544,31 +544,17 @@ struct pm_subsys_data {
* These flags can be set by device drivers at the probe time. They need not be
* cleared by the drivers as the driver core will take care of that.
*
- * NEVER_SKIP: Do not skip all system suspend/resume callbacks for the device.
- * SMART_PREPARE: Check the return value of the driver's ->prepare callback.
- * SMART_SUSPEND: No need to resume the device from runtime suspend.
- * LEAVE_SUSPENDED: Avoid resuming the device during system resume if possible.
- *
- * Setting SMART_PREPARE instructs bus types and PM domains which may want
- * system suspend/resume callbacks to be skipped for the device to return 0 from
- * their ->prepare callbacks if the driver's ->prepare callback returns 0 (in
- * other words, the system suspend/resume callbacks can only be skipped for the
- * device if its driver doesn't object against that). This flag has no effect
- * if NEVER_SKIP is set.
- *
- * Setting SMART_SUSPEND instructs bus types and PM domains which may want to
- * runtime resume the device upfront during system suspend that doing so is not
- * necessary from the driver's perspective. It also may cause them to skip
- * invocations of the ->suspend_late and ->suspend_noirq callbacks provided by
- * the driver if they decide to leave the device in runtime suspend.
- *
- * Setting LEAVE_SUSPENDED informs the PM core and middle-layer code that the
- * driver prefers the device to be left in suspend after system resume.
+ * NO_DIRECT_COMPLETE: Do not apply direct-complete optimization to the device.
+ * SMART_PREPARE: Take the driver ->prepare callback return value into account.
+ * SMART_SUSPEND: Avoid resuming the device from runtime suspend.
+ * MAY_SKIP_RESUME: Allow driver "noirq" and "early" callbacks to be skipped.
+ *
+ * See Documentation/driver-api/pm/devices.rst for details.
*/
-#define DPM_FLAG_NEVER_SKIP BIT(0)
+#define DPM_FLAG_NO_DIRECT_COMPLETE BIT(0)
#define DPM_FLAG_SMART_PREPARE BIT(1)
#define DPM_FLAG_SMART_SUSPEND BIT(2)
-#define DPM_FLAG_LEAVE_SUSPENDED BIT(3)
+#define DPM_FLAG_MAY_SKIP_RESUME BIT(3)
struct dev_pm_info {
pm_message_t power_state;
@@ -758,8 +744,8 @@ extern int pm_generic_poweroff_late(struct device *dev);
extern int pm_generic_poweroff(struct device *dev);
extern void pm_generic_complete(struct device *dev);
-extern bool dev_pm_may_skip_resume(struct device *dev);
-extern bool dev_pm_smart_suspend_and_suspended(struct device *dev);
+extern bool dev_pm_skip_resume(struct device *dev);
+extern bool dev_pm_skip_suspend(struct device *dev);
#else /* !CONFIG_PM_SLEEP */
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 3bdcbce8141a..3dbc207bff53 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -102,9 +102,9 @@ static inline bool pm_runtime_enabled(struct device *dev)
return !dev->power.disable_depth;
}
-static inline bool pm_runtime_callbacks_present(struct device *dev)
+static inline bool pm_runtime_has_no_callbacks(struct device *dev)
{
- return !dev->power.no_callbacks;
+ return dev->power.no_callbacks;
}
static inline void pm_runtime_mark_last_busy(struct device *dev)
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index b18dca67253d..c2a7cfbca713 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -220,10 +220,8 @@ struct pnp_card {
#define global_to_pnp_card(n) list_entry(n, struct pnp_card, global_list)
#define protocol_to_pnp_card(n) list_entry(n, struct pnp_card, protocol_list)
#define to_pnp_card(n) container_of(n, struct pnp_card, dev)
-#define pnp_for_each_card(card) \
- for((card) = global_to_pnp_card(pnp_cards.next); \
- (card) != global_to_pnp_card(&pnp_cards); \
- (card) = global_to_pnp_card((card)->global_list.next))
+#define pnp_for_each_card(card) \
+ list_for_each_entry(card, &pnp_cards, global_list)
struct pnp_card_link {
struct pnp_card *card;
@@ -276,14 +274,9 @@ struct pnp_dev {
#define card_to_pnp_dev(n) list_entry(n, struct pnp_dev, card_list)
#define protocol_to_pnp_dev(n) list_entry(n, struct pnp_dev, protocol_list)
#define to_pnp_dev(n) container_of(n, struct pnp_dev, dev)
-#define pnp_for_each_dev(dev) \
- for((dev) = global_to_pnp_dev(pnp_global.next); \
- (dev) != global_to_pnp_dev(&pnp_global); \
- (dev) = global_to_pnp_dev((dev)->global_list.next))
-#define card_for_each_dev(card,dev) \
- for((dev) = card_to_pnp_dev((card)->devices.next); \
- (dev) != card_to_pnp_dev(&(card)->devices); \
- (dev) = card_to_pnp_dev((dev)->card_list.next))
+#define pnp_for_each_dev(dev) list_for_each_entry(dev, &pnp_global, global_list)
+#define card_for_each_dev(card, dev) \
+ list_for_each_entry(dev, &(card)->devices, card_list)
#define pnp_dev_name(dev) (dev)->name
static inline void *pnp_get_drvdata(struct pnp_dev *pdev)
@@ -437,14 +430,10 @@ struct pnp_protocol {
};
#define to_pnp_protocol(n) list_entry(n, struct pnp_protocol, protocol_list)
-#define protocol_for_each_card(protocol,card) \
- for((card) = protocol_to_pnp_card((protocol)->cards.next); \
- (card) != protocol_to_pnp_card(&(protocol)->cards); \
- (card) = protocol_to_pnp_card((card)->protocol_list.next))
-#define protocol_for_each_dev(protocol,dev) \
- for((dev) = protocol_to_pnp_dev((protocol)->devices.next); \
- (dev) != protocol_to_pnp_dev(&(protocol)->devices); \
- (dev) = protocol_to_pnp_dev((dev)->protocol_list.next))
+#define protocol_for_each_card(protocol, card) \
+ list_for_each_entry(card, &(protocol)->cards, protocol_list)
+#define protocol_for_each_dev(protocol, dev) \
+ list_for_each_entry(dev, &(protocol)->devices, protocol_list)
extern struct bus_type pnp_bus_type;
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index bc3f1aecaa19..7d9c1c0e149c 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -26,13 +26,13 @@
* PREEMPT_MASK: 0x000000ff
* SOFTIRQ_MASK: 0x0000ff00
* HARDIRQ_MASK: 0x000f0000
- * NMI_MASK: 0x00100000
+ * NMI_MASK: 0x00f00000
* PREEMPT_NEED_RESCHED: 0x80000000
*/
#define PREEMPT_BITS 8
#define SOFTIRQ_BITS 8
#define HARDIRQ_BITS 4
-#define NMI_BITS 1
+#define NMI_BITS 4
#define PREEMPT_SHIFT 0
#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS)
diff --git a/include/linux/printk.h b/include/linux/printk.h
index e061635e0409..3cc2f178bf06 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -189,7 +189,7 @@ extern int printk_delay_msec;
extern int dmesg_restrict;
extern int
-devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, void __user *buf,
+devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write, void *buf,
size_t *lenp, loff_t *ppos);
extern void wake_up_klogd(void);
@@ -279,39 +279,116 @@ static inline void printk_safe_flush_on_panic(void)
extern int kptr_restrict;
+/**
+ * pr_fmt - used by the pr_*() macros to generate the printk format string
+ * @fmt: format string passed from a pr_*() macro
+ *
+ * This macro can be used to generate a unified format string for pr_*()
+ * macros. A common use is to prefix all pr_*() messages in a file with a common
+ * string. For example, defining this at the top of a source file:
+ *
+ * #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+ *
+ * would prefix all pr_info, pr_emerg... messages in the file with the module
+ * name.
+ */
#ifndef pr_fmt
#define pr_fmt(fmt) fmt
#endif
-/*
- * These can be used to print at the various log levels.
- * All of these will print unconditionally, although note that pr_debug()
- * and other debug macros are compiled out unless either DEBUG is defined
- * or CONFIG_DYNAMIC_DEBUG is set.
+/**
+ * pr_emerg - Print an emergency-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_EMERG loglevel. It uses pr_fmt() to
+ * generate the format string.
*/
#define pr_emerg(fmt, ...) \
printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_alert - Print an alert-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_ALERT loglevel. It uses pr_fmt() to
+ * generate the format string.
+ */
#define pr_alert(fmt, ...) \
printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_crit - Print a critical-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_CRIT loglevel. It uses pr_fmt() to
+ * generate the format string.
+ */
#define pr_crit(fmt, ...) \
printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_err - Print an error-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_ERR loglevel. It uses pr_fmt() to
+ * generate the format string.
+ */
#define pr_err(fmt, ...) \
printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_warn - Print a warning-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_WARNING loglevel. It uses pr_fmt()
+ * to generate the format string.
+ */
#define pr_warn(fmt, ...) \
printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_notice - Print a notice-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_NOTICE loglevel. It uses pr_fmt() to
+ * generate the format string.
+ */
#define pr_notice(fmt, ...) \
printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
+/**
+ * pr_info - Print an info-level message
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_INFO loglevel. It uses pr_fmt() to
+ * generate the format string.
+ */
#define pr_info(fmt, ...) \
printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
-/*
- * Like KERN_CONT, pr_cont() should only be used when continuing
- * a line with no newline ('\n') enclosed. Otherwise it defaults
- * back to KERN_DEFAULT.
+
+/**
+ * pr_cont - Continues a previous log message in the same line.
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_CONT loglevel. It should only be
+ * used when continuing a log message with no newline ('\n') enclosed. Otherwise
+ * it defaults back to KERN_DEFAULT loglevel.
*/
#define pr_cont(fmt, ...) \
printk(KERN_CONT fmt, ##__VA_ARGS__)
-/* pr_devel() should produce zero code unless DEBUG is defined */
+/**
+ * pr_devel - Print a debug-level message conditionally
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to a printk with KERN_DEBUG loglevel if DEBUG is
+ * defined. Otherwise it does nothing.
+ *
+ * It uses pr_fmt() to generate the format string.
+ */
#ifdef DEBUG
#define pr_devel(fmt, ...) \
printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
@@ -325,8 +402,19 @@ extern int kptr_restrict;
#if defined(CONFIG_DYNAMIC_DEBUG)
#include <linux/dynamic_debug.h>
-/* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */
-#define pr_debug(fmt, ...) \
+/**
+ * pr_debug - Print a debug-level message conditionally
+ * @fmt: format string
+ * @...: arguments for the format string
+ *
+ * This macro expands to dynamic_pr_debug() if CONFIG_DYNAMIC_DEBUG is
+ * set. Otherwise, if DEBUG is defined, it's equivalent to a printk with
+ * KERN_DEBUG loglevel. If DEBUG is not defined it does nothing.
+ *
+ * It uses pr_fmt() to generate the format string (dynamic_pr_debug() uses
+ * pr_fmt() internally).
+ */
+#define pr_debug(fmt, ...) \
dynamic_pr_debug(fmt, ##__VA_ARGS__)
#elif defined(DEBUG)
#define pr_debug(fmt, ...) \
@@ -384,8 +472,7 @@ extern int kptr_restrict;
printk_once(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
#define pr_info_once(fmt, ...) \
printk_once(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
-#define pr_cont_once(fmt, ...) \
- printk_once(KERN_CONT pr_fmt(fmt), ##__VA_ARGS__)
+/* no pr_cont_once, don't do that... */
#if defined(DEBUG)
#define pr_devel_once(fmt, ...) \
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 45c05fd9c99d..ad4ff711fc02 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -105,6 +105,9 @@ struct proc_dir_entry *proc_create_net_single_write(const char *name, umode_t mo
void *data);
extern struct pid *tgid_pidfd_to_pid(const struct file *file);
+extern int bpf_iter_init_seq_net(void *priv_data);
+extern void bpf_iter_fini_seq_net(void *priv_data);
+
#ifdef CONFIG_PROC_PID_ARCH_STATUS
/*
* The architecture which selects CONFIG_PROC_PID_ARCH_STATUS must
@@ -179,4 +182,6 @@ static inline struct pid_namespace *proc_pid_ns(const struct inode *inode)
return inode->i_sb->s_fs_info;
}
+bool proc_ns_file(const struct file *file);
+
#endif /* _LINUX_PROC_FS_H */
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h
index 6abe85c34681..75807ecef880 100644
--- a/include/linux/proc_ns.h
+++ b/include/linux/proc_ns.h
@@ -8,7 +8,7 @@
#include <linux/ns_common.h>
struct pid_namespace;
-struct nsproxy;
+struct nsset;
struct path;
struct task_struct;
struct inode;
@@ -19,7 +19,7 @@ struct proc_ns_operations {
int type;
struct ns_common *(*get)(struct task_struct *task);
void (*put)(struct ns_common *ns);
- int (*install)(struct nsproxy *nsproxy, struct ns_common *ns);
+ int (*install)(struct nsset *nsset, struct ns_common *ns);
struct user_namespace *(*owner)(struct ns_common *ns);
struct ns_common *(*get_parent)(struct ns_common *ns);
} __randomize_layout;
diff --git a/include/linux/property.h b/include/linux/property.h
index d86de017c689..c7b5f3db36aa 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -440,6 +440,9 @@ software_node_find_by_name(const struct software_node *parent,
int software_node_register_nodes(const struct software_node *nodes);
void software_node_unregister_nodes(const struct software_node *nodes);
+int software_node_register_node_group(const struct software_node **node_group);
+void software_node_unregister_node_group(const struct software_node **node_group);
+
int software_node_register(const struct software_node *node);
int software_node_notify(struct device *dev, unsigned long action);
diff --git a/include/linux/psci.h b/include/linux/psci.h
index a67712b73b6c..14ad9b9ebcd6 100644
--- a/include/linux/psci.h
+++ b/include/linux/psci.h
@@ -21,11 +21,6 @@ bool psci_power_state_is_valid(u32 state);
int psci_set_osi_mode(void);
bool psci_has_osi_support(void);
-enum smccc_version {
- SMCCC_VERSION_1_0,
- SMCCC_VERSION_1_1,
-};
-
struct psci_operations {
u32 (*get_version)(void);
int (*cpu_suspend)(u32 state, unsigned long entry_point);
@@ -35,8 +30,6 @@ struct psci_operations {
int (*affinity_info)(unsigned long target_affinity,
unsigned long lowest_affinity_level);
int (*migrate_info_type)(void);
- enum arm_smccc_conduit conduit;
- enum smccc_version smccc_version;
};
extern struct psci_operations psci_ops;
diff --git a/include/linux/psp-sev.h b/include/linux/psp-sev.h
index 5167bf2bfc75..7fbc8679145c 100644
--- a/include/linux/psp-sev.h
+++ b/include/linux/psp-sev.h
@@ -100,6 +100,8 @@ struct sev_data_init {
u32 tmr_len; /* In */
} __packed;
+#define SEV_INIT_FLAGS_SEV_ES 0x01
+
/**
* struct sev_data_pek_csr - PEK_CSR command parameters
*
diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index e779441e6d26..eb93a54cff31 100644
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -96,6 +96,12 @@ struct pstore_record {
*
* @read_mutex: serializes @open, @read, @close, and @erase callbacks
* @flags: bitfield of frontends the backend can accept writes for
+ * @max_reason: Used when PSTORE_FLAGS_DMESG is set. Contains the
+ * kmsg_dump_reason enum value. KMSG_DUMP_UNDEF means
+ * "use existing kmsg_dump() filtering, based on the
+ * printk.always_kmsg_dump boot param" (which is either
+ * KMSG_DUMP_OOPS when false, or KMSG_DUMP_MAX when
+ * true); see printk.always_kmsg_dump for more details.
* @data: backend-private pointer passed back during callbacks
*
* Callbacks:
@@ -170,7 +176,7 @@ struct pstore_record {
*/
struct pstore_info {
struct module *owner;
- char *name;
+ const char *name;
struct semaphore buf_lock;
char *buf;
@@ -179,6 +185,7 @@ struct pstore_info {
struct mutex read_mutex;
int flags;
+ int max_reason;
void *data;
int (*open)(struct pstore_info *psi);
diff --git a/include/linux/pstore_blk.h b/include/linux/pstore_blk.h
new file mode 100644
index 000000000000..61e914522b01
--- /dev/null
+++ b/include/linux/pstore_blk.h
@@ -0,0 +1,118 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __PSTORE_BLK_H_
+#define __PSTORE_BLK_H_
+
+#include <linux/types.h>
+#include <linux/pstore.h>
+#include <linux/pstore_zone.h>
+
+/**
+ * typedef pstore_blk_panic_write_op - panic write operation to block device
+ *
+ * @buf: the data to write
+ * @start_sect: start sector to block device
+ * @sects: sectors count on buf
+ *
+ * Return: On success, zero should be returned. Others excluding -ENOMSG
+ * mean error. -ENOMSG means to try next zone.
+ *
+ * Panic write to block device must be aligned to SECTOR_SIZE.
+ */
+typedef int (*pstore_blk_panic_write_op)(const char *buf, sector_t start_sect,
+ sector_t sects);
+
+/**
+ * struct pstore_blk_info - pstore/blk registration details
+ *
+ * @major: Which major device number to support with pstore/blk
+ * @flags: The supported PSTORE_FLAGS_* from linux/pstore.h.
+ * @panic_write:The write operation only used for the panic case.
+ * This can be NULL, but is recommended to avoid losing
+ * crash data if the kernel's IO path or work queues are
+ * broken during a panic.
+ * @devt: The dev_t that pstore/blk has attached to.
+ * @nr_sects: Number of sectors on @devt.
+ * @start_sect: Starting sector on @devt.
+ */
+struct pstore_blk_info {
+ unsigned int major;
+ unsigned int flags;
+ pstore_blk_panic_write_op panic_write;
+
+ /* Filled in by pstore/blk after registration. */
+ dev_t devt;
+ sector_t nr_sects;
+ sector_t start_sect;
+};
+
+int register_pstore_blk(struct pstore_blk_info *info);
+void unregister_pstore_blk(unsigned int major);
+
+/**
+ * struct pstore_device_info - back-end pstore/blk driver structure.
+ *
+ * @total_size: The total size in bytes pstore/blk can use. It must be greater
+ * than 4096 and be multiple of 4096.
+ * @flags: Refer to macro starting with PSTORE_FLAGS defined in
+ * linux/pstore.h. It means what front-ends this device support.
+ * Zero means all backends for compatible.
+ * @read: The general read operation. Both of the function parameters
+ * @size and @offset are relative value to bock device (not the
+ * whole disk).
+ * On success, the number of bytes should be returned, others
+ * means error.
+ * @write: The same as @read, but the following error number:
+ * -EBUSY means try to write again later.
+ * -ENOMSG means to try next zone.
+ * @erase: The general erase operation for device with special removing
+ * job. Both of the function parameters @size and @offset are
+ * relative value to storage.
+ * Return 0 on success and others on failure.
+ * @panic_write:The write operation only used for panic case. It's optional
+ * if you do not care panic log. The parameters are relative
+ * value to storage.
+ * On success, the number of bytes should be returned, others
+ * excluding -ENOMSG mean error. -ENOMSG means to try next zone.
+ */
+struct pstore_device_info {
+ unsigned long total_size;
+ unsigned int flags;
+ pstore_zone_read_op read;
+ pstore_zone_write_op write;
+ pstore_zone_erase_op erase;
+ pstore_zone_write_op panic_write;
+};
+
+int register_pstore_device(struct pstore_device_info *dev);
+void unregister_pstore_device(struct pstore_device_info *dev);
+
+/**
+ * struct pstore_blk_config - the pstore_blk backend configuration
+ *
+ * @device: Name of the desired block device
+ * @max_reason: Maximum kmsg dump reason to store to block device
+ * @kmsg_size: Total size of for kmsg dumps
+ * @pmsg_size: Total size of the pmsg storage area
+ * @console_size: Total size of the console storage area
+ * @ftrace_size: Total size for ftrace logging data (for all CPUs)
+ */
+struct pstore_blk_config {
+ char device[80];
+ enum kmsg_dump_reason max_reason;
+ unsigned long kmsg_size;
+ unsigned long pmsg_size;
+ unsigned long console_size;
+ unsigned long ftrace_size;
+};
+
+/**
+ * pstore_blk_get_config - get a copy of the pstore_blk backend configuration
+ *
+ * @info: The sturct pstore_blk_config to be filled in
+ *
+ * Failure returns negative error code, and success returns 0.
+ */
+int pstore_blk_get_config(struct pstore_blk_config *info);
+
+#endif
diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h
index 9cb9b9067298..9f16afec7290 100644
--- a/include/linux/pstore_ram.h
+++ b/include/linux/pstore_ram.h
@@ -133,7 +133,7 @@ struct ramoops_platform_data {
unsigned long console_size;
unsigned long ftrace_size;
unsigned long pmsg_size;
- int dump_oops;
+ int max_reason;
u32 flags;
struct persistent_ram_ecc_info ecc_info;
};
diff --git a/include/linux/pstore_zone.h b/include/linux/pstore_zone.h
new file mode 100644
index 000000000000..1e35eaa33e5e
--- /dev/null
+++ b/include/linux/pstore_zone.h
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __PSTORE_ZONE_H_
+#define __PSTORE_ZONE_H_
+
+#include <linux/types.h>
+
+typedef ssize_t (*pstore_zone_read_op)(char *, size_t, loff_t);
+typedef ssize_t (*pstore_zone_write_op)(const char *, size_t, loff_t);
+typedef ssize_t (*pstore_zone_erase_op)(size_t, loff_t);
+/**
+ * struct pstore_zone_info - pstore/zone back-end driver structure
+ *
+ * @owner: Module which is responsible for this back-end driver.
+ * @name: Name of the back-end driver.
+ * @total_size: The total size in bytes pstore/zone can use. It must be greater
+ * than 4096 and be multiple of 4096.
+ * @kmsg_size: The size of oops/panic zone. Zero means disabled, otherwise,
+ * it must be multiple of SECTOR_SIZE(512 Bytes).
+ * @max_reason: Maximum kmsg dump reason to store.
+ * @pmsg_size: The size of pmsg zone which is the same as @kmsg_size.
+ * @console_size:The size of console zone which is the same as @kmsg_size.
+ * @ftrace_size:The size of ftrace zone which is the same as @kmsg_size.
+ * @read: The general read operation. Both of the function parameters
+ * @size and @offset are relative value to storage.
+ * On success, the number of bytes should be returned, others
+ * mean error.
+ * @write: The same as @read, but the following error number:
+ * -EBUSY means try to write again later.
+ * -ENOMSG means to try next zone.
+ * @erase: The general erase operation for device with special removing
+ * job. Both of the function parameters @size and @offset are
+ * relative value to storage.
+ * Return 0 on success and others on failure.
+ * @panic_write:The write operation only used for panic case. It's optional
+ * if you do not care panic log. The parameters are relative
+ * value to storage.
+ * On success, the number of bytes should be returned, others
+ * excluding -ENOMSG mean error. -ENOMSG means to try next zone.
+ */
+struct pstore_zone_info {
+ struct module *owner;
+ const char *name;
+
+ unsigned long total_size;
+ unsigned long kmsg_size;
+ int max_reason;
+ unsigned long pmsg_size;
+ unsigned long console_size;
+ unsigned long ftrace_size;
+ pstore_zone_read_op read;
+ pstore_zone_write_op write;
+ pstore_zone_erase_op erase;
+ pstore_zone_write_op panic_write;
+};
+
+extern int register_pstore_zone(struct pstore_zone_info *info);
+extern void unregister_pstore_zone(struct pstore_zone_info *info);
+
+#endif
diff --git a/include/linux/ptdump.h b/include/linux/ptdump.h
index a67065c403c3..2a3a95586425 100644
--- a/include/linux/ptdump.h
+++ b/include/linux/ptdump.h
@@ -13,7 +13,8 @@ struct ptdump_range {
struct ptdump_state {
/* level is 0:PGD to 4:PTE, or -1 if unknown */
void (*note_page)(struct ptdump_state *st, unsigned long addr,
- int level, unsigned long val);
+ int level, u64 val);
+ void (*effective_prot)(struct ptdump_state *st, int level, u64 val);
const struct ptdump_range *range;
};
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h
index 121a7eda4593..d3e8ba5c7125 100644
--- a/include/linux/ptp_clock_kernel.h
+++ b/include/linux/ptp_clock_kernel.h
@@ -36,7 +36,7 @@ struct ptp_system_timestamp {
};
/**
- * struct ptp_clock_info - decribes a PTP hardware clock
+ * struct ptp_clock_info - describes a PTP hardware clock
*
* @owner: The clock driver should set to THIS_MODULE.
* @name: A short "friendly name" to identify the clock and to
@@ -65,6 +65,9 @@ struct ptp_system_timestamp {
* parameter delta: Desired frequency offset from nominal frequency
* in parts per billion
*
+ * @adjphase: Adjusts the phase offset of the hardware clock.
+ * parameter delta: Desired change in nanoseconds.
+ *
* @adjtime: Shifts the time of the hardware clock.
* parameter delta: Desired change in nanoseconds.
*
@@ -105,10 +108,10 @@ struct ptp_system_timestamp {
* parameter func: the desired function to use.
* parameter chan: the function channel index to use.
*
- * @do_work: Request driver to perform auxiliary (periodic) operations
- * Driver should return delay of the next auxiliary work scheduling
- * time (>=0) or negative value in case further scheduling
- * is not required.
+ * @do_aux_work: Request driver to perform auxiliary (periodic) operations
+ * Driver should return delay of the next auxiliary work
+ * scheduling time (>=0) or negative value in case further
+ * scheduling is not required.
*
* Drivers should embed their ptp_clock_info within a private
* structure, obtaining a reference to it using container_of().
@@ -128,6 +131,7 @@ struct ptp_clock_info {
struct ptp_pin_desc *pin_config;
int (*adjfine)(struct ptp_clock_info *ptp, long scaled_ppm);
int (*adjfreq)(struct ptp_clock_info *ptp, s32 delta);
+ int (*adjphase)(struct ptp_clock_info *ptp, s32 phase);
int (*adjtime)(struct ptp_clock_info *ptp, s64 delta);
int (*gettime64)(struct ptp_clock_info *ptp, struct timespec64 *ts);
int (*gettimex64)(struct ptp_clock_info *ptp, struct timespec64 *ts,
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 8f29e0d8a7b3..48325d7790f8 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -607,6 +607,16 @@ struct qed_sb_info {
struct qed_dev *cdev;
};
+enum qed_hw_err_type {
+ QED_HW_ERR_FAN_FAIL,
+ QED_HW_ERR_MFW_RESP_FAIL,
+ QED_HW_ERR_HW_ATTN,
+ QED_HW_ERR_DMAE_FAIL,
+ QED_HW_ERR_RAMROD_FAIL,
+ QED_HW_ERR_FW_ASSERT,
+ QED_HW_ERR_LAST,
+};
+
enum qed_dev_type {
QED_DEV_TYPE_BB,
QED_DEV_TYPE_AH,
@@ -811,10 +821,11 @@ enum qed_nvm_flash_cmd {
struct qed_common_cb_ops {
void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
- void (*link_update)(void *dev,
- struct qed_link_output *link);
+ void (*link_update)(void *dev, struct qed_link_output *link);
void (*schedule_recovery_handler)(void *dev);
- void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);
+ void (*schedule_hw_err_handler)(void *dev,
+ enum qed_hw_err_type err_type);
+ void (*dcbx_aen)(void *dev, struct qed_dcbx_get *get, u32 mib_type);
void (*get_generic_tlv_data)(void *dev, struct qed_generic_tlvs *data);
void (*get_protocol_tlv_data)(void *dev, void *data);
};
@@ -1034,6 +1045,15 @@ struct qed_common_ops {
*/
int (*set_led)(struct qed_dev *cdev,
enum qed_led_mode mode);
+
+/**
+ * @brief attn_clr_enable - Prevent attentions from being reasserted
+ *
+ * @param cdev
+ * @param clr_enable
+ */
+ void (*attn_clr_enable)(struct qed_dev *cdev, bool clr_enable);
+
/**
* @brief db_recovery_add - add doorbell information to the doorbell
* recovery mechanism.
diff --git a/include/linux/qed/qed_rdma_if.h b/include/linux/qed/qed_rdma_if.h
index 74efca15fde7..584077565f12 100644
--- a/include/linux/qed/qed_rdma_if.h
+++ b/include/linux/qed/qed_rdma_if.h
@@ -53,6 +53,13 @@ enum qed_roce_qp_state {
QED_ROCE_QP_STATE_SQE
};
+enum qed_rdma_qp_type {
+ QED_RDMA_QP_TYPE_RC,
+ QED_RDMA_QP_TYPE_XRC_INI,
+ QED_RDMA_QP_TYPE_XRC_TGT,
+ QED_RDMA_QP_TYPE_INVAL = 0xffff,
+};
+
enum qed_rdma_tid_type {
QED_RDMA_TID_REGISTERED_MR,
QED_RDMA_TID_FMR,
@@ -291,6 +298,12 @@ struct qed_rdma_create_srq_in_params {
u16 num_pages;
u16 pd_id;
u16 page_size;
+
+ /* XRC related only */
+ bool reserved_key_en;
+ bool is_xrc;
+ u32 cq_cid;
+ u16 xrcd_id;
};
struct qed_rdma_destroy_cq_in_params {
@@ -319,7 +332,12 @@ struct qed_rdma_create_qp_in_params {
u16 rq_num_pages;
u64 rq_pbl_ptr;
u16 srq_id;
+ u16 xrcd_id;
u8 stats_queue;
+ enum qed_rdma_qp_type qp_type;
+ u8 flags;
+#define QED_ROCE_EDPM_MODE_MASK 0x1
+#define QED_ROCE_EDPM_MODE_SHIFT 0
};
struct qed_rdma_create_qp_out_params {
@@ -429,11 +447,13 @@ struct qed_rdma_create_srq_out_params {
struct qed_rdma_destroy_srq_in_params {
u16 srq_id;
+ bool is_xrc;
};
struct qed_rdma_modify_srq_in_params {
u32 wqe_limit;
u16 srq_id;
+ bool is_xrc;
};
struct qed_rdma_stats_out_params {
@@ -611,6 +631,8 @@ struct qed_rdma_ops {
int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
+ int (*rdma_alloc_xrcd)(void *rdma_cxt, u16 *xrcd);
+ void (*rdma_dealloc_xrcd)(void *rdma_cxt, u16 xrcd);
int (*rdma_create_cq)(void *rdma_cxt,
struct qed_rdma_create_cq_in_params *params,
u16 *icid);
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index 63e62372443a..c2a9f7c90727 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -16,11 +16,20 @@
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/xarray.h>
+#include <linux/local_lock.h>
/* Keep unconverted code working */
#define radix_tree_root xarray
#define radix_tree_node xa_node
+struct radix_tree_preload {
+ local_lock_t lock;
+ unsigned nr;
+ /* nodes->parent points to next preallocated node */
+ struct radix_tree_node *nodes;
+};
+DECLARE_PER_CPU(struct radix_tree_preload, radix_tree_preloads);
+
/*
* The bottom two bits of the slot determine how the remaining bits in the
* slot are interpreted:
@@ -245,7 +254,7 @@ int radix_tree_tagged(const struct radix_tree_root *, unsigned int tag);
static inline void radix_tree_preload_end(void)
{
- preempt_enable();
+ local_unlock(&radix_tree_preloads.lock);
}
void __rcu **idr_get_free(struct radix_tree_root *root,
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 1fd61a9af45c..d7db17996322 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -11,7 +11,7 @@
I know it's not the cleaner way, but in C (not in C++) to get
performances and genericity...
- See Documentation/rbtree.txt for documentation and samples.
+ See Documentation/core-api/rbtree.rst for documentation and samples.
*/
#ifndef _LINUX_RBTREE_H
diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
index 724b0d036b57..d1c53e9d8c75 100644
--- a/include/linux/rbtree_augmented.h
+++ b/include/linux/rbtree_augmented.h
@@ -21,7 +21,7 @@
* rb_insert_augmented() and rb_erase_augmented() are intended to be public.
* The rest are implementation details you are not expected to depend on.
*
- * See Documentation/rbtree.txt for documentation and samples.
+ * See Documentation/core-api/rbtree.rst for documentation and samples.
*/
struct rb_augment_callbacks {
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 8214cdc715f2..7375bb3da140 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -371,7 +371,7 @@ static inline void list_splice_tail_init_rcu(struct list_head *list,
* @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the list_head within the struct.
- * @cond...: optional lockdep expression if called from non-RCU protection.
+ * @cond: optional lockdep expression if called from non-RCU protection.
*
* This list-traversal primitive may safely run concurrently with
* the _rcu list-mutation primitives such as list_add_rcu()
@@ -646,7 +646,7 @@ static inline void hlist_add_behind_rcu(struct hlist_node *n,
* @pos: the type * to use as a loop cursor.
* @head: the head for your list.
* @member: the name of the hlist_node within the struct.
- * @cond...: optional lockdep expression if called from non-RCU protection.
+ * @cond: optional lockdep expression if called from non-RCU protection.
*
* This list-traversal primitive may safely run concurrently with
* the _rcu list-mutation primitives such as hlist_add_head_rcu()
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 2678a37c3169..659cbfa7581a 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -37,6 +37,7 @@
/* Exported common interfaces */
void call_rcu(struct rcu_head *head, rcu_callback_t func);
void rcu_barrier_tasks(void);
+void rcu_barrier_tasks_rude(void);
void synchronize_rcu(void);
#ifdef CONFIG_PREEMPT_RCU
@@ -129,25 +130,57 @@ static inline void rcu_init_nohz(void) { }
* Note a quasi-voluntary context switch for RCU-tasks's benefit.
* This is a macro rather than an inline function to avoid #include hell.
*/
-#ifdef CONFIG_TASKS_RCU
-#define rcu_tasks_qs(t) \
- do { \
- if (READ_ONCE((t)->rcu_tasks_holdout)) \
- WRITE_ONCE((t)->rcu_tasks_holdout, false); \
+#ifdef CONFIG_TASKS_RCU_GENERIC
+
+# ifdef CONFIG_TASKS_RCU
+# define rcu_tasks_classic_qs(t, preempt) \
+ do { \
+ if (!(preempt) && READ_ONCE((t)->rcu_tasks_holdout)) \
+ WRITE_ONCE((t)->rcu_tasks_holdout, false); \
} while (0)
-#define rcu_note_voluntary_context_switch(t) rcu_tasks_qs(t)
void call_rcu_tasks(struct rcu_head *head, rcu_callback_t func);
void synchronize_rcu_tasks(void);
+# else
+# define rcu_tasks_classic_qs(t, preempt) do { } while (0)
+# define call_rcu_tasks call_rcu
+# define synchronize_rcu_tasks synchronize_rcu
+# endif
+
+# ifdef CONFIG_TASKS_RCU_TRACE
+# define rcu_tasks_trace_qs(t) \
+ do { \
+ if (!likely(READ_ONCE((t)->trc_reader_checked)) && \
+ !unlikely(READ_ONCE((t)->trc_reader_nesting))) { \
+ smp_store_release(&(t)->trc_reader_checked, true); \
+ smp_mb(); /* Readers partitioned by store. */ \
+ } \
+ } while (0)
+# else
+# define rcu_tasks_trace_qs(t) do { } while (0)
+# endif
+
+#define rcu_tasks_qs(t, preempt) \
+do { \
+ rcu_tasks_classic_qs((t), (preempt)); \
+ rcu_tasks_trace_qs((t)); \
+} while (0)
+
+# ifdef CONFIG_TASKS_RUDE_RCU
+void call_rcu_tasks_rude(struct rcu_head *head, rcu_callback_t func);
+void synchronize_rcu_tasks_rude(void);
+# endif
+
+#define rcu_note_voluntary_context_switch(t) rcu_tasks_qs(t, false)
void exit_tasks_rcu_start(void);
void exit_tasks_rcu_finish(void);
-#else /* #ifdef CONFIG_TASKS_RCU */
-#define rcu_tasks_qs(t) do { } while (0)
+#else /* #ifdef CONFIG_TASKS_RCU_GENERIC */
+#define rcu_tasks_qs(t, preempt) do { } while (0)
#define rcu_note_voluntary_context_switch(t) do { } while (0)
#define call_rcu_tasks call_rcu
#define synchronize_rcu_tasks synchronize_rcu
static inline void exit_tasks_rcu_start(void) { }
static inline void exit_tasks_rcu_finish(void) { }
-#endif /* #else #ifdef CONFIG_TASKS_RCU */
+#endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */
/**
* cond_resched_tasks_rcu_qs - Report potential quiescent states to RCU
@@ -158,7 +191,7 @@ static inline void exit_tasks_rcu_finish(void) { }
*/
#define cond_resched_tasks_rcu_qs() \
do { \
- rcu_tasks_qs(current); \
+ rcu_tasks_qs(current, false); \
cond_resched(); \
} while (0)
diff --git a/include/linux/rcupdate_trace.h b/include/linux/rcupdate_trace.h
new file mode 100644
index 000000000000..4c25a41f8b27
--- /dev/null
+++ b/include/linux/rcupdate_trace.h
@@ -0,0 +1,88 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Read-Copy Update mechanism for mutual exclusion, adapted for tracing.
+ *
+ * Copyright (C) 2020 Paul E. McKenney.
+ */
+
+#ifndef __LINUX_RCUPDATE_TRACE_H
+#define __LINUX_RCUPDATE_TRACE_H
+
+#include <linux/sched.h>
+#include <linux/rcupdate.h>
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+
+extern struct lockdep_map rcu_trace_lock_map;
+
+static inline int rcu_read_lock_trace_held(void)
+{
+ return lock_is_held(&rcu_trace_lock_map);
+}
+
+#else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+
+static inline int rcu_read_lock_trace_held(void)
+{
+ return 1;
+}
+
+#endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+
+#ifdef CONFIG_TASKS_TRACE_RCU
+
+void rcu_read_unlock_trace_special(struct task_struct *t, int nesting);
+
+/**
+ * rcu_read_lock_trace - mark beginning of RCU-trace read-side critical section
+ *
+ * When synchronize_rcu_trace() is invoked by one task, then that task
+ * is guaranteed to block until all other tasks exit their read-side
+ * critical sections. Similarly, if call_rcu_trace() is invoked on one
+ * task while other tasks are within RCU read-side critical sections,
+ * invocation of the corresponding RCU callback is deferred until after
+ * the all the other tasks exit their critical sections.
+ *
+ * For more details, please see the documentation for rcu_read_lock().
+ */
+static inline void rcu_read_lock_trace(void)
+{
+ struct task_struct *t = current;
+
+ WRITE_ONCE(t->trc_reader_nesting, READ_ONCE(t->trc_reader_nesting) + 1);
+ if (IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB) &&
+ t->trc_reader_special.b.need_mb)
+ smp_mb(); // Pairs with update-side barriers
+ rcu_lock_acquire(&rcu_trace_lock_map);
+}
+
+/**
+ * rcu_read_unlock_trace - mark end of RCU-trace read-side critical section
+ *
+ * Pairs with a preceding call to rcu_read_lock_trace(), and nesting is
+ * allowed. Invoking a rcu_read_unlock_trace() when there is no matching
+ * rcu_read_lock_trace() is verboten, and will result in lockdep complaints.
+ *
+ * For more details, please see the documentation for rcu_read_unlock().
+ */
+static inline void rcu_read_unlock_trace(void)
+{
+ int nesting;
+ struct task_struct *t = current;
+
+ rcu_lock_release(&rcu_trace_lock_map);
+ nesting = READ_ONCE(t->trc_reader_nesting) - 1;
+ if (likely(!READ_ONCE(t->trc_reader_special.s)) || nesting) {
+ WRITE_ONCE(t->trc_reader_nesting, nesting);
+ return; // We assume shallow reader nesting.
+ }
+ rcu_read_unlock_trace_special(t, nesting);
+}
+
+void call_rcu_tasks_trace(struct rcu_head *rhp, rcu_callback_t func);
+void synchronize_rcu_tasks_trace(void);
+void rcu_barrier_tasks_trace(void);
+
+#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
+
+#endif /* __LINUX_RCUPDATE_TRACE_H */
diff --git a/include/linux/rcupdate_wait.h b/include/linux/rcupdate_wait.h
index c0578ba23c1a..699b938358bf 100644
--- a/include/linux/rcupdate_wait.h
+++ b/include/linux/rcupdate_wait.h
@@ -31,4 +31,23 @@ do { \
#define wait_rcu_gp(...) _wait_rcu_gp(false, __VA_ARGS__)
+/**
+ * synchronize_rcu_mult - Wait concurrently for multiple grace periods
+ * @...: List of call_rcu() functions for different grace periods to wait on
+ *
+ * This macro waits concurrently for multiple types of RCU grace periods.
+ * For example, synchronize_rcu_mult(call_rcu, call_rcu_tasks) would wait
+ * on concurrent RCU and RCU-tasks grace periods. Waiting on a given SRCU
+ * domain requires you to write a wrapper function for that SRCU domain's
+ * call_srcu() function, with this wrapper supplying the pointer to the
+ * corresponding srcu_struct.
+ *
+ * The first argument tells Tiny RCU's _wait_rcu_gp() not to
+ * bother waiting for RCU. The reason for this is because anywhere
+ * synchronize_rcu_mult() can be called is automatically already a full
+ * grace period.
+ */
+#define synchronize_rcu_mult(...) \
+ _wait_rcu_gp(IS_ENABLED(CONFIG_TINY_RCU), __VA_ARGS__)
+
#endif /* _LINUX_SCHED_RCUPDATE_WAIT_H */
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index 045c28b71f4f..8512caeb7682 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -49,7 +49,7 @@ static inline void rcu_softirq_qs(void)
#define rcu_note_context_switch(preempt) \
do { \
rcu_qs(); \
- rcu_tasks_qs(current); \
+ rcu_tasks_qs(current, (preempt)); \
} while (0)
static inline int rcu_needs_cpu(u64 basemono, u64 *nextevt)
@@ -71,6 +71,8 @@ static inline void rcu_irq_enter(void) { }
static inline void rcu_irq_exit_irqson(void) { }
static inline void rcu_irq_enter_irqson(void) { }
static inline void rcu_irq_exit(void) { }
+static inline void rcu_irq_exit_preempt(void) { }
+static inline void rcu_irq_exit_check_preempt(void) { }
static inline void exit_rcu(void) { }
static inline bool rcu_preempt_need_deferred_qs(struct task_struct *t)
{
@@ -85,8 +87,10 @@ static inline void rcu_scheduler_starting(void) { }
static inline void rcu_end_inkernel_boot(void) { }
static inline bool rcu_inkernel_boot_has_ended(void) { return true; }
static inline bool rcu_is_watching(void) { return true; }
+static inline bool __rcu_is_watching(void) { return true; }
static inline void rcu_momentary_dyntick_idle(void) { }
static inline void kfree_rcu_scheduler_running(void) { }
+static inline bool rcu_gp_might_be_stalled(void) { return false; }
/* Avoid RCU read-side critical sections leaking across. */
static inline void rcu_all_qs(void) { barrier(); }
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index 45f3f66bb04d..d5cc9d675987 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -39,6 +39,7 @@ void rcu_barrier(void);
bool rcu_eqs_special_set(int cpu);
void rcu_momentary_dyntick_idle(void);
void kfree_rcu_scheduler_running(void);
+bool rcu_gp_might_be_stalled(void);
unsigned long get_state_synchronize_rcu(void);
void cond_synchronize_rcu(unsigned long oldstate);
@@ -46,9 +47,16 @@ void rcu_idle_enter(void);
void rcu_idle_exit(void);
void rcu_irq_enter(void);
void rcu_irq_exit(void);
+void rcu_irq_exit_preempt(void);
void rcu_irq_enter_irqson(void);
void rcu_irq_exit_irqson(void);
+#ifdef CONFIG_PROVE_RCU
+void rcu_irq_exit_check_preempt(void);
+#else
+static inline void rcu_irq_exit_check_preempt(void) { }
+#endif
+
void exit_rcu(void);
void rcu_scheduler_starting(void);
@@ -56,6 +64,7 @@ extern int rcu_scheduler_active __read_mostly;
void rcu_end_inkernel_boot(void);
bool rcu_inkernel_boot_has_ended(void);
bool rcu_is_watching(void);
+bool __rcu_is_watching(void);
#ifndef CONFIG_PREEMPTION
void rcu_all_qs(void);
#endif
diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h
index 2ffe1ee6d482..61c56cca95c4 100644
--- a/include/linux/rcuwait.h
+++ b/include/linux/rcuwait.h
@@ -25,16 +25,38 @@ static inline void rcuwait_init(struct rcuwait *w)
w->task = NULL;
}
-extern void rcuwait_wake_up(struct rcuwait *w);
+/*
+ * Note: this provides no serialization and, just as with waitqueues,
+ * requires care to estimate as to whether or not the wait is active.
+ */
+static inline int rcuwait_active(struct rcuwait *w)
+{
+ return !!rcu_access_pointer(w->task);
+}
+
+extern int rcuwait_wake_up(struct rcuwait *w);
/*
* The caller is responsible for locking around rcuwait_wait_event(),
- * such that writes to @task are properly serialized.
+ * and [prepare_to/finish]_rcuwait() such that writes to @task are
+ * properly serialized.
*/
+
+static inline void prepare_to_rcuwait(struct rcuwait *w)
+{
+ rcu_assign_pointer(w->task, current);
+}
+
+static inline void finish_rcuwait(struct rcuwait *w)
+{
+ rcu_assign_pointer(w->task, NULL);
+ __set_current_state(TASK_RUNNING);
+}
+
#define rcuwait_wait_event(w, condition, state) \
({ \
int __ret = 0; \
- rcu_assign_pointer((w)->task, current); \
+ prepare_to_rcuwait(w); \
for (;;) { \
/* \
* Implicit barrier (A) pairs with (B) in \
@@ -51,9 +73,7 @@ extern void rcuwait_wake_up(struct rcuwait *w);
\
schedule(); \
} \
- \
- WRITE_ONCE((w)->task, NULL); \
- __set_current_state(TASK_RUNNING); \
+ finish_rcuwait(w); \
__ret; \
})
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 40b07168fd8e..cb666b9c6b6a 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -17,10 +17,12 @@
#include <linux/err.h>
#include <linux/bug.h>
#include <linux/lockdep.h>
+#include <linux/iopoll.h>
struct module;
struct clk;
struct device;
+struct device_node;
struct i2c_client;
struct i3c_device;
struct irq_domain;
@@ -71,6 +73,13 @@ struct reg_sequence {
unsigned int delay_us;
};
+#define REG_SEQ(_reg, _def, _delay_us) { \
+ .reg = _reg, \
+ .def = _def, \
+ .delay_us = _delay_us, \
+ }
+#define REG_SEQ0(_reg, _def) REG_SEQ(_reg, _def, 0)
+
#define regmap_update_bits(map, reg, mask, val) \
regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
#define regmap_update_bits_async(map, reg, mask, val)\
@@ -122,26 +131,10 @@ struct reg_sequence {
*/
#define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \
({ \
- u64 __timeout_us = (timeout_us); \
- unsigned long __sleep_us = (sleep_us); \
- ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
- int __ret; \
- might_sleep_if(__sleep_us); \
- for (;;) { \
- __ret = regmap_read((map), (addr), &(val)); \
- if (__ret) \
- break; \
- if (cond) \
- break; \
- if ((__timeout_us) && \
- ktime_compare(ktime_get(), __timeout) > 0) { \
- __ret = regmap_read((map), (addr), &(val)); \
- break; \
- } \
- if (__sleep_us) \
- usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
- } \
- __ret ?: ((cond) ? 0 : -ETIMEDOUT); \
+ int __ret, __tmp; \
+ __tmp = read_poll_timeout(regmap_read, __ret, __ret || (cond), \
+ sleep_us, timeout_us, false, (map), (addr), &(val)); \
+ __ret ?: __tmp; \
})
/**
@@ -209,25 +202,10 @@ struct reg_sequence {
*/
#define regmap_field_read_poll_timeout(field, val, cond, sleep_us, timeout_us) \
({ \
- u64 __timeout_us = (timeout_us); \
- unsigned long __sleep_us = (sleep_us); \
- ktime_t timeout = ktime_add_us(ktime_get(), __timeout_us); \
- int pollret; \
- might_sleep_if(__sleep_us); \
- for (;;) { \
- pollret = regmap_field_read((field), &(val)); \
- if (pollret) \
- break; \
- if (cond) \
- break; \
- if (__timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
- pollret = regmap_field_read((field), &(val)); \
- break; \
- } \
- if (__sleep_us) \
- usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
- } \
- pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
+ int __ret, __tmp; \
+ __tmp = read_poll_timeout(regmap_field_read, __ret, __ret || (cond), \
+ sleep_us, timeout_us, false, (field), &(val)); \
+ __ret ?: __tmp; \
})
#ifdef CONFIG_REGMAP
@@ -1111,6 +1089,21 @@ bool regmap_reg_in_ranges(unsigned int reg,
const struct regmap_range *ranges,
unsigned int nranges);
+static inline int regmap_set_bits(struct regmap *map,
+ unsigned int reg, unsigned int bits)
+{
+ return regmap_update_bits_base(map, reg, bits, bits,
+ NULL, false, false);
+}
+
+static inline int regmap_clear_bits(struct regmap *map,
+ unsigned int reg, unsigned int bits)
+{
+ return regmap_update_bits_base(map, reg, bits, 0, NULL, false, false);
+}
+
+int regmap_test_bits(struct regmap *map, unsigned int reg, unsigned int bits);
+
/**
* struct reg_field - Description of an register field
*
@@ -1134,6 +1127,14 @@ struct reg_field {
.msb = _msb, \
}
+#define REG_FIELD_ID(_reg, _lsb, _msb, _size, _offset) { \
+ .reg = _reg, \
+ .lsb = _lsb, \
+ .msb = _msb, \
+ .id_size = _size, \
+ .id_offset = _offset, \
+ }
+
struct regmap_field *regmap_field_alloc(struct regmap *regmap,
struct reg_field reg_field);
void regmap_field_free(struct regmap_field *field);
@@ -1310,12 +1311,21 @@ struct regmap_irq_chip_data;
int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
int irq_base, const struct regmap_irq_chip *chip,
struct regmap_irq_chip_data **data);
+int regmap_add_irq_chip_np(struct device_node *np, struct regmap *map, int irq,
+ int irq_flags, int irq_base,
+ const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data);
void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
int irq_flags, int irq_base,
const struct regmap_irq_chip *chip,
struct regmap_irq_chip_data **data);
+int devm_regmap_add_irq_chip_np(struct device *dev, struct device_node *np,
+ struct regmap *map, int irq, int irq_flags,
+ int irq_base,
+ const struct regmap_irq_chip *chip,
+ struct regmap_irq_chip_data **data);
void devm_regmap_del_irq_chip(struct device *dev, int irq,
struct regmap_irq_chip_data *data);
@@ -1410,6 +1420,27 @@ static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg,
return -EINVAL;
}
+static inline int regmap_set_bits(struct regmap *map,
+ unsigned int reg, unsigned int bits)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_clear_bits(struct regmap *map,
+ unsigned int reg, unsigned int bits)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
+static inline int regmap_test_bits(struct regmap *map,
+ unsigned int reg, unsigned int bits)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
static inline int regmap_field_update_bits_base(struct regmap_field *field,
unsigned int mask, unsigned int val,
bool *change, bool async, bool force)
diff --git a/include/linux/regulator/coupler.h b/include/linux/regulator/coupler.h
index 0212d6255e4e..5f86824bd117 100644
--- a/include/linux/regulator/coupler.h
+++ b/include/linux/regulator/coupler.h
@@ -62,6 +62,8 @@ int regulator_get_voltage_rdev(struct regulator_dev *rdev);
int regulator_set_voltage_rdev(struct regulator_dev *rdev,
int min_uV, int max_uV,
suspend_state_t state);
+int regulator_do_balance_voltage(struct regulator_dev *rdev,
+ suspend_state_t state, bool skip_coupled);
#else
static inline int regulator_coupler_register(struct regulator_coupler *coupler)
{
@@ -92,6 +94,12 @@ static inline int regulator_set_voltage_rdev(struct regulator_dev *rdev,
{
return -EINVAL;
}
+static inline int regulator_do_balance_voltage(struct regulator_dev *rdev,
+ suspend_state_t state,
+ bool skip_coupled)
+{
+ return -EINVAL;
+}
#endif
#endif
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 29d920516e0b..7eb9fea8e482 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -13,6 +13,7 @@
#define __LINUX_REGULATOR_DRIVER_H_
#include <linux/device.h>
+#include <linux/linear_range.h>
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
#include <linux/ww_mutex.h>
@@ -39,31 +40,13 @@ enum regulator_status {
REGULATOR_STATUS_UNDEFINED,
};
-/**
- * struct regulator_linear_range - specify linear voltage ranges
- *
- * Specify a range of voltages for regulator_map_linear_range() and
- * regulator_list_linear_range().
- *
- * @min_uV: Lowest voltage in range
- * @min_sel: Lowest selector for range
- * @max_sel: Highest selector for range
- * @uV_step: Step size
- */
-struct regulator_linear_range {
- unsigned int min_uV;
- unsigned int min_sel;
- unsigned int max_sel;
- unsigned int uV_step;
-};
-
-/* Initialize struct regulator_linear_range */
+/* Initialize struct linear_range for regulators */
#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \
{ \
- .min_uV = _min_uV, \
+ .min = _min_uV, \
.min_sel = _min_sel, \
.max_sel = _max_sel, \
- .uV_step = _step_uV, \
+ .step = _step_uV, \
}
/**
@@ -348,7 +331,7 @@ struct regulator_desc {
unsigned int ramp_delay;
int min_dropout_uV;
- const struct regulator_linear_range *linear_ranges;
+ const struct linear_range *linear_ranges;
const unsigned int *linear_range_selectors;
int n_linear_ranges;
diff --git a/include/linux/relay.h b/include/linux/relay.h
index c759f96e39c1..e13a333e7c37 100644
--- a/include/linux/relay.h
+++ b/include/linux/relay.h
@@ -141,7 +141,7 @@ struct rchan_callbacks
* cause relay_open() to create a single global buffer rather
* than the default set of per-cpu buffers.
*
- * See Documentation/filesystems/relay.txt for more info.
+ * See Documentation/filesystems/relay.rst for more info.
*/
struct dentry *(*create_buf_file)(const char *filename,
struct dentry *parent,
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4418f5cb8324..57a5ce9f33c5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -613,7 +613,7 @@ union rcu_special {
u8 blocked;
u8 need_qs;
u8 exp_hint; /* Hint for performance. */
- u8 deferred_qs;
+ u8 need_mb; /* Readers need smp_mb(). */
} b; /* Bits. */
u32 s; /* Set of bits. */
};
@@ -654,6 +654,7 @@ struct task_struct {
#ifdef CONFIG_SMP
struct llist_node wake_entry;
+ unsigned int wake_entry_type;
int on_cpu;
#ifdef CONFIG_THREAD_INFO_IN_TASK
/* Current CPU: */
@@ -724,6 +725,14 @@ struct task_struct {
struct list_head rcu_tasks_holdout_list;
#endif /* #ifdef CONFIG_TASKS_RCU */
+#ifdef CONFIG_TASKS_TRACE_RCU
+ int trc_reader_nesting;
+ int trc_ipi_to_cpu;
+ union rcu_special trc_reader_special;
+ bool trc_reader_checked;
+ struct list_head trc_holdout_list;
+#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
+
struct sched_info sched_info;
struct list_head tasks;
@@ -983,6 +992,7 @@ struct task_struct {
unsigned int hardirq_disable_event;
int hardirqs_enabled;
int hardirq_context;
+ u64 hardirq_chain_key;
unsigned long softirq_disable_ip;
unsigned long softirq_enable_ip;
unsigned int softirq_disable_event;
@@ -1289,6 +1299,12 @@ struct task_struct {
unsigned long prev_lowest_stack;
#endif
+#ifdef CONFIG_X86_MCE
+ u64 mce_addr;
+ u64 mce_status;
+ struct callback_head mce_kill_me;
+#endif
+
/*
* New fields for task_struct should be added above here, so that
* they are included in the randomized portion of task_struct.
@@ -1481,7 +1497,8 @@ extern struct pid *cad_pid;
#define PF_KSWAPD 0x00020000 /* I am kswapd */
#define PF_MEMALLOC_NOFS 0x00040000 /* All allocation requests will inherit GFP_NOFS */
#define PF_MEMALLOC_NOIO 0x00080000 /* All allocation requests will inherit GFP_NOIO */
-#define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */
+#define PF_LOCAL_THROTTLE 0x00100000 /* Throttle writes only against the bdi I write to,
+ * I am cleaning dirty pages from some other bdi. */
#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
#define PF_RANDOMIZE 0x00400000 /* Randomize virtual address space */
#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
@@ -1715,7 +1732,15 @@ extern char *__get_task_comm(char *to, size_t len, struct task_struct *tsk);
})
#ifdef CONFIG_SMP
-void scheduler_ipi(void);
+static __always_inline void scheduler_ipi(void)
+{
+ /*
+ * Fold TIF_NEED_RESCHED into the preempt_count; anybody setting
+ * TIF_NEED_RESCHED remotely (for the first time) will also send
+ * this IPI.
+ */
+ preempt_fold_need_resched();
+}
extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else
static inline void scheduler_ipi(void) { }
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index c49257a3b510..a132d875d351 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -49,6 +49,8 @@ static inline void mmdrop(struct mm_struct *mm)
__mmdrop(mm);
}
+void mmdrop(struct mm_struct *mm);
+
/*
* This has to be called after a get_task_mm()/mmget_not_zero()
* followed by taking the mmap_sem for writing before modifying the
diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index d4f6215ee03f..7b4d3a49b6c5 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -12,9 +12,8 @@ extern unsigned int sysctl_hung_task_panic;
extern unsigned long sysctl_hung_task_timeout_secs;
extern unsigned long sysctl_hung_task_check_interval_secs;
extern int sysctl_hung_task_warnings;
-extern int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos);
+int proc_dohung_task_timeout_secs(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
#else
/* Avoid need for ifdefs elsewhere in the code */
enum { sysctl_hung_task_timeout_secs = 0 };
@@ -43,8 +42,7 @@ extern __read_mostly unsigned int sysctl_sched_migration_cost;
extern __read_mostly unsigned int sysctl_sched_nr_migrate;
int sched_proc_update_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length,
- loff_t *ppos);
+ void *buffer, size_t *length, loff_t *ppos);
#endif
/*
@@ -72,33 +70,21 @@ extern unsigned int sysctl_sched_autogroup_enabled;
extern int sysctl_sched_rr_timeslice;
extern int sched_rr_timeslice;
-extern int sched_rr_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-
-extern int sched_rt_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-
-#ifdef CONFIG_UCLAMP_TASK
-extern int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-#endif
-
-extern int sysctl_numa_balancing(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-
-extern int sysctl_schedstats(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+int sched_rr_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
+int sched_rt_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
+int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
+int sysctl_numa_balancing(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
+int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL)
extern unsigned int sysctl_sched_energy_aware;
-extern int sched_energy_aware_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+int sched_energy_aware_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
#endif
#endif /* _LINUX_SCHED_SYSCTL_H */
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index 95253ad792b0..fb11091129b3 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -11,21 +11,20 @@
*/
#ifdef CONFIG_SMP
-#define SD_LOAD_BALANCE 0x0001 /* Do load balancing on this domain. */
-#define SD_BALANCE_NEWIDLE 0x0002 /* Balance when about to become idle */
-#define SD_BALANCE_EXEC 0x0004 /* Balance on exec */
-#define SD_BALANCE_FORK 0x0008 /* Balance on fork, clone */
-#define SD_BALANCE_WAKE 0x0010 /* Balance on wakeup */
-#define SD_WAKE_AFFINE 0x0020 /* Wake task to waking CPU */
-#define SD_ASYM_CPUCAPACITY 0x0040 /* Domain members have different CPU capacities */
-#define SD_SHARE_CPUCAPACITY 0x0080 /* Domain members share CPU capacity */
-#define SD_SHARE_POWERDOMAIN 0x0100 /* Domain members share power domain */
-#define SD_SHARE_PKG_RESOURCES 0x0200 /* Domain members share CPU pkg resources */
-#define SD_SERIALIZE 0x0400 /* Only a single load balancing instance */
-#define SD_ASYM_PACKING 0x0800 /* Place busy groups earlier in the domain */
-#define SD_PREFER_SIBLING 0x1000 /* Prefer to place tasks in a sibling domain */
-#define SD_OVERLAP 0x2000 /* sched_domains of this level overlap */
-#define SD_NUMA 0x4000 /* cross-node balancing */
+#define SD_BALANCE_NEWIDLE 0x0001 /* Balance when about to become idle */
+#define SD_BALANCE_EXEC 0x0002 /* Balance on exec */
+#define SD_BALANCE_FORK 0x0004 /* Balance on fork, clone */
+#define SD_BALANCE_WAKE 0x0008 /* Balance on wakeup */
+#define SD_WAKE_AFFINE 0x0010 /* Wake task to waking CPU */
+#define SD_ASYM_CPUCAPACITY 0x0020 /* Domain members have different CPU capacities */
+#define SD_SHARE_CPUCAPACITY 0x0040 /* Domain members share CPU capacity */
+#define SD_SHARE_POWERDOMAIN 0x0080 /* Domain members share power domain */
+#define SD_SHARE_PKG_RESOURCES 0x0100 /* Domain members share CPU pkg resources */
+#define SD_SERIALIZE 0x0200 /* Only a single load balancing instance */
+#define SD_ASYM_PACKING 0x0400 /* Place busy groups earlier in the domain */
+#define SD_PREFER_SIBLING 0x0800 /* Prefer to place tasks in a sibling domain */
+#define SD_OVERLAP 0x1000 /* sched_domains of this level overlap */
+#define SD_NUMA 0x2000 /* cross-node balancing */
#ifdef CONFIG_SCHED_SMT
static inline int cpu_smt_flags(void)
diff --git a/include/linux/scs.h b/include/linux/scs.h
new file mode 100644
index 000000000000..6dec390cf154
--- /dev/null
+++ b/include/linux/scs.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Shadow Call Stack support.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+
+#ifndef _LINUX_SCS_H
+#define _LINUX_SCS_H
+
+#include <linux/gfp.h>
+#include <linux/poison.h>
+#include <linux/sched.h>
+#include <linux/sizes.h>
+
+#ifdef CONFIG_SHADOW_CALL_STACK
+
+/*
+ * In testing, 1 KiB shadow stack size (i.e. 128 stack frames on a 64-bit
+ * architecture) provided ~40% safety margin on stack usage while keeping
+ * memory allocation overhead reasonable.
+ */
+#define SCS_SIZE SZ_1K
+#define GFP_SCS (GFP_KERNEL | __GFP_ZERO)
+
+/* An illegal pointer value to mark the end of the shadow stack. */
+#define SCS_END_MAGIC (0x5f6UL + POISON_POINTER_DELTA)
+
+/* Allocate a static per-CPU shadow stack */
+#define DEFINE_SCS(name) \
+ DEFINE_PER_CPU(unsigned long [SCS_SIZE/sizeof(long)], name) \
+
+#define task_scs(tsk) (task_thread_info(tsk)->scs_base)
+#define task_scs_sp(tsk) (task_thread_info(tsk)->scs_sp)
+
+void scs_init(void);
+int scs_prepare(struct task_struct *tsk, int node);
+void scs_release(struct task_struct *tsk);
+
+static inline void scs_task_reset(struct task_struct *tsk)
+{
+ /*
+ * Reset the shadow stack to the base address in case the task
+ * is reused.
+ */
+ task_scs_sp(tsk) = task_scs(tsk);
+}
+
+static inline unsigned long *__scs_magic(void *s)
+{
+ return (unsigned long *)(s + SCS_SIZE) - 1;
+}
+
+static inline bool task_scs_end_corrupted(struct task_struct *tsk)
+{
+ unsigned long *magic = __scs_magic(task_scs(tsk));
+ unsigned long sz = task_scs_sp(tsk) - task_scs(tsk);
+
+ return sz >= SCS_SIZE - 1 || READ_ONCE_NOCHECK(*magic) != SCS_END_MAGIC;
+}
+
+#else /* CONFIG_SHADOW_CALL_STACK */
+
+static inline void scs_init(void) {}
+static inline void scs_task_reset(struct task_struct *tsk) {}
+static inline int scs_prepare(struct task_struct *tsk, int node) { return 0; }
+static inline void scs_release(struct task_struct *tsk) {}
+static inline bool task_scs_end_corrupted(struct task_struct *tsk) { return false; }
+
+#endif /* CONFIG_SHADOW_CALL_STACK */
+
+#endif /* _LINUX_SCS_H */
diff --git a/include/linux/security.h b/include/linux/security.h
index a8d9310472df..6aa229b252ce 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -211,7 +211,7 @@ struct request_sock;
#ifdef CONFIG_MMU
extern int mmap_min_addr_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
#endif
/* security_inode_init_security callback function to write xattrs */
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 05bacd2ab135..6bb1a3f0258c 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -24,6 +24,14 @@ static inline void clear_siginfo(kernel_siginfo_t *info)
#define SI_EXPANSION_SIZE (sizeof(struct siginfo) - sizeof(struct kernel_siginfo))
+static inline void copy_siginfo_to_external(siginfo_t *to,
+ const kernel_siginfo_t *from)
+{
+ memcpy(to, from, sizeof(*from));
+ memset(((char *)to) + sizeof(struct kernel_siginfo), 0,
+ SI_EXPANSION_SIZE);
+}
+
int copy_siginfo_to_user(siginfo_t __user *to, const kernel_siginfo_t *from);
int copy_siginfo_from_user(kernel_siginfo_t *to, const siginfo_t __user *from);
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 3000c526f552..0c0377fc00c2 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1283,32 +1283,6 @@ void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
const struct flow_dissector_key *key,
unsigned int key_count);
-#ifdef CONFIG_NET
-int skb_flow_dissector_prog_query(const union bpf_attr *attr,
- union bpf_attr __user *uattr);
-int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
- struct bpf_prog *prog);
-
-int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr);
-#else
-static inline int skb_flow_dissector_prog_query(const union bpf_attr *attr,
- union bpf_attr __user *uattr)
-{
- return -EOPNOTSUPP;
-}
-
-static inline int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
- struct bpf_prog *prog)
-{
- return -EOPNOTSUPP;
-}
-
-static inline int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
-{
- return -EOPNOTSUPP;
-}
-#endif
-
struct bpf_flow_dissector;
bool bpf_flow_dissect(struct bpf_prog *prog, struct bpf_flow_dissector *ctx,
__be16 proto, int nhoff, int hlen, unsigned int flags);
@@ -3945,6 +3919,14 @@ static inline void __skb_incr_checksum_unnecessary(struct sk_buff *skb)
}
}
+static inline void __skb_reset_checksum_unnecessary(struct sk_buff *skb)
+{
+ if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+ skb->ip_summed = CHECKSUM_NONE;
+ skb->csum_level = 0;
+ }
+}
+
/* Check if we need to perform checksum complete validation.
*
* Returns true if checksum complete is needed, false otherwise
@@ -4165,7 +4147,7 @@ struct skb_ext {
char data[] __aligned(8);
};
-struct skb_ext *__skb_ext_alloc(void);
+struct skb_ext *__skb_ext_alloc(gfp_t flags);
void *__skb_ext_set(struct sk_buff *skb, enum skb_ext_id id,
struct skb_ext *ext);
void *skb_ext_add(struct sk_buff *skb, enum skb_ext_id id);
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 8a709f63c5e5..08674cd14d5a 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -187,6 +187,7 @@ static inline void sk_msg_xfer(struct sk_msg *dst, struct sk_msg *src,
dst->sg.data[which] = src->sg.data[which];
dst->sg.data[which].length = size;
dst->sg.size += size;
+ src->sg.size -= size;
src->sg.data[which].length -= size;
src->sg.data[which].offset += size;
}
@@ -436,4 +437,12 @@ static inline void psock_progs_drop(struct sk_psock_progs *progs)
psock_set_prog(&progs->skb_verdict, NULL);
}
+int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb);
+
+static inline bool sk_psock_strp_enabled(struct sk_psock *psock)
+{
+ if (!psock)
+ return false;
+ return psock->parser.enabled;
+}
#endif /* _LINUX_SKMSG_H */
diff --git a/include/linux/smp.h b/include/linux/smp.h
index cbc9162689d0..7ee202ad21a6 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -16,17 +16,39 @@
typedef void (*smp_call_func_t)(void *info);
typedef bool (*smp_cond_func_t)(int cpu, void *info);
+
+enum {
+ CSD_FLAG_LOCK = 0x01,
+
+ /* IRQ_WORK_flags */
+
+ CSD_TYPE_ASYNC = 0x00,
+ CSD_TYPE_SYNC = 0x10,
+ CSD_TYPE_IRQ_WORK = 0x20,
+ CSD_TYPE_TTWU = 0x30,
+ CSD_FLAG_TYPE_MASK = 0xF0,
+};
+
+/*
+ * structure shares (partial) layout with struct irq_work
+ */
struct __call_single_data {
struct llist_node llist;
+ unsigned int flags;
smp_call_func_t func;
void *info;
- unsigned int flags;
};
/* Use __aligned() to avoid to use 2 cache lines for 1 csd */
typedef struct __call_single_data call_single_data_t
__aligned(sizeof(struct __call_single_data));
+/*
+ * Enqueue a llist_node on the call_single_queue; be very careful, read
+ * flush_smp_call_function_queue() in detail.
+ */
+extern void __smp_call_single_queue(int cpu, struct llist_node *node);
+
/* total number of cpus in this system (may exceed NR_CPUS) */
extern unsigned int total_cpus;
@@ -227,8 +249,8 @@ static inline int get_boot_cpu_id(void)
*/
extern void arch_disable_smp_support(void);
-extern void arch_enable_nonboot_cpus_begin(void);
-extern void arch_enable_nonboot_cpus_end(void);
+extern void arch_thaw_secondary_cpus_begin(void);
+extern void arch_thaw_secondary_cpus_end(void);
void smp_setup_processor_id(void);
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 54338fac45cb..04d2bc97f497 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -50,7 +50,17 @@ struct msghdr {
void *msg_name; /* ptr to socket address structure */
int msg_namelen; /* size of socket address structure */
struct iov_iter msg_iter; /* data */
- void *msg_control; /* ancillary data */
+
+ /*
+ * Ancillary data. msg_control_user is the user buffer used for the
+ * recv* side when msg_control_is_user is set, msg_control is the kernel
+ * buffer used for all other cases.
+ */
+ union {
+ void *msg_control;
+ void __user *msg_control_user;
+ };
+ bool msg_control_is_user : 1;
__kernel_size_t msg_controllen; /* ancillary data buffer length */
unsigned int msg_flags; /* flags on received message */
struct kiocb *msg_iocb; /* ptr to iocb for async requests */
@@ -94,7 +104,10 @@ struct cmsghdr {
#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
-#define CMSG_DATA(cmsg) ((void *)((char *)(cmsg) + sizeof(struct cmsghdr)))
+#define CMSG_DATA(cmsg) \
+ ((void *)(cmsg) + sizeof(struct cmsghdr))
+#define CMSG_USER_DATA(cmsg) \
+ ((void __user *)(cmsg) + sizeof(struct cmsghdr))
#define CMSG_SPACE(len) (sizeof(struct cmsghdr) + CMSG_ALIGN(len))
#define CMSG_LEN(len) (sizeof(struct cmsghdr) + (len))
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h
index 38286de779e3..aac57b5b7c21 100644
--- a/include/linux/spi/spi.h
+++ b/include/linux/spi/spi.h
@@ -394,6 +394,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv)
* for example doing DMA mapping. Called from threaded
* context.
* @transfer_one: transfer a single spi_transfer.
+ *
* - return 0 if the transfer is finished,
* - return 1 if the transfer is still in progress. When
* the driver is finished with this transfer it must
diff --git a/include/linux/splice.h b/include/linux/splice.h
index ebbbfea48aa0..5c47013f708e 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -82,6 +82,9 @@ extern long do_splice(struct file *in, loff_t __user *off_in,
struct file *out, loff_t __user *off_out,
size_t len, unsigned int flags);
+extern long do_tee(struct file *in, struct file *out, size_t len,
+ unsigned int flags);
+
/*
* for dynamic pipe sizing
*/
diff --git a/include/linux/stat.h b/include/linux/stat.h
index 528c4baad091..56614af83d4a 100644
--- a/include/linux/stat.h
+++ b/include/linux/stat.h
@@ -47,6 +47,7 @@ struct kstat {
struct timespec64 ctime;
struct timespec64 btime; /* File creation time */
u64 blocks;
+ u64 mnt_id;
};
#endif
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index fbafb353e9be..bd964c31d333 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -177,6 +177,8 @@ struct plat_stmmacenet_data {
struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES];
void (*fix_mac_speed)(void *priv, unsigned int speed);
+ int (*serdes_powerup)(struct net_device *ndev, void *priv);
+ void (*serdes_powerdown)(struct net_device *ndev, void *priv);
int (*init)(struct platform_device *pdev, void *priv);
void (*exit)(struct platform_device *pdev, void *priv);
struct mac_device_info *(*setup)(void *priv);
diff --git a/include/linux/string.h b/include/linux/string.h
index 6dfbb2efa815..9b7a0632e87a 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -272,6 +272,31 @@ void __read_overflow3(void) __compiletime_error("detected read beyond size of ob
void __write_overflow(void) __compiletime_error("detected write beyond size of object passed as 1st parameter");
#if !defined(__NO_FORTIFY) && defined(__OPTIMIZE__) && defined(CONFIG_FORTIFY_SOURCE)
+
+#ifdef CONFIG_KASAN
+extern void *__underlying_memchr(const void *p, int c, __kernel_size_t size) __RENAME(memchr);
+extern int __underlying_memcmp(const void *p, const void *q, __kernel_size_t size) __RENAME(memcmp);
+extern void *__underlying_memcpy(void *p, const void *q, __kernel_size_t size) __RENAME(memcpy);
+extern void *__underlying_memmove(void *p, const void *q, __kernel_size_t size) __RENAME(memmove);
+extern void *__underlying_memset(void *p, int c, __kernel_size_t size) __RENAME(memset);
+extern char *__underlying_strcat(char *p, const char *q) __RENAME(strcat);
+extern char *__underlying_strcpy(char *p, const char *q) __RENAME(strcpy);
+extern __kernel_size_t __underlying_strlen(const char *p) __RENAME(strlen);
+extern char *__underlying_strncat(char *p, const char *q, __kernel_size_t count) __RENAME(strncat);
+extern char *__underlying_strncpy(char *p, const char *q, __kernel_size_t size) __RENAME(strncpy);
+#else
+#define __underlying_memchr __builtin_memchr
+#define __underlying_memcmp __builtin_memcmp
+#define __underlying_memcpy __builtin_memcpy
+#define __underlying_memmove __builtin_memmove
+#define __underlying_memset __builtin_memset
+#define __underlying_strcat __builtin_strcat
+#define __underlying_strcpy __builtin_strcpy
+#define __underlying_strlen __builtin_strlen
+#define __underlying_strncat __builtin_strncat
+#define __underlying_strncpy __builtin_strncpy
+#endif
+
__FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size)
{
size_t p_size = __builtin_object_size(p, 0);
@@ -279,14 +304,14 @@ __FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size)
__write_overflow();
if (p_size < size)
fortify_panic(__func__);
- return __builtin_strncpy(p, q, size);
+ return __underlying_strncpy(p, q, size);
}
__FORTIFY_INLINE char *strcat(char *p, const char *q)
{
size_t p_size = __builtin_object_size(p, 0);
if (p_size == (size_t)-1)
- return __builtin_strcat(p, q);
+ return __underlying_strcat(p, q);
if (strlcat(p, q, p_size) >= p_size)
fortify_panic(__func__);
return p;
@@ -300,7 +325,7 @@ __FORTIFY_INLINE __kernel_size_t strlen(const char *p)
/* Work around gcc excess stack consumption issue */
if (p_size == (size_t)-1 ||
(__builtin_constant_p(p[p_size - 1]) && p[p_size - 1] == '\0'))
- return __builtin_strlen(p);
+ return __underlying_strlen(p);
ret = strnlen(p, p_size);
if (p_size <= ret)
fortify_panic(__func__);
@@ -333,7 +358,7 @@ __FORTIFY_INLINE size_t strlcpy(char *p, const char *q, size_t size)
__write_overflow();
if (len >= p_size)
fortify_panic(__func__);
- __builtin_memcpy(p, q, len);
+ __underlying_memcpy(p, q, len);
p[len] = '\0';
}
return ret;
@@ -346,12 +371,12 @@ __FORTIFY_INLINE char *strncat(char *p, const char *q, __kernel_size_t count)
size_t p_size = __builtin_object_size(p, 0);
size_t q_size = __builtin_object_size(q, 0);
if (p_size == (size_t)-1 && q_size == (size_t)-1)
- return __builtin_strncat(p, q, count);
+ return __underlying_strncat(p, q, count);
p_len = strlen(p);
copy_len = strnlen(q, count);
if (p_size < p_len + copy_len + 1)
fortify_panic(__func__);
- __builtin_memcpy(p + p_len, q, copy_len);
+ __underlying_memcpy(p + p_len, q, copy_len);
p[p_len + copy_len] = '\0';
return p;
}
@@ -363,7 +388,7 @@ __FORTIFY_INLINE void *memset(void *p, int c, __kernel_size_t size)
__write_overflow();
if (p_size < size)
fortify_panic(__func__);
- return __builtin_memset(p, c, size);
+ return __underlying_memset(p, c, size);
}
__FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size)
@@ -378,7 +403,7 @@ __FORTIFY_INLINE void *memcpy(void *p, const void *q, __kernel_size_t size)
}
if (p_size < size || q_size < size)
fortify_panic(__func__);
- return __builtin_memcpy(p, q, size);
+ return __underlying_memcpy(p, q, size);
}
__FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size)
@@ -393,7 +418,7 @@ __FORTIFY_INLINE void *memmove(void *p, const void *q, __kernel_size_t size)
}
if (p_size < size || q_size < size)
fortify_panic(__func__);
- return __builtin_memmove(p, q, size);
+ return __underlying_memmove(p, q, size);
}
extern void *__real_memscan(void *, int, __kernel_size_t) __RENAME(memscan);
@@ -419,7 +444,7 @@ __FORTIFY_INLINE int memcmp(const void *p, const void *q, __kernel_size_t size)
}
if (p_size < size || q_size < size)
fortify_panic(__func__);
- return __builtin_memcmp(p, q, size);
+ return __underlying_memcmp(p, q, size);
}
__FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size)
@@ -429,7 +454,7 @@ __FORTIFY_INLINE void *memchr(const void *p, int c, __kernel_size_t size)
__read_overflow();
if (p_size < size)
fortify_panic(__func__);
- return __builtin_memchr(p, c, size);
+ return __underlying_memchr(p, c, size);
}
void *__real_memchr_inv(const void *s, int c, size_t n) __RENAME(memchr_inv);
@@ -460,11 +485,22 @@ __FORTIFY_INLINE char *strcpy(char *p, const char *q)
size_t p_size = __builtin_object_size(p, 0);
size_t q_size = __builtin_object_size(q, 0);
if (p_size == (size_t)-1 && q_size == (size_t)-1)
- return __builtin_strcpy(p, q);
+ return __underlying_strcpy(p, q);
memcpy(p, q, strlen(q) + 1);
return p;
}
+/* Don't use these outside the FORITFY_SOURCE implementation */
+#undef __underlying_memchr
+#undef __underlying_memcmp
+#undef __underlying_memcpy
+#undef __underlying_memmove
+#undef __underlying_memset
+#undef __underlying_strcat
+#undef __underlying_strcpy
+#undef __underlying_strlen
+#undef __underlying_strncat
+#undef __underlying_strncpy
#endif
/**
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index ca7e108248e2..02e7a5863d28 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -71,7 +71,13 @@ struct rpc_clnt {
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
struct dentry *cl_debugfs; /* debugfs directory */
#endif
- struct rpc_xprt_iter cl_xpi;
+ /* cl_work is only needed after cl_xpi is no longer used,
+ * and that are of similar size
+ */
+ union {
+ struct rpc_xprt_iter cl_xpi;
+ struct work_struct cl_work;
+ };
const struct cred *cl_cred;
};
@@ -236,4 +242,9 @@ static inline int rpc_reply_expected(struct rpc_task *task)
(task->tk_msg.rpc_proc->p_decode != NULL);
}
+static inline void rpc_task_close_connection(struct rpc_task *task)
+{
+ if (task->tk_xprt)
+ xprt_force_disconnect(task->tk_xprt);
+}
#endif /* _LINUX_SUNRPC_CLNT_H */
diff --git a/include/linux/sunrpc/gss_api.h b/include/linux/sunrpc/gss_api.h
index 48c1b1674cbf..bc07e51f20d1 100644
--- a/include/linux/sunrpc/gss_api.h
+++ b/include/linux/sunrpc/gss_api.h
@@ -21,6 +21,7 @@
struct gss_ctx {
struct gss_api_mech *mech_type;
void *internal_ctx_id;
+ unsigned int slack, align;
};
#define GSS_C_NO_BUFFER ((struct xdr_netobj) 0)
@@ -66,6 +67,7 @@ u32 gss_wrap(
u32 gss_unwrap(
struct gss_ctx *ctx_id,
int offset,
+ int len,
struct xdr_buf *inbuf);
u32 gss_delete_sec_context(
struct gss_ctx **ctx_id);
@@ -126,6 +128,7 @@ struct gss_api_ops {
u32 (*gss_unwrap)(
struct gss_ctx *ctx_id,
int offset,
+ int len,
struct xdr_buf *buf);
void (*gss_delete_sec_context)(
void *internal_ctx_id);
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index c1d77dd8ed41..e8f8ffe7448b 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -83,7 +83,7 @@ struct gss_krb5_enctype {
u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
struct xdr_buf *buf,
struct page **pages); /* v2 encryption function */
- u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
+ u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset, u32 len,
struct xdr_buf *buf, u32 *headskip,
u32 *tailskip); /* v2 decryption function */
};
@@ -255,7 +255,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
struct xdr_buf *outbuf, struct page **pages);
u32
-gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
+gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset, int len,
struct xdr_buf *buf);
@@ -312,7 +312,7 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
struct page **pages);
u32
-gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset,
+gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, u32 len,
struct xdr_buf *buf, u32 *plainoffset,
u32 *plainlen);
diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index 78fe2ac6dc6c..cbcfbd0521e3 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -170,6 +170,7 @@ extern bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma);
extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
struct svc_rdma_recv_ctxt *ctxt);
extern void svc_rdma_flush_recv_queues(struct svcxprt_rdma *rdma);
+extern void svc_rdma_release_rqst(struct svc_rqst *rqstp);
extern int svc_rdma_recvfrom(struct svc_rqst *);
/* svc_rdma_rw.c */
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 01bb41908c93..22c207b2425f 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -184,6 +184,7 @@ xdr_adjust_iovec(struct kvec *iov, __be32 *p)
extern void xdr_shift_buf(struct xdr_buf *, size_t);
extern void xdr_buf_from_iov(struct kvec *, struct xdr_buf *);
extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, unsigned int, unsigned int);
+extern void xdr_buf_trim(struct xdr_buf *, unsigned int);
extern int read_bytes_from_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);
extern int write_bytes_to_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);
diff --git a/include/linux/suspend.h b/include/linux/suspend.h
index 4fcc6fd0cbd6..b960098acfb0 100644
--- a/include/linux/suspend.h
+++ b/include/linux/suspend.h
@@ -466,6 +466,12 @@ static inline bool system_entering_hibernation(void) { return false; }
static inline bool hibernation_available(void) { return false; }
#endif /* CONFIG_HIBERNATION */
+#ifdef CONFIG_HIBERNATION_SNAPSHOT_DEV
+int is_hibernate_resume_dev(const struct inode *);
+#else
+static inline int is_hibernate_resume_dev(const struct inode *i) { return 0; }
+#endif
+
/* Hibernation and suspend events */
#define PM_HIBERNATION_PREPARE 0x0001 /* Going to hibernate */
#define PM_POST_HIBERNATION 0x0002 /* Hibernation finished */
diff --git a/include/linux/swait.h b/include/linux/swait.h
index 73e06e9986d4..6a8c22b8c2a5 100644
--- a/include/linux/swait.h
+++ b/include/linux/swait.h
@@ -9,23 +9,10 @@
#include <asm/current.h>
/*
- * BROKEN wait-queues.
- *
- * These "simple" wait-queues are broken garbage, and should never be
- * used. The comments below claim that they are "similar" to regular
- * wait-queues, but the semantics are actually completely different, and
- * every single user we have ever had has been buggy (or pointless).
- *
- * A "swake_up_one()" only wakes up _one_ waiter, which is not at all what
- * "wake_up()" does, and has led to problems. In other cases, it has
- * been fine, because there's only ever one waiter (kvm), but in that
- * case gthe whole "simple" wait-queue is just pointless to begin with,
- * since there is no "queue". Use "wake_up_process()" with a direct
- * pointer instead.
- *
- * While these are very similar to regular wait queues (wait.h) the most
- * important difference is that the simple waitqueue allows for deterministic
- * behaviour -- IOW it has strictly bounded IRQ and lock hold times.
+ * Simple waitqueues are semantically very different to regular wait queues
+ * (wait.h). The most important difference is that the simple waitqueue allows
+ * for deterministic behaviour -- IOW it has strictly bounded IRQ and lock hold
+ * times.
*
* Mainly, this is accomplished by two things. Firstly not allowing swake_up_all
* from IRQ disabled, and dropping the lock upon every wakeup, giving a higher
@@ -39,7 +26,7 @@
* sleeper state.
*
* - the !exclusive mode; because that leads to O(n) wakeups, everything is
- * exclusive.
+ * exclusive. As such swake_up_one will only ever awake _one_ waiter.
*
* - custom wake callback functions; because you cannot give any guarantees
* about random code. This also allows swait to be used in RT, such that
diff --git a/include/linux/swap.h b/include/linux/swap.h
index e1bbf7a16b27..4c5974bb9ba9 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -183,12 +183,17 @@ enum {
#define SWAP_CLUSTER_MAX 32UL
#define COMPACT_CLUSTER_MAX SWAP_CLUSTER_MAX
-#define SWAP_MAP_MAX 0x3e /* Max duplication count, in first swap_map */
-#define SWAP_MAP_BAD 0x3f /* Note pageblock is bad, in first swap_map */
+/* Bit flag in swap_map */
#define SWAP_HAS_CACHE 0x40 /* Flag page is cached, in first swap_map */
-#define SWAP_CONT_MAX 0x7f /* Max count, in each swap_map continuation */
-#define COUNT_CONTINUED 0x80 /* See swap_map continuation for full count */
-#define SWAP_MAP_SHMEM 0xbf /* Owned by shmem/tmpfs, in first swap_map */
+#define COUNT_CONTINUED 0x80 /* Flag swap_map continuation for full count */
+
+/* Special value in first swap_map */
+#define SWAP_MAP_MAX 0x3e /* Max count */
+#define SWAP_MAP_BAD 0x3f /* Note page is bad */
+#define SWAP_MAP_SHMEM 0xbf /* Owned by shmem/tmpfs */
+
+/* Special value in each swap_map continuation */
+#define SWAP_CONT_MAX 0x7f /* Max count */
/*
* We use this to track usage of a cluster. A cluster is a block of swap disk
@@ -247,6 +252,7 @@ struct swap_info_struct {
unsigned int inuse_pages; /* number of those currently in use */
unsigned int cluster_next; /* likely index for next allocation */
unsigned int cluster_nr; /* countdown to next cluster search */
+ unsigned int __percpu *cluster_next_cpu; /*percpu index for next allocation */
struct percpu_cluster __percpu *percpu_cluster; /* per cpu's swap location */
struct rb_root swap_extent_root;/* root of the swap extent rbtree */
struct block_device *bdev; /* swap device or bdev of swap file */
@@ -328,15 +334,17 @@ extern unsigned long nr_free_pagecache_pages(void);
/* linux/mm/swap.c */
+extern void lru_note_cost(struct lruvec *lruvec, bool file,
+ unsigned int nr_pages);
+extern void lru_note_cost_page(struct page *);
extern void lru_cache_add(struct page *);
-extern void lru_cache_add_anon(struct page *page);
-extern void lru_cache_add_file(struct page *page);
extern void lru_add_page_tail(struct page *page, struct page *page_tail,
struct lruvec *lruvec, struct list_head *head);
extern void activate_page(struct page *);
extern void mark_page_accessed(struct page *);
extern void lru_add_drain(void);
extern void lru_add_drain_cpu(int cpu);
+extern void lru_add_drain_cpu_zone(struct zone *zone);
extern void lru_add_drain_all(void);
extern void rotate_reclaimable_page(struct page *page);
extern void deactivate_file_page(struct page *page);
@@ -408,7 +416,6 @@ extern unsigned long total_swapcache_pages(void);
extern void show_swap_cache_info(void);
extern int add_to_swap(struct page *page);
extern int add_to_swap_cache(struct page *, swp_entry_t, gfp_t);
-extern int __add_to_swap_cache(struct page *page, swp_entry_t entry);
extern void __delete_from_swap_cache(struct page *, swp_entry_t entry);
extern void delete_from_swap_cache(struct page *);
extern void free_page_and_swap_cache(struct page *);
@@ -645,11 +652,9 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem)
#endif
#if defined(CONFIG_SWAP) && defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-extern void mem_cgroup_throttle_swaprate(struct mem_cgroup *memcg, int node,
- gfp_t gfp_mask);
+extern void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask);
#else
-static inline void mem_cgroup_throttle_swaprate(struct mem_cgroup *memcg,
- int node, gfp_t gfp_mask)
+static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
{
}
#endif
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 1815065d52f3..7c354c2955f5 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -428,6 +428,8 @@ asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length);
#endif
asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode);
+asmlinkage long sys_faccessat2(int dfd, const char __user *filename, int mode,
+ int flags);
asmlinkage long sys_chdir(const char __user *filename);
asmlinkage long sys_fchdir(unsigned int fd);
asmlinkage long sys_chroot(const char __user *filename);
@@ -1333,11 +1335,11 @@ static inline int ksys_chmod(const char __user *filename, umode_t mode)
return do_fchmodat(AT_FDCWD, filename, mode);
}
-extern long do_faccessat(int dfd, const char __user *filename, int mode);
+long do_faccessat(int dfd, const char __user *filename, int mode, int flags);
static inline long ksys_access(const char __user *filename, int mode)
{
- return do_faccessat(AT_FDCWD, filename, mode);
+ return do_faccessat(AT_FDCWD, filename, mode, 0);
}
extern int do_fchownat(int dfd, const char __user *filename, uid_t user,
diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 02fa84493f23..f2401e45a3c2 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -44,35 +44,26 @@ struct ctl_dir;
extern const int sysctl_vals[];
-typedef int proc_handler (struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
-
-extern int proc_dostring(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_dointvec(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_douintvec(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_dointvec_minmax(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_douintvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-extern int proc_dointvec_jiffies(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_dointvec_ms_jiffies(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_doulongvec_minmax(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int,
- void __user *, size_t *, loff_t *);
-extern int proc_do_large_bitmap(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
-extern int proc_do_static_key(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+typedef int proc_handler(struct ctl_table *ctl, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
+
+int proc_dostring(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_dointvec(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_douintvec(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_dointvec_minmax(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_douintvec_minmax(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
+int proc_dointvec_jiffies(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_dointvec_userhz_jiffies(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int proc_dointvec_ms_jiffies(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
+int proc_doulongvec_minmax(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int, void *,
+ size_t *, loff_t *);
+int proc_do_large_bitmap(struct ctl_table *, int, void *, size_t *, loff_t *);
+int proc_do_static_key(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
/*
* Register a set of sysctl names by calling register_sysctl_table
@@ -207,7 +198,15 @@ void unregister_sysctl_table(struct ctl_table_header * table);
extern int sysctl_init(void);
+extern int pwrsw_enabled;
+extern int unaligned_enabled;
+extern int unaligned_dump_stack;
+extern int no_unaligned_warning;
+
extern struct ctl_table sysctl_mount_point[];
+extern struct ctl_table random_table[];
+extern struct ctl_table firmware_config_table[];
+extern struct ctl_table epoll_table[];
#else /* CONFIG_SYSCTL */
static inline struct ctl_table_header *register_sysctl_table(struct ctl_table * table)
@@ -238,7 +237,7 @@ static inline void setup_sysctl_set(struct ctl_table_set *p,
#endif /* CONFIG_SYSCTL */
-int sysctl_max_threads(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+int sysctl_max_threads(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
#endif /* _LINUX_SYSCTL_H */
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 80bb865b3a33..86067dbe7745 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -7,7 +7,7 @@
* Copyright (c) 2007 SUSE Linux Products GmbH
* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
*
- * Please see Documentation/filesystems/sysfs.txt for more information.
+ * Please see Documentation/filesystems/sysfs.rst for more information.
*/
#ifndef _SYSFS_H_
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index 5424bc6feac8..c7e424766360 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -121,13 +121,7 @@ struct tboot {
#define TBOOT_UUID {0xff, 0x8d, 0x3c, 0x66, 0xb3, 0xe8, 0x82, 0x4b, 0xbf,\
0xaa, 0x19, 0xea, 0x4d, 0x5, 0x7a, 0x8}
-extern struct tboot *tboot;
-
-static inline int tboot_enabled(void)
-{
- return tboot != NULL;
-}
-
+bool tboot_enabled(void);
extern void tboot_probe(void);
extern void tboot_shutdown(u32 shutdown_type);
extern struct acpi_table_header *tboot_get_dmar_table(
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 421c99c12291..9aac824c523c 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -78,47 +78,6 @@ struct tcp_sack_block {
#define TCP_SACK_SEEN (1 << 0) /*1 = peer is SACK capable, */
#define TCP_DSACK_SEEN (1 << 2) /*1 = DSACK was received from peer*/
-#if IS_ENABLED(CONFIG_MPTCP)
-struct mptcp_options_received {
- u64 sndr_key;
- u64 rcvr_key;
- u64 data_ack;
- u64 data_seq;
- u32 subflow_seq;
- u16 data_len;
- u16 mp_capable : 1,
- mp_join : 1,
- dss : 1,
- add_addr : 1,
- rm_addr : 1,
- family : 4,
- echo : 1,
- backup : 1;
- u32 token;
- u32 nonce;
- u64 thmac;
- u8 hmac[20];
- u8 join_id;
- u8 use_map:1,
- dsn64:1,
- data_fin:1,
- use_ack:1,
- ack64:1,
- mpc_map:1,
- __unused:2;
- u8 addr_id;
- u8 rm_id;
- union {
- struct in_addr addr;
-#if IS_ENABLED(CONFIG_MPTCP_IPV6)
- struct in6_addr addr6;
-#endif
- };
- u64 ahmac;
- u16 port;
-};
-#endif
-
struct tcp_options_received {
/* PAWS/RTTM data */
int ts_recent_stamp;/* Time we stored ts_recent (for aging) */
@@ -136,9 +95,6 @@ struct tcp_options_received {
u8 num_sacks; /* Number of SACK blocks */
u16 user_mss; /* mss requested by user in ioctl */
u16 mss_clamp; /* Maximal mss, negotiated at connection setup */
-#if IS_ENABLED(CONFIG_MPTCP)
- struct mptcp_options_received mptcp;
-#endif
};
static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
@@ -148,13 +104,6 @@ static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
#if IS_ENABLED(CONFIG_SMC)
rx_opt->smc_ok = 0;
#endif
-#if IS_ENABLED(CONFIG_MPTCP)
- rx_opt->mptcp.mp_capable = 0;
- rx_opt->mptcp.mp_join = 0;
- rx_opt->mptcp.add_addr = 0;
- rx_opt->mptcp.rm_addr = 0;
- rx_opt->mptcp.dss = 0;
-#endif
}
/* This is the max number of SACKS that we'll generate and process. It's safe
@@ -171,6 +120,9 @@ struct tcp_request_sock {
u64 snt_synack; /* first SYNACK sent time */
bool tfo_listener;
bool is_mptcp;
+#if IS_ENABLED(CONFIG_MPTCP)
+ bool drop_req;
+#endif
u32 txhash;
u32 rcv_isn;
u32 snt_isn;
@@ -268,6 +220,7 @@ struct tcp_sock {
} rack;
u16 advmss; /* Advertised MSS */
u8 compressed_ack;
+ u8 dup_ack_counter;
u32 chrono_start; /* Start time in jiffies of a TCP chrono */
u32 chrono_stat[3]; /* Time in jiffies for chrono_stat stats */
u8 chrono_type:2, /* current chronograph type */
@@ -544,4 +497,13 @@ static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss)
int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount,
int shiftlen);
+void tcp_sock_set_cork(struct sock *sk, bool on);
+int tcp_sock_set_keepcnt(struct sock *sk, int val);
+int tcp_sock_set_keepidle(struct sock *sk, int val);
+int tcp_sock_set_keepintvl(struct sock *sk, int val);
+void tcp_sock_set_nodelay(struct sock *sk);
+void tcp_sock_set_quickack(struct sock *sk, int val);
+int tcp_sock_set_syncnt(struct sock *sk, int val);
+void tcp_sock_set_user_timeout(struct sock *sk, u32 val);
+
#endif /* _LINUX_TCP_H */
diff --git a/include/linux/timer.h b/include/linux/timer.h
index 0dc19a8c39c9..07910ae5ddd9 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -201,8 +201,7 @@ struct ctl_table;
extern unsigned int sysctl_timer_migration;
int timer_migration_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
#endif
unsigned long __round_jiffies(unsigned long j, int cpu);
diff --git a/include/linux/torture.h b/include/linux/torture.h
index 6241f59e2d6f..629b66e6c161 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -89,7 +89,7 @@ void _torture_stop_kthread(char *m, struct task_struct **tp);
#ifdef CONFIG_PREEMPTION
#define torture_preempt_schedule() preempt_schedule()
#else
-#define torture_preempt_schedule()
+#define torture_preempt_schedule() do { } while (0)
#endif
#endif /* __LINUX_TORTURE_H */
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index c253461b1c4e..4f8c90c93c29 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -97,7 +97,7 @@ struct tcg_pcr_event {
u32 event_type;
u8 digest[20];
u32 event_size;
- u8 event[0];
+ u8 event[];
} __packed;
struct tcg_event_field {
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index 1fb11daa5c53..a1fecf311621 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -156,8 +156,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
* Note, the proto and args passed in includes "__data" as the first parameter.
* The reason for this is to handle the "void" prototype. If a tracepoint
* has a "void" prototype, then it is invalid to declare a function
- * as "(void *, void)". The DECLARE_TRACE_NOARGS() will pass in just
- * "void *data", where as the DECLARE_TRACE() will pass in "void *data, proto".
+ * as "(void *, void)".
*/
#define __DO_TRACE(tp, proto, args, cond, rcuidle) \
do { \
@@ -373,25 +372,6 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
# define __tracepoint_string
#endif
-/*
- * The need for the DECLARE_TRACE_NOARGS() is to handle the prototype
- * (void). "void" is a special value in a function prototype and can
- * not be combined with other arguments. Since the DECLARE_TRACE()
- * macro adds a data element at the beginning of the prototype,
- * we need a way to differentiate "(void *data, proto)" from
- * "(void *data, void)". The second prototype is invalid.
- *
- * DECLARE_TRACE_NOARGS() passes "void" as the tracepoint prototype
- * and "void *__data" as the callback prototype.
- *
- * DECLARE_TRACE() passes "proto" as the tracepoint protoype and
- * "void *__data, proto" as the callback prototype.
- */
-#define DECLARE_TRACE_NOARGS(name) \
- __DECLARE_TRACE(name, void, , \
- cpu_online(raw_smp_processor_id()), \
- void *__data, __data)
-
#define DECLARE_TRACE(name, proto, args) \
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
cpu_online(raw_smp_processor_id()), \
diff --git a/include/linux/tty.h b/include/linux/tty.h
index bd5fe0e907e8..a99e9b8e4e31 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -66,7 +66,7 @@ struct tty_buffer {
int read;
int flags;
/* Data points here */
- unsigned long data[0];
+ unsigned long data[];
};
/* Values for .flags field of tty_buffer */
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 67f016010aad..9861c89f93be 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -378,6 +378,14 @@ extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count);
static inline unsigned long user_access_save(void) { return 0UL; }
static inline void user_access_restore(unsigned long flags) { }
#endif
+#ifndef user_write_access_begin
+#define user_write_access_begin user_access_begin
+#define user_write_access_end user_access_end
+#endif
+#ifndef user_read_access_begin
+#define user_read_access_begin user_access_begin
+#define user_read_access_end user_access_end
+#endif
#ifdef CONFIG_HARDENED_USERCOPY
void usercopy_warn(const char *name, const char *detail, bool to_user,
diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h
index 733acfb7ef84..5453af87a33e 100644
--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -164,7 +164,7 @@ struct vdpa_config_ops {
u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx);
/* Device ops */
- u16 (*get_vq_align)(struct vdpa_device *vdev);
+ u32 (*get_vq_align)(struct vdpa_device *vdev);
u64 (*get_features)(struct vdpa_device *vdev);
int (*set_features)(struct vdpa_device *vdev, u64 features);
void (*set_config_cb)(struct vdpa_device *vdev,
diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h
index 9aced11e9000..1eaaa93c37bf 100644
--- a/include/linux/vermagic.h
+++ b/include/linux/vermagic.h
@@ -1,5 +1,13 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_VERMAGIC_H
+#define _LINUX_VERMAGIC_H
+
+#ifndef INCLUDE_VERMAGIC
+#error "This header can be included from kernel/module.c or *.mod.c only"
+#endif
+
#include <generated/utsrelease.h>
+#include <asm/vermagic.h>
/* Simply sanity version stamp for modules. */
#ifdef CONFIG_SMP
@@ -24,9 +32,6 @@
#else
#define MODULE_VERMAGIC_MODVERSIONS ""
#endif
-#ifndef MODULE_ARCH_VERMAGIC
-#define MODULE_ARCH_VERMAGIC ""
-#endif
#ifdef RANDSTRUCT_PLUGIN
#include <generated/randomize_layout_hash.h>
#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED
@@ -41,3 +46,4 @@
MODULE_ARCH_VERMAGIC \
MODULE_RANDSTRUCT_PLUGIN
+#endif /* _LINUX_VERMAGIC_H */
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 15f906e4a748..a493eac08393 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -9,7 +9,6 @@
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/gfp.h>
-#include <linux/vringh.h>
/**
* virtqueue - a queue to register buffers for sending or receiving.
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 0d1fe9297ac6..e8a924eeea3d 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -3,6 +3,8 @@
#define _LINUX_VIRTIO_NET_H
#include <linux/if_vlan.h>
+#include <uapi/linux/tcp.h>
+#include <uapi/linux/udp.h>
#include <uapi/linux/virtio_net.h>
static inline int virtio_net_hdr_set_proto(struct sk_buff *skb,
@@ -28,17 +30,26 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
bool little_endian)
{
unsigned int gso_type = 0;
+ unsigned int thlen = 0;
+ unsigned int p_off = 0;
+ unsigned int ip_proto;
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) {
case VIRTIO_NET_HDR_GSO_TCPV4:
gso_type = SKB_GSO_TCPV4;
+ ip_proto = IPPROTO_TCP;
+ thlen = sizeof(struct tcphdr);
break;
case VIRTIO_NET_HDR_GSO_TCPV6:
gso_type = SKB_GSO_TCPV6;
+ ip_proto = IPPROTO_TCP;
+ thlen = sizeof(struct tcphdr);
break;
case VIRTIO_NET_HDR_GSO_UDP:
gso_type = SKB_GSO_UDP;
+ ip_proto = IPPROTO_UDP;
+ thlen = sizeof(struct udphdr);
break;
default:
return -EINVAL;
@@ -57,16 +68,23 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb,
if (!skb_partial_csum_set(skb, start, off))
return -EINVAL;
+
+ p_off = skb_transport_offset(skb) + thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
} else {
/* gso packets without NEEDS_CSUM do not set transport_offset.
* probe and drop if does not match one of the above types.
*/
if (gso_type && skb->network_header) {
+ struct flow_keys_basic keys;
+
if (!skb->protocol)
virtio_net_hdr_set_proto(skb, hdr);
retry:
- skb_probe_transport_header(skb);
- if (!skb_transport_header_was_set(skb)) {
+ if (!skb_flow_dissect_flow_keys_basic(NULL, skb, &keys,
+ NULL, 0, 0, 0,
+ 0)) {
/* UFO does not specify ipv4 or 6: try both */
if (gso_type & SKB_GSO_UDP &&
skb->protocol == htons(ETH_P_IP)) {
@@ -75,18 +93,33 @@ retry:
}
return -EINVAL;
}
+
+ p_off = keys.control.thoff + thlen;
+ if (p_off > skb_headlen(skb) ||
+ keys.basic.ip_proto != ip_proto)
+ return -EINVAL;
+
+ skb_set_transport_header(skb, keys.control.thoff);
+ } else if (gso_type) {
+ p_off = thlen;
+ if (p_off > skb_headlen(skb))
+ return -EINVAL;
}
}
if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) {
u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size);
+ struct skb_shared_info *shinfo = skb_shinfo(skb);
- skb_shinfo(skb)->gso_size = gso_size;
- skb_shinfo(skb)->gso_type = gso_type;
+ /* Too small packets are not really GSO ones. */
+ if (skb->len - p_off > gso_size) {
+ shinfo->gso_size = gso_size;
+ shinfo->gso_type = gso_type;
- /* Header must be checked, and gso_segs computed. */
- skb_shinfo(skb)->gso_type |= SKB_GSO_DODGY;
- skb_shinfo(skb)->gso_segs = 0;
+ /* Header must be checked, and gso_segs computed. */
+ shinfo->gso_type |= SKB_GSO_DODGY;
+ shinfo->gso_segs = 0;
+ }
}
return 0;
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 71c81e0dc8f2..dc636b727179 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -48,6 +48,7 @@ struct virtio_vsock_pkt {
u32 len;
u32 off;
bool reply;
+ bool tap_delivered;
};
struct virtio_vsock_pkt_info {
diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index ffef0f279747..24fc7c3ae7d6 100644
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -35,6 +35,10 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
PGSCAN_KSWAPD,
PGSCAN_DIRECT,
PGSCAN_DIRECT_THROTTLE,
+ PGSCAN_ANON,
+ PGSCAN_FILE,
+ PGSTEAL_ANON,
+ PGSTEAL_FILE,
#ifdef CONFIG_NUMA
PGSCAN_ZONE_RECLAIM_FAILED,
#endif
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 0507a162ccd0..48bb681e6c2a 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -88,8 +88,7 @@ struct vmap_area {
* Highlevel APIs for driver use
*/
extern void vm_unmap_ram(const void *mem, unsigned int count);
-extern void *vm_map_ram(struct page **pages, unsigned int count,
- int node, pgprot_t prot);
+extern void *vm_map_ram(struct page **pages, unsigned int count, int node);
extern void vm_unmap_aliases(void);
#ifdef CONFIG_MMU
@@ -107,26 +106,16 @@ extern void *vzalloc(unsigned long size);
extern void *vmalloc_user(unsigned long size);
extern void *vmalloc_node(unsigned long size, int node);
extern void *vzalloc_node(unsigned long size, int node);
-extern void *vmalloc_user_node_flags(unsigned long size, int node, gfp_t flags);
extern void *vmalloc_exec(unsigned long size);
extern void *vmalloc_32(unsigned long size);
extern void *vmalloc_32_user(unsigned long size);
-extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot);
+extern void *__vmalloc(unsigned long size, gfp_t gfp_mask);
extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
unsigned long start, unsigned long end, gfp_t gfp_mask,
pgprot_t prot, unsigned long vm_flags, int node,
const void *caller);
-#ifndef CONFIG_MMU
-extern void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags);
-static inline void *__vmalloc_node_flags_caller(unsigned long size, int node,
- gfp_t flags, void *caller)
-{
- return __vmalloc_node_flags(size, node, flags);
-}
-#else
-extern void *__vmalloc_node_flags_caller(unsigned long size,
- int node, gfp_t flags, void *caller);
-#endif
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+ int node, const void *caller);
extern void vfree(const void *addr);
extern void vfree_atomic(const void *addr);
@@ -137,12 +126,26 @@ extern void vunmap(const void *addr);
extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
unsigned long uaddr, void *kaddr,
- unsigned long size);
+ unsigned long pgoff, unsigned long size);
extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff);
-void vmalloc_sync_mappings(void);
-void vmalloc_sync_unmappings(void);
+
+/*
+ * Architectures can set this mask to a combination of PGTBL_P?D_MODIFIED values
+ * and let generic vmalloc and ioremap code know when arch_sync_kernel_mappings()
+ * needs to be called.
+ */
+#ifndef ARCH_PAGE_TABLE_SYNC_MASK
+#define ARCH_PAGE_TABLE_SYNC_MASK 0
+#endif
+
+/*
+ * There is no default implementation for arch_sync_kernel_mappings(). It is
+ * relied upon the compiler to optimize calls out if ARCH_PAGE_TABLE_SYNC_MASK
+ * is 0.
+ */
+void arch_sync_kernel_mappings(unsigned long start, unsigned long end);
/*
* Lowlevel-APIs (not for driver use!)
@@ -161,8 +164,6 @@ static inline size_t get_vm_area_size(const struct vm_struct *area)
extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
extern struct vm_struct *get_vm_area_caller(unsigned long size,
unsigned long flags, const void *caller);
-extern struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
- unsigned long start, unsigned long end);
extern struct vm_struct *__get_vm_area_caller(unsigned long size,
unsigned long flags,
unsigned long start, unsigned long end,
@@ -170,11 +171,11 @@ extern struct vm_struct *__get_vm_area_caller(unsigned long size,
extern struct vm_struct *remove_vm_area(const void *addr);
extern struct vm_struct *find_vm_area(const void *addr);
-extern int map_vm_area(struct vm_struct *area, pgprot_t prot,
- struct page **pages);
#ifdef CONFIG_MMU
extern int map_kernel_range_noflush(unsigned long start, unsigned long size,
pgprot_t prot, struct page **pages);
+int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot,
+ struct page **pages);
extern void unmap_kernel_range_noflush(unsigned long addr, unsigned long size);
extern void unmap_kernel_range(unsigned long addr, unsigned long size);
static inline void set_vm_flush_reset_perms(void *addr)
@@ -191,14 +192,12 @@ map_kernel_range_noflush(unsigned long start, unsigned long size,
{
return size >> PAGE_SHIFT;
}
+#define map_kernel_range map_kernel_range_noflush
static inline void
unmap_kernel_range_noflush(unsigned long addr, unsigned long size)
{
}
-static inline void
-unmap_kernel_range(unsigned long addr, unsigned long size)
-{
-}
+#define unmap_kernel_range unmap_kernel_range_noflush
static inline void set_vm_flush_reset_perms(void *addr)
{
}
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 292485f3d24d..aa961088c551 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -16,8 +16,8 @@ extern int sysctl_stat_interval;
#define DISABLE_NUMA_STAT 0
extern int sysctl_vm_numa_stat;
DECLARE_STATIC_KEY_TRUE(vm_numa_stat_key);
-extern int sysctl_vm_numa_stat_handler(struct ctl_table *table,
- int write, void __user *buffer, size_t *length, loff_t *ppos);
+int sysctl_vm_numa_stat_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *length, loff_t *ppos);
#endif
struct reclaim_stat {
@@ -26,9 +26,11 @@ struct reclaim_stat {
unsigned nr_congested;
unsigned nr_writeback;
unsigned nr_immediate;
+ unsigned nr_pageout;
unsigned nr_activate[2];
unsigned nr_ref_keep;
unsigned nr_unmap_fail;
+ unsigned nr_lazyfree_fail;
};
enum writeback_stat_item {
@@ -274,8 +276,8 @@ void cpu_vm_stats_fold(int cpu);
void refresh_zone_stat_thresholds(void);
struct ctl_table;
-int vmstat_refresh(struct ctl_table *, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+int vmstat_refresh(struct ctl_table *, int write, void *buffer, size_t *lenp,
+ loff_t *ppos);
void drain_zonestat(struct zone *zone, struct per_cpu_pageset *);
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index bd0503ca6f8f..9e2763d7c159 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -14,8 +14,10 @@
#include <linux/virtio_byteorder.h>
#include <linux/uio.h>
#include <linux/slab.h>
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
#include <linux/dma-direction.h>
#include <linux/vhost_iotlb.h>
+#endif
#include <asm/barrier.h>
/* virtio_ring with information needed for host access. */
@@ -254,6 +256,8 @@ static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)
return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);
}
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
+
void vringh_set_iotlb(struct vringh *vrh, struct vhost_iotlb *iotlb);
int vringh_init_iotlb(struct vringh *vrh, u64 features,
@@ -284,4 +288,6 @@ void vringh_notify_disable_iotlb(struct vringh *vrh);
int vringh_need_notify_iotlb(struct vringh *vrh);
+#endif /* CONFIG_VHOST_IOTLB */
+
#endif /* _LINUX_VRINGH_H */
diff --git a/include/linux/wait.h b/include/linux/wait.h
index feeb6be5cad6..898c890fc153 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -1149,4 +1149,6 @@ int autoremove_wake_function(struct wait_queue_entry *wq_entry, unsigned mode, i
(wait)->flags = 0; \
} while (0)
+bool try_invoke_on_locked_down_task(struct task_struct *p, bool (*func)(struct task_struct *t, void *arg), void *arg);
+
#endif /* _LINUX_WAIT_H */
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index 417d9f37077a..1464ce6ffa31 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -37,15 +37,15 @@ struct watchdog_governor;
*
* The watchdog_ops structure contains a list of low-level operations
* that control a watchdog device. It also contains the module that owns
- * these operations. The start and stop function are mandatory, all other
+ * these operations. The start function is mandatory, all other
* functions are optional.
*/
struct watchdog_ops {
struct module *owner;
/* mandatory operations */
int (*start)(struct watchdog_device *);
- int (*stop)(struct watchdog_device *);
/* optional operations */
+ int (*stop)(struct watchdog_device *);
int (*ping)(struct watchdog_device *);
unsigned int (*status)(struct watchdog_device *);
int (*set_timeout)(struct watchdog_device *, unsigned int);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index a19d845dd7eb..f8a7e1a850fb 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -362,24 +362,18 @@ extern int vm_highmem_is_dirtyable;
extern int block_dump;
extern int laptop_mode;
-extern int dirty_background_ratio_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-extern int dirty_background_bytes_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-extern int dirty_ratio_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-extern int dirty_bytes_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+int dirty_background_ratio_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
+int dirty_background_bytes_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
+int dirty_ratio_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
+int dirty_bytes_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
int dirtytime_interval_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
-
-struct ctl_table;
-int dirty_writeback_centisecs_handler(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+ void *buffer, size_t *lenp, loff_t *ppos);
+int dirty_writeback_centisecs_handler(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos);
void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty);
unsigned long wb_calc_thresh(struct bdi_writeback *wb, unsigned long thresh);
diff --git a/include/linux/zsmalloc.h b/include/linux/zsmalloc.h
index 2219cce81ca4..0fdbf653b173 100644
--- a/include/linux/zsmalloc.h
+++ b/include/linux/zsmalloc.h
@@ -20,7 +20,7 @@
* zsmalloc mapping modes
*
* NOTE: These only make a difference when a mapped object spans pages.
- * They also have no effect when PGTABLE_MAPPING is selected.
+ * They also have no effect when ZSMALLOC_PGTABLE_MAPPING is selected.
*/
enum zs_mapmode {
ZS_MM_RW, /* normal read-write mapping */
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 38956969fd12..b1c839734124 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -2,7 +2,7 @@
/*
* cec-notifier.h - notify CEC drivers of physical address changes
*
- * Copyright 2016 Russell King <rmk+kernel@arm.linux.org.uk>
+ * Copyright 2016 Russell King.
* Copyright 2016-2017 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
diff --git a/include/net/act_api.h b/include/net/act_api.h
index c24d7643548e..8c3934880670 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -75,7 +75,8 @@ static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
{
dtm->install = jiffies_to_clock_t(jiffies - stm->install);
dtm->lastuse = jiffies_to_clock_t(jiffies - stm->lastuse);
- dtm->firstuse = jiffies_to_clock_t(jiffies - stm->firstuse);
+ dtm->firstuse = stm->firstuse ?
+ jiffies_to_clock_t(jiffies - stm->firstuse) : 0;
dtm->expires = jiffies_to_clock_t(stm->expires);
}
@@ -193,7 +194,7 @@ struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
bool rtnl_held,
struct netlink_ext_ack *extack);
int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[], int bind,
- int ref);
+ int ref, bool terse);
int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index e0eabe58aa8b..fdb07105384c 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -6,8 +6,6 @@
#define RTR_SOLICITATION_INTERVAL (4*HZ)
#define RTR_SOLICITATION_MAX_INTERVAL (3600*HZ) /* 1 hour */
-#define MIN_VALID_LIFETIME (2*3600) /* 2 hours */
-
#define TEMP_VALID_LIFETIME (7*86400)
#define TEMP_PREFERRED_LIFETIME (86400)
#define REGEN_MAX_RETRY (3)
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index 04e97bab6f28..91eacbdcf33d 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -59,7 +59,7 @@ bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *);
-u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
+u32 rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *);
int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
rxrpc_user_attach_call_t, unsigned long, gfp_t,
unsigned int);
@@ -72,4 +72,6 @@ bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
unsigned long);
+int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
+
#endif /* _NET_RXRPC_H */
diff --git a/include/net/bareudp.h b/include/net/bareudp.h
index cb03f6f15956..dc65a0d71d9b 100644
--- a/include/net/bareudp.h
+++ b/include/net/bareudp.h
@@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/skbuff.h>
+#include <net/rtnetlink.h>
struct bareudp_conf {
__be16 ethertype;
@@ -17,4 +18,10 @@ struct net_device *bareudp_dev_create(struct net *net, const char *name,
u8 name_assign_type,
struct bareudp_conf *info);
+static inline bool netif_is_bareudp(const struct net_device *dev)
+{
+ return dev->rtnl_link_ops &&
+ !strcmp(dev->rtnl_link_ops->kind, "bareudp");
+}
+
#endif
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 1576353a2773..18190055374c 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -139,12 +139,26 @@ struct bt_voice {
#define BT_PHY_LE_CODED_TX 0x00002000
#define BT_PHY_LE_CODED_RX 0x00004000
+#define BT_MODE 15
+
+#define BT_MODE_BASIC 0x00
+#define BT_MODE_ERTM 0x01
+#define BT_MODE_STREAMING 0x02
+#define BT_MODE_LE_FLOWCTL 0x03
+#define BT_MODE_EXT_FLOWCTL 0x04
+
__printf(1, 2)
void bt_info(const char *fmt, ...);
__printf(1, 2)
void bt_warn(const char *fmt, ...);
__printf(1, 2)
void bt_err(const char *fmt, ...);
+#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
+void bt_dbg_set(bool enable);
+bool bt_dbg_get(void);
+__printf(1, 2)
+void bt_dbg(const char *fmt, ...);
+#endif
__printf(1, 2)
void bt_warn_ratelimited(const char *fmt, ...);
__printf(1, 2)
@@ -153,7 +167,12 @@ void bt_err_ratelimited(const char *fmt, ...);
#define BT_INFO(fmt, ...) bt_info(fmt "\n", ##__VA_ARGS__)
#define BT_WARN(fmt, ...) bt_warn(fmt "\n", ##__VA_ARGS__)
#define BT_ERR(fmt, ...) bt_err(fmt "\n", ##__VA_ARGS__)
+
+#if IS_ENABLED(CONFIG_BT_FEATURE_DEBUG)
+#define BT_DBG(fmt, ...) bt_dbg(fmt "\n", ##__VA_ARGS__)
+#else
#define BT_DBG(fmt, ...) pr_debug(fmt "\n", ##__VA_ARGS__)
+#endif
#define bt_dev_info(hdev, fmt, ...) \
BT_INFO("%s: " fmt, (hdev)->name, ##__VA_ARGS__)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 5f60e135aeb6..16ab6ce87883 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -53,6 +53,9 @@
#define HCI_NOTIFY_CONN_ADD 1
#define HCI_NOTIFY_CONN_DEL 2
#define HCI_NOTIFY_VOICE_SETTING 3
+#define HCI_NOTIFY_ENABLE_SCO_CVSD 4
+#define HCI_NOTIFY_ENABLE_SCO_TRANSP 5
+#define HCI_NOTIFY_DISABLE_SCO 6
/* HCI bus types */
#define HCI_VIRTUAL 0
@@ -65,6 +68,7 @@
#define HCI_SPI 7
#define HCI_I2C 8
#define HCI_SMD 9
+#define HCI_VIRTIO 10
/* HCI controller types */
#define HCI_PRIMARY 0x00
@@ -214,6 +218,15 @@ enum {
* This quirk must be set before hci_register_dev is called.
*/
HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED,
+
+ /* When this quirk is set, the controller has validated that
+ * LE states reported through the HCI_LE_READ_SUPPORTED_STATES are
+ * valid. This mechanism is necessary as many controllers have
+ * been seen has having trouble initiating a connectable
+ * advertisement despite the state combination being reported as
+ * supported.
+ */
+ HCI_QUIRK_VALID_LE_STATES,
};
/* HCI device flags */
@@ -245,6 +258,7 @@ enum {
HCI_MGMT_DEV_CLASS_EVENTS,
HCI_MGMT_LOCAL_NAME_EVENTS,
HCI_MGMT_OOB_DATA_EVENTS,
+ HCI_MGMT_EXP_FEATURE_EVENTS,
};
/*
@@ -294,6 +308,7 @@ enum {
HCI_FORCE_STATIC_ADDR,
HCI_LL_RPA_RESOLUTION,
HCI_CMD_PENDING,
+ HCI_FORCE_NO_MITM,
__HCI_NUM_FLAGS,
};
@@ -455,12 +470,11 @@ enum {
#define HCI_LE_SLAVE_FEATURES 0x08
#define HCI_LE_PING 0x10
#define HCI_LE_DATA_LEN_EXT 0x20
-#define HCI_LE_PHY_2M 0x01
-#define HCI_LE_PHY_CODED 0x08
-#define HCI_LE_EXT_ADV 0x10
+#define HCI_LE_LL_PRIVACY 0x40
#define HCI_LE_EXT_SCAN_POLICY 0x80
#define HCI_LE_PHY_2M 0x01
#define HCI_LE_PHY_CODED 0x08
+#define HCI_LE_EXT_ADV 0x10
#define HCI_LE_CHAN_SEL_ALG2 0x40
#define HCI_LE_CIS_MASTER 0x10
#define HCI_LE_CIS_SLAVE 0x20
@@ -1272,6 +1286,13 @@ struct hci_rp_read_data_block_size {
#define HCI_OP_READ_LOCAL_CODECS 0x100b
+#define HCI_OP_READ_LOCAL_PAIRING_OPTS 0x100c
+struct hci_rp_read_local_pairing_opts {
+ __u8 status;
+ __u8 pairing_opts;
+ __u8 max_key_size;
+} __packed;
+
#define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b
struct hci_rp_read_page_scan_activity {
__u8 status;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index d4e28773d378..cdd4f1db8670 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -110,7 +110,7 @@ enum suspend_tasks {
enum suspended_state {
BT_RUNNING = 0,
BT_SUSPEND_DISCONNECT,
- BT_SUSPEND_COMPLETE,
+ BT_SUSPEND_CONFIGURE_WAKE,
};
struct hci_conn_hash {
@@ -312,6 +312,8 @@ struct hci_dev {
__u16 conn_info_max_age;
__u16 auth_payload_timeout;
__u8 min_enc_key_size;
+ __u8 max_enc_key_size;
+ __u8 pairing_opts;
__u8 ssp_debug_mode;
__u8 hw_error_code;
__u32 clock;
@@ -484,6 +486,11 @@ struct hci_dev {
struct led_trigger *power_led;
#endif
+#if IS_ENABLED(CONFIG_BT_MSFTEXT)
+ __u16 msft_opcode;
+ void *msft_data;
+#endif
+
int (*open)(struct hci_dev *hdev);
int (*close)(struct hci_dev *hdev);
int (*flush)(struct hci_dev *hdev);
@@ -496,6 +503,7 @@ struct hci_dev {
int (*set_diag)(struct hci_dev *hdev, bool enable);
int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
void (*cmd_timeout)(struct hci_dev *hdev);
+ bool (*prevent_wake)(struct hci_dev *hdev);
};
#define HCI_PHY_HANDLE(handle) (handle & 0xff)
@@ -638,6 +646,7 @@ extern struct mutex hci_cb_list_lock;
do { \
hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
hci_dev_clear_flag(hdev, HCI_LE_ADV); \
+ hci_dev_clear_flag(hdev, HCI_LL_RPA_RESOLUTION);\
hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
} while (0)
@@ -1116,6 +1125,14 @@ int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
__printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
__printf(2, 3) void hci_set_fw_info(struct hci_dev *hdev, const char *fmt, ...);
+
+static inline void hci_set_msft_opcode(struct hci_dev *hdev, __u16 opcode)
+{
+#if IS_ENABLED(CONFIG_BT_MSFTEXT)
+ hdev->msft_opcode = opcode;
+#endif
+}
+
int hci_dev_open(__u16 dev);
int hci_dev_close(__u16 dev);
int hci_dev_do_close(struct hci_dev *hdev);
@@ -1364,10 +1381,26 @@ static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
conn->security_cfm_cb(conn, status);
}
-static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status,
- __u8 encrypt)
+static inline void hci_encrypt_cfm(struct hci_conn *conn, __u8 status)
{
struct hci_cb *cb;
+ __u8 encrypt;
+
+ if (conn->state == BT_CONFIG) {
+ if (status)
+ conn->state = BT_CONNECTED;
+
+ hci_connect_cfm(conn, status);
+ hci_conn_drop(conn);
+ return;
+ }
+
+ if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
+ encrypt = 0x00;
+ else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
+ encrypt = 0x02;
+ else
+ encrypt = 0x01;
if (conn->sec_level == BT_SECURITY_SDP)
conn->sec_level = BT_SECURITY_LOW;
@@ -1538,6 +1571,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
#define HCI_MGMT_NO_HDEV BIT(1)
#define HCI_MGMT_UNTRUSTED BIT(2)
#define HCI_MGMT_UNCONFIGURED BIT(3)
+#define HCI_MGMT_HDEV_OPTIONAL BIT(4)
struct hci_mgmt_handler {
int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index dada14d0622c..8f1e6a7a2df8 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -499,7 +499,7 @@ struct l2cap_ecred_conn_req {
__le16 mtu;
__le16 mps;
__le16 credits;
- __le16 scid[0];
+ __le16 scid[];
} __packed;
struct l2cap_ecred_conn_rsp {
@@ -507,13 +507,13 @@ struct l2cap_ecred_conn_rsp {
__le16 mps;
__le16 credits;
__le16 result;
- __le16 dcid[0];
+ __le16 dcid[];
};
struct l2cap_ecred_reconf_req {
__le16 mtu;
__le16 mps;
- __le16 scid[0];
+ __le16 scid[];
} __packed;
#define L2CAP_RECONF_SUCCESS 0x0000
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index f41cd87550dc..16e0d87bd8fa 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -70,14 +70,14 @@ struct mgmt_rp_read_version {
struct mgmt_rp_read_commands {
__le16 num_commands;
__le16 num_events;
- __le16 opcodes[0];
+ __le16 opcodes[];
} __packed;
#define MGMT_OP_READ_INDEX_LIST 0x0003
#define MGMT_READ_INDEX_LIST_SIZE 0
struct mgmt_rp_read_index_list {
__le16 num_controllers;
- __le16 index[0];
+ __le16 index[];
} __packed;
/* Reserve one extra byte for names in management messages so that they
@@ -183,7 +183,7 @@ struct mgmt_link_key_info {
struct mgmt_cp_load_link_keys {
__u8 debug_keys;
__le16 key_count;
- struct mgmt_link_key_info keys[0];
+ struct mgmt_link_key_info keys[];
} __packed;
#define MGMT_LOAD_LINK_KEYS_SIZE 3
@@ -206,7 +206,7 @@ struct mgmt_ltk_info {
#define MGMT_OP_LOAD_LONG_TERM_KEYS 0x0013
struct mgmt_cp_load_long_term_keys {
__le16 key_count;
- struct mgmt_ltk_info keys[0];
+ struct mgmt_ltk_info keys[];
} __packed;
#define MGMT_LOAD_LONG_TERM_KEYS_SIZE 2
@@ -223,7 +223,7 @@ struct mgmt_rp_disconnect {
#define MGMT_GET_CONNECTIONS_SIZE 0
struct mgmt_rp_get_connections {
__le16 conn_count;
- struct mgmt_addr_info addr[0];
+ struct mgmt_addr_info addr[];
} __packed;
#define MGMT_OP_PIN_CODE_REPLY 0x0016
@@ -413,7 +413,7 @@ struct mgmt_irk_info {
#define MGMT_OP_LOAD_IRKS 0x0030
struct mgmt_cp_load_irks {
__le16 irk_count;
- struct mgmt_irk_info irks[0];
+ struct mgmt_irk_info irks[];
} __packed;
#define MGMT_LOAD_IRKS_SIZE 2
@@ -465,7 +465,7 @@ struct mgmt_conn_param {
#define MGMT_OP_LOAD_CONN_PARAM 0x0035
struct mgmt_cp_load_conn_param {
__le16 param_count;
- struct mgmt_conn_param params[0];
+ struct mgmt_conn_param params[];
} __packed;
#define MGMT_LOAD_CONN_PARAM_SIZE 2
@@ -473,7 +473,7 @@ struct mgmt_cp_load_conn_param {
#define MGMT_READ_UNCONF_INDEX_LIST_SIZE 0
struct mgmt_rp_read_unconf_index_list {
__le16 num_controllers;
- __le16 index[0];
+ __le16 index[];
} __packed;
#define MGMT_OPTION_EXTERNAL_CONFIG 0x00000001
@@ -504,7 +504,7 @@ struct mgmt_cp_start_service_discovery {
__u8 type;
__s8 rssi;
__le16 uuid_count;
- __u8 uuids[0][16];
+ __u8 uuids[][16];
} __packed;
#define MGMT_START_SERVICE_DISCOVERY_SIZE 4
@@ -516,7 +516,7 @@ struct mgmt_cp_read_local_oob_ext_data {
struct mgmt_rp_read_local_oob_ext_data {
__u8 type;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_OP_READ_EXT_INDEX_LIST 0x003C
@@ -527,7 +527,7 @@ struct mgmt_rp_read_ext_index_list {
__le16 index;
__u8 type;
__u8 bus;
- } entry[0];
+ } entry[];
} __packed;
#define MGMT_OP_READ_ADV_FEATURES 0x0003D
@@ -538,7 +538,7 @@ struct mgmt_rp_read_adv_features {
__u8 max_scan_rsp_len;
__u8 max_instances;
__u8 num_instances;
- __u8 instance[0];
+ __u8 instance[];
} __packed;
#define MGMT_OP_ADD_ADVERTISING 0x003E
@@ -549,7 +549,7 @@ struct mgmt_cp_add_advertising {
__le16 timeout;
__u8 adv_data_len;
__u8 scan_rsp_len;
- __u8 data[0];
+ __u8 data[];
} __packed;
#define MGMT_ADD_ADVERTISING_SIZE 11
struct mgmt_rp_add_advertising {
@@ -603,7 +603,7 @@ struct mgmt_rp_read_ext_info {
__le32 supported_settings;
__le32 current_settings;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_OP_SET_APPEARANCE 0x0043
@@ -668,17 +668,45 @@ struct mgmt_blocked_key_info {
struct mgmt_cp_set_blocked_keys {
__le16 key_count;
- struct mgmt_blocked_key_info keys[0];
+ struct mgmt_blocked_key_info keys[];
} __packed;
#define MGMT_OP_SET_BLOCKED_KEYS_SIZE 2
#define MGMT_OP_SET_WIDEBAND_SPEECH 0x0047
+#define MGMT_OP_READ_SECURITY_INFO 0x0048
+#define MGMT_READ_SECURITY_INFO_SIZE 0
+struct mgmt_rp_read_security_info {
+ __le16 sec_len;
+ __u8 sec[];
+} __packed;
+
+#define MGMT_OP_READ_EXP_FEATURES_INFO 0x0049
+#define MGMT_READ_EXP_FEATURES_INFO_SIZE 0
+struct mgmt_rp_read_exp_features_info {
+ __le16 feature_count;
+ struct {
+ __u8 uuid[16];
+ __le32 flags;
+ } features[];
+} __packed;
+
+#define MGMT_OP_SET_EXP_FEATURE 0x004a
+struct mgmt_cp_set_exp_feature {
+ __u8 uuid[16];
+ __u8 param[];
+} __packed;
+#define MGMT_SET_EXP_FEATURE_SIZE 16
+struct mgmt_rp_set_exp_feature {
+ __u8 uuid[16];
+ __le32 flags;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
__u8 status;
- __u8 data[0];
+ __u8 data[];
} __packed;
#define MGMT_EV_CMD_STATUS 0x0002
@@ -726,7 +754,7 @@ struct mgmt_ev_device_connected {
struct mgmt_addr_info addr;
__le32 flags;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_DEV_DISCONN_UNKNOWN 0x00
@@ -781,7 +809,7 @@ struct mgmt_ev_device_found {
__s8 rssi;
__le32 flags;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_EV_DISCOVERING 0x0013
@@ -876,7 +904,7 @@ struct mgmt_ev_ext_index {
struct mgmt_ev_local_oob_data_updated {
__u8 type;
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_EV_ADVERTISING_ADDED 0x0023
@@ -892,10 +920,16 @@ struct mgmt_ev_advertising_removed {
#define MGMT_EV_EXT_INFO_CHANGED 0x0025
struct mgmt_ev_ext_info_changed {
__le16 eir_len;
- __u8 eir[0];
+ __u8 eir[];
} __packed;
#define MGMT_EV_PHY_CONFIGURATION_CHANGED 0x0026
struct mgmt_ev_phy_configuration_changed {
__le32 selected_phys;
} __packed;
+
+#define MGMT_EV_EXP_FEATURE_CHANGED 0x0027
+struct mgmt_ev_exp_feature_changed {
+ __u8 uuid[16];
+ __le32 flags;
+} __packed;
diff --git a/include/net/bond_alb.h b/include/net/bond_alb.h
index b3504fcd773d..f6af76c87a6c 100644
--- a/include/net/bond_alb.h
+++ b/include/net/bond_alb.h
@@ -158,6 +158,10 @@ void bond_alb_handle_link_change(struct bonding *bond, struct slave *slave, char
void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave);
int bond_alb_xmit(struct sk_buff *skb, struct net_device *bond_dev);
int bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev);
+struct slave *bond_xmit_alb_slave_get(struct bonding *bond,
+ struct sk_buff *skb);
+struct slave *bond_xmit_tlb_slave_get(struct bonding *bond,
+ struct sk_buff *skb);
void bond_alb_monitor(struct work_struct *);
int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr);
void bond_alb_clear_vlan(struct bonding *bond, unsigned short vlan_id);
diff --git a/include/net/bonding.h b/include/net/bonding.h
index dc2ce31a1f52..aa854a9c01e2 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -200,7 +200,8 @@ struct bonding {
struct slave __rcu *curr_active_slave;
struct slave __rcu *current_arp_slave;
struct slave __rcu *primary_slave;
- struct bond_up_slave __rcu *slave_arr; /* Array of usable slaves */
+ struct bond_up_slave __rcu *usable_slaves;
+ struct bond_up_slave __rcu *all_slaves;
bool force_primary;
s32 slave_cnt; /* never change this value outside the attach/detach wrappers */
int (*recv_probe)(const struct sk_buff *, struct bonding *,
@@ -237,7 +238,6 @@ struct bonding {
struct dentry *debug_dir;
#endif /* CONFIG_DEBUG_FS */
struct rtnl_link_stats64 bond_stats;
- struct lock_class_key stats_lock_key;
};
#define bond_slave_get_rcu(dev) \
@@ -505,18 +505,17 @@ static inline unsigned long slave_last_rx(struct bonding *bond,
}
#ifdef CONFIG_NET_POLL_CONTROLLER
-static inline void bond_netpoll_send_skb(const struct slave *slave,
+static inline netdev_tx_t bond_netpoll_send_skb(const struct slave *slave,
struct sk_buff *skb)
{
- struct netpoll *np = slave->np;
-
- if (np)
- netpoll_send_skb(np, skb);
+ return netpoll_send_skb(slave->np, skb);
}
#else
-static inline void bond_netpoll_send_skb(const struct slave *slave,
+static inline netdev_tx_t bond_netpoll_send_skb(const struct slave *slave,
struct sk_buff *skb)
{
+ BUG();
+ return NETDEV_TX_OK;
}
#endif
@@ -610,7 +609,7 @@ struct bond_net {
};
int bond_arp_rcv(const struct sk_buff *skb, struct bonding *bond, struct slave *slave);
-void bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
+netdev_tx_t bond_dev_queue_xmit(struct bonding *bond, struct sk_buff *skb, struct net_device *slave_dev);
int bond_create(struct net *net, const char *name);
int bond_create_sysfs(struct bond_net *net);
void bond_destroy_sysfs(struct bond_net *net);
@@ -743,10 +742,11 @@ extern struct bond_parm_tbl ad_select_tbl[];
/* exported from bond_netlink.c */
extern struct rtnl_link_ops bond_link_ops;
-static inline void bond_tx_drop(struct net_device *dev, struct sk_buff *skb)
+static inline netdev_tx_t bond_tx_drop(struct net_device *dev, struct sk_buff *skb)
{
atomic_long_inc(&dev->tx_dropped);
dev_kfree_skb_any(skb);
+ return NET_XMIT_DROP;
}
#endif /* _NET_BONDING_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 70e48f66dac8..b58ad1a3f695 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -128,6 +128,7 @@ enum ieee80211_channel_flags {
* with cfg80211.
*
* @center_freq: center frequency in MHz
+ * @freq_offset: offset from @center_freq, in KHz
* @hw_value: hardware-specific value for the channel
* @flags: channel flags from &enum ieee80211_channel_flags.
* @orig_flags: channel flags at registration time, used by regulatory
@@ -149,6 +150,7 @@ enum ieee80211_channel_flags {
struct ieee80211_channel {
enum nl80211_band band;
u32 center_freq;
+ u16 freq_offset;
u16 hw_value;
u32 flags;
int max_antenna_gain;
@@ -352,10 +354,13 @@ struct ieee80211_sta_he_cap {
*
* @types_mask: interface types mask
* @he_cap: holds the HE capabilities
+ * @he_6ghz_capa: HE 6 GHz capabilities, must be filled in for a
+ * 6 GHz band channel (and 0 may be valid value).
*/
struct ieee80211_sband_iftype_data {
u16 types_mask;
struct ieee80211_sta_he_cap he_cap;
+ struct ieee80211_he_6ghz_capa he_6ghz_capa;
};
/**
@@ -508,6 +513,26 @@ ieee80211_get_he_sta_cap(const struct ieee80211_supported_band *sband)
}
/**
+ * ieee80211_get_he_6ghz_capa - return HE 6 GHz capabilities
+ * @sband: the sband to search for the STA on
+ * @iftype: the iftype to search for
+ *
+ * Return: the 6GHz capabilities
+ */
+static inline __le16
+ieee80211_get_he_6ghz_capa(const struct ieee80211_supported_band *sband,
+ enum nl80211_iftype iftype)
+{
+ const struct ieee80211_sband_iftype_data *data =
+ ieee80211_get_sband_iftype_data(sband, iftype);
+
+ if (WARN_ON(!data || !data->he_cap.has_he))
+ return 0;
+
+ return data->he_6ghz_capa.capa;
+}
+
+/**
* wiphy_read_of_freq_limits - read frequency limits from device tree
*
* @wiphy: the wireless device to get extra limits for
@@ -617,6 +642,7 @@ struct key_params {
* If edmg is requested (i.e. the .channels member is non-zero),
* chan will define the primary channel and all other
* parameters are ignored.
+ * @freq1_offset: offset from @center_freq1, in KHz
*/
struct cfg80211_chan_def {
struct ieee80211_channel *chan;
@@ -624,8 +650,22 @@ struct cfg80211_chan_def {
u32 center_freq1;
u32 center_freq2;
struct ieee80211_edmg edmg;
+ u16 freq1_offset;
};
+/*
+ * cfg80211_bitrate_mask - masks for bitrate control
+ */
+struct cfg80211_bitrate_mask {
+ struct {
+ u32 legacy;
+ u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
+ u16 vht_mcs[NL80211_VHT_NSS_MAX];
+ enum nl80211_txrate_gi gi;
+ } control[NUM_NL80211_BANDS];
+};
+
+
/**
* struct cfg80211_tid_cfg - TID specific configuration
* @config_override: Flag to notify driver to reset TID configuration
@@ -636,17 +676,23 @@ struct cfg80211_chan_def {
* @noack: noack configuration value for the TID
* @retry_long: retry count value
* @retry_short: retry count value
- * @ampdu: Enable/Disable aggregation
+ * @ampdu: Enable/Disable MPDU aggregation
* @rtscts: Enable/Disable RTS/CTS
+ * @amsdu: Enable/Disable MSDU aggregation
+ * @txrate_type: Tx bitrate mask type
+ * @txrate_mask: Tx bitrate to be applied for the TID
*/
struct cfg80211_tid_cfg {
bool config_override;
u8 tids;
- u32 mask;
+ u64 mask;
enum nl80211_tid_config noack;
u8 retry_long, retry_short;
enum nl80211_tid_config ampdu;
enum nl80211_tid_config rtscts;
+ enum nl80211_tid_config amsdu;
+ enum nl80211_tx_rate_setting txrate_type;
+ struct cfg80211_bitrate_mask txrate_mask;
};
/**
@@ -713,6 +759,7 @@ cfg80211_chandef_identical(const struct cfg80211_chan_def *chandef1,
return (chandef1->chan == chandef2->chan &&
chandef1->width == chandef2->width &&
chandef1->center_freq1 == chandef2->center_freq1 &&
+ chandef1->freq1_offset == chandef2->freq1_offset &&
chandef1->center_freq2 == chandef2->center_freq2);
}
@@ -1000,18 +1047,6 @@ struct cfg80211_acl_data {
struct mac_address mac_addrs[];
};
-/*
- * cfg80211_bitrate_mask - masks for bitrate control
- */
-struct cfg80211_bitrate_mask {
- struct {
- u32 legacy;
- u8 ht_mcs[IEEE80211_HT_MCS_MASK_LEN];
- u16 vht_mcs[NL80211_VHT_NSS_MAX];
- enum nl80211_txrate_gi gi;
- } control[NUM_NL80211_BANDS];
-};
-
/**
* enum cfg80211_ap_settings_flags - AP settings flags
*
@@ -1054,6 +1089,7 @@ enum cfg80211_ap_settings_flags {
* @ht_required: stations must support HT
* @vht_required: stations must support VHT
* @twt_responder: Enable Target Wait Time
+ * @he_required: stations must support HE
* @flags: flags, as defined in enum cfg80211_ap_settings_flags
* @he_obss_pd: OBSS Packet Detection settings
* @he_bss_color: BSS Color settings
@@ -1083,7 +1119,7 @@ struct cfg80211_ap_settings {
const struct ieee80211_vht_cap *vht_cap;
const struct ieee80211_he_cap_elem *he_cap;
const struct ieee80211_he_operation *he_oper;
- bool ht_required, vht_required;
+ bool ht_required, vht_required, he_required;
bool twt_responder;
u32 flags;
struct ieee80211_he_obss_pd he_obss_pd;
@@ -1225,6 +1261,7 @@ struct sta_txpwr {
* @he_capa_len: the length of the HE capabilities
* @airtime_weight: airtime scheduler weight for this station
* @txpwr: transmit power for an associated station
+ * @he_6ghz_capa: HE 6 GHz Band capabilities of station
*/
struct station_parameters {
const u8 *supported_rates;
@@ -1257,6 +1294,7 @@ struct station_parameters {
u8 he_capa_len;
u16 airtime_weight;
struct sta_txpwr txpwr;
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
};
/**
@@ -2029,7 +2067,7 @@ struct cfg80211_scan_request {
bool no_cck;
/* keep last */
- struct ieee80211_channel *channels[0];
+ struct ieee80211_channel *channels[];
};
static inline void get_random_mask_addr(u8 *buf, const u8 *addr, const u8 *mask)
@@ -2175,7 +2213,7 @@ struct cfg80211_sched_scan_request {
struct list_head list;
/* keep last */
- struct ieee80211_channel *channels[0];
+ struct ieee80211_channel *channels[];
};
/**
@@ -2297,7 +2335,7 @@ struct cfg80211_bss {
u8 bssid_index;
u8 max_bssid_indicator;
- u8 priv[0] __aligned(sizeof(void *));
+ u8 priv[] __aligned(sizeof(void *));
};
/**
@@ -2898,12 +2936,17 @@ struct cfg80211_wowlan_wakeup {
/**
* struct cfg80211_gtk_rekey_data - rekey data
- * @kek: key encryption key (NL80211_KEK_LEN bytes)
- * @kck: key confirmation key (NL80211_KCK_LEN bytes)
+ * @kek: key encryption key (@kek_len bytes)
+ * @kck: key confirmation key (@kck_len bytes)
* @replay_ctr: replay counter (NL80211_REPLAY_CTR_LEN bytes)
+ * @kek_len: length of kek
+ * @kck_len length of kck
+ * @akm: akm (oui, id)
*/
struct cfg80211_gtk_rekey_data {
const u8 *kek, *kck, *replay_ctr;
+ u32 akm;
+ u8 kek_len, kck_len;
};
/**
@@ -3385,6 +3428,21 @@ struct cfg80211_update_owe_info {
};
/**
+ * struct mgmt_frame_regs - management frame registrations data
+ * @global_stypes: bitmap of management frame subtypes registered
+ * for the entire device
+ * @interface_stypes: bitmap of management frame subtypes registered
+ * for the given interface
+ * @global_mcast_rx: mcast RX is needed globally for these subtypes
+ * @interface_mcast_stypes: mcast RX is needed on this interface
+ * for these subtypes
+ */
+struct mgmt_frame_regs {
+ u32 global_stypes, interface_stypes;
+ u32 global_mcast_stypes, interface_mcast_stypes;
+};
+
+/**
* struct cfg80211_ops - backend description for wireless configuration
*
* This struct is registered by fullmac card drivers and/or wireless stacks
@@ -3608,8 +3666,8 @@ struct cfg80211_update_owe_info {
* The driver should not call cfg80211_sched_scan_stopped() for a requested
* stop (when this method returns 0).
*
- * @mgmt_frame_register: Notify driver that a management frame type was
- * registered. The callback is allowed to sleep.
+ * @update_mgmt_frame_registrations: Notify the driver that management frame
+ * registrations were updated. The callback is allowed to sleep.
*
* @set_antenna: Set antenna configuration (tx_ant, rx_ant) on the device.
* Parameters are bitmaps of allowed antennas to use for TX/RX. Drivers may
@@ -3932,9 +3990,9 @@ struct cfg80211_ops {
struct net_device *dev,
u32 rate, u32 pkts, u32 intvl);
- void (*mgmt_frame_register)(struct wiphy *wiphy,
- struct wireless_dev *wdev,
- u16 frame_type, bool reg);
+ void (*update_mgmt_frame_registrations)(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd);
int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
@@ -4046,7 +4104,8 @@ struct cfg80211_ops {
struct net_device *dev,
const u8 *buf, size_t len,
const u8 *dest, const __be16 proto,
- const bool noencrypt);
+ const bool noencrypt,
+ u64 *cookie);
int (*get_ftm_responder_stats)(struct wiphy *wiphy,
struct net_device *dev,
@@ -4112,9 +4171,10 @@ struct cfg80211_ops {
* beaconing mode (AP, IBSS, Mesh, ...).
* @WIPHY_FLAG_HAS_STATIC_WEP: The device supports static WEP key installation
* before connection.
+ * @WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK: The device supports bigger kek and kck keys
*/
enum wiphy_flags {
- /* use hole at 0 */
+ WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK = BIT(0),
/* use hole at 1 */
/* use hole at 2 */
WIPHY_FLAG_NETNS_OK = BIT(3),
@@ -4829,7 +4889,7 @@ struct wiphy {
u8 max_data_retry_count;
- char priv[0] __aligned(NETDEV_ALIGN);
+ char priv[] __aligned(NETDEV_ALIGN);
};
static inline struct net *wiphy_net(struct wiphy *wiphy)
@@ -5015,6 +5075,7 @@ struct cfg80211_cqm_config;
* by cfg80211 on change_interface
* @mgmt_registrations: list of registrations for management frames
* @mgmt_registrations_lock: lock for the list
+ * @mgmt_registrations_update_wk: update work to defer from atomic context
* @mtx: mutex used to lock data in this struct, may be used by drivers
* and some API functions require it held
* @beacon_interval: beacon interval used on this device for transmitting
@@ -5045,6 +5106,8 @@ struct cfg80211_cqm_config;
* @pmsr_list: (private) peer measurement requests
* @pmsr_lock: (private) peer measurements requests/results lock
* @pmsr_free_wk: (private) peer measurements cleanup work
+ * @unprot_beacon_reported: (private) timestamp of last
+ * unprotected beacon report
*/
struct wireless_dev {
struct wiphy *wiphy;
@@ -5058,6 +5121,7 @@ struct wireless_dev {
struct list_head mgmt_registrations;
spinlock_t mgmt_registrations_lock;
+ struct work_struct mgmt_registrations_update_wk;
struct mutex mtx;
@@ -5121,6 +5185,8 @@ struct wireless_dev {
struct list_head pmsr_list;
spinlock_t pmsr_lock;
struct work_struct pmsr_free_wk;
+
+ unsigned long unprot_beacon_reported;
};
static inline u8 *wdev_address(struct wireless_dev *wdev)
@@ -5156,29 +5222,106 @@ static inline void *wdev_priv(struct wireless_dev *wdev)
*/
/**
+ * ieee80211_channel_equal - compare two struct ieee80211_channel
+ *
+ * @a: 1st struct ieee80211_channel
+ * @b: 2nd struct ieee80211_channel
+ * Return: true if center frequency of @a == @b
+ */
+static inline bool
+ieee80211_channel_equal(struct ieee80211_channel *a,
+ struct ieee80211_channel *b)
+{
+ return (a->center_freq == b->center_freq &&
+ a->freq_offset == b->freq_offset);
+}
+
+/**
+ * ieee80211_channel_to_khz - convert ieee80211_channel to frequency in KHz
+ * @chan: struct ieee80211_channel to convert
+ * Return: The corresponding frequency (in KHz)
+ */
+static inline u32
+ieee80211_channel_to_khz(const struct ieee80211_channel *chan)
+{
+ return MHZ_TO_KHZ(chan->center_freq) + chan->freq_offset;
+}
+
+/**
+ * ieee80211_channel_to_freq_khz - convert channel number to frequency
+ * @chan: channel number
+ * @band: band, necessary due to channel number overlap
+ * Return: The corresponding frequency (in KHz), or 0 if the conversion failed.
+ */
+u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band);
+
+/**
* ieee80211_channel_to_frequency - convert channel number to frequency
* @chan: channel number
* @band: band, necessary due to channel number overlap
* Return: The corresponding frequency (in MHz), or 0 if the conversion failed.
*/
-int ieee80211_channel_to_frequency(int chan, enum nl80211_band band);
+static inline int
+ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
+{
+ return KHZ_TO_MHZ(ieee80211_channel_to_freq_khz(chan, band));
+}
+
+/**
+ * ieee80211_freq_khz_to_channel - convert frequency to channel number
+ * @freq: center frequency in KHz
+ * Return: The corresponding channel, or 0 if the conversion failed.
+ */
+int ieee80211_freq_khz_to_channel(u32 freq);
/**
* ieee80211_frequency_to_channel - convert frequency to channel number
- * @freq: center frequency
+ * @freq: center frequency in MHz
* Return: The corresponding channel, or 0 if the conversion failed.
*/
-int ieee80211_frequency_to_channel(int freq);
+static inline int
+ieee80211_frequency_to_channel(int freq)
+{
+ return ieee80211_freq_khz_to_channel(MHZ_TO_KHZ(freq));
+}
+
+/**
+ * ieee80211_get_channel_khz - get channel struct from wiphy for specified
+ * frequency
+ * @wiphy: the struct wiphy to get the channel for
+ * @freq: the center frequency (in KHz) of the channel
+ * Return: The channel struct from @wiphy at @freq.
+ */
+struct ieee80211_channel *
+ieee80211_get_channel_khz(struct wiphy *wiphy, u32 freq);
/**
* ieee80211_get_channel - get channel struct from wiphy for specified frequency
*
* @wiphy: the struct wiphy to get the channel for
- * @freq: the center frequency of the channel
- *
+ * @freq: the center frequency (in MHz) of the channel
* Return: The channel struct from @wiphy at @freq.
*/
-struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq);
+static inline struct ieee80211_channel *
+ieee80211_get_channel(struct wiphy *wiphy, int freq)
+{
+ return ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(freq));
+}
+
+/**
+ * cfg80211_channel_is_psc - Check if the channel is a 6 GHz PSC
+ * @chan: control channel to check
+ *
+ * The Preferred Scanning Channels (PSC) are defined in
+ * Draft IEEE P802.11ax/D5.0, 26.17.2.3.3
+ */
+static inline bool cfg80211_channel_is_psc(struct ieee80211_channel *chan)
+{
+ if (chan->band != NL80211_BAND_6GHZ)
+ return false;
+
+ return ieee80211_frequency_to_channel(chan->center_freq) % 16 == 5;
+}
/**
* ieee80211_get_response_rate - get basic rate for a given rate
@@ -5211,7 +5354,7 @@ u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
* Radiotap parsing functions -- for controlled injection support
*
* Implemented in net/wireless/radiotap.c
- * Documentation in Documentation/networking/radiotap-headers.txt
+ * Documentation in Documentation/networking/radiotap-headers.rst
*/
struct radiotap_align_size {
@@ -6135,12 +6278,16 @@ void cfg80211_tx_mlme_mgmt(struct net_device *dev, const u8 *buf, size_t len);
/**
* cfg80211_rx_unprot_mlme_mgmt - notification of unprotected mlme mgmt frame
* @dev: network device
- * @buf: deauthentication frame (header + body)
+ * @buf: received management frame (header + body)
* @len: length of the frame data
*
* This function is called whenever a received deauthentication or dissassoc
* frame has been dropped in station mode because of MFP being used but the
- * frame was not protected. This function may sleep.
+ * frame was not protected. This is also used to notify reception of a Beacon
+ * frame that was dropped because it did not include a valid MME MIC while
+ * beacon protection was enabled (BIGTK configured in station mode).
+ *
+ * This function may sleep.
*/
void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev,
const u8 *buf, size_t len);
@@ -6894,6 +7041,26 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
gfp_t gfp);
/**
+ * cfg80211_rx_mgmt_khz - notification of received, unprocessed management frame
+ * @wdev: wireless device receiving the frame
+ * @freq: Frequency on which the frame was received in KHz
+ * @sig_dbm: signal strength in dBm, or 0 if unknown
+ * @buf: Management frame (header + body)
+ * @len: length of the frame data
+ * @flags: flags, as defined in enum nl80211_rxmgmt_flags
+ *
+ * This function is called whenever an Action frame is received for a station
+ * mode interface, but is not processed in kernel.
+ *
+ * Return: %true if a user space application has registered for this frame.
+ * For action frames, that makes it responsible for rejecting unrecognized
+ * action frames; %false otherwise, in which case for action frames the
+ * driver is responsible for rejecting the frame.
+ */
+bool cfg80211_rx_mgmt_khz(struct wireless_dev *wdev, int freq, int sig_dbm,
+ const u8 *buf, size_t len, u32 flags);
+
+/**
* cfg80211_rx_mgmt - notification of received, unprocessed management frame
* @wdev: wireless device receiving the frame
* @freq: Frequency on which the frame was received in MHz
@@ -6910,8 +7077,13 @@ void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr,
* action frames; %false otherwise, in which case for action frames the
* driver is responsible for rejecting the frame.
*/
-bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
- const u8 *buf, size_t len, u32 flags);
+static inline bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq,
+ int sig_dbm, const u8 *buf, size_t len,
+ u32 flags)
+{
+ return cfg80211_rx_mgmt_khz(wdev, MHZ_TO_KHZ(freq), sig_dbm, buf, len,
+ flags);
+}
/**
* cfg80211_mgmt_tx_status - notification of TX status for management frame
@@ -6929,6 +7101,23 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
const u8 *buf, size_t len, bool ack, gfp_t gfp);
+/**
+ * cfg80211_control_port_tx_status - notification of TX status for control
+ * port frames
+ * @wdev: wireless device receiving the frame
+ * @cookie: Cookie returned by cfg80211_ops::tx_control_port()
+ * @buf: Data frame (header + body)
+ * @len: length of the frame data
+ * @ack: Whether frame was acknowledged
+ * @gfp: context flags
+ *
+ * This function is called whenever a control port frame was requested to be
+ * transmitted with cfg80211_ops::tx_control_port() to report the TX status of
+ * the transmission attempt.
+ */
+void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp);
/**
* cfg80211_rx_control_port - notification about a received control port frame
@@ -7110,6 +7299,21 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
bool is_valid_ack_signal, gfp_t gfp);
/**
+ * cfg80211_report_obss_beacon_khz - report beacon from other APs
+ * @wiphy: The wiphy that received the beacon
+ * @frame: the frame
+ * @len: length of the frame
+ * @freq: frequency the frame was received on in KHz
+ * @sig_dbm: signal strength in dBm, or 0 if unknown
+ *
+ * Use this function to report to userspace when a beacon was
+ * received. It is not useful to call this when there is no
+ * netdev that is in AP/GO mode.
+ */
+void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
+ size_t len, int freq, int sig_dbm);
+
+/**
* cfg80211_report_obss_beacon - report beacon from other APs
* @wiphy: The wiphy that received the beacon
* @frame: the frame
@@ -7121,9 +7325,13 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
* received. It is not useful to call this when there is no
* netdev that is in AP/GO mode.
*/
-void cfg80211_report_obss_beacon(struct wiphy *wiphy,
- const u8 *frame, size_t len,
- int freq, int sig_dbm);
+static inline void cfg80211_report_obss_beacon(struct wiphy *wiphy,
+ const u8 *frame, size_t len,
+ int freq, int sig_dbm)
+{
+ cfg80211_report_obss_beacon_khz(wiphy, frame, len, MHZ_TO_KHZ(freq),
+ sig_dbm);
+}
/**
* cfg80211_reg_can_beacon - check if beaconing is allowed
@@ -7202,6 +7410,19 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
bool ieee80211_chandef_to_operating_class(struct cfg80211_chan_def *chandef,
u8 *op_class);
+/**
+ * ieee80211_chandef_to_khz - convert chandef to frequency in KHz
+ *
+ * @chandef: the chandef to convert
+ *
+ * Returns the center frequency of chandef (1st segment) in KHz.
+ */
+static inline u32
+ieee80211_chandef_to_khz(const struct cfg80211_chan_def *chandef)
+{
+ return MHZ_TO_KHZ(chandef->center_freq1) + chandef->freq1_offset;
+}
+
/*
* cfg80211_tdls_oper_request - request userspace to perform TDLS operation
* @dev: the device on which the operation is requested
diff --git a/include/net/checksum.h b/include/net/checksum.h
index 97bf4885a962..46754ba9d7b7 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -26,13 +26,9 @@ static inline
__wsum csum_and_copy_from_user (const void __user *src, void *dst,
int len, __wsum sum, int *err_ptr)
{
- if (access_ok(src, len))
- return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
-
- if (len)
+ if (copy_from_user(dst, src, len))
*err_ptr = -EFAULT;
-
- return sum;
+ return csum_partial(dst, len, sum);
}
#endif
@@ -42,10 +38,8 @@ static __inline__ __wsum csum_and_copy_to_user
{
sum = csum_partial(src, len, sum);
- if (access_ok(dst, len)) {
- if (copy_to_user(dst, src, len) == 0)
- return sum;
- }
+ if (copy_to_user(dst, src, len) == 0)
+ return sum;
if (len)
*err_ptr = -EFAULT;
diff --git a/include/net/compat.h b/include/net/compat.h
index e341260642fe..f241666117d8 100644
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -30,6 +30,24 @@ struct compat_cmsghdr {
compat_int_t cmsg_type;
};
+struct compat_rtentry {
+ u32 rt_pad1;
+ struct sockaddr rt_dst; /* target address */
+ struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
+ struct sockaddr rt_genmask; /* target network mask (IP) */
+ unsigned short rt_flags;
+ short rt_pad2;
+ u32 rt_pad3;
+ unsigned char rt_tos;
+ unsigned char rt_class;
+ short rt_pad4;
+ short rt_metric; /* +1 for binary compatibility! */
+ compat_uptr_t rt_dev; /* forcing the device at add */
+ u32 rt_mtu; /* per route MTU/Window */
+ u32 rt_window; /* Window clamping */
+ unsigned short rt_irtt; /* Initial RTT */
+};
+
#else /* defined(CONFIG_COMPAT) */
/*
* To avoid compiler warnings:
@@ -49,11 +67,28 @@ int put_cmsg_compat(struct msghdr*, int, int, int, void *);
int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
unsigned char *, int);
-int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
- int (*)(struct sock *, int, int, char __user *,
- unsigned int));
-int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
- int (*)(struct sock *, int, int, char __user *,
- int __user *));
+struct compat_group_req {
+ __u32 gr_interface;
+ struct __kernel_sockaddr_storage gr_group
+ __aligned(4);
+} __packed;
+
+struct compat_group_source_req {
+ __u32 gsr_interface;
+ struct __kernel_sockaddr_storage gsr_group
+ __aligned(4);
+ struct __kernel_sockaddr_storage gsr_source
+ __aligned(4);
+} __packed;
+
+struct compat_group_filter {
+ __u32 gf_interface;
+ struct __kernel_sockaddr_storage gf_group
+ __aligned(4);
+ __u32 gf_fmode;
+ __u32 gf_numsrc;
+ struct __kernel_sockaddr_storage gf_slist[1]
+ __aligned(4);
+} __packed;
#endif /* NET_COMPAT_H */
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 8ffc1b5cd89b..1df6dfec26c2 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -645,6 +645,50 @@ enum devlink_trap_generic_id {
DEVLINK_TRAP_GENERIC_ID_OVERLAY_SMAC_MC,
DEVLINK_TRAP_GENERIC_ID_INGRESS_FLOW_ACTION_DROP,
DEVLINK_TRAP_GENERIC_ID_EGRESS_FLOW_ACTION_DROP,
+ DEVLINK_TRAP_GENERIC_ID_STP,
+ DEVLINK_TRAP_GENERIC_ID_LACP,
+ DEVLINK_TRAP_GENERIC_ID_LLDP,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_QUERY,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V1_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V2_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V3_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_IGMP_V2_LEAVE,
+ DEVLINK_TRAP_GENERIC_ID_MLD_QUERY,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V1_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V2_REPORT,
+ DEVLINK_TRAP_GENERIC_ID_MLD_V1_DONE,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_DHCP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DHCP,
+ DEVLINK_TRAP_GENERIC_ID_ARP_REQUEST,
+ DEVLINK_TRAP_GENERIC_ID_ARP_RESPONSE,
+ DEVLINK_TRAP_GENERIC_ID_ARP_OVERLAY,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_SOLICIT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_NEIGH_ADVERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_BFD,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_BFD,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_OSPF,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_OSPF,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_BGP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_BGP,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_VRRP,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_VRRP,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_PIM,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_PIM,
+ DEVLINK_TRAP_GENERIC_ID_UC_LB,
+ DEVLINK_TRAP_GENERIC_ID_LOCAL_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_EXTERNAL_ROUTE,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_UC_DIP_LINK_LOCAL_SCOPE,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_NODES,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_DIP_ALL_ROUTERS,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_SOLICIT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ADVERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_REDIRECT,
+ DEVLINK_TRAP_GENERIC_ID_IPV4_ROUTER_ALERT,
+ DEVLINK_TRAP_GENERIC_ID_IPV6_ROUTER_ALERT,
+ DEVLINK_TRAP_GENERIC_ID_PTP_EVENT,
+ DEVLINK_TRAP_GENERIC_ID_PTP_GENERAL,
+ DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_SAMPLE,
+ DEVLINK_TRAP_GENERIC_ID_FLOW_ACTION_TRAP,
/* Add new generic trap IDs above */
__DEVLINK_TRAP_GENERIC_ID_MAX,
@@ -657,9 +701,28 @@ enum devlink_trap_generic_id {
enum devlink_trap_group_generic_id {
DEVLINK_TRAP_GROUP_GENERIC_ID_L2_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_L3_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_L3_EXCEPTIONS,
DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_TUNNEL_DROPS,
DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_DROPS,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_STP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LACP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LLDP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_MC_SNOOPING,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_DHCP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_NEIGH_DISCOVERY,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_BFD,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_OSPF,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_BGP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_VRRP,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PIM,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_UC_LB,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_LOCAL_DELIVERY,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_IPV6,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_EVENT,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_PTP_GENERAL,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_SAMPLE,
+ DEVLINK_TRAP_GROUP_GENERIC_ID_ACL_TRAP,
/* Add new generic trap group IDs above */
__DEVLINK_TRAP_GROUP_GENERIC_ID_MAX,
@@ -725,17 +788,143 @@ enum devlink_trap_group_generic_id {
"ingress_flow_action_drop"
#define DEVLINK_TRAP_GENERIC_NAME_EGRESS_FLOW_ACTION_DROP \
"egress_flow_action_drop"
+#define DEVLINK_TRAP_GENERIC_NAME_STP \
+ "stp"
+#define DEVLINK_TRAP_GENERIC_NAME_LACP \
+ "lacp"
+#define DEVLINK_TRAP_GENERIC_NAME_LLDP \
+ "lldp"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_QUERY \
+ "igmp_query"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V1_REPORT \
+ "igmp_v1_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_REPORT \
+ "igmp_v2_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V3_REPORT \
+ "igmp_v3_report"
+#define DEVLINK_TRAP_GENERIC_NAME_IGMP_V2_LEAVE \
+ "igmp_v2_leave"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_QUERY \
+ "mld_query"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_REPORT \
+ "mld_v1_report"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V2_REPORT \
+ "mld_v2_report"
+#define DEVLINK_TRAP_GENERIC_NAME_MLD_V1_DONE \
+ "mld_v1_done"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_DHCP \
+ "ipv4_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DHCP \
+ "ipv6_dhcp"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_REQUEST \
+ "arp_request"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_RESPONSE \
+ "arp_response"
+#define DEVLINK_TRAP_GENERIC_NAME_ARP_OVERLAY \
+ "arp_overlay"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_SOLICIT \
+ "ipv6_neigh_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_NEIGH_ADVERT \
+ "ipv6_neigh_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BFD \
+ "ipv4_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BFD \
+ "ipv6_bfd"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_OSPF \
+ "ipv4_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_OSPF \
+ "ipv6_ospf"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_BGP \
+ "ipv4_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_BGP \
+ "ipv6_bgp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_VRRP \
+ "ipv4_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_VRRP \
+ "ipv6_vrrp"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_PIM \
+ "ipv4_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_PIM \
+ "ipv6_pim"
+#define DEVLINK_TRAP_GENERIC_NAME_UC_LB \
+ "uc_loopback"
+#define DEVLINK_TRAP_GENERIC_NAME_LOCAL_ROUTE \
+ "local_route"
+#define DEVLINK_TRAP_GENERIC_NAME_EXTERNAL_ROUTE \
+ "external_route"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_UC_DIP_LINK_LOCAL_SCOPE \
+ "ipv6_uc_dip_link_local_scope"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_NODES \
+ "ipv6_dip_all_nodes"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_DIP_ALL_ROUTERS \
+ "ipv6_dip_all_routers"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_SOLICIT \
+ "ipv6_router_solicit"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ADVERT \
+ "ipv6_router_advert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_REDIRECT \
+ "ipv6_redirect"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV4_ROUTER_ALERT \
+ "ipv4_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_IPV6_ROUTER_ALERT \
+ "ipv6_router_alert"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_EVENT \
+ "ptp_event"
+#define DEVLINK_TRAP_GENERIC_NAME_PTP_GENERAL \
+ "ptp_general"
+#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_SAMPLE \
+ "flow_action_sample"
+#define DEVLINK_TRAP_GENERIC_NAME_FLOW_ACTION_TRAP \
+ "flow_action_trap"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L2_DROPS \
"l2_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_DROPS \
"l3_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_L3_EXCEPTIONS \
+ "l3_exceptions"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BUFFER_DROPS \
"buffer_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_TUNNEL_DROPS \
"tunnel_drops"
#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_DROPS \
"acl_drops"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_STP \
+ "stp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LACP \
+ "lacp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LLDP \
+ "lldp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_MC_SNOOPING \
+ "mc_snooping"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_DHCP \
+ "dhcp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_NEIGH_DISCOVERY \
+ "neigh_discovery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BFD \
+ "bfd"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_OSPF \
+ "ospf"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_BGP \
+ "bgp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_VRRP \
+ "vrrp"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PIM \
+ "pim"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_UC_LB \
+ "uc_loopback"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_LOCAL_DELIVERY \
+ "local_delivery"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_IPV6 \
+ "ipv6"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_EVENT \
+ "ptp_event"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_PTP_GENERAL \
+ "ptp_general"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_SAMPLE \
+ "acl_sample"
+#define DEVLINK_TRAP_GROUP_GENERIC_NAME_ACL_TRAP \
+ "acl_trap"
#define DEVLINK_TRAP_GENERIC(_type, _init_action, _id, _group_id, \
_metadata_cap) \
diff --git a/include/net/dsa.h b/include/net/dsa.h
index fb3f9222f2a1..50389772c597 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -282,6 +282,13 @@ struct dsa_switch {
*/
bool vlan_filtering_is_global;
+ /* Pass .port_vlan_add and .port_vlan_del to drivers even for bridges
+ * that have vlan_filtering=0. All drivers should ideally set this (and
+ * then the option would get removed), but it is unknown whether this
+ * would break things or not.
+ */
+ bool configure_vlan_while_not_filtering;
+
/* In case vlan_filtering_is_global is set, the VLAN awareness state
* should be retrieved from here and not from the per-port settings.
*/
@@ -574,10 +581,12 @@ struct dsa_switch_ops {
/*
* Cross-chip operations
*/
- int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index,
- int port, struct net_device *br);
- void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index,
- int port, struct net_device *br);
+ int (*crosschip_bridge_join)(struct dsa_switch *ds, int tree_index,
+ int sw_index, int port,
+ struct net_device *br);
+ void (*crosschip_bridge_leave)(struct dsa_switch *ds, int tree_index,
+ int sw_index, int port,
+ struct net_device *br);
/*
* PTP functionality
@@ -637,6 +646,7 @@ void dsa_devlink_resource_occ_get_register(struct dsa_switch *ds,
void *occ_get_priv);
void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds,
u64 resource_id);
+struct dsa_port *dsa_port_from_netdev(struct net_device *netdev);
struct dsa_devlink_priv {
struct dsa_switch *ds;
@@ -650,7 +660,7 @@ struct dsa_switch_driver {
struct net_device *dsa_dev_to_net_device(struct device *dev);
/* Keep inline for faster access in hot path */
-static inline bool netdev_uses_dsa(struct net_device *dev)
+static inline bool netdev_uses_dsa(const struct net_device *dev)
{
#if IS_ENABLED(CONFIG_NET_DSA)
return dev->dsa_ptr && dev->dsa_ptr->rcv;
@@ -669,6 +679,7 @@ static inline bool dsa_can_decode(const struct sk_buff *skb,
void dsa_unregister_switch(struct dsa_switch *ds);
int dsa_register_switch(struct dsa_switch *ds);
+struct dsa_switch *dsa_switch_find(int tree_index, int sw_index);
#ifdef CONFIG_PM_SLEEP
int dsa_switch_suspend(struct dsa_switch *ds);
int dsa_switch_resume(struct dsa_switch *ds);
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 443863c7b8da..88ff7bb2bb9b 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -53,9 +53,11 @@ static inline int dst_entries_get_slow(struct dst_ops *dst)
return percpu_counter_sum_positive(&dst->pcpuc_entries);
}
+#define DST_PERCPU_COUNTER_BATCH 32
static inline void dst_entries_add(struct dst_ops *dst, int val)
{
- percpu_counter_add(&dst->pcpuc_entries, val);
+ percpu_counter_add_batch(&dst->pcpuc_entries, val,
+ DST_PERCPU_COUNTER_BATCH);
}
static inline int dst_entries_init(struct dst_ops *dst)
diff --git a/include/net/erspan.h b/include/net/erspan.h
index b39643ef4c95..0d9e86bd9893 100644
--- a/include/net/erspan.h
+++ b/include/net/erspan.h
@@ -2,7 +2,19 @@
#define __LINUX_ERSPAN_H
/*
- * GRE header for ERSPAN encapsulation (8 octets [34:41]) -- 8 bytes
+ * GRE header for ERSPAN type I encapsulation (4 octets [34:37])
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |0|0|0|0|0|00000|000000000|00000| Protocol Type for ERSPAN |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ * The Type I ERSPAN frame format is based on the barebones IP + GRE
+ * encapsulation (as described above) on top of the raw mirrored frame.
+ * There is no extra ERSPAN header.
+ *
+ *
+ * GRE header for ERSPAN type II and II encapsulation (8 octets [34:41])
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
@@ -43,7 +55,7 @@
* | Platform Specific Info |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
- * GRE proto ERSPAN type II = 0x88BE, type III = 0x22EB
+ * GRE proto ERSPAN type I/II = 0x88BE, type III = 0x22EB
*/
#include <uapi/linux/erspan.h>
@@ -139,6 +151,9 @@ static inline u8 get_hwid(const struct erspan_md2 *md2)
static inline int erspan_hdr_len(int version)
{
+ if (version == 0)
+ return 0;
+
return sizeof(struct erspan_base_hdr) +
(version == 1 ? ERSPAN_V1_MDSIZE : ERSPAN_V2_MDSIZE);
}
diff --git a/include/net/espintcp.h b/include/net/espintcp.h
index dd7026a00066..0335bbd76552 100644
--- a/include/net/espintcp.h
+++ b/include/net/espintcp.h
@@ -25,6 +25,7 @@ struct espintcp_ctx {
struct espintcp_msg partial;
void (*saved_data_ready)(struct sock *sk);
void (*saved_write_space)(struct sock *sk);
+ void (*saved_destruct)(struct sock *sk);
struct work_struct work;
bool tx_running;
};
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 628383915827..a7eba43fe4e4 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -8,6 +8,8 @@
#include <linux/string.h>
#include <uapi/linux/if_ether.h>
+struct bpf_prog;
+struct net;
struct sk_buff;
/**
@@ -59,13 +61,25 @@ struct flow_dissector_key_vlan {
__be16 vlan_tpid;
};
-struct flow_dissector_key_mpls {
+struct flow_dissector_mpls_lse {
u32 mpls_ttl:8,
mpls_bos:1,
mpls_tc:3,
mpls_label:20;
};
+#define FLOW_DIS_MPLS_MAX 7
+struct flow_dissector_key_mpls {
+ struct flow_dissector_mpls_lse ls[FLOW_DIS_MPLS_MAX]; /* Label Stack */
+ u8 used_lses; /* One bit set for each Label Stack Entry in use */
+};
+
+static inline void dissector_set_mpls_lse(struct flow_dissector_key_mpls *mpls,
+ int lse_index)
+{
+ mpls->used_lses |= 1 << lse_index;
+}
+
#define FLOW_DIS_TUN_OPTS_MAX 255
/**
* struct flow_dissector_key_enc_opts:
@@ -357,4 +371,8 @@ flow_dissector_init_keys(struct flow_dissector_key_control *key_control,
memset(key_basic, 0, sizeof(*key_basic));
}
+#ifdef CONFIG_BPF_SYSCALL
+int flow_dissector_bpf_prog_attach(struct net *net, struct bpf_prog *prog);
+#endif /* CONFIG_BPF_SYSCALL */
+
#endif
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 3619c6acf60f..69e13c8b6b3a 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -147,6 +147,7 @@ enum flow_action_id {
FLOW_ACTION_MPLS_PUSH,
FLOW_ACTION_MPLS_POP,
FLOW_ACTION_MPLS_MANGLE,
+ FLOW_ACTION_GATE,
NUM_FLOW_ACTIONS,
};
@@ -166,15 +167,20 @@ enum flow_action_mangle_base {
enum flow_action_hw_stats_bit {
FLOW_ACTION_HW_STATS_IMMEDIATE_BIT,
FLOW_ACTION_HW_STATS_DELAYED_BIT,
+ FLOW_ACTION_HW_STATS_DISABLED_BIT,
+
+ FLOW_ACTION_HW_STATS_NUM_BITS
};
enum flow_action_hw_stats {
- FLOW_ACTION_HW_STATS_DISABLED = 0,
FLOW_ACTION_HW_STATS_IMMEDIATE =
BIT(FLOW_ACTION_HW_STATS_IMMEDIATE_BIT),
FLOW_ACTION_HW_STATS_DELAYED = BIT(FLOW_ACTION_HW_STATS_DELAYED_BIT),
FLOW_ACTION_HW_STATS_ANY = FLOW_ACTION_HW_STATS_IMMEDIATE |
FLOW_ACTION_HW_STATS_DELAYED,
+ FLOW_ACTION_HW_STATS_DISABLED =
+ BIT(FLOW_ACTION_HW_STATS_DISABLED_BIT),
+ FLOW_ACTION_HW_STATS_DONT_CARE = BIT(FLOW_ACTION_HW_STATS_NUM_BITS) - 1,
};
typedef void (*action_destr)(void *priv);
@@ -255,6 +261,15 @@ struct flow_action_entry {
u8 bos;
u8 ttl;
} mpls_mangle;
+ struct {
+ u32 index;
+ s32 prio;
+ u64 basetime;
+ u64 cycletime;
+ u64 cycletimeext;
+ u32 num_entries;
+ struct action_gate_entry *entries;
+ } gate;
};
struct flow_action_cookie *cookie; /* user defined action cookie */
};
@@ -325,9 +340,14 @@ __flow_action_hw_stats_check(const struct flow_action *action,
return true;
if (!flow_action_mixed_hw_stats_check(action, extack))
return false;
+
action_entry = flow_action_first_entry_get(action);
+
+ /* Zero is not a legal value for hw_stats, catch anyone passing it */
+ WARN_ON_ONCE(!action_entry->hw_stats);
+
if (!check_allow_bit &&
- action_entry->hw_stats != FLOW_ACTION_HW_STATS_ANY) {
+ ~action_entry->hw_stats & FLOW_ACTION_HW_STATS_ANY) {
NL_SET_ERR_MSG_MOD(extack, "Driver supports only default HW stats type \"any\"");
return false;
} else if (check_allow_bit &&
@@ -423,6 +443,16 @@ enum tc_setup_type;
typedef int flow_setup_cb_t(enum tc_setup_type type, void *type_data,
void *cb_priv);
+struct flow_block_cb;
+
+struct flow_block_indr {
+ struct list_head list;
+ struct net_device *dev;
+ enum flow_block_binder_type binder_type;
+ void *data;
+ void (*cleanup)(struct flow_block_cb *block_cb);
+};
+
struct flow_block_cb {
struct list_head driver_list;
struct list_head list;
@@ -430,6 +460,7 @@ struct flow_block_cb {
void *cb_ident;
void *cb_priv;
void (*release)(void *cb_priv);
+ struct flow_block_indr indr;
unsigned int refcnt;
};
@@ -503,19 +534,18 @@ static inline void flow_block_init(struct flow_block *flow_block)
typedef int flow_indr_block_bind_cb_t(struct net_device *dev, void *cb_priv,
enum tc_setup_type type, void *type_data);
+int flow_indr_dev_register(flow_indr_block_bind_cb_t *cb, void *cb_priv);
+void flow_indr_dev_unregister(flow_indr_block_bind_cb_t *cb, void *cb_priv,
+ flow_setup_cb_t *setup_cb);
+int flow_indr_dev_setup_offload(struct net_device *dev,
+ enum tc_setup_type type, void *data,
+ struct flow_block_offload *bo,
+ void (*cleanup)(struct flow_block_cb *block_cb));
+
typedef void flow_indr_block_cmd_t(struct net_device *dev,
flow_indr_block_bind_cb_t *cb, void *cb_priv,
enum flow_block_command command);
-struct flow_indr_block_entry {
- flow_indr_block_cmd_t *cb;
- struct list_head list;
-};
-
-void flow_indr_add_block_cb(struct flow_indr_block_entry *entry);
-
-void flow_indr_del_block_cb(struct flow_indr_block_entry *entry);
-
int __flow_indr_block_cb_register(struct net_device *dev, void *cb_priv,
flow_indr_block_bind_cb_t *cb,
void *cb_ident);
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index a01981d7108f..8bf5906073bc 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -78,7 +78,7 @@ struct inet6_ifaddr {
struct ip6_sf_socklist {
unsigned int sl_max;
unsigned int sl_count;
- struct in6_addr sl_addr[0];
+ struct in6_addr sl_addr[];
};
#define IP6_SFLSIZE(count) (sizeof(struct ip6_sf_socklist) + \
@@ -190,7 +190,6 @@ struct inet6_dev {
int dead;
u32 desync_factor;
- u8 rndid[8];
struct list_head tempaddr_list;
struct in6_addr token;
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index ae2ba897675c..cb2818862919 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -35,8 +35,14 @@ int inet_shutdown(struct socket *sock, int how);
int inet_listen(struct socket *sock, int backlog);
void inet_sock_destruct(struct sock *sk);
int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
+/* Don't allocate port at this moment, defer to connect. */
+#define BIND_FORCE_ADDRESS_NO_PORT (1 << 0)
+/* Grab and release socket lock. */
+#define BIND_WITH_LOCK (1 << 1)
+/* Called from BPF program. */
+#define BIND_FROM_BPF (1 << 2)
int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
- bool force_bind_address_no_port, bool with_lock);
+ u32 flags);
int inet_getname(struct socket *sock, struct sockaddr *uaddr,
int peer);
int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index a3f076befa4f..2f1f8c3efb26 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -287,6 +287,14 @@ static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk)
void inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req);
void inet_csk_reqsk_queue_drop_and_put(struct sock *sk, struct request_sock *req);
+static inline void inet_csk_prepare_for_destroy_sock(struct sock *sk)
+{
+ /* The below has to be done to allow calling inet_csk_destroy_sock */
+ sock_set_flag(sk, SOCK_DEAD);
+ percpu_counter_inc(sk->sk_prot->orphan_count);
+ inet_sk(sk)->inet_num = 0;
+}
+
void inet_csk_destroy_sock(struct sock *sk);
void inet_csk_prepare_forced_close(struct sock *sk);
diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h
index c8e2bebd8d93..0f0d1efe06dd 100644
--- a/include/net/inet_ecn.h
+++ b/include/net/inet_ecn.h
@@ -99,6 +99,20 @@ static inline int IP_ECN_set_ce(struct iphdr *iph)
return 1;
}
+static inline int IP_ECN_set_ect1(struct iphdr *iph)
+{
+ u32 check = (__force u32)iph->check;
+
+ if ((iph->tos & INET_ECN_MASK) != INET_ECN_ECT_0)
+ return 0;
+
+ check += (__force u16)htons(0x100);
+
+ iph->check = (__force __sum16)(check + (check>=0xFFFF));
+ iph->tos ^= INET_ECN_MASK;
+ return 1;
+}
+
static inline void IP_ECN_clear(struct iphdr *iph)
{
iph->tos &= ~INET_ECN_MASK;
@@ -134,6 +148,22 @@ static inline int IP6_ECN_set_ce(struct sk_buff *skb, struct ipv6hdr *iph)
return 1;
}
+static inline int IP6_ECN_set_ect1(struct sk_buff *skb, struct ipv6hdr *iph)
+{
+ __be32 from, to;
+
+ if ((ipv6_get_dsfield(iph) & INET_ECN_MASK) != INET_ECN_ECT_0)
+ return 0;
+
+ from = *(__be32 *)iph;
+ to = from ^ htonl(INET_ECN_MASK << 20);
+ *(__be32 *)iph = to;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)from),
+ (__force __wsum)to);
+ return 1;
+}
+
static inline void ipv6_copy_dscp(unsigned int dscp, struct ipv6hdr *inner)
{
dscp &= ~INET_ECN_MASK;
@@ -159,6 +189,25 @@ static inline int INET_ECN_set_ce(struct sk_buff *skb)
return 0;
}
+static inline int INET_ECN_set_ect1(struct sk_buff *skb)
+{
+ switch (skb->protocol) {
+ case cpu_to_be16(ETH_P_IP):
+ if (skb_network_header(skb) + sizeof(struct iphdr) <=
+ skb_tail_pointer(skb))
+ return IP_ECN_set_ect1(ip_hdr(skb));
+ break;
+
+ case cpu_to_be16(ETH_P_IPV6):
+ if (skb_network_header(skb) + sizeof(struct ipv6hdr) <=
+ skb_tail_pointer(skb))
+ return IP6_ECN_set_ect1(skb, ipv6_hdr(skb));
+ break;
+ }
+
+ return 0;
+}
+
/*
* RFC 6040 4.2
* To decapsulate the inner header at the tunnel egress, a compliant
@@ -208,8 +257,12 @@ static inline int INET_ECN_decapsulate(struct sk_buff *skb,
int rc;
rc = __INET_ECN_decapsulate(outer, inner, &set_ce);
- if (!rc && set_ce)
- INET_ECN_set_ce(skb);
+ if (!rc) {
+ if (set_ce)
+ INET_ECN_set_ce(skb);
+ else if ((outer & INET_ECN_MASK) == INET_ECN_ECT_1)
+ INET_ECN_set_ect1(skb);
+ }
return rc;
}
diff --git a/include/net/ip.h b/include/net/ip.h
index 5b317c9f4470..04ebe7bf54c6 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -765,4 +765,10 @@ static inline bool inetdev_valid_mtu(unsigned int mtu)
return likely(mtu >= IPV4_MIN_MTU);
}
+void ip_sock_set_freebind(struct sock *sk);
+int ip_sock_set_mtu_discover(struct sock *sk, int val);
+void ip_sock_set_pktinfo(struct sock *sk);
+void ip_sock_set_recverr(struct sock *sk);
+void ip_sock_set_tos(struct sock *sk, int val);
+
#endif /* _IP_H */
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 80262d2980f5..3f615a29766e 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -65,6 +65,7 @@ struct fib6_config {
struct nl_info fc_nlinfo;
struct nlattr *fc_encap;
u16 fc_encap_type;
+ bool fc_is_fdb;
};
struct fib6_node {
@@ -203,6 +204,7 @@ struct fib6_info {
struct rt6_info {
struct dst_entry dst;
struct fib6_info __rcu *from;
+ int sernum;
struct rt6key rt6i_dst;
struct rt6key rt6i_src;
@@ -291,6 +293,9 @@ static inline u32 rt6_get_cookie(const struct rt6_info *rt)
struct fib6_info *from;
u32 cookie = 0;
+ if (rt->sernum)
+ return rt->sernum;
+
rcu_read_lock();
from = rcu_dereference(rt->from);
@@ -540,6 +545,13 @@ static inline bool fib6_metric_locked(struct fib6_info *f6i, int metric)
return !!(f6i->fib6_metrics->metrics[RTAX_LOCK - 1] & (1 << metric));
}
+#if IS_BUILTIN(CONFIG_IPV6) && defined(CONFIG_BPF_SYSCALL)
+struct bpf_iter__ipv6_route {
+ __bpf_md_ptr(struct bpf_iter_meta *, meta);
+ __bpf_md_ptr(struct fib6_info *, rt);
+};
+#endif
+
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
static inline bool fib6_has_custom_rules(const struct net *net)
{
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 9947eb1e9eb6..2a5277758379 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -118,12 +118,13 @@ void ip6_route_init_special_entries(void);
int ip6_route_init(void);
void ip6_route_cleanup(void);
-int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg);
+int ipv6_route_ioctl(struct net *net, unsigned int cmd,
+ struct in6_rtmsg *rtmsg);
int ip6_route_add(struct fib6_config *cfg, gfp_t gfp_flags,
struct netlink_ext_ack *extack);
int ip6_ins_rt(struct net *net, struct fib6_info *f6i);
-int ip6_del_rt(struct net *net, struct fib6_info *f6i);
+int ip6_del_rt(struct net *net, struct fib6_info *f6i, bool skip_notify);
void rt6_flush_exceptions(struct fib6_info *f6i);
void rt6_age_exceptions(struct fib6_info *f6i, struct fib6_gc_args *gc_args,
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 59e0d4e99f94..2ec062aaa978 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -257,7 +257,6 @@ struct fib_dump_filter {
u32 table_id;
/* filter_set is an optimization that an entry is set */
bool filter_set;
- bool dump_all_families;
bool dump_routes;
bool dump_exceptions;
unsigned char protocol;
@@ -448,6 +447,16 @@ static inline int fib_num_tclassid_users(struct net *net)
#endif
int fib_unmerge(struct net *net);
+static inline bool nhc_l3mdev_matches_dev(const struct fib_nh_common *nhc,
+const struct net_device *dev)
+{
+ if (nhc->nhc_dev == dev ||
+ l3mdev_master_ifindex_rcu(nhc->nhc_dev) == dev->ifindex)
+ return true;
+
+ return false;
+}
+
/* Exported by fib_semantics.c */
int ip_fib_check_default(__be32 gw, struct net_device *dev);
int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
@@ -480,6 +489,8 @@ void fib_nh_common_release(struct fib_nh_common *nhc);
void fib_alias_hw_flags_set(struct net *net, const struct fib_rt_info *fri);
void fib_trie_init(void);
struct fib_table *fib_trie_table(u32 id, struct fib_table *alias);
+bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags,
+ const struct flowi4 *flp);
static inline void fib_combine_itag(u32 *itag, const struct fib_result *res)
{
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 236503a50759..076e5d7db7d3 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -269,7 +269,8 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const struct iphdr *tnl_params, const u8 protocol);
void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
const u8 proto, int tunnel_hlen);
-int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
+int ip_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
+int ip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict);
int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 1bf8065fe871..5e65bf2fd32d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -908,7 +908,6 @@ static inline int ip6_default_np_autolabel(struct net *net)
}
}
#else
-static inline void ip6_set_txhash(struct sock *sk) { }
static inline __be32 ip6_make_flowlabel(struct net *net, struct sk_buff *skb,
__be32 flowlabel, bool autolabel,
struct flowi6 *fl6)
@@ -1116,6 +1115,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
int peer);
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
+int inet6_compat_ioctl(struct socket *sock, unsigned int cmd,
+ unsigned long arg);
int inet6_hash_connect(struct inet_timewait_death_row *death_row,
struct sock *sk);
@@ -1135,9 +1136,10 @@ struct group_filter;
int ip6_mc_source(int add, int omode, struct sock *sk,
struct group_source_req *pgsr);
-int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
+int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf,
+ struct sockaddr_storage *list);
int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
- struct group_filter __user *optval, int __user *optlen);
+ struct sockaddr_storage __user *p);
#ifdef CONFIG_PROC_FS
int ac6_proc_init(struct net *net);
@@ -1175,4 +1177,96 @@ int ipv6_sock_mc_join_ssm(struct sock *sk, int ifindex,
const struct in6_addr *addr, unsigned int mode);
int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
const struct in6_addr *addr);
+
+static inline int ip6_sock_set_v6only(struct sock *sk)
+{
+ if (inet_sk(sk)->inet_num)
+ return -EINVAL;
+ lock_sock(sk);
+ sk->sk_ipv6only = true;
+ release_sock(sk);
+ return 0;
+}
+
+static inline void ip6_sock_set_recverr(struct sock *sk)
+{
+ lock_sock(sk);
+ inet6_sk(sk)->recverr = true;
+ release_sock(sk);
+}
+
+static inline int __ip6_sock_set_addr_preferences(struct sock *sk, int val)
+{
+ unsigned int pref = 0;
+ unsigned int prefmask = ~0;
+
+ /* check PUBLIC/TMP/PUBTMP_DEFAULT conflicts */
+ switch (val & (IPV6_PREFER_SRC_PUBLIC |
+ IPV6_PREFER_SRC_TMP |
+ IPV6_PREFER_SRC_PUBTMP_DEFAULT)) {
+ case IPV6_PREFER_SRC_PUBLIC:
+ pref |= IPV6_PREFER_SRC_PUBLIC;
+ prefmask &= ~(IPV6_PREFER_SRC_PUBLIC |
+ IPV6_PREFER_SRC_TMP);
+ break;
+ case IPV6_PREFER_SRC_TMP:
+ pref |= IPV6_PREFER_SRC_TMP;
+ prefmask &= ~(IPV6_PREFER_SRC_PUBLIC |
+ IPV6_PREFER_SRC_TMP);
+ break;
+ case IPV6_PREFER_SRC_PUBTMP_DEFAULT:
+ prefmask &= ~(IPV6_PREFER_SRC_PUBLIC |
+ IPV6_PREFER_SRC_TMP);
+ break;
+ case 0:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* check HOME/COA conflicts */
+ switch (val & (IPV6_PREFER_SRC_HOME | IPV6_PREFER_SRC_COA)) {
+ case IPV6_PREFER_SRC_HOME:
+ prefmask &= ~IPV6_PREFER_SRC_COA;
+ break;
+ case IPV6_PREFER_SRC_COA:
+ pref |= IPV6_PREFER_SRC_COA;
+ break;
+ case 0:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* check CGA/NONCGA conflicts */
+ switch (val & (IPV6_PREFER_SRC_CGA|IPV6_PREFER_SRC_NONCGA)) {
+ case IPV6_PREFER_SRC_CGA:
+ case IPV6_PREFER_SRC_NONCGA:
+ case 0:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ inet6_sk(sk)->srcprefs = (inet6_sk(sk)->srcprefs & prefmask) | pref;
+ return 0;
+}
+
+static inline int ip6_sock_set_addr_preferences(struct sock *sk, bool val)
+{
+ int ret;
+
+ lock_sock(sk);
+ ret = __ip6_sock_set_addr_preferences(sk, val);
+ release_sock(sk);
+ return ret;
+}
+
+static inline void ip6_sock_set_recvpktinfo(struct sock *sk)
+{
+ lock_sock(sk);
+ inet6_sk(sk)->rxopt.bits.rxinfo = true;
+ release_sock(sk);
+}
+
#endif /* _NET_IPV6_H */
diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h
index 3e7d2c0e79ca..d7a7f7c81e7b 100644
--- a/include/net/ipv6_stubs.h
+++ b/include/net/ipv6_stubs.h
@@ -48,7 +48,7 @@ struct ipv6_stub {
struct netlink_ext_ack *extack);
void (*fib6_nh_release)(struct fib6_nh *fib6_nh);
void (*fib6_update_sernum)(struct net *net, struct fib6_info *rt);
- int (*ip6_del_rt)(struct net *net, struct fib6_info *rt);
+ int (*ip6_del_rt)(struct net *net, struct fib6_info *rt, bool skip_notify);
void (*fib6_rt_update)(struct net *net, struct fib6_info *rt,
struct nl_info *info);
@@ -56,6 +56,12 @@ struct ipv6_stub {
void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
const struct in6_addr *solicited_addr,
bool router, bool solicited, bool override, bool inc_opt);
+#if IS_ENABLED(CONFIG_XFRM)
+ void (*xfrm6_local_rxpmtu)(struct sk_buff *skb, u32 mtu);
+ int (*xfrm6_udp_encap_rcv)(struct sock *sk, struct sk_buff *skb);
+ int (*xfrm6_rcv_encap)(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type);
+#endif
struct neigh_table *nd_tbl;
};
extern const struct ipv6_stub *ipv6_stub __read_mostly;
@@ -63,7 +69,7 @@ extern const struct ipv6_stub *ipv6_stub __read_mostly;
/* A stub used by bpf helpers. Similarly ugly as ipv6_stub */
struct ipv6_bpf_stub {
int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
- bool force_bind_address_no_port, bool with_lock);
+ u32 flags);
struct sock *(*udp6_lib_lookup)(struct net *net,
const struct in6_addr *saddr, __be16 sport,
const struct in6_addr *daddr, __be16 dport,
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index 14a490246be9..9259ce2b22f3 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -158,12 +158,4 @@ struct iucv_sock_list {
atomic_t autobind_name;
};
-__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
- poll_table *wait);
-void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
-void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);
-void iucv_accept_enqueue(struct sock *parent, struct sock *sk);
-void iucv_accept_unlink(struct sock *sk);
-struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock);
-
#endif /* __IUCV_H */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b6b4de0e4b5e..11d5610d2ad5 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -7,7 +7,7 @@
* Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*/
#ifndef MAC80211_H
@@ -230,7 +230,7 @@ struct ieee80211_chanctx_conf {
bool radar_enabled;
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
/**
@@ -508,6 +508,7 @@ struct ieee80211_ftm_responder_params {
* mode only, set if the AP advertises TWT responder role)
* @twt_responder: does this BSS support TWT requester (relevant for managed
* mode only, set if the AP advertises TWT responder role)
+ * @twt_protected: does this BSS support protected TWT frames
* @assoc: association status
* @ibss_joined: indicates whether this station is part of an IBSS
* or not
@@ -603,7 +604,7 @@ struct ieee80211_ftm_responder_params {
* nontransmitted BSSIDs
* @profile_periodicity: the least number of beacon frames need to be received
* in order to discover all the nontransmitted BSSIDs in the set.
- * @he_operation: HE operation information of the AP we are connected to
+ * @he_oper: HE operation information of the AP we are connected to
* @he_obss_pd: OBSS Packet Detection parameters.
* @he_bss_color: BSS coloring settings, if BSS supports HE
*/
@@ -618,6 +619,7 @@ struct ieee80211_bss_conf {
bool he_support;
bool twt_requester;
bool twt_responder;
+ bool twt_protected;
/* association related data */
bool assoc, ibss_joined;
bool ibss_creator;
@@ -666,7 +668,10 @@ struct ieee80211_bss_conf {
u8 bssid_indicator;
bool ema_ap;
u8 profile_periodicity;
- struct ieee80211_he_operation he_operation;
+ struct {
+ u32 params;
+ u16 nss_set;
+ } he_oper;
struct ieee80211_he_obss_pd he_obss_pd;
struct cfg80211_he_bss_color he_bss_color;
};
@@ -818,6 +823,8 @@ enum mac80211_tx_info_flags {
* @IEEE80211_TX_CTRL_AMSDU: This frame is an A-MSDU frame
* @IEEE80211_TX_CTRL_FAST_XMIT: This frame is going through the fast_xmit path
* @IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP: This frame skips mesh path lookup
+ * @IEEE80211_TX_CTRL_HW_80211_ENCAP: This frame uses hardware encapsulation
+ * (header conversion)
*
* These flags are used in tx_info->control.flags.
*/
@@ -1333,6 +1340,7 @@ enum mac80211_rx_encoding {
* @freq: frequency the radio was tuned to when receiving this frame, in MHz
* This field must be set for management frames, but isn't strictly needed
* for data (other) frames - for those it only affects radiotap reporting.
+ * @freq_offset: @freq has a positive offset of 500Khz.
* @signal: signal strength when receiving this frame, either in dBm, in dB or
* unspecified depending on the hardware capabilities flags
* @IEEE80211_HW_SIGNAL_*
@@ -1363,7 +1371,7 @@ struct ieee80211_rx_status {
u32 device_timestamp;
u32 ampdu_reference;
u32 flag;
- u16 freq;
+ u16 freq: 13, freq_offset: 1;
u8 enc_flags;
u8 encoding:2, bw:3, he_ru:3;
u8 he_gi:2, he_dcm:1;
@@ -1379,6 +1387,13 @@ struct ieee80211_rx_status {
u8 zero_length_psdu_type;
};
+static inline u32
+ieee80211_rx_status_to_khz(struct ieee80211_rx_status *rx_status)
+{
+ return MHZ_TO_KHZ(rx_status->freq) +
+ (rx_status->freq_offset ? 500 : 0);
+}
+
/**
* struct ieee80211_vendor_radiotap - vendor radiotap data information
* @present: presence bitmap for this vendor namespace
@@ -1620,6 +1635,8 @@ enum ieee80211_vif_flags {
* monitor interface (if that is requested.)
* @probe_req_reg: probe requests should be reported to mac80211 for this
* interface.
+ * @rx_mcast_action_reg: multicast Action frames should be reported to mac80211
+ * for this interface.
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void \*).
* @txq: the multicast data TX queue (if driver uses the TXQ abstraction)
@@ -1647,12 +1664,13 @@ struct ieee80211_vif {
struct dentry *debugfs_dir;
#endif
- unsigned int probe_req_reg;
+ bool probe_req_reg;
+ bool rx_mcast_action_reg;
bool txqs_stopped[IEEE80211_NUM_ACS];
/* must be last */
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
@@ -1780,7 +1798,7 @@ struct ieee80211_key_conf {
s8 keyidx;
u16 flags;
u8 keylen;
- u8 key[0];
+ u8 key[];
};
#define IEEE80211_MAX_PN_LEN 16
@@ -1959,6 +1977,7 @@ struct ieee80211_sta_txpwr {
* @ht_cap: HT capabilities of this STA; restricted to our own capabilities
* @vht_cap: VHT capabilities of this STA; restricted to our own capabilities
* @he_cap: HE capabilities of this STA
+ * @he_6ghz_capa: on 6 GHz, holds the HE 6 GHz band capabilities
* @max_rx_aggregation_subframes: maximal amount of frames in a single AMPDU
* that this station is allowed to transmit to us.
* Can be modified by driver.
@@ -1998,6 +2017,7 @@ struct ieee80211_sta {
struct ieee80211_sta_ht_cap ht_cap;
struct ieee80211_sta_vht_cap vht_cap;
struct ieee80211_sta_he_cap he_cap;
+ struct ieee80211_he_6ghz_capa he_6ghz_capa;
u16 max_rx_aggregation_subframes;
bool wme;
u8 uapsd_queues;
@@ -2035,7 +2055,7 @@ struct ieee80211_sta {
struct ieee80211_txq *txq[IEEE80211_NUM_TIDS + 1];
/* must be last */
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
/**
@@ -2081,7 +2101,7 @@ struct ieee80211_txq {
u8 ac;
/* must be last */
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
/**
@@ -3091,6 +3111,8 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb);
* @FIF_PSPOLL: pass PS Poll frames
*
* @FIF_PROBE_REQ: pass probe request frames
+ *
+ * @FIF_MCAST_ACTION: pass multicast Action frames
*/
enum ieee80211_filter_flags {
FIF_ALLMULTI = 1<<1,
@@ -3101,6 +3123,7 @@ enum ieee80211_filter_flags {
FIF_OTHER_BSS = 1<<6,
FIF_PSPOLL = 1<<7,
FIF_PROBE_REQ = 1<<8,
+ FIF_MCAST_ACTION = 1<<9,
};
/**
@@ -3117,7 +3140,10 @@ enum ieee80211_filter_flags {
* @IEEE80211_AMPDU_RX_START: start RX aggregation
* @IEEE80211_AMPDU_RX_STOP: stop RX aggregation
* @IEEE80211_AMPDU_TX_START: start TX aggregation, the driver must either
- * call ieee80211_start_tx_ba_cb_irqsafe() or return the special
+ * call ieee80211_start_tx_ba_cb_irqsafe() or
+ * call ieee80211_start_tx_ba_cb_irqsafe() with status
+ * %IEEE80211_AMPDU_TX_START_DELAY_ADDBA to delay addba after
+ * ieee80211_start_tx_ba_cb_irqsafe is called, or just return the special
* status %IEEE80211_AMPDU_TX_START_IMMEDIATE.
* @IEEE80211_AMPDU_TX_OPERATIONAL: TX aggregation has become operational
* @IEEE80211_AMPDU_TX_STOP_CONT: stop TX aggregation but continue transmitting
@@ -3143,6 +3169,7 @@ enum ieee80211_ampdu_mlme_action {
};
#define IEEE80211_AMPDU_TX_START_IMMEDIATE 1
+#define IEEE80211_AMPDU_TX_START_DELAY_ADDBA 2
/**
* struct ieee80211_ampdu_params - AMPDU action parameters
@@ -6007,7 +6034,9 @@ enum rate_control_capabilities {
struct rate_control_ops {
unsigned long capa;
const char *name;
- void *(*alloc)(struct ieee80211_hw *hw, struct dentry *debugfsdir);
+ void *(*alloc)(struct ieee80211_hw *hw);
+ void (*add_debugfs)(struct ieee80211_hw *hw, void *priv,
+ struct dentry *debugfsdir);
void (*free)(void *priv);
void *(*alloc_sta)(void *priv, struct ieee80211_sta *sta, gfp_t gfp);
diff --git a/include/net/mpls.h b/include/net/mpls.h
index ccaf238e8ea7..0bb7944e7b08 100644
--- a/include/net/mpls.h
+++ b/include/net/mpls.h
@@ -8,6 +8,7 @@
#include <linux/if_ether.h>
#include <linux/netdevice.h>
+#include <linux/mpls.h>
#define MPLS_HLEN 4
@@ -25,4 +26,20 @@ static inline struct mpls_shim_hdr *mpls_hdr(const struct sk_buff *skb)
{
return (struct mpls_shim_hdr *)skb_network_header(skb);
}
+
+static inline struct mpls_shim_hdr mpls_entry_encode(u32 label,
+ unsigned int ttl,
+ unsigned int tc,
+ bool bos)
+{
+ struct mpls_shim_hdr result;
+
+ result.label_stack_entry =
+ cpu_to_be32((label << MPLS_LS_LABEL_SHIFT) |
+ (tc << MPLS_LS_TC_SHIFT) |
+ (bos ? (1 << MPLS_LS_S_SHIFT) : 0) |
+ (ttl << MPLS_LS_TTL_SHIFT));
+ return result;
+}
+
#endif
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index 0e7c5471010b..46d0487d2b22 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -16,7 +16,10 @@ struct seq_file;
/* MPTCP sk_buff extension data */
struct mptcp_ext {
- u64 data_ack;
+ union {
+ u64 data_ack;
+ u32 data_ack32;
+ };
u64 data_seq;
u32 subflow_seq;
u16 data_len;
@@ -68,11 +71,14 @@ static inline bool rsk_is_mptcp(const struct request_sock *req)
return tcp_rsk(req)->is_mptcp;
}
-void mptcp_parse_option(const struct sk_buff *skb, const unsigned char *ptr,
- int opsize, struct tcp_options_received *opt_rx);
+static inline bool rsk_drop_req(const struct request_sock *req)
+{
+ return tcp_rsk(req)->is_mptcp && tcp_rsk(req)->drop_req;
+}
+
+void mptcp_space(const struct sock *ssk, int *space, int *full_space);
bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb,
unsigned int *size, struct mptcp_out_options *opts);
-void mptcp_rcv_synsent(struct sock *sk);
bool mptcp_synack_options(const struct request_sock *req, unsigned int *size,
struct mptcp_out_options *opts);
bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
@@ -123,8 +129,6 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
skb_ext_find(from, SKB_EXT_MPTCP));
}
-bool mptcp_sk_is_subflow(const struct sock *sk);
-
void mptcp_seq_show(struct seq_file *seq);
#else
@@ -142,6 +146,11 @@ static inline bool rsk_is_mptcp(const struct request_sock *req)
return false;
}
+static inline bool rsk_drop_req(const struct request_sock *req)
+{
+ return false;
+}
+
static inline void mptcp_parse_option(const struct sk_buff *skb,
const unsigned char *ptr, int opsize,
struct tcp_options_received *opt_rx)
@@ -192,11 +201,7 @@ static inline bool mptcp_skb_can_collapse(const struct sk_buff *to,
return true;
}
-static inline bool mptcp_sk_is_subflow(const struct sock *sk)
-{
- return false;
-}
-
+static inline void mptcp_space(const struct sock *ssk, int *s, int *fs) { }
static inline void mptcp_seq_show(struct seq_file *seq) { }
#endif /* CONFIG_MPTCP */
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 7d107113f988..9205a76d967a 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -41,7 +41,7 @@ enum {
ND_OPT_DNSSL = 31, /* RFC6106 */
ND_OPT_6CO = 34, /* RFC6775 */
ND_OPT_CAPTIVE_PORTAL = 37, /* RFC7710 */
- ND_OPT_PREF64 = 38, /* RFC-ietf-6man-ra-pref64-09 */
+ ND_OPT_PREF64 = 38, /* RFC8781 */
__ND_OPT_MAX
};
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index ab96fb59131c..2ee5901bec7a 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -33,6 +33,7 @@
#include <net/netns/mpls.h>
#include <net/netns/can.h>
#include <net/netns/xdp.h>
+#include <net/netns/bpf.h>
#include <linux/ns_common.h>
#include <linux/idr.h>
#include <linux/skbuff.h>
@@ -162,7 +163,8 @@ struct net {
#endif
struct net_generic __rcu *gen;
- struct bpf_prog __rcu *flow_dissector_prog;
+ /* Used to store attached BPF programs */
+ struct netns_bpf bpf;
/* Note : following structs are cache line aligned */
#ifdef CONFIG_XFRM
@@ -437,6 +439,13 @@ static inline int rt_genid_ipv4(const struct net *net)
return atomic_read(&net->ipv4.rt_genid);
}
+#if IS_ENABLED(CONFIG_IPV6)
+static inline int rt_genid_ipv6(const struct net *net)
+{
+ return atomic_read(&net->ipv6.fib6_sernum);
+}
+#endif
+
static inline void rt_genid_bump_ipv4(struct net *net)
{
atomic_inc(&net->ipv4.rt_genid);
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 9f551f3b69c6..90690e37a56f 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -87,7 +87,7 @@ struct nf_conn {
struct hlist_node nat_bysource;
#endif
/* all members below initialized via memset */
- u8 __nfct_init_offset[0];
+ struct { } __nfct_init_offset;
/* If we were expected by an expectation, this will be it */
struct nf_conn *master;
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index 4cad1f0a327a..88186b95b3c2 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -42,7 +42,8 @@ struct nf_conntrack_l4proto {
/* Calculate tuple nlattr size */
unsigned int (*nlattr_tuple_size)(void);
int (*nlattr_to_tuple)(struct nlattr *tb[],
- struct nf_conntrack_tuple *t);
+ struct nf_conntrack_tuple *t,
+ u_int32_t flags);
const struct nla_policy *nla_policy;
struct {
@@ -152,7 +153,8 @@ const struct nf_conntrack_l4proto *nf_ct_l4proto_find(u8 l4proto);
int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple);
int nf_ct_port_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *t);
+ struct nf_conntrack_tuple *t,
+ u_int32_t flags);
unsigned int nf_ct_port_nlattr_tuple_size(void);
extern const struct nla_policy nf_ct_port_nla_policy[];
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index 6bf69652f57d..d7338bfd7b0f 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -127,6 +127,7 @@ enum nf_flow_flags {
NF_FLOW_HW_DYING,
NF_FLOW_HW_DEAD,
NF_FLOW_HW_REFRESH,
+ NF_FLOW_HW_PENDING,
};
enum flow_offload_type {
@@ -174,6 +175,8 @@ void flow_offload_refresh(struct nf_flowtable *flow_table,
struct flow_offload_tuple_rhash *flow_offload_lookup(struct nf_flowtable *flow_table,
struct flow_offload_tuple *tuple);
+void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable,
+ struct net_device *dev);
void nf_flow_table_cleanup(struct net_device *dev);
int nf_flow_table_init(struct nf_flowtable *flow_table);
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 4ff7c81e6717..6f0f6fca9ac3 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -243,6 +243,10 @@ struct nft_set_elem {
u32 buf[NFT_DATA_VALUE_MAXLEN / sizeof(u32)];
struct nft_data val;
} key_end;
+ union {
+ u32 buf[NFT_DATA_VALUE_MAXLEN / sizeof(u32)];
+ struct nft_data val;
+ } data;
void *priv;
};
@@ -998,6 +1002,7 @@ struct nft_stats {
struct nft_hook {
struct list_head list;
+ bool inactive;
struct nf_hook_ops ops;
struct rcu_head rcu;
};
@@ -1477,10 +1482,16 @@ struct nft_trans_obj {
struct nft_trans_flowtable {
struct nft_flowtable *flowtable;
+ bool update;
+ struct list_head hook_list;
};
#define nft_trans_flowtable(trans) \
(((struct nft_trans_flowtable *)trans->data)->flowtable)
+#define nft_trans_flowtable_update(trans) \
+ (((struct nft_trans_flowtable *)trans->data)->update)
+#define nft_trans_flowtable_hooks(trans) \
+ (((struct nft_trans_flowtable *)trans->data)->hook_list)
int __init nft_chain_filter_init(void);
void nft_chain_filter_fini(void);
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 67c57d6942e3..c0411f14fb53 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -182,19 +182,28 @@ enum {
NLA_BITFIELD32,
NLA_REJECT,
NLA_EXACT_LEN,
- NLA_EXACT_LEN_WARN,
NLA_MIN_LEN,
__NLA_TYPE_MAX,
};
#define NLA_TYPE_MAX (__NLA_TYPE_MAX - 1)
+struct netlink_range_validation {
+ u64 min, max;
+};
+
+struct netlink_range_validation_signed {
+ s64 min, max;
+};
+
enum nla_policy_validation {
NLA_VALIDATE_NONE,
NLA_VALIDATE_RANGE,
NLA_VALIDATE_MIN,
NLA_VALIDATE_MAX,
+ NLA_VALIDATE_RANGE_PTR,
NLA_VALIDATE_FUNCTION,
+ NLA_VALIDATE_WARN_TOO_LONG,
};
/**
@@ -217,7 +226,7 @@ enum nla_policy_validation {
* NLA_NESTED,
* NLA_NESTED_ARRAY Length verification is done by checking len of
* nested header (or empty); len field is used if
- * validation_data is also used, for the max attr
+ * nested_policy is also used, for the max attr
* number in the nested policy.
* NLA_U8, NLA_U16,
* NLA_U32, NLA_U64,
@@ -228,34 +237,32 @@ enum nla_policy_validation {
* just like "All other"
* NLA_BITFIELD32 Unused
* NLA_REJECT Unused
- * NLA_EXACT_LEN Attribute must have exactly this length, otherwise
- * it is rejected.
- * NLA_EXACT_LEN_WARN Attribute should have exactly this length, a warning
- * is logged if it is longer, shorter is rejected.
+ * NLA_EXACT_LEN Attribute should have exactly this length, otherwise
+ * it is rejected or warned about, the latter happening
+ * if and only if the `validation_type' is set to
+ * NLA_VALIDATE_WARN_TOO_LONG.
* NLA_MIN_LEN Minimum length of attribute payload
* All other Minimum length of attribute payload
*
- * Meaning of `validation_data' field:
+ * Meaning of validation union:
* NLA_BITFIELD32 This is a 32-bit bitmap/bitselector attribute and
- * validation data must point to a u32 value of valid
- * flags
- * NLA_REJECT This attribute is always rejected and validation data
+ * `bitfield32_valid' is the u32 value of valid flags
+ * NLA_REJECT This attribute is always rejected and `reject_message'
* may point to a string to report as the error instead
* of the generic one in extended ACK.
- * NLA_NESTED Points to a nested policy to validate, must also set
- * `len' to the max attribute number.
+ * NLA_NESTED `nested_policy' to a nested policy to validate, must
+ * also set `len' to the max attribute number. Use the
+ * provided NLA_POLICY_NESTED() macro.
* Note that nla_parse() will validate, but of course not
* parse, the nested sub-policies.
- * NLA_NESTED_ARRAY Points to a nested policy to validate, must also set
- * `len' to the max attribute number. The difference to
- * NLA_NESTED is the structure - NLA_NESTED has the
- * nested attributes directly inside, while an array has
- * the nested attributes at another level down and the
- * attributes directly in the nesting don't matter.
- * All other Unused - but note that it's a union
- *
- * Meaning of `min' and `max' fields, use via NLA_POLICY_MIN, NLA_POLICY_MAX
- * and NLA_POLICY_RANGE:
+ * NLA_NESTED_ARRAY `nested_policy' points to a nested policy to validate,
+ * must also set `len' to the max attribute number. Use
+ * the provided NLA_POLICY_NESTED_ARRAY() macro.
+ * The difference to NLA_NESTED is the structure:
+ * NLA_NESTED has the nested attributes directly inside
+ * while an array has the nested attributes at another
+ * level down and the attribute types directly in the
+ * nesting don't matter.
* NLA_U8,
* NLA_U16,
* NLA_U32,
@@ -263,29 +270,47 @@ enum nla_policy_validation {
* NLA_S8,
* NLA_S16,
* NLA_S32,
- * NLA_S64 These are used depending on the validation_type
- * field, if that is min/max/range then the minimum,
- * maximum and both are used (respectively) to check
+ * NLA_S64 The `min' and `max' fields are used depending on the
+ * validation_type field, if that is min/max/range then
+ * the min, max or both are used (respectively) to check
* the value of the integer attribute.
* Note that in the interest of code simplicity and
* struct size both limits are s16, so you cannot
* enforce a range that doesn't fall within the range
* of s16 - do that as usual in the code instead.
+ * Use the NLA_POLICY_MIN(), NLA_POLICY_MAX() and
+ * NLA_POLICY_RANGE() macros.
+ * NLA_U8,
+ * NLA_U16,
+ * NLA_U32,
+ * NLA_U64 If the validation_type field instead is set to
+ * NLA_VALIDATE_RANGE_PTR, `range' must be a pointer
+ * to a struct netlink_range_validation that indicates
+ * the min/max values.
+ * Use NLA_POLICY_FULL_RANGE().
+ * NLA_S8,
+ * NLA_S16,
+ * NLA_S32,
+ * NLA_S64 If the validation_type field instead is set to
+ * NLA_VALIDATE_RANGE_PTR, `range_signed' must be a
+ * pointer to a struct netlink_range_validation_signed
+ * that indicates the min/max values.
+ * Use NLA_POLICY_FULL_RANGE_SIGNED().
* All other Unused - but note that it's a union
*
* Meaning of `validate' field, use via NLA_POLICY_VALIDATE_FN:
- * NLA_BINARY Validation function called for the attribute,
- * not compatible with use of the validation_data
- * as in NLA_BITFIELD32, NLA_REJECT, NLA_NESTED and
- * NLA_NESTED_ARRAY.
+ * NLA_BINARY Validation function called for the attribute.
* All other Unused - but note that it's a union
*
* Example:
+ *
+ * static const u32 myvalidflags = 0xff231023;
+ *
* static const struct nla_policy my_policy[ATTR_MAX+1] = {
* [ATTR_FOO] = { .type = NLA_U16 },
* [ATTR_BAR] = { .type = NLA_STRING, .len = BARSIZ },
* [ATTR_BAZ] = { .type = NLA_EXACT_LEN, .len = sizeof(struct mystruct) },
- * [ATTR_GOO] = { .type = NLA_BITFIELD32, .validation_data = &myvalidflags },
+ * [ATTR_GOO] = NLA_POLICY_BITFIELD32(myvalidflags),
* };
*/
struct nla_policy {
@@ -293,7 +318,11 @@ struct nla_policy {
u8 validation_type;
u16 len;
union {
- const void *validation_data;
+ const u32 bitfield32_valid;
+ const char *reject_message;
+ const struct nla_policy *nested_policy;
+ struct netlink_range_validation *range;
+ struct netlink_range_validation_signed *range_signed;
struct {
s16 min, max;
};
@@ -321,28 +350,39 @@ struct nla_policy {
};
#define NLA_POLICY_EXACT_LEN(_len) { .type = NLA_EXACT_LEN, .len = _len }
-#define NLA_POLICY_EXACT_LEN_WARN(_len) { .type = NLA_EXACT_LEN_WARN, \
- .len = _len }
+#define NLA_POLICY_EXACT_LEN_WARN(_len) \
+ { .type = NLA_EXACT_LEN, .len = _len, \
+ .validation_type = NLA_VALIDATE_WARN_TOO_LONG, }
#define NLA_POLICY_MIN_LEN(_len) { .type = NLA_MIN_LEN, .len = _len }
#define NLA_POLICY_ETH_ADDR NLA_POLICY_EXACT_LEN(ETH_ALEN)
#define NLA_POLICY_ETH_ADDR_COMPAT NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN)
#define _NLA_POLICY_NESTED(maxattr, policy) \
- { .type = NLA_NESTED, .validation_data = policy, .len = maxattr }
+ { .type = NLA_NESTED, .nested_policy = policy, .len = maxattr }
#define _NLA_POLICY_NESTED_ARRAY(maxattr, policy) \
- { .type = NLA_NESTED_ARRAY, .validation_data = policy, .len = maxattr }
+ { .type = NLA_NESTED_ARRAY, .nested_policy = policy, .len = maxattr }
#define NLA_POLICY_NESTED(policy) \
_NLA_POLICY_NESTED(ARRAY_SIZE(policy) - 1, policy)
#define NLA_POLICY_NESTED_ARRAY(policy) \
_NLA_POLICY_NESTED_ARRAY(ARRAY_SIZE(policy) - 1, policy)
+#define NLA_POLICY_BITFIELD32(valid) \
+ { .type = NLA_BITFIELD32, .bitfield32_valid = valid }
#define __NLA_ENSURE(condition) BUILD_BUG_ON_ZERO(!(condition))
+#define NLA_ENSURE_UINT_TYPE(tp) \
+ (__NLA_ENSURE(tp == NLA_U8 || tp == NLA_U16 || \
+ tp == NLA_U32 || tp == NLA_U64 || \
+ tp == NLA_MSECS) + tp)
+#define NLA_ENSURE_SINT_TYPE(tp) \
+ (__NLA_ENSURE(tp == NLA_S8 || tp == NLA_S16 || \
+ tp == NLA_S32 || tp == NLA_S64) + tp)
#define NLA_ENSURE_INT_TYPE(tp) \
(__NLA_ENSURE(tp == NLA_S8 || tp == NLA_U8 || \
tp == NLA_S16 || tp == NLA_U16 || \
tp == NLA_S32 || tp == NLA_U32 || \
- tp == NLA_S64 || tp == NLA_U64) + tp)
+ tp == NLA_S64 || tp == NLA_U64 || \
+ tp == NLA_MSECS) + tp)
#define NLA_ENSURE_NO_VALIDATION_PTR(tp) \
(__NLA_ENSURE(tp != NLA_BITFIELD32 && \
tp != NLA_REJECT && \
@@ -356,6 +396,18 @@ struct nla_policy {
.max = _max \
}
+#define NLA_POLICY_FULL_RANGE(tp, _range) { \
+ .type = NLA_ENSURE_UINT_TYPE(tp), \
+ .validation_type = NLA_VALIDATE_RANGE_PTR, \
+ .range = _range, \
+}
+
+#define NLA_POLICY_FULL_RANGE_SIGNED(tp, _range) { \
+ .type = NLA_ENSURE_SINT_TYPE(tp), \
+ .validation_type = NLA_VALIDATE_RANGE_PTR, \
+ .range_signed = _range, \
+}
+
#define NLA_POLICY_MIN(tp, _min) { \
.type = NLA_ENSURE_INT_TYPE(tp), \
.validation_type = NLA_VALIDATE_MIN, \
@@ -1876,4 +1928,15 @@ static inline bool nla_is_last(const struct nlattr *nla, int rem)
return nla->nla_len == rem;
}
+void nla_get_range_unsigned(const struct nla_policy *pt,
+ struct netlink_range_validation *range);
+void nla_get_range_signed(const struct nla_policy *pt,
+ struct netlink_range_validation_signed *range);
+
+int netlink_policy_dump_start(const struct nla_policy *policy,
+ unsigned int maxtype,
+ unsigned long *state);
+bool netlink_policy_dump_loop(unsigned long *state);
+int netlink_policy_dump_write(struct sk_buff *skb, unsigned long state);
+
#endif
diff --git a/include/net/netns/bpf.h b/include/net/netns/bpf.h
new file mode 100644
index 000000000000..a8dce2a380c8
--- /dev/null
+++ b/include/net/netns/bpf.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * BPF programs attached to network namespace
+ */
+
+#ifndef __NETNS_BPF_H__
+#define __NETNS_BPF_H__
+
+#include <linux/bpf-netns.h>
+
+struct bpf_prog;
+
+struct netns_bpf {
+ struct bpf_prog __rcu *progs[MAX_NETNS_BPF_ATTACH_TYPE];
+ struct bpf_link *links[MAX_NETNS_BPF_ATTACH_TYPE];
+};
+
+#endif /* __NETNS_BPF_H__ */
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 154b8f01499b..9e36738c1fe1 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -111,6 +111,8 @@ struct netns_ipv4 {
int sysctl_tcp_early_demux;
int sysctl_udp_early_demux;
+ int sysctl_nexthop_compat_mode;
+
int sysctl_fwmark_reflect;
int sysctl_tcp_fwmark_accept;
#ifdef CONFIG_NET_L3_MASTER_DEV
@@ -171,6 +173,7 @@ struct netns_ipv4 {
int sysctl_tcp_rmem[3];
int sysctl_tcp_comp_sack_nr;
unsigned long sysctl_tcp_comp_sack_delay_ns;
+ unsigned long sysctl_tcp_comp_sack_slack_ns;
struct inet_timewait_death_row tcp_death_row;
int sysctl_max_syn_backlog;
int sysctl_tcp_fastopen;
diff --git a/include/net/netns/nexthop.h b/include/net/netns/nexthop.h
index c712ee5eebd9..1937476c94a0 100644
--- a/include/net/netns/nexthop.h
+++ b/include/net/netns/nexthop.h
@@ -14,5 +14,6 @@ struct netns_nexthop {
unsigned int seq; /* protected by rtnl_mutex */
u32 last_id_allocated;
+ struct atomic_notifier_head notifier_chain;
};
#endif
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index c440ccc861fc..e4b55b43e907 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -10,6 +10,7 @@
#define __LINUX_NEXTHOP_H
#include <linux/netdevice.h>
+#include <linux/notifier.h>
#include <linux/route.h>
#include <linux/types.h>
#include <net/ip_fib.h>
@@ -26,6 +27,7 @@ struct nh_config {
u8 nh_family;
u8 nh_protocol;
u8 nh_blackhole;
+ u8 nh_fdb;
u32 nh_flags;
int nh_ifindex;
@@ -52,6 +54,7 @@ struct nh_info {
u8 family;
bool reject_nh;
+ bool fdb_nh;
union {
struct fib_nh_common fib_nhc;
@@ -70,6 +73,7 @@ struct nh_grp_entry {
};
struct nh_group {
+ struct nh_group *spare; /* spare group for removals */
u16 num_nh;
bool mpath;
bool has_v4;
@@ -80,6 +84,7 @@ struct nexthop {
struct rb_node rb_node; /* entry on netns rbtree */
struct list_head fi_list; /* v4 entries using nh */
struct list_head f6i_list; /* v6 entries using nh */
+ struct list_head fdb_list; /* fdb entries using this nh */
struct list_head grp_list; /* nh group entries using this nh */
struct net *net;
@@ -88,6 +93,7 @@ struct nexthop {
u8 protocol; /* app managing this nh */
u8 nh_flags;
bool is_group;
+ bool is_fdb_nh;
refcount_t refcnt;
struct rcu_head rcu;
@@ -98,6 +104,17 @@ struct nexthop {
};
};
+enum nexthop_event_type {
+ NEXTHOP_EVENT_ADD,
+ NEXTHOP_EVENT_DEL
+};
+
+int call_nexthop_notifier(struct notifier_block *nb, struct net *net,
+ enum nexthop_event_type event_type,
+ struct nexthop *nh);
+int register_nexthop_notifier(struct net *net, struct notifier_block *nb);
+int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb);
+
/* caller is holding rcu or rtnl; no reference taken to nexthop */
struct nexthop *nexthop_find_by_id(struct net *net, u32 id);
void nexthop_free_rcu(struct rcu_head *head);
@@ -136,21 +153,20 @@ static inline unsigned int nexthop_num_path(const struct nexthop *nh)
{
unsigned int rc = 1;
- if (nexthop_is_multipath(nh)) {
+ if (nh->is_group) {
struct nh_group *nh_grp;
nh_grp = rcu_dereference_rtnl(nh->nh_grp);
- rc = nh_grp->num_nh;
+ if (nh_grp->mpath)
+ rc = nh_grp->num_nh;
}
return rc;
}
static inline
-struct nexthop *nexthop_mpath_select(const struct nexthop *nh, int nhsel)
+struct nexthop *nexthop_mpath_select(const struct nh_group *nhg, int nhsel)
{
- const struct nh_group *nhg = rcu_dereference_rtnl(nh->nh_grp);
-
/* for_nexthops macros in fib_semantics.c grabs a pointer to
* the nexthop before checking nhsel
*/
@@ -185,12 +201,14 @@ static inline bool nexthop_is_blackhole(const struct nexthop *nh)
{
const struct nh_info *nhi;
- if (nexthop_is_multipath(nh)) {
- if (nexthop_num_path(nh) > 1)
- return false;
- nh = nexthop_mpath_select(nh, 0);
- if (!nh)
+ if (nh->is_group) {
+ struct nh_group *nh_grp;
+
+ nh_grp = rcu_dereference_rtnl(nh->nh_grp);
+ if (nh_grp->num_nh > 1)
return false;
+
+ nh = nh_grp->nh_entries[0].nh;
}
nhi = rcu_dereference_rtnl(nh->nh_info);
@@ -216,16 +234,79 @@ struct fib_nh_common *nexthop_fib_nhc(struct nexthop *nh, int nhsel)
BUILD_BUG_ON(offsetof(struct fib_nh, nh_common) != 0);
BUILD_BUG_ON(offsetof(struct fib6_nh, nh_common) != 0);
- if (nexthop_is_multipath(nh)) {
- nh = nexthop_mpath_select(nh, nhsel);
- if (!nh)
- return NULL;
+ if (nh->is_group) {
+ struct nh_group *nh_grp;
+
+ nh_grp = rcu_dereference_rtnl(nh->nh_grp);
+ if (nh_grp->mpath) {
+ nh = nexthop_mpath_select(nh_grp, nhsel);
+ if (!nh)
+ return NULL;
+ }
}
nhi = rcu_dereference_rtnl(nh->nh_info);
return &nhi->fib_nhc;
}
+/* called from fib_table_lookup with rcu_lock */
+static inline
+struct fib_nh_common *nexthop_get_nhc_lookup(const struct nexthop *nh,
+ int fib_flags,
+ const struct flowi4 *flp,
+ int *nhsel)
+{
+ struct nh_info *nhi;
+
+ if (nh->is_group) {
+ struct nh_group *nhg = rcu_dereference(nh->nh_grp);
+ int i;
+
+ for (i = 0; i < nhg->num_nh; i++) {
+ struct nexthop *nhe = nhg->nh_entries[i].nh;
+
+ nhi = rcu_dereference(nhe->nh_info);
+ if (fib_lookup_good_nhc(&nhi->fib_nhc, fib_flags, flp)) {
+ *nhsel = i;
+ return &nhi->fib_nhc;
+ }
+ }
+ } else {
+ nhi = rcu_dereference(nh->nh_info);
+ if (fib_lookup_good_nhc(&nhi->fib_nhc, fib_flags, flp)) {
+ *nhsel = 0;
+ return &nhi->fib_nhc;
+ }
+ }
+
+ return NULL;
+}
+
+static inline bool nexthop_uses_dev(const struct nexthop *nh,
+ const struct net_device *dev)
+{
+ struct nh_info *nhi;
+
+ if (nh->is_group) {
+ struct nh_group *nhg = rcu_dereference(nh->nh_grp);
+ int i;
+
+ for (i = 0; i < nhg->num_nh; i++) {
+ struct nexthop *nhe = nhg->nh_entries[i].nh;
+
+ nhi = rcu_dereference(nhe->nh_info);
+ if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev))
+ return true;
+ }
+ } else {
+ nhi = rcu_dereference(nh->nh_info);
+ if (nhc_l3mdev_matches_dev(&nhi->fib_nhc, dev))
+ return true;
+ }
+
+ return false;
+}
+
static inline unsigned int fib_info_num_path(const struct fib_info *fi)
{
if (unlikely(fi->nh))
@@ -263,8 +344,11 @@ static inline struct fib6_nh *nexthop_fib6_nh(struct nexthop *nh)
{
struct nh_info *nhi;
- if (nexthop_is_multipath(nh)) {
- nh = nexthop_mpath_select(nh, 0);
+ if (nh->is_group) {
+ struct nh_group *nh_grp;
+
+ nh_grp = rcu_dereference_rtnl(nh->nh_grp);
+ nh = nexthop_mpath_select(nh_grp, 0);
if (!nh)
return NULL;
}
@@ -304,4 +388,32 @@ static inline void nexthop_path_fib6_result(struct fib6_result *res, int hash)
int nexthop_for_each_fib6_nh(struct nexthop *nh,
int (*cb)(struct fib6_nh *nh, void *arg),
void *arg);
+
+static inline int nexthop_get_family(struct nexthop *nh)
+{
+ struct nh_info *nhi = rcu_dereference_rtnl(nh->nh_info);
+
+ return nhi->family;
+}
+
+static inline
+struct fib_nh_common *nexthop_fdb_nhc(struct nexthop *nh)
+{
+ struct nh_info *nhi = rcu_dereference_rtnl(nh->nh_info);
+
+ return &nhi->fib_nhc;
+}
+
+static inline struct fib_nh_common *nexthop_path_fdb_result(struct nexthop *nh,
+ int hash)
+{
+ struct nh_info *nhi;
+ struct nexthop *nhp;
+
+ nhp = nexthop_select_path(nh, hash);
+ if (unlikely(!nhp))
+ return NULL;
+ nhi = rcu_dereference(nhp->nh_info);
+ return &nhi->fib_nhc;
+}
#endif
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 04aa0649f3b0..ed65619cbc47 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -325,6 +325,7 @@ int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
void tcf_exts_destroy(struct tcf_exts *exts);
void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts);
+int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts);
int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts);
/**
diff --git a/include/net/regulatory.h b/include/net/regulatory.h
index 3469750df0f4..09a3099886e5 100644
--- a/include/net/regulatory.h
+++ b/include/net/regulatory.h
@@ -231,13 +231,6 @@ struct ieee80211_regdomain {
struct ieee80211_reg_rule reg_rules[];
};
-#define MHZ_TO_KHZ(freq) ((freq) * 1000)
-#define KHZ_TO_MHZ(freq) ((freq) / 1000)
-#define DBI_TO_MBI(gain) ((gain) * 100)
-#define MBI_TO_DBI(gain) ((gain) / 100)
-#define DBM_TO_MBM(gain) ((gain) * 100)
-#define MBM_TO_DBM(gain) ((gain) / 100)
-
#define REG_RULE_EXT(start, end, bw, gain, eirp, dfs_cac, reg_flags) \
{ \
.freq_range.start_freq_khz = MHZ_TO_KHZ(start), \
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 25d2ec4c8f00..c510b03b9751 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -330,6 +330,10 @@ struct tcf_proto_ops {
int (*dump)(struct net*, struct tcf_proto*, void *,
struct sk_buff *skb, struct tcmsg*,
bool);
+ int (*terse_dump)(struct net *net,
+ struct tcf_proto *tp, void *fh,
+ struct sk_buff *skb,
+ struct tcmsg *t, bool rtnl_held);
int (*tmplt_dump)(struct sk_buff *skb,
struct net *net,
void *tmplt_priv);
@@ -407,6 +411,7 @@ struct tcf_block {
struct mutex lock;
struct list_head chain_list;
u32 index; /* block index for shared blocks */
+ u32 classid; /* which class this block belongs to */
refcount_t refcnt;
struct net *net;
struct Qdisc *q;
@@ -710,11 +715,6 @@ static inline void qdisc_reset_all_tx_gt(struct net_device *dev, unsigned int i)
}
}
-static inline void qdisc_reset_all_tx(struct net_device *dev)
-{
- qdisc_reset_all_tx_gt(dev, 0);
-}
-
/* Are all TX queues of the device empty? */
static inline bool qdisc_all_tx_empty(const struct net_device *dev)
{
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 3ab5c6bbb90b..f8bcb75bb044 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -615,4 +615,11 @@ static inline bool sctp_newsk_ready(const struct sock *sk)
return sock_flag(sk, SOCK_DEAD) || sk->sk_socket;
}
+static inline void sctp_sock_set_nodelay(struct sock *sk)
+{
+ lock_sock(sk);
+ sctp_sk(sk)->nodelay = true;
+ release_sock(sk);
+}
+
#endif /* __net_sctp_h__ */
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 0b032b92da0b..994e984eef32 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -80,7 +80,7 @@ struct sctp_ulpevent *sctp_ulpevent_make_assoc_change(
struct sctp_chunk *chunk,
gfp_t gfp);
-void sctp_ulpevent_nofity_peer_addr_change(struct sctp_transport *transport,
+void sctp_ulpevent_notify_peer_addr_change(struct sctp_transport *transport,
int state, int error);
struct sctp_ulpevent *sctp_ulpevent_make_remote_error(
diff --git a/include/net/sock.h b/include/net/sock.h
index 3e8c6d4b4b59..c53cc42b5ab9 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1156,7 +1156,9 @@ struct proto {
int (*sendpage)(struct sock *sk, struct page *page,
int offset, size_t size, int flags);
int (*bind)(struct sock *sk,
- struct sockaddr *uaddr, int addr_len);
+ struct sockaddr *addr, int addr_len);
+ int (*bind_add)(struct sock *sk,
+ struct sockaddr *addr, int addr_len);
int (*backlog_rcv) (struct sock *sk,
struct sk_buff *skb);
@@ -2688,4 +2690,16 @@ static inline bool sk_dev_equal_l3scope(struct sock *sk, int dif)
void sock_def_readable(struct sock *sk);
+int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk);
+void sock_enable_timestamps(struct sock *sk);
+void sock_no_linger(struct sock *sk);
+void sock_set_keepalive(struct sock *sk);
+void sock_set_priority(struct sock *sk, u32 priority);
+void sock_set_rcvbuf(struct sock *sk, int val);
+void sock_set_reuseaddr(struct sock *sk);
+void sock_set_reuseport(struct sock *sk);
+void sock_set_sndtimeo(struct sock *sk, s64 secs);
+
+int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len);
+
#endif /* _SOCK_H */
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index aee86a189432..b8c059b4e06d 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -40,6 +40,10 @@ enum switchdev_attr_id {
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
SWITCHDEV_ATTR_ID_BRIDGE_MC_DISABLED,
SWITCHDEV_ATTR_ID_BRIDGE_MROUTER,
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
+ SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
+#endif
};
struct switchdev_attr {
@@ -55,6 +59,10 @@ struct switchdev_attr {
clock_t ageing_time; /* BRIDGE_AGEING_TIME */
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
bool mc_disabled; /* MC_DISABLED */
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ u8 mrp_port_state; /* MRP_PORT_STATE */
+ u8 mrp_port_role; /* MRP_PORT_ROLE */
+#endif
} u;
};
@@ -63,6 +71,12 @@ enum switchdev_obj_id {
SWITCHDEV_OBJ_ID_PORT_VLAN,
SWITCHDEV_OBJ_ID_PORT_MDB,
SWITCHDEV_OBJ_ID_HOST_MDB,
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ SWITCHDEV_OBJ_ID_MRP,
+ SWITCHDEV_OBJ_ID_RING_TEST_MRP,
+ SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
+ SWITCHDEV_OBJ_ID_RING_STATE_MRP,
+#endif
};
struct switchdev_obj {
@@ -94,6 +108,55 @@ struct switchdev_obj_port_mdb {
#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
container_of((OBJ), struct switchdev_obj_port_mdb, obj)
+
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+/* SWITCHDEV_OBJ_ID_MRP */
+struct switchdev_obj_mrp {
+ struct switchdev_obj obj;
+ struct net_device *p_port;
+ struct net_device *s_port;
+ u32 ring_id;
+ u16 prio;
+};
+
+#define SWITCHDEV_OBJ_MRP(OBJ) \
+ container_of((OBJ), struct switchdev_obj_mrp, obj)
+
+/* SWITCHDEV_OBJ_ID_RING_TEST_MRP */
+struct switchdev_obj_ring_test_mrp {
+ struct switchdev_obj obj;
+ /* The value is in us and a value of 0 represents to stop */
+ u32 interval;
+ u8 max_miss;
+ u32 ring_id;
+ u32 period;
+ bool monitor;
+};
+
+#define SWITCHDEV_OBJ_RING_TEST_MRP(OBJ) \
+ container_of((OBJ), struct switchdev_obj_ring_test_mrp, obj)
+
+/* SWICHDEV_OBJ_ID_RING_ROLE_MRP */
+struct switchdev_obj_ring_role_mrp {
+ struct switchdev_obj obj;
+ u8 ring_role;
+ u32 ring_id;
+};
+
+#define SWITCHDEV_OBJ_RING_ROLE_MRP(OBJ) \
+ container_of((OBJ), struct switchdev_obj_ring_role_mrp, obj)
+
+struct switchdev_obj_ring_state_mrp {
+ struct switchdev_obj obj;
+ u8 ring_state;
+ u32 ring_id;
+};
+
+#define SWITCHDEV_OBJ_RING_STATE_MRP(OBJ) \
+ container_of((OBJ), struct switchdev_obj_ring_state_mrp, obj)
+
+#endif
+
typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
enum switchdev_notifier_type {
diff --git a/include/net/tc_act/tc_gate.h b/include/net/tc_act/tc_gate.h
new file mode 100644
index 000000000000..8bc6be81a7ad
--- /dev/null
+++ b/include/net/tc_act/tc_gate.h
@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright 2020 NXP */
+
+#ifndef __NET_TC_GATE_H
+#define __NET_TC_GATE_H
+
+#include <net/act_api.h>
+#include <linux/tc_act/tc_gate.h>
+
+struct action_gate_entry {
+ u8 gate_state;
+ u32 interval;
+ s32 ipv;
+ s32 maxoctets;
+};
+
+struct tcfg_gate_entry {
+ int index;
+ u8 gate_state;
+ u32 interval;
+ s32 ipv;
+ s32 maxoctets;
+ struct list_head list;
+};
+
+struct tcf_gate_params {
+ s32 tcfg_priority;
+ u64 tcfg_basetime;
+ u64 tcfg_cycletime;
+ u64 tcfg_cycletime_ext;
+ u32 tcfg_flags;
+ s32 tcfg_clockid;
+ size_t num_entries;
+ struct list_head entries;
+};
+
+#define GATE_ACT_GATE_OPEN BIT(0)
+#define GATE_ACT_PENDING BIT(1)
+
+struct tcf_gate {
+ struct tc_action common;
+ struct tcf_gate_params param;
+ u8 current_gate_status;
+ ktime_t current_close_time;
+ u32 current_entry_octets;
+ s32 current_max_octets;
+ struct tcfg_gate_entry *next_entry;
+ struct hrtimer hitimer;
+ enum tk_offsets tk_offset;
+};
+
+#define to_gate(a) ((struct tcf_gate *)a)
+
+static inline bool is_tcf_gate(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+ if (a->ops && a->ops->id == TCA_ID_GATE)
+ return true;
+#endif
+ return false;
+}
+
+static inline u32 tcf_gate_index(const struct tc_action *a)
+{
+ return a->tcfa_index;
+}
+
+static inline s32 tcf_gate_prio(const struct tc_action *a)
+{
+ s32 tcfg_prio;
+
+ tcfg_prio = to_gate(a)->param.tcfg_priority;
+
+ return tcfg_prio;
+}
+
+static inline u64 tcf_gate_basetime(const struct tc_action *a)
+{
+ u64 tcfg_basetime;
+
+ tcfg_basetime = to_gate(a)->param.tcfg_basetime;
+
+ return tcfg_basetime;
+}
+
+static inline u64 tcf_gate_cycletime(const struct tc_action *a)
+{
+ u64 tcfg_cycletime;
+
+ tcfg_cycletime = to_gate(a)->param.tcfg_cycletime;
+
+ return tcfg_cycletime;
+}
+
+static inline u64 tcf_gate_cycletimeext(const struct tc_action *a)
+{
+ u64 tcfg_cycletimeext;
+
+ tcfg_cycletimeext = to_gate(a)->param.tcfg_cycletime_ext;
+
+ return tcfg_cycletimeext;
+}
+
+static inline u32 tcf_gate_num_entries(const struct tc_action *a)
+{
+ u32 num_entries;
+
+ num_entries = to_gate(a)->param.num_entries;
+
+ return num_entries;
+}
+
+static inline struct action_gate_entry
+ *tcf_gate_get_list(const struct tc_action *a)
+{
+ struct action_gate_entry *oe;
+ struct tcf_gate_params *p;
+ struct tcfg_gate_entry *entry;
+ u32 num_entries;
+ int i = 0;
+
+ p = &to_gate(a)->param;
+ num_entries = p->num_entries;
+
+ list_for_each_entry(entry, &p->entries, list)
+ i++;
+
+ if (i != num_entries)
+ return NULL;
+
+ oe = kcalloc(num_entries, sizeof(*oe), GFP_ATOMIC);
+ if (!oe)
+ return NULL;
+
+ i = 0;
+ list_for_each_entry(entry, &p->entries, list) {
+ oe[i].gate_state = entry->gate_state;
+ oe[i].interval = entry->interval;
+ oe[i].ipv = entry->ipv;
+ oe[i].maxoctets = entry->maxoctets;
+ i++;
+ }
+
+ return oe;
+}
+#endif
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 5fa9eacd965a..4de9485f73d9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -23,7 +23,6 @@
#include <linux/cache.h>
#include <linux/percpu.h>
#include <linux/skbuff.h>
-#include <linux/cryptohash.h>
#include <linux/kref.h>
#include <linux/ktime.h>
@@ -51,7 +50,7 @@ extern struct inet_hashinfo tcp_hashinfo;
extern struct percpu_counter tcp_orphan_count;
void tcp_time_wait(struct sock *sk, int state, int timeo);
-#define MAX_TCP_HEADER (128 + MAX_HEADER)
+#define MAX_TCP_HEADER L1_CACHE_ALIGN(128 + MAX_HEADER)
#define MAX_TCP_OPTION_SPACE 40
#define TCP_MIN_SND_MSS 48
#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)
@@ -126,6 +125,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
* to combine FIN-WAIT-2 timeout with
* TIME-WAIT timer.
*/
+#define TCP_FIN_TIMEOUT_MAX (120 * HZ) /* max TCP_LINGER2 value (two minutes) */
#define TCP_DELACK_MAX ((unsigned)(HZ/5)) /* maximal time to delay before sending an ACK */
#if HZ >= 100
@@ -436,6 +436,7 @@ u16 tcp_get_syncookie_mss(struct request_sock_ops *rsk_ops,
void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb);
void tcp_v4_mtu_reduced(struct sock *sk);
void tcp_req_err(struct sock *sk, u32 seq, bool abort);
+void tcp_ld_RTO_revert(struct sock *sk, u32 seq);
int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb);
struct sock *tcp_create_openreq_child(const struct sock *sk,
struct request_sock *req,
@@ -660,7 +661,6 @@ void tcp_initialize_rcv_mss(struct sock *sk);
int tcp_mtu_to_mss(struct sock *sk, int pmtu);
int tcp_mss_to_mtu(struct sock *sk, int mss);
void tcp_mtup_init(struct sock *sk);
-void tcp_init_buffer_space(struct sock *sk);
static inline void tcp_bound_rto(const struct sock *sk)
{
@@ -1288,26 +1288,22 @@ static inline bool tcp_needs_internal_pacing(const struct sock *sk)
return smp_load_acquire(&sk->sk_pacing_status) == SK_PACING_NEEDED;
}
-/* Return in jiffies the delay before one skb is sent.
- * If @skb is NULL, we look at EDT for next packet being sent on the socket.
+/* Estimates in how many jiffies next packet for this flow can be sent.
+ * Scheduling a retransmit timer too early would be silly.
*/
-static inline unsigned long tcp_pacing_delay(const struct sock *sk,
- const struct sk_buff *skb)
+static inline unsigned long tcp_pacing_delay(const struct sock *sk)
{
- s64 pacing_delay = skb ? skb->tstamp : tcp_sk(sk)->tcp_wstamp_ns;
+ s64 delay = tcp_sk(sk)->tcp_wstamp_ns - tcp_sk(sk)->tcp_clock_cache;
- pacing_delay -= tcp_sk(sk)->tcp_clock_cache;
-
- return pacing_delay > 0 ? nsecs_to_jiffies(pacing_delay) : 0;
+ return delay > 0 ? nsecs_to_jiffies(delay) : 0;
}
static inline void tcp_reset_xmit_timer(struct sock *sk,
const int what,
unsigned long when,
- const unsigned long max_when,
- const struct sk_buff *skb)
+ const unsigned long max_when)
{
- inet_csk_reset_xmit_timer(sk, what, when + tcp_pacing_delay(sk, skb),
+ inet_csk_reset_xmit_timer(sk, what, when + tcp_pacing_delay(sk),
max_when);
}
@@ -1335,8 +1331,7 @@ static inline void tcp_check_probe_timer(struct sock *sk)
{
if (!tcp_sk(sk)->packets_out && !inet_csk(sk)->icsk_pending)
tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0,
- tcp_probe0_base(sk), TCP_RTO_MAX,
- NULL);
+ tcp_probe0_base(sk), TCP_RTO_MAX);
}
static inline void tcp_init_wl(struct tcp_sock *tp, u32 seq)
@@ -1376,7 +1371,6 @@ static inline void tcp_sack_reset(struct tcp_options_received *rx_opt)
rx_opt->num_sacks = 0;
}
-u32 tcp_default_init_rwnd(u32 mss);
void tcp_cwnd_restart(struct sock *sk, s32 delta);
static inline void tcp_slow_start_after_idle_check(struct sock *sk)
@@ -1421,6 +1415,19 @@ static inline int tcp_full_space(const struct sock *sk)
return tcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf));
}
+/* We provision sk_rcvbuf around 200% of sk_rcvlowat.
+ * If 87.5 % (7/8) of the space has been consumed, we want to override
+ * SO_RCVLOWAT constraint, since we are receiving skbs with too small
+ * len/truesize ratio.
+ */
+static inline bool tcp_rmem_pressure(const struct sock *sk)
+{
+ int rcvbuf = READ_ONCE(sk->sk_rcvbuf);
+ int threshold = rcvbuf - (rcvbuf >> 3);
+
+ return atomic_read(&sk->sk_rmem_alloc) > threshold;
+}
+
extern void tcp_openreq_init_rwin(struct request_sock *req,
const struct sock *sk_listener,
const struct dst_entry *dst);
diff --git a/include/net/tls.h b/include/net/tls.h
index bf9eb4823933..3212d3c214a9 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -135,6 +135,8 @@ struct tls_sw_context_tx {
struct tls_rec *open_rec;
struct list_head tx_list;
atomic_t encrypt_pending;
+ /* protect crypto_wait with encrypt_pending */
+ spinlock_t encrypt_compl_lock;
int async_notify;
u8 async_capable:1;
@@ -155,6 +157,8 @@ struct tls_sw_context_rx {
u8 async_capable:1;
u8 decrypted:1;
atomic_t decrypt_pending;
+ /* protect crypto_wait with decrypt_pending*/
+ spinlock_t decrypt_compl_lock;
bool async_notify;
};
@@ -567,6 +571,15 @@ static inline bool tls_sw_has_ctx_tx(const struct sock *sk)
return !!tls_sw_ctx_tx(ctx);
}
+static inline bool tls_sw_has_ctx_rx(const struct sock *sk)
+{
+ struct tls_context *ctx = tls_get_ctx(sk);
+
+ if (!ctx)
+ return false;
+ return !!tls_sw_ctx_rx(ctx);
+}
+
void tls_sw_write_space(struct sock *sk, struct tls_context *ctx);
void tls_device_write_space(struct sock *sk, struct tls_context *ctx);
@@ -594,12 +607,22 @@ tls_driver_ctx(const struct sock *sk, enum tls_offload_ctx_dir direction)
#endif
/* The TLS context is valid until sk_destruct is called */
+#define RESYNC_REQ (1 << 0)
+#define RESYNC_REQ_FORCE (1 << 1)
static inline void tls_offload_rx_resync_request(struct sock *sk, __be32 seq)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_offload_context_rx *rx_ctx = tls_offload_ctx_rx(tls_ctx);
- atomic64_set(&rx_ctx->resync_req, ((u64)ntohl(seq) << 32) | 1);
+ atomic64_set(&rx_ctx->resync_req, ((u64)ntohl(seq) << 32) | RESYNC_REQ);
+}
+
+static inline void tls_offload_rx_force_resync_request(struct sock *sk)
+{
+ struct tls_context *tls_ctx = tls_get_ctx(sk);
+ struct tls_offload_context_rx *rx_ctx = tls_offload_ctx_rx(tls_ctx);
+
+ atomic64_set(&rx_ctx->resync_req, RESYNC_REQ | RESYNC_REQ_FORCE);
}
static inline void
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index 4b1f95e08307..e7312ceb2794 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -143,14 +143,12 @@ void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb
__be16 df, __be16 src_port, __be16 dst_port,
bool xnet, bool nocheck);
-#if IS_ENABLED(CONFIG_IPV6)
int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
struct sk_buff *skb,
struct net_device *dev, struct in6_addr *saddr,
struct in6_addr *daddr,
__u8 prio, __u8 ttl, __be32 label,
__be16 src_port, __be16 dst_port, bool nocheck);
-#endif
void udp_tunnel_sock_release(struct socket *sock);
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 373aadcfea21..3a41627cbdfe 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -7,6 +7,7 @@
#include <net/dst_metadata.h>
#include <net/rtnetlink.h>
#include <net/switchdev.h>
+#include <net/nexthop.h>
#define IANA_VXLAN_UDP_PORT 4789
@@ -487,4 +488,28 @@ static inline void vxlan_flag_attr_error(int attrtype,
#undef VXLAN_FLAG
}
+static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh,
+ int hash,
+ struct vxlan_rdst *rdst)
+{
+ struct fib_nh_common *nhc;
+
+ nhc = nexthop_path_fdb_result(nh, hash);
+ if (unlikely(!nhc))
+ return false;
+
+ switch (nhc->nhc_gw_family) {
+ case AF_INET:
+ rdst->remote_ip.sin.sin_addr.s_addr = nhc->nhc_gw.ipv4;
+ rdst->remote_ip.sa.sa_family = AF_INET;
+ break;
+ case AF_INET6:
+ rdst->remote_ip.sin6.sin6_addr = nhc->nhc_gw.ipv6;
+ rdst->remote_ip.sa.sa_family = AF_INET6;
+ break;
+ }
+
+ return true;
+}
+
#endif
diff --git a/include/net/xdp.h b/include/net/xdp.h
index 40c6d3398458..609f819ed08b 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -6,6 +6,8 @@
#ifndef __LINUX_NET_XDP_H__
#define __LINUX_NET_XDP_H__
+#include <linux/skbuff.h> /* skb_shared_info */
+
/**
* DOC: XDP RX-queue information
*
@@ -37,7 +39,7 @@ enum xdp_mem_type {
MEM_TYPE_PAGE_SHARED = 0, /* Split-page refcnt based model */
MEM_TYPE_PAGE_ORDER0, /* Orig XDP full page model */
MEM_TYPE_PAGE_POOL,
- MEM_TYPE_ZERO_COPY,
+ MEM_TYPE_XSK_BUFF_POOL,
MEM_TYPE_MAX,
};
@@ -52,10 +54,6 @@ struct xdp_mem_info {
struct page_pool;
-struct zero_copy_allocator {
- void (*free)(struct zero_copy_allocator *zca, unsigned long handle);
-};
-
struct xdp_rxq_info {
struct net_device *dev;
u32 queue_index;
@@ -63,20 +61,36 @@ struct xdp_rxq_info {
struct xdp_mem_info mem;
} ____cacheline_aligned; /* perf critical, avoid false-sharing */
+struct xdp_txq_info {
+ struct net_device *dev;
+};
+
struct xdp_buff {
void *data;
void *data_end;
void *data_meta;
void *data_hard_start;
- unsigned long handle;
struct xdp_rxq_info *rxq;
+ struct xdp_txq_info *txq;
+ u32 frame_sz; /* frame size to deduce data_hard_end/reserved tailroom*/
};
+/* Reserve memory area at end-of data area.
+ *
+ * This macro reserves tailroom in the XDP buffer by limiting the
+ * XDP/BPF data access to data_hard_end. Notice same area (and size)
+ * is used for XDP_PASS, when constructing the SKB via build_skb().
+ */
+#define xdp_data_hard_end(xdp) \
+ ((xdp)->data_hard_start + (xdp)->frame_sz - \
+ SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
+
struct xdp_frame {
void *data;
u16 len;
u16 headroom;
- u16 metasize;
+ u32 metasize:8;
+ u32 frame_sz:24;
/* Lifetime of xdp_rxq_info is limited to NAPI/enqueue time,
* while mem info is valid on remote CPU.
*/
@@ -91,17 +105,31 @@ static inline void xdp_scrub_frame(struct xdp_frame *frame)
frame->dev_rx = NULL;
}
+/* Avoids inlining WARN macro in fast-path */
+void xdp_warn(const char *msg, const char *func, const int line);
+#define XDP_WARN(msg) xdp_warn(msg, __func__, __LINE__)
+
struct xdp_frame *xdp_convert_zc_to_xdp_frame(struct xdp_buff *xdp);
+static inline
+void xdp_convert_frame_to_buff(struct xdp_frame *frame, struct xdp_buff *xdp)
+{
+ xdp->data_hard_start = frame->data - frame->headroom - sizeof(*frame);
+ xdp->data = frame->data;
+ xdp->data_end = frame->data + frame->len;
+ xdp->data_meta = frame->data - frame->metasize;
+ xdp->frame_sz = frame->frame_sz;
+}
+
/* Convert xdp_buff to xdp_frame */
static inline
-struct xdp_frame *convert_to_xdp_frame(struct xdp_buff *xdp)
+struct xdp_frame *xdp_convert_buff_to_frame(struct xdp_buff *xdp)
{
struct xdp_frame *xdp_frame;
int metasize;
int headroom;
- if (xdp->rxq->mem.type == MEM_TYPE_ZERO_COPY)
+ if (xdp->rxq->mem.type == MEM_TYPE_XSK_BUFF_POOL)
return xdp_convert_zc_to_xdp_frame(xdp);
/* Assure headroom is available for storing info */
@@ -111,6 +139,12 @@ struct xdp_frame *convert_to_xdp_frame(struct xdp_buff *xdp)
if (unlikely((headroom - metasize) < sizeof(*xdp_frame)))
return NULL;
+ /* Catch if driver didn't reserve tailroom for skb_shared_info */
+ if (unlikely(xdp->data_end > xdp_data_hard_end(xdp))) {
+ XDP_WARN("Driver BUG: missing reserved tailroom");
+ return NULL;
+ }
+
/* Store info in top of packet */
xdp_frame = xdp->data_hard_start;
@@ -118,6 +152,7 @@ struct xdp_frame *convert_to_xdp_frame(struct xdp_buff *xdp)
xdp_frame->len = xdp->data_end - xdp->data;
xdp_frame->headroom = headroom - sizeof(*xdp_frame);
xdp_frame->metasize = metasize;
+ xdp_frame->frame_sz = xdp->frame_sz;
/* rxq only valid until napi_schedule ends, convert to xdp_mem_info */
xdp_frame->mem = xdp->rxq->mem;
@@ -181,4 +216,6 @@ bool xdp_attachment_flags_ok(struct xdp_attachment_info *info,
void xdp_attachment_setup(struct xdp_attachment_info *info,
struct netdev_bpf *bpf);
+#define DEV_MAP_BULK_SIZE 16
+
#endif /* __LINUX_NET_XDP_H__ */
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index e86ec48ef627..96bfc5f5f24e 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -15,42 +15,16 @@
struct net_device;
struct xsk_queue;
-
-/* Masks for xdp_umem_page flags.
- * The low 12-bits of the addr will be 0 since this is the page address, so we
- * can use them for flags.
- */
-#define XSK_NEXT_PG_CONTIG_SHIFT 0
-#define XSK_NEXT_PG_CONTIG_MASK (1ULL << XSK_NEXT_PG_CONTIG_SHIFT)
-
-struct xdp_umem_page {
- void *addr;
- dma_addr_t dma;
-};
-
-struct xdp_umem_fq_reuse {
- u32 nentries;
- u32 length;
- u64 handles[];
-};
-
-/* Flags for the umem flags field.
- *
- * The NEED_WAKEUP flag is 1 due to the reuse of the flags field for public
- * flags. See inlude/uapi/include/linux/if_xdp.h.
- */
-#define XDP_UMEM_USES_NEED_WAKEUP (1 << 1)
+struct xdp_buff;
struct xdp_umem {
struct xsk_queue *fq;
struct xsk_queue *cq;
- struct xdp_umem_page *pages;
- u64 chunk_mask;
+ struct xsk_buff_pool *pool;
u64 size;
u32 headroom;
- u32 chunk_size_nohr;
+ u32 chunk_size;
struct user_struct *user;
- unsigned long address;
refcount_t users;
struct work_struct work;
struct page **pgs;
@@ -60,28 +34,17 @@ struct xdp_umem {
u8 flags;
int id;
struct net_device *dev;
- struct xdp_umem_fq_reuse *fq_reuse;
bool zc;
- spinlock_t xsk_list_lock;
- struct list_head xsk_list;
+ spinlock_t xsk_tx_list_lock;
+ struct list_head xsk_tx_list;
};
-/* Nodes are linked in the struct xdp_sock map_list field, and used to
- * track which maps a certain socket reside in.
- */
-
struct xsk_map {
struct bpf_map map;
spinlock_t lock; /* Synchronize map updates */
struct xdp_sock *xsk_map[];
};
-struct xsk_map_node {
- struct list_head node;
- struct xsk_map *map;
- struct xdp_sock **map_entry;
-};
-
struct xdp_sock {
/* struct sock must be the first member of struct xdp_sock */
struct sock sk;
@@ -112,32 +75,9 @@ struct xdp_sock {
spinlock_t map_list_lock;
};
-struct xdp_buff;
#ifdef CONFIG_XDP_SOCKETS
-int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp);
-bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs);
-/* Used from netdev driver */
-bool xsk_umem_has_addrs(struct xdp_umem *umem, u32 cnt);
-bool xsk_umem_peek_addr(struct xdp_umem *umem, u64 *addr);
-void xsk_umem_release_addr(struct xdp_umem *umem);
-void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries);
-bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc);
-void xsk_umem_consume_tx_done(struct xdp_umem *umem);
-struct xdp_umem_fq_reuse *xsk_reuseq_prepare(u32 nentries);
-struct xdp_umem_fq_reuse *xsk_reuseq_swap(struct xdp_umem *umem,
- struct xdp_umem_fq_reuse *newq);
-void xsk_reuseq_free(struct xdp_umem_fq_reuse *rq);
-struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev, u16 queue_id);
-void xsk_set_rx_need_wakeup(struct xdp_umem *umem);
-void xsk_set_tx_need_wakeup(struct xdp_umem *umem);
-void xsk_clear_rx_need_wakeup(struct xdp_umem *umem);
-void xsk_clear_tx_need_wakeup(struct xdp_umem *umem);
-bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem);
-void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs,
- struct xdp_sock **map_entry);
-int xsk_map_inc(struct xsk_map *map);
-void xsk_map_put(struct xsk_map *map);
+int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp);
int __xsk_map_redirect(struct xdp_sock *xs, struct xdp_buff *xdp);
void __xsk_map_flush(void);
@@ -154,219 +94,13 @@ static inline struct xdp_sock *__xsk_map_lookup_elem(struct bpf_map *map,
return xs;
}
-static inline u64 xsk_umem_extract_addr(u64 addr)
-{
- return addr & XSK_UNALIGNED_BUF_ADDR_MASK;
-}
-
-static inline u64 xsk_umem_extract_offset(u64 addr)
-{
- return addr >> XSK_UNALIGNED_BUF_OFFSET_SHIFT;
-}
-
-static inline u64 xsk_umem_add_offset_to_addr(u64 addr)
-{
- return xsk_umem_extract_addr(addr) + xsk_umem_extract_offset(addr);
-}
-
-static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)
-{
- unsigned long page_addr;
-
- addr = xsk_umem_add_offset_to_addr(addr);
- page_addr = (unsigned long)umem->pages[addr >> PAGE_SHIFT].addr;
-
- return (char *)(page_addr & PAGE_MASK) + (addr & ~PAGE_MASK);
-}
-
-static inline dma_addr_t xdp_umem_get_dma(struct xdp_umem *umem, u64 addr)
-{
- addr = xsk_umem_add_offset_to_addr(addr);
-
- return umem->pages[addr >> PAGE_SHIFT].dma + (addr & ~PAGE_MASK);
-}
-
-/* Reuse-queue aware version of FILL queue helpers */
-static inline bool xsk_umem_has_addrs_rq(struct xdp_umem *umem, u32 cnt)
-{
- struct xdp_umem_fq_reuse *rq = umem->fq_reuse;
-
- if (rq->length >= cnt)
- return true;
-
- return xsk_umem_has_addrs(umem, cnt - rq->length);
-}
-
-static inline bool xsk_umem_peek_addr_rq(struct xdp_umem *umem, u64 *addr)
-{
- struct xdp_umem_fq_reuse *rq = umem->fq_reuse;
-
- if (!rq->length)
- return xsk_umem_peek_addr(umem, addr);
-
- *addr = rq->handles[rq->length - 1];
- return addr;
-}
-
-static inline void xsk_umem_release_addr_rq(struct xdp_umem *umem)
-{
- struct xdp_umem_fq_reuse *rq = umem->fq_reuse;
-
- if (!rq->length)
- xsk_umem_release_addr(umem);
- else
- rq->length--;
-}
-
-static inline void xsk_umem_fq_reuse(struct xdp_umem *umem, u64 addr)
-{
- struct xdp_umem_fq_reuse *rq = umem->fq_reuse;
-
- rq->handles[rq->length++] = addr;
-}
-
-/* Handle the offset appropriately depending on aligned or unaligned mode.
- * For unaligned mode, we store the offset in the upper 16-bits of the address.
- * For aligned mode, we simply add the offset to the address.
- */
-static inline u64 xsk_umem_adjust_offset(struct xdp_umem *umem, u64 address,
- u64 offset)
-{
- if (umem->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG)
- return address + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT);
- else
- return address + offset;
-}
#else
+
static inline int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
{
return -ENOTSUPP;
}
-static inline bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs)
-{
- return false;
-}
-
-static inline bool xsk_umem_has_addrs(struct xdp_umem *umem, u32 cnt)
-{
- return false;
-}
-
-static inline u64 *xsk_umem_peek_addr(struct xdp_umem *umem, u64 *addr)
-{
- return NULL;
-}
-
-static inline void xsk_umem_release_addr(struct xdp_umem *umem)
-{
-}
-
-static inline void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries)
-{
-}
-
-static inline bool xsk_umem_consume_tx(struct xdp_umem *umem,
- struct xdp_desc *desc)
-{
- return false;
-}
-
-static inline void xsk_umem_consume_tx_done(struct xdp_umem *umem)
-{
-}
-
-static inline struct xdp_umem_fq_reuse *xsk_reuseq_prepare(u32 nentries)
-{
- return NULL;
-}
-
-static inline struct xdp_umem_fq_reuse *xsk_reuseq_swap(
- struct xdp_umem *umem,
- struct xdp_umem_fq_reuse *newq)
-{
- return NULL;
-}
-static inline void xsk_reuseq_free(struct xdp_umem_fq_reuse *rq)
-{
-}
-
-static inline struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev,
- u16 queue_id)
-{
- return NULL;
-}
-
-static inline u64 xsk_umem_extract_addr(u64 addr)
-{
- return 0;
-}
-
-static inline u64 xsk_umem_extract_offset(u64 addr)
-{
- return 0;
-}
-
-static inline u64 xsk_umem_add_offset_to_addr(u64 addr)
-{
- return 0;
-}
-
-static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr)
-{
- return NULL;
-}
-
-static inline dma_addr_t xdp_umem_get_dma(struct xdp_umem *umem, u64 addr)
-{
- return 0;
-}
-
-static inline bool xsk_umem_has_addrs_rq(struct xdp_umem *umem, u32 cnt)
-{
- return false;
-}
-
-static inline u64 *xsk_umem_peek_addr_rq(struct xdp_umem *umem, u64 *addr)
-{
- return NULL;
-}
-
-static inline void xsk_umem_release_addr_rq(struct xdp_umem *umem)
-{
-}
-
-static inline void xsk_umem_fq_reuse(struct xdp_umem *umem, u64 addr)
-{
-}
-
-static inline void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
-{
-}
-
-static inline void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
-{
-}
-
-static inline void xsk_clear_rx_need_wakeup(struct xdp_umem *umem)
-{
-}
-
-static inline void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
-{
-}
-
-static inline bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
-{
- return false;
-}
-
-static inline u64 xsk_umem_adjust_offset(struct xdp_umem *umem, u64 handle,
- u64 offset)
-{
- return 0;
-}
-
static inline int __xsk_map_redirect(struct xdp_sock *xs, struct xdp_buff *xdp)
{
return -EOPNOTSUPP;
@@ -381,6 +115,7 @@ static inline struct xdp_sock *__xsk_map_lookup_elem(struct bpf_map *map,
{
return NULL;
}
+
#endif /* CONFIG_XDP_SOCKETS */
#endif /* _LINUX_XDP_SOCK_H */
diff --git a/include/net/xdp_sock_drv.h b/include/net/xdp_sock_drv.h
new file mode 100644
index 000000000000..ccf848f7efa4
--- /dev/null
+++ b/include/net/xdp_sock_drv.h
@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Interface for implementing AF_XDP zero-copy support in drivers.
+ * Copyright(c) 2020 Intel Corporation.
+ */
+
+#ifndef _LINUX_XDP_SOCK_DRV_H
+#define _LINUX_XDP_SOCK_DRV_H
+
+#include <net/xdp_sock.h>
+#include <net/xsk_buff_pool.h>
+
+#ifdef CONFIG_XDP_SOCKETS
+
+void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries);
+bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc);
+void xsk_umem_consume_tx_done(struct xdp_umem *umem);
+struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev, u16 queue_id);
+void xsk_set_rx_need_wakeup(struct xdp_umem *umem);
+void xsk_set_tx_need_wakeup(struct xdp_umem *umem);
+void xsk_clear_rx_need_wakeup(struct xdp_umem *umem);
+void xsk_clear_tx_need_wakeup(struct xdp_umem *umem);
+bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem);
+
+static inline u32 xsk_umem_get_headroom(struct xdp_umem *umem)
+{
+ return XDP_PACKET_HEADROOM + umem->headroom;
+}
+
+static inline u32 xsk_umem_get_chunk_size(struct xdp_umem *umem)
+{
+ return umem->chunk_size;
+}
+
+static inline u32 xsk_umem_get_rx_frame_size(struct xdp_umem *umem)
+{
+ return xsk_umem_get_chunk_size(umem) - xsk_umem_get_headroom(umem);
+}
+
+static inline void xsk_buff_set_rxq_info(struct xdp_umem *umem,
+ struct xdp_rxq_info *rxq)
+{
+ xp_set_rxq_info(umem->pool, rxq);
+}
+
+static inline void xsk_buff_dma_unmap(struct xdp_umem *umem,
+ unsigned long attrs)
+{
+ xp_dma_unmap(umem->pool, attrs);
+}
+
+static inline int xsk_buff_dma_map(struct xdp_umem *umem, struct device *dev,
+ unsigned long attrs)
+{
+ return xp_dma_map(umem->pool, dev, attrs, umem->pgs, umem->npgs);
+}
+
+static inline dma_addr_t xsk_buff_xdp_get_dma(struct xdp_buff *xdp)
+{
+ struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
+
+ return xp_get_dma(xskb);
+}
+
+static inline dma_addr_t xsk_buff_xdp_get_frame_dma(struct xdp_buff *xdp)
+{
+ struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
+
+ return xp_get_frame_dma(xskb);
+}
+
+static inline struct xdp_buff *xsk_buff_alloc(struct xdp_umem *umem)
+{
+ return xp_alloc(umem->pool);
+}
+
+static inline bool xsk_buff_can_alloc(struct xdp_umem *umem, u32 count)
+{
+ return xp_can_alloc(umem->pool, count);
+}
+
+static inline void xsk_buff_free(struct xdp_buff *xdp)
+{
+ struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
+
+ xp_free(xskb);
+}
+
+static inline dma_addr_t xsk_buff_raw_get_dma(struct xdp_umem *umem, u64 addr)
+{
+ return xp_raw_get_dma(umem->pool, addr);
+}
+
+static inline void *xsk_buff_raw_get_data(struct xdp_umem *umem, u64 addr)
+{
+ return xp_raw_get_data(umem->pool, addr);
+}
+
+static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
+{
+ struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
+
+ xp_dma_sync_for_cpu(xskb);
+}
+
+static inline void xsk_buff_raw_dma_sync_for_device(struct xdp_umem *umem,
+ dma_addr_t dma,
+ size_t size)
+{
+ xp_dma_sync_for_device(umem->pool, dma, size);
+}
+
+#else
+
+static inline void xsk_umem_complete_tx(struct xdp_umem *umem, u32 nb_entries)
+{
+}
+
+static inline bool xsk_umem_consume_tx(struct xdp_umem *umem,
+ struct xdp_desc *desc)
+{
+ return false;
+}
+
+static inline void xsk_umem_consume_tx_done(struct xdp_umem *umem)
+{
+}
+
+static inline struct xdp_umem *xdp_get_umem_from_qid(struct net_device *dev,
+ u16 queue_id)
+{
+ return NULL;
+}
+
+static inline void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
+{
+}
+
+static inline void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
+{
+}
+
+static inline void xsk_clear_rx_need_wakeup(struct xdp_umem *umem)
+{
+}
+
+static inline void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
+{
+}
+
+static inline bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
+{
+ return false;
+}
+
+static inline u32 xsk_umem_get_headroom(struct xdp_umem *umem)
+{
+ return 0;
+}
+
+static inline u32 xsk_umem_get_chunk_size(struct xdp_umem *umem)
+{
+ return 0;
+}
+
+static inline u32 xsk_umem_get_rx_frame_size(struct xdp_umem *umem)
+{
+ return 0;
+}
+
+static inline void xsk_buff_set_rxq_info(struct xdp_umem *umem,
+ struct xdp_rxq_info *rxq)
+{
+}
+
+static inline void xsk_buff_dma_unmap(struct xdp_umem *umem,
+ unsigned long attrs)
+{
+}
+
+static inline int xsk_buff_dma_map(struct xdp_umem *umem, struct device *dev,
+ unsigned long attrs)
+{
+ return 0;
+}
+
+static inline dma_addr_t xsk_buff_xdp_get_dma(struct xdp_buff *xdp)
+{
+ return 0;
+}
+
+static inline dma_addr_t xsk_buff_xdp_get_frame_dma(struct xdp_buff *xdp)
+{
+ return 0;
+}
+
+static inline struct xdp_buff *xsk_buff_alloc(struct xdp_umem *umem)
+{
+ return NULL;
+}
+
+static inline bool xsk_buff_can_alloc(struct xdp_umem *umem, u32 count)
+{
+ return false;
+}
+
+static inline void xsk_buff_free(struct xdp_buff *xdp)
+{
+}
+
+static inline dma_addr_t xsk_buff_raw_get_dma(struct xdp_umem *umem, u64 addr)
+{
+ return 0;
+}
+
+static inline void *xsk_buff_raw_get_data(struct xdp_umem *umem, u64 addr)
+{
+ return NULL;
+}
+
+static inline void xsk_buff_dma_sync_for_cpu(struct xdp_buff *xdp)
+{
+}
+
+static inline void xsk_buff_raw_dma_sync_for_device(struct xdp_umem *umem,
+ dma_addr_t dma,
+ size_t size)
+{
+}
+
+#endif /* CONFIG_XDP_SOCKETS */
+
+#endif /* _LINUX_XDP_SOCK_DRV_H */
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 8f71c111e65a..094fe682f5d7 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -361,11 +361,6 @@ struct xfrm_state_afinfo {
const struct xfrm_type *type_dstopts;
int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
- int (*output_finish)(struct sock *sk, struct sk_buff *skb);
- int (*extract_input)(struct xfrm_state *x,
- struct sk_buff *skb);
- int (*extract_output)(struct xfrm_state *x,
- struct sk_buff *skb);
int (*transport_finish)(struct sk_buff *skb,
int async);
void (*local_error)(struct sk_buff *skb, u32 mtu);
@@ -1406,6 +1401,8 @@ struct xfrm4_protocol {
struct xfrm6_protocol {
int (*handler)(struct sk_buff *skb);
+ int (*input_handler)(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type);
int (*cb_handler)(struct sk_buff *skb, int err);
int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info);
@@ -1562,7 +1559,6 @@ int pktgen_xfrm_outer_mode_output(struct xfrm_state *x, struct sk_buff *skb);
#endif
void xfrm_local_error(struct sk_buff *skb, int mtu);
-int xfrm4_extract_header(struct sk_buff *skb);
int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb);
int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
int encap_type);
@@ -1578,7 +1574,6 @@ static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
return xfrm_input(skb, nexthdr, spi, 0);
}
-int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb);
int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb);
int xfrm4_protocol_register(struct xfrm4_protocol *handler, unsigned char protocol);
@@ -1586,10 +1581,11 @@ int xfrm4_protocol_deregister(struct xfrm4_protocol *handler, unsigned char prot
int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family);
int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family);
void xfrm4_local_error(struct sk_buff *skb, u32 mtu);
-int xfrm6_extract_header(struct sk_buff *skb);
int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb);
int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi,
struct ip6_tnl *t);
+int xfrm6_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type);
int xfrm6_transport_finish(struct sk_buff *skb, int async);
int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t);
int xfrm6_rcv(struct sk_buff *skb);
@@ -1602,14 +1598,15 @@ int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
__be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
__be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
-int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb);
int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb);
int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
u8 **prevhdr);
#ifdef CONFIG_XFRM
+void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu);
int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb);
+int xfrm6_udp_encap_rcv(struct sock *sk, struct sk_buff *skb);
int xfrm_user_policy(struct sock *sk, int optname,
u8 __user *optval, int optlen);
#else
@@ -1992,4 +1989,20 @@ static inline int xfrm_tunnel_check(struct sk_buff *skb, struct xfrm_state *x,
return 0;
}
+
+#if IS_ENABLED(CONFIG_IPV6)
+static inline bool xfrm6_local_dontfrag(const struct sock *sk)
+{
+ int proto;
+
+ if (!sk || sk->sk_family != AF_INET6)
+ return false;
+
+ proto = sk->sk_protocol;
+ if (proto == IPPROTO_UDP || proto == IPPROTO_RAW)
+ return inet6_sk(sk)->dontfrag;
+
+ return false;
+}
+#endif
#endif /* _NET_XFRM_H */
diff --git a/include/net/xsk_buff_pool.h b/include/net/xsk_buff_pool.h
new file mode 100644
index 000000000000..a4ff226505c9
--- /dev/null
+++ b/include/net/xsk_buff_pool.h
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2020 Intel Corporation. */
+
+#ifndef XSK_BUFF_POOL_H_
+#define XSK_BUFF_POOL_H_
+
+#include <linux/if_xdp.h>
+#include <linux/types.h>
+#include <linux/dma-mapping.h>
+#include <net/xdp.h>
+
+struct xsk_buff_pool;
+struct xdp_rxq_info;
+struct xsk_queue;
+struct xdp_desc;
+struct device;
+struct page;
+
+struct xdp_buff_xsk {
+ struct xdp_buff xdp;
+ dma_addr_t dma;
+ dma_addr_t frame_dma;
+ struct xsk_buff_pool *pool;
+ bool unaligned;
+ u64 orig_addr;
+ struct list_head free_list_node;
+};
+
+struct xsk_buff_pool {
+ struct xsk_queue *fq;
+ struct list_head free_list;
+ dma_addr_t *dma_pages;
+ struct xdp_buff_xsk *heads;
+ u64 chunk_mask;
+ u64 addrs_cnt;
+ u32 free_list_cnt;
+ u32 dma_pages_cnt;
+ u32 heads_cnt;
+ u32 free_heads_cnt;
+ u32 headroom;
+ u32 chunk_size;
+ u32 frame_len;
+ bool cheap_dma;
+ bool unaligned;
+ void *addrs;
+ struct device *dev;
+ struct xdp_buff_xsk *free_heads[];
+};
+
+/* AF_XDP core. */
+struct xsk_buff_pool *xp_create(struct page **pages, u32 nr_pages, u32 chunks,
+ u32 chunk_size, u32 headroom, u64 size,
+ bool unaligned);
+void xp_set_fq(struct xsk_buff_pool *pool, struct xsk_queue *fq);
+void xp_destroy(struct xsk_buff_pool *pool);
+void xp_release(struct xdp_buff_xsk *xskb);
+
+/* AF_XDP, and XDP core. */
+void xp_free(struct xdp_buff_xsk *xskb);
+
+/* AF_XDP ZC drivers, via xdp_sock_buff.h */
+void xp_set_rxq_info(struct xsk_buff_pool *pool, struct xdp_rxq_info *rxq);
+int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
+ unsigned long attrs, struct page **pages, u32 nr_pages);
+void xp_dma_unmap(struct xsk_buff_pool *pool, unsigned long attrs);
+struct xdp_buff *xp_alloc(struct xsk_buff_pool *pool);
+bool xp_can_alloc(struct xsk_buff_pool *pool, u32 count);
+void *xp_raw_get_data(struct xsk_buff_pool *pool, u64 addr);
+dma_addr_t xp_raw_get_dma(struct xsk_buff_pool *pool, u64 addr);
+static inline dma_addr_t xp_get_dma(struct xdp_buff_xsk *xskb)
+{
+ return xskb->dma;
+}
+
+static inline dma_addr_t xp_get_frame_dma(struct xdp_buff_xsk *xskb)
+{
+ return xskb->frame_dma;
+}
+
+void xp_dma_sync_for_cpu_slow(struct xdp_buff_xsk *xskb);
+static inline void xp_dma_sync_for_cpu(struct xdp_buff_xsk *xskb)
+{
+ if (xskb->pool->cheap_dma)
+ return;
+
+ xp_dma_sync_for_cpu_slow(xskb);
+}
+
+void xp_dma_sync_for_device_slow(struct xsk_buff_pool *pool, dma_addr_t dma,
+ size_t size);
+static inline void xp_dma_sync_for_device(struct xsk_buff_pool *pool,
+ dma_addr_t dma, size_t size)
+{
+ if (pool->cheap_dma)
+ return;
+
+ xp_dma_sync_for_device_slow(pool, dma, size);
+}
+
+/* Masks for xdp_umem_page flags.
+ * The low 12-bits of the addr will be 0 since this is the page address, so we
+ * can use them for flags.
+ */
+#define XSK_NEXT_PG_CONTIG_SHIFT 0
+#define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
+
+static inline bool xp_desc_crosses_non_contig_pg(struct xsk_buff_pool *pool,
+ u64 addr, u32 len)
+{
+ bool cross_pg = (addr & (PAGE_SIZE - 1)) + len > PAGE_SIZE;
+
+ if (pool->dma_pages_cnt && cross_pg) {
+ return !(pool->dma_pages[addr >> PAGE_SHIFT] &
+ XSK_NEXT_PG_CONTIG_MASK);
+ }
+ return false;
+}
+
+static inline u64 xp_aligned_extract_addr(struct xsk_buff_pool *pool, u64 addr)
+{
+ return addr & pool->chunk_mask;
+}
+
+static inline u64 xp_unaligned_extract_addr(u64 addr)
+{
+ return addr & XSK_UNALIGNED_BUF_ADDR_MASK;
+}
+
+static inline u64 xp_unaligned_extract_offset(u64 addr)
+{
+ return addr >> XSK_UNALIGNED_BUF_OFFSET_SHIFT;
+}
+
+static inline u64 xp_unaligned_add_offset_to_addr(u64 addr)
+{
+ return xp_unaligned_extract_addr(addr) +
+ xp_unaligned_extract_offset(addr);
+}
+
+#endif /* XSK_BUFF_POOL_H_ */
diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h
index 1b28ce1aba07..325fdaa3bb66 100644
--- a/include/rdma/uverbs_std_types.h
+++ b/include/rdma/uverbs_std_types.h
@@ -88,7 +88,7 @@ struct ib_uobject *__uobj_get_destroy(const struct uverbs_api_object *obj,
static inline void uobj_put_destroy(struct ib_uobject *uobj)
{
- rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_WRITE);
+ rdma_lookup_put_uobject(uobj, UVERBS_LOOKUP_DESTROY);
}
static inline void uobj_put_read(struct ib_uobject *uobj)
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 80ac89e47b47..f93c0b800790 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -142,6 +142,7 @@ struct scsi_cmnd {
unsigned long state; /* Command completion state */
unsigned char tag; /* SCSI-II queued command tag */
+ unsigned int extra_len; /* length of alignment and padding */
};
/*
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index c3cba2aaf934..bc5909033d13 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -229,6 +229,9 @@ struct scsi_device {
struct scsi_device_handler *handler;
void *handler_data;
+ size_t dma_drain_len;
+ void *dma_drain_buf;
+
unsigned char access_state;
struct mutex state_mutex;
enum scsi_device_state sdev_state;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 822e8cda8d9b..46ef8cccc982 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -271,6 +271,13 @@ struct scsi_host_template {
int (* map_queues)(struct Scsi_Host *shost);
/*
+ * Check if scatterlists need to be padded for DMA draining.
+ *
+ * Status: OPTIONAL
+ */
+ bool (* dma_need_drain)(struct request *rq);
+
+ /*
* This function determines the BIOS parameters for a given
* harddisk. These tend to be numbers that are made up by
* the host adapter. Parameters:
diff --git a/include/soc/mscc/ocelot.h b/include/soc/mscc/ocelot.h
index 6d6a3947c8b7..4953e9994df3 100644
--- a/include/soc/mscc/ocelot.h
+++ b/include/soc/mscc/ocelot.h
@@ -92,6 +92,8 @@
#define OCELOT_SPEED_100 2
#define OCELOT_SPEED_10 3
+#define OCELOT_PTP_PINS_NUM 4
+
#define TARGET_OFFSET 24
#define REG_MASK GENMASK(TARGET_OFFSET - 1, 0)
#define REG(reg, offset) [reg & REG_MASK] = offset
@@ -385,6 +387,8 @@ enum ocelot_reg {
PTP_PIN_TOD_SEC_MSB,
PTP_PIN_TOD_SEC_LSB,
PTP_PIN_TOD_NSEC,
+ PTP_PIN_WF_HIGH_PERIOD,
+ PTP_PIN_WF_LOW_PERIOD,
PTP_CFG_MISC,
PTP_CLK_CFG_ADJ_CFG,
PTP_CLK_CFG_ADJ_FREQ,
@@ -440,10 +444,11 @@ enum ocelot_regfield {
REGFIELD_MAX
};
-enum ocelot_clk_pins {
- ALT_PPS_PIN = 1,
- EXT_CLK_PIN,
- ALT_LDST_PIN,
+enum ocelot_ptp_pins {
+ PTP_PIN_0,
+ PTP_PIN_1,
+ PTP_PIN_2,
+ PTP_PIN_3,
TOD_ACC_PIN
};
@@ -502,6 +507,7 @@ struct ocelot {
unsigned int num_stats;
int shared_queue_sz;
+ int num_mact_rows;
struct net_device *hw_bridge_dev;
u16 bridge_mask;
@@ -549,6 +555,7 @@ struct ocelot {
struct mutex ptp_lock;
/* Protects the PTP clock */
spinlock_t ptp_clock_lock;
+ struct ptp_pin_desc ptp_pins[OCELOT_PTP_PINS_NUM];
};
struct ocelot_policer {
@@ -620,7 +627,6 @@ int ocelot_vlan_add(struct ocelot *ocelot, int port, u16 vid, bool pvid,
int ocelot_vlan_del(struct ocelot *ocelot, int port, u16 vid);
int ocelot_hwstamp_get(struct ocelot *ocelot, int port, struct ifreq *ifr);
int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr);
-int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
int ocelot_port_add_txtstamp_skb(struct ocelot_port *ocelot_port,
struct sk_buff *skb);
void ocelot_get_txtstamp(struct ocelot *ocelot);
diff --git a/drivers/net/ethernet/mscc/ocelot_ptp.h b/include/soc/mscc/ocelot_ptp.h
index 9ede14a12573..4a6b2f71b6b2 100644
--- a/drivers/net/ethernet/mscc/ocelot_ptp.h
+++ b/include/soc/mscc/ocelot_ptp.h
@@ -4,15 +4,21 @@
*
* License: Dual MIT/GPL
* Copyright (c) 2017 Microsemi Corporation
+ * Copyright 2020 NXP
*/
#ifndef _MSCC_OCELOT_PTP_H_
#define _MSCC_OCELOT_PTP_H_
+#include <linux/ptp_clock_kernel.h>
+#include <soc/mscc/ocelot.h>
+
#define PTP_PIN_CFG_RSZ 0x20
#define PTP_PIN_TOD_SEC_MSB_RSZ PTP_PIN_CFG_RSZ
#define PTP_PIN_TOD_SEC_LSB_RSZ PTP_PIN_CFG_RSZ
#define PTP_PIN_TOD_NSEC_RSZ PTP_PIN_CFG_RSZ
+#define PTP_PIN_WF_HIGH_PERIOD_RSZ PTP_PIN_CFG_RSZ
+#define PTP_PIN_WF_LOW_PERIOD_RSZ PTP_PIN_CFG_RSZ
#define PTP_PIN_CFG_DOM BIT(0)
#define PTP_PIN_CFG_SYNC BIT(2)
@@ -38,4 +44,15 @@ enum {
#define PTP_CFG_CLK_ADJ_FREQ_NS BIT(30)
+int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
+int ocelot_ptp_settime64(struct ptp_clock_info *ptp,
+ const struct timespec64 *ts);
+int ocelot_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta);
+int ocelot_ptp_adjfine(struct ptp_clock_info *ptp, long scaled_ppm);
+int ocelot_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
+ enum ptp_pin_function func, unsigned int chan);
+int ocelot_ptp_enable(struct ptp_clock_info *ptp,
+ struct ptp_clock_request *rq, int on);
+int ocelot_init_timestamp(struct ocelot *ocelot, struct ptp_clock_info *info);
+int ocelot_deinit_timestamp(struct ocelot *ocelot);
#endif
diff --git a/include/soc/tegra/pmc.h b/include/soc/tegra/pmc.h
index 0dd52b0a5c1b..361cb64246f7 100644
--- a/include/soc/tegra/pmc.h
+++ b/include/soc/tegra/pmc.h
@@ -168,7 +168,6 @@ int tegra_io_pad_power_disable(enum tegra_io_pad id);
int tegra_io_rail_power_on(unsigned int id);
int tegra_io_rail_power_off(unsigned int id);
-enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode);
void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode);
@@ -220,11 +219,6 @@ static inline int tegra_io_rail_power_off(unsigned int id)
return -ENOSYS;
}
-static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void)
-{
- return TEGRA_SUSPEND_NONE;
-}
-
static inline void tegra_pmc_set_suspend_mode(enum tegra_suspend_mode mode)
{
}
@@ -235,4 +229,13 @@ static inline void tegra_pmc_enter_suspend_mode(enum tegra_suspend_mode mode)
#endif /* CONFIG_SOC_TEGRA_PMC */
+#if defined(CONFIG_SOC_TEGRA_PMC) && defined(CONFIG_PM_SLEEP)
+enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void);
+#else
+static inline enum tegra_suspend_mode tegra_pmc_get_suspend_mode(void)
+{
+ return TEGRA_SUSPEND_NONE;
+}
+#endif
+
#endif /* __SOC_TEGRA_PMC_H__ */
diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h
index a36b7227a15a..334842daa904 100644
--- a/include/sound/rawmidi.h
+++ b/include/sound/rawmidi.h
@@ -61,6 +61,7 @@ struct snd_rawmidi_runtime {
size_t avail_min; /* min avail for wakeup */
size_t avail; /* max used buffer for wakeup */
size_t xruns; /* over/underruns counter */
+ int buffer_ref; /* buffer reference count */
/* misc */
spinlock_t lock;
wait_queue_head_t sleep;
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index d4825b82c7a3..b33abe93b905 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -351,7 +351,6 @@ struct snd_soc_dai {
/* bit field */
unsigned int probed:1;
- unsigned int started[SNDRV_PCM_STREAM_LAST + 1];
};
static inline struct snd_soc_pcm_stream *
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 13458e4fbb13..946f88a6c63d 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -790,6 +790,9 @@ struct snd_soc_dai_link {
const struct snd_soc_pcm_stream *params;
unsigned int num_params;
+ struct snd_soc_dapm_widget *playback_widget;
+ struct snd_soc_dapm_widget *capture_widget;
+
unsigned int dai_fmt; /* format to set on init */
enum snd_soc_dpcm_trigger trigger[2]; /* trigger type for DPCM */
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index bcbc763b8814..360b0f9d2220 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -89,6 +89,7 @@ TRACE_DEFINE_ENUM(COMMIT_TRANS);
{ IO_TREE_TRANS_DIRTY_PAGES, "TRANS_DIRTY_PAGES" }, \
{ IO_TREE_ROOT_DIRTY_LOG_PAGES, "ROOT_DIRTY_LOG_PAGES" }, \
{ IO_TREE_INODE_FILE_EXTENT, "INODE_FILE_EXTENT" }, \
+ { IO_TREE_LOG_CSUM_RANGE, "LOG_CSUM_RANGE" }, \
{ IO_TREE_SELFTEST, "SELFTEST" })
#define BTRFS_GROUP_FLAGS \
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
index e5bf6ee4e814..54e5bf081171 100644
--- a/include/trace/events/compaction.h
+++ b/include/trace/events/compaction.h
@@ -314,40 +314,44 @@ TRACE_EVENT(mm_compaction_kcompactd_sleep,
DECLARE_EVENT_CLASS(kcompactd_wake_template,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx),
+ TP_ARGS(nid, order, highest_zoneidx),
TP_STRUCT__entry(
__field(int, nid)
__field(int, order)
- __field(enum zone_type, classzone_idx)
+ __field(enum zone_type, highest_zoneidx)
),
TP_fast_assign(
__entry->nid = nid;
__entry->order = order;
- __entry->classzone_idx = classzone_idx;
+ __entry->highest_zoneidx = highest_zoneidx;
),
+ /*
+ * classzone_idx is previous name of the highest_zoneidx.
+ * Reason not to change it is the ABI requirement of the tracepoint.
+ */
TP_printk("nid=%d order=%d classzone_idx=%-8s",
__entry->nid,
__entry->order,
- __print_symbolic(__entry->classzone_idx, ZONE_TYPE))
+ __print_symbolic(__entry->highest_zoneidx, ZONE_TYPE))
);
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_wakeup_kcompactd,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx)
+ TP_ARGS(nid, order, highest_zoneidx)
);
DEFINE_EVENT(kcompactd_wake_template, mm_compaction_kcompactd_wake,
- TP_PROTO(int nid, int order, enum zone_type classzone_idx),
+ TP_PROTO(int nid, int order, enum zone_type highest_zoneidx),
- TP_ARGS(nid, order, classzone_idx)
+ TP_ARGS(nid, order, highest_zoneidx)
);
#endif
diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h
index 27f5caa6299a..bf9806fd1306 100644
--- a/include/trace/events/erofs.h
+++ b/include/trace/events/erofs.h
@@ -113,10 +113,10 @@ TRACE_EVENT(erofs_readpage,
TRACE_EVENT(erofs_readpages,
- TP_PROTO(struct inode *inode, struct page *page, unsigned int nrpage,
+ TP_PROTO(struct inode *inode, pgoff_t start, unsigned int nrpage,
bool raw),
- TP_ARGS(inode, page, nrpage, raw),
+ TP_ARGS(inode, start, nrpage, raw),
TP_STRUCT__entry(
__field(dev_t, dev )
@@ -129,7 +129,7 @@ TRACE_EVENT(erofs_readpages,
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->nid = EROFS_I(inode)->nid;
- __entry->start = page->index;
+ __entry->start = start;
__entry->nrpage = nrpage;
__entry->raw = raw;
),
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index d97adfc327f0..24c2557c37f0 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -1376,9 +1376,9 @@ TRACE_EVENT(f2fs_writepages,
TRACE_EVENT(f2fs_readpages,
- TP_PROTO(struct inode *inode, struct page *page, unsigned int nrpage),
+ TP_PROTO(struct inode *inode, pgoff_t start, unsigned int nrpage),
- TP_ARGS(inode, page, nrpage),
+ TP_ARGS(inode, start, nrpage),
TP_STRUCT__entry(
__field(dev_t, dev)
@@ -1390,7 +1390,7 @@ TRACE_EVENT(f2fs_readpages,
TP_fast_assign(
__entry->dev = inode->i_sb->s_dev;
__entry->ino = inode->i_ino;
- __entry->start = page->index;
+ __entry->start = start;
__entry->nrpage = nrpage;
),
diff --git a/include/trace/events/gpu_mem.h b/include/trace/events/gpu_mem.h
index 1897822a9150..26d871f96e94 100644
--- a/include/trace/events/gpu_mem.h
+++ b/include/trace/events/gpu_mem.h
@@ -24,7 +24,7 @@
*
* @pid: Put 0 for global total, while positive pid for process total.
*
- * @size: Virtual size of the allocation in bytes.
+ * @size: Size of the allocation in bytes.
*
*/
TRACE_EVENT(gpu_mem_total,
diff --git a/include/trace/events/huge_memory.h b/include/trace/events/huge_memory.h
index 70e32ff096ec..4fdb14a81108 100644
--- a/include/trace/events/huge_memory.h
+++ b/include/trace/events/huge_memory.h
@@ -12,6 +12,8 @@
EM( SCAN_SUCCEED, "succeeded") \
EM( SCAN_PMD_NULL, "pmd_null") \
EM( SCAN_EXCEED_NONE_PTE, "exceed_none_pte") \
+ EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
+ EM( SCAN_EXCEED_SHARED_PTE, "exceed_shared_pte") \
EM( SCAN_PTE_NON_PRESENT, "pte_non_present") \
EM( SCAN_PTE_UFFD_WP, "pte_uffd_wp") \
EM( SCAN_PAGE_RO, "no_writable_page") \
@@ -31,7 +33,6 @@
EM( SCAN_DEL_PAGE_LRU, "could_not_delete_page_from_lru")\
EM( SCAN_ALLOC_HUGE_PAGE_FAIL, "alloc_huge_page_failed") \
EM( SCAN_CGROUP_CHARGE_FAIL, "ccgroup_charge_failed") \
- EM( SCAN_EXCEED_SWAP_PTE, "exceed_swap_pte") \
EM( SCAN_TRUNCATED, "truncated") \
EMe(SCAN_PAGE_HAS_PRIVATE, "page_has_private") \
diff --git a/include/trace/events/iocost.h b/include/trace/events/iocost.h
index 7ecaa65b7106..c2f580fd371b 100644
--- a/include/trace/events/iocost.h
+++ b/include/trace/events/iocost.h
@@ -130,7 +130,7 @@ DEFINE_EVENT(iocg_inuse_update, iocost_inuse_reset,
TRACE_EVENT(iocost_ioc_vrate_adj,
- TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 (*missed_ppm)[2],
+ TP_PROTO(struct ioc *ioc, u64 new_vrate, u32 *missed_ppm,
u32 rq_wait_pct, int nr_lagging, int nr_shortages,
int nr_surpluses),
@@ -155,8 +155,8 @@ TRACE_EVENT(iocost_ioc_vrate_adj,
__entry->old_vrate = atomic64_read(&ioc->vtime_rate);;
__entry->new_vrate = new_vrate;
__entry->busy_level = ioc->busy_level;
- __entry->read_missed_ppm = (*missed_ppm)[READ];
- __entry->write_missed_ppm = (*missed_ppm)[WRITE];
+ __entry->read_missed_ppm = missed_ppm[READ];
+ __entry->write_missed_ppm = missed_ppm[WRITE];
__entry->rq_wait_pct = rq_wait_pct;
__entry->nr_lagging = nr_lagging;
__entry->nr_shortages = nr_shortages;
diff --git a/include/trace/events/qdisc.h b/include/trace/events/qdisc.h
index 0d1a9ebf55ba..330d32d84485 100644
--- a/include/trace/events/qdisc.h
+++ b/include/trace/events/qdisc.h
@@ -8,6 +8,8 @@
#include <linux/netdevice.h>
#include <linux/tracepoint.h>
#include <linux/ftrace.h>
+#include <linux/pkt_sched.h>
+#include <net/sch_generic.h>
TRACE_EVENT(qdisc_dequeue,
@@ -44,6 +46,79 @@ TRACE_EVENT(qdisc_dequeue,
__entry->txq_state, __entry->packets, __entry->skbaddr )
);
+TRACE_EVENT(qdisc_reset,
+
+ TP_PROTO(struct Qdisc *q),
+
+ TP_ARGS(q),
+
+ TP_STRUCT__entry(
+ __string( dev, qdisc_dev(q) )
+ __string( kind, q->ops->id )
+ __field( u32, parent )
+ __field( u32, handle )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, qdisc_dev(q));
+ __assign_str(kind, q->ops->id);
+ __entry->parent = q->parent;
+ __entry->handle = q->handle;
+ ),
+
+ TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
+ __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
+ TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
+);
+
+TRACE_EVENT(qdisc_destroy,
+
+ TP_PROTO(struct Qdisc *q),
+
+ TP_ARGS(q),
+
+ TP_STRUCT__entry(
+ __string( dev, qdisc_dev(q) )
+ __string( kind, q->ops->id )
+ __field( u32, parent )
+ __field( u32, handle )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, qdisc_dev(q));
+ __assign_str(kind, q->ops->id);
+ __entry->parent = q->parent;
+ __entry->handle = q->handle;
+ ),
+
+ TP_printk("dev=%s kind=%s parent=%x:%x handle=%x:%x", __get_str(dev),
+ __get_str(kind), TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent),
+ TC_H_MAJ(__entry->handle) >> 16, TC_H_MIN(__entry->handle))
+);
+
+TRACE_EVENT(qdisc_create,
+
+ TP_PROTO(const struct Qdisc_ops *ops, struct net_device *dev, u32 parent),
+
+ TP_ARGS(ops, dev, parent),
+
+ TP_STRUCT__entry(
+ __string( dev, dev->name )
+ __string( kind, ops->id )
+ __field( u32, parent )
+ ),
+
+ TP_fast_assign(
+ __assign_str(dev, dev->name);
+ __assign_str(kind, ops->id);
+ __entry->parent = parent;
+ ),
+
+ TP_printk("dev=%s kind=%s parent=%x:%x",
+ __get_str(dev), __get_str(kind),
+ TC_H_MAJ(__entry->parent) >> 16, TC_H_MIN(__entry->parent))
+);
+
#endif /* _TRACE_QDISC_H */
/* This part must be outside protection */
diff --git a/include/trace/events/qrtr.h b/include/trace/events/qrtr.h
new file mode 100644
index 000000000000..b1de14c3bb93
--- /dev/null
+++ b/include/trace/events/qrtr.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM qrtr
+
+#if !defined(_TRACE_QRTR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_QRTR_H
+
+#include <linux/qrtr.h>
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(qrtr_ns_service_announce_new,
+
+ TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+ TP_ARGS(service, instance, node, port),
+
+ TP_STRUCT__entry(
+ __field(__le32, service)
+ __field(__le32, instance)
+ __field(__le32, node)
+ __field(__le32, port)
+ ),
+
+ TP_fast_assign(
+ __entry->service = service;
+ __entry->instance = instance;
+ __entry->node = node;
+ __entry->port = port;
+ ),
+
+ TP_printk("advertising new server [%d:%x]@[%d:%d]",
+ __entry->service, __entry->instance, __entry->node,
+ __entry->port
+ )
+);
+
+TRACE_EVENT(qrtr_ns_service_announce_del,
+
+ TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+ TP_ARGS(service, instance, node, port),
+
+ TP_STRUCT__entry(
+ __field(__le32, service)
+ __field(__le32, instance)
+ __field(__le32, node)
+ __field(__le32, port)
+ ),
+
+ TP_fast_assign(
+ __entry->service = service;
+ __entry->instance = instance;
+ __entry->node = node;
+ __entry->port = port;
+ ),
+
+ TP_printk("advertising removal of server [%d:%x]@[%d:%d]",
+ __entry->service, __entry->instance, __entry->node,
+ __entry->port
+ )
+);
+
+TRACE_EVENT(qrtr_ns_server_add,
+
+ TP_PROTO(__le32 service, __le32 instance, __le32 node, __le32 port),
+
+ TP_ARGS(service, instance, node, port),
+
+ TP_STRUCT__entry(
+ __field(__le32, service)
+ __field(__le32, instance)
+ __field(__le32, node)
+ __field(__le32, port)
+ ),
+
+ TP_fast_assign(
+ __entry->service = service;
+ __entry->instance = instance;
+ __entry->node = node;
+ __entry->port = port;
+ ),
+
+ TP_printk("add server [%d:%x]@[%d:%d]",
+ __entry->service, __entry->instance, __entry->node,
+ __entry->port
+ )
+);
+
+TRACE_EVENT(qrtr_ns_message,
+
+ TP_PROTO(const char * const ctrl_pkt_str, __u32 sq_node, __u32 sq_port),
+
+ TP_ARGS(ctrl_pkt_str, sq_node, sq_port),
+
+ TP_STRUCT__entry(
+ __string(ctrl_pkt_str, ctrl_pkt_str)
+ __field(__u32, sq_node)
+ __field(__u32, sq_port)
+ ),
+
+ TP_fast_assign(
+ __assign_str(ctrl_pkt_str, ctrl_pkt_str);
+ __entry->sq_node = sq_node;
+ __entry->sq_port = sq_port;
+ ),
+
+ TP_printk("%s from %d:%d",
+ __get_str(ctrl_pkt_str), __entry->sq_node, __entry->sq_port
+ )
+);
+
+#endif /* _TRACE_QRTR_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/regulator.h b/include/trace/events/regulator.h
index b70583c32c08..72b3ba93b0a5 100644
--- a/include/trace/events/regulator.h
+++ b/include/trace/events/regulator.h
@@ -70,6 +70,38 @@ DEFINE_EVENT(regulator_basic, regulator_disable_complete,
);
+DEFINE_EVENT(regulator_basic, regulator_bypass_enable,
+
+ TP_PROTO(const char *name),
+
+ TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_bypass_enable_complete,
+
+ TP_PROTO(const char *name),
+
+ TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_bypass_disable,
+
+ TP_PROTO(const char *name),
+
+ TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_bypass_disable_complete,
+
+ TP_PROTO(const char *name),
+
+ TP_ARGS(name)
+
+);
+
/*
* Events that take a range of numerical values, mostly for voltages
* and so on.
diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
index 051f26fedc4d..132c3c778a43 100644
--- a/include/trace/events/rpcrdma.h
+++ b/include/trace/events/rpcrdma.h
@@ -692,11 +692,10 @@ TRACE_EVENT(xprtrdma_prepsend_failed,
TRACE_EVENT(xprtrdma_post_send,
TP_PROTO(
- const struct rpcrdma_req *req,
- int status
+ const struct rpcrdma_req *req
),
- TP_ARGS(req, status),
+ TP_ARGS(req),
TP_STRUCT__entry(
__field(const void *, req)
@@ -705,7 +704,6 @@ TRACE_EVENT(xprtrdma_post_send,
__field(unsigned int, client_id)
__field(int, num_sge)
__field(int, signaled)
- __field(int, status)
),
TP_fast_assign(
@@ -718,15 +716,13 @@ TRACE_EVENT(xprtrdma_post_send,
__entry->sc = req->rl_sendctx;
__entry->num_sge = req->rl_wr.num_sge;
__entry->signaled = req->rl_wr.send_flags & IB_SEND_SIGNALED;
- __entry->status = status;
),
- TP_printk("task:%u@%u req=%p sc=%p (%d SGE%s) %sstatus=%d",
+ TP_printk("task:%u@%u req=%p sc=%p (%d SGE%s) %s",
__entry->task_id, __entry->client_id,
__entry->req, __entry->sc, __entry->num_sge,
(__entry->num_sge == 1 ? "" : "s"),
- (__entry->signaled ? "signaled " : ""),
- __entry->status
+ (__entry->signaled ? "signaled" : "")
)
);
@@ -1695,17 +1691,15 @@ DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,
TRACE_EVENT(svcrdma_post_send,
TP_PROTO(
- const struct ib_send_wr *wr,
- int status
+ const struct ib_send_wr *wr
),
- TP_ARGS(wr, status),
+ TP_ARGS(wr),
TP_STRUCT__entry(
__field(const void *, cqe)
__field(unsigned int, num_sge)
__field(u32, inv_rkey)
- __field(int, status)
),
TP_fast_assign(
@@ -1713,12 +1707,11 @@ TRACE_EVENT(svcrdma_post_send,
__entry->num_sge = wr->num_sge;
__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?
wr->ex.invalidate_rkey : 0;
- __entry->status = status;
),
- TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x status=%d",
+ TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x",
__entry->cqe, __entry->num_sge,
- __entry->inv_rkey, __entry->status
+ __entry->inv_rkey
)
);
@@ -1783,26 +1776,23 @@ TRACE_EVENT(svcrdma_wc_receive,
TRACE_EVENT(svcrdma_post_rw,
TP_PROTO(
const void *cqe,
- int sqecount,
- int status
+ int sqecount
),
- TP_ARGS(cqe, sqecount, status),
+ TP_ARGS(cqe, sqecount),
TP_STRUCT__entry(
__field(const void *, cqe)
__field(int, sqecount)
- __field(int, status)
),
TP_fast_assign(
__entry->cqe = cqe;
__entry->sqecount = sqecount;
- __entry->status = status;
),
- TP_printk("cqe=%p sqecount=%d status=%d",
- __entry->cqe, __entry->sqecount, __entry->status
+ TP_printk("cqe=%p sqecount=%d",
+ __entry->cqe, __entry->sqecount
)
);
@@ -1870,6 +1860,34 @@ DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,
DEFINE_SQ_EVENT(full);
DEFINE_SQ_EVENT(retry);
+TRACE_EVENT(svcrdma_sq_post_err,
+ TP_PROTO(
+ const struct svcxprt_rdma *rdma,
+ int status
+ ),
+
+ TP_ARGS(rdma, status),
+
+ TP_STRUCT__entry(
+ __field(int, avail)
+ __field(int, depth)
+ __field(int, status)
+ __string(addr, rdma->sc_xprt.xpt_remotebuf)
+ ),
+
+ TP_fast_assign(
+ __entry->avail = atomic_read(&rdma->sc_sq_avail);
+ __entry->depth = rdma->sc_sq_depth;
+ __entry->status = status;
+ __assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
+ ),
+
+ TP_printk("addr=%s sc_sq_avail=%d/%d status=%d",
+ __get_str(addr), __entry->avail, __entry->depth,
+ __entry->status
+ )
+);
+
#endif /* _TRACE_RPCRDMA_H */
#include <trace/define_trace.h>
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 191fe447f990..ba9efdc848f9 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -1112,18 +1112,17 @@ TRACE_EVENT(rxrpc_rtt_tx,
TRACE_EVENT(rxrpc_rtt_rx,
TP_PROTO(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
- s64 rtt, u8 nr, s64 avg),
+ u32 rtt, u32 rto),
- TP_ARGS(call, why, send_serial, resp_serial, rtt, nr, avg),
+ TP_ARGS(call, why, send_serial, resp_serial, rtt, rto),
TP_STRUCT__entry(
__field(unsigned int, call )
__field(enum rxrpc_rtt_rx_trace, why )
- __field(u8, nr )
__field(rxrpc_serial_t, send_serial )
__field(rxrpc_serial_t, resp_serial )
- __field(s64, rtt )
- __field(u64, avg )
+ __field(u32, rtt )
+ __field(u32, rto )
),
TP_fast_assign(
@@ -1132,18 +1131,16 @@ TRACE_EVENT(rxrpc_rtt_rx,
__entry->send_serial = send_serial;
__entry->resp_serial = resp_serial;
__entry->rtt = rtt;
- __entry->nr = nr;
- __entry->avg = avg;
+ __entry->rto = rto;
),
- TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%lld nr=%u avg=%lld",
+ TP_printk("c=%08x %s sr=%08x rr=%08x rtt=%u rto=%u",
__entry->call,
__print_symbolic(__entry->why, rxrpc_rtt_rx_traces),
__entry->send_serial,
__entry->resp_serial,
__entry->rtt,
- __entry->nr,
- __entry->avg)
+ __entry->rto)
);
TRACE_EVENT(rxrpc_timer,
@@ -1544,6 +1541,41 @@ TRACE_EVENT(rxrpc_notify_socket,
__entry->serial)
);
+TRACE_EVENT(rxrpc_rx_discard_ack,
+ TP_PROTO(unsigned int debug_id, rxrpc_serial_t serial,
+ rxrpc_seq_t first_soft_ack, rxrpc_seq_t call_ackr_first,
+ rxrpc_seq_t prev_pkt, rxrpc_seq_t call_ackr_prev),
+
+ TP_ARGS(debug_id, serial, first_soft_ack, call_ackr_first,
+ prev_pkt, call_ackr_prev),
+
+ TP_STRUCT__entry(
+ __field(unsigned int, debug_id )
+ __field(rxrpc_serial_t, serial )
+ __field(rxrpc_seq_t, first_soft_ack)
+ __field(rxrpc_seq_t, call_ackr_first)
+ __field(rxrpc_seq_t, prev_pkt)
+ __field(rxrpc_seq_t, call_ackr_prev)
+ ),
+
+ TP_fast_assign(
+ __entry->debug_id = debug_id;
+ __entry->serial = serial;
+ __entry->first_soft_ack = first_soft_ack;
+ __entry->call_ackr_first = call_ackr_first;
+ __entry->prev_pkt = prev_pkt;
+ __entry->call_ackr_prev = call_ackr_prev;
+ ),
+
+ TP_printk("c=%08x r=%08x %08x<%08x %08x<%08x",
+ __entry->debug_id,
+ __entry->serial,
+ __entry->first_soft_ack,
+ __entry->call_ackr_first,
+ __entry->prev_pkt,
+ __entry->call_ackr_prev)
+ );
+
#endif /* _TRACE_RXRPC_H */
/* This part must be outside protection */
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 74bb594ccb25..2070df64958e 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -265,7 +265,7 @@ TRACE_EVENT(mm_shrink_slab_end,
);
TRACE_EVENT(mm_vmscan_lru_isolate,
- TP_PROTO(int classzone_idx,
+ TP_PROTO(int highest_zoneidx,
int order,
unsigned long nr_requested,
unsigned long nr_scanned,
@@ -274,10 +274,10 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
isolate_mode_t isolate_mode,
int lru),
- TP_ARGS(classzone_idx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
+ TP_ARGS(highest_zoneidx, order, nr_requested, nr_scanned, nr_skipped, nr_taken, isolate_mode, lru),
TP_STRUCT__entry(
- __field(int, classzone_idx)
+ __field(int, highest_zoneidx)
__field(int, order)
__field(unsigned long, nr_requested)
__field(unsigned long, nr_scanned)
@@ -288,7 +288,7 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
),
TP_fast_assign(
- __entry->classzone_idx = classzone_idx;
+ __entry->highest_zoneidx = highest_zoneidx;
__entry->order = order;
__entry->nr_requested = nr_requested;
__entry->nr_scanned = nr_scanned;
@@ -298,9 +298,13 @@ TRACE_EVENT(mm_vmscan_lru_isolate,
__entry->lru = lru;
),
+ /*
+ * classzone is previous name of the highest_zoneidx.
+ * Reason not to change it is the ABI requirement of the tracepoint.
+ */
TP_printk("isolate_mode=%d classzone=%d order=%d nr_requested=%lu nr_scanned=%lu nr_skipped=%lu nr_taken=%lu lru=%s",
__entry->isolate_mode,
- __entry->classzone_idx,
+ __entry->highest_zoneidx,
__entry->order,
__entry->nr_requested,
__entry->nr_scanned,
diff --git a/include/trace/events/wbt.h b/include/trace/events/wbt.h
index 784814160197..9c66e59d859c 100644
--- a/include/trace/events/wbt.h
+++ b/include/trace/events/wbt.h
@@ -33,7 +33,7 @@ TRACE_EVENT(wbt_stat,
),
TP_fast_assign(
- strlcpy(__entry->name, dev_name(bdi->dev),
+ strlcpy(__entry->name, bdi_dev_name(bdi),
ARRAY_SIZE(__entry->name));
__entry->rmean = stat[0].mean;
__entry->rmin = stat[0].min;
@@ -68,7 +68,7 @@ TRACE_EVENT(wbt_lat,
),
TP_fast_assign(
- strlcpy(__entry->name, dev_name(bdi->dev),
+ strlcpy(__entry->name, bdi_dev_name(bdi),
ARRAY_SIZE(__entry->name));
__entry->lat = div_u64(lat, 1000);
),
@@ -105,7 +105,7 @@ TRACE_EVENT(wbt_step,
),
TP_fast_assign(
- strlcpy(__entry->name, dev_name(bdi->dev),
+ strlcpy(__entry->name, bdi_dev_name(bdi),
ARRAY_SIZE(__entry->name));
__entry->msg = msg;
__entry->step = step;
@@ -141,7 +141,7 @@ TRACE_EVENT(wbt_timer,
),
TP_fast_assign(
- strlcpy(__entry->name, dev_name(bdi->dev),
+ strlcpy(__entry->name, bdi_dev_name(bdi),
ARRAY_SIZE(__entry->name));
__entry->status = status;
__entry->step = step;
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index d94def25e4dc..10f5d1fa7347 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -36,7 +36,6 @@
EM( WB_REASON_SYNC, "sync") \
EM( WB_REASON_PERIODIC, "periodic") \
EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
- EM( WB_REASON_FREE_MORE_MEM, "free_more_memory") \
EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
EMe(WB_REASON_FORKER_THREAD, "forker_thread")
@@ -542,7 +541,6 @@ TRACE_EVENT(global_dirty_state,
TP_STRUCT__entry(
__field(unsigned long, nr_dirty)
__field(unsigned long, nr_writeback)
- __field(unsigned long, nr_unstable)
__field(unsigned long, background_thresh)
__field(unsigned long, dirty_thresh)
__field(unsigned long, dirty_limit)
@@ -553,7 +551,6 @@ TRACE_EVENT(global_dirty_state,
TP_fast_assign(
__entry->nr_dirty = global_node_page_state(NR_FILE_DIRTY);
__entry->nr_writeback = global_node_page_state(NR_WRITEBACK);
- __entry->nr_unstable = global_node_page_state(NR_UNSTABLE_NFS);
__entry->nr_dirtied = global_node_page_state(NR_DIRTIED);
__entry->nr_written = global_node_page_state(NR_WRITTEN);
__entry->background_thresh = background_thresh;
@@ -561,12 +558,11 @@ TRACE_EVENT(global_dirty_state,
__entry->dirty_limit = global_wb_domain.dirty_limit;
),
- TP_printk("dirty=%lu writeback=%lu unstable=%lu "
+ TP_printk("dirty=%lu writeback=%lu "
"bg_thresh=%lu thresh=%lu limit=%lu "
"dirtied=%lu written=%lu",
__entry->nr_dirty,
__entry->nr_writeback,
- __entry->nr_unstable,
__entry->background_thresh,
__entry->dirty_thresh,
__entry->dirty_limit,
diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h
index b95d65e8c628..b73d3e141323 100644
--- a/include/trace/events/xdp.h
+++ b/include/trace/events/xdp.h
@@ -287,7 +287,7 @@ TRACE_EVENT(xdp_devmap_xmit,
FN(PAGE_SHARED) \
FN(PAGE_ORDER0) \
FN(PAGE_POOL) \
- FN(ZERO_COPY)
+ FN(XSK_BUFF_POOL)
#define __MEM_TYPE_TP_FN(x) \
TRACE_DEFINE_ENUM(MEM_TYPE_##x);
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 3a3201e4618e..f4a01305d9a6 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -855,9 +855,11 @@ __SYSCALL(__NR_clone3, sys_clone3)
__SYSCALL(__NR_openat2, sys_openat2)
#define __NR_pidfd_getfd 438
__SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd)
+#define __NR_faccessat2 439
+__SYSCALL(__NR_faccessat2, sys_faccessat2)
#undef __NR_syscalls
-#define __NR_syscalls 439
+#define __NR_syscalls 440
/*
* 32 bit systems traditionally used different
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 65f69723cbdc..4e873dcbe68f 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -133,6 +133,11 @@ extern "C" {
* releasing the memory
*/
#define AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE (1 << 9)
+/* Flag that BO will be encrypted and that the TMZ bit should be
+ * set in the PTEs when mapping this buffer via GPUVM or
+ * accessing it with various hw blocks
+ */
+#define AMDGPU_GEM_CREATE_ENCRYPTED (1 << 10)
struct drm_amdgpu_gem_create_in {
/** the requested memory size */
@@ -346,6 +351,10 @@ struct drm_amdgpu_gem_userptr {
#define AMDGPU_TILING_DCC_PITCH_MAX_MASK 0x3FFF
#define AMDGPU_TILING_DCC_INDEPENDENT_64B_SHIFT 43
#define AMDGPU_TILING_DCC_INDEPENDENT_64B_MASK 0x1
+#define AMDGPU_TILING_DCC_INDEPENDENT_128B_SHIFT 44
+#define AMDGPU_TILING_DCC_INDEPENDENT_128B_MASK 0x1
+#define AMDGPU_TILING_SCANOUT_SHIFT 63
+#define AMDGPU_TILING_SCANOUT_MASK 0x1
/* Set/Get helpers for tiling flags. */
#define AMDGPU_TILING_SET(field, value) \
@@ -555,7 +564,7 @@ struct drm_amdgpu_cs_in {
/** Handle of resource list associated with CS */
__u32 bo_list_handle;
__u32 num_chunks;
- __u32 _pad;
+ __u32 flags;
/** this points to __u64 * which point to cs chunks */
__u64 chunks;
};
@@ -589,6 +598,14 @@ union drm_amdgpu_cs {
*/
#define AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID (1 << 4)
+/* Flag the IB as secure (TMZ)
+ */
+#define AMDGPU_IB_FLAGS_SECURE (1 << 5)
+
+/* Tell KMD to flush and invalidate caches
+ */
+#define AMDGPU_IB_FLAG_EMIT_MEM_SYNC (1 << 6)
+
struct drm_amdgpu_cs_chunk_ib {
__u32 _pad;
/** AMDGPU_IB_FLAG_* */
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index 8bc0b31597d8..490143500a50 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -354,9 +354,12 @@ extern "C" {
* a platform-dependent stride. On top of that the memory can apply
* platform-depending swizzling of some higher address bits into bit6.
*
- * This format is highly platforms specific and not useful for cross-driver
- * sharing. It exists since on a given platform it does uniquely identify the
- * layout in a simple way for i915-specific userspace.
+ * Note that this layout is only accurate on intel gen 8+ or valleyview chipsets.
+ * On earlier platforms the is highly platforms specific and not useful for
+ * cross-driver sharing. It exists since on a given platform it does uniquely
+ * identify the layout in a simple way for i915-specific userspace, which
+ * facilitated conversion of userspace to modifiers. Additionally the exact
+ * format on some really old platforms is not known.
*/
#define I915_FORMAT_MOD_X_TILED fourcc_mod_code(INTEL, 1)
@@ -369,9 +372,12 @@ extern "C" {
* memory can apply platform-depending swizzling of some higher address bits
* into bit6.
*
- * This format is highly platforms specific and not useful for cross-driver
- * sharing. It exists since on a given platform it does uniquely identify the
- * layout in a simple way for i915-specific userspace.
+ * Note that this layout is only accurate on intel gen 8+ or valleyview chipsets.
+ * On earlier platforms the is highly platforms specific and not useful for
+ * cross-driver sharing. It exists since on a given platform it does uniquely
+ * identify the layout in a simple way for i915-specific userspace, which
+ * facilitated conversion of userspace to modifiers. Additionally the exact
+ * format on some really old platforms is not known.
*/
#define I915_FORMAT_MOD_Y_TILED fourcc_mod_code(INTEL, 2)
@@ -521,7 +527,113 @@ extern "C" {
#define DRM_FORMAT_MOD_NVIDIA_TEGRA_TILED fourcc_mod_code(NVIDIA, 1)
/*
- * 16Bx2 Block Linear layout, used by desktop GPUs, and Tegra K1 and later
+ * Generalized Block Linear layout, used by desktop GPUs starting with NV50/G80,
+ * and Tegra GPUs starting with Tegra K1.
+ *
+ * Pixels are arranged in Groups of Bytes (GOBs). GOB size and layout varies
+ * based on the architecture generation. GOBs themselves are then arranged in
+ * 3D blocks, with the block dimensions (in terms of GOBs) always being a power
+ * of two, and hence expressible as their log2 equivalent (E.g., "2" represents
+ * a block depth or height of "4").
+ *
+ * Chapter 20 "Pixel Memory Formats" of the Tegra X1 TRM describes this format
+ * in full detail.
+ *
+ * Macro
+ * Bits Param Description
+ * ---- ----- -----------------------------------------------------------------
+ *
+ * 3:0 h log2(height) of each block, in GOBs. Placed here for
+ * compatibility with the existing
+ * DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK()-based modifiers.
+ *
+ * 4:4 - Must be 1, to indicate block-linear layout. Necessary for
+ * compatibility with the existing
+ * DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK()-based modifiers.
+ *
+ * 8:5 - Reserved (To support 3D-surfaces with variable log2(depth) block
+ * size). Must be zero.
+ *
+ * Note there is no log2(width) parameter. Some portions of the
+ * hardware support a block width of two gobs, but it is impractical
+ * to use due to lack of support elsewhere, and has no known
+ * benefits.
+ *
+ * 11:9 - Reserved (To support 2D-array textures with variable array stride
+ * in blocks, specified via log2(tile width in blocks)). Must be
+ * zero.
+ *
+ * 19:12 k Page Kind. This value directly maps to a field in the page
+ * tables of all GPUs >= NV50. It affects the exact layout of bits
+ * in memory and can be derived from the tuple
+ *
+ * (format, GPU model, compression type, samples per pixel)
+ *
+ * Where compression type is defined below. If GPU model were
+ * implied by the format modifier, format, or memory buffer, page
+ * kind would not need to be included in the modifier itself, but
+ * since the modifier should define the layout of the associated
+ * memory buffer independent from any device or other context, it
+ * must be included here.
+ *
+ * 21:20 g GOB Height and Page Kind Generation. The height of a GOB changed
+ * starting with Fermi GPUs. Additionally, the mapping between page
+ * kind and bit layout has changed at various points.
+ *
+ * 0 = Gob Height 8, Fermi - Volta, Tegra K1+ Page Kind mapping
+ * 1 = Gob Height 4, G80 - GT2XX Page Kind mapping
+ * 2 = Gob Height 8, Turing+ Page Kind mapping
+ * 3 = Reserved for future use.
+ *
+ * 22:22 s Sector layout. On Tegra GPUs prior to Xavier, there is a further
+ * bit remapping step that occurs at an even lower level than the
+ * page kind and block linear swizzles. This causes the layout of
+ * surfaces mapped in those SOC's GPUs to be incompatible with the
+ * equivalent mapping on other GPUs in the same system.
+ *
+ * 0 = Tegra K1 - Tegra Parker/TX2 Layout.
+ * 1 = Desktop GPU and Tegra Xavier+ Layout
+ *
+ * 25:23 c Lossless Framebuffer Compression type.
+ *
+ * 0 = none
+ * 1 = ROP/3D, layout 1, exact compression format implied by Page
+ * Kind field
+ * 2 = ROP/3D, layout 2, exact compression format implied by Page
+ * Kind field
+ * 3 = CDE horizontal
+ * 4 = CDE vertical
+ * 5 = Reserved for future use
+ * 6 = Reserved for future use
+ * 7 = Reserved for future use
+ *
+ * 55:25 - Reserved for future use. Must be zero.
+ */
+#define DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(c, s, g, k, h) \
+ fourcc_mod_code(NVIDIA, (0x10 | \
+ ((h) & 0xf) | \
+ (((k) & 0xff) << 12) | \
+ (((g) & 0x3) << 20) | \
+ (((s) & 0x1) << 22) | \
+ (((c) & 0x7) << 23)))
+
+/* To grandfather in prior block linear format modifiers to the above layout,
+ * the page kind "0", which corresponds to "pitch/linear" and hence is unusable
+ * with block-linear layouts, is remapped within drivers to the value 0xfe,
+ * which corresponds to the "generic" kind used for simple single-sample
+ * uncompressed color formats on Fermi - Volta GPUs.
+ */
+static inline __u64
+drm_fourcc_canonicalize_nvidia_format_mod(__u64 modifier)
+{
+ if (!(modifier & 0x10) || (modifier & (0xff << 12)))
+ return modifier;
+ else
+ return modifier | (0xfe << 12);
+}
+
+/*
+ * 16Bx2 Block Linear layout, used by Tegra K1 and later
*
* Pixels are arranged in 64x8 Groups Of Bytes (GOBs). GOBs are then stacked
* vertically by a power of 2 (1 to 32 GOBs) to form a block.
@@ -542,20 +654,20 @@ extern "C" {
* in full detail.
*/
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(v) \
- fourcc_mod_code(NVIDIA, 0x10 | ((v) & 0xf))
+ DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D(0, 0, 0, 0, (v))
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_ONE_GOB \
- fourcc_mod_code(NVIDIA, 0x10)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(0)
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_TWO_GOB \
- fourcc_mod_code(NVIDIA, 0x11)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(1)
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_FOUR_GOB \
- fourcc_mod_code(NVIDIA, 0x12)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(2)
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_EIGHT_GOB \
- fourcc_mod_code(NVIDIA, 0x13)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(3)
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_SIXTEEN_GOB \
- fourcc_mod_code(NVIDIA, 0x14)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(4)
#define DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK_THIRTYTWO_GOB \
- fourcc_mod_code(NVIDIA, 0x15)
+ DRM_FORMAT_MOD_NVIDIA_16BX2_BLOCK(5)
/*
* Some Broadcom modifiers take parameters, for example the number of
diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h
index 2813e579b480..14b67cd6b54b 100644
--- a/include/uapi/drm/i915_drm.h
+++ b/include/uapi/drm/i915_drm.h
@@ -1969,6 +1969,30 @@ enum drm_i915_perf_property_id {
*/
DRM_I915_PERF_PROP_HOLD_PREEMPTION,
+ /**
+ * Specifying this pins all contexts to the specified SSEU power
+ * configuration for the duration of the recording.
+ *
+ * This parameter's value is a pointer to a struct
+ * drm_i915_gem_context_param_sseu.
+ *
+ * This property is available in perf revision 4.
+ */
+ DRM_I915_PERF_PROP_GLOBAL_SSEU,
+
+ /**
+ * This optional parameter specifies the timer interval in nanoseconds
+ * at which the i915 driver will check the OA buffer for available data.
+ * Minimum allowed value is 100 microseconds. A default value is used by
+ * the driver if this parameter is not specified. Note that larger timer
+ * values will reduce cpu consumption during OA perf captures. However,
+ * excessively large values would potentially result in OA buffer
+ * overwrites as captures reach end of the OA buffer.
+ *
+ * This property is available in perf revision 5.
+ */
+ DRM_I915_PERF_PROP_POLL_OA_PERIOD,
+
DRM_I915_PERF_PROP_MAX /* non-ABI */
};
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index a534d71e689a..9b6a973f4cc3 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -117,6 +117,7 @@
#define AUDIT_TIME_INJOFFSET 1332 /* Timekeeping offset injected */
#define AUDIT_TIME_ADJNTPVAL 1333 /* NTP value adjustment */
#define AUDIT_BPF 1334 /* BPF subsystem */
+#define AUDIT_EVENT_LISTENER 1335 /* Task joined multicast read socket */
#define AUDIT_AVC 1400 /* SE Linux avc denial or grant */
#define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 2e29a671d67e..c65b374a5090 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -73,7 +73,7 @@ struct bpf_insn {
/* Key of an a BPF_MAP_TYPE_LPM_TRIE entry */
struct bpf_lpm_trie_key {
__u32 prefixlen; /* up to 32 for AF_INET, 128 for AF_INET6 */
- __u8 data[]; /* Arbitrary size */
+ __u8 data[0]; /* Arbitrary size */
};
struct bpf_cgroup_storage_key {
@@ -113,6 +113,10 @@ enum bpf_cmd {
BPF_MAP_DELETE_BATCH,
BPF_LINK_CREATE,
BPF_LINK_UPDATE,
+ BPF_LINK_GET_FD_BY_ID,
+ BPF_LINK_GET_NEXT_ID,
+ BPF_ENABLE_STATS,
+ BPF_ITER_CREATE,
};
enum bpf_map_type {
@@ -143,6 +147,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_SK_STORAGE,
BPF_MAP_TYPE_DEVMAP_HASH,
BPF_MAP_TYPE_STRUCT_OPS,
+ BPF_MAP_TYPE_RINGBUF,
};
/* Note that tracing related programs such as
@@ -215,11 +220,28 @@ enum bpf_attach_type {
BPF_TRACE_FEXIT,
BPF_MODIFY_RETURN,
BPF_LSM_MAC,
+ BPF_TRACE_ITER,
+ BPF_CGROUP_INET4_GETPEERNAME,
+ BPF_CGROUP_INET6_GETPEERNAME,
+ BPF_CGROUP_INET4_GETSOCKNAME,
+ BPF_CGROUP_INET6_GETSOCKNAME,
+ BPF_XDP_DEVMAP,
__MAX_BPF_ATTACH_TYPE
};
#define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
+enum bpf_link_type {
+ BPF_LINK_TYPE_UNSPEC = 0,
+ BPF_LINK_TYPE_RAW_TRACEPOINT = 1,
+ BPF_LINK_TYPE_TRACING = 2,
+ BPF_LINK_TYPE_CGROUP = 3,
+ BPF_LINK_TYPE_ITER = 4,
+ BPF_LINK_TYPE_NETNS = 5,
+
+ MAX_BPF_LINK_TYPE,
+};
+
/* cgroup-bpf attach flags used in BPF_PROG_ATTACH command
*
* NONE(default): No further bpf programs allowed in the subtree.
@@ -379,6 +401,12 @@ enum {
*/
#define BPF_F_QUERY_EFFECTIVE (1U << 0)
+/* type for BPF_ENABLE_STATS */
+enum bpf_stats_type {
+ /* enabled run_time_ns and run_cnt */
+ BPF_STATS_RUN_TIME = 0,
+};
+
enum bpf_stack_build_id_status {
/* user space need an empty entry to identify end of a trace */
BPF_STACK_BUILD_ID_EMPTY = 0,
@@ -523,6 +551,7 @@ union bpf_attr {
__u32 prog_id;
__u32 map_id;
__u32 btf_id;
+ __u32 link_id;
};
__u32 next_id;
__u32 open_flags;
@@ -589,6 +618,15 @@ union bpf_attr {
__u32 old_prog_fd;
} link_update;
+ struct { /* struct used by BPF_ENABLE_STATS command */
+ __u32 type;
+ } enable_stats;
+
+ struct { /* struct used by BPF_ITER_CREATE command */
+ __u32 link_fd;
+ __u32 flags;
+ } iter_create;
+
} __attribute__((aligned(8)));
/* The description below is an attempt at providing documentation to eBPF
@@ -644,14 +682,16 @@ union bpf_attr {
* For tracing programs, safely attempt to read *size* bytes from
* kernel space address *unsafe_ptr* and store the data in *dst*.
*
- * Generally, use bpf_probe_read_user() or bpf_probe_read_kernel()
- * instead.
+ * Generally, use **bpf_probe_read_user**\ () or
+ * **bpf_probe_read_kernel**\ () instead.
* Return
* 0 on success, or a negative error in case of failure.
*
* u64 bpf_ktime_get_ns(void)
* Description
* Return the time elapsed since system boot, in nanoseconds.
+ * Does not include time the system was suspended.
+ * See: **clock_gettime**\ (**CLOCK_MONOTONIC**)
* Return
* Current *ktime*.
*
@@ -1510,11 +1550,11 @@ union bpf_attr {
* int bpf_probe_read_str(void *dst, u32 size, const void *unsafe_ptr)
* Description
* Copy a NUL terminated string from an unsafe kernel address
- * *unsafe_ptr* to *dst*. See bpf_probe_read_kernel_str() for
+ * *unsafe_ptr* to *dst*. See **bpf_probe_read_kernel_str**\ () for
* more details.
*
- * Generally, use bpf_probe_read_user_str() or bpf_probe_read_kernel_str()
- * instead.
+ * Generally, use **bpf_probe_read_user_str**\ () or
+ * **bpf_probe_read_kernel_str**\ () instead.
* Return
* On success, the strictly positive length of the string,
* including the trailing NUL character. On error, a negative
@@ -1542,7 +1582,7 @@ union bpf_attr {
*
* u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx)
* Description
- * Equivalent to bpf_get_socket_cookie() helper that accepts
+ * Equivalent to **bpf_get_socket_cookie**\ () helper that accepts
* *skb*, but gets socket from **struct bpf_sock_ops** context.
* Return
* A 8-byte long non-decreasing number.
@@ -1562,7 +1602,7 @@ union bpf_attr {
* Return
* 0
*
- * int bpf_setsockopt(struct bpf_sock_ops *bpf_socket, int level, int optname, void *optval, int optlen)
+ * int bpf_setsockopt(void *bpf_socket, int level, int optname, void *optval, int optlen)
* Description
* Emulate a call to **setsockopt()** on the socket associated to
* *bpf_socket*, which must be a full socket. The *level* at
@@ -1570,6 +1610,12 @@ union bpf_attr {
* must be specified, see **setsockopt(2)** for more information.
* The option value of length *optlen* is pointed by *optval*.
*
+ * *bpf_socket* should be one of the following:
+ *
+ * * **struct bpf_sock_ops** for **BPF_PROG_TYPE_SOCK_OPS**.
+ * * **struct bpf_sock_addr** for **BPF_CGROUP_INET4_CONNECT**
+ * and **BPF_CGROUP_INET6_CONNECT**.
+ *
* This helper actually implements a subset of **setsockopt()**.
* It supports the following *level*\ s:
*
@@ -1589,6 +1635,13 @@ union bpf_attr {
* Grow or shrink the room for data in the packet associated to
* *skb* by *len_diff*, and according to the selected *mode*.
*
+ * By default, the helper will reset any offloaded checksum
+ * indicator of the skb to CHECKSUM_NONE. This can be avoided
+ * by the following flag:
+ *
+ * * **BPF_F_ADJ_ROOM_NO_CSUM_RESET**: Do not reset offloaded
+ * checksum data of the skb to CHECKSUM_NONE.
+ *
* There are two supported modes at this time:
*
* * **BPF_ADJ_ROOM_MAC**: Adjust room at the mac layer
@@ -1634,15 +1687,15 @@ union bpf_attr {
*
* The lower two bits of *flags* are used as the return code if
* the map lookup fails. This is so that the return value can be
- * one of the XDP program return codes up to XDP_TX, as chosen by
- * the caller. Any higher bits in the *flags* argument must be
+ * one of the XDP program return codes up to **XDP_TX**, as chosen
+ * by the caller. Any higher bits in the *flags* argument must be
* unset.
*
- * See also bpf_redirect(), which only supports redirecting to an
- * ifindex, but doesn't require a map to do so.
+ * See also **bpf_redirect**\ (), which only supports redirecting
+ * to an ifindex, but doesn't require a map to do so.
* Return
* **XDP_REDIRECT** on success, or the value of the two lower bits
- * of the **flags* argument on error.
+ * of the *flags* argument on error.
*
* int bpf_sk_redirect_map(struct sk_buff *skb, struct bpf_map *map, u32 key, u64 flags)
* Description
@@ -1747,7 +1800,7 @@ union bpf_attr {
* the time running for event since last normalization. The
* enabled and running times are accumulated since the perf event
* open. To achieve scaling factor between two invocations of an
- * eBPF program, users can can use CPU id as the key (which is
+ * eBPF program, users can use CPU id as the key (which is
* typical for perf array usage model) to remember the previous
* value and do the calculation inside the eBPF program.
* Return
@@ -1764,7 +1817,7 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
- * int bpf_getsockopt(struct bpf_sock_ops *bpf_socket, int level, int optname, void *optval, int optlen)
+ * int bpf_getsockopt(void *bpf_socket, int level, int optname, void *optval, int optlen)
* Description
* Emulate a call to **getsockopt()** on the socket associated to
* *bpf_socket*, which must be a full socket. The *level* at
@@ -1773,6 +1826,12 @@ union bpf_attr {
* The retrieved value is stored in the structure pointed by
* *opval* and of length *optlen*.
*
+ * *bpf_socket* should be one of the following:
+ *
+ * * **struct bpf_sock_ops** for **BPF_PROG_TYPE_SOCK_OPS**.
+ * * **struct bpf_sock_addr** for **BPF_CGROUP_INET4_CONNECT**
+ * and **BPF_CGROUP_INET6_CONNECT**.
+ *
* This helper actually implements a subset of **getsockopt()**.
* It supports the following *level*\ s:
*
@@ -1790,7 +1849,7 @@ union bpf_attr {
* The first argument is the context *regs* on which the kprobe
* works.
*
- * This helper works by setting setting the PC (program counter)
+ * This helper works by setting the PC (program counter)
* to an override function which is run in place of the original
* probed function. This means the probed function is not run at
* all. The replacement function just returns with the required
@@ -1959,18 +2018,19 @@ union bpf_attr {
*
* This helper works for IPv4 and IPv6, TCP and UDP sockets. The
* domain (*addr*\ **->sa_family**) must be **AF_INET** (or
- * **AF_INET6**). Looking for a free port to bind to can be
- * expensive, therefore binding to port is not permitted by the
- * helper: *addr*\ **->sin_port** (or **sin6_port**, respectively)
- * must be set to zero.
+ * **AF_INET6**). It's advised to pass zero port (**sin_port**
+ * or **sin6_port**) which triggers IP_BIND_ADDRESS_NO_PORT-like
+ * behavior and lets the kernel efficiently pick up an unused
+ * port as long as 4-tuple is unique. Passing non-zero port might
+ * lead to degraded performance.
* Return
* 0 on success, or a negative error in case of failure.
*
* int bpf_xdp_adjust_tail(struct xdp_buff *xdp_md, int delta)
* Description
* Adjust (move) *xdp_md*\ **->data_end** by *delta* bytes. It is
- * only possible to shrink the packet as of this writing,
- * therefore *delta* must be a negative integer.
+ * possible to both shrink and grow the packet tail.
+ * Shrink done via *delta* being a negative integer.
*
* A call to this helper is susceptible to change the underlying
* packet buffer. Therefore, at load time, all checks on pointers
@@ -2256,7 +2316,7 @@ union bpf_attr {
* **bpf_rc_keydown**\ () again with the same values, or calling
* **bpf_rc_repeat**\ ().
*
- * Some protocols include a toggle bit, in case the button was
+ * Some protocols include a toggle bit, in case the button was
* released and pressed again between consecutive scancodes.
*
* The *ctx* should point to the lirc sample as passed into
@@ -2602,7 +2662,6 @@ union bpf_attr {
*
* *th* points to the start of the TCP header, while *th_len*
* contains **sizeof**\ (**struct tcphdr**).
- *
* Return
* 0 if *iph* and *th* are a valid SYN cookie ACK, or a negative
* error otherwise.
@@ -2785,7 +2844,6 @@ union bpf_attr {
*
* *th* points to the start of the TCP header, while *th_len*
* contains the length of the TCP header.
- *
* Return
* On success, lower 32 bits hold the generated SYN cookie in
* followed by 16 bits which hold the MSS value for that cookie,
@@ -2868,7 +2926,7 @@ union bpf_attr {
* // size, after checking its boundaries.
* }
*
- * In comparison, using **bpf_probe_read_user()** helper here
+ * In comparison, using **bpf_probe_read_user**\ () helper here
* instead to read the string would require to estimate the length
* at compile time, and would often result in copying more memory
* than necessary.
@@ -2886,14 +2944,14 @@ union bpf_attr {
* int bpf_probe_read_kernel_str(void *dst, u32 size, const void *unsafe_ptr)
* Description
* Copy a NUL terminated string from an unsafe kernel address *unsafe_ptr*
- * to *dst*. Same semantics as with bpf_probe_read_user_str() apply.
+ * to *dst*. Same semantics as with **bpf_probe_read_user_str**\ () apply.
* Return
- * On success, the strictly positive length of the string, including
+ * On success, the strictly positive length of the string, including
* the trailing NUL character. On error, a negative value.
*
* int bpf_tcp_send_ack(void *tp, u32 rcv_nxt)
* Description
- * Send out a tcp-ack. *tp* is the in-kernel struct tcp_sock.
+ * Send out a tcp-ack. *tp* is the in-kernel struct **tcp_sock**.
* *rcv_nxt* is the ack_seq to be sent out.
* Return
* 0 on success, or a negative error in case of failure.
@@ -2921,19 +2979,19 @@ union bpf_attr {
* int bpf_read_branch_records(struct bpf_perf_event_data *ctx, void *buf, u32 size, u64 flags)
* Description
* For an eBPF program attached to a perf event, retrieve the
- * branch records (struct perf_branch_entry) associated to *ctx*
- * and store it in the buffer pointed by *buf* up to size
+ * branch records (**struct perf_branch_entry**) associated to *ctx*
+ * and store it in the buffer pointed by *buf* up to size
* *size* bytes.
* Return
* On success, number of bytes written to *buf*. On error, a
* negative value.
*
* The *flags* can be set to **BPF_F_GET_BRANCH_RECORDS_SIZE** to
- * instead return the number of bytes required to store all the
+ * instead return the number of bytes required to store all the
* branch entries. If this flag is set, *buf* may be NULL.
*
* **-EINVAL** if arguments invalid or **size** not a multiple
- * of sizeof(struct perf_branch_entry).
+ * of **sizeof**\ (**struct perf_branch_entry**\ ).
*
* **-ENOENT** if architecture does not support branch records.
*
@@ -2941,8 +2999,8 @@ union bpf_attr {
* Description
* Returns 0 on success, values for *pid* and *tgid* as seen from the current
* *namespace* will be returned in *nsdata*.
- *
- * On failure, the returned value is one of the following:
+ * Return
+ * 0 on success, or one of the following in case of failure:
*
* **-EINVAL** if dev and inum supplied don't match dev_t and inode number
* with nsfs of current task, or if dev conversion to dev_t lost high bits.
@@ -2981,8 +3039,8 @@ union bpf_attr {
* a global identifier that can be assumed unique. If *ctx* is
* NULL, then the helper returns the cookie for the initial
* network namespace. The cookie itself is very similar to that
- * of bpf_get_socket_cookie() helper, but for network namespaces
- * instead of sockets.
+ * of **bpf_get_socket_cookie**\ () helper, but for network
+ * namespaces instead of sockets.
* Return
* A 8-byte long opaque number.
*
@@ -3017,14 +3075,183 @@ union bpf_attr {
*
* The *flags* argument must be zero.
* Return
- * 0 on success, or a negative errno in case of failure.
- *
- * * **-EINVAL** Unsupported flags specified.
- * * **-ENOENT** Socket is unavailable for assignment.
- * * **-ENETUNREACH** Socket is unreachable (wrong netns).
- * * **-EOPNOTSUPP** Unsupported operation, for example a
- * call from outside of TC ingress.
- * * **-ESOCKTNOSUPPORT** Socket type not supported (reuseport).
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EINVAL** if specified *flags* are not supported.
+ *
+ * **-ENOENT** if the socket is unavailable for assignment.
+ *
+ * **-ENETUNREACH** if the socket is unreachable (wrong netns).
+ *
+ * **-EOPNOTSUPP** if the operation is not supported, for example
+ * a call from outside of TC ingress.
+ *
+ * **-ESOCKTNOSUPPORT** if the socket type is not supported
+ * (reuseport).
+ *
+ * u64 bpf_ktime_get_boot_ns(void)
+ * Description
+ * Return the time elapsed since system boot, in nanoseconds.
+ * Does include the time the system was suspended.
+ * See: **clock_gettime**\ (**CLOCK_BOOTTIME**)
+ * Return
+ * Current *ktime*.
+ *
+ * int bpf_seq_printf(struct seq_file *m, const char *fmt, u32 fmt_size, const void *data, u32 data_len)
+ * Description
+ * **bpf_seq_printf**\ () uses seq_file **seq_printf**\ () to print
+ * out the format string.
+ * The *m* represents the seq_file. The *fmt* and *fmt_size* are for
+ * the format string itself. The *data* and *data_len* are format string
+ * arguments. The *data* are a **u64** array and corresponding format string
+ * values are stored in the array. For strings and pointers where pointees
+ * are accessed, only the pointer values are stored in the *data* array.
+ * The *data_len* is the size of *data* in bytes.
+ *
+ * Formats **%s**, **%p{i,I}{4,6}** requires to read kernel memory.
+ * Reading kernel memory may fail due to either invalid address or
+ * valid address but requiring a major memory fault. If reading kernel memory
+ * fails, the string for **%s** will be an empty string, and the ip
+ * address for **%p{i,I}{4,6}** will be 0. Not returning error to
+ * bpf program is consistent with what **bpf_trace_printk**\ () does for now.
+ * Return
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EBUSY** if per-CPU memory copy buffer is busy, can try again
+ * by returning 1 from bpf program.
+ *
+ * **-EINVAL** if arguments are invalid, or if *fmt* is invalid/unsupported.
+ *
+ * **-E2BIG** if *fmt* contains too many format specifiers.
+ *
+ * **-EOVERFLOW** if an overflow happened: The same object will be tried again.
+ *
+ * int bpf_seq_write(struct seq_file *m, const void *data, u32 len)
+ * Description
+ * **bpf_seq_write**\ () uses seq_file **seq_write**\ () to write the data.
+ * The *m* represents the seq_file. The *data* and *len* represent the
+ * data to write in bytes.
+ * Return
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EOVERFLOW** if an overflow happened: The same object will be tried again.
+ *
+ * u64 bpf_sk_cgroup_id(struct bpf_sock *sk)
+ * Description
+ * Return the cgroup v2 id of the socket *sk*.
+ *
+ * *sk* must be a non-**NULL** pointer to a full socket, e.g. one
+ * returned from **bpf_sk_lookup_xxx**\ (),
+ * **bpf_sk_fullsock**\ (), etc. The format of returned id is
+ * same as in **bpf_skb_cgroup_id**\ ().
+ *
+ * This helper is available only if the kernel was compiled with
+ * the **CONFIG_SOCK_CGROUP_DATA** configuration option.
+ * Return
+ * The id is returned or 0 in case the id could not be retrieved.
+ *
+ * u64 bpf_sk_ancestor_cgroup_id(struct bpf_sock *sk, int ancestor_level)
+ * Description
+ * Return id of cgroup v2 that is ancestor of cgroup associated
+ * with the *sk* at the *ancestor_level*. The root cgroup is at
+ * *ancestor_level* zero and each step down the hierarchy
+ * increments the level. If *ancestor_level* == level of cgroup
+ * associated with *sk*, then return value will be same as that
+ * of **bpf_sk_cgroup_id**\ ().
+ *
+ * The helper is useful to implement policies based on cgroups
+ * that are upper in hierarchy than immediate cgroup associated
+ * with *sk*.
+ *
+ * The format of returned id and helper limitations are same as in
+ * **bpf_sk_cgroup_id**\ ().
+ * Return
+ * The id is returned or 0 in case the id could not be retrieved.
+ *
+ * void *bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags)
+ * Description
+ * Copy *size* bytes from *data* into a ring buffer *ringbuf*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * 0, on success;
+ * < 0, on error.
+ *
+ * void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags)
+ * Description
+ * Reserve *size* bytes of payload in a ring buffer *ringbuf*.
+ * Return
+ * Valid pointer with *size* bytes of memory available; NULL,
+ * otherwise.
+ *
+ * void bpf_ringbuf_submit(void *data, u64 flags)
+ * Description
+ * Submit reserved ring buffer sample, pointed to by *data*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * Nothing. Always succeeds.
+ *
+ * void bpf_ringbuf_discard(void *data, u64 flags)
+ * Description
+ * Discard reserved ring buffer sample, pointed to by *data*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * Nothing. Always succeeds.
+ *
+ * u64 bpf_ringbuf_query(void *ringbuf, u64 flags)
+ * Description
+ * Query various characteristics of provided ring buffer. What
+ * exactly is queries is determined by *flags*:
+ * - BPF_RB_AVAIL_DATA - amount of data not yet consumed;
+ * - BPF_RB_RING_SIZE - the size of ring buffer;
+ * - BPF_RB_CONS_POS - consumer position (can wrap around);
+ * - BPF_RB_PROD_POS - producer(s) position (can wrap around);
+ * Data returned is just a momentary snapshots of actual values
+ * and could be inaccurate, so this facility should be used to
+ * power heuristics and for reporting, not to make 100% correct
+ * calculation.
+ * Return
+ * Requested value, or 0, if flags are not recognized.
+ *
+ * int bpf_csum_level(struct sk_buff *skb, u64 level)
+ * Description
+ * Change the skbs checksum level by one layer up or down, or
+ * reset it entirely to none in order to have the stack perform
+ * checksum validation. The level is applicable to the following
+ * protocols: TCP, UDP, GRE, SCTP, FCOE. For example, a decap of
+ * | ETH | IP | UDP | GUE | IP | TCP | into | ETH | IP | TCP |
+ * through **bpf_skb_adjust_room**\ () helper with passing in
+ * **BPF_F_ADJ_ROOM_NO_CSUM_RESET** flag would require one call
+ * to **bpf_csum_level**\ () with **BPF_CSUM_LEVEL_DEC** since
+ * the UDP header is removed. Similarly, an encap of the latter
+ * into the former could be accompanied by a helper call to
+ * **bpf_csum_level**\ () with **BPF_CSUM_LEVEL_INC** if the
+ * skb is still intended to be processed in higher layers of the
+ * stack instead of just egressing at tc.
+ *
+ * There are three supported level settings at this time:
+ *
+ * * **BPF_CSUM_LEVEL_INC**: Increases skb->csum_level for skbs
+ * with CHECKSUM_UNNECESSARY.
+ * * **BPF_CSUM_LEVEL_DEC**: Decreases skb->csum_level for skbs
+ * with CHECKSUM_UNNECESSARY.
+ * * **BPF_CSUM_LEVEL_RESET**: Resets skb->csum_level to 0 and
+ * sets CHECKSUM_NONE to force checksum validation by the stack.
+ * * **BPF_CSUM_LEVEL_QUERY**: No-op, returns the current
+ * skb->csum_level.
+ * Return
+ * 0 on success, or a negative error in case of failure. In the
+ * case of **BPF_CSUM_LEVEL_QUERY**, the current skb->csum_level
+ * is returned or the error code -EACCES in case the skb is not
+ * subject to CHECKSUM_UNNECESSARY.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -3151,7 +3378,18 @@ union bpf_attr {
FN(xdp_output), \
FN(get_netns_cookie), \
FN(get_current_ancestor_cgroup_id), \
- FN(sk_assign),
+ FN(sk_assign), \
+ FN(ktime_get_boot_ns), \
+ FN(seq_printf), \
+ FN(seq_write), \
+ FN(sk_cgroup_id), \
+ FN(sk_ancestor_cgroup_id), \
+ FN(ringbuf_output), \
+ FN(ringbuf_reserve), \
+ FN(ringbuf_submit), \
+ FN(ringbuf_discard), \
+ FN(ringbuf_query), \
+ FN(csum_level),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@@ -3228,6 +3466,14 @@ enum {
BPF_F_CURRENT_NETNS = (-1L),
};
+/* BPF_FUNC_csum_level level values. */
+enum {
+ BPF_CSUM_LEVEL_QUERY,
+ BPF_CSUM_LEVEL_INC,
+ BPF_CSUM_LEVEL_DEC,
+ BPF_CSUM_LEVEL_RESET,
+};
+
/* BPF_FUNC_skb_adjust_room flags. */
enum {
BPF_F_ADJ_ROOM_FIXED_GSO = (1ULL << 0),
@@ -3235,6 +3481,7 @@ enum {
BPF_F_ADJ_ROOM_ENCAP_L3_IPV6 = (1ULL << 2),
BPF_F_ADJ_ROOM_ENCAP_L4_GRE = (1ULL << 3),
BPF_F_ADJ_ROOM_ENCAP_L4_UDP = (1ULL << 4),
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET = (1ULL << 5),
};
enum {
@@ -3261,6 +3508,29 @@ enum {
BPF_F_GET_BRANCH_RECORDS_SIZE = (1ULL << 0),
};
+/* BPF_FUNC_bpf_ringbuf_commit, BPF_FUNC_bpf_ringbuf_discard, and
+ * BPF_FUNC_bpf_ringbuf_output flags.
+ */
+enum {
+ BPF_RB_NO_WAKEUP = (1ULL << 0),
+ BPF_RB_FORCE_WAKEUP = (1ULL << 1),
+};
+
+/* BPF_FUNC_bpf_ringbuf_query flags */
+enum {
+ BPF_RB_AVAIL_DATA = 0,
+ BPF_RB_RING_SIZE = 1,
+ BPF_RB_CONS_POS = 2,
+ BPF_RB_PROD_POS = 3,
+};
+
+/* BPF ring buffer constants */
+enum {
+ BPF_RINGBUF_BUSY_BIT = (1U << 31),
+ BPF_RINGBUF_DISCARD_BIT = (1U << 30),
+ BPF_RINGBUF_HDR_SZ = 8,
+};
+
/* Mode for BPF_FUNC_skb_adjust_room helper. */
enum bpf_adj_room_mode {
BPF_ADJ_ROOM_NET,
@@ -3393,6 +3663,7 @@ struct bpf_sock {
__u32 dst_ip4;
__u32 dst_ip6[4];
__u32 state;
+ __s32 rx_queue_mapping;
};
struct bpf_tcp_sock {
@@ -3486,6 +3757,8 @@ struct xdp_md {
/* Below access go through struct xdp_rxq_info */
__u32 ingress_ifindex; /* rxq->dev->ifindex */
__u32 rx_queue_index; /* rxq->queue_index */
+
+ __u32 egress_ifindex; /* txq->dev->ifindex */
};
enum sk_action {
@@ -3508,6 +3781,8 @@ struct sk_msg_md {
__u32 remote_port; /* Stored in network byte order */
__u32 local_port; /* stored in host byte order */
__u32 size; /* Total size of sk_msg */
+
+ __bpf_md_ptr(struct bpf_sock *, sk); /* current socket */
};
struct sk_reuseport_md {
@@ -3598,6 +3873,29 @@ struct bpf_btf_info {
__u32 id;
} __attribute__((aligned(8)));
+struct bpf_link_info {
+ __u32 type;
+ __u32 id;
+ __u32 prog_id;
+ union {
+ struct {
+ __aligned_u64 tp_name; /* in/out: tp_name buffer ptr */
+ __u32 tp_name_len; /* in/out: tp_name buffer len */
+ } raw_tracepoint;
+ struct {
+ __u32 attach_type;
+ } tracing;
+ struct {
+ __u64 cgroup_id;
+ __u32 attach_type;
+ } cgroup;
+ struct {
+ __u32 netns_ino;
+ __u32 attach_type;
+ } netns;
+ };
+} __attribute__((aligned(8)));
+
/* User bpf_sock_addr struct to access socket fields and sockaddr struct passed
* by user and intended to be used by socket (e.g. to bind to, depends on
* attach attach type).
@@ -3610,7 +3908,7 @@ struct bpf_sock_addr {
__u32 user_ip6[4]; /* Allows 1,2,4,8-byte read and 4,8-byte write.
* Stored in network byte order.
*/
- __u32 user_port; /* Allows 4-byte read and write.
+ __u32 user_port; /* Allows 1,2,4-byte read and 4-byte write.
* Stored in network byte order
*/
__u32 family; /* Allows 4-byte read, but no write */
diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index 8e322e2c7e78..a3f3975df0de 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -519,15 +519,6 @@ struct btrfs_extent_inline_ref {
__le64 offset;
} __attribute__ ((__packed__));
-/* old style backrefs item */
-struct btrfs_extent_ref_v0 {
- __le64 root;
- __le64 generation;
- __le64 objectid;
- __le32 count;
-} __attribute__ ((__packed__));
-
-
/* dev extents record free space on individual devices. The owner
* field points back to the chunk allocation mapping tree that allocated
* the extent. The chunk tree uuid field is a way to double check the owner
diff --git a/include/uapi/linux/capability.h b/include/uapi/linux/capability.h
index 272dc69fa080..48ff0757ae5e 100644
--- a/include/uapi/linux/capability.h
+++ b/include/uapi/linux/capability.h
@@ -274,6 +274,7 @@ struct vfs_ns_cap_data {
arbitrary SCSI commands */
/* Allow setting encryption key on loopback filesystem */
/* Allow setting zone reclaim policy */
+/* Allow everything under CAP_BPF and CAP_PERFMON for backward compatibility */
#define CAP_SYS_ADMIN 21
@@ -332,6 +333,8 @@ struct vfs_ns_cap_data {
#define CAP_AUDIT_CONTROL 30
+/* Set or remove capabilities on files */
+
#define CAP_SETFCAP 31
/* Override MAC access.
@@ -367,8 +370,45 @@ struct vfs_ns_cap_data {
#define CAP_AUDIT_READ 37
+/*
+ * Allow system performance and observability privileged operations
+ * using perf_events, i915_perf and other kernel subsystems
+ */
+
+#define CAP_PERFMON 38
+
+/*
+ * CAP_BPF allows the following BPF operations:
+ * - Creating all types of BPF maps
+ * - Advanced verifier features
+ * - Indirect variable access
+ * - Bounded loops
+ * - BPF to BPF function calls
+ * - Scalar precision tracking
+ * - Larger complexity limits
+ * - Dead code elimination
+ * - And potentially other features
+ * - Loading BPF Type Format (BTF) data
+ * - Retrieve xlated and JITed code of BPF programs
+ * - Use bpf_spin_lock() helper
+ *
+ * CAP_PERFMON relaxes the verifier checks further:
+ * - BPF progs can use of pointer-to-integer conversions
+ * - speculation attack hardening measures are bypassed
+ * - bpf_probe_read to read arbitrary kernel memory is allowed
+ * - bpf_trace_printk to print kernel memory is allowed
+ *
+ * CAP_SYS_ADMIN is required to use bpf_probe_write_user.
+ *
+ * CAP_SYS_ADMIN is required to iterate system wide loaded
+ * programs, maps, links, BTFs and convert their IDs to file descriptors.
+ *
+ * CAP_PERFMON and CAP_BPF are required to load tracing programs.
+ * CAP_NET_ADMIN and CAP_BPF are required to load networking programs.
+ */
+#define CAP_BPF 39
-#define CAP_LAST_CAP CAP_AUDIT_READ
+#define CAP_LAST_CAP CAP_BPF
#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index 1ae90e06c06d..08563e6a424d 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -233,10 +233,13 @@ enum {
* @DEVLINK_TRAP_ACTION_DROP: Packet is dropped by the device and a copy is not
* sent to the CPU.
* @DEVLINK_TRAP_ACTION_TRAP: The sole copy of the packet is sent to the CPU.
+ * @DEVLINK_TRAP_ACTION_MIRROR: Packet is forwarded by the device and a copy is
+ * sent to the CPU.
*/
enum devlink_trap_action {
DEVLINK_TRAP_ACTION_DROP,
DEVLINK_TRAP_ACTION_TRAP,
+ DEVLINK_TRAP_ACTION_MIRROR,
};
/**
@@ -250,10 +253,16 @@ enum devlink_trap_action {
* control plane for resolution. Trapped packets
* are processed by devlink and injected to
* the kernel's Rx path.
+ * @DEVLINK_TRAP_TYPE_CONTROL: Packet was trapped because it is required for
+ * the correct functioning of the control plane.
+ * For example, an ARP request packet. Trapped
+ * packets are injected to the kernel's Rx path,
+ * but not reported to drop monitor.
*/
enum devlink_trap_type {
DEVLINK_TRAP_TYPE_DROP,
DEVLINK_TRAP_TYPE_EXCEPTION,
+ DEVLINK_TRAP_TYPE_CONTROL,
};
enum {
diff --git a/include/uapi/linux/dlm_device.h b/include/uapi/linux/dlm_device.h
index e83954c69fff..f880d2831160 100644
--- a/include/uapi/linux/dlm_device.h
+++ b/include/uapi/linux/dlm_device.h
@@ -45,13 +45,13 @@ struct dlm_lock_params {
void __user *bastaddr;
struct dlm_lksb __user *lksb;
char lvb[DLM_USER_LVB_LEN];
- char name[];
+ char name[0];
};
struct dlm_lspace_params {
__u32 flags;
__u32 minor;
- char name[];
+ char name[0];
};
struct dlm_purge_params {
diff --git a/include/uapi/linux/dma-buf.h b/include/uapi/linux/dma-buf.h
index dbc7092e04b5..7f30393b92c3 100644
--- a/include/uapi/linux/dma-buf.h
+++ b/include/uapi/linux/dma-buf.h
@@ -39,6 +39,12 @@ struct dma_buf_sync {
#define DMA_BUF_BASE 'b'
#define DMA_BUF_IOCTL_SYNC _IOW(DMA_BUF_BASE, 0, struct dma_buf_sync)
+
+/* 32/64bitness of this uapi was botched in android, there's no difference
+ * between them in actual uapi, they're just different numbers.
+ */
#define DMA_BUF_SET_NAME _IOW(DMA_BUF_BASE, 1, const char *)
+#define DMA_BUF_SET_NAME_A _IOW(DMA_BUF_BASE, 1, u32)
+#define DMA_BUF_SET_NAME_B _IOW(DMA_BUF_BASE, 1, u64)
#endif
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 34c02e4290fe..c6dd0215482e 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -36,6 +36,7 @@ typedef __s64 Elf64_Sxword;
#define PT_LOPROC 0x70000000
#define PT_HIPROC 0x7fffffff
#define PT_GNU_EH_FRAME 0x6474e550
+#define PT_GNU_PROPERTY 0x6474e553
#define PT_GNU_STACK (PT_LOOS + 0x474e551)
@@ -367,6 +368,7 @@ typedef struct elf64_shdr {
* Notes used in ET_CORE. Architectures export some of the arch register sets
* using the corresponding note types via the PTRACE_GETREGSET and
* PTRACE_SETREGSET requests.
+ * The note name for all these is "LINUX".
*/
#define NT_PRSTATUS 1
#define NT_PRFPREG 2
@@ -429,6 +431,9 @@ typedef struct elf64_shdr {
#define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */
#define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */
+/* Note types with note name "GNU" */
+#define NT_GNU_PROPERTY_TYPE_0 5
+
/* Note header in a PT_NOTE section */
typedef struct elf32_note {
Elf32_Word n_namesz; /* Name size */
@@ -443,4 +448,10 @@ typedef struct elf64_note {
Elf64_Word n_type; /* Content type */
} Elf64_Nhdr;
+/* .note.gnu.property types for EM_AARCH64: */
+#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
+
+/* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */
+#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
+
#endif /* _UAPI_LINUX_ELF_H */
diff --git a/include/uapi/linux/errqueue.h b/include/uapi/linux/errqueue.h
index 0cca19670fd2..ca5cb3e3c6df 100644
--- a/include/uapi/linux/errqueue.h
+++ b/include/uapi/linux/errqueue.h
@@ -36,7 +36,7 @@ struct sock_extended_err {
*
* The timestamping interfaces SO_TIMESTAMPING, MSG_TSTAMP_*
* communicate network timestamps by passing this struct in a cmsg with
- * recvmsg(). See Documentation/networking/timestamping.txt for details.
+ * recvmsg(). See Documentation/networking/timestamping.rst for details.
* User space sees a timespec definition that matches either
* __kernel_timespec or __kernel_old_timespec, in the kernel we
* require two structure definitions to provide both.
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 92f737f10117..f4662b3a9e1e 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1666,6 +1666,18 @@ static inline int ethtool_validate_duplex(__u8 duplex)
return 0;
}
+#define MASTER_SLAVE_CFG_UNSUPPORTED 0
+#define MASTER_SLAVE_CFG_UNKNOWN 1
+#define MASTER_SLAVE_CFG_MASTER_PREFERRED 2
+#define MASTER_SLAVE_CFG_SLAVE_PREFERRED 3
+#define MASTER_SLAVE_CFG_MASTER_FORCE 4
+#define MASTER_SLAVE_CFG_SLAVE_FORCE 5
+#define MASTER_SLAVE_STATE_UNSUPPORTED 0
+#define MASTER_SLAVE_STATE_UNKNOWN 1
+#define MASTER_SLAVE_STATE_MASTER 2
+#define MASTER_SLAVE_STATE_SLAVE 3
+#define MASTER_SLAVE_STATE_ERR 4
+
/* Which connector port. */
#define PORT_TP 0x00
#define PORT_AUI 0x01
@@ -1904,7 +1916,9 @@ struct ethtool_link_settings {
__u8 eth_tp_mdix_ctrl;
__s8 link_mode_masks_nwords;
__u8 transceiver;
- __u8 reserved1[3];
+ __u8 master_slave_cfg;
+ __u8 master_slave_state;
+ __u8 reserved1[1];
__u32 reserved[7];
__u32 link_mode_masks[0];
/* layout of link_mode_masks fields:
diff --git a/include/uapi/linux/ethtool_netlink.h b/include/uapi/linux/ethtool_netlink.h
index 7fde76366ba4..4dda5e4244a7 100644
--- a/include/uapi/linux/ethtool_netlink.h
+++ b/include/uapi/linux/ethtool_netlink.h
@@ -2,7 +2,7 @@
/*
* include/uapi/linux/ethtool_netlink.h - netlink interface for ethtool
*
- * See Documentation/networking/ethtool-netlink.txt in kernel source tree for
+ * See Documentation/networking/ethtool-netlink.rst in kernel source tree for
* doucumentation of the interface.
*/
@@ -39,6 +39,8 @@ enum {
ETHTOOL_MSG_EEE_GET,
ETHTOOL_MSG_EEE_SET,
ETHTOOL_MSG_TSINFO_GET,
+ ETHTOOL_MSG_CABLE_TEST_ACT,
+ ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
/* add new constants above here */
__ETHTOOL_MSG_USER_CNT,
@@ -74,6 +76,8 @@ enum {
ETHTOOL_MSG_EEE_GET_REPLY,
ETHTOOL_MSG_EEE_NTF,
ETHTOOL_MSG_TSINFO_GET_REPLY,
+ ETHTOOL_MSG_CABLE_TEST_NTF,
+ ETHTOOL_MSG_CABLE_TEST_TDR_NTF,
/* add new constants above here */
__ETHTOOL_MSG_KERNEL_CNT,
@@ -216,6 +220,8 @@ enum {
ETHTOOL_A_LINKMODES_PEER, /* bitset */
ETHTOOL_A_LINKMODES_SPEED, /* u32 */
ETHTOOL_A_LINKMODES_DUPLEX, /* u8 */
+ ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG, /* u8 */
+ ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE, /* u8 */
/* add new constants above here */
__ETHTOOL_A_LINKMODES_CNT,
@@ -228,6 +234,8 @@ enum {
ETHTOOL_A_LINKSTATE_UNSPEC,
ETHTOOL_A_LINKSTATE_HEADER, /* nest - _A_HEADER_* */
ETHTOOL_A_LINKSTATE_LINK, /* u8 */
+ ETHTOOL_A_LINKSTATE_SQI, /* u32 */
+ ETHTOOL_A_LINKSTATE_SQI_MAX, /* u32 */
/* add new constants above here */
__ETHTOOL_A_LINKSTATE_CNT,
@@ -403,6 +411,149 @@ enum {
ETHTOOL_A_TSINFO_MAX = (__ETHTOOL_A_TSINFO_CNT - 1)
};
+/* CABLE TEST */
+
+enum {
+ ETHTOOL_A_CABLE_TEST_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_HEADER, /* nest - _A_HEADER_* */
+
+ /* add new constants above here */
+ __ETHTOOL_A_CABLE_TEST_CNT,
+ ETHTOOL_A_CABLE_TEST_MAX = __ETHTOOL_A_CABLE_TEST_CNT - 1
+};
+
+/* CABLE TEST NOTIFY */
+enum {
+ ETHTOOL_A_CABLE_RESULT_CODE_UNSPEC,
+ ETHTOOL_A_CABLE_RESULT_CODE_OK,
+ ETHTOOL_A_CABLE_RESULT_CODE_OPEN,
+ ETHTOOL_A_CABLE_RESULT_CODE_SAME_SHORT,
+ ETHTOOL_A_CABLE_RESULT_CODE_CROSS_SHORT,
+};
+
+enum {
+ ETHTOOL_A_CABLE_PAIR_A,
+ ETHTOOL_A_CABLE_PAIR_B,
+ ETHTOOL_A_CABLE_PAIR_C,
+ ETHTOOL_A_CABLE_PAIR_D,
+};
+
+enum {
+ ETHTOOL_A_CABLE_RESULT_UNSPEC,
+ ETHTOOL_A_CABLE_RESULT_PAIR, /* u8 ETHTOOL_A_CABLE_PAIR_ */
+ ETHTOOL_A_CABLE_RESULT_CODE, /* u8 ETHTOOL_A_CABLE_RESULT_CODE_ */
+
+ __ETHTOOL_A_CABLE_RESULT_CNT,
+ ETHTOOL_A_CABLE_RESULT_MAX = (__ETHTOOL_A_CABLE_RESULT_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_FAULT_LENGTH_UNSPEC,
+ ETHTOOL_A_CABLE_FAULT_LENGTH_PAIR, /* u8 ETHTOOL_A_CABLE_PAIR_ */
+ ETHTOOL_A_CABLE_FAULT_LENGTH_CM, /* u32 */
+
+ __ETHTOOL_A_CABLE_FAULT_LENGTH_CNT,
+ ETHTOOL_A_CABLE_FAULT_LENGTH_MAX = (__ETHTOOL_A_CABLE_FAULT_LENGTH_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_STARTED,
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_COMPLETED
+};
+
+enum {
+ ETHTOOL_A_CABLE_NEST_UNSPEC,
+ ETHTOOL_A_CABLE_NEST_RESULT, /* nest - ETHTOOL_A_CABLE_RESULT_ */
+ ETHTOOL_A_CABLE_NEST_FAULT_LENGTH, /* nest - ETHTOOL_A_CABLE_FAULT_LENGTH_ */
+ __ETHTOOL_A_CABLE_NEST_CNT,
+ ETHTOOL_A_CABLE_NEST_MAX = (__ETHTOOL_A_CABLE_NEST_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_TEST_NTF_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_NTF_HEADER, /* nest - ETHTOOL_A_HEADER_* */
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS, /* u8 - _STARTED/_COMPLETE */
+ ETHTOOL_A_CABLE_TEST_NTF_NEST, /* nest - of results: */
+
+ __ETHTOOL_A_CABLE_TEST_NTF_CNT,
+ ETHTOOL_A_CABLE_TEST_NTF_MAX = (__ETHTOOL_A_CABLE_TEST_NTF_CNT - 1)
+};
+
+/* CABLE TEST TDR */
+
+enum {
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST, /* u32 */
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST, /* u32 */
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP, /* u32 */
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR, /* u8 */
+
+ /* add new constants above here */
+ __ETHTOOL_A_CABLE_TEST_TDR_CFG_CNT,
+ ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX = __ETHTOOL_A_CABLE_TEST_TDR_CFG_CNT - 1
+};
+
+enum {
+ ETHTOOL_A_CABLE_TEST_TDR_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_TDR_HEADER, /* nest - _A_HEADER_* */
+ ETHTOOL_A_CABLE_TEST_TDR_CFG, /* nest - *_TDR_CFG_* */
+
+ /* add new constants above here */
+ __ETHTOOL_A_CABLE_TEST_TDR_CNT,
+ ETHTOOL_A_CABLE_TEST_TDR_MAX = __ETHTOOL_A_CABLE_TEST_TDR_CNT - 1
+};
+
+/* CABLE TEST TDR NOTIFY */
+
+enum {
+ ETHTOOL_A_CABLE_AMPLITUDE_UNSPEC,
+ ETHTOOL_A_CABLE_AMPLITUDE_PAIR, /* u8 */
+ ETHTOOL_A_CABLE_AMPLITUDE_mV, /* s16 */
+
+ __ETHTOOL_A_CABLE_AMPLITUDE_CNT,
+ ETHTOOL_A_CABLE_AMPLITUDE_MAX = (__ETHTOOL_A_CABLE_AMPLITUDE_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_PULSE_UNSPEC,
+ ETHTOOL_A_CABLE_PULSE_mV, /* s16 */
+
+ __ETHTOOL_A_CABLE_PULSE_CNT,
+ ETHTOOL_A_CABLE_PULSE_MAX = (__ETHTOOL_A_CABLE_PULSE_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_STEP_UNSPEC,
+ ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE, /* u32 */
+ ETHTOOL_A_CABLE_STEP_LAST_DISTANCE, /* u32 */
+ ETHTOOL_A_CABLE_STEP_STEP_DISTANCE, /* u32 */
+
+ __ETHTOOL_A_CABLE_STEP_CNT,
+ ETHTOOL_A_CABLE_STEP_MAX = (__ETHTOOL_A_CABLE_STEP_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_TDR_NEST_UNSPEC,
+ ETHTOOL_A_CABLE_TDR_NEST_STEP, /* nest - ETHTTOOL_A_CABLE_STEP */
+ ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE, /* nest - ETHTOOL_A_CABLE_AMPLITUDE */
+ ETHTOOL_A_CABLE_TDR_NEST_PULSE, /* nest - ETHTOOL_A_CABLE_PULSE */
+
+ __ETHTOOL_A_CABLE_TDR_NEST_CNT,
+ ETHTOOL_A_CABLE_TDR_NEST_MAX = (__ETHTOOL_A_CABLE_TDR_NEST_CNT - 1)
+};
+
+enum {
+ ETHTOOL_A_CABLE_TEST_TDR_NTF_UNSPEC,
+ ETHTOOL_A_CABLE_TEST_TDR_NTF_HEADER, /* nest - ETHTOOL_A_HEADER_* */
+ ETHTOOL_A_CABLE_TEST_TDR_NTF_STATUS, /* u8 - _STARTED/_COMPLETE */
+ ETHTOOL_A_CABLE_TEST_TDR_NTF_NEST, /* nest - of results: */
+
+ /* add new constants above here */
+ __ETHTOOL_A_CABLE_TEST_TDR_NTF_CNT,
+ ETHTOOL_A_CABLE_TEST_TDR_NTF_MAX = __ETHTOOL_A_CABLE_TEST_TDR_NTF_CNT - 1
+};
+
/* generic netlink info */
#define ETHTOOL_GENL_NAME "ethtool"
#define ETHTOOL_GENL_VERSION 1
diff --git a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h
index ca88b7bce553..2f86b2ad6d7e 100644
--- a/include/uapi/linux/fcntl.h
+++ b/include/uapi/linux/fcntl.h
@@ -84,10 +84,20 @@
#define DN_ATTRIB 0x00000020 /* File changed attibutes */
#define DN_MULTISHOT 0x80000000 /* Don't remove notifier */
+/*
+ * The constants AT_REMOVEDIR and AT_EACCESS have the same value. AT_EACCESS is
+ * meaningful only to faccessat, while AT_REMOVEDIR is meaningful only to
+ * unlinkat. The two functions do completely different things and therefore,
+ * the flags can be allowed to overlap. For example, passing AT_REMOVEDIR to
+ * faccessat would be undefined behavior and thus treating it equivalent to
+ * AT_EACCESS is valid undefined behavior.
+ */
#define AT_FDCWD -100 /* Special value used to indicate
openat should use the current
working directory. */
#define AT_SYMLINK_NOFOLLOW 0x100 /* Do not follow symbolic links. */
+#define AT_EACCESS 0x200 /* Test access permitted for
+ effective IDs, not real IDs. */
#define AT_REMOVEDIR 0x200 /* Remove directory instead of
unlinking file. */
#define AT_SYMLINK_FOLLOW 0x400 /* Follow symbolic links. */
diff --git a/include/uapi/linux/fd.h b/include/uapi/linux/fd.h
index 90fb94712c41..8b80c63b971c 100644
--- a/include/uapi/linux/fd.h
+++ b/include/uapi/linux/fd.h
@@ -172,7 +172,10 @@ struct floppy_drive_params {
* used in succession to try to read the disk. If the FDC cannot lock onto
* the disk, the next format is tried. This uses the variable 'probing'.
*/
- short autodetect[8]; /* autodetected formats */
+
+#define FD_AUTODETECT_SIZE 8
+
+ short autodetect[FD_AUTODETECT_SIZE]; /* autodetected formats */
int checkfreq; /* how often should the drive be checked for disk
* changes */
@@ -357,10 +360,25 @@ struct floppy_raw_cmd {
int buffer_length; /* length of allocated buffer */
unsigned char rate;
+
+#define FD_RAW_CMD_SIZE 16
+#define FD_RAW_REPLY_SIZE 16
+#define FD_RAW_CMD_FULLSIZE (FD_RAW_CMD_SIZE + 1 + FD_RAW_REPLY_SIZE)
+
+ /* The command may take up the space initially intended for the reply
+ * and the reply count. Needed for long 82078 commands such as RESTORE,
+ * which takes 17 command bytes.
+ */
+
unsigned char cmd_count;
- unsigned char cmd[16];
- unsigned char reply_count;
- unsigned char reply[16];
+ union {
+ struct {
+ unsigned char cmd[FD_RAW_CMD_SIZE];
+ unsigned char reply_count;
+ unsigned char reply[FD_RAW_REPLY_SIZE];
+ };
+ unsigned char fullcmd[FD_RAW_CMD_FULLSIZE];
+ };
int track;
int resultcode;
diff --git a/include/uapi/linux/fdreg.h b/include/uapi/linux/fdreg.h
index 1318881954e1..10d33632939d 100644
--- a/include/uapi/linux/fdreg.h
+++ b/include/uapi/linux/fdreg.h
@@ -7,13 +7,23 @@
* Handbook", Sanches and Canton.
*/
-/* Fd controller regs. S&C, about page 340 */
-#define FD_STATUS 4
-#define FD_DATA 5
+/* 82077's auxiliary status registers A & B (R) */
+#define FD_SRA 0
+#define FD_SRB 1
/* Digital Output Register */
#define FD_DOR 2
+/* 82077's tape drive register (R/W) */
+#define FD_TDR 3
+
+/* 82077's data rate select register (W) */
+#define FD_DSR 4
+
+/* Fd controller regs. S&C, about page 340 */
+#define FD_STATUS 4
+#define FD_DATA 5
+
/* Digital Input Register (read) */
#define FD_DIR 7
diff --git a/include/uapi/linux/fiemap.h b/include/uapi/linux/fiemap.h
index 7a900b2377b6..8c0bc24d5d95 100644
--- a/include/uapi/linux/fiemap.h
+++ b/include/uapi/linux/fiemap.h
@@ -34,7 +34,7 @@ struct fiemap {
__u32 fm_mapped_extents;/* number of extents that were mapped (out) */
__u32 fm_extent_count; /* size of fm_extents array (in) */
__u32 fm_reserved;
- struct fiemap_extent fm_extents[]; /* array of mapped extents (out) */
+ struct fiemap_extent fm_extents[0]; /* array of mapped extents (out) */
};
#define FIEMAP_MAX_OFFSET (~0ULL)
diff --git a/include/uapi/linux/firewire-cdev.h b/include/uapi/linux/firewire-cdev.h
index 1acd2b179aef..7e5b5c10a49c 100644
--- a/include/uapi/linux/firewire-cdev.h
+++ b/include/uapi/linux/firewire-cdev.h
@@ -308,7 +308,7 @@ struct fw_cdev_event_iso_interrupt_mc {
/**
* struct fw_cdev_event_iso_resource - Iso resources were allocated or freed
* @closure: See &fw_cdev_event_common;
- * set by %FW_CDEV_IOC_(DE)ALLOCATE_ISO_RESOURCE(_ONCE) ioctl
+ * set by``FW_CDEV_IOC_(DE)ALLOCATE_ISO_RESOURCE(_ONCE)`` ioctl
* @type: %FW_CDEV_EVENT_ISO_RESOURCE_ALLOCATED or
* %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED
* @handle: Reference by which an allocated resource can be deallocated
diff --git a/include/uapi/linux/fscrypt.h b/include/uapi/linux/fscrypt.h
index a10e3cdc2839..7875709ccfeb 100644
--- a/include/uapi/linux/fscrypt.h
+++ b/include/uapi/linux/fscrypt.h
@@ -19,7 +19,8 @@
#define FSCRYPT_POLICY_FLAGS_PAD_MASK 0x03
#define FSCRYPT_POLICY_FLAG_DIRECT_KEY 0x04
#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_64 0x08
-#define FSCRYPT_POLICY_FLAGS_VALID 0x0F
+#define FSCRYPT_POLICY_FLAG_IV_INO_LBLK_32 0x10
+#define FSCRYPT_POLICY_FLAGS_VALID 0x1F
/* Encryption algorithms */
#define FSCRYPT_MODE_AES_256_XTS 1
diff --git a/include/uapi/linux/genetlink.h b/include/uapi/linux/genetlink.h
index 877f7fa95466..9c0636ec2286 100644
--- a/include/uapi/linux/genetlink.h
+++ b/include/uapi/linux/genetlink.h
@@ -48,6 +48,7 @@ enum {
CTRL_CMD_NEWMCAST_GRP,
CTRL_CMD_DELMCAST_GRP,
CTRL_CMD_GETMCAST_GRP, /* unused */
+ CTRL_CMD_GETPOLICY,
__CTRL_CMD_MAX,
};
@@ -62,6 +63,7 @@ enum {
CTRL_ATTR_MAXATTR,
CTRL_ATTR_OPS,
CTRL_ATTR_MCAST_GROUPS,
+ CTRL_ATTR_POLICY,
__CTRL_ATTR_MAX,
};
diff --git a/include/uapi/linux/hyperv.h b/include/uapi/linux/hyperv.h
index 991b2b7ada7a..8f24404ad04f 100644
--- a/include/uapi/linux/hyperv.h
+++ b/include/uapi/linux/hyperv.h
@@ -119,8 +119,8 @@ enum hv_fcopy_op {
struct hv_fcopy_hdr {
__u32 operation;
- uuid_le service_id0; /* currently unused */
- uuid_le service_id1; /* currently unused */
+ __u8 service_id0[16]; /* currently unused */
+ __u8 service_id1[16]; /* currently unused */
} __attribute__((packed));
#define OVER_WRITE 0x1
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index be714cd8c826..797ba2c1562a 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -178,6 +178,7 @@ enum {
enum {
IF_LINK_MODE_DEFAULT,
IF_LINK_MODE_DORMANT, /* limit upward transition to dormant */
+ IF_LINK_MODE_TESTING, /* limit upward transition to testing */
};
/*
diff --git a/include/uapi/linux/if_arcnet.h b/include/uapi/linux/if_arcnet.h
index b122cfac7128..683878036d76 100644
--- a/include/uapi/linux/if_arcnet.h
+++ b/include/uapi/linux/if_arcnet.h
@@ -60,7 +60,7 @@ struct arc_rfc1201 {
__u8 proto; /* protocol ID field - varies */
__u8 split_flag; /* for use with split packets */
__be16 sequence; /* sequence number */
- __u8 payload[]; /* space remaining in packet (504 bytes)*/
+ __u8 payload[0]; /* space remaining in packet (504 bytes)*/
};
#define RFC1201_HDR_SIZE 4
@@ -69,7 +69,7 @@ struct arc_rfc1201 {
*/
struct arc_rfc1051 {
__u8 proto; /* ARC_P_RFC1051_ARP/RFC1051_IP */
- __u8 payload[]; /* 507 bytes */
+ __u8 payload[0]; /* 507 bytes */
};
#define RFC1051_HDR_SIZE 1
@@ -80,7 +80,7 @@ struct arc_rfc1051 {
struct arc_eth_encap {
__u8 proto; /* Always ARC_P_ETHER */
struct ethhdr eth; /* standard ethernet header (yuck!) */
- __u8 payload[]; /* 493 bytes */
+ __u8 payload[0]; /* 493 bytes */
};
#define ETH_ENCAP_HDR_SIZE 14
diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
index bfe621ea51b3..caa6914a3e53 100644
--- a/include/uapi/linux/if_bridge.h
+++ b/include/uapi/linux/if_bridge.h
@@ -120,6 +120,7 @@ enum {
IFLA_BRIDGE_MODE,
IFLA_BRIDGE_VLAN_INFO,
IFLA_BRIDGE_VLAN_TUNNEL_INFO,
+ IFLA_BRIDGE_MRP,
__IFLA_BRIDGE_MAX,
};
#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
@@ -157,6 +158,101 @@ struct bridge_vlan_xstats {
__u32 pad2;
};
+enum {
+ IFLA_BRIDGE_MRP_UNSPEC,
+ IFLA_BRIDGE_MRP_INSTANCE,
+ IFLA_BRIDGE_MRP_PORT_STATE,
+ IFLA_BRIDGE_MRP_PORT_ROLE,
+ IFLA_BRIDGE_MRP_RING_STATE,
+ IFLA_BRIDGE_MRP_RING_ROLE,
+ IFLA_BRIDGE_MRP_START_TEST,
+ __IFLA_BRIDGE_MRP_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_MAX (__IFLA_BRIDGE_MRP_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_INSTANCE_UNSPEC,
+ IFLA_BRIDGE_MRP_INSTANCE_RING_ID,
+ IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX,
+ IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX,
+ IFLA_BRIDGE_MRP_INSTANCE_PRIO,
+ __IFLA_BRIDGE_MRP_INSTANCE_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_INSTANCE_MAX (__IFLA_BRIDGE_MRP_INSTANCE_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC,
+ IFLA_BRIDGE_MRP_PORT_STATE_STATE,
+ __IFLA_BRIDGE_MRP_PORT_STATE_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_PORT_STATE_MAX (__IFLA_BRIDGE_MRP_PORT_STATE_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC,
+ IFLA_BRIDGE_MRP_PORT_ROLE_ROLE,
+ __IFLA_BRIDGE_MRP_PORT_ROLE_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_PORT_ROLE_MAX (__IFLA_BRIDGE_MRP_PORT_ROLE_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_RING_STATE_UNSPEC,
+ IFLA_BRIDGE_MRP_RING_STATE_RING_ID,
+ IFLA_BRIDGE_MRP_RING_STATE_STATE,
+ __IFLA_BRIDGE_MRP_RING_STATE_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_RING_STATE_MAX (__IFLA_BRIDGE_MRP_RING_STATE_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC,
+ IFLA_BRIDGE_MRP_RING_ROLE_RING_ID,
+ IFLA_BRIDGE_MRP_RING_ROLE_ROLE,
+ __IFLA_BRIDGE_MRP_RING_ROLE_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_RING_ROLE_MAX (__IFLA_BRIDGE_MRP_RING_ROLE_MAX - 1)
+
+enum {
+ IFLA_BRIDGE_MRP_START_TEST_UNSPEC,
+ IFLA_BRIDGE_MRP_START_TEST_RING_ID,
+ IFLA_BRIDGE_MRP_START_TEST_INTERVAL,
+ IFLA_BRIDGE_MRP_START_TEST_MAX_MISS,
+ IFLA_BRIDGE_MRP_START_TEST_PERIOD,
+ IFLA_BRIDGE_MRP_START_TEST_MONITOR,
+ __IFLA_BRIDGE_MRP_START_TEST_MAX,
+};
+
+#define IFLA_BRIDGE_MRP_START_TEST_MAX (__IFLA_BRIDGE_MRP_START_TEST_MAX - 1)
+
+struct br_mrp_instance {
+ __u32 ring_id;
+ __u32 p_ifindex;
+ __u32 s_ifindex;
+ __u16 prio;
+};
+
+struct br_mrp_ring_state {
+ __u32 ring_id;
+ __u32 ring_state;
+};
+
+struct br_mrp_ring_role {
+ __u32 ring_id;
+ __u32 ring_role;
+};
+
+struct br_mrp_start_test {
+ __u32 ring_id;
+ __u32 interval;
+ __u32 max_miss;
+ __u32 period;
+ __u32 monitor;
+};
+
struct bridge_stp_xstats {
__u64 transition_blk;
__u64 transition_fwd;
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index f6ceb2e63d1e..d6de2b167448 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -92,6 +92,7 @@
#define ETH_P_PREAUTH 0x88C7 /* 802.11 Preauthentication */
#define ETH_P_TIPC 0x88CA /* TIPC */
#define ETH_P_LLDP 0x88CC /* Link Layer Discovery Protocol */
+#define ETH_P_MRP 0x88E3 /* Media Redundancy Protocol */
#define ETH_P_MACSEC 0x88E5 /* 802.1ae MACsec */
#define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */
#define ETH_P_MVRP 0x88F5 /* 802.1Q MVRP */
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 127c704eeba9..a009365ad67b 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -343,6 +343,7 @@ enum {
IFLA_BRPORT_NEIGH_SUPPRESS,
IFLA_BRPORT_ISOLATED,
IFLA_BRPORT_BACKUP_PORT,
+ IFLA_BRPORT_MRP_RING_OPEN,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/include/uapi/linux/if_x25.h b/include/uapi/linux/if_x25.h
index 5d962448345f..3a5938e38370 100644
--- a/include/uapi/linux/if_x25.h
+++ b/include/uapi/linux/if_x25.h
@@ -18,7 +18,7 @@
#include <linux/types.h>
-/* Documentation/networking/x25-iface.txt */
+/* Documentation/networking/x25-iface.rst */
#define X25_IFACE_DATA 0x00
#define X25_IFACE_CONNECT 0x01
#define X25_IFACE_DISCONNECT 0x02
diff --git a/include/uapi/linux/inet_diag.h b/include/uapi/linux/inet_diag.h
index 57cc429a9177..e6f183ee8417 100644
--- a/include/uapi/linux/inet_diag.h
+++ b/include/uapi/linux/inet_diag.h
@@ -96,6 +96,7 @@ enum {
INET_DIAG_BC_MARK_COND,
INET_DIAG_BC_S_EQ,
INET_DIAG_BC_D_EQ,
+ INET_DIAG_BC_CGROUP_COND, /* u64 cgroup v2 ID */
};
struct inet_diag_hostcond {
@@ -157,6 +158,7 @@ enum {
INET_DIAG_MD5SIG,
INET_DIAG_ULP_INFO,
INET_DIAG_SK_BPF_STORAGES,
+ INET_DIAG_CGROUP_ID,
__INET_DIAG_MAX,
};
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index e48d746b8e2a..92c22699a5a7 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -129,6 +129,7 @@ enum {
IORING_OP_SPLICE,
IORING_OP_PROVIDE_BUFFERS,
IORING_OP_REMOVE_BUFFERS,
+ IORING_OP_TEE,
/* this goes last, obviously */
IORING_OP_LAST,
@@ -204,10 +205,19 @@ struct io_cqring_offsets {
__u32 ring_entries;
__u32 overflow;
__u32 cqes;
- __u64 resv[2];
+ __u32 flags;
+ __u32 resv1;
+ __u64 resv2;
};
/*
+ * cq_ring->flags
+ */
+
+/* disable eventfd notifications */
+#define IORING_CQ_EVENTFD_DISABLED (1U << 0)
+
+/*
* io_uring_enter(2) flags
*/
#define IORING_ENTER_GETEVENTS (1U << 0)
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index 20917c59f39c..b6be62356d34 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -251,7 +251,7 @@ struct kfd_memory_exception_failure {
__u32 imprecise; /* Can't determine the exact fault address */
};
-/* memory exception data*/
+/* memory exception data */
struct kfd_hsa_memory_exception_data {
struct kfd_memory_exception_failure failure;
__u64 va;
@@ -410,6 +410,20 @@ struct kfd_ioctl_unmap_memory_from_gpu_args {
__u32 n_success; /* to/from KFD */
};
+/* Allocate GWS for specific queue
+ *
+ * @queue_id: queue's id that GWS is allocated for
+ * @num_gws: how many GWS to allocate
+ * @first_gws: index of the first GWS allocated.
+ * only support contiguous GWS allocation
+ */
+struct kfd_ioctl_alloc_queue_gws_args {
+ __u32 queue_id; /* to KFD */
+ __u32 num_gws; /* to KFD */
+ __u32 first_gws; /* from KFD */
+ __u32 pad;
+};
+
struct kfd_ioctl_get_dmabuf_info_args {
__u64 size; /* from KFD */
__u64 metadata_ptr; /* to KFD */
@@ -529,7 +543,10 @@ enum kfd_mmio_remap {
#define AMDKFD_IOC_IMPORT_DMABUF \
AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args)
+#define AMDKFD_IOC_ALLOC_QUEUE_GWS \
+ AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args)
+
#define AMDKFD_COMMAND_START 0x01
-#define AMDKFD_COMMAND_END 0x1E
+#define AMDKFD_COMMAND_END 0x1F
#endif
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 428c7dde6b4b..4fdf30316582 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -116,7 +116,7 @@ struct kvm_irq_level {
* ACPI gsi notion of irq.
* For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
* For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
- * For ARM: See Documentation/virt/kvm/api.txt
+ * For ARM: See Documentation/virt/kvm/api.rst
*/
union {
__u32 irq;
@@ -188,10 +188,13 @@ struct kvm_s390_cmma_log {
struct kvm_hyperv_exit {
#define KVM_EXIT_HYPERV_SYNIC 1
#define KVM_EXIT_HYPERV_HCALL 2
+#define KVM_EXIT_HYPERV_SYNDBG 3
__u32 type;
+ __u32 pad1;
union {
struct {
__u32 msr;
+ __u32 pad2;
__u64 control;
__u64 evt_page;
__u64 msg_page;
@@ -201,6 +204,15 @@ struct kvm_hyperv_exit {
__u64 result;
__u64 params[2];
} hcall;
+ struct {
+ __u32 msr;
+ __u32 pad2;
+ __u64 control;
+ __u64 status;
+ __u64 send_page;
+ __u64 recv_page;
+ __u64 pending_page;
+ } syndbg;
} u;
};
@@ -1017,6 +1029,8 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_S390_VCPU_RESETS 179
#define KVM_CAP_S390_PROTECTED 180
#define KVM_CAP_PPC_SECURE_GUEST 181
+#define KVM_CAP_HALT_POLL 182
+#define KVM_CAP_ASYNC_PF_INT 183
#ifdef KVM_CAP_IRQ_ROUTING
@@ -1107,7 +1121,7 @@ struct kvm_xen_hvm_config {
*
* KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
* the irqfd to operate in resampling mode for level triggered interrupt
- * emulation. See Documentation/virt/kvm/api.txt.
+ * emulation. See Documentation/virt/kvm/api.rst.
*/
#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
diff --git a/include/uapi/linux/loop.h b/include/uapi/linux/loop.h
index 080a8df134ef..24a1c45bd1ae 100644
--- a/include/uapi/linux/loop.h
+++ b/include/uapi/linux/loop.h
@@ -25,6 +25,16 @@ enum {
LO_FLAGS_DIRECT_IO = 16,
};
+/* LO_FLAGS that can be set using LOOP_SET_STATUS(64) */
+#define LOOP_SET_STATUS_SETTABLE_FLAGS (LO_FLAGS_AUTOCLEAR | LO_FLAGS_PARTSCAN)
+
+/* LO_FLAGS that can be cleared using LOOP_SET_STATUS(64) */
+#define LOOP_SET_STATUS_CLEARABLE_FLAGS (LO_FLAGS_AUTOCLEAR)
+
+/* LO_FLAGS that can be set using LOOP_CONFIGURE */
+#define LOOP_CONFIGURE_SETTABLE_FLAGS (LO_FLAGS_READ_ONLY | LO_FLAGS_AUTOCLEAR \
+ | LO_FLAGS_PARTSCAN | LO_FLAGS_DIRECT_IO)
+
#include <asm/posix_types.h> /* for __kernel_old_dev_t */
#include <linux/types.h> /* for __u64 */
@@ -37,7 +47,7 @@ struct loop_info {
int lo_offset;
int lo_encrypt_type;
int lo_encrypt_key_size; /* ioctl w/o */
- int lo_flags; /* ioctl r/o */
+ int lo_flags;
char lo_name[LO_NAME_SIZE];
unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
unsigned long lo_init[2];
@@ -53,13 +63,29 @@ struct loop_info64 {
__u32 lo_number; /* ioctl r/o */
__u32 lo_encrypt_type;
__u32 lo_encrypt_key_size; /* ioctl w/o */
- __u32 lo_flags; /* ioctl r/o */
+ __u32 lo_flags;
__u8 lo_file_name[LO_NAME_SIZE];
__u8 lo_crypt_name[LO_NAME_SIZE];
__u8 lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
__u64 lo_init[2];
};
+/**
+ * struct loop_config - Complete configuration for a loop device.
+ * @fd: fd of the file to be used as a backing file for the loop device.
+ * @block_size: block size to use; ignored if 0.
+ * @info: struct loop_info64 to configure the loop device with.
+ *
+ * This structure is used with the LOOP_CONFIGURE ioctl, and can be used to
+ * atomically setup and configure all loop device parameters at once.
+ */
+struct loop_config {
+ __u32 fd;
+ __u32 block_size;
+ struct loop_info64 info;
+ __u64 __reserved[8];
+};
+
/*
* Loop filter types
*/
@@ -90,6 +116,7 @@ struct loop_info64 {
#define LOOP_SET_CAPACITY 0x4C07
#define LOOP_SET_DIRECT_IO 0x4C08
#define LOOP_SET_BLOCK_SIZE 0x4C09
+#define LOOP_CONFIGURE 0x4C0A
/* /dev/loop-control interface */
#define LOOP_CTL_ADD 0x4C80
diff --git a/include/uapi/linux/mii.h b/include/uapi/linux/mii.h
index 90f9b4e1ba27..39f7c44baf53 100644
--- a/include/uapi/linux/mii.h
+++ b/include/uapi/linux/mii.h
@@ -151,11 +151,13 @@
/* 1000BASE-T Control register */
#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */
#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */
+#define CTL1000_PREFER_MASTER 0x0400 /* prefer to operate as master */
#define CTL1000_AS_MASTER 0x0800
#define CTL1000_ENABLE_MASTER 0x1000
/* 1000BASE-T Status register */
#define LPA_1000MSFAIL 0x8000 /* Master/Slave resolution failure */
+#define LPA_1000MSRES 0x4000 /* Master/Slave resolution status */
#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */
#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */
#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
diff --git a/include/uapi/linux/mmc/ioctl.h b/include/uapi/linux/mmc/ioctl.h
index 98e29e7f54ac..27a39847d55c 100644
--- a/include/uapi/linux/mmc/ioctl.h
+++ b/include/uapi/linux/mmc/ioctl.h
@@ -3,6 +3,7 @@
#define LINUX_MMC_IOCTL_H
#include <linux/types.h>
+#include <linux/major.h>
struct mmc_ioc_cmd {
/*
@@ -57,7 +58,7 @@ struct mmc_ioc_cmd {
*/
struct mmc_ioc_multi_cmd {
__u64 num_of_cmds;
- struct mmc_ioc_cmd cmds[];
+ struct mmc_ioc_cmd cmds[0];
};
#define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd)
diff --git a/include/uapi/linux/mrp_bridge.h b/include/uapi/linux/mrp_bridge.h
new file mode 100644
index 000000000000..84f15f48a7cb
--- /dev/null
+++ b/include/uapi/linux/mrp_bridge.h
@@ -0,0 +1,122 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+
+#ifndef _UAPI_LINUX_MRP_BRIDGE_H_
+#define _UAPI_LINUX_MRP_BRIDGE_H_
+
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#define MRP_MAX_FRAME_LENGTH 200
+#define MRP_DEFAULT_PRIO 0x8000
+#define MRP_DOMAIN_UUID_LENGTH 16
+#define MRP_VERSION 1
+#define MRP_FRAME_PRIO 7
+#define MRP_OUI_LENGTH 3
+#define MRP_MANUFACTURE_DATA_LENGTH 2
+
+enum br_mrp_ring_role_type {
+ BR_MRP_RING_ROLE_DISABLED,
+ BR_MRP_RING_ROLE_MRC,
+ BR_MRP_RING_ROLE_MRM,
+ BR_MRP_RING_ROLE_MRA,
+};
+
+enum br_mrp_ring_state_type {
+ BR_MRP_RING_STATE_OPEN,
+ BR_MRP_RING_STATE_CLOSED,
+};
+
+enum br_mrp_port_state_type {
+ BR_MRP_PORT_STATE_DISABLED,
+ BR_MRP_PORT_STATE_BLOCKED,
+ BR_MRP_PORT_STATE_FORWARDING,
+ BR_MRP_PORT_STATE_NOT_CONNECTED,
+};
+
+enum br_mrp_port_role_type {
+ BR_MRP_PORT_ROLE_PRIMARY,
+ BR_MRP_PORT_ROLE_SECONDARY,
+ BR_MRP_PORT_ROLE_NONE,
+};
+
+enum br_mrp_tlv_header_type {
+ BR_MRP_TLV_HEADER_END = 0x0,
+ BR_MRP_TLV_HEADER_COMMON = 0x1,
+ BR_MRP_TLV_HEADER_RING_TEST = 0x2,
+ BR_MRP_TLV_HEADER_RING_TOPO = 0x3,
+ BR_MRP_TLV_HEADER_RING_LINK_DOWN = 0x4,
+ BR_MRP_TLV_HEADER_RING_LINK_UP = 0x5,
+ BR_MRP_TLV_HEADER_OPTION = 0x7f,
+};
+
+enum br_mrp_sub_tlv_header_type {
+ BR_MRP_SUB_TLV_HEADER_TEST_MGR_NACK = 0x1,
+ BR_MRP_SUB_TLV_HEADER_TEST_PROPAGATE = 0x2,
+ BR_MRP_SUB_TLV_HEADER_TEST_AUTO_MGR = 0x3,
+};
+
+struct br_mrp_tlv_hdr {
+ __u8 type;
+ __u8 length;
+};
+
+struct br_mrp_sub_tlv_hdr {
+ __u8 type;
+ __u8 length;
+};
+
+struct br_mrp_end_hdr {
+ struct br_mrp_tlv_hdr hdr;
+};
+
+struct br_mrp_common_hdr {
+ __be16 seq_id;
+ __u8 domain[MRP_DOMAIN_UUID_LENGTH];
+};
+
+struct br_mrp_ring_test_hdr {
+ __be16 prio;
+ __u8 sa[ETH_ALEN];
+ __be16 port_role;
+ __be16 state;
+ __be16 transitions;
+ __be32 timestamp;
+};
+
+struct br_mrp_ring_topo_hdr {
+ __be16 prio;
+ __u8 sa[ETH_ALEN];
+ __be16 interval;
+};
+
+struct br_mrp_ring_link_hdr {
+ __u8 sa[ETH_ALEN];
+ __be16 port_role;
+ __be16 interval;
+ __be16 blocked;
+};
+
+struct br_mrp_sub_opt_hdr {
+ __u8 type;
+ __u8 manufacture_data[MRP_MANUFACTURE_DATA_LENGTH];
+};
+
+struct br_mrp_test_mgr_nack_hdr {
+ __be16 prio;
+ __u8 sa[ETH_ALEN];
+ __be16 other_prio;
+ __u8 other_sa[ETH_ALEN];
+};
+
+struct br_mrp_test_prop_hdr {
+ __be16 prio;
+ __u8 sa[ETH_ALEN];
+ __be16 other_prio;
+ __u8 other_sa[ETH_ALEN];
+};
+
+struct br_mrp_oui_hdr {
+ __u8 oui[MRP_OUI_LENGTH];
+};
+
+#endif
diff --git a/include/uapi/linux/neighbour.h b/include/uapi/linux/neighbour.h
index cd144e3099a3..eefcda8ca44e 100644
--- a/include/uapi/linux/neighbour.h
+++ b/include/uapi/linux/neighbour.h
@@ -29,6 +29,7 @@ enum {
NDA_LINK_NETNSID,
NDA_SRC_VNI,
NDA_PROTOCOL, /* Originator of entry */
+ NDA_NH_ID,
__NDA_MAX
};
diff --git a/include/uapi/linux/net_dropmon.h b/include/uapi/linux/net_dropmon.h
index 67e31f329190..66048cc5d7b3 100644
--- a/include/uapi/linux/net_dropmon.h
+++ b/include/uapi/linux/net_dropmon.h
@@ -29,12 +29,12 @@ struct net_dm_config_entry {
struct net_dm_config_msg {
__u32 entries;
- struct net_dm_config_entry options[];
+ struct net_dm_config_entry options[0];
};
struct net_dm_alert_msg {
__u32 entries;
- struct net_dm_drop_point points[];
+ struct net_dm_drop_point points[0];
};
struct net_dm_user_msg {
diff --git a/include/uapi/linux/netfilter/nf_conntrack_common.h b/include/uapi/linux/netfilter/nf_conntrack_common.h
index b6f0bb1dc799..4b3395082d15 100644
--- a/include/uapi/linux/netfilter/nf_conntrack_common.h
+++ b/include/uapi/linux/netfilter/nf_conntrack_common.h
@@ -114,15 +114,19 @@ enum ip_conntrack_status {
IPS_OFFLOAD_BIT = 14,
IPS_OFFLOAD = (1 << IPS_OFFLOAD_BIT),
+ /* Conntrack has been offloaded to hardware. */
+ IPS_HW_OFFLOAD_BIT = 15,
+ IPS_HW_OFFLOAD = (1 << IPS_HW_OFFLOAD_BIT),
+
/* Be careful here, modifying these bits can make things messy,
* so don't let users modify them directly.
*/
IPS_UNCHANGEABLE_MASK = (IPS_NAT_DONE_MASK | IPS_NAT_MASK |
IPS_EXPECTED | IPS_CONFIRMED | IPS_DYING |
IPS_SEQ_ADJUST | IPS_TEMPLATE | IPS_UNTRACKED |
- IPS_OFFLOAD),
+ IPS_OFFLOAD | IPS_HW_OFFLOAD),
- __IPS_MAX_BIT = 15,
+ __IPS_MAX_BIT = 16,
};
/* Connection tracking event types */
diff --git a/include/uapi/linux/netfilter/nf_nat.h b/include/uapi/linux/netfilter/nf_nat.h
index 4a95c0db14d4..a64586e77b24 100644
--- a/include/uapi/linux/netfilter/nf_nat.h
+++ b/include/uapi/linux/netfilter/nf_nat.h
@@ -11,6 +11,7 @@
#define NF_NAT_RANGE_PERSISTENT (1 << 3)
#define NF_NAT_RANGE_PROTO_RANDOM_FULLY (1 << 4)
#define NF_NAT_RANGE_PROTO_OFFSET (1 << 5)
+#define NF_NAT_RANGE_NETMAP (1 << 6)
#define NF_NAT_RANGE_PROTO_RANDOM_ALL \
(NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PROTO_RANDOM_FULLY)
@@ -18,7 +19,8 @@
#define NF_NAT_RANGE_MASK \
(NF_NAT_RANGE_MAP_IPS | NF_NAT_RANGE_PROTO_SPECIFIED | \
NF_NAT_RANGE_PROTO_RANDOM | NF_NAT_RANGE_PERSISTENT | \
- NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET)
+ NF_NAT_RANGE_PROTO_RANDOM_FULLY | NF_NAT_RANGE_PROTO_OFFSET | \
+ NF_NAT_RANGE_NETMAP)
struct nf_nat_ipv4_range {
unsigned int flags;
diff --git a/include/uapi/linux/netfilter/nfnetlink_conntrack.h b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
index 1d41810d17e2..262881792671 100644
--- a/include/uapi/linux/netfilter/nfnetlink_conntrack.h
+++ b/include/uapi/linux/netfilter/nfnetlink_conntrack.h
@@ -55,6 +55,7 @@ enum ctattr_type {
CTA_LABELS,
CTA_LABELS_MASK,
CTA_SYNPROXY,
+ CTA_FILTER,
__CTA_MAX
};
#define CTA_MAX (__CTA_MAX - 1)
@@ -276,4 +277,12 @@ enum ctattr_expect_stats {
};
#define CTA_STATS_EXP_MAX (__CTA_STATS_EXP_MAX - 1)
+enum ctattr_filter {
+ CTA_FILTER_UNSPEC,
+ CTA_FILTER_ORIG_FLAGS,
+ CTA_FILTER_REPLY_FLAGS,
+ __CTA_FILTER_MAX
+};
+#define CTA_FILTER_MAX (__CTA_FILTER_MAX - 1)
+
#endif /* _IPCONNTRACK_NETLINK_H */
diff --git a/include/uapi/linux/netfilter_bridge/ebt_among.h b/include/uapi/linux/netfilter_bridge/ebt_among.h
index 73b26a280c4f..9acf757bc1f7 100644
--- a/include/uapi/linux/netfilter_bridge/ebt_among.h
+++ b/include/uapi/linux/netfilter_bridge/ebt_among.h
@@ -40,7 +40,7 @@ struct ebt_mac_wormhash_tuple {
struct ebt_mac_wormhash {
int table[257];
int poolsize;
- struct ebt_mac_wormhash_tuple pool[];
+ struct ebt_mac_wormhash_tuple pool[0];
};
#define ebt_mac_wormhash_size(x) ((x) ? sizeof(struct ebt_mac_wormhash) \
diff --git a/include/uapi/linux/netlink.h b/include/uapi/linux/netlink.h
index 0a4d73317759..eac8a6a648ea 100644
--- a/include/uapi/linux/netlink.h
+++ b/include/uapi/linux/netlink.h
@@ -249,4 +249,107 @@ struct nla_bitfield32 {
__u32 selector;
};
+/*
+ * policy descriptions - it's specific to each family how this is used
+ * Normally, it should be retrieved via a dump inside another attribute
+ * specifying where it applies.
+ */
+
+/**
+ * enum netlink_attribute_type - type of an attribute
+ * @NL_ATTR_TYPE_INVALID: unused
+ * @NL_ATTR_TYPE_FLAG: flag attribute (present/not present)
+ * @NL_ATTR_TYPE_U8: 8-bit unsigned attribute
+ * @NL_ATTR_TYPE_U16: 16-bit unsigned attribute
+ * @NL_ATTR_TYPE_U32: 32-bit unsigned attribute
+ * @NL_ATTR_TYPE_U64: 64-bit unsigned attribute
+ * @NL_ATTR_TYPE_S8: 8-bit signed attribute
+ * @NL_ATTR_TYPE_S16: 16-bit signed attribute
+ * @NL_ATTR_TYPE_S32: 32-bit signed attribute
+ * @NL_ATTR_TYPE_S64: 64-bit signed attribute
+ * @NL_ATTR_TYPE_BINARY: binary data, min/max length may be specified
+ * @NL_ATTR_TYPE_STRING: string, min/max length may be specified
+ * @NL_ATTR_TYPE_NUL_STRING: NUL-terminated string,
+ * min/max length may be specified
+ * @NL_ATTR_TYPE_NESTED: nested, i.e. the content of this attribute
+ * consists of sub-attributes. The nested policy and maxtype
+ * inside may be specified.
+ * @NL_ATTR_TYPE_NESTED_ARRAY: nested array, i.e. the content of this
+ * attribute contains sub-attributes whose type is irrelevant
+ * (just used to separate the array entries) and each such array
+ * entry has attributes again, the policy for those inner ones
+ * and the corresponding maxtype may be specified.
+ * @NL_ATTR_TYPE_BITFIELD32: &struct nla_bitfield32 attribute
+ */
+enum netlink_attribute_type {
+ NL_ATTR_TYPE_INVALID,
+
+ NL_ATTR_TYPE_FLAG,
+
+ NL_ATTR_TYPE_U8,
+ NL_ATTR_TYPE_U16,
+ NL_ATTR_TYPE_U32,
+ NL_ATTR_TYPE_U64,
+
+ NL_ATTR_TYPE_S8,
+ NL_ATTR_TYPE_S16,
+ NL_ATTR_TYPE_S32,
+ NL_ATTR_TYPE_S64,
+
+ NL_ATTR_TYPE_BINARY,
+ NL_ATTR_TYPE_STRING,
+ NL_ATTR_TYPE_NUL_STRING,
+
+ NL_ATTR_TYPE_NESTED,
+ NL_ATTR_TYPE_NESTED_ARRAY,
+
+ NL_ATTR_TYPE_BITFIELD32,
+};
+
+/**
+ * enum netlink_policy_type_attr - policy type attributes
+ * @NL_POLICY_TYPE_ATTR_UNSPEC: unused
+ * @NL_POLICY_TYPE_ATTR_TYPE: type of the attribute,
+ * &enum netlink_attribute_type (U32)
+ * @NL_POLICY_TYPE_ATTR_MIN_VALUE_S: minimum value for signed
+ * integers (S64)
+ * @NL_POLICY_TYPE_ATTR_MAX_VALUE_S: maximum value for signed
+ * integers (S64)
+ * @NL_POLICY_TYPE_ATTR_MIN_VALUE_U: minimum value for unsigned
+ * integers (U64)
+ * @NL_POLICY_TYPE_ATTR_MAX_VALUE_U: maximum value for unsigned
+ * integers (U64)
+ * @NL_POLICY_TYPE_ATTR_MIN_LENGTH: minimum length for binary
+ * attributes, no minimum if not given (U32)
+ * @NL_POLICY_TYPE_ATTR_MAX_LENGTH: maximum length for binary
+ * attributes, no maximum if not given (U32)
+ * @NL_POLICY_TYPE_ATTR_POLICY_IDX: sub policy for nested and
+ * nested array types (U32)
+ * @NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE: maximum sub policy
+ * attribute for nested and nested array types, this can
+ * in theory be < the size of the policy pointed to by
+ * the index, if limited inside the nesting (U32)
+ * @NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: valid mask for the
+ * bitfield32 type (U32)
+ * @NL_POLICY_TYPE_ATTR_PAD: pad attribute for 64-bit alignment
+ */
+enum netlink_policy_type_attr {
+ NL_POLICY_TYPE_ATTR_UNSPEC,
+ NL_POLICY_TYPE_ATTR_TYPE,
+ NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
+ NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
+ NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
+ NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
+ NL_POLICY_TYPE_ATTR_MIN_LENGTH,
+ NL_POLICY_TYPE_ATTR_MAX_LENGTH,
+ NL_POLICY_TYPE_ATTR_POLICY_IDX,
+ NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
+ NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
+ NL_POLICY_TYPE_ATTR_PAD,
+
+ /* keep last */
+ __NL_POLICY_TYPE_ATTR_MAX,
+ NL_POLICY_TYPE_ATTR_MAX = __NL_POLICY_TYPE_ATTR_MAX - 1
+};
+
#endif /* _UAPI__LINUX_NETLINK_H */
diff --git a/include/uapi/linux/nexthop.h b/include/uapi/linux/nexthop.h
index 7b61867e9848..2d4a1e784cf0 100644
--- a/include/uapi/linux/nexthop.h
+++ b/include/uapi/linux/nexthop.h
@@ -49,6 +49,9 @@ enum {
NHA_GROUPS, /* flag; only return nexthop groups in dump */
NHA_MASTER, /* u32; only return nexthops with given master dev */
+ NHA_FDB, /* flag; nexthop belongs to a bridge fdb */
+ /* if NHA_FDB is added, OIF, BLACKHOLE, ENCAP cannot be set */
+
__NHA_MAX,
};
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 2b691161830f..dad8c8f8581f 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -296,13 +296,14 @@
* to get a list of all present wiphys.
* @NL80211_CMD_SET_WIPHY: set wiphy parameters, needs %NL80211_ATTR_WIPHY or
* %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME,
- * %NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ (and the
- * attributes determining the channel width; this is used for setting
- * monitor mode channel), %NL80211_ATTR_WIPHY_RETRY_SHORT,
- * %NL80211_ATTR_WIPHY_RETRY_LONG, %NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
- * and/or %NL80211_ATTR_WIPHY_RTS_THRESHOLD.
- * However, for setting the channel, see %NL80211_CMD_SET_CHANNEL
- * instead, the support here is for backward compatibility only.
+ * %NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ,
+ * %NL80211_ATTR_WIPHY_FREQ_OFFSET (and the attributes determining the
+ * channel width; this is used for setting monitor mode channel),
+ * %NL80211_ATTR_WIPHY_RETRY_SHORT, %NL80211_ATTR_WIPHY_RETRY_LONG,
+ * %NL80211_ATTR_WIPHY_FRAG_THRESHOLD, and/or
+ * %NL80211_ATTR_WIPHY_RTS_THRESHOLD. However, for setting the channel,
+ * see %NL80211_CMD_SET_CHANNEL instead, the support here is for backward
+ * compatibility only.
* @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
* or rename notification. Has attributes %NL80211_ATTR_WIPHY and
* %NL80211_ATTR_WIPHY_NAME.
@@ -351,7 +352,8 @@
* %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_INACTIVITY_TIMEOUT,
* %NL80211_ATTR_ACL_POLICY and %NL80211_ATTR_MAC_ADDRS.
* The channel to use can be set on the interface or be given using the
- * %NL80211_ATTR_WIPHY_FREQ and the attributes determining channel width.
+ * %NL80211_ATTR_WIPHY_FREQ and %NL80211_ATTR_WIPHY_FREQ_OFFSET, and the
+ * attributes determining channel width.
* @NL80211_CMD_NEW_BEACON: old alias for %NL80211_CMD_START_AP
* @NL80211_CMD_STOP_AP: Stop AP operation on the given interface
* @NL80211_CMD_DEL_BEACON: old alias for %NL80211_CMD_STOP_AP
@@ -536,11 +538,12 @@
* interface. %NL80211_ATTR_MAC is used to specify PeerSTAAddress (and
* BSSID in case of station mode). %NL80211_ATTR_SSID is used to specify
* the SSID (mainly for association, but is included in authentication
- * request, too, to help BSS selection. %NL80211_ATTR_WIPHY_FREQ is used
- * to specify the frequence of the channel in MHz. %NL80211_ATTR_AUTH_TYPE
- * is used to specify the authentication type. %NL80211_ATTR_IE is used to
- * define IEs (VendorSpecificInfo, but also including RSN IE and FT IEs)
- * to be added to the frame.
+ * request, too, to help BSS selection. %NL80211_ATTR_WIPHY_FREQ +
+ * %NL80211_ATTR_WIPHY_FREQ_OFFSET is used to specify the frequence of the
+ * channel in MHz. %NL80211_ATTR_AUTH_TYPE is used to specify the
+ * authentication type. %NL80211_ATTR_IE is used to define IEs
+ * (VendorSpecificInfo, but also including RSN IE and FT IEs) to be added
+ * to the frame.
* When used as an event, this reports reception of an Authentication
* frame in station and IBSS modes when the local MLME processed the
* frame, i.e., it was for the local STA and was received in correct
@@ -595,8 +598,9 @@
* requests to connect to a specified network but without separating
* auth and assoc steps. For this, you need to specify the SSID in a
* %NL80211_ATTR_SSID attribute, and can optionally specify the association
- * IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE, %NL80211_ATTR_USE_MFP,
- * %NL80211_ATTR_MAC, %NL80211_ATTR_WIPHY_FREQ, %NL80211_ATTR_CONTROL_PORT,
+ * IEs in %NL80211_ATTR_IE, %NL80211_ATTR_AUTH_TYPE,
+ * %NL80211_ATTR_USE_MFP, %NL80211_ATTR_MAC, %NL80211_ATTR_WIPHY_FREQ,
+ * %NL80211_ATTR_WIPHY_FREQ_OFFSET, %NL80211_ATTR_CONTROL_PORT,
* %NL80211_ATTR_CONTROL_PORT_ETHERTYPE,
* %NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT,
* %NL80211_ATTR_CONTROL_PORT_OVER_NL80211, %NL80211_ATTR_MAC_HINT, and
@@ -687,6 +691,10 @@
* four bytes for vendor frames including the OUI. The registration
* cannot be dropped, but is removed automatically when the netlink
* socket is closed. Multiple registrations can be made.
+ * The %NL80211_ATTR_RECEIVE_MULTICAST flag attribute can be given if
+ * %NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS is available, in which
+ * case the registration can also be modified to include/exclude the
+ * flag, rather than requiring unregistration to change it.
* @NL80211_CMD_REGISTER_ACTION: Alias for @NL80211_CMD_REGISTER_FRAME for
* backward compatibility
* @NL80211_CMD_FRAME: Management frame TX request and RX notification. This
@@ -1151,6 +1159,17 @@
* @NL80211_CMD_SET_TID_CONFIG: Data frame TID specific configuration
* is passed using %NL80211_ATTR_TID_CONFIG attribute.
*
+ * @NL80211_CMD_UNPROT_BEACON: Unprotected or incorrectly protected Beacon
+ * frame. This event is used to indicate that a received Beacon frame was
+ * dropped because it did not include a valid MME MIC while beacon
+ * protection was enabled (BIGTK configured in station mode).
+ *
+ * @NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS: Report TX status of a control
+ * port frame transmitted with %NL80211_CMD_CONTROL_PORT_FRAME.
+ * %NL80211_ATTR_COOKIE identifies the TX command and %NL80211_ATTR_FRAME
+ * includes the contents of the frame. %NL80211_ATTR_ACK flag is included
+ * if the recipient acknowledged the frame.
+ *
* @NL80211_CMD_MAX: highest used command number
* @__NL80211_CMD_AFTER_LAST: internal use
*/
@@ -1377,6 +1396,10 @@ enum nl80211_commands {
NL80211_CMD_SET_TID_CONFIG,
+ NL80211_CMD_UNPROT_BEACON,
+
+ NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS,
+
/* add new commands above here */
/* used to define NL80211_CMD_MAX below */
@@ -1422,7 +1445,8 @@ enum nl80211_commands {
* of &enum nl80211_chan_width, describing the channel width. See the
* documentation of the enum for more information.
* @NL80211_ATTR_CENTER_FREQ1: Center frequency of the first part of the
- * channel, used for anything but 20 MHz bandwidth
+ * channel, used for anything but 20 MHz bandwidth. In S1G this is the
+ * operating channel center frequency.
* @NL80211_ATTR_CENTER_FREQ2: Center frequency of the second part of the
* channel, used only for 80+80 MHz bandwidth
* @NL80211_ATTR_WIPHY_CHANNEL_TYPE: included with NL80211_ATTR_WIPHY_FREQ
@@ -2469,6 +2493,17 @@ enum nl80211_commands {
* entry without having to force a disconnection after the PMK timeout. If
* no roaming occurs between the reauth threshold and PMK expiration,
* disassociation is still forced.
+ * @NL80211_ATTR_RECEIVE_MULTICAST: multicast flag for the
+ * %NL80211_CMD_REGISTER_FRAME command, see the description there.
+ * @NL80211_ATTR_WIPHY_FREQ_OFFSET: offset of the associated
+ * %NL80211_ATTR_WIPHY_FREQ in positive KHz. Only valid when supplied with
+ * an %NL80211_ATTR_WIPHY_FREQ_OFFSET.
+ * @NL80211_ATTR_CENTER_FREQ1_OFFSET: Center frequency offset in KHz for the
+ * first channel segment specified in %NL80211_ATTR_CENTER_FREQ1.
+ * @NL80211_ATTR_SCAN_FREQ_KHZ: nested attribute with KHz frequencies
+ *
+ * @NL80211_ATTR_HE_6GHZ_CAPABILITY: HE 6 GHz Band Capability element (from
+ * association request when used with NL80211_CMD_NEW_STATION).
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
@@ -2945,6 +2980,13 @@ enum nl80211_attrs {
NL80211_ATTR_PMK_LIFETIME,
NL80211_ATTR_PMK_REAUTH_THRESHOLD,
+ NL80211_ATTR_RECEIVE_MULTICAST,
+ NL80211_ATTR_WIPHY_FREQ_OFFSET,
+ NL80211_ATTR_CENTER_FREQ1_OFFSET,
+ NL80211_ATTR_SCAN_FREQ_KHZ,
+
+ NL80211_ATTR_HE_6GHZ_CAPABILITY,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -3523,6 +3565,8 @@ enum nl80211_mpath_info {
* defined in HE capabilities IE
* @NL80211_BAND_IFTYPE_ATTR_MAX: highest band HE capability attribute currently
* defined
+ * @NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA: HE 6GHz band capabilities (__le16),
+ * given for all 6 GHz band channels
* @__NL80211_BAND_IFTYPE_ATTR_AFTER_LAST: internal use
*/
enum nl80211_band_iftype_attr {
@@ -3533,6 +3577,7 @@ enum nl80211_band_iftype_attr {
NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY,
NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET,
NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE,
+ NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
/* keep last */
__NL80211_BAND_IFTYPE_ATTR_AFTER_LAST,
@@ -3666,6 +3711,7 @@ enum nl80211_wmm_rule {
* (see &enum nl80211_wmm_rule)
* @NL80211_FREQUENCY_ATTR_NO_HE: HE operation is not allowed on this channel
* in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_OFFSET: frequency offset in KHz
* @NL80211_FREQUENCY_ATTR_MAX: highest frequency attribute number
* currently defined
* @__NL80211_FREQUENCY_ATTR_AFTER_LAST: internal use
@@ -3696,6 +3742,7 @@ enum nl80211_frequency_attr {
NL80211_FREQUENCY_ATTR_NO_10MHZ,
NL80211_FREQUENCY_ATTR_WMM,
NL80211_FREQUENCY_ATTR_NO_HE,
+ NL80211_FREQUENCY_ATTR_OFFSET,
/* keep last */
__NL80211_FREQUENCY_ATTR_AFTER_LAST,
@@ -4466,6 +4513,7 @@ enum nl80211_bss_scan_width {
* @NL80211_BSS_CHAIN_SIGNAL: per-chain signal strength of last BSS update.
* Contains a nested array of signal strength attributes (u8, dBm),
* using the nesting index as the antenna number.
+ * @NL80211_BSS_FREQUENCY_OFFSET: frequency offset in KHz
* @__NL80211_BSS_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
@@ -4490,6 +4538,7 @@ enum nl80211_bss {
NL80211_BSS_PARENT_TSF,
NL80211_BSS_PARENT_BSSID,
NL80211_BSS_CHAIN_SIGNAL,
+ NL80211_BSS_FREQUENCY_OFFSET,
/* keep last */
__NL80211_BSS_AFTER_LAST,
@@ -4800,6 +4849,17 @@ enum nl80211_tid_config {
NL80211_TID_CONFIG_DISABLE,
};
+/* enum nl80211_tx_rate_setting - TX rate configuration type
+ * @NL80211_TX_RATE_AUTOMATIC: automatically determine TX rate
+ * @NL80211_TX_RATE_LIMITED: limit the TX rate by the TX rate parameter
+ * @NL80211_TX_RATE_FIXED: fix TX rate to the TX rate parameter
+ */
+enum nl80211_tx_rate_setting {
+ NL80211_TX_RATE_AUTOMATIC,
+ NL80211_TX_RATE_LIMITED,
+ NL80211_TX_RATE_FIXED,
+};
+
/* enum nl80211_tid_config_attr - TID specific configuration.
* @NL80211_TID_CONFIG_ATTR_PAD: pad attribute for 64-bit values
* @NL80211_TID_CONFIG_ATTR_VIF_SUPP: a bitmap (u64) of attributes supported
@@ -4807,12 +4867,10 @@ enum nl80211_tid_config {
* (%NL80211_TID_CONFIG_ATTR_TIDS, %NL80211_TID_CONFIG_ATTR_OVERRIDE).
* @NL80211_TID_CONFIG_ATTR_PEER_SUPP: same as the previous per-vif one, but
* per peer instead.
- * @NL80211_TID_CONFIG_ATTR_OVERRIDE: flag attribue, if no peer
- * is selected, if set indicates that the new configuration overrides
- * all previous peer configurations, otherwise previous peer specific
- * configurations should be left untouched. If peer is selected then
- * it will reset particular TID configuration of that peer and it will
- * not accept other TID config attributes along with peer.
+ * @NL80211_TID_CONFIG_ATTR_OVERRIDE: flag attribue, if set indicates
+ * that the new configuration overrides all previous peer
+ * configurations, otherwise previous peer specific configurations
+ * should be left untouched.
* @NL80211_TID_CONFIG_ATTR_TIDS: a bitmask value of TIDs (bit 0 to 7)
* Its type is u16.
* @NL80211_TID_CONFIG_ATTR_NOACK: Configure ack policy for the TID.
@@ -4828,12 +4886,23 @@ enum nl80211_tid_config {
* &NL80211_CMD_SET_TID_CONFIG. Its type is u8, min value is 1 and
* the max value is advertised by the driver in this attribute on
* output in wiphy capabilities.
- * @NL80211_TID_CONFIG_ATTR_AMPDU_CTRL: Enable/Disable aggregation for the TIDs
- * specified in %NL80211_TID_CONFIG_ATTR_TIDS. Its type is u8, using
- * the values from &nl80211_tid_config.
+ * @NL80211_TID_CONFIG_ATTR_AMPDU_CTRL: Enable/Disable MPDU aggregation
+ * for the TIDs specified in %NL80211_TID_CONFIG_ATTR_TIDS.
+ * Its type is u8, using the values from &nl80211_tid_config.
* @NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL: Enable/Disable RTS_CTS for the TIDs
* specified in %NL80211_TID_CONFIG_ATTR_TIDS. It is u8 type, using
* the values from &nl80211_tid_config.
+ * @NL80211_TID_CONFIG_ATTR_AMSDU_CTRL: Enable/Disable MSDU aggregation
+ * for the TIDs specified in %NL80211_TID_CONFIG_ATTR_TIDS.
+ * Its type is u8, using the values from &nl80211_tid_config.
+ * @NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE: This attribute will be useful
+ * to notfiy the driver that what type of txrate should be used
+ * for the TIDs specified in %NL80211_TID_CONFIG_ATTR_TIDS. using
+ * the values form &nl80211_tx_rate_setting.
+ * @NL80211_TID_CONFIG_ATTR_TX_RATE: Data frame TX rate mask should be applied
+ * with the parameters passed through %NL80211_ATTR_TX_RATES.
+ * configuration is applied to the data frame for the tid to that connected
+ * station.
*/
enum nl80211_tid_config_attr {
__NL80211_TID_CONFIG_ATTR_INVALID,
@@ -4847,6 +4916,9 @@ enum nl80211_tid_config_attr {
NL80211_TID_CONFIG_ATTR_RETRY_LONG,
NL80211_TID_CONFIG_ATTR_AMPDU_CTRL,
NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL,
+ NL80211_TID_CONFIG_ATTR_AMSDU_CTRL,
+ NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE,
+ NL80211_TID_CONFIG_ATTR_TX_RATE,
/* keep last */
__NL80211_TID_CONFIG_ATTR_AFTER_LAST,
@@ -5324,6 +5396,8 @@ enum plink_actions {
#define NL80211_KCK_LEN 16
#define NL80211_KEK_LEN 16
+#define NL80211_KCK_EXT_LEN 24
+#define NL80211_KEK_EXT_LEN 32
#define NL80211_REPLAY_CTR_LEN 8
/**
@@ -5332,6 +5406,7 @@ enum plink_actions {
* @NL80211_REKEY_DATA_KEK: key encryption key (binary)
* @NL80211_REKEY_DATA_KCK: key confirmation key (binary)
* @NL80211_REKEY_DATA_REPLAY_CTR: replay counter (binary)
+ * @NL80211_REKEY_DATA_AKM: AKM data (OUI, suite type)
* @NUM_NL80211_REKEY_DATA: number of rekey attributes (internal)
* @MAX_NL80211_REKEY_DATA: highest rekey attribute (internal)
*/
@@ -5340,6 +5415,7 @@ enum nl80211_rekey_data {
NL80211_REKEY_DATA_KEK,
NL80211_REKEY_DATA_KCK,
NL80211_REKEY_DATA_REPLAY_CTR,
+ NL80211_REKEY_DATA_AKM,
/* keep last */
NUM_NL80211_REKEY_DATA,
@@ -5674,6 +5750,8 @@ enum nl80211_feature_flags {
*
* @NL80211_EXT_FEATURE_BEACON_PROTECTION: The driver supports Beacon protection
* and can receive key configuration for BIGTK using key indexes 6 and 7.
+ * @NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT: The driver supports Beacon
+ * protection as a client only and cannot transmit protected beacons.
*
* @NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH: The driver can disable the
* forwarding of preauth frames over the control port. They are then
@@ -5684,6 +5762,17 @@ enum nl80211_feature_flags {
* @NL80211_EXT_FEATURE_DEL_IBSS_STA: The driver supports removing stations
* in IBSS mode, essentially by dropping their state.
*
+ * @NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS: management frame registrations
+ * are possible for multicast frames and those will be reported properly.
+ *
+ * @NL80211_EXT_FEATURE_SCAN_FREQ_KHZ: This driver supports receiving and
+ * reporting scan request with %NL80211_ATTR_SCAN_FREQ_KHZ. In order to
+ * report %NL80211_ATTR_SCAN_FREQ_KHZ, %NL80211_SCAN_FLAG_FREQ_KHZ must be
+ * included in the scan request.
+ *
+ * @NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS: The driver
+ * can report tx status for control port over nl80211 tx operations.
+ *
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
@@ -5735,6 +5824,10 @@ enum nl80211_ext_feature_index {
NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH,
NL80211_EXT_FEATURE_PROTECTED_TWT,
NL80211_EXT_FEATURE_DEL_IBSS_STA,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS,
+ NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT,
+ NL80211_EXT_FEATURE_SCAN_FREQ_KHZ,
+ NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS,
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,
@@ -5846,6 +5939,9 @@ enum nl80211_timeout_reason {
* @NL80211_SCAN_FLAG_MIN_PREQ_CONTENT: minimize probe request content to
* only have supported rates and no additional capabilities (unless
* added by userspace explicitly.)
+ * @NL80211_SCAN_FLAG_FREQ_KHZ: report scan results with
+ * %NL80211_ATTR_SCAN_FREQ_KHZ. This also means
+ * %NL80211_ATTR_SCAN_FREQUENCIES will not be included.
*/
enum nl80211_scan_flags {
NL80211_SCAN_FLAG_LOW_PRIORITY = 1<<0,
@@ -5861,6 +5957,7 @@ enum nl80211_scan_flags {
NL80211_SCAN_FLAG_HIGH_ACCURACY = 1<<10,
NL80211_SCAN_FLAG_RANDOM_SN = 1<<11,
NL80211_SCAN_FLAG_MIN_PREQ_CONTENT = 1<<12,
+ NL80211_SCAN_FLAG_FREQ_KHZ = 1<<13,
};
/**
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index 9f06d29cab70..7576209d96f9 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -134,6 +134,7 @@ enum tca_id {
TCA_ID_CTINFO,
TCA_ID_MPLS,
TCA_ID_CT,
+ TCA_ID_GATE,
/* other actions go here */
__TCA_ID_MAX = 255
};
@@ -575,6 +576,8 @@ enum {
TCA_FLOWER_KEY_CT_LABELS, /* u128 */
TCA_FLOWER_KEY_CT_LABELS_MASK, /* u128 */
+ TCA_FLOWER_KEY_MPLS_OPTS,
+
__TCA_FLOWER_MAX,
};
@@ -640,6 +643,27 @@ enum {
(__TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX - 1)
enum {
+ TCA_FLOWER_KEY_MPLS_OPTS_UNSPEC,
+ TCA_FLOWER_KEY_MPLS_OPTS_LSE,
+ __TCA_FLOWER_KEY_MPLS_OPTS_MAX,
+};
+
+#define TCA_FLOWER_KEY_MPLS_OPTS_MAX (__TCA_FLOWER_KEY_MPLS_OPTS_MAX - 1)
+
+enum {
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_UNSPEC,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_TC,
+ TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL,
+ __TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX,
+};
+
+#define TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX \
+ (__TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX - 1)
+
+enum {
TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
};
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index 0c02737c8f47..a95f3ae7ab37 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -913,6 +913,10 @@ enum {
TCA_FQ_TIMER_SLACK, /* timer slack */
+ TCA_FQ_HORIZON, /* time horizon in us */
+
+ TCA_FQ_HORIZON_DROP, /* drop packets beyond horizon, or cap their EDT */
+
__TCA_FQ_MAX
};
@@ -932,6 +936,8 @@ struct tc_fq_qd_stats {
__u32 throttled_flows;
__u32 unthrottle_latency_ns;
__u64 ce_mark; /* packets above ce_threshold */
+ __u64 horizon_drops;
+ __u64 horizon_caps;
};
/* Heavy-Hitter Filter */
diff --git a/include/uapi/linux/psample.h b/include/uapi/linux/psample.h
index ce1116cff53d..aea26ab1431c 100644
--- a/include/uapi/linux/psample.h
+++ b/include/uapi/linux/psample.h
@@ -11,6 +11,7 @@ enum {
PSAMPLE_ATTR_GROUP_SEQ,
PSAMPLE_ATTR_SAMPLE_RATE,
PSAMPLE_ATTR_DATA,
+ PSAMPLE_ATTR_TUNNEL,
/* commands attributes */
PSAMPLE_ATTR_GROUP_REFCOUNT,
@@ -25,6 +26,27 @@ enum psample_command {
PSAMPLE_CMD_DEL_GROUP,
};
+enum psample_tunnel_key_attr {
+ PSAMPLE_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */
+ PSAMPLE_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */
+ PSAMPLE_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */
+ PSAMPLE_TUNNEL_KEY_ATTR_TOS, /* u8 Tunnel IP ToS. */
+ PSAMPLE_TUNNEL_KEY_ATTR_TTL, /* u8 Tunnel IP TTL. */
+ PSAMPLE_TUNNEL_KEY_ATTR_DONT_FRAGMENT, /* No argument, set DF. */
+ PSAMPLE_TUNNEL_KEY_ATTR_CSUM, /* No argument. CSUM packet. */
+ PSAMPLE_TUNNEL_KEY_ATTR_OAM, /* No argument. OAM frame. */
+ PSAMPLE_TUNNEL_KEY_ATTR_GENEVE_OPTS, /* Array of Geneve options. */
+ PSAMPLE_TUNNEL_KEY_ATTR_TP_SRC, /* be16 src Transport Port. */
+ PSAMPLE_TUNNEL_KEY_ATTR_TP_DST, /* be16 dst Transport Port. */
+ PSAMPLE_TUNNEL_KEY_ATTR_VXLAN_OPTS, /* Nested VXLAN opts* */
+ PSAMPLE_TUNNEL_KEY_ATTR_IPV6_SRC, /* struct in6_addr src IPv6 address. */
+ PSAMPLE_TUNNEL_KEY_ATTR_IPV6_DST, /* struct in6_addr dst IPv6 address. */
+ PSAMPLE_TUNNEL_KEY_ATTR_PAD,
+ PSAMPLE_TUNNEL_KEY_ATTR_ERSPAN_OPTS, /* struct erspan_metadata */
+ PSAMPLE_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE, /* No argument. IPV4_INFO_BRIDGE mode.*/
+ __PSAMPLE_TUNNEL_KEY_ATTR_MAX
+};
+
/* Can be overridden at runtime by module option */
#define PSAMPLE_ATTR_MAX (__PSAMPLE_ATTR_MAX - 1)
diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h
index 0549a5c622bf..91b4c63d5cbf 100644
--- a/include/uapi/linux/psp-sev.h
+++ b/include/uapi/linux/psp-sev.h
@@ -83,6 +83,8 @@ struct sev_user_data_status {
__u32 guest_count; /* Out */
} __packed;
+#define SEV_STATUS_FLAGS_CONFIG_ES 0x0100
+
/**
* struct sev_user_data_pek_csr - PEK_CSR command parameters
*
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 9dc9d0079e98..ff070aa64278 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -89,7 +89,9 @@ struct ptp_clock_caps {
int n_pins; /* Number of input/output pins. */
/* Whether the clock supports precise system-device cross timestamps */
int cross_timestamping;
- int rsv[13]; /* Reserved for future use. */
+ /* Whether the clock supports adjust phase */
+ int adjust_phase;
+ int rsv[12]; /* Reserved for future use. */
};
struct ptp_extts_request {
diff --git a/include/uapi/linux/rtnetlink.h b/include/uapi/linux/rtnetlink.h
index 4a8c5b745157..073e71ef6bdd 100644
--- a/include/uapi/linux/rtnetlink.h
+++ b/include/uapi/linux/rtnetlink.h
@@ -609,11 +609,17 @@ enum {
TCA_HW_OFFLOAD,
TCA_INGRESS_BLOCK,
TCA_EGRESS_BLOCK,
+ TCA_DUMP_FLAGS,
__TCA_MAX
};
#define TCA_MAX (__TCA_MAX - 1)
+#define TCA_DUMP_FLAGS_TERSE (1 << 0) /* Means that in dump user gets only basic
+ * data necessary to identify the objects
+ * (handle, cookie, etc.) and stats.
+ */
+
#define TCA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
#define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h
index ad80a5c885d5..82cc58fe9368 100644
--- a/include/uapi/linux/stat.h
+++ b/include/uapi/linux/stat.h
@@ -123,7 +123,10 @@ struct statx {
__u32 stx_dev_major; /* ID of device containing file [uncond] */
__u32 stx_dev_minor;
/* 0x90 */
- __u64 __spare2[14]; /* Spare space for future expansion */
+ __u64 stx_mnt_id;
+ __u64 __spare2;
+ /* 0xa0 */
+ __u64 __spare3[12]; /* Spare space for future expansion */
/* 0x100 */
};
@@ -148,9 +151,19 @@ struct statx {
#define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
-#define STATX_ALL 0x00000fffU /* All currently supported flags */
+#define STATX_MNT_ID 0x00001000U /* Got stx_mnt_id */
+
#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
+#ifndef __KERNEL__
+/*
+ * This is deprecated, and shall remain the same value in the future. To avoid
+ * confusion please use the equivalent (STATX_BASIC_STATS | STATX_BTIME)
+ * instead.
+ */
+#define STATX_ALL 0x00000fffU
+#endif
+
/*
* Attributes to be found in stx_attributes and masked in stx_attributes_mask.
*
@@ -168,7 +181,9 @@ struct statx {
#define STATX_ATTR_NODUMP 0x00000040 /* [I] File is not to be dumped */
#define STATX_ATTR_ENCRYPTED 0x00000800 /* [I] File requires key to decrypt in fs */
#define STATX_ATTR_AUTOMOUNT 0x00001000 /* Dir: Automount trigger */
+#define STATX_ATTR_MOUNT_ROOT 0x00002000 /* Root of a mount */
#define STATX_ATTR_VERITY 0x00100000 /* [I] Verity protected file */
+#define STATX_ATTR_DAX 0x00002000 /* [I] File is DAX */
#endif /* _UAPI_LINUX_STAT_H */
diff --git a/include/uapi/linux/tc_act/tc_gate.h b/include/uapi/linux/tc_act/tc_gate.h
new file mode 100644
index 000000000000..f214b3a6d44f
--- /dev/null
+++ b/include/uapi/linux/tc_act/tc_gate.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/* Copyright 2020 NXP */
+
+#ifndef __LINUX_TC_GATE_H
+#define __LINUX_TC_GATE_H
+
+#include <linux/pkt_cls.h>
+
+struct tc_gate {
+ tc_gen;
+};
+
+enum {
+ TCA_GATE_ENTRY_UNSPEC,
+ TCA_GATE_ENTRY_INDEX,
+ TCA_GATE_ENTRY_GATE,
+ TCA_GATE_ENTRY_INTERVAL,
+ TCA_GATE_ENTRY_IPV,
+ TCA_GATE_ENTRY_MAX_OCTETS,
+ __TCA_GATE_ENTRY_MAX,
+};
+#define TCA_GATE_ENTRY_MAX (__TCA_GATE_ENTRY_MAX - 1)
+
+enum {
+ TCA_GATE_ONE_ENTRY_UNSPEC,
+ TCA_GATE_ONE_ENTRY,
+ __TCA_GATE_ONE_ENTRY_MAX,
+};
+#define TCA_GATE_ONE_ENTRY_MAX (__TCA_GATE_ONE_ENTRY_MAX - 1)
+
+enum {
+ TCA_GATE_UNSPEC,
+ TCA_GATE_TM,
+ TCA_GATE_PARMS,
+ TCA_GATE_PAD,
+ TCA_GATE_PRIORITY,
+ TCA_GATE_ENTRY_LIST,
+ TCA_GATE_BASE_TIME,
+ TCA_GATE_CYCLE_TIME,
+ TCA_GATE_CYCLE_TIME_EXT,
+ TCA_GATE_FLAGS,
+ TCA_GATE_CLOCKID,
+ __TCA_GATE_MAX,
+};
+#define TCA_GATE_MAX (__TCA_GATE_MAX - 1)
+
+#endif
diff --git a/include/uapi/linux/usb/raw_gadget.h b/include/uapi/linux/usb/raw_gadget.h
index ea375082b3ac..0be685272eb1 100644
--- a/include/uapi/linux/usb/raw_gadget.h
+++ b/include/uapi/linux/usb/raw_gadget.h
@@ -93,6 +93,64 @@ struct usb_raw_ep_io {
__u8 data[0];
};
+/* Maximum number of non-control endpoints in struct usb_raw_eps_info. */
+#define USB_RAW_EPS_NUM_MAX 30
+
+/* Maximum length of UDC endpoint name in struct usb_raw_ep_info. */
+#define USB_RAW_EP_NAME_MAX 16
+
+/* Used as addr in struct usb_raw_ep_info if endpoint accepts any address. */
+#define USB_RAW_EP_ADDR_ANY 0xff
+
+/*
+ * struct usb_raw_ep_caps - exposes endpoint capabilities from struct usb_ep
+ * (technically from its member struct usb_ep_caps).
+ */
+struct usb_raw_ep_caps {
+ __u32 type_control : 1;
+ __u32 type_iso : 1;
+ __u32 type_bulk : 1;
+ __u32 type_int : 1;
+ __u32 dir_in : 1;
+ __u32 dir_out : 1;
+};
+
+/*
+ * struct usb_raw_ep_limits - exposes endpoint limits from struct usb_ep.
+ * @maxpacket_limit: Maximum packet size value supported by this endpoint.
+ * @max_streams: maximum number of streams supported by this endpoint
+ * (actual number is 2^n).
+ * @reserved: Empty, reserved for potential future extensions.
+ */
+struct usb_raw_ep_limits {
+ __u16 maxpacket_limit;
+ __u16 max_streams;
+ __u32 reserved;
+};
+
+/*
+ * struct usb_raw_ep_info - stores information about a gadget endpoint.
+ * @name: Name of the endpoint as it is defined in the UDC driver.
+ * @addr: Address of the endpoint that must be specified in the endpoint
+ * descriptor passed to USB_RAW_IOCTL_EP_ENABLE ioctl.
+ * @caps: Endpoint capabilities.
+ * @limits: Endpoint limits.
+ */
+struct usb_raw_ep_info {
+ __u8 name[USB_RAW_EP_NAME_MAX];
+ __u32 addr;
+ struct usb_raw_ep_caps caps;
+ struct usb_raw_ep_limits limits;
+};
+
+/*
+ * struct usb_raw_eps_info - argument for USB_RAW_IOCTL_EPS_INFO ioctl.
+ * eps: Structures that store information about non-control endpoints.
+ */
+struct usb_raw_eps_info {
+ struct usb_raw_ep_info eps[USB_RAW_EPS_NUM_MAX];
+};
+
/*
* Initializes a Raw Gadget instance.
* Accepts a pointer to the usb_raw_init struct as an argument.
@@ -115,37 +173,38 @@ struct usb_raw_ep_io {
#define USB_RAW_IOCTL_EVENT_FETCH _IOR('U', 2, struct usb_raw_event)
/*
- * Queues an IN (OUT for READ) urb as a response to the last control request
- * received on endpoint 0, provided that was an IN (OUT for READ) request and
- * waits until the urb is completed. Copies received data to user for READ.
+ * Queues an IN (OUT for READ) request as a response to the last setup request
+ * received on endpoint 0 (provided that was an IN (OUT for READ) request), and
+ * waits until the request is completed. Copies received data to user for READ.
* Accepts a pointer to the usb_raw_ep_io struct as an argument.
- * Returns length of trasferred data on success or negative error code on
+ * Returns length of transferred data on success or negative error code on
* failure.
*/
#define USB_RAW_IOCTL_EP0_WRITE _IOW('U', 3, struct usb_raw_ep_io)
#define USB_RAW_IOCTL_EP0_READ _IOWR('U', 4, struct usb_raw_ep_io)
/*
- * Finds an endpoint that supports the transfer type specified in the
- * descriptor and enables it.
- * Accepts a pointer to the usb_endpoint_descriptor struct as an argument.
+ * Finds an endpoint that satisfies the parameters specified in the provided
+ * descriptors (address, transfer type, etc.) and enables it.
+ * Accepts a pointer to the usb_raw_ep_descs struct as an argument.
* Returns enabled endpoint handle on success or negative error code on failure.
*/
#define USB_RAW_IOCTL_EP_ENABLE _IOW('U', 5, struct usb_endpoint_descriptor)
-/* Disables specified endpoint.
+/*
+ * Disables specified endpoint.
* Accepts endpoint handle as an argument.
* Returns 0 on success or negative error code on failure.
*/
#define USB_RAW_IOCTL_EP_DISABLE _IOW('U', 6, __u32)
/*
- * Queues an IN (OUT for READ) urb as a response to the last control request
- * received on endpoint usb_raw_ep_io.ep, provided that was an IN (OUT for READ)
- * request and waits until the urb is completed. Copies received data to user
- * for READ.
+ * Queues an IN (OUT for READ) request as a response to the last setup request
+ * received on endpoint usb_raw_ep_io.ep (provided that was an IN (OUT for READ)
+ * request), and waits until the request is completed. Copies received data to
+ * user for READ.
* Accepts a pointer to the usb_raw_ep_io struct as an argument.
- * Returns length of trasferred data on success or negative error code on
+ * Returns length of transferred data on success or negative error code on
* failure.
*/
#define USB_RAW_IOCTL_EP_WRITE _IOW('U', 7, struct usb_raw_ep_io)
@@ -164,4 +223,27 @@ struct usb_raw_ep_io {
*/
#define USB_RAW_IOCTL_VBUS_DRAW _IOW('U', 10, __u32)
+/*
+ * Fills in the usb_raw_eps_info structure with information about non-control
+ * endpoints available for the currently connected UDC.
+ * Returns the number of available endpoints on success or negative error code
+ * on failure.
+ */
+#define USB_RAW_IOCTL_EPS_INFO _IOR('U', 11, struct usb_raw_eps_info)
+
+/*
+ * Stalls a pending control request on endpoint 0.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP0_STALL _IO('U', 12)
+
+/*
+ * Sets or clears halt or wedge status of the endpoint.
+ * Accepts endpoint handle as an argument.
+ * Returns 0 on success or negative error code on failure.
+ */
+#define USB_RAW_IOCTL_EP_SET_HALT _IOW('U', 13, __u32)
+#define USB_RAW_IOCTL_EP_CLEAR_HALT _IOW('U', 14, __u32)
+#define USB_RAW_IOCTL_EP_SET_WEDGE _IOW('U', 15, __u32)
+
#endif /* _UAPI__LINUX_USB_RAW_GADGET_H */
diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h
index 19974392d324..dc3e656470dd 100644
--- a/include/uapi/linux/virtio_balloon.h
+++ b/include/uapi/linux/virtio_balloon.h
@@ -48,8 +48,15 @@ struct virtio_balloon_config {
__u32 num_pages;
/* Number of pages we've actually got in balloon. */
__u32 actual;
- /* Free page report command id, readonly by guest */
- __u32 free_page_report_cmd_id;
+ /*
+ * Free page hint command id, readonly by guest.
+ * Was previously named free_page_report_cmd_id so we
+ * need to carry that name for legacy support.
+ */
+ union {
+ __u32 free_page_hint_cmd_id;
+ __u32 free_page_report_cmd_id; /* deprecated */
+ };
/* Stores PAGE_POISON if page poisoning is in use */
__u32 poison_val;
};
diff --git a/include/uapi/linux/wireless.h b/include/uapi/linux/wireless.h
index a2c006a364e0..24f3371ad826 100644
--- a/include/uapi/linux/wireless.h
+++ b/include/uapi/linux/wireless.h
@@ -74,7 +74,11 @@
#include <linux/socket.h> /* for "struct sockaddr" et al */
#include <linux/if.h> /* for IFNAMSIZ and co... */
-#include <stddef.h> /* for offsetof */
+#ifdef __KERNEL__
+# include <linux/stddef.h> /* for offsetof */
+#else
+# include <stddef.h> /* for offsetof */
+#endif
/***************************** VERSION *****************************/
/*
diff --git a/include/uapi/linux/xfrm.h b/include/uapi/linux/xfrm.h
index 5f3b9fec7b5f..ff7cfdc6cb44 100644
--- a/include/uapi/linux/xfrm.h
+++ b/include/uapi/linux/xfrm.h
@@ -304,7 +304,7 @@ enum xfrm_attr_type_t {
XFRMA_PROTO, /* __u8 */
XFRMA_ADDRESS_FILTER, /* struct xfrm_address_filter */
XFRMA_PAD,
- XFRMA_OFFLOAD_DEV, /* struct xfrm_state_offload */
+ XFRMA_OFFLOAD_DEV, /* struct xfrm_user_offload */
XFRMA_SET_MARK, /* __u32 */
XFRMA_SET_MARK_MASK, /* __u32 */
XFRMA_IF_ID, /* __u32 */
diff --git a/include/uapi/rdma/rdma_user_ioctl_cmds.h b/include/uapi/rdma/rdma_user_ioctl_cmds.h
index 7b1ec806f8f9..38ab7accb7be 100644
--- a/include/uapi/rdma/rdma_user_ioctl_cmds.h
+++ b/include/uapi/rdma/rdma_user_ioctl_cmds.h
@@ -36,7 +36,7 @@
#include <linux/types.h>
#include <linux/ioctl.h>
-/* Documentation/ioctl/ioctl-number.rst */
+/* Documentation/userspace-api/ioctl/ioctl-number.rst */
#define RDMA_IOCTL_MAGIC 0x1b
#define RDMA_VERBS_IOCTL \
_IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr)
diff --git a/include/uapi/scsi/scsi_bsg_fc.h b/include/uapi/scsi/scsi_bsg_fc.h
index 7f5930801f72..3ae65e93235c 100644
--- a/include/uapi/scsi/scsi_bsg_fc.h
+++ b/include/uapi/scsi/scsi_bsg_fc.h
@@ -209,7 +209,7 @@ struct fc_bsg_host_vendor {
__u64 vendor_id;
/* start of vendor command area */
- __u32 vendor_cmd[];
+ __u32 vendor_cmd[0];
};
/* Response:
diff --git a/include/vdso/datapage.h b/include/vdso/datapage.h
index 5cbc9fcbfd45..7955c56d6b3c 100644
--- a/include/vdso/datapage.h
+++ b/include/vdso/datapage.h
@@ -73,8 +73,8 @@ struct vdso_timestamp {
*
* @offset is used by the special time namespace VVAR pages which are
* installed instead of the real VVAR page. These namespace pages must set
- * @seq to 1 and @clock_mode to VLOCK_TIMENS to force the code into the
- * time namespace slow path. The namespace aware functions retrieve the
+ * @seq to 1 and @clock_mode to VDSO_CLOCKMODE_TIMENS to force the code into
+ * the time namespace slow path. The namespace aware functions retrieve the
* real system wide VVAR page, read host time and add the per clock offset.
* For clocks which are not affected by time namespace adjustment the
* offset must be zero.
diff --git a/init/Kconfig b/init/Kconfig
index 9e22ee8fbd75..fdb4f52609c6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -23,6 +23,9 @@ config LD_VERSION
config CC_IS_CLANG
def_bool $(success,$(CC) --version | head -n 1 | grep -q clang)
+config LD_IS_LLD
+ def_bool $(success,$(LD) -v | head -n 1 | grep -q LLD)
+
config CLANG_VERSION
int
default $(shell,$(srctree)/scripts/clang-version.sh $(CC))
@@ -39,22 +42,6 @@ config TOOLS_SUPPORT_RELR
config CC_HAS_ASM_INLINE
def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null)
-config CC_HAS_WARN_MAYBE_UNINITIALIZED
- def_bool $(cc-option,-Wmaybe-uninitialized)
- help
- GCC >= 4.7 supports this option.
-
-config CC_DISABLE_WARN_MAYBE_UNINITIALIZED
- bool
- depends on CC_HAS_WARN_MAYBE_UNINITIALIZED
- default CC_IS_GCC && GCC_VERSION < 40900 # unreliable for GCC < 4.9
- help
- GCC's -Wmaybe-uninitialized is not reliable by definition.
- Lots of false positive warnings are produced in some cases.
-
- If this option is enabled, -Wno-maybe-uninitialzed is passed
- to the compiler to suppress maybe-uninitialized warnings.
-
config CONSTRUCTORS
bool
depends on !UML
@@ -835,24 +822,9 @@ config MEMCG
Provides control over the memory footprint of tasks in a cgroup.
config MEMCG_SWAP
- bool "Swap controller"
+ bool
depends on MEMCG && SWAP
- help
- Provides control over the swap space consumed by tasks in a cgroup.
-
-config MEMCG_SWAP_ENABLED
- bool "Swap controller enabled by default"
- depends on MEMCG_SWAP
default y
- help
- Memory Resource Controller Swap Extension comes with its price in
- a bigger memory consumption. General purpose distribution kernels
- which want to enable the feature but keep it disabled by default
- and let the user enable it by swapaccount=1 boot command line
- parameter should have this option unselected.
- For those who want to have the feature enabled by default should
- select this option (if, for some reason, they need to disable it
- then swapaccount=0 does the trick).
config MEMCG_KMEM
bool
@@ -1257,14 +1229,12 @@ config CC_OPTIMIZE_FOR_PERFORMANCE
config CC_OPTIMIZE_FOR_PERFORMANCE_O3
bool "Optimize more for performance (-O3)"
depends on ARC
- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives
help
Choosing this option will pass "-O3" to your compiler to optimize
the kernel yet more for performance.
config CC_OPTIMIZE_FOR_SIZE
bool "Optimize for size (-Os)"
- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives
help
Choosing this option will pass "-Os" to your compiler resulting
in a smaller kernel.
@@ -2279,6 +2249,9 @@ config ASN1
source "kernel/Kconfig.locks"
+config ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
+ bool
+
config ARCH_HAS_SYNC_CORE_BEFORE_USERMODE
bool
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index dab8b1151b56..d72beda824aa 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -28,7 +28,7 @@ static int __init no_initrd(char *str)
__setup("noinitrd", no_initrd);
-static int __init early_initrd(char *p)
+static int __init early_initrdmem(char *p)
{
phys_addr_t start;
unsigned long size;
@@ -43,6 +43,17 @@ static int __init early_initrd(char *p)
}
return 0;
}
+early_param("initrdmem", early_initrdmem);
+
+/*
+ * This is here as the initrd keyword has been in use since 11/2018
+ * on ARM, PowerPC, and MIPS.
+ * It should not be; it is reserved for bootloaders.
+ */
+static int __init early_initrd(char *p)
+{
+ return early_initrdmem(p);
+}
early_param("initrd", early_initrd);
static int init_linuxrc(struct subprocess_info *info, struct cred *new)
diff --git a/init/init_task.c b/init/init_task.c
index bd403ed3e418..15303d58d9db 100644
--- a/init/init_task.c
+++ b/init/init_task.c
@@ -11,6 +11,7 @@
#include <linux/mm.h>
#include <linux/audit.h>
#include <linux/numa.h>
+#include <linux/scs.h>
#include <asm/pgtable.h>
#include <linux/uaccess.h>
@@ -50,6 +51,13 @@ static struct sighand_struct init_sighand = {
.signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(init_sighand.signalfd_wqh),
};
+#ifdef CONFIG_SHADOW_CALL_STACK
+unsigned long init_shadow_call_stack[SCS_SIZE / sizeof(long)]
+ __init_task_data = {
+ [(SCS_SIZE / sizeof(long)) - 1] = SCS_END_MAGIC
+};
+#endif
+
/*
* Set up the first task table, touch at your own risk!. Base=0,
* limit=0x1fffff (=2MB)
@@ -141,6 +149,11 @@ struct task_struct init_task
.rcu_tasks_holdout_list = LIST_HEAD_INIT(init_task.rcu_tasks_holdout_list),
.rcu_tasks_idle_cpu = -1,
#endif
+#ifdef CONFIG_TASKS_TRACE_RCU
+ .trc_reader_nesting = 0,
+ .trc_reader_special.s = 0,
+ .trc_holdout_list = LIST_HEAD_INIT(init_task.trc_holdout_list),
+#endif
#ifdef CONFIG_CPUSETS
.mems_allowed_seq = SEQCNT_ZERO(init_task.mems_allowed_seq),
#endif
diff --git a/init/initramfs.c b/init/initramfs.c
index 8ec1be4d7d51..7a38012e1af7 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -542,7 +542,7 @@ void __weak free_initrd_mem(unsigned long start, unsigned long end)
}
#ifdef CONFIG_KEXEC_CORE
-static bool kexec_free_initrd(void)
+static bool __init kexec_free_initrd(void)
{
unsigned long crashk_start = (unsigned long)__va(crashk_res.start);
unsigned long crashk_end = (unsigned long)__va(crashk_res.end);
diff --git a/init/main.c b/init/main.c
index a48617f2e5e5..df32f67214d2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -63,6 +63,7 @@
#include <linux/debugobjects.h>
#include <linux/lockdep.h>
#include <linux/kmemleak.h>
+#include <linux/padata.h>
#include <linux/pid_namespace.h>
#include <linux/device/driver.h>
#include <linux/kthread.h>
@@ -257,6 +258,47 @@ static int __init loglevel(char *str)
early_param("loglevel", loglevel);
+#ifdef CONFIG_BLK_DEV_INITRD
+static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum)
+{
+ u32 size, csum;
+ char *data;
+ u32 *hdr;
+
+ if (!initrd_end)
+ return NULL;
+
+ data = (char *)initrd_end - BOOTCONFIG_MAGIC_LEN;
+ if (memcmp(data, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN))
+ return NULL;
+
+ hdr = (u32 *)(data - 8);
+ size = hdr[0];
+ csum = hdr[1];
+
+ data = ((void *)hdr) - size;
+ if ((unsigned long)data < initrd_start) {
+ pr_err("bootconfig size %d is greater than initrd size %ld\n",
+ size, initrd_end - initrd_start);
+ return NULL;
+ }
+
+ /* Remove bootconfig from initramfs/initrd */
+ initrd_end = (unsigned long)data;
+ if (_size)
+ *_size = size;
+ if (_csum)
+ *_csum = csum;
+
+ return data;
+}
+#else
+static void * __init get_boot_config_from_initrd(u32 *_size, u32 *_csum)
+{
+ return NULL;
+}
+#endif
+
#ifdef CONFIG_BOOT_CONFIG
char xbc_namebuf[XBC_KEYLEN_MAX] __initdata;
@@ -357,9 +399,11 @@ static void __init setup_boot_config(const char *cmdline)
int pos;
u32 size, csum;
char *data, *copy;
- u32 *hdr;
int ret;
+ /* Cut out the bootconfig data even if we have no bootconfig option */
+ data = get_boot_config_from_initrd(&size, &csum);
+
strlcpy(tmp_cmdline, boot_command_line, COMMAND_LINE_SIZE);
parse_args("bootconfig", tmp_cmdline, NULL, 0, 0, 0, NULL,
bootconfig_params);
@@ -367,16 +411,10 @@ static void __init setup_boot_config(const char *cmdline)
if (!bootconfig_found)
return;
- if (!initrd_end)
- goto not_found;
-
- data = (char *)initrd_end - BOOTCONFIG_MAGIC_LEN;
- if (memcmp(data, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN))
- goto not_found;
-
- hdr = (u32 *)(data - 8);
- size = hdr[0];
- csum = hdr[1];
+ if (!data) {
+ pr_err("'bootconfig' found on command line, but no bootconfig found\n");
+ return;
+ }
if (size >= XBC_DATA_MAX) {
pr_err("bootconfig size %d greater than max size %d\n",
@@ -384,10 +422,6 @@ static void __init setup_boot_config(const char *cmdline)
return;
}
- data = ((void *)hdr) - size;
- if ((unsigned long)data < initrd_start)
- goto not_found;
-
if (boot_config_checksum((unsigned char *)data, size) != csum) {
pr_err("bootconfig checksum failed\n");
return;
@@ -417,11 +451,15 @@ static void __init setup_boot_config(const char *cmdline)
extra_init_args = xbc_make_cmdline("init");
}
return;
-not_found:
- pr_err("'bootconfig' found on command line, but no bootconfig found\n");
}
+
#else
-#define setup_boot_config(cmdline) do { } while (0)
+
+static void __init setup_boot_config(const char *cmdline)
+{
+ /* Remove bootconfig data from initrd */
+ get_boot_config_from_initrd(NULL, NULL);
+}
static int __init warn_bootconfig(char *str)
{
@@ -1001,6 +1039,8 @@ asmlinkage __visible void __init start_kernel(void)
/* Do the rest non-__init'ed, we're now alive */
arch_call_rest_init();
+
+ prevent_tail_call_optimization();
}
/* Call all constructor functions linked into the kernel. */
@@ -1443,6 +1483,7 @@ static noinline void __init kernel_init_freeable(void)
smp_init();
sched_init_smp();
+ padata_init();
page_alloc_init_late();
/* Initialize page ext after all struct pages are initialized. */
page_ext_init();
diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index affd66537e87..d1b8644bfb88 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -24,7 +24,7 @@ static void *get_ipc(struct ctl_table *table)
#ifdef CONFIG_PROC_SYSCTL
static int proc_ipc_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table ipc_table;
@@ -35,7 +35,7 @@ static int proc_ipc_dointvec(struct ctl_table *table, int write,
}
static int proc_ipc_dointvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table ipc_table;
@@ -46,7 +46,7 @@ static int proc_ipc_dointvec_minmax(struct ctl_table *table, int write,
}
static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ipc_namespace *ns = current->nsproxy->ipc_ns;
int err = proc_ipc_dointvec_minmax(table, write, buffer, lenp, ppos);
@@ -59,7 +59,7 @@ static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write,
}
static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table ipc_table;
memcpy(&ipc_table, table, sizeof(ipc_table));
@@ -70,7 +70,7 @@ static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write,
}
static int proc_ipc_auto_msgmni(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table ipc_table;
int dummy = 0;
diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c
index 7c00f28923a8..72a92a08c848 100644
--- a/ipc/mq_sysctl.c
+++ b/ipc/mq_sysctl.c
@@ -19,7 +19,7 @@ static void *get_mq(struct ctl_table *table)
}
static int proc_mq_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table mq_table;
memcpy(&mq_table, table, sizeof(mq_table));
@@ -29,7 +29,7 @@ static int proc_mq_dointvec(struct ctl_table *table, int write,
}
static int proc_mq_dointvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table mq_table;
memcpy(&mq_table, table, sizeof(mq_table));
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index dc8307bf2d74..beff0cfcd1e8 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -142,6 +142,7 @@ struct mqueue_inode_info {
struct sigevent notify;
struct pid *notify_owner;
+ u32 notify_self_exec_id;
struct user_namespace *notify_user_ns;
struct user_struct *user; /* user who created, for accounting */
struct sock *notify_sock;
@@ -773,28 +774,44 @@ static void __do_notify(struct mqueue_inode_info *info)
* synchronously. */
if (info->notify_owner &&
info->attr.mq_curmsgs == 1) {
- struct kernel_siginfo sig_i;
switch (info->notify.sigev_notify) {
case SIGEV_NONE:
break;
- case SIGEV_SIGNAL:
- /* sends signal */
+ case SIGEV_SIGNAL: {
+ struct kernel_siginfo sig_i;
+ struct task_struct *task;
+
+ /* do_mq_notify() accepts sigev_signo == 0, why?? */
+ if (!info->notify.sigev_signo)
+ break;
clear_siginfo(&sig_i);
sig_i.si_signo = info->notify.sigev_signo;
sig_i.si_errno = 0;
sig_i.si_code = SI_MESGQ;
sig_i.si_value = info->notify.sigev_value;
- /* map current pid/uid into info->owner's namespaces */
rcu_read_lock();
+ /* map current pid/uid into info->owner's namespaces */
sig_i.si_pid = task_tgid_nr_ns(current,
ns_of_pid(info->notify_owner));
- sig_i.si_uid = from_kuid_munged(info->notify_user_ns, current_uid());
+ sig_i.si_uid = from_kuid_munged(info->notify_user_ns,
+ current_uid());
+ /*
+ * We can't use kill_pid_info(), this signal should
+ * bypass check_kill_permission(). It is from kernel
+ * but si_fromuser() can't know this.
+ * We do check the self_exec_id, to avoid sending
+ * signals to programs that don't expect them.
+ */
+ task = pid_task(info->notify_owner, PIDTYPE_TGID);
+ if (task && task->self_exec_id ==
+ info->notify_self_exec_id) {
+ do_send_sig_info(info->notify.sigev_signo,
+ &sig_i, task, PIDTYPE_TGID);
+ }
rcu_read_unlock();
-
- kill_pid_info(info->notify.sigev_signo,
- &sig_i, info->notify_owner);
break;
+ }
case SIGEV_THREAD:
set_cookie(info->notify_cookie, NOTIFY_WOKENUP);
netlink_sendskb(info->notify_sock, info->notify_cookie);
@@ -1383,6 +1400,7 @@ retry:
info->notify.sigev_signo = notification->sigev_signo;
info->notify.sigev_value = notification->sigev_value;
info->notify.sigev_notify = SIGEV_SIGNAL;
+ info->notify_self_exec_id = current->self_exec_id;
break;
}
diff --git a/ipc/namespace.c b/ipc/namespace.c
index b3ca1476ca51..fdc3b5f3f53a 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -177,15 +177,14 @@ static void ipcns_put(struct ns_common *ns)
return put_ipc_ns(to_ipc_ns(ns));
}
-static int ipcns_install(struct nsproxy *nsproxy, struct ns_common *new)
+static int ipcns_install(struct nsset *nsset, struct ns_common *new)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct ipc_namespace *ns = to_ipc_ns(new);
if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
return -EPERM;
- /* Ditch state from the old ipc namespace */
- exit_sem(current);
put_ipc_ns(nsproxy->ipc_ns);
nsproxy->ipc_ns = get_ipc_ns(ns);
return 0;
diff --git a/ipc/util.c b/ipc/util.c
index 7acccfded7cb..cfa0045e748d 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -764,21 +764,21 @@ static struct kern_ipc_perm *sysvipc_find_ipc(struct ipc_ids *ids, loff_t pos,
total++;
}
- *new_pos = pos + 1;
+ ipc = NULL;
if (total >= ids->in_use)
- return NULL;
+ goto out;
for (; pos < ipc_mni; pos++) {
ipc = idr_find(&ids->ipcs_idr, pos);
if (ipc != NULL) {
rcu_read_lock();
ipc_lock_object(ipc);
- return ipc;
+ break;
}
}
-
- /* Out of range - return NULL to terminate iteration */
- return NULL;
+out:
+ *new_pos = pos + 1;
+ return ipc;
}
static void *sysvipc_proc_next(struct seq_file *s, void *it, loff_t *pos)
diff --git a/kernel/Makefile b/kernel/Makefile
index 4cb4130ced32..c332eb9d4841 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -103,6 +103,7 @@ obj-$(CONFIG_TRACEPOINTS) += trace/
obj-$(CONFIG_IRQ_WORK) += irq_work.o
obj-$(CONFIG_CPU_PM) += cpu_pm.o
obj-$(CONFIG_BPF) += bpf/
+obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
obj-$(CONFIG_PERF_EVENTS) += events/
diff --git a/kernel/audit.c b/kernel/audit.c
index b69c8b460341..8c201f414226 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -880,7 +880,7 @@ main_queue:
return 0;
}
-int audit_send_list(void *_dest)
+int audit_send_list_thread(void *_dest)
{
struct audit_netlink_list *dest = _dest;
struct sk_buff *skb;
@@ -924,19 +924,30 @@ out_kfree_skb:
return NULL;
}
+static void audit_free_reply(struct audit_reply *reply)
+{
+ if (!reply)
+ return;
+
+ if (reply->skb)
+ kfree_skb(reply->skb);
+ if (reply->net)
+ put_net(reply->net);
+ kfree(reply);
+}
+
static int audit_send_reply_thread(void *arg)
{
struct audit_reply *reply = (struct audit_reply *)arg;
- struct sock *sk = audit_get_sk(reply->net);
audit_ctl_lock();
audit_ctl_unlock();
/* Ignore failure. It'll only happen if the sender goes away,
because our timeout is set to infinite. */
- netlink_unicast(sk, reply->skb, reply->portid, 0);
- put_net(reply->net);
- kfree(reply);
+ netlink_unicast(audit_get_sk(reply->net), reply->skb, reply->portid, 0);
+ reply->skb = NULL;
+ audit_free_reply(reply);
return 0;
}
@@ -950,35 +961,32 @@ static int audit_send_reply_thread(void *arg)
* @payload: payload data
* @size: payload size
*
- * Allocates an skb, builds the netlink message, and sends it to the port id.
- * No failure notifications.
+ * Allocates a skb, builds the netlink message, and sends it to the port id.
*/
static void audit_send_reply(struct sk_buff *request_skb, int seq, int type, int done,
int multi, const void *payload, int size)
{
- struct net *net = sock_net(NETLINK_CB(request_skb).sk);
- struct sk_buff *skb;
struct task_struct *tsk;
- struct audit_reply *reply = kmalloc(sizeof(struct audit_reply),
- GFP_KERNEL);
+ struct audit_reply *reply;
+ reply = kzalloc(sizeof(*reply), GFP_KERNEL);
if (!reply)
return;
- skb = audit_make_reply(seq, type, done, multi, payload, size);
- if (!skb)
- goto out;
-
- reply->net = get_net(net);
+ reply->skb = audit_make_reply(seq, type, done, multi, payload, size);
+ if (!reply->skb)
+ goto err;
+ reply->net = get_net(sock_net(NETLINK_CB(request_skb).sk));
reply->portid = NETLINK_CB(request_skb).portid;
- reply->skb = skb;
tsk = kthread_run(audit_send_reply_thread, reply, "audit_send_reply");
- if (!IS_ERR(tsk))
- return;
- kfree_skb(skb);
-out:
- kfree(reply);
+ if (IS_ERR(tsk))
+ goto err;
+
+ return;
+
+err:
+ audit_free_reply(reply);
}
/*
@@ -1326,6 +1334,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
case AUDIT_FIRST_USER_MSG2 ... AUDIT_LAST_USER_MSG2:
if (!audit_enabled && msg_type != AUDIT_USER_AVC)
return 0;
+ /* exit early if there isn't at least one character to print */
+ if (data_len < 2)
+ return -EINVAL;
err = audit_filter(msg_type, AUDIT_FILTER_USER);
if (err == 1) { /* match or error */
@@ -1522,20 +1533,60 @@ static void audit_receive(struct sk_buff *skb)
audit_ctl_unlock();
}
+/* Log information about who is connecting to the audit multicast socket */
+static void audit_log_multicast(int group, const char *op, int err)
+{
+ const struct cred *cred;
+ struct tty_struct *tty;
+ char comm[sizeof(current->comm)];
+ struct audit_buffer *ab;
+
+ if (!audit_enabled)
+ return;
+
+ ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_EVENT_LISTENER);
+ if (!ab)
+ return;
+
+ cred = current_cred();
+ tty = audit_get_tty();
+ audit_log_format(ab, "pid=%u uid=%u auid=%u tty=%s ses=%u",
+ task_pid_nr(current),
+ from_kuid(&init_user_ns, cred->uid),
+ from_kuid(&init_user_ns, audit_get_loginuid(current)),
+ tty ? tty_name(tty) : "(none)",
+ audit_get_sessionid(current));
+ audit_put_tty(tty);
+ audit_log_task_context(ab); /* subj= */
+ audit_log_format(ab, " comm=");
+ audit_log_untrustedstring(ab, get_task_comm(comm, current));
+ audit_log_d_path_exe(ab, current->mm); /* exe= */
+ audit_log_format(ab, " nl-mcgrp=%d op=%s res=%d", group, op, !err);
+ audit_log_end(ab);
+}
+
/* Run custom bind function on netlink socket group connect or bind requests. */
-static int audit_bind(struct net *net, int group)
+static int audit_multicast_bind(struct net *net, int group)
{
+ int err = 0;
+
if (!capable(CAP_AUDIT_READ))
- return -EPERM;
+ err = -EPERM;
+ audit_log_multicast(group, "connect", err);
+ return err;
+}
- return 0;
+static void audit_multicast_unbind(struct net *net, int group)
+{
+ audit_log_multicast(group, "disconnect", 0);
}
static int __net_init audit_net_init(struct net *net)
{
struct netlink_kernel_cfg cfg = {
.input = audit_receive,
- .bind = audit_bind,
+ .bind = audit_multicast_bind,
+ .unbind = audit_multicast_unbind,
.flags = NL_CFG_F_NONROOT_RECV,
.groups = AUDIT_NLGRP_MAX,
};
diff --git a/kernel/audit.h b/kernel/audit.h
index 2eed4d231624..f0233dc40b17 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -229,7 +229,7 @@ struct audit_netlink_list {
struct sk_buff_head q;
};
-int audit_send_list(void *_dest);
+int audit_send_list_thread(void *_dest);
extern int selinux_audit_rule_update(void);
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 026e34da4ace..a10e2997aa6c 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1161,11 +1161,8 @@ int audit_rule_change(int type, int seq, void *data, size_t datasz)
*/
int audit_list_rules_send(struct sk_buff *request_skb, int seq)
{
- u32 portid = NETLINK_CB(request_skb).portid;
- struct net *net = sock_net(NETLINK_CB(request_skb).sk);
struct task_struct *tsk;
struct audit_netlink_list *dest;
- int err = 0;
/* We can't just spew out the rules here because we might fill
* the available socket buffer space and deadlock waiting for
@@ -1173,25 +1170,26 @@ int audit_list_rules_send(struct sk_buff *request_skb, int seq)
* happen if we're actually running in the context of auditctl
* trying to _send_ the stuff */
- dest = kmalloc(sizeof(struct audit_netlink_list), GFP_KERNEL);
+ dest = kmalloc(sizeof(*dest), GFP_KERNEL);
if (!dest)
return -ENOMEM;
- dest->net = get_net(net);
- dest->portid = portid;
+ dest->net = get_net(sock_net(NETLINK_CB(request_skb).sk));
+ dest->portid = NETLINK_CB(request_skb).portid;
skb_queue_head_init(&dest->q);
mutex_lock(&audit_filter_mutex);
audit_list_rules(seq, &dest->q);
mutex_unlock(&audit_filter_mutex);
- tsk = kthread_run(audit_send_list, dest, "audit_send_list");
+ tsk = kthread_run(audit_send_list_thread, dest, "audit_send_list");
if (IS_ERR(tsk)) {
skb_queue_purge(&dest->q);
+ put_net(dest->net);
kfree(dest);
- err = PTR_ERR(tsk);
+ return PTR_ERR(tsk);
}
- return err;
+ return 0;
}
int audit_comparator(u32 left, u32 op, u32 right)
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 814406a35db1..468a23390457 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -130,6 +130,17 @@ struct audit_tree_refs {
struct audit_chunk *c[31];
};
+struct audit_nfcfgop_tab {
+ enum audit_nfcfgop op;
+ const char *s;
+};
+
+static const struct audit_nfcfgop_tab audit_nfcfgs[] = {
+ { AUDIT_XT_OP_REGISTER, "register" },
+ { AUDIT_XT_OP_REPLACE, "replace" },
+ { AUDIT_XT_OP_UNREGISTER, "unregister" },
+};
+
static int audit_match_perm(struct audit_context *ctx, int mask)
{
unsigned n;
@@ -2542,6 +2553,26 @@ void __audit_ntp_log(const struct audit_ntp_data *ad)
audit_log_ntp_val(ad, "adjust", AUDIT_NTP_ADJUST);
}
+void __audit_log_nfcfg(const char *name, u8 af, unsigned int nentries,
+ enum audit_nfcfgop op)
+{
+ struct audit_buffer *ab;
+ char comm[sizeof(current->comm)];
+
+ ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_NETFILTER_CFG);
+ if (!ab)
+ return;
+ audit_log_format(ab, "table=%s family=%u entries=%u op=%s",
+ name, af, nentries, audit_nfcfgs[op].s);
+
+ audit_log_format(ab, " pid=%u", task_pid_nr(current));
+ audit_log_task_context(ab); /* subj= */
+ audit_log_format(ab, " comm=");
+ audit_log_untrustedstring(ab, get_task_comm(comm, current));
+ audit_log_end(ab);
+}
+EXPORT_SYMBOL_GPL(__audit_log_nfcfg);
+
static void audit_log_task(struct audit_buffer *ab)
{
kuid_t auid, uid;
diff --git a/kernel/bpf/Makefile b/kernel/bpf/Makefile
index f2d7be596966..1131a921e1a6 100644
--- a/kernel/bpf/Makefile
+++ b/kernel/bpf/Makefile
@@ -2,9 +2,9 @@
obj-y := core.o
CFLAGS_core.o += $(call cc-disable-warning, override-init)
-obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o
+obj-$(CONFIG_BPF_SYSCALL) += syscall.o verifier.o inode.o helpers.o tnum.o bpf_iter.o map_iter.o task_iter.o
obj-$(CONFIG_BPF_SYSCALL) += hashtab.o arraymap.o percpu_freelist.o bpf_lru_list.o lpm_trie.o map_in_map.o
-obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o
+obj-$(CONFIG_BPF_SYSCALL) += local_storage.o queue_stack_maps.o ringbuf.o
obj-$(CONFIG_BPF_SYSCALL) += disasm.o
obj-$(CONFIG_BPF_JIT) += trampoline.o
obj-$(CONFIG_BPF_SYSCALL) += btf.o
@@ -12,10 +12,8 @@ obj-$(CONFIG_BPF_JIT) += dispatcher.o
ifeq ($(CONFIG_NET),y)
obj-$(CONFIG_BPF_SYSCALL) += devmap.o
obj-$(CONFIG_BPF_SYSCALL) += cpumap.o
-ifeq ($(CONFIG_XDP_SOCKETS),y)
-obj-$(CONFIG_BPF_SYSCALL) += xskmap.o
-endif
obj-$(CONFIG_BPF_SYSCALL) += offload.o
+obj-$(CONFIG_BPF_SYSCALL) += net_namespace.o
endif
ifeq ($(CONFIG_PERF_EVENTS),y)
obj-$(CONFIG_BPF_SYSCALL) += stackmap.o
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 95d77770353c..11584618e861 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -77,7 +77,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;
int ret, numa_node = bpf_map_attr_numa_node(attr);
u32 elem_size, index_mask, max_entries;
- bool unpriv = !capable(CAP_SYS_ADMIN);
+ bool bypass_spec_v1 = bpf_bypass_spec_v1();
u64 cost, array_size, mask64;
struct bpf_map_memory mem;
struct bpf_array *array;
@@ -95,7 +95,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
mask64 -= 1;
index_mask = mask64;
- if (unpriv) {
+ if (!bypass_spec_v1) {
/* round up array size to nearest power of 2,
* since cpu will speculate within index_mask limits
*/
@@ -149,7 +149,7 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
return ERR_PTR(-ENOMEM);
}
array->index_mask = index_mask;
- array->map.unpriv_array = unpriv;
+ array->map.bypass_spec_v1 = bypass_spec_v1;
/* copy mandatory map attributes */
bpf_map_init_from_attr(&array->map, attr);
@@ -219,7 +219,7 @@ static u32 array_map_gen_lookup(struct bpf_map *map, struct bpf_insn *insn_buf)
*insn++ = BPF_ALU64_IMM(BPF_ADD, map_ptr, offsetof(struct bpf_array, value));
*insn++ = BPF_LDX_MEM(BPF_W, ret, index, 0);
- if (map->unpriv_array) {
+ if (!map->bypass_spec_v1) {
*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 4);
*insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);
} else {
@@ -486,7 +486,12 @@ static int array_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
if (!(map->map_flags & BPF_F_MMAPABLE))
return -EINVAL;
- return remap_vmalloc_range(vma, array_map_vmalloc_addr(array), pgoff);
+ if (vma->vm_pgoff * PAGE_SIZE + (vma->vm_end - vma->vm_start) >
+ PAGE_ALIGN((u64)array->map.max_entries * array->elem_size))
+ return -EINVAL;
+
+ return remap_vmalloc_range(vma, array_map_vmalloc_addr(array),
+ vma->vm_pgoff + pgoff);
}
const struct bpf_map_ops array_map_ops = {
@@ -1053,7 +1058,7 @@ static u32 array_of_map_gen_lookup(struct bpf_map *map,
*insn++ = BPF_ALU64_IMM(BPF_ADD, map_ptr, offsetof(struct bpf_array, value));
*insn++ = BPF_LDX_MEM(BPF_W, ret, index, 0);
- if (map->unpriv_array) {
+ if (!map->bypass_spec_v1) {
*insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 6);
*insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);
} else {
diff --git a/kernel/bpf/bpf_iter.c b/kernel/bpf/bpf_iter.c
new file mode 100644
index 000000000000..dd612b80b9fe
--- /dev/null
+++ b/kernel/bpf/bpf_iter.c
@@ -0,0 +1,539 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+
+#include <linux/fs.h>
+#include <linux/anon_inodes.h>
+#include <linux/filter.h>
+#include <linux/bpf.h>
+
+struct bpf_iter_target_info {
+ struct list_head list;
+ const struct bpf_iter_reg *reg_info;
+ u32 btf_id; /* cached value */
+};
+
+struct bpf_iter_link {
+ struct bpf_link link;
+ struct bpf_iter_target_info *tinfo;
+};
+
+struct bpf_iter_priv_data {
+ struct bpf_iter_target_info *tinfo;
+ struct bpf_prog *prog;
+ u64 session_id;
+ u64 seq_num;
+ bool done_stop;
+ u8 target_private[] __aligned(8);
+};
+
+static struct list_head targets = LIST_HEAD_INIT(targets);
+static DEFINE_MUTEX(targets_mutex);
+
+/* protect bpf_iter_link changes */
+static DEFINE_MUTEX(link_mutex);
+
+/* incremented on every opened seq_file */
+static atomic64_t session_id;
+
+static int prepare_seq_file(struct file *file, struct bpf_iter_link *link);
+
+static void bpf_iter_inc_seq_num(struct seq_file *seq)
+{
+ struct bpf_iter_priv_data *iter_priv;
+
+ iter_priv = container_of(seq->private, struct bpf_iter_priv_data,
+ target_private);
+ iter_priv->seq_num++;
+}
+
+static void bpf_iter_dec_seq_num(struct seq_file *seq)
+{
+ struct bpf_iter_priv_data *iter_priv;
+
+ iter_priv = container_of(seq->private, struct bpf_iter_priv_data,
+ target_private);
+ iter_priv->seq_num--;
+}
+
+static void bpf_iter_done_stop(struct seq_file *seq)
+{
+ struct bpf_iter_priv_data *iter_priv;
+
+ iter_priv = container_of(seq->private, struct bpf_iter_priv_data,
+ target_private);
+ iter_priv->done_stop = true;
+}
+
+/* bpf_seq_read, a customized and simpler version for bpf iterator.
+ * no_llseek is assumed for this file.
+ * The following are differences from seq_read():
+ * . fixed buffer size (PAGE_SIZE)
+ * . assuming no_llseek
+ * . stop() may call bpf program, handling potential overflow there
+ */
+static ssize_t bpf_seq_read(struct file *file, char __user *buf, size_t size,
+ loff_t *ppos)
+{
+ struct seq_file *seq = file->private_data;
+ size_t n, offs, copied = 0;
+ int err = 0;
+ void *p;
+
+ mutex_lock(&seq->lock);
+
+ if (!seq->buf) {
+ seq->size = PAGE_SIZE;
+ seq->buf = kmalloc(seq->size, GFP_KERNEL);
+ if (!seq->buf) {
+ err = -ENOMEM;
+ goto done;
+ }
+ }
+
+ if (seq->count) {
+ n = min(seq->count, size);
+ err = copy_to_user(buf, seq->buf + seq->from, n);
+ if (err) {
+ err = -EFAULT;
+ goto done;
+ }
+ seq->count -= n;
+ seq->from += n;
+ copied = n;
+ goto done;
+ }
+
+ seq->from = 0;
+ p = seq->op->start(seq, &seq->index);
+ if (!p)
+ goto stop;
+ if (IS_ERR(p)) {
+ err = PTR_ERR(p);
+ seq->op->stop(seq, p);
+ seq->count = 0;
+ goto done;
+ }
+
+ err = seq->op->show(seq, p);
+ if (err > 0) {
+ /* object is skipped, decrease seq_num, so next
+ * valid object can reuse the same seq_num.
+ */
+ bpf_iter_dec_seq_num(seq);
+ seq->count = 0;
+ } else if (err < 0 || seq_has_overflowed(seq)) {
+ if (!err)
+ err = -E2BIG;
+ seq->op->stop(seq, p);
+ seq->count = 0;
+ goto done;
+ }
+
+ while (1) {
+ loff_t pos = seq->index;
+
+ offs = seq->count;
+ p = seq->op->next(seq, p, &seq->index);
+ if (pos == seq->index) {
+ pr_info_ratelimited("buggy seq_file .next function %ps "
+ "did not updated position index\n",
+ seq->op->next);
+ seq->index++;
+ }
+
+ if (IS_ERR_OR_NULL(p))
+ break;
+
+ /* got a valid next object, increase seq_num */
+ bpf_iter_inc_seq_num(seq);
+
+ if (seq->count >= size)
+ break;
+
+ err = seq->op->show(seq, p);
+ if (err > 0) {
+ bpf_iter_dec_seq_num(seq);
+ seq->count = offs;
+ } else if (err < 0 || seq_has_overflowed(seq)) {
+ seq->count = offs;
+ if (offs == 0) {
+ if (!err)
+ err = -E2BIG;
+ seq->op->stop(seq, p);
+ goto done;
+ }
+ break;
+ }
+ }
+stop:
+ offs = seq->count;
+ /* bpf program called if !p */
+ seq->op->stop(seq, p);
+ if (!p) {
+ if (!seq_has_overflowed(seq)) {
+ bpf_iter_done_stop(seq);
+ } else {
+ seq->count = offs;
+ if (offs == 0) {
+ err = -E2BIG;
+ goto done;
+ }
+ }
+ }
+
+ n = min(seq->count, size);
+ err = copy_to_user(buf, seq->buf, n);
+ if (err) {
+ err = -EFAULT;
+ goto done;
+ }
+ copied = n;
+ seq->count -= n;
+ seq->from = n;
+done:
+ if (!copied)
+ copied = err;
+ else
+ *ppos += copied;
+ mutex_unlock(&seq->lock);
+ return copied;
+}
+
+static int iter_open(struct inode *inode, struct file *file)
+{
+ struct bpf_iter_link *link = inode->i_private;
+
+ return prepare_seq_file(file, link);
+}
+
+static int iter_release(struct inode *inode, struct file *file)
+{
+ struct bpf_iter_priv_data *iter_priv;
+ struct seq_file *seq;
+
+ seq = file->private_data;
+ if (!seq)
+ return 0;
+
+ iter_priv = container_of(seq->private, struct bpf_iter_priv_data,
+ target_private);
+
+ if (iter_priv->tinfo->reg_info->fini_seq_private)
+ iter_priv->tinfo->reg_info->fini_seq_private(seq->private);
+
+ bpf_prog_put(iter_priv->prog);
+ seq->private = iter_priv;
+
+ return seq_release_private(inode, file);
+}
+
+const struct file_operations bpf_iter_fops = {
+ .open = iter_open,
+ .llseek = no_llseek,
+ .read = bpf_seq_read,
+ .release = iter_release,
+};
+
+/* The argument reg_info will be cached in bpf_iter_target_info.
+ * The common practice is to declare target reg_info as
+ * a const static variable and passed as an argument to
+ * bpf_iter_reg_target().
+ */
+int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info)
+{
+ struct bpf_iter_target_info *tinfo;
+
+ tinfo = kmalloc(sizeof(*tinfo), GFP_KERNEL);
+ if (!tinfo)
+ return -ENOMEM;
+
+ tinfo->reg_info = reg_info;
+ INIT_LIST_HEAD(&tinfo->list);
+
+ mutex_lock(&targets_mutex);
+ list_add(&tinfo->list, &targets);
+ mutex_unlock(&targets_mutex);
+
+ return 0;
+}
+
+void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info)
+{
+ struct bpf_iter_target_info *tinfo;
+ bool found = false;
+
+ mutex_lock(&targets_mutex);
+ list_for_each_entry(tinfo, &targets, list) {
+ if (reg_info == tinfo->reg_info) {
+ list_del(&tinfo->list);
+ kfree(tinfo);
+ found = true;
+ break;
+ }
+ }
+ mutex_unlock(&targets_mutex);
+
+ WARN_ON(found == false);
+}
+
+static void cache_btf_id(struct bpf_iter_target_info *tinfo,
+ struct bpf_prog *prog)
+{
+ tinfo->btf_id = prog->aux->attach_btf_id;
+}
+
+bool bpf_iter_prog_supported(struct bpf_prog *prog)
+{
+ const char *attach_fname = prog->aux->attach_func_name;
+ u32 prog_btf_id = prog->aux->attach_btf_id;
+ const char *prefix = BPF_ITER_FUNC_PREFIX;
+ struct bpf_iter_target_info *tinfo;
+ int prefix_len = strlen(prefix);
+ bool supported = false;
+
+ if (strncmp(attach_fname, prefix, prefix_len))
+ return false;
+
+ mutex_lock(&targets_mutex);
+ list_for_each_entry(tinfo, &targets, list) {
+ if (tinfo->btf_id && tinfo->btf_id == prog_btf_id) {
+ supported = true;
+ break;
+ }
+ if (!strcmp(attach_fname + prefix_len, tinfo->reg_info->target)) {
+ cache_btf_id(tinfo, prog);
+ supported = true;
+ break;
+ }
+ }
+ mutex_unlock(&targets_mutex);
+
+ if (supported) {
+ prog->aux->ctx_arg_info_size = tinfo->reg_info->ctx_arg_info_size;
+ prog->aux->ctx_arg_info = tinfo->reg_info->ctx_arg_info;
+ }
+
+ return supported;
+}
+
+static void bpf_iter_link_release(struct bpf_link *link)
+{
+}
+
+static void bpf_iter_link_dealloc(struct bpf_link *link)
+{
+ struct bpf_iter_link *iter_link =
+ container_of(link, struct bpf_iter_link, link);
+
+ kfree(iter_link);
+}
+
+static int bpf_iter_link_replace(struct bpf_link *link,
+ struct bpf_prog *new_prog,
+ struct bpf_prog *old_prog)
+{
+ int ret = 0;
+
+ mutex_lock(&link_mutex);
+ if (old_prog && link->prog != old_prog) {
+ ret = -EPERM;
+ goto out_unlock;
+ }
+
+ if (link->prog->type != new_prog->type ||
+ link->prog->expected_attach_type != new_prog->expected_attach_type ||
+ link->prog->aux->attach_btf_id != new_prog->aux->attach_btf_id) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ old_prog = xchg(&link->prog, new_prog);
+ bpf_prog_put(old_prog);
+
+out_unlock:
+ mutex_unlock(&link_mutex);
+ return ret;
+}
+
+static const struct bpf_link_ops bpf_iter_link_lops = {
+ .release = bpf_iter_link_release,
+ .dealloc = bpf_iter_link_dealloc,
+ .update_prog = bpf_iter_link_replace,
+};
+
+bool bpf_link_is_iter(struct bpf_link *link)
+{
+ return link->ops == &bpf_iter_link_lops;
+}
+
+int bpf_iter_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
+{
+ struct bpf_link_primer link_primer;
+ struct bpf_iter_target_info *tinfo;
+ struct bpf_iter_link *link;
+ bool existed = false;
+ u32 prog_btf_id;
+ int err;
+
+ if (attr->link_create.target_fd || attr->link_create.flags)
+ return -EINVAL;
+
+ prog_btf_id = prog->aux->attach_btf_id;
+ mutex_lock(&targets_mutex);
+ list_for_each_entry(tinfo, &targets, list) {
+ if (tinfo->btf_id == prog_btf_id) {
+ existed = true;
+ break;
+ }
+ }
+ mutex_unlock(&targets_mutex);
+ if (!existed)
+ return -ENOENT;
+
+ link = kzalloc(sizeof(*link), GFP_USER | __GFP_NOWARN);
+ if (!link)
+ return -ENOMEM;
+
+ bpf_link_init(&link->link, BPF_LINK_TYPE_ITER, &bpf_iter_link_lops, prog);
+ link->tinfo = tinfo;
+
+ err = bpf_link_prime(&link->link, &link_primer);
+ if (err) {
+ kfree(link);
+ return err;
+ }
+
+ return bpf_link_settle(&link_primer);
+}
+
+static void init_seq_meta(struct bpf_iter_priv_data *priv_data,
+ struct bpf_iter_target_info *tinfo,
+ struct bpf_prog *prog)
+{
+ priv_data->tinfo = tinfo;
+ priv_data->prog = prog;
+ priv_data->session_id = atomic64_inc_return(&session_id);
+ priv_data->seq_num = 0;
+ priv_data->done_stop = false;
+}
+
+static int prepare_seq_file(struct file *file, struct bpf_iter_link *link)
+{
+ struct bpf_iter_priv_data *priv_data;
+ struct bpf_iter_target_info *tinfo;
+ struct bpf_prog *prog;
+ u32 total_priv_dsize;
+ struct seq_file *seq;
+ int err = 0;
+
+ mutex_lock(&link_mutex);
+ prog = link->link.prog;
+ bpf_prog_inc(prog);
+ mutex_unlock(&link_mutex);
+
+ tinfo = link->tinfo;
+ total_priv_dsize = offsetof(struct bpf_iter_priv_data, target_private) +
+ tinfo->reg_info->seq_priv_size;
+ priv_data = __seq_open_private(file, tinfo->reg_info->seq_ops,
+ total_priv_dsize);
+ if (!priv_data) {
+ err = -ENOMEM;
+ goto release_prog;
+ }
+
+ if (tinfo->reg_info->init_seq_private) {
+ err = tinfo->reg_info->init_seq_private(priv_data->target_private);
+ if (err)
+ goto release_seq_file;
+ }
+
+ init_seq_meta(priv_data, tinfo, prog);
+ seq = file->private_data;
+ seq->private = priv_data->target_private;
+
+ return 0;
+
+release_seq_file:
+ seq_release_private(file->f_inode, file);
+ file->private_data = NULL;
+release_prog:
+ bpf_prog_put(prog);
+ return err;
+}
+
+int bpf_iter_new_fd(struct bpf_link *link)
+{
+ struct file *file;
+ unsigned int flags;
+ int err, fd;
+
+ if (link->ops != &bpf_iter_link_lops)
+ return -EINVAL;
+
+ flags = O_RDONLY | O_CLOEXEC;
+ fd = get_unused_fd_flags(flags);
+ if (fd < 0)
+ return fd;
+
+ file = anon_inode_getfile("bpf_iter", &bpf_iter_fops, NULL, flags);
+ if (IS_ERR(file)) {
+ err = PTR_ERR(file);
+ goto free_fd;
+ }
+
+ err = prepare_seq_file(file,
+ container_of(link, struct bpf_iter_link, link));
+ if (err)
+ goto free_file;
+
+ fd_install(fd, file);
+ return fd;
+
+free_file:
+ fput(file);
+free_fd:
+ put_unused_fd(fd);
+ return err;
+}
+
+struct bpf_prog *bpf_iter_get_info(struct bpf_iter_meta *meta, bool in_stop)
+{
+ struct bpf_iter_priv_data *iter_priv;
+ struct seq_file *seq;
+ void *seq_priv;
+
+ seq = meta->seq;
+ if (seq->file->f_op != &bpf_iter_fops)
+ return NULL;
+
+ seq_priv = seq->private;
+ iter_priv = container_of(seq_priv, struct bpf_iter_priv_data,
+ target_private);
+
+ if (in_stop && iter_priv->done_stop)
+ return NULL;
+
+ meta->session_id = iter_priv->session_id;
+ meta->seq_num = iter_priv->seq_num;
+
+ return iter_priv->prog;
+}
+
+int bpf_iter_run_prog(struct bpf_prog *prog, void *ctx)
+{
+ int ret;
+
+ rcu_read_lock();
+ migrate_disable();
+ ret = BPF_PROG_RUN(prog, ctx);
+ migrate_enable();
+ rcu_read_unlock();
+
+ /* bpf program can only return 0 or 1:
+ * 0 : okay
+ * 1 : retry the same object
+ * The bpf_iter_run_prog() return value
+ * will be seq_ops->show() return value.
+ */
+ return ret == 0 ? 0 : -EAGAIN;
+}
diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index 19636703b24e..fb278144e9fd 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -49,6 +49,6 @@ const struct bpf_prog_ops lsm_prog_ops = {
};
const struct bpf_verifier_ops lsm_verifier_ops = {
- .get_func_proto = bpf_tracing_func_proto,
+ .get_func_proto = tracing_prog_func_proto,
.is_valid_access = btf_ctx_access,
};
diff --git a/kernel/bpf/bpf_struct_ops.c b/kernel/bpf/bpf_struct_ops.c
index 26cb51f2db72..c6b0decaa46a 100644
--- a/kernel/bpf/bpf_struct_ops.c
+++ b/kernel/bpf/bpf_struct_ops.c
@@ -557,7 +557,7 @@ static struct bpf_map *bpf_struct_ops_map_alloc(union bpf_attr *attr)
struct bpf_map *map;
int err;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
st_ops = bpf_struct_ops_find_value(attr->btf_vmlinux_value_type_id);
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index d65c6912bdaf..58c9af1d4808 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -3482,6 +3482,7 @@ extern char __weak __stop_BTF[];
extern struct btf *btf_vmlinux;
#define BPF_MAP_TYPE(_id, _ops)
+#define BPF_LINK_TYPE(_id, _name)
static union {
struct bpf_ctx_convert {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
@@ -3508,6 +3509,7 @@ static u8 bpf_ctx_convert_map[] = {
0, /* avoid empty array */
};
#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
static const struct btf_member *
btf_get_prog_ctx_type(struct bpf_verifier_log *log, struct btf *btf,
@@ -3692,7 +3694,7 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
struct bpf_verifier_log *log = info->log;
const struct btf_param *args;
u32 nr_args, arg;
- int ret;
+ int i, ret;
if (off % 8) {
bpf_log(log, "func '%s' offset %d is not multiple of 8\n",
@@ -3789,6 +3791,14 @@ bool btf_ctx_access(int off, int size, enum bpf_access_type type,
/* this is a pointer to another type */
info->reg_type = PTR_TO_BTF_ID;
+ for (i = 0; i < prog->aux->ctx_arg_info_size; i++) {
+ const struct bpf_ctx_arg_aux *ctx_arg_info = &prog->aux->ctx_arg_info[i];
+
+ if (ctx_arg_info->offset == off) {
+ info->reg_type = ctx_arg_info->reg_type;
+ break;
+ }
+ }
if (tgt_prog) {
ret = btf_translate_to_vmlinux(log, btf, t, tgt_prog->type, arg);
@@ -3828,6 +3838,7 @@ int btf_struct_access(struct bpf_verifier_log *log,
const struct btf_type *mtype, *elem_type = NULL;
const struct btf_member *member;
const char *tname, *mname;
+ u32 vlen;
again:
tname = __btf_name_by_offset(btf_vmlinux, t->name_off);
@@ -3836,7 +3847,43 @@ again:
return -EINVAL;
}
+ vlen = btf_type_vlen(t);
if (off + size > t->size) {
+ /* If the last element is a variable size array, we may
+ * need to relax the rule.
+ */
+ struct btf_array *array_elem;
+
+ if (vlen == 0)
+ goto error;
+
+ member = btf_type_member(t) + vlen - 1;
+ mtype = btf_type_skip_modifiers(btf_vmlinux, member->type,
+ NULL);
+ if (!btf_type_is_array(mtype))
+ goto error;
+
+ array_elem = (struct btf_array *)(mtype + 1);
+ if (array_elem->nelems != 0)
+ goto error;
+
+ moff = btf_member_bit_offset(t, member) / 8;
+ if (off < moff)
+ goto error;
+
+ /* Only allow structure for now, can be relaxed for
+ * other types later.
+ */
+ elem_type = btf_type_skip_modifiers(btf_vmlinux,
+ array_elem->type, NULL);
+ if (!btf_type_is_struct(elem_type))
+ goto error;
+
+ off = (off - moff) % elem_type->size;
+ return btf_struct_access(log, elem_type, off, size, atype,
+ next_btf_id);
+
+error:
bpf_log(log, "access beyond struct %s at off %u size %u\n",
tname, off, size);
return -EACCES;
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c
index cb305e71e7de..fdf7836750a3 100644
--- a/kernel/bpf/cgroup.c
+++ b/kernel/bpf/cgroup.c
@@ -557,8 +557,9 @@ found:
*
* Must be called with cgroup_mutex held.
*/
-int __cgroup_bpf_replace(struct cgroup *cgrp, struct bpf_cgroup_link *link,
- struct bpf_prog *new_prog)
+static int __cgroup_bpf_replace(struct cgroup *cgrp,
+ struct bpf_cgroup_link *link,
+ struct bpf_prog *new_prog)
{
struct list_head *progs = &cgrp->bpf.progs[link->type];
struct bpf_prog *old_prog;
@@ -583,6 +584,30 @@ int __cgroup_bpf_replace(struct cgroup *cgrp, struct bpf_cgroup_link *link,
return 0;
}
+static int cgroup_bpf_replace(struct bpf_link *link, struct bpf_prog *new_prog,
+ struct bpf_prog *old_prog)
+{
+ struct bpf_cgroup_link *cg_link;
+ int ret;
+
+ cg_link = container_of(link, struct bpf_cgroup_link, link);
+
+ mutex_lock(&cgroup_mutex);
+ /* link might have been auto-released by dying cgroup, so fail */
+ if (!cg_link->cgroup) {
+ ret = -ENOLINK;
+ goto out_unlock;
+ }
+ if (old_prog && link->prog != old_prog) {
+ ret = -EPERM;
+ goto out_unlock;
+ }
+ ret = __cgroup_bpf_replace(cg_link->cgroup, cg_link, new_prog);
+out_unlock:
+ mutex_unlock(&cgroup_mutex);
+ return ret;
+}
+
static struct bpf_prog_list *find_detach_entry(struct list_head *progs,
struct bpf_prog *prog,
struct bpf_cgroup_link *link,
@@ -808,17 +833,56 @@ static void bpf_cgroup_link_dealloc(struct bpf_link *link)
kfree(cg_link);
}
-const struct bpf_link_ops bpf_cgroup_link_lops = {
+static void bpf_cgroup_link_show_fdinfo(const struct bpf_link *link,
+ struct seq_file *seq)
+{
+ struct bpf_cgroup_link *cg_link =
+ container_of(link, struct bpf_cgroup_link, link);
+ u64 cg_id = 0;
+
+ mutex_lock(&cgroup_mutex);
+ if (cg_link->cgroup)
+ cg_id = cgroup_id(cg_link->cgroup);
+ mutex_unlock(&cgroup_mutex);
+
+ seq_printf(seq,
+ "cgroup_id:\t%llu\n"
+ "attach_type:\t%d\n",
+ cg_id,
+ cg_link->type);
+}
+
+static int bpf_cgroup_link_fill_link_info(const struct bpf_link *link,
+ struct bpf_link_info *info)
+{
+ struct bpf_cgroup_link *cg_link =
+ container_of(link, struct bpf_cgroup_link, link);
+ u64 cg_id = 0;
+
+ mutex_lock(&cgroup_mutex);
+ if (cg_link->cgroup)
+ cg_id = cgroup_id(cg_link->cgroup);
+ mutex_unlock(&cgroup_mutex);
+
+ info->cgroup.cgroup_id = cg_id;
+ info->cgroup.attach_type = cg_link->type;
+ return 0;
+}
+
+static const struct bpf_link_ops bpf_cgroup_link_lops = {
.release = bpf_cgroup_link_release,
.dealloc = bpf_cgroup_link_dealloc,
+ .update_prog = cgroup_bpf_replace,
+ .show_fdinfo = bpf_cgroup_link_show_fdinfo,
+ .fill_link_info = bpf_cgroup_link_fill_link_info,
};
int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
{
+ struct bpf_link_primer link_primer;
struct bpf_cgroup_link *link;
- struct file *link_file;
struct cgroup *cgrp;
- int err, link_fd;
+ int err;
if (attr->link_create.flags)
return -EINVAL;
@@ -832,26 +896,25 @@ int cgroup_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
err = -ENOMEM;
goto out_put_cgroup;
}
- bpf_link_init(&link->link, &bpf_cgroup_link_lops, prog);
+ bpf_link_init(&link->link, BPF_LINK_TYPE_CGROUP, &bpf_cgroup_link_lops,
+ prog);
link->cgroup = cgrp;
link->type = attr->link_create.attach_type;
- link_file = bpf_link_new_file(&link->link, &link_fd);
- if (IS_ERR(link_file)) {
+ err = bpf_link_prime(&link->link, &link_primer);
+ if (err) {
kfree(link);
- err = PTR_ERR(link_file);
goto out_put_cgroup;
}
err = cgroup_bpf_attach(cgrp, NULL, NULL, link, link->type,
BPF_F_ALLOW_MULTI);
if (err) {
- bpf_link_cleanup(&link->link, link_file, link_fd);
+ bpf_link_cleanup(&link_primer);
goto out_put_cgroup;
}
- fd_install(link_fd, link_file);
- return link_fd;
+ return bpf_link_settle(&link_primer);
out_put_cgroup:
cgroup_put(cgrp);
@@ -1054,36 +1117,21 @@ int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor,
return !allow;
}
-EXPORT_SYMBOL(__cgroup_bpf_check_dev_permission);
static const struct bpf_func_proto *
cgroup_base_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
{
switch (func_id) {
- case BPF_FUNC_map_lookup_elem:
- return &bpf_map_lookup_elem_proto;
- case BPF_FUNC_map_update_elem:
- return &bpf_map_update_elem_proto;
- case BPF_FUNC_map_delete_elem:
- return &bpf_map_delete_elem_proto;
- case BPF_FUNC_map_push_elem:
- return &bpf_map_push_elem_proto;
- case BPF_FUNC_map_pop_elem:
- return &bpf_map_pop_elem_proto;
- case BPF_FUNC_map_peek_elem:
- return &bpf_map_peek_elem_proto;
case BPF_FUNC_get_current_uid_gid:
return &bpf_get_current_uid_gid_proto;
case BPF_FUNC_get_local_storage:
return &bpf_get_local_storage_proto;
case BPF_FUNC_get_current_cgroup_id:
return &bpf_get_current_cgroup_id_proto;
- case BPF_FUNC_trace_printk:
- if (capable(CAP_SYS_ADMIN))
- return bpf_get_trace_printk_proto();
- /* fall through */
+ case BPF_FUNC_perf_event_output:
+ return &bpf_event_output_data_proto;
default:
- return NULL;
+ return bpf_base_func_proto(func_id);
}
}
@@ -1137,16 +1185,13 @@ const struct bpf_verifier_ops cg_dev_verifier_ops = {
* @head: sysctl table header
* @table: sysctl table
* @write: sysctl is being read (= 0) or written (= 1)
- * @buf: pointer to buffer passed by user space
+ * @buf: pointer to buffer (in and out)
* @pcount: value-result argument: value is size of buffer pointed to by @buf,
* result is size of @new_buf if program set new value, initial value
* otherwise
* @ppos: value-result argument: value is position at which read from or write
* to sysctl is happening, result is new position if program overrode it,
* initial value otherwise
- * @new_buf: pointer to pointer to new buffer that will be allocated if program
- * overrides new value provided by user space on sysctl write
- * NOTE: it's caller responsibility to free *new_buf if it was set
* @type: type of program to be executed
*
* Program is run when sysctl is being accessed, either read or written, and
@@ -1157,8 +1202,7 @@ const struct bpf_verifier_ops cg_dev_verifier_ops = {
*/
int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
struct ctl_table *table, int write,
- void __user *buf, size_t *pcount,
- loff_t *ppos, void **new_buf,
+ void **buf, size_t *pcount, loff_t *ppos,
enum bpf_attach_type type)
{
struct bpf_sysctl_kern ctx = {
@@ -1173,36 +1217,28 @@ int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
.new_updated = 0,
};
struct cgroup *cgrp;
+ loff_t pos = 0;
int ret;
ctx.cur_val = kmalloc_track_caller(ctx.cur_len, GFP_KERNEL);
- if (ctx.cur_val) {
- mm_segment_t old_fs;
- loff_t pos = 0;
-
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- if (table->proc_handler(table, 0, (void __user *)ctx.cur_val,
- &ctx.cur_len, &pos)) {
- /* Let BPF program decide how to proceed. */
- ctx.cur_len = 0;
- }
- set_fs(old_fs);
- } else {
+ if (!ctx.cur_val ||
+ table->proc_handler(table, 0, ctx.cur_val, &ctx.cur_len, &pos)) {
/* Let BPF program decide how to proceed. */
ctx.cur_len = 0;
}
- if (write && buf && *pcount) {
+ if (write && *buf && *pcount) {
/* BPF program should be able to override new value with a
* buffer bigger than provided by user.
*/
ctx.new_val = kmalloc_track_caller(PAGE_SIZE, GFP_KERNEL);
ctx.new_len = min_t(size_t, PAGE_SIZE, *pcount);
- if (!ctx.new_val ||
- copy_from_user(ctx.new_val, buf, ctx.new_len))
+ if (ctx.new_val) {
+ memcpy(ctx.new_val, *buf, ctx.new_len);
+ } else {
/* Let BPF program decide how to proceed. */
ctx.new_len = 0;
+ }
}
rcu_read_lock();
@@ -1213,7 +1249,8 @@ int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
kfree(ctx.cur_val);
if (ret == 1 && ctx.new_updated) {
- *new_buf = ctx.new_val;
+ kfree(*buf);
+ *buf = ctx.new_val;
*pcount = ctx.new_len;
} else {
kfree(ctx.new_val);
@@ -1221,7 +1258,6 @@ int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head,
return ret == 1 ? 0 : -EPERM;
}
-EXPORT_SYMBOL(__cgroup_bpf_run_filter_sysctl);
#ifdef CONFIG_NET
static bool __cgroup_bpf_prog_array_is_empty(struct cgroup *cgrp,
@@ -1326,7 +1362,6 @@ out:
sockopt_free_buf(&ctx);
return ret;
}
-EXPORT_SYMBOL(__cgroup_bpf_run_filter_setsockopt);
int __cgroup_bpf_run_filter_getsockopt(struct sock *sk, int level,
int optname, char __user *optval,
@@ -1413,7 +1448,6 @@ out:
sockopt_free_buf(&ctx);
return ret;
}
-EXPORT_SYMBOL(__cgroup_bpf_run_filter_getsockopt);
#endif
static ssize_t sysctl_cpy_dir(const struct ctl_dir *dir, char **bufp,
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 916f5132a984..9df4cc9a2907 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -82,7 +82,7 @@ struct bpf_prog *bpf_prog_alloc_no_stats(unsigned int size, gfp_t gfp_extra_flag
struct bpf_prog *fp;
size = round_up(size, PAGE_SIZE);
- fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+ fp = __vmalloc(size, gfp_flags);
if (fp == NULL)
return NULL;
@@ -232,7 +232,7 @@ struct bpf_prog *bpf_prog_realloc(struct bpf_prog *fp_old, unsigned int size,
if (ret)
return NULL;
- fp = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+ fp = __vmalloc(size, gfp_flags);
if (fp == NULL) {
__bpf_prog_uncharge(fp_old->aux->user, delta);
} else {
@@ -262,10 +262,10 @@ void __bpf_prog_free(struct bpf_prog *fp)
int bpf_prog_calc_tag(struct bpf_prog *fp)
{
- const u32 bits_offset = SHA_MESSAGE_BYTES - sizeof(__be64);
+ const u32 bits_offset = SHA1_BLOCK_SIZE - sizeof(__be64);
u32 raw_size = bpf_prog_tag_scratch_size(fp);
- u32 digest[SHA_DIGEST_WORDS];
- u32 ws[SHA_WORKSPACE_WORDS];
+ u32 digest[SHA1_DIGEST_WORDS];
+ u32 ws[SHA1_WORKSPACE_WORDS];
u32 i, bsize, psize, blocks;
struct bpf_insn *dst;
bool was_ld_map;
@@ -277,7 +277,7 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
if (!raw)
return -ENOMEM;
- sha_init(digest);
+ sha1_init(digest);
memset(ws, 0, sizeof(ws));
/* We need to take out the map fd for the digest calculation
@@ -308,8 +308,8 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
memset(&raw[psize], 0, raw_size - psize);
raw[psize++] = 0x80;
- bsize = round_up(psize, SHA_MESSAGE_BYTES);
- blocks = bsize / SHA_MESSAGE_BYTES;
+ bsize = round_up(psize, SHA1_BLOCK_SIZE);
+ blocks = bsize / SHA1_BLOCK_SIZE;
todo = raw;
if (bsize - psize >= sizeof(__be64)) {
bits = (__be64 *)(todo + bsize - sizeof(__be64));
@@ -320,12 +320,12 @@ int bpf_prog_calc_tag(struct bpf_prog *fp)
*bits = cpu_to_be64((psize - 1) << 3);
while (blocks--) {
- sha_transform(digest, todo, ws);
- todo += SHA_MESSAGE_BYTES;
+ sha1_transform(digest, todo, ws);
+ todo += SHA1_BLOCK_SIZE;
}
result = (__force __be32 *)digest;
- for (i = 0; i < SHA_DIGEST_WORDS; i++)
+ for (i = 0; i < SHA1_DIGEST_WORDS; i++)
result[i] = cpu_to_be32(digest[i]);
memcpy(fp->tag, result, sizeof(fp->tag));
@@ -646,7 +646,7 @@ static bool bpf_prog_kallsyms_verify_off(const struct bpf_prog *fp)
void bpf_prog_kallsyms_add(struct bpf_prog *fp)
{
if (!bpf_prog_kallsyms_candidate(fp) ||
- !capable(CAP_SYS_ADMIN))
+ !bpf_capable())
return;
bpf_prog_ksym_set_addr(fp);
@@ -1089,7 +1089,7 @@ static struct bpf_prog *bpf_prog_clone_create(struct bpf_prog *fp_other,
gfp_t gfp_flags = GFP_KERNEL | __GFP_ZERO | gfp_extra_flags;
struct bpf_prog *fp;
- fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags, PAGE_KERNEL);
+ fp = __vmalloc(fp_other->pages * PAGE_SIZE, gfp_flags);
if (fp != NULL) {
/* aux->prog still points to the fp_other one, so
* when promoting the clone to the real program,
@@ -1543,7 +1543,7 @@ select_insn:
/* ARG1 at this point is guaranteed to point to CTX from
* the verifier side due to the fact that the tail call is
- * handeled like a helper, that is, bpf_tail_call_proto,
+ * handled like a helper, that is, bpf_tail_call_proto,
* where arg1_type is ARG_PTR_TO_CTX.
*/
insn = prog->insnsi;
@@ -2136,6 +2136,11 @@ BPF_CALL_0(bpf_user_rnd_u32)
return res;
}
+BPF_CALL_0(bpf_get_raw_cpu_id)
+{
+ return raw_smp_processor_id();
+}
+
/* Weak definitions of helper functions in case we don't have bpf syscall. */
const struct bpf_func_proto bpf_map_lookup_elem_proto __weak;
const struct bpf_func_proto bpf_map_update_elem_proto __weak;
@@ -2151,6 +2156,7 @@ const struct bpf_func_proto bpf_get_prandom_u32_proto __weak;
const struct bpf_func_proto bpf_get_smp_processor_id_proto __weak;
const struct bpf_func_proto bpf_get_numa_node_id_proto __weak;
const struct bpf_func_proto bpf_ktime_get_ns_proto __weak;
+const struct bpf_func_proto bpf_ktime_get_boot_ns_proto __weak;
const struct bpf_func_proto bpf_get_current_pid_tgid_proto __weak;
const struct bpf_func_proto bpf_get_current_uid_gid_proto __weak;
diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
index 70f71b154fa5..27595fc6da56 100644
--- a/kernel/bpf/cpumap.c
+++ b/kernel/bpf/cpumap.c
@@ -85,7 +85,7 @@ static struct bpf_map *cpu_map_alloc(union bpf_attr *attr)
u64 cost;
int ret;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
/* check sanity of attributes */
@@ -162,25 +162,10 @@ static struct sk_buff *cpu_map_build_skb(struct bpf_cpu_map_entry *rcpu,
/* Part of headroom was reserved to xdpf */
hard_start_headroom = sizeof(struct xdp_frame) + xdpf->headroom;
- /* build_skb need to place skb_shared_info after SKB end, and
- * also want to know the memory "truesize". Thus, need to
- * know the memory frame size backing xdp_buff.
- *
- * XDP was designed to have PAGE_SIZE frames, but this
- * assumption is not longer true with ixgbe and i40e. It
- * would be preferred to set frame_size to 2048 or 4096
- * depending on the driver.
- * frame_size = 2048;
- * frame_len = frame_size - sizeof(*xdp_frame);
- *
- * Instead, with info avail, skb_shared_info in placed after
- * packet len. This, unfortunately fakes the truesize.
- * Another disadvantage of this approach, the skb_shared_info
- * is not at a fixed memory location, with mixed length
- * packets, which is bad for cache-line hotness.
+ /* Memory size backing xdp_frame data already have reserved
+ * room for build_skb to place skb_shared_info in tailroom.
*/
- frame_size = SKB_DATA_ALIGN(xdpf->len + hard_start_headroom) +
- SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ frame_size = xdpf->frame_sz;
pkt_data_start = xdpf->data - hard_start_headroom;
skb = build_skb_around(skb, pkt_data_start, frame_size);
@@ -469,7 +454,7 @@ static int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
return -EOVERFLOW;
/* Make sure CPU is a valid possible cpu */
- if (!cpu_possible(key_cpu))
+ if (key_cpu >= nr_cpumask_bits || !cpu_possible(key_cpu))
return -ENODEV;
if (qsize == 0) {
@@ -636,7 +621,7 @@ int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_buff *xdp,
{
struct xdp_frame *xdpf;
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return -EOVERFLOW;
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 58bdca5d978a..854b09beb16b 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -52,7 +52,6 @@
#define DEV_CREATE_FLAG_MASK \
(BPF_F_NUMA_NODE | BPF_F_RDONLY | BPF_F_WRONLY)
-#define DEV_MAP_BULK_SIZE 16
struct xdp_dev_bulk_queue {
struct xdp_frame *q[DEV_MAP_BULK_SIZE];
struct list_head flush_node;
@@ -61,12 +60,23 @@ struct xdp_dev_bulk_queue {
unsigned int count;
};
+/* DEVMAP values */
+struct bpf_devmap_val {
+ u32 ifindex; /* device index */
+ union {
+ int fd; /* prog fd on map write */
+ u32 id; /* prog id on map read */
+ } bpf_prog;
+};
+
struct bpf_dtab_netdev {
struct net_device *dev; /* must be first member, due to tracepoint */
struct hlist_node index_hlist;
struct bpf_dtab *dtab;
+ struct bpf_prog *xdp_prog;
struct rcu_head rcu;
unsigned int idx;
+ struct bpf_devmap_val val;
};
struct bpf_dtab {
@@ -106,12 +116,18 @@ static inline struct hlist_head *dev_map_index_hash(struct bpf_dtab *dtab,
static int dev_map_init_map(struct bpf_dtab *dtab, union bpf_attr *attr)
{
+ u32 valsize = attr->value_size;
u64 cost = 0;
int err;
- /* check sanity of attributes */
+ /* check sanity of attributes. 2 value sizes supported:
+ * 4 bytes: ifindex
+ * 8 bytes: ifindex + prog fd
+ */
if (attr->max_entries == 0 || attr->key_size != 4 ||
- attr->value_size != 4 || attr->map_flags & ~DEV_CREATE_FLAG_MASK)
+ (valsize != offsetofend(struct bpf_devmap_val, ifindex) &&
+ valsize != offsetofend(struct bpf_devmap_val, bpf_prog.fd)) ||
+ attr->map_flags & ~DEV_CREATE_FLAG_MASK)
return -EINVAL;
/* Lookup returns a pointer straight to dev->ifindex, so make sure the
@@ -218,6 +234,8 @@ static void dev_map_free(struct bpf_map *map)
hlist_for_each_entry_safe(dev, next, head, index_hlist) {
hlist_del_rcu(&dev->index_hlist);
+ if (dev->xdp_prog)
+ bpf_prog_put(dev->xdp_prog);
dev_put(dev->dev);
kfree(dev);
}
@@ -232,6 +250,8 @@ static void dev_map_free(struct bpf_map *map)
if (!dev)
continue;
+ if (dev->xdp_prog)
+ bpf_prog_put(dev->xdp_prog);
dev_put(dev->dev);
kfree(dev);
}
@@ -318,6 +338,16 @@ static int dev_map_hash_get_next_key(struct bpf_map *map, void *key,
return -ENOENT;
}
+bool dev_map_can_have_prog(struct bpf_map *map)
+{
+ if ((map->map_type == BPF_MAP_TYPE_DEVMAP ||
+ map->map_type == BPF_MAP_TYPE_DEVMAP_HASH) &&
+ map->value_size != offsetofend(struct bpf_devmap_val, ifindex))
+ return true;
+
+ return false;
+}
+
static int bq_xmit_all(struct xdp_dev_bulk_queue *bq, u32 flags)
{
struct net_device *dev = bq->dev;
@@ -435,13 +465,40 @@ static inline int __xdp_enqueue(struct net_device *dev, struct xdp_buff *xdp,
if (unlikely(err))
return err;
- xdpf = convert_to_xdp_frame(xdp);
+ xdpf = xdp_convert_buff_to_frame(xdp);
if (unlikely(!xdpf))
return -EOVERFLOW;
return bq_enqueue(dev, xdpf, dev_rx);
}
+static struct xdp_buff *dev_map_run_prog(struct net_device *dev,
+ struct xdp_buff *xdp,
+ struct bpf_prog *xdp_prog)
+{
+ struct xdp_txq_info txq = { .dev = dev };
+ u32 act;
+
+ xdp->txq = &txq;
+
+ act = bpf_prog_run_xdp(xdp_prog, xdp);
+ switch (act) {
+ case XDP_PASS:
+ return xdp;
+ case XDP_DROP:
+ break;
+ default:
+ bpf_warn_invalid_xdp_action(act);
+ fallthrough;
+ case XDP_ABORTED:
+ trace_xdp_exception(dev, xdp_prog, act);
+ break;
+ }
+
+ xdp_return_buff(xdp);
+ return NULL;
+}
+
int dev_xdp_enqueue(struct net_device *dev, struct xdp_buff *xdp,
struct net_device *dev_rx)
{
@@ -453,6 +510,11 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
{
struct net_device *dev = dst->dev;
+ if (dst->xdp_prog) {
+ xdp = dev_map_run_prog(dev, xdp, dst->xdp_prog);
+ if (!xdp)
+ return 0;
+ }
return __xdp_enqueue(dev, xdp, dev_rx);
}
@@ -473,18 +535,15 @@ int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb,
static void *dev_map_lookup_elem(struct bpf_map *map, void *key)
{
struct bpf_dtab_netdev *obj = __dev_map_lookup_elem(map, *(u32 *)key);
- struct net_device *dev = obj ? obj->dev : NULL;
- return dev ? &dev->ifindex : NULL;
+ return obj ? &obj->val : NULL;
}
static void *dev_map_hash_lookup_elem(struct bpf_map *map, void *key)
{
struct bpf_dtab_netdev *obj = __dev_map_hash_lookup_elem(map,
*(u32 *)key);
- struct net_device *dev = obj ? obj->dev : NULL;
-
- return dev ? &dev->ifindex : NULL;
+ return obj ? &obj->val : NULL;
}
static void __dev_map_entry_free(struct rcu_head *rcu)
@@ -492,6 +551,8 @@ static void __dev_map_entry_free(struct rcu_head *rcu)
struct bpf_dtab_netdev *dev;
dev = container_of(rcu, struct bpf_dtab_netdev, rcu);
+ if (dev->xdp_prog)
+ bpf_prog_put(dev->xdp_prog);
dev_put(dev->dev);
kfree(dev);
}
@@ -542,9 +603,10 @@ static int dev_map_hash_delete_elem(struct bpf_map *map, void *key)
static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
struct bpf_dtab *dtab,
- u32 ifindex,
+ struct bpf_devmap_val *val,
unsigned int idx)
{
+ struct bpf_prog *prog = NULL;
struct bpf_dtab_netdev *dev;
dev = kmalloc_node(sizeof(*dev), GFP_ATOMIC | __GFP_NOWARN,
@@ -552,24 +614,46 @@ static struct bpf_dtab_netdev *__dev_map_alloc_node(struct net *net,
if (!dev)
return ERR_PTR(-ENOMEM);
- dev->dev = dev_get_by_index(net, ifindex);
- if (!dev->dev) {
- kfree(dev);
- return ERR_PTR(-EINVAL);
+ dev->dev = dev_get_by_index(net, val->ifindex);
+ if (!dev->dev)
+ goto err_out;
+
+ if (val->bpf_prog.fd >= 0) {
+ prog = bpf_prog_get_type_dev(val->bpf_prog.fd,
+ BPF_PROG_TYPE_XDP, false);
+ if (IS_ERR(prog))
+ goto err_put_dev;
+ if (prog->expected_attach_type != BPF_XDP_DEVMAP)
+ goto err_put_prog;
}
dev->idx = idx;
dev->dtab = dtab;
+ if (prog) {
+ dev->xdp_prog = prog;
+ dev->val.bpf_prog.id = prog->aux->id;
+ } else {
+ dev->xdp_prog = NULL;
+ dev->val.bpf_prog.id = 0;
+ }
+ dev->val.ifindex = val->ifindex;
return dev;
+err_put_prog:
+ bpf_prog_put(prog);
+err_put_dev:
+ dev_put(dev->dev);
+err_out:
+ kfree(dev);
+ return ERR_PTR(-EINVAL);
}
static int __dev_map_update_elem(struct net *net, struct bpf_map *map,
void *key, void *value, u64 map_flags)
{
struct bpf_dtab *dtab = container_of(map, struct bpf_dtab, map);
+ struct bpf_devmap_val val = { .bpf_prog.fd = -1 };
struct bpf_dtab_netdev *dev, *old_dev;
- u32 ifindex = *(u32 *)value;
u32 i = *(u32 *)key;
if (unlikely(map_flags > BPF_EXIST))
@@ -579,10 +663,16 @@ static int __dev_map_update_elem(struct net *net, struct bpf_map *map,
if (unlikely(map_flags == BPF_NOEXIST))
return -EEXIST;
- if (!ifindex) {
+ /* already verified value_size <= sizeof val */
+ memcpy(&val, value, map->value_size);
+
+ if (!val.ifindex) {
dev = NULL;
+ /* can not specify fd if ifindex is 0 */
+ if (val.bpf_prog.fd != -1)
+ return -EINVAL;
} else {
- dev = __dev_map_alloc_node(net, dtab, ifindex, i);
+ dev = __dev_map_alloc_node(net, dtab, &val, i);
if (IS_ERR(dev))
return PTR_ERR(dev);
}
@@ -609,13 +699,16 @@ static int __dev_map_hash_update_elem(struct net *net, struct bpf_map *map,
void *key, void *value, u64 map_flags)
{
struct bpf_dtab *dtab = container_of(map, struct bpf_dtab, map);
+ struct bpf_devmap_val val = { .bpf_prog.fd = -1 };
struct bpf_dtab_netdev *dev, *old_dev;
- u32 ifindex = *(u32 *)value;
u32 idx = *(u32 *)key;
unsigned long flags;
int err = -EEXIST;
- if (unlikely(map_flags > BPF_EXIST || !ifindex))
+ /* already verified value_size <= sizeof val */
+ memcpy(&val, value, map->value_size);
+
+ if (unlikely(map_flags > BPF_EXIST || !val.ifindex))
return -EINVAL;
spin_lock_irqsave(&dtab->index_lock, flags);
@@ -624,7 +717,7 @@ static int __dev_map_hash_update_elem(struct net *net, struct bpf_map *map,
if (old_dev && (map_flags & BPF_NOEXIST))
goto out_err;
- dev = __dev_map_alloc_node(net, dtab, ifindex, idx);
+ dev = __dev_map_alloc_node(net, dtab, &val, idx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_err;
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index d541c8486c95..b4b288a3c3c9 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -359,9 +359,9 @@ static int htab_map_alloc_check(union bpf_attr *attr)
BUILD_BUG_ON(offsetof(struct htab_elem, fnode.next) !=
offsetof(struct htab_elem, hash_node.pprev));
- if (lru && !capable(CAP_SYS_ADMIN))
+ if (lru && !bpf_capable())
/* LRU implementation is much complicated than other
- * maps. Hence, limit to CAP_SYS_ADMIN for now.
+ * maps. Hence, limit to CAP_BPF.
*/
return -EPERM;
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index bafc53ddd350..be43ab3e619f 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -151,7 +151,19 @@ BPF_CALL_0(bpf_ktime_get_ns)
const struct bpf_func_proto bpf_ktime_get_ns_proto = {
.func = bpf_ktime_get_ns,
- .gpl_only = true,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+};
+
+BPF_CALL_0(bpf_ktime_get_boot_ns)
+{
+ /* NMI safe access to clock boottime */
+ return ktime_get_boot_fast_ns();
+}
+
+const struct bpf_func_proto bpf_ktime_get_boot_ns_proto = {
+ .func = bpf_ktime_get_boot_ns,
+ .gpl_only = false,
.ret_type = RET_INTEGER,
};
@@ -562,3 +574,114 @@ const struct bpf_func_proto bpf_get_ns_current_pid_tgid_proto = {
.arg3_type = ARG_PTR_TO_UNINIT_MEM,
.arg4_type = ARG_CONST_SIZE,
};
+
+static const struct bpf_func_proto bpf_get_raw_smp_processor_id_proto = {
+ .func = bpf_get_raw_cpu_id,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+};
+
+BPF_CALL_5(bpf_event_output_data, void *, ctx, struct bpf_map *, map,
+ u64, flags, void *, data, u64, size)
+{
+ if (unlikely(flags & ~(BPF_F_INDEX_MASK)))
+ return -EINVAL;
+
+ return bpf_event_output(map, flags, data, size, NULL, 0, NULL);
+}
+
+const struct bpf_func_proto bpf_event_output_data_proto = {
+ .func = bpf_event_output_data,
+ .gpl_only = true,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_CONST_MAP_PTR,
+ .arg3_type = ARG_ANYTHING,
+ .arg4_type = ARG_PTR_TO_MEM,
+ .arg5_type = ARG_CONST_SIZE_OR_ZERO,
+};
+
+const struct bpf_func_proto bpf_get_current_task_proto __weak;
+const struct bpf_func_proto bpf_probe_read_user_proto __weak;
+const struct bpf_func_proto bpf_probe_read_user_str_proto __weak;
+const struct bpf_func_proto bpf_probe_read_kernel_proto __weak;
+const struct bpf_func_proto bpf_probe_read_kernel_str_proto __weak;
+
+const struct bpf_func_proto *
+bpf_base_func_proto(enum bpf_func_id func_id)
+{
+ switch (func_id) {
+ case BPF_FUNC_map_lookup_elem:
+ return &bpf_map_lookup_elem_proto;
+ case BPF_FUNC_map_update_elem:
+ return &bpf_map_update_elem_proto;
+ case BPF_FUNC_map_delete_elem:
+ return &bpf_map_delete_elem_proto;
+ case BPF_FUNC_map_push_elem:
+ return &bpf_map_push_elem_proto;
+ case BPF_FUNC_map_pop_elem:
+ return &bpf_map_pop_elem_proto;
+ case BPF_FUNC_map_peek_elem:
+ return &bpf_map_peek_elem_proto;
+ case BPF_FUNC_get_prandom_u32:
+ return &bpf_get_prandom_u32_proto;
+ case BPF_FUNC_get_smp_processor_id:
+ return &bpf_get_raw_smp_processor_id_proto;
+ case BPF_FUNC_get_numa_node_id:
+ return &bpf_get_numa_node_id_proto;
+ case BPF_FUNC_tail_call:
+ return &bpf_tail_call_proto;
+ case BPF_FUNC_ktime_get_ns:
+ return &bpf_ktime_get_ns_proto;
+ case BPF_FUNC_ktime_get_boot_ns:
+ return &bpf_ktime_get_boot_ns_proto;
+ case BPF_FUNC_ringbuf_output:
+ return &bpf_ringbuf_output_proto;
+ case BPF_FUNC_ringbuf_reserve:
+ return &bpf_ringbuf_reserve_proto;
+ case BPF_FUNC_ringbuf_submit:
+ return &bpf_ringbuf_submit_proto;
+ case BPF_FUNC_ringbuf_discard:
+ return &bpf_ringbuf_discard_proto;
+ case BPF_FUNC_ringbuf_query:
+ return &bpf_ringbuf_query_proto;
+ default:
+ break;
+ }
+
+ if (!bpf_capable())
+ return NULL;
+
+ switch (func_id) {
+ case BPF_FUNC_spin_lock:
+ return &bpf_spin_lock_proto;
+ case BPF_FUNC_spin_unlock:
+ return &bpf_spin_unlock_proto;
+ case BPF_FUNC_trace_printk:
+ if (!perfmon_capable())
+ return NULL;
+ return bpf_get_trace_printk_proto();
+ case BPF_FUNC_jiffies64:
+ return &bpf_jiffies64_proto;
+ default:
+ break;
+ }
+
+ if (!perfmon_capable())
+ return NULL;
+
+ switch (func_id) {
+ case BPF_FUNC_get_current_task:
+ return &bpf_get_current_task_proto;
+ case BPF_FUNC_probe_read_user:
+ return &bpf_probe_read_user_proto;
+ case BPF_FUNC_probe_read_kernel:
+ return &bpf_probe_read_kernel_proto;
+ case BPF_FUNC_probe_read_user_str:
+ return &bpf_probe_read_user_str_proto;
+ case BPF_FUNC_probe_read_kernel_str:
+ return &bpf_probe_read_kernel_str_proto;
+ default:
+ return NULL;
+ }
+}
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index 95087d9f4ed3..fb878ba3f22f 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -358,8 +358,11 @@ static int bpf_mkmap(struct dentry *dentry, umode_t mode, void *arg)
static int bpf_mklink(struct dentry *dentry, umode_t mode, void *arg)
{
+ struct bpf_link *link = arg;
+
return bpf_mkobj_ops(dentry, mode, arg, &bpf_link_iops,
- &bpffs_obj_fops);
+ bpf_link_is_iter(link) ?
+ &bpf_iter_fops : &bpffs_obj_fops);
}
static struct dentry *
diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c
index 65c236cf341e..c8cc4e4cf98d 100644
--- a/kernel/bpf/lpm_trie.c
+++ b/kernel/bpf/lpm_trie.c
@@ -543,7 +543,7 @@ static struct bpf_map *trie_alloc(union bpf_attr *attr)
u64 cost = sizeof(*trie), cost_per_node;
int ret;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
/* check sanity of attributes */
diff --git a/kernel/bpf/map_in_map.c b/kernel/bpf/map_in_map.c
index b3c48d1533cb..17738c93bec8 100644
--- a/kernel/bpf/map_in_map.c
+++ b/kernel/bpf/map_in_map.c
@@ -60,7 +60,7 @@ struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd)
/* Misc members not needed in bpf_map_meta_equal() check. */
inner_map_meta->ops = inner_map->ops;
if (inner_map->ops == &array_map_ops) {
- inner_map_meta->unpriv_array = inner_map->unpriv_array;
+ inner_map_meta->bypass_spec_v1 = inner_map->bypass_spec_v1;
container_of(inner_map_meta, struct bpf_array, map)->index_mask =
container_of(inner_map, struct bpf_array, map)->index_mask;
}
diff --git a/kernel/bpf/map_iter.c b/kernel/bpf/map_iter.c
new file mode 100644
index 000000000000..c69071e334bf
--- /dev/null
+++ b/kernel/bpf/map_iter.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+#include <linux/bpf.h>
+#include <linux/fs.h>
+#include <linux/filter.h>
+#include <linux/kernel.h>
+
+struct bpf_iter_seq_map_info {
+ u32 mid;
+};
+
+static void *bpf_map_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ struct bpf_iter_seq_map_info *info = seq->private;
+ struct bpf_map *map;
+
+ map = bpf_map_get_curr_or_next(&info->mid);
+ if (!map)
+ return NULL;
+
+ ++*pos;
+ return map;
+}
+
+static void *bpf_map_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct bpf_iter_seq_map_info *info = seq->private;
+ struct bpf_map *map;
+
+ ++*pos;
+ ++info->mid;
+ bpf_map_put((struct bpf_map *)v);
+ map = bpf_map_get_curr_or_next(&info->mid);
+ if (!map)
+ return NULL;
+
+ return map;
+}
+
+struct bpf_iter__bpf_map {
+ __bpf_md_ptr(struct bpf_iter_meta *, meta);
+ __bpf_md_ptr(struct bpf_map *, map);
+};
+
+DEFINE_BPF_ITER_FUNC(bpf_map, struct bpf_iter_meta *meta, struct bpf_map *map)
+
+static int __bpf_map_seq_show(struct seq_file *seq, void *v, bool in_stop)
+{
+ struct bpf_iter__bpf_map ctx;
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+ int ret = 0;
+
+ ctx.meta = &meta;
+ ctx.map = v;
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, in_stop);
+ if (prog)
+ ret = bpf_iter_run_prog(prog, &ctx);
+
+ return ret;
+}
+
+static int bpf_map_seq_show(struct seq_file *seq, void *v)
+{
+ return __bpf_map_seq_show(seq, v, false);
+}
+
+static void bpf_map_seq_stop(struct seq_file *seq, void *v)
+{
+ if (!v)
+ (void)__bpf_map_seq_show(seq, v, true);
+ else
+ bpf_map_put((struct bpf_map *)v);
+}
+
+static const struct seq_operations bpf_map_seq_ops = {
+ .start = bpf_map_seq_start,
+ .next = bpf_map_seq_next,
+ .stop = bpf_map_seq_stop,
+ .show = bpf_map_seq_show,
+};
+
+static const struct bpf_iter_reg bpf_map_reg_info = {
+ .target = "bpf_map",
+ .seq_ops = &bpf_map_seq_ops,
+ .init_seq_private = NULL,
+ .fini_seq_private = NULL,
+ .seq_priv_size = sizeof(struct bpf_iter_seq_map_info),
+ .ctx_arg_info_size = 1,
+ .ctx_arg_info = {
+ { offsetof(struct bpf_iter__bpf_map, map),
+ PTR_TO_BTF_ID_OR_NULL },
+ },
+};
+
+static int __init bpf_map_iter_init(void)
+{
+ return bpf_iter_reg_target(&bpf_map_reg_info);
+}
+
+late_initcall(bpf_map_iter_init);
diff --git a/kernel/bpf/net_namespace.c b/kernel/bpf/net_namespace.c
new file mode 100644
index 000000000000..78cf061f8179
--- /dev/null
+++ b/kernel/bpf/net_namespace.c
@@ -0,0 +1,373 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/bpf.h>
+#include <linux/filter.h>
+#include <net/net_namespace.h>
+
+/*
+ * Functions to manage BPF programs attached to netns
+ */
+
+struct bpf_netns_link {
+ struct bpf_link link;
+ enum bpf_attach_type type;
+ enum netns_bpf_attach_type netns_type;
+
+ /* We don't hold a ref to net in order to auto-detach the link
+ * when netns is going away. Instead we rely on pernet
+ * pre_exit callback to clear this pointer. Must be accessed
+ * with netns_bpf_mutex held.
+ */
+ struct net *net;
+};
+
+/* Protects updates to netns_bpf */
+DEFINE_MUTEX(netns_bpf_mutex);
+
+/* Must be called with netns_bpf_mutex held. */
+static void __net_exit bpf_netns_link_auto_detach(struct bpf_link *link)
+{
+ struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+
+ net_link->net = NULL;
+}
+
+static void bpf_netns_link_release(struct bpf_link *link)
+{
+ struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+ enum netns_bpf_attach_type type = net_link->netns_type;
+ struct net *net;
+
+ /* Link auto-detached by dying netns. */
+ if (!net_link->net)
+ return;
+
+ mutex_lock(&netns_bpf_mutex);
+
+ /* Recheck after potential sleep. We can race with cleanup_net
+ * here, but if we see a non-NULL struct net pointer pre_exit
+ * has not happened yet and will block on netns_bpf_mutex.
+ */
+ net = net_link->net;
+ if (!net)
+ goto out_unlock;
+
+ net->bpf.links[type] = NULL;
+ RCU_INIT_POINTER(net->bpf.progs[type], NULL);
+
+out_unlock:
+ mutex_unlock(&netns_bpf_mutex);
+}
+
+static void bpf_netns_link_dealloc(struct bpf_link *link)
+{
+ struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+
+ kfree(net_link);
+}
+
+static int bpf_netns_link_update_prog(struct bpf_link *link,
+ struct bpf_prog *new_prog,
+ struct bpf_prog *old_prog)
+{
+ struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+ enum netns_bpf_attach_type type = net_link->netns_type;
+ struct net *net;
+ int ret = 0;
+
+ if (old_prog && old_prog != link->prog)
+ return -EPERM;
+ if (new_prog->type != link->prog->type)
+ return -EINVAL;
+
+ mutex_lock(&netns_bpf_mutex);
+
+ net = net_link->net;
+ if (!net || !check_net(net)) {
+ /* Link auto-detached or netns dying */
+ ret = -ENOLINK;
+ goto out_unlock;
+ }
+
+ old_prog = xchg(&link->prog, new_prog);
+ rcu_assign_pointer(net->bpf.progs[type], new_prog);
+ bpf_prog_put(old_prog);
+
+out_unlock:
+ mutex_unlock(&netns_bpf_mutex);
+ return ret;
+}
+
+static int bpf_netns_link_fill_info(const struct bpf_link *link,
+ struct bpf_link_info *info)
+{
+ const struct bpf_netns_link *net_link =
+ container_of(link, struct bpf_netns_link, link);
+ unsigned int inum = 0;
+ struct net *net;
+
+ mutex_lock(&netns_bpf_mutex);
+ net = net_link->net;
+ if (net && check_net(net))
+ inum = net->ns.inum;
+ mutex_unlock(&netns_bpf_mutex);
+
+ info->netns.netns_ino = inum;
+ info->netns.attach_type = net_link->type;
+ return 0;
+}
+
+static void bpf_netns_link_show_fdinfo(const struct bpf_link *link,
+ struct seq_file *seq)
+{
+ struct bpf_link_info info = {};
+
+ bpf_netns_link_fill_info(link, &info);
+ seq_printf(seq,
+ "netns_ino:\t%u\n"
+ "attach_type:\t%u\n",
+ info.netns.netns_ino,
+ info.netns.attach_type);
+}
+
+static const struct bpf_link_ops bpf_netns_link_ops = {
+ .release = bpf_netns_link_release,
+ .dealloc = bpf_netns_link_dealloc,
+ .update_prog = bpf_netns_link_update_prog,
+ .fill_link_info = bpf_netns_link_fill_info,
+ .show_fdinfo = bpf_netns_link_show_fdinfo,
+};
+
+int netns_bpf_prog_query(const union bpf_attr *attr,
+ union bpf_attr __user *uattr)
+{
+ __u32 __user *prog_ids = u64_to_user_ptr(attr->query.prog_ids);
+ u32 prog_id, prog_cnt = 0, flags = 0;
+ enum netns_bpf_attach_type type;
+ struct bpf_prog *attached;
+ struct net *net;
+
+ if (attr->query.query_flags)
+ return -EINVAL;
+
+ type = to_netns_bpf_attach_type(attr->query.attach_type);
+ if (type < 0)
+ return -EINVAL;
+
+ net = get_net_ns_by_fd(attr->query.target_fd);
+ if (IS_ERR(net))
+ return PTR_ERR(net);
+
+ rcu_read_lock();
+ attached = rcu_dereference(net->bpf.progs[type]);
+ if (attached) {
+ prog_cnt = 1;
+ prog_id = attached->aux->id;
+ }
+ rcu_read_unlock();
+
+ put_net(net);
+
+ if (copy_to_user(&uattr->query.attach_flags, &flags, sizeof(flags)))
+ return -EFAULT;
+ if (copy_to_user(&uattr->query.prog_cnt, &prog_cnt, sizeof(prog_cnt)))
+ return -EFAULT;
+
+ if (!attr->query.prog_cnt || !prog_ids || !prog_cnt)
+ return 0;
+
+ if (copy_to_user(prog_ids, &prog_id, sizeof(u32)))
+ return -EFAULT;
+
+ return 0;
+}
+
+int netns_bpf_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
+{
+ enum netns_bpf_attach_type type;
+ struct net *net;
+ int ret;
+
+ type = to_netns_bpf_attach_type(attr->attach_type);
+ if (type < 0)
+ return -EINVAL;
+
+ net = current->nsproxy->net_ns;
+ mutex_lock(&netns_bpf_mutex);
+
+ /* Attaching prog directly is not compatible with links */
+ if (net->bpf.links[type]) {
+ ret = -EEXIST;
+ goto out_unlock;
+ }
+
+ switch (type) {
+ case NETNS_BPF_FLOW_DISSECTOR:
+ ret = flow_dissector_bpf_prog_attach(net, prog);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+out_unlock:
+ mutex_unlock(&netns_bpf_mutex);
+
+ return ret;
+}
+
+/* Must be called with netns_bpf_mutex held. */
+static int __netns_bpf_prog_detach(struct net *net,
+ enum netns_bpf_attach_type type)
+{
+ struct bpf_prog *attached;
+
+ /* Progs attached via links cannot be detached */
+ if (net->bpf.links[type])
+ return -EINVAL;
+
+ attached = rcu_dereference_protected(net->bpf.progs[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ if (!attached)
+ return -ENOENT;
+ RCU_INIT_POINTER(net->bpf.progs[type], NULL);
+ bpf_prog_put(attached);
+ return 0;
+}
+
+int netns_bpf_prog_detach(const union bpf_attr *attr)
+{
+ enum netns_bpf_attach_type type;
+ int ret;
+
+ type = to_netns_bpf_attach_type(attr->attach_type);
+ if (type < 0)
+ return -EINVAL;
+
+ mutex_lock(&netns_bpf_mutex);
+ ret = __netns_bpf_prog_detach(current->nsproxy->net_ns, type);
+ mutex_unlock(&netns_bpf_mutex);
+
+ return ret;
+}
+
+static int netns_bpf_link_attach(struct net *net, struct bpf_link *link,
+ enum netns_bpf_attach_type type)
+{
+ struct bpf_prog *prog;
+ int err;
+
+ mutex_lock(&netns_bpf_mutex);
+
+ /* Allow attaching only one prog or link for now */
+ if (net->bpf.links[type]) {
+ err = -E2BIG;
+ goto out_unlock;
+ }
+ /* Links are not compatible with attaching prog directly */
+ prog = rcu_dereference_protected(net->bpf.progs[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ if (prog) {
+ err = -EEXIST;
+ goto out_unlock;
+ }
+
+ switch (type) {
+ case NETNS_BPF_FLOW_DISSECTOR:
+ err = flow_dissector_bpf_prog_attach(net, link->prog);
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+ if (err)
+ goto out_unlock;
+
+ net->bpf.links[type] = link;
+
+out_unlock:
+ mutex_unlock(&netns_bpf_mutex);
+ return err;
+}
+
+int netns_bpf_link_create(const union bpf_attr *attr, struct bpf_prog *prog)
+{
+ enum netns_bpf_attach_type netns_type;
+ struct bpf_link_primer link_primer;
+ struct bpf_netns_link *net_link;
+ enum bpf_attach_type type;
+ struct net *net;
+ int err;
+
+ if (attr->link_create.flags)
+ return -EINVAL;
+
+ type = attr->link_create.attach_type;
+ netns_type = to_netns_bpf_attach_type(type);
+ if (netns_type < 0)
+ return -EINVAL;
+
+ net = get_net_ns_by_fd(attr->link_create.target_fd);
+ if (IS_ERR(net))
+ return PTR_ERR(net);
+
+ net_link = kzalloc(sizeof(*net_link), GFP_USER);
+ if (!net_link) {
+ err = -ENOMEM;
+ goto out_put_net;
+ }
+ bpf_link_init(&net_link->link, BPF_LINK_TYPE_NETNS,
+ &bpf_netns_link_ops, prog);
+ net_link->net = net;
+ net_link->type = type;
+ net_link->netns_type = netns_type;
+
+ err = bpf_link_prime(&net_link->link, &link_primer);
+ if (err) {
+ kfree(net_link);
+ goto out_put_net;
+ }
+
+ err = netns_bpf_link_attach(net, &net_link->link, netns_type);
+ if (err) {
+ bpf_link_cleanup(&link_primer);
+ goto out_put_net;
+ }
+
+ put_net(net);
+ return bpf_link_settle(&link_primer);
+
+out_put_net:
+ put_net(net);
+ return err;
+}
+
+static void __net_exit netns_bpf_pernet_pre_exit(struct net *net)
+{
+ enum netns_bpf_attach_type type;
+ struct bpf_link *link;
+
+ mutex_lock(&netns_bpf_mutex);
+ for (type = 0; type < MAX_NETNS_BPF_ATTACH_TYPE; type++) {
+ link = net->bpf.links[type];
+ if (link)
+ bpf_netns_link_auto_detach(link);
+ else
+ __netns_bpf_prog_detach(net, type);
+ }
+ mutex_unlock(&netns_bpf_mutex);
+}
+
+static struct pernet_operations netns_bpf_pernet_ops __net_initdata = {
+ .pre_exit = netns_bpf_pernet_pre_exit,
+};
+
+static int __init netns_bpf_init(void)
+{
+ return register_pernet_subsys(&netns_bpf_pernet_ops);
+}
+
+subsys_initcall(netns_bpf_init);
diff --git a/kernel/bpf/queue_stack_maps.c b/kernel/bpf/queue_stack_maps.c
index f697647ceb54..05c8e043b9d2 100644
--- a/kernel/bpf/queue_stack_maps.c
+++ b/kernel/bpf/queue_stack_maps.c
@@ -19,7 +19,7 @@ struct bpf_queue_stack {
u32 head, tail;
u32 size; /* max_entries + 1 */
- char elements[0] __aligned(8);
+ char elements[] __aligned(8);
};
static struct bpf_queue_stack *bpf_queue_stack(struct bpf_map *map)
@@ -45,7 +45,7 @@ static bool queue_stack_map_is_full(struct bpf_queue_stack *qs)
/* Called from syscall */
static int queue_stack_map_alloc_check(union bpf_attr *attr)
{
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return -EPERM;
/* check sanity of attributes */
diff --git a/kernel/bpf/reuseport_array.c b/kernel/bpf/reuseport_array.c
index 01badd3eda7a..21cde24386db 100644
--- a/kernel/bpf/reuseport_array.c
+++ b/kernel/bpf/reuseport_array.c
@@ -154,7 +154,7 @@ static struct bpf_map *reuseport_array_alloc(union bpf_attr *attr)
struct bpf_map_memory mem;
u64 array_size;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
array_size = sizeof(*array);
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c
new file mode 100644
index 000000000000..180414bb0d3e
--- /dev/null
+++ b/kernel/bpf/ringbuf.c
@@ -0,0 +1,501 @@
+#include <linux/bpf.h>
+#include <linux/btf.h>
+#include <linux/err.h>
+#include <linux/irq_work.h>
+#include <linux/slab.h>
+#include <linux/filter.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/wait.h>
+#include <linux/poll.h>
+#include <uapi/linux/btf.h>
+
+#define RINGBUF_CREATE_FLAG_MASK (BPF_F_NUMA_NODE)
+
+/* non-mmap()'able part of bpf_ringbuf (everything up to consumer page) */
+#define RINGBUF_PGOFF \
+ (offsetof(struct bpf_ringbuf, consumer_pos) >> PAGE_SHIFT)
+/* consumer page and producer page */
+#define RINGBUF_POS_PAGES 2
+
+#define RINGBUF_MAX_RECORD_SZ (UINT_MAX/4)
+
+/* Maximum size of ring buffer area is limited by 32-bit page offset within
+ * record header, counted in pages. Reserve 8 bits for extensibility, and take
+ * into account few extra pages for consumer/producer pages and
+ * non-mmap()'able parts. This gives 64GB limit, which seems plenty for single
+ * ring buffer.
+ */
+#define RINGBUF_MAX_DATA_SZ \
+ (((1ULL << 24) - RINGBUF_POS_PAGES - RINGBUF_PGOFF) * PAGE_SIZE)
+
+struct bpf_ringbuf {
+ wait_queue_head_t waitq;
+ struct irq_work work;
+ u64 mask;
+ struct page **pages;
+ int nr_pages;
+ spinlock_t spinlock ____cacheline_aligned_in_smp;
+ /* Consumer and producer counters are put into separate pages to allow
+ * mapping consumer page as r/w, but restrict producer page to r/o.
+ * This protects producer position from being modified by user-space
+ * application and ruining in-kernel position tracking.
+ */
+ unsigned long consumer_pos __aligned(PAGE_SIZE);
+ unsigned long producer_pos __aligned(PAGE_SIZE);
+ char data[] __aligned(PAGE_SIZE);
+};
+
+struct bpf_ringbuf_map {
+ struct bpf_map map;
+ struct bpf_map_memory memory;
+ struct bpf_ringbuf *rb;
+};
+
+/* 8-byte ring buffer record header structure */
+struct bpf_ringbuf_hdr {
+ u32 len;
+ u32 pg_off;
+};
+
+static struct bpf_ringbuf *bpf_ringbuf_area_alloc(size_t data_sz, int numa_node)
+{
+ const gfp_t flags = GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_NOWARN |
+ __GFP_ZERO;
+ int nr_meta_pages = RINGBUF_PGOFF + RINGBUF_POS_PAGES;
+ int nr_data_pages = data_sz >> PAGE_SHIFT;
+ int nr_pages = nr_meta_pages + nr_data_pages;
+ struct page **pages, *page;
+ struct bpf_ringbuf *rb;
+ size_t array_size;
+ int i;
+
+ /* Each data page is mapped twice to allow "virtual"
+ * continuous read of samples wrapping around the end of ring
+ * buffer area:
+ * ------------------------------------------------------
+ * | meta pages | real data pages | same data pages |
+ * ------------------------------------------------------
+ * | | 1 2 3 4 5 6 7 8 9 | 1 2 3 4 5 6 7 8 9 |
+ * ------------------------------------------------------
+ * | | TA DA | TA DA |
+ * ------------------------------------------------------
+ * ^^^^^^^
+ * |
+ * Here, no need to worry about special handling of wrapped-around
+ * data due to double-mapped data pages. This works both in kernel and
+ * when mmap()'ed in user-space, simplifying both kernel and
+ * user-space implementations significantly.
+ */
+ array_size = (nr_meta_pages + 2 * nr_data_pages) * sizeof(*pages);
+ if (array_size > PAGE_SIZE)
+ pages = vmalloc_node(array_size, numa_node);
+ else
+ pages = kmalloc_node(array_size, flags, numa_node);
+ if (!pages)
+ return NULL;
+
+ for (i = 0; i < nr_pages; i++) {
+ page = alloc_pages_node(numa_node, flags, 0);
+ if (!page) {
+ nr_pages = i;
+ goto err_free_pages;
+ }
+ pages[i] = page;
+ if (i >= nr_meta_pages)
+ pages[nr_data_pages + i] = page;
+ }
+
+ rb = vmap(pages, nr_meta_pages + 2 * nr_data_pages,
+ VM_ALLOC | VM_USERMAP, PAGE_KERNEL);
+ if (rb) {
+ rb->pages = pages;
+ rb->nr_pages = nr_pages;
+ return rb;
+ }
+
+err_free_pages:
+ for (i = 0; i < nr_pages; i++)
+ __free_page(pages[i]);
+ kvfree(pages);
+ return NULL;
+}
+
+static void bpf_ringbuf_notify(struct irq_work *work)
+{
+ struct bpf_ringbuf *rb = container_of(work, struct bpf_ringbuf, work);
+
+ wake_up_all(&rb->waitq);
+}
+
+static struct bpf_ringbuf *bpf_ringbuf_alloc(size_t data_sz, int numa_node)
+{
+ struct bpf_ringbuf *rb;
+
+ if (!data_sz || !PAGE_ALIGNED(data_sz))
+ return ERR_PTR(-EINVAL);
+
+#ifdef CONFIG_64BIT
+ /* on 32-bit arch, it's impossible to overflow record's hdr->pgoff */
+ if (data_sz > RINGBUF_MAX_DATA_SZ)
+ return ERR_PTR(-E2BIG);
+#endif
+
+ rb = bpf_ringbuf_area_alloc(data_sz, numa_node);
+ if (!rb)
+ return ERR_PTR(-ENOMEM);
+
+ spin_lock_init(&rb->spinlock);
+ init_waitqueue_head(&rb->waitq);
+ init_irq_work(&rb->work, bpf_ringbuf_notify);
+
+ rb->mask = data_sz - 1;
+ rb->consumer_pos = 0;
+ rb->producer_pos = 0;
+
+ return rb;
+}
+
+static struct bpf_map *ringbuf_map_alloc(union bpf_attr *attr)
+{
+ struct bpf_ringbuf_map *rb_map;
+ u64 cost;
+ int err;
+
+ if (attr->map_flags & ~RINGBUF_CREATE_FLAG_MASK)
+ return ERR_PTR(-EINVAL);
+
+ if (attr->key_size || attr->value_size ||
+ attr->max_entries == 0 || !PAGE_ALIGNED(attr->max_entries))
+ return ERR_PTR(-EINVAL);
+
+ rb_map = kzalloc(sizeof(*rb_map), GFP_USER);
+ if (!rb_map)
+ return ERR_PTR(-ENOMEM);
+
+ bpf_map_init_from_attr(&rb_map->map, attr);
+
+ cost = sizeof(struct bpf_ringbuf_map) +
+ sizeof(struct bpf_ringbuf) +
+ attr->max_entries;
+ err = bpf_map_charge_init(&rb_map->map.memory, cost);
+ if (err)
+ goto err_free_map;
+
+ rb_map->rb = bpf_ringbuf_alloc(attr->max_entries, rb_map->map.numa_node);
+ if (IS_ERR(rb_map->rb)) {
+ err = PTR_ERR(rb_map->rb);
+ goto err_uncharge;
+ }
+
+ return &rb_map->map;
+
+err_uncharge:
+ bpf_map_charge_finish(&rb_map->map.memory);
+err_free_map:
+ kfree(rb_map);
+ return ERR_PTR(err);
+}
+
+static void bpf_ringbuf_free(struct bpf_ringbuf *rb)
+{
+ /* copy pages pointer and nr_pages to local variable, as we are going
+ * to unmap rb itself with vunmap() below
+ */
+ struct page **pages = rb->pages;
+ int i, nr_pages = rb->nr_pages;
+
+ vunmap(rb);
+ for (i = 0; i < nr_pages; i++)
+ __free_page(pages[i]);
+ kvfree(pages);
+}
+
+static void ringbuf_map_free(struct bpf_map *map)
+{
+ struct bpf_ringbuf_map *rb_map;
+
+ /* at this point bpf_prog->aux->refcnt == 0 and this map->refcnt == 0,
+ * so the programs (can be more than one that used this map) were
+ * disconnected from events. Wait for outstanding critical sections in
+ * these programs to complete
+ */
+ synchronize_rcu();
+
+ rb_map = container_of(map, struct bpf_ringbuf_map, map);
+ bpf_ringbuf_free(rb_map->rb);
+ kfree(rb_map);
+}
+
+static void *ringbuf_map_lookup_elem(struct bpf_map *map, void *key)
+{
+ return ERR_PTR(-ENOTSUPP);
+}
+
+static int ringbuf_map_update_elem(struct bpf_map *map, void *key, void *value,
+ u64 flags)
+{
+ return -ENOTSUPP;
+}
+
+static int ringbuf_map_delete_elem(struct bpf_map *map, void *key)
+{
+ return -ENOTSUPP;
+}
+
+static int ringbuf_map_get_next_key(struct bpf_map *map, void *key,
+ void *next_key)
+{
+ return -ENOTSUPP;
+}
+
+static size_t bpf_ringbuf_mmap_page_cnt(const struct bpf_ringbuf *rb)
+{
+ size_t data_pages = (rb->mask + 1) >> PAGE_SHIFT;
+
+ /* consumer page + producer page + 2 x data pages */
+ return RINGBUF_POS_PAGES + 2 * data_pages;
+}
+
+static int ringbuf_map_mmap(struct bpf_map *map, struct vm_area_struct *vma)
+{
+ struct bpf_ringbuf_map *rb_map;
+ size_t mmap_sz;
+
+ rb_map = container_of(map, struct bpf_ringbuf_map, map);
+ mmap_sz = bpf_ringbuf_mmap_page_cnt(rb_map->rb) << PAGE_SHIFT;
+
+ if (vma->vm_pgoff * PAGE_SIZE + (vma->vm_end - vma->vm_start) > mmap_sz)
+ return -EINVAL;
+
+ return remap_vmalloc_range(vma, rb_map->rb,
+ vma->vm_pgoff + RINGBUF_PGOFF);
+}
+
+static unsigned long ringbuf_avail_data_sz(struct bpf_ringbuf *rb)
+{
+ unsigned long cons_pos, prod_pos;
+
+ cons_pos = smp_load_acquire(&rb->consumer_pos);
+ prod_pos = smp_load_acquire(&rb->producer_pos);
+ return prod_pos - cons_pos;
+}
+
+static __poll_t ringbuf_map_poll(struct bpf_map *map, struct file *filp,
+ struct poll_table_struct *pts)
+{
+ struct bpf_ringbuf_map *rb_map;
+
+ rb_map = container_of(map, struct bpf_ringbuf_map, map);
+ poll_wait(filp, &rb_map->rb->waitq, pts);
+
+ if (ringbuf_avail_data_sz(rb_map->rb))
+ return EPOLLIN | EPOLLRDNORM;
+ return 0;
+}
+
+const struct bpf_map_ops ringbuf_map_ops = {
+ .map_alloc = ringbuf_map_alloc,
+ .map_free = ringbuf_map_free,
+ .map_mmap = ringbuf_map_mmap,
+ .map_poll = ringbuf_map_poll,
+ .map_lookup_elem = ringbuf_map_lookup_elem,
+ .map_update_elem = ringbuf_map_update_elem,
+ .map_delete_elem = ringbuf_map_delete_elem,
+ .map_get_next_key = ringbuf_map_get_next_key,
+};
+
+/* Given pointer to ring buffer record metadata and struct bpf_ringbuf itself,
+ * calculate offset from record metadata to ring buffer in pages, rounded
+ * down. This page offset is stored as part of record metadata and allows to
+ * restore struct bpf_ringbuf * from record pointer. This page offset is
+ * stored at offset 4 of record metadata header.
+ */
+static size_t bpf_ringbuf_rec_pg_off(struct bpf_ringbuf *rb,
+ struct bpf_ringbuf_hdr *hdr)
+{
+ return ((void *)hdr - (void *)rb) >> PAGE_SHIFT;
+}
+
+/* Given pointer to ring buffer record header, restore pointer to struct
+ * bpf_ringbuf itself by using page offset stored at offset 4
+ */
+static struct bpf_ringbuf *
+bpf_ringbuf_restore_from_rec(struct bpf_ringbuf_hdr *hdr)
+{
+ unsigned long addr = (unsigned long)(void *)hdr;
+ unsigned long off = (unsigned long)hdr->pg_off << PAGE_SHIFT;
+
+ return (void*)((addr & PAGE_MASK) - off);
+}
+
+static void *__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
+{
+ unsigned long cons_pos, prod_pos, new_prod_pos, flags;
+ u32 len, pg_off;
+ struct bpf_ringbuf_hdr *hdr;
+
+ if (unlikely(size > RINGBUF_MAX_RECORD_SZ))
+ return NULL;
+
+ len = round_up(size + BPF_RINGBUF_HDR_SZ, 8);
+ cons_pos = smp_load_acquire(&rb->consumer_pos);
+
+ if (in_nmi()) {
+ if (!spin_trylock_irqsave(&rb->spinlock, flags))
+ return NULL;
+ } else {
+ spin_lock_irqsave(&rb->spinlock, flags);
+ }
+
+ prod_pos = rb->producer_pos;
+ new_prod_pos = prod_pos + len;
+
+ /* check for out of ringbuf space by ensuring producer position
+ * doesn't advance more than (ringbuf_size - 1) ahead
+ */
+ if (new_prod_pos - cons_pos > rb->mask) {
+ spin_unlock_irqrestore(&rb->spinlock, flags);
+ return NULL;
+ }
+
+ hdr = (void *)rb->data + (prod_pos & rb->mask);
+ pg_off = bpf_ringbuf_rec_pg_off(rb, hdr);
+ hdr->len = size | BPF_RINGBUF_BUSY_BIT;
+ hdr->pg_off = pg_off;
+
+ /* pairs with consumer's smp_load_acquire() */
+ smp_store_release(&rb->producer_pos, new_prod_pos);
+
+ spin_unlock_irqrestore(&rb->spinlock, flags);
+
+ return (void *)hdr + BPF_RINGBUF_HDR_SZ;
+}
+
+BPF_CALL_3(bpf_ringbuf_reserve, struct bpf_map *, map, u64, size, u64, flags)
+{
+ struct bpf_ringbuf_map *rb_map;
+
+ if (unlikely(flags))
+ return 0;
+
+ rb_map = container_of(map, struct bpf_ringbuf_map, map);
+ return (unsigned long)__bpf_ringbuf_reserve(rb_map->rb, size);
+}
+
+const struct bpf_func_proto bpf_ringbuf_reserve_proto = {
+ .func = bpf_ringbuf_reserve,
+ .ret_type = RET_PTR_TO_ALLOC_MEM_OR_NULL,
+ .arg1_type = ARG_CONST_MAP_PTR,
+ .arg2_type = ARG_CONST_ALLOC_SIZE_OR_ZERO,
+ .arg3_type = ARG_ANYTHING,
+};
+
+static void bpf_ringbuf_commit(void *sample, u64 flags, bool discard)
+{
+ unsigned long rec_pos, cons_pos;
+ struct bpf_ringbuf_hdr *hdr;
+ struct bpf_ringbuf *rb;
+ u32 new_len;
+
+ hdr = sample - BPF_RINGBUF_HDR_SZ;
+ rb = bpf_ringbuf_restore_from_rec(hdr);
+ new_len = hdr->len ^ BPF_RINGBUF_BUSY_BIT;
+ if (discard)
+ new_len |= BPF_RINGBUF_DISCARD_BIT;
+
+ /* update record header with correct final size prefix */
+ xchg(&hdr->len, new_len);
+
+ /* if consumer caught up and is waiting for our record, notify about
+ * new data availability
+ */
+ rec_pos = (void *)hdr - (void *)rb->data;
+ cons_pos = smp_load_acquire(&rb->consumer_pos) & rb->mask;
+
+ if (flags & BPF_RB_FORCE_WAKEUP)
+ irq_work_queue(&rb->work);
+ else if (cons_pos == rec_pos && !(flags & BPF_RB_NO_WAKEUP))
+ irq_work_queue(&rb->work);
+}
+
+BPF_CALL_2(bpf_ringbuf_submit, void *, sample, u64, flags)
+{
+ bpf_ringbuf_commit(sample, flags, false /* discard */);
+ return 0;
+}
+
+const struct bpf_func_proto bpf_ringbuf_submit_proto = {
+ .func = bpf_ringbuf_submit,
+ .ret_type = RET_VOID,
+ .arg1_type = ARG_PTR_TO_ALLOC_MEM,
+ .arg2_type = ARG_ANYTHING,
+};
+
+BPF_CALL_2(bpf_ringbuf_discard, void *, sample, u64, flags)
+{
+ bpf_ringbuf_commit(sample, flags, true /* discard */);
+ return 0;
+}
+
+const struct bpf_func_proto bpf_ringbuf_discard_proto = {
+ .func = bpf_ringbuf_discard,
+ .ret_type = RET_VOID,
+ .arg1_type = ARG_PTR_TO_ALLOC_MEM,
+ .arg2_type = ARG_ANYTHING,
+};
+
+BPF_CALL_4(bpf_ringbuf_output, struct bpf_map *, map, void *, data, u64, size,
+ u64, flags)
+{
+ struct bpf_ringbuf_map *rb_map;
+ void *rec;
+
+ if (unlikely(flags & ~(BPF_RB_NO_WAKEUP | BPF_RB_FORCE_WAKEUP)))
+ return -EINVAL;
+
+ rb_map = container_of(map, struct bpf_ringbuf_map, map);
+ rec = __bpf_ringbuf_reserve(rb_map->rb, size);
+ if (!rec)
+ return -EAGAIN;
+
+ memcpy(rec, data, size);
+ bpf_ringbuf_commit(rec, flags, false /* discard */);
+ return 0;
+}
+
+const struct bpf_func_proto bpf_ringbuf_output_proto = {
+ .func = bpf_ringbuf_output,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_CONST_MAP_PTR,
+ .arg2_type = ARG_PTR_TO_MEM,
+ .arg3_type = ARG_CONST_SIZE_OR_ZERO,
+ .arg4_type = ARG_ANYTHING,
+};
+
+BPF_CALL_2(bpf_ringbuf_query, struct bpf_map *, map, u64, flags)
+{
+ struct bpf_ringbuf *rb;
+
+ rb = container_of(map, struct bpf_ringbuf_map, map)->rb;
+
+ switch (flags) {
+ case BPF_RB_AVAIL_DATA:
+ return ringbuf_avail_data_sz(rb);
+ case BPF_RB_RING_SIZE:
+ return rb->mask + 1;
+ case BPF_RB_CONS_POS:
+ return smp_load_acquire(&rb->consumer_pos);
+ case BPF_RB_PROD_POS:
+ return smp_load_acquire(&rb->producer_pos);
+ default:
+ return 0;
+ }
+}
+
+const struct bpf_func_proto bpf_ringbuf_query_proto = {
+ .func = bpf_ringbuf_query,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_CONST_MAP_PTR,
+ .arg2_type = ARG_ANYTHING,
+};
diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index db76339fe358..7b8381ce40a0 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -93,7 +93,7 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
u64 cost, n_buckets;
int err;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
if (attr->map_flags & ~STACK_CREATE_FLAG_MASK)
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index d85f37239540..4d530b1d5683 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -25,7 +25,10 @@
#include <linux/nospec.h>
#include <linux/audit.h>
#include <uapi/linux/btf.h>
+#include <asm/pgtable.h>
#include <linux/bpf_lsm.h>
+#include <linux/poll.h>
+#include <linux/bpf-netns.h>
#define IS_FD_ARRAY(map) ((map)->map_type == BPF_MAP_TYPE_PERF_EVENT_ARRAY || \
(map)->map_type == BPF_MAP_TYPE_CGROUP_ARRAY || \
@@ -42,6 +45,8 @@ static DEFINE_IDR(prog_idr);
static DEFINE_SPINLOCK(prog_idr_lock);
static DEFINE_IDR(map_idr);
static DEFINE_SPINLOCK(map_idr_lock);
+static DEFINE_IDR(link_idr);
+static DEFINE_SPINLOCK(link_idr_lock);
int sysctl_unprivileged_bpf_disabled __read_mostly;
@@ -49,9 +54,11 @@ static const struct bpf_map_ops * const bpf_map_types[] = {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type)
#define BPF_MAP_TYPE(_id, _ops) \
[_id] = &_ops,
+#define BPF_LINK_TYPE(_id, _name)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
};
/*
@@ -281,27 +288,29 @@ static void *__bpf_map_area_alloc(u64 size, int numa_node, bool mmapable)
* __GFP_RETRY_MAYFAIL to avoid such situations.
*/
- const gfp_t flags = __GFP_NOWARN | __GFP_ZERO;
+ const gfp_t gfp = __GFP_NOWARN | __GFP_ZERO;
+ unsigned int flags = 0;
+ unsigned long align = 1;
void *area;
if (size >= SIZE_MAX)
return NULL;
/* kmalloc()'ed memory can't be mmap()'ed */
- if (!mmapable && size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) {
- area = kmalloc_node(size, GFP_USER | __GFP_NORETRY | flags,
+ if (mmapable) {
+ BUG_ON(!PAGE_ALIGNED(size));
+ align = SHMLBA;
+ flags = VM_USERMAP;
+ } else if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) {
+ area = kmalloc_node(size, gfp | GFP_USER | __GFP_NORETRY,
numa_node);
if (area != NULL)
return area;
}
- if (mmapable) {
- BUG_ON(!PAGE_ALIGNED(size));
- return vmalloc_user_node_flags(size, numa_node, GFP_KERNEL |
- __GFP_RETRY_MAYFAIL | flags);
- }
- return __vmalloc_node_flags_caller(size, numa_node,
- GFP_KERNEL | __GFP_RETRY_MAYFAIL |
- flags, __builtin_return_address(0));
+
+ return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
+ gfp | GFP_KERNEL | __GFP_RETRY_MAYFAIL, PAGE_KERNEL,
+ flags, numa_node, __builtin_return_address(0));
}
void *bpf_map_area_alloc(u64 size, int numa_node)
@@ -623,9 +632,20 @@ static int bpf_map_mmap(struct file *filp, struct vm_area_struct *vma)
mutex_lock(&map->freeze_mutex);
- if ((vma->vm_flags & VM_WRITE) && map->frozen) {
- err = -EPERM;
- goto out;
+ if (vma->vm_flags & VM_WRITE) {
+ if (map->frozen) {
+ err = -EPERM;
+ goto out;
+ }
+ /* map is meant to be read-only, so do not allow mapping as
+ * writable, because it's possible to leak a writable page
+ * reference and allows user-space to still modify it after
+ * freezing, while verifier will assume contents do not change
+ */
+ if (map->map_flags & BPF_F_RDONLY_PROG) {
+ err = -EACCES;
+ goto out;
+ }
}
/* set default open/close callbacks */
@@ -647,6 +667,16 @@ out:
return err;
}
+static __poll_t bpf_map_poll(struct file *filp, struct poll_table_struct *pts)
+{
+ struct bpf_map *map = filp->private_data;
+
+ if (map->ops->map_poll)
+ return map->ops->map_poll(map, filp, pts);
+
+ return EPOLLERR;
+}
+
const struct file_operations bpf_map_fops = {
#ifdef CONFIG_PROC_FS
.show_fdinfo = bpf_map_show_fdinfo,
@@ -655,6 +685,7 @@ const struct file_operations bpf_map_fops = {
.read = bpf_dummy_read,
.write = bpf_dummy_write,
.mmap = bpf_map_mmap,
+ .poll = bpf_map_poll,
};
int bpf_map_new_fd(struct bpf_map *map, int flags)
@@ -1372,7 +1403,7 @@ int generic_map_lookup_batch(struct bpf_map *map,
buf = kmalloc(map->key_size + value_size, GFP_USER | __GFP_NOWARN);
if (!buf) {
- kvfree(buf_prevkey);
+ kfree(buf_prevkey);
return -ENOMEM;
}
@@ -1457,7 +1488,8 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr)
map = __bpf_map_get(f);
if (IS_ERR(map))
return PTR_ERR(map);
- if (!(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) {
+ if (!(map_get_sys_perms(map, f) & FMODE_CAN_READ) ||
+ !(map_get_sys_perms(map, f) & FMODE_CAN_WRITE)) {
err = -EPERM;
goto err_put;
}
@@ -1485,8 +1517,10 @@ static int map_lookup_and_delete_elem(union bpf_attr *attr)
if (err)
goto free_value;
- if (copy_to_user(uvalue, value, value_size) != 0)
+ if (copy_to_user(uvalue, value, value_size) != 0) {
+ err = -EFAULT;
goto free_value;
+ }
err = 0;
@@ -1530,7 +1564,7 @@ static int map_freeze(const union bpf_attr *attr)
err = -EBUSY;
goto err_put;
}
- if (!capable(CAP_SYS_ADMIN)) {
+ if (!bpf_capable()) {
err = -EPERM;
goto err_put;
}
@@ -1546,9 +1580,11 @@ static const struct bpf_prog_ops * const bpf_prog_types[] = {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
[_id] = & _name ## _prog_ops,
#define BPF_MAP_TYPE(_id, _ops)
+#define BPF_LINK_TYPE(_id, _name)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
};
static int find_prog_type(enum bpf_prog_type type, struct bpf_prog *prog)
@@ -1970,6 +2006,10 @@ bpf_prog_load_check_attach(enum bpf_prog_type prog_type,
case BPF_CGROUP_INET6_BIND:
case BPF_CGROUP_INET4_CONNECT:
case BPF_CGROUP_INET6_CONNECT:
+ case BPF_CGROUP_INET4_GETPEERNAME:
+ case BPF_CGROUP_INET6_GETPEERNAME:
+ case BPF_CGROUP_INET4_GETSOCKNAME:
+ case BPF_CGROUP_INET6_GETSOCKNAME:
case BPF_CGROUP_UDP4_SENDMSG:
case BPF_CGROUP_UDP6_SENDMSG:
case BPF_CGROUP_UDP4_RECVMSG:
@@ -2003,6 +2043,55 @@ bpf_prog_load_check_attach(enum bpf_prog_type prog_type,
}
}
+static bool is_net_admin_prog_type(enum bpf_prog_type prog_type)
+{
+ switch (prog_type) {
+ case BPF_PROG_TYPE_SCHED_CLS:
+ case BPF_PROG_TYPE_SCHED_ACT:
+ case BPF_PROG_TYPE_XDP:
+ case BPF_PROG_TYPE_LWT_IN:
+ case BPF_PROG_TYPE_LWT_OUT:
+ case BPF_PROG_TYPE_LWT_XMIT:
+ case BPF_PROG_TYPE_LWT_SEG6LOCAL:
+ case BPF_PROG_TYPE_SK_SKB:
+ case BPF_PROG_TYPE_SK_MSG:
+ case BPF_PROG_TYPE_LIRC_MODE2:
+ case BPF_PROG_TYPE_FLOW_DISSECTOR:
+ case BPF_PROG_TYPE_CGROUP_DEVICE:
+ case BPF_PROG_TYPE_CGROUP_SOCK:
+ case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
+ case BPF_PROG_TYPE_CGROUP_SOCKOPT:
+ case BPF_PROG_TYPE_CGROUP_SYSCTL:
+ case BPF_PROG_TYPE_SOCK_OPS:
+ case BPF_PROG_TYPE_EXT: /* extends any prog */
+ return true;
+ case BPF_PROG_TYPE_CGROUP_SKB:
+ /* always unpriv */
+ case BPF_PROG_TYPE_SK_REUSEPORT:
+ /* equivalent to SOCKET_FILTER. need CAP_BPF only */
+ default:
+ return false;
+ }
+}
+
+static bool is_perfmon_prog_type(enum bpf_prog_type prog_type)
+{
+ switch (prog_type) {
+ case BPF_PROG_TYPE_KPROBE:
+ case BPF_PROG_TYPE_TRACEPOINT:
+ case BPF_PROG_TYPE_PERF_EVENT:
+ case BPF_PROG_TYPE_RAW_TRACEPOINT:
+ case BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE:
+ case BPF_PROG_TYPE_TRACING:
+ case BPF_PROG_TYPE_LSM:
+ case BPF_PROG_TYPE_STRUCT_OPS: /* has access to struct sock */
+ case BPF_PROG_TYPE_EXT: /* extends any prog */
+ return true;
+ default:
+ return false;
+ }
+}
+
/* last field in 'union bpf_attr' used by this command */
#define BPF_PROG_LOAD_LAST_FIELD attach_prog_fd
@@ -2025,7 +2114,7 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr)
if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
(attr->prog_flags & BPF_F_ANY_ALIGNMENT) &&
- !capable(CAP_SYS_ADMIN))
+ !bpf_capable())
return -EPERM;
/* copy eBPF program license from user space */
@@ -2038,11 +2127,16 @@ static int bpf_prog_load(union bpf_attr *attr, union bpf_attr __user *uattr)
is_gpl = license_is_gpl_compatible(license);
if (attr->insn_cnt == 0 ||
- attr->insn_cnt > (capable(CAP_SYS_ADMIN) ? BPF_COMPLEXITY_LIMIT_INSNS : BPF_MAXINSNS))
+ attr->insn_cnt > (bpf_capable() ? BPF_COMPLEXITY_LIMIT_INSNS : BPF_MAXINSNS))
return -E2BIG;
if (type != BPF_PROG_TYPE_SOCKET_FILTER &&
type != BPF_PROG_TYPE_CGROUP_SKB &&
- !capable(CAP_SYS_ADMIN))
+ !bpf_capable())
+ return -EPERM;
+
+ if (is_net_admin_prog_type(type) && !capable(CAP_NET_ADMIN))
+ return -EPERM;
+ if (is_perfmon_prog_type(type) && !perfmon_capable())
return -EPERM;
bpf_prog_load_fixup_attach_type(attr);
@@ -2181,25 +2275,39 @@ static int bpf_obj_get(const union bpf_attr *attr)
attr->file_flags);
}
-void bpf_link_init(struct bpf_link *link, const struct bpf_link_ops *ops,
- struct bpf_prog *prog)
+void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
+ const struct bpf_link_ops *ops, struct bpf_prog *prog)
{
atomic64_set(&link->refcnt, 1);
+ link->type = type;
+ link->id = 0;
link->ops = ops;
link->prog = prog;
}
+static void bpf_link_free_id(int id)
+{
+ if (!id)
+ return;
+
+ spin_lock_bh(&link_idr_lock);
+ idr_remove(&link_idr, id);
+ spin_unlock_bh(&link_idr_lock);
+}
+
/* Clean up bpf_link and corresponding anon_inode file and FD. After
* anon_inode is created, bpf_link can't be just kfree()'d due to deferred
- * anon_inode's release() call. This helper manages marking bpf_link as
- * defunct, releases anon_inode file and puts reserved FD.
+ * anon_inode's release() call. This helper marksbpf_link as
+ * defunct, releases anon_inode file and puts reserved FD. bpf_prog's refcnt
+ * is not decremented, it's the responsibility of a calling code that failed
+ * to complete bpf_link initialization.
*/
-void bpf_link_cleanup(struct bpf_link *link, struct file *link_file,
- int link_fd)
+void bpf_link_cleanup(struct bpf_link_primer *primer)
{
- link->prog = NULL;
- fput(link_file);
- put_unused_fd(link_fd);
+ primer->link->prog = NULL;
+ bpf_link_free_id(primer->id);
+ fput(primer->file);
+ put_unused_fd(primer->fd);
}
void bpf_link_inc(struct bpf_link *link)
@@ -2210,6 +2318,7 @@ void bpf_link_inc(struct bpf_link *link)
/* bpf_link_free is guaranteed to be called from process context */
static void bpf_link_free(struct bpf_link *link)
{
+ bpf_link_free_id(link->id);
if (link->prog) {
/* detach BPF program, clean up used resources */
link->ops->release(link);
@@ -2251,39 +2360,39 @@ static int bpf_link_release(struct inode *inode, struct file *filp)
}
#ifdef CONFIG_PROC_FS
-static const struct bpf_link_ops bpf_raw_tp_lops;
-static const struct bpf_link_ops bpf_tracing_link_lops;
+#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type)
+#define BPF_MAP_TYPE(_id, _ops)
+#define BPF_LINK_TYPE(_id, _name) [_id] = #_name,
+static const char *bpf_link_type_strs[] = {
+ [BPF_LINK_TYPE_UNSPEC] = "<invalid>",
+#include <linux/bpf_types.h>
+};
+#undef BPF_PROG_TYPE
+#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
static void bpf_link_show_fdinfo(struct seq_file *m, struct file *filp)
{
const struct bpf_link *link = filp->private_data;
const struct bpf_prog *prog = link->prog;
char prog_tag[sizeof(prog->tag) * 2 + 1] = { };
- const char *link_type;
-
- if (link->ops == &bpf_raw_tp_lops)
- link_type = "raw_tracepoint";
- else if (link->ops == &bpf_tracing_link_lops)
- link_type = "tracing";
-#ifdef CONFIG_CGROUP_BPF
- else if (link->ops == &bpf_cgroup_link_lops)
- link_type = "cgroup";
-#endif
- else
- link_type = "unknown";
bin2hex(prog_tag, prog->tag, sizeof(prog->tag));
seq_printf(m,
"link_type:\t%s\n"
+ "link_id:\t%u\n"
"prog_tag:\t%s\n"
"prog_id:\t%u\n",
- link_type,
+ bpf_link_type_strs[link->type],
+ link->id,
prog_tag,
prog->aux->id);
+ if (link->ops->show_fdinfo)
+ link->ops->show_fdinfo(link, m);
}
#endif
-const struct file_operations bpf_link_fops = {
+static const struct file_operations bpf_link_fops = {
#ifdef CONFIG_PROC_FS
.show_fdinfo = bpf_link_show_fdinfo,
#endif
@@ -2292,36 +2401,77 @@ const struct file_operations bpf_link_fops = {
.write = bpf_dummy_write,
};
-int bpf_link_new_fd(struct bpf_link *link)
+static int bpf_link_alloc_id(struct bpf_link *link)
{
- return anon_inode_getfd("bpf-link", &bpf_link_fops, link, O_CLOEXEC);
-}
+ int id;
+
+ idr_preload(GFP_KERNEL);
+ spin_lock_bh(&link_idr_lock);
+ id = idr_alloc_cyclic(&link_idr, link, 1, INT_MAX, GFP_ATOMIC);
+ spin_unlock_bh(&link_idr_lock);
+ idr_preload_end();
-/* Similar to bpf_link_new_fd, create anon_inode for given bpf_link, but
- * instead of immediately installing fd in fdtable, just reserve it and
- * return. Caller then need to either install it with fd_install(fd, file) or
- * release with put_unused_fd(fd).
- * This is useful for cases when bpf_link attachment/detachment are
- * complicated and expensive operations and should be delayed until all the fd
- * reservation and anon_inode creation succeeds.
+ return id;
+}
+
+/* Prepare bpf_link to be exposed to user-space by allocating anon_inode file,
+ * reserving unused FD and allocating ID from link_idr. This is to be paired
+ * with bpf_link_settle() to install FD and ID and expose bpf_link to
+ * user-space, if bpf_link is successfully attached. If not, bpf_link and
+ * pre-allocated resources are to be freed with bpf_cleanup() call. All the
+ * transient state is passed around in struct bpf_link_primer.
+ * This is preferred way to create and initialize bpf_link, especially when
+ * there are complicated and expensive operations inbetween creating bpf_link
+ * itself and attaching it to BPF hook. By using bpf_link_prime() and
+ * bpf_link_settle() kernel code using bpf_link doesn't have to perform
+ * expensive (and potentially failing) roll back operations in a rare case
+ * that file, FD, or ID can't be allocated.
*/
-struct file *bpf_link_new_file(struct bpf_link *link, int *reserved_fd)
+int bpf_link_prime(struct bpf_link *link, struct bpf_link_primer *primer)
{
struct file *file;
- int fd;
+ int fd, id;
fd = get_unused_fd_flags(O_CLOEXEC);
if (fd < 0)
- return ERR_PTR(fd);
+ return fd;
+
+
+ id = bpf_link_alloc_id(link);
+ if (id < 0) {
+ put_unused_fd(fd);
+ return id;
+ }
file = anon_inode_getfile("bpf_link", &bpf_link_fops, link, O_CLOEXEC);
if (IS_ERR(file)) {
+ bpf_link_free_id(id);
put_unused_fd(fd);
- return file;
+ return PTR_ERR(file);
}
- *reserved_fd = fd;
- return file;
+ primer->link = link;
+ primer->file = file;
+ primer->fd = fd;
+ primer->id = id;
+ return 0;
+}
+
+int bpf_link_settle(struct bpf_link_primer *primer)
+{
+ /* make bpf_link fetchable by ID */
+ spin_lock_bh(&link_idr_lock);
+ primer->link->id = primer->id;
+ spin_unlock_bh(&link_idr_lock);
+ /* make bpf_link fetchable by FD */
+ fd_install(primer->fd, primer->file);
+ /* pass through installed FD */
+ return primer->fd;
+}
+
+int bpf_link_new_fd(struct bpf_link *link)
+{
+ return anon_inode_getfd("bpf-link", &bpf_link_fops, link, O_CLOEXEC);
}
struct bpf_link *bpf_link_get_from_fd(u32 ufd)
@@ -2345,6 +2495,7 @@ struct bpf_link *bpf_link_get_from_fd(u32 ufd)
struct bpf_tracing_link {
struct bpf_link link;
+ enum bpf_attach_type attach_type;
};
static void bpf_tracing_link_release(struct bpf_link *link)
@@ -2360,16 +2511,40 @@ static void bpf_tracing_link_dealloc(struct bpf_link *link)
kfree(tr_link);
}
+static void bpf_tracing_link_show_fdinfo(const struct bpf_link *link,
+ struct seq_file *seq)
+{
+ struct bpf_tracing_link *tr_link =
+ container_of(link, struct bpf_tracing_link, link);
+
+ seq_printf(seq,
+ "attach_type:\t%d\n",
+ tr_link->attach_type);
+}
+
+static int bpf_tracing_link_fill_link_info(const struct bpf_link *link,
+ struct bpf_link_info *info)
+{
+ struct bpf_tracing_link *tr_link =
+ container_of(link, struct bpf_tracing_link, link);
+
+ info->tracing.attach_type = tr_link->attach_type;
+
+ return 0;
+}
+
static const struct bpf_link_ops bpf_tracing_link_lops = {
.release = bpf_tracing_link_release,
.dealloc = bpf_tracing_link_dealloc,
+ .show_fdinfo = bpf_tracing_link_show_fdinfo,
+ .fill_link_info = bpf_tracing_link_fill_link_info,
};
static int bpf_tracing_prog_attach(struct bpf_prog *prog)
{
+ struct bpf_link_primer link_primer;
struct bpf_tracing_link *link;
- struct file *link_file;
- int link_fd, err;
+ int err;
switch (prog->type) {
case BPF_PROG_TYPE_TRACING:
@@ -2402,24 +2577,23 @@ static int bpf_tracing_prog_attach(struct bpf_prog *prog)
err = -ENOMEM;
goto out_put_prog;
}
- bpf_link_init(&link->link, &bpf_tracing_link_lops, prog);
+ bpf_link_init(&link->link, BPF_LINK_TYPE_TRACING,
+ &bpf_tracing_link_lops, prog);
+ link->attach_type = prog->expected_attach_type;
- link_file = bpf_link_new_file(&link->link, &link_fd);
- if (IS_ERR(link_file)) {
+ err = bpf_link_prime(&link->link, &link_primer);
+ if (err) {
kfree(link);
- err = PTR_ERR(link_file);
goto out_put_prog;
}
err = bpf_trampoline_link_prog(prog);
if (err) {
- bpf_link_cleanup(&link->link, link_file, link_fd);
+ bpf_link_cleanup(&link_primer);
goto out_put_prog;
}
- fd_install(link_fd, link_file);
- return link_fd;
-
+ return bpf_link_settle(&link_primer);
out_put_prog:
bpf_prog_put(prog);
return err;
@@ -2447,22 +2621,69 @@ static void bpf_raw_tp_link_dealloc(struct bpf_link *link)
kfree(raw_tp);
}
-static const struct bpf_link_ops bpf_raw_tp_lops = {
+static void bpf_raw_tp_link_show_fdinfo(const struct bpf_link *link,
+ struct seq_file *seq)
+{
+ struct bpf_raw_tp_link *raw_tp_link =
+ container_of(link, struct bpf_raw_tp_link, link);
+
+ seq_printf(seq,
+ "tp_name:\t%s\n",
+ raw_tp_link->btp->tp->name);
+}
+
+static int bpf_raw_tp_link_fill_link_info(const struct bpf_link *link,
+ struct bpf_link_info *info)
+{
+ struct bpf_raw_tp_link *raw_tp_link =
+ container_of(link, struct bpf_raw_tp_link, link);
+ char __user *ubuf = u64_to_user_ptr(info->raw_tracepoint.tp_name);
+ const char *tp_name = raw_tp_link->btp->tp->name;
+ u32 ulen = info->raw_tracepoint.tp_name_len;
+ size_t tp_len = strlen(tp_name);
+
+ if (ulen && !ubuf)
+ return -EINVAL;
+
+ info->raw_tracepoint.tp_name_len = tp_len + 1;
+
+ if (!ubuf)
+ return 0;
+
+ if (ulen >= tp_len + 1) {
+ if (copy_to_user(ubuf, tp_name, tp_len + 1))
+ return -EFAULT;
+ } else {
+ char zero = '\0';
+
+ if (copy_to_user(ubuf, tp_name, ulen - 1))
+ return -EFAULT;
+ if (put_user(zero, ubuf + ulen - 1))
+ return -EFAULT;
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
+static const struct bpf_link_ops bpf_raw_tp_link_lops = {
.release = bpf_raw_tp_link_release,
.dealloc = bpf_raw_tp_link_dealloc,
+ .show_fdinfo = bpf_raw_tp_link_show_fdinfo,
+ .fill_link_info = bpf_raw_tp_link_fill_link_info,
};
#define BPF_RAW_TRACEPOINT_OPEN_LAST_FIELD raw_tracepoint.prog_fd
static int bpf_raw_tracepoint_open(const union bpf_attr *attr)
{
+ struct bpf_link_primer link_primer;
struct bpf_raw_tp_link *link;
struct bpf_raw_event_map *btp;
- struct file *link_file;
struct bpf_prog *prog;
const char *tp_name;
char buf[128];
- int link_fd, err;
+ int err;
if (CHECK_ATTR(BPF_RAW_TRACEPOINT_OPEN))
return -EINVAL;
@@ -2515,24 +2736,23 @@ static int bpf_raw_tracepoint_open(const union bpf_attr *attr)
err = -ENOMEM;
goto out_put_btp;
}
- bpf_link_init(&link->link, &bpf_raw_tp_lops, prog);
+ bpf_link_init(&link->link, BPF_LINK_TYPE_RAW_TRACEPOINT,
+ &bpf_raw_tp_link_lops, prog);
link->btp = btp;
- link_file = bpf_link_new_file(&link->link, &link_fd);
- if (IS_ERR(link_file)) {
+ err = bpf_link_prime(&link->link, &link_primer);
+ if (err) {
kfree(link);
- err = PTR_ERR(link_file);
goto out_put_btp;
}
err = bpf_probe_register(link->btp, prog);
if (err) {
- bpf_link_cleanup(&link->link, link_file, link_fd);
+ bpf_link_cleanup(&link_primer);
goto out_put_btp;
}
- fd_install(link_fd, link_file);
- return link_fd;
+ return bpf_link_settle(&link_primer);
out_put_btp:
bpf_put_raw_tracepoint(btp);
@@ -2550,6 +2770,11 @@ static int bpf_prog_attach_check_attach_type(const struct bpf_prog *prog,
case BPF_PROG_TYPE_CGROUP_SOCKOPT:
return attach_type == prog->expected_attach_type ? 0 : -EINVAL;
case BPF_PROG_TYPE_CGROUP_SKB:
+ if (!capable(CAP_NET_ADMIN))
+ /* cg-skb progs can be loaded by unpriv user.
+ * check permissions at attach time.
+ */
+ return -EPERM;
return prog->enforce_expected_attach_type &&
prog->expected_attach_type != attach_type ?
-EINVAL : 0;
@@ -2574,6 +2799,10 @@ attach_type_to_prog_type(enum bpf_attach_type attach_type)
case BPF_CGROUP_INET6_BIND:
case BPF_CGROUP_INET4_CONNECT:
case BPF_CGROUP_INET6_CONNECT:
+ case BPF_CGROUP_INET4_GETPEERNAME:
+ case BPF_CGROUP_INET6_GETPEERNAME:
+ case BPF_CGROUP_INET4_GETSOCKNAME:
+ case BPF_CGROUP_INET6_GETSOCKNAME:
case BPF_CGROUP_UDP4_SENDMSG:
case BPF_CGROUP_UDP6_SENDMSG:
case BPF_CGROUP_UDP4_RECVMSG:
@@ -2597,6 +2826,8 @@ attach_type_to_prog_type(enum bpf_attach_type attach_type)
case BPF_CGROUP_GETSOCKOPT:
case BPF_CGROUP_SETSOCKOPT:
return BPF_PROG_TYPE_CGROUP_SOCKOPT;
+ case BPF_TRACE_ITER:
+ return BPF_PROG_TYPE_TRACING;
default:
return BPF_PROG_TYPE_UNSPEC;
}
@@ -2613,9 +2844,6 @@ static int bpf_prog_attach(const union bpf_attr *attr)
struct bpf_prog *prog;
int ret;
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (CHECK_ATTR(BPF_PROG_ATTACH))
return -EINVAL;
@@ -2644,7 +2872,7 @@ static int bpf_prog_attach(const union bpf_attr *attr)
ret = lirc_prog_attach(attr, prog);
break;
case BPF_PROG_TYPE_FLOW_DISSECTOR:
- ret = skb_flow_dissector_bpf_prog_attach(attr, prog);
+ ret = netns_bpf_prog_attach(attr, prog);
break;
case BPF_PROG_TYPE_CGROUP_DEVICE:
case BPF_PROG_TYPE_CGROUP_SKB:
@@ -2670,9 +2898,6 @@ static int bpf_prog_detach(const union bpf_attr *attr)
{
enum bpf_prog_type ptype;
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (CHECK_ATTR(BPF_PROG_DETACH))
return -EINVAL;
@@ -2685,7 +2910,9 @@ static int bpf_prog_detach(const union bpf_attr *attr)
case BPF_PROG_TYPE_LIRC_MODE2:
return lirc_prog_detach(attr);
case BPF_PROG_TYPE_FLOW_DISSECTOR:
- return skb_flow_dissector_bpf_prog_detach(attr);
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ return netns_bpf_prog_detach(attr);
case BPF_PROG_TYPE_CGROUP_DEVICE:
case BPF_PROG_TYPE_CGROUP_SKB:
case BPF_PROG_TYPE_CGROUP_SOCK:
@@ -2721,6 +2948,10 @@ static int bpf_prog_query(const union bpf_attr *attr,
case BPF_CGROUP_INET6_POST_BIND:
case BPF_CGROUP_INET4_CONNECT:
case BPF_CGROUP_INET6_CONNECT:
+ case BPF_CGROUP_INET4_GETPEERNAME:
+ case BPF_CGROUP_INET6_GETPEERNAME:
+ case BPF_CGROUP_INET4_GETSOCKNAME:
+ case BPF_CGROUP_INET6_GETSOCKNAME:
case BPF_CGROUP_UDP4_SENDMSG:
case BPF_CGROUP_UDP6_SENDMSG:
case BPF_CGROUP_UDP4_RECVMSG:
@@ -2734,7 +2965,7 @@ static int bpf_prog_query(const union bpf_attr *attr,
case BPF_LIRC_MODE2:
return lirc_prog_query(attr, uattr);
case BPF_FLOW_DISSECTOR:
- return skb_flow_dissector_prog_query(attr, uattr);
+ return netns_bpf_prog_query(attr, uattr);
default:
return -EINVAL;
}
@@ -2748,8 +2979,6 @@ static int bpf_prog_test_run(const union bpf_attr *attr,
struct bpf_prog *prog;
int ret = -ENOTSUPP;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (CHECK_ATTR(BPF_PROG_TEST_RUN))
return -EINVAL;
@@ -2800,6 +3029,25 @@ static int bpf_obj_get_next_id(const union bpf_attr *attr,
return err;
}
+struct bpf_map *bpf_map_get_curr_or_next(u32 *id)
+{
+ struct bpf_map *map;
+
+ spin_lock_bh(&map_idr_lock);
+again:
+ map = idr_get_next(&map_idr, id);
+ if (map) {
+ map = __bpf_map_inc_not_zero(map, false);
+ if (IS_ERR(map)) {
+ (*id)++;
+ goto again;
+ }
+ }
+ spin_unlock_bh(&map_idr_lock);
+
+ return map;
+}
+
#define BPF_PROG_GET_FD_BY_ID_LAST_FIELD prog_id
struct bpf_prog *bpf_prog_by_id(u32 id)
@@ -3031,7 +3279,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
info.run_time_ns = stats.nsecs;
info.run_cnt = stats.cnt;
- if (!capable(CAP_SYS_ADMIN)) {
+ if (!bpf_capable()) {
info.jited_prog_len = 0;
info.xlated_prog_len = 0;
info.nr_jited_ksyms = 0;
@@ -3313,6 +3561,42 @@ static int bpf_btf_get_info_by_fd(struct btf *btf,
return btf_get_info_by_fd(btf, attr, uattr);
}
+static int bpf_link_get_info_by_fd(struct bpf_link *link,
+ const union bpf_attr *attr,
+ union bpf_attr __user *uattr)
+{
+ struct bpf_link_info __user *uinfo = u64_to_user_ptr(attr->info.info);
+ struct bpf_link_info info;
+ u32 info_len = attr->info.info_len;
+ int err;
+
+ err = bpf_check_uarg_tail_zero(uinfo, sizeof(info), info_len);
+ if (err)
+ return err;
+ info_len = min_t(u32, sizeof(info), info_len);
+
+ memset(&info, 0, sizeof(info));
+ if (copy_from_user(&info, uinfo, info_len))
+ return -EFAULT;
+
+ info.type = link->type;
+ info.id = link->id;
+ info.prog_id = link->prog->aux->id;
+
+ if (link->ops->fill_link_info) {
+ err = link->ops->fill_link_info(link, &info);
+ if (err)
+ return err;
+ }
+
+ if (copy_to_user(uinfo, &info, info_len) ||
+ put_user(info_len, &uattr->info.info_len))
+ return -EFAULT;
+
+ return 0;
+}
+
+
#define BPF_OBJ_GET_INFO_BY_FD_LAST_FIELD info.info
static int bpf_obj_get_info_by_fd(const union bpf_attr *attr,
@@ -3337,6 +3621,9 @@ static int bpf_obj_get_info_by_fd(const union bpf_attr *attr,
uattr);
else if (f.file->f_op == &btf_fops)
err = bpf_btf_get_info_by_fd(f.file->private_data, attr, uattr);
+ else if (f.file->f_op == &bpf_link_fops)
+ err = bpf_link_get_info_by_fd(f.file->private_data,
+ attr, uattr);
else
err = -EINVAL;
@@ -3351,7 +3638,7 @@ static int bpf_btf_load(const union bpf_attr *attr)
if (CHECK_ATTR(BPF_BTF_LOAD))
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return -EPERM;
return btf_new_fd(attr);
@@ -3464,7 +3751,7 @@ static int bpf_task_fd_query(const union bpf_attr *attr,
if (file->f_op == &bpf_link_fops) {
struct bpf_link *link = file->private_data;
- if (link->ops == &bpf_raw_tp_lops) {
+ if (link->ops == &bpf_raw_tp_link_lops) {
struct bpf_raw_tp_link *raw_tp =
container_of(link, struct bpf_raw_tp_link, link);
struct bpf_raw_event_map *btp = raw_tp->btp;
@@ -3558,6 +3845,15 @@ err_put:
return err;
}
+static int tracing_bpf_link_attach(const union bpf_attr *attr, struct bpf_prog *prog)
+{
+ if (attr->link_create.attach_type == BPF_TRACE_ITER &&
+ prog->expected_attach_type == BPF_TRACE_ITER)
+ return bpf_iter_link_attach(attr, prog);
+
+ return -EINVAL;
+}
+
#define BPF_LINK_CREATE_LAST_FIELD link_create.flags
static int link_create(union bpf_attr *attr)
{
@@ -3565,9 +3861,6 @@ static int link_create(union bpf_attr *attr)
struct bpf_prog *prog;
int ret;
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (CHECK_ATTR(BPF_LINK_CREATE))
return -EINVAL;
@@ -3594,6 +3887,12 @@ static int link_create(union bpf_attr *attr)
case BPF_PROG_TYPE_CGROUP_SOCKOPT:
ret = cgroup_bpf_link_attach(attr, prog);
break;
+ case BPF_PROG_TYPE_TRACING:
+ ret = tracing_bpf_link_attach(attr, prog);
+ break;
+ case BPF_PROG_TYPE_FLOW_DISSECTOR:
+ ret = netns_bpf_link_create(attr, prog);
+ break;
default:
ret = -EINVAL;
}
@@ -3613,9 +3912,6 @@ static int link_update(union bpf_attr *attr)
u32 flags;
int ret;
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
-
if (CHECK_ATTR(BPF_LINK_UPDATE))
return -EINVAL;
@@ -3628,8 +3924,10 @@ static int link_update(union bpf_attr *attr)
return PTR_ERR(link);
new_prog = bpf_prog_get(attr->link_update.new_prog_fd);
- if (IS_ERR(new_prog))
- return PTR_ERR(new_prog);
+ if (IS_ERR(new_prog)) {
+ ret = PTR_ERR(new_prog);
+ goto out_put_link;
+ }
if (flags & BPF_F_REPLACE) {
old_prog = bpf_prog_get(attr->link_update.old_prog_fd);
@@ -3638,30 +3936,151 @@ static int link_update(union bpf_attr *attr)
old_prog = NULL;
goto out_put_progs;
}
- }
-
-#ifdef CONFIG_CGROUP_BPF
- if (link->ops == &bpf_cgroup_link_lops) {
- ret = cgroup_bpf_replace(link, old_prog, new_prog);
+ } else if (attr->link_update.old_prog_fd) {
+ ret = -EINVAL;
goto out_put_progs;
}
-#endif
- ret = -EINVAL;
+
+ if (link->ops->update_prog)
+ ret = link->ops->update_prog(link, new_prog, old_prog);
+ else
+ ret = -EINVAL;
out_put_progs:
if (old_prog)
bpf_prog_put(old_prog);
if (ret)
bpf_prog_put(new_prog);
+out_put_link:
+ bpf_link_put(link);
return ret;
}
+static int bpf_link_inc_not_zero(struct bpf_link *link)
+{
+ return atomic64_fetch_add_unless(&link->refcnt, 1, 0) ? 0 : -ENOENT;
+}
+
+#define BPF_LINK_GET_FD_BY_ID_LAST_FIELD link_id
+
+static int bpf_link_get_fd_by_id(const union bpf_attr *attr)
+{
+ struct bpf_link *link;
+ u32 id = attr->link_id;
+ int fd, err;
+
+ if (CHECK_ATTR(BPF_LINK_GET_FD_BY_ID))
+ return -EINVAL;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ spin_lock_bh(&link_idr_lock);
+ link = idr_find(&link_idr, id);
+ /* before link is "settled", ID is 0, pretend it doesn't exist yet */
+ if (link) {
+ if (link->id)
+ err = bpf_link_inc_not_zero(link);
+ else
+ err = -EAGAIN;
+ } else {
+ err = -ENOENT;
+ }
+ spin_unlock_bh(&link_idr_lock);
+
+ if (err)
+ return err;
+
+ fd = bpf_link_new_fd(link);
+ if (fd < 0)
+ bpf_link_put(link);
+
+ return fd;
+}
+
+DEFINE_MUTEX(bpf_stats_enabled_mutex);
+
+static int bpf_stats_release(struct inode *inode, struct file *file)
+{
+ mutex_lock(&bpf_stats_enabled_mutex);
+ static_key_slow_dec(&bpf_stats_enabled_key.key);
+ mutex_unlock(&bpf_stats_enabled_mutex);
+ return 0;
+}
+
+static const struct file_operations bpf_stats_fops = {
+ .release = bpf_stats_release,
+};
+
+static int bpf_enable_runtime_stats(void)
+{
+ int fd;
+
+ mutex_lock(&bpf_stats_enabled_mutex);
+
+ /* Set a very high limit to avoid overflow */
+ if (static_key_count(&bpf_stats_enabled_key.key) > INT_MAX / 2) {
+ mutex_unlock(&bpf_stats_enabled_mutex);
+ return -EBUSY;
+ }
+
+ fd = anon_inode_getfd("bpf-stats", &bpf_stats_fops, NULL, O_CLOEXEC);
+ if (fd >= 0)
+ static_key_slow_inc(&bpf_stats_enabled_key.key);
+
+ mutex_unlock(&bpf_stats_enabled_mutex);
+ return fd;
+}
+
+#define BPF_ENABLE_STATS_LAST_FIELD enable_stats.type
+
+static int bpf_enable_stats(union bpf_attr *attr)
+{
+
+ if (CHECK_ATTR(BPF_ENABLE_STATS))
+ return -EINVAL;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ switch (attr->enable_stats.type) {
+ case BPF_STATS_RUN_TIME:
+ return bpf_enable_runtime_stats();
+ default:
+ break;
+ }
+ return -EINVAL;
+}
+
+#define BPF_ITER_CREATE_LAST_FIELD iter_create.flags
+
+static int bpf_iter_create(union bpf_attr *attr)
+{
+ struct bpf_link *link;
+ int err;
+
+ if (CHECK_ATTR(BPF_ITER_CREATE))
+ return -EINVAL;
+
+ if (attr->iter_create.flags)
+ return -EINVAL;
+
+ link = bpf_link_get_from_fd(attr->iter_create.link_fd);
+ if (IS_ERR(link))
+ return PTR_ERR(link);
+
+ err = bpf_iter_new_fd(link);
+ bpf_link_put(link);
+
+ return err;
+}
+
SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, size)
{
union bpf_attr attr;
int err;
- if (sysctl_unprivileged_bpf_disabled && !capable(CAP_SYS_ADMIN))
+ if (sysctl_unprivileged_bpf_disabled && !bpf_capable())
return -EPERM;
err = bpf_check_uarg_tail_zero(uattr, sizeof(attr), size);
@@ -3773,6 +4192,19 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz
case BPF_LINK_UPDATE:
err = link_update(&attr);
break;
+ case BPF_LINK_GET_FD_BY_ID:
+ err = bpf_link_get_fd_by_id(&attr);
+ break;
+ case BPF_LINK_GET_NEXT_ID:
+ err = bpf_obj_get_next_id(&attr, uattr,
+ &link_idr, &link_idr_lock);
+ break;
+ case BPF_ENABLE_STATS:
+ err = bpf_enable_stats(&attr);
+ break;
+ case BPF_ITER_CREATE:
+ err = bpf_iter_create(&attr);
+ break;
default:
err = -EINVAL;
break;
diff --git a/kernel/bpf/task_iter.c b/kernel/bpf/task_iter.c
new file mode 100644
index 000000000000..4dbf2b6035f8
--- /dev/null
+++ b/kernel/bpf/task_iter.c
@@ -0,0 +1,353 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2020 Facebook */
+
+#include <linux/init.h>
+#include <linux/namei.h>
+#include <linux/pid_namespace.h>
+#include <linux/fs.h>
+#include <linux/fdtable.h>
+#include <linux/filter.h>
+
+struct bpf_iter_seq_task_common {
+ struct pid_namespace *ns;
+};
+
+struct bpf_iter_seq_task_info {
+ /* The first field must be struct bpf_iter_seq_task_common.
+ * this is assumed by {init, fini}_seq_pidns() callback functions.
+ */
+ struct bpf_iter_seq_task_common common;
+ u32 tid;
+};
+
+static struct task_struct *task_seq_get_next(struct pid_namespace *ns,
+ u32 *tid)
+{
+ struct task_struct *task = NULL;
+ struct pid *pid;
+
+ rcu_read_lock();
+retry:
+ pid = idr_get_next(&ns->idr, tid);
+ if (pid) {
+ task = get_pid_task(pid, PIDTYPE_PID);
+ if (!task) {
+ ++*tid;
+ goto retry;
+ }
+ }
+ rcu_read_unlock();
+
+ return task;
+}
+
+static void *task_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ struct bpf_iter_seq_task_info *info = seq->private;
+ struct task_struct *task;
+
+ task = task_seq_get_next(info->common.ns, &info->tid);
+ if (!task)
+ return NULL;
+
+ ++*pos;
+ return task;
+}
+
+static void *task_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct bpf_iter_seq_task_info *info = seq->private;
+ struct task_struct *task;
+
+ ++*pos;
+ ++info->tid;
+ put_task_struct((struct task_struct *)v);
+ task = task_seq_get_next(info->common.ns, &info->tid);
+ if (!task)
+ return NULL;
+
+ return task;
+}
+
+struct bpf_iter__task {
+ __bpf_md_ptr(struct bpf_iter_meta *, meta);
+ __bpf_md_ptr(struct task_struct *, task);
+};
+
+DEFINE_BPF_ITER_FUNC(task, struct bpf_iter_meta *meta, struct task_struct *task)
+
+static int __task_seq_show(struct seq_file *seq, struct task_struct *task,
+ bool in_stop)
+{
+ struct bpf_iter_meta meta;
+ struct bpf_iter__task ctx;
+ struct bpf_prog *prog;
+
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, in_stop);
+ if (!prog)
+ return 0;
+
+ meta.seq = seq;
+ ctx.meta = &meta;
+ ctx.task = task;
+ return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int task_seq_show(struct seq_file *seq, void *v)
+{
+ return __task_seq_show(seq, v, false);
+}
+
+static void task_seq_stop(struct seq_file *seq, void *v)
+{
+ if (!v)
+ (void)__task_seq_show(seq, v, true);
+ else
+ put_task_struct((struct task_struct *)v);
+}
+
+static const struct seq_operations task_seq_ops = {
+ .start = task_seq_start,
+ .next = task_seq_next,
+ .stop = task_seq_stop,
+ .show = task_seq_show,
+};
+
+struct bpf_iter_seq_task_file_info {
+ /* The first field must be struct bpf_iter_seq_task_common.
+ * this is assumed by {init, fini}_seq_pidns() callback functions.
+ */
+ struct bpf_iter_seq_task_common common;
+ struct task_struct *task;
+ struct files_struct *files;
+ u32 tid;
+ u32 fd;
+};
+
+static struct file *
+task_file_seq_get_next(struct bpf_iter_seq_task_file_info *info,
+ struct task_struct **task, struct files_struct **fstruct)
+{
+ struct pid_namespace *ns = info->common.ns;
+ u32 curr_tid = info->tid, max_fds;
+ struct files_struct *curr_files;
+ struct task_struct *curr_task;
+ int curr_fd = info->fd;
+
+ /* If this function returns a non-NULL file object,
+ * it held a reference to the task/files_struct/file.
+ * Otherwise, it does not hold any reference.
+ */
+again:
+ if (*task) {
+ curr_task = *task;
+ curr_files = *fstruct;
+ curr_fd = info->fd;
+ } else {
+ curr_task = task_seq_get_next(ns, &curr_tid);
+ if (!curr_task)
+ return NULL;
+
+ curr_files = get_files_struct(curr_task);
+ if (!curr_files) {
+ put_task_struct(curr_task);
+ curr_tid = ++(info->tid);
+ info->fd = 0;
+ goto again;
+ }
+
+ /* set *fstruct, *task and info->tid */
+ *fstruct = curr_files;
+ *task = curr_task;
+ if (curr_tid == info->tid) {
+ curr_fd = info->fd;
+ } else {
+ info->tid = curr_tid;
+ curr_fd = 0;
+ }
+ }
+
+ rcu_read_lock();
+ max_fds = files_fdtable(curr_files)->max_fds;
+ for (; curr_fd < max_fds; curr_fd++) {
+ struct file *f;
+
+ f = fcheck_files(curr_files, curr_fd);
+ if (!f)
+ continue;
+
+ /* set info->fd */
+ info->fd = curr_fd;
+ get_file(f);
+ rcu_read_unlock();
+ return f;
+ }
+
+ /* the current task is done, go to the next task */
+ rcu_read_unlock();
+ put_files_struct(curr_files);
+ put_task_struct(curr_task);
+ *task = NULL;
+ *fstruct = NULL;
+ info->fd = 0;
+ curr_tid = ++(info->tid);
+ goto again;
+}
+
+static void *task_file_seq_start(struct seq_file *seq, loff_t *pos)
+{
+ struct bpf_iter_seq_task_file_info *info = seq->private;
+ struct files_struct *files = NULL;
+ struct task_struct *task = NULL;
+ struct file *file;
+
+ file = task_file_seq_get_next(info, &task, &files);
+ if (!file) {
+ info->files = NULL;
+ info->task = NULL;
+ return NULL;
+ }
+
+ ++*pos;
+ info->task = task;
+ info->files = files;
+
+ return file;
+}
+
+static void *task_file_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct bpf_iter_seq_task_file_info *info = seq->private;
+ struct files_struct *files = info->files;
+ struct task_struct *task = info->task;
+ struct file *file;
+
+ ++*pos;
+ ++info->fd;
+ fput((struct file *)v);
+ file = task_file_seq_get_next(info, &task, &files);
+ if (!file) {
+ info->files = NULL;
+ info->task = NULL;
+ return NULL;
+ }
+
+ info->task = task;
+ info->files = files;
+
+ return file;
+}
+
+struct bpf_iter__task_file {
+ __bpf_md_ptr(struct bpf_iter_meta *, meta);
+ __bpf_md_ptr(struct task_struct *, task);
+ u32 fd __aligned(8);
+ __bpf_md_ptr(struct file *, file);
+};
+
+DEFINE_BPF_ITER_FUNC(task_file, struct bpf_iter_meta *meta,
+ struct task_struct *task, u32 fd,
+ struct file *file)
+
+static int __task_file_seq_show(struct seq_file *seq, struct file *file,
+ bool in_stop)
+{
+ struct bpf_iter_seq_task_file_info *info = seq->private;
+ struct bpf_iter__task_file ctx;
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, in_stop);
+ if (!prog)
+ return 0;
+
+ ctx.meta = &meta;
+ ctx.task = info->task;
+ ctx.fd = info->fd;
+ ctx.file = file;
+ return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int task_file_seq_show(struct seq_file *seq, void *v)
+{
+ return __task_file_seq_show(seq, v, false);
+}
+
+static void task_file_seq_stop(struct seq_file *seq, void *v)
+{
+ struct bpf_iter_seq_task_file_info *info = seq->private;
+
+ if (!v) {
+ (void)__task_file_seq_show(seq, v, true);
+ } else {
+ fput((struct file *)v);
+ put_files_struct(info->files);
+ put_task_struct(info->task);
+ info->files = NULL;
+ info->task = NULL;
+ }
+}
+
+static int init_seq_pidns(void *priv_data)
+{
+ struct bpf_iter_seq_task_common *common = priv_data;
+
+ common->ns = get_pid_ns(task_active_pid_ns(current));
+ return 0;
+}
+
+static void fini_seq_pidns(void *priv_data)
+{
+ struct bpf_iter_seq_task_common *common = priv_data;
+
+ put_pid_ns(common->ns);
+}
+
+static const struct seq_operations task_file_seq_ops = {
+ .start = task_file_seq_start,
+ .next = task_file_seq_next,
+ .stop = task_file_seq_stop,
+ .show = task_file_seq_show,
+};
+
+static const struct bpf_iter_reg task_reg_info = {
+ .target = "task",
+ .seq_ops = &task_seq_ops,
+ .init_seq_private = init_seq_pidns,
+ .fini_seq_private = fini_seq_pidns,
+ .seq_priv_size = sizeof(struct bpf_iter_seq_task_info),
+ .ctx_arg_info_size = 1,
+ .ctx_arg_info = {
+ { offsetof(struct bpf_iter__task, task),
+ PTR_TO_BTF_ID_OR_NULL },
+ },
+};
+
+static const struct bpf_iter_reg task_file_reg_info = {
+ .target = "task_file",
+ .seq_ops = &task_file_seq_ops,
+ .init_seq_private = init_seq_pidns,
+ .fini_seq_private = fini_seq_pidns,
+ .seq_priv_size = sizeof(struct bpf_iter_seq_task_file_info),
+ .ctx_arg_info_size = 2,
+ .ctx_arg_info = {
+ { offsetof(struct bpf_iter__task_file, task),
+ PTR_TO_BTF_ID_OR_NULL },
+ { offsetof(struct bpf_iter__task_file, file),
+ PTR_TO_BTF_ID_OR_NULL },
+ },
+};
+
+static int __init task_iter_init(void)
+{
+ int ret;
+
+ ret = bpf_iter_reg_target(&task_reg_info);
+ if (ret)
+ return ret;
+
+ return bpf_iter_reg_target(&task_file_reg_info);
+}
+late_initcall(task_iter_init);
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 38cfcf701eeb..5c7bbaac81ef 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -28,9 +28,11 @@ static const struct bpf_verifier_ops * const bpf_verifier_ops[] = {
#define BPF_PROG_TYPE(_id, _name, prog_ctx_type, kern_ctx_type) \
[_id] = & _name ## _verifier_ops,
#define BPF_MAP_TYPE(_id, _ops)
+#define BPF_LINK_TYPE(_id, _name)
#include <linux/bpf_types.h>
#undef BPF_PROG_TYPE
#undef BPF_MAP_TYPE
+#undef BPF_LINK_TYPE
};
/* bpf_check() is a static code analyzer that walks eBPF program
@@ -168,6 +170,8 @@ struct bpf_verifier_stack_elem {
int insn_idx;
int prev_insn_idx;
struct bpf_verifier_stack_elem *next;
+ /* length of verifier log at the time this state was pushed on stack */
+ u32 log_pos;
};
#define BPF_COMPLEXITY_LIMIT_JMP_SEQ 8192
@@ -229,6 +233,7 @@ struct bpf_call_arg_meta {
bool pkt_access;
int regno;
int access_size;
+ int mem_size;
u64 msize_max_value;
int ref_obj_id;
int func_id;
@@ -283,6 +288,18 @@ void bpf_verifier_vlog(struct bpf_verifier_log *log, const char *fmt,
log->ubuf = NULL;
}
+static void bpf_vlog_reset(struct bpf_verifier_log *log, u32 new_pos)
+{
+ char zero = 0;
+
+ if (!bpf_verifier_log_needed(log))
+ return;
+
+ log->len_used = new_pos;
+ if (put_user(zero, log->ubuf + new_pos))
+ log->ubuf = NULL;
+}
+
/* log_level controls verbosity level of eBPF verifier.
* bpf_verifier_log_write() is used to dump the verification trace to the log,
* so the user can figure out what's wrong with the program
@@ -377,12 +394,23 @@ static bool type_is_sk_pointer(enum bpf_reg_type type)
type == PTR_TO_XDP_SOCK;
}
+static bool reg_type_not_null(enum bpf_reg_type type)
+{
+ return type == PTR_TO_SOCKET ||
+ type == PTR_TO_TCP_SOCK ||
+ type == PTR_TO_MAP_VALUE ||
+ type == PTR_TO_SOCK_COMMON ||
+ type == PTR_TO_BTF_ID;
+}
+
static bool reg_type_may_be_null(enum bpf_reg_type type)
{
return type == PTR_TO_MAP_VALUE_OR_NULL ||
type == PTR_TO_SOCKET_OR_NULL ||
type == PTR_TO_SOCK_COMMON_OR_NULL ||
- type == PTR_TO_TCP_SOCK_OR_NULL;
+ type == PTR_TO_TCP_SOCK_OR_NULL ||
+ type == PTR_TO_BTF_ID_OR_NULL ||
+ type == PTR_TO_MEM_OR_NULL;
}
static bool reg_may_point_to_spin_lock(const struct bpf_reg_state *reg)
@@ -396,7 +424,9 @@ static bool reg_type_may_be_refcounted_or_null(enum bpf_reg_type type)
return type == PTR_TO_SOCKET ||
type == PTR_TO_SOCKET_OR_NULL ||
type == PTR_TO_TCP_SOCK ||
- type == PTR_TO_TCP_SOCK_OR_NULL;
+ type == PTR_TO_TCP_SOCK_OR_NULL ||
+ type == PTR_TO_MEM ||
+ type == PTR_TO_MEM_OR_NULL;
}
static bool arg_type_may_be_refcounted(enum bpf_arg_type type)
@@ -410,14 +440,37 @@ static bool arg_type_may_be_refcounted(enum bpf_arg_type type)
*/
static bool is_release_function(enum bpf_func_id func_id)
{
- return func_id == BPF_FUNC_sk_release;
+ return func_id == BPF_FUNC_sk_release ||
+ func_id == BPF_FUNC_ringbuf_submit ||
+ func_id == BPF_FUNC_ringbuf_discard;
}
-static bool is_acquire_function(enum bpf_func_id func_id)
+static bool may_be_acquire_function(enum bpf_func_id func_id)
{
return func_id == BPF_FUNC_sk_lookup_tcp ||
func_id == BPF_FUNC_sk_lookup_udp ||
- func_id == BPF_FUNC_skc_lookup_tcp;
+ func_id == BPF_FUNC_skc_lookup_tcp ||
+ func_id == BPF_FUNC_map_lookup_elem ||
+ func_id == BPF_FUNC_ringbuf_reserve;
+}
+
+static bool is_acquire_function(enum bpf_func_id func_id,
+ const struct bpf_map *map)
+{
+ enum bpf_map_type map_type = map ? map->map_type : BPF_MAP_TYPE_UNSPEC;
+
+ if (func_id == BPF_FUNC_sk_lookup_tcp ||
+ func_id == BPF_FUNC_sk_lookup_udp ||
+ func_id == BPF_FUNC_skc_lookup_tcp ||
+ func_id == BPF_FUNC_ringbuf_reserve)
+ return true;
+
+ if (func_id == BPF_FUNC_map_lookup_elem &&
+ (map_type == BPF_MAP_TYPE_SOCKMAP ||
+ map_type == BPF_MAP_TYPE_SOCKHASH))
+ return true;
+
+ return false;
}
static bool is_ptr_cast_function(enum bpf_func_id func_id)
@@ -448,6 +501,9 @@ static const char * const reg_type_str[] = {
[PTR_TO_TP_BUFFER] = "tp_buffer",
[PTR_TO_XDP_SOCK] = "xdp_sock",
[PTR_TO_BTF_ID] = "ptr_",
+ [PTR_TO_BTF_ID_OR_NULL] = "ptr_or_null_",
+ [PTR_TO_MEM] = "mem",
+ [PTR_TO_MEM_OR_NULL] = "mem_or_null",
};
static char slot_type_char[] = {
@@ -508,7 +564,7 @@ static void print_verifier_state(struct bpf_verifier_env *env,
/* reg->off should be 0 for SCALAR_VALUE */
verbose(env, "%lld", reg->var_off.value + reg->off);
} else {
- if (t == PTR_TO_BTF_ID)
+ if (t == PTR_TO_BTF_ID || t == PTR_TO_BTF_ID_OR_NULL)
verbose(env, "%s", kernel_type_name(reg->btf_id));
verbose(env, "(id=%d", reg->id);
if (reg_type_may_be_refcounted_or_null(t))
@@ -846,7 +902,7 @@ static void update_branch_counts(struct bpf_verifier_env *env, struct bpf_verifi
}
static int pop_stack(struct bpf_verifier_env *env, int *prev_insn_idx,
- int *insn_idx)
+ int *insn_idx, bool pop_log)
{
struct bpf_verifier_state *cur = env->cur_state;
struct bpf_verifier_stack_elem *elem, *head = env->head;
@@ -860,6 +916,8 @@ static int pop_stack(struct bpf_verifier_env *env, int *prev_insn_idx,
if (err)
return err;
}
+ if (pop_log)
+ bpf_vlog_reset(&env->log, head->log_pos);
if (insn_idx)
*insn_idx = head->insn_idx;
if (prev_insn_idx)
@@ -887,6 +945,7 @@ static struct bpf_verifier_state *push_stack(struct bpf_verifier_env *env,
elem->insn_idx = insn_idx;
elem->prev_insn_idx = prev_insn_idx;
elem->next = env->head;
+ elem->log_pos = env->log.len_used;
env->head = elem;
env->stack_size++;
err = copy_verifier_state(&elem->st, cur);
@@ -915,7 +974,7 @@ err:
free_verifier_state(env->cur_state, true);
env->cur_state = NULL;
/* pop all elements and return */
- while (!pop_stack(env, NULL, NULL));
+ while (!pop_stack(env, NULL, NULL, false));
return NULL;
}
@@ -1168,14 +1227,14 @@ static void __reg_assign_32_into_64(struct bpf_reg_state *reg)
* but must be positive otherwise set to worse case bounds
* and refine later from tnum.
*/
- if (reg->s32_min_value > 0)
- reg->smin_value = reg->s32_min_value;
- else
- reg->smin_value = 0;
- if (reg->s32_max_value > 0)
+ if (reg->s32_min_value >= 0 && reg->s32_max_value >= 0)
reg->smax_value = reg->s32_max_value;
else
reg->smax_value = U32_MAX;
+ if (reg->s32_min_value >= 0)
+ reg->smin_value = reg->s32_min_value;
+ else
+ reg->smin_value = 0;
}
static void __reg_combine_32_into_64(struct bpf_reg_state *reg)
@@ -1255,7 +1314,7 @@ static void __mark_reg_unknown(const struct bpf_verifier_env *env,
reg->type = SCALAR_VALUE;
reg->var_off = tnum_unknown;
reg->frameno = 0;
- reg->precise = env->subprog_cnt > 1 || !env->allow_ptr_leaks;
+ reg->precise = env->subprog_cnt > 1 || !env->bpf_capable;
__mark_reg_unbounded(reg);
}
@@ -1387,8 +1446,9 @@ static int check_subprogs(struct bpf_verifier_env *env)
continue;
if (insn[i].src_reg != BPF_PSEUDO_CALL)
continue;
- if (!env->allow_ptr_leaks) {
- verbose(env, "function calls to other bpf functions are allowed for root only\n");
+ if (!env->bpf_capable) {
+ verbose(env,
+ "function calls to other bpf functions are allowed for CAP_BPF and CAP_SYS_ADMIN\n");
return -EPERM;
}
ret = add_subprog(env, i + insn[i].imm + 1);
@@ -1922,8 +1982,7 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int regno,
bool new_marks = false;
int i, err;
- if (!env->allow_ptr_leaks)
- /* backtracking is root only for now */
+ if (!env->bpf_capable)
return 0;
func = st->frame[st->curframe];
@@ -2101,6 +2160,7 @@ static bool is_spillable_regtype(enum bpf_reg_type type)
case PTR_TO_TCP_SOCK_OR_NULL:
case PTR_TO_XDP_SOCK:
case PTR_TO_BTF_ID:
+ case PTR_TO_BTF_ID_OR_NULL:
return true;
default:
return false;
@@ -2118,6 +2178,15 @@ static bool register_is_const(struct bpf_reg_state *reg)
return reg->type == SCALAR_VALUE && tnum_is_const(reg->var_off);
}
+static bool __is_pointer_value(bool allow_ptr_leaks,
+ const struct bpf_reg_state *reg)
+{
+ if (allow_ptr_leaks)
+ return false;
+
+ return reg->type != SCALAR_VALUE;
+}
+
static void save_register_state(struct bpf_func_state *state,
int spi, struct bpf_reg_state *reg)
{
@@ -2161,7 +2230,7 @@ static int check_stack_write(struct bpf_verifier_env *env,
reg = &cur->regs[value_regno];
if (reg && size == BPF_REG_SIZE && register_is_const(reg) &&
- !register_is_null(reg) && env->allow_ptr_leaks) {
+ !register_is_null(reg) && env->bpf_capable) {
if (dst_reg != BPF_REG_FP) {
/* The backtracking logic can only recognize explicit
* stack slot address like [fp - 8]. Other spill of
@@ -2187,7 +2256,7 @@ static int check_stack_write(struct bpf_verifier_env *env,
return -EINVAL;
}
- if (!env->allow_ptr_leaks) {
+ if (!env->bypass_spec_v4) {
bool sanitize = false;
if (state->stack[spi].slot_type[0] == STACK_SPILL &&
@@ -2308,6 +2377,16 @@ static int check_stack_read(struct bpf_verifier_env *env,
* which resets stack/reg liveness for state transitions
*/
state->regs[value_regno].live |= REG_LIVE_WRITTEN;
+ } else if (__is_pointer_value(env->allow_ptr_leaks, reg)) {
+ /* If value_regno==-1, the caller is asking us whether
+ * it is acceptable to use this value as a SCALAR_VALUE
+ * (e.g. for XADD).
+ * We must not allow unprivileged callers to do that
+ * with spilled pointers.
+ */
+ verbose(env, "leaking pointer from stack off %d\n",
+ off);
+ return -EACCES;
}
mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);
} else {
@@ -2399,32 +2478,49 @@ static int check_map_access_type(struct bpf_verifier_env *env, u32 regno,
return 0;
}
-/* check read/write into map element returned by bpf_map_lookup_elem() */
-static int __check_map_access(struct bpf_verifier_env *env, u32 regno, int off,
- int size, bool zero_size_allowed)
+/* check read/write into memory region (e.g., map value, ringbuf sample, etc) */
+static int __check_mem_access(struct bpf_verifier_env *env, int regno,
+ int off, int size, u32 mem_size,
+ bool zero_size_allowed)
{
- struct bpf_reg_state *regs = cur_regs(env);
- struct bpf_map *map = regs[regno].map_ptr;
+ bool size_ok = size > 0 || (size == 0 && zero_size_allowed);
+ struct bpf_reg_state *reg;
+
+ if (off >= 0 && size_ok && (u64)off + size <= mem_size)
+ return 0;
- if (off < 0 || size < 0 || (size == 0 && !zero_size_allowed) ||
- off + size > map->value_size) {
+ reg = &cur_regs(env)[regno];
+ switch (reg->type) {
+ case PTR_TO_MAP_VALUE:
verbose(env, "invalid access to map value, value_size=%d off=%d size=%d\n",
- map->value_size, off, size);
- return -EACCES;
+ mem_size, off, size);
+ break;
+ case PTR_TO_PACKET:
+ case PTR_TO_PACKET_META:
+ case PTR_TO_PACKET_END:
+ verbose(env, "invalid access to packet, off=%d size=%d, R%d(id=%d,off=%d,r=%d)\n",
+ off, size, regno, reg->id, off, mem_size);
+ break;
+ case PTR_TO_MEM:
+ default:
+ verbose(env, "invalid access to memory, mem_size=%u off=%d size=%d\n",
+ mem_size, off, size);
}
- return 0;
+
+ return -EACCES;
}
-/* check read/write into a map element with possible variable offset */
-static int check_map_access(struct bpf_verifier_env *env, u32 regno,
- int off, int size, bool zero_size_allowed)
+/* check read/write into a memory region with possible variable offset */
+static int check_mem_region_access(struct bpf_verifier_env *env, u32 regno,
+ int off, int size, u32 mem_size,
+ bool zero_size_allowed)
{
struct bpf_verifier_state *vstate = env->cur_state;
struct bpf_func_state *state = vstate->frame[vstate->curframe];
struct bpf_reg_state *reg = &state->regs[regno];
int err;
- /* We may have adjusted the register to this map value, so we
+ /* We may have adjusted the register pointing to memory region, so we
* need to try adding each of min_value and max_value to off
* to make sure our theoretical access will be safe.
*/
@@ -2445,10 +2541,10 @@ static int check_map_access(struct bpf_verifier_env *env, u32 regno,
regno);
return -EACCES;
}
- err = __check_map_access(env, regno, reg->smin_value + off, size,
- zero_size_allowed);
+ err = __check_mem_access(env, regno, reg->smin_value + off, size,
+ mem_size, zero_size_allowed);
if (err) {
- verbose(env, "R%d min value is outside of the array range\n",
+ verbose(env, "R%d min value is outside of the allowed memory range\n",
regno);
return err;
}
@@ -2458,18 +2554,38 @@ static int check_map_access(struct bpf_verifier_env *env, u32 regno,
* If reg->umax_value + off could overflow, treat that as unbounded too.
*/
if (reg->umax_value >= BPF_MAX_VAR_OFF) {
- verbose(env, "R%d unbounded memory access, make sure to bounds check any array access into a map\n",
+ verbose(env, "R%d unbounded memory access, make sure to bounds check any such access\n",
regno);
return -EACCES;
}
- err = __check_map_access(env, regno, reg->umax_value + off, size,
- zero_size_allowed);
- if (err)
- verbose(env, "R%d max value is outside of the array range\n",
+ err = __check_mem_access(env, regno, reg->umax_value + off, size,
+ mem_size, zero_size_allowed);
+ if (err) {
+ verbose(env, "R%d max value is outside of the allowed memory range\n",
regno);
+ return err;
+ }
+
+ return 0;
+}
+
+/* check read/write into a map element with possible variable offset */
+static int check_map_access(struct bpf_verifier_env *env, u32 regno,
+ int off, int size, bool zero_size_allowed)
+{
+ struct bpf_verifier_state *vstate = env->cur_state;
+ struct bpf_func_state *state = vstate->frame[vstate->curframe];
+ struct bpf_reg_state *reg = &state->regs[regno];
+ struct bpf_map *map = reg->map_ptr;
+ int err;
+
+ err = check_mem_region_access(env, regno, off, size, map->value_size,
+ zero_size_allowed);
+ if (err)
+ return err;
- if (map_value_has_spin_lock(reg->map_ptr)) {
- u32 lock = reg->map_ptr->spin_lock_off;
+ if (map_value_has_spin_lock(map)) {
+ u32 lock = map->spin_lock_off;
/* if any part of struct bpf_spin_lock can be touched by
* load/store reject this program.
@@ -2527,21 +2643,6 @@ static bool may_access_direct_pkt_data(struct bpf_verifier_env *env,
}
}
-static int __check_packet_access(struct bpf_verifier_env *env, u32 regno,
- int off, int size, bool zero_size_allowed)
-{
- struct bpf_reg_state *regs = cur_regs(env);
- struct bpf_reg_state *reg = &regs[regno];
-
- if (off < 0 || size < 0 || (size == 0 && !zero_size_allowed) ||
- (u64)off + size > reg->range) {
- verbose(env, "invalid access to packet, off=%d size=%d, R%d(id=%d,off=%d,r=%d)\n",
- off, size, regno, reg->id, reg->off, reg->range);
- return -EACCES;
- }
- return 0;
-}
-
static int check_packet_access(struct bpf_verifier_env *env, u32 regno, int off,
int size, bool zero_size_allowed)
{
@@ -2562,16 +2663,17 @@ static int check_packet_access(struct bpf_verifier_env *env, u32 regno, int off,
regno);
return -EACCES;
}
- err = __check_packet_access(env, regno, off, size, zero_size_allowed);
+ err = __check_mem_access(env, regno, off, size, reg->range,
+ zero_size_allowed);
if (err) {
verbose(env, "R%d offset is outside of the packet\n", regno);
return err;
}
- /* __check_packet_access has made sure "off + size - 1" is within u16.
+ /* __check_mem_access has made sure "off + size - 1" is within u16.
* reg->umax_value can't be bigger than MAX_PACKET_OFF which is 0xffff,
* otherwise find_good_pkt_pointers would have refused to set range info
- * that __check_packet_access would have rejected this pkt access.
+ * that __check_mem_access would have rejected this pkt access.
* Therefore, "off + reg->umax_value + size - 1" won't overflow u32.
*/
env->prog->aux->max_pkt_offset =
@@ -2602,7 +2704,7 @@ static int check_ctx_access(struct bpf_verifier_env *env, int insn_idx, int off,
*/
*reg_type = info.reg_type;
- if (*reg_type == PTR_TO_BTF_ID)
+ if (*reg_type == PTR_TO_BTF_ID || *reg_type == PTR_TO_BTF_ID_OR_NULL)
*btf_id = info.btf_id;
else
env->insn_aux_data[insn_idx].ctx_field_size = info.ctx_field_size;
@@ -2673,15 +2775,6 @@ static int check_sock_access(struct bpf_verifier_env *env, int insn_idx,
return -EACCES;
}
-static bool __is_pointer_value(bool allow_ptr_leaks,
- const struct bpf_reg_state *reg)
-{
- if (allow_ptr_leaks)
- return false;
-
- return reg->type != SCALAR_VALUE;
-}
-
static struct bpf_reg_state *reg_state(struct bpf_verifier_env *env, int regno)
{
return cur_regs(env) + regno;
@@ -3089,7 +3182,7 @@ static int check_ptr_to_btf_access(struct bpf_verifier_env *env,
if (ret < 0)
return ret;
- if (atype == BPF_READ) {
+ if (atype == BPF_READ && value_regno >= 0) {
if (ret == SCALAR_VALUE) {
mark_reg_unknown(env, regs, value_regno);
return 0;
@@ -3160,6 +3253,16 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn
mark_reg_unknown(env, regs, value_regno);
}
}
+ } else if (reg->type == PTR_TO_MEM) {
+ if (t == BPF_WRITE && value_regno >= 0 &&
+ is_pointer_value(env, value_regno)) {
+ verbose(env, "R%d leaks addr into mem\n", value_regno);
+ return -EACCES;
+ }
+ err = check_mem_region_access(env, regno, off, size,
+ reg->mem_size, false);
+ if (!err && t == BPF_READ && value_regno >= 0)
+ mark_reg_unknown(env, regs, value_regno);
} else if (reg->type == PTR_TO_CTX) {
enum bpf_reg_type reg_type = SCALAR_VALUE;
u32 btf_id = 0;
@@ -3195,7 +3298,8 @@ static int check_mem_access(struct bpf_verifier_env *env, int insn_idx, u32 regn
* a sub-register.
*/
regs[value_regno].subreg_def = DEF_NOT_SUBREG;
- if (reg_type == PTR_TO_BTF_ID)
+ if (reg_type == PTR_TO_BTF_ID ||
+ reg_type == PTR_TO_BTF_ID_OR_NULL)
regs[value_regno].btf_id = btf_id;
}
regs[value_regno].type = reg_type;
@@ -3380,7 +3484,7 @@ static int check_stack_boundary(struct bpf_verifier_env *env, int regno,
* Spectre masking for stack ALU.
* See also retrieve_ptr_limit().
*/
- if (!env->allow_ptr_leaks) {
+ if (!env->bypass_spec_v1) {
char tn_buf[48];
tnum_strn(tn_buf, sizeof(tn_buf), reg->var_off);
@@ -3442,6 +3546,11 @@ static int check_stack_boundary(struct bpf_verifier_env *env, int regno,
*stype = STACK_MISC;
goto mark;
}
+
+ if (state->stack[spi].slot_type[0] == STACK_SPILL &&
+ state->stack[spi].spilled_ptr.type == PTR_TO_BTF_ID)
+ goto mark;
+
if (state->stack[spi].slot_type[0] == STACK_SPILL &&
state->stack[spi].spilled_ptr.type == SCALAR_VALUE) {
__mark_reg_unknown(env, &state->stack[spi].spilled_ptr);
@@ -3491,6 +3600,10 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno,
return -EACCES;
return check_map_access(env, regno, reg->off, access_size,
zero_size_allowed);
+ case PTR_TO_MEM:
+ return check_mem_region_access(env, regno, reg->off,
+ access_size, reg->mem_size,
+ zero_size_allowed);
default: /* scalar_value|ptr_to_stack or invalid ptr */
return check_stack_boundary(env, regno, access_size,
zero_size_allowed, meta);
@@ -3595,6 +3708,17 @@ static bool arg_type_is_mem_size(enum bpf_arg_type type)
type == ARG_CONST_SIZE_OR_ZERO;
}
+static bool arg_type_is_alloc_mem_ptr(enum bpf_arg_type type)
+{
+ return type == ARG_PTR_TO_ALLOC_MEM ||
+ type == ARG_PTR_TO_ALLOC_MEM_OR_NULL;
+}
+
+static bool arg_type_is_alloc_size(enum bpf_arg_type type)
+{
+ return type == ARG_CONST_ALLOC_SIZE_OR_ZERO;
+}
+
static bool arg_type_is_int_ptr(enum bpf_arg_type type)
{
return type == ARG_PTR_TO_INT ||
@@ -3654,7 +3778,8 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 regno,
type != expected_type)
goto err_type;
} else if (arg_type == ARG_CONST_SIZE ||
- arg_type == ARG_CONST_SIZE_OR_ZERO) {
+ arg_type == ARG_CONST_SIZE_OR_ZERO ||
+ arg_type == ARG_CONST_ALLOC_SIZE_OR_ZERO) {
expected_type = SCALAR_VALUE;
if (type != expected_type)
goto err_type;
@@ -3725,13 +3850,29 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 regno,
* happens during stack boundary checking.
*/
if (register_is_null(reg) &&
- arg_type == ARG_PTR_TO_MEM_OR_NULL)
+ (arg_type == ARG_PTR_TO_MEM_OR_NULL ||
+ arg_type == ARG_PTR_TO_ALLOC_MEM_OR_NULL))
/* final test in check_stack_boundary() */;
else if (!type_is_pkt_pointer(type) &&
type != PTR_TO_MAP_VALUE &&
+ type != PTR_TO_MEM &&
type != expected_type)
goto err_type;
meta->raw_mode = arg_type == ARG_PTR_TO_UNINIT_MEM;
+ } else if (arg_type_is_alloc_mem_ptr(arg_type)) {
+ expected_type = PTR_TO_MEM;
+ if (register_is_null(reg) &&
+ arg_type == ARG_PTR_TO_ALLOC_MEM_OR_NULL)
+ /* final test in check_stack_boundary() */;
+ else if (type != expected_type)
+ goto err_type;
+ if (meta->ref_obj_id) {
+ verbose(env, "verifier internal error: more than one arg with ref_obj_id R%d %u %u\n",
+ regno, reg->ref_obj_id,
+ meta->ref_obj_id);
+ return -EFAULT;
+ }
+ meta->ref_obj_id = reg->ref_obj_id;
} else if (arg_type_is_int_ptr(arg_type)) {
expected_type = PTR_TO_STACK;
if (!type_is_pkt_pointer(type) &&
@@ -3827,6 +3968,13 @@ static int check_func_arg(struct bpf_verifier_env *env, u32 regno,
zero_size_allowed, meta);
if (!err)
err = mark_chain_precision(env, regno);
+ } else if (arg_type_is_alloc_size(arg_type)) {
+ if (!tnum_is_const(reg->var_off)) {
+ verbose(env, "R%d unbounded size, use 'var &= const' or 'if (var < const)'\n",
+ regno);
+ return -EACCES;
+ }
+ meta->mem_size = reg->var_off.value;
} else if (arg_type_is_int_ptr(arg_type)) {
int size = int_ptr_type_to_size(arg_type);
@@ -3863,6 +4011,14 @@ static int check_map_func_compatibility(struct bpf_verifier_env *env,
func_id != BPF_FUNC_xdp_output)
goto error;
break;
+ case BPF_MAP_TYPE_RINGBUF:
+ if (func_id != BPF_FUNC_ringbuf_output &&
+ func_id != BPF_FUNC_ringbuf_reserve &&
+ func_id != BPF_FUNC_ringbuf_submit &&
+ func_id != BPF_FUNC_ringbuf_discard &&
+ func_id != BPF_FUNC_ringbuf_query)
+ goto error;
+ break;
case BPF_MAP_TYPE_STACK_TRACE:
if (func_id != BPF_FUNC_get_stackid)
goto error;
@@ -3905,7 +4061,8 @@ static int check_map_func_compatibility(struct bpf_verifier_env *env,
func_id != BPF_FUNC_sock_map_update &&
func_id != BPF_FUNC_map_delete_elem &&
func_id != BPF_FUNC_msg_redirect_map &&
- func_id != BPF_FUNC_sk_select_reuseport)
+ func_id != BPF_FUNC_sk_select_reuseport &&
+ func_id != BPF_FUNC_map_lookup_elem)
goto error;
break;
case BPF_MAP_TYPE_SOCKHASH:
@@ -3913,7 +4070,8 @@ static int check_map_func_compatibility(struct bpf_verifier_env *env,
func_id != BPF_FUNC_sock_hash_update &&
func_id != BPF_FUNC_map_delete_elem &&
func_id != BPF_FUNC_msg_redirect_hash &&
- func_id != BPF_FUNC_sk_select_reuseport)
+ func_id != BPF_FUNC_sk_select_reuseport &&
+ func_id != BPF_FUNC_map_lookup_elem)
goto error;
break;
case BPF_MAP_TYPE_REUSEPORT_SOCKARRAY:
@@ -4083,7 +4241,7 @@ static bool check_refcount_ok(const struct bpf_func_proto *fn, int func_id)
/* A reference acquiring function cannot acquire
* another refcounted ptr.
*/
- if (is_acquire_function(func_id) && count)
+ if (may_be_acquire_function(func_id) && count)
return false;
/* We only support one arg being unreferenced at the moment,
@@ -4330,7 +4488,9 @@ static void do_refine_retval_range(struct bpf_reg_state *regs, int ret_type,
if (ret_type != RET_INTEGER ||
(func_id != BPF_FUNC_get_stack &&
- func_id != BPF_FUNC_probe_read_str))
+ func_id != BPF_FUNC_probe_read_str &&
+ func_id != BPF_FUNC_probe_read_kernel_str &&
+ func_id != BPF_FUNC_probe_read_user_str))
return;
ret_reg->smax_value = meta->msize_max_value;
@@ -4376,10 +4536,10 @@ record_func_map(struct bpf_verifier_env *env, struct bpf_call_arg_meta *meta,
if (!BPF_MAP_PTR(aux->map_ptr_state))
bpf_map_ptr_store(aux, meta->map_ptr,
- meta->map_ptr->unpriv_array);
+ !meta->map_ptr->bypass_spec_v1);
else if (BPF_MAP_PTR(aux->map_ptr_state) != meta->map_ptr)
bpf_map_ptr_store(aux, BPF_MAP_PTR_POISON,
- meta->map_ptr->unpriv_array);
+ !meta->map_ptr->bypass_spec_v1);
return 0;
}
@@ -4585,6 +4745,11 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn
mark_reg_known_zero(env, regs, BPF_REG_0);
regs[BPF_REG_0].type = PTR_TO_TCP_SOCK_OR_NULL;
regs[BPF_REG_0].id = ++env->id_gen;
+ } else if (fn->ret_type == RET_PTR_TO_ALLOC_MEM_OR_NULL) {
+ mark_reg_known_zero(env, regs, BPF_REG_0);
+ regs[BPF_REG_0].type = PTR_TO_MEM_OR_NULL;
+ regs[BPF_REG_0].id = ++env->id_gen;
+ regs[BPF_REG_0].mem_size = meta.mem_size;
} else {
verbose(env, "unknown return type %d of func %s#%d\n",
fn->ret_type, func_id_name(func_id), func_id);
@@ -4594,7 +4759,7 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn
if (is_ptr_cast_function(func_id)) {
/* For release_reference() */
regs[BPF_REG_0].ref_obj_id = meta.ref_obj_id;
- } else if (is_acquire_function(func_id)) {
+ } else if (is_acquire_function(func_id, meta.map_ptr)) {
int id = acquire_reference_state(env, insn_idx);
if (id < 0)
@@ -4748,7 +4913,7 @@ static int retrieve_ptr_limit(const struct bpf_reg_state *ptr_reg,
static bool can_skip_alu_sanitation(const struct bpf_verifier_env *env,
const struct bpf_insn *insn)
{
- return env->allow_ptr_leaks || BPF_SRC(insn->code) == BPF_K;
+ return env->bypass_spec_v1 || BPF_SRC(insn->code) == BPF_K;
}
static int update_alu_sanitation_state(struct bpf_insn_aux_data *aux,
@@ -5058,7 +5223,7 @@ static int adjust_ptr_min_max_vals(struct bpf_verifier_env *env,
/* For unprivileged we require that resulting offset must be in bounds
* in order to be able to sanitize access later on.
*/
- if (!env->allow_ptr_leaks) {
+ if (!env->bypass_spec_v1) {
if (dst_reg->type == PTR_TO_MAP_VALUE &&
check_map_access(env, dst, dst_reg->off, 1, false)) {
verbose(env, "R%d pointer arithmetic of map value goes out of range, "
@@ -5599,7 +5764,7 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env,
{
struct bpf_reg_state *regs = cur_regs(env);
u8 opcode = BPF_OP(insn->code);
- bool src_known, dst_known;
+ bool src_known;
s64 smin_val, smax_val;
u64 umin_val, umax_val;
s32 s32_min_val, s32_max_val;
@@ -5621,7 +5786,6 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env,
if (alu32) {
src_known = tnum_subreg_is_const(src_reg.var_off);
- dst_known = tnum_subreg_is_const(dst_reg->var_off);
if ((src_known &&
(s32_min_val != s32_max_val || u32_min_val != u32_max_val)) ||
s32_min_val > s32_max_val || u32_min_val > u32_max_val) {
@@ -5633,7 +5797,6 @@ static int adjust_scalar_min_max_vals(struct bpf_verifier_env *env,
}
} else {
src_known = tnum_is_const(src_reg.var_off);
- dst_known = tnum_is_const(dst_reg->var_off);
if ((src_known &&
(smin_val != smax_val || umin_val != umax_val)) ||
smin_val > smax_val || umin_val > umax_val) {
@@ -6249,8 +6412,25 @@ static int is_branch64_taken(struct bpf_reg_state *reg, u64 val, u8 opcode)
static int is_branch_taken(struct bpf_reg_state *reg, u64 val, u8 opcode,
bool is_jmp32)
{
- if (__is_pointer_value(false, reg))
- return -1;
+ if (__is_pointer_value(false, reg)) {
+ if (!reg_type_not_null(reg->type))
+ return -1;
+
+ /* If pointer is valid tests against zero will fail so we can
+ * use this to direct branch taken.
+ */
+ if (val != 0)
+ return -1;
+
+ switch (opcode) {
+ case BPF_JEQ:
+ return 0;
+ case BPF_JNE:
+ return 1;
+ default:
+ return -1;
+ }
+ }
if (is_jmp32)
return is_branch32_taken(reg, val, opcode);
@@ -6505,12 +6685,16 @@ static void mark_ptr_or_null_reg(struct bpf_func_state *state,
if (is_null) {
reg->type = SCALAR_VALUE;
} else if (reg->type == PTR_TO_MAP_VALUE_OR_NULL) {
- if (reg->map_ptr->inner_map_meta) {
+ const struct bpf_map *map = reg->map_ptr;
+
+ if (map->inner_map_meta) {
reg->type = CONST_PTR_TO_MAP;
- reg->map_ptr = reg->map_ptr->inner_map_meta;
- } else if (reg->map_ptr->map_type ==
- BPF_MAP_TYPE_XSKMAP) {
+ reg->map_ptr = map->inner_map_meta;
+ } else if (map->map_type == BPF_MAP_TYPE_XSKMAP) {
reg->type = PTR_TO_XDP_SOCK;
+ } else if (map->map_type == BPF_MAP_TYPE_SOCKMAP ||
+ map->map_type == BPF_MAP_TYPE_SOCKHASH) {
+ reg->type = PTR_TO_SOCKET;
} else {
reg->type = PTR_TO_MAP_VALUE;
}
@@ -6520,6 +6704,10 @@ static void mark_ptr_or_null_reg(struct bpf_func_state *state,
reg->type = PTR_TO_SOCK_COMMON;
} else if (reg->type == PTR_TO_TCP_SOCK_OR_NULL) {
reg->type = PTR_TO_TCP_SOCK;
+ } else if (reg->type == PTR_TO_BTF_ID_OR_NULL) {
+ reg->type = PTR_TO_BTF_ID;
+ } else if (reg->type == PTR_TO_MEM_OR_NULL) {
+ reg->type = PTR_TO_MEM;
}
if (is_null) {
/* We don't need id and ref_obj_id from this point
@@ -6743,7 +6931,11 @@ static int check_cond_jmp_op(struct bpf_verifier_env *env,
}
if (pred >= 0) {
- err = mark_chain_precision(env, insn->dst_reg);
+ /* If we get here with a dst_reg pointer type it is because
+ * above is_branch_taken() special cased the 0 comparison.
+ */
+ if (!__is_pointer_value(false, dst_reg))
+ err = mark_chain_precision(env, insn->dst_reg);
if (BPF_SRC(insn->code) == BPF_X && !err)
err = mark_chain_precision(env, insn->src_reg);
if (err)
@@ -7029,7 +7221,11 @@ static int check_return_code(struct bpf_verifier_env *env)
switch (env->prog->type) {
case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
if (env->prog->expected_attach_type == BPF_CGROUP_UDP4_RECVMSG ||
- env->prog->expected_attach_type == BPF_CGROUP_UDP6_RECVMSG)
+ env->prog->expected_attach_type == BPF_CGROUP_UDP6_RECVMSG ||
+ env->prog->expected_attach_type == BPF_CGROUP_INET4_GETPEERNAME ||
+ env->prog->expected_attach_type == BPF_CGROUP_INET6_GETPEERNAME ||
+ env->prog->expected_attach_type == BPF_CGROUP_INET4_GETSOCKNAME ||
+ env->prog->expected_attach_type == BPF_CGROUP_INET6_GETSOCKNAME)
range = tnum_range(1, 1);
break;
case BPF_PROG_TYPE_CGROUP_SKB:
@@ -7049,6 +7245,25 @@ static int check_return_code(struct bpf_verifier_env *env)
return 0;
range = tnum_const(0);
break;
+ case BPF_PROG_TYPE_TRACING:
+ switch (env->prog->expected_attach_type) {
+ case BPF_TRACE_FENTRY:
+ case BPF_TRACE_FEXIT:
+ range = tnum_const(0);
+ break;
+ case BPF_TRACE_RAW_TP:
+ case BPF_MODIFY_RETURN:
+ return 0;
+ case BPF_TRACE_ITER:
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+ break;
+ case BPF_PROG_TYPE_EXT:
+ /* freplace program can return anything as its return value
+ * depends on the to-be-replaced kernel func or bpf program.
+ */
default:
return 0;
}
@@ -7177,7 +7392,7 @@ static int push_insn(int t, int w, int e, struct bpf_verifier_env *env,
insn_stack[env->cfg.cur_stack++] = w;
return 1;
} else if ((insn_state[w] & 0xF0) == DISCOVERED) {
- if (loop_ok && env->allow_ptr_leaks)
+ if (loop_ok && env->bpf_capable)
return 0;
verbose_linfo(env, t, "%d: ", t);
verbose_linfo(env, w, "%d: ", w);
@@ -8286,7 +8501,7 @@ next:
if (env->max_states_per_insn < states_cnt)
env->max_states_per_insn = states_cnt;
- if (!env->allow_ptr_leaks && states_cnt > BPF_COMPLEXITY_LIMIT_STATES)
+ if (!env->bpf_capable && states_cnt > BPF_COMPLEXITY_LIMIT_STATES)
return push_jmp_history(env, cur);
if (!add_new_state)
@@ -8373,6 +8588,7 @@ static bool reg_type_mismatch_ok(enum bpf_reg_type type)
case PTR_TO_TCP_SOCK_OR_NULL:
case PTR_TO_XDP_SOCK:
case PTR_TO_BTF_ID:
+ case PTR_TO_BTF_ID_OR_NULL:
return false;
default:
return true;
@@ -8399,6 +8615,7 @@ static bool reg_type_mismatch(enum bpf_reg_type src, enum bpf_reg_type prev)
static int do_check(struct bpf_verifier_env *env)
{
+ bool pop_log = !(env->log.level & BPF_LOG_LEVEL2);
struct bpf_verifier_state *state = env->cur_state;
struct bpf_insn *insns = env->prog->insnsi;
struct bpf_reg_state *regs;
@@ -8675,7 +8892,7 @@ static int do_check(struct bpf_verifier_env *env)
process_bpf_exit:
update_branch_counts(env, env->cur_state);
err = pop_stack(env, &prev_insn_idx,
- &env->insn_idx);
+ &env->insn_idx, pop_log);
if (err < 0) {
if (err != -ENOENT)
return err;
@@ -9945,7 +10162,7 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
insn->code = BPF_JMP | BPF_TAIL_CALL;
aux = &env->insn_aux_data[i + delta];
- if (env->allow_ptr_leaks && !expect_blinding &&
+ if (env->bpf_capable && !expect_blinding &&
prog->jit_requested &&
!bpf_map_key_poisoned(aux) &&
!bpf_map_ptr_poisoned(aux) &&
@@ -10198,6 +10415,7 @@ static void sanitize_insn_aux_data(struct bpf_verifier_env *env)
static int do_check_common(struct bpf_verifier_env *env, int subprog)
{
+ bool pop_log = !(env->log.level & BPF_LOG_LEVEL2);
struct bpf_verifier_state *state;
struct bpf_reg_state *regs;
int ret, i;
@@ -10260,7 +10478,9 @@ out:
free_verifier_state(env->cur_state, true);
env->cur_state = NULL;
}
- while (!pop_stack(env, NULL, NULL));
+ while (!pop_stack(env, NULL, NULL, false));
+ if (!ret && pop_log)
+ bpf_vlog_reset(&env->log, 0);
free_states(env);
if (ret)
/* clean aux data in case subprog was rejected */
@@ -10399,22 +10619,13 @@ static int check_struct_ops_btf_id(struct bpf_verifier_env *env)
}
#define SECURITY_PREFIX "security_"
-static int check_attach_modify_return(struct bpf_verifier_env *env)
+static int check_attach_modify_return(struct bpf_prog *prog, unsigned long addr)
{
- struct bpf_prog *prog = env->prog;
- unsigned long addr = (unsigned long) prog->aux->trampoline->func.addr;
-
- /* This is expected to be cleaned up in the future with the KRSI effort
- * introducing the LSM_HOOK macro for cleaning up lsm_hooks.h.
- */
if (within_error_injection_list(addr) ||
!strncmp(SECURITY_PREFIX, prog->aux->attach_func_name,
sizeof(SECURITY_PREFIX) - 1))
return 0;
- verbose(env, "fmod_ret attach_btf_id %u (%s) is not modifiable\n",
- prog->aux->attach_btf_id, prog->aux->attach_func_name);
-
return -EINVAL;
}
@@ -10425,6 +10636,7 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
struct bpf_prog *tgt_prog = prog->aux->linked_prog;
u32 btf_id = prog->aux->attach_btf_id;
const char prefix[] = "btf_trace_";
+ struct btf_func_model fmodel;
int ret = 0, subprog = -1, i;
struct bpf_trampoline *tr;
const struct btf_type *t;
@@ -10487,6 +10699,7 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
return -EINVAL;
}
env->ops = bpf_verifier_ops[tgt_prog->type];
+ prog->expected_attach_type = tgt_prog->expected_attach_type;
}
if (!tgt_prog->jited) {
verbose(env, "Can attach to only JITed progs\n");
@@ -10565,6 +10778,22 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
prog->aux->attach_func_proto = t;
prog->aux->attach_btf_trace = true;
return 0;
+ case BPF_TRACE_ITER:
+ if (!btf_type_is_func(t)) {
+ verbose(env, "attach_btf_id %u is not a function\n",
+ btf_id);
+ return -EINVAL;
+ }
+ t = btf_type_by_id(btf, t->type);
+ if (!btf_type_is_func_proto(t))
+ return -EINVAL;
+ prog->aux->attach_func_name = tname;
+ prog->aux->attach_func_proto = t;
+ if (!bpf_iter_prog_supported(prog))
+ return -EINVAL;
+ ret = btf_distill_func_proto(&env->log, btf, t,
+ tname, &fmodel);
+ return ret;
default:
if (!prog_extension)
return -EINVAL;
@@ -10624,11 +10853,18 @@ static int check_attach_btf_id(struct bpf_verifier_env *env)
goto out;
}
}
+
+ if (prog->expected_attach_type == BPF_MODIFY_RETURN) {
+ ret = check_attach_modify_return(prog, addr);
+ if (ret)
+ verbose(env, "%s() is not modifiable\n",
+ prog->aux->attach_func_name);
+ }
+
+ if (ret)
+ goto out;
tr->func.addr = (void *)addr;
prog->aux->trampoline = tr;
-
- if (prog->expected_attach_type == BPF_MODIFY_RETURN)
- ret = check_attach_modify_return(env);
out:
mutex_unlock(&tr->mutex);
if (ret)
@@ -10668,7 +10904,7 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr,
env->insn_aux_data[i].orig_idx = i;
env->prog = *prog;
env->ops = bpf_verifier_ops[env->prog->type];
- is_priv = capable(CAP_SYS_ADMIN);
+ is_priv = bpf_capable();
if (!btf_vmlinux && IS_ENABLED(CONFIG_DEBUG_INFO_BTF)) {
mutex_lock(&bpf_verifier_lock);
@@ -10709,7 +10945,10 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr,
if (attr->prog_flags & BPF_F_ANY_ALIGNMENT)
env->strict_alignment = false;
- env->allow_ptr_leaks = is_priv;
+ env->allow_ptr_leaks = bpf_allow_ptr_leaks();
+ env->bypass_spec_v1 = bpf_bypass_spec_v1();
+ env->bypass_spec_v4 = bpf_bypass_spec_v4();
+ env->bpf_capable = bpf_capable();
if (is_priv)
env->test_state_freq = attr->prog_flags & BPF_F_TEST_STATE_FREQ;
@@ -10831,6 +11070,13 @@ err_release_maps:
* them now. Otherwise free_used_maps() will release them.
*/
release_maps(env);
+
+ /* extension progs temporarily inherit the attach_type of their targets
+ for verification purposes, so set it back to zero before returning
+ */
+ if (env->prog->type == BPF_PROG_TYPE_EXT)
+ env->prog->expected_attach_type = 0;
+
*prog = env->prog;
err_unlock:
if (!is_priv)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 06b5ea9d899d..557a9b9d2244 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -6508,33 +6508,6 @@ int cgroup_bpf_attach(struct cgroup *cgrp,
return ret;
}
-int cgroup_bpf_replace(struct bpf_link *link, struct bpf_prog *old_prog,
- struct bpf_prog *new_prog)
-{
- struct bpf_cgroup_link *cg_link;
- int ret;
-
- if (link->ops != &bpf_cgroup_link_lops)
- return -EINVAL;
-
- cg_link = container_of(link, struct bpf_cgroup_link, link);
-
- mutex_lock(&cgroup_mutex);
- /* link might have been auto-released by dying cgroup, so fail */
- if (!cg_link->cgroup) {
- ret = -EINVAL;
- goto out_unlock;
- }
- if (old_prog && link->prog != old_prog) {
- ret = -EPERM;
- goto out_unlock;
- }
- ret = __cgroup_bpf_replace(cg_link->cgroup, cg_link, new_prog);
-out_unlock:
- mutex_unlock(&cgroup_mutex);
- return ret;
-}
-
int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog,
enum bpf_attach_type type)
{
diff --git a/kernel/cgroup/namespace.c b/kernel/cgroup/namespace.c
index b05f1dd58a62..812a61afd538 100644
--- a/kernel/cgroup/namespace.c
+++ b/kernel/cgroup/namespace.c
@@ -95,11 +95,12 @@ static inline struct cgroup_namespace *to_cg_ns(struct ns_common *ns)
return container_of(ns, struct cgroup_namespace, ns);
}
-static int cgroupns_install(struct nsproxy *nsproxy, struct ns_common *ns)
+static int cgroupns_install(struct nsset *nsset, struct ns_common *ns)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct cgroup_namespace *cgroup_ns = to_cg_ns(ns);
- if (!ns_capable(current_user_ns(), CAP_SYS_ADMIN) ||
+ if (!ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN) ||
!ns_capable(cgroup_ns->user_ns, CAP_SYS_ADMIN))
return -EPERM;
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 6f87352f8219..41ca996568df 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -33,12 +33,9 @@ void cgroup_rstat_updated(struct cgroup *cgrp, int cpu)
return;
/*
- * Paired with the one in cgroup_rstat_cpu_pop_updated(). Either we
- * see NULL updated_next or they see our updated stat.
- */
- smp_mb();
-
- /*
+ * Speculative already-on-list test. This may race leading to
+ * temporary inaccuracies, which is fine.
+ *
* Because @parent's updated_children is terminated with @parent
* instead of NULL, we can tell whether @cgrp is on the list by
* testing the next pointer for NULL.
@@ -134,13 +131,6 @@ static struct cgroup *cgroup_rstat_cpu_pop_updated(struct cgroup *pos,
*nextp = rstatc->updated_next;
rstatc->updated_next = NULL;
- /*
- * Paired with the one in cgroup_rstat_cpu_updated().
- * Either they see NULL updated_next or we see their
- * updated stat.
- */
- smp_mb();
-
return pos;
}
diff --git a/kernel/compat.c b/kernel/compat.c
index 843dd17e6078..b8d2800bb4b7 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -199,7 +199,7 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG);
nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size);
- if (!user_access_begin(umask, bitmap_size / 8))
+ if (!user_read_access_begin(umask, bitmap_size / 8))
return -EFAULT;
while (nr_compat_longs > 1) {
@@ -211,11 +211,11 @@ long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask,
}
if (nr_compat_longs)
unsafe_get_user(*mask, umask++, Efault);
- user_access_end();
+ user_read_access_end();
return 0;
Efault:
- user_access_end();
+ user_read_access_end();
return -EFAULT;
}
@@ -228,7 +228,7 @@ long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
bitmap_size = ALIGN(bitmap_size, BITS_PER_COMPAT_LONG);
nr_compat_longs = BITS_TO_COMPAT_LONGS(bitmap_size);
- if (!user_access_begin(umask, bitmap_size / 8))
+ if (!user_write_access_begin(umask, bitmap_size / 8))
return -EFAULT;
while (nr_compat_longs > 1) {
@@ -239,10 +239,10 @@ long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,
}
if (nr_compat_longs)
unsafe_put_user((compat_ulong_t)*mask, umask++, Efault);
- user_access_end();
+ user_write_access_end();
return 0;
Efault:
- user_access_end();
+ user_write_access_end();
return -EFAULT;
}
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 2371292f30b0..6ff2578ecf17 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -3,6 +3,7 @@
*
* This code is licenced under the GPL.
*/
+#include <linux/sched/mm.h>
#include <linux/proc_fs.h>
#include <linux/smp.h>
#include <linux/init.h>
@@ -432,7 +433,7 @@ static inline bool cpu_smt_allowed(unsigned int cpu)
/*
* On x86 it's required to boot all logical CPUs at least once so
* that the init code can get a chance to set CR4.MCE on each
- * CPU. Otherwise, a broadacasted MCE observing CR4.MCE=0b on any
+ * CPU. Otherwise, a broadcasted MCE observing CR4.MCE=0b on any
* core will shutdown the machine.
*/
return !cpumask_test_cpu(cpu, &cpus_booted_once_mask);
@@ -564,6 +565,21 @@ static int bringup_cpu(unsigned int cpu)
return bringup_wait_for_ap(cpu);
}
+static int finish_cpu(unsigned int cpu)
+{
+ struct task_struct *idle = idle_thread_get(cpu);
+ struct mm_struct *mm = idle->active_mm;
+
+ /*
+ * idle_task_exit() will have switched to &init_mm, now
+ * clean up any remaining active_mm state.
+ */
+ if (mm != &init_mm)
+ idle->active_mm = &init_mm;
+ mmdrop(mm);
+ return 0;
+}
+
/*
* Hotplug state machine related functions
*/
@@ -1327,7 +1343,7 @@ void bringup_nonboot_cpus(unsigned int setup_max_cpus)
#ifdef CONFIG_PM_SLEEP_SMP
static cpumask_var_t frozen_cpus;
-int __freeze_secondary_cpus(int primary, bool suspend)
+int freeze_secondary_cpus(int primary)
{
int cpu, error = 0;
@@ -1352,7 +1368,7 @@ int __freeze_secondary_cpus(int primary, bool suspend)
if (cpu == primary)
continue;
- if (suspend && pm_wakeup_pending()) {
+ if (pm_wakeup_pending()) {
pr_info("Wakeup pending. Abort CPU freeze\n");
error = -EBUSY;
break;
@@ -1376,8 +1392,8 @@ int __freeze_secondary_cpus(int primary, bool suspend)
/*
* Make sure the CPUs won't be enabled by someone else. We need to do
- * this even in case of failure as all disable_nonboot_cpus() users are
- * supposed to do enable_nonboot_cpus() on the failure path.
+ * this even in case of failure as all freeze_secondary_cpus() users are
+ * supposed to do thaw_secondary_cpus() on the failure path.
*/
cpu_hotplug_disabled++;
@@ -1385,15 +1401,15 @@ int __freeze_secondary_cpus(int primary, bool suspend)
return error;
}
-void __weak arch_enable_nonboot_cpus_begin(void)
+void __weak arch_thaw_secondary_cpus_begin(void)
{
}
-void __weak arch_enable_nonboot_cpus_end(void)
+void __weak arch_thaw_secondary_cpus_end(void)
{
}
-void enable_nonboot_cpus(void)
+void thaw_secondary_cpus(void)
{
int cpu, error;
@@ -1405,7 +1421,7 @@ void enable_nonboot_cpus(void)
pr_info("Enabling non-boot CPUs ...\n");
- arch_enable_nonboot_cpus_begin();
+ arch_thaw_secondary_cpus_begin();
for_each_cpu(cpu, frozen_cpus) {
trace_suspend_resume(TPS("CPU_ON"), cpu, true);
@@ -1418,7 +1434,7 @@ void enable_nonboot_cpus(void)
pr_warn("Error taking CPU%d up: %d\n", cpu, error);
}
- arch_enable_nonboot_cpus_end();
+ arch_thaw_secondary_cpus_end();
cpumask_clear(frozen_cpus);
out:
@@ -1549,7 +1565,7 @@ static struct cpuhp_step cpuhp_hp_states[] = {
[CPUHP_BRINGUP_CPU] = {
.name = "cpu:bringup",
.startup.single = bringup_cpu,
- .teardown.single = NULL,
+ .teardown.single = finish_cpu,
.cant_stop = true,
},
/* Final state before CPU kills itself */
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index 9c23ae074b40..92da32275af5 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -6,12 +6,6 @@
#include <linux/export.h>
/*
- * If we have booted due to a crash, max_pfn will be a very low value. We need
- * to know the amount of memory that the previous kernel used.
- */
-unsigned long saved_max_pfn;
-
-/*
* stores the physical address of elf header of crash image
*
* Note: elfcorehdr_addr is not just limited to vmcore. It is also used by
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 2b7c9b67931d..ef94e906f05a 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -67,9 +67,7 @@ static int kgdb_break_asap;
struct debuggerinfo_struct kgdb_info[NR_CPUS];
-/**
- * kgdb_connected - Is a host GDB connected to us?
- */
+/* kgdb_connected - Is a host GDB connected to us? */
int kgdb_connected;
EXPORT_SYMBOL_GPL(kgdb_connected);
@@ -532,6 +530,7 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
if (exception_level > 1) {
dump_stack();
+ kgdb_io_module_registered = false;
panic("Recursive entry to debugger");
}
@@ -668,6 +667,8 @@ return_normal:
if (kgdb_skipexception(ks->ex_vector, ks->linux_regs))
goto kgdb_restore;
+ atomic_inc(&ignore_console_lock_warning);
+
/* Call the I/O driver's pre_exception routine */
if (dbg_io_ops->pre_exception)
dbg_io_ops->pre_exception();
@@ -740,6 +741,8 @@ cpu_master_loop:
if (dbg_io_ops->post_exception)
dbg_io_ops->post_exception();
+ atomic_dec(&ignore_console_lock_warning);
+
if (!kgdb_single_step) {
raw_spin_unlock(&dbg_slave_lock);
/* Wait till all the CPUs have quit from the debugger. */
@@ -946,6 +949,14 @@ void kgdb_panic(const char *msg)
kgdb_breakpoint();
}
+static void kgdb_initial_breakpoint(void)
+{
+ kgdb_break_asap = 0;
+
+ pr_crit("Waiting for connection from remote gdb...\n");
+ kgdb_breakpoint();
+}
+
void __weak kgdb_arch_late(void)
{
}
@@ -956,6 +967,9 @@ void __init dbg_late_init(void)
if (kgdb_io_module_registered)
kgdb_arch_late();
kdb_init(KDB_INIT_FULL);
+
+ if (kgdb_io_module_registered && kgdb_break_asap)
+ kgdb_initial_breakpoint();
}
static int
@@ -1051,14 +1065,6 @@ void kgdb_schedule_breakpoint(void)
}
EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint);
-static void kgdb_initial_breakpoint(void)
-{
- kgdb_break_asap = 0;
-
- pr_crit("Waiting for connection from remote gdb...\n");
- kgdb_breakpoint();
-}
-
/**
* kgdb_register_io_module - register KGDB IO module
* @new_dbg_io_ops: the io ops vector
@@ -1067,15 +1073,22 @@ static void kgdb_initial_breakpoint(void)
*/
int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
{
+ struct kgdb_io *old_dbg_io_ops;
int err;
spin_lock(&kgdb_registration_lock);
- if (dbg_io_ops) {
- spin_unlock(&kgdb_registration_lock);
+ old_dbg_io_ops = dbg_io_ops;
+ if (old_dbg_io_ops) {
+ if (!old_dbg_io_ops->deinit) {
+ spin_unlock(&kgdb_registration_lock);
- pr_err("Another I/O driver is already registered with KGDB\n");
- return -EBUSY;
+ pr_err("KGDB I/O driver %s can't replace %s.\n",
+ new_dbg_io_ops->name, old_dbg_io_ops->name);
+ return -EBUSY;
+ }
+ pr_info("Replacing I/O driver %s with %s\n",
+ old_dbg_io_ops->name, new_dbg_io_ops->name);
}
if (new_dbg_io_ops->init) {
@@ -1090,12 +1103,18 @@ int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops)
spin_unlock(&kgdb_registration_lock);
+ if (old_dbg_io_ops) {
+ old_dbg_io_ops->deinit();
+ return 0;
+ }
+
pr_info("Registered I/O driver %s\n", new_dbg_io_ops->name);
/* Arm KGDB now. */
kgdb_register_callbacks();
- if (kgdb_break_asap)
+ if (kgdb_break_asap &&
+ (!dbg_is_early || IS_ENABLED(CONFIG_ARCH_HAS_EARLY_DEBUG)))
kgdb_initial_breakpoint();
return 0;
@@ -1125,6 +1144,9 @@ void kgdb_unregister_io_module(struct kgdb_io *old_dbg_io_ops)
spin_unlock(&kgdb_registration_lock);
+ if (old_dbg_io_ops->deinit)
+ old_dbg_io_ops->deinit();
+
pr_info("Unregistered I/O driver %s, debugger disabled\n",
old_dbg_io_ops->name);
}
@@ -1165,7 +1187,8 @@ static int __init opt_kgdb_wait(char *str)
kgdb_break_asap = 1;
kdb_init(KDB_INIT_EARLY);
- if (kgdb_io_module_registered)
+ if (kgdb_io_module_registered &&
+ IS_ENABLED(CONFIG_ARCH_HAS_EARLY_DEBUG))
kgdb_initial_breakpoint();
return 0;
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index 515379cbf209..ec190569f690 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -62,7 +62,7 @@ int kdb_grep_trailing;
/*
* Kernel debugger state flags
*/
-int kdb_flags;
+unsigned int kdb_flags;
/*
* kdb_lock protects updates to kdb_initial_cpu. Used to
@@ -418,8 +418,7 @@ int kdb_set(int argc, const char **argv)
argv[2]);
return 0;
}
- kdb_flags = (kdb_flags &
- ~(KDB_DEBUG_FLAG_MASK << KDB_DEBUG_FLAG_SHIFT))
+ kdb_flags = (kdb_flags & ~KDB_DEBUG(MASK))
| (debugflags << KDB_DEBUG_FLAG_SHIFT);
return 0;
@@ -1108,7 +1107,8 @@ static int handle_ctrl_cmd(char *cmd)
switch (*cmd) {
case CTRL_P:
if (cmdptr != cmd_tail)
- cmdptr = (cmdptr-1) % KDB_CMD_HISTORY_COUNT;
+ cmdptr = (cmdptr + KDB_CMD_HISTORY_COUNT - 1) %
+ KDB_CMD_HISTORY_COUNT;
strscpy(cmd_cur, cmd_hist[cmdptr], CMD_BUFLEN);
return 1;
case CTRL_N:
@@ -2081,7 +2081,8 @@ static int kdb_env(int argc, const char **argv)
}
if (KDB_DEBUG(MASK))
- kdb_printf("KDBFLAGS=0x%x\n", kdb_flags);
+ kdb_printf("KDBDEBUG=0x%x\n",
+ (kdb_flags & KDB_DEBUG(MASK)) >> KDB_DEBUG_FLAG_SHIFT);
return 0;
}
diff --git a/kernel/dma/remap.c b/kernel/dma/remap.c
index d14cbc83986a..914ff5a58dd5 100644
--- a/kernel/dma/remap.c
+++ b/kernel/dma/remap.c
@@ -20,23 +20,6 @@ struct page **dma_common_find_pages(void *cpu_addr)
return area->pages;
}
-static struct vm_struct *__dma_common_pages_remap(struct page **pages,
- size_t size, pgprot_t prot, const void *caller)
-{
- struct vm_struct *area;
-
- area = get_vm_area_caller(size, VM_DMA_COHERENT, caller);
- if (!area)
- return NULL;
-
- if (map_vm_area(area, prot, pages)) {
- vunmap(area->addr);
- return NULL;
- }
-
- return area;
-}
-
/*
* Remaps an array of PAGE_SIZE pages into another vm_area.
* Cannot be used in non-sleeping contexts
@@ -44,15 +27,12 @@ static struct vm_struct *__dma_common_pages_remap(struct page **pages,
void *dma_common_pages_remap(struct page **pages, size_t size,
pgprot_t prot, const void *caller)
{
- struct vm_struct *area;
+ void *vaddr;
- area = __dma_common_pages_remap(pages, size, prot, caller);
- if (!area)
- return NULL;
-
- area->pages = pages;
-
- return area->addr;
+ vaddr = vmap(pages, size >> PAGE_SHIFT, VM_DMA_COHERENT, prot);
+ if (vaddr)
+ find_vm_area(vaddr)->pages = pages;
+ return vaddr;
}
/*
@@ -62,24 +42,20 @@ void *dma_common_pages_remap(struct page **pages, size_t size,
void *dma_common_contiguous_remap(struct page *page, size_t size,
pgprot_t prot, const void *caller)
{
- int i;
+ int count = size >> PAGE_SHIFT;
struct page **pages;
- struct vm_struct *area;
+ void *vaddr;
+ int i;
- pages = kmalloc(sizeof(struct page *) << get_order(size), GFP_KERNEL);
+ pages = kmalloc_array(count, sizeof(struct page *), GFP_KERNEL);
if (!pages)
return NULL;
-
- for (i = 0; i < (size >> PAGE_SHIFT); i++)
+ for (i = 0; i < count; i++)
pages[i] = nth_page(page, i);
-
- area = __dma_common_pages_remap(pages, size, prot, caller);
-
+ vaddr = vmap(pages, count, VM_DMA_COHERENT, prot);
kfree(pages);
- if (!area)
- return NULL;
- return area->addr;
+ return vaddr;
}
/*
diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c
index c2b41a263166..334d48b16c36 100644
--- a/kernel/events/callchain.c
+++ b/kernel/events/callchain.c
@@ -16,7 +16,7 @@
struct callchain_cpus_entries {
struct rcu_head rcu_head;
- struct perf_callchain_entry *cpu_entries[0];
+ struct perf_callchain_entry *cpu_entries[];
};
int sysctl_perf_event_max_stack __read_mostly = PERF_MAX_STACK_DEPTH;
@@ -236,7 +236,7 @@ exit_put:
* sysctl_perf_event_max_contexts_per_stack.
*/
int perf_event_max_stack_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *value = table->data;
int new_value = *value, ret;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index bc9b98a9af9a..2e330f330303 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -95,11 +95,11 @@ static void remote_function(void *data)
* @info: the function call argument
*
* Calls the function @func when the task is currently running. This might
- * be on the current CPU, which just calls the function directly
+ * be on the current CPU, which just calls the function directly. This will
+ * retry due to any failures in smp_call_function_single(), such as if the
+ * task_cpu() goes offline concurrently.
*
- * returns: @func return value, or
- * -ESRCH - when the process isn't running
- * -EAGAIN - when the process moved away
+ * returns @func return value or -ESRCH when the process isn't running
*/
static int
task_function_call(struct task_struct *p, remote_function_f func, void *info)
@@ -112,11 +112,16 @@ task_function_call(struct task_struct *p, remote_function_f func, void *info)
};
int ret;
- do {
- ret = smp_call_function_single(task_cpu(p), remote_function, &data, 1);
- if (!ret)
- ret = data.ret;
- } while (ret == -EAGAIN);
+ for (;;) {
+ ret = smp_call_function_single(task_cpu(p), remote_function,
+ &data, 1);
+ ret = !ret ? data.ret : -EAGAIN;
+
+ if (ret != -EAGAIN)
+ break;
+
+ cond_resched();
+ }
return ret;
}
@@ -437,8 +442,7 @@ static void update_perf_cpu_limits(void)
static bool perf_rotate_context(struct perf_cpu_context *cpuctx);
int perf_proc_update_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
int perf_cpu = sysctl_perf_cpu_time_max_percent;
@@ -462,8 +466,7 @@ int perf_proc_update_handler(struct ctl_table *table, int write,
int sysctl_perf_cpu_time_max_percent __read_mostly = DEFAULT_CPU_TIME_MAX_PERCENT;
int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
@@ -7491,10 +7494,17 @@ static void perf_event_task_output(struct perf_event *event,
goto out;
task_event->event_id.pid = perf_event_pid(event, task);
- task_event->event_id.ppid = perf_event_pid(event, current);
-
task_event->event_id.tid = perf_event_tid(event, task);
- task_event->event_id.ptid = perf_event_tid(event, current);
+
+ if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
+ task_event->event_id.ppid = perf_event_pid(event,
+ task->real_parent);
+ task_event->event_id.ptid = perf_event_pid(event,
+ task->real_parent);
+ } else { /* PERF_RECORD_FORK */
+ task_event->event_id.ppid = perf_event_pid(event, current);
+ task_event->event_id.ptid = perf_event_tid(event, current);
+ }
task_event->event_id.time = perf_event_clock(event);
@@ -9397,7 +9407,7 @@ static int perf_kprobe_event_init(struct perf_event *event)
if (event->attr.type != perf_kprobe.type)
return -ENOENT;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
/*
@@ -9457,7 +9467,7 @@ static int perf_uprobe_event_init(struct perf_event *event)
if (event->attr.type != perf_uprobe.type)
return -ENOENT;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
/*
@@ -11504,7 +11514,7 @@ SYSCALL_DEFINE5(perf_event_open,
}
if (attr.namespaces) {
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EACCES;
}
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index f16f66b6b655..fcbf5616a441 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -55,7 +55,7 @@ struct perf_buffer {
void *aux_priv;
struct perf_event_mmap_page *user_page;
- void *data_pages[0];
+ void *data_pages[];
};
extern void rb_free(struct perf_buffer *rb);
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index ece7e13f6e4a..eddc8db96027 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -162,14 +162,12 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
};
int err;
struct mmu_notifier_range range;
- struct mem_cgroup *memcg;
mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, mm, addr,
addr + PAGE_SIZE);
if (new_page) {
- err = mem_cgroup_try_charge(new_page, vma->vm_mm, GFP_KERNEL,
- &memcg, false);
+ err = mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL);
if (err)
return err;
}
@@ -179,17 +177,13 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
mmu_notifier_invalidate_range_start(&range);
err = -EAGAIN;
- if (!page_vma_mapped_walk(&pvmw)) {
- if (new_page)
- mem_cgroup_cancel_charge(new_page, memcg, false);
+ if (!page_vma_mapped_walk(&pvmw))
goto unlock;
- }
VM_BUG_ON_PAGE(addr != pvmw.address, old_page);
if (new_page) {
get_page(new_page);
page_add_new_anon_rmap(new_page, vma, addr, false);
- mem_cgroup_commit_charge(new_page, memcg, false, false);
lru_cache_add_active_or_unevictable(new_page, vma);
} else
/* no new page, just dec_mm_counter for old_page */
diff --git a/kernel/exit.c b/kernel/exit.c
index 389a88cb3081..c300253a7b8e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -219,6 +219,7 @@ repeat:
write_unlock_irq(&tasklist_lock);
proc_flush_pid(thread_pid);
+ put_pid(thread_pid);
release_thread(p);
put_task_struct_rcu_user(p);
@@ -227,8 +228,9 @@ repeat:
goto repeat;
}
-void rcuwait_wake_up(struct rcuwait *w)
+int rcuwait_wake_up(struct rcuwait *w)
{
+ int ret = 0;
struct task_struct *task;
rcu_read_lock();
@@ -236,7 +238,7 @@ void rcuwait_wake_up(struct rcuwait *w)
/*
* Order condition vs @task, such that everything prior to the load
* of @task is visible. This is the condition as to why the user called
- * rcuwait_trywake() in the first place. Pairs with set_current_state()
+ * rcuwait_wake() in the first place. Pairs with set_current_state()
* barrier (A) in rcuwait_wait_event().
*
* WAIT WAKE
@@ -248,8 +250,10 @@ void rcuwait_wake_up(struct rcuwait *w)
task = rcu_dereference(w->task);
if (task)
- wake_up_process(task);
+ ret = wake_up_process(task);
rcu_read_unlock();
+
+ return ret;
}
EXPORT_SYMBOL_GPL(rcuwait_wake_up);
@@ -707,8 +711,12 @@ void __noreturn do_exit(long code)
struct task_struct *tsk = current;
int group_dead;
- profile_task_exit(tsk);
- kcov_task_exit(tsk);
+ /*
+ * We can get here from a kernel oops, sometimes with preemption off.
+ * Start by checking for critical errors.
+ * Then fix up important state like USER_DS and preemption.
+ * Then do everything else.
+ */
WARN_ON(blk_needs_flush_plug(tsk));
@@ -726,6 +734,16 @@ void __noreturn do_exit(long code)
*/
set_fs(USER_DS);
+ if (unlikely(in_atomic())) {
+ pr_info("note: %s[%d] exited with preempt_count %d\n",
+ current->comm, task_pid_nr(current),
+ preempt_count());
+ preempt_count_set(PREEMPT_ENABLED);
+ }
+
+ profile_task_exit(tsk);
+ kcov_task_exit(tsk);
+
ptrace_event(PTRACE_EVENT_EXIT, code);
validate_creds_for_do_exit(tsk);
@@ -743,13 +761,6 @@ void __noreturn do_exit(long code)
exit_signals(tsk); /* sets PF_EXITING */
- if (unlikely(in_atomic())) {
- pr_info("note: %s[%d] exited with preempt_count %d\n",
- current->comm, task_pid_nr(current),
- preempt_count());
- preempt_count_set(PREEMPT_ENABLED);
- }
-
/* sync mm's RSS info before statistics gathering */
if (tsk->mm)
sync_mm_rss(tsk->mm);
@@ -1557,7 +1568,7 @@ SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *,
if (!infop)
return err;
- if (!user_access_begin(infop, sizeof(*infop)))
+ if (!user_write_access_begin(infop, sizeof(*infop)))
return -EFAULT;
unsafe_put_user(signo, &infop->si_signo, Efault);
@@ -1566,10 +1577,10 @@ SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *,
unsafe_put_user(info.pid, &infop->si_pid, Efault);
unsafe_put_user(info.uid, &infop->si_uid, Efault);
unsafe_put_user(info.status, &infop->si_status, Efault);
- user_access_end();
+ user_write_access_end();
return err;
Efault:
- user_access_end();
+ user_write_access_end();
return -EFAULT;
}
@@ -1684,7 +1695,7 @@ COMPAT_SYSCALL_DEFINE5(waitid,
if (!infop)
return err;
- if (!user_access_begin(infop, sizeof(*infop)))
+ if (!user_write_access_begin(infop, sizeof(*infop)))
return -EFAULT;
unsafe_put_user(signo, &infop->si_signo, Efault);
@@ -1693,10 +1704,10 @@ COMPAT_SYSCALL_DEFINE5(waitid,
unsafe_put_user(info.pid, &infop->si_pid, Efault);
unsafe_put_user(info.uid, &infop->si_uid, Efault);
unsafe_put_user(info.status, &infop->si_status, Efault);
- user_access_end();
+ user_write_access_end();
return err;
Efault:
- user_access_end();
+ user_write_access_end();
return -EFAULT;
}
#endif
diff --git a/kernel/fork.c b/kernel/fork.c
index 8c700f881d92..be98e94cb3cc 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -94,6 +94,7 @@
#include <linux/thread_info.h>
#include <linux/stackleak.h>
#include <linux/kasan.h>
+#include <linux/scs.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
@@ -456,6 +457,8 @@ void put_task_stack(struct task_struct *tsk)
void free_task(struct task_struct *tsk)
{
+ scs_release(tsk);
+
#ifndef CONFIG_THREAD_INFO_IN_TASK
/*
* The task is finally done with both the stack and thread_info,
@@ -840,6 +843,8 @@ void __init fork_init(void)
NULL, free_vm_stack_cache);
#endif
+ scs_init();
+
lockdep_init_task(&init_task);
uprobes_init();
}
@@ -899,6 +904,10 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
if (err)
goto free_stack;
+ err = scs_prepare(tsk, node);
+ if (err)
+ goto free_stack;
+
#ifdef CONFIG_SECCOMP
/*
* We must handle setting up seccomp filters once we're under
@@ -1683,6 +1692,11 @@ static inline void rcu_copy_process(struct task_struct *p)
INIT_LIST_HEAD(&p->rcu_tasks_holdout_list);
p->rcu_tasks_idle_cpu = -1;
#endif /* #ifdef CONFIG_TASKS_RCU */
+#ifdef CONFIG_TASKS_TRACE_RCU
+ p->trc_reader_nesting = 0;
+ p->trc_reader_special.s = 0;
+ INIT_LIST_HEAD(&p->trc_holdout_list);
+#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
}
struct pid *pidfd_pid(const struct file *file)
@@ -2486,11 +2500,11 @@ long do_fork(unsigned long clone_flags,
int __user *child_tidptr)
{
struct kernel_clone_args args = {
- .flags = (clone_flags & ~CSIGNAL),
+ .flags = (lower_32_bits(clone_flags) & ~CSIGNAL),
.pidfd = parent_tidptr,
.child_tid = child_tidptr,
.parent_tid = parent_tidptr,
- .exit_signal = (clone_flags & CSIGNAL),
+ .exit_signal = (lower_32_bits(clone_flags) & CSIGNAL),
.stack = stack_start,
.stack_size = stack_size,
};
@@ -2508,8 +2522,9 @@ long do_fork(unsigned long clone_flags,
pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
{
struct kernel_clone_args args = {
- .flags = ((flags | CLONE_VM | CLONE_UNTRACED) & ~CSIGNAL),
- .exit_signal = (flags & CSIGNAL),
+ .flags = ((lower_32_bits(flags) | CLONE_VM |
+ CLONE_UNTRACED) & ~CSIGNAL),
+ .exit_signal = (lower_32_bits(flags) & CSIGNAL),
.stack = (unsigned long)fn,
.stack_size = (unsigned long)arg,
};
@@ -2570,11 +2585,11 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
#endif
{
struct kernel_clone_args args = {
- .flags = (clone_flags & ~CSIGNAL),
+ .flags = (lower_32_bits(clone_flags) & ~CSIGNAL),
.pidfd = parent_tidptr,
.child_tid = child_tidptr,
.parent_tid = parent_tidptr,
- .exit_signal = (clone_flags & CSIGNAL),
+ .exit_signal = (lower_32_bits(clone_flags) & CSIGNAL),
.stack = newsp,
.tls = tls,
};
diff --git a/kernel/futex.c b/kernel/futex.c
index b59532862bc0..b4b9f960b610 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -486,10 +486,13 @@ static u64 get_inode_sequence_number(struct inode *inode)
* The key words are stored in @key on success.
*
* For shared mappings (when @fshared), the key is:
+ *
* ( inode->i_sequence, page->index, offset_within_page )
+ *
* [ also see get_inode_sequence_number() ]
*
* For private mappings (or when !@fshared), the key is:
+ *
* ( current->mm, address, 0 )
*
* This allows (cross process, where applicable) identification of the futex
diff --git a/kernel/groups.c b/kernel/groups.c
index daae2f2dc6d4..6ee6691f6839 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -20,7 +20,7 @@ struct group_info *groups_alloc(int gidsetsize)
len = sizeof(struct group_info) + sizeof(kgid_t) * gidsetsize;
gi = kmalloc(len, GFP_KERNEL_ACCOUNT|__GFP_NOWARN|__GFP_NORETRY);
if (!gi)
- gi = __vmalloc(len, GFP_KERNEL_ACCOUNT, PAGE_KERNEL);
+ gi = __vmalloc(len, GFP_KERNEL_ACCOUNT);
if (!gi)
return NULL;
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig
index 20d501af4f2e..d63c324895ea 100644
--- a/kernel/irq/Kconfig
+++ b/kernel/irq/Kconfig
@@ -72,6 +72,7 @@ config IRQ_DOMAIN
config IRQ_SIM
bool
select IRQ_WORK
+ select IRQ_DOMAIN
# Support for hierarchical irq domains
config IRQ_DOMAIN_HIERARCHY
diff --git a/kernel/irq/irq_sim.c b/kernel/irq/irq_sim.c
index b992f88c5613..48006608baf0 100644
--- a/kernel/irq/irq_sim.c
+++ b/kernel/irq/irq_sim.c
@@ -1,14 +1,31 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2017-2018 Bartosz Golaszewski <brgl@bgdev.pl>
+ * Copyright (C) 2020 Bartosz Golaszewski <bgolaszewski@baylibre.com>
*/
-#include <linux/slab.h>
-#include <linux/irq_sim.h>
#include <linux/irq.h>
+#include <linux/irq_sim.h>
+#include <linux/irq_work.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+
+struct irq_sim_work_ctx {
+ struct irq_work work;
+ int irq_base;
+ unsigned int irq_count;
+ unsigned long *pending;
+ struct irq_domain *domain;
+};
+
+struct irq_sim_irq_ctx {
+ int irqnum;
+ bool enabled;
+ struct irq_sim_work_ctx *work_ctx;
+};
struct irq_sim_devres {
- struct irq_sim *sim;
+ struct irq_domain *domain;
};
static void irq_sim_irqmask(struct irq_data *data)
@@ -36,159 +53,205 @@ static int irq_sim_set_type(struct irq_data *data, unsigned int type)
return 0;
}
+static int irq_sim_get_irqchip_state(struct irq_data *data,
+ enum irqchip_irq_state which, bool *state)
+{
+ struct irq_sim_irq_ctx *irq_ctx = irq_data_get_irq_chip_data(data);
+ irq_hw_number_t hwirq = irqd_to_hwirq(data);
+
+ switch (which) {
+ case IRQCHIP_STATE_PENDING:
+ if (irq_ctx->enabled)
+ *state = test_bit(hwirq, irq_ctx->work_ctx->pending);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int irq_sim_set_irqchip_state(struct irq_data *data,
+ enum irqchip_irq_state which, bool state)
+{
+ struct irq_sim_irq_ctx *irq_ctx = irq_data_get_irq_chip_data(data);
+ irq_hw_number_t hwirq = irqd_to_hwirq(data);
+
+ switch (which) {
+ case IRQCHIP_STATE_PENDING:
+ if (irq_ctx->enabled) {
+ assign_bit(hwirq, irq_ctx->work_ctx->pending, state);
+ if (state)
+ irq_work_queue(&irq_ctx->work_ctx->work);
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static struct irq_chip irq_sim_irqchip = {
- .name = "irq_sim",
- .irq_mask = irq_sim_irqmask,
- .irq_unmask = irq_sim_irqunmask,
- .irq_set_type = irq_sim_set_type,
+ .name = "irq_sim",
+ .irq_mask = irq_sim_irqmask,
+ .irq_unmask = irq_sim_irqunmask,
+ .irq_set_type = irq_sim_set_type,
+ .irq_get_irqchip_state = irq_sim_get_irqchip_state,
+ .irq_set_irqchip_state = irq_sim_set_irqchip_state,
};
static void irq_sim_handle_irq(struct irq_work *work)
{
struct irq_sim_work_ctx *work_ctx;
unsigned int offset = 0;
- struct irq_sim *sim;
int irqnum;
work_ctx = container_of(work, struct irq_sim_work_ctx, work);
- sim = container_of(work_ctx, struct irq_sim, work_ctx);
- while (!bitmap_empty(work_ctx->pending, sim->irq_count)) {
+ while (!bitmap_empty(work_ctx->pending, work_ctx->irq_count)) {
offset = find_next_bit(work_ctx->pending,
- sim->irq_count, offset);
+ work_ctx->irq_count, offset);
clear_bit(offset, work_ctx->pending);
- irqnum = irq_sim_irqnum(sim, offset);
+ irqnum = irq_find_mapping(work_ctx->domain, offset);
handle_simple_irq(irq_to_desc(irqnum));
}
}
+static int irq_sim_domain_map(struct irq_domain *domain,
+ unsigned int virq, irq_hw_number_t hw)
+{
+ struct irq_sim_work_ctx *work_ctx = domain->host_data;
+ struct irq_sim_irq_ctx *irq_ctx;
+
+ irq_ctx = kzalloc(sizeof(*irq_ctx), GFP_KERNEL);
+ if (!irq_ctx)
+ return -ENOMEM;
+
+ irq_set_chip(virq, &irq_sim_irqchip);
+ irq_set_chip_data(virq, irq_ctx);
+ irq_set_handler(virq, handle_simple_irq);
+ irq_modify_status(virq, IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE);
+ irq_ctx->work_ctx = work_ctx;
+
+ return 0;
+}
+
+static void irq_sim_domain_unmap(struct irq_domain *domain, unsigned int virq)
+{
+ struct irq_sim_irq_ctx *irq_ctx;
+ struct irq_data *irqd;
+
+ irqd = irq_domain_get_irq_data(domain, virq);
+ irq_ctx = irq_data_get_irq_chip_data(irqd);
+
+ irq_set_handler(virq, NULL);
+ irq_domain_reset_irq_data(irqd);
+ kfree(irq_ctx);
+}
+
+static const struct irq_domain_ops irq_sim_domain_ops = {
+ .map = irq_sim_domain_map,
+ .unmap = irq_sim_domain_unmap,
+};
+
/**
- * irq_sim_init - Initialize the interrupt simulator: allocate a range of
- * dummy interrupts.
+ * irq_domain_create_sim - Create a new interrupt simulator irq_domain and
+ * allocate a range of dummy interrupts.
*
- * @sim: The interrupt simulator object to initialize.
- * @num_irqs: Number of interrupts to allocate
+ * @fnode: struct fwnode_handle to be associated with this domain.
+ * @num_irqs: Number of interrupts to allocate.
*
- * On success: return the base of the allocated interrupt range.
- * On failure: a negative errno.
+ * On success: return a new irq_domain object.
+ * On failure: a negative errno wrapped with ERR_PTR().
*/
-int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs)
+struct irq_domain *irq_domain_create_sim(struct fwnode_handle *fwnode,
+ unsigned int num_irqs)
{
- int i;
+ struct irq_sim_work_ctx *work_ctx;
- sim->irqs = kmalloc_array(num_irqs, sizeof(*sim->irqs), GFP_KERNEL);
- if (!sim->irqs)
- return -ENOMEM;
+ work_ctx = kmalloc(sizeof(*work_ctx), GFP_KERNEL);
+ if (!work_ctx)
+ goto err_out;
- sim->irq_base = irq_alloc_descs(-1, 0, num_irqs, 0);
- if (sim->irq_base < 0) {
- kfree(sim->irqs);
- return sim->irq_base;
- }
+ work_ctx->pending = bitmap_zalloc(num_irqs, GFP_KERNEL);
+ if (!work_ctx->pending)
+ goto err_free_work_ctx;
- sim->work_ctx.pending = bitmap_zalloc(num_irqs, GFP_KERNEL);
- if (!sim->work_ctx.pending) {
- kfree(sim->irqs);
- irq_free_descs(sim->irq_base, num_irqs);
- return -ENOMEM;
- }
+ work_ctx->domain = irq_domain_create_linear(fwnode, num_irqs,
+ &irq_sim_domain_ops,
+ work_ctx);
+ if (!work_ctx->domain)
+ goto err_free_bitmap;
- for (i = 0; i < num_irqs; i++) {
- sim->irqs[i].irqnum = sim->irq_base + i;
- sim->irqs[i].enabled = false;
- irq_set_chip(sim->irq_base + i, &irq_sim_irqchip);
- irq_set_chip_data(sim->irq_base + i, &sim->irqs[i]);
- irq_set_handler(sim->irq_base + i, &handle_simple_irq);
- irq_modify_status(sim->irq_base + i,
- IRQ_NOREQUEST | IRQ_NOAUTOEN, IRQ_NOPROBE);
- }
+ work_ctx->irq_count = num_irqs;
+ init_irq_work(&work_ctx->work, irq_sim_handle_irq);
- init_irq_work(&sim->work_ctx.work, irq_sim_handle_irq);
- sim->irq_count = num_irqs;
+ return work_ctx->domain;
- return sim->irq_base;
+err_free_bitmap:
+ bitmap_free(work_ctx->pending);
+err_free_work_ctx:
+ kfree(work_ctx);
+err_out:
+ return ERR_PTR(-ENOMEM);
}
-EXPORT_SYMBOL_GPL(irq_sim_init);
+EXPORT_SYMBOL_GPL(irq_domain_create_sim);
/**
- * irq_sim_fini - Deinitialize the interrupt simulator: free the interrupt
- * descriptors and allocated memory.
+ * irq_domain_remove_sim - Deinitialize the interrupt simulator domain: free
+ * the interrupt descriptors and allocated memory.
*
- * @sim: The interrupt simulator to tear down.
+ * @domain: The interrupt simulator domain to tear down.
*/
-void irq_sim_fini(struct irq_sim *sim)
+void irq_domain_remove_sim(struct irq_domain *domain)
{
- irq_work_sync(&sim->work_ctx.work);
- bitmap_free(sim->work_ctx.pending);
- irq_free_descs(sim->irq_base, sim->irq_count);
- kfree(sim->irqs);
+ struct irq_sim_work_ctx *work_ctx = domain->host_data;
+
+ irq_work_sync(&work_ctx->work);
+ bitmap_free(work_ctx->pending);
+ kfree(work_ctx);
+
+ irq_domain_remove(domain);
}
-EXPORT_SYMBOL_GPL(irq_sim_fini);
+EXPORT_SYMBOL_GPL(irq_domain_remove_sim);
-static void devm_irq_sim_release(struct device *dev, void *res)
+static void devm_irq_domain_release_sim(struct device *dev, void *res)
{
struct irq_sim_devres *this = res;
- irq_sim_fini(this->sim);
+ irq_domain_remove_sim(this->domain);
}
/**
- * irq_sim_init - Initialize the interrupt simulator for a managed device.
+ * devm_irq_domain_create_sim - Create a new interrupt simulator for
+ * a managed device.
*
* @dev: Device to initialize the simulator object for.
- * @sim: The interrupt simulator object to initialize.
+ * @fnode: struct fwnode_handle to be associated with this domain.
* @num_irqs: Number of interrupts to allocate
*
- * On success: return the base of the allocated interrupt range.
- * On failure: a negative errno.
+ * On success: return a new irq_domain object.
+ * On failure: a negative errno wrapped with ERR_PTR().
*/
-int devm_irq_sim_init(struct device *dev, struct irq_sim *sim,
- unsigned int num_irqs)
+struct irq_domain *devm_irq_domain_create_sim(struct device *dev,
+ struct fwnode_handle *fwnode,
+ unsigned int num_irqs)
{
struct irq_sim_devres *dr;
- int rv;
- dr = devres_alloc(devm_irq_sim_release, sizeof(*dr), GFP_KERNEL);
+ dr = devres_alloc(devm_irq_domain_release_sim,
+ sizeof(*dr), GFP_KERNEL);
if (!dr)
- return -ENOMEM;
+ return ERR_PTR(-ENOMEM);
- rv = irq_sim_init(sim, num_irqs);
- if (rv < 0) {
+ dr->domain = irq_domain_create_sim(fwnode, num_irqs);
+ if (IS_ERR(dr->domain)) {
devres_free(dr);
- return rv;
+ return dr->domain;
}
- dr->sim = sim;
devres_add(dev, dr);
-
- return rv;
-}
-EXPORT_SYMBOL_GPL(devm_irq_sim_init);
-
-/**
- * irq_sim_fire - Enqueue an interrupt.
- *
- * @sim: The interrupt simulator object.
- * @offset: Offset of the simulated interrupt which should be fired.
- */
-void irq_sim_fire(struct irq_sim *sim, unsigned int offset)
-{
- if (sim->irqs[offset].enabled) {
- set_bit(offset, sim->work_ctx.pending);
- irq_work_queue(&sim->work_ctx.work);
- }
-}
-EXPORT_SYMBOL_GPL(irq_sim_fire);
-
-/**
- * irq_sim_irqnum - Get the allocated number of a dummy interrupt.
- *
- * @sim: The interrupt simulator object.
- * @offset: Offset of the simulated interrupt for which to retrieve
- * the number.
- */
-int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset)
-{
- return sim->irqs[offset].irqnum;
+ return dr->domain;
}
-EXPORT_SYMBOL_GPL(irq_sim_irqnum);
+EXPORT_SYMBOL_GPL(devm_irq_domain_create_sim);
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 35b8d97c3a1d..a4c2c915511d 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -132,14 +132,13 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
const struct irq_domain_ops *ops,
void *host_data)
{
- struct device_node *of_node = to_of_node(fwnode);
struct irqchip_fwid *fwid;
struct irq_domain *domain;
static atomic_t unknown_domains;
domain = kzalloc_node(sizeof(*domain) + (sizeof(unsigned int) * size),
- GFP_KERNEL, of_node_to_nid(of_node));
+ GFP_KERNEL, of_node_to_nid(to_of_node(fwnode)));
if (!domain)
return NULL;
@@ -162,30 +161,16 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
domain->name = fwid->name;
break;
}
-#ifdef CONFIG_ACPI
- } else if (is_acpi_device_node(fwnode)) {
- struct acpi_buffer buf = {
- .length = ACPI_ALLOCATE_BUFFER,
- };
- acpi_handle handle;
-
- handle = acpi_device_handle(to_acpi_device_node(fwnode));
- if (acpi_get_name(handle, ACPI_FULL_PATHNAME, &buf) == AE_OK) {
- domain->name = buf.pointer;
- domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED;
- }
-
- domain->fwnode = fwnode;
-#endif
- } else if (of_node) {
+ } else if (is_of_node(fwnode) || is_acpi_device_node(fwnode) ||
+ is_software_node(fwnode)) {
char *name;
/*
- * DT paths contain '/', which debugfs is legitimately
+ * fwnode paths contain '/', which debugfs is legitimately
* unhappy about. Replace them with ':', which does
* the trick and is not as offensive as '\'...
*/
- name = kasprintf(GFP_KERNEL, "%pOF", of_node);
+ name = kasprintf(GFP_KERNEL, "%pfw", fwnode);
if (!name) {
kfree(domain);
return NULL;
@@ -210,7 +195,7 @@ struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size,
domain->flags |= IRQ_DOMAIN_NAME_ALLOCATED;
}
- of_node_get(of_node);
+ fwnode_handle_get(fwnode);
/* Fill structure */
INIT_RADIX_TREE(&domain->revmap_tree, GFP_KERNEL);
@@ -259,7 +244,7 @@ void irq_domain_remove(struct irq_domain *domain)
pr_debug("Removed domain %s\n", domain->name);
- of_node_put(irq_domain_get_of_node(domain));
+ fwnode_handle_put(domain->fwnode);
if (domain->flags & IRQ_DOMAIN_NAME_ALLOCATED)
kfree(domain->name);
kfree(domain);
@@ -1047,6 +1032,18 @@ int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq,
return virq;
}
+/**
+ * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
+ * @irq_data: The pointer to irq_data
+ */
+void irq_domain_reset_irq_data(struct irq_data *irq_data)
+{
+ irq_data->hwirq = 0;
+ irq_data->chip = &no_irq_chip;
+ irq_data->chip_data = NULL;
+}
+EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data);
+
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
/**
* irq_domain_create_hierarchy - Add a irqdomain into the hierarchy
@@ -1248,18 +1245,6 @@ void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
EXPORT_SYMBOL(irq_domain_set_info);
/**
- * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
- * @irq_data: The pointer to irq_data
- */
-void irq_domain_reset_irq_data(struct irq_data *irq_data)
-{
- irq_data->hwirq = 0;
- irq_data->chip = &no_irq_chip;
- irq_data->chip_data = NULL;
-}
-EXPORT_SYMBOL_GPL(irq_domain_reset_irq_data);
-
-/**
* irq_domain_free_irqs_common - Clear irq_data and free the parent
* @domain: Interrupt domain to match
* @virq: IRQ number to start with
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 453a8a0f4804..761911168438 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2619,6 +2619,8 @@ int __irq_get_irqchip_state(struct irq_data *data, enum irqchip_irq_state which,
do {
chip = irq_data_get_irq_chip(data);
+ if (WARN_ON_ONCE(!chip))
+ return -ENODEV;
if (chip->irq_get_irqchip_state)
break;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
@@ -2696,6 +2698,8 @@ int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which,
do {
chip = irq_data_get_irq_chip(data);
+ if (WARN_ON_ONCE(!chip))
+ return -ENODEV;
if (chip->irq_set_irqchip_state)
break;
#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 48b5d1b6af4d..eca83965b631 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -31,7 +31,7 @@ static bool irq_work_claim(struct irq_work *work)
{
int oflags;
- oflags = atomic_fetch_or(IRQ_WORK_CLAIMED, &work->flags);
+ oflags = atomic_fetch_or(IRQ_WORK_CLAIMED | CSD_TYPE_IRQ_WORK, &work->flags);
/*
* If the work is already pending, no need to raise the IPI.
* The pairing atomic_fetch_andnot() in irq_work_run() makes sure
@@ -102,8 +102,7 @@ bool irq_work_queue_on(struct irq_work *work, int cpu)
if (cpu != smp_processor_id()) {
/* Arch remote IPI send/receive backend aren't NMI safe */
WARN_ON_ONCE(in_nmi());
- if (llist_add(&work->llnode, &per_cpu(raised_list, cpu)))
- arch_send_call_function_single_ipi(cpu);
+ __smp_call_single_queue(cpu, &work->llnode);
} else {
__irq_work_queue_local(work);
}
@@ -131,6 +130,31 @@ bool irq_work_needs_cpu(void)
return true;
}
+void irq_work_single(void *arg)
+{
+ struct irq_work *work = arg;
+ int flags;
+
+ /*
+ * Clear the PENDING bit, after this point the @work
+ * can be re-used.
+ * Make it immediately visible so that other CPUs trying
+ * to claim that work don't rely on us to handle their data
+ * while we are in the middle of the func.
+ */
+ flags = atomic_fetch_andnot(IRQ_WORK_PENDING, &work->flags);
+
+ lockdep_irq_work_enter(work);
+ work->func(work);
+ lockdep_irq_work_exit(work);
+ /*
+ * Clear the BUSY bit and return to the free state if
+ * no-one else claimed it meanwhile.
+ */
+ flags &= ~IRQ_WORK_PENDING;
+ (void)atomic_cmpxchg(&work->flags, flags, flags & ~IRQ_WORK_BUSY);
+}
+
static void irq_work_run_list(struct llist_head *list)
{
struct irq_work *work, *tmp;
@@ -142,27 +166,8 @@ static void irq_work_run_list(struct llist_head *list)
return;
llnode = llist_del_all(list);
- llist_for_each_entry_safe(work, tmp, llnode, llnode) {
- int flags;
- /*
- * Clear the PENDING bit, after this point the @work
- * can be re-used.
- * Make it immediately visible so that other CPUs trying
- * to claim that work don't rely on us to handle their data
- * while we are in the middle of the func.
- */
- flags = atomic_fetch_andnot(IRQ_WORK_PENDING, &work->flags);
-
- lockdep_irq_work_enter(work);
- work->func(work);
- lockdep_irq_work_exit(work);
- /*
- * Clear the BUSY bit and return to the free state if
- * no-one else claimed it meanwhile.
- */
- flags &= ~IRQ_WORK_PENDING;
- (void)atomic_cmpxchg(&work->flags, flags, flags & ~IRQ_WORK_BUSY);
- }
+ llist_for_each_entry_safe(work, tmp, llnode, llnode)
+ irq_work_single(work);
}
/*
diff --git a/kernel/kcov.c b/kernel/kcov.c
index f50354202dbe..8accc9722a81 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -740,8 +740,8 @@ static const struct file_operations kcov_fops = {
* kcov_remote_handle() with KCOV_SUBSYSTEM_COMMON as the subsystem id and an
* arbitrary 4-byte non-zero number as the instance id). This common handle
* then gets saved into the task_struct of the process that issued the
- * KCOV_REMOTE_ENABLE ioctl. When this proccess issues system calls that spawn
- * kernel threads, the common handle must be retrived via kcov_common_handle()
+ * KCOV_REMOTE_ENABLE ioctl. When this process issues system calls that spawn
+ * kernel threads, the common handle must be retrieved via kcov_common_handle()
* and passed to the spawned threads via custom annotations. Those kernel
* threads must in turn be annotated with kcov_remote_start(common_handle) and
* kcov_remote_stop(). All of the threads that are spawned by the same process
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 2625c241ac00..0fbdee78266b 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -892,7 +892,7 @@ static void unoptimize_all_kprobes(void)
static DEFINE_MUTEX(kprobe_sysctl_mutex);
int sysctl_kprobes_optimization;
int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length,
+ void *buffer, size_t *length,
loff_t *ppos)
{
int ret;
@@ -2179,6 +2179,24 @@ int kprobe_add_area_blacklist(unsigned long start, unsigned long end)
return 0;
}
+/* Remove all symbols in given area from kprobe blacklist */
+static void kprobe_remove_area_blacklist(unsigned long start, unsigned long end)
+{
+ struct kprobe_blacklist_entry *ent, *n;
+
+ list_for_each_entry_safe(ent, n, &kprobe_blacklist, list) {
+ if (ent->start_addr < start || ent->start_addr >= end)
+ continue;
+ list_del(&ent->list);
+ kfree(ent);
+ }
+}
+
+static void kprobe_remove_ksym_blacklist(unsigned long entry)
+{
+ kprobe_remove_area_blacklist(entry, entry + 1);
+}
+
int __init __weak arch_populate_kprobe_blacklist(void)
{
return 0;
@@ -2211,10 +2229,62 @@ static int __init populate_kprobe_blacklist(unsigned long *start,
/* Symbols in __kprobes_text are blacklisted */
ret = kprobe_add_area_blacklist((unsigned long)__kprobes_text_start,
(unsigned long)__kprobes_text_end);
+ if (ret)
+ return ret;
+
+ /* Symbols in noinstr section are blacklisted */
+ ret = kprobe_add_area_blacklist((unsigned long)__noinstr_text_start,
+ (unsigned long)__noinstr_text_end);
return ret ? : arch_populate_kprobe_blacklist();
}
+static void add_module_kprobe_blacklist(struct module *mod)
+{
+ unsigned long start, end;
+ int i;
+
+ if (mod->kprobe_blacklist) {
+ for (i = 0; i < mod->num_kprobe_blacklist; i++)
+ kprobe_add_ksym_blacklist(mod->kprobe_blacklist[i]);
+ }
+
+ start = (unsigned long)mod->kprobes_text_start;
+ if (start) {
+ end = start + mod->kprobes_text_size;
+ kprobe_add_area_blacklist(start, end);
+ }
+
+ start = (unsigned long)mod->noinstr_text_start;
+ if (start) {
+ end = start + mod->noinstr_text_size;
+ kprobe_add_area_blacklist(start, end);
+ }
+}
+
+static void remove_module_kprobe_blacklist(struct module *mod)
+{
+ unsigned long start, end;
+ int i;
+
+ if (mod->kprobe_blacklist) {
+ for (i = 0; i < mod->num_kprobe_blacklist; i++)
+ kprobe_remove_ksym_blacklist(mod->kprobe_blacklist[i]);
+ }
+
+ start = (unsigned long)mod->kprobes_text_start;
+ if (start) {
+ end = start + mod->kprobes_text_size;
+ kprobe_remove_area_blacklist(start, end);
+ }
+
+ start = (unsigned long)mod->noinstr_text_start;
+ if (start) {
+ end = start + mod->noinstr_text_size;
+ kprobe_remove_area_blacklist(start, end);
+ }
+}
+
/* Module notifier call back, checking kprobes on the module */
static int kprobes_module_callback(struct notifier_block *nb,
unsigned long val, void *data)
@@ -2225,6 +2295,11 @@ static int kprobes_module_callback(struct notifier_block *nb,
unsigned int i;
int checkcore = (val == MODULE_STATE_GOING);
+ if (val == MODULE_STATE_COMING) {
+ mutex_lock(&kprobe_mutex);
+ add_module_kprobe_blacklist(mod);
+ mutex_unlock(&kprobe_mutex);
+ }
if (val != MODULE_STATE_GOING && val != MODULE_STATE_LIVE)
return NOTIFY_DONE;
@@ -2255,6 +2330,8 @@ static int kprobes_module_callback(struct notifier_block *nb,
kill_kprobe(p);
}
}
+ if (val == MODULE_STATE_GOING)
+ remove_module_kprobe_blacklist(mod);
mutex_unlock(&kprobe_mutex);
return NOTIFY_DONE;
}
@@ -2420,6 +2497,7 @@ static const struct file_operations debugfs_kprobes_operations = {
/* kprobes/blacklist -- shows which functions can not be probed */
static void *kprobe_blacklist_seq_start(struct seq_file *m, loff_t *pos)
{
+ mutex_lock(&kprobe_mutex);
return seq_list_start(&kprobe_blacklist, *pos);
}
@@ -2446,10 +2524,15 @@ static int kprobe_blacklist_seq_show(struct seq_file *m, void *v)
return 0;
}
+static void kprobe_blacklist_seq_stop(struct seq_file *f, void *v)
+{
+ mutex_unlock(&kprobe_mutex);
+}
+
static const struct seq_operations kprobe_blacklist_seq_ops = {
.start = kprobe_blacklist_seq_start,
.next = kprobe_blacklist_seq_next,
- .stop = kprobe_seq_stop, /* Reuse void function */
+ .stop = kprobe_blacklist_seq_stop,
.show = kprobe_blacklist_seq_show,
};
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 8d1c15832e55..166d7bf49666 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -269,8 +269,8 @@ static int __init init_lstats_procfs(void)
return 0;
}
-int sysctl_latencytop(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+int sysctl_latencytop(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int err;
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index ac10db66cc63..4c057dd8e93b 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -393,25 +393,6 @@ void lockdep_init_task(struct task_struct *task)
task->lockdep_recursion = 0;
}
-/*
- * Split the recrursion counter in two to readily detect 'off' vs recursion.
- */
-#define LOCKDEP_RECURSION_BITS 16
-#define LOCKDEP_OFF (1U << LOCKDEP_RECURSION_BITS)
-#define LOCKDEP_RECURSION_MASK (LOCKDEP_OFF - 1)
-
-void lockdep_off(void)
-{
- current->lockdep_recursion += LOCKDEP_OFF;
-}
-EXPORT_SYMBOL(lockdep_off);
-
-void lockdep_on(void)
-{
- current->lockdep_recursion -= LOCKDEP_OFF;
-}
-EXPORT_SYMBOL(lockdep_on);
-
static inline void lockdep_recursion_finish(void)
{
if (WARN_ON_ONCE(--current->lockdep_recursion))
@@ -489,7 +470,7 @@ struct lock_trace {
struct hlist_node hash_entry;
u32 hash;
u32 nr_entries;
- unsigned long entries[0] __aligned(sizeof(unsigned long));
+ unsigned long entries[] __aligned(sizeof(unsigned long));
};
#define LOCK_TRACE_SIZE_IN_LONGS \
(sizeof(struct lock_trace) / sizeof(unsigned long))
@@ -3635,13 +3616,10 @@ mark_held_locks(struct task_struct *curr, enum lock_usage_bit base_bit)
/*
* Hardirqs will be enabled:
*/
-static void __trace_hardirqs_on_caller(unsigned long ip)
+static void __trace_hardirqs_on_caller(void)
{
struct task_struct *curr = current;
- /* we'll do an OFF -> ON transition: */
- curr->hardirqs_enabled = 1;
-
/*
* We are going to turn hardirqs on, so set the
* usage bit for all held locks:
@@ -3654,15 +3632,19 @@ static void __trace_hardirqs_on_caller(unsigned long ip)
* this bit from being set before)
*/
if (curr->softirqs_enabled)
- if (!mark_held_locks(curr, LOCK_ENABLED_SOFTIRQ))
- return;
-
- curr->hardirq_enable_ip = ip;
- curr->hardirq_enable_event = ++curr->irq_events;
- debug_atomic_inc(hardirqs_on_events);
+ mark_held_locks(curr, LOCK_ENABLED_SOFTIRQ);
}
-void lockdep_hardirqs_on(unsigned long ip)
+/**
+ * lockdep_hardirqs_on_prepare - Prepare for enabling interrupts
+ * @ip: Caller address
+ *
+ * Invoked before a possible transition to RCU idle from exit to user or
+ * guest mode. This ensures that all RCU operations are done before RCU
+ * stops watching. After the RCU transition lockdep_hardirqs_on() has to be
+ * invoked to set the final state.
+ */
+void lockdep_hardirqs_on_prepare(unsigned long ip)
{
if (unlikely(!debug_locks || current->lockdep_recursion))
return;
@@ -3698,20 +3680,62 @@ void lockdep_hardirqs_on(unsigned long ip)
if (DEBUG_LOCKS_WARN_ON(current->hardirq_context))
return;
+ current->hardirq_chain_key = current->curr_chain_key;
+
current->lockdep_recursion++;
- __trace_hardirqs_on_caller(ip);
+ __trace_hardirqs_on_caller();
lockdep_recursion_finish();
}
-NOKPROBE_SYMBOL(lockdep_hardirqs_on);
+EXPORT_SYMBOL_GPL(lockdep_hardirqs_on_prepare);
+
+void noinstr lockdep_hardirqs_on(unsigned long ip)
+{
+ struct task_struct *curr = current;
+
+ if (unlikely(!debug_locks || curr->lockdep_recursion))
+ return;
+
+ if (curr->hardirqs_enabled) {
+ /*
+ * Neither irq nor preemption are disabled here
+ * so this is racy by nature but losing one hit
+ * in a stat is not a big deal.
+ */
+ __debug_atomic_inc(redundant_hardirqs_on);
+ return;
+ }
+
+ /*
+ * We're enabling irqs and according to our state above irqs weren't
+ * already enabled, yet we find the hardware thinks they are in fact
+ * enabled.. someone messed up their IRQ state tracing.
+ */
+ if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
+ return;
+
+ /*
+ * Ensure the lock stack remained unchanged between
+ * lockdep_hardirqs_on_prepare() and lockdep_hardirqs_on().
+ */
+ DEBUG_LOCKS_WARN_ON(current->hardirq_chain_key !=
+ current->curr_chain_key);
+
+ /* we'll do an OFF -> ON transition: */
+ curr->hardirqs_enabled = 1;
+ curr->hardirq_enable_ip = ip;
+ curr->hardirq_enable_event = ++curr->irq_events;
+ debug_atomic_inc(hardirqs_on_events);
+}
+EXPORT_SYMBOL_GPL(lockdep_hardirqs_on);
/*
* Hardirqs were disabled:
*/
-void lockdep_hardirqs_off(unsigned long ip)
+void noinstr lockdep_hardirqs_off(unsigned long ip)
{
struct task_struct *curr = current;
- if (unlikely(!debug_locks || current->lockdep_recursion))
+ if (unlikely(!debug_locks || curr->lockdep_recursion))
return;
/*
@@ -3729,10 +3753,11 @@ void lockdep_hardirqs_off(unsigned long ip)
curr->hardirq_disable_ip = ip;
curr->hardirq_disable_event = ++curr->irq_events;
debug_atomic_inc(hardirqs_off_events);
- } else
+ } else {
debug_atomic_inc(redundant_hardirqs_off);
+ }
}
-NOKPROBE_SYMBOL(lockdep_hardirqs_off);
+EXPORT_SYMBOL_GPL(lockdep_hardirqs_off);
/*
* Softirqs will be enabled:
@@ -4408,8 +4433,8 @@ static void print_unlock_imbalance_bug(struct task_struct *curr,
dump_stack();
}
-static int match_held_lock(const struct held_lock *hlock,
- const struct lockdep_map *lock)
+static noinstr int match_held_lock(const struct held_lock *hlock,
+ const struct lockdep_map *lock)
{
if (hlock->instance == lock)
return 1;
@@ -4696,7 +4721,7 @@ __lock_release(struct lockdep_map *lock, unsigned long ip)
return 0;
}
-static nokprobe_inline
+static __always_inline
int __lock_is_held(const struct lockdep_map *lock, int read)
{
struct task_struct *curr = current;
@@ -4956,7 +4981,7 @@ void lock_release(struct lockdep_map *lock, unsigned long ip)
}
EXPORT_SYMBOL_GPL(lock_release);
-int lock_is_held_type(const struct lockdep_map *lock, int read)
+noinstr int lock_is_held_type(const struct lockdep_map *lock, int read)
{
unsigned long flags;
int ret = 0;
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index c9f090d64f00..cfdd5b93264d 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -141,7 +141,6 @@ static void fixup_rt_mutex_waiters(struct rt_mutex *lock)
* set up.
*/
#ifndef CONFIG_DEBUG_RT_MUTEXES
-# define rt_mutex_cmpxchg_relaxed(l,c,n) (cmpxchg_relaxed(&l->owner, c, n) == c)
# define rt_mutex_cmpxchg_acquire(l,c,n) (cmpxchg_acquire(&l->owner, c, n) == c)
# define rt_mutex_cmpxchg_release(l,c,n) (cmpxchg_release(&l->owner, c, n) == c)
@@ -202,7 +201,6 @@ static inline bool unlock_rt_mutex_safe(struct rt_mutex *lock,
}
#else
-# define rt_mutex_cmpxchg_relaxed(l,c,n) (0)
# define rt_mutex_cmpxchg_acquire(l,c,n) (0)
# define rt_mutex_cmpxchg_release(l,c,n) (0)
diff --git a/kernel/module.c b/kernel/module.c
index 646f1e2330d2..be5413903d20 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -4,6 +4,9 @@
Copyright (C) 2001 Rusty Russell, 2002, 2010 Rusty Russell IBM.
*/
+
+#define INCLUDE_VERMAGIC
+
#include <linux/export.h>
#include <linux/extable.h>
#include <linux/moduleloader.h>
@@ -2400,7 +2403,7 @@ static void layout_sections(struct module *mod, struct load_info *info)
if ((s->sh_flags & masks[m][0]) != masks[m][0]
|| (s->sh_flags & masks[m][1])
|| s->sh_entsize != ~0UL
- || strstarts(sname, ".init"))
+ || module_init_section(sname))
continue;
s->sh_entsize = get_offset(mod, &mod->core_layout.size, s, i);
pr_debug("\t%s\n", sname);
@@ -2433,7 +2436,7 @@ static void layout_sections(struct module *mod, struct load_info *info)
if ((s->sh_flags & masks[m][0]) != masks[m][0]
|| (s->sh_flags & masks[m][1])
|| s->sh_entsize != ~0UL
- || !strstarts(sname, ".init"))
+ || !module_init_section(sname))
continue;
s->sh_entsize = (get_offset(mod, &mod->init_layout.size, s, i)
| INIT_OFFSET_MASK);
@@ -2768,6 +2771,11 @@ void * __weak module_alloc(unsigned long size)
return vmalloc_exec(size);
}
+bool __weak module_init_section(const char *name)
+{
+ return strstarts(name, ".init");
+}
+
bool __weak module_exit_section(const char *name)
{
return strstarts(name, ".exit");
@@ -2946,8 +2954,7 @@ static int copy_module_from_user(const void __user *umod, unsigned long len,
return err;
/* Suck in entire file: we'll want most of it. */
- info->hdr = __vmalloc(info->len,
- GFP_KERNEL | __GFP_NOWARN, PAGE_KERNEL);
+ info->hdr = __vmalloc(info->len, GFP_KERNEL | __GFP_NOWARN);
if (!info->hdr)
return -ENOMEM;
@@ -3150,6 +3157,9 @@ static int find_module_sections(struct module *mod, struct load_info *info)
}
#endif
+ mod->noinstr_text_start = section_objs(info, ".noinstr.text", 1,
+ &mod->noinstr_text_size);
+
#ifdef CONFIG_TRACEPOINTS
mod->tracepoints_ptrs = section_objs(info, "__tracepoints_ptrs",
sizeof(*mod->tracepoints_ptrs),
@@ -3194,6 +3204,13 @@ static int find_module_sections(struct module *mod, struct load_info *info)
sizeof(*mod->ei_funcs),
&mod->num_ei_funcs);
#endif
+#ifdef CONFIG_KPROBES
+ mod->kprobes_text_start = section_objs(info, ".kprobes.text", 1,
+ &mod->kprobes_text_size);
+ mod->kprobe_blacklist = section_objs(info, "_kprobe_blacklist",
+ sizeof(unsigned long),
+ &mod->num_kprobe_blacklist);
+#endif
mod->extable = section_objs(info, "__ex_table",
sizeof(*mod->extable), &mod->num_exentries);
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 5989bbb93039..84c987dfbe03 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -519,7 +519,6 @@ NOKPROBE_SYMBOL(notify_die);
int register_die_notifier(struct notifier_block *nb)
{
- vmalloc_sync_mappings();
return atomic_notifier_chain_register(&die_chain, nb);
}
EXPORT_SYMBOL_GPL(register_die_notifier);
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index ed9882108cd2..b03df67621d0 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -19,6 +19,8 @@
#include <net/net_namespace.h>
#include <linux/ipc_namespace.h>
#include <linux/time_namespace.h>
+#include <linux/fs_struct.h>
+#include <linux/proc_fs.h>
#include <linux/proc_ns.h>
#include <linux/file.h>
#include <linux/syscalls.h>
@@ -257,37 +259,296 @@ void exit_task_namespaces(struct task_struct *p)
switch_task_namespaces(p, NULL);
}
-SYSCALL_DEFINE2(setns, int, fd, int, nstype)
+static int check_setns_flags(unsigned long flags)
{
- struct task_struct *tsk = current;
- struct nsproxy *new_nsproxy;
- struct file *file;
- struct ns_common *ns;
- int err;
+ if (!flags || (flags & ~(CLONE_NEWNS | CLONE_NEWUTS | CLONE_NEWIPC |
+ CLONE_NEWNET | CLONE_NEWUSER | CLONE_NEWPID |
+ CLONE_NEWCGROUP)))
+ return -EINVAL;
- file = proc_ns_fget(fd);
- if (IS_ERR(file))
- return PTR_ERR(file);
+#ifndef CONFIG_USER_NS
+ if (flags & CLONE_NEWUSER)
+ return -EINVAL;
+#endif
+#ifndef CONFIG_PID_NS
+ if (flags & CLONE_NEWPID)
+ return -EINVAL;
+#endif
+#ifndef CONFIG_UTS_NS
+ if (flags & CLONE_NEWUTS)
+ return -EINVAL;
+#endif
+#ifndef CONFIG_IPC_NS
+ if (flags & CLONE_NEWIPC)
+ return -EINVAL;
+#endif
+#ifndef CONFIG_CGROUPS
+ if (flags & CLONE_NEWCGROUP)
+ return -EINVAL;
+#endif
+#ifndef CONFIG_NET_NS
+ if (flags & CLONE_NEWNET)
+ return -EINVAL;
+#endif
- err = -EINVAL;
- ns = get_proc_ns(file_inode(file));
- if (nstype && (ns->ops->type != nstype))
- goto out;
+ return 0;
+}
+
+static void put_nsset(struct nsset *nsset)
+{
+ unsigned flags = nsset->flags;
+
+ if (flags & CLONE_NEWUSER)
+ put_cred(nsset_cred(nsset));
+ /*
+ * We only created a temporary copy if we attached to more than just
+ * the mount namespace.
+ */
+ if (nsset->fs && (flags & CLONE_NEWNS) && (flags & ~CLONE_NEWNS))
+ free_fs_struct(nsset->fs);
+ if (nsset->nsproxy)
+ free_nsproxy(nsset->nsproxy);
+}
+
+static int prepare_nsset(unsigned flags, struct nsset *nsset)
+{
+ struct task_struct *me = current;
+
+ nsset->nsproxy = create_new_namespaces(0, me, current_user_ns(), me->fs);
+ if (IS_ERR(nsset->nsproxy))
+ return PTR_ERR(nsset->nsproxy);
- new_nsproxy = create_new_namespaces(0, tsk, current_user_ns(), tsk->fs);
- if (IS_ERR(new_nsproxy)) {
- err = PTR_ERR(new_nsproxy);
+ if (flags & CLONE_NEWUSER)
+ nsset->cred = prepare_creds();
+ else
+ nsset->cred = current_cred();
+ if (!nsset->cred)
goto out;
+
+ /* Only create a temporary copy of fs_struct if we really need to. */
+ if (flags == CLONE_NEWNS) {
+ nsset->fs = me->fs;
+ } else if (flags & CLONE_NEWNS) {
+ nsset->fs = copy_fs_struct(me->fs);
+ if (!nsset->fs)
+ goto out;
}
- err = ns->ops->install(new_nsproxy, ns);
- if (err) {
- free_nsproxy(new_nsproxy);
- goto out;
+ nsset->flags = flags;
+ return 0;
+
+out:
+ put_nsset(nsset);
+ return -ENOMEM;
+}
+
+static inline int validate_ns(struct nsset *nsset, struct ns_common *ns)
+{
+ return ns->ops->install(nsset, ns);
+}
+
+/*
+ * This is the inverse operation to unshare().
+ * Ordering is equivalent to the standard ordering used everywhere else
+ * during unshare and process creation. The switch to the new set of
+ * namespaces occurs at the point of no return after installation of
+ * all requested namespaces was successful in commit_nsset().
+ */
+static int validate_nsset(struct nsset *nsset, struct pid *pid)
+{
+ int ret = 0;
+ unsigned flags = nsset->flags;
+ struct user_namespace *user_ns = NULL;
+ struct pid_namespace *pid_ns = NULL;
+ struct nsproxy *nsp;
+ struct task_struct *tsk;
+
+ /* Take a "snapshot" of the target task's namespaces. */
+ rcu_read_lock();
+ tsk = pid_task(pid, PIDTYPE_PID);
+ if (!tsk) {
+ rcu_read_unlock();
+ return -ESRCH;
+ }
+
+ if (!ptrace_may_access(tsk, PTRACE_MODE_READ_REALCREDS)) {
+ rcu_read_unlock();
+ return -EPERM;
+ }
+
+ task_lock(tsk);
+ nsp = tsk->nsproxy;
+ if (nsp)
+ get_nsproxy(nsp);
+ task_unlock(tsk);
+ if (!nsp) {
+ rcu_read_unlock();
+ return -ESRCH;
+ }
+
+#ifdef CONFIG_PID_NS
+ if (flags & CLONE_NEWPID) {
+ pid_ns = task_active_pid_ns(tsk);
+ if (unlikely(!pid_ns)) {
+ rcu_read_unlock();
+ ret = -ESRCH;
+ goto out;
+ }
+ get_pid_ns(pid_ns);
+ }
+#endif
+
+#ifdef CONFIG_USER_NS
+ if (flags & CLONE_NEWUSER)
+ user_ns = get_user_ns(__task_cred(tsk)->user_ns);
+#endif
+ rcu_read_unlock();
+
+ /*
+ * Install requested namespaces. The caller will have
+ * verified earlier that the requested namespaces are
+ * supported on this kernel. We don't report errors here
+ * if a namespace is requested that isn't supported.
+ */
+#ifdef CONFIG_USER_NS
+ if (flags & CLONE_NEWUSER) {
+ ret = validate_ns(nsset, &user_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+ if (flags & CLONE_NEWNS) {
+ ret = validate_ns(nsset, from_mnt_ns(nsp->mnt_ns));
+ if (ret)
+ goto out;
+ }
+
+#ifdef CONFIG_UTS_NS
+ if (flags & CLONE_NEWUTS) {
+ ret = validate_ns(nsset, &nsp->uts_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+#ifdef CONFIG_IPC_NS
+ if (flags & CLONE_NEWIPC) {
+ ret = validate_ns(nsset, &nsp->ipc_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+#ifdef CONFIG_PID_NS
+ if (flags & CLONE_NEWPID) {
+ ret = validate_ns(nsset, &pid_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+#ifdef CONFIG_CGROUPS
+ if (flags & CLONE_NEWCGROUP) {
+ ret = validate_ns(nsset, &nsp->cgroup_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+#ifdef CONFIG_NET_NS
+ if (flags & CLONE_NEWNET) {
+ ret = validate_ns(nsset, &nsp->net_ns->ns);
+ if (ret)
+ goto out;
+ }
+#endif
+
+out:
+ if (pid_ns)
+ put_pid_ns(pid_ns);
+ if (nsp)
+ put_nsproxy(nsp);
+ put_user_ns(user_ns);
+
+ return ret;
+}
+
+/*
+ * This is the point of no return. There are just a few namespaces
+ * that do some actual work here and it's sufficiently minimal that
+ * a separate ns_common operation seems unnecessary for now.
+ * Unshare is doing the same thing. If we'll end up needing to do
+ * more in a given namespace or a helper here is ultimately not
+ * exported anymore a simple commit handler for each namespace
+ * should be added to ns_common.
+ */
+static void commit_nsset(struct nsset *nsset)
+{
+ unsigned flags = nsset->flags;
+ struct task_struct *me = current;
+
+#ifdef CONFIG_USER_NS
+ if (flags & CLONE_NEWUSER) {
+ /* transfer ownership */
+ commit_creds(nsset_cred(nsset));
+ nsset->cred = NULL;
+ }
+#endif
+
+ /* We only need to commit if we have used a temporary fs_struct. */
+ if ((flags & CLONE_NEWNS) && (flags & ~CLONE_NEWNS)) {
+ set_fs_root(me->fs, &nsset->fs->root);
+ set_fs_pwd(me->fs, &nsset->fs->pwd);
}
- switch_task_namespaces(tsk, new_nsproxy);
- perf_event_namespaces(tsk);
+#ifdef CONFIG_IPC_NS
+ if (flags & CLONE_NEWIPC)
+ exit_sem(me);
+#endif
+
+ /* transfer ownership */
+ switch_task_namespaces(me, nsset->nsproxy);
+ nsset->nsproxy = NULL;
+}
+
+SYSCALL_DEFINE2(setns, int, fd, int, flags)
+{
+ struct file *file;
+ struct ns_common *ns = NULL;
+ struct nsset nsset = {};
+ int err = 0;
+
+ file = fget(fd);
+ if (!file)
+ return -EBADF;
+
+ if (proc_ns_file(file)) {
+ ns = get_proc_ns(file_inode(file));
+ if (flags && (ns->ops->type != flags))
+ err = -EINVAL;
+ flags = ns->ops->type;
+ } else if (!IS_ERR(pidfd_pid(file))) {
+ err = check_setns_flags(flags);
+ } else {
+ err = -EBADF;
+ }
+ if (err)
+ goto out;
+
+ err = prepare_nsset(flags, &nsset);
+ if (err)
+ goto out;
+
+ if (proc_ns_file(file))
+ err = validate_ns(&nsset, ns);
+ else
+ err = validate_nsset(&nsset, file->private_data);
+ if (!err) {
+ commit_nsset(&nsset);
+ perf_event_namespaces(current);
+ }
+ put_nsset(&nsset);
out:
fput(file);
return err;
diff --git a/kernel/padata.c b/kernel/padata.c
index a6afa12fb75e..29fc5d87a4cd 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -7,6 +7,9 @@
* Copyright (C) 2008, 2009 secunet Security Networks AG
* Copyright (C) 2008, 2009 Steffen Klassert <steffen.klassert@secunet.com>
*
+ * Copyright (c) 2020 Oracle and/or its affiliates.
+ * Author: Daniel Jordan <daniel.m.jordan@oracle.com>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
@@ -21,6 +24,7 @@
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <linux/completion.h>
#include <linux/export.h>
#include <linux/cpumask.h>
#include <linux/err.h>
@@ -31,11 +35,30 @@
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/rcupdate.h>
-#include <linux/module.h>
-#define MAX_OBJ_NUM 1000
+#define PADATA_WORK_ONSTACK 1 /* Work's memory is on stack */
+
+struct padata_work {
+ struct work_struct pw_work;
+ struct list_head pw_list; /* padata_free_works linkage */
+ void *pw_data;
+};
+
+static DEFINE_SPINLOCK(padata_works_lock);
+static struct padata_work *padata_works;
+static LIST_HEAD(padata_free_works);
+
+struct padata_mt_job_state {
+ spinlock_t lock;
+ struct completion completion;
+ struct padata_mt_job *job;
+ int nworks;
+ int nworks_fini;
+ unsigned long chunk_size;
+};
static void padata_free_pd(struct parallel_data *pd);
+static void __init padata_mt_helper(struct work_struct *work);
static int padata_index_to_cpu(struct parallel_data *pd, int cpu_index)
{
@@ -59,30 +82,82 @@ static int padata_cpu_hash(struct parallel_data *pd, unsigned int seq_nr)
return padata_index_to_cpu(pd, cpu_index);
}
-static void padata_parallel_worker(struct work_struct *parallel_work)
+static struct padata_work *padata_work_alloc(void)
{
- struct padata_parallel_queue *pqueue;
- LIST_HEAD(local_list);
+ struct padata_work *pw;
- local_bh_disable();
- pqueue = container_of(parallel_work,
- struct padata_parallel_queue, work);
+ lockdep_assert_held(&padata_works_lock);
- spin_lock(&pqueue->parallel.lock);
- list_replace_init(&pqueue->parallel.list, &local_list);
- spin_unlock(&pqueue->parallel.lock);
+ if (list_empty(&padata_free_works))
+ return NULL; /* No more work items allowed to be queued. */
- while (!list_empty(&local_list)) {
- struct padata_priv *padata;
+ pw = list_first_entry(&padata_free_works, struct padata_work, pw_list);
+ list_del(&pw->pw_list);
+ return pw;
+}
- padata = list_entry(local_list.next,
- struct padata_priv, list);
+static void padata_work_init(struct padata_work *pw, work_func_t work_fn,
+ void *data, int flags)
+{
+ if (flags & PADATA_WORK_ONSTACK)
+ INIT_WORK_ONSTACK(&pw->pw_work, work_fn);
+ else
+ INIT_WORK(&pw->pw_work, work_fn);
+ pw->pw_data = data;
+}
- list_del_init(&padata->list);
+static int __init padata_work_alloc_mt(int nworks, void *data,
+ struct list_head *head)
+{
+ int i;
- padata->parallel(padata);
+ spin_lock(&padata_works_lock);
+ /* Start at 1 because the current task participates in the job. */
+ for (i = 1; i < nworks; ++i) {
+ struct padata_work *pw = padata_work_alloc();
+
+ if (!pw)
+ break;
+ padata_work_init(pw, padata_mt_helper, data, 0);
+ list_add(&pw->pw_list, head);
+ }
+ spin_unlock(&padata_works_lock);
+
+ return i;
+}
+
+static void padata_work_free(struct padata_work *pw)
+{
+ lockdep_assert_held(&padata_works_lock);
+ list_add(&pw->pw_list, &padata_free_works);
+}
+
+static void __init padata_works_free(struct list_head *works)
+{
+ struct padata_work *cur, *next;
+
+ if (list_empty(works))
+ return;
+
+ spin_lock(&padata_works_lock);
+ list_for_each_entry_safe(cur, next, works, pw_list) {
+ list_del(&cur->pw_list);
+ padata_work_free(cur);
}
+ spin_unlock(&padata_works_lock);
+}
+static void padata_parallel_worker(struct work_struct *parallel_work)
+{
+ struct padata_work *pw = container_of(parallel_work, struct padata_work,
+ pw_work);
+ struct padata_priv *padata = pw->pw_data;
+
+ local_bh_disable();
+ padata->parallel(padata);
+ spin_lock(&padata_works_lock);
+ padata_work_free(pw);
+ spin_unlock(&padata_works_lock);
local_bh_enable();
}
@@ -106,9 +181,9 @@ int padata_do_parallel(struct padata_shell *ps,
struct padata_priv *padata, int *cb_cpu)
{
struct padata_instance *pinst = ps->pinst;
- int i, cpu, cpu_index, target_cpu, err;
- struct padata_parallel_queue *queue;
+ int i, cpu, cpu_index, err;
struct parallel_data *pd;
+ struct padata_work *pw;
rcu_read_lock_bh();
@@ -136,25 +211,25 @@ int padata_do_parallel(struct padata_shell *ps,
if ((pinst->flags & PADATA_RESET))
goto out;
- if (atomic_read(&pd->refcnt) >= MAX_OBJ_NUM)
- goto out;
-
- err = 0;
atomic_inc(&pd->refcnt);
padata->pd = pd;
padata->cb_cpu = *cb_cpu;
- padata->seq_nr = atomic_inc_return(&pd->seq_nr);
- target_cpu = padata_cpu_hash(pd, padata->seq_nr);
- padata->cpu = target_cpu;
- queue = per_cpu_ptr(pd->pqueue, target_cpu);
-
- spin_lock(&queue->parallel.lock);
- list_add_tail(&padata->list, &queue->parallel.list);
- spin_unlock(&queue->parallel.lock);
+ rcu_read_unlock_bh();
- queue_work(pinst->parallel_wq, &queue->work);
+ spin_lock(&padata_works_lock);
+ padata->seq_nr = ++pd->seq_nr;
+ pw = padata_work_alloc();
+ spin_unlock(&padata_works_lock);
+ if (pw) {
+ padata_work_init(pw, padata_parallel_worker, padata, 0);
+ queue_work(pinst->parallel_wq, &pw->pw_work);
+ } else {
+ /* Maximum works limit exceeded, run in the current task. */
+ padata->parallel(padata);
+ }
+ return 0;
out:
rcu_read_unlock_bh();
@@ -325,8 +400,9 @@ static void padata_serial_worker(struct work_struct *serial_work)
void padata_do_serial(struct padata_priv *padata)
{
struct parallel_data *pd = padata->pd;
+ int hashed_cpu = padata_cpu_hash(pd, padata->seq_nr);
struct padata_parallel_queue *pqueue = per_cpu_ptr(pd->pqueue,
- padata->cpu);
+ hashed_cpu);
struct padata_priv *cur;
spin_lock(&pqueue->reorder.lock);
@@ -387,6 +463,98 @@ out:
return err;
}
+static void __init padata_mt_helper(struct work_struct *w)
+{
+ struct padata_work *pw = container_of(w, struct padata_work, pw_work);
+ struct padata_mt_job_state *ps = pw->pw_data;
+ struct padata_mt_job *job = ps->job;
+ bool done;
+
+ spin_lock(&ps->lock);
+
+ while (job->size > 0) {
+ unsigned long start, size, end;
+
+ start = job->start;
+ /* So end is chunk size aligned if enough work remains. */
+ size = roundup(start + 1, ps->chunk_size) - start;
+ size = min(size, job->size);
+ end = start + size;
+
+ job->start = end;
+ job->size -= size;
+
+ spin_unlock(&ps->lock);
+ job->thread_fn(start, end, job->fn_arg);
+ spin_lock(&ps->lock);
+ }
+
+ ++ps->nworks_fini;
+ done = (ps->nworks_fini == ps->nworks);
+ spin_unlock(&ps->lock);
+
+ if (done)
+ complete(&ps->completion);
+}
+
+/**
+ * padata_do_multithreaded - run a multithreaded job
+ * @job: Description of the job.
+ *
+ * See the definition of struct padata_mt_job for more details.
+ */
+void __init padata_do_multithreaded(struct padata_mt_job *job)
+{
+ /* In case threads finish at different times. */
+ static const unsigned long load_balance_factor = 4;
+ struct padata_work my_work, *pw;
+ struct padata_mt_job_state ps;
+ LIST_HEAD(works);
+ int nworks;
+
+ if (job->size == 0)
+ return;
+
+ /* Ensure at least one thread when size < min_chunk. */
+ nworks = max(job->size / job->min_chunk, 1ul);
+ nworks = min(nworks, job->max_threads);
+
+ if (nworks == 1) {
+ /* Single thread, no coordination needed, cut to the chase. */
+ job->thread_fn(job->start, job->start + job->size, job->fn_arg);
+ return;
+ }
+
+ spin_lock_init(&ps.lock);
+ init_completion(&ps.completion);
+ ps.job = job;
+ ps.nworks = padata_work_alloc_mt(nworks, &ps, &works);
+ ps.nworks_fini = 0;
+
+ /*
+ * Chunk size is the amount of work a helper does per call to the
+ * thread function. Load balance large jobs between threads by
+ * increasing the number of chunks, guarantee at least the minimum
+ * chunk size from the caller, and honor the caller's alignment.
+ */
+ ps.chunk_size = job->size / (ps.nworks * load_balance_factor);
+ ps.chunk_size = max(ps.chunk_size, job->min_chunk);
+ ps.chunk_size = roundup(ps.chunk_size, job->align);
+
+ list_for_each_entry(pw, &works, pw_list)
+ queue_work(system_unbound_wq, &pw->pw_work);
+
+ /* Use the current thread, which saves starting a workqueue worker. */
+ padata_work_init(&my_work, padata_mt_helper, &ps, PADATA_WORK_ONSTACK);
+ padata_mt_helper(&my_work.pw_work);
+
+ /* Wait for all the helpers to finish. */
+ wait_for_completion(&ps.completion);
+
+ destroy_work_on_stack(&my_work.pw_work);
+ padata_works_free(&works);
+}
+
static void __padata_list_init(struct padata_list *pd_list)
{
INIT_LIST_HEAD(&pd_list->list);
@@ -417,8 +585,6 @@ static void padata_init_pqueues(struct parallel_data *pd)
pqueue = per_cpu_ptr(pd->pqueue, cpu);
__padata_list_init(&pqueue->reorder);
- __padata_list_init(&pqueue->parallel);
- INIT_WORK(&pqueue->work, padata_parallel_worker);
atomic_set(&pqueue->num_obj, 0);
}
}
@@ -452,7 +618,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps)
padata_init_pqueues(pd);
padata_init_squeues(pd);
- atomic_set(&pd->seq_nr, -1);
+ pd->seq_nr = -1;
atomic_set(&pd->refcnt, 1);
spin_lock_init(&pd->lock);
pd->cpu = cpumask_first(pd->cpumask.pcpu);
@@ -703,7 +869,7 @@ static int padata_cpu_online(unsigned int cpu, struct hlist_node *node)
struct padata_instance *pinst;
int ret;
- pinst = hlist_entry_safe(node, struct padata_instance, node);
+ pinst = hlist_entry_safe(node, struct padata_instance, cpu_online_node);
if (!pinst_has_cpu(pinst, cpu))
return 0;
@@ -718,7 +884,7 @@ static int padata_cpu_dead(unsigned int cpu, struct hlist_node *node)
struct padata_instance *pinst;
int ret;
- pinst = hlist_entry_safe(node, struct padata_instance, node);
+ pinst = hlist_entry_safe(node, struct padata_instance, cpu_dead_node);
if (!pinst_has_cpu(pinst, cpu))
return 0;
@@ -734,8 +900,9 @@ static enum cpuhp_state hp_online;
static void __padata_free(struct padata_instance *pinst)
{
#ifdef CONFIG_HOTPLUG_CPU
- cpuhp_state_remove_instance_nocalls(CPUHP_PADATA_DEAD, &pinst->node);
- cpuhp_state_remove_instance_nocalls(hp_online, &pinst->node);
+ cpuhp_state_remove_instance_nocalls(CPUHP_PADATA_DEAD,
+ &pinst->cpu_dead_node);
+ cpuhp_state_remove_instance_nocalls(hp_online, &pinst->cpu_online_node);
#endif
WARN_ON(!list_empty(&pinst->pslist));
@@ -939,9 +1106,10 @@ static struct padata_instance *padata_alloc(const char *name,
mutex_init(&pinst->lock);
#ifdef CONFIG_HOTPLUG_CPU
- cpuhp_state_add_instance_nocalls_cpuslocked(hp_online, &pinst->node);
+ cpuhp_state_add_instance_nocalls_cpuslocked(hp_online,
+ &pinst->cpu_online_node);
cpuhp_state_add_instance_nocalls_cpuslocked(CPUHP_PADATA_DEAD,
- &pinst->node);
+ &pinst->cpu_dead_node);
#endif
put_online_cpus();
@@ -1050,32 +1218,41 @@ void padata_free_shell(struct padata_shell *ps)
}
EXPORT_SYMBOL(padata_free_shell);
-#ifdef CONFIG_HOTPLUG_CPU
-
-static __init int padata_driver_init(void)
+void __init padata_init(void)
{
+ unsigned int i, possible_cpus;
+#ifdef CONFIG_HOTPLUG_CPU
int ret;
ret = cpuhp_setup_state_multi(CPUHP_AP_ONLINE_DYN, "padata:online",
padata_cpu_online, NULL);
if (ret < 0)
- return ret;
+ goto err;
hp_online = ret;
ret = cpuhp_setup_state_multi(CPUHP_PADATA_DEAD, "padata:dead",
NULL, padata_cpu_dead);
- if (ret < 0) {
- cpuhp_remove_multi_state(hp_online);
- return ret;
- }
- return 0;
-}
-module_init(padata_driver_init);
+ if (ret < 0)
+ goto remove_online_state;
+#endif
-static __exit void padata_driver_exit(void)
-{
+ possible_cpus = num_possible_cpus();
+ padata_works = kmalloc_array(possible_cpus, sizeof(struct padata_work),
+ GFP_KERNEL);
+ if (!padata_works)
+ goto remove_dead_state;
+
+ for (i = 0; i < possible_cpus; ++i)
+ list_add(&padata_works[i].pw_list, &padata_free_works);
+
+ return;
+
+remove_dead_state:
+#ifdef CONFIG_HOTPLUG_CPU
cpuhp_remove_multi_state(CPUHP_PADATA_DEAD);
+remove_online_state:
cpuhp_remove_multi_state(hp_online);
-}
-module_exit(padata_driver_exit);
+err:
#endif
+ pr_warn("padata: initialization failed\n");
+}
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 01f8ba32cc0c..0e5ac162c3a8 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -263,7 +263,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
#ifdef CONFIG_CHECKPOINT_RESTORE
static int pid_ns_ctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct pid_namespace *pid_ns = task_active_pid_ns(current);
struct ctl_table tmp = *table;
@@ -378,13 +378,14 @@ static void pidns_put(struct ns_common *ns)
put_pid_ns(to_pid_ns(ns));
}
-static int pidns_install(struct nsproxy *nsproxy, struct ns_common *ns)
+static int pidns_install(struct nsset *nsset, struct ns_common *ns)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct pid_namespace *active = task_active_pid_ns(current);
struct pid_namespace *ancestor, *new = to_pid_ns(ns);
if (!ns_capable(new->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
return -EPERM;
/*
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index c208566c844b..4d0e6e815a2b 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -80,6 +80,18 @@ config HIBERNATION
For more information take a look at <file:Documentation/power/swsusp.rst>.
+config HIBERNATION_SNAPSHOT_DEV
+ bool "Userspace snapshot device"
+ depends on HIBERNATION
+ default y
+ ---help---
+ Device used by the uswsusp tools.
+
+ Say N if no snapshotting from userspace is needed, this also
+ reduces the attack surface of the kernel.
+
+ If in doubt, say Y.
+
config PM_STD_PARTITION
string "Default resume partition"
depends on HIBERNATION
diff --git a/kernel/power/Makefile b/kernel/power/Makefile
index e7e47d9be1e5..5899260a8bef 100644
--- a/kernel/power/Makefile
+++ b/kernel/power/Makefile
@@ -10,7 +10,8 @@ obj-$(CONFIG_VT_CONSOLE_SLEEP) += console.o
obj-$(CONFIG_FREEZER) += process.o
obj-$(CONFIG_SUSPEND) += suspend.o
obj-$(CONFIG_PM_TEST_SUSPEND) += suspend_test.o
-obj-$(CONFIG_HIBERNATION) += hibernate.o snapshot.o swap.o user.o
+obj-$(CONFIG_HIBERNATION) += hibernate.o snapshot.o swap.o
+obj-$(CONFIG_HIBERNATION_SNAPSHOT_DEV) += user.o
obj-$(CONFIG_PM_AUTOSLEEP) += autosleep.o
obj-$(CONFIG_PM_WAKELOCKS) += wakelock.o
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 86aba8706b16..02ec716a4927 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -67,6 +67,18 @@ bool freezer_test_done;
static const struct platform_hibernation_ops *hibernation_ops;
+static atomic_t hibernate_atomic = ATOMIC_INIT(1);
+
+bool hibernate_acquire(void)
+{
+ return atomic_add_unless(&hibernate_atomic, -1, 0);
+}
+
+void hibernate_release(void)
+{
+ atomic_inc(&hibernate_atomic);
+}
+
bool hibernation_available(void)
{
return nohibernate == 0 && !security_locked_down(LOCKDOWN_HIBERNATION);
@@ -704,7 +716,7 @@ int hibernate(void)
lock_system_sleep();
/* The snapshot device should not be opened while we're running */
- if (!atomic_add_unless(&snapshot_device_available, -1, 0)) {
+ if (!hibernate_acquire()) {
error = -EBUSY;
goto Unlock;
}
@@ -775,7 +787,7 @@ int hibernate(void)
Exit:
__pm_notifier_call_chain(PM_POST_HIBERNATION, nr_calls, NULL);
pm_restore_console();
- atomic_inc(&snapshot_device_available);
+ hibernate_release();
Unlock:
unlock_system_sleep();
pr_info("hibernation exit\n");
@@ -880,7 +892,7 @@ static int software_resume(void)
goto Unlock;
/* The snapshot device should not be opened while we're running */
- if (!atomic_add_unless(&snapshot_device_available, -1, 0)) {
+ if (!hibernate_acquire()) {
error = -EBUSY;
swsusp_close(FMODE_READ);
goto Unlock;
@@ -898,13 +910,20 @@ static int software_resume(void)
error = freeze_processes();
if (error)
goto Close_Finish;
+
+ error = freeze_kernel_threads();
+ if (error) {
+ thaw_processes();
+ goto Close_Finish;
+ }
+
error = load_image_and_restore();
thaw_processes();
Finish:
__pm_notifier_call_chain(PM_POST_RESTORE, nr_calls, NULL);
pm_restore_console();
pr_info("resume failed (%d)\n", error);
- atomic_inc(&snapshot_device_available);
+ hibernate_release();
/* For success case, the suspend path will release the lock */
Unlock:
mutex_unlock(&system_transition_mutex);
diff --git a/kernel/power/power.h b/kernel/power/power.h
index 7cdc64dc2373..ba2094db6294 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -154,8 +154,8 @@ extern int snapshot_write_next(struct snapshot_handle *handle);
extern void snapshot_write_finalize(struct snapshot_handle *handle);
extern int snapshot_image_loaded(struct snapshot_handle *handle);
-/* If unset, the snapshot device cannot be open. */
-extern atomic_t snapshot_device_available;
+extern bool hibernate_acquire(void);
+extern void hibernate_release(void);
extern sector_t alloc_swapdev_block(int swap);
extern void free_all_swap_pages(int swap);
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 7959449765d9..d5eedc2baa2a 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -35,9 +35,13 @@ static struct snapshot_data {
bool ready;
bool platform_support;
bool free_bitmaps;
+ struct inode *bd_inode;
} snapshot_state;
-atomic_t snapshot_device_available = ATOMIC_INIT(1);
+int is_hibernate_resume_dev(const struct inode *bd_inode)
+{
+ return hibernation_available() && snapshot_state.bd_inode == bd_inode;
+}
static int snapshot_open(struct inode *inode, struct file *filp)
{
@@ -49,13 +53,13 @@ static int snapshot_open(struct inode *inode, struct file *filp)
lock_system_sleep();
- if (!atomic_add_unless(&snapshot_device_available, -1, 0)) {
+ if (!hibernate_acquire()) {
error = -EBUSY;
goto Unlock;
}
if ((filp->f_flags & O_ACCMODE) == O_RDWR) {
- atomic_inc(&snapshot_device_available);
+ hibernate_release();
error = -ENOSYS;
goto Unlock;
}
@@ -92,11 +96,12 @@ static int snapshot_open(struct inode *inode, struct file *filp)
__pm_notifier_call_chain(PM_POST_RESTORE, nr_calls, NULL);
}
if (error)
- atomic_inc(&snapshot_device_available);
+ hibernate_release();
data->frozen = false;
data->ready = false;
data->platform_support = false;
+ data->bd_inode = NULL;
Unlock:
unlock_system_sleep();
@@ -112,6 +117,7 @@ static int snapshot_release(struct inode *inode, struct file *filp)
swsusp_free();
data = filp->private_data;
+ data->bd_inode = NULL;
free_all_swap_pages(data->swap);
if (data->frozen) {
pm_restore_gfp_mask();
@@ -122,7 +128,7 @@ static int snapshot_release(struct inode *inode, struct file *filp)
}
pm_notifier_call_chain(data->mode == O_RDONLY ?
PM_POST_HIBERNATION : PM_POST_RESTORE);
- atomic_inc(&snapshot_device_available);
+ hibernate_release();
unlock_system_sleep();
@@ -204,6 +210,7 @@ struct compat_resume_swap_area {
static int snapshot_set_swap_area(struct snapshot_data *data,
void __user *argp)
{
+ struct block_device *bdev;
sector_t offset;
dev_t swdev;
@@ -234,9 +241,12 @@ static int snapshot_set_swap_area(struct snapshot_data *data,
data->swap = -1;
return -EINVAL;
}
- data->swap = swap_type_of(swdev, offset, NULL);
+ data->swap = swap_type_of(swdev, offset, &bdev);
if (data->swap < 0)
return -ENODEV;
+
+ data->bd_inode = bdev->bd_inode;
+ bdput(bdev);
return 0;
}
diff --git a/kernel/printk/console_cmdline.h b/kernel/printk/console_cmdline.h
index 11f19c466af5..3ca74ad391d6 100644
--- a/kernel/printk/console_cmdline.h
+++ b/kernel/printk/console_cmdline.h
@@ -6,6 +6,7 @@ struct console_cmdline
{
char name[16]; /* Name of the driver */
int index; /* Minor dev. to use */
+ bool user_specified; /* Specified by command line vs. platform */
char *options; /* Options for the driver */
#ifdef CONFIG_A11Y_BRAILLE_CONSOLE
char *brl_options; /* Options for braille driver */
diff --git a/kernel/printk/internal.h b/kernel/printk/internal.h
index b2b0f526f249..660f9a6bf73a 100644
--- a/kernel/printk/internal.h
+++ b/kernel/printk/internal.h
@@ -6,9 +6,11 @@
#ifdef CONFIG_PRINTK
-#define PRINTK_SAFE_CONTEXT_MASK 0x3fffffff
-#define PRINTK_NMI_DIRECT_CONTEXT_MASK 0x40000000
-#define PRINTK_NMI_CONTEXT_MASK 0x80000000
+#define PRINTK_SAFE_CONTEXT_MASK 0x007ffffff
+#define PRINTK_NMI_DIRECT_CONTEXT_MASK 0x008000000
+#define PRINTK_NMI_CONTEXT_MASK 0xff0000000
+
+#define PRINTK_NMI_CONTEXT_OFFSET 0x010000000
extern raw_spinlock_t logbuf_lock;
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 9a9b6156270b..3132d6f860a8 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -173,7 +173,7 @@ __setup("printk.devkmsg=", control_devkmsg);
char devkmsg_log_str[DEVKMSG_STR_MAX_SIZE] = "ratelimit";
int devkmsg_sysctl_set_loglvl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char old_str[DEVKMSG_STR_MAX_SIZE];
unsigned int old;
@@ -280,6 +280,7 @@ static struct console *exclusive_console;
static struct console_cmdline console_cmdline[MAX_CMDLINECONSOLES];
static int preferred_console = -1;
+static bool has_preferred_console;
int console_set_on_cmdline;
EXPORT_SYMBOL(console_set_on_cmdline);
@@ -974,6 +975,16 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence)
user->idx = log_next_idx;
user->seq = log_next_seq;
break;
+ case SEEK_CUR:
+ /*
+ * It isn't supported due to the record nature of this
+ * interface: _SET _DATA and _END point to very specific
+ * record positions, while _CUR would be more useful in case
+ * of a byte-based log. Because of that, return the default
+ * errno value for invalid seek operation.
+ */
+ ret = -ESPIPE;
+ break;
default:
ret = -EINVAL;
}
@@ -2140,7 +2151,7 @@ asmlinkage __visible void early_printk(const char *fmt, ...)
#endif
static int __add_preferred_console(char *name, int idx, char *options,
- char *brl_options)
+ char *brl_options, bool user_specified)
{
struct console_cmdline *c;
int i;
@@ -2155,6 +2166,8 @@ static int __add_preferred_console(char *name, int idx, char *options,
if (strcmp(c->name, name) == 0 && c->index == idx) {
if (!brl_options)
preferred_console = i;
+ if (user_specified)
+ c->user_specified = true;
return 0;
}
}
@@ -2164,6 +2177,7 @@ static int __add_preferred_console(char *name, int idx, char *options,
preferred_console = i;
strlcpy(c->name, name, sizeof(c->name));
c->options = options;
+ c->user_specified = user_specified;
braille_set_options(c, brl_options);
c->index = idx;
@@ -2190,6 +2204,9 @@ static int __init console_setup(char *str)
char *s, *options, *brl_options = NULL;
int idx;
+ if (str[0] == 0)
+ return 1;
+
if (_braille_console_setup(&str, &brl_options))
return 1;
@@ -2218,7 +2235,7 @@ static int __init console_setup(char *str)
idx = simple_strtoul(s, NULL, 10);
*s = 0;
- __add_preferred_console(buf, idx, options, brl_options);
+ __add_preferred_console(buf, idx, options, brl_options, true);
console_set_on_cmdline = 1;
return 1;
}
@@ -2239,7 +2256,7 @@ __setup("console=", console_setup);
*/
int add_preferred_console(char *name, int idx, char *options)
{
- return __add_preferred_console(name, idx, options, NULL);
+ return __add_preferred_console(name, idx, options, NULL, false);
}
bool console_suspend_enabled = true;
@@ -2438,9 +2455,9 @@ again:
printk_safe_enter_irqsave(flags);
raw_spin_lock(&logbuf_lock);
if (console_seq < log_first_seq) {
- len = sprintf(text,
- "** %llu printk messages dropped **\n",
- log_first_seq - console_seq);
+ len = snprintf(text, sizeof(text),
+ "** %llu printk messages dropped **\n",
+ log_first_seq - console_seq);
/* messages are gone, move to first one */
console_seq = log_first_seq;
@@ -2652,6 +2669,63 @@ static int __init keep_bootcon_setup(char *str)
early_param("keep_bootcon", keep_bootcon_setup);
/*
+ * This is called by register_console() to try to match
+ * the newly registered console with any of the ones selected
+ * by either the command line or add_preferred_console() and
+ * setup/enable it.
+ *
+ * Care need to be taken with consoles that are statically
+ * enabled such as netconsole
+ */
+static int try_enable_new_console(struct console *newcon, bool user_specified)
+{
+ struct console_cmdline *c;
+ int i;
+
+ for (i = 0, c = console_cmdline;
+ i < MAX_CMDLINECONSOLES && c->name[0];
+ i++, c++) {
+ if (c->user_specified != user_specified)
+ continue;
+ if (!newcon->match ||
+ newcon->match(newcon, c->name, c->index, c->options) != 0) {
+ /* default matching */
+ BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));
+ if (strcmp(c->name, newcon->name) != 0)
+ continue;
+ if (newcon->index >= 0 &&
+ newcon->index != c->index)
+ continue;
+ if (newcon->index < 0)
+ newcon->index = c->index;
+
+ if (_braille_register_console(newcon, c))
+ return 0;
+
+ if (newcon->setup &&
+ newcon->setup(newcon, c->options) != 0)
+ return -EIO;
+ }
+ newcon->flags |= CON_ENABLED;
+ if (i == preferred_console) {
+ newcon->flags |= CON_CONSDEV;
+ has_preferred_console = true;
+ }
+ return 0;
+ }
+
+ /*
+ * Some consoles, such as pstore and netconsole, can be enabled even
+ * without matching. Accept the pre-enabled consoles only when match()
+ * and setup() had a change to be called.
+ */
+ if (newcon->flags & CON_ENABLED && c->user_specified == user_specified)
+ return 0;
+
+ return -ENOENT;
+}
+
+/*
* The console driver calls this routine during kernel initialization
* to register the console printing procedure with printk() and to
* print any messages that were printed by the kernel before the
@@ -2672,11 +2746,9 @@ early_param("keep_bootcon", keep_bootcon_setup);
*/
void register_console(struct console *newcon)
{
- int i;
unsigned long flags;
struct console *bcon = NULL;
- struct console_cmdline *c;
- static bool has_preferred;
+ int err;
for_each_console(bcon) {
if (WARN(bcon == newcon, "console '%s%d' already registered\n",
@@ -2701,15 +2773,15 @@ void register_console(struct console *newcon)
if (console_drivers && console_drivers->flags & CON_BOOT)
bcon = console_drivers;
- if (!has_preferred || bcon || !console_drivers)
- has_preferred = preferred_console >= 0;
+ if (!has_preferred_console || bcon || !console_drivers)
+ has_preferred_console = preferred_console >= 0;
/*
* See if we want to use this console driver. If we
* didn't select a console we take the first one
* that registers here.
*/
- if (!has_preferred) {
+ if (!has_preferred_console) {
if (newcon->index < 0)
newcon->index = 0;
if (newcon->setup == NULL ||
@@ -2717,47 +2789,20 @@ void register_console(struct console *newcon)
newcon->flags |= CON_ENABLED;
if (newcon->device) {
newcon->flags |= CON_CONSDEV;
- has_preferred = true;
+ has_preferred_console = true;
}
}
}
- /*
- * See if this console matches one we selected on
- * the command line.
- */
- for (i = 0, c = console_cmdline;
- i < MAX_CMDLINECONSOLES && c->name[0];
- i++, c++) {
- if (!newcon->match ||
- newcon->match(newcon, c->name, c->index, c->options) != 0) {
- /* default matching */
- BUILD_BUG_ON(sizeof(c->name) != sizeof(newcon->name));
- if (strcmp(c->name, newcon->name) != 0)
- continue;
- if (newcon->index >= 0 &&
- newcon->index != c->index)
- continue;
- if (newcon->index < 0)
- newcon->index = c->index;
-
- if (_braille_register_console(newcon, c))
- return;
-
- if (newcon->setup &&
- newcon->setup(newcon, c->options) != 0)
- break;
- }
+ /* See if this console matches one we selected on the command line */
+ err = try_enable_new_console(newcon, true);
- newcon->flags |= CON_ENABLED;
- if (i == preferred_console) {
- newcon->flags |= CON_CONSDEV;
- has_preferred = true;
- }
- break;
- }
+ /* If not, try to match against the platform default(s) */
+ if (err == -ENOENT)
+ err = try_enable_new_console(newcon, false);
- if (!(newcon->flags & CON_ENABLED))
+ /* printk() messages are not printed to the Braille console. */
+ if (err || newcon->flags & CON_BRL)
return;
/*
@@ -2779,6 +2824,8 @@ void register_console(struct console *newcon)
console_drivers = newcon;
if (newcon->next)
newcon->next->flags &= ~CON_CONSDEV;
+ /* Ensure this flag is always set for the head of the list */
+ newcon->flags |= CON_CONSDEV;
} else {
newcon->next = console_drivers->next;
console_drivers->next = newcon;
@@ -3144,6 +3191,23 @@ EXPORT_SYMBOL_GPL(kmsg_dump_unregister);
static bool always_kmsg_dump;
module_param_named(always_kmsg_dump, always_kmsg_dump, bool, S_IRUGO | S_IWUSR);
+const char *kmsg_dump_reason_str(enum kmsg_dump_reason reason)
+{
+ switch (reason) {
+ case KMSG_DUMP_PANIC:
+ return "Panic";
+ case KMSG_DUMP_OOPS:
+ return "Oops";
+ case KMSG_DUMP_EMERG:
+ return "Emergency";
+ case KMSG_DUMP_SHUTDOWN:
+ return "Shutdown";
+ default:
+ return "Unknown";
+ }
+}
+EXPORT_SYMBOL_GPL(kmsg_dump_reason_str);
+
/**
* kmsg_dump - dump kernel log to kernel message dumpers.
* @reason: the reason (oops, panic etc) for dumping
@@ -3157,12 +3221,19 @@ void kmsg_dump(enum kmsg_dump_reason reason)
struct kmsg_dumper *dumper;
unsigned long flags;
- if ((reason > KMSG_DUMP_OOPS) && !always_kmsg_dump)
- return;
-
rcu_read_lock();
list_for_each_entry_rcu(dumper, &dump_list, list) {
- if (dumper->max_reason && reason > dumper->max_reason)
+ enum kmsg_dump_reason max_reason = dumper->max_reason;
+
+ /*
+ * If client has not provided a specific max_reason, default
+ * to KMSG_DUMP_OOPS, unless always_kmsg_dump was set.
+ */
+ if (max_reason == KMSG_DUMP_UNDEF) {
+ max_reason = always_kmsg_dump ? KMSG_DUMP_MAX :
+ KMSG_DUMP_OOPS;
+ }
+ if (reason > max_reason)
continue;
/* initialize iterator with data about the stored records */
@@ -3360,7 +3431,7 @@ out:
EXPORT_SYMBOL_GPL(kmsg_dump_get_buffer);
/**
- * kmsg_dump_rewind_nolock - reset the interator (unlocked version)
+ * kmsg_dump_rewind_nolock - reset the iterator (unlocked version)
* @dumper: registered kmsg dumper
*
* Reset the dumper's iterator so that kmsg_dump_get_line() and
@@ -3378,7 +3449,7 @@ void kmsg_dump_rewind_nolock(struct kmsg_dumper *dumper)
}
/**
- * kmsg_dump_rewind - reset the interator
+ * kmsg_dump_rewind - reset the iterator
* @dumper: registered kmsg dumper
*
* Reset the dumper's iterator so that kmsg_dump_get_line() and
diff --git a/kernel/printk/printk_safe.c b/kernel/printk/printk_safe.c
index d9a659a686f3..4242403316bb 100644
--- a/kernel/printk/printk_safe.c
+++ b/kernel/printk/printk_safe.c
@@ -10,6 +10,7 @@
#include <linux/cpumask.h>
#include <linux/irq_work.h>
#include <linux/printk.h>
+#include <linux/kprobes.h>
#include "internal.h"
@@ -293,14 +294,14 @@ static __printf(1, 0) int vprintk_nmi(const char *fmt, va_list args)
return printk_safe_log_store(s, fmt, args);
}
-void notrace printk_nmi_enter(void)
+void noinstr printk_nmi_enter(void)
{
- this_cpu_or(printk_context, PRINTK_NMI_CONTEXT_MASK);
+ this_cpu_add(printk_context, PRINTK_NMI_CONTEXT_OFFSET);
}
-void notrace printk_nmi_exit(void)
+void noinstr printk_nmi_exit(void)
{
- this_cpu_and(printk_context, ~PRINTK_NMI_CONTEXT_MASK);
+ this_cpu_sub(printk_context, PRINTK_NMI_CONTEXT_OFFSET);
}
/*
diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
index 1cc940fef17c..0ebe15a84985 100644
--- a/kernel/rcu/Kconfig
+++ b/kernel/rcu/Kconfig
@@ -70,13 +70,37 @@ config TREE_SRCU
help
This option selects the full-fledged version of SRCU.
+config TASKS_RCU_GENERIC
+ def_bool TASKS_RCU || TASKS_RUDE_RCU || TASKS_TRACE_RCU
+ select SRCU
+ help
+ This option enables generic infrastructure code supporting
+ task-based RCU implementations. Not for manual selection.
+
config TASKS_RCU
def_bool PREEMPTION
- select SRCU
help
This option enables a task-based RCU implementation that uses
only voluntary context switch (not preemption!), idle, and
- user-mode execution as quiescent states.
+ user-mode execution as quiescent states. Not for manual selection.
+
+config TASKS_RUDE_RCU
+ def_bool 0
+ help
+ This option enables a task-based RCU implementation that uses
+ only context switch (including preemption) and user-mode
+ execution as quiescent states. It forces IPIs and context
+ switches on all online CPUs, including idle ones, so use
+ with caution.
+
+config TASKS_TRACE_RCU
+ def_bool 0
+ help
+ This option enables a task-based RCU implementation that uses
+ explicit rcu_read_lock_trace() read-side markers, and allows
+ these readers to appear in the idle loop as well as on the CPU
+ hotplug code paths. It can force IPIs on online CPUs, including
+ idle ones, so use with caution.
config RCU_STALL_COMMON
def_bool TREE_RCU
@@ -210,4 +234,22 @@ config RCU_NOCB_CPU
Say Y here if you want to help to debug reduced OS jitter.
Say N here if you are unsure.
+config TASKS_TRACE_RCU_READ_MB
+ bool "Tasks Trace RCU readers use memory barriers in user and idle"
+ depends on RCU_EXPERT
+ default PREEMPT_RT || NR_CPUS < 8
+ help
+ Use this option to further reduce the number of IPIs sent
+ to CPUs executing in userspace or idle during tasks trace
+ RCU grace periods. Given that a reasonable setting of
+ the rcupdate.rcu_task_ipi_delay kernel boot parameter
+ eliminates such IPIs for many workloads, proper setting
+ of this Kconfig option is important mostly for aggressive
+ real-time installations and for battery-powered devices,
+ hence the default chosen above.
+
+ Say Y here if you hate IPIs.
+ Say N here if you hate read-side memory barriers.
+ Take the default if you are unsure.
+
endmenu # "RCU Subsystem"
diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug
index 4aa02eee8f6c..452feae8de20 100644
--- a/kernel/rcu/Kconfig.debug
+++ b/kernel/rcu/Kconfig.debug
@@ -29,6 +29,8 @@ config RCU_PERF_TEST
select TORTURE_TEST
select SRCU
select TASKS_RCU
+ select TASKS_RUDE_RCU
+ select TASKS_TRACE_RCU
default n
help
This option provides a kernel module that runs performance
@@ -46,6 +48,8 @@ config RCU_TORTURE_TEST
select TORTURE_TEST
select SRCU
select TASKS_RCU
+ select TASKS_RUDE_RCU
+ select TASKS_TRACE_RCU
default n
help
This option provides a kernel module that runs torture tests
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 00ddc92c5774..cf66a3ccd757 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -431,6 +431,7 @@ bool rcu_gp_is_expedited(void); /* Internal RCU use. */
void rcu_expedite_gp(void);
void rcu_unexpedite_gp(void);
void rcupdate_announce_bootup_oddness(void);
+void show_rcu_tasks_gp_kthreads(void);
void rcu_request_urgent_qs_task(struct task_struct *t);
#endif /* #else #ifdef CONFIG_TINY_RCU */
@@ -441,6 +442,8 @@ void rcu_request_urgent_qs_task(struct task_struct *t);
enum rcutorture_type {
RCU_FLAVOR,
RCU_TASKS_FLAVOR,
+ RCU_TASKS_RUDE_FLAVOR,
+ RCU_TASKS_TRACING_FLAVOR,
RCU_TRIVIAL_FLAVOR,
SRCU_FLAVOR,
INVALID_RCU_FLAVOR
@@ -454,6 +457,7 @@ void do_trace_rcu_torture_read(const char *rcutorturename,
unsigned long secs,
unsigned long c_old,
unsigned long c);
+void rcu_gp_set_torture_wait(int duration);
#else
static inline void rcutorture_get_gp_data(enum rcutorture_type test_type,
int *flags, unsigned long *gp_seq)
@@ -471,6 +475,7 @@ void do_trace_rcu_torture_read(const char *rcutorturename,
#define do_trace_rcu_torture_read(rcutorturename, rhp, secs, c_old, c) \
do { } while (0)
#endif
+static inline void rcu_gp_set_torture_wait(int duration) { }
#endif
#if IS_ENABLED(CONFIG_RCU_TORTURE_TEST) || IS_MODULE(CONFIG_RCU_TORTURE_TEST)
@@ -498,6 +503,7 @@ void srcutorture_get_gp_data(enum rcutorture_type test_type,
#endif
#ifdef CONFIG_TINY_RCU
+static inline bool rcu_dynticks_zero_in_eqs(int cpu, int *vp) { return false; }
static inline unsigned long rcu_get_gp_seq(void) { return 0; }
static inline unsigned long rcu_exp_batches_completed(void) { return 0; }
static inline unsigned long
@@ -507,6 +513,7 @@ static inline void show_rcu_gp_kthreads(void) { }
static inline int rcu_get_gp_kthreads_prio(void) { return 0; }
static inline void rcu_fwd_progress_check(unsigned long j) { }
#else /* #ifdef CONFIG_TINY_RCU */
+bool rcu_dynticks_zero_in_eqs(int cpu, int *vp);
unsigned long rcu_get_gp_seq(void);
unsigned long rcu_exp_batches_completed(void);
unsigned long srcu_batches_completed(struct srcu_struct *sp);
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c
index a4a8d097d84d..16dd1e6b7c09 100644
--- a/kernel/rcu/rcuperf.c
+++ b/kernel/rcu/rcuperf.c
@@ -88,6 +88,7 @@ torture_param(bool, shutdown, RCUPERF_SHUTDOWN,
torture_param(int, verbose, 1, "Enable verbose debugging printk()s");
torture_param(int, writer_holdoff, 0, "Holdoff (us) between GPs, zero to disable");
torture_param(int, kfree_rcu_test, 0, "Do we run a kfree_rcu() perf test?");
+torture_param(int, kfree_mult, 1, "Multiple of kfree_obj size to allocate.");
static char *perf_type = "rcu";
module_param(perf_type, charp, 0444);
@@ -635,7 +636,7 @@ kfree_perf_thread(void *arg)
}
for (i = 0; i < kfree_alloc_num; i++) {
- alloc_ptr = kmalloc(sizeof(struct kfree_obj), GFP_KERNEL);
+ alloc_ptr = kmalloc(kfree_mult * sizeof(struct kfree_obj), GFP_KERNEL);
if (!alloc_ptr)
return -ENOMEM;
@@ -722,6 +723,8 @@ kfree_perf_init(void)
schedule_timeout_uninterruptible(1);
}
+ pr_alert("kfree object size=%lu\n", kfree_mult * sizeof(struct kfree_obj));
+
kfree_reader_tasks = kcalloc(kfree_nrealthreads, sizeof(kfree_reader_tasks[0]),
GFP_KERNEL);
if (kfree_reader_tasks == NULL) {
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 5453bd557f43..efb792e13fca 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -20,7 +20,7 @@
#include <linux/err.h>
#include <linux/spinlock.h>
#include <linux/smp.h>
-#include <linux/rcupdate.h>
+#include <linux/rcupdate_wait.h>
#include <linux/interrupt.h>
#include <linux/sched/signal.h>
#include <uapi/linux/sched/types.h>
@@ -45,12 +45,25 @@
#include <linux/sched/sysctl.h>
#include <linux/oom.h>
#include <linux/tick.h>
+#include <linux/rcupdate_trace.h>
#include "rcu.h"
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Paul E. McKenney <paulmck@linux.ibm.com> and Josh Triplett <josh@joshtriplett.org>");
+#ifndef data_race
+#define data_race(expr) \
+ ({ \
+ expr; \
+ })
+#endif
+#ifndef ASSERT_EXCLUSIVE_WRITER
+#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
+#endif
+#ifndef ASSERT_EXCLUSIVE_ACCESS
+#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
+#endif
/* Bits for ->extendables field, extendables param, and related definitions. */
#define RCUTORTURE_RDR_SHIFT 8 /* Put SRCU index in upper bits. */
@@ -102,6 +115,9 @@ torture_param(int, stall_cpu, 0, "Stall duration (s), zero to disable.");
torture_param(int, stall_cpu_holdoff, 10,
"Time to wait before starting stall (s).");
torture_param(int, stall_cpu_irqsoff, 0, "Disable interrupts while stalling.");
+torture_param(int, stall_cpu_block, 0, "Sleep while stalling.");
+torture_param(int, stall_gp_kthread, 0,
+ "Grace-period kthread stall duration (s).");
torture_param(int, stat_interval, 60,
"Number of seconds between stats printk()s");
torture_param(int, stutter, 5, "Number of seconds to run/halt test");
@@ -665,6 +681,11 @@ static void rcu_tasks_torture_deferred_free(struct rcu_torture *p)
call_rcu_tasks(&p->rtort_rcu, rcu_torture_cb);
}
+static void synchronize_rcu_mult_test(void)
+{
+ synchronize_rcu_mult(call_rcu_tasks, call_rcu);
+}
+
static struct rcu_torture_ops tasks_ops = {
.ttype = RCU_TASKS_FLAVOR,
.init = rcu_sync_torture_init,
@@ -674,7 +695,7 @@ static struct rcu_torture_ops tasks_ops = {
.get_gp_seq = rcu_no_completed,
.deferred_free = rcu_tasks_torture_deferred_free,
.sync = synchronize_rcu_tasks,
- .exp_sync = synchronize_rcu_tasks,
+ .exp_sync = synchronize_rcu_mult_test,
.call = call_rcu_tasks,
.cb_barrier = rcu_barrier_tasks,
.fqs = NULL,
@@ -725,6 +746,72 @@ static struct rcu_torture_ops trivial_ops = {
.name = "trivial"
};
+/*
+ * Definitions for rude RCU-tasks torture testing.
+ */
+
+static void rcu_tasks_rude_torture_deferred_free(struct rcu_torture *p)
+{
+ call_rcu_tasks_rude(&p->rtort_rcu, rcu_torture_cb);
+}
+
+static struct rcu_torture_ops tasks_rude_ops = {
+ .ttype = RCU_TASKS_RUDE_FLAVOR,
+ .init = rcu_sync_torture_init,
+ .readlock = rcu_torture_read_lock_trivial,
+ .read_delay = rcu_read_delay, /* just reuse rcu's version. */
+ .readunlock = rcu_torture_read_unlock_trivial,
+ .get_gp_seq = rcu_no_completed,
+ .deferred_free = rcu_tasks_rude_torture_deferred_free,
+ .sync = synchronize_rcu_tasks_rude,
+ .exp_sync = synchronize_rcu_tasks_rude,
+ .call = call_rcu_tasks_rude,
+ .cb_barrier = rcu_barrier_tasks_rude,
+ .fqs = NULL,
+ .stats = NULL,
+ .irq_capable = 1,
+ .name = "tasks-rude"
+};
+
+/*
+ * Definitions for tracing RCU-tasks torture testing.
+ */
+
+static int tasks_tracing_torture_read_lock(void)
+{
+ rcu_read_lock_trace();
+ return 0;
+}
+
+static void tasks_tracing_torture_read_unlock(int idx)
+{
+ rcu_read_unlock_trace();
+}
+
+static void rcu_tasks_tracing_torture_deferred_free(struct rcu_torture *p)
+{
+ call_rcu_tasks_trace(&p->rtort_rcu, rcu_torture_cb);
+}
+
+static struct rcu_torture_ops tasks_tracing_ops = {
+ .ttype = RCU_TASKS_TRACING_FLAVOR,
+ .init = rcu_sync_torture_init,
+ .readlock = tasks_tracing_torture_read_lock,
+ .read_delay = srcu_read_delay, /* just reuse srcu's version. */
+ .readunlock = tasks_tracing_torture_read_unlock,
+ .get_gp_seq = rcu_no_completed,
+ .deferred_free = rcu_tasks_tracing_torture_deferred_free,
+ .sync = synchronize_rcu_tasks_trace,
+ .exp_sync = synchronize_rcu_tasks_trace,
+ .call = call_rcu_tasks_trace,
+ .cb_barrier = rcu_barrier_tasks_trace,
+ .fqs = NULL,
+ .stats = NULL,
+ .irq_capable = 1,
+ .slow_gps = 1,
+ .name = "tasks-tracing"
+};
+
static unsigned long rcutorture_seq_diff(unsigned long new, unsigned long old)
{
if (!cur_ops->gp_diff)
@@ -734,7 +821,7 @@ static unsigned long rcutorture_seq_diff(unsigned long new, unsigned long old)
static bool __maybe_unused torturing_tasks(void)
{
- return cur_ops == &tasks_ops;
+ return cur_ops == &tasks_ops || cur_ops == &tasks_rude_ops;
}
/*
@@ -833,7 +920,7 @@ static int rcu_torture_boost(void *arg)
/* Wait for the next test interval. */
oldstarttime = boost_starttime;
- while (ULONG_CMP_LT(jiffies, oldstarttime)) {
+ while (time_before(jiffies, oldstarttime)) {
schedule_timeout_interruptible(oldstarttime - jiffies);
stutter_wait("rcu_torture_boost");
if (torture_must_stop())
@@ -843,7 +930,7 @@ static int rcu_torture_boost(void *arg)
/* Do one boost-test interval. */
endtime = oldstarttime + test_boost_duration * HZ;
call_rcu_time = jiffies;
- while (ULONG_CMP_LT(jiffies, endtime)) {
+ while (time_before(jiffies, endtime)) {
/* If we don't have a callback in flight, post one. */
if (!smp_load_acquire(&rbi.inflight)) {
/* RCU core before ->inflight = 1. */
@@ -914,7 +1001,7 @@ rcu_torture_fqs(void *arg)
VERBOSE_TOROUT_STRING("rcu_torture_fqs task started");
do {
fqs_resume_time = jiffies + fqs_stutter * HZ;
- while (ULONG_CMP_LT(jiffies, fqs_resume_time) &&
+ while (time_before(jiffies, fqs_resume_time) &&
!kthread_should_stop()) {
schedule_timeout_interruptible(1);
}
@@ -1147,6 +1234,7 @@ static void rcutorture_one_extend(int *readstate, int newstate,
struct torture_random_state *trsp,
struct rt_read_seg *rtrsp)
{
+ unsigned long flags;
int idxnew = -1;
int idxold = *readstate;
int statesnew = ~*readstate & newstate;
@@ -1181,8 +1269,15 @@ static void rcutorture_one_extend(int *readstate, int newstate,
rcu_read_unlock_bh();
if (statesold & RCUTORTURE_RDR_SCHED)
rcu_read_unlock_sched();
- if (statesold & RCUTORTURE_RDR_RCU)
+ if (statesold & RCUTORTURE_RDR_RCU) {
+ bool lockit = !statesnew && !(torture_random(trsp) & 0xffff);
+
+ if (lockit)
+ raw_spin_lock_irqsave(&current->pi_lock, flags);
cur_ops->readunlock(idxold >> RCUTORTURE_RDR_SHIFT);
+ if (lockit)
+ raw_spin_unlock_irqrestore(&current->pi_lock, flags);
+ }
/* Delay if neither beginning nor end and there was a change. */
if ((statesnew || statesold) && *readstate && newstate)
@@ -1283,6 +1378,7 @@ static bool rcu_torture_one_read(struct torture_random_state *trsp)
rcu_read_lock_bh_held() ||
rcu_read_lock_sched_held() ||
srcu_read_lock_held(srcu_ctlp) ||
+ rcu_read_lock_trace_held() ||
torturing_tasks());
if (p == NULL) {
/* Wait for rcu_torture_writer to get underway */
@@ -1444,9 +1540,9 @@ rcu_torture_stats_print(void)
atomic_long_read(&n_rcu_torture_timers));
torture_onoff_stats();
pr_cont("barrier: %ld/%ld:%ld\n",
- n_barrier_successes,
- n_barrier_attempts,
- n_rcu_torture_barrier_error);
+ data_race(n_barrier_successes),
+ data_race(n_barrier_attempts),
+ data_race(n_rcu_torture_barrier_error));
pr_alert("%s%s ", torture_type, TORTURE_FLAG);
if (atomic_read(&n_rcu_torture_mberror) ||
@@ -1536,6 +1632,7 @@ rcu_torture_print_module_parms(struct rcu_torture_ops *cur_ops, const char *tag)
"test_boost=%d/%d test_boost_interval=%d "
"test_boost_duration=%d shutdown_secs=%d "
"stall_cpu=%d stall_cpu_holdoff=%d stall_cpu_irqsoff=%d "
+ "stall_cpu_block=%d "
"n_barrier_cbs=%d "
"onoff_interval=%d onoff_holdoff=%d\n",
torture_type, tag, nrealreaders, nfakewriters,
@@ -1544,6 +1641,7 @@ rcu_torture_print_module_parms(struct rcu_torture_ops *cur_ops, const char *tag)
test_boost, cur_ops->can_boost,
test_boost_interval, test_boost_duration, shutdown_secs,
stall_cpu, stall_cpu_holdoff, stall_cpu_irqsoff,
+ stall_cpu_block,
n_barrier_cbs,
onoff_interval, onoff_holdoff);
}
@@ -1599,6 +1697,7 @@ static int rcutorture_booster_init(unsigned int cpu)
*/
static int rcu_torture_stall(void *args)
{
+ int idx;
unsigned long stop_at;
VERBOSE_TOROUT_STRING("rcu_torture_stall task started");
@@ -1607,26 +1706,37 @@ static int rcu_torture_stall(void *args)
schedule_timeout_interruptible(stall_cpu_holdoff * HZ);
VERBOSE_TOROUT_STRING("rcu_torture_stall end holdoff");
}
- if (!kthread_should_stop()) {
+ if (!kthread_should_stop() && stall_gp_kthread > 0) {
+ VERBOSE_TOROUT_STRING("rcu_torture_stall begin GP stall");
+ rcu_gp_set_torture_wait(stall_gp_kthread * HZ);
+ for (idx = 0; idx < stall_gp_kthread + 2; idx++) {
+ if (kthread_should_stop())
+ break;
+ schedule_timeout_uninterruptible(HZ);
+ }
+ }
+ if (!kthread_should_stop() && stall_cpu > 0) {
+ VERBOSE_TOROUT_STRING("rcu_torture_stall begin CPU stall");
stop_at = ktime_get_seconds() + stall_cpu;
/* RCU CPU stall is expected behavior in following code. */
- rcu_read_lock();
+ idx = cur_ops->readlock();
if (stall_cpu_irqsoff)
local_irq_disable();
- else
+ else if (!stall_cpu_block)
preempt_disable();
pr_alert("rcu_torture_stall start on CPU %d.\n",
- smp_processor_id());
+ raw_smp_processor_id());
while (ULONG_CMP_LT((unsigned long)ktime_get_seconds(),
stop_at))
- continue; /* Induce RCU CPU stall warning. */
+ if (stall_cpu_block)
+ schedule_timeout_uninterruptible(HZ);
if (stall_cpu_irqsoff)
local_irq_enable();
- else
+ else if (!stall_cpu_block)
preempt_enable();
- rcu_read_unlock();
- pr_alert("rcu_torture_stall end.\n");
+ cur_ops->readunlock(idx);
}
+ pr_alert("rcu_torture_stall end.\n");
torture_shutdown_absorb("rcu_torture_stall");
while (!kthread_should_stop())
schedule_timeout_interruptible(10 * HZ);
@@ -1636,7 +1746,7 @@ static int rcu_torture_stall(void *args)
/* Spawn CPU-stall kthread, if stall_cpu specified. */
static int __init rcu_torture_stall_init(void)
{
- if (stall_cpu <= 0)
+ if (stall_cpu <= 0 && stall_gp_kthread <= 0)
return 0;
return torture_create_kthread(rcu_torture_stall, NULL, stall_task);
}
@@ -1692,8 +1802,8 @@ struct rcu_fwd {
unsigned long rcu_launder_gp_seq_start;
};
-struct rcu_fwd *rcu_fwds;
-bool rcu_fwd_emergency_stop;
+static struct rcu_fwd *rcu_fwds;
+static bool rcu_fwd_emergency_stop;
static void rcu_torture_fwd_cb_hist(struct rcu_fwd *rfp)
{
@@ -2400,7 +2510,8 @@ rcu_torture_init(void)
int firsterr = 0;
static struct rcu_torture_ops *torture_ops[] = {
&rcu_ops, &rcu_busted_ops, &srcu_ops, &srcud_ops,
- &busted_srcud_ops, &tasks_ops, &trivial_ops,
+ &busted_srcud_ops, &tasks_ops, &tasks_rude_ops,
+ &tasks_tracing_ops, &trivial_ops,
};
if (!torture_init_begin(torture_type, verbose))
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index 0c71505f0e19..6d3ef700fb0e 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -29,6 +29,19 @@
#include "rcu.h"
#include "rcu_segcblist.h"
+#ifndef data_race
+#define data_race(expr) \
+ ({ \
+ expr; \
+ })
+#endif
+#ifndef ASSERT_EXCLUSIVE_WRITER
+#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
+#endif
+#ifndef ASSERT_EXCLUSIVE_ACCESS
+#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
+#endif
+
/* Holdoff in nanoseconds for auto-expediting. */
#define DEFAULT_SRCU_EXP_HOLDOFF (25 * 1000)
static ulong exp_holdoff = DEFAULT_SRCU_EXP_HOLDOFF;
@@ -1268,8 +1281,8 @@ void srcu_torture_stats_print(struct srcu_struct *ssp, char *tt, char *tf)
struct srcu_data *sdp;
sdp = per_cpu_ptr(ssp->sda, cpu);
- u0 = sdp->srcu_unlock_count[!idx];
- u1 = sdp->srcu_unlock_count[idx];
+ u0 = data_race(sdp->srcu_unlock_count[!idx]);
+ u1 = data_race(sdp->srcu_unlock_count[idx]);
/*
* Make sure that a lock is always counted if the corresponding
@@ -1277,8 +1290,8 @@ void srcu_torture_stats_print(struct srcu_struct *ssp, char *tt, char *tf)
*/
smp_rmb();
- l0 = sdp->srcu_lock_count[!idx];
- l1 = sdp->srcu_lock_count[idx];
+ l0 = data_race(sdp->srcu_lock_count[!idx]);
+ l1 = data_race(sdp->srcu_lock_count[idx]);
c0 = l0 - u0;
c1 = l1 - u1;
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
new file mode 100644
index 000000000000..ce23f6cc5043
--- /dev/null
+++ b/kernel/rcu/tasks.h
@@ -0,0 +1,1193 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Task-based RCU implementations.
+ *
+ * Copyright (C) 2020 Paul E. McKenney
+ */
+
+#ifdef CONFIG_TASKS_RCU_GENERIC
+
+////////////////////////////////////////////////////////////////////////
+//
+// Generic data structures.
+
+struct rcu_tasks;
+typedef void (*rcu_tasks_gp_func_t)(struct rcu_tasks *rtp);
+typedef void (*pregp_func_t)(void);
+typedef void (*pertask_func_t)(struct task_struct *t, struct list_head *hop);
+typedef void (*postscan_func_t)(struct list_head *hop);
+typedef void (*holdouts_func_t)(struct list_head *hop, bool ndrpt, bool *frptp);
+typedef void (*postgp_func_t)(struct rcu_tasks *rtp);
+
+/**
+ * Definition for a Tasks-RCU-like mechanism.
+ * @cbs_head: Head of callback list.
+ * @cbs_tail: Tail pointer for callback list.
+ * @cbs_wq: Wait queue allowning new callback to get kthread's attention.
+ * @cbs_lock: Lock protecting callback list.
+ * @kthread_ptr: This flavor's grace-period/callback-invocation kthread.
+ * @gp_func: This flavor's grace-period-wait function.
+ * @gp_state: Grace period's most recent state transition (debugging).
+ * @gp_jiffies: Time of last @gp_state transition.
+ * @gp_start: Most recent grace-period start in jiffies.
+ * @n_gps: Number of grace periods completed since boot.
+ * @n_ipis: Number of IPIs sent to encourage grace periods to end.
+ * @n_ipis_fails: Number of IPI-send failures.
+ * @pregp_func: This flavor's pre-grace-period function (optional).
+ * @pertask_func: This flavor's per-task scan function (optional).
+ * @postscan_func: This flavor's post-task scan function (optional).
+ * @holdout_func: This flavor's holdout-list scan function (optional).
+ * @postgp_func: This flavor's post-grace-period function (optional).
+ * @call_func: This flavor's call_rcu()-equivalent function.
+ * @name: This flavor's textual name.
+ * @kname: This flavor's kthread name.
+ */
+struct rcu_tasks {
+ struct rcu_head *cbs_head;
+ struct rcu_head **cbs_tail;
+ struct wait_queue_head cbs_wq;
+ raw_spinlock_t cbs_lock;
+ int gp_state;
+ unsigned long gp_jiffies;
+ unsigned long gp_start;
+ unsigned long n_gps;
+ unsigned long n_ipis;
+ unsigned long n_ipis_fails;
+ struct task_struct *kthread_ptr;
+ rcu_tasks_gp_func_t gp_func;
+ pregp_func_t pregp_func;
+ pertask_func_t pertask_func;
+ postscan_func_t postscan_func;
+ holdouts_func_t holdouts_func;
+ postgp_func_t postgp_func;
+ call_rcu_func_t call_func;
+ char *name;
+ char *kname;
+};
+
+#define DEFINE_RCU_TASKS(rt_name, gp, call, n) \
+static struct rcu_tasks rt_name = \
+{ \
+ .cbs_tail = &rt_name.cbs_head, \
+ .cbs_wq = __WAIT_QUEUE_HEAD_INITIALIZER(rt_name.cbs_wq), \
+ .cbs_lock = __RAW_SPIN_LOCK_UNLOCKED(rt_name.cbs_lock), \
+ .gp_func = gp, \
+ .call_func = call, \
+ .name = n, \
+ .kname = #rt_name, \
+}
+
+/* Track exiting tasks in order to allow them to be waited for. */
+DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu);
+
+/* Avoid IPIing CPUs early in the grace period. */
+#define RCU_TASK_IPI_DELAY (HZ / 2)
+static int rcu_task_ipi_delay __read_mostly = RCU_TASK_IPI_DELAY;
+module_param(rcu_task_ipi_delay, int, 0644);
+
+/* Control stall timeouts. Disable with <= 0, otherwise jiffies till stall. */
+#define RCU_TASK_STALL_TIMEOUT (HZ * 60 * 10)
+static int rcu_task_stall_timeout __read_mostly = RCU_TASK_STALL_TIMEOUT;
+module_param(rcu_task_stall_timeout, int, 0644);
+
+/* RCU tasks grace-period state for debugging. */
+#define RTGS_INIT 0
+#define RTGS_WAIT_WAIT_CBS 1
+#define RTGS_WAIT_GP 2
+#define RTGS_PRE_WAIT_GP 3
+#define RTGS_SCAN_TASKLIST 4
+#define RTGS_POST_SCAN_TASKLIST 5
+#define RTGS_WAIT_SCAN_HOLDOUTS 6
+#define RTGS_SCAN_HOLDOUTS 7
+#define RTGS_POST_GP 8
+#define RTGS_WAIT_READERS 9
+#define RTGS_INVOKE_CBS 10
+#define RTGS_WAIT_CBS 11
+static const char * const rcu_tasks_gp_state_names[] = {
+ "RTGS_INIT",
+ "RTGS_WAIT_WAIT_CBS",
+ "RTGS_WAIT_GP",
+ "RTGS_PRE_WAIT_GP",
+ "RTGS_SCAN_TASKLIST",
+ "RTGS_POST_SCAN_TASKLIST",
+ "RTGS_WAIT_SCAN_HOLDOUTS",
+ "RTGS_SCAN_HOLDOUTS",
+ "RTGS_POST_GP",
+ "RTGS_WAIT_READERS",
+ "RTGS_INVOKE_CBS",
+ "RTGS_WAIT_CBS",
+};
+
+////////////////////////////////////////////////////////////////////////
+//
+// Generic code.
+
+/* Record grace-period phase and time. */
+static void set_tasks_gp_state(struct rcu_tasks *rtp, int newstate)
+{
+ rtp->gp_state = newstate;
+ rtp->gp_jiffies = jiffies;
+}
+
+/* Return state name. */
+static const char *tasks_gp_state_getname(struct rcu_tasks *rtp)
+{
+ int i = data_race(rtp->gp_state); // Let KCSAN detect update races
+ int j = READ_ONCE(i); // Prevent the compiler from reading twice
+
+ if (j >= ARRAY_SIZE(rcu_tasks_gp_state_names))
+ return "???";
+ return rcu_tasks_gp_state_names[j];
+}
+
+// Enqueue a callback for the specified flavor of Tasks RCU.
+static void call_rcu_tasks_generic(struct rcu_head *rhp, rcu_callback_t func,
+ struct rcu_tasks *rtp)
+{
+ unsigned long flags;
+ bool needwake;
+
+ rhp->next = NULL;
+ rhp->func = func;
+ raw_spin_lock_irqsave(&rtp->cbs_lock, flags);
+ needwake = !rtp->cbs_head;
+ WRITE_ONCE(*rtp->cbs_tail, rhp);
+ rtp->cbs_tail = &rhp->next;
+ raw_spin_unlock_irqrestore(&rtp->cbs_lock, flags);
+ /* We can't create the thread unless interrupts are enabled. */
+ if (needwake && READ_ONCE(rtp->kthread_ptr))
+ wake_up(&rtp->cbs_wq);
+}
+
+// Wait for a grace period for the specified flavor of Tasks RCU.
+static void synchronize_rcu_tasks_generic(struct rcu_tasks *rtp)
+{
+ /* Complain if the scheduler has not started. */
+ RCU_LOCKDEP_WARN(rcu_scheduler_active == RCU_SCHEDULER_INACTIVE,
+ "synchronize_rcu_tasks called too soon");
+
+ /* Wait for the grace period. */
+ wait_rcu_gp(rtp->call_func);
+}
+
+/* RCU-tasks kthread that detects grace periods and invokes callbacks. */
+static int __noreturn rcu_tasks_kthread(void *arg)
+{
+ unsigned long flags;
+ struct rcu_head *list;
+ struct rcu_head *next;
+ struct rcu_tasks *rtp = arg;
+
+ /* Run on housekeeping CPUs by default. Sysadm can move if desired. */
+ housekeeping_affine(current, HK_FLAG_RCU);
+ WRITE_ONCE(rtp->kthread_ptr, current); // Let GPs start!
+
+ /*
+ * Each pass through the following loop makes one check for
+ * newly arrived callbacks, and, if there are some, waits for
+ * one RCU-tasks grace period and then invokes the callbacks.
+ * This loop is terminated by the system going down. ;-)
+ */
+ for (;;) {
+
+ /* Pick up any new callbacks. */
+ raw_spin_lock_irqsave(&rtp->cbs_lock, flags);
+ smp_mb__after_spinlock(); // Order updates vs. GP.
+ list = rtp->cbs_head;
+ rtp->cbs_head = NULL;
+ rtp->cbs_tail = &rtp->cbs_head;
+ raw_spin_unlock_irqrestore(&rtp->cbs_lock, flags);
+
+ /* If there were none, wait a bit and start over. */
+ if (!list) {
+ wait_event_interruptible(rtp->cbs_wq,
+ READ_ONCE(rtp->cbs_head));
+ if (!rtp->cbs_head) {
+ WARN_ON(signal_pending(current));
+ set_tasks_gp_state(rtp, RTGS_WAIT_WAIT_CBS);
+ schedule_timeout_interruptible(HZ/10);
+ }
+ continue;
+ }
+
+ // Wait for one grace period.
+ set_tasks_gp_state(rtp, RTGS_WAIT_GP);
+ rtp->gp_start = jiffies;
+ rtp->gp_func(rtp);
+ rtp->n_gps++;
+
+ /* Invoke the callbacks. */
+ set_tasks_gp_state(rtp, RTGS_INVOKE_CBS);
+ while (list) {
+ next = list->next;
+ local_bh_disable();
+ list->func(list);
+ local_bh_enable();
+ list = next;
+ cond_resched();
+ }
+ /* Paranoid sleep to keep this from entering a tight loop */
+ schedule_timeout_uninterruptible(HZ/10);
+
+ set_tasks_gp_state(rtp, RTGS_WAIT_CBS);
+ }
+}
+
+/* Spawn RCU-tasks grace-period kthread, e.g., at core_initcall() time. */
+static void __init rcu_spawn_tasks_kthread_generic(struct rcu_tasks *rtp)
+{
+ struct task_struct *t;
+
+ t = kthread_run(rcu_tasks_kthread, rtp, "%s_kthread", rtp->kname);
+ if (WARN_ONCE(IS_ERR(t), "%s: Could not start %s grace-period kthread, OOM is now expected behavior\n", __func__, rtp->name))
+ return;
+ smp_mb(); /* Ensure others see full kthread. */
+}
+
+#ifndef CONFIG_TINY_RCU
+
+/*
+ * Print any non-default Tasks RCU settings.
+ */
+static void __init rcu_tasks_bootup_oddness(void)
+{
+#if defined(CONFIG_TASKS_RCU) || defined(CONFIG_TASKS_TRACE_RCU)
+ if (rcu_task_stall_timeout != RCU_TASK_STALL_TIMEOUT)
+ pr_info("\tTasks-RCU CPU stall warnings timeout set to %d (rcu_task_stall_timeout).\n", rcu_task_stall_timeout);
+#endif /* #ifdef CONFIG_TASKS_RCU */
+#ifdef CONFIG_TASKS_RCU
+ pr_info("\tTrampoline variant of Tasks RCU enabled.\n");
+#endif /* #ifdef CONFIG_TASKS_RCU */
+#ifdef CONFIG_TASKS_RUDE_RCU
+ pr_info("\tRude variant of Tasks RCU enabled.\n");
+#endif /* #ifdef CONFIG_TASKS_RUDE_RCU */
+#ifdef CONFIG_TASKS_TRACE_RCU
+ pr_info("\tTracing variant of Tasks RCU enabled.\n");
+#endif /* #ifdef CONFIG_TASKS_TRACE_RCU */
+}
+
+#endif /* #ifndef CONFIG_TINY_RCU */
+
+/* Dump out rcutorture-relevant state common to all RCU-tasks flavors. */
+static void show_rcu_tasks_generic_gp_kthread(struct rcu_tasks *rtp, char *s)
+{
+ pr_info("%s: %s(%d) since %lu g:%lu i:%lu/%lu %c%c %s\n",
+ rtp->kname,
+ tasks_gp_state_getname(rtp), data_race(rtp->gp_state),
+ jiffies - data_race(rtp->gp_jiffies),
+ data_race(rtp->n_gps),
+ data_race(rtp->n_ipis_fails), data_race(rtp->n_ipis),
+ ".k"[!!data_race(rtp->kthread_ptr)],
+ ".C"[!!data_race(rtp->cbs_head)],
+ s);
+}
+
+static void exit_tasks_rcu_finish_trace(struct task_struct *t);
+
+#if defined(CONFIG_TASKS_RCU) || defined(CONFIG_TASKS_TRACE_RCU)
+
+////////////////////////////////////////////////////////////////////////
+//
+// Shared code between task-list-scanning variants of Tasks RCU.
+
+/* Wait for one RCU-tasks grace period. */
+static void rcu_tasks_wait_gp(struct rcu_tasks *rtp)
+{
+ struct task_struct *g, *t;
+ unsigned long lastreport;
+ LIST_HEAD(holdouts);
+ int fract;
+
+ set_tasks_gp_state(rtp, RTGS_PRE_WAIT_GP);
+ rtp->pregp_func();
+
+ /*
+ * There were callbacks, so we need to wait for an RCU-tasks
+ * grace period. Start off by scanning the task list for tasks
+ * that are not already voluntarily blocked. Mark these tasks
+ * and make a list of them in holdouts.
+ */
+ set_tasks_gp_state(rtp, RTGS_SCAN_TASKLIST);
+ rcu_read_lock();
+ for_each_process_thread(g, t)
+ rtp->pertask_func(t, &holdouts);
+ rcu_read_unlock();
+
+ set_tasks_gp_state(rtp, RTGS_POST_SCAN_TASKLIST);
+ rtp->postscan_func(&holdouts);
+
+ /*
+ * Each pass through the following loop scans the list of holdout
+ * tasks, removing any that are no longer holdouts. When the list
+ * is empty, we are done.
+ */
+ lastreport = jiffies;
+
+ /* Start off with HZ/10 wait and slowly back off to 1 HZ wait. */
+ fract = 10;
+
+ for (;;) {
+ bool firstreport;
+ bool needreport;
+ int rtst;
+
+ if (list_empty(&holdouts))
+ break;
+
+ /* Slowly back off waiting for holdouts */
+ set_tasks_gp_state(rtp, RTGS_WAIT_SCAN_HOLDOUTS);
+ schedule_timeout_interruptible(HZ/fract);
+
+ if (fract > 1)
+ fract--;
+
+ rtst = READ_ONCE(rcu_task_stall_timeout);
+ needreport = rtst > 0 && time_after(jiffies, lastreport + rtst);
+ if (needreport)
+ lastreport = jiffies;
+ firstreport = true;
+ WARN_ON(signal_pending(current));
+ set_tasks_gp_state(rtp, RTGS_SCAN_HOLDOUTS);
+ rtp->holdouts_func(&holdouts, needreport, &firstreport);
+ }
+
+ set_tasks_gp_state(rtp, RTGS_POST_GP);
+ rtp->postgp_func(rtp);
+}
+
+#endif /* #if defined(CONFIG_TASKS_RCU) || defined(CONFIG_TASKS_TRACE_RCU) */
+
+#ifdef CONFIG_TASKS_RCU
+
+////////////////////////////////////////////////////////////////////////
+//
+// Simple variant of RCU whose quiescent states are voluntary context
+// switch, cond_resched_rcu_qs(), user-space execution, and idle.
+// As such, grace periods can take one good long time. There are no
+// read-side primitives similar to rcu_read_lock() and rcu_read_unlock()
+// because this implementation is intended to get the system into a safe
+// state for some of the manipulations involved in tracing and the like.
+// Finally, this implementation does not support high call_rcu_tasks()
+// rates from multiple CPUs. If this is required, per-CPU callback lists
+// will be needed.
+
+/* Pre-grace-period preparation. */
+static void rcu_tasks_pregp_step(void)
+{
+ /*
+ * Wait for all pre-existing t->on_rq and t->nvcsw transitions
+ * to complete. Invoking synchronize_rcu() suffices because all
+ * these transitions occur with interrupts disabled. Without this
+ * synchronize_rcu(), a read-side critical section that started
+ * before the grace period might be incorrectly seen as having
+ * started after the grace period.
+ *
+ * This synchronize_rcu() also dispenses with the need for a
+ * memory barrier on the first store to t->rcu_tasks_holdout,
+ * as it forces the store to happen after the beginning of the
+ * grace period.
+ */
+ synchronize_rcu();
+}
+
+/* Per-task initial processing. */
+static void rcu_tasks_pertask(struct task_struct *t, struct list_head *hop)
+{
+ if (t != current && READ_ONCE(t->on_rq) && !is_idle_task(t)) {
+ get_task_struct(t);
+ t->rcu_tasks_nvcsw = READ_ONCE(t->nvcsw);
+ WRITE_ONCE(t->rcu_tasks_holdout, true);
+ list_add(&t->rcu_tasks_holdout_list, hop);
+ }
+}
+
+/* Processing between scanning taskslist and draining the holdout list. */
+void rcu_tasks_postscan(struct list_head *hop)
+{
+ /*
+ * Wait for tasks that are in the process of exiting. This
+ * does only part of the job, ensuring that all tasks that were
+ * previously exiting reach the point where they have disabled
+ * preemption, allowing the later synchronize_rcu() to finish
+ * the job.
+ */
+ synchronize_srcu(&tasks_rcu_exit_srcu);
+}
+
+/* See if tasks are still holding out, complain if so. */
+static void check_holdout_task(struct task_struct *t,
+ bool needreport, bool *firstreport)
+{
+ int cpu;
+
+ if (!READ_ONCE(t->rcu_tasks_holdout) ||
+ t->rcu_tasks_nvcsw != READ_ONCE(t->nvcsw) ||
+ !READ_ONCE(t->on_rq) ||
+ (IS_ENABLED(CONFIG_NO_HZ_FULL) &&
+ !is_idle_task(t) && t->rcu_tasks_idle_cpu >= 0)) {
+ WRITE_ONCE(t->rcu_tasks_holdout, false);
+ list_del_init(&t->rcu_tasks_holdout_list);
+ put_task_struct(t);
+ return;
+ }
+ rcu_request_urgent_qs_task(t);
+ if (!needreport)
+ return;
+ if (*firstreport) {
+ pr_err("INFO: rcu_tasks detected stalls on tasks:\n");
+ *firstreport = false;
+ }
+ cpu = task_cpu(t);
+ pr_alert("%p: %c%c nvcsw: %lu/%lu holdout: %d idle_cpu: %d/%d\n",
+ t, ".I"[is_idle_task(t)],
+ "N."[cpu < 0 || !tick_nohz_full_cpu(cpu)],
+ t->rcu_tasks_nvcsw, t->nvcsw, t->rcu_tasks_holdout,
+ t->rcu_tasks_idle_cpu, cpu);
+ sched_show_task(t);
+}
+
+/* Scan the holdout lists for tasks no longer holding out. */
+static void check_all_holdout_tasks(struct list_head *hop,
+ bool needreport, bool *firstreport)
+{
+ struct task_struct *t, *t1;
+
+ list_for_each_entry_safe(t, t1, hop, rcu_tasks_holdout_list) {
+ check_holdout_task(t, needreport, firstreport);
+ cond_resched();
+ }
+}
+
+/* Finish off the Tasks-RCU grace period. */
+static void rcu_tasks_postgp(struct rcu_tasks *rtp)
+{
+ /*
+ * Because ->on_rq and ->nvcsw are not guaranteed to have a full
+ * memory barriers prior to them in the schedule() path, memory
+ * reordering on other CPUs could cause their RCU-tasks read-side
+ * critical sections to extend past the end of the grace period.
+ * However, because these ->nvcsw updates are carried out with
+ * interrupts disabled, we can use synchronize_rcu() to force the
+ * needed ordering on all such CPUs.
+ *
+ * This synchronize_rcu() also confines all ->rcu_tasks_holdout
+ * accesses to be within the grace period, avoiding the need for
+ * memory barriers for ->rcu_tasks_holdout accesses.
+ *
+ * In addition, this synchronize_rcu() waits for exiting tasks
+ * to complete their final preempt_disable() region of execution,
+ * cleaning up after the synchronize_srcu() above.
+ */
+ synchronize_rcu();
+}
+
+void call_rcu_tasks(struct rcu_head *rhp, rcu_callback_t func);
+DEFINE_RCU_TASKS(rcu_tasks, rcu_tasks_wait_gp, call_rcu_tasks, "RCU Tasks");
+
+/**
+ * call_rcu_tasks() - Queue an RCU for invocation task-based grace period
+ * @rhp: structure to be used for queueing the RCU updates.
+ * @func: actual callback function to be invoked after the grace period
+ *
+ * The callback function will be invoked some time after a full grace
+ * period elapses, in other words after all currently executing RCU
+ * read-side critical sections have completed. call_rcu_tasks() assumes
+ * that the read-side critical sections end at a voluntary context
+ * switch (not a preemption!), cond_resched_rcu_qs(), entry into idle,
+ * or transition to usermode execution. As such, there are no read-side
+ * primitives analogous to rcu_read_lock() and rcu_read_unlock() because
+ * this primitive is intended to determine that all tasks have passed
+ * through a safe state, not so much for data-strcuture synchronization.
+ *
+ * See the description of call_rcu() for more detailed information on
+ * memory ordering guarantees.
+ */
+void call_rcu_tasks(struct rcu_head *rhp, rcu_callback_t func)
+{
+ call_rcu_tasks_generic(rhp, func, &rcu_tasks);
+}
+EXPORT_SYMBOL_GPL(call_rcu_tasks);
+
+/**
+ * synchronize_rcu_tasks - wait until an rcu-tasks grace period has elapsed.
+ *
+ * Control will return to the caller some time after a full rcu-tasks
+ * grace period has elapsed, in other words after all currently
+ * executing rcu-tasks read-side critical sections have elapsed. These
+ * read-side critical sections are delimited by calls to schedule(),
+ * cond_resched_tasks_rcu_qs(), idle execution, userspace execution, calls
+ * to synchronize_rcu_tasks(), and (in theory, anyway) cond_resched().
+ *
+ * This is a very specialized primitive, intended only for a few uses in
+ * tracing and other situations requiring manipulation of function
+ * preambles and profiling hooks. The synchronize_rcu_tasks() function
+ * is not (yet) intended for heavy use from multiple CPUs.
+ *
+ * See the description of synchronize_rcu() for more detailed information
+ * on memory ordering guarantees.
+ */
+void synchronize_rcu_tasks(void)
+{
+ synchronize_rcu_tasks_generic(&rcu_tasks);
+}
+EXPORT_SYMBOL_GPL(synchronize_rcu_tasks);
+
+/**
+ * rcu_barrier_tasks - Wait for in-flight call_rcu_tasks() callbacks.
+ *
+ * Although the current implementation is guaranteed to wait, it is not
+ * obligated to, for example, if there are no pending callbacks.
+ */
+void rcu_barrier_tasks(void)
+{
+ /* There is only one callback queue, so this is easy. ;-) */
+ synchronize_rcu_tasks();
+}
+EXPORT_SYMBOL_GPL(rcu_barrier_tasks);
+
+static int __init rcu_spawn_tasks_kthread(void)
+{
+ rcu_tasks.pregp_func = rcu_tasks_pregp_step;
+ rcu_tasks.pertask_func = rcu_tasks_pertask;
+ rcu_tasks.postscan_func = rcu_tasks_postscan;
+ rcu_tasks.holdouts_func = check_all_holdout_tasks;
+ rcu_tasks.postgp_func = rcu_tasks_postgp;
+ rcu_spawn_tasks_kthread_generic(&rcu_tasks);
+ return 0;
+}
+core_initcall(rcu_spawn_tasks_kthread);
+
+static void show_rcu_tasks_classic_gp_kthread(void)
+{
+ show_rcu_tasks_generic_gp_kthread(&rcu_tasks, "");
+}
+
+/* Do the srcu_read_lock() for the above synchronize_srcu(). */
+void exit_tasks_rcu_start(void) __acquires(&tasks_rcu_exit_srcu)
+{
+ preempt_disable();
+ current->rcu_tasks_idx = __srcu_read_lock(&tasks_rcu_exit_srcu);
+ preempt_enable();
+}
+
+/* Do the srcu_read_unlock() for the above synchronize_srcu(). */
+void exit_tasks_rcu_finish(void) __releases(&tasks_rcu_exit_srcu)
+{
+ struct task_struct *t = current;
+
+ preempt_disable();
+ __srcu_read_unlock(&tasks_rcu_exit_srcu, t->rcu_tasks_idx);
+ preempt_enable();
+ exit_tasks_rcu_finish_trace(t);
+}
+
+#else /* #ifdef CONFIG_TASKS_RCU */
+static void show_rcu_tasks_classic_gp_kthread(void) { }
+void exit_tasks_rcu_start(void) { }
+void exit_tasks_rcu_finish(void) { exit_tasks_rcu_finish_trace(current); }
+#endif /* #else #ifdef CONFIG_TASKS_RCU */
+
+#ifdef CONFIG_TASKS_RUDE_RCU
+
+////////////////////////////////////////////////////////////////////////
+//
+// "Rude" variant of Tasks RCU, inspired by Steve Rostedt's trick of
+// passing an empty function to schedule_on_each_cpu(). This approach
+// provides an asynchronous call_rcu_tasks_rude() API and batching
+// of concurrent calls to the synchronous synchronize_rcu_rude() API.
+// This sends IPIs far and wide and induces otherwise unnecessary context
+// switches on all online CPUs, whether idle or not.
+
+// Empty function to allow workqueues to force a context switch.
+static void rcu_tasks_be_rude(struct work_struct *work)
+{
+}
+
+// Wait for one rude RCU-tasks grace period.
+static void rcu_tasks_rude_wait_gp(struct rcu_tasks *rtp)
+{
+ rtp->n_ipis += cpumask_weight(cpu_online_mask);
+ schedule_on_each_cpu(rcu_tasks_be_rude);
+}
+
+void call_rcu_tasks_rude(struct rcu_head *rhp, rcu_callback_t func);
+DEFINE_RCU_TASKS(rcu_tasks_rude, rcu_tasks_rude_wait_gp, call_rcu_tasks_rude,
+ "RCU Tasks Rude");
+
+/**
+ * call_rcu_tasks_rude() - Queue a callback rude task-based grace period
+ * @rhp: structure to be used for queueing the RCU updates.
+ * @func: actual callback function to be invoked after the grace period
+ *
+ * The callback function will be invoked some time after a full grace
+ * period elapses, in other words after all currently executing RCU
+ * read-side critical sections have completed. call_rcu_tasks_rude()
+ * assumes that the read-side critical sections end at context switch,
+ * cond_resched_rcu_qs(), or transition to usermode execution. As such,
+ * there are no read-side primitives analogous to rcu_read_lock() and
+ * rcu_read_unlock() because this primitive is intended to determine
+ * that all tasks have passed through a safe state, not so much for
+ * data-strcuture synchronization.
+ *
+ * See the description of call_rcu() for more detailed information on
+ * memory ordering guarantees.
+ */
+void call_rcu_tasks_rude(struct rcu_head *rhp, rcu_callback_t func)
+{
+ call_rcu_tasks_generic(rhp, func, &rcu_tasks_rude);
+}
+EXPORT_SYMBOL_GPL(call_rcu_tasks_rude);
+
+/**
+ * synchronize_rcu_tasks_rude - wait for a rude rcu-tasks grace period
+ *
+ * Control will return to the caller some time after a rude rcu-tasks
+ * grace period has elapsed, in other words after all currently
+ * executing rcu-tasks read-side critical sections have elapsed. These
+ * read-side critical sections are delimited by calls to schedule(),
+ * cond_resched_tasks_rcu_qs(), userspace execution, and (in theory,
+ * anyway) cond_resched().
+ *
+ * This is a very specialized primitive, intended only for a few uses in
+ * tracing and other situations requiring manipulation of function preambles
+ * and profiling hooks. The synchronize_rcu_tasks_rude() function is not
+ * (yet) intended for heavy use from multiple CPUs.
+ *
+ * See the description of synchronize_rcu() for more detailed information
+ * on memory ordering guarantees.
+ */
+void synchronize_rcu_tasks_rude(void)
+{
+ synchronize_rcu_tasks_generic(&rcu_tasks_rude);
+}
+EXPORT_SYMBOL_GPL(synchronize_rcu_tasks_rude);
+
+/**
+ * rcu_barrier_tasks_rude - Wait for in-flight call_rcu_tasks_rude() callbacks.
+ *
+ * Although the current implementation is guaranteed to wait, it is not
+ * obligated to, for example, if there are no pending callbacks.
+ */
+void rcu_barrier_tasks_rude(void)
+{
+ /* There is only one callback queue, so this is easy. ;-) */
+ synchronize_rcu_tasks_rude();
+}
+EXPORT_SYMBOL_GPL(rcu_barrier_tasks_rude);
+
+static int __init rcu_spawn_tasks_rude_kthread(void)
+{
+ rcu_spawn_tasks_kthread_generic(&rcu_tasks_rude);
+ return 0;
+}
+core_initcall(rcu_spawn_tasks_rude_kthread);
+
+static void show_rcu_tasks_rude_gp_kthread(void)
+{
+ show_rcu_tasks_generic_gp_kthread(&rcu_tasks_rude, "");
+}
+
+#else /* #ifdef CONFIG_TASKS_RUDE_RCU */
+static void show_rcu_tasks_rude_gp_kthread(void) {}
+#endif /* #else #ifdef CONFIG_TASKS_RUDE_RCU */
+
+////////////////////////////////////////////////////////////////////////
+//
+// Tracing variant of Tasks RCU. This variant is designed to be used
+// to protect tracing hooks, including those of BPF. This variant
+// therefore:
+//
+// 1. Has explicit read-side markers to allow finite grace periods
+// in the face of in-kernel loops for PREEMPT=n builds.
+//
+// 2. Protects code in the idle loop, exception entry/exit, and
+// CPU-hotplug code paths, similar to the capabilities of SRCU.
+//
+// 3. Avoids expensive read-side instruction, having overhead similar
+// to that of Preemptible RCU.
+//
+// There are of course downsides. The grace-period code can send IPIs to
+// CPUs, even when those CPUs are in the idle loop or in nohz_full userspace.
+// It is necessary to scan the full tasklist, much as for Tasks RCU. There
+// is a single callback queue guarded by a single lock, again, much as for
+// Tasks RCU. If needed, these downsides can be at least partially remedied.
+//
+// Perhaps most important, this variant of RCU does not affect the vanilla
+// flavors, rcu_preempt and rcu_sched. The fact that RCU Tasks Trace
+// readers can operate from idle, offline, and exception entry/exit in no
+// way allows rcu_preempt and rcu_sched readers to also do so.
+
+// The lockdep state must be outside of #ifdef to be useful.
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+static struct lock_class_key rcu_lock_trace_key;
+struct lockdep_map rcu_trace_lock_map =
+ STATIC_LOCKDEP_MAP_INIT("rcu_read_lock_trace", &rcu_lock_trace_key);
+EXPORT_SYMBOL_GPL(rcu_trace_lock_map);
+#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+
+#ifdef CONFIG_TASKS_TRACE_RCU
+
+atomic_t trc_n_readers_need_end; // Number of waited-for readers.
+DECLARE_WAIT_QUEUE_HEAD(trc_wait); // List of holdout tasks.
+
+// Record outstanding IPIs to each CPU. No point in sending two...
+static DEFINE_PER_CPU(bool, trc_ipi_to_cpu);
+
+// The number of detections of task quiescent state relying on
+// heavyweight readers executing explicit memory barriers.
+unsigned long n_heavy_reader_attempts;
+unsigned long n_heavy_reader_updates;
+unsigned long n_heavy_reader_ofl_updates;
+
+void call_rcu_tasks_trace(struct rcu_head *rhp, rcu_callback_t func);
+DEFINE_RCU_TASKS(rcu_tasks_trace, rcu_tasks_wait_gp, call_rcu_tasks_trace,
+ "RCU Tasks Trace");
+
+/*
+ * This irq_work handler allows rcu_read_unlock_trace() to be invoked
+ * while the scheduler locks are held.
+ */
+static void rcu_read_unlock_iw(struct irq_work *iwp)
+{
+ wake_up(&trc_wait);
+}
+static DEFINE_IRQ_WORK(rcu_tasks_trace_iw, rcu_read_unlock_iw);
+
+/* If we are the last reader, wake up the grace-period kthread. */
+void rcu_read_unlock_trace_special(struct task_struct *t, int nesting)
+{
+ int nq = t->trc_reader_special.b.need_qs;
+
+ if (IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB) &&
+ t->trc_reader_special.b.need_mb)
+ smp_mb(); // Pairs with update-side barriers.
+ // Update .need_qs before ->trc_reader_nesting for irq/NMI handlers.
+ if (nq)
+ WRITE_ONCE(t->trc_reader_special.b.need_qs, false);
+ WRITE_ONCE(t->trc_reader_nesting, nesting);
+ if (nq && atomic_dec_and_test(&trc_n_readers_need_end))
+ irq_work_queue(&rcu_tasks_trace_iw);
+}
+EXPORT_SYMBOL_GPL(rcu_read_unlock_trace_special);
+
+/* Add a task to the holdout list, if it is not already on the list. */
+static void trc_add_holdout(struct task_struct *t, struct list_head *bhp)
+{
+ if (list_empty(&t->trc_holdout_list)) {
+ get_task_struct(t);
+ list_add(&t->trc_holdout_list, bhp);
+ }
+}
+
+/* Remove a task from the holdout list, if it is in fact present. */
+static void trc_del_holdout(struct task_struct *t)
+{
+ if (!list_empty(&t->trc_holdout_list)) {
+ list_del_init(&t->trc_holdout_list);
+ put_task_struct(t);
+ }
+}
+
+/* IPI handler to check task state. */
+static void trc_read_check_handler(void *t_in)
+{
+ struct task_struct *t = current;
+ struct task_struct *texp = t_in;
+
+ // If the task is no longer running on this CPU, leave.
+ if (unlikely(texp != t)) {
+ if (WARN_ON_ONCE(atomic_dec_and_test(&trc_n_readers_need_end)))
+ wake_up(&trc_wait);
+ goto reset_ipi; // Already on holdout list, so will check later.
+ }
+
+ // If the task is not in a read-side critical section, and
+ // if this is the last reader, awaken the grace-period kthread.
+ if (likely(!t->trc_reader_nesting)) {
+ if (WARN_ON_ONCE(atomic_dec_and_test(&trc_n_readers_need_end)))
+ wake_up(&trc_wait);
+ // Mark as checked after decrement to avoid false
+ // positives on the above WARN_ON_ONCE().
+ WRITE_ONCE(t->trc_reader_checked, true);
+ goto reset_ipi;
+ }
+ WRITE_ONCE(t->trc_reader_checked, true);
+
+ // Get here if the task is in a read-side critical section. Set
+ // its state so that it will awaken the grace-period kthread upon
+ // exit from that critical section.
+ WARN_ON_ONCE(t->trc_reader_special.b.need_qs);
+ WRITE_ONCE(t->trc_reader_special.b.need_qs, true);
+
+reset_ipi:
+ // Allow future IPIs to be sent on CPU and for task.
+ // Also order this IPI handler against any later manipulations of
+ // the intended task.
+ smp_store_release(&per_cpu(trc_ipi_to_cpu, smp_processor_id()), false); // ^^^
+ smp_store_release(&texp->trc_ipi_to_cpu, -1); // ^^^
+}
+
+/* Callback function for scheduler to check locked-down task. */
+static bool trc_inspect_reader(struct task_struct *t, void *arg)
+{
+ int cpu = task_cpu(t);
+ bool in_qs = false;
+ bool ofl = cpu_is_offline(cpu);
+
+ if (task_curr(t)) {
+ WARN_ON_ONCE(ofl & !is_idle_task(t));
+
+ // If no chance of heavyweight readers, do it the hard way.
+ if (!ofl && !IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB))
+ return false;
+
+ // If heavyweight readers are enabled on the remote task,
+ // we can inspect its state despite its currently running.
+ // However, we cannot safely change its state.
+ n_heavy_reader_attempts++;
+ if (!ofl && // Check for "running" idle tasks on offline CPUs.
+ !rcu_dynticks_zero_in_eqs(cpu, &t->trc_reader_nesting))
+ return false; // No quiescent state, do it the hard way.
+ n_heavy_reader_updates++;
+ if (ofl)
+ n_heavy_reader_ofl_updates++;
+ in_qs = true;
+ } else {
+ in_qs = likely(!t->trc_reader_nesting);
+ }
+
+ // Mark as checked. Because this is called from the grace-period
+ // kthread, also remove the task from the holdout list.
+ t->trc_reader_checked = true;
+ trc_del_holdout(t);
+
+ if (in_qs)
+ return true; // Already in quiescent state, done!!!
+
+ // The task is in a read-side critical section, so set up its
+ // state so that it will awaken the grace-period kthread upon exit
+ // from that critical section.
+ atomic_inc(&trc_n_readers_need_end); // One more to wait on.
+ WARN_ON_ONCE(t->trc_reader_special.b.need_qs);
+ WRITE_ONCE(t->trc_reader_special.b.need_qs, true);
+ return true;
+}
+
+/* Attempt to extract the state for the specified task. */
+static void trc_wait_for_one_reader(struct task_struct *t,
+ struct list_head *bhp)
+{
+ int cpu;
+
+ // If a previous IPI is still in flight, let it complete.
+ if (smp_load_acquire(&t->trc_ipi_to_cpu) != -1) // Order IPI
+ return;
+
+ // The current task had better be in a quiescent state.
+ if (t == current) {
+ t->trc_reader_checked = true;
+ trc_del_holdout(t);
+ WARN_ON_ONCE(t->trc_reader_nesting);
+ return;
+ }
+
+ // Attempt to nail down the task for inspection.
+ get_task_struct(t);
+ if (try_invoke_on_locked_down_task(t, trc_inspect_reader, NULL)) {
+ put_task_struct(t);
+ return;
+ }
+ put_task_struct(t);
+
+ // If currently running, send an IPI, either way, add to list.
+ trc_add_holdout(t, bhp);
+ if (task_curr(t) && time_after(jiffies, rcu_tasks_trace.gp_start + rcu_task_ipi_delay)) {
+ // The task is currently running, so try IPIing it.
+ cpu = task_cpu(t);
+
+ // If there is already an IPI outstanding, let it happen.
+ if (per_cpu(trc_ipi_to_cpu, cpu) || t->trc_ipi_to_cpu >= 0)
+ return;
+
+ atomic_inc(&trc_n_readers_need_end);
+ per_cpu(trc_ipi_to_cpu, cpu) = true;
+ t->trc_ipi_to_cpu = cpu;
+ rcu_tasks_trace.n_ipis++;
+ if (smp_call_function_single(cpu,
+ trc_read_check_handler, t, 0)) {
+ // Just in case there is some other reason for
+ // failure than the target CPU being offline.
+ rcu_tasks_trace.n_ipis_fails++;
+ per_cpu(trc_ipi_to_cpu, cpu) = false;
+ t->trc_ipi_to_cpu = cpu;
+ if (atomic_dec_and_test(&trc_n_readers_need_end)) {
+ WARN_ON_ONCE(1);
+ wake_up(&trc_wait);
+ }
+ }
+ }
+}
+
+/* Initialize for a new RCU-tasks-trace grace period. */
+static void rcu_tasks_trace_pregp_step(void)
+{
+ int cpu;
+
+ // Allow for fast-acting IPIs.
+ atomic_set(&trc_n_readers_need_end, 1);
+
+ // There shouldn't be any old IPIs, but...
+ for_each_possible_cpu(cpu)
+ WARN_ON_ONCE(per_cpu(trc_ipi_to_cpu, cpu));
+
+ // Disable CPU hotplug across the tasklist scan.
+ // This also waits for all readers in CPU-hotplug code paths.
+ cpus_read_lock();
+}
+
+/* Do first-round processing for the specified task. */
+static void rcu_tasks_trace_pertask(struct task_struct *t,
+ struct list_head *hop)
+{
+ WRITE_ONCE(t->trc_reader_special.b.need_qs, false);
+ WRITE_ONCE(t->trc_reader_checked, false);
+ t->trc_ipi_to_cpu = -1;
+ trc_wait_for_one_reader(t, hop);
+}
+
+/*
+ * Do intermediate processing between task and holdout scans and
+ * pick up the idle tasks.
+ */
+static void rcu_tasks_trace_postscan(struct list_head *hop)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ rcu_tasks_trace_pertask(idle_task(cpu), hop);
+
+ // Re-enable CPU hotplug now that the tasklist scan has completed.
+ cpus_read_unlock();
+
+ // Wait for late-stage exiting tasks to finish exiting.
+ // These might have passed the call to exit_tasks_rcu_finish().
+ synchronize_rcu();
+ // Any tasks that exit after this point will set ->trc_reader_checked.
+}
+
+/* Show the state of a task stalling the current RCU tasks trace GP. */
+static void show_stalled_task_trace(struct task_struct *t, bool *firstreport)
+{
+ int cpu;
+
+ if (*firstreport) {
+ pr_err("INFO: rcu_tasks_trace detected stalls on tasks:\n");
+ *firstreport = false;
+ }
+ // FIXME: This should attempt to use try_invoke_on_nonrunning_task().
+ cpu = task_cpu(t);
+ pr_alert("P%d: %c%c%c nesting: %d%c cpu: %d\n",
+ t->pid,
+ ".I"[READ_ONCE(t->trc_ipi_to_cpu) > 0],
+ ".i"[is_idle_task(t)],
+ ".N"[cpu > 0 && tick_nohz_full_cpu(cpu)],
+ t->trc_reader_nesting,
+ " N"[!!t->trc_reader_special.b.need_qs],
+ cpu);
+ sched_show_task(t);
+}
+
+/* List stalled IPIs for RCU tasks trace. */
+static void show_stalled_ipi_trace(void)
+{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ if (per_cpu(trc_ipi_to_cpu, cpu))
+ pr_alert("\tIPI outstanding to CPU %d\n", cpu);
+}
+
+/* Do one scan of the holdout list. */
+static void check_all_holdout_tasks_trace(struct list_head *hop,
+ bool needreport, bool *firstreport)
+{
+ struct task_struct *g, *t;
+
+ // Disable CPU hotplug across the holdout list scan.
+ cpus_read_lock();
+
+ list_for_each_entry_safe(t, g, hop, trc_holdout_list) {
+ // If safe and needed, try to check the current task.
+ if (READ_ONCE(t->trc_ipi_to_cpu) == -1 &&
+ !READ_ONCE(t->trc_reader_checked))
+ trc_wait_for_one_reader(t, hop);
+
+ // If check succeeded, remove this task from the list.
+ if (READ_ONCE(t->trc_reader_checked))
+ trc_del_holdout(t);
+ else if (needreport)
+ show_stalled_task_trace(t, firstreport);
+ }
+
+ // Re-enable CPU hotplug now that the holdout list scan has completed.
+ cpus_read_unlock();
+
+ if (needreport) {
+ if (firstreport)
+ pr_err("INFO: rcu_tasks_trace detected stalls? (Late IPI?)\n");
+ show_stalled_ipi_trace();
+ }
+}
+
+/* Wait for grace period to complete and provide ordering. */
+static void rcu_tasks_trace_postgp(struct rcu_tasks *rtp)
+{
+ bool firstreport;
+ struct task_struct *g, *t;
+ LIST_HEAD(holdouts);
+ long ret;
+
+ // Remove the safety count.
+ smp_mb__before_atomic(); // Order vs. earlier atomics
+ atomic_dec(&trc_n_readers_need_end);
+ smp_mb__after_atomic(); // Order vs. later atomics
+
+ // Wait for readers.
+ set_tasks_gp_state(rtp, RTGS_WAIT_READERS);
+ for (;;) {
+ ret = wait_event_idle_exclusive_timeout(
+ trc_wait,
+ atomic_read(&trc_n_readers_need_end) == 0,
+ READ_ONCE(rcu_task_stall_timeout));
+ if (ret)
+ break; // Count reached zero.
+ // Stall warning time, so make a list of the offenders.
+ for_each_process_thread(g, t)
+ if (READ_ONCE(t->trc_reader_special.b.need_qs))
+ trc_add_holdout(t, &holdouts);
+ firstreport = true;
+ list_for_each_entry_safe(t, g, &holdouts, trc_holdout_list)
+ if (READ_ONCE(t->trc_reader_special.b.need_qs)) {
+ show_stalled_task_trace(t, &firstreport);
+ trc_del_holdout(t);
+ }
+ if (firstreport)
+ pr_err("INFO: rcu_tasks_trace detected stalls? (Counter/taskslist mismatch?)\n");
+ show_stalled_ipi_trace();
+ pr_err("\t%d holdouts\n", atomic_read(&trc_n_readers_need_end));
+ }
+ smp_mb(); // Caller's code must be ordered after wakeup.
+ // Pairs with pretty much every ordering primitive.
+}
+
+/* Report any needed quiescent state for this exiting task. */
+static void exit_tasks_rcu_finish_trace(struct task_struct *t)
+{
+ WRITE_ONCE(t->trc_reader_checked, true);
+ WARN_ON_ONCE(t->trc_reader_nesting);
+ WRITE_ONCE(t->trc_reader_nesting, 0);
+ if (WARN_ON_ONCE(READ_ONCE(t->trc_reader_special.b.need_qs)))
+ rcu_read_unlock_trace_special(t, 0);
+}
+
+/**
+ * call_rcu_tasks_trace() - Queue a callback trace task-based grace period
+ * @rhp: structure to be used for queueing the RCU updates.
+ * @func: actual callback function to be invoked after the grace period
+ *
+ * The callback function will be invoked some time after a full grace
+ * period elapses, in other words after all currently executing RCU
+ * read-side critical sections have completed. call_rcu_tasks_trace()
+ * assumes that the read-side critical sections end at context switch,
+ * cond_resched_rcu_qs(), or transition to usermode execution. As such,
+ * there are no read-side primitives analogous to rcu_read_lock() and
+ * rcu_read_unlock() because this primitive is intended to determine
+ * that all tasks have passed through a safe state, not so much for
+ * data-strcuture synchronization.
+ *
+ * See the description of call_rcu() for more detailed information on
+ * memory ordering guarantees.
+ */
+void call_rcu_tasks_trace(struct rcu_head *rhp, rcu_callback_t func)
+{
+ call_rcu_tasks_generic(rhp, func, &rcu_tasks_trace);
+}
+EXPORT_SYMBOL_GPL(call_rcu_tasks_trace);
+
+/**
+ * synchronize_rcu_tasks_trace - wait for a trace rcu-tasks grace period
+ *
+ * Control will return to the caller some time after a trace rcu-tasks
+ * grace period has elapsed, in other words after all currently
+ * executing rcu-tasks read-side critical sections have elapsed. These
+ * read-side critical sections are delimited by calls to schedule(),
+ * cond_resched_tasks_rcu_qs(), userspace execution, and (in theory,
+ * anyway) cond_resched().
+ *
+ * This is a very specialized primitive, intended only for a few uses in
+ * tracing and other situations requiring manipulation of function preambles
+ * and profiling hooks. The synchronize_rcu_tasks_trace() function is not
+ * (yet) intended for heavy use from multiple CPUs.
+ *
+ * See the description of synchronize_rcu() for more detailed information
+ * on memory ordering guarantees.
+ */
+void synchronize_rcu_tasks_trace(void)
+{
+ RCU_LOCKDEP_WARN(lock_is_held(&rcu_trace_lock_map), "Illegal synchronize_rcu_tasks_trace() in RCU Tasks Trace read-side critical section");
+ synchronize_rcu_tasks_generic(&rcu_tasks_trace);
+}
+EXPORT_SYMBOL_GPL(synchronize_rcu_tasks_trace);
+
+/**
+ * rcu_barrier_tasks_trace - Wait for in-flight call_rcu_tasks_trace() callbacks.
+ *
+ * Although the current implementation is guaranteed to wait, it is not
+ * obligated to, for example, if there are no pending callbacks.
+ */
+void rcu_barrier_tasks_trace(void)
+{
+ /* There is only one callback queue, so this is easy. ;-) */
+ synchronize_rcu_tasks_trace();
+}
+EXPORT_SYMBOL_GPL(rcu_barrier_tasks_trace);
+
+static int __init rcu_spawn_tasks_trace_kthread(void)
+{
+ rcu_tasks_trace.pregp_func = rcu_tasks_trace_pregp_step;
+ rcu_tasks_trace.pertask_func = rcu_tasks_trace_pertask;
+ rcu_tasks_trace.postscan_func = rcu_tasks_trace_postscan;
+ rcu_tasks_trace.holdouts_func = check_all_holdout_tasks_trace;
+ rcu_tasks_trace.postgp_func = rcu_tasks_trace_postgp;
+ rcu_spawn_tasks_kthread_generic(&rcu_tasks_trace);
+ return 0;
+}
+core_initcall(rcu_spawn_tasks_trace_kthread);
+
+static void show_rcu_tasks_trace_gp_kthread(void)
+{
+ char buf[64];
+
+ sprintf(buf, "N%d h:%lu/%lu/%lu", atomic_read(&trc_n_readers_need_end),
+ data_race(n_heavy_reader_ofl_updates),
+ data_race(n_heavy_reader_updates),
+ data_race(n_heavy_reader_attempts));
+ show_rcu_tasks_generic_gp_kthread(&rcu_tasks_trace, buf);
+}
+
+#else /* #ifdef CONFIG_TASKS_TRACE_RCU */
+static void exit_tasks_rcu_finish_trace(struct task_struct *t) { }
+static inline void show_rcu_tasks_trace_gp_kthread(void) {}
+#endif /* #else #ifdef CONFIG_TASKS_TRACE_RCU */
+
+void show_rcu_tasks_gp_kthreads(void)
+{
+ show_rcu_tasks_classic_gp_kthread();
+ show_rcu_tasks_rude_gp_kthread();
+ show_rcu_tasks_trace_gp_kthread();
+}
+
+#else /* #ifdef CONFIG_TASKS_RCU_GENERIC */
+static inline void rcu_tasks_bootup_oddness(void) {}
+void show_rcu_tasks_gp_kthreads(void) {}
+#endif /* #else #ifdef CONFIG_TASKS_RCU_GENERIC */
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index d9a49cd6065a..c716eadc7617 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -67,6 +67,19 @@
#endif
#define MODULE_PARAM_PREFIX "rcutree."
+#ifndef data_race
+#define data_race(expr) \
+ ({ \
+ expr; \
+ })
+#endif
+#ifndef ASSERT_EXCLUSIVE_WRITER
+#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
+#endif
+#ifndef ASSERT_EXCLUSIVE_ACCESS
+#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
+#endif
+
/* Data structures. */
/*
@@ -75,9 +88,6 @@
*/
#define RCU_DYNTICK_CTRL_MASK 0x1
#define RCU_DYNTICK_CTRL_CTR (RCU_DYNTICK_CTRL_MASK + 1)
-#ifndef rcu_eqs_special_exit
-#define rcu_eqs_special_exit() do { } while (0)
-#endif
static DEFINE_PER_CPU_SHARED_ALIGNED(struct rcu_data, rcu_data) = {
.dynticks_nesting = 1,
@@ -100,7 +110,7 @@ static struct rcu_state rcu_state = {
static bool dump_tree;
module_param(dump_tree, bool, 0444);
/* By default, use RCU_SOFTIRQ instead of rcuc kthreads. */
-static bool use_softirq = 1;
+static bool use_softirq = true;
module_param(use_softirq, bool, 0444);
/* Control rcu_node-tree auto-balancing at boot time. */
static bool rcu_fanout_exact;
@@ -225,9 +235,11 @@ void rcu_softirq_qs(void)
/*
* Record entry into an extended quiescent state. This is only to be
- * called when not already in an extended quiescent state.
+ * called when not already in an extended quiescent state, that is,
+ * RCU is watching prior to the call to this function and is no longer
+ * watching upon return.
*/
-static void rcu_dynticks_eqs_enter(void)
+static noinstr void rcu_dynticks_eqs_enter(void)
{
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
int seq;
@@ -237,8 +249,9 @@ static void rcu_dynticks_eqs_enter(void)
* critical sections, and we also must force ordering with the
* next idle sojourn.
*/
+ rcu_dynticks_task_trace_enter(); // Before ->dynticks update!
seq = atomic_add_return(RCU_DYNTICK_CTRL_CTR, &rdp->dynticks);
- /* Better be in an extended quiescent state! */
+ // RCU is no longer watching. Better be in extended quiescent state!
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&
(seq & RCU_DYNTICK_CTRL_CTR));
/* Better not have special action (TLB flush) pending! */
@@ -248,9 +261,10 @@ static void rcu_dynticks_eqs_enter(void)
/*
* Record exit from an extended quiescent state. This is only to be
- * called from an extended quiescent state.
+ * called from an extended quiescent state, that is, RCU is not watching
+ * prior to the call to this function and is watching upon return.
*/
-static void rcu_dynticks_eqs_exit(void)
+static noinstr void rcu_dynticks_eqs_exit(void)
{
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
int seq;
@@ -261,13 +275,13 @@ static void rcu_dynticks_eqs_exit(void)
* critical section.
*/
seq = atomic_add_return(RCU_DYNTICK_CTRL_CTR, &rdp->dynticks);
+ // RCU is now watching. Better not be in an extended quiescent state!
+ rcu_dynticks_task_trace_exit(); // After ->dynticks update!
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&
!(seq & RCU_DYNTICK_CTRL_CTR));
if (seq & RCU_DYNTICK_CTRL_MASK) {
atomic_andnot(RCU_DYNTICK_CTRL_MASK, &rdp->dynticks);
smp_mb__after_atomic(); /* _exit after clearing mask. */
- /* Prefer duplicate flushes to losing a flush. */
- rcu_eqs_special_exit();
}
}
@@ -295,7 +309,7 @@ static void rcu_dynticks_eqs_online(void)
*
* No ordering, as we are sampling CPU-local information.
*/
-static bool rcu_dynticks_curr_cpu_in_eqs(void)
+static __always_inline bool rcu_dynticks_curr_cpu_in_eqs(void)
{
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
@@ -333,6 +347,28 @@ static bool rcu_dynticks_in_eqs_since(struct rcu_data *rdp, int snap)
}
/*
+ * Return true if the referenced integer is zero while the specified
+ * CPU remains within a single extended quiescent state.
+ */
+bool rcu_dynticks_zero_in_eqs(int cpu, int *vp)
+{
+ struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);
+ int snap;
+
+ // If not quiescent, force back to earlier extended quiescent state.
+ snap = atomic_read(&rdp->dynticks) & ~(RCU_DYNTICK_CTRL_MASK |
+ RCU_DYNTICK_CTRL_CTR);
+
+ smp_rmb(); // Order ->dynticks and *vp reads.
+ if (READ_ONCE(*vp))
+ return false; // Non-zero, so report failure;
+ smp_rmb(); // Order *vp read and ->dynticks re-read.
+
+ // If still in the same extended quiescent state, we are good!
+ return snap == (atomic_read(&rdp->dynticks) & ~RCU_DYNTICK_CTRL_MASK);
+}
+
+/*
* Set the special (bottom) bit of the specified CPU so that it
* will take special action (such as flushing its TLB) on the
* next exit from an extended quiescent state. Returns true if
@@ -382,16 +418,23 @@ void rcu_momentary_dyntick_idle(void)
EXPORT_SYMBOL_GPL(rcu_momentary_dyntick_idle);
/**
- * rcu_is_cpu_rrupt_from_idle - see if interrupted from idle
+ * rcu_is_cpu_rrupt_from_idle - see if 'interrupted' from idle
*
* If the current CPU is idle and running at a first-level (not nested)
- * interrupt from idle, return true. The caller must have at least
- * disabled preemption.
+ * interrupt, or directly, from idle, return true.
+ *
+ * The caller must have at least disabled IRQs.
*/
static int rcu_is_cpu_rrupt_from_idle(void)
{
- /* Called only from within the scheduling-clock interrupt */
- lockdep_assert_in_irq();
+ long nesting;
+
+ /*
+ * Usually called from the tick; but also used from smp_function_call()
+ * for expedited grace periods. This latter can result in running from
+ * the idle task, instead of an actual IPI.
+ */
+ lockdep_assert_irqs_disabled();
/* Check for counter underflows */
RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nesting) < 0,
@@ -400,9 +443,15 @@ static int rcu_is_cpu_rrupt_from_idle(void)
"RCU dynticks_nmi_nesting counter underflow/zero!");
/* Are we at first interrupt nesting level? */
- if (__this_cpu_read(rcu_data.dynticks_nmi_nesting) != 1)
+ nesting = __this_cpu_read(rcu_data.dynticks_nmi_nesting);
+ if (nesting > 1)
return false;
+ /*
+ * If we're not in an interrupt, we must be in the idle task!
+ */
+ WARN_ON_ONCE(!nesting && !is_idle_task(current));
+
/* Does CPU appear to be idle from an RCU standpoint? */
return __this_cpu_read(rcu_data.dynticks_nesting) == 0;
}
@@ -562,7 +611,7 @@ EXPORT_SYMBOL_GPL(rcutorture_get_gp_data);
* the possibility of usermode upcalls having messed up our count
* of interrupt nesting level during the prior busy period.
*/
-static void rcu_eqs_enter(bool user)
+static noinstr void rcu_eqs_enter(bool user)
{
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
@@ -571,19 +620,24 @@ static void rcu_eqs_enter(bool user)
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&
rdp->dynticks_nesting == 0);
if (rdp->dynticks_nesting != 1) {
+ // RCU will still be watching, so just do accounting and leave.
rdp->dynticks_nesting--;
return;
}
lockdep_assert_irqs_disabled();
+ instrumentation_begin();
trace_rcu_dyntick(TPS("Start"), rdp->dynticks_nesting, 0, atomic_read(&rdp->dynticks));
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !user && !is_idle_task(current));
rdp = this_cpu_ptr(&rcu_data);
do_nocb_deferred_wakeup(rdp);
rcu_prepare_for_idle();
rcu_preempt_deferred_qs(current);
+ instrumentation_end();
WRITE_ONCE(rdp->dynticks_nesting, 0); /* Avoid irq-access tearing. */
+ // RCU is watching here ...
rcu_dynticks_eqs_enter();
+ // ... but is no longer watching here.
rcu_dynticks_task_enter();
}
@@ -616,23 +670,25 @@ void rcu_idle_enter(void)
* If you add or remove a call to rcu_user_enter(), be sure to test with
* CONFIG_RCU_EQS_DEBUG=y.
*/
-void rcu_user_enter(void)
+noinstr void rcu_user_enter(void)
{
lockdep_assert_irqs_disabled();
rcu_eqs_enter(true);
}
#endif /* CONFIG_NO_HZ_FULL */
-/*
+/**
+ * rcu_nmi_exit - inform RCU of exit from NMI context
+ *
* If we are returning from the outermost NMI handler that interrupted an
* RCU-idle period, update rdp->dynticks and rdp->dynticks_nmi_nesting
* to let the RCU grace-period handling know that the CPU is back to
* being RCU-idle.
*
- * If you add or remove a call to rcu_nmi_exit_common(), be sure to test
+ * If you add or remove a call to rcu_nmi_exit(), be sure to test
* with CONFIG_RCU_EQS_DEBUG=y.
*/
-static __always_inline void rcu_nmi_exit_common(bool irq)
+noinstr void rcu_nmi_exit(void)
{
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
@@ -649,38 +705,33 @@ static __always_inline void rcu_nmi_exit_common(bool irq)
* leave it in non-RCU-idle state.
*/
if (rdp->dynticks_nmi_nesting != 1) {
+ instrumentation_begin();
trace_rcu_dyntick(TPS("--="), rdp->dynticks_nmi_nesting, rdp->dynticks_nmi_nesting - 2,
atomic_read(&rdp->dynticks));
WRITE_ONCE(rdp->dynticks_nmi_nesting, /* No store tearing. */
rdp->dynticks_nmi_nesting - 2);
+ instrumentation_end();
return;
}
+ instrumentation_begin();
/* This NMI interrupted an RCU-idle CPU, restore RCU-idleness. */
trace_rcu_dyntick(TPS("Startirq"), rdp->dynticks_nmi_nesting, 0, atomic_read(&rdp->dynticks));
WRITE_ONCE(rdp->dynticks_nmi_nesting, 0); /* Avoid store tearing. */
- if (irq)
+ if (!in_nmi())
rcu_prepare_for_idle();
+ instrumentation_end();
+ // RCU is watching here ...
rcu_dynticks_eqs_enter();
+ // ... but is no longer watching here.
- if (irq)
+ if (!in_nmi())
rcu_dynticks_task_enter();
}
/**
- * rcu_nmi_exit - inform RCU of exit from NMI context
- *
- * If you add or remove a call to rcu_nmi_exit(), be sure to test
- * with CONFIG_RCU_EQS_DEBUG=y.
- */
-void rcu_nmi_exit(void)
-{
- rcu_nmi_exit_common(false);
-}
-
-/**
* rcu_irq_exit - inform RCU that current CPU is exiting irq towards idle
*
* Exit from an interrupt handler, which might possibly result in entering
@@ -699,12 +750,52 @@ void rcu_nmi_exit(void)
* If you add or remove a call to rcu_irq_exit(), be sure to test with
* CONFIG_RCU_EQS_DEBUG=y.
*/
-void rcu_irq_exit(void)
+void noinstr rcu_irq_exit(void)
+{
+ lockdep_assert_irqs_disabled();
+ rcu_nmi_exit();
+}
+
+/**
+ * rcu_irq_exit_preempt - Inform RCU that current CPU is exiting irq
+ * towards in kernel preemption
+ *
+ * Same as rcu_irq_exit() but has a sanity check that scheduling is safe
+ * from RCU point of view. Invoked from return from interrupt before kernel
+ * preemption.
+ */
+void rcu_irq_exit_preempt(void)
{
lockdep_assert_irqs_disabled();
- rcu_nmi_exit_common(true);
+ rcu_nmi_exit();
+
+ RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nesting) <= 0,
+ "RCU dynticks_nesting counter underflow/zero!");
+ RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nmi_nesting) !=
+ DYNTICK_IRQ_NONIDLE,
+ "Bad RCU dynticks_nmi_nesting counter\n");
+ RCU_LOCKDEP_WARN(rcu_dynticks_curr_cpu_in_eqs(),
+ "RCU in extended quiescent state!");
}
+#ifdef CONFIG_PROVE_RCU
+/**
+ * rcu_irq_exit_check_preempt - Validate that scheduling is possible
+ */
+void rcu_irq_exit_check_preempt(void)
+{
+ lockdep_assert_irqs_disabled();
+
+ RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nesting) <= 0,
+ "RCU dynticks_nesting counter underflow/zero!");
+ RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nmi_nesting) !=
+ DYNTICK_IRQ_NONIDLE,
+ "Bad RCU dynticks_nmi_nesting counter\n");
+ RCU_LOCKDEP_WARN(rcu_dynticks_curr_cpu_in_eqs(),
+ "RCU in extended quiescent state!");
+}
+#endif /* #ifdef CONFIG_PROVE_RCU */
+
/*
* Wrapper for rcu_irq_exit() where interrupts are enabled.
*
@@ -728,7 +819,7 @@ void rcu_irq_exit_irqson(void)
* allow for the possibility of usermode upcalls messing up our count of
* interrupt nesting level during the busy period that is just now starting.
*/
-static void rcu_eqs_exit(bool user)
+static void noinstr rcu_eqs_exit(bool user)
{
struct rcu_data *rdp;
long oldval;
@@ -738,17 +829,22 @@ static void rcu_eqs_exit(bool user)
oldval = rdp->dynticks_nesting;
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && oldval < 0);
if (oldval) {
+ // RCU was already watching, so just do accounting and leave.
rdp->dynticks_nesting++;
return;
}
rcu_dynticks_task_exit();
+ // RCU is not watching here ...
rcu_dynticks_eqs_exit();
+ // ... but is watching here.
+ instrumentation_begin();
rcu_cleanup_after_idle();
trace_rcu_dyntick(TPS("End"), rdp->dynticks_nesting, 1, atomic_read(&rdp->dynticks));
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) && !user && !is_idle_task(current));
WRITE_ONCE(rdp->dynticks_nesting, 1);
WARN_ON_ONCE(rdp->dynticks_nmi_nesting);
WRITE_ONCE(rdp->dynticks_nmi_nesting, DYNTICK_IRQ_NONIDLE);
+ instrumentation_end();
}
/**
@@ -779,14 +875,75 @@ void rcu_idle_exit(void)
* If you add or remove a call to rcu_user_exit(), be sure to test with
* CONFIG_RCU_EQS_DEBUG=y.
*/
-void rcu_user_exit(void)
+void noinstr rcu_user_exit(void)
{
rcu_eqs_exit(1);
}
+
+/**
+ * __rcu_irq_enter_check_tick - Enable scheduler tick on CPU if RCU needs it.
+ *
+ * The scheduler tick is not normally enabled when CPUs enter the kernel
+ * from nohz_full userspace execution. After all, nohz_full userspace
+ * execution is an RCU quiescent state and the time executing in the kernel
+ * is quite short. Except of course when it isn't. And it is not hard to
+ * cause a large system to spend tens of seconds or even minutes looping
+ * in the kernel, which can cause a number of problems, include RCU CPU
+ * stall warnings.
+ *
+ * Therefore, if a nohz_full CPU fails to report a quiescent state
+ * in a timely manner, the RCU grace-period kthread sets that CPU's
+ * ->rcu_urgent_qs flag with the expectation that the next interrupt or
+ * exception will invoke this function, which will turn on the scheduler
+ * tick, which will enable RCU to detect that CPU's quiescent states,
+ * for example, due to cond_resched() calls in CONFIG_PREEMPT=n kernels.
+ * The tick will be disabled once a quiescent state is reported for
+ * this CPU.
+ *
+ * Of course, in carefully tuned systems, there might never be an
+ * interrupt or exception. In that case, the RCU grace-period kthread
+ * will eventually cause one to happen. However, in less carefully
+ * controlled environments, this function allows RCU to get what it
+ * needs without creating otherwise useless interruptions.
+ */
+void __rcu_irq_enter_check_tick(void)
+{
+ struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
+
+ // Enabling the tick is unsafe in NMI handlers.
+ if (WARN_ON_ONCE(in_nmi()))
+ return;
+
+ RCU_LOCKDEP_WARN(rcu_dynticks_curr_cpu_in_eqs(),
+ "Illegal rcu_irq_enter_check_tick() from extended quiescent state");
+
+ if (!tick_nohz_full_cpu(rdp->cpu) ||
+ !READ_ONCE(rdp->rcu_urgent_qs) ||
+ READ_ONCE(rdp->rcu_forced_tick)) {
+ // RCU doesn't need nohz_full help from this CPU, or it is
+ // already getting that help.
+ return;
+ }
+
+ // We get here only when not in an extended quiescent state and
+ // from interrupts (as opposed to NMIs). Therefore, (1) RCU is
+ // already watching and (2) The fact that we are in an interrupt
+ // handler and that the rcu_node lock is an irq-disabled lock
+ // prevents self-deadlock. So we can safely recheck under the lock.
+ // Note that the nohz_full state currently cannot change.
+ raw_spin_lock_rcu_node(rdp->mynode);
+ if (rdp->rcu_urgent_qs && !rdp->rcu_forced_tick) {
+ // A nohz_full CPU is in the kernel and RCU needs a
+ // quiescent state. Turn on the tick!
+ WRITE_ONCE(rdp->rcu_forced_tick, true);
+ tick_dep_set_cpu(rdp->cpu, TICK_DEP_BIT_RCU);
+ }
+ raw_spin_unlock_rcu_node(rdp->mynode);
+}
#endif /* CONFIG_NO_HZ_FULL */
/**
- * rcu_nmi_enter_common - inform RCU of entry to NMI context
+ * rcu_nmi_enter - inform RCU of entry to NMI context
* @irq: Is this call from rcu_irq_enter?
*
* If the CPU was idle from RCU's viewpoint, update rdp->dynticks and
@@ -795,10 +952,10 @@ void rcu_user_exit(void)
* long as the nesting level does not overflow an int. (You will probably
* run out of stack space first.)
*
- * If you add or remove a call to rcu_nmi_enter_common(), be sure to test
+ * If you add or remove a call to rcu_nmi_enter(), be sure to test
* with CONFIG_RCU_EQS_DEBUG=y.
*/
-static __always_inline void rcu_nmi_enter_common(bool irq)
+noinstr void rcu_nmi_enter(void)
{
long incby = 2;
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
@@ -816,45 +973,33 @@ static __always_inline void rcu_nmi_enter_common(bool irq)
*/
if (rcu_dynticks_curr_cpu_in_eqs()) {
- if (irq)
+ if (!in_nmi())
rcu_dynticks_task_exit();
+ // RCU is not watching here ...
rcu_dynticks_eqs_exit();
+ // ... but is watching here.
- if (irq)
+ if (!in_nmi())
rcu_cleanup_after_idle();
incby = 1;
- } else if (irq && tick_nohz_full_cpu(rdp->cpu) &&
- rdp->dynticks_nmi_nesting == DYNTICK_IRQ_NONIDLE &&
- READ_ONCE(rdp->rcu_urgent_qs) &&
- !READ_ONCE(rdp->rcu_forced_tick)) {
- raw_spin_lock_rcu_node(rdp->mynode);
- // Recheck under lock.
- if (rdp->rcu_urgent_qs && !rdp->rcu_forced_tick) {
- WRITE_ONCE(rdp->rcu_forced_tick, true);
- tick_dep_set_cpu(rdp->cpu, TICK_DEP_BIT_RCU);
- }
- raw_spin_unlock_rcu_node(rdp->mynode);
+ } else if (!in_nmi()) {
+ instrumentation_begin();
+ rcu_irq_enter_check_tick();
+ instrumentation_end();
}
+ instrumentation_begin();
trace_rcu_dyntick(incby == 1 ? TPS("Endirq") : TPS("++="),
rdp->dynticks_nmi_nesting,
rdp->dynticks_nmi_nesting + incby, atomic_read(&rdp->dynticks));
+ instrumentation_end();
WRITE_ONCE(rdp->dynticks_nmi_nesting, /* Prevent store tearing. */
rdp->dynticks_nmi_nesting + incby);
barrier();
}
/**
- * rcu_nmi_enter - inform RCU of entry to NMI context
- */
-void rcu_nmi_enter(void)
-{
- rcu_nmi_enter_common(false);
-}
-NOKPROBE_SYMBOL(rcu_nmi_enter);
-
-/**
* rcu_irq_enter - inform RCU that current CPU is entering irq away from idle
*
* Enter an interrupt handler, which might possibly result in exiting
@@ -876,10 +1021,10 @@ NOKPROBE_SYMBOL(rcu_nmi_enter);
* If you add or remove a call to rcu_irq_enter(), be sure to test with
* CONFIG_RCU_EQS_DEBUG=y.
*/
-void rcu_irq_enter(void)
+noinstr void rcu_irq_enter(void)
{
lockdep_assert_irqs_disabled();
- rcu_nmi_enter_common(true);
+ rcu_nmi_enter();
}
/*
@@ -913,6 +1058,11 @@ static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp)
}
}
+noinstr bool __rcu_is_watching(void)
+{
+ return !rcu_dynticks_curr_cpu_in_eqs();
+}
+
/**
* rcu_is_watching - see if RCU thinks that the current CPU is not idle
*
@@ -921,7 +1071,7 @@ static void rcu_disable_urgency_upon_qs(struct rcu_data *rdp)
* if the current CPU is not in its idle loop or is in an interrupt or
* NMI handler, return true.
*/
-bool notrace rcu_is_watching(void)
+bool rcu_is_watching(void)
{
bool ret;
@@ -973,12 +1123,12 @@ bool rcu_lockdep_current_cpu_online(void)
if (in_nmi() || !rcu_scheduler_fully_active)
return true;
- preempt_disable();
+ preempt_disable_notrace();
rdp = this_cpu_ptr(&rcu_data);
rnp = rdp->mynode;
if (rdp->grpmask & rcu_rnp_online_cpus(rnp))
ret = true;
- preempt_enable();
+ preempt_enable_notrace();
return ret;
}
EXPORT_SYMBOL_GPL(rcu_lockdep_current_cpu_online);
@@ -1217,7 +1367,7 @@ static bool rcu_start_this_gp(struct rcu_node *rnp_start, struct rcu_data *rdp,
trace_rcu_this_gp(rnp, rdp, gp_seq_req, TPS("NoGPkthread"));
goto unlock_out;
}
- trace_rcu_grace_period(rcu_state.name, rcu_state.gp_seq, TPS("newreq"));
+ trace_rcu_grace_period(rcu_state.name, data_race(rcu_state.gp_seq), TPS("newreq"));
ret = true; /* Caller must wake GP kthread. */
unlock_out:
/* Push furthest requested GP to leaf node and rcu_data structure. */
@@ -1473,6 +1623,31 @@ static void rcu_gp_slow(int delay)
schedule_timeout_uninterruptible(delay);
}
+static unsigned long sleep_duration;
+
+/* Allow rcutorture to stall the grace-period kthread. */
+void rcu_gp_set_torture_wait(int duration)
+{
+ if (IS_ENABLED(CONFIG_RCU_TORTURE_TEST) && duration > 0)
+ WRITE_ONCE(sleep_duration, duration);
+}
+EXPORT_SYMBOL_GPL(rcu_gp_set_torture_wait);
+
+/* Actually implement the aforementioned wait. */
+static void rcu_gp_torture_wait(void)
+{
+ unsigned long duration;
+
+ if (!IS_ENABLED(CONFIG_RCU_TORTURE_TEST))
+ return;
+ duration = xchg(&sleep_duration, 0UL);
+ if (duration > 0) {
+ pr_alert("%s: Waiting %lu jiffies\n", __func__, duration);
+ schedule_timeout_uninterruptible(duration);
+ pr_alert("%s: Wait complete\n", __func__);
+ }
+}
+
/*
* Initialize a new grace period. Return false if no grace period required.
*/
@@ -1506,6 +1681,7 @@ static bool rcu_gp_init(void)
record_gp_stall_check_time();
/* Record GP times before starting GP, hence rcu_seq_start(). */
rcu_seq_start(&rcu_state.gp_seq);
+ ASSERT_EXCLUSIVE_WRITER(rcu_state.gp_seq);
trace_rcu_grace_period(rcu_state.name, rcu_state.gp_seq, TPS("start"));
raw_spin_unlock_irq_rcu_node(rnp);
@@ -1611,12 +1787,16 @@ static bool rcu_gp_fqs_check_wake(int *gfp)
{
struct rcu_node *rnp = rcu_get_root();
- /* Someone like call_rcu() requested a force-quiescent-state scan. */
+ // If under overload conditions, force an immediate FQS scan.
+ if (*gfp & RCU_GP_FLAG_OVLD)
+ return true;
+
+ // Someone like call_rcu() requested a force-quiescent-state scan.
*gfp = READ_ONCE(rcu_state.gp_flags);
if (*gfp & RCU_GP_FLAG_FQS)
return true;
- /* The current grace period has completed. */
+ // The current grace period has completed.
if (!READ_ONCE(rnp->qsmask) && !rcu_preempt_blocked_readers_cgp(rnp))
return true;
@@ -1654,13 +1834,15 @@ static void rcu_gp_fqs(bool first_time)
static void rcu_gp_fqs_loop(void)
{
bool first_gp_fqs;
- int gf;
+ int gf = 0;
unsigned long j;
int ret;
struct rcu_node *rnp = rcu_get_root();
first_gp_fqs = true;
j = READ_ONCE(jiffies_till_first_fqs);
+ if (rcu_state.cbovld)
+ gf = RCU_GP_FLAG_OVLD;
ret = 0;
for (;;) {
if (!ret) {
@@ -1673,6 +1855,7 @@ static void rcu_gp_fqs_loop(void)
rcu_state.gp_state = RCU_GP_WAIT_FQS;
ret = swait_event_idle_timeout_exclusive(
rcu_state.gp_wq, rcu_gp_fqs_check_wake(&gf), j);
+ rcu_gp_torture_wait();
rcu_state.gp_state = RCU_GP_DOING_FQS;
/* Locking provides needed memory barriers. */
/* If grace period done, leave loop. */
@@ -1680,12 +1863,16 @@ static void rcu_gp_fqs_loop(void)
!rcu_preempt_blocked_readers_cgp(rnp))
break;
/* If time for quiescent-state forcing, do it. */
- if (ULONG_CMP_GE(jiffies, rcu_state.jiffies_force_qs) ||
+ if (!time_after(rcu_state.jiffies_force_qs, jiffies) ||
(gf & RCU_GP_FLAG_FQS)) {
trace_rcu_grace_period(rcu_state.name, rcu_state.gp_seq,
TPS("fqsstart"));
rcu_gp_fqs(first_gp_fqs);
- first_gp_fqs = false;
+ gf = 0;
+ if (first_gp_fqs) {
+ first_gp_fqs = false;
+ gf = rcu_state.cbovld ? RCU_GP_FLAG_OVLD : 0;
+ }
trace_rcu_grace_period(rcu_state.name, rcu_state.gp_seq,
TPS("fqsend"));
cond_resched_tasks_rcu_qs();
@@ -1705,6 +1892,7 @@ static void rcu_gp_fqs_loop(void)
j = 1;
else
j = rcu_state.jiffies_force_qs - j;
+ gf = 0;
}
}
}
@@ -1781,6 +1969,7 @@ static void rcu_gp_cleanup(void)
/* Declare grace period done, trace first to use old GP number. */
trace_rcu_grace_period(rcu_state.name, rcu_state.gp_seq, TPS("end"));
rcu_seq_end(&rcu_state.gp_seq);
+ ASSERT_EXCLUSIVE_WRITER(rcu_state.gp_seq);
rcu_state.gp_state = RCU_GP_IDLE;
/* Check for GP requests since above loop. */
rdp = this_cpu_ptr(&rcu_data);
@@ -1821,6 +2010,7 @@ static int __noreturn rcu_gp_kthread(void *unused)
swait_event_idle_exclusive(rcu_state.gp_wq,
READ_ONCE(rcu_state.gp_flags) &
RCU_GP_FLAG_INIT);
+ rcu_gp_torture_wait();
rcu_state.gp_state = RCU_GP_DONE_GPS;
/* Locking provides needed memory barrier. */
if (rcu_gp_init())
@@ -2811,6 +3001,8 @@ struct kfree_rcu_cpu {
struct delayed_work monitor_work;
bool monitor_todo;
bool initialized;
+ // Number of objects for which GP not started
+ int count;
};
static DEFINE_PER_CPU(struct kfree_rcu_cpu, krc);
@@ -2924,6 +3116,8 @@ static inline bool queue_kfree_rcu_work(struct kfree_rcu_cpu *krcp)
krcp->head = NULL;
}
+ WRITE_ONCE(krcp->count, 0);
+
/*
* One work is per one batch, so there are two "free channels",
* "bhead_free" and "head_free" the batch can handle. It can be
@@ -3060,6 +3254,8 @@ void kfree_call_rcu(struct rcu_head *head, rcu_callback_t func)
krcp->head = head;
}
+ WRITE_ONCE(krcp->count, krcp->count + 1);
+
// Set timer to drain after KFREE_DRAIN_JIFFIES.
if (rcu_scheduler_active == RCU_SCHEDULER_RUNNING &&
!krcp->monitor_todo) {
@@ -3074,6 +3270,56 @@ unlock_return:
}
EXPORT_SYMBOL_GPL(kfree_call_rcu);
+static unsigned long
+kfree_rcu_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
+{
+ int cpu;
+ unsigned long count = 0;
+
+ /* Snapshot count of all CPUs */
+ for_each_online_cpu(cpu) {
+ struct kfree_rcu_cpu *krcp = per_cpu_ptr(&krc, cpu);
+
+ count += READ_ONCE(krcp->count);
+ }
+
+ return count;
+}
+
+static unsigned long
+kfree_rcu_shrink_scan(struct shrinker *shrink, struct shrink_control *sc)
+{
+ int cpu, freed = 0;
+ unsigned long flags;
+
+ for_each_online_cpu(cpu) {
+ int count;
+ struct kfree_rcu_cpu *krcp = per_cpu_ptr(&krc, cpu);
+
+ count = krcp->count;
+ spin_lock_irqsave(&krcp->lock, flags);
+ if (krcp->monitor_todo)
+ kfree_rcu_drain_unlock(krcp, flags);
+ else
+ spin_unlock_irqrestore(&krcp->lock, flags);
+
+ sc->nr_to_scan -= count;
+ freed += count;
+
+ if (sc->nr_to_scan <= 0)
+ break;
+ }
+
+ return freed;
+}
+
+static struct shrinker kfree_rcu_shrinker = {
+ .count_objects = kfree_rcu_shrink_count,
+ .scan_objects = kfree_rcu_shrink_scan,
+ .batch = 0,
+ .seeks = DEFAULT_SEEKS,
+};
+
void __init kfree_rcu_scheduler_running(void)
{
int cpu;
@@ -3599,6 +3845,7 @@ void rcu_cpu_starting(unsigned int cpu)
nbits = bitmap_weight(&oldmask, BITS_PER_LONG);
/* Allow lockless access for expedited grace periods. */
smp_store_release(&rcu_state.ncpus, rcu_state.ncpus + nbits); /* ^^^ */
+ ASSERT_EXCLUSIVE_WRITER(rcu_state.ncpus);
rcu_gpnum_ovf(rnp, rdp); /* Offline-induced counter wrap? */
rdp->rcu_onl_gp_seq = READ_ONCE(rcu_state.gp_seq);
rdp->rcu_onl_gp_flags = READ_ONCE(rcu_state.gp_flags);
@@ -3994,6 +4241,8 @@ static void __init kfree_rcu_batch_init(void)
INIT_DELAYED_WORK(&krcp->monitor_work, kfree_rcu_monitor);
krcp->initialized = true;
}
+ if (register_shrinker(&kfree_rcu_shrinker))
+ pr_err("Failed to register kfree_rcu() shrinker!\n");
}
void __init rcu_init(void)
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index 9dc2ec021da5..43991a40b084 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -359,6 +359,7 @@ struct rcu_state {
/* Values for rcu_state structure's gp_flags field. */
#define RCU_GP_FLAG_INIT 0x1 /* Need grace-period initialization. */
#define RCU_GP_FLAG_FQS 0x2 /* Need grace-period quiescent-state forcing. */
+#define RCU_GP_FLAG_OVLD 0x4 /* Experiencing callback overload. */
/* Values for rcu_state structure's gp_state field. */
#define RCU_GP_IDLE 0 /* Initial state and no GP in progress. */
@@ -454,6 +455,8 @@ static void rcu_bind_gp_kthread(void);
static bool rcu_nohz_full_cpu(void);
static void rcu_dynticks_task_enter(void);
static void rcu_dynticks_task_exit(void);
+static void rcu_dynticks_task_trace_enter(void);
+static void rcu_dynticks_task_trace_exit(void);
/* Forward declarations for tree_stall.h */
static void record_gp_stall_check_time(void);
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h
index 1a617b9dffb0..72952edad1e4 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -150,7 +150,7 @@ static void __maybe_unused sync_exp_reset_tree(void)
static bool sync_rcu_exp_done(struct rcu_node *rnp)
{
raw_lockdep_assert_held_rcu_node(rnp);
- return rnp->exp_tasks == NULL &&
+ return READ_ONCE(rnp->exp_tasks) == NULL &&
READ_ONCE(rnp->expmask) == 0;
}
@@ -373,7 +373,7 @@ static void sync_rcu_exp_select_node_cpus(struct work_struct *wp)
* until such time as the ->expmask bits are cleared.
*/
if (rcu_preempt_has_tasks(rnp))
- rnp->exp_tasks = rnp->blkd_tasks.next;
+ WRITE_ONCE(rnp->exp_tasks, rnp->blkd_tasks.next);
raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
/* IPI the remaining CPUs for expedited quiescent state. */
@@ -542,8 +542,8 @@ static void synchronize_rcu_expedited_wait(void)
}
pr_cont(" } %lu jiffies s: %lu root: %#lx/%c\n",
jiffies - jiffies_start, rcu_state.expedited_sequence,
- READ_ONCE(rnp_root->expmask),
- ".T"[!!rnp_root->exp_tasks]);
+ data_race(rnp_root->expmask),
+ ".T"[!!data_race(rnp_root->exp_tasks)]);
if (ndetected) {
pr_err("blocking rcu_node structures:");
rcu_for_each_node_breadth_first(rnp) {
@@ -553,8 +553,8 @@ static void synchronize_rcu_expedited_wait(void)
continue;
pr_cont(" l=%u:%d-%d:%#lx/%c",
rnp->level, rnp->grplo, rnp->grphi,
- READ_ONCE(rnp->expmask),
- ".T"[!!rnp->exp_tasks]);
+ data_race(rnp->expmask),
+ ".T"[!!data_race(rnp->exp_tasks)]);
}
pr_cont("\n");
}
@@ -639,6 +639,7 @@ static void wait_rcu_exp_gp(struct work_struct *wp)
*/
static void rcu_exp_handler(void *unused)
{
+ int depth = rcu_preempt_depth();
unsigned long flags;
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
struct rcu_node *rnp = rdp->mynode;
@@ -649,7 +650,7 @@ static void rcu_exp_handler(void *unused)
* critical section. If also enabled or idle, immediately
* report the quiescent state, otherwise defer.
*/
- if (!rcu_preempt_depth()) {
+ if (!depth) {
if (!(preempt_count() & (PREEMPT_MASK | SOFTIRQ_MASK)) ||
rcu_dynticks_curr_cpu_in_eqs()) {
rcu_report_exp_rdp(rdp);
@@ -673,7 +674,7 @@ static void rcu_exp_handler(void *unused)
* can have caused this quiescent state to already have been
* reported, so we really do need to check ->expmask.
*/
- if (rcu_preempt_depth() > 0) {
+ if (depth > 0) {
raw_spin_lock_irqsave_rcu_node(rnp, flags);
if (rnp->expmask & rdp->grpmask) {
rdp->exp_deferred_qs = true;
@@ -683,30 +684,8 @@ static void rcu_exp_handler(void *unused)
return;
}
- /*
- * The final and least likely case is where the interrupted
- * code was just about to or just finished exiting the RCU-preempt
- * read-side critical section, and no, we can't tell which.
- * So either way, set ->deferred_qs to flag later code that
- * a quiescent state is required.
- *
- * If the CPU is fully enabled (or if some buggy RCU-preempt
- * read-side critical section is being used from idle), just
- * invoke rcu_preempt_deferred_qs() to immediately report the
- * quiescent state. We cannot use rcu_read_unlock_special()
- * because we are in an interrupt handler, which will cause that
- * function to take an early exit without doing anything.
- *
- * Otherwise, force a context switch after the CPU enables everything.
- */
- rdp->exp_deferred_qs = true;
- if (!(preempt_count() & (PREEMPT_MASK | SOFTIRQ_MASK)) ||
- WARN_ON_ONCE(rcu_dynticks_curr_cpu_in_eqs())) {
- rcu_preempt_deferred_qs(t);
- } else {
- set_tsk_need_resched(t);
- set_preempt_need_resched();
- }
+ // Finally, negative nesting depth should not happen.
+ WARN_ON_ONCE(1);
}
/* PREEMPTION=y, so no PREEMPTION=n expedited grace period to clean up after. */
@@ -721,17 +700,20 @@ static void sync_sched_exp_online_cleanup(int cpu)
*/
static int rcu_print_task_exp_stall(struct rcu_node *rnp)
{
- struct task_struct *t;
+ unsigned long flags;
int ndetected = 0;
+ struct task_struct *t;
- if (!rnp->exp_tasks)
+ if (!READ_ONCE(rnp->exp_tasks))
return 0;
+ raw_spin_lock_irqsave_rcu_node(rnp, flags);
t = list_entry(rnp->exp_tasks->prev,
struct task_struct, rcu_node_entry);
list_for_each_entry_continue(t, &rnp->blkd_tasks, rcu_node_entry) {
pr_cont(" P%d", t->pid);
ndetected++;
}
+ raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
return ndetected;
}
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
index 097635c41135..352223664ebd 100644
--- a/kernel/rcu/tree_plugin.h
+++ b/kernel/rcu/tree_plugin.h
@@ -226,7 +226,7 @@ static void rcu_preempt_ctxt_queue(struct rcu_node *rnp, struct rcu_data *rdp)
WARN_ON_ONCE(rnp->completedqs == rnp->gp_seq);
}
if (!rnp->exp_tasks && (blkd_state & RCU_EXP_BLKD))
- rnp->exp_tasks = &t->rcu_node_entry;
+ WRITE_ONCE(rnp->exp_tasks, &t->rcu_node_entry);
WARN_ON_ONCE(!(blkd_state & RCU_GP_BLKD) !=
!(rnp->qsmask & rdp->grpmask));
WARN_ON_ONCE(!(blkd_state & RCU_EXP_BLKD) !=
@@ -331,6 +331,7 @@ void rcu_note_context_switch(bool preempt)
rcu_qs();
if (rdp->exp_deferred_qs)
rcu_report_exp_rdp(rdp);
+ rcu_tasks_qs(current, preempt);
trace_rcu_utilization(TPS("End context switch"));
}
EXPORT_SYMBOL_GPL(rcu_note_context_switch);
@@ -345,9 +346,7 @@ static int rcu_preempt_blocked_readers_cgp(struct rcu_node *rnp)
return READ_ONCE(rnp->gp_tasks) != NULL;
}
-/* Bias and limit values for ->rcu_read_lock_nesting. */
-#define RCU_NEST_BIAS INT_MAX
-#define RCU_NEST_NMAX (-INT_MAX / 2)
+/* limit value for ->rcu_read_lock_nesting. */
#define RCU_NEST_PMAX (INT_MAX / 2)
static void rcu_preempt_read_enter(void)
@@ -355,9 +354,9 @@ static void rcu_preempt_read_enter(void)
current->rcu_read_lock_nesting++;
}
-static void rcu_preempt_read_exit(void)
+static int rcu_preempt_read_exit(void)
{
- current->rcu_read_lock_nesting--;
+ return --current->rcu_read_lock_nesting;
}
static void rcu_preempt_depth_set(int val)
@@ -390,21 +389,15 @@ void __rcu_read_unlock(void)
{
struct task_struct *t = current;
- if (rcu_preempt_depth() != 1) {
- rcu_preempt_read_exit();
- } else {
+ if (rcu_preempt_read_exit() == 0) {
barrier(); /* critical section before exit code. */
- rcu_preempt_depth_set(-RCU_NEST_BIAS);
- barrier(); /* assign before ->rcu_read_unlock_special load */
if (unlikely(READ_ONCE(t->rcu_read_unlock_special.s)))
rcu_read_unlock_special(t);
- barrier(); /* ->rcu_read_unlock_special load before assign */
- rcu_preempt_depth_set(0);
}
if (IS_ENABLED(CONFIG_PROVE_LOCKING)) {
int rrln = rcu_preempt_depth();
- WARN_ON_ONCE(rrln < 0 && rrln > RCU_NEST_NMAX);
+ WARN_ON_ONCE(rrln < 0 || rrln > RCU_NEST_PMAX);
}
}
EXPORT_SYMBOL_GPL(__rcu_read_unlock);
@@ -500,12 +493,12 @@ rcu_preempt_deferred_qs_irqrestore(struct task_struct *t, unsigned long flags)
if (&t->rcu_node_entry == rnp->gp_tasks)
WRITE_ONCE(rnp->gp_tasks, np);
if (&t->rcu_node_entry == rnp->exp_tasks)
- rnp->exp_tasks = np;
+ WRITE_ONCE(rnp->exp_tasks, np);
if (IS_ENABLED(CONFIG_RCU_BOOST)) {
/* Snapshot ->boost_mtx ownership w/rnp->lock held. */
drop_boost_mutex = rt_mutex_owner(&rnp->boost_mtx) == t;
if (&t->rcu_node_entry == rnp->boost_tasks)
- rnp->boost_tasks = np;
+ WRITE_ONCE(rnp->boost_tasks, np);
}
/*
@@ -556,7 +549,7 @@ static bool rcu_preempt_need_deferred_qs(struct task_struct *t)
{
return (__this_cpu_read(rcu_data.exp_deferred_qs) ||
READ_ONCE(t->rcu_read_unlock_special.s)) &&
- rcu_preempt_depth() <= 0;
+ rcu_preempt_depth() == 0;
}
/*
@@ -569,16 +562,11 @@ static bool rcu_preempt_need_deferred_qs(struct task_struct *t)
static void rcu_preempt_deferred_qs(struct task_struct *t)
{
unsigned long flags;
- bool couldrecurse = rcu_preempt_depth() >= 0;
if (!rcu_preempt_need_deferred_qs(t))
return;
- if (couldrecurse)
- rcu_preempt_depth_set(rcu_preempt_depth() - RCU_NEST_BIAS);
local_irq_save(flags);
rcu_preempt_deferred_qs_irqrestore(t, flags);
- if (couldrecurse)
- rcu_preempt_depth_set(rcu_preempt_depth() + RCU_NEST_BIAS);
}
/*
@@ -615,19 +603,18 @@ static void rcu_read_unlock_special(struct task_struct *t)
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
struct rcu_node *rnp = rdp->mynode;
- exp = (t->rcu_blocked_node && t->rcu_blocked_node->exp_tasks) ||
- (rdp->grpmask & READ_ONCE(rnp->expmask)) ||
- tick_nohz_full_cpu(rdp->cpu);
+ exp = (t->rcu_blocked_node &&
+ READ_ONCE(t->rcu_blocked_node->exp_tasks)) ||
+ (rdp->grpmask & READ_ONCE(rnp->expmask));
// Need to defer quiescent state until everything is enabled.
- if (irqs_were_disabled && use_softirq &&
- (in_interrupt() ||
- (exp && !t->rcu_read_unlock_special.b.deferred_qs))) {
- // Using softirq, safe to awaken, and we get
- // no help from enabling irqs, unlike bh/preempt.
+ if (use_softirq && (in_irq() || (exp && !irqs_were_disabled))) {
+ // Using softirq, safe to awaken, and either the
+ // wakeup is free or there is an expedited GP.
raise_softirq_irqoff(RCU_SOFTIRQ);
} else {
// Enabling BH or preempt does reschedule, so...
- // Also if no expediting or NO_HZ_FULL, slow is OK.
+ // Also if no expediting, slow is OK.
+ // Plus nohz_full CPUs eventually get tick enabled.
set_tsk_need_resched(current);
set_preempt_need_resched();
if (IS_ENABLED(CONFIG_IRQ_WORK) && irqs_were_disabled &&
@@ -640,7 +627,6 @@ static void rcu_read_unlock_special(struct task_struct *t)
irq_work_queue_on(&rdp->defer_qs_iw, rdp->cpu);
}
}
- t->rcu_read_unlock_special.b.deferred_qs = true;
local_irq_restore(flags);
return;
}
@@ -699,7 +685,7 @@ static void rcu_flavor_sched_clock_irq(int user)
} else if (rcu_preempt_need_deferred_qs(t)) {
rcu_preempt_deferred_qs(t); /* Report deferred QS. */
return;
- } else if (!rcu_preempt_depth()) {
+ } else if (!WARN_ON_ONCE(rcu_preempt_depth())) {
rcu_qs(); /* Report immediate QS. */
return;
}
@@ -760,8 +746,8 @@ dump_blkd_tasks(struct rcu_node *rnp, int ncheck)
pr_info("%s: %d:%d ->qsmask %#lx ->qsmaskinit %#lx ->qsmaskinitnext %#lx\n",
__func__, rnp1->grplo, rnp1->grphi, rnp1->qsmask, rnp1->qsmaskinit, rnp1->qsmaskinitnext);
pr_info("%s: ->gp_tasks %p ->boost_tasks %p ->exp_tasks %p\n",
- __func__, READ_ONCE(rnp->gp_tasks), rnp->boost_tasks,
- rnp->exp_tasks);
+ __func__, READ_ONCE(rnp->gp_tasks), data_race(rnp->boost_tasks),
+ READ_ONCE(rnp->exp_tasks));
pr_info("%s: ->blkd_tasks", __func__);
i = 0;
list_for_each(lhp, &rnp->blkd_tasks) {
@@ -854,8 +840,7 @@ void rcu_note_context_switch(bool preempt)
this_cpu_write(rcu_data.rcu_urgent_qs, false);
if (unlikely(raw_cpu_read(rcu_data.rcu_need_heavy_qs)))
rcu_momentary_dyntick_idle();
- if (!preempt)
- rcu_tasks_qs(current);
+ rcu_tasks_qs(current, preempt);
out:
trace_rcu_utilization(TPS("End context switch"));
}
@@ -1036,7 +1021,8 @@ static int rcu_boost_kthread(void *arg)
for (;;) {
WRITE_ONCE(rnp->boost_kthread_status, RCU_KTHREAD_WAITING);
trace_rcu_utilization(TPS("End boost kthread@rcu_wait"));
- rcu_wait(rnp->boost_tasks || rnp->exp_tasks);
+ rcu_wait(READ_ONCE(rnp->boost_tasks) ||
+ READ_ONCE(rnp->exp_tasks));
trace_rcu_utilization(TPS("Start boost kthread@rcu_wait"));
WRITE_ONCE(rnp->boost_kthread_status, RCU_KTHREAD_RUNNING);
more2boost = rcu_boost(rnp);
@@ -1079,9 +1065,9 @@ static void rcu_initiate_boost(struct rcu_node *rnp, unsigned long flags)
(rnp->gp_tasks != NULL &&
rnp->boost_tasks == NULL &&
rnp->qsmask == 0 &&
- (ULONG_CMP_GE(jiffies, rnp->boost_time) || rcu_state.cbovld))) {
+ (!time_after(rnp->boost_time, jiffies) || rcu_state.cbovld))) {
if (rnp->exp_tasks == NULL)
- rnp->boost_tasks = rnp->gp_tasks;
+ WRITE_ONCE(rnp->boost_tasks, rnp->gp_tasks);
raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
rcu_wake_cond(rnp->boost_kthread_task,
READ_ONCE(rnp->boost_kthread_status));
@@ -2536,7 +2522,7 @@ static bool rcu_nohz_full_cpu(void)
#ifdef CONFIG_NO_HZ_FULL
if (tick_nohz_full_cpu(smp_processor_id()) &&
(!rcu_gp_in_progress() ||
- ULONG_CMP_LT(jiffies, READ_ONCE(rcu_state.gp_start) + HZ)))
+ time_before(jiffies, READ_ONCE(rcu_state.gp_start) + HZ)))
return true;
#endif /* #ifdef CONFIG_NO_HZ_FULL */
return false;
@@ -2553,7 +2539,7 @@ static void rcu_bind_gp_kthread(void)
}
/* Record the current task on dyntick-idle entry. */
-static void rcu_dynticks_task_enter(void)
+static void noinstr rcu_dynticks_task_enter(void)
{
#if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL)
WRITE_ONCE(current->rcu_tasks_idle_cpu, smp_processor_id());
@@ -2561,9 +2547,27 @@ static void rcu_dynticks_task_enter(void)
}
/* Record no current task on dyntick-idle exit. */
-static void rcu_dynticks_task_exit(void)
+static void noinstr rcu_dynticks_task_exit(void)
{
#if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL)
WRITE_ONCE(current->rcu_tasks_idle_cpu, -1);
#endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */
}
+
+/* Turn on heavyweight RCU tasks trace readers on idle/user entry. */
+static void rcu_dynticks_task_trace_enter(void)
+{
+#ifdef CONFIG_TASKS_RCU_TRACE
+ if (IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB))
+ current->trc_reader_special.b.need_mb = true;
+#endif /* #ifdef CONFIG_TASKS_RCU_TRACE */
+}
+
+/* Turn off heavyweight RCU tasks trace readers on idle/user exit. */
+static void rcu_dynticks_task_trace_exit(void)
+{
+#ifdef CONFIG_TASKS_RCU_TRACE
+ if (IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB))
+ current->trc_reader_special.b.need_mb = false;
+#endif /* #ifdef CONFIG_TASKS_RCU_TRACE */
+}
diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h
index 119ed6afd20f..ae76bd329582 100644
--- a/kernel/rcu/tree_stall.h
+++ b/kernel/rcu/tree_stall.h
@@ -15,10 +15,12 @@
int sysctl_panic_on_rcu_stall __read_mostly;
#ifdef CONFIG_PROVE_RCU
-#define RCU_STALL_DELAY_DELTA (5 * HZ)
+#define RCU_STALL_DELAY_DELTA (5 * HZ)
#else
-#define RCU_STALL_DELAY_DELTA 0
+#define RCU_STALL_DELAY_DELTA 0
#endif
+#define RCU_STALL_MIGHT_DIV 8
+#define RCU_STALL_MIGHT_MIN (2 * HZ)
/* Limit-check stall timeouts specified at boottime and runtime. */
int rcu_jiffies_till_stall_check(void)
@@ -40,6 +42,36 @@ int rcu_jiffies_till_stall_check(void)
}
EXPORT_SYMBOL_GPL(rcu_jiffies_till_stall_check);
+/**
+ * rcu_gp_might_be_stalled - Is it likely that the grace period is stalled?
+ *
+ * Returns @true if the current grace period is sufficiently old that
+ * it is reasonable to assume that it might be stalled. This can be
+ * useful when deciding whether to allocate memory to enable RCU-mediated
+ * freeing on the one hand or just invoking synchronize_rcu() on the other.
+ * The latter is preferable when the grace period is stalled.
+ *
+ * Note that sampling of the .gp_start and .gp_seq fields must be done
+ * carefully to avoid false positives at the beginnings and ends of
+ * grace periods.
+ */
+bool rcu_gp_might_be_stalled(void)
+{
+ unsigned long d = rcu_jiffies_till_stall_check() / RCU_STALL_MIGHT_DIV;
+ unsigned long j = jiffies;
+
+ if (d < RCU_STALL_MIGHT_MIN)
+ d = RCU_STALL_MIGHT_MIN;
+ smp_mb(); // jiffies before .gp_seq to avoid false positives.
+ if (!rcu_gp_in_progress())
+ return false;
+ // Long delays at this point avoids false positive, but a delay
+ // of ULONG_MAX/4 jiffies voids your no-false-positive warranty.
+ smp_mb(); // .gp_seq before second .gp_start
+ // And ditto here.
+ return !time_before(j, READ_ONCE(rcu_state.gp_start) + d);
+}
+
/* Don't do RCU CPU stall warnings during long sysrq printouts. */
void rcu_sysrq_start(void)
{
@@ -104,8 +136,8 @@ static void record_gp_stall_check_time(void)
WRITE_ONCE(rcu_state.gp_start, j);
j1 = rcu_jiffies_till_stall_check();
- /* Record ->gp_start before ->jiffies_stall. */
- smp_store_release(&rcu_state.jiffies_stall, j + j1); /* ^^^ */
+ smp_mb(); // ->gp_start before ->jiffies_stall and caller's ->gp_seq.
+ WRITE_ONCE(rcu_state.jiffies_stall, j + j1);
rcu_state.jiffies_resched = j + j1 / 2;
rcu_state.n_force_qs_gpstart = READ_ONCE(rcu_state.n_force_qs);
}
@@ -192,14 +224,40 @@ static void rcu_print_detail_task_stall_rnp(struct rcu_node *rnp)
raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
}
+// Communicate task state back to the RCU CPU stall warning request.
+struct rcu_stall_chk_rdr {
+ int nesting;
+ union rcu_special rs;
+ bool on_blkd_list;
+};
+
+/*
+ * Report out the state of a not-running task that is stalling the
+ * current RCU grace period.
+ */
+static bool check_slow_task(struct task_struct *t, void *arg)
+{
+ struct rcu_node *rnp;
+ struct rcu_stall_chk_rdr *rscrp = arg;
+
+ if (task_curr(t))
+ return false; // It is running, so decline to inspect it.
+ rscrp->nesting = t->rcu_read_lock_nesting;
+ rscrp->rs = t->rcu_read_unlock_special;
+ rnp = t->rcu_blocked_node;
+ rscrp->on_blkd_list = !list_empty(&t->rcu_node_entry);
+ return true;
+}
+
/*
* Scan the current list of tasks blocked within RCU read-side critical
* sections, printing out the tid of each.
*/
static int rcu_print_task_stall(struct rcu_node *rnp)
{
- struct task_struct *t;
int ndetected = 0;
+ struct rcu_stall_chk_rdr rscr;
+ struct task_struct *t;
if (!rcu_preempt_blocked_readers_cgp(rnp))
return 0;
@@ -208,7 +266,15 @@ static int rcu_print_task_stall(struct rcu_node *rnp)
t = list_entry(rnp->gp_tasks->prev,
struct task_struct, rcu_node_entry);
list_for_each_entry_continue(t, &rnp->blkd_tasks, rcu_node_entry) {
- pr_cont(" P%d", t->pid);
+ if (!try_invoke_on_locked_down_task(t, check_slow_task, &rscr))
+ pr_cont(" P%d", t->pid);
+ else
+ pr_cont(" P%d/%d:%c%c%c%c",
+ t->pid, rscr.nesting,
+ ".b"[rscr.rs.b.blocked],
+ ".q"[rscr.rs.b.need_qs],
+ ".e"[rscr.rs.b.exp_hint],
+ ".l"[rscr.on_blkd_list]);
ndetected++;
}
pr_cont("\n");
@@ -299,6 +365,16 @@ static const char *gp_state_getname(short gs)
return gp_state_names[gs];
}
+/* Is the RCU grace-period kthread being starved of CPU time? */
+static bool rcu_is_gp_kthread_starving(unsigned long *jp)
+{
+ unsigned long j = jiffies - READ_ONCE(rcu_state.gp_activity);
+
+ if (jp)
+ *jp = j;
+ return j > 2 * HZ;
+}
+
/*
* Print out diagnostic information for the specified stalled CPU.
*
@@ -313,6 +389,7 @@ static const char *gp_state_getname(short gs)
static void print_cpu_stall_info(int cpu)
{
unsigned long delta;
+ bool falsepositive;
char fast_no_hz[72];
struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu);
char *ticks_title;
@@ -333,7 +410,9 @@ static void print_cpu_stall_info(int cpu)
}
print_cpu_stall_fast_no_hz(fast_no_hz, cpu);
delta = rcu_seq_ctr(rdp->mynode->gp_seq - rdp->rcu_iw_gp_seq);
- pr_err("\t%d-%c%c%c%c: (%lu %s) idle=%03x/%ld/%#lx softirq=%u/%u fqs=%ld %s\n",
+ falsepositive = rcu_is_gp_kthread_starving(NULL) &&
+ rcu_dynticks_in_eqs(rcu_dynticks_snap(rdp));
+ pr_err("\t%d-%c%c%c%c: (%lu %s) idle=%03x/%ld/%#lx softirq=%u/%u fqs=%ld %s%s\n",
cpu,
"O."[!!cpu_online(cpu)],
"o."[!!(rdp->grpmask & rdp->mynode->qsmaskinit)],
@@ -345,8 +424,9 @@ static void print_cpu_stall_info(int cpu)
rcu_dynticks_snap(rdp) & 0xfff,
rdp->dynticks_nesting, rdp->dynticks_nmi_nesting,
rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu),
- READ_ONCE(rcu_state.n_force_qs) - rcu_state.n_force_qs_gpstart,
- fast_no_hz);
+ data_race(rcu_state.n_force_qs) - rcu_state.n_force_qs_gpstart,
+ fast_no_hz,
+ falsepositive ? " (false positive?)" : "");
}
/* Complain about starvation of grace-period kthread. */
@@ -355,15 +435,15 @@ static void rcu_check_gp_kthread_starvation(void)
struct task_struct *gpk = rcu_state.gp_kthread;
unsigned long j;
- j = jiffies - READ_ONCE(rcu_state.gp_activity);
- if (j > 2 * HZ) {
+ if (rcu_is_gp_kthread_starving(&j)) {
pr_err("%s kthread starved for %ld jiffies! g%ld f%#x %s(%d) ->state=%#lx ->cpu=%d\n",
rcu_state.name, j,
(long)rcu_seq_current(&rcu_state.gp_seq),
- READ_ONCE(rcu_state.gp_flags),
+ data_race(rcu_state.gp_flags),
gp_state_getname(rcu_state.gp_state), rcu_state.gp_state,
gpk ? gpk->state : ~0, gpk ? task_cpu(gpk) : -1);
if (gpk) {
+ pr_err("\tUnless %s kthread gets sufficient CPU time, OOM is now expected behavior.\n", rcu_state.name);
pr_err("RCU grace-period kthread stack dump:\n");
sched_show_task(gpk);
wake_up_process(gpk);
@@ -371,7 +451,7 @@ static void rcu_check_gp_kthread_starvation(void)
}
}
-static void print_other_cpu_stall(unsigned long gp_seq)
+static void print_other_cpu_stall(unsigned long gp_seq, unsigned long gps)
{
int cpu;
unsigned long flags;
@@ -408,7 +488,7 @@ static void print_other_cpu_stall(unsigned long gp_seq)
for_each_possible_cpu(cpu)
totqlen += rcu_get_n_cbs_cpu(cpu);
pr_cont("\t(detected by %d, t=%ld jiffies, g=%ld, q=%lu)\n",
- smp_processor_id(), (long)(jiffies - rcu_state.gp_start),
+ smp_processor_id(), (long)(jiffies - gps),
(long)rcu_seq_current(&rcu_state.gp_seq), totqlen);
if (ndetected) {
rcu_dump_cpu_stacks();
@@ -421,13 +501,11 @@ static void print_other_cpu_stall(unsigned long gp_seq)
pr_err("INFO: Stall ended before state dump start\n");
} else {
j = jiffies;
- gpa = READ_ONCE(rcu_state.gp_activity);
+ gpa = data_race(rcu_state.gp_activity);
pr_err("All QSes seen, last %s kthread activity %ld (%ld-%ld), jiffies_till_next_fqs=%ld, root ->qsmask %#lx\n",
rcu_state.name, j - gpa, j, gpa,
- READ_ONCE(jiffies_till_next_fqs),
+ data_race(jiffies_till_next_fqs),
rcu_get_root()->qsmask);
- /* In this case, the current CPU might be at fault. */
- sched_show_task(current);
}
}
/* Rewrite if needed in case of slow consoles. */
@@ -442,7 +520,7 @@ static void print_other_cpu_stall(unsigned long gp_seq)
rcu_force_quiescent_state(); /* Kick them all. */
}
-static void print_cpu_stall(void)
+static void print_cpu_stall(unsigned long gps)
{
int cpu;
unsigned long flags;
@@ -467,7 +545,7 @@ static void print_cpu_stall(void)
for_each_possible_cpu(cpu)
totqlen += rcu_get_n_cbs_cpu(cpu);
pr_cont("\t(t=%lu jiffies g=%ld q=%lu)\n",
- jiffies - rcu_state.gp_start,
+ jiffies - gps,
(long)rcu_seq_current(&rcu_state.gp_seq), totqlen);
rcu_check_gp_kthread_starvation();
@@ -546,7 +624,7 @@ static void check_cpu_stall(struct rcu_data *rdp)
cmpxchg(&rcu_state.jiffies_stall, js, jn) == js) {
/* We haven't checked in, so go dump stack. */
- print_cpu_stall();
+ print_cpu_stall(gps);
if (rcu_cpu_stall_ftrace_dump)
rcu_ftrace_dump(DUMP_ALL);
@@ -555,7 +633,7 @@ static void check_cpu_stall(struct rcu_data *rdp)
cmpxchg(&rcu_state.jiffies_stall, js, jn) == js) {
/* They had a few time units to dump stack, so complain. */
- print_other_cpu_stall(gs2);
+ print_other_cpu_stall(gs2, gps);
if (rcu_cpu_stall_ftrace_dump)
rcu_ftrace_dump(DUMP_ALL);
}
@@ -581,23 +659,23 @@ void show_rcu_gp_kthreads(void)
struct task_struct *t = READ_ONCE(rcu_state.gp_kthread);
j = jiffies;
- ja = j - READ_ONCE(rcu_state.gp_activity);
- jr = j - READ_ONCE(rcu_state.gp_req_activity);
- jw = j - READ_ONCE(rcu_state.gp_wake_time);
+ ja = j - data_race(rcu_state.gp_activity);
+ jr = j - data_race(rcu_state.gp_req_activity);
+ jw = j - data_race(rcu_state.gp_wake_time);
pr_info("%s: wait state: %s(%d) ->state: %#lx delta ->gp_activity %lu ->gp_req_activity %lu ->gp_wake_time %lu ->gp_wake_seq %ld ->gp_seq %ld ->gp_seq_needed %ld ->gp_flags %#x\n",
rcu_state.name, gp_state_getname(rcu_state.gp_state),
rcu_state.gp_state, t ? t->state : 0x1ffffL,
- ja, jr, jw, (long)READ_ONCE(rcu_state.gp_wake_seq),
- (long)READ_ONCE(rcu_state.gp_seq),
- (long)READ_ONCE(rcu_get_root()->gp_seq_needed),
- READ_ONCE(rcu_state.gp_flags));
+ ja, jr, jw, (long)data_race(rcu_state.gp_wake_seq),
+ (long)data_race(rcu_state.gp_seq),
+ (long)data_race(rcu_get_root()->gp_seq_needed),
+ data_race(rcu_state.gp_flags));
rcu_for_each_node_breadth_first(rnp) {
if (ULONG_CMP_GE(READ_ONCE(rcu_state.gp_seq),
READ_ONCE(rnp->gp_seq_needed)))
continue;
pr_info("\trcu_node %d:%d ->gp_seq %ld ->gp_seq_needed %ld\n",
- rnp->grplo, rnp->grphi, (long)READ_ONCE(rnp->gp_seq),
- (long)READ_ONCE(rnp->gp_seq_needed));
+ rnp->grplo, rnp->grphi, (long)data_race(rnp->gp_seq),
+ (long)data_race(rnp->gp_seq_needed));
if (!rcu_is_leaf_node(rnp))
continue;
for_each_leaf_node_possible_cpu(rnp, cpu) {
@@ -607,7 +685,7 @@ void show_rcu_gp_kthreads(void)
READ_ONCE(rdp->gp_seq_needed)))
continue;
pr_info("\tcpu %d ->gp_seq_needed %ld\n",
- cpu, (long)READ_ONCE(rdp->gp_seq_needed));
+ cpu, (long)data_race(rdp->gp_seq_needed));
}
}
for_each_possible_cpu(cpu) {
@@ -615,7 +693,7 @@ void show_rcu_gp_kthreads(void)
if (rcu_segcblist_is_offloaded(&rdp->cblist))
show_rcu_nocb_state(rdp);
}
- /* sched_show_task(rcu_state.gp_kthread); */
+ show_rcu_tasks_gp_kthreads();
}
EXPORT_SYMBOL_GPL(show_rcu_gp_kthreads);
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c
index 28a8bdc5072f..84843adfd939 100644
--- a/kernel/rcu/update.c
+++ b/kernel/rcu/update.c
@@ -41,6 +41,7 @@
#include <linux/sched/isolation.h>
#include <linux/kprobes.h>
#include <linux/slab.h>
+#include <linux/irq_work.h>
#define CREATE_TRACE_POINTS
@@ -51,6 +52,19 @@
#endif
#define MODULE_PARAM_PREFIX "rcupdate."
+#ifndef data_race
+#define data_race(expr) \
+ ({ \
+ expr; \
+ })
+#endif
+#ifndef ASSERT_EXCLUSIVE_WRITER
+#define ASSERT_EXCLUSIVE_WRITER(var) do { } while (0)
+#endif
+#ifndef ASSERT_EXCLUSIVE_ACCESS
+#define ASSERT_EXCLUSIVE_ACCESS(var) do { } while (0)
+#endif
+
#ifndef CONFIG_TINY_RCU
module_param(rcu_expedited, int, 0);
module_param(rcu_normal, int, 0);
@@ -63,12 +77,12 @@ module_param(rcu_normal_after_boot, int, 0);
* rcu_read_lock_held_common() - might we be in RCU-sched read-side critical section?
* @ret: Best guess answer if lockdep cannot be relied on
*
- * Returns true if lockdep must be ignored, in which case *ret contains
+ * Returns true if lockdep must be ignored, in which case ``*ret`` contains
* the best guess described below. Otherwise returns false, in which
- * case *ret tells the caller nothing and the caller should instead
+ * case ``*ret`` tells the caller nothing and the caller should instead
* consult lockdep.
*
- * If CONFIG_DEBUG_LOCK_ALLOC is selected, set *ret to nonzero iff in an
+ * If CONFIG_DEBUG_LOCK_ALLOC is selected, set ``*ret`` to nonzero iff in an
* RCU-sched read-side critical section. In absence of
* CONFIG_DEBUG_LOCK_ALLOC, this assumes we are in an RCU-sched read-side
* critical section unless it can prove otherwise. Note that disabling
@@ -82,7 +96,7 @@ module_param(rcu_normal_after_boot, int, 0);
*
* Note that if the CPU is in the idle loop from an RCU point of view (ie:
* that we are in the section between rcu_idle_enter() and rcu_idle_exit())
- * then rcu_read_lock_held() sets *ret to false even if the CPU did an
+ * then rcu_read_lock_held() sets ``*ret`` to false even if the CPU did an
* rcu_read_lock(). The reason for this is that RCU ignores CPUs that are
* in such a section, considering these as in extended quiescent state,
* so such a CPU is effectively never in an RCU read-side critical section
@@ -98,15 +112,15 @@ module_param(rcu_normal_after_boot, int, 0);
static bool rcu_read_lock_held_common(bool *ret)
{
if (!debug_lockdep_rcu_enabled()) {
- *ret = 1;
+ *ret = true;
return true;
}
if (!rcu_is_watching()) {
- *ret = 0;
+ *ret = false;
return true;
}
if (!rcu_lockdep_current_cpu_online()) {
- *ret = 0;
+ *ret = false;
return true;
}
return false;
@@ -270,13 +284,12 @@ struct lockdep_map rcu_callback_map =
STATIC_LOCKDEP_MAP_INIT("rcu_callback", &rcu_callback_key);
EXPORT_SYMBOL_GPL(rcu_callback_map);
-int notrace debug_lockdep_rcu_enabled(void)
+noinstr int notrace debug_lockdep_rcu_enabled(void)
{
return rcu_scheduler_active != RCU_SCHEDULER_INACTIVE && debug_locks &&
current->lockdep_recursion == 0;
}
EXPORT_SYMBOL_GPL(debug_lockdep_rcu_enabled);
-NOKPROBE_SYMBOL(debug_lockdep_rcu_enabled);
/**
* rcu_read_lock_held() - might we be in RCU read-side critical section?
@@ -501,370 +514,6 @@ int rcu_cpu_stall_suppress_at_boot __read_mostly; // !0 = suppress boot stalls.
EXPORT_SYMBOL_GPL(rcu_cpu_stall_suppress_at_boot);
module_param(rcu_cpu_stall_suppress_at_boot, int, 0444);
-#ifdef CONFIG_TASKS_RCU
-
-/*
- * Simple variant of RCU whose quiescent states are voluntary context
- * switch, cond_resched_rcu_qs(), user-space execution, and idle.
- * As such, grace periods can take one good long time. There are no
- * read-side primitives similar to rcu_read_lock() and rcu_read_unlock()
- * because this implementation is intended to get the system into a safe
- * state for some of the manipulations involved in tracing and the like.
- * Finally, this implementation does not support high call_rcu_tasks()
- * rates from multiple CPUs. If this is required, per-CPU callback lists
- * will be needed.
- */
-
-/* Global list of callbacks and associated lock. */
-static struct rcu_head *rcu_tasks_cbs_head;
-static struct rcu_head **rcu_tasks_cbs_tail = &rcu_tasks_cbs_head;
-static DECLARE_WAIT_QUEUE_HEAD(rcu_tasks_cbs_wq);
-static DEFINE_RAW_SPINLOCK(rcu_tasks_cbs_lock);
-
-/* Track exiting tasks in order to allow them to be waited for. */
-DEFINE_STATIC_SRCU(tasks_rcu_exit_srcu);
-
-/* Control stall timeouts. Disable with <= 0, otherwise jiffies till stall. */
-#define RCU_TASK_STALL_TIMEOUT (HZ * 60 * 10)
-static int rcu_task_stall_timeout __read_mostly = RCU_TASK_STALL_TIMEOUT;
-module_param(rcu_task_stall_timeout, int, 0644);
-
-static struct task_struct *rcu_tasks_kthread_ptr;
-
-/**
- * call_rcu_tasks() - Queue an RCU for invocation task-based grace period
- * @rhp: structure to be used for queueing the RCU updates.
- * @func: actual callback function to be invoked after the grace period
- *
- * The callback function will be invoked some time after a full grace
- * period elapses, in other words after all currently executing RCU
- * read-side critical sections have completed. call_rcu_tasks() assumes
- * that the read-side critical sections end at a voluntary context
- * switch (not a preemption!), cond_resched_rcu_qs(), entry into idle,
- * or transition to usermode execution. As such, there are no read-side
- * primitives analogous to rcu_read_lock() and rcu_read_unlock() because
- * this primitive is intended to determine that all tasks have passed
- * through a safe state, not so much for data-strcuture synchronization.
- *
- * See the description of call_rcu() for more detailed information on
- * memory ordering guarantees.
- */
-void call_rcu_tasks(struct rcu_head *rhp, rcu_callback_t func)
-{
- unsigned long flags;
- bool needwake;
-
- rhp->next = NULL;
- rhp->func = func;
- raw_spin_lock_irqsave(&rcu_tasks_cbs_lock, flags);
- needwake = !rcu_tasks_cbs_head;
- WRITE_ONCE(*rcu_tasks_cbs_tail, rhp);
- rcu_tasks_cbs_tail = &rhp->next;
- raw_spin_unlock_irqrestore(&rcu_tasks_cbs_lock, flags);
- /* We can't create the thread unless interrupts are enabled. */
- if (needwake && READ_ONCE(rcu_tasks_kthread_ptr))
- wake_up(&rcu_tasks_cbs_wq);
-}
-EXPORT_SYMBOL_GPL(call_rcu_tasks);
-
-/**
- * synchronize_rcu_tasks - wait until an rcu-tasks grace period has elapsed.
- *
- * Control will return to the caller some time after a full rcu-tasks
- * grace period has elapsed, in other words after all currently
- * executing rcu-tasks read-side critical sections have elapsed. These
- * read-side critical sections are delimited by calls to schedule(),
- * cond_resched_tasks_rcu_qs(), idle execution, userspace execution, calls
- * to synchronize_rcu_tasks(), and (in theory, anyway) cond_resched().
- *
- * This is a very specialized primitive, intended only for a few uses in
- * tracing and other situations requiring manipulation of function
- * preambles and profiling hooks. The synchronize_rcu_tasks() function
- * is not (yet) intended for heavy use from multiple CPUs.
- *
- * Note that this guarantee implies further memory-ordering guarantees.
- * On systems with more than one CPU, when synchronize_rcu_tasks() returns,
- * each CPU is guaranteed to have executed a full memory barrier since the
- * end of its last RCU-tasks read-side critical section whose beginning
- * preceded the call to synchronize_rcu_tasks(). In addition, each CPU
- * having an RCU-tasks read-side critical section that extends beyond
- * the return from synchronize_rcu_tasks() is guaranteed to have executed
- * a full memory barrier after the beginning of synchronize_rcu_tasks()
- * and before the beginning of that RCU-tasks read-side critical section.
- * Note that these guarantees include CPUs that are offline, idle, or
- * executing in user mode, as well as CPUs that are executing in the kernel.
- *
- * Furthermore, if CPU A invoked synchronize_rcu_tasks(), which returned
- * to its caller on CPU B, then both CPU A and CPU B are guaranteed
- * to have executed a full memory barrier during the execution of
- * synchronize_rcu_tasks() -- even if CPU A and CPU B are the same CPU
- * (but again only if the system has more than one CPU).
- */
-void synchronize_rcu_tasks(void)
-{
- /* Complain if the scheduler has not started. */
- RCU_LOCKDEP_WARN(rcu_scheduler_active == RCU_SCHEDULER_INACTIVE,
- "synchronize_rcu_tasks called too soon");
-
- /* Wait for the grace period. */
- wait_rcu_gp(call_rcu_tasks);
-}
-EXPORT_SYMBOL_GPL(synchronize_rcu_tasks);
-
-/**
- * rcu_barrier_tasks - Wait for in-flight call_rcu_tasks() callbacks.
- *
- * Although the current implementation is guaranteed to wait, it is not
- * obligated to, for example, if there are no pending callbacks.
- */
-void rcu_barrier_tasks(void)
-{
- /* There is only one callback queue, so this is easy. ;-) */
- synchronize_rcu_tasks();
-}
-EXPORT_SYMBOL_GPL(rcu_barrier_tasks);
-
-/* See if tasks are still holding out, complain if so. */
-static void check_holdout_task(struct task_struct *t,
- bool needreport, bool *firstreport)
-{
- int cpu;
-
- if (!READ_ONCE(t->rcu_tasks_holdout) ||
- t->rcu_tasks_nvcsw != READ_ONCE(t->nvcsw) ||
- !READ_ONCE(t->on_rq) ||
- (IS_ENABLED(CONFIG_NO_HZ_FULL) &&
- !is_idle_task(t) && t->rcu_tasks_idle_cpu >= 0)) {
- WRITE_ONCE(t->rcu_tasks_holdout, false);
- list_del_init(&t->rcu_tasks_holdout_list);
- put_task_struct(t);
- return;
- }
- rcu_request_urgent_qs_task(t);
- if (!needreport)
- return;
- if (*firstreport) {
- pr_err("INFO: rcu_tasks detected stalls on tasks:\n");
- *firstreport = false;
- }
- cpu = task_cpu(t);
- pr_alert("%p: %c%c nvcsw: %lu/%lu holdout: %d idle_cpu: %d/%d\n",
- t, ".I"[is_idle_task(t)],
- "N."[cpu < 0 || !tick_nohz_full_cpu(cpu)],
- t->rcu_tasks_nvcsw, t->nvcsw, t->rcu_tasks_holdout,
- t->rcu_tasks_idle_cpu, cpu);
- sched_show_task(t);
-}
-
-/* RCU-tasks kthread that detects grace periods and invokes callbacks. */
-static int __noreturn rcu_tasks_kthread(void *arg)
-{
- unsigned long flags;
- struct task_struct *g, *t;
- unsigned long lastreport;
- struct rcu_head *list;
- struct rcu_head *next;
- LIST_HEAD(rcu_tasks_holdouts);
- int fract;
-
- /* Run on housekeeping CPUs by default. Sysadm can move if desired. */
- housekeeping_affine(current, HK_FLAG_RCU);
-
- /*
- * Each pass through the following loop makes one check for
- * newly arrived callbacks, and, if there are some, waits for
- * one RCU-tasks grace period and then invokes the callbacks.
- * This loop is terminated by the system going down. ;-)
- */
- for (;;) {
-
- /* Pick up any new callbacks. */
- raw_spin_lock_irqsave(&rcu_tasks_cbs_lock, flags);
- list = rcu_tasks_cbs_head;
- rcu_tasks_cbs_head = NULL;
- rcu_tasks_cbs_tail = &rcu_tasks_cbs_head;
- raw_spin_unlock_irqrestore(&rcu_tasks_cbs_lock, flags);
-
- /* If there were none, wait a bit and start over. */
- if (!list) {
- wait_event_interruptible(rcu_tasks_cbs_wq,
- READ_ONCE(rcu_tasks_cbs_head));
- if (!rcu_tasks_cbs_head) {
- WARN_ON(signal_pending(current));
- schedule_timeout_interruptible(HZ/10);
- }
- continue;
- }
-
- /*
- * Wait for all pre-existing t->on_rq and t->nvcsw
- * transitions to complete. Invoking synchronize_rcu()
- * suffices because all these transitions occur with
- * interrupts disabled. Without this synchronize_rcu(),
- * a read-side critical section that started before the
- * grace period might be incorrectly seen as having started
- * after the grace period.
- *
- * This synchronize_rcu() also dispenses with the
- * need for a memory barrier on the first store to
- * ->rcu_tasks_holdout, as it forces the store to happen
- * after the beginning of the grace period.
- */
- synchronize_rcu();
-
- /*
- * There were callbacks, so we need to wait for an
- * RCU-tasks grace period. Start off by scanning
- * the task list for tasks that are not already
- * voluntarily blocked. Mark these tasks and make
- * a list of them in rcu_tasks_holdouts.
- */
- rcu_read_lock();
- for_each_process_thread(g, t) {
- if (t != current && READ_ONCE(t->on_rq) &&
- !is_idle_task(t)) {
- get_task_struct(t);
- t->rcu_tasks_nvcsw = READ_ONCE(t->nvcsw);
- WRITE_ONCE(t->rcu_tasks_holdout, true);
- list_add(&t->rcu_tasks_holdout_list,
- &rcu_tasks_holdouts);
- }
- }
- rcu_read_unlock();
-
- /*
- * Wait for tasks that are in the process of exiting.
- * This does only part of the job, ensuring that all
- * tasks that were previously exiting reach the point
- * where they have disabled preemption, allowing the
- * later synchronize_rcu() to finish the job.
- */
- synchronize_srcu(&tasks_rcu_exit_srcu);
-
- /*
- * Each pass through the following loop scans the list
- * of holdout tasks, removing any that are no longer
- * holdouts. When the list is empty, we are done.
- */
- lastreport = jiffies;
-
- /* Start off with HZ/10 wait and slowly back off to 1 HZ wait*/
- fract = 10;
-
- for (;;) {
- bool firstreport;
- bool needreport;
- int rtst;
- struct task_struct *t1;
-
- if (list_empty(&rcu_tasks_holdouts))
- break;
-
- /* Slowly back off waiting for holdouts */
- schedule_timeout_interruptible(HZ/fract);
-
- if (fract > 1)
- fract--;
-
- rtst = READ_ONCE(rcu_task_stall_timeout);
- needreport = rtst > 0 &&
- time_after(jiffies, lastreport + rtst);
- if (needreport)
- lastreport = jiffies;
- firstreport = true;
- WARN_ON(signal_pending(current));
- list_for_each_entry_safe(t, t1, &rcu_tasks_holdouts,
- rcu_tasks_holdout_list) {
- check_holdout_task(t, needreport, &firstreport);
- cond_resched();
- }
- }
-
- /*
- * Because ->on_rq and ->nvcsw are not guaranteed
- * to have a full memory barriers prior to them in the
- * schedule() path, memory reordering on other CPUs could
- * cause their RCU-tasks read-side critical sections to
- * extend past the end of the grace period. However,
- * because these ->nvcsw updates are carried out with
- * interrupts disabled, we can use synchronize_rcu()
- * to force the needed ordering on all such CPUs.
- *
- * This synchronize_rcu() also confines all
- * ->rcu_tasks_holdout accesses to be within the grace
- * period, avoiding the need for memory barriers for
- * ->rcu_tasks_holdout accesses.
- *
- * In addition, this synchronize_rcu() waits for exiting
- * tasks to complete their final preempt_disable() region
- * of execution, cleaning up after the synchronize_srcu()
- * above.
- */
- synchronize_rcu();
-
- /* Invoke the callbacks. */
- while (list) {
- next = list->next;
- local_bh_disable();
- list->func(list);
- local_bh_enable();
- list = next;
- cond_resched();
- }
- /* Paranoid sleep to keep this from entering a tight loop */
- schedule_timeout_uninterruptible(HZ/10);
- }
-}
-
-/* Spawn rcu_tasks_kthread() at core_initcall() time. */
-static int __init rcu_spawn_tasks_kthread(void)
-{
- struct task_struct *t;
-
- t = kthread_run(rcu_tasks_kthread, NULL, "rcu_tasks_kthread");
- if (WARN_ONCE(IS_ERR(t), "%s: Could not start Tasks-RCU grace-period kthread, OOM is now expected behavior\n", __func__))
- return 0;
- smp_mb(); /* Ensure others see full kthread. */
- WRITE_ONCE(rcu_tasks_kthread_ptr, t);
- return 0;
-}
-core_initcall(rcu_spawn_tasks_kthread);
-
-/* Do the srcu_read_lock() for the above synchronize_srcu(). */
-void exit_tasks_rcu_start(void) __acquires(&tasks_rcu_exit_srcu)
-{
- preempt_disable();
- current->rcu_tasks_idx = __srcu_read_lock(&tasks_rcu_exit_srcu);
- preempt_enable();
-}
-
-/* Do the srcu_read_unlock() for the above synchronize_srcu(). */
-void exit_tasks_rcu_finish(void) __releases(&tasks_rcu_exit_srcu)
-{
- preempt_disable();
- __srcu_read_unlock(&tasks_rcu_exit_srcu, current->rcu_tasks_idx);
- preempt_enable();
-}
-
-#endif /* #ifdef CONFIG_TASKS_RCU */
-
-#ifndef CONFIG_TINY_RCU
-
-/*
- * Print any non-default Tasks RCU settings.
- */
-static void __init rcu_tasks_bootup_oddness(void)
-{
-#ifdef CONFIG_TASKS_RCU
- if (rcu_task_stall_timeout != RCU_TASK_STALL_TIMEOUT)
- pr_info("\tTasks-RCU CPU stall warnings timeout set to %d (rcu_task_stall_timeout).\n", rcu_task_stall_timeout);
- else
- pr_info("\tTasks RCU enabled.\n");
-#endif /* #ifdef CONFIG_TASKS_RCU */
-}
-
-#endif /* #ifndef CONFIG_TINY_RCU */
-
#ifdef CONFIG_PROVE_RCU
/*
@@ -935,6 +584,8 @@ late_initcall(rcu_verify_early_boot_tests);
void rcu_early_boot_tests(void) {}
#endif /* CONFIG_PROVE_RCU */
+#include "tasks.h"
+
#ifndef CONFIG_TINY_RCU
/*
diff --git a/kernel/reboot.c b/kernel/reboot.c
index c4d472b7f1b4..491f1347bf43 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -250,7 +250,7 @@ void kernel_restart(char *cmd)
pr_emerg("Restarting system\n");
else
pr_emerg("Restarting system with command '%s'\n", cmd);
- kmsg_dump(KMSG_DUMP_RESTART);
+ kmsg_dump(KMSG_DUMP_SHUTDOWN);
machine_restart(cmd);
}
EXPORT_SYMBOL_GPL(kernel_restart);
@@ -274,7 +274,7 @@ void kernel_halt(void)
migrate_to_reboot_cpu();
syscore_shutdown();
pr_emerg("System halted\n");
- kmsg_dump(KMSG_DUMP_HALT);
+ kmsg_dump(KMSG_DUMP_SHUTDOWN);
machine_halt();
}
EXPORT_SYMBOL_GPL(kernel_halt);
@@ -292,7 +292,7 @@ void kernel_power_off(void)
migrate_to_reboot_cpu();
syscore_shutdown();
pr_emerg("Power down\n");
- kmsg_dump(KMSG_DUMP_POWEROFF);
+ kmsg_dump(KMSG_DUMP_SHUTDOWN);
machine_power_off();
}
EXPORT_SYMBOL_GPL(kernel_power_off);
diff --git a/kernel/relay.c b/kernel/relay.c
index ade14fb7ce2e..90c7a002436d 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1,7 +1,7 @@
/*
* Public API and common code for kernel->userspace relay file support.
*
- * See Documentation/filesystems/relay.txt for an overview.
+ * See Documentation/filesystems/relay.rst for an overview.
*
* Copyright (C) 2002-2005 - Tom Zanussi (zanussi@us.ibm.com), IBM Corp
* Copyright (C) 1999-2005 - Karim Yaghmour (karim@opersys.com)
@@ -1177,10 +1177,9 @@ static void relay_pipe_buf_release(struct pipe_inode_info *pipe,
}
static const struct pipe_buf_operations relay_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = relay_pipe_buf_release,
- .steal = generic_pipe_buf_steal,
- .get = generic_pipe_buf_get,
+ .release = relay_pipe_buf_release,
+ .try_steal = generic_pipe_buf_try_steal,
+ .get = generic_pipe_buf_get,
};
static void relay_page_release(struct splice_pipe_desc *spd, unsigned int i)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 3a61a3b8eaa9..8298b2c240ce 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -11,6 +11,7 @@
#include <linux/nospec.h>
#include <linux/kcov.h>
+#include <linux/scs.h>
#include <asm/switch_to.h>
#include <asm/tlb.h>
@@ -20,6 +21,7 @@
#include "../smpboot.h"
#include "pelt.h"
+#include "smp.h"
#define CREATE_TRACE_POINTS
#include <trace/events/sched.h>
@@ -219,6 +221,13 @@ void update_rq_clock(struct rq *rq)
update_rq_clock_task(rq, delta);
}
+static inline void
+rq_csd_init(struct rq *rq, call_single_data_t *csd, smp_call_func_t func)
+{
+ csd->flags = 0;
+ csd->func = func;
+ csd->info = rq;
+}
#ifdef CONFIG_SCHED_HRTICK
/*
@@ -314,16 +323,14 @@ void hrtick_start(struct rq *rq, u64 delay)
hrtimer_start(&rq->hrtick_timer, ns_to_ktime(delay),
HRTIMER_MODE_REL_PINNED_HARD);
}
+
#endif /* CONFIG_SMP */
static void hrtick_rq_init(struct rq *rq)
{
#ifdef CONFIG_SMP
- rq->hrtick_csd.flags = 0;
- rq->hrtick_csd.func = __hrtick_start;
- rq->hrtick_csd.info = rq;
+ rq_csd_init(rq, &rq->hrtick_csd, __hrtick_start);
#endif
-
hrtimer_init(&rq->hrtick_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL_HARD);
rq->hrtick_timer.function = hrtick;
}
@@ -632,29 +639,23 @@ void wake_up_nohz_cpu(int cpu)
wake_up_idle_cpu(cpu);
}
-static inline bool got_nohz_idle_kick(void)
+static void nohz_csd_func(void *info)
{
- int cpu = smp_processor_id();
-
- if (!(atomic_read(nohz_flags(cpu)) & NOHZ_KICK_MASK))
- return false;
-
- if (idle_cpu(cpu) && !need_resched())
- return true;
+ struct rq *rq = info;
+ int cpu = cpu_of(rq);
+ unsigned int flags;
/*
- * We can't run Idle Load Balance on this CPU for this time so we
- * cancel it and clear NOHZ_BALANCE_KICK
+ * Release the rq::nohz_csd.
*/
- atomic_andnot(NOHZ_KICK_MASK, nohz_flags(cpu));
- return false;
-}
-
-#else /* CONFIG_NO_HZ_COMMON */
+ flags = atomic_fetch_andnot(NOHZ_KICK_MASK, nohz_flags(cpu));
+ WARN_ON(!(flags & NOHZ_KICK_MASK));
-static inline bool got_nohz_idle_kick(void)
-{
- return false;
+ rq->idle_balance = idle_cpu(cpu);
+ if (rq->idle_balance && !need_resched()) {
+ rq->nohz_idle_balance = flags;
+ raise_softirq_irqoff(SCHED_SOFTIRQ);
+ }
}
#endif /* CONFIG_NO_HZ_COMMON */
@@ -1110,8 +1111,7 @@ static void uclamp_update_root_tg(void) { }
#endif
int sysctl_sched_uclamp_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
bool update_root_tg = false;
int old_min, old_max;
@@ -1232,13 +1232,8 @@ static void uclamp_fork(struct task_struct *p)
return;
for_each_clamp_id(clamp_id) {
- unsigned int clamp_value = uclamp_none(clamp_id);
-
- /* By default, RT tasks always get 100% boost */
- if (unlikely(rt_task(p) && clamp_id == UCLAMP_MIN))
- clamp_value = uclamp_none(UCLAMP_MAX);
-
- uclamp_se_set(&p->uclamp_req[clamp_id], clamp_value, false);
+ uclamp_se_set(&p->uclamp_req[clamp_id],
+ uclamp_none(clamp_id), false);
}
}
@@ -1544,7 +1539,7 @@ static int migration_cpu_stop(void *data)
* __migrate_task() such that we will not miss enforcing cpus_ptr
* during wakeups, see set_cpus_allowed_ptr()'s TASK_WAKING test.
*/
- sched_ttwu_pending();
+ flush_smp_call_function_from_idle();
raw_spin_lock(&p->pi_lock);
rq_lock(rq, &rf);
@@ -2278,16 +2273,23 @@ static int ttwu_remote(struct task_struct *p, int wake_flags)
}
#ifdef CONFIG_SMP
-void sched_ttwu_pending(void)
+void sched_ttwu_pending(void *arg)
{
+ struct llist_node *llist = arg;
struct rq *rq = this_rq();
- struct llist_node *llist = llist_del_all(&rq->wake_list);
struct task_struct *p, *t;
struct rq_flags rf;
if (!llist)
return;
+ /*
+ * rq::ttwu_pending racy indication of out-standing wakeups.
+ * Races such that false-negatives are possible, since they
+ * are shorter lived that false-positives would be.
+ */
+ WRITE_ONCE(rq->ttwu_pending, 0);
+
rq_lock_irqsave(rq, &rf);
update_rq_clock(rq);
@@ -2297,56 +2299,30 @@ void sched_ttwu_pending(void)
rq_unlock_irqrestore(rq, &rf);
}
-void scheduler_ipi(void)
+void send_call_function_single_ipi(int cpu)
{
- /*
- * Fold TIF_NEED_RESCHED into the preempt_count; anybody setting
- * TIF_NEED_RESCHED remotely (for the first time) will also send
- * this IPI.
- */
- preempt_fold_need_resched();
-
- if (llist_empty(&this_rq()->wake_list) && !got_nohz_idle_kick())
- return;
-
- /*
- * Not all reschedule IPI handlers call irq_enter/irq_exit, since
- * traditionally all their work was done from the interrupt return
- * path. Now that we actually do some work, we need to make sure
- * we do call them.
- *
- * Some archs already do call them, luckily irq_enter/exit nest
- * properly.
- *
- * Arguably we should visit all archs and update all handlers,
- * however a fair share of IPIs are still resched only so this would
- * somewhat pessimize the simple resched case.
- */
- irq_enter();
- sched_ttwu_pending();
+ struct rq *rq = cpu_rq(cpu);
- /*
- * Check if someone kicked us for doing the nohz idle load balance.
- */
- if (unlikely(got_nohz_idle_kick())) {
- this_rq()->idle_balance = 1;
- raise_softirq_irqoff(SCHED_SOFTIRQ);
- }
- irq_exit();
+ if (!set_nr_if_polling(rq->idle))
+ arch_send_call_function_single_ipi(cpu);
+ else
+ trace_sched_wake_idle_without_ipi(cpu);
}
-static void ttwu_queue_remote(struct task_struct *p, int cpu, int wake_flags)
+/*
+ * Queue a task on the target CPUs wake_list and wake the CPU via IPI if
+ * necessary. The wakee CPU on receipt of the IPI will queue the task
+ * via sched_ttwu_wakeup() for activation so the wakee incurs the cost
+ * of the wakeup instead of the waker.
+ */
+static void __ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags)
{
struct rq *rq = cpu_rq(cpu);
p->sched_remote_wakeup = !!(wake_flags & WF_MIGRATED);
- if (llist_add(&p->wake_entry, &cpu_rq(cpu)->wake_list)) {
- if (!set_nr_if_polling(rq->idle))
- smp_send_reschedule(cpu);
- else
- trace_sched_wake_idle_without_ipi(cpu);
- }
+ WRITE_ONCE(rq->ttwu_pending, 1);
+ __smp_call_single_queue(cpu, &p->wake_entry);
}
void wake_up_if_idle(int cpu)
@@ -2377,6 +2353,38 @@ bool cpus_share_cache(int this_cpu, int that_cpu)
{
return per_cpu(sd_llc_id, this_cpu) == per_cpu(sd_llc_id, that_cpu);
}
+
+static inline bool ttwu_queue_cond(int cpu, int wake_flags)
+{
+ /*
+ * If the CPU does not share cache, then queue the task on the
+ * remote rqs wakelist to avoid accessing remote data.
+ */
+ if (!cpus_share_cache(smp_processor_id(), cpu))
+ return true;
+
+ /*
+ * If the task is descheduling and the only running task on the
+ * CPU then use the wakelist to offload the task activation to
+ * the soon-to-be-idle CPU as the current CPU is likely busy.
+ * nr_running is checked to avoid unnecessary task stacking.
+ */
+ if ((wake_flags & WF_ON_RQ) && cpu_rq(cpu)->nr_running <= 1)
+ return true;
+
+ return false;
+}
+
+static bool ttwu_queue_wakelist(struct task_struct *p, int cpu, int wake_flags)
+{
+ if (sched_feat(TTWU_QUEUE) && ttwu_queue_cond(cpu, wake_flags)) {
+ sched_clock_cpu(cpu); /* Sync clocks across CPUs */
+ __ttwu_queue_wakelist(p, cpu, wake_flags);
+ return true;
+ }
+
+ return false;
+}
#endif /* CONFIG_SMP */
static void ttwu_queue(struct task_struct *p, int cpu, int wake_flags)
@@ -2385,11 +2393,8 @@ static void ttwu_queue(struct task_struct *p, int cpu, int wake_flags)
struct rq_flags rf;
#if defined(CONFIG_SMP)
- if (sched_feat(TTWU_QUEUE) && !cpus_share_cache(smp_processor_id(), cpu)) {
- sched_clock_cpu(cpu); /* Sync clocks across CPUs */
- ttwu_queue_remote(p, cpu, wake_flags);
+ if (ttwu_queue_wakelist(p, cpu, wake_flags))
return;
- }
#endif
rq_lock(rq, &rf);
@@ -2566,12 +2571,22 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
*
* Pairs with the LOCK+smp_mb__after_spinlock() on rq->lock in
* __schedule(). See the comment for smp_mb__after_spinlock().
+ *
+ * A similar smb_rmb() lives in try_invoke_on_locked_down_task().
*/
smp_rmb();
if (p->on_rq && ttwu_remote(p, wake_flags))
goto unlock;
+ if (p->in_iowait) {
+ delayacct_blkio_end(p);
+ atomic_dec(&task_rq(p)->nr_iowait);
+ }
+
#ifdef CONFIG_SMP
+ p->sched_contributes_to_load = !!task_contributes_to_load(p);
+ p->state = TASK_WAKING;
+
/*
* Ensure we load p->on_cpu _after_ p->on_rq, otherwise it would be
* possible to, falsely, observe p->on_cpu == 0.
@@ -2595,6 +2610,16 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
/*
* If the owning (remote) CPU is still in the middle of schedule() with
+ * this task as prev, considering queueing p on the remote CPUs wake_list
+ * which potentially sends an IPI instead of spinning on p->on_cpu to
+ * let the waker make forward progress. This is safe because IRQs are
+ * disabled and the IPI will deliver after on_cpu is cleared.
+ */
+ if (READ_ONCE(p->on_cpu) && ttwu_queue_wakelist(p, cpu, wake_flags | WF_ON_RQ))
+ goto unlock;
+
+ /*
+ * If the owning (remote) CPU is still in the middle of schedule() with
* this task as prev, wait until its done referencing the task.
*
* Pairs with the smp_store_release() in finish_task().
@@ -2604,28 +2629,12 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
*/
smp_cond_load_acquire(&p->on_cpu, !VAL);
- p->sched_contributes_to_load = !!task_contributes_to_load(p);
- p->state = TASK_WAKING;
-
- if (p->in_iowait) {
- delayacct_blkio_end(p);
- atomic_dec(&task_rq(p)->nr_iowait);
- }
-
cpu = select_task_rq(p, p->wake_cpu, SD_BALANCE_WAKE, wake_flags);
if (task_cpu(p) != cpu) {
wake_flags |= WF_MIGRATED;
psi_ttwu_dequeue(p);
set_task_cpu(p, cpu);
}
-
-#else /* CONFIG_SMP */
-
- if (p->in_iowait) {
- delayacct_blkio_end(p);
- atomic_dec(&task_rq(p)->nr_iowait);
- }
-
#endif /* CONFIG_SMP */
ttwu_queue(p, cpu, wake_flags);
@@ -2640,6 +2649,52 @@ out:
}
/**
+ * try_invoke_on_locked_down_task - Invoke a function on task in fixed state
+ * @p: Process for which the function is to be invoked.
+ * @func: Function to invoke.
+ * @arg: Argument to function.
+ *
+ * If the specified task can be quickly locked into a definite state
+ * (either sleeping or on a given runqueue), arrange to keep it in that
+ * state while invoking @func(@arg). This function can use ->on_rq and
+ * task_curr() to work out what the state is, if required. Given that
+ * @func can be invoked with a runqueue lock held, it had better be quite
+ * lightweight.
+ *
+ * Returns:
+ * @false if the task slipped out from under the locks.
+ * @true if the task was locked onto a runqueue or is sleeping.
+ * However, @func can override this by returning @false.
+ */
+bool try_invoke_on_locked_down_task(struct task_struct *p, bool (*func)(struct task_struct *t, void *arg), void *arg)
+{
+ bool ret = false;
+ struct rq_flags rf;
+ struct rq *rq;
+
+ lockdep_assert_irqs_enabled();
+ raw_spin_lock_irq(&p->pi_lock);
+ if (p->on_rq) {
+ rq = __task_rq_lock(p, &rf);
+ if (task_rq(p) == rq)
+ ret = func(p, arg);
+ rq_unlock(rq, &rf);
+ } else {
+ switch (p->state) {
+ case TASK_RUNNING:
+ case TASK_WAKING:
+ break;
+ default:
+ smp_rmb(); // See smp_rmb() comment in try_to_wake_up().
+ if (!p->on_rq)
+ ret = func(p, arg);
+ }
+ }
+ raw_spin_unlock_irq(&p->pi_lock);
+ return ret;
+}
+
+/**
* wake_up_process - Wake up a specific process
* @p: The process to be woken up.
*
@@ -2707,6 +2762,9 @@ static void __sched_fork(unsigned long clone_flags, struct task_struct *p)
p->capture_control = NULL;
#endif
init_numa_balancing(clone_flags, p);
+#ifdef CONFIG_SMP
+ p->wake_entry_type = CSD_TYPE_TTWU;
+#endif
}
DEFINE_STATIC_KEY_FALSE(sched_numa_balancing);
@@ -2723,7 +2781,7 @@ void set_numabalancing_state(bool enabled)
#ifdef CONFIG_PROC_SYSCTL
int sysctl_numa_balancing(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
int err;
@@ -2797,8 +2855,8 @@ static void __init init_schedstats(void)
}
#ifdef CONFIG_PROC_SYSCTL
-int sysctl_schedstats(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+int sysctl_schedstats(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
int err;
@@ -3882,6 +3940,9 @@ static inline void schedule_debug(struct task_struct *prev, bool preempt)
#ifdef CONFIG_SCHED_STACK_END_CHECK
if (task_stack_end_corrupted(prev))
panic("corrupted stack end detected inside scheduler\n");
+
+ if (task_scs_end_corrupted(prev))
+ panic("corrupted shadow stack detected inside scheduler\n");
#endif
#ifdef CONFIG_DEBUG_ATOMIC_SLEEP
@@ -3904,6 +3965,28 @@ static inline void schedule_debug(struct task_struct *prev, bool preempt)
schedstat_inc(this_rq()->sched_count);
}
+static void put_prev_task_balance(struct rq *rq, struct task_struct *prev,
+ struct rq_flags *rf)
+{
+#ifdef CONFIG_SMP
+ const struct sched_class *class;
+ /*
+ * We must do the balancing pass before put_prev_task(), such
+ * that when we release the rq->lock the task is in the same
+ * state as before we took rq->lock.
+ *
+ * We can terminate the balance pass as soon as we know there is
+ * a runnable task of @class priority or higher.
+ */
+ for_class_range(class, prev->sched_class, &idle_sched_class) {
+ if (class->balance(rq, prev, rf))
+ break;
+ }
+#endif
+
+ put_prev_task(rq, prev);
+}
+
/*
* Pick up the highest-prio task:
*/
@@ -3937,22 +4020,7 @@ pick_next_task(struct rq *rq, struct task_struct *prev, struct rq_flags *rf)
}
restart:
-#ifdef CONFIG_SMP
- /*
- * We must do the balancing pass before put_next_task(), such
- * that when we release the rq->lock the task is in the same
- * state as before we took rq->lock.
- *
- * We can terminate the balance pass as soon as we know there is
- * a runnable task of @class priority or higher.
- */
- for_class_range(class, prev->sched_class, &idle_sched_class) {
- if (class->balance(rq, prev, rf))
- break;
- }
-#endif
-
- put_prev_task(rq, prev);
+ put_prev_task_balance(rq, prev, rf);
for_each_class(class) {
p = class->pick_next_task(rq);
@@ -4642,7 +4710,7 @@ int idle_cpu(int cpu)
return 0;
#ifdef CONFIG_SMP
- if (!llist_empty(&rq->wake_list))
+ if (rq->ttwu_pending)
return 0;
#endif
@@ -6045,6 +6113,7 @@ void init_idle(struct task_struct *idle, int cpu)
idle->se.exec_start = sched_clock();
idle->flags |= PF_IDLE;
+ scs_task_reset(idle);
kasan_unpoison_task_stack(idle);
#ifdef CONFIG_SMP
@@ -6195,13 +6264,14 @@ void idle_task_exit(void)
struct mm_struct *mm = current->active_mm;
BUG_ON(cpu_online(smp_processor_id()));
+ BUG_ON(current != this_rq()->idle);
if (mm != &init_mm) {
switch_mm(mm, &init_mm, current);
- current->active_mm = &init_mm;
finish_arch_post_lock_switch();
}
- mmdrop(mm);
+
+ /* finish_cpu(), as ran on the BP, will clean up the active_mm state */
}
/*
@@ -6491,7 +6561,6 @@ int sched_cpu_dying(unsigned int cpu)
struct rq_flags rf;
/* Handle pending wakeups and then migrate everything off */
- sched_ttwu_pending();
sched_tick_stop(cpu);
rq_lock_irqsave(rq, &rf);
@@ -6594,6 +6663,8 @@ void __init sched_init(void)
root_task_group.cfs_rq = (struct cfs_rq **)ptr;
ptr += nr_cpu_ids * sizeof(void **);
+ root_task_group.shares = ROOT_TASK_GROUP_LOAD;
+ init_cfs_bandwidth(&root_task_group.cfs_bandwidth);
#endif /* CONFIG_FAIR_GROUP_SCHED */
#ifdef CONFIG_RT_GROUP_SCHED
root_task_group.rt_se = (struct sched_rt_entity **)ptr;
@@ -6646,7 +6717,6 @@ void __init sched_init(void)
init_rt_rq(&rq->rt);
init_dl_rq(&rq->dl);
#ifdef CONFIG_FAIR_GROUP_SCHED
- root_task_group.shares = ROOT_TASK_GROUP_LOAD;
INIT_LIST_HEAD(&rq->leaf_cfs_rq_list);
rq->tmp_alone_branch = &rq->leaf_cfs_rq_list;
/*
@@ -6668,7 +6738,6 @@ void __init sched_init(void)
* We achieve this by letting root_task_group's tasks sit
* directly in rq->cfs (i.e root_task_group->se[] = NULL).
*/
- init_cfs_bandwidth(&root_task_group.cfs_bandwidth);
init_tg_cfs_entry(&root_task_group, &rq->cfs, NULL, i, NULL);
#endif /* CONFIG_FAIR_GROUP_SCHED */
@@ -6696,6 +6765,8 @@ void __init sched_init(void)
#ifdef CONFIG_NO_HZ_COMMON
rq->last_blocked_load_update_tick = jiffies;
atomic_set(&rq->nohz_flags, 0);
+
+ rq_csd_init(rq, &rq->nohz_csd, nohz_csd_func);
#endif
#endif /* CONFIG_SMP */
hrtick_rq_init(rq);
@@ -7390,6 +7461,8 @@ static DEFINE_MUTEX(cfs_constraints_mutex);
const u64 max_cfs_quota_period = 1 * NSEC_PER_SEC; /* 1s */
static const u64 min_cfs_quota_period = 1 * NSEC_PER_MSEC; /* 1ms */
+/* More than 203 days if BW_SHIFT equals 20. */
+static const u64 max_cfs_runtime = MAX_BW * NSEC_PER_USEC;
static int __cfs_schedulable(struct task_group *tg, u64 period, u64 runtime);
@@ -7418,6 +7491,12 @@ static int tg_set_cfs_bandwidth(struct task_group *tg, u64 period, u64 quota)
return -EINVAL;
/*
+ * Bound quota to defend quota against overflow during bandwidth shift.
+ */
+ if (quota != RUNTIME_INF && quota > max_cfs_runtime)
+ return -EINVAL;
+
+ /*
* Prevent race between setting of cfs_rq->runtime_enabled and
* unthrottle_offline_cfs_rqs().
*/
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c
index 9fbb10383434..941c28cf9738 100644
--- a/kernel/sched/cpuacct.c
+++ b/kernel/sched/cpuacct.c
@@ -5,6 +5,7 @@
* Based on the work by Paul Menage (menage@google.com) and Balbir Singh
* (balbir@in.ibm.com).
*/
+#include <asm/irq_regs.h>
#include "sched.h"
/* Time spent by the tasks of the CPU accounting group executing in ... */
@@ -339,7 +340,7 @@ void cpuacct_charge(struct task_struct *tsk, u64 cputime)
{
struct cpuacct *ca;
int index = CPUACCT_STAT_SYSTEM;
- struct pt_regs *regs = task_pt_regs(tsk);
+ struct pt_regs *regs = get_irq_regs() ? : task_pt_regs(tsk);
if (regs && user_mode(regs))
index = CPUACCT_STAT_USER;
@@ -347,7 +348,7 @@ void cpuacct_charge(struct task_struct *tsk, u64 cputime)
rcu_read_lock();
for (ca = task_ca(tsk); ca; ca = parent_ca(ca))
- this_cpu_ptr(ca->cpuusage)->usages[index] += cputime;
+ __this_cpu_add(ca->cpuusage->usages[index], cputime);
rcu_read_unlock();
}
@@ -363,7 +364,7 @@ void cpuacct_account_field(struct task_struct *tsk, int index, u64 val)
rcu_read_lock();
for (ca = task_ca(tsk); ca != &root_cpuacct; ca = parent_ca(ca))
- this_cpu_ptr(ca->cpustat)->cpustat[index] += val;
+ __this_cpu_add(ca->cpustat->cpustat[index], val);
rcu_read_unlock();
}
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index a562df57a86e..36c54265bb2b 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -258,7 +258,7 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd)
set_table_entry(&table[2], "busy_factor", &sd->busy_factor, sizeof(int), 0644, proc_dointvec_minmax);
set_table_entry(&table[3], "imbalance_pct", &sd->imbalance_pct, sizeof(int), 0644, proc_dointvec_minmax);
set_table_entry(&table[4], "cache_nice_tries", &sd->cache_nice_tries, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax);
+ set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0444, proc_dointvec_minmax);
set_table_entry(&table[6], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax);
set_table_entry(&table[7], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring);
/* &table[8] is terminator */
@@ -437,7 +437,7 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
else
SEQ_printf(m, " %c", task_state_to_char(p));
- SEQ_printf(m, "%15s %5d %9Ld.%06ld %9Ld %5d ",
+ SEQ_printf(m, " %15s %5d %9Ld.%06ld %9Ld %5d ",
p->comm, task_pid_nr(p),
SPLIT_NS(p->se.vruntime),
(long long)(p->nvcsw + p->nivcsw),
@@ -464,10 +464,10 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
SEQ_printf(m, "\n");
SEQ_printf(m, "runnable tasks:\n");
- SEQ_printf(m, " S task PID tree-key switches prio"
+ SEQ_printf(m, " S task PID tree-key switches prio"
" wait-time sum-exec sum-sleep\n");
SEQ_printf(m, "-------------------------------------------------------"
- "----------------------------------------------------\n");
+ "------------------------------------------------------\n");
rcu_read_lock();
for_each_process_thread(g, p) {
@@ -638,7 +638,6 @@ do { \
P(nr_running);
P(nr_switches);
- P(nr_load_updates);
P(nr_uninterruptible);
PN(next_balance);
SEQ_printf(m, " .%-30s: %ld\n", "curr->pid", (long)(task_pid_nr(rq->curr)));
@@ -948,8 +947,8 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
P(se.avg.util_est.enqueued);
#endif
#ifdef CONFIG_UCLAMP_TASK
- __PS("uclamp.min", p->uclamp[UCLAMP_MIN].value);
- __PS("uclamp.max", p->uclamp[UCLAMP_MAX].value);
+ __PS("uclamp.min", p->uclamp_req[UCLAMP_MIN].value);
+ __PS("uclamp.max", p->uclamp_req[UCLAMP_MAX].value);
__PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN));
__PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX));
#endif
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 02f323b85b6d..35f4cc024dcf 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -191,7 +191,7 @@ static void update_sysctl(void)
#undef SET_SYSCTL
}
-void sched_init_granularity(void)
+void __init sched_init_granularity(void)
{
update_sysctl();
}
@@ -645,8 +645,7 @@ struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
*/
int sched_proc_update_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
unsigned int factor = get_update_sysctl_factor();
@@ -1094,7 +1093,7 @@ struct numa_group {
* more by CPU use than by memory faults.
*/
unsigned long *faults_cpu;
- unsigned long faults[0];
+ unsigned long faults[];
};
/*
@@ -2908,7 +2907,7 @@ static void task_tick_numa(struct rq *rq, struct task_struct *curr)
/*
* We don't care about NUMA placement if we don't have memory.
*/
- if (!curr->mm || (curr->flags & PF_EXITING) || work->next != work)
+ if ((curr->flags & (PF_EXITING | PF_KTHREAD)) || work->next != work)
return;
/*
@@ -3441,52 +3440,46 @@ static inline void
update_tg_cfs_util(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq)
{
long delta = gcfs_rq->avg.util_avg - se->avg.util_avg;
+ /*
+ * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
+ * See ___update_load_avg() for details.
+ */
+ u32 divider = LOAD_AVG_MAX - 1024 + cfs_rq->avg.period_contrib;
/* Nothing to update */
if (!delta)
return;
- /*
- * The relation between sum and avg is:
- *
- * LOAD_AVG_MAX - 1024 + sa->period_contrib
- *
- * however, the PELT windows are not aligned between grq and gse.
- */
-
/* Set new sched_entity's utilization */
se->avg.util_avg = gcfs_rq->avg.util_avg;
- se->avg.util_sum = se->avg.util_avg * LOAD_AVG_MAX;
+ se->avg.util_sum = se->avg.util_avg * divider;
/* Update parent cfs_rq utilization */
add_positive(&cfs_rq->avg.util_avg, delta);
- cfs_rq->avg.util_sum = cfs_rq->avg.util_avg * LOAD_AVG_MAX;
+ cfs_rq->avg.util_sum = cfs_rq->avg.util_avg * divider;
}
static inline void
update_tg_cfs_runnable(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq)
{
long delta = gcfs_rq->avg.runnable_avg - se->avg.runnable_avg;
+ /*
+ * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
+ * See ___update_load_avg() for details.
+ */
+ u32 divider = LOAD_AVG_MAX - 1024 + cfs_rq->avg.period_contrib;
/* Nothing to update */
if (!delta)
return;
- /*
- * The relation between sum and avg is:
- *
- * LOAD_AVG_MAX - 1024 + sa->period_contrib
- *
- * however, the PELT windows are not aligned between grq and gse.
- */
-
/* Set new sched_entity's runnable */
se->avg.runnable_avg = gcfs_rq->avg.runnable_avg;
- se->avg.runnable_sum = se->avg.runnable_avg * LOAD_AVG_MAX;
+ se->avg.runnable_sum = se->avg.runnable_avg * divider;
/* Update parent cfs_rq runnable */
add_positive(&cfs_rq->avg.runnable_avg, delta);
- cfs_rq->avg.runnable_sum = cfs_rq->avg.runnable_avg * LOAD_AVG_MAX;
+ cfs_rq->avg.runnable_sum = cfs_rq->avg.runnable_avg * divider;
}
static inline void
@@ -3496,19 +3489,26 @@ update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq
unsigned long load_avg;
u64 load_sum = 0;
s64 delta_sum;
+ u32 divider;
if (!runnable_sum)
return;
gcfs_rq->prop_runnable_sum = 0;
+ /*
+ * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
+ * See ___update_load_avg() for details.
+ */
+ divider = LOAD_AVG_MAX - 1024 + cfs_rq->avg.period_contrib;
+
if (runnable_sum >= 0) {
/*
* Add runnable; clip at LOAD_AVG_MAX. Reflects that until
* the CPU is saturated running == runnable.
*/
runnable_sum += se->avg.load_sum;
- runnable_sum = min(runnable_sum, (long)LOAD_AVG_MAX);
+ runnable_sum = min_t(long, runnable_sum, divider);
} else {
/*
* Estimate the new unweighted runnable_sum of the gcfs_rq by
@@ -3533,7 +3533,7 @@ update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq
runnable_sum = max(runnable_sum, running_sum);
load_sum = (s64)se_weight(se) * runnable_sum;
- load_avg = div_s64(load_sum, LOAD_AVG_MAX);
+ load_avg = div_s64(load_sum, divider);
delta_sum = load_sum - (s64)se_weight(se) * se->avg.load_sum;
delta_avg = load_avg - se->avg.load_avg;
@@ -3697,6 +3697,10 @@ update_cfs_rq_load_avg(u64 now, struct cfs_rq *cfs_rq)
*/
static void attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se)
{
+ /*
+ * cfs_rq->avg.period_contrib can be used for both cfs_rq and se.
+ * See ___update_load_avg() for details.
+ */
u32 divider = LOAD_AVG_MAX - 1024 + cfs_rq->avg.period_contrib;
/*
@@ -3873,6 +3877,8 @@ static inline unsigned long cfs_rq_load_avg(struct cfs_rq *cfs_rq)
return cfs_rq->avg.load_avg;
}
+static int newidle_balance(struct rq *this_rq, struct rq_flags *rf);
+
static inline unsigned long task_util(struct task_struct *p)
{
return READ_ONCE(p->se.avg.util_avg);
@@ -4054,7 +4060,7 @@ attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se) {}
static inline void
detach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se) {}
-static inline int idle_balance(struct rq *rq, struct rq_flags *rf)
+static inline int newidle_balance(struct rq *rq, struct rq_flags *rf)
{
return 0;
}
@@ -4588,16 +4594,16 @@ static inline struct cfs_bandwidth *tg_cfs_bandwidth(struct task_group *tg)
}
/* returns 0 on failure to allocate runtime */
-static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
+static int __assign_cfs_rq_runtime(struct cfs_bandwidth *cfs_b,
+ struct cfs_rq *cfs_rq, u64 target_runtime)
{
- struct task_group *tg = cfs_rq->tg;
- struct cfs_bandwidth *cfs_b = tg_cfs_bandwidth(tg);
- u64 amount = 0, min_amount;
+ u64 min_amount, amount = 0;
+
+ lockdep_assert_held(&cfs_b->lock);
/* note: this is a positive sum as runtime_remaining <= 0 */
- min_amount = sched_cfs_bandwidth_slice() - cfs_rq->runtime_remaining;
+ min_amount = target_runtime - cfs_rq->runtime_remaining;
- raw_spin_lock(&cfs_b->lock);
if (cfs_b->quota == RUNTIME_INF)
amount = min_amount;
else {
@@ -4609,13 +4615,25 @@ static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
cfs_b->idle = 0;
}
}
- raw_spin_unlock(&cfs_b->lock);
cfs_rq->runtime_remaining += amount;
return cfs_rq->runtime_remaining > 0;
}
+/* returns 0 on failure to allocate runtime */
+static int assign_cfs_rq_runtime(struct cfs_rq *cfs_rq)
+{
+ struct cfs_bandwidth *cfs_b = tg_cfs_bandwidth(cfs_rq->tg);
+ int ret;
+
+ raw_spin_lock(&cfs_b->lock);
+ ret = __assign_cfs_rq_runtime(cfs_b, cfs_rq, sched_cfs_bandwidth_slice());
+ raw_spin_unlock(&cfs_b->lock);
+
+ return ret;
+}
+
static void __account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec)
{
/* dock delta_exec before expiring quota (as it could span periods) */
@@ -4704,13 +4722,33 @@ static int tg_throttle_down(struct task_group *tg, void *data)
return 0;
}
-static void throttle_cfs_rq(struct cfs_rq *cfs_rq)
+static bool throttle_cfs_rq(struct cfs_rq *cfs_rq)
{
struct rq *rq = rq_of(cfs_rq);
struct cfs_bandwidth *cfs_b = tg_cfs_bandwidth(cfs_rq->tg);
struct sched_entity *se;
long task_delta, idle_task_delta, dequeue = 1;
- bool empty;
+
+ raw_spin_lock(&cfs_b->lock);
+ /* This will start the period timer if necessary */
+ if (__assign_cfs_rq_runtime(cfs_b, cfs_rq, 1)) {
+ /*
+ * We have raced with bandwidth becoming available, and if we
+ * actually throttled the timer might not unthrottle us for an
+ * entire period. We additionally needed to make sure that any
+ * subsequent check_cfs_rq_runtime calls agree not to throttle
+ * us, as we may commit to do cfs put_prev+pick_next, so we ask
+ * for 1ns of runtime rather than just check cfs_b.
+ */
+ dequeue = 0;
+ } else {
+ list_add_tail_rcu(&cfs_rq->throttled_list,
+ &cfs_b->throttled_cfs_rq);
+ }
+ raw_spin_unlock(&cfs_b->lock);
+
+ if (!dequeue)
+ return false; /* Throttle no longer required. */
se = cfs_rq->tg->se[cpu_of(rq_of(cfs_rq))];
@@ -4744,29 +4782,13 @@ static void throttle_cfs_rq(struct cfs_rq *cfs_rq)
if (!se)
sub_nr_running(rq, task_delta);
- cfs_rq->throttled = 1;
- cfs_rq->throttled_clock = rq_clock(rq);
- raw_spin_lock(&cfs_b->lock);
- empty = list_empty(&cfs_b->throttled_cfs_rq);
-
- /*
- * Add to the _head_ of the list, so that an already-started
- * distribute_cfs_runtime will not see us. If disribute_cfs_runtime is
- * not running add to the tail so that later runqueues don't get starved.
- */
- if (cfs_b->distribute_running)
- list_add_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);
- else
- list_add_tail_rcu(&cfs_rq->throttled_list, &cfs_b->throttled_cfs_rq);
-
/*
- * If we're the first throttled task, make sure the bandwidth
- * timer is running.
+ * Note: distribution will already see us throttled via the
+ * throttled-list. rq->lock protects completion.
*/
- if (empty)
- start_cfs_bandwidth(cfs_b);
-
- raw_spin_unlock(&cfs_b->lock);
+ cfs_rq->throttled = 1;
+ cfs_rq->throttled_clock = rq_clock(rq);
+ return true;
}
void unthrottle_cfs_rq(struct cfs_rq *cfs_rq)
@@ -4774,7 +4796,6 @@ void unthrottle_cfs_rq(struct cfs_rq *cfs_rq)
struct rq *rq = rq_of(cfs_rq);
struct cfs_bandwidth *cfs_b = tg_cfs_bandwidth(cfs_rq->tg);
struct sched_entity *se;
- int enqueue = 1;
long task_delta, idle_task_delta;
se = cfs_rq->tg->se[cpu_of(rq)];
@@ -4798,26 +4819,44 @@ void unthrottle_cfs_rq(struct cfs_rq *cfs_rq)
idle_task_delta = cfs_rq->idle_h_nr_running;
for_each_sched_entity(se) {
if (se->on_rq)
- enqueue = 0;
+ break;
+ cfs_rq = cfs_rq_of(se);
+ enqueue_entity(cfs_rq, se, ENQUEUE_WAKEUP);
+
+ cfs_rq->h_nr_running += task_delta;
+ cfs_rq->idle_h_nr_running += idle_task_delta;
+
+ /* end evaluation on encountering a throttled cfs_rq */
+ if (cfs_rq_throttled(cfs_rq))
+ goto unthrottle_throttle;
+ }
+ for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
- if (enqueue) {
- enqueue_entity(cfs_rq, se, ENQUEUE_WAKEUP);
- } else {
- update_load_avg(cfs_rq, se, 0);
- se_update_runnable(se);
- }
+
+ update_load_avg(cfs_rq, se, UPDATE_TG);
+ se_update_runnable(se);
cfs_rq->h_nr_running += task_delta;
cfs_rq->idle_h_nr_running += idle_task_delta;
+
+ /* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
- break;
+ goto unthrottle_throttle;
+
+ /*
+ * One parent has been throttled and cfs_rq removed from the
+ * list. Add it back to not break the leaf list.
+ */
+ if (throttled_hierarchy(cfs_rq))
+ list_add_leaf_cfs_rq(cfs_rq);
}
- if (!se)
- add_nr_running(rq, task_delta);
+ /* At this point se is NULL and we are at root level*/
+ add_nr_running(rq, task_delta);
+unthrottle_throttle:
/*
* The cfs_rq_throttled() breaks in the above iteration can result in
* incomplete leaf list maintenance, resulting in triggering the
@@ -4826,7 +4865,8 @@ void unthrottle_cfs_rq(struct cfs_rq *cfs_rq)
for_each_sched_entity(se) {
cfs_rq = cfs_rq_of(se);
- list_add_leaf_cfs_rq(cfs_rq);
+ if (list_add_leaf_cfs_rq(cfs_rq))
+ break;
}
assert_list_leaf_cfs_rq(rq);
@@ -4915,14 +4955,12 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun, u
/*
* This check is repeated as we release cfs_b->lock while we unthrottle.
*/
- while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) {
- cfs_b->distribute_running = 1;
+ while (throttled && cfs_b->runtime > 0) {
raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
/* we can't nest cfs_b->lock while distributing bandwidth */
distribute_cfs_runtime(cfs_b);
raw_spin_lock_irqsave(&cfs_b->lock, flags);
- cfs_b->distribute_running = 0;
throttled = !list_empty(&cfs_b->throttled_cfs_rq);
}
@@ -5036,10 +5074,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
/* confirm we're still not at a refresh boundary */
raw_spin_lock_irqsave(&cfs_b->lock, flags);
cfs_b->slack_started = false;
- if (cfs_b->distribute_running) {
- raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
- return;
- }
if (runtime_refresh_within(cfs_b, min_bandwidth_expiration)) {
raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
@@ -5049,9 +5083,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
if (cfs_b->quota != RUNTIME_INF && cfs_b->runtime > slice)
runtime = cfs_b->runtime;
- if (runtime)
- cfs_b->distribute_running = 1;
-
raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
if (!runtime)
@@ -5060,7 +5091,6 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
distribute_cfs_runtime(cfs_b);
raw_spin_lock_irqsave(&cfs_b->lock, flags);
- cfs_b->distribute_running = 0;
raw_spin_unlock_irqrestore(&cfs_b->lock, flags);
}
@@ -5121,8 +5151,7 @@ static bool check_cfs_rq_runtime(struct cfs_rq *cfs_rq)
if (cfs_rq_throttled(cfs_rq))
return true;
- throttle_cfs_rq(cfs_rq);
- return true;
+ return throttle_cfs_rq(cfs_rq);
}
static enum hrtimer_restart sched_cfs_slack_timer(struct hrtimer *timer)
@@ -5152,6 +5181,8 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
if (!overrun)
break;
+ idle = do_sched_cfs_period_timer(cfs_b, overrun, flags);
+
if (++count > 3) {
u64 new, old = ktime_to_ns(cfs_b->period);
@@ -5181,8 +5212,6 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
/* reset count so we don't come right back in here */
count = 0;
}
-
- idle = do_sched_cfs_period_timer(cfs_b, overrun, flags);
}
if (idle)
cfs_b->period_active = 0;
@@ -5203,7 +5232,6 @@ void init_cfs_bandwidth(struct cfs_bandwidth *cfs_b)
cfs_b->period_timer.function = sched_cfs_period_timer;
hrtimer_init(&cfs_b->slack_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
cfs_b->slack_timer.function = sched_cfs_slack_timer;
- cfs_b->distribute_running = 0;
cfs_b->slack_started = false;
}
@@ -5479,30 +5507,36 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags)
/* end evaluation on encountering a throttled cfs_rq */
if (cfs_rq_throttled(cfs_rq))
goto enqueue_throttle;
+
+ /*
+ * One parent has been throttled and cfs_rq removed from the
+ * list. Add it back to not break the leaf list.
+ */
+ if (throttled_hierarchy(cfs_rq))
+ list_add_leaf_cfs_rq(cfs_rq);
}
-enqueue_throttle:
- if (!se) {
- add_nr_running(rq, 1);
- /*
- * Since new tasks are assigned an initial util_avg equal to
- * half of the spare capacity of their CPU, tiny tasks have the
- * ability to cross the overutilized threshold, which will
- * result in the load balancer ruining all the task placement
- * done by EAS. As a way to mitigate that effect, do not account
- * for the first enqueue operation of new tasks during the
- * overutilized flag detection.
- *
- * A better way of solving this problem would be to wait for
- * the PELT signals of tasks to converge before taking them
- * into account, but that is not straightforward to implement,
- * and the following generally works well enough in practice.
- */
- if (flags & ENQUEUE_WAKEUP)
- update_overutilized_status(rq);
+ /* At this point se is NULL and we are at root level*/
+ add_nr_running(rq, 1);
- }
+ /*
+ * Since new tasks are assigned an initial util_avg equal to
+ * half of the spare capacity of their CPU, tiny tasks have the
+ * ability to cross the overutilized threshold, which will
+ * result in the load balancer ruining all the task placement
+ * done by EAS. As a way to mitigate that effect, do not account
+ * for the first enqueue operation of new tasks during the
+ * overutilized flag detection.
+ *
+ * A better way of solving this problem would be to wait for
+ * the PELT signals of tasks to converge before taking them
+ * into account, but that is not straightforward to implement,
+ * and the following generally works well enough in practice.
+ */
+ if (flags & ENQUEUE_WAKEUP)
+ update_overutilized_status(rq);
+enqueue_throttle:
if (cfs_bandwidth_used()) {
/*
* When bandwidth control is enabled; the cfs_rq_throttled()
@@ -5712,7 +5746,7 @@ static int wake_wide(struct task_struct *p)
{
unsigned int master = current->wakee_flips;
unsigned int slave = p->wakee_flips;
- int factor = this_cpu_read(sd_llc_size);
+ int factor = __this_cpu_read(sd_llc_size);
if (master < slave)
swap(master, slave);
@@ -5821,8 +5855,7 @@ static int wake_affine(struct sched_domain *sd, struct task_struct *p,
}
static struct sched_group *
-find_idlest_group(struct sched_domain *sd, struct task_struct *p,
- int this_cpu, int sd_flag);
+find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu);
/*
* find_idlest_group_cpu - find the idlest CPU among the CPUs in the group.
@@ -5905,7 +5938,7 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p
continue;
}
- group = find_idlest_group(sd, p, cpu, sd_flag);
+ group = find_idlest_group(sd, p, cpu);
if (!group) {
sd = sd->child;
continue;
@@ -6646,9 +6679,6 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f
rcu_read_lock();
for_each_domain(cpu, tmp) {
- if (!(tmp->flags & SD_LOAD_BALANCE))
- break;
-
/*
* If both 'cpu' and 'prev_cpu' are part of this domain,
* cpu is a valid SD_WAKE_AFFINE target.
@@ -8559,7 +8589,7 @@ static int idle_cpu_without(int cpu, struct task_struct *p)
*/
#ifdef CONFIG_SMP
- if (!llist_empty(&rq->wake_list))
+ if (rq->ttwu_pending)
return 0;
#endif
@@ -8677,8 +8707,7 @@ static bool update_pick_idlest(struct sched_group *idlest,
* Assumes p is allowed on at least one CPU in sd.
*/
static struct sched_group *
-find_idlest_group(struct sched_domain *sd, struct task_struct *p,
- int this_cpu, int sd_flag)
+find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu)
{
struct sched_group *idlest = NULL, *local = NULL, *group = sd->groups;
struct sg_lb_stats local_sgs, tmp_sgs;
@@ -9409,7 +9438,7 @@ static int active_load_balance_cpu_stop(void *data);
static int should_we_balance(struct lb_env *env)
{
struct sched_group *sg = env->sd->groups;
- int cpu, balance_cpu = -1;
+ int cpu;
/*
* Ensure the balancing environment is consistent; can happen
@@ -9430,18 +9459,12 @@ static int should_we_balance(struct lb_env *env)
if (!idle_cpu(cpu))
continue;
- balance_cpu = cpu;
- break;
+ /* Are we the first idle CPU? */
+ return cpu == env->dst_cpu;
}
- if (balance_cpu == -1)
- balance_cpu = group_balance_cpu(sg);
-
- /*
- * First idle CPU or the first CPU(busiest) in this sched group
- * is eligible for doing load balancing at this and above domains.
- */
- return balance_cpu == env->dst_cpu;
+ /* Are we the first CPU of this group ? */
+ return group_balance_cpu(sg) == env->dst_cpu;
}
/*
@@ -9794,9 +9817,8 @@ static int active_load_balance_cpu_stop(void *data)
/* Search for an sd spanning us and the target CPU. */
rcu_read_lock();
for_each_domain(target_cpu, sd) {
- if ((sd->flags & SD_LOAD_BALANCE) &&
- cpumask_test_cpu(busiest_cpu, sched_domain_span(sd)))
- break;
+ if (cpumask_test_cpu(busiest_cpu, sched_domain_span(sd)))
+ break;
}
if (likely(sd)) {
@@ -9885,9 +9907,6 @@ static void rebalance_domains(struct rq *rq, enum cpu_idle_type idle)
}
max_cost += sd->max_newidle_lb_cost;
- if (!(sd->flags & SD_LOAD_BALANCE))
- continue;
-
/*
* Stop the load balance at this level. There is another
* CPU in our sched group which is doing load balancing more
@@ -10004,17 +10023,20 @@ static void kick_ilb(unsigned int flags)
if (ilb_cpu >= nr_cpu_ids)
return;
+ /*
+ * Access to rq::nohz_csd is serialized by NOHZ_KICK_MASK; he who sets
+ * the first flag owns it; cleared by nohz_csd_func().
+ */
flags = atomic_fetch_or(flags, nohz_flags(ilb_cpu));
if (flags & NOHZ_KICK_MASK)
return;
/*
- * Use smp_send_reschedule() instead of resched_cpu().
- * This way we generate a sched IPI on the target CPU which
+ * This way we generate an IPI on the target CPU which
* is idle. And the softirq performing nohz idle load balance
* will be run before returning from the IPI.
*/
- smp_send_reschedule(ilb_cpu);
+ smp_call_function_single_async(ilb_cpu, &cpu_rq(ilb_cpu)->nohz_csd);
}
/*
@@ -10352,20 +10374,14 @@ abort:
*/
static bool nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle)
{
- int this_cpu = this_rq->cpu;
- unsigned int flags;
+ unsigned int flags = this_rq->nohz_idle_balance;
- if (!(atomic_read(nohz_flags(this_cpu)) & NOHZ_KICK_MASK))
+ if (!flags)
return false;
- if (idle != CPU_IDLE) {
- atomic_andnot(NOHZ_KICK_MASK, nohz_flags(this_cpu));
- return false;
- }
+ this_rq->nohz_idle_balance = 0;
- /* could be _relaxed() */
- flags = atomic_fetch_andnot(NOHZ_KICK_MASK, nohz_flags(this_cpu));
- if (!(flags & NOHZ_KICK_MASK))
+ if (idle != CPU_IDLE)
return false;
_nohz_idle_balance(this_rq, flags, idle);
@@ -10425,7 +10441,7 @@ static inline void nohz_newidle_balance(struct rq *this_rq) { }
* 0 - failed, no new tasks
* > 0 - success, new (fair) tasks present
*/
-int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
+static int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
{
unsigned long next_balance = jiffies + HZ;
int this_cpu = this_rq->cpu;
@@ -10476,9 +10492,6 @@ int newidle_balance(struct rq *this_rq, struct rq_flags *rf)
int continue_balancing = 1;
u64 t0, domain_cost;
- if (!(sd->flags & SD_LOAD_BALANCE))
- continue;
-
if (this_rq->avg_idle < curr_cost + sd->max_newidle_lb_cost) {
update_next_balance(sd, &next_balance);
break;
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index b743bf38f08f..05deb81bb3e3 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -289,7 +289,11 @@ static void do_idle(void)
*/
smp_mb__after_atomic();
- sched_ttwu_pending();
+ /*
+ * RCU relies on this call to be done outside of an RCU read-side
+ * critical section.
+ */
+ flush_smp_call_function_from_idle();
schedule_idle();
if (unlikely(klp_patch_pending(current)))
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index b647d04d9c8b..b4b1ff96642f 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -237,6 +237,30 @@ ___update_load_sum(u64 now, struct sched_avg *sa,
return 1;
}
+/*
+ * When syncing *_avg with *_sum, we must take into account the current
+ * position in the PELT segment otherwise the remaining part of the segment
+ * will be considered as idle time whereas it's not yet elapsed and this will
+ * generate unwanted oscillation in the range [1002..1024[.
+ *
+ * The max value of *_sum varies with the position in the time segment and is
+ * equals to :
+ *
+ * LOAD_AVG_MAX*y + sa->period_contrib
+ *
+ * which can be simplified into:
+ *
+ * LOAD_AVG_MAX - 1024 + sa->period_contrib
+ *
+ * because LOAD_AVG_MAX*y == LOAD_AVG_MAX-1024
+ *
+ * The same care must be taken when a sched entity is added, updated or
+ * removed from a cfs_rq and we need to update sched_avg. Scheduler entities
+ * and the cfs rq, to which they are attached, have the same position in the
+ * time segment because they use the same clock. This means that we can use
+ * the period_contrib of cfs_rq when updating the sched_avg of a sched_entity
+ * if it's more convenient.
+ */
static __always_inline void
___update_load_avg(struct sched_avg *sa, unsigned long load)
{
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index df11d88c9895..f395ddb75f38 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -9,6 +9,8 @@
int sched_rr_timeslice = RR_TIMESLICE;
int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE;
+/* More than 4 hours if BW_SHIFT equals 20. */
+static const u64 max_rt_runtime = MAX_BW;
static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun);
@@ -2585,6 +2587,12 @@ static int tg_set_rt_bandwidth(struct task_group *tg,
if (rt_period == 0)
return -EINVAL;
+ /*
+ * Bound quota to defend quota against overflow during bandwidth shift.
+ */
+ if (rt_runtime != RUNTIME_INF && rt_runtime > max_rt_runtime)
+ return -EINVAL;
+
mutex_lock(&rt_constraints_mutex);
err = __rt_schedulable(tg, rt_period, rt_runtime);
if (err)
@@ -2702,7 +2710,9 @@ static int sched_rt_global_validate(void)
return -EINVAL;
if ((sysctl_sched_rt_runtime != RUNTIME_INF) &&
- (sysctl_sched_rt_runtime > sysctl_sched_rt_period))
+ ((sysctl_sched_rt_runtime > sysctl_sched_rt_period) ||
+ ((u64)sysctl_sched_rt_runtime *
+ NSEC_PER_USEC > max_rt_runtime)))
return -EINVAL;
return 0;
@@ -2714,9 +2724,8 @@ static void sched_rt_do_global(void)
def_rt_bandwidth.rt_period = ns_to_ktime(global_rt_period());
}
-int sched_rt_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+int sched_rt_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int old_period, old_runtime;
static DEFINE_MUTEX(mutex);
@@ -2754,9 +2763,8 @@ undo:
return ret;
}
-int sched_rr_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+int sched_rr_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int ret;
static DEFINE_MUTEX(mutex);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index db3a57675ccf..1d4e94c1e5fe 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -349,7 +349,6 @@ struct cfs_bandwidth {
u8 idle;
u8 period_active;
- u8 distribute_running;
u8 slack_started;
struct hrtimer period_timer;
struct hrtimer slack_timer;
@@ -890,12 +889,15 @@ struct rq {
#ifdef CONFIG_SMP
unsigned long last_blocked_load_update_tick;
unsigned int has_blocked_load;
+ call_single_data_t nohz_csd;
#endif /* CONFIG_SMP */
unsigned int nohz_tick_stopped;
- atomic_t nohz_flags;
+ atomic_t nohz_flags;
#endif /* CONFIG_NO_HZ_COMMON */
- unsigned long nr_load_updates;
+#ifdef CONFIG_SMP
+ unsigned int ttwu_pending;
+#endif
u64 nr_switches;
#ifdef CONFIG_UCLAMP_TASK
@@ -951,6 +953,7 @@ struct rq {
struct callback_head *balance_callback;
+ unsigned char nohz_idle_balance;
unsigned char idle_balance;
unsigned long misfit_task_load;
@@ -979,7 +982,7 @@ struct rq {
/* This is used to determine avg_idle's max value */
u64 max_idle_balance_cost;
-#endif
+#endif /* CONFIG_SMP */
#ifdef CONFIG_IRQ_TIME_ACCOUNTING
u64 prev_irq_time;
@@ -1020,10 +1023,6 @@ struct rq {
unsigned int ttwu_local;
#endif
-#ifdef CONFIG_SMP
- struct llist_head wake_list;
-#endif
-
#ifdef CONFIG_CPU_IDLE
/* Must be inspected within a rcu lock section */
struct cpuidle_state *idle_state;
@@ -1367,8 +1366,6 @@ queue_balance_callback(struct rq *rq,
rq->balance_callback = head;
}
-extern void sched_ttwu_pending(void);
-
#define rcu_dereference_check_sched_domain(p) \
rcu_dereference_check((p), \
lockdep_is_held(&sched_domains_mutex))
@@ -1461,7 +1458,7 @@ struct sched_group {
* by attaching extra space to the end of the structure,
* depending on how many CPUs the kernel has booted up with)
*/
- unsigned long cpumask[0];
+ unsigned long cpumask[];
};
static inline struct cpumask *sched_group_span(struct sched_group *sg)
@@ -1504,15 +1501,11 @@ static inline void unregister_sched_domain_sysctl(void)
}
#endif
-extern int newidle_balance(struct rq *this_rq, struct rq_flags *rf);
-
-#else
-
-static inline void sched_ttwu_pending(void) { }
+extern void flush_smp_call_function_from_idle(void);
-static inline int newidle_balance(struct rq *this_rq, struct rq_flags *rf) { return 0; }
-
-#endif /* CONFIG_SMP */
+#else /* !CONFIG_SMP: */
+static inline void flush_smp_call_function_from_idle(void) { }
+#endif
#include "stats.h"
#include "autogroup.h"
@@ -1688,7 +1681,8 @@ static inline int task_on_rq_migrating(struct task_struct *p)
*/
#define WF_SYNC 0x01 /* Waker goes to sleep after wakeup */
#define WF_FORK 0x02 /* Child wakeup after fork */
-#define WF_MIGRATED 0x4 /* Internal use, task got migrated */
+#define WF_MIGRATED 0x04 /* Internal use, task got migrated */
+#define WF_ON_RQ 0x08 /* Wakee is on_rq */
/*
* To aid in avoiding the subversion of "niceness" due to uneven distribution
@@ -1918,6 +1912,8 @@ extern void init_dl_inactive_task_timer(struct sched_dl_entity *dl_se);
#define BW_SHIFT 20
#define BW_UNIT (1 << BW_SHIFT)
#define RATIO_SHIFT 8
+#define MAX_BW_BITS (64 - BW_SHIFT)
+#define MAX_BW ((1ULL << MAX_BW_BITS) - 1)
unsigned long to_ratio(u64 period, u64 runtime);
extern void init_entity_runnable_average(struct sched_entity *se);
diff --git a/kernel/sched/smp.h b/kernel/sched/smp.h
new file mode 100644
index 000000000000..9620e323162c
--- /dev/null
+++ b/kernel/sched/smp.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Scheduler internal SMP callback types and methods between the scheduler
+ * and other internal parts of the core kernel:
+ */
+
+extern void sched_ttwu_pending(void *arg);
+
+extern void send_call_function_single_ipi(int cpu);
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 8344757bba6e..ba81187bb7af 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -33,14 +33,6 @@ static int sched_domain_debug_one(struct sched_domain *sd, int cpu, int level,
cpumask_clear(groupmask);
printk(KERN_DEBUG "%*s domain-%d: ", level, "", level);
-
- if (!(sd->flags & SD_LOAD_BALANCE)) {
- printk("does not load-balance\n");
- if (sd->parent)
- printk(KERN_ERR "ERROR: !SD_LOAD_BALANCE domain has parent");
- return -1;
- }
-
printk(KERN_CONT "span=%*pbl level=%s\n",
cpumask_pr_args(sched_domain_span(sd)), sd->name);
@@ -151,8 +143,7 @@ static int sd_degenerate(struct sched_domain *sd)
return 1;
/* Following flags need at least 2 groups */
- if (sd->flags & (SD_LOAD_BALANCE |
- SD_BALANCE_NEWIDLE |
+ if (sd->flags & (SD_BALANCE_NEWIDLE |
SD_BALANCE_FORK |
SD_BALANCE_EXEC |
SD_SHARE_CPUCAPACITY |
@@ -183,15 +174,14 @@ sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
/* Flags needing groups don't count if only 1 group in parent */
if (parent->groups == parent->groups->next) {
- pflags &= ~(SD_LOAD_BALANCE |
- SD_BALANCE_NEWIDLE |
- SD_BALANCE_FORK |
- SD_BALANCE_EXEC |
- SD_ASYM_CPUCAPACITY |
- SD_SHARE_CPUCAPACITY |
- SD_SHARE_PKG_RESOURCES |
- SD_PREFER_SIBLING |
- SD_SHARE_POWERDOMAIN);
+ pflags &= ~(SD_BALANCE_NEWIDLE |
+ SD_BALANCE_FORK |
+ SD_BALANCE_EXEC |
+ SD_ASYM_CPUCAPACITY |
+ SD_SHARE_CPUCAPACITY |
+ SD_SHARE_PKG_RESOURCES |
+ SD_PREFER_SIBLING |
+ SD_SHARE_POWERDOMAIN);
if (nr_node_ids == 1)
pflags &= ~SD_SERIALIZE;
}
@@ -209,7 +199,7 @@ bool sched_energy_update;
#ifdef CONFIG_PROC_SYSCTL
int sched_energy_aware_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret, state;
@@ -1351,8 +1341,7 @@ sd_init(struct sched_domain_topology_level *tl,
.cache_nice_tries = 0,
- .flags = 1*SD_LOAD_BALANCE
- | 1*SD_BALANCE_NEWIDLE
+ .flags = 1*SD_BALANCE_NEWIDLE
| 1*SD_BALANCE_EXEC
| 1*SD_BALANCE_FORK
| 0*SD_BALANCE_WAKE
diff --git a/kernel/scs.c b/kernel/scs.c
new file mode 100644
index 000000000000..222a7a9ad543
--- /dev/null
+++ b/kernel/scs.c
@@ -0,0 +1,104 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Shadow Call Stack support.
+ *
+ * Copyright (C) 2019 Google LLC
+ */
+
+#include <linux/kasan.h>
+#include <linux/mm.h>
+#include <linux/scs.h>
+#include <linux/slab.h>
+#include <linux/vmstat.h>
+
+static struct kmem_cache *scs_cache;
+
+static void __scs_account(void *s, int account)
+{
+ struct page *scs_page = virt_to_page(s);
+
+ mod_zone_page_state(page_zone(scs_page), NR_KERNEL_SCS_KB,
+ account * (SCS_SIZE / SZ_1K));
+}
+
+static void *scs_alloc(int node)
+{
+ void *s = kmem_cache_alloc_node(scs_cache, GFP_SCS, node);
+
+ if (!s)
+ return NULL;
+
+ *__scs_magic(s) = SCS_END_MAGIC;
+
+ /*
+ * Poison the allocation to catch unintentional accesses to
+ * the shadow stack when KASAN is enabled.
+ */
+ kasan_poison_object_data(scs_cache, s);
+ __scs_account(s, 1);
+ return s;
+}
+
+static void scs_free(void *s)
+{
+ __scs_account(s, -1);
+ kasan_unpoison_object_data(scs_cache, s);
+ kmem_cache_free(scs_cache, s);
+}
+
+void __init scs_init(void)
+{
+ scs_cache = kmem_cache_create("scs_cache", SCS_SIZE, 0, 0, NULL);
+}
+
+int scs_prepare(struct task_struct *tsk, int node)
+{
+ void *s = scs_alloc(node);
+
+ if (!s)
+ return -ENOMEM;
+
+ task_scs(tsk) = task_scs_sp(tsk) = s;
+ return 0;
+}
+
+static void scs_check_usage(struct task_struct *tsk)
+{
+ static unsigned long highest;
+
+ unsigned long *p, prev, curr = highest, used = 0;
+
+ if (!IS_ENABLED(CONFIG_DEBUG_STACK_USAGE))
+ return;
+
+ for (p = task_scs(tsk); p < __scs_magic(tsk); ++p) {
+ if (!READ_ONCE_NOCHECK(*p))
+ break;
+ used++;
+ }
+
+ while (used > curr) {
+ prev = cmpxchg_relaxed(&highest, curr, used);
+
+ if (prev == curr) {
+ pr_info("%s (%d): highest shadow stack usage: %lu bytes\n",
+ tsk->comm, task_pid_nr(tsk), used);
+ break;
+ }
+
+ curr = prev;
+ }
+}
+
+void scs_release(struct task_struct *tsk)
+{
+ void *s = task_scs(tsk);
+
+ if (!s)
+ return;
+
+ WARN(task_scs_end_corrupted(tsk),
+ "corrupted shadow stack detected when freeing task\n");
+ scs_check_usage(tsk);
+ scs_free(s);
+}
diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 55a6184f5990..d653d8426de9 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -1776,7 +1776,7 @@ static void audit_actions_logged(u32 actions_logged, u32 old_actions_logged,
}
static int seccomp_actions_logged_handler(struct ctl_table *ro_table, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int ret;
diff --git a/kernel/signal.c b/kernel/signal.c
index 713104884414..5ca48cc5da76 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1989,8 +1989,12 @@ bool do_notify_parent(struct task_struct *tsk, int sig)
if (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN)
sig = 0;
}
+ /*
+ * Send with __send_signal as si_pid and si_uid are in the
+ * parent's namespaces.
+ */
if (valid_signal(sig) && sig)
- __group_send_sig_info(sig, &info, tsk->parent);
+ __send_signal(sig, &info, tsk->parent, PIDTYPE_TGID, false);
__wake_up_parent(tsk, tsk->parent);
spin_unlock_irqrestore(&psig->siglock, flags);
@@ -3231,94 +3235,94 @@ int copy_siginfo_from_user(kernel_siginfo_t *to, const siginfo_t __user *from)
}
#ifdef CONFIG_COMPAT
-int copy_siginfo_to_user32(struct compat_siginfo __user *to,
- const struct kernel_siginfo *from)
-#if defined(CONFIG_X86_X32_ABI) || defined(CONFIG_IA32_EMULATION)
-{
- return __copy_siginfo_to_user32(to, from, in_x32_syscall());
-}
-int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
- const struct kernel_siginfo *from, bool x32_ABI)
-#endif
+/**
+ * copy_siginfo_to_external32 - copy a kernel siginfo into a compat user siginfo
+ * @to: compat siginfo destination
+ * @from: kernel siginfo source
+ *
+ * Note: This function does not work properly for the SIGCHLD on x32, but
+ * fortunately it doesn't have to. The only valid callers for this function are
+ * copy_siginfo_to_user32, which is overriden for x32 and the coredump code.
+ * The latter does not care because SIGCHLD will never cause a coredump.
+ */
+void copy_siginfo_to_external32(struct compat_siginfo *to,
+ const struct kernel_siginfo *from)
{
- struct compat_siginfo new;
- memset(&new, 0, sizeof(new));
+ memset(to, 0, sizeof(*to));
- new.si_signo = from->si_signo;
- new.si_errno = from->si_errno;
- new.si_code = from->si_code;
+ to->si_signo = from->si_signo;
+ to->si_errno = from->si_errno;
+ to->si_code = from->si_code;
switch(siginfo_layout(from->si_signo, from->si_code)) {
case SIL_KILL:
- new.si_pid = from->si_pid;
- new.si_uid = from->si_uid;
+ to->si_pid = from->si_pid;
+ to->si_uid = from->si_uid;
break;
case SIL_TIMER:
- new.si_tid = from->si_tid;
- new.si_overrun = from->si_overrun;
- new.si_int = from->si_int;
+ to->si_tid = from->si_tid;
+ to->si_overrun = from->si_overrun;
+ to->si_int = from->si_int;
break;
case SIL_POLL:
- new.si_band = from->si_band;
- new.si_fd = from->si_fd;
+ to->si_band = from->si_band;
+ to->si_fd = from->si_fd;
break;
case SIL_FAULT:
- new.si_addr = ptr_to_compat(from->si_addr);
+ to->si_addr = ptr_to_compat(from->si_addr);
#ifdef __ARCH_SI_TRAPNO
- new.si_trapno = from->si_trapno;
+ to->si_trapno = from->si_trapno;
#endif
break;
case SIL_FAULT_MCEERR:
- new.si_addr = ptr_to_compat(from->si_addr);
+ to->si_addr = ptr_to_compat(from->si_addr);
#ifdef __ARCH_SI_TRAPNO
- new.si_trapno = from->si_trapno;
+ to->si_trapno = from->si_trapno;
#endif
- new.si_addr_lsb = from->si_addr_lsb;
+ to->si_addr_lsb = from->si_addr_lsb;
break;
case SIL_FAULT_BNDERR:
- new.si_addr = ptr_to_compat(from->si_addr);
+ to->si_addr = ptr_to_compat(from->si_addr);
#ifdef __ARCH_SI_TRAPNO
- new.si_trapno = from->si_trapno;
+ to->si_trapno = from->si_trapno;
#endif
- new.si_lower = ptr_to_compat(from->si_lower);
- new.si_upper = ptr_to_compat(from->si_upper);
+ to->si_lower = ptr_to_compat(from->si_lower);
+ to->si_upper = ptr_to_compat(from->si_upper);
break;
case SIL_FAULT_PKUERR:
- new.si_addr = ptr_to_compat(from->si_addr);
+ to->si_addr = ptr_to_compat(from->si_addr);
#ifdef __ARCH_SI_TRAPNO
- new.si_trapno = from->si_trapno;
+ to->si_trapno = from->si_trapno;
#endif
- new.si_pkey = from->si_pkey;
+ to->si_pkey = from->si_pkey;
break;
case SIL_CHLD:
- new.si_pid = from->si_pid;
- new.si_uid = from->si_uid;
- new.si_status = from->si_status;
-#ifdef CONFIG_X86_X32_ABI
- if (x32_ABI) {
- new._sifields._sigchld_x32._utime = from->si_utime;
- new._sifields._sigchld_x32._stime = from->si_stime;
- } else
-#endif
- {
- new.si_utime = from->si_utime;
- new.si_stime = from->si_stime;
- }
+ to->si_pid = from->si_pid;
+ to->si_uid = from->si_uid;
+ to->si_status = from->si_status;
+ to->si_utime = from->si_utime;
+ to->si_stime = from->si_stime;
break;
case SIL_RT:
- new.si_pid = from->si_pid;
- new.si_uid = from->si_uid;
- new.si_int = from->si_int;
+ to->si_pid = from->si_pid;
+ to->si_uid = from->si_uid;
+ to->si_int = from->si_int;
break;
case SIL_SYS:
- new.si_call_addr = ptr_to_compat(from->si_call_addr);
- new.si_syscall = from->si_syscall;
- new.si_arch = from->si_arch;
+ to->si_call_addr = ptr_to_compat(from->si_call_addr);
+ to->si_syscall = from->si_syscall;
+ to->si_arch = from->si_arch;
break;
}
+}
+int __copy_siginfo_to_user32(struct compat_siginfo __user *to,
+ const struct kernel_siginfo *from)
+{
+ struct compat_siginfo new;
+
+ copy_siginfo_to_external32(&new, from);
if (copy_to_user(to, &new, sizeof(struct compat_siginfo)))
return -EFAULT;
-
return 0;
}
diff --git a/kernel/smp.c b/kernel/smp.c
index 786092aabdcd..472c2b274c65 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -22,11 +22,9 @@
#include <linux/hypervisor.h>
#include "smpboot.h"
+#include "sched/smp.h"
-enum {
- CSD_FLAG_LOCK = 0x01,
- CSD_FLAG_SYNCHRONOUS = 0x02,
-};
+#define CSD_TYPE(_csd) ((_csd)->flags & CSD_FLAG_TYPE_MASK)
struct call_function_data {
call_single_data_t __percpu *csd;
@@ -84,6 +82,7 @@ int smpcfd_dying_cpu(unsigned int cpu)
* still pending.
*/
flush_smp_call_function_queue(false);
+ irq_work_run();
return 0;
}
@@ -134,15 +133,33 @@ static __always_inline void csd_unlock(call_single_data_t *csd)
static DEFINE_PER_CPU_SHARED_ALIGNED(call_single_data_t, csd_data);
+void __smp_call_single_queue(int cpu, struct llist_node *node)
+{
+ /*
+ * The list addition should be visible before sending the IPI
+ * handler locks the list to pull the entry off it because of
+ * normal cache coherency rules implied by spinlocks.
+ *
+ * If IPIs can go out of order to the cache coherency protocol
+ * in an architecture, sufficient synchronisation should be added
+ * to arch code to make it appear to obey cache coherency WRT
+ * locking and barrier primitives. Generic code isn't really
+ * equipped to do the right thing...
+ */
+ if (llist_add(node, &per_cpu(call_single_queue, cpu)))
+ send_call_function_single_ipi(cpu);
+}
+
/*
* Insert a previously allocated call_single_data_t element
* for execution on the given CPU. data must already have
* ->func, ->info, and ->flags set.
*/
-static int generic_exec_single(int cpu, call_single_data_t *csd,
- smp_call_func_t func, void *info)
+static int generic_exec_single(int cpu, call_single_data_t *csd)
{
if (cpu == smp_processor_id()) {
+ smp_call_func_t func = csd->func;
+ void *info = csd->info;
unsigned long flags;
/*
@@ -156,28 +173,12 @@ static int generic_exec_single(int cpu, call_single_data_t *csd,
return 0;
}
-
if ((unsigned)cpu >= nr_cpu_ids || !cpu_online(cpu)) {
csd_unlock(csd);
return -ENXIO;
}
- csd->func = func;
- csd->info = info;
-
- /*
- * The list addition should be visible before sending the IPI
- * handler locks the list to pull the entry off it because of
- * normal cache coherency rules implied by spinlocks.
- *
- * If IPIs can go out of order to the cache coherency protocol
- * in an architecture, sufficient synchronisation should be added
- * to arch code to make it appear to obey cache coherency WRT
- * locking and barrier primitives. Generic code isn't really
- * equipped to do the right thing...
- */
- if (llist_add(&csd->llist, &per_cpu(call_single_queue, cpu)))
- arch_send_call_function_single_ipi(cpu);
+ __smp_call_single_queue(cpu, &csd->llist);
return 0;
}
@@ -209,9 +210,9 @@ void generic_smp_call_function_single_interrupt(void)
*/
static void flush_smp_call_function_queue(bool warn_cpu_offline)
{
- struct llist_head *head;
- struct llist_node *entry;
call_single_data_t *csd, *csd_next;
+ struct llist_node *entry, *prev;
+ struct llist_head *head;
static bool warned;
lockdep_assert_irqs_disabled();
@@ -230,32 +231,99 @@ static void flush_smp_call_function_queue(bool warn_cpu_offline)
* We don't have to use the _safe() variant here
* because we are not invoking the IPI handlers yet.
*/
- llist_for_each_entry(csd, entry, llist)
- pr_warn("IPI callback %pS sent to offline CPU\n",
- csd->func);
+ llist_for_each_entry(csd, entry, llist) {
+ switch (CSD_TYPE(csd)) {
+ case CSD_TYPE_ASYNC:
+ case CSD_TYPE_SYNC:
+ case CSD_TYPE_IRQ_WORK:
+ pr_warn("IPI callback %pS sent to offline CPU\n",
+ csd->func);
+ break;
+
+ case CSD_TYPE_TTWU:
+ pr_warn("IPI task-wakeup sent to offline CPU\n");
+ break;
+
+ default:
+ pr_warn("IPI callback, unknown type %d, sent to offline CPU\n",
+ CSD_TYPE(csd));
+ break;
+ }
+ }
}
+ /*
+ * First; run all SYNC callbacks, people are waiting for us.
+ */
+ prev = NULL;
llist_for_each_entry_safe(csd, csd_next, entry, llist) {
- smp_call_func_t func = csd->func;
- void *info = csd->info;
-
/* Do we wait until *after* callback? */
- if (csd->flags & CSD_FLAG_SYNCHRONOUS) {
+ if (CSD_TYPE(csd) == CSD_TYPE_SYNC) {
+ smp_call_func_t func = csd->func;
+ void *info = csd->info;
+
+ if (prev) {
+ prev->next = &csd_next->llist;
+ } else {
+ entry = &csd_next->llist;
+ }
+
func(info);
csd_unlock(csd);
} else {
- csd_unlock(csd);
- func(info);
+ prev = &csd->llist;
}
}
+ if (!entry)
+ return;
+
/*
- * Handle irq works queued remotely by irq_work_queue_on().
- * Smp functions above are typically synchronous so they
- * better run first since some other CPUs may be busy waiting
- * for them.
+ * Second; run all !SYNC callbacks.
*/
- irq_work_run();
+ prev = NULL;
+ llist_for_each_entry_safe(csd, csd_next, entry, llist) {
+ int type = CSD_TYPE(csd);
+
+ if (type != CSD_TYPE_TTWU) {
+ if (prev) {
+ prev->next = &csd_next->llist;
+ } else {
+ entry = &csd_next->llist;
+ }
+
+ if (type == CSD_TYPE_ASYNC) {
+ smp_call_func_t func = csd->func;
+ void *info = csd->info;
+
+ csd_unlock(csd);
+ func(info);
+ } else if (type == CSD_TYPE_IRQ_WORK) {
+ irq_work_single(csd);
+ }
+
+ } else {
+ prev = &csd->llist;
+ }
+ }
+
+ /*
+ * Third; only CSD_TYPE_TTWU is left, issue those.
+ */
+ if (entry)
+ sched_ttwu_pending(entry);
+}
+
+void flush_smp_call_function_from_idle(void)
+{
+ unsigned long flags;
+
+ if (llist_empty(this_cpu_ptr(&call_single_queue)))
+ return;
+
+ local_irq_save(flags);
+ flush_smp_call_function_queue(true);
+ local_irq_restore(flags);
}
/*
@@ -271,7 +339,7 @@ int smp_call_function_single(int cpu, smp_call_func_t func, void *info,
{
call_single_data_t *csd;
call_single_data_t csd_stack = {
- .flags = CSD_FLAG_LOCK | CSD_FLAG_SYNCHRONOUS,
+ .flags = CSD_FLAG_LOCK | CSD_TYPE_SYNC,
};
int this_cpu;
int err;
@@ -305,7 +373,10 @@ int smp_call_function_single(int cpu, smp_call_func_t func, void *info,
csd_lock(csd);
}
- err = generic_exec_single(cpu, csd, func, info);
+ csd->func = func;
+ csd->info = info;
+
+ err = generic_exec_single(cpu, csd);
if (wait)
csd_lock_wait(csd);
@@ -351,7 +422,7 @@ int smp_call_function_single_async(int cpu, call_single_data_t *csd)
csd->flags = CSD_FLAG_LOCK;
smp_wmb();
- err = generic_exec_single(cpu, csd, csd->func, csd->info);
+ err = generic_exec_single(cpu, csd);
out:
preempt_enable();
@@ -466,7 +537,7 @@ static void smp_call_function_many_cond(const struct cpumask *mask,
csd_lock(csd);
if (wait)
- csd->flags |= CSD_FLAG_SYNCHRONOUS;
+ csd->flags |= CSD_TYPE_SYNC;
csd->func = func;
csd->info = info;
if (llist_add(&csd->llist, &per_cpu(call_single_queue, cpu)))
@@ -598,6 +669,24 @@ void __init smp_init(void)
{
int num_nodes, num_cpus;
+ /*
+ * Ensure struct irq_work layout matches so that
+ * flush_smp_call_function_queue() can do horrible things.
+ */
+ BUILD_BUG_ON(offsetof(struct irq_work, llnode) !=
+ offsetof(struct __call_single_data, llist));
+ BUILD_BUG_ON(offsetof(struct irq_work, func) !=
+ offsetof(struct __call_single_data, func));
+ BUILD_BUG_ON(offsetof(struct irq_work, flags) !=
+ offsetof(struct __call_single_data, flags));
+
+ /*
+ * Assert the CSD_TYPE_TTWU layout is similar enough
+ * for task_struct to be on the @call_single_queue.
+ */
+ BUILD_BUG_ON(offsetof(struct task_struct, wake_entry_type) - offsetof(struct task_struct, wake_entry) !=
+ offsetof(struct __call_single_data, flags) - offsetof(struct __call_single_data, llist));
+
idle_threads_init();
cpuhp_threads_init();
@@ -620,7 +709,7 @@ void __init smp_init(void)
* early_boot_irqs_disabled is set. Use local_irq_save/restore() instead
* of local_irq_disable/enable().
*/
-void on_each_cpu(void (*func) (void *info), void *info, int wait)
+void on_each_cpu(smp_call_func_t func, void *info, int wait)
{
unsigned long flags;
diff --git a/kernel/sys.c b/kernel/sys.c
index d325f3ab624a..891667a49bb7 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -2262,7 +2262,7 @@ int __weak arch_prctl_spec_ctrl_set(struct task_struct *t, unsigned long which,
return -EINVAL;
}
-#define PR_IO_FLUSHER (PF_MEMALLOC_NOIO | PF_LESS_THROTTLE)
+#define PR_IO_FLUSHER (PF_MEMALLOC_NOIO | PF_LOCAL_THROTTLE)
SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3,
unsigned long, arg4, unsigned long, arg5)
@@ -2634,6 +2634,7 @@ struct compat_sysinfo {
COMPAT_SYSCALL_DEFINE1(sysinfo, struct compat_sysinfo __user *, info)
{
struct sysinfo s;
+ struct compat_sysinfo s_32;
do_sysinfo(&s);
@@ -2658,23 +2659,23 @@ COMPAT_SYSCALL_DEFINE1(sysinfo, struct compat_sysinfo __user *, info)
s.freehigh >>= bitcount;
}
- if (!access_ok(info, sizeof(struct compat_sysinfo)) ||
- __put_user(s.uptime, &info->uptime) ||
- __put_user(s.loads[0], &info->loads[0]) ||
- __put_user(s.loads[1], &info->loads[1]) ||
- __put_user(s.loads[2], &info->loads[2]) ||
- __put_user(s.totalram, &info->totalram) ||
- __put_user(s.freeram, &info->freeram) ||
- __put_user(s.sharedram, &info->sharedram) ||
- __put_user(s.bufferram, &info->bufferram) ||
- __put_user(s.totalswap, &info->totalswap) ||
- __put_user(s.freeswap, &info->freeswap) ||
- __put_user(s.procs, &info->procs) ||
- __put_user(s.totalhigh, &info->totalhigh) ||
- __put_user(s.freehigh, &info->freehigh) ||
- __put_user(s.mem_unit, &info->mem_unit))
+ memset(&s_32, 0, sizeof(s_32));
+ s_32.uptime = s.uptime;
+ s_32.loads[0] = s.loads[0];
+ s_32.loads[1] = s.loads[1];
+ s_32.loads[2] = s.loads[2];
+ s_32.totalram = s.totalram;
+ s_32.freeram = s.freeram;
+ s_32.sharedram = s.sharedram;
+ s_32.bufferram = s.bufferram;
+ s_32.totalswap = s.totalswap;
+ s_32.freeswap = s.freeswap;
+ s_32.procs = s.procs;
+ s_32.totalhigh = s.totalhigh;
+ s_32.freehigh = s.freehigh;
+ s_32.mem_unit = s.mem_unit;
+ if (copy_to_user(info, &s_32, sizeof(s_32)))
return -EFAULT;
-
return 0;
}
#endif /* CONFIG_COMPAT */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 8a176d8727a3..715774d8c55f 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -68,6 +68,9 @@
#include <linux/bpf.h>
#include <linux/mount.h>
#include <linux/userfaultfd_k.h>
+#include <linux/coredump.h>
+#include <linux/latencytop.h>
+#include <linux/pid.h>
#include "../lib/kstrtox.h"
@@ -103,22 +106,6 @@
#if defined(CONFIG_SYSCTL)
-/* External variables not in a header file. */
-extern int suid_dumpable;
-#ifdef CONFIG_COREDUMP
-extern int core_uses_pid;
-extern char core_pattern[];
-extern unsigned int core_pipe_limit;
-#endif
-extern int pid_max;
-extern int pid_max_min, pid_max_max;
-extern int percpu_pagelist_fraction;
-extern int latencytop_enabled;
-extern unsigned int sysctl_nr_open_min, sysctl_nr_open_max;
-#ifndef CONFIG_MMU
-extern int sysctl_nr_trim_pages;
-#endif
-
/* Constants used for minimum and maximum */
#ifdef CONFIG_LOCKUP_DETECTOR
static int sixty = 60;
@@ -131,6 +118,7 @@ static unsigned long zero_ul;
static unsigned long one_ul = 1;
static unsigned long long_max = LONG_MAX;
static int one_hundred = 100;
+static int two_hundred = 200;
static int one_thousand = 1000;
#ifdef CONFIG_PRINTK
static int ten_thousand = 10000;
@@ -160,24 +148,6 @@ static unsigned long hung_task_timeout_max = (LONG_MAX/HZ);
#ifdef CONFIG_INOTIFY_USER
#include <linux/inotify.h>
#endif
-#ifdef CONFIG_SPARC
-#endif
-
-#ifdef CONFIG_PARISC
-extern int pwrsw_enabled;
-#endif
-
-#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_ALLOW
-extern int unaligned_enabled;
-#endif
-
-#ifdef CONFIG_IA64
-extern int unaligned_dump_stack;
-#endif
-
-#ifdef CONFIG_SYSCTL_ARCH_UNALIGN_NO_WARN
-extern int no_unaligned_warning;
-#endif
#ifdef CONFIG_PROC_SYSCTL
@@ -207,102 +177,1472 @@ enum sysctl_writes_mode {
};
static enum sysctl_writes_mode sysctl_writes_strict = SYSCTL_WRITES_STRICT;
+#endif /* CONFIG_PROC_SYSCTL */
+
+#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \
+ defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
+int sysctl_legacy_va_layout;
+#endif
+
+#ifdef CONFIG_SCHED_DEBUG
+static int min_sched_granularity_ns = 100000; /* 100 usecs */
+static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */
+static int min_wakeup_granularity_ns; /* 0 usecs */
+static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */
+#ifdef CONFIG_SMP
+static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
+static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
+#endif /* CONFIG_SMP */
+#endif /* CONFIG_SCHED_DEBUG */
-static int proc_do_cad_pid(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
-static int proc_taint(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
#ifdef CONFIG_COMPACTION
-static int proc_dointvec_minmax_warn_RT_change(struct ctl_table *table,
- int write, void __user *buffer,
- size_t *lenp, loff_t *ppos);
+static int min_extfrag_threshold;
+static int max_extfrag_threshold = 1000;
#endif
+
+#endif /* CONFIG_SYSCTL */
+
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_SYSCTL)
+static int bpf_stats_handler(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp,
+ loff_t *ppos)
+{
+ struct static_key *key = (struct static_key *)table->data;
+ static int saved_val;
+ int val, ret;
+ struct ctl_table tmp = {
+ .data = &val,
+ .maxlen = sizeof(val),
+ .mode = table->mode,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ };
+
+ if (write && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ mutex_lock(&bpf_stats_enabled_mutex);
+ val = saved_val;
+ ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
+ if (write && !ret && val != saved_val) {
+ if (val)
+ static_key_slow_inc(key);
+ else
+ static_key_slow_dec(key);
+ saved_val = val;
+ }
+ mutex_unlock(&bpf_stats_enabled_mutex);
+ return ret;
+}
#endif
+/*
+ * /proc/sys support
+ */
+
+#ifdef CONFIG_PROC_SYSCTL
+
+static int _proc_do_string(char *data, int maxlen, int write,
+ char *buffer, size_t *lenp, loff_t *ppos)
+{
+ size_t len;
+ char c, *p;
+
+ if (!data || !maxlen || !*lenp) {
+ *lenp = 0;
+ return 0;
+ }
+
+ if (write) {
+ if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) {
+ /* Only continue writes not past the end of buffer. */
+ len = strlen(data);
+ if (len > maxlen - 1)
+ len = maxlen - 1;
+
+ if (*ppos > len)
+ return 0;
+ len = *ppos;
+ } else {
+ /* Start writing from beginning of buffer. */
+ len = 0;
+ }
+
+ *ppos += *lenp;
+ p = buffer;
+ while ((p - buffer) < *lenp && len < maxlen - 1) {
+ c = *(p++);
+ if (c == 0 || c == '\n')
+ break;
+ data[len++] = c;
+ }
+ data[len] = 0;
+ } else {
+ len = strlen(data);
+ if (len > maxlen)
+ len = maxlen;
+
+ if (*ppos > len) {
+ *lenp = 0;
+ return 0;
+ }
+
+ data += *ppos;
+ len -= *ppos;
+
+ if (len > *lenp)
+ len = *lenp;
+ if (len)
+ memcpy(buffer, data, len);
+ if (len < *lenp) {
+ buffer[len] = '\n';
+ len++;
+ }
+ *lenp = len;
+ *ppos += len;
+ }
+ return 0;
+}
+
+static void warn_sysctl_write(struct ctl_table *table)
+{
+ pr_warn_once("%s wrote to %s when file position was not 0!\n"
+ "This will not be supported in the future. To silence this\n"
+ "warning, set kernel.sysctl_writes_strict = -1\n",
+ current->comm, table->procname);
+}
+
+/**
+ * proc_first_pos_non_zero_ignore - check if first position is allowed
+ * @ppos: file position
+ * @table: the sysctl table
+ *
+ * Returns true if the first position is non-zero and the sysctl_writes_strict
+ * mode indicates this is not allowed for numeric input types. String proc
+ * handlers can ignore the return value.
+ */
+static bool proc_first_pos_non_zero_ignore(loff_t *ppos,
+ struct ctl_table *table)
+{
+ if (!*ppos)
+ return false;
+
+ switch (sysctl_writes_strict) {
+ case SYSCTL_WRITES_STRICT:
+ return true;
+ case SYSCTL_WRITES_WARN:
+ warn_sysctl_write(table);
+ return false;
+ default:
+ return false;
+ }
+}
+
+/**
+ * proc_dostring - read a string sysctl
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes a string from/to the user buffer. If the kernel
+ * buffer provided is not large enough to hold the string, the
+ * string is truncated. The copied string is %NULL-terminated.
+ * If the string is being read by the user process, it is copied
+ * and a newline '\n' is added. It is truncated if the buffer is
+ * not large enough.
+ *
+ * Returns 0 on success.
+ */
+int proc_dostring(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ if (write)
+ proc_first_pos_non_zero_ignore(ppos, table);
+
+ return _proc_do_string(table->data, table->maxlen, write, buffer, lenp,
+ ppos);
+}
+
+static size_t proc_skip_spaces(char **buf)
+{
+ size_t ret;
+ char *tmp = skip_spaces(*buf);
+ ret = tmp - *buf;
+ *buf = tmp;
+ return ret;
+}
+
+static void proc_skip_char(char **buf, size_t *size, const char v)
+{
+ while (*size) {
+ if (**buf != v)
+ break;
+ (*size)--;
+ (*buf)++;
+ }
+}
+
+/**
+ * strtoul_lenient - parse an ASCII formatted integer from a buffer and only
+ * fail on overflow
+ *
+ * @cp: kernel buffer containing the string to parse
+ * @endp: pointer to store the trailing characters
+ * @base: the base to use
+ * @res: where the parsed integer will be stored
+ *
+ * In case of success 0 is returned and @res will contain the parsed integer,
+ * @endp will hold any trailing characters.
+ * This function will fail the parse on overflow. If there wasn't an overflow
+ * the function will defer the decision what characters count as invalid to the
+ * caller.
+ */
+static int strtoul_lenient(const char *cp, char **endp, unsigned int base,
+ unsigned long *res)
+{
+ unsigned long long result;
+ unsigned int rv;
+
+ cp = _parse_integer_fixup_radix(cp, &base);
+ rv = _parse_integer(cp, base, &result);
+ if ((rv & KSTRTOX_OVERFLOW) || (result != (unsigned long)result))
+ return -ERANGE;
+
+ cp += rv;
+
+ if (endp)
+ *endp = (char *)cp;
+
+ *res = (unsigned long)result;
+ return 0;
+}
+
+#define TMPBUFLEN 22
+/**
+ * proc_get_long - reads an ASCII formatted integer from a user buffer
+ *
+ * @buf: a kernel buffer
+ * @size: size of the kernel buffer
+ * @val: this is where the number will be stored
+ * @neg: set to %TRUE if number is negative
+ * @perm_tr: a vector which contains the allowed trailers
+ * @perm_tr_len: size of the perm_tr vector
+ * @tr: pointer to store the trailer character
+ *
+ * In case of success %0 is returned and @buf and @size are updated with
+ * the amount of bytes read. If @tr is non-NULL and a trailing
+ * character exists (size is non-zero after returning from this
+ * function), @tr is updated with the trailing character.
+ */
+static int proc_get_long(char **buf, size_t *size,
+ unsigned long *val, bool *neg,
+ const char *perm_tr, unsigned perm_tr_len, char *tr)
+{
+ int len;
+ char *p, tmp[TMPBUFLEN];
+
+ if (!*size)
+ return -EINVAL;
+
+ len = *size;
+ if (len > TMPBUFLEN - 1)
+ len = TMPBUFLEN - 1;
+
+ memcpy(tmp, *buf, len);
+
+ tmp[len] = 0;
+ p = tmp;
+ if (*p == '-' && *size > 1) {
+ *neg = true;
+ p++;
+ } else
+ *neg = false;
+ if (!isdigit(*p))
+ return -EINVAL;
+
+ if (strtoul_lenient(p, &p, 0, val))
+ return -EINVAL;
+
+ len = p - tmp;
+
+ /* We don't know if the next char is whitespace thus we may accept
+ * invalid integers (e.g. 1234...a) or two integers instead of one
+ * (e.g. 123...1). So lets not allow such large numbers. */
+ if (len == TMPBUFLEN - 1)
+ return -EINVAL;
+
+ if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len))
+ return -EINVAL;
+
+ if (tr && (len < *size))
+ *tr = *p;
+
+ *buf += len;
+ *size -= len;
+
+ return 0;
+}
+
+/**
+ * proc_put_long - converts an integer to a decimal ASCII formatted string
+ *
+ * @buf: the user buffer
+ * @size: the size of the user buffer
+ * @val: the integer to be converted
+ * @neg: sign of the number, %TRUE for negative
+ *
+ * In case of success @buf and @size are updated with the amount of bytes
+ * written.
+ */
+static void proc_put_long(void **buf, size_t *size, unsigned long val, bool neg)
+{
+ int len;
+ char tmp[TMPBUFLEN], *p = tmp;
+
+ sprintf(p, "%s%lu", neg ? "-" : "", val);
+ len = strlen(tmp);
+ if (len > *size)
+ len = *size;
+ memcpy(*buf, tmp, len);
+ *size -= len;
+ *buf += len;
+}
+#undef TMPBUFLEN
+
+static void proc_put_char(void **buf, size_t *size, char c)
+{
+ if (*size) {
+ char **buffer = (char **)buf;
+ **buffer = c;
+
+ (*size)--;
+ (*buffer)++;
+ *buf = *buffer;
+ }
+}
+
+static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp,
+ int *valp,
+ int write, void *data)
+{
+ if (write) {
+ if (*negp) {
+ if (*lvalp > (unsigned long) INT_MAX + 1)
+ return -EINVAL;
+ *valp = -*lvalp;
+ } else {
+ if (*lvalp > (unsigned long) INT_MAX)
+ return -EINVAL;
+ *valp = *lvalp;
+ }
+ } else {
+ int val = *valp;
+ if (val < 0) {
+ *negp = true;
+ *lvalp = -(unsigned long)val;
+ } else {
+ *negp = false;
+ *lvalp = (unsigned long)val;
+ }
+ }
+ return 0;
+}
+
+static int do_proc_douintvec_conv(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data)
+{
+ if (write) {
+ if (*lvalp > UINT_MAX)
+ return -EINVAL;
+ *valp = *lvalp;
+ } else {
+ unsigned int val = *valp;
+ *lvalp = (unsigned long)val;
+ }
+ return 0;
+}
+
+static const char proc_wspace_sep[] = { ' ', '\t', '\n' };
+
+static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
+ int write, void *buffer,
+ size_t *lenp, loff_t *ppos,
+ int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
+ int write, void *data),
+ void *data)
+{
+ int *i, vleft, first = 1, err = 0;
+ size_t left;
+ char *p;
+
+ if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
+
+ i = (int *) tbl_data;
+ vleft = table->maxlen / sizeof(*i);
+ left = *lenp;
+
+ if (!conv)
+ conv = do_proc_dointvec_conv;
+
+ if (write) {
+ if (proc_first_pos_non_zero_ignore(ppos, table))
+ goto out;
+
+ if (left > PAGE_SIZE - 1)
+ left = PAGE_SIZE - 1;
+ p = buffer;
+ }
+
+ for (; left && vleft--; i++, first=0) {
+ unsigned long lval;
+ bool neg;
+
+ if (write) {
+ left -= proc_skip_spaces(&p);
+
+ if (!left)
+ break;
+ err = proc_get_long(&p, &left, &lval, &neg,
+ proc_wspace_sep,
+ sizeof(proc_wspace_sep), NULL);
+ if (err)
+ break;
+ if (conv(&neg, &lval, i, 1, data)) {
+ err = -EINVAL;
+ break;
+ }
+ } else {
+ if (conv(&neg, &lval, i, 0, data)) {
+ err = -EINVAL;
+ break;
+ }
+ if (!first)
+ proc_put_char(&buffer, &left, '\t');
+ proc_put_long(&buffer, &left, lval, neg);
+ }
+ }
+
+ if (!write && !first && left && !err)
+ proc_put_char(&buffer, &left, '\n');
+ if (write && !err && left)
+ left -= proc_skip_spaces(&p);
+ if (write && first)
+ return err ? : -EINVAL;
+ *lenp -= left;
+out:
+ *ppos += *lenp;
+ return err;
+}
+
+static int do_proc_dointvec(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos,
+ int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
+ int write, void *data),
+ void *data)
+{
+ return __do_proc_dointvec(table->data, table, write,
+ buffer, lenp, ppos, conv, data);
+}
+
+static int do_proc_douintvec_w(unsigned int *tbl_data,
+ struct ctl_table *table,
+ void *buffer,
+ size_t *lenp, loff_t *ppos,
+ int (*conv)(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data),
+ void *data)
+{
+ unsigned long lval;
+ int err = 0;
+ size_t left;
+ bool neg;
+ char *p = buffer;
+
+ left = *lenp;
+
+ if (proc_first_pos_non_zero_ignore(ppos, table))
+ goto bail_early;
+
+ if (left > PAGE_SIZE - 1)
+ left = PAGE_SIZE - 1;
+
+ left -= proc_skip_spaces(&p);
+ if (!left) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ err = proc_get_long(&p, &left, &lval, &neg,
+ proc_wspace_sep,
+ sizeof(proc_wspace_sep), NULL);
+ if (err || neg) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ if (conv(&lval, tbl_data, 1, data)) {
+ err = -EINVAL;
+ goto out_free;
+ }
+
+ if (!err && left)
+ left -= proc_skip_spaces(&p);
+
+out_free:
+ if (err)
+ return -EINVAL;
+
+ return 0;
+
+ /* This is in keeping with old __do_proc_dointvec() */
+bail_early:
+ *ppos += *lenp;
+ return err;
+}
+
+static int do_proc_douintvec_r(unsigned int *tbl_data, void *buffer,
+ size_t *lenp, loff_t *ppos,
+ int (*conv)(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data),
+ void *data)
+{
+ unsigned long lval;
+ int err = 0;
+ size_t left;
+
+ left = *lenp;
+
+ if (conv(&lval, tbl_data, 0, data)) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ proc_put_long(&buffer, &left, lval, false);
+ if (!left)
+ goto out;
+
+ proc_put_char(&buffer, &left, '\n');
+
+out:
+ *lenp -= left;
+ *ppos += *lenp;
+
+ return err;
+}
+
+static int __do_proc_douintvec(void *tbl_data, struct ctl_table *table,
+ int write, void *buffer,
+ size_t *lenp, loff_t *ppos,
+ int (*conv)(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data),
+ void *data)
+{
+ unsigned int *i, vleft;
+
+ if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
+
+ i = (unsigned int *) tbl_data;
+ vleft = table->maxlen / sizeof(*i);
+
+ /*
+ * Arrays are not supported, keep this simple. *Do not* add
+ * support for them.
+ */
+ if (vleft != 1) {
+ *lenp = 0;
+ return -EINVAL;
+ }
+
+ if (!conv)
+ conv = do_proc_douintvec_conv;
+
+ if (write)
+ return do_proc_douintvec_w(i, table, buffer, lenp, ppos,
+ conv, data);
+ return do_proc_douintvec_r(i, buffer, lenp, ppos, conv, data);
+}
+
+static int do_proc_douintvec(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos,
+ int (*conv)(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data),
+ void *data)
+{
+ return __do_proc_douintvec(table->data, table, write,
+ buffer, lenp, ppos, conv, data);
+}
+
+/**
+ * proc_dointvec - read a vector of integers
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
+ * values from/to the user buffer, treated as an ASCII string.
+ *
+ * Returns 0 on success.
+ */
+int proc_dointvec(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL);
+}
+
+#ifdef CONFIG_COMPACTION
+static int proc_dointvec_minmax_warn_RT_change(struct ctl_table *table,
+ int write, void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int ret, old;
+
+ if (!IS_ENABLED(CONFIG_PREEMPT_RT) || !write)
+ return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+
+ old = *(int *)table->data;
+ ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ if (ret)
+ return ret;
+ if (old != *(int *)table->data)
+ pr_warn_once("sysctl attribute %s changed by %s[%d]\n",
+ table->procname, current->comm,
+ task_pid_nr(current));
+ return ret;
+}
+#endif
+
+/**
+ * proc_douintvec - read a vector of unsigned integers
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer
+ * values from/to the user buffer, treated as an ASCII string.
+ *
+ * Returns 0 on success.
+ */
+int proc_douintvec(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ return do_proc_douintvec(table, write, buffer, lenp, ppos,
+ do_proc_douintvec_conv, NULL);
+}
+
+/*
+ * Taint values can only be increased
+ * This means we can safely use a temporary.
+ */
+static int proc_taint(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct ctl_table t;
+ unsigned long tmptaint = get_taint();
+ int err;
+
+ if (write && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ t = *table;
+ t.data = &tmptaint;
+ err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos);
+ if (err < 0)
+ return err;
+
+ if (write) {
+ /*
+ * Poor man's atomic or. Not worth adding a primitive
+ * to everyone's atomic.h for this
+ */
+ int i;
+ for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) {
+ if ((tmptaint >> i) & 1)
+ add_taint(i, LOCKDEP_STILL_OK);
+ }
+ }
+
+ return err;
+}
+
#ifdef CONFIG_PRINTK
static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ if (write && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+}
#endif
+/**
+ * struct do_proc_dointvec_minmax_conv_param - proc_dointvec_minmax() range checking structure
+ * @min: pointer to minimum allowable value
+ * @max: pointer to maximum allowable value
+ *
+ * The do_proc_dointvec_minmax_conv_param structure provides the
+ * minimum and maximum values for doing range checking for those sysctl
+ * parameters that use the proc_dointvec_minmax() handler.
+ */
+struct do_proc_dointvec_minmax_conv_param {
+ int *min;
+ int *max;
+};
+
+static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp,
+ int *valp,
+ int write, void *data)
+{
+ int tmp, ret;
+ struct do_proc_dointvec_minmax_conv_param *param = data;
+ /*
+ * If writing, first do so via a temporary local int so we can
+ * bounds-check it before touching *valp.
+ */
+ int *ip = write ? &tmp : valp;
+
+ ret = do_proc_dointvec_conv(negp, lvalp, ip, write, data);
+ if (ret)
+ return ret;
+
+ if (write) {
+ if ((param->min && *param->min > tmp) ||
+ (param->max && *param->max < tmp))
+ return -EINVAL;
+ *valp = tmp;
+ }
+
+ return 0;
+}
+
+/**
+ * proc_dointvec_minmax - read a vector of integers with min/max values
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
+ * values from/to the user buffer, treated as an ASCII string.
+ *
+ * This routine will ensure the values are within the range specified by
+ * table->extra1 (min) and table->extra2 (max).
+ *
+ * Returns 0 on success or -EINVAL on write when the range check fails.
+ */
+int proc_dointvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct do_proc_dointvec_minmax_conv_param param = {
+ .min = (int *) table->extra1,
+ .max = (int *) table->extra2,
+ };
+ return do_proc_dointvec(table, write, buffer, lenp, ppos,
+ do_proc_dointvec_minmax_conv, &param);
+}
+
+/**
+ * struct do_proc_douintvec_minmax_conv_param - proc_douintvec_minmax() range checking structure
+ * @min: pointer to minimum allowable value
+ * @max: pointer to maximum allowable value
+ *
+ * The do_proc_douintvec_minmax_conv_param structure provides the
+ * minimum and maximum values for doing range checking for those sysctl
+ * parameters that use the proc_douintvec_minmax() handler.
+ */
+struct do_proc_douintvec_minmax_conv_param {
+ unsigned int *min;
+ unsigned int *max;
+};
+
+static int do_proc_douintvec_minmax_conv(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data)
+{
+ int ret;
+ unsigned int tmp;
+ struct do_proc_douintvec_minmax_conv_param *param = data;
+ /* write via temporary local uint for bounds-checking */
+ unsigned int *up = write ? &tmp : valp;
+
+ ret = do_proc_douintvec_conv(lvalp, up, write, data);
+ if (ret)
+ return ret;
+
+ if (write) {
+ if ((param->min && *param->min > tmp) ||
+ (param->max && *param->max < tmp))
+ return -ERANGE;
+
+ *valp = tmp;
+ }
+
+ return 0;
+}
+
+/**
+ * proc_douintvec_minmax - read a vector of unsigned ints with min/max values
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer
+ * values from/to the user buffer, treated as an ASCII string. Negative
+ * strings are not allowed.
+ *
+ * This routine will ensure the values are within the range specified by
+ * table->extra1 (min) and table->extra2 (max). There is a final sanity
+ * check for UINT_MAX to avoid having to support wrap around uses from
+ * userspace.
+ *
+ * Returns 0 on success or -ERANGE on write when the range check fails.
+ */
+int proc_douintvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct do_proc_douintvec_minmax_conv_param param = {
+ .min = (unsigned int *) table->extra1,
+ .max = (unsigned int *) table->extra2,
+ };
+ return do_proc_douintvec(table, write, buffer, lenp, ppos,
+ do_proc_douintvec_minmax_conv, &param);
+}
+
+static int do_proc_dopipe_max_size_conv(unsigned long *lvalp,
+ unsigned int *valp,
+ int write, void *data)
+{
+ if (write) {
+ unsigned int val;
+
+ val = round_pipe_size(*lvalp);
+ if (val == 0)
+ return -EINVAL;
+
+ *valp = val;
+ } else {
+ unsigned int val = *valp;
+ *lvalp = (unsigned long) val;
+ }
+
+ return 0;
+}
+
+static int proc_dopipe_max_size(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return do_proc_douintvec(table, write, buffer, lenp, ppos,
+ do_proc_dopipe_max_size_conv, NULL);
+}
+
+static void validate_coredump_safety(void)
+{
+#ifdef CONFIG_COREDUMP
+ if (suid_dumpable == SUID_DUMP_ROOT &&
+ core_pattern[0] != '/' && core_pattern[0] != '|') {
+ printk(KERN_WARNING
+"Unsafe core_pattern used with fs.suid_dumpable=2.\n"
+"Pipe handler or fully qualified core dump path required.\n"
+"Set kernel.core_pattern before fs.suid_dumpable.\n"
+ );
+ }
+#endif
+}
+
static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
+ if (!error)
+ validate_coredump_safety();
+ return error;
+}
+
#ifdef CONFIG_COREDUMP
static int proc_dostring_coredump(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int error = proc_dostring(table, write, buffer, lenp, ppos);
+ if (!error)
+ validate_coredump_safety();
+ return error;
+}
#endif
-static int proc_dopipe_max_size(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
#ifdef CONFIG_MAGIC_SYSRQ
static int sysrq_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos);
-#endif
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int tmp, ret;
-static struct ctl_table kern_table[];
-static struct ctl_table vm_table[];
-static struct ctl_table fs_table[];
-static struct ctl_table debug_table[];
-static struct ctl_table dev_table[];
-extern struct ctl_table random_table[];
-#ifdef CONFIG_EPOLL
-extern struct ctl_table epoll_table[];
-#endif
+ tmp = sysrq_mask();
-#ifdef CONFIG_FW_LOADER_USER_HELPER
-extern struct ctl_table firmware_config_table[];
-#endif
+ ret = __do_proc_dointvec(&tmp, table, write, buffer,
+ lenp, ppos, NULL, NULL);
+ if (ret || !write)
+ return ret;
-#if defined(HAVE_ARCH_PICK_MMAP_LAYOUT) || \
- defined(CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT)
-int sysctl_legacy_va_layout;
+ if (write)
+ sysrq_toggle_support(tmp);
+
+ return 0;
+}
#endif
-/* The default sysctl tables: */
+static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table,
+ int write, void *buffer, size_t *lenp, loff_t *ppos,
+ unsigned long convmul, unsigned long convdiv)
+{
+ unsigned long *i, *min, *max;
+ int vleft, first = 1, err = 0;
+ size_t left;
+ char *p;
-static struct ctl_table sysctl_base_table[] = {
- {
- .procname = "kernel",
- .mode = 0555,
- .child = kern_table,
- },
- {
- .procname = "vm",
- .mode = 0555,
- .child = vm_table,
- },
- {
- .procname = "fs",
- .mode = 0555,
- .child = fs_table,
- },
- {
- .procname = "debug",
- .mode = 0555,
- .child = debug_table,
- },
- {
- .procname = "dev",
- .mode = 0555,
- .child = dev_table,
- },
- { }
-};
+ if (!data || !table->maxlen || !*lenp || (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
-#ifdef CONFIG_SCHED_DEBUG
-static int min_sched_granularity_ns = 100000; /* 100 usecs */
-static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */
-static int min_wakeup_granularity_ns; /* 0 usecs */
-static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */
-#ifdef CONFIG_SMP
-static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
-static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
-#endif /* CONFIG_SMP */
-#endif /* CONFIG_SCHED_DEBUG */
+ i = (unsigned long *) data;
+ min = (unsigned long *) table->extra1;
+ max = (unsigned long *) table->extra2;
+ vleft = table->maxlen / sizeof(unsigned long);
+ left = *lenp;
-#ifdef CONFIG_COMPACTION
-static int min_extfrag_threshold;
-static int max_extfrag_threshold = 1000;
-#endif
+ if (write) {
+ if (proc_first_pos_non_zero_ignore(ppos, table))
+ goto out;
+
+ if (left > PAGE_SIZE - 1)
+ left = PAGE_SIZE - 1;
+ p = buffer;
+ }
+
+ for (; left && vleft--; i++, first = 0) {
+ unsigned long val;
+
+ if (write) {
+ bool neg;
+
+ left -= proc_skip_spaces(&p);
+ if (!left)
+ break;
+
+ err = proc_get_long(&p, &left, &val, &neg,
+ proc_wspace_sep,
+ sizeof(proc_wspace_sep), NULL);
+ if (err)
+ break;
+ if (neg)
+ continue;
+ val = convmul * val / convdiv;
+ if ((min && val < *min) || (max && val > *max)) {
+ err = -EINVAL;
+ break;
+ }
+ *i = val;
+ } else {
+ val = convdiv * (*i) / convmul;
+ if (!first)
+ proc_put_char(&buffer, &left, '\t');
+ proc_put_long(&buffer, &left, val, false);
+ }
+ }
+
+ if (!write && !first && left && !err)
+ proc_put_char(&buffer, &left, '\n');
+ if (write && !err)
+ left -= proc_skip_spaces(&p);
+ if (write && first)
+ return err ? : -EINVAL;
+ *lenp -= left;
+out:
+ *ppos += *lenp;
+ return err;
+}
+
+static int do_proc_doulongvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos, unsigned long convmul,
+ unsigned long convdiv)
+{
+ return __do_proc_doulongvec_minmax(table->data, table, write,
+ buffer, lenp, ppos, convmul, convdiv);
+}
+
+/**
+ * proc_doulongvec_minmax - read a vector of long integers with min/max values
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long
+ * values from/to the user buffer, treated as an ASCII string.
+ *
+ * This routine will ensure the values are within the range specified by
+ * table->extra1 (min) and table->extra2 (max).
+ *
+ * Returns 0 on success.
+ */
+int proc_doulongvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l);
+}
+
+/**
+ * proc_doulongvec_ms_jiffies_minmax - read a vector of millisecond values with min/max values
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long
+ * values from/to the user buffer, treated as an ASCII string. The values
+ * are treated as milliseconds, and converted to jiffies when they are stored.
+ *
+ * This routine will ensure the values are within the range specified by
+ * table->extra1 (min) and table->extra2 (max).
+ *
+ * Returns 0 on success.
+ */
+int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return do_proc_doulongvec_minmax(table, write, buffer,
+ lenp, ppos, HZ, 1000l);
+}
+
+
+static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp,
+ int *valp,
+ int write, void *data)
+{
+ if (write) {
+ if (*lvalp > INT_MAX / HZ)
+ return 1;
+ *valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
+ } else {
+ int val = *valp;
+ unsigned long lval;
+ if (val < 0) {
+ *negp = true;
+ lval = -(unsigned long)val;
+ } else {
+ *negp = false;
+ lval = (unsigned long)val;
+ }
+ *lvalp = lval / HZ;
+ }
+ return 0;
+}
+
+static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp,
+ int *valp,
+ int write, void *data)
+{
+ if (write) {
+ if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ)
+ return 1;
+ *valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp);
+ } else {
+ int val = *valp;
+ unsigned long lval;
+ if (val < 0) {
+ *negp = true;
+ lval = -(unsigned long)val;
+ } else {
+ *negp = false;
+ lval = (unsigned long)val;
+ }
+ *lvalp = jiffies_to_clock_t(lval);
+ }
+ return 0;
+}
+
+static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp,
+ int *valp,
+ int write, void *data)
+{
+ if (write) {
+ unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp);
+
+ if (jif > INT_MAX)
+ return 1;
+ *valp = (int)jif;
+ } else {
+ int val = *valp;
+ unsigned long lval;
+ if (val < 0) {
+ *negp = true;
+ lval = -(unsigned long)val;
+ } else {
+ *negp = false;
+ lval = (unsigned long)val;
+ }
+ *lvalp = jiffies_to_msecs(lval);
+ }
+ return 0;
+}
+
+/**
+ * proc_dointvec_jiffies - read a vector of integers as seconds
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
+ * values from/to the user buffer, treated as an ASCII string.
+ * The values read are assumed to be in seconds, and are converted into
+ * jiffies.
+ *
+ * Returns 0 on success.
+ */
+int proc_dointvec_jiffies(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return do_proc_dointvec(table,write,buffer,lenp,ppos,
+ do_proc_dointvec_jiffies_conv,NULL);
+}
+
+/**
+ * proc_dointvec_userhz_jiffies - read a vector of integers as 1/USER_HZ seconds
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: pointer to the file position
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
+ * values from/to the user buffer, treated as an ASCII string.
+ * The values read are assumed to be in 1/USER_HZ seconds, and
+ * are converted into jiffies.
+ *
+ * Returns 0 on success.
+ */
+int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return do_proc_dointvec(table,write,buffer,lenp,ppos,
+ do_proc_dointvec_userhz_jiffies_conv,NULL);
+}
+
+/**
+ * proc_dointvec_ms_jiffies - read a vector of integers as 1 milliseconds
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ * @ppos: the current position in the file
+ *
+ * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
+ * values from/to the user buffer, treated as an ASCII string.
+ * The values read are assumed to be in 1/1000 seconds, and
+ * are converted into jiffies.
+ *
+ * Returns 0 on success.
+ */
+int proc_dointvec_ms_jiffies(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ return do_proc_dointvec(table, write, buffer, lenp, ppos,
+ do_proc_dointvec_ms_jiffies_conv, NULL);
+}
+
+static int proc_do_cad_pid(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
+{
+ struct pid *new_pid;
+ pid_t tmp;
+ int r;
+
+ tmp = pid_vnr(cad_pid);
+
+ r = __do_proc_dointvec(&tmp, table, write, buffer,
+ lenp, ppos, NULL, NULL);
+ if (r || !write)
+ return r;
+
+ new_pid = find_get_pid(tmp);
+ if (!new_pid)
+ return -ESRCH;
+
+ put_pid(xchg(&cad_pid, new_pid));
+ return 0;
+}
+
+/**
+ * proc_do_large_bitmap - read/write from/to a large bitmap
+ * @table: the sysctl table
+ * @write: %TRUE if this is a write to the sysctl file
+ * @buffer: the user buffer
+ * @lenp: the size of the user buffer
+ * @ppos: file position
+ *
+ * The bitmap is stored at table->data and the bitmap length (in bits)
+ * in table->maxlen.
+ *
+ * We use a range comma separated format (e.g. 1,3-4,10-10) so that
+ * large bitmaps may be represented in a compact manner. Writing into
+ * the file will clear the bitmap then update it with the given input.
+ *
+ * Returns 0 on success.
+ */
+int proc_do_large_bitmap(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int err = 0;
+ bool first = 1;
+ size_t left = *lenp;
+ unsigned long bitmap_len = table->maxlen;
+ unsigned long *bitmap = *(unsigned long **) table->data;
+ unsigned long *tmp_bitmap = NULL;
+ char tr_a[] = { '-', ',', '\n' }, tr_b[] = { ',', '\n', 0 }, c;
+
+ if (!bitmap || !bitmap_len || !left || (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
+
+ if (write) {
+ char *p = buffer;
+ size_t skipped = 0;
+
+ if (left > PAGE_SIZE - 1) {
+ left = PAGE_SIZE - 1;
+ /* How much of the buffer we'll skip this pass */
+ skipped = *lenp - left;
+ }
+
+ tmp_bitmap = bitmap_zalloc(bitmap_len, GFP_KERNEL);
+ if (!tmp_bitmap)
+ return -ENOMEM;
+ proc_skip_char(&p, &left, '\n');
+ while (!err && left) {
+ unsigned long val_a, val_b;
+ bool neg;
+ size_t saved_left;
+
+ /* In case we stop parsing mid-number, we can reset */
+ saved_left = left;
+ err = proc_get_long(&p, &left, &val_a, &neg, tr_a,
+ sizeof(tr_a), &c);
+ /*
+ * If we consumed the entirety of a truncated buffer or
+ * only one char is left (may be a "-"), then stop here,
+ * reset, & come back for more.
+ */
+ if ((left <= 1) && skipped) {
+ left = saved_left;
+ break;
+ }
+
+ if (err)
+ break;
+ if (val_a >= bitmap_len || neg) {
+ err = -EINVAL;
+ break;
+ }
+
+ val_b = val_a;
+ if (left) {
+ p++;
+ left--;
+ }
+
+ if (c == '-') {
+ err = proc_get_long(&p, &left, &val_b,
+ &neg, tr_b, sizeof(tr_b),
+ &c);
+ /*
+ * If we consumed all of a truncated buffer or
+ * then stop here, reset, & come back for more.
+ */
+ if (!left && skipped) {
+ left = saved_left;
+ break;
+ }
+
+ if (err)
+ break;
+ if (val_b >= bitmap_len || neg ||
+ val_a > val_b) {
+ err = -EINVAL;
+ break;
+ }
+ if (left) {
+ p++;
+ left--;
+ }
+ }
+
+ bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1);
+ first = 0;
+ proc_skip_char(&p, &left, '\n');
+ }
+ left += skipped;
+ } else {
+ unsigned long bit_a, bit_b = 0;
+
+ while (left) {
+ bit_a = find_next_bit(bitmap, bitmap_len, bit_b);
+ if (bit_a >= bitmap_len)
+ break;
+ bit_b = find_next_zero_bit(bitmap, bitmap_len,
+ bit_a + 1) - 1;
+
+ if (!first)
+ proc_put_char(&buffer, &left, ',');
+ proc_put_long(&buffer, &left, bit_a, false);
+ if (bit_a != bit_b) {
+ proc_put_char(&buffer, &left, '-');
+ proc_put_long(&buffer, &left, bit_b, false);
+ }
+
+ first = 0; bit_b++;
+ }
+ proc_put_char(&buffer, &left, '\n');
+ }
+
+ if (!err) {
+ if (write) {
+ if (*ppos)
+ bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len);
+ else
+ bitmap_copy(bitmap, tmp_bitmap, bitmap_len);
+ }
+ *lenp -= left;
+ *ppos += *lenp;
+ }
+
+ bitmap_free(tmp_bitmap);
+ return err;
+}
+
+#else /* CONFIG_PROC_SYSCTL */
+
+int proc_dostring(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_dointvec(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_douintvec(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_dointvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_douintvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_dointvec_jiffies(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_dointvec_ms_jiffies(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_doulongvec_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+int proc_do_large_bitmap(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ return -ENOSYS;
+}
+
+#endif /* CONFIG_PROC_SYSCTL */
+
+#if defined(CONFIG_SYSCTL)
+int proc_do_static_key(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct static_key *key = (struct static_key *)table->data;
+ static DEFINE_MUTEX(static_key_mutex);
+ int val, ret;
+ struct ctl_table tmp = {
+ .data = &val,
+ .maxlen = sizeof(val),
+ .mode = table->mode,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ };
+
+ if (write && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ mutex_lock(&static_key_mutex);
+ val = static_key_enabled(key);
+ ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
+ if (write && !ret) {
+ if (val)
+ static_key_enable(key);
+ else
+ static_key_disable(key);
+ }
+ mutex_unlock(&static_key_mutex);
+ return ret;
+}
static struct ctl_table kern_table[] = {
{
@@ -613,7 +1953,7 @@ static struct ctl_table kern_table[] = {
.procname = "soft-power",
.data = &pwrsw_enabled,
.maxlen = sizeof (int),
- .mode = 0644,
+ .mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
@@ -994,30 +2334,32 @@ static struct ctl_table kern_table[] = {
.proc_handler = proc_dointvec,
},
#endif
-#if defined(CONFIG_X86)
+
+#if (defined(CONFIG_X86_32) || defined(CONFIG_PARISC)) && \
+ defined(CONFIG_DEBUG_STACKOVERFLOW)
{
- .procname = "panic_on_unrecovered_nmi",
- .data = &panic_on_unrecovered_nmi,
+ .procname = "panic_on_stackoverflow",
+ .data = &sysctl_panic_on_stackoverflow,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
+#endif
+#if defined(CONFIG_X86)
{
- .procname = "panic_on_io_nmi",
- .data = &panic_on_io_nmi,
+ .procname = "panic_on_unrecovered_nmi",
+ .data = &panic_on_unrecovered_nmi,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
{
- .procname = "panic_on_stackoverflow",
- .data = &sysctl_panic_on_stackoverflow,
+ .procname = "panic_on_io_nmi",
+ .data = &panic_on_io_nmi,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = proc_dointvec,
},
-#endif
{
.procname = "bootloader_type",
.data = &bootloader_type,
@@ -1072,7 +2414,7 @@ static struct ctl_table kern_table[] = {
.procname = "ignore-unaligned-usertrap",
.data = &no_unaligned_warning,
.maxlen = sizeof (int),
- .mode = 0644,
+ .mode = 0644,
.proc_handler = proc_dointvec,
},
#endif
@@ -1244,7 +2586,7 @@ static struct ctl_table kern_table[] = {
.data = &bpf_stats_enabled_key.key,
.maxlen = sizeof(bpf_stats_enabled_key),
.mode = 0644,
- .proc_handler = proc_do_static_key,
+ .proc_handler = bpf_stats_handler,
},
#endif
#if defined(CONFIG_TREE_RCU)
@@ -1320,7 +2662,7 @@ static struct ctl_table vm_table[] = {
.proc_handler = overcommit_kbytes_handler,
},
{
- .procname = "page-cluster",
+ .procname = "page-cluster",
.data = &page_cluster,
.maxlen = sizeof(int),
.mode = 0644,
@@ -1391,7 +2733,7 @@ static struct ctl_table vm_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &one_hundred,
+ .extra2 = &two_hundred,
},
#ifdef CONFIG_HUGETLB_PAGE
{
@@ -1491,7 +2833,7 @@ static struct ctl_table vm_table[] = {
.data = &watermark_boost_factor,
.maxlen = sizeof(watermark_boost_factor),
.mode = 0644,
- .proc_handler = watermark_boost_factor_sysctl_handler,
+ .proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
},
{
@@ -1959,6 +3301,35 @@ static struct ctl_table dev_table[] = {
{ }
};
+static struct ctl_table sysctl_base_table[] = {
+ {
+ .procname = "kernel",
+ .mode = 0555,
+ .child = kern_table,
+ },
+ {
+ .procname = "vm",
+ .mode = 0555,
+ .child = vm_table,
+ },
+ {
+ .procname = "fs",
+ .mode = 0555,
+ .child = fs_table,
+ },
+ {
+ .procname = "debug",
+ .mode = 0555,
+ .child = debug_table,
+ },
+ {
+ .procname = "dev",
+ .mode = 0555,
+ .child = dev_table,
+ },
+ { }
+};
+
int __init sysctl_init(void)
{
struct ctl_table_header *hdr;
@@ -1967,1474 +3338,7 @@ int __init sysctl_init(void)
kmemleak_not_leak(hdr);
return 0;
}
-
#endif /* CONFIG_SYSCTL */
-
-/*
- * /proc/sys support
- */
-
-#ifdef CONFIG_PROC_SYSCTL
-
-static int _proc_do_string(char *data, int maxlen, int write,
- char __user *buffer,
- size_t *lenp, loff_t *ppos)
-{
- size_t len;
- char __user *p;
- char c;
-
- if (!data || !maxlen || !*lenp) {
- *lenp = 0;
- return 0;
- }
-
- if (write) {
- if (sysctl_writes_strict == SYSCTL_WRITES_STRICT) {
- /* Only continue writes not past the end of buffer. */
- len = strlen(data);
- if (len > maxlen - 1)
- len = maxlen - 1;
-
- if (*ppos > len)
- return 0;
- len = *ppos;
- } else {
- /* Start writing from beginning of buffer. */
- len = 0;
- }
-
- *ppos += *lenp;
- p = buffer;
- while ((p - buffer) < *lenp && len < maxlen - 1) {
- if (get_user(c, p++))
- return -EFAULT;
- if (c == 0 || c == '\n')
- break;
- data[len++] = c;
- }
- data[len] = 0;
- } else {
- len = strlen(data);
- if (len > maxlen)
- len = maxlen;
-
- if (*ppos > len) {
- *lenp = 0;
- return 0;
- }
-
- data += *ppos;
- len -= *ppos;
-
- if (len > *lenp)
- len = *lenp;
- if (len)
- if (copy_to_user(buffer, data, len))
- return -EFAULT;
- if (len < *lenp) {
- if (put_user('\n', buffer + len))
- return -EFAULT;
- len++;
- }
- *lenp = len;
- *ppos += len;
- }
- return 0;
-}
-
-static void warn_sysctl_write(struct ctl_table *table)
-{
- pr_warn_once("%s wrote to %s when file position was not 0!\n"
- "This will not be supported in the future. To silence this\n"
- "warning, set kernel.sysctl_writes_strict = -1\n",
- current->comm, table->procname);
-}
-
-/**
- * proc_first_pos_non_zero_ignore - check if first position is allowed
- * @ppos: file position
- * @table: the sysctl table
- *
- * Returns true if the first position is non-zero and the sysctl_writes_strict
- * mode indicates this is not allowed for numeric input types. String proc
- * handlers can ignore the return value.
- */
-static bool proc_first_pos_non_zero_ignore(loff_t *ppos,
- struct ctl_table *table)
-{
- if (!*ppos)
- return false;
-
- switch (sysctl_writes_strict) {
- case SYSCTL_WRITES_STRICT:
- return true;
- case SYSCTL_WRITES_WARN:
- warn_sysctl_write(table);
- return false;
- default:
- return false;
- }
-}
-
-/**
- * proc_dostring - read a string sysctl
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes a string from/to the user buffer. If the kernel
- * buffer provided is not large enough to hold the string, the
- * string is truncated. The copied string is %NULL-terminated.
- * If the string is being read by the user process, it is copied
- * and a newline '\n' is added. It is truncated if the buffer is
- * not large enough.
- *
- * Returns 0 on success.
- */
-int proc_dostring(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- if (write)
- proc_first_pos_non_zero_ignore(ppos, table);
-
- return _proc_do_string((char *)(table->data), table->maxlen, write,
- (char __user *)buffer, lenp, ppos);
-}
-
-static size_t proc_skip_spaces(char **buf)
-{
- size_t ret;
- char *tmp = skip_spaces(*buf);
- ret = tmp - *buf;
- *buf = tmp;
- return ret;
-}
-
-static void proc_skip_char(char **buf, size_t *size, const char v)
-{
- while (*size) {
- if (**buf != v)
- break;
- (*size)--;
- (*buf)++;
- }
-}
-
-/**
- * strtoul_lenient - parse an ASCII formatted integer from a buffer and only
- * fail on overflow
- *
- * @cp: kernel buffer containing the string to parse
- * @endp: pointer to store the trailing characters
- * @base: the base to use
- * @res: where the parsed integer will be stored
- *
- * In case of success 0 is returned and @res will contain the parsed integer,
- * @endp will hold any trailing characters.
- * This function will fail the parse on overflow. If there wasn't an overflow
- * the function will defer the decision what characters count as invalid to the
- * caller.
- */
-static int strtoul_lenient(const char *cp, char **endp, unsigned int base,
- unsigned long *res)
-{
- unsigned long long result;
- unsigned int rv;
-
- cp = _parse_integer_fixup_radix(cp, &base);
- rv = _parse_integer(cp, base, &result);
- if ((rv & KSTRTOX_OVERFLOW) || (result != (unsigned long)result))
- return -ERANGE;
-
- cp += rv;
-
- if (endp)
- *endp = (char *)cp;
-
- *res = (unsigned long)result;
- return 0;
-}
-
-#define TMPBUFLEN 22
-/**
- * proc_get_long - reads an ASCII formatted integer from a user buffer
- *
- * @buf: a kernel buffer
- * @size: size of the kernel buffer
- * @val: this is where the number will be stored
- * @neg: set to %TRUE if number is negative
- * @perm_tr: a vector which contains the allowed trailers
- * @perm_tr_len: size of the perm_tr vector
- * @tr: pointer to store the trailer character
- *
- * In case of success %0 is returned and @buf and @size are updated with
- * the amount of bytes read. If @tr is non-NULL and a trailing
- * character exists (size is non-zero after returning from this
- * function), @tr is updated with the trailing character.
- */
-static int proc_get_long(char **buf, size_t *size,
- unsigned long *val, bool *neg,
- const char *perm_tr, unsigned perm_tr_len, char *tr)
-{
- int len;
- char *p, tmp[TMPBUFLEN];
-
- if (!*size)
- return -EINVAL;
-
- len = *size;
- if (len > TMPBUFLEN - 1)
- len = TMPBUFLEN - 1;
-
- memcpy(tmp, *buf, len);
-
- tmp[len] = 0;
- p = tmp;
- if (*p == '-' && *size > 1) {
- *neg = true;
- p++;
- } else
- *neg = false;
- if (!isdigit(*p))
- return -EINVAL;
-
- if (strtoul_lenient(p, &p, 0, val))
- return -EINVAL;
-
- len = p - tmp;
-
- /* We don't know if the next char is whitespace thus we may accept
- * invalid integers (e.g. 1234...a) or two integers instead of one
- * (e.g. 123...1). So lets not allow such large numbers. */
- if (len == TMPBUFLEN - 1)
- return -EINVAL;
-
- if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len))
- return -EINVAL;
-
- if (tr && (len < *size))
- *tr = *p;
-
- *buf += len;
- *size -= len;
-
- return 0;
-}
-
-/**
- * proc_put_long - converts an integer to a decimal ASCII formatted string
- *
- * @buf: the user buffer
- * @size: the size of the user buffer
- * @val: the integer to be converted
- * @neg: sign of the number, %TRUE for negative
- *
- * In case of success %0 is returned and @buf and @size are updated with
- * the amount of bytes written.
- */
-static int proc_put_long(void __user **buf, size_t *size, unsigned long val,
- bool neg)
-{
- int len;
- char tmp[TMPBUFLEN], *p = tmp;
-
- sprintf(p, "%s%lu", neg ? "-" : "", val);
- len = strlen(tmp);
- if (len > *size)
- len = *size;
- if (copy_to_user(*buf, tmp, len))
- return -EFAULT;
- *size -= len;
- *buf += len;
- return 0;
-}
-#undef TMPBUFLEN
-
-static int proc_put_char(void __user **buf, size_t *size, char c)
-{
- if (*size) {
- char __user **buffer = (char __user **)buf;
- if (put_user(c, *buffer))
- return -EFAULT;
- (*size)--, (*buffer)++;
- *buf = *buffer;
- }
- return 0;
-}
-
-static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp,
- int *valp,
- int write, void *data)
-{
- if (write) {
- if (*negp) {
- if (*lvalp > (unsigned long) INT_MAX + 1)
- return -EINVAL;
- *valp = -*lvalp;
- } else {
- if (*lvalp > (unsigned long) INT_MAX)
- return -EINVAL;
- *valp = *lvalp;
- }
- } else {
- int val = *valp;
- if (val < 0) {
- *negp = true;
- *lvalp = -(unsigned long)val;
- } else {
- *negp = false;
- *lvalp = (unsigned long)val;
- }
- }
- return 0;
-}
-
-static int do_proc_douintvec_conv(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data)
-{
- if (write) {
- if (*lvalp > UINT_MAX)
- return -EINVAL;
- *valp = *lvalp;
- } else {
- unsigned int val = *valp;
- *lvalp = (unsigned long)val;
- }
- return 0;
-}
-
-static const char proc_wspace_sep[] = { ' ', '\t', '\n' };
-
-static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table,
- int write, void __user *buffer,
- size_t *lenp, loff_t *ppos,
- int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
- int write, void *data),
- void *data)
-{
- int *i, vleft, first = 1, err = 0;
- size_t left;
- char *kbuf = NULL, *p;
-
- if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- i = (int *) tbl_data;
- vleft = table->maxlen / sizeof(*i);
- left = *lenp;
-
- if (!conv)
- conv = do_proc_dointvec_conv;
-
- if (write) {
- if (proc_first_pos_non_zero_ignore(ppos, table))
- goto out;
-
- if (left > PAGE_SIZE - 1)
- left = PAGE_SIZE - 1;
- p = kbuf = memdup_user_nul(buffer, left);
- if (IS_ERR(kbuf))
- return PTR_ERR(kbuf);
- }
-
- for (; left && vleft--; i++, first=0) {
- unsigned long lval;
- bool neg;
-
- if (write) {
- left -= proc_skip_spaces(&p);
-
- if (!left)
- break;
- err = proc_get_long(&p, &left, &lval, &neg,
- proc_wspace_sep,
- sizeof(proc_wspace_sep), NULL);
- if (err)
- break;
- if (conv(&neg, &lval, i, 1, data)) {
- err = -EINVAL;
- break;
- }
- } else {
- if (conv(&neg, &lval, i, 0, data)) {
- err = -EINVAL;
- break;
- }
- if (!first)
- err = proc_put_char(&buffer, &left, '\t');
- if (err)
- break;
- err = proc_put_long(&buffer, &left, lval, neg);
- if (err)
- break;
- }
- }
-
- if (!write && !first && left && !err)
- err = proc_put_char(&buffer, &left, '\n');
- if (write && !err && left)
- left -= proc_skip_spaces(&p);
- if (write) {
- kfree(kbuf);
- if (first)
- return err ? : -EINVAL;
- }
- *lenp -= left;
-out:
- *ppos += *lenp;
- return err;
-}
-
-static int do_proc_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos,
- int (*conv)(bool *negp, unsigned long *lvalp, int *valp,
- int write, void *data),
- void *data)
-{
- return __do_proc_dointvec(table->data, table, write,
- buffer, lenp, ppos, conv, data);
-}
-
-static int do_proc_douintvec_w(unsigned int *tbl_data,
- struct ctl_table *table,
- void __user *buffer,
- size_t *lenp, loff_t *ppos,
- int (*conv)(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data),
- void *data)
-{
- unsigned long lval;
- int err = 0;
- size_t left;
- bool neg;
- char *kbuf = NULL, *p;
-
- left = *lenp;
-
- if (proc_first_pos_non_zero_ignore(ppos, table))
- goto bail_early;
-
- if (left > PAGE_SIZE - 1)
- left = PAGE_SIZE - 1;
-
- p = kbuf = memdup_user_nul(buffer, left);
- if (IS_ERR(kbuf))
- return -EINVAL;
-
- left -= proc_skip_spaces(&p);
- if (!left) {
- err = -EINVAL;
- goto out_free;
- }
-
- err = proc_get_long(&p, &left, &lval, &neg,
- proc_wspace_sep,
- sizeof(proc_wspace_sep), NULL);
- if (err || neg) {
- err = -EINVAL;
- goto out_free;
- }
-
- if (conv(&lval, tbl_data, 1, data)) {
- err = -EINVAL;
- goto out_free;
- }
-
- if (!err && left)
- left -= proc_skip_spaces(&p);
-
-out_free:
- kfree(kbuf);
- if (err)
- return -EINVAL;
-
- return 0;
-
- /* This is in keeping with old __do_proc_dointvec() */
-bail_early:
- *ppos += *lenp;
- return err;
-}
-
-static int do_proc_douintvec_r(unsigned int *tbl_data, void __user *buffer,
- size_t *lenp, loff_t *ppos,
- int (*conv)(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data),
- void *data)
-{
- unsigned long lval;
- int err = 0;
- size_t left;
-
- left = *lenp;
-
- if (conv(&lval, tbl_data, 0, data)) {
- err = -EINVAL;
- goto out;
- }
-
- err = proc_put_long(&buffer, &left, lval, false);
- if (err || !left)
- goto out;
-
- err = proc_put_char(&buffer, &left, '\n');
-
-out:
- *lenp -= left;
- *ppos += *lenp;
-
- return err;
-}
-
-static int __do_proc_douintvec(void *tbl_data, struct ctl_table *table,
- int write, void __user *buffer,
- size_t *lenp, loff_t *ppos,
- int (*conv)(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data),
- void *data)
-{
- unsigned int *i, vleft;
-
- if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- i = (unsigned int *) tbl_data;
- vleft = table->maxlen / sizeof(*i);
-
- /*
- * Arrays are not supported, keep this simple. *Do not* add
- * support for them.
- */
- if (vleft != 1) {
- *lenp = 0;
- return -EINVAL;
- }
-
- if (!conv)
- conv = do_proc_douintvec_conv;
-
- if (write)
- return do_proc_douintvec_w(i, table, buffer, lenp, ppos,
- conv, data);
- return do_proc_douintvec_r(i, buffer, lenp, ppos, conv, data);
-}
-
-static int do_proc_douintvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos,
- int (*conv)(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data),
- void *data)
-{
- return __do_proc_douintvec(table->data, table, write,
- buffer, lenp, ppos, conv, data);
-}
-
-/**
- * proc_dointvec - read a vector of integers
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string.
- *
- * Returns 0 on success.
- */
-int proc_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL);
-}
-
-#ifdef CONFIG_COMPACTION
-static int proc_dointvec_minmax_warn_RT_change(struct ctl_table *table,
- int write, void __user *buffer,
- size_t *lenp, loff_t *ppos)
-{
- int ret, old;
-
- if (!IS_ENABLED(CONFIG_PREEMPT_RT) || !write)
- return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
-
- old = *(int *)table->data;
- ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
- if (ret)
- return ret;
- if (old != *(int *)table->data)
- pr_warn_once("sysctl attribute %s changed by %s[%d]\n",
- table->procname, current->comm,
- task_pid_nr(current));
- return ret;
-}
-#endif
-
-/**
- * proc_douintvec - read a vector of unsigned integers
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer
- * values from/to the user buffer, treated as an ASCII string.
- *
- * Returns 0 on success.
- */
-int proc_douintvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_douintvec(table, write, buffer, lenp, ppos,
- do_proc_douintvec_conv, NULL);
-}
-
-/*
- * Taint values can only be increased
- * This means we can safely use a temporary.
- */
-static int proc_taint(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- struct ctl_table t;
- unsigned long tmptaint = get_taint();
- int err;
-
- if (write && !capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- t = *table;
- t.data = &tmptaint;
- err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos);
- if (err < 0)
- return err;
-
- if (write) {
- /*
- * Poor man's atomic or. Not worth adding a primitive
- * to everyone's atomic.h for this
- */
- int i;
- for (i = 0; i < BITS_PER_LONG && tmptaint >> i; i++) {
- if ((tmptaint >> i) & 1)
- add_taint(i, LOCKDEP_STILL_OK);
- }
- }
-
- return err;
-}
-
-#ifdef CONFIG_PRINTK
-static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- if (write && !capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- return proc_dointvec_minmax(table, write, buffer, lenp, ppos);
-}
-#endif
-
-/**
- * struct do_proc_dointvec_minmax_conv_param - proc_dointvec_minmax() range checking structure
- * @min: pointer to minimum allowable value
- * @max: pointer to maximum allowable value
- *
- * The do_proc_dointvec_minmax_conv_param structure provides the
- * minimum and maximum values for doing range checking for those sysctl
- * parameters that use the proc_dointvec_minmax() handler.
- */
-struct do_proc_dointvec_minmax_conv_param {
- int *min;
- int *max;
-};
-
-static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp,
- int *valp,
- int write, void *data)
-{
- int tmp, ret;
- struct do_proc_dointvec_minmax_conv_param *param = data;
- /*
- * If writing, first do so via a temporary local int so we can
- * bounds-check it before touching *valp.
- */
- int *ip = write ? &tmp : valp;
-
- ret = do_proc_dointvec_conv(negp, lvalp, ip, write, data);
- if (ret)
- return ret;
-
- if (write) {
- if ((param->min && *param->min > tmp) ||
- (param->max && *param->max < tmp))
- return -EINVAL;
- *valp = tmp;
- }
-
- return 0;
-}
-
-/**
- * proc_dointvec_minmax - read a vector of integers with min/max values
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string.
- *
- * This routine will ensure the values are within the range specified by
- * table->extra1 (min) and table->extra2 (max).
- *
- * Returns 0 on success or -EINVAL on write when the range check fails.
- */
-int proc_dointvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- struct do_proc_dointvec_minmax_conv_param param = {
- .min = (int *) table->extra1,
- .max = (int *) table->extra2,
- };
- return do_proc_dointvec(table, write, buffer, lenp, ppos,
- do_proc_dointvec_minmax_conv, &param);
-}
-
-/**
- * struct do_proc_douintvec_minmax_conv_param - proc_douintvec_minmax() range checking structure
- * @min: pointer to minimum allowable value
- * @max: pointer to maximum allowable value
- *
- * The do_proc_douintvec_minmax_conv_param structure provides the
- * minimum and maximum values for doing range checking for those sysctl
- * parameters that use the proc_douintvec_minmax() handler.
- */
-struct do_proc_douintvec_minmax_conv_param {
- unsigned int *min;
- unsigned int *max;
-};
-
-static int do_proc_douintvec_minmax_conv(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data)
-{
- int ret;
- unsigned int tmp;
- struct do_proc_douintvec_minmax_conv_param *param = data;
- /* write via temporary local uint for bounds-checking */
- unsigned int *up = write ? &tmp : valp;
-
- ret = do_proc_douintvec_conv(lvalp, up, write, data);
- if (ret)
- return ret;
-
- if (write) {
- if ((param->min && *param->min > tmp) ||
- (param->max && *param->max < tmp))
- return -ERANGE;
-
- *valp = tmp;
- }
-
- return 0;
-}
-
-/**
- * proc_douintvec_minmax - read a vector of unsigned ints with min/max values
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) unsigned integer
- * values from/to the user buffer, treated as an ASCII string. Negative
- * strings are not allowed.
- *
- * This routine will ensure the values are within the range specified by
- * table->extra1 (min) and table->extra2 (max). There is a final sanity
- * check for UINT_MAX to avoid having to support wrap around uses from
- * userspace.
- *
- * Returns 0 on success or -ERANGE on write when the range check fails.
- */
-int proc_douintvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- struct do_proc_douintvec_minmax_conv_param param = {
- .min = (unsigned int *) table->extra1,
- .max = (unsigned int *) table->extra2,
- };
- return do_proc_douintvec(table, write, buffer, lenp, ppos,
- do_proc_douintvec_minmax_conv, &param);
-}
-
-static int do_proc_dopipe_max_size_conv(unsigned long *lvalp,
- unsigned int *valp,
- int write, void *data)
-{
- if (write) {
- unsigned int val;
-
- val = round_pipe_size(*lvalp);
- if (val == 0)
- return -EINVAL;
-
- *valp = val;
- } else {
- unsigned int val = *valp;
- *lvalp = (unsigned long) val;
- }
-
- return 0;
-}
-
-static int proc_dopipe_max_size(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_douintvec(table, write, buffer, lenp, ppos,
- do_proc_dopipe_max_size_conv, NULL);
-}
-
-static void validate_coredump_safety(void)
-{
-#ifdef CONFIG_COREDUMP
- if (suid_dumpable == SUID_DUMP_ROOT &&
- core_pattern[0] != '/' && core_pattern[0] != '|') {
- printk(KERN_WARNING
-"Unsafe core_pattern used with fs.suid_dumpable=2.\n"
-"Pipe handler or fully qualified core dump path required.\n"
-"Set kernel.core_pattern before fs.suid_dumpable.\n"
- );
- }
-#endif
-}
-
-static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
- if (!error)
- validate_coredump_safety();
- return error;
-}
-
-#ifdef CONFIG_COREDUMP
-static int proc_dostring_coredump(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- int error = proc_dostring(table, write, buffer, lenp, ppos);
- if (!error)
- validate_coredump_safety();
- return error;
-}
-#endif
-
-#ifdef CONFIG_MAGIC_SYSRQ
-static int sysrq_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- int tmp, ret;
-
- tmp = sysrq_mask();
-
- ret = __do_proc_dointvec(&tmp, table, write, buffer,
- lenp, ppos, NULL, NULL);
- if (ret || !write)
- return ret;
-
- if (write)
- sysrq_toggle_support(tmp);
-
- return 0;
-}
-#endif
-
-static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos,
- unsigned long convmul,
- unsigned long convdiv)
-{
- unsigned long *i, *min, *max;
- int vleft, first = 1, err = 0;
- size_t left;
- char *kbuf = NULL, *p;
-
- if (!data || !table->maxlen || !*lenp || (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- i = (unsigned long *) data;
- min = (unsigned long *) table->extra1;
- max = (unsigned long *) table->extra2;
- vleft = table->maxlen / sizeof(unsigned long);
- left = *lenp;
-
- if (write) {
- if (proc_first_pos_non_zero_ignore(ppos, table))
- goto out;
-
- if (left > PAGE_SIZE - 1)
- left = PAGE_SIZE - 1;
- p = kbuf = memdup_user_nul(buffer, left);
- if (IS_ERR(kbuf))
- return PTR_ERR(kbuf);
- }
-
- for (; left && vleft--; i++, first = 0) {
- unsigned long val;
-
- if (write) {
- bool neg;
-
- left -= proc_skip_spaces(&p);
- if (!left)
- break;
-
- err = proc_get_long(&p, &left, &val, &neg,
- proc_wspace_sep,
- sizeof(proc_wspace_sep), NULL);
- if (err)
- break;
- if (neg)
- continue;
- val = convmul * val / convdiv;
- if ((min && val < *min) || (max && val > *max)) {
- err = -EINVAL;
- break;
- }
- *i = val;
- } else {
- val = convdiv * (*i) / convmul;
- if (!first) {
- err = proc_put_char(&buffer, &left, '\t');
- if (err)
- break;
- }
- err = proc_put_long(&buffer, &left, val, false);
- if (err)
- break;
- }
- }
-
- if (!write && !first && left && !err)
- err = proc_put_char(&buffer, &left, '\n');
- if (write && !err)
- left -= proc_skip_spaces(&p);
- if (write) {
- kfree(kbuf);
- if (first)
- return err ? : -EINVAL;
- }
- *lenp -= left;
-out:
- *ppos += *lenp;
- return err;
-}
-
-static int do_proc_doulongvec_minmax(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos,
- unsigned long convmul,
- unsigned long convdiv)
-{
- return __do_proc_doulongvec_minmax(table->data, table, write,
- buffer, lenp, ppos, convmul, convdiv);
-}
-
-/**
- * proc_doulongvec_minmax - read a vector of long integers with min/max values
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long
- * values from/to the user buffer, treated as an ASCII string.
- *
- * This routine will ensure the values are within the range specified by
- * table->extra1 (min) and table->extra2 (max).
- *
- * Returns 0 on success.
- */
-int proc_doulongvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_doulongvec_minmax(table, write, buffer, lenp, ppos, 1l, 1l);
-}
-
-/**
- * proc_doulongvec_ms_jiffies_minmax - read a vector of millisecond values with min/max values
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned long) unsigned long
- * values from/to the user buffer, treated as an ASCII string. The values
- * are treated as milliseconds, and converted to jiffies when they are stored.
- *
- * This routine will ensure the values are within the range specified by
- * table->extra1 (min) and table->extra2 (max).
- *
- * Returns 0 on success.
- */
-int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
-{
- return do_proc_doulongvec_minmax(table, write, buffer,
- lenp, ppos, HZ, 1000l);
-}
-
-
-static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp,
- int *valp,
- int write, void *data)
-{
- if (write) {
- if (*lvalp > INT_MAX / HZ)
- return 1;
- *valp = *negp ? -(*lvalp*HZ) : (*lvalp*HZ);
- } else {
- int val = *valp;
- unsigned long lval;
- if (val < 0) {
- *negp = true;
- lval = -(unsigned long)val;
- } else {
- *negp = false;
- lval = (unsigned long)val;
- }
- *lvalp = lval / HZ;
- }
- return 0;
-}
-
-static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp,
- int *valp,
- int write, void *data)
-{
- if (write) {
- if (USER_HZ < HZ && *lvalp > (LONG_MAX / HZ) * USER_HZ)
- return 1;
- *valp = clock_t_to_jiffies(*negp ? -*lvalp : *lvalp);
- } else {
- int val = *valp;
- unsigned long lval;
- if (val < 0) {
- *negp = true;
- lval = -(unsigned long)val;
- } else {
- *negp = false;
- lval = (unsigned long)val;
- }
- *lvalp = jiffies_to_clock_t(lval);
- }
- return 0;
-}
-
-static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp,
- int *valp,
- int write, void *data)
-{
- if (write) {
- unsigned long jif = msecs_to_jiffies(*negp ? -*lvalp : *lvalp);
-
- if (jif > INT_MAX)
- return 1;
- *valp = (int)jif;
- } else {
- int val = *valp;
- unsigned long lval;
- if (val < 0) {
- *negp = true;
- lval = -(unsigned long)val;
- } else {
- *negp = false;
- lval = (unsigned long)val;
- }
- *lvalp = jiffies_to_msecs(lval);
- }
- return 0;
-}
-
-/**
- * proc_dointvec_jiffies - read a vector of integers as seconds
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string.
- * The values read are assumed to be in seconds, and are converted into
- * jiffies.
- *
- * Returns 0 on success.
- */
-int proc_dointvec_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_dointvec(table,write,buffer,lenp,ppos,
- do_proc_dointvec_jiffies_conv,NULL);
-}
-
-/**
- * proc_dointvec_userhz_jiffies - read a vector of integers as 1/USER_HZ seconds
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: pointer to the file position
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string.
- * The values read are assumed to be in 1/USER_HZ seconds, and
- * are converted into jiffies.
- *
- * Returns 0 on success.
- */
-int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_dointvec(table,write,buffer,lenp,ppos,
- do_proc_dointvec_userhz_jiffies_conv,NULL);
-}
-
-/**
- * proc_dointvec_ms_jiffies - read a vector of integers as 1 milliseconds
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- * @ppos: the current position in the file
- *
- * Reads/writes up to table->maxlen/sizeof(unsigned int) integer
- * values from/to the user buffer, treated as an ASCII string.
- * The values read are assumed to be in 1/1000 seconds, and
- * are converted into jiffies.
- *
- * Returns 0 on success.
- */
-int proc_dointvec_ms_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return do_proc_dointvec(table, write, buffer, lenp, ppos,
- do_proc_dointvec_ms_jiffies_conv, NULL);
-}
-
-static int proc_do_cad_pid(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- struct pid *new_pid;
- pid_t tmp;
- int r;
-
- tmp = pid_vnr(cad_pid);
-
- r = __do_proc_dointvec(&tmp, table, write, buffer,
- lenp, ppos, NULL, NULL);
- if (r || !write)
- return r;
-
- new_pid = find_get_pid(tmp);
- if (!new_pid)
- return -ESRCH;
-
- put_pid(xchg(&cad_pid, new_pid));
- return 0;
-}
-
-/**
- * proc_do_large_bitmap - read/write from/to a large bitmap
- * @table: the sysctl table
- * @write: %TRUE if this is a write to the sysctl file
- * @buffer: the user buffer
- * @lenp: the size of the user buffer
- * @ppos: file position
- *
- * The bitmap is stored at table->data and the bitmap length (in bits)
- * in table->maxlen.
- *
- * We use a range comma separated format (e.g. 1,3-4,10-10) so that
- * large bitmaps may be represented in a compact manner. Writing into
- * the file will clear the bitmap then update it with the given input.
- *
- * Returns 0 on success.
- */
-int proc_do_large_bitmap(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- int err = 0;
- bool first = 1;
- size_t left = *lenp;
- unsigned long bitmap_len = table->maxlen;
- unsigned long *bitmap = *(unsigned long **) table->data;
- unsigned long *tmp_bitmap = NULL;
- char tr_a[] = { '-', ',', '\n' }, tr_b[] = { ',', '\n', 0 }, c;
-
- if (!bitmap || !bitmap_len || !left || (*ppos && !write)) {
- *lenp = 0;
- return 0;
- }
-
- if (write) {
- char *kbuf, *p;
- size_t skipped = 0;
-
- if (left > PAGE_SIZE - 1) {
- left = PAGE_SIZE - 1;
- /* How much of the buffer we'll skip this pass */
- skipped = *lenp - left;
- }
-
- p = kbuf = memdup_user_nul(buffer, left);
- if (IS_ERR(kbuf))
- return PTR_ERR(kbuf);
-
- tmp_bitmap = bitmap_zalloc(bitmap_len, GFP_KERNEL);
- if (!tmp_bitmap) {
- kfree(kbuf);
- return -ENOMEM;
- }
- proc_skip_char(&p, &left, '\n');
- while (!err && left) {
- unsigned long val_a, val_b;
- bool neg;
- size_t saved_left;
-
- /* In case we stop parsing mid-number, we can reset */
- saved_left = left;
- err = proc_get_long(&p, &left, &val_a, &neg, tr_a,
- sizeof(tr_a), &c);
- /*
- * If we consumed the entirety of a truncated buffer or
- * only one char is left (may be a "-"), then stop here,
- * reset, & come back for more.
- */
- if ((left <= 1) && skipped) {
- left = saved_left;
- break;
- }
-
- if (err)
- break;
- if (val_a >= bitmap_len || neg) {
- err = -EINVAL;
- break;
- }
-
- val_b = val_a;
- if (left) {
- p++;
- left--;
- }
-
- if (c == '-') {
- err = proc_get_long(&p, &left, &val_b,
- &neg, tr_b, sizeof(tr_b),
- &c);
- /*
- * If we consumed all of a truncated buffer or
- * then stop here, reset, & come back for more.
- */
- if (!left && skipped) {
- left = saved_left;
- break;
- }
-
- if (err)
- break;
- if (val_b >= bitmap_len || neg ||
- val_a > val_b) {
- err = -EINVAL;
- break;
- }
- if (left) {
- p++;
- left--;
- }
- }
-
- bitmap_set(tmp_bitmap, val_a, val_b - val_a + 1);
- first = 0;
- proc_skip_char(&p, &left, '\n');
- }
- kfree(kbuf);
- left += skipped;
- } else {
- unsigned long bit_a, bit_b = 0;
-
- while (left) {
- bit_a = find_next_bit(bitmap, bitmap_len, bit_b);
- if (bit_a >= bitmap_len)
- break;
- bit_b = find_next_zero_bit(bitmap, bitmap_len,
- bit_a + 1) - 1;
-
- if (!first) {
- err = proc_put_char(&buffer, &left, ',');
- if (err)
- break;
- }
- err = proc_put_long(&buffer, &left, bit_a, false);
- if (err)
- break;
- if (bit_a != bit_b) {
- err = proc_put_char(&buffer, &left, '-');
- if (err)
- break;
- err = proc_put_long(&buffer, &left, bit_b, false);
- if (err)
- break;
- }
-
- first = 0; bit_b++;
- }
- if (!err)
- err = proc_put_char(&buffer, &left, '\n');
- }
-
- if (!err) {
- if (write) {
- if (*ppos)
- bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len);
- else
- bitmap_copy(bitmap, tmp_bitmap, bitmap_len);
- }
- *lenp -= left;
- *ppos += *lenp;
- }
-
- bitmap_free(tmp_bitmap);
- return err;
-}
-
-#else /* CONFIG_PROC_SYSCTL */
-
-int proc_dostring(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_douintvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_dointvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_douintvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_dointvec_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_dointvec_userhz_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_dointvec_ms_jiffies(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_doulongvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-int proc_do_large_bitmap(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
-{
- return -ENOSYS;
-}
-
-#endif /* CONFIG_PROC_SYSCTL */
-
-#if defined(CONFIG_SYSCTL)
-int proc_do_static_key(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
-{
- struct static_key *key = (struct static_key *)table->data;
- static DEFINE_MUTEX(static_key_mutex);
- int val, ret;
- struct ctl_table tmp = {
- .data = &val,
- .maxlen = sizeof(val),
- .mode = table->mode,
- .extra1 = SYSCTL_ZERO,
- .extra2 = SYSCTL_ONE,
- };
-
- if (write && !capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- mutex_lock(&static_key_mutex);
- val = static_key_enabled(key);
- ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
- if (write && !ret) {
- if (val)
- static_key_enable(key);
- else
- static_key_disable(key);
- }
- mutex_unlock(&static_key_mutex);
- return ret;
-}
-#endif
/*
* No sense putting this after each symbol definition, twice,
* exception granted :-)
diff --git a/kernel/time/namespace.c b/kernel/time/namespace.c
index 53bce347cd50..5d9fc22d836a 100644
--- a/kernel/time/namespace.c
+++ b/kernel/time/namespace.c
@@ -280,8 +280,9 @@ static void timens_put(struct ns_common *ns)
put_time_ns(to_time_ns(ns));
}
-static int timens_install(struct nsproxy *nsproxy, struct ns_common *new)
+static int timens_install(struct nsset *nsset, struct ns_common *new)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct time_namespace *ns = to_time_ns(new);
int err;
@@ -289,7 +290,7 @@ static int timens_install(struct nsproxy *nsproxy, struct ns_common *new)
return -EUSERS;
if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
return -EPERM;
timens_set_vvar_page(current, ns);
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index a5221abb4594..398e6eadb861 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -249,8 +249,7 @@ void timers_update_nohz(void)
}
int timer_migration_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 402eef84c859..24876faac753 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -10,11 +10,6 @@ config USER_STACKTRACE_SUPPORT
config NOP_TRACER
bool
-config HAVE_FTRACE_NMI_ENTER
- bool
- help
- See Documentation/trace/ftrace-design.rst
-
config HAVE_FUNCTION_TRACER
bool
help
@@ -72,11 +67,6 @@ config RING_BUFFER
select TRACE_CLOCK
select IRQ_WORK
-config FTRACE_NMI_ENTER
- bool
- depends on HAVE_FTRACE_NMI_ENTER
- default y
-
config EVENT_TRACING
select CONTEXT_SWITCH_TRACER
select GLOB
@@ -158,6 +148,7 @@ config FUNCTION_TRACER
select CONTEXT_SWITCH_TRACER
select GLOB
select TASKS_RCU if PREEMPTION
+ select TASKS_RUDE_RCU
help
Enable the kernel to trace every kernel function. This is done
by using a compiler feature to insert a small, 5-byte No-Operation
@@ -466,7 +457,6 @@ config PROFILE_ANNOTATED_BRANCHES
config PROFILE_ALL_BRANCHES
bool "Profile all if conditionals" if !FORTIFY_SOURCE
select TRACE_BRANCH_PROFILING
- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives
help
This tracer profiles all branch conditions. Every if ()
taken in the kernel is recorded whether it hit or miss.
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index ca39dc3230cb..ea47f2084087 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -170,10 +170,10 @@ void __trace_note_message(struct blk_trace *bt, struct blkcg *blkcg,
if (!(blk_tracer_flags.val & TRACE_BLK_OPT_CGROUP))
blkcg = NULL;
#ifdef CONFIG_BLK_CGROUP
- trace_note(bt, 0, BLK_TN_MESSAGE, buf, n,
+ trace_note(bt, current->pid, BLK_TN_MESSAGE, buf, n,
blkcg ? cgroup_id(blkcg->css.cgroup) : 1);
#else
- trace_note(bt, 0, BLK_TN_MESSAGE, buf, n, 0);
+ trace_note(bt, current->pid, BLK_TN_MESSAGE, buf, n, 0);
#endif
local_irq_restore(flags);
}
diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index ca1796747a77..3744372a24e2 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -147,7 +147,7 @@ BPF_CALL_3(bpf_probe_read_user, void *, dst, u32, size,
return ret;
}
-static const struct bpf_func_proto bpf_probe_read_user_proto = {
+const struct bpf_func_proto bpf_probe_read_user_proto = {
.func = bpf_probe_read_user,
.gpl_only = true,
.ret_type = RET_INTEGER,
@@ -167,7 +167,7 @@ BPF_CALL_3(bpf_probe_read_user_str, void *, dst, u32, size,
return ret;
}
-static const struct bpf_func_proto bpf_probe_read_user_str_proto = {
+const struct bpf_func_proto bpf_probe_read_user_str_proto = {
.func = bpf_probe_read_user_str,
.gpl_only = true,
.ret_type = RET_INTEGER,
@@ -198,7 +198,7 @@ BPF_CALL_3(bpf_probe_read_kernel, void *, dst, u32, size,
return bpf_probe_read_kernel_common(dst, size, unsafe_ptr, false);
}
-static const struct bpf_func_proto bpf_probe_read_kernel_proto = {
+const struct bpf_func_proto bpf_probe_read_kernel_proto = {
.func = bpf_probe_read_kernel,
.gpl_only = true,
.ret_type = RET_INTEGER,
@@ -253,7 +253,7 @@ BPF_CALL_3(bpf_probe_read_kernel_str, void *, dst, u32, size,
return bpf_probe_read_kernel_str_common(dst, size, unsafe_ptr, false);
}
-static const struct bpf_func_proto bpf_probe_read_kernel_str_proto = {
+const struct bpf_func_proto bpf_probe_read_kernel_str_proto = {
.func = bpf_probe_read_kernel_str,
.gpl_only = true,
.ret_type = RET_INTEGER,
@@ -315,6 +315,9 @@ static const struct bpf_func_proto bpf_probe_write_user_proto = {
static const struct bpf_func_proto *bpf_get_probe_write_proto(void)
{
+ if (!capable(CAP_SYS_ADMIN))
+ return NULL;
+
pr_warn_ratelimited("%s[%d] is installing a program with bpf_probe_write_user helper that may corrupt user memory!",
current->comm, task_pid_nr(current));
@@ -323,17 +326,15 @@ static const struct bpf_func_proto *bpf_get_probe_write_proto(void)
/*
* Only limited trace_printk() conversion specifiers allowed:
- * %d %i %u %x %ld %li %lu %lx %lld %lli %llu %llx %p %s
+ * %d %i %u %x %ld %li %lu %lx %lld %lli %llu %llx %p %pks %pus %s
*/
BPF_CALL_5(bpf_trace_printk, char *, fmt, u32, fmt_size, u64, arg1,
u64, arg2, u64, arg3)
{
+ int i, mod[3] = {}, fmt_cnt = 0;
+ char buf[64], fmt_ptype;
+ void *unsafe_ptr = NULL;
bool str_seen = false;
- int mod[3] = {};
- int fmt_cnt = 0;
- u64 unsafe_addr;
- char buf[64];
- int i;
/*
* bpf_check()->check_func_arg()->check_stack_boundary()
@@ -359,40 +360,71 @@ BPF_CALL_5(bpf_trace_printk, char *, fmt, u32, fmt_size, u64, arg1,
if (fmt[i] == 'l') {
mod[fmt_cnt]++;
i++;
- } else if (fmt[i] == 'p' || fmt[i] == 's') {
+ } else if (fmt[i] == 'p') {
mod[fmt_cnt]++;
+ if ((fmt[i + 1] == 'k' ||
+ fmt[i + 1] == 'u') &&
+ fmt[i + 2] == 's') {
+ fmt_ptype = fmt[i + 1];
+ i += 2;
+ goto fmt_str;
+ }
+
/* disallow any further format extensions */
if (fmt[i + 1] != 0 &&
!isspace(fmt[i + 1]) &&
!ispunct(fmt[i + 1]))
return -EINVAL;
- fmt_cnt++;
- if (fmt[i] == 's') {
- if (str_seen)
- /* allow only one '%s' per fmt string */
- return -EINVAL;
- str_seen = true;
-
- switch (fmt_cnt) {
- case 1:
- unsafe_addr = arg1;
- arg1 = (long) buf;
- break;
- case 2:
- unsafe_addr = arg2;
- arg2 = (long) buf;
- break;
- case 3:
- unsafe_addr = arg3;
- arg3 = (long) buf;
- break;
- }
- buf[0] = 0;
- strncpy_from_unsafe(buf,
- (void *) (long) unsafe_addr,
+
+ goto fmt_next;
+ } else if (fmt[i] == 's') {
+ mod[fmt_cnt]++;
+ fmt_ptype = fmt[i];
+fmt_str:
+ if (str_seen)
+ /* allow only one '%s' per fmt string */
+ return -EINVAL;
+ str_seen = true;
+
+ if (fmt[i + 1] != 0 &&
+ !isspace(fmt[i + 1]) &&
+ !ispunct(fmt[i + 1]))
+ return -EINVAL;
+
+ switch (fmt_cnt) {
+ case 0:
+ unsafe_ptr = (void *)(long)arg1;
+ arg1 = (long)buf;
+ break;
+ case 1:
+ unsafe_ptr = (void *)(long)arg2;
+ arg2 = (long)buf;
+ break;
+ case 2:
+ unsafe_ptr = (void *)(long)arg3;
+ arg3 = (long)buf;
+ break;
+ }
+
+ buf[0] = 0;
+ switch (fmt_ptype) {
+ case 's':
+#ifdef CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
+ strncpy_from_unsafe(buf, unsafe_ptr,
sizeof(buf));
+ break;
+#endif
+ case 'k':
+ strncpy_from_unsafe_strict(buf, unsafe_ptr,
+ sizeof(buf));
+ break;
+ case 'u':
+ strncpy_from_unsafe_user(buf,
+ (__force void __user *)unsafe_ptr,
+ sizeof(buf));
+ break;
}
- continue;
+ goto fmt_next;
}
if (fmt[i] == 'l') {
@@ -403,6 +435,7 @@ BPF_CALL_5(bpf_trace_printk, char *, fmt, u32, fmt_size, u64, arg1,
if (fmt[i] != 'i' && fmt[i] != 'd' &&
fmt[i] != 'u' && fmt[i] != 'x')
return -EINVAL;
+fmt_next:
fmt_cnt++;
}
@@ -457,6 +490,212 @@ const struct bpf_func_proto *bpf_get_trace_printk_proto(void)
return &bpf_trace_printk_proto;
}
+#define MAX_SEQ_PRINTF_VARARGS 12
+#define MAX_SEQ_PRINTF_MAX_MEMCPY 6
+#define MAX_SEQ_PRINTF_STR_LEN 128
+
+struct bpf_seq_printf_buf {
+ char buf[MAX_SEQ_PRINTF_MAX_MEMCPY][MAX_SEQ_PRINTF_STR_LEN];
+};
+static DEFINE_PER_CPU(struct bpf_seq_printf_buf, bpf_seq_printf_buf);
+static DEFINE_PER_CPU(int, bpf_seq_printf_buf_used);
+
+BPF_CALL_5(bpf_seq_printf, struct seq_file *, m, char *, fmt, u32, fmt_size,
+ const void *, data, u32, data_len)
+{
+ int err = -EINVAL, fmt_cnt = 0, memcpy_cnt = 0;
+ int i, buf_used, copy_size, num_args;
+ u64 params[MAX_SEQ_PRINTF_VARARGS];
+ struct bpf_seq_printf_buf *bufs;
+ const u64 *args = data;
+
+ buf_used = this_cpu_inc_return(bpf_seq_printf_buf_used);
+ if (WARN_ON_ONCE(buf_used > 1)) {
+ err = -EBUSY;
+ goto out;
+ }
+
+ bufs = this_cpu_ptr(&bpf_seq_printf_buf);
+
+ /*
+ * bpf_check()->check_func_arg()->check_stack_boundary()
+ * guarantees that fmt points to bpf program stack,
+ * fmt_size bytes of it were initialized and fmt_size > 0
+ */
+ if (fmt[--fmt_size] != 0)
+ goto out;
+
+ if (data_len & 7)
+ goto out;
+
+ for (i = 0; i < fmt_size; i++) {
+ if (fmt[i] == '%') {
+ if (fmt[i + 1] == '%')
+ i++;
+ else if (!data || !data_len)
+ goto out;
+ }
+ }
+
+ num_args = data_len / 8;
+
+ /* check format string for allowed specifiers */
+ for (i = 0; i < fmt_size; i++) {
+ /* only printable ascii for now. */
+ if ((!isprint(fmt[i]) && !isspace(fmt[i])) || !isascii(fmt[i])) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (fmt[i] != '%')
+ continue;
+
+ if (fmt[i + 1] == '%') {
+ i++;
+ continue;
+ }
+
+ if (fmt_cnt >= MAX_SEQ_PRINTF_VARARGS) {
+ err = -E2BIG;
+ goto out;
+ }
+
+ if (fmt_cnt >= num_args) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ /* fmt[i] != 0 && fmt[last] == 0, so we can access fmt[i + 1] */
+ i++;
+
+ /* skip optional "[0 +-][num]" width formating field */
+ while (fmt[i] == '0' || fmt[i] == '+' || fmt[i] == '-' ||
+ fmt[i] == ' ')
+ i++;
+ if (fmt[i] >= '1' && fmt[i] <= '9') {
+ i++;
+ while (fmt[i] >= '0' && fmt[i] <= '9')
+ i++;
+ }
+
+ if (fmt[i] == 's') {
+ /* try our best to copy */
+ if (memcpy_cnt >= MAX_SEQ_PRINTF_MAX_MEMCPY) {
+ err = -E2BIG;
+ goto out;
+ }
+
+ err = strncpy_from_unsafe_strict(bufs->buf[memcpy_cnt],
+ (void *) (long) args[fmt_cnt],
+ MAX_SEQ_PRINTF_STR_LEN);
+ if (err < 0)
+ bufs->buf[memcpy_cnt][0] = '\0';
+ params[fmt_cnt] = (u64)(long)bufs->buf[memcpy_cnt];
+
+ fmt_cnt++;
+ memcpy_cnt++;
+ continue;
+ }
+
+ if (fmt[i] == 'p') {
+ if (fmt[i + 1] == 0 ||
+ fmt[i + 1] == 'K' ||
+ fmt[i + 1] == 'x') {
+ /* just kernel pointers */
+ params[fmt_cnt] = args[fmt_cnt];
+ fmt_cnt++;
+ continue;
+ }
+
+ /* only support "%pI4", "%pi4", "%pI6" and "%pi6". */
+ if (fmt[i + 1] != 'i' && fmt[i + 1] != 'I') {
+ err = -EINVAL;
+ goto out;
+ }
+ if (fmt[i + 2] != '4' && fmt[i + 2] != '6') {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (memcpy_cnt >= MAX_SEQ_PRINTF_MAX_MEMCPY) {
+ err = -E2BIG;
+ goto out;
+ }
+
+
+ copy_size = (fmt[i + 2] == '4') ? 4 : 16;
+
+ err = probe_kernel_read(bufs->buf[memcpy_cnt],
+ (void *) (long) args[fmt_cnt],
+ copy_size);
+ if (err < 0)
+ memset(bufs->buf[memcpy_cnt], 0, copy_size);
+ params[fmt_cnt] = (u64)(long)bufs->buf[memcpy_cnt];
+
+ i += 2;
+ fmt_cnt++;
+ memcpy_cnt++;
+ continue;
+ }
+
+ if (fmt[i] == 'l') {
+ i++;
+ if (fmt[i] == 'l')
+ i++;
+ }
+
+ if (fmt[i] != 'i' && fmt[i] != 'd' &&
+ fmt[i] != 'u' && fmt[i] != 'x') {
+ err = -EINVAL;
+ goto out;
+ }
+
+ params[fmt_cnt] = args[fmt_cnt];
+ fmt_cnt++;
+ }
+
+ /* Maximumly we can have MAX_SEQ_PRINTF_VARARGS parameter, just give
+ * all of them to seq_printf().
+ */
+ seq_printf(m, fmt, params[0], params[1], params[2], params[3],
+ params[4], params[5], params[6], params[7], params[8],
+ params[9], params[10], params[11]);
+
+ err = seq_has_overflowed(m) ? -EOVERFLOW : 0;
+out:
+ this_cpu_dec(bpf_seq_printf_buf_used);
+ return err;
+}
+
+static int bpf_seq_printf_btf_ids[5];
+static const struct bpf_func_proto bpf_seq_printf_proto = {
+ .func = bpf_seq_printf,
+ .gpl_only = true,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_BTF_ID,
+ .arg2_type = ARG_PTR_TO_MEM,
+ .arg3_type = ARG_CONST_SIZE,
+ .arg4_type = ARG_PTR_TO_MEM_OR_NULL,
+ .arg5_type = ARG_CONST_SIZE_OR_ZERO,
+ .btf_id = bpf_seq_printf_btf_ids,
+};
+
+BPF_CALL_3(bpf_seq_write, struct seq_file *, m, const void *, data, u32, len)
+{
+ return seq_write(m, data, len) ? -EOVERFLOW : 0;
+}
+
+static int bpf_seq_write_btf_ids[5];
+static const struct bpf_func_proto bpf_seq_write_proto = {
+ .func = bpf_seq_write,
+ .gpl_only = true,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_BTF_ID,
+ .arg2_type = ARG_PTR_TO_MEM,
+ .arg3_type = ARG_CONST_SIZE_OR_ZERO,
+ .btf_id = bpf_seq_write_btf_ids,
+};
+
static __always_inline int
get_map_perf_counter(struct bpf_map *map, u64 flags,
u64 *value, u64 *enabled, u64 *running)
@@ -668,7 +907,7 @@ BPF_CALL_0(bpf_get_current_task)
return (long) current;
}
-static const struct bpf_func_proto bpf_get_current_task_proto = {
+const struct bpf_func_proto bpf_get_current_task_proto = {
.func = bpf_get_current_task,
.gpl_only = true,
.ret_type = RET_INTEGER,
@@ -797,6 +1036,8 @@ bpf_tracing_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_map_peek_elem_proto;
case BPF_FUNC_ktime_get_ns:
return &bpf_ktime_get_ns_proto;
+ case BPF_FUNC_ktime_get_boot_ns:
+ return &bpf_ktime_get_boot_ns_proto;
case BPF_FUNC_tail_call:
return &bpf_tail_call_proto;
case BPF_FUNC_get_current_pid_tgid:
@@ -825,14 +1066,16 @@ bpf_tracing_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_probe_read_user_proto;
case BPF_FUNC_probe_read_kernel:
return &bpf_probe_read_kernel_proto;
- case BPF_FUNC_probe_read:
- return &bpf_probe_read_compat_proto;
case BPF_FUNC_probe_read_user_str:
return &bpf_probe_read_user_str_proto;
case BPF_FUNC_probe_read_kernel_str:
return &bpf_probe_read_kernel_str_proto;
+#ifdef CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
+ case BPF_FUNC_probe_read:
+ return &bpf_probe_read_compat_proto;
case BPF_FUNC_probe_read_str:
return &bpf_probe_read_compat_str_proto;
+#endif
#ifdef CONFIG_CGROUPS
case BPF_FUNC_get_current_cgroup_id:
return &bpf_get_current_cgroup_id_proto;
@@ -845,6 +1088,16 @@ bpf_tracing_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_perf_event_read_value_proto;
case BPF_FUNC_get_ns_current_pid_tgid:
return &bpf_get_ns_current_pid_tgid_proto;
+ case BPF_FUNC_ringbuf_output:
+ return &bpf_ringbuf_output_proto;
+ case BPF_FUNC_ringbuf_reserve:
+ return &bpf_ringbuf_reserve_proto;
+ case BPF_FUNC_ringbuf_submit:
+ return &bpf_ringbuf_submit_proto;
+ case BPF_FUNC_ringbuf_discard:
+ return &bpf_ringbuf_discard_proto;
+ case BPF_FUNC_ringbuf_query:
+ return &bpf_ringbuf_query_proto;
default:
return NULL;
}
@@ -1214,7 +1467,7 @@ raw_tp_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
}
}
-static const struct bpf_func_proto *
+const struct bpf_func_proto *
tracing_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
{
switch (func_id) {
@@ -1224,6 +1477,14 @@ tracing_prog_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
case BPF_FUNC_xdp_output:
return &bpf_xdp_output_proto;
#endif
+ case BPF_FUNC_seq_printf:
+ return prog->expected_attach_type == BPF_TRACE_ITER ?
+ &bpf_seq_printf_proto :
+ NULL;
+ case BPF_FUNC_seq_write:
+ return prog->expected_attach_type == BPF_TRACE_ITER ?
+ &bpf_seq_write_proto :
+ NULL;
default:
return raw_tp_prog_func_proto(func_id, prog);
}
@@ -1468,7 +1729,7 @@ int perf_event_query_prog_array(struct perf_event *event, void __user *info)
u32 *ids, prog_cnt, ids_len;
int ret;
- if (!capable(CAP_SYS_ADMIN))
+ if (!perfmon_capable())
return -EPERM;
if (event->attr.type != PERF_TYPE_TRACEPOINT)
return -EINVAL;
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 041694a1eb74..b5765aeea698 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -160,17 +160,6 @@ static void ftrace_pid_func(unsigned long ip, unsigned long parent_ip,
op->saved_func(ip, parent_ip, op, regs);
}
-static void ftrace_sync(struct work_struct *work)
-{
- /*
- * This function is just a stub to implement a hard force
- * of synchronize_rcu(). This requires synchronizing
- * tasks even in userspace and idle.
- *
- * Yes, function tracing is rude.
- */
-}
-
static void ftrace_sync_ipi(void *data)
{
/* Probably not needed, but do it anyway */
@@ -256,7 +245,7 @@ static void update_ftrace_function(void)
* Make sure all CPUs see this. Yes this is slow, but static
* tracing is slow and nasty to have enabled.
*/
- schedule_on_each_cpu(ftrace_sync);
+ synchronize_rcu_tasks_rude();
/* Now all cpus are using the list ops. */
function_trace_op = set_function_trace_op;
/* Make sure the function_trace_op is visible on all CPUs */
@@ -2932,7 +2921,7 @@ int ftrace_shutdown(struct ftrace_ops *ops, int command)
* infrastructure to do the synchronization, thus we must do it
* ourselves.
*/
- schedule_on_each_cpu(ftrace_sync);
+ synchronize_rcu_tasks_rude();
/*
* When the kernel is preeptive, tasks can be preempted
@@ -5165,6 +5154,7 @@ int unregister_ftrace_direct(unsigned long ip, unsigned long addr)
list_del_rcu(&direct->next);
synchronize_rcu_tasks();
kfree(direct);
+ kfree(entry);
ftrace_direct_func_count--;
}
}
@@ -5887,7 +5877,7 @@ ftrace_graph_release(struct inode *inode, struct file *file)
* infrastructure to do the synchronization, thus we must do it
* ourselves.
*/
- schedule_on_each_cpu(ftrace_sync);
+ synchronize_rcu_tasks_rude();
free_ftrace_hash(old_hash);
}
diff --git a/kernel/trace/ftrace_internal.h b/kernel/trace/ftrace_internal.h
index 0456e0a3dab1..382775edf690 100644
--- a/kernel/trace/ftrace_internal.h
+++ b/kernel/trace/ftrace_internal.h
@@ -4,28 +4,6 @@
#ifdef CONFIG_FUNCTION_TRACER
-/*
- * Traverse the ftrace_global_list, invoking all entries. The reason that we
- * can use rcu_dereference_raw_check() is that elements removed from this list
- * are simply leaked, so there is no need to interact with a grace-period
- * mechanism. The rcu_dereference_raw_check() calls are needed to handle
- * concurrent insertions into the ftrace_global_list.
- *
- * Silly Alpha and silly pointer-speculation compiler optimizations!
- */
-#define do_for_each_ftrace_op(op, list) \
- op = rcu_dereference_raw_check(list); \
- do
-
-/*
- * Optimized for just a single item in the list (as that is the normal case).
- */
-#define while_for_each_ftrace_op(op) \
- while (likely(op = rcu_dereference_raw_check((op)->next)) && \
- unlikely((op) != &ftrace_list_end))
-
-extern struct ftrace_ops __rcu *ftrace_ops_list;
-extern struct ftrace_ops ftrace_list_end;
extern struct mutex ftrace_lock;
extern struct ftrace_ops global_ops;
diff --git a/kernel/trace/preemptirq_delay_test.c b/kernel/trace/preemptirq_delay_test.c
index 31c0fad4cb9e..312d1a0ca3b6 100644
--- a/kernel/trace/preemptirq_delay_test.c
+++ b/kernel/trace/preemptirq_delay_test.c
@@ -16,6 +16,7 @@
#include <linux/printk.h>
#include <linux/string.h>
#include <linux/sysfs.h>
+#include <linux/completion.h>
static ulong delay = 100;
static char test_mode[12] = "irq";
@@ -28,6 +29,8 @@ MODULE_PARM_DESC(delay, "Period in microseconds (100 us default)");
MODULE_PARM_DESC(test_mode, "Mode of the test such as preempt, irq, or alternate (default irq)");
MODULE_PARM_DESC(burst_size, "The size of a burst (default 1)");
+static struct completion done;
+
#define MIN(x, y) ((x) < (y) ? (x) : (y))
static void busy_wait(ulong time)
@@ -113,22 +116,47 @@ static int preemptirq_delay_run(void *data)
for (i = 0; i < s; i++)
(testfuncs[i])(i);
+
+ complete(&done);
+
+ set_current_state(TASK_INTERRUPTIBLE);
+ while (!kthread_should_stop()) {
+ schedule();
+ set_current_state(TASK_INTERRUPTIBLE);
+ }
+
+ __set_current_state(TASK_RUNNING);
+
return 0;
}
-static struct task_struct *preemptirq_start_test(void)
+static int preemptirq_run_test(void)
{
+ struct task_struct *task;
char task_name[50];
+ init_completion(&done);
+
snprintf(task_name, sizeof(task_name), "%s_test", test_mode);
- return kthread_run(preemptirq_delay_run, NULL, task_name);
+ task = kthread_run(preemptirq_delay_run, NULL, task_name);
+ if (IS_ERR(task))
+ return PTR_ERR(task);
+ if (task) {
+ wait_for_completion(&done);
+ kthread_stop(task);
+ }
+ return 0;
}
static ssize_t trigger_store(struct kobject *kobj, struct kobj_attribute *attr,
const char *buf, size_t count)
{
- preemptirq_start_test();
+ ssize_t ret;
+
+ ret = preemptirq_run_test();
+ if (ret)
+ return ret;
return count;
}
@@ -148,11 +176,9 @@ static struct kobject *preemptirq_delay_kobj;
static int __init preemptirq_delay_init(void)
{
- struct task_struct *test_task;
int retval;
- test_task = preemptirq_start_test();
- retval = PTR_ERR_OR_ZERO(test_task);
+ retval = preemptirq_run_test();
if (retval != 0)
return retval;
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 6f0b42ceeb00..b8e1ca48be50 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -193,7 +193,7 @@ rb_event_length(struct ring_buffer_event *event)
case RINGBUF_TYPE_DATA:
return rb_event_data_length(event);
default:
- BUG();
+ WARN_ON_ONCE(1);
}
/* not hit */
return 0;
@@ -249,7 +249,7 @@ rb_event_data(struct ring_buffer_event *event)
{
if (extended_time(event))
event = skip_time_extend(event);
- BUG_ON(event->type_len > RINGBUF_TYPE_DATA_TYPE_LEN_MAX);
+ WARN_ON_ONCE(event->type_len > RINGBUF_TYPE_DATA_TYPE_LEN_MAX);
/* If length is in len field, then array[0] has the data */
if (event->type_len)
return (void *)&event->array[0];
@@ -3727,7 +3727,7 @@ rb_update_read_stamp(struct ring_buffer_per_cpu *cpu_buffer,
return;
default:
- BUG();
+ RB_WARN_ON(cpu_buffer, 1);
}
return;
}
@@ -3757,7 +3757,7 @@ rb_update_iter_read_stamp(struct ring_buffer_iter *iter,
return;
default:
- BUG();
+ RB_WARN_ON(iter->cpu_buffer, 1);
}
return;
}
@@ -4020,7 +4020,7 @@ rb_buffer_peek(struct ring_buffer_per_cpu *cpu_buffer, u64 *ts,
return event;
default:
- BUG();
+ RB_WARN_ON(cpu_buffer, 1);
}
return NULL;
@@ -4034,7 +4034,6 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
struct ring_buffer_per_cpu *cpu_buffer;
struct ring_buffer_event *event;
int nr_loops = 0;
- bool failed = false;
if (ts)
*ts = 0;
@@ -4056,19 +4055,14 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
return NULL;
/*
- * We repeat when a time extend is encountered or we hit
- * the end of the page. Since the time extend is always attached
- * to a data event, we should never loop more than three times.
- * Once for going to next page, once on time extend, and
- * finally once to get the event.
- * We should never hit the following condition more than thrice,
- * unless the buffer is very small, and there's a writer
- * that is causing the reader to fail getting an event.
+ * As the writer can mess with what the iterator is trying
+ * to read, just give up if we fail to get an event after
+ * three tries. The iterator is not as reliable when reading
+ * the ring buffer with an active write as the consumer is.
+ * Do not warn if the three failures is reached.
*/
- if (++nr_loops > 3) {
- RB_WARN_ON(cpu_buffer, !failed);
+ if (++nr_loops > 3)
return NULL;
- }
if (rb_per_cpu_empty(cpu_buffer))
return NULL;
@@ -4079,10 +4073,8 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
}
event = rb_iter_head_event(iter);
- if (!event) {
- failed = true;
+ if (!event)
goto again;
- }
switch (event->type_len) {
case RINGBUF_TYPE_PADDING:
@@ -4117,7 +4109,7 @@ rb_iter_peek(struct ring_buffer_iter *iter, u64 *ts)
return event;
default:
- BUG();
+ RB_WARN_ON(cpu_buffer, 1);
}
return NULL;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8d2b98812625..3ab27022c20f 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -947,7 +947,8 @@ int __trace_bputs(unsigned long ip, const char *str)
EXPORT_SYMBOL_GPL(__trace_bputs);
#ifdef CONFIG_TRACER_SNAPSHOT
-void tracing_snapshot_instance_cond(struct trace_array *tr, void *cond_data)
+static void tracing_snapshot_instance_cond(struct trace_array *tr,
+ void *cond_data)
{
struct tracer *tracer = tr->current_trace;
unsigned long flags;
@@ -2661,7 +2662,7 @@ static void output_printk(struct trace_event_buffer *fbuffer)
}
int tracepoint_printk_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int save_tracepoint_printk;
@@ -6304,13 +6305,6 @@ static void tracing_spd_release_pipe(struct splice_pipe_desc *spd,
__free_page(spd->pages[idx]);
}
-static const struct pipe_buf_operations tracing_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
- .release = generic_pipe_buf_release,
- .steal = generic_pipe_buf_steal,
- .get = generic_pipe_buf_get,
-};
-
static size_t
tracing_fill_pipe_page(size_t rem, struct trace_iterator *iter)
{
@@ -6372,7 +6366,7 @@ static ssize_t tracing_splice_read_pipe(struct file *filp,
.partial = partial_def,
.nr_pages = 0, /* This gets updated below. */
.nr_pages_max = PIPE_DEF_BUFFERS,
- .ops = &tracing_pipe_buf_ops,
+ .ops = &default_pipe_buf_ops,
.spd_release = tracing_spd_release_pipe,
};
ssize_t ret;
@@ -7581,9 +7575,7 @@ static bool buffer_pipe_buf_get(struct pipe_inode_info *pipe,
/* Pipe buffer operations for a buffer. */
static const struct pipe_buf_operations buffer_pipe_buf_ops = {
- .confirm = generic_pipe_buf_confirm,
.release = buffer_pipe_buf_release,
- .steal = generic_pipe_buf_nosteal,
.get = buffer_pipe_buf_get,
};
@@ -8525,6 +8517,7 @@ static int allocate_trace_buffers(struct trace_array *tr, int size)
*/
allocate_snapshot = false;
#endif
+
return 0;
}
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c
index 06d7feb5255f..9de29bb45a27 100644
--- a/kernel/trace/trace_boot.c
+++ b/kernel/trace/trace_boot.c
@@ -95,24 +95,20 @@ trace_boot_add_kprobe_event(struct xbc_node *node, const char *event)
struct xbc_node *anode;
char buf[MAX_BUF_LEN];
const char *val;
- int ret;
+ int ret = 0;
- kprobe_event_cmd_init(&cmd, buf, MAX_BUF_LEN);
+ xbc_node_for_each_array_value(node, "probes", anode, val) {
+ kprobe_event_cmd_init(&cmd, buf, MAX_BUF_LEN);
- ret = kprobe_event_gen_cmd_start(&cmd, event, NULL);
- if (ret)
- return ret;
+ ret = kprobe_event_gen_cmd_start(&cmd, event, val);
+ if (ret)
+ break;
- xbc_node_for_each_array_value(node, "probes", anode, val) {
- ret = kprobe_event_add_field(&cmd, val);
+ ret = kprobe_event_gen_cmd_end(&cmd);
if (ret)
- return ret;
+ pr_err("Failed to add probe: %s\n", buf);
}
- ret = kprobe_event_gen_cmd_end(&cmd);
- if (ret)
- pr_err("Failed to add probe: %s\n", buf);
-
return ret;
}
#else
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 5f6834a2bf41..fcab11cc6833 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -3320,6 +3320,9 @@ static void __destroy_hist_field(struct hist_field *hist_field)
kfree(hist_field->name);
kfree(hist_field->type);
+ kfree(hist_field->system);
+ kfree(hist_field->event_name);
+
kfree(hist_field);
}
@@ -4382,6 +4385,7 @@ static struct hist_field *create_var(struct hist_trigger_data *hist_data,
goto out;
}
+ var->ref = 1;
var->flags = HIST_FIELD_FL_VAR;
var->var.idx = idx;
var->var.hist_data = var->hist_data = hist_data;
@@ -5011,6 +5015,9 @@ static void destroy_field_vars(struct hist_trigger_data *hist_data)
for (i = 0; i < hist_data->n_field_vars; i++)
destroy_field_var(hist_data->field_vars[i]);
+
+ for (i = 0; i < hist_data->n_save_vars; i++)
+ destroy_field_var(hist_data->save_vars[i]);
}
static void save_field_var(struct hist_trigger_data *hist_data,
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index d0568af4a0ef..35989383ae11 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -453,7 +453,7 @@ static bool __within_notrace_func(unsigned long addr)
static bool within_notrace_func(struct trace_kprobe *tk)
{
- unsigned long addr = addr = trace_kprobe_address(tk);
+ unsigned long addr = trace_kprobe_address(tk);
char symname[KSYM_NAME_LEN], *p;
if (!__within_notrace_func(addr))
@@ -940,6 +940,9 @@ EXPORT_SYMBOL_GPL(kprobe_event_cmd_init);
* complete command or only the first part of it; in the latter case,
* kprobe_event_add_fields() can be used to add more fields following this.
*
+ * Unlikely the synth_event_gen_cmd_start(), @loc must be specified. This
+ * returns -EINVAL if @loc == NULL.
+ *
* Return: 0 if successful, error otherwise.
*/
int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, bool kretprobe,
@@ -953,6 +956,9 @@ int __kprobe_event_gen_cmd_start(struct dynevent_cmd *cmd, bool kretprobe,
if (cmd->type != DYNEVENT_TYPE_KPROBE)
return -EINVAL;
+ if (!loc)
+ return -EINVAL;
+
if (kretprobe)
snprintf(buf, MAX_EVENT_NAME_LEN, "r:kprobes/%s", name);
else
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index 4d8e99fdbbbe..fb0691b8a88d 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -19,6 +19,24 @@
/* Per-cpu variable to prevent redundant calls when IRQs already off */
static DEFINE_PER_CPU(int, tracing_irq_cpu);
+/*
+ * Like trace_hardirqs_on() but without the lockdep invocation. This is
+ * used in the low level entry code where the ordering vs. RCU is important
+ * and lockdep uses a staged approach which splits the lockdep hardirq
+ * tracking into a RCU on and a RCU off section.
+ */
+void trace_hardirqs_on_prepare(void)
+{
+ if (this_cpu_read(tracing_irq_cpu)) {
+ if (!in_nmi())
+ trace_irq_enable(CALLER_ADDR0, CALLER_ADDR1);
+ tracer_hardirqs_on(CALLER_ADDR0, CALLER_ADDR1);
+ this_cpu_write(tracing_irq_cpu, 0);
+ }
+}
+EXPORT_SYMBOL(trace_hardirqs_on_prepare);
+NOKPROBE_SYMBOL(trace_hardirqs_on_prepare);
+
void trace_hardirqs_on(void)
{
if (this_cpu_read(tracing_irq_cpu)) {
@@ -28,11 +46,31 @@ void trace_hardirqs_on(void)
this_cpu_write(tracing_irq_cpu, 0);
}
+ lockdep_hardirqs_on_prepare(CALLER_ADDR0);
lockdep_hardirqs_on(CALLER_ADDR0);
}
EXPORT_SYMBOL(trace_hardirqs_on);
NOKPROBE_SYMBOL(trace_hardirqs_on);
+/*
+ * Like trace_hardirqs_off() but without the lockdep invocation. This is
+ * used in the low level entry code where the ordering vs. RCU is important
+ * and lockdep uses a staged approach which splits the lockdep hardirq
+ * tracking into a RCU on and a RCU off section.
+ */
+void trace_hardirqs_off_prepare(void)
+{
+ if (!this_cpu_read(tracing_irq_cpu)) {
+ this_cpu_write(tracing_irq_cpu, 1);
+ tracer_hardirqs_off(CALLER_ADDR0, CALLER_ADDR1);
+ if (!in_nmi())
+ trace_irq_disable(CALLER_ADDR0, CALLER_ADDR1);
+ }
+
+}
+EXPORT_SYMBOL(trace_hardirqs_off_prepare);
+NOKPROBE_SYMBOL(trace_hardirqs_off_prepare);
+
void trace_hardirqs_off(void)
{
if (!this_cpu_read(tracing_irq_cpu)) {
@@ -56,6 +94,7 @@ __visible void trace_hardirqs_on_caller(unsigned long caller_addr)
this_cpu_write(tracing_irq_cpu, 0);
}
+ lockdep_hardirqs_on_prepare(CALLER_ADDR0);
lockdep_hardirqs_on(CALLER_ADDR0);
}
EXPORT_SYMBOL(trace_hardirqs_on_caller);
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index 9e31bfc818ff..74738c9856f1 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -283,7 +283,7 @@ int tracing_map_add_key_field(struct tracing_map *map,
return idx;
}
-void tracing_map_array_clear(struct tracing_map_array *a)
+static void tracing_map_array_clear(struct tracing_map_array *a)
{
unsigned int i;
@@ -294,7 +294,7 @@ void tracing_map_array_clear(struct tracing_map_array *a)
memset(a->pages[i], 0, PAGE_SIZE);
}
-void tracing_map_array_free(struct tracing_map_array *a)
+static void tracing_map_array_free(struct tracing_map_array *a)
{
unsigned int i;
@@ -316,7 +316,7 @@ void tracing_map_array_free(struct tracing_map_array *a)
kfree(a);
}
-struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts,
+static struct tracing_map_array *tracing_map_array_alloc(unsigned int n_elts,
unsigned int entry_size)
{
struct tracing_map_array *a;
diff --git a/kernel/umh.c b/kernel/umh.c
index 7f255b5a8845..79f139a7ca03 100644
--- a/kernel/umh.c
+++ b/kernel/umh.c
@@ -475,6 +475,12 @@ static void umh_clean_and_save_pid(struct subprocess_info *info)
{
struct umh_info *umh_info = info->data;
+ /* cleanup if umh_pipe_setup() was successful but exec failed */
+ if (info->pid && info->retval) {
+ fput(umh_info->pipe_to_umh);
+ fput(umh_info->pipe_from_umh);
+ }
+
argv_free(info->argv);
umh_info->pid = info->pid;
}
@@ -544,6 +550,11 @@ EXPORT_SYMBOL_GPL(fork_usermode_blob);
* Runs a user-space application. The application is started
* asynchronously if wait is not set, and runs as a child of system workqueues.
* (ie. it runs with full root capabilities and optimized affinity).
+ *
+ * Note: successful return value does not guarantee the helper was called at
+ * all. You can't rely on sub_info->{init,cleanup} being called even for
+ * UMH_WAIT_* wait modes as STATIC_USERMODEHELPER_PATH="" turns all helpers
+ * into a successful no-op.
*/
int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
{
@@ -630,7 +641,7 @@ int call_usermodehelper(const char *path, char **argv, char **envp, int wait)
EXPORT_SYMBOL(call_usermodehelper);
static int proc_cap_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
unsigned long cap_array[_KERNEL_CAPABILITY_U32S];
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 8eadadc478f9..87804e0371fe 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -1253,7 +1253,7 @@ static void userns_put(struct ns_common *ns)
put_user_ns(to_user_ns(ns));
}
-static int userns_install(struct nsproxy *nsproxy, struct ns_common *ns)
+static int userns_install(struct nsset *nsset, struct ns_common *ns)
{
struct user_namespace *user_ns = to_user_ns(ns);
struct cred *cred;
@@ -1274,14 +1274,14 @@ static int userns_install(struct nsproxy *nsproxy, struct ns_common *ns)
if (!ns_capable(user_ns, CAP_SYS_ADMIN))
return -EPERM;
- cred = prepare_creds();
+ cred = nsset_cred(nsset);
if (!cred)
- return -ENOMEM;
+ return -EINVAL;
put_user_ns(cred->user_ns);
set_cred_user_ns(cred, get_user_ns(user_ns));
- return commit_creds(cred);
+ return 0;
}
struct ns_common *ns_get_owner(struct ns_common *ns)
diff --git a/kernel/utsname.c b/kernel/utsname.c
index f0e491193009..e488d0e2ab45 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -140,12 +140,13 @@ static void utsns_put(struct ns_common *ns)
put_uts_ns(to_uts_ns(ns));
}
-static int utsns_install(struct nsproxy *nsproxy, struct ns_common *new)
+static int utsns_install(struct nsset *nsset, struct ns_common *new)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct uts_namespace *ns = to_uts_ns(new);
if (!ns_capable(ns->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
return -EPERM;
get_uts_ns(ns);
diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c
index 3732c888a949..4ca61d49885b 100644
--- a/kernel/utsname_sysctl.c
+++ b/kernel/utsname_sysctl.c
@@ -30,7 +30,7 @@ static void *get_uts(struct ctl_table *table)
* to observe. Should this be in kernel/sys.c ????
*/
static int proc_do_uts_string(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table uts_table;
int r;
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index b6b1f54a7837..53ff2c81b084 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -661,7 +661,7 @@ static void proc_watchdog_update(void)
* proc_soft_watchdog | soft_watchdog_user_enabled | SOFT_WATCHDOG_ENABLED
*/
static int proc_watchdog_common(int which, struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int err, old, *param = table->data;
@@ -688,7 +688,7 @@ static int proc_watchdog_common(int which, struct ctl_table *table, int write,
* /proc/sys/kernel/watchdog
*/
int proc_watchdog(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
return proc_watchdog_common(NMI_WATCHDOG_ENABLED|SOFT_WATCHDOG_ENABLED,
table, write, buffer, lenp, ppos);
@@ -698,7 +698,7 @@ int proc_watchdog(struct ctl_table *table, int write,
* /proc/sys/kernel/nmi_watchdog
*/
int proc_nmi_watchdog(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (!nmi_watchdog_available && write)
return -ENOTSUPP;
@@ -710,7 +710,7 @@ int proc_nmi_watchdog(struct ctl_table *table, int write,
* /proc/sys/kernel/soft_watchdog
*/
int proc_soft_watchdog(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
return proc_watchdog_common(SOFT_WATCHDOG_ENABLED,
table, write, buffer, lenp, ppos);
@@ -720,7 +720,7 @@ int proc_soft_watchdog(struct ctl_table *table, int write,
* /proc/sys/kernel/watchdog_thresh
*/
int proc_watchdog_thresh(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int err, old;
@@ -743,7 +743,7 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
* been brought online, if desired.
*/
int proc_watchdog_cpumask(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int err;
diff --git a/lib/Kconfig b/lib/Kconfig
index 5d53f9609c25..df3f3da95990 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -19,6 +19,9 @@ config RAID6_PQ_BENCHMARK
Benchmark all available RAID6 PQ functions on init and choose the
fastest one.
+config LINEAR_RANGES
+ tristate
+
config PACKING
bool "Generic bitfield packing and unpacking"
default n
@@ -80,6 +83,9 @@ config ARCH_USE_CMPXCHG_LOCKREF
config ARCH_HAS_FAST_MULTIPLIER
bool
+config ARCH_USE_SYM_ANNOTATIONS
+ bool
+
config INDIRECT_PIO
bool "Access I/O in non-MMIO mode"
depends on ARM64
@@ -427,7 +433,7 @@ config INTERVAL_TREE
See:
- Documentation/rbtree.txt
+ Documentation/core-api/rbtree.rst
for more information.
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 21d9c5f6e7ec..0217ed126f77 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -369,6 +369,11 @@ config STACK_VALIDATION
For more information, see
tools/objtool/Documentation/stack-validation.txt.
+config VMLINUX_VALIDATION
+ bool
+ depends on STACK_VALIDATION && DEBUG_ENTRY && !PARAVIRT
+ default y
+
config DEBUG_FORCE_WEAK_PER_CPU
bool "Force weak per-cpu definitions"
depends on DEBUG_KERNEL
@@ -1510,7 +1515,7 @@ config PROVIDE_OHCI1394_DMA_INIT
This code (~1k) is freed after boot. By then, the firewire stack
in charge of the OHCI-1394 controllers should be used instead.
- See Documentation/debugging-via-ohci1394.txt for more information.
+ See Documentation/core-api/debugging-via-ohci1394.rst for more information.
source "samples/Kconfig"
@@ -2092,6 +2097,18 @@ config LIST_KUNIT_TEST
If unsure, say N.
+config LINEAR_RANGES_TEST
+ tristate "KUnit test for linear_ranges"
+ depends on KUNIT
+ select LINEAR_RANGES
+ help
+ This builds the linear_ranges unit test, which runs on boot.
+ Tests the linear_ranges logic correctness.
+ For more information on KUnit and unit tests in general please refer
+ to the KUnit documentation in Documentation/dev-tools/kunit/.
+
+ If unsure, say N.
+
config TEST_UDELAY
tristate "udelay test driver"
help
@@ -2201,6 +2218,19 @@ config TEST_MEMINIT
If unsure, say N.
+config TEST_HMM
+ tristate "Test HMM (Heterogeneous Memory Management)"
+ depends on TRANSPARENT_HUGEPAGE
+ depends on DEVICE_PRIVATE
+ select HMM_MIRROR
+ select MMU_NOTIFIER
+ help
+ This is a pseudo device driver solely for testing HMM.
+ Say M here if you want to build the HMM test module.
+ Doing so will allow you to run tools/testing/selftest/vm/hmm-tests.
+
+ If unsure, say N.
+
endif # RUNTIME_TESTING_MENU
config MEMTEST
diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index 933680b59e2d..ffa7a76de086 100644
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -124,4 +124,22 @@ config KDB_CONTINUE_CATASTROPHIC
CONFIG_KDB_CONTINUE_CATASTROPHIC == 2. KDB forces a reboot.
If you are not sure, say 0.
+config ARCH_HAS_EARLY_DEBUG
+ bool
+ default n
+ help
+ If an architecture can definitely handle entering the debugger
+ when early_param's are parsed then it select this config.
+ Otherwise, if "kgdbwait" is passed on the kernel command line it
+ won't actually be processed until dbg_late_init() just after the
+ call to kgdb_arch_late() is made.
+
+ NOTE: Even if this isn't selected by an architecture we will
+ still try to register kgdb to handle breakpoints and crashes
+ when early_param's are parsed, we just won't act on the
+ "kgdbwait" parameter until dbg_late_init(). If you get a
+ crash and try to drop into kgdb somewhere between these two
+ places you might or might not end up being able to use kgdb
+ depending on exactly how far along the architecture has initted.
+
endif # KGDB
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
index 48469c95d78e..27bcc2568c95 100644
--- a/lib/Kconfig.ubsan
+++ b/lib/Kconfig.ubsan
@@ -60,18 +60,15 @@ config UBSAN_SANITIZE_ALL
Enabling this option will get kernel image size increased
significantly.
-config UBSAN_NO_ALIGNMENT
- bool "Disable checking of pointers alignment"
- default y if HAVE_EFFICIENT_UNALIGNED_ACCESS
+config UBSAN_ALIGNMENT
+ bool "Enable checks for pointers alignment"
+ default !HAVE_EFFICIENT_UNALIGNED_ACCESS
+ depends on !UBSAN_TRAP
help
- This option disables the check of unaligned memory accesses.
- This option should be used when building allmodconfig.
- Disabling this option on architectures that support unaligned
+ This option enables the check of unaligned memory accesses.
+ Enabling this option on architectures that support unaligned
accesses may produce a lot of false positives.
-config UBSAN_ALIGNMENT
- def_bool !UBSAN_NO_ALIGNMENT
-
config TEST_UBSAN
tristate "Module for testing for undefined behavior detection"
depends on m
diff --git a/lib/Makefile b/lib/Makefile
index 685aee60de1d..5adf8949a757 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -92,6 +92,7 @@ obj-$(CONFIG_TEST_STACKINIT) += test_stackinit.o
obj-$(CONFIG_TEST_BLACKHOLE_DEV) += test_blackhole_dev.o
obj-$(CONFIG_TEST_MEMINIT) += test_meminit.o
obj-$(CONFIG_TEST_LOCKUP) += test_lockup.o
+obj-$(CONFIG_TEST_HMM) += test_hmm.o
obj-$(CONFIG_TEST_LIVEPATCH) += livepatch/
@@ -125,6 +126,7 @@ obj-$(CONFIG_DEBUG_LIST) += list_debug.o
obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
obj-$(CONFIG_BITREVERSE) += bitrev.o
+obj-$(CONFIG_LINEAR_RANGES) += linear_ranges.o
obj-$(CONFIG_PACKING) += packing.o
obj-$(CONFIG_CRC_CCITT) += crc-ccitt.o
obj-$(CONFIG_CRC16) += crc16.o
@@ -309,3 +311,4 @@ obj-$(CONFIG_OBJAGG) += objagg.o
# KUnit tests
obj-$(CONFIG_LIST_KUNIT_TEST) += list-test.o
+obj-$(CONFIG_LINEAR_RANGES_TEST) += test_linear_ranges.o
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 89260aa342d6..21a7640c5eed 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -182,21 +182,22 @@ EXPORT_SYMBOL(__bitmap_shift_left);
*
* In pictures, example for a big-endian 32-bit architecture:
*
- * @src:
- * 31 63
- * | |
- * 10000000 11000001 11110010 00010101 10000000 11000001 01110010 00010101
- * | | | |
- * 16 14 0 32
- *
- * if @cut is 3, and @first is 14, bits 14-16 in @src are cut and @dst is:
- *
- * 31 63
- * | |
- * 10110000 00011000 00110010 00010101 00010000 00011000 00101110 01000010
- * | | |
- * 14 (bit 17 0 32
- * from @src)
+ * The @src bitmap is::
+ *
+ * 31 63
+ * | |
+ * 10000000 11000001 11110010 00010101 10000000 11000001 01110010 00010101
+ * | | | |
+ * 16 14 0 32
+ *
+ * if @cut is 3, and @first is 14, bits 14-16 in @src are cut and @dst is::
+ *
+ * 31 63
+ * | |
+ * 10110000 00011000 00110010 00010101 00010000 00011000 00101110 01000010
+ * | | |
+ * 14 (bit 17 0 32
+ * from @src)
*
* Note that @dst and @src might overlap partially or entirely.
*
diff --git a/lib/checksum.c b/lib/checksum.c
index de032ad96f4a..7ac65a0000ff 100644
--- a/lib/checksum.c
+++ b/lib/checksum.c
@@ -146,26 +146,6 @@ __sum16 ip_compute_csum(const void *buff, int len)
EXPORT_SYMBOL(ip_compute_csum);
/*
- * copy from fs while checksumming, otherwise like csum_partial
- */
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
- __wsum sum, int *csum_err)
-{
- int missing;
-
- missing = __copy_from_user(dst, src, len);
- if (missing) {
- memset(dst + len - missing, 0, missing);
- *csum_err = -EFAULT;
- } else
- *csum_err = 0;
-
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
-/*
* copy from ds while checksumming, otherwise like csum_partial
*/
__wsum
diff --git a/lib/crypto/chacha.c b/lib/crypto/chacha.c
index 65ead6b0c7e0..4ccbec442469 100644
--- a/lib/crypto/chacha.c
+++ b/lib/crypto/chacha.c
@@ -10,7 +10,6 @@
#include <linux/export.h>
#include <linux/bitops.h>
#include <linux/string.h>
-#include <linux/cryptohash.h>
#include <asm/unaligned.h>
#include <crypto/chacha.h>
diff --git a/lib/crypto/sha256.c b/lib/crypto/sha256.c
index 66cb04b0cf4e..2e621697c5c3 100644
--- a/lib/crypto/sha256.c
+++ b/lib/crypto/sha256.c
@@ -206,7 +206,7 @@ static void sha256_transform(u32 *state, const u8 *input)
memzero_explicit(W, 64 * sizeof(u32));
}
-int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
+void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
{
unsigned int partial, done;
const u8 *src;
@@ -232,18 +232,16 @@ int sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
partial = 0;
}
memcpy(sctx->buf + partial, src, len - done);
-
- return 0;
}
EXPORT_SYMBOL(sha256_update);
-int sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
+void sha224_update(struct sha256_state *sctx, const u8 *data, unsigned int len)
{
- return sha256_update(sctx, data, len);
+ sha256_update(sctx, data, len);
}
EXPORT_SYMBOL(sha224_update);
-static int __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words)
+static void __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words)
{
__be32 *dst = (__be32 *)out;
__be64 bits;
@@ -268,19 +266,17 @@ static int __sha256_final(struct sha256_state *sctx, u8 *out, int digest_words)
/* Zeroize sensitive information. */
memset(sctx, 0, sizeof(*sctx));
-
- return 0;
}
-int sha256_final(struct sha256_state *sctx, u8 *out)
+void sha256_final(struct sha256_state *sctx, u8 *out)
{
- return __sha256_final(sctx, out, 8);
+ __sha256_final(sctx, out, 8);
}
EXPORT_SYMBOL(sha256_final);
-int sha224_final(struct sha256_state *sctx, u8 *out)
+void sha224_final(struct sha256_state *sctx, u8 *out)
{
- return __sha256_final(sctx, out, 7);
+ __sha256_final(sctx, out, 7);
}
EXPORT_SYMBOL(sha224_final);
diff --git a/lib/debug_locks.c b/lib/debug_locks.c
index a75ee30b77cb..06d3135bd184 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -36,7 +36,7 @@ EXPORT_SYMBOL_GPL(debug_locks_silent);
/*
* Generic 'turn off all lock debugging' function:
*/
-int debug_locks_off(void)
+noinstr int debug_locks_off(void)
{
if (debug_locks && __debug_locks_off()) {
if (!debug_locks_silent) {
diff --git a/lib/ioremap.c b/lib/ioremap.c
index 3f0e18543de8..ad485f08173b 100644
--- a/lib/ioremap.c
+++ b/lib/ioremap.c
@@ -61,13 +61,14 @@ static inline int ioremap_pmd_enabled(void) { return 0; }
#endif /* CONFIG_HAVE_ARCH_HUGE_VMAP */
static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pte_t *pte;
u64 pfn;
pfn = phys_addr >> PAGE_SHIFT;
- pte = pte_alloc_kernel(pmd, addr);
+ pte = pte_alloc_kernel_track(pmd, addr, mask);
if (!pte)
return -ENOMEM;
do {
@@ -75,6 +76,7 @@ static int ioremap_pte_range(pmd_t *pmd, unsigned long addr,
set_pte_at(&init_mm, addr, pte, pfn_pte(pfn, prot));
pfn++;
} while (pte++, addr += PAGE_SIZE, addr != end);
+ *mask |= PGTBL_PTE_MODIFIED;
return 0;
}
@@ -101,21 +103,24 @@ static int ioremap_try_huge_pmd(pmd_t *pmd, unsigned long addr,
}
static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pmd_t *pmd;
unsigned long next;
- pmd = pmd_alloc(&init_mm, pud, addr);
+ pmd = pmd_alloc_track(&init_mm, pud, addr, mask);
if (!pmd)
return -ENOMEM;
do {
next = pmd_addr_end(addr, end);
- if (ioremap_try_huge_pmd(pmd, addr, next, phys_addr, prot))
+ if (ioremap_try_huge_pmd(pmd, addr, next, phys_addr, prot)) {
+ *mask |= PGTBL_PMD_MODIFIED;
continue;
+ }
- if (ioremap_pte_range(pmd, addr, next, phys_addr, prot))
+ if (ioremap_pte_range(pmd, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pmd++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
@@ -144,21 +149,24 @@ static int ioremap_try_huge_pud(pud_t *pud, unsigned long addr,
}
static inline int ioremap_pud_range(p4d_t *p4d, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
pud_t *pud;
unsigned long next;
- pud = pud_alloc(&init_mm, p4d, addr);
+ pud = pud_alloc_track(&init_mm, p4d, addr, mask);
if (!pud)
return -ENOMEM;
do {
next = pud_addr_end(addr, end);
- if (ioremap_try_huge_pud(pud, addr, next, phys_addr, prot))
+ if (ioremap_try_huge_pud(pud, addr, next, phys_addr, prot)) {
+ *mask |= PGTBL_PUD_MODIFIED;
continue;
+ }
- if (ioremap_pmd_range(pud, addr, next, phys_addr, prot))
+ if (ioremap_pmd_range(pud, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (pud++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
@@ -187,21 +195,24 @@ static int ioremap_try_huge_p4d(p4d_t *p4d, unsigned long addr,
}
static inline int ioremap_p4d_range(pgd_t *pgd, unsigned long addr,
- unsigned long end, phys_addr_t phys_addr, pgprot_t prot)
+ unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
+ pgtbl_mod_mask *mask)
{
p4d_t *p4d;
unsigned long next;
- p4d = p4d_alloc(&init_mm, pgd, addr);
+ p4d = p4d_alloc_track(&init_mm, pgd, addr, mask);
if (!p4d)
return -ENOMEM;
do {
next = p4d_addr_end(addr, end);
- if (ioremap_try_huge_p4d(p4d, addr, next, phys_addr, prot))
+ if (ioremap_try_huge_p4d(p4d, addr, next, phys_addr, prot)) {
+ *mask |= PGTBL_P4D_MODIFIED;
continue;
+ }
- if (ioremap_pud_range(p4d, addr, next, phys_addr, prot))
+ if (ioremap_pud_range(p4d, addr, next, phys_addr, prot, mask))
return -ENOMEM;
} while (p4d++, phys_addr += (next - addr), addr = next, addr != end);
return 0;
@@ -214,6 +225,7 @@ int ioremap_page_range(unsigned long addr,
unsigned long start;
unsigned long next;
int err;
+ pgtbl_mod_mask mask = 0;
might_sleep();
BUG_ON(addr >= end);
@@ -222,13 +234,17 @@ int ioremap_page_range(unsigned long addr,
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = ioremap_p4d_range(pgd, addr, next, phys_addr, prot);
+ err = ioremap_p4d_range(pgd, addr, next, phys_addr, prot,
+ &mask);
if (err)
break;
} while (pgd++, phys_addr += (next - addr), addr = next, addr != end);
flush_cache_vmap(start, end);
+ if (mask & ARCH_PAGE_TABLE_SYNC_MASK)
+ arch_sync_kernel_mappings(start, end);
+
return err;
}
diff --git a/lib/kobject.c b/lib/kobject.c
index 83198cb37d8d..65fa7bf70c57 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -6,7 +6,7 @@
* Copyright (c) 2006-2007 Greg Kroah-Hartman <greg@kroah.com>
* Copyright (c) 2006-2007 Novell Inc.
*
- * Please see the file Documentation/kobject.txt for critical information
+ * Please see the file Documentation/core-api/kobject.rst for critical information
* about using the kobject interface.
*/
@@ -670,7 +670,7 @@ static void kobject_cleanup(struct kobject *kobj)
kobject_name(kobj), kobj, __func__, kobj->parent);
if (t && !t->release)
- pr_debug("kobject: '%s' (%p): does not have a release() function, it is broken and must be fixed. See Documentation/kobject.txt.\n",
+ pr_debug("kobject: '%s' (%p): does not have a release() function, it is broken and must be fixed. See Documentation/core-api/kobject.rst.\n",
kobject_name(kobj), kobj);
/* send "remove" if the caller did not do it but sent "add" */
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index 7a6430a7fca0..ccb2ffad8dcf 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -93,7 +93,7 @@ static void kunit_print_ok_not_ok(void *test_or_suite,
* representation.
*/
if (suite)
- pr_info("%s %zd - %s",
+ pr_info("%s %zd - %s\n",
kunit_status_to_string(is_ok),
test_number, description);
else
diff --git a/lib/linear_ranges.c b/lib/linear_ranges.c
new file mode 100644
index 000000000000..9495ef3572b7
--- /dev/null
+++ b/lib/linear_ranges.c
@@ -0,0 +1,245 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * helpers to map values in a linear range to range index
+ *
+ * Original idea borrowed from regulator framework
+ *
+ * It might be useful if we could support also inversely proportional ranges?
+ * Copyright 2020 ROHM Semiconductors
+ */
+
+#include <linux/errno.h>
+#include <linux/export.h>
+#include <linux/kernel.h>
+#include <linux/linear_range.h>
+#include <linux/module.h>
+
+/**
+ * linear_range_values_in_range - return the amount of values in a range
+ * @r: pointer to linear range where values are counted
+ *
+ * Compute the amount of values in range pointed by @r. Note, values can
+ * be all equal - range with selectors 0,...,2 with step 0 still contains
+ * 3 values even though they are all equal.
+ *
+ * Return: the amount of values in range pointed by @r
+ */
+unsigned int linear_range_values_in_range(const struct linear_range *r)
+{
+ if (!r)
+ return 0;
+ return r->max_sel - r->min_sel + 1;
+}
+EXPORT_SYMBOL_GPL(linear_range_values_in_range);
+
+/**
+ * linear_range_values_in_range_array - return the amount of values in ranges
+ * @r: pointer to array of linear ranges where values are counted
+ * @ranges: amount of ranges we include in computation.
+ *
+ * Compute the amount of values in ranges pointed by @r. Note, values can
+ * be all equal - range with selectors 0,...,2 with step 0 still contains
+ * 3 values even though they are all equal.
+ *
+ * Return: the amount of values in first @ranges ranges pointed by @r
+ */
+unsigned int linear_range_values_in_range_array(const struct linear_range *r,
+ int ranges)
+{
+ int i, values_in_range = 0;
+
+ for (i = 0; i < ranges; i++) {
+ int values;
+
+ values = linear_range_values_in_range(&r[i]);
+ if (!values)
+ return values;
+
+ values_in_range += values;
+ }
+ return values_in_range;
+}
+EXPORT_SYMBOL_GPL(linear_range_values_in_range_array);
+
+/**
+ * linear_range_get_max_value - return the largest value in a range
+ * @r: pointer to linear range where value is looked from
+ *
+ * Return: the largest value in the given range
+ */
+unsigned int linear_range_get_max_value(const struct linear_range *r)
+{
+ return r->min + (r->max_sel - r->min_sel) * r->step;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_max_value);
+
+/**
+ * linear_range_get_value - fetch a value from given range
+ * @r: pointer to linear range where value is looked from
+ * @selector: selector for which the value is searched
+ * @val: address where found value is updated
+ *
+ * Search given ranges for value which matches given selector.
+ *
+ * Return: 0 on success, -EINVAL given selector is not found from any of the
+ * ranges.
+ */
+int linear_range_get_value(const struct linear_range *r, unsigned int selector,
+ unsigned int *val)
+{
+ if (r->min_sel > selector || r->max_sel < selector)
+ return -EINVAL;
+
+ *val = r->min + (selector - r->min_sel) * r->step;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_value);
+
+/**
+ * linear_range_get_value_array - fetch a value from array of ranges
+ * @r: pointer to array of linear ranges where value is looked from
+ * @ranges: amount of ranges in an array
+ * @selector: selector for which the value is searched
+ * @val: address where found value is updated
+ *
+ * Search through an array of ranges for value which matches given selector.
+ *
+ * Return: 0 on success, -EINVAL given selector is not found from any of the
+ * ranges.
+ */
+int linear_range_get_value_array(const struct linear_range *r, int ranges,
+ unsigned int selector, unsigned int *val)
+{
+ int i;
+
+ for (i = 0; i < ranges; i++)
+ if (r[i].min_sel <= selector && r[i].max_sel >= selector)
+ return linear_range_get_value(&r[i], selector, val);
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_value_array);
+
+/**
+ * linear_range_get_selector_low - return linear range selector for value
+ * @r: pointer to linear range where selector is looked from
+ * @val: value for which the selector is searched
+ * @selector: address where found selector value is updated
+ * @found: flag to indicate that given value was in the range
+ *
+ * Return selector which which range value is closest match for given
+ * input value. Value is matching if it is equal or smaller than given
+ * value. If given value is in the range, then @found is set true.
+ *
+ * Return: 0 on success, -EINVAL if range is invalid or does not contain
+ * value smaller or equal to given value
+ */
+int linear_range_get_selector_low(const struct linear_range *r,
+ unsigned int val, unsigned int *selector,
+ bool *found)
+{
+ *found = false;
+
+ if (r->min > val)
+ return -EINVAL;
+
+ if (linear_range_get_max_value(r) < val) {
+ *selector = r->max_sel;
+ return 0;
+ }
+
+ *found = true;
+
+ if (r->step == 0)
+ *selector = r->min_sel;
+ else
+ *selector = (val - r->min) / r->step + r->min_sel;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_selector_low);
+
+/**
+ * linear_range_get_selector_low_array - return linear range selector for value
+ * @r: pointer to array of linear ranges where selector is looked from
+ * @ranges: amount of ranges to scan from array
+ * @val: value for which the selector is searched
+ * @selector: address where found selector value is updated
+ * @found: flag to indicate that given value was in the range
+ *
+ * Scan array of ranges for selector which which range value matches given
+ * input value. Value is matching if it is equal or smaller than given
+ * value. If given value is found to be in a range scanning is stopped and
+ * @found is set true. If a range with values smaller than given value is found
+ * but the range max is being smaller than given value, then the ranges
+ * biggest selector is updated to @selector but scanning ranges is continued
+ * and @found is set to false.
+ *
+ * Return: 0 on success, -EINVAL if range array is invalid or does not contain
+ * range with a value smaller or equal to given value
+ */
+int linear_range_get_selector_low_array(const struct linear_range *r,
+ int ranges, unsigned int val,
+ unsigned int *selector, bool *found)
+{
+ int i;
+ int ret = -EINVAL;
+
+ for (i = 0; i < ranges; i++) {
+ int tmpret;
+
+ tmpret = linear_range_get_selector_low(&r[i], val, selector,
+ found);
+ if (!tmpret)
+ ret = 0;
+
+ if (*found)
+ break;
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_selector_low_array);
+
+/**
+ * linear_range_get_selector_high - return linear range selector for value
+ * @r: pointer to linear range where selector is looked from
+ * @val: value for which the selector is searched
+ * @selector: address where found selector value is updated
+ * @found: flag to indicate that given value was in the range
+ *
+ * Return selector which which range value is closest match for given
+ * input value. Value is matching if it is equal or higher than given
+ * value. If given value is in the range, then @found is set true.
+ *
+ * Return: 0 on success, -EINVAL if range is invalid or does not contain
+ * value greater or equal to given value
+ */
+int linear_range_get_selector_high(const struct linear_range *r,
+ unsigned int val, unsigned int *selector,
+ bool *found)
+{
+ *found = false;
+
+ if (linear_range_get_max_value(r) < val)
+ return -EINVAL;
+
+ if (r->min > val) {
+ *selector = r->min_sel;
+ return 0;
+ }
+
+ *found = true;
+
+ if (r->step == 0)
+ *selector = r->max_sel;
+ else
+ *selector = DIV_ROUND_UP(val - r->min, r->step) + r->min_sel;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(linear_range_get_selector_high);
+
+MODULE_DESCRIPTION("linear-ranges helper");
+MODULE_LICENSE("GPL");
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 2dceaca27489..afbd99987cf8 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -653,7 +653,7 @@ do { \
************** MIPS/64 **************
***************************************/
#if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if defined(__mips_isa_rev) && __mips_isa_rev >= 6
+#if defined(__mips_isa_rev) && __mips_isa_rev >= 6 && defined(CONFIG_CC_IS_GCC)
/*
* GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C
* code below, so we special case MIPS64r6 until the compiler can do better.
@@ -722,22 +722,22 @@ do { \
do { \
if (__builtin_constant_p(bh) && (bh) == 0) \
__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "%r" ((USItype)(ah)), \
"%r" ((USItype)(al)), \
"rI" ((USItype)(bl))); \
else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
__asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "%r" ((USItype)(ah)), \
"%r" ((USItype)(al)), \
"rI" ((USItype)(bl))); \
else \
__asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "%r" ((USItype)(ah)), \
"r" ((USItype)(bh)), \
"%r" ((USItype)(al)), \
@@ -747,36 +747,36 @@ do { \
do { \
if (__builtin_constant_p(ah) && (ah) == 0) \
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "r" ((USItype)(bh)), \
"rI" ((USItype)(al)), \
"r" ((USItype)(bl))); \
else if (__builtin_constant_p(ah) && (ah) == ~(USItype) 0) \
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "r" ((USItype)(bh)), \
"rI" ((USItype)(al)), \
"r" ((USItype)(bl))); \
else if (__builtin_constant_p(bh) && (bh) == 0) \
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "r" ((USItype)(ah)), \
"rI" ((USItype)(al)), \
"r" ((USItype)(bl))); \
else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \
__asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "r" ((USItype)(ah)), \
"rI" ((USItype)(al)), \
"r" ((USItype)(bl))); \
else \
__asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \
- : "=r" ((USItype)(sh)), \
- "=&r" ((USItype)(sl)) \
+ : "=r" (sh), \
+ "=&r" (sl) \
: "r" ((USItype)(ah)), \
"r" ((USItype)(bh)), \
"rI" ((USItype)(al)), \
@@ -787,7 +787,7 @@ do { \
do { \
USItype __m0 = (m0), __m1 = (m1); \
__asm__ ("mulhwu %0,%1,%2" \
- : "=r" ((USItype) ph) \
+ : "=r" (ph) \
: "%r" (__m0), \
"r" (__m1)); \
(pl) = __m0 * __m1; \
diff --git a/lib/nlattr.c b/lib/nlattr.c
index cace9b307781..bc5b5cf608c4 100644
--- a/lib/nlattr.c
+++ b/lib/nlattr.c
@@ -44,8 +44,22 @@ static const u8 nla_attr_minlen[NLA_TYPE_MAX+1] = {
[NLA_S64] = sizeof(s64),
};
+/*
+ * Nested policies might refer back to the original
+ * policy in some cases, and userspace could try to
+ * abuse that and recurse by nesting in the right
+ * ways. Limit recursion to avoid this problem.
+ */
+#define MAX_POLICY_RECURSION_DEPTH 10
+
+static int __nla_validate_parse(const struct nlattr *head, int len, int maxtype,
+ const struct nla_policy *policy,
+ unsigned int validate,
+ struct netlink_ext_ack *extack,
+ struct nlattr **tb, unsigned int depth);
+
static int validate_nla_bitfield32(const struct nlattr *nla,
- const u32 *valid_flags_mask)
+ const u32 valid_flags_mask)
{
const struct nla_bitfield32 *bf = nla_data(nla);
@@ -53,11 +67,11 @@ static int validate_nla_bitfield32(const struct nlattr *nla,
return -EINVAL;
/*disallow invalid bit selector */
- if (bf->selector & ~*valid_flags_mask)
+ if (bf->selector & ~valid_flags_mask)
return -EINVAL;
/*disallow invalid bit values */
- if (bf->value & ~*valid_flags_mask)
+ if (bf->value & ~valid_flags_mask)
return -EINVAL;
/*disallow valid bit values that are not selected*/
@@ -70,7 +84,7 @@ static int validate_nla_bitfield32(const struct nlattr *nla,
static int nla_validate_array(const struct nlattr *head, int len, int maxtype,
const struct nla_policy *policy,
struct netlink_ext_ack *extack,
- unsigned int validate)
+ unsigned int validate, unsigned int depth)
{
const struct nlattr *entry;
int rem;
@@ -87,8 +101,9 @@ static int nla_validate_array(const struct nlattr *head, int len, int maxtype,
return -ERANGE;
}
- ret = __nla_validate(nla_data(entry), nla_len(entry),
- maxtype, policy, validate, extack);
+ ret = __nla_validate_parse(nla_data(entry), nla_len(entry),
+ maxtype, policy, validate, extack,
+ NULL, depth + 1);
if (ret < 0)
return ret;
}
@@ -96,17 +111,58 @@ static int nla_validate_array(const struct nlattr *head, int len, int maxtype,
return 0;
}
-static int nla_validate_int_range(const struct nla_policy *pt,
- const struct nlattr *nla,
- struct netlink_ext_ack *extack)
+void nla_get_range_unsigned(const struct nla_policy *pt,
+ struct netlink_range_validation *range)
{
- bool validate_min, validate_max;
- s64 value;
+ WARN_ON_ONCE(pt->validation_type != NLA_VALIDATE_RANGE_PTR &&
+ (pt->min < 0 || pt->max < 0));
- validate_min = pt->validation_type == NLA_VALIDATE_RANGE ||
- pt->validation_type == NLA_VALIDATE_MIN;
- validate_max = pt->validation_type == NLA_VALIDATE_RANGE ||
- pt->validation_type == NLA_VALIDATE_MAX;
+ range->min = 0;
+
+ switch (pt->type) {
+ case NLA_U8:
+ range->max = U8_MAX;
+ break;
+ case NLA_U16:
+ range->max = U16_MAX;
+ break;
+ case NLA_U32:
+ range->max = U32_MAX;
+ break;
+ case NLA_U64:
+ case NLA_MSECS:
+ range->max = U64_MAX;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ switch (pt->validation_type) {
+ case NLA_VALIDATE_RANGE:
+ range->min = pt->min;
+ range->max = pt->max;
+ break;
+ case NLA_VALIDATE_RANGE_PTR:
+ *range = *pt->range;
+ break;
+ case NLA_VALIDATE_MIN:
+ range->min = pt->min;
+ break;
+ case NLA_VALIDATE_MAX:
+ range->max = pt->max;
+ break;
+ default:
+ break;
+ }
+}
+
+static int nla_validate_int_range_unsigned(const struct nla_policy *pt,
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
+{
+ struct netlink_range_validation range;
+ u64 value;
switch (pt->type) {
case NLA_U8:
@@ -118,6 +174,77 @@ static int nla_validate_int_range(const struct nla_policy *pt,
case NLA_U32:
value = nla_get_u32(nla);
break;
+ case NLA_U64:
+ case NLA_MSECS:
+ value = nla_get_u64(nla);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ nla_get_range_unsigned(pt, &range);
+
+ if (value < range.min || value > range.max) {
+ NL_SET_ERR_MSG_ATTR(extack, nla,
+ "integer out of range");
+ return -ERANGE;
+ }
+
+ return 0;
+}
+
+void nla_get_range_signed(const struct nla_policy *pt,
+ struct netlink_range_validation_signed *range)
+{
+ switch (pt->type) {
+ case NLA_S8:
+ range->min = S8_MIN;
+ range->max = S8_MAX;
+ break;
+ case NLA_S16:
+ range->min = S16_MIN;
+ range->max = S16_MAX;
+ break;
+ case NLA_S32:
+ range->min = S32_MIN;
+ range->max = S32_MAX;
+ break;
+ case NLA_S64:
+ range->min = S64_MIN;
+ range->max = S64_MAX;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return;
+ }
+
+ switch (pt->validation_type) {
+ case NLA_VALIDATE_RANGE:
+ range->min = pt->min;
+ range->max = pt->max;
+ break;
+ case NLA_VALIDATE_RANGE_PTR:
+ *range = *pt->range_signed;
+ break;
+ case NLA_VALIDATE_MIN:
+ range->min = pt->min;
+ break;
+ case NLA_VALIDATE_MAX:
+ range->max = pt->max;
+ break;
+ default:
+ break;
+ }
+}
+
+static int nla_validate_int_range_signed(const struct nla_policy *pt,
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
+{
+ struct netlink_range_validation_signed range;
+ s64 value;
+
+ switch (pt->type) {
case NLA_S8:
value = nla_get_s8(nla);
break;
@@ -130,22 +257,13 @@ static int nla_validate_int_range(const struct nla_policy *pt,
case NLA_S64:
value = nla_get_s64(nla);
break;
- case NLA_U64:
- /* treat this one specially, since it may not fit into s64 */
- if ((validate_min && nla_get_u64(nla) < pt->min) ||
- (validate_max && nla_get_u64(nla) > pt->max)) {
- NL_SET_ERR_MSG_ATTR(extack, nla,
- "integer out of range");
- return -ERANGE;
- }
- return 0;
default:
- WARN_ON(1);
return -EINVAL;
}
- if ((validate_min && value < pt->min) ||
- (validate_max && value > pt->max)) {
+ nla_get_range_signed(pt, &range);
+
+ if (value < range.min || value > range.max) {
NL_SET_ERR_MSG_ATTR(extack, nla,
"integer out of range");
return -ERANGE;
@@ -154,9 +272,31 @@ static int nla_validate_int_range(const struct nla_policy *pt,
return 0;
}
+static int nla_validate_int_range(const struct nla_policy *pt,
+ const struct nlattr *nla,
+ struct netlink_ext_ack *extack)
+{
+ switch (pt->type) {
+ case NLA_U8:
+ case NLA_U16:
+ case NLA_U32:
+ case NLA_U64:
+ case NLA_MSECS:
+ return nla_validate_int_range_unsigned(pt, nla, extack);
+ case NLA_S8:
+ case NLA_S16:
+ case NLA_S32:
+ case NLA_S64:
+ return nla_validate_int_range_signed(pt, nla, extack);
+ default:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+}
+
static int validate_nla(const struct nlattr *nla, int maxtype,
const struct nla_policy *policy, unsigned int validate,
- struct netlink_ext_ack *extack)
+ struct netlink_ext_ack *extack, unsigned int depth)
{
u16 strict_start_type = policy[0].strict_start_type;
const struct nla_policy *pt;
@@ -174,7 +314,9 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
BUG_ON(pt->type > NLA_TYPE_MAX);
if ((nla_attr_len[pt->type] && attrlen != nla_attr_len[pt->type]) ||
- (pt->type == NLA_EXACT_LEN_WARN && attrlen != pt->len)) {
+ (pt->type == NLA_EXACT_LEN &&
+ pt->validation_type == NLA_VALIDATE_WARN_TOO_LONG &&
+ attrlen != pt->len)) {
pr_warn_ratelimited("netlink: '%s': attribute type %d has an invalid length.\n",
current->comm, type);
if (validate & NL_VALIDATE_STRICT_ATTRS) {
@@ -200,15 +342,10 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
}
switch (pt->type) {
- case NLA_EXACT_LEN:
- if (attrlen != pt->len)
- goto out_err;
- break;
-
case NLA_REJECT:
- if (extack && pt->validation_data) {
+ if (extack && pt->reject_message) {
NL_SET_BAD_ATTR(extack, nla);
- extack->_msg = pt->validation_data;
+ extack->_msg = pt->reject_message;
return -EINVAL;
}
err = -EINVAL;
@@ -223,7 +360,7 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
if (attrlen != sizeof(struct nla_bitfield32))
goto out_err;
- err = validate_nla_bitfield32(nla, pt->validation_data);
+ err = validate_nla_bitfield32(nla, pt->bitfield32_valid);
if (err)
goto out_err;
break;
@@ -268,10 +405,11 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
break;
if (attrlen < NLA_HDRLEN)
goto out_err;
- if (pt->validation_data) {
- err = __nla_validate(nla_data(nla), nla_len(nla), pt->len,
- pt->validation_data, validate,
- extack);
+ if (pt->nested_policy) {
+ err = __nla_validate_parse(nla_data(nla), nla_len(nla),
+ pt->len, pt->nested_policy,
+ validate, extack, NULL,
+ depth + 1);
if (err < 0) {
/*
* return directly to preserve the inner
@@ -289,12 +427,12 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
break;
if (attrlen < NLA_HDRLEN)
goto out_err;
- if (pt->validation_data) {
+ if (pt->nested_policy) {
int err;
err = nla_validate_array(nla_data(nla), nla_len(nla),
- pt->len, pt->validation_data,
- extack, validate);
+ pt->len, pt->nested_policy,
+ extack, validate, depth);
if (err < 0) {
/*
* return directly to preserve the inner
@@ -317,6 +455,13 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
goto out_err;
break;
+ case NLA_EXACT_LEN:
+ if (pt->validation_type != NLA_VALIDATE_WARN_TOO_LONG) {
+ if (attrlen != pt->len)
+ goto out_err;
+ break;
+ }
+ /* fall through */
default:
if (pt->len)
minlen = pt->len;
@@ -332,6 +477,7 @@ static int validate_nla(const struct nlattr *nla, int maxtype,
case NLA_VALIDATE_NONE:
/* nothing to do */
break;
+ case NLA_VALIDATE_RANGE_PTR:
case NLA_VALIDATE_RANGE:
case NLA_VALIDATE_MIN:
case NLA_VALIDATE_MAX:
@@ -358,11 +504,17 @@ static int __nla_validate_parse(const struct nlattr *head, int len, int maxtype,
const struct nla_policy *policy,
unsigned int validate,
struct netlink_ext_ack *extack,
- struct nlattr **tb)
+ struct nlattr **tb, unsigned int depth)
{
const struct nlattr *nla;
int rem;
+ if (depth >= MAX_POLICY_RECURSION_DEPTH) {
+ NL_SET_ERR_MSG(extack,
+ "allowed policy recursion depth exceeded");
+ return -EINVAL;
+ }
+
if (tb)
memset(tb, 0, sizeof(struct nlattr *) * (maxtype + 1));
@@ -379,7 +531,7 @@ static int __nla_validate_parse(const struct nlattr *head, int len, int maxtype,
}
if (policy) {
int err = validate_nla(nla, maxtype, policy,
- validate, extack);
+ validate, extack, depth);
if (err < 0)
return err;
@@ -421,7 +573,7 @@ int __nla_validate(const struct nlattr *head, int len, int maxtype,
struct netlink_ext_ack *extack)
{
return __nla_validate_parse(head, len, maxtype, policy, validate,
- extack, NULL);
+ extack, NULL, 0);
}
EXPORT_SYMBOL(__nla_validate);
@@ -476,7 +628,7 @@ int __nla_parse(struct nlattr **tb, int maxtype,
struct netlink_ext_ack *extack)
{
return __nla_validate_parse(head, len, maxtype, policy, validate,
- extack, tb);
+ extack, tb, 0);
}
EXPORT_SYMBOL(__nla_parse);
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 2ee6ae3b0ade..34e406fe561f 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/kmemleak.h>
#include <linux/percpu.h>
+#include <linux/local_lock.h>
#include <linux/preempt.h> /* in_interrupt() */
#include <linux/radix-tree.h>
#include <linux/rcupdate.h>
@@ -27,7 +28,6 @@
#include <linux/string.h>
#include <linux/xarray.h>
-
/*
* Radix tree node cache.
*/
@@ -58,12 +58,10 @@ struct kmem_cache *radix_tree_node_cachep;
/*
* Per-cpu pool of preloaded nodes
*/
-struct radix_tree_preload {
- unsigned nr;
- /* nodes->parent points to next preallocated node */
- struct radix_tree_node *nodes;
+DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = {
+ .lock = INIT_LOCAL_LOCK(lock),
};
-static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, };
+EXPORT_PER_CPU_SYMBOL_GPL(radix_tree_preloads);
static inline struct radix_tree_node *entry_to_node(void *ptr)
{
@@ -332,14 +330,14 @@ static __must_check int __radix_tree_preload(gfp_t gfp_mask, unsigned nr)
*/
gfp_mask &= ~__GFP_ACCOUNT;
- preempt_disable();
+ local_lock(&radix_tree_preloads.lock);
rtp = this_cpu_ptr(&radix_tree_preloads);
while (rtp->nr < nr) {
- preempt_enable();
+ local_unlock(&radix_tree_preloads.lock);
node = kmem_cache_alloc(radix_tree_node_cachep, gfp_mask);
if (node == NULL)
goto out;
- preempt_disable();
+ local_lock(&radix_tree_preloads.lock);
rtp = this_cpu_ptr(&radix_tree_preloads);
if (rtp->nr < nr) {
node->parent = rtp->nodes;
@@ -381,7 +379,7 @@ int radix_tree_maybe_preload(gfp_t gfp_mask)
if (gfpflags_allow_blocking(gfp_mask))
return __radix_tree_preload(gfp_mask, RADIX_TREE_PRELOAD_SIZE);
/* Preloading doesn't help anything with this gfp mask, skip it */
- preempt_disable();
+ local_lock(&radix_tree_preloads.lock);
return 0;
}
EXPORT_SYMBOL(radix_tree_maybe_preload);
@@ -1470,7 +1468,7 @@ EXPORT_SYMBOL(radix_tree_tagged);
void idr_preload(gfp_t gfp_mask)
{
if (__radix_tree_preload(gfp_mask, IDR_PRELOAD_SIZE))
- preempt_disable();
+ local_lock(&radix_tree_preloads.lock);
}
EXPORT_SYMBOL(idr_preload);
diff --git a/lib/sha1.c b/lib/sha1.c
index 1d96d2c02b82..49257a915bb6 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/bitops.h>
-#include <linux/cryptohash.h>
+#include <crypto/sha.h>
#include <asm/unaligned.h>
/*
@@ -64,22 +64,24 @@
#define T_60_79(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, (B^C^D) , 0xca62c1d6, A, B, C, D, E )
/**
- * sha_transform - single block SHA1 transform
+ * sha1_transform - single block SHA1 transform (deprecated)
*
* @digest: 160 bit digest to update
* @data: 512 bits of data to hash
* @array: 16 words of workspace (see note)
*
- * This function generates a SHA1 digest for a single 512-bit block.
- * Be warned, it does not handle padding and message digest, do not
- * confuse it with the full FIPS 180-1 digest algorithm for variable
- * length messages.
+ * This function executes SHA-1's internal compression function. It updates the
+ * 160-bit internal state (@digest) with a single 512-bit data block (@data).
+ *
+ * Don't use this function. SHA-1 is no longer considered secure. And even if
+ * you do have to use SHA-1, this isn't the correct way to hash something with
+ * SHA-1 as this doesn't handle padding and finalization.
*
* Note: If the hash is security sensitive, the caller should be sure
* to clear the workspace. This is left to the caller to avoid
* unnecessary clears between chained hashing operations.
*/
-void sha_transform(__u32 *digest, const char *data, __u32 *array)
+void sha1_transform(__u32 *digest, const char *data, __u32 *array)
{
__u32 A, B, C, D, E;
@@ -185,13 +187,13 @@ void sha_transform(__u32 *digest, const char *data, __u32 *array)
digest[3] += D;
digest[4] += E;
}
-EXPORT_SYMBOL(sha_transform);
+EXPORT_SYMBOL(sha1_transform);
/**
- * sha_init - initialize the vectors for a SHA1 digest
+ * sha1_init - initialize the vectors for a SHA1 digest
* @buf: vector to initialize
*/
-void sha_init(__u32 *buf)
+void sha1_init(__u32 *buf)
{
buf[0] = 0x67452301;
buf[1] = 0xefcdab89;
@@ -199,4 +201,4 @@ void sha_init(__u32 *buf)
buf[3] = 0x10325476;
buf[4] = 0xc3d2e1f0;
}
-EXPORT_SYMBOL(sha_init);
+EXPORT_SYMBOL(sha1_init);
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index 706020b06617..b90ec550183a 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -116,9 +116,9 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
kasan_check_write(dst, count);
check_object_size(dst, count, false);
- if (user_access_begin(src, max)) {
+ if (user_read_access_begin(src, max)) {
retval = do_strncpy_from_user(dst, src, count, max);
- user_access_end();
+ user_read_access_end();
return retval;
}
}
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
index 41670d4a5816..1616710b8a82 100644
--- a/lib/strnlen_user.c
+++ b/lib/strnlen_user.c
@@ -109,9 +109,9 @@ long strnlen_user(const char __user *str, long count)
if (max > count)
max = count;
- if (user_access_begin(str, max)) {
+ if (user_read_access_begin(str, max)) {
retval = do_strnlen_user(str, count, max);
- user_access_end();
+ user_read_access_end();
return retval;
}
}
diff --git a/lib/test_hmm.c b/lib/test_hmm.c
new file mode 100644
index 000000000000..5c1858e325ba
--- /dev/null
+++ b/lib/test_hmm.c
@@ -0,0 +1,1164 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This is a module to test the HMM (Heterogeneous Memory Management)
+ * mirror and zone device private memory migration APIs of the kernel.
+ * Userspace programs can register with the driver to mirror their own address
+ * space and can use the device to read/write any valid virtual address.
+ */
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/mutex.h>
+#include <linux/rwsem.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/highmem.h>
+#include <linux/delay.h>
+#include <linux/pagemap.h>
+#include <linux/hmm.h>
+#include <linux/vmalloc.h>
+#include <linux/swap.h>
+#include <linux/swapops.h>
+#include <linux/sched/mm.h>
+#include <linux/platform_device.h>
+
+#include "test_hmm_uapi.h"
+
+#define DMIRROR_NDEVICES 2
+#define DMIRROR_RANGE_FAULT_TIMEOUT 1000
+#define DEVMEM_CHUNK_SIZE (256 * 1024 * 1024U)
+#define DEVMEM_CHUNKS_RESERVE 16
+
+static const struct dev_pagemap_ops dmirror_devmem_ops;
+static const struct mmu_interval_notifier_ops dmirror_min_ops;
+static dev_t dmirror_dev;
+static struct page *dmirror_zero_page;
+
+struct dmirror_device;
+
+struct dmirror_bounce {
+ void *ptr;
+ unsigned long size;
+ unsigned long addr;
+ unsigned long cpages;
+};
+
+#define DPT_XA_TAG_WRITE 3UL
+
+/*
+ * Data structure to track address ranges and register for mmu interval
+ * notifier updates.
+ */
+struct dmirror_interval {
+ struct mmu_interval_notifier notifier;
+ struct dmirror *dmirror;
+};
+
+/*
+ * Data attached to the open device file.
+ * Note that it might be shared after a fork().
+ */
+struct dmirror {
+ struct dmirror_device *mdevice;
+ struct xarray pt;
+ struct mmu_interval_notifier notifier;
+ struct mutex mutex;
+};
+
+/*
+ * ZONE_DEVICE pages for migration and simulating device memory.
+ */
+struct dmirror_chunk {
+ struct dev_pagemap pagemap;
+ struct dmirror_device *mdevice;
+};
+
+/*
+ * Per device data.
+ */
+struct dmirror_device {
+ struct cdev cdevice;
+ struct hmm_devmem *devmem;
+
+ unsigned int devmem_capacity;
+ unsigned int devmem_count;
+ struct dmirror_chunk **devmem_chunks;
+ struct mutex devmem_lock; /* protects the above */
+
+ unsigned long calloc;
+ unsigned long cfree;
+ struct page *free_pages;
+ spinlock_t lock; /* protects the above */
+};
+
+static struct dmirror_device dmirror_devices[DMIRROR_NDEVICES];
+
+static int dmirror_bounce_init(struct dmirror_bounce *bounce,
+ unsigned long addr,
+ unsigned long size)
+{
+ bounce->addr = addr;
+ bounce->size = size;
+ bounce->cpages = 0;
+ bounce->ptr = vmalloc(size);
+ if (!bounce->ptr)
+ return -ENOMEM;
+ return 0;
+}
+
+static void dmirror_bounce_fini(struct dmirror_bounce *bounce)
+{
+ vfree(bounce->ptr);
+}
+
+static int dmirror_fops_open(struct inode *inode, struct file *filp)
+{
+ struct cdev *cdev = inode->i_cdev;
+ struct dmirror *dmirror;
+ int ret;
+
+ /* Mirror this process address space */
+ dmirror = kzalloc(sizeof(*dmirror), GFP_KERNEL);
+ if (dmirror == NULL)
+ return -ENOMEM;
+
+ dmirror->mdevice = container_of(cdev, struct dmirror_device, cdevice);
+ mutex_init(&dmirror->mutex);
+ xa_init(&dmirror->pt);
+
+ ret = mmu_interval_notifier_insert(&dmirror->notifier, current->mm,
+ 0, ULONG_MAX & PAGE_MASK, &dmirror_min_ops);
+ if (ret) {
+ kfree(dmirror);
+ return ret;
+ }
+
+ filp->private_data = dmirror;
+ return 0;
+}
+
+static int dmirror_fops_release(struct inode *inode, struct file *filp)
+{
+ struct dmirror *dmirror = filp->private_data;
+
+ mmu_interval_notifier_remove(&dmirror->notifier);
+ xa_destroy(&dmirror->pt);
+ kfree(dmirror);
+ return 0;
+}
+
+static struct dmirror_device *dmirror_page_to_device(struct page *page)
+
+{
+ return container_of(page->pgmap, struct dmirror_chunk,
+ pagemap)->mdevice;
+}
+
+static int dmirror_do_fault(struct dmirror *dmirror, struct hmm_range *range)
+{
+ unsigned long *pfns = range->hmm_pfns;
+ unsigned long pfn;
+
+ for (pfn = (range->start >> PAGE_SHIFT);
+ pfn < (range->end >> PAGE_SHIFT);
+ pfn++, pfns++) {
+ struct page *page;
+ void *entry;
+
+ /*
+ * Since we asked for hmm_range_fault() to populate pages,
+ * it shouldn't return an error entry on success.
+ */
+ WARN_ON(*pfns & HMM_PFN_ERROR);
+ WARN_ON(!(*pfns & HMM_PFN_VALID));
+
+ page = hmm_pfn_to_page(*pfns);
+ WARN_ON(!page);
+
+ entry = page;
+ if (*pfns & HMM_PFN_WRITE)
+ entry = xa_tag_pointer(entry, DPT_XA_TAG_WRITE);
+ else if (WARN_ON(range->default_flags & HMM_PFN_WRITE))
+ return -EFAULT;
+ entry = xa_store(&dmirror->pt, pfn, entry, GFP_ATOMIC);
+ if (xa_is_err(entry))
+ return xa_err(entry);
+ }
+
+ return 0;
+}
+
+static void dmirror_do_update(struct dmirror *dmirror, unsigned long start,
+ unsigned long end)
+{
+ unsigned long pfn;
+ void *entry;
+
+ /*
+ * The XArray doesn't hold references to pages since it relies on
+ * the mmu notifier to clear page pointers when they become stale.
+ * Therefore, it is OK to just clear the entry.
+ */
+ xa_for_each_range(&dmirror->pt, pfn, entry, start >> PAGE_SHIFT,
+ end >> PAGE_SHIFT)
+ xa_erase(&dmirror->pt, pfn);
+}
+
+static bool dmirror_interval_invalidate(struct mmu_interval_notifier *mni,
+ const struct mmu_notifier_range *range,
+ unsigned long cur_seq)
+{
+ struct dmirror *dmirror = container_of(mni, struct dmirror, notifier);
+
+ if (mmu_notifier_range_blockable(range))
+ mutex_lock(&dmirror->mutex);
+ else if (!mutex_trylock(&dmirror->mutex))
+ return false;
+
+ mmu_interval_set_seq(mni, cur_seq);
+ dmirror_do_update(dmirror, range->start, range->end);
+
+ mutex_unlock(&dmirror->mutex);
+ return true;
+}
+
+static const struct mmu_interval_notifier_ops dmirror_min_ops = {
+ .invalidate = dmirror_interval_invalidate,
+};
+
+static int dmirror_range_fault(struct dmirror *dmirror,
+ struct hmm_range *range)
+{
+ struct mm_struct *mm = dmirror->notifier.mm;
+ unsigned long timeout =
+ jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
+ int ret;
+
+ while (true) {
+ if (time_after(jiffies, timeout)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ range->notifier_seq = mmu_interval_read_begin(range->notifier);
+ down_read(&mm->mmap_sem);
+ ret = hmm_range_fault(range);
+ up_read(&mm->mmap_sem);
+ if (ret) {
+ if (ret == -EBUSY)
+ continue;
+ goto out;
+ }
+
+ mutex_lock(&dmirror->mutex);
+ if (mmu_interval_read_retry(range->notifier,
+ range->notifier_seq)) {
+ mutex_unlock(&dmirror->mutex);
+ continue;
+ }
+ break;
+ }
+
+ ret = dmirror_do_fault(dmirror, range);
+
+ mutex_unlock(&dmirror->mutex);
+out:
+ return ret;
+}
+
+static int dmirror_fault(struct dmirror *dmirror, unsigned long start,
+ unsigned long end, bool write)
+{
+ struct mm_struct *mm = dmirror->notifier.mm;
+ unsigned long addr;
+ unsigned long pfns[64];
+ struct hmm_range range = {
+ .notifier = &dmirror->notifier,
+ .hmm_pfns = pfns,
+ .pfn_flags_mask = 0,
+ .default_flags =
+ HMM_PFN_REQ_FAULT | (write ? HMM_PFN_REQ_WRITE : 0),
+ .dev_private_owner = dmirror->mdevice,
+ };
+ int ret = 0;
+
+ /* Since the mm is for the mirrored process, get a reference first. */
+ if (!mmget_not_zero(mm))
+ return 0;
+
+ for (addr = start; addr < end; addr = range.end) {
+ range.start = addr;
+ range.end = min(addr + (ARRAY_SIZE(pfns) << PAGE_SHIFT), end);
+
+ ret = dmirror_range_fault(dmirror, &range);
+ if (ret)
+ break;
+ }
+
+ mmput(mm);
+ return ret;
+}
+
+static int dmirror_do_read(struct dmirror *dmirror, unsigned long start,
+ unsigned long end, struct dmirror_bounce *bounce)
+{
+ unsigned long pfn;
+ void *ptr;
+
+ ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK);
+
+ for (pfn = start >> PAGE_SHIFT; pfn < (end >> PAGE_SHIFT); pfn++) {
+ void *entry;
+ struct page *page;
+ void *tmp;
+
+ entry = xa_load(&dmirror->pt, pfn);
+ page = xa_untag_pointer(entry);
+ if (!page)
+ return -ENOENT;
+
+ tmp = kmap(page);
+ memcpy(ptr, tmp, PAGE_SIZE);
+ kunmap(page);
+
+ ptr += PAGE_SIZE;
+ bounce->cpages++;
+ }
+
+ return 0;
+}
+
+static int dmirror_read(struct dmirror *dmirror, struct hmm_dmirror_cmd *cmd)
+{
+ struct dmirror_bounce bounce;
+ unsigned long start, end;
+ unsigned long size = cmd->npages << PAGE_SHIFT;
+ int ret;
+
+ start = cmd->addr;
+ end = start + size;
+ if (end < start)
+ return -EINVAL;
+
+ ret = dmirror_bounce_init(&bounce, start, size);
+ if (ret)
+ return ret;
+
+ while (1) {
+ mutex_lock(&dmirror->mutex);
+ ret = dmirror_do_read(dmirror, start, end, &bounce);
+ mutex_unlock(&dmirror->mutex);
+ if (ret != -ENOENT)
+ break;
+
+ start = cmd->addr + (bounce.cpages << PAGE_SHIFT);
+ ret = dmirror_fault(dmirror, start, end, false);
+ if (ret)
+ break;
+ cmd->faults++;
+ }
+
+ if (ret == 0) {
+ if (copy_to_user(u64_to_user_ptr(cmd->ptr), bounce.ptr,
+ bounce.size))
+ ret = -EFAULT;
+ }
+ cmd->cpages = bounce.cpages;
+ dmirror_bounce_fini(&bounce);
+ return ret;
+}
+
+static int dmirror_do_write(struct dmirror *dmirror, unsigned long start,
+ unsigned long end, struct dmirror_bounce *bounce)
+{
+ unsigned long pfn;
+ void *ptr;
+
+ ptr = bounce->ptr + ((start - bounce->addr) & PAGE_MASK);
+
+ for (pfn = start >> PAGE_SHIFT; pfn < (end >> PAGE_SHIFT); pfn++) {
+ void *entry;
+ struct page *page;
+ void *tmp;
+
+ entry = xa_load(&dmirror->pt, pfn);
+ page = xa_untag_pointer(entry);
+ if (!page || xa_pointer_tag(entry) != DPT_XA_TAG_WRITE)
+ return -ENOENT;
+
+ tmp = kmap(page);
+ memcpy(tmp, ptr, PAGE_SIZE);
+ kunmap(page);
+
+ ptr += PAGE_SIZE;
+ bounce->cpages++;
+ }
+
+ return 0;
+}
+
+static int dmirror_write(struct dmirror *dmirror, struct hmm_dmirror_cmd *cmd)
+{
+ struct dmirror_bounce bounce;
+ unsigned long start, end;
+ unsigned long size = cmd->npages << PAGE_SHIFT;
+ int ret;
+
+ start = cmd->addr;
+ end = start + size;
+ if (end < start)
+ return -EINVAL;
+
+ ret = dmirror_bounce_init(&bounce, start, size);
+ if (ret)
+ return ret;
+ if (copy_from_user(bounce.ptr, u64_to_user_ptr(cmd->ptr),
+ bounce.size)) {
+ ret = -EFAULT;
+ goto fini;
+ }
+
+ while (1) {
+ mutex_lock(&dmirror->mutex);
+ ret = dmirror_do_write(dmirror, start, end, &bounce);
+ mutex_unlock(&dmirror->mutex);
+ if (ret != -ENOENT)
+ break;
+
+ start = cmd->addr + (bounce.cpages << PAGE_SHIFT);
+ ret = dmirror_fault(dmirror, start, end, true);
+ if (ret)
+ break;
+ cmd->faults++;
+ }
+
+fini:
+ cmd->cpages = bounce.cpages;
+ dmirror_bounce_fini(&bounce);
+ return ret;
+}
+
+static bool dmirror_allocate_chunk(struct dmirror_device *mdevice,
+ struct page **ppage)
+{
+ struct dmirror_chunk *devmem;
+ struct resource *res;
+ unsigned long pfn;
+ unsigned long pfn_first;
+ unsigned long pfn_last;
+ void *ptr;
+
+ mutex_lock(&mdevice->devmem_lock);
+
+ if (mdevice->devmem_count == mdevice->devmem_capacity) {
+ struct dmirror_chunk **new_chunks;
+ unsigned int new_capacity;
+
+ new_capacity = mdevice->devmem_capacity +
+ DEVMEM_CHUNKS_RESERVE;
+ new_chunks = krealloc(mdevice->devmem_chunks,
+ sizeof(new_chunks[0]) * new_capacity,
+ GFP_KERNEL);
+ if (!new_chunks)
+ goto err;
+ mdevice->devmem_capacity = new_capacity;
+ mdevice->devmem_chunks = new_chunks;
+ }
+
+ res = request_free_mem_region(&iomem_resource, DEVMEM_CHUNK_SIZE,
+ "hmm_dmirror");
+ if (IS_ERR(res))
+ goto err;
+
+ devmem = kzalloc(sizeof(*devmem), GFP_KERNEL);
+ if (!devmem)
+ goto err_release;
+
+ devmem->pagemap.type = MEMORY_DEVICE_PRIVATE;
+ devmem->pagemap.res = *res;
+ devmem->pagemap.ops = &dmirror_devmem_ops;
+ devmem->pagemap.owner = mdevice;
+
+ ptr = memremap_pages(&devmem->pagemap, numa_node_id());
+ if (IS_ERR(ptr))
+ goto err_free;
+
+ devmem->mdevice = mdevice;
+ pfn_first = devmem->pagemap.res.start >> PAGE_SHIFT;
+ pfn_last = pfn_first +
+ (resource_size(&devmem->pagemap.res) >> PAGE_SHIFT);
+ mdevice->devmem_chunks[mdevice->devmem_count++] = devmem;
+
+ mutex_unlock(&mdevice->devmem_lock);
+
+ pr_info("added new %u MB chunk (total %u chunks, %u MB) PFNs [0x%lx 0x%lx)\n",
+ DEVMEM_CHUNK_SIZE / (1024 * 1024),
+ mdevice->devmem_count,
+ mdevice->devmem_count * (DEVMEM_CHUNK_SIZE / (1024 * 1024)),
+ pfn_first, pfn_last);
+
+ spin_lock(&mdevice->lock);
+ for (pfn = pfn_first; pfn < pfn_last; pfn++) {
+ struct page *page = pfn_to_page(pfn);
+
+ page->zone_device_data = mdevice->free_pages;
+ mdevice->free_pages = page;
+ }
+ if (ppage) {
+ *ppage = mdevice->free_pages;
+ mdevice->free_pages = (*ppage)->zone_device_data;
+ mdevice->calloc++;
+ }
+ spin_unlock(&mdevice->lock);
+
+ return true;
+
+err_free:
+ kfree(devmem);
+err_release:
+ release_mem_region(devmem->pagemap.res.start,
+ resource_size(&devmem->pagemap.res));
+err:
+ mutex_unlock(&mdevice->devmem_lock);
+ return false;
+}
+
+static struct page *dmirror_devmem_alloc_page(struct dmirror_device *mdevice)
+{
+ struct page *dpage = NULL;
+ struct page *rpage;
+
+ /*
+ * This is a fake device so we alloc real system memory to store
+ * our device memory.
+ */
+ rpage = alloc_page(GFP_HIGHUSER);
+ if (!rpage)
+ return NULL;
+
+ spin_lock(&mdevice->lock);
+
+ if (mdevice->free_pages) {
+ dpage = mdevice->free_pages;
+ mdevice->free_pages = dpage->zone_device_data;
+ mdevice->calloc++;
+ spin_unlock(&mdevice->lock);
+ } else {
+ spin_unlock(&mdevice->lock);
+ if (!dmirror_allocate_chunk(mdevice, &dpage))
+ goto error;
+ }
+
+ dpage->zone_device_data = rpage;
+ get_page(dpage);
+ lock_page(dpage);
+ return dpage;
+
+error:
+ __free_page(rpage);
+ return NULL;
+}
+
+static void dmirror_migrate_alloc_and_copy(struct migrate_vma *args,
+ struct dmirror *dmirror)
+{
+ struct dmirror_device *mdevice = dmirror->mdevice;
+ const unsigned long *src = args->src;
+ unsigned long *dst = args->dst;
+ unsigned long addr;
+
+ for (addr = args->start; addr < args->end; addr += PAGE_SIZE,
+ src++, dst++) {
+ struct page *spage;
+ struct page *dpage;
+ struct page *rpage;
+
+ if (!(*src & MIGRATE_PFN_MIGRATE))
+ continue;
+
+ /*
+ * Note that spage might be NULL which is OK since it is an
+ * unallocated pte_none() or read-only zero page.
+ */
+ spage = migrate_pfn_to_page(*src);
+
+ /*
+ * Don't migrate device private pages from our own driver or
+ * others. For our own we would do a device private memory copy
+ * not a migration and for others, we would need to fault the
+ * other device's page into system memory first.
+ */
+ if (spage && is_zone_device_page(spage))
+ continue;
+
+ dpage = dmirror_devmem_alloc_page(mdevice);
+ if (!dpage)
+ continue;
+
+ rpage = dpage->zone_device_data;
+ if (spage)
+ copy_highpage(rpage, spage);
+ else
+ clear_highpage(rpage);
+
+ /*
+ * Normally, a device would use the page->zone_device_data to
+ * point to the mirror but here we use it to hold the page for
+ * the simulated device memory and that page holds the pointer
+ * to the mirror.
+ */
+ rpage->zone_device_data = dmirror;
+
+ *dst = migrate_pfn(page_to_pfn(dpage)) |
+ MIGRATE_PFN_LOCKED;
+ if ((*src & MIGRATE_PFN_WRITE) ||
+ (!spage && args->vma->vm_flags & VM_WRITE))
+ *dst |= MIGRATE_PFN_WRITE;
+ }
+}
+
+static int dmirror_migrate_finalize_and_map(struct migrate_vma *args,
+ struct dmirror *dmirror)
+{
+ unsigned long start = args->start;
+ unsigned long end = args->end;
+ const unsigned long *src = args->src;
+ const unsigned long *dst = args->dst;
+ unsigned long pfn;
+
+ /* Map the migrated pages into the device's page tables. */
+ mutex_lock(&dmirror->mutex);
+
+ for (pfn = start >> PAGE_SHIFT; pfn < (end >> PAGE_SHIFT); pfn++,
+ src++, dst++) {
+ struct page *dpage;
+ void *entry;
+
+ if (!(*src & MIGRATE_PFN_MIGRATE))
+ continue;
+
+ dpage = migrate_pfn_to_page(*dst);
+ if (!dpage)
+ continue;
+
+ /*
+ * Store the page that holds the data so the page table
+ * doesn't have to deal with ZONE_DEVICE private pages.
+ */
+ entry = dpage->zone_device_data;
+ if (*dst & MIGRATE_PFN_WRITE)
+ entry = xa_tag_pointer(entry, DPT_XA_TAG_WRITE);
+ entry = xa_store(&dmirror->pt, pfn, entry, GFP_ATOMIC);
+ if (xa_is_err(entry)) {
+ mutex_unlock(&dmirror->mutex);
+ return xa_err(entry);
+ }
+ }
+
+ mutex_unlock(&dmirror->mutex);
+ return 0;
+}
+
+static int dmirror_migrate(struct dmirror *dmirror,
+ struct hmm_dmirror_cmd *cmd)
+{
+ unsigned long start, end, addr;
+ unsigned long size = cmd->npages << PAGE_SHIFT;
+ struct mm_struct *mm = dmirror->notifier.mm;
+ struct vm_area_struct *vma;
+ unsigned long src_pfns[64];
+ unsigned long dst_pfns[64];
+ struct dmirror_bounce bounce;
+ struct migrate_vma args;
+ unsigned long next;
+ int ret;
+
+ start = cmd->addr;
+ end = start + size;
+ if (end < start)
+ return -EINVAL;
+
+ /* Since the mm is for the mirrored process, get a reference first. */
+ if (!mmget_not_zero(mm))
+ return -EINVAL;
+
+ down_read(&mm->mmap_sem);
+ for (addr = start; addr < end; addr = next) {
+ vma = find_vma(mm, addr);
+ if (!vma || addr < vma->vm_start ||
+ !(vma->vm_flags & VM_READ)) {
+ ret = -EINVAL;
+ goto out;
+ }
+ next = min(end, addr + (ARRAY_SIZE(src_pfns) << PAGE_SHIFT));
+ if (next > vma->vm_end)
+ next = vma->vm_end;
+
+ args.vma = vma;
+ args.src = src_pfns;
+ args.dst = dst_pfns;
+ args.start = addr;
+ args.end = next;
+ args.src_owner = NULL;
+ ret = migrate_vma_setup(&args);
+ if (ret)
+ goto out;
+
+ dmirror_migrate_alloc_and_copy(&args, dmirror);
+ migrate_vma_pages(&args);
+ dmirror_migrate_finalize_and_map(&args, dmirror);
+ migrate_vma_finalize(&args);
+ }
+ up_read(&mm->mmap_sem);
+ mmput(mm);
+
+ /* Return the migrated data for verification. */
+ ret = dmirror_bounce_init(&bounce, start, size);
+ if (ret)
+ return ret;
+ mutex_lock(&dmirror->mutex);
+ ret = dmirror_do_read(dmirror, start, end, &bounce);
+ mutex_unlock(&dmirror->mutex);
+ if (ret == 0) {
+ if (copy_to_user(u64_to_user_ptr(cmd->ptr), bounce.ptr,
+ bounce.size))
+ ret = -EFAULT;
+ }
+ cmd->cpages = bounce.cpages;
+ dmirror_bounce_fini(&bounce);
+ return ret;
+
+out:
+ up_read(&mm->mmap_sem);
+ mmput(mm);
+ return ret;
+}
+
+static void dmirror_mkentry(struct dmirror *dmirror, struct hmm_range *range,
+ unsigned char *perm, unsigned long entry)
+{
+ struct page *page;
+
+ if (entry & HMM_PFN_ERROR) {
+ *perm = HMM_DMIRROR_PROT_ERROR;
+ return;
+ }
+ if (!(entry & HMM_PFN_VALID)) {
+ *perm = HMM_DMIRROR_PROT_NONE;
+ return;
+ }
+
+ page = hmm_pfn_to_page(entry);
+ if (is_device_private_page(page)) {
+ /* Is the page migrated to this device or some other? */
+ if (dmirror->mdevice == dmirror_page_to_device(page))
+ *perm = HMM_DMIRROR_PROT_DEV_PRIVATE_LOCAL;
+ else
+ *perm = HMM_DMIRROR_PROT_DEV_PRIVATE_REMOTE;
+ } else if (is_zero_pfn(page_to_pfn(page)))
+ *perm = HMM_DMIRROR_PROT_ZERO;
+ else
+ *perm = HMM_DMIRROR_PROT_NONE;
+ if (entry & HMM_PFN_WRITE)
+ *perm |= HMM_DMIRROR_PROT_WRITE;
+ else
+ *perm |= HMM_DMIRROR_PROT_READ;
+}
+
+static bool dmirror_snapshot_invalidate(struct mmu_interval_notifier *mni,
+ const struct mmu_notifier_range *range,
+ unsigned long cur_seq)
+{
+ struct dmirror_interval *dmi =
+ container_of(mni, struct dmirror_interval, notifier);
+ struct dmirror *dmirror = dmi->dmirror;
+
+ if (mmu_notifier_range_blockable(range))
+ mutex_lock(&dmirror->mutex);
+ else if (!mutex_trylock(&dmirror->mutex))
+ return false;
+
+ /*
+ * Snapshots only need to set the sequence number since any
+ * invalidation in the interval invalidates the whole snapshot.
+ */
+ mmu_interval_set_seq(mni, cur_seq);
+
+ mutex_unlock(&dmirror->mutex);
+ return true;
+}
+
+static const struct mmu_interval_notifier_ops dmirror_mrn_ops = {
+ .invalidate = dmirror_snapshot_invalidate,
+};
+
+static int dmirror_range_snapshot(struct dmirror *dmirror,
+ struct hmm_range *range,
+ unsigned char *perm)
+{
+ struct mm_struct *mm = dmirror->notifier.mm;
+ struct dmirror_interval notifier;
+ unsigned long timeout =
+ jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
+ unsigned long i;
+ unsigned long n;
+ int ret = 0;
+
+ notifier.dmirror = dmirror;
+ range->notifier = &notifier.notifier;
+
+ ret = mmu_interval_notifier_insert(range->notifier, mm,
+ range->start, range->end - range->start,
+ &dmirror_mrn_ops);
+ if (ret)
+ return ret;
+
+ while (true) {
+ if (time_after(jiffies, timeout)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ range->notifier_seq = mmu_interval_read_begin(range->notifier);
+
+ down_read(&mm->mmap_sem);
+ ret = hmm_range_fault(range);
+ up_read(&mm->mmap_sem);
+ if (ret) {
+ if (ret == -EBUSY)
+ continue;
+ goto out;
+ }
+
+ mutex_lock(&dmirror->mutex);
+ if (mmu_interval_read_retry(range->notifier,
+ range->notifier_seq)) {
+ mutex_unlock(&dmirror->mutex);
+ continue;
+ }
+ break;
+ }
+
+ n = (range->end - range->start) >> PAGE_SHIFT;
+ for (i = 0; i < n; i++)
+ dmirror_mkentry(dmirror, range, perm + i, range->hmm_pfns[i]);
+
+ mutex_unlock(&dmirror->mutex);
+out:
+ mmu_interval_notifier_remove(range->notifier);
+ return ret;
+}
+
+static int dmirror_snapshot(struct dmirror *dmirror,
+ struct hmm_dmirror_cmd *cmd)
+{
+ struct mm_struct *mm = dmirror->notifier.mm;
+ unsigned long start, end;
+ unsigned long size = cmd->npages << PAGE_SHIFT;
+ unsigned long addr;
+ unsigned long next;
+ unsigned long pfns[64];
+ unsigned char perm[64];
+ char __user *uptr;
+ struct hmm_range range = {
+ .hmm_pfns = pfns,
+ .dev_private_owner = dmirror->mdevice,
+ };
+ int ret = 0;
+
+ start = cmd->addr;
+ end = start + size;
+ if (end < start)
+ return -EINVAL;
+
+ /* Since the mm is for the mirrored process, get a reference first. */
+ if (!mmget_not_zero(mm))
+ return -EINVAL;
+
+ /*
+ * Register a temporary notifier to detect invalidations even if it
+ * overlaps with other mmu_interval_notifiers.
+ */
+ uptr = u64_to_user_ptr(cmd->ptr);
+ for (addr = start; addr < end; addr = next) {
+ unsigned long n;
+
+ next = min(addr + (ARRAY_SIZE(pfns) << PAGE_SHIFT), end);
+ range.start = addr;
+ range.end = next;
+
+ ret = dmirror_range_snapshot(dmirror, &range, perm);
+ if (ret)
+ break;
+
+ n = (range.end - range.start) >> PAGE_SHIFT;
+ if (copy_to_user(uptr, perm, n)) {
+ ret = -EFAULT;
+ break;
+ }
+
+ cmd->cpages += n;
+ uptr += n;
+ }
+ mmput(mm);
+
+ return ret;
+}
+
+static long dmirror_fops_unlocked_ioctl(struct file *filp,
+ unsigned int command,
+ unsigned long arg)
+{
+ void __user *uarg = (void __user *)arg;
+ struct hmm_dmirror_cmd cmd;
+ struct dmirror *dmirror;
+ int ret;
+
+ dmirror = filp->private_data;
+ if (!dmirror)
+ return -EINVAL;
+
+ if (copy_from_user(&cmd, uarg, sizeof(cmd)))
+ return -EFAULT;
+
+ if (cmd.addr & ~PAGE_MASK)
+ return -EINVAL;
+ if (cmd.addr >= (cmd.addr + (cmd.npages << PAGE_SHIFT)))
+ return -EINVAL;
+
+ cmd.cpages = 0;
+ cmd.faults = 0;
+
+ switch (command) {
+ case HMM_DMIRROR_READ:
+ ret = dmirror_read(dmirror, &cmd);
+ break;
+
+ case HMM_DMIRROR_WRITE:
+ ret = dmirror_write(dmirror, &cmd);
+ break;
+
+ case HMM_DMIRROR_MIGRATE:
+ ret = dmirror_migrate(dmirror, &cmd);
+ break;
+
+ case HMM_DMIRROR_SNAPSHOT:
+ ret = dmirror_snapshot(dmirror, &cmd);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ if (ret)
+ return ret;
+
+ if (copy_to_user(uarg, &cmd, sizeof(cmd)))
+ return -EFAULT;
+
+ return 0;
+}
+
+static const struct file_operations dmirror_fops = {
+ .open = dmirror_fops_open,
+ .release = dmirror_fops_release,
+ .unlocked_ioctl = dmirror_fops_unlocked_ioctl,
+ .llseek = default_llseek,
+ .owner = THIS_MODULE,
+};
+
+static void dmirror_devmem_free(struct page *page)
+{
+ struct page *rpage = page->zone_device_data;
+ struct dmirror_device *mdevice;
+
+ if (rpage)
+ __free_page(rpage);
+
+ mdevice = dmirror_page_to_device(page);
+
+ spin_lock(&mdevice->lock);
+ mdevice->cfree++;
+ page->zone_device_data = mdevice->free_pages;
+ mdevice->free_pages = page;
+ spin_unlock(&mdevice->lock);
+}
+
+static vm_fault_t dmirror_devmem_fault_alloc_and_copy(struct migrate_vma *args,
+ struct dmirror_device *mdevice)
+{
+ const unsigned long *src = args->src;
+ unsigned long *dst = args->dst;
+ unsigned long start = args->start;
+ unsigned long end = args->end;
+ unsigned long addr;
+
+ for (addr = start; addr < end; addr += PAGE_SIZE,
+ src++, dst++) {
+ struct page *dpage, *spage;
+
+ spage = migrate_pfn_to_page(*src);
+ if (!spage || !(*src & MIGRATE_PFN_MIGRATE))
+ continue;
+ spage = spage->zone_device_data;
+
+ dpage = alloc_page_vma(GFP_HIGHUSER_MOVABLE, args->vma, addr);
+ if (!dpage)
+ continue;
+
+ lock_page(dpage);
+ copy_highpage(dpage, spage);
+ *dst = migrate_pfn(page_to_pfn(dpage)) | MIGRATE_PFN_LOCKED;
+ if (*src & MIGRATE_PFN_WRITE)
+ *dst |= MIGRATE_PFN_WRITE;
+ }
+ return 0;
+}
+
+static void dmirror_devmem_fault_finalize_and_map(struct migrate_vma *args,
+ struct dmirror *dmirror)
+{
+ /* Invalidate the device's page table mapping. */
+ mutex_lock(&dmirror->mutex);
+ dmirror_do_update(dmirror, args->start, args->end);
+ mutex_unlock(&dmirror->mutex);
+}
+
+static vm_fault_t dmirror_devmem_fault(struct vm_fault *vmf)
+{
+ struct migrate_vma args;
+ unsigned long src_pfns;
+ unsigned long dst_pfns;
+ struct page *rpage;
+ struct dmirror *dmirror;
+ vm_fault_t ret;
+
+ /*
+ * Normally, a device would use the page->zone_device_data to point to
+ * the mirror but here we use it to hold the page for the simulated
+ * device memory and that page holds the pointer to the mirror.
+ */
+ rpage = vmf->page->zone_device_data;
+ dmirror = rpage->zone_device_data;
+
+ /* FIXME demonstrate how we can adjust migrate range */
+ args.vma = vmf->vma;
+ args.start = vmf->address;
+ args.end = args.start + PAGE_SIZE;
+ args.src = &src_pfns;
+ args.dst = &dst_pfns;
+ args.src_owner = dmirror->mdevice;
+
+ if (migrate_vma_setup(&args))
+ return VM_FAULT_SIGBUS;
+
+ ret = dmirror_devmem_fault_alloc_and_copy(&args, dmirror->mdevice);
+ if (ret)
+ return ret;
+ migrate_vma_pages(&args);
+ dmirror_devmem_fault_finalize_and_map(&args, dmirror);
+ migrate_vma_finalize(&args);
+ return 0;
+}
+
+static const struct dev_pagemap_ops dmirror_devmem_ops = {
+ .page_free = dmirror_devmem_free,
+ .migrate_to_ram = dmirror_devmem_fault,
+};
+
+static int dmirror_device_init(struct dmirror_device *mdevice, int id)
+{
+ dev_t dev;
+ int ret;
+
+ dev = MKDEV(MAJOR(dmirror_dev), id);
+ mutex_init(&mdevice->devmem_lock);
+ spin_lock_init(&mdevice->lock);
+
+ cdev_init(&mdevice->cdevice, &dmirror_fops);
+ mdevice->cdevice.owner = THIS_MODULE;
+ ret = cdev_add(&mdevice->cdevice, dev, 1);
+ if (ret)
+ return ret;
+
+ /* Build a list of free ZONE_DEVICE private struct pages */
+ dmirror_allocate_chunk(mdevice, NULL);
+
+ return 0;
+}
+
+static void dmirror_device_remove(struct dmirror_device *mdevice)
+{
+ unsigned int i;
+
+ if (mdevice->devmem_chunks) {
+ for (i = 0; i < mdevice->devmem_count; i++) {
+ struct dmirror_chunk *devmem =
+ mdevice->devmem_chunks[i];
+
+ memunmap_pages(&devmem->pagemap);
+ release_mem_region(devmem->pagemap.res.start,
+ resource_size(&devmem->pagemap.res));
+ kfree(devmem);
+ }
+ kfree(mdevice->devmem_chunks);
+ }
+
+ cdev_del(&mdevice->cdevice);
+}
+
+static int __init hmm_dmirror_init(void)
+{
+ int ret;
+ int id;
+
+ ret = alloc_chrdev_region(&dmirror_dev, 0, DMIRROR_NDEVICES,
+ "HMM_DMIRROR");
+ if (ret)
+ goto err_unreg;
+
+ for (id = 0; id < DMIRROR_NDEVICES; id++) {
+ ret = dmirror_device_init(dmirror_devices + id, id);
+ if (ret)
+ goto err_chrdev;
+ }
+
+ /*
+ * Allocate a zero page to simulate a reserved page of device private
+ * memory which is always zero. The zero_pfn page isn't used just to
+ * make the code here simpler (i.e., we need a struct page for it).
+ */
+ dmirror_zero_page = alloc_page(GFP_HIGHUSER | __GFP_ZERO);
+ if (!dmirror_zero_page) {
+ ret = -ENOMEM;
+ goto err_chrdev;
+ }
+
+ pr_info("HMM test module loaded. This is only for testing HMM.\n");
+ return 0;
+
+err_chrdev:
+ while (--id >= 0)
+ dmirror_device_remove(dmirror_devices + id);
+ unregister_chrdev_region(dmirror_dev, DMIRROR_NDEVICES);
+err_unreg:
+ return ret;
+}
+
+static void __exit hmm_dmirror_exit(void)
+{
+ int id;
+
+ if (dmirror_zero_page)
+ __free_page(dmirror_zero_page);
+ for (id = 0; id < DMIRROR_NDEVICES; id++)
+ dmirror_device_remove(dmirror_devices + id);
+ unregister_chrdev_region(dmirror_dev, DMIRROR_NDEVICES);
+}
+
+module_init(hmm_dmirror_init);
+module_exit(hmm_dmirror_exit);
+MODULE_LICENSE("GPL");
diff --git a/lib/test_hmm_uapi.h b/lib/test_hmm_uapi.h
new file mode 100644
index 000000000000..67b3b2e6ff5d
--- /dev/null
+++ b/lib/test_hmm_uapi.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * This is a module to test the HMM (Heterogeneous Memory Management) API
+ * of the kernel. It allows a userspace program to expose its entire address
+ * space through the HMM test module device file.
+ */
+#ifndef _LIB_TEST_HMM_UAPI_H
+#define _LIB_TEST_HMM_UAPI_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+/*
+ * Structure to pass to the HMM test driver to mimic a device accessing
+ * system memory and ZONE_DEVICE private memory through device page tables.
+ *
+ * @addr: (in) user address the device will read/write
+ * @ptr: (in) user address where device data is copied to/from
+ * @npages: (in) number of pages to read/write
+ * @cpages: (out) number of pages copied
+ * @faults: (out) number of device page faults seen
+ */
+struct hmm_dmirror_cmd {
+ __u64 addr;
+ __u64 ptr;
+ __u64 npages;
+ __u64 cpages;
+ __u64 faults;
+};
+
+/* Expose the address space of the calling process through hmm device file */
+#define HMM_DMIRROR_READ _IOWR('H', 0x00, struct hmm_dmirror_cmd)
+#define HMM_DMIRROR_WRITE _IOWR('H', 0x01, struct hmm_dmirror_cmd)
+#define HMM_DMIRROR_MIGRATE _IOWR('H', 0x02, struct hmm_dmirror_cmd)
+#define HMM_DMIRROR_SNAPSHOT _IOWR('H', 0x03, struct hmm_dmirror_cmd)
+
+/*
+ * Values returned in hmm_dmirror_cmd.ptr for HMM_DMIRROR_SNAPSHOT.
+ * HMM_DMIRROR_PROT_ERROR: no valid mirror PTE for this page
+ * HMM_DMIRROR_PROT_NONE: unpopulated PTE or PTE with no access
+ * HMM_DMIRROR_PROT_READ: read-only PTE
+ * HMM_DMIRROR_PROT_WRITE: read/write PTE
+ * HMM_DMIRROR_PROT_ZERO: special read-only zero page
+ * HMM_DMIRROR_PROT_DEV_PRIVATE_LOCAL: Migrated device private page on the
+ * device the ioctl() is made
+ * HMM_DMIRROR_PROT_DEV_PRIVATE_REMOTE: Migrated device private page on some
+ * other device
+ */
+enum {
+ HMM_DMIRROR_PROT_ERROR = 0xFF,
+ HMM_DMIRROR_PROT_NONE = 0x00,
+ HMM_DMIRROR_PROT_READ = 0x01,
+ HMM_DMIRROR_PROT_WRITE = 0x02,
+ HMM_DMIRROR_PROT_ZERO = 0x10,
+ HMM_DMIRROR_PROT_DEV_PRIVATE_LOCAL = 0x20,
+ HMM_DMIRROR_PROT_DEV_PRIVATE_REMOTE = 0x30,
+};
+
+#endif /* _LIB_TEST_HMM_UAPI_H */
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
index e3087d90e00d..dc2c6a51d11a 100644
--- a/lib/test_kasan.c
+++ b/lib/test_kasan.c
@@ -24,6 +24,14 @@
#include <asm/page.h>
/*
+ * We assign some test results to these globals to make sure the tests
+ * are not eliminated as dead code.
+ */
+
+int kasan_int_result;
+void *kasan_ptr_result;
+
+/*
* Note: test functions are marked noinline so that their names appear in
* reports.
*/
@@ -622,7 +630,7 @@ static noinline void __init kasan_memchr(void)
if (!ptr)
return;
- memchr(ptr, '1', size + 1);
+ kasan_ptr_result = memchr(ptr, '1', size + 1);
kfree(ptr);
}
@@ -638,7 +646,7 @@ static noinline void __init kasan_memcmp(void)
return;
memset(arr, 0, sizeof(arr));
- memcmp(ptr, arr, size+1);
+ kasan_int_result = memcmp(ptr, arr, size + 1);
kfree(ptr);
}
@@ -661,22 +669,22 @@ static noinline void __init kasan_strings(void)
* will likely point to zeroed byte.
*/
ptr += 16;
- strchr(ptr, '1');
+ kasan_ptr_result = strchr(ptr, '1');
pr_info("use-after-free in strrchr\n");
- strrchr(ptr, '1');
+ kasan_ptr_result = strrchr(ptr, '1');
pr_info("use-after-free in strcmp\n");
- strcmp(ptr, "2");
+ kasan_int_result = strcmp(ptr, "2");
pr_info("use-after-free in strncmp\n");
- strncmp(ptr, "2", 1);
+ kasan_int_result = strncmp(ptr, "2", 1);
pr_info("use-after-free in strlen\n");
- strlen(ptr);
+ kasan_int_result = strlen(ptr);
pr_info("use-after-free in strnlen\n");
- strnlen(ptr, 1);
+ kasan_int_result = strnlen(ptr, 1);
}
static noinline void __init kasan_bitops(void)
@@ -743,11 +751,12 @@ static noinline void __init kasan_bitops(void)
__test_and_change_bit(BITS_PER_LONG + BITS_PER_BYTE, bits);
pr_info("out-of-bounds in test_bit\n");
- (void)test_bit(BITS_PER_LONG + BITS_PER_BYTE, bits);
+ kasan_int_result = test_bit(BITS_PER_LONG + BITS_PER_BYTE, bits);
#if defined(clear_bit_unlock_is_negative_byte)
pr_info("out-of-bounds in clear_bit_unlock_is_negative_byte\n");
- clear_bit_unlock_is_negative_byte(BITS_PER_LONG + BITS_PER_BYTE, bits);
+ kasan_int_result = clear_bit_unlock_is_negative_byte(BITS_PER_LONG +
+ BITS_PER_BYTE, bits);
#endif
kfree(bits);
}
diff --git a/lib/test_linear_ranges.c b/lib/test_linear_ranges.c
new file mode 100644
index 000000000000..676e0b8abcdd
--- /dev/null
+++ b/lib/test_linear_ranges.c
@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KUnit test for the linear_ranges helper.
+ *
+ * Copyright (C) 2020, ROHM Semiconductors.
+ * Author: Matti Vaittinen <matti.vaittien@fi.rohmeurope.com>
+ */
+#include <kunit/test.h>
+
+#include <linux/linear_range.h>
+
+/* First things first. I deeply dislike unit-tests. I have seen all the hell
+ * breaking loose when people who think the unit tests are "the silver bullet"
+ * to kill bugs get to decide how a company should implement testing strategy...
+ *
+ * Believe me, it may get _really_ ridiculous. It is tempting to think that
+ * walking through all the possible execution branches will nail down 100% of
+ * bugs. This may lead to ideas about demands to get certain % of "test
+ * coverage" - measured as line coverage. And that is one of the worst things
+ * you can do.
+ *
+ * Ask people to provide line coverage and they do. I've seen clever tools
+ * which generate test cases to test the existing functions - and by default
+ * these tools expect code to be correct and just generate checks which are
+ * passing when ran against current code-base. Run this generator and you'll get
+ * tests that do not test code is correct but just verify nothing changes.
+ * Problem is that testing working code is pointless. And if it is not
+ * working, your test must not assume it is working. You won't catch any bugs
+ * by such tests. What you can do is to generate a huge amount of tests.
+ * Especially if you were are asked to proivde 100% line-coverage x_x. So what
+ * does these tests - which are not finding any bugs now - do?
+ *
+ * They add inertia to every future development. I think it was Terry Pratchet
+ * who wrote someone having same impact as thick syrup has to chronometre.
+ * Excessive amount of unit-tests have this effect to development. If you do
+ * actually find _any_ bug from code in such environment and try fixing it...
+ * ...chances are you also need to fix the test cases. In sunny day you fix one
+ * test. But I've done refactoring which resulted 500+ broken tests (which had
+ * really zero value other than proving to managers that we do do "quality")...
+ *
+ * After this being said - there are situations where UTs can be handy. If you
+ * have algorithms which take some input and should produce output - then you
+ * can implement few, carefully selected simple UT-cases which test this. I've
+ * previously used this for example for netlink and device-tree data parsing
+ * functions. Feed some data examples to functions and verify the output is as
+ * expected. I am not covering all the cases but I will see the logic should be
+ * working.
+ *
+ * Here we also do some minor testing. I don't want to go through all branches
+ * or test more or less obvious things - but I want to see the main logic is
+ * working. And I definitely don't want to add 500+ test cases that break when
+ * some simple fix is done x_x. So - let's only add few, well selected tests
+ * which ensure as much logic is good as possible.
+ */
+
+/*
+ * Test Range 1:
+ * selectors: 2 3 4 5 6
+ * values (5): 10 20 30 40 50
+ *
+ * Test Range 2:
+ * selectors: 7 8 9 10
+ * values (4): 100 150 200 250
+ */
+
+#define RANGE1_MIN 10
+#define RANGE1_MIN_SEL 2
+#define RANGE1_STEP 10
+
+/* 2, 3, 4, 5, 6 */
+static const unsigned int range1_sels[] = { RANGE1_MIN_SEL, RANGE1_MIN_SEL + 1,
+ RANGE1_MIN_SEL + 2,
+ RANGE1_MIN_SEL + 3,
+ RANGE1_MIN_SEL + 4 };
+/* 10, 20, 30, 40, 50 */
+static const unsigned int range1_vals[] = { RANGE1_MIN, RANGE1_MIN +
+ RANGE1_STEP,
+ RANGE1_MIN + RANGE1_STEP * 2,
+ RANGE1_MIN + RANGE1_STEP * 3,
+ RANGE1_MIN + RANGE1_STEP * 4 };
+
+#define RANGE2_MIN 100
+#define RANGE2_MIN_SEL 7
+#define RANGE2_STEP 50
+
+/* 7, 8, 9, 10 */
+static const unsigned int range2_sels[] = { RANGE2_MIN_SEL, RANGE2_MIN_SEL + 1,
+ RANGE2_MIN_SEL + 2,
+ RANGE2_MIN_SEL + 3 };
+/* 100, 150, 200, 250 */
+static const unsigned int range2_vals[] = { RANGE2_MIN, RANGE2_MIN +
+ RANGE2_STEP,
+ RANGE2_MIN + RANGE2_STEP * 2,
+ RANGE2_MIN + RANGE2_STEP * 3 };
+
+#define RANGE1_NUM_VALS (ARRAY_SIZE(range1_vals))
+#define RANGE2_NUM_VALS (ARRAY_SIZE(range2_vals))
+#define RANGE_NUM_VALS (RANGE1_NUM_VALS + RANGE2_NUM_VALS)
+
+#define RANGE1_MAX_SEL (RANGE1_MIN_SEL + RANGE1_NUM_VALS - 1)
+#define RANGE1_MAX_VAL (range1_vals[RANGE1_NUM_VALS - 1])
+
+#define RANGE2_MAX_SEL (RANGE2_MIN_SEL + RANGE2_NUM_VALS - 1)
+#define RANGE2_MAX_VAL (range2_vals[RANGE2_NUM_VALS - 1])
+
+#define SMALLEST_SEL RANGE1_MIN_SEL
+#define SMALLEST_VAL RANGE1_MIN
+
+static struct linear_range testr[] = {
+ {
+ .min = RANGE1_MIN,
+ .min_sel = RANGE1_MIN_SEL,
+ .max_sel = RANGE1_MAX_SEL,
+ .step = RANGE1_STEP,
+ }, {
+ .min = RANGE2_MIN,
+ .min_sel = RANGE2_MIN_SEL,
+ .max_sel = RANGE2_MAX_SEL,
+ .step = RANGE2_STEP
+ },
+};
+
+static void range_test_get_value(struct kunit *test)
+{
+ int ret, i;
+ unsigned int sel, val;
+
+ for (i = 0; i < RANGE1_NUM_VALS; i++) {
+ sel = range1_sels[i];
+ ret = linear_range_get_value_array(&testr[0], 2, sel, &val);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, val, range1_vals[i]);
+ }
+ for (i = 0; i < RANGE2_NUM_VALS; i++) {
+ sel = range2_sels[i];
+ ret = linear_range_get_value_array(&testr[0], 2, sel, &val);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, val, range2_vals[i]);
+ }
+ ret = linear_range_get_value_array(&testr[0], 2, sel + 1, &val);
+ KUNIT_EXPECT_NE(test, 0, ret);
+}
+
+static void range_test_get_selector_high(struct kunit *test)
+{
+ int ret, i;
+ unsigned int sel;
+ bool found;
+
+ for (i = 0; i < RANGE1_NUM_VALS; i++) {
+ ret = linear_range_get_selector_high(&testr[0], range1_vals[i],
+ &sel, &found);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, sel, range1_sels[i]);
+ KUNIT_EXPECT_TRUE(test, found);
+ }
+
+ ret = linear_range_get_selector_high(&testr[0], RANGE1_MAX_VAL + 1,
+ &sel, &found);
+ KUNIT_EXPECT_LE(test, ret, 0);
+
+ ret = linear_range_get_selector_high(&testr[0], RANGE1_MIN - 1,
+ &sel, &found);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_FALSE(test, found);
+ KUNIT_EXPECT_EQ(test, sel, range1_sels[0]);
+}
+
+static void range_test_get_value_amount(struct kunit *test)
+{
+ int ret;
+
+ ret = linear_range_values_in_range_array(&testr[0], 2);
+ KUNIT_EXPECT_EQ(test, (int)RANGE_NUM_VALS, ret);
+}
+
+static void range_test_get_selector_low(struct kunit *test)
+{
+ int i, ret;
+ unsigned int sel;
+ bool found;
+
+ for (i = 0; i < RANGE1_NUM_VALS; i++) {
+ ret = linear_range_get_selector_low_array(&testr[0], 2,
+ range1_vals[i], &sel,
+ &found);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, sel, range1_sels[i]);
+ KUNIT_EXPECT_TRUE(test, found);
+ }
+ for (i = 0; i < RANGE2_NUM_VALS; i++) {
+ ret = linear_range_get_selector_low_array(&testr[0], 2,
+ range2_vals[i], &sel,
+ &found);
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, sel, range2_sels[i]);
+ KUNIT_EXPECT_TRUE(test, found);
+ }
+
+ /*
+ * Seek value greater than range max => get_selector_*_low should
+ * return Ok - but set found to false as value is not in range
+ */
+ ret = linear_range_get_selector_low_array(&testr[0], 2,
+ range2_vals[RANGE2_NUM_VALS - 1] + 1,
+ &sel, &found);
+
+ KUNIT_EXPECT_EQ(test, 0, ret);
+ KUNIT_EXPECT_EQ(test, sel, range2_sels[RANGE2_NUM_VALS - 1]);
+ KUNIT_EXPECT_FALSE(test, found);
+}
+
+static struct kunit_case range_test_cases[] = {
+ KUNIT_CASE(range_test_get_value_amount),
+ KUNIT_CASE(range_test_get_selector_high),
+ KUNIT_CASE(range_test_get_selector_low),
+ KUNIT_CASE(range_test_get_value),
+ {},
+};
+
+static struct kunit_suite range_test_module = {
+ .name = "linear-ranges-test",
+ .test_cases = range_test_cases,
+};
+
+kunit_test_suites(&range_test_module);
+
+MODULE_LICENSE("GPL");
diff --git a/lib/test_printf.c b/lib/test_printf.c
index 2d9f520d2f27..7d60f24240a4 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -214,6 +214,7 @@ test_string(void)
#define PTR_STR "ffff0123456789ab"
#define PTR_VAL_NO_CRNG "(____ptrval____)"
#define ZEROS "00000000" /* hex 32 zero bits */
+#define ONES "ffffffff" /* hex 32 one bits */
static int __init
plain_format(void)
@@ -245,6 +246,7 @@ plain_format(void)
#define PTR_STR "456789ab"
#define PTR_VAL_NO_CRNG "(ptrval)"
#define ZEROS ""
+#define ONES ""
static int __init
plain_format(void)
@@ -330,14 +332,28 @@ test_hashed(const char *fmt, const void *p)
test(buf, fmt, p);
}
+/*
+ * NULL pointers aren't hashed.
+ */
static void __init
null_pointer(void)
{
- test_hashed("%p", NULL);
+ test(ZEROS "00000000", "%p", NULL);
test(ZEROS "00000000", "%px", NULL);
test("(null)", "%pE", NULL);
}
+/*
+ * Error pointers aren't hashed.
+ */
+static void __init
+error_pointer(void)
+{
+ test(ONES "fffffff5", "%p", ERR_PTR(-11));
+ test(ONES "fffffff5", "%px", ERR_PTR(-11));
+ test("(efault)", "%pE", ERR_PTR(-11));
+}
+
#define PTR_INVALID ((void *)0x000000ab)
static void __init
@@ -478,7 +494,7 @@ struct_va_format(void)
}
static void __init
-struct_rtc_time(void)
+time_and_date(void)
{
/* 1543210543 */
const struct rtc_time tm = {
@@ -489,14 +505,21 @@ struct_rtc_time(void)
.tm_mon = 10,
.tm_year = 118,
};
+ /* 2019-01-04T15:32:23 */
+ time64_t t = 1546615943;
- test("(%ptR?)", "%pt", &tm);
+ test("(%pt?)", "%pt", &tm);
test("2018-11-26T05:35:43", "%ptR", &tm);
test("0118-10-26T05:35:43", "%ptRr", &tm);
test("05:35:43|2018-11-26", "%ptRt|%ptRd", &tm, &tm);
test("05:35:43|0118-10-26", "%ptRtr|%ptRdr", &tm, &tm);
test("05:35:43|2018-11-26", "%ptRttr|%ptRdtr", &tm, &tm);
test("05:35:43 tr|2018-11-26 tr", "%ptRt tr|%ptRd tr", &tm, &tm);
+
+ test("2019-01-04T15:32:23", "%ptT", &t);
+ test("0119-00-04T15:32:23", "%ptTr", &t);
+ test("15:32:23|2019-01-04", "%ptTt|%ptTd", &t, &t);
+ test("15:32:23|0119-00-04", "%ptTtr|%ptTdr", &t, &t);
}
static void __init
@@ -649,6 +672,7 @@ test_pointer(void)
{
plain();
null_pointer();
+ error_pointer();
invalid_pointer();
symbol_ptr();
kernel_ptr();
@@ -661,7 +685,7 @@ test_pointer(void)
uuid();
dentry();
struct_va_format();
- struct_rtc_time();
+ time_and_date();
struct_clk();
bitmap();
netdev_features();
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c
index 8bbefcaddfe8..ddc9685702b1 100644
--- a/lib/test_vmalloc.c
+++ b/lib/test_vmalloc.c
@@ -91,12 +91,8 @@ static int random_size_align_alloc_test(void)
*/
size = ((rnd % 10) + 1) * PAGE_SIZE;
- ptr = __vmalloc_node_range(size, align,
- VMALLOC_START, VMALLOC_END,
- GFP_KERNEL | __GFP_ZERO,
- PAGE_KERNEL,
- 0, 0, __builtin_return_address(0));
-
+ ptr = __vmalloc_node(size, align, GFP_KERNEL | __GFP_ZERO, 0,
+ __builtin_return_address(0));
if (!ptr)
return -1;
@@ -118,12 +114,8 @@ static int align_shift_alloc_test(void)
for (i = 0; i < BITS_PER_LONG; i++) {
align = ((unsigned long) 1) << i;
- ptr = __vmalloc_node_range(PAGE_SIZE, align,
- VMALLOC_START, VMALLOC_END,
- GFP_KERNEL | __GFP_ZERO,
- PAGE_KERNEL,
- 0, 0, __builtin_return_address(0));
-
+ ptr = __vmalloc_node(PAGE_SIZE, align, GFP_KERNEL|__GFP_ZERO, 0,
+ __builtin_return_address(0));
if (!ptr)
return -1;
@@ -139,13 +131,9 @@ static int fix_align_alloc_test(void)
int i;
for (i = 0; i < test_loop_count; i++) {
- ptr = __vmalloc_node_range(5 * PAGE_SIZE,
- THREAD_ALIGN << 1,
- VMALLOC_START, VMALLOC_END,
- GFP_KERNEL | __GFP_ZERO,
- PAGE_KERNEL,
- 0, 0, __builtin_return_address(0));
-
+ ptr = __vmalloc_node(5 * PAGE_SIZE, THREAD_ALIGN << 1,
+ GFP_KERNEL | __GFP_ZERO, 0,
+ __builtin_return_address(0));
if (!ptr)
return -1;
diff --git a/lib/usercopy.c b/lib/usercopy.c
index cbb4d9ec00f2..ca2a697a2061 100644
--- a/lib/usercopy.c
+++ b/lib/usercopy.c
@@ -58,7 +58,7 @@ int check_zeroed_user(const void __user *from, size_t size)
from -= align;
size += align;
- if (!user_access_begin(from, size))
+ if (!user_read_access_begin(from, size))
return -EFAULT;
unsafe_get_user(val, (unsigned long __user *) from, err_fault);
@@ -79,10 +79,10 @@ int check_zeroed_user(const void __user *from, size_t size)
val &= aligned_byte_mask(size);
done:
- user_access_end();
+ user_read_access_end();
return (val == 0);
err_fault:
- user_access_end();
+ user_read_access_end();
return -EFAULT;
}
EXPORT_SYMBOL(check_zeroed_user);
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 7c488a1ce318..259e55895933 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -34,6 +34,7 @@
#include <linux/dcache.h>
#include <linux/cred.h>
#include <linux/rtc.h>
+#include <linux/time.h>
#include <linux/uuid.h>
#include <linux/of.h>
#include <net/addrconf.h>
@@ -58,7 +59,7 @@
* @endp: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*
- * This function is obsolete. Please use kstrtoull instead.
+ * This function has caveats. Please use kstrtoull instead.
*/
unsigned long long simple_strtoull(const char *cp, char **endp, unsigned int base)
{
@@ -83,7 +84,7 @@ EXPORT_SYMBOL(simple_strtoull);
* @endp: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*
- * This function is obsolete. Please use kstrtoul instead.
+ * This function has caveats. Please use kstrtoul instead.
*/
unsigned long simple_strtoul(const char *cp, char **endp, unsigned int base)
{
@@ -97,7 +98,7 @@ EXPORT_SYMBOL(simple_strtoul);
* @endp: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*
- * This function is obsolete. Please use kstrtol instead.
+ * This function has caveats. Please use kstrtol instead.
*/
long simple_strtol(const char *cp, char **endp, unsigned int base)
{
@@ -114,7 +115,7 @@ EXPORT_SYMBOL(simple_strtol);
* @endp: A pointer to the end of the parsed string will be placed here
* @base: The number base to use
*
- * This function is obsolete. Please use kstrtoll instead.
+ * This function has caveats. Please use kstrtoll instead.
*/
long long simple_strtoll(const char *cp, char **endp, unsigned int base)
{
@@ -794,6 +795,13 @@ static char *ptr_to_id(char *buf, char *end, const void *ptr,
unsigned long hashval;
int ret;
+ /*
+ * Print the real pointer value for NULL and error pointers,
+ * as they are not actual addresses.
+ */
+ if (IS_ERR_OR_NULL(ptr))
+ return pointer_string(buf, end, ptr, spec);
+
/* When debugging early boot use non-cryptographically secure hash. */
if (unlikely(debug_boot_weak_hash)) {
hashval = hash_long((unsigned long)ptr, 32);
@@ -1820,14 +1828,39 @@ char *rtc_str(char *buf, char *end, const struct rtc_time *tm,
}
static noinline_for_stack
+char *time64_str(char *buf, char *end, const time64_t time,
+ struct printf_spec spec, const char *fmt)
+{
+ struct rtc_time rtc_time;
+ struct tm tm;
+
+ time64_to_tm(time, 0, &tm);
+
+ rtc_time.tm_sec = tm.tm_sec;
+ rtc_time.tm_min = tm.tm_min;
+ rtc_time.tm_hour = tm.tm_hour;
+ rtc_time.tm_mday = tm.tm_mday;
+ rtc_time.tm_mon = tm.tm_mon;
+ rtc_time.tm_year = tm.tm_year;
+ rtc_time.tm_wday = tm.tm_wday;
+ rtc_time.tm_yday = tm.tm_yday;
+
+ rtc_time.tm_isdst = 0;
+
+ return rtc_str(buf, end, &rtc_time, spec, fmt);
+}
+
+static noinline_for_stack
char *time_and_date(char *buf, char *end, void *ptr, struct printf_spec spec,
const char *fmt)
{
switch (fmt[1]) {
case 'R':
return rtc_str(buf, end, (const struct rtc_time *)ptr, spec, fmt);
+ case 'T':
+ return time64_str(buf, end, *(const time64_t *)ptr, spec, fmt);
default:
- return error_string(buf, end, "(%ptR?)", spec);
+ return error_string(buf, end, "(%pt?)", spec);
}
}
@@ -2143,8 +2176,9 @@ char *fwnode_string(char *buf, char *end, struct fwnode_handle *fwnode,
* - 'd[234]' For a dentry name (optionally 2-4 last components)
* - 'D[234]' Same as 'd' but for a struct file
* - 'g' For block_device name (gendisk + partition number)
- * - 't[R][dt][r]' For time and date as represented:
+ * - 't[RT][dt][r]' For time and date as represented by:
* R struct rtc_time
+ * T time64_t
* - 'C' For a clock, it prints the name (Common Clock Framework) or address
* (legacy clock framework) of the clock
* - 'Cn' For a clock, it prints the name (Common Clock Framework) or address
@@ -2168,6 +2202,10 @@ char *fwnode_string(char *buf, char *end, struct fwnode_handle *fwnode,
* f full name
* P node name, including a possible unit address
* - 'x' For printing the address. Equivalent to "%lx".
+ * - '[ku]s' For a BPF/tracing related format specifier, e.g. used out of
+ * bpf_trace_printk() where [ku] prefix specifies either kernel (k)
+ * or user (u) memory to probe, and:
+ * s a string, equivalent to "%s" on direct vsnprintf() use
*
* ** When making changes please also update:
* Documentation/core-api/printk-formats.rst
@@ -2251,6 +2289,14 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
if (!IS_ERR(ptr))
break;
return err_ptr(buf, end, ptr, spec);
+ case 'u':
+ case 'k':
+ switch (fmt[1]) {
+ case 's':
+ return string(buf, end, ptr, spec);
+ default:
+ return error_string(buf, end, "(einval)", spec);
+ }
}
/* default is to _not_ leak addresses, hash before printing */
diff --git a/mm/Kconfig b/mm/Kconfig
index c1acc34c1c35..e3490ecac839 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -126,9 +126,6 @@ config SPARSEMEM_VMEMMAP
pfn_to_page and page_to_pfn operations. This is the most
efficient option when sufficient kernel resources are available.
-config HAVE_MEMBLOCK_NODE_MAP
- bool
-
config HAVE_MEMBLOCK_PHYS_MAP
bool
@@ -705,9 +702,9 @@ config ZSMALLOC
returned by an alloc(). This handle must be mapped in order to
access the allocated space.
-config PGTABLE_MAPPING
+config ZSMALLOC_PGTABLE_MAPPING
bool "Use page table mapping to access object in zsmalloc"
- depends on ZSMALLOC
+ depends on ZSMALLOC=y
help
By default, zsmalloc uses a copy-based object mapping method to
access allocations that span two pages. However, if a particular
@@ -750,13 +747,13 @@ config DEFERRED_STRUCT_PAGE_INIT
depends on SPARSEMEM
depends on !NEED_PER_CPU_KM
depends on 64BIT
+ select PADATA
help
Ordinarily all struct pages are initialised during early boot in a
single thread. On very large machines this can take a considerable
amount of time. If this option is set, large machines will bring up
- a subset of memmap at boot and then initialise the rest in parallel
- by starting one-off "pgdatinitX" kernel thread for each node X. This
- has a potential performance impact on processes running early in the
+ a subset of memmap at boot and then initialise the rest in parallel.
+ This has a potential performance impact on tasks running early in the
lifetime of the system until these kthreads finish the
initialisation.
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 0271b22e063f..2409f7fc1567 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -118,6 +118,38 @@ config DEBUG_RODATA_TEST
---help---
This option enables a testcase for the setting rodata read-only.
+config ARCH_HAS_DEBUG_WX
+ bool
+
+config DEBUG_WX
+ bool "Warn on W+X mappings at boot"
+ depends on ARCH_HAS_DEBUG_WX
+ depends on MMU
+ select PTDUMP_CORE
+ help
+ Generate a warning if any W+X mappings are found at boot.
+
+ This is useful for discovering cases where the kernel is leaving W+X
+ mappings after applying NX, as such mappings are a security risk.
+
+ Look for a message in dmesg output like this:
+
+ <arch>/mm: Checked W+X mappings: passed, no W+X pages found.
+
+ or like this, if the check failed:
+
+ <arch>/mm: Checked W+X mappings: failed, <N> W+X pages found.
+
+ Note that even if the check fails, your kernel is possibly
+ still fine, as W+X mappings are not a security hole in
+ themselves, what they do is that they make the exploitation
+ of other unfixed kernel bugs easier.
+
+ There is no runtime or memory usage effect of this option
+ once the kernel has booted up - it's a one time check.
+
+ If in doubt, say "Y".
+
config GENERIC_PTDUMP
bool
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index c81b4f3a7268..d382272bcc31 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -15,13 +15,12 @@
#include <trace/events/writeback.h>
struct backing_dev_info noop_backing_dev_info = {
- .name = "noop",
.capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
};
EXPORT_SYMBOL_GPL(noop_backing_dev_info);
static struct class *bdi_class;
-const char *bdi_unknown_name = "(unknown)";
+static const char *bdi_unknown_name = "(unknown)";
/*
* bdi_lock protects bdi_tree and updates to bdi_list. bdi_list has RCU
@@ -865,12 +864,11 @@ static int bdi_init(struct backing_dev_info *bdi)
return ret;
}
-struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id)
+struct backing_dev_info *bdi_alloc(int node_id)
{
struct backing_dev_info *bdi;
- bdi = kmalloc_node(sizeof(struct backing_dev_info),
- gfp_mask | __GFP_ZERO, node_id);
+ bdi = kzalloc_node(sizeof(*bdi), GFP_KERNEL, node_id);
if (!bdi)
return NULL;
@@ -880,7 +878,7 @@ struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id)
}
return bdi;
}
-EXPORT_SYMBOL(bdi_alloc_node);
+EXPORT_SYMBOL(bdi_alloc);
static struct rb_node **bdi_lookup_rb_node(u64 id, struct rb_node **parentp)
{
@@ -938,7 +936,8 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args)
if (bdi->dev) /* The driver needs to use separate queues per device */
return 0;
- dev = device_create_vargs(bdi_class, NULL, MKDEV(0, 0), bdi, fmt, args);
+ vsnprintf(bdi->dev_name, sizeof(bdi->dev_name), fmt, args);
+ dev = device_create(bdi_class, NULL, MKDEV(0, 0), bdi, bdi->dev_name);
if (IS_ERR(dev))
return PTR_ERR(dev);
@@ -963,7 +962,6 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args)
trace_writeback_bdi_register(bdi);
return 0;
}
-EXPORT_SYMBOL(bdi_register_va);
int bdi_register(struct backing_dev_info *bdi, const char *fmt, ...)
{
@@ -977,20 +975,12 @@ int bdi_register(struct backing_dev_info *bdi, const char *fmt, ...)
}
EXPORT_SYMBOL(bdi_register);
-int bdi_register_owner(struct backing_dev_info *bdi, struct device *owner)
+void bdi_set_owner(struct backing_dev_info *bdi, struct device *owner)
{
- int rc;
-
- rc = bdi_register(bdi, "%u:%u", MAJOR(owner->devt), MINOR(owner->devt));
- if (rc)
- return rc;
- /* Leaking owner reference... */
- WARN_ON(bdi->owner);
+ WARN_ON_ONCE(bdi->owner);
bdi->owner = owner;
get_device(owner);
- return 0;
}
-EXPORT_SYMBOL(bdi_register_owner);
/*
* Remove bdi from bdi_list, and ensure that it is no longer visible
@@ -1043,6 +1033,14 @@ void bdi_put(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL(bdi_put);
+const char *bdi_dev_name(struct backing_dev_info *bdi)
+{
+ if (!bdi || !bdi->dev)
+ return bdi_unknown_name;
+ return bdi->dev_name;
+}
+EXPORT_SYMBOL_GPL(bdi_dev_name);
+
static wait_queue_head_t congestion_wqh[2] = {
__WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[0]),
__WAIT_QUEUE_HEAD_INITIALIZER(congestion_wqh[1])
diff --git a/mm/compaction.c b/mm/compaction.c
index 46f0fcc93081..14d2fe231ea4 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1409,7 +1409,9 @@ fast_isolate_freepages(struct compact_control *cc)
cc->free_pfn = highest;
} else {
if (cc->direct_compaction && pfn_valid(min_pfn)) {
- page = pfn_to_page(min_pfn);
+ page = pageblock_pfn_to_page(min_pfn,
+ pageblock_end_pfn(min_pfn),
+ cc->zone);
cc->free_pfn = min_pfn;
}
}
@@ -1966,7 +1968,7 @@ static enum compact_result compact_finished(struct compact_control *cc)
*/
static enum compact_result __compaction_suitable(struct zone *zone, int order,
unsigned int alloc_flags,
- int classzone_idx,
+ int highest_zoneidx,
unsigned long wmark_target)
{
unsigned long watermark;
@@ -1979,7 +1981,7 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order,
* If watermarks for high-order allocation are already met, there
* should be no need for compaction at all.
*/
- if (zone_watermark_ok(zone, order, watermark, classzone_idx,
+ if (zone_watermark_ok(zone, order, watermark, highest_zoneidx,
alloc_flags))
return COMPACT_SUCCESS;
@@ -1989,9 +1991,9 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order,
* watermark and alloc_flags have to match, or be more pessimistic than
* the check in __isolate_free_page(). We don't use the direct
* compactor's alloc_flags, as they are not relevant for freepage
- * isolation. We however do use the direct compactor's classzone_idx to
- * skip over zones where lowmem reserves would prevent allocation even
- * if compaction succeeds.
+ * isolation. We however do use the direct compactor's highest_zoneidx
+ * to skip over zones where lowmem reserves would prevent allocation
+ * even if compaction succeeds.
* For costly orders, we require low watermark instead of min for
* compaction to proceed to increase its chances.
* ALLOC_CMA is used, as pages in CMA pageblocks are considered
@@ -2000,7 +2002,7 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order,
watermark = (order > PAGE_ALLOC_COSTLY_ORDER) ?
low_wmark_pages(zone) : min_wmark_pages(zone);
watermark += compact_gap(order);
- if (!__zone_watermark_ok(zone, 0, watermark, classzone_idx,
+ if (!__zone_watermark_ok(zone, 0, watermark, highest_zoneidx,
ALLOC_CMA, wmark_target))
return COMPACT_SKIPPED;
@@ -2009,12 +2011,12 @@ static enum compact_result __compaction_suitable(struct zone *zone, int order,
enum compact_result compaction_suitable(struct zone *zone, int order,
unsigned int alloc_flags,
- int classzone_idx)
+ int highest_zoneidx)
{
enum compact_result ret;
int fragindex;
- ret = __compaction_suitable(zone, order, alloc_flags, classzone_idx,
+ ret = __compaction_suitable(zone, order, alloc_flags, highest_zoneidx,
zone_page_state(zone, NR_FREE_PAGES));
/*
* fragmentation index determines if allocation failures are due to
@@ -2055,8 +2057,8 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
* Make sure at least one zone would pass __compaction_suitable if we continue
* retrying the reclaim.
*/
- for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
- ac->nodemask) {
+ for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
+ ac->highest_zoneidx, ac->nodemask) {
unsigned long available;
enum compact_result compact_result;
@@ -2069,7 +2071,7 @@ bool compaction_zonelist_suitable(struct alloc_context *ac, int order,
available = zone_reclaimable_pages(zone) / order;
available += zone_page_state_snapshot(zone, NR_FREE_PAGES);
compact_result = __compaction_suitable(zone, order, alloc_flags,
- ac_classzone_idx(ac), available);
+ ac->highest_zoneidx, available);
if (compact_result != COMPACT_SKIPPED)
return true;
}
@@ -2098,9 +2100,9 @@ compact_zone(struct compact_control *cc, struct capture_control *capc)
INIT_LIST_HEAD(&cc->freepages);
INIT_LIST_HEAD(&cc->migratepages);
- cc->migratetype = gfpflags_to_migratetype(cc->gfp_mask);
+ cc->migratetype = gfp_migratetype(cc->gfp_mask);
ret = compaction_suitable(cc->zone, cc->order, cc->alloc_flags,
- cc->classzone_idx);
+ cc->highest_zoneidx);
/* Compaction is likely to fail */
if (ret == COMPACT_SUCCESS || ret == COMPACT_SKIPPED)
return ret;
@@ -2243,15 +2245,11 @@ check_drain:
* would succeed.
*/
if (cc->order > 0 && last_migrated_pfn) {
- int cpu;
unsigned long current_block_start =
block_start_pfn(cc->migrate_pfn, cc->order);
if (last_migrated_pfn < current_block_start) {
- cpu = get_cpu();
- lru_add_drain_cpu(cpu);
- drain_local_pages(cc->zone);
- put_cpu();
+ lru_add_drain_cpu_zone(cc->zone);
/* No more flushing until we migrate again */
last_migrated_pfn = 0;
}
@@ -2295,7 +2293,7 @@ out:
static enum compact_result compact_zone_order(struct zone *zone, int order,
gfp_t gfp_mask, enum compact_priority prio,
- unsigned int alloc_flags, int classzone_idx,
+ unsigned int alloc_flags, int highest_zoneidx,
struct page **capture)
{
enum compact_result ret;
@@ -2307,7 +2305,7 @@ static enum compact_result compact_zone_order(struct zone *zone, int order,
.mode = (prio == COMPACT_PRIO_ASYNC) ?
MIGRATE_ASYNC : MIGRATE_SYNC_LIGHT,
.alloc_flags = alloc_flags,
- .classzone_idx = classzone_idx,
+ .highest_zoneidx = highest_zoneidx,
.direct_compaction = true,
.whole_zone = (prio == MIN_COMPACT_PRIORITY),
.ignore_skip_hint = (prio == MIN_COMPACT_PRIORITY),
@@ -2363,8 +2361,8 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order,
trace_mm_compaction_try_to_compact_pages(order, gfp_mask, prio);
/* Compact each zone in the list */
- for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
- ac->nodemask) {
+ for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
+ ac->highest_zoneidx, ac->nodemask) {
enum compact_result status;
if (prio > MIN_COMPACT_PRIORITY
@@ -2374,7 +2372,7 @@ enum compact_result try_to_compact_pages(gfp_t gfp_mask, unsigned int order,
}
status = compact_zone_order(zone, order, gfp_mask, prio,
- alloc_flags, ac_classzone_idx(ac), capture);
+ alloc_flags, ac->highest_zoneidx, capture);
rc = max(status, rc);
/* The allocation should succeed, stop compacting */
@@ -2463,7 +2461,7 @@ int sysctl_compact_memory;
* /proc/sys/vm/compact_memory
*/
int sysctl_compaction_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
if (write)
compact_nodes();
@@ -2509,16 +2507,16 @@ static bool kcompactd_node_suitable(pg_data_t *pgdat)
{
int zoneid;
struct zone *zone;
- enum zone_type classzone_idx = pgdat->kcompactd_classzone_idx;
+ enum zone_type highest_zoneidx = pgdat->kcompactd_highest_zoneidx;
- for (zoneid = 0; zoneid <= classzone_idx; zoneid++) {
+ for (zoneid = 0; zoneid <= highest_zoneidx; zoneid++) {
zone = &pgdat->node_zones[zoneid];
if (!populated_zone(zone))
continue;
if (compaction_suitable(zone, pgdat->kcompactd_max_order, 0,
- classzone_idx) == COMPACT_CONTINUE)
+ highest_zoneidx) == COMPACT_CONTINUE)
return true;
}
@@ -2536,16 +2534,16 @@ static void kcompactd_do_work(pg_data_t *pgdat)
struct compact_control cc = {
.order = pgdat->kcompactd_max_order,
.search_order = pgdat->kcompactd_max_order,
- .classzone_idx = pgdat->kcompactd_classzone_idx,
+ .highest_zoneidx = pgdat->kcompactd_highest_zoneidx,
.mode = MIGRATE_SYNC_LIGHT,
.ignore_skip_hint = false,
.gfp_mask = GFP_KERNEL,
};
trace_mm_compaction_kcompactd_wake(pgdat->node_id, cc.order,
- cc.classzone_idx);
+ cc.highest_zoneidx);
count_compact_event(KCOMPACTD_WAKE);
- for (zoneid = 0; zoneid <= cc.classzone_idx; zoneid++) {
+ for (zoneid = 0; zoneid <= cc.highest_zoneidx; zoneid++) {
int status;
zone = &pgdat->node_zones[zoneid];
@@ -2594,16 +2592,16 @@ static void kcompactd_do_work(pg_data_t *pgdat)
/*
* Regardless of success, we are done until woken up next. But remember
- * the requested order/classzone_idx in case it was higher/tighter than
- * our current ones
+ * the requested order/highest_zoneidx in case it was higher/tighter
+ * than our current ones
*/
if (pgdat->kcompactd_max_order <= cc.order)
pgdat->kcompactd_max_order = 0;
- if (pgdat->kcompactd_classzone_idx >= cc.classzone_idx)
- pgdat->kcompactd_classzone_idx = pgdat->nr_zones - 1;
+ if (pgdat->kcompactd_highest_zoneidx >= cc.highest_zoneidx)
+ pgdat->kcompactd_highest_zoneidx = pgdat->nr_zones - 1;
}
-void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
+void wakeup_kcompactd(pg_data_t *pgdat, int order, int highest_zoneidx)
{
if (!order)
return;
@@ -2611,8 +2609,8 @@ void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
if (pgdat->kcompactd_max_order < order)
pgdat->kcompactd_max_order = order;
- if (pgdat->kcompactd_classzone_idx > classzone_idx)
- pgdat->kcompactd_classzone_idx = classzone_idx;
+ if (pgdat->kcompactd_highest_zoneidx > highest_zoneidx)
+ pgdat->kcompactd_highest_zoneidx = highest_zoneidx;
/*
* Pairs with implicit barrier in wait_event_freezable()
@@ -2625,7 +2623,7 @@ void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx)
return;
trace_mm_compaction_wakeup_kcompactd(pgdat->node_id, order,
- classzone_idx);
+ highest_zoneidx);
wake_up_interruptible(&pgdat->kcompactd_wait);
}
@@ -2646,7 +2644,7 @@ static int kcompactd(void *p)
set_freezable();
pgdat->kcompactd_max_order = 0;
- pgdat->kcompactd_classzone_idx = pgdat->nr_zones - 1;
+ pgdat->kcompactd_highest_zoneidx = pgdat->nr_zones - 1;
while (!kthread_should_stop()) {
unsigned long pflags;
diff --git a/mm/debug.c b/mm/debug.c
index 2189357f0987..f2ede2df585a 100644
--- a/mm/debug.c
+++ b/mm/debug.c
@@ -110,13 +110,57 @@ void __dump_page(struct page *page, const char *reason)
else if (PageAnon(page))
type = "anon ";
else if (mapping) {
- if (mapping->host && mapping->host->i_dentry.first) {
- struct dentry *dentry;
- dentry = container_of(mapping->host->i_dentry.first, struct dentry, d_u.d_alias);
- pr_warn("%ps name:\"%pd\"\n", mapping->a_ops, dentry);
- } else
- pr_warn("%ps\n", mapping->a_ops);
+ const struct inode *host;
+ const struct address_space_operations *a_ops;
+ const struct hlist_node *dentry_first;
+ const struct dentry *dentry_ptr;
+ struct dentry dentry;
+
+ /*
+ * mapping can be invalid pointer and we don't want to crash
+ * accessing it, so probe everything depending on it carefully
+ */
+ if (probe_kernel_read_strict(&host, &mapping->host,
+ sizeof(struct inode *)) ||
+ probe_kernel_read_strict(&a_ops, &mapping->a_ops,
+ sizeof(struct address_space_operations *))) {
+ pr_warn("failed to read mapping->host or a_ops, mapping not a valid kernel address?\n");
+ goto out_mapping;
+ }
+
+ if (!host) {
+ pr_warn("mapping->a_ops:%ps\n", a_ops);
+ goto out_mapping;
+ }
+
+ if (probe_kernel_read_strict(&dentry_first,
+ &host->i_dentry.first, sizeof(struct hlist_node *))) {
+ pr_warn("mapping->a_ops:%ps with invalid mapping->host inode address %px\n",
+ a_ops, host);
+ goto out_mapping;
+ }
+
+ if (!dentry_first) {
+ pr_warn("mapping->a_ops:%ps\n", a_ops);
+ goto out_mapping;
+ }
+
+ dentry_ptr = container_of(dentry_first, struct dentry, d_u.d_alias);
+ if (probe_kernel_read_strict(&dentry, dentry_ptr,
+ sizeof(struct dentry))) {
+ pr_warn("mapping->aops:%ps with invalid mapping->host->i_dentry.first %px\n",
+ a_ops, dentry_ptr);
+ } else {
+ /*
+ * if dentry is corrupted, the %pd handler may still
+ * crash, but it's unlikely that we reach here with a
+ * corrupted struct page
+ */
+ pr_warn("mapping->aops:%ps dentry name:\"%pd\"\n",
+ a_ops, &dentry);
+ }
}
+out_mapping:
BUILD_BUG_ON(ARRAY_SIZE(pageflag_names) != __NR_PAGEFLAGS + 1);
pr_warn("%sflags: %#lx(%pGp)%s\n", type, page->flags, &page->flags,
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 4f17c83db575..0e66f2aaeea3 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -22,6 +22,8 @@
#include <asm/unistd.h>
+#include "internal.h"
+
/*
* POSIX_FADV_WILLNEED could set PG_Referenced, and POSIX_FADV_NOREUSE could
* deactivate the pages and clear PG_Referenced.
@@ -102,10 +104,6 @@ int generic_fadvise(struct file *file, loff_t offset, loff_t len, int advice)
if (!nrpages)
nrpages = ~0UL;
- /*
- * Ignore return value because fadvise() shall return
- * success even if filesystem can't retrieve a hint,
- */
force_page_cache_readahead(mapping, file, start_index, nrpages);
break;
case POSIX_FADV_NOREUSE:
diff --git a/mm/filemap.c b/mm/filemap.c
index 23a051a7ef0f..455990621989 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -199,9 +199,9 @@ static void unaccount_page_cache_page(struct address_space *mapping,
nr = hpage_nr_pages(page);
- __mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, -nr);
+ __mod_lruvec_page_state(page, NR_FILE_PAGES, -nr);
if (PageSwapBacked(page)) {
- __mod_node_page_state(page_pgdat(page), NR_SHMEM, -nr);
+ __mod_lruvec_page_state(page, NR_SHMEM, -nr);
if (PageTransHuge(page))
__dec_node_page_state(page, NR_SHMEM_THPS);
} else if (PageTransHuge(page)) {
@@ -802,21 +802,22 @@ int replace_page_cache_page(struct page *old, struct page *new, gfp_t gfp_mask)
new->mapping = mapping;
new->index = offset;
+ mem_cgroup_migrate(old, new);
+
xas_lock_irqsave(&xas, flags);
xas_store(&xas, new);
old->mapping = NULL;
/* hugetlb pages do not participate in page cache accounting. */
if (!PageHuge(old))
- __dec_node_page_state(new, NR_FILE_PAGES);
+ __dec_lruvec_page_state(old, NR_FILE_PAGES);
if (!PageHuge(new))
- __inc_node_page_state(new, NR_FILE_PAGES);
+ __inc_lruvec_page_state(new, NR_FILE_PAGES);
if (PageSwapBacked(old))
- __dec_node_page_state(new, NR_SHMEM);
+ __dec_lruvec_page_state(old, NR_SHMEM);
if (PageSwapBacked(new))
- __inc_node_page_state(new, NR_SHMEM);
+ __inc_lruvec_page_state(new, NR_SHMEM);
xas_unlock_irqrestore(&xas, flags);
- mem_cgroup_migrate(old, new);
if (freepage)
freepage(old);
put_page(old);
@@ -832,7 +833,6 @@ static int __add_to_page_cache_locked(struct page *page,
{
XA_STATE(xas, &mapping->i_pages, offset);
int huge = PageHuge(page);
- struct mem_cgroup *memcg;
int error;
void *old;
@@ -840,17 +840,16 @@ static int __add_to_page_cache_locked(struct page *page,
VM_BUG_ON_PAGE(PageSwapBacked(page), page);
mapping_set_update(&xas, mapping);
- if (!huge) {
- error = mem_cgroup_try_charge(page, current->mm,
- gfp_mask, &memcg, false);
- if (error)
- return error;
- }
-
get_page(page);
page->mapping = mapping;
page->index = offset;
+ if (!huge) {
+ error = mem_cgroup_charge(page, current->mm, gfp_mask);
+ if (error)
+ goto error;
+ }
+
do {
xas_lock_irq(&xas);
old = xas_load(&xas);
@@ -869,25 +868,23 @@ static int __add_to_page_cache_locked(struct page *page,
/* hugetlb pages do not participate in page cache accounting */
if (!huge)
- __inc_node_page_state(page, NR_FILE_PAGES);
+ __inc_lruvec_page_state(page, NR_FILE_PAGES);
unlock:
xas_unlock_irq(&xas);
} while (xas_nomem(&xas, gfp_mask & GFP_RECLAIM_MASK));
- if (xas_error(&xas))
+ if (xas_error(&xas)) {
+ error = xas_error(&xas);
goto error;
+ }
- if (!huge)
- mem_cgroup_commit_charge(page, memcg, false, false);
trace_mm_filemap_add_to_page_cache(page);
return 0;
error:
page->mapping = NULL;
/* Leave page->index set: truncation relies upon it */
- if (!huge)
- mem_cgroup_cancel_charge(page, memcg, false);
put_page(page);
- return xas_error(&xas);
+ return error;
}
ALLOW_ERROR_INJECTION(__add_to_page_cache_locked, ERRNO);
@@ -1991,7 +1988,7 @@ static void shrink_readahead_size_eio(struct file_ra_state *ra)
* * total number of bytes copied, including those the were already @written
* * negative error code if nothing was copied
*/
-static ssize_t generic_file_buffered_read(struct kiocb *iocb,
+ssize_t generic_file_buffered_read(struct kiocb *iocb,
struct iov_iter *iter, ssize_t written)
{
struct file *filp = iocb->ki_filp;
@@ -2243,6 +2240,7 @@ out:
file_accessed(filp);
return written ? written : error;
}
+EXPORT_SYMBOL_GPL(generic_file_buffered_read);
/**
* generic_file_read_iter - generic filesystem read routine
@@ -2566,7 +2564,6 @@ page_not_uptodate:
if (!error || error == AOP_TRUNCATED_PAGE)
goto retry_find;
- /* Things didn't work out. Return zero to tell the mm layer so. */
shrink_readahead_size_eio(ra);
return VM_FAULT_SIGBUS;
@@ -2636,7 +2633,7 @@ void filemap_map_pages(struct vm_fault *vmf,
if (vmf->pte)
vmf->pte += xas.xa_index - last_pgoff;
last_pgoff = xas.xa_index;
- if (alloc_set_pte(vmf, NULL, page))
+ if (alloc_set_pte(vmf, page))
goto unlock;
unlock_page(page);
goto next;
diff --git a/mm/gup.c b/mm/gup.c
index 6076df8e04a4..e19ff770eb4c 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -382,13 +382,22 @@ static int follow_pfn_pte(struct vm_area_struct *vma, unsigned long address,
}
/*
- * FOLL_FORCE can write to even unwritable pte's, but only
- * after we've gone through a COW cycle and they are dirty.
+ * FOLL_FORCE or a forced COW break can write even to unwritable pte's,
+ * but only after we've gone through a COW cycle and they are dirty.
*/
static inline bool can_follow_write_pte(pte_t pte, unsigned int flags)
{
- return pte_write(pte) ||
- ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pte_dirty(pte));
+ return pte_write(pte) || ((flags & FOLL_COW) && pte_dirty(pte));
+}
+
+/*
+ * A (separate) COW fault might break the page the other way and
+ * get_user_pages() would return the page from what is now the wrong
+ * VM. So we need to force a COW break at GUP time even for reads.
+ */
+static inline bool should_force_cow_break(struct vm_area_struct *vma, unsigned int flags)
+{
+ return is_cow_mapping(vma->vm_flags) && (flags & (FOLL_GET | FOLL_PIN));
}
static struct page *follow_page_pte(struct vm_area_struct *vma,
@@ -980,6 +989,7 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags)
* -- If nr_pages is >0, but no pages were pinned, returns -errno.
* -- If nr_pages is >0, and some pages were pinned, returns the number of
* pages pinned. Again, this may be less than nr_pages.
+ * -- 0 return value is possible when the fault would need to be retried.
*
* The caller is responsible for releasing returned @pages, via put_page().
*
@@ -1066,9 +1076,11 @@ static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
goto out;
}
if (is_vm_hugetlb_page(vma)) {
+ if (should_force_cow_break(vma, foll_flags))
+ foll_flags |= FOLL_WRITE;
i = follow_hugetlb_page(mm, vma, pages, vmas,
&start, &nr_pages, i,
- gup_flags, locked);
+ foll_flags, locked);
if (locked && *locked == 0) {
/*
* We've got a VM_FAULT_RETRY
@@ -1082,13 +1094,17 @@ static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
continue;
}
}
+
+ if (should_force_cow_break(vma, foll_flags))
+ foll_flags |= FOLL_WRITE;
+
retry:
/*
* If we have a pending SIGKILL, don't keep faulting pages and
* potentially allocating memory.
*/
if (fatal_signal_pending(current)) {
- ret = -ERESTARTSYS;
+ ret = -EINTR;
goto out;
}
cond_resched();
@@ -1168,7 +1184,7 @@ static bool vma_permits_fault(struct vm_area_struct *vma,
return true;
}
-/*
+/**
* fixup_user_fault() - manually resolve a user page fault
* @tsk: the task_struct to use for page fault accounting, or
* NULL if faults are not to be recorded.
@@ -1176,7 +1192,8 @@ static bool vma_permits_fault(struct vm_area_struct *vma,
* @address: user address
* @fault_flags:flags to pass down to handle_mm_fault()
* @unlocked: did we unlock the mmap_sem while retrying, maybe NULL if caller
- * does not allow retry
+ * does not allow retry. If NULL, the caller must guarantee
+ * that fault_flags does not contain FAULT_FLAG_ALLOW_RETRY.
*
* This is meant to be called in the specific scenario where for locking reasons
* we try to access user memory in atomic context (within a pagefault_disable()
@@ -1218,6 +1235,10 @@ retry:
if (!vma_permits_fault(vma, fault_flags))
return -EFAULT;
+ if ((fault_flags & FAULT_FLAG_KILLABLE) &&
+ fatal_signal_pending(current))
+ return -EINTR;
+
ret = handle_mm_fault(vma, address, fault_flags);
major |= ret & VM_FAULT_MAJOR;
if (ret & VM_FAULT_ERROR) {
@@ -1230,11 +1251,9 @@ retry:
if (ret & VM_FAULT_RETRY) {
down_read(&mm->mmap_sem);
- if (!(fault_flags & FAULT_FLAG_TRIED)) {
- *unlocked = true;
- fault_flags |= FAULT_FLAG_TRIED;
- goto retry;
- }
+ *unlocked = true;
+ fault_flags |= FAULT_FLAG_TRIED;
+ goto retry;
}
if (tsk) {
@@ -1247,6 +1266,10 @@ retry:
}
EXPORT_SYMBOL_GPL(fixup_user_fault);
+/*
+ * Please note that this function, unlike __get_user_pages will not
+ * return 0 for nr_pages > 0 without FOLL_NOWAIT
+ */
static __always_inline long __get_user_pages_locked(struct task_struct *tsk,
struct mm_struct *mm,
unsigned long start,
@@ -1837,7 +1860,7 @@ static long __get_user_pages_remote(struct task_struct *tsk,
gup_flags | FOLL_TOUCH | FOLL_REMOTE);
}
-/*
+/**
* get_user_pages_remote() - pin user pages in memory
* @tsk: the task_struct to use for page fault accounting, or
* NULL if faults are not to be recorded.
@@ -1868,13 +1891,13 @@ static long __get_user_pages_remote(struct task_struct *tsk,
*
* Must be called with mmap_sem held for read or write.
*
- * get_user_pages walks a process's page tables and takes a reference to
- * each struct page that each user address corresponds to at a given
+ * get_user_pages_remote walks a process's page tables and takes a reference
+ * to each struct page that each user address corresponds to at a given
* instant. That is, it takes the page that would be accessed if a user
* thread accesses the given user virtual address at that instant.
*
* This does not guarantee that the page exists in the user mappings when
- * get_user_pages returns, and there may even be a completely different
+ * get_user_pages_remote returns, and there may even be a completely different
* page there in some cases (eg. if mmapped pagecache has been invalidated
* and subsequently re faulted). However it does guarantee that the page
* won't be freed completely. And mostly callers simply care that the page
@@ -1886,17 +1909,17 @@ static long __get_user_pages_remote(struct task_struct *tsk,
* is written to, set_page_dirty (or set_page_dirty_lock, as appropriate) must
* be called after the page is finished with, and before put_page is called.
*
- * get_user_pages is typically used for fewer-copy IO operations, to get a
- * handle on the memory by some means other than accesses via the user virtual
- * addresses. The pages may be submitted for DMA to devices or accessed via
- * their kernel linear mapping (via the kmap APIs). Care should be taken to
- * use the correct cache flushing APIs.
+ * get_user_pages_remote is typically used for fewer-copy IO operations,
+ * to get a handle on the memory by some means other than accesses
+ * via the user virtual addresses. The pages may be submitted for
+ * DMA to devices or accessed via their kernel linear mapping (via the
+ * kmap APIs). Care should be taken to use the correct cache flushing APIs.
*
* See also get_user_pages_fast, for performance critical applications.
*
- * get_user_pages should be phased out in favor of
+ * get_user_pages_remote should be phased out in favor of
* get_user_pages_locked|unlocked or get_user_pages_fast. Nothing
- * should use get_user_pages because it cannot pass
+ * should use get_user_pages_remote because it cannot pass
* FAULT_FLAG_ALLOW_RETRY to handle_mm_fault.
*/
long get_user_pages_remote(struct task_struct *tsk, struct mm_struct *mm,
@@ -1935,7 +1958,17 @@ static long __get_user_pages_remote(struct task_struct *tsk,
}
#endif /* !CONFIG_MMU */
-/*
+/**
+ * get_user_pages() - pin user pages in memory
+ * @start: starting user address
+ * @nr_pages: number of pages from start to pin
+ * @gup_flags: flags modifying lookup behaviour
+ * @pages: array that receives pointers to the pages pinned.
+ * Should be at least nr_pages long. Or NULL, if caller
+ * only intends to ensure the pages are faulted in.
+ * @vmas: array of pointers to vmas corresponding to each page.
+ * Or NULL if the caller does not require them.
+ *
* This is the same as get_user_pages_remote(), just with a
* less-flexible calling convention where we assume that the task
* and mm being operated on are the current task's and don't allow
@@ -1958,11 +1991,7 @@ long get_user_pages(unsigned long start, unsigned long nr_pages,
}
EXPORT_SYMBOL(get_user_pages);
-/*
- * We can leverage the VM_FAULT_RETRY functionality in the page fault
- * paths better by using either get_user_pages_locked() or
- * get_user_pages_unlocked().
- *
+/**
* get_user_pages_locked() is suitable to replace the form:
*
* down_read(&mm->mmap_sem);
@@ -1978,6 +2007,21 @@ EXPORT_SYMBOL(get_user_pages);
* get_user_pages_locked(tsk, mm, ..., pages, &locked);
* if (locked)
* up_read(&mm->mmap_sem);
+ *
+ * @start: starting user address
+ * @nr_pages: number of pages from start to pin
+ * @gup_flags: flags modifying lookup behaviour
+ * @pages: array that receives pointers to the pages pinned.
+ * Should be at least nr_pages long. Or NULL, if caller
+ * only intends to ensure the pages are faulted in.
+ * @locked: pointer to lock flag indicating whether lock is held and
+ * subsequently whether VM_FAULT_RETRY functionality can be
+ * utilised. Lock must initially be held.
+ *
+ * We can leverage the VM_FAULT_RETRY functionality in the page fault
+ * paths better by using either get_user_pages_locked() or
+ * get_user_pages_unlocked().
+ *
*/
long get_user_pages_locked(unsigned long start, unsigned long nr_pages,
unsigned int gup_flags, struct page **pages,
@@ -2664,62 +2708,6 @@ static bool gup_fast_permitted(unsigned long start, unsigned long end)
}
#endif
-/*
- * Like get_user_pages_fast() except it's IRQ-safe in that it won't fall back to
- * the regular GUP.
- * Note a difference with get_user_pages_fast: this always returns the
- * number of pages pinned, 0 if no pages were pinned.
- *
- * If the architecture does not support this function, simply return with no
- * pages pinned.
- */
-int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
- struct page **pages)
-{
- unsigned long len, end;
- unsigned long flags;
- int nr_pinned = 0;
- /*
- * Internally (within mm/gup.c), gup fast variants must set FOLL_GET,
- * because gup fast is always a "pin with a +1 page refcount" request.
- */
- unsigned int gup_flags = FOLL_GET;
-
- if (write)
- gup_flags |= FOLL_WRITE;
-
- start = untagged_addr(start) & PAGE_MASK;
- len = (unsigned long) nr_pages << PAGE_SHIFT;
- end = start + len;
-
- if (end <= start)
- return 0;
- if (unlikely(!access_ok((void __user *)start, len)))
- return 0;
-
- /*
- * Disable interrupts. We use the nested form as we can already have
- * interrupts disabled by get_futex_key.
- *
- * With interrupts disabled, we block page table pages from being
- * freed from under us. See struct mmu_table_batch comments in
- * include/asm-generic/tlb.h for more details.
- *
- * We do not adopt an rcu_read_lock(.) here as we also want to
- * block IPIs that come from THPs splitting.
- */
-
- if (IS_ENABLED(CONFIG_HAVE_FAST_GUP) &&
- gup_fast_permitted(start, end)) {
- local_irq_save(flags);
- gup_pgd_range(start, end, gup_flags, pages, &nr_pinned);
- local_irq_restore(flags);
- }
-
- return nr_pinned;
-}
-EXPORT_SYMBOL_GPL(__get_user_pages_fast);
-
static int __gup_longterm_unlocked(unsigned long start, int nr_pages,
unsigned int gup_flags, struct page **pages)
{
@@ -2748,12 +2736,17 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages,
struct page **pages)
{
unsigned long addr, len, end;
+ unsigned long flags;
int nr_pinned = 0, ret = 0;
if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM |
- FOLL_FORCE | FOLL_PIN | FOLL_GET)))
+ FOLL_FORCE | FOLL_PIN | FOLL_GET |
+ FOLL_FAST_ONLY)))
return -EINVAL;
+ if (!(gup_flags & FOLL_FAST_ONLY))
+ might_lock_read(&current->mm->mmap_sem);
+
start = untagged_addr(start) & PAGE_MASK;
addr = start;
len = (unsigned long) nr_pages << PAGE_SHIFT;
@@ -2764,15 +2757,42 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages,
if (unlikely(!access_ok((void __user *)start, len)))
return -EFAULT;
- if (IS_ENABLED(CONFIG_HAVE_FAST_GUP) &&
- gup_fast_permitted(start, end)) {
- local_irq_disable();
- gup_pgd_range(addr, end, gup_flags, pages, &nr_pinned);
- local_irq_enable();
+ /*
+ * The FAST_GUP case requires FOLL_WRITE even for pure reads,
+ * because get_user_pages() may need to cause an early COW in
+ * order to avoid confusing the normal COW routines. So only
+ * targets that are already writable are safe to do by just
+ * looking at the page tables.
+ *
+ * NOTE! With FOLL_FAST_ONLY we allow read-only gup_fast() here,
+ * because there is no slow path to fall back on. But you'd
+ * better be careful about possible COW pages - you'll get _a_
+ * COW page, but not necessarily the one you intended to get
+ * depending on what COW event happens after this. COW may break
+ * the page copy in a random direction.
+ *
+ * Disable interrupts. The nested form is used, in order to allow
+ * full, general purpose use of this routine.
+ *
+ * With interrupts disabled, we block page table pages from being
+ * freed from under us. See struct mmu_table_batch comments in
+ * include/asm-generic/tlb.h for more details.
+ *
+ * We do not adopt an rcu_read_lock(.) here as we also want to
+ * block IPIs that come from THPs splitting.
+ */
+ if (IS_ENABLED(CONFIG_HAVE_FAST_GUP) && gup_fast_permitted(start, end)) {
+ unsigned long fast_flags = gup_flags;
+ if (!(gup_flags & FOLL_FAST_ONLY))
+ fast_flags |= FOLL_WRITE;
+
+ local_irq_save(flags);
+ gup_pgd_range(addr, end, fast_flags, pages, &nr_pinned);
+ local_irq_restore(flags);
ret = nr_pinned;
}
- if (nr_pinned < nr_pages) {
+ if (nr_pinned < nr_pages && !(gup_flags & FOLL_FAST_ONLY)) {
/* Try to get the remaining pages with get_user_pages */
start += nr_pinned << PAGE_SHIFT;
pages += nr_pinned;
@@ -2792,6 +2812,51 @@ static int internal_get_user_pages_fast(unsigned long start, int nr_pages,
return ret;
}
+/*
+ * Like get_user_pages_fast() except it's IRQ-safe in that it won't fall back to
+ * the regular GUP.
+ * Note a difference with get_user_pages_fast: this always returns the
+ * number of pages pinned, 0 if no pages were pinned.
+ *
+ * If the architecture does not support this function, simply return with no
+ * pages pinned.
+ *
+ * Careful, careful! COW breaking can go either way, so a non-write
+ * access can get ambiguous page results. If you call this function without
+ * 'write' set, you'd better be sure that you're ok with that ambiguity.
+ */
+int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
+ struct page **pages)
+{
+ int nr_pinned;
+ /*
+ * Internally (within mm/gup.c), gup fast variants must set FOLL_GET,
+ * because gup fast is always a "pin with a +1 page refcount" request.
+ *
+ * FOLL_FAST_ONLY is required in order to match the API description of
+ * this routine: no fall back to regular ("slow") GUP.
+ */
+ unsigned int gup_flags = FOLL_GET | FOLL_FAST_ONLY;
+
+ if (write)
+ gup_flags |= FOLL_WRITE;
+
+ nr_pinned = internal_get_user_pages_fast(start, nr_pages, gup_flags,
+ pages);
+
+ /*
+ * As specified in the API description above, this routine is not
+ * allowed to return negative values. However, the common core
+ * routine internal_get_user_pages_fast() *can* return -errno.
+ * Therefore, correct for that here:
+ */
+ if (nr_pinned < 0)
+ nr_pinned = 0;
+
+ return nr_pinned;
+}
+EXPORT_SYMBOL_GPL(__get_user_pages_fast);
+
/**
* get_user_pages_fast() - pin user pages in memory
* @start: starting user address
@@ -2843,9 +2908,9 @@ EXPORT_SYMBOL_GPL(get_user_pages_fast);
* the arguments here are identical.
*
* FOLL_PIN means that the pages must be released via unpin_user_page(). Please
- * see Documentation/vm/pin_user_pages.rst for further details.
+ * see Documentation/core-api/pin_user_pages.rst for further details.
*
- * This is intended for Case 1 (DIO) in Documentation/vm/pin_user_pages.rst. It
+ * This is intended for Case 1 (DIO) in Documentation/core-api/pin_user_pages.rst. It
* is NOT intended for Case 2 (RDMA: long-term pins).
*/
int pin_user_pages_fast(unsigned long start, int nr_pages,
@@ -2860,6 +2925,42 @@ int pin_user_pages_fast(unsigned long start, int nr_pages,
}
EXPORT_SYMBOL_GPL(pin_user_pages_fast);
+/*
+ * This is the FOLL_PIN equivalent of __get_user_pages_fast(). Behavior is the
+ * same, except that this one sets FOLL_PIN instead of FOLL_GET.
+ *
+ * The API rules are the same, too: no negative values may be returned.
+ */
+int pin_user_pages_fast_only(unsigned long start, int nr_pages,
+ unsigned int gup_flags, struct page **pages)
+{
+ int nr_pinned;
+
+ /*
+ * FOLL_GET and FOLL_PIN are mutually exclusive. Note that the API
+ * rules require returning 0, rather than -errno:
+ */
+ if (WARN_ON_ONCE(gup_flags & FOLL_GET))
+ return 0;
+ /*
+ * FOLL_FAST_ONLY is required in order to match the API description of
+ * this routine: no fall back to regular ("slow") GUP.
+ */
+ gup_flags |= (FOLL_PIN | FOLL_FAST_ONLY);
+ nr_pinned = internal_get_user_pages_fast(start, nr_pages, gup_flags,
+ pages);
+ /*
+ * This routine is not allowed to return negative values. However,
+ * internal_get_user_pages_fast() *can* return -errno. Therefore,
+ * correct for that here:
+ */
+ if (nr_pinned < 0)
+ nr_pinned = 0;
+
+ return nr_pinned;
+}
+EXPORT_SYMBOL_GPL(pin_user_pages_fast_only);
+
/**
* pin_user_pages_remote() - pin pages of a remote process (task != current)
*
@@ -2883,9 +2984,9 @@ EXPORT_SYMBOL_GPL(pin_user_pages_fast);
* the arguments here are identical.
*
* FOLL_PIN means that the pages must be released via unpin_user_page(). Please
- * see Documentation/vm/pin_user_pages.rst for details.
+ * see Documentation/core-api/pin_user_pages.rst for details.
*
- * This is intended for Case 1 (DIO) in Documentation/vm/pin_user_pages.rst. It
+ * This is intended for Case 1 (DIO) in Documentation/core-api/pin_user_pages.rst. It
* is NOT intended for Case 2 (RDMA: long-term pins).
*/
long pin_user_pages_remote(struct task_struct *tsk, struct mm_struct *mm,
@@ -2919,9 +3020,9 @@ EXPORT_SYMBOL(pin_user_pages_remote);
* FOLL_PIN is set.
*
* FOLL_PIN means that the pages must be released via unpin_user_page(). Please
- * see Documentation/vm/pin_user_pages.rst for details.
+ * see Documentation/core-api/pin_user_pages.rst for details.
*
- * This is intended for Case 1 (DIO) in Documentation/vm/pin_user_pages.rst. It
+ * This is intended for Case 1 (DIO) in Documentation/core-api/pin_user_pages.rst. It
* is NOT intended for Case 2 (RDMA: long-term pins).
*/
long pin_user_pages(unsigned long start, unsigned long nr_pages,
@@ -2937,3 +3038,20 @@ long pin_user_pages(unsigned long start, unsigned long nr_pages,
pages, vmas, gup_flags);
}
EXPORT_SYMBOL(pin_user_pages);
+
+/*
+ * pin_user_pages_unlocked() is the FOLL_PIN variant of
+ * get_user_pages_unlocked(). Behavior is the same, except that this one sets
+ * FOLL_PIN and rejects FOLL_GET.
+ */
+long pin_user_pages_unlocked(unsigned long start, unsigned long nr_pages,
+ struct page **pages, unsigned int gup_flags)
+{
+ /* FOLL_GET and FOLL_PIN are mutually exclusive. */
+ if (WARN_ON_ONCE(gup_flags & FOLL_GET))
+ return -EINVAL;
+
+ gup_flags |= FOLL_PIN;
+ return get_user_pages_unlocked(start, nr_pages, pages, gup_flags);
+}
+EXPORT_SYMBOL(pin_user_pages_unlocked);
diff --git a/mm/hmm.c b/mm/hmm.c
index 280585833adf..41673a6d8d46 100644
--- a/mm/hmm.c
+++ b/mm/hmm.c
@@ -37,28 +37,13 @@ enum {
HMM_NEED_ALL_BITS = HMM_NEED_FAULT | HMM_NEED_WRITE_FAULT,
};
-/*
- * hmm_device_entry_from_pfn() - create a valid device entry value from pfn
- * @range: range use to encode HMM pfn value
- * @pfn: pfn value for which to create the device entry
- * Return: valid device entry for the pfn
- */
-static uint64_t hmm_device_entry_from_pfn(const struct hmm_range *range,
- unsigned long pfn)
-{
- return (pfn << range->pfn_shift) | range->flags[HMM_PFN_VALID];
-}
-
static int hmm_pfns_fill(unsigned long addr, unsigned long end,
- struct hmm_range *range, enum hmm_pfn_value_e value)
+ struct hmm_range *range, unsigned long cpu_flags)
{
- uint64_t *pfns = range->pfns;
- unsigned long i;
+ unsigned long i = (addr - range->start) >> PAGE_SHIFT;
- i = (addr - range->start) >> PAGE_SHIFT;
for (; addr < end; addr += PAGE_SIZE, i++)
- pfns[i] = range->values[value];
-
+ range->hmm_pfns[i] = cpu_flags;
return 0;
}
@@ -96,7 +81,8 @@ static int hmm_vma_fault(unsigned long addr, unsigned long end,
}
static unsigned int hmm_pte_need_fault(const struct hmm_vma_walk *hmm_vma_walk,
- uint64_t pfns, uint64_t cpu_flags)
+ unsigned long pfn_req_flags,
+ unsigned long cpu_flags)
{
struct hmm_range *range = hmm_vma_walk->range;
@@ -110,27 +96,28 @@ static unsigned int hmm_pte_need_fault(const struct hmm_vma_walk *hmm_vma_walk,
* waste to have the user pre-fill the pfn arrays with a default
* flags value.
*/
- pfns = (pfns & range->pfn_flags_mask) | range->default_flags;
+ pfn_req_flags &= range->pfn_flags_mask;
+ pfn_req_flags |= range->default_flags;
/* We aren't ask to do anything ... */
- if (!(pfns & range->flags[HMM_PFN_VALID]))
+ if (!(pfn_req_flags & HMM_PFN_REQ_FAULT))
return 0;
/* Need to write fault ? */
- if ((pfns & range->flags[HMM_PFN_WRITE]) &&
- !(cpu_flags & range->flags[HMM_PFN_WRITE]))
+ if ((pfn_req_flags & HMM_PFN_REQ_WRITE) &&
+ !(cpu_flags & HMM_PFN_WRITE))
return HMM_NEED_FAULT | HMM_NEED_WRITE_FAULT;
/* If CPU page table is not valid then we need to fault */
- if (!(cpu_flags & range->flags[HMM_PFN_VALID]))
+ if (!(cpu_flags & HMM_PFN_VALID))
return HMM_NEED_FAULT;
return 0;
}
static unsigned int
hmm_range_need_fault(const struct hmm_vma_walk *hmm_vma_walk,
- const uint64_t *pfns, unsigned long npages,
- uint64_t cpu_flags)
+ const unsigned long hmm_pfns[], unsigned long npages,
+ unsigned long cpu_flags)
{
struct hmm_range *range = hmm_vma_walk->range;
unsigned int required_fault = 0;
@@ -142,12 +129,12 @@ hmm_range_need_fault(const struct hmm_vma_walk *hmm_vma_walk,
* hmm_pte_need_fault() will always return 0.
*/
if (!((range->default_flags | range->pfn_flags_mask) &
- range->flags[HMM_PFN_VALID]))
+ HMM_PFN_REQ_FAULT))
return 0;
for (i = 0; i < npages; ++i) {
- required_fault |=
- hmm_pte_need_fault(hmm_vma_walk, pfns[i], cpu_flags);
+ required_fault |= hmm_pte_need_fault(hmm_vma_walk, hmm_pfns[i],
+ cpu_flags);
if (required_fault == HMM_NEED_ALL_BITS)
return required_fault;
}
@@ -161,12 +148,13 @@ static int hmm_vma_walk_hole(unsigned long addr, unsigned long end,
struct hmm_range *range = hmm_vma_walk->range;
unsigned int required_fault;
unsigned long i, npages;
- uint64_t *pfns;
+ unsigned long *hmm_pfns;
i = (addr - range->start) >> PAGE_SHIFT;
npages = (end - addr) >> PAGE_SHIFT;
- pfns = &range->pfns[i];
- required_fault = hmm_range_need_fault(hmm_vma_walk, pfns, npages, 0);
+ hmm_pfns = &range->hmm_pfns[i];
+ required_fault =
+ hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, 0);
if (!walk->vma) {
if (required_fault)
return -EFAULT;
@@ -174,46 +162,44 @@ static int hmm_vma_walk_hole(unsigned long addr, unsigned long end,
}
if (required_fault)
return hmm_vma_fault(addr, end, required_fault, walk);
- hmm_vma_walk->last = addr;
- return hmm_pfns_fill(addr, end, range, HMM_PFN_NONE);
+ return hmm_pfns_fill(addr, end, range, 0);
}
-static inline uint64_t pmd_to_hmm_pfn_flags(struct hmm_range *range, pmd_t pmd)
+static inline unsigned long pmd_to_hmm_pfn_flags(struct hmm_range *range,
+ pmd_t pmd)
{
if (pmd_protnone(pmd))
return 0;
- return pmd_write(pmd) ? range->flags[HMM_PFN_VALID] |
- range->flags[HMM_PFN_WRITE] :
- range->flags[HMM_PFN_VALID];
+ return pmd_write(pmd) ? (HMM_PFN_VALID | HMM_PFN_WRITE) : HMM_PFN_VALID;
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
static int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr,
- unsigned long end, uint64_t *pfns, pmd_t pmd)
+ unsigned long end, unsigned long hmm_pfns[],
+ pmd_t pmd)
{
struct hmm_vma_walk *hmm_vma_walk = walk->private;
struct hmm_range *range = hmm_vma_walk->range;
unsigned long pfn, npages, i;
unsigned int required_fault;
- uint64_t cpu_flags;
+ unsigned long cpu_flags;
npages = (end - addr) >> PAGE_SHIFT;
cpu_flags = pmd_to_hmm_pfn_flags(range, pmd);
required_fault =
- hmm_range_need_fault(hmm_vma_walk, pfns, npages, cpu_flags);
+ hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, cpu_flags);
if (required_fault)
return hmm_vma_fault(addr, end, required_fault, walk);
pfn = pmd_pfn(pmd) + ((addr & ~PMD_MASK) >> PAGE_SHIFT);
for (i = 0; addr < end; addr += PAGE_SIZE, i++, pfn++)
- pfns[i] = hmm_device_entry_from_pfn(range, pfn) | cpu_flags;
- hmm_vma_walk->last = end;
+ hmm_pfns[i] = pfn | cpu_flags;
return 0;
}
#else /* CONFIG_TRANSPARENT_HUGEPAGE */
/* stub to allow the code below to compile */
int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr,
- unsigned long end, uint64_t *pfns, pmd_t pmd);
+ unsigned long end, unsigned long hmm_pfns[], pmd_t pmd);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
static inline bool hmm_is_device_private_entry(struct hmm_range *range,
@@ -224,31 +210,31 @@ static inline bool hmm_is_device_private_entry(struct hmm_range *range,
range->dev_private_owner;
}
-static inline uint64_t pte_to_hmm_pfn_flags(struct hmm_range *range, pte_t pte)
+static inline unsigned long pte_to_hmm_pfn_flags(struct hmm_range *range,
+ pte_t pte)
{
if (pte_none(pte) || !pte_present(pte) || pte_protnone(pte))
return 0;
- return pte_write(pte) ? range->flags[HMM_PFN_VALID] |
- range->flags[HMM_PFN_WRITE] :
- range->flags[HMM_PFN_VALID];
+ return pte_write(pte) ? (HMM_PFN_VALID | HMM_PFN_WRITE) : HMM_PFN_VALID;
}
static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
unsigned long end, pmd_t *pmdp, pte_t *ptep,
- uint64_t *pfn)
+ unsigned long *hmm_pfn)
{
struct hmm_vma_walk *hmm_vma_walk = walk->private;
struct hmm_range *range = hmm_vma_walk->range;
unsigned int required_fault;
- uint64_t cpu_flags;
+ unsigned long cpu_flags;
pte_t pte = *ptep;
- uint64_t orig_pfn = *pfn;
+ uint64_t pfn_req_flags = *hmm_pfn;
if (pte_none(pte)) {
- required_fault = hmm_pte_need_fault(hmm_vma_walk, orig_pfn, 0);
+ required_fault =
+ hmm_pte_need_fault(hmm_vma_walk, pfn_req_flags, 0);
if (required_fault)
goto fault;
- *pfn = range->values[HMM_PFN_NONE];
+ *hmm_pfn = 0;
return 0;
}
@@ -260,17 +246,18 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
* the PFN even if not present.
*/
if (hmm_is_device_private_entry(range, entry)) {
- *pfn = hmm_device_entry_from_pfn(range,
- device_private_entry_to_pfn(entry));
- *pfn |= range->flags[HMM_PFN_VALID];
+ cpu_flags = HMM_PFN_VALID;
if (is_write_device_private_entry(entry))
- *pfn |= range->flags[HMM_PFN_WRITE];
+ cpu_flags |= HMM_PFN_WRITE;
+ *hmm_pfn = device_private_entry_to_pfn(entry) |
+ cpu_flags;
return 0;
}
- required_fault = hmm_pte_need_fault(hmm_vma_walk, orig_pfn, 0);
+ required_fault =
+ hmm_pte_need_fault(hmm_vma_walk, pfn_req_flags, 0);
if (!required_fault) {
- *pfn = range->values[HMM_PFN_NONE];
+ *hmm_pfn = 0;
return 0;
}
@@ -290,7 +277,8 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
}
cpu_flags = pte_to_hmm_pfn_flags(range, pte);
- required_fault = hmm_pte_need_fault(hmm_vma_walk, orig_pfn, cpu_flags);
+ required_fault =
+ hmm_pte_need_fault(hmm_vma_walk, pfn_req_flags, cpu_flags);
if (required_fault)
goto fault;
@@ -299,15 +287,15 @@ static int hmm_vma_handle_pte(struct mm_walk *walk, unsigned long addr,
* fall through and treat it like a normal page.
*/
if (pte_special(pte) && !is_zero_pfn(pte_pfn(pte))) {
- if (hmm_pte_need_fault(hmm_vma_walk, orig_pfn, 0)) {
+ if (hmm_pte_need_fault(hmm_vma_walk, pfn_req_flags, 0)) {
pte_unmap(ptep);
return -EFAULT;
}
- *pfn = range->values[HMM_PFN_SPECIAL];
+ *hmm_pfn = HMM_PFN_ERROR;
return 0;
}
- *pfn = hmm_device_entry_from_pfn(range, pte_pfn(pte)) | cpu_flags;
+ *hmm_pfn = pte_pfn(pte) | cpu_flags;
return 0;
fault:
@@ -323,7 +311,8 @@ static int hmm_vma_walk_pmd(pmd_t *pmdp,
{
struct hmm_vma_walk *hmm_vma_walk = walk->private;
struct hmm_range *range = hmm_vma_walk->range;
- uint64_t *pfns = &range->pfns[(start - range->start) >> PAGE_SHIFT];
+ unsigned long *hmm_pfns =
+ &range->hmm_pfns[(start - range->start) >> PAGE_SHIFT];
unsigned long npages = (end - start) >> PAGE_SHIFT;
unsigned long addr = start;
pte_t *ptep;
@@ -335,16 +324,16 @@ again:
return hmm_vma_walk_hole(start, end, -1, walk);
if (thp_migration_supported() && is_pmd_migration_entry(pmd)) {
- if (hmm_range_need_fault(hmm_vma_walk, pfns, npages, 0)) {
+ if (hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, 0)) {
hmm_vma_walk->last = addr;
pmd_migration_entry_wait(walk->mm, pmdp);
return -EBUSY;
}
- return hmm_pfns_fill(start, end, range, HMM_PFN_NONE);
+ return hmm_pfns_fill(start, end, range, 0);
}
if (!pmd_present(pmd)) {
- if (hmm_range_need_fault(hmm_vma_walk, pfns, npages, 0))
+ if (hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, 0))
return -EFAULT;
return hmm_pfns_fill(start, end, range, HMM_PFN_ERROR);
}
@@ -364,7 +353,7 @@ again:
if (!pmd_devmap(pmd) && !pmd_trans_huge(pmd))
goto again;
- return hmm_vma_handle_pmd(walk, addr, end, pfns, pmd);
+ return hmm_vma_handle_pmd(walk, addr, end, hmm_pfns, pmd);
}
/*
@@ -374,37 +363,33 @@ again:
* recover.
*/
if (pmd_bad(pmd)) {
- if (hmm_range_need_fault(hmm_vma_walk, pfns, npages, 0))
+ if (hmm_range_need_fault(hmm_vma_walk, hmm_pfns, npages, 0))
return -EFAULT;
return hmm_pfns_fill(start, end, range, HMM_PFN_ERROR);
}
ptep = pte_offset_map(pmdp, addr);
- for (; addr < end; addr += PAGE_SIZE, ptep++, pfns++) {
+ for (; addr < end; addr += PAGE_SIZE, ptep++, hmm_pfns++) {
int r;
- r = hmm_vma_handle_pte(walk, addr, end, pmdp, ptep, pfns);
+ r = hmm_vma_handle_pte(walk, addr, end, pmdp, ptep, hmm_pfns);
if (r) {
/* hmm_vma_handle_pte() did pte_unmap() */
- hmm_vma_walk->last = addr;
return r;
}
}
pte_unmap(ptep - 1);
-
- hmm_vma_walk->last = addr;
return 0;
}
#if defined(CONFIG_ARCH_HAS_PTE_DEVMAP) && \
defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)
-static inline uint64_t pud_to_hmm_pfn_flags(struct hmm_range *range, pud_t pud)
+static inline unsigned long pud_to_hmm_pfn_flags(struct hmm_range *range,
+ pud_t pud)
{
if (!pud_present(pud))
return 0;
- return pud_write(pud) ? range->flags[HMM_PFN_VALID] |
- range->flags[HMM_PFN_WRITE] :
- range->flags[HMM_PFN_VALID];
+ return pud_write(pud) ? (HMM_PFN_VALID | HMM_PFN_WRITE) : HMM_PFN_VALID;
}
static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
@@ -432,7 +417,8 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
if (pud_huge(pud) && pud_devmap(pud)) {
unsigned long i, npages, pfn;
unsigned int required_fault;
- uint64_t *pfns, cpu_flags;
+ unsigned long *hmm_pfns;
+ unsigned long cpu_flags;
if (!pud_present(pud)) {
spin_unlock(ptl);
@@ -441,10 +427,10 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
i = (addr - range->start) >> PAGE_SHIFT;
npages = (end - addr) >> PAGE_SHIFT;
- pfns = &range->pfns[i];
+ hmm_pfns = &range->hmm_pfns[i];
cpu_flags = pud_to_hmm_pfn_flags(range, pud);
- required_fault = hmm_range_need_fault(hmm_vma_walk, pfns,
+ required_fault = hmm_range_need_fault(hmm_vma_walk, hmm_pfns,
npages, cpu_flags);
if (required_fault) {
spin_unlock(ptl);
@@ -453,9 +439,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end,
pfn = pud_pfn(pud) + ((addr & ~PUD_MASK) >> PAGE_SHIFT);
for (i = 0; i < npages; ++i, ++pfn)
- pfns[i] = hmm_device_entry_from_pfn(range, pfn) |
- cpu_flags;
- hmm_vma_walk->last = end;
+ hmm_pfns[i] = pfn | cpu_flags;
goto out_unlock;
}
@@ -479,8 +463,9 @@ static int hmm_vma_walk_hugetlb_entry(pte_t *pte, unsigned long hmask,
struct hmm_vma_walk *hmm_vma_walk = walk->private;
struct hmm_range *range = hmm_vma_walk->range;
struct vm_area_struct *vma = walk->vma;
- uint64_t orig_pfn, cpu_flags;
unsigned int required_fault;
+ unsigned long pfn_req_flags;
+ unsigned long cpu_flags;
spinlock_t *ptl;
pte_t entry;
@@ -488,9 +473,10 @@ static int hmm_vma_walk_hugetlb_entry(pte_t *pte, unsigned long hmask,
entry = huge_ptep_get(pte);
i = (start - range->start) >> PAGE_SHIFT;
- orig_pfn = range->pfns[i];
+ pfn_req_flags = range->hmm_pfns[i];
cpu_flags = pte_to_hmm_pfn_flags(range, entry);
- required_fault = hmm_pte_need_fault(hmm_vma_walk, orig_pfn, cpu_flags);
+ required_fault =
+ hmm_pte_need_fault(hmm_vma_walk, pfn_req_flags, cpu_flags);
if (required_fault) {
spin_unlock(ptl);
return hmm_vma_fault(addr, end, required_fault, walk);
@@ -498,9 +484,8 @@ static int hmm_vma_walk_hugetlb_entry(pte_t *pte, unsigned long hmask,
pfn = pte_pfn(entry) + ((start & ~hmask) >> PAGE_SHIFT);
for (; addr < end; addr += PAGE_SIZE, i++, pfn++)
- range->pfns[i] = hmm_device_entry_from_pfn(range, pfn) |
- cpu_flags;
- hmm_vma_walk->last = end;
+ range->hmm_pfns[i] = pfn | cpu_flags;
+
spin_unlock(ptl);
return 0;
}
@@ -531,13 +516,12 @@ static int hmm_vma_walk_test(unsigned long start, unsigned long end,
* failure.
*/
if (hmm_range_need_fault(hmm_vma_walk,
- range->pfns +
+ range->hmm_pfns +
((start - range->start) >> PAGE_SHIFT),
(end - start) >> PAGE_SHIFT, 0))
return -EFAULT;
hmm_pfns_fill(start, end, range, HMM_PFN_ERROR);
- hmm_vma_walk->last = end;
/* Skip this vma and continue processing the next vma. */
return 1;
@@ -555,9 +539,7 @@ static const struct mm_walk_ops hmm_walk_ops = {
* hmm_range_fault - try to fault some address in a virtual address range
* @range: argument structure
*
- * Return: the number of valid pages in range->pfns[] (from range start
- * address), which may be zero. On error one of the following status codes
- * can be returned:
+ * Returns 0 on success or one of the following error codes:
*
* -EINVAL: Invalid arguments or mm or virtual address is in an invalid vma
* (e.g., device file vma).
@@ -572,7 +554,7 @@ static const struct mm_walk_ops hmm_walk_ops = {
* This is similar to get_user_pages(), except that it can read the page tables
* without mutating them (ie causing faults).
*/
-long hmm_range_fault(struct hmm_range *range)
+int hmm_range_fault(struct hmm_range *range)
{
struct hmm_vma_walk hmm_vma_walk = {
.range = range,
@@ -590,10 +572,13 @@ long hmm_range_fault(struct hmm_range *range)
return -EBUSY;
ret = walk_page_range(mm, hmm_vma_walk.last, range->end,
&hmm_walk_ops, &hmm_vma_walk);
+ /*
+ * When -EBUSY is returned the loop restarts with
+ * hmm_vma_walk.last set to an address that has not been stored
+ * in pfns. All entries < last in the pfn array are set to their
+ * output, and all >= are still at their input values.
+ */
} while (ret == -EBUSY);
-
- if (ret)
- return ret;
- return (hmm_vma_walk.last - range->start) >> PAGE_SHIFT;
+ return ret;
}
EXPORT_SYMBOL(hmm_range_fault);
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6ecd1045113b..e8669885232f 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -587,19 +587,19 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,
struct page *page, gfp_t gfp)
{
struct vm_area_struct *vma = vmf->vma;
- struct mem_cgroup *memcg;
pgtable_t pgtable;
unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
vm_fault_t ret = 0;
VM_BUG_ON_PAGE(!PageCompound(page), page);
- if (mem_cgroup_try_charge_delay(page, vma->vm_mm, gfp, &memcg, true)) {
+ if (mem_cgroup_charge(page, vma->vm_mm, gfp)) {
put_page(page);
count_vm_event(THP_FAULT_FALLBACK);
count_vm_event(THP_FAULT_FALLBACK_CHARGE);
return VM_FAULT_FALLBACK;
}
+ cgroup_throttle_swaprate(page, gfp);
pgtable = pte_alloc_one(vma->vm_mm);
if (unlikely(!pgtable)) {
@@ -630,7 +630,6 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,
vm_fault_t ret2;
spin_unlock(vmf->ptl);
- mem_cgroup_cancel_charge(page, memcg, true);
put_page(page);
pte_free(vma->vm_mm, pgtable);
ret2 = handle_userfault(vmf, VM_UFFD_MISSING);
@@ -641,7 +640,6 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,
entry = mk_huge_pmd(page, vma->vm_page_prot);
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
page_add_new_anon_rmap(page, vma, haddr, true);
- mem_cgroup_commit_charge(page, memcg, false, true);
lru_cache_add_active_or_unevictable(page, vma);
pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, pgtable);
set_pmd_at(vma->vm_mm, haddr, vmf->pmd, entry);
@@ -649,7 +647,7 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,
mm_inc_nr_ptes(vma->vm_mm);
spin_unlock(vmf->ptl);
count_vm_event(THP_FAULT_ALLOC);
- count_memcg_events(memcg, THP_FAULT_ALLOC, 1);
+ count_memcg_event_mm(vma->vm_mm, THP_FAULT_ALLOC);
}
return 0;
@@ -658,7 +656,6 @@ unlock_release:
release:
if (pgtable)
pte_free(vma->vm_mm, pgtable);
- mem_cgroup_cancel_charge(page, memcg, true);
put_page(page);
return ret;
@@ -1255,273 +1252,72 @@ unlock:
spin_unlock(vmf->ptl);
}
-static vm_fault_t do_huge_pmd_wp_page_fallback(struct vm_fault *vmf,
- pmd_t orig_pmd, struct page *page)
-{
- struct vm_area_struct *vma = vmf->vma;
- unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
- struct mem_cgroup *memcg;
- pgtable_t pgtable;
- pmd_t _pmd;
- int i;
- vm_fault_t ret = 0;
- struct page **pages;
- struct mmu_notifier_range range;
-
- pages = kmalloc_array(HPAGE_PMD_NR, sizeof(struct page *),
- GFP_KERNEL);
- if (unlikely(!pages)) {
- ret |= VM_FAULT_OOM;
- goto out;
- }
-
- for (i = 0; i < HPAGE_PMD_NR; i++) {
- pages[i] = alloc_page_vma_node(GFP_HIGHUSER_MOVABLE, vma,
- vmf->address, page_to_nid(page));
- if (unlikely(!pages[i] ||
- mem_cgroup_try_charge_delay(pages[i], vma->vm_mm,
- GFP_KERNEL, &memcg, false))) {
- if (pages[i])
- put_page(pages[i]);
- while (--i >= 0) {
- memcg = (void *)page_private(pages[i]);
- set_page_private(pages[i], 0);
- mem_cgroup_cancel_charge(pages[i], memcg,
- false);
- put_page(pages[i]);
- }
- kfree(pages);
- ret |= VM_FAULT_OOM;
- goto out;
- }
- set_page_private(pages[i], (unsigned long)memcg);
- }
-
- for (i = 0; i < HPAGE_PMD_NR; i++) {
- copy_user_highpage(pages[i], page + i,
- haddr + PAGE_SIZE * i, vma);
- __SetPageUptodate(pages[i]);
- cond_resched();
- }
-
- mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
- haddr, haddr + HPAGE_PMD_SIZE);
- mmu_notifier_invalidate_range_start(&range);
-
- vmf->ptl = pmd_lock(vma->vm_mm, vmf->pmd);
- if (unlikely(!pmd_same(*vmf->pmd, orig_pmd)))
- goto out_free_pages;
- VM_BUG_ON_PAGE(!PageHead(page), page);
-
- /*
- * Leave pmd empty until pte is filled note we must notify here as
- * concurrent CPU thread might write to new page before the call to
- * mmu_notifier_invalidate_range_end() happens which can lead to a
- * device seeing memory write in different order than CPU.
- *
- * See Documentation/vm/mmu_notifier.rst
- */
- pmdp_huge_clear_flush_notify(vma, haddr, vmf->pmd);
-
- pgtable = pgtable_trans_huge_withdraw(vma->vm_mm, vmf->pmd);
- pmd_populate(vma->vm_mm, &_pmd, pgtable);
-
- for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) {
- pte_t entry;
- entry = mk_pte(pages[i], vma->vm_page_prot);
- entry = maybe_mkwrite(pte_mkdirty(entry), vma);
- memcg = (void *)page_private(pages[i]);
- set_page_private(pages[i], 0);
- page_add_new_anon_rmap(pages[i], vmf->vma, haddr, false);
- mem_cgroup_commit_charge(pages[i], memcg, false, false);
- lru_cache_add_active_or_unevictable(pages[i], vma);
- vmf->pte = pte_offset_map(&_pmd, haddr);
- VM_BUG_ON(!pte_none(*vmf->pte));
- set_pte_at(vma->vm_mm, haddr, vmf->pte, entry);
- pte_unmap(vmf->pte);
- }
- kfree(pages);
-
- smp_wmb(); /* make pte visible before pmd */
- pmd_populate(vma->vm_mm, vmf->pmd, pgtable);
- page_remove_rmap(page, true);
- spin_unlock(vmf->ptl);
-
- /*
- * No need to double call mmu_notifier->invalidate_range() callback as
- * the above pmdp_huge_clear_flush_notify() did already call it.
- */
- mmu_notifier_invalidate_range_only_end(&range);
-
- ret |= VM_FAULT_WRITE;
- put_page(page);
-
-out:
- return ret;
-
-out_free_pages:
- spin_unlock(vmf->ptl);
- mmu_notifier_invalidate_range_end(&range);
- for (i = 0; i < HPAGE_PMD_NR; i++) {
- memcg = (void *)page_private(pages[i]);
- set_page_private(pages[i], 0);
- mem_cgroup_cancel_charge(pages[i], memcg, false);
- put_page(pages[i]);
- }
- kfree(pages);
- goto out;
-}
-
vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd)
{
struct vm_area_struct *vma = vmf->vma;
- struct page *page = NULL, *new_page;
- struct mem_cgroup *memcg;
+ struct page *page;
unsigned long haddr = vmf->address & HPAGE_PMD_MASK;
- struct mmu_notifier_range range;
- gfp_t huge_gfp; /* for allocation and charge */
- vm_fault_t ret = 0;
vmf->ptl = pmd_lockptr(vma->vm_mm, vmf->pmd);
VM_BUG_ON_VMA(!vma->anon_vma, vma);
+
if (is_huge_zero_pmd(orig_pmd))
- goto alloc;
+ goto fallback;
+
spin_lock(vmf->ptl);
- if (unlikely(!pmd_same(*vmf->pmd, orig_pmd)))
- goto out_unlock;
+
+ if (unlikely(!pmd_same(*vmf->pmd, orig_pmd))) {
+ spin_unlock(vmf->ptl);
+ return 0;
+ }
page = pmd_page(orig_pmd);
VM_BUG_ON_PAGE(!PageCompound(page) || !PageHead(page), page);
- /*
- * We can only reuse the page if nobody else maps the huge page or it's
- * part.
- */
+
+ /* Lock page for reuse_swap_page() */
if (!trylock_page(page)) {
get_page(page);
spin_unlock(vmf->ptl);
lock_page(page);
spin_lock(vmf->ptl);
if (unlikely(!pmd_same(*vmf->pmd, orig_pmd))) {
+ spin_unlock(vmf->ptl);
unlock_page(page);
put_page(page);
- goto out_unlock;
+ return 0;
}
put_page(page);
}
+
+ /*
+ * We can only reuse the page if nobody else maps the huge page or it's
+ * part.
+ */
if (reuse_swap_page(page, NULL)) {
pmd_t entry;
entry = pmd_mkyoung(orig_pmd);
entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
- if (pmdp_set_access_flags(vma, haddr, vmf->pmd, entry, 1))
+ if (pmdp_set_access_flags(vma, haddr, vmf->pmd, entry, 1))
update_mmu_cache_pmd(vma, vmf->address, vmf->pmd);
- ret |= VM_FAULT_WRITE;
unlock_page(page);
- goto out_unlock;
- }
- unlock_page(page);
- get_page(page);
- spin_unlock(vmf->ptl);
-alloc:
- if (__transparent_hugepage_enabled(vma) &&
- !transparent_hugepage_debug_cow()) {
- huge_gfp = alloc_hugepage_direct_gfpmask(vma);
- new_page = alloc_hugepage_vma(huge_gfp, vma, haddr, HPAGE_PMD_ORDER);
- } else
- new_page = NULL;
-
- if (likely(new_page)) {
- prep_transhuge_page(new_page);
- } else {
- if (!page) {
- split_huge_pmd(vma, vmf->pmd, vmf->address);
- ret |= VM_FAULT_FALLBACK;
- } else {
- ret = do_huge_pmd_wp_page_fallback(vmf, orig_pmd, page);
- if (ret & VM_FAULT_OOM) {
- split_huge_pmd(vma, vmf->pmd, vmf->address);
- ret |= VM_FAULT_FALLBACK;
- }
- put_page(page);
- }
- count_vm_event(THP_FAULT_FALLBACK);
- goto out;
- }
-
- if (unlikely(mem_cgroup_try_charge_delay(new_page, vma->vm_mm,
- huge_gfp, &memcg, true))) {
- put_page(new_page);
- split_huge_pmd(vma, vmf->pmd, vmf->address);
- if (page)
- put_page(page);
- ret |= VM_FAULT_FALLBACK;
- count_vm_event(THP_FAULT_FALLBACK);
- count_vm_event(THP_FAULT_FALLBACK_CHARGE);
- goto out;
- }
-
- count_vm_event(THP_FAULT_ALLOC);
- count_memcg_events(memcg, THP_FAULT_ALLOC, 1);
-
- if (!page)
- clear_huge_page(new_page, vmf->address, HPAGE_PMD_NR);
- else
- copy_user_huge_page(new_page, page, vmf->address,
- vma, HPAGE_PMD_NR);
- __SetPageUptodate(new_page);
-
- mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
- haddr, haddr + HPAGE_PMD_SIZE);
- mmu_notifier_invalidate_range_start(&range);
-
- spin_lock(vmf->ptl);
- if (page)
- put_page(page);
- if (unlikely(!pmd_same(*vmf->pmd, orig_pmd))) {
spin_unlock(vmf->ptl);
- mem_cgroup_cancel_charge(new_page, memcg, true);
- put_page(new_page);
- goto out_mn;
- } else {
- pmd_t entry;
- entry = mk_huge_pmd(new_page, vma->vm_page_prot);
- entry = maybe_pmd_mkwrite(pmd_mkdirty(entry), vma);
- pmdp_huge_clear_flush_notify(vma, haddr, vmf->pmd);
- page_add_new_anon_rmap(new_page, vma, haddr, true);
- mem_cgroup_commit_charge(new_page, memcg, false, true);
- lru_cache_add_active_or_unevictable(new_page, vma);
- set_pmd_at(vma->vm_mm, haddr, vmf->pmd, entry);
- update_mmu_cache_pmd(vma, vmf->address, vmf->pmd);
- if (!page) {
- add_mm_counter(vma->vm_mm, MM_ANONPAGES, HPAGE_PMD_NR);
- } else {
- VM_BUG_ON_PAGE(!PageHead(page), page);
- page_remove_rmap(page, true);
- put_page(page);
- }
- ret |= VM_FAULT_WRITE;
+ return VM_FAULT_WRITE;
}
+
+ unlock_page(page);
spin_unlock(vmf->ptl);
-out_mn:
- /*
- * No need to double call mmu_notifier->invalidate_range() callback as
- * the above pmdp_huge_clear_flush_notify() did already call it.
- */
- mmu_notifier_invalidate_range_only_end(&range);
-out:
- return ret;
-out_unlock:
- spin_unlock(vmf->ptl);
- return ret;
+fallback:
+ __split_huge_pmd(vma, vmf->pmd, vmf->address, false, NULL);
+ return VM_FAULT_FALLBACK;
}
/*
- * FOLL_FORCE can write to even unwritable pmd's, but only
- * after we've gone through a COW cycle and they are dirty.
+ * FOLL_FORCE or a forced COW break can write even to unwritable pmd's,
+ * but only after we've gone through a COW cycle and they are dirty.
*/
static inline bool can_follow_write_pmd(pmd_t pmd, unsigned int flags)
{
- return pmd_write(pmd) ||
- ((flags & FOLL_FORCE) && (flags & FOLL_COW) && pmd_dirty(pmd));
+ return pmd_write(pmd) || ((flags & FOLL_COW) && pmd_dirty(pmd));
}
struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
@@ -1582,7 +1378,6 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
goto skip_mlock;
if (!trylock_page(page))
goto skip_mlock;
- lru_add_drain();
if (page->mapping && !PageDoubleMap(page))
mlock_vma_page(page);
unlock_page(page);
@@ -2360,15 +2155,17 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
atomic_inc(&page[i]._mapcount);
}
+ lock_page_memcg(page);
if (atomic_add_negative(-1, compound_mapcount_ptr(page))) {
/* Last compound_mapcount is gone. */
- __dec_node_page_state(page, NR_ANON_THPS);
+ __dec_lruvec_page_state(page, NR_ANON_THPS);
if (TestClearPageDoubleMap(page)) {
/* No need in mapcount reference anymore */
for (i = 0; i < HPAGE_PMD_NR; i++)
atomic_dec(&page[i]._mapcount);
}
}
+ unlock_page_memcg(page);
smp_wmb(); /* make pte visible before pmd */
pmd_populate(mm, pmd, pgtable);
@@ -2386,6 +2183,8 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
{
spinlock_t *ptl;
struct mmu_notifier_range range;
+ bool was_locked = false;
+ pmd_t _pmd;
mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, vma, vma->vm_mm,
address & HPAGE_PMD_MASK,
@@ -2398,11 +2197,32 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
* pmd against. Otherwise we can end up replacing wrong page.
*/
VM_BUG_ON(freeze && !page);
- if (page && page != pmd_page(*pmd))
- goto out;
+ if (page) {
+ VM_WARN_ON_ONCE(!PageLocked(page));
+ was_locked = true;
+ if (page != pmd_page(*pmd))
+ goto out;
+ }
+repeat:
if (pmd_trans_huge(*pmd)) {
- page = pmd_page(*pmd);
+ if (!page) {
+ page = pmd_page(*pmd);
+ if (unlikely(!trylock_page(page))) {
+ get_page(page);
+ _pmd = *pmd;
+ spin_unlock(ptl);
+ lock_page(page);
+ spin_lock(ptl);
+ if (unlikely(!pmd_same(*pmd, _pmd))) {
+ unlock_page(page);
+ put_page(page);
+ page = NULL;
+ goto repeat;
+ }
+ put_page(page);
+ }
+ }
if (PageMlocked(page))
clear_page_mlock(page);
} else if (!(pmd_devmap(*pmd) || is_pmd_migration_entry(*pmd)))
@@ -2410,6 +2230,8 @@ void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
__split_huge_pmd_locked(vma, pmd, range.start, freeze);
out:
spin_unlock(ptl);
+ if (!was_locked && page)
+ unlock_page(page);
/*
* No need to double call mmu_notifier->invalidate_range() callback.
* They are 3 cases to consider inside __split_huge_pmd_locked():
@@ -2784,7 +2606,6 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
struct anon_vma *anon_vma = NULL;
struct address_space *mapping = NULL;
int count, mapcount, extra_pins, ret;
- bool mlocked;
unsigned long flags;
pgoff_t end;
@@ -2843,14 +2664,9 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
goto out_unlock;
}
- mlocked = PageMlocked(head);
unmap_page(head);
VM_BUG_ON_PAGE(compound_mapcount(head), head);
- /* Make sure the page is not on per-CPU pagevec as it takes pin */
- if (mlocked)
- lru_add_drain();
-
/* prevent PageLRU to go away from under us, and freeze lru stats */
spin_lock_irqsave(&pgdata->lru_lock, flags);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cd459155d28a..ac0d7bbc0692 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -59,8 +59,8 @@ __initdata LIST_HEAD(huge_boot_pages);
/* for command line parsing */
static struct hstate * __initdata parsed_hstate;
static unsigned long __initdata default_hstate_max_huge_pages;
-static unsigned long __initdata default_hstate_size;
static bool __initdata parsed_valid_hugepagesz = true;
+static bool __initdata parsed_default_hugepagesz;
/*
* Protects updates to hugepage_freelists, hugepage_activelist, nr_huge_pages,
@@ -3060,7 +3060,7 @@ static void __init hugetlb_sysfs_init(void)
err = hugetlb_sysfs_add_hstate(h, hugepages_kobj,
hstate_kobjs, &hstate_attr_group);
if (err)
- pr_err("Hugetlb: Unable to add hstate %s", h->name);
+ pr_err("HugeTLB: Unable to add hstate %s", h->name);
}
}
@@ -3164,7 +3164,7 @@ static void hugetlb_register_node(struct node *node)
nhs->hstate_kobjs,
&per_node_hstate_attr_group);
if (err) {
- pr_err("Hugetlb: Unable to add hstate %s for node %d\n",
+ pr_err("HugeTLB: Unable to add hstate %s for node %d\n",
h->name, node->dev.id);
hugetlb_unregister_node(node);
break;
@@ -3212,23 +3212,41 @@ static int __init hugetlb_init(void)
{
int i;
- if (!hugepages_supported())
+ if (!hugepages_supported()) {
+ if (hugetlb_max_hstate || default_hstate_max_huge_pages)
+ pr_warn("HugeTLB: huge pages not supported, ignoring associated command-line parameters\n");
return 0;
+ }
- if (!size_to_hstate(default_hstate_size)) {
- if (default_hstate_size != 0) {
- pr_err("HugeTLB: unsupported default_hugepagesz %lu. Reverting to %lu\n",
- default_hstate_size, HPAGE_SIZE);
+ /*
+ * Make sure HPAGE_SIZE (HUGETLB_PAGE_ORDER) hstate exists. Some
+ * architectures depend on setup being done here.
+ */
+ hugetlb_add_hstate(HUGETLB_PAGE_ORDER);
+ if (!parsed_default_hugepagesz) {
+ /*
+ * If we did not parse a default huge page size, set
+ * default_hstate_idx to HPAGE_SIZE hstate. And, if the
+ * number of huge pages for this default size was implicitly
+ * specified, set that here as well.
+ * Note that the implicit setting will overwrite an explicit
+ * setting. A warning will be printed in this case.
+ */
+ default_hstate_idx = hstate_index(size_to_hstate(HPAGE_SIZE));
+ if (default_hstate_max_huge_pages) {
+ if (default_hstate.max_huge_pages) {
+ char buf[32];
+
+ string_get_size(huge_page_size(&default_hstate),
+ 1, STRING_UNITS_2, buf, 32);
+ pr_warn("HugeTLB: Ignoring hugepages=%lu associated with %s page size\n",
+ default_hstate.max_huge_pages, buf);
+ pr_warn("HugeTLB: Using hugepages=%lu for number of default huge pages\n",
+ default_hstate_max_huge_pages);
+ }
+ default_hstate.max_huge_pages =
+ default_hstate_max_huge_pages;
}
-
- default_hstate_size = HPAGE_SIZE;
- if (!size_to_hstate(default_hstate_size))
- hugetlb_add_hstate(HUGETLB_PAGE_ORDER);
- }
- default_hstate_idx = hstate_index(size_to_hstate(default_hstate_size));
- if (default_hstate_max_huge_pages) {
- if (!default_hstate.max_huge_pages)
- default_hstate.max_huge_pages = default_hstate_max_huge_pages;
}
hugetlb_cma_check();
@@ -3256,10 +3274,10 @@ static int __init hugetlb_init(void)
}
subsys_initcall(hugetlb_init);
-/* Should be called on processing a hugepagesz=... option */
-void __init hugetlb_bad_size(void)
+/* Overwritten by architectures with more huge page sizes */
+bool __init __attribute((weak)) arch_hugetlb_valid_size(unsigned long size)
{
- parsed_valid_hugepagesz = false;
+ return size == HPAGE_SIZE;
}
void __init hugetlb_add_hstate(unsigned int order)
@@ -3268,7 +3286,6 @@ void __init hugetlb_add_hstate(unsigned int order)
unsigned long i;
if (size_to_hstate(PAGE_SIZE << order)) {
- pr_warn("hugepagesz= specified twice, ignoring\n");
return;
}
BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE);
@@ -3289,20 +3306,29 @@ void __init hugetlb_add_hstate(unsigned int order)
parsed_hstate = h;
}
-static int __init hugetlb_nrpages_setup(char *s)
+/*
+ * hugepages command line processing
+ * hugepages normally follows a valid hugepagsz or default_hugepagsz
+ * specification. If not, ignore the hugepages value. hugepages can also
+ * be the first huge page command line option in which case it implicitly
+ * specifies the number of huge pages for the default size.
+ */
+static int __init hugepages_setup(char *s)
{
unsigned long *mhp;
static unsigned long *last_mhp;
if (!parsed_valid_hugepagesz) {
- pr_warn("hugepages = %s preceded by "
- "an unsupported hugepagesz, ignoring\n", s);
+ pr_warn("HugeTLB: hugepages=%s does not follow a valid hugepagesz, ignoring\n", s);
parsed_valid_hugepagesz = true;
- return 1;
+ return 0;
}
+
/*
- * !hugetlb_max_hstate means we haven't parsed a hugepagesz= parameter yet,
- * so this hugepages= parameter goes to the "default hstate".
+ * !hugetlb_max_hstate means we haven't parsed a hugepagesz= parameter
+ * yet, so this hugepages= parameter goes to the "default hstate".
+ * Otherwise, it goes with the previously parsed hugepagesz or
+ * default_hugepagesz.
*/
else if (!hugetlb_max_hstate)
mhp = &default_hstate_max_huge_pages;
@@ -3310,8 +3336,8 @@ static int __init hugetlb_nrpages_setup(char *s)
mhp = &parsed_hstate->max_huge_pages;
if (mhp == last_mhp) {
- pr_warn("hugepages= specified twice without interleaving hugepagesz=, ignoring\n");
- return 1;
+ pr_warn("HugeTLB: hugepages= specified twice without interleaving hugepagesz=, ignoring hugepages=%s\n", s);
+ return 0;
}
if (sscanf(s, "%lu", mhp) <= 0)
@@ -3329,14 +3355,102 @@ static int __init hugetlb_nrpages_setup(char *s)
return 1;
}
-__setup("hugepages=", hugetlb_nrpages_setup);
+__setup("hugepages=", hugepages_setup);
+
+/*
+ * hugepagesz command line processing
+ * A specific huge page size can only be specified once with hugepagesz.
+ * hugepagesz is followed by hugepages on the command line. The global
+ * variable 'parsed_valid_hugepagesz' is used to determine if prior
+ * hugepagesz argument was valid.
+ */
+static int __init hugepagesz_setup(char *s)
+{
+ unsigned long size;
+ struct hstate *h;
+
+ parsed_valid_hugepagesz = false;
+ size = (unsigned long)memparse(s, NULL);
+
+ if (!arch_hugetlb_valid_size(size)) {
+ pr_err("HugeTLB: unsupported hugepagesz=%s\n", s);
+ return 0;
+ }
+
+ h = size_to_hstate(size);
+ if (h) {
+ /*
+ * hstate for this size already exists. This is normally
+ * an error, but is allowed if the existing hstate is the
+ * default hstate. More specifically, it is only allowed if
+ * the number of huge pages for the default hstate was not
+ * previously specified.
+ */
+ if (!parsed_default_hugepagesz || h != &default_hstate ||
+ default_hstate.max_huge_pages) {
+ pr_warn("HugeTLB: hugepagesz=%s specified twice, ignoring\n", s);
+ return 0;
+ }
+
+ /*
+ * No need to call hugetlb_add_hstate() as hstate already
+ * exists. But, do set parsed_hstate so that a following
+ * hugepages= parameter will be applied to this hstate.
+ */
+ parsed_hstate = h;
+ parsed_valid_hugepagesz = true;
+ return 1;
+ }
+
+ hugetlb_add_hstate(ilog2(size) - PAGE_SHIFT);
+ parsed_valid_hugepagesz = true;
+ return 1;
+}
+__setup("hugepagesz=", hugepagesz_setup);
-static int __init hugetlb_default_setup(char *s)
+/*
+ * default_hugepagesz command line input
+ * Only one instance of default_hugepagesz allowed on command line.
+ */
+static int __init default_hugepagesz_setup(char *s)
{
- default_hstate_size = memparse(s, &s);
+ unsigned long size;
+
+ parsed_valid_hugepagesz = false;
+ if (parsed_default_hugepagesz) {
+ pr_err("HugeTLB: default_hugepagesz previously specified, ignoring %s\n", s);
+ return 0;
+ }
+
+ size = (unsigned long)memparse(s, NULL);
+
+ if (!arch_hugetlb_valid_size(size)) {
+ pr_err("HugeTLB: unsupported default_hugepagesz=%s\n", s);
+ return 0;
+ }
+
+ hugetlb_add_hstate(ilog2(size) - PAGE_SHIFT);
+ parsed_valid_hugepagesz = true;
+ parsed_default_hugepagesz = true;
+ default_hstate_idx = hstate_index(size_to_hstate(size));
+
+ /*
+ * The number of default huge pages (for this size) could have been
+ * specified as the first hugetlb parameter: hugepages=X. If so,
+ * then default_hstate_max_huge_pages is set. If the default huge
+ * page size is gigantic (>= MAX_ORDER), then the pages must be
+ * allocated here from bootmem allocator.
+ */
+ if (default_hstate_max_huge_pages) {
+ default_hstate.max_huge_pages = default_hstate_max_huge_pages;
+ if (hstate_is_gigantic(&default_hstate))
+ hugetlb_hstate_alloc_pages(&default_hstate);
+ default_hstate_max_huge_pages = 0;
+ }
+
return 1;
}
-__setup("default_hugepagesz=", hugetlb_default_setup);
+__setup("default_hugepagesz=", default_hugepagesz_setup);
static unsigned int cpuset_mems_nr(unsigned int *array)
{
@@ -3352,7 +3466,7 @@ static unsigned int cpuset_mems_nr(unsigned int *array)
#ifdef CONFIG_SYSCTL
static int hugetlb_sysctl_handler_common(bool obey_mempolicy,
struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
struct hstate *h = &default_hstate;
unsigned long tmp = h->max_huge_pages;
@@ -3375,7 +3489,7 @@ out:
}
int hugetlb_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
return hugetlb_sysctl_handler_common(false, table, write,
@@ -3384,7 +3498,7 @@ int hugetlb_sysctl_handler(struct ctl_table *table, int write,
#ifdef CONFIG_NUMA
int hugetlb_mempolicy_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
return hugetlb_sysctl_handler_common(true, table, write,
buffer, length, ppos);
@@ -3392,8 +3506,7 @@ int hugetlb_mempolicy_sysctl_handler(struct ctl_table *table, int write,
#endif /* CONFIG_NUMA */
int hugetlb_overcommit_handler(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
struct hstate *h = &default_hstate;
unsigned long tmp;
@@ -5355,8 +5468,8 @@ pte_t *huge_pte_alloc(struct mm_struct *mm,
* huge_pte_offset() - Walk the page table to resolve the hugepage
* entry at address @addr
*
- * Return: Pointer to page table or swap entry (PUD or PMD) for
- * address @addr, or NULL if a p*d_none() entry is encountered and the
+ * Return: Pointer to page table entry (PUD or PMD) for
+ * address @addr, or NULL if a !p*d_present() entry is encountered and the
* size @sz doesn't match the hugepage size at this level of the page
* table.
*/
@@ -5376,20 +5489,16 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
return NULL;
pud = pud_offset(p4d, addr);
- if (sz != PUD_SIZE && pud_none(*pud))
- return NULL;
- /* hugepage or swap? */
- if (pud_huge(*pud) || !pud_present(*pud))
+ if (sz == PUD_SIZE)
+ /* must be pud huge, non-present or none */
return (pte_t *)pud;
-
- pmd = pmd_offset(pud, addr);
- if (sz != PMD_SIZE && pmd_none(*pmd))
+ if (!pud_present(*pud))
return NULL;
- /* hugepage or swap? */
- if (pmd_huge(*pmd) || !pmd_present(*pmd))
- return (pte_t *)pmd;
+ /* must have a valid entry and size to go further */
- return NULL;
+ pmd = pmd_offset(pud, addr);
+ /* must be pmd huge, non-present or none */
+ return (pte_t *)pmd;
}
#endif /* CONFIG_ARCH_WANT_GENERAL_HUGETLB */
diff --git a/mm/internal.h b/mm/internal.h
index b5634e78f01d..9117bca90f4b 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -49,18 +49,20 @@ void unmap_page_range(struct mmu_gather *tlb,
unsigned long addr, unsigned long end,
struct zap_details *details);
-extern unsigned int __do_page_cache_readahead(struct address_space *mapping,
- struct file *filp, pgoff_t offset, unsigned long nr_to_read,
+void force_page_cache_readahead(struct address_space *, struct file *,
+ pgoff_t index, unsigned long nr_to_read);
+void __do_page_cache_readahead(struct address_space *, struct file *,
+ pgoff_t index, unsigned long nr_to_read,
unsigned long lookahead_size);
/*
* Submit IO for the read-ahead request in file_ra_state.
*/
-static inline unsigned long ra_submit(struct file_ra_state *ra,
+static inline void ra_submit(struct file_ra_state *ra,
struct address_space *mapping, struct file *filp)
{
- return __do_page_cache_readahead(mapping, filp,
- ra->start, ra->size, ra->async_size);
+ __do_page_cache_readahead(mapping, filp,
+ ra->start, ra->size, ra->async_size);
}
/**
@@ -125,10 +127,10 @@ extern pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address);
* between functions involved in allocations, including the alloc_pages*
* family of functions.
*
- * nodemask, migratetype and high_zoneidx are initialized only once in
+ * nodemask, migratetype and highest_zoneidx are initialized only once in
* __alloc_pages_nodemask() and then never change.
*
- * zonelist, preferred_zone and classzone_idx are set first in
+ * zonelist, preferred_zone and highest_zoneidx are set first in
* __alloc_pages_nodemask() for the fast path, and might be later changed
* in __alloc_pages_slowpath(). All other functions pass the whole strucure
* by a const pointer.
@@ -138,12 +140,21 @@ struct alloc_context {
nodemask_t *nodemask;
struct zoneref *preferred_zoneref;
int migratetype;
- enum zone_type high_zoneidx;
+
+ /*
+ * highest_zoneidx represents highest usable zone index of
+ * the allocation request. Due to the nature of the zone,
+ * memory on lower zone than the highest_zoneidx will be
+ * protected by lowmem_reserve[highest_zoneidx].
+ *
+ * highest_zoneidx is also used by reclaim/compaction to limit
+ * the target zone since higher zone than this index cannot be
+ * usable for this allocation request.
+ */
+ enum zone_type highest_zoneidx;
bool spread_dirty_pages;
};
-#define ac_classzone_idx(ac) zonelist_zone_idx(ac->preferred_zoneref)
-
/*
* Locate the struct page for both the matching buddy in our
* pair (buddy1) and the combined O(n+1) page they form (page).
@@ -222,7 +233,7 @@ struct compact_control {
int order; /* order a direct compactor needs */
int migratetype; /* migratetype of direct compactor */
const unsigned int alloc_flags; /* alloc flags of a direct compactor */
- const int classzone_idx; /* zone index of a direct compactor */
+ const int highest_zoneidx; /* zone index of a direct compactor */
enum migrate_mode mode; /* Async or sync migration mode */
bool ignore_skip_hint; /* Scan blocks even if marked skip */
bool no_set_skip_hint; /* Don't mark blocks for skipping */
@@ -527,7 +538,7 @@ extern unsigned long __must_check vm_mmap_pgoff(struct file *, unsigned long,
unsigned long, unsigned long);
extern void set_pageblock_order(void);
-unsigned long reclaim_clean_pages_from_list(struct zone *zone,
+unsigned int reclaim_clean_pages_from_list(struct zone *zone,
struct list_head *page_list);
/* The ALLOC_WMARK bits are used as an index to zone->watermark */
#define ALLOC_WMARK_MIN WMARK_MIN
diff --git a/mm/kasan/Makefile b/mm/kasan/Makefile
index 08b43de2383b..d532c2587731 100644
--- a/mm/kasan/Makefile
+++ b/mm/kasan/Makefile
@@ -1,23 +1,33 @@
# SPDX-License-Identifier: GPL-2.0
KASAN_SANITIZE := n
-UBSAN_SANITIZE_common.o := n
-UBSAN_SANITIZE_generic.o := n
-UBSAN_SANITIZE_generic_report.o := n
-UBSAN_SANITIZE_tags.o := n
+UBSAN_SANITIZE := n
KCOV_INSTRUMENT := n
+# Disable ftrace to avoid recursion.
CFLAGS_REMOVE_common.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_generic.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_generic_report.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_init.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_quarantine.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_report.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_tags.o = $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_tags_report.o = $(CC_FLAGS_FTRACE)
# Function splitter causes unnecessary splits in __asan_load1/__asan_store1
# see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63533
+CC_FLAGS_KASAN_RUNTIME := $(call cc-option, -fno-conserve-stack)
+CC_FLAGS_KASAN_RUNTIME += $(call cc-option, -fno-stack-protector)
+# Disable branch tracing to avoid recursion.
+CC_FLAGS_KASAN_RUNTIME += -DDISABLE_BRANCH_PROFILING
-CFLAGS_common.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
-CFLAGS_generic.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
-CFLAGS_generic_report.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
-CFLAGS_tags.o := $(call cc-option, -fno-conserve-stack -fno-stack-protector)
+CFLAGS_common.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_generic.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_generic_report.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_init.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_quarantine.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_report.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_tags.o := $(CC_FLAGS_KASAN_RUNTIME)
+CFLAGS_tags_report.o := $(CC_FLAGS_KASAN_RUNTIME)
obj-$(CONFIG_KASAN) := common.o init.o report.o
obj-$(CONFIG_KASAN_GENERIC) += generic.o generic_report.o quarantine.o
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 2906358e42f0..757d4074fe28 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -33,7 +33,6 @@
#include <linux/types.h>
#include <linux/vmalloc.h>
#include <linux/bug.h>
-#include <linux/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
@@ -613,24 +612,6 @@ void kasan_free_shadow(const struct vm_struct *vm)
}
#endif
-extern void __kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip);
-extern bool report_enabled(void);
-
-bool kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip)
-{
- unsigned long flags = user_access_save();
- bool ret = false;
-
- if (likely(report_enabled())) {
- __kasan_report(addr, size, is_write, ip);
- ret = true;
- }
-
- user_access_restore(flags);
-
- return ret;
-}
-
#ifdef CONFIG_MEMORY_HOTPLUG
static bool shadow_mapped(unsigned long addr)
{
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index 56ff8885fe2e..098a7dbaced6 100644
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -15,7 +15,6 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#define DISABLE_BRANCH_PROFILING
#include <linux/export.h>
#include <linux/interrupt.h>
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index e8f37199d885..cfade6413528 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -212,8 +212,6 @@ static inline const void *arch_kasan_set_tag(const void *addr, u8 tag)
asmlinkage void kasan_unpoison_task_stack_below(const void *watermark);
void __asan_register_globals(struct kasan_global *globals, size_t size);
void __asan_unregister_globals(struct kasan_global *globals, size_t size);
-void __asan_loadN(unsigned long addr, size_t size);
-void __asan_storeN(unsigned long addr, size_t size);
void __asan_handle_no_return(void);
void __asan_alloca_poison(unsigned long addr, size_t size);
void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom);
@@ -228,6 +226,8 @@ void __asan_load8(unsigned long addr);
void __asan_store8(unsigned long addr);
void __asan_load16(unsigned long addr);
void __asan_store16(unsigned long addr);
+void __asan_loadN(unsigned long addr, size_t size);
+void __asan_storeN(unsigned long addr, size_t size);
void __asan_load1_noabort(unsigned long addr);
void __asan_store1_noabort(unsigned long addr);
@@ -239,6 +239,21 @@ void __asan_load8_noabort(unsigned long addr);
void __asan_store8_noabort(unsigned long addr);
void __asan_load16_noabort(unsigned long addr);
void __asan_store16_noabort(unsigned long addr);
+void __asan_loadN_noabort(unsigned long addr, size_t size);
+void __asan_storeN_noabort(unsigned long addr, size_t size);
+
+void __asan_report_load1_noabort(unsigned long addr);
+void __asan_report_store1_noabort(unsigned long addr);
+void __asan_report_load2_noabort(unsigned long addr);
+void __asan_report_store2_noabort(unsigned long addr);
+void __asan_report_load4_noabort(unsigned long addr);
+void __asan_report_store4_noabort(unsigned long addr);
+void __asan_report_load8_noabort(unsigned long addr);
+void __asan_report_store8_noabort(unsigned long addr);
+void __asan_report_load16_noabort(unsigned long addr);
+void __asan_report_store16_noabort(unsigned long addr);
+void __asan_report_load_n_noabort(unsigned long addr, size_t size);
+void __asan_report_store_n_noabort(unsigned long addr, size_t size);
void __asan_set_shadow_00(const void *addr, size_t size);
void __asan_set_shadow_f1(const void *addr, size_t size);
@@ -247,4 +262,19 @@ void __asan_set_shadow_f3(const void *addr, size_t size);
void __asan_set_shadow_f5(const void *addr, size_t size);
void __asan_set_shadow_f8(const void *addr, size_t size);
+void __hwasan_load1_noabort(unsigned long addr);
+void __hwasan_store1_noabort(unsigned long addr);
+void __hwasan_load2_noabort(unsigned long addr);
+void __hwasan_store2_noabort(unsigned long addr);
+void __hwasan_load4_noabort(unsigned long addr);
+void __hwasan_store4_noabort(unsigned long addr);
+void __hwasan_load8_noabort(unsigned long addr);
+void __hwasan_store8_noabort(unsigned long addr);
+void __hwasan_load16_noabort(unsigned long addr);
+void __hwasan_store16_noabort(unsigned long addr);
+void __hwasan_loadN_noabort(unsigned long addr, size_t size);
+void __hwasan_storeN_noabort(unsigned long addr, size_t size);
+
+void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size);
+
#endif
diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 80f23c9da6b0..51ec45407a0b 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -29,6 +29,7 @@
#include <linux/kasan.h>
#include <linux/module.h>
#include <linux/sched/task_stack.h>
+#include <linux/uaccess.h>
#include <asm/sections.h>
@@ -454,7 +455,7 @@ static void print_shadow_for_address(const void *addr)
}
}
-bool report_enabled(void)
+static bool report_enabled(void)
{
if (current->kasan_depth)
return false;
@@ -479,7 +480,8 @@ void kasan_report_invalid_free(void *object, unsigned long ip)
end_report(&flags);
}
-void __kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip)
+static void __kasan_report(unsigned long addr, size_t size, bool is_write,
+ unsigned long ip)
{
struct kasan_access_info info;
void *tagged_addr;
@@ -518,6 +520,22 @@ void __kasan_report(unsigned long addr, size_t size, bool is_write, unsigned lon
end_report(&flags);
}
+bool kasan_report(unsigned long addr, size_t size, bool is_write,
+ unsigned long ip)
+{
+ unsigned long flags = user_access_save();
+ bool ret = false;
+
+ if (likely(report_enabled())) {
+ __kasan_report(addr, size, is_write, ip);
+ ret = true;
+ }
+
+ user_access_restore(flags);
+
+ return ret;
+}
+
#ifdef CONFIG_KASAN_INLINE
/*
* With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c
index 25b7734e7013..8a959fdd30e3 100644
--- a/mm/kasan/tags.c
+++ b/mm/kasan/tags.c
@@ -12,7 +12,6 @@
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#define DISABLE_BRANCH_PROFILING
#include <linux/export.h>
#include <linux/interrupt.h>
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 99d77ffb79c2..3f032487825b 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -28,6 +28,8 @@ enum scan_result {
SCAN_SUCCEED,
SCAN_PMD_NULL,
SCAN_EXCEED_NONE_PTE,
+ SCAN_EXCEED_SWAP_PTE,
+ SCAN_EXCEED_SHARED_PTE,
SCAN_PTE_NON_PRESENT,
SCAN_PTE_UFFD_WP,
SCAN_PAGE_RO,
@@ -47,7 +49,6 @@ enum scan_result {
SCAN_DEL_PAGE_LRU,
SCAN_ALLOC_HUGE_PAGE_FAIL,
SCAN_CGROUP_CHARGE_FAIL,
- SCAN_EXCEED_SWAP_PTE,
SCAN_TRUNCATED,
SCAN_PAGE_HAS_PRIVATE,
};
@@ -72,6 +73,7 @@ static DECLARE_WAIT_QUEUE_HEAD(khugepaged_wait);
*/
static unsigned int khugepaged_max_ptes_none __read_mostly;
static unsigned int khugepaged_max_ptes_swap __read_mostly;
+static unsigned int khugepaged_max_ptes_shared __read_mostly;
#define MM_SLOTS_HASH_BITS 10
static __read_mostly DEFINE_HASHTABLE(mm_slots_hash, MM_SLOTS_HASH_BITS);
@@ -291,15 +293,43 @@ static struct kobj_attribute khugepaged_max_ptes_swap_attr =
__ATTR(max_ptes_swap, 0644, khugepaged_max_ptes_swap_show,
khugepaged_max_ptes_swap_store);
+static ssize_t khugepaged_max_ptes_shared_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%u\n", khugepaged_max_ptes_shared);
+}
+
+static ssize_t khugepaged_max_ptes_shared_store(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ const char *buf, size_t count)
+{
+ int err;
+ unsigned long max_ptes_shared;
+
+ err = kstrtoul(buf, 10, &max_ptes_shared);
+ if (err || max_ptes_shared > HPAGE_PMD_NR-1)
+ return -EINVAL;
+
+ khugepaged_max_ptes_shared = max_ptes_shared;
+
+ return count;
+}
+
+static struct kobj_attribute khugepaged_max_ptes_shared_attr =
+ __ATTR(max_ptes_shared, 0644, khugepaged_max_ptes_shared_show,
+ khugepaged_max_ptes_shared_store);
+
static struct attribute *khugepaged_attr[] = {
&khugepaged_defrag_attr.attr,
&khugepaged_max_ptes_none_attr.attr,
+ &khugepaged_max_ptes_swap_attr.attr,
+ &khugepaged_max_ptes_shared_attr.attr,
&pages_to_scan_attr.attr,
&pages_collapsed_attr.attr,
&full_scans_attr.attr,
&scan_sleep_millisecs_attr.attr,
&alloc_sleep_millisecs_attr.attr,
- &khugepaged_max_ptes_swap_attr.attr,
NULL,
};
@@ -359,6 +389,7 @@ int __init khugepaged_init(void)
khugepaged_pages_to_scan = HPAGE_PMD_NR * 8;
khugepaged_max_ptes_none = HPAGE_PMD_NR - 1;
khugepaged_max_ptes_swap = HPAGE_PMD_NR / 8;
+ khugepaged_max_ptes_shared = HPAGE_PMD_NR / 2;
return 0;
}
@@ -512,27 +543,52 @@ void __khugepaged_exit(struct mm_struct *mm)
static void release_pte_page(struct page *page)
{
- dec_node_page_state(page, NR_ISOLATED_ANON + page_is_file_lru(page));
+ mod_node_page_state(page_pgdat(page),
+ NR_ISOLATED_ANON + page_is_file_lru(page),
+ -compound_nr(page));
unlock_page(page);
putback_lru_page(page);
}
-static void release_pte_pages(pte_t *pte, pte_t *_pte)
+static void release_pte_pages(pte_t *pte, pte_t *_pte,
+ struct list_head *compound_pagelist)
{
+ struct page *page, *tmp;
+
while (--_pte >= pte) {
pte_t pteval = *_pte;
- if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)))
- release_pte_page(pte_page(pteval));
+
+ page = pte_page(pteval);
+ if (!pte_none(pteval) && !is_zero_pfn(pte_pfn(pteval)) &&
+ !PageCompound(page))
+ release_pte_page(page);
+ }
+
+ list_for_each_entry_safe(page, tmp, compound_pagelist, lru) {
+ list_del(&page->lru);
+ release_pte_page(page);
}
}
+static bool is_refcount_suitable(struct page *page)
+{
+ int expected_refcount;
+
+ expected_refcount = total_mapcount(page);
+ if (PageSwapCache(page))
+ expected_refcount += compound_nr(page);
+
+ return page_count(page) == expected_refcount;
+}
+
static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
unsigned long address,
- pte_t *pte)
+ pte_t *pte,
+ struct list_head *compound_pagelist)
{
struct page *page = NULL;
pte_t *_pte;
- int none_or_zero = 0, result = 0, referenced = 0;
+ int none_or_zero = 0, shared = 0, result = 0, referenced = 0;
bool writable = false;
for (_pte = pte; _pte < pte+HPAGE_PMD_NR;
@@ -558,13 +614,27 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
goto out;
}
- /* TODO: teach khugepaged to collapse THP mapped with pte */
- if (PageCompound(page)) {
- result = SCAN_PAGE_COMPOUND;
+ VM_BUG_ON_PAGE(!PageAnon(page), page);
+
+ if (page_mapcount(page) > 1 &&
+ ++shared > khugepaged_max_ptes_shared) {
+ result = SCAN_EXCEED_SHARED_PTE;
goto out;
}
- VM_BUG_ON_PAGE(!PageAnon(page), page);
+ if (PageCompound(page)) {
+ struct page *p;
+ page = compound_head(page);
+
+ /*
+ * Check if we have dealt with the compound page
+ * already
+ */
+ list_for_each_entry(p, compound_pagelist, lru) {
+ if (page == p)
+ goto next;
+ }
+ }
/*
* We can do it before isolate_lru_page because the
@@ -578,28 +648,30 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
}
/*
- * cannot use mapcount: can't collapse if there's a gup pin.
- * The page must only be referenced by the scanned process
- * and page swap cache.
+ * Check if the page has any GUP (or other external) pins.
+ *
+ * The page table that maps the page has been already unlinked
+ * from the page table tree and this process cannot get
+ * an additinal pin on the page.
+ *
+ * New pins can come later if the page is shared across fork,
+ * but not from this process. The other process cannot write to
+ * the page, only trigger CoW.
*/
- if (page_count(page) != 1 + PageSwapCache(page)) {
+ if (!is_refcount_suitable(page)) {
unlock_page(page);
result = SCAN_PAGE_COUNT;
goto out;
}
- if (pte_write(pteval)) {
- writable = true;
- } else {
- if (PageSwapCache(page) &&
- !reuse_swap_page(page, NULL)) {
- unlock_page(page);
- result = SCAN_SWAP_CACHE_PAGE;
- goto out;
- }
+ if (!pte_write(pteval) && PageSwapCache(page) &&
+ !reuse_swap_page(page, NULL)) {
/*
- * Page is not in the swap cache. It can be collapsed
- * into a THP.
+ * Page is in the swap cache and cannot be re-used.
+ * It cannot be collapsed into a THP.
*/
+ unlock_page(page);
+ result = SCAN_SWAP_CACHE_PAGE;
+ goto out;
}
/*
@@ -611,16 +683,23 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
result = SCAN_DEL_PAGE_LRU;
goto out;
}
- inc_node_page_state(page,
- NR_ISOLATED_ANON + page_is_file_lru(page));
+ mod_node_page_state(page_pgdat(page),
+ NR_ISOLATED_ANON + page_is_file_lru(page),
+ compound_nr(page));
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(PageLRU(page), page);
+ if (PageCompound(page))
+ list_add_tail(&page->lru, compound_pagelist);
+next:
/* There should be enough young pte to collapse the page */
if (pte_young(pteval) ||
page_is_young(page) || PageReferenced(page) ||
mmu_notifier_test_young(vma->vm_mm, address))
referenced++;
+
+ if (pte_write(pteval))
+ writable = true;
}
if (likely(writable)) {
if (likely(referenced)) {
@@ -634,7 +713,7 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
}
out:
- release_pte_pages(pte, _pte);
+ release_pte_pages(pte, _pte, compound_pagelist);
trace_mm_collapse_huge_page_isolate(page, none_or_zero,
referenced, writable, result);
return 0;
@@ -643,13 +722,14 @@ out:
static void __collapse_huge_page_copy(pte_t *pte, struct page *page,
struct vm_area_struct *vma,
unsigned long address,
- spinlock_t *ptl)
+ spinlock_t *ptl,
+ struct list_head *compound_pagelist)
{
+ struct page *src_page, *tmp;
pte_t *_pte;
for (_pte = pte; _pte < pte + HPAGE_PMD_NR;
_pte++, page++, address += PAGE_SIZE) {
pte_t pteval = *_pte;
- struct page *src_page;
if (pte_none(pteval) || is_zero_pfn(pte_pfn(pteval))) {
clear_user_highpage(page, address);
@@ -669,8 +749,8 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page,
} else {
src_page = pte_page(pteval);
copy_user_highpage(page, src_page, address, vma);
- VM_BUG_ON_PAGE(page_mapcount(src_page) != 1, src_page);
- release_pte_page(src_page);
+ if (!PageCompound(src_page))
+ release_pte_page(src_page);
/*
* ptl mostly unnecessary, but preempt has to
* be disabled to update the per-cpu stats
@@ -687,6 +767,11 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page,
free_page_and_swap_cache(src_page);
}
}
+
+ list_for_each_entry_safe(src_page, tmp, compound_pagelist, lru) {
+ list_del(&src_page->lru);
+ release_pte_page(src_page);
+ }
}
static void khugepaged_alloc_sleep(void)
@@ -899,11 +984,6 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm,
.pgoff = linear_page_index(vma, address),
};
- /* we only decide to swapin, if there is enough young ptes */
- if (referenced < HPAGE_PMD_NR/2) {
- trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0);
- return false;
- }
vmf.pte = pte_offset_map(pmd, address);
for (; vmf.address < address + HPAGE_PMD_NR*PAGE_SIZE;
vmf.pte++, vmf.address += PAGE_SIZE) {
@@ -936,6 +1016,11 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm,
}
vmf.pte--;
pte_unmap(vmf.pte);
+
+ /* Drain LRU add pagevec to remove extra pin on the swapped in pages */
+ if (swapped_in)
+ lru_add_drain();
+
trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 1);
return true;
}
@@ -943,15 +1028,15 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm,
static void collapse_huge_page(struct mm_struct *mm,
unsigned long address,
struct page **hpage,
- int node, int referenced)
+ int node, int referenced, int unmapped)
{
+ LIST_HEAD(compound_pagelist);
pmd_t *pmd, _pmd;
pte_t *pte;
pgtable_t pgtable;
struct page *new_page;
spinlock_t *pmd_ptl, *pte_ptl;
int isolated = 0, result = 0;
- struct mem_cgroup *memcg;
struct vm_area_struct *vma;
struct mmu_notifier_range range;
gfp_t gfp;
@@ -974,15 +1059,15 @@ static void collapse_huge_page(struct mm_struct *mm,
goto out_nolock;
}
- if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp, &memcg, true))) {
+ if (unlikely(mem_cgroup_charge(new_page, mm, gfp))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out_nolock;
}
+ count_memcg_page_event(new_page, THP_COLLAPSE_ALLOC);
down_read(&mm->mmap_sem);
result = hugepage_vma_revalidate(mm, address, &vma);
if (result) {
- mem_cgroup_cancel_charge(new_page, memcg, true);
up_read(&mm->mmap_sem);
goto out_nolock;
}
@@ -990,7 +1075,6 @@ static void collapse_huge_page(struct mm_struct *mm,
pmd = mm_find_pmd(mm, address);
if (!pmd) {
result = SCAN_PMD_NULL;
- mem_cgroup_cancel_charge(new_page, memcg, true);
up_read(&mm->mmap_sem);
goto out_nolock;
}
@@ -1000,8 +1084,8 @@ static void collapse_huge_page(struct mm_struct *mm,
* If it fails, we release mmap_sem and jump out_nolock.
* Continuing to collapse causes inconsistency.
*/
- if (!__collapse_huge_page_swapin(mm, vma, address, pmd, referenced)) {
- mem_cgroup_cancel_charge(new_page, memcg, true);
+ if (unmapped && !__collapse_huge_page_swapin(mm, vma, address,
+ pmd, referenced)) {
up_read(&mm->mmap_sem);
goto out_nolock;
}
@@ -1044,7 +1128,8 @@ static void collapse_huge_page(struct mm_struct *mm,
mmu_notifier_invalidate_range_end(&range);
spin_lock(pte_ptl);
- isolated = __collapse_huge_page_isolate(vma, address, pte);
+ isolated = __collapse_huge_page_isolate(vma, address, pte,
+ &compound_pagelist);
spin_unlock(pte_ptl);
if (unlikely(!isolated)) {
@@ -1069,7 +1154,8 @@ static void collapse_huge_page(struct mm_struct *mm,
*/
anon_vma_unlock_write(vma->anon_vma);
- __collapse_huge_page_copy(pte, new_page, vma, address, pte_ptl);
+ __collapse_huge_page_copy(pte, new_page, vma, address, pte_ptl,
+ &compound_pagelist);
pte_unmap(pte);
__SetPageUptodate(new_page);
pgtable = pmd_pgtable(_pmd);
@@ -1087,8 +1173,6 @@ static void collapse_huge_page(struct mm_struct *mm,
spin_lock(pmd_ptl);
BUG_ON(!pmd_none(*pmd));
page_add_new_anon_rmap(new_page, vma, address, true);
- mem_cgroup_commit_charge(new_page, memcg, false, true);
- count_memcg_events(memcg, THP_COLLAPSE_ALLOC, 1);
lru_cache_add_active_or_unevictable(new_page, vma);
pgtable_trans_huge_deposit(mm, pmd, pgtable);
set_pmd_at(mm, address, pmd, _pmd);
@@ -1102,10 +1186,11 @@ static void collapse_huge_page(struct mm_struct *mm,
out_up_write:
up_write(&mm->mmap_sem);
out_nolock:
+ if (!IS_ERR_OR_NULL(*hpage))
+ mem_cgroup_uncharge(*hpage);
trace_mm_collapse_huge_page(mm, isolated, result);
return;
out:
- mem_cgroup_cancel_charge(new_page, memcg, true);
goto out_up_write;
}
@@ -1116,7 +1201,8 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
{
pmd_t *pmd;
pte_t *pte, *_pte;
- int ret = 0, none_or_zero = 0, result = 0, referenced = 0;
+ int ret = 0, result = 0, referenced = 0;
+ int none_or_zero = 0, shared = 0;
struct page *page = NULL;
unsigned long _address;
spinlock_t *ptl;
@@ -1188,12 +1274,14 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
goto out_unmap;
}
- /* TODO: teach khugepaged to collapse THP mapped with pte */
- if (PageCompound(page)) {
- result = SCAN_PAGE_COMPOUND;
+ if (page_mapcount(page) > 1 &&
+ ++shared > khugepaged_max_ptes_shared) {
+ result = SCAN_EXCEED_SHARED_PTE;
goto out_unmap;
}
+ page = compound_head(page);
+
/*
* Record which node the original page is from and save this
* information to khugepaged_node_load[].
@@ -1220,11 +1308,23 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
}
/*
- * cannot use mapcount: can't collapse if there's a gup pin.
- * The page must only be referenced by the scanned process
- * and page swap cache.
+ * Check if the page has any GUP (or other external) pins.
+ *
+ * Here the check is racy it may see totmal_mapcount > refcount
+ * in some cases.
+ * For example, one process with one forked child process.
+ * The parent has the PMD split due to MADV_DONTNEED, then
+ * the child is trying unmap the whole PMD, but khugepaged
+ * may be scanning the parent between the child has
+ * PageDoubleMap flag cleared and dec the mapcount. So
+ * khugepaged may see total_mapcount > refcount.
+ *
+ * But such case is ephemeral we could always retry collapse
+ * later. However it may report false positive if the page
+ * has excessive GUP pins (i.e. 512). Anyway the same check
+ * will be done again later the risk seems low.
*/
- if (page_count(page) != 1 + PageSwapCache(page)) {
+ if (!is_refcount_suitable(page)) {
result = SCAN_PAGE_COUNT;
goto out_unmap;
}
@@ -1233,22 +1333,21 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
mmu_notifier_test_young(vma->vm_mm, address))
referenced++;
}
- if (writable) {
- if (referenced) {
- result = SCAN_SUCCEED;
- ret = 1;
- } else {
- result = SCAN_LACK_REFERENCED_PAGE;
- }
- } else {
+ if (!writable) {
result = SCAN_PAGE_RO;
+ } else if (!referenced || (unmapped && referenced < HPAGE_PMD_NR/2)) {
+ result = SCAN_LACK_REFERENCED_PAGE;
+ } else {
+ result = SCAN_SUCCEED;
+ ret = 1;
}
out_unmap:
pte_unmap_unlock(pte, ptl);
if (ret) {
node = khugepaged_find_target_node();
/* collapse_huge_page will return with the mmap_sem released */
- collapse_huge_page(mm, address, hpage, node, referenced);
+ collapse_huge_page(mm, address, hpage, node,
+ referenced, unmapped);
}
out:
trace_mm_khugepaged_scan_pmd(mm, page, writable, referenced,
@@ -1515,7 +1614,6 @@ static void collapse_file(struct mm_struct *mm,
struct address_space *mapping = file->f_mapping;
gfp_t gfp;
struct page *new_page;
- struct mem_cgroup *memcg;
pgoff_t index, end = start + HPAGE_PMD_NR;
LIST_HEAD(pagelist);
XA_STATE_ORDER(xas, &mapping->i_pages, start, HPAGE_PMD_ORDER);
@@ -1534,10 +1632,11 @@ static void collapse_file(struct mm_struct *mm,
goto out;
}
- if (unlikely(mem_cgroup_try_charge(new_page, mm, gfp, &memcg, true))) {
+ if (unlikely(mem_cgroup_charge(new_page, mm, gfp))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out;
}
+ count_memcg_page_event(new_page, THP_COLLAPSE_ALLOC);
/* This will be less messy when we use multi-index entries */
do {
@@ -1547,7 +1646,6 @@ static void collapse_file(struct mm_struct *mm,
break;
xas_unlock_irq(&xas);
if (!xas_nomem(&xas, GFP_KERNEL)) {
- mem_cgroup_cancel_charge(new_page, memcg, true);
result = SCAN_FAIL;
goto out;
}
@@ -1692,6 +1790,7 @@ static void collapse_file(struct mm_struct *mm,
if (page_has_private(page) &&
!try_to_release_page(page, GFP_KERNEL)) {
result = SCAN_PAGE_HAS_PRIVATE;
+ putback_lru_page(page);
goto out_unlock;
}
@@ -1740,12 +1839,9 @@ out_unlock:
}
if (nr_none) {
- struct zone *zone = page_zone(new_page);
-
- __mod_node_page_state(zone->zone_pgdat, NR_FILE_PAGES, nr_none);
+ __mod_lruvec_page_state(new_page, NR_FILE_PAGES, nr_none);
if (is_shmem)
- __mod_node_page_state(zone->zone_pgdat,
- NR_SHMEM, nr_none);
+ __mod_lruvec_page_state(new_page, NR_SHMEM, nr_none);
}
xa_locked:
@@ -1783,15 +1879,9 @@ xa_unlocked:
SetPageUptodate(new_page);
page_ref_add(new_page, HPAGE_PMD_NR - 1);
- mem_cgroup_commit_charge(new_page, memcg, false, true);
-
- if (is_shmem) {
+ if (is_shmem)
set_page_dirty(new_page);
- lru_cache_add_anon(new_page);
- } else {
- lru_cache_add_file(new_page);
- }
- count_memcg_events(memcg, THP_COLLAPSE_ALLOC, 1);
+ lru_cache_add(new_page);
/*
* Remove pte page tables, so we can re-fault the page as huge.
@@ -1838,13 +1928,14 @@ xa_unlocked:
VM_BUG_ON(nr_none);
xas_unlock_irq(&xas);
- mem_cgroup_cancel_charge(new_page, memcg, true);
new_page->mapping = NULL;
}
unlock_page(new_page);
out:
VM_BUG_ON(!list_empty(&pagelist));
+ if (!IS_ERR_OR_NULL(*hpage))
+ mem_cgroup_uncharge(*hpage);
/* TODO: tracepoints */
}
@@ -2083,6 +2174,8 @@ static void khugepaged_do_scan(void)
barrier(); /* write khugepaged_pages_to_scan to local stack */
+ lru_add_drain_all();
+
while (progress < pages) {
if (!khugepaged_prealloc_page(&hpage, &wait))
break;
diff --git a/mm/ksm.c b/mm/ksm.c
index a558da9e7177..281c00129a2e 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2112,8 +2112,16 @@ static void cmp_and_merge_page(struct page *page, struct rmap_item *rmap_item)
down_read(&mm->mmap_sem);
vma = find_mergeable_vma(mm, rmap_item->address);
- err = try_to_merge_one_page(vma, page,
- ZERO_PAGE(rmap_item->address));
+ if (vma) {
+ err = try_to_merge_one_page(vma, page,
+ ZERO_PAGE(rmap_item->address));
+ } else {
+ /*
+ * If the vma is out of date, we do not need to
+ * continue.
+ */
+ err = 0;
+ }
up_read(&mm->mmap_sem);
/*
* In case of failure, the page was not really empty, so we
diff --git a/mm/madvise.c b/mm/madvise.c
index 4bb30ed6c8d2..8cbd8c1bfe15 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -27,6 +27,7 @@
#include <linux/swapops.h>
#include <linux/shmem_fs.h>
#include <linux/mmu_notifier.h>
+#include <linux/sched/mm.h>
#include <asm/tlb.h>
@@ -1090,6 +1091,23 @@ int do_madvise(unsigned long start, size_t len_in, int behavior)
if (write) {
if (down_write_killable(&current->mm->mmap_sem))
return -EINTR;
+
+ /*
+ * We may have stolen the mm from another process
+ * that is undergoing core dumping.
+ *
+ * Right now that's io_ring, in the future it may
+ * be remote process management and not "current"
+ * at all.
+ *
+ * We need to fix core dumping to not do this,
+ * but for now we have the mmget_still_valid()
+ * model.
+ */
+ if (!mmget_still_valid(current->mm)) {
+ up_write(&current->mm->mmap_sem);
+ return -EINTR;
+ }
} else {
down_read(&current->mm->mmap_sem);
}
diff --git a/mm/memblock.c b/mm/memblock.c
index c79ba6f9920c..743659d88fc4 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -620,7 +620,7 @@ repeat:
* area, insert that portion.
*/
if (rbase > base) {
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
+#ifdef CONFIG_NEED_MULTIPLE_NODES
WARN_ON(nid != memblock_get_region_node(rgn));
#endif
WARN_ON(flags != rgn->flags);
@@ -1197,7 +1197,6 @@ void __init_memblock __next_mem_range_rev(u64 *idx, int nid,
*idx = ULLONG_MAX;
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
/*
* Common iterator interface used to define for_each_mem_pfn_range().
*/
@@ -1207,13 +1206,15 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid,
{
struct memblock_type *type = &memblock.memory;
struct memblock_region *r;
+ int r_nid;
while (++*idx < type->cnt) {
r = &type->regions[*idx];
+ r_nid = memblock_get_region_node(r);
if (PFN_UP(r->base) >= PFN_DOWN(r->base + r->size))
continue;
- if (nid == MAX_NUMNODES || nid == r->nid)
+ if (nid == MAX_NUMNODES || nid == r_nid)
break;
}
if (*idx >= type->cnt) {
@@ -1226,7 +1227,7 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid,
if (out_end_pfn)
*out_end_pfn = PFN_DOWN(r->base + r->size);
if (out_nid)
- *out_nid = r->nid;
+ *out_nid = r_nid;
}
/**
@@ -1245,6 +1246,7 @@ void __init_memblock __next_mem_pfn_range(int *idx, int nid,
int __init_memblock memblock_set_node(phys_addr_t base, phys_addr_t size,
struct memblock_type *type, int nid)
{
+#ifdef CONFIG_NEED_MULTIPLE_NODES
int start_rgn, end_rgn;
int i, ret;
@@ -1256,9 +1258,10 @@ int __init_memblock memblock_set_node(phys_addr_t base, phys_addr_t size,
memblock_set_region_node(&type->regions[i], nid);
memblock_merge_regions(type);
+#endif
return 0;
}
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
/**
* __next_mem_pfn_range_in_zone - iterator for for_each_*_range_in_zone()
@@ -1797,7 +1800,6 @@ bool __init_memblock memblock_is_map_memory(phys_addr_t addr)
return !memblock_is_nomap(&memblock.memory.regions[i]);
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
unsigned long *start_pfn, unsigned long *end_pfn)
{
@@ -1810,9 +1812,8 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
*start_pfn = PFN_DOWN(type->regions[mid].base);
*end_pfn = PFN_DOWN(type->regions[mid].base + type->regions[mid].size);
- return type->regions[mid].nid;
+ return memblock_get_region_node(&type->regions[mid]);
}
-#endif
/**
* memblock_is_region_memory - check if a region is a subset of memory
@@ -1903,7 +1904,7 @@ static void __init_memblock memblock_dump(struct memblock_type *type)
size = rgn->size;
end = base + size - 1;
flags = rgn->flags;
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
+#ifdef CONFIG_NEED_MULTIPLE_NODES
if (memblock_get_region_node(rgn) != MAX_NUMNODES)
snprintf(nid_buf, sizeof(nid_buf), " on node %d",
memblock_get_region_node(rgn));
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5beea03dd58a..5381afb23d58 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -83,9 +83,9 @@ static bool cgroup_memory_nokmem;
/* Whether the swap controller is active */
#ifdef CONFIG_MEMCG_SWAP
-int do_swap_account __read_mostly;
+bool cgroup_memory_noswap __read_mostly;
#else
-#define do_swap_account 0
+#define cgroup_memory_noswap 1
#endif
#ifdef CONFIG_CGROUP_WRITEBACK
@@ -95,7 +95,7 @@ static DECLARE_WAIT_QUEUE_HEAD(memcg_cgwb_frn_waitq);
/* Whether legacy memory+swap accounting is active */
static bool do_memsw_account(void)
{
- return !cgroup_subsys_on_dfl(memory_cgrp_subsys) && do_swap_account;
+ return !cgroup_subsys_on_dfl(memory_cgrp_subsys) && !cgroup_memory_noswap;
}
#define THRESHOLDS_EVENTS_TARGET 128
@@ -834,25 +834,8 @@ static unsigned long memcg_events_local(struct mem_cgroup *memcg, int event)
static void mem_cgroup_charge_statistics(struct mem_cgroup *memcg,
struct page *page,
- bool compound, int nr_pages)
+ int nr_pages)
{
- /*
- * Here, RSS means 'mapped anon' and anon's SwapCache. Shmem/tmpfs is
- * counted as CACHE even if it's on ANON LRU.
- */
- if (PageAnon(page))
- __mod_memcg_state(memcg, MEMCG_RSS, nr_pages);
- else {
- __mod_memcg_state(memcg, MEMCG_CACHE, nr_pages);
- if (PageSwapBacked(page))
- __mod_memcg_state(memcg, NR_SHMEM, nr_pages);
- }
-
- if (compound) {
- VM_BUG_ON_PAGE(!PageTransHuge(page), page);
- __mod_memcg_state(memcg, MEMCG_RSS_HUGE, nr_pages);
- }
-
/* pagein of a big page is an event. So, ignore page size */
if (nr_pages > 0)
__count_memcg_events(memcg, PGPGIN, 1);
@@ -1218,9 +1201,8 @@ int mem_cgroup_scan_tasks(struct mem_cgroup *memcg,
* @page: the page
* @pgdat: pgdat of the page
*
- * This function is only safe when following the LRU page isolation
- * and putback protocol: the LRU lock must be held, and the page must
- * either be PageLRU() or the caller must have isolated/allocated it.
+ * This function relies on page->mem_cgroup being stable - see the
+ * access rules in commit_charge().
*/
struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct pglist_data *pgdat)
{
@@ -1314,7 +1296,7 @@ static unsigned long mem_cgroup_margin(struct mem_cgroup *memcg)
if (do_memsw_account()) {
count = page_counter_read(&memcg->memsw);
limit = READ_ONCE(memcg->memsw.max);
- if (count <= limit)
+ if (count < limit)
margin = min(margin, limit - count);
else
margin = 0;
@@ -1389,10 +1371,10 @@ static char *memory_stat_format(struct mem_cgroup *memcg)
*/
seq_buf_printf(&s, "anon %llu\n",
- (u64)memcg_page_state(memcg, MEMCG_RSS) *
+ (u64)memcg_page_state(memcg, NR_ANON_MAPPED) *
PAGE_SIZE);
seq_buf_printf(&s, "file %llu\n",
- (u64)memcg_page_state(memcg, MEMCG_CACHE) *
+ (u64)memcg_page_state(memcg, NR_FILE_PAGES) *
PAGE_SIZE);
seq_buf_printf(&s, "kernel_stack %llu\n",
(u64)memcg_page_state(memcg, MEMCG_KERNEL_STACK_KB) *
@@ -1418,15 +1400,11 @@ static char *memory_stat_format(struct mem_cgroup *memcg)
(u64)memcg_page_state(memcg, NR_WRITEBACK) *
PAGE_SIZE);
- /*
- * TODO: We should eventually replace our own MEMCG_RSS_HUGE counter
- * with the NR_ANON_THP vm counter, but right now it's a pain in the
- * arse because it requires migrating the work out of rmap to a place
- * where the page->mem_cgroup is set up and stable.
- */
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
seq_buf_printf(&s, "anon_thp %llu\n",
- (u64)memcg_page_state(memcg, MEMCG_RSS_HUGE) *
- PAGE_SIZE);
+ (u64)memcg_page_state(memcg, NR_ANON_THPS) *
+ HPAGE_PMD_SIZE);
+#endif
for (i = 0; i < NR_LRU_LISTS; i++)
seq_buf_printf(&s, "%s %llu\n", lru_list_name(i),
@@ -1451,6 +1429,8 @@ static char *memory_stat_format(struct mem_cgroup *memcg)
memcg_page_state(memcg, WORKINGSET_REFAULT));
seq_buf_printf(&s, "workingset_activate %lu\n",
memcg_page_state(memcg, WORKINGSET_ACTIVATE));
+ seq_buf_printf(&s, "workingset_restore %lu\n",
+ memcg_page_state(memcg, WORKINGSET_RESTORE));
seq_buf_printf(&s, "workingset_nodereclaim %lu\n",
memcg_page_state(memcg, WORKINGSET_NODERECLAIM));
@@ -1979,6 +1959,7 @@ void mem_cgroup_print_oom_group(struct mem_cgroup *memcg)
*/
struct mem_cgroup *lock_page_memcg(struct page *page)
{
+ struct page *head = compound_head(page); /* rmap on tail pages */
struct mem_cgroup *memcg;
unsigned long flags;
@@ -1998,7 +1979,7 @@ struct mem_cgroup *lock_page_memcg(struct page *page)
if (mem_cgroup_disabled())
return NULL;
again:
- memcg = page->mem_cgroup;
+ memcg = head->mem_cgroup;
if (unlikely(!memcg))
return NULL;
@@ -2006,7 +1987,7 @@ again:
return memcg;
spin_lock_irqsave(&memcg->move_lock, flags);
- if (memcg != page->mem_cgroup) {
+ if (memcg != head->mem_cgroup) {
spin_unlock_irqrestore(&memcg->move_lock, flags);
goto again;
}
@@ -2049,7 +2030,9 @@ void __unlock_page_memcg(struct mem_cgroup *memcg)
*/
void unlock_page_memcg(struct page *page)
{
- __unlock_page_memcg(page->mem_cgroup);
+ struct page *head = compound_head(page);
+
+ __unlock_page_memcg(head->mem_cgroup);
}
EXPORT_SYMBOL(unlock_page_memcg);
@@ -2250,7 +2233,8 @@ static void reclaim_high(struct mem_cgroup *memcg,
gfp_t gfp_mask)
{
do {
- if (page_counter_read(&memcg->memory) <= READ_ONCE(memcg->high))
+ if (page_counter_read(&memcg->memory) <=
+ READ_ONCE(memcg->memory.high))
continue;
memcg_memory_event(memcg, MEMCG_HIGH);
try_to_free_mem_cgroup_pages(memcg, nr_pages, gfp_mask, true);
@@ -2319,41 +2303,64 @@ static void high_work_func(struct work_struct *work)
#define MEMCG_DELAY_PRECISION_SHIFT 20
#define MEMCG_DELAY_SCALING_SHIFT 14
-/*
- * Get the number of jiffies that we should penalise a mischievous cgroup which
- * is exceeding its memory.high by checking both it and its ancestors.
- */
-static unsigned long calculate_high_delay(struct mem_cgroup *memcg,
- unsigned int nr_pages)
+static u64 calculate_overage(unsigned long usage, unsigned long high)
{
- unsigned long penalty_jiffies;
- u64 max_overage = 0;
+ u64 overage;
- do {
- unsigned long usage, high;
- u64 overage;
+ if (usage <= high)
+ return 0;
- usage = page_counter_read(&memcg->memory);
- high = READ_ONCE(memcg->high);
+ /*
+ * Prevent division by 0 in overage calculation by acting as if
+ * it was a threshold of 1 page
+ */
+ high = max(high, 1UL);
- if (usage <= high)
- continue;
+ overage = usage - high;
+ overage <<= MEMCG_DELAY_PRECISION_SHIFT;
+ return div64_u64(overage, high);
+}
- /*
- * Prevent division by 0 in overage calculation by acting as if
- * it was a threshold of 1 page
- */
- high = max(high, 1UL);
+static u64 mem_find_max_overage(struct mem_cgroup *memcg)
+{
+ u64 overage, max_overage = 0;
+
+ do {
+ overage = calculate_overage(page_counter_read(&memcg->memory),
+ READ_ONCE(memcg->memory.high));
+ max_overage = max(overage, max_overage);
+ } while ((memcg = parent_mem_cgroup(memcg)) &&
+ !mem_cgroup_is_root(memcg));
+
+ return max_overage;
+}
- overage = usage - high;
- overage <<= MEMCG_DELAY_PRECISION_SHIFT;
- overage = div64_u64(overage, high);
+static u64 swap_find_max_overage(struct mem_cgroup *memcg)
+{
+ u64 overage, max_overage = 0;
- if (overage > max_overage)
- max_overage = overage;
+ do {
+ overage = calculate_overage(page_counter_read(&memcg->swap),
+ READ_ONCE(memcg->swap.high));
+ if (overage)
+ memcg_memory_event(memcg, MEMCG_SWAP_HIGH);
+ max_overage = max(overage, max_overage);
} while ((memcg = parent_mem_cgroup(memcg)) &&
!mem_cgroup_is_root(memcg));
+ return max_overage;
+}
+
+/*
+ * Get the number of jiffies that we should penalise a mischievous cgroup which
+ * is exceeding its memory.high by checking both it and its ancestors.
+ */
+static unsigned long calculate_high_delay(struct mem_cgroup *memcg,
+ unsigned int nr_pages,
+ u64 max_overage)
+{
+ unsigned long penalty_jiffies;
+
if (!max_overage)
return 0;
@@ -2377,14 +2384,7 @@ static unsigned long calculate_high_delay(struct mem_cgroup *memcg,
* MEMCG_CHARGE_BATCH pages is nominal, so work out how much smaller or
* larger the current charge patch is than that.
*/
- penalty_jiffies = penalty_jiffies * nr_pages / MEMCG_CHARGE_BATCH;
-
- /*
- * Clamp the max delay per usermode return so as to still keep the
- * application moving forwards and also permit diagnostics, albeit
- * extremely slowly.
- */
- return min(penalty_jiffies, MEMCG_MAX_HIGH_DELAY_JIFFIES);
+ return penalty_jiffies * nr_pages / MEMCG_CHARGE_BATCH;
}
/*
@@ -2409,7 +2409,18 @@ void mem_cgroup_handle_over_high(void)
* memory.high is breached and reclaim is unable to keep up. Throttle
* allocators proactively to slow down excessive growth.
*/
- penalty_jiffies = calculate_high_delay(memcg, nr_pages);
+ penalty_jiffies = calculate_high_delay(memcg, nr_pages,
+ mem_find_max_overage(memcg));
+
+ penalty_jiffies += calculate_high_delay(memcg, nr_pages,
+ swap_find_max_overage(memcg));
+
+ /*
+ * Clamp the max delay per usermode return so as to still keep the
+ * application moving forwards and also permit diagnostics, albeit
+ * extremely slowly.
+ */
+ penalty_jiffies = min(penalty_jiffies, MEMCG_MAX_HIGH_DELAY_JIFFIES);
/*
* Don't sleep if the amount of jiffies this memcg owes us is so low
@@ -2594,12 +2605,32 @@ done_restock:
* reclaim, the cost of mismatch is negligible.
*/
do {
- if (page_counter_read(&memcg->memory) > READ_ONCE(memcg->high)) {
- /* Don't bother a random interrupted task */
- if (in_interrupt()) {
+ bool mem_high, swap_high;
+
+ mem_high = page_counter_read(&memcg->memory) >
+ READ_ONCE(memcg->memory.high);
+ swap_high = page_counter_read(&memcg->swap) >
+ READ_ONCE(memcg->swap.high);
+
+ /* Don't bother a random interrupted task */
+ if (in_interrupt()) {
+ if (mem_high) {
schedule_work(&memcg->high_work);
break;
}
+ continue;
+ }
+
+ if (mem_high || swap_high) {
+ /*
+ * The allocating tasks in this cgroup will need to do
+ * reclaim or be throttled to prevent further growth
+ * of the memory or swap footprints.
+ *
+ * Target some best-effort fairness between the tasks,
+ * and distribute reclaim work and delay penalties
+ * based on how much each task is actually allocating.
+ */
current->memcg_nr_pages_over_high += batch;
set_notify_resume(current);
break;
@@ -2609,6 +2640,7 @@ done_restock:
return 0;
}
+#if defined(CONFIG_MEMCG_KMEM) || defined(CONFIG_MMU)
static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages)
{
if (mem_cgroup_is_root(memcg))
@@ -2620,70 +2652,20 @@ static void cancel_charge(struct mem_cgroup *memcg, unsigned int nr_pages)
css_put_many(&memcg->css, nr_pages);
}
+#endif
-static void lock_page_lru(struct page *page, int *isolated)
-{
- pg_data_t *pgdat = page_pgdat(page);
-
- spin_lock_irq(&pgdat->lru_lock);
- if (PageLRU(page)) {
- struct lruvec *lruvec;
-
- lruvec = mem_cgroup_page_lruvec(page, pgdat);
- ClearPageLRU(page);
- del_page_from_lru_list(page, lruvec, page_lru(page));
- *isolated = 1;
- } else
- *isolated = 0;
-}
-
-static void unlock_page_lru(struct page *page, int isolated)
-{
- pg_data_t *pgdat = page_pgdat(page);
-
- if (isolated) {
- struct lruvec *lruvec;
-
- lruvec = mem_cgroup_page_lruvec(page, pgdat);
- VM_BUG_ON_PAGE(PageLRU(page), page);
- SetPageLRU(page);
- add_page_to_lru_list(page, lruvec, page_lru(page));
- }
- spin_unlock_irq(&pgdat->lru_lock);
-}
-
-static void commit_charge(struct page *page, struct mem_cgroup *memcg,
- bool lrucare)
+static void commit_charge(struct page *page, struct mem_cgroup *memcg)
{
- int isolated;
-
VM_BUG_ON_PAGE(page->mem_cgroup, page);
-
/*
- * In some cases, SwapCache and FUSE(splice_buf->radixtree), the page
- * may already be on some other mem_cgroup's LRU. Take care of it.
- */
- if (lrucare)
- lock_page_lru(page, &isolated);
-
- /*
- * Nobody should be changing or seriously looking at
- * page->mem_cgroup at this point:
- *
- * - the page is uncharged
+ * Any of the following ensures page->mem_cgroup stability:
*
- * - the page is off-LRU
- *
- * - an anonymous fault has exclusive page access, except for
- * a locked page table
- *
- * - a page cache insertion, a swapin fault, or a migration
- * have the page locked
+ * - the page lock
+ * - LRU isolation
+ * - lock_page_memcg()
+ * - exclusive reference
*/
page->mem_cgroup = memcg;
-
- if (lrucare)
- unlock_page_lru(page, isolated);
}
#ifdef CONFIG_MEMCG_KMEM
@@ -2802,7 +2784,12 @@ static void memcg_schedule_kmem_cache_create(struct mem_cgroup *memcg,
static inline bool memcg_kmem_bypass(void)
{
- if (in_interrupt() || !current->mm || (current->flags & PF_KTHREAD))
+ if (in_interrupt())
+ return true;
+
+ /* Allow remote memcg charging in kthread contexts. */
+ if ((!current->mm || (current->flags & PF_KTHREAD)) &&
+ !current->active_memcg)
return true;
return false;
}
@@ -3015,8 +3002,6 @@ void mem_cgroup_split_huge_fixup(struct page *head)
for (i = 1; i < HPAGE_PMD_NR; i++)
head[i].mem_cgroup = head->mem_cgroup;
-
- __mod_memcg_state(head->mem_cgroup, MEMCG_RSS_HUGE, -HPAGE_PMD_NR);
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
@@ -3299,8 +3284,8 @@ static unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap)
unsigned long val;
if (mem_cgroup_is_root(memcg)) {
- val = memcg_page_state(memcg, MEMCG_CACHE) +
- memcg_page_state(memcg, MEMCG_RSS);
+ val = memcg_page_state(memcg, NR_FILE_PAGES) +
+ memcg_page_state(memcg, NR_ANON_MAPPED);
if (swap)
val += memcg_page_state(memcg, MEMCG_SWAP);
} else {
@@ -3688,7 +3673,7 @@ static int mem_cgroup_move_charge_write(struct cgroup_subsys_state *css,
#define LRU_ALL ((1 << NR_LRU_LISTS) - 1)
static unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
- int nid, unsigned int lru_mask)
+ int nid, unsigned int lru_mask, bool tree)
{
struct lruvec *lruvec = mem_cgroup_lruvec(memcg, NODE_DATA(nid));
unsigned long nr = 0;
@@ -3699,13 +3684,17 @@ static unsigned long mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg,
for_each_lru(lru) {
if (!(BIT(lru) & lru_mask))
continue;
- nr += lruvec_page_state_local(lruvec, NR_LRU_BASE + lru);
+ if (tree)
+ nr += lruvec_page_state(lruvec, NR_LRU_BASE + lru);
+ else
+ nr += lruvec_page_state_local(lruvec, NR_LRU_BASE + lru);
}
return nr;
}
static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg,
- unsigned int lru_mask)
+ unsigned int lru_mask,
+ bool tree)
{
unsigned long nr = 0;
enum lru_list lru;
@@ -3713,7 +3702,10 @@ static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg,
for_each_lru(lru) {
if (!(BIT(lru) & lru_mask))
continue;
- nr += memcg_page_state_local(memcg, NR_LRU_BASE + lru);
+ if (tree)
+ nr += memcg_page_state(memcg, NR_LRU_BASE + lru);
+ else
+ nr += memcg_page_state_local(memcg, NR_LRU_BASE + lru);
}
return nr;
}
@@ -3733,34 +3725,28 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
};
const struct numa_stat *stat;
int nid;
- unsigned long nr;
struct mem_cgroup *memcg = mem_cgroup_from_seq(m);
for (stat = stats; stat < stats + ARRAY_SIZE(stats); stat++) {
- nr = mem_cgroup_nr_lru_pages(memcg, stat->lru_mask);
- seq_printf(m, "%s=%lu", stat->name, nr);
- for_each_node_state(nid, N_MEMORY) {
- nr = mem_cgroup_node_nr_lru_pages(memcg, nid,
- stat->lru_mask);
- seq_printf(m, " N%d=%lu", nid, nr);
- }
+ seq_printf(m, "%s=%lu", stat->name,
+ mem_cgroup_nr_lru_pages(memcg, stat->lru_mask,
+ false));
+ for_each_node_state(nid, N_MEMORY)
+ seq_printf(m, " N%d=%lu", nid,
+ mem_cgroup_node_nr_lru_pages(memcg, nid,
+ stat->lru_mask, false));
seq_putc(m, '\n');
}
for (stat = stats; stat < stats + ARRAY_SIZE(stats); stat++) {
- struct mem_cgroup *iter;
-
- nr = 0;
- for_each_mem_cgroup_tree(iter, memcg)
- nr += mem_cgroup_nr_lru_pages(iter, stat->lru_mask);
- seq_printf(m, "hierarchical_%s=%lu", stat->name, nr);
- for_each_node_state(nid, N_MEMORY) {
- nr = 0;
- for_each_mem_cgroup_tree(iter, memcg)
- nr += mem_cgroup_node_nr_lru_pages(
- iter, nid, stat->lru_mask);
- seq_printf(m, " N%d=%lu", nid, nr);
- }
+
+ seq_printf(m, "hierarchical_%s=%lu", stat->name,
+ mem_cgroup_nr_lru_pages(memcg, stat->lru_mask,
+ true));
+ for_each_node_state(nid, N_MEMORY)
+ seq_printf(m, " N%d=%lu", nid,
+ mem_cgroup_node_nr_lru_pages(memcg, nid,
+ stat->lru_mask, true));
seq_putc(m, '\n');
}
@@ -3769,9 +3755,11 @@ static int memcg_numa_stat_show(struct seq_file *m, void *v)
#endif /* CONFIG_NUMA */
static const unsigned int memcg1_stats[] = {
- MEMCG_CACHE,
- MEMCG_RSS,
- MEMCG_RSS_HUGE,
+ NR_FILE_PAGES,
+ NR_ANON_MAPPED,
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ NR_ANON_THPS,
+#endif
NR_SHMEM,
NR_FILE_MAPPED,
NR_FILE_DIRTY,
@@ -3782,7 +3770,9 @@ static const unsigned int memcg1_stats[] = {
static const char *const memcg1_stat_names[] = {
"cache",
"rss",
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
"rss_huge",
+#endif
"shmem",
"mapped_file",
"dirty",
@@ -3808,11 +3798,16 @@ static int memcg_stat_show(struct seq_file *m, void *v)
BUILD_BUG_ON(ARRAY_SIZE(memcg1_stat_names) != ARRAY_SIZE(memcg1_stats));
for (i = 0; i < ARRAY_SIZE(memcg1_stats); i++) {
+ unsigned long nr;
+
if (memcg1_stats[i] == MEMCG_SWAP && !do_memsw_account())
continue;
- seq_printf(m, "%s %lu\n", memcg1_stat_names[i],
- memcg_page_state_local(memcg, memcg1_stats[i]) *
- PAGE_SIZE);
+ nr = memcg_page_state_local(memcg, memcg1_stats[i]);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ if (memcg1_stats[i] == NR_ANON_THPS)
+ nr *= HPAGE_PMD_NR;
+#endif
+ seq_printf(m, "%s %lu\n", memcg1_stat_names[i], nr * PAGE_SIZE);
}
for (i = 0; i < ARRAY_SIZE(memcg1_events); i++)
@@ -3858,23 +3853,17 @@ static int memcg_stat_show(struct seq_file *m, void *v)
{
pg_data_t *pgdat;
struct mem_cgroup_per_node *mz;
- struct zone_reclaim_stat *rstat;
- unsigned long recent_rotated[2] = {0, 0};
- unsigned long recent_scanned[2] = {0, 0};
+ unsigned long anon_cost = 0;
+ unsigned long file_cost = 0;
for_each_online_pgdat(pgdat) {
mz = mem_cgroup_nodeinfo(memcg, pgdat->node_id);
- rstat = &mz->lruvec.reclaim_stat;
- recent_rotated[0] += rstat->recent_rotated[0];
- recent_rotated[1] += rstat->recent_rotated[1];
- recent_scanned[0] += rstat->recent_scanned[0];
- recent_scanned[1] += rstat->recent_scanned[1];
+ anon_cost += mz->lruvec.anon_cost;
+ file_cost += mz->lruvec.file_cost;
}
- seq_printf(m, "recent_rotated_anon %lu\n", recent_rotated[0]);
- seq_printf(m, "recent_rotated_file %lu\n", recent_rotated[1]);
- seq_printf(m, "recent_scanned_anon %lu\n", recent_scanned[0]);
- seq_printf(m, "recent_scanned_file %lu\n", recent_scanned[1]);
+ seq_printf(m, "anon_cost %lu\n", anon_cost);
+ seq_printf(m, "file_cost %lu\n", file_cost);
}
#endif
@@ -4330,7 +4319,6 @@ void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages,
*pdirty = memcg_exact_page_state(memcg, NR_FILE_DIRTY);
- /* this should eventually include NR_UNSTABLE_NFS */
*pwriteback = memcg_exact_page_state(memcg, NR_WRITEBACK);
*pfilepages = memcg_exact_page_state(memcg, NR_INACTIVE_FILE) +
memcg_exact_page_state(memcg, NR_ACTIVE_FILE);
@@ -4338,7 +4326,7 @@ void mem_cgroup_wb_stats(struct bdi_writeback *wb, unsigned long *pfilepages,
while ((parent = parent_mem_cgroup(memcg))) {
unsigned long ceiling = min(READ_ONCE(memcg->memory.max),
- READ_ONCE(memcg->high));
+ READ_ONCE(memcg->memory.high));
unsigned long used = page_counter_read(&memcg->memory);
*pheadroom = min(*pheadroom, ceiling - min(ceiling, used));
@@ -4990,19 +4978,22 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
unsigned int size;
int node;
int __maybe_unused i;
+ long error = -ENOMEM;
size = sizeof(struct mem_cgroup);
size += nr_node_ids * sizeof(struct mem_cgroup_per_node *);
memcg = kzalloc(size, GFP_KERNEL);
if (!memcg)
- return NULL;
+ return ERR_PTR(error);
memcg->id.id = idr_alloc(&mem_cgroup_idr, NULL,
1, MEM_CGROUP_ID_MAX,
GFP_KERNEL);
- if (memcg->id.id < 0)
+ if (memcg->id.id < 0) {
+ error = memcg->id.id;
goto fail;
+ }
memcg->vmstats_local = alloc_percpu(struct memcg_vmstats_percpu);
if (!memcg->vmstats_local)
@@ -5046,7 +5037,7 @@ static struct mem_cgroup *mem_cgroup_alloc(void)
fail:
mem_cgroup_id_remove(memcg);
__mem_cgroup_free(memcg);
- return NULL;
+ return ERR_PTR(error);
}
static struct cgroup_subsys_state * __ref
@@ -5057,11 +5048,12 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
long error = -ENOMEM;
memcg = mem_cgroup_alloc();
- if (!memcg)
- return ERR_PTR(error);
+ if (IS_ERR(memcg))
+ return ERR_CAST(memcg);
- WRITE_ONCE(memcg->high, PAGE_COUNTER_MAX);
+ page_counter_set_high(&memcg->memory, PAGE_COUNTER_MAX);
memcg->soft_limit = PAGE_COUNTER_MAX;
+ page_counter_set_high(&memcg->swap, PAGE_COUNTER_MAX);
if (parent) {
memcg->swappiness = mem_cgroup_swappiness(parent);
memcg->oom_kill_disable = parent->oom_kill_disable;
@@ -5108,7 +5100,7 @@ mem_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
fail:
mem_cgroup_id_remove(memcg);
mem_cgroup_free(memcg);
- return ERR_PTR(-ENOMEM);
+ return ERR_PTR(error);
}
static int mem_cgroup_css_online(struct cgroup_subsys_state *css)
@@ -5213,8 +5205,9 @@ static void mem_cgroup_css_reset(struct cgroup_subsys_state *css)
page_counter_set_max(&memcg->tcpmem, PAGE_COUNTER_MAX);
page_counter_set_min(&memcg->memory, 0);
page_counter_set_low(&memcg->memory, 0);
- WRITE_ONCE(memcg->high, PAGE_COUNTER_MAX);
+ page_counter_set_high(&memcg->memory, PAGE_COUNTER_MAX);
memcg->soft_limit = PAGE_COUNTER_MAX;
+ page_counter_set_high(&memcg->swap, PAGE_COUNTER_MAX);
memcg_wb_domain_size_changed(memcg);
}
@@ -5305,8 +5298,7 @@ static struct page *mc_handle_swap_pte(struct vm_area_struct *vma,
* we call find_get_page() with swapper_space directly.
*/
page = find_get_page(swap_address_space(ent), swp_offset(ent));
- if (do_memsw_account())
- entry->val = ent.val;
+ entry->val = ent.val;
return page;
}
@@ -5340,8 +5332,7 @@ static struct page *mc_handle_file_pte(struct vm_area_struct *vma,
page = find_get_entry(mapping, pgoff);
if (xa_is_value(page)) {
swp_entry_t swp = radix_to_swp_entry(page);
- if (do_memsw_account())
- *entry = swp;
+ *entry = swp;
page = find_get_page(swap_address_space(swp),
swp_offset(swp));
}
@@ -5372,10 +5363,8 @@ static int mem_cgroup_move_account(struct page *page,
{
struct lruvec *from_vec, *to_vec;
struct pglist_data *pgdat;
- unsigned long flags;
unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;
int ret;
- bool anon;
VM_BUG_ON(from == to);
VM_BUG_ON_PAGE(PageLRU(page), page);
@@ -5393,30 +5382,47 @@ static int mem_cgroup_move_account(struct page *page,
if (page->mem_cgroup != from)
goto out_unlock;
- anon = PageAnon(page);
-
pgdat = page_pgdat(page);
from_vec = mem_cgroup_lruvec(from, pgdat);
to_vec = mem_cgroup_lruvec(to, pgdat);
- spin_lock_irqsave(&from->move_lock, flags);
+ lock_page_memcg(page);
- if (!anon && page_mapped(page)) {
- __mod_lruvec_state(from_vec, NR_FILE_MAPPED, -nr_pages);
- __mod_lruvec_state(to_vec, NR_FILE_MAPPED, nr_pages);
- }
+ if (PageAnon(page)) {
+ if (page_mapped(page)) {
+ __mod_lruvec_state(from_vec, NR_ANON_MAPPED, -nr_pages);
+ __mod_lruvec_state(to_vec, NR_ANON_MAPPED, nr_pages);
+ if (PageTransHuge(page)) {
+ __mod_lruvec_state(from_vec, NR_ANON_THPS,
+ -nr_pages);
+ __mod_lruvec_state(to_vec, NR_ANON_THPS,
+ nr_pages);
+ }
- /*
- * move_lock grabbed above and caller set from->moving_account, so
- * mod_memcg_page_state will serialize updates to PageDirty.
- * So mapping should be stable for dirty pages.
- */
- if (!anon && PageDirty(page)) {
- struct address_space *mapping = page_mapping(page);
+ }
+ } else {
+ __mod_lruvec_state(from_vec, NR_FILE_PAGES, -nr_pages);
+ __mod_lruvec_state(to_vec, NR_FILE_PAGES, nr_pages);
- if (mapping_cap_account_dirty(mapping)) {
- __mod_lruvec_state(from_vec, NR_FILE_DIRTY, -nr_pages);
- __mod_lruvec_state(to_vec, NR_FILE_DIRTY, nr_pages);
+ if (PageSwapBacked(page)) {
+ __mod_lruvec_state(from_vec, NR_SHMEM, -nr_pages);
+ __mod_lruvec_state(to_vec, NR_SHMEM, nr_pages);
+ }
+
+ if (page_mapped(page)) {
+ __mod_lruvec_state(from_vec, NR_FILE_MAPPED, -nr_pages);
+ __mod_lruvec_state(to_vec, NR_FILE_MAPPED, nr_pages);
+ }
+
+ if (PageDirty(page)) {
+ struct address_space *mapping = page_mapping(page);
+
+ if (mapping_cap_account_dirty(mapping)) {
+ __mod_lruvec_state(from_vec, NR_FILE_DIRTY,
+ -nr_pages);
+ __mod_lruvec_state(to_vec, NR_FILE_DIRTY,
+ nr_pages);
+ }
}
}
@@ -5426,22 +5432,30 @@ static int mem_cgroup_move_account(struct page *page,
}
/*
+ * All state has been migrated, let's switch to the new memcg.
+ *
* It is safe to change page->mem_cgroup here because the page
- * is referenced, charged, and isolated - we can't race with
- * uncharging, charging, migration, or LRU putback.
+ * is referenced, charged, isolated, and locked: we can't race
+ * with (un)charging, migration, LRU putback, or anything else
+ * that would rely on a stable page->mem_cgroup.
+ *
+ * Note that lock_page_memcg is a memcg lock, not a page lock,
+ * to save space. As soon as we switch page->mem_cgroup to a
+ * new memcg that isn't locked, the above state can change
+ * concurrently again. Make sure we're truly done with it.
*/
+ smp_mb();
- /* caller should have done css_get */
- page->mem_cgroup = to;
+ page->mem_cgroup = to; /* caller should have done css_get */
- spin_unlock_irqrestore(&from->move_lock, flags);
+ __unlock_page_memcg(from);
ret = 0;
local_irq_disable();
- mem_cgroup_charge_statistics(to, page, compound, nr_pages);
+ mem_cgroup_charge_statistics(to, page, nr_pages);
memcg_check_events(to, page);
- mem_cgroup_charge_statistics(from, page, compound, -nr_pages);
+ mem_cgroup_charge_statistics(from, page, -nr_pages);
memcg_check_events(from, page);
local_irq_enable();
out_unlock:
@@ -6012,7 +6026,8 @@ static ssize_t memory_low_write(struct kernfs_open_file *of,
static int memory_high_show(struct seq_file *m, void *v)
{
- return seq_puts_memcg_tunable(m, READ_ONCE(mem_cgroup_from_seq(m)->high));
+ return seq_puts_memcg_tunable(m,
+ READ_ONCE(mem_cgroup_from_seq(m)->memory.high));
}
static ssize_t memory_high_write(struct kernfs_open_file *of,
@@ -6029,7 +6044,7 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
if (err)
return err;
- WRITE_ONCE(memcg->high, high);
+ page_counter_set_high(&memcg->memory, high);
for (;;) {
unsigned long nr_pages = page_counter_read(&memcg->memory);
@@ -6224,7 +6239,6 @@ static struct cftype memory_files[] = {
},
{
.name = "stat",
- .flags = CFTYPE_NOT_ON_ROOT,
.seq_show = memory_stat_show,
},
{
@@ -6427,125 +6441,63 @@ out:
}
/**
- * mem_cgroup_try_charge - try charging a page
+ * mem_cgroup_charge - charge a newly allocated page to a cgroup
* @page: page to charge
* @mm: mm context of the victim
* @gfp_mask: reclaim mode
- * @memcgp: charged memcg return
- * @compound: charge the page as compound or small page
*
* Try to charge @page to the memcg that @mm belongs to, reclaiming
* pages according to @gfp_mask if necessary.
*
- * Returns 0 on success, with *@memcgp pointing to the charged memcg.
- * Otherwise, an error code is returned.
- *
- * After page->mapping has been set up, the caller must finalize the
- * charge with mem_cgroup_commit_charge(). Or abort the transaction
- * with mem_cgroup_cancel_charge() in case page instantiation fails.
+ * Returns 0 on success. Otherwise, an error code is returned.
*/
-int mem_cgroup_try_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask, struct mem_cgroup **memcgp,
- bool compound)
+int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask)
{
+ unsigned int nr_pages = hpage_nr_pages(page);
struct mem_cgroup *memcg = NULL;
- unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;
int ret = 0;
if (mem_cgroup_disabled())
goto out;
if (PageSwapCache(page)) {
+ swp_entry_t ent = { .val = page_private(page), };
+ unsigned short id;
+
/*
* Every swap fault against a single page tries to charge the
* page, bail as early as possible. shmem_unuse() encounters
- * already charged pages, too. The USED bit is protected by
- * the page lock, which serializes swap cache removal, which
+ * already charged pages, too. page->mem_cgroup is protected
+ * by the page lock, which serializes swap cache removal, which
* in turn serializes uncharging.
*/
VM_BUG_ON_PAGE(!PageLocked(page), page);
if (compound_head(page)->mem_cgroup)
goto out;
- if (do_swap_account) {
- swp_entry_t ent = { .val = page_private(page), };
- unsigned short id = lookup_swap_cgroup_id(ent);
-
- rcu_read_lock();
- memcg = mem_cgroup_from_id(id);
- if (memcg && !css_tryget_online(&memcg->css))
- memcg = NULL;
- rcu_read_unlock();
- }
+ id = lookup_swap_cgroup_id(ent);
+ rcu_read_lock();
+ memcg = mem_cgroup_from_id(id);
+ if (memcg && !css_tryget_online(&memcg->css))
+ memcg = NULL;
+ rcu_read_unlock();
}
if (!memcg)
memcg = get_mem_cgroup_from_mm(mm);
ret = try_charge(memcg, gfp_mask, nr_pages);
+ if (ret)
+ goto out_put;
- css_put(&memcg->css);
-out:
- *memcgp = memcg;
- return ret;
-}
-
-int mem_cgroup_try_charge_delay(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask, struct mem_cgroup **memcgp,
- bool compound)
-{
- struct mem_cgroup *memcg;
- int ret;
-
- ret = mem_cgroup_try_charge(page, mm, gfp_mask, memcgp, compound);
- memcg = *memcgp;
- mem_cgroup_throttle_swaprate(memcg, page_to_nid(page), gfp_mask);
- return ret;
-}
-
-/**
- * mem_cgroup_commit_charge - commit a page charge
- * @page: page to charge
- * @memcg: memcg to charge the page to
- * @lrucare: page might be on LRU already
- * @compound: charge the page as compound or small page
- *
- * Finalize a charge transaction started by mem_cgroup_try_charge(),
- * after page->mapping has been set up. This must happen atomically
- * as part of the page instantiation, i.e. under the page table lock
- * for anonymous pages, under the page lock for page and swap cache.
- *
- * In addition, the page must not be on the LRU during the commit, to
- * prevent racing with task migration. If it might be, use @lrucare.
- *
- * Use mem_cgroup_cancel_charge() to cancel the transaction instead.
- */
-void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
- bool lrucare, bool compound)
-{
- unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;
-
- VM_BUG_ON_PAGE(!page->mapping, page);
- VM_BUG_ON_PAGE(PageLRU(page) && !lrucare, page);
-
- if (mem_cgroup_disabled())
- return;
- /*
- * Swap faults will attempt to charge the same page multiple
- * times. But reuse_swap_page() might have removed the page
- * from swapcache already, so we can't check PageSwapCache().
- */
- if (!memcg)
- return;
-
- commit_charge(page, memcg, lrucare);
+ commit_charge(page, memcg);
local_irq_disable();
- mem_cgroup_charge_statistics(memcg, page, compound, nr_pages);
+ mem_cgroup_charge_statistics(memcg, page, nr_pages);
memcg_check_events(memcg, page);
local_irq_enable();
- if (do_memsw_account() && PageSwapCache(page)) {
+ if (PageSwapCache(page)) {
swp_entry_t entry = { .val = page_private(page) };
/*
* The swap entry might not get freed for a long time,
@@ -6554,42 +6506,18 @@ void mem_cgroup_commit_charge(struct page *page, struct mem_cgroup *memcg,
*/
mem_cgroup_uncharge_swap(entry, nr_pages);
}
-}
-/**
- * mem_cgroup_cancel_charge - cancel a page charge
- * @page: page to charge
- * @memcg: memcg to charge the page to
- * @compound: charge the page as compound or small page
- *
- * Cancel a charge transaction started by mem_cgroup_try_charge().
- */
-void mem_cgroup_cancel_charge(struct page *page, struct mem_cgroup *memcg,
- bool compound)
-{
- unsigned int nr_pages = compound ? hpage_nr_pages(page) : 1;
-
- if (mem_cgroup_disabled())
- return;
- /*
- * Swap faults will attempt to charge the same page multiple
- * times. But reuse_swap_page() might have removed the page
- * from swapcache already, so we can't check PageSwapCache().
- */
- if (!memcg)
- return;
-
- cancel_charge(memcg, nr_pages);
+out_put:
+ css_put(&memcg->css);
+out:
+ return ret;
}
struct uncharge_gather {
struct mem_cgroup *memcg;
+ unsigned long nr_pages;
unsigned long pgpgout;
- unsigned long nr_anon;
- unsigned long nr_file;
unsigned long nr_kmem;
- unsigned long nr_huge;
- unsigned long nr_shmem;
struct page *dummy_page;
};
@@ -6600,37 +6528,32 @@ static inline void uncharge_gather_clear(struct uncharge_gather *ug)
static void uncharge_batch(const struct uncharge_gather *ug)
{
- unsigned long nr_pages = ug->nr_anon + ug->nr_file + ug->nr_kmem;
unsigned long flags;
if (!mem_cgroup_is_root(ug->memcg)) {
- page_counter_uncharge(&ug->memcg->memory, nr_pages);
+ page_counter_uncharge(&ug->memcg->memory, ug->nr_pages);
if (do_memsw_account())
- page_counter_uncharge(&ug->memcg->memsw, nr_pages);
+ page_counter_uncharge(&ug->memcg->memsw, ug->nr_pages);
if (!cgroup_subsys_on_dfl(memory_cgrp_subsys) && ug->nr_kmem)
page_counter_uncharge(&ug->memcg->kmem, ug->nr_kmem);
memcg_oom_recover(ug->memcg);
}
local_irq_save(flags);
- __mod_memcg_state(ug->memcg, MEMCG_RSS, -ug->nr_anon);
- __mod_memcg_state(ug->memcg, MEMCG_CACHE, -ug->nr_file);
- __mod_memcg_state(ug->memcg, MEMCG_RSS_HUGE, -ug->nr_huge);
- __mod_memcg_state(ug->memcg, NR_SHMEM, -ug->nr_shmem);
__count_memcg_events(ug->memcg, PGPGOUT, ug->pgpgout);
- __this_cpu_add(ug->memcg->vmstats_percpu->nr_page_events, nr_pages);
+ __this_cpu_add(ug->memcg->vmstats_percpu->nr_page_events, ug->nr_pages);
memcg_check_events(ug->memcg, ug->dummy_page);
local_irq_restore(flags);
if (!mem_cgroup_is_root(ug->memcg))
- css_put_many(&ug->memcg->css, nr_pages);
+ css_put_many(&ug->memcg->css, ug->nr_pages);
}
static void uncharge_page(struct page *page, struct uncharge_gather *ug)
{
+ unsigned long nr_pages;
+
VM_BUG_ON_PAGE(PageLRU(page), page);
- VM_BUG_ON_PAGE(page_count(page) && !is_zone_device_page(page) &&
- !PageHWPoison(page) , page);
if (!page->mem_cgroup)
return;
@@ -6649,23 +6572,13 @@ static void uncharge_page(struct page *page, struct uncharge_gather *ug)
ug->memcg = page->mem_cgroup;
}
- if (!PageKmemcg(page)) {
- unsigned int nr_pages = 1;
+ nr_pages = compound_nr(page);
+ ug->nr_pages += nr_pages;
- if (PageTransHuge(page)) {
- nr_pages = compound_nr(page);
- ug->nr_huge += nr_pages;
- }
- if (PageAnon(page))
- ug->nr_anon += nr_pages;
- else {
- ug->nr_file += nr_pages;
- if (PageSwapBacked(page))
- ug->nr_shmem += nr_pages;
- }
+ if (!PageKmemcg(page)) {
ug->pgpgout++;
} else {
- ug->nr_kmem += compound_nr(page);
+ ug->nr_kmem += nr_pages;
__ClearPageKmemcg(page);
}
@@ -6702,8 +6615,7 @@ static void uncharge_list(struct list_head *page_list)
* mem_cgroup_uncharge - uncharge a page
* @page: page to uncharge
*
- * Uncharge a page previously charged with mem_cgroup_try_charge() and
- * mem_cgroup_commit_charge().
+ * Uncharge a page previously charged with mem_cgroup_charge().
*/
void mem_cgroup_uncharge(struct page *page)
{
@@ -6726,7 +6638,7 @@ void mem_cgroup_uncharge(struct page *page)
* @page_list: list of pages to uncharge
*
* Uncharge a list of pages previously charged with
- * mem_cgroup_try_charge() and mem_cgroup_commit_charge().
+ * mem_cgroup_charge().
*/
void mem_cgroup_uncharge_list(struct list_head *page_list)
{
@@ -6779,11 +6691,10 @@ void mem_cgroup_migrate(struct page *oldpage, struct page *newpage)
page_counter_charge(&memcg->memsw, nr_pages);
css_get_many(&memcg->css, nr_pages);
- commit_charge(newpage, memcg, false);
+ commit_charge(newpage, memcg);
local_irq_save(flags);
- mem_cgroup_charge_statistics(memcg, newpage, PageTransHuge(newpage),
- nr_pages);
+ mem_cgroup_charge_statistics(memcg, newpage, nr_pages);
memcg_check_events(memcg, newpage);
local_irq_restore(flags);
}
@@ -6971,7 +6882,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
VM_BUG_ON_PAGE(PageLRU(page), page);
VM_BUG_ON_PAGE(page_count(page), page);
- if (!do_memsw_account())
+ if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
return;
memcg = page->mem_cgroup;
@@ -7000,7 +6911,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
if (!mem_cgroup_is_root(memcg))
page_counter_uncharge(&memcg->memory, nr_entries);
- if (memcg != swap_memcg) {
+ if (!cgroup_memory_noswap && memcg != swap_memcg) {
if (!mem_cgroup_is_root(swap_memcg))
page_counter_charge(&swap_memcg->memsw, nr_entries);
page_counter_uncharge(&memcg->memsw, nr_entries);
@@ -7013,8 +6924,7 @@ void mem_cgroup_swapout(struct page *page, swp_entry_t entry)
* only synchronisation we have for updating the per-CPU variables.
*/
VM_BUG_ON(!irqs_disabled());
- mem_cgroup_charge_statistics(memcg, page, PageTransHuge(page),
- -nr_entries);
+ mem_cgroup_charge_statistics(memcg, page, -nr_entries);
memcg_check_events(memcg, page);
if (!mem_cgroup_is_root(memcg))
@@ -7037,7 +6947,7 @@ int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
struct mem_cgroup *memcg;
unsigned short oldid;
- if (!cgroup_subsys_on_dfl(memory_cgrp_subsys) || !do_swap_account)
+ if (!cgroup_subsys_on_dfl(memory_cgrp_subsys))
return 0;
memcg = page->mem_cgroup;
@@ -7053,7 +6963,7 @@ int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry)
memcg = mem_cgroup_id_get_online(memcg);
- if (!mem_cgroup_is_root(memcg) &&
+ if (!cgroup_memory_noswap && !mem_cgroup_is_root(memcg) &&
!page_counter_try_charge(&memcg->swap, nr_pages, &counter)) {
memcg_memory_event(memcg, MEMCG_SWAP_MAX);
memcg_memory_event(memcg, MEMCG_SWAP_FAIL);
@@ -7081,14 +6991,11 @@ void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages)
struct mem_cgroup *memcg;
unsigned short id;
- if (!do_swap_account)
- return;
-
id = swap_cgroup_record(entry, 0, nr_pages);
rcu_read_lock();
memcg = mem_cgroup_from_id(id);
if (memcg) {
- if (!mem_cgroup_is_root(memcg)) {
+ if (!cgroup_memory_noswap && !mem_cgroup_is_root(memcg)) {
if (cgroup_subsys_on_dfl(memory_cgrp_subsys))
page_counter_uncharge(&memcg->swap, nr_pages);
else
@@ -7104,7 +7011,7 @@ long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg)
{
long nr_swap_pages = get_nr_swap_pages();
- if (!do_swap_account || !cgroup_subsys_on_dfl(memory_cgrp_subsys))
+ if (cgroup_memory_noswap || !cgroup_subsys_on_dfl(memory_cgrp_subsys))
return nr_swap_pages;
for (; memcg != root_mem_cgroup; memcg = parent_mem_cgroup(memcg))
nr_swap_pages = min_t(long, nr_swap_pages,
@@ -7121,37 +7028,33 @@ bool mem_cgroup_swap_full(struct page *page)
if (vm_swap_full())
return true;
- if (!do_swap_account || !cgroup_subsys_on_dfl(memory_cgrp_subsys))
+ if (cgroup_memory_noswap || !cgroup_subsys_on_dfl(memory_cgrp_subsys))
return false;
memcg = page->mem_cgroup;
if (!memcg)
return false;
- for (; memcg != root_mem_cgroup; memcg = parent_mem_cgroup(memcg))
- if (page_counter_read(&memcg->swap) * 2 >=
- READ_ONCE(memcg->swap.max))
+ for (; memcg != root_mem_cgroup; memcg = parent_mem_cgroup(memcg)) {
+ unsigned long usage = page_counter_read(&memcg->swap);
+
+ if (usage * 2 >= READ_ONCE(memcg->swap.high) ||
+ usage * 2 >= READ_ONCE(memcg->swap.max))
return true;
+ }
return false;
}
-/* for remember boot option*/
-#ifdef CONFIG_MEMCG_SWAP_ENABLED
-static int really_do_swap_account __initdata = 1;
-#else
-static int really_do_swap_account __initdata;
-#endif
-
-static int __init enable_swap_account(char *s)
+static int __init setup_swap_account(char *s)
{
if (!strcmp(s, "1"))
- really_do_swap_account = 1;
+ cgroup_memory_noswap = 0;
else if (!strcmp(s, "0"))
- really_do_swap_account = 0;
+ cgroup_memory_noswap = 1;
return 1;
}
-__setup("swapaccount=", enable_swap_account);
+__setup("swapaccount=", setup_swap_account);
static u64 swap_current_read(struct cgroup_subsys_state *css,
struct cftype *cft)
@@ -7161,6 +7064,29 @@ static u64 swap_current_read(struct cgroup_subsys_state *css,
return (u64)page_counter_read(&memcg->swap) * PAGE_SIZE;
}
+static int swap_high_show(struct seq_file *m, void *v)
+{
+ return seq_puts_memcg_tunable(m,
+ READ_ONCE(mem_cgroup_from_seq(m)->swap.high));
+}
+
+static ssize_t swap_high_write(struct kernfs_open_file *of,
+ char *buf, size_t nbytes, loff_t off)
+{
+ struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of));
+ unsigned long high;
+ int err;
+
+ buf = strstrip(buf);
+ err = page_counter_memparse(buf, "max", &high);
+ if (err)
+ return err;
+
+ page_counter_set_high(&memcg->swap, high);
+
+ return nbytes;
+}
+
static int swap_max_show(struct seq_file *m, void *v)
{
return seq_puts_memcg_tunable(m,
@@ -7188,6 +7114,8 @@ static int swap_events_show(struct seq_file *m, void *v)
{
struct mem_cgroup *memcg = mem_cgroup_from_seq(m);
+ seq_printf(m, "high %lu\n",
+ atomic_long_read(&memcg->memory_events[MEMCG_SWAP_HIGH]));
seq_printf(m, "max %lu\n",
atomic_long_read(&memcg->memory_events[MEMCG_SWAP_MAX]));
seq_printf(m, "fail %lu\n",
@@ -7203,6 +7131,12 @@ static struct cftype swap_files[] = {
.read_u64 = swap_current_read,
},
{
+ .name = "swap.high",
+ .flags = CFTYPE_NOT_ON_ROOT,
+ .seq_show = swap_high_show,
+ .write = swap_high_write,
+ },
+ {
.name = "swap.max",
.flags = CFTYPE_NOT_ON_ROOT,
.seq_show = swap_max_show,
@@ -7217,7 +7151,7 @@ static struct cftype swap_files[] = {
{ } /* terminate */
};
-static struct cftype memsw_cgroup_files[] = {
+static struct cftype memsw_files[] = {
{
.name = "memsw.usage_in_bytes",
.private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
@@ -7246,13 +7180,16 @@ static struct cftype memsw_cgroup_files[] = {
static int __init mem_cgroup_swap_init(void)
{
- if (!mem_cgroup_disabled() && really_do_swap_account) {
- do_swap_account = 1;
- WARN_ON(cgroup_add_dfl_cftypes(&memory_cgrp_subsys,
- swap_files));
- WARN_ON(cgroup_add_legacy_cftypes(&memory_cgrp_subsys,
- memsw_cgroup_files));
- }
+ /* No memory control -> no swap control */
+ if (mem_cgroup_disabled())
+ cgroup_memory_noswap = true;
+
+ if (cgroup_memory_noswap)
+ return 0;
+
+ WARN_ON(cgroup_add_dfl_cftypes(&memory_cgrp_subsys, swap_files));
+ WARN_ON(cgroup_add_legacy_cftypes(&memory_cgrp_subsys, memsw_files));
+
return 0;
}
subsys_initcall(mem_cgroup_swap_init);
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index a96364be8ab4..ababa368cb68 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -210,14 +210,17 @@ static int kill_proc(struct to_kill *tk, unsigned long pfn, int flags)
{
struct task_struct *t = tk->tsk;
short addr_lsb = tk->size_shift;
- int ret;
+ int ret = 0;
- pr_err("Memory failure: %#lx: Sending SIGBUS to %s:%d due to hardware memory corruption\n",
- pfn, t->comm, t->pid);
+ if ((t->mm == current->mm) || !(flags & MF_ACTION_REQUIRED))
+ pr_err("Memory failure: %#lx: Sending SIGBUS to %s:%d due to hardware memory corruption\n",
+ pfn, t->comm, t->pid);
- if ((flags & MF_ACTION_REQUIRED) && t->mm == current->mm) {
- ret = force_sig_mceerr(BUS_MCEERR_AR, (void __user *)tk->addr,
- addr_lsb);
+ if (flags & MF_ACTION_REQUIRED) {
+ if (t->mm == current->mm)
+ ret = force_sig_mceerr(BUS_MCEERR_AR,
+ (void __user *)tk->addr, addr_lsb);
+ /* send no signal to non-current processes */
} else {
/*
* Don't use force here, it's convenient if the signal
@@ -1493,7 +1496,7 @@ static void memory_failure_work_func(struct work_struct *work)
unsigned long proc_flags;
int gotten;
- mf_cpu = this_cpu_ptr(&memory_failure_cpu);
+ mf_cpu = container_of(work, struct memory_failure_cpu, work);
for (;;) {
spin_lock_irqsave(&mf_cpu->lock, proc_flags);
gotten = kfifo_get(&mf_cpu->fifo, &entry);
@@ -1507,6 +1510,19 @@ static void memory_failure_work_func(struct work_struct *work)
}
}
+/*
+ * Process memory_failure work queued on the specified CPU.
+ * Used to avoid return-to-userspace racing with the memory_failure workqueue.
+ */
+void memory_failure_queue_kick(int cpu)
+{
+ struct memory_failure_cpu *mf_cpu;
+
+ mf_cpu = &per_cpu(memory_failure_cpu, cpu);
+ cancel_work_sync(&mf_cpu->work);
+ memory_failure_work_func(&mf_cpu->work);
+}
+
static int __init memory_failure_init(void)
{
struct memory_failure_cpu *mf_cpu;
diff --git a/mm/memory.c b/mm/memory.c
index f703fe8c8346..7b70398f76a0 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -802,8 +802,6 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
get_page(page);
page_dup_rmap(page, false);
rss[mm_counter(page)]++;
- } else if (pte_devmap(pte)) {
- page = pte_page(pte);
}
out_set_pte:
@@ -2436,10 +2434,9 @@ static inline bool cow_user_page(struct page *dst, struct page *src,
if (!likely(pte_same(*vmf->pte, vmf->orig_pte))) {
/*
* Other thread has already handled the fault
- * and we don't need to do anything. If it's
- * not the case, the fault will be triggered
- * again on the same address.
+ * and update local tlb only
*/
+ update_mmu_tlb(vma, addr, vmf->pte);
ret = false;
goto pte_unlock;
}
@@ -2463,7 +2460,8 @@ static inline bool cow_user_page(struct page *dst, struct page *src,
vmf->pte = pte_offset_map_lock(mm, vmf->pmd, addr, &vmf->ptl);
locked = true;
if (!likely(pte_same(*vmf->pte, vmf->orig_pte))) {
- /* The PTE changed under us. Retry page fault. */
+ /* The PTE changed under us, update local tlb */
+ update_mmu_tlb(vma, addr, vmf->pte);
ret = false;
goto pte_unlock;
}
@@ -2647,7 +2645,6 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
struct page *new_page = NULL;
pte_t entry;
int page_copied = 0;
- struct mem_cgroup *memcg;
struct mmu_notifier_range range;
if (unlikely(anon_vma_prepare(vma)))
@@ -2678,8 +2675,9 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
}
}
- if (mem_cgroup_try_charge_delay(new_page, mm, GFP_KERNEL, &memcg, false))
+ if (mem_cgroup_charge(new_page, mm, GFP_KERNEL))
goto oom_free_new;
+ cgroup_throttle_swaprate(new_page, GFP_KERNEL);
__SetPageUptodate(new_page);
@@ -2704,6 +2702,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
}
flush_cache_page(vma, vmf->address, pte_pfn(vmf->orig_pte));
entry = mk_pte(new_page, vma->vm_page_prot);
+ entry = pte_sw_mkyoung(entry);
entry = maybe_mkwrite(pte_mkdirty(entry), vma);
/*
* Clear the pte entry and flush it first, before updating the
@@ -2713,7 +2712,6 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
*/
ptep_clear_flush_notify(vma, vmf->address, vmf->pte);
page_add_new_anon_rmap(new_page, vma, vmf->address, false);
- mem_cgroup_commit_charge(new_page, memcg, false, false);
lru_cache_add_active_or_unevictable(new_page, vma);
/*
* We call the notify macro here because, when using secondary
@@ -2752,7 +2750,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
new_page = old_page;
page_copied = 1;
} else {
- mem_cgroup_cancel_charge(new_page, memcg, false);
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
}
if (new_page)
@@ -2812,6 +2810,7 @@ vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)
* pte_offset_map_lock.
*/
if (!pte_same(*vmf->pte, vmf->orig_pte)) {
+ update_mmu_tlb(vmf->vma, vmf->address, vmf->pte);
pte_unmap_unlock(vmf->pte, vmf->ptl);
return VM_FAULT_NOPAGE;
}
@@ -2936,6 +2935,7 @@ static vm_fault_t do_wp_page(struct vm_fault *vmf)
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
vmf->address, &vmf->ptl);
if (!pte_same(*vmf->pte, vmf->orig_pte)) {
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
unlock_page(vmf->page);
pte_unmap_unlock(vmf->pte, vmf->ptl);
put_page(vmf->page);
@@ -3090,7 +3090,6 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
struct page *page = NULL, *swapcache;
- struct mem_cgroup *memcg;
swp_entry_t entry;
pte_t pte;
int locked;
@@ -3131,10 +3130,21 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma,
vmf->address);
if (page) {
+ int err;
+
__SetPageLocked(page);
__SetPageSwapBacked(page);
set_page_private(page, entry.val);
- lru_cache_add_anon(page);
+
+ /* Tell memcg to use swap ownership records */
+ SetPageSwapCache(page);
+ err = mem_cgroup_charge(page, vma->vm_mm,
+ GFP_KERNEL);
+ ClearPageSwapCache(page);
+ if (err)
+ goto out_page;
+
+ lru_cache_add(page);
swap_readpage(page, true);
}
} else {
@@ -3195,11 +3205,7 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
goto out_page;
}
- if (mem_cgroup_try_charge_delay(page, vma->vm_mm, GFP_KERNEL,
- &memcg, false)) {
- ret = VM_FAULT_OOM;
- goto out_page;
- }
+ cgroup_throttle_swaprate(page, GFP_KERNEL);
/*
* Back out if somebody else already faulted in this pte.
@@ -3247,11 +3253,9 @@ vm_fault_t do_swap_page(struct vm_fault *vmf)
/* ksm created a completely new copy */
if (unlikely(page != swapcache && swapcache)) {
page_add_new_anon_rmap(page, vma, vmf->address, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
lru_cache_add_active_or_unevictable(page, vma);
} else {
do_page_add_anon_rmap(page, vma, vmf->address, exclusive);
- mem_cgroup_commit_charge(page, memcg, true, false);
activate_page(page);
}
@@ -3287,7 +3291,6 @@ unlock:
out:
return ret;
out_nomap:
- mem_cgroup_cancel_charge(page, memcg, false);
pte_unmap_unlock(vmf->pte, vmf->ptl);
out_page:
unlock_page(page);
@@ -3308,7 +3311,6 @@ out_release:
static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
{
struct vm_area_struct *vma = vmf->vma;
- struct mem_cgroup *memcg;
struct page *page;
vm_fault_t ret = 0;
pte_t entry;
@@ -3341,8 +3343,10 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
vma->vm_page_prot));
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd,
vmf->address, &vmf->ptl);
- if (!pte_none(*vmf->pte))
+ if (!pte_none(*vmf->pte)) {
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
goto unlock;
+ }
ret = check_stable_address_space(vma->vm_mm);
if (ret)
goto unlock;
@@ -3361,9 +3365,9 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
if (!page)
goto oom;
- if (mem_cgroup_try_charge_delay(page, vma->vm_mm, GFP_KERNEL, &memcg,
- false))
+ if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL))
goto oom_free_page;
+ cgroup_throttle_swaprate(page, GFP_KERNEL);
/*
* The memory barrier inside __SetPageUptodate makes sure that
@@ -3373,13 +3377,16 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
__SetPageUptodate(page);
entry = mk_pte(page, vma->vm_page_prot);
+ entry = pte_sw_mkyoung(entry);
if (vma->vm_flags & VM_WRITE)
entry = pte_mkwrite(pte_mkdirty(entry));
vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address,
&vmf->ptl);
- if (!pte_none(*vmf->pte))
+ if (!pte_none(*vmf->pte)) {
+ update_mmu_cache(vma, vmf->address, vmf->pte);
goto release;
+ }
ret = check_stable_address_space(vma->vm_mm);
if (ret)
@@ -3388,14 +3395,12 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
/* Deliver the page fault to userland, check inside PT lock */
if (userfaultfd_missing(vma)) {
pte_unmap_unlock(vmf->pte, vmf->ptl);
- mem_cgroup_cancel_charge(page, memcg, false);
put_page(page);
return handle_userfault(vmf, VM_UFFD_MISSING);
}
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
page_add_new_anon_rmap(page, vma, vmf->address, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
lru_cache_add_active_or_unevictable(page, vma);
setpte:
set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
@@ -3406,7 +3411,6 @@ unlock:
pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
release:
- mem_cgroup_cancel_charge(page, memcg, false);
put_page(page);
goto unlock;
oom_free_page:
@@ -3611,7 +3615,6 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
* mapping. If needed, the fucntion allocates page table or use pre-allocated.
*
* @vmf: fault environment
- * @memcg: memcg to charge page (only for private mappings)
* @page: page to map
*
* Caller must take care of unlocking vmf->ptl, if vmf->pte is non-NULL on
@@ -3622,8 +3625,7 @@ static vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page)
*
* Return: %0 on success, %VM_FAULT_ code in case of error.
*/
-vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
- struct page *page)
+vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct page *page)
{
struct vm_area_struct *vma = vmf->vma;
bool write = vmf->flags & FAULT_FLAG_WRITE;
@@ -3631,9 +3633,6 @@ vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
vm_fault_t ret;
if (pmd_none(*vmf->pmd) && PageTransCompound(page)) {
- /* THP on COW? */
- VM_BUG_ON_PAGE(memcg, page);
-
ret = do_set_pmd(vmf, page);
if (ret != VM_FAULT_FALLBACK)
return ret;
@@ -3646,18 +3645,20 @@ vm_fault_t alloc_set_pte(struct vm_fault *vmf, struct mem_cgroup *memcg,
}
/* Re-check under ptl */
- if (unlikely(!pte_none(*vmf->pte)))
+ if (unlikely(!pte_none(*vmf->pte))) {
+ update_mmu_tlb(vma, vmf->address, vmf->pte);
return VM_FAULT_NOPAGE;
+ }
flush_icache_page(vma, page);
entry = mk_pte(page, vma->vm_page_prot);
+ entry = pte_sw_mkyoung(entry);
if (write)
entry = maybe_mkwrite(pte_mkdirty(entry), vma);
/* copy-on-write page */
if (write && !(vma->vm_flags & VM_SHARED)) {
inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
page_add_new_anon_rmap(page, vma, vmf->address, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
lru_cache_add_active_or_unevictable(page, vma);
} else {
inc_mm_counter_fast(vma->vm_mm, mm_counter_file(page));
@@ -3706,7 +3707,7 @@ vm_fault_t finish_fault(struct vm_fault *vmf)
if (!(vmf->vma->vm_flags & VM_SHARED))
ret = check_stable_address_space(vmf->vma->vm_mm);
if (!ret)
- ret = alloc_set_pte(vmf, vmf->memcg, page);
+ ret = alloc_set_pte(vmf, page);
if (vmf->pte)
pte_unmap_unlock(vmf->pte, vmf->ptl);
return ret;
@@ -3866,11 +3867,11 @@ static vm_fault_t do_cow_fault(struct vm_fault *vmf)
if (!vmf->cow_page)
return VM_FAULT_OOM;
- if (mem_cgroup_try_charge_delay(vmf->cow_page, vma->vm_mm, GFP_KERNEL,
- &vmf->memcg, false)) {
+ if (mem_cgroup_charge(vmf->cow_page, vma->vm_mm, GFP_KERNEL)) {
put_page(vmf->cow_page);
return VM_FAULT_OOM;
}
+ cgroup_throttle_swaprate(vmf->cow_page, GFP_KERNEL);
ret = __do_fault(vmf);
if (unlikely(ret & (VM_FAULT_ERROR | VM_FAULT_NOPAGE | VM_FAULT_RETRY)))
@@ -3888,7 +3889,6 @@ static vm_fault_t do_cow_fault(struct vm_fault *vmf)
goto uncharge_out;
return ret;
uncharge_out:
- mem_cgroup_cancel_charge(vmf->cow_page, vmf->memcg, false);
put_page(vmf->cow_page);
return ret;
}
@@ -4224,8 +4224,10 @@ static vm_fault_t handle_pte_fault(struct vm_fault *vmf)
vmf->ptl = pte_lockptr(vmf->vma->vm_mm, vmf->pmd);
spin_lock(vmf->ptl);
entry = vmf->orig_pte;
- if (unlikely(!pte_same(*vmf->pte, entry)))
+ if (unlikely(!pte_same(*vmf->pte, entry))) {
+ update_mmu_tlb(vmf->vma, vmf->address, vmf->pte);
goto unlock;
+ }
if (vmf->flags & FAULT_FLAG_WRITE) {
if (!pte_write(entry))
return do_wp_page(vmf);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index fc0aad0bc1f5..926ec704e835 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -879,13 +879,13 @@ static pg_data_t __ref *hotadd_new_pgdat(int nid, u64 start)
} else {
int cpu;
/*
- * Reset the nr_zones, order and classzone_idx before reuse.
- * Note that kswapd will init kswapd_classzone_idx properly
+ * Reset the nr_zones, order and highest_zoneidx before reuse.
+ * Note that kswapd will init kswapd_highest_zoneidx properly
* when it starts in the near future.
*/
pgdat->nr_zones = 0;
pgdat->kswapd_order = 0;
- pgdat->kswapd_classzone_idx = 0;
+ pgdat->kswapd_highest_zoneidx = 0;
for_each_online_cpu(cpu) {
struct per_cpu_nodestat *p;
@@ -1372,11 +1372,7 @@ check_pages_isolated_cb(unsigned long start_pfn, unsigned long nr_pages,
static int __init cmdline_parse_movable_node(char *p)
{
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
movable_node_enabled = true;
-#else
- pr_warn("movable_node parameter depends on CONFIG_HAVE_MEMBLOCK_NODE_MAP to work properly\n");
-#endif
return 0;
}
early_param("movable_node", cmdline_parse_movable_node);
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 48ba9729062e..1965e2681877 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -927,10 +927,7 @@ static int lookup_node(struct mm_struct *mm, unsigned long addr)
int locked = 1;
err = get_user_pages_locked(addr & PAGE_MASK, 1, 0, &p, &locked);
- if (err == 0) {
- /* E.g. GUP interrupted by fatal signal */
- err = -EFAULT;
- } else if (err > 0) {
+ if (err > 0) {
err = page_to_nid(p);
put_page(p);
}
diff --git a/mm/migrate.c b/mm/migrate.c
index 7160c1556f79..7bfd0962149e 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -490,11 +490,18 @@ int migrate_page_move_mapping(struct address_space *mapping,
* are mapped to swap space.
*/
if (newzone != oldzone) {
- __dec_node_state(oldzone->zone_pgdat, NR_FILE_PAGES);
- __inc_node_state(newzone->zone_pgdat, NR_FILE_PAGES);
+ struct lruvec *old_lruvec, *new_lruvec;
+ struct mem_cgroup *memcg;
+
+ memcg = page_memcg(page);
+ old_lruvec = mem_cgroup_lruvec(memcg, oldzone->zone_pgdat);
+ new_lruvec = mem_cgroup_lruvec(memcg, newzone->zone_pgdat);
+
+ __dec_lruvec_state(old_lruvec, NR_FILE_PAGES);
+ __inc_lruvec_state(new_lruvec, NR_FILE_PAGES);
if (PageSwapBacked(page) && !PageSwapCache(page)) {
- __dec_node_state(oldzone->zone_pgdat, NR_SHMEM);
- __inc_node_state(newzone->zone_pgdat, NR_SHMEM);
+ __dec_lruvec_state(old_lruvec, NR_SHMEM);
+ __inc_lruvec_state(new_lruvec, NR_SHMEM);
}
if (dirty && mapping_cap_account_dirty(mapping)) {
__dec_node_state(oldzone->zone_pgdat, NR_FILE_DIRTY);
@@ -797,11 +804,7 @@ recheck_buffers:
if (rc != MIGRATEPAGE_SUCCESS)
goto unlock_buffers;
- ClearPagePrivate(page);
- set_page_private(newpage, page_private(page));
- set_page_private(page, 0);
- put_page(page);
- get_page(newpage);
+ attach_page_private(newpage, detach_page_private(page));
bh = head;
do {
@@ -810,8 +813,6 @@ recheck_buffers:
} while (bh != head);
- SetPagePrivate(newpage);
-
if (mode != MIGRATE_SYNC_NO_COPY)
migrate_page_copy(newpage, page);
else
@@ -1032,7 +1033,7 @@ static int __unmap_and_move(struct page *page, struct page *newpage,
* to the LRU. Later, when the IO completes the pages are
* marked uptodate and unlocked. However, the queueing
* could be merging multiple pages for one bio (e.g.
- * mpage_readpages). If an allocation happens for the
+ * mpage_readahead). If an allocation happens for the
* second or third page, the process can end up locking
* the same page twice and deadlocking. Rather than
* trying to be clever about what pages can be locked,
@@ -2739,7 +2740,6 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
{
struct vm_area_struct *vma = migrate->vma;
struct mm_struct *mm = vma->vm_mm;
- struct mem_cgroup *memcg;
bool flush = false;
spinlock_t *ptl;
pte_t entry;
@@ -2786,7 +2786,7 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
if (unlikely(anon_vma_prepare(vma)))
goto abort;
- if (mem_cgroup_try_charge(page, vma->vm_mm, GFP_KERNEL, &memcg, false))
+ if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL))
goto abort;
/*
@@ -2832,7 +2832,6 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
inc_mm_counter(mm, MM_ANONPAGES);
page_add_new_anon_rmap(page, vma, addr, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
if (!is_zone_device_page(page))
lru_cache_add_active_or_unevictable(page, vma);
get_page(page);
@@ -2854,7 +2853,6 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
unlock_abort:
pte_unmap_unlock(ptep, ptl);
- mem_cgroup_cancel_charge(page, memcg, false);
abort:
*src &= ~MIGRATE_PFN_MIGRATE;
}
diff --git a/mm/mm_init.c b/mm/mm_init.c
index 7da6991d9435..435e5f794b3b 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -67,26 +67,30 @@ void __init mminit_verify_pageflags_layout(void)
unsigned long or_mask, add_mask;
shift = 8 * sizeof(unsigned long);
- width = shift - SECTIONS_WIDTH - NODES_WIDTH - ZONES_WIDTH - LAST_CPUPID_SHIFT;
+ width = shift - SECTIONS_WIDTH - NODES_WIDTH - ZONES_WIDTH
+ - LAST_CPUPID_SHIFT - KASAN_TAG_WIDTH;
mminit_dprintk(MMINIT_TRACE, "pageflags_layout_widths",
- "Section %d Node %d Zone %d Lastcpupid %d Flags %d\n",
+ "Section %d Node %d Zone %d Lastcpupid %d Kasantag %d Flags %d\n",
SECTIONS_WIDTH,
NODES_WIDTH,
ZONES_WIDTH,
LAST_CPUPID_WIDTH,
+ KASAN_TAG_WIDTH,
NR_PAGEFLAGS);
mminit_dprintk(MMINIT_TRACE, "pageflags_layout_shifts",
- "Section %d Node %d Zone %d Lastcpupid %d\n",
+ "Section %d Node %d Zone %d Lastcpupid %d Kasantag %d\n",
SECTIONS_SHIFT,
NODES_SHIFT,
ZONES_SHIFT,
- LAST_CPUPID_SHIFT);
+ LAST_CPUPID_SHIFT,
+ KASAN_TAG_WIDTH);
mminit_dprintk(MMINIT_TRACE, "pageflags_layout_pgshifts",
- "Section %lu Node %lu Zone %lu Lastcpupid %lu\n",
+ "Section %lu Node %lu Zone %lu Lastcpupid %lu Kasantag %lu\n",
(unsigned long)SECTIONS_PGSHIFT,
(unsigned long)NODES_PGSHIFT,
(unsigned long)ZONES_PGSHIFT,
- (unsigned long)LAST_CPUPID_PGSHIFT);
+ (unsigned long)LAST_CPUPID_PGSHIFT,
+ (unsigned long)KASAN_TAG_PGSHIFT);
mminit_dprintk(MMINIT_TRACE, "pageflags_layout_nodezoneid",
"Node/Zone ID: %lu -> %lu\n",
(unsigned long)(ZONEID_PGOFF + ZONEID_SHIFT),
diff --git a/mm/mremap.c b/mm/mremap.c
index c881abeba0bf..6aa6ea605068 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -794,7 +794,7 @@ out:
if (locked && new_len > old_len)
mm_populate(new_addr + old_len, new_len - old_len);
userfaultfd_unmap_complete(mm, &uf_unmap_early);
- mremap_userfaultfd_complete(&uf, addr, new_addr, old_len);
+ mremap_userfaultfd_complete(&uf, addr, ret, old_len);
userfaultfd_unmap_complete(mm, &uf_unmap);
return ret;
}
diff --git a/mm/nommu.c b/mm/nommu.c
index 318df4e236c9..dfae55f41901 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -140,7 +140,7 @@ void vfree(const void *addr)
}
EXPORT_SYMBOL(vfree);
-void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask)
{
/*
* You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()
@@ -150,16 +150,25 @@ void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
}
EXPORT_SYMBOL(__vmalloc);
-void *__vmalloc_node_flags(unsigned long size, int node, gfp_t flags)
+void *__vmalloc_node_range(unsigned long size, unsigned long align,
+ unsigned long start, unsigned long end, gfp_t gfp_mask,
+ pgprot_t prot, unsigned long vm_flags, int node,
+ const void *caller)
{
- return __vmalloc(size, flags, PAGE_KERNEL);
+ return __vmalloc(size, gfp_mask);
+}
+
+void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+ int node, const void *caller)
+{
+ return __vmalloc(size, gfp_mask);
}
static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
{
void *ret;
- ret = __vmalloc(size, flags, PAGE_KERNEL);
+ ret = __vmalloc(size, flags);
if (ret) {
struct vm_area_struct *vma;
@@ -179,12 +188,6 @@ void *vmalloc_user(unsigned long size)
}
EXPORT_SYMBOL(vmalloc_user);
-void *vmalloc_user_node_flags(unsigned long size, int node, gfp_t flags)
-{
- return __vmalloc_user_flags(size, flags | __GFP_ZERO);
-}
-EXPORT_SYMBOL(vmalloc_user_node_flags);
-
struct page *vmalloc_to_page(const void *addr)
{
return virt_to_page(addr);
@@ -230,7 +233,7 @@ long vwrite(char *buf, char *addr, unsigned long count)
*/
void *vmalloc(unsigned long size)
{
- return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
+ return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
}
EXPORT_SYMBOL(vmalloc);
@@ -248,8 +251,7 @@ EXPORT_SYMBOL(vmalloc);
*/
void *vzalloc(unsigned long size)
{
- return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
- PAGE_KERNEL);
+ return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO);
}
EXPORT_SYMBOL(vzalloc);
@@ -302,7 +304,7 @@ EXPORT_SYMBOL(vzalloc_node);
void *vmalloc_exec(unsigned long size)
{
- return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC);
+ return __vmalloc(size, GFP_KERNEL | __GFP_HIGHMEM);
}
/**
@@ -314,7 +316,7 @@ void *vmalloc_exec(unsigned long size)
*/
void *vmalloc_32(unsigned long size)
{
- return __vmalloc(size, GFP_KERNEL, PAGE_KERNEL);
+ return __vmalloc(size, GFP_KERNEL);
}
EXPORT_SYMBOL(vmalloc_32);
@@ -351,7 +353,7 @@ void vunmap(const void *addr)
}
EXPORT_SYMBOL(vunmap);
-void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+void *vm_map_ram(struct page **pages, unsigned int count, int node)
{
BUG();
return NULL;
@@ -369,18 +371,6 @@ void vm_unmap_aliases(void)
}
EXPORT_SYMBOL_GPL(vm_unmap_aliases);
-/*
- * Implement a stub for vmalloc_sync_[un]mapping() if the architecture
- * chose not to have one.
- */
-void __weak vmalloc_sync_mappings(void)
-{
-}
-
-void __weak vmalloc_sync_unmappings(void)
-{
-}
-
struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes)
{
BUG();
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index dfc357614e56..4daedf7b91f6 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -254,7 +254,7 @@ static enum oom_constraint constrained_alloc(struct oom_control *oc)
{
struct zone *zone;
struct zoneref *z;
- enum zone_type high_zoneidx = gfp_zone(oc->gfp_mask);
+ enum zone_type highest_zoneidx = gfp_zone(oc->gfp_mask);
bool cpuset_limited = false;
int nid;
@@ -294,7 +294,7 @@ static enum oom_constraint constrained_alloc(struct oom_control *oc)
/* Check this allocation failure is caused by cpuset's wall function */
for_each_zone_zonelist_nodemask(zone, z, oc->zonelist,
- high_zoneidx, oc->nodemask)
+ highest_zoneidx, oc->nodemask)
if (!cpuset_zone_allowed(zone, oc->gfp_mask))
cpuset_limited = true;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 7326b54ab728..d79ed1f88c7a 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -387,8 +387,7 @@ static unsigned long global_dirtyable_memory(void)
* Calculate @dtc->thresh and ->bg_thresh considering
* vm_dirty_{bytes|ratio} and dirty_background_{bytes|ratio}. The caller
* must ensure that @dtc->avail is set before calling this function. The
- * dirty limits will be lifted by 1/4 for PF_LESS_THROTTLE (ie. nfsd) and
- * real-time tasks.
+ * dirty limits will be lifted by 1/4 for real-time tasks.
*/
static void domain_dirty_limits(struct dirty_throttle_control *dtc)
{
@@ -436,7 +435,7 @@ static void domain_dirty_limits(struct dirty_throttle_control *dtc)
if (bg_thresh >= thresh)
bg_thresh = thresh / 2;
tsk = current;
- if (tsk->flags & PF_LESS_THROTTLE || rt_task(tsk)) {
+ if (rt_task(tsk)) {
bg_thresh += bg_thresh / 4 + global_wb_domain.dirty_limit / 32;
thresh += thresh / 4 + global_wb_domain.dirty_limit / 32;
}
@@ -486,7 +485,7 @@ static unsigned long node_dirty_limit(struct pglist_data *pgdat)
else
dirty = vm_dirty_ratio * node_memory / 100;
- if (tsk->flags & PF_LESS_THROTTLE || rt_task(tsk))
+ if (rt_task(tsk))
dirty += dirty / 4;
return dirty;
@@ -505,15 +504,13 @@ bool node_dirty_ok(struct pglist_data *pgdat)
unsigned long nr_pages = 0;
nr_pages += node_page_state(pgdat, NR_FILE_DIRTY);
- nr_pages += node_page_state(pgdat, NR_UNSTABLE_NFS);
nr_pages += node_page_state(pgdat, NR_WRITEBACK);
return nr_pages <= limit;
}
int dirty_background_ratio_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
@@ -524,8 +521,7 @@ int dirty_background_ratio_handler(struct ctl_table *table, int write,
}
int dirty_background_bytes_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
@@ -535,9 +531,8 @@ int dirty_background_bytes_handler(struct ctl_table *table, int write,
return ret;
}
-int dirty_ratio_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+int dirty_ratio_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int old_ratio = vm_dirty_ratio;
int ret;
@@ -551,8 +546,7 @@ int dirty_ratio_handler(struct ctl_table *table, int write,
}
int dirty_bytes_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
unsigned long old_bytes = vm_dirty_bytes;
int ret;
@@ -759,7 +753,7 @@ static void mdtc_calc_avail(struct dirty_throttle_control *mdtc,
* bounded by the bdi->min_ratio and/or bdi->max_ratio parameters, if set.
*
* Return: @wb's dirty limit in pages. The term "dirty" in the context of
- * dirty balancing includes all PG_dirty, PG_writeback and NFS unstable pages.
+ * dirty balancing includes all PG_dirty and PG_writeback pages.
*/
static unsigned long __wb_calc_thresh(struct dirty_throttle_control *dtc)
{
@@ -1567,7 +1561,7 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
struct dirty_throttle_control * const mdtc = mdtc_valid(&mdtc_stor) ?
&mdtc_stor : NULL;
struct dirty_throttle_control *sdtc;
- unsigned long nr_reclaimable; /* = file_dirty + unstable_nfs */
+ unsigned long nr_reclaimable; /* = file_dirty */
long period;
long pause;
long max_pause;
@@ -1587,14 +1581,7 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
unsigned long m_thresh = 0;
unsigned long m_bg_thresh = 0;
- /*
- * Unstable writes are a feature of certain networked
- * filesystems (i.e. NFS) in which data may have been
- * written to the server's write cache, but has not yet
- * been flushed to permanent storage.
- */
- nr_reclaimable = global_node_page_state(NR_FILE_DIRTY) +
- global_node_page_state(NR_UNSTABLE_NFS);
+ nr_reclaimable = global_node_page_state(NR_FILE_DIRTY);
gdtc->avail = global_dirtyable_memory();
gdtc->dirty = nr_reclaimable + global_node_page_state(NR_WRITEBACK);
@@ -1653,8 +1640,12 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
if (dirty <= dirty_freerun_ceiling(thresh, bg_thresh) &&
(!mdtc ||
m_dirty <= dirty_freerun_ceiling(m_thresh, m_bg_thresh))) {
- unsigned long intv = dirty_poll_interval(dirty, thresh);
- unsigned long m_intv = ULONG_MAX;
+ unsigned long intv;
+ unsigned long m_intv;
+
+free_running:
+ intv = dirty_poll_interval(dirty, thresh);
+ m_intv = ULONG_MAX;
current->dirty_paused_when = now;
current->nr_dirtied = 0;
@@ -1673,9 +1664,20 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
* Calculate global domain's pos_ratio and select the
* global dtc by default.
*/
- if (!strictlimit)
+ if (!strictlimit) {
wb_dirty_limits(gdtc);
+ if ((current->flags & PF_LOCAL_THROTTLE) &&
+ gdtc->wb_dirty <
+ dirty_freerun_ceiling(gdtc->wb_thresh,
+ gdtc->wb_bg_thresh))
+ /*
+ * LOCAL_THROTTLE tasks must not be throttled
+ * when below the per-wb freerun ceiling.
+ */
+ goto free_running;
+ }
+
dirty_exceeded = (gdtc->wb_dirty > gdtc->wb_thresh) &&
((gdtc->dirty > gdtc->thresh) || strictlimit);
@@ -1689,9 +1691,20 @@ static void balance_dirty_pages(struct bdi_writeback *wb,
* both global and memcg domains. Choose the one
* w/ lower pos_ratio.
*/
- if (!strictlimit)
+ if (!strictlimit) {
wb_dirty_limits(mdtc);
+ if ((current->flags & PF_LOCAL_THROTTLE) &&
+ mdtc->wb_dirty <
+ dirty_freerun_ceiling(mdtc->wb_thresh,
+ mdtc->wb_bg_thresh))
+ /*
+ * LOCAL_THROTTLE tasks must not be
+ * throttled when below the per-wb
+ * freerun ceiling.
+ */
+ goto free_running;
+ }
dirty_exceeded |= (mdtc->wb_dirty > mdtc->wb_thresh) &&
((mdtc->dirty > mdtc->thresh) || strictlimit);
@@ -1938,8 +1951,7 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb)
* as we're trying to decide whether to put more under writeback.
*/
gdtc->avail = global_dirtyable_memory();
- gdtc->dirty = global_node_page_state(NR_FILE_DIRTY) +
- global_node_page_state(NR_UNSTABLE_NFS);
+ gdtc->dirty = global_node_page_state(NR_FILE_DIRTY);
domain_dirty_limits(gdtc);
if (gdtc->dirty > gdtc->bg_thresh)
@@ -1972,7 +1984,7 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb)
* sysctl handler for /proc/sys/vm/dirty_writeback_centisecs
*/
int dirty_writeback_centisecs_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
unsigned int old_interval = dirty_writeback_interval;
int ret;
@@ -2164,7 +2176,6 @@ int write_cache_pages(struct address_space *mapping,
int error;
struct pagevec pvec;
int nr_pages;
- pgoff_t uninitialized_var(writeback_index);
pgoff_t index;
pgoff_t end; /* Inclusive */
pgoff_t done_index;
@@ -2173,8 +2184,7 @@ int write_cache_pages(struct address_space *mapping,
pagevec_init(&pvec);
if (wbc->range_cyclic) {
- writeback_index = mapping->writeback_index; /* prev offset */
- index = writeback_index;
+ index = mapping->writeback_index; /* prev offset */
end = -1;
} else {
index = wbc->range_start >> PAGE_SHIFT;
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 69827d4fa052..07ae77d97952 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -68,6 +68,7 @@
#include <linux/lockdep.h>
#include <linux/nmi.h>
#include <linux/psi.h>
+#include <linux/padata.h>
#include <asm/sections.h>
#include <asm/tlbflush.h>
@@ -302,14 +303,14 @@ const char * const migratetype_names[MIGRATE_TYPES] = {
#endif
};
-compound_page_dtor * const compound_page_dtors[] = {
- NULL,
- free_compound_page,
+compound_page_dtor * const compound_page_dtors[NR_COMPOUND_DTORS] = {
+ [NULL_COMPOUND_DTOR] = NULL,
+ [COMPOUND_PAGE_DTOR] = free_compound_page,
#ifdef CONFIG_HUGETLB_PAGE
- free_huge_page,
+ [HUGETLB_PAGE_DTOR] = free_huge_page,
#endif
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
- free_transhuge_page,
+ [TRANSHUGE_PAGE_DTOR] = free_transhuge_page,
#endif
};
@@ -335,7 +336,6 @@ static unsigned long nr_kernel_pages __initdata;
static unsigned long nr_all_pages __initdata;
static unsigned long dma_reserve __initdata;
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
static unsigned long arch_zone_lowest_possible_pfn[MAX_NR_ZONES] __initdata;
static unsigned long arch_zone_highest_possible_pfn[MAX_NR_ZONES] __initdata;
static unsigned long required_kernelcore __initdata;
@@ -348,7 +348,6 @@ static bool mirrored_kernelcore __meminitdata;
/* movable_zone is the "real" zone pages in ZONE_MOVABLE are taken from */
int movable_zone;
EXPORT_SYMBOL(movable_zone);
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
#if MAX_NUMNODES > 1
unsigned int nr_node_ids __read_mostly = MAX_NUMNODES;
@@ -609,8 +608,7 @@ static inline int __maybe_unused bad_range(struct zone *zone, struct page *page)
}
#endif
-static void bad_page(struct page *page, const char *reason,
- unsigned long bad_flags)
+static void bad_page(struct page *page, const char *reason)
{
static unsigned long resume;
static unsigned long nr_shown;
@@ -639,10 +637,6 @@ static void bad_page(struct page *page, const char *reason,
pr_alert("BUG: Bad page state in process %s pfn:%05lx\n",
current->comm, page_to_pfn(page));
__dump_page(page, reason);
- bad_flags &= page->flags;
- if (bad_flags)
- pr_alert("bad because of flags: %#lx(%pGp)\n",
- bad_flags, &bad_flags);
dump_page_owner(page);
print_modules();
@@ -1077,13 +1071,9 @@ static inline bool page_expected_state(struct page *page,
return true;
}
-static void free_pages_check_bad(struct page *page)
+static const char *page_bad_reason(struct page *page, unsigned long flags)
{
- const char *bad_reason;
- unsigned long bad_flags;
-
- bad_reason = NULL;
- bad_flags = 0;
+ const char *bad_reason = NULL;
if (unlikely(atomic_read(&page->_mapcount) != -1))
bad_reason = "nonzero mapcount";
@@ -1091,24 +1081,32 @@ static void free_pages_check_bad(struct page *page)
bad_reason = "non-NULL mapping";
if (unlikely(page_ref_count(page) != 0))
bad_reason = "nonzero _refcount";
- if (unlikely(page->flags & PAGE_FLAGS_CHECK_AT_FREE)) {
- bad_reason = "PAGE_FLAGS_CHECK_AT_FREE flag(s) set";
- bad_flags = PAGE_FLAGS_CHECK_AT_FREE;
+ if (unlikely(page->flags & flags)) {
+ if (flags == PAGE_FLAGS_CHECK_AT_PREP)
+ bad_reason = "PAGE_FLAGS_CHECK_AT_PREP flag(s) set";
+ else
+ bad_reason = "PAGE_FLAGS_CHECK_AT_FREE flag(s) set";
}
#ifdef CONFIG_MEMCG
if (unlikely(page->mem_cgroup))
bad_reason = "page still charged to cgroup";
#endif
- bad_page(page, bad_reason, bad_flags);
+ return bad_reason;
}
-static inline int free_pages_check(struct page *page)
+static void check_free_page_bad(struct page *page)
+{
+ bad_page(page,
+ page_bad_reason(page, PAGE_FLAGS_CHECK_AT_FREE));
+}
+
+static inline int check_free_page(struct page *page)
{
if (likely(page_expected_state(page, PAGE_FLAGS_CHECK_AT_FREE)))
return 0;
/* Something has gone sideways, find it */
- free_pages_check_bad(page);
+ check_free_page_bad(page);
return 1;
}
@@ -1130,7 +1128,7 @@ static int free_tail_pages_check(struct page *head_page, struct page *page)
case 1:
/* the first tail page: ->mapping may be compound_mapcount() */
if (unlikely(compound_mapcount(page))) {
- bad_page(page, "nonzero compound_mapcount", 0);
+ bad_page(page, "nonzero compound_mapcount");
goto out;
}
break;
@@ -1142,17 +1140,17 @@ static int free_tail_pages_check(struct page *head_page, struct page *page)
break;
default:
if (page->mapping != TAIL_MAPPING) {
- bad_page(page, "corrupted mapping in tail page", 0);
+ bad_page(page, "corrupted mapping in tail page");
goto out;
}
break;
}
if (unlikely(!PageTail(page))) {
- bad_page(page, "PageTail not set", 0);
+ bad_page(page, "PageTail not set");
goto out;
}
if (unlikely(compound_head(page) != head_page)) {
- bad_page(page, "compound_head not consistent", 0);
+ bad_page(page, "compound_head not consistent");
goto out;
}
ret = 0;
@@ -1194,7 +1192,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
for (i = 1; i < (1 << order); i++) {
if (compound)
bad += free_tail_pages_check(page, page + i);
- if (unlikely(free_pages_check(page + i))) {
+ if (unlikely(check_free_page(page + i))) {
bad++;
continue;
}
@@ -1206,7 +1204,7 @@ static __always_inline bool free_pages_prepare(struct page *page,
if (memcg_kmem_enabled() && PageKmemcg(page))
__memcg_kmem_uncharge_page(page, order);
if (check_free)
- bad += free_pages_check(page);
+ bad += check_free_page(page);
if (bad)
return false;
@@ -1253,7 +1251,7 @@ static bool free_pcp_prepare(struct page *page)
static bool bulkfree_pcp_prepare(struct page *page)
{
if (debug_pagealloc_enabled_static())
- return free_pages_check(page);
+ return check_free_page(page);
else
return false;
}
@@ -1274,7 +1272,7 @@ static bool free_pcp_prepare(struct page *page)
static bool bulkfree_pcp_prepare(struct page *page)
{
- return free_pages_check(page);
+ return check_free_page(page);
}
#endif /* CONFIG_DEBUG_VM */
@@ -1499,45 +1497,49 @@ void __free_pages_core(struct page *page, unsigned int order)
__free_pages(page, order);
}
-#if defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) || \
- defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP)
+#ifdef CONFIG_NEED_MULTIPLE_NODES
static struct mminit_pfnnid_cache early_pfnnid_cache __meminitdata;
-int __meminit early_pfn_to_nid(unsigned long pfn)
+#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
+
+/*
+ * Required by SPARSEMEM. Given a PFN, return what node the PFN is on.
+ */
+int __meminit __early_pfn_to_nid(unsigned long pfn,
+ struct mminit_pfnnid_cache *state)
{
- static DEFINE_SPINLOCK(early_pfn_lock);
+ unsigned long start_pfn, end_pfn;
int nid;
- spin_lock(&early_pfn_lock);
- nid = __early_pfn_to_nid(pfn, &early_pfnnid_cache);
- if (nid < 0)
- nid = first_online_node;
- spin_unlock(&early_pfn_lock);
+ if (state->last_start <= pfn && pfn < state->last_end)
+ return state->last_nid;
+
+ nid = memblock_search_pfn_nid(pfn, &start_pfn, &end_pfn);
+ if (nid != NUMA_NO_NODE) {
+ state->last_start = start_pfn;
+ state->last_end = end_pfn;
+ state->last_nid = nid;
+ }
return nid;
}
-#endif
+#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */
-#ifdef CONFIG_NODES_SPAN_OTHER_NODES
-/* Only safe to use early in boot when initialisation is single-threaded */
-static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node)
+int __meminit early_pfn_to_nid(unsigned long pfn)
{
+ static DEFINE_SPINLOCK(early_pfn_lock);
int nid;
+ spin_lock(&early_pfn_lock);
nid = __early_pfn_to_nid(pfn, &early_pfnnid_cache);
- if (nid >= 0 && nid != node)
- return false;
- return true;
-}
+ if (nid < 0)
+ nid = first_online_node;
+ spin_unlock(&early_pfn_lock);
-#else
-static inline bool __meminit early_pfn_in_nid(unsigned long pfn, int node)
-{
- return true;
+ return nid;
}
-#endif
-
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
void __init memblock_free_pages(struct page *page, unsigned long pfn,
unsigned int order)
@@ -1607,6 +1609,7 @@ void set_zone_contiguous(struct zone *zone)
if (!__pageblock_pfn_to_page(block_start_pfn,
block_end_pfn, zone))
return;
+ cond_resched();
}
/* We confirm that there is no hole */
@@ -1691,7 +1694,6 @@ static void __init deferred_free_pages(unsigned long pfn,
} else if (!(pfn & nr_pgmask)) {
deferred_free_range(pfn - nr_free, nr_free);
nr_free = 1;
- touch_nmi_watchdog();
} else {
nr_free++;
}
@@ -1721,7 +1723,6 @@ static unsigned long __init deferred_init_pages(struct zone *zone,
continue;
} else if (!page || !(pfn & nr_pgmask)) {
page = pfn_to_page(pfn);
- touch_nmi_watchdog();
} else {
page++;
}
@@ -1815,16 +1816,43 @@ deferred_init_maxorder(u64 *i, struct zone *zone, unsigned long *start_pfn,
return nr_pages;
}
+static void __init
+deferred_init_memmap_chunk(unsigned long start_pfn, unsigned long end_pfn,
+ void *arg)
+{
+ unsigned long spfn, epfn;
+ struct zone *zone = arg;
+ u64 i;
+
+ deferred_init_mem_pfn_range_in_zone(&i, zone, &spfn, &epfn, start_pfn);
+
+ /*
+ * Initialize and free pages in MAX_ORDER sized increments so that we
+ * can avoid introducing any issues with the buddy allocator.
+ */
+ while (spfn < end_pfn) {
+ deferred_init_maxorder(&i, zone, &spfn, &epfn);
+ cond_resched();
+ }
+}
+
+/* An arch may override for more concurrency. */
+__weak int __init
+deferred_page_init_max_threads(const struct cpumask *node_cpumask)
+{
+ return 1;
+}
+
/* Initialise remaining memory on a node */
static int __init deferred_init_memmap(void *data)
{
pg_data_t *pgdat = data;
const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id);
- unsigned long spfn = 0, epfn = 0, nr_pages = 0;
+ unsigned long spfn = 0, epfn = 0;
unsigned long first_init_pfn, flags;
unsigned long start = jiffies;
struct zone *zone;
- int zid;
+ int zid, max_threads;
u64 i;
/* Bind memory initialisation thread to a local node if possible */
@@ -1844,6 +1872,13 @@ static int __init deferred_init_memmap(void *data)
BUG_ON(pgdat->first_deferred_pfn > pgdat_end_pfn(pgdat));
pgdat->first_deferred_pfn = ULONG_MAX;
+ /*
+ * Once we unlock here, the zone cannot be grown anymore, thus if an
+ * interrupt thread must allocate this early in boot, zone must be
+ * pre-grown prior to start of deferred page initialization.
+ */
+ pgdat_resize_unlock(pgdat, &flags);
+
/* Only the highest zone is deferred so find it */
for (zid = 0; zid < MAX_NR_ZONES; zid++) {
zone = pgdat->node_zones + zid;
@@ -1856,21 +1891,30 @@ static int __init deferred_init_memmap(void *data)
first_init_pfn))
goto zone_empty;
- /*
- * Initialize and free pages in MAX_ORDER sized increments so
- * that we can avoid introducing any issues with the buddy
- * allocator.
- */
- while (spfn < epfn)
- nr_pages += deferred_init_maxorder(&i, zone, &spfn, &epfn);
-zone_empty:
- pgdat_resize_unlock(pgdat, &flags);
+ max_threads = deferred_page_init_max_threads(cpumask);
+ while (spfn < epfn) {
+ unsigned long epfn_align = ALIGN(epfn, PAGES_PER_SECTION);
+ struct padata_mt_job job = {
+ .thread_fn = deferred_init_memmap_chunk,
+ .fn_arg = zone,
+ .start = spfn,
+ .size = epfn_align - spfn,
+ .align = PAGES_PER_SECTION,
+ .min_chunk = PAGES_PER_SECTION,
+ .max_threads = max_threads,
+ };
+
+ padata_do_multithreaded(&job);
+ deferred_init_mem_pfn_range_in_zone(&i, zone, &spfn, &epfn,
+ epfn_align);
+ }
+zone_empty:
/* Sanity check that the next zone really is unpopulated */
WARN_ON(++zid < MAX_NR_ZONES && populated_zone(++zone));
- pr_info("node %d initialised, %lu pages in %ums\n",
- pgdat->node_id, nr_pages, jiffies_to_msecs(jiffies - start));
+ pr_info("node %d deferred pages initialised in %ums\n",
+ pgdat->node_id, jiffies_to_msecs(jiffies - start));
pgdat_init_report_one_done();
return 0;
@@ -1908,17 +1952,6 @@ deferred_grow_zone(struct zone *zone, unsigned int order)
pgdat_resize_lock(pgdat, &flags);
/*
- * If deferred pages have been initialized while we were waiting for
- * the lock, return true, as the zone was grown. The caller will retry
- * this zone. We won't return to this function since the caller also
- * has this static branch.
- */
- if (!static_branch_unlikely(&deferred_pages)) {
- pgdat_resize_unlock(pgdat, &flags);
- return true;
- }
-
- /*
* If someone grew this zone while we were waiting for spinlock, return
* true, as there might be enough pages already.
*/
@@ -1946,6 +1979,7 @@ deferred_grow_zone(struct zone *zone, unsigned int order)
first_deferred_pfn = spfn;
nr_pages += deferred_init_maxorder(&i, zone, &spfn, &epfn);
+ touch_nmi_watchdog();
/* We should only stop along section boundaries */
if ((first_deferred_pfn ^ spfn) < PAGES_PER_SECTION)
@@ -2091,31 +2125,14 @@ static inline void expand(struct zone *zone, struct page *page,
static void check_new_page_bad(struct page *page)
{
- const char *bad_reason = NULL;
- unsigned long bad_flags = 0;
-
- if (unlikely(atomic_read(&page->_mapcount) != -1))
- bad_reason = "nonzero mapcount";
- if (unlikely(page->mapping != NULL))
- bad_reason = "non-NULL mapping";
- if (unlikely(page_ref_count(page) != 0))
- bad_reason = "nonzero _refcount";
if (unlikely(page->flags & __PG_HWPOISON)) {
- bad_reason = "HWPoisoned (hardware-corrupted)";
- bad_flags = __PG_HWPOISON;
/* Don't complain about hwpoisoned pages */
page_mapcount_reset(page); /* remove PageBuddy */
return;
}
- if (unlikely(page->flags & PAGE_FLAGS_CHECK_AT_PREP)) {
- bad_reason = "PAGE_FLAGS_CHECK_AT_PREP flag set";
- bad_flags = PAGE_FLAGS_CHECK_AT_PREP;
- }
-#ifdef CONFIG_MEMCG
- if (unlikely(page->mem_cgroup))
- bad_reason = "page still charged to cgroup";
-#endif
- bad_page(page, bad_reason, bad_flags);
+
+ bad_page(page,
+ page_bad_reason(page, PAGE_FLAGS_CHECK_AT_PREP));
}
/*
@@ -2400,6 +2417,14 @@ static inline void boost_watermark(struct zone *zone)
if (!watermark_boost_factor)
return;
+ /*
+ * Don't bother in zones that are unlikely to produce results.
+ * On small machines, including kdump capture kernels running
+ * in a small area, boosting the watermark can cause an out of
+ * memory situation immediately.
+ */
+ if ((pageblock_nr_pages * 4) > zone_managed_pages(zone))
+ return;
max_boost = mult_frac(zone->_watermark[WMARK_HIGH],
watermark_boost_factor, 10000);
@@ -2600,7 +2625,7 @@ static bool unreserve_highatomic_pageblock(const struct alloc_context *ac,
int order;
bool ret;
- for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->high_zoneidx,
+ for_each_zone_zonelist_nodemask(zone, z, zonelist, ac->highest_zoneidx,
ac->nodemask) {
/*
* Preserve at least one pageblock unless memory pressure
@@ -2759,6 +2784,20 @@ __rmqueue(struct zone *zone, unsigned int order, int migratetype,
{
struct page *page;
+#ifdef CONFIG_CMA
+ /*
+ * Balance movable allocations between regular and CMA areas by
+ * allocating from CMA when over half of the zone's free memory
+ * is in the CMA area.
+ */
+ if (migratetype == MIGRATE_MOVABLE &&
+ zone_page_state(zone, NR_FREE_CMA_PAGES) >
+ zone_page_state(zone, NR_FREE_PAGES) / 2) {
+ page = __rmqueue_cma_fallback(zone, order);
+ if (page)
+ return page;
+ }
+#endif
retry:
page = __rmqueue_smallest(zone, order, migratetype);
if (unlikely(!page)) {
@@ -3455,7 +3494,7 @@ ALLOW_ERROR_INJECTION(should_fail_alloc_page, TRUE);
* to check in the allocation paths if no pages are free.
*/
bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
- int classzone_idx, unsigned int alloc_flags,
+ int highest_zoneidx, unsigned int alloc_flags,
long free_pages)
{
long min = mark;
@@ -3500,7 +3539,7 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
* are not met, then a high-order request also cannot go ahead
* even if a suitable page happened to be free.
*/
- if (free_pages <= min + z->lowmem_reserve[classzone_idx])
+ if (free_pages <= min + z->lowmem_reserve[highest_zoneidx])
return false;
/* If this is an order-0 request then the watermark is fine */
@@ -3533,14 +3572,15 @@ bool __zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
}
bool zone_watermark_ok(struct zone *z, unsigned int order, unsigned long mark,
- int classzone_idx, unsigned int alloc_flags)
+ int highest_zoneidx, unsigned int alloc_flags)
{
- return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags,
+ return __zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags,
zone_page_state(z, NR_FREE_PAGES));
}
static inline bool zone_watermark_fast(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx, unsigned int alloc_flags)
+ unsigned long mark, int highest_zoneidx,
+ unsigned int alloc_flags)
{
long free_pages = zone_page_state(z, NR_FREE_PAGES);
long cma_pages = 0;
@@ -3558,22 +3598,23 @@ static inline bool zone_watermark_fast(struct zone *z, unsigned int order,
* the caller is !atomic then it'll uselessly search the free
* list. That corner case is then slower but it is harmless.
*/
- if (!order && (free_pages - cma_pages) > mark + z->lowmem_reserve[classzone_idx])
+ if (!order && (free_pages - cma_pages) >
+ mark + z->lowmem_reserve[highest_zoneidx])
return true;
- return __zone_watermark_ok(z, order, mark, classzone_idx, alloc_flags,
+ return __zone_watermark_ok(z, order, mark, highest_zoneidx, alloc_flags,
free_pages);
}
bool zone_watermark_ok_safe(struct zone *z, unsigned int order,
- unsigned long mark, int classzone_idx)
+ unsigned long mark, int highest_zoneidx)
{
long free_pages = zone_page_state(z, NR_FREE_PAGES);
if (z->percpu_drift_mark && free_pages < z->percpu_drift_mark)
free_pages = zone_page_state_snapshot(z, NR_FREE_PAGES);
- return __zone_watermark_ok(z, order, mark, classzone_idx, 0,
+ return __zone_watermark_ok(z, order, mark, highest_zoneidx, 0,
free_pages);
}
@@ -3650,8 +3691,8 @@ retry:
*/
no_fallback = alloc_flags & ALLOC_NOFRAGMENT;
z = ac->preferred_zoneref;
- for_next_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
- ac->nodemask) {
+ for_next_zone_zonelist_nodemask(zone, z, ac->zonelist,
+ ac->highest_zoneidx, ac->nodemask) {
struct page *page;
unsigned long mark;
@@ -3706,7 +3747,7 @@ retry:
mark = wmark_pages(zone, alloc_flags & ALLOC_WMARK_MASK);
if (!zone_watermark_fast(zone, order, mark,
- ac_classzone_idx(ac), alloc_flags)) {
+ ac->highest_zoneidx, alloc_flags)) {
int ret;
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
@@ -3739,7 +3780,7 @@ retry:
default:
/* did we reclaim enough */
if (zone_watermark_ok(zone, order, mark,
- ac_classzone_idx(ac), alloc_flags))
+ ac->highest_zoneidx, alloc_flags))
goto try_this_zone;
continue;
@@ -3898,7 +3939,7 @@ __alloc_pages_may_oom(gfp_t gfp_mask, unsigned int order,
if (gfp_mask & __GFP_RETRY_MAYFAIL)
goto out;
/* The OOM killer does not needlessly kill tasks for lowmem */
- if (ac->high_zoneidx < ZONE_NORMAL)
+ if (ac->highest_zoneidx < ZONE_NORMAL)
goto out;
if (pm_suspended_storage())
goto out;
@@ -4101,10 +4142,10 @@ should_compact_retry(struct alloc_context *ac, unsigned int order, int alloc_fla
* Let's give them a good hope and keep retrying while the order-0
* watermarks are OK.
*/
- for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
- ac->nodemask) {
+ for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
+ ac->highest_zoneidx, ac->nodemask) {
if (zone_watermark_ok(zone, 0, min_wmark_pages(zone),
- ac_classzone_idx(ac), alloc_flags))
+ ac->highest_zoneidx, alloc_flags))
return true;
}
return false;
@@ -4228,12 +4269,12 @@ static void wake_all_kswapds(unsigned int order, gfp_t gfp_mask,
struct zoneref *z;
struct zone *zone;
pg_data_t *last_pgdat = NULL;
- enum zone_type high_zoneidx = ac->high_zoneidx;
+ enum zone_type highest_zoneidx = ac->highest_zoneidx;
- for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, high_zoneidx,
+ for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, highest_zoneidx,
ac->nodemask) {
if (last_pgdat != zone->zone_pgdat)
- wakeup_kswapd(zone, gfp_mask, order, high_zoneidx);
+ wakeup_kswapd(zone, gfp_mask, order, highest_zoneidx);
last_pgdat = zone->zone_pgdat;
}
}
@@ -4276,7 +4317,7 @@ gfp_to_alloc_flags(gfp_t gfp_mask)
alloc_flags |= ALLOC_HARDER;
#ifdef CONFIG_CMA
- if (gfpflags_to_migratetype(gfp_mask) == MIGRATE_MOVABLE)
+ if (gfp_migratetype(gfp_mask) == MIGRATE_MOVABLE)
alloc_flags |= ALLOC_CMA;
#endif
return alloc_flags;
@@ -4368,8 +4409,8 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order,
* request even if all reclaimable pages are considered then we are
* screwed and have to go OOM.
*/
- for_each_zone_zonelist_nodemask(zone, z, ac->zonelist, ac->high_zoneidx,
- ac->nodemask) {
+ for_each_zone_zonelist_nodemask(zone, z, ac->zonelist,
+ ac->highest_zoneidx, ac->nodemask) {
unsigned long available;
unsigned long reclaimable;
unsigned long min_wmark = min_wmark_pages(zone);
@@ -4383,7 +4424,7 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order,
* reclaimable pages?
*/
wmark = __zone_watermark_ok(zone, order, min_wmark,
- ac_classzone_idx(ac), alloc_flags, available);
+ ac->highest_zoneidx, alloc_flags, available);
trace_reclaim_retry_zone(z, order, reclaimable,
available, min_wmark, *no_progress_loops, wmark);
if (wmark) {
@@ -4502,7 +4543,7 @@ retry_cpuset:
* could end up iterating over non-eligible zones endlessly.
*/
ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
- ac->high_zoneidx, ac->nodemask);
+ ac->highest_zoneidx, ac->nodemask);
if (!ac->preferred_zoneref->zone)
goto nopage;
@@ -4589,7 +4630,7 @@ retry:
if (!(alloc_flags & ALLOC_CPUSET) || reserve_flags) {
ac->nodemask = NULL;
ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
- ac->high_zoneidx, ac->nodemask);
+ ac->highest_zoneidx, ac->nodemask);
}
/* Attempt with potentially adjusted zonelist and alloc_flags */
@@ -4723,10 +4764,10 @@ static inline bool prepare_alloc_pages(gfp_t gfp_mask, unsigned int order,
struct alloc_context *ac, gfp_t *alloc_mask,
unsigned int *alloc_flags)
{
- ac->high_zoneidx = gfp_zone(gfp_mask);
+ ac->highest_zoneidx = gfp_zone(gfp_mask);
ac->zonelist = node_zonelist(preferred_nid, gfp_mask);
ac->nodemask = nodemask;
- ac->migratetype = gfpflags_to_migratetype(gfp_mask);
+ ac->migratetype = gfp_migratetype(gfp_mask);
if (cpusets_enabled()) {
*alloc_mask |= __GFP_HARDWALL;
@@ -4762,7 +4803,7 @@ static inline void finalise_ac(gfp_t gfp_mask, struct alloc_context *ac)
* may get reset for allocations that ignore memory policies.
*/
ac->preferred_zoneref = first_zones_zonelist(ac->zonelist,
- ac->high_zoneidx, ac->nodemask);
+ ac->highest_zoneidx, ac->nodemask);
}
/*
@@ -5310,7 +5351,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
printk("active_anon:%lu inactive_anon:%lu isolated_anon:%lu\n"
" active_file:%lu inactive_file:%lu isolated_file:%lu\n"
- " unevictable:%lu dirty:%lu writeback:%lu unstable:%lu\n"
+ " unevictable:%lu dirty:%lu writeback:%lu\n"
" slab_reclaimable:%lu slab_unreclaimable:%lu\n"
" mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n"
" free:%lu free_pcp:%lu free_cma:%lu\n",
@@ -5323,7 +5364,6 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
global_node_page_state(NR_UNEVICTABLE),
global_node_page_state(NR_FILE_DIRTY),
global_node_page_state(NR_WRITEBACK),
- global_node_page_state(NR_UNSTABLE_NFS),
global_node_page_state(NR_SLAB_RECLAIMABLE),
global_node_page_state(NR_SLAB_UNRECLAIMABLE),
global_node_page_state(NR_FILE_MAPPED),
@@ -5356,7 +5396,6 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" anon_thp: %lukB"
#endif
" writeback_tmp:%lukB"
- " unstable:%lukB"
" all_unreclaimable? %s"
"\n",
pgdat->node_id,
@@ -5378,7 +5417,6 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
K(node_page_state(pgdat, NR_ANON_THPS) * HPAGE_PMD_NR),
#endif
K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
- K(node_page_state(pgdat, NR_UNSTABLE_NFS)),
pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ?
"yes" : "no");
}
@@ -5411,6 +5449,9 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
" managed:%lukB"
" mlocked:%lukB"
" kernel_stack:%lukB"
+#ifdef CONFIG_SHADOW_CALL_STACK
+ " shadow_call_stack:%lukB"
+#endif
" pagetables:%lukB"
" bounce:%lukB"
" free_pcp:%lukB"
@@ -5433,6 +5474,9 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask)
K(zone_managed_pages(zone)),
K(zone_page_state(zone, NR_MLOCK)),
zone_page_state(zone, NR_KERNEL_STACK_KB),
+#ifdef CONFIG_SHADOW_CALL_STACK
+ zone_page_state(zone, NR_KERNEL_SCS_KB),
+#endif
K(zone_page_state(zone, NR_PAGETABLE)),
K(zone_page_state(zone, NR_BOUNCE)),
K(free_pcp),
@@ -5546,21 +5590,11 @@ char numa_zonelist_order[] = "Node";
* sysctl handler for numa_zonelist_order
*/
int numa_zonelist_order_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length,
- loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
- char *str;
- int ret;
-
- if (!write)
- return proc_dostring(table, write, buffer, length, ppos);
- str = memdup_user_nul(buffer, 16);
- if (IS_ERR(str))
- return PTR_ERR(str);
-
- ret = __parse_numa_zonelist_order(str);
- kfree(str);
- return ret;
+ if (write)
+ return __parse_numa_zonelist_order(buffer);
+ return proc_dostring(table, write, buffer, length, ppos);
}
@@ -5680,14 +5714,13 @@ static void build_zonelists(pg_data_t *pgdat)
{
static int node_order[MAX_NUMNODES];
int node, load, nr_nodes = 0;
- nodemask_t used_mask;
+ nodemask_t used_mask = NODE_MASK_NONE;
int local_node, prev_node;
/* NUMA-aware ordering of nodes */
local_node = pgdat->node_id;
load = nr_online_nodes;
prev_node = local_node;
- nodes_clear(used_mask);
memset(node_order, 0, sizeof(node_order));
while ((node = find_next_best_node(local_node, &used_mask)) >= 0) {
@@ -5899,7 +5932,6 @@ void __ref build_all_zonelists(pg_data_t *pgdat)
static bool __meminit
overlap_memmap_init(unsigned long zone, unsigned long *pfn)
{
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
static struct memblock_region *r;
if (mirrored_kernelcore && zone == ZONE_MOVABLE) {
@@ -5915,27 +5947,9 @@ overlap_memmap_init(unsigned long zone, unsigned long *pfn)
return true;
}
}
-#endif
return false;
}
-#ifdef CONFIG_SPARSEMEM
-/* Skip PFNs that belong to non-present sections */
-static inline __meminit unsigned long next_pfn(unsigned long pfn)
-{
- const unsigned long section_nr = pfn_to_section_nr(++pfn);
-
- if (present_section_nr(section_nr))
- return pfn;
- return section_nr_to_pfn(next_present_section_nr(section_nr));
-}
-#else
-static inline __meminit unsigned long next_pfn(unsigned long pfn)
-{
- return pfn++;
-}
-#endif
-
/*
* Initially all pages are reserved - free ones are freed
* up by memblock_free_all() once the early boot process is
@@ -5975,14 +5989,6 @@ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone,
* function. They do not exist on hotplugged memory.
*/
if (context == MEMMAP_EARLY) {
- if (!early_pfn_valid(pfn)) {
- pfn = next_pfn(pfn);
- continue;
- }
- if (!early_pfn_in_nid(pfn, nid)) {
- pfn++;
- continue;
- }
if (overlap_memmap_init(zone, &pfn))
continue;
if (defer_init(nid, pfn, end_pfn))
@@ -6098,9 +6104,23 @@ static void __meminit zone_init_free_lists(struct zone *zone)
}
void __meminit __weak memmap_init(unsigned long size, int nid,
- unsigned long zone, unsigned long start_pfn)
+ unsigned long zone,
+ unsigned long range_start_pfn)
{
- memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY, NULL);
+ unsigned long start_pfn, end_pfn;
+ unsigned long range_end_pfn = range_start_pfn + size;
+ int i;
+
+ for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, NULL) {
+ start_pfn = clamp(start_pfn, range_start_pfn, range_end_pfn);
+ end_pfn = clamp(end_pfn, range_start_pfn, range_end_pfn);
+
+ if (end_pfn > start_pfn) {
+ size = end_pfn - start_pfn;
+ memmap_init_zone(size, nid, zone, start_pfn,
+ MEMMAP_EARLY, NULL);
+ }
+ }
}
static int zone_batchsize(struct zone *zone)
@@ -6252,10 +6272,25 @@ void __init setup_per_cpu_pageset(void)
{
struct pglist_data *pgdat;
struct zone *zone;
+ int __maybe_unused cpu;
for_each_populated_zone(zone)
setup_zone_pageset(zone);
+#ifdef CONFIG_NUMA
+ /*
+ * Unpopulated zones continue using the boot pagesets.
+ * The numa stats for these pagesets need to be reset.
+ * Otherwise, they will end up skewing the stats of
+ * the nodes these zones are associated with.
+ */
+ for_each_possible_cpu(cpu) {
+ struct per_cpu_pageset *pcp = &per_cpu(boot_pageset, cpu);
+ memset(pcp->vm_numa_stat_diff, 0,
+ sizeof(pcp->vm_numa_stat_diff));
+ }
+#endif
+
for_each_online_pgdat(pgdat)
pgdat->per_cpu_nodestats =
alloc_percpu(struct per_cpu_nodestat);
@@ -6298,57 +6333,6 @@ void __meminit init_currently_empty_zone(struct zone *zone,
zone->initialized = 1;
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
-
-/*
- * Required by SPARSEMEM. Given a PFN, return what node the PFN is on.
- */
-int __meminit __early_pfn_to_nid(unsigned long pfn,
- struct mminit_pfnnid_cache *state)
-{
- unsigned long start_pfn, end_pfn;
- int nid;
-
- if (state->last_start <= pfn && pfn < state->last_end)
- return state->last_nid;
-
- nid = memblock_search_pfn_nid(pfn, &start_pfn, &end_pfn);
- if (nid != NUMA_NO_NODE) {
- state->last_start = start_pfn;
- state->last_end = end_pfn;
- state->last_nid = nid;
- }
-
- return nid;
-}
-#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */
-
-/**
- * free_bootmem_with_active_regions - Call memblock_free_early_nid for each active range
- * @nid: The node to free memory on. If MAX_NUMNODES, all nodes are freed.
- * @max_low_pfn: The highest PFN that will be passed to memblock_free_early_nid
- *
- * If an architecture guarantees that all ranges registered contain no holes
- * and may be freed, this this function may be used instead of calling
- * memblock_free_early_nid() manually.
- */
-void __init free_bootmem_with_active_regions(int nid, unsigned long max_low_pfn)
-{
- unsigned long start_pfn, end_pfn;
- int i, this_nid;
-
- for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn, &this_nid) {
- start_pfn = min(start_pfn, max_low_pfn);
- end_pfn = min(end_pfn, max_low_pfn);
-
- if (start_pfn < end_pfn)
- memblock_free_early_nid(PFN_PHYS(start_pfn),
- (end_pfn - start_pfn) << PAGE_SHIFT,
- this_nid);
- }
-}
-
/**
* sparse_memory_present_with_active_regions - Call memory_present for each active range
* @nid: The node to call memory_present for. If MAX_NUMNODES, all nodes will be used.
@@ -6461,8 +6445,7 @@ static unsigned long __init zone_spanned_pages_in_node(int nid,
unsigned long node_start_pfn,
unsigned long node_end_pfn,
unsigned long *zone_start_pfn,
- unsigned long *zone_end_pfn,
- unsigned long *ignored)
+ unsigned long *zone_end_pfn)
{
unsigned long zone_low = arch_zone_lowest_possible_pfn[zone_type];
unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type];
@@ -6526,8 +6509,7 @@ unsigned long __init absent_pages_in_range(unsigned long start_pfn,
static unsigned long __init zone_absent_pages_in_node(int nid,
unsigned long zone_type,
unsigned long node_start_pfn,
- unsigned long node_end_pfn,
- unsigned long *ignored)
+ unsigned long node_end_pfn)
{
unsigned long zone_low = arch_zone_lowest_possible_pfn[zone_type];
unsigned long zone_high = arch_zone_highest_possible_pfn[zone_type];
@@ -6574,45 +6556,9 @@ static unsigned long __init zone_absent_pages_in_node(int nid,
return nr_absent;
}
-#else /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-static inline unsigned long __init zone_spanned_pages_in_node(int nid,
- unsigned long zone_type,
- unsigned long node_start_pfn,
- unsigned long node_end_pfn,
- unsigned long *zone_start_pfn,
- unsigned long *zone_end_pfn,
- unsigned long *zones_size)
-{
- unsigned int zone;
-
- *zone_start_pfn = node_start_pfn;
- for (zone = 0; zone < zone_type; zone++)
- *zone_start_pfn += zones_size[zone];
-
- *zone_end_pfn = *zone_start_pfn + zones_size[zone_type];
-
- return zones_size[zone_type];
-}
-
-static inline unsigned long __init zone_absent_pages_in_node(int nid,
- unsigned long zone_type,
- unsigned long node_start_pfn,
- unsigned long node_end_pfn,
- unsigned long *zholes_size)
-{
- if (!zholes_size)
- return 0;
-
- return zholes_size[zone_type];
-}
-
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
static void __init calculate_node_totalpages(struct pglist_data *pgdat,
unsigned long node_start_pfn,
- unsigned long node_end_pfn,
- unsigned long *zones_size,
- unsigned long *zholes_size)
+ unsigned long node_end_pfn)
{
unsigned long realtotalpages = 0, totalpages = 0;
enum zone_type i;
@@ -6620,17 +6566,21 @@ static void __init calculate_node_totalpages(struct pglist_data *pgdat,
for (i = 0; i < MAX_NR_ZONES; i++) {
struct zone *zone = pgdat->node_zones + i;
unsigned long zone_start_pfn, zone_end_pfn;
+ unsigned long spanned, absent;
unsigned long size, real_size;
- size = zone_spanned_pages_in_node(pgdat->node_id, i,
- node_start_pfn,
- node_end_pfn,
- &zone_start_pfn,
- &zone_end_pfn,
- zones_size);
- real_size = size - zone_absent_pages_in_node(pgdat->node_id, i,
- node_start_pfn, node_end_pfn,
- zholes_size);
+ spanned = zone_spanned_pages_in_node(pgdat->node_id, i,
+ node_start_pfn,
+ node_end_pfn,
+ &zone_start_pfn,
+ &zone_end_pfn);
+ absent = zone_absent_pages_in_node(pgdat->node_id, i,
+ node_start_pfn,
+ node_end_pfn);
+
+ size = spanned;
+ real_size = size - absent;
+
if (size)
zone->zone_start_pfn = zone_start_pfn;
else
@@ -6930,10 +6880,8 @@ static void __ref alloc_node_mem_map(struct pglist_data *pgdat)
*/
if (pgdat == NODE_DATA(0)) {
mem_map = NODE_DATA(0)->node_mem_map;
-#if defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) || defined(CONFIG_FLATMEM)
if (page_to_pfn(mem_map) != pgdat->node_start_pfn)
mem_map -= offset;
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
}
#endif
}
@@ -6950,30 +6898,25 @@ static inline void pgdat_set_deferred_range(pg_data_t *pgdat)
static inline void pgdat_set_deferred_range(pg_data_t *pgdat) {}
#endif
-void __init free_area_init_node(int nid, unsigned long *zones_size,
- unsigned long node_start_pfn,
- unsigned long *zholes_size)
+static void __init free_area_init_node(int nid)
{
pg_data_t *pgdat = NODE_DATA(nid);
unsigned long start_pfn = 0;
unsigned long end_pfn = 0;
/* pg_data_t should be reset to zero when it's allocated */
- WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx);
+ WARN_ON(pgdat->nr_zones || pgdat->kswapd_highest_zoneidx);
+
+ get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
pgdat->node_id = nid;
- pgdat->node_start_pfn = node_start_pfn;
+ pgdat->node_start_pfn = start_pfn;
pgdat->per_cpu_nodestats = NULL;
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
- get_pfn_range_for_nid(nid, &start_pfn, &end_pfn);
+
pr_info("Initmem setup node %d [mem %#018Lx-%#018Lx]\n", nid,
(u64)start_pfn << PAGE_SHIFT,
end_pfn ? ((u64)end_pfn << PAGE_SHIFT) - 1 : 0);
-#else
- start_pfn = node_start_pfn;
-#endif
- calculate_node_totalpages(pgdat, start_pfn, end_pfn,
- zones_size, zholes_size);
+ calculate_node_totalpages(pgdat, start_pfn, end_pfn);
alloc_node_mem_map(pgdat);
pgdat_set_deferred_range(pgdat);
@@ -6981,6 +6924,11 @@ void __init free_area_init_node(int nid, unsigned long *zones_size,
free_area_init_core(pgdat);
}
+void __init free_area_init_memoryless_node(int nid)
+{
+ free_area_init_node(nid);
+}
+
#if !defined(CONFIG_FLAT_NODE_MEM_MAP)
/*
* Initialize all valid struct pages in the range [spfn, epfn) and mark them
@@ -7064,8 +7012,6 @@ static inline void __init init_unavailable_mem(void)
}
#endif /* !CONFIG_FLAT_NODE_MEM_MAP */
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-
#if MAX_NUMNODES > 1
/*
* Figure out the number of possible node ids.
@@ -7129,24 +7075,6 @@ unsigned long __init node_map_pfn_alignment(void)
return ~accl_mask + 1;
}
-/* Find the lowest pfn for a node */
-static unsigned long __init find_min_pfn_for_node(int nid)
-{
- unsigned long min_pfn = ULONG_MAX;
- unsigned long start_pfn;
- int i;
-
- for_each_mem_pfn_range(i, nid, &start_pfn, NULL, NULL)
- min_pfn = min(min_pfn, start_pfn);
-
- if (min_pfn == ULONG_MAX) {
- pr_warn("Could not find start_pfn for node %d\n", nid);
- return 0;
- }
-
- return min_pfn;
-}
-
/**
* find_min_pfn_with_active_regions - Find the minimum PFN registered
*
@@ -7155,7 +7083,7 @@ static unsigned long __init find_min_pfn_for_node(int nid)
*/
unsigned long __init find_min_pfn_with_active_regions(void)
{
- return find_min_pfn_for_node(MAX_NUMNODES);
+ return PHYS_PFN(memblock_start_of_DRAM());
}
/*
@@ -7208,7 +7136,7 @@ static void __init find_zone_movable_pfns_for_nodes(void)
if (!memblock_is_hotpluggable(r))
continue;
- nid = r->nid;
+ nid = memblock_get_region_node(r);
usable_startpfn = PFN_DOWN(r->base);
zone_movable_pfn[nid] = zone_movable_pfn[nid] ?
@@ -7229,7 +7157,7 @@ static void __init find_zone_movable_pfns_for_nodes(void)
if (memblock_is_mirror(r))
continue;
- nid = r->nid;
+ nid = memblock_get_region_node(r);
usable_startpfn = memblock_region_memory_base_pfn(r);
@@ -7244,7 +7172,7 @@ static void __init find_zone_movable_pfns_for_nodes(void)
}
if (mem_below_4gb_not_mirrored)
- pr_warn("This configuration results in unmirrored kernel memory.");
+ pr_warn("This configuration results in unmirrored kernel memory.\n");
goto out2;
}
@@ -7409,8 +7337,17 @@ static void check_for_memory(pg_data_t *pgdat, int nid)
}
}
+/*
+ * Some architecturs, e.g. ARC may have ZONE_HIGHMEM below ZONE_NORMAL. For
+ * such cases we allow max_zone_pfn sorted in the descending order
+ */
+bool __weak arch_has_descending_max_zone_pfns(void)
+{
+ return false;
+}
+
/**
- * free_area_init_nodes - Initialise all pg_data_t and zone data
+ * free_area_init - Initialise all pg_data_t and zone data
* @max_zone_pfn: an array of max PFNs for each zone
*
* This will call free_area_init_node() for each active node in the system.
@@ -7422,10 +7359,11 @@ static void check_for_memory(pg_data_t *pgdat, int nid)
* starts where the previous one ended. For example, ZONE_DMA32 starts
* at arch_max_dma_pfn.
*/
-void __init free_area_init_nodes(unsigned long *max_zone_pfn)
+void __init free_area_init(unsigned long *max_zone_pfn)
{
unsigned long start_pfn, end_pfn;
- int i, nid;
+ int i, nid, zone;
+ bool descending;
/* Record where the zone boundaries are */
memset(arch_zone_lowest_possible_pfn, 0,
@@ -7434,14 +7372,20 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
sizeof(arch_zone_highest_possible_pfn));
start_pfn = find_min_pfn_with_active_regions();
+ descending = arch_has_descending_max_zone_pfns();
for (i = 0; i < MAX_NR_ZONES; i++) {
- if (i == ZONE_MOVABLE)
+ if (descending)
+ zone = MAX_NR_ZONES - i - 1;
+ else
+ zone = i;
+
+ if (zone == ZONE_MOVABLE)
continue;
- end_pfn = max(max_zone_pfn[i], start_pfn);
- arch_zone_lowest_possible_pfn[i] = start_pfn;
- arch_zone_highest_possible_pfn[i] = end_pfn;
+ end_pfn = max(max_zone_pfn[zone], start_pfn);
+ arch_zone_lowest_possible_pfn[zone] = start_pfn;
+ arch_zone_highest_possible_pfn[zone] = end_pfn;
start_pfn = end_pfn;
}
@@ -7494,8 +7438,7 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
init_unavailable_mem();
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
- free_area_init_node(nid, NULL,
- find_min_pfn_for_node(nid), NULL);
+ free_area_init_node(nid);
/* Any memory on that node */
if (pgdat->node_present_pages)
@@ -7560,8 +7503,6 @@ static int __init cmdline_parse_movablecore(char *p)
early_param("kernelcore", cmdline_parse_kernelcore);
early_param("movablecore", cmdline_parse_movablecore);
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
void adjust_managed_page_count(struct page *page, long count)
{
atomic_long_add(count, &page_zone(page)->managed_pages);
@@ -7684,13 +7625,6 @@ void __init set_dma_reserve(unsigned long new_dma_reserve)
dma_reserve = new_dma_reserve;
}
-void __init free_area_init(unsigned long *zones_size)
-{
- init_unavailable_mem();
- free_area_init_node(0, zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT, NULL);
-}
-
static int page_alloc_cpu_dead(unsigned int cpu)
{
@@ -7808,9 +7742,10 @@ static void setup_per_zone_lowmem_reserve(void)
idx--;
lower_zone = pgdat->node_zones + idx;
- if (sysctl_lowmem_reserve_ratio[idx] < 1) {
- sysctl_lowmem_reserve_ratio[idx] = 0;
+ if (!sysctl_lowmem_reserve_ratio[idx] ||
+ !zone_managed_pages(lower_zone)) {
lower_zone->lowmem_reserve[j] = 0;
+ continue;
} else {
lower_zone->lowmem_reserve[j] =
managed_pages / sysctl_lowmem_reserve_ratio[idx];
@@ -7875,9 +7810,9 @@ static void __setup_per_zone_wmarks(void)
mult_frac(zone_managed_pages(zone),
watermark_scale_factor, 10000));
+ zone->watermark_boost = 0;
zone->_watermark[WMARK_LOW] = min_wmark_pages(zone) + tmp;
zone->_watermark[WMARK_HIGH] = min_wmark_pages(zone) + tmp * 2;
- zone->watermark_boost = 0;
spin_unlock_irqrestore(&zone->lock, flags);
}
@@ -7963,7 +7898,7 @@ core_initcall(init_per_zone_wmark_min)
* changes.
*/
int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int rc;
@@ -7978,20 +7913,8 @@ int min_free_kbytes_sysctl_handler(struct ctl_table *table, int write,
return 0;
}
-int watermark_boost_factor_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
-{
- int rc;
-
- rc = proc_dointvec_minmax(table, write, buffer, length, ppos);
- if (rc)
- return rc;
-
- return 0;
-}
-
int watermark_scale_factor_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int rc;
@@ -8021,7 +7944,7 @@ static void setup_min_unmapped_ratio(void)
int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int rc;
@@ -8048,7 +7971,7 @@ static void setup_min_slab_ratio(void)
}
int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int rc;
@@ -8072,9 +7995,17 @@ int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *table, int write,
* if in function of the boot time zone sizes.
*/
int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
+ int i;
+
proc_dointvec_minmax(table, write, buffer, length, ppos);
+
+ for (i = 0; i < MAX_NR_ZONES; i++) {
+ if (sysctl_lowmem_reserve_ratio[i] < 1)
+ sysctl_lowmem_reserve_ratio[i] = 0;
+ }
+
setup_per_zone_lowmem_reserve();
return 0;
}
@@ -8094,7 +8025,7 @@ static void __zone_pcp_update(struct zone *zone)
* pagelist can have before it gets flushed back to buddy allocator.
*/
int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
struct zone *zone;
int old_percpu_pagelist_fraction;
@@ -8238,7 +8169,7 @@ void *__init alloc_large_system_hash(const char *tablename,
table = memblock_alloc_raw(size,
SMP_CACHE_BYTES);
} else if (get_order(size) >= MAX_ORDER || hashdist) {
- table = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+ table = __vmalloc(size, gfp_flags);
virt = true;
} else {
/*
@@ -8402,7 +8333,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
unsigned long start, unsigned long end)
{
/* This function is based on compact_zone() from compaction.c. */
- unsigned long nr_reclaimed;
+ unsigned int nr_reclaimed;
unsigned long pfn = start;
unsigned int tries = 0;
int ret = 0;
diff --git a/mm/page_owner.c b/mm/page_owner.c
index 18ecde9f45b2..360461509423 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -312,8 +312,7 @@ void pagetypeinfo_showmixedcount_print(struct seq_file *m,
continue;
page_owner = get_page_owner(page_ext);
- page_mt = gfpflags_to_migratetype(
- page_owner->gfp_mask);
+ page_mt = gfp_migratetype(page_owner->gfp_mask);
if (pageblock_mt != page_mt) {
if (is_migrate_cma(pageblock_mt))
count[MIGRATE_MOVABLE]++;
@@ -359,7 +358,7 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn,
/* Print information relevant to grouping pages by mobility */
pageblock_mt = get_pageblock_migratetype(page);
- page_mt = gfpflags_to_migratetype(page_owner->gfp_mask);
+ page_mt = gfp_migratetype(page_owner->gfp_mask);
ret += snprintf(kbuf + ret, count - ret,
"PFN %lu type %s Block %lu type %s Flags %#lx(%pGp)\n",
pfn,
@@ -416,7 +415,7 @@ void __dump_page_owner(struct page *page)
page_owner = get_page_owner(page_ext);
gfp_mask = page_owner->gfp_mask;
- mt = gfpflags_to_migratetype(gfp_mask);
+ mt = gfp_migratetype(gfp_mask);
if (!test_bit(PAGE_EXT_OWNER, &page_ext->flags)) {
pr_alert("page_owner info is not present (never set?)\n");
diff --git a/mm/percpu.c b/mm/percpu.c
index d7e3bc649f4e..696367b18222 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -80,6 +80,7 @@
#include <linux/workqueue.h>
#include <linux/kmemleak.h>
#include <linux/sched.h>
+#include <linux/sched/mm.h>
#include <asm/cacheflush.h>
#include <asm/sections.h>
@@ -481,7 +482,7 @@ static void *pcpu_mem_zalloc(size_t size, gfp_t gfp)
if (size <= PAGE_SIZE)
return kzalloc(size, gfp);
else
- return __vmalloc(size, gfp | __GFP_ZERO, PAGE_KERNEL);
+ return __vmalloc(size, gfp | __GFP_ZERO);
}
/**
@@ -1557,10 +1558,9 @@ static struct pcpu_chunk *pcpu_chunk_addr_search(void *addr)
static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved,
gfp_t gfp)
{
- /* whitelisted flags that can be passed to the backing allocators */
- gfp_t pcpu_gfp = gfp & (GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN);
- bool is_atomic = (gfp & GFP_KERNEL) != GFP_KERNEL;
- bool do_warn = !(gfp & __GFP_NOWARN);
+ gfp_t pcpu_gfp;
+ bool is_atomic;
+ bool do_warn;
static int warn_limit = 10;
struct pcpu_chunk *chunk, *next;
const char *err;
@@ -1569,6 +1569,12 @@ static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved,
void __percpu *ptr;
size_t bits, bit_align;
+ gfp = current_gfp_context(gfp);
+ /* whitelisted flags that can be passed to the backing allocators */
+ pcpu_gfp = gfp & (GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN);
+ is_atomic = (gfp & GFP_KERNEL) != GFP_KERNEL;
+ do_warn = !(gfp & __GFP_NOWARN);
+
/*
* There is now a minimum allocation size of PCPU_MIN_ALLOC_SIZE,
* therefore alignment must be a minimum of that many bytes.
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 3d7c01e76efc..d18f0e1b6792 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -194,7 +194,7 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp)
pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp)
{
- pmd_t old = pmdp_establish(vma, address, pmdp, pmd_mknotpresent(*pmdp));
+ pmd_t old = pmdp_establish(vma, address, pmdp, pmd_mkinvalid(*pmdp));
flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
return old;
}
diff --git a/mm/ptdump.c b/mm/ptdump.c
index 26208d0d03b7..f4ce916f5602 100644
--- a/mm/ptdump.c
+++ b/mm/ptdump.c
@@ -36,6 +36,9 @@ static int ptdump_pgd_entry(pgd_t *pgd, unsigned long addr,
return note_kasan_page_table(walk, addr);
#endif
+ if (st->effective_prot)
+ st->effective_prot(st, 0, pgd_val(val));
+
if (pgd_leaf(val))
st->note_page(st, addr, 0, pgd_val(val));
@@ -53,6 +56,9 @@ static int ptdump_p4d_entry(p4d_t *p4d, unsigned long addr,
return note_kasan_page_table(walk, addr);
#endif
+ if (st->effective_prot)
+ st->effective_prot(st, 1, p4d_val(val));
+
if (p4d_leaf(val))
st->note_page(st, addr, 1, p4d_val(val));
@@ -70,6 +76,9 @@ static int ptdump_pud_entry(pud_t *pud, unsigned long addr,
return note_kasan_page_table(walk, addr);
#endif
+ if (st->effective_prot)
+ st->effective_prot(st, 2, pud_val(val));
+
if (pud_leaf(val))
st->note_page(st, addr, 2, pud_val(val));
@@ -87,6 +96,8 @@ static int ptdump_pmd_entry(pmd_t *pmd, unsigned long addr,
return note_kasan_page_table(walk, addr);
#endif
+ if (st->effective_prot)
+ st->effective_prot(st, 3, pmd_val(val));
if (pmd_leaf(val))
st->note_page(st, addr, 3, pmd_val(val));
@@ -97,8 +108,12 @@ static int ptdump_pte_entry(pte_t *pte, unsigned long addr,
unsigned long next, struct mm_walk *walk)
{
struct ptdump_state *st = walk->private;
+ pte_t val = READ_ONCE(*pte);
+
+ if (st->effective_prot)
+ st->effective_prot(st, 4, pte_val(val));
- st->note_page(st, addr, 4, pte_val(READ_ONCE(*pte)));
+ st->note_page(st, addr, 4, pte_val(val));
return 0;
}
diff --git a/mm/readahead.c b/mm/readahead.c
index 2fe72cd29b47..3c9a8dd7c56c 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -22,6 +22,7 @@
#include <linux/mm_inline.h>
#include <linux/blk-cgroup.h>
#include <linux/fadvise.h>
+#include <linux/sched/mm.h>
#include "internal.h"
@@ -113,94 +114,126 @@ int read_cache_pages(struct address_space *mapping, struct list_head *pages,
EXPORT_SYMBOL(read_cache_pages);
-static int read_pages(struct address_space *mapping, struct file *filp,
- struct list_head *pages, unsigned int nr_pages, gfp_t gfp)
+static void read_pages(struct readahead_control *rac, struct list_head *pages,
+ bool skip_page)
{
+ const struct address_space_operations *aops = rac->mapping->a_ops;
+ struct page *page;
struct blk_plug plug;
- unsigned page_idx;
- int ret;
+
+ if (!readahead_count(rac))
+ goto out;
blk_start_plug(&plug);
- if (mapping->a_ops->readpages) {
- ret = mapping->a_ops->readpages(filp, mapping, pages, nr_pages);
+ if (aops->readahead) {
+ aops->readahead(rac);
+ /* Clean up the remaining pages */
+ while ((page = readahead_page(rac))) {
+ unlock_page(page);
+ put_page(page);
+ }
+ } else if (aops->readpages) {
+ aops->readpages(rac->file, rac->mapping, pages,
+ readahead_count(rac));
/* Clean up the remaining pages */
put_pages_list(pages);
- goto out;
- }
-
- for (page_idx = 0; page_idx < nr_pages; page_idx++) {
- struct page *page = lru_to_page(pages);
- list_del(&page->lru);
- if (!add_to_page_cache_lru(page, mapping, page->index, gfp))
- mapping->a_ops->readpage(filp, page);
- put_page(page);
+ rac->_index += rac->_nr_pages;
+ rac->_nr_pages = 0;
+ } else {
+ while ((page = readahead_page(rac))) {
+ aops->readpage(rac->file, page);
+ put_page(page);
+ }
}
- ret = 0;
-out:
blk_finish_plug(&plug);
- return ret;
+ BUG_ON(!list_empty(pages));
+ BUG_ON(readahead_count(rac));
+
+out:
+ if (skip_page)
+ rac->_index++;
}
-/*
- * __do_page_cache_readahead() actually reads a chunk of disk. It allocates
- * the pages first, then submits them for I/O. This avoids the very bad
- * behaviour which would occur if page allocations are causing VM writeback.
- * We really don't want to intermingle reads and writes like that.
+/**
+ * page_cache_readahead_unbounded - Start unchecked readahead.
+ * @mapping: File address space.
+ * @file: This instance of the open file; used for authentication.
+ * @index: First page index to read.
+ * @nr_to_read: The number of pages to read.
+ * @lookahead_size: Where to start the next readahead.
*
- * Returns the number of pages requested, or the maximum amount of I/O allowed.
+ * This function is for filesystems to call when they want to start
+ * readahead beyond a file's stated i_size. This is almost certainly
+ * not the function you want to call. Use page_cache_async_readahead()
+ * or page_cache_sync_readahead() instead.
+ *
+ * Context: File is referenced by caller. Mutexes may be held by caller.
+ * May sleep, but will not reenter filesystem to reclaim memory.
*/
-unsigned int __do_page_cache_readahead(struct address_space *mapping,
- struct file *filp, pgoff_t offset, unsigned long nr_to_read,
+void page_cache_readahead_unbounded(struct address_space *mapping,
+ struct file *file, pgoff_t index, unsigned long nr_to_read,
unsigned long lookahead_size)
{
- struct inode *inode = mapping->host;
- struct page *page;
- unsigned long end_index; /* The last page we want to read */
LIST_HEAD(page_pool);
- int page_idx;
- unsigned int nr_pages = 0;
- loff_t isize = i_size_read(inode);
gfp_t gfp_mask = readahead_gfp_mask(mapping);
+ struct readahead_control rac = {
+ .mapping = mapping,
+ .file = file,
+ ._index = index,
+ };
+ unsigned long i;
- if (isize == 0)
- goto out;
-
- end_index = ((isize - 1) >> PAGE_SHIFT);
+ /*
+ * Partway through the readahead operation, we will have added
+ * locked pages to the page cache, but will not yet have submitted
+ * them for I/O. Adding another page may need to allocate memory,
+ * which can trigger memory reclaim. Telling the VM we're in
+ * the middle of a filesystem operation will cause it to not
+ * touch file-backed pages, preventing a deadlock. Most (all?)
+ * filesystems already specify __GFP_NOFS in their mapping's
+ * gfp_mask, but let's be explicit here.
+ */
+ unsigned int nofs = memalloc_nofs_save();
/*
* Preallocate as many pages as we will need.
*/
- for (page_idx = 0; page_idx < nr_to_read; page_idx++) {
- pgoff_t page_offset = offset + page_idx;
+ for (i = 0; i < nr_to_read; i++) {
+ struct page *page = xa_load(&mapping->i_pages, index + i);
- if (page_offset > end_index)
- break;
+ BUG_ON(index + i != rac._index + rac._nr_pages);
- page = xa_load(&mapping->i_pages, page_offset);
if (page && !xa_is_value(page)) {
/*
- * Page already present? Kick off the current batch of
- * contiguous pages before continuing with the next
- * batch.
+ * Page already present? Kick off the current batch
+ * of contiguous pages before continuing with the
+ * next batch. This page may be the one we would
+ * have intended to mark as Readahead, but we don't
+ * have a stable reference to this page, and it's
+ * not worth getting one just for that.
*/
- if (nr_pages)
- read_pages(mapping, filp, &page_pool, nr_pages,
- gfp_mask);
- nr_pages = 0;
+ read_pages(&rac, &page_pool, true);
continue;
}
page = __page_cache_alloc(gfp_mask);
if (!page)
break;
- page->index = page_offset;
- list_add(&page->lru, &page_pool);
- if (page_idx == nr_to_read - lookahead_size)
+ if (mapping->a_ops->readpages) {
+ page->index = index + i;
+ list_add(&page->lru, &page_pool);
+ } else if (add_to_page_cache_lru(page, mapping, index + i,
+ gfp_mask) < 0) {
+ put_page(page);
+ read_pages(&rac, &page_pool, true);
+ continue;
+ }
+ if (i == nr_to_read - lookahead_size)
SetPageReadahead(page);
- nr_pages++;
+ rac._nr_pages++;
}
/*
@@ -208,26 +241,53 @@ unsigned int __do_page_cache_readahead(struct address_space *mapping,
* uptodate then the caller will launch readpage again, and
* will then handle the error.
*/
- if (nr_pages)
- read_pages(mapping, filp, &page_pool, nr_pages, gfp_mask);
- BUG_ON(!list_empty(&page_pool));
-out:
- return nr_pages;
+ read_pages(&rac, &page_pool, false);
+ memalloc_nofs_restore(nofs);
+}
+EXPORT_SYMBOL_GPL(page_cache_readahead_unbounded);
+
+/*
+ * __do_page_cache_readahead() actually reads a chunk of disk. It allocates
+ * the pages first, then submits them for I/O. This avoids the very bad
+ * behaviour which would occur if page allocations are causing VM writeback.
+ * We really don't want to intermingle reads and writes like that.
+ */
+void __do_page_cache_readahead(struct address_space *mapping,
+ struct file *file, pgoff_t index, unsigned long nr_to_read,
+ unsigned long lookahead_size)
+{
+ struct inode *inode = mapping->host;
+ loff_t isize = i_size_read(inode);
+ pgoff_t end_index; /* The last page we want to read */
+
+ if (isize == 0)
+ return;
+
+ end_index = (isize - 1) >> PAGE_SHIFT;
+ if (index > end_index)
+ return;
+ /* Don't read past the page containing the last byte of the file */
+ if (nr_to_read > end_index - index)
+ nr_to_read = end_index - index + 1;
+
+ page_cache_readahead_unbounded(mapping, file, index, nr_to_read,
+ lookahead_size);
}
/*
* Chunk the readahead into 2 megabyte units, so that we don't pin too much
* memory at once.
*/
-int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
- pgoff_t offset, unsigned long nr_to_read)
+void force_page_cache_readahead(struct address_space *mapping,
+ struct file *filp, pgoff_t index, unsigned long nr_to_read)
{
struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
struct file_ra_state *ra = &filp->f_ra;
unsigned long max_pages;
- if (unlikely(!mapping->a_ops->readpage && !mapping->a_ops->readpages))
- return -EINVAL;
+ if (unlikely(!mapping->a_ops->readpage && !mapping->a_ops->readpages &&
+ !mapping->a_ops->readahead))
+ return;
/*
* If the request exceeds the readahead window, allow the read to
@@ -240,12 +300,11 @@ int force_page_cache_readahead(struct address_space *mapping, struct file *filp,
if (this_chunk > nr_to_read)
this_chunk = nr_to_read;
- __do_page_cache_readahead(mapping, filp, offset, this_chunk, 0);
+ __do_page_cache_readahead(mapping, filp, index, this_chunk, 0);
- offset += this_chunk;
+ index += this_chunk;
nr_to_read -= this_chunk;
}
- return 0;
}
/*
@@ -324,21 +383,21 @@ static unsigned long get_next_ra_size(struct file_ra_state *ra,
*/
/*
- * Count contiguously cached pages from @offset-1 to @offset-@max,
+ * Count contiguously cached pages from @index-1 to @index-@max,
* this count is a conservative estimation of
* - length of the sequential read sequence, or
* - thrashing threshold in memory tight systems
*/
static pgoff_t count_history_pages(struct address_space *mapping,
- pgoff_t offset, unsigned long max)
+ pgoff_t index, unsigned long max)
{
pgoff_t head;
rcu_read_lock();
- head = page_cache_prev_miss(mapping, offset - 1, max);
+ head = page_cache_prev_miss(mapping, index - 1, max);
rcu_read_unlock();
- return offset - 1 - head;
+ return index - 1 - head;
}
/*
@@ -346,13 +405,13 @@ static pgoff_t count_history_pages(struct address_space *mapping,
*/
static int try_context_readahead(struct address_space *mapping,
struct file_ra_state *ra,
- pgoff_t offset,
+ pgoff_t index,
unsigned long req_size,
unsigned long max)
{
pgoff_t size;
- size = count_history_pages(mapping, offset, max);
+ size = count_history_pages(mapping, index, max);
/*
* not enough history pages:
@@ -365,10 +424,10 @@ static int try_context_readahead(struct address_space *mapping,
* starts from beginning of file:
* it is a strong indication of long-run stream (or whole-file-read)
*/
- if (size >= offset)
+ if (size >= index)
size *= 2;
- ra->start = offset;
+ ra->start = index;
ra->size = min(size + req_size, max);
ra->async_size = 1;
@@ -378,16 +437,15 @@ static int try_context_readahead(struct address_space *mapping,
/*
* A minimal readahead algorithm for trivial sequential/random reads.
*/
-static unsigned long
-ondemand_readahead(struct address_space *mapping,
- struct file_ra_state *ra, struct file *filp,
- bool hit_readahead_marker, pgoff_t offset,
- unsigned long req_size)
+static void ondemand_readahead(struct address_space *mapping,
+ struct file_ra_state *ra, struct file *filp,
+ bool hit_readahead_marker, pgoff_t index,
+ unsigned long req_size)
{
struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
unsigned long max_pages = ra->ra_pages;
unsigned long add_pages;
- pgoff_t prev_offset;
+ pgoff_t prev_index;
/*
* If the request exceeds the readahead window, allow the read to
@@ -399,15 +457,15 @@ ondemand_readahead(struct address_space *mapping,
/*
* start of file
*/
- if (!offset)
+ if (!index)
goto initial_readahead;
/*
- * It's the expected callback offset, assume sequential access.
+ * It's the expected callback index, assume sequential access.
* Ramp up sizes, and push forward the readahead window.
*/
- if ((offset == (ra->start + ra->size - ra->async_size) ||
- offset == (ra->start + ra->size))) {
+ if ((index == (ra->start + ra->size - ra->async_size) ||
+ index == (ra->start + ra->size))) {
ra->start += ra->size;
ra->size = get_next_ra_size(ra, max_pages);
ra->async_size = ra->size;
@@ -424,14 +482,14 @@ ondemand_readahead(struct address_space *mapping,
pgoff_t start;
rcu_read_lock();
- start = page_cache_next_miss(mapping, offset + 1, max_pages);
+ start = page_cache_next_miss(mapping, index + 1, max_pages);
rcu_read_unlock();
- if (!start || start - offset > max_pages)
- return 0;
+ if (!start || start - index > max_pages)
+ return;
ra->start = start;
- ra->size = start - offset; /* old async_size */
+ ra->size = start - index; /* old async_size */
ra->size += req_size;
ra->size = get_next_ra_size(ra, max_pages);
ra->async_size = ra->size;
@@ -446,28 +504,29 @@ ondemand_readahead(struct address_space *mapping,
/*
* sequential cache miss
- * trivial case: (offset - prev_offset) == 1
- * unaligned reads: (offset - prev_offset) == 0
+ * trivial case: (index - prev_index) == 1
+ * unaligned reads: (index - prev_index) == 0
*/
- prev_offset = (unsigned long long)ra->prev_pos >> PAGE_SHIFT;
- if (offset - prev_offset <= 1UL)
+ prev_index = (unsigned long long)ra->prev_pos >> PAGE_SHIFT;
+ if (index - prev_index <= 1UL)
goto initial_readahead;
/*
* Query the page cache and look for the traces(cached history pages)
* that a sequential stream would leave behind.
*/
- if (try_context_readahead(mapping, ra, offset, req_size, max_pages))
+ if (try_context_readahead(mapping, ra, index, req_size, max_pages))
goto readit;
/*
* standalone, small random read
* Read as is, and do not pollute the readahead state.
*/
- return __do_page_cache_readahead(mapping, filp, offset, req_size, 0);
+ __do_page_cache_readahead(mapping, filp, index, req_size, 0);
+ return;
initial_readahead:
- ra->start = offset;
+ ra->start = index;
ra->size = get_init_ra_size(req_size, max_pages);
ra->async_size = ra->size > req_size ? ra->size - req_size : ra->size;
@@ -478,7 +537,7 @@ readit:
* the resulted next readahead window into the current one.
* Take care of maximum IO pages as above.
*/
- if (offset == ra->start && ra->size == ra->async_size) {
+ if (index == ra->start && ra->size == ra->async_size) {
add_pages = get_next_ra_size(ra, max_pages);
if (ra->size + add_pages <= max_pages) {
ra->async_size = add_pages;
@@ -489,7 +548,7 @@ readit:
}
}
- return ra_submit(ra, mapping, filp);
+ ra_submit(ra, mapping, filp);
}
/**
@@ -497,9 +556,8 @@ readit:
* @mapping: address_space which holds the pagecache and I/O vectors
* @ra: file_ra_state which holds the readahead state
* @filp: passed on to ->readpage() and ->readpages()
- * @offset: start offset into @mapping, in pagecache page-sized units
- * @req_size: hint: total size of the read which the caller is performing in
- * pagecache pages
+ * @index: Index of first page to be read.
+ * @req_count: Total number of pages being read by the caller.
*
* page_cache_sync_readahead() should be called when a cache miss happened:
* it will submit the read. The readahead logic may decide to piggyback more
@@ -508,7 +566,7 @@ readit:
*/
void page_cache_sync_readahead(struct address_space *mapping,
struct file_ra_state *ra, struct file *filp,
- pgoff_t offset, unsigned long req_size)
+ pgoff_t index, unsigned long req_count)
{
/* no read-ahead */
if (!ra->ra_pages)
@@ -519,12 +577,12 @@ void page_cache_sync_readahead(struct address_space *mapping,
/* be dumb */
if (filp && (filp->f_mode & FMODE_RANDOM)) {
- force_page_cache_readahead(mapping, filp, offset, req_size);
+ force_page_cache_readahead(mapping, filp, index, req_count);
return;
}
/* do read-ahead */
- ondemand_readahead(mapping, ra, filp, false, offset, req_size);
+ ondemand_readahead(mapping, ra, filp, false, index, req_count);
}
EXPORT_SYMBOL_GPL(page_cache_sync_readahead);
@@ -533,21 +591,20 @@ EXPORT_SYMBOL_GPL(page_cache_sync_readahead);
* @mapping: address_space which holds the pagecache and I/O vectors
* @ra: file_ra_state which holds the readahead state
* @filp: passed on to ->readpage() and ->readpages()
- * @page: the page at @offset which has the PG_readahead flag set
- * @offset: start offset into @mapping, in pagecache page-sized units
- * @req_size: hint: total size of the read which the caller is performing in
- * pagecache pages
+ * @page: The page at @index which triggered the readahead call.
+ * @index: Index of first page to be read.
+ * @req_count: Total number of pages being read by the caller.
*
* page_cache_async_readahead() should be called when a page is used which
- * has the PG_readahead flag; this is a marker to suggest that the application
+ * is marked as PageReadahead; this is a marker to suggest that the application
* has used up enough of the readahead window that we should start pulling in
* more pages.
*/
void
page_cache_async_readahead(struct address_space *mapping,
struct file_ra_state *ra, struct file *filp,
- struct page *page, pgoff_t offset,
- unsigned long req_size)
+ struct page *page, pgoff_t index,
+ unsigned long req_count)
{
/* no read-ahead */
if (!ra->ra_pages)
@@ -571,7 +628,7 @@ page_cache_async_readahead(struct address_space *mapping,
return;
/* do read-ahead */
- ondemand_readahead(mapping, ra, filp, true, offset, req_size);
+ ondemand_readahead(mapping, ra, filp, true, index, req_count);
}
EXPORT_SYMBOL_GPL(page_cache_async_readahead);
diff --git a/mm/rmap.c b/mm/rmap.c
index f79a206b271a..ad4a0fdcc94c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1114,6 +1114,11 @@ void do_page_add_anon_rmap(struct page *page,
bool compound = flags & RMAP_COMPOUND;
bool first;
+ if (unlikely(PageKsm(page)))
+ lock_page_memcg(page);
+ else
+ VM_BUG_ON_PAGE(!PageLocked(page), page);
+
if (compound) {
atomic_t *mapcount;
VM_BUG_ON_PAGE(!PageLocked(page), page);
@@ -1133,13 +1138,14 @@ void do_page_add_anon_rmap(struct page *page,
* disabled.
*/
if (compound)
- __inc_node_page_state(page, NR_ANON_THPS);
- __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr);
+ __inc_lruvec_page_state(page, NR_ANON_THPS);
+ __mod_lruvec_page_state(page, NR_ANON_MAPPED, nr);
}
- if (unlikely(PageKsm(page)))
- return;
- VM_BUG_ON_PAGE(!PageLocked(page), page);
+ if (unlikely(PageKsm(page))) {
+ unlock_page_memcg(page);
+ return;
+ }
/* address might be in next vma when migration races vma_adjust */
if (first)
@@ -1174,14 +1180,14 @@ void page_add_new_anon_rmap(struct page *page,
if (hpage_pincount_available(page))
atomic_set(compound_pincount_ptr(page), 0);
- __inc_node_page_state(page, NR_ANON_THPS);
+ __inc_lruvec_page_state(page, NR_ANON_THPS);
} else {
/* Anon THP always mapped first with PMD */
VM_BUG_ON_PAGE(PageTransCompound(page), page);
/* increment count (starts at -1) */
atomic_set(&page->_mapcount, 0);
}
- __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr);
+ __mod_lruvec_page_state(page, NR_ANON_MAPPED, nr);
__page_set_anon_rmap(page, vma, address, 1);
}
@@ -1230,13 +1236,12 @@ static void page_remove_file_rmap(struct page *page, bool compound)
int i, nr = 1;
VM_BUG_ON_PAGE(compound && !PageHead(page), page);
- lock_page_memcg(page);
/* Hugepages are not counted in NR_FILE_MAPPED for now. */
if (unlikely(PageHuge(page))) {
/* hugetlb pages are always mapped with pmds */
atomic_dec(compound_mapcount_ptr(page));
- goto out;
+ return;
}
/* page still mapped by someone else? */
@@ -1246,14 +1251,14 @@ static void page_remove_file_rmap(struct page *page, bool compound)
nr++;
}
if (!atomic_add_negative(-1, compound_mapcount_ptr(page)))
- goto out;
+ return;
if (PageSwapBacked(page))
__dec_node_page_state(page, NR_SHMEM_PMDMAPPED);
else
__dec_node_page_state(page, NR_FILE_PMDMAPPED);
} else {
if (!atomic_add_negative(-1, &page->_mapcount))
- goto out;
+ return;
}
/*
@@ -1265,8 +1270,6 @@ static void page_remove_file_rmap(struct page *page, bool compound)
if (unlikely(PageMlocked(page)))
clear_page_mlock(page);
-out:
- unlock_page_memcg(page);
}
static void page_remove_anon_compound_rmap(struct page *page)
@@ -1283,7 +1286,7 @@ static void page_remove_anon_compound_rmap(struct page *page)
if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE))
return;
- __dec_node_page_state(page, NR_ANON_THPS);
+ __dec_lruvec_page_state(page, NR_ANON_THPS);
if (TestClearPageDoubleMap(page)) {
/*
@@ -1310,7 +1313,7 @@ static void page_remove_anon_compound_rmap(struct page *page)
clear_page_mlock(page);
if (nr)
- __mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, -nr);
+ __mod_lruvec_page_state(page, NR_ANON_MAPPED, -nr);
}
/**
@@ -1322,22 +1325,28 @@ static void page_remove_anon_compound_rmap(struct page *page)
*/
void page_remove_rmap(struct page *page, bool compound)
{
- if (!PageAnon(page))
- return page_remove_file_rmap(page, compound);
+ lock_page_memcg(page);
- if (compound)
- return page_remove_anon_compound_rmap(page);
+ if (!PageAnon(page)) {
+ page_remove_file_rmap(page, compound);
+ goto out;
+ }
+
+ if (compound) {
+ page_remove_anon_compound_rmap(page);
+ goto out;
+ }
/* page still mapped by someone else? */
if (!atomic_add_negative(-1, &page->_mapcount))
- return;
+ goto out;
/*
* We use the irq-unsafe __{inc|mod}_zone_page_stat because
* these counters are not modified in interrupt context, and
* pte lock(a spinlock) is held, which implies preemption disabled.
*/
- __dec_node_page_state(page, NR_ANON_MAPPED);
+ __dec_lruvec_page_state(page, NR_ANON_MAPPED);
if (unlikely(PageMlocked(page)))
clear_page_mlock(page);
@@ -1354,6 +1363,8 @@ void page_remove_rmap(struct page *page, bool compound)
* Leaving it set also helps swapoff to reinstate ptes
* faster for those pages still in swapcache.
*/
+out:
+ unlock_page_memcg(page);
}
/*
diff --git a/mm/shmem.c b/mm/shmem.c
index d722eb830317..ea95a3e46fbb 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -605,11 +605,13 @@ static inline bool is_huge_enabled(struct shmem_sb_info *sbinfo)
*/
static int shmem_add_to_page_cache(struct page *page,
struct address_space *mapping,
- pgoff_t index, void *expected, gfp_t gfp)
+ pgoff_t index, void *expected, gfp_t gfp,
+ struct mm_struct *charge_mm)
{
XA_STATE_ORDER(xas, &mapping->i_pages, index, compound_order(page));
unsigned long i = 0;
unsigned long nr = compound_nr(page);
+ int error;
VM_BUG_ON_PAGE(PageTail(page), page);
VM_BUG_ON_PAGE(index != round_down(index, nr), page);
@@ -621,6 +623,18 @@ static int shmem_add_to_page_cache(struct page *page,
page->mapping = mapping;
page->index = index;
+ if (!PageSwapCache(page)) {
+ error = mem_cgroup_charge(page, charge_mm, gfp);
+ if (error) {
+ if (PageTransHuge(page)) {
+ count_vm_event(THP_FILE_FALLBACK);
+ count_vm_event(THP_FILE_FALLBACK_CHARGE);
+ }
+ goto error;
+ }
+ }
+ cgroup_throttle_swaprate(page, gfp);
+
do {
void *entry;
xas_lock_irq(&xas);
@@ -641,19 +655,22 @@ next:
__inc_node_page_state(page, NR_SHMEM_THPS);
}
mapping->nrpages += nr;
- __mod_node_page_state(page_pgdat(page), NR_FILE_PAGES, nr);
- __mod_node_page_state(page_pgdat(page), NR_SHMEM, nr);
+ __mod_lruvec_page_state(page, NR_FILE_PAGES, nr);
+ __mod_lruvec_page_state(page, NR_SHMEM, nr);
unlock:
xas_unlock_irq(&xas);
} while (xas_nomem(&xas, gfp));
if (xas_error(&xas)) {
- page->mapping = NULL;
- page_ref_sub(page, nr);
- return xas_error(&xas);
+ error = xas_error(&xas);
+ goto error;
}
return 0;
+error:
+ page->mapping = NULL;
+ page_ref_sub(page, nr);
+ return error;
}
/*
@@ -670,8 +687,8 @@ static void shmem_delete_from_page_cache(struct page *page, void *radswap)
error = shmem_replace_entry(mapping, page->index, page, radswap);
page->mapping = NULL;
mapping->nrpages--;
- __dec_node_page_state(page, NR_FILE_PAGES);
- __dec_node_page_state(page, NR_SHMEM);
+ __dec_lruvec_page_state(page, NR_FILE_PAGES);
+ __dec_lruvec_page_state(page, NR_SHMEM);
xa_unlock_irq(&mapping->i_pages);
put_page(page);
BUG_ON(error);
@@ -952,7 +969,7 @@ static void shmem_undo_range(struct inode *inode, loff_t lstart, loff_t lend,
VM_BUG_ON_PAGE(PageWriteback(page), page);
if (shmem_punch_compound(page, start, end))
truncate_inode_page(mapping, page);
- else {
+ else if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE)) {
/* Wipe the page and don't get stuck */
clear_highpage(page);
flush_dcache_page(page);
@@ -1578,8 +1595,9 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp,
xa_lock_irq(&swap_mapping->i_pages);
error = shmem_replace_entry(swap_mapping, swap_index, oldpage, newpage);
if (!error) {
- __inc_node_page_state(newpage, NR_FILE_PAGES);
- __dec_node_page_state(oldpage, NR_FILE_PAGES);
+ mem_cgroup_migrate(oldpage, newpage);
+ __inc_lruvec_page_state(newpage, NR_FILE_PAGES);
+ __dec_lruvec_page_state(oldpage, NR_FILE_PAGES);
}
xa_unlock_irq(&swap_mapping->i_pages);
@@ -1591,8 +1609,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp,
*/
oldpage = newpage;
} else {
- mem_cgroup_migrate(oldpage, newpage);
- lru_cache_add_anon(newpage);
+ lru_cache_add(newpage);
*pagep = newpage;
}
@@ -1619,7 +1636,6 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
struct address_space *mapping = inode->i_mapping;
struct shmem_inode_info *info = SHMEM_I(inode);
struct mm_struct *charge_mm = vma ? vma->vm_mm : current->mm;
- struct mem_cgroup *memcg;
struct page *page;
swp_entry_t swap;
int error;
@@ -1664,31 +1680,12 @@ static int shmem_swapin_page(struct inode *inode, pgoff_t index,
goto failed;
}
- error = mem_cgroup_try_charge_delay(page, charge_mm, gfp, &memcg,
- false);
- if (!error) {
- error = shmem_add_to_page_cache(page, mapping, index,
- swp_to_radix_entry(swap), gfp);
- /*
- * We already confirmed swap under page lock, and make
- * no memory allocation here, so usually no possibility
- * of error; but free_swap_and_cache() only trylocks a
- * page, so it is just possible that the entry has been
- * truncated or holepunched since swap was confirmed.
- * shmem_undo_range() will have done some of the
- * unaccounting, now delete_from_swap_cache() will do
- * the rest.
- */
- if (error) {
- mem_cgroup_cancel_charge(page, memcg, false);
- delete_from_swap_cache(page);
- }
- }
+ error = shmem_add_to_page_cache(page, mapping, index,
+ swp_to_radix_entry(swap), gfp,
+ charge_mm);
if (error)
goto failed;
- mem_cgroup_commit_charge(page, memcg, true, false);
-
spin_lock_irq(&info->lock);
info->swapped--;
shmem_recalc_inode(inode);
@@ -1734,7 +1731,6 @@ static int shmem_getpage_gfp(struct inode *inode, pgoff_t index,
struct shmem_inode_info *info = SHMEM_I(inode);
struct shmem_sb_info *sbinfo;
struct mm_struct *charge_mm;
- struct mem_cgroup *memcg;
struct page *page;
enum sgp_type sgp_huge = sgp;
pgoff_t hindex = index;
@@ -1859,25 +1855,12 @@ alloc_nohuge:
if (sgp == SGP_WRITE)
__SetPageReferenced(page);
- error = mem_cgroup_try_charge_delay(page, charge_mm, gfp, &memcg,
- PageTransHuge(page));
- if (error) {
- if (PageTransHuge(page)) {
- count_vm_event(THP_FILE_FALLBACK);
- count_vm_event(THP_FILE_FALLBACK_CHARGE);
- }
- goto unacct;
- }
error = shmem_add_to_page_cache(page, mapping, hindex,
- NULL, gfp & GFP_RECLAIM_MASK);
- if (error) {
- mem_cgroup_cancel_charge(page, memcg,
- PageTransHuge(page));
+ NULL, gfp & GFP_RECLAIM_MASK,
+ charge_mm);
+ if (error)
goto unacct;
- }
- mem_cgroup_commit_charge(page, memcg, false,
- PageTransHuge(page));
- lru_cache_add_anon(page);
+ lru_cache_add(page);
spin_lock_irq(&info->lock);
info->alloced += compound_nr(page);
@@ -2179,7 +2162,11 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user)
struct shmem_inode_info *info = SHMEM_I(inode);
int retval = -ENOMEM;
- spin_lock_irq(&info->lock);
+ /*
+ * What serializes the accesses to info->flags?
+ * ipc_lock_object() when called from shmctl_do_lock(),
+ * no serialization needed when called from shm_destroy().
+ */
if (lock && !(info->flags & VM_LOCKED)) {
if (!user_shm_lock(inode->i_size, user))
goto out_nomem;
@@ -2194,7 +2181,6 @@ int shmem_lock(struct file *file, int lock, struct user_struct *user)
retval = 0;
out_nomem:
- spin_unlock_irq(&info->lock);
return retval;
}
@@ -2311,7 +2297,6 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
struct address_space *mapping = inode->i_mapping;
gfp_t gfp = mapping_gfp_mask(mapping);
pgoff_t pgoff = linear_page_index(dst_vma, dst_addr);
- struct mem_cgroup *memcg;
spinlock_t *ptl;
void *page_kaddr;
struct page *page;
@@ -2361,16 +2346,10 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
if (unlikely(offset >= max_off))
goto out_release;
- ret = mem_cgroup_try_charge_delay(page, dst_mm, gfp, &memcg, false);
- if (ret)
- goto out_release;
-
ret = shmem_add_to_page_cache(page, mapping, pgoff, NULL,
- gfp & GFP_RECLAIM_MASK);
+ gfp & GFP_RECLAIM_MASK, dst_mm);
if (ret)
- goto out_release_uncharge;
-
- mem_cgroup_commit_charge(page, memcg, false, false);
+ goto out_release;
_dst_pte = mk_pte(page, dst_vma->vm_page_prot);
if (dst_vma->vm_flags & VM_WRITE)
@@ -2391,19 +2370,19 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
ret = -EFAULT;
max_off = DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE);
if (unlikely(offset >= max_off))
- goto out_release_uncharge_unlock;
+ goto out_release_unlock;
ret = -EEXIST;
if (!pte_none(*dst_pte))
- goto out_release_uncharge_unlock;
+ goto out_release_unlock;
- lru_cache_add_anon(page);
+ lru_cache_add(page);
- spin_lock(&info->lock);
+ spin_lock_irq(&info->lock);
info->alloced++;
inode->i_blocks += BLOCKS_PER_PAGE;
shmem_recalc_inode(inode);
- spin_unlock(&info->lock);
+ spin_unlock_irq(&info->lock);
inc_mm_counter(dst_mm, mm_counter_file(page));
page_add_file_rmap(page, false);
@@ -2416,12 +2395,10 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
ret = 0;
out:
return ret;
-out_release_uncharge_unlock:
+out_release_unlock:
pte_unmap_unlock(dst_pte, ptl);
ClearPageDirty(page);
delete_from_page_cache(page);
-out_release_uncharge:
- mem_cgroup_cancel_charge(page, memcg, false);
out_release:
unlock_page(page);
put_page(page);
diff --git a/mm/slab.c b/mm/slab.c
index a89633603b2d..9350062ffc1a 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3106,7 +3106,7 @@ static void *fallback_alloc(struct kmem_cache *cache, gfp_t flags)
struct zonelist *zonelist;
struct zoneref *z;
struct zone *zone;
- enum zone_type high_zoneidx = gfp_zone(flags);
+ enum zone_type highest_zoneidx = gfp_zone(flags);
void *obj = NULL;
struct page *page;
int nid;
@@ -3124,7 +3124,7 @@ retry:
* Look through allowed nodes for objects available
* from existing per node queues.
*/
- for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
+ for_each_zone_zonelist(zone, z, zonelist, highest_zoneidx) {
nid = zone_to_nid(zone);
if (cpuset_zone_allowed(zone, flags) &&
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 23c7500eea7d..9e72ba224175 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -1303,7 +1303,8 @@ void __init create_kmalloc_caches(slab_flags_t flags)
kmalloc_caches[KMALLOC_DMA][i] = create_kmalloc_cache(
kmalloc_info[i].name[KMALLOC_DMA],
kmalloc_info[i].size,
- SLAB_CACHE_DMA | flags, 0, 0);
+ SLAB_CACHE_DMA | flags, 0,
+ kmalloc_info[i].size);
}
}
#endif
diff --git a/mm/slob.c b/mm/slob.c
index fa53e9f73893..ac2aecfbc7a8 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -524,6 +524,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfp, unsigned long caller)
{
return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, caller);
}
+EXPORT_SYMBOL(__kmalloc_track_caller);
#ifdef CONFIG_NUMA
void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
@@ -531,6 +532,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfp,
{
return __do_kmalloc_node(size, gfp, node, caller);
}
+EXPORT_SYMBOL(__kmalloc_node_track_caller);
#endif
void kfree(const void *block)
diff --git a/mm/slub.c b/mm/slub.c
index 332d4b459a90..d52487919278 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -551,15 +551,32 @@ static void print_section(char *level, char *text, u8 *addr,
metadata_access_disable();
}
+/*
+ * See comment in calculate_sizes().
+ */
+static inline bool freeptr_outside_object(struct kmem_cache *s)
+{
+ return s->offset >= s->inuse;
+}
+
+/*
+ * Return offset of the end of info block which is inuse + free pointer if
+ * not overlapping with object.
+ */
+static inline unsigned int get_info_end(struct kmem_cache *s)
+{
+ if (freeptr_outside_object(s))
+ return s->inuse + sizeof(void *);
+ else
+ return s->inuse;
+}
+
static struct track *get_track(struct kmem_cache *s, void *object,
enum track_item alloc)
{
struct track *p;
- if (s->offset)
- p = object + s->offset + sizeof(void *);
- else
- p = object + s->inuse;
+ p = object + get_info_end(s);
return p + alloc;
}
@@ -662,6 +679,20 @@ static void slab_fix(struct kmem_cache *s, char *fmt, ...)
va_end(args);
}
+static bool freelist_corrupted(struct kmem_cache *s, struct page *page,
+ void *freelist, void *nextfree)
+{
+ if ((s->flags & SLAB_CONSISTENCY_CHECKS) &&
+ !check_valid_pointer(s, page, nextfree)) {
+ object_err(s, page, freelist, "Freechain corrupt");
+ freelist = NULL;
+ slab_fix(s, "Isolate corrupted freechain");
+ return true;
+ }
+
+ return false;
+}
+
static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
{
unsigned int off; /* Offset of last byte */
@@ -686,10 +717,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
print_section(KERN_ERR, "Redzone ", p + s->object_size,
s->inuse - s->object_size);
- if (s->offset)
- off = s->offset + sizeof(void *);
- else
- off = s->inuse;
+ off = get_info_end(s);
if (s->flags & SLAB_STORE_USER)
off += 2 * sizeof(struct track);
@@ -782,7 +810,7 @@ static int check_bytes_and_report(struct kmem_cache *s, struct page *page,
* object address
* Bytes of the object to be managed.
* If the freepointer may overlay the object then the free
- * pointer is the first word of the object.
+ * pointer is at the middle of the object.
*
* Poisoning uses 0x6b (POISON_FREE) and the last byte is
* 0xa5 (POISON_END)
@@ -816,11 +844,7 @@ static int check_bytes_and_report(struct kmem_cache *s, struct page *page,
static int check_pad_bytes(struct kmem_cache *s, struct page *page, u8 *p)
{
- unsigned long off = s->inuse; /* The end of info */
-
- if (s->offset)
- /* Freepointer is placed after the object. */
- off += sizeof(void *);
+ unsigned long off = get_info_end(s); /* The end of info */
if (s->flags & SLAB_STORE_USER)
/* We also have user information there */
@@ -907,7 +931,7 @@ static int check_object(struct kmem_cache *s, struct page *page,
check_pad_bytes(s, page, p);
}
- if (!s->offset && val == SLUB_RED_ACTIVE)
+ if (!freeptr_outside_object(s) && val == SLUB_RED_ACTIVE)
/*
* Object and freepointer overlap. Cannot check
* freepointer while object is allocated.
@@ -1400,6 +1424,11 @@ static inline void inc_slabs_node(struct kmem_cache *s, int node,
static inline void dec_slabs_node(struct kmem_cache *s, int node,
int objects) {}
+static bool freelist_corrupted(struct kmem_cache *s, struct page *page,
+ void *freelist, void *nextfree)
+{
+ return false;
+}
#endif /* CONFIG_SLUB_DEBUG */
/*
@@ -1909,7 +1938,7 @@ static void *get_any_partial(struct kmem_cache *s, gfp_t flags,
struct zonelist *zonelist;
struct zoneref *z;
struct zone *zone;
- enum zone_type high_zoneidx = gfp_zone(flags);
+ enum zone_type highest_zoneidx = gfp_zone(flags);
void *object;
unsigned int cpuset_mems_cookie;
@@ -1938,7 +1967,7 @@ static void *get_any_partial(struct kmem_cache *s, gfp_t flags,
do {
cpuset_mems_cookie = read_mems_allowed_begin();
zonelist = node_zonelist(mempolicy_slab_node(), flags);
- for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
+ for_each_zone_zonelist(zone, z, zonelist, highest_zoneidx) {
struct kmem_cache_node *n;
n = get_node(s, zone_to_nid(zone));
@@ -2083,6 +2112,14 @@ static void deactivate_slab(struct kmem_cache *s, struct page *page,
void *prior;
unsigned long counters;
+ /*
+ * If 'nextfree' is invalid, it is possible that the object at
+ * 'freelist' is already corrupted. So isolate all objects
+ * starting at 'freelist'.
+ */
+ if (freelist_corrupted(s, page, freelist, nextfree))
+ break;
+
do {
prior = page->freelist;
counters = page->counters;
@@ -3533,6 +3570,7 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
{
slab_flags_t flags = s->flags;
unsigned int size = s->object_size;
+ unsigned int freepointer_area;
unsigned int order;
/*
@@ -3541,6 +3579,13 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
* the possible location of the free pointer.
*/
size = ALIGN(size, sizeof(void *));
+ /*
+ * This is the area of the object where a freepointer can be
+ * safely written. If redzoning adds more to the inuse size, we
+ * can't use that portion for writing the freepointer, so
+ * s->offset must be limited within this for the general case.
+ */
+ freepointer_area = size;
#ifdef CONFIG_SLUB_DEBUG
/*
@@ -3579,16 +3624,21 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order)
*
* This is the case if we do RCU, have a constructor or
* destructor or are poisoning the objects.
+ *
+ * The assumption that s->offset >= s->inuse means free
+ * pointer is outside of the object is used in the
+ * freeptr_outside_object() function. If that is no
+ * longer true, the function needs to be modified.
*/
s->offset = size;
size += sizeof(void *);
- } else if (size > sizeof(void *)) {
+ } else if (freepointer_area > sizeof(void *)) {
/*
* Store freelist pointer near middle of object to keep
* it away from the edges of the object to avoid small
* sized over/underflows from neighboring allocations.
*/
- s->offset = ALIGN(size / 2, sizeof(void *));
+ s->offset = ALIGN(freepointer_area / 2, sizeof(void *));
}
#ifdef CONFIG_SLUB_DEBUG
@@ -3716,12 +3766,14 @@ error:
}
static void list_slab_objects(struct kmem_cache *s, struct page *page,
- const char *text)
+ const char *text, unsigned long *map)
{
#ifdef CONFIG_SLUB_DEBUG
void *addr = page_address(page);
void *p;
- unsigned long *map;
+
+ if (!map)
+ return;
slab_err(s, page, text, s->name);
slab_lock(page);
@@ -3734,8 +3786,6 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page,
print_tracking(s, p);
}
}
- put_map(map);
-
slab_unlock(page);
#endif
}
@@ -3749,6 +3799,11 @@ static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n)
{
LIST_HEAD(discard);
struct page *page, *h;
+ unsigned long *map = NULL;
+
+#ifdef CONFIG_SLUB_DEBUG
+ map = bitmap_alloc(oo_objects(s->max), GFP_KERNEL);
+#endif
BUG_ON(irqs_disabled());
spin_lock_irq(&n->list_lock);
@@ -3758,11 +3813,16 @@ static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n)
list_add(&page->slab_list, &discard);
} else {
list_slab_objects(s, page,
- "Objects remaining in %s on __kmem_cache_shutdown()");
+ "Objects remaining in %s on __kmem_cache_shutdown()",
+ map);
}
}
spin_unlock_irq(&n->list_lock);
+#ifdef CONFIG_SLUB_DEBUG
+ bitmap_free(map);
+#endif
+
list_for_each_entry_safe(page, h, &discard, slab_list)
discard_slab(s, page);
}
@@ -4385,6 +4445,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
return ret;
}
+EXPORT_SYMBOL(__kmalloc_track_caller);
#ifdef CONFIG_NUMA
void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
@@ -4415,6 +4476,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
return ret;
}
+EXPORT_SYMBOL(__kmalloc_node_track_caller);
#endif
#ifdef CONFIG_SYSFS
@@ -5631,7 +5693,8 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s)
*/
if (buffer)
buf = buffer;
- else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf))
+ else if (root_cache->max_attr_size < ARRAY_SIZE(mbuf) &&
+ !IS_ENABLED(CONFIG_SLUB_STATS))
buf = mbuf;
else {
buffer = (char *) get_zeroed_page(GFP_KERNEL);
@@ -5665,19 +5728,6 @@ static struct kobj_type slab_ktype = {
.release = kmem_cache_release,
};
-static int uevent_filter(struct kset *kset, struct kobject *kobj)
-{
- struct kobj_type *ktype = get_ktype(kobj);
-
- if (ktype == &slab_ktype)
- return 1;
- return 0;
-}
-
-static const struct kset_uevent_ops slab_uevent_ops = {
- .filter = uevent_filter,
-};
-
static struct kset *slab_kset;
static inline struct kset *cache_kset(struct kmem_cache *s)
@@ -5745,7 +5795,6 @@ static void sysfs_slab_remove_workfn(struct work_struct *work)
#ifdef CONFIG_MEMCG
kset_unregister(s->memcg_kset);
#endif
- kobject_uevent(&s->kobj, KOBJ_REMOVE);
out:
kobject_put(&s->kobj);
}
@@ -5786,8 +5835,10 @@ static int sysfs_slab_add(struct kmem_cache *s)
s->kobj.kset = kset;
err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s", name);
- if (err)
+ if (err) {
+ kobject_put(&s->kobj);
goto out;
+ }
err = sysfs_create_group(&s->kobj, &slab_attr_group);
if (err)
@@ -5803,7 +5854,6 @@ static int sysfs_slab_add(struct kmem_cache *s)
}
#endif
- kobject_uevent(&s->kobj, KOBJ_ADD);
if (!unmergeable) {
/* Setup first alias */
sysfs_slab_alias(s, s->name);
@@ -5884,7 +5934,7 @@ static int __init slab_sysfs_init(void)
mutex_lock(&slab_mutex);
- slab_kset = kset_create_and_add("slab", &slab_uevent_ops, kernel_kobj);
+ slab_kset = kset_create_and_add("slab", NULL, kernel_kobj);
if (!slab_kset) {
mutex_unlock(&slab_mutex);
pr_err("Cannot register slab subsystem.\n");
diff --git a/mm/swap.c b/mm/swap.c
index bf9a79fed62d..dbcab84c6fce 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -35,6 +35,7 @@
#include <linux/uio.h>
#include <linux/hugetlb.h>
#include <linux/page_idle.h>
+#include <linux/local_lock.h>
#include "internal.h"
@@ -44,14 +45,32 @@
/* How many pages do we try to swap or page in/out together? */
int page_cluster;
-static DEFINE_PER_CPU(struct pagevec, lru_add_pvec);
-static DEFINE_PER_CPU(struct pagevec, lru_rotate_pvecs);
-static DEFINE_PER_CPU(struct pagevec, lru_deactivate_file_pvecs);
-static DEFINE_PER_CPU(struct pagevec, lru_deactivate_pvecs);
-static DEFINE_PER_CPU(struct pagevec, lru_lazyfree_pvecs);
+/* Protecting only lru_rotate.pvec which requires disabling interrupts */
+struct lru_rotate {
+ local_lock_t lock;
+ struct pagevec pvec;
+};
+static DEFINE_PER_CPU(struct lru_rotate, lru_rotate) = {
+ .lock = INIT_LOCAL_LOCK(lock),
+};
+
+/*
+ * The following struct pagevec are grouped together because they are protected
+ * by disabling preemption (and interrupts remain enabled).
+ */
+struct lru_pvecs {
+ local_lock_t lock;
+ struct pagevec lru_add;
+ struct pagevec lru_deactivate_file;
+ struct pagevec lru_deactivate;
+ struct pagevec lru_lazyfree;
#ifdef CONFIG_SMP
-static DEFINE_PER_CPU(struct pagevec, activate_page_pvecs);
+ struct pagevec activate_page;
#endif
+};
+static DEFINE_PER_CPU(struct lru_pvecs, lru_pvecs) = {
+ .lock = INIT_LOCAL_LOCK(lock),
+};
/*
* This path almost never happens for VM activity - pages are normally
@@ -83,8 +102,6 @@ static void __put_single_page(struct page *page)
static void __put_compound_page(struct page *page)
{
- compound_page_dtor *dtor;
-
/*
* __page_cache_release() is supposed to be called for thp, not for
* hugetlb. This is because hugetlb page does never have PageLRU set
@@ -93,8 +110,7 @@ static void __put_compound_page(struct page *page)
*/
if (!PageHuge(page))
__page_cache_release(page);
- dtor = get_compound_page_dtor(page);
- (*dtor)(page);
+ destroy_compound_page(page);
}
void __put_page(struct page *page)
@@ -225,7 +241,7 @@ static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec,
del_page_from_lru_list(page, lruvec, page_lru(page));
ClearPageActive(page);
add_page_to_lru_list_tail(page, lruvec, page_lru(page));
- (*pgmoved)++;
+ (*pgmoved) += hpage_nr_pages(page);
}
}
@@ -254,30 +270,57 @@ void rotate_reclaimable_page(struct page *page)
unsigned long flags;
get_page(page);
- local_irq_save(flags);
- pvec = this_cpu_ptr(&lru_rotate_pvecs);
+ local_lock_irqsave(&lru_rotate.lock, flags);
+ pvec = this_cpu_ptr(&lru_rotate.pvec);
if (!pagevec_add(pvec, page) || PageCompound(page))
pagevec_move_tail(pvec);
- local_irq_restore(flags);
+ local_unlock_irqrestore(&lru_rotate.lock, flags);
}
}
-static void update_page_reclaim_stat(struct lruvec *lruvec,
- int file, int rotated)
+void lru_note_cost(struct lruvec *lruvec, bool file, unsigned int nr_pages)
{
- struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
+ do {
+ unsigned long lrusize;
+
+ /* Record cost event */
+ if (file)
+ lruvec->file_cost += nr_pages;
+ else
+ lruvec->anon_cost += nr_pages;
+
+ /*
+ * Decay previous events
+ *
+ * Because workloads change over time (and to avoid
+ * overflow) we keep these statistics as a floating
+ * average, which ends up weighing recent refaults
+ * more than old ones.
+ */
+ lrusize = lruvec_page_state(lruvec, NR_INACTIVE_ANON) +
+ lruvec_page_state(lruvec, NR_ACTIVE_ANON) +
+ lruvec_page_state(lruvec, NR_INACTIVE_FILE) +
+ lruvec_page_state(lruvec, NR_ACTIVE_FILE);
+
+ if (lruvec->file_cost + lruvec->anon_cost > lrusize / 4) {
+ lruvec->file_cost /= 2;
+ lruvec->anon_cost /= 2;
+ }
+ } while ((lruvec = parent_lruvec(lruvec)));
+}
- reclaim_stat->recent_scanned[file]++;
- if (rotated)
- reclaim_stat->recent_rotated[file]++;
+void lru_note_cost_page(struct page *page)
+{
+ lru_note_cost(mem_cgroup_page_lruvec(page, page_pgdat(page)),
+ page_is_file_lru(page), hpage_nr_pages(page));
}
static void __activate_page(struct page *page, struct lruvec *lruvec,
void *arg)
{
if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
- int file = page_is_file_lru(page);
int lru = page_lru_base_type(page);
+ int nr_pages = hpage_nr_pages(page);
del_page_from_lru_list(page, lruvec, lru);
SetPageActive(page);
@@ -285,15 +328,16 @@ static void __activate_page(struct page *page, struct lruvec *lruvec,
add_page_to_lru_list(page, lruvec, lru);
trace_mm_lru_activate(page);
- __count_vm_event(PGACTIVATE);
- update_page_reclaim_stat(lruvec, file, 1);
+ __count_vm_events(PGACTIVATE, nr_pages);
+ __count_memcg_events(lruvec_memcg(lruvec), PGACTIVATE,
+ nr_pages);
}
}
#ifdef CONFIG_SMP
static void activate_page_drain(int cpu)
{
- struct pagevec *pvec = &per_cpu(activate_page_pvecs, cpu);
+ struct pagevec *pvec = &per_cpu(lru_pvecs.activate_page, cpu);
if (pagevec_count(pvec))
pagevec_lru_move_fn(pvec, __activate_page, NULL);
@@ -301,19 +345,21 @@ static void activate_page_drain(int cpu)
static bool need_activate_page_drain(int cpu)
{
- return pagevec_count(&per_cpu(activate_page_pvecs, cpu)) != 0;
+ return pagevec_count(&per_cpu(lru_pvecs.activate_page, cpu)) != 0;
}
void activate_page(struct page *page)
{
page = compound_head(page);
if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
- struct pagevec *pvec = &get_cpu_var(activate_page_pvecs);
+ struct pagevec *pvec;
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.activate_page);
get_page(page);
if (!pagevec_add(pvec, page) || PageCompound(page))
pagevec_lru_move_fn(pvec, __activate_page, NULL);
- put_cpu_var(activate_page_pvecs);
+ local_unlock(&lru_pvecs.lock);
}
}
@@ -335,9 +381,12 @@ void activate_page(struct page *page)
static void __lru_cache_activate_page(struct page *page)
{
- struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
+ struct pagevec *pvec;
int i;
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_add);
+
/*
* Search backwards on the optimistic assumption that the page being
* activated has just been added to this pagevec. Note that only
@@ -357,7 +406,7 @@ static void __lru_cache_activate_page(struct page *page)
}
}
- put_cpu_var(lru_add_pvec);
+ local_unlock(&lru_pvecs.lock);
}
/*
@@ -385,7 +434,7 @@ void mark_page_accessed(struct page *page)
} else if (!PageActive(page)) {
/*
* If the page is on the LRU, queue it for activation via
- * activate_page_pvecs. Otherwise, assume the page is on a
+ * lru_pvecs.activate_page. Otherwise, assume the page is on a
* pagevec, mark it active and it'll be moved to the active
* LRU on the next drain.
*/
@@ -402,35 +451,6 @@ void mark_page_accessed(struct page *page)
}
EXPORT_SYMBOL(mark_page_accessed);
-static void __lru_cache_add(struct page *page)
-{
- struct pagevec *pvec = &get_cpu_var(lru_add_pvec);
-
- get_page(page);
- if (!pagevec_add(pvec, page) || PageCompound(page))
- __pagevec_lru_add(pvec);
- put_cpu_var(lru_add_pvec);
-}
-
-/**
- * lru_cache_add_anon - add a page to the page lists
- * @page: the page to add
- */
-void lru_cache_add_anon(struct page *page)
-{
- if (PageActive(page))
- ClearPageActive(page);
- __lru_cache_add(page);
-}
-
-void lru_cache_add_file(struct page *page)
-{
- if (PageActive(page))
- ClearPageActive(page);
- __lru_cache_add(page);
-}
-EXPORT_SYMBOL(lru_cache_add_file);
-
/**
* lru_cache_add - add a page to a page list
* @page: the page to be added to the LRU.
@@ -442,10 +462,19 @@ EXPORT_SYMBOL(lru_cache_add_file);
*/
void lru_cache_add(struct page *page)
{
+ struct pagevec *pvec;
+
VM_BUG_ON_PAGE(PageActive(page) && PageUnevictable(page), page);
VM_BUG_ON_PAGE(PageLRU(page), page);
- __lru_cache_add(page);
+
+ get_page(page);
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_add);
+ if (!pagevec_add(pvec, page) || PageCompound(page))
+ __pagevec_lru_add(pvec);
+ local_unlock(&lru_pvecs.lock);
}
+EXPORT_SYMBOL(lru_cache_add);
/**
* lru_cache_add_active_or_unevictable
@@ -501,8 +530,9 @@ void lru_cache_add_active_or_unevictable(struct page *page,
static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec,
void *arg)
{
- int lru, file;
+ int lru;
bool active;
+ int nr_pages = hpage_nr_pages(page);
if (!PageLRU(page))
return;
@@ -515,7 +545,6 @@ static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec,
return;
active = PageActive(page);
- file = page_is_file_lru(page);
lru = page_lru_base_type(page);
del_page_from_lru_list(page, lruvec, lru + active);
@@ -536,28 +565,31 @@ static void lru_deactivate_file_fn(struct page *page, struct lruvec *lruvec,
* We moves tha page into tail of inactive.
*/
add_page_to_lru_list_tail(page, lruvec, lru);
- __count_vm_event(PGROTATED);
+ __count_vm_events(PGROTATED, nr_pages);
}
- if (active)
- __count_vm_event(PGDEACTIVATE);
- update_page_reclaim_stat(lruvec, file, 0);
+ if (active) {
+ __count_vm_events(PGDEACTIVATE, nr_pages);
+ __count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE,
+ nr_pages);
+ }
}
static void lru_deactivate_fn(struct page *page, struct lruvec *lruvec,
void *arg)
{
if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
- int file = page_is_file_lru(page);
int lru = page_lru_base_type(page);
+ int nr_pages = hpage_nr_pages(page);
del_page_from_lru_list(page, lruvec, lru + LRU_ACTIVE);
ClearPageActive(page);
ClearPageReferenced(page);
add_page_to_lru_list(page, lruvec, lru);
- __count_vm_events(PGDEACTIVATE, hpage_nr_pages(page));
- update_page_reclaim_stat(lruvec, file, 0);
+ __count_vm_events(PGDEACTIVATE, nr_pages);
+ __count_memcg_events(lruvec_memcg(lruvec), PGDEACTIVATE,
+ nr_pages);
}
}
@@ -567,6 +599,7 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec,
if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) &&
!PageSwapCache(page) && !PageUnevictable(page)) {
bool active = PageActive(page);
+ int nr_pages = hpage_nr_pages(page);
del_page_from_lru_list(page, lruvec,
LRU_INACTIVE_ANON + active);
@@ -580,9 +613,9 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec,
ClearPageSwapBacked(page);
add_page_to_lru_list(page, lruvec, LRU_INACTIVE_FILE);
- __count_vm_events(PGLAZYFREE, hpage_nr_pages(page));
- count_memcg_page_event(page, PGLAZYFREE);
- update_page_reclaim_stat(lruvec, 1, 0);
+ __count_vm_events(PGLAZYFREE, nr_pages);
+ __count_memcg_events(lruvec_memcg(lruvec), PGLAZYFREE,
+ nr_pages);
}
}
@@ -593,30 +626,30 @@ static void lru_lazyfree_fn(struct page *page, struct lruvec *lruvec,
*/
void lru_add_drain_cpu(int cpu)
{
- struct pagevec *pvec = &per_cpu(lru_add_pvec, cpu);
+ struct pagevec *pvec = &per_cpu(lru_pvecs.lru_add, cpu);
if (pagevec_count(pvec))
__pagevec_lru_add(pvec);
- pvec = &per_cpu(lru_rotate_pvecs, cpu);
+ pvec = &per_cpu(lru_rotate.pvec, cpu);
if (pagevec_count(pvec)) {
unsigned long flags;
/* No harm done if a racing interrupt already did this */
- local_irq_save(flags);
+ local_lock_irqsave(&lru_rotate.lock, flags);
pagevec_move_tail(pvec);
- local_irq_restore(flags);
+ local_unlock_irqrestore(&lru_rotate.lock, flags);
}
- pvec = &per_cpu(lru_deactivate_file_pvecs, cpu);
+ pvec = &per_cpu(lru_pvecs.lru_deactivate_file, cpu);
if (pagevec_count(pvec))
pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL);
- pvec = &per_cpu(lru_deactivate_pvecs, cpu);
+ pvec = &per_cpu(lru_pvecs.lru_deactivate, cpu);
if (pagevec_count(pvec))
pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL);
- pvec = &per_cpu(lru_lazyfree_pvecs, cpu);
+ pvec = &per_cpu(lru_pvecs.lru_lazyfree, cpu);
if (pagevec_count(pvec))
pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
@@ -641,11 +674,14 @@ void deactivate_file_page(struct page *page)
return;
if (likely(get_page_unless_zero(page))) {
- struct pagevec *pvec = &get_cpu_var(lru_deactivate_file_pvecs);
+ struct pagevec *pvec;
+
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate_file);
if (!pagevec_add(pvec, page) || PageCompound(page))
pagevec_lru_move_fn(pvec, lru_deactivate_file_fn, NULL);
- put_cpu_var(lru_deactivate_file_pvecs);
+ local_unlock(&lru_pvecs.lock);
}
}
@@ -660,12 +696,14 @@ void deactivate_file_page(struct page *page)
void deactivate_page(struct page *page)
{
if (PageLRU(page) && PageActive(page) && !PageUnevictable(page)) {
- struct pagevec *pvec = &get_cpu_var(lru_deactivate_pvecs);
+ struct pagevec *pvec;
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_deactivate);
get_page(page);
if (!pagevec_add(pvec, page) || PageCompound(page))
pagevec_lru_move_fn(pvec, lru_deactivate_fn, NULL);
- put_cpu_var(lru_deactivate_pvecs);
+ local_unlock(&lru_pvecs.lock);
}
}
@@ -680,19 +718,30 @@ void mark_page_lazyfree(struct page *page)
{
if (PageLRU(page) && PageAnon(page) && PageSwapBacked(page) &&
!PageSwapCache(page) && !PageUnevictable(page)) {
- struct pagevec *pvec = &get_cpu_var(lru_lazyfree_pvecs);
+ struct pagevec *pvec;
+ local_lock(&lru_pvecs.lock);
+ pvec = this_cpu_ptr(&lru_pvecs.lru_lazyfree);
get_page(page);
if (!pagevec_add(pvec, page) || PageCompound(page))
pagevec_lru_move_fn(pvec, lru_lazyfree_fn, NULL);
- put_cpu_var(lru_lazyfree_pvecs);
+ local_unlock(&lru_pvecs.lock);
}
}
void lru_add_drain(void)
{
- lru_add_drain_cpu(get_cpu());
- put_cpu();
+ local_lock(&lru_pvecs.lock);
+ lru_add_drain_cpu(smp_processor_id());
+ local_unlock(&lru_pvecs.lock);
+}
+
+void lru_add_drain_cpu_zone(struct zone *zone)
+{
+ local_lock(&lru_pvecs.lock);
+ lru_add_drain_cpu(smp_processor_id());
+ drain_local_pages(zone);
+ local_unlock(&lru_pvecs.lock);
}
#ifdef CONFIG_SMP
@@ -743,11 +792,11 @@ void lru_add_drain_all(void)
for_each_online_cpu(cpu) {
struct work_struct *work = &per_cpu(lru_add_drain_work, cpu);
- if (pagevec_count(&per_cpu(lru_add_pvec, cpu)) ||
- pagevec_count(&per_cpu(lru_rotate_pvecs, cpu)) ||
- pagevec_count(&per_cpu(lru_deactivate_file_pvecs, cpu)) ||
- pagevec_count(&per_cpu(lru_deactivate_pvecs, cpu)) ||
- pagevec_count(&per_cpu(lru_lazyfree_pvecs, cpu)) ||
+ if (pagevec_count(&per_cpu(lru_pvecs.lru_add, cpu)) ||
+ pagevec_count(&per_cpu(lru_rotate.pvec, cpu)) ||
+ pagevec_count(&per_cpu(lru_pvecs.lru_deactivate_file, cpu)) ||
+ pagevec_count(&per_cpu(lru_pvecs.lru_deactivate, cpu)) ||
+ pagevec_count(&per_cpu(lru_pvecs.lru_lazyfree, cpu)) ||
need_activate_page_drain(cpu)) {
INIT_WORK(work, lru_add_drain_per_cpu);
queue_work_on(cpu, mm_percpu_wq, work);
@@ -890,8 +939,6 @@ EXPORT_SYMBOL(__pagevec_release);
void lru_add_page_tail(struct page *page, struct page *page_tail,
struct lruvec *lruvec, struct list_head *list)
{
- const int file = 0;
-
VM_BUG_ON_PAGE(!PageHead(page), page);
VM_BUG_ON_PAGE(PageCompound(page_tail), page);
VM_BUG_ON_PAGE(PageLRU(page_tail), page);
@@ -917,9 +964,6 @@ void lru_add_page_tail(struct page *page, struct page *page_tail,
add_page_to_lru_list_tail(page_tail, lruvec,
page_lru(page_tail));
}
-
- if (!PageUnevictable(page))
- update_page_reclaim_stat(lruvec, file, PageActive(page_tail));
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
@@ -928,6 +972,7 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec,
{
enum lru_list lru;
int was_unevictable = TestClearPageUnevictable(page);
+ int nr_pages = hpage_nr_pages(page);
VM_BUG_ON_PAGE(PageLRU(page), page);
@@ -962,16 +1007,14 @@ static void __pagevec_lru_add_fn(struct page *page, struct lruvec *lruvec,
if (page_evictable(page)) {
lru = page_lru(page);
- update_page_reclaim_stat(lruvec, page_is_file_lru(page),
- PageActive(page));
if (was_unevictable)
- count_vm_event(UNEVICTABLE_PGRESCUED);
+ __count_vm_events(UNEVICTABLE_PGRESCUED, nr_pages);
} else {
lru = LRU_UNEVICTABLE;
ClearPageActive(page);
SetPageUnevictable(page);
if (!was_unevictable)
- count_vm_event(UNEVICTABLE_PGCULLED);
+ __count_vm_events(UNEVICTABLE_PGCULLED, nr_pages);
}
add_page_to_lru_list(page, lruvec, lru);
diff --git a/mm/swap_cgroup.c b/mm/swap_cgroup.c
index 45affaef3bc6..7f34343c075a 100644
--- a/mm/swap_cgroup.c
+++ b/mm/swap_cgroup.c
@@ -171,9 +171,6 @@ int swap_cgroup_swapon(int type, unsigned long max_pages)
unsigned long length;
struct swap_cgroup_ctrl *ctrl;
- if (!do_swap_account)
- return 0;
-
length = DIV_ROUND_UP(max_pages, SC_PER_PAGE);
array_size = length * sizeof(void *);
@@ -209,9 +206,6 @@ void swap_cgroup_swapoff(int type)
unsigned long i, length;
struct swap_cgroup_ctrl *ctrl;
- if (!do_swap_account)
- return;
-
mutex_lock(&swap_cgroup_mutex);
ctrl = &swap_cgroup_ctrl[type];
map = ctrl->map;
diff --git a/mm/swap_state.c b/mm/swap_state.c
index ebed37bbf7a3..9d20b00627af 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -360,12 +360,13 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
struct vm_area_struct *vma, unsigned long addr,
bool *new_page_allocated)
{
- struct page *found_page = NULL, *new_page = NULL;
struct swap_info_struct *si;
- int err;
+ struct page *page;
+
*new_page_allocated = false;
- do {
+ for (;;) {
+ int err;
/*
* First check the swap cache. Since this is normally
* called after lookup_swap_cache() failed, re-calling
@@ -373,12 +374,12 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
*/
si = get_swap_device(entry);
if (!si)
- break;
- found_page = find_get_page(swap_address_space(entry),
- swp_offset(entry));
+ return NULL;
+ page = find_get_page(swap_address_space(entry),
+ swp_offset(entry));
put_swap_device(si);
- if (found_page)
- break;
+ if (page)
+ return page;
/*
* Just skip read ahead for unused swap slot.
@@ -389,54 +390,71 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
* else swap_off will be aborted if we return NULL.
*/
if (!__swp_swapcount(entry) && swap_slot_cache_enabled)
- break;
+ return NULL;
/*
- * Get a new page to read into from swap.
+ * Get a new page to read into from swap. Allocate it now,
+ * before marking swap_map SWAP_HAS_CACHE, when -EEXIST will
+ * cause any racers to loop around until we add it to cache.
*/
- if (!new_page) {
- new_page = alloc_page_vma(gfp_mask, vma, addr);
- if (!new_page)
- break; /* Out of memory */
- }
+ page = alloc_page_vma(gfp_mask, vma, addr);
+ if (!page)
+ return NULL;
/*
* Swap entry may have been freed since our caller observed it.
*/
err = swapcache_prepare(entry);
- if (err == -EEXIST) {
- /*
- * We might race against get_swap_page() and stumble
- * across a SWAP_HAS_CACHE swap_map entry whose page
- * has not been brought into the swapcache yet.
- */
- cond_resched();
- continue;
- } else if (err) /* swp entry is obsolete ? */
+ if (!err)
break;
- /* May fail (-ENOMEM) if XArray node allocation failed. */
- __SetPageLocked(new_page);
- __SetPageSwapBacked(new_page);
- err = add_to_swap_cache(new_page, entry, gfp_mask & GFP_KERNEL);
- if (likely(!err)) {
- /* Initiate read into locked page */
- SetPageWorkingset(new_page);
- lru_cache_add_anon(new_page);
- *new_page_allocated = true;
- return new_page;
- }
- __ClearPageLocked(new_page);
+ put_page(page);
+ if (err != -EEXIST)
+ return NULL;
+
/*
- * add_to_swap_cache() doesn't return -EEXIST, so we can safely
- * clear SWAP_HAS_CACHE flag.
+ * We might race against __delete_from_swap_cache(), and
+ * stumble across a swap_map entry whose SWAP_HAS_CACHE
+ * has not yet been cleared. Or race against another
+ * __read_swap_cache_async(), which has set SWAP_HAS_CACHE
+ * in swap_map, but not yet added its page to swap cache.
*/
- put_swap_page(new_page, entry);
- } while (err != -ENOMEM);
+ cond_resched();
+ }
+
+ /*
+ * The swap entry is ours to swap in. Prepare the new page.
+ */
+
+ __SetPageLocked(page);
+ __SetPageSwapBacked(page);
+
+ /* May fail (-ENOMEM) if XArray node allocation failed. */
+ if (add_to_swap_cache(page, entry, gfp_mask & GFP_KERNEL)) {
+ put_swap_page(page, entry);
+ goto fail_unlock;
+ }
+
+ if (mem_cgroup_charge(page, NULL, gfp_mask)) {
+ delete_from_swap_cache(page);
+ goto fail_unlock;
+ }
+
+ /* XXX: Move to lru_cache_add() when it supports new vs putback */
+ spin_lock_irq(&page_pgdat(page)->lru_lock);
+ lru_note_cost_page(page);
+ spin_unlock_irq(&page_pgdat(page)->lru_lock);
+
+ /* Caller will initiate read into locked page */
+ SetPageWorkingset(page);
+ lru_cache_add(page);
+ *new_page_allocated = true;
+ return page;
- if (new_page)
- put_page(new_page);
- return found_page;
+fail_unlock:
+ unlock_page(page);
+ put_page(page);
+ return NULL;
}
/*
@@ -509,10 +527,11 @@ static unsigned long swapin_nr_pages(unsigned long offset)
return 1;
hits = atomic_xchg(&swapin_readahead_hits, 0);
- pages = __swapin_nr_pages(prev_offset, offset, hits, max_pages,
+ pages = __swapin_nr_pages(READ_ONCE(prev_offset), offset, hits,
+ max_pages,
atomic_read(&last_readahead_pages));
if (!hits)
- prev_offset = offset;
+ WRITE_ONCE(prev_offset, offset);
atomic_set(&last_readahead_pages, pages);
return pages;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 5871a2aa86a5..a3d191e205f2 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -601,7 +601,6 @@ static bool scan_swap_map_try_ssd_cluster(struct swap_info_struct *si,
{
struct percpu_cluster *cluster;
struct swap_cluster_info *ci;
- bool found_free;
unsigned long tmp, max;
new_cluster:
@@ -614,17 +613,17 @@ new_cluster:
} else if (!cluster_list_empty(&si->discard_clusters)) {
/*
* we don't have free cluster but have some clusters in
- * discarding, do discard now and reclaim them
+ * discarding, do discard now and reclaim them, then
+ * reread cluster_next_cpu since we dropped si->lock
*/
swap_do_scheduled_discard(si);
- *scan_base = *offset = si->cluster_next;
+ *scan_base = this_cpu_read(*si->cluster_next_cpu);
+ *offset = *scan_base;
goto new_cluster;
} else
return false;
}
- found_free = false;
-
/*
* Other CPUs can use our cluster if they can't find a free cluster,
* check if there is still free entry in the cluster
@@ -632,27 +631,23 @@ new_cluster:
tmp = cluster->next;
max = min_t(unsigned long, si->max,
(cluster_next(&cluster->index) + 1) * SWAPFILE_CLUSTER);
- if (tmp >= max) {
- cluster_set_null(&cluster->index);
- goto new_cluster;
- }
- ci = lock_cluster(si, tmp);
- while (tmp < max) {
- if (!si->swap_map[tmp]) {
- found_free = true;
- break;
+ if (tmp < max) {
+ ci = lock_cluster(si, tmp);
+ while (tmp < max) {
+ if (!si->swap_map[tmp])
+ break;
+ tmp++;
}
- tmp++;
+ unlock_cluster(ci);
}
- unlock_cluster(ci);
- if (!found_free) {
+ if (tmp >= max) {
cluster_set_null(&cluster->index);
goto new_cluster;
}
cluster->next = tmp + 1;
*offset = tmp;
*scan_base = tmp;
- return found_free;
+ return true;
}
static void __del_from_avail_list(struct swap_info_struct *p)
@@ -729,6 +724,34 @@ static void swap_range_free(struct swap_info_struct *si, unsigned long offset,
}
}
+static void set_cluster_next(struct swap_info_struct *si, unsigned long next)
+{
+ unsigned long prev;
+
+ if (!(si->flags & SWP_SOLIDSTATE)) {
+ si->cluster_next = next;
+ return;
+ }
+
+ prev = this_cpu_read(*si->cluster_next_cpu);
+ /*
+ * Cross the swap address space size aligned trunk, choose
+ * another trunk randomly to avoid lock contention on swap
+ * address space if possible.
+ */
+ if ((prev >> SWAP_ADDRESS_SPACE_SHIFT) !=
+ (next >> SWAP_ADDRESS_SPACE_SHIFT)) {
+ /* No free swap slots available */
+ if (si->highest_bit <= si->lowest_bit)
+ return;
+ next = si->lowest_bit +
+ prandom_u32_max(si->highest_bit - si->lowest_bit + 1);
+ next = ALIGN_DOWN(next, SWAP_ADDRESS_SPACE_PAGES);
+ next = max_t(unsigned int, next, si->lowest_bit);
+ }
+ this_cpu_write(*si->cluster_next_cpu, next);
+}
+
static int scan_swap_map_slots(struct swap_info_struct *si,
unsigned char usage, int nr,
swp_entry_t slots[])
@@ -739,9 +762,7 @@ static int scan_swap_map_slots(struct swap_info_struct *si,
unsigned long last_in_cluster = 0;
int latency_ration = LATENCY_LIMIT;
int n_ret = 0;
-
- if (nr > SWAP_BATCH)
- nr = SWAP_BATCH;
+ bool scanned_many = false;
/*
* We try to cluster swap pages by allocating them sequentially
@@ -755,17 +776,22 @@ static int scan_swap_map_slots(struct swap_info_struct *si,
*/
si->flags += SWP_SCANNING;
- scan_base = offset = si->cluster_next;
+ /*
+ * Use percpu scan base for SSD to reduce lock contention on
+ * cluster and swap cache. For HDD, sequential access is more
+ * important.
+ */
+ if (si->flags & SWP_SOLIDSTATE)
+ scan_base = this_cpu_read(*si->cluster_next_cpu);
+ else
+ scan_base = si->cluster_next;
+ offset = scan_base;
/* SSD algorithm */
if (si->cluster_info) {
- if (scan_swap_map_try_ssd_cluster(si, &offset, &scan_base))
- goto checks;
- else
+ if (!scan_swap_map_try_ssd_cluster(si, &offset, &scan_base))
goto scan;
- }
-
- if (unlikely(!si->cluster_nr--)) {
+ } else if (unlikely(!si->cluster_nr--)) {
if (si->pages - si->inuse_pages < SWAPFILE_CLUSTER) {
si->cluster_nr = SWAPFILE_CLUSTER - 1;
goto checks;
@@ -848,7 +874,6 @@ checks:
unlock_cluster(ci);
swap_range_alloc(si, offset, 1);
- si->cluster_next = offset + 1;
slots[n_ret++] = swp_entry(si->type, offset);
/* got enough slots or reach max slots? */
@@ -871,19 +896,33 @@ checks:
if (si->cluster_info) {
if (scan_swap_map_try_ssd_cluster(si, &offset, &scan_base))
goto checks;
- else
- goto done;
- }
- /* non-ssd case */
- ++offset;
-
- /* non-ssd case, still more slots in cluster? */
- if (si->cluster_nr && !si->swap_map[offset]) {
+ } else if (si->cluster_nr && !si->swap_map[++offset]) {
+ /* non-ssd case, still more slots in cluster? */
--si->cluster_nr;
goto checks;
}
+ /*
+ * Even if there's no free clusters available (fragmented),
+ * try to scan a little more quickly with lock held unless we
+ * have scanned too many slots already.
+ */
+ if (!scanned_many) {
+ unsigned long scan_limit;
+
+ if (offset < scan_base)
+ scan_limit = scan_base;
+ else
+ scan_limit = si->highest_bit;
+ for (; offset <= scan_limit && --latency_ration > 0;
+ offset++) {
+ if (!si->swap_map[offset])
+ goto checks;
+ }
+ }
+
done:
+ set_cluster_next(si, offset + 1);
si->flags -= SWP_SCANNING;
return n_ret;
@@ -901,6 +940,7 @@ scan:
if (unlikely(--latency_ration < 0)) {
cond_resched();
latency_ration = LATENCY_LIMIT;
+ scanned_many = true;
}
}
offset = si->lowest_bit;
@@ -916,6 +956,7 @@ scan:
if (unlikely(--latency_ration < 0)) {
cond_resched();
latency_ration = LATENCY_LIMIT;
+ scanned_many = true;
}
offset++;
}
@@ -1004,11 +1045,7 @@ int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
if (avail_pgs <= 0)
goto noswap;
- if (n_goal > SWAP_BATCH)
- n_goal = SWAP_BATCH;
-
- if (n_goal > avail_pgs)
- n_goal = avail_pgs;
+ n_goal = min3((long)n_goal, (long)SWAP_BATCH, avail_pgs);
atomic_long_sub(n_goal * size, &nr_swap_pages);
@@ -1275,13 +1312,14 @@ unlock_out:
}
static unsigned char __swap_entry_free(struct swap_info_struct *p,
- swp_entry_t entry, unsigned char usage)
+ swp_entry_t entry)
{
struct swap_cluster_info *ci;
unsigned long offset = swp_offset(entry);
+ unsigned char usage;
ci = lock_cluster_or_swap_info(p, offset);
- usage = __swap_entry_free_locked(p, offset, usage);
+ usage = __swap_entry_free_locked(p, offset, 1);
unlock_cluster_or_swap_info(p, ci);
if (!usage)
free_swap_slot(entry);
@@ -1316,7 +1354,7 @@ void swap_free(swp_entry_t entry)
p = _swap_info_get(entry);
if (p)
- __swap_entry_free(p, entry, 1);
+ __swap_entry_free(p, entry);
}
/*
@@ -1739,7 +1777,7 @@ int free_swap_and_cache(swp_entry_t entry)
p = _swap_info_get(entry);
if (p) {
- count = __swap_entry_free(p, entry, 1);
+ count = __swap_entry_free(p, entry);
if (count == SWAP_HAS_CACHE &&
!swap_page_trans_huge_swapped(p, entry))
__try_to_reclaim_swap(p, swp_offset(entry),
@@ -1854,7 +1892,6 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
unsigned long addr, swp_entry_t entry, struct page *page)
{
struct page *swapcache;
- struct mem_cgroup *memcg;
spinlock_t *ptl;
pte_t *pte;
int ret = 1;
@@ -1864,15 +1901,8 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
if (unlikely(!page))
return -ENOMEM;
- if (mem_cgroup_try_charge(page, vma->vm_mm, GFP_KERNEL,
- &memcg, false)) {
- ret = -ENOMEM;
- goto out_nolock;
- }
-
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
if (unlikely(!pte_same_as_swp(*pte, swp_entry_to_pte(entry)))) {
- mem_cgroup_cancel_charge(page, memcg, false);
ret = 0;
goto out;
}
@@ -1884,10 +1914,8 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
pte_mkold(mk_pte(page, vma->vm_page_prot)));
if (page == swapcache) {
page_add_anon_rmap(page, vma, addr, false);
- mem_cgroup_commit_charge(page, memcg, true, false);
} else { /* ksm created a completely new copy */
page_add_new_anon_rmap(page, vma, addr, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
lru_cache_add_active_or_unevictable(page, vma);
}
swap_free(entry);
@@ -1898,7 +1926,6 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
activate_page(page);
out:
pte_unmap_unlock(pte, ptl);
-out_nolock:
if (page != swapcache) {
unlock_page(page);
put_page(page);
@@ -1937,10 +1964,14 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
pte_unmap(pte);
swap_map = &si->swap_map[offset];
- vmf.vma = vma;
- vmf.address = addr;
- vmf.pmd = pmd;
- page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE, &vmf);
+ page = lookup_swap_cache(entry, vma, addr);
+ if (!page) {
+ vmf.vma = vma;
+ vmf.address = addr;
+ vmf.pmd = pmd;
+ page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
+ &vmf);
+ }
if (!page) {
if (*swap_map == 0 || *swap_map == SWAP_MAP_BAD)
goto try_next;
@@ -2650,6 +2681,8 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile)
mutex_unlock(&swapon_mutex);
free_percpu(p->percpu_cluster);
p->percpu_cluster = NULL;
+ free_percpu(p->cluster_next_cpu);
+ p->cluster_next_cpu = NULL;
vfree(swap_map);
kvfree(cluster_info);
kvfree(frontswap_map);
@@ -2757,20 +2790,24 @@ static int swap_show(struct seq_file *swap, void *v)
struct swap_info_struct *si = v;
struct file *file;
int len;
+ unsigned int bytes, inuse;
if (si == SEQ_START_TOKEN) {
- seq_puts(swap,"Filename\t\t\t\tType\t\tSize\tUsed\tPriority\n");
+ seq_puts(swap,"Filename\t\t\t\tType\t\tSize\t\tUsed\t\tPriority\n");
return 0;
}
+ bytes = si->pages << (PAGE_SHIFT - 10);
+ inuse = si->inuse_pages << (PAGE_SHIFT - 10);
+
file = si->swap_file;
len = seq_file_path(swap, file, " \t\n\\");
- seq_printf(swap, "%*s%s\t%u\t%u\t%d\n",
+ seq_printf(swap, "%*s%s\t%u\t%s%u\t%s%d\n",
len < 40 ? 40 - len : 1, " ",
S_ISBLK(file_inode(file)->i_mode) ?
"partition" : "file\t",
- si->pages << (PAGE_SHIFT - 10),
- si->inuse_pages << (PAGE_SHIFT - 10),
+ bytes, bytes < 10000000 ? "\t" : "",
+ inuse, inuse < 10000000 ? "\t" : "",
si->prio);
return 0;
}
@@ -3202,11 +3239,19 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
unsigned long ci, nr_cluster;
p->flags |= SWP_SOLIDSTATE;
+ p->cluster_next_cpu = alloc_percpu(unsigned int);
+ if (!p->cluster_next_cpu) {
+ error = -ENOMEM;
+ goto bad_swap_unlock_inode;
+ }
/*
* select a random position to start with to help wear leveling
* SSD
*/
- p->cluster_next = 1 + (prandom_u32() % p->highest_bit);
+ for_each_possible_cpu(cpu) {
+ per_cpu(*p->cluster_next_cpu, cpu) =
+ 1 + prandom_u32_max(p->highest_bit);
+ }
nr_cluster = DIV_ROUND_UP(maxpages, SWAPFILE_CLUSTER);
cluster_info = kvcalloc(nr_cluster, sizeof(*cluster_info),
@@ -3322,6 +3367,8 @@ bad_swap_unlock_inode:
bad_swap:
free_percpu(p->percpu_cluster);
p->percpu_cluster = NULL;
+ free_percpu(p->cluster_next_cpu);
+ p->cluster_next_cpu = NULL;
if (inode && S_ISBLK(inode->i_mode) && p->bdev) {
set_blocksize(p->bdev, p->old_block_size);
blkdev_put(p->bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
@@ -3654,7 +3701,7 @@ static bool swap_count_continued(struct swap_info_struct *si,
spin_lock(&si->cont_lock);
offset &= ~PAGE_MASK;
- page = list_entry(head->lru.next, struct page, lru);
+ page = list_next_entry(head, lru);
map = kmap_atomic(page) + offset;
if (count == SWAP_MAP_MAX) /* initial increment from swap_map */
@@ -3666,13 +3713,13 @@ static bool swap_count_continued(struct swap_info_struct *si,
*/
while (*map == (SWAP_CONT_MAX | COUNT_CONTINUED)) {
kunmap_atomic(map);
- page = list_entry(page->lru.next, struct page, lru);
+ page = list_next_entry(page, lru);
BUG_ON(page == head);
map = kmap_atomic(page) + offset;
}
if (*map == SWAP_CONT_MAX) {
kunmap_atomic(map);
- page = list_entry(page->lru.next, struct page, lru);
+ page = list_next_entry(page, lru);
if (page == head) {
ret = false; /* add count continuation */
goto out;
@@ -3682,12 +3729,10 @@ init_map: *map = 0; /* we didn't zero the page */
}
*map += 1;
kunmap_atomic(map);
- page = list_entry(page->lru.prev, struct page, lru);
- while (page != head) {
+ while ((page = list_prev_entry(page, lru)) != head) {
map = kmap_atomic(page) + offset;
*map = COUNT_CONTINUED;
kunmap_atomic(map);
- page = list_entry(page->lru.prev, struct page, lru);
}
ret = true; /* incremented */
@@ -3698,7 +3743,7 @@ init_map: *map = 0; /* we didn't zero the page */
BUG_ON(count != COUNT_CONTINUED);
while (*map == COUNT_CONTINUED) {
kunmap_atomic(map);
- page = list_entry(page->lru.next, struct page, lru);
+ page = list_next_entry(page, lru);
BUG_ON(page == head);
map = kmap_atomic(page) + offset;
}
@@ -3707,13 +3752,11 @@ init_map: *map = 0; /* we didn't zero the page */
if (*map == 0)
count = 0;
kunmap_atomic(map);
- page = list_entry(page->lru.prev, struct page, lru);
- while (page != head) {
+ while ((page = list_prev_entry(page, lru)) != head) {
map = kmap_atomic(page) + offset;
*map = SWAP_CONT_MAX | count;
count = COUNT_CONTINUED;
kunmap_atomic(map);
- page = list_entry(page->lru.prev, struct page, lru);
}
ret = count == COUNT_CONTINUED;
}
@@ -3745,11 +3788,12 @@ static void free_swap_count_continuations(struct swap_info_struct *si)
}
#if defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP)
-void mem_cgroup_throttle_swaprate(struct mem_cgroup *memcg, int node,
- gfp_t gfp_mask)
+void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
{
struct swap_info_struct *si, *next;
- if (!(gfp_mask & __GFP_IO) || !memcg)
+ int nid = page_to_nid(page);
+
+ if (!(gfp_mask & __GFP_IO))
return;
if (!blk_cgroup_congested())
@@ -3763,11 +3807,10 @@ void mem_cgroup_throttle_swaprate(struct mem_cgroup *memcg, int node,
return;
spin_lock(&swap_avail_lock);
- plist_for_each_entry_safe(si, next, &swap_avail_heads[node],
- avail_lists[node]) {
+ plist_for_each_entry_safe(si, next, &swap_avail_heads[nid],
+ avail_lists[nid]) {
if (si->bdev) {
- blkcg_schedule_throttle(bdev_get_queue(si->bdev),
- true);
+ blkcg_schedule_throttle(bdev_get_queue(si->bdev), true);
break;
}
}
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 512576e171ce..7f5194046b01 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -56,7 +56,6 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
struct page **pagep,
bool wp_copy)
{
- struct mem_cgroup *memcg;
pte_t _dst_pte, *dst_pte;
spinlock_t *ptl;
void *page_kaddr;
@@ -97,7 +96,7 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
__SetPageUptodate(page);
ret = -ENOMEM;
- if (mem_cgroup_try_charge(page, dst_mm, GFP_KERNEL, &memcg, false))
+ if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL))
goto out_release;
_dst_pte = pte_mkdirty(mk_pte(page, dst_vma->vm_page_prot));
@@ -124,7 +123,6 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
inc_mm_counter(dst_mm, MM_ANONPAGES);
page_add_new_anon_rmap(page, dst_vma, dst_addr, false);
- mem_cgroup_commit_charge(page, memcg, false, false);
lru_cache_add_active_or_unevictable(page, dst_vma);
set_pte_at(dst_mm, dst_addr, dst_pte, _dst_pte);
@@ -138,7 +136,6 @@ out:
return ret;
out_release_uncharge_unlock:
pte_unmap_unlock(dst_pte, ptl);
- mem_cgroup_cancel_charge(page, memcg, false);
out_release:
put_page(page);
goto out;
diff --git a/mm/util.c b/mm/util.c
index 988d11e6c17c..41b47d8cae09 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -580,7 +580,7 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
if (ret || size <= PAGE_SIZE)
return ret;
- return __vmalloc_node_flags_caller(size, node, flags,
+ return __vmalloc_node(size, 1, flags, node,
__builtin_return_address(0));
}
EXPORT_SYMBOL(kvmalloc_node);
@@ -717,9 +717,8 @@ int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT;
unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */
unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */
-int overcommit_ratio_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+int overcommit_ratio_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int ret;
@@ -729,9 +728,8 @@ int overcommit_ratio_handler(struct ctl_table *table, int write,
return ret;
}
-int overcommit_kbytes_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+int overcommit_kbytes_handler(struct ctl_table *table, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 399f219544f7..1e94497b7388 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -34,6 +34,7 @@
#include <linux/llist.h>
#include <linux/bitops.h>
#include <linux/rbtree_augmented.h>
+#include <linux/overflow.h>
#include <linux/uaccess.h>
#include <asm/tlbflush.h>
@@ -68,7 +69,8 @@ static void free_work(struct work_struct *w)
/*** Page table manipulation functions ***/
-static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
+static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
+ pgtbl_mod_mask *mask)
{
pte_t *pte;
@@ -77,73 +79,118 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end)
pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte);
WARN_ON(!pte_none(ptent) && !pte_present(ptent));
} while (pte++, addr += PAGE_SIZE, addr != end);
+ *mask |= PGTBL_PTE_MODIFIED;
}
-static void vunmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end)
+static void vunmap_pmd_range(pud_t *pud, unsigned long addr, unsigned long end,
+ pgtbl_mod_mask *mask)
{
pmd_t *pmd;
unsigned long next;
+ int cleared;
pmd = pmd_offset(pud, addr);
do {
next = pmd_addr_end(addr, end);
- if (pmd_clear_huge(pmd))
+
+ cleared = pmd_clear_huge(pmd);
+ if (cleared || pmd_bad(*pmd))
+ *mask |= PGTBL_PMD_MODIFIED;
+
+ if (cleared)
continue;
if (pmd_none_or_clear_bad(pmd))
continue;
- vunmap_pte_range(pmd, addr, next);
+ vunmap_pte_range(pmd, addr, next, mask);
} while (pmd++, addr = next, addr != end);
}
-static void vunmap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end)
+static void vunmap_pud_range(p4d_t *p4d, unsigned long addr, unsigned long end,
+ pgtbl_mod_mask *mask)
{
pud_t *pud;
unsigned long next;
+ int cleared;
pud = pud_offset(p4d, addr);
do {
next = pud_addr_end(addr, end);
- if (pud_clear_huge(pud))
+
+ cleared = pud_clear_huge(pud);
+ if (cleared || pud_bad(*pud))
+ *mask |= PGTBL_PUD_MODIFIED;
+
+ if (cleared)
continue;
if (pud_none_or_clear_bad(pud))
continue;
- vunmap_pmd_range(pud, addr, next);
+ vunmap_pmd_range(pud, addr, next, mask);
} while (pud++, addr = next, addr != end);
}
-static void vunmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end)
+static void vunmap_p4d_range(pgd_t *pgd, unsigned long addr, unsigned long end,
+ pgtbl_mod_mask *mask)
{
p4d_t *p4d;
unsigned long next;
+ int cleared;
p4d = p4d_offset(pgd, addr);
do {
next = p4d_addr_end(addr, end);
- if (p4d_clear_huge(p4d))
+
+ cleared = p4d_clear_huge(p4d);
+ if (cleared || p4d_bad(*p4d))
+ *mask |= PGTBL_P4D_MODIFIED;
+
+ if (cleared)
continue;
if (p4d_none_or_clear_bad(p4d))
continue;
- vunmap_pud_range(p4d, addr, next);
+ vunmap_pud_range(p4d, addr, next, mask);
} while (p4d++, addr = next, addr != end);
}
-static void vunmap_page_range(unsigned long addr, unsigned long end)
+/**
+ * unmap_kernel_range_noflush - unmap kernel VM area
+ * @start: start of the VM area to unmap
+ * @size: size of the VM area to unmap
+ *
+ * Unmap PFN_UP(@size) pages at @addr. The VM area @addr and @size specify
+ * should have been allocated using get_vm_area() and its friends.
+ *
+ * NOTE:
+ * This function does NOT do any cache flushing. The caller is responsible
+ * for calling flush_cache_vunmap() on to-be-mapped areas before calling this
+ * function and flush_tlb_kernel_range() after.
+ */
+void unmap_kernel_range_noflush(unsigned long start, unsigned long size)
{
- pgd_t *pgd;
+ unsigned long end = start + size;
unsigned long next;
+ pgd_t *pgd;
+ unsigned long addr = start;
+ pgtbl_mod_mask mask = 0;
BUG_ON(addr >= end);
+ start = addr;
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
+ if (pgd_bad(*pgd))
+ mask |= PGTBL_PGD_MODIFIED;
if (pgd_none_or_clear_bad(pgd))
continue;
- vunmap_p4d_range(pgd, addr, next);
+ vunmap_p4d_range(pgd, addr, next, &mask);
} while (pgd++, addr = next, addr != end);
+
+ if (mask & ARCH_PAGE_TABLE_SYNC_MASK)
+ arch_sync_kernel_mappings(start, end);
}
static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ unsigned long end, pgprot_t prot, struct page **pages, int *nr,
+ pgtbl_mod_mask *mask)
{
pte_t *pte;
@@ -152,7 +199,7 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
* callers keep track of where we're up to.
*/
- pte = pte_alloc_kernel(pmd, addr);
+ pte = pte_alloc_kernel_track(pmd, addr, mask);
if (!pte)
return -ENOMEM;
do {
@@ -165,94 +212,117 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr,
set_pte_at(&init_mm, addr, pte, mk_pte(page, prot));
(*nr)++;
} while (pte++, addr += PAGE_SIZE, addr != end);
+ *mask |= PGTBL_PTE_MODIFIED;
return 0;
}
static int vmap_pmd_range(pud_t *pud, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ unsigned long end, pgprot_t prot, struct page **pages, int *nr,
+ pgtbl_mod_mask *mask)
{
pmd_t *pmd;
unsigned long next;
- pmd = pmd_alloc(&init_mm, pud, addr);
+ pmd = pmd_alloc_track(&init_mm, pud, addr, mask);
if (!pmd)
return -ENOMEM;
do {
next = pmd_addr_end(addr, end);
- if (vmap_pte_range(pmd, addr, next, prot, pages, nr))
+ if (vmap_pte_range(pmd, addr, next, prot, pages, nr, mask))
return -ENOMEM;
} while (pmd++, addr = next, addr != end);
return 0;
}
static int vmap_pud_range(p4d_t *p4d, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ unsigned long end, pgprot_t prot, struct page **pages, int *nr,
+ pgtbl_mod_mask *mask)
{
pud_t *pud;
unsigned long next;
- pud = pud_alloc(&init_mm, p4d, addr);
+ pud = pud_alloc_track(&init_mm, p4d, addr, mask);
if (!pud)
return -ENOMEM;
do {
next = pud_addr_end(addr, end);
- if (vmap_pmd_range(pud, addr, next, prot, pages, nr))
+ if (vmap_pmd_range(pud, addr, next, prot, pages, nr, mask))
return -ENOMEM;
} while (pud++, addr = next, addr != end);
return 0;
}
static int vmap_p4d_range(pgd_t *pgd, unsigned long addr,
- unsigned long end, pgprot_t prot, struct page **pages, int *nr)
+ unsigned long end, pgprot_t prot, struct page **pages, int *nr,
+ pgtbl_mod_mask *mask)
{
p4d_t *p4d;
unsigned long next;
- p4d = p4d_alloc(&init_mm, pgd, addr);
+ p4d = p4d_alloc_track(&init_mm, pgd, addr, mask);
if (!p4d)
return -ENOMEM;
do {
next = p4d_addr_end(addr, end);
- if (vmap_pud_range(p4d, addr, next, prot, pages, nr))
+ if (vmap_pud_range(p4d, addr, next, prot, pages, nr, mask))
return -ENOMEM;
} while (p4d++, addr = next, addr != end);
return 0;
}
-/*
- * Set up page tables in kva (addr, end). The ptes shall have prot "prot", and
- * will have pfns corresponding to the "pages" array.
+/**
+ * map_kernel_range_noflush - map kernel VM area with the specified pages
+ * @addr: start of the VM area to map
+ * @size: size of the VM area to map
+ * @prot: page protection flags to use
+ * @pages: pages to map
*
- * Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
+ * Map PFN_UP(@size) pages at @addr. The VM area @addr and @size specify should
+ * have been allocated using get_vm_area() and its friends.
+ *
+ * NOTE:
+ * This function does NOT do any cache flushing. The caller is responsible for
+ * calling flush_cache_vmap() on to-be-mapped areas before calling this
+ * function.
+ *
+ * RETURNS:
+ * 0 on success, -errno on failure.
*/
-static int vmap_page_range_noflush(unsigned long start, unsigned long end,
- pgprot_t prot, struct page **pages)
+int map_kernel_range_noflush(unsigned long addr, unsigned long size,
+ pgprot_t prot, struct page **pages)
{
- pgd_t *pgd;
+ unsigned long start = addr;
+ unsigned long end = addr + size;
unsigned long next;
- unsigned long addr = start;
+ pgd_t *pgd;
int err = 0;
int nr = 0;
+ pgtbl_mod_mask mask = 0;
BUG_ON(addr >= end);
pgd = pgd_offset_k(addr);
do {
next = pgd_addr_end(addr, end);
- err = vmap_p4d_range(pgd, addr, next, prot, pages, &nr);
+ if (pgd_bad(*pgd))
+ mask |= PGTBL_PGD_MODIFIED;
+ err = vmap_p4d_range(pgd, addr, next, prot, pages, &nr, &mask);
if (err)
return err;
} while (pgd++, addr = next, addr != end);
- return nr;
+ if (mask & ARCH_PAGE_TABLE_SYNC_MASK)
+ arch_sync_kernel_mappings(start, end);
+
+ return 0;
}
-static int vmap_page_range(unsigned long start, unsigned long end,
- pgprot_t prot, struct page **pages)
+int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot,
+ struct page **pages)
{
int ret;
- ret = vmap_page_range_noflush(start, end, prot, pages);
- flush_cache_vmap(start, end);
+ ret = map_kernel_range_noflush(start, size, prot, pages);
+ flush_cache_vmap(start, start + size);
return ret;
}
@@ -1222,14 +1292,6 @@ int unregister_vmap_purge_notifier(struct notifier_block *nb)
EXPORT_SYMBOL_GPL(unregister_vmap_purge_notifier);
/*
- * Clear the pagetable entries of a given vmap_area
- */
-static void unmap_vmap_area(struct vmap_area *va)
-{
- vunmap_page_range(va->va_start, va->va_end);
-}
-
-/*
* lazy_max_pages is the maximum amount of virtual address space we gather up
* before attempting to purge with a TLB flush.
*
@@ -1292,12 +1354,6 @@ static bool __purge_vmap_area_lazy(unsigned long start, unsigned long end)
return false;
/*
- * First make sure the mappings are removed from all page-tables
- * before they are freed.
- */
- vmalloc_sync_unmappings();
-
- /*
* TODO: to calculate a flush range without looping.
* The list can be up to lazy_max_pages() elements.
*/
@@ -1390,7 +1446,7 @@ static void free_vmap_area_noflush(struct vmap_area *va)
static void free_unmap_vmap_area(struct vmap_area *va)
{
flush_cache_vunmap(va->va_start, va->va_end);
- unmap_vmap_area(va);
+ unmap_kernel_range_noflush(va->va_start, va->va_end - va->va_start);
if (debug_pagealloc_enabled_static())
flush_tlb_kernel_range(va->va_start, va->va_end);
@@ -1664,7 +1720,7 @@ static void *vb_alloc(unsigned long size, gfp_t gfp_mask)
return vaddr;
}
-static void vb_free(const void *addr, unsigned long size)
+static void vb_free(unsigned long addr, unsigned long size)
{
unsigned long offset;
unsigned long vb_idx;
@@ -1674,24 +1730,22 @@ static void vb_free(const void *addr, unsigned long size)
BUG_ON(offset_in_page(size));
BUG_ON(size > PAGE_SIZE*VMAP_MAX_ALLOC);
- flush_cache_vunmap((unsigned long)addr, (unsigned long)addr + size);
+ flush_cache_vunmap(addr, addr + size);
order = get_order(size);
- offset = (unsigned long)addr & (VMAP_BLOCK_SIZE - 1);
- offset >>= PAGE_SHIFT;
+ offset = (addr & (VMAP_BLOCK_SIZE - 1)) >> PAGE_SHIFT;
- vb_idx = addr_to_vb_idx((unsigned long)addr);
+ vb_idx = addr_to_vb_idx(addr);
rcu_read_lock();
vb = radix_tree_lookup(&vmap_block_tree, vb_idx);
rcu_read_unlock();
BUG_ON(!vb);
- vunmap_page_range((unsigned long)addr, (unsigned long)addr + size);
+ unmap_kernel_range_noflush(addr, size);
if (debug_pagealloc_enabled_static())
- flush_tlb_kernel_range((unsigned long)addr,
- (unsigned long)addr + size);
+ flush_tlb_kernel_range(addr, addr + size);
spin_lock(&vb->lock);
@@ -1791,7 +1845,7 @@ void vm_unmap_ram(const void *mem, unsigned int count)
if (likely(count <= VMAP_MAX_ALLOC)) {
debug_check_no_locks_freed(mem, size);
- vb_free(mem, size);
+ vb_free(addr, size);
return;
}
@@ -1818,7 +1872,7 @@ EXPORT_SYMBOL(vm_unmap_ram);
*
* Returns: a pointer to the address that has been mapped, or %NULL on failure
*/
-void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t prot)
+void *vm_map_ram(struct page **pages, unsigned int count, int node)
{
unsigned long size = (unsigned long)count << PAGE_SHIFT;
unsigned long addr;
@@ -1842,7 +1896,7 @@ void *vm_map_ram(struct page **pages, unsigned int count, int node, pgprot_t pro
kasan_unpoison_vmalloc(mem, size);
- if (vmap_page_range(addr, addr + size, prot, pages) < 0) {
+ if (map_kernel_range(addr, size, PAGE_KERNEL, pages) < 0) {
vm_unmap_ram(mem, count);
return NULL;
}
@@ -1987,51 +2041,6 @@ void __init vmalloc_init(void)
}
/**
- * map_kernel_range_noflush - map kernel VM area with the specified pages
- * @addr: start of the VM area to map
- * @size: size of the VM area to map
- * @prot: page protection flags to use
- * @pages: pages to map
- *
- * Map PFN_UP(@size) pages at @addr. The VM area @addr and @size
- * specify should have been allocated using get_vm_area() and its
- * friends.
- *
- * NOTE:
- * This function does NOT do any cache flushing. The caller is
- * responsible for calling flush_cache_vmap() on to-be-mapped areas
- * before calling this function.
- *
- * RETURNS:
- * The number of pages mapped on success, -errno on failure.
- */
-int map_kernel_range_noflush(unsigned long addr, unsigned long size,
- pgprot_t prot, struct page **pages)
-{
- return vmap_page_range_noflush(addr, addr + size, prot, pages);
-}
-
-/**
- * unmap_kernel_range_noflush - unmap kernel VM area
- * @addr: start of the VM area to unmap
- * @size: size of the VM area to unmap
- *
- * Unmap PFN_UP(@size) pages at @addr. The VM area @addr and @size
- * specify should have been allocated using get_vm_area() and its
- * friends.
- *
- * NOTE:
- * This function does NOT do any cache flushing. The caller is
- * responsible for calling flush_cache_vunmap() on to-be-mapped areas
- * before calling this function and flush_tlb_kernel_range() after.
- */
-void unmap_kernel_range_noflush(unsigned long addr, unsigned long size)
-{
- vunmap_page_range(addr, addr + size);
-}
-EXPORT_SYMBOL_GPL(unmap_kernel_range_noflush);
-
-/**
* unmap_kernel_range - unmap kernel VM area and flush cache and TLB
* @addr: start of the VM area to unmap
* @size: size of the VM area to unmap
@@ -2044,22 +2053,9 @@ void unmap_kernel_range(unsigned long addr, unsigned long size)
unsigned long end = addr + size;
flush_cache_vunmap(addr, end);
- vunmap_page_range(addr, end);
+ unmap_kernel_range_noflush(addr, size);
flush_tlb_kernel_range(addr, end);
}
-EXPORT_SYMBOL_GPL(unmap_kernel_range);
-
-int map_vm_area(struct vm_struct *area, pgprot_t prot, struct page **pages)
-{
- unsigned long addr = (unsigned long)area->addr;
- unsigned long end = addr + get_vm_area_size(area);
- int err;
-
- err = vmap_page_range(addr, end, prot, pages);
-
- return err > 0 ? 0 : err;
-}
-EXPORT_SYMBOL_GPL(map_vm_area);
static inline void setup_vmalloc_vm_locked(struct vm_struct *vm,
struct vmap_area *va, unsigned long flags, const void *caller)
@@ -2127,14 +2123,6 @@ static struct vm_struct *__get_vm_area_node(unsigned long size,
return area;
}
-struct vm_struct *__get_vm_area(unsigned long size, unsigned long flags,
- unsigned long start, unsigned long end)
-{
- return __get_vm_area_node(size, 1, flags, start, end, NUMA_NO_NODE,
- GFP_KERNEL, __builtin_return_address(0));
-}
-EXPORT_SYMBOL_GPL(__get_vm_area);
-
struct vm_struct *__get_vm_area_caller(unsigned long size, unsigned long flags,
unsigned long start, unsigned long end,
const void *caller)
@@ -2440,7 +2428,8 @@ void *vmap(struct page **pages, unsigned int count,
if (!area)
return NULL;
- if (map_vm_area(area, prot, pages)) {
+ if (map_kernel_range((unsigned long)area->addr, size, pgprot_nx(prot),
+ pages) < 0) {
vunmap(area->addr);
return NULL;
}
@@ -2449,9 +2438,6 @@ void *vmap(struct page **pages, unsigned int count,
}
EXPORT_SYMBOL(vmap);
-static void *__vmalloc_node(unsigned long size, unsigned long align,
- gfp_t gfp_mask, pgprot_t prot,
- int node, const void *caller);
static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
pgprot_t prot, int node)
{
@@ -2469,7 +2455,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
/* Please note that the recursion is strictly bounded. */
if (array_size > PAGE_SIZE) {
pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask,
- PAGE_KERNEL, node, area->caller);
+ node, area->caller);
} else {
pages = kmalloc_node(array_size, nested_gfp, node);
}
@@ -2503,8 +2489,10 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
}
atomic_long_add(area->nr_pages, &nr_vmalloc_pages);
- if (map_vm_area(area, prot, pages))
+ if (map_kernel_range((unsigned long)area->addr, get_vm_area_size(area),
+ prot, pages) < 0)
goto fail;
+
return area->addr;
fail:
@@ -2572,27 +2560,16 @@ fail:
return NULL;
}
-/*
- * This is only for performance analysis of vmalloc and stress purpose.
- * It is required by vmalloc test module, therefore do not use it other
- * than that.
- */
-#ifdef CONFIG_TEST_VMALLOC_MODULE
-EXPORT_SYMBOL_GPL(__vmalloc_node_range);
-#endif
-
/**
* __vmalloc_node - allocate virtually contiguous memory
* @size: allocation size
* @align: desired alignment
* @gfp_mask: flags for the page level allocator
- * @prot: protection mask for the allocated pages
* @node: node to use for allocation or NUMA_NO_NODE
* @caller: caller's return address
*
- * Allocate enough pages to cover @size from the page level
- * allocator with @gfp_mask flags. Map them into contiguous
- * kernel virtual space, using a pagetable protection of @prot.
+ * Allocate enough pages to cover @size from the page level allocator with
+ * @gfp_mask flags. Map them into contiguous kernel virtual space.
*
* Reclaim modifiers in @gfp_mask - __GFP_NORETRY, __GFP_RETRY_MAYFAIL
* and __GFP_NOFAIL are not supported
@@ -2602,35 +2579,28 @@ EXPORT_SYMBOL_GPL(__vmalloc_node_range);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-static void *__vmalloc_node(unsigned long size, unsigned long align,
- gfp_t gfp_mask, pgprot_t prot,
- int node, const void *caller)
+void *__vmalloc_node(unsigned long size, unsigned long align,
+ gfp_t gfp_mask, int node, const void *caller)
{
return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
- gfp_mask, prot, 0, node, caller);
+ gfp_mask, PAGE_KERNEL, 0, node, caller);
}
+/*
+ * This is only for performance analysis of vmalloc and stress purpose.
+ * It is required by vmalloc test module, therefore do not use it other
+ * than that.
+ */
+#ifdef CONFIG_TEST_VMALLOC_MODULE
+EXPORT_SYMBOL_GPL(__vmalloc_node);
+#endif
-void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot)
+void *__vmalloc(unsigned long size, gfp_t gfp_mask)
{
- return __vmalloc_node(size, 1, gfp_mask, prot, NUMA_NO_NODE,
+ return __vmalloc_node(size, 1, gfp_mask, NUMA_NO_NODE,
__builtin_return_address(0));
}
EXPORT_SYMBOL(__vmalloc);
-static inline void *__vmalloc_node_flags(unsigned long size,
- int node, gfp_t flags)
-{
- return __vmalloc_node(size, 1, flags, PAGE_KERNEL,
- node, __builtin_return_address(0));
-}
-
-
-void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
- void *caller)
-{
- return __vmalloc_node(size, 1, flags, PAGE_KERNEL, node, caller);
-}
-
/**
* vmalloc - allocate virtually contiguous memory
* @size: allocation size
@@ -2645,8 +2615,8 @@ void *__vmalloc_node_flags_caller(unsigned long size, int node, gfp_t flags,
*/
void *vmalloc(unsigned long size)
{
- return __vmalloc_node_flags(size, NUMA_NO_NODE,
- GFP_KERNEL);
+ return __vmalloc_node(size, 1, GFP_KERNEL, NUMA_NO_NODE,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(vmalloc);
@@ -2665,8 +2635,8 @@ EXPORT_SYMBOL(vmalloc);
*/
void *vzalloc(unsigned long size)
{
- return __vmalloc_node_flags(size, NUMA_NO_NODE,
- GFP_KERNEL | __GFP_ZERO);
+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, NUMA_NO_NODE,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(vzalloc);
@@ -2703,8 +2673,8 @@ EXPORT_SYMBOL(vmalloc_user);
*/
void *vmalloc_node(unsigned long size, int node)
{
- return __vmalloc_node(size, 1, GFP_KERNEL, PAGE_KERNEL,
- node, __builtin_return_address(0));
+ return __vmalloc_node(size, 1, GFP_KERNEL, node,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(vmalloc_node);
@@ -2717,39 +2687,16 @@ EXPORT_SYMBOL(vmalloc_node);
* allocator and map them into contiguous kernel virtual space.
* The memory allocated is set to zero.
*
- * For tight control over page level allocator and protection flags
- * use __vmalloc_node() instead.
- *
* Return: pointer to the allocated memory or %NULL on error
*/
void *vzalloc_node(unsigned long size, int node)
{
- return __vmalloc_node_flags(size, node,
- GFP_KERNEL | __GFP_ZERO);
+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, node,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(vzalloc_node);
/**
- * vmalloc_user_node_flags - allocate memory for userspace on a specific node
- * @size: allocation size
- * @node: numa node
- * @flags: flags for the page level allocator
- *
- * The resulting memory area is zeroed so it can be mapped to userspace
- * without leaking data.
- *
- * Return: pointer to the allocated memory or %NULL on error
- */
-void *vmalloc_user_node_flags(unsigned long size, int node, gfp_t flags)
-{
- return __vmalloc_node_range(size, SHMLBA, VMALLOC_START, VMALLOC_END,
- flags | __GFP_ZERO, PAGE_KERNEL,
- VM_USERMAP, node,
- __builtin_return_address(0));
-}
-EXPORT_SYMBOL(vmalloc_user_node_flags);
-
-/**
* vmalloc_exec - allocate virtually contiguous, executable memory
* @size: allocation size
*
@@ -2792,8 +2739,8 @@ void *vmalloc_exec(unsigned long size)
*/
void *vmalloc_32(unsigned long size)
{
- return __vmalloc_node(size, 1, GFP_VMALLOC32, PAGE_KERNEL,
- NUMA_NO_NODE, __builtin_return_address(0));
+ return __vmalloc_node(size, 1, GFP_VMALLOC32, NUMA_NO_NODE,
+ __builtin_return_address(0));
}
EXPORT_SYMBOL(vmalloc_32);
@@ -3054,6 +3001,7 @@ finished:
* @vma: vma to cover
* @uaddr: target user address to start at
* @kaddr: virtual address of vmalloc kernel memory
+ * @pgoff: offset from @kaddr to start at
* @size: size of map area
*
* Returns: 0 for success, -Exxx on failure
@@ -3066,9 +3014,15 @@ finished:
* Similar to remap_pfn_range() (see mm/memory.c)
*/
int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
- void *kaddr, unsigned long size)
+ void *kaddr, unsigned long pgoff,
+ unsigned long size)
{
struct vm_struct *area;
+ unsigned long off;
+ unsigned long end_index;
+
+ if (check_shl_overflow(pgoff, PAGE_SHIFT, &off))
+ return -EINVAL;
size = PAGE_ALIGN(size);
@@ -3082,8 +3036,10 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr,
if (!(area->flags & (VM_USERMAP | VM_DMA_COHERENT)))
return -EINVAL;
- if (kaddr + size > area->addr + get_vm_area_size(area))
+ if (check_add_overflow(size, off, &end_index) ||
+ end_index > get_vm_area_size(area))
return -EINVAL;
+ kaddr += off;
do {
struct page *page = vmalloc_to_page(kaddr);
@@ -3122,26 +3078,11 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
unsigned long pgoff)
{
return remap_vmalloc_range_partial(vma, vma->vm_start,
- addr + (pgoff << PAGE_SHIFT),
+ addr, pgoff,
vma->vm_end - vma->vm_start);
}
EXPORT_SYMBOL(remap_vmalloc_range);
-/*
- * Implement stubs for vmalloc_sync_[un]mappings () if the architecture chose
- * not to have one.
- *
- * The purpose of this function is to make sure the vmalloc area
- * mappings are identical in all page-tables in the system.
- */
-void __weak vmalloc_sync_mappings(void)
-{
-}
-
-void __weak vmalloc_sync_unmappings(void)
-{
-}
-
static int f(pte_t *pte, unsigned long addr, void *data)
{
pte_t ***p = data;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b06868fc4926..3792dd19788c 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -79,6 +79,12 @@ struct scan_control {
*/
struct mem_cgroup *target_mem_cgroup;
+ /*
+ * Scan pressure balancing between anon and file LRUs
+ */
+ unsigned long anon_cost;
+ unsigned long file_cost;
+
/* Can active pages be deactivated as part of reclaim? */
#define DEACTIVATE_ANON 1
#define DEACTIVATE_FILE 2
@@ -161,7 +167,7 @@ struct scan_control {
#endif
/*
- * From 0 .. 100. Higher means more swappy.
+ * From 0 .. 200. Higher means more swappy.
*/
int vm_swappiness = 60;
/*
@@ -1066,17 +1072,17 @@ static void page_check_dirty_writeback(struct page *page,
/*
* shrink_page_list() returns the number of reclaimed pages
*/
-static unsigned long shrink_page_list(struct list_head *page_list,
- struct pglist_data *pgdat,
- struct scan_control *sc,
- enum ttu_flags ttu_flags,
- struct reclaim_stat *stat,
- bool ignore_references)
+static unsigned int shrink_page_list(struct list_head *page_list,
+ struct pglist_data *pgdat,
+ struct scan_control *sc,
+ enum ttu_flags ttu_flags,
+ struct reclaim_stat *stat,
+ bool ignore_references)
{
LIST_HEAD(ret_pages);
LIST_HEAD(free_pages);
- unsigned nr_reclaimed = 0;
- unsigned pgactivate = 0;
+ unsigned int nr_reclaimed = 0;
+ unsigned int pgactivate = 0;
memset(stat, 0, sizeof(*stat));
cond_resched();
@@ -1295,11 +1301,15 @@ static unsigned long shrink_page_list(struct list_head *page_list,
*/
if (page_mapped(page)) {
enum ttu_flags flags = ttu_flags | TTU_BATCH_FLUSH;
+ bool was_swapbacked = PageSwapBacked(page);
if (unlikely(PageTransHuge(page)))
flags |= TTU_SPLIT_HUGE_PMD;
+
if (!try_to_unmap(page, flags)) {
stat->nr_unmap_fail += nr_pages;
+ if (!was_swapbacked && PageSwapBacked(page))
+ stat->nr_lazyfree_fail += nr_pages;
goto activate_locked;
}
}
@@ -1349,6 +1359,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
case PAGE_ACTIVATE:
goto activate_locked;
case PAGE_SUCCESS:
+ stat->nr_pageout += hpage_nr_pages(page);
+
if (PageWriteback(page))
goto keep;
if (PageDirty(page))
@@ -1438,7 +1450,7 @@ free_it:
* appear not as the counts should be low
*/
if (unlikely(PageTransHuge(page)))
- (*get_compound_page_dtor(page))(page);
+ destroy_compound_page(page);
else
list_add(&page->lru, &free_pages);
continue;
@@ -1483,7 +1495,7 @@ keep:
return nr_reclaimed;
}
-unsigned long reclaim_clean_pages_from_list(struct zone *zone,
+unsigned int reclaim_clean_pages_from_list(struct zone *zone,
struct list_head *page_list)
{
struct scan_control sc = {
@@ -1491,8 +1503,8 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
.priority = DEF_PRIORITY,
.may_unmap = 1,
};
- struct reclaim_stat dummy_stat;
- unsigned long ret;
+ struct reclaim_stat stat;
+ unsigned int nr_reclaimed;
struct page *page, *next;
LIST_HEAD(clean_pages);
@@ -1504,11 +1516,21 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone,
}
}
- ret = shrink_page_list(&clean_pages, zone->zone_pgdat, &sc,
- TTU_IGNORE_ACCESS, &dummy_stat, true);
+ nr_reclaimed = shrink_page_list(&clean_pages, zone->zone_pgdat, &sc,
+ TTU_IGNORE_ACCESS, &stat, true);
list_splice(&clean_pages, page_list);
- mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE, -ret);
- return ret;
+ mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE, -nr_reclaimed);
+ /*
+ * Since lazyfree pages are isolated from file LRU from the beginning,
+ * they will rotate back to anonymous LRU in the end if it failed to
+ * discard so isolated count will be mismatched.
+ * Compensate the isolated count for both LRU lists.
+ */
+ mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_ANON,
+ stat.nr_lazyfree_fail);
+ mod_node_page_state(zone->zone_pgdat, NR_ISOLATED_FILE,
+ -stat.nr_lazyfree_fail);
+ return nr_reclaimed;
}
/*
@@ -1602,10 +1624,7 @@ static __always_inline void update_lru_sizes(struct lruvec *lruvec,
if (!nr_zone_taken[zid])
continue;
- __update_lru_size(lruvec, lru, zid, -nr_zone_taken[zid]);
-#ifdef CONFIG_MEMCG
- mem_cgroup_update_lru_size(lruvec, lru, zid, -nr_zone_taken[zid]);
-#endif
+ update_lru_size(lruvec, lru, zid, -nr_zone_taken[zid]);
}
}
@@ -1625,7 +1644,6 @@ static __always_inline void update_lru_sizes(struct lruvec *lruvec,
* @dst: The temp list to put pages on to.
* @nr_scanned: The number of pages that were scanned.
* @sc: The scan_control struct for this reclaim session
- * @mode: One of the LRU isolation modes
* @lru: LRU list id for isolating
*
* returns how many pages were moved onto *@dst.
@@ -1860,7 +1878,7 @@ static unsigned noinline_for_stack move_pages_to_lru(struct lruvec *lruvec,
if (unlikely(PageCompound(page))) {
spin_unlock_irq(&pgdat->lru_lock);
- (*get_compound_page_dtor(page))(page);
+ destroy_compound_page(page);
spin_lock_irq(&pgdat->lru_lock);
} else
list_add(&page->lru, &pages_to_free);
@@ -1879,13 +1897,13 @@ static unsigned noinline_for_stack move_pages_to_lru(struct lruvec *lruvec,
/*
* If a kernel thread (such as nfsd for loop-back mounts) services
- * a backing device by writing to the page cache it sets PF_LESS_THROTTLE.
+ * a backing device by writing to the page cache it sets PF_LOCAL_THROTTLE.
* In that case we should only throttle if the backing device it is
* writing to is congested. In other cases it is safe to throttle.
*/
static int current_may_throttle(void)
{
- return !(current->flags & PF_LESS_THROTTLE) ||
+ return !(current->flags & PF_LOCAL_THROTTLE) ||
current->backing_dev_info == NULL ||
bdi_write_congested(current->backing_dev_info);
}
@@ -1900,13 +1918,12 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
{
LIST_HEAD(page_list);
unsigned long nr_scanned;
- unsigned long nr_reclaimed = 0;
+ unsigned int nr_reclaimed = 0;
unsigned long nr_taken;
struct reclaim_stat stat;
- int file = is_file_lru(lru);
+ bool file = is_file_lru(lru);
enum vm_event_item item;
struct pglist_data *pgdat = lruvec_pgdat(lruvec);
- struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
bool stalled = false;
while (unlikely(too_many_isolated(pgdat, file, sc))) {
@@ -1930,12 +1947,12 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
&nr_scanned, sc, lru);
__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken);
- reclaim_stat->recent_scanned[file] += nr_taken;
-
item = current_is_kswapd() ? PGSCAN_KSWAPD : PGSCAN_DIRECT;
if (!cgroup_reclaim(sc))
__count_vm_events(item, nr_scanned);
__count_memcg_events(lruvec_memcg(lruvec), item, nr_scanned);
+ __count_vm_events(PGSCAN_ANON + file, nr_scanned);
+
spin_unlock_irq(&pgdat->lru_lock);
if (nr_taken == 0)
@@ -1946,16 +1963,15 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
spin_lock_irq(&pgdat->lru_lock);
+ move_pages_to_lru(lruvec, &page_list);
+
+ __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
+ lru_note_cost(lruvec, file, stat.nr_pageout);
item = current_is_kswapd() ? PGSTEAL_KSWAPD : PGSTEAL_DIRECT;
if (!cgroup_reclaim(sc))
__count_vm_events(item, nr_reclaimed);
__count_memcg_events(lruvec_memcg(lruvec), item, nr_reclaimed);
- reclaim_stat->recent_rotated[0] += stat.nr_activate[0];
- reclaim_stat->recent_rotated[1] += stat.nr_activate[1];
-
- move_pages_to_lru(lruvec, &page_list);
-
- __mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, -nr_taken);
+ __count_vm_events(PGSTEAL_ANON + file, nr_reclaimed);
spin_unlock_irq(&pgdat->lru_lock);
@@ -2002,7 +2018,6 @@ static void shrink_active_list(unsigned long nr_to_scan,
LIST_HEAD(l_active);
LIST_HEAD(l_inactive);
struct page *page;
- struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
unsigned nr_deactivate, nr_activate;
unsigned nr_rotated = 0;
int file = is_file_lru(lru);
@@ -2016,7 +2031,6 @@ static void shrink_active_list(unsigned long nr_to_scan,
&nr_scanned, sc, lru);
__mod_node_page_state(pgdat, NR_ISOLATED_ANON + file, nr_taken);
- reclaim_stat->recent_scanned[file] += nr_taken;
__count_vm_events(PGREFILL, nr_scanned);
__count_memcg_events(lruvec_memcg(lruvec), PGREFILL, nr_scanned);
@@ -2043,7 +2057,6 @@ static void shrink_active_list(unsigned long nr_to_scan,
if (page_referenced(page, 0, sc->target_mem_cgroup,
&vm_flags)) {
- nr_rotated += hpage_nr_pages(page);
/*
* Identify referenced, file-backed active pages and
* give them one more trip around the active list. So
@@ -2054,6 +2067,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
* so we ignore them here.
*/
if ((vm_flags & VM_EXEC) && page_is_file_lru(page)) {
+ nr_rotated += hpage_nr_pages(page);
list_add(&page->lru, &l_active);
continue;
}
@@ -2068,13 +2082,6 @@ static void shrink_active_list(unsigned long nr_to_scan,
* Move pages back to the lru list.
*/
spin_lock_irq(&pgdat->lru_lock);
- /*
- * Count referenced pages from currently used mappings as rotated,
- * even though only some of them are actually re-activated. This
- * helps balance scan pressure between file and anonymous pages in
- * get_scan_count.
- */
- reclaim_stat->recent_rotated[file] += nr_rotated;
nr_activate = move_pages_to_lru(lruvec, &l_active);
nr_deactivate = move_pages_to_lru(lruvec, &l_inactive);
@@ -2096,7 +2103,7 @@ static void shrink_active_list(unsigned long nr_to_scan,
unsigned long reclaim_pages(struct list_head *page_list)
{
int nid = NUMA_NO_NODE;
- unsigned long nr_reclaimed = 0;
+ unsigned int nr_reclaimed = 0;
LIST_HEAD(node_page_list);
struct reclaim_stat dummy_stat;
struct page *page;
@@ -2230,14 +2237,11 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
unsigned long *nr)
{
struct mem_cgroup *memcg = lruvec_memcg(lruvec);
+ unsigned long anon_cost, file_cost, total_cost;
int swappiness = mem_cgroup_swappiness(memcg);
- struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
u64 fraction[2];
u64 denominator = 0; /* gcc */
- struct pglist_data *pgdat = lruvec_pgdat(lruvec);
- unsigned long anon_prio, file_prio;
enum scan_balance scan_balance;
- unsigned long anon, file;
unsigned long ap, fp;
enum lru_list lru;
@@ -2287,57 +2291,35 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
}
scan_balance = SCAN_FRACT;
-
- /*
- * With swappiness at 100, anonymous and file have the same priority.
- * This scanning priority is essentially the inverse of IO cost.
- */
- anon_prio = swappiness;
- file_prio = 200 - anon_prio;
-
/*
- * OK, so we have swap space and a fair amount of page cache
- * pages. We use the recently rotated / recently scanned
- * ratios to determine how valuable each cache is.
+ * Calculate the pressure balance between anon and file pages.
+ *
+ * The amount of pressure we put on each LRU is inversely
+ * proportional to the cost of reclaiming each list, as
+ * determined by the share of pages that are refaulting, times
+ * the relative IO cost of bringing back a swapped out
+ * anonymous page vs reloading a filesystem page (swappiness).
*
- * Because workloads change over time (and to avoid overflow)
- * we keep these statistics as a floating average, which ends
- * up weighing recent references more than old ones.
+ * Although we limit that influence to ensure no list gets
+ * left behind completely: at least a third of the pressure is
+ * applied, before swappiness.
*
- * anon in [0], file in [1]
+ * With swappiness at 100, anon and file have equal IO cost.
*/
+ total_cost = sc->anon_cost + sc->file_cost;
+ anon_cost = total_cost + sc->anon_cost;
+ file_cost = total_cost + sc->file_cost;
+ total_cost = anon_cost + file_cost;
- anon = lruvec_lru_size(lruvec, LRU_ACTIVE_ANON, MAX_NR_ZONES) +
- lruvec_lru_size(lruvec, LRU_INACTIVE_ANON, MAX_NR_ZONES);
- file = lruvec_lru_size(lruvec, LRU_ACTIVE_FILE, MAX_NR_ZONES) +
- lruvec_lru_size(lruvec, LRU_INACTIVE_FILE, MAX_NR_ZONES);
+ ap = swappiness * (total_cost + 1);
+ ap /= anon_cost + 1;
- spin_lock_irq(&pgdat->lru_lock);
- if (unlikely(reclaim_stat->recent_scanned[0] > anon / 4)) {
- reclaim_stat->recent_scanned[0] /= 2;
- reclaim_stat->recent_rotated[0] /= 2;
- }
-
- if (unlikely(reclaim_stat->recent_scanned[1] > file / 4)) {
- reclaim_stat->recent_scanned[1] /= 2;
- reclaim_stat->recent_rotated[1] /= 2;
- }
-
- /*
- * The amount of pressure on anon vs file pages is inversely
- * proportional to the fraction of recently scanned pages on
- * each list that were recently referenced and in active use.
- */
- ap = anon_prio * (reclaim_stat->recent_scanned[0] + 1);
- ap /= reclaim_stat->recent_rotated[0] + 1;
-
- fp = file_prio * (reclaim_stat->recent_scanned[1] + 1);
- fp /= reclaim_stat->recent_rotated[1] + 1;
- spin_unlock_irq(&pgdat->lru_lock);
+ fp = (200 - swappiness) * (total_cost + 1);
+ fp /= file_cost + 1;
fraction[0] = ap;
fraction[1] = fp;
- denominator = ap + fp + 1;
+ denominator = ap + fp;
out:
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
@@ -2567,7 +2549,7 @@ static bool in_reclaim_compaction(struct scan_control *sc)
* Reclaim/compaction is used for high-order allocation requests. It reclaims
* order-0 pages before compacting the zone. should_continue_reclaim() returns
* true if more pages should be reclaimed such that when the page allocator
- * calls try_to_compact_zone() that it will have enough free pages to succeed.
+ * calls try_to_compact_pages() that it will have enough free pages to succeed.
* It will give up earlier than that if there is difficulty reclaiming pages.
*/
static inline bool should_continue_reclaim(struct pglist_data *pgdat,
@@ -2698,6 +2680,14 @@ again:
nr_scanned = sc->nr_scanned;
/*
+ * Determine the scan balance between anon and file LRUs.
+ */
+ spin_lock_irq(&pgdat->lru_lock);
+ sc->anon_cost = target_lruvec->anon_cost;
+ sc->file_cost = target_lruvec->file_cost;
+ spin_unlock_irq(&pgdat->lru_lock);
+
+ /*
* Target desirable inactive:active list ratios for the anon
* and file LRU lists.
*/
@@ -3132,8 +3122,8 @@ static bool allow_direct_reclaim(pg_data_t *pgdat)
/* kswapd must be awake if processes are being throttled */
if (!wmark_ok && waitqueue_active(&pgdat->kswapd_wait)) {
- if (READ_ONCE(pgdat->kswapd_classzone_idx) > ZONE_NORMAL)
- WRITE_ONCE(pgdat->kswapd_classzone_idx, ZONE_NORMAL);
+ if (READ_ONCE(pgdat->kswapd_highest_zoneidx) > ZONE_NORMAL)
+ WRITE_ONCE(pgdat->kswapd_highest_zoneidx, ZONE_NORMAL);
wake_up_interruptible(&pgdat->kswapd_wait);
}
@@ -3386,7 +3376,7 @@ static void age_active_anon(struct pglist_data *pgdat,
} while (memcg);
}
-static bool pgdat_watermark_boosted(pg_data_t *pgdat, int classzone_idx)
+static bool pgdat_watermark_boosted(pg_data_t *pgdat, int highest_zoneidx)
{
int i;
struct zone *zone;
@@ -3398,7 +3388,7 @@ static bool pgdat_watermark_boosted(pg_data_t *pgdat, int classzone_idx)
* start prematurely when there is no boosting and a lower
* zone is balanced.
*/
- for (i = classzone_idx; i >= 0; i--) {
+ for (i = highest_zoneidx; i >= 0; i--) {
zone = pgdat->node_zones + i;
if (!managed_zone(zone))
continue;
@@ -3412,9 +3402,9 @@ static bool pgdat_watermark_boosted(pg_data_t *pgdat, int classzone_idx)
/*
* Returns true if there is an eligible zone balanced for the request order
- * and classzone_idx
+ * and highest_zoneidx
*/
-static bool pgdat_balanced(pg_data_t *pgdat, int order, int classzone_idx)
+static bool pgdat_balanced(pg_data_t *pgdat, int order, int highest_zoneidx)
{
int i;
unsigned long mark = -1;
@@ -3424,19 +3414,19 @@ static bool pgdat_balanced(pg_data_t *pgdat, int order, int classzone_idx)
* Check watermarks bottom-up as lower zones are more likely to
* meet watermarks.
*/
- for (i = 0; i <= classzone_idx; i++) {
+ for (i = 0; i <= highest_zoneidx; i++) {
zone = pgdat->node_zones + i;
if (!managed_zone(zone))
continue;
mark = high_wmark_pages(zone);
- if (zone_watermark_ok_safe(zone, order, mark, classzone_idx))
+ if (zone_watermark_ok_safe(zone, order, mark, highest_zoneidx))
return true;
}
/*
- * If a node has no populated zone within classzone_idx, it does not
+ * If a node has no populated zone within highest_zoneidx, it does not
* need balancing by definition. This can happen if a zone-restricted
* allocation tries to wake a remote kswapd.
*/
@@ -3462,7 +3452,8 @@ static void clear_pgdat_congested(pg_data_t *pgdat)
*
* Returns true if kswapd is ready to sleep
*/
-static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, int classzone_idx)
+static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order,
+ int highest_zoneidx)
{
/*
* The throttled processes are normally woken up in balance_pgdat() as
@@ -3484,7 +3475,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, int classzone_idx)
if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES)
return true;
- if (pgdat_balanced(pgdat, order, classzone_idx)) {
+ if (pgdat_balanced(pgdat, order, highest_zoneidx)) {
clear_pgdat_congested(pgdat);
return true;
}
@@ -3548,7 +3539,7 @@ static bool kswapd_shrink_node(pg_data_t *pgdat,
* or lower is eligible for reclaim until at least one usable zone is
* balanced.
*/
-static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
+static int balance_pgdat(pg_data_t *pgdat, int order, int highest_zoneidx)
{
int i;
unsigned long nr_soft_reclaimed;
@@ -3576,7 +3567,7 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
* stall or direct reclaim until kswapd is finished.
*/
nr_boost_reclaim = 0;
- for (i = 0; i <= classzone_idx; i++) {
+ for (i = 0; i <= highest_zoneidx; i++) {
zone = pgdat->node_zones + i;
if (!managed_zone(zone))
continue;
@@ -3594,7 +3585,7 @@ restart:
bool balanced;
bool ret;
- sc.reclaim_idx = classzone_idx;
+ sc.reclaim_idx = highest_zoneidx;
/*
* If the number of buffer_heads exceeds the maximum allowed
@@ -3624,7 +3615,7 @@ restart:
* on the grounds that the normal reclaim should be enough to
* re-evaluate if boosting is required when kswapd next wakes.
*/
- balanced = pgdat_balanced(pgdat, sc.order, classzone_idx);
+ balanced = pgdat_balanced(pgdat, sc.order, highest_zoneidx);
if (!balanced && nr_boost_reclaim) {
nr_boost_reclaim = 0;
goto restart;
@@ -3724,7 +3715,7 @@ out:
if (boosted) {
unsigned long flags;
- for (i = 0; i <= classzone_idx; i++) {
+ for (i = 0; i <= highest_zoneidx; i++) {
if (!zone_boosts[i])
continue;
@@ -3739,7 +3730,7 @@ out:
* As there is now likely space, wakeup kcompact to defragment
* pageblocks.
*/
- wakeup_kcompactd(pgdat, pageblock_order, classzone_idx);
+ wakeup_kcompactd(pgdat, pageblock_order, highest_zoneidx);
}
snapshot_refaults(NULL, pgdat);
@@ -3757,22 +3748,22 @@ out:
}
/*
- * The pgdat->kswapd_classzone_idx is used to pass the highest zone index to be
- * reclaimed by kswapd from the waker. If the value is MAX_NR_ZONES which is not
- * a valid index then either kswapd runs for first time or kswapd couldn't sleep
- * after previous reclaim attempt (node is still unbalanced). In that case
- * return the zone index of the previous kswapd reclaim cycle.
+ * The pgdat->kswapd_highest_zoneidx is used to pass the highest zone index to
+ * be reclaimed by kswapd from the waker. If the value is MAX_NR_ZONES which is
+ * not a valid index then either kswapd runs for first time or kswapd couldn't
+ * sleep after previous reclaim attempt (node is still unbalanced). In that
+ * case return the zone index of the previous kswapd reclaim cycle.
*/
-static enum zone_type kswapd_classzone_idx(pg_data_t *pgdat,
- enum zone_type prev_classzone_idx)
+static enum zone_type kswapd_highest_zoneidx(pg_data_t *pgdat,
+ enum zone_type prev_highest_zoneidx)
{
- enum zone_type curr_idx = READ_ONCE(pgdat->kswapd_classzone_idx);
+ enum zone_type curr_idx = READ_ONCE(pgdat->kswapd_highest_zoneidx);
- return curr_idx == MAX_NR_ZONES ? prev_classzone_idx : curr_idx;
+ return curr_idx == MAX_NR_ZONES ? prev_highest_zoneidx : curr_idx;
}
static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_order,
- unsigned int classzone_idx)
+ unsigned int highest_zoneidx)
{
long remaining = 0;
DEFINE_WAIT(wait);
@@ -3789,7 +3780,7 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_o
* eligible zone balanced that it's also unlikely that compaction will
* succeed.
*/
- if (prepare_kswapd_sleep(pgdat, reclaim_order, classzone_idx)) {
+ if (prepare_kswapd_sleep(pgdat, reclaim_order, highest_zoneidx)) {
/*
* Compaction records what page blocks it recently failed to
* isolate pages from and skips them in the future scanning.
@@ -3802,18 +3793,19 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_o
* We have freed the memory, now we should compact it to make
* allocation of the requested order possible.
*/
- wakeup_kcompactd(pgdat, alloc_order, classzone_idx);
+ wakeup_kcompactd(pgdat, alloc_order, highest_zoneidx);
remaining = schedule_timeout(HZ/10);
/*
- * If woken prematurely then reset kswapd_classzone_idx and
+ * If woken prematurely then reset kswapd_highest_zoneidx and
* order. The values will either be from a wakeup request or
* the previous request that slept prematurely.
*/
if (remaining) {
- WRITE_ONCE(pgdat->kswapd_classzone_idx,
- kswapd_classzone_idx(pgdat, classzone_idx));
+ WRITE_ONCE(pgdat->kswapd_highest_zoneidx,
+ kswapd_highest_zoneidx(pgdat,
+ highest_zoneidx));
if (READ_ONCE(pgdat->kswapd_order) < reclaim_order)
WRITE_ONCE(pgdat->kswapd_order, reclaim_order);
@@ -3828,7 +3820,7 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_o
* go fully to sleep until explicitly woken up.
*/
if (!remaining &&
- prepare_kswapd_sleep(pgdat, reclaim_order, classzone_idx)) {
+ prepare_kswapd_sleep(pgdat, reclaim_order, highest_zoneidx)) {
trace_mm_vmscan_kswapd_sleep(pgdat->node_id);
/*
@@ -3870,7 +3862,7 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_o
static int kswapd(void *p)
{
unsigned int alloc_order, reclaim_order;
- unsigned int classzone_idx = MAX_NR_ZONES - 1;
+ unsigned int highest_zoneidx = MAX_NR_ZONES - 1;
pg_data_t *pgdat = (pg_data_t*)p;
struct task_struct *tsk = current;
const struct cpumask *cpumask = cpumask_of_node(pgdat->node_id);
@@ -3894,22 +3886,24 @@ static int kswapd(void *p)
set_freezable();
WRITE_ONCE(pgdat->kswapd_order, 0);
- WRITE_ONCE(pgdat->kswapd_classzone_idx, MAX_NR_ZONES);
+ WRITE_ONCE(pgdat->kswapd_highest_zoneidx, MAX_NR_ZONES);
for ( ; ; ) {
bool ret;
alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order);
- classzone_idx = kswapd_classzone_idx(pgdat, classzone_idx);
+ highest_zoneidx = kswapd_highest_zoneidx(pgdat,
+ highest_zoneidx);
kswapd_try_sleep:
kswapd_try_to_sleep(pgdat, alloc_order, reclaim_order,
- classzone_idx);
+ highest_zoneidx);
- /* Read the new order and classzone_idx */
+ /* Read the new order and highest_zoneidx */
alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order);
- classzone_idx = kswapd_classzone_idx(pgdat, classzone_idx);
+ highest_zoneidx = kswapd_highest_zoneidx(pgdat,
+ highest_zoneidx);
WRITE_ONCE(pgdat->kswapd_order, 0);
- WRITE_ONCE(pgdat->kswapd_classzone_idx, MAX_NR_ZONES);
+ WRITE_ONCE(pgdat->kswapd_highest_zoneidx, MAX_NR_ZONES);
ret = try_to_freeze();
if (kthread_should_stop())
@@ -3930,9 +3924,10 @@ kswapd_try_sleep:
* but kcompactd is woken to compact for the original
* request (alloc_order).
*/
- trace_mm_vmscan_kswapd_wake(pgdat->node_id, classzone_idx,
+ trace_mm_vmscan_kswapd_wake(pgdat->node_id, highest_zoneidx,
alloc_order);
- reclaim_order = balance_pgdat(pgdat, alloc_order, classzone_idx);
+ reclaim_order = balance_pgdat(pgdat, alloc_order,
+ highest_zoneidx);
if (reclaim_order < alloc_order)
goto kswapd_try_sleep;
}
@@ -3950,7 +3945,7 @@ kswapd_try_sleep:
* needed.
*/
void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order,
- enum zone_type classzone_idx)
+ enum zone_type highest_zoneidx)
{
pg_data_t *pgdat;
enum zone_type curr_idx;
@@ -3962,10 +3957,10 @@ void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order,
return;
pgdat = zone->zone_pgdat;
- curr_idx = READ_ONCE(pgdat->kswapd_classzone_idx);
+ curr_idx = READ_ONCE(pgdat->kswapd_highest_zoneidx);
- if (curr_idx == MAX_NR_ZONES || curr_idx < classzone_idx)
- WRITE_ONCE(pgdat->kswapd_classzone_idx, classzone_idx);
+ if (curr_idx == MAX_NR_ZONES || curr_idx < highest_zoneidx)
+ WRITE_ONCE(pgdat->kswapd_highest_zoneidx, highest_zoneidx);
if (READ_ONCE(pgdat->kswapd_order) < order)
WRITE_ONCE(pgdat->kswapd_order, order);
@@ -3975,8 +3970,8 @@ void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order,
/* Hopeless node, leave it to direct reclaim if possible */
if (pgdat->kswapd_failures >= MAX_RECLAIM_RETRIES ||
- (pgdat_balanced(pgdat, order, classzone_idx) &&
- !pgdat_watermark_boosted(pgdat, classzone_idx))) {
+ (pgdat_balanced(pgdat, order, highest_zoneidx) &&
+ !pgdat_watermark_boosted(pgdat, highest_zoneidx))) {
/*
* There may be plenty of free memory available, but it's too
* fragmented for high-order allocations. Wake up kcompactd
@@ -3985,11 +3980,11 @@ void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order,
* ratelimit its work.
*/
if (!(gfp_flags & __GFP_DIRECT_RECLAIM))
- wakeup_kcompactd(pgdat, order, classzone_idx);
+ wakeup_kcompactd(pgdat, order, highest_zoneidx);
return;
}
- trace_mm_vmscan_wakeup_kswapd(pgdat->node_id, classzone_idx, order,
+ trace_mm_vmscan_wakeup_kswapd(pgdat->node_id, highest_zoneidx, order,
gfp_flags);
wake_up_interruptible(&pgdat->kswapd_wait);
}
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 96d21a792b57..a7db29f7e5f7 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -76,7 +76,7 @@ static void invalid_numa_statistics(void)
static DEFINE_MUTEX(vm_numa_stat_lock);
int sysctl_vm_numa_stat_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *length, loff_t *ppos)
+ void *buffer, size_t *length, loff_t *ppos)
{
int ret, oldval;
@@ -1108,7 +1108,7 @@ int fragmentation_index(struct zone *zone, unsigned int order)
TEXT_FOR_HIGHMEM(xx) xx "_movable",
const char * const vmstat_text[] = {
- /* enum zone_stat_item countes */
+ /* enum zone_stat_item counters */
"nr_free_pages",
"nr_zone_inactive_anon",
"nr_zone_active_anon",
@@ -1119,6 +1119,9 @@ const char * const vmstat_text[] = {
"nr_mlock",
"nr_page_table_pages",
"nr_kernel_stack",
+#if IS_ENABLED(CONFIG_SHADOW_CALL_STACK)
+ "nr_shadow_call_stack",
+#endif
"nr_bounce",
#if IS_ENABLED(CONFIG_ZSMALLOC)
"nr_zspages",
@@ -1162,7 +1165,6 @@ const char * const vmstat_text[] = {
"nr_file_hugepages",
"nr_file_pmdmapped",
"nr_anon_transparent_hugepages",
- "nr_unstable",
"nr_vmscan_write",
"nr_vmscan_immediate_reclaim",
"nr_dirtied",
@@ -1201,6 +1203,10 @@ const char * const vmstat_text[] = {
"pgscan_kswapd",
"pgscan_direct",
"pgscan_direct_throttle",
+ "pgscan_anon",
+ "pgscan_file",
+ "pgsteal_anon",
+ "pgsteal_file",
#ifdef CONFIG_NUMA
"zone_reclaim_failed",
@@ -1590,6 +1596,12 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
zone->present_pages,
zone_managed_pages(zone));
+ /* If unpopulated, no other information is useful */
+ if (!populated_zone(zone)) {
+ seq_putc(m, '\n');
+ return;
+ }
+
seq_printf(m,
"\n protection: (%ld",
zone->lowmem_reserve[0]);
@@ -1597,12 +1609,6 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
seq_printf(m, ", %ld", zone->lowmem_reserve[i]);
seq_putc(m, ')');
- /* If unpopulated, no other information is useful */
- if (!populated_zone(zone)) {
- seq_putc(m, '\n');
- return;
- }
-
for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
seq_printf(m, "\n %-12s %lu", zone_stat_name(i),
zone_page_state(zone, i));
@@ -1723,6 +1729,14 @@ static int vmstat_show(struct seq_file *m, void *arg)
seq_puts(m, vmstat_text[off]);
seq_put_decimal_ull(m, " ", *l);
seq_putc(m, '\n');
+
+ if (off == NR_VMSTAT_ITEMS - 1) {
+ /*
+ * We've come to the end - add any deprecated counters to avoid
+ * breaking userspace which might depend on them being present.
+ */
+ seq_puts(m, "nr_unstable 0\n");
+ }
return 0;
}
@@ -1751,7 +1765,7 @@ static void refresh_vm_stats(struct work_struct *work)
}
int vmstat_refresh(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
long val;
int err;
diff --git a/mm/workingset.c b/mm/workingset.c
index 474186b76ced..d481ea452eeb 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -277,8 +277,8 @@ void workingset_refault(struct page *page, void *shadow)
struct mem_cgroup *eviction_memcg;
struct lruvec *eviction_lruvec;
unsigned long refault_distance;
+ unsigned long workingset_size;
struct pglist_data *pgdat;
- unsigned long active_file;
struct mem_cgroup *memcg;
unsigned long eviction;
struct lruvec *lruvec;
@@ -310,7 +310,6 @@ void workingset_refault(struct page *page, void *shadow)
goto out;
eviction_lruvec = mem_cgroup_lruvec(eviction_memcg, pgdat);
refault = atomic_long_read(&eviction_lruvec->inactive_age);
- active_file = lruvec_page_state(eviction_lruvec, NR_ACTIVE_FILE);
/*
* Calculate the refault distance
@@ -345,10 +344,18 @@ void workingset_refault(struct page *page, void *shadow)
/*
* Compare the distance to the existing workingset size. We
- * don't act on pages that couldn't stay resident even if all
- * the memory was available to the page cache.
+ * don't activate pages that couldn't stay resident even if
+ * all the memory was available to the page cache. Whether
+ * cache can compete with anon or not depends on having swap.
*/
- if (refault_distance > active_file)
+ workingset_size = lruvec_page_state(eviction_lruvec, NR_ACTIVE_FILE);
+ if (mem_cgroup_get_nr_swap_pages(memcg) > 0) {
+ workingset_size += lruvec_page_state(eviction_lruvec,
+ NR_INACTIVE_ANON);
+ workingset_size += lruvec_page_state(eviction_lruvec,
+ NR_ACTIVE_ANON);
+ }
+ if (refault_distance > workingset_size)
goto out;
SetPageActive(page);
@@ -358,6 +365,10 @@ void workingset_refault(struct page *page, void *shadow)
/* Page was active prior to eviction */
if (workingset) {
SetPageWorkingset(page);
+ /* XXX: Move to lru_cache_add() when it supports new vs putback */
+ spin_lock_irq(&page_pgdat(page)->lru_lock);
+ lru_note_cost_page(page);
+ spin_unlock_irq(&page_pgdat(page)->lru_lock);
inc_lruvec_state(lruvec, WORKINGSET_RESTORE);
}
out:
diff --git a/mm/z3fold.c b/mm/z3fold.c
index 42f31c4b53ad..460b0feced26 100644
--- a/mm/z3fold.c
+++ b/mm/z3fold.c
@@ -43,6 +43,7 @@
#include <linux/spinlock.h>
#include <linux/zpool.h>
#include <linux/magic.h>
+#include <linux/kmemleak.h>
/*
* NCHUNKS_ORDER determines the internal allocation granularity, effectively
@@ -215,6 +216,8 @@ static inline struct z3fold_buddy_slots *alloc_slots(struct z3fold_pool *pool,
(gfp & ~(__GFP_HIGHMEM | __GFP_MOVABLE)));
if (slots) {
+ /* It will be freed separately in free_handle(). */
+ kmemleak_not_leak(slots);
memset(slots->slot, 0, sizeof(slots->slot));
slots->pool = (unsigned long)pool;
rwlock_init(&slots->lock);
@@ -318,16 +321,16 @@ static inline void free_handle(unsigned long handle)
slots = handle_to_slots(handle);
write_lock(&slots->lock);
*(unsigned long *)handle = 0;
- write_unlock(&slots->lock);
- if (zhdr->slots == slots)
+ if (zhdr->slots == slots) {
+ write_unlock(&slots->lock);
return; /* simple case, nothing else to do */
+ }
/* we are freeing a foreign handle if we are here */
zhdr->foreign_handles--;
is_free = true;
- read_lock(&slots->lock);
if (!test_bit(HANDLES_ORPHANED, &slots->pool)) {
- read_unlock(&slots->lock);
+ write_unlock(&slots->lock);
return;
}
for (i = 0; i <= BUDDY_MASK; i++) {
@@ -336,7 +339,7 @@ static inline void free_handle(unsigned long handle)
break;
}
}
- read_unlock(&slots->lock);
+ write_unlock(&slots->lock);
if (is_free) {
struct z3fold_pool *pool = slots_to_pool(slots);
@@ -422,6 +425,7 @@ static struct z3fold_header *init_z3fold_page(struct page *page, bool headless,
zhdr->start_middle = 0;
zhdr->cpu = -1;
zhdr->foreign_handles = 0;
+ zhdr->mapped_count = 0;
zhdr->slots = slots;
zhdr->pool = pool;
INIT_LIST_HEAD(&zhdr->buddy);
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 2f836a2b993f..f6dc0673e62c 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -293,7 +293,7 @@ struct zspage {
};
struct mapping_area {
-#ifdef CONFIG_PGTABLE_MAPPING
+#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING
struct vm_struct *vm; /* vm area for mapping object that span pages */
#else
char *vm_buf; /* copy buffer for objects that span pages */
@@ -1113,7 +1113,7 @@ static struct zspage *find_get_zspage(struct size_class *class)
return zspage;
}
-#ifdef CONFIG_PGTABLE_MAPPING
+#ifdef CONFIG_ZSMALLOC_PGTABLE_MAPPING
static inline int __zs_cpu_up(struct mapping_area *area)
{
/*
@@ -1138,7 +1138,9 @@ static inline void __zs_cpu_down(struct mapping_area *area)
static inline void *__zs_map_object(struct mapping_area *area,
struct page *pages[2], int off, int size)
{
- BUG_ON(map_vm_area(area->vm, PAGE_KERNEL, pages));
+ unsigned long addr = (unsigned long)area->vm->addr;
+
+ BUG_ON(map_kernel_range(addr, PAGE_SIZE * 2, PAGE_KERNEL, pages) < 0);
area->vm_addr = area->vm->addr;
return area->vm_addr + off;
}
@@ -1151,7 +1153,7 @@ static inline void __zs_unmap_object(struct mapping_area *area,
unmap_kernel_range(addr, PAGE_SIZE * 2);
}
-#else /* CONFIG_PGTABLE_MAPPING */
+#else /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */
static inline int __zs_cpu_up(struct mapping_area *area)
{
@@ -1233,7 +1235,7 @@ out:
pagefault_enable();
}
-#endif /* CONFIG_PGTABLE_MAPPING */
+#endif /* CONFIG_ZSMALLOC_PGTABLE_MAPPING */
static int zs_cpu_prepare(unsigned int cpu)
{
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 990b9fde28c6..f00bb57f0f60 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -88,12 +88,11 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
static inline netdev_tx_t vlan_netpoll_send_skb(struct vlan_dev_priv *vlan, struct sk_buff *skb)
{
#ifdef CONFIG_NET_POLL_CONTROLLER
- if (vlan->netpoll)
- netpoll_send_skb(vlan->netpoll, skb);
+ return netpoll_send_skb(vlan->netpoll, skb);
#else
BUG();
-#endif
return NETDEV_TX_OK;
+#endif
}
static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
@@ -489,6 +488,25 @@ static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
}
+/*
+ * vlan network devices have devices nesting below it, and are a special
+ * "super class" of normal network devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key vlan_netdev_xmit_lock_key;
+
+static void vlan_dev_set_lockdep_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &vlan_netdev_xmit_lock_key);
+}
+
+static void vlan_dev_set_lockdep_class(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, NULL);
+}
+
static const struct header_ops vlan_header_ops = {
.create = vlan_dev_hard_header,
.parse = eth_header_parse,
@@ -579,6 +597,8 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
+ vlan_dev_set_lockdep_class(dev);
+
vlan->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan->vlan_pcpu_stats)
return -ENOMEM;
diff --git a/net/Kconfig b/net/Kconfig
index df8d8c9bd021..5c524c6ee75d 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -86,7 +86,7 @@ config INET
"Sysctl support" below, you can change various aspects of the
behavior of the TCP/IP code by writing to the (virtual) files in
/proc/sys/net/ipv4/*; the options are explained in the file
- <file:Documentation/networking/ip-sysctl.txt>.
+ <file:Documentation/networking/ip-sysctl.rst>.
Short answer: say Y.
@@ -344,7 +344,7 @@ config NET_PKTGEN
what was just said, you don't need it: say N.
Documentation on how to use the packet generator can be found
- at <file:Documentation/networking/pktgen.txt>.
+ at <file:Documentation/networking/pktgen.rst>.
To compile this code as a module, choose M here: the
module will be called pktgen.
@@ -455,6 +455,7 @@ config FAILOVER
config ETHTOOL_NETLINK
bool "Netlink interface for ethtool"
default y
+ depends on PHYLIB=y || PHYLIB=n
help
An alternative userspace interface for ethtool based on generic
netlink. It provides better extensibility and some new features,
diff --git a/net/Makefile b/net/Makefile
index 07ea48160874..5744bf1997fd 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -6,7 +6,7 @@
# Rewritten to use lists instead of if-statements.
#
-obj-$(CONFIG_NET) := socket.o core/
+obj-$(CONFIG_NET) := devres.o socket.o core/
tmp-$(CONFIG_COMPAT) := compat.o
obj-$(CONFIG_NET) += $(tmp-y)
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index b41375d4d295..15787e8c0629 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -57,6 +57,7 @@
#include <net/sock.h>
#include <net/tcp_states.h>
#include <net/route.h>
+#include <net/compat.h>
#include <linux/atalk.h>
#include <linux/highmem.h>
@@ -867,6 +868,24 @@ static int atif_ioctl(int cmd, void __user *arg)
return copy_to_user(arg, &atreq, sizeof(atreq)) ? -EFAULT : 0;
}
+static int atrtr_ioctl_addrt(struct rtentry *rt)
+{
+ struct net_device *dev = NULL;
+
+ if (rt->rt_dev) {
+ char name[IFNAMSIZ];
+
+ if (copy_from_user(name, rt->rt_dev, IFNAMSIZ-1))
+ return -EFAULT;
+ name[IFNAMSIZ-1] = '\0';
+
+ dev = __dev_get_by_name(&init_net, name);
+ if (!dev)
+ return -ENODEV;
+ }
+ return atrtr_create(rt, dev);
+}
+
/* Routing ioctl() calls */
static int atrtr_ioctl(unsigned int cmd, void __user *arg)
{
@@ -882,19 +901,8 @@ static int atrtr_ioctl(unsigned int cmd, void __user *arg)
return atrtr_delete(&((struct sockaddr_at *)
&rt.rt_dst)->sat_addr);
- case SIOCADDRT: {
- struct net_device *dev = NULL;
- if (rt.rt_dev) {
- char name[IFNAMSIZ];
- if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
- return -EFAULT;
- name[IFNAMSIZ-1] = '\0';
- dev = __dev_get_by_name(&init_net, name);
- if (!dev)
- return -ENODEV;
- }
- return atrtr_create(&rt, dev);
- }
+ case SIOCADDRT:
+ return atrtr_ioctl_addrt(&rt);
}
return -EINVAL;
}
@@ -1832,20 +1840,58 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
#ifdef CONFIG_COMPAT
+static int atalk_compat_routing_ioctl(struct sock *sk, unsigned int cmd,
+ struct compat_rtentry __user *ur)
+{
+ compat_uptr_t rtdev;
+ struct rtentry rt;
+
+ if (copy_from_user(&rt.rt_dst, &ur->rt_dst,
+ 3 * sizeof(struct sockaddr)) ||
+ get_user(rt.rt_flags, &ur->rt_flags) ||
+ get_user(rt.rt_metric, &ur->rt_metric) ||
+ get_user(rt.rt_mtu, &ur->rt_mtu) ||
+ get_user(rt.rt_window, &ur->rt_window) ||
+ get_user(rt.rt_irtt, &ur->rt_irtt) ||
+ get_user(rtdev, &ur->rt_dev))
+ return -EFAULT;
+
+ switch (cmd) {
+ case SIOCDELRT:
+ if (rt.rt_dst.sa_family != AF_APPLETALK)
+ return -EINVAL;
+ return atrtr_delete(&((struct sockaddr_at *)
+ &rt.rt_dst)->sat_addr);
+
+ case SIOCADDRT:
+ rt.rt_dev = compat_ptr(rtdev);
+ return atrtr_ioctl_addrt(&rt);
+ default:
+ return -EINVAL;
+ }
+}
static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
+ void __user *argp = compat_ptr(arg);
+ struct sock *sk = sock->sk;
+
+ switch (cmd) {
+ case SIOCADDRT:
+ case SIOCDELRT:
+ return atalk_compat_routing_ioctl(sk, cmd, argp);
/*
* SIOCATALKDIFADDR is a SIOCPROTOPRIVATE ioctl number, so we
* cannot handle it in common code. The data we access if ifreq
* here is compatible, so we can simply call the native
* handler.
*/
- if (cmd == SIOCATALKDIFADDR)
- return atalk_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
-
- return -ENOIOCTLCMD;
+ case SIOCATALKDIFADDR:
+ return atalk_ioctl(sock, cmd, (unsigned long)argp);
+ default:
+ return -ENOIOCTLCMD;
+ }
}
-#endif
+#endif /* CONFIG_COMPAT */
static const struct net_proto_family atalk_family_ops = {
diff --git a/net/atm/Kconfig b/net/atm/Kconfig
index 271f682e8438..e61dcc9f85b2 100644
--- a/net/atm/Kconfig
+++ b/net/atm/Kconfig
@@ -16,7 +16,7 @@ config ATM
of your ATM card below.
Note that you need a set of user-space programs to actually make use
- of ATM. See the file <file:Documentation/networking/atm.txt> for
+ of ATM. See the file <file:Documentation/networking/atm.rst> for
further details.
config ATM_CLIP
diff --git a/net/atm/common.c b/net/atm/common.c
index 0ce530af534d..8575f5d52087 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -177,18 +177,18 @@ static void vcc_destroy_socket(struct sock *sk)
set_bit(ATM_VF_CLOSE, &vcc->flags);
clear_bit(ATM_VF_READY, &vcc->flags);
- if (vcc->dev) {
- if (vcc->dev->ops->close)
- vcc->dev->ops->close(vcc);
- if (vcc->push)
- vcc->push(vcc, NULL); /* atmarpd has no push */
- module_put(vcc->owner);
-
- while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
- atm_return(vcc, skb->truesize);
- kfree_skb(skb);
- }
+ if (vcc->dev && vcc->dev->ops->close)
+ vcc->dev->ops->close(vcc);
+ if (vcc->push)
+ vcc->push(vcc, NULL); /* atmarpd has no push */
+ module_put(vcc->owner);
+
+ while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
+ atm_return(vcc, skb->truesize);
+ kfree_skb(skb);
+ }
+ if (vcc->dev && vcc->dev->ops->owner) {
module_put(vcc->dev->ops->owner);
atm_dev_put(vcc->dev);
}
diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index d955b683aa7c..838ebf0cabbf 100644
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -56,6 +56,8 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
int error;
struct list_head *pos;
void __user *argp = (void __user *)arg;
+ void __user *buf;
+ int __user *len;
vcc = ATM_SD(sock);
switch (cmd) {
@@ -162,7 +164,49 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
if (error != -ENOIOCTLCMD)
goto done;
- error = atm_dev_ioctl(cmd, argp, compat);
+ if (cmd == ATM_GETNAMES) {
+ if (IS_ENABLED(CONFIG_COMPAT) && compat) {
+#ifdef CONFIG_COMPAT
+ struct compat_atm_iobuf __user *ciobuf = argp;
+ compat_uptr_t cbuf;
+ len = &ciobuf->length;
+ if (get_user(cbuf, &ciobuf->buffer))
+ return -EFAULT;
+ buf = compat_ptr(cbuf);
+#endif
+ } else {
+ struct atm_iobuf __user *iobuf = argp;
+ len = &iobuf->length;
+ if (get_user(buf, &iobuf->buffer))
+ return -EFAULT;
+ }
+ error = atm_getnames(buf, len);
+ } else {
+ int number;
+
+ if (IS_ENABLED(CONFIG_COMPAT) && compat) {
+#ifdef CONFIG_COMPAT
+ struct compat_atmif_sioc __user *csioc = argp;
+ compat_uptr_t carg;
+
+ len = &csioc->length;
+ if (get_user(carg, &csioc->arg))
+ return -EFAULT;
+ buf = compat_ptr(carg);
+ if (get_user(number, &csioc->number))
+ return -EFAULT;
+#endif
+ } else {
+ struct atmif_sioc __user *sioc = argp;
+
+ len = &sioc->length;
+ if (get_user(buf, &sioc->arg))
+ return -EFAULT;
+ if (get_user(number, &sioc->number))
+ return -EFAULT;
+ }
+ error = atm_dev_ioctl(cmd, buf, len, number, compat);
+ }
done:
return error;
@@ -230,61 +274,25 @@ static struct {
static int do_atm_iobuf(struct socket *sock, unsigned int cmd,
unsigned long arg)
{
- struct atm_iobuf __user *iobuf;
- struct compat_atm_iobuf __user *iobuf32;
+ struct compat_atm_iobuf __user *iobuf32 = compat_ptr(arg);
u32 data;
- void __user *datap;
- int len, err;
-
- iobuf = compat_alloc_user_space(sizeof(*iobuf));
- iobuf32 = compat_ptr(arg);
- if (get_user(len, &iobuf32->length) ||
- get_user(data, &iobuf32->buffer))
+ if (get_user(data, &iobuf32->buffer))
return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(len, &iobuf->length) ||
- put_user(datap, &iobuf->buffer))
- return -EFAULT;
-
- err = do_vcc_ioctl(sock, cmd, (unsigned long) iobuf, 0);
- if (!err) {
- if (copy_in_user(&iobuf32->length, &iobuf->length,
- sizeof(int)))
- err = -EFAULT;
- }
-
- return err;
+ return atm_getnames(&iobuf32->length, compat_ptr(data));
}
static int do_atmif_sioc(struct socket *sock, unsigned int cmd,
unsigned long arg)
{
- struct atmif_sioc __user *sioc;
- struct compat_atmif_sioc __user *sioc32;
+ struct compat_atmif_sioc __user *sioc32 = compat_ptr(arg);
+ int number;
u32 data;
- void __user *datap;
- int err;
-
- sioc = compat_alloc_user_space(sizeof(*sioc));
- sioc32 = compat_ptr(arg);
- if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
- get_user(data, &sioc32->arg))
+ if (get_user(data, &sioc32->arg) || get_user(number, &sioc32->number))
return -EFAULT;
- datap = compat_ptr(data);
- if (put_user(datap, &sioc->arg))
- return -EFAULT;
-
- err = do_vcc_ioctl(sock, cmd, (unsigned long) sioc, 0);
-
- if (!err) {
- if (copy_in_user(&sioc32->length, &sioc->length,
- sizeof(int)))
- err = -EFAULT;
- }
- return err;
+ return atm_dev_ioctl(cmd, compat_ptr(data), &sioc32->length, number, 0);
}
static int do_atm_ioctl(struct socket *sock, unsigned int cmd32,
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 25fa3a7b72bd..ca37f5a71f5e 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1264,6 +1264,12 @@ static void lec_arp_clear_vccs(struct lec_arp_table *entry)
entry->vcc = NULL;
}
if (entry->recv_vcc) {
+ struct atm_vcc *vcc = entry->recv_vcc;
+ struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc);
+
+ kfree(vpriv);
+ vcc->user_back = NULL;
+
entry->recv_vcc->push = entry->old_recv_push;
vcc_release_async(entry->recv_vcc, -EPIPE);
entry->recv_vcc = NULL;
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 889349c6d90d..94bdc6527ee8 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -193,88 +193,48 @@ static int fetch_stats(struct atm_dev *dev, struct atm_dev_stats __user *arg,
return error ? -EFAULT : 0;
}
-int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat)
+int atm_getnames(void __user *buf, int __user *iobuf_len)
{
- void __user *buf;
- int error, len, number, size = 0;
+ int error, len, size = 0;
struct atm_dev *dev;
struct list_head *p;
int *tmp_buf, *tmp_p;
- int __user *sioc_len;
- int __user *iobuf_len;
- switch (cmd) {
- case ATM_GETNAMES:
- if (IS_ENABLED(CONFIG_COMPAT) && compat) {
-#ifdef CONFIG_COMPAT
- struct compat_atm_iobuf __user *ciobuf = arg;
- compat_uptr_t cbuf;
- iobuf_len = &ciobuf->length;
- if (get_user(cbuf, &ciobuf->buffer))
- return -EFAULT;
- buf = compat_ptr(cbuf);
-#endif
- } else {
- struct atm_iobuf __user *iobuf = arg;
- iobuf_len = &iobuf->length;
- if (get_user(buf, &iobuf->buffer))
- return -EFAULT;
- }
- if (get_user(len, iobuf_len))
- return -EFAULT;
- mutex_lock(&atm_dev_mutex);
- list_for_each(p, &atm_devs)
- size += sizeof(int);
- if (size > len) {
- mutex_unlock(&atm_dev_mutex);
- return -E2BIG;
- }
- tmp_buf = kmalloc(size, GFP_ATOMIC);
- if (!tmp_buf) {
- mutex_unlock(&atm_dev_mutex);
- return -ENOMEM;
- }
- tmp_p = tmp_buf;
- list_for_each(p, &atm_devs) {
- dev = list_entry(p, struct atm_dev, dev_list);
- *tmp_p++ = dev->number;
- }
+ if (get_user(len, iobuf_len))
+ return -EFAULT;
+ mutex_lock(&atm_dev_mutex);
+ list_for_each(p, &atm_devs)
+ size += sizeof(int);
+ if (size > len) {
mutex_unlock(&atm_dev_mutex);
- error = ((copy_to_user(buf, tmp_buf, size)) ||
- put_user(size, iobuf_len))
- ? -EFAULT : 0;
- kfree(tmp_buf);
- return error;
- default:
- break;
+ return -E2BIG;
}
-
- if (IS_ENABLED(CONFIG_COMPAT) && compat) {
-#ifdef CONFIG_COMPAT
- struct compat_atmif_sioc __user *csioc = arg;
- compat_uptr_t carg;
-
- sioc_len = &csioc->length;
- if (get_user(carg, &csioc->arg))
- return -EFAULT;
- buf = compat_ptr(carg);
-
- if (get_user(len, &csioc->length))
- return -EFAULT;
- if (get_user(number, &csioc->number))
- return -EFAULT;
-#endif
- } else {
- struct atmif_sioc __user *sioc = arg;
-
- sioc_len = &sioc->length;
- if (get_user(buf, &sioc->arg))
- return -EFAULT;
- if (get_user(len, &sioc->length))
- return -EFAULT;
- if (get_user(number, &sioc->number))
- return -EFAULT;
+ tmp_buf = kmalloc(size, GFP_ATOMIC);
+ if (!tmp_buf) {
+ mutex_unlock(&atm_dev_mutex);
+ return -ENOMEM;
+ }
+ tmp_p = tmp_buf;
+ list_for_each(p, &atm_devs) {
+ dev = list_entry(p, struct atm_dev, dev_list);
+ *tmp_p++ = dev->number;
}
+ mutex_unlock(&atm_dev_mutex);
+ error = ((copy_to_user(buf, tmp_buf, size)) ||
+ put_user(size, iobuf_len))
+ ? -EFAULT : 0;
+ kfree(tmp_buf);
+ return error;
+}
+
+int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
+ int number, int compat)
+{
+ int error, len, size = 0;
+ struct atm_dev *dev;
+
+ if (get_user(len, sioc_len))
+ return -EFAULT;
dev = try_then_request_module(atm_dev_lookup(number), "atm-device-%d",
number);
diff --git a/net/atm/resources.h b/net/atm/resources.h
index 048232e4d4c6..4a0839e92ff3 100644
--- a/net/atm/resources.h
+++ b/net/atm/resources.h
@@ -14,8 +14,9 @@
extern struct list_head atm_devs;
extern struct mutex atm_dev_mutex;
-int atm_dev_ioctl(unsigned int cmd, void __user *arg, int compat);
-
+int atm_getnames(void __user *buf, int __user *iobuf_len);
+int atm_dev_ioctl(unsigned int cmd, void __user *buf, int __user *sioc_len,
+ int number, int compat);
#ifdef CONFIG_PROC_FS
diff --git a/net/ax25/Kconfig b/net/ax25/Kconfig
index 043fd5437809..97d686d115c0 100644
--- a/net/ax25/Kconfig
+++ b/net/ax25/Kconfig
@@ -40,7 +40,7 @@ config AX25
radio as well as information about how to configure an AX.25 port is
contained in the AX25-HOWTO, available from
<http://www.tldp.org/docs.html#howto>. You might also want to
- check out the file <file:Documentation/networking/ax25.txt> in the
+ check out the file <file:Documentation/networking/ax25.rst> in the
kernel source. More information about digital amateur radio in
general is on the WWW at
<http://www.tapr.org/>.
@@ -88,7 +88,7 @@ config NETROM
users as well as information about how to configure an AX.25 port is
contained in the Linux Ham Wiki, available from
<http://www.linux-ax25.org>. You also might want to check out the
- file <file:Documentation/networking/ax25.txt>. More information about
+ file <file:Documentation/networking/ax25.rst>. More information about
digital amateur radio in general is on the WWW at
<http://www.tapr.org/>.
@@ -107,7 +107,7 @@ config ROSE
users as well as information about how to configure an AX.25 port is
contained in the Linux Ham Wiki, available from
<http://www.linux-ax25.org>. You also might want to check out the
- file <file:Documentation/networking/ax25.txt>. More information about
+ file <file:Documentation/networking/ax25.rst>. More information about
digital amateur radio in general is on the WWW at
<http://www.tapr.org/>.
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index ff57ea89c27e..fd91cd34f25e 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -635,8 +635,10 @@ static int ax25_setsockopt(struct socket *sock, int level, int optname,
break;
case SO_BINDTODEVICE:
- if (optlen > IFNAMSIZ)
- optlen = IFNAMSIZ;
+ if (optlen > IFNAMSIZ - 1)
+ optlen = IFNAMSIZ - 1;
+
+ memset(devname, 0, sizeof(devname));
if (copy_from_user(devname, optval, optlen)) {
res = -EFAULT;
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index a7c8dd7ae513..e87f19c82e8d 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -280,7 +280,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv)
unsigned int msecs;
msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
- msecs += prandom_u32() % (2 * BATADV_JITTER);
+ msecs += prandom_u32_max(2 * BATADV_JITTER);
return jiffies + msecs_to_jiffies(msecs);
}
@@ -288,7 +288,7 @@ batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv)
/* when do we schedule a ogm packet to be sent */
static unsigned long batadv_iv_ogm_fwd_send_time(void)
{
- return jiffies + msecs_to_jiffies(prandom_u32() % (BATADV_JITTER / 2));
+ return jiffies + msecs_to_jiffies(prandom_u32_max(BATADV_JITTER / 2));
}
/* apply hop penalty for a normal link */
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 1e3172db7492..0bdefa35da98 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -49,7 +49,7 @@ static void batadv_v_elp_start_timer(struct batadv_hard_iface *hard_iface)
unsigned int msecs;
msecs = atomic_read(&hard_iface->bat_v.elp_interval) - BATADV_JITTER;
- msecs += prandom_u32() % (2 * BATADV_JITTER);
+ msecs += prandom_u32_max(2 * BATADV_JITTER);
queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.elp_wq,
msecs_to_jiffies(msecs));
@@ -127,20 +127,7 @@ static u32 batadv_v_elp_get_throughput(struct batadv_hardif_neigh_node *neigh)
rtnl_lock();
ret = __ethtool_get_link_ksettings(hard_iface->net_dev, &link_settings);
rtnl_unlock();
-
- /* Virtual interface drivers such as tun / tap interfaces, VLAN, etc
- * tend to initialize the interface throughput with some value for the
- * sake of having a throughput number to export via ethtool. This
- * exported throughput leaves batman-adv to conclude the interface
- * throughput is genuine (reflecting reality), thus no measurements
- * are necessary.
- *
- * Based on the observation that those interface types also tend to set
- * the link auto-negotiation to 'off', batman-adv shall check this
- * setting to differentiate between genuine link throughput information
- * and placeholders installed by virtual interfaces.
- */
- if (ret == 0 && link_settings.base.autoneg == AUTONEG_ENABLE) {
+ if (ret == 0) {
/* link characteristics might change over time */
if (link_settings.base.duplex == DUPLEX_FULL)
hard_iface->bat_v.flags |= BATADV_FULL_DUPLEX;
diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
index 969466218999..18028b9f95f0 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -88,7 +88,7 @@ static void batadv_v_ogm_start_queue_timer(struct batadv_hard_iface *hard_iface)
unsigned int msecs = BATADV_MAX_AGGREGATION_MS * 1000;
/* msecs * [0.9, 1.1] */
- msecs += prandom_u32() % (msecs / 5) - (msecs / 10);
+ msecs += prandom_u32_max(msecs / 5) - (msecs / 10);
queue_delayed_work(batadv_event_workqueue, &hard_iface->bat_v.aggr_wq,
msecs_to_jiffies(msecs / 1000));
}
@@ -107,7 +107,7 @@ static void batadv_v_ogm_start_timer(struct batadv_priv *bat_priv)
return;
msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
- msecs += prandom_u32() % (2 * BATADV_JITTER);
+ msecs += prandom_u32_max(2 * BATADV_JITTER);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bat_v.ogm_wq,
msecs_to_jiffies(msecs));
}
@@ -893,7 +893,7 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset,
orig_node = batadv_v_ogm_orig_get(bat_priv, ogm_packet->orig);
if (!orig_node)
- return;
+ goto out;
neigh_node = batadv_neigh_node_get_or_create(orig_node, if_incoming,
ethhdr->h_source);
diff --git a/net/batman-adv/distributed-arp-table.h b/net/batman-adv/distributed-arp-table.h
index 2bff2f4a325c..4e031661682a 100644
--- a/net/batman-adv/distributed-arp-table.h
+++ b/net/batman-adv/distributed-arp-table.h
@@ -163,11 +163,6 @@ static inline void batadv_dat_init_own_addr(struct batadv_priv *bat_priv,
{
}
-static inline void batadv_arp_change_timeout(struct net_device *soft_iface,
- const char *name)
-{
-}
-
static inline int batadv_dat_init(struct batadv_priv *bat_priv)
{
return 0;
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index e22e49289677..a18dcc686dc3 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -146,8 +146,8 @@ static void batadv_gw_select(struct batadv_priv *bat_priv,
if (new_gw_node)
kref_get(&new_gw_node->refcount);
- curr_gw_node = rcu_dereference_protected(bat_priv->gw.curr_gw, 1);
- rcu_assign_pointer(bat_priv->gw.curr_gw, new_gw_node);
+ curr_gw_node = rcu_replace_pointer(bat_priv->gw.curr_gw, new_gw_node,
+ true);
if (curr_gw_node)
batadv_gw_node_put(curr_gw_node);
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index c7e98a40dd33..3a256af92784 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -473,8 +473,8 @@ static void batadv_primary_if_select(struct batadv_priv *bat_priv,
if (new_hard_iface)
kref_get(&new_hard_iface->refcount);
- curr_hard_iface = rcu_dereference_protected(bat_priv->primary_if, 1);
- rcu_assign_pointer(bat_priv->primary_if, new_hard_iface);
+ curr_hard_iface = rcu_replace_pointer(bat_priv->primary_if,
+ new_hard_iface, 1);
if (!new_hard_iface)
goto out;
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c
index ccb535c77e5d..8bdabc03b0b2 100644
--- a/net/batman-adv/icmp_socket.c
+++ b/net/batman-adv/icmp_socket.c
@@ -135,9 +135,6 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf,
if (!buf || count < sizeof(struct batadv_icmp_packet))
return -EINVAL;
- if (!access_ok(buf, count))
- return -EFAULT;
-
error = wait_event_interruptible(socket_client->queue_wait,
socket_client->queue_len);
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 2a234d0ad445..61d8dbe8c954 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -13,7 +13,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2020.1"
+#define BATADV_SOURCE_VERSION "2020.2"
#endif
/* B.A.T.M.A.N. parameters */
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 8f0717c3f7b5..b0469d15da0e 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1009,15 +1009,8 @@ static struct batadv_nc_path *batadv_nc_get_path(struct batadv_priv *bat_priv,
*/
static u8 batadv_nc_random_weight_tq(u8 tq)
{
- u8 rand_val, rand_tq;
-
- get_random_bytes(&rand_val, sizeof(rand_val));
-
/* randomize the estimated packet loss (max TQ - estimated TQ) */
- rand_tq = rand_val * (BATADV_TQ_MAX_VALUE - tq);
-
- /* normalize the randomized packet loss */
- rand_tq /= BATADV_TQ_MAX_VALUE;
+ u8 rand_tq = prandom_u32_max(BATADV_TQ_MAX_VALUE + 1 - tq);
/* convert to (randomized) estimated tq again */
return BATADV_TQ_MAX_VALUE - rand_tq;
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 3632bd976c56..d343382e9664 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -71,13 +71,13 @@ static void _batadv_update_route(struct batadv_priv *bat_priv,
* the code needs to ensure the curr_router variable contains a pointer
* to the replaced best neighbor.
*/
- curr_router = rcu_dereference_protected(orig_ifinfo->router, true);
/* increase refcount of new best neighbor */
if (neigh_node)
kref_get(&neigh_node->refcount);
- rcu_assign_pointer(orig_ifinfo->router, neigh_node);
+ curr_router = rcu_replace_pointer(orig_ifinfo->router, neigh_node,
+ true);
spin_unlock_bh(&orig_node->neigh_list_lock);
batadv_orig_ifinfo_put(orig_ifinfo);
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 5f05a728f347..0ddd80130ea3 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -22,6 +22,7 @@
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/list.h>
+#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/percpu.h>
@@ -739,6 +740,34 @@ static int batadv_interface_kill_vid(struct net_device *dev, __be16 proto,
return 0;
}
+/* batman-adv network devices have devices nesting below it and are a special
+ * "super class" of normal network devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key batadv_netdev_xmit_lock_key;
+
+/**
+ * batadv_set_lockdep_class_one() - Set lockdep class for a single tx queue
+ * @dev: device which owns the tx queue
+ * @txq: tx queue to modify
+ * @_unused: always NULL
+ */
+static void batadv_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &batadv_netdev_xmit_lock_key);
+}
+
+/**
+ * batadv_set_lockdep_class() - Set txq and addr_list lockdep class
+ * @dev: network device to modify
+ */
+static void batadv_set_lockdep_class(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, batadv_set_lockdep_class_one, NULL);
+}
+
/**
* batadv_softif_init_late() - late stage initialization of soft interface
* @dev: registered network device to modify
@@ -752,6 +781,8 @@ static int batadv_softif_init_late(struct net_device *dev)
int ret;
size_t cnt_len = sizeof(u64) * BATADV_CNT_NUM;
+ batadv_set_lockdep_class(dev);
+
bat_priv = netdev_priv(dev);
bat_priv->soft_iface = dev;
diff --git a/net/batman-adv/sysfs.c b/net/batman-adv/sysfs.c
index c45962d8527b..0f962dcd239e 100644
--- a/net/batman-adv/sysfs.c
+++ b/net/batman-adv/sysfs.c
@@ -1150,7 +1150,7 @@ static ssize_t batadv_store_throughput_override(struct kobject *kobj,
ret = batadv_parse_throughput(net_dev, buff, "throughput_override",
&tp_override);
if (!ret)
- return count;
+ goto out;
old_tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
if (old_tp_override == tp_override)
@@ -1190,6 +1190,7 @@ static ssize_t batadv_show_throughput_override(struct kobject *kobj,
tp_override = atomic_read(&hard_iface->bat_v.throughput_override);
+ batadv_hardif_put(hard_iface);
return sprintf(buff, "%u.%u MBit\n", tp_override / 10,
tp_override % 10);
}
diff --git a/net/batman-adv/trace.h b/net/batman-adv/trace.h
index f631b1e01b89..a87547570b4e 100644
--- a/net/batman-adv/trace.h
+++ b/net/batman-adv/trace.h
@@ -15,7 +15,6 @@
#include <linux/percpu.h>
#include <linux/printk.h>
#include <linux/tracepoint.h>
-#include <linux/types.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM batadv
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 4a17a66cc572..d152b8e81f61 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -1086,7 +1086,7 @@ struct batadv_priv_bla {
* struct batadv_priv_debug_log - debug logging data
*/
struct batadv_priv_debug_log {
- /** @log_buff: buffer holding the logs (ring bufer) */
+ /** @log_buff: buffer holding the logs (ring buffer) */
char log_buff[BATADV_LOG_BUF_LEN];
/** @log_start: index of next character to read */
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 4febc82a7c76..bb55d92691b0 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -571,7 +571,15 @@ static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev)
return err < 0 ? NET_XMIT_DROP : err;
}
+static int bt_dev_init(struct net_device *dev)
+{
+ netdev_lockdep_set_classes(dev);
+
+ return 0;
+}
+
static const struct net_device_ops netdev_ops = {
+ .ndo_init = bt_dev_init,
.ndo_start_xmit = bt_xmit,
};
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index 165148c7c4ce..1d6d243cdde9 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -93,6 +93,21 @@ config BT_LEDS
This option selects a few LED triggers for different
Bluetooth events.
+config BT_MSFTEXT
+ bool "Enable Microsoft extensions"
+ depends on BT
+ help
+ This options enables support for the Microsoft defined HCI
+ vendor extensions.
+
+config BT_DEBUGFS
+ bool "Export Bluetooth internals in debugfs"
+ depends on BT && DEBUG_FS
+ default y
+ help
+ Provide extensive information about internal Bluetooth states
+ in debugfs.
+
config BT_SELFTEST
bool "Bluetooth self testing support"
depends on BT && DEBUG_KERNEL
@@ -120,12 +135,11 @@ config BT_SELFTEST_SMP
Run test cases for SMP cryptographic functionality, including both
legacy SMP as well as the Secure Connections features.
-config BT_DEBUGFS
- bool "Export Bluetooth internals in debugfs"
- depends on BT && DEBUG_FS
- default y
+config BT_FEATURE_DEBUG
+ bool "Enable runtime option for debugging statements"
+ depends on BT && !DYNAMIC_DEBUG
help
- Provide extensive information about internal Bluetooth states
- in debugfs.
+ This provides an option to enable/disable debugging statements
+ at runtime via the experimental features interface.
source "drivers/bluetooth/Kconfig"
diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile
index fda41c0b4781..41dd541a44a5 100644
--- a/net/bluetooth/Makefile
+++ b/net/bluetooth/Makefile
@@ -19,5 +19,6 @@ bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
bluetooth-$(CONFIG_BT_BREDR) += sco.o
bluetooth-$(CONFIG_BT_HS) += a2mp.o amp.o
bluetooth-$(CONFIG_BT_LEDS) += leds.o
+bluetooth-$(CONFIG_BT_MSFTEXT) += msft.o
bluetooth-$(CONFIG_BT_DEBUGFS) += hci_debugfs.o
bluetooth-$(CONFIG_BT_SELFTEST) += selftest.o
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index e245bc155cc2..307800fd18e6 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -122,8 +122,18 @@ static void hci_conn_cleanup(struct hci_conn *conn)
hci_conn_hash_del(hdev, conn);
- if (hdev->notify)
- hdev->notify(hdev, HCI_NOTIFY_CONN_DEL);
+ if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {
+ switch (conn->setting & SCO_AIRMODE_MASK) {
+ case SCO_AIRMODE_CVSD:
+ case SCO_AIRMODE_TRANSP:
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_DISABLE_SCO);
+ break;
+ }
+ } else {
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_CONN_DEL);
+ }
hci_conn_del_sysfs(conn);
@@ -215,8 +225,6 @@ static void hci_acl_create_connection(struct hci_conn *conn)
}
memcpy(conn->dev_class, ie->data.dev_class, 3);
- if (ie->data.ssp_mode > 0)
- set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
}
cp.pkt_type = cpu_to_le16(conn->pkt_type);
@@ -577,8 +585,15 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
hci_dev_hold(hdev);
hci_conn_hash_add(hdev, conn);
- if (hdev->notify)
- hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+
+ /* The SCO and eSCO connections will only be notified when their
+ * setup has been completed. This is different to ACL links which
+ * can be notified right away.
+ */
+ if (conn->type != SCO_LINK && conn->type != ESCO_LINK) {
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+ }
hci_conn_init_sysfs(conn);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 2e7bc2da8371..dbe2d79f233f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -44,6 +44,7 @@
#include "hci_debugfs.h"
#include "smp.h"
#include "leds.h"
+#include "msft.h"
static void hci_rx_work(struct work_struct *work);
static void hci_cmd_work(struct work_struct *work);
@@ -637,6 +638,14 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT)
events[0] |= 0x40; /* LE Data Length Change */
+ /* If the controller supports LL Privacy feature, enable
+ * the corresponding event.
+ */
+ if (hdev->le_features[0] & HCI_LE_LL_PRIVACY)
+ events[1] |= 0x02; /* LE Enhanced Connection
+ * Complete
+ */
+
/* If the controller supports Extended Scanner Filter
* Policies, enable the correspondig event.
*/
@@ -710,14 +719,6 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
* Report
*/
- /* If the controller supports the LE Extended Create Connection
- * command, enable the corresponding event.
- */
- if (use_ext_conn(hdev))
- events[1] |= 0x02; /* LE Enhanced Connection
- * Complete
- */
-
/* If the controller supports the LE Extended Advertising
* command, enable the corresponding event.
*/
@@ -826,6 +827,10 @@ static int hci_init4_req(struct hci_request *req, unsigned long opt)
if (hdev->commands[29] & 0x20)
hci_req_add(req, HCI_OP_READ_LOCAL_CODECS, 0, NULL);
+ /* Read local pairing options if the HCI command is supported */
+ if (hdev->commands[41] & 0x08)
+ hci_req_add(req, HCI_OP_READ_LOCAL_PAIRING_OPTS, 0, NULL);
+
/* Get MWS transport configuration if the HCI command is supported */
if (hdev->commands[30] & 0x08)
hci_req_add(req, HCI_OP_GET_MWS_TRANSPORT_CONFIG, 0, NULL);
@@ -1563,6 +1568,8 @@ setup_failed:
hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) && hdev->set_diag)
ret = hdev->set_diag(hdev, true);
+ msft_do_open(hdev);
+
clear_bit(HCI_INIT, &hdev->flags);
if (!ret) {
@@ -1758,6 +1765,8 @@ int hci_dev_do_close(struct hci_dev *hdev)
hci_sock_dev_event(hdev, HCI_DEV_DOWN);
+ msft_do_close(hdev);
+
if (hdev->flush)
hdev->flush(hdev);
@@ -3341,10 +3350,12 @@ static int hci_suspend_notifier(struct notifier_block *nb, unsigned long action,
*/
ret = hci_change_suspend_state(hdev, BT_SUSPEND_DISCONNECT);
- /* Only configure whitelist if disconnect succeeded */
- if (!ret)
+ /* Only configure whitelist if disconnect succeeded and wake
+ * isn't being prevented.
+ */
+ if (!ret && !(hdev->prevent_wake && hdev->prevent_wake(hdev)))
ret = hci_change_suspend_state(hdev,
- BT_SUSPEND_COMPLETE);
+ BT_SUSPEND_CONFIGURE_WAKE);
} else if (action == PM_POST_SUSPEND) {
ret = hci_change_suspend_state(hdev, BT_RUNNING);
}
@@ -4240,6 +4251,54 @@ static void __check_timeout(struct hci_dev *hdev, unsigned int cnt)
}
}
+/* Schedule SCO */
+static void hci_sched_sco(struct hci_dev *hdev)
+{
+ struct hci_conn *conn;
+ struct sk_buff *skb;
+ int quote;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!hci_conn_num(hdev, SCO_LINK))
+ return;
+
+ while (hdev->sco_cnt && (conn = hci_low_sent(hdev, SCO_LINK, &quote))) {
+ while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
+ BT_DBG("skb %p len %d", skb, skb->len);
+ hci_send_frame(hdev, skb);
+
+ conn->sent++;
+ if (conn->sent == ~0)
+ conn->sent = 0;
+ }
+ }
+}
+
+static void hci_sched_esco(struct hci_dev *hdev)
+{
+ struct hci_conn *conn;
+ struct sk_buff *skb;
+ int quote;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!hci_conn_num(hdev, ESCO_LINK))
+ return;
+
+ while (hdev->sco_cnt && (conn = hci_low_sent(hdev, ESCO_LINK,
+ &quote))) {
+ while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
+ BT_DBG("skb %p len %d", skb, skb->len);
+ hci_send_frame(hdev, skb);
+
+ conn->sent++;
+ if (conn->sent == ~0)
+ conn->sent = 0;
+ }
+ }
+}
+
static void hci_sched_acl_pkt(struct hci_dev *hdev)
{
unsigned int cnt = hdev->acl_cnt;
@@ -4271,6 +4330,10 @@ static void hci_sched_acl_pkt(struct hci_dev *hdev)
hdev->acl_cnt--;
chan->sent++;
chan->conn->sent++;
+
+ /* Send pending SCO packets right away */
+ hci_sched_sco(hdev);
+ hci_sched_esco(hdev);
}
}
@@ -4355,54 +4418,6 @@ static void hci_sched_acl(struct hci_dev *hdev)
}
}
-/* Schedule SCO */
-static void hci_sched_sco(struct hci_dev *hdev)
-{
- struct hci_conn *conn;
- struct sk_buff *skb;
- int quote;
-
- BT_DBG("%s", hdev->name);
-
- if (!hci_conn_num(hdev, SCO_LINK))
- return;
-
- while (hdev->sco_cnt && (conn = hci_low_sent(hdev, SCO_LINK, &quote))) {
- while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
- BT_DBG("skb %p len %d", skb, skb->len);
- hci_send_frame(hdev, skb);
-
- conn->sent++;
- if (conn->sent == ~0)
- conn->sent = 0;
- }
- }
-}
-
-static void hci_sched_esco(struct hci_dev *hdev)
-{
- struct hci_conn *conn;
- struct sk_buff *skb;
- int quote;
-
- BT_DBG("%s", hdev->name);
-
- if (!hci_conn_num(hdev, ESCO_LINK))
- return;
-
- while (hdev->sco_cnt && (conn = hci_low_sent(hdev, ESCO_LINK,
- &quote))) {
- while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
- BT_DBG("skb %p len %d", skb, skb->len);
- hci_send_frame(hdev, skb);
-
- conn->sent++;
- if (conn->sent == ~0)
- conn->sent = 0;
- }
- }
-}
-
static void hci_sched_le(struct hci_dev *hdev)
{
struct hci_chan *chan;
@@ -4437,6 +4452,10 @@ static void hci_sched_le(struct hci_dev *hdev)
cnt--;
chan->sent++;
chan->conn->sent++;
+
+ /* Send pending SCO packets right away */
+ hci_sched_sco(hdev);
+ hci_sched_esco(hdev);
}
}
@@ -4459,9 +4478,9 @@ static void hci_tx_work(struct work_struct *work)
if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) {
/* Schedule queues and send stuff to HCI driver */
- hci_sched_acl(hdev);
hci_sched_sco(hdev);
hci_sched_esco(hdev);
+ hci_sched_acl(hdev);
hci_sched_le(hdev);
}
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 6b1314c738b8..5e8af2658e44 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -1075,6 +1075,50 @@ DEFINE_SIMPLE_ATTRIBUTE(auth_payload_timeout_fops,
auth_payload_timeout_get,
auth_payload_timeout_set, "%llu\n");
+static ssize_t force_no_mitm_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hci_dev_test_flag(hdev, HCI_FORCE_NO_MITM) ? 'Y' : 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t force_no_mitm_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[32];
+ size_t buf_size = min(count, (sizeof(buf) - 1));
+ bool enable;
+
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+
+ buf[buf_size] = '\0';
+ if (strtobool(buf, &enable))
+ return -EINVAL;
+
+ if (enable == hci_dev_test_flag(hdev, HCI_FORCE_NO_MITM))
+ return -EALREADY;
+
+ hci_dev_change_flag(hdev, HCI_FORCE_NO_MITM);
+
+ return count;
+}
+
+static const struct file_operations force_no_mitm_fops = {
+ .open = simple_open,
+ .read = force_no_mitm_read,
+ .write = force_no_mitm_write,
+ .llseek = default_llseek,
+};
+
DEFINE_QUIRK_ATTRIBUTE(quirk_strict_duplicate_filter,
HCI_QUIRK_STRICT_DUPLICATE_FILTER);
DEFINE_QUIRK_ATTRIBUTE(quirk_simultaneous_discovery,
@@ -1134,6 +1178,8 @@ void hci_debugfs_create_le(struct hci_dev *hdev)
&max_key_size_fops);
debugfs_create_file("auth_payload_timeout", 0644, hdev->debugfs, hdev,
&auth_payload_timeout_fops);
+ debugfs_create_file("force_no_mitm", 0644, hdev->debugfs, hdev,
+ &force_no_mitm_fops);
debugfs_create_file("quirk_strict_duplicate_filter", 0644,
hdev->debugfs, hdev,
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0a591be8b0ae..cfeaee347db3 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -35,18 +35,34 @@
#include "a2mp.h"
#include "amp.h"
#include "smp.h"
+#include "msft.h"
#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
"\x00\x00\x00\x00\x00\x00\x00\x00"
/* Handle HCI Event packets */
-static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
+static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb,
+ u8 *new_status)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ /* It is possible that we receive Inquiry Complete event right
+ * before we receive Inquiry Cancel Command Complete event, in
+ * which case the latter event should have status of Command
+ * Disallowed (0x0c). This should not be treated as error, since
+ * we actually achieve what Inquiry Cancel wants to achieve,
+ * which is to end the last Inquiry session.
+ */
+ if (status == 0x0c && !test_bit(HCI_INQUIRY, &hdev->flags)) {
+ bt_dev_warn(hdev, "Ignoring error of Inquiry Cancel command");
+ status = 0x00;
+ }
+
+ *new_status = status;
+
if (status)
return;
@@ -746,6 +762,23 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
bacpy(&hdev->setup_addr, &rp->bdaddr);
}
+static void hci_cc_read_local_pairing_opts(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_pairing_opts *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ if (hci_dev_test_flag(hdev, HCI_SETUP) ||
+ hci_dev_test_flag(hdev, HCI_CONFIG)) {
+ hdev->pairing_opts = rp->pairing_opts;
+ hdev->max_enc_key_size = rp->max_key_size;
+ }
+}
+
static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -2607,8 +2640,16 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (ev->status) {
hci_connect_cfm(conn, ev->status);
hci_conn_del(conn);
- } else if (ev->link_type != ACL_LINK)
+ } else if (ev->link_type == SCO_LINK) {
+ switch (conn->setting & SCO_AIRMODE_MASK) {
+ case SCO_AIRMODE_CVSD:
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD);
+ break;
+ }
+
hci_connect_cfm(conn, ev->status);
+ }
unlock:
hci_dev_unlock(hdev);
@@ -2890,7 +2931,7 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
&cp);
} else {
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
- hci_encrypt_cfm(conn, ev->status, 0x00);
+ hci_encrypt_cfm(conn, ev->status);
}
}
@@ -2975,22 +3016,7 @@ static void read_enc_key_size_complete(struct hci_dev *hdev, u8 status,
conn->enc_key_size = rp->key_size;
}
- if (conn->state == BT_CONFIG) {
- conn->state = BT_CONNECTED;
- hci_connect_cfm(conn, 0);
- hci_conn_drop(conn);
- } else {
- u8 encrypt;
-
- if (!test_bit(HCI_CONN_ENCRYPT, &conn->flags))
- encrypt = 0x00;
- else if (test_bit(HCI_CONN_AES_CCM, &conn->flags))
- encrypt = 0x02;
- else
- encrypt = 0x01;
-
- hci_encrypt_cfm(conn, 0, encrypt);
- }
+ hci_encrypt_cfm(conn, 0);
unlock:
hci_dev_unlock(hdev);
@@ -3108,14 +3134,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
}
notify:
- if (conn->state == BT_CONFIG) {
- if (!ev->status)
- conn->state = BT_CONNECTED;
-
- hci_connect_cfm(conn, ev->status);
- hci_conn_drop(conn);
- } else
- hci_encrypt_cfm(conn, ev->status, ev->encrypt);
+ hci_encrypt_cfm(conn, ev->status);
unlock:
hci_dev_unlock(hdev);
@@ -3207,7 +3226,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
switch (*opcode) {
case HCI_OP_INQUIRY_CANCEL:
- hci_cc_inquiry_cancel(hdev, skb);
+ hci_cc_inquiry_cancel(hdev, skb, status);
break;
case HCI_OP_PERIODIC_INQ:
@@ -3334,6 +3353,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
hci_cc_read_bd_addr(hdev, skb);
break;
+ case HCI_OP_READ_LOCAL_PAIRING_OPTS:
+ hci_cc_read_local_pairing_opts(hdev, skb);
+ break;
+
case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
hci_cc_read_page_scan_activity(hdev, skb);
break;
@@ -4292,6 +4315,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
case 0x11: /* Unsupported Feature or Parameter Value */
case 0x1c: /* SCO interval rejected */
case 0x1a: /* Unsupported Remote Feature */
+ case 0x1e: /* Invalid LMP Parameters */
case 0x1f: /* Unspecified error */
case 0x20: /* Unsupported LMP Parameter value */
if (conn->out) {
@@ -4307,6 +4331,19 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
break;
}
+ bt_dev_dbg(hdev, "SCO connected with air mode: %02x", ev->air_mode);
+
+ switch (conn->setting & SCO_AIRMODE_MASK) {
+ case SCO_AIRMODE_CVSD:
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD);
+ break;
+ case SCO_AIRMODE_TRANSP:
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP);
+ break;
+ }
+
hci_connect_cfm(conn, ev->status);
if (ev->status)
hci_conn_del(conn);
@@ -5245,7 +5282,9 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
/* Most controller will fail if we try to create new connections
* while we have an existing one in slave role.
*/
- if (hdev->conn_hash.le_num_slave > 0)
+ if (hdev->conn_hash.le_num_slave > 0 &&
+ (!test_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks) ||
+ !(hdev->le_states[3] & 0x10)))
return NULL;
/* If we're not connectable only connect devices that we have in
@@ -5269,7 +5308,7 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
case HCI_AUTO_CONN_ALWAYS:
/* Devices advertising with ADV_IND or ADV_DIRECT_IND
* are triggering a connection attempt. This means
- * that incoming connectioms from slave device are
+ * that incoming connections from slave device are
* accepted and also outgoing connections to slave
* devices are established when found.
*/
@@ -5353,7 +5392,8 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
/* Adjust for actual length */
if (len != real_len) {
- bt_dev_err_ratelimited(hdev, "advertising data len corrected");
+ bt_dev_err_ratelimited(hdev, "advertising data len corrected %u -> %u",
+ len, real_len);
len = real_len;
}
@@ -6145,6 +6185,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_num_comp_blocks_evt(hdev, skb);
break;
+ case HCI_EV_VENDOR:
+ msft_vendor_evt(hdev, skb);
+ break;
+
default:
BT_DBG("%s event 0x%2.2x", hdev->name, event);
break;
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 649e1e5ed446..1fc55685da62 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -35,7 +35,7 @@
#define HCI_REQ_CANCELED 2
#define LE_SUSPEND_SCAN_WINDOW 0x0012
-#define LE_SUSPEND_SCAN_INTERVAL 0x0060
+#define LE_SUSPEND_SCAN_INTERVAL 0x0400
void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
{
@@ -890,7 +890,7 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
struct hci_dev *hdev = req->hdev;
u8 own_addr_type;
u8 filter_policy;
- u8 window, interval;
+ u16 window, interval;
if (hdev->scanning_paused) {
bt_dev_dbg(hdev, "Scanning is paused for suspend");
@@ -1090,7 +1090,7 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
disconnect_counter);
set_bit(SUSPEND_DISCONNECTING, hdev->suspend_tasks);
}
- } else if (next == BT_SUSPEND_COMPLETE) {
+ } else if (next == BT_SUSPEND_CONFIGURE_WAKE) {
/* Unpause to take care of updating scanning params */
hdev->scanning_paused = false;
/* Enable event filter for paired devices */
@@ -1447,7 +1447,7 @@ void __hci_req_update_scan_rsp_data(struct hci_request *req, u8 instance)
memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
hdev->scan_rsp_data_len = len;
- cp.handle = 0;
+ cp.handle = instance;
cp.length = len;
cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
@@ -1591,7 +1591,7 @@ void __hci_req_update_adv_data(struct hci_request *req, u8 instance)
hdev->adv_data_len = len;
cp.length = len;
- cp.handle = 0;
+ cp.handle = instance;
cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
@@ -1876,7 +1876,7 @@ int __hci_req_setup_ext_adv_instance(struct hci_request *req, u8 instance)
memset(&cp, 0, sizeof(cp));
- cp.handle = 0;
+ cp.handle = instance;
bacpy(&cp.bdaddr, &random_addr);
hci_req_add(req,
@@ -2723,6 +2723,8 @@ static int active_scan(struct hci_request *req, unsigned long opt)
uint16_t interval = opt;
struct hci_dev *hdev = req->hdev;
u8 own_addr_type;
+ /* White list is not used for discovery */
+ u8 filter_policy = 0x00;
int err;
BT_DBG("%s", hdev->name);
@@ -2744,7 +2746,7 @@ static int active_scan(struct hci_request *req, unsigned long opt)
own_addr_type = ADDR_LE_DEV_PUBLIC;
hci_req_start_scan(req, LE_SCAN_ACTIVE, interval, DISCOV_LE_SCAN_WIN,
- own_addr_type, 0);
+ own_addr_type, filter_policy);
return 0;
}
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 9c4a093f8960..caf38a8ea6a8 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1579,11 +1579,13 @@ static int hci_mgmt_cmd(struct hci_mgmt_chan *chan, struct sock *sk,
}
}
- no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
- if (no_hdev != !hdev) {
- err = mgmt_cmd_status(sk, index, opcode,
- MGMT_STATUS_INVALID_INDEX);
- goto done;
+ if (!(handler->flags & HCI_MGMT_HDEV_OPTIONAL)) {
+ no_hdev = (handler->flags & HCI_MGMT_NO_HDEV);
+ if (no_hdev != !hdev) {
+ err = mgmt_cmd_status(sk, index, opcode,
+ MGMT_STATUS_INVALID_INDEX);
+ goto done;
+ }
}
var_len = (handler->flags & HCI_MGMT_VAR_LEN);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index fd9d0d08f9c9..fe913a5c754a 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -5927,7 +5927,7 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn,
if (!enable_ecred)
return -EINVAL;
- if (cmd_len < sizeof(*req) || cmd_len - sizeof(*req) % sizeof(u16)) {
+ if (cmd_len < sizeof(*req) || (cmd_len - sizeof(*req)) % sizeof(u16)) {
result = L2CAP_CR_LE_INVALID_PARAMS;
goto response;
}
@@ -5964,7 +5964,7 @@ static inline int l2cap_ecred_conn_req(struct l2cap_conn *conn,
}
result = L2CAP_CR_LE_SUCCESS;
- cmd_len -= sizeof(req);
+ cmd_len -= sizeof(*req);
num_scid = cmd_len / sizeof(u16);
for (i = 0; i < num_scid; i++) {
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 117ba20ea194..a995d2c51fa7 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -395,6 +395,24 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr,
return sizeof(struct sockaddr_l2);
}
+static int l2cap_get_mode(struct l2cap_chan *chan)
+{
+ switch (chan->mode) {
+ case L2CAP_MODE_BASIC:
+ return BT_MODE_BASIC;
+ case L2CAP_MODE_ERTM:
+ return BT_MODE_ERTM;
+ case L2CAP_MODE_STREAMING:
+ return BT_MODE_STREAMING;
+ case L2CAP_MODE_LE_FLOWCTL:
+ return BT_MODE_LE_FLOWCTL;
+ case L2CAP_MODE_EXT_FLOWCTL:
+ return BT_MODE_EXT_FLOWCTL;
+ }
+
+ return -EINVAL;
+}
+
static int l2cap_sock_getsockopt_old(struct socket *sock, int optname,
char __user *optval, int __user *optlen)
{
@@ -424,6 +442,20 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname,
break;
}
+ /* Only BR/EDR modes are supported here */
+ switch (chan->mode) {
+ case L2CAP_MODE_BASIC:
+ case L2CAP_MODE_ERTM:
+ case L2CAP_MODE_STREAMING:
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+
+ if (err < 0)
+ break;
+
memset(&opts, 0, sizeof(opts));
opts.imtu = chan->imtu;
opts.omtu = chan->omtu;
@@ -508,7 +540,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
struct bt_security sec;
struct bt_power pwr;
u32 phys;
- int len, err = 0;
+ int len, mode, err = 0;
BT_DBG("sk %p", sk);
@@ -624,6 +656,27 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname,
err = -EFAULT;
break;
+ case BT_MODE:
+ if (!enable_ecred) {
+ err = -ENOPROTOOPT;
+ break;
+ }
+
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
+ err = -EINVAL;
+ break;
+ }
+
+ mode = l2cap_get_mode(chan);
+ if (mode < 0) {
+ err = mode;
+ break;
+ }
+
+ if (put_user(mode, (u8 __user *) optval))
+ err = -EFAULT;
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -698,10 +751,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
break;
}
- chan->mode = opts.mode;
- switch (chan->mode) {
- case L2CAP_MODE_LE_FLOWCTL:
- break;
+ /* Only BR/EDR modes are supported here */
+ switch (opts.mode) {
case L2CAP_MODE_BASIC:
clear_bit(CONF_STATE2_DEVICE, &chan->conf_state);
break;
@@ -715,6 +766,11 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
break;
}
+ if (err < 0)
+ break;
+
+ chan->mode = opts.mode;
+
BT_DBG("mode 0x%2.2x", chan->mode);
chan->imtu = opts.imtu;
@@ -763,6 +819,45 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname,
return err;
}
+static int l2cap_set_mode(struct l2cap_chan *chan, u8 mode)
+{
+ switch (mode) {
+ case BT_MODE_BASIC:
+ if (bdaddr_type_is_le(chan->src_type))
+ return -EINVAL;
+ mode = L2CAP_MODE_BASIC;
+ clear_bit(CONF_STATE2_DEVICE, &chan->conf_state);
+ break;
+ case BT_MODE_ERTM:
+ if (!disable_ertm || bdaddr_type_is_le(chan->src_type))
+ return -EINVAL;
+ mode = L2CAP_MODE_ERTM;
+ break;
+ case BT_MODE_STREAMING:
+ if (!disable_ertm || bdaddr_type_is_le(chan->src_type))
+ return -EINVAL;
+ mode = L2CAP_MODE_STREAMING;
+ break;
+ case BT_MODE_LE_FLOWCTL:
+ if (!bdaddr_type_is_le(chan->src_type))
+ return -EINVAL;
+ mode = L2CAP_MODE_LE_FLOWCTL;
+ break;
+ case BT_MODE_EXT_FLOWCTL:
+ /* TODO: Add support for ECRED PDUs to BR/EDR */
+ if (!bdaddr_type_is_le(chan->src_type))
+ return -EINVAL;
+ mode = L2CAP_MODE_EXT_FLOWCTL;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ chan->mode = mode;
+
+ return 0;
+}
+
static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{
@@ -968,6 +1063,39 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname,
break;
+ case BT_MODE:
+ if (!enable_ecred) {
+ err = -ENOPROTOOPT;
+ break;
+ }
+
+ BT_DBG("sk->sk_state %u", sk->sk_state);
+
+ if (sk->sk_state != BT_BOUND) {
+ err = -EINVAL;
+ break;
+ }
+
+ if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
+ err = -EINVAL;
+ break;
+ }
+
+ if (get_user(opt, (u8 __user *) optval)) {
+ err = -EFAULT;
+ break;
+ }
+
+ BT_DBG("opt %u", opt);
+
+ err = l2cap_set_mode(chan, opt);
+ if (err)
+ break;
+
+ BT_DBG("mode 0x%2.2x", chan->mode);
+
+ break;
+
default:
err = -ENOPROTOOPT;
break;
@@ -1143,14 +1271,21 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
struct l2cap_conn *conn;
int err = 0;
- BT_DBG("sock %p, sk %p", sock, sk);
+ BT_DBG("sock %p, sk %p, how %d", sock, sk, how);
+
+ /* 'how' parameter is mapped to sk_shutdown as follows:
+ * SHUT_RD (0) --> RCV_SHUTDOWN (1)
+ * SHUT_WR (1) --> SEND_SHUTDOWN (2)
+ * SHUT_RDWR (2) --> SHUTDOWN_MASK (3)
+ */
+ how++;
if (!sk)
return 0;
lock_sock(sk);
- if (sk->sk_shutdown)
+ if ((sk->sk_shutdown & how) == how)
goto shutdown_already;
BT_DBG("Handling sock shutdown");
@@ -1173,11 +1308,20 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
* has already been actioned to close the L2CAP
* link such as by l2cap_disconnection_req().
*/
- if (sk->sk_shutdown)
- goto has_shutdown;
+ if ((sk->sk_shutdown & how) == how)
+ goto shutdown_matched;
}
- sk->sk_shutdown = SHUTDOWN_MASK;
+ /* Try setting the RCV_SHUTDOWN bit, return early if SEND_SHUTDOWN
+ * is already set
+ */
+ if ((how & RCV_SHUTDOWN) && !(sk->sk_shutdown & RCV_SHUTDOWN)) {
+ sk->sk_shutdown |= RCV_SHUTDOWN;
+ if ((sk->sk_shutdown & how) == how)
+ goto shutdown_matched;
+ }
+
+ sk->sk_shutdown |= SEND_SHUTDOWN;
release_sock(sk);
l2cap_chan_lock(chan);
@@ -1207,7 +1351,7 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
err = bt_sock_wait_state(sk, BT_CLOSED,
sk->sk_lingertime);
-has_shutdown:
+shutdown_matched:
l2cap_chan_put(chan);
sock_put(sk);
@@ -1235,7 +1379,7 @@ static int l2cap_sock_release(struct socket *sock)
bt_sock_unlink(&l2cap_sk_list, sk);
- err = l2cap_sock_shutdown(sock, 2);
+ err = l2cap_sock_shutdown(sock, SHUT_RDWR);
chan = l2cap_pi(sk)->chan;
l2cap_chan_hold(chan);
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index c09e0a3a0ed9..5326f41a58b7 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -183,6 +183,39 @@ void bt_err(const char *format, ...)
}
EXPORT_SYMBOL(bt_err);
+#ifdef CONFIG_BT_FEATURE_DEBUG
+static bool debug_enable;
+
+void bt_dbg_set(bool enable)
+{
+ debug_enable = enable;
+}
+
+bool bt_dbg_get(void)
+{
+ return debug_enable;
+}
+
+void bt_dbg(const char *format, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ if (likely(!debug_enable))
+ return;
+
+ va_start(args, format);
+
+ vaf.fmt = format;
+ vaf.va = &args;
+
+ printk(KERN_DEBUG pr_fmt("%pV"), &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(bt_dbg);
+#endif
+
void bt_warn_ratelimited(const char *format, ...)
{
struct va_format vaf;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 6552003a170e..9e8a3cccc6ca 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -38,7 +38,7 @@
#include "mgmt_util.h"
#define MGMT_VERSION 1
-#define MGMT_REVISION 16
+#define MGMT_REVISION 17
static const u16 mgmt_commands[] = {
MGMT_OP_READ_INDEX_LIST,
@@ -108,6 +108,9 @@ static const u16 mgmt_commands[] = {
MGMT_OP_SET_APPEARANCE,
MGMT_OP_SET_BLOCKED_KEYS,
MGMT_OP_SET_WIDEBAND_SPEECH,
+ MGMT_OP_READ_SECURITY_INFO,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
+ MGMT_OP_SET_EXP_FEATURE,
};
static const u16 mgmt_events[] = {
@@ -146,6 +149,8 @@ static const u16 mgmt_events[] = {
MGMT_EV_ADVERTISING_ADDED,
MGMT_EV_ADVERTISING_REMOVED,
MGMT_EV_EXT_INFO_CHANGED,
+ MGMT_EV_PHY_CONFIGURATION_CHANGED,
+ MGMT_EV_EXP_FEATURE_CHANGED,
};
static const u16 mgmt_untrusted_commands[] = {
@@ -155,6 +160,8 @@ static const u16 mgmt_untrusted_commands[] = {
MGMT_OP_READ_CONFIG_INFO,
MGMT_OP_READ_EXT_INDEX_LIST,
MGMT_OP_READ_EXT_INFO,
+ MGMT_OP_READ_SECURITY_INFO,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
};
static const u16 mgmt_untrusted_events[] = {
@@ -169,6 +176,7 @@ static const u16 mgmt_untrusted_events[] = {
MGMT_EV_EXT_INDEX_ADDED,
MGMT_EV_EXT_INDEX_REMOVED,
MGMT_EV_EXT_INFO_CHANGED,
+ MGMT_EV_EXP_FEATURE_CHANGED,
};
#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
@@ -291,7 +299,7 @@ static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_rp_read_version rp;
- BT_DBG("sock %p", sk);
+ bt_dev_dbg(hdev, "sock %p", sk);
mgmt_fill_version_info(&rp);
@@ -307,7 +315,7 @@ static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
size_t rp_size;
int i, err;
- BT_DBG("sock %p", sk);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
num_commands = ARRAY_SIZE(mgmt_commands);
@@ -360,7 +368,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
u16 count;
int err;
- BT_DBG("sock %p", sk);
+ bt_dev_dbg(hdev, "sock %p", sk);
read_lock(&hci_dev_list_lock);
@@ -394,7 +402,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
if (d->dev_type == HCI_PRIMARY &&
!hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
rp->index[count++] = cpu_to_le16(d->id);
- BT_DBG("Added hci%u", d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
}
}
@@ -420,7 +428,7 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
u16 count;
int err;
- BT_DBG("sock %p", sk);
+ bt_dev_dbg(hdev, "sock %p", sk);
read_lock(&hci_dev_list_lock);
@@ -454,7 +462,7 @@ static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
if (d->dev_type == HCI_PRIMARY &&
hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
rp->index[count++] = cpu_to_le16(d->id);
- BT_DBG("Added hci%u", d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
}
}
@@ -479,7 +487,7 @@ static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
u16 count;
int err;
- BT_DBG("sock %p", sk);
+ bt_dev_dbg(hdev, "sock %p", sk);
read_lock(&hci_dev_list_lock);
@@ -521,7 +529,7 @@ static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
rp->entry[count].bus = d->bus;
rp->entry[count++].index = cpu_to_le16(d->id);
- BT_DBG("Added hci%u", d->id);
+ bt_dev_dbg(hdev, "Added hci%u", d->id);
}
rp->num_controllers = cpu_to_le16(count);
@@ -597,7 +605,7 @@ static int read_config_info(struct sock *sk, struct hci_dev *hdev,
struct mgmt_rp_read_config_info rp;
u32 options = 0;
- BT_DBG("sock %p %s", sk, hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -937,7 +945,7 @@ static void rpa_expired(struct work_struct *work)
rpa_expired.work);
struct hci_request req;
- BT_DBG("");
+ bt_dev_dbg(hdev, "");
hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
@@ -977,7 +985,7 @@ static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_rp_read_info rp;
- BT_DBG("sock %p %s", sk, hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -1033,7 +1041,7 @@ static int read_ext_controller_info(struct sock *sk, struct hci_dev *hdev,
struct mgmt_rp_read_ext_info *rp = (void *)buf;
u16 eir_len;
- BT_DBG("sock %p %s", sk, hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
memset(&buf, 0, sizeof(buf));
@@ -1092,7 +1100,7 @@ static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
- BT_DBG("%s status 0x%02x", hdev->name, status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
if (hci_conn_count(hdev) == 0) {
cancel_delayed_work(&hdev->power_off);
@@ -1168,7 +1176,7 @@ static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_pending_cmd *cmd;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (cp->val != 0x00 && cp->val != 0x01)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
@@ -1309,7 +1317,7 @@ void mgmt_set_discoverable_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -1348,7 +1356,7 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
u16 timeout;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
@@ -1474,7 +1482,7 @@ void mgmt_set_connectable_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -1534,7 +1542,7 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_pending_cmd *cmd;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
@@ -1591,7 +1599,7 @@ static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
bool changed;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (cp->val != 0x00 && cp->val != 0x01)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
@@ -1635,7 +1643,7 @@ static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
u8 val, status;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
status = mgmt_bredr_support(hdev);
if (status)
@@ -1703,7 +1711,7 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
u8 status;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
status = mgmt_bredr_support(hdev);
if (status)
@@ -1784,7 +1792,7 @@ static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
u8 status;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
status = mgmt_bredr_support(hdev);
if (status)
@@ -1890,7 +1898,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
int err;
u8 val, enabled;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
@@ -2051,7 +2059,7 @@ unlock:
static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
}
@@ -2064,7 +2072,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
struct bt_uuid *uuid;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -2130,7 +2138,7 @@ static bool enable_service_cache(struct hci_dev *hdev)
static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
}
@@ -2145,7 +2153,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_request req;
int err, found;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -2216,7 +2224,7 @@ unlock:
static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
}
@@ -2229,7 +2237,7 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_request req;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_bredr_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
@@ -2302,7 +2310,7 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
bool changed;
int i;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_bredr_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
@@ -2328,8 +2336,8 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
MGMT_STATUS_INVALID_PARAMS);
- BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
- key_count);
+ bt_dev_dbg(hdev, "debug_keys %u key_count %u", cp->debug_keys,
+ key_count);
for (i = 0; i < key_count; i++) {
struct mgmt_link_key_info *key = &cp->keys[i];
@@ -2530,7 +2538,7 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
@@ -2614,7 +2622,7 @@ static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
int err;
u16 i;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -2690,7 +2698,7 @@ static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_pending_cmd *cmd;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -2748,7 +2756,7 @@ static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_set_io_capability *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
@@ -2758,8 +2766,7 @@ static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
hdev->io_capability = cp->io_capability;
- BT_DBG("%s IO capability set to 0x%02x", hdev->name,
- hdev->io_capability);
+ bt_dev_dbg(hdev, "IO capability set to 0x%02x", hdev->io_capability);
hci_dev_unlock(hdev);
@@ -2871,7 +2878,7 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
@@ -3000,7 +3007,7 @@ static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -3111,7 +3118,7 @@ static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_cp_pin_code_neg_reply *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_PIN_CODE_NEG_REPLY,
@@ -3123,7 +3130,7 @@ static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_user_confirm_reply *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
if (len != sizeof(*cp))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
@@ -3139,7 +3146,7 @@ static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_cp_user_confirm_neg_reply *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_CONFIRM_NEG_REPLY,
@@ -3151,7 +3158,7 @@ static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_user_passkey_reply *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_REPLY,
@@ -3163,7 +3170,7 @@ static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_cp_user_passkey_neg_reply *cp = data;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_NEG_REPLY,
@@ -3204,7 +3211,7 @@ static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
struct mgmt_cp_set_local_name *cp;
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -3239,7 +3246,7 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_request req;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -3308,7 +3315,7 @@ static int set_appearance(struct sock *sk, struct hci_dev *hdev, void *data,
u16 appearance;
int err;
- BT_DBG("");
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_APPEARANCE,
@@ -3340,7 +3347,7 @@ static int get_phy_configuration(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_rp_get_phy_confguration rp;
- BT_DBG("sock %p %s", sk, hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -3373,7 +3380,7 @@ static void set_default_phy_complete(struct hci_dev *hdev, u8 status,
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -3411,7 +3418,7 @@ static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev,
bool changed = false;
int err;
- BT_DBG("sock %p %s", sk, hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
configurable_phys = get_configurable_phys(hdev);
supported_phys = get_supported_phys(hdev);
@@ -3564,7 +3571,7 @@ static int set_blocked_keys(struct sock *sk, struct hci_dev *hdev, void *data,
u16 key_count, expected_len;
int i;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
key_count = __le16_to_cpu(keys->key_count);
if (key_count > max_key_count) {
@@ -3610,7 +3617,7 @@ static int set_wideband_speech(struct sock *sk, struct hci_dev *hdev,
int err;
bool changed = false;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!test_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks))
return mgmt_cmd_status(sk, hdev->id,
@@ -3659,6 +3666,189 @@ unlock:
return err;
}
+static int read_security_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ char buf[16];
+ struct mgmt_rp_read_security_info *rp = (void *)buf;
+ u16 sec_len = 0;
+ u8 flags = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&buf, 0, sizeof(buf));
+
+ hci_dev_lock(hdev);
+
+ /* When the Read Simple Pairing Options command is supported, then
+ * the remote public key validation is supported.
+ */
+ if (hdev->commands[41] & 0x08)
+ flags |= 0x01; /* Remote public key validation (BR/EDR) */
+
+ flags |= 0x02; /* Remote public key validation (LE) */
+
+ /* When the Read Encryption Key Size command is supported, then the
+ * encryption key size is enforced.
+ */
+ if (hdev->commands[20] & 0x10)
+ flags |= 0x04; /* Encryption key size enforcement (BR/EDR) */
+
+ flags |= 0x08; /* Encryption key size enforcement (LE) */
+
+ sec_len = eir_append_data(rp->sec, sec_len, 0x01, &flags, 1);
+
+ /* When the Read Simple Pairing Options command is supported, then
+ * also max encryption key size information is provided.
+ */
+ if (hdev->commands[41] & 0x08)
+ sec_len = eir_append_le16(rp->sec, sec_len, 0x02,
+ hdev->max_enc_key_size);
+
+ sec_len = eir_append_le16(rp->sec, sec_len, 0x03, SMP_MAX_ENC_KEY_SIZE);
+
+ rp->sec_len = cpu_to_le16(sec_len);
+
+ hci_dev_unlock(hdev);
+
+ return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_SECURITY_INFO, 0,
+ rp, sizeof(*rp) + sec_len);
+}
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+/* d4992530-b9ec-469f-ab01-6c481c47da1c */
+static const u8 debug_uuid[16] = {
+ 0x1c, 0xda, 0x47, 0x1c, 0x48, 0x6c, 0x01, 0xab,
+ 0x9f, 0x46, 0xec, 0xb9, 0x30, 0x25, 0x99, 0xd4,
+};
+#endif
+
+static int read_exp_features_info(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ char buf[42];
+ struct mgmt_rp_read_exp_features_info *rp = (void *)buf;
+ u16 idx = 0;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ memset(&buf, 0, sizeof(buf));
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ if (!hdev) {
+ u32 flags = bt_dbg_get() ? BIT(0) : 0;
+
+ memcpy(rp->features[idx].uuid, debug_uuid, 16);
+ rp->features[idx].flags = cpu_to_le32(flags);
+ idx++;
+ }
+#endif
+
+ rp->feature_count = cpu_to_le16(idx);
+
+ /* After reading the experimental features information, enable
+ * the events to update client on any future change.
+ */
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ return mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_READ_EXP_FEATURES_INFO,
+ 0, rp, sizeof(*rp) + (20 * idx));
+}
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+static int exp_debug_feature_changed(bool enabled, struct sock *skip)
+{
+ struct mgmt_ev_exp_feature_changed ev;
+
+ memset(&ev, 0, sizeof(ev));
+ memcpy(ev.uuid, debug_uuid, 16);
+ ev.flags = cpu_to_le32(enabled ? BIT(0) : 0);
+
+ return mgmt_limited_event(MGMT_EV_EXP_FEATURE_CHANGED, NULL,
+ &ev, sizeof(ev),
+ HCI_MGMT_EXP_FEATURE_EVENTS, skip);
+}
+#endif
+
+static int set_exp_feature(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 data_len)
+{
+ struct mgmt_cp_set_exp_feature *cp = data;
+ struct mgmt_rp_set_exp_feature rp;
+
+ bt_dev_dbg(hdev, "sock %p", sk);
+
+ if (!memcmp(cp->uuid, ZERO_KEY, 16)) {
+ memset(rp.uuid, 0, 16);
+ rp.flags = cpu_to_le32(0);
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ if (!hdev) {
+ bool changed = bt_dbg_get();
+
+ bt_dbg_set(false);
+
+ if (changed)
+ exp_debug_feature_changed(false, sk);
+ }
+#endif
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ return mgmt_cmd_complete(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+ }
+
+#ifdef CONFIG_BT_FEATURE_DEBUG
+ if (!memcmp(cp->uuid, debug_uuid, 16)) {
+ bool val, changed;
+ int err;
+
+ /* Command requires to use the non-controller index */
+ if (hdev)
+ return mgmt_cmd_status(sk, hdev->id,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_INDEX);
+
+ /* Parameters are limited to a single octet */
+ if (data_len != MGMT_SET_EXP_FEATURE_SIZE + 1)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ /* Only boolean on/off is supported */
+ if (cp->param[0] != 0x00 && cp->param[0] != 0x01)
+ return mgmt_cmd_status(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ val = !!cp->param[0];
+ changed = val ? !bt_dbg_get() : bt_dbg_get();
+ bt_dbg_set(val);
+
+ memcpy(rp.uuid, debug_uuid, 16);
+ rp.flags = cpu_to_le32(val ? BIT(0) : 0);
+
+ hci_sock_set_flag(sk, HCI_MGMT_EXP_FEATURE_EVENTS);
+
+ err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE, 0,
+ &rp, sizeof(rp));
+
+ if (changed)
+ exp_debug_feature_changed(val, sk);
+
+ return err;
+ }
+#endif
+
+ return mgmt_cmd_status(sk, hdev ? hdev->id : MGMT_INDEX_NONE,
+ MGMT_OP_SET_EXP_FEATURE,
+ MGMT_STATUS_NOT_SUPPORTED);
+}
+
static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
u16 opcode, struct sk_buff *skb)
{
@@ -3666,7 +3856,7 @@ static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
size_t rp_size = sizeof(mgmt_rp);
struct mgmt_pending_cmd *cmd;
- BT_DBG("%s status %u", hdev->name, status);
+ bt_dev_dbg(hdev, "status %u", status);
cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
if (!cmd)
@@ -3725,7 +3915,7 @@ static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
struct hci_request req;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -3775,7 +3965,7 @@ static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
struct mgmt_addr_info *addr = data;
int err;
- BT_DBG("%s ", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!bdaddr_type_is_valid(addr->type))
return mgmt_cmd_complete(sk, hdev->id,
@@ -3884,7 +4074,7 @@ static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
u8 status;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (cp->addr.type != BDADDR_BREDR)
return mgmt_cmd_complete(sk, hdev->id,
@@ -3918,7 +4108,7 @@ void mgmt_start_discovery_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status %d", status);
+ bt_dev_dbg(hdev, "status %d", status);
hci_dev_lock(hdev);
@@ -3979,7 +4169,7 @@ static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev,
u8 status;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -4071,7 +4261,7 @@ static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
u8 status;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -4166,7 +4356,7 @@ void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status)
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status %d", status);
+ bt_dev_dbg(hdev, "status %d", status);
hci_dev_lock(hdev);
@@ -4192,7 +4382,7 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_pending_cmd *cmd;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -4234,7 +4424,7 @@ static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
struct inquiry_entry *e;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -4276,7 +4466,7 @@ static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
u8 status;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!bdaddr_type_is_valid(cp->addr.type))
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
@@ -4312,7 +4502,7 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
u8 status;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!bdaddr_type_is_valid(cp->addr.type))
return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
@@ -4349,7 +4539,7 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
int err;
__u16 source;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
source = __le16_to_cpu(cp->source);
@@ -4379,7 +4569,7 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
u16 opcode)
{
- BT_DBG("status %d", status);
+ bt_dev_dbg(hdev, "status %d", status);
}
static void set_advertising_complete(struct hci_dev *hdev, u8 status,
@@ -4465,7 +4655,7 @@ static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
u8 val, status;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
status = mgmt_le_support(hdev);
if (status)
@@ -4574,7 +4764,7 @@ static int set_static_address(struct sock *sk, struct hci_dev *hdev,
struct mgmt_cp_set_static_address *cp = data;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
@@ -4619,7 +4809,7 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
__u16 interval, window;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
@@ -4674,7 +4864,7 @@ static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -4711,7 +4901,7 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
struct hci_request req;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
hdev->hci_ver < BLUETOOTH_VER_1_2)
@@ -4772,7 +4962,7 @@ static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
{
struct mgmt_pending_cmd *cmd;
- BT_DBG("status 0x%02x", status);
+ bt_dev_dbg(hdev, "status 0x%02x", status);
hci_dev_lock(hdev);
@@ -4807,7 +4997,7 @@ static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
struct hci_request req;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
@@ -4917,7 +5107,7 @@ static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
struct mgmt_pending_cmd *cmd;
struct mgmt_mode *cp;
- BT_DBG("%s status %u", hdev->name, status);
+ bt_dev_dbg(hdev, "status %u", status);
hci_dev_lock(hdev);
@@ -4966,7 +5156,7 @@ static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
u8 val;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_sc_capable(hdev) &&
!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
@@ -5052,7 +5242,7 @@ static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
bool changed, use_changed;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
@@ -5099,7 +5289,7 @@ static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
bool changed;
int err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
@@ -5174,7 +5364,7 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
u16 irk_count, expected_len;
int i, err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
@@ -5196,7 +5386,7 @@ static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
MGMT_STATUS_INVALID_PARAMS);
}
- BT_DBG("%s irk_count %u", hdev->name, irk_count);
+ bt_dev_dbg(hdev, "irk_count %u", irk_count);
for (i = 0; i < irk_count; i++) {
struct mgmt_irk_info *key = &cp->irks[i];
@@ -5264,7 +5454,7 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
u16 key_count, expected_len;
int i, err;
- BT_DBG("request for %s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
@@ -5286,7 +5476,7 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
MGMT_STATUS_INVALID_PARAMS);
}
- BT_DBG("%s key_count %u", hdev->name, key_count);
+ bt_dev_dbg(hdev, "key_count %u", key_count);
for (i = 0; i < key_count; i++) {
struct mgmt_ltk_info *key = &cp->keys[i];
@@ -5387,7 +5577,7 @@ static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
u16 handle;
u8 status;
- BT_DBG("status 0x%02x", hci_status);
+ bt_dev_dbg(hdev, "status 0x%02x", hci_status);
hci_dev_lock(hdev);
@@ -5441,7 +5631,7 @@ static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
unsigned long conn_info_age;
int err = 0;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
@@ -5595,7 +5785,7 @@ static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
struct mgmt_pending_cmd *cmd;
struct hci_conn *conn;
- BT_DBG("%s status %u", hdev->name, status);
+ bt_dev_dbg(hdev, "status %u", status);
hci_dev_lock(hdev);
@@ -5632,7 +5822,7 @@ static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
struct hci_conn *conn;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
@@ -5753,8 +5943,8 @@ static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
params->auto_connect = auto_connect;
- BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
- auto_connect);
+ bt_dev_dbg(hdev, "addr %pMR (type %u) auto_connect %u",
+ addr, addr_type, auto_connect);
return 0;
}
@@ -5778,7 +5968,7 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
u8 auto_conn, addr_type;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!bdaddr_type_is_valid(cp->addr.type) ||
!bacmp(&cp->addr.bdaddr, BDADDR_ANY))
@@ -5876,7 +6066,7 @@ static int remove_device(struct sock *sk, struct hci_dev *hdev,
struct mgmt_cp_remove_device *cp = data;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -5985,7 +6175,7 @@ static int remove_device(struct sock *sk, struct hci_dev *hdev,
kfree(p);
}
- BT_DBG("All LE connection parameters were removed");
+ bt_dev_dbg(hdev, "All LE connection parameters were removed");
hci_update_background_scan(hdev);
}
@@ -6028,7 +6218,7 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
MGMT_STATUS_INVALID_PARAMS);
}
- BT_DBG("%s param_count %u", hdev->name, param_count);
+ bt_dev_dbg(hdev, "param_count %u", param_count);
hci_dev_lock(hdev);
@@ -6040,8 +6230,8 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
u16 min, max, latency, timeout;
u8 addr_type;
- BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
- param->addr.type);
+ bt_dev_dbg(hdev, "Adding %pMR (type %u)", &param->addr.bdaddr,
+ param->addr.type);
if (param->addr.type == BDADDR_LE_PUBLIC) {
addr_type = ADDR_LE_DEV_PUBLIC;
@@ -6057,8 +6247,8 @@ static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
latency = le16_to_cpu(param->latency);
timeout = le16_to_cpu(param->timeout);
- BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
- min, max, latency, timeout);
+ bt_dev_dbg(hdev, "min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
+ min, max, latency, timeout);
if (hci_check_conn_params(min, max, latency, timeout) < 0) {
bt_dev_err(hdev, "ignoring invalid connection parameters");
@@ -6091,7 +6281,7 @@ static int set_external_config(struct sock *sk, struct hci_dev *hdev,
bool changed;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (hdev_is_powered(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
@@ -6147,7 +6337,7 @@ static int set_public_address(struct sock *sk, struct hci_dev *hdev,
bool changed;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (hdev_is_powered(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
@@ -6202,7 +6392,7 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
u16 eir_len;
int err;
- BT_DBG("%s status %u", hdev->name, status);
+ bt_dev_dbg(hdev, "status %u", status);
cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
if (!cmd)
@@ -6341,7 +6531,7 @@ static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
u8 status, flags, role, addr[7], hash[16], rand[16];
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (hdev_is_powered(hdev)) {
switch (cp->type) {
@@ -6528,7 +6718,7 @@ static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
u32 supported_flags;
u8 *instance;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
@@ -6671,7 +6861,7 @@ static void add_advertising_complete(struct hci_dev *hdev, u8 status,
struct adv_info *adv_instance, *n;
u8 instance;
- BT_DBG("status %d", status);
+ bt_dev_dbg(hdev, "status %d", status);
hci_dev_lock(hdev);
@@ -6730,7 +6920,7 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
struct mgmt_pending_cmd *cmd;
struct hci_request req;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
status = mgmt_le_support(hdev);
if (status)
@@ -6867,7 +7057,7 @@ static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
struct mgmt_cp_remove_advertising *cp;
struct mgmt_rp_remove_advertising rp;
- BT_DBG("status %d", status);
+ bt_dev_dbg(hdev, "status %d", status);
hci_dev_lock(hdev);
@@ -6899,7 +7089,7 @@ static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
struct hci_request req;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
hci_dev_lock(hdev);
@@ -6971,7 +7161,7 @@ static int get_adv_size_info(struct sock *sk, struct hci_dev *hdev,
u32 flags, supported_flags;
int err;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "sock %p", sk);
if (!lmp_le_capable(hdev))
return mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_ADV_SIZE_INFO,
@@ -7099,6 +7289,14 @@ static const struct hci_mgmt_handler mgmt_handlers[] = {
{ set_blocked_keys, MGMT_OP_SET_BLOCKED_KEYS_SIZE,
HCI_MGMT_VAR_LEN },
{ set_wideband_speech, MGMT_SETTING_SIZE },
+ { read_security_info, MGMT_READ_SECURITY_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED },
+ { read_exp_features_info, MGMT_READ_EXP_FEATURES_INFO_SIZE,
+ HCI_MGMT_UNTRUSTED |
+ HCI_MGMT_HDEV_OPTIONAL },
+ { set_exp_feature, MGMT_SET_EXP_FEATURE_SIZE,
+ HCI_MGMT_VAR_LEN |
+ HCI_MGMT_HDEV_OPTIONAL },
};
void mgmt_index_added(struct hci_dev *hdev)
@@ -7197,7 +7395,7 @@ void mgmt_power_on(struct hci_dev *hdev, int err)
{
struct cmd_lookup match = { NULL, hdev };
- BT_DBG("err %d", err);
+ bt_dev_dbg(hdev, "err %d", err);
hci_dev_lock(hdev);
@@ -7616,7 +7814,7 @@ int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
{
struct mgmt_ev_user_confirm_request ev;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
bacpy(&ev.addr.bdaddr, bdaddr);
ev.addr.type = link_to_bdaddr(link_type, addr_type);
@@ -7632,7 +7830,7 @@ int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
{
struct mgmt_ev_user_passkey_request ev;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
bacpy(&ev.addr.bdaddr, bdaddr);
ev.addr.type = link_to_bdaddr(link_type, addr_type);
@@ -7693,7 +7891,7 @@ int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
{
struct mgmt_ev_passkey_notify ev;
- BT_DBG("%s", hdev->name);
+ bt_dev_dbg(hdev, "bdaddr %pMR", bdaddr);
bacpy(&ev.addr.bdaddr, bdaddr);
ev.addr.type = link_to_bdaddr(link_type, addr_type);
@@ -8112,7 +8310,7 @@ void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
{
struct mgmt_ev_discovering ev;
- BT_DBG("%s discovering %u", hdev->name, discovering);
+ bt_dev_dbg(hdev, "discovering %u", discovering);
memset(&ev, 0, sizeof(ev));
ev.type = hdev->discovery.type;
diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
new file mode 100644
index 000000000000..d6c4e6b5ae77
--- /dev/null
+++ b/net/bluetooth/msft.c
@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google Corporation
+ */
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "msft.h"
+
+#define MSFT_OP_READ_SUPPORTED_FEATURES 0x00
+struct msft_cp_read_supported_features {
+ __u8 sub_opcode;
+} __packed;
+struct msft_rp_read_supported_features {
+ __u8 status;
+ __u8 sub_opcode;
+ __le64 features;
+ __u8 evt_prefix_len;
+ __u8 evt_prefix[0];
+} __packed;
+
+struct msft_data {
+ __u64 features;
+ __u8 evt_prefix_len;
+ __u8 *evt_prefix;
+};
+
+static bool read_supported_features(struct hci_dev *hdev,
+ struct msft_data *msft)
+{
+ struct msft_cp_read_supported_features cp;
+ struct msft_rp_read_supported_features *rp;
+ struct sk_buff *skb;
+
+ cp.sub_opcode = MSFT_OP_READ_SUPPORTED_FEATURES;
+
+ skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "Failed to read MSFT supported features (%ld)",
+ PTR_ERR(skb));
+ return false;
+ }
+
+ if (skb->len < sizeof(*rp)) {
+ bt_dev_err(hdev, "MSFT supported features length mismatch");
+ goto failed;
+ }
+
+ rp = (struct msft_rp_read_supported_features *)skb->data;
+
+ if (rp->sub_opcode != MSFT_OP_READ_SUPPORTED_FEATURES)
+ goto failed;
+
+ if (rp->evt_prefix_len > 0) {
+ msft->evt_prefix = kmemdup(rp->evt_prefix, rp->evt_prefix_len,
+ GFP_KERNEL);
+ if (!msft->evt_prefix)
+ goto failed;
+ }
+
+ msft->evt_prefix_len = rp->evt_prefix_len;
+ msft->features = __le64_to_cpu(rp->features);
+
+ kfree_skb(skb);
+ return true;
+
+failed:
+ kfree_skb(skb);
+ return false;
+}
+
+void msft_do_open(struct hci_dev *hdev)
+{
+ struct msft_data *msft;
+
+ if (hdev->msft_opcode == HCI_OP_NOP)
+ return;
+
+ bt_dev_dbg(hdev, "Initialize MSFT extension");
+
+ msft = kzalloc(sizeof(*msft), GFP_KERNEL);
+ if (!msft)
+ return;
+
+ if (!read_supported_features(hdev, msft)) {
+ kfree(msft);
+ return;
+ }
+
+ hdev->msft_data = msft;
+}
+
+void msft_do_close(struct hci_dev *hdev)
+{
+ struct msft_data *msft = hdev->msft_data;
+
+ if (!msft)
+ return;
+
+ bt_dev_dbg(hdev, "Cleanup of MSFT extension");
+
+ hdev->msft_data = NULL;
+
+ kfree(msft->evt_prefix);
+ kfree(msft);
+}
+
+void msft_vendor_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct msft_data *msft = hdev->msft_data;
+ u8 event;
+
+ if (!msft)
+ return;
+
+ /* When the extension has defined an event prefix, check that it
+ * matches, and otherwise just return.
+ */
+ if (msft->evt_prefix_len > 0) {
+ if (skb->len < msft->evt_prefix_len)
+ return;
+
+ if (memcmp(skb->data, msft->evt_prefix, msft->evt_prefix_len))
+ return;
+
+ skb_pull(skb, msft->evt_prefix_len);
+ }
+
+ /* Every event starts at least with an event code and the rest of
+ * the data is variable and depends on the event code.
+ */
+ if (skb->len < 1)
+ return;
+
+ event = *skb->data;
+ skb_pull(skb, 1);
+
+ bt_dev_dbg(hdev, "MSFT vendor event %u", event);
+}
diff --git a/net/bluetooth/msft.h b/net/bluetooth/msft.h
new file mode 100644
index 000000000000..5aa9130e1f8a
--- /dev/null
+++ b/net/bluetooth/msft.h
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2020 Google Corporation
+ */
+
+#if IS_ENABLED(CONFIG_BT_MSFTEXT)
+
+void msft_do_open(struct hci_dev *hdev);
+void msft_do_close(struct hci_dev *hdev);
+void msft_vendor_evt(struct hci_dev *hdev, struct sk_buff *skb);
+
+#else
+
+static inline void msft_do_open(struct hci_dev *hdev) {}
+static inline void msft_do_close(struct hci_dev *hdev) {}
+static inline void msft_vendor_evt(struct hci_dev *hdev, struct sk_buff *skb) {}
+
+#endif
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index b4eaf21360ef..df14eebe80da 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -64,15 +64,13 @@ static void rfcomm_sk_data_ready(struct rfcomm_dlc *d, struct sk_buff *skb)
static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err)
{
struct sock *sk = d->owner, *parent;
- unsigned long flags;
if (!sk)
return;
BT_DBG("dlc %p state %ld err %d", d, d->state, err);
- local_irq_save(flags);
- bh_lock_sock(sk);
+ spin_lock_bh(&sk->sk_lock.slock);
if (err)
sk->sk_err = err;
@@ -93,8 +91,7 @@ static void rfcomm_sk_state_change(struct rfcomm_dlc *d, int err)
sk->sk_state_change(sk);
}
- bh_unlock_sock(sk);
- local_irq_restore(flags);
+ spin_unlock_bh(&sk->sk_lock.slock);
if (parent && sock_flag(sk, SOCK_ZAPPED)) {
/* We have to drop DLC lock here, otherwise
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 1476a91ce935..c2c5ab05fa7e 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -170,7 +170,6 @@ static int aes_cmac(struct crypto_shash *tfm, const u8 k[16], const u8 *m,
size_t len, u8 mac[16])
{
uint8_t tmp[16], mac_msb[16], msg_msb[CMAC_MSG_MAX];
- SHASH_DESC_ON_STACK(desc, tfm);
int err;
if (len > CMAC_MSG_MAX)
@@ -181,8 +180,6 @@ static int aes_cmac(struct crypto_shash *tfm, const u8 k[16], const u8 *m,
return -EINVAL;
}
- desc->tfm = tfm;
-
/* Swap key and message from LSB to MSB */
swap_buf(k, tmp, 16);
swap_buf(m, msg_msb, len);
@@ -196,8 +193,7 @@ static int aes_cmac(struct crypto_shash *tfm, const u8 k[16], const u8 *m,
return err;
}
- err = crypto_shash_digest(desc, msg_msb, len, mac_msb);
- shash_desc_zero(desc);
+ err = crypto_shash_tfm_digest(tfm, msg_msb, len, mac_msb);
if (err) {
BT_ERR("Hash computation error %d", err);
return err;
@@ -508,7 +504,7 @@ bool smp_irk_matches(struct hci_dev *hdev, const u8 irk[16],
if (!chan || !chan->data)
return false;
- BT_DBG("RPA %pMR IRK %*phN", bdaddr, 16, irk);
+ bt_dev_dbg(hdev, "RPA %pMR IRK %*phN", bdaddr, 16, irk);
err = smp_ah(irk, &bdaddr->b[3], hash);
if (err)
@@ -534,7 +530,7 @@ int smp_generate_rpa(struct hci_dev *hdev, const u8 irk[16], bdaddr_t *rpa)
if (err < 0)
return err;
- BT_DBG("RPA %pMR", rpa);
+ bt_dev_dbg(hdev, "RPA %pMR", rpa);
return 0;
}
@@ -551,7 +547,7 @@ int smp_generate_oob(struct hci_dev *hdev, u8 hash[16], u8 rand[16])
smp = chan->data;
if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) {
- BT_DBG("Using debug keys");
+ bt_dev_dbg(hdev, "Using debug keys");
err = set_ecdh_privkey(smp->tfm_ecdh, debug_sk);
if (err)
return err;
@@ -730,6 +726,10 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
struct hci_dev *hdev = conn->hcon->hdev;
struct smp_chan *smp = chan->data;
+ if (conn->hcon->pending_sec_level == BT_SECURITY_FIPS &&
+ max_key_size != SMP_MAX_ENC_KEY_SIZE)
+ return SMP_ENC_KEY_SIZE;
+
if (max_key_size > hdev->le_max_key_size ||
max_key_size < SMP_MIN_ENC_KEY_SIZE)
return SMP_ENC_KEY_SIZE;
@@ -854,7 +854,7 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
struct l2cap_chan *chan = conn->smp;
struct smp_chan *smp = chan->data;
u32 passkey = 0;
- int ret = 0;
+ int ret;
/* Initialize key for JUST WORKS */
memset(smp->tk, 0, sizeof(smp->tk));
@@ -883,9 +883,16 @@ static int tk_request(struct l2cap_conn *conn, u8 remote_oob, u8 auth,
hcon->io_capability == HCI_IO_NO_INPUT_OUTPUT)
smp->method = JUST_WORKS;
- /* If Just Works, Continue with Zero TK */
+ /* If Just Works, Continue with Zero TK and ask user-space for
+ * confirmation */
if (smp->method == JUST_WORKS) {
- set_bit(SMP_FLAG_TK_VALID, &smp->flags);
+ ret = mgmt_user_confirm_request(hcon->hdev, &hcon->dst,
+ hcon->type,
+ hcon->dst_type,
+ passkey, 1);
+ if (ret)
+ return ret;
+ set_bit(SMP_FLAG_WAIT_USER, &smp->flags);
return 0;
}
@@ -1860,7 +1867,7 @@ static u8 sc_send_public_key(struct smp_chan *smp)
{
struct hci_dev *hdev = smp->conn->hcon->hdev;
- BT_DBG("");
+ bt_dev_dbg(hdev, "");
if (test_bit(SMP_FLAG_LOCAL_OOB, &smp->flags)) {
struct l2cap_chan *chan = hdev->smp_data;
@@ -2194,7 +2201,7 @@ mackey_and_ltk:
if (err)
return SMP_UNSPECIFIED;
- if (smp->method == JUST_WORKS || smp->method == REQ_OOB) {
+ if (smp->method == REQ_OOB) {
if (hcon->out) {
sc_dhkey_check(smp);
SMP_ALLOW_CMD(smp, SMP_CMD_DHKEY_CHECK);
@@ -2209,6 +2216,9 @@ mackey_and_ltk:
confirm_hint = 0;
confirm:
+ if (smp->method == JUST_WORKS)
+ confirm_hint = 1;
+
err = mgmt_user_confirm_request(hcon->hdev, &hcon->dst, hcon->type,
hcon->dst_type, passkey, confirm_hint);
if (err)
@@ -2385,12 +2395,17 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
authreq |= SMP_AUTH_CT2;
}
- /* Require MITM if IO Capability allows or the security level
- * requires it.
+ /* Don't attempt to set MITM if setting is overridden by debugfs
+ * Needed to pass certification test SM/MAS/PKE/BV-01-C
*/
- if (hcon->io_capability != HCI_IO_NO_INPUT_OUTPUT ||
- hcon->pending_sec_level > BT_SECURITY_MEDIUM)
- authreq |= SMP_AUTH_MITM;
+ if (!hci_dev_test_flag(hcon->hdev, HCI_FORCE_NO_MITM)) {
+ /* Require MITM if IO Capability allows or the security level
+ * requires it.
+ */
+ if (hcon->io_capability != HCI_IO_NO_INPUT_OUTPUT ||
+ hcon->pending_sec_level > BT_SECURITY_MEDIUM)
+ authreq |= SMP_AUTH_MITM;
+ }
if (hcon->role == HCI_ROLE_MASTER) {
struct smp_cmd_pairing cp;
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 29dbdd4c29f6..bfd4ccd80847 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -160,16 +160,20 @@ static void *bpf_test_init(const union bpf_attr *kattr, u32 size,
u32 headroom, u32 tailroom)
{
void __user *data_in = u64_to_user_ptr(kattr->test.data_in);
+ u32 user_size = kattr->test.data_size_in;
void *data;
if (size < ETH_HLEN || size > PAGE_SIZE - headroom - tailroom)
return ERR_PTR(-EINVAL);
+ if (user_size > size)
+ return ERR_PTR(-EMSGSIZE);
+
data = kzalloc(size + headroom + tailroom, GFP_USER);
if (!data)
return ERR_PTR(-ENOMEM);
- if (copy_from_user(data + headroom, data_in, size)) {
+ if (copy_from_user(data + headroom, data_in, user_size)) {
kfree(data);
return ERR_PTR(-EFAULT);
}
@@ -470,25 +474,32 @@ out:
int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
union bpf_attr __user *uattr)
{
+ u32 tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+ u32 headroom = XDP_PACKET_HEADROOM;
u32 size = kattr->test.data_size_in;
u32 repeat = kattr->test.repeat;
struct netdev_rx_queue *rxqueue;
struct xdp_buff xdp = {};
u32 retval, duration;
+ u32 max_data_sz;
void *data;
int ret;
if (kattr->test.ctx_in || kattr->test.ctx_out)
return -EINVAL;
- data = bpf_test_init(kattr, size, XDP_PACKET_HEADROOM + NET_IP_ALIGN, 0);
+ /* XDP have extra tailroom as (most) drivers use full page */
+ max_data_sz = 4096 - headroom - tailroom;
+
+ data = bpf_test_init(kattr, max_data_sz, headroom, tailroom);
if (IS_ERR(data))
return PTR_ERR(data);
xdp.data_hard_start = data;
- xdp.data = data + XDP_PACKET_HEADROOM + NET_IP_ALIGN;
+ xdp.data = data + headroom;
xdp.data_meta = xdp.data;
xdp.data_end = xdp.data + size;
+ xdp.frame_sz = headroom + max_data_sz + tailroom;
rxqueue = __netif_get_rx_queue(current->nsproxy->net_ns->loopback_dev, 0);
xdp.rxq = &rxqueue->xdp_rxq;
@@ -496,8 +507,7 @@ int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
ret = bpf_test_run(prog, &xdp, repeat, &retval, &duration, true);
if (ret)
goto out;
- if (xdp.data != data + XDP_PACKET_HEADROOM + NET_IP_ALIGN ||
- xdp.data_end != xdp.data + size)
+ if (xdp.data != data + headroom || xdp.data_end != xdp.data + size)
size = xdp.data_end - xdp.data;
ret = bpf_test_finish(kattr, uattr, xdp.data, size, retval, duration);
out:
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index e4fb050e2078..51a6414145d2 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -61,3 +61,15 @@ config BRIDGE_VLAN_FILTERING
Say N to exclude this support and reduce the binary size.
If unsure, say Y.
+
+config BRIDGE_MRP
+ bool "MRP protocol"
+ depends on BRIDGE
+ default n
+ help
+ If you say Y here, then the Ethernet bridge will be able to run MRP
+ protocol to detect loops
+
+ Say N to exclude this support and reduce the binary size.
+
+ If unsure, say N.
diff --git a/net/bridge/Makefile b/net/bridge/Makefile
index 49da7ae6f077..ccb394236fbd 100644
--- a/net/bridge/Makefile
+++ b/net/bridge/Makefile
@@ -25,3 +25,5 @@ bridge-$(CONFIG_BRIDGE_VLAN_FILTERING) += br_vlan.o br_vlan_tunnel.o br_vlan_opt
bridge-$(CONFIG_NET_SWITCHDEV) += br_switchdev.o
obj-$(CONFIG_NETFILTER) += netfilter/
+
+bridge-$(CONFIG_BRIDGE_MRP) += br_mrp_switchdev.o br_mrp.o br_mrp_netlink.o
diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c
index 37908561a64b..b18cdf03edb3 100644
--- a/net/bridge/br_arp_nd_proxy.c
+++ b/net/bridge/br_arp_nd_proxy.c
@@ -276,6 +276,10 @@ static void br_nd_send(struct net_bridge *br, struct net_bridge_port *p,
ns_olen = request->len - (skb_network_offset(request) +
sizeof(struct ipv6hdr)) - sizeof(*ns);
for (i = 0; i < ns_olen - 1; i += (ns->opt[i + 1] << 3)) {
+ if (!ns->opt[i + 1]) {
+ kfree_skb(reply);
+ return;
+ }
if (ns->opt[i] == ND_OPT_SOURCE_LL_ADDR) {
daddr = ns->opt + i + sizeof(struct nd_opt_hdr);
break;
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 0e3dbc5f3c34..8ec1362588af 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -463,6 +463,9 @@ void br_dev_setup(struct net_device *dev)
spin_lock_init(&br->lock);
INIT_LIST_HEAD(&br->port_list);
INIT_HLIST_HEAD(&br->fdb_list);
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ INIT_LIST_HEAD(&br->mrp_list);
+#endif
spin_lock_init(&br->hash_lock);
br->bridge_id.prio[0] = 0x80;
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 4fe30b182ee7..a0e9a7937412 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -333,6 +333,8 @@ static void del_nbp(struct net_bridge_port *p)
br_stp_disable_port(p);
spin_unlock_bh(&br->lock);
+ br_mrp_port_del(br, p);
+
br_ifinfo_notify(RTM_DELLINK, NULL, p);
list_del_rcu(&p->list);
@@ -561,18 +563,32 @@ int br_add_if(struct net_bridge *br, struct net_device *dev,
unsigned br_hr, dev_hr;
bool changed_addr;
- /* Don't allow bridging non-ethernet like devices, or DSA-enabled
- * master network devices since the bridge layer rx_handler prevents
- * the DSA fake ethertype handler to be invoked, so we do not strip off
- * the DSA switch tag protocol header and the bridge layer just return
- * RX_HANDLER_CONSUMED, stopping RX processing for these frames.
- */
+ /* Don't allow bridging non-ethernet like devices. */
if ((dev->flags & IFF_LOOPBACK) ||
dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN ||
- !is_valid_ether_addr(dev->dev_addr) ||
- netdev_uses_dsa(dev))
+ !is_valid_ether_addr(dev->dev_addr))
return -EINVAL;
+ /* Also don't allow bridging of net devices that are DSA masters, since
+ * the bridge layer rx_handler prevents the DSA fake ethertype handler
+ * to be invoked, so we don't get the chance to strip off and parse the
+ * DSA switch tag protocol header (the bridge layer just returns
+ * RX_HANDLER_CONSUMED, stopping RX processing for these frames).
+ * The only case where that would not be an issue is when bridging can
+ * already be offloaded, such as when the DSA master is itself a DSA
+ * or plain switchdev port, and is bridged only with other ports from
+ * the same hardware device.
+ */
+ if (netdev_uses_dsa(dev)) {
+ list_for_each_entry(p, &br->port_list, list) {
+ if (!netdev_port_same_parent_id(dev, p->dev)) {
+ NL_SET_ERR_MSG(extack,
+ "Cannot do software bridging with a DSA master");
+ return -EINVAL;
+ }
+ }
+ }
+
/* No bridging of bridges */
if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit) {
NL_SET_ERR_MSG(extack,
@@ -616,7 +632,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev,
if (err)
goto err3;
- err = netdev_rx_handler_register(dev, br_handle_frame, p);
+ err = netdev_rx_handler_register(dev, br_get_rx_handler(dev), p);
if (err)
goto err4;
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index fcc260840028..59a318b9f646 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -17,6 +17,7 @@
#endif
#include <linux/neighbour.h>
#include <net/arp.h>
+#include <net/dsa.h>
#include <linux/export.h>
#include <linux/rculist.h>
#include "br_private.h"
@@ -257,7 +258,7 @@ frame_finish:
* Return NULL if skb is handled
* note: already called with rcu_read_lock
*/
-rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
+static rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
{
struct net_bridge_port *p;
struct sk_buff *skb = *pskb;
@@ -342,6 +343,9 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
}
}
+ if (unlikely(br_mrp_process(p, skb)))
+ return RX_HANDLER_PASS;
+
forward:
switch (p->state) {
case BR_STATE_FORWARDING:
@@ -356,3 +360,23 @@ drop:
}
return RX_HANDLER_CONSUMED;
}
+
+/* This function has no purpose other than to appease the br_port_get_rcu/rtnl
+ * helpers which identify bridged ports according to the rx_handler installed
+ * on them (so there _needs_ to be a bridge rx_handler even if we don't need it
+ * to do anything useful). This bridge won't support traffic to/from the stack,
+ * but only hardware bridging. So return RX_HANDLER_PASS so we don't steal
+ * frames from the ETH_P_XDSA packet_type handler.
+ */
+static rx_handler_result_t br_handle_frame_dummy(struct sk_buff **pskb)
+{
+ return RX_HANDLER_PASS;
+}
+
+rx_handler_func_t *br_get_rx_handler(const struct net_device *dev)
+{
+ if (netdev_uses_dsa(dev))
+ return br_handle_frame_dummy;
+
+ return br_handle_frame;
+}
diff --git a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
index ae22d784b88a..5e71fc8b826f 100644
--- a/net/bridge/br_ioctl.c
+++ b/net/bridge/br_ioctl.c
@@ -242,8 +242,7 @@ static int old_dev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
if (!ns_capable(dev_net(dev)->user_ns, CAP_NET_ADMIN))
return -EPERM;
- br_stp_set_enabled(br, args[1]);
- ret = 0;
+ ret = br_stp_set_enabled(br, args[1], NULL);
break;
case BRCTL_SET_BRIDGE_PRIORITY:
diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
new file mode 100644
index 000000000000..24986ec7d38c
--- /dev/null
+++ b/net/bridge/br_mrp.c
@@ -0,0 +1,677 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <linux/mrp_bridge.h>
+#include "br_private_mrp.h"
+
+static const u8 mrp_test_dmac[ETH_ALEN] = { 0x1, 0x15, 0x4e, 0x0, 0x0, 0x1 };
+
+static struct net_bridge_port *br_mrp_get_port(struct net_bridge *br,
+ u32 ifindex)
+{
+ struct net_bridge_port *res = NULL;
+ struct net_bridge_port *port;
+
+ list_for_each_entry(port, &br->port_list, list) {
+ if (port->dev->ifindex == ifindex) {
+ res = port;
+ break;
+ }
+ }
+
+ return res;
+}
+
+static struct br_mrp *br_mrp_find_id(struct net_bridge *br, u32 ring_id)
+{
+ struct br_mrp *res = NULL;
+ struct br_mrp *mrp;
+
+ list_for_each_entry_rcu(mrp, &br->mrp_list, list,
+ lockdep_rtnl_is_held()) {
+ if (mrp->ring_id == ring_id) {
+ res = mrp;
+ break;
+ }
+ }
+
+ return res;
+}
+
+static bool br_mrp_unique_ifindex(struct net_bridge *br, u32 ifindex)
+{
+ struct br_mrp *mrp;
+
+ list_for_each_entry_rcu(mrp, &br->mrp_list, list,
+ lockdep_rtnl_is_held()) {
+ struct net_bridge_port *p;
+
+ p = rtnl_dereference(mrp->p_port);
+ if (p && p->dev->ifindex == ifindex)
+ return false;
+
+ p = rtnl_dereference(mrp->s_port);
+ if (p && p->dev->ifindex == ifindex)
+ return false;
+ }
+
+ return true;
+}
+
+static struct br_mrp *br_mrp_find_port(struct net_bridge *br,
+ struct net_bridge_port *p)
+{
+ struct br_mrp *res = NULL;
+ struct br_mrp *mrp;
+
+ list_for_each_entry_rcu(mrp, &br->mrp_list, list,
+ lockdep_rtnl_is_held()) {
+ if (rcu_access_pointer(mrp->p_port) == p ||
+ rcu_access_pointer(mrp->s_port) == p) {
+ res = mrp;
+ break;
+ }
+ }
+
+ return res;
+}
+
+static int br_mrp_next_seq(struct br_mrp *mrp)
+{
+ mrp->seq_id++;
+ return mrp->seq_id;
+}
+
+static struct sk_buff *br_mrp_skb_alloc(struct net_bridge_port *p,
+ const u8 *src, const u8 *dst)
+{
+ struct ethhdr *eth_hdr;
+ struct sk_buff *skb;
+ u16 *version;
+
+ skb = dev_alloc_skb(MRP_MAX_FRAME_LENGTH);
+ if (!skb)
+ return NULL;
+
+ skb->dev = p->dev;
+ skb->protocol = htons(ETH_P_MRP);
+ skb->priority = MRP_FRAME_PRIO;
+ skb_reserve(skb, sizeof(*eth_hdr));
+
+ eth_hdr = skb_push(skb, sizeof(*eth_hdr));
+ ether_addr_copy(eth_hdr->h_dest, dst);
+ ether_addr_copy(eth_hdr->h_source, src);
+ eth_hdr->h_proto = htons(ETH_P_MRP);
+
+ version = skb_put(skb, sizeof(*version));
+ *version = cpu_to_be16(MRP_VERSION);
+
+ return skb;
+}
+
+static void br_mrp_skb_tlv(struct sk_buff *skb,
+ enum br_mrp_tlv_header_type type,
+ u8 length)
+{
+ struct br_mrp_tlv_hdr *hdr;
+
+ hdr = skb_put(skb, sizeof(*hdr));
+ hdr->type = type;
+ hdr->length = length;
+}
+
+static void br_mrp_skb_common(struct sk_buff *skb, struct br_mrp *mrp)
+{
+ struct br_mrp_common_hdr *hdr;
+
+ br_mrp_skb_tlv(skb, BR_MRP_TLV_HEADER_COMMON, sizeof(*hdr));
+
+ hdr = skb_put(skb, sizeof(*hdr));
+ hdr->seq_id = cpu_to_be16(br_mrp_next_seq(mrp));
+ memset(hdr->domain, 0xff, MRP_DOMAIN_UUID_LENGTH);
+}
+
+static struct sk_buff *br_mrp_alloc_test_skb(struct br_mrp *mrp,
+ struct net_bridge_port *p,
+ enum br_mrp_port_role_type port_role)
+{
+ struct br_mrp_ring_test_hdr *hdr = NULL;
+ struct sk_buff *skb = NULL;
+
+ if (!p)
+ return NULL;
+
+ skb = br_mrp_skb_alloc(p, p->dev->dev_addr, mrp_test_dmac);
+ if (!skb)
+ return NULL;
+
+ br_mrp_skb_tlv(skb, BR_MRP_TLV_HEADER_RING_TEST, sizeof(*hdr));
+ hdr = skb_put(skb, sizeof(*hdr));
+
+ hdr->prio = cpu_to_be16(mrp->prio);
+ ether_addr_copy(hdr->sa, p->br->dev->dev_addr);
+ hdr->port_role = cpu_to_be16(port_role);
+ hdr->state = cpu_to_be16(mrp->ring_state);
+ hdr->transitions = cpu_to_be16(mrp->ring_transitions);
+ hdr->timestamp = cpu_to_be32(jiffies_to_msecs(jiffies));
+
+ br_mrp_skb_common(skb, mrp);
+ br_mrp_skb_tlv(skb, BR_MRP_TLV_HEADER_END, 0x0);
+
+ return skb;
+}
+
+/* This function is continuously called in the following cases:
+ * - when node role is MRM, in this case test_monitor is always set to false
+ * because it needs to notify the userspace that the ring is open and needs to
+ * send MRP_Test frames
+ * - when node role is MRA, there are 2 subcases:
+ * - when MRA behaves as MRM, in this case is similar with MRM role
+ * - when MRA behaves as MRC, in this case test_monitor is set to true,
+ * because it needs to detect when it stops seeing MRP_Test frames
+ * from MRM node but it doesn't need to send MRP_Test frames.
+ */
+static void br_mrp_test_work_expired(struct work_struct *work)
+{
+ struct delayed_work *del_work = to_delayed_work(work);
+ struct br_mrp *mrp = container_of(del_work, struct br_mrp, test_work);
+ struct net_bridge_port *p;
+ bool notify_open = false;
+ struct sk_buff *skb;
+
+ if (time_before_eq(mrp->test_end, jiffies))
+ return;
+
+ if (mrp->test_count_miss < mrp->test_max_miss) {
+ mrp->test_count_miss++;
+ } else {
+ /* Notify that the ring is open only if the ring state is
+ * closed, otherwise it would continue to notify at every
+ * interval.
+ * Also notify that the ring is open when the node has the
+ * role MRA and behaves as MRC. The reason is that the
+ * userspace needs to know when the MRM stopped sending
+ * MRP_Test frames so that the current node to try to take
+ * the role of a MRM.
+ */
+ if (mrp->ring_state == BR_MRP_RING_STATE_CLOSED ||
+ mrp->test_monitor)
+ notify_open = true;
+ }
+
+ rcu_read_lock();
+
+ p = rcu_dereference(mrp->p_port);
+ if (p) {
+ if (!mrp->test_monitor) {
+ skb = br_mrp_alloc_test_skb(mrp, p,
+ BR_MRP_PORT_ROLE_PRIMARY);
+ if (!skb)
+ goto out;
+
+ skb_reset_network_header(skb);
+ dev_queue_xmit(skb);
+ }
+
+ if (notify_open && !mrp->ring_role_offloaded)
+ br_mrp_port_open(p->dev, true);
+ }
+
+ p = rcu_dereference(mrp->s_port);
+ if (p) {
+ if (!mrp->test_monitor) {
+ skb = br_mrp_alloc_test_skb(mrp, p,
+ BR_MRP_PORT_ROLE_SECONDARY);
+ if (!skb)
+ goto out;
+
+ skb_reset_network_header(skb);
+ dev_queue_xmit(skb);
+ }
+
+ if (notify_open && !mrp->ring_role_offloaded)
+ br_mrp_port_open(p->dev, true);
+ }
+
+out:
+ rcu_read_unlock();
+
+ queue_delayed_work(system_wq, &mrp->test_work,
+ usecs_to_jiffies(mrp->test_interval));
+}
+
+/* Deletes the MRP instance.
+ * note: called under rtnl_lock
+ */
+static void br_mrp_del_impl(struct net_bridge *br, struct br_mrp *mrp)
+{
+ struct net_bridge_port *p;
+ u8 state;
+
+ /* Stop sending MRP_Test frames */
+ cancel_delayed_work_sync(&mrp->test_work);
+ br_mrp_switchdev_send_ring_test(br, mrp, 0, 0, 0, 0);
+
+ br_mrp_switchdev_del(br, mrp);
+
+ /* Reset the ports */
+ p = rtnl_dereference(mrp->p_port);
+ if (p) {
+ spin_lock_bh(&br->lock);
+ state = netif_running(br->dev) ?
+ BR_STATE_FORWARDING : BR_STATE_DISABLED;
+ p->state = state;
+ p->flags &= ~BR_MRP_AWARE;
+ spin_unlock_bh(&br->lock);
+ br_mrp_port_switchdev_set_state(p, state);
+ rcu_assign_pointer(mrp->p_port, NULL);
+ }
+
+ p = rtnl_dereference(mrp->s_port);
+ if (p) {
+ spin_lock_bh(&br->lock);
+ state = netif_running(br->dev) ?
+ BR_STATE_FORWARDING : BR_STATE_DISABLED;
+ p->state = state;
+ p->flags &= ~BR_MRP_AWARE;
+ spin_unlock_bh(&br->lock);
+ br_mrp_port_switchdev_set_state(p, state);
+ rcu_assign_pointer(mrp->s_port, NULL);
+ }
+
+ list_del_rcu(&mrp->list);
+ kfree_rcu(mrp, rcu);
+}
+
+/* Adds a new MRP instance.
+ * note: called under rtnl_lock
+ */
+int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance)
+{
+ struct net_bridge_port *p;
+ struct br_mrp *mrp;
+ int err;
+
+ /* If the ring exists, it is not possible to create another one with the
+ * same ring_id
+ */
+ mrp = br_mrp_find_id(br, instance->ring_id);
+ if (mrp)
+ return -EINVAL;
+
+ if (!br_mrp_get_port(br, instance->p_ifindex) ||
+ !br_mrp_get_port(br, instance->s_ifindex))
+ return -EINVAL;
+
+ /* It is not possible to have the same port part of multiple rings */
+ if (!br_mrp_unique_ifindex(br, instance->p_ifindex) ||
+ !br_mrp_unique_ifindex(br, instance->s_ifindex))
+ return -EINVAL;
+
+ mrp = kzalloc(sizeof(*mrp), GFP_KERNEL);
+ if (!mrp)
+ return -ENOMEM;
+
+ mrp->ring_id = instance->ring_id;
+ mrp->prio = instance->prio;
+
+ p = br_mrp_get_port(br, instance->p_ifindex);
+ spin_lock_bh(&br->lock);
+ p->state = BR_STATE_FORWARDING;
+ p->flags |= BR_MRP_AWARE;
+ spin_unlock_bh(&br->lock);
+ rcu_assign_pointer(mrp->p_port, p);
+
+ p = br_mrp_get_port(br, instance->s_ifindex);
+ spin_lock_bh(&br->lock);
+ p->state = BR_STATE_FORWARDING;
+ p->flags |= BR_MRP_AWARE;
+ spin_unlock_bh(&br->lock);
+ rcu_assign_pointer(mrp->s_port, p);
+
+ INIT_DELAYED_WORK(&mrp->test_work, br_mrp_test_work_expired);
+ list_add_tail_rcu(&mrp->list, &br->mrp_list);
+
+ err = br_mrp_switchdev_add(br, mrp);
+ if (err)
+ goto delete_mrp;
+
+ return 0;
+
+delete_mrp:
+ br_mrp_del_impl(br, mrp);
+
+ return err;
+}
+
+/* Deletes the MRP instance from which the port is part of
+ * note: called under rtnl_lock
+ */
+void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p)
+{
+ struct br_mrp *mrp = br_mrp_find_port(br, p);
+
+ /* If the port is not part of a MRP instance just bail out */
+ if (!mrp)
+ return;
+
+ br_mrp_del_impl(br, mrp);
+}
+
+/* Deletes existing MRP instance based on ring_id
+ * note: called under rtnl_lock
+ */
+int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance)
+{
+ struct br_mrp *mrp = br_mrp_find_id(br, instance->ring_id);
+
+ if (!mrp)
+ return -EINVAL;
+
+ br_mrp_del_impl(br, mrp);
+
+ return 0;
+}
+
+/* Set port state, port state can be forwarding, blocked or disabled
+ * note: already called with rtnl_lock
+ */
+int br_mrp_set_port_state(struct net_bridge_port *p,
+ enum br_mrp_port_state_type state)
+{
+ if (!p || !(p->flags & BR_MRP_AWARE))
+ return -EINVAL;
+
+ spin_lock_bh(&p->br->lock);
+
+ if (state == BR_MRP_PORT_STATE_FORWARDING)
+ p->state = BR_STATE_FORWARDING;
+ else
+ p->state = BR_STATE_BLOCKING;
+
+ spin_unlock_bh(&p->br->lock);
+
+ br_mrp_port_switchdev_set_state(p, state);
+
+ return 0;
+}
+
+/* Set port role, port role can be primary or secondary
+ * note: already called with rtnl_lock
+ */
+int br_mrp_set_port_role(struct net_bridge_port *p,
+ enum br_mrp_port_role_type role)
+{
+ struct br_mrp *mrp;
+
+ if (!p || !(p->flags & BR_MRP_AWARE))
+ return -EINVAL;
+
+ mrp = br_mrp_find_port(p->br, p);
+
+ if (!mrp)
+ return -EINVAL;
+
+ if (role == BR_MRP_PORT_ROLE_PRIMARY)
+ rcu_assign_pointer(mrp->p_port, p);
+ else
+ rcu_assign_pointer(mrp->s_port, p);
+
+ br_mrp_port_switchdev_set_role(p, role);
+
+ return 0;
+}
+
+/* Set ring state, ring state can be only Open or Closed
+ * note: already called with rtnl_lock
+ */
+int br_mrp_set_ring_state(struct net_bridge *br,
+ struct br_mrp_ring_state *state)
+{
+ struct br_mrp *mrp = br_mrp_find_id(br, state->ring_id);
+
+ if (!mrp)
+ return -EINVAL;
+
+ if (mrp->ring_state == BR_MRP_RING_STATE_CLOSED &&
+ state->ring_state != BR_MRP_RING_STATE_CLOSED)
+ mrp->ring_transitions++;
+
+ mrp->ring_state = state->ring_state;
+
+ br_mrp_switchdev_set_ring_state(br, mrp, state->ring_state);
+
+ return 0;
+}
+
+/* Set ring role, ring role can be only MRM(Media Redundancy Manager) or
+ * MRC(Media Redundancy Client).
+ * note: already called with rtnl_lock
+ */
+int br_mrp_set_ring_role(struct net_bridge *br,
+ struct br_mrp_ring_role *role)
+{
+ struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);
+ int err;
+
+ if (!mrp)
+ return -EINVAL;
+
+ mrp->ring_role = role->ring_role;
+
+ /* If there is an error just bailed out */
+ err = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ /* Now detect if the HW actually applied the role or not. If the HW
+ * applied the role it means that the SW will not to do those operations
+ * anymore. For example if the role ir MRM then the HW will notify the
+ * SW when ring is open, but if the is not pushed to the HW the SW will
+ * need to detect when the ring is open
+ */
+ mrp->ring_role_offloaded = err == -EOPNOTSUPP ? 0 : 1;
+
+ return 0;
+}
+
+/* Start to generate or monitor MRP test frames, the frames are generated by
+ * HW and if it fails, they are generated by the SW.
+ * note: already called with rtnl_lock
+ */
+int br_mrp_start_test(struct net_bridge *br,
+ struct br_mrp_start_test *test)
+{
+ struct br_mrp *mrp = br_mrp_find_id(br, test->ring_id);
+
+ if (!mrp)
+ return -EINVAL;
+
+ /* Try to push it to the HW and if it fails then continue with SW
+ * implementation and if that also fails then return error.
+ */
+ if (!br_mrp_switchdev_send_ring_test(br, mrp, test->interval,
+ test->max_miss, test->period,
+ test->monitor))
+ return 0;
+
+ mrp->test_interval = test->interval;
+ mrp->test_end = jiffies + usecs_to_jiffies(test->period);
+ mrp->test_max_miss = test->max_miss;
+ mrp->test_monitor = test->monitor;
+ mrp->test_count_miss = 0;
+ queue_delayed_work(system_wq, &mrp->test_work,
+ usecs_to_jiffies(test->interval));
+
+ return 0;
+}
+
+/* Process only MRP Test frame. All the other MRP frames are processed by
+ * userspace application
+ * note: already called with rcu_read_lock
+ */
+static void br_mrp_mrm_process(struct br_mrp *mrp, struct net_bridge_port *port,
+ struct sk_buff *skb)
+{
+ const struct br_mrp_tlv_hdr *hdr;
+ struct br_mrp_tlv_hdr _hdr;
+
+ /* Each MRP header starts with a version field which is 16 bits.
+ * Therefore skip the version and get directly the TLV header.
+ */
+ hdr = skb_header_pointer(skb, sizeof(uint16_t), sizeof(_hdr), &_hdr);
+ if (!hdr)
+ return;
+
+ if (hdr->type != BR_MRP_TLV_HEADER_RING_TEST)
+ return;
+
+ mrp->test_count_miss = 0;
+
+ /* Notify the userspace that the ring is closed only when the ring is
+ * not closed
+ */
+ if (mrp->ring_state != BR_MRP_RING_STATE_CLOSED)
+ br_mrp_port_open(port->dev, false);
+}
+
+/* Determin if the test hdr has a better priority than the node */
+static bool br_mrp_test_better_than_own(struct br_mrp *mrp,
+ struct net_bridge *br,
+ const struct br_mrp_ring_test_hdr *hdr)
+{
+ u16 prio = be16_to_cpu(hdr->prio);
+
+ if (prio < mrp->prio ||
+ (prio == mrp->prio &&
+ ether_addr_to_u64(hdr->sa) < ether_addr_to_u64(br->dev->dev_addr)))
+ return true;
+
+ return false;
+}
+
+/* Process only MRP Test frame. All the other MRP frames are processed by
+ * userspace application
+ * note: already called with rcu_read_lock
+ */
+static void br_mrp_mra_process(struct br_mrp *mrp, struct net_bridge *br,
+ struct net_bridge_port *port,
+ struct sk_buff *skb)
+{
+ const struct br_mrp_ring_test_hdr *test_hdr;
+ struct br_mrp_ring_test_hdr _test_hdr;
+ const struct br_mrp_tlv_hdr *hdr;
+ struct br_mrp_tlv_hdr _hdr;
+
+ /* Each MRP header starts with a version field which is 16 bits.
+ * Therefore skip the version and get directly the TLV header.
+ */
+ hdr = skb_header_pointer(skb, sizeof(uint16_t), sizeof(_hdr), &_hdr);
+ if (!hdr)
+ return;
+
+ if (hdr->type != BR_MRP_TLV_HEADER_RING_TEST)
+ return;
+
+ test_hdr = skb_header_pointer(skb, sizeof(uint16_t) + sizeof(_hdr),
+ sizeof(_test_hdr), &_test_hdr);
+ if (!test_hdr)
+ return;
+
+ /* Only frames that have a better priority than the node will
+ * clear the miss counter because otherwise the node will need to behave
+ * as MRM.
+ */
+ if (br_mrp_test_better_than_own(mrp, br, test_hdr))
+ mrp->test_count_miss = 0;
+}
+
+/* This will just forward the frame to the other mrp ring port(MRC role) or will
+ * not do anything.
+ * note: already called with rcu_read_lock
+ */
+static int br_mrp_rcv(struct net_bridge_port *p,
+ struct sk_buff *skb, struct net_device *dev)
+{
+ struct net_device *s_dev, *p_dev, *d_dev;
+ struct net_bridge_port *p_port, *s_port;
+ struct net_bridge *br;
+ struct sk_buff *nskb;
+ struct br_mrp *mrp;
+
+ /* If port is disabled don't accept any frames */
+ if (p->state == BR_STATE_DISABLED)
+ return 0;
+
+ br = p->br;
+ mrp = br_mrp_find_port(br, p);
+ if (unlikely(!mrp))
+ return 0;
+
+ p_port = rcu_dereference(mrp->p_port);
+ if (!p_port)
+ return 0;
+
+ s_port = rcu_dereference(mrp->s_port);
+ if (!s_port)
+ return 0;
+
+ /* If the role is MRM then don't forward the frames */
+ if (mrp->ring_role == BR_MRP_RING_ROLE_MRM) {
+ br_mrp_mrm_process(mrp, p, skb);
+ return 1;
+ }
+
+ /* If the role is MRA then don't forward the frames if it behaves as
+ * MRM node
+ */
+ if (mrp->ring_role == BR_MRP_RING_ROLE_MRA) {
+ if (!mrp->test_monitor) {
+ br_mrp_mrm_process(mrp, p, skb);
+ return 1;
+ }
+
+ br_mrp_mra_process(mrp, br, p, skb);
+ }
+
+ /* Clone the frame and forward it on the other MRP port */
+ nskb = skb_clone(skb, GFP_ATOMIC);
+ if (!nskb)
+ return 0;
+
+ p_dev = p_port->dev;
+ s_dev = s_port->dev;
+
+ if (p_dev == dev)
+ d_dev = s_dev;
+ else
+ d_dev = p_dev;
+
+ nskb->dev = d_dev;
+ skb_push(nskb, ETH_HLEN);
+ dev_queue_xmit(nskb);
+
+ return 1;
+}
+
+/* Check if the frame was received on a port that is part of MRP ring
+ * and if the frame has MRP eth. In that case process the frame otherwise do
+ * normal forwarding.
+ * note: already called with rcu_read_lock
+ */
+int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb)
+{
+ /* If there is no MRP instance do normal forwarding */
+ if (likely(!(p->flags & BR_MRP_AWARE)))
+ goto out;
+
+ if (unlikely(skb->protocol == htons(ETH_P_MRP)))
+ return br_mrp_rcv(p, skb, p->dev);
+
+out:
+ return 0;
+}
+
+bool br_mrp_enabled(struct net_bridge *br)
+{
+ return !list_empty(&br->mrp_list);
+}
diff --git a/net/bridge/br_mrp_netlink.c b/net/bridge/br_mrp_netlink.c
new file mode 100644
index 000000000000..34b3a8776991
--- /dev/null
+++ b/net/bridge/br_mrp_netlink.c
@@ -0,0 +1,327 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <net/genetlink.h>
+
+#include <uapi/linux/mrp_bridge.h>
+#include "br_private.h"
+#include "br_private_mrp.h"
+
+static const struct nla_policy br_mrp_policy[IFLA_BRIDGE_MRP_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_INSTANCE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_PORT_STATE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_PORT_ROLE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_RING_STATE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_RING_ROLE] = { .type = NLA_NESTED },
+ [IFLA_BRIDGE_MRP_START_TEST] = { .type = NLA_NESTED },
+};
+
+static const struct nla_policy
+br_mrp_instance_policy[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_INSTANCE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_INSTANCE_RING_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_INSTANCE_PRIO] = { .type = NLA_U16 },
+};
+
+static int br_mrp_instance_parse(struct net_bridge *br, struct nlattr *attr,
+ int cmd, struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_INSTANCE_MAX + 1];
+ struct br_mrp_instance inst;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_INSTANCE_MAX, attr,
+ br_mrp_instance_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID] ||
+ !tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX] ||
+ !tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or P_IFINDEX or S_IFINDEX");
+ return -EINVAL;
+ }
+
+ memset(&inst, 0, sizeof(inst));
+
+ inst.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_RING_ID]);
+ inst.p_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_P_IFINDEX]);
+ inst.s_ifindex = nla_get_u32(tb[IFLA_BRIDGE_MRP_INSTANCE_S_IFINDEX]);
+ inst.prio = MRP_DEFAULT_PRIO;
+
+ if (tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO])
+ inst.prio = nla_get_u16(tb[IFLA_BRIDGE_MRP_INSTANCE_PRIO]);
+
+ if (cmd == RTM_SETLINK)
+ return br_mrp_add(br, &inst);
+ else
+ return br_mrp_del(br, &inst);
+
+ return 0;
+}
+
+static const struct nla_policy
+br_mrp_port_state_policy[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_PORT_STATE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_PORT_STATE_STATE] = { .type = NLA_U32 },
+};
+
+static int br_mrp_port_state_parse(struct net_bridge_port *p,
+ struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_STATE_MAX + 1];
+ enum br_mrp_port_state_type state;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_STATE_MAX, attr,
+ br_mrp_port_state_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE]) {
+ NL_SET_ERR_MSG_MOD(extack, "Missing attribute: STATE");
+ return -EINVAL;
+ }
+
+ state = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_STATE_STATE]);
+
+ return br_mrp_set_port_state(p, state);
+}
+
+static const struct nla_policy
+br_mrp_port_role_policy[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_PORT_ROLE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_PORT_ROLE_ROLE] = { .type = NLA_U32 },
+};
+
+static int br_mrp_port_role_parse(struct net_bridge_port *p,
+ struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_PORT_ROLE_MAX + 1];
+ enum br_mrp_port_role_type role;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_PORT_ROLE_MAX, attr,
+ br_mrp_port_role_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]) {
+ NL_SET_ERR_MSG_MOD(extack, "Missing attribute: ROLE");
+ return -EINVAL;
+ }
+
+ role = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]);
+
+ return br_mrp_set_port_role(p, role);
+}
+
+static const struct nla_policy
+br_mrp_ring_state_policy[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_RING_STATE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_RING_STATE_RING_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_RING_STATE_STATE] = { .type = NLA_U32 },
+};
+
+static int br_mrp_ring_state_parse(struct net_bridge *br, struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_RING_STATE_MAX + 1];
+ struct br_mrp_ring_state state;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_STATE_MAX, attr,
+ br_mrp_ring_state_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID] ||
+ !tb[IFLA_BRIDGE_MRP_RING_STATE_STATE]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or STATE");
+ return -EINVAL;
+ }
+
+ memset(&state, 0x0, sizeof(state));
+
+ state.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_RING_ID]);
+ state.ring_state = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_STATE_STATE]);
+
+ return br_mrp_set_ring_state(br, &state);
+}
+
+static const struct nla_policy
+br_mrp_ring_role_policy[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_RING_ROLE_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_RING_ROLE_ROLE] = { .type = NLA_U32 },
+};
+
+static int br_mrp_ring_role_parse(struct net_bridge *br, struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_RING_ROLE_MAX + 1];
+ struct br_mrp_ring_role role;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_RING_ROLE_MAX, attr,
+ br_mrp_ring_role_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID] ||
+ !tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or ROLE");
+ return -EINVAL;
+ }
+
+ memset(&role, 0x0, sizeof(role));
+
+ role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID]);
+ role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]);
+
+ return br_mrp_set_ring_role(br, &role);
+}
+
+static const struct nla_policy
+br_mrp_start_test_policy[IFLA_BRIDGE_MRP_START_TEST_MAX + 1] = {
+ [IFLA_BRIDGE_MRP_START_TEST_UNSPEC] = { .type = NLA_REJECT },
+ [IFLA_BRIDGE_MRP_START_TEST_RING_ID] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_TEST_INTERVAL] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_TEST_PERIOD] = { .type = NLA_U32 },
+ [IFLA_BRIDGE_MRP_START_TEST_MONITOR] = { .type = NLA_U32 },
+};
+
+static int br_mrp_start_test_parse(struct net_bridge *br, struct nlattr *attr,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_START_TEST_MAX + 1];
+ struct br_mrp_start_test test;
+ int err;
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_START_TEST_MAX, attr,
+ br_mrp_start_test_policy, extack);
+ if (err)
+ return err;
+
+ if (!tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID] ||
+ !tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL] ||
+ !tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS] ||
+ !tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD]) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Missing attribute: RING_ID or INTERVAL or MAX_MISS or PERIOD");
+ return -EINVAL;
+ }
+
+ memset(&test, 0x0, sizeof(test));
+
+ test.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_RING_ID]);
+ test.interval = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_INTERVAL]);
+ test.max_miss = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_MAX_MISS]);
+ test.period = nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_PERIOD]);
+ test.monitor = false;
+
+ if (tb[IFLA_BRIDGE_MRP_START_TEST_MONITOR])
+ test.monitor =
+ nla_get_u32(tb[IFLA_BRIDGE_MRP_START_TEST_MONITOR]);
+
+ return br_mrp_start_test(br, &test);
+}
+
+int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
+ struct nlattr *attr, int cmd, struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[IFLA_BRIDGE_MRP_MAX + 1];
+ int err;
+
+ /* When this function is called for a port then the br pointer is
+ * invalid, therefor set the br to point correctly
+ */
+ if (p)
+ br = p->br;
+
+ if (br->stp_enabled != BR_NO_STP) {
+ NL_SET_ERR_MSG_MOD(extack, "MRP can't be enabled if STP is already enabled");
+ return -EINVAL;
+ }
+
+ err = nla_parse_nested(tb, IFLA_BRIDGE_MRP_MAX, attr,
+ br_mrp_policy, extack);
+ if (err)
+ return err;
+
+ if (tb[IFLA_BRIDGE_MRP_INSTANCE]) {
+ err = br_mrp_instance_parse(br, tb[IFLA_BRIDGE_MRP_INSTANCE],
+ cmd, extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_PORT_STATE]) {
+ err = br_mrp_port_state_parse(p, tb[IFLA_BRIDGE_MRP_PORT_STATE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_PORT_ROLE]) {
+ err = br_mrp_port_role_parse(p, tb[IFLA_BRIDGE_MRP_PORT_ROLE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_RING_STATE]) {
+ err = br_mrp_ring_state_parse(br,
+ tb[IFLA_BRIDGE_MRP_RING_STATE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_RING_ROLE]) {
+ err = br_mrp_ring_role_parse(br, tb[IFLA_BRIDGE_MRP_RING_ROLE],
+ extack);
+ if (err)
+ return err;
+ }
+
+ if (tb[IFLA_BRIDGE_MRP_START_TEST]) {
+ err = br_mrp_start_test_parse(br,
+ tb[IFLA_BRIDGE_MRP_START_TEST],
+ extack);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+int br_mrp_port_open(struct net_device *dev, u8 loc)
+{
+ struct net_bridge_port *p;
+ int err = 0;
+
+ p = br_port_get_rcu(dev);
+ if (!p) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ if (loc)
+ p->flags |= BR_MRP_LOST_CONT;
+ else
+ p->flags &= ~BR_MRP_LOST_CONT;
+
+ br_ifinfo_notify(RTM_NEWLINK, NULL, p);
+
+out:
+ return err;
+}
diff --git a/net/bridge/br_mrp_switchdev.c b/net/bridge/br_mrp_switchdev.c
new file mode 100644
index 000000000000..0da68a0da4b5
--- /dev/null
+++ b/net/bridge/br_mrp_switchdev.c
@@ -0,0 +1,143 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <net/switchdev.h>
+
+#include "br_private_mrp.h"
+
+int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp)
+{
+ struct switchdev_obj_mrp mrp_obj = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_MRP,
+ .p_port = rtnl_dereference(mrp->p_port)->dev,
+ .s_port = rtnl_dereference(mrp->s_port)->dev,
+ .ring_id = mrp->ring_id,
+ .prio = mrp->prio,
+ };
+ int err;
+
+ err = switchdev_port_obj_add(br->dev, &mrp_obj.obj, NULL);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp)
+{
+ struct switchdev_obj_mrp mrp_obj = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_MRP,
+ .p_port = NULL,
+ .s_port = NULL,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ err = switchdev_port_obj_del(br->dev, &mrp_obj.obj);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_switchdev_set_ring_role(struct net_bridge *br,
+ struct br_mrp *mrp,
+ enum br_mrp_ring_role_type role)
+{
+ struct switchdev_obj_ring_role_mrp mrp_role = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_ROLE_MRP,
+ .ring_role = role,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ if (role == BR_MRP_RING_ROLE_DISABLED)
+ err = switchdev_port_obj_del(br->dev, &mrp_role.obj);
+ else
+ err = switchdev_port_obj_add(br->dev, &mrp_role.obj, NULL);
+
+ return err;
+}
+
+int br_mrp_switchdev_send_ring_test(struct net_bridge *br,
+ struct br_mrp *mrp, u32 interval,
+ u8 max_miss, u32 period,
+ bool monitor)
+{
+ struct switchdev_obj_ring_test_mrp test = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_TEST_MRP,
+ .interval = interval,
+ .max_miss = max_miss,
+ .ring_id = mrp->ring_id,
+ .period = period,
+ .monitor = monitor,
+ };
+ int err;
+
+ if (interval == 0)
+ err = switchdev_port_obj_del(br->dev, &test.obj);
+ else
+ err = switchdev_port_obj_add(br->dev, &test.obj, NULL);
+
+ return err;
+}
+
+int br_mrp_switchdev_set_ring_state(struct net_bridge *br,
+ struct br_mrp *mrp,
+ enum br_mrp_ring_state_type state)
+{
+ struct switchdev_obj_ring_state_mrp mrp_state = {
+ .obj.orig_dev = br->dev,
+ .obj.id = SWITCHDEV_OBJ_ID_RING_STATE_MRP,
+ .ring_state = state,
+ .ring_id = mrp->ring_id,
+ };
+ int err;
+
+ err = switchdev_port_obj_add(br->dev, &mrp_state.obj, NULL);
+
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
+
+int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
+ enum br_mrp_port_state_type state)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = p->dev,
+ .id = SWITCHDEV_ATTR_ID_MRP_PORT_STATE,
+ .u.mrp_port_state = state,
+ };
+ int err;
+
+ err = switchdev_port_attr_set(p->dev, &attr);
+ if (err && err != -EOPNOTSUPP)
+ br_warn(p->br, "error setting offload MRP state on port %u(%s)\n",
+ (unsigned int)p->port_no, p->dev->name);
+
+ return err;
+}
+
+int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
+ enum br_mrp_port_role_type role)
+{
+ struct switchdev_attr attr = {
+ .orig_dev = p->dev,
+ .id = SWITCHDEV_ATTR_ID_MRP_PORT_ROLE,
+ .u.mrp_port_role = role,
+ };
+ int err;
+
+ err = switchdev_port_attr_set(p->dev, &attr);
+ if (err && err != -EOPNOTSUPP)
+ return err;
+
+ return 0;
+}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index ad12fe3fca8c..83490bf73a13 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2413,7 +2413,8 @@ void br_multicast_uninit_stats(struct net_bridge *br)
free_percpu(br->mcast_stats);
}
-static void mcast_stats_add_dir(u64 *dst, u64 *src)
+/* noinline for https://bugs.llvm.org/show_bug.cgi?id=45802#c9 */
+static noinline_for_stack void mcast_stats_add_dir(u64 *dst, u64 *src)
{
dst[BR_MCAST_DIR_RX] += src[BR_MCAST_DIR_RX];
dst[BR_MCAST_DIR_TX] += src[BR_MCAST_DIR_TX];
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 59980ecfc962..04c3f9a82650 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -1027,7 +1027,7 @@ int br_nf_hook_thresh(unsigned int hook, struct net *net,
#ifdef CONFIG_SYSCTL
static
int brnf_sysctl_call_tables(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 43dab4066f91..240e260e3461 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -151,6 +151,7 @@ static inline size_t br_port_info_size(void)
+ nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MULTICAST_ROUTER */
#endif
+ nla_total_size(sizeof(u16)) /* IFLA_BRPORT_GROUP_FWD_MASK */
+ + nla_total_size(sizeof(u8)) /* IFLA_BRPORT_MRP_RING_OPEN */
+ 0;
}
@@ -213,6 +214,8 @@ static int br_port_fill_attrs(struct sk_buff *skb,
nla_put_u16(skb, IFLA_BRPORT_GROUP_FWD_MASK, p->group_fwd_mask) ||
nla_put_u8(skb, IFLA_BRPORT_NEIGH_SUPPRESS,
!!(p->flags & BR_NEIGH_SUPPRESS)) ||
+ nla_put_u8(skb, IFLA_BRPORT_MRP_RING_OPEN, !!(p->flags &
+ BR_MRP_LOST_CONT)) ||
nla_put_u8(skb, IFLA_BRPORT_ISOLATED, !!(p->flags & BR_ISOLATED)))
return -EMSGSIZE;
@@ -612,6 +615,7 @@ int br_process_vlan_info(struct net_bridge *br,
v - 1, rtm_cmd);
v_change_start = 0;
}
+ cond_resched();
}
/* v_change_start is set only if the last/whole range changed */
if (v_change_start)
@@ -669,6 +673,11 @@ static int br_afspec(struct net_bridge *br,
if (err)
return err;
break;
+ case IFLA_BRIDGE_MRP:
+ err = br_mrp_parse(br, p, attr, cmd, extack);
+ if (err)
+ return err;
+ break;
}
}
@@ -1101,7 +1110,9 @@ static int br_changelink(struct net_device *brdev, struct nlattr *tb[],
if (data[IFLA_BR_STP_STATE]) {
u32 stp_enabled = nla_get_u32(data[IFLA_BR_STP_STATE]);
- br_stp_set_enabled(br, stp_enabled);
+ err = br_stp_set_enabled(br, stp_enabled, extack);
+ if (err)
+ return err;
}
if (data[IFLA_BR_PRIORITY]) {
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 1f97703a52ff..7501be4eeba0 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -428,6 +428,10 @@ struct net_bridge {
int offload_fwd_mark;
#endif
struct hlist_head fdb_list;
+
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+ struct list_head __rcu mrp_list;
+#endif
};
struct br_input_skb_cb {
@@ -594,10 +598,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev);
static inline void br_netpoll_send_skb(const struct net_bridge_port *p,
struct sk_buff *skb)
{
- struct netpoll *np = p->np;
-
- if (np)
- netpoll_send_skb(np, skb);
+ netpoll_send_skb(p->np, skb);
}
int br_netpoll_enable(struct net_bridge_port *p);
@@ -701,16 +702,16 @@ int nbp_backup_change(struct net_bridge_port *p, struct net_device *backup_dev);
/* br_input.c */
int br_handle_frame_finish(struct net *net, struct sock *sk, struct sk_buff *skb);
-rx_handler_result_t br_handle_frame(struct sk_buff **pskb);
+rx_handler_func_t *br_get_rx_handler(const struct net_device *dev);
static inline bool br_rx_handler_check_rcu(const struct net_device *dev)
{
- return rcu_dereference(dev->rx_handler) == br_handle_frame;
+ return rcu_dereference(dev->rx_handler) == br_get_rx_handler(dev);
}
static inline bool br_rx_handler_check_rtnl(const struct net_device *dev)
{
- return rcu_dereference_rtnl(dev->rx_handler) == br_handle_frame;
+ return rcu_dereference_rtnl(dev->rx_handler) == br_get_rx_handler(dev);
}
static inline struct net_bridge_port *br_port_get_check_rcu(const struct net_device *dev)
@@ -1279,7 +1280,8 @@ int br_set_ageing_time(struct net_bridge *br, clock_t ageing_time);
/* br_stp_if.c */
void br_stp_enable_bridge(struct net_bridge *br);
void br_stp_disable_bridge(struct net_bridge *br);
-void br_stp_set_enabled(struct net_bridge *br, unsigned long val);
+int br_stp_set_enabled(struct net_bridge *br, unsigned long val,
+ struct netlink_ext_ack *extack);
void br_stp_enable_port(struct net_bridge_port *p);
void br_stp_disable_port(struct net_bridge_port *p);
bool br_stp_recalculate_bridge_id(struct net_bridge *br);
@@ -1304,6 +1306,37 @@ unsigned long br_timer_value(const struct timer_list *timer);
extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr);
#endif
+/* br_mrp.c */
+#if IS_ENABLED(CONFIG_BRIDGE_MRP)
+int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
+ struct nlattr *attr, int cmd, struct netlink_ext_ack *extack);
+int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb);
+bool br_mrp_enabled(struct net_bridge *br);
+void br_mrp_port_del(struct net_bridge *br, struct net_bridge_port *p);
+#else
+static inline int br_mrp_parse(struct net_bridge *br, struct net_bridge_port *p,
+ struct nlattr *attr, int cmd,
+ struct netlink_ext_ack *extack)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int br_mrp_process(struct net_bridge_port *p, struct sk_buff *skb)
+{
+ return 0;
+}
+
+static inline bool br_mrp_enabled(struct net_bridge *br)
+{
+ return false;
+}
+
+static inline void br_mrp_port_del(struct net_bridge *br,
+ struct net_bridge_port *p)
+{
+}
+#endif
+
/* br_netlink.c */
extern struct rtnl_link_ops br_link_ops;
int br_netlink_init(void);
diff --git a/net/bridge/br_private_mrp.h b/net/bridge/br_private_mrp.h
new file mode 100644
index 000000000000..33b255e38ffe
--- /dev/null
+++ b/net/bridge/br_private_mrp.h
@@ -0,0 +1,66 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _BR_PRIVATE_MRP_H_
+#define _BR_PRIVATE_MRP_H_
+
+#include "br_private.h"
+#include <uapi/linux/mrp_bridge.h>
+
+struct br_mrp {
+ /* list of mrp instances */
+ struct list_head __rcu list;
+
+ struct net_bridge_port __rcu *p_port;
+ struct net_bridge_port __rcu *s_port;
+
+ u32 ring_id;
+ u16 prio;
+
+ enum br_mrp_ring_role_type ring_role;
+ u8 ring_role_offloaded;
+ enum br_mrp_ring_state_type ring_state;
+ u32 ring_transitions;
+
+ struct delayed_work test_work;
+ u32 test_interval;
+ unsigned long test_end;
+ u32 test_count_miss;
+ u32 test_max_miss;
+ bool test_monitor;
+
+ u32 seq_id;
+
+ struct rcu_head rcu;
+};
+
+/* br_mrp.c */
+int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance);
+int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance);
+int br_mrp_set_port_state(struct net_bridge_port *p,
+ enum br_mrp_port_state_type state);
+int br_mrp_set_port_role(struct net_bridge_port *p,
+ enum br_mrp_port_role_type role);
+int br_mrp_set_ring_state(struct net_bridge *br,
+ struct br_mrp_ring_state *state);
+int br_mrp_set_ring_role(struct net_bridge *br, struct br_mrp_ring_role *role);
+int br_mrp_start_test(struct net_bridge *br, struct br_mrp_start_test *test);
+
+/* br_mrp_switchdev.c */
+int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp);
+int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp);
+int br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp,
+ enum br_mrp_ring_role_type role);
+int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp,
+ enum br_mrp_ring_state_type state);
+int br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp,
+ u32 interval, u8 max_miss, u32 period,
+ bool monitor);
+int br_mrp_port_switchdev_set_state(struct net_bridge_port *p,
+ enum br_mrp_port_state_type state);
+int br_mrp_port_switchdev_set_role(struct net_bridge_port *p,
+ enum br_mrp_port_role_type role);
+
+/* br_mrp_netlink.c */
+int br_mrp_port_open(struct net_device *dev, u8 loc);
+
+#endif /* _BR_PRIVATE_MRP_H */
diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
index 1f14b8455345..3e88be7aa269 100644
--- a/net/bridge/br_stp.c
+++ b/net/bridge/br_stp.c
@@ -36,6 +36,12 @@ void br_set_state(struct net_bridge_port *p, unsigned int state)
};
int err;
+ /* Don't change the state of the ports if they are driven by a different
+ * protocol.
+ */
+ if (p->flags & BR_MRP_AWARE)
+ return;
+
p->state = state;
err = switchdev_port_attr_set(p->dev, &attr);
if (err && err != -EOPNOTSUPP)
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index d174d3a566aa..ba55851fe132 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -196,10 +196,17 @@ static void br_stp_stop(struct net_bridge *br)
br->stp_enabled = BR_NO_STP;
}
-void br_stp_set_enabled(struct net_bridge *br, unsigned long val)
+int br_stp_set_enabled(struct net_bridge *br, unsigned long val,
+ struct netlink_ext_ack *extack)
{
ASSERT_RTNL();
+ if (br_mrp_enabled(br)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "STP can't be enabled if MRP is already enabled");
+ return -EINVAL;
+ }
+
if (val) {
if (br->stp_enabled == BR_NO_STP)
br_stp_start(br);
@@ -207,6 +214,8 @@ void br_stp_set_enabled(struct net_bridge *br, unsigned long val)
if (br->stp_enabled != BR_NO_STP)
br_stp_stop(br);
}
+
+ return 0;
}
/* called under bridge lock */
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 9ab0f00b1081..7db06e3f642a 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -126,9 +126,7 @@ static ssize_t stp_state_show(struct device *d,
static int set_stp_state(struct net_bridge *br, unsigned long val)
{
- br_stp_set_enabled(br, val);
-
- return 0;
+ return br_stp_set_enabled(br, val, NULL);
}
static ssize_t stp_state_store(struct device *d,
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 78db58c7aec2..c83ffe912163 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1046,14 +1046,8 @@ static int do_replace_finish(struct net *net, struct ebt_replace *repl,
vfree(table);
vfree(counterstmp);
-#ifdef CONFIG_AUDIT
- if (audit_enabled) {
- audit_log(audit_context(), GFP_KERNEL,
- AUDIT_NETFILTER_CFG,
- "table=%s family=%u entries=%u",
- repl->name, AF_BRIDGE, repl->nentries);
- }
-#endif
+ audit_log_nfcfg(repl->name, AF_BRIDGE, repl->nentries,
+ AUDIT_XT_OP_REPLACE);
return ret;
free_unlock:
@@ -1095,16 +1089,14 @@ static int do_replace(struct net *net, const void __user *user,
tmp.name[sizeof(tmp.name) - 1] = 0;
countersize = COUNTER_OFFSET(tmp.nentries) * nr_cpu_ids;
- newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT,
- PAGE_KERNEL);
+ newinfo = __vmalloc(sizeof(*newinfo) + countersize, GFP_KERNEL_ACCOUNT);
if (!newinfo)
return -ENOMEM;
if (countersize)
memset(newinfo->counters, 0, countersize);
- newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT,
- PAGE_KERNEL);
+ newinfo->entries = __vmalloc(tmp.entries_size, GFP_KERNEL_ACCOUNT);
if (!newinfo->entries) {
ret = -ENOMEM;
goto free_newinfo;
@@ -1130,6 +1122,8 @@ static void __ebt_unregister_table(struct net *net, struct ebt_table *table)
mutex_lock(&ebt_mutex);
list_del(&table->list);
mutex_unlock(&ebt_mutex);
+ audit_log_nfcfg(table->name, AF_BRIDGE, table->private->nentries,
+ AUDIT_XT_OP_UNREGISTER);
EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size,
ebt_cleanup_entry, net, NULL);
if (table->private->nentries)
@@ -1223,6 +1217,8 @@ int ebt_register_table(struct net *net, const struct ebt_table *input_table,
*res = NULL;
}
+ audit_log_nfcfg(repl->name, AF_BRIDGE, repl->nentries,
+ AUDIT_XT_OP_REGISTER);
return ret;
free_unlock:
mutex_unlock(&ebt_mutex);
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index b325b569e761..f48cf4cfb80f 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -31,6 +31,12 @@ static void nft_reject_br_push_etherhdr(struct sk_buff *oldskb,
ether_addr_copy(eth->h_dest, eth_hdr(oldskb)->h_source);
eth->h_proto = eth_hdr(oldskb)->h_proto;
skb_pull(nskb, ETH_HLEN);
+
+ if (skb_vlan_tag_present(oldskb)) {
+ u16 vid = skb_vlan_tag_get(oldskb);
+
+ __vlan_hwaccel_put_tag(nskb, oldskb->vlan_proto, vid);
+ }
}
static int nft_bridge_iphdr_validate(struct sk_buff *skb)
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 195d2d67be8a..c10e5a55758d 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -142,7 +142,7 @@ static void caif_flow_cb(struct sk_buff *skb)
spin_lock_bh(&caifd->flow_lock);
send_xoff = caifd->xoff;
- caifd->xoff = 0;
+ caifd->xoff = false;
dtor = caifd->xoff_skb_dtor;
if (WARN_ON(caifd->xoff_skb != skb))
@@ -220,7 +220,7 @@ static int transmit(struct cflayer *layer, struct cfpkt *pkt)
pr_debug("queue has stopped(%d) or is full (%d > %d)\n",
netif_queue_stopped(caifd->netdev),
qlen, high);
- caifd->xoff = 1;
+ caifd->xoff = true;
caifd->xoff_skb = skb;
caifd->xoff_skb_dtor = skb->destructor;
skb->destructor = caif_flow_cb;
@@ -407,7 +407,7 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what,
break;
}
- caifd->xoff = 0;
+ caifd->xoff = false;
cfcnfg_set_phy_state(cfg, &caifd->layer, true);
rcu_read_unlock();
@@ -442,7 +442,7 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what,
if (caifd->xoff_skb_dtor != NULL && caifd->xoff_skb != NULL)
caifd->xoff_skb->destructor = caifd->xoff_skb_dtor;
- caifd->xoff = 0;
+ caifd->xoff = false;
caifd->xoff_skb_dtor = NULL;
caifd->xoff_skb = NULL;
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index a56628962852..79b6a04d8eb6 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -211,7 +211,8 @@ static void chnl_flowctrl_cb(struct cflayer *layr, enum caif_ctrlcmd flow,
}
}
-static int chnl_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t chnl_net_start_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
struct chnl_net *priv;
struct cfpkt *pkt = NULL;
diff --git a/net/ceph/Kconfig b/net/ceph/Kconfig
index 2e8e6f904920..d7bec7adc267 100644
--- a/net/ceph/Kconfig
+++ b/net/ceph/Kconfig
@@ -39,6 +39,6 @@ config CEPH_LIB_USE_DNS_RESOLVER
be resolved using the CONFIG_DNS_RESOLVER facility.
For information on how to use CONFIG_DNS_RESOLVER consult
- Documentation/networking/dns_resolver.txt
+ Documentation/networking/dns_resolver.rst
If unsure, say N.
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index a0e97f6c1072..66f22e8aa529 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -190,8 +190,7 @@ EXPORT_SYMBOL(ceph_compare_options);
* kvmalloc() doesn't fall back to the vmalloc allocator unless flags are
* compatible with (a superset of) GFP_KERNEL. This is because while the
* actual pages are allocated with the specified flags, the page table pages
- * are always allocated with GFP_KERNEL. map_vm_area() doesn't even take
- * flags because GFP_KERNEL is hard-coded in {p4d,pud,pmd,pte}_alloc().
+ * are always allocated with GFP_KERNEL.
*
* ceph_kvmalloc() may be called with GFP_KERNEL, GFP_NOFS or GFP_NOIO.
*/
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index f8ca5edc5f2c..27d6ab11f9ee 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -490,15 +490,8 @@ static int ceph_tcp_connect(struct ceph_connection *con)
return ret;
}
- if (ceph_test_opt(from_msgr(con->msgr), TCP_NODELAY)) {
- int optval = 1;
-
- ret = kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY,
- (char *)&optval, sizeof(optval));
- if (ret)
- pr_err("kernel_setsockopt(TCP_NODELAY) failed: %d",
- ret);
- }
+ if (ceph_test_opt(from_msgr(con->msgr), TCP_NODELAY))
+ tcp_sock_set_nodelay(sock->sk);
con->sock = sock;
return 0;
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 998e26b75a78..1d4973f8cd7a 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -3649,7 +3649,9 @@ static void handle_reply(struct ceph_osd *osd, struct ceph_msg *msg)
* supported.
*/
req->r_t.target_oloc.pool = m.redirect.oloc.pool;
- req->r_flags |= CEPH_OSD_FLAG_REDIRECTED;
+ req->r_flags |= CEPH_OSD_FLAG_REDIRECTED |
+ CEPH_OSD_FLAG_IGNORE_OVERLAY |
+ CEPH_OSD_FLAG_IGNORE_CACHE;
req->r_tid = 0;
__submit_request(req, false);
goto out_unlock_osdc;
diff --git a/net/compat.c b/net/compat.c
index 4bed96e84d9a..5e3041a2c37d 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -56,7 +56,8 @@ int __get_compat_msghdr(struct msghdr *kmsg,
if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))
kmsg->msg_namelen = sizeof(struct sockaddr_storage);
- kmsg->msg_control = compat_ptr(msg.msg_control);
+ kmsg->msg_control_is_user = true;
+ kmsg->msg_control_user = compat_ptr(msg.msg_control);
kmsg->msg_controllen = msg.msg_controllen;
if (save_addr)
@@ -121,7 +122,7 @@ int get_compat_msghdr(struct msghdr *kmsg,
((ucmlen) >= sizeof(struct compat_cmsghdr) && \
(ucmlen) <= (unsigned long) \
((mhdr)->msg_controllen - \
- ((char *)(ucmsg) - (char *)(mhdr)->msg_control)))
+ ((char __user *)(ucmsg) - (char __user *)(mhdr)->msg_control_user)))
static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg,
struct compat_cmsghdr __user *cmsg, int cmsg_len)
@@ -182,20 +183,21 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk,
memset(kcmsg, 0, kcmlen);
ucmsg = CMSG_COMPAT_FIRSTHDR(kmsg);
while (ucmsg != NULL) {
- if (__get_user(ucmlen, &ucmsg->cmsg_len))
+ struct compat_cmsghdr cmsg;
+ if (copy_from_user(&cmsg, ucmsg, sizeof(cmsg)))
goto Efault;
- if (!CMSG_COMPAT_OK(ucmlen, ucmsg, kmsg))
+ if (!CMSG_COMPAT_OK(cmsg.cmsg_len, ucmsg, kmsg))
goto Einval;
- tmp = ((ucmlen - sizeof(*ucmsg)) + sizeof(struct cmsghdr));
+ tmp = ((cmsg.cmsg_len - sizeof(*ucmsg)) + sizeof(struct cmsghdr));
if ((char *)kcmsg_base + kcmlen - (char *)kcmsg < CMSG_ALIGN(tmp))
goto Einval;
kcmsg->cmsg_len = tmp;
+ kcmsg->cmsg_level = cmsg.cmsg_level;
+ kcmsg->cmsg_type = cmsg.cmsg_type;
tmp = CMSG_ALIGN(tmp);
- if (__get_user(kcmsg->cmsg_level, &ucmsg->cmsg_level) ||
- __get_user(kcmsg->cmsg_type, &ucmsg->cmsg_type) ||
- copy_from_user(CMSG_DATA(kcmsg),
+ if (copy_from_user(CMSG_DATA(kcmsg),
CMSG_COMPAT_DATA(ucmsg),
- (ucmlen - sizeof(*ucmsg))))
+ (cmsg.cmsg_len - sizeof(*ucmsg))))
goto Efault;
/* Advance. */
@@ -447,200 +449,6 @@ COMPAT_SYSCALL_DEFINE5(getsockopt, int, fd, int, level, int, optname,
return __compat_sys_getsockopt(fd, level, optname, optval, optlen);
}
-struct compat_group_req {
- __u32 gr_interface;
- struct __kernel_sockaddr_storage gr_group
- __aligned(4);
-} __packed;
-
-struct compat_group_source_req {
- __u32 gsr_interface;
- struct __kernel_sockaddr_storage gsr_group
- __aligned(4);
- struct __kernel_sockaddr_storage gsr_source
- __aligned(4);
-} __packed;
-
-struct compat_group_filter {
- __u32 gf_interface;
- struct __kernel_sockaddr_storage gf_group
- __aligned(4);
- __u32 gf_fmode;
- __u32 gf_numsrc;
- struct __kernel_sockaddr_storage gf_slist[1]
- __aligned(4);
-} __packed;
-
-#define __COMPAT_GF0_SIZE (sizeof(struct compat_group_filter) - \
- sizeof(struct __kernel_sockaddr_storage))
-
-
-int compat_mc_setsockopt(struct sock *sock, int level, int optname,
- char __user *optval, unsigned int optlen,
- int (*setsockopt)(struct sock *, int, int, char __user *, unsigned int))
-{
- char __user *koptval = optval;
- int koptlen = optlen;
-
- switch (optname) {
- case MCAST_JOIN_GROUP:
- case MCAST_LEAVE_GROUP:
- {
- struct compat_group_req __user *gr32 = (void __user *)optval;
- struct group_req __user *kgr =
- compat_alloc_user_space(sizeof(struct group_req));
- u32 interface;
-
- if (!access_ok(gr32, sizeof(*gr32)) ||
- !access_ok(kgr, sizeof(struct group_req)) ||
- __get_user(interface, &gr32->gr_interface) ||
- __put_user(interface, &kgr->gr_interface) ||
- copy_in_user(&kgr->gr_group, &gr32->gr_group,
- sizeof(kgr->gr_group)))
- return -EFAULT;
- koptval = (char __user *)kgr;
- koptlen = sizeof(struct group_req);
- break;
- }
- case MCAST_JOIN_SOURCE_GROUP:
- case MCAST_LEAVE_SOURCE_GROUP:
- case MCAST_BLOCK_SOURCE:
- case MCAST_UNBLOCK_SOURCE:
- {
- struct compat_group_source_req __user *gsr32 = (void __user *)optval;
- struct group_source_req __user *kgsr = compat_alloc_user_space(
- sizeof(struct group_source_req));
- u32 interface;
-
- if (!access_ok(gsr32, sizeof(*gsr32)) ||
- !access_ok(kgsr,
- sizeof(struct group_source_req)) ||
- __get_user(interface, &gsr32->gsr_interface) ||
- __put_user(interface, &kgsr->gsr_interface) ||
- copy_in_user(&kgsr->gsr_group, &gsr32->gsr_group,
- sizeof(kgsr->gsr_group)) ||
- copy_in_user(&kgsr->gsr_source, &gsr32->gsr_source,
- sizeof(kgsr->gsr_source)))
- return -EFAULT;
- koptval = (char __user *)kgsr;
- koptlen = sizeof(struct group_source_req);
- break;
- }
- case MCAST_MSFILTER:
- {
- struct compat_group_filter __user *gf32 = (void __user *)optval;
- struct group_filter __user *kgf;
- u32 interface, fmode, numsrc;
-
- if (!access_ok(gf32, __COMPAT_GF0_SIZE) ||
- __get_user(interface, &gf32->gf_interface) ||
- __get_user(fmode, &gf32->gf_fmode) ||
- __get_user(numsrc, &gf32->gf_numsrc))
- return -EFAULT;
- koptlen = optlen + sizeof(struct group_filter) -
- sizeof(struct compat_group_filter);
- if (koptlen < GROUP_FILTER_SIZE(numsrc))
- return -EINVAL;
- kgf = compat_alloc_user_space(koptlen);
- if (!access_ok(kgf, koptlen) ||
- __put_user(interface, &kgf->gf_interface) ||
- __put_user(fmode, &kgf->gf_fmode) ||
- __put_user(numsrc, &kgf->gf_numsrc) ||
- copy_in_user(&kgf->gf_group, &gf32->gf_group,
- sizeof(kgf->gf_group)) ||
- (numsrc && copy_in_user(kgf->gf_slist, gf32->gf_slist,
- numsrc * sizeof(kgf->gf_slist[0]))))
- return -EFAULT;
- koptval = (char __user *)kgf;
- break;
- }
-
- default:
- break;
- }
- return setsockopt(sock, level, optname, koptval, koptlen);
-}
-EXPORT_SYMBOL(compat_mc_setsockopt);
-
-int compat_mc_getsockopt(struct sock *sock, int level, int optname,
- char __user *optval, int __user *optlen,
- int (*getsockopt)(struct sock *, int, int, char __user *, int __user *))
-{
- struct compat_group_filter __user *gf32 = (void __user *)optval;
- struct group_filter __user *kgf;
- int __user *koptlen;
- u32 interface, fmode, numsrc;
- int klen, ulen, err;
-
- if (optname != MCAST_MSFILTER)
- return getsockopt(sock, level, optname, optval, optlen);
-
- koptlen = compat_alloc_user_space(sizeof(*koptlen));
- if (!access_ok(optlen, sizeof(*optlen)) ||
- __get_user(ulen, optlen))
- return -EFAULT;
-
- /* adjust len for pad */
- klen = ulen + sizeof(*kgf) - sizeof(*gf32);
-
- if (klen < GROUP_FILTER_SIZE(0))
- return -EINVAL;
-
- if (!access_ok(koptlen, sizeof(*koptlen)) ||
- __put_user(klen, koptlen))
- return -EFAULT;
-
- /* have to allow space for previous compat_alloc_user_space, too */
- kgf = compat_alloc_user_space(klen+sizeof(*optlen));
-
- if (!access_ok(gf32, __COMPAT_GF0_SIZE) ||
- __get_user(interface, &gf32->gf_interface) ||
- __get_user(fmode, &gf32->gf_fmode) ||
- __get_user(numsrc, &gf32->gf_numsrc) ||
- __put_user(interface, &kgf->gf_interface) ||
- __put_user(fmode, &kgf->gf_fmode) ||
- __put_user(numsrc, &kgf->gf_numsrc) ||
- copy_in_user(&kgf->gf_group, &gf32->gf_group, sizeof(kgf->gf_group)))
- return -EFAULT;
-
- err = getsockopt(sock, level, optname, (char __user *)kgf, koptlen);
- if (err)
- return err;
-
- if (!access_ok(koptlen, sizeof(*koptlen)) ||
- __get_user(klen, koptlen))
- return -EFAULT;
-
- ulen = klen - (sizeof(*kgf)-sizeof(*gf32));
-
- if (!access_ok(optlen, sizeof(*optlen)) ||
- __put_user(ulen, optlen))
- return -EFAULT;
-
- if (!access_ok(kgf, klen) ||
- !access_ok(gf32, ulen) ||
- __get_user(interface, &kgf->gf_interface) ||
- __get_user(fmode, &kgf->gf_fmode) ||
- __get_user(numsrc, &kgf->gf_numsrc) ||
- __put_user(interface, &gf32->gf_interface) ||
- __put_user(fmode, &gf32->gf_fmode) ||
- __put_user(numsrc, &gf32->gf_numsrc))
- return -EFAULT;
- if (numsrc) {
- int copylen;
-
- klen -= GROUP_FILTER_SIZE(0);
- copylen = numsrc * sizeof(gf32->gf_slist[0]);
- if (copylen > klen)
- copylen = klen;
- if (copy_in_user(gf32->gf_slist, kgf->gf_slist, copylen))
- return -EFAULT;
- }
- return err;
-}
-EXPORT_SYMBOL(compat_mc_getsockopt);
-
-
/* Argument list sizes for compat_sys_socketcall */
#define AL(x) ((x) * sizeof(u32))
static unsigned char nas[21] = {
diff --git a/net/core/bpf_sk_storage.c b/net/core/bpf_sk_storage.c
index 756b63b6f7b3..d2c4d16dadba 100644
--- a/net/core/bpf_sk_storage.c
+++ b/net/core/bpf_sk_storage.c
@@ -625,7 +625,7 @@ static int bpf_sk_storage_map_alloc_check(union bpf_attr *attr)
!attr->btf_key_type_id || !attr->btf_value_type_id)
return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return -EPERM;
if (attr->value_size > MAX_VALUE_SIZE)
@@ -978,7 +978,7 @@ bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs)
/* bpf_sk_storage_map is currently limited to CAP_SYS_ADMIN as
* the map_alloc_check() side also does.
*/
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return ERR_PTR(-EPERM);
nla_for_each_nested(nla, nla_stgs, rem) {
diff --git a/net/core/dev.c b/net/core/dev.c
index 522288177bbd..10684833f864 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -398,6 +398,74 @@ static RAW_NOTIFIER_HEAD(netdev_chain);
DEFINE_PER_CPU_ALIGNED(struct softnet_data, softnet_data);
EXPORT_PER_CPU_SYMBOL(softnet_data);
+#ifdef CONFIG_LOCKDEP
+/*
+ * register_netdevice() inits txq->_xmit_lock and sets lockdep class
+ * according to dev->type
+ */
+static const unsigned short netdev_lock_type[] = {
+ ARPHRD_NETROM, ARPHRD_ETHER, ARPHRD_EETHER, ARPHRD_AX25,
+ ARPHRD_PRONET, ARPHRD_CHAOS, ARPHRD_IEEE802, ARPHRD_ARCNET,
+ ARPHRD_APPLETLK, ARPHRD_DLCI, ARPHRD_ATM, ARPHRD_METRICOM,
+ ARPHRD_IEEE1394, ARPHRD_EUI64, ARPHRD_INFINIBAND, ARPHRD_SLIP,
+ ARPHRD_CSLIP, ARPHRD_SLIP6, ARPHRD_CSLIP6, ARPHRD_RSRVD,
+ ARPHRD_ADAPT, ARPHRD_ROSE, ARPHRD_X25, ARPHRD_HWX25,
+ ARPHRD_PPP, ARPHRD_CISCO, ARPHRD_LAPB, ARPHRD_DDCMP,
+ ARPHRD_RAWHDLC, ARPHRD_TUNNEL, ARPHRD_TUNNEL6, ARPHRD_FRAD,
+ ARPHRD_SKIP, ARPHRD_LOOPBACK, ARPHRD_LOCALTLK, ARPHRD_FDDI,
+ ARPHRD_BIF, ARPHRD_SIT, ARPHRD_IPDDP, ARPHRD_IPGRE,
+ ARPHRD_PIMREG, ARPHRD_HIPPI, ARPHRD_ASH, ARPHRD_ECONET,
+ ARPHRD_IRDA, ARPHRD_FCPP, ARPHRD_FCAL, ARPHRD_FCPL,
+ ARPHRD_FCFABRIC, ARPHRD_IEEE80211, ARPHRD_IEEE80211_PRISM,
+ ARPHRD_IEEE80211_RADIOTAP, ARPHRD_PHONET, ARPHRD_PHONET_PIPE,
+ ARPHRD_IEEE802154, ARPHRD_VOID, ARPHRD_NONE};
+
+static const char *const netdev_lock_name[] = {
+ "_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
+ "_xmit_PRONET", "_xmit_CHAOS", "_xmit_IEEE802", "_xmit_ARCNET",
+ "_xmit_APPLETLK", "_xmit_DLCI", "_xmit_ATM", "_xmit_METRICOM",
+ "_xmit_IEEE1394", "_xmit_EUI64", "_xmit_INFINIBAND", "_xmit_SLIP",
+ "_xmit_CSLIP", "_xmit_SLIP6", "_xmit_CSLIP6", "_xmit_RSRVD",
+ "_xmit_ADAPT", "_xmit_ROSE", "_xmit_X25", "_xmit_HWX25",
+ "_xmit_PPP", "_xmit_CISCO", "_xmit_LAPB", "_xmit_DDCMP",
+ "_xmit_RAWHDLC", "_xmit_TUNNEL", "_xmit_TUNNEL6", "_xmit_FRAD",
+ "_xmit_SKIP", "_xmit_LOOPBACK", "_xmit_LOCALTLK", "_xmit_FDDI",
+ "_xmit_BIF", "_xmit_SIT", "_xmit_IPDDP", "_xmit_IPGRE",
+ "_xmit_PIMREG", "_xmit_HIPPI", "_xmit_ASH", "_xmit_ECONET",
+ "_xmit_IRDA", "_xmit_FCPP", "_xmit_FCAL", "_xmit_FCPL",
+ "_xmit_FCFABRIC", "_xmit_IEEE80211", "_xmit_IEEE80211_PRISM",
+ "_xmit_IEEE80211_RADIOTAP", "_xmit_PHONET", "_xmit_PHONET_PIPE",
+ "_xmit_IEEE802154", "_xmit_VOID", "_xmit_NONE"};
+
+static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)];
+
+static inline unsigned short netdev_lock_pos(unsigned short dev_type)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(netdev_lock_type); i++)
+ if (netdev_lock_type[i] == dev_type)
+ return i;
+ /* the last key is used by default */
+ return ARRAY_SIZE(netdev_lock_type) - 1;
+}
+
+static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock,
+ unsigned short dev_type)
+{
+ int i;
+
+ i = netdev_lock_pos(dev_type);
+ lockdep_set_class_and_name(lock, &netdev_xmit_lock_key[i],
+ netdev_lock_name[i]);
+}
+#else
+static inline void netdev_set_xmit_lockdep_class(spinlock_t *lock,
+ unsigned short dev_type)
+{
+}
+#endif
+
/*******************************************************************************
*
* Protocol management and registration routines
@@ -4549,6 +4617,11 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb,
xdp->data_meta = xdp->data;
xdp->data_end = xdp->data + hlen;
xdp->data_hard_start = skb->data - skb_headroom(skb);
+
+ /* SKB "head" area always have tailroom for skb_shared_info */
+ xdp->frame_sz = (void *)skb_end_pointer(skb) - xdp->data_hard_start;
+ xdp->frame_sz += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
+
orig_data_end = xdp->data_end;
orig_data = xdp->data;
eth = (struct ethhdr *)xdp->data;
@@ -4572,14 +4645,11 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb,
skb_reset_network_header(skb);
}
- /* check if bpf_xdp_adjust_tail was used. it can only "shrink"
- * pckt.
- */
- off = orig_data_end - xdp->data_end;
+ /* check if bpf_xdp_adjust_tail was used */
+ off = xdp->data_end - orig_data_end;
if (off != 0) {
skb_set_tail_pointer(skb, xdp->data_end - xdp->data);
- skb->len -= off;
-
+ skb->len += off; /* positive on grow, negative on shrink */
}
/* check if XDP changed eth hdr such SKB needs update */
@@ -4988,11 +5058,12 @@ static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev,
return 0;
}
-static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc,
+static int __netif_receive_skb_core(struct sk_buff **pskb, bool pfmemalloc,
struct packet_type **ppt_prev)
{
struct packet_type *ptype, *pt_prev;
rx_handler_func_t *rx_handler;
+ struct sk_buff *skb = *pskb;
struct net_device *orig_dev;
bool deliver_exact = false;
int ret = NET_RX_DROP;
@@ -5023,8 +5094,10 @@ another_round:
ret2 = do_xdp_generic(rcu_dereference(skb->dev->xdp_prog), skb);
preempt_enable();
- if (ret2 != XDP_PASS)
- return NET_RX_DROP;
+ if (ret2 != XDP_PASS) {
+ ret = NET_RX_DROP;
+ goto out;
+ }
skb_reset_mac_len(skb);
}
@@ -5174,6 +5247,13 @@ drop:
}
out:
+ /* The invariant here is that if *ppt_prev is not NULL
+ * then skb should also be non-NULL.
+ *
+ * Apparently *ppt_prev assignment above holds this invariant due to
+ * skb dereferencing near it.
+ */
+ *pskb = skb;
return ret;
}
@@ -5183,7 +5263,7 @@ static int __netif_receive_skb_one_core(struct sk_buff *skb, bool pfmemalloc)
struct packet_type *pt_prev = NULL;
int ret;
- ret = __netif_receive_skb_core(skb, pfmemalloc, &pt_prev);
+ ret = __netif_receive_skb_core(&skb, pfmemalloc, &pt_prev);
if (pt_prev)
ret = INDIRECT_CALL_INET(pt_prev->func, ipv6_rcv, ip_rcv, skb,
skb->dev, pt_prev, orig_dev);
@@ -5261,7 +5341,7 @@ static void __netif_receive_skb_list_core(struct list_head *head, bool pfmemallo
struct packet_type *pt_prev = NULL;
skb_list_del_init(skb);
- __netif_receive_skb_core(skb, pfmemalloc, &pt_prev);
+ __netif_receive_skb_core(&skb, pfmemalloc, &pt_prev);
if (!pt_prev)
continue;
if (pt_curr != pt_prev || od_curr != orig_dev) {
@@ -5340,6 +5420,18 @@ static int generic_xdp_install(struct net_device *dev, struct netdev_bpf *xdp)
struct bpf_prog *new = xdp->prog;
int ret = 0;
+ if (new) {
+ u32 i;
+
+ /* generic XDP does not work with DEVMAPs that can
+ * have a bpf_prog installed on an entry
+ */
+ for (i = 0; i < new->aux->used_map_cnt; i++) {
+ if (dev_map_can_have_prog(new->aux->used_maps[i]))
+ return -EINVAL;
+ }
+ }
+
switch (xdp->command) {
case XDP_SETUP_PROG:
rcu_assign_pointer(dev->xdp_prog, new);
@@ -6227,7 +6319,8 @@ EXPORT_SYMBOL(__napi_schedule_irqoff);
bool napi_complete_done(struct napi_struct *n, int work_done)
{
- unsigned long flags, val, new;
+ unsigned long flags, val, new, timeout = 0;
+ bool ret = true;
/*
* 1) Don't let napi dequeue from the cpu poll list
@@ -6239,20 +6332,23 @@ bool napi_complete_done(struct napi_struct *n, int work_done)
NAPIF_STATE_IN_BUSY_POLL)))
return false;
+ if (work_done) {
+ if (n->gro_bitmask)
+ timeout = READ_ONCE(n->dev->gro_flush_timeout);
+ n->defer_hard_irqs_count = READ_ONCE(n->dev->napi_defer_hard_irqs);
+ }
+ if (n->defer_hard_irqs_count > 0) {
+ n->defer_hard_irqs_count--;
+ timeout = READ_ONCE(n->dev->gro_flush_timeout);
+ if (timeout)
+ ret = false;
+ }
if (n->gro_bitmask) {
- unsigned long timeout = 0;
-
- if (work_done)
- timeout = n->dev->gro_flush_timeout;
-
/* When the NAPI instance uses a timeout and keeps postponing
* it, we need to bound somehow the time packets are kept in
* the GRO layer
*/
napi_gro_flush(n, !!timeout);
- if (timeout)
- hrtimer_start(&n->timer, ns_to_ktime(timeout),
- HRTIMER_MODE_REL_PINNED);
}
gro_normal_list(n);
@@ -6284,7 +6380,10 @@ bool napi_complete_done(struct napi_struct *n, int work_done)
return false;
}
- return true;
+ if (timeout)
+ hrtimer_start(&n->timer, ns_to_ktime(timeout),
+ HRTIMER_MODE_REL_PINNED);
+ return ret;
}
EXPORT_SYMBOL(napi_complete_done);
@@ -6464,7 +6563,7 @@ static enum hrtimer_restart napi_watchdog(struct hrtimer *timer)
/* Note : we use a relaxed variant of napi_schedule_prep() not setting
* NAPI_STATE_MISSED, since we do not react to a device IRQ.
*/
- if (napi->gro_bitmask && !napi_disable_pending(napi) &&
+ if (!napi_disable_pending(napi) &&
!test_and_set_bit(NAPI_STATE_SCHED, &napi->state))
__napi_schedule_irqoff(napi);
@@ -7786,6 +7885,28 @@ void netdev_bonding_info_change(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_bonding_info_change);
+/**
+ * netdev_get_xmit_slave - Get the xmit slave of master device
+ * @skb: The packet
+ * @all_slaves: assume all the slaves are active
+ *
+ * The reference counters are not incremented so the caller must be
+ * careful with locks. The caller must hold RCU lock.
+ * %NULL is returned if no slave is found.
+ */
+
+struct net_device *netdev_get_xmit_slave(struct net_device *dev,
+ struct sk_buff *skb,
+ bool all_slaves)
+{
+ const struct net_device_ops *ops = dev->netdev_ops;
+
+ if (!ops->ndo_get_xmit_slave)
+ return NULL;
+ return ops->ndo_get_xmit_slave(dev, skb, all_slaves);
+}
+EXPORT_SYMBOL(netdev_get_xmit_slave);
+
static void netdev_adjacent_add_links(struct net_device *dev)
{
struct netdev_adjacent *iter;
@@ -8726,6 +8847,12 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
return -EINVAL;
}
+ if (prog->expected_attach_type == BPF_XDP_DEVMAP) {
+ NL_SET_ERR_MSG(extack, "BPF_XDP_DEVMAP programs can not be attached to a device");
+ bpf_prog_put(prog);
+ return -EINVAL;
+ }
+
/* prog->aux->id may be 0 for orphaned device-bound progs */
if (prog->aux->id && prog->aux->id == prog_id) {
bpf_prog_put(prog);
@@ -8907,11 +9034,13 @@ static void netdev_sync_lower_features(struct net_device *upper,
netdev_dbg(upper, "Disabling feature %pNF on lower dev %s.\n",
&feature, lower->name);
lower->wanted_features &= ~feature;
- netdev_update_features(lower);
+ __netdev_update_features(lower);
if (unlikely(lower->features & feature))
netdev_WARN(upper, "failed to disable %pNF on %s!\n",
&feature, lower->name);
+ else
+ netdev_features_change(lower);
}
}
}
@@ -9136,6 +9265,11 @@ void netif_stacked_transfer_operstate(const struct net_device *rootdev,
else
netif_dormant_off(dev);
+ if (rootdev->operstate == IF_OPER_TESTING)
+ netif_testing_on(dev);
+ else
+ netif_testing_off(dev);
+
if (netif_carrier_ok(rootdev))
netif_carrier_on(dev);
else
@@ -9196,7 +9330,7 @@ static void netdev_init_one_queue(struct net_device *dev,
{
/* Initialize queue lock */
spin_lock_init(&queue->_xmit_lock);
- lockdep_set_class(&queue->_xmit_lock, &dev->qdisc_xmit_lock_key);
+ netdev_set_xmit_lockdep_class(&queue->_xmit_lock, dev->type);
queue->xmit_lock_owner = -1;
netdev_queue_numa_node_write(queue, NUMA_NO_NODE);
queue->dev = dev;
@@ -9243,22 +9377,6 @@ void netif_tx_stop_all_queues(struct net_device *dev)
}
EXPORT_SYMBOL(netif_tx_stop_all_queues);
-static void netdev_register_lockdep_key(struct net_device *dev)
-{
- lockdep_register_key(&dev->qdisc_tx_busylock_key);
- lockdep_register_key(&dev->qdisc_running_key);
- lockdep_register_key(&dev->qdisc_xmit_lock_key);
- lockdep_register_key(&dev->addr_list_lock_key);
-}
-
-static void netdev_unregister_lockdep_key(struct net_device *dev)
-{
- lockdep_unregister_key(&dev->qdisc_tx_busylock_key);
- lockdep_unregister_key(&dev->qdisc_running_key);
- lockdep_unregister_key(&dev->qdisc_xmit_lock_key);
- lockdep_unregister_key(&dev->addr_list_lock_key);
-}
-
void netdev_update_lockdep_key(struct net_device *dev)
{
lockdep_unregister_key(&dev->addr_list_lock_key);
@@ -9825,7 +9943,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
dev_net_set(dev, &init_net);
- netdev_register_lockdep_key(dev);
+ lockdep_register_key(&dev->addr_list_lock_key);
dev->gso_max_size = GSO_MAX_SIZE;
dev->gso_max_segs = GSO_MAX_SEGS;
@@ -9914,7 +10032,7 @@ void free_netdev(struct net_device *dev)
free_percpu(dev->xdp_bulkq);
dev->xdp_bulkq = NULL;
- netdev_unregister_lockdep_key(dev);
+ lockdep_unregister_key(&dev->addr_list_lock_key);
/* Compatibility with error handling in drivers */
if (dev->reg_state == NETREG_UNINITIALIZED) {
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 80f97722f31f..2cafbc808b09 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -3716,24 +3716,26 @@ nla_put_failure:
return err;
}
-static void devlink_nl_region_notify(struct devlink_region *region,
- struct devlink_snapshot *snapshot,
- enum devlink_command cmd)
+static struct sk_buff *
+devlink_nl_region_notify_build(struct devlink_region *region,
+ struct devlink_snapshot *snapshot,
+ enum devlink_command cmd, u32 portid, u32 seq)
{
struct devlink *devlink = region->devlink;
struct sk_buff *msg;
void *hdr;
int err;
- WARN_ON(cmd != DEVLINK_CMD_REGION_NEW && cmd != DEVLINK_CMD_REGION_DEL);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
- return;
+ return ERR_PTR(-ENOMEM);
- hdr = genlmsg_put(msg, 0, 0, &devlink_nl_family, 0, cmd);
- if (!hdr)
+ hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, 0, cmd);
+ if (!hdr) {
+ err = -EMSGSIZE;
goto out_free_msg;
+ }
err = devlink_nl_put_handle(msg, devlink);
if (err)
@@ -3757,15 +3759,30 @@ static void devlink_nl_region_notify(struct devlink_region *region,
}
genlmsg_end(msg, hdr);
- genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
- msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
-
- return;
+ return msg;
out_cancel_msg:
genlmsg_cancel(msg, hdr);
out_free_msg:
nlmsg_free(msg);
+ return ERR_PTR(err);
+}
+
+static void devlink_nl_region_notify(struct devlink_region *region,
+ struct devlink_snapshot *snapshot,
+ enum devlink_command cmd)
+{
+ struct devlink *devlink = region->devlink;
+ struct sk_buff *msg;
+
+ WARN_ON(cmd != DEVLINK_CMD_REGION_NEW && cmd != DEVLINK_CMD_REGION_DEL);
+
+ msg = devlink_nl_region_notify_build(region, snapshot, cmd, 0, 0);
+ if (IS_ERR(msg))
+ return;
+
+ genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
+ msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
}
/**
@@ -4069,6 +4086,8 @@ static int
devlink_nl_cmd_region_new(struct sk_buff *skb, struct genl_info *info)
{
struct devlink *devlink = info->user_ptr[0];
+ struct devlink_snapshot *snapshot;
+ struct nlattr *snapshot_id_attr;
struct devlink_region *region;
const char *region_name;
u32 snapshot_id;
@@ -4080,11 +4099,6 @@ devlink_nl_cmd_region_new(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- if (!info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]) {
- NL_SET_ERR_MSG_MOD(info->extack, "No snapshot id provided");
- return -EINVAL;
- }
-
region_name = nla_data(info->attrs[DEVLINK_ATTR_REGION_NAME]);
region = devlink_region_get_by_name(devlink, region_name);
if (!region) {
@@ -4102,16 +4116,25 @@ devlink_nl_cmd_region_new(struct sk_buff *skb, struct genl_info *info)
return -ENOSPC;
}
- snapshot_id = nla_get_u32(info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
+ snapshot_id_attr = info->attrs[DEVLINK_ATTR_REGION_SNAPSHOT_ID];
+ if (snapshot_id_attr) {
+ snapshot_id = nla_get_u32(snapshot_id_attr);
- if (devlink_region_snapshot_get_by_id(region, snapshot_id)) {
- NL_SET_ERR_MSG_MOD(info->extack, "The requested snapshot id is already in use");
- return -EEXIST;
- }
+ if (devlink_region_snapshot_get_by_id(region, snapshot_id)) {
+ NL_SET_ERR_MSG_MOD(info->extack, "The requested snapshot id is already in use");
+ return -EEXIST;
+ }
- err = __devlink_snapshot_id_insert(devlink, snapshot_id);
- if (err)
- return err;
+ err = __devlink_snapshot_id_insert(devlink, snapshot_id);
+ if (err)
+ return err;
+ } else {
+ err = __devlink_region_snapshot_id_get(devlink, &snapshot_id);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(info->extack, "Failed to allocate a new snapshot id");
+ return err;
+ }
+ }
err = region->ops->snapshot(devlink, info->extack, &data);
if (err)
@@ -4121,6 +4144,27 @@ devlink_nl_cmd_region_new(struct sk_buff *skb, struct genl_info *info)
if (err)
goto err_snapshot_create;
+ if (!snapshot_id_attr) {
+ struct sk_buff *msg;
+
+ snapshot = devlink_region_snapshot_get_by_id(region,
+ snapshot_id);
+ if (WARN_ON(!snapshot))
+ return -EINVAL;
+
+ msg = devlink_nl_region_notify_build(region, snapshot,
+ DEVLINK_CMD_REGION_NEW,
+ info->snd_portid,
+ info->snd_seq);
+ err = PTR_ERR_OR_ZERO(msg);
+ if (err)
+ goto err_notify;
+
+ err = genlmsg_reply(msg, info);
+ if (err)
+ goto err_notify;
+ }
+
return 0;
err_snapshot_create:
@@ -4128,6 +4172,10 @@ err_snapshot_create:
err_snapshot_capture:
__devlink_snapshot_id_decrement(devlink, snapshot_id);
return err;
+
+err_notify:
+ devlink_region_snapshot_del(region, snapshot);
+ return err;
}
static int devlink_nl_cmd_region_read_chunk_fill(struct sk_buff *msg,
@@ -4167,7 +4215,6 @@ static int devlink_nl_region_read_snapshot_fill(struct sk_buff *skb,
struct nlattr **attrs,
u64 start_offset,
u64 end_offset,
- bool dump,
u64 *new_offset)
{
struct devlink_snapshot *snapshot;
@@ -4182,9 +4229,6 @@ static int devlink_nl_region_read_snapshot_fill(struct sk_buff *skb,
if (!snapshot)
return -EINVAL;
- if (end_offset > region->size || dump)
- end_offset = region->size;
-
while (curr_offset < end_offset) {
u32 data_size;
u8 *data;
@@ -4212,13 +4256,12 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
struct netlink_callback *cb)
{
const struct genl_dumpit_info *info = genl_dumpit_info(cb);
- u64 ret_offset, start_offset, end_offset = 0;
+ u64 ret_offset, start_offset, end_offset = U64_MAX;
struct nlattr **attrs = info->attrs;
struct devlink_region *region;
struct nlattr *chunks_attr;
const char *region_name;
struct devlink *devlink;
- bool dump = true;
void *hdr;
int err;
@@ -4246,8 +4289,21 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
goto out_unlock;
}
+ if (attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR] &&
+ attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]) {
+ if (!start_offset)
+ start_offset =
+ nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]);
+
+ end_offset = nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]);
+ end_offset += nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]);
+ }
+
+ if (end_offset > region->size)
+ end_offset = region->size;
+
/* return 0 if there is no further data to read */
- if (start_offset >= region->size) {
+ if (start_offset == end_offset) {
err = 0;
goto out_unlock;
}
@@ -4274,22 +4330,10 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
goto nla_put_failure;
}
- if (attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR] &&
- attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]) {
- if (!start_offset)
- start_offset =
- nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]);
-
- end_offset = nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_ADDR]);
- end_offset += nla_get_u64(attrs[DEVLINK_ATTR_REGION_CHUNK_LEN]);
- dump = false;
- }
-
err = devlink_nl_region_read_snapshot_fill(skb, devlink,
region, attrs,
start_offset,
- end_offset, dump,
- &ret_offset);
+ end_offset, &ret_offset);
if (err && err != -EMSGSIZE)
goto nla_put_failure;
@@ -5363,6 +5407,7 @@ int devlink_health_report(struct devlink_health_reporter *reporter,
{
enum devlink_health_reporter_state prev_health_state;
struct devlink *devlink = reporter->devlink;
+ unsigned long recover_ts_threshold;
/* write a log message of the current error */
WARN_ON(!msg);
@@ -5373,10 +5418,12 @@ int devlink_health_report(struct devlink_health_reporter *reporter,
devlink_recover_notify(reporter, DEVLINK_CMD_HEALTH_REPORTER_RECOVER);
/* abort if the previous error wasn't recovered */
+ recover_ts_threshold = reporter->last_recovery_ts +
+ msecs_to_jiffies(reporter->graceful_period);
if (reporter->auto_recover &&
(prev_health_state != DEVLINK_HEALTH_REPORTER_STATE_HEALTHY ||
- jiffies - reporter->last_recovery_ts <
- msecs_to_jiffies(reporter->graceful_period))) {
+ (reporter->last_recovery_ts && reporter->recovery_count &&
+ time_is_after_jiffies(recover_ts_threshold)))) {
trace_devlink_health_recover_aborted(devlink,
reporter->ops->name,
reporter->health_state,
@@ -5822,7 +5869,8 @@ devlink_trap_action_get_from_info(struct genl_info *info,
val = nla_get_u8(info->attrs[DEVLINK_ATTR_TRAP_ACTION]);
switch (val) {
case DEVLINK_TRAP_ACTION_DROP: /* fall-through */
- case DEVLINK_TRAP_ACTION_TRAP:
+ case DEVLINK_TRAP_ACTION_TRAP: /* fall-through */
+ case DEVLINK_TRAP_ACTION_MIRROR:
*p_trap_action = val;
break;
default:
@@ -8447,6 +8495,50 @@ static const struct devlink_trap devlink_trap_generic[] = {
DEVLINK_TRAP(OVERLAY_SMAC_MC, DROP),
DEVLINK_TRAP(INGRESS_FLOW_ACTION_DROP, DROP),
DEVLINK_TRAP(EGRESS_FLOW_ACTION_DROP, DROP),
+ DEVLINK_TRAP(STP, CONTROL),
+ DEVLINK_TRAP(LACP, CONTROL),
+ DEVLINK_TRAP(LLDP, CONTROL),
+ DEVLINK_TRAP(IGMP_QUERY, CONTROL),
+ DEVLINK_TRAP(IGMP_V1_REPORT, CONTROL),
+ DEVLINK_TRAP(IGMP_V2_REPORT, CONTROL),
+ DEVLINK_TRAP(IGMP_V3_REPORT, CONTROL),
+ DEVLINK_TRAP(IGMP_V2_LEAVE, CONTROL),
+ DEVLINK_TRAP(MLD_QUERY, CONTROL),
+ DEVLINK_TRAP(MLD_V1_REPORT, CONTROL),
+ DEVLINK_TRAP(MLD_V2_REPORT, CONTROL),
+ DEVLINK_TRAP(MLD_V1_DONE, CONTROL),
+ DEVLINK_TRAP(IPV4_DHCP, CONTROL),
+ DEVLINK_TRAP(IPV6_DHCP, CONTROL),
+ DEVLINK_TRAP(ARP_REQUEST, CONTROL),
+ DEVLINK_TRAP(ARP_RESPONSE, CONTROL),
+ DEVLINK_TRAP(ARP_OVERLAY, CONTROL),
+ DEVLINK_TRAP(IPV6_NEIGH_SOLICIT, CONTROL),
+ DEVLINK_TRAP(IPV6_NEIGH_ADVERT, CONTROL),
+ DEVLINK_TRAP(IPV4_BFD, CONTROL),
+ DEVLINK_TRAP(IPV6_BFD, CONTROL),
+ DEVLINK_TRAP(IPV4_OSPF, CONTROL),
+ DEVLINK_TRAP(IPV6_OSPF, CONTROL),
+ DEVLINK_TRAP(IPV4_BGP, CONTROL),
+ DEVLINK_TRAP(IPV6_BGP, CONTROL),
+ DEVLINK_TRAP(IPV4_VRRP, CONTROL),
+ DEVLINK_TRAP(IPV6_VRRP, CONTROL),
+ DEVLINK_TRAP(IPV4_PIM, CONTROL),
+ DEVLINK_TRAP(IPV6_PIM, CONTROL),
+ DEVLINK_TRAP(UC_LB, CONTROL),
+ DEVLINK_TRAP(LOCAL_ROUTE, CONTROL),
+ DEVLINK_TRAP(EXTERNAL_ROUTE, CONTROL),
+ DEVLINK_TRAP(IPV6_UC_DIP_LINK_LOCAL_SCOPE, CONTROL),
+ DEVLINK_TRAP(IPV6_DIP_ALL_NODES, CONTROL),
+ DEVLINK_TRAP(IPV6_DIP_ALL_ROUTERS, CONTROL),
+ DEVLINK_TRAP(IPV6_ROUTER_SOLICIT, CONTROL),
+ DEVLINK_TRAP(IPV6_ROUTER_ADVERT, CONTROL),
+ DEVLINK_TRAP(IPV6_REDIRECT, CONTROL),
+ DEVLINK_TRAP(IPV4_ROUTER_ALERT, CONTROL),
+ DEVLINK_TRAP(IPV6_ROUTER_ALERT, CONTROL),
+ DEVLINK_TRAP(PTP_EVENT, CONTROL),
+ DEVLINK_TRAP(PTP_GENERAL, CONTROL),
+ DEVLINK_TRAP(FLOW_ACTION_SAMPLE, CONTROL),
+ DEVLINK_TRAP(FLOW_ACTION_TRAP, CONTROL),
};
#define DEVLINK_TRAP_GROUP(_id) \
@@ -8458,9 +8550,28 @@ static const struct devlink_trap devlink_trap_generic[] = {
static const struct devlink_trap_group devlink_trap_group_generic[] = {
DEVLINK_TRAP_GROUP(L2_DROPS),
DEVLINK_TRAP_GROUP(L3_DROPS),
+ DEVLINK_TRAP_GROUP(L3_EXCEPTIONS),
DEVLINK_TRAP_GROUP(BUFFER_DROPS),
DEVLINK_TRAP_GROUP(TUNNEL_DROPS),
DEVLINK_TRAP_GROUP(ACL_DROPS),
+ DEVLINK_TRAP_GROUP(STP),
+ DEVLINK_TRAP_GROUP(LACP),
+ DEVLINK_TRAP_GROUP(LLDP),
+ DEVLINK_TRAP_GROUP(MC_SNOOPING),
+ DEVLINK_TRAP_GROUP(DHCP),
+ DEVLINK_TRAP_GROUP(NEIGH_DISCOVERY),
+ DEVLINK_TRAP_GROUP(BFD),
+ DEVLINK_TRAP_GROUP(OSPF),
+ DEVLINK_TRAP_GROUP(BGP),
+ DEVLINK_TRAP_GROUP(VRRP),
+ DEVLINK_TRAP_GROUP(PIM),
+ DEVLINK_TRAP_GROUP(UC_LB),
+ DEVLINK_TRAP_GROUP(LOCAL_DELIVERY),
+ DEVLINK_TRAP_GROUP(IPV6),
+ DEVLINK_TRAP_GROUP(PTP_EVENT),
+ DEVLINK_TRAP_GROUP(PTP_GENERAL),
+ DEVLINK_TRAP_GROUP(ACL_SAMPLE),
+ DEVLINK_TRAP_GROUP(ACL_TRAP),
};
static int devlink_trap_generic_verify(const struct devlink_trap *trap)
@@ -8798,6 +8909,13 @@ void devlink_trap_report(struct devlink *devlink, struct sk_buff *skb,
devlink_trap_stats_update(trap_item->stats, skb->len);
devlink_trap_stats_update(trap_item->group_item->stats, skb->len);
+ /* Control packets were not dropped by the device or encountered an
+ * exception during forwarding and therefore should not be reported to
+ * the kernel's drop monitor.
+ */
+ if (trap_item->trap->type == DEVLINK_TRAP_TYPE_CONTROL)
+ return;
+
devlink_trap_report_metadata_fill(&hw_metadata, trap_item,
in_devlink_port, fa_cookie);
net_dm_hw_report(skb, &hw_metadata);
diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c
index 8e33cec9fc4e..2ee7bc4c9e03 100644
--- a/net/core/drop_monitor.c
+++ b/net/core/drop_monitor.c
@@ -213,6 +213,7 @@ static void sched_send_work(struct timer_list *t)
static void trace_drop_common(struct sk_buff *skb, void *location)
{
struct net_dm_alert_msg *msg;
+ struct net_dm_drop_point *point;
struct nlmsghdr *nlh;
struct nlattr *nla;
int i;
@@ -231,11 +232,13 @@ static void trace_drop_common(struct sk_buff *skb, void *location)
nlh = (struct nlmsghdr *)dskb->data;
nla = genlmsg_data(nlmsg_data(nlh));
msg = nla_data(nla);
+ point = msg->points;
for (i = 0; i < msg->entries; i++) {
- if (!memcmp(&location, msg->points[i].pc, sizeof(void *))) {
- msg->points[i].count++;
+ if (!memcmp(&location, &point->pc, sizeof(void *))) {
+ point->count++;
goto out;
}
+ point++;
}
if (msg->entries == dm_hit_limit)
goto out;
@@ -244,8 +247,8 @@ static void trace_drop_common(struct sk_buff *skb, void *location)
*/
__nla_reserve_nohdr(dskb, sizeof(struct net_dm_drop_point));
nla->nla_len += NLA_ALIGN(sizeof(struct net_dm_drop_point));
- memcpy(msg->points[msg->entries].pc, &location, sizeof(void *));
- msg->points[msg->entries].count = 1;
+ memcpy(point->pc, &location, sizeof(void *));
+ point->count = 1;
msg->entries++;
if (!timer_pending(&data->send_timer)) {
diff --git a/net/core/dst.c b/net/core/dst.c
index 193af526e908..d6b6ced0d451 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -81,11 +81,11 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
{
struct dst_entry *dst;
- if (ops->gc && dst_entries_get_fast(ops) > ops->gc_thresh) {
+ if (ops->gc &&
+ !(flags & DST_NOCOUNT) &&
+ dst_entries_get_fast(ops) > ops->gc_thresh) {
if (ops->gc(ops)) {
- printk_ratelimited(KERN_NOTICE "Route cache is full: "
- "consider increasing sysctl "
- "net.ipv[4|6].route.max_size.\n");
+ pr_notice_ratelimited("Route cache is full: consider increasing sysctl net.ipv6.route.max_size.\n");
return NULL;
}
}
diff --git a/net/core/filter.c b/net/core/filter.c
index 7d6ceaa54d21..d01a244b5087 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -256,17 +256,6 @@ BPF_CALL_2(bpf_skb_load_helper_32_no_cache, const struct sk_buff *, skb,
offset);
}
-BPF_CALL_0(bpf_get_raw_cpu_id)
-{
- return raw_smp_processor_id();
-}
-
-static const struct bpf_func_proto bpf_get_raw_smp_processor_id_proto = {
- .func = bpf_get_raw_cpu_id,
- .gpl_only = false,
- .ret_type = RET_INTEGER,
-};
-
static u32 convert_skb_access(int skb_field, int dst_reg, int src_reg,
struct bpf_insn *insn_buf)
{
@@ -2026,6 +2015,40 @@ static const struct bpf_func_proto bpf_csum_update_proto = {
.arg2_type = ARG_ANYTHING,
};
+BPF_CALL_2(bpf_csum_level, struct sk_buff *, skb, u64, level)
+{
+ /* The interface is to be used in combination with bpf_skb_adjust_room()
+ * for encap/decap of packet headers when BPF_F_ADJ_ROOM_NO_CSUM_RESET
+ * is passed as flags, for example.
+ */
+ switch (level) {
+ case BPF_CSUM_LEVEL_INC:
+ __skb_incr_checksum_unnecessary(skb);
+ break;
+ case BPF_CSUM_LEVEL_DEC:
+ __skb_decr_checksum_unnecessary(skb);
+ break;
+ case BPF_CSUM_LEVEL_RESET:
+ __skb_reset_checksum_unnecessary(skb);
+ break;
+ case BPF_CSUM_LEVEL_QUERY:
+ return skb->ip_summed == CHECKSUM_UNNECESSARY ?
+ skb->csum_level : -EACCES;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct bpf_func_proto bpf_csum_level_proto = {
+ .func = bpf_csum_level,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_ANYTHING,
+};
+
static inline int __bpf_rx_skb(struct net_device *dev, struct sk_buff *skb)
{
return dev_forward_skb(dev, skb);
@@ -2590,8 +2613,8 @@ BPF_CALL_4(bpf_msg_pop_data, struct sk_msg *, msg, u32, start,
}
pop = 0;
} else if (pop >= sge->length - a) {
- sge->length = a;
pop -= (sge->length - a);
+ sge->length = a;
}
}
@@ -3124,7 +3147,8 @@ static int bpf_skb_net_shrink(struct sk_buff *skb, u32 off, u32 len_diff,
{
int ret;
- if (flags & ~BPF_F_ADJ_ROOM_FIXED_GSO)
+ if (unlikely(flags & ~(BPF_F_ADJ_ROOM_FIXED_GSO |
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET)))
return -EINVAL;
if (skb_is_gso(skb) && !skb_is_gso_tcp(skb)) {
@@ -3174,7 +3198,8 @@ BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff,
u32 off;
int ret;
- if (unlikely(flags & ~BPF_F_ADJ_ROOM_MASK))
+ if (unlikely(flags & ~(BPF_F_ADJ_ROOM_MASK |
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET)))
return -EINVAL;
if (unlikely(len_diff_abs > 0xfffU))
return -EFAULT;
@@ -3202,6 +3227,8 @@ BPF_CALL_4(bpf_skb_adjust_room, struct sk_buff *, skb, s32, len_diff,
ret = shrink ? bpf_skb_net_shrink(skb, off, len_diff_abs, flags) :
bpf_skb_net_grow(skb, off, len_diff_abs, flags);
+ if (!ret && !(flags & BPF_F_ADJ_ROOM_NO_CSUM_RESET))
+ __skb_reset_checksum_unnecessary(skb);
bpf_compute_data_pointers(skb);
return ret;
@@ -3422,15 +3449,26 @@ static const struct bpf_func_proto bpf_xdp_adjust_head_proto = {
BPF_CALL_2(bpf_xdp_adjust_tail, struct xdp_buff *, xdp, int, offset)
{
+ void *data_hard_end = xdp_data_hard_end(xdp); /* use xdp->frame_sz */
void *data_end = xdp->data_end + offset;
- /* only shrinking is allowed for now. */
- if (unlikely(offset >= 0))
+ /* Notice that xdp_data_hard_end have reserved some tailroom */
+ if (unlikely(data_end > data_hard_end))
return -EINVAL;
+ /* ALL drivers MUST init xdp->frame_sz, chicken check below */
+ if (unlikely(xdp->frame_sz > PAGE_SIZE)) {
+ WARN_ONCE(1, "Too BIG xdp->frame_sz = %d\n", xdp->frame_sz);
+ return -EINVAL;
+ }
+
if (unlikely(data_end < xdp->data + ETH_HLEN))
return -EINVAL;
+ /* Clear memory area on grow, can contain uninit kernel memory */
+ if (offset > 0)
+ memset(xdp->data_end, 0, offset);
+
xdp->data_end = data_end;
return 0;
@@ -4014,16 +4052,22 @@ static const struct bpf_func_proto bpf_skb_under_cgroup_proto = {
};
#ifdef CONFIG_SOCK_CGROUP_DATA
+static inline u64 __bpf_sk_cgroup_id(struct sock *sk)
+{
+ struct cgroup *cgrp;
+
+ cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
+ return cgroup_id(cgrp);
+}
+
BPF_CALL_1(bpf_skb_cgroup_id, const struct sk_buff *, skb)
{
struct sock *sk = skb_to_full_sk(skb);
- struct cgroup *cgrp;
if (!sk || !sk_fullsock(sk))
return 0;
- cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
- return cgroup_id(cgrp);
+ return __bpf_sk_cgroup_id(sk);
}
static const struct bpf_func_proto bpf_skb_cgroup_id_proto = {
@@ -4033,16 +4077,12 @@ static const struct bpf_func_proto bpf_skb_cgroup_id_proto = {
.arg1_type = ARG_PTR_TO_CTX,
};
-BPF_CALL_2(bpf_skb_ancestor_cgroup_id, const struct sk_buff *, skb, int,
- ancestor_level)
+static inline u64 __bpf_sk_ancestor_cgroup_id(struct sock *sk,
+ int ancestor_level)
{
- struct sock *sk = skb_to_full_sk(skb);
struct cgroup *ancestor;
struct cgroup *cgrp;
- if (!sk || !sk_fullsock(sk))
- return 0;
-
cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
ancestor = cgroup_ancestor(cgrp, ancestor_level);
if (!ancestor)
@@ -4051,6 +4091,17 @@ BPF_CALL_2(bpf_skb_ancestor_cgroup_id, const struct sk_buff *, skb, int,
return cgroup_id(ancestor);
}
+BPF_CALL_2(bpf_skb_ancestor_cgroup_id, const struct sk_buff *, skb, int,
+ ancestor_level)
+{
+ struct sock *sk = skb_to_full_sk(skb);
+
+ if (!sk || !sk_fullsock(sk))
+ return 0;
+
+ return __bpf_sk_ancestor_cgroup_id(sk, ancestor_level);
+}
+
static const struct bpf_func_proto bpf_skb_ancestor_cgroup_id_proto = {
.func = bpf_skb_ancestor_cgroup_id,
.gpl_only = false,
@@ -4058,6 +4109,31 @@ static const struct bpf_func_proto bpf_skb_ancestor_cgroup_id_proto = {
.arg1_type = ARG_PTR_TO_CTX,
.arg2_type = ARG_ANYTHING,
};
+
+BPF_CALL_1(bpf_sk_cgroup_id, struct sock *, sk)
+{
+ return __bpf_sk_cgroup_id(sk);
+}
+
+static const struct bpf_func_proto bpf_sk_cgroup_id_proto = {
+ .func = bpf_sk_cgroup_id,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_SOCKET,
+};
+
+BPF_CALL_2(bpf_sk_ancestor_cgroup_id, struct sock *, sk, int, ancestor_level)
+{
+ return __bpf_sk_ancestor_cgroup_id(sk, ancestor_level);
+}
+
+static const struct bpf_func_proto bpf_sk_ancestor_cgroup_id_proto = {
+ .func = bpf_sk_ancestor_cgroup_id,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_SOCKET,
+ .arg2_type = ARG_ANYTHING,
+};
#endif
static unsigned long bpf_xdp_copy(void *dst_buff, const void *src_buff,
@@ -4205,38 +4281,24 @@ static const struct bpf_func_proto bpf_get_socket_uid_proto = {
.arg1_type = ARG_PTR_TO_CTX,
};
-BPF_CALL_5(bpf_event_output_data, void *, ctx, struct bpf_map *, map, u64, flags,
- void *, data, u64, size)
-{
- if (unlikely(flags & ~(BPF_F_INDEX_MASK)))
- return -EINVAL;
-
- return bpf_event_output(map, flags, data, size, NULL, 0, NULL);
-}
+#define SOCKOPT_CC_REINIT (1 << 0)
-static const struct bpf_func_proto bpf_event_output_data_proto = {
- .func = bpf_event_output_data,
- .gpl_only = true,
- .ret_type = RET_INTEGER,
- .arg1_type = ARG_PTR_TO_CTX,
- .arg2_type = ARG_CONST_MAP_PTR,
- .arg3_type = ARG_ANYTHING,
- .arg4_type = ARG_PTR_TO_MEM,
- .arg5_type = ARG_CONST_SIZE_OR_ZERO,
-};
-
-BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
- int, level, int, optname, char *, optval, int, optlen)
+static int _bpf_setsockopt(struct sock *sk, int level, int optname,
+ char *optval, int optlen, u32 flags)
{
- struct sock *sk = bpf_sock->sk;
+ char devname[IFNAMSIZ];
+ struct net *net;
+ int ifindex;
int ret = 0;
int val;
if (!sk_fullsock(sk))
return -EINVAL;
+ sock_owned_by_me(sk);
+
if (level == SOL_SOCKET) {
- if (optlen != sizeof(int))
+ if (optlen != sizeof(int) && optname != SO_BINDTODEVICE)
return -EINVAL;
val = *((int *)optval);
@@ -4277,6 +4339,29 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
sk_dst_reset(sk);
}
break;
+ case SO_BINDTODEVICE:
+ ret = -ENOPROTOOPT;
+#ifdef CONFIG_NETDEVICES
+ optlen = min_t(long, optlen, IFNAMSIZ - 1);
+ strncpy(devname, optval, optlen);
+ devname[optlen] = 0;
+
+ ifindex = 0;
+ if (devname[0] != '\0') {
+ struct net_device *dev;
+
+ ret = -ENODEV;
+
+ net = sock_net(sk);
+ dev = dev_get_by_name(net, devname);
+ if (!dev)
+ break;
+ ifindex = dev->ifindex;
+ dev_put(dev);
+ }
+ ret = sock_bindtoindex(sk, ifindex, false);
+#endif
+ break;
default:
ret = -EINVAL;
}
@@ -4329,7 +4414,7 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
sk->sk_prot->setsockopt == tcp_setsockopt) {
if (optname == TCP_CONGESTION) {
char name[TCP_CA_NAME_MAX];
- bool reinit = bpf_sock->op > BPF_SOCK_OPS_NEEDS_ECN;
+ bool reinit = flags & SOCKOPT_CC_REINIT;
strncpy(name, optval, min_t(long, optlen,
TCP_CA_NAME_MAX-1));
@@ -4376,24 +4461,14 @@ BPF_CALL_5(bpf_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
return ret;
}
-static const struct bpf_func_proto bpf_setsockopt_proto = {
- .func = bpf_setsockopt,
- .gpl_only = false,
- .ret_type = RET_INTEGER,
- .arg1_type = ARG_PTR_TO_CTX,
- .arg2_type = ARG_ANYTHING,
- .arg3_type = ARG_ANYTHING,
- .arg4_type = ARG_PTR_TO_MEM,
- .arg5_type = ARG_CONST_SIZE,
-};
-
-BPF_CALL_5(bpf_getsockopt, struct bpf_sock_ops_kern *, bpf_sock,
- int, level, int, optname, char *, optval, int, optlen)
+static int _bpf_getsockopt(struct sock *sk, int level, int optname,
+ char *optval, int optlen)
{
- struct sock *sk = bpf_sock->sk;
-
if (!sk_fullsock(sk))
goto err_clear;
+
+ sock_owned_by_me(sk);
+
#ifdef CONFIG_INET
if (level == SOL_TCP && sk->sk_prot->getsockopt == tcp_getsockopt) {
struct inet_connection_sock *icsk;
@@ -4459,8 +4534,71 @@ err_clear:
return -EINVAL;
}
-static const struct bpf_func_proto bpf_getsockopt_proto = {
- .func = bpf_getsockopt,
+BPF_CALL_5(bpf_sock_addr_setsockopt, struct bpf_sock_addr_kern *, ctx,
+ int, level, int, optname, char *, optval, int, optlen)
+{
+ u32 flags = 0;
+ return _bpf_setsockopt(ctx->sk, level, optname, optval, optlen,
+ flags);
+}
+
+static const struct bpf_func_proto bpf_sock_addr_setsockopt_proto = {
+ .func = bpf_sock_addr_setsockopt,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_ANYTHING,
+ .arg3_type = ARG_ANYTHING,
+ .arg4_type = ARG_PTR_TO_MEM,
+ .arg5_type = ARG_CONST_SIZE,
+};
+
+BPF_CALL_5(bpf_sock_addr_getsockopt, struct bpf_sock_addr_kern *, ctx,
+ int, level, int, optname, char *, optval, int, optlen)
+{
+ return _bpf_getsockopt(ctx->sk, level, optname, optval, optlen);
+}
+
+static const struct bpf_func_proto bpf_sock_addr_getsockopt_proto = {
+ .func = bpf_sock_addr_getsockopt,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_ANYTHING,
+ .arg3_type = ARG_ANYTHING,
+ .arg4_type = ARG_PTR_TO_UNINIT_MEM,
+ .arg5_type = ARG_CONST_SIZE,
+};
+
+BPF_CALL_5(bpf_sock_ops_setsockopt, struct bpf_sock_ops_kern *, bpf_sock,
+ int, level, int, optname, char *, optval, int, optlen)
+{
+ u32 flags = 0;
+ if (bpf_sock->op > BPF_SOCK_OPS_NEEDS_ECN)
+ flags |= SOCKOPT_CC_REINIT;
+ return _bpf_setsockopt(bpf_sock->sk, level, optname, optval, optlen,
+ flags);
+}
+
+static const struct bpf_func_proto bpf_sock_ops_setsockopt_proto = {
+ .func = bpf_sock_ops_setsockopt,
+ .gpl_only = false,
+ .ret_type = RET_INTEGER,
+ .arg1_type = ARG_PTR_TO_CTX,
+ .arg2_type = ARG_ANYTHING,
+ .arg3_type = ARG_ANYTHING,
+ .arg4_type = ARG_PTR_TO_MEM,
+ .arg5_type = ARG_CONST_SIZE,
+};
+
+BPF_CALL_5(bpf_sock_ops_getsockopt, struct bpf_sock_ops_kern *, bpf_sock,
+ int, level, int, optname, char *, optval, int, optlen)
+{
+ return _bpf_getsockopt(bpf_sock->sk, level, optname, optval, optlen);
+}
+
+static const struct bpf_func_proto bpf_sock_ops_getsockopt_proto = {
+ .func = bpf_sock_ops_getsockopt,
.gpl_only = false,
.ret_type = RET_INTEGER,
.arg1_type = ARG_PTR_TO_CTX,
@@ -4500,30 +4638,28 @@ BPF_CALL_3(bpf_bind, struct bpf_sock_addr_kern *, ctx, struct sockaddr *, addr,
{
#ifdef CONFIG_INET
struct sock *sk = ctx->sk;
+ u32 flags = BIND_FROM_BPF;
int err;
- /* Binding to port can be expensive so it's prohibited in the helper.
- * Only binding to IP is supported.
- */
err = -EINVAL;
if (addr_len < offsetofend(struct sockaddr, sa_family))
return err;
if (addr->sa_family == AF_INET) {
if (addr_len < sizeof(struct sockaddr_in))
return err;
- if (((struct sockaddr_in *)addr)->sin_port != htons(0))
- return err;
- return __inet_bind(sk, addr, addr_len, true, false);
+ if (((struct sockaddr_in *)addr)->sin_port == htons(0))
+ flags |= BIND_FORCE_ADDRESS_NO_PORT;
+ return __inet_bind(sk, addr, addr_len, flags);
#if IS_ENABLED(CONFIG_IPV6)
} else if (addr->sa_family == AF_INET6) {
if (addr_len < SIN6_LEN_RFC2133)
return err;
- if (((struct sockaddr_in6 *)addr)->sin6_port != htons(0))
- return err;
+ if (((struct sockaddr_in6 *)addr)->sin6_port == htons(0))
+ flags |= BIND_FORCE_ADDRESS_NO_PORT;
/* ipv6_bpf_stub cannot be NULL, since it's called from
* bpf_cgroup_inet6_connect hook and ipv6 is already loaded
*/
- return ipv6_bpf_stub->inet6_bind(sk, addr, addr_len, true, false);
+ return ipv6_bpf_stub->inet6_bind(sk, addr, addr_len, flags);
#endif /* CONFIG_IPV6 */
}
#endif /* CONFIG_INET */
@@ -5983,52 +6119,7 @@ bool bpf_helper_changes_pkt_data(void *func)
return false;
}
-const struct bpf_func_proto *
-bpf_base_func_proto(enum bpf_func_id func_id)
-{
- switch (func_id) {
- case BPF_FUNC_map_lookup_elem:
- return &bpf_map_lookup_elem_proto;
- case BPF_FUNC_map_update_elem:
- return &bpf_map_update_elem_proto;
- case BPF_FUNC_map_delete_elem:
- return &bpf_map_delete_elem_proto;
- case BPF_FUNC_map_push_elem:
- return &bpf_map_push_elem_proto;
- case BPF_FUNC_map_pop_elem:
- return &bpf_map_pop_elem_proto;
- case BPF_FUNC_map_peek_elem:
- return &bpf_map_peek_elem_proto;
- case BPF_FUNC_get_prandom_u32:
- return &bpf_get_prandom_u32_proto;
- case BPF_FUNC_get_smp_processor_id:
- return &bpf_get_raw_smp_processor_id_proto;
- case BPF_FUNC_get_numa_node_id:
- return &bpf_get_numa_node_id_proto;
- case BPF_FUNC_tail_call:
- return &bpf_tail_call_proto;
- case BPF_FUNC_ktime_get_ns:
- return &bpf_ktime_get_ns_proto;
- default:
- break;
- }
-
- if (!capable(CAP_SYS_ADMIN))
- return NULL;
-
- switch (func_id) {
- case BPF_FUNC_spin_lock:
- return &bpf_spin_lock_proto;
- case BPF_FUNC_spin_unlock:
- return &bpf_spin_unlock_proto;
- case BPF_FUNC_trace_printk:
- return bpf_get_trace_printk_proto();
- case BPF_FUNC_jiffies64:
- return &bpf_jiffies64_proto;
- default:
- return NULL;
- }
-}
+const struct bpf_func_proto bpf_event_output_data_proto __weak;
static const struct bpf_func_proto *
sock_filter_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
@@ -6119,6 +6210,22 @@ sock_addr_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_sk_storage_get_proto;
case BPF_FUNC_sk_storage_delete:
return &bpf_sk_storage_delete_proto;
+ case BPF_FUNC_setsockopt:
+ switch (prog->expected_attach_type) {
+ case BPF_CGROUP_INET4_CONNECT:
+ case BPF_CGROUP_INET6_CONNECT:
+ return &bpf_sock_addr_setsockopt_proto;
+ default:
+ return NULL;
+ }
+ case BPF_FUNC_getsockopt:
+ switch (prog->expected_attach_type) {
+ case BPF_CGROUP_INET4_CONNECT:
+ case BPF_CGROUP_INET6_CONNECT:
+ return &bpf_sock_addr_getsockopt_proto;
+ default:
+ return NULL;
+ }
default:
return bpf_base_func_proto(func_id);
}
@@ -6163,8 +6270,22 @@ cg_skb_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
#ifdef CONFIG_SOCK_CGROUP_DATA
case BPF_FUNC_skb_cgroup_id:
return &bpf_skb_cgroup_id_proto;
+ case BPF_FUNC_skb_ancestor_cgroup_id:
+ return &bpf_skb_ancestor_cgroup_id_proto;
+ case BPF_FUNC_sk_cgroup_id:
+ return &bpf_sk_cgroup_id_proto;
+ case BPF_FUNC_sk_ancestor_cgroup_id:
+ return &bpf_sk_ancestor_cgroup_id_proto;
#endif
#ifdef CONFIG_INET
+ case BPF_FUNC_sk_lookup_tcp:
+ return &bpf_sk_lookup_tcp_proto;
+ case BPF_FUNC_sk_lookup_udp:
+ return &bpf_sk_lookup_udp_proto;
+ case BPF_FUNC_sk_release:
+ return &bpf_sk_release_proto;
+ case BPF_FUNC_skc_lookup_tcp:
+ return &bpf_skc_lookup_tcp_proto;
case BPF_FUNC_tcp_sock:
return &bpf_tcp_sock_proto;
case BPF_FUNC_get_listener_sock:
@@ -6193,6 +6314,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_csum_diff_proto;
case BPF_FUNC_csum_update:
return &bpf_csum_update_proto;
+ case BPF_FUNC_csum_level:
+ return &bpf_csum_level_proto;
case BPF_FUNC_l3_csum_replace:
return &bpf_l3_csum_replace_proto;
case BPF_FUNC_l4_csum_replace:
@@ -6213,6 +6336,8 @@ tc_cls_act_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_skb_adjust_room_proto;
case BPF_FUNC_skb_change_tail:
return &bpf_skb_change_tail_proto;
+ case BPF_FUNC_skb_change_head:
+ return &bpf_skb_change_head_proto;
case BPF_FUNC_skb_get_tunnel_key:
return &bpf_skb_get_tunnel_key_proto;
case BPF_FUNC_skb_set_tunnel_key:
@@ -6335,9 +6460,9 @@ sock_ops_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
{
switch (func_id) {
case BPF_FUNC_setsockopt:
- return &bpf_setsockopt_proto;
+ return &bpf_sock_ops_setsockopt_proto;
case BPF_FUNC_getsockopt:
- return &bpf_getsockopt_proto;
+ return &bpf_sock_ops_getsockopt_proto;
case BPF_FUNC_sock_ops_cb_flags_set:
return &bpf_sock_ops_cb_flags_set_proto;
case BPF_FUNC_sock_map_update:
@@ -6384,6 +6509,26 @@ sk_msg_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_msg_push_data_proto;
case BPF_FUNC_msg_pop_data:
return &bpf_msg_pop_data_proto;
+ case BPF_FUNC_perf_event_output:
+ return &bpf_event_output_data_proto;
+ case BPF_FUNC_get_current_uid_gid:
+ return &bpf_get_current_uid_gid_proto;
+ case BPF_FUNC_get_current_pid_tgid:
+ return &bpf_get_current_pid_tgid_proto;
+ case BPF_FUNC_sk_storage_get:
+ return &bpf_sk_storage_get_proto;
+ case BPF_FUNC_sk_storage_delete:
+ return &bpf_sk_storage_delete_proto;
+#ifdef CONFIG_CGROUPS
+ case BPF_FUNC_get_current_cgroup_id:
+ return &bpf_get_current_cgroup_id_proto;
+ case BPF_FUNC_get_current_ancestor_cgroup_id:
+ return &bpf_get_current_ancestor_cgroup_id_proto;
+#endif
+#ifdef CONFIG_CGROUP_NET_CLASSID
+ case BPF_FUNC_get_cgroup_classid:
+ return &bpf_get_cgroup_classid_curr_proto;
+#endif
default:
return bpf_base_func_proto(func_id);
}
@@ -6504,6 +6649,8 @@ lwt_xmit_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog)
return &bpf_skb_store_bytes_proto;
case BPF_FUNC_csum_update:
return &bpf_csum_update_proto;
+ case BPF_FUNC_csum_level:
+ return &bpf_csum_level_proto;
case BPF_FUNC_l3_csum_replace:
return &bpf_l3_csum_replace_proto;
case BPF_FUNC_l4_csum_replace:
@@ -6628,7 +6775,7 @@ static bool cg_skb_is_valid_access(int off, int size,
return false;
case bpf_ctx_range(struct __sk_buff, data):
case bpf_ctx_range(struct __sk_buff, data_end):
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return false;
break;
}
@@ -6640,7 +6787,7 @@ static bool cg_skb_is_valid_access(int off, int size,
case bpf_ctx_range_till(struct __sk_buff, cb[0], cb[4]):
break;
case bpf_ctx_range(struct __sk_buff, tstamp):
- if (!capable(CAP_SYS_ADMIN))
+ if (!bpf_capable())
return false;
break;
default:
@@ -6770,6 +6917,7 @@ bool bpf_sock_is_valid_access(int off, int size, enum bpf_access_type type,
case offsetof(struct bpf_sock, protocol):
case offsetof(struct bpf_sock, dst_port):
case offsetof(struct bpf_sock, src_port):
+ case offsetof(struct bpf_sock, rx_queue_mapping):
case bpf_ctx_range(struct bpf_sock, src_ip4):
case bpf_ctx_range_till(struct bpf_sock, src_ip6[0], src_ip6[3]):
case bpf_ctx_range(struct bpf_sock, dst_ip4):
@@ -6935,6 +7083,13 @@ static bool xdp_is_valid_access(int off, int size,
const struct bpf_prog *prog,
struct bpf_insn_access_aux *info)
{
+ if (prog->expected_attach_type != BPF_XDP_DEVMAP) {
+ switch (off) {
+ case offsetof(struct xdp_md, egress_ifindex):
+ return false;
+ }
+ }
+
if (type == BPF_WRITE) {
if (bpf_prog_is_dev_bound(prog->aux)) {
switch (off) {
@@ -6990,6 +7145,8 @@ static bool sock_addr_is_valid_access(int off, int size,
switch (prog->expected_attach_type) {
case BPF_CGROUP_INET4_BIND:
case BPF_CGROUP_INET4_CONNECT:
+ case BPF_CGROUP_INET4_GETPEERNAME:
+ case BPF_CGROUP_INET4_GETSOCKNAME:
case BPF_CGROUP_UDP4_SENDMSG:
case BPF_CGROUP_UDP4_RECVMSG:
break;
@@ -7001,6 +7158,8 @@ static bool sock_addr_is_valid_access(int off, int size,
switch (prog->expected_attach_type) {
case BPF_CGROUP_INET6_BIND:
case BPF_CGROUP_INET6_CONNECT:
+ case BPF_CGROUP_INET6_GETPEERNAME:
+ case BPF_CGROUP_INET6_GETSOCKNAME:
case BPF_CGROUP_UDP6_SENDMSG:
case BPF_CGROUP_UDP6_RECVMSG:
break;
@@ -7033,6 +7192,7 @@ static bool sock_addr_is_valid_access(int off, int size,
case bpf_ctx_range(struct bpf_sock_addr, msg_src_ip4):
case bpf_ctx_range_till(struct bpf_sock_addr, msg_src_ip6[0],
msg_src_ip6[3]):
+ case bpf_ctx_range(struct bpf_sock_addr, user_port):
if (type == BPF_READ) {
bpf_ctx_record_field_size(info, size_default);
@@ -7063,10 +7223,6 @@ static bool sock_addr_is_valid_access(int off, int size,
return false;
}
break;
- case bpf_ctx_range(struct bpf_sock_addr, user_port):
- if (size != size_default)
- return false;
- break;
case offsetof(struct bpf_sock_addr, sk):
if (type != BPF_READ)
return false;
@@ -7197,6 +7353,11 @@ static bool sk_msg_is_valid_access(int off, int size,
if (size != sizeof(__u64))
return false;
break;
+ case offsetof(struct sk_msg_md, sk):
+ if (size != sizeof(__u64))
+ return false;
+ info->reg_type = PTR_TO_SOCKET;
+ break;
case bpf_ctx_range(struct sk_msg_md, family):
case bpf_ctx_range(struct sk_msg_md, remote_ip4):
case bpf_ctx_range(struct sk_msg_md, local_ip4):
@@ -7812,6 +7973,23 @@ u32 bpf_sock_convert_ctx_access(enum bpf_access_type type,
skc_state),
target_size));
break;
+ case offsetof(struct bpf_sock, rx_queue_mapping):
+#ifdef CONFIG_XPS
+ *insn++ = BPF_LDX_MEM(
+ BPF_FIELD_SIZEOF(struct sock, sk_rx_queue_mapping),
+ si->dst_reg, si->src_reg,
+ bpf_target_off(struct sock, sk_rx_queue_mapping,
+ sizeof_field(struct sock,
+ sk_rx_queue_mapping),
+ target_size));
+ *insn++ = BPF_JMP_IMM(BPF_JNE, si->dst_reg, NO_QUEUE_MAPPING,
+ 1);
+ *insn++ = BPF_MOV64_IMM(si->dst_reg, -1);
+#else
+ *insn++ = BPF_MOV64_IMM(si->dst_reg, -1);
+ *target_size = 2;
+#endif
+ break;
}
return insn - insn_buf;
@@ -7882,6 +8060,16 @@ static u32 xdp_convert_ctx_access(enum bpf_access_type type,
offsetof(struct xdp_rxq_info,
queue_index));
break;
+ case offsetof(struct xdp_md, egress_ifindex):
+ *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct xdp_buff, txq),
+ si->dst_reg, si->src_reg,
+ offsetof(struct xdp_buff, txq));
+ *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct xdp_txq_info, dev),
+ si->dst_reg, si->dst_reg,
+ offsetof(struct xdp_txq_info, dev));
+ *insn++ = BPF_LDX_MEM(BPF_W, si->dst_reg, si->dst_reg,
+ offsetof(struct net_device, ifindex));
+ break;
}
return insn - insn_buf;
@@ -7962,8 +8150,8 @@ static u32 sock_addr_convert_ctx_access(enum bpf_access_type type,
struct bpf_insn *insn_buf,
struct bpf_prog *prog, u32 *target_size)
{
+ int off, port_size = sizeof_field(struct sockaddr_in6, sin6_port);
struct bpf_insn *insn = insn_buf;
- int off;
switch (si->off) {
case offsetof(struct bpf_sock_addr, user_family):
@@ -7998,9 +8186,11 @@ static u32 sock_addr_convert_ctx_access(enum bpf_access_type type,
offsetof(struct sockaddr_in6, sin6_port));
BUILD_BUG_ON(sizeof_field(struct sockaddr_in, sin_port) !=
sizeof_field(struct sockaddr_in6, sin6_port));
- SOCK_ADDR_LOAD_OR_STORE_NESTED_FIELD(struct bpf_sock_addr_kern,
- struct sockaddr_in6, uaddr,
- sin6_port, tmp_reg);
+ /* Account for sin6_port being smaller than user_port. */
+ port_size = min(port_size, BPF_LDST_BYTES(si));
+ SOCK_ADDR_LOAD_OR_STORE_NESTED_FIELD_SIZE_OFF(
+ struct bpf_sock_addr_kern, struct sockaddr_in6, uaddr,
+ sin6_port, bytes_to_bpf_size(port_size), 0, tmp_reg);
break;
case offsetof(struct bpf_sock_addr, family):
@@ -8531,6 +8721,12 @@ static u32 sk_msg_convert_ctx_access(enum bpf_access_type type,
si->dst_reg, si->src_reg,
offsetof(struct sk_msg_sg, size));
break;
+
+ case offsetof(struct sk_msg_md, sk):
+ *insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct sk_msg, sk),
+ si->dst_reg, si->src_reg,
+ offsetof(struct sk_msg, sk));
+ break;
}
return insn - insn_buf;
@@ -8786,6 +8982,10 @@ BPF_CALL_4(sk_select_reuseport, struct sk_reuseport_kern *, reuse_kern,
reuse = rcu_dereference(selected_sk->sk_reuseport_cb);
if (!reuse) {
+ /* Lookup in sock_map can return TCP ESTABLISHED sockets. */
+ if (sk_is_refcounted(selected_sk))
+ sock_put(selected_sk);
+
/* reuseport_array has only sk with non NULL sk_reuseport_cb.
* The only (!reuse) case here is - the sk has already been
* unhashed (e.g. by close()), so treat it as -ENOENT.
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 3eff84824c8b..d02df0b6d0d9 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -31,8 +31,7 @@
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_labels.h>
#endif
-
-static DEFINE_MUTEX(flow_dissector_mutex);
+#include <linux/bpf-netns.h>
static void dissector_set_key(struct flow_dissector *flow_dissector,
enum flow_dissector_key_id key_id)
@@ -70,54 +69,11 @@ void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
}
EXPORT_SYMBOL(skb_flow_dissector_init);
-int skb_flow_dissector_prog_query(const union bpf_attr *attr,
- union bpf_attr __user *uattr)
-{
- __u32 __user *prog_ids = u64_to_user_ptr(attr->query.prog_ids);
- u32 prog_id, prog_cnt = 0, flags = 0;
- struct bpf_prog *attached;
- struct net *net;
-
- if (attr->query.query_flags)
- return -EINVAL;
-
- net = get_net_ns_by_fd(attr->query.target_fd);
- if (IS_ERR(net))
- return PTR_ERR(net);
-
- rcu_read_lock();
- attached = rcu_dereference(net->flow_dissector_prog);
- if (attached) {
- prog_cnt = 1;
- prog_id = attached->aux->id;
- }
- rcu_read_unlock();
-
- put_net(net);
-
- if (copy_to_user(&uattr->query.attach_flags, &flags, sizeof(flags)))
- return -EFAULT;
- if (copy_to_user(&uattr->query.prog_cnt, &prog_cnt, sizeof(prog_cnt)))
- return -EFAULT;
-
- if (!attr->query.prog_cnt || !prog_ids || !prog_cnt)
- return 0;
-
- if (copy_to_user(prog_ids, &prog_id, sizeof(u32)))
- return -EFAULT;
-
- return 0;
-}
-
-int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
- struct bpf_prog *prog)
+#ifdef CONFIG_BPF_SYSCALL
+int flow_dissector_bpf_prog_attach(struct net *net, struct bpf_prog *prog)
{
+ enum netns_bpf_attach_type type = NETNS_BPF_FLOW_DISSECTOR;
struct bpf_prog *attached;
- struct net *net;
- int ret = 0;
-
- net = current->nsproxy->net_ns;
- mutex_lock(&flow_dissector_mutex);
if (net == &init_net) {
/* BPF flow dissector in the root namespace overrides
@@ -130,54 +86,29 @@ int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
for_each_net(ns) {
if (ns == &init_net)
continue;
- if (rcu_access_pointer(ns->flow_dissector_prog)) {
- ret = -EEXIST;
- goto out;
- }
+ if (rcu_access_pointer(ns->bpf.progs[type]))
+ return -EEXIST;
}
} else {
/* Make sure root flow dissector is not attached
* when attaching to the non-root namespace.
*/
- if (rcu_access_pointer(init_net.flow_dissector_prog)) {
- ret = -EEXIST;
- goto out;
- }
+ if (rcu_access_pointer(init_net.bpf.progs[type]))
+ return -EEXIST;
}
- attached = rcu_dereference_protected(net->flow_dissector_prog,
- lockdep_is_held(&flow_dissector_mutex));
- if (attached == prog) {
+ attached = rcu_dereference_protected(net->bpf.progs[type],
+ lockdep_is_held(&netns_bpf_mutex));
+ if (attached == prog)
/* The same program cannot be attached twice */
- ret = -EINVAL;
- goto out;
- }
- rcu_assign_pointer(net->flow_dissector_prog, prog);
+ return -EINVAL;
+
+ rcu_assign_pointer(net->bpf.progs[type], prog);
if (attached)
bpf_prog_put(attached);
-out:
- mutex_unlock(&flow_dissector_mutex);
- return ret;
-}
-
-int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
-{
- struct bpf_prog *attached;
- struct net *net;
-
- net = current->nsproxy->net_ns;
- mutex_lock(&flow_dissector_mutex);
- attached = rcu_dereference_protected(net->flow_dissector_prog,
- lockdep_is_held(&flow_dissector_mutex));
- if (!attached) {
- mutex_unlock(&flow_dissector_mutex);
- return -ENOENT;
- }
- RCU_INIT_POINTER(net->flow_dissector_prog, NULL);
- bpf_prog_put(attached);
- mutex_unlock(&flow_dissector_mutex);
return 0;
}
+#endif /* CONFIG_BPF_SYSCALL */
/**
* __skb_flow_get_ports - extract the upper layer ports and return them
@@ -464,47 +395,59 @@ EXPORT_SYMBOL(skb_flow_dissect_tunnel_info);
static enum flow_dissect_ret
__skb_flow_dissect_mpls(const struct sk_buff *skb,
struct flow_dissector *flow_dissector,
- void *target_container, void *data, int nhoff, int hlen)
+ void *target_container, void *data, int nhoff, int hlen,
+ int lse_index, bool *entropy_label)
{
- struct flow_dissector_key_keyid *key_keyid;
- struct mpls_label *hdr, _hdr[2];
- u32 entry, label;
+ struct mpls_label *hdr, _hdr;
+ u32 entry, label, bos;
if (!dissector_uses_key(flow_dissector,
FLOW_DISSECTOR_KEY_MPLS_ENTROPY) &&
!dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_MPLS))
return FLOW_DISSECT_RET_OUT_GOOD;
+ if (lse_index >= FLOW_DIS_MPLS_MAX)
+ return FLOW_DISSECT_RET_OUT_GOOD;
+
hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data,
hlen, &_hdr);
if (!hdr)
return FLOW_DISSECT_RET_OUT_BAD;
- entry = ntohl(hdr[0].entry);
+ entry = ntohl(hdr->entry);
label = (entry & MPLS_LS_LABEL_MASK) >> MPLS_LS_LABEL_SHIFT;
+ bos = (entry & MPLS_LS_S_MASK) >> MPLS_LS_S_SHIFT;
if (dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_MPLS)) {
struct flow_dissector_key_mpls *key_mpls;
+ struct flow_dissector_mpls_lse *lse;
key_mpls = skb_flow_dissector_target(flow_dissector,
FLOW_DISSECTOR_KEY_MPLS,
target_container);
- key_mpls->mpls_label = label;
- key_mpls->mpls_ttl = (entry & MPLS_LS_TTL_MASK)
- >> MPLS_LS_TTL_SHIFT;
- key_mpls->mpls_tc = (entry & MPLS_LS_TC_MASK)
- >> MPLS_LS_TC_SHIFT;
- key_mpls->mpls_bos = (entry & MPLS_LS_S_MASK)
- >> MPLS_LS_S_SHIFT;
+ lse = &key_mpls->ls[lse_index];
+
+ lse->mpls_ttl = (entry & MPLS_LS_TTL_MASK) >> MPLS_LS_TTL_SHIFT;
+ lse->mpls_bos = bos;
+ lse->mpls_tc = (entry & MPLS_LS_TC_MASK) >> MPLS_LS_TC_SHIFT;
+ lse->mpls_label = label;
+ dissector_set_mpls_lse(key_mpls, lse_index);
}
- if (label == MPLS_LABEL_ENTROPY) {
+ if (*entropy_label &&
+ dissector_uses_key(flow_dissector,
+ FLOW_DISSECTOR_KEY_MPLS_ENTROPY)) {
+ struct flow_dissector_key_keyid *key_keyid;
+
key_keyid = skb_flow_dissector_target(flow_dissector,
FLOW_DISSECTOR_KEY_MPLS_ENTROPY,
target_container);
- key_keyid->keyid = hdr[1].entry & htonl(MPLS_LS_LABEL_MASK);
+ key_keyid->keyid = cpu_to_be32(label);
}
- return FLOW_DISSECT_RET_OUT_GOOD;
+
+ *entropy_label = label == MPLS_LABEL_ENTROPY;
+
+ return bos ? FLOW_DISSECT_RET_OUT_GOOD : FLOW_DISSECT_RET_PROTO_AGAIN;
}
static enum flow_dissect_ret
@@ -963,6 +906,8 @@ bool __skb_flow_dissect(const struct net *net,
struct bpf_prog *attached = NULL;
enum flow_dissect_ret fdret;
enum flow_dissector_key_id dissector_vlan = FLOW_DISSECTOR_KEY_MAX;
+ bool mpls_el = false;
+ int mpls_lse = 0;
int num_hdrs = 0;
u8 ip_proto = 0;
bool ret;
@@ -1014,11 +959,13 @@ bool __skb_flow_dissect(const struct net *net,
WARN_ON_ONCE(!net);
if (net) {
+ enum netns_bpf_attach_type type = NETNS_BPF_FLOW_DISSECTOR;
+
rcu_read_lock();
- attached = rcu_dereference(init_net.flow_dissector_prog);
+ attached = rcu_dereference(init_net.bpf.progs[type]);
if (!attached)
- attached = rcu_dereference(net->flow_dissector_prog);
+ attached = rcu_dereference(net->bpf.progs[type]);
if (attached) {
struct bpf_flow_keys flow_keys;
@@ -1262,7 +1209,10 @@ proto_again:
case htons(ETH_P_MPLS_MC):
fdret = __skb_flow_dissect_mpls(skb, flow_dissector,
target_container, data,
- nhoff, hlen);
+ nhoff, hlen, mpls_lse,
+ &mpls_el);
+ nhoff += sizeof(struct mpls_label);
+ mpls_lse++;
break;
case htons(ETH_P_FCOE):
if ((hlen - nhoff) < FCOE_HEADER_LEN) {
@@ -1838,5 +1788,4 @@ static int __init init_default_flow_dissectors(void)
ARRAY_SIZE(flow_keys_basic_dissector_keys));
return 0;
}
-
core_initcall(init_default_flow_dissectors);
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index e951b743bed3..0cfc35e6be28 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -8,6 +8,7 @@
struct flow_rule *flow_rule_alloc(unsigned int num_actions)
{
struct flow_rule *rule;
+ int i;
rule = kzalloc(struct_size(rule, action.entries, num_actions),
GFP_KERNEL);
@@ -15,6 +16,11 @@ struct flow_rule *flow_rule_alloc(unsigned int num_actions)
return NULL;
rule->action.num_entries = num_actions;
+ /* Pre-fill each action hw_stats with DONT_CARE.
+ * Caller can override this if it wants stats for a given action.
+ */
+ for (i = 0; i < num_actions; i++)
+ rule->action.entries[i].hw_stats = FLOW_ACTION_HW_STATS_DONT_CARE;
return rule;
}
@@ -311,240 +317,159 @@ int flow_block_cb_setup_simple(struct flow_block_offload *f,
}
EXPORT_SYMBOL(flow_block_cb_setup_simple);
-static LIST_HEAD(block_cb_list);
+static DEFINE_MUTEX(flow_indr_block_lock);
+static LIST_HEAD(flow_block_indr_list);
+static LIST_HEAD(flow_block_indr_dev_list);
-static struct rhashtable indr_setup_block_ht;
-
-struct flow_indr_block_cb {
- struct list_head list;
- void *cb_priv;
- flow_indr_block_bind_cb_t *cb;
- void *cb_ident;
-};
-
-struct flow_indr_block_dev {
- struct rhash_head ht_node;
- struct net_device *dev;
- unsigned int refcnt;
- struct list_head cb_list;
-};
-
-static const struct rhashtable_params flow_indr_setup_block_ht_params = {
- .key_offset = offsetof(struct flow_indr_block_dev, dev),
- .head_offset = offsetof(struct flow_indr_block_dev, ht_node),
- .key_len = sizeof(struct net_device *),
+struct flow_indr_dev {
+ struct list_head list;
+ flow_indr_block_bind_cb_t *cb;
+ void *cb_priv;
+ refcount_t refcnt;
+ struct rcu_head rcu;
};
-static struct flow_indr_block_dev *
-flow_indr_block_dev_lookup(struct net_device *dev)
-{
- return rhashtable_lookup_fast(&indr_setup_block_ht, &dev,
- flow_indr_setup_block_ht_params);
-}
-
-static struct flow_indr_block_dev *
-flow_indr_block_dev_get(struct net_device *dev)
+static struct flow_indr_dev *flow_indr_dev_alloc(flow_indr_block_bind_cb_t *cb,
+ void *cb_priv)
{
- struct flow_indr_block_dev *indr_dev;
+ struct flow_indr_dev *indr_dev;
- indr_dev = flow_indr_block_dev_lookup(dev);
- if (indr_dev)
- goto inc_ref;
-
- indr_dev = kzalloc(sizeof(*indr_dev), GFP_KERNEL);
+ indr_dev = kmalloc(sizeof(*indr_dev), GFP_KERNEL);
if (!indr_dev)
return NULL;
- INIT_LIST_HEAD(&indr_dev->cb_list);
- indr_dev->dev = dev;
- if (rhashtable_insert_fast(&indr_setup_block_ht, &indr_dev->ht_node,
- flow_indr_setup_block_ht_params)) {
- kfree(indr_dev);
- return NULL;
- }
+ indr_dev->cb = cb;
+ indr_dev->cb_priv = cb_priv;
+ refcount_set(&indr_dev->refcnt, 1);
-inc_ref:
- indr_dev->refcnt++;
return indr_dev;
}
-static void flow_indr_block_dev_put(struct flow_indr_block_dev *indr_dev)
-{
- if (--indr_dev->refcnt)
- return;
-
- rhashtable_remove_fast(&indr_setup_block_ht, &indr_dev->ht_node,
- flow_indr_setup_block_ht_params);
- kfree(indr_dev);
-}
-
-static struct flow_indr_block_cb *
-flow_indr_block_cb_lookup(struct flow_indr_block_dev *indr_dev,
- flow_indr_block_bind_cb_t *cb, void *cb_ident)
-{
- struct flow_indr_block_cb *indr_block_cb;
-
- list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list)
- if (indr_block_cb->cb == cb &&
- indr_block_cb->cb_ident == cb_ident)
- return indr_block_cb;
- return NULL;
-}
-
-static struct flow_indr_block_cb *
-flow_indr_block_cb_add(struct flow_indr_block_dev *indr_dev, void *cb_priv,
- flow_indr_block_bind_cb_t *cb, void *cb_ident)
+int flow_indr_dev_register(flow_indr_block_bind_cb_t *cb, void *cb_priv)
{
- struct flow_indr_block_cb *indr_block_cb;
+ struct flow_indr_dev *indr_dev;
- indr_block_cb = flow_indr_block_cb_lookup(indr_dev, cb, cb_ident);
- if (indr_block_cb)
- return ERR_PTR(-EEXIST);
+ mutex_lock(&flow_indr_block_lock);
+ list_for_each_entry(indr_dev, &flow_block_indr_dev_list, list) {
+ if (indr_dev->cb == cb &&
+ indr_dev->cb_priv == cb_priv) {
+ refcount_inc(&indr_dev->refcnt);
+ mutex_unlock(&flow_indr_block_lock);
+ return 0;
+ }
+ }
- indr_block_cb = kzalloc(sizeof(*indr_block_cb), GFP_KERNEL);
- if (!indr_block_cb)
- return ERR_PTR(-ENOMEM);
+ indr_dev = flow_indr_dev_alloc(cb, cb_priv);
+ if (!indr_dev) {
+ mutex_unlock(&flow_indr_block_lock);
+ return -ENOMEM;
+ }
- indr_block_cb->cb_priv = cb_priv;
- indr_block_cb->cb = cb;
- indr_block_cb->cb_ident = cb_ident;
- list_add(&indr_block_cb->list, &indr_dev->cb_list);
+ list_add(&indr_dev->list, &flow_block_indr_dev_list);
+ mutex_unlock(&flow_indr_block_lock);
- return indr_block_cb;
+ return 0;
}
+EXPORT_SYMBOL(flow_indr_dev_register);
-static void flow_indr_block_cb_del(struct flow_indr_block_cb *indr_block_cb)
+static void __flow_block_indr_cleanup(flow_setup_cb_t *setup_cb, void *cb_priv,
+ struct list_head *cleanup_list)
{
- list_del(&indr_block_cb->list);
- kfree(indr_block_cb);
-}
-
-static DEFINE_MUTEX(flow_indr_block_cb_lock);
+ struct flow_block_cb *this, *next;
-static void flow_block_cmd(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb, void *cb_priv,
- enum flow_block_command command)
-{
- struct flow_indr_block_entry *entry;
-
- mutex_lock(&flow_indr_block_cb_lock);
- list_for_each_entry(entry, &block_cb_list, list) {
- entry->cb(dev, cb, cb_priv, command);
+ list_for_each_entry_safe(this, next, &flow_block_indr_list, indr.list) {
+ if (this->cb == setup_cb &&
+ this->cb_priv == cb_priv) {
+ list_move(&this->indr.list, cleanup_list);
+ return;
+ }
}
- mutex_unlock(&flow_indr_block_cb_lock);
}
-int __flow_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- flow_indr_block_bind_cb_t *cb,
- void *cb_ident)
+static void flow_block_indr_notify(struct list_head *cleanup_list)
{
- struct flow_indr_block_cb *indr_block_cb;
- struct flow_indr_block_dev *indr_dev;
- int err;
-
- indr_dev = flow_indr_block_dev_get(dev);
- if (!indr_dev)
- return -ENOMEM;
-
- indr_block_cb = flow_indr_block_cb_add(indr_dev, cb_priv, cb, cb_ident);
- err = PTR_ERR_OR_ZERO(indr_block_cb);
- if (err)
- goto err_dev_put;
-
- flow_block_cmd(dev, indr_block_cb->cb, indr_block_cb->cb_priv,
- FLOW_BLOCK_BIND);
-
- return 0;
+ struct flow_block_cb *this, *next;
-err_dev_put:
- flow_indr_block_dev_put(indr_dev);
- return err;
-}
-EXPORT_SYMBOL_GPL(__flow_indr_block_cb_register);
-
-int flow_indr_block_cb_register(struct net_device *dev, void *cb_priv,
- flow_indr_block_bind_cb_t *cb,
- void *cb_ident)
-{
- int err;
-
- rtnl_lock();
- err = __flow_indr_block_cb_register(dev, cb_priv, cb, cb_ident);
- rtnl_unlock();
-
- return err;
+ list_for_each_entry_safe(this, next, cleanup_list, indr.list) {
+ list_del(&this->indr.list);
+ this->indr.cleanup(this);
+ }
}
-EXPORT_SYMBOL_GPL(flow_indr_block_cb_register);
-void __flow_indr_block_cb_unregister(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb,
- void *cb_ident)
+void flow_indr_dev_unregister(flow_indr_block_bind_cb_t *cb, void *cb_priv,
+ flow_setup_cb_t *setup_cb)
{
- struct flow_indr_block_cb *indr_block_cb;
- struct flow_indr_block_dev *indr_dev;
+ struct flow_indr_dev *this, *next, *indr_dev = NULL;
+ LIST_HEAD(cleanup_list);
- indr_dev = flow_indr_block_dev_lookup(dev);
- if (!indr_dev)
- return;
+ mutex_lock(&flow_indr_block_lock);
+ list_for_each_entry_safe(this, next, &flow_block_indr_dev_list, list) {
+ if (this->cb == cb &&
+ this->cb_priv == cb_priv &&
+ refcount_dec_and_test(&this->refcnt)) {
+ indr_dev = this;
+ list_del(&indr_dev->list);
+ break;
+ }
+ }
- indr_block_cb = flow_indr_block_cb_lookup(indr_dev, cb, cb_ident);
- if (!indr_block_cb)
+ if (!indr_dev) {
+ mutex_unlock(&flow_indr_block_lock);
return;
+ }
- flow_block_cmd(dev, indr_block_cb->cb, indr_block_cb->cb_priv,
- FLOW_BLOCK_UNBIND);
+ __flow_block_indr_cleanup(setup_cb, cb_priv, &cleanup_list);
+ mutex_unlock(&flow_indr_block_lock);
- flow_indr_block_cb_del(indr_block_cb);
- flow_indr_block_dev_put(indr_dev);
+ flow_block_indr_notify(&cleanup_list);
+ kfree(indr_dev);
}
-EXPORT_SYMBOL_GPL(__flow_indr_block_cb_unregister);
+EXPORT_SYMBOL(flow_indr_dev_unregister);
-void flow_indr_block_cb_unregister(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb,
- void *cb_ident)
+static void flow_block_indr_init(struct flow_block_cb *flow_block,
+ struct flow_block_offload *bo,
+ struct net_device *dev, void *data,
+ void (*cleanup)(struct flow_block_cb *block_cb))
{
- rtnl_lock();
- __flow_indr_block_cb_unregister(dev, cb, cb_ident);
- rtnl_unlock();
+ flow_block->indr.binder_type = bo->binder_type;
+ flow_block->indr.data = data;
+ flow_block->indr.dev = dev;
+ flow_block->indr.cleanup = cleanup;
}
-EXPORT_SYMBOL_GPL(flow_indr_block_cb_unregister);
-void flow_indr_block_call(struct net_device *dev,
- struct flow_block_offload *bo,
- enum flow_block_command command,
- enum tc_setup_type type)
+static void __flow_block_indr_binding(struct flow_block_offload *bo,
+ struct net_device *dev, void *data,
+ void (*cleanup)(struct flow_block_cb *block_cb))
{
- struct flow_indr_block_cb *indr_block_cb;
- struct flow_indr_block_dev *indr_dev;
-
- indr_dev = flow_indr_block_dev_lookup(dev);
- if (!indr_dev)
- return;
+ struct flow_block_cb *block_cb;
- list_for_each_entry(indr_block_cb, &indr_dev->cb_list, list)
- indr_block_cb->cb(dev, indr_block_cb->cb_priv, type, bo);
+ list_for_each_entry(block_cb, &bo->cb_list, list) {
+ switch (bo->command) {
+ case FLOW_BLOCK_BIND:
+ flow_block_indr_init(block_cb, bo, dev, data, cleanup);
+ list_add(&block_cb->indr.list, &flow_block_indr_list);
+ break;
+ case FLOW_BLOCK_UNBIND:
+ list_del(&block_cb->indr.list);
+ break;
+ }
+ }
}
-EXPORT_SYMBOL_GPL(flow_indr_block_call);
-void flow_indr_add_block_cb(struct flow_indr_block_entry *entry)
+int flow_indr_dev_setup_offload(struct net_device *dev,
+ enum tc_setup_type type, void *data,
+ struct flow_block_offload *bo,
+ void (*cleanup)(struct flow_block_cb *block_cb))
{
- mutex_lock(&flow_indr_block_cb_lock);
- list_add_tail(&entry->list, &block_cb_list);
- mutex_unlock(&flow_indr_block_cb_lock);
-}
-EXPORT_SYMBOL_GPL(flow_indr_add_block_cb);
+ struct flow_indr_dev *this;
-void flow_indr_del_block_cb(struct flow_indr_block_entry *entry)
-{
- mutex_lock(&flow_indr_block_cb_lock);
- list_del(&entry->list);
- mutex_unlock(&flow_indr_block_cb_lock);
-}
-EXPORT_SYMBOL_GPL(flow_indr_del_block_cb);
+ mutex_lock(&flow_indr_block_lock);
+ list_for_each_entry(this, &flow_block_indr_dev_list, list)
+ this->cb(dev, this->cb_priv, type, bo);
-static int __init init_flow_indr_rhashtable(void)
-{
- return rhashtable_init(&indr_setup_block_ht,
- &flow_indr_setup_block_ht_params);
+ __flow_block_indr_binding(bo, dev, data, cleanup);
+ mutex_unlock(&flow_indr_block_lock);
+
+ return list_empty(&bo->cb_list) ? -EOPNOTSUPP : 0;
}
-subsys_initcall(init_flow_indr_rhashtable);
+EXPORT_SYMBOL(flow_indr_dev_setup_offload);
diff --git a/net/core/gen_stats.c b/net/core/gen_stats.c
index 1d653fbfcf52..e491b083b348 100644
--- a/net/core/gen_stats.c
+++ b/net/core/gen_stats.c
@@ -6,7 +6,7 @@
* Jamal Hadi Salim
* Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
- * See Documentation/networking/gen_stats.txt
+ * See Documentation/networking/gen_stats.rst
*/
#include <linux/types.h>
diff --git a/net/core/link_watch.c b/net/core/link_watch.c
index f153e0601838..75431ca9300f 100644
--- a/net/core/link_watch.c
+++ b/net/core/link_watch.c
@@ -34,6 +34,9 @@ static DEFINE_SPINLOCK(lweventlist_lock);
static unsigned char default_operstate(const struct net_device *dev)
{
+ if (netif_testing(dev))
+ return IF_OPER_TESTING;
+
if (!netif_carrier_ok(dev))
return (dev->ifindex != dev_get_iflink(dev) ?
IF_OPER_LOWERLAYERDOWN : IF_OPER_DOWN);
@@ -55,11 +58,15 @@ static void rfc2863_policy(struct net_device *dev)
write_lock_bh(&dev_base_lock);
switch(dev->link_mode) {
+ case IF_LINK_MODE_TESTING:
+ if (operstate == IF_OPER_UP)
+ operstate = IF_OPER_TESTING;
+ break;
+
case IF_LINK_MODE_DORMANT:
if (operstate == IF_OPER_UP)
operstate = IF_OPER_DORMANT;
break;
-
case IF_LINK_MODE_DEFAULT:
default:
break;
@@ -74,7 +81,8 @@ static void rfc2863_policy(struct net_device *dev)
void linkwatch_init_dev(struct net_device *dev)
{
/* Handle pre-registration link state changes */
- if (!netif_carrier_ok(dev) || netif_dormant(dev))
+ if (!netif_carrier_ok(dev) || netif_dormant(dev) ||
+ netif_testing(dev))
rfc2863_policy(dev);
}
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 39d37d0ef575..ef6b5a8f629c 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1082,8 +1082,8 @@ static void neigh_timer_handler(struct timer_list *t)
}
if (neigh->nud_state & NUD_IN_TIMER) {
- if (time_before(next, jiffies + HZ/2))
- next = jiffies + HZ/2;
+ if (time_before(next, jiffies + HZ/100))
+ next = jiffies + HZ/100;
if (!mod_timer(&neigh->timer, next))
neigh_hold(neigh);
}
@@ -1771,6 +1771,7 @@ static struct neigh_table *neigh_find_table(int family)
}
const struct nla_policy nda_policy[NDA_MAX+1] = {
+ [NDA_UNSPEC] = { .strict_start_type = NDA_NH_ID },
[NDA_DST] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
[NDA_LLADDR] = { .type = NLA_BINARY, .len = MAX_ADDR_LEN },
[NDA_CACHEINFO] = { .len = sizeof(struct nda_cacheinfo) },
@@ -1781,6 +1782,7 @@ const struct nla_policy nda_policy[NDA_MAX+1] = {
[NDA_IFINDEX] = { .type = NLA_U32 },
[NDA_MASTER] = { .type = NLA_U32 },
[NDA_PROTOCOL] = { .type = NLA_U8 },
+ [NDA_NH_ID] = { .type = NLA_U32 },
};
static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh,
@@ -1956,6 +1958,9 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh,
NEIGH_UPDATE_F_OVERRIDE_ISROUTER);
}
+ if (protocol)
+ neigh->protocol = protocol;
+
if (ndm->ndm_flags & NTF_EXT_LEARNED)
flags |= NEIGH_UPDATE_F_EXT_LEARNED;
@@ -1969,9 +1974,6 @@ static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh,
err = __neigh_update(neigh, lladdr, ndm->ndm_state, flags,
NETLINK_CB(skb).portid, extack);
- if (protocol)
- neigh->protocol = protocol;
-
neigh_release(neigh);
out:
@@ -3379,7 +3381,7 @@ EXPORT_SYMBOL(neigh_app_ns);
static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN);
static int proc_unres_qlen(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int size, ret;
struct ctl_table tmp = *ctl;
@@ -3443,8 +3445,8 @@ static void neigh_proc_update(struct ctl_table *ctl, int write)
}
static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp,
+ loff_t *ppos)
{
struct ctl_table tmp = *ctl;
int ret;
@@ -3457,8 +3459,8 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write,
return ret;
}
-int neigh_proc_dointvec(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+int neigh_proc_dointvec(struct ctl_table *ctl, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
@@ -3467,8 +3469,7 @@ int neigh_proc_dointvec(struct ctl_table *ctl, int write,
}
EXPORT_SYMBOL(neigh_proc_dointvec);
-int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write,
- void __user *buffer,
+int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
int ret = proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos);
@@ -3479,8 +3480,8 @@ int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write,
EXPORT_SYMBOL(neigh_proc_dointvec_jiffies);
static int neigh_proc_dointvec_userhz_jiffies(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp,
+ loff_t *ppos)
{
int ret = proc_dointvec_userhz_jiffies(ctl, write, buffer, lenp, ppos);
@@ -3489,8 +3490,7 @@ static int neigh_proc_dointvec_userhz_jiffies(struct ctl_table *ctl, int write,
}
int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret = proc_dointvec_ms_jiffies(ctl, write, buffer, lenp, ppos);
@@ -3500,8 +3500,8 @@ int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write,
EXPORT_SYMBOL(neigh_proc_dointvec_ms_jiffies);
static int neigh_proc_dointvec_unres_qlen(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp,
+ loff_t *ppos)
{
int ret = proc_unres_qlen(ctl, write, buffer, lenp, ppos);
@@ -3510,8 +3510,8 @@ static int neigh_proc_dointvec_unres_qlen(struct ctl_table *ctl, int write,
}
static int neigh_proc_base_reachable_time(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp,
+ loff_t *ppos)
{
struct neigh_parms *p = ctl->extra2;
int ret;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 4773ad6ec111..e353b822bb15 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -243,6 +243,18 @@ static ssize_t duplex_show(struct device *dev,
}
static DEVICE_ATTR_RO(duplex);
+static ssize_t testing_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+
+ if (netif_running(netdev))
+ return sprintf(buf, fmt_dec, !!netif_testing(netdev));
+
+ return -EINVAL;
+}
+static DEVICE_ATTR_RO(testing);
+
static ssize_t dormant_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -260,7 +272,7 @@ static const char *const operstates[] = {
"notpresent", /* currently unused */
"down",
"lowerlayerdown",
- "testing", /* currently unused */
+ "testing",
"dormant",
"up"
};
@@ -355,7 +367,7 @@ NETDEVICE_SHOW_RW(tx_queue_len, fmt_dec);
static int change_gro_flush_timeout(struct net_device *dev, unsigned long val)
{
- dev->gro_flush_timeout = val;
+ WRITE_ONCE(dev->gro_flush_timeout, val);
return 0;
}
@@ -370,6 +382,23 @@ static ssize_t gro_flush_timeout_store(struct device *dev,
}
NETDEVICE_SHOW_RW(gro_flush_timeout, fmt_ulong);
+static int change_napi_defer_hard_irqs(struct net_device *dev, unsigned long val)
+{
+ WRITE_ONCE(dev->napi_defer_hard_irqs, val);
+ return 0;
+}
+
+static ssize_t napi_defer_hard_irqs_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ return netdev_store(dev, attr, buf, len, change_napi_defer_hard_irqs);
+}
+NETDEVICE_SHOW_RW(napi_defer_hard_irqs, fmt_dec);
+
static ssize_t ifalias_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t len)
{
@@ -524,6 +553,7 @@ static struct attribute *net_class_attrs[] __ro_after_init = {
&dev_attr_speed.attr,
&dev_attr_duplex.attr,
&dev_attr_dormant.attr,
+ &dev_attr_testing.attr,
&dev_attr_operstate.attr,
&dev_attr_carrier_changes.attr,
&dev_attr_ifalias.attr,
@@ -532,6 +562,7 @@ static struct attribute *net_class_attrs[] __ro_after_init = {
&dev_attr_flags.attr,
&dev_attr_tx_queue_len.attr,
&dev_attr_gro_flush_timeout.attr,
+ &dev_attr_napi_defer_hard_irqs.attr,
&dev_attr_phys_port_id.attr,
&dev_attr_phys_port_name.attr,
&dev_attr_phys_switch_id.attr,
@@ -1774,12 +1805,12 @@ static struct class net_class __ro_after_init = {
#ifdef CONFIG_OF_NET
static int of_dev_node_match(struct device *dev, const void *data)
{
- int ret = 0;
-
- if (dev->parent)
- ret = dev->parent->of_node == data;
+ for (; dev; dev = dev->parent) {
+ if (dev->of_node == data)
+ return 1;
+ }
- return ret == 0 ? dev->of_node == data : ret;
+ return 0;
}
/*
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 190ca66a383b..dcd61aca343e 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -1353,12 +1353,13 @@ static void netns_put(struct ns_common *ns)
put_net(to_net_ns(ns));
}
-static int netns_install(struct nsproxy *nsproxy, struct ns_common *ns)
+static int netns_install(struct nsset *nsset, struct ns_common *ns)
{
+ struct nsproxy *nsproxy = nsset->nsproxy;
struct net *net = to_net_ns(ns);
if (!ns_capable(net->user_ns, CAP_SYS_ADMIN) ||
- !ns_capable(current_user_ns(), CAP_SYS_ADMIN))
+ !ns_capable(nsset->cred->user_ns, CAP_SYS_ADMIN))
return -EPERM;
put_net(nsproxy->net_ns);
diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c
index b4c87fe31be2..41b24cd31562 100644
--- a/net/core/netclassid_cgroup.c
+++ b/net/core/netclassid_cgroup.c
@@ -127,10 +127,8 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft,
cs->classid = (u32)value;
css_task_iter_start(css, 0, &it);
- while ((p = css_task_iter_next(&it))) {
+ while ((p = css_task_iter_next(&it)))
update_classid_task(p, cs->classid);
- cond_resched();
- }
css_task_iter_end(&it);
return 0;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 849380a622ef..093e90e52bc2 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -69,10 +69,11 @@ module_param(carrier_timeout, uint, 0644);
#define np_notice(np, fmt, ...) \
pr_notice("%s: " fmt, np->name, ##__VA_ARGS__)
-static int netpoll_start_xmit(struct sk_buff *skb, struct net_device *dev,
- struct netdev_queue *txq)
+static netdev_tx_t netpoll_start_xmit(struct sk_buff *skb,
+ struct net_device *dev,
+ struct netdev_queue *txq)
{
- int status = NETDEV_TX_OK;
+ netdev_tx_t status = NETDEV_TX_OK;
netdev_features_t features;
features = netif_skb_features(skb);
@@ -304,20 +305,22 @@ static int netpoll_owner_active(struct net_device *dev)
}
/* call with IRQ disabled */
-void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
- struct net_device *dev)
+static netdev_tx_t __netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
{
- int status = NETDEV_TX_BUSY;
+ netdev_tx_t status = NETDEV_TX_BUSY;
+ struct net_device *dev;
unsigned long tries;
/* It is up to the caller to keep npinfo alive. */
struct netpoll_info *npinfo;
lockdep_assert_irqs_disabled();
- npinfo = rcu_dereference_bh(np->dev->npinfo);
+ dev = np->dev;
+ npinfo = rcu_dereference_bh(dev->npinfo);
+
if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
dev_kfree_skb_irq(skb);
- return;
+ return NET_XMIT_DROP;
}
/* don't get messages out of order, and no recursion */
@@ -356,8 +359,25 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
skb_queue_tail(&npinfo->txq, skb);
schedule_delayed_work(&npinfo->tx_work,0);
}
+ return NETDEV_TX_OK;
+}
+
+netdev_tx_t netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
+{
+ unsigned long flags;
+ netdev_tx_t ret;
+
+ if (unlikely(!np)) {
+ dev_kfree_skb_irq(skb);
+ ret = NET_XMIT_DROP;
+ } else {
+ local_irq_save(flags);
+ ret = __netpoll_send_skb(np, skb);
+ local_irq_restore(flags);
+ }
+ return ret;
}
-EXPORT_SYMBOL(netpoll_send_skb_on_dev);
+EXPORT_SYMBOL(netpoll_send_skb);
void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
{
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 8881dd943dd0..9bd4cab7d510 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -236,6 +236,8 @@ static void net_prio_attach(struct cgroup_taskset *tset)
struct task_struct *p;
struct cgroup_subsys_state *css;
+ cgroup_sk_alloc_disable();
+
cgroup_taskset_for_each(p, css, tset) {
void *v = (void *)(unsigned long)css->id;
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 08e2811b5274..b53b6d38c4df 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -56,7 +56,7 @@
* Integrated to 2.5.x 021029 --Lucio Maciel (luciomaciel@zipmail.com.br)
*
* 021124 Finished major redesign and rewrite for new functionality.
- * See Documentation/networking/pktgen.txt for how to use this.
+ * See Documentation/networking/pktgen.rst for how to use this.
*
* The new operation:
* For each CPU one thread/process is created at start. This process checks
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 709ebbf8ab5b..2269199c5891 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -829,11 +829,18 @@ static void set_operstate(struct net_device *dev, unsigned char transition)
switch (transition) {
case IF_OPER_UP:
if ((operstate == IF_OPER_DORMANT ||
+ operstate == IF_OPER_TESTING ||
operstate == IF_OPER_UNKNOWN) &&
- !netif_dormant(dev))
+ !netif_dormant(dev) && !netif_testing(dev))
operstate = IF_OPER_UP;
break;
+ case IF_OPER_TESTING:
+ if (operstate == IF_OPER_UP ||
+ operstate == IF_OPER_UNKNOWN)
+ operstate = IF_OPER_TESTING;
+ break;
+
case IF_OPER_DORMANT:
if (operstate == IF_OPER_UP ||
operstate == IF_OPER_UNKNOWN)
@@ -3990,8 +3997,8 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
struct ndmsg *ndm;
struct nlattr *tb[NDA_MAX+1];
struct net_device *dev;
- int err = -EINVAL;
__u8 *addr;
+ int err;
u16 vid;
if (!netlink_capable(skb, CAP_NET_ADMIN))
diff --git a/net/core/scm.c b/net/core/scm.c
index dc6fed1f221c..875df1c2989d 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -212,16 +212,12 @@ EXPORT_SYMBOL(__scm_send);
int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
{
- struct cmsghdr __user *cm
- = (__force struct cmsghdr __user *)msg->msg_control;
- struct cmsghdr cmhdr;
int cmlen = CMSG_LEN(len);
- int err;
- if (MSG_CMSG_COMPAT & msg->msg_flags)
+ if (msg->msg_flags & MSG_CMSG_COMPAT)
return put_cmsg_compat(msg, level, type, len, data);
- if (cm==NULL || msg->msg_controllen < sizeof(*cm)) {
+ if (!msg->msg_control || msg->msg_controllen < sizeof(struct cmsghdr)) {
msg->msg_flags |= MSG_CTRUNC;
return 0; /* XXX: return error? check spec. */
}
@@ -229,23 +225,30 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data)
msg->msg_flags |= MSG_CTRUNC;
cmlen = msg->msg_controllen;
}
- cmhdr.cmsg_level = level;
- cmhdr.cmsg_type = type;
- cmhdr.cmsg_len = cmlen;
-
- err = -EFAULT;
- if (copy_to_user(cm, &cmhdr, sizeof cmhdr))
- goto out;
- if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr)))
- goto out;
- cmlen = CMSG_SPACE(len);
- if (msg->msg_controllen < cmlen)
- cmlen = msg->msg_controllen;
+
+ if (msg->msg_control_is_user) {
+ struct cmsghdr __user *cm = msg->msg_control_user;
+ struct cmsghdr cmhdr;
+
+ cmhdr.cmsg_level = level;
+ cmhdr.cmsg_type = type;
+ cmhdr.cmsg_len = cmlen;
+ if (copy_to_user(cm, &cmhdr, sizeof cmhdr) ||
+ copy_to_user(CMSG_USER_DATA(cm), data, cmlen - sizeof(*cm)))
+ return -EFAULT;
+ } else {
+ struct cmsghdr *cm = msg->msg_control;
+
+ cm->cmsg_level = level;
+ cm->cmsg_type = type;
+ cm->cmsg_len = cmlen;
+ memcpy(CMSG_DATA(cm), data, cmlen - sizeof(*cm));
+ }
+
+ cmlen = min(CMSG_SPACE(len), msg->msg_controllen);
msg->msg_control += cmlen;
msg->msg_controllen -= cmlen;
- err = 0;
-out:
- return err;
+ return 0;
}
EXPORT_SYMBOL(put_cmsg);
@@ -277,78 +280,90 @@ void put_cmsg_scm_timestamping(struct msghdr *msg, struct scm_timestamping_inter
}
EXPORT_SYMBOL(put_cmsg_scm_timestamping);
+static int __scm_install_fd(struct file *file, int __user *ufd, int o_flags)
+{
+ struct socket *sock;
+ int new_fd;
+ int error;
+
+ error = security_file_receive(file);
+ if (error)
+ return error;
+
+ new_fd = get_unused_fd_flags(o_flags);
+ if (new_fd < 0)
+ return new_fd;
+
+ error = put_user(new_fd, ufd);
+ if (error) {
+ put_unused_fd(new_fd);
+ return error;
+ }
+
+ /* Bump the usage count and install the file. */
+ sock = sock_from_file(file, &error);
+ if (sock) {
+ sock_update_netprioidx(&sock->sk->sk_cgrp_data);
+ sock_update_classid(&sock->sk->sk_cgrp_data);
+ }
+ fd_install(new_fd, get_file(file));
+ return 0;
+}
+
+static int scm_max_fds(struct msghdr *msg)
+{
+ if (msg->msg_controllen <= sizeof(struct cmsghdr))
+ return 0;
+ return (msg->msg_controllen - sizeof(struct cmsghdr)) / sizeof(int);
+}
+
void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm)
{
struct cmsghdr __user *cm
= (__force struct cmsghdr __user*)msg->msg_control;
-
- int fdmax = 0;
- int fdnum = scm->fp->count;
- struct file **fp = scm->fp->fp;
- int __user *cmfptr;
+ int o_flags = (msg->msg_flags & MSG_CMSG_CLOEXEC) ? O_CLOEXEC : 0;
+ int fdmax = min_t(int, scm_max_fds(msg), scm->fp->count);
+ int __user *cmsg_data = CMSG_USER_DATA(cm);
int err = 0, i;
- if (MSG_CMSG_COMPAT & msg->msg_flags) {
+ if (msg->msg_flags & MSG_CMSG_COMPAT) {
scm_detach_fds_compat(msg, scm);
return;
}
- if (msg->msg_controllen > sizeof(struct cmsghdr))
- fdmax = ((msg->msg_controllen - sizeof(struct cmsghdr))
- / sizeof(int));
-
- if (fdnum < fdmax)
- fdmax = fdnum;
+ /* no use for FD passing from kernel space callers */
+ if (WARN_ON_ONCE(!msg->msg_control_is_user))
+ return;
- for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax;
- i++, cmfptr++)
- {
- struct socket *sock;
- int new_fd;
- err = security_file_receive(fp[i]);
+ for (i = 0; i < fdmax; i++) {
+ err = __scm_install_fd(scm->fp->fp[i], cmsg_data + i, o_flags);
if (err)
break;
- err = get_unused_fd_flags(MSG_CMSG_CLOEXEC & msg->msg_flags
- ? O_CLOEXEC : 0);
- if (err < 0)
- break;
- new_fd = err;
- err = put_user(new_fd, cmfptr);
- if (err) {
- put_unused_fd(new_fd);
- break;
- }
- /* Bump the usage count and install the file. */
- sock = sock_from_file(fp[i], &err);
- if (sock) {
- sock_update_netprioidx(&sock->sk->sk_cgrp_data);
- sock_update_classid(&sock->sk->sk_cgrp_data);
- }
- fd_install(new_fd, get_file(fp[i]));
}
- if (i > 0)
- {
- int cmlen = CMSG_LEN(i*sizeof(int));
+ if (i > 0) {
+ int cmlen = CMSG_LEN(i * sizeof(int));
+
err = put_user(SOL_SOCKET, &cm->cmsg_level);
if (!err)
err = put_user(SCM_RIGHTS, &cm->cmsg_type);
if (!err)
err = put_user(cmlen, &cm->cmsg_len);
if (!err) {
- cmlen = CMSG_SPACE(i*sizeof(int));
+ cmlen = CMSG_SPACE(i * sizeof(int));
if (msg->msg_controllen < cmlen)
cmlen = msg->msg_controllen;
msg->msg_control += cmlen;
msg->msg_controllen -= cmlen;
}
}
- if (i < fdnum || (fdnum && fdmax <= 0))
+
+ if (i < scm->fp->count || (scm->fp->count && fdmax <= 0))
msg->msg_flags |= MSG_CTRUNC;
/*
- * All of the files that fit in the message have had their
- * usage counts incremented, so we just free the list.
+ * All of the files that fit in the message have had their usage counts
+ * incremented, so we just free the list.
*/
__scm_destroy(scm);
}
diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c
index 7b6b1d2c3d10..b5bc680d4755 100644
--- a/net/core/secure_seq.c
+++ b/net/core/secure_seq.c
@@ -5,7 +5,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/cryptohash.h>
#include <linux/module.h>
#include <linux/cache.h>
#include <linux/random.h>
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 7e29590482ce..b8afefe6f6b6 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -102,7 +102,7 @@ EXPORT_SYMBOL(sysctl_max_skb_frags);
static void skb_panic(struct sk_buff *skb, unsigned int sz, void *addr,
const char msg[])
{
- pr_emerg("%s: text:%p len:%d put:%d head:%p data:%p tail:%#lx end:%#lx dev:%s\n",
+ pr_emerg("%s: text:%px len:%d put:%d head:%px data:%px tail:%#lx end:%#lx dev:%s\n",
msg, addr, skb->len, sz, skb->head, skb->data,
(unsigned long)skb->tail, (unsigned long)skb->end,
skb->dev ? skb->dev->name : "<NULL>");
@@ -3727,7 +3727,6 @@ int skb_gro_receive_list(struct sk_buff *p, struct sk_buff *skb)
return 0;
}
-EXPORT_SYMBOL_GPL(skb_gro_receive_list);
/**
* skb_segment - Perform protocol segmentation on skb.
@@ -4191,7 +4190,6 @@ done:
NAPI_GRO_CB(skb)->same_flow = 1;
return 0;
}
-EXPORT_SYMBOL_GPL(skb_gro_receive);
#ifdef CONFIG_SKB_EXTENSIONS
#define SKB_EXT_ALIGN_VALUE 8
@@ -6087,13 +6085,15 @@ static void *skb_ext_get_ptr(struct skb_ext *ext, enum skb_ext_id id)
/**
* __skb_ext_alloc - allocate a new skb extensions storage
*
+ * @flags: See kmalloc().
+ *
* Returns the newly allocated pointer. The pointer can later attached to a
* skb via __skb_ext_set().
* Note: caller must handle the skb_ext as an opaque data.
*/
-struct skb_ext *__skb_ext_alloc(void)
+struct skb_ext *__skb_ext_alloc(gfp_t flags)
{
- struct skb_ext *new = kmem_cache_alloc(skbuff_ext_cache, GFP_ATOMIC);
+ struct skb_ext *new = kmem_cache_alloc(skbuff_ext_cache, flags);
if (new) {
memset(new->offset, 0, sizeof(new->offset));
@@ -6188,7 +6188,7 @@ void *skb_ext_add(struct sk_buff *skb, enum skb_ext_id id)
} else {
newoff = SKB_EXT_CHUNKSIZEOF(*new);
- new = __skb_ext_alloc();
+ new = __skb_ext_alloc(GFP_ATOMIC);
if (!new)
return NULL;
}
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index c479372f2cd2..351afbf6bfba 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -7,6 +7,7 @@
#include <net/sock.h>
#include <net/tcp.h>
+#include <net/tls.h>
static bool sk_msg_try_coalesce_ok(struct sk_msg *msg, int elem_first_coalesce)
{
@@ -682,13 +683,75 @@ static struct sk_psock *sk_psock_from_strp(struct strparser *strp)
return container_of(parser, struct sk_psock, parser);
}
-static void sk_psock_verdict_apply(struct sk_psock *psock,
- struct sk_buff *skb, int verdict)
+static void sk_psock_skb_redirect(struct sk_psock *psock, struct sk_buff *skb)
{
struct sk_psock *psock_other;
struct sock *sk_other;
bool ingress;
+ sk_other = tcp_skb_bpf_redirect_fetch(skb);
+ if (unlikely(!sk_other)) {
+ kfree_skb(skb);
+ return;
+ }
+ psock_other = sk_psock(sk_other);
+ if (!psock_other || sock_flag(sk_other, SOCK_DEAD) ||
+ !sk_psock_test_state(psock_other, SK_PSOCK_TX_ENABLED)) {
+ kfree_skb(skb);
+ return;
+ }
+
+ ingress = tcp_skb_bpf_ingress(skb);
+ if ((!ingress && sock_writeable(sk_other)) ||
+ (ingress &&
+ atomic_read(&sk_other->sk_rmem_alloc) <=
+ sk_other->sk_rcvbuf)) {
+ if (!ingress)
+ skb_set_owner_w(skb, sk_other);
+ skb_queue_tail(&psock_other->ingress_skb, skb);
+ schedule_work(&psock_other->work);
+ } else {
+ kfree_skb(skb);
+ }
+}
+
+static void sk_psock_tls_verdict_apply(struct sk_psock *psock,
+ struct sk_buff *skb, int verdict)
+{
+ switch (verdict) {
+ case __SK_REDIRECT:
+ sk_psock_skb_redirect(psock, skb);
+ break;
+ case __SK_PASS:
+ case __SK_DROP:
+ default:
+ break;
+ }
+}
+
+int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb)
+{
+ struct bpf_prog *prog;
+ int ret = __SK_PASS;
+
+ rcu_read_lock();
+ prog = READ_ONCE(psock->progs.skb_verdict);
+ if (likely(prog)) {
+ tcp_skb_bpf_redirect_clear(skb);
+ ret = sk_psock_bpf_run(psock, prog, skb);
+ ret = sk_psock_map_verd(ret, tcp_skb_bpf_redirect_fetch(skb));
+ }
+ rcu_read_unlock();
+ sk_psock_tls_verdict_apply(psock, skb, ret);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(sk_psock_tls_strp_read);
+
+static void sk_psock_verdict_apply(struct sk_psock *psock,
+ struct sk_buff *skb, int verdict)
+{
+ struct sock *sk_other;
+
switch (verdict) {
case __SK_PASS:
sk_other = psock->sk;
@@ -707,25 +770,8 @@ static void sk_psock_verdict_apply(struct sk_psock *psock,
}
goto out_free;
case __SK_REDIRECT:
- sk_other = tcp_skb_bpf_redirect_fetch(skb);
- if (unlikely(!sk_other))
- goto out_free;
- psock_other = sk_psock(sk_other);
- if (!psock_other || sock_flag(sk_other, SOCK_DEAD) ||
- !sk_psock_test_state(psock_other, SK_PSOCK_TX_ENABLED))
- goto out_free;
- ingress = tcp_skb_bpf_ingress(skb);
- if ((!ingress && sock_writeable(sk_other)) ||
- (ingress &&
- atomic_read(&sk_other->sk_rmem_alloc) <=
- sk_other->sk_rcvbuf)) {
- if (!ingress)
- skb_set_owner_w(skb, sk_other);
- skb_queue_tail(&psock_other->ingress_skb, skb);
- schedule_work(&psock_other->work);
- break;
- }
- /* fall-through */
+ sk_psock_skb_redirect(psock, skb);
+ break;
case __SK_DROP:
/* fall-through */
default:
@@ -779,9 +825,13 @@ static void sk_psock_strp_data_ready(struct sock *sk)
rcu_read_lock();
psock = sk_psock(sk);
if (likely(psock)) {
- write_lock_bh(&sk->sk_callback_lock);
- strp_data_ready(&psock->parser.strp);
- write_unlock_bh(&sk->sk_callback_lock);
+ if (tls_sw_has_ctx_rx(sk)) {
+ psock->parser.saved_data_ready(sk);
+ } else {
+ write_lock_bh(&sk->sk_callback_lock);
+ strp_data_ready(&psock->parser.strp);
+ write_unlock_bh(&sk->sk_callback_lock);
+ }
}
rcu_read_unlock();
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 90509c37d291..6c4acf1f0220 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -566,7 +566,7 @@ struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie)
}
EXPORT_SYMBOL(sk_dst_check);
-static int sock_setbindtodevice_locked(struct sock *sk, int ifindex)
+static int sock_bindtoindex_locked(struct sock *sk, int ifindex)
{
int ret = -ENOPROTOOPT;
#ifdef CONFIG_NETDEVICES
@@ -594,6 +594,20 @@ out:
return ret;
}
+int sock_bindtoindex(struct sock *sk, int ifindex, bool lock_sk)
+{
+ int ret;
+
+ if (lock_sk)
+ lock_sock(sk);
+ ret = sock_bindtoindex_locked(sk, ifindex);
+ if (lock_sk)
+ release_sock(sk);
+
+ return ret;
+}
+EXPORT_SYMBOL(sock_bindtoindex);
+
static int sock_setbindtodevice(struct sock *sk, char __user *optval,
int optlen)
{
@@ -634,10 +648,7 @@ static int sock_setbindtodevice(struct sock *sk, char __user *optval,
goto out;
}
- lock_sock(sk);
- ret = sock_setbindtodevice_locked(sk, index);
- release_sock(sk);
-
+ return sock_bindtoindex(sk, index, true);
out:
#endif
@@ -712,6 +723,111 @@ bool sk_mc_loop(struct sock *sk)
}
EXPORT_SYMBOL(sk_mc_loop);
+void sock_set_reuseaddr(struct sock *sk)
+{
+ lock_sock(sk);
+ sk->sk_reuse = SK_CAN_REUSE;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_reuseaddr);
+
+void sock_set_reuseport(struct sock *sk)
+{
+ lock_sock(sk);
+ sk->sk_reuseport = true;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_reuseport);
+
+void sock_no_linger(struct sock *sk)
+{
+ lock_sock(sk);
+ sk->sk_lingertime = 0;
+ sock_set_flag(sk, SOCK_LINGER);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_no_linger);
+
+void sock_set_priority(struct sock *sk, u32 priority)
+{
+ lock_sock(sk);
+ sk->sk_priority = priority;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_priority);
+
+void sock_set_sndtimeo(struct sock *sk, s64 secs)
+{
+ lock_sock(sk);
+ if (secs && secs < MAX_SCHEDULE_TIMEOUT / HZ - 1)
+ sk->sk_sndtimeo = secs * HZ;
+ else
+ sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_sndtimeo);
+
+static void __sock_set_timestamps(struct sock *sk, bool val, bool new, bool ns)
+{
+ if (val) {
+ sock_valbool_flag(sk, SOCK_TSTAMP_NEW, new);
+ sock_valbool_flag(sk, SOCK_RCVTSTAMPNS, ns);
+ sock_set_flag(sk, SOCK_RCVTSTAMP);
+ sock_enable_timestamp(sk, SOCK_TIMESTAMP);
+ } else {
+ sock_reset_flag(sk, SOCK_RCVTSTAMP);
+ sock_reset_flag(sk, SOCK_RCVTSTAMPNS);
+ sock_reset_flag(sk, SOCK_TSTAMP_NEW);
+ }
+}
+
+void sock_enable_timestamps(struct sock *sk)
+{
+ lock_sock(sk);
+ __sock_set_timestamps(sk, true, false, true);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_enable_timestamps);
+
+void sock_set_keepalive(struct sock *sk)
+{
+ lock_sock(sk);
+ if (sk->sk_prot->keepalive)
+ sk->sk_prot->keepalive(sk, true);
+ sock_valbool_flag(sk, SOCK_KEEPOPEN, true);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_keepalive);
+
+static void __sock_set_rcvbuf(struct sock *sk, int val)
+{
+ /* Ensure val * 2 fits into an int, to prevent max_t() from treating it
+ * as a negative value.
+ */
+ val = min_t(int, val, INT_MAX / 2);
+ sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
+
+ /* We double it on the way in to account for "struct sk_buff" etc.
+ * overhead. Applications assume that the SO_RCVBUF setting they make
+ * will allow that much actual data to be received on that socket.
+ *
+ * Applications are unaware that "struct sk_buff" and other overheads
+ * allocate from the receive buffer during socket buffer allocation.
+ *
+ * And after considering the possible alternatives, returning the value
+ * we actually used in getsockopt is the most desirable behavior.
+ */
+ WRITE_ONCE(sk->sk_rcvbuf, max_t(int, val * 2, SOCK_MIN_RCVBUF));
+}
+
+void sock_set_rcvbuf(struct sock *sk, int val)
+{
+ lock_sock(sk);
+ __sock_set_rcvbuf(sk, val);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_rcvbuf);
+
/*
* This is meant for all protocols to use and covers goings on
* at the socket level. Everything here is generic.
@@ -808,30 +924,7 @@ set_sndbuf:
* play 'guess the biggest size' games. RCVBUF/SNDBUF
* are treated in BSD as hints
*/
- val = min_t(u32, val, sysctl_rmem_max);
-set_rcvbuf:
- /* Ensure val * 2 fits into an int, to prevent max_t()
- * from treating it as a negative value.
- */
- val = min_t(int, val, INT_MAX / 2);
- sk->sk_userlocks |= SOCK_RCVBUF_LOCK;
- /*
- * We double it on the way in to account for
- * "struct sk_buff" etc. overhead. Applications
- * assume that the SO_RCVBUF setting they make will
- * allow that much actual data to be received on that
- * socket.
- *
- * Applications are unaware that "struct sk_buff" and
- * other overheads allocate from the receive buffer
- * during socket buffer allocation.
- *
- * And after considering the possible alternatives,
- * returning the value we actually used in getsockopt
- * is the most desirable behavior.
- */
- WRITE_ONCE(sk->sk_rcvbuf,
- max_t(int, val * 2, SOCK_MIN_RCVBUF));
+ __sock_set_rcvbuf(sk, min_t(u32, val, sysctl_rmem_max));
break;
case SO_RCVBUFFORCE:
@@ -843,9 +936,8 @@ set_rcvbuf:
/* No negative values (to prevent underflow, as val will be
* multiplied by 2).
*/
- if (val < 0)
- val = 0;
- goto set_rcvbuf;
+ __sock_set_rcvbuf(sk, max(val, 0));
+ break;
case SO_KEEPALIVE:
if (sk->sk_prot->keepalive)
@@ -903,28 +995,17 @@ set_rcvbuf:
break;
case SO_TIMESTAMP_OLD:
+ __sock_set_timestamps(sk, valbool, false, false);
+ break;
case SO_TIMESTAMP_NEW:
+ __sock_set_timestamps(sk, valbool, true, false);
+ break;
case SO_TIMESTAMPNS_OLD:
+ __sock_set_timestamps(sk, valbool, false, true);
+ break;
case SO_TIMESTAMPNS_NEW:
- if (valbool) {
- if (optname == SO_TIMESTAMP_NEW || optname == SO_TIMESTAMPNS_NEW)
- sock_set_flag(sk, SOCK_TSTAMP_NEW);
- else
- sock_reset_flag(sk, SOCK_TSTAMP_NEW);
-
- if (optname == SO_TIMESTAMP_OLD || optname == SO_TIMESTAMP_NEW)
- sock_reset_flag(sk, SOCK_RCVTSTAMPNS);
- else
- sock_set_flag(sk, SOCK_RCVTSTAMPNS);
- sock_set_flag(sk, SOCK_RCVTSTAMP);
- sock_enable_timestamp(sk, SOCK_TIMESTAMP);
- } else {
- sock_reset_flag(sk, SOCK_RCVTSTAMP);
- sock_reset_flag(sk, SOCK_RCVTSTAMPNS);
- sock_reset_flag(sk, SOCK_TSTAMP_NEW);
- }
+ __sock_set_timestamps(sk, valbool, true, true);
break;
-
case SO_TIMESTAMPING_NEW:
sock_set_flag(sk, SOCK_TSTAMP_NEW);
/* fall through */
@@ -1152,27 +1233,35 @@ set_rcvbuf:
break;
case SO_TXTIME:
- if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) {
- ret = -EPERM;
- } else if (optlen != sizeof(struct sock_txtime)) {
+ if (optlen != sizeof(struct sock_txtime)) {
ret = -EINVAL;
+ break;
} else if (copy_from_user(&sk_txtime, optval,
sizeof(struct sock_txtime))) {
ret = -EFAULT;
+ break;
} else if (sk_txtime.flags & ~SOF_TXTIME_FLAGS_MASK) {
ret = -EINVAL;
- } else {
- sock_valbool_flag(sk, SOCK_TXTIME, true);
- sk->sk_clockid = sk_txtime.clockid;
- sk->sk_txtime_deadline_mode =
- !!(sk_txtime.flags & SOF_TXTIME_DEADLINE_MODE);
- sk->sk_txtime_report_errors =
- !!(sk_txtime.flags & SOF_TXTIME_REPORT_ERRORS);
+ break;
+ }
+ /* CLOCK_MONOTONIC is only used by sch_fq, and this packet
+ * scheduler has enough safe guards.
+ */
+ if (sk_txtime.clockid != CLOCK_MONOTONIC &&
+ !ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN)) {
+ ret = -EPERM;
+ break;
}
+ sock_valbool_flag(sk, SOCK_TXTIME, true);
+ sk->sk_clockid = sk_txtime.clockid;
+ sk->sk_txtime_deadline_mode =
+ !!(sk_txtime.flags & SOF_TXTIME_DEADLINE_MODE);
+ sk->sk_txtime_report_errors =
+ !!(sk_txtime.flags & SOF_TXTIME_REPORT_ERRORS);
break;
case SO_BINDTOIFINDEX:
- ret = sock_setbindtodevice_locked(sk, val);
+ ret = sock_bindtoindex_locked(sk, val);
break;
default:
@@ -2364,7 +2453,6 @@ static void sk_leave_memory_pressure(struct sock *sk)
}
}
-/* On 32bit arches, an skb frag is limited to 2^15 */
#define SKB_FRAG_PAGE_ORDER get_order(32768)
DEFINE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key);
@@ -3626,3 +3714,11 @@ bool sk_busy_loop_end(void *p, unsigned long start_time)
}
EXPORT_SYMBOL(sk_busy_loop_end);
#endif /* CONFIG_NET_RX_BUSY_POLL */
+
+int sock_bind_add(struct sock *sk, struct sockaddr *addr, int addr_len)
+{
+ if (!sk->sk_prot->bind_add)
+ return -EOPNOTSUPP;
+ return sk->sk_prot->bind_add(sk, addr, addr_len);
+}
+EXPORT_SYMBOL(sock_bind_add);
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index b08dfae10f88..00a26cf2cfe9 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -343,7 +343,14 @@ static struct sock *__sock_map_lookup_elem(struct bpf_map *map, u32 key)
static void *sock_map_lookup(struct bpf_map *map, void *key)
{
- return __sock_map_lookup_elem(map, *(u32 *)key);
+ struct sock *sk;
+
+ sk = __sock_map_lookup_elem(map, *(u32 *)key);
+ if (!sk || !sk_fullsock(sk))
+ return NULL;
+ if (sk_is_refcounted(sk) && !refcount_inc_not_zero(&sk->sk_refcnt))
+ return NULL;
+ return sk;
}
static void *sock_map_lookup_sys(struct bpf_map *map, void *key)
@@ -1051,7 +1058,14 @@ static void *sock_hash_lookup_sys(struct bpf_map *map, void *key)
static void *sock_hash_lookup(struct bpf_map *map, void *key)
{
- return __sock_hash_lookup_elem(map, key);
+ struct sock *sk;
+
+ sk = __sock_hash_lookup_elem(map, key);
+ if (!sk || !sk_fullsock(sk))
+ return NULL;
+ if (sk_is_refcounted(sk) && !refcount_inc_not_zero(&sk->sk_refcnt))
+ return NULL;
+ return sk;
}
static void sock_hash_release_progs(struct bpf_map *map)
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index 9f9e00ba3ad7..b109cc8a6dd8 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -23,6 +23,7 @@
#include <net/pkt_sched.h>
static int two __maybe_unused = 2;
+static int three = 3;
static int min_sndbuf = SOCK_MIN_SNDBUF;
static int min_rcvbuf = SOCK_MIN_RCVBUF;
static int max_skb_frags = MAX_SKB_FRAGS;
@@ -39,13 +40,14 @@ EXPORT_SYMBOL(sysctl_fb_tunnels_only_for_init_net);
* IPv6: reset all settings to default
* 1 - Both inherit all current settings from init_net
* 2 - Both reset all settings to default
+ * 3 - Both inherit all settings from current netns
*/
int sysctl_devconf_inherit_init_net __read_mostly;
EXPORT_SYMBOL(sysctl_devconf_inherit_init_net);
#ifdef CONFIG_RPS
static int rps_sock_flow_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
unsigned int orig_size, size;
int ret, i;
@@ -115,8 +117,7 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write,
static DEFINE_MUTEX(flow_limit_update_mutex);
static int flow_limit_cpu_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct sd_flow_limit *cur;
struct softnet_data *sd;
@@ -180,10 +181,7 @@ write_unlock:
}
if (len < *lenp)
kbuf[len++] = '\n';
- if (copy_to_user(buffer, kbuf, len)) {
- ret = -EFAULT;
- goto done;
- }
+ memcpy(buffer, kbuf, len);
*lenp = len;
*ppos += len;
}
@@ -194,8 +192,7 @@ done:
}
static int flow_limit_table_len_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
unsigned int old, *ptr;
int ret;
@@ -217,7 +214,7 @@ static int flow_limit_table_len_sysctl(struct ctl_table *table, int write,
#ifdef CONFIG_NET_SCHED
static int set_default_qdisc(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char id[IFNAMSIZ];
struct ctl_table tbl = {
@@ -236,7 +233,7 @@ static int set_default_qdisc(struct ctl_table *table, int write,
#endif
static int proc_do_dev_weight(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
@@ -251,7 +248,7 @@ static int proc_do_dev_weight(struct ctl_table *table, int write,
}
static int proc_do_rss_key(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table fake_table;
char buf[NETDEV_RSS_KEY_LEN * 3];
@@ -264,7 +261,7 @@ static int proc_do_rss_key(struct ctl_table *table, int write,
#ifdef CONFIG_BPF_JIT
static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int ret, jit_enable = *(int *)table->data;
@@ -291,8 +288,7 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
# ifdef CONFIG_HAVE_EBPF_JIT
static int
proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -303,8 +299,7 @@ proc_dointvec_minmax_bpf_restricted(struct ctl_table *table, int write,
static int
proc_dolongvec_minmax_bpf_restricted(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
@@ -560,7 +555,7 @@ static struct ctl_table net_core_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
- .extra2 = &two,
+ .extra2 = &three,
},
{
.procname = "high_order_alloc_disable",
diff --git a/net/core/xdp.c b/net/core/xdp.c
index 4c7ea85486af..90f44f382115 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -11,11 +11,13 @@
#include <linux/slab.h>
#include <linux/idr.h>
#include <linux/rhashtable.h>
+#include <linux/bug.h>
#include <net/page_pool.h>
#include <net/xdp.h>
#include <net/xdp_priv.h> /* struct xdp_mem_allocator */
#include <trace/events/xdp.h>
+#include <net/xdp_sock_drv.h>
#define REG_STATE_NEW 0x0
#define REG_STATE_REGISTERED 0x1
@@ -108,27 +110,6 @@ static void mem_allocator_disconnect(void *allocator)
mutex_unlock(&mem_id_lock);
}
-static void mem_id_disconnect(int id)
-{
- struct xdp_mem_allocator *xa;
-
- mutex_lock(&mem_id_lock);
-
- xa = rhashtable_lookup_fast(mem_id_ht, &id, mem_id_rht_params);
- if (!xa) {
- mutex_unlock(&mem_id_lock);
- WARN(1, "Request remove non-existing id(%d), driver bug?", id);
- return;
- }
-
- trace_mem_disconnect(xa);
-
- if (!rhashtable_remove_fast(mem_id_ht, &xa->node, mem_id_rht_params))
- call_rcu(&xa->rcu, __xdp_mem_allocator_rcu_free);
-
- mutex_unlock(&mem_id_lock);
-}
-
void xdp_rxq_info_unreg_mem_model(struct xdp_rxq_info *xdp_rxq)
{
struct xdp_mem_allocator *xa;
@@ -142,9 +123,6 @@ void xdp_rxq_info_unreg_mem_model(struct xdp_rxq_info *xdp_rxq)
if (id == 0)
return;
- if (xdp_rxq->mem.type == MEM_TYPE_ZERO_COPY)
- return mem_id_disconnect(id);
-
if (xdp_rxq->mem.type == MEM_TYPE_PAGE_POOL) {
rcu_read_lock();
xa = rhashtable_lookup(mem_id_ht, &id, mem_id_rht_params);
@@ -300,7 +278,7 @@ int xdp_rxq_info_reg_mem_model(struct xdp_rxq_info *xdp_rxq,
xdp_rxq->mem.type = type;
if (!allocator) {
- if (type == MEM_TYPE_PAGE_POOL || type == MEM_TYPE_ZERO_COPY)
+ if (type == MEM_TYPE_PAGE_POOL)
return -EINVAL; /* Setup time check page_pool req */
return 0;
}
@@ -357,10 +335,11 @@ EXPORT_SYMBOL_GPL(xdp_rxq_info_reg_mem_model);
* scenarios (e.g. queue full), it is possible to return the xdp_frame
* while still leveraging this protection. The @napi_direct boolean
* is used for those calls sites. Thus, allowing for faster recycling
- * of xdp_frames/pages in those cases.
+ * of xdp_frames/pages in those cases. This path is never used by the
+ * MEM_TYPE_XSK_BUFF_POOL memory type, so it's explicitly not part of
+ * the switch-statement.
*/
-static void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct,
- unsigned long handle)
+static void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct)
{
struct xdp_mem_allocator *xa;
struct page *page;
@@ -382,36 +361,29 @@ static void __xdp_return(void *data, struct xdp_mem_info *mem, bool napi_direct,
page = virt_to_page(data); /* Assumes order0 page*/
put_page(page);
break;
- case MEM_TYPE_ZERO_COPY:
- /* NB! Only valid from an xdp_buff! */
- rcu_read_lock();
- /* mem->id is valid, checked in xdp_rxq_info_reg_mem_model() */
- xa = rhashtable_lookup(mem_id_ht, &mem->id, mem_id_rht_params);
- xa->zc_alloc->free(xa->zc_alloc, handle);
- rcu_read_unlock();
default:
/* Not possible, checked in xdp_rxq_info_reg_mem_model() */
+ WARN(1, "Incorrect XDP memory type (%d) usage", mem->type);
break;
}
}
void xdp_return_frame(struct xdp_frame *xdpf)
{
- __xdp_return(xdpf->data, &xdpf->mem, false, 0);
+ __xdp_return(xdpf->data, &xdpf->mem, false);
}
EXPORT_SYMBOL_GPL(xdp_return_frame);
void xdp_return_frame_rx_napi(struct xdp_frame *xdpf)
{
- __xdp_return(xdpf->data, &xdpf->mem, true, 0);
+ __xdp_return(xdpf->data, &xdpf->mem, true);
}
EXPORT_SYMBOL_GPL(xdp_return_frame_rx_napi);
void xdp_return_buff(struct xdp_buff *xdp)
{
- __xdp_return(xdp->data, &xdp->rxq->mem, true, xdp->handle);
+ __xdp_return(xdp->data, &xdp->rxq->mem, true);
}
-EXPORT_SYMBOL_GPL(xdp_return_buff);
/* Only called for MEM_TYPE_PAGE_POOL see xdp.h */
void __xdp_release_frame(void *data, struct xdp_mem_info *mem)
@@ -492,7 +464,14 @@ struct xdp_frame *xdp_convert_zc_to_xdp_frame(struct xdp_buff *xdp)
xdpf->metasize = metasize;
xdpf->mem.type = MEM_TYPE_PAGE_ORDER0;
- xdp_return_buff(xdp);
+ xsk_buff_free(xdp);
return xdpf;
}
EXPORT_SYMBOL_GPL(xdp_convert_zc_to_xdp_frame);
+
+/* Used by XDP_WARN macro, to avoid inlining WARN() in fast-path */
+void xdp_warn(const char *msg, const char *func, const int line)
+{
+ WARN(1, "XDP_WARN: %s(line:%d): %s\n", func, line, msg);
+};
+EXPORT_SYMBOL_GPL(xdp_warn);
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index 9c3b27c257bb..7dce4f6c7025 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -108,11 +108,6 @@ extern int sysctl_dccp_sync_ratelimit;
#define ADD48(a, b) (((a) + (b)) & UINT48_MAX)
#define SUB48(a, b) ADD48((a), COMPLEMENT48(b))
-static inline void dccp_set_seqno(u64 *seqno, u64 value)
-{
- *seqno = value & UINT48_MAX;
-}
-
static inline void dccp_inc_seqno(u64 *seqno)
{
*seqno = ADD48(*seqno, 1);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1e5e08cc0bfc..650187d68851 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1082,6 +1082,7 @@ static const struct proto_ops inet6_dccp_ops = {
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
diff --git a/net/decnet/Kconfig b/net/decnet/Kconfig
index 0935453ccfd5..8f98fb2f2ec9 100644
--- a/net/decnet/Kconfig
+++ b/net/decnet/Kconfig
@@ -15,7 +15,7 @@ config DECNET
<http://linux-decnet.sourceforge.net/>.
More detailed documentation is available in
- <file:Documentation/networking/decnet.txt>.
+ <file:Documentation/networking/decnet.rst>.
Be sure to say Y to "/proc file system support" and "Sysctl support"
below when using DECnet, since you will need sysctl support to aid
@@ -40,4 +40,4 @@ config DECNET_ROUTER
filtering" option will be required for the forthcoming routing daemon
to work.
- See <file:Documentation/networking/decnet.txt> for more information.
+ See <file:Documentation/networking/decnet.rst> for more information.
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index cca7ae712995..65abcf1b3210 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -160,8 +160,8 @@ static int max_t3[] = { 8191 }; /* Must fit in 16 bits when multiplied by BCT3MU
static int min_priority[1];
static int max_priority[] = { 127 }; /* From DECnet spec */
-static int dn_forwarding_proc(struct ctl_table *, int,
- void __user *, size_t *, loff_t *);
+static int dn_forwarding_proc(struct ctl_table *, int, void *, size_t *,
+ loff_t *);
static struct dn_dev_sysctl_table {
struct ctl_table_header *sysctl_header;
struct ctl_table dn_dev_vars[5];
@@ -245,8 +245,7 @@ static void dn_dev_sysctl_unregister(struct dn_dev_parms *parms)
}
static int dn_forwarding_proc(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
#ifdef CONFIG_DECNET_ROUTER
struct net_device *dev = table->extra1;
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 55bf64a22b59..deae519bdeec 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -134,8 +134,7 @@ static int parse_addr(__le16 *addr, char *str)
}
static int dn_node_address_handler(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char addr[DN_ASCBUF_LEN];
size_t len;
@@ -148,10 +147,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
if (write) {
len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
-
- if (copy_from_user(addr, buffer, len))
- return -EFAULT;
-
+ memcpy(addr, buffer, len);
addr[len] = 0;
strip_it(addr);
@@ -173,11 +169,9 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
len = strlen(addr);
addr[len++] = '\n';
- if (len > *lenp) len = *lenp;
-
- if (copy_to_user(buffer, addr, len))
- return -EFAULT;
-
+ if (len > *lenp)
+ len = *lenp;
+ memcpy(buffer, addr, len);
*lenp = len;
*ppos += len;
@@ -185,8 +179,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write,
}
static int dn_def_dev_handler(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
size_t len;
struct net_device *dev;
@@ -201,9 +194,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write,
if (*lenp > 16)
return -E2BIG;
- if (copy_from_user(devname, buffer, *lenp))
- return -EFAULT;
-
+ memcpy(devname, buffer, *lenp);
devname[*lenp] = 0;
strip_it(devname);
@@ -238,9 +229,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write,
if (len > *lenp) len = *lenp;
- if (copy_to_user(buffer, devname, len))
- return -EFAULT;
-
+ memcpy(buffer, devname, len);
*lenp = len;
*ppos += len;
diff --git a/net/devres.c b/net/devres.c
new file mode 100644
index 000000000000..57a6a88d11f6
--- /dev/null
+++ b/net/devres.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * This file contains all networking devres helpers.
+ */
+
+#include <linux/device.h>
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+
+struct net_device_devres {
+ struct net_device *ndev;
+};
+
+static void devm_free_netdev(struct device *dev, void *this)
+{
+ struct net_device_devres *res = this;
+
+ free_netdev(res->ndev);
+}
+
+struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
+ unsigned int txqs, unsigned int rxqs)
+{
+ struct net_device_devres *dr;
+
+ dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return NULL;
+
+ dr->ndev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
+ if (!dr->ndev) {
+ devres_free(dr);
+ return NULL;
+ }
+
+ devres_add(dev, dr);
+
+ return dr->ndev;
+}
+EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
+
+static void devm_netdev_release(struct device *dev, void *this)
+{
+ struct net_device_devres *res = this;
+
+ unregister_netdev(res->ndev);
+}
+
+static int netdev_devres_match(struct device *dev, void *this, void *match_data)
+{
+ struct net_device_devres *res = this;
+ struct net_device *ndev = match_data;
+
+ return ndev == res->ndev;
+}
+
+/**
+ * devm_register_netdev - resource managed variant of register_netdev()
+ * @dev: managing device for this netdev - usually the parent device
+ * @ndev: device to register
+ *
+ * This is a devres variant of register_netdev() for which the unregister
+ * function will be call automatically when the managing device is
+ * detached. Note: the net_device used must also be resource managed by
+ * the same struct device.
+ */
+int devm_register_netdev(struct device *dev, struct net_device *ndev)
+{
+ struct net_device_devres *dr;
+ int ret;
+
+ /* struct net_device must itself be managed. For now a managed netdev
+ * can only be allocated by devm_alloc_etherdev_mqs() so the check is
+ * straightforward.
+ */
+ if (WARN_ON(!devres_find(dev, devm_free_netdev,
+ netdev_devres_match, ndev)))
+ return -EINVAL;
+
+ dr = devres_alloc(devm_netdev_release, sizeof(*dr), GFP_KERNEL);
+ if (!dr)
+ return -ENOMEM;
+
+ ret = register_netdev(ndev);
+ if (ret) {
+ devres_free(dr);
+ return ret;
+ }
+
+ dr->ndev = ndev;
+ devres_add(ndev->dev.parent, dr);
+
+ return 0;
+}
+EXPORT_SYMBOL(devm_register_netdev);
diff --git a/net/dns_resolver/Kconfig b/net/dns_resolver/Kconfig
index 0a1c2238b4bd..255df9b6e9e8 100644
--- a/net/dns_resolver/Kconfig
+++ b/net/dns_resolver/Kconfig
@@ -19,7 +19,7 @@ config DNS_RESOLVER
SMB2 later. DNS Resolver is supported by the userspace upcall
helper "/sbin/dns.resolver" via /etc/request-key.conf.
- See <file:Documentation/networking/dns_resolver.txt> for further
+ See <file:Documentation/networking/dns_resolver.rst> for further
information.
To compile this as a module, choose M here: the module will be called
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index ad53eb31d40f..3aced951d5ab 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -1,6 +1,6 @@
/* Key type used to cache DNS lookups made by the kernel
*
- * See Documentation/networking/dns_resolver.txt
+ * See Documentation/networking/dns_resolver.rst
*
* Copyright (c) 2007 Igor Mammedov
* Author(s): Igor Mammedov (niallain@gmail.com)
diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index cab4e0df924f..82b084cc1cc6 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -1,7 +1,7 @@
/* Upcall routine, designed to work as a key type and working through
* /sbin/request-key to contact userspace when handling DNS queries.
*
- * See Documentation/networking/dns_resolver.txt
+ * See Documentation/networking/dns_resolver.rst
*
* Copyright (c) 2007 Igor Mammedov
* Author(s): Igor Mammedov (niallain@gmail.com)
diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig
index 92663dcb3aa2..739613070d07 100644
--- a/net/dsa/Kconfig
+++ b/net/dsa/Kconfig
@@ -9,6 +9,7 @@ menuconfig NET_DSA
tristate "Distributed Switch Architecture"
depends on HAVE_NET_DSA
depends on BRIDGE || BRIDGE=n
+ select GRO_CELLS
select NET_SWITCHDEV
select PHYLINK
select NET_DEVLINK
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index ee2610c4d46a..1ce9ba8cf545 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -234,7 +234,7 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev,
if (dsa_skb_defer_rx_timestamp(p, skb))
return 0;
- netif_receive_skb(skb);
+ gro_cells_receive(&p->gcells, skb);
return 0;
}
@@ -412,6 +412,15 @@ void dsa_devlink_resource_occ_get_unregister(struct dsa_switch *ds,
}
EXPORT_SYMBOL_GPL(dsa_devlink_resource_occ_get_unregister);
+struct dsa_port *dsa_port_from_netdev(struct net_device *netdev)
+{
+ if (!netdev || !dsa_slave_dev_check(netdev))
+ return ERR_PTR(-ENODEV);
+
+ return dsa_slave_to_port(netdev);
+}
+EXPORT_SYMBOL_GPL(dsa_port_from_netdev);
+
static int __init dsa_init_module(void)
{
int rc;
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 9a271a58a41d..076908fdd29b 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -24,6 +24,27 @@ LIST_HEAD(dsa_tree_list);
static const struct devlink_ops dsa_devlink_ops = {
};
+struct dsa_switch *dsa_switch_find(int tree_index, int sw_index)
+{
+ struct dsa_switch_tree *dst;
+ struct dsa_port *dp;
+
+ list_for_each_entry(dst, &dsa_tree_list, list) {
+ if (dst->index != tree_index)
+ continue;
+
+ list_for_each_entry(dp, &dst->ports, list) {
+ if (dp->ds->index != sw_index)
+ continue;
+
+ return dp->ds;
+ }
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(dsa_switch_find);
+
static struct dsa_switch_tree *dsa_tree_find(int index)
{
struct dsa_switch_tree *dst;
@@ -459,7 +480,7 @@ static int dsa_tree_setup_switches(struct dsa_switch_tree *dst)
list_for_each_entry(dp, &dst->ports, list) {
err = dsa_port_setup(dp);
if (err)
- goto teardown;
+ continue;
}
return 0;
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 904cc7c9b882..adecf73bd608 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -11,6 +11,7 @@
#include <linux/netdevice.h>
#include <linux/netpoll.h>
#include <net/dsa.h>
+#include <net/gro_cells.h>
enum {
DSA_NOTIFIER_AGEING_TIME,
@@ -34,6 +35,7 @@ struct dsa_notifier_ageing_time_info {
/* DSA_NOTIFIER_BRIDGE_* */
struct dsa_notifier_bridge_info {
struct net_device *br;
+ int tree_index;
int sw_index;
int port;
};
@@ -77,6 +79,8 @@ struct dsa_slave_priv {
struct pcpu_sw_netstats *stats64;
+ struct gro_cells gcells;
+
/* DSA port data, such as switch, port index, etc. */
struct dsa_port *dp;
@@ -134,6 +138,7 @@ int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
struct switchdev_trans *trans);
+bool dsa_port_skip_vlan_configuration(struct dsa_port *dp);
int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
struct switchdev_trans *trans);
int dsa_port_mtu_change(struct dsa_port *dp, int new_mtu,
diff --git a/net/dsa/master.c b/net/dsa/master.c
index b5c535af63a3..a621367c6e8c 100644
--- a/net/dsa/master.c
+++ b/net/dsa/master.c
@@ -289,7 +289,8 @@ static void dsa_master_ndo_teardown(struct net_device *dev)
{
struct dsa_port *cpu_dp = dev->dsa_ptr;
- dev->netdev_ops = cpu_dp->orig_ndo_ops;
+ if (cpu_dp->orig_ndo_ops)
+ dev->netdev_ops = cpu_dp->orig_ndo_ops;
cpu_dp->orig_ndo_ops = NULL;
}
diff --git a/net/dsa/port.c b/net/dsa/port.c
index a58fdd362574..e23ece229c7e 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -13,6 +13,23 @@
#include "dsa_priv.h"
+static int dsa_broadcast(unsigned long e, void *v)
+{
+ struct dsa_switch_tree *dst;
+ int err = 0;
+
+ list_for_each_entry(dst, &dsa_tree_list, list) {
+ struct raw_notifier_head *nh = &dst->nh;
+
+ err = raw_notifier_call_chain(nh, e, v);
+ err = notifier_to_errno(err);
+ if (err)
+ break;
+ }
+
+ return err;
+}
+
static int dsa_port_notify(const struct dsa_port *dp, unsigned long e, void *v)
{
struct raw_notifier_head *nh = &dp->ds->dst->nh;
@@ -120,6 +137,7 @@ void dsa_port_disable(struct dsa_port *dp)
int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
{
struct dsa_notifier_bridge_info info = {
+ .tree_index = dp->ds->dst->index,
.sw_index = dp->ds->index,
.port = dp->index,
.br = br,
@@ -136,7 +154,7 @@ int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
*/
dp->bridge_dev = br;
- err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_JOIN, &info);
+ err = dsa_broadcast(DSA_NOTIFIER_BRIDGE_JOIN, &info);
/* The bridging is rolled back on error */
if (err) {
@@ -150,6 +168,7 @@ int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br)
void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
{
struct dsa_notifier_bridge_info info = {
+ .tree_index = dp->ds->dst->index,
.sw_index = dp->ds->index,
.port = dp->index,
.br = br,
@@ -161,7 +180,7 @@ void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br)
*/
dp->bridge_dev = NULL;
- err = dsa_port_notify(dp, DSA_NOTIFIER_BRIDGE_LEAVE, &info);
+ err = dsa_broadcast(DSA_NOTIFIER_BRIDGE_LEAVE, &info);
if (err)
pr_err("DSA: failed to notify DSA_NOTIFIER_BRIDGE_LEAVE\n");
@@ -238,6 +257,20 @@ int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
return 0;
}
+/* This enforces legacy behavior for switch drivers which assume they can't
+ * receive VLAN configuration when enslaved to a bridge with vlan_filtering=0
+ */
+bool dsa_port_skip_vlan_configuration(struct dsa_port *dp)
+{
+ struct dsa_switch *ds = dp->ds;
+
+ if (!dp->bridge_dev)
+ return false;
+
+ return (!ds->configure_vlan_while_not_filtering &&
+ !br_vlan_enabled(dp->bridge_dev));
+}
+
int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
struct switchdev_trans *trans)
{
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index e94eb1aac602..4c7f086a047b 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -314,7 +314,7 @@ static int dsa_slave_vlan_add(struct net_device *dev,
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
- if (dp->bridge_dev && !br_vlan_enabled(dp->bridge_dev))
+ if (dsa_port_skip_vlan_configuration(dp))
return 0;
vlan = *SWITCHDEV_OBJ_PORT_VLAN(obj);
@@ -381,7 +381,7 @@ static int dsa_slave_vlan_del(struct net_device *dev,
if (obj->orig_dev != dev)
return -EOPNOTSUPP;
- if (dp->bridge_dev && !br_vlan_enabled(dp->bridge_dev))
+ if (dsa_port_skip_vlan_configuration(dp))
return 0;
/* Do not deprogram the CPU port as it may be shared with other user
@@ -445,12 +445,11 @@ static inline netdev_tx_t dsa_slave_netpoll_send_skb(struct net_device *dev,
#ifdef CONFIG_NET_POLL_CONTROLLER
struct dsa_slave_priv *p = netdev_priv(dev);
- if (p->netpoll)
- netpoll_send_skb(p->netpoll, skb);
+ return netpoll_send_skb(p->netpoll, skb);
#else
BUG();
-#endif
return NETDEV_TX_OK;
+#endif
}
static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
@@ -856,20 +855,18 @@ dsa_slave_add_cls_matchall_mirred(struct net_device *dev,
struct dsa_port *to_dp;
int err;
- act = &cls->rule->action.entries[0];
-
if (!ds->ops->port_mirror_add)
return -EOPNOTSUPP;
- if (!act->dev)
- return -EINVAL;
-
if (!flow_action_basic_hw_stats_check(&cls->rule->action,
cls->common.extack))
return -EOPNOTSUPP;
act = &cls->rule->action.entries[0];
+ if (!act->dev)
+ return -EINVAL;
+
if (!dsa_slave_dev_check(act->dev))
return -EOPNOTSUPP;
@@ -913,13 +910,13 @@ dsa_slave_add_cls_matchall_police(struct net_device *dev,
if (!ds->ops->port_policer_add) {
NL_SET_ERR_MSG_MOD(extack,
- "Policing offload not implemented\n");
+ "Policing offload not implemented");
return -EOPNOTSUPP;
}
if (!ingress) {
NL_SET_ERR_MSG_MOD(extack,
- "Only supported on ingress qdisc\n");
+ "Only supported on ingress qdisc");
return -EOPNOTSUPP;
}
@@ -930,7 +927,7 @@ dsa_slave_add_cls_matchall_police(struct net_device *dev,
list_for_each_entry(mall_tc_entry, &p->mall_tc_list, list) {
if (mall_tc_entry->type == DSA_PORT_MALL_POLICER) {
NL_SET_ERR_MSG_MOD(extack,
- "Only one port policer allowed\n");
+ "Only one port policer allowed");
return -EEXIST;
}
}
@@ -1243,7 +1240,7 @@ static int dsa_slave_vlan_rx_add_vid(struct net_device *dev, __be16 proto,
* need to emulate the switchdev prepare + commit phase.
*/
if (dp->bridge_dev) {
- if (!br_vlan_enabled(dp->bridge_dev))
+ if (dsa_port_skip_vlan_configuration(dp))
return 0;
/* br_vlan_get_info() returns -EINVAL or -ENOENT if the
@@ -1277,7 +1274,7 @@ static int dsa_slave_vlan_rx_kill_vid(struct net_device *dev, __be16 proto,
* need to emulate the switchdev prepare + commit phase.
*/
if (dp->bridge_dev) {
- if (!br_vlan_enabled(dp->bridge_dev))
+ if (dsa_port_skip_vlan_configuration(dp))
return 0;
/* br_vlan_get_info() returns -EINVAL or -ENOENT if the
@@ -1590,10 +1587,10 @@ void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up)
}
EXPORT_SYMBOL_GPL(dsa_port_phylink_mac_change);
-static void dsa_slave_phylink_fixed_state(struct net_device *dev,
+static void dsa_slave_phylink_fixed_state(struct phylink_config *config,
struct phylink_link_state *state)
{
- struct dsa_port *dp = dsa_slave_to_port(dev);
+ struct dsa_port *dp = container_of(config, struct dsa_port, pl_config);
struct dsa_switch *ds = dp->ds;
/* No need to check that this operation is valid, the callback would
@@ -1633,6 +1630,15 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
dp->pl_config.dev = &slave_dev->dev;
dp->pl_config.type = PHYLINK_NETDEV;
+ /* The get_fixed_state callback takes precedence over polling the
+ * link GPIO in PHYLINK (see phylink_get_fixed_state). Only set
+ * this if the switch provides such a callback.
+ */
+ if (ds->ops->phylink_fixed_state) {
+ dp->pl_config.get_fixed_state = dsa_slave_phylink_fixed_state;
+ dp->pl_config.poll_fixed_state = true;
+ }
+
dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(port_dn), mode,
&dsa_port_phylink_mac_ops);
if (IS_ERR(dp->pl)) {
@@ -1641,13 +1647,6 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
return PTR_ERR(dp->pl);
}
- /* Register only if the switch provides such a callback, since this
- * callback takes precedence over polling the link GPIO in PHYLINK
- * (see phylink_get_fixed_state).
- */
- if (ds->ops->phylink_fixed_state)
- phylink_fixed_state_cb(dp->pl, dsa_slave_phylink_fixed_state);
-
if (ds->ops->get_phy_flags)
phy_flags = ds->ops->get_phy_flags(ds, dp->index);
@@ -1669,6 +1668,15 @@ static int dsa_slave_phy_setup(struct net_device *slave_dev)
return ret;
}
+static struct lock_class_key dsa_slave_netdev_xmit_lock_key;
+static void dsa_slave_set_lockdep_class_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock,
+ &dsa_slave_netdev_xmit_lock_key);
+}
+
int dsa_slave_suspend(struct net_device *slave_dev)
{
struct dsa_port *dp = dsa_slave_to_port(slave_dev);
@@ -1738,6 +1746,7 @@ int dsa_slave_create(struct dsa_port *port)
if (ds->ops->port_vlan_add && ds->ops->port_vlan_del)
slave_dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;
slave_dev->hw_features |= NETIF_F_HW_TC;
+ slave_dev->features |= NETIF_F_LLTX;
slave_dev->ethtool_ops = &dsa_slave_ethtool_ops;
if (!IS_ERR_OR_NULL(port->mac))
ether_addr_copy(slave_dev->dev_addr, port->mac);
@@ -1752,6 +1761,9 @@ int dsa_slave_create(struct dsa_port *port)
slave_dev->max_mtu = ETH_MAX_MTU;
SET_NETDEV_DEVTYPE(slave_dev, &dsa_type);
+ netdev_for_each_tx_queue(slave_dev, dsa_slave_set_lockdep_class_one,
+ NULL);
+
SET_NETDEV_DEV(slave_dev, port->ds->dev);
slave_dev->dev.of_node = port->dn;
slave_dev->vlan_features = master->vlan_features;
@@ -1762,6 +1774,11 @@ int dsa_slave_create(struct dsa_port *port)
free_netdev(slave_dev);
return -ENOMEM;
}
+
+ ret = gro_cells_init(&p->gcells, slave_dev);
+ if (ret)
+ goto out_free;
+
p->dp = port;
INIT_LIST_HEAD(&p->mall_tc_list);
p->xmit = cpu_dp->tag_ops->xmit;
@@ -1770,18 +1787,16 @@ int dsa_slave_create(struct dsa_port *port)
rtnl_lock();
ret = dsa_slave_change_mtu(slave_dev, ETH_DATA_LEN);
rtnl_unlock();
- if (ret && ret != -EOPNOTSUPP) {
- dev_err(ds->dev, "error %d setting MTU on port %d\n",
- ret, port->index);
- goto out_free;
- }
+ if (ret)
+ dev_warn(ds->dev, "nonfatal error %d setting MTU on port %d\n",
+ ret, port->index);
netif_carrier_off(slave_dev);
ret = dsa_slave_phy_setup(slave_dev);
if (ret) {
netdev_err(master, "error %d setting up slave phy\n", ret);
- goto out_free;
+ goto out_gcells;
}
dsa_slave_notify(slave_dev, DSA_PORT_REGISTER);
@@ -1800,6 +1815,8 @@ out_phy:
phylink_disconnect_phy(p->dp->pl);
rtnl_unlock();
phylink_destroy(p->dp->pl);
+out_gcells:
+ gro_cells_destroy(&p->gcells);
out_free:
free_percpu(p->stats64);
free_netdev(slave_dev);
@@ -1820,6 +1837,7 @@ void dsa_slave_destroy(struct net_device *slave_dev)
dsa_slave_notify(slave_dev, DSA_PORT_UNREGISTER);
unregister_netdev(slave_dev);
phylink_destroy(dp->pl);
+ gro_cells_destroy(&p->gcells);
free_percpu(p->stats64);
free_netdev(slave_dev);
}
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index f3c32ff552b3..86c8dc5c32a0 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -89,11 +89,16 @@ static int dsa_switch_mtu(struct dsa_switch *ds,
static int dsa_switch_bridge_join(struct dsa_switch *ds,
struct dsa_notifier_bridge_info *info)
{
- if (ds->index == info->sw_index && ds->ops->port_bridge_join)
+ struct dsa_switch_tree *dst = ds->dst;
+
+ if (dst->index == info->tree_index && ds->index == info->sw_index &&
+ ds->ops->port_bridge_join)
return ds->ops->port_bridge_join(ds, info->port, info->br);
- if (ds->index != info->sw_index && ds->ops->crosschip_bridge_join)
- return ds->ops->crosschip_bridge_join(ds, info->sw_index,
+ if ((dst->index != info->tree_index || ds->index != info->sw_index) &&
+ ds->ops->crosschip_bridge_join)
+ return ds->ops->crosschip_bridge_join(ds, info->tree_index,
+ info->sw_index,
info->port, info->br);
return 0;
@@ -103,13 +108,17 @@ static int dsa_switch_bridge_leave(struct dsa_switch *ds,
struct dsa_notifier_bridge_info *info)
{
bool unset_vlan_filtering = br_vlan_enabled(info->br);
+ struct dsa_switch_tree *dst = ds->dst;
int err, i;
- if (ds->index == info->sw_index && ds->ops->port_bridge_leave)
+ if (dst->index == info->tree_index && ds->index == info->sw_index &&
+ ds->ops->port_bridge_join)
ds->ops->port_bridge_leave(ds, info->port, info->br);
- if (ds->index != info->sw_index && ds->ops->crosschip_bridge_leave)
- ds->ops->crosschip_bridge_leave(ds, info->sw_index, info->port,
+ if ((dst->index != info->tree_index || ds->index != info->sw_index) &&
+ ds->ops->crosschip_bridge_join)
+ ds->ops->crosschip_bridge_leave(ds, info->tree_index,
+ info->sw_index, info->port,
info->br);
/* If the bridge was vlan_filtering, the bridge core doesn't trigger an
diff --git a/net/dsa/tag_8021q.c b/net/dsa/tag_8021q.c
index b97ad93d1c1a..780b2a15ac9b 100644
--- a/net/dsa/tag_8021q.c
+++ b/net/dsa/tag_8021q.c
@@ -8,6 +8,7 @@
*/
#include <linux/if_bridge.h>
#include <linux/if_vlan.h>
+#include <linux/dsa/8021q.h>
#include "dsa_priv.h"
@@ -16,7 +17,7 @@
*
* | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
* +-----------+-----+-----------------+-----------+-----------------------+
- * | DIR | RSV | SWITCH_ID | RSV | PORT |
+ * | DIR | SVL | SWITCH_ID | SUBVLAN | PORT |
* +-----------+-----+-----------------+-----------+-----------------------+
*
* DIR - VID[11:10]:
@@ -26,17 +27,24 @@
* These values make the special VIDs of 0, 1 and 4095 to be left
* unused by this coding scheme.
*
- * RSV - VID[9]:
- * To be used for further expansion of SWITCH_ID or for other purposes.
- * Must be transmitted as zero and ignored on receive.
+ * SVL/SUBVLAN - { VID[9], VID[5:4] }:
+ * Sub-VLAN encoding. Valid only when DIR indicates an RX VLAN.
+ * * 0 (0b000): Field does not encode a sub-VLAN, either because
+ * received traffic is untagged, PVID-tagged or because a second
+ * VLAN tag is present after this tag and not inside of it.
+ * * 1 (0b001): Received traffic is tagged with a VID value private
+ * to the host. This field encodes the index in the host's lookup
+ * table through which the value of the ingress VLAN ID can be
+ * recovered.
+ * * 2 (0b010): Field encodes a sub-VLAN.
+ * ...
+ * * 7 (0b111): Field encodes a sub-VLAN.
+ * When DIR indicates a TX VLAN, SUBVLAN must be transmitted as zero
+ * (by the host) and ignored on receive (by the switch).
*
* SWITCH_ID - VID[8:6]:
* Index of switch within DSA tree. Must be between 0 and 7.
*
- * RSV - VID[5:4]:
- * To be used for further expansion of PORT or for other purposes.
- * Must be transmitted as zero and ignored on receive.
- *
* PORT - VID[3:0]:
* Index of switch port. Must be between 0 and 15.
*/
@@ -53,6 +61,18 @@
#define DSA_8021Q_SWITCH_ID(x) (((x) << DSA_8021Q_SWITCH_ID_SHIFT) & \
DSA_8021Q_SWITCH_ID_MASK)
+#define DSA_8021Q_SUBVLAN_HI_SHIFT 9
+#define DSA_8021Q_SUBVLAN_HI_MASK GENMASK(9, 9)
+#define DSA_8021Q_SUBVLAN_LO_SHIFT 4
+#define DSA_8021Q_SUBVLAN_LO_MASK GENMASK(4, 3)
+#define DSA_8021Q_SUBVLAN_HI(x) (((x) & GENMASK(2, 2)) >> 2)
+#define DSA_8021Q_SUBVLAN_LO(x) ((x) & GENMASK(1, 0))
+#define DSA_8021Q_SUBVLAN(x) \
+ (((DSA_8021Q_SUBVLAN_LO(x) << DSA_8021Q_SUBVLAN_LO_SHIFT) & \
+ DSA_8021Q_SUBVLAN_LO_MASK) | \
+ ((DSA_8021Q_SUBVLAN_HI(x) << DSA_8021Q_SUBVLAN_HI_SHIFT) & \
+ DSA_8021Q_SUBVLAN_HI_MASK))
+
#define DSA_8021Q_PORT_SHIFT 0
#define DSA_8021Q_PORT_MASK GENMASK(3, 0)
#define DSA_8021Q_PORT(x) (((x) << DSA_8021Q_PORT_SHIFT) & \
@@ -78,6 +98,13 @@ u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port)
}
EXPORT_SYMBOL_GPL(dsa_8021q_rx_vid);
+u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan)
+{
+ return DSA_8021Q_DIR_RX | DSA_8021Q_SWITCH_ID(ds->index) |
+ DSA_8021Q_PORT(port) | DSA_8021Q_SUBVLAN(subvlan);
+}
+EXPORT_SYMBOL_GPL(dsa_8021q_rx_vid_subvlan);
+
/* Returns the decoded switch ID from the RX VID. */
int dsa_8021q_rx_switch_id(u16 vid)
{
@@ -92,33 +119,26 @@ int dsa_8021q_rx_source_port(u16 vid)
}
EXPORT_SYMBOL_GPL(dsa_8021q_rx_source_port);
-static int dsa_8021q_restore_pvid(struct dsa_switch *ds, int port)
+/* Returns the decoded subvlan from the RX VID. */
+u16 dsa_8021q_rx_subvlan(u16 vid)
{
- struct bridge_vlan_info vinfo;
- struct net_device *slave;
- u16 pvid;
- int err;
-
- if (!dsa_is_user_port(ds, port))
- return 0;
-
- slave = dsa_to_port(ds, port)->slave;
+ u16 svl_hi, svl_lo;
- err = br_vlan_get_pvid(slave, &pvid);
- if (!pvid || err < 0)
- /* There is no pvid on the bridge for this port, which is
- * perfectly valid. Nothing to restore, bye-bye!
- */
- return 0;
+ svl_hi = (vid & DSA_8021Q_SUBVLAN_HI_MASK) >>
+ DSA_8021Q_SUBVLAN_HI_SHIFT;
+ svl_lo = (vid & DSA_8021Q_SUBVLAN_LO_MASK) >>
+ DSA_8021Q_SUBVLAN_LO_SHIFT;
- err = br_vlan_get_info(slave, pvid, &vinfo);
- if (err < 0) {
- dev_err(ds->dev, "Couldn't determine PVID attributes\n");
- return err;
- }
+ return (svl_hi << 2) | svl_lo;
+}
+EXPORT_SYMBOL_GPL(dsa_8021q_rx_subvlan);
- return dsa_port_vid_add(dsa_to_port(ds, port), pvid, vinfo.flags);
+bool vid_is_dsa_8021q(u16 vid)
+{
+ return ((vid & DSA_8021Q_DIR_MASK) == DSA_8021Q_DIR_RX ||
+ (vid & DSA_8021Q_DIR_MASK) == DSA_8021Q_DIR_TX);
}
+EXPORT_SYMBOL_GPL(vid_is_dsa_8021q);
/* If @enabled is true, installs @vid with @flags into the switch port's HW
* filter.
@@ -130,39 +150,11 @@ static int dsa_8021q_vid_apply(struct dsa_switch *ds, int port, u16 vid,
u16 flags, bool enabled)
{
struct dsa_port *dp = dsa_to_port(ds, port);
- struct bridge_vlan_info vinfo;
- int err;
if (enabled)
return dsa_port_vid_add(dp, vid, flags);
- err = dsa_port_vid_del(dp, vid);
- if (err < 0)
- return err;
-
- /* Nothing to restore from the bridge for a non-user port.
- * The CPU port VLANs are restored implicitly with the user ports,
- * similar to how the bridge does in dsa_slave_vlan_add and
- * dsa_slave_vlan_del.
- */
- if (!dsa_is_user_port(ds, port))
- return 0;
-
- err = br_vlan_get_info(dp->slave, vid, &vinfo);
- /* Couldn't determine bridge attributes for this vid,
- * it means the bridge had not configured it.
- */
- if (err < 0)
- return 0;
-
- /* Restore the VID from the bridge */
- err = dsa_port_vid_add(dp, vid, vinfo.flags);
- if (err < 0)
- return err;
-
- vinfo.flags &= ~BRIDGE_VLAN_INFO_PVID;
-
- return dsa_port_vid_add(dp->cpu_dp, vid, vinfo.flags);
+ return dsa_port_vid_del(dp, vid);
}
/* RX VLAN tagging (left) and TX VLAN tagging (right) setup shown for a single
@@ -281,13 +273,149 @@ int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int port, bool enabled)
return err;
}
- if (!enabled)
- err = dsa_8021q_restore_pvid(ds, port);
-
return err;
}
EXPORT_SYMBOL_GPL(dsa_port_setup_8021q_tagging);
+static int dsa_8021q_crosschip_link_apply(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port, bool enabled)
+{
+ u16 rx_vid = dsa_8021q_rx_vid(ds, port);
+
+ /* @rx_vid of local @ds port @port goes to @other_port of
+ * @other_ds
+ */
+ return dsa_8021q_vid_apply(other_ds, other_port, rx_vid,
+ BRIDGE_VLAN_INFO_UNTAGGED, enabled);
+}
+
+static int dsa_8021q_crosschip_link_add(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links)
+{
+ struct dsa_8021q_crosschip_link *c;
+
+ list_for_each_entry(c, crosschip_links, list) {
+ if (c->port == port && c->other_ds == other_ds &&
+ c->other_port == other_port) {
+ refcount_inc(&c->refcount);
+ return 0;
+ }
+ }
+
+ dev_dbg(ds->dev, "adding crosschip link from port %d to %s port %d\n",
+ port, dev_name(other_ds->dev), other_port);
+
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
+ if (!c)
+ return -ENOMEM;
+
+ c->port = port;
+ c->other_ds = other_ds;
+ c->other_port = other_port;
+ refcount_set(&c->refcount, 1);
+
+ list_add(&c->list, crosschip_links);
+
+ return 0;
+}
+
+static void dsa_8021q_crosschip_link_del(struct dsa_switch *ds,
+ struct dsa_8021q_crosschip_link *c,
+ struct list_head *crosschip_links,
+ bool *keep)
+{
+ *keep = !refcount_dec_and_test(&c->refcount);
+
+ if (*keep)
+ return;
+
+ dev_dbg(ds->dev,
+ "deleting crosschip link from port %d to %s port %d\n",
+ c->port, dev_name(c->other_ds->dev), c->other_port);
+
+ list_del(&c->list);
+ kfree(c);
+}
+
+/* Make traffic from local port @port be received by remote port @other_port.
+ * This means that our @rx_vid needs to be installed on @other_ds's upstream
+ * and user ports. The user ports should be egress-untagged so that they can
+ * pop the dsa_8021q VLAN. But the @other_upstream can be either egress-tagged
+ * or untagged: it doesn't matter, since it should never egress a frame having
+ * our @rx_vid.
+ */
+int dsa_8021q_crosschip_bridge_join(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links)
+{
+ /* @other_upstream is how @other_ds reaches us. If we are part
+ * of disjoint trees, then we are probably connected through
+ * our CPU ports. If we're part of the same tree though, we should
+ * probably use dsa_towards_port.
+ */
+ int other_upstream = dsa_upstream_port(other_ds, other_port);
+ int rc;
+
+ rc = dsa_8021q_crosschip_link_add(ds, port, other_ds,
+ other_port, crosschip_links);
+ if (rc)
+ return rc;
+
+ rc = dsa_8021q_crosschip_link_apply(ds, port, other_ds,
+ other_port, true);
+ if (rc)
+ return rc;
+
+ rc = dsa_8021q_crosschip_link_add(ds, port, other_ds,
+ other_upstream,
+ crosschip_links);
+ if (rc)
+ return rc;
+
+ return dsa_8021q_crosschip_link_apply(ds, port, other_ds,
+ other_upstream, true);
+}
+EXPORT_SYMBOL_GPL(dsa_8021q_crosschip_bridge_join);
+
+int dsa_8021q_crosschip_bridge_leave(struct dsa_switch *ds, int port,
+ struct dsa_switch *other_ds,
+ int other_port,
+ struct list_head *crosschip_links)
+{
+ int other_upstream = dsa_upstream_port(other_ds, other_port);
+ struct dsa_8021q_crosschip_link *c, *n;
+
+ list_for_each_entry_safe(c, n, crosschip_links, list) {
+ if (c->port == port && c->other_ds == other_ds &&
+ (c->other_port == other_port ||
+ c->other_port == other_upstream)) {
+ struct dsa_switch *other_ds = c->other_ds;
+ int other_port = c->other_port;
+ bool keep;
+ int rc;
+
+ dsa_8021q_crosschip_link_del(ds, c, crosschip_links,
+ &keep);
+ if (keep)
+ continue;
+
+ rc = dsa_8021q_crosschip_link_apply(ds, port,
+ other_ds,
+ other_port,
+ false);
+ if (rc)
+ return rc;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(dsa_8021q_crosschip_bridge_leave);
+
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci)
{
diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
index b5705cba8318..d6619edd53e5 100644
--- a/net/dsa/tag_mtk.c
+++ b/net/dsa/tag_mtk.c
@@ -15,6 +15,7 @@
#define MTK_HDR_XMIT_TAGGED_TPID_8100 1
#define MTK_HDR_RECV_SOURCE_PORT_MASK GENMASK(2, 0)
#define MTK_HDR_XMIT_DP_BIT_MASK GENMASK(5, 0)
+#define MTK_HDR_XMIT_SA_DIS BIT(6)
static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
struct net_device *dev)
@@ -22,6 +23,9 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
struct dsa_port *dp = dsa_slave_to_port(dev);
u8 *mtk_tag;
bool is_vlan_skb = true;
+ unsigned char *dest = eth_hdr(skb)->h_dest;
+ bool is_multicast_skb = is_multicast_ether_addr(dest) &&
+ !is_broadcast_ether_addr(dest);
/* Build the special tag after the MAC Source Address. If VLAN header
* is present, it's required that VLAN header and special tag is
@@ -47,6 +51,10 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
MTK_HDR_XMIT_UNTAGGED;
mtk_tag[1] = (1 << dp->index) & MTK_HDR_XMIT_DP_BIT_MASK;
+ /* Disable SA learning for multicast frames */
+ if (unlikely(is_multicast_skb))
+ mtk_tag[1] |= MTK_HDR_XMIT_SA_DIS;
+
/* Tag control information is kept for 802.1Q */
if (!is_vlan_skb) {
mtk_tag[2] = 0;
@@ -61,6 +69,9 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
{
int port;
__be16 *phdr, hdr;
+ unsigned char *dest = eth_hdr(skb)->h_dest;
+ bool is_multicast_skb = is_multicast_ether_addr(dest) &&
+ !is_broadcast_ether_addr(dest);
if (unlikely(!pskb_may_pull(skb, MTK_HDR_LEN)))
return NULL;
@@ -86,6 +97,10 @@ static struct sk_buff *mtk_tag_rcv(struct sk_buff *skb, struct net_device *dev,
if (!skb->dev)
return NULL;
+ /* Only unicast or broadcast frames are offloaded */
+ if (likely(!is_multicast_skb))
+ skb->offload_fwd_mark = 1;
+
return skb;
}
diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c
index 59de1315100f..b0c98ee4e13b 100644
--- a/net/dsa/tag_ocelot.c
+++ b/net/dsa/tag_ocelot.c
@@ -228,7 +228,7 @@ static struct sk_buff *ocelot_rcv(struct sk_buff *skb,
return skb;
}
-static struct dsa_device_ops ocelot_netdev_ops = {
+static const struct dsa_device_ops ocelot_netdev_ops = {
.name = "ocelot",
.proto = DSA_TAG_PROTO_OCELOT,
.xmit = ocelot_xmit,
diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c
index d553bf36bd41..9b4a4d719291 100644
--- a/net/dsa/tag_sja1105.c
+++ b/net/dsa/tag_sja1105.c
@@ -69,12 +69,25 @@ static inline bool sja1105_is_meta_frame(const struct sk_buff *skb)
return true;
}
+static bool sja1105_can_use_vlan_as_tags(const struct sk_buff *skb)
+{
+ struct vlan_ethhdr *hdr = vlan_eth_hdr(skb);
+
+ if (hdr->h_vlan_proto == htons(ETH_P_SJA1105))
+ return true;
+
+ if (hdr->h_vlan_proto != htons(ETH_P_8021Q))
+ return false;
+
+ return vid_is_dsa_8021q(ntohs(hdr->h_vlan_TCI) & VLAN_VID_MASK);
+}
+
/* This is the first time the tagger sees the frame on RX.
* Figure out if we can decode it.
*/
static bool sja1105_filter(const struct sk_buff *skb, struct net_device *dev)
{
- if (!dsa_port_is_vlan_filtering(dev->dsa_ptr))
+ if (sja1105_can_use_vlan_as_tags(skb))
return true;
if (sja1105_is_link_local(skb))
return true;
@@ -96,6 +109,11 @@ static struct sk_buff *sja1105_defer_xmit(struct sja1105_port *sp,
return NULL;
}
+static u16 sja1105_xmit_tpid(struct sja1105_port *sp)
+{
+ return sp->xmit_tpid;
+}
+
static struct sk_buff *sja1105_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
@@ -111,15 +129,7 @@ static struct sk_buff *sja1105_xmit(struct sk_buff *skb,
if (unlikely(sja1105_is_link_local(skb)))
return sja1105_defer_xmit(dp->priv, skb);
- /* If we are under a vlan_filtering bridge, IP termination on
- * switch ports based on 802.1Q tags is simply too brittle to
- * be passable. So just defer to the dsa_slave_notag_xmit
- * implementation.
- */
- if (dsa_port_is_vlan_filtering(dp))
- return skb;
-
- return dsa_8021q_xmit(skb, netdev, ETH_P_SJA1105,
+ return dsa_8021q_xmit(skb, netdev, sja1105_xmit_tpid(dp->priv),
((pcp << VLAN_PRIO_SHIFT) | tx_vid));
}
@@ -244,6 +254,20 @@ static struct sk_buff
return skb;
}
+static void sja1105_decode_subvlan(struct sk_buff *skb, u16 subvlan)
+{
+ struct dsa_port *dp = dsa_slave_to_port(skb->dev);
+ struct sja1105_port *sp = dp->priv;
+ u16 vid = sp->subvlan_map[subvlan];
+ u16 vlan_tci;
+
+ if (vid == VLAN_N_VID)
+ return;
+
+ vlan_tci = (skb->priority << VLAN_PRIO_SHIFT) | vid;
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci);
+}
+
static struct sk_buff *sja1105_rcv(struct sk_buff *skb,
struct net_device *netdev,
struct packet_type *pt)
@@ -253,12 +277,13 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb,
struct ethhdr *hdr;
u16 tpid, vid, tci;
bool is_link_local;
+ u16 subvlan = 0;
bool is_tagged;
bool is_meta;
hdr = eth_hdr(skb);
tpid = ntohs(hdr->h_proto);
- is_tagged = (tpid == ETH_P_SJA1105);
+ is_tagged = (tpid == ETH_P_SJA1105 || tpid == ETH_P_8021Q);
is_link_local = sja1105_is_link_local(skb);
is_meta = sja1105_is_meta_frame(skb);
@@ -276,6 +301,7 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb,
source_port = dsa_8021q_rx_source_port(vid);
switch_id = dsa_8021q_rx_switch_id(vid);
skb->priority = (tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
+ subvlan = dsa_8021q_rx_subvlan(vid);
} else if (is_link_local) {
/* Management traffic path. Switch embeds the switch ID and
* port ID into bytes of the destination MAC, courtesy of
@@ -300,11 +326,14 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb,
return NULL;
}
+ if (subvlan)
+ sja1105_decode_subvlan(skb, subvlan);
+
return sja1105_rcv_meta_state_machine(skb, &meta, is_link_local,
is_meta);
}
-static struct dsa_device_ops sja1105_netdev_ops = {
+static const struct dsa_device_ops sja1105_netdev_ops = {
.name = "sja1105",
.proto = DSA_TAG_PROTO_SJA1105,
.xmit = sja1105_xmit,
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index c8b903302ff2..dac65180c4ef 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -400,34 +400,6 @@ struct net_device *alloc_etherdev_mqs(int sizeof_priv, unsigned int txqs,
}
EXPORT_SYMBOL(alloc_etherdev_mqs);
-static void devm_free_netdev(struct device *dev, void *res)
-{
- free_netdev(*(struct net_device **)res);
-}
-
-struct net_device *devm_alloc_etherdev_mqs(struct device *dev, int sizeof_priv,
- unsigned int txqs, unsigned int rxqs)
-{
- struct net_device **dr;
- struct net_device *netdev;
-
- dr = devres_alloc(devm_free_netdev, sizeof(*dr), GFP_KERNEL);
- if (!dr)
- return NULL;
-
- netdev = alloc_etherdev_mqs(sizeof_priv, txqs, rxqs);
- if (!netdev) {
- devres_free(dr);
- return NULL;
- }
-
- *dr = netdev;
- devres_add(dev, dr);
-
- return netdev;
-}
-EXPORT_SYMBOL(devm_alloc_etherdev_mqs);
-
ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len)
{
return scnprintf(buf, PAGE_SIZE, "%*phC\n", len, addr);
diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile
index 6c360c9c9370..0c2b94f20499 100644
--- a/net/ethtool/Makefile
+++ b/net/ethtool/Makefile
@@ -6,4 +6,4 @@ obj-$(CONFIG_ETHTOOL_NETLINK) += ethtool_nl.o
ethtool_nl-y := netlink.o bitset.o strset.o linkinfo.o linkmodes.o \
linkstate.o debug.o wol.o features.o privflags.o rings.o \
- channels.o coalesce.o pause.o eee.o tsinfo.o
+ channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
new file mode 100644
index 000000000000..7b7a0456c15c
--- /dev/null
+++ b/net/ethtool/cabletest.c
@@ -0,0 +1,431 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/phy.h>
+#include <linux/ethtool_netlink.h>
+#include "netlink.h"
+#include "common.h"
+
+/* 802.3 standard allows 100 meters for BaseT cables. However longer
+ * cables might work, depending on the quality of the cables and the
+ * PHY. So allow testing for up to 150 meters.
+ */
+#define MAX_CABLE_LENGTH_CM (150 * 100)
+
+static const struct nla_policy
+cable_test_act_policy[ETHTOOL_A_CABLE_TEST_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_UNSPEC] = { .type = NLA_REJECT },
+ [ETHTOOL_A_CABLE_TEST_HEADER] = { .type = NLA_NESTED },
+};
+
+static int ethnl_cable_test_started(struct phy_device *phydev, u8 cmd)
+{
+ struct sk_buff *skb;
+ int err = -ENOMEM;
+ void *ehdr;
+
+ skb = genlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!skb)
+ goto out;
+
+ ehdr = ethnl_bcastmsg_put(skb, cmd);
+ if (!ehdr) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ err = ethnl_fill_reply_header(skb, phydev->attached_dev,
+ ETHTOOL_A_CABLE_TEST_NTF_HEADER);
+ if (err)
+ goto out;
+
+ err = nla_put_u8(skb, ETHTOOL_A_CABLE_TEST_NTF_STATUS,
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_STARTED);
+ if (err)
+ goto out;
+
+ genlmsg_end(skb, ehdr);
+
+ return ethnl_multicast(skb, phydev->attached_dev);
+
+out:
+ nlmsg_free(skb);
+ phydev_err(phydev, "%s: Error %pe\n", __func__, ERR_PTR(err));
+
+ return err;
+}
+
+int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_MAX + 1];
+ struct ethnl_req_info req_info = {};
+ struct net_device *dev;
+ int ret;
+
+ ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
+ ETHTOOL_A_CABLE_TEST_MAX,
+ cable_test_act_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_HEADER],
+ genl_info_net(info), info->extack,
+ true);
+ if (ret < 0)
+ return ret;
+
+ dev = req_info.dev;
+ if (!dev->phydev) {
+ ret = -EOPNOTSUPP;
+ goto out_dev_put;
+ }
+
+ rtnl_lock();
+ ret = ethnl_ops_begin(dev);
+ if (ret < 0)
+ goto out_rtnl;
+
+ ret = phy_start_cable_test(dev->phydev, info->extack);
+
+ ethnl_ops_complete(dev);
+
+ if (!ret)
+ ethnl_cable_test_started(dev->phydev,
+ ETHTOOL_MSG_CABLE_TEST_NTF);
+
+out_rtnl:
+ rtnl_unlock();
+out_dev_put:
+ dev_put(dev);
+ return ret;
+}
+
+int ethnl_cable_test_alloc(struct phy_device *phydev, u8 cmd)
+{
+ int err = -ENOMEM;
+
+ /* One TDR sample occupies 20 bytes. For a 150 meter cable,
+ * with four pairs, around 12K is needed.
+ */
+ phydev->skb = genlmsg_new(SZ_16K, GFP_KERNEL);
+ if (!phydev->skb)
+ goto out;
+
+ phydev->ehdr = ethnl_bcastmsg_put(phydev->skb, cmd);
+ if (!phydev->ehdr) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ err = ethnl_fill_reply_header(phydev->skb, phydev->attached_dev,
+ ETHTOOL_A_CABLE_TEST_NTF_HEADER);
+ if (err)
+ goto out;
+
+ err = nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_TEST_NTF_STATUS,
+ ETHTOOL_A_CABLE_TEST_NTF_STATUS_COMPLETED);
+ if (err)
+ goto out;
+
+ phydev->nest = nla_nest_start(phydev->skb,
+ ETHTOOL_A_CABLE_TEST_NTF_NEST);
+ if (!phydev->nest) {
+ err = -EMSGSIZE;
+ goto out;
+ }
+
+ return 0;
+
+out:
+ nlmsg_free(phydev->skb);
+ phydev->skb = NULL;
+ return err;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_alloc);
+
+void ethnl_cable_test_free(struct phy_device *phydev)
+{
+ nlmsg_free(phydev->skb);
+ phydev->skb = NULL;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_free);
+
+void ethnl_cable_test_finished(struct phy_device *phydev)
+{
+ nla_nest_end(phydev->skb, phydev->nest);
+
+ genlmsg_end(phydev->skb, phydev->ehdr);
+
+ ethnl_multicast(phydev->skb, phydev->attached_dev);
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_finished);
+
+int ethnl_cable_test_result(struct phy_device *phydev, u8 pair, u8 result)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_NEST_RESULT);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_RESULT_PAIR, pair))
+ goto err;
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_RESULT_CODE, result))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_result);
+
+int ethnl_cable_test_fault_length(struct phy_device *phydev, u8 pair, u32 cm)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb,
+ ETHTOOL_A_CABLE_NEST_FAULT_LENGTH);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_PAIR, pair))
+ goto err;
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_FAULT_LENGTH_CM, cm))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_fault_length);
+
+struct cable_test_tdr_req_info {
+ struct ethnl_req_info base;
+};
+
+static const struct nla_policy
+cable_test_tdr_act_cfg_policy[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP] = { .type = NLA_U32 },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR] = { .type = NLA_U8 },
+};
+
+static const struct nla_policy
+cable_test_tdr_act_policy[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1] = {
+ [ETHTOOL_A_CABLE_TEST_TDR_UNSPEC] = { .type = NLA_REJECT },
+ [ETHTOOL_A_CABLE_TEST_TDR_HEADER] = { .type = NLA_NESTED },
+ [ETHTOOL_A_CABLE_TEST_TDR_CFG] = { .type = NLA_NESTED },
+};
+
+/* CABLE_TEST_TDR_ACT */
+static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
+ struct genl_info *info,
+ struct phy_tdr_config *cfg)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1];
+ int ret;
+
+ ret = nla_parse_nested(tb, ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX, nest,
+ cable_test_tdr_act_cfg_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST])
+ cfg->first = nla_get_u32(
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST]);
+ else
+ cfg->first = 100;
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST])
+ cfg->last = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST]);
+ else
+ cfg->last = MAX_CABLE_LENGTH_CM;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP])
+ cfg->step = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP]);
+ else
+ cfg->step = 100;
+
+ if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]) {
+ cfg->pair = nla_get_u8(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]);
+ if (cfg->pair > ETHTOOL_A_CABLE_PAIR_D) {
+ NL_SET_ERR_MSG_ATTR(
+ info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR],
+ "invalid pair parameter");
+ return -EINVAL;
+ }
+ } else {
+ cfg->pair = PHY_PAIR_ALL;
+ }
+
+ if (cfg->first > MAX_CABLE_LENGTH_CM) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST],
+ "invalid first parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->last > MAX_CABLE_LENGTH_CM) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST],
+ "invalid last parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->first > cfg->last) {
+ NL_SET_ERR_MSG(info->extack, "invalid first/last parameter");
+ return -EINVAL;
+ }
+
+ if (!cfg->step) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP],
+ "invalid step parameter");
+ return -EINVAL;
+ }
+
+ if (cfg->step > (cfg->last - cfg->first)) {
+ NL_SET_ERR_MSG_ATTR(info->extack,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP],
+ "step parameter too big");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
+{
+ struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_MAX + 1];
+ struct ethnl_req_info req_info = {};
+ struct phy_tdr_config cfg;
+ struct net_device *dev;
+ int ret;
+
+ ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
+ ETHTOOL_A_CABLE_TEST_TDR_MAX,
+ cable_test_tdr_act_policy, info->extack);
+ if (ret < 0)
+ return ret;
+
+ ret = ethnl_parse_header_dev_get(&req_info,
+ tb[ETHTOOL_A_CABLE_TEST_TDR_HEADER],
+ genl_info_net(info), info->extack,
+ true);
+ if (ret < 0)
+ return ret;
+
+ dev = req_info.dev;
+ if (!dev->phydev) {
+ ret = -EOPNOTSUPP;
+ goto out_dev_put;
+ }
+
+ ret = ethnl_act_cable_test_tdr_cfg(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG],
+ info, &cfg);
+ if (ret)
+ goto out_dev_put;
+
+ rtnl_lock();
+ ret = ethnl_ops_begin(dev);
+ if (ret < 0)
+ goto out_rtnl;
+
+ ret = phy_start_cable_test_tdr(dev->phydev, info->extack, &cfg);
+
+ ethnl_ops_complete(dev);
+
+ if (!ret)
+ ethnl_cable_test_started(dev->phydev,
+ ETHTOOL_MSG_CABLE_TEST_TDR_NTF);
+
+out_rtnl:
+ rtnl_unlock();
+out_dev_put:
+ dev_put(dev);
+ return ret;
+}
+
+int ethnl_cable_test_amplitude(struct phy_device *phydev,
+ u8 pair, s16 mV)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb,
+ ETHTOOL_A_CABLE_TDR_NEST_AMPLITUDE);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u8(phydev->skb, ETHTOOL_A_CABLE_AMPLITUDE_PAIR, pair))
+ goto err;
+ if (nla_put_u16(phydev->skb, ETHTOOL_A_CABLE_AMPLITUDE_mV, mV))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_amplitude);
+
+int ethnl_cable_test_pulse(struct phy_device *phydev, u16 mV)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_TDR_NEST_PULSE);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u16(phydev->skb, ETHTOOL_A_CABLE_PULSE_mV, mV))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_pulse);
+
+int ethnl_cable_test_step(struct phy_device *phydev, u32 first, u32 last,
+ u32 step)
+{
+ struct nlattr *nest;
+ int ret = -EMSGSIZE;
+
+ nest = nla_nest_start(phydev->skb, ETHTOOL_A_CABLE_TDR_NEST_STEP);
+ if (!nest)
+ return -EMSGSIZE;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_FIRST_DISTANCE,
+ first))
+ goto err;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_LAST_DISTANCE, last))
+ goto err;
+
+ if (nla_put_u32(phydev->skb, ETHTOOL_A_CABLE_STEP_STEP_DISTANCE, step))
+ goto err;
+
+ nla_nest_end(phydev->skb, nest);
+ return 0;
+
+err:
+ nla_nest_cancel(phydev->skb, nest);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(ethnl_cable_test_step);
diff --git a/net/ethtool/channels.c b/net/ethtool/channels.c
index 389924b65d05..9ef54cdcf662 100644
--- a/net/ethtool/channels.c
+++ b/net/ethtool/channels.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include "netlink.h"
#include "common.h"
@@ -129,13 +129,13 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
{
struct nlattr *tb[ETHTOOL_A_CHANNELS_MAX + 1];
unsigned int from_channel, old_total, i;
+ bool mod = false, mod_combined = false;
struct ethtool_channels channels = {};
struct ethnl_req_info req_info = {};
const struct nlattr *err_attr;
const struct ethtool_ops *ops;
struct net_device *dev;
u32 max_rx_in_use = 0;
- bool mod = false;
int ret;
ret = nlmsg_parse(info->nlhdr, GENL_HDRLEN, tb,
@@ -170,7 +170,8 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
ethnl_update_u32(&channels.other_count,
tb[ETHTOOL_A_CHANNELS_OTHER_COUNT], &mod);
ethnl_update_u32(&channels.combined_count,
- tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT], &mod);
+ tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT], &mod_combined);
+ mod |= mod_combined;
ret = 0;
if (!mod)
goto out_ops;
@@ -193,6 +194,21 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info)
goto out_ops;
}
+ /* ensure there is at least one RX and one TX channel */
+ if (!channels.combined_count && !channels.rx_count)
+ err_attr = tb[ETHTOOL_A_CHANNELS_RX_COUNT];
+ else if (!channels.combined_count && !channels.tx_count)
+ err_attr = tb[ETHTOOL_A_CHANNELS_TX_COUNT];
+ else
+ err_attr = NULL;
+ if (err_attr) {
+ if (mod_combined)
+ err_attr = tb[ETHTOOL_A_CHANNELS_COMBINED_COUNT];
+ ret = -EINVAL;
+ NL_SET_ERR_MSG_ATTR(info->extack, err_attr, "requested channel counts would result in no RX or TX channel being configured");
+ goto out_ops;
+ }
+
/* ensure the new Rx count fits within the configured Rx flow
* indirection table settings
*/
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 89d0b1827aaf..b5df90c981c2 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -17,7 +17,6 @@
#include <linux/phy.h>
#include <linux/bitops.h>
#include <linux/uaccess.h>
-#include <linux/vermagic.h>
#include <linux/vmalloc.h>
#include <linux/sfp.h>
#include <linux/slab.h>
@@ -25,10 +24,10 @@
#include <linux/sched/signal.h>
#include <linux/net.h>
#include <net/devlink.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/flow_offload.h>
#include <linux/ethtool_netlink.h>
-
+#include <generated/utsrelease.h>
#include "common.h"
/*
@@ -553,6 +552,8 @@ static int ethtool_get_link_ksettings(struct net_device *dev,
link_ksettings.base.cmd = ETHTOOL_GLINKSETTINGS;
link_ksettings.base.link_mode_masks_nwords
= __ETHTOOL_LINK_MODE_MASK_NU32;
+ link_ksettings.base.master_slave_cfg = MASTER_SLAVE_CFG_UNSUPPORTED;
+ link_ksettings.base.master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
return store_link_ksettings_for_user(useraddr, &link_ksettings);
}
@@ -590,6 +591,10 @@ static int ethtool_set_link_ksettings(struct net_device *dev,
!= link_ksettings.base.link_mode_masks_nwords)
return -EINVAL;
+ if (link_ksettings.base.master_slave_cfg ||
+ link_ksettings.base.master_slave_state)
+ return -EINVAL;
+
err = dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
if (err >= 0) {
ethtool_notify(dev, ETHTOOL_MSG_LINKINFO_NTF, NULL);
@@ -1505,11 +1510,14 @@ static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev,
void __user *useraddr)
{
struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
+ int ret;
if (!dev->ethtool_ops->get_coalesce)
return -EOPNOTSUPP;
- dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ ret = dev->ethtool_ops->get_coalesce(dev, &coalesce);
+ if (ret)
+ return ret;
if (copy_to_user(useraddr, &coalesce, sizeof(coalesce)))
return -EFAULT;
@@ -1664,6 +1672,12 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
dev->ethtool_ops->get_channels(dev, &curr);
+ if (channels.rx_count == curr.rx_count &&
+ channels.tx_count == curr.tx_count &&
+ channels.combined_count == curr.combined_count &&
+ channels.other_count == curr.other_count)
+ return 0;
+
/* ensure new counts are within the maximums */
if (channels.rx_count > curr.max_rx ||
channels.tx_count > curr.max_tx ||
@@ -1671,6 +1685,11 @@ static noinline_for_stack int ethtool_set_channels(struct net_device *dev,
channels.other_count > curr.max_other)
return -EINVAL;
+ /* ensure there is at least one RX and one TX channel */
+ if (!channels.combined_count &&
+ (!channels.rx_count || !channels.tx_count))
+ return -EINVAL;
+
/* ensure the new Rx count fits within the configured Rx flow
* indirection table settings */
if (netif_is_rxfh_configured(dev) &&
@@ -1746,7 +1765,9 @@ static int ethtool_self_test(struct net_device *dev, char __user *useraddr)
if (!data)
return -ENOMEM;
+ netif_testing_on(dev);
ops->self_test(dev, &test, data);
+ netif_testing_off(dev);
ret = -EFAULT;
if (copy_to_user(useraddr, &test, sizeof(test)))
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index 452608c6d856..fd4f3e58c6f6 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -27,6 +27,8 @@ linkmodes_get_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
static int linkmodes_prepare_data(const struct ethnl_req_info *req_base,
@@ -63,6 +65,7 @@ static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
{
const struct linkmodes_reply_data *data = LINKMODES_REPDATA(reply_base);
const struct ethtool_link_ksettings *ksettings = &data->ksettings;
+ const struct ethtool_link_settings *lsettings = &ksettings->base;
bool compact = req_base->flags & ETHTOOL_FLAG_COMPACT_BITSETS;
int len, ret;
@@ -86,6 +89,12 @@ static int linkmodes_reply_size(const struct ethnl_req_info *req_base,
len += ret;
}
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED)
+ len += nla_total_size(sizeof(u8));
+
return len;
}
@@ -122,6 +131,16 @@ static int linkmodes_fill_reply(struct sk_buff *skb,
nla_put_u8(skb, ETHTOOL_A_LINKMODES_DUPLEX, lsettings->duplex))
return -EMSGSIZE;
+ if (lsettings->master_slave_cfg != MASTER_SLAVE_CFG_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG,
+ lsettings->master_slave_cfg))
+ return -EMSGSIZE;
+
+ if (lsettings->master_slave_state != MASTER_SLAVE_STATE_UNSUPPORTED &&
+ nla_put_u8(skb, ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE,
+ lsettings->master_slave_state))
+ return -EMSGSIZE;
+
return 0;
}
@@ -249,6 +268,8 @@ linkmodes_set_policy[ETHTOOL_A_LINKMODES_MAX + 1] = {
[ETHTOOL_A_LINKMODES_PEER] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKMODES_SPEED] = { .type = NLA_U32 },
[ETHTOOL_A_LINKMODES_DUPLEX] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG] = { .type = NLA_U8 },
+ [ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE] = { .type = NLA_REJECT },
};
/* Set advertised link modes to all supported modes matching requested speed
@@ -287,14 +308,45 @@ static bool ethnl_auto_linkmodes(struct ethtool_link_ksettings *ksettings,
__ETHTOOL_LINK_MODE_MASK_NBITS);
}
+static bool ethnl_validate_master_slave_cfg(u8 cfg)
+{
+ switch (cfg) {
+ case MASTER_SLAVE_CFG_MASTER_PREFERRED:
+ case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+ case MASTER_SLAVE_CFG_MASTER_FORCE:
+ case MASTER_SLAVE_CFG_SLAVE_FORCE:
+ return true;
+ }
+
+ return false;
+}
+
static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
struct ethtool_link_ksettings *ksettings,
bool *mod)
{
struct ethtool_link_settings *lsettings = &ksettings->base;
bool req_speed, req_duplex;
+ const struct nlattr *master_slave_cfg;
int ret;
+ master_slave_cfg = tb[ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG];
+ if (master_slave_cfg) {
+ u8 cfg = nla_get_u8(master_slave_cfg);
+
+ if (lsettings->master_slave_cfg == MASTER_SLAVE_CFG_UNSUPPORTED) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave configuration not supported by device");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ethnl_validate_master_slave_cfg(cfg)) {
+ NL_SET_ERR_MSG_ATTR(info->extack, master_slave_cfg,
+ "master/slave value is invalid");
+ return -EOPNOTSUPP;
+ }
+ }
+
*mod = false;
req_speed = tb[ETHTOOL_A_LINKMODES_SPEED];
req_duplex = tb[ETHTOOL_A_LINKMODES_DUPLEX];
@@ -311,6 +363,7 @@ static int ethnl_update_linkmodes(struct genl_info *info, struct nlattr **tb,
mod);
ethnl_update_u8(&lsettings->duplex, tb[ETHTOOL_A_LINKMODES_DUPLEX],
mod);
+ ethnl_update_u8(&lsettings->master_slave_cfg, master_slave_cfg, mod);
if (!tb[ETHTOOL_A_LINKMODES_OURS] && lsettings->autoneg &&
(req_speed || req_duplex) &&
diff --git a/net/ethtool/linkstate.c b/net/ethtool/linkstate.c
index 2740cde0a182..7f47ba89054e 100644
--- a/net/ethtool/linkstate.c
+++ b/net/ethtool/linkstate.c
@@ -2,6 +2,7 @@
#include "netlink.h"
#include "common.h"
+#include <linux/phy.h>
struct linkstate_req_info {
struct ethnl_req_info base;
@@ -10,6 +11,8 @@ struct linkstate_req_info {
struct linkstate_reply_data {
struct ethnl_reply_data base;
int link;
+ int sqi;
+ int sqi_max;
};
#define LINKSTATE_REPDATA(__reply_base) \
@@ -20,8 +23,46 @@ linkstate_get_policy[ETHTOOL_A_LINKSTATE_MAX + 1] = {
[ETHTOOL_A_LINKSTATE_UNSPEC] = { .type = NLA_REJECT },
[ETHTOOL_A_LINKSTATE_HEADER] = { .type = NLA_NESTED },
[ETHTOOL_A_LINKSTATE_LINK] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_SQI] = { .type = NLA_REJECT },
+ [ETHTOOL_A_LINKSTATE_SQI_MAX] = { .type = NLA_REJECT },
};
+static int linkstate_get_sqi(struct net_device *dev)
+{
+ struct phy_device *phydev = dev->phydev;
+ int ret;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&phydev->lock);
+ if (!phydev->drv || !phydev->drv->get_sqi)
+ ret = -EOPNOTSUPP;
+ else
+ ret = phydev->drv->get_sqi(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
+static int linkstate_get_sqi_max(struct net_device *dev)
+{
+ struct phy_device *phydev = dev->phydev;
+ int ret;
+
+ if (!phydev)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&phydev->lock);
+ if (!phydev->drv || !phydev->drv->get_sqi_max)
+ ret = -EOPNOTSUPP;
+ else
+ ret = phydev->drv->get_sqi_max(phydev);
+ mutex_unlock(&phydev->lock);
+
+ return ret;
+}
+
static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
struct ethnl_reply_data *reply_base,
struct genl_info *info)
@@ -34,6 +75,19 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
if (ret < 0)
return ret;
data->link = __ethtool_get_link(dev);
+
+ ret = linkstate_get_sqi(dev);
+ if (ret < 0 && ret != -EOPNOTSUPP)
+ return ret;
+
+ data->sqi = ret;
+
+ ret = linkstate_get_sqi_max(dev);
+ if (ret < 0 && ret != -EOPNOTSUPP)
+ return ret;
+
+ data->sqi_max = ret;
+
ethnl_ops_complete(dev);
return 0;
@@ -42,8 +96,19 @@ static int linkstate_prepare_data(const struct ethnl_req_info *req_base,
static int linkstate_reply_size(const struct ethnl_req_info *req_base,
const struct ethnl_reply_data *reply_base)
{
- return nla_total_size(sizeof(u8)) /* LINKSTATE_LINK */
+ struct linkstate_reply_data *data = LINKSTATE_REPDATA(reply_base);
+ int len;
+
+ len = nla_total_size(sizeof(u8)) /* LINKSTATE_LINK */
+ 0;
+
+ if (data->sqi != -EOPNOTSUPP)
+ len += nla_total_size(sizeof(u32));
+
+ if (data->sqi_max != -EOPNOTSUPP)
+ len += nla_total_size(sizeof(u32));
+
+ return len;
}
static int linkstate_fill_reply(struct sk_buff *skb,
@@ -56,6 +121,14 @@ static int linkstate_fill_reply(struct sk_buff *skb,
nla_put_u8(skb, ETHTOOL_A_LINKSTATE_LINK, !!data->link))
return -EMSGSIZE;
+ if (data->sqi != -EOPNOTSUPP &&
+ nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI, data->sqi))
+ return -EMSGSIZE;
+
+ if (data->sqi_max != -EOPNOTSUPP &&
+ nla_put_u32(skb, ETHTOOL_A_LINKSTATE_SQI_MAX, data->sqi_max))
+ return -EMSGSIZE;
+
return 0;
}
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index 0c772318c023..88fd07f47040 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -181,13 +181,13 @@ err:
return NULL;
}
-static void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd)
+void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd)
{
return genlmsg_put(skb, 0, ++ethnl_bcast_seq, &ethtool_genl_family, 0,
cmd);
}
-static int ethnl_multicast(struct sk_buff *skb, struct net_device *dev)
+int ethnl_multicast(struct sk_buff *skb, struct net_device *dev)
{
return genlmsg_multicast_netns(&ethtool_genl_family, dev_net(dev), skb,
0, ETHNL_MCGRP_MONITOR, GFP_KERNEL);
@@ -342,7 +342,7 @@ static int ethnl_default_doit(struct sk_buff *skb, struct genl_info *info)
ret = ops->reply_size(req_info, reply_data);
if (ret < 0)
goto err_cleanup;
- reply_len = ret;
+ reply_len = ret + ethnl_reply_header_size();
ret = -ENOMEM;
rskb = ethnl_reply_init(reply_len, req_info->dev, ops->reply_cmd,
ops->hdr_attr, info, &reply_payload);
@@ -588,7 +588,7 @@ static void ethnl_default_notify(struct net_device *dev, unsigned int cmd,
ret = ops->reply_size(req_info, reply_data);
if (ret < 0)
goto err_cleanup;
- reply_len = ret;
+ reply_len = ret + ethnl_reply_header_size();
ret = -ENOMEM;
skb = genlmsg_new(reply_len, GFP_KERNEL);
if (!skb)
@@ -839,6 +839,16 @@ static const struct genl_ops ethtool_genl_ops[] = {
.dumpit = ethnl_default_dumpit,
.done = ethnl_default_done,
},
+ {
+ .cmd = ETHTOOL_MSG_CABLE_TEST_ACT,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .doit = ethnl_act_cable_test,
+ },
+ {
+ .cmd = ETHTOOL_MSG_CABLE_TEST_TDR_ACT,
+ .flags = GENL_UNS_ADMIN_PERM,
+ .doit = ethnl_act_cable_test_tdr,
+ },
};
static const struct genl_multicast_group ethtool_nl_mcgrps[] = {
diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h
index 81b8fa020bcb..9a96b6e90dc2 100644
--- a/net/ethtool/netlink.h
+++ b/net/ethtool/netlink.h
@@ -19,6 +19,8 @@ int ethnl_fill_reply_header(struct sk_buff *skb, struct net_device *dev,
struct sk_buff *ethnl_reply_init(size_t payload, struct net_device *dev, u8 cmd,
u16 hdr_attrtype, struct genl_info *info,
void **ehdrp);
+void *ethnl_bcastmsg_put(struct sk_buff *skb, u8 cmd);
+int ethnl_multicast(struct sk_buff *skb, struct net_device *dev);
/**
* ethnl_strz_size() - calculate attribute length for fixed size string
@@ -357,5 +359,7 @@ int ethnl_set_channels(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_coalesce(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_pause(struct sk_buff *skb, struct genl_info *info);
int ethnl_set_eee(struct sk_buff *skb, struct genl_info *info);
+int ethnl_act_cable_test(struct sk_buff *skb, struct genl_info *info);
+int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info);
#endif /* _NET_ETHTOOL_NETLINK_H */
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index 95eae5c68a52..0eed4e4909ab 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -324,7 +324,6 @@ static int strset_reply_size(const struct ethnl_req_info *req_base,
int len = 0;
int ret;
- len += ethnl_reply_header_size();
for (i = 0; i < ETH_SS_COUNT; i++) {
const struct strset_info *set_info = &data->sets[i];
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index fc7027314ad8..cd99f548e440 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -125,13 +125,11 @@ int hsr_get_max_mtu(struct hsr_priv *hsr)
static int hsr_dev_change_mtu(struct net_device *dev, int new_mtu)
{
struct hsr_priv *hsr;
- struct hsr_port *master;
hsr = netdev_priv(dev);
- master = hsr_port_get_hsr(hsr, HSR_PT_MASTER);
if (new_mtu > hsr_get_max_mtu(hsr)) {
- netdev_info(master->dev, "A HSR master's MTU cannot be greater than the smallest MTU of its slaves minus the HSR Tag length (%d octets).\n",
+ netdev_info(dev, "A HSR master's MTU cannot be greater than the smallest MTU of its slaves minus the HSR Tag length (%d octets).\n",
HSR_HLEN);
return -EINVAL;
}
diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c
index ddd9605bad04..ed13760463de 100644
--- a/net/hsr/hsr_forward.c
+++ b/net/hsr/hsr_forward.c
@@ -321,7 +321,7 @@ static int hsr_fill_frame_info(struct hsr_frame_info *frame,
if (ethhdr->h_proto == htons(ETH_P_8021Q)) {
frame->is_vlan = true;
/* FIXME: */
- WARN_ONCE(1, "HSR: VLAN not yet supported");
+ netdev_warn_once(skb->dev, "VLAN not yet supported");
}
if (ethhdr->h_proto == htons(ETH_P_PRP) ||
ethhdr->h_proto == htons(ETH_P_HSR)) {
diff --git a/net/hsr/hsr_main.c b/net/hsr/hsr_main.c
index 26d6c39f24e1..e2564de67603 100644
--- a/net/hsr/hsr_main.c
+++ b/net/hsr/hsr_main.c
@@ -15,12 +15,23 @@
#include "hsr_framereg.h"
#include "hsr_slave.h"
+static bool hsr_slave_empty(struct hsr_priv *hsr)
+{
+ struct hsr_port *port;
+
+ hsr_for_each_port(hsr, port)
+ if (port->type != HSR_PT_MASTER)
+ return false;
+ return true;
+}
+
static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event,
void *ptr)
{
- struct net_device *dev;
struct hsr_port *port, *master;
+ struct net_device *dev;
struct hsr_priv *hsr;
+ LIST_HEAD(list_kill);
int mtu_max;
int res;
@@ -85,8 +96,15 @@ static int hsr_netdev_notify(struct notifier_block *nb, unsigned long event,
master->dev->mtu = mtu_max;
break;
case NETDEV_UNREGISTER:
- if (!is_hsr_master(dev))
+ if (!is_hsr_master(dev)) {
+ master = hsr_port_get_hsr(port->hsr, HSR_PT_MASTER);
hsr_del_port(port);
+ if (hsr_slave_empty(master->hsr)) {
+ unregister_netdevice_queue(master->dev,
+ &list_kill);
+ unregister_netdevice_many(&list_kill);
+ }
+ }
break;
case NETDEV_PRE_TYPE_CHANGE:
/* HSR works only on Ethernet devices. Refuse slave to change
diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h
index 7321cf8d6d2c..f74193465bf5 100644
--- a/net/hsr/hsr_main.h
+++ b/net/hsr/hsr_main.h
@@ -62,15 +62,6 @@ struct hsr_tag {
* with the path field in-between, which seems strange. I'm guessing the MAC
* address definition is in error.
*/
-static inline u16 get_hsr_tag_path(struct hsr_tag *ht)
-{
- return ntohs(ht->path_and_LSDU_size) >> 12;
-}
-
-static inline u16 get_hsr_tag_LSDU_size(struct hsr_tag *ht)
-{
- return ntohs(ht->path_and_LSDU_size) & 0x0FFF;
-}
static inline void set_hsr_tag_path(struct hsr_tag *ht, u16 path)
{
@@ -103,16 +94,6 @@ struct hsr_sup_payload {
unsigned char macaddress_A[ETH_ALEN];
} __packed;
-static inline u16 get_hsr_stag_path(struct hsr_sup_tag *hst)
-{
- return get_hsr_tag_path((struct hsr_tag *)hst);
-}
-
-static inline u16 get_hsr_stag_HSR_ver(struct hsr_sup_tag *hst)
-{
- return get_hsr_tag_LSDU_size((struct hsr_tag *)hst);
-}
-
static inline void set_hsr_stag_path(struct hsr_sup_tag *hst, u16 path)
{
set_hsr_tag_path((struct hsr_tag *)hst, path);
diff --git a/net/hsr/hsr_slave.c b/net/hsr/hsr_slave.c
index f4b9f7a3ce51..25b6ffba26cd 100644
--- a/net/hsr/hsr_slave.c
+++ b/net/hsr/hsr_slave.c
@@ -18,7 +18,7 @@ static rx_handler_result_t hsr_handle_frame(struct sk_buff **pskb)
{
struct sk_buff *skb = *pskb;
struct hsr_port *port;
- u16 protocol;
+ __be16 protocol;
if (!skb_mac_header_was_set(skb)) {
WARN_ONCE(1, "%s: skb invalid", __func__);
diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c
index c0b107cdd715..3297e7fa9945 100644
--- a/net/ieee802154/6lowpan/core.c
+++ b/net/ieee802154/6lowpan/core.c
@@ -58,6 +58,13 @@ static const struct header_ops lowpan_header_ops = {
.create = lowpan_header_create,
};
+static int lowpan_dev_init(struct net_device *ldev)
+{
+ netdev_lockdep_set_classes(ldev);
+
+ return 0;
+}
+
static int lowpan_open(struct net_device *dev)
{
if (!open_count)
@@ -89,6 +96,7 @@ static int lowpan_get_iflink(const struct net_device *dev)
}
static const struct net_device_ops lowpan_netdev_ops = {
+ .ndo_init = lowpan_dev_init,
.ndo_start_xmit = lowpan_xmit,
.ndo_open = lowpan_open,
.ndo_stop = lowpan_stop,
diff --git a/net/ieee802154/6lowpan/rx.c b/net/ieee802154/6lowpan/rx.c
index ee179380a766..b34d050c9687 100644
--- a/net/ieee802154/6lowpan/rx.c
+++ b/net/ieee802154/6lowpan/rx.c
@@ -240,7 +240,7 @@ static inline bool lowpan_is_reserved(u8 dispatch)
return ((dispatch >= 0x44 && dispatch <= 0x4F) ||
(dispatch >= 0x51 && dispatch <= 0x5F) ||
(dispatch >= 0xc8 && dispatch <= 0xdf) ||
- (dispatch >= 0xe8 && dispatch <= 0xff));
+ dispatch >= 0xe8);
}
/* lowpan_rx_h_check checks on generic 6LoWPAN requirements
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 25a8888826b8..23ba5045e3d3 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -49,7 +49,7 @@ config IP_ADVANCED_ROUTER
Note that some distributions enable it in startup scripts.
For details about rp_filter strict and loose mode read
- <file:Documentation/networking/ip-sysctl.txt>.
+ <file:Documentation/networking/ip-sysctl.rst>.
If unsure, say N here.
@@ -384,6 +384,7 @@ config INET_ESPINTCP
depends on XFRM && INET_ESP
select STREAM_PARSER
select NET_SOCK_MSG
+ select XFRM_ESPINTCP
help
Support for RFC 8229 encapsulation of ESP and IKE over
TCP/IPv4 sockets.
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index cf58e29cf746..02aa5cb3a4fd 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -116,6 +116,7 @@
#include <linux/mroute.h>
#endif
#include <net/l3mdev.h>
+#include <net/compat.h>
#include <trace/events/sock.h>
@@ -450,12 +451,12 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (err)
return err;
- return __inet_bind(sk, uaddr, addr_len, false, true);
+ return __inet_bind(sk, uaddr, addr_len, BIND_WITH_LOCK);
}
EXPORT_SYMBOL(inet_bind);
int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
- bool force_bind_address_no_port, bool with_lock)
+ u32 flags)
{
struct sockaddr_in *addr = (struct sockaddr_in *)uaddr;
struct inet_sock *inet = inet_sk(sk);
@@ -506,7 +507,7 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
* would be illegal to use them (multicast/broadcast) in
* which case the sending device address is used.
*/
- if (with_lock)
+ if (flags & BIND_WITH_LOCK)
lock_sock(sk);
/* Check these errors (active socket, double bind). */
@@ -520,16 +521,18 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
/* Make sure we are allowed to bind here. */
if (snum || !(inet->bind_address_no_port ||
- force_bind_address_no_port)) {
+ (flags & BIND_FORCE_ADDRESS_NO_PORT))) {
if (sk->sk_prot->get_port(sk, snum)) {
inet->inet_saddr = inet->inet_rcv_saddr = 0;
err = -EADDRINUSE;
goto out_release_sock;
}
- err = BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk);
- if (err) {
- inet->inet_saddr = inet->inet_rcv_saddr = 0;
- goto out_release_sock;
+ if (!(flags & BIND_FROM_BPF)) {
+ err = BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk);
+ if (err) {
+ inet->inet_saddr = inet->inet_rcv_saddr = 0;
+ goto out_release_sock;
+ }
}
}
@@ -543,7 +546,7 @@ int __inet_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
sk_dst_reset(sk);
err = 0;
out_release_sock:
- if (with_lock)
+ if (flags & BIND_WITH_LOCK)
release_sock(sk);
out:
return err;
@@ -753,12 +756,11 @@ do_err:
}
EXPORT_SYMBOL(inet_accept);
-
/*
* This does both peername and sockname.
*/
int inet_getname(struct socket *sock, struct sockaddr *uaddr,
- int peer)
+ int peer)
{
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
@@ -779,6 +781,11 @@ int inet_getname(struct socket *sock, struct sockaddr *uaddr,
sin->sin_port = inet->inet_sport;
sin->sin_addr.s_addr = addr;
}
+ if (cgroup_bpf_enabled)
+ BPF_CGROUP_RUN_SA_PROG_LOCK(sk, (struct sockaddr *)sin,
+ peer ? BPF_CGROUP_INET4_GETPEERNAME :
+ BPF_CGROUP_INET4_GETSOCKNAME,
+ NULL);
memset(sin->sin_zero, 0, sizeof(sin->sin_zero));
return sizeof(*sin);
}
@@ -968,17 +975,42 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
EXPORT_SYMBOL(inet_ioctl);
#ifdef CONFIG_COMPAT
+static int inet_compat_routing_ioctl(struct sock *sk, unsigned int cmd,
+ struct compat_rtentry __user *ur)
+{
+ compat_uptr_t rtdev;
+ struct rtentry rt;
+
+ if (copy_from_user(&rt.rt_dst, &ur->rt_dst,
+ 3 * sizeof(struct sockaddr)) ||
+ get_user(rt.rt_flags, &ur->rt_flags) ||
+ get_user(rt.rt_metric, &ur->rt_metric) ||
+ get_user(rt.rt_mtu, &ur->rt_mtu) ||
+ get_user(rt.rt_window, &ur->rt_window) ||
+ get_user(rt.rt_irtt, &ur->rt_irtt) ||
+ get_user(rtdev, &ur->rt_dev))
+ return -EFAULT;
+
+ rt.rt_dev = compat_ptr(rtdev);
+ return ip_rt_ioctl(sock_net(sk), cmd, &rt);
+}
+
static int inet_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
+ void __user *argp = compat_ptr(arg);
struct sock *sk = sock->sk;
- int err = -ENOIOCTLCMD;
-
- if (sk->sk_prot->compat_ioctl)
- err = sk->sk_prot->compat_ioctl(sk, cmd, arg);
- return err;
+ switch (cmd) {
+ case SIOCADDRT:
+ case SIOCDELRT:
+ return inet_compat_routing_ioctl(sk, cmd, argp);
+ default:
+ if (!sk->sk_prot->compat_ioctl)
+ return -ENOIOCTLCMD;
+ return sk->sk_prot->compat_ioctl(sk, cmd, arg);
+ }
}
-#endif
+#endif /* CONFIG_COMPAT */
const struct proto_ops inet_stream_ops = {
.family = PF_INET,
@@ -1835,6 +1867,7 @@ static __net_init int inet_init_net(struct net *net)
net->ipv4.sysctl_ip_early_demux = 1;
net->ipv4.sysctl_udp_early_demux = 1;
net->ipv4.sysctl_tcp_early_demux = 1;
+ net->ipv4.sysctl_nexthop_compat_mode = 1;
#ifdef CONFIG_SYSCTL
net->ipv4.sysctl_ip_prot_sock = PROT_SOCK;
#endif
@@ -1914,7 +1947,7 @@ static int __init inet_init(void)
{
struct inet_protosw *q;
struct list_head *r;
- int rc = -EINVAL;
+ int rc;
sock_skb_cb_check_size(sizeof(struct inet_skb_parm));
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 0bd10a1f477f..a23094b050f8 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -1258,7 +1258,8 @@ static int cipso_v4_parsetag_rbm(const struct cipso_v4_doi *doi_def,
return ret_val;
}
- secattr->flags |= NETLBL_SECATTR_MLS_CAT;
+ if (secattr->attr.mls.cat)
+ secattr->flags |= NETLBL_SECATTR_MLS_CAT;
}
return 0;
@@ -1439,7 +1440,8 @@ static int cipso_v4_parsetag_rng(const struct cipso_v4_doi *doi_def,
return ret_val;
}
- secattr->flags |= NETLBL_SECATTR_MLS_CAT;
+ if (secattr->attr.mls.cat)
+ secattr->flags |= NETLBL_SECATTR_MLS_CAT;
}
return 0;
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index c0dd561aa190..123a6d39438f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -276,6 +276,7 @@ static struct in_device *inetdev_init(struct net_device *dev)
err = devinet_sysctl_register(in_dev);
if (err) {
in_dev->dead = 1;
+ neigh_parms_release(&arp_tbl, in_dev->arp_parms);
in_dev_put(in_dev);
in_dev = NULL;
goto out;
@@ -2366,8 +2367,7 @@ static int devinet_conf_ifindex(struct net *net, struct ipv4_devconf *cnf)
}
static int devinet_conf_proc(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int old_value = *(int *)ctl->data;
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
@@ -2419,8 +2419,7 @@ static int devinet_conf_proc(struct ctl_table *ctl, int write,
}
static int devinet_sysctl_forward(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
@@ -2463,8 +2462,7 @@ static int devinet_sysctl_forward(struct ctl_table *ctl, int write,
}
static int ipv4_doint_and_flush(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
@@ -2669,11 +2667,24 @@ static __net_init int devinet_init_net(struct net *net)
tbl[0].extra2 = net;
#endif
- if ((!IS_ENABLED(CONFIG_SYSCTL) ||
- sysctl_devconf_inherit_init_net != 2) &&
- !net_eq(net, &init_net)) {
- memcpy(all, init_net.ipv4.devconf_all, sizeof(ipv4_devconf));
- memcpy(dflt, init_net.ipv4.devconf_dflt, sizeof(ipv4_devconf_dflt));
+ if (!net_eq(net, &init_net)) {
+ if (IS_ENABLED(CONFIG_SYSCTL) &&
+ sysctl_devconf_inherit_init_net == 3) {
+ /* copy from the current netns */
+ memcpy(all, current->nsproxy->net_ns->ipv4.devconf_all,
+ sizeof(ipv4_devconf));
+ memcpy(dflt,
+ current->nsproxy->net_ns->ipv4.devconf_dflt,
+ sizeof(ipv4_devconf_dflt));
+ } else if (!IS_ENABLED(CONFIG_SYSCTL) ||
+ sysctl_devconf_inherit_init_net != 2) {
+ /* inherit == 0 or 1: copy from init_net */
+ memcpy(all, init_net.ipv4.devconf_all,
+ sizeof(ipv4_devconf));
+ memcpy(dflt, init_net.ipv4.devconf_dflt,
+ sizeof(ipv4_devconf_dflt));
+ }
+ /* else inherit == 2: use compiled values */
}
#ifdef CONFIG_SYSCTL
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 731022cff600..d14133eac476 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -63,10 +63,8 @@ static struct sk_buff *esp4_gro_receive(struct list_head *head,
sp->olen++;
xo = xfrm_offload(skb);
- if (!xo) {
- xfrm_state_put(x);
+ if (!xo)
goto out_reset;
- }
}
xo->flags |= XFRM_GRO;
@@ -139,19 +137,27 @@ static struct sk_buff *xfrm4_beet_gso_segment(struct xfrm_state *x,
struct xfrm_offload *xo = xfrm_offload(skb);
struct sk_buff *segs = ERR_PTR(-EINVAL);
const struct net_offload *ops;
- int proto = xo->proto;
+ u8 proto = xo->proto;
skb->transport_header += x->props.header_len;
- if (proto == IPPROTO_BEETPH) {
- struct ip_beet_phdr *ph = (struct ip_beet_phdr *)skb->data;
+ if (x->sel.family != AF_INET6) {
+ if (proto == IPPROTO_BEETPH) {
+ struct ip_beet_phdr *ph =
+ (struct ip_beet_phdr *)skb->data;
+
+ skb->transport_header += ph->hdrlen * 8;
+ proto = ph->nexthdr;
+ } else {
+ skb->transport_header -= IPV4_BEET_PHMAXLEN;
+ }
+ } else {
+ __be16 frag;
- skb->transport_header += ph->hdrlen * 8;
- proto = ph->nexthdr;
- } else if (x->sel.family != AF_INET6) {
- skb->transport_header -= IPV4_BEET_PHMAXLEN;
- } else if (proto == IPPROTO_TCP) {
- skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV4;
+ skb->transport_header +=
+ ipv6_skip_exthdr(skb, 0, &proto, &frag);
+ if (proto == IPPROTO_TCP)
+ skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV4;
}
__skb_pull(skb, skb_transport_offset(skb));
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 213be9c050ad..41079490a118 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -309,17 +309,18 @@ bool fib_info_nh_uses_dev(struct fib_info *fi, const struct net_device *dev)
{
bool dev_match = false;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
- int ret;
+ if (unlikely(fi->nh)) {
+ dev_match = nexthop_uses_dev(fi->nh, dev);
+ } else {
+ int ret;
- for (ret = 0; ret < fib_info_num_path(fi); ret++) {
- const struct fib_nh_common *nhc = fib_info_nhc(fi, ret);
+ for (ret = 0; ret < fib_info_num_path(fi); ret++) {
+ const struct fib_nh_common *nhc = fib_info_nhc(fi, ret);
- if (nhc->nhc_dev == dev) {
- dev_match = true;
- break;
- } else if (l3mdev_master_ifindex_rcu(nhc->nhc_dev) == dev->ifindex) {
- dev_match = true;
- break;
+ if (nhc_l3mdev_matches_dev(nhc, dev)) {
+ dev_match = true;
+ break;
+ }
}
}
#else
@@ -918,7 +919,6 @@ int ip_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh,
else
filter->dump_exceptions = false;
- filter->dump_all_families = (rtm->rtm_family == AF_UNSPEC);
filter->flags = rtm->rtm_flags;
filter->protocol = rtm->rtm_protocol;
filter->rt_type = rtm->rtm_type;
@@ -990,7 +990,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
if (filter.table_id) {
tb = fib_get_table(net, filter.table_id);
if (!tb) {
- if (filter.dump_all_families)
+ if (rtnl_msg_family(cb->nlh) != PF_INET)
return skb->len;
NL_SET_ERR_MSG(cb->extack, "ipv4: FIB table does not exist");
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 6ed8c9317179..e53871e4a097 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -1780,6 +1780,8 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
goto nla_put_failure;
if (nexthop_is_blackhole(fi->nh))
rtm->rtm_type = RTN_BLACKHOLE;
+ if (!fi->fib_net->ipv4.sysctl_nexthop_compat_mode)
+ goto offload;
}
if (nhs == 1) {
@@ -1805,6 +1807,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
goto nla_put_failure;
}
+offload:
if (fri->offload)
rtm->rtm_flags |= RTM_F_OFFLOAD;
if (fri->trap)
@@ -2014,7 +2017,7 @@ static void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
hlist_for_each_entry_rcu(fa, fa_head, fa_list) {
struct fib_info *next_fi = fa->fa_info;
- struct fib_nh *nh;
+ struct fib_nh_common *nhc;
if (fa->fa_slen != slen)
continue;
@@ -2037,8 +2040,8 @@ static void fib_select_default(const struct flowi4 *flp, struct fib_result *res)
fa->fa_type != RTN_UNICAST)
continue;
- nh = fib_info_nh(next_fi, 0);
- if (!nh->fib_nh_gw4 || nh->fib_nh_scope != RT_SCOPE_LINK)
+ nhc = fib_info_nhc(next_fi, 0);
+ if (!nhc->nhc_gw_family || nhc->nhc_scope != RT_SCOPE_LINK)
continue;
fib_alias_accessed(fa);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 4f334b425538..248f1c1959a6 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1371,6 +1371,26 @@ static inline t_key prefix_mismatch(t_key key, struct key_vector *n)
return (key ^ prefix) & (prefix | -prefix);
}
+bool fib_lookup_good_nhc(const struct fib_nh_common *nhc, int fib_flags,
+ const struct flowi4 *flp)
+{
+ if (nhc->nhc_flags & RTNH_F_DEAD)
+ return false;
+
+ if (ip_ignore_linkdown(nhc->nhc_dev) &&
+ nhc->nhc_flags & RTNH_F_LINKDOWN &&
+ !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE))
+ return false;
+
+ if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) {
+ if (flp->flowi4_oif &&
+ flp->flowi4_oif != nhc->nhc_oif)
+ return false;
+ }
+
+ return true;
+}
+
/* should be called with rcu_read_lock */
int fib_table_lookup(struct fib_table *tb, const struct flowi4 *flp,
struct fib_result *res, int fib_flags)
@@ -1503,6 +1523,7 @@ found:
/* Step 3: Process the leaf, if that fails fall back to backtracing */
hlist_for_each_entry_rcu(fa, &n->leaf, fa_list) {
struct fib_info *fi = fa->fa_info;
+ struct fib_nh_common *nhc;
int nhsel, err;
if ((BITS_PER_LONG > KEYLENGTH) || (fa->fa_slen < KEYLENGTH)) {
@@ -1528,26 +1549,25 @@ out_reject:
if (fi->fib_flags & RTNH_F_DEAD)
continue;
- if (unlikely(fi->nh && nexthop_is_blackhole(fi->nh))) {
- err = fib_props[RTN_BLACKHOLE].error;
- goto out_reject;
+ if (unlikely(fi->nh)) {
+ if (nexthop_is_blackhole(fi->nh)) {
+ err = fib_props[RTN_BLACKHOLE].error;
+ goto out_reject;
+ }
+
+ nhc = nexthop_get_nhc_lookup(fi->nh, fib_flags, flp,
+ &nhsel);
+ if (nhc)
+ goto set_result;
+ goto miss;
}
for (nhsel = 0; nhsel < fib_info_num_path(fi); nhsel++) {
- struct fib_nh_common *nhc = fib_info_nhc(fi, nhsel);
+ nhc = fib_info_nhc(fi, nhsel);
- if (nhc->nhc_flags & RTNH_F_DEAD)
+ if (!fib_lookup_good_nhc(nhc, fib_flags, flp))
continue;
- if (ip_ignore_linkdown(nhc->nhc_dev) &&
- nhc->nhc_flags & RTNH_F_LINKDOWN &&
- !(fib_flags & FIB_LOOKUP_IGNORE_LINKSTATE))
- continue;
- if (!(flp->flowi4_flags & FLOWI_FLAG_SKIP_NH_OIF)) {
- if (flp->flowi4_oif &&
- flp->flowi4_oif != nhc->nhc_oif)
- continue;
- }
-
+set_result:
if (!(fib_flags & FIB_LOOKUP_NOREF))
refcount_inc(&fi->fib_clntref);
@@ -1568,6 +1588,7 @@ out_reject:
return err;
}
}
+miss:
#ifdef CONFIG_IP_FIB_TRIE_STATS
this_cpu_inc(stats->semantic_match_miss);
#endif
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index fc61f51d87a3..956a806649f7 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -853,7 +853,7 @@ static bool icmp_unreach(struct sk_buff *skb)
case ICMP_FRAG_NEEDED:
/* for documentation of the ip_no_pmtu_disc
* values please see
- * Documentation/networking/ip-sysctl.txt
+ * Documentation/networking/ip-sysctl.rst
*/
switch (net->ipv4.sysctl_ip_no_pmtu_disc) {
default:
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 47f0502b2101..7b272bbed2b4 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -2565,9 +2565,9 @@ done:
}
int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
- struct group_filter __user *optval, int __user *optlen)
+ struct sockaddr_storage __user *p)
{
- int err, i, count, copycount;
+ int i, count, copycount;
struct sockaddr_in *psin;
__be32 addr;
struct ip_mc_socklist *pmc;
@@ -2583,37 +2583,29 @@ int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
if (!ipv4_is_multicast(addr))
return -EINVAL;
- err = -EADDRNOTAVAIL;
-
for_each_pmc_rtnl(inet, pmc) {
if (pmc->multi.imr_multiaddr.s_addr == addr &&
pmc->multi.imr_ifindex == gsf->gf_interface)
break;
}
if (!pmc) /* must have a prior join */
- goto done;
+ return -EADDRNOTAVAIL;
gsf->gf_fmode = pmc->sfmode;
psl = rtnl_dereference(pmc->sflist);
count = psl ? psl->sl_count : 0;
copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
gsf->gf_numsrc = count;
- if (put_user(GROUP_FILTER_SIZE(copycount), optlen) ||
- copy_to_user(optval, gsf, GROUP_FILTER_SIZE(0))) {
- return -EFAULT;
- }
- for (i = 0; i < copycount; i++) {
+ for (i = 0; i < copycount; i++, p++) {
struct sockaddr_storage ss;
psin = (struct sockaddr_in *)&ss;
memset(&ss, 0, sizeof(ss));
psin->sin_family = AF_INET;
psin->sin_addr.s_addr = psl->sl_addr[i];
- if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
+ if (copy_to_user(p, &ss, sizeof(ss)))
return -EFAULT;
}
return 0;
-done:
- return err;
}
/*
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 5f34eb951627..f40b1b72f979 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -24,17 +24,19 @@
#include <net/addrconf.h>
#if IS_ENABLED(CONFIG_IPV6)
-/* match_wildcard == true: IPV6_ADDR_ANY equals to any IPv6 addresses if IPv6
- * only, and any IPv4 addresses if not IPv6 only
- * match_wildcard == false: addresses must be exactly the same, i.e.
- * IPV6_ADDR_ANY only equals to IPV6_ADDR_ANY,
- * and 0.0.0.0 equals to 0.0.0.0 only
+/* match_sk*_wildcard == true: IPV6_ADDR_ANY equals to any IPv6 addresses
+ * if IPv6 only, and any IPv4 addresses
+ * if not IPv6 only
+ * match_sk*_wildcard == false: addresses must be exactly the same, i.e.
+ * IPV6_ADDR_ANY only equals to IPV6_ADDR_ANY,
+ * and 0.0.0.0 equals to 0.0.0.0 only
*/
static bool ipv6_rcv_saddr_equal(const struct in6_addr *sk1_rcv_saddr6,
const struct in6_addr *sk2_rcv_saddr6,
__be32 sk1_rcv_saddr, __be32 sk2_rcv_saddr,
bool sk1_ipv6only, bool sk2_ipv6only,
- bool match_wildcard)
+ bool match_sk1_wildcard,
+ bool match_sk2_wildcard)
{
int addr_type = ipv6_addr_type(sk1_rcv_saddr6);
int addr_type2 = sk2_rcv_saddr6 ? ipv6_addr_type(sk2_rcv_saddr6) : IPV6_ADDR_MAPPED;
@@ -44,8 +46,8 @@ static bool ipv6_rcv_saddr_equal(const struct in6_addr *sk1_rcv_saddr6,
if (!sk2_ipv6only) {
if (sk1_rcv_saddr == sk2_rcv_saddr)
return true;
- if (!sk1_rcv_saddr || !sk2_rcv_saddr)
- return match_wildcard;
+ return (match_sk1_wildcard && !sk1_rcv_saddr) ||
+ (match_sk2_wildcard && !sk2_rcv_saddr);
}
return false;
}
@@ -53,11 +55,11 @@ static bool ipv6_rcv_saddr_equal(const struct in6_addr *sk1_rcv_saddr6,
if (addr_type == IPV6_ADDR_ANY && addr_type2 == IPV6_ADDR_ANY)
return true;
- if (addr_type2 == IPV6_ADDR_ANY && match_wildcard &&
+ if (addr_type2 == IPV6_ADDR_ANY && match_sk2_wildcard &&
!(sk2_ipv6only && addr_type == IPV6_ADDR_MAPPED))
return true;
- if (addr_type == IPV6_ADDR_ANY && match_wildcard &&
+ if (addr_type == IPV6_ADDR_ANY && match_sk1_wildcard &&
!(sk1_ipv6only && addr_type2 == IPV6_ADDR_MAPPED))
return true;
@@ -69,18 +71,19 @@ static bool ipv6_rcv_saddr_equal(const struct in6_addr *sk1_rcv_saddr6,
}
#endif
-/* match_wildcard == true: 0.0.0.0 equals to any IPv4 addresses
- * match_wildcard == false: addresses must be exactly the same, i.e.
- * 0.0.0.0 only equals to 0.0.0.0
+/* match_sk*_wildcard == true: 0.0.0.0 equals to any IPv4 addresses
+ * match_sk*_wildcard == false: addresses must be exactly the same, i.e.
+ * 0.0.0.0 only equals to 0.0.0.0
*/
static bool ipv4_rcv_saddr_equal(__be32 sk1_rcv_saddr, __be32 sk2_rcv_saddr,
- bool sk2_ipv6only, bool match_wildcard)
+ bool sk2_ipv6only, bool match_sk1_wildcard,
+ bool match_sk2_wildcard)
{
if (!sk2_ipv6only) {
if (sk1_rcv_saddr == sk2_rcv_saddr)
return true;
- if (!sk1_rcv_saddr || !sk2_rcv_saddr)
- return match_wildcard;
+ return (match_sk1_wildcard && !sk1_rcv_saddr) ||
+ (match_sk2_wildcard && !sk2_rcv_saddr);
}
return false;
}
@@ -96,10 +99,12 @@ bool inet_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2,
sk2->sk_rcv_saddr,
ipv6_only_sock(sk),
ipv6_only_sock(sk2),
+ match_wildcard,
match_wildcard);
#endif
return ipv4_rcv_saddr_equal(sk->sk_rcv_saddr, sk2->sk_rcv_saddr,
- ipv6_only_sock(sk2), match_wildcard);
+ ipv6_only_sock(sk2), match_wildcard,
+ match_wildcard);
}
EXPORT_SYMBOL(inet_rcv_saddr_equal);
@@ -285,10 +290,10 @@ static inline int sk_reuseport_match(struct inet_bind_bucket *tb,
tb->fast_rcv_saddr,
sk->sk_rcv_saddr,
tb->fast_ipv6_only,
- ipv6_only_sock(sk), true);
+ ipv6_only_sock(sk), true, false);
#endif
return ipv4_rcv_saddr_equal(tb->fast_rcv_saddr, sk->sk_rcv_saddr,
- ipv6_only_sock(sk), true);
+ ipv6_only_sock(sk), true, false);
}
/* Obtain a reference to a local port for the given sock,
@@ -896,11 +901,7 @@ void inet_csk_prepare_forced_close(struct sock *sk)
/* sk_clone_lock locked the socket and set refcnt to 2 */
bh_unlock_sock(sk);
sock_put(sk);
-
- /* The below has to be done to allow calling inet_csk_destroy_sock */
- sock_set_flag(sk, SOCK_DEAD);
- percpu_counter_inc(sk->sk_prot->orphan_count);
- inet_sk(sk)->inet_num = 0;
+ inet_csk_prepare_for_destroy_sock(sk);
}
EXPORT_SYMBOL(inet_csk_prepare_forced_close);
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 5d50aad3cdbf..125f4f8a36b4 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -43,6 +43,9 @@ struct inet_diag_entry {
u16 userlocks;
u32 ifindex;
u32 mark;
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ u64 cgroup_id;
+#endif
};
static DEFINE_MUTEX(inet_diag_table_mutex);
@@ -162,6 +165,13 @@ int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
goto errout;
}
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ if (nla_put_u64_64bit(skb, INET_DIAG_CGROUP_ID,
+ cgroup_id(sock_cgroup_ptr(&sk->sk_cgrp_data)),
+ INET_DIAG_PAD))
+ goto errout;
+#endif
+
r->idiag_uid = from_kuid_munged(user_ns, sock_i_uid(sk));
r->idiag_inode = sock_i_ino(sk);
@@ -675,6 +685,16 @@ static int inet_diag_bc_run(const struct nlattr *_bc,
yes = 0;
break;
}
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ case INET_DIAG_BC_CGROUP_COND: {
+ u64 cgroup_id;
+
+ cgroup_id = get_unaligned((const u64 *)(op + 1));
+ if (cgroup_id != entry->cgroup_id)
+ yes = 0;
+ break;
+ }
+#endif
}
if (yes) {
@@ -725,6 +745,10 @@ int inet_diag_bc_sk(const struct nlattr *bc, struct sock *sk)
entry.mark = inet_rsk(inet_reqsk(sk))->ir_mark;
else
entry.mark = 0;
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ entry.cgroup_id = sk_fullsock(sk) ?
+ cgroup_id(sock_cgroup_ptr(&sk->sk_cgrp_data)) : 0;
+#endif
return inet_diag_bc_run(bc, &entry);
}
@@ -814,6 +838,15 @@ static bool valid_markcond(const struct inet_diag_bc_op *op, int len,
return len >= *min_len;
}
+#ifdef CONFIG_SOCK_CGROUP_DATA
+static bool valid_cgroupcond(const struct inet_diag_bc_op *op, int len,
+ int *min_len)
+{
+ *min_len += sizeof(u64);
+ return len >= *min_len;
+}
+#endif
+
static int inet_diag_bc_audit(const struct nlattr *attr,
const struct sk_buff *skb)
{
@@ -856,6 +889,12 @@ static int inet_diag_bc_audit(const struct nlattr *attr,
if (!valid_markcond(bc, len, &min_len))
return -EINVAL;
break;
+#ifdef CONFIG_SOCK_CGROUP_DATA
+ case INET_DIAG_BC_CGROUP_COND:
+ if (!valid_cgroupcond(bc, len, &min_len))
+ return -EINVAL;
+ break;
+#endif
case INET_DIAG_BC_AUTO:
case INET_DIAG_BC_JMP:
case INET_DIAG_BC_NOP:
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 029b24eeafba..4e31f23e4117 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -248,6 +248,15 @@ static void gre_err(struct sk_buff *skb, u32 info)
ipgre_err(skb, info, &tpi);
}
+static bool is_erspan_type1(int gre_hdr_len)
+{
+ /* Both ERSPAN type I (version 0) and type II (version 1) use
+ * protocol 0x88BE, but the type I has only 4-byte GRE header,
+ * while type II has 8-byte.
+ */
+ return gre_hdr_len == 4;
+}
+
static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
int gre_hdr_len)
{
@@ -262,17 +271,26 @@ static int erspan_rcv(struct sk_buff *skb, struct tnl_ptk_info *tpi,
int len;
itn = net_generic(net, erspan_net_id);
-
iph = ip_hdr(skb);
- ershdr = (struct erspan_base_hdr *)(skb->data + gre_hdr_len);
- ver = ershdr->ver;
-
- tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,
- tpi->flags | TUNNEL_KEY,
- iph->saddr, iph->daddr, tpi->key);
+ if (is_erspan_type1(gre_hdr_len)) {
+ ver = 0;
+ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,
+ tpi->flags | TUNNEL_NO_KEY,
+ iph->saddr, iph->daddr, 0);
+ } else {
+ ershdr = (struct erspan_base_hdr *)(skb->data + gre_hdr_len);
+ ver = ershdr->ver;
+ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex,
+ tpi->flags | TUNNEL_KEY,
+ iph->saddr, iph->daddr, tpi->key);
+ }
if (tunnel) {
- len = gre_hdr_len + erspan_hdr_len(ver);
+ if (is_erspan_type1(gre_hdr_len))
+ len = gre_hdr_len;
+ else
+ len = gre_hdr_len + erspan_hdr_len(ver);
+
if (unlikely(!pskb_may_pull(skb, len)))
return PACKET_REJECT;
@@ -665,7 +683,10 @@ static netdev_tx_t erspan_xmit(struct sk_buff *skb,
}
/* Push ERSPAN header */
- if (tunnel->erspan_ver == 1) {
+ if (tunnel->erspan_ver == 0) {
+ proto = htons(ETH_P_ERSPAN);
+ tunnel->parms.o_flags &= ~TUNNEL_SEQ;
+ } else if (tunnel->erspan_ver == 1) {
erspan_build_header(skb, ntohl(tunnel->parms.o_key),
tunnel->index,
truncate, true);
@@ -747,45 +768,37 @@ static void ipgre_link_update(struct net_device *dev, bool set_mtu)
}
}
-static int ipgre_tunnel_ioctl(struct net_device *dev,
- struct ifreq *ifr, int cmd)
+static int ipgre_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p,
+ int cmd)
{
- struct ip_tunnel_parm p;
int err;
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
- return -EFAULT;
-
if (cmd == SIOCADDTUNNEL || cmd == SIOCCHGTUNNEL) {
- if (p.iph.version != 4 || p.iph.protocol != IPPROTO_GRE ||
- p.iph.ihl != 5 || (p.iph.frag_off & htons(~IP_DF)) ||
- ((p.i_flags | p.o_flags) & (GRE_VERSION | GRE_ROUTING)))
+ if (p->iph.version != 4 || p->iph.protocol != IPPROTO_GRE ||
+ p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF)) ||
+ ((p->i_flags | p->o_flags) & (GRE_VERSION | GRE_ROUTING)))
return -EINVAL;
}
- p.i_flags = gre_flags_to_tnl_flags(p.i_flags);
- p.o_flags = gre_flags_to_tnl_flags(p.o_flags);
+ p->i_flags = gre_flags_to_tnl_flags(p->i_flags);
+ p->o_flags = gre_flags_to_tnl_flags(p->o_flags);
- err = ip_tunnel_ioctl(dev, &p, cmd);
+ err = ip_tunnel_ctl(dev, p, cmd);
if (err)
return err;
if (cmd == SIOCCHGTUNNEL) {
struct ip_tunnel *t = netdev_priv(dev);
- t->parms.i_flags = p.i_flags;
- t->parms.o_flags = p.o_flags;
+ t->parms.i_flags = p->i_flags;
+ t->parms.o_flags = p->o_flags;
if (strcmp(dev->rtnl_link_ops->kind, "erspan"))
ipgre_link_update(dev, true);
}
- p.i_flags = gre_tnl_flags_to_gre_flags(p.i_flags);
- p.o_flags = gre_tnl_flags_to_gre_flags(p.o_flags);
-
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
- return -EFAULT;
-
+ p->i_flags = gre_tnl_flags_to_gre_flags(p->i_flags);
+ p->o_flags = gre_tnl_flags_to_gre_flags(p->o_flags);
return 0;
}
@@ -903,10 +916,11 @@ static const struct net_device_ops ipgre_netdev_ops = {
.ndo_stop = ipgre_close,
#endif
.ndo_start_xmit = ipgre_xmit,
- .ndo_do_ioctl = ipgre_tunnel_ioctl,
+ .ndo_do_ioctl = ip_tunnel_ioctl,
.ndo_change_mtu = ip_tunnel_change_mtu,
.ndo_get_stats64 = ip_tunnel_get_stats64,
.ndo_get_iflink = ip_tunnel_get_iflink,
+ .ndo_tunnel_ctl = ipgre_tunnel_ctl,
};
#define GRE_FEATURES (NETIF_F_SG | \
@@ -1066,7 +1080,11 @@ static int erspan_validate(struct nlattr *tb[], struct nlattr *data[],
if (ret)
return ret;
- /* ERSPAN should only have GRE sequence and key flag */
+ if (data[IFLA_GRE_ERSPAN_VER] &&
+ nla_get_u8(data[IFLA_GRE_ERSPAN_VER]) == 0)
+ return 0;
+
+ /* ERSPAN type II/III should only have GRE sequence and key flag */
if (data[IFLA_GRE_OFLAGS])
flags |= nla_get_be16(data[IFLA_GRE_OFLAGS]);
if (data[IFLA_GRE_IFLAGS])
@@ -1174,7 +1192,7 @@ static int erspan_netlink_parms(struct net_device *dev,
if (data[IFLA_GRE_ERSPAN_VER]) {
t->erspan_ver = nla_get_u8(data[IFLA_GRE_ERSPAN_VER]);
- if (t->erspan_ver != 1 && t->erspan_ver != 2)
+ if (t->erspan_ver > 2)
return -EINVAL;
}
@@ -1259,7 +1277,11 @@ static int erspan_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
- tunnel->tun_hlen = 8;
+ if (tunnel->erspan_ver == 0)
+ tunnel->tun_hlen = 4; /* 4-byte GRE hdr. */
+ else
+ tunnel->tun_hlen = 8; /* 8-byte GRE hdr. */
+
tunnel->parms.iph.protocol = IPPROTO_GRE;
tunnel->hlen = tunnel->tun_hlen + tunnel->encap_hlen +
erspan_hdr_len(tunnel->erspan_ver);
@@ -1456,8 +1478,8 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
struct ip_tunnel_parm *p = &t->parms;
__be16 o_flags = p->o_flags;
- if (t->erspan_ver == 1 || t->erspan_ver == 2) {
- if (!t->collect_md)
+ if (t->erspan_ver <= 2) {
+ if (t->erspan_ver != 0 && !t->collect_md)
o_flags |= TUNNEL_KEY;
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_VER, t->erspan_ver))
@@ -1466,7 +1488,7 @@ static int ipgre_fill_info(struct sk_buff *skb, const struct net_device *dev)
if (t->erspan_ver == 1) {
if (nla_put_u32(skb, IFLA_GRE_ERSPAN_INDEX, t->index))
goto nla_put_failure;
- } else {
+ } else if (t->erspan_ver == 2) {
if (nla_put_u8(skb, IFLA_GRE_ERSPAN_DIR, t->dir))
goto nla_put_failure;
if (nla_put_u16(skb, IFLA_GRE_ERSPAN_HWID, t->hwid))
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index aa3fd61818c4..84ec3703c909 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -560,6 +560,61 @@ out:
return err;
}
+static void __ip_sock_set_tos(struct sock *sk, int val)
+{
+ if (sk->sk_type == SOCK_STREAM) {
+ val &= ~INET_ECN_MASK;
+ val |= inet_sk(sk)->tos & INET_ECN_MASK;
+ }
+ if (inet_sk(sk)->tos != val) {
+ inet_sk(sk)->tos = val;
+ sk->sk_priority = rt_tos2priority(val);
+ sk_dst_reset(sk);
+ }
+}
+
+void ip_sock_set_tos(struct sock *sk, int val)
+{
+ lock_sock(sk);
+ __ip_sock_set_tos(sk, val);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(ip_sock_set_tos);
+
+void ip_sock_set_freebind(struct sock *sk)
+{
+ lock_sock(sk);
+ inet_sk(sk)->freebind = true;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(ip_sock_set_freebind);
+
+void ip_sock_set_recverr(struct sock *sk)
+{
+ lock_sock(sk);
+ inet_sk(sk)->recverr = true;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(ip_sock_set_recverr);
+
+int ip_sock_set_mtu_discover(struct sock *sk, int val)
+{
+ if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_OMIT)
+ return -EINVAL;
+ lock_sock(sk);
+ inet_sk(sk)->pmtudisc = val;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(ip_sock_set_mtu_discover);
+
+void ip_sock_set_pktinfo(struct sock *sk)
+{
+ lock_sock(sk);
+ inet_sk(sk)->cmsg_flags |= IP_CMSG_PKTINFO;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(ip_sock_set_pktinfo);
/*
* Socket option code for IP. This is the end of the line after any
@@ -587,6 +642,86 @@ static bool setsockopt_needs_rtnl(int optname)
return false;
}
+static int set_mcast_msfilter(struct sock *sk, int ifindex,
+ int numsrc, int fmode,
+ struct sockaddr_storage *group,
+ struct sockaddr_storage *list)
+{
+ int msize = IP_MSFILTER_SIZE(numsrc);
+ struct ip_msfilter *msf;
+ struct sockaddr_in *psin;
+ int err, i;
+
+ msf = kmalloc(msize, GFP_KERNEL);
+ if (!msf)
+ return -ENOBUFS;
+
+ psin = (struct sockaddr_in *)group;
+ if (psin->sin_family != AF_INET)
+ goto Eaddrnotavail;
+ msf->imsf_multiaddr = psin->sin_addr.s_addr;
+ msf->imsf_interface = 0;
+ msf->imsf_fmode = fmode;
+ msf->imsf_numsrc = numsrc;
+ for (i = 0; i < numsrc; ++i) {
+ psin = (struct sockaddr_in *)&list[i];
+
+ if (psin->sin_family != AF_INET)
+ goto Eaddrnotavail;
+ msf->imsf_slist[i] = psin->sin_addr.s_addr;
+ }
+ err = ip_mc_msfilter(sk, msf, ifindex);
+ kfree(msf);
+ return err;
+
+Eaddrnotavail:
+ kfree(msf);
+ return -EADDRNOTAVAIL;
+}
+
+static int do_mcast_group_source(struct sock *sk, int optname,
+ struct group_source_req *greqs)
+{
+ struct ip_mreq_source mreqs;
+ struct sockaddr_in *psin;
+ int omode, add, err;
+
+ if (greqs->gsr_group.ss_family != AF_INET ||
+ greqs->gsr_source.ss_family != AF_INET)
+ return -EADDRNOTAVAIL;
+
+ psin = (struct sockaddr_in *)&greqs->gsr_group;
+ mreqs.imr_multiaddr = psin->sin_addr.s_addr;
+ psin = (struct sockaddr_in *)&greqs->gsr_source;
+ mreqs.imr_sourceaddr = psin->sin_addr.s_addr;
+ mreqs.imr_interface = 0; /* use index for mc_source */
+
+ if (optname == MCAST_BLOCK_SOURCE) {
+ omode = MCAST_EXCLUDE;
+ add = 1;
+ } else if (optname == MCAST_UNBLOCK_SOURCE) {
+ omode = MCAST_EXCLUDE;
+ add = 0;
+ } else if (optname == MCAST_JOIN_SOURCE_GROUP) {
+ struct ip_mreqn mreq;
+
+ psin = (struct sockaddr_in *)&greqs->gsr_group;
+ mreq.imr_multiaddr = psin->sin_addr;
+ mreq.imr_address.s_addr = 0;
+ mreq.imr_ifindex = greqs->gsr_interface;
+ err = ip_mc_join_group_ssm(sk, &mreq, MCAST_INCLUDE);
+ if (err && err != -EADDRINUSE)
+ return err;
+ greqs->gsr_interface = mreq.imr_ifindex;
+ omode = MCAST_INCLUDE;
+ add = 1;
+ } else /* MCAST_LEAVE_SOURCE_GROUP */ {
+ omode = MCAST_INCLUDE;
+ add = 0;
+ }
+ return ip_mc_source(add, omode, sk, &mreqs, greqs->gsr_interface);
+}
+
static int do_ip_setsockopt(struct sock *sk, int level,
int optname, char __user *optval, unsigned int optlen)
{
@@ -743,15 +878,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
inet->cmsg_flags &= ~IP_CMSG_RECVFRAGSIZE;
break;
case IP_TOS: /* This sets both TOS and Precedence */
- if (sk->sk_type == SOCK_STREAM) {
- val &= ~INET_ECN_MASK;
- val |= inet->tos & INET_ECN_MASK;
- }
- if (inet->tos != val) {
- inet->tos = val;
- sk->sk_priority = rt_tos2priority(val);
- sk_dst_reset(sk);
- }
+ __ip_sock_set_tos(sk, val);
break;
case IP_TTL:
if (optlen < 1)
@@ -1029,9 +1156,6 @@ static int do_ip_setsockopt(struct sock *sk, int level,
case MCAST_UNBLOCK_SOURCE:
{
struct group_source_req greqs;
- struct ip_mreq_source mreqs;
- struct sockaddr_in *psin;
- int omode, add;
if (optlen != sizeof(struct group_source_req))
goto e_inval;
@@ -1039,50 +1163,12 @@ static int do_ip_setsockopt(struct sock *sk, int level,
err = -EFAULT;
break;
}
- if (greqs.gsr_group.ss_family != AF_INET ||
- greqs.gsr_source.ss_family != AF_INET) {
- err = -EADDRNOTAVAIL;
- break;
- }
- psin = (struct sockaddr_in *)&greqs.gsr_group;
- mreqs.imr_multiaddr = psin->sin_addr.s_addr;
- psin = (struct sockaddr_in *)&greqs.gsr_source;
- mreqs.imr_sourceaddr = psin->sin_addr.s_addr;
- mreqs.imr_interface = 0; /* use index for mc_source */
-
- if (optname == MCAST_BLOCK_SOURCE) {
- omode = MCAST_EXCLUDE;
- add = 1;
- } else if (optname == MCAST_UNBLOCK_SOURCE) {
- omode = MCAST_EXCLUDE;
- add = 0;
- } else if (optname == MCAST_JOIN_SOURCE_GROUP) {
- struct ip_mreqn mreq;
-
- psin = (struct sockaddr_in *)&greqs.gsr_group;
- mreq.imr_multiaddr = psin->sin_addr;
- mreq.imr_address.s_addr = 0;
- mreq.imr_ifindex = greqs.gsr_interface;
- err = ip_mc_join_group_ssm(sk, &mreq, MCAST_INCLUDE);
- if (err && err != -EADDRINUSE)
- break;
- greqs.gsr_interface = mreq.imr_ifindex;
- omode = MCAST_INCLUDE;
- add = 1;
- } else /* MCAST_LEAVE_SOURCE_GROUP */ {
- omode = MCAST_INCLUDE;
- add = 0;
- }
- err = ip_mc_source(add, omode, sk, &mreqs,
- greqs.gsr_interface);
+ err = do_mcast_group_source(sk, optname, &greqs);
break;
}
case MCAST_MSFILTER:
{
- struct sockaddr_in *psin;
- struct ip_msfilter *msf = NULL;
struct group_filter *gsf = NULL;
- int msize, i, ifindex;
if (optlen < GROUP_FILTER_SIZE(0))
goto e_inval;
@@ -1095,7 +1181,6 @@ static int do_ip_setsockopt(struct sock *sk, int level,
err = PTR_ERR(gsf);
break;
}
-
/* numsrc >= (4G-140)/128 overflow in 32 bits */
if (gsf->gf_numsrc >= 0x1ffffff ||
gsf->gf_numsrc > net->ipv4.sysctl_igmp_max_msf) {
@@ -1106,36 +1191,10 @@ static int do_ip_setsockopt(struct sock *sk, int level,
err = -EINVAL;
goto mc_msf_out;
}
- msize = IP_MSFILTER_SIZE(gsf->gf_numsrc);
- msf = kmalloc(msize, GFP_KERNEL);
- if (!msf) {
- err = -ENOBUFS;
- goto mc_msf_out;
- }
- ifindex = gsf->gf_interface;
- psin = (struct sockaddr_in *)&gsf->gf_group;
- if (psin->sin_family != AF_INET) {
- err = -EADDRNOTAVAIL;
- goto mc_msf_out;
- }
- msf->imsf_multiaddr = psin->sin_addr.s_addr;
- msf->imsf_interface = 0;
- msf->imsf_fmode = gsf->gf_fmode;
- msf->imsf_numsrc = gsf->gf_numsrc;
- err = -EADDRNOTAVAIL;
- for (i = 0; i < gsf->gf_numsrc; ++i) {
- psin = (struct sockaddr_in *)&gsf->gf_slist[i];
-
- if (psin->sin_family != AF_INET)
- goto mc_msf_out;
- msf->imsf_slist[i] = psin->sin_addr.s_addr;
- }
- kfree(gsf);
- gsf = NULL;
-
- err = ip_mc_msfilter(sk, msf, ifindex);
+ err = set_mcast_msfilter(sk, gsf->gf_interface,
+ gsf->gf_numsrc, gsf->gf_fmode,
+ &gsf->gf_group, gsf->gf_slist);
mc_msf_out:
- kfree(msf);
kfree(gsf);
break;
}
@@ -1272,9 +1331,113 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname,
if (level != SOL_IP)
return -ENOPROTOOPT;
- if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
- return compat_mc_setsockopt(sk, level, optname, optval, optlen,
- ip_setsockopt);
+ switch (optname) {
+ case MCAST_JOIN_GROUP:
+ case MCAST_LEAVE_GROUP:
+ {
+ struct compat_group_req __user *gr32 = (void __user *)optval;
+ struct group_req greq;
+ struct sockaddr_in *psin = (struct sockaddr_in *)&greq.gr_group;
+ struct ip_mreqn mreq;
+
+ if (optlen < sizeof(struct compat_group_req))
+ return -EINVAL;
+
+ if (get_user(greq.gr_interface, &gr32->gr_interface) ||
+ copy_from_user(&greq.gr_group, &gr32->gr_group,
+ sizeof(greq.gr_group)))
+ return -EFAULT;
+
+ if (psin->sin_family != AF_INET)
+ return -EINVAL;
+
+ memset(&mreq, 0, sizeof(mreq));
+ mreq.imr_multiaddr = psin->sin_addr;
+ mreq.imr_ifindex = greq.gr_interface;
+
+ rtnl_lock();
+ lock_sock(sk);
+ if (optname == MCAST_JOIN_GROUP)
+ err = ip_mc_join_group(sk, &mreq);
+ else
+ err = ip_mc_leave_group(sk, &mreq);
+ release_sock(sk);
+ rtnl_unlock();
+ return err;
+ }
+ case MCAST_JOIN_SOURCE_GROUP:
+ case MCAST_LEAVE_SOURCE_GROUP:
+ case MCAST_BLOCK_SOURCE:
+ case MCAST_UNBLOCK_SOURCE:
+ {
+ struct compat_group_source_req __user *gsr32 = (void __user *)optval;
+ struct group_source_req greqs;
+
+ if (optlen != sizeof(struct compat_group_source_req))
+ return -EINVAL;
+
+ if (get_user(greqs.gsr_interface, &gsr32->gsr_interface) ||
+ copy_from_user(&greqs.gsr_group, &gsr32->gsr_group,
+ sizeof(greqs.gsr_group)) ||
+ copy_from_user(&greqs.gsr_source, &gsr32->gsr_source,
+ sizeof(greqs.gsr_source)))
+ return -EFAULT;
+
+ rtnl_lock();
+ lock_sock(sk);
+ err = do_mcast_group_source(sk, optname, &greqs);
+ release_sock(sk);
+ rtnl_unlock();
+ return err;
+ }
+ case MCAST_MSFILTER:
+ {
+ const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ struct compat_group_filter *gf32;
+ unsigned int n;
+ void *p;
+
+ if (optlen < size0)
+ return -EINVAL;
+ if (optlen > sysctl_optmem_max - 4)
+ return -ENOBUFS;
+
+ p = kmalloc(optlen + 4, GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ gf32 = p + 4; /* we want ->gf_group and ->gf_slist aligned */
+ if (copy_from_user(gf32, optval, optlen)) {
+ err = -EFAULT;
+ goto mc_msf_out;
+ }
+
+ n = gf32->gf_numsrc;
+ /* numsrc >= (4G-140)/128 overflow in 32 bits */
+ if (n >= 0x1ffffff) {
+ err = -ENOBUFS;
+ goto mc_msf_out;
+ }
+ if (offsetof(struct compat_group_filter, gf_slist[n]) > optlen) {
+ err = -EINVAL;
+ goto mc_msf_out;
+ }
+
+ rtnl_lock();
+ lock_sock(sk);
+ /* numsrc >= (4G-140)/128 overflow in 32 bits */
+ if (n > sock_net(sk)->ipv4.sysctl_igmp_max_msf)
+ err = -ENOBUFS;
+ else
+ err = set_mcast_msfilter(sk, gf32->gf_interface,
+ n, gf32->gf_fmode,
+ &gf32->gf_group, gf32->gf_slist);
+ release_sock(sk);
+ rtnl_unlock();
+mc_msf_out:
+ kfree(p);
+ return err;
+ }
+ }
err = do_ip_setsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
@@ -1465,19 +1628,28 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
}
case MCAST_MSFILTER:
{
+ struct group_filter __user *p = (void __user *)optval;
struct group_filter gsf;
+ const int size0 = offsetof(struct group_filter, gf_slist);
+ int num;
- if (len < GROUP_FILTER_SIZE(0)) {
+ if (len < size0) {
err = -EINVAL;
goto out;
}
- if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0))) {
+ if (copy_from_user(&gsf, p, size0)) {
err = -EFAULT;
goto out;
}
- err = ip_mc_gsfget(sk, &gsf,
- (struct group_filter __user *)optval,
- optlen);
+ num = gsf.gf_numsrc;
+ err = ip_mc_gsfget(sk, &gsf, p->gf_slist);
+ if (err)
+ goto out;
+ if (gsf.gf_numsrc < num)
+ num = gsf.gf_numsrc;
+ if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+ copy_to_user(p, &gsf, size0))
+ err = -EFAULT;
goto out;
}
case IP_MULTICAST_ALL:
@@ -1492,7 +1664,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
if (sk->sk_type != SOCK_STREAM)
return -ENOPROTOOPT;
- msg.msg_control = (__force void *) optval;
+ msg.msg_control_is_user = true;
+ msg.msg_control_user = optval;
msg.msg_controllen = len;
msg.msg_flags = flags;
@@ -1589,9 +1762,47 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
{
int err;
- if (optname == MCAST_MSFILTER)
- return compat_mc_getsockopt(sk, level, optname, optval, optlen,
- ip_getsockopt);
+ if (optname == MCAST_MSFILTER) {
+ const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ struct compat_group_filter __user *p = (void __user *)optval;
+ struct compat_group_filter gf32;
+ struct group_filter gf;
+ int ulen, err;
+ int num;
+
+ if (level != SOL_IP)
+ return -EOPNOTSUPP;
+
+ if (get_user(ulen, optlen))
+ return -EFAULT;
+
+ if (ulen < size0)
+ return -EINVAL;
+
+ if (copy_from_user(&gf32, p, size0))
+ return -EFAULT;
+
+ gf.gf_interface = gf32.gf_interface;
+ gf.gf_fmode = gf32.gf_fmode;
+ num = gf.gf_numsrc = gf32.gf_numsrc;
+ gf.gf_group = gf32.gf_group;
+
+ rtnl_lock();
+ lock_sock(sk);
+ err = ip_mc_gsfget(sk, &gf, p->gf_slist);
+ release_sock(sk);
+ rtnl_unlock();
+ if (err)
+ return err;
+ if (gf.gf_numsrc < num)
+ num = gf.gf_numsrc;
+ ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf) - sizeof(gf32));
+ if (put_user(ulen, optlen) ||
+ put_user(gf.gf_fmode, &p->gf_fmode) ||
+ put_user(gf.gf_numsrc, &p->gf_numsrc))
+ return -EFAULT;
+ return 0;
+ }
err = do_ip_getsockopt(sk, level, optname, optval, optlen,
MSG_CMSG_COMPAT);
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index cd4b84310d92..f4f1d11eab50 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -860,7 +860,7 @@ static void ip_tunnel_update(struct ip_tunnel_net *itn,
netdev_state_change(dev);
}
-int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
+int ip_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
{
int err = 0;
struct ip_tunnel *t = netdev_priv(dev);
@@ -960,6 +960,20 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
done:
return err;
}
+EXPORT_SYMBOL_GPL(ip_tunnel_ctl);
+
+int ip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct ip_tunnel_parm p;
+ int err;
+
+ if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
+ return -EFAULT;
+ err = dev->netdev_ops->ndo_tunnel_ctl(dev, &p, cmd);
+ if (!err && copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
+ return -EFAULT;
+ return err;
+}
EXPORT_SYMBOL_GPL(ip_tunnel_ioctl);
int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict)
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 1b4e6f298648..1d9c8cff5ac3 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -93,7 +93,28 @@ static int vti_rcv_proto(struct sk_buff *skb)
static int vti_rcv_tunnel(struct sk_buff *skb)
{
- return vti_rcv(skb, ip_hdr(skb)->saddr, true);
+ struct ip_tunnel_net *itn = net_generic(dev_net(skb->dev), vti_net_id);
+ const struct iphdr *iph = ip_hdr(skb);
+ struct ip_tunnel *tunnel;
+
+ tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
+ iph->saddr, iph->daddr, 0);
+ if (tunnel) {
+ struct tnl_ptk_info tpi = {
+ .proto = htons(ETH_P_IP),
+ };
+
+ if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
+ goto drop;
+ if (iptunnel_pull_header(skb, 0, tpi.proto, false))
+ goto drop;
+ return ip_tunnel_rcv(tunnel, skb, &tpi, NULL, false);
+ }
+
+ return -EINVAL;
+drop:
+ kfree_skb(skb);
+ return 0;
}
static int vti_rcv_cb(struct sk_buff *skb, int err)
@@ -378,38 +399,31 @@ static int vti4_err(struct sk_buff *skb, u32 info)
}
static int
-vti_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+vti_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
{
int err = 0;
- struct ip_tunnel_parm p;
-
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
- return -EFAULT;
if (cmd == SIOCADDTUNNEL || cmd == SIOCCHGTUNNEL) {
- if (p.iph.version != 4 || p.iph.protocol != IPPROTO_IPIP ||
- p.iph.ihl != 5)
+ if (p->iph.version != 4 || p->iph.protocol != IPPROTO_IPIP ||
+ p->iph.ihl != 5)
return -EINVAL;
}
- if (!(p.i_flags & GRE_KEY))
- p.i_key = 0;
- if (!(p.o_flags & GRE_KEY))
- p.o_key = 0;
+ if (!(p->i_flags & GRE_KEY))
+ p->i_key = 0;
+ if (!(p->o_flags & GRE_KEY))
+ p->o_key = 0;
- p.i_flags = VTI_ISVTI;
+ p->i_flags = VTI_ISVTI;
- err = ip_tunnel_ioctl(dev, &p, cmd);
+ err = ip_tunnel_ctl(dev, p, cmd);
if (err)
return err;
if (cmd != SIOCDELTUNNEL) {
- p.i_flags |= GRE_KEY;
- p.o_flags |= GRE_KEY;
+ p->i_flags |= GRE_KEY;
+ p->o_flags |= GRE_KEY;
}
-
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
- return -EFAULT;
return 0;
}
@@ -417,10 +431,11 @@ static const struct net_device_ops vti_netdev_ops = {
.ndo_init = vti_tunnel_init,
.ndo_uninit = ip_tunnel_uninit,
.ndo_start_xmit = vti_tunnel_xmit,
- .ndo_do_ioctl = vti_tunnel_ioctl,
+ .ndo_do_ioctl = ip_tunnel_ioctl,
.ndo_change_mtu = ip_tunnel_change_mtu,
.ndo_get_stats64 = ip_tunnel_get_stats64,
.ndo_get_iflink = ip_tunnel_get_iflink,
+ .ndo_tunnel_ctl = vti_tunnel_ctl,
};
static void vti_tunnel_setup(struct net_device *dev)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 2f01cf6fa0de..40fea52c8277 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -327,41 +327,29 @@ static bool ipip_tunnel_ioctl_verify_protocol(u8 ipproto)
}
static int
-ipip_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+ipip_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
{
- int err = 0;
- struct ip_tunnel_parm p;
-
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
- return -EFAULT;
-
if (cmd == SIOCADDTUNNEL || cmd == SIOCCHGTUNNEL) {
- if (p.iph.version != 4 ||
- !ipip_tunnel_ioctl_verify_protocol(p.iph.protocol) ||
- p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))
+ if (p->iph.version != 4 ||
+ !ipip_tunnel_ioctl_verify_protocol(p->iph.protocol) ||
+ p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF)))
return -EINVAL;
}
- p.i_key = p.o_key = 0;
- p.i_flags = p.o_flags = 0;
- err = ip_tunnel_ioctl(dev, &p, cmd);
- if (err)
- return err;
-
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
- return -EFAULT;
-
- return 0;
+ p->i_key = p->o_key = 0;
+ p->i_flags = p->o_flags = 0;
+ return ip_tunnel_ctl(dev, p, cmd);
}
static const struct net_device_ops ipip_netdev_ops = {
.ndo_init = ipip_tunnel_init,
.ndo_uninit = ip_tunnel_uninit,
.ndo_start_xmit = ipip_tunnel_xmit,
- .ndo_do_ioctl = ipip_tunnel_ioctl,
+ .ndo_do_ioctl = ip_tunnel_ioctl,
.ndo_change_mtu = ip_tunnel_change_mtu,
.ndo_get_stats64 = ip_tunnel_get_stats64,
.ndo_get_iflink = ip_tunnel_get_iflink,
+ .ndo_tunnel_ctl = ipip_tunnel_ctl,
};
#define IPIP_FEATURES (NETIF_F_SG | \
@@ -698,7 +686,7 @@ out:
rtnl_link_failed:
#if IS_ENABLED(CONFIG_MPLS)
- xfrm4_tunnel_deregister(&mplsip_handler, AF_INET);
+ xfrm4_tunnel_deregister(&mplsip_handler, AF_MPLS);
xfrm_tunnel_mplsip_failed:
#endif
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9cf83cc85e4a..f5c7a58844a4 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -109,8 +109,10 @@ static void mroute_clean_tables(struct mr_table *mrt, int flags);
static void ipmr_expire_process(struct timer_list *t);
#ifdef CONFIG_IP_MROUTE_MULTIPLE_TABLES
-#define ipmr_for_each_table(mrt, net) \
- list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list)
+#define ipmr_for_each_table(mrt, net) \
+ list_for_each_entry_rcu(mrt, &net->ipv4.mr_tables, list, \
+ lockdep_rtnl_is_held() || \
+ list_empty(&net->ipv4.mr_tables))
static struct mr_table *ipmr_mr_table_iter(struct net *net,
struct mr_table *mrt)
@@ -419,37 +421,6 @@ static void ipmr_free_table(struct mr_table *mrt)
/* Service routines creating virtual interfaces: DVMRP tunnels and PIMREG */
-static void ipmr_del_tunnel(struct net_device *dev, struct vifctl *v)
-{
- struct net *net = dev_net(dev);
-
- dev_close(dev);
-
- dev = __dev_get_by_name(net, "tunl0");
- if (dev) {
- const struct net_device_ops *ops = dev->netdev_ops;
- struct ifreq ifr;
- struct ip_tunnel_parm p;
-
- memset(&p, 0, sizeof(p));
- p.iph.daddr = v->vifc_rmt_addr.s_addr;
- p.iph.saddr = v->vifc_lcl_addr.s_addr;
- p.iph.version = 4;
- p.iph.ihl = 5;
- p.iph.protocol = IPPROTO_IPIP;
- sprintf(p.name, "dvmrp%d", v->vifc_vifi);
- ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
-
- if (ops->ndo_do_ioctl) {
- mm_segment_t oldfs = get_fs();
-
- set_fs(KERNEL_DS);
- ops->ndo_do_ioctl(dev, &ifr, SIOCDELTUNNEL);
- set_fs(oldfs);
- }
- }
-}
-
/* Initialize ipmr pimreg/tunnel in_device */
static bool ipmr_init_vif_indev(const struct net_device *dev)
{
@@ -469,51 +440,52 @@ static bool ipmr_init_vif_indev(const struct net_device *dev)
static struct net_device *ipmr_new_tunnel(struct net *net, struct vifctl *v)
{
- struct net_device *dev;
-
- dev = __dev_get_by_name(net, "tunl0");
+ struct net_device *tunnel_dev, *new_dev;
+ struct ip_tunnel_parm p = { };
+ int err;
- if (dev) {
- const struct net_device_ops *ops = dev->netdev_ops;
- int err;
- struct ifreq ifr;
- struct ip_tunnel_parm p;
+ tunnel_dev = __dev_get_by_name(net, "tunl0");
+ if (!tunnel_dev)
+ goto out;
- memset(&p, 0, sizeof(p));
- p.iph.daddr = v->vifc_rmt_addr.s_addr;
- p.iph.saddr = v->vifc_lcl_addr.s_addr;
- p.iph.version = 4;
- p.iph.ihl = 5;
- p.iph.protocol = IPPROTO_IPIP;
- sprintf(p.name, "dvmrp%d", v->vifc_vifi);
- ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
+ p.iph.daddr = v->vifc_rmt_addr.s_addr;
+ p.iph.saddr = v->vifc_lcl_addr.s_addr;
+ p.iph.version = 4;
+ p.iph.ihl = 5;
+ p.iph.protocol = IPPROTO_IPIP;
+ sprintf(p.name, "dvmrp%d", v->vifc_vifi);
- if (ops->ndo_do_ioctl) {
- mm_segment_t oldfs = get_fs();
+ if (!tunnel_dev->netdev_ops->ndo_tunnel_ctl)
+ goto out;
+ err = tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p,
+ SIOCADDTUNNEL);
+ if (err)
+ goto out;
- set_fs(KERNEL_DS);
- err = ops->ndo_do_ioctl(dev, &ifr, SIOCADDTUNNEL);
- set_fs(oldfs);
- } else {
- err = -EOPNOTSUPP;
- }
- dev = NULL;
-
- if (err == 0 &&
- (dev = __dev_get_by_name(net, p.name)) != NULL) {
- dev->flags |= IFF_MULTICAST;
- if (!ipmr_init_vif_indev(dev))
- goto failure;
- if (dev_open(dev, NULL))
- goto failure;
- dev_hold(dev);
- }
- }
- return dev;
+ new_dev = __dev_get_by_name(net, p.name);
+ if (!new_dev)
+ goto out;
-failure:
- unregister_netdevice(dev);
- return NULL;
+ new_dev->flags |= IFF_MULTICAST;
+ if (!ipmr_init_vif_indev(new_dev))
+ goto out_unregister;
+ if (dev_open(new_dev, NULL))
+ goto out_unregister;
+ dev_hold(new_dev);
+ err = dev_set_allmulti(new_dev, 1);
+ if (err) {
+ dev_close(new_dev);
+ tunnel_dev->netdev_ops->ndo_tunnel_ctl(tunnel_dev, &p,
+ SIOCDELTUNNEL);
+ dev_put(new_dev);
+ new_dev = ERR_PTR(err);
+ }
+ return new_dev;
+
+out_unregister:
+ unregister_netdevice(new_dev);
+out:
+ return ERR_PTR(-ENOBUFS);
}
#if defined(CONFIG_IP_PIMSM_V1) || defined(CONFIG_IP_PIMSM_V2)
@@ -865,14 +837,8 @@ static int vif_add(struct net *net, struct mr_table *mrt,
break;
case VIFF_TUNNEL:
dev = ipmr_new_tunnel(net, vifc);
- if (!dev)
- return -ENOBUFS;
- err = dev_set_allmulti(dev, 1);
- if (err) {
- ipmr_del_tunnel(dev, vifc);
- dev_put(dev);
- return err;
- }
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
break;
case VIFF_USE_IFINDEX:
case 0:
@@ -2611,7 +2577,7 @@ static int ipmr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb)
mrt = ipmr_get_table(sock_net(skb->sk), filter.table_id);
if (!mrt) {
- if (filter.dump_all_families)
+ if (rtnl_msg_family(cb->nlh) != RTNL_FAMILY_IPMR)
return skb->len;
NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist");
diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index 3c25a467b3ef..7afde8828b4c 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -166,8 +166,7 @@ pptp_outbound_pkt(struct sk_buff *skb,
break;
default:
pr_debug("unknown outbound packet 0x%04x:%s\n", msg,
- msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] :
- pptp_msg_name[0]);
+ pptp_msg_name(msg));
fallthrough;
case PPTP_SET_LINK_INFO:
/* only need to NAT in case PAC is behind NAT box */
@@ -268,9 +267,7 @@ pptp_inbound_pkt(struct sk_buff *skb,
pcid_off = offsetof(union pptp_ctrl_union, setlink.peersCallID);
break;
default:
- pr_debug("unknown inbound packet %s\n",
- msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] :
- pptp_msg_name[0]);
+ pr_debug("unknown inbound packet %s\n", pptp_msg_name(msg));
fallthrough;
case PPTP_START_SESSION_REQUEST:
case PPTP_START_SESSION_REPLY:
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index fdfca534d094..400a9f89ebdb 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -33,8 +33,20 @@ static const struct nla_policy rtm_nh_policy[NHA_MAX + 1] = {
[NHA_ENCAP] = { .type = NLA_NESTED },
[NHA_GROUPS] = { .type = NLA_FLAG },
[NHA_MASTER] = { .type = NLA_U32 },
+ [NHA_FDB] = { .type = NLA_FLAG },
};
+static int call_nexthop_notifiers(struct net *net,
+ enum nexthop_event_type event_type,
+ struct nexthop *nh)
+{
+ int err;
+
+ err = atomic_notifier_call_chain(&net->nexthop.notifier_chain,
+ event_type, nh);
+ return notifier_to_errno(err);
+}
+
static unsigned int nh_dev_hashfn(unsigned int val)
{
unsigned int mask = NH_DEV_HASHSIZE - 1;
@@ -63,9 +75,16 @@ static void nexthop_free_mpath(struct nexthop *nh)
int i;
nhg = rcu_dereference_raw(nh->nh_grp);
- for (i = 0; i < nhg->num_nh; ++i)
- WARN_ON(nhg->nh_entries[i].nh);
+ for (i = 0; i < nhg->num_nh; ++i) {
+ struct nh_grp_entry *nhge = &nhg->nh_entries[i];
+
+ WARN_ON(!list_empty(&nhge->nh_list));
+ nexthop_put(nhge->nh);
+ }
+
+ WARN_ON(nhg->spare == nhg);
+ kfree(nhg->spare);
kfree(nhg);
}
@@ -107,6 +126,7 @@ static struct nexthop *nexthop_alloc(void)
INIT_LIST_HEAD(&nh->fi_list);
INIT_LIST_HEAD(&nh->f6i_list);
INIT_LIST_HEAD(&nh->grp_list);
+ INIT_LIST_HEAD(&nh->fdb_list);
}
return nh;
}
@@ -227,6 +247,9 @@ static int nh_fill_node(struct sk_buff *skb, struct nexthop *nh,
if (nla_put_u32(skb, NHA_ID, nh->id))
goto nla_put_failure;
+ if (nh->is_fdb_nh && nla_put_flag(skb, NHA_FDB))
+ goto nla_put_failure;
+
if (nh->is_group) {
struct nh_group *nhg = rtnl_dereference(nh->nh_grp);
@@ -241,7 +264,7 @@ static int nh_fill_node(struct sk_buff *skb, struct nexthop *nh,
if (nla_put_flag(skb, NHA_BLACKHOLE))
goto nla_put_failure;
goto out;
- } else {
+ } else if (!nh->is_fdb_nh) {
const struct net_device *dev;
dev = nhi->fib_nhc.nhc_dev;
@@ -276,6 +299,7 @@ out:
return 0;
nla_put_failure:
+ nlmsg_cancel(skb, nlh);
return -EMSGSIZE;
}
@@ -387,12 +411,35 @@ static bool valid_group_nh(struct nexthop *nh, unsigned int npaths,
return true;
}
+static int nh_check_attr_fdb_group(struct nexthop *nh, u8 *nh_family,
+ struct netlink_ext_ack *extack)
+{
+ struct nh_info *nhi;
+
+ if (!nh->is_fdb_nh) {
+ NL_SET_ERR_MSG(extack, "FDB nexthop group can only have fdb nexthops");
+ return -EINVAL;
+ }
+
+ nhi = rtnl_dereference(nh->nh_info);
+ if (*nh_family == AF_UNSPEC) {
+ *nh_family = nhi->family;
+ } else if (*nh_family != nhi->family) {
+ NL_SET_ERR_MSG(extack, "FDB nexthop group cannot have mixed family nexthops");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int nh_check_attr_group(struct net *net, struct nlattr *tb[],
struct netlink_ext_ack *extack)
{
unsigned int len = nla_len(tb[NHA_GROUP]);
+ u8 nh_family = AF_UNSPEC;
struct nexthop_grp *nhg;
unsigned int i, j;
+ u8 nhg_fdb = 0;
if (len & (sizeof(struct nexthop_grp) - 1)) {
NL_SET_ERR_MSG(extack,
@@ -421,6 +468,8 @@ static int nh_check_attr_group(struct net *net, struct nlattr *tb[],
}
}
+ if (tb[NHA_FDB])
+ nhg_fdb = 1;
nhg = nla_data(tb[NHA_GROUP]);
for (i = 0; i < len; ++i) {
struct nexthop *nh;
@@ -432,11 +481,20 @@ static int nh_check_attr_group(struct net *net, struct nlattr *tb[],
}
if (!valid_group_nh(nh, len, extack))
return -EINVAL;
+
+ if (nhg_fdb && nh_check_attr_fdb_group(nh, &nh_family, extack))
+ return -EINVAL;
+
+ if (!nhg_fdb && nh->is_fdb_nh) {
+ NL_SET_ERR_MSG(extack, "Non FDB nexthop group cannot have fdb nexthops");
+ return -EINVAL;
+ }
}
- for (i = NHA_GROUP + 1; i < __NHA_MAX; ++i) {
+ for (i = NHA_GROUP_TYPE + 1; i < __NHA_MAX; ++i) {
if (!tb[i])
continue;
-
+ if (tb[NHA_FDB])
+ continue;
NL_SET_ERR_MSG(extack,
"No other attributes can be set in nexthop groups");
return -EINVAL;
@@ -495,6 +553,9 @@ struct nexthop *nexthop_select_path(struct nexthop *nh, int hash)
if (hash > atomic_read(&nhge->upper_bound))
continue;
+ if (nhge->nh->is_fdb_nh)
+ return nhge->nh;
+
/* nexthops always check if it is good and does
* not rely on a sysctl for this behavior
*/
@@ -564,6 +625,11 @@ int fib6_check_nexthop(struct nexthop *nh, struct fib6_config *cfg,
{
struct nh_info *nhi;
+ if (nh->is_fdb_nh) {
+ NL_SET_ERR_MSG(extack, "Route cannot point to a fdb nexthop");
+ return -EINVAL;
+ }
+
/* fib6_src is unique to a fib6_info and limits the ability to cache
* routes in fib6_nh within a nexthop that is potentially shared
* across multiple fib entries. If the config wants to use source
@@ -640,6 +706,12 @@ int fib_check_nexthop(struct nexthop *nh, u8 scope,
{
int err = 0;
+ if (nh->is_fdb_nh) {
+ NL_SET_ERR_MSG(extack, "Route cannot point to a fdb nexthop");
+ err = -EINVAL;
+ goto out;
+ }
+
if (nh->is_group) {
struct nh_group *nhg;
@@ -693,41 +765,56 @@ static void nh_group_rebalance(struct nh_group *nhg)
}
}
-static void remove_nh_grp_entry(struct nh_grp_entry *nhge,
- struct nh_group *nhg,
+static void remove_nh_grp_entry(struct net *net, struct nh_grp_entry *nhge,
struct nl_info *nlinfo)
{
+ struct nh_grp_entry *nhges, *new_nhges;
+ struct nexthop *nhp = nhge->nh_parent;
struct nexthop *nh = nhge->nh;
- struct nh_grp_entry *nhges;
- bool found = false;
- int i;
+ struct nh_group *nhg, *newg;
+ int i, j;
WARN_ON(!nh);
- nhges = nhg->nh_entries;
- for (i = 0; i < nhg->num_nh; ++i) {
- if (found) {
- nhges[i-1].nh = nhges[i].nh;
- nhges[i-1].weight = nhges[i].weight;
- list_del(&nhges[i].nh_list);
- list_add(&nhges[i-1].nh_list, &nhges[i-1].nh->grp_list);
- } else if (nhg->nh_entries[i].nh == nh) {
- found = true;
- }
- }
+ nhg = rtnl_dereference(nhp->nh_grp);
+ newg = nhg->spare;
- if (WARN_ON(!found))
+ /* last entry, keep it visible and remove the parent */
+ if (nhg->num_nh == 1) {
+ remove_nexthop(net, nhp, nlinfo);
return;
+ }
+
+ newg->has_v4 = nhg->has_v4;
+ newg->mpath = nhg->mpath;
+ newg->num_nh = nhg->num_nh;
+
+ /* copy old entries to new except the one getting removed */
+ nhges = nhg->nh_entries;
+ new_nhges = newg->nh_entries;
+ for (i = 0, j = 0; i < nhg->num_nh; ++i) {
+ /* current nexthop getting removed */
+ if (nhg->nh_entries[i].nh == nh) {
+ newg->num_nh--;
+ continue;
+ }
- nhg->num_nh--;
- nhg->nh_entries[nhg->num_nh].nh = NULL;
+ list_del(&nhges[i].nh_list);
+ new_nhges[j].nh_parent = nhges[i].nh_parent;
+ new_nhges[j].nh = nhges[i].nh;
+ new_nhges[j].weight = nhges[i].weight;
+ list_add(&new_nhges[j].nh_list, &new_nhges[j].nh->grp_list);
+ j++;
+ }
- nh_group_rebalance(nhg);
+ nh_group_rebalance(newg);
+ rcu_assign_pointer(nhp->nh_grp, newg);
- nexthop_put(nh);
+ list_del(&nhge->nh_list);
+ nexthop_put(nhge->nh);
if (nlinfo)
- nexthop_notify(RTM_NEWNEXTHOP, nhge->nh_parent, nlinfo);
+ nexthop_notify(RTM_NEWNEXTHOP, nhp, nlinfo);
}
static void remove_nexthop_from_groups(struct net *net, struct nexthop *nh,
@@ -735,17 +822,11 @@ static void remove_nexthop_from_groups(struct net *net, struct nexthop *nh,
{
struct nh_grp_entry *nhge, *tmp;
- list_for_each_entry_safe(nhge, tmp, &nh->grp_list, nh_list) {
- struct nh_group *nhg;
-
- list_del(&nhge->nh_list);
- nhg = rtnl_dereference(nhge->nh_parent->nh_grp);
- remove_nh_grp_entry(nhge, nhg, nlinfo);
+ list_for_each_entry_safe(nhge, tmp, &nh->grp_list, nh_list)
+ remove_nh_grp_entry(net, nhge, nlinfo);
- /* if this group has no more entries then remove it */
- if (!nhg->num_nh)
- remove_nexthop(net, nhge->nh_parent, nlinfo);
- }
+ /* make sure all see the newly published array before releasing rtnl */
+ synchronize_rcu();
}
static void remove_nexthop_group(struct nexthop *nh, struct nl_info *nlinfo)
@@ -759,10 +840,7 @@ static void remove_nexthop_group(struct nexthop *nh, struct nl_info *nlinfo)
if (WARN_ON(!nhge->nh))
continue;
- list_del(&nhge->nh_list);
- nexthop_put(nhge->nh);
- nhge->nh = NULL;
- nhg->num_nh--;
+ list_del_init(&nhge->nh_list);
}
}
@@ -773,6 +851,8 @@ static void __remove_nexthop_fib(struct net *net, struct nexthop *nh)
bool do_flush = false;
struct fib_info *fi;
+ call_nexthop_notifiers(net, NEXTHOP_EVENT_DEL, nh);
+
list_for_each_entry(fi, &nh->fi_list, nh_list) {
fi->fib_flags |= RTNH_F_DEAD;
do_flush = true;
@@ -784,7 +864,8 @@ static void __remove_nexthop_fib(struct net *net, struct nexthop *nh)
list_for_each_entry_safe(f6i, tmp, &nh->f6i_list, nh_list) {
/* __ip6_del_rt does a release, so do a hold here */
fib6_info_hold(f6i);
- ipv6_stub->ip6_del_rt(net, f6i);
+ ipv6_stub->ip6_del_rt(net, f6i,
+ !net->ipv4.sysctl_nexthop_compat_mode);
}
}
@@ -1041,7 +1122,7 @@ out:
if (!rc) {
nh_base_seq_inc(net);
nexthop_notify(RTM_NEWNEXTHOP, new_nh, &cfg->nlinfo);
- if (replace_notify)
+ if (replace_notify && net->ipv4.sysctl_nexthop_compat_mode)
nexthop_replace_notify(net, new_nh, &cfg->nlinfo);
}
@@ -1085,6 +1166,7 @@ static struct nexthop *nexthop_create_group(struct net *net,
{
struct nlattr *grps_attr = cfg->nh_grp;
struct nexthop_grp *entry = nla_data(grps_attr);
+ u16 num_nh = nla_len(grps_attr) / sizeof(*entry);
struct nh_group *nhg;
struct nexthop *nh;
int i;
@@ -1095,12 +1177,21 @@ static struct nexthop *nexthop_create_group(struct net *net,
nh->is_group = 1;
- nhg = nexthop_grp_alloc(nla_len(grps_attr) / sizeof(*entry));
+ nhg = nexthop_grp_alloc(num_nh);
if (!nhg) {
kfree(nh);
return ERR_PTR(-ENOMEM);
}
+ /* spare group used for removals */
+ nhg->spare = nexthop_grp_alloc(num_nh);
+ if (!nhg->spare) {
+ kfree(nhg);
+ kfree(nh);
+ return ERR_PTR(-ENOMEM);
+ }
+ nhg->spare->spare = nhg;
+
for (i = 0; i < nhg->num_nh; ++i) {
struct nexthop *nhe;
struct nh_info *nhi;
@@ -1124,6 +1215,9 @@ static struct nexthop *nexthop_create_group(struct net *net,
nh_group_rebalance(nhg);
}
+ if (cfg->nh_fdb)
+ nh->is_fdb_nh = 1;
+
rcu_assign_pointer(nh->nh_grp, nhg);
return nh;
@@ -1132,6 +1226,7 @@ out_no_nh:
for (; i >= 0; --i)
nexthop_put(nhg->nh_entries[i].nh);
+ kfree(nhg->spare);
kfree(nhg);
kfree(nh);
@@ -1151,7 +1246,7 @@ static int nh_create_ipv4(struct net *net, struct nexthop *nh,
.fc_encap = cfg->nh_encap,
.fc_encap_type = cfg->nh_encap_type,
};
- u32 tb_id = l3mdev_fib_table(cfg->dev);
+ u32 tb_id = (cfg->dev ? l3mdev_fib_table(cfg->dev) : RT_TABLE_MAIN);
int err;
err = fib_nh_init(net, fib_nh, &fib_cfg, 1, extack);
@@ -1160,6 +1255,9 @@ static int nh_create_ipv4(struct net *net, struct nexthop *nh,
goto out;
}
+ if (nh->is_fdb_nh)
+ goto out;
+
/* sets nh_dev if successful */
err = fib_check_nh(net, fib_nh, tb_id, 0, extack);
if (!err) {
@@ -1185,6 +1283,7 @@ static int nh_create_ipv6(struct net *net, struct nexthop *nh,
.fc_flags = cfg->nh_flags,
.fc_encap = cfg->nh_encap,
.fc_encap_type = cfg->nh_encap_type,
+ .fc_is_fdb = cfg->nh_fdb,
};
int err;
@@ -1226,6 +1325,9 @@ static struct nexthop *nexthop_create(struct net *net, struct nh_config *cfg,
nhi->family = cfg->nh_family;
nhi->fib_nhc.nhc_scope = RT_SCOPE_LINK;
+ if (cfg->nh_fdb)
+ nh->is_fdb_nh = 1;
+
if (cfg->nh_blackhole) {
nhi->reject_nh = 1;
cfg->nh_ifindex = net->loopback_dev->ifindex;
@@ -1247,7 +1349,8 @@ static struct nexthop *nexthop_create(struct net *net, struct nh_config *cfg,
}
/* add the entry to the device based hash */
- nexthop_devhash_add(net, nhi);
+ if (!nh->is_fdb_nh)
+ nexthop_devhash_add(net, nhi);
rcu_assign_pointer(nh->nh_info, nhi);
@@ -1351,6 +1454,19 @@ static int rtm_to_nh_config(struct net *net, struct sk_buff *skb,
if (tb[NHA_ID])
cfg->nh_id = nla_get_u32(tb[NHA_ID]);
+ if (tb[NHA_FDB]) {
+ if (tb[NHA_OIF] || tb[NHA_BLACKHOLE] ||
+ tb[NHA_ENCAP] || tb[NHA_ENCAP_TYPE]) {
+ NL_SET_ERR_MSG(extack, "Fdb attribute can not be used with encap, oif or blackhole");
+ goto out;
+ }
+ if (nhm->nh_flags) {
+ NL_SET_ERR_MSG(extack, "Unsupported nexthop flags in ancillary header");
+ goto out;
+ }
+ cfg->nh_fdb = nla_get_flag(tb[NHA_FDB]);
+ }
+
if (tb[NHA_GROUP]) {
if (nhm->nh_family != AF_UNSPEC) {
NL_SET_ERR_MSG(extack, "Invalid family for group");
@@ -1374,8 +1490,8 @@ static int rtm_to_nh_config(struct net *net, struct sk_buff *skb,
if (tb[NHA_BLACKHOLE]) {
if (tb[NHA_GATEWAY] || tb[NHA_OIF] ||
- tb[NHA_ENCAP] || tb[NHA_ENCAP_TYPE]) {
- NL_SET_ERR_MSG(extack, "Blackhole attribute can not be used with gateway or oif");
+ tb[NHA_ENCAP] || tb[NHA_ENCAP_TYPE] || tb[NHA_FDB]) {
+ NL_SET_ERR_MSG(extack, "Blackhole attribute can not be used with gateway, oif, encap or fdb");
goto out;
}
@@ -1384,26 +1500,28 @@ static int rtm_to_nh_config(struct net *net, struct sk_buff *skb,
goto out;
}
- if (!tb[NHA_OIF]) {
- NL_SET_ERR_MSG(extack, "Device attribute required for non-blackhole nexthops");
+ if (!cfg->nh_fdb && !tb[NHA_OIF]) {
+ NL_SET_ERR_MSG(extack, "Device attribute required for non-blackhole and non-fdb nexthops");
goto out;
}
- cfg->nh_ifindex = nla_get_u32(tb[NHA_OIF]);
- if (cfg->nh_ifindex)
- cfg->dev = __dev_get_by_index(net, cfg->nh_ifindex);
+ if (!cfg->nh_fdb && tb[NHA_OIF]) {
+ cfg->nh_ifindex = nla_get_u32(tb[NHA_OIF]);
+ if (cfg->nh_ifindex)
+ cfg->dev = __dev_get_by_index(net, cfg->nh_ifindex);
- if (!cfg->dev) {
- NL_SET_ERR_MSG(extack, "Invalid device index");
- goto out;
- } else if (!(cfg->dev->flags & IFF_UP)) {
- NL_SET_ERR_MSG(extack, "Nexthop device is not up");
- err = -ENETDOWN;
- goto out;
- } else if (!netif_carrier_ok(cfg->dev)) {
- NL_SET_ERR_MSG(extack, "Carrier for nexthop device is down");
- err = -ENETDOWN;
- goto out;
+ if (!cfg->dev) {
+ NL_SET_ERR_MSG(extack, "Invalid device index");
+ goto out;
+ } else if (!(cfg->dev->flags & IFF_UP)) {
+ NL_SET_ERR_MSG(extack, "Nexthop device is not up");
+ err = -ENETDOWN;
+ goto out;
+ } else if (!netif_carrier_ok(cfg->dev)) {
+ NL_SET_ERR_MSG(extack, "Carrier for nexthop device is down");
+ err = -ENETDOWN;
+ goto out;
+ }
}
err = -EINVAL;
@@ -1632,7 +1750,7 @@ static bool nh_dump_filtered(struct nexthop *nh, int dev_idx, int master_idx,
static int nh_valid_dump_req(const struct nlmsghdr *nlh, int *dev_idx,
int *master_idx, bool *group_filter,
- struct netlink_callback *cb)
+ bool *fdb_filter, struct netlink_callback *cb)
{
struct netlink_ext_ack *extack = cb->extack;
struct nlattr *tb[NHA_MAX + 1];
@@ -1669,6 +1787,9 @@ static int nh_valid_dump_req(const struct nlmsghdr *nlh, int *dev_idx,
case NHA_GROUPS:
*group_filter = true;
break;
+ case NHA_FDB:
+ *fdb_filter = true;
+ break;
default:
NL_SET_ERR_MSG(extack, "Unsupported attribute in dump request");
return -EINVAL;
@@ -1687,17 +1808,17 @@ static int nh_valid_dump_req(const struct nlmsghdr *nlh, int *dev_idx,
/* rtnl */
static int rtm_dump_nexthop(struct sk_buff *skb, struct netlink_callback *cb)
{
+ bool group_filter = false, fdb_filter = false;
struct nhmsg *nhm = nlmsg_data(cb->nlh);
int dev_filter_idx = 0, master_idx = 0;
struct net *net = sock_net(skb->sk);
struct rb_root *root = &net->nexthop.rb_root;
- bool group_filter = false;
struct rb_node *node;
int idx = 0, s_idx;
int err;
err = nh_valid_dump_req(cb->nlh, &dev_filter_idx, &master_idx,
- &group_filter, cb);
+ &group_filter, &fdb_filter, cb);
if (err < 0)
return err;
@@ -1782,6 +1903,19 @@ static struct notifier_block nh_netdev_notifier = {
.notifier_call = nh_netdev_event,
};
+int register_nexthop_notifier(struct net *net, struct notifier_block *nb)
+{
+ return atomic_notifier_chain_register(&net->nexthop.notifier_chain, nb);
+}
+EXPORT_SYMBOL(register_nexthop_notifier);
+
+int unregister_nexthop_notifier(struct net *net, struct notifier_block *nb)
+{
+ return atomic_notifier_chain_unregister(&net->nexthop.notifier_chain,
+ nb);
+}
+EXPORT_SYMBOL(unregister_nexthop_notifier);
+
static void __net_exit nexthop_net_exit(struct net *net)
{
rtnl_lock();
@@ -1798,6 +1932,7 @@ static int __net_init nexthop_net_init(struct net *net)
net->nexthop.devhash = kzalloc(sz, GFP_KERNEL);
if (!net->nexthop.devhash)
return -ENOMEM;
+ ATOMIC_INIT_NOTIFIER_HEAD(&net->nexthop.notifier_chain);
return 0;
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 788c69d9bfe0..1d7076b78e63 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -491,18 +491,16 @@ u32 ip_idents_reserve(u32 hash, int segs)
atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ;
u32 old = READ_ONCE(*p_tstamp);
u32 now = (u32)jiffies;
- u32 new, delta = 0;
+ u32 delta = 0;
if (old != now && cmpxchg(p_tstamp, old, now) == old)
delta = prandom_u32_max(now - old);
- /* Do not use atomic_add_return() as it makes UBSAN unhappy */
- do {
- old = (u32)atomic_read(p_id);
- new = old + delta + segs;
- } while (atomic_cmpxchg(p_id, old, new) != old);
-
- return new - segs;
+ /* If UBSAN reports an error there, please make sure your compiler
+ * supports -fno-strict-overflow before reporting it that was a bug
+ * in UBSAN, and it has been fixed in GCC-8.
+ */
+ return atomic_add_return(segs + delta, p_id) - segs;
}
EXPORT_SYMBOL(ip_idents_reserve);
@@ -915,7 +913,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
/* Check for load limit; set rate_last to the latest sent
* redirect.
*/
- if (peer->rate_tokens == 0 ||
+ if (peer->n_redirects == 0 ||
time_after(jiffies,
(peer->rate_last +
(ip_rt_redirect_load << peer->n_redirects)))) {
@@ -3336,8 +3334,7 @@ static int ip_rt_gc_elasticity __read_mostly = 8;
static int ip_min_valid_pmtu __read_mostly = IPV4_MIN_MTU;
static int ipv4_sysctl_rtcache_flush(struct ctl_table *__ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = (struct net *)__ctl->extra1;
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 81b267e990a1..5653e3b011bf 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -71,8 +71,7 @@ static void set_local_port_range(struct net *net, int range[2])
/* Validate changes from /proc interface. */
static int ipv4_local_port_range(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net =
container_of(table->data, struct net, ipv4.ip_local_ports.range);
@@ -107,7 +106,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write,
/* Validate changes from /proc interface. */
static int ipv4_privileged_ports(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = container_of(table->data, struct net,
ipv4.sysctl_ip_prot_sock);
@@ -168,8 +167,7 @@ static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t hig
/* Validate changes from /proc interface. */
static int ipv4_ping_group_range(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct user_namespace *user_ns = current_user_ns();
int ret;
@@ -204,8 +202,7 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write,
}
static int ipv4_fwd_update_priority(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net;
int ret;
@@ -221,7 +218,7 @@ static int ipv4_fwd_update_priority(struct ctl_table *table, int write,
}
static int proc_tcp_congestion_control(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = container_of(ctl->data, struct net,
ipv4.tcp_congestion_control);
@@ -241,9 +238,8 @@ static int proc_tcp_congestion_control(struct ctl_table *ctl, int write,
}
static int proc_tcp_available_congestion_control(struct ctl_table *ctl,
- int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, };
int ret;
@@ -258,9 +254,8 @@ static int proc_tcp_available_congestion_control(struct ctl_table *ctl,
}
static int proc_allowed_congestion_control(struct ctl_table *ctl,
- int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX };
int ret;
@@ -296,8 +291,7 @@ static int sscanf_key(char *buf, __le32 *key)
}
static int proc_tcp_fastopen_key(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = container_of(table->data, struct net,
ipv4.sysctl_tcp_fastopen);
@@ -399,7 +393,7 @@ static void proc_configure_early_demux(int enabled, int protocol)
}
static int proc_tcp_early_demux(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret = 0;
@@ -415,7 +409,7 @@ static int proc_tcp_early_demux(struct ctl_table *table, int write,
}
static int proc_udp_early_demux(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret = 0;
@@ -431,8 +425,7 @@ static int proc_udp_early_demux(struct ctl_table *table, int write,
}
static int proc_tfo_blackhole_detect_timeout(struct ctl_table *table,
- int write,
- void __user *buffer,
+ int write, void *buffer,
size_t *lenp, loff_t *ppos)
{
struct net *net = container_of(table->data, struct net,
@@ -447,8 +440,7 @@ static int proc_tfo_blackhole_detect_timeout(struct ctl_table *table,
}
static int proc_tcp_available_ulp(struct ctl_table *ctl,
- int write,
- void __user *buffer, size_t *lenp,
+ int write, void *buffer, size_t *lenp,
loff_t *ppos)
{
struct ctl_table tbl = { .maxlen = TCP_ULP_BUF_MAX, };
@@ -466,7 +458,7 @@ static int proc_tcp_available_ulp(struct ctl_table *ctl,
#ifdef CONFIG_IP_ROUTE_MULTIPATH
static int proc_fib_multipath_hash_policy(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
struct net *net = container_of(table->data, struct net,
@@ -711,6 +703,15 @@ static struct ctl_table ipv4_net_table[] = {
.proc_handler = proc_tcp_early_demux
},
{
+ .procname = "nexthop_compat_mode",
+ .data = &init_net.ipv4.sysctl_nexthop_compat_mode,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = SYSCTL_ZERO,
+ .extra2 = SYSCTL_ONE,
+ },
+ {
.procname = "ip_default_ttl",
.data = &init_net.ipv4.sysctl_ip_default_ttl,
.maxlen = sizeof(int),
@@ -1321,6 +1322,13 @@ static struct ctl_table ipv4_net_table[] = {
.proc_handler = proc_doulongvec_minmax,
},
{
+ .procname = "tcp_comp_sack_slack_ns",
+ .data = &init_net.ipv4.sysctl_tcp_comp_sack_slack_ns,
+ .maxlen = sizeof(unsigned long),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
+ {
.procname = "tcp_comp_sack_nr",
.data = &init_net.ipv4.sysctl_tcp_comp_sack_nr,
.maxlen = sizeof(int),
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 6d87de434377..15d47d5e7951 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -476,9 +476,17 @@ static void tcp_tx_timestamp(struct sock *sk, u16 tsflags)
static inline bool tcp_stream_is_readable(const struct tcp_sock *tp,
int target, struct sock *sk)
{
- return (READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq) >= target) ||
- (sk->sk_prot->stream_memory_read ?
- sk->sk_prot->stream_memory_read(sk) : false);
+ int avail = READ_ONCE(tp->rcv_nxt) - READ_ONCE(tp->copied_seq);
+
+ if (avail > 0) {
+ if (avail >= target)
+ return true;
+ if (tcp_rmem_pressure(sk))
+ return true;
+ }
+ if (sk->sk_prot->stream_memory_read)
+ return sk->sk_prot->stream_memory_read(sk);
+ return false;
}
/*
@@ -1756,10 +1764,11 @@ static int tcp_zerocopy_receive(struct sock *sk,
down_read(&current->mm->mmap_sem);
- ret = -EINVAL;
vma = find_vma(current->mm, address);
- if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops)
- goto out;
+ if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops) {
+ up_read(&current->mm->mmap_sem);
+ return -EINVAL;
+ }
zc->length = min_t(unsigned long, zc->length, vma->vm_end - address);
tp = tcp_sk(sk);
@@ -2154,13 +2163,15 @@ skip_copy:
tp->urg_data = 0;
tcp_fast_path_check(sk);
}
- if (used + offset < skb->len)
- continue;
if (TCP_SKB_CB(skb)->has_rxtstamp) {
tcp_update_recv_tstamps(skb, &tss);
cmsg_flags |= 2;
}
+
+ if (used + offset < skb->len)
+ continue;
+
if (TCP_SKB_CB(skb)->tcp_flags & TCPHDR_FIN)
goto found_fin_ok;
if (!(flags & MSG_PEEK))
@@ -2790,6 +2801,163 @@ static void tcp_enable_tx_delay(void)
}
}
+/* When set indicates to always queue non-full frames. Later the user clears
+ * this option and we transmit any pending partial frames in the queue. This is
+ * meant to be used alongside sendfile() to get properly filled frames when the
+ * user (for example) must write out headers with a write() call first and then
+ * use sendfile to send out the data parts.
+ *
+ * TCP_CORK can be set together with TCP_NODELAY and it is stronger than
+ * TCP_NODELAY.
+ */
+static void __tcp_sock_set_cork(struct sock *sk, bool on)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (on) {
+ tp->nonagle |= TCP_NAGLE_CORK;
+ } else {
+ tp->nonagle &= ~TCP_NAGLE_CORK;
+ if (tp->nonagle & TCP_NAGLE_OFF)
+ tp->nonagle |= TCP_NAGLE_PUSH;
+ tcp_push_pending_frames(sk);
+ }
+}
+
+void tcp_sock_set_cork(struct sock *sk, bool on)
+{
+ lock_sock(sk);
+ __tcp_sock_set_cork(sk, on);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(tcp_sock_set_cork);
+
+/* TCP_NODELAY is weaker than TCP_CORK, so that this option on corked socket is
+ * remembered, but it is not activated until cork is cleared.
+ *
+ * However, when TCP_NODELAY is set we make an explicit push, which overrides
+ * even TCP_CORK for currently queued segments.
+ */
+static void __tcp_sock_set_nodelay(struct sock *sk, bool on)
+{
+ if (on) {
+ tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF|TCP_NAGLE_PUSH;
+ tcp_push_pending_frames(sk);
+ } else {
+ tcp_sk(sk)->nonagle &= ~TCP_NAGLE_OFF;
+ }
+}
+
+void tcp_sock_set_nodelay(struct sock *sk)
+{
+ lock_sock(sk);
+ __tcp_sock_set_nodelay(sk, true);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(tcp_sock_set_nodelay);
+
+static void __tcp_sock_set_quickack(struct sock *sk, int val)
+{
+ if (!val) {
+ inet_csk_enter_pingpong_mode(sk);
+ return;
+ }
+
+ inet_csk_exit_pingpong_mode(sk);
+ if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT) &&
+ inet_csk_ack_scheduled(sk)) {
+ inet_csk(sk)->icsk_ack.pending |= ICSK_ACK_PUSHED;
+ tcp_cleanup_rbuf(sk, 1);
+ if (!(val & 1))
+ inet_csk_enter_pingpong_mode(sk);
+ }
+}
+
+void tcp_sock_set_quickack(struct sock *sk, int val)
+{
+ lock_sock(sk);
+ __tcp_sock_set_quickack(sk, val);
+ release_sock(sk);
+}
+EXPORT_SYMBOL(tcp_sock_set_quickack);
+
+int tcp_sock_set_syncnt(struct sock *sk, int val)
+{
+ if (val < 1 || val > MAX_TCP_SYNCNT)
+ return -EINVAL;
+
+ lock_sock(sk);
+ inet_csk(sk)->icsk_syn_retries = val;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(tcp_sock_set_syncnt);
+
+void tcp_sock_set_user_timeout(struct sock *sk, u32 val)
+{
+ lock_sock(sk);
+ inet_csk(sk)->icsk_user_timeout = val;
+ release_sock(sk);
+}
+EXPORT_SYMBOL(tcp_sock_set_user_timeout);
+
+static int __tcp_sock_set_keepidle(struct sock *sk, int val)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (val < 1 || val > MAX_TCP_KEEPIDLE)
+ return -EINVAL;
+
+ tp->keepalive_time = val * HZ;
+ if (sock_flag(sk, SOCK_KEEPOPEN) &&
+ !((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN))) {
+ u32 elapsed = keepalive_time_elapsed(tp);
+
+ if (tp->keepalive_time > elapsed)
+ elapsed = tp->keepalive_time - elapsed;
+ else
+ elapsed = 0;
+ inet_csk_reset_keepalive_timer(sk, elapsed);
+ }
+
+ return 0;
+}
+
+int tcp_sock_set_keepidle(struct sock *sk, int val)
+{
+ int err;
+
+ lock_sock(sk);
+ err = __tcp_sock_set_keepidle(sk, val);
+ release_sock(sk);
+ return err;
+}
+EXPORT_SYMBOL(tcp_sock_set_keepidle);
+
+int tcp_sock_set_keepintvl(struct sock *sk, int val)
+{
+ if (val < 1 || val > MAX_TCP_KEEPINTVL)
+ return -EINVAL;
+
+ lock_sock(sk);
+ tcp_sk(sk)->keepalive_intvl = val * HZ;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(tcp_sock_set_keepintvl);
+
+int tcp_sock_set_keepcnt(struct sock *sk, int val)
+{
+ if (val < 1 || val > MAX_TCP_KEEPCNT)
+ return -EINVAL;
+
+ lock_sock(sk);
+ tcp_sk(sk)->keepalive_probes = val;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(tcp_sock_set_keepcnt);
+
/*
* Socket option code for TCP.
*/
@@ -2887,20 +3055,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
break;
case TCP_NODELAY:
- if (val) {
- /* TCP_NODELAY is weaker than TCP_CORK, so that
- * this option on corked socket is remembered, but
- * it is not activated until cork is cleared.
- *
- * However, when TCP_NODELAY is set we make
- * an explicit push, which overrides even TCP_CORK
- * for currently queued segments.
- */
- tp->nonagle |= TCP_NAGLE_OFF|TCP_NAGLE_PUSH;
- tcp_push_pending_frames(sk);
- } else {
- tp->nonagle &= ~TCP_NAGLE_OFF;
- }
+ __tcp_sock_set_nodelay(sk, val);
break;
case TCP_THIN_LINEAR_TIMEOUTS:
@@ -2968,43 +3123,11 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
break;
case TCP_CORK:
- /* When set indicates to always queue non-full frames.
- * Later the user clears this option and we transmit
- * any pending partial frames in the queue. This is
- * meant to be used alongside sendfile() to get properly
- * filled frames when the user (for example) must write
- * out headers with a write() call first and then use
- * sendfile to send out the data parts.
- *
- * TCP_CORK can be set together with TCP_NODELAY and it is
- * stronger than TCP_NODELAY.
- */
- if (val) {
- tp->nonagle |= TCP_NAGLE_CORK;
- } else {
- tp->nonagle &= ~TCP_NAGLE_CORK;
- if (tp->nonagle&TCP_NAGLE_OFF)
- tp->nonagle |= TCP_NAGLE_PUSH;
- tcp_push_pending_frames(sk);
- }
+ __tcp_sock_set_cork(sk, val);
break;
case TCP_KEEPIDLE:
- if (val < 1 || val > MAX_TCP_KEEPIDLE)
- err = -EINVAL;
- else {
- tp->keepalive_time = val * HZ;
- if (sock_flag(sk, SOCK_KEEPOPEN) &&
- !((1 << sk->sk_state) &
- (TCPF_CLOSE | TCPF_LISTEN))) {
- u32 elapsed = keepalive_time_elapsed(tp);
- if (tp->keepalive_time > elapsed)
- elapsed = tp->keepalive_time - elapsed;
- else
- elapsed = 0;
- inet_csk_reset_keepalive_timer(sk, elapsed);
- }
- }
+ err = __tcp_sock_set_keepidle(sk, val);
break;
case TCP_KEEPINTVL:
if (val < 1 || val > MAX_TCP_KEEPINTVL)
@@ -3035,8 +3158,8 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
case TCP_LINGER2:
if (val < 0)
tp->linger2 = -1;
- else if (val > net->ipv4.sysctl_tcp_fin_timeout / HZ)
- tp->linger2 = 0;
+ else if (val > TCP_FIN_TIMEOUT_MAX / HZ)
+ tp->linger2 = TCP_FIN_TIMEOUT_MAX;
else
tp->linger2 = val * HZ;
break;
@@ -3061,19 +3184,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
break;
case TCP_QUICKACK:
- if (!val) {
- inet_csk_enter_pingpong_mode(sk);
- } else {
- inet_csk_exit_pingpong_mode(sk);
- if ((1 << sk->sk_state) &
- (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT) &&
- inet_csk_ack_scheduled(sk)) {
- icsk->icsk_ack.pending |= ICSK_ACK_PUSHED;
- tcp_cleanup_rbuf(sk, 1);
- if (!(val & 1))
- inet_csk_enter_pingpong_mode(sk);
- }
- }
+ __tcp_sock_set_quickack(sk, val);
break;
#ifdef CONFIG_TCP_MD5SIG
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index 5a05327f97c1..629aaa9a1eb9 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -125,7 +125,6 @@ static int bpf_tcp_ingress(struct sock *sk, struct sk_psock *psock,
if (!ret) {
msg->sg.start = i;
- msg->sg.size -= apply_bytes;
sk_psock_queue_msg(psock, tmp);
sk_psock_data_ready(sk, psock);
} else {
@@ -262,14 +261,17 @@ static int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
struct sk_psock *psock;
int copied, ret;
+ if (unlikely(flags & MSG_ERRQUEUE))
+ return inet_recv_error(sk, msg, len, addr_len);
+
psock = sk_psock_get(sk);
if (unlikely(!psock))
return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len);
- if (unlikely(flags & MSG_ERRQUEUE))
- return inet_recv_error(sk, msg, len, addr_len);
if (!skb_queue_empty(&sk->sk_receive_queue) &&
- sk_psock_queue_empty(psock))
+ sk_psock_queue_empty(psock)) {
+ sk_psock_put(sk, psock);
return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len);
+ }
lock_sock(sk);
msg_bytes_ready:
copied = __tcp_bpf_recvmsg(sk, psock, msg, len, flags);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bf4ced9273e8..83330a6cb242 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -437,7 +437,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
/* 3. Try to fixup all. It is made immediately after connection enters
* established state.
*/
-void tcp_init_buffer_space(struct sock *sk)
+static void tcp_init_buffer_space(struct sock *sk)
{
int tcp_app_win = sock_net(sk)->ipv4.sysctl_tcp_app_win;
struct tcp_sock *tp = tcp_sk(sk);
@@ -2183,8 +2183,7 @@ static bool tcp_time_to_recover(struct sock *sk, int flag)
}
/* Detect loss in event "A" above by marking head of queue up as lost.
- * For non-SACK(Reno) senders, the first "packets" number of segments
- * are considered lost. For RFC3517 SACK, a segment is considered lost if it
+ * For RFC3517 SACK, a segment is considered lost if it
* has at least tp->reordering SACKed seqments above it; "packets" refers to
* the maximum SACKed segments to pass before reaching this limit.
*/
@@ -2192,10 +2191,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head)
{
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *skb;
- int cnt, oldcnt, lost;
- unsigned int mss;
+ int cnt;
/* Use SACK to deduce losses of new sequences sent during recovery */
- const u32 loss_high = tcp_is_sack(tp) ? tp->snd_nxt : tp->high_seq;
+ const u32 loss_high = tp->snd_nxt;
WARN_ON(packets > tp->packets_out);
skb = tp->lost_skb_hint;
@@ -2218,26 +2216,11 @@ static void tcp_mark_head_lost(struct sock *sk, int packets, int mark_head)
if (after(TCP_SKB_CB(skb)->end_seq, loss_high))
break;
- oldcnt = cnt;
- if (tcp_is_reno(tp) ||
- (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED))
+ if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED)
cnt += tcp_skb_pcount(skb);
- if (cnt > packets) {
- if (tcp_is_sack(tp) ||
- (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) ||
- (oldcnt >= packets))
- break;
-
- mss = tcp_skb_mss(skb);
- /* If needed, chop off the prefix to mark as lost. */
- lost = (packets - oldcnt) * mss;
- if (lost < skb->len &&
- tcp_fragment(sk, TCP_FRAG_IN_RTX_QUEUE, skb,
- lost, mss, GFP_ATOMIC) < 0)
- break;
- cnt = packets;
- }
+ if (cnt > packets)
+ break;
tcp_skb_mark_lost(tp, skb);
@@ -2849,8 +2832,7 @@ static void tcp_fastretrans_alert(struct sock *sk, const u32 prior_snd_una,
if (tcp_try_undo_partial(sk, prior_snd_una))
return;
/* Partial ACK arrived. Force fast retransmit. */
- do_lost = tcp_is_reno(tp) ||
- tcp_force_fast_retransmit(sk);
+ do_lost = tcp_force_fast_retransmit(sk);
}
if (tcp_try_undo_dsack(sk)) {
tcp_try_keep_open(sk);
@@ -3014,7 +2996,7 @@ void tcp_rearm_rto(struct sock *sk)
rto = usecs_to_jiffies(max_t(int, delta_us, 1));
}
tcp_reset_xmit_timer(sk, ICSK_TIME_RETRANS, rto,
- TCP_RTO_MAX, tcp_rtx_queue_head(sk));
+ TCP_RTO_MAX);
}
}
@@ -3291,7 +3273,7 @@ static void tcp_ack_probe(struct sock *sk)
unsigned long when = tcp_probe0_when(sk, TCP_RTO_MAX);
tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0,
- when, TCP_RTO_MAX, NULL);
+ when, TCP_RTO_MAX);
}
}
@@ -3926,10 +3908,6 @@ void tcp_parse_options(const struct net *net,
*/
break;
#endif
- case TCPOPT_MPTCP:
- mptcp_parse_option(skb, ptr, opsize, opt_rx);
- break;
-
case TCPOPT_FASTOPEN:
tcp_parse_fastopen_option(
opsize - TCPOLEN_FASTOPEN_BASE,
@@ -4327,6 +4305,33 @@ static void tcp_sack_maybe_coalesce(struct tcp_sock *tp)
}
}
+static void tcp_sack_compress_send_ack(struct sock *sk)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (!tp->compressed_ack)
+ return;
+
+ if (hrtimer_try_to_cancel(&tp->compressed_ack_timer) == 1)
+ __sock_put(sk);
+
+ /* Since we have to send one ack finally,
+ * substract one from tp->compressed_ack to keep
+ * LINUX_MIB_TCPACKCOMPRESSED accurate.
+ */
+ NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED,
+ tp->compressed_ack - 1);
+
+ tp->compressed_ack = 0;
+ tcp_send_ack(sk);
+}
+
+/* Reasonable amount of sack blocks included in TCP SACK option
+ * The max is 4, but this becomes 3 if TCP timestamps are there.
+ * Given that SACK packets might be lost, be conservative and use 2.
+ */
+#define TCP_SACK_BLOCKS_EXPECTED 2
+
static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -4339,6 +4344,8 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
for (this_sack = 0; this_sack < cur_sacks; this_sack++, sp++) {
if (tcp_sack_extend(sp, seq, end_seq)) {
+ if (this_sack >= TCP_SACK_BLOCKS_EXPECTED)
+ tcp_sack_compress_send_ack(sk);
/* Rotate this_sack to the first one. */
for (; this_sack > 0; this_sack--, sp--)
swap(*sp, *(sp - 1));
@@ -4348,6 +4355,9 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
}
}
+ if (this_sack >= TCP_SACK_BLOCKS_EXPECTED)
+ tcp_sack_compress_send_ack(sk);
+
/* Could not find an adjacent existing SACK, build a new one,
* put it at the front, and shift everyone else down. We
* always know there is at least one SACK present already here.
@@ -4355,8 +4365,6 @@ static void tcp_sack_new_ofo_skb(struct sock *sk, u32 seq, u32 end_seq)
* If the sack array is full, forget about the last one.
*/
if (this_sack >= TCP_NUM_SACKS) {
- if (tp->compressed_ack > TCP_FASTRETRANS_THRESH)
- tcp_send_ack(sk);
this_sack--;
tp->rx_opt.num_sacks--;
sp--;
@@ -4761,7 +4769,8 @@ void tcp_data_ready(struct sock *sk)
const struct tcp_sock *tp = tcp_sk(sk);
int avail = tp->rcv_nxt - tp->copied_seq;
- if (avail < sk->sk_rcvlowat && !sock_flag(sk, SOCK_DONE))
+ if (avail < sk->sk_rcvlowat && !tcp_rmem_pressure(sk) &&
+ !sock_flag(sk, SOCK_DONE))
return;
sk->sk_data_ready(sk);
@@ -5275,15 +5284,13 @@ send_now:
if (tp->compressed_ack_rcv_nxt != tp->rcv_nxt) {
tp->compressed_ack_rcv_nxt = tp->rcv_nxt;
- if (tp->compressed_ack > TCP_FASTRETRANS_THRESH)
- NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED,
- tp->compressed_ack - TCP_FASTRETRANS_THRESH);
- tp->compressed_ack = 0;
+ tp->dup_ack_counter = 0;
}
-
- if (++tp->compressed_ack <= TCP_FASTRETRANS_THRESH)
+ if (tp->dup_ack_counter < TCP_FASTRETRANS_THRESH) {
+ tp->dup_ack_counter++;
goto send_now;
-
+ }
+ tp->compressed_ack++;
if (hrtimer_is_queued(&tp->compressed_ack_timer))
return;
@@ -5296,8 +5303,9 @@ send_now:
delay = min_t(unsigned long, sock_net(sk)->ipv4.sysctl_tcp_comp_sack_delay_ns,
rtt * (NSEC_PER_USEC >> 3)/20);
sock_hold(sk);
- hrtimer_start(&tp->compressed_ack_timer, ns_to_ktime(delay),
- HRTIMER_MODE_REL_PINNED_SOFT);
+ hrtimer_start_range_ns(&tp->compressed_ack_timer, ns_to_ktime(delay),
+ sock_net(sk)->ipv4.sysctl_tcp_comp_sack_slack_ns,
+ HRTIMER_MODE_REL_PINNED_SOFT);
}
static inline void tcp_ack_snd_check(struct sock *sk)
@@ -5990,9 +5998,6 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb,
tcp_sync_mss(sk, icsk->icsk_pmtu_cookie);
tcp_initialize_rcv_mss(sk);
- if (sk_is_mptcp(sk))
- mptcp_rcv_synsent(sk);
-
/* Remember, tcp_poll() does not lock socket!
* Change state from SYN-SENT only after copied_seq
* is initialized. */
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 83a5d24e13b8..ad6435ba6d72 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -403,6 +403,46 @@ void tcp_req_err(struct sock *sk, u32 seq, bool abort)
}
EXPORT_SYMBOL(tcp_req_err);
+/* TCP-LD (RFC 6069) logic */
+void tcp_ld_RTO_revert(struct sock *sk, u32 seq)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+ struct tcp_sock *tp = tcp_sk(sk);
+ struct sk_buff *skb;
+ s32 remaining;
+ u32 delta_us;
+
+ if (sock_owned_by_user(sk))
+ return;
+
+ if (seq != tp->snd_una || !icsk->icsk_retransmits ||
+ !icsk->icsk_backoff)
+ return;
+
+ skb = tcp_rtx_queue_head(sk);
+ if (WARN_ON_ONCE(!skb))
+ return;
+
+ icsk->icsk_backoff--;
+ icsk->icsk_rto = tp->srtt_us ? __tcp_set_rto(tp) : TCP_TIMEOUT_INIT;
+ icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX);
+
+ tcp_mstamp_refresh(tp);
+ delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb));
+ remaining = icsk->icsk_rto - usecs_to_jiffies(delta_us);
+
+ if (remaining > 0) {
+ inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
+ remaining, TCP_RTO_MAX);
+ } else {
+ /* RTO revert clocked out retransmission.
+ * Will retransmit now.
+ */
+ tcp_retransmit_timer(sk);
+ }
+}
+EXPORT_SYMBOL(tcp_ld_RTO_revert);
+
/*
* This routine is called by the ICMP module when it gets some
* sort of error condition. If err < 0 then the socket should
@@ -419,27 +459,23 @@ EXPORT_SYMBOL(tcp_req_err);
*
*/
-int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
+int tcp_v4_err(struct sk_buff *skb, u32 info)
{
- const struct iphdr *iph = (const struct iphdr *)icmp_skb->data;
- struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2));
- struct inet_connection_sock *icsk;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
+ struct tcphdr *th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
struct tcp_sock *tp;
struct inet_sock *inet;
- const int type = icmp_hdr(icmp_skb)->type;
- const int code = icmp_hdr(icmp_skb)->code;
+ const int type = icmp_hdr(skb)->type;
+ const int code = icmp_hdr(skb)->code;
struct sock *sk;
- struct sk_buff *skb;
struct request_sock *fastopen;
u32 seq, snd_una;
- s32 remaining;
- u32 delta_us;
int err;
- struct net *net = dev_net(icmp_skb->dev);
+ struct net *net = dev_net(skb->dev);
sk = __inet_lookup_established(net, &tcp_hashinfo, iph->daddr,
th->dest, iph->saddr, ntohs(th->source),
- inet_iif(icmp_skb), 0);
+ inet_iif(skb), 0);
if (!sk) {
__ICMP_INC_STATS(net, ICMP_MIB_INERRORS);
return -ENOENT;
@@ -476,7 +512,6 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
goto out;
}
- icsk = inet_csk(sk);
tp = tcp_sk(sk);
/* XXX (TFO) - tp->snd_una should be ISN (tcp_create_openreq_child() */
fastopen = rcu_dereference(tp->fastopen_rsk);
@@ -490,7 +525,7 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
switch (type) {
case ICMP_REDIRECT:
if (!sock_owned_by_user(sk))
- do_redirect(icmp_skb, sk);
+ do_redirect(skb, sk);
goto out;
case ICMP_SOURCE_QUENCH:
/* Just silently ignore these. */
@@ -521,41 +556,12 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
}
err = icmp_err_convert[code].errno;
- /* check if icmp_skb allows revert of backoff
- * (see draft-zimmermann-tcp-lcd) */
- if (code != ICMP_NET_UNREACH && code != ICMP_HOST_UNREACH)
- break;
- if (seq != tp->snd_una || !icsk->icsk_retransmits ||
- !icsk->icsk_backoff || fastopen)
- break;
-
- if (sock_owned_by_user(sk))
- break;
-
- skb = tcp_rtx_queue_head(sk);
- if (WARN_ON_ONCE(!skb))
- break;
-
- icsk->icsk_backoff--;
- icsk->icsk_rto = tp->srtt_us ? __tcp_set_rto(tp) :
- TCP_TIMEOUT_INIT;
- icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX);
-
-
- tcp_mstamp_refresh(tp);
- delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb));
- remaining = icsk->icsk_rto -
- usecs_to_jiffies(delta_us);
-
- if (remaining > 0) {
- inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
- remaining, TCP_RTO_MAX);
- } else {
- /* RTO revert clocked out retransmission.
- * Will retransmit now */
- tcp_retransmit_timer(sk);
- }
-
+ /* check if this ICMP message allows revert of backoff.
+ * (see RFC 6069)
+ */
+ if (!fastopen &&
+ (code == ICMP_NET_UNREACH || code == ICMP_HOST_UNREACH))
+ tcp_ld_RTO_revert(sk, seq);
break;
case ICMP_TIME_EXCEEDED:
err = EHOSTUNREACH;
@@ -573,6 +579,8 @@ int tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (fastopen && !fastopen->sk)
break;
+ ip_icmp_error(sk, skb, err, th->dest, info, (u8 *)th);
+
if (!sock_owned_by_user(sk)) {
sk->sk_err = err;
@@ -2780,6 +2788,7 @@ static int __net_init tcp_sk_init(struct net *net)
sizeof(init_net.ipv4.sysctl_tcp_wmem));
}
net->ipv4.sysctl_tcp_comp_sack_delay_ns = NSEC_PER_MSEC;
+ net->ipv4.sysctl_tcp_comp_sack_slack_ns = 100 * NSEC_PER_USEC;
net->ipv4.sysctl_tcp_comp_sack_nr = 44;
net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;
spin_lock_init(&net->ipv4.tcp_fastopen_ctx_lock);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 7e40322cc5ec..495dda2449fe 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -774,7 +774,7 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
if (!child)
goto listen_overflow;
- if (own_req && sk_is_mptcp(child) && mptcp_sk_is_subflow(child)) {
+ if (own_req && rsk_drop_req(req)) {
reqsk_queue_removed(&inet_csk(sk)->icsk_accept_queue, req);
inet_csk_reqsk_queue_drop_and_put(sk, req);
return child;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2f45cde168c4..a50e1990a845 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -184,10 +184,10 @@ static inline void tcp_event_ack_sent(struct sock *sk, unsigned int pkts,
{
struct tcp_sock *tp = tcp_sk(sk);
- if (unlikely(tp->compressed_ack > TCP_FASTRETRANS_THRESH)) {
+ if (unlikely(tp->compressed_ack)) {
NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPACKCOMPRESSED,
- tp->compressed_ack - TCP_FASTRETRANS_THRESH);
- tp->compressed_ack = TCP_FASTRETRANS_THRESH;
+ tp->compressed_ack);
+ tp->compressed_ack = 0;
if (hrtimer_try_to_cancel(&tp->compressed_ack_timer) == 1)
__sock_put(sk);
}
@@ -2593,8 +2593,7 @@ bool tcp_schedule_loss_probe(struct sock *sk, bool advancing_rto)
if (rto_delta_us > 0)
timeout = min_t(u32, timeout, usecs_to_jiffies(rto_delta_us));
- tcp_reset_xmit_timer(sk, ICSK_TIME_LOSS_PROBE, timeout,
- TCP_RTO_MAX, NULL);
+ tcp_reset_xmit_timer(sk, ICSK_TIME_LOSS_PROBE, timeout, TCP_RTO_MAX);
return true;
}
@@ -2772,8 +2771,12 @@ u32 __tcp_select_window(struct sock *sk)
int mss = icsk->icsk_ack.rcv_mss;
int free_space = tcp_space(sk);
int allowed_space = tcp_full_space(sk);
- int full_space = min_t(int, tp->window_clamp, allowed_space);
- int window;
+ int full_space, window;
+
+ if (sk_is_mptcp(sk))
+ mptcp_space(sk, &free_space, &allowed_space);
+
+ full_space = min_t(int, tp->window_clamp, allowed_space);
if (unlikely(mss > full_space)) {
mss = full_space;
@@ -3109,6 +3112,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk)
const struct inet_connection_sock *icsk = inet_csk(sk);
struct sk_buff *skb, *rtx_head, *hole = NULL;
struct tcp_sock *tp = tcp_sk(sk);
+ bool rearm_timer = false;
u32 max_segs;
int mib_idx;
@@ -3131,7 +3135,7 @@ void tcp_xmit_retransmit_queue(struct sock *sk)
segs = tp->snd_cwnd - tcp_packets_in_flight(tp);
if (segs <= 0)
- return;
+ break;
sacked = TCP_SKB_CB(skb)->sacked;
/* In case tcp_shift_skb_data() have aggregated large skbs,
* we need to make sure not sending too bigs TSO packets
@@ -3156,10 +3160,10 @@ void tcp_xmit_retransmit_queue(struct sock *sk)
continue;
if (tcp_small_queue_check(sk, skb, 1))
- return;
+ break;
if (tcp_retransmit_skb(sk, skb, segs))
- return;
+ break;
NET_ADD_STATS(sock_net(sk), mib_idx, tcp_skb_pcount(skb));
@@ -3168,11 +3172,13 @@ void tcp_xmit_retransmit_queue(struct sock *sk)
if (skb == rtx_head &&
icsk->icsk_pending != ICSK_TIME_REO_TIMEOUT)
- tcp_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
- inet_csk(sk)->icsk_rto,
- TCP_RTO_MAX,
- skb);
+ rearm_timer = true;
+
}
+ if (rearm_timer)
+ tcp_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
+ inet_csk(sk)->icsk_rto,
+ TCP_RTO_MAX);
}
/* We allow to exceed memory limits for FIN packets to expedite
@@ -3903,7 +3909,7 @@ void tcp_send_probe0(struct sock *sk)
*/
timeout = TCP_RESOURCE_PROBE_INTERVAL;
}
- tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0, timeout, TCP_RTO_MAX, NULL);
+ tcp_reset_xmit_timer(sk, ICSK_TIME_PROBE0, timeout, TCP_RTO_MAX);
}
int tcp_rtx_synack(const struct sock *sk, struct request_sock *req)
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index c3f26dcd6704..ada046f425d2 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -753,8 +753,14 @@ static enum hrtimer_restart tcp_compressed_ack_kick(struct hrtimer *timer)
bh_lock_sock(sk);
if (!sock_owned_by_user(sk)) {
- if (tp->compressed_ack > TCP_FASTRETRANS_THRESH)
+ if (tp->compressed_ack) {
+ /* Since we have to send one ack finally,
+ * substract one from tp->compressed_ack to keep
+ * LINUX_MIB_TCPACKCOMPRESSED accurate.
+ */
+ tp->compressed_ack--;
tcp_send_ack(sk);
+ }
} else {
if (!test_and_set_bit(TCP_DELACK_TIMER_DEFERRED,
&sk->sk_tsq_flags))
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 32564b350823..1b7ebbcae497 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -112,6 +112,9 @@
#include <net/sock_reuseport.h>
#include <net/addrconf.h>
#include <net/udp_tunnel.h>
+#if IS_ENABLED(CONFIG_IPV6)
+#include <net/ipv6_stubs.h>
+#endif
struct udp_table udp_table __read_mostly;
EXPORT_SYMBOL(udp_table);
@@ -2563,7 +2566,12 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname,
#ifdef CONFIG_XFRM
case UDP_ENCAP_ESPINUDP:
case UDP_ENCAP_ESPINUDP_NON_IKE:
- up->encap_rcv = xfrm4_udp_encap_rcv;
+#if IS_ENABLED(CONFIG_IPV6)
+ if (sk->sk_family == AF_INET6)
+ up->encap_rcv = ipv6_stub->xfrm6_udp_encap_rcv;
+ else
+#endif
+ up->encap_rcv = xfrm4_udp_encap_rcv;
#endif
fallthrough;
case UDP_ENCAP_L2TPINUDP:
diff --git a/net/ipv4/udp_tunnel.c b/net/ipv4/udp_tunnel.c
index 150e6f0fdbf5..3eecba0874aa 100644
--- a/net/ipv4/udp_tunnel.c
+++ b/net/ipv4/udp_tunnel.c
@@ -22,9 +22,7 @@ int udp_sock_create4(struct net *net, struct udp_port_cfg *cfg,
goto error;
if (cfg->bind_ifindex) {
- err = kernel_setsockopt(sock, SOL_SOCKET, SO_BINDTOIFINDEX,
- (void *)&cfg->bind_ifindex,
- sizeof(cfg->bind_ifindex));
+ err = sock_bindtoindex(sock->sk, cfg->bind_ifindex, true);
if (err < 0)
goto error;
}
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index f8de2482a529..ad2afeef4f10 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -18,11 +18,6 @@
#include <net/ip.h>
#include <net/xfrm.h>
-int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb)
-{
- return xfrm4_extract_header(skb);
-}
-
static int xfrm4_rcv_encap_finish2(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 89ba7c87de5d..3cff51ba72bb 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -14,79 +14,18 @@
#include <net/xfrm.h>
#include <net/icmp.h>
-static int xfrm4_tunnel_check_size(struct sk_buff *skb)
-{
- int mtu, ret = 0;
-
- if (IPCB(skb)->flags & IPSKB_XFRM_TUNNEL_SIZE)
- goto out;
-
- if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->ignore_df)
- goto out;
-
- mtu = dst_mtu(skb_dst(skb));
- if ((!skb_is_gso(skb) && skb->len > mtu) ||
- (skb_is_gso(skb) &&
- !skb_gso_validate_network_len(skb, ip_skb_dst_mtu(skb->sk, skb)))) {
- skb->protocol = htons(ETH_P_IP);
-
- if (skb->sk)
- xfrm_local_error(skb, mtu);
- else
- icmp_send(skb, ICMP_DEST_UNREACH,
- ICMP_FRAG_NEEDED, htonl(mtu));
- ret = -EMSGSIZE;
- }
-out:
- return ret;
-}
-
-int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb)
-{
- int err;
-
- err = xfrm4_tunnel_check_size(skb);
- if (err)
- return err;
-
- XFRM_MODE_SKB_CB(skb)->protocol = ip_hdr(skb)->protocol;
-
- return xfrm4_extract_header(skb);
-}
-
-int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb)
-{
- memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
-
-#ifdef CONFIG_NETFILTER
- IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
-#endif
-
- return xfrm_output(sk, skb);
-}
-
static int __xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+#ifdef CONFIG_NETFILTER
struct xfrm_state *x = skb_dst(skb)->xfrm;
- const struct xfrm_state_afinfo *afinfo;
- int ret = -EAFNOSUPPORT;
-#ifdef CONFIG_NETFILTER
if (!x) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output(net, sk, skb);
}
#endif
- rcu_read_lock();
- afinfo = xfrm_state_afinfo_get_rcu(x->outer_mode.family);
- if (likely(afinfo))
- ret = afinfo->output_finish(sk, skb);
- else
- kfree_skb(skb);
- rcu_read_unlock();
-
- return ret;
+ return xfrm_output(sk, skb);
}
int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb)
diff --git a/net/ipv4/xfrm4_state.c b/net/ipv4/xfrm4_state.c
index f8ed3c3bb928..87d4db591488 100644
--- a/net/ipv4/xfrm4_state.c
+++ b/net/ipv4/xfrm4_state.c
@@ -8,36 +8,12 @@
*
*/
-#include <net/ip.h>
#include <net/xfrm.h>
-#include <linux/pfkeyv2.h>
-#include <linux/ipsec.h>
-#include <linux/netfilter_ipv4.h>
-#include <linux/export.h>
-
-int xfrm4_extract_header(struct sk_buff *skb)
-{
- const struct iphdr *iph = ip_hdr(skb);
-
- XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
- XFRM_MODE_SKB_CB(skb)->id = iph->id;
- XFRM_MODE_SKB_CB(skb)->frag_off = iph->frag_off;
- XFRM_MODE_SKB_CB(skb)->tos = iph->tos;
- XFRM_MODE_SKB_CB(skb)->ttl = iph->ttl;
- XFRM_MODE_SKB_CB(skb)->optlen = iph->ihl * 4 - sizeof(*iph);
- memset(XFRM_MODE_SKB_CB(skb)->flow_lbl, 0,
- sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
-
- return 0;
-}
static struct xfrm_state_afinfo xfrm4_state_afinfo = {
.family = AF_INET,
.proto = IPPROTO_IPIP,
.output = xfrm4_output,
- .output_finish = xfrm4_output_finish,
- .extract_input = xfrm4_extract_input,
- .extract_output = xfrm4_extract_output,
.transport_finish = xfrm4_transport_finish,
.local_error = xfrm4_local_error,
};
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index 2ccaee98fddb..4f03aece2980 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -13,7 +13,7 @@ menuconfig IPV6
For general information about IPv6, see
<https://en.wikipedia.org/wiki/IPv6>.
For specific information about IPv6 under Linux, see
- Documentation/networking/ipv6.txt and read the HOWTO at
+ Documentation/networking/ipv6.rst and read the HOWTO at
<http://www.tldp.org/HOWTO/Linux+IPv6-HOWTO/>
To compile this protocol support as a module, choose M here: the
@@ -88,6 +88,18 @@ config INET6_ESP_OFFLOAD
If unsure, say N.
+config INET6_ESPINTCP
+ bool "IPv6: ESP in TCP encapsulation (RFC 8229)"
+ depends on XFRM && INET6_ESP
+ select STREAM_PARSER
+ select NET_SOCK_MSG
+ select XFRM_ESPINTCP
+ help
+ Support for RFC 8229 encapsulation of ESP and IKE over
+ TCP/IPv6 sockets.
+
+ If unsure, say N.
+
config INET6_IPCOMP
tristate "IPv6: IPComp transformation"
select INET6_XFRM_TUNNEL
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 24e319dfb510..840bfdb3d7bd 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -135,8 +135,7 @@ static inline void addrconf_sysctl_unregister(struct inet6_dev *idev)
}
#endif
-static void ipv6_regen_rndid(struct inet6_dev *idev);
-static void ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr);
+static void ipv6_gen_rnd_iid(struct in6_addr *addr);
static int ipv6_generate_eui64(u8 *eui, struct net_device *dev);
static int ipv6_count_addresses(const struct inet6_dev *idev);
@@ -432,8 +431,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
dev->type == ARPHRD_SIT ||
dev->type == ARPHRD_NONE) {
ndev->cnf.use_tempaddr = -1;
- } else
- ipv6_regen_rndid(ndev);
+ }
ndev->token = in6addr_any;
@@ -1238,7 +1236,7 @@ cleanup_prefix_route(struct inet6_ifaddr *ifp, unsigned long expires,
ifp->idev->dev, 0, RTF_DEFAULT, true);
if (f6i) {
if (del_rt)
- ip6_del_rt(dev_net(ifp->idev->dev), f6i);
+ ip6_del_rt(dev_net(ifp->idev->dev), f6i, false);
else {
if (!(f6i->fib6_flags & RTF_EXPIRES))
fib6_set_expires(f6i, expires);
@@ -1306,29 +1304,21 @@ out:
in6_ifa_put(ifp);
}
-static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp,
- struct inet6_ifaddr *ift,
- bool block)
+static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block)
{
struct inet6_dev *idev = ifp->idev;
- struct in6_addr addr, *tmpaddr;
unsigned long tmp_tstamp, age;
unsigned long regen_advance;
- struct ifa6_config cfg;
- int ret = 0;
unsigned long now = jiffies;
- long max_desync_factor;
s32 cnf_temp_preferred_lft;
+ struct inet6_ifaddr *ift;
+ struct ifa6_config cfg;
+ long max_desync_factor;
+ struct in6_addr addr;
+ int ret = 0;
write_lock_bh(&idev->lock);
- if (ift) {
- spin_lock_bh(&ift->lock);
- memcpy(&addr.s6_addr[8], &ift->addr.s6_addr[8], 8);
- spin_unlock_bh(&ift->lock);
- tmpaddr = &addr;
- } else {
- tmpaddr = NULL;
- }
+
retry:
in6_dev_hold(idev);
if (idev->cnf.use_tempaddr <= 0) {
@@ -1351,8 +1341,8 @@ retry:
}
in6_ifa_hold(ifp);
memcpy(addr.s6_addr, ifp->addr.s6_addr, 8);
- ipv6_try_regen_rndid(idev, tmpaddr);
- memcpy(&addr.s6_addr[8], idev->rndid, 8);
+ ipv6_gen_rnd_iid(&addr);
+
age = (now - ifp->tstamp) / HZ;
regen_advance = idev->cnf.regen_max_retry *
@@ -1417,7 +1407,6 @@ retry:
in6_ifa_put(ifp);
in6_dev_put(idev);
pr_info("%s: retry temporary address regeneration\n", __func__);
- tmpaddr = &addr;
write_lock_bh(&idev->lock);
goto retry;
}
@@ -2032,7 +2021,7 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
if (ifpub) {
in6_ifa_hold(ifpub);
spin_unlock_bh(&ifp->lock);
- ipv6_create_tempaddr(ifpub, ifp, true);
+ ipv6_create_tempaddr(ifpub, true);
in6_ifa_put(ifpub);
} else {
spin_unlock_bh(&ifp->lock);
@@ -2329,40 +2318,38 @@ static int ipv6_inherit_eui64(u8 *eui, struct inet6_dev *idev)
return err;
}
-/* (re)generation of randomized interface identifier (RFC 3041 3.2, 3.5) */
-static void ipv6_regen_rndid(struct inet6_dev *idev)
+/* Generation of a randomized Interface Identifier
+ * draft-ietf-6man-rfc4941bis, Section 3.3.1
+ */
+
+static void ipv6_gen_rnd_iid(struct in6_addr *addr)
{
regen:
- get_random_bytes(idev->rndid, sizeof(idev->rndid));
- idev->rndid[0] &= ~0x02;
+ get_random_bytes(&addr->s6_addr[8], 8);
- /*
- * <draft-ietf-ipngwg-temp-addresses-v2-00.txt>:
- * check if generated address is not inappropriate
+ /* <draft-ietf-6man-rfc4941bis-08.txt>, Section 3.3.1:
+ * check if generated address is not inappropriate:
*
- * - Reserved subnet anycast (RFC 2526)
- * 11111101 11....11 1xxxxxxx
- * - ISATAP (RFC4214) 6.1
- * 00-00-5E-FE-xx-xx-xx-xx
- * - value 0
- * - XXX: already assigned to an address on the device
+ * - Reserved IPv6 Interface Identifers
+ * - XXX: already assigned to an address on the device
*/
- if (idev->rndid[0] == 0xfd &&
- (idev->rndid[1]&idev->rndid[2]&idev->rndid[3]&idev->rndid[4]&idev->rndid[5]&idev->rndid[6]) == 0xff &&
- (idev->rndid[7]&0x80))
+
+ /* Subnet-router anycast: 0000:0000:0000:0000 */
+ if (!(addr->s6_addr32[2] | addr->s6_addr32[3]))
goto regen;
- if ((idev->rndid[0]|idev->rndid[1]) == 0) {
- if (idev->rndid[2] == 0x5e && idev->rndid[3] == 0xfe)
- goto regen;
- if ((idev->rndid[2]|idev->rndid[3]|idev->rndid[4]|idev->rndid[5]|idev->rndid[6]|idev->rndid[7]) == 0x00)
- goto regen;
- }
-}
-static void ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr)
-{
- if (tmpaddr && memcmp(idev->rndid, &tmpaddr->s6_addr[8], 8) == 0)
- ipv6_regen_rndid(idev);
+ /* IANA Ethernet block: 0200:5EFF:FE00:0000-0200:5EFF:FE00:5212
+ * Proxy Mobile IPv6: 0200:5EFF:FE00:5213
+ * IANA Ethernet block: 0200:5EFF:FE00:5214-0200:5EFF:FEFF:FFFF
+ */
+ if (ntohl(addr->s6_addr32[2]) == 0x02005eff &&
+ (ntohl(addr->s6_addr32[3]) & 0Xff000000) == 0xfe000000)
+ goto regen;
+
+ /* Reserved subnet anycast addresses */
+ if (ntohl(addr->s6_addr32[2]) == 0xfdffffff &&
+ ntohl(addr->s6_addr32[3]) >= 0Xffffff80)
+ goto regen;
}
/*
@@ -2544,7 +2531,7 @@ static void manage_tempaddrs(struct inet6_dev *idev,
* no temporary address currently exists.
*/
read_unlock_bh(&idev->lock);
- ipv6_create_tempaddr(ifp, NULL, false);
+ ipv6_create_tempaddr(ifp, false);
} else {
read_unlock_bh(&idev->lock);
}
@@ -2564,7 +2551,7 @@ int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
__u32 valid_lft, u32 prefered_lft)
{
struct inet6_ifaddr *ifp = ipv6_get_ifaddr(net, addr, dev, 1);
- int create = 0, update_lft = 0;
+ int create = 0;
if (!ifp && valid_lft) {
int max_addresses = in6_dev->cnf.max_addresses;
@@ -2608,32 +2595,19 @@ int addrconf_prefix_rcv_add_addr(struct net *net, struct net_device *dev,
unsigned long now;
u32 stored_lft;
- /* update lifetime (RFC2462 5.5.3 e) */
+ /* Update lifetime (RFC4862 5.5.3 e)
+ * We deviate from RFC4862 by honoring all Valid Lifetimes to
+ * improve the reaction of SLAAC to renumbering events
+ * (draft-gont-6man-slaac-renum-06, Section 4.2)
+ */
spin_lock_bh(&ifp->lock);
now = jiffies;
if (ifp->valid_lft > (now - ifp->tstamp) / HZ)
stored_lft = ifp->valid_lft - (now - ifp->tstamp) / HZ;
else
stored_lft = 0;
- if (!create && stored_lft) {
- const u32 minimum_lft = min_t(u32,
- stored_lft, MIN_VALID_LIFETIME);
- valid_lft = max(valid_lft, minimum_lft);
-
- /* RFC4862 Section 5.5.3e:
- * "Note that the preferred lifetime of the
- * corresponding address is always reset to
- * the Preferred Lifetime in the received
- * Prefix Information option, regardless of
- * whether the valid lifetime is also reset or
- * ignored."
- *
- * So we should always update prefered_lft here.
- */
- update_lft = 1;
- }
- if (update_lft) {
+ if (!create && stored_lft) {
ifp->valid_lft = valid_lft;
ifp->prefered_lft = prefered_lft;
ifp->tstamp = now;
@@ -2731,7 +2705,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
if (rt) {
/* Autoconf prefix route */
if (valid_lft == 0) {
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
rt = NULL;
} else if (addrconf_finite_timeout(rt_expires)) {
/* not infinity */
@@ -2809,6 +2783,33 @@ put:
in6_dev_put(in6_dev);
}
+static int addrconf_set_sit_dstaddr(struct net *net, struct net_device *dev,
+ struct in6_ifreq *ireq)
+{
+ struct ip_tunnel_parm p = { };
+ int err;
+
+ if (!(ipv6_addr_type(&ireq->ifr6_addr) & IPV6_ADDR_COMPATv4))
+ return -EADDRNOTAVAIL;
+
+ p.iph.daddr = ireq->ifr6_addr.s6_addr32[3];
+ p.iph.version = 4;
+ p.iph.ihl = 5;
+ p.iph.protocol = IPPROTO_IPV6;
+ p.iph.ttl = 64;
+
+ if (!dev->netdev_ops->ndo_tunnel_ctl)
+ return -EOPNOTSUPP;
+ err = dev->netdev_ops->ndo_tunnel_ctl(dev, &p, SIOCADDTUNNEL);
+ if (err)
+ return err;
+
+ dev = __dev_get_by_name(net, p.name);
+ if (!dev)
+ return -ENOBUFS;
+ return dev_open(dev, NULL);
+}
+
/*
* Set destination address.
* Special case for SIT interfaces where we create a new "virtual"
@@ -2816,61 +2817,19 @@ put:
*/
int addrconf_set_dstaddr(struct net *net, void __user *arg)
{
- struct in6_ifreq ireq;
struct net_device *dev;
- int err = -EINVAL;
-
- rtnl_lock();
+ struct in6_ifreq ireq;
+ int err = -ENODEV;
- err = -EFAULT;
+ if (!IS_ENABLED(CONFIG_IPV6_SIT))
+ return -ENODEV;
if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq)))
- goto err_exit;
+ return -EFAULT;
+ rtnl_lock();
dev = __dev_get_by_index(net, ireq.ifr6_ifindex);
-
- err = -ENODEV;
- if (!dev)
- goto err_exit;
-
-#if IS_ENABLED(CONFIG_IPV6_SIT)
- if (dev->type == ARPHRD_SIT) {
- const struct net_device_ops *ops = dev->netdev_ops;
- struct ifreq ifr;
- struct ip_tunnel_parm p;
-
- err = -EADDRNOTAVAIL;
- if (!(ipv6_addr_type(&ireq.ifr6_addr) & IPV6_ADDR_COMPATv4))
- goto err_exit;
-
- memset(&p, 0, sizeof(p));
- p.iph.daddr = ireq.ifr6_addr.s6_addr32[3];
- p.iph.saddr = 0;
- p.iph.version = 4;
- p.iph.ihl = 5;
- p.iph.protocol = IPPROTO_IPV6;
- p.iph.ttl = 64;
- ifr.ifr_ifru.ifru_data = (__force void __user *)&p;
-
- if (ops->ndo_do_ioctl) {
- mm_segment_t oldfs = get_fs();
-
- set_fs(KERNEL_DS);
- err = ops->ndo_do_ioctl(dev, &ifr, SIOCADDTUNNEL);
- set_fs(oldfs);
- } else
- err = -EOPNOTSUPP;
-
- if (err == 0) {
- err = -ENOBUFS;
- dev = __dev_get_by_name(net, p.name);
- if (!dev)
- goto err_exit;
- err = dev_open(dev, NULL);
- }
- }
-#endif
-
-err_exit:
+ if (dev && dev->type == ARPHRD_SIT)
+ err = addrconf_set_sit_dstaddr(net, dev, &ireq);
rtnl_unlock();
return err;
}
@@ -3222,11 +3181,11 @@ static int ipv6_generate_stable_address(struct in6_addr *address,
const struct inet6_dev *idev)
{
static DEFINE_SPINLOCK(lock);
- static __u32 digest[SHA_DIGEST_WORDS];
- static __u32 workspace[SHA_WORKSPACE_WORDS];
+ static __u32 digest[SHA1_DIGEST_WORDS];
+ static __u32 workspace[SHA1_WORKSPACE_WORDS];
static union {
- char __data[SHA_MESSAGE_BYTES];
+ char __data[SHA1_BLOCK_SIZE];
struct {
struct in6_addr secret;
__be32 prefix[2];
@@ -3251,7 +3210,7 @@ static int ipv6_generate_stable_address(struct in6_addr *address,
retry:
spin_lock_bh(&lock);
- sha_init(digest);
+ sha1_init(digest);
memset(&data, 0, sizeof(data));
memset(workspace, 0, sizeof(workspace));
memcpy(data.hwaddr, idev->dev->perm_addr, idev->dev->addr_len);
@@ -3260,7 +3219,7 @@ retry:
data.secret = secret;
data.dad_count = dad_count;
- sha_transform(digest, data.__data, workspace);
+ sha1_transform(digest, data.__data, workspace);
temp = *address;
temp.s6_addr32[2] = (__force __be32)digest[0];
@@ -3826,7 +3785,7 @@ restart:
spin_unlock_bh(&ifa->lock);
if (rt)
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
if (state != INET6_IFADDR_STATE_DEAD) {
__ipv6_ifa_notify(RTM_DELADDR, ifa);
@@ -4544,7 +4503,7 @@ restart:
ifpub->regen_count = 0;
spin_unlock(&ifpub->lock);
rcu_read_unlock_bh();
- ipv6_create_tempaddr(ifpub, ifp, true);
+ ipv6_create_tempaddr(ifpub, true);
in6_ifa_put(ifpub);
in6_ifa_put(ifp);
rcu_read_lock_bh();
@@ -4665,7 +4624,7 @@ static int modify_prefix_route(struct inet6_ifaddr *ifp,
prio = ifp->rt_priority ? : IP6_RT_PRIO_ADDRCONF;
if (f6i->fib6_metric != prio) {
/* delete old one */
- ip6_del_rt(dev_net(ifp->idev->dev), f6i);
+ ip6_del_rt(dev_net(ifp->idev->dev), f6i, false);
/* add new one */
addrconf_prefix_route(modify_peer ? &ifp->peer_addr : &ifp->addr,
@@ -6086,10 +6045,10 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
ifp->idev->dev, 0, 0,
false);
if (rt)
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
}
if (ifp->rt) {
- ip6_del_rt(net, ifp->rt);
+ ip6_del_rt(net, ifp->rt, false);
ifp->rt = NULL;
}
rt_genid_bump_ipv6(net);
@@ -6108,9 +6067,8 @@ static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp)
#ifdef CONFIG_SYSCTL
-static
-int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
@@ -6134,9 +6092,8 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write,
return ret;
}
-static
-int addrconf_sysctl_mtu(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int addrconf_sysctl_mtu(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct inet6_dev *idev = ctl->extra1;
int min_mtu = IPV6_MIN_MTU;
@@ -6206,9 +6163,8 @@ static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int newf)
return 0;
}
-static
-int addrconf_sysctl_disable(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int addrconf_sysctl_disable(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
@@ -6232,9 +6188,8 @@ int addrconf_sysctl_disable(struct ctl_table *ctl, int write,
return ret;
}
-static
-int addrconf_sysctl_proxy_ndp(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int addrconf_sysctl_proxy_ndp(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int ret;
@@ -6275,7 +6230,7 @@ int addrconf_sysctl_proxy_ndp(struct ctl_table *ctl, int write,
}
static int addrconf_sysctl_addr_gen_mode(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int ret = 0;
@@ -6337,7 +6292,7 @@ out:
}
static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
+ void *buffer, size_t *lenp,
loff_t *ppos)
{
int err;
@@ -6404,8 +6359,7 @@ out:
static
int addrconf_sysctl_ignore_routes_with_linkdown(struct ctl_table *ctl,
- int write,
- void __user *buffer,
+ int write, void *buffer,
size_t *lenp,
loff_t *ppos)
{
@@ -6505,10 +6459,8 @@ int addrconf_disable_policy(struct ctl_table *ctl, int *valp, int val)
return 0;
}
-static
-int addrconf_sysctl_disable_policy(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+static int addrconf_sysctl_disable_policy(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = ctl->data;
int val = *valp;
@@ -7024,9 +6976,26 @@ static int __net_init addrconf_init_net(struct net *net)
goto err_alloc_dflt;
if (IS_ENABLED(CONFIG_SYSCTL) &&
- sysctl_devconf_inherit_init_net == 1 && !net_eq(net, &init_net)) {
- memcpy(all, init_net.ipv6.devconf_all, sizeof(ipv6_devconf));
- memcpy(dflt, init_net.ipv6.devconf_dflt, sizeof(ipv6_devconf_dflt));
+ !net_eq(net, &init_net)) {
+ switch (sysctl_devconf_inherit_init_net) {
+ case 1: /* copy from init_net */
+ memcpy(all, init_net.ipv6.devconf_all,
+ sizeof(ipv6_devconf));
+ memcpy(dflt, init_net.ipv6.devconf_dflt,
+ sizeof(ipv6_devconf_dflt));
+ break;
+ case 3: /* copy from the current netns */
+ memcpy(all, current->nsproxy->net_ns->ipv6.devconf_all,
+ sizeof(ipv6_devconf));
+ memcpy(dflt,
+ current->nsproxy->net_ns->ipv6.devconf_dflt,
+ sizeof(ipv6_devconf_dflt));
+ break;
+ case 0:
+ case 2:
+ /* use compiled values */
+ break;
+ }
}
/* these will be inherited by all namespaces */
diff --git a/net/ipv6/addrconf_core.c b/net/ipv6/addrconf_core.c
index ea00ce3d4117..9ebf3fe0d2b1 100644
--- a/net/ipv6/addrconf_core.c
+++ b/net/ipv6/addrconf_core.c
@@ -185,7 +185,8 @@ static int eafnosupport_fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
return -EAFNOSUPPORT;
}
-static int eafnosupport_ip6_del_rt(struct net *net, struct fib6_info *rt)
+static int eafnosupport_ip6_del_rt(struct net *net, struct fib6_info *rt,
+ bool skip_notify)
{
return -EAFNOSUPPORT;
}
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 345baa0a754f..b304b882e031 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -60,6 +60,8 @@
#include <net/calipso.h>
#include <net/seg6.h>
#include <net/rpl.h>
+#include <net/compat.h>
+#include <net/xfrm.h>
#include <linux/uaccess.h>
#include <linux/mroute6.h>
@@ -273,7 +275,7 @@ out_rcu_unlock:
}
static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
- bool force_bind_address_no_port, bool with_lock)
+ u32 flags)
{
struct sockaddr_in6 *addr = (struct sockaddr_in6 *)uaddr;
struct inet_sock *inet = inet_sk(sk);
@@ -297,7 +299,7 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
!ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
- if (with_lock)
+ if (flags & BIND_WITH_LOCK)
lock_sock(sk);
/* Check these errors (active socket, double bind). */
@@ -400,18 +402,20 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
/* Make sure we are allowed to bind here. */
if (snum || !(inet->bind_address_no_port ||
- force_bind_address_no_port)) {
+ (flags & BIND_FORCE_ADDRESS_NO_PORT))) {
if (sk->sk_prot->get_port(sk, snum)) {
sk->sk_ipv6only = saved_ipv6only;
inet_reset_saddr(sk);
err = -EADDRINUSE;
goto out;
}
- err = BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk);
- if (err) {
- sk->sk_ipv6only = saved_ipv6only;
- inet_reset_saddr(sk);
- goto out;
+ if (!(flags & BIND_FROM_BPF)) {
+ err = BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk);
+ if (err) {
+ sk->sk_ipv6only = saved_ipv6only;
+ inet_reset_saddr(sk);
+ goto out;
+ }
}
}
@@ -423,7 +427,7 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
inet->inet_dport = 0;
inet->inet_daddr = 0;
out:
- if (with_lock)
+ if (flags & BIND_WITH_LOCK)
release_sock(sk);
return err;
out_unlock:
@@ -451,7 +455,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (err)
return err;
- return __inet6_bind(sk, uaddr, addr_len, false, true);
+ return __inet6_bind(sk, uaddr, addr_len, BIND_WITH_LOCK);
}
EXPORT_SYMBOL(inet6_bind);
@@ -502,9 +506,8 @@ EXPORT_SYMBOL_GPL(inet6_destroy_sock);
/*
* This does both peername and sockname.
*/
-
int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
- int peer)
+ int peer)
{
struct sockaddr_in6 *sin = (struct sockaddr_in6 *)uaddr;
struct sock *sk = sock->sk;
@@ -529,9 +532,13 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
sin->sin6_addr = np->saddr;
else
sin->sin6_addr = sk->sk_v6_rcv_saddr;
-
sin->sin6_port = inet->inet_sport;
}
+ if (cgroup_bpf_enabled)
+ BPF_CGROUP_RUN_SA_PROG_LOCK(sk, (struct sockaddr *)sin,
+ peer ? BPF_CGROUP_INET6_GETPEERNAME :
+ BPF_CGROUP_INET6_GETSOCKNAME,
+ NULL);
sin->sin6_scope_id = ipv6_iface_scope_id(&sin->sin6_addr,
sk->sk_bound_dev_if);
return sizeof(*sin);
@@ -540,21 +547,25 @@ EXPORT_SYMBOL(inet6_getname);
int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
+ void __user *argp = (void __user *)arg;
struct sock *sk = sock->sk;
struct net *net = sock_net(sk);
switch (cmd) {
case SIOCADDRT:
- case SIOCDELRT:
-
- return ipv6_route_ioctl(net, cmd, (void __user *)arg);
+ case SIOCDELRT: {
+ struct in6_rtmsg rtmsg;
+ if (copy_from_user(&rtmsg, argp, sizeof(rtmsg)))
+ return -EFAULT;
+ return ipv6_route_ioctl(net, cmd, &rtmsg);
+ }
case SIOCSIFADDR:
- return addrconf_add_ifaddr(net, (void __user *) arg);
+ return addrconf_add_ifaddr(net, argp);
case SIOCDIFADDR:
- return addrconf_del_ifaddr(net, (void __user *) arg);
+ return addrconf_del_ifaddr(net, argp);
case SIOCSIFDSTADDR:
- return addrconf_set_dstaddr(net, (void __user *) arg);
+ return addrconf_set_dstaddr(net, argp);
default:
if (!sk->sk_prot->ioctl)
return -ENOIOCTLCMD;
@@ -565,6 +576,56 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
}
EXPORT_SYMBOL(inet6_ioctl);
+#ifdef CONFIG_COMPAT
+struct compat_in6_rtmsg {
+ struct in6_addr rtmsg_dst;
+ struct in6_addr rtmsg_src;
+ struct in6_addr rtmsg_gateway;
+ u32 rtmsg_type;
+ u16 rtmsg_dst_len;
+ u16 rtmsg_src_len;
+ u32 rtmsg_metric;
+ u32 rtmsg_info;
+ u32 rtmsg_flags;
+ s32 rtmsg_ifindex;
+};
+
+static int inet6_compat_routing_ioctl(struct sock *sk, unsigned int cmd,
+ struct compat_in6_rtmsg __user *ur)
+{
+ struct in6_rtmsg rt;
+
+ if (copy_from_user(&rt.rtmsg_dst, &ur->rtmsg_dst,
+ 3 * sizeof(struct in6_addr)) ||
+ get_user(rt.rtmsg_type, &ur->rtmsg_type) ||
+ get_user(rt.rtmsg_dst_len, &ur->rtmsg_dst_len) ||
+ get_user(rt.rtmsg_src_len, &ur->rtmsg_src_len) ||
+ get_user(rt.rtmsg_metric, &ur->rtmsg_metric) ||
+ get_user(rt.rtmsg_info, &ur->rtmsg_info) ||
+ get_user(rt.rtmsg_flags, &ur->rtmsg_flags) ||
+ get_user(rt.rtmsg_ifindex, &ur->rtmsg_ifindex))
+ return -EFAULT;
+
+
+ return ipv6_route_ioctl(sock_net(sk), cmd, &rt);
+}
+
+int inet6_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+ void __user *argp = compat_ptr(arg);
+ struct sock *sk = sock->sk;
+
+ switch (cmd) {
+ case SIOCADDRT:
+ case SIOCDELRT:
+ return inet6_compat_routing_ioctl(sk, cmd, argp);
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+EXPORT_SYMBOL_GPL(inet6_compat_ioctl);
+#endif /* CONFIG_COMPAT */
+
INDIRECT_CALLABLE_DECLARE(int udpv6_sendmsg(struct sock *, struct msghdr *,
size_t));
int inet6_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
@@ -626,6 +687,7 @@ const struct proto_ops inet6_stream_ops = {
.read_sock = tcp_read_sock,
.peek_len = tcp_peek_len,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
@@ -654,6 +716,7 @@ const struct proto_ops inet6_dgram_ops = {
.sendpage = sock_no_sendpage,
.set_peek_off = sk_set_peek_off,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
@@ -961,6 +1024,11 @@ static const struct ipv6_stub ipv6_stub_impl = {
.ip6_del_rt = ip6_del_rt,
.udpv6_encap_enable = udpv6_encap_enable,
.ndisc_send_na = ndisc_send_na,
+#if IS_ENABLED(CONFIG_XFRM)
+ .xfrm6_local_rxpmtu = xfrm6_local_rxpmtu,
+ .xfrm6_udp_encap_rcv = xfrm6_udp_encap_rcv,
+ .xfrm6_rcv_encap = xfrm6_rcv_encap,
+#endif
.nd_tbl = &nd_tbl,
};
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 45e2adc56610..d88d97617f7e 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -767,6 +767,7 @@ static const struct xfrm_type ah6_type = {
static struct xfrm6_protocol ah6_protocol = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = ah6_rcv_cb,
.err_handler = ah6_err,
.priority = 0,
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index fed91ab7ec46..893261230ffc 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -364,7 +364,7 @@ int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr)
ipv6_del_acaddr_hash(aca);
addrconf_leave_solict(idev, &aca->aca_addr);
- ip6_del_rt(dev_net(idev->dev), aca->aca_rt);
+ ip6_del_rt(dev_net(idev->dev), aca->aca_rt, false);
aca_put(aca);
return 0;
@@ -393,7 +393,7 @@ void ipv6_ac_destroy_dev(struct inet6_dev *idev)
addrconf_leave_solict(idev, &aca->aca_addr);
- ip6_del_rt(dev_net(idev->dev), aca->aca_rt);
+ ip6_del_rt(dev_net(idev->dev), aca->aca_rt, false);
aca_put(aca);
diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c
index 221c81f85cbf..8d3f66c310db 100644
--- a/net/ipv6/calipso.c
+++ b/net/ipv6/calipso.c
@@ -1047,7 +1047,8 @@ static int calipso_opt_getattr(const unsigned char *calipso,
goto getattr_return;
}
- secattr->flags |= NETLBL_SECATTR_MLS_CAT;
+ if (secattr->attr.mls.cat)
+ secattr->flags |= NETLBL_SECATTR_MLS_CAT;
}
secattr->type = NETLBL_NLTYPE_CALIPSO;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 11143d039f16..c43592771126 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -26,11 +26,16 @@
#include <linux/random.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
+#include <net/ip6_checksum.h>
#include <net/ip6_route.h>
#include <net/icmp.h>
#include <net/ipv6.h>
#include <net/protocol.h>
+#include <net/udp.h>
#include <linux/icmpv6.h>
+#include <net/tcp.h>
+#include <net/espintcp.h>
+#include <net/inet6_hashtables.h>
#include <linux/highmem.h>
@@ -39,6 +44,11 @@ struct esp_skb_cb {
void *tmp;
};
+struct esp_output_extra {
+ __be32 seqhi;
+ u32 esphoff;
+};
+
#define ESP_SKB_CB(__skb) ((struct esp_skb_cb *)&((__skb)->cb[0]))
/*
@@ -72,9 +82,9 @@ static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int seqihlen)
return kmalloc(len, GFP_ATOMIC);
}
-static inline __be32 *esp_tmp_seqhi(void *tmp)
+static inline void *esp_tmp_extra(void *tmp)
{
- return PTR_ALIGN((__be32 *)tmp, __alignof__(__be32));
+ return PTR_ALIGN(tmp, __alignof__(struct esp_output_extra));
}
static inline u8 *esp_tmp_iv(struct crypto_aead *aead, void *tmp, int seqhilen)
@@ -104,16 +114,17 @@ static inline struct scatterlist *esp_req_sg(struct crypto_aead *aead,
static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
{
+ struct esp_output_extra *extra = esp_tmp_extra(tmp);
struct crypto_aead *aead = x->data;
- int seqhilen = 0;
+ int extralen = 0;
u8 *iv;
struct aead_request *req;
struct scatterlist *sg;
if (x->props.flags & XFRM_STATE_ESN)
- seqhilen += sizeof(__be32);
+ extralen += sizeof(*extra);
- iv = esp_tmp_iv(aead, tmp, seqhilen);
+ iv = esp_tmp_iv(aead, tmp, extralen);
req = esp_tmp_req(aead, iv);
/* Unref skb_frag_pages in the src scatterlist if necessary.
@@ -124,6 +135,149 @@ static void esp_ssg_unref(struct xfrm_state *x, void *tmp)
put_page(sg_page(sg));
}
+#ifdef CONFIG_INET6_ESPINTCP
+struct esp_tcp_sk {
+ struct sock *sk;
+ struct rcu_head rcu;
+};
+
+static void esp_free_tcp_sk(struct rcu_head *head)
+{
+ struct esp_tcp_sk *esk = container_of(head, struct esp_tcp_sk, rcu);
+
+ sock_put(esk->sk);
+ kfree(esk);
+}
+
+static struct sock *esp6_find_tcp_sk(struct xfrm_state *x)
+{
+ struct xfrm_encap_tmpl *encap = x->encap;
+ struct esp_tcp_sk *esk;
+ __be16 sport, dport;
+ struct sock *nsk;
+ struct sock *sk;
+
+ sk = rcu_dereference(x->encap_sk);
+ if (sk && sk->sk_state == TCP_ESTABLISHED)
+ return sk;
+
+ spin_lock_bh(&x->lock);
+ sport = encap->encap_sport;
+ dport = encap->encap_dport;
+ nsk = rcu_dereference_protected(x->encap_sk,
+ lockdep_is_held(&x->lock));
+ if (sk && sk == nsk) {
+ esk = kmalloc(sizeof(*esk), GFP_ATOMIC);
+ if (!esk) {
+ spin_unlock_bh(&x->lock);
+ return ERR_PTR(-ENOMEM);
+ }
+ RCU_INIT_POINTER(x->encap_sk, NULL);
+ esk->sk = sk;
+ call_rcu(&esk->rcu, esp_free_tcp_sk);
+ }
+ spin_unlock_bh(&x->lock);
+
+ sk = __inet6_lookup_established(xs_net(x), &tcp_hashinfo, &x->id.daddr.in6,
+ dport, &x->props.saddr.in6, ntohs(sport), 0, 0);
+ if (!sk)
+ return ERR_PTR(-ENOENT);
+
+ if (!tcp_is_ulp_esp(sk)) {
+ sock_put(sk);
+ return ERR_PTR(-EINVAL);
+ }
+
+ spin_lock_bh(&x->lock);
+ nsk = rcu_dereference_protected(x->encap_sk,
+ lockdep_is_held(&x->lock));
+ if (encap->encap_sport != sport ||
+ encap->encap_dport != dport) {
+ sock_put(sk);
+ sk = nsk ?: ERR_PTR(-EREMCHG);
+ } else if (sk == nsk) {
+ sock_put(sk);
+ } else {
+ rcu_assign_pointer(x->encap_sk, sk);
+ }
+ spin_unlock_bh(&x->lock);
+
+ return sk;
+}
+
+static int esp_output_tcp_finish(struct xfrm_state *x, struct sk_buff *skb)
+{
+ struct sock *sk;
+ int err;
+
+ rcu_read_lock();
+
+ sk = esp6_find_tcp_sk(x);
+ err = PTR_ERR_OR_ZERO(sk);
+ if (err)
+ goto out;
+
+ bh_lock_sock(sk);
+ if (sock_owned_by_user(sk))
+ err = espintcp_queue_out(sk, skb);
+ else
+ err = espintcp_push_skb(sk, skb);
+ bh_unlock_sock(sk);
+
+out:
+ rcu_read_unlock();
+ return err;
+}
+
+static int esp_output_tcp_encap_cb(struct net *net, struct sock *sk,
+ struct sk_buff *skb)
+{
+ struct dst_entry *dst = skb_dst(skb);
+ struct xfrm_state *x = dst->xfrm;
+
+ return esp_output_tcp_finish(x, skb);
+}
+
+static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
+{
+ int err;
+
+ local_bh_disable();
+ err = xfrm_trans_queue_net(xs_net(x), skb, esp_output_tcp_encap_cb);
+ local_bh_enable();
+
+ /* EINPROGRESS just happens to do the right thing. It
+ * actually means that the skb has been consumed and
+ * isn't coming back.
+ */
+ return err ?: -EINPROGRESS;
+}
+#else
+static int esp_output_tail_tcp(struct xfrm_state *x, struct sk_buff *skb)
+{
+ kfree_skb(skb);
+
+ return -EOPNOTSUPP;
+}
+#endif
+
+static void esp_output_encap_csum(struct sk_buff *skb)
+{
+ /* UDP encap with IPv6 requires a valid checksum */
+ if (*skb_mac_header(skb) == IPPROTO_UDP) {
+ struct udphdr *uh = udp_hdr(skb);
+ struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ int len = ntohs(uh->len);
+ unsigned int offset = skb_transport_offset(skb);
+ __wsum csum = skb_checksum(skb, offset, skb->len - offset, 0);
+
+ uh->check = csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+ len, IPPROTO_UDP, csum);
+ if (uh->check == 0)
+ uh->check = CSUM_MANGLED_0;
+ }
+}
+
static void esp_output_done(struct crypto_async_request *base, int err)
{
struct sk_buff *skb = base->data;
@@ -143,6 +297,8 @@ static void esp_output_done(struct crypto_async_request *base, int err)
esp_ssg_unref(x, tmp);
kfree(tmp);
+ esp_output_encap_csum(skb);
+
if (xo && (xo->flags & XFRM_DEV_RESUME)) {
if (err) {
XFRM_INC_STATS(xs_net(x), LINUX_MIB_XFRMOUTSTATEPROTOERROR);
@@ -154,7 +310,11 @@ static void esp_output_done(struct crypto_async_request *base, int err)
secpath_reset(skb);
xfrm_dev_resume(skb);
} else {
- xfrm_output_resume(skb, err);
+ if (!err &&
+ x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
+ esp_output_tail_tcp(x, skb);
+ else
+ xfrm_output_resume(skb, err);
}
}
@@ -163,7 +323,7 @@ static void esp_restore_header(struct sk_buff *skb, unsigned int offset)
{
struct ip_esp_hdr *esph = (void *)(skb->data + offset);
void *tmp = ESP_SKB_CB(skb)->tmp;
- __be32 *seqhi = esp_tmp_seqhi(tmp);
+ __be32 *seqhi = esp_tmp_extra(tmp);
esph->seq_no = esph->spi;
esph->spi = *seqhi;
@@ -171,27 +331,36 @@ static void esp_restore_header(struct sk_buff *skb, unsigned int offset)
static void esp_output_restore_header(struct sk_buff *skb)
{
- esp_restore_header(skb, skb_transport_offset(skb) - sizeof(__be32));
+ void *tmp = ESP_SKB_CB(skb)->tmp;
+ struct esp_output_extra *extra = esp_tmp_extra(tmp);
+
+ esp_restore_header(skb, skb_transport_offset(skb) + extra->esphoff -
+ sizeof(__be32));
}
static struct ip_esp_hdr *esp_output_set_esn(struct sk_buff *skb,
struct xfrm_state *x,
struct ip_esp_hdr *esph,
- __be32 *seqhi)
+ struct esp_output_extra *extra)
{
/* For ESN we move the header forward by 4 bytes to
* accomodate the high bits. We will move it back after
* encryption.
*/
if ((x->props.flags & XFRM_STATE_ESN)) {
+ __u32 seqhi;
struct xfrm_offload *xo = xfrm_offload(skb);
- esph = (void *)(skb_transport_header(skb) - sizeof(__be32));
- *seqhi = esph->spi;
if (xo)
- esph->seq_no = htonl(xo->seq.hi);
+ seqhi = xo->seq.hi;
else
- esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.hi);
+ seqhi = XFRM_SKB_CB(skb)->seq.output.hi;
+
+ extra->esphoff = (unsigned char *)esph -
+ skb_transport_header(skb);
+ esph = (struct ip_esp_hdr *)((unsigned char *)esph - 4);
+ extra->seqhi = esph->spi;
+ esph->seq_no = htonl(seqhi);
}
esph->spi = x->id.spi;
@@ -207,15 +376,122 @@ static void esp_output_done_esn(struct crypto_async_request *base, int err)
esp_output_done(base, err);
}
+static struct ip_esp_hdr *esp6_output_udp_encap(struct sk_buff *skb,
+ int encap_type,
+ struct esp_info *esp,
+ __be16 sport,
+ __be16 dport)
+{
+ struct udphdr *uh;
+ __be32 *udpdata32;
+ unsigned int len;
+
+ len = skb->len + esp->tailen - skb_transport_offset(skb);
+ if (len > U16_MAX)
+ return ERR_PTR(-EMSGSIZE);
+
+ uh = (struct udphdr *)esp->esph;
+ uh->source = sport;
+ uh->dest = dport;
+ uh->len = htons(len);
+ uh->check = 0;
+
+ *skb_mac_header(skb) = IPPROTO_UDP;
+
+ if (encap_type == UDP_ENCAP_ESPINUDP_NON_IKE) {
+ udpdata32 = (__be32 *)(uh + 1);
+ udpdata32[0] = udpdata32[1] = 0;
+ return (struct ip_esp_hdr *)(udpdata32 + 2);
+ }
+
+ return (struct ip_esp_hdr *)(uh + 1);
+}
+
+#ifdef CONFIG_INET6_ESPINTCP
+static struct ip_esp_hdr *esp6_output_tcp_encap(struct xfrm_state *x,
+ struct sk_buff *skb,
+ struct esp_info *esp)
+{
+ __be16 *lenp = (void *)esp->esph;
+ struct ip_esp_hdr *esph;
+ unsigned int len;
+ struct sock *sk;
+
+ len = skb->len + esp->tailen - skb_transport_offset(skb);
+ if (len > IP_MAX_MTU)
+ return ERR_PTR(-EMSGSIZE);
+
+ rcu_read_lock();
+ sk = esp6_find_tcp_sk(x);
+ rcu_read_unlock();
+
+ if (IS_ERR(sk))
+ return ERR_CAST(sk);
+
+ *lenp = htons(len);
+ esph = (struct ip_esp_hdr *)(lenp + 1);
+
+ return esph;
+}
+#else
+static struct ip_esp_hdr *esp6_output_tcp_encap(struct xfrm_state *x,
+ struct sk_buff *skb,
+ struct esp_info *esp)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
+#endif
+
+static int esp6_output_encap(struct xfrm_state *x, struct sk_buff *skb,
+ struct esp_info *esp)
+{
+ struct xfrm_encap_tmpl *encap = x->encap;
+ struct ip_esp_hdr *esph;
+ __be16 sport, dport;
+ int encap_type;
+
+ spin_lock_bh(&x->lock);
+ sport = encap->encap_sport;
+ dport = encap->encap_dport;
+ encap_type = encap->encap_type;
+ spin_unlock_bh(&x->lock);
+
+ switch (encap_type) {
+ default:
+ case UDP_ENCAP_ESPINUDP:
+ case UDP_ENCAP_ESPINUDP_NON_IKE:
+ esph = esp6_output_udp_encap(skb, encap_type, esp, sport, dport);
+ break;
+ case TCP_ENCAP_ESPINTCP:
+ esph = esp6_output_tcp_encap(x, skb, esp);
+ break;
+ }
+
+ if (IS_ERR(esph))
+ return PTR_ERR(esph);
+
+ esp->esph = esph;
+
+ return 0;
+}
+
int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *esp)
{
u8 *tail;
u8 *vaddr;
int nfrags;
+ int esph_offset;
struct page *page;
struct sk_buff *trailer;
int tailen = esp->tailen;
+ if (x->encap) {
+ int err = esp6_output_encap(x, skb, esp);
+
+ if (err < 0)
+ return err;
+ }
+
if (!skb_cloned(skb)) {
if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
@@ -274,10 +550,13 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
}
cow:
+ esph_offset = (unsigned char *)esp->esph - skb_transport_header(skb);
+
nfrags = skb_cow_data(skb, tailen, &trailer);
if (nfrags < 0)
goto out;
tail = skb_tail_pointer(trailer);
+ esp->esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset);
skip_cow:
esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
@@ -295,20 +574,20 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
void *tmp;
int ivlen;
int assoclen;
- int seqhilen;
- __be32 *seqhi;
+ int extralen;
struct page *page;
struct ip_esp_hdr *esph;
struct aead_request *req;
struct crypto_aead *aead;
struct scatterlist *sg, *dsg;
+ struct esp_output_extra *extra;
int err = -ENOMEM;
assoclen = sizeof(struct ip_esp_hdr);
- seqhilen = 0;
+ extralen = 0;
if (x->props.flags & XFRM_STATE_ESN) {
- seqhilen += sizeof(__be32);
+ extralen += sizeof(*extra);
assoclen += sizeof(__be32);
}
@@ -316,12 +595,12 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
alen = crypto_aead_authsize(aead);
ivlen = crypto_aead_ivsize(aead);
- tmp = esp_alloc_tmp(aead, esp->nfrags + 2, seqhilen);
+ tmp = esp_alloc_tmp(aead, esp->nfrags + 2, extralen);
if (!tmp)
goto error;
- seqhi = esp_tmp_seqhi(tmp);
- iv = esp_tmp_iv(aead, tmp, seqhilen);
+ extra = esp_tmp_extra(tmp);
+ iv = esp_tmp_iv(aead, tmp, extralen);
req = esp_tmp_req(aead, iv);
sg = esp_req_sg(aead, req);
@@ -330,7 +609,8 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
else
dsg = &sg[esp->nfrags];
- esph = esp_output_set_esn(skb, x, ip_esp_hdr(skb), seqhi);
+ esph = esp_output_set_esn(skb, x, esp->esph, extra);
+ esp->esph = esph;
sg_init_table(sg, esp->nfrags);
err = skb_to_sgvec(skb, sg,
@@ -394,11 +674,15 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
case 0:
if ((x->props.flags & XFRM_STATE_ESN))
esp_output_restore_header(skb);
+ esp_output_encap_csum(skb);
}
if (sg != dsg)
esp_ssg_unref(x, tmp);
+ if (!err && x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
+ err = esp_output_tail_tcp(x, skb);
+
error_free:
kfree(tmp);
error:
@@ -438,11 +722,13 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb)
esp.plen = esp.clen - skb->len - esp.tfclen;
esp.tailen = esp.tfclen + esp.plen + alen;
+ esp.esph = ip_esp_hdr(skb);
+
esp.nfrags = esp6_output_head(x, skb, &esp);
if (esp.nfrags < 0)
return esp.nfrags;
- esph = ip_esp_hdr(skb);
+ esph = esp.esph;
esph->spi = x->id.spi;
esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.low);
@@ -517,6 +803,60 @@ int esp6_input_done2(struct sk_buff *skb, int err)
if (unlikely(err < 0))
goto out;
+ if (x->encap) {
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ struct xfrm_encap_tmpl *encap = x->encap;
+ struct udphdr *uh = (void *)(skb_network_header(skb) + hdr_len);
+ struct tcphdr *th = (void *)(skb_network_header(skb) + hdr_len);
+ __be16 source;
+
+ switch (x->encap->encap_type) {
+ case TCP_ENCAP_ESPINTCP:
+ source = th->source;
+ break;
+ case UDP_ENCAP_ESPINUDP:
+ case UDP_ENCAP_ESPINUDP_NON_IKE:
+ source = uh->source;
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ err = -EINVAL;
+ goto out;
+ }
+
+ /*
+ * 1) if the NAT-T peer's IP or port changed then
+ * advertize the change to the keying daemon.
+ * This is an inbound SA, so just compare
+ * SRC ports.
+ */
+ if (!ipv6_addr_equal(&ip6h->saddr, &x->props.saddr.in6) ||
+ source != encap->encap_sport) {
+ xfrm_address_t ipaddr;
+
+ memcpy(&ipaddr.a6, &ip6h->saddr.s6_addr, sizeof(ipaddr.a6));
+ km_new_mapping(x, &ipaddr, source);
+
+ /* XXX: perhaps add an extra
+ * policy check here, to see
+ * if we should allow or
+ * reject a packet from a
+ * different source
+ * address/port.
+ */
+ }
+
+ /*
+ * 2) ignore UDP/TCP checksums in case
+ * of NAT-T in Transport Mode, or
+ * perform other post-processing fixes
+ * as per draft-ietf-ipsec-udp-encaps-06,
+ * section 3.1.2
+ */
+ if (x->props.mode == XFRM_MODE_TRANSPORT)
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ }
+
skb_postpull_rcsum(skb, skb_network_header(skb),
skb_network_header_len(skb));
skb_pull_rcsum(skb, hlen);
@@ -632,7 +972,7 @@ skip_cow:
goto out;
ESP_SKB_CB(skb)->tmp = tmp;
- seqhi = esp_tmp_seqhi(tmp);
+ seqhi = esp_tmp_extra(tmp);
iv = esp_tmp_iv(aead, tmp, seqhilen);
req = esp_tmp_req(aead, iv);
sg = esp_req_sg(aead, req);
@@ -836,9 +1176,6 @@ static int esp6_init_state(struct xfrm_state *x)
u32 align;
int err;
- if (x->encap)
- return -EINVAL;
-
x->data = NULL;
if (x->aead)
@@ -867,6 +1204,30 @@ static int esp6_init_state(struct xfrm_state *x)
break;
}
+ if (x->encap) {
+ struct xfrm_encap_tmpl *encap = x->encap;
+
+ switch (encap->encap_type) {
+ default:
+ err = -EINVAL;
+ goto error;
+ case UDP_ENCAP_ESPINUDP:
+ x->props.header_len += sizeof(struct udphdr);
+ break;
+ case UDP_ENCAP_ESPINUDP_NON_IKE:
+ x->props.header_len += sizeof(struct udphdr) + 2 * sizeof(u32);
+ break;
+#ifdef CONFIG_INET6_ESPINTCP
+ case TCP_ENCAP_ESPINTCP:
+ /* only the length field, TCP encap is done by
+ * the socket
+ */
+ x->props.header_len += 2;
+ break;
+#endif
+ }
+ }
+
align = ALIGN(crypto_aead_blocksize(aead), 4);
x->props.trailer_len = align + 1 + crypto_aead_authsize(aead);
@@ -893,6 +1254,7 @@ static const struct xfrm_type esp6_type = {
static struct xfrm6_protocol esp6_protocol = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = esp6_rcv_cb,
.err_handler = esp6_err,
.priority = 0,
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index 8eab2c869d61..55addea1948f 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -85,10 +85,8 @@ static struct sk_buff *esp6_gro_receive(struct list_head *head,
sp->olen++;
xo = xfrm_offload(skb);
- if (!xo) {
- xfrm_state_put(x);
+ if (!xo)
goto out_reset;
- }
}
xo->flags |= XFRM_GRO;
@@ -123,9 +121,16 @@ static void esp6_gso_encap(struct xfrm_state *x, struct sk_buff *skb)
struct ip_esp_hdr *esph;
struct ipv6hdr *iph = ipv6_hdr(skb);
struct xfrm_offload *xo = xfrm_offload(skb);
- int proto = iph->nexthdr;
+ u8 proto = iph->nexthdr;
skb_push(skb, -skb_network_offset(skb));
+
+ if (x->outer_mode.encap == XFRM_MODE_TRANSPORT) {
+ __be16 frag;
+
+ ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &proto, &frag);
+ }
+
esph = ip_esp_hdr(skb);
*skb_mac_header(skb) = IPPROTO_ESP;
@@ -166,23 +171,31 @@ static struct sk_buff *xfrm6_beet_gso_segment(struct xfrm_state *x,
struct xfrm_offload *xo = xfrm_offload(skb);
struct sk_buff *segs = ERR_PTR(-EINVAL);
const struct net_offload *ops;
- int proto = xo->proto;
+ u8 proto = xo->proto;
skb->transport_header += x->props.header_len;
- if (proto == IPPROTO_BEETPH) {
- struct ip_beet_phdr *ph = (struct ip_beet_phdr *)skb->data;
-
- skb->transport_header += ph->hdrlen * 8;
- proto = ph->nexthdr;
- }
-
if (x->sel.family != AF_INET6) {
skb->transport_header -=
(sizeof(struct ipv6hdr) - sizeof(struct iphdr));
+ if (proto == IPPROTO_BEETPH) {
+ struct ip_beet_phdr *ph =
+ (struct ip_beet_phdr *)skb->data;
+
+ skb->transport_header += ph->hdrlen * 8;
+ proto = ph->nexthdr;
+ } else {
+ skb->transport_header -= IPV4_BEET_PHMAXLEN;
+ }
+
if (proto == IPPROTO_TCP)
skb_shinfo(skb)->gso_type |= SKB_GSO_TCPV6;
+ } else {
+ __be16 frag;
+
+ skb->transport_header +=
+ ipv6_skip_exthdr(skb, 0, &proto, &frag);
}
__skb_pull(skb, skb_transport_offset(skb));
@@ -271,7 +284,6 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features
int alen;
int blksize;
struct xfrm_offload *xo;
- struct ip_esp_hdr *esph;
struct crypto_aead *aead;
struct esp_info esp;
bool hw_offload = true;
@@ -312,13 +324,13 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features
seq = xo->seq.low;
- esph = ip_esp_hdr(skb);
- esph->spi = x->id.spi;
+ esp.esph = ip_esp_hdr(skb);
+ esp.esph->spi = x->id.spi;
skb_push(skb, -skb_network_offset(skb));
if (xo->flags & XFRM_GSO_SEGMENT) {
- esph->seq_no = htonl(seq);
+ esp.esph->seq_no = htonl(seq);
if (!skb_is_gso(skb))
xo->seq.low++;
diff --git a/net/ipv6/ila/ila.h b/net/ipv6/ila/ila.h
index bb6fc0d54dae..ad5f6f6ba333 100644
--- a/net/ipv6/ila/ila.h
+++ b/net/ipv6/ila/ila.h
@@ -68,11 +68,6 @@ static inline struct ila_addr *ila_a2i(struct in6_addr *addr)
return (struct ila_addr *)addr;
}
-static inline bool ila_addr_is_ila(struct ila_addr *iaddr)
-{
- return (iaddr->ident.type != ILA_ATYPE_IID);
-}
-
struct ila_params {
struct ila_locator locator;
struct ila_locator locator_match;
diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c
index 5fc1f4e0c0cf..a1ac0e3d8c60 100644
--- a/net/ipv6/ila/ila_xlat.c
+++ b/net/ipv6/ila/ila_xlat.c
@@ -601,8 +601,6 @@ out_ret:
return ret;
}
-#define ILA_HASH_TABLE_SIZE 1024
-
int ila_xlat_init_net(struct net *net)
{
struct ila_net *ilan = net_generic(net, ila_net_id);
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 46ed56719476..49ee89bbcba0 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -664,7 +664,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
if (arg.filter.table_id) {
tb = fib6_get_table(net, arg.filter.table_id);
if (!tb) {
- if (arg.filter.dump_all_families)
+ if (rtnl_msg_family(cb->nlh) != PF_INET6)
goto out;
NL_SET_ERR_MSG_MOD(cb->extack, "FIB table does not exist");
@@ -2467,7 +2467,7 @@ void fib6_gc_cleanup(void)
}
#ifdef CONFIG_PROC_FS
-static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+static int ipv6_route_native_seq_show(struct seq_file *seq, void *v)
{
struct fib6_info *rt = v;
struct ipv6_route_iter *iter = seq->private;
@@ -2625,7 +2625,7 @@ static bool ipv6_route_iter_active(struct ipv6_route_iter *iter)
return w->node && !(w->state == FWS_U && w->node == w->root);
}
-static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v)
__releases(RCU_BH)
{
struct net *net = seq_file_net(seq);
@@ -2637,6 +2637,62 @@ static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
rcu_read_unlock_bh();
}
+#if IS_BUILTIN(CONFIG_IPV6) && defined(CONFIG_BPF_SYSCALL)
+static int ipv6_route_prog_seq_show(struct bpf_prog *prog,
+ struct bpf_iter_meta *meta,
+ void *v)
+{
+ struct bpf_iter__ipv6_route ctx;
+
+ ctx.meta = meta;
+ ctx.rt = v;
+ return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+{
+ struct ipv6_route_iter *iter = seq->private;
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+ int ret;
+
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, false);
+ if (!prog)
+ return ipv6_route_native_seq_show(seq, v);
+
+ ret = ipv6_route_prog_seq_show(prog, &meta, v);
+ iter->w.leaf = NULL;
+
+ return ret;
+}
+
+static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+{
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+
+ if (!v) {
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, true);
+ if (prog)
+ (void)ipv6_route_prog_seq_show(prog, &meta, v);
+ }
+
+ ipv6_route_native_seq_stop(seq, v);
+}
+#else
+static int ipv6_route_seq_show(struct seq_file *seq, void *v)
+{
+ return ipv6_route_native_seq_show(seq, v);
+}
+
+static void ipv6_route_seq_stop(struct seq_file *seq, void *v)
+{
+ ipv6_route_native_seq_stop(seq, v);
+}
+#endif
+
const struct seq_operations ipv6_route_seq_ops = {
.start = ipv6_route_seq_start,
.next = ipv6_route_seq_next,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4703b09808d0..821d96c720b9 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -89,6 +89,11 @@ struct ip6_tnl_net {
struct ip6_tnl __rcu *collect_md_tun;
};
+static inline int ip6_tnl_mpls_supported(void)
+{
+ return IS_ENABLED(CONFIG_MPLS);
+}
+
static struct net_device_stats *ip6_get_stats(struct net_device *dev)
{
struct pcpu_sw_netstats tmp, sum = { 0 };
@@ -718,6 +723,20 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
return 0;
}
+static int
+mplsip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ u8 type, u8 code, int offset, __be32 info)
+{
+ __u32 rel_info = ntohl(info);
+ int err, rel_msg = 0;
+ u8 rel_type = type;
+ u8 rel_code = code;
+
+ err = ip6_tnl_err(skb, IPPROTO_MPLS, opt, &rel_type, &rel_code,
+ &rel_msg, &rel_info, offset);
+ return err;
+}
+
static int ip4ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
const struct ipv6hdr *ipv6h,
struct sk_buff *skb)
@@ -740,6 +759,14 @@ static int ip6ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
return IP6_ECN_decapsulate(ipv6h, skb);
}
+static inline int mplsip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h,
+ struct sk_buff *skb)
+{
+ /* ECN is not supported in AF_MPLS */
+ return 0;
+}
+
__u32 ip6_tnl_get_cap(struct ip6_tnl *t,
const struct in6_addr *laddr,
const struct in6_addr *raddr)
@@ -901,6 +928,11 @@ static const struct tnl_ptk_info tpi_v4 = {
.proto = htons(ETH_P_IP),
};
+static const struct tnl_ptk_info tpi_mpls = {
+ /* no tunnel info required for mplsip6. */
+ .proto = htons(ETH_P_MPLS_UC),
+};
+
static int ipxip6_rcv(struct sk_buff *skb, u8 ipproto,
const struct tnl_ptk_info *tpi,
int (*dscp_ecn_decapsulate)(const struct ip6_tnl *t,
@@ -958,6 +990,12 @@ static int ip6ip6_rcv(struct sk_buff *skb)
ip6ip6_dscp_ecn_decapsulate);
}
+static int mplsip6_rcv(struct sk_buff *skb)
+{
+ return ipxip6_rcv(skb, IPPROTO_MPLS, &tpi_mpls,
+ mplsip6_dscp_ecn_decapsulate);
+}
+
struct ipv6_tel_txoption {
struct ipv6_txoptions ops;
__u8 dst_opt[8];
@@ -1232,6 +1270,8 @@ route_lookup:
ipv6_push_frag_opts(skb, &opt.ops, &proto);
}
+ skb_set_inner_ipproto(skb, proto);
+
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
@@ -1253,22 +1293,22 @@ tx_err_dst_release:
EXPORT_SYMBOL(ip6_tnl_xmit);
static inline int
-ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
+ipxip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev,
+ u8 protocol)
{
struct ip6_tnl *t = netdev_priv(dev);
+ struct ipv6hdr *ipv6h;
const struct iphdr *iph;
int encap_limit = -1;
+ __u16 offset;
struct flowi6 fl6;
- __u8 dsfield;
+ __u8 dsfield, orig_dsfield;
__u32 mtu;
u8 tproto;
int err;
- iph = ip_hdr(skb);
- memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
-
tproto = READ_ONCE(t->parms.proto);
- if (tproto != IPPROTO_IPIP && tproto != 0)
+ if (tproto != protocol && tproto != 0)
return -1;
if (t->parms.collect_md) {
@@ -1281,129 +1321,100 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
return -1;
key = &tun_info->key;
memset(&fl6, 0, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPIP;
+ fl6.flowi6_proto = protocol;
fl6.saddr = key->u.ipv6.src;
fl6.daddr = key->u.ipv6.dst;
fl6.flowlabel = key->label;
dsfield = key->tos;
+ switch (protocol) {
+ case IPPROTO_IPIP:
+ iph = ip_hdr(skb);
+ orig_dsfield = ipv4_get_dsfield(iph);
+ break;
+ case IPPROTO_IPV6:
+ ipv6h = ipv6_hdr(skb);
+ orig_dsfield = ipv6_get_dsfield(ipv6h);
+ break;
+ default:
+ orig_dsfield = dsfield;
+ break;
+ }
} else {
if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
encap_limit = t->parms.encap_limit;
+ if (protocol == IPPROTO_IPV6) {
+ offset = ip6_tnl_parse_tlv_enc_lim(skb,
+ skb_network_header(skb));
+ /* ip6_tnl_parse_tlv_enc_lim() might have
+ * reallocated skb->head
+ */
+ if (offset > 0) {
+ struct ipv6_tlv_tnl_enc_lim *tel;
- memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPIP;
-
- if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
- dsfield = ipv4_get_dsfield(iph);
- else
- dsfield = ip6_tclass(t->parms.flowinfo);
- if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
- fl6.flowi6_mark = skb->mark;
- else
- fl6.flowi6_mark = t->parms.fwmark;
- }
-
- fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL);
- dsfield = INET_ECN_encapsulate(dsfield, ipv4_get_dsfield(iph));
-
- if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
- return -1;
-
- skb_set_inner_ipproto(skb, IPPROTO_IPIP);
-
- err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
- IPPROTO_IPIP);
- if (err != 0) {
- /* XXX: send ICMP error even if DF is not set. */
- if (err == -EMSGSIZE)
- icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
- htonl(mtu));
- return -1;
- }
-
- return 0;
-}
-
-static inline int
-ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct ip6_tnl *t = netdev_priv(dev);
- struct ipv6hdr *ipv6h;
- int encap_limit = -1;
- __u16 offset;
- struct flowi6 fl6;
- __u8 dsfield;
- __u32 mtu;
- u8 tproto;
- int err;
-
- ipv6h = ipv6_hdr(skb);
- tproto = READ_ONCE(t->parms.proto);
- if ((tproto != IPPROTO_IPV6 && tproto != 0) ||
- ip6_tnl_addr_conflict(t, ipv6h))
- return -1;
-
- if (t->parms.collect_md) {
- struct ip_tunnel_info *tun_info;
- const struct ip_tunnel_key *key;
-
- tun_info = skb_tunnel_info(skb);
- if (unlikely(!tun_info || !(tun_info->mode & IP_TUNNEL_INFO_TX) ||
- ip_tunnel_info_af(tun_info) != AF_INET6))
- return -1;
- key = &tun_info->key;
- memset(&fl6, 0, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPV6;
- fl6.saddr = key->u.ipv6.src;
- fl6.daddr = key->u.ipv6.dst;
- fl6.flowlabel = key->label;
- dsfield = key->tos;
- } else {
- offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb));
- /* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */
- ipv6h = ipv6_hdr(skb);
- if (offset > 0) {
- struct ipv6_tlv_tnl_enc_lim *tel;
-
- tel = (void *)&skb_network_header(skb)[offset];
- if (tel->encap_limit == 0) {
- icmpv6_send(skb, ICMPV6_PARAMPROB,
- ICMPV6_HDR_FIELD, offset + 2);
- return -1;
+ tel = (void *)&skb_network_header(skb)[offset];
+ if (tel->encap_limit == 0) {
+ icmpv6_send(skb, ICMPV6_PARAMPROB,
+ ICMPV6_HDR_FIELD, offset + 2);
+ return -1;
+ }
+ encap_limit = tel->encap_limit - 1;
}
- encap_limit = tel->encap_limit - 1;
- } else if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) {
- encap_limit = t->parms.encap_limit;
}
memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
- fl6.flowi6_proto = IPPROTO_IPV6;
+ fl6.flowi6_proto = protocol;
- if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
- dsfield = ipv6_get_dsfield(ipv6h);
- else
- dsfield = ip6_tclass(t->parms.flowinfo);
- if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
- fl6.flowlabel |= ip6_flowlabel(ipv6h);
if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
fl6.flowi6_mark = skb->mark;
else
fl6.flowi6_mark = t->parms.fwmark;
+ switch (protocol) {
+ case IPPROTO_IPIP:
+ iph = ip_hdr(skb);
+ orig_dsfield = ipv4_get_dsfield(iph);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
+ dsfield = orig_dsfield;
+ else
+ dsfield = ip6_tclass(t->parms.flowinfo);
+ break;
+ case IPPROTO_IPV6:
+ ipv6h = ipv6_hdr(skb);
+ orig_dsfield = ipv6_get_dsfield(ipv6h);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
+ dsfield = orig_dsfield;
+ else
+ dsfield = ip6_tclass(t->parms.flowinfo);
+ if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
+ fl6.flowlabel |= ip6_flowlabel(ipv6h);
+ break;
+ default:
+ orig_dsfield = dsfield = ip6_tclass(t->parms.flowinfo);
+ break;
+ }
}
fl6.flowi6_uid = sock_net_uid(dev_net(dev), NULL);
- dsfield = INET_ECN_encapsulate(dsfield, ipv6_get_dsfield(ipv6h));
+ dsfield = INET_ECN_encapsulate(dsfield, orig_dsfield);
if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
return -1;
- skb_set_inner_ipproto(skb, IPPROTO_IPV6);
-
err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
- IPPROTO_IPV6);
+ protocol);
if (err != 0) {
+ /* XXX: send ICMP error even if DF is not set. */
if (err == -EMSGSIZE)
- icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+ switch (protocol) {
+ case IPPROTO_IPIP:
+ icmp_send(skb, ICMP_DEST_UNREACH,
+ ICMP_FRAG_NEEDED, htonl(mtu));
+ break;
+ case IPPROTO_IPV6:
+ icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+ break;
+ default:
+ break;
+ }
return -1;
}
@@ -1415,6 +1426,7 @@ ip6_tnl_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
struct net_device_stats *stats = &t->dev->stats;
+ u8 ipproto;
int ret;
if (!pskb_inet_may_pull(skb))
@@ -1422,15 +1434,21 @@ ip6_tnl_start_xmit(struct sk_buff *skb, struct net_device *dev)
switch (skb->protocol) {
case htons(ETH_P_IP):
- ret = ip4ip6_tnl_xmit(skb, dev);
+ ipproto = IPPROTO_IPIP;
break;
case htons(ETH_P_IPV6):
- ret = ip6ip6_tnl_xmit(skb, dev);
+ if (ip6_tnl_addr_conflict(t, ipv6_hdr(skb)))
+ goto tx_err;
+ ipproto = IPPROTO_IPV6;
+ break;
+ case htons(ETH_P_MPLS_UC):
+ ipproto = IPPROTO_MPLS;
break;
default:
goto tx_err;
}
+ ret = ipxip6_tnl_xmit(skb, dev, ipproto);
if (ret < 0)
goto tx_err;
@@ -2218,6 +2236,12 @@ static struct xfrm6_tunnel ip6ip6_handler __read_mostly = {
.priority = 1,
};
+static struct xfrm6_tunnel mplsip6_handler __read_mostly = {
+ .handler = mplsip6_rcv,
+ .err_handler = mplsip6_err,
+ .priority = 1,
+};
+
static void __net_exit ip6_tnl_destroy_tunnels(struct net *net, struct list_head *list)
{
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
@@ -2332,6 +2356,15 @@ static int __init ip6_tunnel_init(void)
pr_err("%s: can't register ip6ip6\n", __func__);
goto out_ip6ip6;
}
+
+ if (ip6_tnl_mpls_supported()) {
+ err = xfrm6_tunnel_register(&mplsip6_handler, AF_MPLS);
+ if (err < 0) {
+ pr_err("%s: can't register mplsip6\n", __func__);
+ goto out_mplsip6;
+ }
+ }
+
err = rtnl_link_register(&ip6_link_ops);
if (err < 0)
goto rtnl_link_failed;
@@ -2339,6 +2372,9 @@ static int __init ip6_tunnel_init(void)
return 0;
rtnl_link_failed:
+ if (ip6_tnl_mpls_supported())
+ xfrm6_tunnel_deregister(&mplsip6_handler, AF_MPLS);
+out_mplsip6:
xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6);
out_ip6ip6:
xfrm6_tunnel_deregister(&ip4ip6_handler, AF_INET);
@@ -2361,6 +2397,9 @@ static void __exit ip6_tunnel_cleanup(void)
if (xfrm6_tunnel_deregister(&ip6ip6_handler, AF_INET6))
pr_info("%s: can't deregister ip6ip6\n", __func__);
+ if (ip6_tnl_mpls_supported() &&
+ xfrm6_tunnel_deregister(&mplsip6_handler, AF_MPLS))
+ pr_info("%s: can't deregister mplsip6\n", __func__);
unregister_pernet_device(&ip6_tnl_net_ops);
}
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index 58956a6b66a2..cdc4d4ee2420 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -25,17 +25,12 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg,
goto error;
if (cfg->ipv6_v6only) {
- int val = 1;
-
- err = kernel_setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
- (char *) &val, sizeof(val));
+ err = ip6_sock_set_v6only(sock->sk);
if (err < 0)
goto error;
}
if (cfg->bind_ifindex) {
- err = kernel_setsockopt(sock, SOL_SOCKET, SO_BINDTOIFINDEX,
- (void *)&cfg->bind_ifindex,
- sizeof(cfg->bind_ifindex));
+ err = sock_bindtoindex(sock->sk, cfg->bind_ifindex, true);
if (err < 0)
goto error;
}
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index cc6180e08a4f..1147f647b9a0 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -296,7 +296,8 @@ static void vti6_dev_uninit(struct net_device *dev)
dev_put(dev);
}
-static int vti6_rcv(struct sk_buff *skb)
+static int vti6_input_proto(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type)
{
struct ip6_tnl *t;
const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
@@ -323,7 +324,10 @@ static int vti6_rcv(struct sk_buff *skb)
rcu_read_unlock();
- return xfrm6_rcv_tnl(skb, t);
+ XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = t;
+ XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
+ XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
+ return xfrm_input(skb, nexthdr, spi, encap_type);
}
rcu_read_unlock();
return -EINVAL;
@@ -332,6 +336,13 @@ discard:
return 0;
}
+static int vti6_rcv(struct sk_buff *skb)
+{
+ int nexthdr = skb_network_header(skb)[IP6CB(skb)->nhoff];
+
+ return vti6_input_proto(skb, nexthdr, 0, 0);
+}
+
static int vti6_rcv_cb(struct sk_buff *skb, int err)
{
unsigned short family;
@@ -1185,6 +1196,7 @@ static struct pernet_operations vti6_net_ops = {
static struct xfrm6_protocol vti_esp6_protocol __read_mostly = {
.handler = vti6_rcv,
+ .input_handler = vti6_input_proto,
.cb_handler = vti6_rcv_cb,
.err_handler = vti6_err,
.priority = 100,
@@ -1192,6 +1204,7 @@ static struct xfrm6_protocol vti_esp6_protocol __read_mostly = {
static struct xfrm6_protocol vti_ah6_protocol __read_mostly = {
.handler = vti6_rcv,
+ .input_handler = vti6_input_proto,
.cb_handler = vti6_rcv_cb,
.err_handler = vti6_err,
.priority = 100,
@@ -1199,6 +1212,7 @@ static struct xfrm6_protocol vti_ah6_protocol __read_mostly = {
static struct xfrm6_protocol vti_ipcomp6_protocol __read_mostly = {
.handler = vti6_rcv,
+ .input_handler = vti6_input_proto,
.cb_handler = vti6_rcv_cb,
.err_handler = vti6_err,
.priority = 100,
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 65a54d74acc1..1f4d20e97c07 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -98,7 +98,8 @@ static void ipmr_expire_process(struct timer_list *t);
#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
#define ip6mr_for_each_table(mrt, net) \
list_for_each_entry_rcu(mrt, &net->ipv6.mr6_tables, list, \
- lockdep_rtnl_is_held())
+ lockdep_rtnl_is_held() || \
+ list_empty(&net->ipv6.mr6_tables))
static struct mr_table *ip6mr_mr_table_iter(struct net *net,
struct mr_table *mrt)
@@ -2502,7 +2503,7 @@ static int ip6mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb)
mrt = ip6mr_get_table(sock_net(skb->sk), filter.table_id);
if (!mrt) {
- if (filter.dump_all_families)
+ if (rtnl_msg_family(cb->nlh) != RTNL_FAMILY_IP6MR)
return skb->len;
NL_SET_ERR_MSG_MOD(cb->extack, "MR table does not exist");
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 3752bd3e92ce..99668bfebd85 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -183,6 +183,7 @@ static const struct xfrm_type ipcomp6_type = {
static struct xfrm6_protocol ipcomp6_protocol = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = ipcomp6_rcv_cb,
.err_handler = ipcomp6_err,
.priority = 0,
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index debdaeba5d8c..2c843ff5e3a9 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -136,6 +136,41 @@ static bool setsockopt_needs_rtnl(int optname)
return false;
}
+static int do_ipv6_mcast_group_source(struct sock *sk, int optname,
+ struct group_source_req *greqs)
+{
+ int omode, add;
+
+ if (greqs->gsr_group.ss_family != AF_INET6 ||
+ greqs->gsr_source.ss_family != AF_INET6)
+ return -EADDRNOTAVAIL;
+
+ if (optname == MCAST_BLOCK_SOURCE) {
+ omode = MCAST_EXCLUDE;
+ add = 1;
+ } else if (optname == MCAST_UNBLOCK_SOURCE) {
+ omode = MCAST_EXCLUDE;
+ add = 0;
+ } else if (optname == MCAST_JOIN_SOURCE_GROUP) {
+ struct sockaddr_in6 *psin6;
+ int retv;
+
+ psin6 = (struct sockaddr_in6 *)&greqs->gsr_group;
+ retv = ipv6_sock_mc_join_ssm(sk, greqs->gsr_interface,
+ &psin6->sin6_addr,
+ MCAST_INCLUDE);
+ /* prior join w/ different source is ok */
+ if (retv && retv != -EADDRINUSE)
+ return retv;
+ omode = MCAST_INCLUDE;
+ add = 1;
+ } else /* MCAST_LEAVE_SOURCE_GROUP */ {
+ omode = MCAST_INCLUDE;
+ add = 0;
+ }
+ return ip6_mc_source(add, omode, sk, greqs);
+}
+
static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen)
{
@@ -188,10 +223,10 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
retv = -EBUSY;
break;
}
- break;
} else {
break;
}
+
if (sk->sk_state != TCP_ESTABLISHED) {
retv = -ENOTCONN;
break;
@@ -716,7 +751,6 @@ done:
case MCAST_UNBLOCK_SOURCE:
{
struct group_source_req greqs;
- int omode, add;
if (optlen < sizeof(struct group_source_req))
goto e_inval;
@@ -724,34 +758,7 @@ done:
retv = -EFAULT;
break;
}
- if (greqs.gsr_group.ss_family != AF_INET6 ||
- greqs.gsr_source.ss_family != AF_INET6) {
- retv = -EADDRNOTAVAIL;
- break;
- }
- if (optname == MCAST_BLOCK_SOURCE) {
- omode = MCAST_EXCLUDE;
- add = 1;
- } else if (optname == MCAST_UNBLOCK_SOURCE) {
- omode = MCAST_EXCLUDE;
- add = 0;
- } else if (optname == MCAST_JOIN_SOURCE_GROUP) {
- struct sockaddr_in6 *psin6;
-
- psin6 = (struct sockaddr_in6 *)&greqs.gsr_group;
- retv = ipv6_sock_mc_join_ssm(sk, greqs.gsr_interface,
- &psin6->sin6_addr,
- MCAST_INCLUDE);
- /* prior join w/ different source is ok */
- if (retv && retv != -EADDRINUSE)
- break;
- omode = MCAST_INCLUDE;
- add = 1;
- } else /* MCAST_LEAVE_SOURCE_GROUP */ {
- omode = MCAST_INCLUDE;
- add = 0;
- }
- retv = ip6_mc_source(add, omode, sk, &greqs);
+ retv = do_ipv6_mcast_group_source(sk, optname, &greqs);
break;
}
case MCAST_MSFILTER:
@@ -781,7 +788,7 @@ done:
retv = -EINVAL;
break;
}
- retv = ip6_mc_msfilter(sk, gsf);
+ retv = ip6_mc_msfilter(sk, gsf, gsf->gf_slist);
kfree(gsf);
break;
@@ -839,67 +846,10 @@ done:
break;
case IPV6_ADDR_PREFERENCES:
- {
- unsigned int pref = 0;
- unsigned int prefmask = ~0;
-
if (optlen < sizeof(int))
goto e_inval;
-
- retv = -EINVAL;
-
- /* check PUBLIC/TMP/PUBTMP_DEFAULT conflicts */
- switch (val & (IPV6_PREFER_SRC_PUBLIC|
- IPV6_PREFER_SRC_TMP|
- IPV6_PREFER_SRC_PUBTMP_DEFAULT)) {
- case IPV6_PREFER_SRC_PUBLIC:
- pref |= IPV6_PREFER_SRC_PUBLIC;
- break;
- case IPV6_PREFER_SRC_TMP:
- pref |= IPV6_PREFER_SRC_TMP;
- break;
- case IPV6_PREFER_SRC_PUBTMP_DEFAULT:
- break;
- case 0:
- goto pref_skip_pubtmp;
- default:
- goto e_inval;
- }
-
- prefmask &= ~(IPV6_PREFER_SRC_PUBLIC|
- IPV6_PREFER_SRC_TMP);
-pref_skip_pubtmp:
-
- /* check HOME/COA conflicts */
- switch (val & (IPV6_PREFER_SRC_HOME|IPV6_PREFER_SRC_COA)) {
- case IPV6_PREFER_SRC_HOME:
- break;
- case IPV6_PREFER_SRC_COA:
- pref |= IPV6_PREFER_SRC_COA;
- case 0:
- goto pref_skip_coa;
- default:
- goto e_inval;
- }
-
- prefmask &= ~IPV6_PREFER_SRC_COA;
-pref_skip_coa:
-
- /* check CGA/NONCGA conflicts */
- switch (val & (IPV6_PREFER_SRC_CGA|IPV6_PREFER_SRC_NONCGA)) {
- case IPV6_PREFER_SRC_CGA:
- case IPV6_PREFER_SRC_NONCGA:
- case 0:
- break;
- default:
- goto e_inval;
- }
-
- np->srcprefs = (np->srcprefs & prefmask) | pref;
- retv = 0;
-
+ retv = __ip6_sock_set_addr_preferences(sk, val);
break;
- }
case IPV6_MINHOPCOUNT:
if (optlen < sizeof(int))
goto e_inval;
@@ -974,9 +924,110 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
if (level != SOL_IPV6)
return -ENOPROTOOPT;
- if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER)
- return compat_mc_setsockopt(sk, level, optname, optval, optlen,
- ipv6_setsockopt);
+ switch (optname) {
+ case MCAST_JOIN_GROUP:
+ case MCAST_LEAVE_GROUP:
+ {
+ struct compat_group_req __user *gr32 = (void __user *)optval;
+ struct group_req greq;
+ struct sockaddr_in6 *psin6 = (struct sockaddr_in6 *)&greq.gr_group;
+
+ if (optlen < sizeof(struct compat_group_req))
+ return -EINVAL;
+
+ if (get_user(greq.gr_interface, &gr32->gr_interface) ||
+ copy_from_user(&greq.gr_group, &gr32->gr_group,
+ sizeof(greq.gr_group)))
+ return -EFAULT;
+
+ if (greq.gr_group.ss_family != AF_INET6)
+ return -EADDRNOTAVAIL;
+
+ rtnl_lock();
+ lock_sock(sk);
+ if (optname == MCAST_JOIN_GROUP)
+ err = ipv6_sock_mc_join(sk, greq.gr_interface,
+ &psin6->sin6_addr);
+ else
+ err = ipv6_sock_mc_drop(sk, greq.gr_interface,
+ &psin6->sin6_addr);
+ release_sock(sk);
+ rtnl_unlock();
+ return err;
+ }
+ case MCAST_JOIN_SOURCE_GROUP:
+ case MCAST_LEAVE_SOURCE_GROUP:
+ case MCAST_BLOCK_SOURCE:
+ case MCAST_UNBLOCK_SOURCE:
+ {
+ struct compat_group_source_req __user *gsr32 = (void __user *)optval;
+ struct group_source_req greqs;
+
+ if (optlen < sizeof(struct compat_group_source_req))
+ return -EINVAL;
+
+ if (get_user(greqs.gsr_interface, &gsr32->gsr_interface) ||
+ copy_from_user(&greqs.gsr_group, &gsr32->gsr_group,
+ sizeof(greqs.gsr_group)) ||
+ copy_from_user(&greqs.gsr_source, &gsr32->gsr_source,
+ sizeof(greqs.gsr_source)))
+ return -EFAULT;
+
+ rtnl_lock();
+ lock_sock(sk);
+ err = do_ipv6_mcast_group_source(sk, optname, &greqs);
+ release_sock(sk);
+ rtnl_unlock();
+ return err;
+ }
+ case MCAST_MSFILTER:
+ {
+ const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ struct compat_group_filter *gf32;
+ void *p;
+ int n;
+
+ if (optlen < size0)
+ return -EINVAL;
+ if (optlen > sysctl_optmem_max - 4)
+ return -ENOBUFS;
+
+ p = kmalloc(optlen + 4, GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ gf32 = p + 4; /* we want ->gf_group and ->gf_slist aligned */
+ if (copy_from_user(gf32, optval, optlen)) {
+ err = -EFAULT;
+ goto mc_msf_out;
+ }
+
+ n = gf32->gf_numsrc;
+ /* numsrc >= (4G-140)/128 overflow in 32 bits */
+ if (n >= 0x1ffffffU ||
+ n > sysctl_mld_max_msf) {
+ err = -ENOBUFS;
+ goto mc_msf_out;
+ }
+ if (offsetof(struct compat_group_filter, gf_slist[n]) > optlen) {
+ err = -EINVAL;
+ goto mc_msf_out;
+ }
+
+ rtnl_lock();
+ lock_sock(sk);
+ err = ip6_mc_msfilter(sk, &(struct group_filter){
+ .gf_interface = gf32->gf_interface,
+ .gf_group = gf32->gf_group,
+ .gf_fmode = gf32->gf_fmode,
+ .gf_numsrc = gf32->gf_numsrc}, gf32->gf_slist);
+ release_sock(sk);
+ rtnl_unlock();
+mc_msf_out:
+ kfree(p);
+ return err;
+ }
+ }
err = do_ipv6_setsockopt(sk, level, optname, optval, optlen);
#ifdef CONFIG_NETFILTER
@@ -1049,18 +1100,28 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
break;
case MCAST_MSFILTER:
{
+ struct group_filter __user *p = (void __user *)optval;
struct group_filter gsf;
+ const int size0 = offsetof(struct group_filter, gf_slist);
+ int num;
int err;
- if (len < GROUP_FILTER_SIZE(0))
+ if (len < size0)
return -EINVAL;
- if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0)))
+ if (copy_from_user(&gsf, p, size0))
return -EFAULT;
if (gsf.gf_group.ss_family != AF_INET6)
return -EADDRNOTAVAIL;
+ num = gsf.gf_numsrc;
lock_sock(sk);
- err = ip6_mc_msfget(sk, &gsf,
- (struct group_filter __user *)optval, optlen);
+ err = ip6_mc_msfget(sk, &gsf, p->gf_slist);
+ if (!err) {
+ if (num > gsf.gf_numsrc)
+ num = gsf.gf_numsrc;
+ if (put_user(GROUP_FILTER_SIZE(num), optlen) ||
+ copy_to_user(p, &gsf, size0))
+ err = -EFAULT;
+ }
release_sock(sk);
return err;
}
@@ -1076,6 +1137,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
msg.msg_control = optval;
msg.msg_controllen = len;
msg.msg_flags = flags;
+ msg.msg_control_is_user = true;
lock_sock(sk);
skb = np->pktoptions;
@@ -1428,9 +1490,44 @@ int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
if (level != SOL_IPV6)
return -ENOPROTOOPT;
- if (optname == MCAST_MSFILTER)
- return compat_mc_getsockopt(sk, level, optname, optval, optlen,
- ipv6_getsockopt);
+ if (optname == MCAST_MSFILTER) {
+ const int size0 = offsetof(struct compat_group_filter, gf_slist);
+ struct compat_group_filter __user *p = (void __user *)optval;
+ struct compat_group_filter gf32;
+ struct group_filter gf;
+ int ulen, err;
+ int num;
+
+ if (get_user(ulen, optlen))
+ return -EFAULT;
+
+ if (ulen < size0)
+ return -EINVAL;
+
+ if (copy_from_user(&gf32, p, size0))
+ return -EFAULT;
+
+ gf.gf_interface = gf32.gf_interface;
+ gf.gf_fmode = gf32.gf_fmode;
+ num = gf.gf_numsrc = gf32.gf_numsrc;
+ gf.gf_group = gf32.gf_group;
+
+ if (gf.gf_group.ss_family != AF_INET6)
+ return -EADDRNOTAVAIL;
+ lock_sock(sk);
+ err = ip6_mc_msfget(sk, &gf, p->gf_slist);
+ release_sock(sk);
+ if (err)
+ return err;
+ if (num > gf.gf_numsrc)
+ num = gf.gf_numsrc;
+ ulen = GROUP_FILTER_SIZE(num) - (sizeof(gf)-sizeof(gf32));
+ if (put_user(ulen, optlen) ||
+ put_user(gf.gf_fmode, &p->gf_fmode) ||
+ put_user(gf.gf_numsrc, &p->gf_numsrc))
+ return -EFAULT;
+ return 0;
+ }
err = do_ipv6_getsockopt(sk, level, optname, optval, optlen,
MSG_CMSG_COMPAT);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index eaa4c2cc2fbb..7e12d2114158 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -457,7 +457,8 @@ done:
return err;
}
-int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
+int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf,
+ struct sockaddr_storage *list)
{
const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
@@ -509,10 +510,10 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
goto done;
}
newpsl->sl_max = newpsl->sl_count = gsf->gf_numsrc;
- for (i = 0; i < newpsl->sl_count; ++i) {
+ for (i = 0; i < newpsl->sl_count; ++i, ++list) {
struct sockaddr_in6 *psin6;
- psin6 = (struct sockaddr_in6 *)&gsf->gf_slist[i];
+ psin6 = (struct sockaddr_in6 *)list;
newpsl->sl_addr[i] = psin6->sin6_addr;
}
err = ip6_mc_add_src(idev, group, gsf->gf_fmode,
@@ -547,7 +548,7 @@ done:
}
int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
- struct group_filter __user *optval, int __user *optlen)
+ struct sockaddr_storage *p)
{
int err, i, count, copycount;
const struct in6_addr *group;
@@ -592,14 +593,10 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
copycount = count < gsf->gf_numsrc ? count : gsf->gf_numsrc;
gsf->gf_numsrc = count;
- if (put_user(GROUP_FILTER_SIZE(copycount), optlen) ||
- copy_to_user(optval, gsf, GROUP_FILTER_SIZE(0))) {
- return -EFAULT;
- }
/* changes to psl require the socket lock, and a write lock
* on pmc->sflock. We have the socket lock so reading here is safe.
*/
- for (i = 0; i < copycount; i++) {
+ for (i = 0; i < copycount; i++, p++) {
struct sockaddr_in6 *psin6;
struct sockaddr_storage ss;
@@ -607,7 +604,7 @@ int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
memset(&ss, 0, sizeof(ss));
psin6->sin6_family = AF_INET6;
psin6->sin6_addr = psl->sl_addr[i];
- if (copy_to_user(&optval->gf_slist[i], &ss, sizeof(ss)))
+ if (copy_to_user(p, &ss, sizeof(ss)))
return -EFAULT;
}
return 0;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 1ecd4e9b0bdf..27f29b957ee7 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1302,7 +1302,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
}
}
if (rt && lifetime == 0) {
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
rt = NULL;
}
@@ -1835,7 +1835,8 @@ static void ndisc_warn_deprecated_sysctl(struct ctl_table *ctl,
}
}
-int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *buffer, size_t *lenp, loff_t *ppos)
+int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void *buffer,
+ size_t *lenp, loff_t *ppos)
{
struct net_device *dev = ctl->extra1;
struct inet6_dev *idev;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 0028aa1d7869..8ef5a7b30524 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1377,6 +1377,7 @@ const struct proto_ops inet6_sockraw_ops = {
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 310cbddaa533..82cbb46a2a4f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -984,7 +984,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
gwaddr, dev);
if (rt && !lifetime) {
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
rt = NULL;
}
@@ -1377,7 +1377,7 @@ static struct rt6_info *ip6_rt_pcpu_alloc(const struct fib6_result *res)
rcu_read_lock();
dev = ip6_rt_get_dev_rcu(res);
- pcpu_rt = ip6_dst_alloc(dev_net(dev), dev, flags);
+ pcpu_rt = ip6_dst_alloc(dev_net(dev), dev, flags | DST_NOCOUNT);
rcu_read_unlock();
if (!pcpu_rt) {
fib6_info_release(f6i);
@@ -1385,9 +1385,18 @@ static struct rt6_info *ip6_rt_pcpu_alloc(const struct fib6_result *res)
}
ip6_rt_copy_init(pcpu_rt, res);
pcpu_rt->rt6i_flags |= RTF_PCPU;
+
+ if (f6i->nh)
+ pcpu_rt->sernum = rt_genid_ipv6(dev_net(dev));
+
return pcpu_rt;
}
+static bool rt6_is_valid(const struct rt6_info *rt6)
+{
+ return rt6->sernum == rt_genid_ipv6(dev_net(rt6->dst.dev));
+}
+
/* It should be called with rcu_read_lock() acquired */
static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res)
{
@@ -1395,6 +1404,19 @@ static struct rt6_info *rt6_get_pcpu_route(const struct fib6_result *res)
pcpu_rt = this_cpu_read(*res->nh->rt6i_pcpu);
+ if (pcpu_rt && pcpu_rt->sernum && !rt6_is_valid(pcpu_rt)) {
+ struct rt6_info *prev, **p;
+
+ p = this_cpu_ptr(res->nh->rt6i_pcpu);
+ prev = xchg(p, NULL);
+ if (prev) {
+ dst_dev_put(&prev->dst);
+ dst_release(&prev->dst);
+ }
+
+ pcpu_rt = NULL;
+ }
+
return pcpu_rt;
}
@@ -2593,6 +2615,9 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
rt = container_of(dst, struct rt6_info, dst);
+ if (rt->sernum)
+ return rt6_is_valid(rt) ? dst : NULL;
+
rcu_read_lock();
/* All IPV6 dsts are created with ->obsolete set to the value
@@ -2697,8 +2722,10 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
const struct in6_addr *daddr, *saddr;
struct rt6_info *rt6 = (struct rt6_info *)dst;
- if (dst_metric_locked(dst, RTAX_MTU))
- return;
+ /* Note: do *NOT* check dst_metric_locked(dst, RTAX_MTU)
+ * IPv6 pmtu discovery isn't optional, so 'mtu lock' cannot disable it.
+ * [see also comment in rt6_mtu_change_route()]
+ */
if (iph) {
daddr = &iph->daddr;
@@ -3170,6 +3197,9 @@ static int ip6_dst_gc(struct dst_ops *ops)
int entries;
entries = dst_entries_get_fast(ops);
+ if (entries > rt_max_size)
+ entries = dst_entries_get_slow(ops);
+
if (time_after(rt_last_gc + rt_min_interval, jiffies) &&
entries <= rt_max_size)
goto out;
@@ -3391,6 +3421,11 @@ int fib6_nh_init(struct net *net, struct fib6_nh *fib6_nh,
#ifdef CONFIG_IPV6_ROUTER_PREF
fib6_nh->last_probe = jiffies;
#endif
+ if (cfg->fc_is_fdb) {
+ fib6_nh->fib_nh_gw6 = cfg->fc_gateway;
+ fib6_nh->fib_nh_gw_family = AF_INET6;
+ return 0;
+ }
err = -ENODEV;
if (cfg->fc_ifindex) {
@@ -3729,9 +3764,12 @@ out:
return err;
}
-int ip6_del_rt(struct net *net, struct fib6_info *rt)
+int ip6_del_rt(struct net *net, struct fib6_info *rt, bool skip_notify)
{
- struct nl_info info = { .nl_net = net };
+ struct nl_info info = {
+ .nl_net = net,
+ .skip_notify = skip_notify
+ };
return __ip6_del_rt(rt, &info);
}
@@ -4252,7 +4290,7 @@ restart:
(!idev || idev->cnf.accept_ra != 2) &&
fib6_info_hold_safe(rt)) {
rcu_read_unlock();
- ip6_del_rt(net, rt);
+ ip6_del_rt(net, rt, false);
goto restart;
}
}
@@ -4303,41 +4341,29 @@ static void rtmsg_to_fib6_config(struct net *net,
};
}
-int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
+int ipv6_route_ioctl(struct net *net, unsigned int cmd, struct in6_rtmsg *rtmsg)
{
struct fib6_config cfg;
- struct in6_rtmsg rtmsg;
int err;
- switch (cmd) {
- case SIOCADDRT: /* Add a route */
- case SIOCDELRT: /* Delete a route */
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
- return -EPERM;
- err = copy_from_user(&rtmsg, arg,
- sizeof(struct in6_rtmsg));
- if (err)
- return -EFAULT;
-
- rtmsg_to_fib6_config(net, &rtmsg, &cfg);
+ if (cmd != SIOCADDRT && cmd != SIOCDELRT)
+ return -EINVAL;
+ if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
- rtnl_lock();
- switch (cmd) {
- case SIOCADDRT:
- err = ip6_route_add(&cfg, GFP_KERNEL, NULL);
- break;
- case SIOCDELRT:
- err = ip6_route_del(&cfg, NULL);
- break;
- default:
- err = -EINVAL;
- }
- rtnl_unlock();
+ rtmsg_to_fib6_config(net, rtmsg, &cfg);
- return err;
+ rtnl_lock();
+ switch (cmd) {
+ case SIOCADDRT:
+ err = ip6_route_add(&cfg, GFP_KERNEL, NULL);
+ break;
+ case SIOCDELRT:
+ err = ip6_route_del(&cfg, NULL);
+ break;
}
-
- return -EINVAL;
+ rtnl_unlock();
+ return err;
}
/*
@@ -5554,7 +5580,8 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb,
if (nexthop_is_blackhole(rt->nh))
rtm->rtm_type = RTN_BLACKHOLE;
- if (rt6_fill_node_nexthop(skb, rt->nh, &nh_flags) < 0)
+ if (net->ipv4.sysctl_nexthop_compat_mode &&
+ rt6_fill_node_nexthop(skb, rt->nh, &nh_flags) < 0)
goto nla_put_failure;
rtm->rtm_flags |= nh_flags;
@@ -6088,9 +6115,8 @@ static int rt6_stats_seq_show(struct seq_file *seq, void *v)
#ifdef CONFIG_SYSCTL
-static
-int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+static int ipv6_sysctl_rtcache_flush(struct ctl_table *ctl, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net;
int delay;
@@ -6390,6 +6416,35 @@ void __init ip6_route_init_special_entries(void)
#endif
}
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+DEFINE_BPF_ITER_FUNC(ipv6_route, struct bpf_iter_meta *meta, struct fib6_info *rt)
+
+static const struct bpf_iter_reg ipv6_route_reg_info = {
+ .target = "ipv6_route",
+ .seq_ops = &ipv6_route_seq_ops,
+ .init_seq_private = bpf_iter_init_seq_net,
+ .fini_seq_private = bpf_iter_fini_seq_net,
+ .seq_priv_size = sizeof(struct ipv6_route_iter),
+ .ctx_arg_info_size = 1,
+ .ctx_arg_info = {
+ { offsetof(struct bpf_iter__ipv6_route, rt),
+ PTR_TO_BTF_ID_OR_NULL },
+ },
+};
+
+static int __init bpf_iter_register(void)
+{
+ return bpf_iter_reg_target(&ipv6_route_reg_info);
+}
+
+static void bpf_iter_unregister(void)
+{
+ bpf_iter_unreg_target(&ipv6_route_reg_info);
+}
+#endif
+#endif
+
int __init ip6_route_init(void)
{
int ret;
@@ -6452,6 +6507,14 @@ int __init ip6_route_init(void)
if (ret)
goto out_register_late_subsys;
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+ ret = bpf_iter_register();
+ if (ret)
+ goto out_register_late_subsys;
+#endif
+#endif
+
for_each_possible_cpu(cpu) {
struct uncached_list *ul = per_cpu_ptr(&rt6_uncached_list, cpu);
@@ -6484,6 +6547,11 @@ out_kmem_cache:
void ip6_route_cleanup(void)
{
+#if IS_BUILTIN(CONFIG_IPV6)
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+ bpf_iter_unregister();
+#endif
+#endif
unregister_netdevice_notifier(&ip6_route_dev_notifier);
unregister_pernet_subsys(&ip6_route_net_late_ops);
fib6_rules_cleanup();
diff --git a/net/ipv6/rpl.c b/net/ipv6/rpl.c
index d38b476fc7f2..307f336b5353 100644
--- a/net/ipv6/rpl.c
+++ b/net/ipv6/rpl.c
@@ -8,6 +8,7 @@
#include <net/rpl.h>
#define IPV6_PFXTAIL_LEN(x) (sizeof(struct in6_addr) - (x))
+#define IPV6_RPL_BEST_ADDR_COMPRESSION 15
static void ipv6_rpl_addr_decompress(struct in6_addr *dst,
const struct in6_addr *daddr,
@@ -73,7 +74,7 @@ static unsigned char ipv6_rpl_srh_calc_cmpri(const struct ipv6_rpl_sr_hdr *inhdr
}
}
- return plen;
+ return IPV6_RPL_BEST_ADDR_COMPRESSION;
}
static unsigned char ipv6_rpl_srh_calc_cmpre(const struct in6_addr *daddr,
@@ -83,10 +84,10 @@ static unsigned char ipv6_rpl_srh_calc_cmpre(const struct in6_addr *daddr,
for (plen = 0; plen < sizeof(*daddr); plen++) {
if (daddr->s6_addr[plen] != last_segment->s6_addr[plen])
- break;
+ return plen;
}
- return plen;
+ return IPV6_RPL_BEST_ADDR_COMPRESSION;
}
void ipv6_rpl_srh_compress(struct ipv6_rpl_sr_hdr *outhdr,
diff --git a/net/ipv6/seg6.c b/net/ipv6/seg6.c
index 4c7e0a27fa9c..37b434293bda 100644
--- a/net/ipv6/seg6.c
+++ b/net/ipv6/seg6.c
@@ -27,8 +27,9 @@
bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len)
{
- int trailing;
unsigned int tlv_offset;
+ int max_last_entry;
+ int trailing;
if (srh->type != IPV6_SRCRT_TYPE_4)
return false;
@@ -36,7 +37,12 @@ bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len)
if (((srh->hdrlen + 1) << 3) != len)
return false;
- if (srh->segments_left > srh->first_segment)
+ max_last_entry = (srh->hdrlen / 2) - 1;
+
+ if (srh->first_segment > max_last_entry)
+ return false;
+
+ if (srh->segments_left > srh->first_segment + 1)
return false;
tlv_offset = sizeof(*srh) + ((srh->first_segment + 1) << 4);
diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index ffcfcd2b128f..85dddfe3a2c6 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -34,7 +34,6 @@
#include <net/addrconf.h>
#include <net/xfrm.h>
-#include <linux/cryptohash.h>
#include <crypto/hash.h>
#include <crypto/sha.h>
#include <net/seg6.h>
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 98954830c40b..1fbb4dfbb191 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -83,6 +83,13 @@ struct sit_net {
struct net_device *fb_tunnel_dev;
};
+static inline struct sit_net *dev_to_sit_net(struct net_device *dev)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+
+ return net_generic(t->net, sit_net_id);
+}
+
/*
* Must be invoked with rcu_read_lock
*/
@@ -291,14 +298,18 @@ __ipip6_tunnel_locate_prl(struct ip_tunnel *t, __be32 addr)
}
-static int ipip6_tunnel_get_prl(struct ip_tunnel *t,
- struct ip_tunnel_prl __user *a)
+static int ipip6_tunnel_get_prl(struct net_device *dev, struct ifreq *ifr)
{
+ struct ip_tunnel_prl __user *a = ifr->ifr_ifru.ifru_data;
+ struct ip_tunnel *t = netdev_priv(dev);
struct ip_tunnel_prl kprl, *kp;
struct ip_tunnel_prl_entry *prl;
unsigned int cmax, c = 0, ca, len;
int ret = 0;
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev)
+ return -EINVAL;
+
if (copy_from_user(&kprl, a, sizeof(kprl)))
return -EFAULT;
cmax = kprl.datalen / sizeof(kprl);
@@ -441,6 +452,35 @@ out:
return err;
}
+static int ipip6_tunnel_prl_ctl(struct net_device *dev, struct ifreq *ifr,
+ int cmd)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ struct ip_tunnel_prl prl;
+ int err;
+
+ if (!ns_capable(t->net->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev)
+ return -EINVAL;
+
+ if (copy_from_user(&prl, ifr->ifr_ifru.ifru_data, sizeof(prl)))
+ return -EFAULT;
+
+ switch (cmd) {
+ case SIOCDELPRL:
+ err = ipip6_tunnel_del_prl(t, &prl);
+ break;
+ case SIOCADDPRL:
+ case SIOCCHGPRL:
+ err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);
+ break;
+ }
+ dst_cache_reset(&t->dst_cache);
+ netdev_state_change(dev);
+ return err;
+}
+
static int
isatap_chksrc(struct sk_buff *skb, const struct iphdr *iph, struct ip_tunnel *t)
{
@@ -1151,7 +1191,53 @@ static int ipip6_tunnel_update_6rd(struct ip_tunnel *t,
netdev_state_change(t->dev);
return 0;
}
-#endif
+
+static int
+ipip6_tunnel_get6rd(struct net_device *dev, struct ifreq *ifr)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ struct ip_tunnel_6rd ip6rd;
+ struct ip_tunnel_parm p;
+
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev) {
+ if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
+ return -EFAULT;
+ t = ipip6_tunnel_locate(t->net, &p, 0);
+ }
+ if (!t)
+ t = netdev_priv(dev);
+
+ ip6rd.prefix = t->ip6rd.prefix;
+ ip6rd.relay_prefix = t->ip6rd.relay_prefix;
+ ip6rd.prefixlen = t->ip6rd.prefixlen;
+ ip6rd.relay_prefixlen = t->ip6rd.relay_prefixlen;
+ if (copy_to_user(ifr->ifr_ifru.ifru_data, &ip6rd, sizeof(ip6rd)))
+ return -EFAULT;
+ return 0;
+}
+
+static int
+ipip6_tunnel_6rdctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ struct ip_tunnel_6rd ip6rd;
+ int err;
+
+ if (!ns_capable(t->net->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
+ if (copy_from_user(&ip6rd, ifr->ifr_ifru.ifru_data, sizeof(ip6rd)))
+ return -EFAULT;
+
+ if (cmd != SIOCDEL6RD) {
+ err = ipip6_tunnel_update_6rd(t, &ip6rd);
+ if (err < 0)
+ return err;
+ } else
+ ipip6_tunnel_clone_6rd(dev, dev_to_sit_net(dev));
+ return 0;
+}
+
+#endif /* CONFIG_IPV6_SIT_6RD */
static bool ipip6_valid_ip_proto(u8 ipproto)
{
@@ -1164,185 +1250,145 @@ static bool ipip6_valid_ip_proto(u8 ipproto)
}
static int
-ipip6_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+__ipip6_tunnel_ioctl_validate(struct net *net, struct ip_tunnel_parm *p)
+{
+ if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (!ipip6_valid_ip_proto(p->iph.protocol))
+ return -EINVAL;
+ if (p->iph.version != 4 ||
+ p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF)))
+ return -EINVAL;
+
+ if (p->iph.ttl)
+ p->iph.frag_off |= htons(IP_DF);
+ return 0;
+}
+
+static int
+ipip6_tunnel_get(struct net_device *dev, struct ip_tunnel_parm *p)
{
- int err = 0;
- struct ip_tunnel_parm p;
- struct ip_tunnel_prl prl;
struct ip_tunnel *t = netdev_priv(dev);
- struct net *net = t->net;
- struct sit_net *sitn = net_generic(net, sit_net_id);
-#ifdef CONFIG_IPV6_SIT_6RD
- struct ip_tunnel_6rd ip6rd;
-#endif
- switch (cmd) {
- case SIOCGETTUNNEL:
-#ifdef CONFIG_IPV6_SIT_6RD
- case SIOCGET6RD:
-#endif
- if (dev == sitn->fb_tunnel_dev) {
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p))) {
- err = -EFAULT;
- break;
- }
- t = ipip6_tunnel_locate(net, &p, 0);
- if (!t)
- t = netdev_priv(dev);
- }
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev)
+ t = ipip6_tunnel_locate(t->net, p, 0);
+ if (!t)
+ t = netdev_priv(dev);
+ memcpy(p, &t->parms, sizeof(*p));
+ return 0;
+}
- err = -EFAULT;
- if (cmd == SIOCGETTUNNEL) {
- memcpy(&p, &t->parms, sizeof(p));
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &p,
- sizeof(p)))
- goto done;
-#ifdef CONFIG_IPV6_SIT_6RD
+static int
+ipip6_tunnel_add(struct net_device *dev, struct ip_tunnel_parm *p)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ int err;
+
+ err = __ipip6_tunnel_ioctl_validate(t->net, p);
+ if (err)
+ return err;
+
+ t = ipip6_tunnel_locate(t->net, p, 1);
+ if (!t)
+ return -ENOBUFS;
+ return 0;
+}
+
+static int
+ipip6_tunnel_change(struct net_device *dev, struct ip_tunnel_parm *p)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
+ int err;
+
+ err = __ipip6_tunnel_ioctl_validate(t->net, p);
+ if (err)
+ return err;
+
+ t = ipip6_tunnel_locate(t->net, p, 0);
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev) {
+ if (!t)
+ return -ENOENT;
+ } else {
+ if (t) {
+ if (t->dev != dev)
+ return -EEXIST;
} else {
- ip6rd.prefix = t->ip6rd.prefix;
- ip6rd.relay_prefix = t->ip6rd.relay_prefix;
- ip6rd.prefixlen = t->ip6rd.prefixlen;
- ip6rd.relay_prefixlen = t->ip6rd.relay_prefixlen;
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &ip6rd,
- sizeof(ip6rd)))
- goto done;
-#endif
+ if (((dev->flags & IFF_POINTOPOINT) && !p->iph.daddr) ||
+ (!(dev->flags & IFF_POINTOPOINT) && p->iph.daddr))
+ return -EINVAL;
+ t = netdev_priv(dev);
}
- err = 0;
- break;
- case SIOCADDTUNNEL:
- case SIOCCHGTUNNEL:
- err = -EPERM;
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
- goto done;
+ ipip6_tunnel_update(t, p, t->fwmark);
+ }
- err = -EFAULT;
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
- goto done;
-
- err = -EINVAL;
- if (!ipip6_valid_ip_proto(p.iph.protocol))
- goto done;
- if (p.iph.version != 4 ||
- p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))
- goto done;
- if (p.iph.ttl)
- p.iph.frag_off |= htons(IP_DF);
-
- t = ipip6_tunnel_locate(net, &p, cmd == SIOCADDTUNNEL);
-
- if (dev != sitn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {
- if (t) {
- if (t->dev != dev) {
- err = -EEXIST;
- break;
- }
- } else {
- if (((dev->flags&IFF_POINTOPOINT) && !p.iph.daddr) ||
- (!(dev->flags&IFF_POINTOPOINT) && p.iph.daddr)) {
- err = -EINVAL;
- break;
- }
- t = netdev_priv(dev);
- }
+ return 0;
+}
- ipip6_tunnel_update(t, &p, t->fwmark);
- }
+static int
+ipip6_tunnel_del(struct net_device *dev, struct ip_tunnel_parm *p)
+{
+ struct ip_tunnel *t = netdev_priv(dev);
- if (t) {
- err = 0;
- if (copy_to_user(ifr->ifr_ifru.ifru_data, &t->parms, sizeof(p)))
- err = -EFAULT;
- } else
- err = (cmd == SIOCADDTUNNEL ? -ENOBUFS : -ENOENT);
- break;
+ if (!ns_capable(t->net->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (dev == dev_to_sit_net(dev)->fb_tunnel_dev) {
+ t = ipip6_tunnel_locate(t->net, p, 0);
+ if (!t)
+ return -ENOENT;
+ if (t == netdev_priv(dev_to_sit_net(dev)->fb_tunnel_dev))
+ return -EPERM;
+ dev = t->dev;
+ }
+ unregister_netdevice(dev);
+ return 0;
+}
+static int
+ipip6_tunnel_ctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
+{
+ switch (cmd) {
+ case SIOCGETTUNNEL:
+ return ipip6_tunnel_get(dev, p);
+ case SIOCADDTUNNEL:
+ return ipip6_tunnel_add(dev, p);
+ case SIOCCHGTUNNEL:
+ return ipip6_tunnel_change(dev, p);
case SIOCDELTUNNEL:
- err = -EPERM;
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
- goto done;
-
- if (dev == sitn->fb_tunnel_dev) {
- err = -EFAULT;
- if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
- goto done;
- err = -ENOENT;
- t = ipip6_tunnel_locate(net, &p, 0);
- if (!t)
- goto done;
- err = -EPERM;
- if (t == netdev_priv(sitn->fb_tunnel_dev))
- goto done;
- dev = t->dev;
- }
- unregister_netdevice(dev);
- err = 0;
- break;
+ return ipip6_tunnel_del(dev, p);
+ default:
+ return -EINVAL;
+ }
+}
+static int
+ipip6_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ switch (cmd) {
+ case SIOCGETTUNNEL:
+ case SIOCADDTUNNEL:
+ case SIOCCHGTUNNEL:
+ case SIOCDELTUNNEL:
+ return ip_tunnel_ioctl(dev, ifr, cmd);
case SIOCGETPRL:
- err = -EINVAL;
- if (dev == sitn->fb_tunnel_dev)
- goto done;
- err = ipip6_tunnel_get_prl(t, ifr->ifr_ifru.ifru_data);
- break;
-
+ return ipip6_tunnel_get_prl(dev, ifr);
case SIOCADDPRL:
case SIOCDELPRL:
case SIOCCHGPRL:
- err = -EPERM;
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
- goto done;
- err = -EINVAL;
- if (dev == sitn->fb_tunnel_dev)
- goto done;
- err = -EFAULT;
- if (copy_from_user(&prl, ifr->ifr_ifru.ifru_data, sizeof(prl)))
- goto done;
-
- switch (cmd) {
- case SIOCDELPRL:
- err = ipip6_tunnel_del_prl(t, &prl);
- break;
- case SIOCADDPRL:
- case SIOCCHGPRL:
- err = ipip6_tunnel_add_prl(t, &prl, cmd == SIOCCHGPRL);
- break;
- }
- dst_cache_reset(&t->dst_cache);
- netdev_state_change(dev);
- break;
-
+ return ipip6_tunnel_prl_ctl(dev, ifr, cmd);
#ifdef CONFIG_IPV6_SIT_6RD
+ case SIOCGET6RD:
+ return ipip6_tunnel_get6rd(dev, ifr);
case SIOCADD6RD:
case SIOCCHG6RD:
case SIOCDEL6RD:
- err = -EPERM;
- if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
- goto done;
-
- err = -EFAULT;
- if (copy_from_user(&ip6rd, ifr->ifr_ifru.ifru_data,
- sizeof(ip6rd)))
- goto done;
-
- if (cmd != SIOCDEL6RD) {
- err = ipip6_tunnel_update_6rd(t, &ip6rd);
- if (err < 0)
- goto done;
- } else
- ipip6_tunnel_clone_6rd(dev, sitn);
-
- err = 0;
- break;
+ return ipip6_tunnel_6rdctl(dev, ifr, cmd);
#endif
-
default:
- err = -EINVAL;
+ return -EINVAL;
}
-
-done:
- return err;
}
static const struct net_device_ops ipip6_netdev_ops = {
@@ -1352,6 +1398,7 @@ static const struct net_device_ops ipip6_netdev_ops = {
.ndo_do_ioctl = ipip6_tunnel_ioctl,
.ndo_get_stats64 = ip_tunnel_get_stats64,
.ndo_get_iflink = ip_tunnel_get_iflink,
+ .ndo_tunnel_ctl = ipip6_tunnel_ctl,
};
static void ipip6_dev_free(struct net_device *dev)
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 63b657aa8d29..fac2135aa47b 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -26,8 +26,7 @@ static int auto_flowlabels_min;
static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
static int proc_rt6_multipath_hash_policy(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net;
int ret;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 413b3425ac66..f67d45ff00b4 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -463,6 +463,8 @@ static int tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
if (fastopen && !fastopen->sk)
break;
+ ipv6_icmp_error(sk, skb, err, th->dest, ntohl(info), (u8 *)th);
+
if (!sock_owned_by_user(sk)) {
sk->sk_err = err;
sk->sk_error_report(sk); /* Wake people up to see the error (see connect in sock.c) */
@@ -471,6 +473,15 @@ static int tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
} else
sk->sk_err_soft = err;
goto out;
+ case TCP_LISTEN:
+ break;
+ default:
+ /* check if this ICMP message allows revert of backoff.
+ * (see RFC 6069)
+ */
+ if (!fastopen && type == ICMPV6_DEST_UNREACH &&
+ code == ICMPV6_NOROUTE)
+ tcp_ld_RTO_revert(sk, seq);
}
if (!sock_owned_by_user(sk) && np->recverr) {
@@ -2110,6 +2121,7 @@ struct proto tcpv6_prot = {
#endif
.diag_destroy = tcp_abort,
};
+EXPORT_SYMBOL_GPL(tcpv6_prot);
/* thinking of making this const? Don't.
* early_demux can change based on sysctl.
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 21e7b95ddbfa..06c02ebe6b9b 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -21,8 +21,14 @@
static struct xfrm6_tunnel __rcu *tunnel6_handlers __read_mostly;
static struct xfrm6_tunnel __rcu *tunnel46_handlers __read_mostly;
+static struct xfrm6_tunnel __rcu *tunnelmpls6_handlers __read_mostly;
static DEFINE_MUTEX(tunnel6_mutex);
+static inline int xfrm6_tunnel_mpls_supported(void)
+{
+ return IS_ENABLED(CONFIG_MPLS);
+}
+
int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)
{
struct xfrm6_tunnel __rcu **pprev;
@@ -32,8 +38,21 @@ int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)
mutex_lock(&tunnel6_mutex);
- for (pprev = (family == AF_INET6) ? &tunnel6_handlers : &tunnel46_handlers;
- (t = rcu_dereference_protected(*pprev,
+ switch (family) {
+ case AF_INET6:
+ pprev = &tunnel6_handlers;
+ break;
+ case AF_INET:
+ pprev = &tunnel46_handlers;
+ break;
+ case AF_MPLS:
+ pprev = &tunnelmpls6_handlers;
+ break;
+ default:
+ goto err;
+ }
+
+ for (; (t = rcu_dereference_protected(*pprev,
lockdep_is_held(&tunnel6_mutex))) != NULL;
pprev = &t->next) {
if (t->priority > priority)
@@ -62,8 +81,21 @@ int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family)
mutex_lock(&tunnel6_mutex);
- for (pprev = (family == AF_INET6) ? &tunnel6_handlers : &tunnel46_handlers;
- (t = rcu_dereference_protected(*pprev,
+ switch (family) {
+ case AF_INET6:
+ pprev = &tunnel6_handlers;
+ break;
+ case AF_INET:
+ pprev = &tunnel46_handlers;
+ break;
+ case AF_MPLS:
+ pprev = &tunnelmpls6_handlers;
+ break;
+ default:
+ goto err;
+ }
+
+ for (; (t = rcu_dereference_protected(*pprev,
lockdep_is_held(&tunnel6_mutex))) != NULL;
pprev = &t->next) {
if (t == handler) {
@@ -73,6 +105,7 @@ int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family)
}
}
+err:
mutex_unlock(&tunnel6_mutex);
synchronize_net();
@@ -86,6 +119,24 @@ EXPORT_SYMBOL(xfrm6_tunnel_deregister);
handler != NULL; \
handler = rcu_dereference(handler->next)) \
+static int tunnelmpls6_rcv(struct sk_buff *skb)
+{
+ struct xfrm6_tunnel *handler;
+
+ if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+ goto drop;
+
+ for_each_tunnel_rcu(tunnelmpls6_handlers, handler)
+ if (!handler->handler(skb))
+ return 0;
+
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
+
+drop:
+ kfree_skb(skb);
+ return 0;
+}
+
static int tunnel6_rcv(struct sk_buff *skb)
{
struct xfrm6_tunnel *handler;
@@ -146,6 +197,18 @@ static int tunnel46_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
return -ENOENT;
}
+static int tunnelmpls6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
+ u8 type, u8 code, int offset, __be32 info)
+{
+ struct xfrm6_tunnel *handler;
+
+ for_each_tunnel_rcu(tunnelmpls6_handlers, handler)
+ if (!handler->err_handler(skb, opt, type, code, offset, info))
+ return 0;
+
+ return -ENOENT;
+}
+
static const struct inet6_protocol tunnel6_protocol = {
.handler = tunnel6_rcv,
.err_handler = tunnel6_err,
@@ -158,6 +221,12 @@ static const struct inet6_protocol tunnel46_protocol = {
.flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
};
+static const struct inet6_protocol tunnelmpls6_protocol = {
+ .handler = tunnelmpls6_rcv,
+ .err_handler = tunnelmpls6_err,
+ .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL,
+};
+
static int __init tunnel6_init(void)
{
if (inet6_add_protocol(&tunnel6_protocol, IPPROTO_IPV6)) {
@@ -169,6 +238,13 @@ static int __init tunnel6_init(void)
inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
return -EAGAIN;
}
+ if (xfrm6_tunnel_mpls_supported() &&
+ inet6_add_protocol(&tunnelmpls6_protocol, IPPROTO_MPLS)) {
+ pr_err("%s: can't add protocol\n", __func__);
+ inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6);
+ inet6_del_protocol(&tunnel46_protocol, IPPROTO_IPIP);
+ return -EAGAIN;
+ }
return 0;
}
@@ -178,6 +254,9 @@ static void __exit tunnel6_fini(void)
pr_err("%s: can't remove protocol\n", __func__);
if (inet6_del_protocol(&tunnel6_protocol, IPPROTO_IPV6))
pr_err("%s: can't remove protocol\n", __func__);
+ if (xfrm6_tunnel_mpls_supported() &&
+ inet6_del_protocol(&tunnelmpls6_protocol, IPPROTO_MPLS))
+ pr_err("%s: can't remove protocol\n", __func__);
}
module_init(tunnel6_init);
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index a52cb3fc6df5..04cbeefd8982 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -17,11 +17,6 @@
#include <net/ipv6.h>
#include <net/xfrm.h>
-int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb)
-{
- return xfrm6_extract_header(skb);
-}
-
int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi,
struct ip6_tnl *t)
{
@@ -35,9 +30,12 @@ EXPORT_SYMBOL(xfrm6_rcv_spi);
static int xfrm6_transport_finish2(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
- if (xfrm_trans_queue(skb, ip6_rcv_finish))
- __kfree_skb(skb);
- return -1;
+ if (xfrm_trans_queue(skb, ip6_rcv_finish)) {
+ kfree_skb(skb);
+ return NET_RX_DROP;
+ }
+
+ return 0;
}
int xfrm6_transport_finish(struct sk_buff *skb, int async)
@@ -60,13 +58,106 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async)
if (xo && (xo->flags & XFRM_GRO)) {
skb_mac_header_rebuild(skb);
skb_reset_transport_header(skb);
- return -1;
+ return 0;
}
NF_HOOK(NFPROTO_IPV6, NF_INET_PRE_ROUTING,
dev_net(skb->dev), NULL, skb, skb->dev, NULL,
xfrm6_transport_finish2);
- return -1;
+ return 0;
+}
+
+/* If it's a keepalive packet, then just eat it.
+ * If it's an encapsulated packet, then pass it to the
+ * IPsec xfrm input.
+ * Returns 0 if skb passed to xfrm or was dropped.
+ * Returns >0 if skb should be passed to UDP.
+ * Returns <0 if skb should be resubmitted (-ret is protocol)
+ */
+int xfrm6_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
+{
+ struct udp_sock *up = udp_sk(sk);
+ struct udphdr *uh;
+ struct ipv6hdr *ip6h;
+ int len;
+ int ip6hlen = sizeof(struct ipv6hdr);
+
+ __u8 *udpdata;
+ __be32 *udpdata32;
+ __u16 encap_type = up->encap_type;
+
+ /* if this is not encapsulated socket, then just return now */
+ if (!encap_type)
+ return 1;
+
+ /* If this is a paged skb, make sure we pull up
+ * whatever data we need to look at. */
+ len = skb->len - sizeof(struct udphdr);
+ if (!pskb_may_pull(skb, sizeof(struct udphdr) + min(len, 8)))
+ return 1;
+
+ /* Now we can get the pointers */
+ uh = udp_hdr(skb);
+ udpdata = (__u8 *)uh + sizeof(struct udphdr);
+ udpdata32 = (__be32 *)udpdata;
+
+ switch (encap_type) {
+ default:
+ case UDP_ENCAP_ESPINUDP:
+ /* Check if this is a keepalive packet. If so, eat it. */
+ if (len == 1 && udpdata[0] == 0xff) {
+ goto drop;
+ } else if (len > sizeof(struct ip_esp_hdr) && udpdata32[0] != 0) {
+ /* ESP Packet without Non-ESP header */
+ len = sizeof(struct udphdr);
+ } else
+ /* Must be an IKE packet.. pass it through */
+ return 1;
+ break;
+ case UDP_ENCAP_ESPINUDP_NON_IKE:
+ /* Check if this is a keepalive packet. If so, eat it. */
+ if (len == 1 && udpdata[0] == 0xff) {
+ goto drop;
+ } else if (len > 2 * sizeof(u32) + sizeof(struct ip_esp_hdr) &&
+ udpdata32[0] == 0 && udpdata32[1] == 0) {
+
+ /* ESP Packet with Non-IKE marker */
+ len = sizeof(struct udphdr) + 2 * sizeof(u32);
+ } else
+ /* Must be an IKE packet.. pass it through */
+ return 1;
+ break;
+ }
+
+ /* At this point we are sure that this is an ESPinUDP packet,
+ * so we need to remove 'len' bytes from the packet (the UDP
+ * header and optional ESP marker bytes) and then modify the
+ * protocol to ESP, and then call into the transform receiver.
+ */
+ if (skb_unclone(skb, GFP_ATOMIC))
+ goto drop;
+
+ /* Now we can update and verify the packet length... */
+ ip6h = ipv6_hdr(skb);
+ ip6h->payload_len = htons(ntohs(ip6h->payload_len) - len);
+ if (skb->len < ip6hlen + len) {
+ /* packet is too small!?! */
+ goto drop;
+ }
+
+ /* pull the data buffer up to the ESP header and set the
+ * transport header to point to ESP. Keep UDP on the stack
+ * for later.
+ */
+ __skb_pull(skb, len);
+ skb_reset_transport_header(skb);
+
+ /* process ESP */
+ return xfrm6_rcv_encap(skb, IPPROTO_ESP, 0, encap_type);
+
+drop:
+ kfree_skb(skb);
+ return 0;
}
int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t)
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index fbe51d40bd7e..8b84d534b19d 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -23,24 +23,7 @@ int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
}
EXPORT_SYMBOL(xfrm6_find_1stfragopt);
-static int xfrm6_local_dontfrag(struct sk_buff *skb)
-{
- int proto;
- struct sock *sk = skb->sk;
-
- if (sk) {
- if (sk->sk_family != AF_INET6)
- return 0;
-
- proto = sk->sk_protocol;
- if (proto == IPPROTO_UDP || proto == IPPROTO_RAW)
- return inet6_sk(sk)->dontfrag;
- }
-
- return 0;
-}
-
-static void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu)
+void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu)
{
struct flowi6 fl6;
struct sock *sk = skb->sk;
@@ -64,82 +47,9 @@ void xfrm6_local_error(struct sk_buff *skb, u32 mtu)
ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);
}
-static int xfrm6_tunnel_check_size(struct sk_buff *skb)
-{
- int mtu, ret = 0;
- struct dst_entry *dst = skb_dst(skb);
-
- if (skb->ignore_df)
- goto out;
-
- mtu = dst_mtu(dst);
- if (mtu < IPV6_MIN_MTU)
- mtu = IPV6_MIN_MTU;
-
- if ((!skb_is_gso(skb) && skb->len > mtu) ||
- (skb_is_gso(skb) &&
- !skb_gso_validate_network_len(skb, ip6_skb_dst_mtu(skb)))) {
- skb->dev = dst->dev;
- skb->protocol = htons(ETH_P_IPV6);
-
- if (xfrm6_local_dontfrag(skb))
- xfrm6_local_rxpmtu(skb, mtu);
- else if (skb->sk)
- xfrm_local_error(skb, mtu);
- else
- icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
- ret = -EMSGSIZE;
- }
-out:
- return ret;
-}
-
-int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb)
-{
- int err;
-
- err = xfrm6_tunnel_check_size(skb);
- if (err)
- return err;
-
- XFRM_MODE_SKB_CB(skb)->protocol = ipv6_hdr(skb)->nexthdr;
-
- return xfrm6_extract_header(skb);
-}
-
-int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb)
-{
- memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
-
-#ifdef CONFIG_NETFILTER
- IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
-#endif
-
- return xfrm_output(sk, skb);
-}
-
-static int __xfrm6_output_state_finish(struct xfrm_state *x, struct sock *sk,
- struct sk_buff *skb)
-{
- const struct xfrm_state_afinfo *afinfo;
- int ret = -EAFNOSUPPORT;
-
- rcu_read_lock();
- afinfo = xfrm_state_afinfo_get_rcu(x->outer_mode.family);
- if (likely(afinfo))
- ret = afinfo->output_finish(sk, skb);
- else
- kfree_skb(skb);
- rcu_read_unlock();
-
- return ret;
-}
-
static int __xfrm6_output_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
- struct xfrm_state *x = skb_dst(skb)->xfrm;
-
- return __xfrm6_output_state_finish(x, sk, skb);
+ return xfrm_output(sk, skb);
}
static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
@@ -166,7 +76,7 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
toobig = skb->len > mtu && !skb_is_gso(skb);
- if (toobig && xfrm6_local_dontfrag(skb)) {
+ if (toobig && xfrm6_local_dontfrag(skb->sk)) {
xfrm6_local_rxpmtu(skb, mtu);
kfree_skb(skb);
return -EMSGSIZE;
@@ -181,7 +91,7 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
__xfrm6_output_finish);
skip_frag:
- return __xfrm6_output_state_finish(x, sk, skb);
+ return xfrm_output(sk, skb);
}
int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
diff --git a/net/ipv6/xfrm6_protocol.c b/net/ipv6/xfrm6_protocol.c
index 34cb65c7d5a7..ea2f805d3b01 100644
--- a/net/ipv6/xfrm6_protocol.c
+++ b/net/ipv6/xfrm6_protocol.c
@@ -14,6 +14,7 @@
#include <linux/mutex.h>
#include <linux/skbuff.h>
#include <linux/icmpv6.h>
+#include <net/ip6_route.h>
#include <net/ipv6.h>
#include <net/protocol.h>
#include <net/xfrm.h>
@@ -58,6 +59,53 @@ static int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
return 0;
}
+int xfrm6_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
+ int encap_type)
+{
+ int ret;
+ struct xfrm6_protocol *handler;
+ struct xfrm6_protocol __rcu **head = proto_handlers(nexthdr);
+
+ XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL;
+ XFRM_SPI_SKB_CB(skb)->family = AF_INET6;
+ XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr);
+
+ if (!head)
+ goto out;
+
+ if (!skb_dst(skb)) {
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ int flags = RT6_LOOKUP_F_HAS_SADDR;
+ struct dst_entry *dst;
+ struct flowi6 fl6 = {
+ .flowi6_iif = skb->dev->ifindex,
+ .daddr = ip6h->daddr,
+ .saddr = ip6h->saddr,
+ .flowlabel = ip6_flowinfo(ip6h),
+ .flowi6_mark = skb->mark,
+ .flowi6_proto = ip6h->nexthdr,
+ };
+
+ dst = ip6_route_input_lookup(dev_net(skb->dev), skb->dev, &fl6,
+ skb, flags);
+ if (dst->error)
+ goto drop;
+ skb_dst_set(skb, dst);
+ }
+
+ for_each_protocol_rcu(*head, handler)
+ if ((ret = handler->input_handler(skb, nexthdr, spi, encap_type)) != -EINVAL)
+ return ret;
+
+out:
+ icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
+
+drop:
+ kfree_skb(skb);
+ return 0;
+}
+EXPORT_SYMBOL(xfrm6_rcv_encap);
+
static int xfrm6_esp_rcv(struct sk_buff *skb)
{
int ret;
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index 78daadecbdef..6610b2198fa9 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -13,37 +13,11 @@
*/
#include <net/xfrm.h>
-#include <linux/pfkeyv2.h>
-#include <linux/ipsec.h>
-#include <linux/netfilter_ipv6.h>
-#include <linux/export.h>
-#include <net/dsfield.h>
-#include <net/ipv6.h>
-#include <net/addrconf.h>
-
-int xfrm6_extract_header(struct sk_buff *skb)
-{
- struct ipv6hdr *iph = ipv6_hdr(skb);
-
- XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
- XFRM_MODE_SKB_CB(skb)->id = 0;
- XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF);
- XFRM_MODE_SKB_CB(skb)->tos = ipv6_get_dsfield(iph);
- XFRM_MODE_SKB_CB(skb)->ttl = iph->hop_limit;
- XFRM_MODE_SKB_CB(skb)->optlen = 0;
- memcpy(XFRM_MODE_SKB_CB(skb)->flow_lbl, iph->flow_lbl,
- sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
-
- return 0;
-}
static struct xfrm_state_afinfo xfrm6_state_afinfo = {
.family = AF_INET6,
.proto = IPPROTO_IPV6,
.output = xfrm6_output,
- .output_finish = xfrm6_output_finish,
- .extract_input = xfrm6_extract_input,
- .extract_output = xfrm6_extract_output,
.transport_finish = xfrm6_transport_finish,
.local_error = xfrm6_local_error,
};
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index c4bdcbc84b07..ee0add15497d 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/types.h>
+#include <linux/limits.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -36,8 +37,6 @@
static char iucv_userid[80];
-static const struct proto_ops iucv_sock_ops;
-
static struct proto iucv_proto = {
.name = "AF_IUCV",
.owner = THIS_MODULE,
@@ -85,14 +84,11 @@ do { \
__ret; \
})
+static struct sock *iucv_accept_dequeue(struct sock *parent,
+ struct socket *newsock);
static void iucv_sock_kill(struct sock *sk);
static void iucv_sock_close(struct sock *sk);
-static void iucv_sever_path(struct sock *, int);
-static int afiucv_hs_rcv(struct sk_buff *skb, struct net_device *dev,
- struct packet_type *pt, struct net_device *orig_dev);
-static int afiucv_hs_send(struct iucv_message *imsg, struct sock *sock,
- struct sk_buff *skb, u8 flags);
static void afiucv_hs_callback_txnotify(struct sk_buff *, enum iucv_tx_notify);
/* Call Back functions */
@@ -127,110 +123,6 @@ static inline void low_nmcpy(unsigned char *dst, char *src)
memcpy(&dst[8], src, 8);
}
-static int afiucv_pm_prepare(struct device *dev)
-{
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "afiucv_pm_prepare\n");
-#endif
- return 0;
-}
-
-static void afiucv_pm_complete(struct device *dev)
-{
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "afiucv_pm_complete\n");
-#endif
-}
-
-/**
- * afiucv_pm_freeze() - Freeze PM callback
- * @dev: AFIUCV dummy device
- *
- * Sever all established IUCV communication pathes
- */
-static int afiucv_pm_freeze(struct device *dev)
-{
- struct iucv_sock *iucv;
- struct sock *sk;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "afiucv_pm_freeze\n");
-#endif
- read_lock(&iucv_sk_list.lock);
- sk_for_each(sk, &iucv_sk_list.head) {
- iucv = iucv_sk(sk);
- switch (sk->sk_state) {
- case IUCV_DISCONN:
- case IUCV_CLOSING:
- case IUCV_CONNECTED:
- iucv_sever_path(sk, 0);
- break;
- case IUCV_OPEN:
- case IUCV_BOUND:
- case IUCV_LISTEN:
- case IUCV_CLOSED:
- default:
- break;
- }
- skb_queue_purge(&iucv->send_skb_q);
- skb_queue_purge(&iucv->backlog_skb_q);
- }
- read_unlock(&iucv_sk_list.lock);
- return 0;
-}
-
-/**
- * afiucv_pm_restore_thaw() - Thaw and restore PM callback
- * @dev: AFIUCV dummy device
- *
- * socket clean up after freeze
- */
-static int afiucv_pm_restore_thaw(struct device *dev)
-{
- struct sock *sk;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "afiucv_pm_restore_thaw\n");
-#endif
- read_lock(&iucv_sk_list.lock);
- sk_for_each(sk, &iucv_sk_list.head) {
- switch (sk->sk_state) {
- case IUCV_CONNECTED:
- sk->sk_err = EPIPE;
- sk->sk_state = IUCV_DISCONN;
- sk->sk_state_change(sk);
- break;
- case IUCV_DISCONN:
- case IUCV_CLOSING:
- case IUCV_LISTEN:
- case IUCV_BOUND:
- case IUCV_OPEN:
- default:
- break;
- }
- }
- read_unlock(&iucv_sk_list.lock);
- return 0;
-}
-
-static const struct dev_pm_ops afiucv_pm_ops = {
- .prepare = afiucv_pm_prepare,
- .complete = afiucv_pm_complete,
- .freeze = afiucv_pm_freeze,
- .thaw = afiucv_pm_restore_thaw,
- .restore = afiucv_pm_restore_thaw,
-};
-
-static struct device_driver af_iucv_driver = {
- .owner = THIS_MODULE,
- .name = "afiucv",
- .bus = NULL,
- .pm = &afiucv_pm_ops,
-};
-
-/* dummy device used as trigger for PM functions */
-static struct device *af_iucv_dev;
-
/**
* iucv_msg_length() - Returns the length of an iucv message.
* @msg: Pointer to struct iucv_message, MUST NOT be NULL
@@ -435,6 +327,20 @@ static void iucv_sock_cleanup_listen(struct sock *parent)
parent->sk_state = IUCV_CLOSED;
}
+static void iucv_sock_link(struct iucv_sock_list *l, struct sock *sk)
+{
+ write_lock_bh(&l->lock);
+ sk_add_node(sk, &l->head);
+ write_unlock_bh(&l->lock);
+}
+
+static void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *sk)
+{
+ write_lock_bh(&l->lock);
+ sk_del_node_init(sk);
+ write_unlock_bh(&l->lock);
+}
+
/* Kill socket (only if zapped and orphaned) */
static void iucv_sock_kill(struct sock *sk)
{
@@ -607,53 +513,7 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio,
return sk;
}
-/* Create an IUCV socket */
-static int iucv_sock_create(struct net *net, struct socket *sock, int protocol,
- int kern)
-{
- struct sock *sk;
-
- if (protocol && protocol != PF_IUCV)
- return -EPROTONOSUPPORT;
-
- sock->state = SS_UNCONNECTED;
-
- switch (sock->type) {
- case SOCK_STREAM:
- sock->ops = &iucv_sock_ops;
- break;
- case SOCK_SEQPACKET:
- /* currently, proto ops can handle both sk types */
- sock->ops = &iucv_sock_ops;
- break;
- default:
- return -ESOCKTNOSUPPORT;
- }
-
- sk = iucv_sock_alloc(sock, protocol, GFP_KERNEL, kern);
- if (!sk)
- return -ENOMEM;
-
- iucv_sock_init(sk, NULL);
-
- return 0;
-}
-
-void iucv_sock_link(struct iucv_sock_list *l, struct sock *sk)
-{
- write_lock_bh(&l->lock);
- sk_add_node(sk, &l->head);
- write_unlock_bh(&l->lock);
-}
-
-void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *sk)
-{
- write_lock_bh(&l->lock);
- sk_del_node_init(sk);
- write_unlock_bh(&l->lock);
-}
-
-void iucv_accept_enqueue(struct sock *parent, struct sock *sk)
+static void iucv_accept_enqueue(struct sock *parent, struct sock *sk)
{
unsigned long flags;
struct iucv_sock *par = iucv_sk(parent);
@@ -666,7 +526,7 @@ void iucv_accept_enqueue(struct sock *parent, struct sock *sk)
sk_acceptq_added(parent);
}
-void iucv_accept_unlink(struct sock *sk)
+static void iucv_accept_unlink(struct sock *sk)
{
unsigned long flags;
struct iucv_sock *par = iucv_sk(iucv_sk(sk)->parent);
@@ -679,7 +539,8 @@ void iucv_accept_unlink(struct sock *sk)
sock_put(sk);
}
-struct sock *iucv_accept_dequeue(struct sock *parent, struct socket *newsock)
+static struct sock *iucv_accept_dequeue(struct sock *parent,
+ struct socket *newsock)
{
struct iucv_sock *isk, *n;
struct sock *sk;
@@ -1100,7 +961,6 @@ static int iucv_sock_sendmsg(struct socket *sock, struct msghdr *msg,
/* initialize defaults */
cmsg_done = 0; /* check for duplicate headers */
- txmsg.class = 0;
/* iterate over control messages */
for_each_cmsghdr(cmsg, msg) {
@@ -1511,8 +1371,8 @@ static inline __poll_t iucv_accept_poll(struct sock *parent)
return 0;
}
-__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
- poll_table *wait)
+static __poll_t iucv_sock_poll(struct file *file, struct socket *sock,
+ poll_table *wait)
{
struct sock *sk = sock->sk;
__poll_t mask = 0;
@@ -1664,7 +1524,7 @@ static int iucv_sock_setsockopt(struct socket *sock, int level, int optname,
switch (sk->sk_state) {
case IUCV_OPEN:
case IUCV_BOUND:
- if (val < 1 || val > (u16)(~0))
+ if (val < 1 || val > U16_MAX)
rc = -EINVAL;
else
iucv->msglimit = val;
@@ -2396,6 +2256,35 @@ static const struct proto_ops iucv_sock_ops = {
.getsockopt = iucv_sock_getsockopt,
};
+static int iucv_sock_create(struct net *net, struct socket *sock, int protocol,
+ int kern)
+{
+ struct sock *sk;
+
+ if (protocol && protocol != PF_IUCV)
+ return -EPROTONOSUPPORT;
+
+ sock->state = SS_UNCONNECTED;
+
+ switch (sock->type) {
+ case SOCK_STREAM:
+ case SOCK_SEQPACKET:
+ /* currently, proto ops can handle both sk types */
+ sock->ops = &iucv_sock_ops;
+ break;
+ default:
+ return -ESOCKTNOSUPPORT;
+ }
+
+ sk = iucv_sock_alloc(sock, protocol, GFP_KERNEL, kern);
+ if (!sk)
+ return -ENOMEM;
+
+ iucv_sock_init(sk, NULL);
+
+ return 0;
+}
+
static const struct net_proto_family iucv_sock_family_ops = {
.family = AF_IUCV,
.owner = THIS_MODULE,
@@ -2409,45 +2298,11 @@ static struct packet_type iucv_packet_type = {
static int afiucv_iucv_init(void)
{
- int err;
-
- err = pr_iucv->iucv_register(&af_iucv_handler, 0);
- if (err)
- goto out;
- /* establish dummy device */
- af_iucv_driver.bus = pr_iucv->bus;
- err = driver_register(&af_iucv_driver);
- if (err)
- goto out_iucv;
- af_iucv_dev = kzalloc(sizeof(struct device), GFP_KERNEL);
- if (!af_iucv_dev) {
- err = -ENOMEM;
- goto out_driver;
- }
- dev_set_name(af_iucv_dev, "af_iucv");
- af_iucv_dev->bus = pr_iucv->bus;
- af_iucv_dev->parent = pr_iucv->root;
- af_iucv_dev->release = (void (*)(struct device *))kfree;
- af_iucv_dev->driver = &af_iucv_driver;
- err = device_register(af_iucv_dev);
- if (err)
- goto out_iucv_dev;
- return 0;
-
-out_iucv_dev:
- put_device(af_iucv_dev);
-out_driver:
- driver_unregister(&af_iucv_driver);
-out_iucv:
- pr_iucv->iucv_unregister(&af_iucv_handler, 0);
-out:
- return err;
+ return pr_iucv->iucv_register(&af_iucv_handler, 0);
}
static void afiucv_iucv_exit(void)
{
- device_unregister(af_iucv_dev);
- driver_unregister(&af_iucv_driver);
pr_iucv->iucv_unregister(&af_iucv_handler, 0);
}
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index 9a2d023842fe..19250a0c85d3 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -67,32 +67,9 @@ static int iucv_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
-enum iucv_pm_states {
- IUCV_PM_INITIAL = 0,
- IUCV_PM_FREEZING = 1,
- IUCV_PM_THAWING = 2,
- IUCV_PM_RESTORING = 3,
-};
-static enum iucv_pm_states iucv_pm_state;
-
-static int iucv_pm_prepare(struct device *);
-static void iucv_pm_complete(struct device *);
-static int iucv_pm_freeze(struct device *);
-static int iucv_pm_thaw(struct device *);
-static int iucv_pm_restore(struct device *);
-
-static const struct dev_pm_ops iucv_pm_ops = {
- .prepare = iucv_pm_prepare,
- .complete = iucv_pm_complete,
- .freeze = iucv_pm_freeze,
- .thaw = iucv_pm_thaw,
- .restore = iucv_pm_restore,
-};
-
struct bus_type iucv_bus = {
.name = "iucv",
.match = iucv_bus_match,
- .pm = &iucv_pm_ops,
};
EXPORT_SYMBOL(iucv_bus);
@@ -435,31 +412,6 @@ static void iucv_block_cpu(void *data)
}
/**
- * iucv_block_cpu_almost
- * @data: unused
- *
- * Allow connection-severed interrupts only on this cpu.
- */
-static void iucv_block_cpu_almost(void *data)
-{
- int cpu = smp_processor_id();
- union iucv_param *parm;
-
- /* Allow iucv control interrupts only */
- parm = iucv_param_irq[cpu];
- memset(parm, 0, sizeof(union iucv_param));
- parm->set_mask.ipmask = 0x08;
- iucv_call_b2f0(IUCV_SETMASK, parm);
- /* Allow iucv-severed interrupt only */
- memset(parm, 0, sizeof(union iucv_param));
- parm->set_mask.ipmask = 0x20;
- iucv_call_b2f0(IUCV_SETCONTROLMASK, parm);
-
- /* Clear indication that iucv interrupts are allowed for this cpu. */
- cpumask_clear_cpu(cpu, &iucv_irq_cpumask);
-}
-
-/**
* iucv_declare_cpu
* @data: unused
*
@@ -1834,146 +1786,6 @@ static void iucv_external_interrupt(struct ext_code ext_code,
spin_unlock(&iucv_queue_lock);
}
-static int iucv_pm_prepare(struct device *dev)
-{
- int rc = 0;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_INFO "iucv_pm_prepare\n");
-#endif
- if (dev->driver && dev->driver->pm && dev->driver->pm->prepare)
- rc = dev->driver->pm->prepare(dev);
- return rc;
-}
-
-static void iucv_pm_complete(struct device *dev)
-{
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_INFO "iucv_pm_complete\n");
-#endif
- if (dev->driver && dev->driver->pm && dev->driver->pm->complete)
- dev->driver->pm->complete(dev);
-}
-
-/**
- * iucv_path_table_empty() - determine if iucv path table is empty
- *
- * Returns 0 if there are still iucv pathes defined
- * 1 if there are no iucv pathes defined
- */
-static int iucv_path_table_empty(void)
-{
- int i;
-
- for (i = 0; i < iucv_max_pathid; i++) {
- if (iucv_path_table[i])
- return 0;
- }
- return 1;
-}
-
-/**
- * iucv_pm_freeze() - Freeze PM callback
- * @dev: iucv-based device
- *
- * disable iucv interrupts
- * invoke callback function of the iucv-based driver
- * shut down iucv, if no iucv-pathes are established anymore
- */
-static int iucv_pm_freeze(struct device *dev)
-{
- int cpu;
- struct iucv_irq_list *p, *n;
- int rc = 0;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "iucv_pm_freeze\n");
-#endif
- if (iucv_pm_state != IUCV_PM_FREEZING) {
- for_each_cpu(cpu, &iucv_irq_cpumask)
- smp_call_function_single(cpu, iucv_block_cpu_almost,
- NULL, 1);
- cancel_work_sync(&iucv_work);
- list_for_each_entry_safe(p, n, &iucv_work_queue, list) {
- list_del_init(&p->list);
- iucv_sever_pathid(p->data.ippathid,
- iucv_error_no_listener);
- kfree(p);
- }
- }
- iucv_pm_state = IUCV_PM_FREEZING;
- if (dev->driver && dev->driver->pm && dev->driver->pm->freeze)
- rc = dev->driver->pm->freeze(dev);
- if (iucv_path_table_empty())
- iucv_disable();
- return rc;
-}
-
-/**
- * iucv_pm_thaw() - Thaw PM callback
- * @dev: iucv-based device
- *
- * make iucv ready for use again: allocate path table, declare interrupt buffers
- * and enable iucv interrupts
- * invoke callback function of the iucv-based driver
- */
-static int iucv_pm_thaw(struct device *dev)
-{
- int rc = 0;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "iucv_pm_thaw\n");
-#endif
- iucv_pm_state = IUCV_PM_THAWING;
- if (!iucv_path_table) {
- rc = iucv_enable();
- if (rc)
- goto out;
- }
- if (cpumask_empty(&iucv_irq_cpumask)) {
- if (iucv_nonsmp_handler)
- /* enable interrupts on one cpu */
- iucv_allow_cpu(NULL);
- else
- /* enable interrupts on all cpus */
- iucv_setmask_mp();
- }
- if (dev->driver && dev->driver->pm && dev->driver->pm->thaw)
- rc = dev->driver->pm->thaw(dev);
-out:
- return rc;
-}
-
-/**
- * iucv_pm_restore() - Restore PM callback
- * @dev: iucv-based device
- *
- * make iucv ready for use again: allocate path table, declare interrupt buffers
- * and enable iucv interrupts
- * invoke callback function of the iucv-based driver
- */
-static int iucv_pm_restore(struct device *dev)
-{
- int rc = 0;
-
-#ifdef CONFIG_PM_DEBUG
- printk(KERN_WARNING "iucv_pm_restore %p\n", iucv_path_table);
-#endif
- if ((iucv_pm_state != IUCV_PM_RESTORING) && iucv_path_table)
- pr_warn("Suspending Linux did not completely close all IUCV connections\n");
- iucv_pm_state = IUCV_PM_RESTORING;
- if (cpumask_empty(&iucv_irq_cpumask)) {
- rc = iucv_query_maxconn();
- rc = iucv_enable();
- if (rc)
- goto out;
- }
- if (dev->driver && dev->driver->pm && dev->driver->pm->restore)
- rc = dev->driver->pm->restore(dev);
-out:
- return rc;
-}
-
struct iucv_interface iucv_if = {
.message_receive = iucv_message_receive,
.__message_receive = __iucv_message_receive,
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index fcb53ed1c4fb..6d7ef78c88af 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1458,6 +1458,9 @@ static int l2tp_validate_socket(const struct sock *sk, const struct net *net,
if (sk->sk_type != SOCK_DGRAM)
return -EPROTONOSUPPORT;
+ if (sk->sk_family != PF_INET && sk->sk_family != PF_INET6)
+ return -EPROTONOSUPPORT;
+
if ((encap == L2TP_ENCAPTYPE_UDP && sk->sk_protocol != IPPROTO_UDP) ||
(encap == L2TP_ENCAPTYPE_IP && sk->sk_protocol != IPPROTO_L2TP))
return -EPROTONOSUPPORT;
diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c
index d3b520b9b2c9..fd5ac2788e45 100644
--- a/net/l2tp/l2tp_eth.c
+++ b/net/l2tp/l2tp_eth.c
@@ -56,6 +56,7 @@ static int l2tp_eth_dev_init(struct net_device *dev)
{
eth_hw_addr_random(dev);
eth_broadcast_addr(dev->broadcast);
+ netdev_lockdep_set_classes(dev);
return 0;
}
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 0d7c887a2b75..955662a6dee7 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -20,7 +20,6 @@
#include <net/icmp.h>
#include <net/udp.h>
#include <net/inet_common.h>
-#include <net/inet_hashtables.h>
#include <net/tcp_states.h>
#include <net/protocol.h>
#include <net/xfrm.h>
@@ -209,15 +208,31 @@ discard:
return 0;
}
-static int l2tp_ip_open(struct sock *sk)
+static int l2tp_ip_hash(struct sock *sk)
{
- /* Prevent autobind. We don't have ports. */
- inet_sk(sk)->inet_num = IPPROTO_L2TP;
+ if (sk_unhashed(sk)) {
+ write_lock_bh(&l2tp_ip_lock);
+ sk_add_node(sk, &l2tp_ip_table);
+ write_unlock_bh(&l2tp_ip_lock);
+ }
+ return 0;
+}
+static void l2tp_ip_unhash(struct sock *sk)
+{
+ if (sk_unhashed(sk))
+ return;
write_lock_bh(&l2tp_ip_lock);
- sk_add_node(sk, &l2tp_ip_table);
+ sk_del_node_init(sk);
write_unlock_bh(&l2tp_ip_lock);
+}
+
+static int l2tp_ip_open(struct sock *sk)
+{
+ /* Prevent autobind. We don't have ports. */
+ inet_sk(sk)->inet_num = IPPROTO_L2TP;
+ l2tp_ip_hash(sk);
return 0;
}
@@ -594,8 +609,8 @@ static struct proto l2tp_ip_prot = {
.sendmsg = l2tp_ip_sendmsg,
.recvmsg = l2tp_ip_recvmsg,
.backlog_rcv = l2tp_ip_backlog_recv,
- .hash = inet_hash,
- .unhash = inet_unhash,
+ .hash = l2tp_ip_hash,
+ .unhash = l2tp_ip_unhash,
.obj_size = sizeof(struct l2tp_ip_sock),
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ip_setsockopt,
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index d148766f40d1..526ed2c24dd5 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -20,8 +20,6 @@
#include <net/icmp.h>
#include <net/udp.h>
#include <net/inet_common.h>
-#include <net/inet_hashtables.h>
-#include <net/inet6_hashtables.h>
#include <net/tcp_states.h>
#include <net/protocol.h>
#include <net/xfrm.h>
@@ -222,15 +220,31 @@ discard:
return 0;
}
-static int l2tp_ip6_open(struct sock *sk)
+static int l2tp_ip6_hash(struct sock *sk)
{
- /* Prevent autobind. We don't have ports. */
- inet_sk(sk)->inet_num = IPPROTO_L2TP;
+ if (sk_unhashed(sk)) {
+ write_lock_bh(&l2tp_ip6_lock);
+ sk_add_node(sk, &l2tp_ip6_table);
+ write_unlock_bh(&l2tp_ip6_lock);
+ }
+ return 0;
+}
+static void l2tp_ip6_unhash(struct sock *sk)
+{
+ if (sk_unhashed(sk))
+ return;
write_lock_bh(&l2tp_ip6_lock);
- sk_add_node(sk, &l2tp_ip6_table);
+ sk_del_node_init(sk);
write_unlock_bh(&l2tp_ip6_lock);
+}
+
+static int l2tp_ip6_open(struct sock *sk)
+{
+ /* Prevent autobind. We don't have ports. */
+ inet_sk(sk)->inet_num = IPPROTO_L2TP;
+ l2tp_ip6_hash(sk);
return 0;
}
@@ -728,8 +742,8 @@ static struct proto l2tp_ip6_prot = {
.sendmsg = l2tp_ip6_sendmsg,
.recvmsg = l2tp_ip6_recvmsg,
.backlog_rcv = l2tp_ip6_backlog_recv,
- .hash = inet6_hash,
- .unhash = inet_unhash,
+ .hash = l2tp_ip6_hash,
+ .unhash = l2tp_ip6_unhash,
.obj_size = sizeof(struct l2tp_ip6_sock),
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
@@ -758,6 +772,7 @@ static const struct proto_ops l2tp_ip6_ops = {
.mmap = sock_no_mmap,
.sendpage = sock_no_sendpage,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
diff --git a/net/lapb/Kconfig b/net/lapb/Kconfig
index 6acfc999c952..5b50e8d64f26 100644
--- a/net/lapb/Kconfig
+++ b/net/lapb/Kconfig
@@ -15,7 +15,7 @@ config LAPB
currently supports LAPB only over Ethernet connections. If you want
to use LAPB connections over Ethernet, say Y here and to "LAPB over
Ethernet driver" below. Read
- <file:Documentation/networking/lapb-module.txt> for technical
+ <file:Documentation/networking/lapb-module.rst> for technical
details.
To compile this driver as a module, choose M here: the
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 4d1c335e06e5..7f245e9f114c 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
/**
@@ -292,7 +292,8 @@ void ___ieee80211_start_rx_ba_session(struct sta_info *sta,
goto end;
}
- if (!sta->sta.ht_cap.ht_supported) {
+ if (!sta->sta.ht_cap.ht_supported &&
+ sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ) {
ht_dbg(sta->sdata,
"STA %pM erroneously requests BA session on tid %d w/o QoS\n",
sta->sta.addr, tid);
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 33da6f738c99..b37c8a983d88 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -448,6 +448,45 @@ static void sta_addba_resp_timer_expired(struct timer_list *t)
ieee80211_stop_tx_ba_session(&sta->sta, tid);
}
+static void ieee80211_send_addba_with_timeout(struct sta_info *sta,
+ struct tid_ampdu_tx *tid_tx)
+{
+ struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct ieee80211_local *local = sta->local;
+ u8 tid = tid_tx->tid;
+ u16 buf_size;
+
+ /* activate the timer for the recipient's addBA response */
+ mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
+ ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n",
+ sta->sta.addr, tid);
+
+ spin_lock_bh(&sta->lock);
+ sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;
+ sta->ampdu_mlme.addba_req_num[tid]++;
+ spin_unlock_bh(&sta->lock);
+
+ if (sta->sta.he_cap.has_he) {
+ buf_size = local->hw.max_tx_aggregation_subframes;
+ } else {
+ /*
+ * We really should use what the driver told us it will
+ * transmit as the maximum, but certain APs (e.g. the
+ * LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012)
+ * will crash when we use a lower number.
+ */
+ buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
+ }
+
+ /* send AddBA request */
+ ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
+ tid_tx->dialog_token,
+ sta->tid_seq[tid] >> 4,
+ buf_size, tid_tx->timeout);
+
+ WARN_ON(test_and_set_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state));
+}
+
void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
{
struct tid_ampdu_tx *tid_tx;
@@ -462,7 +501,6 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
.timeout = 0,
};
int ret;
- u16 buf_size;
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
@@ -485,7 +523,9 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
params.ssn = sta->tid_seq[tid] >> 4;
ret = drv_ampdu_action(local, sdata, &params);
- if (ret == IEEE80211_AMPDU_TX_START_IMMEDIATE) {
+ if (ret == IEEE80211_AMPDU_TX_START_DELAY_ADDBA) {
+ return;
+ } else if (ret == IEEE80211_AMPDU_TX_START_IMMEDIATE) {
/*
* We didn't send the request yet, so don't need to check
* here if we already got a response, just mark as driver
@@ -508,32 +548,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
return;
}
- /* activate the timer for the recipient's addBA response */
- mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL);
- ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n",
- sta->sta.addr, tid);
-
- spin_lock_bh(&sta->lock);
- sta->ampdu_mlme.last_addba_req_time[tid] = jiffies;
- sta->ampdu_mlme.addba_req_num[tid]++;
- spin_unlock_bh(&sta->lock);
-
- if (sta->sta.he_cap.has_he) {
- buf_size = local->hw.max_tx_aggregation_subframes;
- } else {
- /*
- * We really should use what the driver told us it will
- * transmit as the maximum, but certain APs (e.g. the
- * LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012)
- * will crash when we use a lower number.
- */
- buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
- }
-
- /* send AddBA request */
- ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
- tid_tx->dialog_token, params.ssn,
- buf_size, tid_tx->timeout);
+ ieee80211_send_addba_with_timeout(sta, tid_tx);
}
/*
@@ -578,7 +593,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
"Requested to start BA session on reserved tid=%d", tid))
return -EINVAL;
- if (!pubsta->ht_cap.ht_supported)
+ if (!pubsta->ht_cap.ht_supported &&
+ sta->sdata->vif.bss_conf.chandef.chan->band != NL80211_BAND_6GHZ)
return -EINVAL;
if (WARN_ON_ONCE(!local->ops->ampdu_action))
@@ -754,6 +770,12 @@ void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid,
if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state)))
return;
+ if (!test_bit(HT_AGG_STATE_SENT_ADDBA, &tid_tx->state)) {
+ ieee80211_send_addba_with_timeout(sta, tid_tx);
+ /* RESPONSE_RECEIVED state whould trigger the flow again */
+ return;
+ }
+
if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state))
ieee80211_agg_tx_operational(local, sta, tid);
}
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0f72813fed53..9b360544ad6f 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -994,7 +994,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
BSS_CHANGED_TWT |
BSS_CHANGED_HE_OBSS_PD |
BSS_CHANGED_HE_BSS_COLOR;
- int err;
+ int i, err;
int prev_beacon_int;
old = sdata_dereference(sdata->u.ap.beacon, sdata);
@@ -1085,6 +1085,17 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
IEEE80211_P2P_OPPPS_ENABLE_BIT;
+ sdata->beacon_rate_set = false;
+ if (wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
+ for (i = 0; i < NUM_NL80211_BANDS; i++) {
+ sdata->beacon_rateidx_mask[i] =
+ params->beacon_rate.control[i].legacy;
+ if (sdata->beacon_rateidx_mask[i])
+ sdata->beacon_rate_set = true;
+ }
+ }
+
err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
if (err < 0) {
ieee80211_vif_release_channel(sdata);
@@ -1189,6 +1200,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
ieee80211_free_keys(sdata, true);
sdata->vif.bss_conf.enable_beacon = false;
+ sdata->beacon_rate_set = false;
sdata->vif.bss_conf.ssid_len = 0;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
@@ -1508,7 +1520,9 @@ static int sta_apply_parameters(struct ieee80211_local *local,
if (params->he_capa)
ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
(void *)params->he_capa,
- params->he_capa_len, sta);
+ params->he_capa_len,
+ (void *)params->he_6ghz_capa,
+ sta);
if (params->opmode_notif_used) {
/* returned value is only needed for rc update, but the
@@ -1949,6 +1963,7 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
const u8 *old_ie;
struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
struct ieee80211_sub_if_data, u.mesh);
+ int i;
/* allocate information elements */
new_ie = NULL;
@@ -1987,6 +2002,17 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
sdata->vif.bss_conf.dtim_period = setup->dtim_period;
+ sdata->beacon_rate_set = false;
+ if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
+ NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
+ for (i = 0; i < NUM_NL80211_BANDS; i++) {
+ sdata->beacon_rateidx_mask[i] =
+ setup->beacon_rate.control[i].legacy;
+ if (sdata->beacon_rateidx_mask[i])
+ sdata->beacon_rate_set = true;
+ }
+ }
+
return 0;
}
@@ -2172,7 +2198,8 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
}
if (!sdata->vif.bss_conf.use_short_slot &&
- sband->band == NL80211_BAND_5GHZ) {
+ (sband->band == NL80211_BAND_5GHZ ||
+ sband->band == NL80211_BAND_6GHZ)) {
sdata->vif.bss_conf.use_short_slot = true;
changed |= BSS_CHANGED_ERP_SLOT;
}
@@ -3287,6 +3314,12 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
goto out;
}
+ if (params->chandef.chan->freq_offset) {
+ /* this may work, but is untested */
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
chanctx = container_of(conf, struct ieee80211_chanctx, conf);
ch_switch.timestamp = 0;
@@ -3398,41 +3431,43 @@ int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
return 0;
}
-static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
+static void
+ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
struct wireless_dev *wdev,
- u16 frame_type, bool reg)
+ struct mgmt_frame_regs *upd)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+ u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
+ u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
+ bool global_change, intf_change;
+
+ global_change =
+ (local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
+ (local->rx_mcast_action_reg !=
+ !!(upd->global_mcast_stypes & action_mask));
+ local->probe_req_reg = upd->global_stypes & preq_mask;
+ local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
+
+ intf_change = (sdata->vif.probe_req_reg !=
+ !!(upd->interface_stypes & preq_mask)) ||
+ (sdata->vif.rx_mcast_action_reg !=
+ !!(upd->interface_mcast_stypes & action_mask));
+ sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
+ sdata->vif.rx_mcast_action_reg =
+ upd->interface_mcast_stypes & action_mask;
+
+ if (!local->open_count)
+ return;
- switch (frame_type) {
- case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
- if (reg) {
- local->probe_req_reg++;
- sdata->vif.probe_req_reg++;
- } else {
- if (local->probe_req_reg)
- local->probe_req_reg--;
-
- if (sdata->vif.probe_req_reg)
- sdata->vif.probe_req_reg--;
- }
-
- if (!local->open_count)
- break;
-
- if (sdata->vif.probe_req_reg == 1)
- drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
- FIF_PROBE_REQ);
- else if (sdata->vif.probe_req_reg == 0)
- drv_config_iface_filter(local, sdata, 0,
- FIF_PROBE_REQ);
+ if (intf_change && ieee80211_sdata_running(sdata))
+ drv_config_iface_filter(local, sdata,
+ sdata->vif.probe_req_reg ?
+ FIF_PROBE_REQ : 0,
+ FIF_PROBE_REQ);
+ if (global_change)
ieee80211_configure_filter(local);
- break;
- default:
- break;
- }
}
static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
@@ -3925,7 +3960,7 @@ static int ieee80211_set_tid_config(struct wiphy *wiphy,
static int ieee80211_reset_tid_config(struct wiphy *wiphy,
struct net_device *dev,
- const u8 *peer, u8 tid)
+ const u8 *peer, u8 tids)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct sta_info *sta;
@@ -3935,7 +3970,7 @@ static int ieee80211_reset_tid_config(struct wiphy *wiphy,
return -EOPNOTSUPP;
if (!peer)
- return drv_reset_tid_config(sdata->local, sdata, NULL, tid);
+ return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
mutex_lock(&sdata->local->sta_mtx);
sta = sta_info_get_bss(sdata, peer);
@@ -3944,7 +3979,7 @@ static int ieee80211_reset_tid_config(struct wiphy *wiphy,
return -ENOENT;
}
- ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tid);
+ ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
mutex_unlock(&sdata->local->sta_mtx);
return ret;
@@ -4017,7 +4052,8 @@ const struct cfg80211_ops mac80211_config_ops = {
.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
- .mgmt_frame_register = ieee80211_mgmt_frame_register,
+ .update_mgmt_frame_registrations =
+ ieee80211_update_mgmt_frame_registrations,
.set_antenna = ieee80211_set_antenna,
.get_antenna = ieee80211_get_antenna,
.set_rekey_data = ieee80211_set_rekey_data,
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 9c94baaf693c..e6e192f53e4e 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -533,6 +533,7 @@ static void ieee80211_del_chanctx(struct ieee80211_local *local,
struct cfg80211_chan_def *chandef = &local->_oper_chandef;
chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
chandef->center_freq1 = chandef->chan->center_freq;
+ chandef->freq1_offset = chandef->chan->freq_offset;
chandef->center_freq2 = 0;
/* NOTE: Disabling radar is only valid here for
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 3dbe7c5cefd1..d7e955127d5c 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -236,7 +236,7 @@ IEEE80211_IF_FILE_R(hw_queues);
/* STA attributes */
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
-IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
+IEEE80211_IF_FILE(aid, vif.bss_conf.aid, DEC);
IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 3877710e3b48..de69fc9c4f07 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1375,12 +1375,12 @@ static inline int drv_set_tid_config(struct ieee80211_local *local,
static inline int drv_reset_tid_config(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
- struct ieee80211_sta *sta, u8 tid)
+ struct ieee80211_sta *sta, u8 tids)
{
int ret;
might_sleep();
- ret = local->ops->reset_tid_config(&local->hw, &sdata->vif, sta, tid);
+ ret = local->ops->reset_tid_config(&local->hw, &sdata->vif, sta, tids);
trace_drv_return_int(local, ret);
return ret;
diff --git a/net/mac80211/he.c b/net/mac80211/he.c
index 1087f715338b..cc26f239838b 100644
--- a/net/mac80211/he.c
+++ b/net/mac80211/he.c
@@ -8,10 +8,55 @@
#include "ieee80211_i.h"
+static void
+ieee80211_update_from_he_6ghz_capa(const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
+ struct sta_info *sta)
+{
+ enum ieee80211_smps_mode smps_mode;
+
+ if (sta->sdata->vif.type == NL80211_IFTYPE_AP ||
+ sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
+ switch (le16_get_bits(he_6ghz_capa->capa,
+ IEEE80211_HE_6GHZ_CAP_SM_PS)) {
+ case WLAN_HT_CAP_SM_PS_INVALID:
+ case WLAN_HT_CAP_SM_PS_STATIC:
+ smps_mode = IEEE80211_SMPS_STATIC;
+ break;
+ case WLAN_HT_CAP_SM_PS_DYNAMIC:
+ smps_mode = IEEE80211_SMPS_DYNAMIC;
+ break;
+ case WLAN_HT_CAP_SM_PS_DISABLED:
+ smps_mode = IEEE80211_SMPS_OFF;
+ break;
+ }
+
+ sta->sta.smps_mode = smps_mode;
+ } else {
+ sta->sta.smps_mode = IEEE80211_SMPS_OFF;
+ }
+
+ switch (le16_get_bits(he_6ghz_capa->capa,
+ IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN)) {
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454:
+ sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_11454;
+ break;
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991:
+ sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_7991;
+ break;
+ case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895:
+ default:
+ sta->sta.max_amsdu_len = IEEE80211_MAX_MPDU_LEN_VHT_3895;
+ break;
+ }
+
+ sta->sta.he_6ghz_capa = *he_6ghz_capa;
+}
+
void
ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
struct sta_info *sta)
{
struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap;
@@ -53,21 +98,21 @@ ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta);
sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta);
+
+ if (sband->band == NL80211_BAND_6GHZ && he_6ghz_capa)
+ ieee80211_update_from_he_6ghz_capa(he_6ghz_capa, sta);
}
void
ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif,
- const struct ieee80211_he_operation *he_op_ie_elem)
+ const struct ieee80211_he_operation *he_op_ie)
{
- struct ieee80211_he_operation *he_operation =
- &vif->bss_conf.he_operation;
-
- if (!he_op_ie_elem) {
- memset(he_operation, 0, sizeof(*he_operation));
+ memset(&vif->bss_conf.he_oper, 0, sizeof(vif->bss_conf.he_oper));
+ if (!he_op_ie)
return;
- }
- vif->bss_conf.he_operation = *he_op_ie_elem;
+ vif->bss_conf.he_oper.params = __le32_to_cpu(he_op_ie->he_oper_params);
+ vif->bss_conf.he_oper.nss_set = __le16_to_cpu(he_op_ie->he_mcs_nss_set);
}
void
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index d40744903fa9..81d26fef41e9 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -9,7 +9,7 @@
* Copyright 2009, Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2016 Intel Deutschland GmbH
- * Copyright(c) 2018-2019 Intel Corporation
+ * Copyright(c) 2018-2020 Intel Corporation
*/
#include <linux/delay.h>
@@ -781,6 +781,7 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
enum nl80211_channel_type ch_type;
int err;
u32 sta_flags;
+ u32 vht_cap_info = 0;
sdata_assert_lock(sdata);
@@ -798,9 +799,13 @@ ieee80211_ibss_process_chanswitch(struct ieee80211_sub_if_data *sdata,
break;
}
+ if (elems->vht_cap_elem)
+ vht_cap_info = le32_to_cpu(elems->vht_cap_elem->vht_cap_info);
+
memset(&params, 0, sizeof(params));
err = ieee80211_parse_ch_switch_ie(sdata, elems,
ifibss->chandef.chan->band,
+ vht_cap_info,
sta_flags, ifibss->bssid, &csa_ie);
/* can't switch to destination channel, fail */
if (err < 0)
@@ -1060,8 +1065,10 @@ static void ieee80211_update_sta_info(struct ieee80211_sub_if_data *sdata,
/* we both use VHT */
struct ieee80211_vht_cap cap_ie;
struct ieee80211_sta_vht_cap cap = sta->sta.vht_cap;
+ u32 vht_cap_info =
+ le32_to_cpu(elems->vht_cap_elem->vht_cap_info);
- ieee80211_chandef_vht_oper(&local->hw,
+ ieee80211_chandef_vht_oper(&local->hw, vht_cap_info,
elems->vht_operation,
elems->ht_operation,
&chandef);
@@ -1758,6 +1765,11 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
int i;
int ret;
+ if (params->chandef.chan->freq_offset) {
+ /* this may work, but is untested */
+ return -EOPNOTSUPP;
+ }
+
ret = cfg80211_chandef_dfs_required(local->hw.wiphy,
&params->chandef,
sdata->wdev.iftype);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index f8ed4f621f7f..ec1a71ac65f2 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -111,6 +111,8 @@ struct ieee80211_bss {
size_t supp_rates_len;
struct ieee80211_rate *beacon_rate;
+ u32 vht_cap_info;
+
/*
* During association, we save an ERP value from a probe response so
* that we can feed ERP info to the driver when handling the
@@ -267,7 +269,7 @@ struct probe_resp {
struct rcu_head rcu_head;
int len;
u16 csa_counter_offsets[IEEE80211_MAX_CSA_COUNTERS_NUM];
- u8 data[0];
+ u8 data[];
};
struct ps_data {
@@ -450,8 +452,6 @@ struct ieee80211_if_managed {
u8 bssid[ETH_ALEN] __aligned(2);
- u16 aid;
-
bool powersave; /* powersave requested for this iface */
bool broken_ap; /* AP is broken -- turn off powersave */
bool have_beacon;
@@ -964,6 +964,10 @@ struct ieee80211_sub_if_data {
bool rc_has_vht_mcs_mask[NUM_NL80211_BANDS];
u16 rc_rateidx_vht_mcs_mask[NUM_NL80211_BANDS][NL80211_VHT_NSS_MAX];
+ /* Beacon frame (non-MCS) rate (as a bitmap) */
+ u32 beacon_rateidx_mask[NUM_NL80211_BANDS];
+ bool beacon_rate_set;
+
union {
struct ieee80211_if_ap ap;
struct ieee80211_if_wds wds;
@@ -1169,7 +1173,8 @@ struct ieee80211_local {
/* number of interfaces with corresponding FIF_ flags */
int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll,
fif_probe_req;
- int probe_req_reg;
+ bool probe_req_reg;
+ bool rx_mcast_action_reg;
unsigned int filter_flags; /* FIF_* */
bool wiphy_ciphers_allocated;
@@ -1491,6 +1496,7 @@ struct ieee802_11_elems {
const struct ieee80211_he_operation *he_operation;
const struct ieee80211_he_spr *he_spr;
const struct ieee80211_mu_edca_param_set *mu_edca_param_set;
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa;
const u8 *uora_element;
const u8 *mesh_id;
const u8 *peering;
@@ -1780,7 +1786,8 @@ netdev_tx_t ieee80211_subif_start_xmit_8023(struct sk_buff *skb,
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags,
- u32 ctrl_flags);
+ u32 ctrl_flags,
+ u64 *cookie);
void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
struct sk_buff_head *skbs);
struct sk_buff *
@@ -1797,7 +1804,8 @@ void ieee80211_check_fast_xmit_iface(struct ieee80211_sub_if_data *sdata);
void ieee80211_clear_fast_xmit(struct sta_info *sta);
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
- const u8 *dest, __be16 proto, bool unencrypted);
+ const u8 *dest, __be16 proto, bool unencrypted,
+ u64 *cookie);
int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len);
@@ -1891,6 +1899,7 @@ void
ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
const u8 *he_cap_ie, u8 he_cap_len,
+ const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
struct sta_info *sta);
void
ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif,
@@ -1909,6 +1918,7 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
* @sdata: the sdata of the interface which has received the frame
* @elems: parsed 802.11 elements received with the frame
* @current_band: indicates the current band
+ * @vht_cap_info: VHT capabilities of the transmitter
* @sta_flags: contains information about own capabilities and restrictions
* to decide which channel switch announcements can be accepted. Only the
* following subset of &enum ieee80211_sta_flags are evaluated:
@@ -1923,6 +1933,7 @@ void ieee80211_process_measurement_req(struct ieee80211_sub_if_data *sdata,
int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *elems,
enum nl80211_band current_band,
+ u32 vht_cap_info,
u32 sta_flags, u8 *bssid,
struct ieee80211_csa_ie *csa_ie);
@@ -2133,7 +2144,7 @@ enum {
IEEE80211_PROBE_FLAG_RANDOM_SN = BIT(2),
};
-int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
+int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
size_t buffer_len,
struct ieee80211_scan_ies *ie_desc,
const u8 *ie, size_t ie_len,
@@ -2171,7 +2182,9 @@ u8 ieee80211_ie_len_he_cap(struct ieee80211_sub_if_data *sdata, u8 iftype);
u8 *ieee80211_ie_build_he_cap(u8 *pos,
const struct ieee80211_sta_he_cap *he_cap,
u8 *end);
-u8 *ieee80211_ie_build_he_oper(u8 *pos);
+void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
+u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef);
int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
const struct ieee80211_supported_band *sband,
const u8 *srates, int srates_len, u32 *rates);
@@ -2186,10 +2199,13 @@ u8 *ieee80211_add_wmm_info_ie(u8 *buf, u8 qosinfo);
/* channel management */
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
struct cfg80211_chan_def *chandef);
-bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
+bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
const struct ieee80211_vht_operation *oper,
const struct ieee80211_ht_operation *htop,
struct cfg80211_chan_def *chandef);
+bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
+ const struct ieee80211_he_operation *he_oper,
+ struct cfg80211_chan_def *chandef);
u32 ieee80211_chandef_downgrade(struct cfg80211_chan_def *c);
int __must_check
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index d069825705d6..f900c84fb40f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -644,6 +644,11 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
local->fif_probe_req++;
}
+ if (sdata->vif.probe_req_reg)
+ drv_config_iface_filter(local, sdata,
+ FIF_PROBE_REQ,
+ FIF_PROBE_REQ);
+
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE &&
sdata->vif.type != NL80211_IFTYPE_NAN)
changed |= ieee80211_reset_erp_info(sdata);
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 0e9ad60fb2b3..b4a2efe8e83a 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -64,6 +64,9 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
if (local->fif_pspoll)
new_flags |= FIF_PSPOLL;
+ if (local->rx_mcast_action_reg)
+ new_flags |= FIF_MCAST_ACTION;
+
spin_lock_bh(&local->filter_lock);
changed_flags = local->filter_flags ^ new_flags;
@@ -104,13 +107,15 @@ static u32 ieee80211_hw_conf_chan(struct ieee80211_local *local)
chandef.chan = local->tmp_channel;
chandef.width = NL80211_CHAN_WIDTH_20_NOHT;
chandef.center_freq1 = chandef.chan->center_freq;
+ chandef.freq1_offset = chandef.chan->freq_offset;
} else
chandef = local->_oper_chandef;
WARN(!cfg80211_chandef_valid(&chandef),
- "control:%d MHz width:%d center: %d/%d MHz",
- chandef.chan->center_freq, chandef.width,
- chandef.center_freq1, chandef.center_freq2);
+ "control:%d.%03d MHz width:%d center: %d.%03d/%d MHz",
+ chandef.chan->center_freq, chandef.chan->freq_offset,
+ chandef.width, chandef.center_freq1, chandef.freq1_offset,
+ chandef.center_freq2);
if (!cfg80211_chandef_identical(&chandef, &local->_oper_chandef))
local->hw.conf.flags |= IEEE80211_CONF_OFFCHANNEL;
@@ -591,6 +596,10 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211);
wiphy_ext_feature_set(wiphy,
NL80211_EXT_FEATURE_CONTROL_PORT_NO_PREAUTH);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211_TX_STATUS);
+ wiphy_ext_feature_set(wiphy,
+ NL80211_EXT_FEATURE_SCAN_FREQ_KHZ);
if (!ops->hw_scan) {
wiphy->features |= NL80211_FEATURE_LOW_PRIORITY_SCAN |
@@ -1183,8 +1192,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
IEEE80211_TX_STATUS_HEADROOM);
- debugfs_hw_add(local);
-
/*
* if the driver doesn't specify a max listen interval we
* use 5 which should be a safe default
@@ -1273,6 +1280,9 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
if (result < 0)
goto fail_wiphy_register;
+ debugfs_hw_add(local);
+ rate_control_add_debugfs(local);
+
rtnl_lock();
/* add one default STA interface if supported */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 36978a0e5000..5f1ca25b6c97 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2008, 2009 open80211s Ltd.
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
* Authors: Luis Carlos Cobo <luisca@cozybit.com>
* Javier Cardona <javier@cozybit.com>
*/
@@ -63,6 +63,7 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
u32 basic_rates = 0;
struct cfg80211_chan_def sta_chan_def;
struct ieee80211_supported_band *sband;
+ u32 vht_cap_info = 0;
/*
* As support for each feature is added, check for matching
@@ -96,9 +97,14 @@ bool mesh_matches_local(struct ieee80211_sub_if_data *sdata,
cfg80211_chandef_create(&sta_chan_def, sdata->vif.bss_conf.chandef.chan,
NL80211_CHAN_NO_HT);
ieee80211_chandef_ht_oper(ie->ht_operation, &sta_chan_def);
- ieee80211_chandef_vht_oper(&sdata->local->hw,
+
+ if (ie->vht_cap_elem)
+ vht_cap_info = le32_to_cpu(ie->vht_cap_elem->vht_cap_info);
+
+ ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
ie->vht_operation, ie->ht_operation,
&sta_chan_def);
+ ieee80211_chandef_he_6ghz_oper(sdata, ie->he_operation, &sta_chan_def);
if (!cfg80211_chandef_compatible(&sdata->vif.bss_conf.chandef,
&sta_chan_def))
@@ -415,6 +421,10 @@ int mesh_add_ht_cap_ie(struct ieee80211_sub_if_data *sdata,
if (!sband)
return -EINVAL;
+ /* HT not allowed in 6 GHz */
+ if (sband->band == NL80211_BAND_6GHZ)
+ return 0;
+
if (!sband->ht_cap.ht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -452,6 +462,10 @@ int mesh_add_ht_oper_ie(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[channel->band];
ht_cap = &sband->ht_cap;
+ /* HT not allowed in 6 GHz */
+ if (sband->band == NL80211_BAND_6GHZ)
+ return 0;
+
if (!ht_cap->ht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -479,6 +493,10 @@ int mesh_add_vht_cap_ie(struct ieee80211_sub_if_data *sdata,
if (!sband)
return -EINVAL;
+ /* VHT not allowed in 6 GHz */
+ if (sband->band == NL80211_BAND_6GHZ)
+ return 0;
+
if (!sband->vht_cap.vht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -516,6 +534,10 @@ int mesh_add_vht_oper_ie(struct ieee80211_sub_if_data *sdata,
sband = local->hw.wiphy->bands[channel->band];
vht_cap = &sband->vht_cap;
+ /* VHT not allowed in 6 GHz */
+ if (sband->band == NL80211_BAND_6GHZ)
+ return 0;
+
if (!vht_cap->vht_supported ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT ||
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_5 ||
@@ -565,6 +587,7 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
{
const struct ieee80211_sta_he_cap *he_cap;
struct ieee80211_supported_band *sband;
+ u32 len;
u8 *pos;
sband = ieee80211_get_sband(sdata);
@@ -578,12 +601,23 @@ int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_10)
return 0;
- if (skb_tailroom(skb) < 2 + 1 + sizeof(struct ieee80211_he_operation))
+ len = 2 + 1 + sizeof(struct ieee80211_he_operation);
+ if (sdata->vif.bss_conf.chandef.chan->band == NL80211_BAND_6GHZ)
+ len += sizeof(struct ieee80211_he_6ghz_oper);
+
+ if (skb_tailroom(skb) < len)
return -ENOMEM;
- pos = skb_put(skb, 2 + 1 + sizeof(struct ieee80211_he_operation));
- ieee80211_ie_build_he_oper(pos);
+ pos = skb_put(skb, len);
+ ieee80211_ie_build_he_oper(pos, &sdata->vif.bss_conf.chandef);
+
+ return 0;
+}
+int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ ieee80211_ie_build_he_6ghz_cap(sdata, skb);
return 0;
}
@@ -766,6 +800,8 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
2 + sizeof(struct ieee80211_vht_operation) +
ie_len_he_cap +
2 + 1 + sizeof(struct ieee80211_he_operation) +
+ sizeof(struct ieee80211_he_6ghz_oper) +
+ 2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
ifmsh->ie_len;
bcn = kzalloc(sizeof(*bcn) + head_len + tail_len, GFP_KERNEL);
@@ -885,6 +921,7 @@ ieee80211_mesh_build_beacon(struct ieee80211_if_mesh *ifmsh)
mesh_add_vht_oper_ie(sdata, skb) ||
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
mesh_add_he_oper_ie(sdata, skb) ||
+ mesh_add_he_6ghz_cap_ie(sdata, skb) ||
mesh_add_vendor_ies(sdata, skb))
goto out_free;
@@ -994,6 +1031,7 @@ void ieee80211_stop_mesh(struct ieee80211_sub_if_data *sdata)
/* stop the beacon */
ifmsh->mesh_id_len = 0;
sdata->vif.bss_conf.enable_beacon = false;
+ sdata->beacon_rate_set = false;
clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
@@ -1044,7 +1082,7 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct ieee80211_supported_band *sband;
int err;
- u32 sta_flags;
+ u32 sta_flags, vht_cap_info = 0;
sdata_assert_lock(sdata);
@@ -1067,8 +1105,13 @@ ieee80211_mesh_process_chnswitch(struct ieee80211_sub_if_data *sdata,
break;
}
+ if (elems->vht_cap_elem)
+ vht_cap_info =
+ le32_to_cpu(elems->vht_cap_elem->vht_cap_info);
+
memset(&params, 0, sizeof(params));
err = ieee80211_parse_ch_switch_ie(sdata, elems, sband->band,
+ vht_cap_info,
sta_flags, sdata->vif.addr,
&csa_ie);
if (err < 0)
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index 953f720754e8..40492d1bd8fd 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -222,6 +222,8 @@ int mesh_add_he_cap_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u8 ie_len);
int mesh_add_he_oper_ie(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb);
+int mesh_add_he_6ghz_cap_ie(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb);
void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index 38a0383dfbcf..aa5150929996 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -1103,7 +1103,14 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata)
mesh_path_sel_frame_tx(MPATH_PREQ, 0, sdata->vif.addr, ifmsh->sn,
target_flags, mpath->dst, mpath->sn, da, 0,
ttl, lifetime, 0, ifmsh->preq_id++, sdata);
+
+ spin_lock_bh(&mpath->state_lock);
+ if (mpath->flags & MESH_PATH_DELETED) {
+ spin_unlock_bh(&mpath->state_lock);
+ goto enddiscovery;
+ }
mod_timer(&mpath->timer, jiffies + mpath->discovery_timeout);
+ spin_unlock_bh(&mpath->state_lock);
enddiscovery:
rcu_read_unlock();
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 737c5f4dbf52..798e4b6b383f 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -238,6 +238,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
2 + sizeof(struct ieee80211_vht_operation) +
ie_len_he_cap +
2 + 1 + sizeof(struct ieee80211_he_operation) +
+ sizeof(struct ieee80211_he_6ghz_oper) +
+ 2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
2 + 8 + /* peering IE */
sdata->u.mesh.ie_len);
if (!skb)
@@ -328,7 +330,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
mesh_add_vht_cap_ie(sdata, skb) ||
mesh_add_vht_oper_ie(sdata, skb) ||
mesh_add_he_cap_ie(sdata, skb, ie_len_he_cap) ||
- mesh_add_he_oper_ie(sdata, skb))
+ mesh_add_he_oper_ie(sdata, skb) ||
+ mesh_add_he_6ghz_cap_ie(sdata, skb))
goto free;
}
@@ -441,7 +444,9 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
elems->vht_cap_elem, sta);
ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband, elems->he_cap,
- elems->he_cap_len, sta);
+ elems->he_cap_len,
+ elems->he_6ghz_capa,
+ sta);
if (bw != sta->sta.bandwidth)
changed |= IEEE80211_RC_BW_CHANGED;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 16d75da0996a..5820ef02a587 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -145,6 +145,7 @@ static u32
ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband,
struct ieee80211_channel *channel,
+ u32 vht_cap_info,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
const struct ieee80211_he_operation *he_oper,
@@ -155,13 +156,23 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta_ht_cap sta_ht_cap;
u32 ht_cfreq, ret;
- memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
- ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
-
memset(chandef, 0, sizeof(struct cfg80211_chan_def));
chandef->chan = channel;
chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
chandef->center_freq1 = channel->center_freq;
+ chandef->freq1_offset = channel->freq_offset;
+
+ if (channel->band == NL80211_BAND_6GHZ) {
+ if (!ieee80211_chandef_he_6ghz_oper(sdata, he_oper, chandef))
+ ret = IEEE80211_STA_DISABLE_HT |
+ IEEE80211_STA_DISABLE_VHT |
+ IEEE80211_STA_DISABLE_HE;
+ vht_chandef = *chandef;
+ goto out;
+ }
+
+ memcpy(&sta_ht_cap, &sband->ht_cap, sizeof(sta_ht_cap));
+ ieee80211_apply_htcap_overrides(sdata, &sta_ht_cap);
if (!ht_oper || !sta_ht_cap.ht_supported) {
ret = IEEE80211_STA_DISABLE_HT |
@@ -222,7 +233,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
memcpy(&he_oper_vht_cap, he_oper->optional, 3);
he_oper_vht_cap.basic_mcs_set = cpu_to_le16(0);
- if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
+ if (!ieee80211_chandef_vht_oper(&sdata->local->hw, vht_cap_info,
&he_oper_vht_cap, ht_oper,
&vht_chandef)) {
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HE))
@@ -231,8 +242,10 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
ret = IEEE80211_STA_DISABLE_HE;
goto out;
}
- } else if (!ieee80211_chandef_vht_oper(&sdata->local->hw, vht_oper,
- ht_oper, &vht_chandef)) {
+ } else if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
+ vht_cap_info,
+ vht_oper, ht_oper,
+ &vht_chandef)) {
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
sdata_info(sdata,
"AP VHT information is invalid, disable VHT\n");
@@ -328,6 +341,7 @@ out:
static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta,
const struct ieee80211_ht_cap *ht_cap,
+ const struct ieee80211_vht_cap *vht_cap,
const struct ieee80211_ht_operation *ht_oper,
const struct ieee80211_vht_operation *vht_oper,
const struct ieee80211_he_operation *he_oper,
@@ -342,6 +356,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
u16 ht_opmode;
u32 flags;
enum ieee80211_sta_rx_bandwidth new_sta_bw;
+ u32 vht_cap_info = 0;
int ret;
/* if HT was/is disabled, don't track any bandwidth changes */
@@ -370,8 +385,11 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.ht_operation_mode = ht_opmode;
}
+ if (vht_cap)
+ vht_cap_info = le32_to_cpu(vht_cap->vht_cap_info);
+
/* calculate new channel (type) based on HT/VHT/HE operation IEs */
- flags = ieee80211_determine_chantype(sdata, sband, chan,
+ flags = ieee80211_determine_chantype(sdata, sband, chan, vht_cap_info,
ht_oper, vht_oper, he_oper,
&chandef, true);
@@ -396,9 +414,12 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
return 0;
sdata_info(sdata,
- "AP %pM changed bandwidth, new config is %d MHz, width %d (%d/%d MHz)\n",
- ifmgd->bssid, chandef.chan->center_freq, chandef.width,
- chandef.center_freq1, chandef.center_freq2);
+ "AP %pM changed bandwidth, new config is %d.%03d MHz, "
+ "width %d (%d.%03d/%d MHz)\n",
+ ifmgd->bssid, chandef.chan->center_freq,
+ chandef.chan->freq_offset, chandef.width,
+ chandef.center_freq1, chandef.freq1_offset,
+ chandef.center_freq2);
if (flags != (ifmgd->flags & (IEEE80211_STA_DISABLE_HT |
IEEE80211_STA_DISABLE_VHT |
@@ -654,6 +675,8 @@ static void ieee80211_add_he_ie(struct ieee80211_sub_if_data *sdata,
he_cap->he_cap_elem.phy_cap_info);
pos = skb_put(skb, he_cap_size);
ieee80211_ie_build_he_cap(pos, he_cap, pos + he_cap_size);
+
+ ieee80211_ie_build_he_6ghz_cap(sdata, skb);
}
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
@@ -727,6 +750,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
2 + 1 + sizeof(struct ieee80211_he_cap_elem) + /* HE */
sizeof(struct ieee80211_he_mcs_nss_supp) +
IEEE80211_HE_PPE_THRES_MAX_LEN +
+ 2 + 1 + sizeof(struct ieee80211_he_6ghz_capa) +
assoc_data->ie_len + /* extra IEs */
(assoc_data->fils_kek_len ? 16 /* AES-SIV */ : 0) +
9, /* WMM */
@@ -899,7 +923,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)))
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
+ if (sband->band != NL80211_BAND_6GHZ &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_HT))
ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
sband, chan, sdata->smps_mode);
@@ -953,7 +978,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
offset = noffset;
}
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ if (sband->band != NL80211_BAND_6GHZ &&
+ !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
ieee80211_add_vht_ie(sdata, skb, sband,
&assoc_data->ap_vht_cap);
@@ -1320,6 +1346,7 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
enum nl80211_band current_band;
struct ieee80211_csa_ie csa_ie;
struct ieee80211_channel_switch ch_switch;
+ struct ieee80211_bss *bss;
int res;
sdata_assert_lock(sdata);
@@ -1331,7 +1358,9 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
return;
current_band = cbss->channel->band;
+ bss = (void *)cbss->priv;
res = ieee80211_parse_ch_switch_ie(sdata, elems, current_band,
+ bss->vht_cap_info,
ifmgd->flags,
ifmgd->associated->bssid, &csa_ie);
@@ -1364,10 +1393,14 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (!cfg80211_chandef_usable(local->hw.wiphy, &csa_ie.chandef,
IEEE80211_CHAN_DISABLED)) {
sdata_info(sdata,
- "AP %pM switches to unsupported channel (%d MHz, width:%d, CF1/2: %d/%d MHz), disconnecting\n",
+ "AP %pM switches to unsupported channel "
+ "(%d.%03d MHz, width:%d, CF1/2: %d.%03d/%d MHz), "
+ "disconnecting\n",
ifmgd->associated->bssid,
csa_ie.chandef.chan->center_freq,
+ csa_ie.chandef.chan->freq_offset,
csa_ie.chandef.width, csa_ie.chandef.center_freq1,
+ csa_ie.chandef.freq1_offset,
csa_ie.chandef.center_freq2);
ieee80211_queue_work(&local->hw,
&ifmgd->csa_connection_drop_work);
@@ -1500,6 +1533,7 @@ ieee80211_find_80211h_pwr_constr(struct ieee80211_sub_if_data *sdata,
chan_increment = 1;
break;
case NL80211_BAND_5GHZ:
+ case NL80211_BAND_6GHZ:
chan_increment = 4;
break;
}
@@ -2137,7 +2171,8 @@ static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
}
use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
- if (sband->band == NL80211_BAND_5GHZ)
+ if (sband->band == NL80211_BAND_5GHZ ||
+ sband->band == NL80211_BAND_6GHZ)
use_short_slot = true;
if (use_protection != bss_conf->use_cts_prot) {
@@ -2948,10 +2983,15 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
}
if (status_code != WLAN_STATUS_SUCCESS) {
+ cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
+
+ if (auth_alg == WLAN_AUTH_SAE &&
+ status_code == WLAN_STATUS_ANTI_CLOG_REQUIRED)
+ return;
+
sdata_info(sdata, "%pM denied authentication (status %d)\n",
mgmt->sa, status_code);
ieee80211_destroy_auth_data(sdata, false);
- cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len);
event.u.mlme.status = MLME_DENIED;
event.u.mlme.reason = status_code;
drv_event_callback(sdata->local, sdata, &event);
@@ -3149,15 +3189,16 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband,
*have_higher_than_11mbit = true;
/*
- * Skip HT and VHT BSS membership selectors since they're not
- * rates.
+ * Skip HT, VHT and HE BSS membership selectors since they're
+ * not rates.
*
* Note: Even though the membership selector and the basic
* rate flag share the same bit, they are not exactly
* the same.
*/
if (supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY) ||
- supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY))
+ supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY) ||
+ supp_rates[i] == (0x80 | BSS_MEMBERSHIP_SELECTOR_HE_PHY))
continue;
for (j = 0; j < sband->n_bitrates; j++) {
@@ -3220,6 +3261,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
const struct cfg80211_bss_ies *bss_ies = NULL;
struct ieee80211_mgd_assoc_data *assoc_data = ifmgd->assoc_data;
+ bool is_6ghz = cbss->channel->band == NL80211_BAND_6GHZ;
u32 changed = 0;
int err;
bool ret;
@@ -3249,7 +3291,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
return false;
}
- ifmgd->aid = aid;
+ sdata->vif.bss_conf.aid = aid;
ifmgd->tdls_chan_switch_prohibited =
elems->ext_capab && elems->ext_capab_len >= 5 &&
(elems->ext_capab[4] & WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED);
@@ -3261,11 +3303,12 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
* 2G/3G/4G wifi routers, reported models include the "Onda PN51T",
* "Vodafone PocketWiFi 2", "ZTE MF60" and a similar T-Mobile device.
*/
- if ((assoc_data->wmm && !elems->wmm_param) ||
- (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
- (!elems->ht_cap_elem || !elems->ht_operation)) ||
- (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
- (!elems->vht_cap_elem || !elems->vht_operation))) {
+ if (!is_6ghz &&
+ ((assoc_data->wmm && !elems->wmm_param) ||
+ (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
+ (!elems->ht_cap_elem || !elems->ht_operation)) ||
+ (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
+ (!elems->vht_cap_elem || !elems->vht_operation)))) {
const struct cfg80211_bss_ies *ies;
struct ieee802_11_elems bss_elems;
@@ -3323,7 +3366,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
* We previously checked these in the beacon/probe response, so
* they should be present here. This is just a safety net.
*/
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
+ if (!is_6ghz && !(ifmgd->flags & IEEE80211_STA_DISABLE_HT) &&
(!elems->wmm_param || !elems->ht_cap_elem || !elems->ht_operation)) {
sdata_info(sdata,
"HT AP is missing WMM params or HT capability/operation\n");
@@ -3331,7 +3374,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
goto out;
}
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
+ if (!is_6ghz && !(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) &&
(!elems->vht_cap_elem || !elems->vht_operation)) {
sdata_info(sdata,
"VHT AP is missing VHT capability/operation\n");
@@ -3339,6 +3382,14 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
goto out;
}
+ if (is_6ghz && !(ifmgd->flags & IEEE80211_STA_DISABLE_HE) &&
+ !elems->he_6ghz_capa) {
+ sdata_info(sdata,
+ "HE 6 GHz AP is missing HE 6 GHz band capability\n");
+ ret = false;
+ goto out;
+ }
+
mutex_lock(&sdata->local->sta_mtx);
/*
* station info was already allocated and inserted before
@@ -3381,13 +3432,23 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
elems->he_cap,
elems->he_cap_len,
+ elems->he_6ghz_capa,
sta);
bss_conf->he_support = sta->sta.he_cap.has_he;
+ if (elems->rsnx && elems->rsnx_len &&
+ (elems->rsnx[0] & WLAN_RSNX_CAPA_PROTECTED_TWT) &&
+ wiphy_ext_feature_isset(local->hw.wiphy,
+ NL80211_EXT_FEATURE_PROTECTED_TWT))
+ bss_conf->twt_protected = true;
+ else
+ bss_conf->twt_protected = false;
+
changed |= ieee80211_recalc_twt_req(sdata, sta, elems);
} else {
bss_conf->he_support = false;
bss_conf->twt_requester = false;
+ bss_conf->twt_protected = false;
}
if (bss_conf->he_support) {
@@ -3521,9 +3582,8 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
bss_conf->protected_keep_alive = false;
}
- /* set AID and assoc capability,
+ /* set assoc capability (AID was already set earlier),
* ieee80211_set_associated() will tell the driver */
- bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
ieee80211_set_associated(sdata, cbss, changed);
@@ -3661,7 +3721,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
sdata_assert_lock(sdata);
- channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
+ channel = ieee80211_get_channel_khz(local->hw.wiphy,
+ ieee80211_rx_status_to_khz(rx_status));
if (!channel)
return;
@@ -3877,7 +3938,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
return;
}
- if (rx_status->freq != chanctx_conf->def.chan->center_freq) {
+ if (ieee80211_rx_status_to_khz(rx_status) !=
+ ieee80211_channel_to_khz(chanctx_conf->def.chan)) {
rcu_read_unlock();
return;
}
@@ -3948,7 +4010,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
mgmt->bssid, bssid);
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
- ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
+ ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
local->hw.conf.flags &= ~IEEE80211_CONF_PS;
@@ -4070,8 +4132,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
changed |= ieee80211_recalc_twt_req(sdata, sta, &elems);
- if (ieee80211_config_bw(sdata, sta,
- elems.ht_cap_elem, elems.ht_operation,
+ if (ieee80211_config_bw(sdata, sta, elems.ht_cap_elem,
+ elems.vht_cap_elem, elems.ht_operation,
elems.vht_operation, elems.he_operation,
bssid, &changed)) {
mutex_unlock(&local->sta_mtx);
@@ -4788,6 +4850,8 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
const struct ieee80211_he_operation *he_oper = NULL;
struct ieee80211_supported_band *sband;
struct cfg80211_chan_def chandef;
+ bool is_6ghz = cbss->channel->band == NL80211_BAND_6GHZ;
+ struct ieee80211_bss *bss = (void *)cbss->priv;
int ret;
u32 i;
bool have_80mhz;
@@ -4799,21 +4863,23 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
IEEE80211_STA_DISABLE_160MHZ);
/* disable HT/VHT/HE if we don't support them */
- if (!sband->ht_cap.ht_supported) {
+ if (!sband->ht_cap.ht_supported && !is_6ghz) {
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
}
- if (!sband->vht_cap.vht_supported)
+ if (!sband->vht_cap.vht_supported && !is_6ghz) {
ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+ ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
+ }
if (!ieee80211_get_he_sta_cap(sband))
ifmgd->flags |= IEEE80211_STA_DISABLE_HE;
rcu_read_lock();
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT)) {
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_HT) && !is_6ghz) {
const u8 *ht_oper_ie, *ht_cap_ie;
ht_oper_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_OPERATION);
@@ -4830,7 +4896,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
}
}
- if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT)) {
+ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT) && !is_6ghz) {
const u8 *vht_oper_ie, *vht_cap;
vht_oper_ie = ieee80211_bss_get_ie(cbss,
@@ -4886,6 +4952,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
cbss->channel,
+ bss->vht_cap_info,
ht_oper, vht_oper, he_oper,
&chandef, false);
@@ -4894,6 +4961,11 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
+ if (ifmgd->flags & IEEE80211_STA_DISABLE_HE && is_6ghz) {
+ sdata_info(sdata, "Rejecting non-HE 6/7 GHz connection");
+ return -EINVAL;
+ }
+
/* will change later if needed */
sdata->smps_mode = IEEE80211_SMPS_OFF;
@@ -5022,8 +5094,16 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
* doesn't happen any more, but keep the workaround so
* in case some *other* APs are buggy in different ways
* we can connect -- with a warning.
+ * Allow this workaround only in case the AP provided at least
+ * one rate.
*/
- if (!basic_rates && min_rate_index >= 0) {
+ if (min_rate_index < 0) {
+ sdata_info(sdata,
+ "No legacy rates in association response\n");
+
+ sta_info_free(local, new_sta);
+ return -EINVAL;
+ } else if (!basic_rates) {
sdata_info(sdata,
"No basic rates, using min rate instead\n");
basic_rates = BIT(min_rate_index);
@@ -5267,6 +5347,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct cfg80211_assoc_request *req)
{
+ bool is_6ghz = req->bss->channel->band == NL80211_BAND_6GHZ;
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)req->bss->priv;
@@ -5409,14 +5490,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
if (ht_ie && ht_ie[1] >= sizeof(struct ieee80211_ht_operation))
assoc_data->ap_ht_param =
((struct ieee80211_ht_operation *)(ht_ie + 2))->ht_param;
- else
+ else if (!is_6ghz)
ifmgd->flags |= IEEE80211_STA_DISABLE_HT;
vht_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_VHT_CAPABILITY);
if (vht_ie && vht_ie[1] >= sizeof(struct ieee80211_vht_cap))
memcpy(&assoc_data->ap_vht_cap, vht_ie + 2,
sizeof(struct ieee80211_vht_cap));
- else
- ifmgd->flags |= IEEE80211_STA_DISABLE_VHT;
+ else if (!is_6ghz)
+ ifmgd->flags |= IEEE80211_STA_DISABLE_VHT |
+ IEEE80211_STA_DISABLE_HE;
rcu_read_unlock();
if (WARN((sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_UAPSD) &&
@@ -5517,7 +5599,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
assoc_data->timeout_started = true;
assoc_data->need_beacon = true;
} else if (beacon_ies) {
- const u8 *ie;
+ const struct element *elem;
u8 dtim_count = 0;
ieee80211_get_dtim(beacon_ies, &dtim_count,
@@ -5534,15 +5616,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
sdata->vif.bss_conf.sync_dtim_count = dtim_count;
}
- ie = cfg80211_find_ext_ie(WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION,
- beacon_ies->data, beacon_ies->len);
- if (ie && ie[1] >= 3)
- sdata->vif.bss_conf.profile_periodicity = ie[4];
+ elem = cfg80211_find_ext_elem(WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION,
+ beacon_ies->data, beacon_ies->len);
+ if (elem && elem->datalen >= 3)
+ sdata->vif.bss_conf.profile_periodicity = elem->data[2];
- ie = cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY,
- beacon_ies->data, beacon_ies->len);
- if (ie && ie[1] >= 11 &&
- (ie[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
+ elem = cfg80211_find_elem(WLAN_EID_EXT_CAPABILITY,
+ beacon_ies->data, beacon_ies->len);
+ if (elem && elem->datalen >= 11 &&
+ (elem->data[10] & WLAN_EXT_CAPA11_EMA_SUPPORT))
sdata->vif.bss_conf.ema_ap = true;
} else {
assoc_data->timeout = jiffies;
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index c710504ccf1a..db3b8bf75656 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -557,6 +557,10 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
lockdep_assert_held(&local->mtx);
+ if (channel->freq_offset)
+ /* this may work, but is untested */
+ return -EOPNOTSUPP;
+
if (local->use_chanctx && !local->ops->remain_on_channel)
return -EOPNOTSUPP;
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index a1e9fc7878aa..b051f125d3af 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -214,17 +214,16 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf,
ref->ops->name, len);
}
-static const struct file_operations rcname_ops = {
+const struct file_operations rcname_ops = {
.read = rcname_read,
.open = simple_open,
.llseek = default_llseek,
};
#endif
-static struct rate_control_ref *rate_control_alloc(const char *name,
- struct ieee80211_local *local)
+static struct rate_control_ref *
+rate_control_alloc(const char *name, struct ieee80211_local *local)
{
- struct dentry *debugfsdir = NULL;
struct rate_control_ref *ref;
ref = kmalloc(sizeof(struct rate_control_ref), GFP_KERNEL);
@@ -234,13 +233,7 @@ static struct rate_control_ref *rate_control_alloc(const char *name,
if (!ref->ops)
goto free;
-#ifdef CONFIG_MAC80211_DEBUGFS
- debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
- local->debugfs.rcdir = debugfsdir;
- debugfs_create_file("name", 0400, debugfsdir, ref, &rcname_ops);
-#endif
-
- ref->priv = ref->ops->alloc(&local->hw, debugfsdir);
+ ref->priv = ref->ops->alloc(&local->hw);
if (!ref->priv)
goto free;
return ref;
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index 5397c6dad056..79b44d3db171 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -60,6 +60,29 @@ static inline void rate_control_add_sta_debugfs(struct sta_info *sta)
#endif
}
+extern const struct file_operations rcname_ops;
+
+static inline void rate_control_add_debugfs(struct ieee80211_local *local)
+{
+#ifdef CONFIG_MAC80211_DEBUGFS
+ struct dentry *debugfsdir;
+
+ if (!local->rate_ctrl)
+ return;
+
+ if (!local->rate_ctrl->ops->add_debugfs)
+ return;
+
+ debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir);
+ local->debugfs.rcdir = debugfsdir;
+ debugfs_create_file("name", 0400, debugfsdir,
+ local->rate_ctrl, &rcname_ops);
+
+ local->rate_ctrl->ops->add_debugfs(&local->hw, local->rate_ctrl->priv,
+ debugfsdir);
+#endif
+}
+
void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
/* Get a reference to the rate control algorithm. If `name' is NULL, get the
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 694a31978a04..b11a2af55b06 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2010-2013 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2019-2020 Intel Corporation
*/
#include <linux/netdevice.h>
#include <linux/types.h>
@@ -490,7 +491,7 @@ minstrel_ht_assign_best_tp_rates(struct minstrel_ht_sta *mi,
tmp_prob = mi->groups[tmp_group].rates[tmp_idx].prob_avg;
tmp_mcs_tp = minstrel_ht_get_tp_avg(mi, tmp_group, tmp_idx, tmp_prob);
- if (tmp_cck_tp_rate && tmp_cck_tp > tmp_mcs_tp) {
+ if (tmp_cck_tp > tmp_mcs_tp) {
for(i = 0; i < MAX_THR_RATES; i++) {
minstrel_ht_sort_best_tp_rates(mi, tmp_cck_tp_rate[i],
tmp_mcs_tp_rate);
@@ -1635,7 +1636,7 @@ minstrel_ht_init_cck_rates(struct minstrel_priv *mp)
}
static void *
-minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
+minstrel_ht_alloc(struct ieee80211_hw *hw)
{
struct minstrel_priv *mp;
@@ -1673,7 +1674,17 @@ minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
mp->update_interval = HZ / 10;
mp->new_avg = true;
+ minstrel_ht_init_cck_rates(mp);
+
+ return mp;
+}
+
#ifdef CONFIG_MAC80211_DEBUGFS
+static void minstrel_ht_add_debugfs(struct ieee80211_hw *hw, void *priv,
+ struct dentry *debugfsdir)
+{
+ struct minstrel_priv *mp = priv;
+
mp->fixed_rate_idx = (u32) -1;
debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
&mp->fixed_rate_idx);
@@ -1681,12 +1692,8 @@ minstrel_ht_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
&mp->sample_switch);
debugfs_create_bool("new_avg", S_IRUGO | S_IWUSR, debugfsdir,
&mp->new_avg);
-#endif
-
- minstrel_ht_init_cck_rates(mp);
-
- return mp;
}
+#endif
static void
minstrel_ht_free(void *priv)
@@ -1725,6 +1732,7 @@ static const struct rate_control_ops mac80211_minstrel_ht = {
.alloc = minstrel_ht_alloc,
.free = minstrel_ht_free,
#ifdef CONFIG_MAC80211_DEBUGFS
+ .add_debugfs = minstrel_ht_add_debugfs,
.add_sta_debugfs = minstrel_ht_add_sta_debugfs,
#endif
.get_expected_throughput = minstrel_ht_get_expected_throughput,
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 91a13aee4378..21854a61a2b7 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -93,13 +93,44 @@ static u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len,
* This function cleans up the SKB, i.e. it removes all the stuff
* only useful for monitoring.
*/
-static void remove_monitor_info(struct sk_buff *skb,
- unsigned int present_fcs_len,
- unsigned int rtap_space)
+static struct sk_buff *ieee80211_clean_skb(struct sk_buff *skb,
+ unsigned int present_fcs_len,
+ unsigned int rtap_space)
{
+ struct ieee80211_hdr *hdr;
+ unsigned int hdrlen;
+ __le16 fc;
+
if (present_fcs_len)
__pskb_trim(skb, skb->len - present_fcs_len);
__pskb_pull(skb, rtap_space);
+
+ hdr = (void *)skb->data;
+ fc = hdr->frame_control;
+
+ /*
+ * Remove the HT-Control field (if present) on management
+ * frames after we've sent the frame to monitoring. We
+ * (currently) don't need it, and don't properly parse
+ * frames with it present, due to the assumption of a
+ * fixed management header length.
+ */
+ if (likely(!ieee80211_is_mgmt(fc) || !ieee80211_has_order(fc)))
+ return skb;
+
+ hdrlen = ieee80211_hdrlen(fc);
+ hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_ORDER);
+
+ if (!pskb_may_pull(skb, hdrlen)) {
+ dev_kfree_skb(skb);
+ return NULL;
+ }
+
+ memmove(skb->data + IEEE80211_HT_CTL_LEN, skb->data,
+ hdrlen - IEEE80211_HT_CTL_LEN);
+ __pskb_pull(skb, IEEE80211_HT_CTL_LEN);
+
+ return skb;
}
static inline bool should_drop_frame(struct sk_buff *skb, int present_fcs_len,
@@ -412,6 +443,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
pos++;
/* IEEE80211_RADIOTAP_CHANNEL */
+ /* TODO: frequency offset in KHz */
put_unaligned_le16(status->freq, pos);
pos += 2;
if (status->bw == RATE_INFO_BW_10)
@@ -826,8 +858,8 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
return NULL;
}
- remove_monitor_info(origskb, present_fcs_len, rtap_space);
- return origskb;
+ return ieee80211_clean_skb(origskb, present_fcs_len,
+ rtap_space);
}
ieee80211_handle_mu_mimo_mon(monitor_sdata, origskb, rtap_space);
@@ -870,8 +902,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
if (!origskb)
return NULL;
- remove_monitor_info(origskb, present_fcs_len, rtap_space);
- return origskb;
+ return ieee80211_clean_skb(origskb, present_fcs_len, rtap_space);
}
static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
@@ -1984,8 +2015,12 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
if (mmie_keyidx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS ||
mmie_keyidx >= NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
- NUM_DEFAULT_BEACON_KEYS)
+ NUM_DEFAULT_BEACON_KEYS) {
+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
+ skb->data,
+ skb->len);
return RX_DROP_MONITOR; /* unexpected BIP keyidx */
+ }
rx->key = ieee80211_rx_get_bigtk(rx, mmie_keyidx);
if (!rx->key)
@@ -2131,6 +2166,10 @@ ieee80211_rx_h_decrypt(struct ieee80211_rx_data *rx)
/* either the frame has been decrypted or will be dropped */
status->flag |= RX_FLAG_DECRYPTED;
+ if (unlikely(ieee80211_is_beacon(fc) && result == RX_DROP_UNUSABLE))
+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
+ skb->data, skb->len);
+
return result;
}
@@ -2411,8 +2450,12 @@ static int ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx)
return -EACCES;
}
if (unlikely(ieee80211_is_beacon(fc) && rx->key &&
- ieee80211_get_mmie_keyidx(rx->skb) < 0))
+ ieee80211_get_mmie_keyidx(rx->skb) < 0)) {
+ cfg80211_rx_unprot_mlme_mgmt(rx->sdata->dev,
+ rx->skb->data,
+ rx->skb->len);
return -EACCES;
+ }
/*
* When using MFP, Action frames are not allowed prior to
* having configured keys.
@@ -3082,9 +3125,10 @@ ieee80211_rx_h_mgmt_check(struct ieee80211_rx_data *rx)
!(status->flag & RX_FLAG_NO_SIGNAL_VAL))
sig = status->signal;
- cfg80211_report_obss_beacon(rx->local->hw.wiphy,
- rx->skb->data, rx->skb->len,
- status->freq, sig);
+ cfg80211_report_obss_beacon_khz(rx->local->hw.wiphy,
+ rx->skb->data, rx->skb->len,
+ ieee80211_rx_status_to_khz(status),
+ sig);
rx->flags |= IEEE80211_RX_BEACON_REPORTED;
}
@@ -3340,19 +3384,6 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx)
}
}
break;
- case WLAN_CATEGORY_SA_QUERY:
- if (len < (IEEE80211_MIN_ACTION_SIZE +
- sizeof(mgmt->u.action.u.sa_query)))
- break;
-
- switch (mgmt->u.action.u.sa_query.action) {
- case WLAN_ACTION_SA_QUERY_REQUEST:
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- break;
- ieee80211_process_sa_query_req(sdata, mgmt, len);
- goto handled;
- }
- break;
case WLAN_CATEGORY_SELF_PROTECTED:
if (len < (IEEE80211_MIN_ACTION_SIZE +
sizeof(mgmt->u.action.u.self_prot.action_code)))
@@ -3430,8 +3461,9 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
!(status->flag & RX_FLAG_NO_SIGNAL_VAL))
sig = status->signal;
- if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig,
- rx->skb->data, rx->skb->len, 0)) {
+ if (cfg80211_rx_mgmt_khz(&rx->sdata->wdev,
+ ieee80211_rx_status_to_khz(status), sig,
+ rx->skb->data, rx->skb->len, 0)) {
if (rx->sta)
rx->sta->rx_stats.packets++;
dev_kfree_skb(rx->skb);
@@ -3442,6 +3474,41 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx)
}
static ieee80211_rx_result debug_noinline
+ieee80211_rx_h_action_post_userspace(struct ieee80211_rx_data *rx)
+{
+ struct ieee80211_sub_if_data *sdata = rx->sdata;
+ struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) rx->skb->data;
+ int len = rx->skb->len;
+
+ if (!ieee80211_is_action(mgmt->frame_control))
+ return RX_CONTINUE;
+
+ switch (mgmt->u.action.category) {
+ case WLAN_CATEGORY_SA_QUERY:
+ if (len < (IEEE80211_MIN_ACTION_SIZE +
+ sizeof(mgmt->u.action.u.sa_query)))
+ break;
+
+ switch (mgmt->u.action.u.sa_query.action) {
+ case WLAN_ACTION_SA_QUERY_REQUEST:
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ break;
+ ieee80211_process_sa_query_req(sdata, mgmt, len);
+ goto handled;
+ }
+ break;
+ }
+
+ return RX_CONTINUE;
+
+ handled:
+ if (rx->sta)
+ rx->sta->rx_stats.packets++;
+ dev_kfree_skb(rx->skb);
+ return RX_QUEUED;
+}
+
+static ieee80211_rx_result debug_noinline
ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx)
{
struct ieee80211_local *local = rx->local;
@@ -3721,6 +3788,7 @@ static void ieee80211_rx_handlers(struct ieee80211_rx_data *rx,
CALL_RXH(ieee80211_rx_h_mgmt_check);
CALL_RXH(ieee80211_rx_h_action);
CALL_RXH(ieee80211_rx_h_userspace_mgmt);
+ CALL_RXH(ieee80211_rx_h_action_post_userspace);
CALL_RXH(ieee80211_rx_h_action_return);
CALL_RXH(ieee80211_rx_h_mgmt);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index fdac8192a519..ad90bbe57457 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -132,6 +132,12 @@ ieee80211_update_bss_from_elems(struct ieee80211_local *local,
bss->beacon_rate =
&sband->bitrates[rx_status->rate_idx];
}
+
+ if (elems->vht_cap_elem)
+ bss->vht_cap_info =
+ le32_to_cpu(elems->vht_cap_elem->vht_cap_info);
+ else
+ bss->vht_cap_info = 0;
}
struct ieee80211_bss *
@@ -275,7 +281,8 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb)
return;
}
- channel = ieee80211_get_channel(local->hw.wiphy, rx_status->freq);
+ channel = ieee80211_get_channel_khz(local->hw.wiphy,
+ ieee80211_rx_status_to_khz(rx_status));
if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
return;
@@ -306,8 +313,9 @@ ieee80211_prepare_scan_chandef(struct cfg80211_chan_def *chandef,
}
/* return false if no more work */
-static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
+static bool ieee80211_prep_hw_scan(struct ieee80211_sub_if_data *sdata)
{
+ struct ieee80211_local *local = sdata->local;
struct cfg80211_scan_request *req;
struct cfg80211_chan_def chandef;
u8 bands_used = 0;
@@ -354,7 +362,7 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local)
if (req->flags & NL80211_SCAN_FLAG_MIN_PREQ_CONTENT)
flags |= IEEE80211_PROBE_FLAG_MIN_CONTENT;
- ielen = ieee80211_build_preq_ies(local,
+ ielen = ieee80211_build_preq_ies(sdata,
(u8 *)local->hw_scan_req->req.ie,
local->hw_scan_ies_bufsize,
&local->hw_scan_req->ies,
@@ -394,9 +402,12 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
if (WARN_ON(!local->scan_req))
return;
+ scan_sdata = rcu_dereference_protected(local->scan_sdata,
+ lockdep_is_held(&local->mtx));
+
if (hw_scan && !aborted &&
!ieee80211_hw_check(&local->hw, SINGLE_SCAN_ON_ALL_BANDS) &&
- ieee80211_prep_hw_scan(local)) {
+ ieee80211_prep_hw_scan(scan_sdata)) {
int rc;
rc = drv_hw_scan(local,
@@ -425,9 +436,6 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
cfg80211_scan_done(scan_req, &local->scan_info);
}
RCU_INIT_POINTER(local->scan_req, NULL);
-
- scan_sdata = rcu_dereference_protected(local->scan_sdata,
- lockdep_is_held(&local->mtx));
RCU_INIT_POINTER(local->scan_sdata, NULL);
local->scanning = 0;
@@ -769,7 +777,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
ieee80211_recalc_idle(local);
if (hw_scan) {
- WARN_ON(!ieee80211_prep_hw_scan(local));
+ WARN_ON(!ieee80211_prep_hw_scan(sdata));
rc = drv_hw_scan(local, sdata, local->hw_scan_req);
} else {
rc = ieee80211_start_sw_scan(local, sdata);
@@ -896,6 +904,7 @@ static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
local->scan_chandef.chan = chan;
local->scan_chandef.center_freq1 = chan->center_freq;
+ local->scan_chandef.freq1_offset = chan->freq_offset;
local->scan_chandef.center_freq2 = 0;
switch (scan_req->scan_width) {
case NL80211_BSS_CHAN_WIDTH_5:
@@ -1266,7 +1275,7 @@ int __ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata,
ieee80211_prepare_scan_chandef(&chandef, req->scan_width);
- ieee80211_build_preq_ies(local, ie, num_bands * iebufsz,
+ ieee80211_build_preq_ies(sdata, ie, num_bands * iebufsz,
&sched_scan_ies, req->ie,
req->ie_len, bands_used, rate_masks, &chandef,
flags);
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c
index 5fe2b645912f..ae1cb2c68722 100644
--- a/net/mac80211/spectmgmt.c
+++ b/net/mac80211/spectmgmt.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2007-2008, Intel Corporation
* Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018, 2020 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -22,6 +22,7 @@
int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
struct ieee802_11_elems *elems,
enum nl80211_band current_band,
+ u32 vht_cap_info,
u32 sta_flags, u8 *bssid,
struct ieee80211_csa_ie *csa_ie)
{
@@ -150,6 +151,7 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata,
/* ignore if parsing fails */
if (!ieee80211_chandef_vht_oper(&sdata->local->hw,
+ vht_cap_info,
&vht_oper, &ht_oper,
&new_vht_chandef))
new_vht_chandef.chan = NULL;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index f8d5c2515829..cd8487bc6fc2 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -231,7 +231,8 @@ struct sta_info *sta_info_get_by_idx(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta;
int i = 0;
- list_for_each_entry_rcu(sta, &local->sta_list, list) {
+ list_for_each_entry_rcu(sta, &local->sta_list, list,
+ lockdep_is_held(&local->sta_mtx)) {
if (sdata != sta->sdata)
continue;
if (i < idx) {
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 36f1abaab9ff..49728047dfad 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -3,6 +3,7 @@
* Copyright 2002-2005, Devicescape Software, Inc.
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright(c) 2015-2017 Intel Deutschland GmbH
+ * Copyright(c) 2020 Intel Corporation
*/
#ifndef STA_INFO_H
@@ -68,6 +69,8 @@
* @WLAN_STA_MPSP_RECIPIENT: local STA is recipient of a MPSP.
* @WLAN_STA_PS_DELIVER: station woke up, but we're still blocking TX
* until pending frames are delivered
+ * @WLAN_STA_USES_ENCRYPTION: This station was configured for encryption,
+ * so drop all packets without a key later.
*
* @NUM_WLAN_STA_FLAGS: number of defined flags
*/
@@ -116,6 +119,7 @@ enum ieee80211_sta_info_flags {
#define HT_AGG_STATE_WANT_STOP 5
#define HT_AGG_STATE_START_CB 6
#define HT_AGG_STATE_STOP_CB 7
+#define HT_AGG_STATE_SENT_ADDBA 8
DECLARE_EWMA(avg_signal, 10, 8)
enum ieee80211_agg_stop_reason {
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 22512805eafb..7b1bacac39c6 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -649,10 +649,17 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
info->status.ack_signal,
info->status.is_valid_ack_signal,
GFP_ATOMIC);
- else
+ else if (ieee80211_is_mgmt(hdr->frame_control))
cfg80211_mgmt_tx_status(&sdata->wdev, cookie,
skb->data, skb->len,
acked, GFP_ATOMIC);
+ else
+ cfg80211_control_port_tx_status(&sdata->wdev,
+ cookie,
+ skb->data,
+ skb->len,
+ acked,
+ GFP_ATOMIC);
}
rcu_read_unlock();
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index fca1f5477396..4b0cff4a07bd 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -226,12 +226,11 @@ static void ieee80211_tdls_add_link_ie(struct ieee80211_sub_if_data *sdata,
static void
ieee80211_tdls_add_aid(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb)
{
- struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 *pos = skb_put(skb, 4);
*pos++ = WLAN_EID_AID;
*pos++ = 2; /* len */
- put_unaligned_le16(ifmgd->aid, pos);
+ put_unaligned_le16(sdata->vif.bss_conf.aid, pos);
}
/* translate numbering in the WMM parameter IE to the mac80211 notation */
@@ -1055,7 +1054,7 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
/* disable bottom halves when entering the Tx path */
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, dev, flags, 0);
+ __ieee80211_subif_start_xmit(skb, dev, flags, 0, NULL);
local_bh_enable();
return ret;
@@ -1567,6 +1566,10 @@ ieee80211_tdls_channel_switch(struct wiphy *wiphy, struct net_device *dev,
u32 ch_sw_tm_ie;
int ret;
+ if (chandef->chan->freq_offset)
+ /* this may work, but is untested */
+ return -EOPNOTSUPP;
+
mutex_lock(&local->sta_mtx);
sta = sta_info_get(sdata, addr);
if (!sta) {
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 427f51a0a994..1b4709694d2a 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -37,32 +37,42 @@
#define VIF_PR_ARG __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
#define CHANDEF_ENTRY __field(u32, control_freq) \
+ __field(u32, freq_offset) \
__field(u32, chan_width) \
__field(u32, center_freq1) \
+ __field(u32, freq1_offset) \
__field(u32, center_freq2)
#define CHANDEF_ASSIGN(c) \
__entry->control_freq = (c) ? ((c)->chan ? (c)->chan->center_freq : 0) : 0; \
+ __entry->freq_offset = (c) ? ((c)->chan ? (c)->chan->freq_offset : 0) : 0; \
__entry->chan_width = (c) ? (c)->width : 0; \
__entry->center_freq1 = (c) ? (c)->center_freq1 : 0; \
+ __entry->freq1_offset = (c) ? (c)->freq1_offset : 0; \
__entry->center_freq2 = (c) ? (c)->center_freq2 : 0;
-#define CHANDEF_PR_FMT " control:%d MHz width:%d center: %d/%d MHz"
-#define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \
- __entry->center_freq1, __entry->center_freq2
+#define CHANDEF_PR_FMT " control:%d.%03d MHz width:%d center: %d.%03d/%d MHz"
+#define CHANDEF_PR_ARG __entry->control_freq, __entry->freq_offset, __entry->chan_width, \
+ __entry->center_freq1, __entry->freq1_offset, __entry->center_freq2
#define MIN_CHANDEF_ENTRY \
__field(u32, min_control_freq) \
+ __field(u32, min_freq_offset) \
__field(u32, min_chan_width) \
__field(u32, min_center_freq1) \
+ __field(u32, min_freq1_offset) \
__field(u32, min_center_freq2)
#define MIN_CHANDEF_ASSIGN(c) \
__entry->min_control_freq = (c)->chan ? (c)->chan->center_freq : 0; \
+ __entry->min_freq_offset = (c)->chan ? (c)->chan->freq_offset : 0; \
__entry->min_chan_width = (c)->width; \
__entry->min_center_freq1 = (c)->center_freq1; \
+ __entry->freq1_offset = (c)->freq1_offset; \
__entry->min_center_freq2 = (c)->center_freq2;
-#define MIN_CHANDEF_PR_FMT " min_control:%d MHz min_width:%d min_center: %d/%d MHz"
-#define MIN_CHANDEF_PR_ARG __entry->min_control_freq, __entry->min_chan_width, \
- __entry->min_center_freq1, __entry->min_center_freq2
+#define MIN_CHANDEF_PR_FMT " min_control:%d.%03d MHz min_width:%d min_center: %d.%03d/%d MHz"
+#define MIN_CHANDEF_PR_ARG __entry->min_control_freq, __entry->min_freq_offset, \
+ __entry->min_chan_width, \
+ __entry->min_center_freq1, __entry->min_freq1_offset, \
+ __entry->min_center_freq2
#define CHANCTX_ENTRY CHANDEF_ENTRY \
MIN_CHANDEF_ENTRY \
@@ -412,6 +422,7 @@ TRACE_EVENT(drv_bss_info_changed,
__field(s32, cqm_rssi_hyst)
__field(u32, channel_width)
__field(u32, channel_cfreq1)
+ __field(u32, channel_cfreq1_offset)
__dynamic_array(u32, arp_addr_list,
info->arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
IEEE80211_BSS_ARP_ADDR_LIST_LEN :
@@ -452,6 +463,7 @@ TRACE_EVENT(drv_bss_info_changed,
__entry->cqm_rssi_hyst = info->cqm_rssi_hyst;
__entry->channel_width = info->chandef.width;
__entry->channel_cfreq1 = info->chandef.center_freq1;
+ __entry->channel_cfreq1_offset = info->chandef.freq1_offset;
__entry->arp_addr_cnt = info->arp_addr_cnt;
memcpy(__get_dynamic_array(arp_addr_list), info->arp_addr_list,
sizeof(u32) * (info->arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ?
@@ -1223,6 +1235,7 @@ TRACE_EVENT(drv_remain_on_channel,
LOCAL_ENTRY
VIF_ENTRY
__field(int, center_freq)
+ __field(int, freq_offset)
__field(unsigned int, duration)
__field(u32, type)
),
@@ -1231,14 +1244,16 @@ TRACE_EVENT(drv_remain_on_channel,
LOCAL_ASSIGN;
VIF_ASSIGN;
__entry->center_freq = chan->center_freq;
+ __entry->freq_offset = chan->freq_offset;
__entry->duration = duration;
__entry->type = type;
),
TP_printk(
- LOCAL_PR_FMT VIF_PR_FMT " freq:%dMHz duration:%dms type=%d",
+ LOCAL_PR_FMT VIF_PR_FMT " freq:%d.%03dMHz duration:%dms type=%d",
LOCAL_PR_ARG, VIF_PR_ARG,
- __entry->center_freq, __entry->duration, __entry->type
+ __entry->center_freq, __entry->freq_offset,
+ __entry->duration, __entry->type
)
);
@@ -1546,8 +1561,10 @@ struct trace_vif_entry {
struct trace_chandef_entry {
u32 control_freq;
+ u32 freq_offset;
u32 chan_width;
u32 center_freq1;
+ u32 freq1_offset;
u32 center_freq2;
} __packed;
@@ -1597,18 +1614,26 @@ TRACE_EVENT(drv_switch_vif_chanctx,
sizeof(local_vifs[i].vif.vif_name));
SWITCH_ENTRY_ASSIGN(old_chandef.control_freq,
old_ctx->def.chan->center_freq);
+ SWITCH_ENTRY_ASSIGN(old_chandef.freq_offset,
+ old_ctx->def.chan->freq_offset);
SWITCH_ENTRY_ASSIGN(old_chandef.chan_width,
old_ctx->def.width);
SWITCH_ENTRY_ASSIGN(old_chandef.center_freq1,
old_ctx->def.center_freq1);
+ SWITCH_ENTRY_ASSIGN(old_chandef.freq1_offset,
+ old_ctx->def.freq1_offset);
SWITCH_ENTRY_ASSIGN(old_chandef.center_freq2,
old_ctx->def.center_freq2);
SWITCH_ENTRY_ASSIGN(new_chandef.control_freq,
new_ctx->def.chan->center_freq);
+ SWITCH_ENTRY_ASSIGN(new_chandef.freq_offset,
+ new_ctx->def.chan->freq_offset);
SWITCH_ENTRY_ASSIGN(new_chandef.chan_width,
new_ctx->def.width);
SWITCH_ENTRY_ASSIGN(new_chandef.center_freq1,
new_ctx->def.center_freq1);
+ SWITCH_ENTRY_ASSIGN(new_chandef.freq1_offset,
+ new_ctx->def.freq1_offset);
SWITCH_ENTRY_ASSIGN(new_chandef.center_freq2,
new_ctx->def.center_freq2);
}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 82846aca86d9..e9ce658141f5 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2144,7 +2144,7 @@ static bool ieee80211_parse_tx_radiotap(struct ieee80211_local *local,
/*
* Please update the file
- * Documentation/networking/mac80211-injection.txt
+ * Documentation/networking/mac80211-injection.rst
* when parsing new fields here.
*/
@@ -2436,13 +2436,19 @@ int ieee80211_lookup_ra_sta(struct ieee80211_sub_if_data *sdata,
return 0;
}
-static int ieee80211_store_ack_skb(struct ieee80211_local *local,
+static u16 ieee80211_store_ack_skb(struct ieee80211_local *local,
struct sk_buff *skb,
- u32 *info_flags)
+ u32 *info_flags,
+ u64 *cookie)
{
- struct sk_buff *ack_skb = skb_clone_sk(skb);
+ struct sk_buff *ack_skb;
u16 info_id = 0;
+ if (skb->sk)
+ ack_skb = skb_clone_sk(skb);
+ else
+ ack_skb = skb_clone(skb, GFP_ATOMIC);
+
if (ack_skb) {
unsigned long flags;
int id;
@@ -2455,6 +2461,10 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
if (id >= 0) {
info_id = id;
*info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+ if (cookie) {
+ *cookie = ieee80211_mgmt_tx_cookie(local);
+ IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
+ }
} else {
kfree_skb(ack_skb);
}
@@ -2484,7 +2494,8 @@ static int ieee80211_store_ack_skb(struct ieee80211_local *local,
*/
static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb, u32 info_flags,
- struct sta_info *sta, u32 ctrl_flags)
+ struct sta_info *sta, u32 ctrl_flags,
+ u64 *cookie)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_tx_info *info;
@@ -2755,9 +2766,11 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
goto free;
}
- if (unlikely(!multicast && skb->sk &&
- skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
- info_id = ieee80211_store_ack_skb(local, skb, &info_flags);
+ if (unlikely(!multicast && ((skb->sk &&
+ skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS) ||
+ ctrl_flags & IEEE80211_TX_CTL_REQ_TX_STATUS)))
+ info_id = ieee80211_store_ack_skb(local, skb, &info_flags,
+ cookie);
/*
* If the skb is shared we need to obtain our own copy.
@@ -3913,7 +3926,8 @@ EXPORT_SYMBOL(ieee80211_txq_schedule_start);
void __ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev,
u32 info_flags,
- u32 ctrl_flags)
+ u32 ctrl_flags,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
@@ -3983,7 +3997,7 @@ void __ieee80211_subif_start_xmit(struct sk_buff *skb,
skb_mark_not_on_list(skb);
skb = ieee80211_build_hdr(sdata, skb, info_flags,
- sta, ctrl_flags);
+ sta, ctrl_flags, cookie);
if (IS_ERR(skb)) {
kfree_skb_list(next);
goto out;
@@ -4125,9 +4139,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
__skb_queue_head_init(&queue);
ieee80211_convert_to_unicast(skb, dev, &queue);
while ((skb = __skb_dequeue(&queue)))
- __ieee80211_subif_start_xmit(skb, dev, 0, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
} else {
- __ieee80211_subif_start_xmit(skb, dev, 0, 0);
+ __ieee80211_subif_start_xmit(skb, dev, 0, 0, NULL);
}
return NETDEV_TX_OK;
@@ -4215,7 +4229,7 @@ static void ieee80211_8023_xmit(struct ieee80211_sub_if_data *sdata,
if (unlikely(!multicast && skb->sk &&
skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS))
- ieee80211_store_ack_skb(local, skb, &info->flags);
+ ieee80211_store_ack_skb(local, skb, &info->flags, NULL);
memset(info, 0, sizeof(*info));
@@ -4299,7 +4313,7 @@ ieee80211_build_data_template(struct ieee80211_sub_if_data *sdata,
goto out;
}
- skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0);
+ skb = ieee80211_build_hdr(sdata, skb, info_flags, sta, 0, NULL);
if (IS_ERR(skb))
goto out;
@@ -4883,7 +4897,10 @@ __ieee80211_beacon_get(struct ieee80211_hw *hw,
txrc.bss_conf = &sdata->vif.bss_conf;
txrc.skb = skb;
txrc.reported_rate.idx = -1;
- txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
+ if (sdata->beacon_rate_set && sdata->beacon_rateidx_mask[band])
+ txrc.rate_idx_mask = sdata->beacon_rateidx_mask[band];
+ else
+ txrc.rate_idx_mask = sdata->rc_rateidx_mask[band];
txrc.bss = true;
rate_control_get_rate(sdata, NULL, &txrc);
@@ -5006,7 +5023,7 @@ struct sk_buff *ieee80211_pspoll_get(struct ieee80211_hw *hw,
pspoll = skb_put_zero(skb, sizeof(*pspoll));
pspoll->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
IEEE80211_STYPE_PSPOLL);
- pspoll->aid = cpu_to_le16(ifmgd->aid);
+ pspoll->aid = cpu_to_le16(sdata->vif.bss_conf.aid);
/* aid in PS-Poll has its two MSBs each set to 1 */
pspoll->aid |= cpu_to_le16(1 << 15 | 1 << 14);
@@ -5336,14 +5353,15 @@ void __ieee80211_tx_skb_tid_band(struct ieee80211_sub_if_data *sdata,
int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
const u8 *buf, size_t len,
- const u8 *dest, __be16 proto, bool unencrypted)
+ const u8 *dest, __be16 proto, bool unencrypted,
+ u64 *cookie)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ethhdr *ehdr;
u32 ctrl_flags = 0;
- u32 flags;
+ u32 flags = 0;
/* Only accept CONTROL_PORT_PROTOCOL configured in CONNECT/ASSOCIATE
* or Pre-Authentication
@@ -5356,9 +5374,13 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
ctrl_flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO;
if (unencrypted)
- flags = IEEE80211_TX_INTFL_DONT_ENCRYPT;
- else
- flags = 0;
+ flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ if (cookie)
+ ctrl_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
+
+ flags |= IEEE80211_TX_INTFL_NL80211_FRAME_TX |
+ IEEE80211_TX_CTL_INJECTED;
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(struct ethhdr) + len);
@@ -5379,10 +5401,15 @@ int ieee80211_tx_control_port(struct wiphy *wiphy, struct net_device *dev,
skb_reset_network_header(skb);
skb_reset_mac_header(skb);
+ /* mutex lock is only needed for incrementing the cookie counter */
+ mutex_lock(&local->mtx);
+
local_bh_disable();
- __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags);
+ __ieee80211_subif_start_xmit(skb, skb->dev, flags, ctrl_flags, cookie);
local_bh_enable();
+ mutex_unlock(&local->mtx);
+
return 0;
}
@@ -5409,7 +5436,8 @@ int ieee80211_probe_mesh_link(struct wiphy *wiphy, struct net_device *dev,
local_bh_disable();
__ieee80211_subif_start_xmit(skb, skb->dev, 0,
- IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP);
+ IEEE80211_TX_CTRL_SKIP_MPATH_LOOKUP,
+ NULL);
local_bh_enable();
return 0;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 20436c86b9bf..21c94094a699 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -936,6 +936,10 @@ static void ieee80211_parse_extension_element(u32 *crc,
len >= ieee80211_he_spr_size(data))
elems->he_spr = data;
break;
+ case WLAN_EID_EXT_HE_6GHZ_CAPA:
+ if (len == sizeof(*elems->he_6ghz_capa))
+ elems->he_6ghz_capa = data;
+ break;
}
}
@@ -1659,7 +1663,20 @@ void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
}
}
-static int ieee80211_build_preq_ies_band(struct ieee80211_local *local,
+static u8 *ieee80211_write_he_6ghz_cap(u8 *pos, __le16 cap, u8 *end)
+{
+ if ((end - pos) < 5)
+ return pos;
+
+ *pos++ = WLAN_EID_EXTENSION;
+ *pos++ = 1 + sizeof(cap);
+ *pos++ = WLAN_EID_EXT_HE_6GHZ_CAPA;
+ memcpy(pos, &cap, sizeof(cap));
+
+ return pos + 2;
+}
+
+static int ieee80211_build_preq_ies_band(struct ieee80211_sub_if_data *sdata,
u8 *buffer, size_t buffer_len,
const u8 *ie, size_t ie_len,
enum nl80211_band band,
@@ -1667,6 +1684,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local,
struct cfg80211_chan_def *chandef,
size_t *offset, u32 flags)
{
+ struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
const struct ieee80211_sta_he_cap *he_cap;
u8 *pos = buffer, *end = buffer + buffer_len;
@@ -1844,6 +1862,14 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local,
pos = ieee80211_ie_build_he_cap(pos, he_cap, end);
if (!pos)
goto out_err;
+
+ if (sband->band == NL80211_BAND_6GHZ) {
+ enum nl80211_iftype iftype =
+ ieee80211_vif_type_p2p(&sdata->vif);
+ __le16 cap = ieee80211_get_he_6ghz_capa(sband, iftype);
+
+ pos = ieee80211_write_he_6ghz_cap(pos, cap, end);
+ }
}
/*
@@ -1858,7 +1884,7 @@ static int ieee80211_build_preq_ies_band(struct ieee80211_local *local,
return pos - buffer;
}
-int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
+int ieee80211_build_preq_ies(struct ieee80211_sub_if_data *sdata, u8 *buffer,
size_t buffer_len,
struct ieee80211_scan_ies *ie_desc,
const u8 *ie, size_t ie_len,
@@ -1873,7 +1899,7 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer,
for (i = 0; i < NUM_NL80211_BANDS; i++) {
if (bands_used & BIT(i)) {
- pos += ieee80211_build_preq_ies_band(local,
+ pos += ieee80211_build_preq_ies_band(sdata,
buffer + pos,
buffer_len - pos,
ie, ie_len, i,
@@ -1935,7 +1961,7 @@ struct sk_buff *ieee80211_build_probe_req(struct ieee80211_sub_if_data *sdata,
return NULL;
rate_masks[chan->band] = ratemask;
- ies_len = ieee80211_build_preq_ies(local, skb_tail_pointer(skb),
+ ies_len = ieee80211_build_preq_ies(sdata, skb_tail_pointer(skb),
skb_tailroom(skb), &dummy_ie_desc,
ie, ie_len, BIT(chan->band),
rate_masks, &chandef, flags);
@@ -2835,6 +2861,50 @@ end:
return pos;
}
+void ieee80211_ie_build_he_6ghz_cap(struct ieee80211_sub_if_data *sdata,
+ struct sk_buff *skb)
+{
+ struct ieee80211_supported_band *sband;
+ const struct ieee80211_sband_iftype_data *iftd;
+ enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif);
+ u8 *pos;
+ u16 cap;
+
+ sband = ieee80211_get_sband(sdata);
+ if (!sband)
+ return;
+
+ iftd = ieee80211_get_sband_iftype_data(sband, iftype);
+ if (WARN_ON(!iftd))
+ return;
+
+ cap = le16_to_cpu(iftd->he_6ghz_capa.capa);
+ cap &= ~IEEE80211_HE_6GHZ_CAP_SM_PS;
+
+ switch (sdata->smps_mode) {
+ case IEEE80211_SMPS_AUTOMATIC:
+ case IEEE80211_SMPS_NUM_MODES:
+ WARN_ON(1);
+ /* fall through */
+ case IEEE80211_SMPS_OFF:
+ cap |= u16_encode_bits(WLAN_HT_CAP_SM_PS_DISABLED,
+ IEEE80211_HE_6GHZ_CAP_SM_PS);
+ break;
+ case IEEE80211_SMPS_STATIC:
+ cap |= u16_encode_bits(WLAN_HT_CAP_SM_PS_STATIC,
+ IEEE80211_HE_6GHZ_CAP_SM_PS);
+ break;
+ case IEEE80211_SMPS_DYNAMIC:
+ cap |= u16_encode_bits(WLAN_HT_CAP_SM_PS_DYNAMIC,
+ IEEE80211_HE_6GHZ_CAP_SM_PS);
+ break;
+ }
+
+ pos = skb_put(skb, 2 + 1 + sizeof(cap));
+ ieee80211_write_he_6ghz_cap(pos, cpu_to_le16(cap),
+ pos + 2 + 1 + sizeof(cap));
+}
+
u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap,
const struct cfg80211_chan_def *chandef,
u16 prot_mode, bool rifs_mode)
@@ -2958,13 +3028,18 @@ u8 *ieee80211_ie_build_vht_oper(u8 *pos, struct ieee80211_sta_vht_cap *vht_cap,
return pos + sizeof(struct ieee80211_vht_operation);
}
-u8 *ieee80211_ie_build_he_oper(u8 *pos)
+u8 *ieee80211_ie_build_he_oper(u8 *pos, struct cfg80211_chan_def *chandef)
{
struct ieee80211_he_operation *he_oper;
+ struct ieee80211_he_6ghz_oper *he_6ghz_op;
u32 he_oper_params;
+ u8 ie_len = 1 + sizeof(struct ieee80211_he_operation);
+
+ if (chandef->chan->band == NL80211_BAND_6GHZ)
+ ie_len += sizeof(struct ieee80211_he_6ghz_oper);
*pos++ = WLAN_EID_EXTENSION;
- *pos++ = 1 + sizeof(struct ieee80211_he_operation);
+ *pos++ = ie_len;
*pos++ = WLAN_EID_EXT_HE_OPERATION;
he_oper_params = 0;
@@ -2974,16 +3049,68 @@ u8 *ieee80211_ie_build_he_oper(u8 *pos)
IEEE80211_HE_OPERATION_ER_SU_DISABLE);
he_oper_params |= u32_encode_bits(1,
IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED);
+ if (chandef->chan->band == NL80211_BAND_6GHZ)
+ he_oper_params |= u32_encode_bits(1,
+ IEEE80211_HE_OPERATION_6GHZ_OP_INFO);
he_oper = (struct ieee80211_he_operation *)pos;
he_oper->he_oper_params = cpu_to_le32(he_oper_params);
/* don't require special HE peer rates */
he_oper->he_mcs_nss_set = cpu_to_le16(0xffff);
+ pos += sizeof(struct ieee80211_he_operation);
- /* TODO add VHT operational and 6GHz operational subelement? */
+ if (chandef->chan->band != NL80211_BAND_6GHZ)
+ goto out;
- return pos + sizeof(struct ieee80211_vht_operation);
+ /* TODO add VHT operational */
+ he_6ghz_op = (struct ieee80211_he_6ghz_oper *)pos;
+ he_6ghz_op->minrate = 6; /* 6 Mbps */
+ he_6ghz_op->primary =
+ ieee80211_frequency_to_channel(chandef->chan->center_freq);
+ he_6ghz_op->ccfs0 =
+ ieee80211_frequency_to_channel(chandef->center_freq1);
+ if (chandef->center_freq2)
+ he_6ghz_op->ccfs1 =
+ ieee80211_frequency_to_channel(chandef->center_freq2);
+ else
+ he_6ghz_op->ccfs1 = 0;
+
+ switch (chandef->width) {
+ case NL80211_CHAN_WIDTH_160:
+ /* Convert 160 MHz channel width to new style as interop
+ * workaround.
+ */
+ he_6ghz_op->control =
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ;
+ he_6ghz_op->ccfs1 = he_6ghz_op->ccfs0;
+ if (chandef->chan->center_freq < chandef->center_freq1)
+ he_6ghz_op->ccfs0 -= 8;
+ else
+ he_6ghz_op->ccfs0 += 8;
+ fallthrough;
+ case NL80211_CHAN_WIDTH_80P80:
+ he_6ghz_op->control =
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_80:
+ he_6ghz_op->control =
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ;
+ break;
+ case NL80211_CHAN_WIDTH_40:
+ he_6ghz_op->control =
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ;
+ break;
+ default:
+ he_6ghz_op->control =
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ;
+ break;
+ }
+
+ pos += sizeof(struct ieee80211_he_6ghz_oper);
+
+out:
+ return pos;
}
bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
@@ -3013,7 +3140,7 @@ bool ieee80211_chandef_ht_oper(const struct ieee80211_ht_operation *ht_oper,
return true;
}
-bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
+bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw, u32 vht_cap_info,
const struct ieee80211_vht_operation *oper,
const struct ieee80211_ht_operation *htop,
struct cfg80211_chan_def *chandef)
@@ -3025,6 +3152,10 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
u32 vht_cap;
bool support_80_80 = false;
bool support_160 = false;
+ u8 ext_nss_bw_supp = u32_get_bits(vht_cap_info,
+ IEEE80211_VHT_CAP_EXT_NSS_BW_MASK);
+ u8 supp_chwidth = u32_get_bits(vht_cap_info,
+ IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK);
if (!oper || !htop)
return false;
@@ -3044,11 +3175,48 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
IEEE80211_HT_OP_MODE_CCFS2_MASK)
>> IEEE80211_HT_OP_MODE_CCFS2_SHIFT;
- /* when parsing (and we know how to) CCFS1 and CCFS2 are equivalent */
ccf0 = ccfs0;
- ccf1 = ccfs1;
- if (!ccfs1 && ieee80211_hw_check(hw, SUPPORTS_VHT_EXT_NSS_BW))
+
+ /* if not supported, parse as though we didn't understand it */
+ if (!ieee80211_hw_check(hw, SUPPORTS_VHT_EXT_NSS_BW))
+ ext_nss_bw_supp = 0;
+
+ /*
+ * Cf. IEEE 802.11 Table 9-250
+ *
+ * We really just consider that because it's inefficient to connect
+ * at a higher bandwidth than we'll actually be able to use.
+ */
+ switch ((supp_chwidth << 4) | ext_nss_bw_supp) {
+ default:
+ case 0x00:
+ ccf1 = 0;
+ support_160 = false;
+ support_80_80 = false;
+ break;
+ case 0x01:
+ support_80_80 = false;
+ /* fall through */
+ case 0x02:
+ case 0x03:
ccf1 = ccfs2;
+ break;
+ case 0x10:
+ ccf1 = ccfs1;
+ break;
+ case 0x11:
+ case 0x12:
+ if (!ccfs1)
+ ccf1 = ccfs2;
+ else
+ ccf1 = ccfs1;
+ break;
+ case 0x13:
+ case 0x20:
+ case 0x23:
+ ccf1 = ccfs1;
+ break;
+ }
cf0 = ieee80211_channel_to_frequency(ccf0, chandef->chan->band);
cf1 = ieee80211_channel_to_frequency(ccf1, chandef->chan->band);
@@ -3096,6 +3264,112 @@ bool ieee80211_chandef_vht_oper(struct ieee80211_hw *hw,
return true;
}
+bool ieee80211_chandef_he_6ghz_oper(struct ieee80211_sub_if_data *sdata,
+ const struct ieee80211_he_operation *he_oper,
+ struct cfg80211_chan_def *chandef)
+{
+ struct ieee80211_local *local = sdata->local;
+ struct ieee80211_supported_band *sband;
+ enum nl80211_iftype iftype = ieee80211_vif_type_p2p(&sdata->vif);
+ const struct ieee80211_sta_he_cap *he_cap;
+ struct cfg80211_chan_def he_chandef = *chandef;
+ const struct ieee80211_he_6ghz_oper *he_6ghz_oper;
+ bool support_80_80, support_160;
+ u8 he_phy_cap;
+ u32 freq;
+
+ if (chandef->chan->band != NL80211_BAND_6GHZ)
+ return true;
+
+ sband = local->hw.wiphy->bands[NL80211_BAND_6GHZ];
+
+ he_cap = ieee80211_get_he_iftype_cap(sband, iftype);
+ if (!he_cap) {
+ sdata_info(sdata, "Missing iftype sband data/HE cap");
+ return false;
+ }
+
+ he_phy_cap = he_cap->he_cap_elem.phy_cap_info[0];
+ support_160 =
+ he_phy_cap &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G;
+ support_80_80 =
+ he_phy_cap &
+ IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G;
+
+ if (!he_oper) {
+ sdata_info(sdata,
+ "HE is not advertised on (on %d MHz), expect issues\n",
+ chandef->chan->center_freq);
+ return false;
+ }
+
+ he_6ghz_oper = ieee80211_he_6ghz_oper(he_oper);
+
+ if (!he_6ghz_oper) {
+ sdata_info(sdata,
+ "HE 6GHz operation missing (on %d MHz), expect issues\n",
+ chandef->chan->center_freq);
+ return false;
+ }
+
+ freq = ieee80211_channel_to_frequency(he_6ghz_oper->primary,
+ NL80211_BAND_6GHZ);
+ he_chandef.chan = ieee80211_get_channel(sdata->local->hw.wiphy, freq);
+
+ switch (u8_get_bits(he_6ghz_oper->control,
+ IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH)) {
+ case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ:
+ he_chandef.width = NL80211_CHAN_WIDTH_20;
+ break;
+ case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ:
+ he_chandef.width = NL80211_CHAN_WIDTH_40;
+ break;
+ case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ:
+ he_chandef.width = NL80211_CHAN_WIDTH_80;
+ break;
+ case IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ:
+ he_chandef.width = NL80211_CHAN_WIDTH_80;
+ if (!he_6ghz_oper->ccfs1)
+ break;
+ if (abs(he_6ghz_oper->ccfs1 - he_6ghz_oper->ccfs0) == 8) {
+ if (support_160)
+ he_chandef.width = NL80211_CHAN_WIDTH_160;
+ } else {
+ if (support_80_80)
+ he_chandef.width = NL80211_CHAN_WIDTH_80P80;
+ }
+ break;
+ }
+
+ if (he_chandef.width == NL80211_CHAN_WIDTH_160) {
+ he_chandef.center_freq1 =
+ ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
+ NL80211_BAND_6GHZ);
+ } else {
+ he_chandef.center_freq1 =
+ ieee80211_channel_to_frequency(he_6ghz_oper->ccfs0,
+ NL80211_BAND_6GHZ);
+ he_chandef.center_freq2 =
+ ieee80211_channel_to_frequency(he_6ghz_oper->ccfs1,
+ NL80211_BAND_6GHZ);
+ }
+
+ if (!cfg80211_chandef_valid(&he_chandef)) {
+ sdata_info(sdata,
+ "HE 6GHz operation resulted in invalid chandef: %d MHz/%d/%d MHz/%d MHz\n",
+ he_chandef.chan ? he_chandef.chan->center_freq : 0,
+ he_chandef.width,
+ he_chandef.center_freq1,
+ he_chandef.center_freq2);
+ return false;
+ }
+
+ *chandef = he_chandef;
+
+ return true;
+}
+
int ieee80211_parse_bitrates(struct cfg80211_chan_def *chandef,
const struct ieee80211_supported_band *sband,
const u8 *srates, int srates_len, u32 *rates)
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 632f07401850..9c6045f9c24d 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -4,7 +4,7 @@
*
* Portions of this file
* Copyright(c) 2015 - 2016 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2019 Intel Corporation
+ * Copyright (C) 2018 - 2020 Intel Corporation
*/
#include <linux/ieee80211.h>
@@ -575,15 +575,21 @@ u32 __ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data *sdata,
switch (opmode & IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK) {
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ:
+ /* ignore IEEE80211_OPMODE_NOTIF_BW_160_80P80 must not be set */
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_20;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ:
+ /* ignore IEEE80211_OPMODE_NOTIF_BW_160_80P80 must not be set */
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_40;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ:
- sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
+ if (opmode & IEEE80211_OPMODE_NOTIF_BW_160_80P80)
+ sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
+ else
+ sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_80;
break;
case IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ:
+ /* legacy only, no longer used by newer spec */
sta->cur_max_bandwidth = IEEE80211_STA_RX_BW_160;
break;
}
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 4701edffb1f7..fd30ea61336e 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1362,8 +1362,7 @@ done:
(&((struct mpls_dev *)0)->field)
static int mpls_conf_proc(struct ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int oval = *(int *)ctl->data;
int ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
@@ -1594,7 +1593,8 @@ static int mpls_dev_notify(struct notifier_block *this, unsigned long event,
dev->type == ARPHRD_IPGRE ||
dev->type == ARPHRD_IP6GRE ||
dev->type == ARPHRD_SIT ||
- dev->type == ARPHRD_TUNNEL) {
+ dev->type == ARPHRD_TUNNEL ||
+ dev->type == ARPHRD_TUNNEL6) {
mdev = mpls_add_dev(dev);
if (IS_ERR(mdev))
return notifier_from_errno(PTR_ERR(mdev));
@@ -2594,7 +2594,7 @@ nolabels:
}
static int mpls_platform_labels(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = table->data;
int platform_labels = net->mpls.platform_labels;
diff --git a/net/mpls/internal.h b/net/mpls/internal.h
index 0e9aa94adc07..838cdfc10e47 100644
--- a/net/mpls/internal.h
+++ b/net/mpls/internal.h
@@ -172,17 +172,6 @@ struct mpls_route { /* next hop label forwarding entry */
#define endfor_nexthops(rt) }
-static inline struct mpls_shim_hdr mpls_entry_encode(u32 label, unsigned ttl, unsigned tc, bool bos)
-{
- struct mpls_shim_hdr result;
- result.label_stack_entry =
- cpu_to_be32((label << MPLS_LS_LABEL_SHIFT) |
- (tc << MPLS_LS_TC_SHIFT) |
- (bos ? (1 << MPLS_LS_S_SHIFT) : 0) |
- (ttl << MPLS_LS_TTL_SHIFT));
- return result;
-}
-
static inline struct mpls_entry_decoded mpls_entry_decode(struct mpls_shim_hdr *hdr)
{
struct mpls_entry_decoded result;
diff --git a/net/mptcp/crypto.c b/net/mptcp/crypto.c
index c151628bd416..3d980713a9e2 100644
--- a/net/mptcp/crypto.c
+++ b/net/mptcp/crypto.c
@@ -47,8 +47,6 @@ void mptcp_crypto_key_sha(u64 key, u32 *token, u64 *idsn)
void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
{
u8 input[SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE];
- __be32 mptcp_hashed_key[SHA256_DIGEST_WORDS];
- __be32 *hash_out = (__force __be32 *)hmac;
struct sha256_state state;
u8 key1be[8];
u8 key2be[8];
@@ -61,7 +59,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
put_unaligned_be64(key2, key2be);
/* Generate key xored with ipad */
- memset(input, 0x36, SHA_MESSAGE_BYTES);
+ memset(input, 0x36, SHA256_BLOCK_SIZE);
for (i = 0; i < 8; i++)
input[i] ^= key1be[i];
for (i = 0; i < 8; i++)
@@ -78,7 +76,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
sha256_final(&state, &input[SHA256_BLOCK_SIZE]);
/* Prepare second part of hmac */
- memset(input, 0x5C, SHA_MESSAGE_BYTES);
+ memset(input, 0x5C, SHA256_BLOCK_SIZE);
for (i = 0; i < 8; i++)
input[i] ^= key1be[i];
for (i = 0; i < 8; i++)
@@ -86,11 +84,7 @@ void mptcp_crypto_hmac_sha(u64 key1, u64 key2, u8 *msg, int len, void *hmac)
sha256_init(&state);
sha256_update(&state, input, SHA256_BLOCK_SIZE + SHA256_DIGEST_SIZE);
- sha256_final(&state, (u8 *)mptcp_hashed_key);
-
- /* takes only first 160 bits */
- for (i = 0; i < 5; i++)
- hash_out[i] = mptcp_hashed_key[i];
+ sha256_final(&state, (u8 *)hmac);
}
#ifdef CONFIG_MPTCP_HMAC_TEST
@@ -101,29 +95,29 @@ struct test_cast {
};
/* we can't reuse RFC 4231 test vectors, as we have constraint on the
- * input and key size, and we truncate the output.
+ * input and key size.
*/
static struct test_cast tests[] = {
{
.key = "0b0b0b0b0b0b0b0b",
.msg = "48692054",
- .result = "8385e24fb4235ac37556b6b886db106284a1da67",
+ .result = "8385e24fb4235ac37556b6b886db106284a1da671699f46db1f235ec622dcafa",
},
{
.key = "aaaaaaaaaaaaaaaa",
.msg = "dddddddd",
- .result = "2c5e219164ff1dca1c4a92318d847bb6b9d44492",
+ .result = "2c5e219164ff1dca1c4a92318d847bb6b9d44492984e1eb71aff9022f71046e9",
},
{
.key = "0102030405060708",
.msg = "cdcdcdcd",
- .result = "e73b9ba9969969cefb04aa0d6df18ec2fcc075b6",
+ .result = "e73b9ba9969969cefb04aa0d6df18ec2fcc075b6f23b4d8c4da736a5dbbc6e7d",
},
};
static int __init test_mptcp_crypto(void)
{
- char hmac[20], hmac_hex[41];
+ char hmac[32], hmac_hex[65];
u32 nonce1, nonce2;
u64 key1, key2;
u8 msg[8];
@@ -140,11 +134,11 @@ static int __init test_mptcp_crypto(void)
put_unaligned_be32(nonce2, &msg[4]);
mptcp_crypto_hmac_sha(key1, key2, msg, 8, hmac);
- for (j = 0; j < 20; ++j)
+ for (j = 0; j < 32; ++j)
sprintf(&hmac_hex[j << 1], "%02x", hmac[j] & 0xff);
- hmac_hex[40] = 0;
+ hmac_hex[64] = 0;
- if (memcmp(hmac_hex, tests[i].result, 40))
+ if (memcmp(hmac_hex, tests[i].result, 64))
pr_err("test %d failed, got %s expected %s", i,
hmac_hex, tests[i].result);
else
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index faf57585b892..01f1f4cf4902 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -7,6 +7,7 @@
#define pr_fmt(fmt) "MPTCP: " fmt
#include <linux/kernel.h>
+#include <crypto/sha.h>
#include <net/tcp.h>
#include <net/mptcp.h>
#include "protocol.h"
@@ -16,10 +17,10 @@ static bool mptcp_cap_flag_sha256(u8 flags)
return (flags & MPTCP_CAP_FLAG_MASK) == MPTCP_CAP_HMAC_SHA256;
}
-void mptcp_parse_option(const struct sk_buff *skb, const unsigned char *ptr,
- int opsize, struct tcp_options_received *opt_rx)
+static void mptcp_parse_option(const struct sk_buff *skb,
+ const unsigned char *ptr, int opsize,
+ struct mptcp_options_received *mp_opt)
{
- struct mptcp_options_received *mp_opt = &opt_rx->mptcp;
u8 subtype = *ptr >> 4;
int expected_opsize;
u8 version;
@@ -283,12 +284,20 @@ void mptcp_parse_option(const struct sk_buff *skb, const unsigned char *ptr,
}
void mptcp_get_options(const struct sk_buff *skb,
- struct tcp_options_received *opt_rx)
+ struct mptcp_options_received *mp_opt)
{
- const unsigned char *ptr;
const struct tcphdr *th = tcp_hdr(skb);
- int length = (th->doff * 4) - sizeof(struct tcphdr);
+ const unsigned char *ptr;
+ int length;
+
+ /* initialize option status */
+ mp_opt->mp_capable = 0;
+ mp_opt->mp_join = 0;
+ mp_opt->add_addr = 0;
+ mp_opt->rm_addr = 0;
+ mp_opt->dss = 0;
+ length = (th->doff * 4) - sizeof(struct tcphdr);
ptr = (const unsigned char *)(th + 1);
while (length > 0) {
@@ -308,7 +317,7 @@ void mptcp_get_options(const struct sk_buff *skb,
if (opsize > length)
return; /* don't parse partial options */
if (opcode == TCPOPT_MPTCP)
- mptcp_parse_option(skb, ptr, opsize, opt_rx);
+ mptcp_parse_option(skb, ptr, opsize, mp_opt);
ptr += opsize - 2;
length -= opsize;
}
@@ -344,28 +353,6 @@ bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb,
return false;
}
-void mptcp_rcv_synsent(struct sock *sk)
-{
- struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
- struct tcp_sock *tp = tcp_sk(sk);
-
- if (subflow->request_mptcp && tp->rx_opt.mptcp.mp_capable) {
- subflow->mp_capable = 1;
- subflow->can_ack = 1;
- subflow->remote_key = tp->rx_opt.mptcp.sndr_key;
- pr_debug("subflow=%p, remote_key=%llu", subflow,
- subflow->remote_key);
- } else if (subflow->request_join && tp->rx_opt.mptcp.mp_join) {
- subflow->mp_join = 1;
- subflow->thmac = tp->rx_opt.mptcp.thmac;
- subflow->remote_nonce = tp->rx_opt.mptcp.nonce;
- pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u", subflow,
- subflow->thmac, subflow->remote_nonce);
- } else if (subflow->request_mptcp) {
- tcp_sk(sk)->is_mptcp = 0;
- }
-}
-
/* MP_JOIN client subflow must wait for 4th ack before sending any data:
* TCP can't schedule delack timer before the subflow is fully established.
* MPTCP uses the delack timer to do 3rd ack retransmissions
@@ -530,7 +517,16 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb,
return ret;
}
- ack_size = TCPOLEN_MPTCP_DSS_ACK64;
+ if (subflow->use_64bit_ack) {
+ ack_size = TCPOLEN_MPTCP_DSS_ACK64;
+ opts->ext_copy.data_ack = msk->ack_seq;
+ opts->ext_copy.ack64 = 1;
+ } else {
+ ack_size = TCPOLEN_MPTCP_DSS_ACK32;
+ opts->ext_copy.data_ack32 = (uint32_t)(msk->ack_seq);
+ opts->ext_copy.ack64 = 0;
+ }
+ opts->ext_copy.use_ack = 1;
/* Add kind/length/subtype/flag overhead if mapping is not populated */
if (dss_size == 0)
@@ -538,10 +534,6 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb,
dss_size += ack_size;
- opts->ext_copy.data_ack = msk->ack_seq;
- opts->ext_copy.ack64 = 1;
- opts->ext_copy.use_ack = 1;
-
*size = ALIGN(dss_size, 4);
return true;
}
@@ -549,7 +541,7 @@ static bool mptcp_established_options_dss(struct sock *sk, struct sk_buff *skb,
static u64 add_addr_generate_hmac(u64 key1, u64 key2, u8 addr_id,
struct in_addr *addr)
{
- u8 hmac[MPTCP_ADDR_HMAC_LEN];
+ u8 hmac[SHA256_DIGEST_SIZE];
u8 msg[7];
msg[0] = addr_id;
@@ -559,14 +551,14 @@ static u64 add_addr_generate_hmac(u64 key1, u64 key2, u8 addr_id,
mptcp_crypto_hmac_sha(key1, key2, msg, 7, hmac);
- return get_unaligned_be64(hmac);
+ return get_unaligned_be64(&hmac[SHA256_DIGEST_SIZE - sizeof(u64)]);
}
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
static u64 add_addr6_generate_hmac(u64 key1, u64 key2, u8 addr_id,
struct in6_addr *addr)
{
- u8 hmac[MPTCP_ADDR_HMAC_LEN];
+ u8 hmac[SHA256_DIGEST_SIZE];
u8 msg[19];
msg[0] = addr_id;
@@ -576,7 +568,7 @@ static u64 add_addr6_generate_hmac(u64 key1, u64 key2, u8 addr_id,
mptcp_crypto_hmac_sha(key1, key2, msg, 19, hmac);
- return get_unaligned_be64(hmac);
+ return get_unaligned_be64(&hmac[SHA256_DIGEST_SIZE - sizeof(u64)]);
}
#endif
@@ -709,7 +701,7 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *sk,
if (TCP_SKB_CB(skb)->seq != subflow->ssn_offset + 1)
return subflow->mp_capable;
- if (mp_opt->use_ack) {
+ if (mp_opt->dss && mp_opt->use_ack) {
/* subflows are fully established as soon as we get any
* additional ack.
*/
@@ -717,8 +709,6 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *sk,
goto fully_established;
}
- WARN_ON_ONCE(subflow->can_ack);
-
/* If the first established packet does not contain MP_CAPABLE + data
* then fallback to TCP
*/
@@ -728,6 +718,8 @@ static bool check_fully_established(struct mptcp_sock *msk, struct sock *sk,
return false;
}
+ if (unlikely(!READ_ONCE(msk->pm.server_side)))
+ pr_warn_once("bogus mpc option on established client sk");
subflow->fully_established = 1;
subflow->remote_key = mp_opt->sndr_key;
subflow->can_ack = 1;
@@ -819,41 +811,41 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
struct mptcp_sock *msk = mptcp_sk(subflow->conn);
- struct mptcp_options_received *mp_opt;
+ struct mptcp_options_received mp_opt;
struct mptcp_ext *mpext;
- mp_opt = &opt_rx->mptcp;
- if (!check_fully_established(msk, sk, subflow, skb, mp_opt))
+ mptcp_get_options(skb, &mp_opt);
+ if (!check_fully_established(msk, sk, subflow, skb, &mp_opt))
return;
- if (mp_opt->add_addr && add_addr_hmac_valid(msk, mp_opt)) {
+ if (mp_opt.add_addr && add_addr_hmac_valid(msk, &mp_opt)) {
struct mptcp_addr_info addr;
- addr.port = htons(mp_opt->port);
- addr.id = mp_opt->addr_id;
- if (mp_opt->family == MPTCP_ADDR_IPVERSION_4) {
+ addr.port = htons(mp_opt.port);
+ addr.id = mp_opt.addr_id;
+ if (mp_opt.family == MPTCP_ADDR_IPVERSION_4) {
addr.family = AF_INET;
- addr.addr = mp_opt->addr;
+ addr.addr = mp_opt.addr;
}
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
- else if (mp_opt->family == MPTCP_ADDR_IPVERSION_6) {
+ else if (mp_opt.family == MPTCP_ADDR_IPVERSION_6) {
addr.family = AF_INET6;
- addr.addr6 = mp_opt->addr6;
+ addr.addr6 = mp_opt.addr6;
}
#endif
- if (!mp_opt->echo)
+ if (!mp_opt.echo)
mptcp_pm_add_addr_received(msk, &addr);
- mp_opt->add_addr = 0;
+ mp_opt.add_addr = 0;
}
- if (!mp_opt->dss)
+ if (!mp_opt.dss)
return;
/* we can't wait for recvmsg() to update the ack_seq, otherwise
* monodirectional flows will stuck
*/
- if (mp_opt->use_ack)
- update_una(msk, mp_opt);
+ if (mp_opt.use_ack)
+ update_una(msk, &mp_opt);
mpext = skb_ext_add(skb, SKB_EXT_MPTCP);
if (!mpext)
@@ -861,8 +853,8 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
memset(mpext, 0, sizeof(*mpext));
- if (mp_opt->use_map) {
- if (mp_opt->mpc_map) {
+ if (mp_opt.use_map) {
+ if (mp_opt.mpc_map) {
/* this is an MP_CAPABLE carrying MPTCP data
* we know this map the first chunk of data
*/
@@ -872,16 +864,16 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
mpext->subflow_seq = 1;
mpext->dsn64 = 1;
mpext->mpc_map = 1;
+ mpext->data_fin = 0;
} else {
- mpext->data_seq = mp_opt->data_seq;
- mpext->subflow_seq = mp_opt->subflow_seq;
- mpext->dsn64 = mp_opt->dsn64;
+ mpext->data_seq = mp_opt.data_seq;
+ mpext->subflow_seq = mp_opt.subflow_seq;
+ mpext->dsn64 = mp_opt.dsn64;
+ mpext->data_fin = mp_opt.data_fin;
}
- mpext->data_len = mp_opt->data_len;
+ mpext->data_len = mp_opt.data_len;
mpext->use_map = 1;
}
-
- mpext->data_fin = mp_opt->data_fin;
}
void mptcp_write_options(__be32 *ptr, struct mptcp_out_options *opts)
@@ -1000,8 +992,13 @@ mp_capable_done:
u8 flags = 0;
if (mpext->use_ack) {
- len += TCPOLEN_MPTCP_DSS_ACK64;
- flags = MPTCP_DSS_HAS_ACK | MPTCP_DSS_ACK64;
+ flags = MPTCP_DSS_HAS_ACK;
+ if (mpext->ack64) {
+ len += TCPOLEN_MPTCP_DSS_ACK64;
+ flags |= MPTCP_DSS_ACK64;
+ } else {
+ len += TCPOLEN_MPTCP_DSS_ACK32;
+ }
}
if (mpext->use_map) {
@@ -1018,8 +1015,13 @@ mp_capable_done:
*ptr++ = mptcp_option(MPTCPOPT_DSS, len, 0, flags);
if (mpext->use_ack) {
- put_unaligned_be64(mpext->data_ack, ptr);
- ptr += 2;
+ if (mpext->ack64) {
+ put_unaligned_be64(mpext->data_ack, ptr);
+ ptr += 2;
+ } else {
+ put_unaligned_be32(mpext->data_ack32, ptr);
+ ptr += 1;
+ }
}
if (mpext->use_map) {
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 86d61ab34c7c..b78edf237ba0 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -599,12 +599,14 @@ static int mptcp_nl_fill_addr(struct sk_buff *skb,
nla_put_s32(skb, MPTCP_PM_ADDR_ATTR_IF_IDX, entry->ifindex))
goto nla_put_failure;
- if (addr->family == AF_INET)
- nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
- addr->addr.s_addr);
+ if (addr->family == AF_INET &&
+ nla_put_in_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR4,
+ addr->addr.s_addr))
+ goto nla_put_failure;
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
- else if (addr->family == AF_INET6)
- nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6);
+ else if (addr->family == AF_INET6 &&
+ nla_put_in6_addr(skb, MPTCP_PM_ADDR_ATTR_ADDR6, &addr->addr6))
+ goto nla_put_failure;
#endif
nla_nest_end(skb, attr);
return 0;
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 9936e33ac351..14b253d10ccf 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -144,12 +144,29 @@ static void __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk,
unsigned int offset, size_t copy_len)
{
struct sock *sk = (struct sock *)msk;
+ struct sk_buff *tail;
__skb_unlink(skb, &ssk->sk_receive_queue);
- skb_set_owner_r(skb, sk);
- __skb_queue_tail(&sk->sk_receive_queue, skb);
+ skb_ext_reset(skb);
+ skb_orphan(skb);
msk->ack_seq += copy_len;
+
+ tail = skb_peek_tail(&sk->sk_receive_queue);
+ if (offset == 0 && tail) {
+ bool fragstolen;
+ int delta;
+
+ if (skb_try_coalesce(tail, skb, &fragstolen, &delta)) {
+ kfree_skb_partial(skb, fragstolen);
+ atomic_add(delta, &sk->sk_rmem_alloc);
+ sk_mem_charge(sk, delta);
+ return;
+ }
+ }
+
+ skb_set_owner_r(skb, sk);
+ __skb_queue_tail(&sk->sk_receive_queue, skb);
MPTCP_SKB_CB(skb)->offset = offset;
}
@@ -367,8 +384,10 @@ static void mptcp_stop_timer(struct sock *sk)
static bool mptcp_ext_cache_refill(struct mptcp_sock *msk)
{
+ const struct sock *sk = (const struct sock *)msk;
+
if (!msk->cached_ext)
- msk->cached_ext = __skb_ext_alloc();
+ msk->cached_ext = __skb_ext_alloc(sk->sk_allocation);
return !!msk->cached_ext;
}
@@ -510,20 +529,6 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
* fooled into a warning if we don't init here
*/
pfrag = sk_page_frag(sk);
- while ((!retransmission && !mptcp_page_frag_refill(ssk, pfrag)) ||
- !mptcp_ext_cache_refill(msk)) {
- ret = sk_stream_wait_memory(ssk, timeo);
- if (ret)
- return ret;
-
- /* if sk_stream_wait_memory() sleeps snd_una can change
- * significantly, refresh the rtx queue
- */
- mptcp_clean_una(sk);
-
- if (unlikely(__mptcp_needs_tcp_fallback(msk)))
- return 0;
- }
if (!retransmission) {
write_seq = &msk->write_seq;
page = pfrag->page;
@@ -590,7 +595,7 @@ static int mptcp_sendmsg_frag(struct sock *sk, struct sock *ssk,
* access the skb after the sendpages call
*/
ret = do_tcp_sendpages(ssk, page, offset, psize,
- msg->msg_flags | MSG_SENDPAGE_NOTLAST);
+ msg->msg_flags | MSG_SENDPAGE_NOTLAST | MSG_DONTWAIT);
if (ret <= 0)
return ret;
@@ -653,6 +658,15 @@ out:
return ret;
}
+static void mptcp_nospace(struct mptcp_sock *msk, struct socket *sock)
+{
+ clear_bit(MPTCP_SEND_SPACE, &msk->flags);
+ smp_mb__after_atomic(); /* msk->flags is changed by write_space cb */
+
+ /* enables sk->write_space() callbacks */
+ set_bit(SOCK_NOSPACE, &sock->flags);
+}
+
static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow;
@@ -660,19 +674,17 @@ static struct sock *mptcp_subflow_get_send(struct mptcp_sock *msk)
sock_owned_by_me((const struct sock *)msk);
+ if (!mptcp_ext_cache_refill(msk))
+ return NULL;
+
mptcp_for_each_subflow(msk, subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
if (!sk_stream_memory_free(ssk)) {
struct socket *sock = ssk->sk_socket;
- if (sock) {
- clear_bit(MPTCP_SEND_SPACE, &msk->flags);
- smp_mb__after_atomic();
-
- /* enables sk->write_space() callbacks */
- set_bit(SOCK_NOSPACE, &sock->flags);
- }
+ if (sock)
+ mptcp_nospace(msk, sock);
return NULL;
}
@@ -698,22 +710,19 @@ static void ssk_check_wmem(struct mptcp_sock *msk, struct sock *ssk)
return;
sock = READ_ONCE(ssk->sk_socket);
-
- if (sock) {
- clear_bit(MPTCP_SEND_SPACE, &msk->flags);
- smp_mb__after_atomic();
- /* set NOSPACE only after clearing SEND_SPACE flag */
- set_bit(SOCK_NOSPACE, &sock->flags);
- }
+ if (sock)
+ mptcp_nospace(msk, sock);
}
static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{
int mss_now = 0, size_goal = 0, ret = 0;
struct mptcp_sock *msk = mptcp_sk(sk);
+ struct page_frag *pfrag;
struct socket *ssock;
size_t copied = 0;
struct sock *ssk;
+ bool tx_ok;
long timeo;
if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
@@ -738,11 +747,29 @@ fallback:
return ret >= 0 ? ret + copied : (copied ? copied : ret);
}
+ pfrag = sk_page_frag(sk);
+restart:
mptcp_clean_una(sk);
+wait_for_sndbuf:
__mptcp_flush_join_list(msk);
ssk = mptcp_subflow_get_send(msk);
- while (!sk_stream_memory_free(sk) || !ssk) {
+ while (!sk_stream_memory_free(sk) ||
+ !ssk ||
+ !mptcp_page_frag_refill(ssk, pfrag)) {
+ if (ssk) {
+ /* make sure retransmit timer is
+ * running before we wait for memory.
+ *
+ * The retransmit timer might be needed
+ * to make the peer send an up-to-date
+ * MPTCP Ack.
+ */
+ mptcp_set_timeout(sk, ssk);
+ if (!mptcp_timer_pending(sk))
+ mptcp_reset_timer(sk);
+ }
+
ret = sk_stream_wait_memory(sk, &timeo);
if (ret)
goto out;
@@ -759,11 +786,18 @@ fallback:
pr_debug("conn_list->subflow=%p", ssk);
lock_sock(ssk);
- while (msg_data_left(msg)) {
+ tx_ok = msg_data_left(msg);
+ while (tx_ok) {
ret = mptcp_sendmsg_frag(sk, ssk, msg, NULL, &timeo, &mss_now,
&size_goal);
- if (ret < 0)
+ if (ret < 0) {
+ if (ret == -EAGAIN && timeo > 0) {
+ mptcp_set_timeout(sk, ssk);
+ release_sock(ssk);
+ goto restart;
+ }
break;
+ }
if (ret == 0 && unlikely(__mptcp_needs_tcp_fallback(msk))) {
/* Can happen for passive sockets:
* 3WHS negotiated MPTCP, but first packet after is
@@ -777,6 +811,50 @@ fallback:
}
copied += ret;
+
+ tx_ok = msg_data_left(msg);
+ if (!tx_ok)
+ break;
+
+ if (!sk_stream_memory_free(ssk) ||
+ !mptcp_page_frag_refill(ssk, pfrag) ||
+ !mptcp_ext_cache_refill(msk)) {
+ set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+ tcp_push(ssk, msg->msg_flags, mss_now,
+ tcp_sk(ssk)->nonagle, size_goal);
+ mptcp_set_timeout(sk, ssk);
+ release_sock(ssk);
+ goto restart;
+ }
+
+ /* memory is charged to mptcp level socket as well, i.e.
+ * if msg is very large, mptcp socket may run out of buffer
+ * space. mptcp_clean_una() will release data that has
+ * been acked at mptcp level in the mean time, so there is
+ * a good chance we can continue sending data right away.
+ *
+ * Normally, when the tcp subflow can accept more data, then
+ * so can the MPTCP socket. However, we need to cope with
+ * peers that might lag behind in their MPTCP-level
+ * acknowledgements, i.e. data might have been acked at
+ * tcp level only. So, we must also check the MPTCP socket
+ * limits before we send more data.
+ */
+ if (unlikely(!sk_stream_memory_free(sk))) {
+ tcp_push(ssk, msg->msg_flags, mss_now,
+ tcp_sk(ssk)->nonagle, size_goal);
+ mptcp_clean_una(sk);
+ if (!sk_stream_memory_free(sk)) {
+ /* can't send more for now, need to wait for
+ * MPTCP-level ACKs from peer.
+ *
+ * Wakeup will happen via mptcp_clean_una().
+ */
+ mptcp_set_timeout(sk, ssk);
+ release_sock(ssk);
+ goto wait_for_sndbuf;
+ }
+ }
}
mptcp_set_timeout(sk, ssk);
@@ -954,7 +1032,8 @@ fallback:
pr_debug("block timeout %ld", timeo);
mptcp_wait_data(sk, &timeo);
- if (unlikely(__mptcp_tcp_fallback(msk)))
+ ssock = __mptcp_tcp_fallback(msk);
+ if (unlikely(ssock))
goto fallback;
}
@@ -1094,7 +1173,7 @@ static void mptcp_worker(struct work_struct *work)
{
struct mptcp_sock *msk = container_of(work, struct mptcp_sock, work);
struct sock *ssk, *sk = &msk->sk.icsk_inet.sk;
- int orig_len, orig_offset, ret, mss_now = 0, size_goal = 0;
+ int orig_len, orig_offset, mss_now = 0, size_goal = 0;
struct mptcp_data_frag *dfrag;
u64 orig_write_seq;
size_t copied = 0;
@@ -1116,6 +1195,9 @@ static void mptcp_worker(struct work_struct *work)
if (!dfrag)
goto unlock;
+ if (!mptcp_ext_cache_refill(msk))
+ goto reset_unlock;
+
ssk = mptcp_subflow_get_retrans(msk);
if (!ssk)
goto reset_unlock;
@@ -1127,8 +1209,8 @@ static void mptcp_worker(struct work_struct *work)
orig_offset = dfrag->offset;
orig_write_seq = dfrag->data_seq;
while (dfrag->data_len > 0) {
- ret = mptcp_sendmsg_frag(sk, ssk, &msg, dfrag, &timeo, &mss_now,
- &size_goal);
+ int ret = mptcp_sendmsg_frag(sk, ssk, &msg, dfrag, &timeo,
+ &mss_now, &size_goal);
if (ret < 0)
break;
@@ -1136,6 +1218,9 @@ static void mptcp_worker(struct work_struct *work)
copied += ret;
dfrag->data_len -= ret;
dfrag->offset += ret;
+
+ if (!mptcp_ext_cache_refill(msk))
+ break;
}
if (copied)
tcp_push(ssk, msg.msg_flags, mss_now, tcp_sk(ssk)->nonagle,
@@ -1262,11 +1347,14 @@ static void mptcp_close(struct sock *sk, long timeout)
lock_sock(sk);
- mptcp_token_destroy(msk->token);
inet_sk_state_store(sk, TCP_CLOSE);
- __mptcp_flush_join_list(msk);
-
+ /* be sure to always acquire the join list lock, to sync vs
+ * mptcp_finish_join().
+ */
+ spin_lock_bh(&msk->join_list_lock);
+ list_splice_tail_init(&msk->join_list, &msk->conn_list);
+ spin_unlock_bh(&msk->join_list_lock);
list_splice_init(&msk->conn_list, &conn_list);
data_fin_tx_seq = msk->write_seq;
@@ -1316,11 +1404,12 @@ static void mptcp_copy_inaddrs(struct sock *msk, const struct sock *ssk)
static int mptcp_disconnect(struct sock *sk, int flags)
{
- lock_sock(sk);
- __mptcp_clear_xmit(sk);
- release_sock(sk);
- mptcp_cancel_work(sk);
- return tcp_disconnect(sk, flags);
+ /* Should never be called.
+ * inet_stream_connect() calls ->disconnect, but that
+ * refers to the subflow socket, not the mptcp one.
+ */
+ WARN_ON_ONCE(1);
+ return 0;
}
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
@@ -1332,7 +1421,9 @@ static struct ipv6_pinfo *mptcp_inet6_sk(const struct sock *sk)
}
#endif
-struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req)
+struct sock *mptcp_sk_clone(const struct sock *sk,
+ const struct mptcp_options_received *mp_opt,
+ struct request_sock *req)
{
struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
struct sock *nsk = sk_clone_lock(sk, GFP_ATOMIC);
@@ -1355,26 +1446,30 @@ struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req)
msk->subflow = NULL;
if (unlikely(mptcp_token_new_accept(subflow_req->token, nsk))) {
+ nsk->sk_state = TCP_CLOSE;
bh_unlock_sock(nsk);
/* we can't call into mptcp_close() here - possible BH context
- * free the sock directly
+ * free the sock directly.
+ * sk_clone_lock() sets nsk refcnt to two, hence call sk_free()
+ * too.
*/
- nsk->sk_prot->destroy(nsk);
+ sk_common_release(nsk);
sk_free(nsk);
return NULL;
}
msk->write_seq = subflow_req->idsn + 1;
atomic64_set(&msk->snd_una, msk->write_seq);
- if (subflow_req->remote_key_valid) {
+ if (mp_opt->mp_capable) {
msk->can_ack = true;
- msk->remote_key = subflow_req->remote_key;
+ msk->remote_key = mp_opt->sndr_key;
mptcp_crypto_key_sha(msk->remote_key, NULL, &ack_seq);
ack_seq++;
msk->ack_seq = ack_seq;
}
+ sock_reset_flag(nsk, SOCK_RCU_FREE);
/* will be fully established after successful MPC subflow creation */
inet_sk_state_store(nsk, TCP_SYN_RECV);
bh_unlock_sock(nsk);
@@ -1431,6 +1526,7 @@ static struct sock *mptcp_accept(struct sock *sk, int flags, int *err,
newsk = new_mptcp_sock;
mptcp_copy_inaddrs(newsk, ssk);
list_add(&subflow->node, &msk->conn_list);
+ inet_sk_state_store(newsk, TCP_ESTABLISHED);
bh_unlock_sock(new_mptcp_sock);
@@ -1448,6 +1544,7 @@ static void mptcp_destroy(struct sock *sk)
{
struct mptcp_sock *msk = mptcp_sk(sk);
+ mptcp_token_destroy(msk->token);
if (msk->cached_ext)
__skb_ext_put(msk->cached_ext);
@@ -1614,27 +1711,30 @@ bool mptcp_finish_join(struct sock *sk)
if (!msk->pm.server_side)
return true;
- /* passive connection, attach to msk socket */
+ if (!mptcp_pm_allow_new_subflow(msk))
+ return false;
+
+ /* active connections are already on conn_list, and we can't acquire
+ * msk lock here.
+ * use the join list lock as synchronization point and double-check
+ * msk status to avoid racing with mptcp_close()
+ */
+ spin_lock_bh(&msk->join_list_lock);
+ ret = inet_sk_state_load(parent) == TCP_ESTABLISHED;
+ if (ret && !WARN_ON_ONCE(!list_empty(&subflow->node)))
+ list_add_tail(&subflow->node, &msk->join_list);
+ spin_unlock_bh(&msk->join_list_lock);
+ if (!ret)
+ return false;
+
+ /* attach to msk socket only after we are sure he will deal with us
+ * at close time
+ */
parent_sock = READ_ONCE(parent->sk_socket);
if (parent_sock && !sk->sk_socket)
mptcp_sock_graft(sk, parent_sock);
-
- ret = mptcp_pm_allow_new_subflow(msk);
- if (ret) {
- /* active connections are already on conn_list */
- spin_lock_bh(&msk->join_list_lock);
- if (!WARN_ON_ONCE(!list_empty(&subflow->node)))
- list_add_tail(&subflow->node, &msk->join_list);
- spin_unlock_bh(&msk->join_list_lock);
- }
- return ret;
-}
-
-bool mptcp_sk_is_subflow(const struct sock *sk)
-{
- struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
-
- return subflow->mp_join == 1;
+ subflow->map_seq = msk->ack_seq;
+ return true;
}
static bool mptcp_memory_free(const struct sock *sk, int wake)
@@ -1701,6 +1801,14 @@ static int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr,
int err;
lock_sock(sock->sk);
+ if (sock->state != SS_UNCONNECTED && msk->subflow) {
+ /* pending connection or invalid state, let existing subflow
+ * cope with that
+ */
+ ssock = msk->subflow;
+ goto do_connect;
+ }
+
ssock = __mptcp_socket_create(msk, TCP_SYN_SENT);
if (IS_ERR(ssock)) {
err = PTR_ERR(ssock);
@@ -1715,9 +1823,17 @@ static int mptcp_stream_connect(struct socket *sock, struct sockaddr *uaddr,
mptcp_subflow_ctx(ssock->sk)->request_mptcp = 0;
#endif
+do_connect:
err = ssock->ops->connect(ssock, uaddr, addr_len, flags);
- inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));
- mptcp_copy_inaddrs(sock->sk, ssock->sk);
+ sock->state = ssock->state;
+
+ /* on successful connect, the msk state will be moved to established by
+ * subflow_finish_connect()
+ */
+ if (!err || err == EINPROGRESS)
+ mptcp_copy_inaddrs(sock->sk, ssock->sk);
+ else
+ inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));
unlock:
release_sock(sock->sk);
@@ -1775,6 +1891,8 @@ static int mptcp_listen(struct socket *sock, int backlog)
goto unlock;
}
+ sock_set_flag(sock->sk, SOCK_RCU_FREE);
+
err = ssock->ops->listen(ssock, backlog);
inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));
if (!err)
@@ -1996,6 +2114,7 @@ static const struct proto_ops mptcp_v6_stream_ops = {
.mmap = sock_no_mmap,
.sendpage = inet_sendpage,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 67448002a2d7..809687d3f410 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -81,7 +81,6 @@
/* MPTCP ADD_ADDR flags */
#define MPTCP_ADDR_ECHO BIT(0)
-#define MPTCP_ADDR_HMAC_LEN 20
#define MPTCP_ADDR_IPVERSION_4 4
#define MPTCP_ADDR_IPVERSION_6 6
@@ -91,6 +90,45 @@
#define MPTCP_WORK_RTX 2
#define MPTCP_WORK_EOF 3
+struct mptcp_options_received {
+ u64 sndr_key;
+ u64 rcvr_key;
+ u64 data_ack;
+ u64 data_seq;
+ u32 subflow_seq;
+ u16 data_len;
+ u16 mp_capable : 1,
+ mp_join : 1,
+ dss : 1,
+ add_addr : 1,
+ rm_addr : 1,
+ family : 4,
+ echo : 1,
+ backup : 1;
+ u32 token;
+ u32 nonce;
+ u64 thmac;
+ u8 hmac[20];
+ u8 join_id;
+ u8 use_map:1,
+ dsn64:1,
+ data_fin:1,
+ use_ack:1,
+ ack64:1,
+ mpc_map:1,
+ __unused:2;
+ u8 addr_id;
+ u8 rm_id;
+ union {
+ struct in_addr addr;
+#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+ struct in6_addr addr6;
+#endif
+ };
+ u64 ahmac;
+ u16 port;
+};
+
static inline __be32 mptcp_option(u8 subopt, u8 len, u8 nib, u8 field)
{
return htonl((TCPOPT_MPTCP << 24) | (len << 16) | (subopt << 12) |
@@ -206,12 +244,10 @@ struct mptcp_subflow_request_sock {
struct tcp_request_sock sk;
u16 mp_capable : 1,
mp_join : 1,
- backup : 1,
- remote_key_valid : 1;
+ backup : 1;
u8 local_id;
u8 remote_id;
u64 local_key;
- u64 remote_key;
u64 idsn;
u32 token;
u32 ssn_offset;
@@ -253,6 +289,7 @@ struct mptcp_subflow_context {
data_avail : 1,
rx_eof : 1,
data_fin_tx_enable : 1,
+ use_64bit_ack : 1, /* Set when we received a 64-bit DSN */
can_ack : 1; /* only after processing the remote a key */
u64 data_fin_tx_seq;
u32 remote_nonce;
@@ -332,9 +369,11 @@ void mptcp_proto_init(void);
int mptcp_proto_v6_init(void);
#endif
-struct sock *mptcp_sk_clone(const struct sock *sk, struct request_sock *req);
+struct sock *mptcp_sk_clone(const struct sock *sk,
+ const struct mptcp_options_received *mp_opt,
+ struct request_sock *req);
void mptcp_get_options(const struct sk_buff *skb,
- struct tcp_options_received *opt_rx);
+ struct mptcp_options_received *mp_opt);
void mptcp_finish_connect(struct sock *sk);
void mptcp_data_ready(struct sock *sk, struct sock *ssk);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 50a8bea987c6..493b98a0825c 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <crypto/algapi.h>
+#include <crypto/sha.h>
#include <net/sock.h>
#include <net/inet_common.h>
#include <net/inet_hashtables.h>
@@ -89,7 +90,7 @@ static bool subflow_token_join_request(struct request_sock *req,
const struct sk_buff *skb)
{
struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
- u8 hmac[MPTCPOPT_HMAC_LEN];
+ u8 hmac[SHA256_DIGEST_SIZE];
struct mptcp_sock *msk;
int local_id;
@@ -124,16 +125,14 @@ static void subflow_init_req(struct request_sock *req,
{
struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk_listener);
struct mptcp_subflow_request_sock *subflow_req = mptcp_subflow_rsk(req);
- struct tcp_options_received rx_opt;
+ struct mptcp_options_received mp_opt;
pr_debug("subflow_req=%p, listener=%p", subflow_req, listener);
- memset(&rx_opt.mptcp, 0, sizeof(rx_opt.mptcp));
- mptcp_get_options(skb, &rx_opt);
+ mptcp_get_options(skb, &mp_opt);
subflow_req->mp_capable = 0;
subflow_req->mp_join = 0;
- subflow_req->remote_key_valid = 0;
#ifdef CONFIG_TCP_MD5SIG
/* no MPTCP if MD5SIG is enabled on this socket or we may run out of
@@ -143,16 +142,16 @@ static void subflow_init_req(struct request_sock *req,
return;
#endif
- if (rx_opt.mptcp.mp_capable) {
+ if (mp_opt.mp_capable) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_MPCAPABLEPASSIVE);
- if (rx_opt.mptcp.mp_join)
+ if (mp_opt.mp_join)
return;
- } else if (rx_opt.mptcp.mp_join) {
+ } else if (mp_opt.mp_join) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINSYNRX);
}
- if (rx_opt.mptcp.mp_capable && listener->request_mptcp) {
+ if (mp_opt.mp_capable && listener->request_mptcp) {
int err;
err = mptcp_token_new_request(req);
@@ -160,13 +159,13 @@ static void subflow_init_req(struct request_sock *req,
subflow_req->mp_capable = 1;
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq;
- } else if (rx_opt.mptcp.mp_join && listener->request_mptcp) {
+ } else if (mp_opt.mp_join && listener->request_mptcp) {
subflow_req->ssn_offset = TCP_SKB_CB(skb)->seq;
subflow_req->mp_join = 1;
- subflow_req->backup = rx_opt.mptcp.backup;
- subflow_req->remote_id = rx_opt.mptcp.join_id;
- subflow_req->token = rx_opt.mptcp.token;
- subflow_req->remote_nonce = rx_opt.mptcp.nonce;
+ subflow_req->backup = mp_opt.backup;
+ subflow_req->remote_id = mp_opt.join_id;
+ subflow_req->token = mp_opt.token;
+ subflow_req->remote_nonce = mp_opt.nonce;
pr_debug("token=%u, remote_nonce=%u", subflow_req->token,
subflow_req->remote_nonce);
if (!subflow_token_join_request(req, skb)) {
@@ -203,7 +202,7 @@ static void subflow_v6_init_req(struct request_sock *req,
/* validate received truncated hmac and create hmac for third ACK */
static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow)
{
- u8 hmac[MPTCPOPT_HMAC_LEN];
+ u8 hmac[SHA256_DIGEST_SIZE];
u64 thmac;
subflow_generate_hmac(subflow->remote_key, subflow->local_key,
@@ -222,29 +221,55 @@ static bool subflow_thmac_valid(struct mptcp_subflow_context *subflow)
static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
+ struct mptcp_options_received mp_opt;
struct sock *parent = subflow->conn;
+ struct tcp_sock *tp = tcp_sk(sk);
subflow->icsk_af_ops->sk_rx_dst_set(sk, skb);
- if (inet_sk_state_load(parent) != TCP_ESTABLISHED) {
+ if (inet_sk_state_load(parent) == TCP_SYN_SENT) {
inet_sk_state_store(parent, TCP_ESTABLISHED);
parent->sk_state_change(parent);
}
- if (subflow->conn_finished || !tcp_sk(sk)->is_mptcp)
+ /* be sure no special action on any packet other than syn-ack */
+ if (subflow->conn_finished)
+ return;
+
+ subflow->conn_finished = 1;
+
+ mptcp_get_options(skb, &mp_opt);
+ if (subflow->request_mptcp && mp_opt.mp_capable) {
+ subflow->mp_capable = 1;
+ subflow->can_ack = 1;
+ subflow->remote_key = mp_opt.sndr_key;
+ pr_debug("subflow=%p, remote_key=%llu", subflow,
+ subflow->remote_key);
+ } else if (subflow->request_join && mp_opt.mp_join) {
+ subflow->mp_join = 1;
+ subflow->thmac = mp_opt.thmac;
+ subflow->remote_nonce = mp_opt.nonce;
+ pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u", subflow,
+ subflow->thmac, subflow->remote_nonce);
+ } else if (subflow->request_mptcp) {
+ tp->is_mptcp = 0;
+ }
+
+ if (!tp->is_mptcp)
return;
if (subflow->mp_capable) {
pr_debug("subflow=%p, remote_key=%llu", mptcp_subflow_ctx(sk),
subflow->remote_key);
mptcp_finish_connect(sk);
- subflow->conn_finished = 1;
if (skb) {
pr_debug("synack seq=%u", TCP_SKB_CB(skb)->seq);
subflow->ssn_offset = TCP_SKB_CB(skb)->seq;
}
} else if (subflow->mp_join) {
+ u8 hmac[SHA256_DIGEST_SIZE];
+
pr_debug("subflow=%p, thmac=%llu, remote_nonce=%u",
subflow, subflow->thmac,
subflow->remote_nonce);
@@ -257,7 +282,9 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
subflow_generate_hmac(subflow->local_key, subflow->remote_key,
subflow->local_nonce,
subflow->remote_nonce,
- subflow->hmac);
+ hmac);
+
+ memcpy(subflow->hmac, hmac, MPTCPOPT_HMAC_LEN);
if (skb)
subflow->ssn_offset = TCP_SKB_CB(skb)->seq;
@@ -265,7 +292,6 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
if (!mptcp_finish_join(sk))
goto do_reset;
- subflow->conn_finished = 1;
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKRX);
} else {
do_reset:
@@ -323,10 +349,10 @@ drop:
/* validate hmac received in third ACK */
static bool subflow_hmac_valid(const struct request_sock *req,
- const struct tcp_options_received *rx_opt)
+ const struct mptcp_options_received *mp_opt)
{
const struct mptcp_subflow_request_sock *subflow_req;
- u8 hmac[MPTCPOPT_HMAC_LEN];
+ u8 hmac[SHA256_DIGEST_SIZE];
struct mptcp_sock *msk;
bool ret;
@@ -340,13 +366,67 @@ static bool subflow_hmac_valid(const struct request_sock *req,
subflow_req->local_nonce, hmac);
ret = true;
- if (crypto_memneq(hmac, rx_opt->mptcp.hmac, sizeof(hmac)))
+ if (crypto_memneq(hmac, mp_opt->hmac, MPTCPOPT_HMAC_LEN))
ret = false;
sock_put((struct sock *)msk);
return ret;
}
+static void mptcp_sock_destruct(struct sock *sk)
+{
+ /* if new mptcp socket isn't accepted, it is free'd
+ * from the tcp listener sockets request queue, linked
+ * from req->sk. The tcp socket is released.
+ * This calls the ULP release function which will
+ * also remove the mptcp socket, via
+ * sock_put(ctx->conn).
+ *
+ * Problem is that the mptcp socket will not be in
+ * SYN_RECV state and doesn't have SOCK_DEAD flag.
+ * Both result in warnings from inet_sock_destruct.
+ */
+
+ if (sk->sk_state == TCP_SYN_RECV) {
+ sk->sk_state = TCP_CLOSE;
+ WARN_ON_ONCE(sk->sk_socket);
+ sock_orphan(sk);
+ }
+
+ inet_sock_destruct(sk);
+}
+
+static void mptcp_force_close(struct sock *sk)
+{
+ inet_sk_state_store(sk, TCP_CLOSE);
+ sk_common_release(sk);
+}
+
+static void subflow_ulp_fallback(struct sock *sk,
+ struct mptcp_subflow_context *old_ctx)
+{
+ struct inet_connection_sock *icsk = inet_csk(sk);
+
+ mptcp_subflow_tcp_fallback(sk, old_ctx);
+ icsk->icsk_ulp_ops = NULL;
+ rcu_assign_pointer(icsk->icsk_ulp_data, NULL);
+ tcp_sk(sk)->is_mptcp = 0;
+}
+
+static void subflow_drop_ctx(struct sock *ssk)
+{
+ struct mptcp_subflow_context *ctx = mptcp_subflow_ctx(ssk);
+
+ if (!ctx)
+ return;
+
+ subflow_ulp_fallback(ssk, ctx);
+ if (ctx->conn)
+ sock_put(ctx->conn);
+
+ kfree_rcu(ctx, rcu);
+}
+
static struct sock *subflow_syn_recv_sock(const struct sock *sk,
struct sk_buff *skb,
struct request_sock *req,
@@ -356,13 +436,18 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
{
struct mptcp_subflow_context *listener = mptcp_subflow_ctx(sk);
struct mptcp_subflow_request_sock *subflow_req;
- struct tcp_options_received opt_rx;
+ struct mptcp_options_received mp_opt;
bool fallback_is_fatal = false;
struct sock *new_msk = NULL;
+ bool fallback = false;
struct sock *child;
pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn);
+ /* we need later a valid 'mp_capable' value even when options are not
+ * parsed
+ */
+ mp_opt.mp_capable = 0;
if (tcp_rsk(req)->is_mptcp == 0)
goto create_child;
@@ -377,26 +462,21 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
goto create_msk;
}
- opt_rx.mptcp.mp_capable = 0;
- mptcp_get_options(skb, &opt_rx);
- if (opt_rx.mptcp.mp_capable) {
- subflow_req->remote_key = opt_rx.mptcp.sndr_key;
- subflow_req->remote_key_valid = 1;
- } else {
- subflow_req->mp_capable = 0;
+ mptcp_get_options(skb, &mp_opt);
+ if (!mp_opt.mp_capable) {
+ fallback = true;
goto create_child;
}
create_msk:
- new_msk = mptcp_sk_clone(listener->conn, req);
+ new_msk = mptcp_sk_clone(listener->conn, &mp_opt, req);
if (!new_msk)
- subflow_req->mp_capable = 0;
+ fallback = true;
} else if (subflow_req->mp_join) {
fallback_is_fatal = true;
- opt_rx.mptcp.mp_join = 0;
- mptcp_get_options(skb, &opt_rx);
- if (!opt_rx.mptcp.mp_join ||
- !subflow_hmac_valid(req, &opt_rx)) {
+ mptcp_get_options(skb, &mp_opt);
+ if (!mp_opt.mp_join ||
+ !subflow_hmac_valid(req, &mp_opt)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
return NULL;
}
@@ -409,12 +489,17 @@ create_child:
if (child && *own_req) {
struct mptcp_subflow_context *ctx = mptcp_subflow_ctx(child);
- /* we have null ctx on TCP fallback, which is fatal on
- * MPJ handshake
+ tcp_rsk(req)->drop_req = false;
+
+ /* we need to fallback on ctx allocation failure and on pre-reqs
+ * checking above. In the latter scenario we additionally need
+ * to reset the context to non MPTCP status.
*/
- if (!ctx) {
+ if (!ctx || fallback) {
if (fallback_is_fatal)
- goto close_child;
+ goto dispose_child;
+
+ subflow_drop_ctx(child);
goto out;
}
@@ -422,36 +507,55 @@ create_child:
/* new mpc subflow takes ownership of the newly
* created mptcp socket
*/
- inet_sk_state_store(new_msk, TCP_ESTABLISHED);
+ new_msk->sk_destruct = mptcp_sock_destruct;
mptcp_pm_new_connection(mptcp_sk(new_msk), 1);
ctx->conn = new_msk;
new_msk = NULL;
+
+ /* with OoO packets we can reach here without ingress
+ * mpc option
+ */
+ ctx->remote_key = mp_opt.sndr_key;
+ ctx->fully_established = mp_opt.mp_capable;
+ ctx->can_ack = mp_opt.mp_capable;
} else if (ctx->mp_join) {
struct mptcp_sock *owner;
owner = mptcp_token_get_sock(ctx->token);
if (!owner)
- goto close_child;
+ goto dispose_child;
ctx->conn = (struct sock *)owner;
if (!mptcp_finish_join(child))
- goto close_child;
+ goto dispose_child;
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKRX);
+ tcp_rsk(req)->drop_req = true;
}
}
out:
/* dispose of the left over mptcp master, if any */
if (unlikely(new_msk))
- sock_put(new_msk);
+ mptcp_force_close(new_msk);
+
+ /* check for expected invariant - should never trigger, just help
+ * catching eariler subtle bugs
+ */
+ WARN_ON_ONCE(child && *own_req && tcp_sk(child)->is_mptcp &&
+ (!mptcp_subflow_ctx(child) ||
+ !mptcp_subflow_ctx(child)->conn));
return child;
-close_child:
+dispose_child:
+ subflow_drop_ctx(child);
+ tcp_rsk(req)->drop_req = true;
tcp_send_active_reset(child, GFP_ATOMIC);
- inet_csk_prepare_forced_close(child);
+ inet_csk_prepare_for_destroy_sock(child);
tcp_done(child);
- return NULL;
+
+ /* The last child reference will be released by the caller */
+ return child;
}
static struct inet_connection_sock_af_ops subflow_specific;
@@ -580,9 +684,11 @@ static enum mapping_status get_mapping_status(struct sock *ssk)
if (!mpext->dsn64) {
map_seq = expand_seq(subflow->map_seq, subflow->map_data_len,
mpext->data_seq);
+ subflow->use_64bit_ack = 0;
pr_debug("expanded seq=%llu", subflow->map_seq);
} else {
map_seq = mpext->data_seq;
+ subflow->use_64bit_ack = 1;
}
if (subflow->map_valid) {
@@ -764,6 +870,24 @@ bool mptcp_subflow_data_available(struct sock *sk)
return subflow->data_avail;
}
+/* If ssk has an mptcp parent socket, use the mptcp rcvbuf occupancy,
+ * not the ssk one.
+ *
+ * In mptcp, rwin is about the mptcp-level connection data.
+ *
+ * Data that is still on the ssk rx queue can thus be ignored,
+ * as far as mptcp peer is concerened that data is still inflight.
+ * DSS ACK is updated when skb is moved to the mptcp rx queue.
+ */
+void mptcp_space(const struct sock *ssk, int *space, int *full_space)
+{
+ const struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk);
+ const struct sock *sk = subflow->conn;
+
+ *space = tcp_space(sk);
+ *full_space = tcp_full_space(sk);
+}
+
static void subflow_data_ready(struct sock *sk)
{
struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
@@ -931,6 +1055,16 @@ int mptcp_subflow_create_socket(struct sock *sk, struct socket **new_sock)
if (err)
return err;
+ /* the newly created socket really belongs to the owning MPTCP master
+ * socket, even if for additional subflows the allocation is performed
+ * by a kernel workqueue. Adjust inode references, so that the
+ * procfs/diag interaces really show this one belonging to the correct
+ * user.
+ */
+ SOCK_INODE(sf)->i_ino = SOCK_INODE(sk->sk_socket)->i_ino;
+ SOCK_INODE(sf)->i_uid = SOCK_INODE(sk->sk_socket)->i_uid;
+ SOCK_INODE(sf)->i_gid = SOCK_INODE(sk->sk_socket)->i_gid;
+
subflow = mptcp_subflow_ctx(sf->sk);
pr_debug("subflow=%p", subflow);
@@ -1047,17 +1181,6 @@ static void subflow_ulp_release(struct sock *sk)
kfree_rcu(ctx, rcu);
}
-static void subflow_ulp_fallback(struct sock *sk,
- struct mptcp_subflow_context *old_ctx)
-{
- struct inet_connection_sock *icsk = inet_csk(sk);
-
- mptcp_subflow_tcp_fallback(sk, old_ctx);
- icsk->icsk_ulp_ops = NULL;
- rcu_assign_pointer(icsk->icsk_ulp_data, NULL);
- tcp_sk(sk)->is_mptcp = 0;
-}
-
static void subflow_ulp_clone(const struct request_sock *req,
struct sock *newsk,
const gfp_t priority)
@@ -1091,9 +1214,6 @@ static void subflow_ulp_clone(const struct request_sock *req,
* is fully established only after we receive the remote key
*/
new_ctx->mp_capable = 1;
- new_ctx->fully_established = subflow_req->remote_key_valid;
- new_ctx->can_ack = subflow_req->remote_key_valid;
- new_ctx->remote_key = subflow_req->remote_key;
new_ctx->local_key = subflow_req->local_key;
new_ctx->token = subflow_req->token;
new_ctx->ssn_offset = subflow_req->ssn_offset;
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 468fea1aebba..3a3915d2e1ea 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -1043,7 +1043,7 @@ config NETFILTER_XT_TARGET_TPROXY
on Netfilter connection tracking and NAT, unlike REDIRECT.
For it to work you will have to configure certain iptables rules
and use policy routing. For more information on how to set it up
- see Documentation/networking/tproxy.txt.
+ see Documentation/networking/tproxy.rst.
To compile it as a module, choose M here. If unsure, say N.
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index cd747c0962fd..5a67f7966574 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -59,7 +59,7 @@ list_set_ktest(struct ip_set *set, const struct sk_buff *skb,
/* Don't lookup sub-counters at all */
opt->cmdflags &= ~IPSET_FLAG_MATCH_COUNTERS;
if (opt->cmdflags & IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE)
- opt->cmdflags &= ~IPSET_FLAG_SKIP_COUNTER_UPDATE;
+ opt->cmdflags |= IPSET_FLAG_SKIP_COUNTER_UPDATE;
list_for_each_entry_rcu(e, &map->members, list) {
ret = ip_set_test(e->id, skb, par, opt);
if (ret <= 0)
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 8d14a1acbc37..412656c34f20 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1736,7 +1736,7 @@ static int three = 3;
static int
proc_do_defense_mode(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct netns_ipvs *ipvs = table->extra2;
int *valp = table->data;
@@ -1763,7 +1763,7 @@ proc_do_defense_mode(struct ctl_table *table, int write,
static int
proc_do_sync_threshold(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = table->data;
int val[2];
@@ -1788,7 +1788,7 @@ proc_do_sync_threshold(struct ctl_table *table, int write,
static int
proc_do_sync_ports(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int *valp = table->data;
int val = *valp;
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index c4582eb71766..79cd9dde457b 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1519,9 +1519,9 @@ __nf_conntrack_alloc(struct net *net,
ct->status = 0;
ct->timeout = 0;
write_pnet(&ct->ct_net, net);
- memset(&ct->__nfct_init_offset[0], 0,
+ memset(&ct->__nfct_init_offset, 0,
offsetof(struct nf_conn, proto) -
- offsetof(struct nf_conn, __nfct_init_offset[0]));
+ offsetof(struct nf_conn, __nfct_init_offset));
nf_ct_zone_add(ct, zone);
@@ -1974,13 +1974,22 @@ const struct nla_policy nf_ct_port_nla_policy[CTA_PROTO_MAX+1] = {
EXPORT_SYMBOL_GPL(nf_ct_port_nla_policy);
int nf_ct_port_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *t)
+ struct nf_conntrack_tuple *t,
+ u_int32_t flags)
{
- if (!tb[CTA_PROTO_SRC_PORT] || !tb[CTA_PROTO_DST_PORT])
- return -EINVAL;
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_SRC_PORT)) {
+ if (!tb[CTA_PROTO_SRC_PORT])
+ return -EINVAL;
+
+ t->src.u.tcp.port = nla_get_be16(tb[CTA_PROTO_SRC_PORT]);
+ }
- t->src.u.tcp.port = nla_get_be16(tb[CTA_PROTO_SRC_PORT]);
- t->dst.u.tcp.port = nla_get_be16(tb[CTA_PROTO_DST_PORT]);
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_DST_PORT)) {
+ if (!tb[CTA_PROTO_DST_PORT])
+ return -EINVAL;
+
+ t->dst.u.tcp.port = nla_get_be16(tb[CTA_PROTO_DST_PORT]);
+ }
return 0;
}
@@ -2016,22 +2025,18 @@ static void nf_conntrack_attach(struct sk_buff *nskb, const struct sk_buff *skb)
nf_conntrack_get(skb_nfct(nskb));
}
-static int nf_conntrack_update(struct net *net, struct sk_buff *skb)
+static int __nf_conntrack_update(struct net *net, struct sk_buff *skb,
+ struct nf_conn *ct,
+ enum ip_conntrack_info ctinfo)
{
struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
- enum ip_conntrack_info ctinfo;
struct nf_nat_hook *nat_hook;
unsigned int status;
- struct nf_conn *ct;
int dataoff;
u16 l3num;
u8 l4num;
- ct = nf_ct_get(skb, &ctinfo);
- if (!ct || nf_ct_is_confirmed(ct))
- return 0;
-
l3num = nf_ct_l3num(ct);
dataoff = get_l4proto(skb, skb_network_offset(skb), l3num, &l4num);
@@ -2088,6 +2093,76 @@ static int nf_conntrack_update(struct net *net, struct sk_buff *skb)
return 0;
}
+/* This packet is coming from userspace via nf_queue, complete the packet
+ * processing after the helper invocation in nf_confirm().
+ */
+static int nf_confirm_cthelper(struct sk_buff *skb, struct nf_conn *ct,
+ enum ip_conntrack_info ctinfo)
+{
+ const struct nf_conntrack_helper *helper;
+ const struct nf_conn_help *help;
+ int protoff;
+
+ help = nfct_help(ct);
+ if (!help)
+ return 0;
+
+ helper = rcu_dereference(help->helper);
+ if (!(helper->flags & NF_CT_HELPER_F_USERSPACE))
+ return 0;
+
+ switch (nf_ct_l3num(ct)) {
+ case NFPROTO_IPV4:
+ protoff = skb_network_offset(skb) + ip_hdrlen(skb);
+ break;
+#if IS_ENABLED(CONFIG_IPV6)
+ case NFPROTO_IPV6: {
+ __be16 frag_off;
+ u8 pnum;
+
+ pnum = ipv6_hdr(skb)->nexthdr;
+ protoff = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &pnum,
+ &frag_off);
+ if (protoff < 0 || (frag_off & htons(~0x7)) != 0)
+ return 0;
+ break;
+ }
+#endif
+ default:
+ return 0;
+ }
+
+ if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status) &&
+ !nf_is_loopback_packet(skb)) {
+ if (!nf_ct_seq_adjust(skb, ct, ctinfo, protoff)) {
+ NF_CT_STAT_INC_ATOMIC(nf_ct_net(ct), drop);
+ return -1;
+ }
+ }
+
+ /* We've seen it coming out the other side: confirm it */
+ return nf_conntrack_confirm(skb) == NF_DROP ? - 1 : 0;
+}
+
+static int nf_conntrack_update(struct net *net, struct sk_buff *skb)
+{
+ enum ip_conntrack_info ctinfo;
+ struct nf_conn *ct;
+ int err;
+
+ ct = nf_ct_get(skb, &ctinfo);
+ if (!ct)
+ return 0;
+
+ if (!nf_ct_is_confirmed(ct)) {
+ err = __nf_conntrack_update(net, skb, ct, ctinfo);
+ if (err < 0)
+ return err;
+ }
+
+ return nf_confirm_cthelper(skb, ct, ctinfo);
+}
+
static bool nf_conntrack_get_tuple_skb(struct nf_conntrack_tuple *dst_tuple,
const struct sk_buff *skb)
{
@@ -2139,8 +2214,19 @@ get_next_corpse(int (*iter)(struct nf_conn *i, void *data),
nf_conntrack_lock(lockp);
if (*bucket < nf_conntrack_htable_size) {
hlist_nulls_for_each_entry(h, n, &nf_conntrack_hash[*bucket], hnnode) {
- if (NF_CT_DIRECTION(h) != IP_CT_DIR_ORIGINAL)
+ if (NF_CT_DIRECTION(h) != IP_CT_DIR_REPLY)
continue;
+ /* All nf_conn objects are added to hash table twice, one
+ * for original direction tuple, once for the reply tuple.
+ *
+ * Exception: In the IPS_NAT_CLASH case, only the reply
+ * tuple is added (the original tuple already existed for
+ * a different object).
+ *
+ * We only need to call the iterator once for each
+ * conntrack, so we just use the 'reply' direction
+ * tuple while iterating.
+ */
ct = nf_ct_tuplehash_to_ctrack(h);
if (iter(ct, data))
goto found;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 9ddfcd002d3b..d7bd8b1f27d5 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -54,6 +54,8 @@
#include <linux/netfilter/nfnetlink.h>
#include <linux/netfilter/nfnetlink_conntrack.h>
+#include "nf_internals.h"
+
MODULE_LICENSE("GPL");
static int ctnetlink_dump_tuples_proto(struct sk_buff *skb,
@@ -544,14 +546,16 @@ static int ctnetlink_dump_info(struct sk_buff *skb, struct nf_conn *ct)
static int
ctnetlink_fill_info(struct sk_buff *skb, u32 portid, u32 seq, u32 type,
- struct nf_conn *ct, bool extinfo)
+ struct nf_conn *ct, bool extinfo, unsigned int flags)
{
const struct nf_conntrack_zone *zone;
struct nlmsghdr *nlh;
struct nfgenmsg *nfmsg;
struct nlattr *nest_parms;
- unsigned int flags = portid ? NLM_F_MULTI : 0, event;
+ unsigned int event;
+ if (portid)
+ flags |= NLM_F_MULTI;
event = nfnl_msg_type(NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_NEW);
nlh = nlmsg_put(skb, portid, seq, event, sizeof(*nfmsg), flags);
if (nlh == NULL)
@@ -847,17 +851,70 @@ static int ctnetlink_done(struct netlink_callback *cb)
}
struct ctnetlink_filter {
+ u_int32_t cta_flags;
u8 family;
+
+ u_int32_t orig_flags;
+ u_int32_t reply_flags;
+
+ struct nf_conntrack_tuple orig;
+ struct nf_conntrack_tuple reply;
+ struct nf_conntrack_zone zone;
+
struct {
u_int32_t val;
u_int32_t mask;
} mark;
};
+static const struct nla_policy cta_filter_nla_policy[CTA_FILTER_MAX + 1] = {
+ [CTA_FILTER_ORIG_FLAGS] = { .type = NLA_U32 },
+ [CTA_FILTER_REPLY_FLAGS] = { .type = NLA_U32 },
+};
+
+static int ctnetlink_parse_filter(const struct nlattr *attr,
+ struct ctnetlink_filter *filter)
+{
+ struct nlattr *tb[CTA_FILTER_MAX + 1];
+ int ret = 0;
+
+ ret = nla_parse_nested(tb, CTA_FILTER_MAX, attr, cta_filter_nla_policy,
+ NULL);
+ if (ret)
+ return ret;
+
+ if (tb[CTA_FILTER_ORIG_FLAGS]) {
+ filter->orig_flags = nla_get_u32(tb[CTA_FILTER_ORIG_FLAGS]);
+ if (filter->orig_flags & ~CTA_FILTER_F_ALL)
+ return -EOPNOTSUPP;
+ }
+
+ if (tb[CTA_FILTER_REPLY_FLAGS]) {
+ filter->reply_flags = nla_get_u32(tb[CTA_FILTER_REPLY_FLAGS]);
+ if (filter->reply_flags & ~CTA_FILTER_F_ALL)
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int ctnetlink_parse_zone(const struct nlattr *attr,
+ struct nf_conntrack_zone *zone);
+static int ctnetlink_parse_tuple_filter(const struct nlattr * const cda[],
+ struct nf_conntrack_tuple *tuple,
+ u32 type, u_int8_t l3num,
+ struct nf_conntrack_zone *zone,
+ u_int32_t flags);
+
+/* applied on filters */
+#define CTA_FILTER_F_CTA_MARK (1 << 0)
+#define CTA_FILTER_F_CTA_MARK_MASK (1 << 1)
+
static struct ctnetlink_filter *
ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family)
{
struct ctnetlink_filter *filter;
+ int err;
#ifndef CONFIG_NF_CONNTRACK_MARK
if (cda[CTA_MARK] || cda[CTA_MARK_MASK])
@@ -871,14 +928,65 @@ ctnetlink_alloc_filter(const struct nlattr * const cda[], u8 family)
filter->family = family;
#ifdef CONFIG_NF_CONNTRACK_MARK
- if (cda[CTA_MARK] && cda[CTA_MARK_MASK]) {
+ if (cda[CTA_MARK]) {
filter->mark.val = ntohl(nla_get_be32(cda[CTA_MARK]));
- filter->mark.mask = ntohl(nla_get_be32(cda[CTA_MARK_MASK]));
+ filter->cta_flags |= CTA_FILTER_FLAG(CTA_MARK);
+
+ if (cda[CTA_MARK_MASK]) {
+ filter->mark.mask = ntohl(nla_get_be32(cda[CTA_MARK_MASK]));
+ filter->cta_flags |= CTA_FILTER_FLAG(CTA_MARK_MASK);
+ } else {
+ filter->mark.mask = 0xffffffff;
+ }
+ } else if (cda[CTA_MARK_MASK]) {
+ return ERR_PTR(-EINVAL);
}
#endif
+ if (!cda[CTA_FILTER])
+ return filter;
+
+ err = ctnetlink_parse_zone(cda[CTA_ZONE], &filter->zone);
+ if (err < 0)
+ return ERR_PTR(err);
+
+ err = ctnetlink_parse_filter(cda[CTA_FILTER], filter);
+ if (err < 0)
+ return ERR_PTR(err);
+
+ if (filter->orig_flags) {
+ if (!cda[CTA_TUPLE_ORIG])
+ return ERR_PTR(-EINVAL);
+
+ err = ctnetlink_parse_tuple_filter(cda, &filter->orig,
+ CTA_TUPLE_ORIG,
+ filter->family,
+ &filter->zone,
+ filter->orig_flags);
+ if (err < 0)
+ return ERR_PTR(err);
+ }
+
+ if (filter->reply_flags) {
+ if (!cda[CTA_TUPLE_REPLY])
+ return ERR_PTR(-EINVAL);
+
+ err = ctnetlink_parse_tuple_filter(cda, &filter->reply,
+ CTA_TUPLE_REPLY,
+ filter->family,
+ &filter->zone,
+ filter->orig_flags);
+ if (err < 0)
+ return ERR_PTR(err);
+ }
+
return filter;
}
+static bool ctnetlink_needs_filter(u8 family, const struct nlattr * const *cda)
+{
+ return family || cda[CTA_MARK] || cda[CTA_FILTER];
+}
+
static int ctnetlink_start(struct netlink_callback *cb)
{
const struct nlattr * const *cda = cb->data;
@@ -886,7 +994,7 @@ static int ctnetlink_start(struct netlink_callback *cb)
struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh);
u8 family = nfmsg->nfgen_family;
- if (family || (cda[CTA_MARK] && cda[CTA_MARK_MASK])) {
+ if (ctnetlink_needs_filter(family, cda)) {
filter = ctnetlink_alloc_filter(cda, family);
if (IS_ERR(filter))
return PTR_ERR(filter);
@@ -896,9 +1004,79 @@ static int ctnetlink_start(struct netlink_callback *cb)
return 0;
}
+static int ctnetlink_filter_match_tuple(struct nf_conntrack_tuple *filter_tuple,
+ struct nf_conntrack_tuple *ct_tuple,
+ u_int32_t flags, int family)
+{
+ switch (family) {
+ case NFPROTO_IPV4:
+ if ((flags & CTA_FILTER_FLAG(CTA_IP_SRC)) &&
+ filter_tuple->src.u3.ip != ct_tuple->src.u3.ip)
+ return 0;
+
+ if ((flags & CTA_FILTER_FLAG(CTA_IP_DST)) &&
+ filter_tuple->dst.u3.ip != ct_tuple->dst.u3.ip)
+ return 0;
+ break;
+ case NFPROTO_IPV6:
+ if ((flags & CTA_FILTER_FLAG(CTA_IP_SRC)) &&
+ !ipv6_addr_cmp(&filter_tuple->src.u3.in6,
+ &ct_tuple->src.u3.in6))
+ return 0;
+
+ if ((flags & CTA_FILTER_FLAG(CTA_IP_DST)) &&
+ !ipv6_addr_cmp(&filter_tuple->dst.u3.in6,
+ &ct_tuple->dst.u3.in6))
+ return 0;
+ break;
+ }
+
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_NUM)) &&
+ filter_tuple->dst.protonum != ct_tuple->dst.protonum)
+ return 0;
+
+ switch (ct_tuple->dst.protonum) {
+ case IPPROTO_TCP:
+ case IPPROTO_UDP:
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_SRC_PORT)) &&
+ filter_tuple->src.u.tcp.port != ct_tuple->src.u.tcp.port)
+ return 0;
+
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_DST_PORT)) &&
+ filter_tuple->dst.u.tcp.port != ct_tuple->dst.u.tcp.port)
+ return 0;
+ break;
+ case IPPROTO_ICMP:
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_TYPE)) &&
+ filter_tuple->dst.u.icmp.type != ct_tuple->dst.u.icmp.type)
+ return 0;
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_CODE)) &&
+ filter_tuple->dst.u.icmp.code != ct_tuple->dst.u.icmp.code)
+ return 0;
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_ID)) &&
+ filter_tuple->src.u.icmp.id != ct_tuple->src.u.icmp.id)
+ return 0;
+ break;
+ case IPPROTO_ICMPV6:
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_TYPE)) &&
+ filter_tuple->dst.u.icmp.type != ct_tuple->dst.u.icmp.type)
+ return 0;
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_CODE)) &&
+ filter_tuple->dst.u.icmp.code != ct_tuple->dst.u.icmp.code)
+ return 0;
+ if ((flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_ID)) &&
+ filter_tuple->src.u.icmp.id != ct_tuple->src.u.icmp.id)
+ return 0;
+ break;
+ }
+
+ return 1;
+}
+
static int ctnetlink_filter_match(struct nf_conn *ct, void *data)
{
struct ctnetlink_filter *filter = data;
+ struct nf_conntrack_tuple *tuple;
if (filter == NULL)
goto out;
@@ -910,8 +1088,28 @@ static int ctnetlink_filter_match(struct nf_conn *ct, void *data)
if (filter->family && nf_ct_l3num(ct) != filter->family)
goto ignore_entry;
+ if (filter->orig_flags) {
+ tuple = nf_ct_tuple(ct, IP_CT_DIR_ORIGINAL);
+ if (!ctnetlink_filter_match_tuple(&filter->orig, tuple,
+ filter->orig_flags,
+ filter->family))
+ goto ignore_entry;
+ }
+
+ if (filter->reply_flags) {
+ tuple = nf_ct_tuple(ct, IP_CT_DIR_REPLY);
+ if (!ctnetlink_filter_match_tuple(&filter->reply, tuple,
+ filter->reply_flags,
+ filter->family))
+ goto ignore_entry;
+ }
+
#ifdef CONFIG_NF_CONNTRACK_MARK
- if ((ct->mark & filter->mark.mask) != filter->mark.val)
+ if ((filter->cta_flags & CTA_FILTER_FLAG(CTA_MARK_MASK)) &&
+ (ct->mark & filter->mark.mask) != filter->mark.val)
+ goto ignore_entry;
+ else if ((filter->cta_flags & CTA_FILTER_FLAG(CTA_MARK)) &&
+ ct->mark != filter->mark.val)
goto ignore_entry;
#endif
@@ -925,6 +1123,7 @@ ignore_entry:
static int
ctnetlink_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
{
+ unsigned int flags = cb->data ? NLM_F_DUMP_FILTERED : 0;
struct net *net = sock_net(skb->sk);
struct nf_conn *ct, *last;
struct nf_conntrack_tuple_hash *h;
@@ -979,7 +1178,7 @@ restart:
ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NFNL_MSG_TYPE(cb->nlh->nlmsg_type),
- ct, true);
+ ct, true, flags);
if (res < 0) {
nf_conntrack_get(&ct->ct_general);
cb->args[1] = (unsigned long)ct;
@@ -1014,31 +1213,50 @@ out:
}
static int ipv4_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *t)
+ struct nf_conntrack_tuple *t,
+ u_int32_t flags)
{
- if (!tb[CTA_IP_V4_SRC] || !tb[CTA_IP_V4_DST])
- return -EINVAL;
+ if (flags & CTA_FILTER_FLAG(CTA_IP_SRC)) {
+ if (!tb[CTA_IP_V4_SRC])
+ return -EINVAL;
+
+ t->src.u3.ip = nla_get_in_addr(tb[CTA_IP_V4_SRC]);
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_IP_DST)) {
+ if (!tb[CTA_IP_V4_DST])
+ return -EINVAL;
- t->src.u3.ip = nla_get_in_addr(tb[CTA_IP_V4_SRC]);
- t->dst.u3.ip = nla_get_in_addr(tb[CTA_IP_V4_DST]);
+ t->dst.u3.ip = nla_get_in_addr(tb[CTA_IP_V4_DST]);
+ }
return 0;
}
static int ipv6_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *t)
+ struct nf_conntrack_tuple *t,
+ u_int32_t flags)
{
- if (!tb[CTA_IP_V6_SRC] || !tb[CTA_IP_V6_DST])
- return -EINVAL;
+ if (flags & CTA_FILTER_FLAG(CTA_IP_SRC)) {
+ if (!tb[CTA_IP_V6_SRC])
+ return -EINVAL;
- t->src.u3.in6 = nla_get_in6_addr(tb[CTA_IP_V6_SRC]);
- t->dst.u3.in6 = nla_get_in6_addr(tb[CTA_IP_V6_DST]);
+ t->src.u3.in6 = nla_get_in6_addr(tb[CTA_IP_V6_SRC]);
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_IP_DST)) {
+ if (!tb[CTA_IP_V6_DST])
+ return -EINVAL;
+
+ t->dst.u3.in6 = nla_get_in6_addr(tb[CTA_IP_V6_DST]);
+ }
return 0;
}
static int ctnetlink_parse_tuple_ip(struct nlattr *attr,
- struct nf_conntrack_tuple *tuple)
+ struct nf_conntrack_tuple *tuple,
+ u_int32_t flags)
{
struct nlattr *tb[CTA_IP_MAX+1];
int ret = 0;
@@ -1054,10 +1272,10 @@ static int ctnetlink_parse_tuple_ip(struct nlattr *attr,
switch (tuple->src.l3num) {
case NFPROTO_IPV4:
- ret = ipv4_nlattr_to_tuple(tb, tuple);
+ ret = ipv4_nlattr_to_tuple(tb, tuple, flags);
break;
case NFPROTO_IPV6:
- ret = ipv6_nlattr_to_tuple(tb, tuple);
+ ret = ipv6_nlattr_to_tuple(tb, tuple, flags);
break;
}
@@ -1069,7 +1287,8 @@ static const struct nla_policy proto_nla_policy[CTA_PROTO_MAX+1] = {
};
static int ctnetlink_parse_tuple_proto(struct nlattr *attr,
- struct nf_conntrack_tuple *tuple)
+ struct nf_conntrack_tuple *tuple,
+ u_int32_t flags)
{
const struct nf_conntrack_l4proto *l4proto;
struct nlattr *tb[CTA_PROTO_MAX+1];
@@ -1080,8 +1299,12 @@ static int ctnetlink_parse_tuple_proto(struct nlattr *attr,
if (ret < 0)
return ret;
+ if (!(flags & CTA_FILTER_FLAG(CTA_PROTO_NUM)))
+ return 0;
+
if (!tb[CTA_PROTO_NUM])
return -EINVAL;
+
tuple->dst.protonum = nla_get_u8(tb[CTA_PROTO_NUM]);
rcu_read_lock();
@@ -1092,7 +1315,7 @@ static int ctnetlink_parse_tuple_proto(struct nlattr *attr,
l4proto->nla_policy,
NULL);
if (ret == 0)
- ret = l4proto->nlattr_to_tuple(tb, tuple);
+ ret = l4proto->nlattr_to_tuple(tb, tuple, flags);
}
rcu_read_unlock();
@@ -1143,10 +1366,21 @@ static const struct nla_policy tuple_nla_policy[CTA_TUPLE_MAX+1] = {
[CTA_TUPLE_ZONE] = { .type = NLA_U16 },
};
+#define CTA_FILTER_F_ALL_CTA_PROTO \
+ (CTA_FILTER_F_CTA_PROTO_SRC_PORT | \
+ CTA_FILTER_F_CTA_PROTO_DST_PORT | \
+ CTA_FILTER_F_CTA_PROTO_ICMP_TYPE | \
+ CTA_FILTER_F_CTA_PROTO_ICMP_CODE | \
+ CTA_FILTER_F_CTA_PROTO_ICMP_ID | \
+ CTA_FILTER_F_CTA_PROTO_ICMPV6_TYPE | \
+ CTA_FILTER_F_CTA_PROTO_ICMPV6_CODE | \
+ CTA_FILTER_F_CTA_PROTO_ICMPV6_ID)
+
static int
-ctnetlink_parse_tuple(const struct nlattr * const cda[],
- struct nf_conntrack_tuple *tuple, u32 type,
- u_int8_t l3num, struct nf_conntrack_zone *zone)
+ctnetlink_parse_tuple_filter(const struct nlattr * const cda[],
+ struct nf_conntrack_tuple *tuple, u32 type,
+ u_int8_t l3num, struct nf_conntrack_zone *zone,
+ u_int32_t flags)
{
struct nlattr *tb[CTA_TUPLE_MAX+1];
int err;
@@ -1158,23 +1392,32 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[],
if (err < 0)
return err;
- if (!tb[CTA_TUPLE_IP])
- return -EINVAL;
tuple->src.l3num = l3num;
- err = ctnetlink_parse_tuple_ip(tb[CTA_TUPLE_IP], tuple);
- if (err < 0)
- return err;
+ if (flags & CTA_FILTER_FLAG(CTA_IP_DST) ||
+ flags & CTA_FILTER_FLAG(CTA_IP_SRC)) {
+ if (!tb[CTA_TUPLE_IP])
+ return -EINVAL;
- if (!tb[CTA_TUPLE_PROTO])
- return -EINVAL;
+ err = ctnetlink_parse_tuple_ip(tb[CTA_TUPLE_IP], tuple, flags);
+ if (err < 0)
+ return err;
+ }
- err = ctnetlink_parse_tuple_proto(tb[CTA_TUPLE_PROTO], tuple);
- if (err < 0)
- return err;
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_NUM)) {
+ if (!tb[CTA_TUPLE_PROTO])
+ return -EINVAL;
- if (tb[CTA_TUPLE_ZONE]) {
+ err = ctnetlink_parse_tuple_proto(tb[CTA_TUPLE_PROTO], tuple, flags);
+ if (err < 0)
+ return err;
+ } else if (flags & CTA_FILTER_FLAG(ALL_CTA_PROTO)) {
+ /* Can't manage proto flags without a protonum */
+ return -EINVAL;
+ }
+
+ if ((flags & CTA_FILTER_FLAG(CTA_TUPLE_ZONE)) && tb[CTA_TUPLE_ZONE]) {
if (!zone)
return -EINVAL;
@@ -1193,6 +1436,15 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[],
return 0;
}
+static int
+ctnetlink_parse_tuple(const struct nlattr * const cda[],
+ struct nf_conntrack_tuple *tuple, u32 type,
+ u_int8_t l3num, struct nf_conntrack_zone *zone)
+{
+ return ctnetlink_parse_tuple_filter(cda, tuple, type, l3num, zone,
+ CTA_FILTER_FLAG(ALL));
+}
+
static const struct nla_policy help_nla_policy[CTA_HELP_MAX+1] = {
[CTA_HELP_NAME] = { .type = NLA_NUL_STRING,
.len = NF_CT_HELPER_NAME_LEN - 1 },
@@ -1240,6 +1492,7 @@ static const struct nla_policy ct_nla_policy[CTA_MAX+1] = {
.len = NF_CT_LABELS_MAX_SIZE },
[CTA_LABELS_MASK] = { .type = NLA_BINARY,
.len = NF_CT_LABELS_MAX_SIZE },
+ [CTA_FILTER] = { .type = NLA_NESTED },
};
static int ctnetlink_flush_iterate(struct nf_conn *ct, void *data)
@@ -1256,7 +1509,10 @@ static int ctnetlink_flush_conntrack(struct net *net,
{
struct ctnetlink_filter *filter = NULL;
- if (family || (cda[CTA_MARK] && cda[CTA_MARK_MASK])) {
+ if (ctnetlink_needs_filter(family, cda)) {
+ if (cda[CTA_FILTER])
+ return -EOPNOTSUPP;
+
filter = ctnetlink_alloc_filter(cda, family);
if (IS_ERR(filter))
return PTR_ERR(filter);
@@ -1385,7 +1641,7 @@ static int ctnetlink_get_conntrack(struct net *net, struct sock *ctnl,
}
err = ctnetlink_fill_info(skb2, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
- NFNL_MSG_TYPE(nlh->nlmsg_type), ct, true);
+ NFNL_MSG_TYPE(nlh->nlmsg_type), ct, true, 0);
nf_ct_put(ct);
if (err <= 0)
goto free;
@@ -1458,7 +1714,7 @@ restart:
res = ctnetlink_fill_info(skb, NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
NFNL_MSG_TYPE(cb->nlh->nlmsg_type),
- ct, dying ? true : false);
+ ct, dying ? true : false, 0);
if (res < 0) {
if (!atomic_inc_not_zero(&ct->ct_general.use))
continue;
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index a971183f11af..1f44d523b512 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -72,24 +72,32 @@ EXPORT_SYMBOL_GPL(nf_nat_pptp_hook_expectfn);
#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
/* PptpControlMessageType names */
-const char *const pptp_msg_name[] = {
- "UNKNOWN_MESSAGE",
- "START_SESSION_REQUEST",
- "START_SESSION_REPLY",
- "STOP_SESSION_REQUEST",
- "STOP_SESSION_REPLY",
- "ECHO_REQUEST",
- "ECHO_REPLY",
- "OUT_CALL_REQUEST",
- "OUT_CALL_REPLY",
- "IN_CALL_REQUEST",
- "IN_CALL_REPLY",
- "IN_CALL_CONNECT",
- "CALL_CLEAR_REQUEST",
- "CALL_DISCONNECT_NOTIFY",
- "WAN_ERROR_NOTIFY",
- "SET_LINK_INFO"
+static const char *const pptp_msg_name_array[PPTP_MSG_MAX + 1] = {
+ [0] = "UNKNOWN_MESSAGE",
+ [PPTP_START_SESSION_REQUEST] = "START_SESSION_REQUEST",
+ [PPTP_START_SESSION_REPLY] = "START_SESSION_REPLY",
+ [PPTP_STOP_SESSION_REQUEST] = "STOP_SESSION_REQUEST",
+ [PPTP_STOP_SESSION_REPLY] = "STOP_SESSION_REPLY",
+ [PPTP_ECHO_REQUEST] = "ECHO_REQUEST",
+ [PPTP_ECHO_REPLY] = "ECHO_REPLY",
+ [PPTP_OUT_CALL_REQUEST] = "OUT_CALL_REQUEST",
+ [PPTP_OUT_CALL_REPLY] = "OUT_CALL_REPLY",
+ [PPTP_IN_CALL_REQUEST] = "IN_CALL_REQUEST",
+ [PPTP_IN_CALL_REPLY] = "IN_CALL_REPLY",
+ [PPTP_IN_CALL_CONNECT] = "IN_CALL_CONNECT",
+ [PPTP_CALL_CLEAR_REQUEST] = "CALL_CLEAR_REQUEST",
+ [PPTP_CALL_DISCONNECT_NOTIFY] = "CALL_DISCONNECT_NOTIFY",
+ [PPTP_WAN_ERROR_NOTIFY] = "WAN_ERROR_NOTIFY",
+ [PPTP_SET_LINK_INFO] = "SET_LINK_INFO"
};
+
+const char *pptp_msg_name(u_int16_t msg)
+{
+ if (msg > PPTP_MSG_MAX)
+ return pptp_msg_name_array[0];
+
+ return pptp_msg_name_array[msg];
+}
EXPORT_SYMBOL(pptp_msg_name);
#endif
@@ -276,7 +284,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
typeof(nf_nat_pptp_hook_inbound) nf_nat_pptp_inbound;
msg = ntohs(ctlh->messageType);
- pr_debug("inbound control message %s\n", pptp_msg_name[msg]);
+ pr_debug("inbound control message %s\n", pptp_msg_name(msg));
switch (msg) {
case PPTP_START_SESSION_REPLY:
@@ -311,7 +319,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
pcid = pptpReq->ocack.peersCallID;
if (info->pns_call_id != pcid)
goto invalid;
- pr_debug("%s, CID=%X, PCID=%X\n", pptp_msg_name[msg],
+ pr_debug("%s, CID=%X, PCID=%X\n", pptp_msg_name(msg),
ntohs(cid), ntohs(pcid));
if (pptpReq->ocack.resultCode == PPTP_OUTCALL_CONNECT) {
@@ -328,7 +336,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
goto invalid;
cid = pptpReq->icreq.callID;
- pr_debug("%s, CID=%X\n", pptp_msg_name[msg], ntohs(cid));
+ pr_debug("%s, CID=%X\n", pptp_msg_name(msg), ntohs(cid));
info->cstate = PPTP_CALL_IN_REQ;
info->pac_call_id = cid;
break;
@@ -347,7 +355,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
if (info->pns_call_id != pcid)
goto invalid;
- pr_debug("%s, PCID=%X\n", pptp_msg_name[msg], ntohs(pcid));
+ pr_debug("%s, PCID=%X\n", pptp_msg_name(msg), ntohs(pcid));
info->cstate = PPTP_CALL_IN_CONF;
/* we expect a GRE connection from PAC to PNS */
@@ -357,7 +365,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
case PPTP_CALL_DISCONNECT_NOTIFY:
/* server confirms disconnect */
cid = pptpReq->disc.callID;
- pr_debug("%s, CID=%X\n", pptp_msg_name[msg], ntohs(cid));
+ pr_debug("%s, CID=%X\n", pptp_msg_name(msg), ntohs(cid));
info->cstate = PPTP_CALL_NONE;
/* untrack this call id, unexpect GRE packets */
@@ -384,7 +392,7 @@ pptp_inbound_pkt(struct sk_buff *skb, unsigned int protoff,
invalid:
pr_debug("invalid %s: type=%d cid=%u pcid=%u "
"cstate=%d sstate=%d pns_cid=%u pac_cid=%u\n",
- msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] : pptp_msg_name[0],
+ pptp_msg_name(msg),
msg, ntohs(cid), ntohs(pcid), info->cstate, info->sstate,
ntohs(info->pns_call_id), ntohs(info->pac_call_id));
return NF_ACCEPT;
@@ -404,7 +412,7 @@ pptp_outbound_pkt(struct sk_buff *skb, unsigned int protoff,
typeof(nf_nat_pptp_hook_outbound) nf_nat_pptp_outbound;
msg = ntohs(ctlh->messageType);
- pr_debug("outbound control message %s\n", pptp_msg_name[msg]);
+ pr_debug("outbound control message %s\n", pptp_msg_name(msg));
switch (msg) {
case PPTP_START_SESSION_REQUEST:
@@ -426,7 +434,7 @@ pptp_outbound_pkt(struct sk_buff *skb, unsigned int protoff,
info->cstate = PPTP_CALL_OUT_REQ;
/* track PNS call id */
cid = pptpReq->ocreq.callID;
- pr_debug("%s, CID=%X\n", pptp_msg_name[msg], ntohs(cid));
+ pr_debug("%s, CID=%X\n", pptp_msg_name(msg), ntohs(cid));
info->pns_call_id = cid;
break;
@@ -440,7 +448,7 @@ pptp_outbound_pkt(struct sk_buff *skb, unsigned int protoff,
pcid = pptpReq->icack.peersCallID;
if (info->pac_call_id != pcid)
goto invalid;
- pr_debug("%s, CID=%X PCID=%X\n", pptp_msg_name[msg],
+ pr_debug("%s, CID=%X PCID=%X\n", pptp_msg_name(msg),
ntohs(cid), ntohs(pcid));
if (pptpReq->icack.resultCode == PPTP_INCALL_ACCEPT) {
@@ -480,7 +488,7 @@ pptp_outbound_pkt(struct sk_buff *skb, unsigned int protoff,
invalid:
pr_debug("invalid %s: type=%d cid=%u pcid=%u "
"cstate=%d sstate=%d pns_cid=%u pac_cid=%u\n",
- msg <= PPTP_MSG_MAX ? pptp_msg_name[msg] : pptp_msg_name[0],
+ pptp_msg_name(msg),
msg, ntohs(cid), ntohs(pcid), info->cstate, info->sstate,
ntohs(info->pns_call_id), ntohs(info->pac_call_id));
return NF_ACCEPT;
diff --git a/net/netfilter/nf_conntrack_proto_icmp.c b/net/netfilter/nf_conntrack_proto_icmp.c
index c2e3dff773bc..4efd8741c105 100644
--- a/net/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/netfilter/nf_conntrack_proto_icmp.c
@@ -20,6 +20,8 @@
#include <net/netfilter/nf_conntrack_zones.h>
#include <net/netfilter/nf_log.h>
+#include "nf_internals.h"
+
static const unsigned int nf_ct_icmp_timeout = 30*HZ;
bool icmp_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
@@ -271,20 +273,32 @@ static const struct nla_policy icmp_nla_policy[CTA_PROTO_MAX+1] = {
};
static int icmp_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *tuple)
+ struct nf_conntrack_tuple *tuple,
+ u_int32_t flags)
{
- if (!tb[CTA_PROTO_ICMP_TYPE] ||
- !tb[CTA_PROTO_ICMP_CODE] ||
- !tb[CTA_PROTO_ICMP_ID])
- return -EINVAL;
-
- tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMP_TYPE]);
- tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMP_CODE]);
- tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMP_ID]);
-
- if (tuple->dst.u.icmp.type >= sizeof(invmap) ||
- !invmap[tuple->dst.u.icmp.type])
- return -EINVAL;
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_TYPE)) {
+ if (!tb[CTA_PROTO_ICMP_TYPE])
+ return -EINVAL;
+
+ tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMP_TYPE]);
+ if (tuple->dst.u.icmp.type >= sizeof(invmap) ||
+ !invmap[tuple->dst.u.icmp.type])
+ return -EINVAL;
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_CODE)) {
+ if (!tb[CTA_PROTO_ICMP_CODE])
+ return -EINVAL;
+
+ tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMP_CODE]);
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMP_ID)) {
+ if (!tb[CTA_PROTO_ICMP_ID])
+ return -EINVAL;
+
+ tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMP_ID]);
+ }
return 0;
}
diff --git a/net/netfilter/nf_conntrack_proto_icmpv6.c b/net/netfilter/nf_conntrack_proto_icmpv6.c
index 6f9144e1f1c1..facd8c64ec4e 100644
--- a/net/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/netfilter/nf_conntrack_proto_icmpv6.c
@@ -24,6 +24,8 @@
#include <net/netfilter/nf_conntrack_zones.h>
#include <net/netfilter/nf_log.h>
+#include "nf_internals.h"
+
static const unsigned int nf_ct_icmpv6_timeout = 30*HZ;
bool icmpv6_pkt_to_tuple(const struct sk_buff *skb,
@@ -193,21 +195,33 @@ static const struct nla_policy icmpv6_nla_policy[CTA_PROTO_MAX+1] = {
};
static int icmpv6_nlattr_to_tuple(struct nlattr *tb[],
- struct nf_conntrack_tuple *tuple)
+ struct nf_conntrack_tuple *tuple,
+ u_int32_t flags)
{
- if (!tb[CTA_PROTO_ICMPV6_TYPE] ||
- !tb[CTA_PROTO_ICMPV6_CODE] ||
- !tb[CTA_PROTO_ICMPV6_ID])
- return -EINVAL;
-
- tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMPV6_TYPE]);
- tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMPV6_CODE]);
- tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMPV6_ID]);
-
- if (tuple->dst.u.icmp.type < 128 ||
- tuple->dst.u.icmp.type - 128 >= sizeof(invmap) ||
- !invmap[tuple->dst.u.icmp.type - 128])
- return -EINVAL;
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_TYPE)) {
+ if (!tb[CTA_PROTO_ICMPV6_TYPE])
+ return -EINVAL;
+
+ tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMPV6_TYPE]);
+ if (tuple->dst.u.icmp.type < 128 ||
+ tuple->dst.u.icmp.type - 128 >= sizeof(invmap) ||
+ !invmap[tuple->dst.u.icmp.type - 128])
+ return -EINVAL;
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_CODE)) {
+ if (!tb[CTA_PROTO_ICMPV6_CODE])
+ return -EINVAL;
+
+ tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMPV6_CODE]);
+ }
+
+ if (flags & CTA_FILTER_FLAG(CTA_PROTO_ICMPV6_ID)) {
+ if (!tb[CTA_PROTO_ICMPV6_ID])
+ return -EINVAL;
+
+ tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMPV6_ID]);
+ }
return 0;
}
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index 9b57330c81f8..6a26299cb064 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -348,7 +348,9 @@ static int ct_seq_show(struct seq_file *s, void *v)
if (seq_print_acct(s, ct, IP_CT_DIR_REPLY))
goto release;
- if (test_bit(IPS_OFFLOAD_BIT, &ct->status))
+ if (test_bit(IPS_HW_OFFLOAD_BIT, &ct->status))
+ seq_puts(s, "[HW_OFFLOAD] ");
+ else if (test_bit(IPS_OFFLOAD_BIT, &ct->status))
seq_puts(s, "[OFFLOAD] ");
else if (test_bit(IPS_ASSURED_BIT, &ct->status))
seq_puts(s, "[ASSURED] ");
@@ -517,7 +519,7 @@ static unsigned int nf_conntrack_htable_size_user __read_mostly;
static int
nf_conntrack_hash_sysctl(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index c0cb79495c35..6a3034f84ab6 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -284,7 +284,7 @@ static void flow_offload_del(struct nf_flowtable *flow_table,
if (nf_flow_has_expired(flow))
flow_offload_fixup_ct(flow->ct);
- else if (test_bit(NF_FLOW_TEARDOWN, &flow->flags))
+ else
flow_offload_fixup_ct_timeout(flow->ct);
flow_offload_free(flow);
@@ -361,8 +361,10 @@ static void nf_flow_offload_gc_step(struct flow_offload *flow, void *data)
{
struct nf_flowtable *flow_table = data;
- if (nf_flow_has_expired(flow) || nf_ct_is_dying(flow->ct) ||
- test_bit(NF_FLOW_TEARDOWN, &flow->flags)) {
+ if (nf_flow_has_expired(flow) || nf_ct_is_dying(flow->ct))
+ set_bit(NF_FLOW_TEARDOWN, &flow->flags);
+
+ if (test_bit(NF_FLOW_TEARDOWN, &flow->flags)) {
if (test_bit(NF_FLOW_HW, &flow->flags)) {
if (!test_bit(NF_FLOW_HW_DYING, &flow->flags))
nf_flow_offload_del(flow_table, flow);
@@ -421,10 +423,12 @@ void nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table,
down_write(&flow_table->flow_block_lock);
block_cb = flow_block_cb_lookup(block, cb, cb_priv);
- if (block_cb)
+ if (block_cb) {
list_del(&block_cb->list);
- else
+ flow_block_cb_free(block_cb);
+ } else {
WARN_ON(true);
+ }
up_write(&flow_table->flow_block_lock);
}
EXPORT_SYMBOL_GPL(nf_flow_table_offload_del_cb);
@@ -584,8 +588,8 @@ static void nf_flow_table_do_cleanup(struct flow_offload *flow, void *data)
flow_offload_teardown(flow);
}
-static void nf_flow_table_iterate_cleanup(struct nf_flowtable *flowtable,
- struct net_device *dev)
+void nf_flow_table_gc_cleanup(struct nf_flowtable *flowtable,
+ struct net_device *dev)
{
nf_flow_table_iterate(flowtable, nf_flow_table_do_cleanup, dev);
flush_delayed_work(&flowtable->gc_work);
@@ -598,7 +602,7 @@ void nf_flow_table_cleanup(struct net_device *dev)
mutex_lock(&flowtable_lock);
list_for_each_entry(flowtable, &flowtables, list)
- nf_flow_table_iterate_cleanup(flowtable, dev);
+ nf_flow_table_gc_cleanup(flowtable, dev);
mutex_unlock(&flowtable_lock);
}
EXPORT_SYMBOL_GPL(nf_flow_table_cleanup);
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index e3b099c14eff..62651e6683f6 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -754,12 +754,15 @@ static void flow_offload_work_add(struct flow_offload_work *offload)
err = flow_offload_rule_add(offload, flow_rule);
if (err < 0)
set_bit(NF_FLOW_HW_REFRESH, &offload->flow->flags);
+ else
+ set_bit(IPS_HW_OFFLOAD_BIT, &offload->flow->ct->status);
nf_flow_offload_destroy(flow_rule);
}
static void flow_offload_work_del(struct flow_offload_work *offload)
{
+ clear_bit(IPS_HW_OFFLOAD_BIT, &offload->flow->ct->status);
flow_offload_tuple_del(offload, FLOW_OFFLOAD_DIR_ORIGINAL);
flow_offload_tuple_del(offload, FLOW_OFFLOAD_DIR_REPLY);
set_bit(NF_FLOW_HW_DEAD, &offload->flow->flags);
@@ -817,6 +820,7 @@ static void flow_offload_work_handler(struct work_struct *work)
WARN_ON_ONCE(1);
}
+ clear_bit(NF_FLOW_HW_PENDING, &offload->flow->flags);
kfree(offload);
}
@@ -831,9 +835,14 @@ nf_flow_offload_work_alloc(struct nf_flowtable *flowtable,
{
struct flow_offload_work *offload;
+ if (test_and_set_bit(NF_FLOW_HW_PENDING, &flow->flags))
+ return NULL;
+
offload = kmalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
- if (!offload)
+ if (!offload) {
+ clear_bit(NF_FLOW_HW_PENDING, &flow->flags);
return NULL;
+ }
offload->cmd = cmd;
offload->flow = flow;
@@ -933,6 +942,18 @@ static void nf_flow_table_block_offload_init(struct flow_block_offload *bo,
INIT_LIST_HEAD(&bo->cb_list);
}
+static void nf_flow_table_indr_cleanup(struct flow_block_cb *block_cb)
+{
+ struct nf_flowtable *flowtable = block_cb->indr.data;
+ struct net_device *dev = block_cb->indr.dev;
+
+ nf_flow_table_gc_cleanup(flowtable, dev);
+ down_write(&flowtable->flow_block_lock);
+ list_del(&block_cb->list);
+ flow_block_cb_free(block_cb);
+ up_write(&flowtable->flow_block_lock);
+}
+
static int nf_flow_table_indr_offload_cmd(struct flow_block_offload *bo,
struct nf_flowtable *flowtable,
struct net_device *dev,
@@ -941,12 +962,9 @@ static int nf_flow_table_indr_offload_cmd(struct flow_block_offload *bo,
{
nf_flow_table_block_offload_init(bo, dev_net(dev), cmd, flowtable,
extack);
- flow_indr_block_call(dev, bo, cmd, TC_SETUP_FT);
-
- if (list_empty(&bo->cb_list))
- return -EOPNOTSUPP;
- return 0;
+ return flow_indr_dev_setup_offload(dev, TC_SETUP_FT, flowtable, bo,
+ nf_flow_table_indr_cleanup);
}
static int nf_flow_table_offload_cmd(struct flow_block_offload *bo,
@@ -990,83 +1008,17 @@ int nf_flow_table_offload_setup(struct nf_flowtable *flowtable,
}
EXPORT_SYMBOL_GPL(nf_flow_table_offload_setup);
-static void nf_flow_table_indr_block_ing_cmd(struct net_device *dev,
- struct nf_flowtable *flowtable,
- flow_indr_block_bind_cb_t *cb,
- void *cb_priv,
- enum flow_block_command cmd)
-{
- struct netlink_ext_ack extack = {};
- struct flow_block_offload bo;
-
- if (!flowtable)
- return;
-
- nf_flow_table_block_offload_init(&bo, dev_net(dev), cmd, flowtable,
- &extack);
-
- cb(dev, cb_priv, TC_SETUP_FT, &bo);
-
- nf_flow_table_block_setup(flowtable, &bo, cmd);
-}
-
-static void nf_flow_table_indr_block_cb_cmd(struct nf_flowtable *flowtable,
- struct net_device *dev,
- flow_indr_block_bind_cb_t *cb,
- void *cb_priv,
- enum flow_block_command cmd)
-{
- if (!(flowtable->flags & NF_FLOWTABLE_HW_OFFLOAD))
- return;
-
- nf_flow_table_indr_block_ing_cmd(dev, flowtable, cb, cb_priv, cmd);
-}
-
-static void nf_flow_table_indr_block_cb(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb,
- void *cb_priv,
- enum flow_block_command cmd)
-{
- struct net *net = dev_net(dev);
- struct nft_flowtable *nft_ft;
- struct nft_table *table;
- struct nft_hook *hook;
-
- mutex_lock(&net->nft.commit_mutex);
- list_for_each_entry(table, &net->nft.tables, list) {
- list_for_each_entry(nft_ft, &table->flowtables, list) {
- list_for_each_entry(hook, &nft_ft->hook_list, list) {
- if (hook->ops.dev != dev)
- continue;
-
- nf_flow_table_indr_block_cb_cmd(&nft_ft->data,
- dev, cb,
- cb_priv, cmd);
- }
- }
- }
- mutex_unlock(&net->nft.commit_mutex);
-}
-
-static struct flow_indr_block_entry block_ing_entry = {
- .cb = nf_flow_table_indr_block_cb,
- .list = LIST_HEAD_INIT(block_ing_entry.list),
-};
-
int nf_flow_table_offload_init(void)
{
nf_flow_offload_wq = alloc_workqueue("nf_flow_table_offload",
- WQ_UNBOUND | WQ_MEM_RECLAIM, 0);
+ WQ_UNBOUND, 0);
if (!nf_flow_offload_wq)
return -ENOMEM;
- flow_indr_add_block_cb(&block_ing_entry);
-
return 0;
}
void nf_flow_table_offload_exit(void)
{
- flow_indr_del_block_cb(&block_ing_entry);
destroy_workqueue(nf_flow_offload_wq);
}
diff --git a/net/netfilter/nf_internals.h b/net/netfilter/nf_internals.h
index d6c43902ebd7..832ae64179f0 100644
--- a/net/netfilter/nf_internals.h
+++ b/net/netfilter/nf_internals.h
@@ -6,6 +6,23 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
+/* nf_conntrack_netlink.c: applied on tuple filters */
+#define CTA_FILTER_F_CTA_IP_SRC (1 << 0)
+#define CTA_FILTER_F_CTA_IP_DST (1 << 1)
+#define CTA_FILTER_F_CTA_TUPLE_ZONE (1 << 2)
+#define CTA_FILTER_F_CTA_PROTO_NUM (1 << 3)
+#define CTA_FILTER_F_CTA_PROTO_SRC_PORT (1 << 4)
+#define CTA_FILTER_F_CTA_PROTO_DST_PORT (1 << 5)
+#define CTA_FILTER_F_CTA_PROTO_ICMP_TYPE (1 << 6)
+#define CTA_FILTER_F_CTA_PROTO_ICMP_CODE (1 << 7)
+#define CTA_FILTER_F_CTA_PROTO_ICMP_ID (1 << 8)
+#define CTA_FILTER_F_CTA_PROTO_ICMPV6_TYPE (1 << 9)
+#define CTA_FILTER_F_CTA_PROTO_ICMPV6_CODE (1 << 10)
+#define CTA_FILTER_F_CTA_PROTO_ICMPV6_ID (1 << 11)
+#define CTA_FILTER_F_MAX (1 << 12)
+#define CTA_FILTER_F_ALL (CTA_FILTER_F_MAX-1)
+#define CTA_FILTER_FLAG(ctattr) CTA_FILTER_F_ ## ctattr
+
/* nf_queue.c */
void nf_queue_nf_hook_drop(struct net *net);
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index bb25d4c794c7..6cb9f9474b05 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -414,7 +414,7 @@ static struct ctl_table nf_log_sysctl_ftable[] = {
};
static int nf_log_proc_dostring(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
const struct nf_logger *logger;
char buf[NFLOGGER_NAME_LEN];
diff --git a/net/netfilter/nf_nat_proto.c b/net/netfilter/nf_nat_proto.c
index 64eedc17037a..59151dc07fdc 100644
--- a/net/netfilter/nf_nat_proto.c
+++ b/net/netfilter/nf_nat_proto.c
@@ -68,15 +68,13 @@ static bool udp_manip_pkt(struct sk_buff *skb,
enum nf_nat_manip_type maniptype)
{
struct udphdr *hdr;
- bool do_csum;
if (skb_ensure_writable(skb, hdroff + sizeof(*hdr)))
return false;
hdr = (struct udphdr *)(skb->data + hdroff);
- do_csum = hdr->check || skb->ip_summed == CHECKSUM_PARTIAL;
+ __udp_manip_pkt(skb, iphdroff, hdr, tuple, maniptype, !!hdr->check);
- __udp_manip_pkt(skb, iphdroff, hdr, tuple, maniptype, do_csum);
return true;
}
@@ -1035,8 +1033,8 @@ int nf_nat_inet_register_fn(struct net *net, const struct nf_hook_ops *ops)
ret = nf_nat_register_fn(net, NFPROTO_IPV4, ops, nf_nat_ipv4_ops,
ARRAY_SIZE(nf_nat_ipv4_ops));
if (ret)
- nf_nat_ipv6_unregister_fn(net, ops);
-
+ nf_nat_unregister_fn(net, NFPROTO_IPV6, ops,
+ ARRAY_SIZE(nf_nat_ipv6_ops));
return ret;
}
EXPORT_SYMBOL_GPL(nf_nat_inet_register_fn);
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 9780bd93b7e4..073aa1051d43 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1669,6 +1669,7 @@ static struct nft_hook *nft_netdev_hook_alloc(struct net *net,
goto err_hook_dev;
}
hook->ops.dev = dev;
+ hook->inactive = false;
return hook;
@@ -1678,17 +1679,17 @@ err_hook_alloc:
return ERR_PTR(err);
}
-static bool nft_hook_list_find(struct list_head *hook_list,
- const struct nft_hook *this)
+static struct nft_hook *nft_hook_list_find(struct list_head *hook_list,
+ const struct nft_hook *this)
{
struct nft_hook *hook;
list_for_each_entry(hook, hook_list, list) {
if (this->ops.dev == hook->ops.dev)
- return true;
+ return hook;
}
- return false;
+ return NULL;
}
static int nf_tables_parse_netdev_hooks(struct net *net,
@@ -1723,8 +1724,6 @@ static int nf_tables_parse_netdev_hooks(struct net *net,
goto err_hook;
}
}
- if (!n)
- return -EINVAL;
return 0;
@@ -1761,6 +1760,9 @@ static int nft_chain_parse_netdev(struct net *net,
hook_list);
if (err < 0)
return err;
+
+ if (list_empty(hook_list))
+ return -EINVAL;
} else {
return -EINVAL;
}
@@ -4669,6 +4671,25 @@ static int nft_setelem_parse_key(struct nft_ctx *ctx, struct nft_set *set,
return 0;
}
+static int nft_setelem_parse_data(struct nft_ctx *ctx, struct nft_set *set,
+ struct nft_data_desc *desc,
+ struct nft_data *data,
+ struct nlattr *attr)
+{
+ int err;
+
+ err = nft_data_init(ctx, data, NFT_DATA_VALUE_MAXLEN, desc, attr);
+ if (err < 0)
+ return err;
+
+ if (desc->type != NFT_DATA_VERDICT && desc->len != set->dlen) {
+ nft_data_release(data, desc->type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int nft_get_set_elem(struct nft_ctx *ctx, struct nft_set *set,
const struct nlattr *attr)
{
@@ -4946,7 +4967,6 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
struct nft_expr *expr = NULL;
struct nft_userdata *udata;
struct nft_data_desc desc;
- struct nft_data data;
enum nft_registers dreg;
struct nft_trans *trans;
u32 flags = 0;
@@ -5072,15 +5092,11 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
}
if (nla[NFTA_SET_ELEM_DATA] != NULL) {
- err = nft_data_init(ctx, &data, sizeof(data), &desc,
- nla[NFTA_SET_ELEM_DATA]);
+ err = nft_setelem_parse_data(ctx, set, &desc, &elem.data.val,
+ nla[NFTA_SET_ELEM_DATA]);
if (err < 0)
goto err_parse_key_end;
- err = -EINVAL;
- if (set->dtype != NFT_DATA_VERDICT && desc.len != set->dlen)
- goto err_parse_data;
-
dreg = nft_type_to_reg(set->dtype);
list_for_each_entry(binding, &set->bindings, list) {
struct nft_ctx bind_ctx = {
@@ -5094,14 +5110,14 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
continue;
err = nft_validate_register_store(&bind_ctx, dreg,
- &data,
+ &elem.data.val,
desc.type, desc.len);
if (err < 0)
goto err_parse_data;
if (desc.type == NFT_DATA_VERDICT &&
- (data.verdict.code == NFT_GOTO ||
- data.verdict.code == NFT_JUMP))
+ (elem.data.val.verdict.code == NFT_GOTO ||
+ elem.data.val.verdict.code == NFT_JUMP))
nft_validate_state_update(ctx->net,
NFT_VALIDATE_NEED);
}
@@ -5123,7 +5139,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
err = -ENOMEM;
elem.priv = nft_set_elem_init(set, &tmpl, elem.key.val.data,
- elem.key_end.val.data, data.data,
+ elem.key_end.val.data, elem.data.val.data,
timeout, expiration, GFP_KERNEL);
if (elem.priv == NULL)
goto err_parse_data;
@@ -5201,7 +5217,7 @@ err_trans:
nf_tables_set_elem_destroy(ctx, set, elem.priv);
err_parse_data:
if (nla[NFTA_SET_ELEM_DATA] != NULL)
- nft_data_release(&data, desc.type);
+ nft_data_release(&elem.data.val, desc.type);
err_parse_key_end:
nft_data_release(&elem.key_end.val, NFT_DATA_VALUE);
err_parse_key:
@@ -6164,50 +6180,77 @@ nft_flowtable_lookup_byhandle(const struct nft_table *table,
return ERR_PTR(-ENOENT);
}
+struct nft_flowtable_hook {
+ u32 num;
+ int priority;
+ struct list_head list;
+};
+
static const struct nla_policy nft_flowtable_hook_policy[NFTA_FLOWTABLE_HOOK_MAX + 1] = {
[NFTA_FLOWTABLE_HOOK_NUM] = { .type = NLA_U32 },
[NFTA_FLOWTABLE_HOOK_PRIORITY] = { .type = NLA_U32 },
[NFTA_FLOWTABLE_HOOK_DEVS] = { .type = NLA_NESTED },
};
-static int nf_tables_flowtable_parse_hook(const struct nft_ctx *ctx,
- const struct nlattr *attr,
- struct nft_flowtable *flowtable)
+static int nft_flowtable_parse_hook(const struct nft_ctx *ctx,
+ const struct nlattr *attr,
+ struct nft_flowtable_hook *flowtable_hook,
+ struct nft_flowtable *flowtable, bool add)
{
struct nlattr *tb[NFTA_FLOWTABLE_HOOK_MAX + 1];
struct nft_hook *hook;
int hooknum, priority;
int err;
+ INIT_LIST_HEAD(&flowtable_hook->list);
+
err = nla_parse_nested_deprecated(tb, NFTA_FLOWTABLE_HOOK_MAX, attr,
nft_flowtable_hook_policy, NULL);
if (err < 0)
return err;
- if (!tb[NFTA_FLOWTABLE_HOOK_NUM] ||
- !tb[NFTA_FLOWTABLE_HOOK_PRIORITY] ||
- !tb[NFTA_FLOWTABLE_HOOK_DEVS])
- return -EINVAL;
+ if (add) {
+ if (!tb[NFTA_FLOWTABLE_HOOK_NUM] ||
+ !tb[NFTA_FLOWTABLE_HOOK_PRIORITY])
+ return -EINVAL;
- hooknum = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_NUM]));
- if (hooknum != NF_NETDEV_INGRESS)
- return -EINVAL;
+ hooknum = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_NUM]));
+ if (hooknum != NF_NETDEV_INGRESS)
+ return -EOPNOTSUPP;
- priority = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_PRIORITY]));
+ priority = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_PRIORITY]));
- err = nf_tables_parse_netdev_hooks(ctx->net,
- tb[NFTA_FLOWTABLE_HOOK_DEVS],
- &flowtable->hook_list);
- if (err < 0)
- return err;
+ flowtable_hook->priority = priority;
+ flowtable_hook->num = hooknum;
+ } else {
+ if (tb[NFTA_FLOWTABLE_HOOK_NUM]) {
+ hooknum = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_NUM]));
+ if (hooknum != flowtable->hooknum)
+ return -EOPNOTSUPP;
+ }
- flowtable->hooknum = hooknum;
- flowtable->data.priority = priority;
+ if (tb[NFTA_FLOWTABLE_HOOK_PRIORITY]) {
+ priority = ntohl(nla_get_be32(tb[NFTA_FLOWTABLE_HOOK_PRIORITY]));
+ if (priority != flowtable->data.priority)
+ return -EOPNOTSUPP;
+ }
- list_for_each_entry(hook, &flowtable->hook_list, list) {
+ flowtable_hook->priority = flowtable->data.priority;
+ flowtable_hook->num = flowtable->hooknum;
+ }
+
+ if (tb[NFTA_FLOWTABLE_HOOK_DEVS]) {
+ err = nf_tables_parse_netdev_hooks(ctx->net,
+ tb[NFTA_FLOWTABLE_HOOK_DEVS],
+ &flowtable_hook->list);
+ if (err < 0)
+ return err;
+ }
+
+ list_for_each_entry(hook, &flowtable_hook->list, list) {
hook->ops.pf = NFPROTO_NETDEV;
- hook->ops.hooknum = hooknum;
- hook->ops.priority = priority;
+ hook->ops.hooknum = flowtable_hook->num;
+ hook->ops.priority = flowtable_hook->priority;
hook->ops.priv = &flowtable->data;
hook->ops.hook = flowtable->data.type->hook;
}
@@ -6256,23 +6299,24 @@ static void nft_unregister_flowtable_hook(struct net *net,
}
static void nft_unregister_flowtable_net_hooks(struct net *net,
- struct nft_flowtable *flowtable)
+ struct list_head *hook_list)
{
struct nft_hook *hook;
- list_for_each_entry(hook, &flowtable->hook_list, list)
+ list_for_each_entry(hook, hook_list, list)
nf_unregister_net_hook(net, &hook->ops);
}
static int nft_register_flowtable_net_hooks(struct net *net,
struct nft_table *table,
+ struct list_head *hook_list,
struct nft_flowtable *flowtable)
{
struct nft_hook *hook, *hook2, *next;
struct nft_flowtable *ft;
int err, i = 0;
- list_for_each_entry(hook, &flowtable->hook_list, list) {
+ list_for_each_entry(hook, hook_list, list) {
list_for_each_entry(ft, &table->flowtables, list) {
list_for_each_entry(hook2, &ft->hook_list, list) {
if (hook->ops.dev == hook2->ops.dev &&
@@ -6303,7 +6347,7 @@ static int nft_register_flowtable_net_hooks(struct net *net,
return 0;
err_unregister_net_hooks:
- list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
+ list_for_each_entry_safe(hook, next, hook_list, list) {
if (i-- <= 0)
break;
@@ -6315,6 +6359,72 @@ err_unregister_net_hooks:
return err;
}
+static void nft_flowtable_hooks_destroy(struct list_head *hook_list)
+{
+ struct nft_hook *hook, *next;
+
+ list_for_each_entry_safe(hook, next, hook_list, list) {
+ list_del_rcu(&hook->list);
+ kfree_rcu(hook, rcu);
+ }
+}
+
+static int nft_flowtable_update(struct nft_ctx *ctx, const struct nlmsghdr *nlh,
+ struct nft_flowtable *flowtable)
+{
+ const struct nlattr * const *nla = ctx->nla;
+ struct nft_flowtable_hook flowtable_hook;
+ struct nft_hook *hook, *next;
+ struct nft_trans *trans;
+ bool unregister = false;
+ int err;
+
+ err = nft_flowtable_parse_hook(ctx, nla[NFTA_FLOWTABLE_HOOK],
+ &flowtable_hook, flowtable, false);
+ if (err < 0)
+ return err;
+
+ list_for_each_entry_safe(hook, next, &flowtable_hook.list, list) {
+ if (nft_hook_list_find(&flowtable->hook_list, hook)) {
+ list_del(&hook->list);
+ kfree(hook);
+ }
+ }
+
+ err = nft_register_flowtable_net_hooks(ctx->net, ctx->table,
+ &flowtable_hook.list, flowtable);
+ if (err < 0)
+ goto err_flowtable_update_hook;
+
+ trans = nft_trans_alloc(ctx, NFT_MSG_NEWFLOWTABLE,
+ sizeof(struct nft_trans_flowtable));
+ if (!trans) {
+ unregister = true;
+ err = -ENOMEM;
+ goto err_flowtable_update_hook;
+ }
+
+ nft_trans_flowtable(trans) = flowtable;
+ nft_trans_flowtable_update(trans) = true;
+ INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
+ list_splice(&flowtable_hook.list, &nft_trans_flowtable_hooks(trans));
+
+ list_add_tail(&trans->list, &ctx->net->nft.commit_list);
+
+ return 0;
+
+err_flowtable_update_hook:
+ list_for_each_entry_safe(hook, next, &flowtable_hook.list, list) {
+ if (unregister)
+ nft_unregister_flowtable_hook(ctx->net, flowtable, hook);
+ list_del_rcu(&hook->list);
+ kfree_rcu(hook, rcu);
+ }
+
+ return err;
+
+}
+
static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
@@ -6322,6 +6432,7 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
struct netlink_ext_ack *extack)
{
const struct nfgenmsg *nfmsg = nlmsg_data(nlh);
+ struct nft_flowtable_hook flowtable_hook;
const struct nf_flowtable_type *type;
u8 genmask = nft_genmask_next(net);
int family = nfmsg->nfgen_family;
@@ -6357,7 +6468,9 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
return -EEXIST;
}
- return 0;
+ nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
+
+ return nft_flowtable_update(&ctx, nlh, flowtable);
}
nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
@@ -6395,17 +6508,20 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk,
if (err < 0)
goto err3;
- err = nf_tables_flowtable_parse_hook(&ctx, nla[NFTA_FLOWTABLE_HOOK],
- flowtable);
+ err = nft_flowtable_parse_hook(&ctx, nla[NFTA_FLOWTABLE_HOOK],
+ &flowtable_hook, flowtable, true);
if (err < 0)
goto err4;
- err = nft_register_flowtable_net_hooks(ctx.net, table, flowtable);
+ list_splice(&flowtable_hook.list, &flowtable->hook_list);
+ flowtable->data.priority = flowtable_hook.priority;
+ flowtable->hooknum = flowtable_hook.num;
+
+ err = nft_register_flowtable_net_hooks(ctx.net, table,
+ &flowtable->hook_list,
+ flowtable);
if (err < 0) {
- list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
- list_del_rcu(&hook->list);
- kfree_rcu(hook, rcu);
- }
+ nft_flowtable_hooks_destroy(&flowtable->hook_list);
goto err4;
}
@@ -6434,6 +6550,51 @@ err1:
return err;
}
+static int nft_delflowtable_hook(struct nft_ctx *ctx,
+ struct nft_flowtable *flowtable)
+{
+ const struct nlattr * const *nla = ctx->nla;
+ struct nft_flowtable_hook flowtable_hook;
+ struct nft_hook *this, *next, *hook;
+ struct nft_trans *trans;
+ int err;
+
+ err = nft_flowtable_parse_hook(ctx, nla[NFTA_FLOWTABLE_HOOK],
+ &flowtable_hook, flowtable, false);
+ if (err < 0)
+ return err;
+
+ list_for_each_entry_safe(this, next, &flowtable_hook.list, list) {
+ hook = nft_hook_list_find(&flowtable->hook_list, this);
+ if (!hook) {
+ err = -ENOENT;
+ goto err_flowtable_del_hook;
+ }
+ hook->inactive = true;
+ list_del(&this->list);
+ kfree(this);
+ }
+
+ trans = nft_trans_alloc(ctx, NFT_MSG_DELFLOWTABLE,
+ sizeof(struct nft_trans_flowtable));
+ if (!trans)
+ return -ENOMEM;
+
+ nft_trans_flowtable(trans) = flowtable;
+ nft_trans_flowtable_update(trans) = true;
+ INIT_LIST_HEAD(&nft_trans_flowtable_hooks(trans));
+
+ list_add_tail(&trans->list, &ctx->net->nft.commit_list);
+
+ return 0;
+
+err_flowtable_del_hook:
+ list_for_each_entry(hook, &flowtable_hook.list, list)
+ hook->inactive = false;
+
+ return err;
+}
+
static int nf_tables_delflowtable(struct net *net, struct sock *nlsk,
struct sk_buff *skb,
const struct nlmsghdr *nlh,
@@ -6472,20 +6633,25 @@ static int nf_tables_delflowtable(struct net *net, struct sock *nlsk,
NL_SET_BAD_ATTR(extack, attr);
return PTR_ERR(flowtable);
}
+
+ nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
+
+ if (nla[NFTA_FLOWTABLE_HOOK])
+ return nft_delflowtable_hook(&ctx, flowtable);
+
if (flowtable->use > 0) {
NL_SET_BAD_ATTR(extack, attr);
return -EBUSY;
}
- nft_ctx_init(&ctx, net, skb, nlh, family, table, NULL, nla);
-
return nft_delflowtable(&ctx, flowtable);
}
static int nf_tables_fill_flowtable_info(struct sk_buff *skb, struct net *net,
u32 portid, u32 seq, int event,
u32 flags, int family,
- struct nft_flowtable *flowtable)
+ struct nft_flowtable *flowtable,
+ struct list_head *hook_list)
{
struct nlattr *nest, *nest_devs;
struct nfgenmsg *nfmsg;
@@ -6521,7 +6687,7 @@ static int nf_tables_fill_flowtable_info(struct sk_buff *skb, struct net *net,
if (!nest_devs)
goto nla_put_failure;
- list_for_each_entry_rcu(hook, &flowtable->hook_list, list) {
+ list_for_each_entry_rcu(hook, hook_list, list) {
if (nla_put_string(skb, NFTA_DEVICE_NAME, hook->ops.dev->name))
goto nla_put_failure;
}
@@ -6574,7 +6740,9 @@ static int nf_tables_dump_flowtable(struct sk_buff *skb,
cb->nlh->nlmsg_seq,
NFT_MSG_NEWFLOWTABLE,
NLM_F_MULTI | NLM_F_APPEND,
- table->family, flowtable) < 0)
+ table->family,
+ flowtable,
+ &flowtable->hook_list) < 0)
goto done;
nl_dump_check_consistent(cb, nlmsg_hdr(skb));
@@ -6671,7 +6839,7 @@ static int nf_tables_getflowtable(struct net *net, struct sock *nlsk,
err = nf_tables_fill_flowtable_info(skb2, net, NETLINK_CB(skb).portid,
nlh->nlmsg_seq,
NFT_MSG_NEWFLOWTABLE, 0, family,
- flowtable);
+ flowtable, &flowtable->hook_list);
if (err < 0)
goto err;
@@ -6683,6 +6851,7 @@ err:
static void nf_tables_flowtable_notify(struct nft_ctx *ctx,
struct nft_flowtable *flowtable,
+ struct list_head *hook_list,
int event)
{
struct sk_buff *skb;
@@ -6698,7 +6867,7 @@ static void nf_tables_flowtable_notify(struct nft_ctx *ctx,
err = nf_tables_fill_flowtable_info(skb, ctx->net, ctx->portid,
ctx->seq, event, 0,
- ctx->family, flowtable);
+ ctx->family, flowtable, hook_list);
if (err < 0) {
kfree_skb(skb);
goto err;
@@ -7084,7 +7253,10 @@ static void nft_commit_release(struct nft_trans *trans)
nft_obj_destroy(&trans->ctx, nft_trans_obj(trans));
break;
case NFT_MSG_DELFLOWTABLE:
- nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
+ if (nft_trans_flowtable_update(trans))
+ nft_flowtable_hooks_destroy(&nft_trans_flowtable_hooks(trans));
+ else
+ nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
break;
}
@@ -7245,6 +7417,17 @@ static void nft_chain_del(struct nft_chain *chain)
list_del_rcu(&chain->list);
}
+static void nft_flowtable_hooks_del(struct nft_flowtable *flowtable,
+ struct list_head *hook_list)
+{
+ struct nft_hook *hook, *next;
+
+ list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) {
+ if (hook->inactive)
+ list_move(&hook->list, hook_list);
+ }
+}
+
static void nf_tables_module_autoload_cleanup(struct net *net)
{
struct nft_module_request *req, *next;
@@ -7453,19 +7636,41 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
NFT_MSG_DELOBJ);
break;
case NFT_MSG_NEWFLOWTABLE:
- nft_clear(net, nft_trans_flowtable(trans));
- nf_tables_flowtable_notify(&trans->ctx,
- nft_trans_flowtable(trans),
- NFT_MSG_NEWFLOWTABLE);
+ if (nft_trans_flowtable_update(trans)) {
+ nf_tables_flowtable_notify(&trans->ctx,
+ nft_trans_flowtable(trans),
+ &nft_trans_flowtable_hooks(trans),
+ NFT_MSG_NEWFLOWTABLE);
+ list_splice(&nft_trans_flowtable_hooks(trans),
+ &nft_trans_flowtable(trans)->hook_list);
+ } else {
+ nft_clear(net, nft_trans_flowtable(trans));
+ nf_tables_flowtable_notify(&trans->ctx,
+ nft_trans_flowtable(trans),
+ &nft_trans_flowtable(trans)->hook_list,
+ NFT_MSG_NEWFLOWTABLE);
+ }
nft_trans_destroy(trans);
break;
case NFT_MSG_DELFLOWTABLE:
- list_del_rcu(&nft_trans_flowtable(trans)->list);
- nf_tables_flowtable_notify(&trans->ctx,
- nft_trans_flowtable(trans),
- NFT_MSG_DELFLOWTABLE);
- nft_unregister_flowtable_net_hooks(net,
- nft_trans_flowtable(trans));
+ if (nft_trans_flowtable_update(trans)) {
+ nft_flowtable_hooks_del(nft_trans_flowtable(trans),
+ &nft_trans_flowtable_hooks(trans));
+ nf_tables_flowtable_notify(&trans->ctx,
+ nft_trans_flowtable(trans),
+ &nft_trans_flowtable_hooks(trans),
+ NFT_MSG_DELFLOWTABLE);
+ nft_unregister_flowtable_net_hooks(net,
+ &nft_trans_flowtable_hooks(trans));
+ } else {
+ list_del_rcu(&nft_trans_flowtable(trans)->list);
+ nf_tables_flowtable_notify(&trans->ctx,
+ nft_trans_flowtable(trans),
+ &nft_trans_flowtable(trans)->hook_list,
+ NFT_MSG_DELFLOWTABLE);
+ nft_unregister_flowtable_net_hooks(net,
+ &nft_trans_flowtable(trans)->hook_list);
+ }
break;
}
}
@@ -7514,7 +7719,10 @@ static void nf_tables_abort_release(struct nft_trans *trans)
nft_obj_destroy(&trans->ctx, nft_trans_obj(trans));
break;
case NFT_MSG_NEWFLOWTABLE:
- nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
+ if (nft_trans_flowtable_update(trans))
+ nft_flowtable_hooks_destroy(&nft_trans_flowtable_hooks(trans));
+ else
+ nf_tables_flowtable_destroy(nft_trans_flowtable(trans));
break;
}
kfree(trans);
@@ -7524,6 +7732,7 @@ static int __nf_tables_abort(struct net *net, bool autoload)
{
struct nft_trans *trans, *next;
struct nft_trans_elem *te;
+ struct nft_hook *hook;
list_for_each_entry_safe_reverse(trans, next, &net->nft.commit_list,
list) {
@@ -7621,14 +7830,24 @@ static int __nf_tables_abort(struct net *net, bool autoload)
nft_trans_destroy(trans);
break;
case NFT_MSG_NEWFLOWTABLE:
- trans->ctx.table->use--;
- list_del_rcu(&nft_trans_flowtable(trans)->list);
- nft_unregister_flowtable_net_hooks(net,
- nft_trans_flowtable(trans));
+ if (nft_trans_flowtable_update(trans)) {
+ nft_unregister_flowtable_net_hooks(net,
+ &nft_trans_flowtable_hooks(trans));
+ } else {
+ trans->ctx.table->use--;
+ list_del_rcu(&nft_trans_flowtable(trans)->list);
+ nft_unregister_flowtable_net_hooks(net,
+ &nft_trans_flowtable(trans)->hook_list);
+ }
break;
case NFT_MSG_DELFLOWTABLE:
- trans->ctx.table->use++;
- nft_clear(trans->ctx.net, nft_trans_flowtable(trans));
+ if (nft_trans_flowtable_update(trans)) {
+ list_for_each_entry(hook, &nft_trans_flowtable(trans)->hook_list, list)
+ hook->inactive = false;
+ } else {
+ trans->ctx.table->use++;
+ nft_clear(trans->ctx.net, nft_trans_flowtable(trans));
+ }
nft_trans_destroy(trans);
break;
}
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index 954bccb7f32a..185fc82c99aa 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -285,40 +285,41 @@ static int nft_block_offload_cmd(struct nft_base_chain *chain,
return nft_block_setup(chain, &bo, cmd);
}
-static void nft_indr_block_ing_cmd(struct net_device *dev,
- struct nft_base_chain *chain,
- flow_indr_block_bind_cb_t *cb,
- void *cb_priv,
- enum flow_block_command cmd)
+static void nft_indr_block_cleanup(struct flow_block_cb *block_cb)
{
+ struct nft_base_chain *basechain = block_cb->indr.data;
+ struct net_device *dev = block_cb->indr.dev;
struct netlink_ext_ack extack = {};
+ struct net *net = dev_net(dev);
struct flow_block_offload bo;
- if (!chain)
- return;
-
- nft_flow_block_offload_init(&bo, dev_net(dev), cmd, chain, &extack);
-
- cb(dev, cb_priv, TC_SETUP_BLOCK, &bo);
-
- nft_block_setup(chain, &bo, cmd);
+ nft_flow_block_offload_init(&bo, dev_net(dev), FLOW_BLOCK_UNBIND,
+ basechain, &extack);
+ mutex_lock(&net->nft.commit_mutex);
+ list_move(&block_cb->list, &bo.cb_list);
+ nft_flow_offload_unbind(&bo, basechain);
+ mutex_unlock(&net->nft.commit_mutex);
}
-static int nft_indr_block_offload_cmd(struct nft_base_chain *chain,
+static int nft_indr_block_offload_cmd(struct nft_base_chain *basechain,
struct net_device *dev,
enum flow_block_command cmd)
{
struct netlink_ext_ack extack = {};
struct flow_block_offload bo;
+ int err;
- nft_flow_block_offload_init(&bo, dev_net(dev), cmd, chain, &extack);
+ nft_flow_block_offload_init(&bo, dev_net(dev), cmd, basechain, &extack);
- flow_indr_block_call(dev, &bo, cmd, TC_SETUP_BLOCK);
+ err = flow_indr_dev_setup_offload(dev, TC_SETUP_BLOCK, basechain, &bo,
+ nft_indr_block_cleanup);
+ if (err < 0)
+ return err;
if (list_empty(&bo.cb_list))
return -EOPNOTSUPP;
- return nft_block_setup(chain, &bo, cmd);
+ return nft_block_setup(basechain, &bo, cmd);
}
#define FLOW_SETUP_BLOCK TC_SETUP_BLOCK
@@ -555,24 +556,6 @@ static struct nft_chain *__nft_offload_get_chain(struct net_device *dev)
return NULL;
}
-static void nft_indr_block_cb(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb, void *cb_priv,
- enum flow_block_command cmd)
-{
- struct net *net = dev_net(dev);
- struct nft_chain *chain;
-
- mutex_lock(&net->nft.commit_mutex);
- chain = __nft_offload_get_chain(dev);
- if (chain && chain->flags & NFT_CHAIN_HW_OFFLOAD) {
- struct nft_base_chain *basechain;
-
- basechain = nft_base_chain(chain);
- nft_indr_block_ing_cmd(dev, basechain, cb, cb_priv, cmd);
- }
- mutex_unlock(&net->nft.commit_mutex);
-}
-
static int nft_offload_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
@@ -594,30 +577,16 @@ static int nft_offload_netdev_event(struct notifier_block *this,
return NOTIFY_DONE;
}
-static struct flow_indr_block_entry block_ing_entry = {
- .cb = nft_indr_block_cb,
- .list = LIST_HEAD_INIT(block_ing_entry.list),
-};
-
static struct notifier_block nft_offload_netdev_notifier = {
.notifier_call = nft_offload_netdev_event,
};
int nft_offload_init(void)
{
- int err;
-
- err = register_netdevice_notifier(&nft_offload_netdev_notifier);
- if (err < 0)
- return err;
-
- flow_indr_add_block_cb(&block_ing_entry);
-
- return 0;
+ return register_netdevice_notifier(&nft_offload_netdev_notifier);
}
void nft_offload_exit(void)
{
- flow_indr_del_block_cb(&block_ing_entry);
unregister_netdevice_notifier(&nft_offload_netdev_notifier);
}
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index a5f294aa8e4c..5b0d0a77379c 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -103,7 +103,7 @@ nfnl_cthelper_from_nlattr(struct nlattr *attr, struct nf_conn *ct)
if (help->helper->data_len == 0)
return -EINVAL;
- nla_memcpy(help->data, nla_data(attr), sizeof(help->data));
+ nla_memcpy(help->data, attr, sizeof(help->data));
return 0;
}
@@ -240,6 +240,7 @@ nfnl_cthelper_create(const struct nlattr * const tb[],
ret = -ENOMEM;
goto err2;
}
+ helper->data_len = size;
helper->flags |= NF_CT_HELPER_F_USERSPACE;
memcpy(&helper->tuple, tuple, sizeof(struct nf_conntrack_tuple));
diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c
index 9f5dea0064ea..916a3c7f9eaf 100644
--- a/net/netfilter/nfnetlink_osf.c
+++ b/net/netfilter/nfnetlink_osf.c
@@ -165,12 +165,12 @@ static bool nf_osf_match_one(const struct sk_buff *skb,
static const struct tcphdr *nf_osf_hdr_ctx_init(struct nf_osf_hdr_ctx *ctx,
const struct sk_buff *skb,
const struct iphdr *ip,
- unsigned char *opts)
+ unsigned char *opts,
+ struct tcphdr *_tcph)
{
const struct tcphdr *tcp;
- struct tcphdr _tcph;
- tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), &_tcph);
+ tcp = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(struct tcphdr), _tcph);
if (!tcp)
return NULL;
@@ -205,10 +205,11 @@ nf_osf_match(const struct sk_buff *skb, u_int8_t family,
int fmatch = FMATCH_WRONG;
struct nf_osf_hdr_ctx ctx;
const struct tcphdr *tcp;
+ struct tcphdr _tcph;
memset(&ctx, 0, sizeof(ctx));
- tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts);
+ tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts, &_tcph);
if (!tcp)
return false;
@@ -265,10 +266,11 @@ bool nf_osf_find(const struct sk_buff *skb,
const struct nf_osf_finger *kf;
struct nf_osf_hdr_ctx ctx;
const struct tcphdr *tcp;
+ struct tcphdr _tcph;
memset(&ctx, 0, sizeof(ctx));
- tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts);
+ tcp = nf_osf_hdr_ctx_init(&ctx, skb, ip, opts, &_tcph);
if (!tcp)
return false;
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c
index 8b44a4de5329..23a7bfd10521 100644
--- a/net/netfilter/nft_nat.c
+++ b/net/netfilter/nft_nat.c
@@ -30,6 +30,76 @@ struct nft_nat {
u16 flags;
};
+static void nft_nat_setup_addr(struct nf_nat_range2 *range,
+ const struct nft_regs *regs,
+ const struct nft_nat *priv)
+{
+ switch (priv->family) {
+ case AF_INET:
+ range->min_addr.ip = (__force __be32)
+ regs->data[priv->sreg_addr_min];
+ range->max_addr.ip = (__force __be32)
+ regs->data[priv->sreg_addr_max];
+ break;
+ case AF_INET6:
+ memcpy(range->min_addr.ip6, &regs->data[priv->sreg_addr_min],
+ sizeof(range->min_addr.ip6));
+ memcpy(range->max_addr.ip6, &regs->data[priv->sreg_addr_max],
+ sizeof(range->max_addr.ip6));
+ break;
+ }
+}
+
+static void nft_nat_setup_proto(struct nf_nat_range2 *range,
+ const struct nft_regs *regs,
+ const struct nft_nat *priv)
+{
+ range->min_proto.all = (__force __be16)
+ nft_reg_load16(&regs->data[priv->sreg_proto_min]);
+ range->max_proto.all = (__force __be16)
+ nft_reg_load16(&regs->data[priv->sreg_proto_max]);
+}
+
+static void nft_nat_setup_netmap(struct nf_nat_range2 *range,
+ const struct nft_pktinfo *pkt,
+ const struct nft_nat *priv)
+{
+ struct sk_buff *skb = pkt->skb;
+ union nf_inet_addr new_addr;
+ __be32 netmask;
+ int i, len = 0;
+
+ switch (priv->type) {
+ case NFT_NAT_SNAT:
+ if (nft_pf(pkt) == NFPROTO_IPV4) {
+ new_addr.ip = ip_hdr(skb)->saddr;
+ len = sizeof(struct in_addr);
+ } else {
+ new_addr.in6 = ipv6_hdr(skb)->saddr;
+ len = sizeof(struct in6_addr);
+ }
+ break;
+ case NFT_NAT_DNAT:
+ if (nft_pf(pkt) == NFPROTO_IPV4) {
+ new_addr.ip = ip_hdr(skb)->daddr;
+ len = sizeof(struct in_addr);
+ } else {
+ new_addr.in6 = ipv6_hdr(skb)->daddr;
+ len = sizeof(struct in6_addr);
+ }
+ break;
+ }
+
+ for (i = 0; i < len / sizeof(__be32); i++) {
+ netmask = ~(range->min_addr.ip6[i] ^ range->max_addr.ip6[i]);
+ new_addr.ip6[i] &= ~netmask;
+ new_addr.ip6[i] |= range->min_addr.ip6[i] & netmask;
+ }
+
+ range->min_addr = new_addr;
+ range->max_addr = new_addr;
+}
+
static void nft_nat_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
@@ -40,33 +110,17 @@ static void nft_nat_eval(const struct nft_expr *expr,
struct nf_nat_range2 range;
memset(&range, 0, sizeof(range));
- if (priv->sreg_addr_min) {
- if (priv->family == AF_INET) {
- range.min_addr.ip = (__force __be32)
- regs->data[priv->sreg_addr_min];
- range.max_addr.ip = (__force __be32)
- regs->data[priv->sreg_addr_max];
- } else {
- memcpy(range.min_addr.ip6,
- &regs->data[priv->sreg_addr_min],
- sizeof(range.min_addr.ip6));
- memcpy(range.max_addr.ip6,
- &regs->data[priv->sreg_addr_max],
- sizeof(range.max_addr.ip6));
- }
- range.flags |= NF_NAT_RANGE_MAP_IPS;
+ if (priv->sreg_addr_min) {
+ nft_nat_setup_addr(&range, regs, priv);
+ if (priv->flags & NF_NAT_RANGE_NETMAP)
+ nft_nat_setup_netmap(&range, pkt, priv);
}
- if (priv->sreg_proto_min) {
- range.min_proto.all = (__force __be16)nft_reg_load16(
- &regs->data[priv->sreg_proto_min]);
- range.max_proto.all = (__force __be16)nft_reg_load16(
- &regs->data[priv->sreg_proto_max]);
- range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
- }
+ if (priv->sreg_proto_min)
+ nft_nat_setup_proto(&range, regs, priv);
- range.flags |= priv->flags;
+ range.flags = priv->flags;
regs->verdict.code = nf_nat_setup_info(ct, &range, priv->type);
}
@@ -129,7 +183,7 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
priv->type = NF_NAT_MANIP_DST;
break;
default:
- return -EINVAL;
+ return -EOPNOTSUPP;
}
if (tb[NFTA_NAT_FAMILY] == NULL)
@@ -169,6 +223,8 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
} else {
priv->sreg_addr_max = priv->sreg_addr_min;
}
+
+ priv->flags |= NF_NAT_RANGE_MAP_IPS;
}
plen = sizeof_field(struct nf_nat_range, min_addr.all);
@@ -191,12 +247,14 @@ static int nft_nat_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
} else {
priv->sreg_proto_max = priv->sreg_proto_min;
}
+
+ priv->flags |= NF_NAT_RANGE_PROTO_SPECIFIED;
}
if (tb[NFTA_NAT_FLAGS]) {
- priv->flags = ntohl(nla_get_be32(tb[NFTA_NAT_FLAGS]));
+ priv->flags |= ntohl(nla_get_be32(tb[NFTA_NAT_FLAGS]));
if (priv->flags & ~NF_NAT_RANGE_MASK)
- return -EINVAL;
+ return -EOPNOTSUPP;
}
return nf_ct_netns_get(ctx->net, family);
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 3ffef454d469..62f416bc0579 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -79,6 +79,10 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set
parent = rcu_dereference_raw(parent->rb_left);
continue;
}
+
+ if (nft_set_elem_expired(&rbe->ext))
+ return false;
+
if (nft_rbtree_interval_end(rbe)) {
if (nft_set_is_anonymous(set))
return false;
@@ -94,6 +98,7 @@ static bool __nft_rbtree_lookup(const struct net *net, const struct nft_set *set
if (set->flags & NFT_SET_INTERVAL && interval != NULL &&
nft_set_elem_active(&interval->ext, genmask) &&
+ !nft_set_elem_expired(&interval->ext) &&
nft_rbtree_interval_start(interval)) {
*ext = &interval->ext;
return true;
@@ -154,6 +159,9 @@ static bool __nft_rbtree_get(const struct net *net, const struct nft_set *set,
continue;
}
+ if (nft_set_elem_expired(&rbe->ext))
+ return false;
+
if (!nft_set_ext_exists(&rbe->ext, NFT_SET_EXT_FLAGS) ||
(*nft_set_ext_flags(&rbe->ext) & NFT_SET_ELEM_INTERVAL_END) ==
(flags & NFT_SET_ELEM_INTERVAL_END)) {
@@ -170,6 +178,7 @@ static bool __nft_rbtree_get(const struct net *net, const struct nft_set *set,
if (set->flags & NFT_SET_INTERVAL && interval != NULL &&
nft_set_elem_active(&interval->ext, genmask) &&
+ !nft_set_elem_expired(&interval->ext) &&
((!nft_rbtree_interval_end(interval) &&
!(flags & NFT_SET_ELEM_INTERVAL_END)) ||
(nft_rbtree_interval_end(interval) &&
@@ -418,6 +427,8 @@ static void nft_rbtree_walk(const struct nft_ctx *ctx,
if (iter->count < iter->skip)
goto cont;
+ if (nft_set_elem_expired(&rbe->ext))
+ goto cont;
if (!nft_set_elem_active(&rbe->ext, iter->genmask))
goto cont;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index cd2b034eef59..99a468be4a59 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -1408,15 +1408,9 @@ xt_replace_table(struct xt_table *table,
}
}
-#ifdef CONFIG_AUDIT
- if (audit_enabled) {
- audit_log(audit_context(), GFP_KERNEL,
- AUDIT_NETFILTER_CFG,
- "table=%s family=%u entries=%u",
- table->name, table->af, private->number);
- }
-#endif
-
+ audit_log_nfcfg(table->name, table->af, private->number,
+ !private->number ? AUDIT_XT_OP_REGISTER :
+ AUDIT_XT_OP_REPLACE);
return private;
}
EXPORT_SYMBOL_GPL(xt_replace_table);
@@ -1478,6 +1472,8 @@ void *xt_unregister_table(struct xt_table *table)
private = table->private;
list_del(&table->list);
mutex_unlock(&xt[table->af].mutex);
+ audit_log_nfcfg(table->name, table->af, private->number,
+ AUDIT_XT_OP_UNREGISTER);
kfree(table);
return private;
diff --git a/net/netlabel/Kconfig b/net/netlabel/Kconfig
index 64280a1d3906..07b03c306f28 100644
--- a/net/netlabel/Kconfig
+++ b/net/netlabel/Kconfig
@@ -14,6 +14,6 @@ config NETLABEL
Documentation/netlabel as well as the NetLabel SourceForge project
for configuration tools and additional documentation.
- * http://netlabel.sf.net
+ * https://github.com/netlabel/netlabel_tools
If you are unsure, say N.
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 409a3ae47ce2..5e1239cef000 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -734,6 +734,12 @@ int netlbl_catmap_getlong(struct netlbl_lsm_catmap *catmap,
if ((off & (BITS_PER_LONG - 1)) != 0)
return -EINVAL;
+ /* a null catmap is equivalent to an empty one */
+ if (!catmap) {
+ *offset = (u32)-1;
+ return 0;
+ }
+
if (off < catmap->startbit) {
off = catmap->startbit;
*offset = off;
diff --git a/net/netlink/Makefile b/net/netlink/Makefile
index de42df7f0068..e05202708c90 100644
--- a/net/netlink/Makefile
+++ b/net/netlink/Makefile
@@ -3,7 +3,7 @@
# Makefile for the netlink driver.
#
-obj-y := af_netlink.o genetlink.o
+obj-y := af_netlink.o genetlink.o policy.o
obj-$(CONFIG_NETLINK_DIAG) += netlink_diag.o
netlink_diag-y := diag.o
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 5ded01ca8b20..4f2c3b14ddbf 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2596,7 +2596,7 @@ static void *netlink_seq_next(struct seq_file *seq, void *v, loff_t *pos)
return __netlink_seq_next(seq);
}
-static void netlink_seq_stop(struct seq_file *seq, void *v)
+static void netlink_native_seq_stop(struct seq_file *seq, void *v)
{
struct nl_seq_iter *iter = seq->private;
@@ -2607,7 +2607,7 @@ static void netlink_seq_stop(struct seq_file *seq, void *v)
}
-static int netlink_seq_show(struct seq_file *seq, void *v)
+static int netlink_native_seq_show(struct seq_file *seq, void *v)
{
if (v == SEQ_START_TOKEN) {
seq_puts(seq,
@@ -2634,6 +2634,68 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
return 0;
}
+#ifdef CONFIG_BPF_SYSCALL
+struct bpf_iter__netlink {
+ __bpf_md_ptr(struct bpf_iter_meta *, meta);
+ __bpf_md_ptr(struct netlink_sock *, sk);
+};
+
+DEFINE_BPF_ITER_FUNC(netlink, struct bpf_iter_meta *meta, struct netlink_sock *sk)
+
+static int netlink_prog_seq_show(struct bpf_prog *prog,
+ struct bpf_iter_meta *meta,
+ void *v)
+{
+ struct bpf_iter__netlink ctx;
+
+ meta->seq_num--; /* skip SEQ_START_TOKEN */
+ ctx.meta = meta;
+ ctx.sk = nlk_sk((struct sock *)v);
+ return bpf_iter_run_prog(prog, &ctx);
+}
+
+static int netlink_seq_show(struct seq_file *seq, void *v)
+{
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, false);
+ if (!prog)
+ return netlink_native_seq_show(seq, v);
+
+ if (v != SEQ_START_TOKEN)
+ return netlink_prog_seq_show(prog, &meta, v);
+
+ return 0;
+}
+
+static void netlink_seq_stop(struct seq_file *seq, void *v)
+{
+ struct bpf_iter_meta meta;
+ struct bpf_prog *prog;
+
+ if (!v) {
+ meta.seq = seq;
+ prog = bpf_iter_get_info(&meta, true);
+ if (prog)
+ (void)netlink_prog_seq_show(prog, &meta, v);
+ }
+
+ netlink_native_seq_stop(seq, v);
+}
+#else
+static int netlink_seq_show(struct seq_file *seq, void *v)
+{
+ return netlink_native_seq_show(seq, v);
+}
+
+static void netlink_seq_stop(struct seq_file *seq, void *v)
+{
+ netlink_native_seq_stop(seq, v);
+}
+#endif
+
static const struct seq_operations netlink_seq_ops = {
.start = netlink_seq_start,
.next = netlink_seq_next,
@@ -2740,6 +2802,26 @@ static const struct rhashtable_params netlink_rhashtable_params = {
.automatic_shrinking = true,
};
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+static const struct bpf_iter_reg netlink_reg_info = {
+ .target = "netlink",
+ .seq_ops = &netlink_seq_ops,
+ .init_seq_private = bpf_iter_init_seq_net,
+ .fini_seq_private = bpf_iter_fini_seq_net,
+ .seq_priv_size = sizeof(struct nl_seq_iter),
+ .ctx_arg_info_size = 1,
+ .ctx_arg_info = {
+ { offsetof(struct bpf_iter__netlink, sk),
+ PTR_TO_BTF_ID_OR_NULL },
+ },
+};
+
+static int __init bpf_iter_register(void)
+{
+ return bpf_iter_reg_target(&netlink_reg_info);
+}
+#endif
+
static int __init netlink_proto_init(void)
{
int i;
@@ -2748,6 +2830,12 @@ static int __init netlink_proto_init(void)
if (err != 0)
goto out;
+#if defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_PROC_FS)
+ err = bpf_iter_register();
+ if (err)
+ goto out;
+#endif
+
BUILD_BUG_ON(sizeof(struct netlink_skb_parms) > sizeof_field(struct sk_buff, cb));
nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 9f357aa22b94..2f049692e012 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -1043,6 +1043,80 @@ static int genl_ctrl_event(int event, const struct genl_family *family,
return 0;
}
+static int ctrl_dumppolicy(struct sk_buff *skb, struct netlink_callback *cb)
+{
+ const struct genl_family *rt;
+ unsigned int fam_id = cb->args[0];
+ int err;
+
+ if (!fam_id) {
+ struct nlattr *tb[CTRL_ATTR_MAX + 1];
+
+ err = genlmsg_parse(cb->nlh, &genl_ctrl, tb,
+ genl_ctrl.maxattr,
+ genl_ctrl.policy, cb->extack);
+ if (err)
+ return err;
+
+ if (!tb[CTRL_ATTR_FAMILY_ID] && !tb[CTRL_ATTR_FAMILY_NAME])
+ return -EINVAL;
+
+ if (tb[CTRL_ATTR_FAMILY_ID]) {
+ fam_id = nla_get_u16(tb[CTRL_ATTR_FAMILY_ID]);
+ } else {
+ rt = genl_family_find_byname(
+ nla_data(tb[CTRL_ATTR_FAMILY_NAME]));
+ if (!rt)
+ return -ENOENT;
+ fam_id = rt->id;
+ }
+ }
+
+ rt = genl_family_find_byid(fam_id);
+ if (!rt)
+ return -ENOENT;
+
+ if (!rt->policy)
+ return -ENODATA;
+
+ err = netlink_policy_dump_start(rt->policy, rt->maxattr, &cb->args[1]);
+ if (err)
+ return err;
+
+ while (netlink_policy_dump_loop(&cb->args[1])) {
+ void *hdr;
+ struct nlattr *nest;
+
+ hdr = genlmsg_put(skb, NETLINK_CB(cb->skb).portid,
+ cb->nlh->nlmsg_seq, &genl_ctrl,
+ NLM_F_MULTI, CTRL_CMD_GETPOLICY);
+ if (!hdr)
+ goto nla_put_failure;
+
+ if (nla_put_u16(skb, CTRL_ATTR_FAMILY_ID, rt->id))
+ goto nla_put_failure;
+
+ nest = nla_nest_start(skb, CTRL_ATTR_POLICY);
+ if (!nest)
+ goto nla_put_failure;
+
+ if (netlink_policy_dump_write(skb, cb->args[1]))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+
+ genlmsg_end(skb, hdr);
+ continue;
+
+nla_put_failure:
+ genlmsg_cancel(skb, hdr);
+ break;
+ }
+
+ cb->args[0] = fam_id;
+ return skb->len;
+}
+
static const struct genl_ops genl_ctrl_ops[] = {
{
.cmd = CTRL_CMD_GETFAMILY,
@@ -1050,6 +1124,10 @@ static const struct genl_ops genl_ctrl_ops[] = {
.doit = ctrl_getfamily,
.dumpit = ctrl_dumpfamily,
},
+ {
+ .cmd = CTRL_CMD_GETPOLICY,
+ .dumpit = ctrl_dumppolicy,
+ },
};
static const struct genl_multicast_group genl_ctrl_groups[] = {
diff --git a/net/netlink/policy.c b/net/netlink/policy.c
new file mode 100644
index 000000000000..f6491853c797
--- /dev/null
+++ b/net/netlink/policy.c
@@ -0,0 +1,308 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * NETLINK Policy advertisement to userspace
+ *
+ * Authors: Johannes Berg <johannes@sipsolutions.net>
+ *
+ * Copyright 2019 Intel Corporation
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <net/netlink.h>
+
+#define INITIAL_POLICIES_ALLOC 10
+
+struct nl_policy_dump {
+ unsigned int policy_idx;
+ unsigned int attr_idx;
+ unsigned int n_alloc;
+ struct {
+ const struct nla_policy *policy;
+ unsigned int maxtype;
+ } policies[];
+};
+
+static int add_policy(struct nl_policy_dump **statep,
+ const struct nla_policy *policy,
+ unsigned int maxtype)
+{
+ struct nl_policy_dump *state = *statep;
+ unsigned int n_alloc, i;
+
+ if (!policy || !maxtype)
+ return 0;
+
+ for (i = 0; i < state->n_alloc; i++) {
+ if (state->policies[i].policy == policy)
+ return 0;
+
+ if (!state->policies[i].policy) {
+ state->policies[i].policy = policy;
+ state->policies[i].maxtype = maxtype;
+ return 0;
+ }
+ }
+
+ n_alloc = state->n_alloc + INITIAL_POLICIES_ALLOC;
+ state = krealloc(state, struct_size(state, policies, n_alloc),
+ GFP_KERNEL);
+ if (!state)
+ return -ENOMEM;
+
+ state->policies[state->n_alloc].policy = policy;
+ state->policies[state->n_alloc].maxtype = maxtype;
+ state->n_alloc = n_alloc;
+ *statep = state;
+
+ return 0;
+}
+
+static unsigned int get_policy_idx(struct nl_policy_dump *state,
+ const struct nla_policy *policy)
+{
+ unsigned int i;
+
+ for (i = 0; i < state->n_alloc; i++) {
+ if (state->policies[i].policy == policy)
+ return i;
+ }
+
+ WARN_ON_ONCE(1);
+ return -1;
+}
+
+int netlink_policy_dump_start(const struct nla_policy *policy,
+ unsigned int maxtype,
+ unsigned long *_state)
+{
+ struct nl_policy_dump *state;
+ unsigned int policy_idx;
+ int err;
+
+ /* also returns 0 if "*_state" is our ERR_PTR() end marker */
+ if (*_state)
+ return 0;
+
+ /*
+ * walk the policies and nested ones first, and build
+ * a linear list of them.
+ */
+
+ state = kzalloc(struct_size(state, policies, INITIAL_POLICIES_ALLOC),
+ GFP_KERNEL);
+ if (!state)
+ return -ENOMEM;
+ state->n_alloc = INITIAL_POLICIES_ALLOC;
+
+ err = add_policy(&state, policy, maxtype);
+ if (err)
+ return err;
+
+ for (policy_idx = 0;
+ policy_idx < state->n_alloc && state->policies[policy_idx].policy;
+ policy_idx++) {
+ const struct nla_policy *policy;
+ unsigned int type;
+
+ policy = state->policies[policy_idx].policy;
+
+ for (type = 0;
+ type <= state->policies[policy_idx].maxtype;
+ type++) {
+ switch (policy[type].type) {
+ case NLA_NESTED:
+ case NLA_NESTED_ARRAY:
+ err = add_policy(&state,
+ policy[type].nested_policy,
+ policy[type].len);
+ if (err)
+ return err;
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ *_state = (unsigned long)state;
+
+ return 0;
+}
+
+static bool netlink_policy_dump_finished(struct nl_policy_dump *state)
+{
+ return state->policy_idx >= state->n_alloc ||
+ !state->policies[state->policy_idx].policy;
+}
+
+bool netlink_policy_dump_loop(unsigned long *_state)
+{
+ struct nl_policy_dump *state = (void *)*_state;
+
+ if (IS_ERR(state))
+ return false;
+
+ if (netlink_policy_dump_finished(state)) {
+ kfree(state);
+ /* store end marker instead of freed state */
+ *_state = (unsigned long)ERR_PTR(-ENOENT);
+ return false;
+ }
+
+ return true;
+}
+
+int netlink_policy_dump_write(struct sk_buff *skb, unsigned long _state)
+{
+ struct nl_policy_dump *state = (void *)_state;
+ const struct nla_policy *pt;
+ struct nlattr *policy, *attr;
+ enum netlink_attribute_type type;
+ bool again;
+
+send_attribute:
+ again = false;
+
+ pt = &state->policies[state->policy_idx].policy[state->attr_idx];
+
+ policy = nla_nest_start(skb, state->policy_idx);
+ if (!policy)
+ return -ENOBUFS;
+
+ attr = nla_nest_start(skb, state->attr_idx);
+ if (!attr)
+ goto nla_put_failure;
+
+ switch (pt->type) {
+ default:
+ case NLA_UNSPEC:
+ case NLA_REJECT:
+ /* skip - use NLA_MIN_LEN to advertise such */
+ nla_nest_cancel(skb, policy);
+ again = true;
+ goto next;
+ case NLA_NESTED:
+ type = NL_ATTR_TYPE_NESTED;
+ /* fall through */
+ case NLA_NESTED_ARRAY:
+ if (pt->type == NLA_NESTED_ARRAY)
+ type = NL_ATTR_TYPE_NESTED_ARRAY;
+ if (pt->nested_policy && pt->len &&
+ (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_POLICY_IDX,
+ get_policy_idx(state, pt->nested_policy)) ||
+ nla_put_u32(skb, NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE,
+ pt->len)))
+ goto nla_put_failure;
+ break;
+ case NLA_U8:
+ case NLA_U16:
+ case NLA_U32:
+ case NLA_U64:
+ case NLA_MSECS: {
+ struct netlink_range_validation range;
+
+ if (pt->type == NLA_U8)
+ type = NL_ATTR_TYPE_U8;
+ else if (pt->type == NLA_U16)
+ type = NL_ATTR_TYPE_U16;
+ else if (pt->type == NLA_U32)
+ type = NL_ATTR_TYPE_U32;
+ else
+ type = NL_ATTR_TYPE_U64;
+
+ nla_get_range_unsigned(pt, &range);
+
+ if (nla_put_u64_64bit(skb, NL_POLICY_TYPE_ATTR_MIN_VALUE_U,
+ range.min, NL_POLICY_TYPE_ATTR_PAD) ||
+ nla_put_u64_64bit(skb, NL_POLICY_TYPE_ATTR_MAX_VALUE_U,
+ range.max, NL_POLICY_TYPE_ATTR_PAD))
+ goto nla_put_failure;
+ break;
+ }
+ case NLA_S8:
+ case NLA_S16:
+ case NLA_S32:
+ case NLA_S64: {
+ struct netlink_range_validation_signed range;
+
+ if (pt->type == NLA_S8)
+ type = NL_ATTR_TYPE_S8;
+ else if (pt->type == NLA_S16)
+ type = NL_ATTR_TYPE_S16;
+ else if (pt->type == NLA_S32)
+ type = NL_ATTR_TYPE_S32;
+ else
+ type = NL_ATTR_TYPE_S64;
+
+ nla_get_range_signed(pt, &range);
+
+ if (nla_put_s64(skb, NL_POLICY_TYPE_ATTR_MIN_VALUE_S,
+ range.min, NL_POLICY_TYPE_ATTR_PAD) ||
+ nla_put_s64(skb, NL_POLICY_TYPE_ATTR_MAX_VALUE_S,
+ range.max, NL_POLICY_TYPE_ATTR_PAD))
+ goto nla_put_failure;
+ break;
+ }
+ case NLA_BITFIELD32:
+ type = NL_ATTR_TYPE_BITFIELD32;
+ if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_BITFIELD32_MASK,
+ pt->bitfield32_valid))
+ goto nla_put_failure;
+ break;
+ case NLA_EXACT_LEN:
+ type = NL_ATTR_TYPE_BINARY;
+ if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MIN_LENGTH, pt->len) ||
+ nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH, pt->len))
+ goto nla_put_failure;
+ break;
+ case NLA_STRING:
+ case NLA_NUL_STRING:
+ case NLA_BINARY:
+ if (pt->type == NLA_STRING)
+ type = NL_ATTR_TYPE_STRING;
+ else if (pt->type == NLA_NUL_STRING)
+ type = NL_ATTR_TYPE_NUL_STRING;
+ else
+ type = NL_ATTR_TYPE_BINARY;
+ if (pt->len && nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MAX_LENGTH,
+ pt->len))
+ goto nla_put_failure;
+ break;
+ case NLA_MIN_LEN:
+ type = NL_ATTR_TYPE_BINARY;
+ if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_MIN_LENGTH, pt->len))
+ goto nla_put_failure;
+ break;
+ case NLA_FLAG:
+ type = NL_ATTR_TYPE_FLAG;
+ break;
+ }
+
+ if (nla_put_u32(skb, NL_POLICY_TYPE_ATTR_TYPE, type))
+ goto nla_put_failure;
+
+ /* finish and move state to next attribute */
+ nla_nest_end(skb, attr);
+ nla_nest_end(skb, policy);
+
+next:
+ state->attr_idx += 1;
+ if (state->attr_idx > state->policies[state->policy_idx].maxtype) {
+ state->attr_idx = 0;
+ state->policy_idx++;
+ }
+
+ if (again) {
+ if (netlink_policy_dump_finished(state))
+ return -ENODATA;
+ goto send_attribute;
+ }
+
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, policy);
+ return -ENOBUFS;
+}
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 7b1a74f74aad..eccc7d366e17 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -64,6 +64,26 @@ static DEFINE_SPINLOCK(nr_list_lock);
static const struct proto_ops nr_proto_ops;
/*
+ * NETROM network devices are virtual network devices encapsulating NETROM
+ * frames into AX.25 which will be sent through an AX.25 device, so form a
+ * special "super class" of normal net devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key nr_netdev_xmit_lock_key;
+
+static void nr_set_lockdep_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &nr_netdev_xmit_lock_key);
+}
+
+static void nr_set_lockdep_key(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, nr_set_lockdep_one, NULL);
+}
+
+/*
* Socket removal during an interrupt is now safe.
*/
static void nr_remove_socket(struct sock *sk)
@@ -1394,6 +1414,7 @@ static int __init nr_proto_init(void)
free_netdev(dev);
goto fail;
}
+ nr_set_lockdep_key(dev);
dev_nr[i] = dev;
}
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 79f12d8c7b86..0891ee02ca4f 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -208,6 +208,7 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
/* refcount initialized at 1 */
spin_unlock_bh(&nr_node_list_lock);
+ nr_neigh_put(nr_neigh);
return 0;
}
nr_node_lock(nr_node);
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index e726159cfcfa..4340f25fe390 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -1895,7 +1895,8 @@ static void ovs_ct_limit_exit(struct net *net, struct ovs_net *ovs_net)
struct hlist_head *head = &info->limits[i];
struct ovs_ct_limit *ct_limit;
- hlist_for_each_entry_rcu(ct_limit, head, hlist_node)
+ hlist_for_each_entry_rcu(ct_limit, head, hlist_node,
+ lockdep_ovsl_is_held())
kfree_rcu(ct_limit, rcu);
}
kfree(ovs_net->ct_limit_info->limits);
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index d8ae541d22a8..94b024534987 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -2466,8 +2466,10 @@ static void __net_exit ovs_exit_net(struct net *dnet)
struct net *net;
LIST_HEAD(head);
- ovs_ct_exit(dnet);
ovs_lock();
+
+ ovs_ct_exit(dnet);
+
list_for_each_entry_safe(dp, dp_next, &ovs_net->dps, list_node)
__dp_destroy(dp);
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index e239a46c2f94..2016dd107939 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -82,7 +82,7 @@ struct datapath {
u32 max_headroom;
/* Switch meters. */
- struct hlist_head *meters;
+ struct dp_meter_table meter_tbl;
};
/**
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index 5010d1ddd4bd..3d3d8e094546 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -12,6 +12,7 @@
#include <linux/openvswitch.h>
#include <linux/netlink.h>
#include <linux/rculist.h>
+#include <linux/swap.h>
#include <net/netlink.h>
#include <net/genetlink.h>
@@ -19,8 +20,6 @@
#include "datapath.h"
#include "meter.h"
-#define METER_HASH_BUCKETS 1024
-
static const struct nla_policy meter_policy[OVS_METER_ATTR_MAX + 1] = {
[OVS_METER_ATTR_ID] = { .type = NLA_U32, },
[OVS_METER_ATTR_KBPS] = { .type = NLA_FLAG },
@@ -39,6 +38,11 @@ static const struct nla_policy band_policy[OVS_BAND_ATTR_MAX + 1] = {
[OVS_BAND_ATTR_STATS] = { .len = sizeof(struct ovs_flow_stats) },
};
+static u32 meter_hash(struct dp_meter_instance *ti, u32 id)
+{
+ return id % ti->n_meters;
+}
+
static void ovs_meter_free(struct dp_meter *meter)
{
if (!meter)
@@ -47,40 +51,162 @@ static void ovs_meter_free(struct dp_meter *meter)
kfree_rcu(meter, rcu);
}
-static struct hlist_head *meter_hash_bucket(const struct datapath *dp,
- u32 meter_id)
-{
- return &dp->meters[meter_id & (METER_HASH_BUCKETS - 1)];
-}
-
/* Call with ovs_mutex or RCU read lock. */
-static struct dp_meter *lookup_meter(const struct datapath *dp,
+static struct dp_meter *lookup_meter(const struct dp_meter_table *tbl,
u32 meter_id)
{
+ struct dp_meter_instance *ti = rcu_dereference_ovsl(tbl->ti);
+ u32 hash = meter_hash(ti, meter_id);
struct dp_meter *meter;
- struct hlist_head *head;
- head = meter_hash_bucket(dp, meter_id);
- hlist_for_each_entry_rcu(meter, head, dp_hash_node,
- lockdep_ovsl_is_held()) {
- if (meter->id == meter_id)
- return meter;
- }
+ meter = rcu_dereference_ovsl(ti->dp_meters[hash]);
+ if (meter && likely(meter->id == meter_id))
+ return meter;
+
return NULL;
}
-static void attach_meter(struct datapath *dp, struct dp_meter *meter)
+static struct dp_meter_instance *dp_meter_instance_alloc(const u32 size)
+{
+ struct dp_meter_instance *ti;
+
+ ti = kvzalloc(sizeof(*ti) +
+ sizeof(struct dp_meter *) * size,
+ GFP_KERNEL);
+ if (!ti)
+ return NULL;
+
+ ti->n_meters = size;
+
+ return ti;
+}
+
+static void dp_meter_instance_free(struct dp_meter_instance *ti)
+{
+ kvfree(ti);
+}
+
+static void dp_meter_instance_free_rcu(struct rcu_head *rcu)
{
- struct hlist_head *head = meter_hash_bucket(dp, meter->id);
+ struct dp_meter_instance *ti;
- hlist_add_head_rcu(&meter->dp_hash_node, head);
+ ti = container_of(rcu, struct dp_meter_instance, rcu);
+ kvfree(ti);
}
-static void detach_meter(struct dp_meter *meter)
+static int
+dp_meter_instance_realloc(struct dp_meter_table *tbl, u32 size)
+{
+ struct dp_meter_instance *ti = rcu_dereference_ovsl(tbl->ti);
+ int n_meters = min(size, ti->n_meters);
+ struct dp_meter_instance *new_ti;
+ int i;
+
+ new_ti = dp_meter_instance_alloc(size);
+ if (!new_ti)
+ return -ENOMEM;
+
+ for (i = 0; i < n_meters; i++)
+ if (rcu_dereference_ovsl(ti->dp_meters[i]))
+ new_ti->dp_meters[i] = ti->dp_meters[i];
+
+ rcu_assign_pointer(tbl->ti, new_ti);
+ call_rcu(&ti->rcu, dp_meter_instance_free_rcu);
+
+ return 0;
+}
+
+static void dp_meter_instance_insert(struct dp_meter_instance *ti,
+ struct dp_meter *meter)
+{
+ u32 hash;
+
+ hash = meter_hash(ti, meter->id);
+ rcu_assign_pointer(ti->dp_meters[hash], meter);
+}
+
+static void dp_meter_instance_remove(struct dp_meter_instance *ti,
+ struct dp_meter *meter)
{
+ u32 hash;
+
+ hash = meter_hash(ti, meter->id);
+ RCU_INIT_POINTER(ti->dp_meters[hash], NULL);
+}
+
+static int attach_meter(struct dp_meter_table *tbl, struct dp_meter *meter)
+{
+ struct dp_meter_instance *ti = rcu_dereference_ovsl(tbl->ti);
+ u32 hash = meter_hash(ti, meter->id);
+ int err;
+
+ /* In generally, slots selected should be empty, because
+ * OvS uses id-pool to fetch a available id.
+ */
+ if (unlikely(rcu_dereference_ovsl(ti->dp_meters[hash])))
+ return -EBUSY;
+
+ dp_meter_instance_insert(ti, meter);
+
+ /* That function is thread-safe. */
+ tbl->count++;
+ if (tbl->count >= tbl->max_meters_allowed) {
+ err = -EFBIG;
+ goto attach_err;
+ }
+
+ if (tbl->count >= ti->n_meters &&
+ dp_meter_instance_realloc(tbl, ti->n_meters * 2)) {
+ err = -ENOMEM;
+ goto attach_err;
+ }
+
+ return 0;
+
+attach_err:
+ dp_meter_instance_remove(ti, meter);
+ tbl->count--;
+ return err;
+}
+
+static int detach_meter(struct dp_meter_table *tbl, struct dp_meter *meter)
+{
+ struct dp_meter_instance *ti;
+
ASSERT_OVSL();
- if (meter)
- hlist_del_rcu(&meter->dp_hash_node);
+ if (!meter)
+ return 0;
+
+ ti = rcu_dereference_ovsl(tbl->ti);
+ dp_meter_instance_remove(ti, meter);
+
+ tbl->count--;
+
+ /* Shrink the meter array if necessary. */
+ if (ti->n_meters > DP_METER_ARRAY_SIZE_MIN &&
+ tbl->count <= (ti->n_meters / 4)) {
+ int half_size = ti->n_meters / 2;
+ int i;
+
+ /* Avoid hash collision, don't move slots to other place.
+ * Make sure there are no references of meters in array
+ * which will be released.
+ */
+ for (i = half_size; i < ti->n_meters; i++)
+ if (rcu_dereference_ovsl(ti->dp_meters[i]))
+ goto out;
+
+ if (dp_meter_instance_realloc(tbl, half_size))
+ goto shrink_err;
+ }
+
+out:
+ return 0;
+
+shrink_err:
+ dp_meter_instance_insert(ti, meter);
+ tbl->count++;
+ return -ENOMEM;
}
static struct sk_buff *
@@ -116,12 +242,11 @@ static int ovs_meter_cmd_reply_stats(struct sk_buff *reply, u32 meter_id,
if (nla_put_u32(reply, OVS_METER_ATTR_ID, meter_id))
goto error;
- if (!meter)
- return 0;
-
if (nla_put(reply, OVS_METER_ATTR_STATS,
- sizeof(struct ovs_flow_stats), &meter->stats) ||
- nla_put_u64_64bit(reply, OVS_METER_ATTR_USED, meter->used,
+ sizeof(struct ovs_flow_stats), &meter->stats))
+ goto error;
+
+ if (nla_put_u64_64bit(reply, OVS_METER_ATTR_USED, meter->used,
OVS_METER_ATTR_PAD))
goto error;
@@ -150,18 +275,32 @@ error:
static int ovs_meter_cmd_features(struct sk_buff *skb, struct genl_info *info)
{
- struct sk_buff *reply;
+ struct ovs_header *ovs_header = info->userhdr;
struct ovs_header *ovs_reply_header;
struct nlattr *nla, *band_nla;
- int err;
+ struct sk_buff *reply;
+ struct datapath *dp;
+ int err = -EMSGSIZE;
reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_FEATURES,
&ovs_reply_header);
if (IS_ERR(reply))
return PTR_ERR(reply);
- if (nla_put_u32(reply, OVS_METER_ATTR_MAX_METERS, U32_MAX) ||
- nla_put_u32(reply, OVS_METER_ATTR_MAX_BANDS, DP_MAX_BANDS))
+ ovs_lock();
+ dp = get_dp(sock_net(skb->sk), ovs_header->dp_ifindex);
+ if (!dp) {
+ err = -ENODEV;
+ goto exit_unlock;
+ }
+
+ if (nla_put_u32(reply, OVS_METER_ATTR_MAX_METERS,
+ dp->meter_tbl.max_meters_allowed))
+ goto exit_unlock;
+
+ ovs_unlock();
+
+ if (nla_put_u32(reply, OVS_METER_ATTR_MAX_BANDS, DP_MAX_BANDS))
goto nla_put_failure;
nla = nla_nest_start_noflag(reply, OVS_METER_ATTR_BANDS);
@@ -180,9 +319,10 @@ static int ovs_meter_cmd_features(struct sk_buff *skb, struct genl_info *info)
genlmsg_end(reply, ovs_reply_header);
return genlmsg_reply(reply, info);
+exit_unlock:
+ ovs_unlock();
nla_put_failure:
nlmsg_free(reply);
- err = -EMSGSIZE;
return err;
}
@@ -252,8 +392,8 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
*
* Start with a full bucket.
*/
- band->bucket = (band->burst_size + band->rate) * 1000;
- band_max_delta_t = band->bucket / band->rate;
+ band->bucket = (band->burst_size + band->rate) * 1000ULL;
+ band_max_delta_t = div_u64(band->bucket, band->rate);
if (band_max_delta_t > meter->max_delta_t)
meter->max_delta_t = band_max_delta_t;
band++;
@@ -273,14 +413,14 @@ static int ovs_meter_cmd_set(struct sk_buff *skb, struct genl_info *info)
struct sk_buff *reply;
struct ovs_header *ovs_reply_header;
struct ovs_header *ovs_header = info->userhdr;
+ struct dp_meter_table *meter_tbl;
struct datapath *dp;
int err;
u32 meter_id;
bool failed;
- if (!a[OVS_METER_ATTR_ID]) {
- return -ENODEV;
- }
+ if (!a[OVS_METER_ATTR_ID])
+ return -EINVAL;
meter = dp_meter_create(a);
if (IS_ERR_OR_NULL(meter))
@@ -300,12 +440,18 @@ static int ovs_meter_cmd_set(struct sk_buff *skb, struct genl_info *info)
goto exit_unlock;
}
+ meter_tbl = &dp->meter_tbl;
meter_id = nla_get_u32(a[OVS_METER_ATTR_ID]);
- /* Cannot fail after this. */
- old_meter = lookup_meter(dp, meter_id);
- detach_meter(old_meter);
- attach_meter(dp, meter);
+ old_meter = lookup_meter(meter_tbl, meter_id);
+ err = detach_meter(meter_tbl, old_meter);
+ if (err)
+ goto exit_unlock;
+
+ err = attach_meter(meter_tbl, meter);
+ if (err)
+ goto exit_unlock;
+
ovs_unlock();
/* Build response with the meter_id and stats from
@@ -337,14 +483,14 @@ exit_free_meter:
static int ovs_meter_cmd_get(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr **a = info->attrs;
- u32 meter_id;
struct ovs_header *ovs_header = info->userhdr;
struct ovs_header *ovs_reply_header;
+ struct nlattr **a = info->attrs;
+ struct dp_meter *meter;
+ struct sk_buff *reply;
struct datapath *dp;
+ u32 meter_id;
int err;
- struct sk_buff *reply;
- struct dp_meter *meter;
if (!a[OVS_METER_ATTR_ID])
return -EINVAL;
@@ -365,7 +511,7 @@ static int ovs_meter_cmd_get(struct sk_buff *skb, struct genl_info *info)
}
/* Locate meter, copy stats. */
- meter = lookup_meter(dp, meter_id);
+ meter = lookup_meter(&dp->meter_tbl, meter_id);
if (!meter) {
err = -ENOENT;
goto exit_unlock;
@@ -390,18 +536,17 @@ exit_unlock:
static int ovs_meter_cmd_del(struct sk_buff *skb, struct genl_info *info)
{
- struct nlattr **a = info->attrs;
- u32 meter_id;
struct ovs_header *ovs_header = info->userhdr;
struct ovs_header *ovs_reply_header;
+ struct nlattr **a = info->attrs;
+ struct dp_meter *old_meter;
+ struct sk_buff *reply;
struct datapath *dp;
+ u32 meter_id;
int err;
- struct sk_buff *reply;
- struct dp_meter *old_meter;
if (!a[OVS_METER_ATTR_ID])
return -EINVAL;
- meter_id = nla_get_u32(a[OVS_METER_ATTR_ID]);
reply = ovs_meter_cmd_reply_start(info, OVS_METER_CMD_DEL,
&ovs_reply_header);
@@ -416,14 +561,19 @@ static int ovs_meter_cmd_del(struct sk_buff *skb, struct genl_info *info)
goto exit_unlock;
}
- old_meter = lookup_meter(dp, meter_id);
+ meter_id = nla_get_u32(a[OVS_METER_ATTR_ID]);
+ old_meter = lookup_meter(&dp->meter_tbl, meter_id);
if (old_meter) {
spin_lock_bh(&old_meter->lock);
err = ovs_meter_cmd_reply_stats(reply, meter_id, old_meter);
WARN_ON(err);
spin_unlock_bh(&old_meter->lock);
- detach_meter(old_meter);
+
+ err = detach_meter(&dp->meter_tbl, old_meter);
+ if (err)
+ goto exit_unlock;
}
+
ovs_unlock();
ovs_meter_free(old_meter);
genlmsg_end(reply, ovs_reply_header);
@@ -443,16 +593,16 @@ exit_unlock:
bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
struct sw_flow_key *key, u32 meter_id)
{
- struct dp_meter *meter;
- struct dp_meter_band *band;
long long int now_ms = div_u64(ktime_get_ns(), 1000 * 1000);
long long int long_delta_ms;
- u32 delta_ms;
- u32 cost;
+ struct dp_meter_band *band;
+ struct dp_meter *meter;
int i, band_exceeded_max = -1;
u32 band_exceeded_rate = 0;
+ u32 delta_ms;
+ u32 cost;
- meter = lookup_meter(dp, meter_id);
+ meter = lookup_meter(&dp->meter_tbl, meter_id);
/* Do not drop the packet when there is no meter. */
if (!meter)
return false;
@@ -570,32 +720,39 @@ struct genl_family dp_meter_genl_family __ro_after_init = {
int ovs_meters_init(struct datapath *dp)
{
- int i;
-
- dp->meters = kmalloc_array(METER_HASH_BUCKETS,
- sizeof(struct hlist_head), GFP_KERNEL);
+ struct dp_meter_table *tbl = &dp->meter_tbl;
+ struct dp_meter_instance *ti;
+ unsigned long free_mem_bytes;
- if (!dp->meters)
+ ti = dp_meter_instance_alloc(DP_METER_ARRAY_SIZE_MIN);
+ if (!ti)
return -ENOMEM;
- for (i = 0; i < METER_HASH_BUCKETS; i++)
- INIT_HLIST_HEAD(&dp->meters[i]);
+ /* Allow meters in a datapath to use ~3.12% of physical memory. */
+ free_mem_bytes = nr_free_buffer_pages() * (PAGE_SIZE >> 5);
+ tbl->max_meters_allowed = min(free_mem_bytes / sizeof(struct dp_meter),
+ DP_METER_NUM_MAX);
+ if (!tbl->max_meters_allowed)
+ goto out_err;
+
+ rcu_assign_pointer(tbl->ti, ti);
+ tbl->count = 0;
return 0;
+
+out_err:
+ dp_meter_instance_free(ti);
+ return -ENOMEM;
}
void ovs_meters_exit(struct datapath *dp)
{
+ struct dp_meter_table *tbl = &dp->meter_tbl;
+ struct dp_meter_instance *ti = rcu_dereference_raw(tbl->ti);
int i;
- for (i = 0; i < METER_HASH_BUCKETS; i++) {
- struct hlist_head *head = &dp->meters[i];
- struct dp_meter *meter;
- struct hlist_node *n;
-
- hlist_for_each_entry_safe(meter, n, head, dp_hash_node)
- kfree(meter);
- }
+ for (i = 0; i < ti->n_meters; i++)
+ ovs_meter_free(rcu_dereference_raw(ti->dp_meters[i]));
- kfree(dp->meters);
+ dp_meter_instance_free(ti);
}
diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h
index f645913870bd..0c33889a8515 100644
--- a/net/openvswitch/meter.h
+++ b/net/openvswitch/meter.h
@@ -13,26 +13,26 @@
#include <linux/openvswitch.h>
#include <linux/genetlink.h>
#include <linux/skbuff.h>
+#include <linux/bits.h>
#include "flow.h"
struct datapath;
#define DP_MAX_BANDS 1
+#define DP_METER_ARRAY_SIZE_MIN BIT_ULL(10)
+#define DP_METER_NUM_MAX (200000UL)
struct dp_meter_band {
u32 type;
u32 rate;
u32 burst_size;
- u32 bucket; /* 1/1000 packets, or in bits */
+ u64 bucket; /* 1/1000 packets, or in bits */
struct ovs_flow_stats stats;
};
struct dp_meter {
spinlock_t lock; /* Per meter lock */
struct rcu_head rcu;
- struct hlist_node dp_hash_node; /*Element in datapath->meters
- * hash table.
- */
u32 id;
u16 kbps:1, keep_stats:1;
u16 n_bands;
@@ -42,6 +42,18 @@ struct dp_meter {
struct dp_meter_band bands[];
};
+struct dp_meter_instance {
+ struct rcu_head rcu;
+ u32 n_meters;
+ struct dp_meter __rcu *dp_meters[];
+};
+
+struct dp_meter_table {
+ struct dp_meter_instance __rcu *ti;
+ u32 count;
+ u32 max_meters_allowed;
+};
+
extern struct genl_family dp_meter_genl_family;
int ovs_meters_init(struct datapath *dp);
void ovs_meters_exit(struct datapath *dp);
diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c
index 251e750fd9aa..0d0bf41381c2 100644
--- a/net/phonet/sysctl.c
+++ b/net/phonet/sysctl.c
@@ -49,8 +49,7 @@ void phonet_get_local_port_range(int *min, int *max)
}
static int proc_local_port_range(struct ctl_table *table, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
int range[2] = {local_port_range[0], local_port_range[1]};
diff --git a/net/psample/psample.c b/net/psample/psample.c
index 6f2fbc6b9eb2..a042261a45c5 100644
--- a/net/psample/psample.c
+++ b/net/psample/psample.c
@@ -14,6 +14,8 @@
#include <net/genetlink.h>
#include <net/psample.h>
#include <linux/spinlock.h>
+#include <net/ip_tunnels.h>
+#include <net/dst_metadata.h>
#define PSAMPLE_MAX_PACKET_SIZE 0xffff
@@ -207,10 +209,159 @@ void psample_group_put(struct psample_group *group)
}
EXPORT_SYMBOL_GPL(psample_group_put);
+#ifdef CONFIG_INET
+static int __psample_ip_tun_to_nlattr(struct sk_buff *skb,
+ struct ip_tunnel_info *tun_info)
+{
+ unsigned short tun_proto = ip_tunnel_info_af(tun_info);
+ const void *tun_opts = ip_tunnel_info_opts(tun_info);
+ const struct ip_tunnel_key *tun_key = &tun_info->key;
+ int tun_opts_len = tun_info->options_len;
+
+ if (tun_key->tun_flags & TUNNEL_KEY &&
+ nla_put_be64(skb, PSAMPLE_TUNNEL_KEY_ATTR_ID, tun_key->tun_id,
+ PSAMPLE_TUNNEL_KEY_ATTR_PAD))
+ return -EMSGSIZE;
+
+ if (tun_info->mode & IP_TUNNEL_INFO_BRIDGE &&
+ nla_put_flag(skb, PSAMPLE_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE))
+ return -EMSGSIZE;
+
+ switch (tun_proto) {
+ case AF_INET:
+ if (tun_key->u.ipv4.src &&
+ nla_put_in_addr(skb, PSAMPLE_TUNNEL_KEY_ATTR_IPV4_SRC,
+ tun_key->u.ipv4.src))
+ return -EMSGSIZE;
+ if (tun_key->u.ipv4.dst &&
+ nla_put_in_addr(skb, PSAMPLE_TUNNEL_KEY_ATTR_IPV4_DST,
+ tun_key->u.ipv4.dst))
+ return -EMSGSIZE;
+ break;
+ case AF_INET6:
+ if (!ipv6_addr_any(&tun_key->u.ipv6.src) &&
+ nla_put_in6_addr(skb, PSAMPLE_TUNNEL_KEY_ATTR_IPV6_SRC,
+ &tun_key->u.ipv6.src))
+ return -EMSGSIZE;
+ if (!ipv6_addr_any(&tun_key->u.ipv6.dst) &&
+ nla_put_in6_addr(skb, PSAMPLE_TUNNEL_KEY_ATTR_IPV6_DST,
+ &tun_key->u.ipv6.dst))
+ return -EMSGSIZE;
+ break;
+ }
+ if (tun_key->tos &&
+ nla_put_u8(skb, PSAMPLE_TUNNEL_KEY_ATTR_TOS, tun_key->tos))
+ return -EMSGSIZE;
+ if (nla_put_u8(skb, PSAMPLE_TUNNEL_KEY_ATTR_TTL, tun_key->ttl))
+ return -EMSGSIZE;
+ if ((tun_key->tun_flags & TUNNEL_DONT_FRAGMENT) &&
+ nla_put_flag(skb, PSAMPLE_TUNNEL_KEY_ATTR_DONT_FRAGMENT))
+ return -EMSGSIZE;
+ if ((tun_key->tun_flags & TUNNEL_CSUM) &&
+ nla_put_flag(skb, PSAMPLE_TUNNEL_KEY_ATTR_CSUM))
+ return -EMSGSIZE;
+ if (tun_key->tp_src &&
+ nla_put_be16(skb, PSAMPLE_TUNNEL_KEY_ATTR_TP_SRC, tun_key->tp_src))
+ return -EMSGSIZE;
+ if (tun_key->tp_dst &&
+ nla_put_be16(skb, PSAMPLE_TUNNEL_KEY_ATTR_TP_DST, tun_key->tp_dst))
+ return -EMSGSIZE;
+ if ((tun_key->tun_flags & TUNNEL_OAM) &&
+ nla_put_flag(skb, PSAMPLE_TUNNEL_KEY_ATTR_OAM))
+ return -EMSGSIZE;
+ if (tun_opts_len) {
+ if (tun_key->tun_flags & TUNNEL_GENEVE_OPT &&
+ nla_put(skb, PSAMPLE_TUNNEL_KEY_ATTR_GENEVE_OPTS,
+ tun_opts_len, tun_opts))
+ return -EMSGSIZE;
+ else if (tun_key->tun_flags & TUNNEL_ERSPAN_OPT &&
+ nla_put(skb, PSAMPLE_TUNNEL_KEY_ATTR_ERSPAN_OPTS,
+ tun_opts_len, tun_opts))
+ return -EMSGSIZE;
+ }
+
+ return 0;
+}
+
+static int psample_ip_tun_to_nlattr(struct sk_buff *skb,
+ struct ip_tunnel_info *tun_info)
+{
+ struct nlattr *nla;
+ int err;
+
+ nla = nla_nest_start_noflag(skb, PSAMPLE_ATTR_TUNNEL);
+ if (!nla)
+ return -EMSGSIZE;
+
+ err = __psample_ip_tun_to_nlattr(skb, tun_info);
+ if (err) {
+ nla_nest_cancel(skb, nla);
+ return err;
+ }
+
+ nla_nest_end(skb, nla);
+
+ return 0;
+}
+
+static int psample_tunnel_meta_len(struct ip_tunnel_info *tun_info)
+{
+ unsigned short tun_proto = ip_tunnel_info_af(tun_info);
+ const struct ip_tunnel_key *tun_key = &tun_info->key;
+ int tun_opts_len = tun_info->options_len;
+ int sum = 0;
+
+ if (tun_key->tun_flags & TUNNEL_KEY)
+ sum += nla_total_size(sizeof(u64));
+
+ if (tun_info->mode & IP_TUNNEL_INFO_BRIDGE)
+ sum += nla_total_size(0);
+
+ switch (tun_proto) {
+ case AF_INET:
+ if (tun_key->u.ipv4.src)
+ sum += nla_total_size(sizeof(u32));
+ if (tun_key->u.ipv4.dst)
+ sum += nla_total_size(sizeof(u32));
+ break;
+ case AF_INET6:
+ if (!ipv6_addr_any(&tun_key->u.ipv6.src))
+ sum += nla_total_size(sizeof(struct in6_addr));
+ if (!ipv6_addr_any(&tun_key->u.ipv6.dst))
+ sum += nla_total_size(sizeof(struct in6_addr));
+ break;
+ }
+ if (tun_key->tos)
+ sum += nla_total_size(sizeof(u8));
+ sum += nla_total_size(sizeof(u8)); /* TTL */
+ if (tun_key->tun_flags & TUNNEL_DONT_FRAGMENT)
+ sum += nla_total_size(0);
+ if (tun_key->tun_flags & TUNNEL_CSUM)
+ sum += nla_total_size(0);
+ if (tun_key->tp_src)
+ sum += nla_total_size(sizeof(u16));
+ if (tun_key->tp_dst)
+ sum += nla_total_size(sizeof(u16));
+ if (tun_key->tun_flags & TUNNEL_OAM)
+ sum += nla_total_size(0);
+ if (tun_opts_len) {
+ if (tun_key->tun_flags & TUNNEL_GENEVE_OPT)
+ sum += nla_total_size(tun_opts_len);
+ else if (tun_key->tun_flags & TUNNEL_ERSPAN_OPT)
+ sum += nla_total_size(tun_opts_len);
+ }
+
+ return sum;
+}
+#endif
+
void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
u32 trunc_size, int in_ifindex, int out_ifindex,
u32 sample_rate)
{
+#ifdef CONFIG_INET
+ struct ip_tunnel_info *tun_info;
+#endif
struct sk_buff *nl_skb;
int data_len;
int meta_len;
@@ -224,6 +375,12 @@ void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
nla_total_size(sizeof(u32)) + /* group_num */
nla_total_size(sizeof(u32)); /* seq */
+#ifdef CONFIG_INET
+ tun_info = skb_tunnel_info(skb);
+ if (tun_info)
+ meta_len += psample_tunnel_meta_len(tun_info);
+#endif
+
data_len = min(skb->len, trunc_size);
if (meta_len + nla_total_size(data_len) > PSAMPLE_MAX_PACKET_SIZE)
data_len = PSAMPLE_MAX_PACKET_SIZE - meta_len - NLA_HDRLEN
@@ -278,6 +435,14 @@ void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
goto error;
}
+#ifdef CONFIG_INET
+ if (tun_info) {
+ ret = psample_ip_tun_to_nlattr(nl_skb, tun_info);
+ if (unlikely(ret < 0))
+ goto error;
+ }
+#endif
+
genlmsg_end(nl_skb, data);
genlmsg_multicast_netns(&psample_nl_family, group->net, nl_skb, 0,
PSAMPLE_NL_MCGRP_SAMPLE, GFP_ATOMIC);
diff --git a/net/qrtr/Kconfig b/net/qrtr/Kconfig
index 63f89cc6e82c..f362ca316015 100644
--- a/net/qrtr/Kconfig
+++ b/net/qrtr/Kconfig
@@ -4,7 +4,6 @@
config QRTR
tristate "Qualcomm IPC Router support"
- depends on ARCH_QCOM || COMPILE_TEST
---help---
Say Y if you intend to use Qualcomm IPC router protocol. The
protocol is used to communicate with services provided by other
@@ -29,4 +28,11 @@ config QRTR_TUN
implement endpoints of QRTR, for purpose of tunneling data to other
hosts or testing purposes.
+config QRTR_MHI
+ tristate "MHI IPC Router channels"
+ depends on MHI_BUS
+ help
+ Say Y here to support MHI based ipcrouter channels. MHI is the
+ transport used for communicating to external modems.
+
endif # QRTR
diff --git a/net/qrtr/Makefile b/net/qrtr/Makefile
index 32d4e923925d..1b1411d158a7 100644
--- a/net/qrtr/Makefile
+++ b/net/qrtr/Makefile
@@ -5,3 +5,5 @@ obj-$(CONFIG_QRTR_SMD) += qrtr-smd.o
qrtr-smd-y := smd.o
obj-$(CONFIG_QRTR_TUN) += qrtr-tun.o
qrtr-tun-y := tun.o
+obj-$(CONFIG_QRTR_MHI) += qrtr-mhi.o
+qrtr-mhi-y := mhi.o
diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
new file mode 100644
index 000000000000..ff0c41467fc1
--- /dev/null
+++ b/net/qrtr/mhi.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ */
+
+#include <linux/mhi.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+
+#include "qrtr.h"
+
+struct qrtr_mhi_dev {
+ struct qrtr_endpoint ep;
+ struct mhi_device *mhi_dev;
+ struct device *dev;
+};
+
+/* From MHI to QRTR */
+static void qcom_mhi_qrtr_dl_callback(struct mhi_device *mhi_dev,
+ struct mhi_result *mhi_res)
+{
+ struct qrtr_mhi_dev *qdev = dev_get_drvdata(&mhi_dev->dev);
+ int rc;
+
+ if (!qdev || mhi_res->transaction_status)
+ return;
+
+ rc = qrtr_endpoint_post(&qdev->ep, mhi_res->buf_addr,
+ mhi_res->bytes_xferd);
+ if (rc == -EINVAL)
+ dev_err(qdev->dev, "invalid ipcrouter packet\n");
+}
+
+/* From QRTR to MHI */
+static void qcom_mhi_qrtr_ul_callback(struct mhi_device *mhi_dev,
+ struct mhi_result *mhi_res)
+{
+ struct sk_buff *skb = mhi_res->buf_addr;
+
+ if (skb->sk)
+ sock_put(skb->sk);
+ consume_skb(skb);
+}
+
+/* Send data over MHI */
+static int qcom_mhi_qrtr_send(struct qrtr_endpoint *ep, struct sk_buff *skb)
+{
+ struct qrtr_mhi_dev *qdev = container_of(ep, struct qrtr_mhi_dev, ep);
+ int rc;
+
+ rc = skb_linearize(skb);
+ if (rc)
+ goto free_skb;
+
+ rc = mhi_queue_skb(qdev->mhi_dev, DMA_TO_DEVICE, skb, skb->len,
+ MHI_EOT);
+ if (rc)
+ goto free_skb;
+
+ if (skb->sk)
+ sock_hold(skb->sk);
+
+ return rc;
+
+free_skb:
+ kfree_skb(skb);
+
+ return rc;
+}
+
+static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
+ const struct mhi_device_id *id)
+{
+ struct qrtr_mhi_dev *qdev;
+ int rc;
+
+ qdev = devm_kzalloc(&mhi_dev->dev, sizeof(*qdev), GFP_KERNEL);
+ if (!qdev)
+ return -ENOMEM;
+
+ qdev->mhi_dev = mhi_dev;
+ qdev->dev = &mhi_dev->dev;
+ qdev->ep.xmit = qcom_mhi_qrtr_send;
+
+ dev_set_drvdata(&mhi_dev->dev, qdev);
+ rc = qrtr_endpoint_register(&qdev->ep, QRTR_EP_NID_AUTO);
+ if (rc)
+ return rc;
+
+ dev_dbg(qdev->dev, "Qualcomm MHI QRTR driver probed\n");
+
+ return 0;
+}
+
+static void qcom_mhi_qrtr_remove(struct mhi_device *mhi_dev)
+{
+ struct qrtr_mhi_dev *qdev = dev_get_drvdata(&mhi_dev->dev);
+
+ qrtr_endpoint_unregister(&qdev->ep);
+ dev_set_drvdata(&mhi_dev->dev, NULL);
+}
+
+static const struct mhi_device_id qcom_mhi_qrtr_id_table[] = {
+ { .chan = "IPCR" },
+ {}
+};
+MODULE_DEVICE_TABLE(mhi, qcom_mhi_qrtr_id_table);
+
+static struct mhi_driver qcom_mhi_qrtr_driver = {
+ .probe = qcom_mhi_qrtr_probe,
+ .remove = qcom_mhi_qrtr_remove,
+ .dl_xfer_cb = qcom_mhi_qrtr_dl_callback,
+ .ul_xfer_cb = qcom_mhi_qrtr_ul_callback,
+ .id_table = qcom_mhi_qrtr_id_table,
+ .driver = {
+ .name = "qcom_mhi_qrtr",
+ },
+};
+
+module_mhi_driver(qcom_mhi_qrtr_driver);
+
+MODULE_AUTHOR("Chris Lew <clew@codeaurora.org>");
+MODULE_AUTHOR("Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>");
+MODULE_DESCRIPTION("Qualcomm IPC-Router MHI interface driver");
+MODULE_LICENSE("GPL v2");
diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c
index e7d0fe3f4330..d8252fdab851 100644
--- a/net/qrtr/ns.c
+++ b/net/qrtr/ns.c
@@ -12,6 +12,9 @@
#include "qrtr.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/qrtr.h>
+
static RADIX_TREE(nodes, GFP_KERNEL);
static struct {
@@ -105,8 +108,8 @@ static int service_announce_new(struct sockaddr_qrtr *dest,
struct msghdr msg = { };
struct kvec iv;
- trace_printk("advertising new server [%d:%x]@[%d:%d]\n",
- srv->service, srv->instance, srv->node, srv->port);
+ trace_qrtr_ns_service_announce_new(srv->service, srv->instance,
+ srv->node, srv->port);
iv.iov_base = &pkt;
iv.iov_len = sizeof(pkt);
@@ -132,8 +135,8 @@ static int service_announce_del(struct sockaddr_qrtr *dest,
struct kvec iv;
int ret;
- trace_printk("advertising removal of server [%d:%x]@[%d:%d]\n",
- srv->service, srv->instance, srv->node, srv->port);
+ trace_qrtr_ns_service_announce_del(srv->service, srv->instance,
+ srv->node, srv->port);
iv.iov_base = &pkt;
iv.iov_len = sizeof(pkt);
@@ -244,8 +247,8 @@ static struct qrtr_server *server_add(unsigned int service,
radix_tree_insert(&node->servers, port, srv);
- trace_printk("add server [%d:%x]@[%d:%d]\n", srv->service,
- srv->instance, srv->node, srv->port);
+ trace_qrtr_ns_server_add(srv->service, srv->instance,
+ srv->node, srv->port);
return srv;
@@ -633,9 +636,8 @@ static void qrtr_ns_worker(struct work_struct *work)
cmd = le32_to_cpu(pkt->cmd);
if (cmd < ARRAY_SIZE(qrtr_ctrl_pkt_strings) &&
qrtr_ctrl_pkt_strings[cmd])
- trace_printk("%s from %d:%d\n",
- qrtr_ctrl_pkt_strings[cmd], sq.sq_node,
- sq.sq_port);
+ trace_qrtr_ns_message(qrtr_ctrl_pkt_strings[cmd],
+ sq.sq_node, sq.sq_port);
ret = 0;
switch (cmd) {
@@ -712,6 +714,10 @@ void qrtr_ns_init(void)
goto err_sock;
}
+ qrtr_ns.workqueue = alloc_workqueue("qrtr_ns_handler", WQ_UNBOUND, 1);
+ if (!qrtr_ns.workqueue)
+ goto err_sock;
+
qrtr_ns.sock->sk->sk_data_ready = qrtr_ns_data_ready;
sq.sq_port = QRTR_PORT_CTRL;
@@ -720,17 +726,13 @@ void qrtr_ns_init(void)
ret = kernel_bind(qrtr_ns.sock, (struct sockaddr *)&sq, sizeof(sq));
if (ret < 0) {
pr_err("failed to bind to socket\n");
- goto err_sock;
+ goto err_wq;
}
qrtr_ns.bcast_sq.sq_family = AF_QIPCRTR;
qrtr_ns.bcast_sq.sq_node = QRTR_NODE_BCAST;
qrtr_ns.bcast_sq.sq_port = QRTR_PORT_CTRL;
- qrtr_ns.workqueue = alloc_workqueue("qrtr_ns_handler", WQ_UNBOUND, 1);
- if (!qrtr_ns.workqueue)
- goto err_sock;
-
ret = say_hello(&qrtr_ns.bcast_sq);
if (ret < 0)
goto err_wq;
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index 7ed31b5e77e4..2d8d6131bc5f 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -854,7 +854,7 @@ static int qrtr_bcast_enqueue(struct qrtr_node *node, struct sk_buff *skb,
}
mutex_unlock(&qrtr_node_lock);
- qrtr_local_enqueue(node, skb, type, from, to);
+ qrtr_local_enqueue(NULL, skb, type, from, to);
return 0;
}
diff --git a/net/rds/info.c b/net/rds/info.c
index 03f6fd56d237..b6b46a8214a0 100644
--- a/net/rds/info.c
+++ b/net/rds/info.c
@@ -162,7 +162,6 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
struct rds_info_lengths lens;
unsigned long nr_pages = 0;
unsigned long start;
- unsigned long i;
rds_info_func func;
struct page **pages = NULL;
int ret;
@@ -193,7 +192,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval,
ret = -ENOMEM;
goto out;
}
- ret = get_user_pages_fast(start, nr_pages, FOLL_WRITE, pages);
+ ret = pin_user_pages_fast(start, nr_pages, FOLL_WRITE, pages);
if (ret != nr_pages) {
if (ret > 0)
nr_pages = ret;
@@ -235,8 +234,8 @@ call_func:
ret = -EFAULT;
out:
- for (i = 0; pages && i < nr_pages; i++)
- put_page(pages[i]);
+ if (pages)
+ unpin_user_pages(pages, nr_pages);
kfree(pages);
return ret;
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index 66121bc6f34e..43db0eca911f 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -62,8 +62,7 @@ static atomic_t rds_tcp_unloading = ATOMIC_INIT(0);
static struct kmem_cache *rds_tcp_conn_slab;
static int rds_tcp_skbuf_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *fpos);
+ void *buffer, size_t *lenp, loff_t *fpos);
static int rds_tcp_min_sndbuf = SOCK_MIN_SNDBUF;
static int rds_tcp_min_rcvbuf = SOCK_MIN_RCVBUF;
@@ -90,15 +89,6 @@ static struct ctl_table rds_tcp_sysctl_table[] = {
{ }
};
-/* doing it this way avoids calling tcp_sk() */
-void rds_tcp_nonagle(struct socket *sock)
-{
- int val = 1;
-
- kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY, (void *)&val,
- sizeof(val));
-}
-
u32 rds_tcp_write_seq(struct rds_tcp_connection *tc)
{
/* seq# of the last byte of data in tcp send buffer */
@@ -503,7 +493,7 @@ void rds_tcp_tune(struct socket *sock)
struct net *net = sock_net(sk);
struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid);
- rds_tcp_nonagle(sock);
+ tcp_sock_set_nodelay(sock->sk);
lock_sock(sk);
if (rtn->sndbuf_size > 0) {
sk->sk_sndbuf = rtn->sndbuf_size;
@@ -676,8 +666,7 @@ static void rds_tcp_sysctl_reset(struct net *net)
}
static int rds_tcp_skbuf_handler(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *fpos)
+ void *buffer, size_t *lenp, loff_t *fpos)
{
struct net *net = current->nsproxy->net_ns;
int err;
diff --git a/net/rds/tcp.h b/net/rds/tcp.h
index 3c69361d21c7..bad9cf49d565 100644
--- a/net/rds/tcp.h
+++ b/net/rds/tcp.h
@@ -50,7 +50,6 @@ struct rds_tcp_statistics {
/* tcp.c */
void rds_tcp_tune(struct socket *sock);
-void rds_tcp_nonagle(struct socket *sock);
void rds_tcp_set_callbacks(struct socket *sock, struct rds_conn_path *cp);
void rds_tcp_reset_callbacks(struct socket *sock, struct rds_conn_path *cp);
void rds_tcp_restore_callbacks(struct socket *sock,
@@ -71,9 +70,8 @@ struct socket *rds_tcp_listen_init(struct net *net, bool isv6);
void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor);
void rds_tcp_listen_data_ready(struct sock *sk);
int rds_tcp_accept_one(struct socket *sock);
-int rds_tcp_keepalive(struct socket *sock);
+void rds_tcp_keepalive(struct socket *sock);
void *rds_tcp_listen_sock_def_readable(struct net *net);
-void rds_tcp_set_linger(struct socket *sock);
/* tcp_recv.c */
int rds_tcp_recv_init(void);
diff --git a/net/rds/tcp_connect.c b/net/rds/tcp_connect.c
index 008f50fb25dd..4e64598176b0 100644
--- a/net/rds/tcp_connect.c
+++ b/net/rds/tcp_connect.c
@@ -207,7 +207,7 @@ void rds_tcp_conn_path_shutdown(struct rds_conn_path *cp)
if (sock) {
if (rds_destroy_pending(cp->cp_conn))
- rds_tcp_set_linger(sock);
+ sock_no_linger(sock->sk);
sock->ops->shutdown(sock, RCV_SHUTDOWN | SEND_SHUTDOWN);
lock_sock(sock->sk);
rds_tcp_restore_callbacks(sock, tc); /* tc->tc_sock = NULL */
diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
index 810a3a49e947..101cf14215a0 100644
--- a/net/rds/tcp_listen.c
+++ b/net/rds/tcp_listen.c
@@ -38,36 +38,19 @@
#include "rds.h"
#include "tcp.h"
-int rds_tcp_keepalive(struct socket *sock)
+void rds_tcp_keepalive(struct socket *sock)
{
/* values below based on xs_udp_default_timeout */
int keepidle = 5; /* send a probe 'keepidle' secs after last data */
int keepcnt = 5; /* number of unack'ed probes before declaring dead */
- int keepalive = 1;
- int ret = 0;
-
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&keepalive, sizeof(keepalive));
- if (ret < 0)
- goto bail;
-
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPCNT,
- (char *)&keepcnt, sizeof(keepcnt));
- if (ret < 0)
- goto bail;
-
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPIDLE,
- (char *)&keepidle, sizeof(keepidle));
- if (ret < 0)
- goto bail;
+ sock_set_keepalive(sock->sk);
+ tcp_sock_set_keepcnt(sock->sk, keepcnt);
+ tcp_sock_set_keepidle(sock->sk, keepidle);
/* KEEPINTVL is the interval between successive probes. We follow
* the model in xs_tcp_finish_connecting() and re-use keepidle.
*/
- ret = kernel_setsockopt(sock, IPPROTO_TCP, TCP_KEEPINTVL,
- (char *)&keepidle, sizeof(keepidle));
-bail:
- return ret;
+ tcp_sock_set_keepintvl(sock->sk, keepidle);
}
/* rds_tcp_accept_one_path(): if accepting on cp_index > 0, make sure the
@@ -111,17 +94,6 @@ struct rds_tcp_connection *rds_tcp_accept_one_path(struct rds_connection *conn)
return NULL;
}
-void rds_tcp_set_linger(struct socket *sock)
-{
- struct linger no_linger = {
- .l_onoff = 1,
- .l_linger = 0,
- };
-
- kernel_setsockopt(sock, SOL_SOCKET, SO_LINGER,
- (char *)&no_linger, sizeof(no_linger));
-}
-
int rds_tcp_accept_one(struct socket *sock)
{
struct socket *new_sock = NULL;
@@ -160,10 +132,7 @@ int rds_tcp_accept_one(struct socket *sock)
new_sock->ops = sock->ops;
__module_get(new_sock->ops->owner);
- ret = rds_tcp_keepalive(new_sock);
- if (ret < 0)
- goto out;
-
+ rds_tcp_keepalive(new_sock);
rds_tcp_tune(new_sock);
inet = inet_sk(new_sock->sk);
@@ -241,7 +210,7 @@ rst_nsk:
* be pending on it. By setting linger, we achieve the side-effect
* of avoiding TIME_WAIT state on new_sock.
*/
- rds_tcp_set_linger(new_sock);
+ sock_no_linger(new_sock->sk);
kernel_sock_shutdown(new_sock, SHUT_RDWR);
ret = 0;
out:
@@ -303,7 +272,7 @@ struct socket *rds_tcp_listen_init(struct net *net, bool isv6)
}
sock->sk->sk_reuse = SK_CAN_REUSE;
- rds_tcp_nonagle(sock);
+ tcp_sock_set_nodelay(sock->sk);
write_lock_bh(&sock->sk->sk_callback_lock);
sock->sk->sk_user_data = sock->sk->sk_data_ready;
diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c
index 78a2554a4497..8c4d1d6e9249 100644
--- a/net/rds/tcp_send.c
+++ b/net/rds/tcp_send.c
@@ -38,23 +38,18 @@
#include "rds.h"
#include "tcp.h"
-static void rds_tcp_cork(struct socket *sock, int val)
-{
- kernel_setsockopt(sock, SOL_TCP, TCP_CORK, (void *)&val, sizeof(val));
-}
-
void rds_tcp_xmit_path_prepare(struct rds_conn_path *cp)
{
struct rds_tcp_connection *tc = cp->cp_transport_data;
- rds_tcp_cork(tc->t_sock, 1);
+ tcp_sock_set_cork(tc->t_sock->sk, true);
}
void rds_tcp_xmit_path_complete(struct rds_conn_path *cp)
{
struct rds_tcp_connection *tc = cp->cp_transport_data;
- rds_tcp_cork(tc->t_sock, 0);
+ tcp_sock_set_cork(tc->t_sock->sk, false);
}
/* the core send_sem serializes this with other xmit and shutdown */
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 1e8eeb044b07..e7a872207b46 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -65,6 +65,26 @@ static const struct proto_ops rose_proto_ops;
ax25_address rose_callsign;
/*
+ * ROSE network devices are virtual network devices encapsulating ROSE
+ * frames into AX.25 which will be sent through an AX.25 device, so form a
+ * special "super class" of normal net devices; split their locks off into a
+ * separate class since they always nest.
+ */
+static struct lock_class_key rose_netdev_xmit_lock_key;
+
+static void rose_set_lockdep_one(struct net_device *dev,
+ struct netdev_queue *txq,
+ void *_unused)
+{
+ lockdep_set_class(&txq->_xmit_lock, &rose_netdev_xmit_lock_key);
+}
+
+static void rose_set_lockdep_key(struct net_device *dev)
+{
+ netdev_for_each_tx_queue(dev, rose_set_lockdep_one, NULL);
+}
+
+/*
* Convert a ROSE address into text.
*/
char *rose2asc(char *buf, const rose_address *addr)
@@ -1511,6 +1531,7 @@ static int __init rose_proto_init(void)
free_netdev(dev);
goto fail;
}
+ rose_set_lockdep_key(dev);
dev_rose[i] = dev;
}
diff --git a/net/rxrpc/Kconfig b/net/rxrpc/Kconfig
index 57ebb29c26ad..d706bb408365 100644
--- a/net/rxrpc/Kconfig
+++ b/net/rxrpc/Kconfig
@@ -18,7 +18,7 @@ config AF_RXRPC
This module at the moment only supports client operations and is
currently incomplete.
- See Documentation/networking/rxrpc.txt.
+ See Documentation/networking/rxrpc.rst.
config AF_RXRPC_IPV6
bool "IPv6 support for RxRPC"
@@ -41,7 +41,7 @@ config AF_RXRPC_DEBUG
help
Say Y here to make runtime controllable debugging messages appear.
- See Documentation/networking/rxrpc.txt.
+ See Documentation/networking/rxrpc.rst.
config RXKAD
@@ -56,4 +56,4 @@ config RXKAD
Provide kerberos 4 and AFS kaserver security handling for AF_RXRPC
through the use of the key retention service.
- See Documentation/networking/rxrpc.txt.
+ See Documentation/networking/rxrpc.rst.
diff --git a/net/rxrpc/Makefile b/net/rxrpc/Makefile
index 6ffb7e9887ce..ddd0f95713a9 100644
--- a/net/rxrpc/Makefile
+++ b/net/rxrpc/Makefile
@@ -25,6 +25,7 @@ rxrpc-y := \
peer_event.o \
peer_object.o \
recvmsg.o \
+ rtt.o \
security.o \
sendmsg.o \
skbuff.o \
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 15ee92d79581..394189b81849 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -571,6 +571,19 @@ out:
return ret;
}
+int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val)
+{
+ if (sk->sk_state != RXRPC_UNBOUND)
+ return -EISCONN;
+ if (val > RXRPC_SECURITY_MAX)
+ return -EINVAL;
+ lock_sock(sk);
+ rxrpc_sk(sk)->min_sec_level = val;
+ release_sock(sk);
+ return 0;
+}
+EXPORT_SYMBOL(rxrpc_sock_set_min_security_level);
+
/*
* set RxRPC socket options
*/
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 3eb1ab40ca5c..9fe264bec70c 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -7,6 +7,7 @@
#include <linux/atomic.h>
#include <linux/seqlock.h>
+#include <linux/win_minmax.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include <net/sock.h>
@@ -311,11 +312,14 @@ struct rxrpc_peer {
#define RXRPC_RTT_CACHE_SIZE 32
spinlock_t rtt_input_lock; /* RTT lock for input routine */
ktime_t rtt_last_req; /* Time of last RTT request */
- u64 rtt; /* Current RTT estimate (in nS) */
- u64 rtt_sum; /* Sum of cache contents */
- u64 rtt_cache[RXRPC_RTT_CACHE_SIZE]; /* Determined RTT cache */
- u8 rtt_cursor; /* next entry at which to insert */
- u8 rtt_usage; /* amount of cache actually used */
+ unsigned int rtt_count; /* Number of samples we've got */
+
+ u32 srtt_us; /* smoothed round trip time << 3 in usecs */
+ u32 mdev_us; /* medium deviation */
+ u32 mdev_max_us; /* maximal mdev for the last rtt period */
+ u32 rttvar_us; /* smoothed mdev_max */
+ u32 rto_j; /* Retransmission timeout in jiffies */
+ u8 backoff; /* Backoff timeout */
u8 cong_cwnd; /* Congestion window size */
};
@@ -1041,7 +1045,6 @@ extern unsigned long rxrpc_idle_ack_delay;
extern unsigned int rxrpc_rx_window_size;
extern unsigned int rxrpc_rx_mtu;
extern unsigned int rxrpc_rx_jumbo_max;
-extern unsigned long rxrpc_resend_timeout;
extern const s8 rxrpc_ack_priority[];
@@ -1069,8 +1072,6 @@ void rxrpc_send_keepalive(struct rxrpc_peer *);
* peer_event.c
*/
void rxrpc_error_report(struct sock *);
-void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace,
- rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t);
void rxrpc_peer_keepalive_worker(struct work_struct *);
/*
@@ -1103,6 +1104,14 @@ void rxrpc_notify_socket(struct rxrpc_call *);
int rxrpc_recvmsg(struct socket *, struct msghdr *, size_t, int);
/*
+ * rtt.c
+ */
+void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace,
+ rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t);
+unsigned long rxrpc_get_rto_backoff(struct rxrpc_peer *, bool);
+void rxrpc_peer_init_rtt(struct rxrpc_peer *);
+
+/*
* rxkad.c
*/
#ifdef CONFIG_RXKAD
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 70e44abf106c..b7611cc159e5 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -248,7 +248,7 @@ static void rxrpc_send_ping(struct rxrpc_call *call, struct sk_buff *skb)
struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
ktime_t now = skb->tstamp;
- if (call->peer->rtt_usage < 3 ||
+ if (call->peer->rtt_count < 3 ||
ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000), now))
rxrpc_propose_ACK(call, RXRPC_ACK_PING, sp->hdr.serial,
true, true,
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index cedbbb3a7c2e..2a65ac41055f 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -111,8 +111,8 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
} else {
unsigned long now = jiffies, ack_at;
- if (call->peer->rtt_usage > 0)
- ack_at = nsecs_to_jiffies(call->peer->rtt);
+ if (call->peer->srtt_us != 0)
+ ack_at = usecs_to_jiffies(call->peer->srtt_us >> 3);
else
ack_at = expiry;
@@ -157,24 +157,18 @@ static void rxrpc_congestion_timeout(struct rxrpc_call *call)
static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
{
struct sk_buff *skb;
- unsigned long resend_at;
+ unsigned long resend_at, rto_j;
rxrpc_seq_t cursor, seq, top;
- ktime_t now, max_age, oldest, ack_ts, timeout, min_timeo;
+ ktime_t now, max_age, oldest, ack_ts;
int ix;
u8 annotation, anno_type, retrans = 0, unacked = 0;
_enter("{%d,%d}", call->tx_hard_ack, call->tx_top);
- if (call->peer->rtt_usage > 1)
- timeout = ns_to_ktime(call->peer->rtt * 3 / 2);
- else
- timeout = ms_to_ktime(rxrpc_resend_timeout);
- min_timeo = ns_to_ktime((1000000000 / HZ) * 4);
- if (ktime_before(timeout, min_timeo))
- timeout = min_timeo;
+ rto_j = call->peer->rto_j;
now = ktime_get_real();
- max_age = ktime_sub(now, timeout);
+ max_age = ktime_sub(now, jiffies_to_usecs(rto_j));
spin_lock_bh(&call->lock);
@@ -219,7 +213,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
}
resend_at = nsecs_to_jiffies(ktime_to_ns(ktime_sub(now, oldest)));
- resend_at += jiffies + rxrpc_resend_timeout;
+ resend_at += jiffies + rto_j;
WRITE_ONCE(call->resend_at, resend_at);
if (unacked)
@@ -234,7 +228,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
rxrpc_timer_set_for_resend);
spin_unlock_bh(&call->lock);
ack_ts = ktime_sub(now, call->acks_latest_ts);
- if (ktime_to_ns(ack_ts) < call->peer->rtt)
+ if (ktime_to_us(ack_ts) < (call->peer->srtt_us >> 3))
goto out;
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, true, false,
rxrpc_propose_ack_ping_for_lost_ack);
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 69e09d69c896..3be4177baf70 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -91,11 +91,11 @@ static void rxrpc_congestion_management(struct rxrpc_call *call,
/* We analyse the number of packets that get ACK'd per RTT
* period and increase the window if we managed to fill it.
*/
- if (call->peer->rtt_usage == 0)
+ if (call->peer->rtt_count == 0)
goto out;
if (ktime_before(skb->tstamp,
- ktime_add_ns(call->cong_tstamp,
- call->peer->rtt)))
+ ktime_add_us(call->cong_tstamp,
+ call->peer->srtt_us >> 3)))
goto out_no_clear_ca;
change = rxrpc_cong_rtt_window_end;
call->cong_tstamp = skb->tstamp;
@@ -803,6 +803,30 @@ static void rxrpc_input_soft_acks(struct rxrpc_call *call, u8 *acks,
}
/*
+ * Return true if the ACK is valid - ie. it doesn't appear to have regressed
+ * with respect to the ack state conveyed by preceding ACKs.
+ */
+static bool rxrpc_is_ack_valid(struct rxrpc_call *call,
+ rxrpc_seq_t first_pkt, rxrpc_seq_t prev_pkt)
+{
+ rxrpc_seq_t base = READ_ONCE(call->ackr_first_seq);
+
+ if (after(first_pkt, base))
+ return true; /* The window advanced */
+
+ if (before(first_pkt, base))
+ return false; /* firstPacket regressed */
+
+ if (after_eq(prev_pkt, call->ackr_prev_seq))
+ return true; /* previousPacket hasn't regressed. */
+
+ /* Some rx implementations put a serial number in previousPacket. */
+ if (after_eq(prev_pkt, base + call->tx_winsize))
+ return false;
+ return true;
+}
+
+/*
* Process an ACK packet.
*
* ack.firstPacket is the sequence number of the first soft-ACK'd/NAK'd packet
@@ -865,9 +889,12 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
}
/* Discard any out-of-order or duplicate ACKs (outside lock). */
- if (before(first_soft_ack, call->ackr_first_seq) ||
- before(prev_pkt, call->ackr_prev_seq))
+ if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) {
+ trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial,
+ first_soft_ack, call->ackr_first_seq,
+ prev_pkt, call->ackr_prev_seq);
return;
+ }
buf.info.rxMTU = 0;
ioffset = offset + nr_acks + 3;
@@ -878,9 +905,12 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb)
spin_lock(&call->input_lock);
/* Discard any out-of-order or duplicate ACKs (inside lock). */
- if (before(first_soft_ack, call->ackr_first_seq) ||
- before(prev_pkt, call->ackr_prev_seq))
+ if (!rxrpc_is_ack_valid(call, first_soft_ack, prev_pkt)) {
+ trace_rxrpc_rx_discard_ack(call->debug_id, sp->hdr.serial,
+ first_soft_ack, call->ackr_first_seq,
+ prev_pkt, call->ackr_prev_seq);
goto out;
+ }
call->acks_latest_ts = skb->tstamp;
call->ackr_first_seq = first_soft_ack;
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index 01135e54d95d..c8b2097f499c 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -107,7 +107,7 @@ static struct rxrpc_local *rxrpc_alloc_local(struct rxrpc_net *rxnet,
static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
{
struct sock *usk;
- int ret, opt;
+ int ret;
_enter("%p{%d,%d}",
local, local->srx.transport_type, local->srx.transport.family);
@@ -157,13 +157,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
switch (local->srx.transport.family) {
case AF_INET6:
/* we want to receive ICMPv6 errors */
- opt = 1;
- ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_RECVERR,
- (char *) &opt, sizeof(opt));
- if (ret < 0) {
- _debug("setsockopt failed");
- goto error;
- }
+ ip6_sock_set_recverr(local->socket->sk);
/* Fall through and set IPv4 options too otherwise we don't get
* errors from IPv4 packets sent through the IPv6 socket.
@@ -171,31 +165,13 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
/* Fall through */
case AF_INET:
/* we want to receive ICMP errors */
- opt = 1;
- ret = kernel_setsockopt(local->socket, SOL_IP, IP_RECVERR,
- (char *) &opt, sizeof(opt));
- if (ret < 0) {
- _debug("setsockopt failed");
- goto error;
- }
+ ip_sock_set_recverr(local->socket->sk);
/* we want to set the don't fragment bit */
- opt = IP_PMTUDISC_DO;
- ret = kernel_setsockopt(local->socket, SOL_IP, IP_MTU_DISCOVER,
- (char *) &opt, sizeof(opt));
- if (ret < 0) {
- _debug("setsockopt failed");
- goto error;
- }
+ ip_sock_set_mtu_discover(local->socket->sk, IP_PMTUDISC_DO);
/* We want receive timestamps. */
- opt = 1;
- ret = kernel_setsockopt(local->socket, SOL_SOCKET, SO_TIMESTAMPNS_OLD,
- (char *)&opt, sizeof(opt));
- if (ret < 0) {
- _debug("setsockopt failed");
- goto error;
- }
+ sock_enable_timestamps(local->socket->sk);
break;
default:
diff --git a/net/rxrpc/misc.c b/net/rxrpc/misc.c
index 214405f75346..d4144fd86f84 100644
--- a/net/rxrpc/misc.c
+++ b/net/rxrpc/misc.c
@@ -63,11 +63,6 @@ unsigned int rxrpc_rx_mtu = 5692;
*/
unsigned int rxrpc_rx_jumbo_max = 4;
-/*
- * Time till packet resend (in milliseconds).
- */
-unsigned long rxrpc_resend_timeout = 4 * HZ;
-
const s8 rxrpc_ack_priority[] = {
[0] = 0,
[RXRPC_ACK_DELAY] = 1,
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 90e263c6aa69..1ba43c3df4ad 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -321,7 +321,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
struct kvec iov[2];
rxrpc_serial_t serial;
size_t len;
- int ret, opt;
+ int ret;
_enter(",{%d}", skb->len);
@@ -369,7 +369,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
(test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events) ||
retrans ||
call->cong_mode == RXRPC_CALL_SLOW_START ||
- (call->peer->rtt_usage < 3 && sp->hdr.seq & 1) ||
+ (call->peer->rtt_count < 3 && sp->hdr.seq & 1) ||
ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000),
ktime_get_real())))
whdr.flags |= RXRPC_REQUEST_ACK;
@@ -423,13 +423,10 @@ done:
if (whdr.flags & RXRPC_REQUEST_ACK) {
call->peer->rtt_last_req = skb->tstamp;
trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_data, serial);
- if (call->peer->rtt_usage > 1) {
+ if (call->peer->rtt_count > 1) {
unsigned long nowj = jiffies, ack_lost_at;
- ack_lost_at = nsecs_to_jiffies(2 * call->peer->rtt);
- if (ack_lost_at < 1)
- ack_lost_at = 1;
-
+ ack_lost_at = rxrpc_get_rto_backoff(call->peer, retrans);
ack_lost_at += nowj;
WRITE_ONCE(call->ack_lost_at, ack_lost_at);
rxrpc_reduce_call_timer(call, ack_lost_at, nowj,
@@ -476,18 +473,14 @@ send_fragmentable:
switch (conn->params.local->srx.transport.family) {
case AF_INET6:
case AF_INET:
- opt = IP_PMTUDISC_DONT;
- kernel_setsockopt(conn->params.local->socket,
- SOL_IP, IP_MTU_DISCOVER,
- (char *)&opt, sizeof(opt));
+ ip_sock_set_mtu_discover(conn->params.local->socket->sk,
+ IP_PMTUDISC_DONT);
ret = kernel_sendmsg(conn->params.local->socket, &msg,
iov, 2, len);
conn->params.peer->last_tx_at = ktime_get_seconds();
- opt = IP_PMTUDISC_DO;
- kernel_setsockopt(conn->params.local->socket,
- SOL_IP, IP_MTU_DISCOVER,
- (char *)&opt, sizeof(opt));
+ ip_sock_set_mtu_discover(conn->params.local->socket->sk,
+ IP_PMTUDISC_DO);
break;
default:
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 923b263c401b..b1449d971883 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -296,52 +296,6 @@ static void rxrpc_distribute_error(struct rxrpc_peer *peer, int error,
}
/*
- * Add RTT information to cache. This is called in softirq mode and has
- * exclusive access to the peer RTT data.
- */
-void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
- rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
- ktime_t send_time, ktime_t resp_time)
-{
- struct rxrpc_peer *peer = call->peer;
- s64 rtt;
- u64 sum = peer->rtt_sum, avg;
- u8 cursor = peer->rtt_cursor, usage = peer->rtt_usage;
-
- rtt = ktime_to_ns(ktime_sub(resp_time, send_time));
- if (rtt < 0)
- return;
-
- spin_lock(&peer->rtt_input_lock);
-
- /* Replace the oldest datum in the RTT buffer */
- sum -= peer->rtt_cache[cursor];
- sum += rtt;
- peer->rtt_cache[cursor] = rtt;
- peer->rtt_cursor = (cursor + 1) & (RXRPC_RTT_CACHE_SIZE - 1);
- peer->rtt_sum = sum;
- if (usage < RXRPC_RTT_CACHE_SIZE) {
- usage++;
- peer->rtt_usage = usage;
- }
-
- spin_unlock(&peer->rtt_input_lock);
-
- /* Now recalculate the average */
- if (usage == RXRPC_RTT_CACHE_SIZE) {
- avg = sum / RXRPC_RTT_CACHE_SIZE;
- } else {
- avg = sum;
- do_div(avg, usage);
- }
-
- /* Don't need to update this under lock */
- peer->rtt = avg;
- trace_rxrpc_rtt_rx(call, why, send_serial, resp_serial, rtt,
- usage, avg);
-}
-
-/*
* Perform keep-alive pings.
*/
static void rxrpc_peer_keepalive_dispatch(struct rxrpc_net *rxnet,
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 452163eadb98..ca29976bb193 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -225,6 +225,8 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
spin_lock_init(&peer->rtt_input_lock);
peer->debug_id = atomic_inc_return(&rxrpc_debug_id);
+ rxrpc_peer_init_rtt(peer);
+
if (RXRPC_TX_SMSS > 2190)
peer->cong_cwnd = 2;
else if (RXRPC_TX_SMSS > 1095)
@@ -497,14 +499,14 @@ void rxrpc_kernel_get_peer(struct socket *sock, struct rxrpc_call *call,
EXPORT_SYMBOL(rxrpc_kernel_get_peer);
/**
- * rxrpc_kernel_get_rtt - Get a call's peer RTT
+ * rxrpc_kernel_get_srtt - Get a call's peer smoothed RTT
* @sock: The socket on which the call is in progress.
* @call: The call to query
*
- * Get the call's peer RTT.
+ * Get the call's peer smoothed RTT.
*/
-u64 rxrpc_kernel_get_rtt(struct socket *sock, struct rxrpc_call *call)
+u32 rxrpc_kernel_get_srtt(struct socket *sock, struct rxrpc_call *call)
{
- return call->peer->rtt;
+ return call->peer->srtt_us >> 3;
}
-EXPORT_SYMBOL(rxrpc_kernel_get_rtt);
+EXPORT_SYMBOL(rxrpc_kernel_get_srtt);
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index b9d053e42821..8b179e3c802a 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -222,7 +222,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
seq_puts(seq,
"Proto Local "
" Remote "
- " Use CW MTU LastUse RTT Rc\n"
+ " Use CW MTU LastUse RTT RTO\n"
);
return 0;
}
@@ -236,15 +236,15 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
now = ktime_get_seconds();
seq_printf(seq,
"UDP %-47.47s %-47.47s %3u"
- " %3u %5u %6llus %12llu %2u\n",
+ " %3u %5u %6llus %8u %8u\n",
lbuff,
rbuff,
atomic_read(&peer->usage),
peer->cong_cwnd,
peer->mtu,
now - peer->last_tx_at,
- peer->rtt,
- peer->rtt_cursor);
+ peer->srtt_us >> 3,
+ jiffies_to_usecs(peer->rto_j));
return 0;
}
diff --git a/net/rxrpc/rtt.c b/net/rxrpc/rtt.c
new file mode 100644
index 000000000000..928d8b34a3ee
--- /dev/null
+++ b/net/rxrpc/rtt.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0
+/* RTT/RTO calculation.
+ *
+ * Adapted from TCP for AF_RXRPC by David Howells (dhowells@redhat.com)
+ *
+ * https://tools.ietf.org/html/rfc6298
+ * https://tools.ietf.org/html/rfc1122#section-4.2.3.1
+ * http://ccr.sigcomm.org/archive/1995/jan95/ccr-9501-partridge87.pdf
+ */
+
+#include <linux/net.h>
+#include "ar-internal.h"
+
+#define RXRPC_RTO_MAX ((unsigned)(120 * HZ))
+#define RXRPC_TIMEOUT_INIT ((unsigned)(1*HZ)) /* RFC6298 2.1 initial RTO value */
+#define rxrpc_jiffies32 ((u32)jiffies) /* As rxrpc_jiffies32 */
+#define rxrpc_min_rtt_wlen 300 /* As sysctl_tcp_min_rtt_wlen */
+
+static u32 rxrpc_rto_min_us(struct rxrpc_peer *peer)
+{
+ return 200;
+}
+
+static u32 __rxrpc_set_rto(const struct rxrpc_peer *peer)
+{
+ return _usecs_to_jiffies((peer->srtt_us >> 3) + peer->rttvar_us);
+}
+
+static u32 rxrpc_bound_rto(u32 rto)
+{
+ return min(rto, RXRPC_RTO_MAX);
+}
+
+/*
+ * Called to compute a smoothed rtt estimate. The data fed to this
+ * routine either comes from timestamps, or from segments that were
+ * known _not_ to have been retransmitted [see Karn/Partridge
+ * Proceedings SIGCOMM 87]. The algorithm is from the SIGCOMM 88
+ * piece by Van Jacobson.
+ * NOTE: the next three routines used to be one big routine.
+ * To save cycles in the RFC 1323 implementation it was better to break
+ * it up into three procedures. -- erics
+ */
+static void rxrpc_rtt_estimator(struct rxrpc_peer *peer, long sample_rtt_us)
+{
+ long m = sample_rtt_us; /* RTT */
+ u32 srtt = peer->srtt_us;
+
+ /* The following amusing code comes from Jacobson's
+ * article in SIGCOMM '88. Note that rtt and mdev
+ * are scaled versions of rtt and mean deviation.
+ * This is designed to be as fast as possible
+ * m stands for "measurement".
+ *
+ * On a 1990 paper the rto value is changed to:
+ * RTO = rtt + 4 * mdev
+ *
+ * Funny. This algorithm seems to be very broken.
+ * These formulae increase RTO, when it should be decreased, increase
+ * too slowly, when it should be increased quickly, decrease too quickly
+ * etc. I guess in BSD RTO takes ONE value, so that it is absolutely
+ * does not matter how to _calculate_ it. Seems, it was trap
+ * that VJ failed to avoid. 8)
+ */
+ if (srtt != 0) {
+ m -= (srtt >> 3); /* m is now error in rtt est */
+ srtt += m; /* rtt = 7/8 rtt + 1/8 new */
+ if (m < 0) {
+ m = -m; /* m is now abs(error) */
+ m -= (peer->mdev_us >> 2); /* similar update on mdev */
+ /* This is similar to one of Eifel findings.
+ * Eifel blocks mdev updates when rtt decreases.
+ * This solution is a bit different: we use finer gain
+ * for mdev in this case (alpha*beta).
+ * Like Eifel it also prevents growth of rto,
+ * but also it limits too fast rto decreases,
+ * happening in pure Eifel.
+ */
+ if (m > 0)
+ m >>= 3;
+ } else {
+ m -= (peer->mdev_us >> 2); /* similar update on mdev */
+ }
+
+ peer->mdev_us += m; /* mdev = 3/4 mdev + 1/4 new */
+ if (peer->mdev_us > peer->mdev_max_us) {
+ peer->mdev_max_us = peer->mdev_us;
+ if (peer->mdev_max_us > peer->rttvar_us)
+ peer->rttvar_us = peer->mdev_max_us;
+ }
+ } else {
+ /* no previous measure. */
+ srtt = m << 3; /* take the measured time to be rtt */
+ peer->mdev_us = m << 1; /* make sure rto = 3*rtt */
+ peer->rttvar_us = max(peer->mdev_us, rxrpc_rto_min_us(peer));
+ peer->mdev_max_us = peer->rttvar_us;
+ }
+
+ peer->srtt_us = max(1U, srtt);
+}
+
+/*
+ * Calculate rto without backoff. This is the second half of Van Jacobson's
+ * routine referred to above.
+ */
+static void rxrpc_set_rto(struct rxrpc_peer *peer)
+{
+ u32 rto;
+
+ /* 1. If rtt variance happened to be less 50msec, it is hallucination.
+ * It cannot be less due to utterly erratic ACK generation made
+ * at least by solaris and freebsd. "Erratic ACKs" has _nothing_
+ * to do with delayed acks, because at cwnd>2 true delack timeout
+ * is invisible. Actually, Linux-2.4 also generates erratic
+ * ACKs in some circumstances.
+ */
+ rto = __rxrpc_set_rto(peer);
+
+ /* 2. Fixups made earlier cannot be right.
+ * If we do not estimate RTO correctly without them,
+ * all the algo is pure shit and should be replaced
+ * with correct one. It is exactly, which we pretend to do.
+ */
+
+ /* NOTE: clamping at RXRPC_RTO_MIN is not required, current algo
+ * guarantees that rto is higher.
+ */
+ peer->rto_j = rxrpc_bound_rto(rto);
+}
+
+static void rxrpc_ack_update_rtt(struct rxrpc_peer *peer, long rtt_us)
+{
+ if (rtt_us < 0)
+ return;
+
+ //rxrpc_update_rtt_min(peer, rtt_us);
+ rxrpc_rtt_estimator(peer, rtt_us);
+ rxrpc_set_rto(peer);
+
+ /* RFC6298: only reset backoff on valid RTT measurement. */
+ peer->backoff = 0;
+}
+
+/*
+ * Add RTT information to cache. This is called in softirq mode and has
+ * exclusive access to the peer RTT data.
+ */
+void rxrpc_peer_add_rtt(struct rxrpc_call *call, enum rxrpc_rtt_rx_trace why,
+ rxrpc_serial_t send_serial, rxrpc_serial_t resp_serial,
+ ktime_t send_time, ktime_t resp_time)
+{
+ struct rxrpc_peer *peer = call->peer;
+ s64 rtt_us;
+
+ rtt_us = ktime_to_us(ktime_sub(resp_time, send_time));
+ if (rtt_us < 0)
+ return;
+
+ spin_lock(&peer->rtt_input_lock);
+ rxrpc_ack_update_rtt(peer, rtt_us);
+ if (peer->rtt_count < 3)
+ peer->rtt_count++;
+ spin_unlock(&peer->rtt_input_lock);
+
+ trace_rxrpc_rtt_rx(call, why, send_serial, resp_serial,
+ peer->srtt_us >> 3, peer->rto_j);
+}
+
+/*
+ * Get the retransmission timeout to set in jiffies, backing it off each time
+ * we retransmit.
+ */
+unsigned long rxrpc_get_rto_backoff(struct rxrpc_peer *peer, bool retrans)
+{
+ u64 timo_j;
+ u8 backoff = READ_ONCE(peer->backoff);
+
+ timo_j = peer->rto_j;
+ timo_j <<= backoff;
+ if (retrans && timo_j * 2 <= RXRPC_RTO_MAX)
+ WRITE_ONCE(peer->backoff, backoff + 1);
+
+ if (timo_j < 1)
+ timo_j = 1;
+
+ return timo_j;
+}
+
+void rxrpc_peer_init_rtt(struct rxrpc_peer *peer)
+{
+ peer->rto_j = RXRPC_TIMEOUT_INIT;
+ peer->mdev_us = jiffies_to_usecs(RXRPC_TIMEOUT_INIT);
+ peer->backoff = 0;
+ //minmax_reset(&peer->rtt_min, rxrpc_jiffies32, ~0U);
+}
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 098f1f9ec53b..52a24d4ef5d8 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -1148,7 +1148,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
ret = rxkad_decrypt_ticket(conn, skb, ticket, ticket_len, &session_key,
&expiry, _abort_code);
if (ret < 0)
- goto temporary_error_free_resp;
+ goto temporary_error_free_ticket;
/* use the session key from inside the ticket to decrypt the
* response */
@@ -1230,7 +1230,6 @@ protocol_error:
temporary_error_free_ticket:
kfree(ticket);
-temporary_error_free_resp:
kfree(response);
temporary_error:
/* Ignore the response packet if we got a temporary error such as
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 0fcf157aa09f..5e9c43d4a314 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -66,15 +66,14 @@ static int rxrpc_wait_for_tx_window_waitall(struct rxrpc_sock *rx,
struct rxrpc_call *call)
{
rxrpc_seq_t tx_start, tx_win;
- signed long rtt2, timeout;
- u64 rtt;
+ signed long rtt, timeout;
- rtt = READ_ONCE(call->peer->rtt);
- rtt2 = nsecs_to_jiffies64(rtt) * 2;
- if (rtt2 < 2)
- rtt2 = 2;
+ rtt = READ_ONCE(call->peer->srtt_us) >> 3;
+ rtt = usecs_to_jiffies(rtt) * 2;
+ if (rtt < 2)
+ rtt = 2;
- timeout = rtt2;
+ timeout = rtt;
tx_start = READ_ONCE(call->tx_hard_ack);
for (;;) {
@@ -92,7 +91,7 @@ static int rxrpc_wait_for_tx_window_waitall(struct rxrpc_sock *rx,
return -EINTR;
if (tx_win != tx_start) {
- timeout = rtt2;
+ timeout = rtt;
tx_start = tx_win;
}
@@ -271,16 +270,9 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
_debug("need instant resend %d", ret);
rxrpc_instant_resend(call, ix);
} else {
- unsigned long now = jiffies, resend_at;
+ unsigned long now = jiffies;
+ unsigned long resend_at = now + call->peer->rto_j;
- if (call->peer->rtt_usage > 1)
- resend_at = nsecs_to_jiffies(call->peer->rtt * 3 / 2);
- else
- resend_at = rxrpc_resend_timeout;
- if (resend_at < 1)
- resend_at = 1;
-
- resend_at += now;
WRITE_ONCE(call->resend_at, resend_at);
rxrpc_reduce_call_timer(call, resend_at, now,
rxrpc_timer_set_for_send);
diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c
index 2bbb38161851..e91acc95ff28 100644
--- a/net/rxrpc/sysctl.c
+++ b/net/rxrpc/sysctl.c
@@ -21,7 +21,7 @@ static const unsigned long max_jiffies = MAX_JIFFY_OFFSET;
/*
* RxRPC operating parameters.
*
- * See Documentation/networking/rxrpc.txt and the variable definitions for more
+ * See Documentation/networking/rxrpc.rst and the variable definitions for more
* information on the individual parameters.
*/
static struct ctl_table rxrpc_sysctl_table[] = {
@@ -71,15 +71,6 @@ static struct ctl_table rxrpc_sysctl_table[] = {
.extra1 = (void *)&one_jiffy,
.extra2 = (void *)&max_jiffies,
},
- {
- .procname = "resend_timeout",
- .data = &rxrpc_resend_timeout,
- .maxlen = sizeof(unsigned long),
- .mode = 0644,
- .proc_handler = proc_doulongvec_ms_jiffies_minmax,
- .extra1 = (void *)&one_jiffy,
- .extra2 = (void *)&max_jiffies,
- },
/* Non-time values */
{
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index bfbefb7bff9d..2f20073f4f84 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -981,6 +981,18 @@ config NET_ACT_CT
To compile this code as a module, choose M here: the
module will be called act_ct.
+config NET_ACT_GATE
+ tristate "Frame gate entry list control tc action"
+ depends on NET_CLS_ACT
+ help
+ Say Y here to allow to control the ingress flow to be passed at
+ specific time slot and be dropped at other specific time slot by
+ the gate entry list.
+
+ If unsure, say N.
+ To compile this code as a module, choose M here: the
+ module will be called act_gate.
+
config NET_IFE_SKBMARK
tristate "Support to encoding decoding skb mark on IFE action"
depends on NET_ACT_IFE
diff --git a/net/sched/Makefile b/net/sched/Makefile
index 31c367a6cd09..66bbf9a98f9e 100644
--- a/net/sched/Makefile
+++ b/net/sched/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_NET_IFE_SKBPRIO) += act_meta_skbprio.o
obj-$(CONFIG_NET_IFE_SKBTCINDEX) += act_meta_skbtcindex.o
obj-$(CONFIG_NET_ACT_TUNNEL_KEY)+= act_tunnel_key.o
obj-$(CONFIG_NET_ACT_CT) += act_ct.o
+obj-$(CONFIG_NET_ACT_GATE) += act_gate.o
obj-$(CONFIG_NET_SCH_FIFO) += sch_fifo.o
obj-$(CONFIG_NET_SCH_CBQ) += sch_cbq.o
obj-$(CONFIG_NET_SCH_HTB) += sch_htb.o
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index df4560909157..8ac7eb0a8309 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -766,12 +766,10 @@ tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
return a->ops->dump(skb, a, bind, ref);
}
-int
-tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
+static int
+tcf_action_dump_terse(struct sk_buff *skb, struct tc_action *a)
{
- int err = -EINVAL;
unsigned char *b = skb_tail_pointer(skb);
- struct nlattr *nest;
struct tc_cookie *cookie;
if (nla_put_string(skb, TCA_KIND, a->ops->kind))
@@ -789,6 +787,23 @@ tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
}
rcu_read_unlock();
+ return 0;
+
+nla_put_failure:
+ nlmsg_trim(skb, b);
+ return -1;
+}
+
+int
+tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
+{
+ int err = -EINVAL;
+ unsigned char *b = skb_tail_pointer(skb);
+ struct nlattr *nest;
+
+ if (tcf_action_dump_terse(skb, a))
+ goto nla_put_failure;
+
if (a->hw_stats != TCA_ACT_HW_STATS_ANY &&
nla_put_bitfield32(skb, TCA_ACT_HW_STATS,
a->hw_stats, TCA_ACT_HW_STATS_ANY))
@@ -820,7 +835,7 @@ nla_put_failure:
EXPORT_SYMBOL(tcf_action_dump_1);
int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[],
- int bind, int ref)
+ int bind, int ref, bool terse)
{
struct tc_action *a;
int err = -EINVAL, i;
@@ -831,7 +846,8 @@ int tcf_action_dump(struct sk_buff *skb, struct tc_action *actions[],
nest = nla_nest_start_noflag(skb, i + 1);
if (nest == NULL)
goto nla_put_failure;
- err = tcf_action_dump_1(skb, a, bind, ref);
+ err = terse ? tcf_action_dump_terse(skb, a) :
+ tcf_action_dump_1(skb, a, bind, ref);
if (err < 0)
goto errout;
nla_nest_end(skb, nest);
@@ -876,19 +892,14 @@ static u8 tcf_action_hw_stats_get(struct nlattr *hw_stats_attr)
return hw_stats_bf.value;
}
-static const u32 tca_act_flags_allowed = TCA_ACT_FLAGS_NO_PERCPU_STATS;
-static const u32 tca_act_hw_stats_allowed = TCA_ACT_HW_STATS_ANY;
-
static const struct nla_policy tcf_action_policy[TCA_ACT_MAX + 1] = {
[TCA_ACT_KIND] = { .type = NLA_STRING },
[TCA_ACT_INDEX] = { .type = NLA_U32 },
[TCA_ACT_COOKIE] = { .type = NLA_BINARY,
.len = TC_COOKIE_MAX_SIZE },
[TCA_ACT_OPTIONS] = { .type = NLA_NESTED },
- [TCA_ACT_FLAGS] = { .type = NLA_BITFIELD32,
- .validation_data = &tca_act_flags_allowed },
- [TCA_ACT_HW_STATS] = { .type = NLA_BITFIELD32,
- .validation_data = &tca_act_hw_stats_allowed },
+ [TCA_ACT_FLAGS] = NLA_POLICY_BITFIELD32(TCA_ACT_FLAGS_NO_PERCPU_STATS),
+ [TCA_ACT_HW_STATS] = NLA_POLICY_BITFIELD32(TCA_ACT_HW_STATS_ANY),
};
struct tc_action *tcf_action_init_1(struct net *net, struct tcf_proto *tp,
@@ -1138,7 +1149,7 @@ static int tca_get_fill(struct sk_buff *skb, struct tc_action *actions[],
if (!nest)
goto out_nlmsg_trim;
- if (tcf_action_dump(skb, actions, bind, ref) < 0)
+ if (tcf_action_dump(skb, actions, bind, ref, false) < 0)
goto out_nlmsg_trim;
nla_nest_end(skb, nest);
@@ -1454,10 +1465,8 @@ static int tcf_action_add(struct net *net, struct nlattr *nla,
return ret;
}
-static u32 tcaa_root_flags_allowed = TCA_FLAG_LARGE_DUMP_ON;
static const struct nla_policy tcaa_policy[TCA_ROOT_MAX + 1] = {
- [TCA_ROOT_FLAGS] = { .type = NLA_BITFIELD32,
- .validation_data = &tcaa_root_flags_allowed },
+ [TCA_ROOT_FLAGS] = NLA_POLICY_BITFIELD32(TCA_FLAG_LARGE_DUMP_ON),
[TCA_ROOT_TIME_DELTA] = { .type = NLA_U32 },
};
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 1a766393be62..e29f0f45d688 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -30,6 +30,7 @@
#include <net/netfilter/nf_conntrack_core.h>
#include <net/netfilter/nf_conntrack_zones.h>
#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_acct.h>
#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
#include <uapi/linux/netfilter/nf_nat.h>
@@ -199,6 +200,9 @@ static int tcf_ct_flow_table_add_action_nat(struct net *net,
const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple;
struct nf_conntrack_tuple target;
+ if (!(ct->status & IPS_NAT_MASK))
+ return 0;
+
nf_ct_invert_tuple(&target, &ct->tuplehash[!dir].tuple);
switch (tuple->src.l3num) {
@@ -536,6 +540,7 @@ static bool tcf_ct_flow_table_lookup(struct tcf_ct_params *p,
flow_offload_refresh(nf_ft, flow);
nf_conntrack_get(&ct->ct_general);
nf_ct_set(skb, ct, ctinfo);
+ nf_ct_acct_update(ct, dir, skb->len);
return true;
}
diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
new file mode 100644
index 000000000000..9c628591f452
--- /dev/null
+++ b/net/sched/act_gate.c
@@ -0,0 +1,639 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* Copyright 2020 NXP */
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+#include <linux/rtnetlink.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <net/act_api.h>
+#include <net/netlink.h>
+#include <net/pkt_cls.h>
+#include <net/tc_act/tc_gate.h>
+
+static unsigned int gate_net_id;
+static struct tc_action_ops act_gate_ops;
+
+static ktime_t gate_get_time(struct tcf_gate *gact)
+{
+ ktime_t mono = ktime_get();
+
+ switch (gact->tk_offset) {
+ case TK_OFFS_MAX:
+ return mono;
+ default:
+ return ktime_mono_to_any(mono, gact->tk_offset);
+ }
+
+ return KTIME_MAX;
+}
+
+static int gate_get_start_time(struct tcf_gate *gact, ktime_t *start)
+{
+ struct tcf_gate_params *param = &gact->param;
+ ktime_t now, base, cycle;
+ u64 n;
+
+ base = ns_to_ktime(param->tcfg_basetime);
+ now = gate_get_time(gact);
+
+ if (ktime_after(base, now)) {
+ *start = base;
+ return 0;
+ }
+
+ cycle = param->tcfg_cycletime;
+
+ /* cycle time should not be zero */
+ if (!cycle)
+ return -EFAULT;
+
+ n = div64_u64(ktime_sub_ns(now, base), cycle);
+ *start = ktime_add_ns(base, (n + 1) * cycle);
+ return 0;
+}
+
+static void gate_start_timer(struct tcf_gate *gact, ktime_t start)
+{
+ ktime_t expires;
+
+ expires = hrtimer_get_expires(&gact->hitimer);
+ if (expires == 0)
+ expires = KTIME_MAX;
+
+ start = min_t(ktime_t, start, expires);
+
+ hrtimer_start(&gact->hitimer, start, HRTIMER_MODE_ABS_SOFT);
+}
+
+static enum hrtimer_restart gate_timer_func(struct hrtimer *timer)
+{
+ struct tcf_gate *gact = container_of(timer, struct tcf_gate,
+ hitimer);
+ struct tcf_gate_params *p = &gact->param;
+ struct tcfg_gate_entry *next;
+ ktime_t close_time, now;
+
+ spin_lock(&gact->tcf_lock);
+
+ next = gact->next_entry;
+
+ /* cycle start, clear pending bit, clear total octets */
+ gact->current_gate_status = next->gate_state ? GATE_ACT_GATE_OPEN : 0;
+ gact->current_entry_octets = 0;
+ gact->current_max_octets = next->maxoctets;
+
+ gact->current_close_time = ktime_add_ns(gact->current_close_time,
+ next->interval);
+
+ close_time = gact->current_close_time;
+
+ if (list_is_last(&next->list, &p->entries))
+ next = list_first_entry(&p->entries,
+ struct tcfg_gate_entry, list);
+ else
+ next = list_next_entry(next, list);
+
+ now = gate_get_time(gact);
+
+ if (ktime_after(now, close_time)) {
+ ktime_t cycle, base;
+ u64 n;
+
+ cycle = p->tcfg_cycletime;
+ base = ns_to_ktime(p->tcfg_basetime);
+ n = div64_u64(ktime_sub_ns(now, base), cycle);
+ close_time = ktime_add_ns(base, (n + 1) * cycle);
+ }
+
+ gact->next_entry = next;
+
+ hrtimer_set_expires(&gact->hitimer, close_time);
+
+ spin_unlock(&gact->tcf_lock);
+
+ return HRTIMER_RESTART;
+}
+
+static int tcf_gate_act(struct sk_buff *skb, const struct tc_action *a,
+ struct tcf_result *res)
+{
+ struct tcf_gate *gact = to_gate(a);
+
+ spin_lock(&gact->tcf_lock);
+
+ tcf_lastuse_update(&gact->tcf_tm);
+ bstats_update(&gact->tcf_bstats, skb);
+
+ if (unlikely(gact->current_gate_status & GATE_ACT_PENDING)) {
+ spin_unlock(&gact->tcf_lock);
+ return gact->tcf_action;
+ }
+
+ if (!(gact->current_gate_status & GATE_ACT_GATE_OPEN))
+ goto drop;
+
+ if (gact->current_max_octets >= 0) {
+ gact->current_entry_octets += qdisc_pkt_len(skb);
+ if (gact->current_entry_octets > gact->current_max_octets) {
+ gact->tcf_qstats.overlimits++;
+ goto drop;
+ }
+ }
+
+ spin_unlock(&gact->tcf_lock);
+
+ return gact->tcf_action;
+drop:
+ gact->tcf_qstats.drops++;
+ spin_unlock(&gact->tcf_lock);
+
+ return TC_ACT_SHOT;
+}
+
+static const struct nla_policy entry_policy[TCA_GATE_ENTRY_MAX + 1] = {
+ [TCA_GATE_ENTRY_INDEX] = { .type = NLA_U32 },
+ [TCA_GATE_ENTRY_GATE] = { .type = NLA_FLAG },
+ [TCA_GATE_ENTRY_INTERVAL] = { .type = NLA_U32 },
+ [TCA_GATE_ENTRY_IPV] = { .type = NLA_S32 },
+ [TCA_GATE_ENTRY_MAX_OCTETS] = { .type = NLA_S32 },
+};
+
+static const struct nla_policy gate_policy[TCA_GATE_MAX + 1] = {
+ [TCA_GATE_PARMS] = { .len = sizeof(struct tc_gate),
+ .type = NLA_EXACT_LEN },
+ [TCA_GATE_PRIORITY] = { .type = NLA_S32 },
+ [TCA_GATE_ENTRY_LIST] = { .type = NLA_NESTED },
+ [TCA_GATE_BASE_TIME] = { .type = NLA_U64 },
+ [TCA_GATE_CYCLE_TIME] = { .type = NLA_U64 },
+ [TCA_GATE_CYCLE_TIME_EXT] = { .type = NLA_U64 },
+ [TCA_GATE_FLAGS] = { .type = NLA_U32 },
+ [TCA_GATE_CLOCKID] = { .type = NLA_S32 },
+};
+
+static int fill_gate_entry(struct nlattr **tb, struct tcfg_gate_entry *entry,
+ struct netlink_ext_ack *extack)
+{
+ u32 interval = 0;
+
+ entry->gate_state = nla_get_flag(tb[TCA_GATE_ENTRY_GATE]);
+
+ if (tb[TCA_GATE_ENTRY_INTERVAL])
+ interval = nla_get_u32(tb[TCA_GATE_ENTRY_INTERVAL]);
+
+ if (interval == 0) {
+ NL_SET_ERR_MSG(extack, "Invalid interval for schedule entry");
+ return -EINVAL;
+ }
+
+ entry->interval = interval;
+
+ if (tb[TCA_GATE_ENTRY_IPV])
+ entry->ipv = nla_get_s32(tb[TCA_GATE_ENTRY_IPV]);
+ else
+ entry->ipv = -1;
+
+ if (tb[TCA_GATE_ENTRY_MAX_OCTETS])
+ entry->maxoctets = nla_get_s32(tb[TCA_GATE_ENTRY_MAX_OCTETS]);
+ else
+ entry->maxoctets = -1;
+
+ return 0;
+}
+
+static int parse_gate_entry(struct nlattr *n, struct tcfg_gate_entry *entry,
+ int index, struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[TCA_GATE_ENTRY_MAX + 1] = { };
+ int err;
+
+ err = nla_parse_nested(tb, TCA_GATE_ENTRY_MAX, n, entry_policy, extack);
+ if (err < 0) {
+ NL_SET_ERR_MSG(extack, "Could not parse nested entry");
+ return -EINVAL;
+ }
+
+ entry->index = index;
+
+ return fill_gate_entry(tb, entry, extack);
+}
+
+static void release_entry_list(struct list_head *entries)
+{
+ struct tcfg_gate_entry *entry, *e;
+
+ list_for_each_entry_safe(entry, e, entries, list) {
+ list_del(&entry->list);
+ kfree(entry);
+ }
+}
+
+static int parse_gate_list(struct nlattr *list_attr,
+ struct tcf_gate_params *sched,
+ struct netlink_ext_ack *extack)
+{
+ struct tcfg_gate_entry *entry;
+ struct nlattr *n;
+ int err, rem;
+ int i = 0;
+
+ if (!list_attr)
+ return -EINVAL;
+
+ nla_for_each_nested(n, list_attr, rem) {
+ if (nla_type(n) != TCA_GATE_ONE_ENTRY) {
+ NL_SET_ERR_MSG(extack, "Attribute isn't type 'entry'");
+ continue;
+ }
+
+ entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+ if (!entry) {
+ NL_SET_ERR_MSG(extack, "Not enough memory for entry");
+ err = -ENOMEM;
+ goto release_list;
+ }
+
+ err = parse_gate_entry(n, entry, i, extack);
+ if (err < 0) {
+ kfree(entry);
+ goto release_list;
+ }
+
+ list_add_tail(&entry->list, &sched->entries);
+ i++;
+ }
+
+ sched->num_entries = i;
+
+ return i;
+
+release_list:
+ release_entry_list(&sched->entries);
+
+ return err;
+}
+
+static int tcf_gate_init(struct net *net, struct nlattr *nla,
+ struct nlattr *est, struct tc_action **a,
+ int ovr, int bind, bool rtnl_held,
+ struct tcf_proto *tp, u32 flags,
+ struct netlink_ext_ack *extack)
+{
+ struct tc_action_net *tn = net_generic(net, gate_net_id);
+ enum tk_offsets tk_offset = TK_OFFS_TAI;
+ struct nlattr *tb[TCA_GATE_MAX + 1];
+ struct tcf_chain *goto_ch = NULL;
+ struct tcf_gate_params *p;
+ s32 clockid = CLOCK_TAI;
+ struct tcf_gate *gact;
+ struct tc_gate *parm;
+ int ret = 0, err;
+ u64 basetime = 0;
+ u32 gflags = 0;
+ s32 prio = -1;
+ ktime_t start;
+ u32 index;
+
+ if (!nla)
+ return -EINVAL;
+
+ err = nla_parse_nested(tb, TCA_GATE_MAX, nla, gate_policy, extack);
+ if (err < 0)
+ return err;
+
+ if (!tb[TCA_GATE_PARMS])
+ return -EINVAL;
+
+ parm = nla_data(tb[TCA_GATE_PARMS]);
+ index = parm->index;
+
+ err = tcf_idr_check_alloc(tn, &index, a, bind);
+ if (err < 0)
+ return err;
+
+ if (err && bind)
+ return 0;
+
+ if (!err) {
+ ret = tcf_idr_create(tn, index, est, a,
+ &act_gate_ops, bind, false, 0);
+ if (ret) {
+ tcf_idr_cleanup(tn, index);
+ return ret;
+ }
+
+ ret = ACT_P_CREATED;
+ } else if (!ovr) {
+ tcf_idr_release(*a, bind);
+ return -EEXIST;
+ }
+ if (ret == ACT_P_CREATED) {
+ to_gate(*a)->param.tcfg_clockid = -1;
+ INIT_LIST_HEAD(&(to_gate(*a)->param.entries));
+ }
+
+ if (tb[TCA_GATE_PRIORITY])
+ prio = nla_get_s32(tb[TCA_GATE_PRIORITY]);
+
+ if (tb[TCA_GATE_BASE_TIME])
+ basetime = nla_get_u64(tb[TCA_GATE_BASE_TIME]);
+
+ if (tb[TCA_GATE_FLAGS])
+ gflags = nla_get_u32(tb[TCA_GATE_FLAGS]);
+
+ if (tb[TCA_GATE_CLOCKID]) {
+ clockid = nla_get_s32(tb[TCA_GATE_CLOCKID]);
+ switch (clockid) {
+ case CLOCK_REALTIME:
+ tk_offset = TK_OFFS_REAL;
+ break;
+ case CLOCK_MONOTONIC:
+ tk_offset = TK_OFFS_MAX;
+ break;
+ case CLOCK_BOOTTIME:
+ tk_offset = TK_OFFS_BOOT;
+ break;
+ case CLOCK_TAI:
+ tk_offset = TK_OFFS_TAI;
+ break;
+ default:
+ NL_SET_ERR_MSG(extack, "Invalid 'clockid'");
+ goto release_idr;
+ }
+ }
+
+ err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack);
+ if (err < 0)
+ goto release_idr;
+
+ gact = to_gate(*a);
+
+ spin_lock_bh(&gact->tcf_lock);
+ p = &gact->param;
+
+ if (tb[TCA_GATE_CYCLE_TIME]) {
+ p->tcfg_cycletime = nla_get_u64(tb[TCA_GATE_CYCLE_TIME]);
+ if (!p->tcfg_cycletime_ext)
+ goto chain_put;
+ }
+
+ if (tb[TCA_GATE_ENTRY_LIST]) {
+ err = parse_gate_list(tb[TCA_GATE_ENTRY_LIST], p, extack);
+ if (err < 0)
+ goto chain_put;
+ }
+
+ if (!p->tcfg_cycletime) {
+ struct tcfg_gate_entry *entry;
+ ktime_t cycle = 0;
+
+ list_for_each_entry(entry, &p->entries, list)
+ cycle = ktime_add_ns(cycle, entry->interval);
+ p->tcfg_cycletime = cycle;
+ }
+
+ if (tb[TCA_GATE_CYCLE_TIME_EXT])
+ p->tcfg_cycletime_ext =
+ nla_get_u64(tb[TCA_GATE_CYCLE_TIME_EXT]);
+
+ p->tcfg_priority = prio;
+ p->tcfg_basetime = basetime;
+ p->tcfg_clockid = clockid;
+ p->tcfg_flags = gflags;
+
+ gact->tk_offset = tk_offset;
+ hrtimer_init(&gact->hitimer, clockid, HRTIMER_MODE_ABS_SOFT);
+ gact->hitimer.function = gate_timer_func;
+
+ err = gate_get_start_time(gact, &start);
+ if (err < 0) {
+ NL_SET_ERR_MSG(extack,
+ "Internal error: failed get start time");
+ release_entry_list(&p->entries);
+ goto chain_put;
+ }
+
+ gact->current_close_time = start;
+ gact->current_gate_status = GATE_ACT_GATE_OPEN | GATE_ACT_PENDING;
+
+ gact->next_entry = list_first_entry(&p->entries,
+ struct tcfg_gate_entry, list);
+
+ goto_ch = tcf_action_set_ctrlact(*a, parm->action, goto_ch);
+
+ gate_start_timer(gact, start);
+
+ spin_unlock_bh(&gact->tcf_lock);
+
+ if (goto_ch)
+ tcf_chain_put_by_act(goto_ch);
+
+ if (ret == ACT_P_CREATED)
+ tcf_idr_insert(tn, *a);
+
+ return ret;
+
+chain_put:
+ spin_unlock_bh(&gact->tcf_lock);
+
+ if (goto_ch)
+ tcf_chain_put_by_act(goto_ch);
+release_idr:
+ tcf_idr_release(*a, bind);
+ return err;
+}
+
+static void tcf_gate_cleanup(struct tc_action *a)
+{
+ struct tcf_gate *gact = to_gate(a);
+ struct tcf_gate_params *p;
+
+ p = &gact->param;
+ if (p->tcfg_clockid != -1)
+ hrtimer_cancel(&gact->hitimer);
+
+ release_entry_list(&p->entries);
+}
+
+static int dumping_entry(struct sk_buff *skb,
+ struct tcfg_gate_entry *entry)
+{
+ struct nlattr *item;
+
+ item = nla_nest_start_noflag(skb, TCA_GATE_ONE_ENTRY);
+ if (!item)
+ return -ENOSPC;
+
+ if (nla_put_u32(skb, TCA_GATE_ENTRY_INDEX, entry->index))
+ goto nla_put_failure;
+
+ if (entry->gate_state && nla_put_flag(skb, TCA_GATE_ENTRY_GATE))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb, TCA_GATE_ENTRY_INTERVAL, entry->interval))
+ goto nla_put_failure;
+
+ if (nla_put_s32(skb, TCA_GATE_ENTRY_MAX_OCTETS, entry->maxoctets))
+ goto nla_put_failure;
+
+ if (nla_put_s32(skb, TCA_GATE_ENTRY_IPV, entry->ipv))
+ goto nla_put_failure;
+
+ return nla_nest_end(skb, item);
+
+nla_put_failure:
+ nla_nest_cancel(skb, item);
+ return -1;
+}
+
+static int tcf_gate_dump(struct sk_buff *skb, struct tc_action *a,
+ int bind, int ref)
+{
+ unsigned char *b = skb_tail_pointer(skb);
+ struct tcf_gate *gact = to_gate(a);
+ struct tc_gate opt = {
+ .index = gact->tcf_index,
+ .refcnt = refcount_read(&gact->tcf_refcnt) - ref,
+ .bindcnt = atomic_read(&gact->tcf_bindcnt) - bind,
+ };
+ struct tcfg_gate_entry *entry;
+ struct tcf_gate_params *p;
+ struct nlattr *entry_list;
+ struct tcf_t t;
+
+ spin_lock_bh(&gact->tcf_lock);
+ opt.action = gact->tcf_action;
+
+ p = &gact->param;
+
+ if (nla_put(skb, TCA_GATE_PARMS, sizeof(opt), &opt))
+ goto nla_put_failure;
+
+ if (nla_put_u64_64bit(skb, TCA_GATE_BASE_TIME,
+ p->tcfg_basetime, TCA_GATE_PAD))
+ goto nla_put_failure;
+
+ if (nla_put_u64_64bit(skb, TCA_GATE_CYCLE_TIME,
+ p->tcfg_cycletime, TCA_GATE_PAD))
+ goto nla_put_failure;
+
+ if (nla_put_u64_64bit(skb, TCA_GATE_CYCLE_TIME_EXT,
+ p->tcfg_cycletime_ext, TCA_GATE_PAD))
+ goto nla_put_failure;
+
+ if (nla_put_s32(skb, TCA_GATE_CLOCKID, p->tcfg_clockid))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb, TCA_GATE_FLAGS, p->tcfg_flags))
+ goto nla_put_failure;
+
+ if (nla_put_s32(skb, TCA_GATE_PRIORITY, p->tcfg_priority))
+ goto nla_put_failure;
+
+ entry_list = nla_nest_start_noflag(skb, TCA_GATE_ENTRY_LIST);
+ if (!entry_list)
+ goto nla_put_failure;
+
+ list_for_each_entry(entry, &p->entries, list) {
+ if (dumping_entry(skb, entry) < 0)
+ goto nla_put_failure;
+ }
+
+ nla_nest_end(skb, entry_list);
+
+ tcf_tm_dump(&t, &gact->tcf_tm);
+ if (nla_put_64bit(skb, TCA_GATE_TM, sizeof(t), &t, TCA_GATE_PAD))
+ goto nla_put_failure;
+ spin_unlock_bh(&gact->tcf_lock);
+
+ return skb->len;
+
+nla_put_failure:
+ spin_unlock_bh(&gact->tcf_lock);
+ nlmsg_trim(skb, b);
+ return -1;
+}
+
+static int tcf_gate_walker(struct net *net, struct sk_buff *skb,
+ struct netlink_callback *cb, int type,
+ const struct tc_action_ops *ops,
+ struct netlink_ext_ack *extack)
+{
+ struct tc_action_net *tn = net_generic(net, gate_net_id);
+
+ return tcf_generic_walker(tn, skb, cb, type, ops, extack);
+}
+
+static void tcf_gate_stats_update(struct tc_action *a, u64 bytes, u32 packets,
+ u64 lastuse, bool hw)
+{
+ struct tcf_gate *gact = to_gate(a);
+ struct tcf_t *tm = &gact->tcf_tm;
+
+ tcf_action_update_stats(a, bytes, packets, false, hw);
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
+}
+
+static int tcf_gate_search(struct net *net, struct tc_action **a, u32 index)
+{
+ struct tc_action_net *tn = net_generic(net, gate_net_id);
+
+ return tcf_idr_search(tn, a, index);
+}
+
+static size_t tcf_gate_get_fill_size(const struct tc_action *act)
+{
+ return nla_total_size(sizeof(struct tc_gate));
+}
+
+static struct tc_action_ops act_gate_ops = {
+ .kind = "gate",
+ .id = TCA_ID_GATE,
+ .owner = THIS_MODULE,
+ .act = tcf_gate_act,
+ .dump = tcf_gate_dump,
+ .init = tcf_gate_init,
+ .cleanup = tcf_gate_cleanup,
+ .walk = tcf_gate_walker,
+ .stats_update = tcf_gate_stats_update,
+ .get_fill_size = tcf_gate_get_fill_size,
+ .lookup = tcf_gate_search,
+ .size = sizeof(struct tcf_gate),
+};
+
+static __net_init int gate_init_net(struct net *net)
+{
+ struct tc_action_net *tn = net_generic(net, gate_net_id);
+
+ return tc_action_net_init(net, tn, &act_gate_ops);
+}
+
+static void __net_exit gate_exit_net(struct list_head *net_list)
+{
+ tc_action_net_exit(net_list, gate_net_id);
+}
+
+static struct pernet_operations gate_net_ops = {
+ .init = gate_init_net,
+ .exit_batch = gate_exit_net,
+ .id = &gate_net_id,
+ .size = sizeof(struct tc_action_net),
+};
+
+static int __init gate_init_module(void)
+{
+ return tcf_register_action(&act_gate_ops, &gate_net_ops);
+}
+
+static void __exit gate_cleanup_module(void)
+{
+ tcf_unregister_action(&act_gate_ops, &gate_net_ops);
+}
+
+module_init(gate_init_module);
+module_exit(gate_cleanup_module);
+MODULE_LICENSE("GPL v2");
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 55bd1429678f..a00a203b2ef5 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -39,6 +39,7 @@
#include <net/tc_act/tc_skbedit.h>
#include <net/tc_act/tc_ct.h>
#include <net/tc_act/tc_mpls.h>
+#include <net/tc_act/tc_gate.h>
#include <net/flow_offload.h>
extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1];
@@ -620,96 +621,42 @@ static void tcf_chain_flush(struct tcf_chain *chain, bool rtnl_held)
static int tcf_block_setup(struct tcf_block *block,
struct flow_block_offload *bo);
-static void tc_indr_block_cmd(struct net_device *dev, struct tcf_block *block,
- flow_indr_block_bind_cb_t *cb, void *cb_priv,
- enum flow_block_command command, bool ingress)
-{
- struct flow_block_offload bo = {
- .command = command,
- .binder_type = ingress ?
- FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS :
- FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS,
- .net = dev_net(dev),
- .block_shared = tcf_block_non_null_shared(block),
- };
- INIT_LIST_HEAD(&bo.cb_list);
-
- if (!block)
- return;
-
- bo.block = &block->flow_block;
-
- down_write(&block->cb_lock);
- cb(dev, cb_priv, TC_SETUP_BLOCK, &bo);
-
- tcf_block_setup(block, &bo);
- up_write(&block->cb_lock);
-}
-
-static struct tcf_block *tc_dev_block(struct net_device *dev, bool ingress)
+static void tcf_block_offload_init(struct flow_block_offload *bo,
+ struct net_device *dev,
+ enum flow_block_command command,
+ enum flow_block_binder_type binder_type,
+ struct flow_block *flow_block,
+ bool shared, struct netlink_ext_ack *extack)
{
- const struct Qdisc_class_ops *cops;
- const struct Qdisc_ops *ops;
- struct Qdisc *qdisc;
-
- if (!dev_ingress_queue(dev))
- return NULL;
-
- qdisc = dev_ingress_queue(dev)->qdisc_sleeping;
- if (!qdisc)
- return NULL;
-
- ops = qdisc->ops;
- if (!ops)
- return NULL;
-
- if (!ingress && !strcmp("ingress", ops->id))
- return NULL;
-
- cops = ops->cl_ops;
- if (!cops)
- return NULL;
-
- if (!cops->tcf_block)
- return NULL;
-
- return cops->tcf_block(qdisc,
- ingress ? TC_H_MIN_INGRESS : TC_H_MIN_EGRESS,
- NULL);
+ bo->net = dev_net(dev);
+ bo->command = command;
+ bo->binder_type = binder_type;
+ bo->block = flow_block;
+ bo->block_shared = shared;
+ bo->extack = extack;
+ INIT_LIST_HEAD(&bo->cb_list);
}
-static void tc_indr_block_get_and_cmd(struct net_device *dev,
- flow_indr_block_bind_cb_t *cb,
- void *cb_priv,
- enum flow_block_command command)
-{
- struct tcf_block *block;
-
- block = tc_dev_block(dev, true);
- tc_indr_block_cmd(dev, block, cb, cb_priv, command, true);
-
- block = tc_dev_block(dev, false);
- tc_indr_block_cmd(dev, block, cb, cb_priv, command, false);
-}
+static void tcf_block_unbind(struct tcf_block *block,
+ struct flow_block_offload *bo);
-static void tc_indr_block_call(struct tcf_block *block,
- struct net_device *dev,
- struct tcf_block_ext_info *ei,
- enum flow_block_command command,
- struct netlink_ext_ack *extack)
+static void tc_block_indr_cleanup(struct flow_block_cb *block_cb)
{
- struct flow_block_offload bo = {
- .command = command,
- .binder_type = ei->binder_type,
- .net = dev_net(dev),
- .block = &block->flow_block,
- .block_shared = tcf_block_shared(block),
- .extack = extack,
- };
- INIT_LIST_HEAD(&bo.cb_list);
+ struct tcf_block *block = block_cb->indr.data;
+ struct net_device *dev = block_cb->indr.dev;
+ struct netlink_ext_ack extack = {};
+ struct flow_block_offload bo;
- flow_indr_block_call(dev, &bo, command, TC_SETUP_BLOCK);
- tcf_block_setup(block, &bo);
+ tcf_block_offload_init(&bo, dev, FLOW_BLOCK_UNBIND,
+ block_cb->indr.binder_type,
+ &block->flow_block, tcf_block_shared(block),
+ &extack);
+ down_write(&block->cb_lock);
+ list_move(&block_cb->list, &bo.cb_list);
+ up_write(&block->cb_lock);
+ rtnl_lock();
+ tcf_block_unbind(block, &bo);
+ rtnl_unlock();
}
static bool tcf_block_offload_in_use(struct tcf_block *block)
@@ -726,17 +673,21 @@ static int tcf_block_offload_cmd(struct tcf_block *block,
struct flow_block_offload bo = {};
int err;
- bo.net = dev_net(dev);
- bo.command = command;
- bo.binder_type = ei->binder_type;
- bo.block = &block->flow_block;
- bo.block_shared = tcf_block_shared(block);
- bo.extack = extack;
- INIT_LIST_HEAD(&bo.cb_list);
+ tcf_block_offload_init(&bo, dev, command, ei->binder_type,
+ &block->flow_block, tcf_block_shared(block),
+ extack);
- err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_BLOCK, &bo);
- if (err < 0)
+ if (dev->netdev_ops->ndo_setup_tc)
+ err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_BLOCK, &bo);
+ else
+ err = flow_indr_dev_setup_offload(dev, TC_SETUP_BLOCK, block,
+ &bo, tc_block_indr_cleanup);
+
+ if (err < 0) {
+ if (err != -EOPNOTSUPP)
+ NL_SET_ERR_MSG(extack, "Driver ndo_setup_tc failed");
return err;
+ }
return tcf_block_setup(block, &bo);
}
@@ -749,13 +700,13 @@ static int tcf_block_offload_bind(struct tcf_block *block, struct Qdisc *q,
int err;
down_write(&block->cb_lock);
- if (!dev->netdev_ops->ndo_setup_tc)
- goto no_offload_dev_inc;
/* If tc offload feature is disabled and the block we try to bind
* to already has some offloaded filters, forbid to bind.
*/
- if (!tc_can_offload(dev) && tcf_block_offload_in_use(block)) {
+ if (dev->netdev_ops->ndo_setup_tc &&
+ !tc_can_offload(dev) &&
+ tcf_block_offload_in_use(block)) {
NL_SET_ERR_MSG(extack, "Bind to offloaded block failed as dev has offload disabled");
err = -EOPNOTSUPP;
goto err_unlock;
@@ -767,18 +718,15 @@ static int tcf_block_offload_bind(struct tcf_block *block, struct Qdisc *q,
if (err)
goto err_unlock;
- tc_indr_block_call(block, dev, ei, FLOW_BLOCK_BIND, extack);
up_write(&block->cb_lock);
return 0;
no_offload_dev_inc:
- if (tcf_block_offload_in_use(block)) {
- err = -EOPNOTSUPP;
+ if (tcf_block_offload_in_use(block))
goto err_unlock;
- }
+
err = 0;
block->nooffloaddevcnt++;
- tc_indr_block_call(block, dev, ei, FLOW_BLOCK_BIND, extack);
err_unlock:
up_write(&block->cb_lock);
return err;
@@ -791,10 +739,6 @@ static void tcf_block_offload_unbind(struct tcf_block *block, struct Qdisc *q,
int err;
down_write(&block->cb_lock);
- tc_indr_block_call(block, dev, ei, FLOW_BLOCK_UNBIND, NULL);
-
- if (!dev->netdev_ops->ndo_setup_tc)
- goto no_offload_dev_dec;
err = tcf_block_offload_cmd(block, dev, ei, FLOW_BLOCK_UNBIND, NULL);
if (err == -EOPNOTSUPP)
goto no_offload_dev_dec;
@@ -1847,7 +1791,7 @@ static int tcf_fill_node(struct net *net, struct sk_buff *skb,
struct tcf_proto *tp, struct tcf_block *block,
struct Qdisc *q, u32 parent, void *fh,
u32 portid, u32 seq, u16 flags, int event,
- bool rtnl_held)
+ bool terse_dump, bool rtnl_held)
{
struct tcmsg *tcm;
struct nlmsghdr *nlh;
@@ -1874,6 +1818,14 @@ static int tcf_fill_node(struct net *net, struct sk_buff *skb,
goto nla_put_failure;
if (!fh) {
tcm->tcm_handle = 0;
+ } else if (terse_dump) {
+ if (tp->ops->terse_dump) {
+ if (tp->ops->terse_dump(net, tp, fh, skb, tcm,
+ rtnl_held) < 0)
+ goto nla_put_failure;
+ } else {
+ goto cls_op_not_supp;
+ }
} else {
if (tp->ops->dump &&
tp->ops->dump(net, tp, fh, skb, tcm, rtnl_held) < 0)
@@ -1884,6 +1836,7 @@ static int tcf_fill_node(struct net *net, struct sk_buff *skb,
out_nlmsg_trim:
nla_put_failure:
+cls_op_not_supp:
nlmsg_trim(skb, b);
return -1;
}
@@ -1904,7 +1857,7 @@ static int tfilter_notify(struct net *net, struct sk_buff *oskb,
if (tcf_fill_node(net, skb, tp, block, q, parent, fh, portid,
n->nlmsg_seq, n->nlmsg_flags, event,
- rtnl_held) <= 0) {
+ false, rtnl_held) <= 0) {
kfree_skb(skb);
return -EINVAL;
}
@@ -1936,7 +1889,7 @@ static int tfilter_del_notify(struct net *net, struct sk_buff *oskb,
if (tcf_fill_node(net, skb, tp, block, q, parent, fh, portid,
n->nlmsg_seq, n->nlmsg_flags, RTM_DELTFILTER,
- rtnl_held) <= 0) {
+ false, rtnl_held) <= 0) {
NL_SET_ERR_MSG(extack, "Failed to build del event notification");
kfree_skb(skb);
return -EINVAL;
@@ -2070,6 +2023,7 @@ replay:
err = PTR_ERR(block);
goto errout;
}
+ block->classid = parent;
chain_index = tca[TCA_CHAIN] ? nla_get_u32(tca[TCA_CHAIN]) : 0;
if (chain_index > TC_ACT_EXT_VAL_MASK) {
@@ -2496,6 +2450,7 @@ struct tcf_dump_args {
struct tcf_block *block;
struct Qdisc *q;
u32 parent;
+ bool terse_dump;
};
static int tcf_node_dump(struct tcf_proto *tp, void *n, struct tcf_walker *arg)
@@ -2506,12 +2461,12 @@ static int tcf_node_dump(struct tcf_proto *tp, void *n, struct tcf_walker *arg)
return tcf_fill_node(net, a->skb, tp, a->block, a->q, a->parent,
n, NETLINK_CB(a->cb->skb).portid,
a->cb->nlh->nlmsg_seq, NLM_F_MULTI,
- RTM_NEWTFILTER, true);
+ RTM_NEWTFILTER, a->terse_dump, true);
}
static bool tcf_chain_dump(struct tcf_chain *chain, struct Qdisc *q, u32 parent,
struct sk_buff *skb, struct netlink_callback *cb,
- long index_start, long *p_index)
+ long index_start, long *p_index, bool terse)
{
struct net *net = sock_net(skb->sk);
struct tcf_block *block = chain->block;
@@ -2540,7 +2495,7 @@ static bool tcf_chain_dump(struct tcf_chain *chain, struct Qdisc *q, u32 parent,
if (tcf_fill_node(net, skb, tp, block, q, parent, NULL,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq, NLM_F_MULTI,
- RTM_NEWTFILTER, true) <= 0)
+ RTM_NEWTFILTER, false, true) <= 0)
goto errout;
cb->args[1] = 1;
}
@@ -2556,6 +2511,7 @@ static bool tcf_chain_dump(struct tcf_chain *chain, struct Qdisc *q, u32 parent,
arg.w.skip = cb->args[1] - 1;
arg.w.count = 0;
arg.w.cookie = cb->args[2];
+ arg.terse_dump = terse;
tp->ops->walk(tp, &arg.w, true);
cb->args[2] = arg.w.cookie;
cb->args[1] = arg.w.count + 1;
@@ -2569,6 +2525,10 @@ errout:
return false;
}
+static const struct nla_policy tcf_tfilter_dump_policy[TCA_MAX + 1] = {
+ [TCA_DUMP_FLAGS] = NLA_POLICY_BITFIELD32(TCA_DUMP_FLAGS_TERSE),
+};
+
/* called with RTNL */
static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
{
@@ -2578,6 +2538,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
struct Qdisc *q = NULL;
struct tcf_block *block;
struct tcmsg *tcm = nlmsg_data(cb->nlh);
+ bool terse_dump = false;
long index_start;
long index;
u32 parent;
@@ -2587,10 +2548,17 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
return skb->len;
err = nlmsg_parse_deprecated(cb->nlh, sizeof(*tcm), tca, TCA_MAX,
- NULL, cb->extack);
+ tcf_tfilter_dump_policy, cb->extack);
if (err)
return err;
+ if (tca[TCA_DUMP_FLAGS]) {
+ struct nla_bitfield32 flags =
+ nla_get_bitfield32(tca[TCA_DUMP_FLAGS]);
+
+ terse_dump = flags.value & TCA_DUMP_FLAGS_TERSE;
+ }
+
if (tcm->tcm_ifindex == TCM_IFINDEX_MAGIC_BLOCK) {
block = tcf_block_refcnt_get(net, tcm->tcm_block_index);
if (!block)
@@ -2612,12 +2580,10 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
return skb->len;
parent = tcm->tcm_parent;
- if (!parent) {
+ if (!parent)
q = dev->qdisc;
- parent = q->handle;
- } else {
+ else
q = qdisc_lookup(dev, TC_H_MAJ(tcm->tcm_parent));
- }
if (!q)
goto out;
cops = q->ops->cl_ops;
@@ -2633,6 +2599,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
block = cops->tcf_block(q, cl, NULL);
if (!block)
goto out;
+ parent = block->classid;
if (tcf_block_shared(block))
q = NULL;
}
@@ -2649,7 +2616,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
nla_get_u32(tca[TCA_CHAIN]) != chain->index)
continue;
if (!tcf_chain_dump(chain, q, parent, skb, cb,
- index_start, &index)) {
+ index_start, &index, terse_dump)) {
tcf_chain_put(chain);
err = -EMSGSIZE;
break;
@@ -3152,7 +3119,8 @@ int tcf_exts_dump(struct sk_buff *skb, struct tcf_exts *exts)
if (nest == NULL)
goto nla_put_failure;
- if (tcf_action_dump(skb, exts->actions, 0, 0) < 0)
+ if (tcf_action_dump(skb, exts->actions, 0, 0, false)
+ < 0)
goto nla_put_failure;
nla_nest_end(skb, nest);
} else if (exts->police) {
@@ -3176,6 +3144,31 @@ nla_put_failure:
}
EXPORT_SYMBOL(tcf_exts_dump);
+int tcf_exts_terse_dump(struct sk_buff *skb, struct tcf_exts *exts)
+{
+#ifdef CONFIG_NET_CLS_ACT
+ struct nlattr *nest;
+
+ if (!exts->action || !tcf_exts_has_actions(exts))
+ return 0;
+
+ nest = nla_nest_start_noflag(skb, exts->action);
+ if (!nest)
+ goto nla_put_failure;
+
+ if (tcf_action_dump(skb, exts->actions, 0, 0, true) < 0)
+ goto nla_put_failure;
+ nla_nest_end(skb, nest);
+ return 0;
+
+nla_put_failure:
+ nla_nest_cancel(skb, nest);
+ return -1;
+#else
+ return 0;
+#endif
+}
+EXPORT_SYMBOL(tcf_exts_terse_dump);
int tcf_exts_dump_stats(struct sk_buff *skb, struct tcf_exts *exts)
{
@@ -3523,6 +3516,37 @@ static void tcf_sample_get_group(struct flow_action_entry *entry,
#endif
}
+static void tcf_gate_entry_destructor(void *priv)
+{
+ struct action_gate_entry *oe = priv;
+
+ kfree(oe);
+}
+
+static int tcf_gate_get_entries(struct flow_action_entry *entry,
+ const struct tc_action *act)
+{
+ entry->gate.entries = tcf_gate_get_list(act);
+
+ if (!entry->gate.entries)
+ return -EINVAL;
+
+ entry->destructor = tcf_gate_entry_destructor;
+ entry->destructor_priv = entry->gate.entries;
+
+ return 0;
+}
+
+static enum flow_action_hw_stats tc_act_hw_stats(u8 hw_stats)
+{
+ if (WARN_ON_ONCE(hw_stats > TCA_ACT_HW_STATS_ANY))
+ return FLOW_ACTION_HW_STATS_DONT_CARE;
+ else if (!hw_stats)
+ return FLOW_ACTION_HW_STATS_DISABLED;
+
+ return hw_stats;
+}
+
int tc_setup_flow_action(struct flow_action *flow_action,
const struct tcf_exts *exts)
{
@@ -3546,7 +3570,7 @@ int tc_setup_flow_action(struct flow_action *flow_action,
if (err)
goto err_out_locked;
- entry->hw_stats = act->hw_stats;
+ entry->hw_stats = tc_act_hw_stats(act->hw_stats);
if (is_tcf_gact_ok(act)) {
entry->id = FLOW_ACTION_ACCEPT;
@@ -3614,7 +3638,7 @@ int tc_setup_flow_action(struct flow_action *flow_action,
entry->mangle.mask = tcf_pedit_mask(act, k);
entry->mangle.val = tcf_pedit_val(act, k);
entry->mangle.offset = tcf_pedit_offset(act, k);
- entry->hw_stats = act->hw_stats;
+ entry->hw_stats = tc_act_hw_stats(act->hw_stats);
entry = &flow_action->entries[++j];
}
} else if (is_tcf_csum(act)) {
@@ -3669,6 +3693,17 @@ int tc_setup_flow_action(struct flow_action *flow_action,
} else if (is_tcf_skbedit_priority(act)) {
entry->id = FLOW_ACTION_PRIORITY;
entry->priority = tcf_skbedit_priority(act);
+ } else if (is_tcf_gate(act)) {
+ entry->id = FLOW_ACTION_GATE;
+ entry->gate.index = tcf_gate_index(act);
+ entry->gate.prio = tcf_gate_prio(act);
+ entry->gate.basetime = tcf_gate_basetime(act);
+ entry->gate.cycletime = tcf_gate_cycletime(act);
+ entry->gate.cycletimeext = tcf_gate_cycletimeext(act);
+ entry->gate.num_entries = tcf_gate_num_entries(act);
+ err = tcf_gate_get_entries(entry, act);
+ if (err)
+ goto err_out;
} else {
err = -EOPNOTSUPP;
goto err_out_locked;
@@ -3729,11 +3764,6 @@ static struct pernet_operations tcf_net_ops = {
.size = sizeof(struct tcf_net),
};
-static struct flow_indr_block_entry block_entry = {
- .cb = tc_indr_block_get_and_cmd,
- .list = LIST_HEAD_INIT(block_entry.list),
-};
-
static int __init tc_filter_init(void)
{
int err;
@@ -3746,8 +3776,6 @@ static int __init tc_filter_init(void)
if (err)
goto err_register_pernet_subsys;
- flow_indr_add_block_cb(&block_entry);
-
rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_new_tfilter, NULL,
RTNL_FLAG_DOIT_UNLOCKED);
rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_del_tfilter, NULL,
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 74a0febcafb8..b2da37286082 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -272,14 +272,16 @@ static struct cls_fl_filter *fl_lookup_range(struct fl_flow_mask *mask,
return NULL;
}
-static struct cls_fl_filter *fl_lookup(struct fl_flow_mask *mask,
- struct fl_flow_key *mkey,
- struct fl_flow_key *key)
+static noinline_for_stack
+struct cls_fl_filter *fl_mask_lookup(struct fl_flow_mask *mask, struct fl_flow_key *key)
{
+ struct fl_flow_key mkey;
+
+ fl_set_masked_key(&mkey, key, mask);
if ((mask->flags & TCA_FLOWER_MASK_FLAGS_RANGE))
- return fl_lookup_range(mask, mkey, key);
+ return fl_lookup_range(mask, &mkey, key);
- return __fl_lookup(mask, mkey);
+ return __fl_lookup(mask, &mkey);
}
static u16 fl_ct_info_to_flower_map[] = {
@@ -299,7 +301,6 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res)
{
struct cls_fl_head *head = rcu_dereference_bh(tp->root);
- struct fl_flow_key skb_mkey;
struct fl_flow_key skb_key;
struct fl_flow_mask *mask;
struct cls_fl_filter *f;
@@ -319,9 +320,7 @@ static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
ARRAY_SIZE(fl_ct_info_to_flower_map));
skb_flow_dissect(skb, &mask->dissector, &skb_key, 0);
- fl_set_masked_key(&skb_mkey, &skb_key, mask);
-
- f = fl_lookup(mask, &skb_mkey, &skb_key);
+ f = fl_mask_lookup(mask, &skb_key);
if (f && !tc_skip_sw(f->flags)) {
*res = f->res;
return tcf_exts_exec(skb, &f->exts, res);
@@ -668,6 +667,7 @@ static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
[TCA_FLOWER_KEY_MPLS_BOS] = { .type = NLA_U8 },
[TCA_FLOWER_KEY_MPLS_TC] = { .type = NLA_U8 },
[TCA_FLOWER_KEY_MPLS_LABEL] = { .type = NLA_U32 },
+ [TCA_FLOWER_KEY_MPLS_OPTS] = { .type = NLA_NESTED },
[TCA_FLOWER_KEY_TCP_FLAGS] = { .type = NLA_U16 },
[TCA_FLOWER_KEY_TCP_FLAGS_MASK] = { .type = NLA_U16 },
[TCA_FLOWER_KEY_IP_TOS] = { .type = NLA_U8 },
@@ -726,6 +726,15 @@ erspan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1] = {
[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID] = { .type = NLA_U8 },
};
+static const struct nla_policy
+mpls_stack_entry_policy[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1] = {
+ [TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH] = { .type = NLA_U8 },
+ [TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL] = { .type = NLA_U8 },
+ [TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS] = { .type = NLA_U8 },
+ [TCA_FLOWER_KEY_MPLS_OPT_LSE_TC] = { .type = NLA_U8 },
+ [TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL] = { .type = NLA_U32 },
+};
+
static void fl_set_key_val(struct nlattr **tb,
void *val, int val_type,
void *mask, int mask_type, int len)
@@ -776,14 +785,157 @@ static int fl_set_key_port_range(struct nlattr **tb, struct fl_flow_key *key,
return 0;
}
+static int fl_set_key_mpls_lse(const struct nlattr *nla_lse,
+ struct flow_dissector_key_mpls *key_val,
+ struct flow_dissector_key_mpls *key_mask,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1];
+ struct flow_dissector_mpls_lse *lse_mask;
+ struct flow_dissector_mpls_lse *lse_val;
+ u8 lse_index;
+ u8 depth;
+ int err;
+
+ err = nla_parse_nested(tb, TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX, nla_lse,
+ mpls_stack_entry_policy, extack);
+ if (err < 0)
+ return err;
+
+ if (!tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH]) {
+ NL_SET_ERR_MSG(extack, "Missing MPLS option \"depth\"");
+ return -EINVAL;
+ }
+
+ depth = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH]);
+
+ /* LSE depth starts at 1, for consistency with terminology used by
+ * RFC 3031 (section 3.9), where depth 0 refers to unlabeled packets.
+ */
+ if (depth < 1 || depth > FLOW_DIS_MPLS_MAX) {
+ NL_SET_ERR_MSG_ATTR(extack,
+ tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH],
+ "Invalid MPLS depth");
+ return -EINVAL;
+ }
+ lse_index = depth - 1;
+
+ dissector_set_mpls_lse(key_val, lse_index);
+ dissector_set_mpls_lse(key_mask, lse_index);
+
+ lse_val = &key_val->ls[lse_index];
+ lse_mask = &key_mask->ls[lse_index];
+
+ if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL]) {
+ lse_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL]);
+ lse_mask->mpls_ttl = MPLS_TTL_MASK;
+ }
+ if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS]) {
+ u8 bos = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS]);
+
+ if (bos & ~MPLS_BOS_MASK) {
+ NL_SET_ERR_MSG_ATTR(extack,
+ tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS],
+ "Bottom Of Stack (BOS) must be 0 or 1");
+ return -EINVAL;
+ }
+ lse_val->mpls_bos = bos;
+ lse_mask->mpls_bos = MPLS_BOS_MASK;
+ }
+ if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC]) {
+ u8 tc = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC]);
+
+ if (tc & ~MPLS_TC_MASK) {
+ NL_SET_ERR_MSG_ATTR(extack,
+ tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC],
+ "Traffic Class (TC) must be between 0 and 7");
+ return -EINVAL;
+ }
+ lse_val->mpls_tc = tc;
+ lse_mask->mpls_tc = MPLS_TC_MASK;
+ }
+ if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL]) {
+ u32 label = nla_get_u32(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL]);
+
+ if (label & ~MPLS_LABEL_MASK) {
+ NL_SET_ERR_MSG_ATTR(extack,
+ tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL],
+ "Label must be between 0 and 1048575");
+ return -EINVAL;
+ }
+ lse_val->mpls_label = label;
+ lse_mask->mpls_label = MPLS_LABEL_MASK;
+ }
+
+ return 0;
+}
+
+static int fl_set_key_mpls_opts(const struct nlattr *nla_mpls_opts,
+ struct flow_dissector_key_mpls *key_val,
+ struct flow_dissector_key_mpls *key_mask,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *nla_lse;
+ int rem;
+ int err;
+
+ if (!(nla_mpls_opts->nla_type & NLA_F_NESTED)) {
+ NL_SET_ERR_MSG_ATTR(extack, nla_mpls_opts,
+ "NLA_F_NESTED is missing");
+ return -EINVAL;
+ }
+
+ nla_for_each_nested(nla_lse, nla_mpls_opts, rem) {
+ if (nla_type(nla_lse) != TCA_FLOWER_KEY_MPLS_OPTS_LSE) {
+ NL_SET_ERR_MSG_ATTR(extack, nla_lse,
+ "Invalid MPLS option type");
+ return -EINVAL;
+ }
+
+ err = fl_set_key_mpls_lse(nla_lse, key_val, key_mask, extack);
+ if (err < 0)
+ return err;
+ }
+ if (rem) {
+ NL_SET_ERR_MSG(extack,
+ "Bytes leftover after parsing MPLS options");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int fl_set_key_mpls(struct nlattr **tb,
struct flow_dissector_key_mpls *key_val,
struct flow_dissector_key_mpls *key_mask,
struct netlink_ext_ack *extack)
{
+ struct flow_dissector_mpls_lse *lse_mask;
+ struct flow_dissector_mpls_lse *lse_val;
+
+ if (tb[TCA_FLOWER_KEY_MPLS_OPTS]) {
+ if (tb[TCA_FLOWER_KEY_MPLS_TTL] ||
+ tb[TCA_FLOWER_KEY_MPLS_BOS] ||
+ tb[TCA_FLOWER_KEY_MPLS_TC] ||
+ tb[TCA_FLOWER_KEY_MPLS_LABEL]) {
+ NL_SET_ERR_MSG_ATTR(extack,
+ tb[TCA_FLOWER_KEY_MPLS_OPTS],
+ "MPLS label, Traffic Class, Bottom Of Stack and Time To Live must be encapsulated in the MPLS options attribute");
+ return -EBADMSG;
+ }
+
+ return fl_set_key_mpls_opts(tb[TCA_FLOWER_KEY_MPLS_OPTS],
+ key_val, key_mask, extack);
+ }
+
+ lse_val = &key_val->ls[0];
+ lse_mask = &key_mask->ls[0];
+
if (tb[TCA_FLOWER_KEY_MPLS_TTL]) {
- key_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TTL]);
- key_mask->mpls_ttl = MPLS_TTL_MASK;
+ lse_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TTL]);
+ lse_mask->mpls_ttl = MPLS_TTL_MASK;
+ dissector_set_mpls_lse(key_val, 0);
+ dissector_set_mpls_lse(key_mask, 0);
}
if (tb[TCA_FLOWER_KEY_MPLS_BOS]) {
u8 bos = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_BOS]);
@@ -794,8 +946,10 @@ static int fl_set_key_mpls(struct nlattr **tb,
"Bottom Of Stack (BOS) must be 0 or 1");
return -EINVAL;
}
- key_val->mpls_bos = bos;
- key_mask->mpls_bos = MPLS_BOS_MASK;
+ lse_val->mpls_bos = bos;
+ lse_mask->mpls_bos = MPLS_BOS_MASK;
+ dissector_set_mpls_lse(key_val, 0);
+ dissector_set_mpls_lse(key_mask, 0);
}
if (tb[TCA_FLOWER_KEY_MPLS_TC]) {
u8 tc = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TC]);
@@ -806,8 +960,10 @@ static int fl_set_key_mpls(struct nlattr **tb,
"Traffic Class (TC) must be between 0 and 7");
return -EINVAL;
}
- key_val->mpls_tc = tc;
- key_mask->mpls_tc = MPLS_TC_MASK;
+ lse_val->mpls_tc = tc;
+ lse_mask->mpls_tc = MPLS_TC_MASK;
+ dissector_set_mpls_lse(key_val, 0);
+ dissector_set_mpls_lse(key_mask, 0);
}
if (tb[TCA_FLOWER_KEY_MPLS_LABEL]) {
u32 label = nla_get_u32(tb[TCA_FLOWER_KEY_MPLS_LABEL]);
@@ -818,8 +974,10 @@ static int fl_set_key_mpls(struct nlattr **tb,
"Label must be between 0 and 1048575");
return -EINVAL;
}
- key_val->mpls_label = label;
- key_mask->mpls_label = MPLS_LABEL_MASK;
+ lse_val->mpls_label = label;
+ lse_mask->mpls_label = MPLS_LABEL_MASK;
+ dissector_set_mpls_lse(key_val, 0);
+ dissector_set_mpls_lse(key_mask, 0);
}
return 0;
}
@@ -2218,35 +2376,132 @@ static int fl_dump_key_port_range(struct sk_buff *skb, struct fl_flow_key *key,
return 0;
}
+static int fl_dump_key_mpls_opt_lse(struct sk_buff *skb,
+ struct flow_dissector_key_mpls *mpls_key,
+ struct flow_dissector_key_mpls *mpls_mask,
+ u8 lse_index)
+{
+ struct flow_dissector_mpls_lse *lse_mask = &mpls_mask->ls[lse_index];
+ struct flow_dissector_mpls_lse *lse_key = &mpls_key->ls[lse_index];
+ int err;
+
+ err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH,
+ lse_index + 1);
+ if (err)
+ return err;
+
+ if (lse_mask->mpls_ttl) {
+ err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL,
+ lse_key->mpls_ttl);
+ if (err)
+ return err;
+ }
+ if (lse_mask->mpls_bos) {
+ err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS,
+ lse_key->mpls_bos);
+ if (err)
+ return err;
+ }
+ if (lse_mask->mpls_tc) {
+ err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_TC,
+ lse_key->mpls_tc);
+ if (err)
+ return err;
+ }
+ if (lse_mask->mpls_label) {
+ err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL,
+ lse_key->mpls_label);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static int fl_dump_key_mpls_opts(struct sk_buff *skb,
+ struct flow_dissector_key_mpls *mpls_key,
+ struct flow_dissector_key_mpls *mpls_mask)
+{
+ struct nlattr *opts;
+ struct nlattr *lse;
+ u8 lse_index;
+ int err;
+
+ opts = nla_nest_start(skb, TCA_FLOWER_KEY_MPLS_OPTS);
+ if (!opts)
+ return -EMSGSIZE;
+
+ for (lse_index = 0; lse_index < FLOW_DIS_MPLS_MAX; lse_index++) {
+ if (!(mpls_mask->used_lses & 1 << lse_index))
+ continue;
+
+ lse = nla_nest_start(skb, TCA_FLOWER_KEY_MPLS_OPTS_LSE);
+ if (!lse) {
+ err = -EMSGSIZE;
+ goto err_opts;
+ }
+
+ err = fl_dump_key_mpls_opt_lse(skb, mpls_key, mpls_mask,
+ lse_index);
+ if (err)
+ goto err_opts_lse;
+ nla_nest_end(skb, lse);
+ }
+ nla_nest_end(skb, opts);
+
+ return 0;
+
+err_opts_lse:
+ nla_nest_cancel(skb, lse);
+err_opts:
+ nla_nest_cancel(skb, opts);
+
+ return err;
+}
+
static int fl_dump_key_mpls(struct sk_buff *skb,
struct flow_dissector_key_mpls *mpls_key,
struct flow_dissector_key_mpls *mpls_mask)
{
+ struct flow_dissector_mpls_lse *lse_mask;
+ struct flow_dissector_mpls_lse *lse_key;
int err;
- if (!memchr_inv(mpls_mask, 0, sizeof(*mpls_mask)))
+ if (!mpls_mask->used_lses)
return 0;
- if (mpls_mask->mpls_ttl) {
+
+ lse_mask = &mpls_mask->ls[0];
+ lse_key = &mpls_key->ls[0];
+
+ /* For backward compatibility, don't use the MPLS nested attributes if
+ * the rule can be expressed using the old attributes.
+ */
+ if (mpls_mask->used_lses & ~1 ||
+ (!lse_mask->mpls_ttl && !lse_mask->mpls_bos &&
+ !lse_mask->mpls_tc && !lse_mask->mpls_label))
+ return fl_dump_key_mpls_opts(skb, mpls_key, mpls_mask);
+
+ if (lse_mask->mpls_ttl) {
err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TTL,
- mpls_key->mpls_ttl);
+ lse_key->mpls_ttl);
if (err)
return err;
}
- if (mpls_mask->mpls_tc) {
+ if (lse_mask->mpls_tc) {
err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TC,
- mpls_key->mpls_tc);
+ lse_key->mpls_tc);
if (err)
return err;
}
- if (mpls_mask->mpls_label) {
+ if (lse_mask->mpls_label) {
err = nla_put_u32(skb, TCA_FLOWER_KEY_MPLS_LABEL,
- mpls_key->mpls_label);
+ lse_key->mpls_label);
if (err)
return err;
}
- if (mpls_mask->mpls_bos) {
+ if (lse_mask->mpls_bos) {
err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_BOS,
- mpls_key->mpls_bos);
+ lse_key->mpls_bos);
if (err)
return err;
}
@@ -2768,6 +3023,48 @@ nla_put_failure:
return -1;
}
+static int fl_terse_dump(struct net *net, struct tcf_proto *tp, void *fh,
+ struct sk_buff *skb, struct tcmsg *t, bool rtnl_held)
+{
+ struct cls_fl_filter *f = fh;
+ struct nlattr *nest;
+ bool skip_hw;
+
+ if (!f)
+ return skb->len;
+
+ t->tcm_handle = f->handle;
+
+ nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
+ if (!nest)
+ goto nla_put_failure;
+
+ spin_lock(&tp->lock);
+
+ skip_hw = tc_skip_hw(f->flags);
+
+ if (f->flags && nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags))
+ goto nla_put_failure_locked;
+
+ spin_unlock(&tp->lock);
+
+ if (!skip_hw)
+ fl_hw_update_stats(tp, f, rtnl_held);
+
+ if (tcf_exts_terse_dump(skb, &f->exts))
+ goto nla_put_failure;
+
+ nla_nest_end(skb, nest);
+
+ return skb->len;
+
+nla_put_failure_locked:
+ spin_unlock(&tp->lock);
+nla_put_failure:
+ nla_nest_cancel(skb, nest);
+ return -1;
+}
+
static int fl_tmplt_dump(struct sk_buff *skb, struct net *net, void *tmplt_priv)
{
struct fl_flow_tmplt *tmplt = tmplt_priv;
@@ -2832,6 +3129,7 @@ static struct tcf_proto_ops cls_fl_ops __read_mostly = {
.hw_add = fl_hw_add,
.hw_del = fl_hw_del,
.dump = fl_dump,
+ .terse_dump = fl_terse_dump,
.bind_class = fl_bind_class,
.tmplt_create = fl_tmplt_create,
.tmplt_destroy = fl_tmplt_destroy,
diff --git a/net/sched/em_ipt.c b/net/sched/em_ipt.c
index eecfe072c508..18755d29fd15 100644
--- a/net/sched/em_ipt.c
+++ b/net/sched/em_ipt.c
@@ -199,7 +199,7 @@ static void em_ipt_destroy(struct tcf_ematch *em)
im->match->destroy(&par);
}
module_put(im->match->me);
- kfree((void *)im);
+ kfree(im);
}
static int em_ipt_match(struct sk_buff *skb, struct tcf_ematch *em,
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 0d99df1e764d..9a3449b56bd6 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -32,6 +32,8 @@
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>
+#include <trace/events/qdisc.h>
+
/*
Short review.
@@ -1283,6 +1285,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
}
qdisc_hash_add(sch, false);
+ trace_qdisc_create(ops, dev, parent);
return sch;
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 1496e87cd07b..60f8ae578819 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -584,26 +584,48 @@ static bool cobalt_should_drop(struct cobalt_vars *vars,
return drop;
}
-static void cake_update_flowkeys(struct flow_keys *keys,
+static bool cake_update_flowkeys(struct flow_keys *keys,
const struct sk_buff *skb)
{
#if IS_ENABLED(CONFIG_NF_CONNTRACK)
struct nf_conntrack_tuple tuple = {};
- bool rev = !skb->_nfct;
+ bool rev = !skb->_nfct, upd = false;
+ __be32 ip;
if (tc_skb_protocol(skb) != htons(ETH_P_IP))
- return;
+ return false;
if (!nf_ct_get_tuple_skb(&tuple, skb))
- return;
+ return false;
- keys->addrs.v4addrs.src = rev ? tuple.dst.u3.ip : tuple.src.u3.ip;
- keys->addrs.v4addrs.dst = rev ? tuple.src.u3.ip : tuple.dst.u3.ip;
+ ip = rev ? tuple.dst.u3.ip : tuple.src.u3.ip;
+ if (ip != keys->addrs.v4addrs.src) {
+ keys->addrs.v4addrs.src = ip;
+ upd = true;
+ }
+ ip = rev ? tuple.src.u3.ip : tuple.dst.u3.ip;
+ if (ip != keys->addrs.v4addrs.dst) {
+ keys->addrs.v4addrs.dst = ip;
+ upd = true;
+ }
if (keys->ports.ports) {
- keys->ports.src = rev ? tuple.dst.u.all : tuple.src.u.all;
- keys->ports.dst = rev ? tuple.src.u.all : tuple.dst.u.all;
+ __be16 port;
+
+ port = rev ? tuple.dst.u.all : tuple.src.u.all;
+ if (port != keys->ports.src) {
+ keys->ports.src = port;
+ upd = true;
+ }
+ port = rev ? tuple.src.u.all : tuple.dst.u.all;
+ if (port != keys->ports.dst) {
+ port = keys->ports.dst;
+ upd = true;
+ }
}
+ return upd;
+#else
+ return false;
#endif
}
@@ -624,23 +646,36 @@ static bool cake_ddst(int flow_mode)
static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb,
int flow_mode, u16 flow_override, u16 host_override)
{
+ bool hash_flows = (!flow_override && !!(flow_mode & CAKE_FLOW_FLOWS));
+ bool hash_hosts = (!host_override && !!(flow_mode & CAKE_FLOW_HOSTS));
+ bool nat_enabled = !!(flow_mode & CAKE_FLOW_NAT_FLAG);
u32 flow_hash = 0, srchost_hash = 0, dsthost_hash = 0;
u16 reduced_hash, srchost_idx, dsthost_idx;
struct flow_keys keys, host_keys;
+ bool use_skbhash = skb->l4_hash;
if (unlikely(flow_mode == CAKE_FLOW_NONE))
return 0;
- /* If both overrides are set we can skip packet dissection entirely */
- if ((flow_override || !(flow_mode & CAKE_FLOW_FLOWS)) &&
- (host_override || !(flow_mode & CAKE_FLOW_HOSTS)))
+ /* If both overrides are set, or we can use the SKB hash and nat mode is
+ * disabled, we can skip packet dissection entirely. If nat mode is
+ * enabled there's another check below after doing the conntrack lookup.
+ */
+ if ((!hash_flows || (use_skbhash && !nat_enabled)) && !hash_hosts)
goto skip_hash;
skb_flow_dissect_flow_keys(skb, &keys,
FLOW_DISSECTOR_F_STOP_AT_FLOW_LABEL);
- if (flow_mode & CAKE_FLOW_NAT_FLAG)
- cake_update_flowkeys(&keys, skb);
+ /* Don't use the SKB hash if we change the lookup keys from conntrack */
+ if (nat_enabled && cake_update_flowkeys(&keys, skb))
+ use_skbhash = false;
+
+ /* If we can still use the SKB hash and don't need the host hash, we can
+ * skip the rest of the hashing procedure
+ */
+ if (use_skbhash && !hash_hosts)
+ goto skip_hash;
/* flow_hash_from_keys() sorts the addresses by value, so we have
* to preserve their order in a separate data structure to treat
@@ -679,12 +714,14 @@ static u32 cake_hash(struct cake_tin_data *q, const struct sk_buff *skb,
/* This *must* be after the above switch, since as a
* side-effect it sorts the src and dst addresses.
*/
- if (flow_mode & CAKE_FLOW_FLOWS)
+ if (hash_flows && !use_skbhash)
flow_hash = flow_hash_from_keys(&keys);
skip_hash:
if (flow_override)
flow_hash = flow_override - 1;
+ else if (use_skbhash)
+ flow_hash = skb->hash;
if (host_override) {
dsthost_hash = host_override - 1;
srchost_hash = host_override - 1;
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index a36974e9c601..bd618b00d319 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -131,7 +131,6 @@ static void choke_drop_by_idx(struct Qdisc *sch, unsigned int idx,
}
struct choke_skb_cb {
- u16 classid;
u8 keys_valid;
struct flow_keys_digest keys;
};
@@ -142,11 +141,6 @@ static inline struct choke_skb_cb *choke_skb_cb(const struct sk_buff *skb)
return (struct choke_skb_cb *)qdisc_skb_cb(skb)->data;
}
-static inline void choke_set_classid(struct sk_buff *skb, u16 classid)
-{
- choke_skb_cb(skb)->classid = classid;
-}
-
/*
* Compare flow of two packets
* Returns true only if source and destination address and port match.
@@ -323,7 +317,8 @@ static void choke_reset(struct Qdisc *sch)
sch->q.qlen = 0;
sch->qstats.backlog = 0;
- memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *));
+ if (q->tab)
+ memset(q->tab, 0, (q->tab_mask + 1) * sizeof(struct sk_buff *));
q->head = q->tail = 0;
red_restart(&q->vars);
}
diff --git a/net/sched/sch_etf.c b/net/sched/sch_etf.c
index b1da5589a0c6..c48f91075b5c 100644
--- a/net/sched/sch_etf.c
+++ b/net/sched/sch_etf.c
@@ -82,7 +82,7 @@ static bool is_packet_valid(struct Qdisc *sch, struct sk_buff *nskb)
if (q->skip_sock_check)
goto skip;
- if (!sk)
+ if (!sk || !sk_fullsock(sk))
return false;
if (!sock_flag(sk, SOCK_TXTIME))
@@ -137,8 +137,9 @@ static void report_sock_error(struct sk_buff *skb, u32 err, u8 code)
struct sock_exterr_skb *serr;
struct sk_buff *clone;
ktime_t txtime = skb->tstamp;
+ struct sock *sk = skb->sk;
- if (!skb->sk || !(skb->sk->sk_txtime_report_errors))
+ if (!sk || !sk_fullsock(sk) || !(sk->sk_txtime_report_errors))
return;
clone = skb_clone(skb, GFP_ATOMIC);
@@ -154,7 +155,7 @@ static void report_sock_error(struct sk_buff *skb, u32 err, u8 code)
serr->ee.ee_data = (txtime >> 32); /* high part of tstamp */
serr->ee.ee_info = txtime; /* low part of tstamp */
- if (sock_queue_err_skb(skb->sk, clone))
+ if (sock_queue_err_skb(sk, clone))
kfree_skb(clone);
}
diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index 4c060134c736..8f06a808c59a 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -66,22 +66,27 @@ static inline struct fq_skb_cb *fq_skb_cb(struct sk_buff *skb)
* in linear list (head,tail), otherwise are placed in a rbtree (t_root).
*/
struct fq_flow {
+/* First cache line : used in fq_gc(), fq_enqueue(), fq_dequeue() */
struct rb_root t_root;
struct sk_buff *head; /* list of skbs for this flow : first skb */
union {
struct sk_buff *tail; /* last skb in the list */
- unsigned long age; /* jiffies when flow was emptied, for gc */
+ unsigned long age; /* (jiffies | 1UL) when flow was emptied, for gc */
};
struct rb_node fq_node; /* anchor in fq_root[] trees */
struct sock *sk;
+ u32 socket_hash; /* sk_hash */
int qlen; /* number of packets in flow queue */
+
+/* Second cache line, used in fq_dequeue() */
int credit;
- u32 socket_hash; /* sk_hash */
- struct fq_flow *next; /* next pointer in RR lists, or &detached */
+ /* 32bit hole on 64bit arches */
+
+ struct fq_flow *next; /* next pointer in RR lists */
struct rb_node rate_node; /* anchor in q->delayed tree */
u64 time_next_packet;
-};
+} ____cacheline_aligned_in_smp;
struct fq_flow_head {
struct fq_flow *first;
@@ -95,6 +100,7 @@ struct fq_sched_data {
struct rb_root delayed; /* for rate limited flows */
u64 time_next_delayed_flow;
+ u64 ktime_cache; /* copy of last ktime_get_ns() */
unsigned long unthrottle_latency_ns;
struct fq_flow internal; /* for non classified or high prio packets */
@@ -104,12 +110,13 @@ struct fq_sched_data {
u32 flow_plimit; /* max packets per flow */
unsigned long flow_max_rate; /* optional max rate per flow */
u64 ce_threshold;
+ u64 horizon; /* horizon in ns */
u32 orphan_mask; /* mask for orphaned skb */
u32 low_rate_threshold;
struct rb_root *fq_root;
u8 rate_enable;
u8 fq_trees_log;
-
+ u8 horizon_drop;
u32 flows;
u32 inactive_flows;
u32 throttled_flows;
@@ -118,6 +125,8 @@ struct fq_sched_data {
u64 stat_internal_packets;
u64 stat_throttled;
u64 stat_ce_mark;
+ u64 stat_horizon_drops;
+ u64 stat_horizon_caps;
u64 stat_flows_plimit;
u64 stat_pkts_too_long;
u64 stat_allocation_errors;
@@ -126,20 +135,25 @@ struct fq_sched_data {
struct qdisc_watchdog watchdog;
};
-/* special value to mark a detached flow (not on old/new list) */
-static struct fq_flow detached, throttled;
-
+/*
+ * f->tail and f->age share the same location.
+ * We can use the low order bit to differentiate if this location points
+ * to a sk_buff or contains a jiffies value, if we force this value to be odd.
+ * This assumes f->tail low order bit must be 0 since alignof(struct sk_buff) >= 2
+ */
static void fq_flow_set_detached(struct fq_flow *f)
{
- f->next = &detached;
- f->age = jiffies;
+ f->age = jiffies | 1UL;
}
static bool fq_flow_is_detached(const struct fq_flow *f)
{
- return f->next == &detached;
+ return !!(f->age & 1UL);
}
+/* special value to mark a throttled flow (not on old/new list) */
+static struct fq_flow throttled;
+
static bool fq_flow_is_throttled(const struct fq_flow *f)
{
return f->next == &throttled;
@@ -204,9 +218,10 @@ static void fq_gc(struct fq_sched_data *q,
struct rb_root *root,
struct sock *sk)
{
- struct fq_flow *f, *tofree[FQ_GC_MAX];
struct rb_node **p, *parent;
- int fcnt = 0;
+ void *tofree[FQ_GC_MAX];
+ struct fq_flow *f;
+ int i, fcnt = 0;
p = &root->rb_node;
parent = NULL;
@@ -229,15 +244,18 @@ static void fq_gc(struct fq_sched_data *q,
p = &parent->rb_left;
}
+ if (!fcnt)
+ return;
+
+ for (i = fcnt; i > 0; ) {
+ f = tofree[--i];
+ rb_erase(&f->fq_node, root);
+ }
q->flows -= fcnt;
q->inactive_flows -= fcnt;
q->stat_gc_flows += fcnt;
- while (fcnt) {
- struct fq_flow *f = tofree[--fcnt];
- rb_erase(&f->fq_node, root);
- kmem_cache_free(fq_flow_cachep, f);
- }
+ kmem_cache_free_bulk(fq_flow_cachep, fcnt, tofree);
}
static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q)
@@ -370,19 +388,17 @@ static void fq_erase_head(struct Qdisc *sch, struct fq_flow *flow,
}
}
-/* remove one skb from head of flow queue */
-static struct sk_buff *fq_dequeue_head(struct Qdisc *sch, struct fq_flow *flow)
+/* Remove one skb from flow queue.
+ * This skb must be the return value of prior fq_peek().
+ */
+static void fq_dequeue_skb(struct Qdisc *sch, struct fq_flow *flow,
+ struct sk_buff *skb)
{
- struct sk_buff *skb = fq_peek(flow);
-
- if (skb) {
- fq_erase_head(sch, flow, skb);
- skb_mark_not_on_list(skb);
- flow->qlen--;
- qdisc_qstats_backlog_dec(sch, skb);
- sch->q.qlen--;
- }
- return skb;
+ fq_erase_head(sch, flow, skb);
+ skb_mark_not_on_list(skb);
+ flow->qlen--;
+ qdisc_qstats_backlog_dec(sch, skb);
+ sch->q.qlen--;
}
static void flow_queue_add(struct fq_flow *flow, struct sk_buff *skb)
@@ -390,8 +406,6 @@ static void flow_queue_add(struct fq_flow *flow, struct sk_buff *skb)
struct rb_node **p, *parent;
struct sk_buff *head, *aux;
- fq_skb_cb(skb)->time_to_send = skb->tstamp ?: ktime_get_ns();
-
head = flow->head;
if (!head ||
fq_skb_cb(skb)->time_to_send >= fq_skb_cb(flow->tail)->time_to_send) {
@@ -419,6 +433,12 @@ static void flow_queue_add(struct fq_flow *flow, struct sk_buff *skb)
rb_insert_color(&skb->rbnode, &flow->t_root);
}
+static bool fq_packet_beyond_horizon(const struct sk_buff *skb,
+ const struct fq_sched_data *q)
+{
+ return unlikely((s64)skb->tstamp > (s64)(q->ktime_cache + q->horizon));
+}
+
static int fq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
@@ -428,6 +448,28 @@ static int fq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (unlikely(sch->q.qlen >= sch->limit))
return qdisc_drop(skb, sch, to_free);
+ if (!skb->tstamp) {
+ fq_skb_cb(skb)->time_to_send = q->ktime_cache = ktime_get_ns();
+ } else {
+ /* Check if packet timestamp is too far in the future.
+ * Try first if our cached value, to avoid ktime_get_ns()
+ * cost in most cases.
+ */
+ if (fq_packet_beyond_horizon(skb, q)) {
+ /* Refresh our cache and check another time */
+ q->ktime_cache = ktime_get_ns();
+ if (fq_packet_beyond_horizon(skb, q)) {
+ if (q->horizon_drop) {
+ q->stat_horizon_drops++;
+ return qdisc_drop(skb, sch, to_free);
+ }
+ q->stat_horizon_caps++;
+ skb->tstamp = q->ktime_cache + q->horizon;
+ }
+ }
+ fq_skb_cb(skb)->time_to_send = skb->tstamp;
+ }
+
f = fq_classify(skb, q);
if (unlikely(f->qlen >= q->flow_plimit && f != &q->internal)) {
q->stat_flows_plimit++;
@@ -494,11 +536,13 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch)
if (!sch->q.qlen)
return NULL;
- skb = fq_dequeue_head(sch, &q->internal);
- if (skb)
+ skb = fq_peek(&q->internal);
+ if (unlikely(skb)) {
+ fq_dequeue_skb(sch, &q->internal, skb);
goto out;
+ }
- now = ktime_get_ns();
+ q->ktime_cache = now = ktime_get_ns();
fq_check_throttled(q, now);
begin:
head = &q->new_flows;
@@ -532,14 +576,13 @@ begin:
fq_flow_set_throttled(q, f);
goto begin;
}
+ prefetch(&skb->end);
if ((s64)(now - time_next_packet - q->ce_threshold) > 0) {
INET_ECN_set_ce(skb);
q->stat_ce_mark++;
}
- }
-
- skb = fq_dequeue_head(sch, f);
- if (!skb) {
+ fq_dequeue_skb(sch, f, skb);
+ } else {
head->first = f->next;
/* force a pass through old_flows to prevent starvation */
if ((head == &q->new_flows) && q->old_flows.first) {
@@ -550,7 +593,6 @@ begin:
}
goto begin;
}
- prefetch(&skb->end);
plen = qdisc_pkt_len(skb);
f->credit -= plen;
@@ -753,6 +795,8 @@ static const struct nla_policy fq_policy[TCA_FQ_MAX + 1] = {
[TCA_FQ_LOW_RATE_THRESHOLD] = { .type = NLA_U32 },
[TCA_FQ_CE_THRESHOLD] = { .type = NLA_U32 },
[TCA_FQ_TIMER_SLACK] = { .type = NLA_U32 },
+ [TCA_FQ_HORIZON] = { .type = NLA_U32 },
+ [TCA_FQ_HORIZON_DROP] = { .type = NLA_U8 },
};
static int fq_change(struct Qdisc *sch, struct nlattr *opt,
@@ -842,7 +886,15 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt,
if (tb[TCA_FQ_TIMER_SLACK])
q->timer_slack = nla_get_u32(tb[TCA_FQ_TIMER_SLACK]);
+ if (tb[TCA_FQ_HORIZON])
+ q->horizon = (u64)NSEC_PER_USEC *
+ nla_get_u32(tb[TCA_FQ_HORIZON]);
+
+ if (tb[TCA_FQ_HORIZON_DROP])
+ q->horizon_drop = nla_get_u8(tb[TCA_FQ_HORIZON_DROP]);
+
if (!err) {
+
sch_tree_unlock(sch);
err = fq_resize(sch, fq_log);
sch_tree_lock(sch);
@@ -895,6 +947,9 @@ static int fq_init(struct Qdisc *sch, struct nlattr *opt,
q->timer_slack = 10 * NSEC_PER_USEC; /* 10 usec of hrtimer slack */
+ q->horizon = 10ULL * NSEC_PER_SEC; /* 10 seconds */
+ q->horizon_drop = 1; /* by default, drop packets beyond horizon */
+
/* Default ce_threshold of 4294 seconds */
q->ce_threshold = (u64)NSEC_PER_USEC * ~0U;
@@ -912,6 +967,7 @@ static int fq_dump(struct Qdisc *sch, struct sk_buff *skb)
{
struct fq_sched_data *q = qdisc_priv(sch);
u64 ce_threshold = q->ce_threshold;
+ u64 horizon = q->horizon;
struct nlattr *opts;
opts = nla_nest_start_noflag(skb, TCA_OPTIONS);
@@ -921,6 +977,7 @@ static int fq_dump(struct Qdisc *sch, struct sk_buff *skb)
/* TCA_FQ_FLOW_DEFAULT_RATE is not used anymore */
do_div(ce_threshold, NSEC_PER_USEC);
+ do_div(horizon, NSEC_PER_USEC);
if (nla_put_u32(skb, TCA_FQ_PLIMIT, sch->limit) ||
nla_put_u32(skb, TCA_FQ_FLOW_PLIMIT, q->flow_plimit) ||
@@ -936,7 +993,9 @@ static int fq_dump(struct Qdisc *sch, struct sk_buff *skb)
q->low_rate_threshold) ||
nla_put_u32(skb, TCA_FQ_CE_THRESHOLD, (u32)ce_threshold) ||
nla_put_u32(skb, TCA_FQ_BUCKETS_LOG, q->fq_trees_log) ||
- nla_put_u32(skb, TCA_FQ_TIMER_SLACK, q->timer_slack))
+ nla_put_u32(skb, TCA_FQ_TIMER_SLACK, q->timer_slack) ||
+ nla_put_u32(skb, TCA_FQ_HORIZON, (u32)horizon) ||
+ nla_put_u8(skb, TCA_FQ_HORIZON_DROP, q->horizon_drop))
goto nla_put_failure;
return nla_nest_end(skb, opts);
@@ -967,6 +1026,8 @@ static int fq_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
st.unthrottle_latency_ns = min_t(unsigned long,
q->unthrottle_latency_ns, ~0U);
st.ce_mark = q->stat_ce_mark;
+ st.horizon_drops = q->stat_horizon_drops;
+ st.horizon_caps = q->stat_horizon_caps;
sch_tree_unlock(sch);
return gnet_stats_copy_app(d, &st, sizeof(st));
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 968519ff36e9..436160be9c18 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -416,7 +416,7 @@ static int fq_codel_change(struct Qdisc *sch, struct nlattr *opt,
q->quantum = max(256U, nla_get_u32(tb[TCA_FQ_CODEL_QUANTUM]));
if (tb[TCA_FQ_CODEL_DROP_BATCH_SIZE])
- q->drop_batch_size = min(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE]));
+ q->drop_batch_size = max(1U, nla_get_u32(tb[TCA_FQ_CODEL_DROP_BATCH_SIZE]));
if (tb[TCA_FQ_CODEL_MEMORY_LIMIT])
q->memory_limit = min(1U << 31, nla_get_u32(tb[TCA_FQ_CODEL_MEMORY_LIMIT]));
diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index a9da8776bf5b..fb760cee824e 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -297,9 +297,9 @@ static int fq_pie_change(struct Qdisc *sch, struct nlattr *opt,
goto flow_error;
}
q->flows_cnt = nla_get_u32(tb[TCA_FQ_PIE_FLOWS]);
- if (!q->flows_cnt || q->flows_cnt > 65536) {
+ if (!q->flows_cnt || q->flows_cnt >= 65536) {
NL_SET_ERR_MSG_MOD(extack,
- "Number of flows must be < 65536");
+ "Number of flows must range in [1..65535]");
goto flow_error;
}
}
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 2efd5b61acef..b19a0021a0bd 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -794,6 +794,9 @@ struct Qdisc_ops pfifo_fast_ops __read_mostly = {
};
EXPORT_SYMBOL(pfifo_fast_ops);
+static struct lock_class_key qdisc_tx_busylock;
+static struct lock_class_key qdisc_running_key;
+
struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
const struct Qdisc_ops *ops,
struct netlink_ext_ack *extack)
@@ -846,9 +849,17 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
}
spin_lock_init(&sch->busylock);
+ lockdep_set_class(&sch->busylock,
+ dev->qdisc_tx_busylock ?: &qdisc_tx_busylock);
+
/* seqlock has the same scope of busylock, for NOLOCK qdisc */
spin_lock_init(&sch->seqlock);
+ lockdep_set_class(&sch->busylock,
+ dev->qdisc_tx_busylock ?: &qdisc_tx_busylock);
+
seqcount_init(&sch->running);
+ lockdep_set_class(&sch->running,
+ dev->qdisc_running_key ?: &qdisc_running_key);
sch->ops = ops;
sch->flags = ops->static_flags;
@@ -859,12 +870,6 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
dev_hold(dev);
refcount_set(&sch->refcnt, 1);
- if (sch != &noop_qdisc) {
- lockdep_set_class(&sch->busylock, &dev->qdisc_tx_busylock_key);
- lockdep_set_class(&sch->seqlock, &dev->qdisc_tx_busylock_key);
- lockdep_set_class(&sch->running, &dev->qdisc_running_key);
- }
-
return sch;
errout1:
kfree(p);
@@ -891,8 +896,10 @@ struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue,
}
sch->parent = parentid;
- if (!ops->init || ops->init(sch, NULL, extack) == 0)
+ if (!ops->init || ops->init(sch, NULL, extack) == 0) {
+ trace_qdisc_create(ops, dev_queue->dev, parentid);
return sch;
+ }
qdisc_put(sch);
return NULL;
@@ -906,6 +913,8 @@ void qdisc_reset(struct Qdisc *qdisc)
const struct Qdisc_ops *ops = qdisc->ops;
struct sk_buff *skb, *tmp;
+ trace_qdisc_reset(qdisc);
+
if (ops->reset)
ops->reset(qdisc);
@@ -944,7 +953,6 @@ static void qdisc_free_cb(struct rcu_head *head)
static void qdisc_destroy(struct Qdisc *qdisc)
{
const struct Qdisc_ops *ops = qdisc->ops;
- struct sk_buff *skb, *tmp;
#ifdef CONFIG_NET_SCHED
qdisc_hash_del(qdisc);
@@ -952,23 +960,16 @@ static void qdisc_destroy(struct Qdisc *qdisc)
qdisc_put_stab(rtnl_dereference(qdisc->stab));
#endif
gen_kill_estimator(&qdisc->rate_est);
- if (ops->reset)
- ops->reset(qdisc);
+
+ qdisc_reset(qdisc);
+
if (ops->destroy)
ops->destroy(qdisc);
module_put(ops->owner);
dev_put(qdisc_dev(qdisc));
- skb_queue_walk_safe(&qdisc->gso_skb, skb, tmp) {
- __skb_unlink(skb, &qdisc->gso_skb);
- kfree_skb_list(skb);
- }
-
- skb_queue_walk_safe(&qdisc->skb_bad_txq, skb, tmp) {
- __skb_unlink(skb, &qdisc->skb_bad_txq);
- kfree_skb_list(skb);
- }
+ trace_qdisc_destroy(qdisc);
call_rcu(&qdisc->rcu, qdisc_free_cb);
}
@@ -1037,10 +1038,9 @@ static void attach_one_default_qdisc(struct net_device *dev,
ops = &pfifo_fast_ops;
qdisc = qdisc_create_dflt(dev_queue, ops, TC_H_ROOT, NULL);
- if (!qdisc) {
- netdev_info(dev, "activation failed\n");
+ if (!qdisc)
return;
- }
+
if (!netif_is_multiqueue(dev))
qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
dev_queue->qdisc_sleeping = qdisc;
@@ -1065,6 +1065,18 @@ static void attach_default_qdiscs(struct net_device *dev)
qdisc->ops->attach(qdisc);
}
}
+
+ /* Detect default qdisc setup/init failed and fallback to "noqueue" */
+ if (dev->qdisc == &noop_qdisc) {
+ netdev_warn(dev, "default qdisc (%s) fail, fallback to %s\n",
+ default_qdisc_ops->id, noqueue_qdisc_ops.id);
+ dev->priv_flags |= IFF_NO_QUEUE;
+ netdev_for_each_tx_queue(dev, attach_one_default_qdisc, NULL);
+ dev->qdisc = txq->qdisc_sleeping;
+ qdisc_refcount_inc(dev->qdisc);
+ dev->priv_flags ^= IFF_NO_QUEUE;
+ }
+
#ifdef CONFIG_NET_SCHED
if (dev->qdisc != &noop_qdisc)
qdisc_hash_add(dev->qdisc, false);
@@ -1116,6 +1128,28 @@ void dev_activate(struct net_device *dev)
}
EXPORT_SYMBOL(dev_activate);
+static void qdisc_deactivate(struct Qdisc *qdisc)
+{
+ bool nolock = qdisc->flags & TCQ_F_NOLOCK;
+
+ if (qdisc->flags & TCQ_F_BUILTIN)
+ return;
+ if (test_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state))
+ return;
+
+ if (nolock)
+ spin_lock_bh(&qdisc->seqlock);
+ spin_lock_bh(qdisc_lock(qdisc));
+
+ set_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state);
+
+ qdisc_reset(qdisc);
+
+ spin_unlock_bh(qdisc_lock(qdisc));
+ if (nolock)
+ spin_unlock_bh(&qdisc->seqlock);
+}
+
static void dev_deactivate_queue(struct net_device *dev,
struct netdev_queue *dev_queue,
void *_qdisc_default)
@@ -1125,21 +1159,8 @@ static void dev_deactivate_queue(struct net_device *dev,
qdisc = rtnl_dereference(dev_queue->qdisc);
if (qdisc) {
- bool nolock = qdisc->flags & TCQ_F_NOLOCK;
-
- if (nolock)
- spin_lock_bh(&qdisc->seqlock);
- spin_lock_bh(qdisc_lock(qdisc));
-
- if (!(qdisc->flags & TCQ_F_BUILTIN))
- set_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state);
-
+ qdisc_deactivate(qdisc);
rcu_assign_pointer(dev_queue->qdisc, qdisc_default);
- qdisc_reset(qdisc);
-
- spin_unlock_bh(qdisc_lock(qdisc));
- if (nolock)
- spin_unlock_bh(&qdisc->seqlock);
}
}
@@ -1170,16 +1191,6 @@ static bool some_qdisc_is_busy(struct net_device *dev)
return false;
}
-static void dev_qdisc_reset(struct net_device *dev,
- struct netdev_queue *dev_queue,
- void *none)
-{
- struct Qdisc *qdisc = dev_queue->qdisc_sleeping;
-
- if (qdisc)
- qdisc_reset(qdisc);
-}
-
/**
* dev_deactivate_many - deactivate transmissions on several devices
* @head: list of devices to deactivate
@@ -1216,12 +1227,6 @@ void dev_deactivate_many(struct list_head *head)
*/
schedule_timeout_uninterruptible(1);
}
- /* The new qdisc is assigned at this point so we can safely
- * unwind stale skb lists and qdisc statistics
- */
- netdev_for_each_tx_queue(dev, dev_qdisc_reset, NULL);
- if (dev_ingress_queue(dev))
- dev_qdisc_reset(dev, dev_ingress_queue(dev), NULL);
}
}
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index c7de47c942e3..555a1b9e467f 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -48,7 +48,7 @@ struct red_sched_data {
struct Qdisc *qdisc;
};
-static const u32 red_supported_flags = TC_RED_HISTORIC_FLAGS | TC_RED_NODROP;
+#define TC_RED_SUPPORTED_FLAGS (TC_RED_HISTORIC_FLAGS | TC_RED_NODROP)
static inline int red_use_ecn(struct red_sched_data *q)
{
@@ -212,8 +212,7 @@ static const struct nla_policy red_policy[TCA_RED_MAX + 1] = {
[TCA_RED_PARMS] = { .len = sizeof(struct tc_red_qopt) },
[TCA_RED_STAB] = { .len = RED_STAB_SIZE },
[TCA_RED_MAX_P] = { .type = NLA_U32 },
- [TCA_RED_FLAGS] = { .type = NLA_BITFIELD32,
- .validation_data = &red_supported_flags },
+ [TCA_RED_FLAGS] = NLA_POLICY_BITFIELD32(TC_RED_SUPPORTED_FLAGS),
};
static int red_change(struct Qdisc *sch, struct nlattr *opt,
@@ -248,7 +247,7 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt,
return -EINVAL;
err = red_get_flags(ctl->flags, TC_RED_HISTORIC_FLAGS,
- tb[TCA_RED_FLAGS], red_supported_flags,
+ tb[TCA_RED_FLAGS], TC_RED_SUPPORTED_FLAGS,
&flags_bf, &userbits, extack);
if (err)
return err;
@@ -372,7 +371,7 @@ static int red_dump(struct Qdisc *sch, struct sk_buff *skb)
if (nla_put(skb, TCA_RED_PARMS, sizeof(opt), &opt) ||
nla_put_u32(skb, TCA_RED_MAX_P, q->parms.max_P) ||
nla_put_bitfield32(skb, TCA_RED_FLAGS,
- q->flags, red_supported_flags))
+ q->flags, TC_RED_SUPPORTED_FLAGS))
goto nla_put_failure;
return nla_nest_end(skb, opts);
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index c787d4d46017..5a6def5e4e6d 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -637,6 +637,15 @@ static int sfq_change(struct Qdisc *sch, struct nlattr *opt)
if (ctl->divisor &&
(!is_power_of_2(ctl->divisor) || ctl->divisor > 65536))
return -EINVAL;
+
+ /* slot->allot is a short, make sure quantum is not too big. */
+ if (ctl->quantum) {
+ unsigned int scaled = SFQ_ALLOT_SIZE(ctl->quantum);
+
+ if (scaled <= 0 || scaled > SHRT_MAX)
+ return -EINVAL;
+ }
+
if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max,
ctl_v1->Wlog))
return -EINVAL;
diff --git a/net/sched/sch_skbprio.c b/net/sched/sch_skbprio.c
index 0fb10abf7579..7a5e4c454715 100644
--- a/net/sched/sch_skbprio.c
+++ b/net/sched/sch_skbprio.c
@@ -169,6 +169,9 @@ static int skbprio_change(struct Qdisc *sch, struct nlattr *opt,
{
struct tc_skbprio_qopt *ctl = nla_data(opt);
+ if (opt->nla_len != nla_attr_size(sizeof(*ctl)))
+ return -EINVAL;
+
sch->limit = ctl->limit;
return 0;
}
diff --git a/net/sctp/Kconfig b/net/sctp/Kconfig
index 6e2eb1dd64ed..68934438ee19 100644
--- a/net/sctp/Kconfig
+++ b/net/sctp/Kconfig
@@ -31,7 +31,7 @@ menuconfig IP_SCTP
homing at either or both ends of an association."
To compile this protocol support as a module, choose M here: the
- module will be called sctp. Debug messages are handeled by the
+ module will be called sctp. Debug messages are handled by the
kernel's dynamic debugging framework.
If in doubt, say N.
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 437079a4883d..72315137d7e7 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -432,7 +432,7 @@ void sctp_assoc_set_primary(struct sctp_association *asoc,
changeover = 1 ;
asoc->peer.primary_path = transport;
- sctp_ulpevent_nofity_peer_addr_change(transport,
+ sctp_ulpevent_notify_peer_addr_change(transport,
SCTP_ADDR_MADE_PRIM, 0);
/* Set a default msg_name for events. */
@@ -574,7 +574,7 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
asoc->peer.transport_count--;
- sctp_ulpevent_nofity_peer_addr_change(peer, SCTP_ADDR_REMOVED, 0);
+ sctp_ulpevent_notify_peer_addr_change(peer, SCTP_ADDR_REMOVED, 0);
sctp_transport_free(peer);
}
@@ -714,7 +714,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
list_add_tail_rcu(&peer->transports, &asoc->peer.transport_addr_list);
asoc->peer.transport_count++;
- sctp_ulpevent_nofity_peer_addr_change(peer, SCTP_ADDR_ADDED, 0);
+ sctp_ulpevent_notify_peer_addr_change(peer, SCTP_ADDR_ADDED, 0);
/* If we do not yet have a primary path, set one. */
if (!asoc->peer.primary_path) {
@@ -840,7 +840,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
* to the user.
*/
if (ulp_notify)
- sctp_ulpevent_nofity_peer_addr_change(transport,
+ sctp_ulpevent_notify_peer_addr_change(transport,
spc_state, error);
/* Select new active and retran paths. */
diff --git a/net/sctp/auth.c b/net/sctp/auth.c
index 4278764d82b8..83e97e8892e0 100644
--- a/net/sctp/auth.c
+++ b/net/sctp/auth.c
@@ -741,14 +741,8 @@ void sctp_auth_calculate_hmac(const struct sctp_association *asoc,
if (crypto_shash_setkey(tfm, &asoc_key->data[0], asoc_key->len))
goto free;
- {
- SHASH_DESC_ON_STACK(desc, tfm);
-
- desc->tfm = tfm;
- crypto_shash_digest(desc, (u8 *)auth,
- end - (unsigned char *)auth, digest);
- shash_desc_zero(desc);
- }
+ crypto_shash_tfm_digest(tfm, (u8 *)auth, end - (unsigned char *)auth,
+ digest);
free:
if (free_key)
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index c87af430107a..ccfa0ab3e7f4 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -1032,6 +1032,7 @@ static const struct proto_ops inet6_seqpacket_ops = {
.recvmsg = inet_recvmsg,
.mmap = sock_no_mmap,
#ifdef CONFIG_COMPAT
+ .compat_ioctl = inet6_compat_ioctl,
.compat_setsockopt = compat_sock_common_setsockopt,
.compat_getsockopt = compat_sock_common_getsockopt,
#endif
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 09050c1d5517..47910470e532 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -858,7 +858,11 @@ struct sctp_chunk *sctp_make_shutdown(const struct sctp_association *asoc,
struct sctp_chunk *retval;
__u32 ctsn;
- ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
+ if (chunk && chunk->asoc)
+ ctsn = sctp_tsnmap_get_ctsn(&chunk->asoc->peer.tsn_map);
+ else
+ ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map);
+
shut.cum_tsn_ack = htonl(ctsn);
retval = sctp_make_control(asoc, SCTP_CID_SHUTDOWN, 0,
@@ -1666,17 +1670,14 @@ static struct sctp_cookie_param *sctp_pack_cookie(
ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len);
if (sctp_sk(ep->base.sk)->hmac) {
- SHASH_DESC_ON_STACK(desc, sctp_sk(ep->base.sk)->hmac);
+ struct crypto_shash *tfm = sctp_sk(ep->base.sk)->hmac;
int err;
/* Sign the message. */
- desc->tfm = sctp_sk(ep->base.sk)->hmac;
-
- err = crypto_shash_setkey(desc->tfm, ep->secret_key,
+ err = crypto_shash_setkey(tfm, ep->secret_key,
sizeof(ep->secret_key)) ?:
- crypto_shash_digest(desc, (u8 *)&cookie->c, bodysize,
- cookie->signature);
- shash_desc_zero(desc);
+ crypto_shash_tfm_digest(tfm, (u8 *)&cookie->c, bodysize,
+ cookie->signature);
if (err)
goto free_cookie;
}
@@ -1737,17 +1738,13 @@ struct sctp_association *sctp_unpack_cookie(
/* Check the signature. */
{
- SHASH_DESC_ON_STACK(desc, sctp_sk(ep->base.sk)->hmac);
+ struct crypto_shash *tfm = sctp_sk(ep->base.sk)->hmac;
int err;
- desc->tfm = sctp_sk(ep->base.sk)->hmac;
-
- err = crypto_shash_setkey(desc->tfm, ep->secret_key,
+ err = crypto_shash_setkey(tfm, ep->secret_key,
sizeof(ep->secret_key)) ?:
- crypto_shash_digest(desc, (u8 *)bear_cookie, bodysize,
- digest);
- shash_desc_zero(desc);
-
+ crypto_shash_tfm_digest(tfm, (u8 *)bear_cookie, bodysize,
+ digest);
if (err) {
*error = -SCTP_IERROR_NOMEM;
goto fail;
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 2bc29463e1dc..9f36fe911d08 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -1523,9 +1523,17 @@ static int sctp_cmd_interpreter(enum sctp_event_type event_type,
timeout = asoc->timeouts[cmd->obj.to];
BUG_ON(!timeout);
- timer->expires = jiffies + timeout;
- sctp_association_hold(asoc);
- add_timer(timer);
+ /*
+ * SCTP has a hard time with timer starts. Because we process
+ * timer starts as side effects, it can be hard to tell if we
+ * have already started a timer or not, which leads to BUG
+ * halts when we call add_timer. So here, instead of just starting
+ * a timer, if the timer is already started, and just mod
+ * the timer with the shorter of the two expiration times
+ */
+ if (!timer_pending(timer))
+ sctp_association_hold(asoc);
+ timer_reduce(timer, jiffies + timeout);
break;
case SCTP_CMD_TIMER_RESTART:
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 6a16af4b1ef6..e86620fbd90f 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1856,16 +1856,17 @@ static enum sctp_disposition sctp_sf_do_dupcook_a(
/* Update the content of current association. */
sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
- if (sctp_state(asoc, SHUTDOWN_PENDING) &&
+ if ((sctp_state(asoc, SHUTDOWN_PENDING) ||
+ sctp_state(asoc, SHUTDOWN_SENT)) &&
(sctp_sstate(asoc->base.sk, CLOSING) ||
sock_flag(asoc->base.sk, SOCK_DEAD))) {
- /* if were currently in SHUTDOWN_PENDING, but the socket
- * has been closed by user, don't transition to ESTABLISHED.
- * Instead trigger SHUTDOWN bundled with COOKIE_ACK.
+ /* If the socket has been closed by user, don't
+ * transition to ESTABLISHED. Instead trigger SHUTDOWN
+ * bundled with COOKIE_ACK.
*/
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,
- SCTP_ST_CHUNK(0), NULL,
+ SCTP_ST_CHUNK(0), repl,
commands);
} else {
sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
@@ -5470,7 +5471,7 @@ enum sctp_disposition sctp_sf_do_9_2_start_shutdown(
* in the Cumulative TSN Ack field the last sequential TSN it
* has received from the peer.
*/
- reply = sctp_make_shutdown(asoc, NULL);
+ reply = sctp_make_shutdown(asoc, arg);
if (!reply)
goto nomem;
@@ -6068,7 +6069,7 @@ enum sctp_disposition sctp_sf_autoclose_timer_expire(
disposition = SCTP_DISPOSITION_CONSUME;
if (sctp_outq_is_empty(&asoc->outqueue)) {
disposition = sctp_sf_do_9_2_start_shutdown(net, ep, asoc, type,
- arg, commands);
+ NULL, commands);
}
return disposition;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 827a9903ee28..d57e1a002ffc 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -972,23 +972,22 @@ int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
* it.
*
* sk The sk of the socket
- * addrs The pointer to the addresses in user land
+ * addrs The pointer to the addresses
* addrssize Size of the addrs buffer
* op Operation to perform (add or remove, see the flags of
* sctp_bindx)
*
* Returns 0 if ok, <0 errno code on error.
*/
-static int sctp_setsockopt_bindx(struct sock *sk,
- struct sockaddr __user *addrs,
- int addrs_size, int op)
+static int sctp_setsockopt_bindx_kernel(struct sock *sk,
+ struct sockaddr *addrs, int addrs_size,
+ int op)
{
- struct sockaddr *kaddrs;
int err;
int addrcnt = 0;
int walk_size = 0;
struct sockaddr *sa_addr;
- void *addr_buf;
+ void *addr_buf = addrs;
struct sctp_af *af;
pr_debug("%s: sk:%p addrs:%p addrs_size:%d opt:%d\n",
@@ -997,17 +996,10 @@ static int sctp_setsockopt_bindx(struct sock *sk,
if (unlikely(addrs_size <= 0))
return -EINVAL;
- kaddrs = memdup_user(addrs, addrs_size);
- if (IS_ERR(kaddrs))
- return PTR_ERR(kaddrs);
-
/* Walk through the addrs buffer and count the number of addresses. */
- addr_buf = kaddrs;
while (walk_size < addrs_size) {
- if (walk_size + sizeof(sa_family_t) > addrs_size) {
- kfree(kaddrs);
+ if (walk_size + sizeof(sa_family_t) > addrs_size)
return -EINVAL;
- }
sa_addr = addr_buf;
af = sctp_get_af_specific(sa_addr->sa_family);
@@ -1015,10 +1007,8 @@ static int sctp_setsockopt_bindx(struct sock *sk,
/* If the address family is not supported or if this address
* causes the address buffer to overflow return EINVAL.
*/
- if (!af || (walk_size + af->sockaddr_len) > addrs_size) {
- kfree(kaddrs);
+ if (!af || (walk_size + af->sockaddr_len) > addrs_size)
return -EINVAL;
- }
addrcnt++;
addr_buf += af->sockaddr_len;
walk_size += af->sockaddr_len;
@@ -1029,31 +1019,48 @@ static int sctp_setsockopt_bindx(struct sock *sk,
case SCTP_BINDX_ADD_ADDR:
/* Allow security module to validate bindx addresses. */
err = security_sctp_bind_connect(sk, SCTP_SOCKOPT_BINDX_ADD,
- (struct sockaddr *)kaddrs,
- addrs_size);
+ addrs, addrs_size);
if (err)
- goto out;
- err = sctp_bindx_add(sk, kaddrs, addrcnt);
+ return err;
+ err = sctp_bindx_add(sk, addrs, addrcnt);
if (err)
- goto out;
- err = sctp_send_asconf_add_ip(sk, kaddrs, addrcnt);
- break;
-
+ return err;
+ return sctp_send_asconf_add_ip(sk, addrs, addrcnt);
case SCTP_BINDX_REM_ADDR:
- err = sctp_bindx_rem(sk, kaddrs, addrcnt);
+ err = sctp_bindx_rem(sk, addrs, addrcnt);
if (err)
- goto out;
- err = sctp_send_asconf_del_ip(sk, kaddrs, addrcnt);
- break;
+ return err;
+ return sctp_send_asconf_del_ip(sk, addrs, addrcnt);
default:
- err = -EINVAL;
- break;
+ return -EINVAL;
}
+}
-out:
+static int sctp_setsockopt_bindx(struct sock *sk,
+ struct sockaddr __user *addrs,
+ int addrs_size, int op)
+{
+ struct sockaddr *kaddrs;
+ int err;
+
+ kaddrs = memdup_user(addrs, addrs_size);
+ if (IS_ERR(kaddrs))
+ return PTR_ERR(kaddrs);
+ err = sctp_setsockopt_bindx_kernel(sk, kaddrs, addrs_size, op);
kfree(kaddrs);
+ return err;
+}
+static int sctp_bind_add(struct sock *sk, struct sockaddr *addrs,
+ int addrlen)
+{
+ int err;
+
+ lock_sock(sk);
+ err = sctp_setsockopt_bindx_kernel(sk, addrs, addrlen,
+ SCTP_BINDX_ADD_ADDR);
+ release_sock(sk);
return err;
}
@@ -9625,6 +9632,7 @@ struct proto sctp_prot = {
.sendmsg = sctp_sendmsg,
.recvmsg = sctp_recvmsg,
.bind = sctp_bind,
+ .bind_add = sctp_bind_add,
.backlog_rcv = sctp_backlog_rcv,
.hash = sctp_hash,
.unhash = sctp_unhash,
@@ -9667,6 +9675,7 @@ struct proto sctpv6_prot = {
.sendmsg = sctp_sendmsg,
.recvmsg = sctp_recvmsg,
.bind = sctp_bind,
+ .bind_add = sctp_bind_add,
.backlog_rcv = sctp_backlog_rcv,
.hash = sctp_hash,
.unhash = sctp_unhash,
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 4740aa70e652..c16c80963e55 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -43,20 +43,15 @@ static unsigned long max_autoclose_max =
? UINT_MAX : MAX_SCHEDULE_TIMEOUT / HZ;
static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
-static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
+static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write, void *buffer,
+ size_t *lenp, loff_t *ppos);
static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos);
+ void *buffer, size_t *lenp, loff_t *ppos);
static struct ctl_table sctp_table[] = {
{
@@ -343,8 +338,7 @@ static struct ctl_table sctp_net_table[] = {
};
static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
struct ctl_table tbl;
@@ -389,8 +383,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write,
}
static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
unsigned int min = *(unsigned int *) ctl->extra1;
@@ -418,8 +411,7 @@ static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write,
}
static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
unsigned int min = *(unsigned int *) ctl->extra1;
@@ -447,8 +439,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write,
}
static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (write)
pr_warn_once("Changing rto_alpha or rto_beta may lead to "
@@ -458,8 +449,7 @@ static int proc_sctp_do_alpha_beta(struct ctl_table *ctl, int write,
}
static int proc_sctp_do_auth(struct ctl_table *ctl, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct net *net = current->nsproxy->net_ns;
struct ctl_table tbl;
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index c82dbdcf13f2..0c3d2b4d7321 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -336,13 +336,16 @@ fail:
return NULL;
}
-void sctp_ulpevent_nofity_peer_addr_change(struct sctp_transport *transport,
+void sctp_ulpevent_notify_peer_addr_change(struct sctp_transport *transport,
int state, int error)
{
struct sctp_association *asoc = transport->asoc;
struct sockaddr_storage addr;
struct sctp_ulpevent *event;
+ if (asoc->state < SCTP_STATE_ESTABLISHED)
+ return;
+
memset(&addr, 0, sizeof(struct sockaddr_storage));
memcpy(&addr, &transport->ipaddr, transport->af_specific->sockaddr_len);
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 6fd44bdb0fc3..903321543838 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -337,50 +337,61 @@ static void smc_copy_sock_settings_to_smc(struct smc_sock *smc)
smc_copy_sock_settings(&smc->sk, smc->clcsock->sk, SK_FLAGS_CLC_TO_SMC);
}
-/* register a new rmb, send confirm_rkey msg to register with peer */
-static int smc_reg_rmb(struct smc_link *link, struct smc_buf_desc *rmb_desc,
- bool conf_rkey)
-{
- if (!rmb_desc->wr_reg) {
- /* register memory region for new rmb */
- if (smc_wr_reg_send(link, rmb_desc->mr_rx[SMC_SINGLE_LINK])) {
- rmb_desc->regerr = 1;
- return -EFAULT;
- }
- rmb_desc->wr_reg = 1;
+/* register the new rmb on all links */
+static int smcr_lgr_reg_rmbs(struct smc_link *link,
+ struct smc_buf_desc *rmb_desc)
+{
+ struct smc_link_group *lgr = link->lgr;
+ int i, rc = 0;
+
+ rc = smc_llc_flow_initiate(lgr, SMC_LLC_FLOW_RKEY);
+ if (rc)
+ return rc;
+ /* protect against parallel smc_llc_cli_rkey_exchange() and
+ * parallel smcr_link_reg_rmb()
+ */
+ mutex_lock(&lgr->llc_conf_mutex);
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].state != SMC_LNK_ACTIVE)
+ continue;
+ rc = smcr_link_reg_rmb(&lgr->lnk[i], rmb_desc);
+ if (rc)
+ goto out;
}
- if (!conf_rkey)
- return 0;
+
/* exchange confirm_rkey msg with peer */
- if (smc_llc_do_confirm_rkey(link, rmb_desc)) {
- rmb_desc->regerr = 1;
- return -EFAULT;
+ rc = smc_llc_do_confirm_rkey(link, rmb_desc);
+ if (rc) {
+ rc = -EFAULT;
+ goto out;
}
- return 0;
+ rmb_desc->is_conf_rkey = true;
+out:
+ mutex_unlock(&lgr->llc_conf_mutex);
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl);
+ return rc;
}
-static int smc_clnt_conf_first_link(struct smc_sock *smc)
+static int smcr_clnt_conf_first_link(struct smc_sock *smc)
{
- struct net *net = sock_net(smc->clcsock->sk);
- struct smc_link_group *lgr = smc->conn.lgr;
- struct smc_link *link;
- int rest;
+ struct smc_link *link = smc->conn.lnk;
+ struct smc_llc_qentry *qentry;
int rc;
- link = &lgr->lnk[SMC_SINGLE_LINK];
/* receive CONFIRM LINK request from server over RoCE fabric */
- rest = wait_for_completion_interruptible_timeout(
- &link->llc_confirm,
- SMC_LLC_WAIT_FIRST_TIME);
- if (rest <= 0) {
+ qentry = smc_llc_wait(link->lgr, NULL, SMC_LLC_WAIT_TIME,
+ SMC_LLC_CONFIRM_LINK);
+ if (!qentry) {
struct smc_clc_msg_decline dclc;
rc = smc_clc_wait_msg(smc, &dclc, sizeof(dclc),
SMC_CLC_DECLINE, CLC_WAIT_TIME_SHORT);
return rc == -EAGAIN ? SMC_CLC_DECL_TIMEOUT_CL : rc;
}
-
- if (link->llc_confirm_rc)
+ smc_llc_save_peer_uid(qentry);
+ rc = smc_llc_eval_conf_link(qentry, SMC_LLC_REQ);
+ smc_llc_flow_qentry_del(&link->lgr->llc_flow_lcl);
+ if (rc)
return SMC_CLC_DECL_RMBE_EC;
rc = smc_ib_modify_qp_rts(link);
@@ -389,34 +400,34 @@ static int smc_clnt_conf_first_link(struct smc_sock *smc)
smc_wr_remember_qp_attr(link);
- if (smc_reg_rmb(link, smc->conn.rmb_desc, false))
+ if (smcr_link_reg_rmb(link, smc->conn.rmb_desc))
return SMC_CLC_DECL_ERR_REGRMB;
+ /* confirm_rkey is implicit on 1st contact */
+ smc->conn.rmb_desc->is_conf_rkey = true;
+
/* send CONFIRM LINK response over RoCE fabric */
rc = smc_llc_send_confirm_link(link, SMC_LLC_RESP);
if (rc < 0)
return SMC_CLC_DECL_TIMEOUT_CL;
- /* receive ADD LINK request from server over RoCE fabric */
- rest = wait_for_completion_interruptible_timeout(&link->llc_add,
- SMC_LLC_WAIT_TIME);
- if (rest <= 0) {
+ smc_llc_link_active(link);
+ smcr_lgr_set_type(link->lgr, SMC_LGR_SINGLE);
+
+ /* optional 2nd link, receive ADD LINK request from server */
+ qentry = smc_llc_wait(link->lgr, NULL, SMC_LLC_WAIT_TIME,
+ SMC_LLC_ADD_LINK);
+ if (!qentry) {
struct smc_clc_msg_decline dclc;
rc = smc_clc_wait_msg(smc, &dclc, sizeof(dclc),
SMC_CLC_DECLINE, CLC_WAIT_TIME_SHORT);
- return rc == -EAGAIN ? SMC_CLC_DECL_TIMEOUT_AL : rc;
+ if (rc == -EAGAIN)
+ rc = 0; /* no DECLINE received, go with one link */
+ return rc;
}
-
- /* send add link reject message, only one link supported for now */
- rc = smc_llc_send_add_link(link,
- link->smcibdev->mac[link->ibport - 1],
- link->gid, SMC_LLC_RESP);
- if (rc < 0)
- return SMC_CLC_DECL_TIMEOUT_AL;
-
- smc_llc_link_active(link, net->ipv4.sysctl_tcp_keepalive_time);
-
+ smc_llc_flow_qentry_clr(&link->lgr->llc_flow_lcl);
+ smc_llc_cli_add_link(link, qentry);
return 0;
}
@@ -596,8 +607,8 @@ static int smc_connect_rdma(struct smc_sock *smc,
struct smc_clc_msg_accept_confirm *aclc,
struct smc_init_info *ini)
{
+ int i, reason_code = 0;
struct smc_link *link;
- int reason_code = 0;
ini->is_smcd = false;
ini->ib_lcl = &aclc->lcl;
@@ -610,10 +621,28 @@ static int smc_connect_rdma(struct smc_sock *smc,
mutex_unlock(&smc_client_lgr_pending);
return reason_code;
}
- link = &smc->conn.lgr->lnk[SMC_SINGLE_LINK];
smc_conn_save_peer_info(smc, aclc);
+ if (ini->cln_first_contact == SMC_FIRST_CONTACT) {
+ link = smc->conn.lnk;
+ } else {
+ /* set link that was assigned by server */
+ link = NULL;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ struct smc_link *l = &smc->conn.lgr->lnk[i];
+
+ if (l->peer_qpn == ntoh24(aclc->qpn)) {
+ link = l;
+ break;
+ }
+ }
+ if (!link)
+ return smc_connect_abort(smc, SMC_CLC_DECL_NOSRVLINK,
+ ini->cln_first_contact);
+ smc->conn.lnk = link;
+ }
+
/* create send buffer and rmb */
if (smc_buf_create(smc, false))
return smc_connect_abort(smc, SMC_CLC_DECL_MEM,
@@ -622,7 +651,7 @@ static int smc_connect_rdma(struct smc_sock *smc,
if (ini->cln_first_contact == SMC_FIRST_CONTACT)
smc_link_save_peer_info(link, aclc);
- if (smc_rmb_rtoken_handling(&smc->conn, aclc))
+ if (smc_rmb_rtoken_handling(&smc->conn, link, aclc))
return smc_connect_abort(smc, SMC_CLC_DECL_ERR_RTOK,
ini->cln_first_contact);
@@ -634,7 +663,7 @@ static int smc_connect_rdma(struct smc_sock *smc,
return smc_connect_abort(smc, SMC_CLC_DECL_ERR_RDYLNK,
ini->cln_first_contact);
} else {
- if (smc_reg_rmb(link, smc->conn.rmb_desc, true))
+ if (smcr_lgr_reg_rmbs(link, smc->conn.rmb_desc))
return smc_connect_abort(smc, SMC_CLC_DECL_ERR_REGRMB,
ini->cln_first_contact);
}
@@ -649,7 +678,9 @@ static int smc_connect_rdma(struct smc_sock *smc,
if (ini->cln_first_contact == SMC_FIRST_CONTACT) {
/* QP confirmation over RoCE fabric */
- reason_code = smc_clnt_conf_first_link(smc);
+ smc_llc_flow_initiate(link->lgr, SMC_LLC_FLOW_ADD_LINK);
+ reason_code = smcr_clnt_conf_first_link(smc);
+ smc_llc_flow_stop(link->lgr, &link->lgr->llc_flow_lcl);
if (reason_code)
return smc_connect_abort(smc, reason_code,
ini->cln_first_contact);
@@ -999,17 +1030,13 @@ void smc_close_non_accepted(struct sock *sk)
sock_put(sk); /* final sock_put */
}
-static int smc_serv_conf_first_link(struct smc_sock *smc)
+static int smcr_serv_conf_first_link(struct smc_sock *smc)
{
- struct net *net = sock_net(smc->clcsock->sk);
- struct smc_link_group *lgr = smc->conn.lgr;
- struct smc_link *link;
- int rest;
+ struct smc_link *link = smc->conn.lnk;
+ struct smc_llc_qentry *qentry;
int rc;
- link = &lgr->lnk[SMC_SINGLE_LINK];
-
- if (smc_reg_rmb(link, smc->conn.rmb_desc, false))
+ if (smcr_link_reg_rmb(link, smc->conn.rmb_desc))
return SMC_CLC_DECL_ERR_REGRMB;
/* send CONFIRM LINK request to client over the RoCE fabric */
@@ -1018,40 +1045,29 @@ static int smc_serv_conf_first_link(struct smc_sock *smc)
return SMC_CLC_DECL_TIMEOUT_CL;
/* receive CONFIRM LINK response from client over the RoCE fabric */
- rest = wait_for_completion_interruptible_timeout(
- &link->llc_confirm_resp,
- SMC_LLC_WAIT_FIRST_TIME);
- if (rest <= 0) {
+ qentry = smc_llc_wait(link->lgr, link, SMC_LLC_WAIT_TIME,
+ SMC_LLC_CONFIRM_LINK);
+ if (!qentry) {
struct smc_clc_msg_decline dclc;
rc = smc_clc_wait_msg(smc, &dclc, sizeof(dclc),
SMC_CLC_DECLINE, CLC_WAIT_TIME_SHORT);
return rc == -EAGAIN ? SMC_CLC_DECL_TIMEOUT_CL : rc;
}
-
- if (link->llc_confirm_resp_rc)
+ smc_llc_save_peer_uid(qentry);
+ rc = smc_llc_eval_conf_link(qentry, SMC_LLC_RESP);
+ smc_llc_flow_qentry_del(&link->lgr->llc_flow_lcl);
+ if (rc)
return SMC_CLC_DECL_RMBE_EC;
- /* send ADD LINK request to client over the RoCE fabric */
- rc = smc_llc_send_add_link(link,
- link->smcibdev->mac[link->ibport - 1],
- link->gid, SMC_LLC_REQ);
- if (rc < 0)
- return SMC_CLC_DECL_TIMEOUT_AL;
-
- /* receive ADD LINK response from client over the RoCE fabric */
- rest = wait_for_completion_interruptible_timeout(&link->llc_add_resp,
- SMC_LLC_WAIT_TIME);
- if (rest <= 0) {
- struct smc_clc_msg_decline dclc;
-
- rc = smc_clc_wait_msg(smc, &dclc, sizeof(dclc),
- SMC_CLC_DECLINE, CLC_WAIT_TIME_SHORT);
- return rc == -EAGAIN ? SMC_CLC_DECL_TIMEOUT_AL : rc;
- }
+ /* confirm_rkey is implicit on 1st contact */
+ smc->conn.rmb_desc->is_conf_rkey = true;
- smc_llc_link_active(link, net->ipv4.sysctl_tcp_keepalive_time);
+ smc_llc_link_active(link);
+ smcr_lgr_set_type(link->lgr, SMC_LGR_SINGLE);
+ /* initial contact - try to establish second link */
+ smc_llc_srv_add_link(link);
return 0;
}
@@ -1194,10 +1210,10 @@ static int smc_listen_ism_init(struct smc_sock *new_smc,
/* listen worker: register buffers */
static int smc_listen_rdma_reg(struct smc_sock *new_smc, int local_contact)
{
- struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];
+ struct smc_connection *conn = &new_smc->conn;
if (local_contact != SMC_FIRST_CONTACT) {
- if (smc_reg_rmb(link, new_smc->conn.rmb_desc, true))
+ if (smcr_lgr_reg_rmbs(conn->lnk, conn->rmb_desc))
return SMC_CLC_DECL_ERR_REGRMB;
}
smc_rmb_sync_sg_for_device(&new_smc->conn);
@@ -1210,13 +1226,13 @@ static int smc_listen_rdma_finish(struct smc_sock *new_smc,
struct smc_clc_msg_accept_confirm *cclc,
int local_contact)
{
- struct smc_link *link = &new_smc->conn.lgr->lnk[SMC_SINGLE_LINK];
+ struct smc_link *link = new_smc->conn.lnk;
int reason_code = 0;
if (local_contact == SMC_FIRST_CONTACT)
smc_link_save_peer_info(link, cclc);
- if (smc_rmb_rtoken_handling(&new_smc->conn, cclc)) {
+ if (smc_rmb_rtoken_handling(&new_smc->conn, link, cclc)) {
reason_code = SMC_CLC_DECL_ERR_RTOK;
goto decline;
}
@@ -1227,7 +1243,9 @@ static int smc_listen_rdma_finish(struct smc_sock *new_smc,
goto decline;
}
/* QP confirmation over RoCE fabric */
- reason_code = smc_serv_conf_first_link(new_smc);
+ smc_llc_flow_initiate(link->lgr, SMC_LLC_FLOW_ADD_LINK);
+ reason_code = smcr_serv_conf_first_link(new_smc);
+ smc_llc_flow_stop(link->lgr, &link->lgr->llc_flow_lcl);
if (reason_code)
goto decline;
}
diff --git a/net/smc/smc.h b/net/smc/smc.h
index be11ba41190f..6f1c42da7a4c 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -121,6 +121,7 @@ enum smc_urg_state {
struct smc_connection {
struct rb_node alert_node;
struct smc_link_group *lgr; /* link group of connection */
+ struct smc_link *lnk; /* assigned SMC-R link */
u32 alert_token_local; /* unique conn. id */
u8 peer_rmbe_idx; /* from tcp handshake */
int peer_rmbe_size; /* size of peer rx buffer */
@@ -142,6 +143,9 @@ struct smc_connection {
* .prod cf. TCP snd_nxt
* .cons cf. TCP sends ack
*/
+ union smc_host_cursor local_tx_ctrl_fin;
+ /* prod crsr - confirmed by peer
+ */
union smc_host_cursor tx_curs_prep; /* tx - prepared data
* snd_max..wmem_alloc
*/
@@ -153,6 +157,7 @@ struct smc_connection {
*/
atomic_t sndbuf_space; /* remaining space in sndbuf */
u16 tx_cdc_seq; /* sequence # for CDC send */
+ u16 tx_cdc_seq_fin; /* sequence # - tx completed */
spinlock_t send_lock; /* protect wr_sends */
struct delayed_work tx_work; /* retry of smc_cdc_msg_send */
u32 tx_off; /* base offset in peer rmb */
@@ -183,12 +188,14 @@ struct smc_connection {
spinlock_t acurs_lock; /* protect cursors */
#endif
struct work_struct close_work; /* peer sent some closing */
+ struct work_struct abort_work; /* abort the connection */
struct tasklet_struct rx_tsklet; /* Receiver tasklet for SMC-D */
u8 rx_off; /* receive offset:
* 0 for SMC-R, 32 for SMC-D
*/
u64 peer_token; /* SMC-D token of peer */
u8 killed : 1; /* abnormal termination */
+ u8 out_of_sync : 1; /* out of sync with peer */
};
struct smc_sock { /* smc sock container */
diff --git a/net/smc/smc_cdc.c b/net/smc/smc_cdc.c
index 164f1584861b..a47e8855e045 100644
--- a/net/smc/smc_cdc.c
+++ b/net/smc/smc_cdc.c
@@ -47,17 +47,20 @@ static void smc_cdc_tx_handler(struct smc_wr_tx_pend_priv *pnd_snd,
/* guarantee 0 <= sndbuf_space <= sndbuf_desc->len */
smp_mb__after_atomic();
smc_curs_copy(&conn->tx_curs_fin, &cdcpend->cursor, conn);
+ smc_curs_copy(&conn->local_tx_ctrl_fin, &cdcpend->p_cursor,
+ conn);
+ conn->tx_cdc_seq_fin = cdcpend->ctrl_seq;
}
smc_tx_sndbuf_nonfull(smc);
bh_unlock_sock(&smc->sk);
}
int smc_cdc_get_free_slot(struct smc_connection *conn,
+ struct smc_link *link,
struct smc_wr_buf **wr_buf,
struct smc_rdma_wr **wr_rdma_buf,
struct smc_cdc_tx_pend **pend)
{
- struct smc_link *link = &conn->lgr->lnk[SMC_SINGLE_LINK];
int rc;
rc = smc_wr_tx_get_free_slot(link, smc_cdc_tx_handler, wr_buf,
@@ -91,12 +94,10 @@ int smc_cdc_msg_send(struct smc_connection *conn,
struct smc_wr_buf *wr_buf,
struct smc_cdc_tx_pend *pend)
{
+ struct smc_link *link = conn->lnk;
union smc_host_cursor cfed;
- struct smc_link *link;
int rc;
- link = &conn->lgr->lnk[SMC_SINGLE_LINK];
-
smc_cdc_add_pending_send(conn, pend);
conn->tx_cdc_seq++;
@@ -106,22 +107,60 @@ int smc_cdc_msg_send(struct smc_connection *conn,
if (!rc) {
smc_curs_copy(&conn->rx_curs_confirmed, &cfed, conn);
conn->local_rx_ctrl.prod_flags.cons_curs_upd_req = 0;
+ } else {
+ conn->tx_cdc_seq--;
+ conn->local_tx_ctrl.seqno = conn->tx_cdc_seq;
}
return rc;
}
+/* send a validation msg indicating the move of a conn to an other QP link */
+int smcr_cdc_msg_send_validation(struct smc_connection *conn,
+ struct smc_cdc_tx_pend *pend,
+ struct smc_wr_buf *wr_buf)
+{
+ struct smc_host_cdc_msg *local = &conn->local_tx_ctrl;
+ struct smc_link *link = conn->lnk;
+ struct smc_cdc_msg *peer;
+ int rc;
+
+ peer = (struct smc_cdc_msg *)wr_buf;
+ peer->common.type = local->common.type;
+ peer->len = local->len;
+ peer->seqno = htons(conn->tx_cdc_seq_fin); /* seqno last compl. tx */
+ peer->token = htonl(local->token);
+ peer->prod_flags.failover_validation = 1;
+
+ rc = smc_wr_tx_send(link, (struct smc_wr_tx_pend_priv *)pend);
+ return rc;
+}
+
static int smcr_cdc_get_slot_and_msg_send(struct smc_connection *conn)
{
struct smc_cdc_tx_pend *pend;
struct smc_wr_buf *wr_buf;
+ struct smc_link *link;
+ bool again = false;
int rc;
- rc = smc_cdc_get_free_slot(conn, &wr_buf, NULL, &pend);
+again:
+ link = conn->lnk;
+ rc = smc_cdc_get_free_slot(conn, link, &wr_buf, NULL, &pend);
if (rc)
return rc;
spin_lock_bh(&conn->send_lock);
+ if (link != conn->lnk) {
+ /* link of connection changed, try again one time*/
+ spin_unlock_bh(&conn->send_lock);
+ smc_wr_tx_put_slot(link,
+ (struct smc_wr_tx_pend_priv *)pend);
+ if (again)
+ return -ENOLINK;
+ again = true;
+ goto again;
+ }
rc = smc_cdc_msg_send(conn, wr_buf, pend);
spin_unlock_bh(&conn->send_lock);
return rc;
@@ -165,7 +204,7 @@ static void smc_cdc_tx_dismisser(struct smc_wr_tx_pend_priv *tx_pend)
void smc_cdc_tx_dismiss_slots(struct smc_connection *conn)
{
- struct smc_link *link = &conn->lgr->lnk[SMC_SINGLE_LINK];
+ struct smc_link *link = conn->lnk;
smc_wr_tx_dismiss_slots(link, SMC_CDC_MSG_TYPE,
smc_cdc_tx_filter, smc_cdc_tx_dismisser,
@@ -239,6 +278,28 @@ static void smc_cdc_handle_urg_data_arrival(struct smc_sock *smc,
sk_send_sigurg(&smc->sk);
}
+static void smc_cdc_msg_validate(struct smc_sock *smc, struct smc_cdc_msg *cdc,
+ struct smc_link *link)
+{
+ struct smc_connection *conn = &smc->conn;
+ u16 recv_seq = ntohs(cdc->seqno);
+ s16 diff;
+
+ /* check that seqnum was seen before */
+ diff = conn->local_rx_ctrl.seqno - recv_seq;
+ if (diff < 0) { /* diff larger than 0x7fff */
+ /* drop connection */
+ conn->out_of_sync = 1; /* prevent any further receives */
+ spin_lock_bh(&conn->send_lock);
+ conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1;
+ conn->lnk = link;
+ spin_unlock_bh(&conn->send_lock);
+ sock_hold(&smc->sk); /* sock_put in abort_work */
+ if (!schedule_work(&conn->abort_work))
+ sock_put(&smc->sk);
+ }
+}
+
static void smc_cdc_msg_recv_action(struct smc_sock *smc,
struct smc_cdc_msg *cdc)
{
@@ -369,16 +430,19 @@ static void smc_cdc_rx_handler(struct ib_wc *wc, void *buf)
read_lock_bh(&lgr->conns_lock);
conn = smc_lgr_find_conn(ntohl(cdc->token), lgr);
read_unlock_bh(&lgr->conns_lock);
- if (!conn)
+ if (!conn || conn->out_of_sync)
return;
smc = container_of(conn, struct smc_sock, conn);
- if (!cdc->prod_flags.failover_validation) {
- if (smc_cdc_before(ntohs(cdc->seqno),
- conn->local_rx_ctrl.seqno))
- /* received seqno is old */
- return;
+ if (cdc->prod_flags.failover_validation) {
+ smc_cdc_msg_validate(smc, cdc, link);
+ return;
}
+ if (smc_cdc_before(ntohs(cdc->seqno),
+ conn->local_rx_ctrl.seqno))
+ /* received seqno is old */
+ return;
+
smc_cdc_msg_recv(smc, cdc);
}
diff --git a/net/smc/smc_cdc.h b/net/smc/smc_cdc.h
index 861dc24c588c..0a0a89abd38b 100644
--- a/net/smc/smc_cdc.h
+++ b/net/smc/smc_cdc.h
@@ -97,23 +97,6 @@ static inline void smc_curs_add(int size, union smc_host_cursor *curs,
}
}
-/* SMC cursors are 8 bytes long and require atomic reading and writing */
-static inline u64 smc_curs_read(union smc_host_cursor *curs,
- struct smc_connection *conn)
-{
-#ifndef KERNEL_HAS_ATOMIC64
- unsigned long flags;
- u64 ret;
-
- spin_lock_irqsave(&conn->acurs_lock, flags);
- ret = curs->acurs;
- spin_unlock_irqrestore(&conn->acurs_lock, flags);
- return ret;
-#else
- return atomic64_read(&curs->acurs);
-#endif
-}
-
/* Copy cursor src into tgt */
static inline void smc_curs_copy(union smc_host_cursor *tgt,
union smc_host_cursor *src,
@@ -304,6 +287,7 @@ struct smc_cdc_tx_pend {
};
int smc_cdc_get_free_slot(struct smc_connection *conn,
+ struct smc_link *link,
struct smc_wr_buf **wr_buf,
struct smc_rdma_wr **wr_rdma_buf,
struct smc_cdc_tx_pend **pend);
@@ -312,6 +296,9 @@ int smc_cdc_msg_send(struct smc_connection *conn, struct smc_wr_buf *wr_buf,
struct smc_cdc_tx_pend *pend);
int smc_cdc_get_slot_and_msg_send(struct smc_connection *conn);
int smcd_cdc_msg_send(struct smc_connection *conn);
+int smcr_cdc_msg_send_validation(struct smc_connection *conn,
+ struct smc_cdc_tx_pend *pend,
+ struct smc_wr_buf *wr_buf);
int smc_cdc_init(void) __init;
void smcd_cdc_rx_init(struct smc_connection *conn);
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index ea0068f0173c..d5627df24215 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -496,7 +496,7 @@ int smc_clc_send_confirm(struct smc_sock *smc)
sizeof(SMCD_EYECATCHER));
} else {
/* SMC-R specific settings */
- link = &conn->lgr->lnk[SMC_SINGLE_LINK];
+ link = conn->lnk;
memcpy(cclc.hdr.eyecatcher, SMC_EYECATCHER,
sizeof(SMC_EYECATCHER));
cclc.hdr.path = SMC_TYPE_R;
@@ -508,13 +508,13 @@ int smc_clc_send_confirm(struct smc_sock *smc)
ETH_ALEN);
hton24(cclc.qpn, link->roce_qp->qp_num);
cclc.rmb_rkey =
- htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+ htonl(conn->rmb_desc->mr_rx[link->link_idx]->rkey);
cclc.rmbe_idx = 1; /* for now: 1 RMB = 1 RMBE */
cclc.rmbe_alert_token = htonl(conn->alert_token_local);
cclc.qp_mtu = min(link->path_mtu, link->peer_mtu);
cclc.rmbe_size = conn->rmbe_size_short;
cclc.rmb_dma_addr = cpu_to_be64((u64)sg_dma_address
- (conn->rmb_desc->sgt[SMC_SINGLE_LINK].sgl));
+ (conn->rmb_desc->sgt[link->link_idx].sgl));
hton24(cclc.psn, link->psn_initial);
memcpy(cclc.smcr_trl.eyecatcher, SMC_EYECATCHER,
sizeof(SMC_EYECATCHER));
@@ -572,7 +572,7 @@ int smc_clc_send_accept(struct smc_sock *new_smc, int srv_first_contact)
memcpy(aclc.hdr.eyecatcher, SMC_EYECATCHER,
sizeof(SMC_EYECATCHER));
aclc.hdr.path = SMC_TYPE_R;
- link = &conn->lgr->lnk[SMC_SINGLE_LINK];
+ link = conn->lnk;
memcpy(aclc.lcl.id_for_peer, local_systemid,
sizeof(local_systemid));
memcpy(&aclc.lcl.gid, link->gid, SMC_GID_SIZE);
@@ -580,13 +580,13 @@ int smc_clc_send_accept(struct smc_sock *new_smc, int srv_first_contact)
ETH_ALEN);
hton24(aclc.qpn, link->roce_qp->qp_num);
aclc.rmb_rkey =
- htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+ htonl(conn->rmb_desc->mr_rx[link->link_idx]->rkey);
aclc.rmbe_idx = 1; /* as long as 1 RMB = 1 RMBE */
aclc.rmbe_alert_token = htonl(conn->alert_token_local);
aclc.qp_mtu = link->path_mtu;
aclc.rmbe_size = conn->rmbe_size_short,
aclc.rmb_dma_addr = cpu_to_be64((u64)sg_dma_address
- (conn->rmb_desc->sgt[SMC_SINGLE_LINK].sgl));
+ (conn->rmb_desc->sgt[link->link_idx].sgl));
hton24(aclc.psn, link->psn_initial);
memcpy(aclc.smcr_trl.eyecatcher, SMC_EYECATCHER,
sizeof(SMC_EYECATCHER));
diff --git a/net/smc/smc_clc.h b/net/smc/smc_clc.h
index ca209272e5fa..465876701b75 100644
--- a/net/smc/smc_clc.h
+++ b/net/smc/smc_clc.h
@@ -44,6 +44,8 @@
#define SMC_CLC_DECL_DIFFPREFIX 0x03070000 /* IP prefix / subnet mismatch */
#define SMC_CLC_DECL_GETVLANERR 0x03080000 /* err to get vlan id of ip device*/
#define SMC_CLC_DECL_ISMVLANERR 0x03090000 /* err to reg vlan id on ism dev */
+#define SMC_CLC_DECL_NOACTLINK 0x030a0000 /* no active smc-r link in lgr */
+#define SMC_CLC_DECL_NOSRVLINK 0x030b0000 /* SMC-R link from srv not found */
#define SMC_CLC_DECL_SYNCERR 0x04000000 /* synchronization error */
#define SMC_CLC_DECL_PEERDECL 0x05000000 /* peer declined during handshake */
#define SMC_CLC_DECL_INTERR 0x09990000 /* internal error */
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 824c5211b027..7964a21e5e6f 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -44,10 +44,20 @@ static struct smc_lgr_list smc_lgr_list = { /* established link groups */
static atomic_t lgr_cnt = ATOMIC_INIT(0); /* number of existing link groups */
static DECLARE_WAIT_QUEUE_HEAD(lgrs_deleted);
+struct smc_ib_up_work {
+ struct work_struct work;
+ struct smc_link_group *lgr;
+ struct smc_ib_device *smcibdev;
+ u8 ibport;
+};
+
static void smc_buf_free(struct smc_link_group *lgr, bool is_rmb,
struct smc_buf_desc *buf_desc);
static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft);
+static void smc_link_up_work(struct work_struct *work);
+static void smc_link_down_work(struct work_struct *work);
+
/* return head of link group list and its lock for a given link group */
static inline struct list_head *smc_lgr_list_head(struct smc_link_group *lgr,
spinlock_t **lgr_lock)
@@ -111,16 +121,60 @@ static void smc_lgr_add_alert_token(struct smc_connection *conn)
rb_insert_color(&conn->alert_node, &conn->lgr->conns_all);
}
+/* assign an SMC-R link to the connection */
+static int smcr_lgr_conn_assign_link(struct smc_connection *conn, bool first)
+{
+ enum smc_link_state expected = first ? SMC_LNK_ACTIVATING :
+ SMC_LNK_ACTIVE;
+ int i, j;
+
+ /* do link balancing */
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ struct smc_link *lnk = &conn->lgr->lnk[i];
+
+ if (lnk->state != expected || lnk->link_is_asym)
+ continue;
+ if (conn->lgr->role == SMC_CLNT) {
+ conn->lnk = lnk; /* temporary, SMC server assigns link*/
+ break;
+ }
+ if (conn->lgr->conns_num % 2) {
+ for (j = i + 1; j < SMC_LINKS_PER_LGR_MAX; j++) {
+ struct smc_link *lnk2;
+
+ lnk2 = &conn->lgr->lnk[j];
+ if (lnk2->state == expected &&
+ !lnk2->link_is_asym) {
+ conn->lnk = lnk2;
+ break;
+ }
+ }
+ }
+ if (!conn->lnk)
+ conn->lnk = lnk;
+ break;
+ }
+ if (!conn->lnk)
+ return SMC_CLC_DECL_NOACTLINK;
+ return 0;
+}
+
/* Register connection in link group by assigning an alert token
* registered in a search tree.
* Requires @conns_lock
* Note that '0' is a reserved value and not assigned.
*/
-static void smc_lgr_register_conn(struct smc_connection *conn)
+static int smc_lgr_register_conn(struct smc_connection *conn, bool first)
{
struct smc_sock *smc = container_of(conn, struct smc_sock, conn);
static atomic_t nexttoken = ATOMIC_INIT(0);
+ int rc;
+ if (!conn->lgr->is_smcd) {
+ rc = smcr_lgr_conn_assign_link(conn, first);
+ if (rc)
+ return rc;
+ }
/* find a new alert_token_local value not yet used by some connection
* in this link group
*/
@@ -132,6 +186,7 @@ static void smc_lgr_register_conn(struct smc_connection *conn)
}
smc_lgr_add_alert_token(conn);
conn->lgr->conns_num++;
+ return 0;
}
/* Unregister connection and reset the alert token of the given connection<
@@ -166,27 +221,33 @@ static void smc_lgr_unregister_conn(struct smc_connection *conn)
void smc_lgr_cleanup_early(struct smc_connection *conn)
{
struct smc_link_group *lgr = conn->lgr;
+ struct list_head *lgr_list;
+ spinlock_t *lgr_lock;
if (!lgr)
return;
smc_conn_free(conn);
- smc_lgr_forget(lgr);
+ lgr_list = smc_lgr_list_head(lgr, &lgr_lock);
+ spin_lock_bh(lgr_lock);
+ /* do not use this link group for new connections */
+ if (!list_empty(lgr_list))
+ list_del_init(lgr_list);
+ spin_unlock_bh(lgr_lock);
smc_lgr_schedule_free_work_fast(lgr);
}
-/* Send delete link, either as client to request the initiation
- * of the DELETE LINK sequence from server; or as server to
- * initiate the delete processing. See smc_llc_rx_delete_link().
- */
-static int smc_link_send_delete(struct smc_link *lnk, bool orderly)
+static void smcr_lgr_link_deactivate_all(struct smc_link_group *lgr)
{
- if (lnk->state == SMC_LNK_ACTIVE &&
- !smc_llc_send_delete_link(lnk, SMC_LLC_REQ, orderly)) {
- smc_llc_link_deleting(lnk);
- return 0;
+ int i;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ struct smc_link *lnk = &lgr->lnk[i];
+
+ if (smc_link_usable(lnk))
+ lnk->state = SMC_LNK_INACTIVE;
}
- return -ENOTCONN;
+ wake_up_interruptible_all(&lgr->llc_waiter);
}
static void smc_lgr_free(struct smc_link_group *lgr);
@@ -197,7 +258,6 @@ static void smc_lgr_free_work(struct work_struct *work)
struct smc_link_group,
free_work);
spinlock_t *lgr_lock;
- struct smc_link *lnk;
bool conns;
smc_lgr_list_head(lgr, &lgr_lock);
@@ -214,26 +274,17 @@ static void smc_lgr_free_work(struct work_struct *work)
return;
}
list_del_init(&lgr->list); /* remove from smc_lgr_list */
-
- lnk = &lgr->lnk[SMC_SINGLE_LINK];
- if (!lgr->is_smcd && !lgr->terminating) {
- /* try to send del link msg, on error free lgr immediately */
- if (lnk->state == SMC_LNK_ACTIVE &&
- !smc_link_send_delete(lnk, true)) {
- /* reschedule in case we never receive a response */
- smc_lgr_schedule_free_work(lgr);
- spin_unlock_bh(lgr_lock);
- return;
- }
- }
lgr->freeing = 1; /* this instance does the freeing, no new schedule */
spin_unlock_bh(lgr_lock);
cancel_delayed_work(&lgr->free_work);
- if (!lgr->is_smcd && lnk->state != SMC_LNK_INACTIVE)
- smc_llc_link_inactive(lnk);
+ if (!lgr->is_smcd && !lgr->terminating)
+ smc_llc_send_link_delete_all(lgr, true,
+ SMC_LLC_DEL_PROG_INIT_TERM);
if (lgr->is_smcd && !lgr->terminating)
smc_ism_signal_shutdown(lgr);
+ if (!lgr->is_smcd)
+ smcr_lgr_link_deactivate_all(lgr);
smc_lgr_free(lgr);
}
@@ -245,6 +296,89 @@ static void smc_lgr_terminate_work(struct work_struct *work)
__smc_lgr_terminate(lgr, true);
}
+/* return next unique link id for the lgr */
+static u8 smcr_next_link_id(struct smc_link_group *lgr)
+{
+ u8 link_id;
+ int i;
+
+ while (1) {
+ link_id = ++lgr->next_link_id;
+ if (!link_id) /* skip zero as link_id */
+ link_id = ++lgr->next_link_id;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (smc_link_usable(&lgr->lnk[i]) &&
+ lgr->lnk[i].link_id == link_id)
+ continue;
+ }
+ break;
+ }
+ return link_id;
+}
+
+int smcr_link_init(struct smc_link_group *lgr, struct smc_link *lnk,
+ u8 link_idx, struct smc_init_info *ini)
+{
+ u8 rndvec[3];
+ int rc;
+
+ get_device(&ini->ib_dev->ibdev->dev);
+ atomic_inc(&ini->ib_dev->lnk_cnt);
+ lnk->state = SMC_LNK_ACTIVATING;
+ lnk->link_id = smcr_next_link_id(lgr);
+ lnk->lgr = lgr;
+ lnk->link_idx = link_idx;
+ lnk->smcibdev = ini->ib_dev;
+ lnk->ibport = ini->ib_port;
+ lnk->path_mtu = ini->ib_dev->pattr[ini->ib_port - 1].active_mtu;
+ smc_llc_link_set_uid(lnk);
+ INIT_WORK(&lnk->link_down_wrk, smc_link_down_work);
+ if (!ini->ib_dev->initialized) {
+ rc = (int)smc_ib_setup_per_ibdev(ini->ib_dev);
+ if (rc)
+ goto out;
+ }
+ get_random_bytes(rndvec, sizeof(rndvec));
+ lnk->psn_initial = rndvec[0] + (rndvec[1] << 8) +
+ (rndvec[2] << 16);
+ rc = smc_ib_determine_gid(lnk->smcibdev, lnk->ibport,
+ ini->vlan_id, lnk->gid, &lnk->sgid_index);
+ if (rc)
+ goto out;
+ rc = smc_llc_link_init(lnk);
+ if (rc)
+ goto out;
+ rc = smc_wr_alloc_link_mem(lnk);
+ if (rc)
+ goto clear_llc_lnk;
+ rc = smc_ib_create_protection_domain(lnk);
+ if (rc)
+ goto free_link_mem;
+ rc = smc_ib_create_queue_pair(lnk);
+ if (rc)
+ goto dealloc_pd;
+ rc = smc_wr_create_link(lnk);
+ if (rc)
+ goto destroy_qp;
+ return 0;
+
+destroy_qp:
+ smc_ib_destroy_queue_pair(lnk);
+dealloc_pd:
+ smc_ib_dealloc_protection_domain(lnk);
+free_link_mem:
+ smc_wr_free_link_mem(lnk);
+clear_llc_lnk:
+ smc_llc_link_clear(lnk, false);
+out:
+ put_device(&ini->ib_dev->ibdev->dev);
+ memset(lnk, 0, sizeof(struct smc_link));
+ lnk->state = SMC_LNK_UNUSED;
+ if (!atomic_dec_return(&ini->ib_dev->lnk_cnt))
+ wake_up(&ini->ib_dev->lnks_deleted);
+ return rc;
+}
+
/* create a new SMC link group */
static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
{
@@ -252,7 +386,7 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
struct list_head *lgr_list;
struct smc_link *lnk;
spinlock_t *lgr_lock;
- u8 rndvec[3];
+ u8 link_idx;
int rc = 0;
int i;
@@ -274,13 +408,14 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
lgr->freefast = 0;
lgr->freeing = 0;
lgr->vlan_id = ini->vlan_id;
- rwlock_init(&lgr->sndbufs_lock);
- rwlock_init(&lgr->rmbs_lock);
+ mutex_init(&lgr->sndbufs_lock);
+ mutex_init(&lgr->rmbs_lock);
rwlock_init(&lgr->conns_lock);
for (i = 0; i < SMC_RMBE_SIZES; i++) {
INIT_LIST_HEAD(&lgr->sndbufs[i]);
INIT_LIST_HEAD(&lgr->rmbs[i]);
}
+ lgr->next_link_id = 0;
smc_lgr_list.num += SMC_LGR_NUM_INCR;
memcpy(&lgr->id, (u8 *)&smc_lgr_list.num, SMC_LGR_ID_SIZE);
INIT_DELAYED_WORK(&lgr->free_work, smc_lgr_free_work);
@@ -297,48 +432,21 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
atomic_inc(&ini->ism_dev->lgr_cnt);
} else {
/* SMC-R specific settings */
- get_device(&ini->ib_dev->ibdev->dev);
lgr->role = smc->listen_smc ? SMC_SERV : SMC_CLNT;
memcpy(lgr->peer_systemid, ini->ib_lcl->id_for_peer,
SMC_SYSTEMID_LEN);
+ memcpy(lgr->pnet_id, ini->ib_dev->pnetid[ini->ib_port - 1],
+ SMC_MAX_PNETID_LEN);
+ smc_llc_lgr_init(lgr, smc);
- lnk = &lgr->lnk[SMC_SINGLE_LINK];
- /* initialize link */
- lnk->state = SMC_LNK_ACTIVATING;
- lnk->link_id = SMC_SINGLE_LINK;
- lnk->smcibdev = ini->ib_dev;
- lnk->ibport = ini->ib_port;
- lgr_list = &smc_lgr_list.list;
- lgr_lock = &smc_lgr_list.lock;
- lnk->path_mtu =
- ini->ib_dev->pattr[ini->ib_port - 1].active_mtu;
- if (!ini->ib_dev->initialized)
- smc_ib_setup_per_ibdev(ini->ib_dev);
- get_random_bytes(rndvec, sizeof(rndvec));
- lnk->psn_initial = rndvec[0] + (rndvec[1] << 8) +
- (rndvec[2] << 16);
- rc = smc_ib_determine_gid(lnk->smcibdev, lnk->ibport,
- ini->vlan_id, lnk->gid,
- &lnk->sgid_index);
+ link_idx = SMC_SINGLE_LINK;
+ lnk = &lgr->lnk[link_idx];
+ rc = smcr_link_init(lgr, lnk, link_idx, ini);
if (rc)
goto free_lgr;
- rc = smc_llc_link_init(lnk);
- if (rc)
- goto free_lgr;
- rc = smc_wr_alloc_link_mem(lnk);
- if (rc)
- goto clear_llc_lnk;
- rc = smc_ib_create_protection_domain(lnk);
- if (rc)
- goto free_link_mem;
- rc = smc_ib_create_queue_pair(lnk);
- if (rc)
- goto dealloc_pd;
- rc = smc_wr_create_link(lnk);
- if (rc)
- goto destroy_qp;
+ lgr_list = &smc_lgr_list.list;
+ lgr_lock = &smc_lgr_list.lock;
atomic_inc(&lgr_cnt);
- atomic_inc(&ini->ib_dev->lnk_cnt);
}
smc->conn.lgr = lgr;
spin_lock_bh(lgr_lock);
@@ -346,14 +454,6 @@ static int smc_lgr_create(struct smc_sock *smc, struct smc_init_info *ini)
spin_unlock_bh(lgr_lock);
return 0;
-destroy_qp:
- smc_ib_destroy_queue_pair(lnk);
-dealloc_pd:
- smc_ib_dealloc_protection_domain(lnk);
-free_link_mem:
- smc_wr_free_link_mem(lnk);
-clear_llc_lnk:
- smc_llc_link_clear(lnk);
free_lgr:
kfree(lgr);
ism_put_vlan:
@@ -369,29 +469,186 @@ out:
return rc;
}
+static int smc_write_space(struct smc_connection *conn)
+{
+ int buffer_len = conn->peer_rmbe_size;
+ union smc_host_cursor prod;
+ union smc_host_cursor cons;
+ int space;
+
+ smc_curs_copy(&prod, &conn->local_tx_ctrl.prod, conn);
+ smc_curs_copy(&cons, &conn->local_rx_ctrl.cons, conn);
+ /* determine rx_buf space */
+ space = buffer_len - smc_curs_diff(buffer_len, &cons, &prod);
+ return space;
+}
+
+static int smc_switch_cursor(struct smc_sock *smc, struct smc_cdc_tx_pend *pend,
+ struct smc_wr_buf *wr_buf)
+{
+ struct smc_connection *conn = &smc->conn;
+ union smc_host_cursor cons, fin;
+ int rc = 0;
+ int diff;
+
+ smc_curs_copy(&conn->tx_curs_sent, &conn->tx_curs_fin, conn);
+ smc_curs_copy(&fin, &conn->local_tx_ctrl_fin, conn);
+ /* set prod cursor to old state, enforce tx_rdma_writes() */
+ smc_curs_copy(&conn->local_tx_ctrl.prod, &fin, conn);
+ smc_curs_copy(&cons, &conn->local_rx_ctrl.cons, conn);
+
+ if (smc_curs_comp(conn->peer_rmbe_size, &cons, &fin) < 0) {
+ /* cons cursor advanced more than fin, and prod was set
+ * fin above, so now prod is smaller than cons. Fix that.
+ */
+ diff = smc_curs_diff(conn->peer_rmbe_size, &fin, &cons);
+ smc_curs_add(conn->sndbuf_desc->len,
+ &conn->tx_curs_sent, diff);
+ smc_curs_add(conn->sndbuf_desc->len,
+ &conn->tx_curs_fin, diff);
+
+ smp_mb__before_atomic();
+ atomic_add(diff, &conn->sndbuf_space);
+ smp_mb__after_atomic();
+
+ smc_curs_add(conn->peer_rmbe_size,
+ &conn->local_tx_ctrl.prod, diff);
+ smc_curs_add(conn->peer_rmbe_size,
+ &conn->local_tx_ctrl_fin, diff);
+ }
+ /* recalculate, value is used by tx_rdma_writes() */
+ atomic_set(&smc->conn.peer_rmbe_space, smc_write_space(conn));
+
+ if (smc->sk.sk_state != SMC_INIT &&
+ smc->sk.sk_state != SMC_CLOSED) {
+ rc = smcr_cdc_msg_send_validation(conn, pend, wr_buf);
+ if (!rc) {
+ schedule_delayed_work(&conn->tx_work, 0);
+ smc->sk.sk_data_ready(&smc->sk);
+ }
+ } else {
+ smc_wr_tx_put_slot(conn->lnk,
+ (struct smc_wr_tx_pend_priv *)pend);
+ }
+ return rc;
+}
+
+struct smc_link *smc_switch_conns(struct smc_link_group *lgr,
+ struct smc_link *from_lnk, bool is_dev_err)
+{
+ struct smc_link *to_lnk = NULL;
+ struct smc_cdc_tx_pend *pend;
+ struct smc_connection *conn;
+ struct smc_wr_buf *wr_buf;
+ struct smc_sock *smc;
+ struct rb_node *node;
+ int i, rc = 0;
+
+ /* link is inactive, wake up tx waiters */
+ smc_wr_wakeup_tx_wait(from_lnk);
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].state != SMC_LNK_ACTIVE ||
+ i == from_lnk->link_idx)
+ continue;
+ if (is_dev_err && from_lnk->smcibdev == lgr->lnk[i].smcibdev &&
+ from_lnk->ibport == lgr->lnk[i].ibport) {
+ continue;
+ }
+ to_lnk = &lgr->lnk[i];
+ break;
+ }
+ if (!to_lnk) {
+ smc_lgr_terminate_sched(lgr);
+ return NULL;
+ }
+again:
+ read_lock_bh(&lgr->conns_lock);
+ for (node = rb_first(&lgr->conns_all); node; node = rb_next(node)) {
+ conn = rb_entry(node, struct smc_connection, alert_node);
+ if (conn->lnk != from_lnk)
+ continue;
+ smc = container_of(conn, struct smc_sock, conn);
+ /* conn->lnk not yet set in SMC_INIT state */
+ if (smc->sk.sk_state == SMC_INIT)
+ continue;
+ if (smc->sk.sk_state == SMC_CLOSED ||
+ smc->sk.sk_state == SMC_PEERCLOSEWAIT1 ||
+ smc->sk.sk_state == SMC_PEERCLOSEWAIT2 ||
+ smc->sk.sk_state == SMC_APPFINCLOSEWAIT ||
+ smc->sk.sk_state == SMC_APPCLOSEWAIT1 ||
+ smc->sk.sk_state == SMC_APPCLOSEWAIT2 ||
+ smc->sk.sk_state == SMC_PEERFINCLOSEWAIT ||
+ smc->sk.sk_state == SMC_PEERABORTWAIT ||
+ smc->sk.sk_state == SMC_PROCESSABORT) {
+ spin_lock_bh(&conn->send_lock);
+ conn->lnk = to_lnk;
+ spin_unlock_bh(&conn->send_lock);
+ continue;
+ }
+ sock_hold(&smc->sk);
+ read_unlock_bh(&lgr->conns_lock);
+ /* pre-fetch buffer outside of send_lock, might sleep */
+ rc = smc_cdc_get_free_slot(conn, to_lnk, &wr_buf, NULL, &pend);
+ if (rc) {
+ smcr_link_down_cond_sched(to_lnk);
+ return NULL;
+ }
+ /* avoid race with smcr_tx_sndbuf_nonempty() */
+ spin_lock_bh(&conn->send_lock);
+ conn->lnk = to_lnk;
+ rc = smc_switch_cursor(smc, pend, wr_buf);
+ spin_unlock_bh(&conn->send_lock);
+ sock_put(&smc->sk);
+ if (rc) {
+ smcr_link_down_cond_sched(to_lnk);
+ return NULL;
+ }
+ goto again;
+ }
+ read_unlock_bh(&lgr->conns_lock);
+ return to_lnk;
+}
+
+static void smcr_buf_unuse(struct smc_buf_desc *rmb_desc,
+ struct smc_link_group *lgr)
+{
+ int rc;
+
+ if (rmb_desc->is_conf_rkey && !list_empty(&lgr->list)) {
+ /* unregister rmb with peer */
+ rc = smc_llc_flow_initiate(lgr, SMC_LLC_FLOW_RKEY);
+ if (!rc) {
+ /* protect against smc_llc_cli_rkey_exchange() */
+ mutex_lock(&lgr->llc_conf_mutex);
+ smc_llc_do_delete_rkey(lgr, rmb_desc);
+ rmb_desc->is_conf_rkey = false;
+ mutex_unlock(&lgr->llc_conf_mutex);
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl);
+ }
+ }
+
+ if (rmb_desc->is_reg_err) {
+ /* buf registration failed, reuse not possible */
+ mutex_lock(&lgr->rmbs_lock);
+ list_del(&rmb_desc->list);
+ mutex_unlock(&lgr->rmbs_lock);
+
+ smc_buf_free(lgr, true, rmb_desc);
+ } else {
+ rmb_desc->used = 0;
+ }
+}
+
static void smc_buf_unuse(struct smc_connection *conn,
struct smc_link_group *lgr)
{
if (conn->sndbuf_desc)
conn->sndbuf_desc->used = 0;
- if (conn->rmb_desc) {
- if (!conn->rmb_desc->regerr) {
- if (!lgr->is_smcd && !list_empty(&lgr->list)) {
- /* unregister rmb with peer */
- smc_llc_do_delete_rkey(
- &lgr->lnk[SMC_SINGLE_LINK],
- conn->rmb_desc);
- }
- conn->rmb_desc->used = 0;
- } else {
- /* buf registration failed, reuse not possible */
- write_lock_bh(&lgr->rmbs_lock);
- list_del(&conn->rmb_desc->list);
- write_unlock_bh(&lgr->rmbs_lock);
-
- smc_buf_free(lgr, true, conn->rmb_desc);
- }
- }
+ if (conn->rmb_desc && lgr->is_smcd)
+ conn->rmb_desc->used = 0;
+ else if (conn->rmb_desc)
+ smcr_buf_unuse(conn->rmb_desc, lgr);
}
/* remove a finished connection from its link group */
@@ -407,6 +664,8 @@ void smc_conn_free(struct smc_connection *conn)
tasklet_kill(&conn->rx_tsklet);
} else {
smc_cdc_tx_dismiss_slots(conn);
+ if (current_work() != &conn->abort_work)
+ cancel_work_sync(&conn->abort_work);
}
if (!list_empty(&lgr->list)) {
smc_lgr_unregister_conn(conn);
@@ -417,35 +676,91 @@ void smc_conn_free(struct smc_connection *conn)
smc_lgr_schedule_free_work(lgr);
}
-static void smc_link_clear(struct smc_link *lnk)
+/* unregister a link from a buf_desc */
+static void smcr_buf_unmap_link(struct smc_buf_desc *buf_desc, bool is_rmb,
+ struct smc_link *lnk)
+{
+ if (is_rmb)
+ buf_desc->is_reg_mr[lnk->link_idx] = false;
+ if (!buf_desc->is_map_ib[lnk->link_idx])
+ return;
+ if (is_rmb) {
+ if (buf_desc->mr_rx[lnk->link_idx]) {
+ smc_ib_put_memory_region(
+ buf_desc->mr_rx[lnk->link_idx]);
+ buf_desc->mr_rx[lnk->link_idx] = NULL;
+ }
+ smc_ib_buf_unmap_sg(lnk, buf_desc, DMA_FROM_DEVICE);
+ } else {
+ smc_ib_buf_unmap_sg(lnk, buf_desc, DMA_TO_DEVICE);
+ }
+ sg_free_table(&buf_desc->sgt[lnk->link_idx]);
+ buf_desc->is_map_ib[lnk->link_idx] = false;
+}
+
+/* unmap all buffers of lgr for a deleted link */
+static void smcr_buf_unmap_lgr(struct smc_link *lnk)
+{
+ struct smc_link_group *lgr = lnk->lgr;
+ struct smc_buf_desc *buf_desc, *bf;
+ int i;
+
+ for (i = 0; i < SMC_RMBE_SIZES; i++) {
+ mutex_lock(&lgr->rmbs_lock);
+ list_for_each_entry_safe(buf_desc, bf, &lgr->rmbs[i], list)
+ smcr_buf_unmap_link(buf_desc, true, lnk);
+ mutex_unlock(&lgr->rmbs_lock);
+ mutex_lock(&lgr->sndbufs_lock);
+ list_for_each_entry_safe(buf_desc, bf, &lgr->sndbufs[i],
+ list)
+ smcr_buf_unmap_link(buf_desc, false, lnk);
+ mutex_unlock(&lgr->sndbufs_lock);
+ }
+}
+
+static void smcr_rtoken_clear_link(struct smc_link *lnk)
+{
+ struct smc_link_group *lgr = lnk->lgr;
+ int i;
+
+ for (i = 0; i < SMC_RMBS_PER_LGR_MAX; i++) {
+ lgr->rtokens[i][lnk->link_idx].rkey = 0;
+ lgr->rtokens[i][lnk->link_idx].dma_addr = 0;
+ }
+}
+
+/* must be called under lgr->llc_conf_mutex lock */
+void smcr_link_clear(struct smc_link *lnk, bool log)
{
+ struct smc_ib_device *smcibdev;
+
+ if (!lnk->lgr || lnk->state == SMC_LNK_UNUSED)
+ return;
lnk->peer_qpn = 0;
- smc_llc_link_clear(lnk);
+ smc_llc_link_clear(lnk, log);
+ smcr_buf_unmap_lgr(lnk);
+ smcr_rtoken_clear_link(lnk);
smc_ib_modify_qp_reset(lnk);
smc_wr_free_link(lnk);
smc_ib_destroy_queue_pair(lnk);
smc_ib_dealloc_protection_domain(lnk);
smc_wr_free_link_mem(lnk);
- if (!atomic_dec_return(&lnk->smcibdev->lnk_cnt))
- wake_up(&lnk->smcibdev->lnks_deleted);
+ put_device(&lnk->smcibdev->ibdev->dev);
+ smcibdev = lnk->smcibdev;
+ memset(lnk, 0, sizeof(struct smc_link));
+ lnk->state = SMC_LNK_UNUSED;
+ if (!atomic_dec_return(&smcibdev->lnk_cnt))
+ wake_up(&smcibdev->lnks_deleted);
}
static void smcr_buf_free(struct smc_link_group *lgr, bool is_rmb,
struct smc_buf_desc *buf_desc)
{
- struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
+ int i;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++)
+ smcr_buf_unmap_link(buf_desc, is_rmb, &lgr->lnk[i]);
- if (is_rmb) {
- if (buf_desc->mr_rx[SMC_SINGLE_LINK])
- smc_ib_put_memory_region(
- buf_desc->mr_rx[SMC_SINGLE_LINK]);
- smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
- DMA_FROM_DEVICE);
- } else {
- smc_ib_buf_unmap_sg(lnk->smcibdev, buf_desc,
- DMA_TO_DEVICE);
- }
- sg_free_table(&buf_desc->sgt[SMC_SINGLE_LINK]);
if (buf_desc->pages)
__free_pages(buf_desc->pages, buf_desc->order);
kfree(buf_desc);
@@ -503,6 +818,18 @@ static void smc_lgr_free_bufs(struct smc_link_group *lgr)
/* remove a link group */
static void smc_lgr_free(struct smc_link_group *lgr)
{
+ int i;
+
+ if (!lgr->is_smcd) {
+ mutex_lock(&lgr->llc_conf_mutex);
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].state != SMC_LNK_UNUSED)
+ smcr_link_clear(&lgr->lnk[i], false);
+ }
+ mutex_unlock(&lgr->llc_conf_mutex);
+ smc_llc_lgr_clear(lgr);
+ }
+
smc_lgr_free_bufs(lgr);
if (lgr->is_smcd) {
if (!lgr->terminating) {
@@ -512,27 +839,12 @@ static void smc_lgr_free(struct smc_link_group *lgr)
if (!atomic_dec_return(&lgr->smcd->lgr_cnt))
wake_up(&lgr->smcd->lgrs_deleted);
} else {
- smc_link_clear(&lgr->lnk[SMC_SINGLE_LINK]);
- put_device(&lgr->lnk[SMC_SINGLE_LINK].smcibdev->ibdev->dev);
if (!atomic_dec_return(&lgr_cnt))
wake_up(&lgrs_deleted);
}
kfree(lgr);
}
-void smc_lgr_forget(struct smc_link_group *lgr)
-{
- struct list_head *lgr_list;
- spinlock_t *lgr_lock;
-
- lgr_list = smc_lgr_list_head(lgr, &lgr_lock);
- spin_lock_bh(lgr_lock);
- /* do not use this link group for new connections */
- if (!list_empty(lgr_list))
- list_del_init(lgr_list);
- spin_unlock_bh(lgr_lock);
-}
-
static void smcd_unregister_all_dmbs(struct smc_link_group *lgr)
{
int i;
@@ -587,10 +899,12 @@ static void smc_lgr_cleanup(struct smc_link_group *lgr)
smc_ism_put_vlan(lgr->smcd, lgr->vlan_id);
put_device(&lgr->smcd->dev);
} else {
- struct smc_link *lnk = &lgr->lnk[SMC_SINGLE_LINK];
+ u32 rsn = lgr->llc_termination_rsn;
- if (lnk->state != SMC_LNK_INACTIVE)
- smc_llc_link_inactive(lnk);
+ if (!rsn)
+ rsn = SMC_LLC_DEL_PROG_INIT_TERM;
+ smc_llc_send_link_delete_all(lgr, false, rsn);
+ smcr_lgr_link_deactivate_all(lgr);
}
}
@@ -606,11 +920,9 @@ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft)
if (lgr->terminating)
return; /* lgr already terminating */
- if (!soft)
- cancel_delayed_work_sync(&lgr->free_work);
+ /* cancel free_work sync, will terminate when lgr->freeing is set */
+ cancel_delayed_work_sync(&lgr->free_work);
lgr->terminating = 1;
- if (!lgr->is_smcd)
- smc_llc_link_inactive(&lgr->lnk[SMC_SINGLE_LINK]);
/* kill remaining link group connections */
read_lock_bh(&lgr->conns_lock);
@@ -629,10 +941,7 @@ static void __smc_lgr_terminate(struct smc_link_group *lgr, bool soft)
}
read_unlock_bh(&lgr->conns_lock);
smc_lgr_cleanup(lgr);
- if (soft)
- smc_lgr_schedule_free_work_fast(lgr);
- else
- smc_lgr_free(lgr);
+ smc_lgr_free(lgr);
}
/* unlink link group and schedule termination */
@@ -647,33 +956,11 @@ void smc_lgr_terminate_sched(struct smc_link_group *lgr)
return; /* lgr already terminating */
}
list_del_init(&lgr->list);
+ lgr->freeing = 1;
spin_unlock_bh(lgr_lock);
schedule_work(&lgr->terminate_work);
}
-/* Called when IB port is terminated */
-void smc_port_terminate(struct smc_ib_device *smcibdev, u8 ibport)
-{
- struct smc_link_group *lgr, *l;
- LIST_HEAD(lgr_free_list);
-
- spin_lock_bh(&smc_lgr_list.lock);
- list_for_each_entry_safe(lgr, l, &smc_lgr_list.list, list) {
- if (!lgr->is_smcd &&
- lgr->lnk[SMC_SINGLE_LINK].smcibdev == smcibdev &&
- lgr->lnk[SMC_SINGLE_LINK].ibport == ibport) {
- list_move(&lgr->list, &lgr_free_list);
- lgr->freeing = 1;
- }
- }
- spin_unlock_bh(&smc_lgr_list.lock);
-
- list_for_each_entry_safe(lgr, l, &lgr_free_list, list) {
- list_del_init(&lgr->list);
- __smc_lgr_terminate(lgr, false);
- }
-}
-
/* Called when peer lgr shutdown (regularly or abnormally) is received */
void smc_smcd_terminate(struct smcd_dev *dev, u64 peer_gid, unsigned short vlan)
{
@@ -688,6 +975,7 @@ void smc_smcd_terminate(struct smcd_dev *dev, u64 peer_gid, unsigned short vlan)
if (peer_gid) /* peer triggered termination */
lgr->peer_shutdown = 1;
list_move(&lgr->list, &lgr_free_list);
+ lgr->freeing = 1;
}
}
spin_unlock_bh(&dev->lgr_lock);
@@ -728,6 +1016,7 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
{
struct smc_link_group *lgr, *lg;
LIST_HEAD(lgr_free_list);
+ int i;
spin_lock_bh(&smc_lgr_list.lock);
if (!smcibdev) {
@@ -736,9 +1025,9 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
lgr->freeing = 1;
} else {
list_for_each_entry_safe(lgr, lg, &smc_lgr_list.list, list) {
- if (lgr->lnk[SMC_SINGLE_LINK].smcibdev == smcibdev) {
- list_move(&lgr->list, &lgr_free_list);
- lgr->freeing = 1;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].smcibdev == smcibdev)
+ smcr_link_down_cond_sched(&lgr->lnk[i]);
}
}
}
@@ -746,6 +1035,7 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
list_for_each_entry_safe(lgr, lg, &lgr_free_list, list) {
list_del_init(&lgr->list);
+ smc_llc_set_termination_rsn(lgr, SMC_LLC_DEL_OP_INIT_TERM);
__smc_lgr_terminate(lgr, false);
}
@@ -759,6 +1049,225 @@ void smc_smcr_terminate_all(struct smc_ib_device *smcibdev)
}
}
+/* set new lgr type and clear all asymmetric link tagging */
+void smcr_lgr_set_type(struct smc_link_group *lgr, enum smc_lgr_type new_type)
+{
+ char *lgr_type = "";
+ int i;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++)
+ if (smc_link_usable(&lgr->lnk[i]))
+ lgr->lnk[i].link_is_asym = false;
+ if (lgr->type == new_type)
+ return;
+ lgr->type = new_type;
+
+ switch (lgr->type) {
+ case SMC_LGR_NONE:
+ lgr_type = "NONE";
+ break;
+ case SMC_LGR_SINGLE:
+ lgr_type = "SINGLE";
+ break;
+ case SMC_LGR_SYMMETRIC:
+ lgr_type = "SYMMETRIC";
+ break;
+ case SMC_LGR_ASYMMETRIC_PEER:
+ lgr_type = "ASYMMETRIC_PEER";
+ break;
+ case SMC_LGR_ASYMMETRIC_LOCAL:
+ lgr_type = "ASYMMETRIC_LOCAL";
+ break;
+ }
+ pr_warn_ratelimited("smc: SMC-R lg %*phN state changed: "
+ "%s, pnetid %.16s\n", SMC_LGR_ID_SIZE, &lgr->id,
+ lgr_type, lgr->pnet_id);
+}
+
+/* set new lgr type and tag a link as asymmetric */
+void smcr_lgr_set_type_asym(struct smc_link_group *lgr,
+ enum smc_lgr_type new_type, int asym_lnk_idx)
+{
+ smcr_lgr_set_type(lgr, new_type);
+ lgr->lnk[asym_lnk_idx].link_is_asym = true;
+}
+
+/* abort connection, abort_work scheduled from tasklet context */
+static void smc_conn_abort_work(struct work_struct *work)
+{
+ struct smc_connection *conn = container_of(work,
+ struct smc_connection,
+ abort_work);
+ struct smc_sock *smc = container_of(conn, struct smc_sock, conn);
+
+ smc_conn_kill(conn, true);
+ sock_put(&smc->sk); /* sock_hold done by schedulers of abort_work */
+}
+
+/* link is up - establish alternate link if applicable */
+static void smcr_link_up(struct smc_link_group *lgr,
+ struct smc_ib_device *smcibdev, u8 ibport)
+{
+ struct smc_link *link = NULL;
+
+ if (list_empty(&lgr->list) ||
+ lgr->type == SMC_LGR_SYMMETRIC ||
+ lgr->type == SMC_LGR_ASYMMETRIC_PEER)
+ return;
+
+ if (lgr->role == SMC_SERV) {
+ /* trigger local add link processing */
+ link = smc_llc_usable_link(lgr);
+ if (!link)
+ return;
+ smc_llc_srv_add_link_local(link);
+ } else {
+ /* invite server to start add link processing */
+ u8 gid[SMC_GID_SIZE];
+
+ if (smc_ib_determine_gid(smcibdev, ibport, lgr->vlan_id, gid,
+ NULL))
+ return;
+ if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
+ /* some other llc task is ongoing */
+ wait_event_interruptible_timeout(lgr->llc_waiter,
+ (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
+ SMC_LLC_WAIT_TIME);
+ }
+ if (list_empty(&lgr->list) ||
+ !smc_ib_port_active(smcibdev, ibport))
+ return; /* lgr or device no longer active */
+ link = smc_llc_usable_link(lgr);
+ if (!link)
+ return;
+ smc_llc_send_add_link(link, smcibdev->mac[ibport - 1], gid,
+ NULL, SMC_LLC_REQ);
+ }
+}
+
+void smcr_port_add(struct smc_ib_device *smcibdev, u8 ibport)
+{
+ struct smc_ib_up_work *ib_work;
+ struct smc_link_group *lgr, *n;
+
+ list_for_each_entry_safe(lgr, n, &smc_lgr_list.list, list) {
+ if (strncmp(smcibdev->pnetid[ibport - 1], lgr->pnet_id,
+ SMC_MAX_PNETID_LEN) ||
+ lgr->type == SMC_LGR_SYMMETRIC ||
+ lgr->type == SMC_LGR_ASYMMETRIC_PEER)
+ continue;
+ ib_work = kmalloc(sizeof(*ib_work), GFP_KERNEL);
+ if (!ib_work)
+ continue;
+ INIT_WORK(&ib_work->work, smc_link_up_work);
+ ib_work->lgr = lgr;
+ ib_work->smcibdev = smcibdev;
+ ib_work->ibport = ibport;
+ schedule_work(&ib_work->work);
+ }
+}
+
+/* link is down - switch connections to alternate link,
+ * must be called under lgr->llc_conf_mutex lock
+ */
+static void smcr_link_down(struct smc_link *lnk)
+{
+ struct smc_link_group *lgr = lnk->lgr;
+ struct smc_link *to_lnk;
+ int del_link_id;
+
+ if (!lgr || lnk->state == SMC_LNK_UNUSED || list_empty(&lgr->list))
+ return;
+
+ smc_ib_modify_qp_reset(lnk);
+ to_lnk = smc_switch_conns(lgr, lnk, true);
+ if (!to_lnk) { /* no backup link available */
+ smcr_link_clear(lnk, true);
+ return;
+ }
+ smcr_lgr_set_type(lgr, SMC_LGR_SINGLE);
+ del_link_id = lnk->link_id;
+
+ if (lgr->role == SMC_SERV) {
+ /* trigger local delete link processing */
+ smc_llc_srv_delete_link_local(to_lnk, del_link_id);
+ } else {
+ if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
+ /* another llc task is ongoing */
+ mutex_unlock(&lgr->llc_conf_mutex);
+ wait_event_interruptible_timeout(lgr->llc_waiter,
+ (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE),
+ SMC_LLC_WAIT_TIME);
+ mutex_lock(&lgr->llc_conf_mutex);
+ }
+ smc_llc_send_delete_link(to_lnk, del_link_id, SMC_LLC_REQ, true,
+ SMC_LLC_DEL_LOST_PATH);
+ }
+}
+
+/* must be called under lgr->llc_conf_mutex lock */
+void smcr_link_down_cond(struct smc_link *lnk)
+{
+ if (smc_link_downing(&lnk->state))
+ smcr_link_down(lnk);
+}
+
+/* will get the lgr->llc_conf_mutex lock */
+void smcr_link_down_cond_sched(struct smc_link *lnk)
+{
+ if (smc_link_downing(&lnk->state))
+ schedule_work(&lnk->link_down_wrk);
+}
+
+void smcr_port_err(struct smc_ib_device *smcibdev, u8 ibport)
+{
+ struct smc_link_group *lgr, *n;
+ int i;
+
+ list_for_each_entry_safe(lgr, n, &smc_lgr_list.list, list) {
+ if (strncmp(smcibdev->pnetid[ibport - 1], lgr->pnet_id,
+ SMC_MAX_PNETID_LEN))
+ continue; /* lgr is not affected */
+ if (list_empty(&lgr->list))
+ continue;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ struct smc_link *lnk = &lgr->lnk[i];
+
+ if (smc_link_usable(lnk) &&
+ lnk->smcibdev == smcibdev && lnk->ibport == ibport)
+ smcr_link_down_cond_sched(lnk);
+ }
+ }
+}
+
+static void smc_link_up_work(struct work_struct *work)
+{
+ struct smc_ib_up_work *ib_work = container_of(work,
+ struct smc_ib_up_work,
+ work);
+ struct smc_link_group *lgr = ib_work->lgr;
+
+ if (list_empty(&lgr->list))
+ goto out;
+ smcr_link_up(lgr, ib_work->smcibdev, ib_work->ibport);
+out:
+ kfree(ib_work);
+}
+
+static void smc_link_down_work(struct work_struct *work)
+{
+ struct smc_link *link = container_of(work, struct smc_link,
+ link_down_wrk);
+ struct smc_link_group *lgr = link->lgr;
+
+ if (list_empty(&lgr->list))
+ return;
+ wake_up_interruptible_all(&lgr->llc_waiter);
+ mutex_lock(&lgr->llc_conf_mutex);
+ smcr_link_down(link);
+ mutex_unlock(&lgr->llc_conf_mutex);
+}
+
/* Determine vlan of internal TCP socket.
* @vlan_id: address to store the determined vlan id into
*/
@@ -810,15 +1319,21 @@ static bool smcr_lgr_match(struct smc_link_group *lgr,
struct smc_clc_msg_local *lcl,
enum smc_lgr_role role, u32 clcqpn)
{
- return !memcmp(lgr->peer_systemid, lcl->id_for_peer,
- SMC_SYSTEMID_LEN) &&
- !memcmp(lgr->lnk[SMC_SINGLE_LINK].peer_gid, &lcl->gid,
- SMC_GID_SIZE) &&
- !memcmp(lgr->lnk[SMC_SINGLE_LINK].peer_mac, lcl->mac,
- sizeof(lcl->mac)) &&
- lgr->role == role &&
- (lgr->role == SMC_SERV ||
- lgr->lnk[SMC_SINGLE_LINK].peer_qpn == clcqpn);
+ int i;
+
+ if (memcmp(lgr->peer_systemid, lcl->id_for_peer, SMC_SYSTEMID_LEN) ||
+ lgr->role != role)
+ return false;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].state != SMC_LNK_ACTIVE)
+ continue;
+ if ((lgr->role == SMC_SERV || lgr->lnk[i].peer_qpn == clcqpn) &&
+ !memcmp(lgr->lnk[i].peer_gid, &lcl->gid, SMC_GID_SIZE) &&
+ !memcmp(lgr->lnk[i].peer_mac, lcl->mac, sizeof(lcl->mac)))
+ return true;
+ }
+ return false;
}
static bool smcd_lgr_match(struct smc_link_group *lgr,
@@ -859,15 +1374,17 @@ int smc_conn_create(struct smc_sock *smc, struct smc_init_info *ini)
/* link group found */
ini->cln_first_contact = SMC_REUSE_CONTACT;
conn->lgr = lgr;
- smc_lgr_register_conn(conn); /* add smc conn to lgr */
- if (delayed_work_pending(&lgr->free_work))
- cancel_delayed_work(&lgr->free_work);
+ rc = smc_lgr_register_conn(conn, false);
write_unlock_bh(&lgr->conns_lock);
+ if (!rc && delayed_work_pending(&lgr->free_work))
+ cancel_delayed_work(&lgr->free_work);
break;
}
write_unlock_bh(&lgr->conns_lock);
}
spin_unlock_bh(lgr_lock);
+ if (rc)
+ return rc;
if (role == SMC_CLNT && !ini->srv_first_contact &&
ini->cln_first_contact == SMC_FIRST_CONTACT) {
@@ -885,12 +1402,15 @@ create:
goto out;
lgr = conn->lgr;
write_lock_bh(&lgr->conns_lock);
- smc_lgr_register_conn(conn); /* add smc conn to lgr */
+ rc = smc_lgr_register_conn(conn, true);
write_unlock_bh(&lgr->conns_lock);
+ if (rc)
+ goto out;
}
conn->local_tx_ctrl.common.type = SMC_CDC_MSG_TYPE;
conn->local_tx_ctrl.len = SMC_WR_TX_SIZE;
conn->urg_state = SMC_URG_READ;
+ INIT_WORK(&smc->conn.abort_work, smc_conn_abort_work);
if (ini->is_smcd) {
conn->rx_off = sizeof(struct smcd_cdc_msg);
smcd_cdc_rx_init(conn); /* init tasklet for this conn */
@@ -934,19 +1454,19 @@ int smc_uncompress_bufsize(u8 compressed)
* buffer size; if not available, return NULL
*/
static struct smc_buf_desc *smc_buf_get_slot(int compressed_bufsize,
- rwlock_t *lock,
+ struct mutex *lock,
struct list_head *buf_list)
{
struct smc_buf_desc *buf_slot;
- read_lock_bh(lock);
+ mutex_lock(lock);
list_for_each_entry(buf_slot, buf_list, list) {
if (cmpxchg(&buf_slot->used, 0, 1) == 0) {
- read_unlock_bh(lock);
+ mutex_unlock(lock);
return buf_slot;
}
}
- read_unlock_bh(lock);
+ mutex_unlock(lock);
return NULL;
}
@@ -959,12 +1479,135 @@ static inline int smc_rmb_wnd_update_limit(int rmbe_size)
return min_t(int, rmbe_size / 10, SOCK_MIN_SNDBUF / 2);
}
+/* map an rmb buf to a link */
+static int smcr_buf_map_link(struct smc_buf_desc *buf_desc, bool is_rmb,
+ struct smc_link *lnk)
+{
+ int rc;
+
+ if (buf_desc->is_map_ib[lnk->link_idx])
+ return 0;
+
+ rc = sg_alloc_table(&buf_desc->sgt[lnk->link_idx], 1, GFP_KERNEL);
+ if (rc)
+ return rc;
+ sg_set_buf(buf_desc->sgt[lnk->link_idx].sgl,
+ buf_desc->cpu_addr, buf_desc->len);
+
+ /* map sg table to DMA address */
+ rc = smc_ib_buf_map_sg(lnk, buf_desc,
+ is_rmb ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ /* SMC protocol depends on mapping to one DMA address only */
+ if (rc != 1) {
+ rc = -EAGAIN;
+ goto free_table;
+ }
+
+ /* create a new memory region for the RMB */
+ if (is_rmb) {
+ rc = smc_ib_get_memory_region(lnk->roce_pd,
+ IB_ACCESS_REMOTE_WRITE |
+ IB_ACCESS_LOCAL_WRITE,
+ buf_desc, lnk->link_idx);
+ if (rc)
+ goto buf_unmap;
+ smc_ib_sync_sg_for_device(lnk, buf_desc, DMA_FROM_DEVICE);
+ }
+ buf_desc->is_map_ib[lnk->link_idx] = true;
+ return 0;
+
+buf_unmap:
+ smc_ib_buf_unmap_sg(lnk, buf_desc,
+ is_rmb ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+free_table:
+ sg_free_table(&buf_desc->sgt[lnk->link_idx]);
+ return rc;
+}
+
+/* register a new rmb on IB device,
+ * must be called under lgr->llc_conf_mutex lock
+ */
+int smcr_link_reg_rmb(struct smc_link *link, struct smc_buf_desc *rmb_desc)
+{
+ if (list_empty(&link->lgr->list))
+ return -ENOLINK;
+ if (!rmb_desc->is_reg_mr[link->link_idx]) {
+ /* register memory region for new rmb */
+ if (smc_wr_reg_send(link, rmb_desc->mr_rx[link->link_idx])) {
+ rmb_desc->is_reg_err = true;
+ return -EFAULT;
+ }
+ rmb_desc->is_reg_mr[link->link_idx] = true;
+ }
+ return 0;
+}
+
+static int _smcr_buf_map_lgr(struct smc_link *lnk, struct mutex *lock,
+ struct list_head *lst, bool is_rmb)
+{
+ struct smc_buf_desc *buf_desc, *bf;
+ int rc = 0;
+
+ mutex_lock(lock);
+ list_for_each_entry_safe(buf_desc, bf, lst, list) {
+ if (!buf_desc->used)
+ continue;
+ rc = smcr_buf_map_link(buf_desc, is_rmb, lnk);
+ if (rc)
+ goto out;
+ }
+out:
+ mutex_unlock(lock);
+ return rc;
+}
+
+/* map all used buffers of lgr for a new link */
+int smcr_buf_map_lgr(struct smc_link *lnk)
+{
+ struct smc_link_group *lgr = lnk->lgr;
+ int i, rc = 0;
+
+ for (i = 0; i < SMC_RMBE_SIZES; i++) {
+ rc = _smcr_buf_map_lgr(lnk, &lgr->rmbs_lock,
+ &lgr->rmbs[i], true);
+ if (rc)
+ return rc;
+ rc = _smcr_buf_map_lgr(lnk, &lgr->sndbufs_lock,
+ &lgr->sndbufs[i], false);
+ if (rc)
+ return rc;
+ }
+ return 0;
+}
+
+/* register all used buffers of lgr for a new link,
+ * must be called under lgr->llc_conf_mutex lock
+ */
+int smcr_buf_reg_lgr(struct smc_link *lnk)
+{
+ struct smc_link_group *lgr = lnk->lgr;
+ struct smc_buf_desc *buf_desc, *bf;
+ int i, rc = 0;
+
+ mutex_lock(&lgr->rmbs_lock);
+ for (i = 0; i < SMC_RMBE_SIZES; i++) {
+ list_for_each_entry_safe(buf_desc, bf, &lgr->rmbs[i], list) {
+ if (!buf_desc->used)
+ continue;
+ rc = smcr_link_reg_rmb(lnk, buf_desc);
+ if (rc)
+ goto out;
+ }
+ }
+out:
+ mutex_unlock(&lgr->rmbs_lock);
+ return rc;
+}
+
static struct smc_buf_desc *smcr_new_buf_create(struct smc_link_group *lgr,
bool is_rmb, int bufsize)
{
struct smc_buf_desc *buf_desc;
- struct smc_link *lnk;
- int rc;
/* try to alloc a new buffer */
buf_desc = kzalloc(sizeof(*buf_desc), GFP_KERNEL);
@@ -981,41 +1624,33 @@ static struct smc_buf_desc *smcr_new_buf_create(struct smc_link_group *lgr,
return ERR_PTR(-EAGAIN);
}
buf_desc->cpu_addr = (void *)page_address(buf_desc->pages);
+ buf_desc->len = bufsize;
+ return buf_desc;
+}
- /* build the sg table from the pages */
- lnk = &lgr->lnk[SMC_SINGLE_LINK];
- rc = sg_alloc_table(&buf_desc->sgt[SMC_SINGLE_LINK], 1,
- GFP_KERNEL);
- if (rc) {
- smc_buf_free(lgr, is_rmb, buf_desc);
- return ERR_PTR(rc);
- }
- sg_set_buf(buf_desc->sgt[SMC_SINGLE_LINK].sgl,
- buf_desc->cpu_addr, bufsize);
+/* map buf_desc on all usable links,
+ * unused buffers stay mapped as long as the link is up
+ */
+static int smcr_buf_map_usable_links(struct smc_link_group *lgr,
+ struct smc_buf_desc *buf_desc, bool is_rmb)
+{
+ int i, rc = 0;
- /* map sg table to DMA address */
- rc = smc_ib_buf_map_sg(lnk->smcibdev, buf_desc,
- is_rmb ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
- /* SMC protocol depends on mapping to one DMA address only */
- if (rc != 1) {
- smc_buf_free(lgr, is_rmb, buf_desc);
- return ERR_PTR(-EAGAIN);
- }
+ /* protect against parallel link reconfiguration */
+ mutex_lock(&lgr->llc_conf_mutex);
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ struct smc_link *lnk = &lgr->lnk[i];
- /* create a new memory region for the RMB */
- if (is_rmb) {
- rc = smc_ib_get_memory_region(lnk->roce_pd,
- IB_ACCESS_REMOTE_WRITE |
- IB_ACCESS_LOCAL_WRITE,
- buf_desc);
- if (rc) {
- smc_buf_free(lgr, is_rmb, buf_desc);
- return ERR_PTR(rc);
+ if (!smc_link_usable(lnk))
+ continue;
+ if (smcr_buf_map_link(buf_desc, is_rmb, lnk)) {
+ rc = -ENOMEM;
+ goto out;
}
}
-
- buf_desc->len = bufsize;
- return buf_desc;
+out:
+ mutex_unlock(&lgr->llc_conf_mutex);
+ return rc;
}
#define SMCD_DMBE_SIZES 7 /* 0 -> 16KB, 1 -> 32KB, .. 6 -> 1MB */
@@ -1062,8 +1697,8 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb)
struct smc_link_group *lgr = conn->lgr;
struct list_head *buf_list;
int bufsize, bufsize_short;
+ struct mutex *lock; /* lock buffer list */
int sk_buf_size;
- rwlock_t *lock;
if (is_rmb)
/* use socket recv buffer size (w/o overhead) as start value */
@@ -1104,15 +1739,22 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb)
continue;
buf_desc->used = 1;
- write_lock_bh(lock);
+ mutex_lock(lock);
list_add(&buf_desc->list, buf_list);
- write_unlock_bh(lock);
+ mutex_unlock(lock);
break; /* found */
}
if (IS_ERR(buf_desc))
return -ENOMEM;
+ if (!is_smcd) {
+ if (smcr_buf_map_usable_links(lgr, buf_desc, is_rmb)) {
+ smcr_buf_unuse(buf_desc, lgr);
+ return -ENOMEM;
+ }
+ }
+
if (is_rmb) {
conn->rmb_desc = buf_desc;
conn->rmbe_size_short = bufsize_short;
@@ -1132,42 +1774,44 @@ static int __smc_buf_create(struct smc_sock *smc, bool is_smcd, bool is_rmb)
void smc_sndbuf_sync_sg_for_cpu(struct smc_connection *conn)
{
- struct smc_link_group *lgr = conn->lgr;
-
- if (!conn->lgr || conn->lgr->is_smcd)
+ if (!conn->lgr || conn->lgr->is_smcd || !smc_link_usable(conn->lnk))
return;
- smc_ib_sync_sg_for_cpu(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
- conn->sndbuf_desc, DMA_TO_DEVICE);
+ smc_ib_sync_sg_for_cpu(conn->lnk, conn->sndbuf_desc, DMA_TO_DEVICE);
}
void smc_sndbuf_sync_sg_for_device(struct smc_connection *conn)
{
- struct smc_link_group *lgr = conn->lgr;
-
- if (!conn->lgr || conn->lgr->is_smcd)
+ if (!conn->lgr || conn->lgr->is_smcd || !smc_link_usable(conn->lnk))
return;
- smc_ib_sync_sg_for_device(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
- conn->sndbuf_desc, DMA_TO_DEVICE);
+ smc_ib_sync_sg_for_device(conn->lnk, conn->sndbuf_desc, DMA_TO_DEVICE);
}
void smc_rmb_sync_sg_for_cpu(struct smc_connection *conn)
{
- struct smc_link_group *lgr = conn->lgr;
+ int i;
if (!conn->lgr || conn->lgr->is_smcd)
return;
- smc_ib_sync_sg_for_cpu(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
- conn->rmb_desc, DMA_FROM_DEVICE);
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (!smc_link_usable(&conn->lgr->lnk[i]))
+ continue;
+ smc_ib_sync_sg_for_cpu(&conn->lgr->lnk[i], conn->rmb_desc,
+ DMA_FROM_DEVICE);
+ }
}
void smc_rmb_sync_sg_for_device(struct smc_connection *conn)
{
- struct smc_link_group *lgr = conn->lgr;
+ int i;
if (!conn->lgr || conn->lgr->is_smcd)
return;
- smc_ib_sync_sg_for_device(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
- conn->rmb_desc, DMA_FROM_DEVICE);
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (!smc_link_usable(&conn->lgr->lnk[i]))
+ continue;
+ smc_ib_sync_sg_for_device(&conn->lgr->lnk[i], conn->rmb_desc,
+ DMA_FROM_DEVICE);
+ }
}
/* create the send and receive buffer for an SMC socket;
@@ -1202,16 +1846,64 @@ static inline int smc_rmb_reserve_rtoken_idx(struct smc_link_group *lgr)
return -ENOSPC;
}
+static int smc_rtoken_find_by_link(struct smc_link_group *lgr, int lnk_idx,
+ u32 rkey)
+{
+ int i;
+
+ for (i = 0; i < SMC_RMBS_PER_LGR_MAX; i++) {
+ if (test_bit(i, lgr->rtokens_used_mask) &&
+ lgr->rtokens[i][lnk_idx].rkey == rkey)
+ return i;
+ }
+ return -ENOENT;
+}
+
+/* set rtoken for a new link to an existing rmb */
+void smc_rtoken_set(struct smc_link_group *lgr, int link_idx, int link_idx_new,
+ __be32 nw_rkey_known, __be64 nw_vaddr, __be32 nw_rkey)
+{
+ int rtok_idx;
+
+ rtok_idx = smc_rtoken_find_by_link(lgr, link_idx, ntohl(nw_rkey_known));
+ if (rtok_idx == -ENOENT)
+ return;
+ lgr->rtokens[rtok_idx][link_idx_new].rkey = ntohl(nw_rkey);
+ lgr->rtokens[rtok_idx][link_idx_new].dma_addr = be64_to_cpu(nw_vaddr);
+}
+
+/* set rtoken for a new link whose link_id is given */
+void smc_rtoken_set2(struct smc_link_group *lgr, int rtok_idx, int link_id,
+ __be64 nw_vaddr, __be32 nw_rkey)
+{
+ u64 dma_addr = be64_to_cpu(nw_vaddr);
+ u32 rkey = ntohl(nw_rkey);
+ bool found = false;
+ int link_idx;
+
+ for (link_idx = 0; link_idx < SMC_LINKS_PER_LGR_MAX; link_idx++) {
+ if (lgr->lnk[link_idx].link_id == link_id) {
+ found = true;
+ break;
+ }
+ }
+ if (!found)
+ return;
+ lgr->rtokens[rtok_idx][link_idx].rkey = rkey;
+ lgr->rtokens[rtok_idx][link_idx].dma_addr = dma_addr;
+}
+
/* add a new rtoken from peer */
-int smc_rtoken_add(struct smc_link_group *lgr, __be64 nw_vaddr, __be32 nw_rkey)
+int smc_rtoken_add(struct smc_link *lnk, __be64 nw_vaddr, __be32 nw_rkey)
{
+ struct smc_link_group *lgr = smc_get_lgr(lnk);
u64 dma_addr = be64_to_cpu(nw_vaddr);
u32 rkey = ntohl(nw_rkey);
int i;
for (i = 0; i < SMC_RMBS_PER_LGR_MAX; i++) {
- if ((lgr->rtokens[i][SMC_SINGLE_LINK].rkey == rkey) &&
- (lgr->rtokens[i][SMC_SINGLE_LINK].dma_addr == dma_addr) &&
+ if (lgr->rtokens[i][lnk->link_idx].rkey == rkey &&
+ lgr->rtokens[i][lnk->link_idx].dma_addr == dma_addr &&
test_bit(i, lgr->rtokens_used_mask)) {
/* already in list */
return i;
@@ -1220,23 +1912,25 @@ int smc_rtoken_add(struct smc_link_group *lgr, __be64 nw_vaddr, __be32 nw_rkey)
i = smc_rmb_reserve_rtoken_idx(lgr);
if (i < 0)
return i;
- lgr->rtokens[i][SMC_SINGLE_LINK].rkey = rkey;
- lgr->rtokens[i][SMC_SINGLE_LINK].dma_addr = dma_addr;
+ lgr->rtokens[i][lnk->link_idx].rkey = rkey;
+ lgr->rtokens[i][lnk->link_idx].dma_addr = dma_addr;
return i;
}
-/* delete an rtoken */
-int smc_rtoken_delete(struct smc_link_group *lgr, __be32 nw_rkey)
+/* delete an rtoken from all links */
+int smc_rtoken_delete(struct smc_link *lnk, __be32 nw_rkey)
{
+ struct smc_link_group *lgr = smc_get_lgr(lnk);
u32 rkey = ntohl(nw_rkey);
- int i;
+ int i, j;
for (i = 0; i < SMC_RMBS_PER_LGR_MAX; i++) {
- if (lgr->rtokens[i][SMC_SINGLE_LINK].rkey == rkey &&
+ if (lgr->rtokens[i][lnk->link_idx].rkey == rkey &&
test_bit(i, lgr->rtokens_used_mask)) {
- lgr->rtokens[i][SMC_SINGLE_LINK].rkey = 0;
- lgr->rtokens[i][SMC_SINGLE_LINK].dma_addr = 0;
-
+ for (j = 0; j < SMC_LINKS_PER_LGR_MAX; j++) {
+ lgr->rtokens[i][j].rkey = 0;
+ lgr->rtokens[i][j].dma_addr = 0;
+ }
clear_bit(i, lgr->rtokens_used_mask);
return 0;
}
@@ -1246,9 +1940,10 @@ int smc_rtoken_delete(struct smc_link_group *lgr, __be32 nw_rkey)
/* save rkey and dma_addr received from peer during clc handshake */
int smc_rmb_rtoken_handling(struct smc_connection *conn,
+ struct smc_link *lnk,
struct smc_clc_msg_accept_confirm *clc)
{
- conn->rtoken_idx = smc_rtoken_add(conn->lgr, clc->rmb_dma_addr,
+ conn->rtoken_idx = smc_rtoken_add(lnk, clc->rmb_dma_addr,
clc->rmb_rkey);
if (conn->rtoken_idx < 0)
return conn->rtoken_idx;
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h
index 8041db20c753..86d160f0d187 100644
--- a/net/smc/smc_core.h
+++ b/net/smc/smc_core.h
@@ -32,10 +32,10 @@ enum smc_lgr_role { /* possible roles of a link group */
};
enum smc_link_state { /* possible states of a link */
+ SMC_LNK_UNUSED, /* link is unused */
SMC_LNK_INACTIVE, /* link is inactive */
SMC_LNK_ACTIVATING, /* link is being activated */
SMC_LNK_ACTIVE, /* link is active */
- SMC_LNK_DELETING, /* link is being deleted */
};
#define SMC_WR_BUF_SIZE 48 /* size of work request buffer */
@@ -70,6 +70,8 @@ struct smc_rdma_wr { /* work requests per message
struct ib_rdma_wr wr_tx_rdma[SMC_MAX_RDMA_WRITES];
};
+#define SMC_LGR_ID_SIZE 4
+
struct smc_link {
struct smc_ib_device *smcibdev; /* ib-device */
u8 ibport; /* port - values 1 | 2 */
@@ -85,6 +87,7 @@ struct smc_link {
struct smc_rdma_sges *wr_tx_rdma_sges;/*RDMA WRITE gather meta data*/
struct smc_rdma_wr *wr_tx_rdmas; /* WR RDMA WRITE */
struct smc_wr_tx_pend *wr_tx_pends; /* WR send waiting for CQE */
+ struct completion *wr_tx_compl; /* WR send CQE completion */
/* above four vectors have wr_tx_cnt elements and use the same index */
dma_addr_t wr_tx_dma_addr; /* DMA address of wr_tx_bufs */
atomic_long_t wr_tx_id; /* seq # of last sent WR */
@@ -115,29 +118,23 @@ struct smc_link {
u8 peer_mac[ETH_ALEN]; /* = gid[8:10||13:15] */
u8 peer_gid[SMC_GID_SIZE]; /* gid of peer*/
u8 link_id; /* unique # within link group */
+ u8 link_uid[SMC_LGR_ID_SIZE]; /* unique lnk id */
+ u8 peer_link_uid[SMC_LGR_ID_SIZE]; /* peer uid */
+ u8 link_idx; /* index in lgr link array */
+ u8 link_is_asym; /* is link asymmetric? */
+ struct smc_link_group *lgr; /* parent link group */
+ struct work_struct link_down_wrk; /* wrk to bring link down */
enum smc_link_state state; /* state of link */
- struct workqueue_struct *llc_wq; /* single thread work queue */
- struct completion llc_confirm; /* wait for rx of conf link */
- struct completion llc_confirm_resp; /* wait 4 rx of cnf lnk rsp */
- int llc_confirm_rc; /* rc from confirm link msg */
- int llc_confirm_resp_rc; /* rc from conf_resp msg */
- struct completion llc_add; /* wait for rx of add link */
- struct completion llc_add_resp; /* wait for rx of add link rsp*/
struct delayed_work llc_testlink_wrk; /* testlink worker */
struct completion llc_testlink_resp; /* wait for rx of testlink */
int llc_testlink_time; /* testlink interval */
- struct completion llc_confirm_rkey; /* wait 4 rx of cnf rkey */
- int llc_confirm_rkey_rc; /* rc from cnf rkey msg */
- struct completion llc_delete_rkey; /* wait 4 rx of del rkey */
- int llc_delete_rkey_rc; /* rc from del rkey msg */
- struct mutex llc_delete_rkey_mutex; /* serialize usage */
};
/* For now we just allow one parallel link per link group. The SMC protocol
* allows more (up to 8).
*/
-#define SMC_LINKS_PER_LGR_MAX 1
+#define SMC_LINKS_PER_LGR_MAX 3
#define SMC_SINGLE_LINK 0
#define SMC_FIRST_CONTACT 1 /* first contact to a peer */
@@ -150,25 +147,32 @@ struct smc_buf_desc {
struct page *pages;
int len; /* length of buffer */
u32 used; /* currently used / unused */
- u8 wr_reg : 1; /* mem region registered */
- u8 regerr : 1; /* err during registration */
union {
struct { /* SMC-R */
- struct sg_table sgt[SMC_LINKS_PER_LGR_MAX];
- /* virtual buffer */
- struct ib_mr *mr_rx[SMC_LINKS_PER_LGR_MAX];
- /* for rmb only: memory region
- * incl. rkey provided to peer
- */
- u32 order; /* allocation order */
+ struct sg_table sgt[SMC_LINKS_PER_LGR_MAX];
+ /* virtual buffer */
+ struct ib_mr *mr_rx[SMC_LINKS_PER_LGR_MAX];
+ /* for rmb only: memory region
+ * incl. rkey provided to peer
+ */
+ u32 order; /* allocation order */
+
+ u8 is_conf_rkey;
+ /* confirm_rkey done */
+ u8 is_reg_mr[SMC_LINKS_PER_LGR_MAX];
+ /* mem region registered */
+ u8 is_map_ib[SMC_LINKS_PER_LGR_MAX];
+ /* mem region mapped to lnk */
+ u8 is_reg_err;
+ /* buffer registration err */
};
struct { /* SMC-D */
- unsigned short sba_idx;
- /* SBA index number */
- u64 token;
- /* DMB token number */
- dma_addr_t dma_addr;
- /* DMA address */
+ unsigned short sba_idx;
+ /* SBA index number */
+ u64 token;
+ /* DMB token number */
+ dma_addr_t dma_addr;
+ /* DMA address */
};
};
};
@@ -178,7 +182,6 @@ struct smc_rtoken { /* address/key of remote RMB */
u32 rkey;
};
-#define SMC_LGR_ID_SIZE 4
#define SMC_BUF_MIN_SIZE 16384 /* minimum size of an RMB */
#define SMC_RMBE_SIZES 16 /* number of distinct RMBE sizes */
/* theoretically, the RFC states that largest size would be 512K,
@@ -188,6 +191,28 @@ struct smc_rtoken { /* address/key of remote RMB */
struct smcd_dev;
+enum smc_lgr_type { /* redundancy state of lgr */
+ SMC_LGR_NONE, /* no active links, lgr to be deleted */
+ SMC_LGR_SINGLE, /* 1 active RNIC on each peer */
+ SMC_LGR_SYMMETRIC, /* 2 active RNICs on each peer */
+ SMC_LGR_ASYMMETRIC_PEER, /* local has 2, peer 1 active RNICs */
+ SMC_LGR_ASYMMETRIC_LOCAL, /* local has 1, peer 2 active RNICs */
+};
+
+enum smc_llc_flowtype {
+ SMC_LLC_FLOW_NONE = 0,
+ SMC_LLC_FLOW_ADD_LINK = 2,
+ SMC_LLC_FLOW_DEL_LINK = 4,
+ SMC_LLC_FLOW_RKEY = 6,
+};
+
+struct smc_llc_qentry;
+
+struct smc_llc_flow {
+ enum smc_llc_flowtype type;
+ struct smc_llc_qentry *qentry;
+};
+
struct smc_link_group {
struct list_head list;
struct rb_root conns_all; /* connection tree */
@@ -196,9 +221,9 @@ struct smc_link_group {
unsigned short vlan_id; /* vlan id of link group */
struct list_head sndbufs[SMC_RMBE_SIZES];/* tx buffers */
- rwlock_t sndbufs_lock; /* protects tx buffers */
+ struct mutex sndbufs_lock; /* protects tx buffers */
struct list_head rmbs[SMC_RMBE_SIZES]; /* rx buffers */
- rwlock_t rmbs_lock; /* protects rx buffers */
+ struct mutex rmbs_lock; /* protects rx buffers */
u8 id[SMC_LGR_ID_SIZE]; /* unique lgr id */
struct delayed_work free_work; /* delayed freeing of an lgr */
@@ -222,6 +247,35 @@ struct smc_link_group {
/* remote addr/key pairs */
DECLARE_BITMAP(rtokens_used_mask, SMC_RMBS_PER_LGR_MAX);
/* used rtoken elements */
+ u8 next_link_id;
+ enum smc_lgr_type type;
+ /* redundancy state */
+ u8 pnet_id[SMC_MAX_PNETID_LEN + 1];
+ /* pnet id of this lgr */
+ struct list_head llc_event_q;
+ /* queue for llc events */
+ spinlock_t llc_event_q_lock;
+ /* protects llc_event_q */
+ struct mutex llc_conf_mutex;
+ /* protects lgr reconfig. */
+ struct work_struct llc_add_link_work;
+ struct work_struct llc_del_link_work;
+ struct work_struct llc_event_work;
+ /* llc event worker */
+ wait_queue_head_t llc_waiter;
+ /* w4 next llc event */
+ struct smc_llc_flow llc_flow_lcl;
+ /* llc local control field */
+ struct smc_llc_flow llc_flow_rmt;
+ /* llc remote control field */
+ struct smc_llc_qentry *delayed_event;
+ /* arrived when flow active */
+ spinlock_t llc_flow_lock;
+ /* protects llc flow */
+ int llc_testlink_time;
+ /* link keep alive time */
+ u32 llc_termination_rsn;
+ /* rsn code for termination */
};
struct { /* SMC-D */
u64 peer_gid;
@@ -285,24 +339,36 @@ static inline struct smc_connection *smc_lgr_find_conn(
return res;
}
+/* returns true if the specified link is usable */
+static inline bool smc_link_usable(struct smc_link *lnk)
+{
+ if (lnk->state == SMC_LNK_UNUSED || lnk->state == SMC_LNK_INACTIVE)
+ return false;
+ return true;
+}
+
struct smc_sock;
struct smc_clc_msg_accept_confirm;
struct smc_clc_msg_local;
-void smc_lgr_forget(struct smc_link_group *lgr);
void smc_lgr_cleanup_early(struct smc_connection *conn);
void smc_lgr_terminate_sched(struct smc_link_group *lgr);
-void smc_port_terminate(struct smc_ib_device *smcibdev, u8 ibport);
+void smcr_port_add(struct smc_ib_device *smcibdev, u8 ibport);
+void smcr_port_err(struct smc_ib_device *smcibdev, u8 ibport);
void smc_smcd_terminate(struct smcd_dev *dev, u64 peer_gid,
unsigned short vlan);
void smc_smcd_terminate_all(struct smcd_dev *dev);
void smc_smcr_terminate_all(struct smc_ib_device *smcibdev);
int smc_buf_create(struct smc_sock *smc, bool is_smcd);
int smc_uncompress_bufsize(u8 compressed);
-int smc_rmb_rtoken_handling(struct smc_connection *conn,
+int smc_rmb_rtoken_handling(struct smc_connection *conn, struct smc_link *link,
struct smc_clc_msg_accept_confirm *clc);
-int smc_rtoken_add(struct smc_link_group *lgr, __be64 nw_vaddr, __be32 nw_rkey);
-int smc_rtoken_delete(struct smc_link_group *lgr, __be32 nw_rkey);
+int smc_rtoken_add(struct smc_link *lnk, __be64 nw_vaddr, __be32 nw_rkey);
+int smc_rtoken_delete(struct smc_link *lnk, __be32 nw_rkey);
+void smc_rtoken_set(struct smc_link_group *lgr, int link_idx, int link_idx_new,
+ __be32 nw_rkey_known, __be64 nw_vaddr, __be32 nw_rkey);
+void smc_rtoken_set2(struct smc_link_group *lgr, int rtok_idx, int link_id,
+ __be64 nw_vaddr, __be32 nw_rkey);
void smc_sndbuf_sync_sg_for_cpu(struct smc_connection *conn);
void smc_sndbuf_sync_sg_for_device(struct smc_connection *conn);
void smc_rmb_sync_sg_for_cpu(struct smc_connection *conn);
@@ -315,8 +381,22 @@ void smc_lgr_schedule_free_work_fast(struct smc_link_group *lgr);
int smc_core_init(void);
void smc_core_exit(void);
+int smcr_link_init(struct smc_link_group *lgr, struct smc_link *lnk,
+ u8 link_idx, struct smc_init_info *ini);
+void smcr_link_clear(struct smc_link *lnk, bool log);
+int smcr_buf_map_lgr(struct smc_link *lnk);
+int smcr_buf_reg_lgr(struct smc_link *lnk);
+void smcr_lgr_set_type(struct smc_link_group *lgr, enum smc_lgr_type new_type);
+void smcr_lgr_set_type_asym(struct smc_link_group *lgr,
+ enum smc_lgr_type new_type, int asym_lnk_idx);
+int smcr_link_reg_rmb(struct smc_link *link, struct smc_buf_desc *rmb_desc);
+struct smc_link *smc_switch_conns(struct smc_link_group *lgr,
+ struct smc_link *from_lnk, bool is_dev_err);
+void smcr_link_down_cond(struct smc_link *lnk);
+void smcr_link_down_cond_sched(struct smc_link *lnk);
+
static inline struct smc_link_group *smc_get_lgr(struct smc_link *link)
{
- return container_of(link, struct smc_link_group, lnk[SMC_SINGLE_LINK]);
+ return link->lgr;
}
#endif
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 04b6fefb8bce..f0a5064bf9bd 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -249,9 +249,10 @@ static void smc_ib_port_event_work(struct work_struct *work)
clear_bit(port_idx, &smcibdev->port_event_mask);
if (!smc_ib_port_active(smcibdev, port_idx + 1)) {
set_bit(port_idx, smcibdev->ports_going_away);
- smc_port_terminate(smcibdev, port_idx + 1);
+ smcr_port_err(smcibdev, port_idx + 1);
} else {
clear_bit(port_idx, smcibdev->ports_going_away);
+ smcr_port_add(smcibdev, port_idx + 1);
}
}
}
@@ -389,15 +390,15 @@ void smc_ib_put_memory_region(struct ib_mr *mr)
ib_dereg_mr(mr);
}
-static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot)
+static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot, u8 link_idx)
{
unsigned int offset = 0;
int sg_num;
/* map the largest prefix of a dma mapped SG list */
- sg_num = ib_map_mr_sg(buf_slot->mr_rx[SMC_SINGLE_LINK],
- buf_slot->sgt[SMC_SINGLE_LINK].sgl,
- buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,
+ sg_num = ib_map_mr_sg(buf_slot->mr_rx[link_idx],
+ buf_slot->sgt[link_idx].sgl,
+ buf_slot->sgt[link_idx].orig_nents,
&offset, PAGE_SIZE);
return sg_num;
@@ -405,29 +406,29 @@ static int smc_ib_map_mr_sg(struct smc_buf_desc *buf_slot)
/* Allocate a memory region and map the dma mapped SG list of buf_slot */
int smc_ib_get_memory_region(struct ib_pd *pd, int access_flags,
- struct smc_buf_desc *buf_slot)
+ struct smc_buf_desc *buf_slot, u8 link_idx)
{
- if (buf_slot->mr_rx[SMC_SINGLE_LINK])
+ if (buf_slot->mr_rx[link_idx])
return 0; /* already done */
- buf_slot->mr_rx[SMC_SINGLE_LINK] =
+ buf_slot->mr_rx[link_idx] =
ib_alloc_mr(pd, IB_MR_TYPE_MEM_REG, 1 << buf_slot->order);
- if (IS_ERR(buf_slot->mr_rx[SMC_SINGLE_LINK])) {
+ if (IS_ERR(buf_slot->mr_rx[link_idx])) {
int rc;
- rc = PTR_ERR(buf_slot->mr_rx[SMC_SINGLE_LINK]);
- buf_slot->mr_rx[SMC_SINGLE_LINK] = NULL;
+ rc = PTR_ERR(buf_slot->mr_rx[link_idx]);
+ buf_slot->mr_rx[link_idx] = NULL;
return rc;
}
- if (smc_ib_map_mr_sg(buf_slot) != 1)
+ if (smc_ib_map_mr_sg(buf_slot, link_idx) != 1)
return -EINVAL;
return 0;
}
/* synchronize buffer usage for cpu access */
-void smc_ib_sync_sg_for_cpu(struct smc_ib_device *smcibdev,
+void smc_ib_sync_sg_for_cpu(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction)
{
@@ -435,11 +436,11 @@ void smc_ib_sync_sg_for_cpu(struct smc_ib_device *smcibdev,
unsigned int i;
/* for now there is just one DMA address */
- for_each_sg(buf_slot->sgt[SMC_SINGLE_LINK].sgl, sg,
- buf_slot->sgt[SMC_SINGLE_LINK].nents, i) {
+ for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,
+ buf_slot->sgt[lnk->link_idx].nents, i) {
if (!sg_dma_len(sg))
break;
- ib_dma_sync_single_for_cpu(smcibdev->ibdev,
+ ib_dma_sync_single_for_cpu(lnk->smcibdev->ibdev,
sg_dma_address(sg),
sg_dma_len(sg),
data_direction);
@@ -447,7 +448,7 @@ void smc_ib_sync_sg_for_cpu(struct smc_ib_device *smcibdev,
}
/* synchronize buffer usage for device access */
-void smc_ib_sync_sg_for_device(struct smc_ib_device *smcibdev,
+void smc_ib_sync_sg_for_device(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction)
{
@@ -455,11 +456,11 @@ void smc_ib_sync_sg_for_device(struct smc_ib_device *smcibdev,
unsigned int i;
/* for now there is just one DMA address */
- for_each_sg(buf_slot->sgt[SMC_SINGLE_LINK].sgl, sg,
- buf_slot->sgt[SMC_SINGLE_LINK].nents, i) {
+ for_each_sg(buf_slot->sgt[lnk->link_idx].sgl, sg,
+ buf_slot->sgt[lnk->link_idx].nents, i) {
if (!sg_dma_len(sg))
break;
- ib_dma_sync_single_for_device(smcibdev->ibdev,
+ ib_dma_sync_single_for_device(lnk->smcibdev->ibdev,
sg_dma_address(sg),
sg_dma_len(sg),
data_direction);
@@ -467,15 +468,15 @@ void smc_ib_sync_sg_for_device(struct smc_ib_device *smcibdev,
}
/* Map a new TX or RX buffer SG-table to DMA */
-int smc_ib_buf_map_sg(struct smc_ib_device *smcibdev,
+int smc_ib_buf_map_sg(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction)
{
int mapped_nents;
- mapped_nents = ib_dma_map_sg(smcibdev->ibdev,
- buf_slot->sgt[SMC_SINGLE_LINK].sgl,
- buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,
+ mapped_nents = ib_dma_map_sg(lnk->smcibdev->ibdev,
+ buf_slot->sgt[lnk->link_idx].sgl,
+ buf_slot->sgt[lnk->link_idx].orig_nents,
data_direction);
if (!mapped_nents)
return -ENOMEM;
@@ -483,18 +484,18 @@ int smc_ib_buf_map_sg(struct smc_ib_device *smcibdev,
return mapped_nents;
}
-void smc_ib_buf_unmap_sg(struct smc_ib_device *smcibdev,
+void smc_ib_buf_unmap_sg(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction)
{
- if (!buf_slot->sgt[SMC_SINGLE_LINK].sgl->dma_address)
+ if (!buf_slot->sgt[lnk->link_idx].sgl->dma_address)
return; /* already unmapped */
- ib_dma_unmap_sg(smcibdev->ibdev,
- buf_slot->sgt[SMC_SINGLE_LINK].sgl,
- buf_slot->sgt[SMC_SINGLE_LINK].orig_nents,
+ ib_dma_unmap_sg(lnk->smcibdev->ibdev,
+ buf_slot->sgt[lnk->link_idx].sgl,
+ buf_slot->sgt[lnk->link_idx].orig_nents,
data_direction);
- buf_slot->sgt[SMC_SINGLE_LINK].sgl->dma_address = 0;
+ buf_slot->sgt[lnk->link_idx].sgl->dma_address = 0;
}
long smc_ib_setup_per_ibdev(struct smc_ib_device *smcibdev)
@@ -574,13 +575,23 @@ static void smc_ib_add_dev(struct ib_device *ibdev)
/* trigger reading of the port attributes */
port_cnt = smcibdev->ibdev->phys_port_cnt;
+ pr_warn_ratelimited("smc: adding ib device %s with port count %d\n",
+ smcibdev->ibdev->name, port_cnt);
for (i = 0;
i < min_t(size_t, port_cnt, SMC_MAX_PORTS);
i++) {
set_bit(i, &smcibdev->port_event_mask);
/* determine pnetids of the port */
- smc_pnetid_by_dev_port(ibdev->dev.parent, i,
- smcibdev->pnetid[i]);
+ if (smc_pnetid_by_dev_port(ibdev->dev.parent, i,
+ smcibdev->pnetid[i]))
+ smc_pnetid_by_table_ib(smcibdev, i + 1);
+ pr_warn_ratelimited("smc: ib device %s port %d has pnetid "
+ "%.16s%s\n",
+ smcibdev->ibdev->name, i + 1,
+ smcibdev->pnetid[i],
+ smcibdev->pnetid_by_user[i] ?
+ " (user defined)" :
+ "");
}
schedule_work(&smcibdev->port_event_work);
}
@@ -597,6 +608,8 @@ static void smc_ib_remove_dev(struct ib_device *ibdev, void *client_data)
spin_lock(&smc_ib_devices.lock);
list_del_init(&smcibdev->list); /* remove from smc_ib_devices */
spin_unlock(&smc_ib_devices.lock);
+ pr_warn_ratelimited("smc: removing ib device %s\n",
+ smcibdev->ibdev->name);
smc_smcr_terminate_all(smcibdev);
smc_ib_cleanup_per_ibdev(smcibdev);
ib_unregister_event_handler(&smcibdev->event_handler);
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index 5c2b115d36da..e6a696ae15f3 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -59,10 +59,10 @@ struct smc_link;
int smc_ib_register_client(void) __init;
void smc_ib_unregister_client(void);
bool smc_ib_port_active(struct smc_ib_device *smcibdev, u8 ibport);
-int smc_ib_buf_map_sg(struct smc_ib_device *smcibdev,
+int smc_ib_buf_map_sg(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction);
-void smc_ib_buf_unmap_sg(struct smc_ib_device *smcibdev,
+void smc_ib_buf_unmap_sg(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction);
void smc_ib_dealloc_protection_domain(struct smc_link *lnk);
@@ -74,12 +74,12 @@ int smc_ib_modify_qp_rts(struct smc_link *lnk);
int smc_ib_modify_qp_reset(struct smc_link *lnk);
long smc_ib_setup_per_ibdev(struct smc_ib_device *smcibdev);
int smc_ib_get_memory_region(struct ib_pd *pd, int access_flags,
- struct smc_buf_desc *buf_slot);
+ struct smc_buf_desc *buf_slot, u8 link_idx);
void smc_ib_put_memory_region(struct ib_mr *mr);
-void smc_ib_sync_sg_for_cpu(struct smc_ib_device *smcibdev,
+void smc_ib_sync_sg_for_cpu(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction);
-void smc_ib_sync_sg_for_device(struct smc_ib_device *smcibdev,
+void smc_ib_sync_sg_for_device(struct smc_link *lnk,
struct smc_buf_desc *buf_slot,
enum dma_data_direction data_direction);
int smc_ib_determine_gid(struct smc_ib_device *smcibdev, u8 ibport,
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 5c4727d5066e..91f85fc09fb8 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -296,7 +296,8 @@ struct smcd_dev *smcd_alloc_dev(struct device *parent, const char *name,
device_initialize(&smcd->dev);
dev_set_name(&smcd->dev, name);
smcd->ops = ops;
- smc_pnetid_by_dev_port(parent, 0, smcd->pnetid);
+ if (smc_pnetid_by_dev_port(parent, 0, smcd->pnetid))
+ smc_pnetid_by_table_smcd(smcd);
spin_lock_init(&smcd->lock);
spin_lock_init(&smcd->lgr_lock);
@@ -320,12 +321,18 @@ int smcd_register_dev(struct smcd_dev *smcd)
list_add_tail(&smcd->list, &smcd_dev_list.list);
spin_unlock(&smcd_dev_list.lock);
+ pr_warn_ratelimited("smc: adding smcd device %s with pnetid %.16s%s\n",
+ dev_name(&smcd->dev), smcd->pnetid,
+ smcd->pnetid_by_user ? " (user defined)" : "");
+
return device_add(&smcd->dev);
}
EXPORT_SYMBOL_GPL(smcd_register_dev);
void smcd_unregister_dev(struct smcd_dev *smcd)
{
+ pr_warn_ratelimited("smc: removing smcd device %s\n",
+ dev_name(&smcd->dev));
spin_lock(&smcd_dev_list.lock);
list_del_init(&smcd->list);
spin_unlock(&smcd_dev_list.lock);
diff --git a/net/smc/smc_llc.c b/net/smc/smc_llc.c
index 0e52aab53d97..391237b601fe 100644
--- a/net/smc/smc_llc.c
+++ b/net/smc/smc_llc.c
@@ -17,6 +17,7 @@
#include "smc_core.h"
#include "smc_clc.h"
#include "smc_llc.h"
+#include "smc_pnet.h"
#define SMC_LLC_DATA_LEN 40
@@ -58,11 +59,34 @@ struct smc_llc_msg_add_link { /* type 0x02 */
u8 sender_gid[SMC_GID_SIZE];
u8 sender_qp_num[3];
u8 link_num;
- u8 flags2; /* QP mtu */
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u8 reserved3 : 4,
+ qp_mtu : 4;
+#elif defined(__LITTLE_ENDIAN_BITFIELD)
+ u8 qp_mtu : 4,
+ reserved3 : 4;
+#endif
u8 initial_psn[3];
u8 reserved[8];
};
+struct smc_llc_msg_add_link_cont_rt {
+ __be32 rmb_key;
+ __be32 rmb_key_new;
+ __be64 rmb_vaddr_new;
+};
+
+#define SMC_LLC_RKEYS_PER_CONT_MSG 2
+
+struct smc_llc_msg_add_link_cont { /* type 0x03 */
+ struct smc_llc_hdr hd;
+ u8 link_num;
+ u8 num_rkeys;
+ u8 reserved2[2];
+ struct smc_llc_msg_add_link_cont_rt rt[SMC_LLC_RKEYS_PER_CONT_MSG];
+ u8 reserved[4];
+} __packed; /* format defined in RFC7609 */
+
#define SMC_LLC_FLAG_DEL_LINK_ALL 0x40
#define SMC_LLC_FLAG_DEL_LINK_ORDERLY 0x20
@@ -98,13 +122,8 @@ struct smc_llc_msg_confirm_rkey { /* type 0x06 */
u8 reserved;
};
-struct smc_llc_msg_confirm_rkey_cont { /* type 0x08 */
- struct smc_llc_hdr hd;
- u8 num_rkeys;
- struct smc_rmb_rtoken rtoken[SMC_LLC_RKEYS_PER_MSG];
-};
-
#define SMC_LLC_DEL_RKEY_MAX 8
+#define SMC_LLC_FLAG_RKEY_RETRY 0x10
#define SMC_LLC_FLAG_RKEY_NEG 0x20
struct smc_llc_msg_delete_rkey { /* type 0x09 */
@@ -119,10 +138,10 @@ struct smc_llc_msg_delete_rkey { /* type 0x09 */
union smc_llc_msg {
struct smc_llc_msg_confirm_link confirm_link;
struct smc_llc_msg_add_link add_link;
+ struct smc_llc_msg_add_link_cont add_link_cont;
struct smc_llc_msg_del_link delete_link;
struct smc_llc_msg_confirm_rkey confirm_rkey;
- struct smc_llc_msg_confirm_rkey_cont confirm_rkey_cont;
struct smc_llc_msg_delete_rkey delete_rkey;
struct smc_llc_msg_test_link test_link;
@@ -134,6 +153,162 @@ union smc_llc_msg {
#define SMC_LLC_FLAG_RESP 0x80
+struct smc_llc_qentry {
+ struct list_head list;
+ struct smc_link *link;
+ union smc_llc_msg msg;
+};
+
+static void smc_llc_enqueue(struct smc_link *link, union smc_llc_msg *llc);
+
+struct smc_llc_qentry *smc_llc_flow_qentry_clr(struct smc_llc_flow *flow)
+{
+ struct smc_llc_qentry *qentry = flow->qentry;
+
+ flow->qentry = NULL;
+ return qentry;
+}
+
+void smc_llc_flow_qentry_del(struct smc_llc_flow *flow)
+{
+ struct smc_llc_qentry *qentry;
+
+ if (flow->qentry) {
+ qentry = flow->qentry;
+ flow->qentry = NULL;
+ kfree(qentry);
+ }
+}
+
+static inline void smc_llc_flow_qentry_set(struct smc_llc_flow *flow,
+ struct smc_llc_qentry *qentry)
+{
+ flow->qentry = qentry;
+}
+
+/* try to start a new llc flow, initiated by an incoming llc msg */
+static bool smc_llc_flow_start(struct smc_llc_flow *flow,
+ struct smc_llc_qentry *qentry)
+{
+ struct smc_link_group *lgr = qentry->link->lgr;
+
+ spin_lock_bh(&lgr->llc_flow_lock);
+ if (flow->type) {
+ /* a flow is already active */
+ if ((qentry->msg.raw.hdr.common.type == SMC_LLC_ADD_LINK ||
+ qentry->msg.raw.hdr.common.type == SMC_LLC_DELETE_LINK) &&
+ !lgr->delayed_event) {
+ lgr->delayed_event = qentry;
+ } else {
+ /* forget this llc request */
+ kfree(qentry);
+ }
+ spin_unlock_bh(&lgr->llc_flow_lock);
+ return false;
+ }
+ switch (qentry->msg.raw.hdr.common.type) {
+ case SMC_LLC_ADD_LINK:
+ flow->type = SMC_LLC_FLOW_ADD_LINK;
+ break;
+ case SMC_LLC_DELETE_LINK:
+ flow->type = SMC_LLC_FLOW_DEL_LINK;
+ break;
+ case SMC_LLC_CONFIRM_RKEY:
+ case SMC_LLC_DELETE_RKEY:
+ flow->type = SMC_LLC_FLOW_RKEY;
+ break;
+ default:
+ flow->type = SMC_LLC_FLOW_NONE;
+ }
+ if (qentry == lgr->delayed_event)
+ lgr->delayed_event = NULL;
+ spin_unlock_bh(&lgr->llc_flow_lock);
+ smc_llc_flow_qentry_set(flow, qentry);
+ return true;
+}
+
+/* start a new local llc flow, wait till current flow finished */
+int smc_llc_flow_initiate(struct smc_link_group *lgr,
+ enum smc_llc_flowtype type)
+{
+ enum smc_llc_flowtype allowed_remote = SMC_LLC_FLOW_NONE;
+ int rc;
+
+ /* all flows except confirm_rkey and delete_rkey are exclusive,
+ * confirm/delete rkey flows can run concurrently (local and remote)
+ */
+ if (type == SMC_LLC_FLOW_RKEY)
+ allowed_remote = SMC_LLC_FLOW_RKEY;
+again:
+ if (list_empty(&lgr->list))
+ return -ENODEV;
+ spin_lock_bh(&lgr->llc_flow_lock);
+ if (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE &&
+ (lgr->llc_flow_rmt.type == SMC_LLC_FLOW_NONE ||
+ lgr->llc_flow_rmt.type == allowed_remote)) {
+ lgr->llc_flow_lcl.type = type;
+ spin_unlock_bh(&lgr->llc_flow_lock);
+ return 0;
+ }
+ spin_unlock_bh(&lgr->llc_flow_lock);
+ rc = wait_event_interruptible_timeout(lgr->llc_waiter,
+ (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_NONE &&
+ (lgr->llc_flow_rmt.type == SMC_LLC_FLOW_NONE ||
+ lgr->llc_flow_rmt.type == allowed_remote)),
+ SMC_LLC_WAIT_TIME);
+ if (!rc)
+ return -ETIMEDOUT;
+ goto again;
+}
+
+/* finish the current llc flow */
+void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow)
+{
+ spin_lock_bh(&lgr->llc_flow_lock);
+ memset(flow, 0, sizeof(*flow));
+ flow->type = SMC_LLC_FLOW_NONE;
+ spin_unlock_bh(&lgr->llc_flow_lock);
+ if (!list_empty(&lgr->list) && lgr->delayed_event &&
+ flow == &lgr->llc_flow_lcl)
+ schedule_work(&lgr->llc_event_work);
+ else
+ wake_up_interruptible(&lgr->llc_waiter);
+}
+
+/* lnk is optional and used for early wakeup when link goes down, useful in
+ * cases where we wait for a response on the link after we sent a request
+ */
+struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr,
+ struct smc_link *lnk,
+ int time_out, u8 exp_msg)
+{
+ struct smc_llc_flow *flow = &lgr->llc_flow_lcl;
+
+ wait_event_interruptible_timeout(lgr->llc_waiter,
+ (flow->qentry ||
+ (lnk && !smc_link_usable(lnk)) ||
+ list_empty(&lgr->list)),
+ time_out);
+ if (!flow->qentry ||
+ (lnk && !smc_link_usable(lnk)) || list_empty(&lgr->list)) {
+ smc_llc_flow_qentry_del(flow);
+ goto out;
+ }
+ if (exp_msg && flow->qentry->msg.raw.hdr.common.type != exp_msg) {
+ if (exp_msg == SMC_LLC_ADD_LINK &&
+ flow->qentry->msg.raw.hdr.common.type ==
+ SMC_LLC_DELETE_LINK) {
+ /* flow_start will delay the unexpected msg */
+ smc_llc_flow_start(&lgr->llc_flow_lcl,
+ smc_llc_flow_qentry_clr(flow));
+ return NULL;
+ }
+ smc_llc_flow_qentry_del(flow);
+ }
+out:
+ return flow->qentry;
+}
+
/********************************** send *************************************/
struct smc_llc_tx_pend {
@@ -186,7 +361,6 @@ static int smc_llc_add_pending_send(struct smc_link *link,
int smc_llc_send_confirm_link(struct smc_link *link,
enum smc_llc_reqresp reqresp)
{
- struct smc_link_group *lgr = smc_get_lgr(link);
struct smc_llc_msg_confirm_link *confllc;
struct smc_wr_tx_pend_priv *pend;
struct smc_wr_buf *wr_buf;
@@ -207,35 +381,52 @@ int smc_llc_send_confirm_link(struct smc_link *link,
memcpy(confllc->sender_gid, link->gid, SMC_GID_SIZE);
hton24(confllc->sender_qp_num, link->roce_qp->qp_num);
confllc->link_num = link->link_id;
- memcpy(confllc->link_uid, lgr->id, SMC_LGR_ID_SIZE);
- confllc->max_links = SMC_LLC_ADD_LNK_MAX_LINKS; /* enforce peer resp. */
+ memcpy(confllc->link_uid, link->link_uid, SMC_LGR_ID_SIZE);
+ confllc->max_links = SMC_LLC_ADD_LNK_MAX_LINKS;
/* send llc message */
rc = smc_wr_tx_send(link, pend);
return rc;
}
/* send LLC confirm rkey request */
-static int smc_llc_send_confirm_rkey(struct smc_link *link,
+static int smc_llc_send_confirm_rkey(struct smc_link *send_link,
struct smc_buf_desc *rmb_desc)
{
struct smc_llc_msg_confirm_rkey *rkeyllc;
struct smc_wr_tx_pend_priv *pend;
struct smc_wr_buf *wr_buf;
- int rc;
+ struct smc_link *link;
+ int i, rc, rtok_ix;
- rc = smc_llc_add_pending_send(link, &wr_buf, &pend);
+ rc = smc_llc_add_pending_send(send_link, &wr_buf, &pend);
if (rc)
return rc;
rkeyllc = (struct smc_llc_msg_confirm_rkey *)wr_buf;
memset(rkeyllc, 0, sizeof(*rkeyllc));
rkeyllc->hd.common.type = SMC_LLC_CONFIRM_RKEY;
rkeyllc->hd.length = sizeof(struct smc_llc_msg_confirm_rkey);
+
+ rtok_ix = 1;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ link = &send_link->lgr->lnk[i];
+ if (link->state == SMC_LNK_ACTIVE && link != send_link) {
+ rkeyllc->rtoken[rtok_ix].link_id = link->link_id;
+ rkeyllc->rtoken[rtok_ix].rmb_key =
+ htonl(rmb_desc->mr_rx[link->link_idx]->rkey);
+ rkeyllc->rtoken[rtok_ix].rmb_vaddr = cpu_to_be64(
+ (u64)sg_dma_address(
+ rmb_desc->sgt[link->link_idx].sgl));
+ rtok_ix++;
+ }
+ }
+ /* rkey of send_link is in rtoken[0] */
+ rkeyllc->rtoken[0].num_rkeys = rtok_ix - 1;
rkeyllc->rtoken[0].rmb_key =
- htonl(rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+ htonl(rmb_desc->mr_rx[send_link->link_idx]->rkey);
rkeyllc->rtoken[0].rmb_vaddr = cpu_to_be64(
- (u64)sg_dma_address(rmb_desc->sgt[SMC_SINGLE_LINK].sgl));
+ (u64)sg_dma_address(rmb_desc->sgt[send_link->link_idx].sgl));
/* send llc message */
- rc = smc_wr_tx_send(link, pend);
+ rc = smc_wr_tx_send(send_link, pend);
return rc;
}
@@ -256,32 +447,15 @@ static int smc_llc_send_delete_rkey(struct smc_link *link,
rkeyllc->hd.common.type = SMC_LLC_DELETE_RKEY;
rkeyllc->hd.length = sizeof(struct smc_llc_msg_delete_rkey);
rkeyllc->num_rkeys = 1;
- rkeyllc->rkey[0] = htonl(rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+ rkeyllc->rkey[0] = htonl(rmb_desc->mr_rx[link->link_idx]->rkey);
/* send llc message */
rc = smc_wr_tx_send(link, pend);
return rc;
}
-/* prepare an add link message */
-static void smc_llc_prep_add_link(struct smc_llc_msg_add_link *addllc,
- struct smc_link *link, u8 mac[], u8 gid[],
- enum smc_llc_reqresp reqresp)
-{
- memset(addllc, 0, sizeof(*addllc));
- addllc->hd.common.type = SMC_LLC_ADD_LINK;
- addllc->hd.length = sizeof(struct smc_llc_msg_add_link);
- if (reqresp == SMC_LLC_RESP) {
- addllc->hd.flags |= SMC_LLC_FLAG_RESP;
- /* always reject more links for now */
- addllc->hd.flags |= SMC_LLC_FLAG_ADD_LNK_REJ;
- addllc->hd.add_link_rej_rsn = SMC_LLC_REJ_RSN_NO_ALT_PATH;
- }
- memcpy(addllc->sender_mac, mac, ETH_ALEN);
- memcpy(addllc->sender_gid, gid, SMC_GID_SIZE);
-}
-
/* send ADD LINK request or response */
int smc_llc_send_add_link(struct smc_link *link, u8 mac[], u8 gid[],
+ struct smc_link *link_new,
enum smc_llc_reqresp reqresp)
{
struct smc_llc_msg_add_link *addllc;
@@ -293,32 +467,33 @@ int smc_llc_send_add_link(struct smc_link *link, u8 mac[], u8 gid[],
if (rc)
return rc;
addllc = (struct smc_llc_msg_add_link *)wr_buf;
- smc_llc_prep_add_link(addllc, link, mac, gid, reqresp);
+
+ memset(addllc, 0, sizeof(*addllc));
+ addllc->hd.common.type = SMC_LLC_ADD_LINK;
+ addllc->hd.length = sizeof(struct smc_llc_msg_add_link);
+ if (reqresp == SMC_LLC_RESP)
+ addllc->hd.flags |= SMC_LLC_FLAG_RESP;
+ memcpy(addllc->sender_mac, mac, ETH_ALEN);
+ memcpy(addllc->sender_gid, gid, SMC_GID_SIZE);
+ if (link_new) {
+ addllc->link_num = link_new->link_id;
+ hton24(addllc->sender_qp_num, link_new->roce_qp->qp_num);
+ hton24(addllc->initial_psn, link_new->psn_initial);
+ if (reqresp == SMC_LLC_REQ)
+ addllc->qp_mtu = link_new->path_mtu;
+ else
+ addllc->qp_mtu = min(link_new->path_mtu,
+ link_new->peer_mtu);
+ }
/* send llc message */
rc = smc_wr_tx_send(link, pend);
return rc;
}
-/* prepare a delete link message */
-static void smc_llc_prep_delete_link(struct smc_llc_msg_del_link *delllc,
- struct smc_link *link,
- enum smc_llc_reqresp reqresp, bool orderly)
-{
- memset(delllc, 0, sizeof(*delllc));
- delllc->hd.common.type = SMC_LLC_DELETE_LINK;
- delllc->hd.length = sizeof(struct smc_llc_msg_add_link);
- if (reqresp == SMC_LLC_RESP)
- delllc->hd.flags |= SMC_LLC_FLAG_RESP;
- /* DEL_LINK_ALL because only 1 link supported */
- delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ALL;
- if (orderly)
- delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
- delllc->link_num = link->link_id;
-}
-
/* send DELETE LINK request or response */
-int smc_llc_send_delete_link(struct smc_link *link,
- enum smc_llc_reqresp reqresp, bool orderly)
+int smc_llc_send_delete_link(struct smc_link *link, u8 link_del_id,
+ enum smc_llc_reqresp reqresp, bool orderly,
+ u32 reason)
{
struct smc_llc_msg_del_link *delllc;
struct smc_wr_tx_pend_priv *pend;
@@ -329,7 +504,19 @@ int smc_llc_send_delete_link(struct smc_link *link,
if (rc)
return rc;
delllc = (struct smc_llc_msg_del_link *)wr_buf;
- smc_llc_prep_delete_link(delllc, link, reqresp, orderly);
+
+ memset(delllc, 0, sizeof(*delllc));
+ delllc->hd.common.type = SMC_LLC_DELETE_LINK;
+ delllc->hd.length = sizeof(struct smc_llc_msg_del_link);
+ if (reqresp == SMC_LLC_RESP)
+ delllc->hd.flags |= SMC_LLC_FLAG_RESP;
+ if (orderly)
+ delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
+ if (link_del_id)
+ delllc->link_num = link_del_id;
+ else
+ delllc->hd.flags |= SMC_LLC_FLAG_DEL_LINK_ALL;
+ delllc->reason = htonl(reason);
/* send llc message */
rc = smc_wr_tx_send(link, pend);
return rc;
@@ -356,238 +543,1094 @@ static int smc_llc_send_test_link(struct smc_link *link, u8 user_data[16])
return rc;
}
-struct smc_llc_send_work {
- struct work_struct work;
- struct smc_link *link;
- int llclen;
- union smc_llc_msg llcbuf;
-};
-
-/* worker that sends a prepared message */
-static void smc_llc_send_message_work(struct work_struct *work)
+/* schedule an llc send on link, may wait for buffers */
+static int smc_llc_send_message(struct smc_link *link, void *llcbuf)
{
- struct smc_llc_send_work *llcwrk = container_of(work,
- struct smc_llc_send_work, work);
struct smc_wr_tx_pend_priv *pend;
struct smc_wr_buf *wr_buf;
int rc;
- if (llcwrk->link->state == SMC_LNK_INACTIVE)
- goto out;
- rc = smc_llc_add_pending_send(llcwrk->link, &wr_buf, &pend);
+ if (!smc_link_usable(link))
+ return -ENOLINK;
+ rc = smc_llc_add_pending_send(link, &wr_buf, &pend);
if (rc)
- goto out;
- memcpy(wr_buf, &llcwrk->llcbuf, llcwrk->llclen);
- smc_wr_tx_send(llcwrk->link, pend);
-out:
- kfree(llcwrk);
+ return rc;
+ memcpy(wr_buf, llcbuf, sizeof(union smc_llc_msg));
+ return smc_wr_tx_send(link, pend);
}
-/* copy llcbuf and schedule an llc send on link */
-static int smc_llc_send_message(struct smc_link *link, void *llcbuf, int llclen)
+/* schedule an llc send on link, may wait for buffers,
+ * and wait for send completion notification.
+ * @return 0 on success
+ */
+static int smc_llc_send_message_wait(struct smc_link *link, void *llcbuf)
{
- struct smc_llc_send_work *wrk = kmalloc(sizeof(*wrk), GFP_ATOMIC);
+ struct smc_wr_tx_pend_priv *pend;
+ struct smc_wr_buf *wr_buf;
+ int rc;
- if (!wrk)
- return -ENOMEM;
- INIT_WORK(&wrk->work, smc_llc_send_message_work);
- wrk->link = link;
- wrk->llclen = llclen;
- memcpy(&wrk->llcbuf, llcbuf, llclen);
- queue_work(link->llc_wq, &wrk->work);
- return 0;
+ if (!smc_link_usable(link))
+ return -ENOLINK;
+ rc = smc_llc_add_pending_send(link, &wr_buf, &pend);
+ if (rc)
+ return rc;
+ memcpy(wr_buf, llcbuf, sizeof(union smc_llc_msg));
+ return smc_wr_tx_send_wait(link, pend, SMC_LLC_WAIT_TIME);
}
/********************************* receive ***********************************/
-static void smc_llc_rx_confirm_link(struct smc_link *link,
- struct smc_llc_msg_confirm_link *llc)
+static int smc_llc_alloc_alt_link(struct smc_link_group *lgr,
+ enum smc_lgr_type lgr_new_t)
{
- struct smc_link_group *lgr = smc_get_lgr(link);
- int conf_rc;
+ int i;
+
+ if (lgr->type == SMC_LGR_SYMMETRIC ||
+ (lgr->type != SMC_LGR_SINGLE &&
+ (lgr_new_t == SMC_LGR_ASYMMETRIC_LOCAL ||
+ lgr_new_t == SMC_LGR_ASYMMETRIC_PEER)))
+ return -EMLINK;
+
+ if (lgr_new_t == SMC_LGR_ASYMMETRIC_LOCAL ||
+ lgr_new_t == SMC_LGR_ASYMMETRIC_PEER) {
+ for (i = SMC_LINKS_PER_LGR_MAX - 1; i >= 0; i--)
+ if (lgr->lnk[i].state == SMC_LNK_UNUSED)
+ return i;
+ } else {
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++)
+ if (lgr->lnk[i].state == SMC_LNK_UNUSED)
+ return i;
+ }
+ return -EMLINK;
+}
- /* RMBE eyecatchers are not supported */
- if (llc->hd.flags & SMC_LLC_FLAG_NO_RMBE_EYEC)
- conf_rc = 0;
- else
- conf_rc = ENOTSUPP;
+/* return first buffer from any of the next buf lists */
+static struct smc_buf_desc *_smc_llc_get_next_rmb(struct smc_link_group *lgr,
+ int *buf_lst)
+{
+ struct smc_buf_desc *buf_pos;
+
+ while (*buf_lst < SMC_RMBE_SIZES) {
+ buf_pos = list_first_entry_or_null(&lgr->rmbs[*buf_lst],
+ struct smc_buf_desc, list);
+ if (buf_pos)
+ return buf_pos;
+ (*buf_lst)++;
+ }
+ return NULL;
+}
+
+/* return next rmb from buffer lists */
+static struct smc_buf_desc *smc_llc_get_next_rmb(struct smc_link_group *lgr,
+ int *buf_lst,
+ struct smc_buf_desc *buf_pos)
+{
+ struct smc_buf_desc *buf_next;
+
+ if (!buf_pos || list_is_last(&buf_pos->list, &lgr->rmbs[*buf_lst])) {
+ (*buf_lst)++;
+ return _smc_llc_get_next_rmb(lgr, buf_lst);
+ }
+ buf_next = list_next_entry(buf_pos, list);
+ return buf_next;
+}
+
+static struct smc_buf_desc *smc_llc_get_first_rmb(struct smc_link_group *lgr,
+ int *buf_lst)
+{
+ *buf_lst = 0;
+ return smc_llc_get_next_rmb(lgr, buf_lst, NULL);
+}
+
+/* send one add_link_continue msg */
+static int smc_llc_add_link_cont(struct smc_link *link,
+ struct smc_link *link_new, u8 *num_rkeys_todo,
+ int *buf_lst, struct smc_buf_desc **buf_pos)
+{
+ struct smc_llc_msg_add_link_cont *addc_llc;
+ struct smc_link_group *lgr = link->lgr;
+ int prim_lnk_idx, lnk_idx, i, rc;
+ struct smc_wr_tx_pend_priv *pend;
+ struct smc_wr_buf *wr_buf;
+ struct smc_buf_desc *rmb;
+ u8 n;
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- if (lgr->role == SMC_SERV &&
- link->state == SMC_LNK_ACTIVATING) {
- link->llc_confirm_resp_rc = conf_rc;
- complete(&link->llc_confirm_resp);
+ rc = smc_llc_add_pending_send(link, &wr_buf, &pend);
+ if (rc)
+ return rc;
+ addc_llc = (struct smc_llc_msg_add_link_cont *)wr_buf;
+ memset(addc_llc, 0, sizeof(*addc_llc));
+
+ prim_lnk_idx = link->link_idx;
+ lnk_idx = link_new->link_idx;
+ addc_llc->link_num = link_new->link_id;
+ addc_llc->num_rkeys = *num_rkeys_todo;
+ n = *num_rkeys_todo;
+ for (i = 0; i < min_t(u8, n, SMC_LLC_RKEYS_PER_CONT_MSG); i++) {
+ if (!*buf_pos) {
+ addc_llc->num_rkeys = addc_llc->num_rkeys -
+ *num_rkeys_todo;
+ *num_rkeys_todo = 0;
+ break;
}
- } else {
- if (lgr->role == SMC_CLNT &&
- link->state == SMC_LNK_ACTIVATING) {
- link->llc_confirm_rc = conf_rc;
- link->link_id = llc->link_num;
- complete(&link->llc_confirm);
+ rmb = *buf_pos;
+
+ addc_llc->rt[i].rmb_key = htonl(rmb->mr_rx[prim_lnk_idx]->rkey);
+ addc_llc->rt[i].rmb_key_new = htonl(rmb->mr_rx[lnk_idx]->rkey);
+ addc_llc->rt[i].rmb_vaddr_new =
+ cpu_to_be64((u64)sg_dma_address(rmb->sgt[lnk_idx].sgl));
+
+ (*num_rkeys_todo)--;
+ *buf_pos = smc_llc_get_next_rmb(lgr, buf_lst, *buf_pos);
+ while (*buf_pos && !(*buf_pos)->used)
+ *buf_pos = smc_llc_get_next_rmb(lgr, buf_lst, *buf_pos);
+ }
+ addc_llc->hd.common.type = SMC_LLC_ADD_LINK_CONT;
+ addc_llc->hd.length = sizeof(struct smc_llc_msg_add_link_cont);
+ if (lgr->role == SMC_CLNT)
+ addc_llc->hd.flags |= SMC_LLC_FLAG_RESP;
+ return smc_wr_tx_send(link, pend);
+}
+
+static int smc_llc_cli_rkey_exchange(struct smc_link *link,
+ struct smc_link *link_new)
+{
+ struct smc_llc_msg_add_link_cont *addc_llc;
+ struct smc_link_group *lgr = link->lgr;
+ u8 max, num_rkeys_send, num_rkeys_recv;
+ struct smc_llc_qentry *qentry;
+ struct smc_buf_desc *buf_pos;
+ int buf_lst;
+ int rc = 0;
+ int i;
+
+ mutex_lock(&lgr->rmbs_lock);
+ num_rkeys_send = lgr->conns_num;
+ buf_pos = smc_llc_get_first_rmb(lgr, &buf_lst);
+ do {
+ qentry = smc_llc_wait(lgr, NULL, SMC_LLC_WAIT_TIME,
+ SMC_LLC_ADD_LINK_CONT);
+ if (!qentry) {
+ rc = -ETIMEDOUT;
+ break;
+ }
+ addc_llc = &qentry->msg.add_link_cont;
+ num_rkeys_recv = addc_llc->num_rkeys;
+ max = min_t(u8, num_rkeys_recv, SMC_LLC_RKEYS_PER_CONT_MSG);
+ for (i = 0; i < max; i++) {
+ smc_rtoken_set(lgr, link->link_idx, link_new->link_idx,
+ addc_llc->rt[i].rmb_key,
+ addc_llc->rt[i].rmb_vaddr_new,
+ addc_llc->rt[i].rmb_key_new);
+ num_rkeys_recv--;
}
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ rc = smc_llc_add_link_cont(link, link_new, &num_rkeys_send,
+ &buf_lst, &buf_pos);
+ if (rc)
+ break;
+ } while (num_rkeys_send || num_rkeys_recv);
+
+ mutex_unlock(&lgr->rmbs_lock);
+ return rc;
+}
+
+/* prepare and send an add link reject response */
+static int smc_llc_cli_add_link_reject(struct smc_llc_qentry *qentry)
+{
+ qentry->msg.raw.hdr.flags |= SMC_LLC_FLAG_RESP;
+ qentry->msg.raw.hdr.flags |= SMC_LLC_FLAG_ADD_LNK_REJ;
+ qentry->msg.raw.hdr.add_link_rej_rsn = SMC_LLC_REJ_RSN_NO_ALT_PATH;
+ return smc_llc_send_message(qentry->link, &qentry->msg);
+}
+
+static int smc_llc_cli_conf_link(struct smc_link *link,
+ struct smc_init_info *ini,
+ struct smc_link *link_new,
+ enum smc_lgr_type lgr_new_t)
+{
+ struct smc_link_group *lgr = link->lgr;
+ struct smc_llc_qentry *qentry = NULL;
+ int rc = 0;
+
+ /* receive CONFIRM LINK request over RoCE fabric */
+ qentry = smc_llc_wait(lgr, NULL, SMC_LLC_WAIT_FIRST_TIME, 0);
+ if (!qentry) {
+ rc = smc_llc_send_delete_link(link, link_new->link_id,
+ SMC_LLC_REQ, false,
+ SMC_LLC_DEL_LOST_PATH);
+ return -ENOLINK;
+ }
+ if (qentry->msg.raw.hdr.common.type != SMC_LLC_CONFIRM_LINK) {
+ /* received DELETE_LINK instead */
+ qentry->msg.raw.hdr.flags |= SMC_LLC_FLAG_RESP;
+ smc_llc_send_message(link, &qentry->msg);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ return -ENOLINK;
+ }
+ smc_llc_save_peer_uid(qentry);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+
+ rc = smc_ib_modify_qp_rts(link_new);
+ if (rc) {
+ smc_llc_send_delete_link(link, link_new->link_id, SMC_LLC_REQ,
+ false, SMC_LLC_DEL_LOST_PATH);
+ return -ENOLINK;
}
+ smc_wr_remember_qp_attr(link_new);
+
+ rc = smcr_buf_reg_lgr(link_new);
+ if (rc) {
+ smc_llc_send_delete_link(link, link_new->link_id, SMC_LLC_REQ,
+ false, SMC_LLC_DEL_LOST_PATH);
+ return -ENOLINK;
+ }
+
+ /* send CONFIRM LINK response over RoCE fabric */
+ rc = smc_llc_send_confirm_link(link_new, SMC_LLC_RESP);
+ if (rc) {
+ smc_llc_send_delete_link(link, link_new->link_id, SMC_LLC_REQ,
+ false, SMC_LLC_DEL_LOST_PATH);
+ return -ENOLINK;
+ }
+ smc_llc_link_active(link_new);
+ if (lgr_new_t == SMC_LGR_ASYMMETRIC_LOCAL ||
+ lgr_new_t == SMC_LGR_ASYMMETRIC_PEER)
+ smcr_lgr_set_type_asym(lgr, lgr_new_t, link_new->link_idx);
+ else
+ smcr_lgr_set_type(lgr, lgr_new_t);
+ return 0;
}
-static void smc_llc_rx_add_link(struct smc_link *link,
- struct smc_llc_msg_add_link *llc)
+static void smc_llc_save_add_link_info(struct smc_link *link,
+ struct smc_llc_msg_add_link *add_llc)
{
+ link->peer_qpn = ntoh24(add_llc->sender_qp_num);
+ memcpy(link->peer_gid, add_llc->sender_gid, SMC_GID_SIZE);
+ memcpy(link->peer_mac, add_llc->sender_mac, ETH_ALEN);
+ link->peer_psn = ntoh24(add_llc->initial_psn);
+ link->peer_mtu = add_llc->qp_mtu;
+}
+
+/* as an SMC client, process an add link request */
+int smc_llc_cli_add_link(struct smc_link *link, struct smc_llc_qentry *qentry)
+{
+ struct smc_llc_msg_add_link *llc = &qentry->msg.add_link;
+ enum smc_lgr_type lgr_new_t = SMC_LGR_SYMMETRIC;
struct smc_link_group *lgr = smc_get_lgr(link);
+ struct smc_link *lnk_new = NULL;
+ struct smc_init_info ini;
+ int lnk_idx, rc = 0;
+
+ ini.vlan_id = lgr->vlan_id;
+ smc_pnet_find_alt_roce(lgr, &ini, link->smcibdev);
+ if (!memcmp(llc->sender_gid, link->peer_gid, SMC_GID_SIZE) &&
+ !memcmp(llc->sender_mac, link->peer_mac, ETH_ALEN)) {
+ if (!ini.ib_dev)
+ goto out_reject;
+ lgr_new_t = SMC_LGR_ASYMMETRIC_PEER;
+ }
+ if (!ini.ib_dev) {
+ lgr_new_t = SMC_LGR_ASYMMETRIC_LOCAL;
+ ini.ib_dev = link->smcibdev;
+ ini.ib_port = link->ibport;
+ }
+ lnk_idx = smc_llc_alloc_alt_link(lgr, lgr_new_t);
+ if (lnk_idx < 0)
+ goto out_reject;
+ lnk_new = &lgr->lnk[lnk_idx];
+ rc = smcr_link_init(lgr, lnk_new, lnk_idx, &ini);
+ if (rc)
+ goto out_reject;
+ smc_llc_save_add_link_info(lnk_new, llc);
+ lnk_new->link_id = llc->link_num; /* SMC server assigns link id */
+ smc_llc_link_set_uid(lnk_new);
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- if (link->state == SMC_LNK_ACTIVATING)
- complete(&link->llc_add_resp);
- } else {
- if (link->state == SMC_LNK_ACTIVATING) {
- complete(&link->llc_add);
- return;
- }
+ rc = smc_ib_ready_link(lnk_new);
+ if (rc)
+ goto out_clear_lnk;
- if (lgr->role == SMC_SERV) {
- smc_llc_prep_add_link(llc, link,
- link->smcibdev->mac[link->ibport - 1],
- link->gid, SMC_LLC_REQ);
+ rc = smcr_buf_map_lgr(lnk_new);
+ if (rc)
+ goto out_clear_lnk;
- } else {
- smc_llc_prep_add_link(llc, link,
- link->smcibdev->mac[link->ibport - 1],
- link->gid, SMC_LLC_RESP);
+ rc = smc_llc_send_add_link(link,
+ lnk_new->smcibdev->mac[ini.ib_port - 1],
+ lnk_new->gid, lnk_new, SMC_LLC_RESP);
+ if (rc)
+ goto out_clear_lnk;
+ rc = smc_llc_cli_rkey_exchange(link, lnk_new);
+ if (rc) {
+ rc = 0;
+ goto out_clear_lnk;
+ }
+ rc = smc_llc_cli_conf_link(link, &ini, lnk_new, lgr_new_t);
+ if (!rc)
+ goto out;
+out_clear_lnk:
+ smcr_link_clear(lnk_new, false);
+out_reject:
+ smc_llc_cli_add_link_reject(qentry);
+out:
+ kfree(qentry);
+ return rc;
+}
+
+static void smc_llc_process_cli_add_link(struct smc_link_group *lgr)
+{
+ struct smc_llc_qentry *qentry;
+
+ qentry = smc_llc_flow_qentry_clr(&lgr->llc_flow_lcl);
+
+ mutex_lock(&lgr->llc_conf_mutex);
+ smc_llc_cli_add_link(qentry->link, qentry);
+ mutex_unlock(&lgr->llc_conf_mutex);
+}
+
+static int smc_llc_active_link_count(struct smc_link_group *lgr)
+{
+ int i, link_count = 0;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (!smc_link_usable(&lgr->lnk[i]))
+ continue;
+ link_count++;
+ }
+ return link_count;
+}
+
+/* find the asymmetric link when 3 links are established */
+static struct smc_link *smc_llc_find_asym_link(struct smc_link_group *lgr)
+{
+ int asym_idx = -ENOENT;
+ int i, j, k;
+ bool found;
+
+ /* determine asymmetric link */
+ found = false;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ for (j = i + 1; j < SMC_LINKS_PER_LGR_MAX; j++) {
+ if (!smc_link_usable(&lgr->lnk[i]) ||
+ !smc_link_usable(&lgr->lnk[j]))
+ continue;
+ if (!memcmp(lgr->lnk[i].gid, lgr->lnk[j].gid,
+ SMC_GID_SIZE)) {
+ found = true; /* asym_lnk is i or j */
+ break;
+ }
}
- smc_llc_send_message(link, llc, sizeof(*llc));
+ if (found)
+ break;
}
+ if (!found)
+ goto out; /* no asymmetric link */
+ for (k = 0; k < SMC_LINKS_PER_LGR_MAX; k++) {
+ if (!smc_link_usable(&lgr->lnk[k]))
+ continue;
+ if (k != i &&
+ !memcmp(lgr->lnk[i].peer_gid, lgr->lnk[k].peer_gid,
+ SMC_GID_SIZE)) {
+ asym_idx = i;
+ break;
+ }
+ if (k != j &&
+ !memcmp(lgr->lnk[j].peer_gid, lgr->lnk[k].peer_gid,
+ SMC_GID_SIZE)) {
+ asym_idx = j;
+ break;
+ }
+ }
+out:
+ return (asym_idx < 0) ? NULL : &lgr->lnk[asym_idx];
}
-static void smc_llc_rx_delete_link(struct smc_link *link,
- struct smc_llc_msg_del_link *llc)
+static void smc_llc_delete_asym_link(struct smc_link_group *lgr)
{
- struct smc_link_group *lgr = smc_get_lgr(link);
+ struct smc_link *lnk_new = NULL, *lnk_asym;
+ struct smc_llc_qentry *qentry;
+ int rc;
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- if (lgr->role == SMC_SERV)
- smc_lgr_schedule_free_work_fast(lgr);
- } else {
- smc_lgr_forget(lgr);
- smc_llc_link_deleting(link);
- if (lgr->role == SMC_SERV) {
- /* client asks to delete this link, send request */
- smc_llc_prep_delete_link(llc, link, SMC_LLC_REQ, true);
- } else {
- /* server requests to delete this link, send response */
- smc_llc_prep_delete_link(llc, link, SMC_LLC_RESP, true);
+ lnk_asym = smc_llc_find_asym_link(lgr);
+ if (!lnk_asym)
+ return; /* no asymmetric link */
+ if (!smc_link_downing(&lnk_asym->state))
+ return;
+ lnk_new = smc_switch_conns(lgr, lnk_asym, false);
+ smc_wr_tx_wait_no_pending_sends(lnk_asym);
+ if (!lnk_new)
+ goto out_free;
+ /* change flow type from ADD_LINK into DEL_LINK */
+ lgr->llc_flow_lcl.type = SMC_LLC_FLOW_DEL_LINK;
+ rc = smc_llc_send_delete_link(lnk_new, lnk_asym->link_id, SMC_LLC_REQ,
+ true, SMC_LLC_DEL_NO_ASYM_NEEDED);
+ if (rc) {
+ smcr_link_down_cond(lnk_new);
+ goto out_free;
+ }
+ qentry = smc_llc_wait(lgr, lnk_new, SMC_LLC_WAIT_TIME,
+ SMC_LLC_DELETE_LINK);
+ if (!qentry) {
+ smcr_link_down_cond(lnk_new);
+ goto out_free;
+ }
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+out_free:
+ smcr_link_clear(lnk_asym, true);
+}
+
+static int smc_llc_srv_rkey_exchange(struct smc_link *link,
+ struct smc_link *link_new)
+{
+ struct smc_llc_msg_add_link_cont *addc_llc;
+ struct smc_link_group *lgr = link->lgr;
+ u8 max, num_rkeys_send, num_rkeys_recv;
+ struct smc_llc_qentry *qentry = NULL;
+ struct smc_buf_desc *buf_pos;
+ int buf_lst;
+ int rc = 0;
+ int i;
+
+ mutex_lock(&lgr->rmbs_lock);
+ num_rkeys_send = lgr->conns_num;
+ buf_pos = smc_llc_get_first_rmb(lgr, &buf_lst);
+ do {
+ smc_llc_add_link_cont(link, link_new, &num_rkeys_send,
+ &buf_lst, &buf_pos);
+ qentry = smc_llc_wait(lgr, link, SMC_LLC_WAIT_TIME,
+ SMC_LLC_ADD_LINK_CONT);
+ if (!qentry) {
+ rc = -ETIMEDOUT;
+ goto out;
}
- smc_llc_send_message(link, llc, sizeof(*llc));
- smc_lgr_terminate_sched(lgr);
+ addc_llc = &qentry->msg.add_link_cont;
+ num_rkeys_recv = addc_llc->num_rkeys;
+ max = min_t(u8, num_rkeys_recv, SMC_LLC_RKEYS_PER_CONT_MSG);
+ for (i = 0; i < max; i++) {
+ smc_rtoken_set(lgr, link->link_idx, link_new->link_idx,
+ addc_llc->rt[i].rmb_key,
+ addc_llc->rt[i].rmb_vaddr_new,
+ addc_llc->rt[i].rmb_key_new);
+ num_rkeys_recv--;
+ }
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ } while (num_rkeys_send || num_rkeys_recv);
+out:
+ mutex_unlock(&lgr->rmbs_lock);
+ return rc;
+}
+
+static int smc_llc_srv_conf_link(struct smc_link *link,
+ struct smc_link *link_new,
+ enum smc_lgr_type lgr_new_t)
+{
+ struct smc_link_group *lgr = link->lgr;
+ struct smc_llc_qentry *qentry = NULL;
+ int rc;
+
+ /* send CONFIRM LINK request over the RoCE fabric */
+ rc = smc_llc_send_confirm_link(link_new, SMC_LLC_REQ);
+ if (rc)
+ return -ENOLINK;
+ /* receive CONFIRM LINK response over the RoCE fabric */
+ qentry = smc_llc_wait(lgr, link, SMC_LLC_WAIT_FIRST_TIME,
+ SMC_LLC_CONFIRM_LINK);
+ if (!qentry) {
+ /* send DELETE LINK */
+ smc_llc_send_delete_link(link, link_new->link_id, SMC_LLC_REQ,
+ false, SMC_LLC_DEL_LOST_PATH);
+ return -ENOLINK;
}
+ smc_llc_save_peer_uid(qentry);
+ smc_llc_link_active(link_new);
+ if (lgr_new_t == SMC_LGR_ASYMMETRIC_LOCAL ||
+ lgr_new_t == SMC_LGR_ASYMMETRIC_PEER)
+ smcr_lgr_set_type_asym(lgr, lgr_new_t, link_new->link_idx);
+ else
+ smcr_lgr_set_type(lgr, lgr_new_t);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ return 0;
}
-static void smc_llc_rx_test_link(struct smc_link *link,
- struct smc_llc_msg_test_link *llc)
+int smc_llc_srv_add_link(struct smc_link *link)
{
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- if (link->state == SMC_LNK_ACTIVE)
- complete(&link->llc_testlink_resp);
- } else {
- llc->hd.flags |= SMC_LLC_FLAG_RESP;
- smc_llc_send_message(link, llc, sizeof(*llc));
+ enum smc_lgr_type lgr_new_t = SMC_LGR_SYMMETRIC;
+ struct smc_link_group *lgr = link->lgr;
+ struct smc_llc_msg_add_link *add_llc;
+ struct smc_llc_qentry *qentry = NULL;
+ struct smc_link *link_new;
+ struct smc_init_info ini;
+ int lnk_idx, rc = 0;
+
+ /* ignore client add link recommendation, start new flow */
+ ini.vlan_id = lgr->vlan_id;
+ smc_pnet_find_alt_roce(lgr, &ini, link->smcibdev);
+ if (!ini.ib_dev) {
+ lgr_new_t = SMC_LGR_ASYMMETRIC_LOCAL;
+ ini.ib_dev = link->smcibdev;
+ ini.ib_port = link->ibport;
+ }
+ lnk_idx = smc_llc_alloc_alt_link(lgr, lgr_new_t);
+ if (lnk_idx < 0)
+ return 0;
+
+ rc = smcr_link_init(lgr, &lgr->lnk[lnk_idx], lnk_idx, &ini);
+ if (rc)
+ return rc;
+ link_new = &lgr->lnk[lnk_idx];
+ rc = smc_llc_send_add_link(link,
+ link_new->smcibdev->mac[ini.ib_port - 1],
+ link_new->gid, link_new, SMC_LLC_REQ);
+ if (rc)
+ goto out_err;
+ /* receive ADD LINK response over the RoCE fabric */
+ qentry = smc_llc_wait(lgr, link, SMC_LLC_WAIT_TIME, SMC_LLC_ADD_LINK);
+ if (!qentry) {
+ rc = -ETIMEDOUT;
+ goto out_err;
}
+ add_llc = &qentry->msg.add_link;
+ if (add_llc->hd.flags & SMC_LLC_FLAG_ADD_LNK_REJ) {
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ rc = -ENOLINK;
+ goto out_err;
+ }
+ if (lgr->type == SMC_LGR_SINGLE &&
+ (!memcmp(add_llc->sender_gid, link->peer_gid, SMC_GID_SIZE) &&
+ !memcmp(add_llc->sender_mac, link->peer_mac, ETH_ALEN))) {
+ lgr_new_t = SMC_LGR_ASYMMETRIC_PEER;
+ }
+ smc_llc_save_add_link_info(link_new, add_llc);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+
+ rc = smc_ib_ready_link(link_new);
+ if (rc)
+ goto out_err;
+ rc = smcr_buf_map_lgr(link_new);
+ if (rc)
+ goto out_err;
+ rc = smcr_buf_reg_lgr(link_new);
+ if (rc)
+ goto out_err;
+ rc = smc_llc_srv_rkey_exchange(link, link_new);
+ if (rc)
+ goto out_err;
+ rc = smc_llc_srv_conf_link(link, link_new, lgr_new_t);
+ if (rc)
+ goto out_err;
+ return 0;
+out_err:
+ smcr_link_clear(link_new, false);
+ return rc;
}
-static void smc_llc_rx_confirm_rkey(struct smc_link *link,
- struct smc_llc_msg_confirm_rkey *llc)
+static void smc_llc_process_srv_add_link(struct smc_link_group *lgr)
{
+ struct smc_link *link = lgr->llc_flow_lcl.qentry->link;
int rc;
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- link->llc_confirm_rkey_rc = llc->hd.flags &
- SMC_LLC_FLAG_RKEY_NEG;
- complete(&link->llc_confirm_rkey);
- } else {
- rc = smc_rtoken_add(smc_get_lgr(link),
- llc->rtoken[0].rmb_vaddr,
- llc->rtoken[0].rmb_key);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
- /* ignore rtokens for other links, we have only one link */
+ mutex_lock(&lgr->llc_conf_mutex);
+ rc = smc_llc_srv_add_link(link);
+ if (!rc && lgr->type == SMC_LGR_SYMMETRIC) {
+ /* delete any asymmetric link */
+ smc_llc_delete_asym_link(lgr);
+ }
+ mutex_unlock(&lgr->llc_conf_mutex);
+}
+
+/* enqueue a local add_link req to trigger a new add_link flow, only as SERV */
+void smc_llc_srv_add_link_local(struct smc_link *link)
+{
+ struct smc_llc_msg_add_link add_llc = {0};
+
+ add_llc.hd.length = sizeof(add_llc);
+ add_llc.hd.common.type = SMC_LLC_ADD_LINK;
+ /* no dev and port needed, we as server ignore client data anyway */
+ smc_llc_enqueue(link, (union smc_llc_msg *)&add_llc);
+}
+
+/* worker to process an add link message */
+static void smc_llc_add_link_work(struct work_struct *work)
+{
+ struct smc_link_group *lgr = container_of(work, struct smc_link_group,
+ llc_add_link_work);
- llc->hd.flags |= SMC_LLC_FLAG_RESP;
- if (rc < 0)
- llc->hd.flags |= SMC_LLC_FLAG_RKEY_NEG;
- smc_llc_send_message(link, llc, sizeof(*llc));
+ if (list_empty(&lgr->list)) {
+ /* link group is terminating */
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ goto out;
}
+
+ if (lgr->role == SMC_CLNT)
+ smc_llc_process_cli_add_link(lgr);
+ else
+ smc_llc_process_srv_add_link(lgr);
+out:
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl);
}
-static void smc_llc_rx_confirm_rkey_cont(struct smc_link *link,
- struct smc_llc_msg_confirm_rkey_cont *llc)
+/* enqueue a local del_link msg to trigger a new del_link flow,
+ * called only for role SMC_SERV
+ */
+void smc_llc_srv_delete_link_local(struct smc_link *link, u8 del_link_id)
{
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- /* unused as long as we don't send this type of msg */
- } else {
- /* ignore rtokens for other links, we have only one link */
- llc->hd.flags |= SMC_LLC_FLAG_RESP;
- smc_llc_send_message(link, llc, sizeof(*llc));
+ struct smc_llc_msg_del_link del_llc = {0};
+
+ del_llc.hd.length = sizeof(del_llc);
+ del_llc.hd.common.type = SMC_LLC_DELETE_LINK;
+ del_llc.link_num = del_link_id;
+ del_llc.reason = htonl(SMC_LLC_DEL_LOST_PATH);
+ del_llc.hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
+ smc_llc_enqueue(link, (union smc_llc_msg *)&del_llc);
+}
+
+static void smc_llc_process_cli_delete_link(struct smc_link_group *lgr)
+{
+ struct smc_link *lnk_del = NULL, *lnk_asym, *lnk;
+ struct smc_llc_msg_del_link *del_llc;
+ struct smc_llc_qentry *qentry;
+ int active_links;
+ int lnk_idx;
+
+ qentry = smc_llc_flow_qentry_clr(&lgr->llc_flow_lcl);
+ lnk = qentry->link;
+ del_llc = &qentry->msg.delete_link;
+
+ if (del_llc->hd.flags & SMC_LLC_FLAG_DEL_LINK_ALL) {
+ smc_lgr_terminate_sched(lgr);
+ goto out;
+ }
+ mutex_lock(&lgr->llc_conf_mutex);
+ /* delete single link */
+ for (lnk_idx = 0; lnk_idx < SMC_LINKS_PER_LGR_MAX; lnk_idx++) {
+ if (lgr->lnk[lnk_idx].link_id != del_llc->link_num)
+ continue;
+ lnk_del = &lgr->lnk[lnk_idx];
+ break;
+ }
+ del_llc->hd.flags |= SMC_LLC_FLAG_RESP;
+ if (!lnk_del) {
+ /* link was not found */
+ del_llc->reason = htonl(SMC_LLC_DEL_NOLNK);
+ smc_llc_send_message(lnk, &qentry->msg);
+ goto out_unlock;
+ }
+ lnk_asym = smc_llc_find_asym_link(lgr);
+
+ del_llc->reason = 0;
+ smc_llc_send_message(lnk, &qentry->msg); /* response */
+
+ if (smc_link_downing(&lnk_del->state)) {
+ smc_switch_conns(lgr, lnk_del, false);
+ smc_wr_tx_wait_no_pending_sends(lnk_del);
+ }
+ smcr_link_clear(lnk_del, true);
+
+ active_links = smc_llc_active_link_count(lgr);
+ if (lnk_del == lnk_asym) {
+ /* expected deletion of asym link, don't change lgr state */
+ } else if (active_links == 1) {
+ smcr_lgr_set_type(lgr, SMC_LGR_SINGLE);
+ } else if (!active_links) {
+ smcr_lgr_set_type(lgr, SMC_LGR_NONE);
+ smc_lgr_terminate_sched(lgr);
}
+out_unlock:
+ mutex_unlock(&lgr->llc_conf_mutex);
+out:
+ kfree(qentry);
}
-static void smc_llc_rx_delete_rkey(struct smc_link *link,
- struct smc_llc_msg_delete_rkey *llc)
+/* try to send a DELETE LINK ALL request on any active link,
+ * waiting for send completion
+ */
+void smc_llc_send_link_delete_all(struct smc_link_group *lgr, bool ord, u32 rsn)
{
- u8 err_mask = 0;
- int i, max;
+ struct smc_llc_msg_del_link delllc = {0};
+ int i;
+
+ delllc.hd.common.type = SMC_LLC_DELETE_LINK;
+ delllc.hd.length = sizeof(delllc);
+ if (ord)
+ delllc.hd.flags |= SMC_LLC_FLAG_DEL_LINK_ORDERLY;
+ delllc.hd.flags |= SMC_LLC_FLAG_DEL_LINK_ALL;
+ delllc.reason = htonl(rsn);
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (!smc_link_usable(&lgr->lnk[i]))
+ continue;
+ if (!smc_llc_send_message_wait(&lgr->lnk[i], &delllc))
+ break;
+ }
+}
- if (llc->hd.flags & SMC_LLC_FLAG_RESP) {
- link->llc_delete_rkey_rc = llc->hd.flags &
- SMC_LLC_FLAG_RKEY_NEG;
- complete(&link->llc_delete_rkey);
- } else {
- max = min_t(u8, llc->num_rkeys, SMC_LLC_DEL_RKEY_MAX);
- for (i = 0; i < max; i++) {
- if (smc_rtoken_delete(smc_get_lgr(link), llc->rkey[i]))
- err_mask |= 1 << (SMC_LLC_DEL_RKEY_MAX - 1 - i);
+static void smc_llc_process_srv_delete_link(struct smc_link_group *lgr)
+{
+ struct smc_llc_msg_del_link *del_llc;
+ struct smc_link *lnk, *lnk_del;
+ struct smc_llc_qentry *qentry;
+ int active_links;
+ int i;
+
+ mutex_lock(&lgr->llc_conf_mutex);
+ qentry = smc_llc_flow_qentry_clr(&lgr->llc_flow_lcl);
+ lnk = qentry->link;
+ del_llc = &qentry->msg.delete_link;
+
+ if (qentry->msg.delete_link.hd.flags & SMC_LLC_FLAG_DEL_LINK_ALL) {
+ /* delete entire lgr */
+ smc_llc_send_link_delete_all(lgr, true, ntohl(
+ qentry->msg.delete_link.reason));
+ smc_lgr_terminate_sched(lgr);
+ goto out;
+ }
+ /* delete single link */
+ lnk_del = NULL;
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) {
+ if (lgr->lnk[i].link_id == del_llc->link_num) {
+ lnk_del = &lgr->lnk[i];
+ break;
}
+ }
+ if (!lnk_del)
+ goto out; /* asymmetric link already deleted */
- if (err_mask) {
- llc->hd.flags |= SMC_LLC_FLAG_RKEY_NEG;
- llc->err_mask = err_mask;
+ if (smc_link_downing(&lnk_del->state)) {
+ smc_switch_conns(lgr, lnk_del, false);
+ smc_wr_tx_wait_no_pending_sends(lnk_del);
+ }
+ if (!list_empty(&lgr->list)) {
+ /* qentry is either a request from peer (send it back to
+ * initiate the DELETE_LINK processing), or a locally
+ * enqueued DELETE_LINK request (forward it)
+ */
+ if (!smc_llc_send_message(lnk, &qentry->msg)) {
+ struct smc_llc_qentry *qentry2;
+
+ qentry2 = smc_llc_wait(lgr, lnk, SMC_LLC_WAIT_TIME,
+ SMC_LLC_DELETE_LINK);
+ if (qentry2)
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
}
+ }
+ smcr_link_clear(lnk_del, true);
- llc->hd.flags |= SMC_LLC_FLAG_RESP;
- smc_llc_send_message(link, llc, sizeof(*llc));
+ active_links = smc_llc_active_link_count(lgr);
+ if (active_links == 1) {
+ smcr_lgr_set_type(lgr, SMC_LGR_SINGLE);
+ } else if (!active_links) {
+ smcr_lgr_set_type(lgr, SMC_LGR_NONE);
+ smc_lgr_terminate_sched(lgr);
}
+
+ if (lgr->type == SMC_LGR_SINGLE && !list_empty(&lgr->list)) {
+ /* trigger setup of asymm alt link */
+ smc_llc_srv_add_link_local(lnk);
+ }
+out:
+ mutex_unlock(&lgr->llc_conf_mutex);
+ kfree(qentry);
}
-static void smc_llc_rx_handler(struct ib_wc *wc, void *buf)
+static void smc_llc_delete_link_work(struct work_struct *work)
{
- struct smc_link *link = (struct smc_link *)wc->qp->qp_context;
- union smc_llc_msg *llc = buf;
+ struct smc_link_group *lgr = container_of(work, struct smc_link_group,
+ llc_del_link_work);
- if (wc->byte_len < sizeof(*llc))
- return; /* short message */
- if (llc->raw.hdr.length != sizeof(*llc))
- return; /* invalid message */
- if (link->state == SMC_LNK_INACTIVE)
- return; /* link not active, drop msg */
+ if (list_empty(&lgr->list)) {
+ /* link group is terminating */
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ goto out;
+ }
+
+ if (lgr->role == SMC_CLNT)
+ smc_llc_process_cli_delete_link(lgr);
+ else
+ smc_llc_process_srv_delete_link(lgr);
+out:
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl);
+}
+
+/* process a confirm_rkey request from peer, remote flow */
+static void smc_llc_rmt_conf_rkey(struct smc_link_group *lgr)
+{
+ struct smc_llc_msg_confirm_rkey *llc;
+ struct smc_llc_qentry *qentry;
+ struct smc_link *link;
+ int num_entries;
+ int rk_idx;
+ int i;
+
+ qentry = lgr->llc_flow_rmt.qentry;
+ llc = &qentry->msg.confirm_rkey;
+ link = qentry->link;
+
+ num_entries = llc->rtoken[0].num_rkeys;
+ /* first rkey entry is for receiving link */
+ rk_idx = smc_rtoken_add(link,
+ llc->rtoken[0].rmb_vaddr,
+ llc->rtoken[0].rmb_key);
+ if (rk_idx < 0)
+ goto out_err;
+
+ for (i = 1; i <= min_t(u8, num_entries, SMC_LLC_RKEYS_PER_MSG - 1); i++)
+ smc_rtoken_set2(lgr, rk_idx, llc->rtoken[i].link_id,
+ llc->rtoken[i].rmb_vaddr,
+ llc->rtoken[i].rmb_key);
+ /* max links is 3 so there is no need to support conf_rkey_cont msgs */
+ goto out;
+out_err:
+ llc->hd.flags |= SMC_LLC_FLAG_RKEY_NEG;
+ llc->hd.flags |= SMC_LLC_FLAG_RKEY_RETRY;
+out:
+ llc->hd.flags |= SMC_LLC_FLAG_RESP;
+ smc_llc_send_message(link, &qentry->msg);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_rmt);
+}
+
+/* process a delete_rkey request from peer, remote flow */
+static void smc_llc_rmt_delete_rkey(struct smc_link_group *lgr)
+{
+ struct smc_llc_msg_delete_rkey *llc;
+ struct smc_llc_qentry *qentry;
+ struct smc_link *link;
+ u8 err_mask = 0;
+ int i, max;
+
+ qentry = lgr->llc_flow_rmt.qentry;
+ llc = &qentry->msg.delete_rkey;
+ link = qentry->link;
+
+ max = min_t(u8, llc->num_rkeys, SMC_LLC_DEL_RKEY_MAX);
+ for (i = 0; i < max; i++) {
+ if (smc_rtoken_delete(link, llc->rkey[i]))
+ err_mask |= 1 << (SMC_LLC_DEL_RKEY_MAX - 1 - i);
+ }
+ if (err_mask) {
+ llc->hd.flags |= SMC_LLC_FLAG_RKEY_NEG;
+ llc->err_mask = err_mask;
+ }
+ llc->hd.flags |= SMC_LLC_FLAG_RESP;
+ smc_llc_send_message(link, &qentry->msg);
+ smc_llc_flow_qentry_del(&lgr->llc_flow_rmt);
+}
+
+static void smc_llc_protocol_violation(struct smc_link_group *lgr, u8 type)
+{
+ pr_warn_ratelimited("smc: SMC-R lg %*phN LLC protocol violation: "
+ "llc_type %d\n", SMC_LGR_ID_SIZE, &lgr->id, type);
+ smc_llc_set_termination_rsn(lgr, SMC_LLC_DEL_PROT_VIOL);
+ smc_lgr_terminate_sched(lgr);
+}
+
+/* flush the llc event queue */
+static void smc_llc_event_flush(struct smc_link_group *lgr)
+{
+ struct smc_llc_qentry *qentry, *q;
+
+ spin_lock_bh(&lgr->llc_event_q_lock);
+ list_for_each_entry_safe(qentry, q, &lgr->llc_event_q, list) {
+ list_del_init(&qentry->list);
+ kfree(qentry);
+ }
+ spin_unlock_bh(&lgr->llc_event_q_lock);
+}
+
+static void smc_llc_event_handler(struct smc_llc_qentry *qentry)
+{
+ union smc_llc_msg *llc = &qentry->msg;
+ struct smc_link *link = qentry->link;
+ struct smc_link_group *lgr = link->lgr;
+
+ if (!smc_link_usable(link))
+ goto out;
switch (llc->raw.hdr.common.type) {
case SMC_LLC_TEST_LINK:
- smc_llc_rx_test_link(link, &llc->test_link);
- break;
- case SMC_LLC_CONFIRM_LINK:
- smc_llc_rx_confirm_link(link, &llc->confirm_link);
+ llc->test_link.hd.flags |= SMC_LLC_FLAG_RESP;
+ smc_llc_send_message(link, llc);
break;
case SMC_LLC_ADD_LINK:
- smc_llc_rx_add_link(link, &llc->add_link);
+ if (list_empty(&lgr->list))
+ goto out; /* lgr is terminating */
+ if (lgr->role == SMC_CLNT) {
+ if (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_ADD_LINK) {
+ /* a flow is waiting for this message */
+ smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
+ qentry);
+ wake_up_interruptible(&lgr->llc_waiter);
+ } else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
+ qentry)) {
+ schedule_work(&lgr->llc_add_link_work);
+ }
+ } else if (smc_llc_flow_start(&lgr->llc_flow_lcl, qentry)) {
+ /* as smc server, handle client suggestion */
+ schedule_work(&lgr->llc_add_link_work);
+ }
+ return;
+ case SMC_LLC_CONFIRM_LINK:
+ case SMC_LLC_ADD_LINK_CONT:
+ if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
+ /* a flow is waiting for this message */
+ smc_llc_flow_qentry_set(&lgr->llc_flow_lcl, qentry);
+ wake_up_interruptible(&lgr->llc_waiter);
+ return;
+ }
break;
case SMC_LLC_DELETE_LINK:
- smc_llc_rx_delete_link(link, &llc->delete_link);
- break;
+ if (lgr->role == SMC_CLNT) {
+ /* server requests to delete this link, send response */
+ if (lgr->llc_flow_lcl.type != SMC_LLC_FLOW_NONE) {
+ /* DEL LINK REQ during ADD LINK SEQ */
+ smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
+ qentry);
+ wake_up_interruptible(&lgr->llc_waiter);
+ } else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
+ qentry)) {
+ schedule_work(&lgr->llc_del_link_work);
+ }
+ } else {
+ if (lgr->llc_flow_lcl.type == SMC_LLC_FLOW_ADD_LINK &&
+ !lgr->llc_flow_lcl.qentry) {
+ /* DEL LINK REQ during ADD LINK SEQ */
+ smc_llc_flow_qentry_set(&lgr->llc_flow_lcl,
+ qentry);
+ wake_up_interruptible(&lgr->llc_waiter);
+ } else if (smc_llc_flow_start(&lgr->llc_flow_lcl,
+ qentry)) {
+ schedule_work(&lgr->llc_del_link_work);
+ }
+ }
+ return;
case SMC_LLC_CONFIRM_RKEY:
- smc_llc_rx_confirm_rkey(link, &llc->confirm_rkey);
- break;
+ /* new request from remote, assign to remote flow */
+ if (smc_llc_flow_start(&lgr->llc_flow_rmt, qentry)) {
+ /* process here, does not wait for more llc msgs */
+ smc_llc_rmt_conf_rkey(lgr);
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_rmt);
+ }
+ return;
case SMC_LLC_CONFIRM_RKEY_CONT:
- smc_llc_rx_confirm_rkey_cont(link, &llc->confirm_rkey_cont);
+ /* not used because max links is 3, and 3 rkeys fit into
+ * one CONFIRM_RKEY message
+ */
break;
case SMC_LLC_DELETE_RKEY:
- smc_llc_rx_delete_rkey(link, &llc->delete_rkey);
+ /* new request from remote, assign to remote flow */
+ if (smc_llc_flow_start(&lgr->llc_flow_rmt, qentry)) {
+ /* process here, does not wait for more llc msgs */
+ smc_llc_rmt_delete_rkey(lgr);
+ smc_llc_flow_stop(lgr, &lgr->llc_flow_rmt);
+ }
+ return;
+ default:
+ smc_llc_protocol_violation(lgr, llc->raw.hdr.common.type);
break;
}
+out:
+ kfree(qentry);
+}
+
+/* worker to process llc messages on the event queue */
+static void smc_llc_event_work(struct work_struct *work)
+{
+ struct smc_link_group *lgr = container_of(work, struct smc_link_group,
+ llc_event_work);
+ struct smc_llc_qentry *qentry;
+
+ if (!lgr->llc_flow_lcl.type && lgr->delayed_event) {
+ if (smc_link_usable(lgr->delayed_event->link)) {
+ smc_llc_event_handler(lgr->delayed_event);
+ } else {
+ qentry = lgr->delayed_event;
+ lgr->delayed_event = NULL;
+ kfree(qentry);
+ }
+ }
+
+again:
+ spin_lock_bh(&lgr->llc_event_q_lock);
+ if (!list_empty(&lgr->llc_event_q)) {
+ qentry = list_first_entry(&lgr->llc_event_q,
+ struct smc_llc_qentry, list);
+ list_del_init(&qentry->list);
+ spin_unlock_bh(&lgr->llc_event_q_lock);
+ smc_llc_event_handler(qentry);
+ goto again;
+ }
+ spin_unlock_bh(&lgr->llc_event_q_lock);
+}
+
+/* process llc responses in tasklet context */
+static void smc_llc_rx_response(struct smc_link *link,
+ struct smc_llc_qentry *qentry)
+{
+ u8 llc_type = qentry->msg.raw.hdr.common.type;
+
+ switch (llc_type) {
+ case SMC_LLC_TEST_LINK:
+ if (link->state == SMC_LNK_ACTIVE)
+ complete(&link->llc_testlink_resp);
+ break;
+ case SMC_LLC_ADD_LINK:
+ case SMC_LLC_DELETE_LINK:
+ case SMC_LLC_CONFIRM_LINK:
+ case SMC_LLC_ADD_LINK_CONT:
+ case SMC_LLC_CONFIRM_RKEY:
+ case SMC_LLC_DELETE_RKEY:
+ /* assign responses to the local flow, we requested them */
+ smc_llc_flow_qentry_set(&link->lgr->llc_flow_lcl, qentry);
+ wake_up_interruptible(&link->lgr->llc_waiter);
+ return;
+ case SMC_LLC_CONFIRM_RKEY_CONT:
+ /* not used because max links is 3 */
+ break;
+ default:
+ smc_llc_protocol_violation(link->lgr, llc_type);
+ break;
+ }
+ kfree(qentry);
+}
+
+static void smc_llc_enqueue(struct smc_link *link, union smc_llc_msg *llc)
+{
+ struct smc_link_group *lgr = link->lgr;
+ struct smc_llc_qentry *qentry;
+ unsigned long flags;
+
+ qentry = kmalloc(sizeof(*qentry), GFP_ATOMIC);
+ if (!qentry)
+ return;
+ qentry->link = link;
+ INIT_LIST_HEAD(&qentry->list);
+ memcpy(&qentry->msg, llc, sizeof(union smc_llc_msg));
+
+ /* process responses immediately */
+ if (llc->raw.hdr.flags & SMC_LLC_FLAG_RESP) {
+ smc_llc_rx_response(link, qentry);
+ return;
+ }
+
+ /* add requests to event queue */
+ spin_lock_irqsave(&lgr->llc_event_q_lock, flags);
+ list_add_tail(&qentry->list, &lgr->llc_event_q);
+ spin_unlock_irqrestore(&lgr->llc_event_q_lock, flags);
+ schedule_work(&link->lgr->llc_event_work);
+}
+
+/* copy received msg and add it to the event queue */
+static void smc_llc_rx_handler(struct ib_wc *wc, void *buf)
+{
+ struct smc_link *link = (struct smc_link *)wc->qp->qp_context;
+ union smc_llc_msg *llc = buf;
+
+ if (wc->byte_len < sizeof(*llc))
+ return; /* short message */
+ if (llc->raw.hdr.length != sizeof(*llc))
+ return; /* invalid message */
+
+ smc_llc_enqueue(link, llc);
}
/***************************** worker, utils *********************************/
@@ -613,112 +1656,162 @@ static void smc_llc_testlink_work(struct work_struct *work)
/* receive TEST LINK response over RoCE fabric */
rc = wait_for_completion_interruptible_timeout(&link->llc_testlink_resp,
SMC_LLC_WAIT_TIME);
+ if (link->state != SMC_LNK_ACTIVE)
+ return; /* link state changed */
if (rc <= 0) {
- smc_lgr_terminate_sched(smc_get_lgr(link));
+ smcr_link_down_cond_sched(link);
return;
}
next_interval = link->llc_testlink_time;
out:
- queue_delayed_work(link->llc_wq, &link->llc_testlink_wrk,
- next_interval);
+ schedule_delayed_work(&link->llc_testlink_wrk, next_interval);
}
-int smc_llc_link_init(struct smc_link *link)
+void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc)
{
- struct smc_link_group *lgr = smc_get_lgr(link);
- link->llc_wq = alloc_ordered_workqueue("llc_wq-%x:%x)", WQ_MEM_RECLAIM,
- *((u32 *)lgr->id),
- link->link_id);
- if (!link->llc_wq)
- return -ENOMEM;
- init_completion(&link->llc_confirm);
- init_completion(&link->llc_confirm_resp);
- init_completion(&link->llc_add);
- init_completion(&link->llc_add_resp);
- init_completion(&link->llc_confirm_rkey);
- init_completion(&link->llc_delete_rkey);
- mutex_init(&link->llc_delete_rkey_mutex);
- init_completion(&link->llc_testlink_resp);
- INIT_DELAYED_WORK(&link->llc_testlink_wrk, smc_llc_testlink_work);
- return 0;
+ struct net *net = sock_net(smc->clcsock->sk);
+
+ INIT_WORK(&lgr->llc_event_work, smc_llc_event_work);
+ INIT_WORK(&lgr->llc_add_link_work, smc_llc_add_link_work);
+ INIT_WORK(&lgr->llc_del_link_work, smc_llc_delete_link_work);
+ INIT_LIST_HEAD(&lgr->llc_event_q);
+ spin_lock_init(&lgr->llc_event_q_lock);
+ spin_lock_init(&lgr->llc_flow_lock);
+ init_waitqueue_head(&lgr->llc_waiter);
+ mutex_init(&lgr->llc_conf_mutex);
+ lgr->llc_testlink_time = net->ipv4.sysctl_tcp_keepalive_time;
}
-void smc_llc_link_active(struct smc_link *link, int testlink_time)
+/* called after lgr was removed from lgr_list */
+void smc_llc_lgr_clear(struct smc_link_group *lgr)
{
- link->state = SMC_LNK_ACTIVE;
- if (testlink_time) {
- link->llc_testlink_time = testlink_time * HZ;
- queue_delayed_work(link->llc_wq, &link->llc_testlink_wrk,
- link->llc_testlink_time);
+ smc_llc_event_flush(lgr);
+ wake_up_interruptible_all(&lgr->llc_waiter);
+ cancel_work_sync(&lgr->llc_event_work);
+ cancel_work_sync(&lgr->llc_add_link_work);
+ cancel_work_sync(&lgr->llc_del_link_work);
+ if (lgr->delayed_event) {
+ kfree(lgr->delayed_event);
+ lgr->delayed_event = NULL;
}
}
-void smc_llc_link_deleting(struct smc_link *link)
+int smc_llc_link_init(struct smc_link *link)
{
- link->state = SMC_LNK_DELETING;
- smc_wr_wakeup_tx_wait(link);
+ init_completion(&link->llc_testlink_resp);
+ INIT_DELAYED_WORK(&link->llc_testlink_wrk, smc_llc_testlink_work);
+ return 0;
}
-/* called in tasklet context */
-void smc_llc_link_inactive(struct smc_link *link)
+void smc_llc_link_active(struct smc_link *link)
{
- link->state = SMC_LNK_INACTIVE;
- cancel_delayed_work(&link->llc_testlink_wrk);
- smc_wr_wakeup_reg_wait(link);
- smc_wr_wakeup_tx_wait(link);
+ pr_warn_ratelimited("smc: SMC-R lg %*phN link added: id %*phN, "
+ "peerid %*phN, ibdev %s, ibport %d\n",
+ SMC_LGR_ID_SIZE, &link->lgr->id,
+ SMC_LGR_ID_SIZE, &link->link_uid,
+ SMC_LGR_ID_SIZE, &link->peer_link_uid,
+ link->smcibdev->ibdev->name, link->ibport);
+ link->state = SMC_LNK_ACTIVE;
+ if (link->lgr->llc_testlink_time) {
+ link->llc_testlink_time = link->lgr->llc_testlink_time * HZ;
+ schedule_delayed_work(&link->llc_testlink_wrk,
+ link->llc_testlink_time);
+ }
}
/* called in worker context */
-void smc_llc_link_clear(struct smc_link *link)
+void smc_llc_link_clear(struct smc_link *link, bool log)
{
- flush_workqueue(link->llc_wq);
- destroy_workqueue(link->llc_wq);
+ if (log)
+ pr_warn_ratelimited("smc: SMC-R lg %*phN link removed: id %*phN"
+ ", peerid %*phN, ibdev %s, ibport %d\n",
+ SMC_LGR_ID_SIZE, &link->lgr->id,
+ SMC_LGR_ID_SIZE, &link->link_uid,
+ SMC_LGR_ID_SIZE, &link->peer_link_uid,
+ link->smcibdev->ibdev->name, link->ibport);
+ complete(&link->llc_testlink_resp);
+ cancel_delayed_work_sync(&link->llc_testlink_wrk);
+ smc_wr_wakeup_reg_wait(link);
+ smc_wr_wakeup_tx_wait(link);
}
-/* register a new rtoken at the remote peer */
-int smc_llc_do_confirm_rkey(struct smc_link *link,
+/* register a new rtoken at the remote peer (for all links) */
+int smc_llc_do_confirm_rkey(struct smc_link *send_link,
struct smc_buf_desc *rmb_desc)
{
- int rc;
+ struct smc_link_group *lgr = send_link->lgr;
+ struct smc_llc_qentry *qentry = NULL;
+ int rc = 0;
- /* protected by mutex smc_create_lgr_pending */
- reinit_completion(&link->llc_confirm_rkey);
- rc = smc_llc_send_confirm_rkey(link, rmb_desc);
+ rc = smc_llc_send_confirm_rkey(send_link, rmb_desc);
if (rc)
- return rc;
+ goto out;
/* receive CONFIRM RKEY response from server over RoCE fabric */
- rc = wait_for_completion_interruptible_timeout(&link->llc_confirm_rkey,
- SMC_LLC_WAIT_TIME);
- if (rc <= 0 || link->llc_confirm_rkey_rc)
- return -EFAULT;
- return 0;
+ qentry = smc_llc_wait(lgr, send_link, SMC_LLC_WAIT_TIME,
+ SMC_LLC_CONFIRM_RKEY);
+ if (!qentry || (qentry->msg.raw.hdr.flags & SMC_LLC_FLAG_RKEY_NEG))
+ rc = -EFAULT;
+out:
+ if (qentry)
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
+ return rc;
}
/* unregister an rtoken at the remote peer */
-int smc_llc_do_delete_rkey(struct smc_link *link,
+int smc_llc_do_delete_rkey(struct smc_link_group *lgr,
struct smc_buf_desc *rmb_desc)
{
+ struct smc_llc_qentry *qentry = NULL;
+ struct smc_link *send_link;
int rc = 0;
- mutex_lock(&link->llc_delete_rkey_mutex);
- if (link->state != SMC_LNK_ACTIVE)
- goto out;
- reinit_completion(&link->llc_delete_rkey);
- rc = smc_llc_send_delete_rkey(link, rmb_desc);
+ send_link = smc_llc_usable_link(lgr);
+ if (!send_link)
+ return -ENOLINK;
+
+ /* protected by llc_flow control */
+ rc = smc_llc_send_delete_rkey(send_link, rmb_desc);
if (rc)
goto out;
/* receive DELETE RKEY response from server over RoCE fabric */
- rc = wait_for_completion_interruptible_timeout(&link->llc_delete_rkey,
- SMC_LLC_WAIT_TIME);
- if (rc <= 0 || link->llc_delete_rkey_rc)
+ qentry = smc_llc_wait(lgr, send_link, SMC_LLC_WAIT_TIME,
+ SMC_LLC_DELETE_RKEY);
+ if (!qentry || (qentry->msg.raw.hdr.flags & SMC_LLC_FLAG_RKEY_NEG))
rc = -EFAULT;
- else
- rc = 0;
out:
- mutex_unlock(&link->llc_delete_rkey_mutex);
+ if (qentry)
+ smc_llc_flow_qentry_del(&lgr->llc_flow_lcl);
return rc;
}
+void smc_llc_link_set_uid(struct smc_link *link)
+{
+ __be32 link_uid;
+
+ link_uid = htonl(*((u32 *)link->lgr->id) + link->link_id);
+ memcpy(link->link_uid, &link_uid, SMC_LGR_ID_SIZE);
+}
+
+/* save peers link user id, used for debug purposes */
+void smc_llc_save_peer_uid(struct smc_llc_qentry *qentry)
+{
+ memcpy(qentry->link->peer_link_uid, qentry->msg.confirm_link.link_uid,
+ SMC_LGR_ID_SIZE);
+}
+
+/* evaluate confirm link request or response */
+int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry,
+ enum smc_llc_reqresp type)
+{
+ if (type == SMC_LLC_REQ) { /* SMC server assigns link_id */
+ qentry->link->link_id = qentry->msg.confirm_link.link_num;
+ smc_llc_link_set_uid(qentry->link);
+ }
+ if (!(qentry->msg.raw.hdr.flags & SMC_LLC_FLAG_NO_RMBE_EYEC))
+ return -ENOTSUPP;
+ return 0;
+}
+
/***************************** init, exit, misc ******************************/
static struct smc_wr_rx_handler smc_llc_rx_handlers[] = {
@@ -736,6 +1829,10 @@ static struct smc_wr_rx_handler smc_llc_rx_handlers[] = {
},
{
.handler = smc_llc_rx_handler,
+ .type = SMC_LLC_ADD_LINK_CONT
+ },
+ {
+ .handler = smc_llc_rx_handler,
.type = SMC_LLC_DELETE_LINK
},
{
diff --git a/net/smc/smc_llc.h b/net/smc/smc_llc.h
index 461c0c3ef76e..a5d2fe3eea61 100644
--- a/net/smc/smc_llc.h
+++ b/net/smc/smc_llc.h
@@ -28,6 +28,7 @@ enum smc_llc_reqresp {
enum smc_llc_msg_type {
SMC_LLC_CONFIRM_LINK = 0x01,
SMC_LLC_ADD_LINK = 0x02,
+ SMC_LLC_ADD_LINK_CONT = 0x03,
SMC_LLC_DELETE_LINK = 0x04,
SMC_LLC_CONFIRM_RKEY = 0x06,
SMC_LLC_TEST_LINK = 0x07,
@@ -35,22 +36,74 @@ enum smc_llc_msg_type {
SMC_LLC_DELETE_RKEY = 0x09,
};
+#define smc_link_downing(state) \
+ (cmpxchg(state, SMC_LNK_ACTIVE, SMC_LNK_INACTIVE) == SMC_LNK_ACTIVE)
+
+/* LLC DELETE LINK Request Reason Codes */
+#define SMC_LLC_DEL_LOST_PATH 0x00010000
+#define SMC_LLC_DEL_OP_INIT_TERM 0x00020000
+#define SMC_LLC_DEL_PROG_INIT_TERM 0x00030000
+#define SMC_LLC_DEL_PROT_VIOL 0x00040000
+#define SMC_LLC_DEL_NO_ASYM_NEEDED 0x00050000
+/* LLC DELETE LINK Response Reason Codes */
+#define SMC_LLC_DEL_NOLNK 0x00100000 /* Unknown Link ID (no link) */
+#define SMC_LLC_DEL_NOLGR 0x00200000 /* Unknown Link Group */
+
+/* returns a usable link of the link group, or NULL */
+static inline struct smc_link *smc_llc_usable_link(struct smc_link_group *lgr)
+{
+ int i;
+
+ for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++)
+ if (smc_link_usable(&lgr->lnk[i]))
+ return &lgr->lnk[i];
+ return NULL;
+}
+
+/* set the termination reason code for the link group */
+static inline void smc_llc_set_termination_rsn(struct smc_link_group *lgr,
+ u32 rsn)
+{
+ if (!lgr->llc_termination_rsn)
+ lgr->llc_termination_rsn = rsn;
+}
+
/* transmit */
int smc_llc_send_confirm_link(struct smc_link *lnk,
enum smc_llc_reqresp reqresp);
int smc_llc_send_add_link(struct smc_link *link, u8 mac[], u8 gid[],
+ struct smc_link *link_new,
enum smc_llc_reqresp reqresp);
-int smc_llc_send_delete_link(struct smc_link *link,
- enum smc_llc_reqresp reqresp, bool orderly);
+int smc_llc_send_delete_link(struct smc_link *link, u8 link_del_id,
+ enum smc_llc_reqresp reqresp, bool orderly,
+ u32 reason);
+void smc_llc_srv_delete_link_local(struct smc_link *link, u8 del_link_id);
+void smc_llc_lgr_init(struct smc_link_group *lgr, struct smc_sock *smc);
+void smc_llc_lgr_clear(struct smc_link_group *lgr);
int smc_llc_link_init(struct smc_link *link);
-void smc_llc_link_active(struct smc_link *link, int testlink_time);
-void smc_llc_link_deleting(struct smc_link *link);
-void smc_llc_link_inactive(struct smc_link *link);
-void smc_llc_link_clear(struct smc_link *link);
-int smc_llc_do_confirm_rkey(struct smc_link *link,
+void smc_llc_link_active(struct smc_link *link);
+void smc_llc_link_clear(struct smc_link *link, bool log);
+int smc_llc_do_confirm_rkey(struct smc_link *send_link,
struct smc_buf_desc *rmb_desc);
-int smc_llc_do_delete_rkey(struct smc_link *link,
+int smc_llc_do_delete_rkey(struct smc_link_group *lgr,
struct smc_buf_desc *rmb_desc);
+int smc_llc_flow_initiate(struct smc_link_group *lgr,
+ enum smc_llc_flowtype type);
+void smc_llc_flow_stop(struct smc_link_group *lgr, struct smc_llc_flow *flow);
+int smc_llc_eval_conf_link(struct smc_llc_qentry *qentry,
+ enum smc_llc_reqresp type);
+void smc_llc_link_set_uid(struct smc_link *link);
+void smc_llc_save_peer_uid(struct smc_llc_qentry *qentry);
+struct smc_llc_qentry *smc_llc_wait(struct smc_link_group *lgr,
+ struct smc_link *lnk,
+ int time_out, u8 exp_msg);
+struct smc_llc_qentry *smc_llc_flow_qentry_clr(struct smc_llc_flow *flow);
+void smc_llc_flow_qentry_del(struct smc_llc_flow *flow);
+void smc_llc_send_link_delete_all(struct smc_link_group *lgr, bool ord,
+ u32 rsn);
+int smc_llc_cli_add_link(struct smc_link *link, struct smc_llc_qentry *qentry);
+int smc_llc_srv_add_link(struct smc_link *link);
+void smc_llc_srv_add_link_local(struct smc_link *link);
int smc_llc_init(void) __init;
#endif /* SMC_LLC_H */
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 2a5ed47c3e08..014d91b9778e 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -32,7 +32,7 @@
static struct net_device *pnet_find_base_ndev(struct net_device *ndev);
-static struct nla_policy smc_pnet_policy[SMC_PNETID_MAX + 1] = {
+static const struct nla_policy smc_pnet_policy[SMC_PNETID_MAX + 1] = {
[SMC_PNETID_NAME] = {
.type = NLA_NUL_STRING,
.len = SMC_MAX_PNETID_LEN
@@ -50,29 +50,26 @@ static struct nla_policy smc_pnet_policy[SMC_PNETID_MAX + 1] = {
static struct genl_family smc_pnet_nl_family;
-/**
- * struct smc_user_pnetentry - pnet identifier name entry for/from user
- * @list: List node.
- * @pnet_name: Pnet identifier name
- * @ndev: pointer to network device.
- * @smcibdev: Pointer to IB device.
- * @ib_port: Port of IB device.
- * @smcd_dev: Pointer to smcd device.
- */
-struct smc_user_pnetentry {
- struct list_head list;
- char pnet_name[SMC_MAX_PNETID_LEN + 1];
- struct net_device *ndev;
- struct smc_ib_device *smcibdev;
- u8 ib_port;
- struct smcd_dev *smcd_dev;
+enum smc_pnet_nametype {
+ SMC_PNET_ETH = 1,
+ SMC_PNET_IB = 2,
};
/* pnet entry stored in pnet table */
struct smc_pnetentry {
struct list_head list;
char pnet_name[SMC_MAX_PNETID_LEN + 1];
- struct net_device *ndev;
+ enum smc_pnet_nametype type;
+ union {
+ struct {
+ char eth_name[IFNAMSIZ + 1];
+ struct net_device *ndev;
+ };
+ struct {
+ char ib_name[IB_DEVICE_NAME_MAX + 1];
+ u8 ib_port;
+ };
+ };
};
/* Check if two given pnetids match */
@@ -106,14 +103,21 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
sn = net_generic(net, smc_net_id);
pnettable = &sn->pnettable;
- /* remove netdevices */
+ /* remove table entry */
write_lock(&pnettable->lock);
list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist,
list) {
if (!pnet_name ||
smc_pnet_match(pnetelem->pnet_name, pnet_name)) {
list_del(&pnetelem->list);
- dev_put(pnetelem->ndev);
+ if (pnetelem->type == SMC_PNET_ETH && pnetelem->ndev) {
+ dev_put(pnetelem->ndev);
+ pr_warn_ratelimited("smc: net device %s "
+ "erased user defined "
+ "pnetid %.16s\n",
+ pnetelem->eth_name,
+ pnetelem->pnet_name);
+ }
kfree(pnetelem);
rc = 0;
}
@@ -132,6 +136,12 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
(!pnet_name ||
smc_pnet_match(pnet_name,
ibdev->pnetid[ibport]))) {
+ pr_warn_ratelimited("smc: ib device %s ibport "
+ "%d erased user defined "
+ "pnetid %.16s\n",
+ ibdev->ibdev->name,
+ ibport + 1,
+ ibdev->pnetid[ibport]);
memset(ibdev->pnetid[ibport], 0,
SMC_MAX_PNETID_LEN);
ibdev->pnetid_by_user[ibport] = false;
@@ -146,6 +156,10 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
if (smcd_dev->pnetid_by_user &&
(!pnet_name ||
smc_pnet_match(pnet_name, smcd_dev->pnetid))) {
+ pr_warn_ratelimited("smc: smcd device %s "
+ "erased user defined pnetid "
+ "%.16s\n", dev_name(&smcd_dev->dev),
+ smcd_dev->pnetid);
memset(smcd_dev->pnetid, 0, SMC_MAX_PNETID_LEN);
smcd_dev->pnetid_by_user = false;
rc = 0;
@@ -155,9 +169,9 @@ static int smc_pnet_remove_by_pnetid(struct net *net, char *pnet_name)
return rc;
}
-/* Remove a pnet entry mentioning a given network device from the pnet table.
+/* Add the reference to a given network device to the pnet table.
*/
-static int smc_pnet_remove_by_ndev(struct net_device *ndev)
+static int smc_pnet_add_by_ndev(struct net_device *ndev)
{
struct smc_pnetentry *pnetelem, *tmp_pe;
struct smc_pnettable *pnettable;
@@ -171,11 +185,15 @@ static int smc_pnet_remove_by_ndev(struct net_device *ndev)
write_lock(&pnettable->lock);
list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist, list) {
- if (pnetelem->ndev == ndev) {
- list_del(&pnetelem->list);
- dev_put(pnetelem->ndev);
- kfree(pnetelem);
+ if (pnetelem->type == SMC_PNET_ETH && !pnetelem->ndev &&
+ !strncmp(pnetelem->eth_name, ndev->name, IFNAMSIZ)) {
+ dev_hold(ndev);
+ pnetelem->ndev = ndev;
rc = 0;
+ pr_warn_ratelimited("smc: adding net device %s with "
+ "user defined pnetid %.16s\n",
+ pnetelem->eth_name,
+ pnetelem->pnet_name);
break;
}
}
@@ -183,80 +201,71 @@ static int smc_pnet_remove_by_ndev(struct net_device *ndev)
return rc;
}
-/* Append a pnetid to the end of the pnet table if not already on this list.
+/* Remove the reference to a given network device from the pnet table.
*/
-static int smc_pnet_enter(struct smc_pnettable *pnettable,
- struct smc_user_pnetentry *new_pnetelem)
+static int smc_pnet_remove_by_ndev(struct net_device *ndev)
{
- u8 pnet_null[SMC_MAX_PNETID_LEN] = {0};
- u8 ndev_pnetid[SMC_MAX_PNETID_LEN];
- struct smc_pnetentry *tmp_pnetelem;
- struct smc_pnetentry *pnetelem;
- bool new_smcddev = false;
- struct net_device *ndev;
- bool new_netdev = true;
- bool new_ibdev = false;
-
- if (new_pnetelem->smcibdev) {
- struct smc_ib_device *ib_dev = new_pnetelem->smcibdev;
- int ib_port = new_pnetelem->ib_port;
+ struct smc_pnetentry *pnetelem, *tmp_pe;
+ struct smc_pnettable *pnettable;
+ struct net *net = dev_net(ndev);
+ struct smc_net *sn;
+ int rc = -ENOENT;
- spin_lock(&smc_ib_devices.lock);
- if (smc_pnet_match(ib_dev->pnetid[ib_port - 1], pnet_null)) {
- memcpy(ib_dev->pnetid[ib_port - 1],
- new_pnetelem->pnet_name, SMC_MAX_PNETID_LEN);
- ib_dev->pnetid_by_user[ib_port - 1] = true;
- new_ibdev = true;
- }
- spin_unlock(&smc_ib_devices.lock);
- }
- if (new_pnetelem->smcd_dev) {
- struct smcd_dev *smcd_dev = new_pnetelem->smcd_dev;
+ /* get pnettable for namespace */
+ sn = net_generic(net, smc_net_id);
+ pnettable = &sn->pnettable;
- spin_lock(&smcd_dev_list.lock);
- if (smc_pnet_match(smcd_dev->pnetid, pnet_null)) {
- memcpy(smcd_dev->pnetid, new_pnetelem->pnet_name,
- SMC_MAX_PNETID_LEN);
- smcd_dev->pnetid_by_user = true;
- new_smcddev = true;
+ write_lock(&pnettable->lock);
+ list_for_each_entry_safe(pnetelem, tmp_pe, &pnettable->pnetlist, list) {
+ if (pnetelem->type == SMC_PNET_ETH && pnetelem->ndev == ndev) {
+ dev_put(pnetelem->ndev);
+ pnetelem->ndev = NULL;
+ rc = 0;
+ pr_warn_ratelimited("smc: removing net device %s with "
+ "user defined pnetid %.16s\n",
+ pnetelem->eth_name,
+ pnetelem->pnet_name);
+ break;
}
- spin_unlock(&smcd_dev_list.lock);
}
+ write_unlock(&pnettable->lock);
+ return rc;
+}
- if (!new_pnetelem->ndev)
- return (new_ibdev || new_smcddev) ? 0 : -EEXIST;
+/* Apply pnetid to ib device when no pnetid is set.
+ */
+static bool smc_pnet_apply_ib(struct smc_ib_device *ib_dev, u8 ib_port,
+ char *pnet_name)
+{
+ u8 pnet_null[SMC_MAX_PNETID_LEN] = {0};
+ bool applied = false;
- /* check if (base) netdev already has a pnetid. If there is one, we do
- * not want to add a pnet table entry
- */
- ndev = pnet_find_base_ndev(new_pnetelem->ndev);
- if (!smc_pnetid_by_dev_port(ndev->dev.parent, ndev->dev_port,
- ndev_pnetid))
- return (new_ibdev || new_smcddev) ? 0 : -EEXIST;
+ spin_lock(&smc_ib_devices.lock);
+ if (smc_pnet_match(ib_dev->pnetid[ib_port - 1], pnet_null)) {
+ memcpy(ib_dev->pnetid[ib_port - 1], pnet_name,
+ SMC_MAX_PNETID_LEN);
+ ib_dev->pnetid_by_user[ib_port - 1] = true;
+ applied = true;
+ }
+ spin_unlock(&smc_ib_devices.lock);
+ return applied;
+}
- /* add a new netdev entry to the pnet table if there isn't one */
- tmp_pnetelem = kzalloc(sizeof(*pnetelem), GFP_KERNEL);
- if (!tmp_pnetelem)
- return -ENOMEM;
- memcpy(tmp_pnetelem->pnet_name, new_pnetelem->pnet_name,
- SMC_MAX_PNETID_LEN);
- tmp_pnetelem->ndev = new_pnetelem->ndev;
+/* Apply pnetid to smcd device when no pnetid is set.
+ */
+static bool smc_pnet_apply_smcd(struct smcd_dev *smcd_dev, char *pnet_name)
+{
+ u8 pnet_null[SMC_MAX_PNETID_LEN] = {0};
+ bool applied = false;
- write_lock(&pnettable->lock);
- list_for_each_entry(pnetelem, &pnettable->pnetlist, list) {
- if (pnetelem->ndev == new_pnetelem->ndev)
- new_netdev = false;
- }
- if (new_netdev) {
- dev_hold(tmp_pnetelem->ndev);
- list_add_tail(&tmp_pnetelem->list, &pnettable->pnetlist);
- write_unlock(&pnettable->lock);
- } else {
- write_unlock(&pnettable->lock);
- kfree(tmp_pnetelem);
+ spin_lock(&smcd_dev_list.lock);
+ if (smc_pnet_match(smcd_dev->pnetid, pnet_null)) {
+ memcpy(smcd_dev->pnetid, pnet_name, SMC_MAX_PNETID_LEN);
+ smcd_dev->pnetid_by_user = true;
+ applied = true;
}
-
- return (new_netdev || new_ibdev || new_smcddev) ? 0 : -EEXIST;
+ spin_unlock(&smcd_dev_list.lock);
+ return applied;
}
/* The limit for pnetid is 16 characters.
@@ -323,57 +332,184 @@ out:
return smcd_dev;
}
-/* Parse the supplied netlink attributes and fill a pnetentry structure.
- * For ethernet and infiniband device names verify that the devices exist.
+static int smc_pnet_add_eth(struct smc_pnettable *pnettable, struct net *net,
+ char *eth_name, char *pnet_name)
+{
+ struct smc_pnetentry *tmp_pe, *new_pe;
+ struct net_device *ndev, *base_ndev;
+ u8 ndev_pnetid[SMC_MAX_PNETID_LEN];
+ bool new_netdev;
+ int rc;
+
+ /* check if (base) netdev already has a pnetid. If there is one, we do
+ * not want to add a pnet table entry
+ */
+ rc = -EEXIST;
+ ndev = dev_get_by_name(net, eth_name); /* dev_hold() */
+ if (ndev) {
+ base_ndev = pnet_find_base_ndev(ndev);
+ if (!smc_pnetid_by_dev_port(base_ndev->dev.parent,
+ base_ndev->dev_port, ndev_pnetid))
+ goto out_put;
+ }
+
+ /* add a new netdev entry to the pnet table if there isn't one */
+ rc = -ENOMEM;
+ new_pe = kzalloc(sizeof(*new_pe), GFP_KERNEL);
+ if (!new_pe)
+ goto out_put;
+ new_pe->type = SMC_PNET_ETH;
+ memcpy(new_pe->pnet_name, pnet_name, SMC_MAX_PNETID_LEN);
+ strncpy(new_pe->eth_name, eth_name, IFNAMSIZ);
+ new_pe->ndev = ndev;
+
+ rc = -EEXIST;
+ new_netdev = true;
+ write_lock(&pnettable->lock);
+ list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
+ if (tmp_pe->type == SMC_PNET_ETH &&
+ !strncmp(tmp_pe->eth_name, eth_name, IFNAMSIZ)) {
+ new_netdev = false;
+ break;
+ }
+ }
+ if (new_netdev) {
+ list_add_tail(&new_pe->list, &pnettable->pnetlist);
+ write_unlock(&pnettable->lock);
+ } else {
+ write_unlock(&pnettable->lock);
+ kfree(new_pe);
+ goto out_put;
+ }
+ if (ndev)
+ pr_warn_ratelimited("smc: net device %s "
+ "applied user defined pnetid %.16s\n",
+ new_pe->eth_name, new_pe->pnet_name);
+ return 0;
+
+out_put:
+ if (ndev)
+ dev_put(ndev);
+ return rc;
+}
+
+static int smc_pnet_add_ib(struct smc_pnettable *pnettable, char *ib_name,
+ u8 ib_port, char *pnet_name)
+{
+ struct smc_pnetentry *tmp_pe, *new_pe;
+ struct smc_ib_device *ib_dev;
+ bool smcddev_applied = true;
+ bool ibdev_applied = true;
+ struct smcd_dev *smcd_dev;
+ bool new_ibdev;
+
+ /* try to apply the pnetid to active devices */
+ ib_dev = smc_pnet_find_ib(ib_name);
+ if (ib_dev) {
+ ibdev_applied = smc_pnet_apply_ib(ib_dev, ib_port, pnet_name);
+ if (ibdev_applied)
+ pr_warn_ratelimited("smc: ib device %s ibport %d "
+ "applied user defined pnetid "
+ "%.16s\n", ib_dev->ibdev->name,
+ ib_port,
+ ib_dev->pnetid[ib_port - 1]);
+ }
+ smcd_dev = smc_pnet_find_smcd(ib_name);
+ if (smcd_dev) {
+ smcddev_applied = smc_pnet_apply_smcd(smcd_dev, pnet_name);
+ if (smcddev_applied)
+ pr_warn_ratelimited("smc: smcd device %s "
+ "applied user defined pnetid "
+ "%.16s\n", dev_name(&smcd_dev->dev),
+ smcd_dev->pnetid);
+ }
+ /* Apply fails when a device has a hardware-defined pnetid set, do not
+ * add a pnet table entry in that case.
+ */
+ if (!ibdev_applied || !smcddev_applied)
+ return -EEXIST;
+
+ /* add a new ib entry to the pnet table if there isn't one */
+ new_pe = kzalloc(sizeof(*new_pe), GFP_KERNEL);
+ if (!new_pe)
+ return -ENOMEM;
+ new_pe->type = SMC_PNET_IB;
+ memcpy(new_pe->pnet_name, pnet_name, SMC_MAX_PNETID_LEN);
+ strncpy(new_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX);
+ new_pe->ib_port = ib_port;
+
+ new_ibdev = true;
+ write_lock(&pnettable->lock);
+ list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
+ if (tmp_pe->type == SMC_PNET_IB &&
+ !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX)) {
+ new_ibdev = false;
+ break;
+ }
+ }
+ if (new_ibdev) {
+ list_add_tail(&new_pe->list, &pnettable->pnetlist);
+ write_unlock(&pnettable->lock);
+ } else {
+ write_unlock(&pnettable->lock);
+ kfree(new_pe);
+ }
+ return (new_ibdev) ? 0 : -EEXIST;
+}
+
+/* Append a pnetid to the end of the pnet table if not already on this list.
*/
-static int smc_pnet_fill_entry(struct net *net,
- struct smc_user_pnetentry *pnetelem,
- struct nlattr *tb[])
+static int smc_pnet_enter(struct net *net, struct nlattr *tb[])
{
- char *string, *ibname;
+ char pnet_name[SMC_MAX_PNETID_LEN + 1];
+ struct smc_pnettable *pnettable;
+ bool new_netdev = false;
+ bool new_ibdev = false;
+ struct smc_net *sn;
+ u8 ibport = 1;
+ char *string;
int rc;
- memset(pnetelem, 0, sizeof(*pnetelem));
- INIT_LIST_HEAD(&pnetelem->list);
+ /* get pnettable for namespace */
+ sn = net_generic(net, smc_net_id);
+ pnettable = &sn->pnettable;
rc = -EINVAL;
if (!tb[SMC_PNETID_NAME])
goto error;
string = (char *)nla_data(tb[SMC_PNETID_NAME]);
- if (!smc_pnetid_valid(string, pnetelem->pnet_name))
+ if (!smc_pnetid_valid(string, pnet_name))
goto error;
- rc = -EINVAL;
if (tb[SMC_PNETID_ETHNAME]) {
string = (char *)nla_data(tb[SMC_PNETID_ETHNAME]);
- pnetelem->ndev = dev_get_by_name(net, string);
- if (!pnetelem->ndev)
+ rc = smc_pnet_add_eth(pnettable, net, string, pnet_name);
+ if (!rc)
+ new_netdev = true;
+ else if (rc != -EEXIST)
goto error;
}
/* if this is not the initial namespace, stop here */
if (net != &init_net)
- return 0;
+ return new_netdev ? 0 : -EEXIST;
rc = -EINVAL;
if (tb[SMC_PNETID_IBNAME]) {
- ibname = (char *)nla_data(tb[SMC_PNETID_IBNAME]);
- ibname = strim(ibname);
- pnetelem->smcibdev = smc_pnet_find_ib(ibname);
- pnetelem->smcd_dev = smc_pnet_find_smcd(ibname);
- if (!pnetelem->smcibdev && !pnetelem->smcd_dev)
- goto error;
- if (pnetelem->smcibdev) {
- if (!tb[SMC_PNETID_IBPORT])
- goto error;
- pnetelem->ib_port = nla_get_u8(tb[SMC_PNETID_IBPORT]);
- if (pnetelem->ib_port < 1 ||
- pnetelem->ib_port > SMC_MAX_PORTS)
+ string = (char *)nla_data(tb[SMC_PNETID_IBNAME]);
+ string = strim(string);
+ if (tb[SMC_PNETID_IBPORT]) {
+ ibport = nla_get_u8(tb[SMC_PNETID_IBPORT]);
+ if (ibport < 1 || ibport > SMC_MAX_PORTS)
goto error;
}
+ rc = smc_pnet_add_ib(pnettable, string, ibport, pnet_name);
+ if (!rc)
+ new_ibdev = true;
+ else if (rc != -EEXIST)
+ goto error;
}
-
- return 0;
+ return (new_netdev || new_ibdev) ? 0 : -EEXIST;
error:
return rc;
@@ -381,28 +517,22 @@ error:
/* Convert an smc_pnetentry to a netlink attribute sequence */
static int smc_pnet_set_nla(struct sk_buff *msg,
- struct smc_user_pnetentry *pnetelem)
+ struct smc_pnetentry *pnetelem)
{
if (nla_put_string(msg, SMC_PNETID_NAME, pnetelem->pnet_name))
return -1;
- if (pnetelem->ndev) {
+ if (pnetelem->type == SMC_PNET_ETH) {
if (nla_put_string(msg, SMC_PNETID_ETHNAME,
- pnetelem->ndev->name))
+ pnetelem->eth_name))
return -1;
} else {
if (nla_put_string(msg, SMC_PNETID_ETHNAME, "n/a"))
return -1;
}
- if (pnetelem->smcibdev) {
- if (nla_put_string(msg, SMC_PNETID_IBNAME,
- dev_name(pnetelem->smcibdev->ibdev->dev.parent)) ||
+ if (pnetelem->type == SMC_PNET_IB) {
+ if (nla_put_string(msg, SMC_PNETID_IBNAME, pnetelem->ib_name) ||
nla_put_u8(msg, SMC_PNETID_IBPORT, pnetelem->ib_port))
return -1;
- } else if (pnetelem->smcd_dev) {
- if (nla_put_string(msg, SMC_PNETID_IBNAME,
- dev_name(&pnetelem->smcd_dev->dev)) ||
- nla_put_u8(msg, SMC_PNETID_IBPORT, 1))
- return -1;
} else {
if (nla_put_string(msg, SMC_PNETID_IBNAME, "n/a") ||
nla_put_u8(msg, SMC_PNETID_IBPORT, 0xff))
@@ -415,21 +545,8 @@ static int smc_pnet_set_nla(struct sk_buff *msg,
static int smc_pnet_add(struct sk_buff *skb, struct genl_info *info)
{
struct net *net = genl_info_net(info);
- struct smc_user_pnetentry pnetelem;
- struct smc_pnettable *pnettable;
- struct smc_net *sn;
- int rc;
-
- /* get pnettable for namespace */
- sn = net_generic(net, smc_net_id);
- pnettable = &sn->pnettable;
- rc = smc_pnet_fill_entry(net, &pnetelem, info->attrs);
- if (!rc)
- rc = smc_pnet_enter(pnettable, &pnetelem);
- if (pnetelem.ndev)
- dev_put(pnetelem.ndev);
- return rc;
+ return smc_pnet_enter(net, info->attrs);
}
static int smc_pnet_del(struct sk_buff *skb, struct genl_info *info)
@@ -450,7 +567,7 @@ static int smc_pnet_dump_start(struct netlink_callback *cb)
static int smc_pnet_dumpinfo(struct sk_buff *skb,
u32 portid, u32 seq, u32 flags,
- struct smc_user_pnetentry *pnetelem)
+ struct smc_pnetentry *pnetelem)
{
void *hdr;
@@ -469,91 +586,32 @@ static int smc_pnet_dumpinfo(struct sk_buff *skb,
static int _smc_pnet_dump(struct net *net, struct sk_buff *skb, u32 portid,
u32 seq, u8 *pnetid, int start_idx)
{
- struct smc_user_pnetentry tmp_entry;
struct smc_pnettable *pnettable;
struct smc_pnetentry *pnetelem;
- struct smc_ib_device *ibdev;
- struct smcd_dev *smcd_dev;
struct smc_net *sn;
int idx = 0;
- int ibport;
/* get pnettable for namespace */
sn = net_generic(net, smc_net_id);
pnettable = &sn->pnettable;
- /* dump netdevices */
+ /* dump pnettable entries */
read_lock(&pnettable->lock);
list_for_each_entry(pnetelem, &pnettable->pnetlist, list) {
if (pnetid && !smc_pnet_match(pnetelem->pnet_name, pnetid))
continue;
if (idx++ < start_idx)
continue;
- memset(&tmp_entry, 0, sizeof(tmp_entry));
- memcpy(&tmp_entry.pnet_name, pnetelem->pnet_name,
- SMC_MAX_PNETID_LEN);
- tmp_entry.ndev = pnetelem->ndev;
+ /* if this is not the initial namespace, dump only netdev */
+ if (net != &init_net && pnetelem->type != SMC_PNET_ETH)
+ continue;
if (smc_pnet_dumpinfo(skb, portid, seq, NLM_F_MULTI,
- &tmp_entry)) {
+ pnetelem)) {
--idx;
break;
}
}
read_unlock(&pnettable->lock);
-
- /* if this is not the initial namespace, stop here */
- if (net != &init_net)
- return idx;
-
- /* dump ib devices */
- spin_lock(&smc_ib_devices.lock);
- list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
- for (ibport = 0; ibport < SMC_MAX_PORTS; ibport++) {
- if (ibdev->pnetid_by_user[ibport]) {
- if (pnetid &&
- !smc_pnet_match(ibdev->pnetid[ibport],
- pnetid))
- continue;
- if (idx++ < start_idx)
- continue;
- memset(&tmp_entry, 0, sizeof(tmp_entry));
- memcpy(&tmp_entry.pnet_name,
- ibdev->pnetid[ibport],
- SMC_MAX_PNETID_LEN);
- tmp_entry.smcibdev = ibdev;
- tmp_entry.ib_port = ibport + 1;
- if (smc_pnet_dumpinfo(skb, portid, seq,
- NLM_F_MULTI,
- &tmp_entry)) {
- --idx;
- break;
- }
- }
- }
- }
- spin_unlock(&smc_ib_devices.lock);
-
- /* dump smcd devices */
- spin_lock(&smcd_dev_list.lock);
- list_for_each_entry(smcd_dev, &smcd_dev_list.list, list) {
- if (smcd_dev->pnetid_by_user) {
- if (pnetid && !smc_pnet_match(smcd_dev->pnetid, pnetid))
- continue;
- if (idx++ < start_idx)
- continue;
- memset(&tmp_entry, 0, sizeof(tmp_entry));
- memcpy(&tmp_entry.pnet_name, smcd_dev->pnetid,
- SMC_MAX_PNETID_LEN);
- tmp_entry.smcd_dev = smcd_dev;
- if (smc_pnet_dumpinfo(skb, portid, seq, NLM_F_MULTI,
- &tmp_entry)) {
- --idx;
- break;
- }
- }
- }
- spin_unlock(&smcd_dev_list.lock);
-
return idx;
}
@@ -659,6 +717,9 @@ static int smc_pnet_netdev_event(struct notifier_block *this,
case NETDEV_UNREGISTER:
smc_pnet_remove_by_ndev(event_dev);
return NOTIFY_OK;
+ case NETDEV_REGISTER:
+ smc_pnet_add_by_ndev(event_dev);
+ return NOTIFY_OK;
default:
return NOTIFY_DONE;
}
@@ -744,7 +805,7 @@ static int smc_pnet_find_ndev_pnetid_by_table(struct net_device *ndev,
read_lock(&pnettable->lock);
list_for_each_entry(pnetelem, &pnettable->pnetlist, list) {
- if (ndev == pnetelem->ndev) {
+ if (pnetelem->type == SMC_PNET_ETH && ndev == pnetelem->ndev) {
/* get pnetid of netdev device */
memcpy(pnetid, pnetelem->pnet_name, SMC_MAX_PNETID_LEN);
rc = 0;
@@ -755,6 +816,45 @@ static int smc_pnet_find_ndev_pnetid_by_table(struct net_device *ndev,
return rc;
}
+/* find a roce device for the given pnetid */
+static void _smc_pnet_find_roce_by_pnetid(u8 *pnet_id,
+ struct smc_init_info *ini,
+ struct smc_ib_device *known_dev)
+{
+ struct smc_ib_device *ibdev;
+ int i;
+
+ ini->ib_dev = NULL;
+ spin_lock(&smc_ib_devices.lock);
+ list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
+ if (ibdev == known_dev)
+ continue;
+ for (i = 1; i <= SMC_MAX_PORTS; i++) {
+ if (!rdma_is_port_valid(ibdev->ibdev, i))
+ continue;
+ if (smc_pnet_match(ibdev->pnetid[i - 1], pnet_id) &&
+ smc_ib_port_active(ibdev, i) &&
+ !test_bit(i - 1, ibdev->ports_going_away) &&
+ !smc_ib_determine_gid(ibdev, i, ini->vlan_id,
+ ini->ib_gid, NULL)) {
+ ini->ib_dev = ibdev;
+ ini->ib_port = i;
+ goto out;
+ }
+ }
+ }
+out:
+ spin_unlock(&smc_ib_devices.lock);
+}
+
+/* find alternate roce device with same pnet_id and vlan_id */
+void smc_pnet_find_alt_roce(struct smc_link_group *lgr,
+ struct smc_init_info *ini,
+ struct smc_ib_device *known_dev)
+{
+ _smc_pnet_find_roce_by_pnetid(lgr->pnet_id, ini, known_dev);
+}
+
/* if handshake network device belongs to a roce device, return its
* IB device and port
*/
@@ -801,8 +901,6 @@ static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev,
struct smc_init_info *ini)
{
u8 ndev_pnetid[SMC_MAX_PNETID_LEN];
- struct smc_ib_device *ibdev;
- int i;
ndev = pnet_find_base_ndev(ndev);
if (smc_pnetid_by_dev_port(ndev->dev.parent, ndev->dev_port,
@@ -811,25 +909,7 @@ static void smc_pnet_find_roce_by_pnetid(struct net_device *ndev,
smc_pnet_find_rdma_dev(ndev, ini);
return; /* pnetid could not be determined */
}
-
- spin_lock(&smc_ib_devices.lock);
- list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
- for (i = 1; i <= SMC_MAX_PORTS; i++) {
- if (!rdma_is_port_valid(ibdev->ibdev, i))
- continue;
- if (smc_pnet_match(ibdev->pnetid[i - 1], ndev_pnetid) &&
- smc_ib_port_active(ibdev, i) &&
- !test_bit(i - 1, ibdev->ports_going_away) &&
- !smc_ib_determine_gid(ibdev, i, ini->vlan_id,
- ini->ib_gid, NULL)) {
- ini->ib_dev = ibdev;
- ini->ib_port = i;
- goto out;
- }
- }
- }
-out:
- spin_unlock(&smc_ib_devices.lock);
+ _smc_pnet_find_roce_by_pnetid(ndev_pnetid, ini, NULL);
}
static void smc_pnet_find_ism_by_pnetid(struct net_device *ndev,
@@ -895,3 +975,60 @@ out_rel:
out:
return;
}
+
+/* Lookup and apply a pnet table entry to the given ib device.
+ */
+int smc_pnetid_by_table_ib(struct smc_ib_device *smcibdev, u8 ib_port)
+{
+ char *ib_name = smcibdev->ibdev->name;
+ struct smc_pnettable *pnettable;
+ struct smc_pnetentry *tmp_pe;
+ struct smc_net *sn;
+ int rc = -ENOENT;
+
+ /* get pnettable for init namespace */
+ sn = net_generic(&init_net, smc_net_id);
+ pnettable = &sn->pnettable;
+
+ read_lock(&pnettable->lock);
+ list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
+ if (tmp_pe->type == SMC_PNET_IB &&
+ !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX) &&
+ tmp_pe->ib_port == ib_port) {
+ smc_pnet_apply_ib(smcibdev, ib_port, tmp_pe->pnet_name);
+ rc = 0;
+ break;
+ }
+ }
+ read_unlock(&pnettable->lock);
+
+ return rc;
+}
+
+/* Lookup and apply a pnet table entry to the given smcd device.
+ */
+int smc_pnetid_by_table_smcd(struct smcd_dev *smcddev)
+{
+ const char *ib_name = dev_name(&smcddev->dev);
+ struct smc_pnettable *pnettable;
+ struct smc_pnetentry *tmp_pe;
+ struct smc_net *sn;
+ int rc = -ENOENT;
+
+ /* get pnettable for init namespace */
+ sn = net_generic(&init_net, smc_net_id);
+ pnettable = &sn->pnettable;
+
+ read_lock(&pnettable->lock);
+ list_for_each_entry(tmp_pe, &pnettable->pnetlist, list) {
+ if (tmp_pe->type == SMC_PNET_IB &&
+ !strncmp(tmp_pe->ib_name, ib_name, IB_DEVICE_NAME_MAX)) {
+ smc_pnet_apply_smcd(smcddev, tmp_pe->pnet_name);
+ rc = 0;
+ break;
+ }
+ }
+ read_unlock(&pnettable->lock);
+
+ return rc;
+}
diff --git a/net/smc/smc_pnet.h b/net/smc/smc_pnet.h
index 4564e4d69c2e..811a65986691 100644
--- a/net/smc/smc_pnet.h
+++ b/net/smc/smc_pnet.h
@@ -19,6 +19,7 @@
struct smc_ib_device;
struct smcd_dev;
struct smc_init_info;
+struct smc_link_group;
/**
* struct smc_pnettable - SMC PNET table anchor
@@ -46,5 +47,9 @@ void smc_pnet_exit(void);
void smc_pnet_net_exit(struct net *net);
void smc_pnet_find_roce_resource(struct sock *sk, struct smc_init_info *ini);
void smc_pnet_find_ism_resource(struct sock *sk, struct smc_init_info *ini);
-
+int smc_pnetid_by_table_ib(struct smc_ib_device *smcibdev, u8 ib_port);
+int smc_pnetid_by_table_smcd(struct smcd_dev *smcd);
+void smc_pnet_find_alt_roce(struct smc_link_group *lgr,
+ struct smc_init_info *ini,
+ struct smc_ib_device *known_dev);
#endif
diff --git a/net/smc/smc_rx.c b/net/smc/smc_rx.c
index 39d7b34d06d2..fcfac59f8b72 100644
--- a/net/smc/smc_rx.c
+++ b/net/smc/smc_rx.c
@@ -129,16 +129,8 @@ out:
sock_put(sk);
}
-static int smc_rx_pipe_buf_nosteal(struct pipe_inode_info *pipe,
- struct pipe_buffer *buf)
-{
- return 1;
-}
-
static const struct pipe_buf_operations smc_pipe_ops = {
- .confirm = generic_pipe_buf_confirm,
.release = smc_rx_pipe_buf_release,
- .steal = smc_rx_pipe_buf_nosteal,
.get = generic_pipe_buf_get
};
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 9f1ade86d70e..54ba0443847e 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -269,22 +269,21 @@ static int smc_tx_rdma_write(struct smc_connection *conn, int peer_rmbe_offset,
int num_sges, struct ib_rdma_wr *rdma_wr)
{
struct smc_link_group *lgr = conn->lgr;
- struct smc_link *link;
+ struct smc_link *link = conn->lnk;
int rc;
- link = &lgr->lnk[SMC_SINGLE_LINK];
rdma_wr->wr.wr_id = smc_wr_tx_get_next_wr_id(link);
rdma_wr->wr.num_sge = num_sges;
rdma_wr->remote_addr =
- lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].dma_addr +
+ lgr->rtokens[conn->rtoken_idx][link->link_idx].dma_addr +
/* RMBE within RMB */
conn->tx_off +
/* offset within RMBE */
peer_rmbe_offset;
- rdma_wr->rkey = lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].rkey;
+ rdma_wr->rkey = lgr->rtokens[conn->rtoken_idx][link->link_idx].rkey;
rc = ib_post_send(link->roce_qp, &rdma_wr->wr, NULL);
if (rc)
- smc_lgr_terminate_sched(lgr);
+ smcr_link_down_cond_sched(link);
return rc;
}
@@ -310,8 +309,10 @@ static int smcr_tx_rdma_writes(struct smc_connection *conn, size_t len,
size_t dst_off, size_t dst_len,
struct smc_rdma_wr *wr_rdma_buf)
{
+ struct smc_link *link = conn->lnk;
+
dma_addr_t dma_addr =
- sg_dma_address(conn->sndbuf_desc->sgt[SMC_SINGLE_LINK].sgl);
+ sg_dma_address(conn->sndbuf_desc->sgt[link->link_idx].sgl);
int src_len_sum = src_len, dst_len_sum = dst_len;
int sent_count = src_off;
int srcchunk, dstchunk;
@@ -481,12 +482,13 @@ static int smc_tx_rdma_writes(struct smc_connection *conn,
static int smcr_tx_sndbuf_nonempty(struct smc_connection *conn)
{
struct smc_cdc_producer_flags *pflags = &conn->local_tx_ctrl.prod_flags;
+ struct smc_link *link = conn->lnk;
struct smc_rdma_wr *wr_rdma_buf;
struct smc_cdc_tx_pend *pend;
struct smc_wr_buf *wr_buf;
int rc;
- rc = smc_cdc_get_free_slot(conn, &wr_buf, &wr_rdma_buf, &pend);
+ rc = smc_cdc_get_free_slot(conn, link, &wr_buf, &wr_rdma_buf, &pend);
if (rc < 0) {
if (rc == -EBUSY) {
struct smc_sock *smc =
@@ -504,10 +506,17 @@ static int smcr_tx_sndbuf_nonempty(struct smc_connection *conn)
}
spin_lock_bh(&conn->send_lock);
+ if (link != conn->lnk) {
+ /* link of connection changed, tx_work will restart */
+ smc_wr_tx_put_slot(link,
+ (struct smc_wr_tx_pend_priv *)pend);
+ rc = -ENOLINK;
+ goto out_unlock;
+ }
if (!pflags->urg_data_present) {
rc = smc_tx_rdma_writes(conn, wr_rdma_buf);
if (rc) {
- smc_wr_tx_put_slot(&conn->lgr->lnk[SMC_SINGLE_LINK],
+ smc_wr_tx_put_slot(link,
(struct smc_wr_tx_pend_priv *)pend);
goto out_unlock;
}
diff --git a/net/smc/smc_wr.c b/net/smc/smc_wr.c
index 337ee52ad3d3..7239ba9b99dc 100644
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -44,6 +44,7 @@ struct smc_wr_tx_pend { /* control data for a pending send request */
struct smc_link *link;
u32 idx;
struct smc_wr_tx_pend_priv priv;
+ u8 compl_requested;
};
/******************************** send queue *********************************/
@@ -61,7 +62,7 @@ static inline bool smc_wr_is_tx_pend(struct smc_link *link)
}
/* wait till all pending tx work requests on the given link are completed */
-static inline int smc_wr_tx_wait_no_pending_sends(struct smc_link *link)
+int smc_wr_tx_wait_no_pending_sends(struct smc_link *link)
{
if (wait_event_timeout(link->wr_tx_wait, !smc_wr_is_tx_pend(link),
SMC_WR_TX_WAIT_PENDING_TIME))
@@ -103,6 +104,8 @@ static inline void smc_wr_tx_process_cqe(struct ib_wc *wc)
if (pnd_snd_idx == link->wr_tx_cnt)
return;
link->wr_tx_pends[pnd_snd_idx].wc_status = wc->status;
+ if (link->wr_tx_pends[pnd_snd_idx].compl_requested)
+ complete(&link->wr_tx_compl[pnd_snd_idx]);
memcpy(&pnd_snd, &link->wr_tx_pends[pnd_snd_idx], sizeof(pnd_snd));
/* clear the full struct smc_wr_tx_pend including .priv */
memset(&link->wr_tx_pends[pnd_snd_idx], 0,
@@ -120,8 +123,8 @@ static inline void smc_wr_tx_process_cqe(struct ib_wc *wc)
sizeof(link->wr_tx_bufs[i]));
clear_bit(i, link->wr_tx_mask);
}
- /* terminate connections of this link group abnormally */
- smc_lgr_terminate_sched(smc_get_lgr(link));
+ /* terminate link */
+ smcr_link_down_cond_sched(link);
}
if (pnd_snd.handler)
pnd_snd.handler(&pnd_snd.priv, link, wc->status);
@@ -207,13 +210,13 @@ int smc_wr_tx_get_free_slot(struct smc_link *link,
} else {
rc = wait_event_interruptible_timeout(
link->wr_tx_wait,
- link->state == SMC_LNK_INACTIVE ||
+ !smc_link_usable(link) ||
lgr->terminating ||
(smc_wr_tx_get_free_slot_index(link, &idx) != -EBUSY),
SMC_WR_TX_WAIT_FREE_SLOT_TIME);
if (!rc) {
- /* timeout - terminate connections */
- smc_lgr_terminate_sched(lgr);
+ /* timeout - terminate link */
+ smcr_link_down_cond_sched(link);
return -EPIPE;
}
if (idx == link->wr_tx_cnt)
@@ -270,11 +273,38 @@ int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv)
rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx], NULL);
if (rc) {
smc_wr_tx_put_slot(link, priv);
- smc_lgr_terminate_sched(smc_get_lgr(link));
+ smcr_link_down_cond_sched(link);
}
return rc;
}
+/* Send prepared WR slot via ib_post_send and wait for send completion
+ * notification.
+ * @priv: pointer to smc_wr_tx_pend_priv identifying prepared message buffer
+ */
+int smc_wr_tx_send_wait(struct smc_link *link, struct smc_wr_tx_pend_priv *priv,
+ unsigned long timeout)
+{
+ struct smc_wr_tx_pend *pend;
+ int rc;
+
+ pend = container_of(priv, struct smc_wr_tx_pend, priv);
+ pend->compl_requested = 1;
+ init_completion(&link->wr_tx_compl[pend->idx]);
+
+ rc = smc_wr_tx_send(link, priv);
+ if (rc)
+ return rc;
+ /* wait for completion by smc_wr_tx_process_cqe() */
+ rc = wait_for_completion_interruptible_timeout(
+ &link->wr_tx_compl[pend->idx], timeout);
+ if (rc <= 0)
+ rc = -ENODATA;
+ if (rc > 0)
+ rc = 0;
+ return rc;
+}
+
/* Register a memory region and wait for result. */
int smc_wr_reg_send(struct smc_link *link, struct ib_mr *mr)
{
@@ -294,8 +324,8 @@ int smc_wr_reg_send(struct smc_link *link, struct ib_mr *mr)
(link->wr_reg_state != POSTED),
SMC_WR_REG_MR_WAIT_TIME);
if (!rc) {
- /* timeout - terminate connections */
- smc_lgr_terminate_sched(smc_get_lgr(link));
+ /* timeout - terminate link */
+ smcr_link_down_cond_sched(link);
return -EPIPE;
}
if (rc == -ERESTARTSYS)
@@ -393,10 +423,7 @@ static inline void smc_wr_rx_process_cqes(struct ib_wc wc[], int num)
case IB_WC_RETRY_EXC_ERR:
case IB_WC_RNR_RETRY_EXC_ERR:
case IB_WC_WR_FLUSH_ERR:
- /* terminate connections of this link group
- * abnormally
- */
- smc_lgr_terminate_sched(smc_get_lgr(link));
+ smcr_link_down_cond_sched(link);
break;
default:
smc_wr_rx_post(link); /* refill WR RX */
@@ -558,6 +585,8 @@ void smc_wr_free_link(struct smc_link *lnk)
void smc_wr_free_link_mem(struct smc_link *lnk)
{
+ kfree(lnk->wr_tx_compl);
+ lnk->wr_tx_compl = NULL;
kfree(lnk->wr_tx_pends);
lnk->wr_tx_pends = NULL;
kfree(lnk->wr_tx_mask);
@@ -628,8 +657,15 @@ int smc_wr_alloc_link_mem(struct smc_link *link)
GFP_KERNEL);
if (!link->wr_tx_pends)
goto no_mem_wr_tx_mask;
+ link->wr_tx_compl = kcalloc(SMC_WR_BUF_CNT,
+ sizeof(link->wr_tx_compl[0]),
+ GFP_KERNEL);
+ if (!link->wr_tx_compl)
+ goto no_mem_wr_tx_pends;
return 0;
+no_mem_wr_tx_pends:
+ kfree(link->wr_tx_pends);
no_mem_wr_tx_mask:
kfree(link->wr_tx_mask);
no_mem_wr_rx_sges:
diff --git a/net/smc/smc_wr.h b/net/smc/smc_wr.h
index 3ac99c898418..423b8709f1c9 100644
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -101,11 +101,14 @@ int smc_wr_tx_put_slot(struct smc_link *link,
struct smc_wr_tx_pend_priv *wr_pend_priv);
int smc_wr_tx_send(struct smc_link *link,
struct smc_wr_tx_pend_priv *wr_pend_priv);
+int smc_wr_tx_send_wait(struct smc_link *link, struct smc_wr_tx_pend_priv *priv,
+ unsigned long timeout);
void smc_wr_tx_cq_handler(struct ib_cq *ib_cq, void *cq_context);
void smc_wr_tx_dismiss_slots(struct smc_link *lnk, u8 wr_rx_hdr_type,
smc_wr_tx_filter filter,
smc_wr_tx_dismisser dismisser,
unsigned long data);
+int smc_wr_tx_wait_no_pending_sends(struct smc_link *link);
int smc_wr_rx_register_handler(struct smc_wr_rx_handler *handler);
int smc_wr_rx_post_init(struct smc_link *link);
diff --git a/net/socket.c b/net/socket.c
index 2dd739fba866..976426d03f09 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -924,14 +924,9 @@ EXPORT_SYMBOL(sock_recvmsg);
int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num, size_t size, int flags)
{
- mm_segment_t oldfs = get_fs();
- int result;
-
+ msg->msg_control_is_user = false;
iov_iter_kvec(&msg->msg_iter, READ, vec, num, size);
- set_fs(KERNEL_DS);
- result = sock_recvmsg(sock, msg, flags);
- set_fs(oldfs);
- return result;
+ return sock_recvmsg(sock, msg, flags);
}
EXPORT_SYMBOL(kernel_recvmsg);
@@ -2239,7 +2234,8 @@ int __copy_msghdr_from_user(struct msghdr *kmsg,
if (copy_from_user(&msg, umsg, sizeof(*umsg)))
return -EFAULT;
- kmsg->msg_control = (void __force *)msg.msg_control;
+ kmsg->msg_control_is_user = true;
+ kmsg->msg_control_user = msg.msg_control;
kmsg->msg_controllen = msg.msg_controllen;
kmsg->msg_flags = msg.msg_flags;
@@ -2331,16 +2327,10 @@ static int ____sys_sendmsg(struct socket *sock, struct msghdr *msg_sys,
goto out;
}
err = -EFAULT;
- /*
- * Careful! Before this, msg_sys->msg_control contains a user pointer.
- * Afterwards, it will be a kernel pointer. Thus the compiler-assisted
- * checking falls down on this.
- */
- if (copy_from_user(ctl_buf,
- (void __user __force *)msg_sys->msg_control,
- ctl_len))
+ if (copy_from_user(ctl_buf, msg_sys->msg_control_user, ctl_len))
goto out_freectl;
msg_sys->msg_control = ctl_buf;
+ msg_sys->msg_control_is_user = false;
}
msg_sys->msg_flags = flags;
@@ -3376,94 +3366,6 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
return err;
}
-struct rtentry32 {
- u32 rt_pad1;
- struct sockaddr rt_dst; /* target address */
- struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
- struct sockaddr rt_genmask; /* target network mask (IP) */
- unsigned short rt_flags;
- short rt_pad2;
- u32 rt_pad3;
- unsigned char rt_tos;
- unsigned char rt_class;
- short rt_pad4;
- short rt_metric; /* +1 for binary compatibility! */
- /* char * */ u32 rt_dev; /* forcing the device at add */
- u32 rt_mtu; /* per route MTU/Window */
- u32 rt_window; /* Window clamping */
- unsigned short rt_irtt; /* Initial RTT */
-};
-
-struct in6_rtmsg32 {
- struct in6_addr rtmsg_dst;
- struct in6_addr rtmsg_src;
- struct in6_addr rtmsg_gateway;
- u32 rtmsg_type;
- u16 rtmsg_dst_len;
- u16 rtmsg_src_len;
- u32 rtmsg_metric;
- u32 rtmsg_info;
- u32 rtmsg_flags;
- s32 rtmsg_ifindex;
-};
-
-static int routing_ioctl(struct net *net, struct socket *sock,
- unsigned int cmd, void __user *argp)
-{
- int ret;
- void *r = NULL;
- struct in6_rtmsg r6;
- struct rtentry r4;
- char devname[16];
- u32 rtdev;
- mm_segment_t old_fs = get_fs();
-
- if (sock && sock->sk && sock->sk->sk_family == AF_INET6) { /* ipv6 */
- struct in6_rtmsg32 __user *ur6 = argp;
- ret = copy_from_user(&r6.rtmsg_dst, &(ur6->rtmsg_dst),
- 3 * sizeof(struct in6_addr));
- ret |= get_user(r6.rtmsg_type, &(ur6->rtmsg_type));
- ret |= get_user(r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
- ret |= get_user(r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
- ret |= get_user(r6.rtmsg_metric, &(ur6->rtmsg_metric));
- ret |= get_user(r6.rtmsg_info, &(ur6->rtmsg_info));
- ret |= get_user(r6.rtmsg_flags, &(ur6->rtmsg_flags));
- ret |= get_user(r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
-
- r = (void *) &r6;
- } else { /* ipv4 */
- struct rtentry32 __user *ur4 = argp;
- ret = copy_from_user(&r4.rt_dst, &(ur4->rt_dst),
- 3 * sizeof(struct sockaddr));
- ret |= get_user(r4.rt_flags, &(ur4->rt_flags));
- ret |= get_user(r4.rt_metric, &(ur4->rt_metric));
- ret |= get_user(r4.rt_mtu, &(ur4->rt_mtu));
- ret |= get_user(r4.rt_window, &(ur4->rt_window));
- ret |= get_user(r4.rt_irtt, &(ur4->rt_irtt));
- ret |= get_user(rtdev, &(ur4->rt_dev));
- if (rtdev) {
- ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
- r4.rt_dev = (char __user __force *)devname;
- devname[15] = 0;
- } else
- r4.rt_dev = NULL;
-
- r = (void *) &r4;
- }
-
- if (ret) {
- ret = -EFAULT;
- goto out;
- }
-
- set_fs(KERNEL_DS);
- ret = sock_do_ioctl(net, sock, cmd, (unsigned long) r);
- set_fs(old_fs);
-
-out:
- return ret;
-}
-
/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
* for some operations; this forces use of the newer bridge-utils that
* use compatible ioctls
@@ -3502,9 +3404,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
case SIOCGIFMAP:
case SIOCSIFMAP:
return compat_sioc_ifmap(net, cmd, argp);
- case SIOCADDRT:
- case SIOCDELRT:
- return routing_ioctl(net, sock, cmd, argp);
case SIOCGSTAMP_OLD:
case SIOCGSTAMPNS_OLD:
if (!sock->ops->gettstamp)
@@ -3726,71 +3625,6 @@ int kernel_getpeername(struct socket *sock, struct sockaddr *addr)
EXPORT_SYMBOL(kernel_getpeername);
/**
- * kernel_getsockopt - get a socket option (kernel space)
- * @sock: socket
- * @level: API level (SOL_SOCKET, ...)
- * @optname: option tag
- * @optval: option value
- * @optlen: option length
- *
- * Assigns the option length to @optlen.
- * Returns 0 or an error.
- */
-
-int kernel_getsockopt(struct socket *sock, int level, int optname,
- char *optval, int *optlen)
-{
- mm_segment_t oldfs = get_fs();
- char __user *uoptval;
- int __user *uoptlen;
- int err;
-
- uoptval = (char __user __force *) optval;
- uoptlen = (int __user __force *) optlen;
-
- set_fs(KERNEL_DS);
- if (level == SOL_SOCKET)
- err = sock_getsockopt(sock, level, optname, uoptval, uoptlen);
- else
- err = sock->ops->getsockopt(sock, level, optname, uoptval,
- uoptlen);
- set_fs(oldfs);
- return err;
-}
-EXPORT_SYMBOL(kernel_getsockopt);
-
-/**
- * kernel_setsockopt - set a socket option (kernel space)
- * @sock: socket
- * @level: API level (SOL_SOCKET, ...)
- * @optname: option tag
- * @optval: option value
- * @optlen: option length
- *
- * Returns 0 or an error.
- */
-
-int kernel_setsockopt(struct socket *sock, int level, int optname,
- char *optval, unsigned int optlen)
-{
- mm_segment_t oldfs = get_fs();
- char __user *uoptval;
- int err;
-
- uoptval = (char __user __force *) optval;
-
- set_fs(KERNEL_DS);
- if (level == SOL_SOCKET)
- err = sock_setsockopt(sock, level, optname, uoptval, optlen);
- else
- err = sock->ops->setsockopt(sock, level, optname, uoptval,
- optlen);
- set_fs(oldfs);
- return err;
-}
-EXPORT_SYMBOL(kernel_setsockopt);
-
-/**
* kernel_sendpage - send a &page through a socket (kernel space)
* @sock: socket
* @page: page
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 25fbd8d9de74..ac5cac0dd24b 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -2032,7 +2032,6 @@ gss_unwrap_resp_priv(struct rpc_task *task, struct rpc_cred *cred,
struct xdr_buf *rcv_buf = &rqstp->rq_rcv_buf;
struct kvec *head = rqstp->rq_rcv_buf.head;
struct rpc_auth *auth = cred->cr_auth;
- unsigned int savedlen = rcv_buf->len;
u32 offset, opaque_len, maj_stat;
__be32 *p;
@@ -2043,9 +2042,9 @@ gss_unwrap_resp_priv(struct rpc_task *task, struct rpc_cred *cred,
offset = (u8 *)(p) - (u8 *)head->iov_base;
if (offset + opaque_len > rcv_buf->len)
goto unwrap_failed;
- rcv_buf->len = offset + opaque_len;
- maj_stat = gss_unwrap(ctx->gc_gss_ctx, offset, rcv_buf);
+ maj_stat = gss_unwrap(ctx->gc_gss_ctx, offset,
+ offset + opaque_len, rcv_buf);
if (maj_stat == GSS_S_CONTEXT_EXPIRED)
clear_bit(RPCAUTH_CRED_UPTODATE, &cred->cr_flags);
if (maj_stat != GSS_S_COMPLETE)
@@ -2059,10 +2058,9 @@ gss_unwrap_resp_priv(struct rpc_task *task, struct rpc_cred *cred,
*/
xdr_init_decode(xdr, rcv_buf, p, rqstp);
- auth->au_rslack = auth->au_verfsize + 2 +
- XDR_QUADLEN(savedlen - rcv_buf->len);
- auth->au_ralign = auth->au_verfsize + 2 +
- XDR_QUADLEN(savedlen - rcv_buf->len);
+ auth->au_rslack = auth->au_verfsize + 2 + ctx->gc_gss_ctx->slack;
+ auth->au_ralign = auth->au_verfsize + 2 + ctx->gc_gss_ctx->align;
+
return 0;
unwrap_failed:
trace_rpcgss_unwrap_failed(task);
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c
index 6f2d30d7b766..e7180da1fc6a 100644
--- a/net/sunrpc/auth_gss/gss_krb5_crypto.c
+++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c
@@ -851,8 +851,8 @@ out_err:
}
u32
-gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf,
- u32 *headskip, u32 *tailskip)
+gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, u32 len,
+ struct xdr_buf *buf, u32 *headskip, u32 *tailskip)
{
struct xdr_buf subbuf;
u32 ret = 0;
@@ -881,7 +881,7 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf,
/* create a segment skipping the header and leaving out the checksum */
xdr_buf_subsegment(buf, &subbuf, offset + GSS_KRB5_TOK_HDR_LEN,
- (buf->len - offset - GSS_KRB5_TOK_HDR_LEN -
+ (len - offset - GSS_KRB5_TOK_HDR_LEN -
kctx->gk5e->cksumlength));
nblocks = (subbuf.len + blocksize - 1) / blocksize;
@@ -926,7 +926,7 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf,
goto out_err;
/* Get the packet's hmac value */
- ret = read_bytes_from_xdr_buf(buf, buf->len - kctx->gk5e->cksumlength,
+ ret = read_bytes_from_xdr_buf(buf, len - kctx->gk5e->cksumlength,
pkt_hmac, kctx->gk5e->cksumlength);
if (ret)
goto out_err;
diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c
index 6c1920eed771..cf0fd170ac18 100644
--- a/net/sunrpc/auth_gss/gss_krb5_wrap.c
+++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c
@@ -261,7 +261,9 @@ gss_wrap_kerberos_v1(struct krb5_ctx *kctx, int offset,
}
static u32
-gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
+gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, int len,
+ struct xdr_buf *buf, unsigned int *slack,
+ unsigned int *align)
{
int signalg;
int sealalg;
@@ -279,12 +281,13 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
u32 conflen = kctx->gk5e->conflen;
int crypt_offset;
u8 *cksumkey;
+ unsigned int saved_len = buf->len;
dprintk("RPC: gss_unwrap_kerberos\n");
ptr = (u8 *)buf->head[0].iov_base + offset;
if (g_verify_token_header(&kctx->mech_used, &bodysize, &ptr,
- buf->len - offset))
+ len - offset))
return GSS_S_DEFECTIVE_TOKEN;
if ((ptr[0] != ((KG_TOK_WRAP_MSG >> 8) & 0xff)) ||
@@ -324,6 +327,7 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
(!kctx->initiate && direction != 0))
return GSS_S_BAD_SIG;
+ buf->len = len;
if (kctx->enctype == ENCTYPE_ARCFOUR_HMAC) {
struct crypto_sync_skcipher *cipher;
int err;
@@ -376,11 +380,15 @@ gss_unwrap_kerberos_v1(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
data_len = (buf->head[0].iov_base + buf->head[0].iov_len) - data_start;
memmove(orig_start, data_start, data_len);
buf->head[0].iov_len -= (data_start - orig_start);
- buf->len -= (data_start - orig_start);
+ buf->len = len - (data_start - orig_start);
if (gss_krb5_remove_padding(buf, blocksize))
return GSS_S_DEFECTIVE_TOKEN;
+ /* slack must include room for krb5 padding */
+ *slack = XDR_QUADLEN(saved_len - buf->len);
+ /* The GSS blob always precedes the RPC message payload */
+ *align = *slack;
return GSS_S_COMPLETE;
}
@@ -486,7 +494,9 @@ gss_wrap_kerberos_v2(struct krb5_ctx *kctx, u32 offset,
}
static u32
-gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
+gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, int len,
+ struct xdr_buf *buf, unsigned int *slack,
+ unsigned int *align)
{
time64_t now;
u8 *ptr;
@@ -532,7 +542,7 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
if (rrc != 0)
rotate_left(offset + 16, buf, rrc);
- err = (*kctx->gk5e->decrypt_v2)(kctx, offset, buf,
+ err = (*kctx->gk5e->decrypt_v2)(kctx, offset, len, buf,
&headskip, &tailskip);
if (err)
return GSS_S_FAILURE;
@@ -542,7 +552,7 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
* it against the original
*/
err = read_bytes_from_xdr_buf(buf,
- buf->len - GSS_KRB5_TOK_HDR_LEN - tailskip,
+ len - GSS_KRB5_TOK_HDR_LEN - tailskip,
decrypted_hdr, GSS_KRB5_TOK_HDR_LEN);
if (err) {
dprintk("%s: error %u getting decrypted_hdr\n", __func__, err);
@@ -568,18 +578,19 @@ gss_unwrap_kerberos_v2(struct krb5_ctx *kctx, int offset, struct xdr_buf *buf)
* Note that buf->head[0].iov_len may indicate the available
* head buffer space rather than that actually occupied.
*/
- movelen = min_t(unsigned int, buf->head[0].iov_len, buf->len);
+ movelen = min_t(unsigned int, buf->head[0].iov_len, len);
movelen -= offset + GSS_KRB5_TOK_HDR_LEN + headskip;
- if (offset + GSS_KRB5_TOK_HDR_LEN + headskip + movelen >
- buf->head[0].iov_len)
- return GSS_S_FAILURE;
+ BUG_ON(offset + GSS_KRB5_TOK_HDR_LEN + headskip + movelen >
+ buf->head[0].iov_len);
memmove(ptr, ptr + GSS_KRB5_TOK_HDR_LEN + headskip, movelen);
buf->head[0].iov_len -= GSS_KRB5_TOK_HDR_LEN + headskip;
- buf->len -= GSS_KRB5_TOK_HDR_LEN + headskip;
+ buf->len = len - GSS_KRB5_TOK_HDR_LEN + headskip;
/* Trim off the trailing "extra count" and checksum blob */
- buf->len -= ec + GSS_KRB5_TOK_HDR_LEN + tailskip;
+ xdr_buf_trim(buf, ec + GSS_KRB5_TOK_HDR_LEN + tailskip);
+ *align = XDR_QUADLEN(GSS_KRB5_TOK_HDR_LEN + headskip);
+ *slack = *align + XDR_QUADLEN(ec + GSS_KRB5_TOK_HDR_LEN + tailskip);
return GSS_S_COMPLETE;
}
@@ -603,7 +614,8 @@ gss_wrap_kerberos(struct gss_ctx *gctx, int offset,
}
u32
-gss_unwrap_kerberos(struct gss_ctx *gctx, int offset, struct xdr_buf *buf)
+gss_unwrap_kerberos(struct gss_ctx *gctx, int offset,
+ int len, struct xdr_buf *buf)
{
struct krb5_ctx *kctx = gctx->internal_ctx_id;
@@ -613,9 +625,11 @@ gss_unwrap_kerberos(struct gss_ctx *gctx, int offset, struct xdr_buf *buf)
case ENCTYPE_DES_CBC_RAW:
case ENCTYPE_DES3_CBC_RAW:
case ENCTYPE_ARCFOUR_HMAC:
- return gss_unwrap_kerberos_v1(kctx, offset, buf);
+ return gss_unwrap_kerberos_v1(kctx, offset, len, buf,
+ &gctx->slack, &gctx->align);
case ENCTYPE_AES128_CTS_HMAC_SHA1_96:
case ENCTYPE_AES256_CTS_HMAC_SHA1_96:
- return gss_unwrap_kerberos_v2(kctx, offset, buf);
+ return gss_unwrap_kerberos_v2(kctx, offset, len, buf,
+ &gctx->slack, &gctx->align);
}
}
diff --git a/net/sunrpc/auth_gss/gss_mech_switch.c b/net/sunrpc/auth_gss/gss_mech_switch.c
index db550bfc2642..69316ab1b9fa 100644
--- a/net/sunrpc/auth_gss/gss_mech_switch.c
+++ b/net/sunrpc/auth_gss/gss_mech_switch.c
@@ -411,10 +411,11 @@ gss_wrap(struct gss_ctx *ctx_id,
u32
gss_unwrap(struct gss_ctx *ctx_id,
int offset,
+ int len,
struct xdr_buf *buf)
{
return ctx_id->mech_type->gm_ops
- ->gss_unwrap(ctx_id, offset, buf);
+ ->gss_unwrap(ctx_id, offset, len, buf);
}
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 54ae5be62f6a..50d93c49ef1a 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -906,7 +906,7 @@ unwrap_integ_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct g
if (svc_getnl(&buf->head[0]) != seq)
goto out;
/* trim off the mic and padding at the end before returning */
- buf->len -= 4 + round_up_to_quad(mic.len);
+ xdr_buf_trim(buf, round_up_to_quad(mic.len) + 4);
stat = 0;
out:
kfree(mic.data);
@@ -934,7 +934,7 @@ static int
unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gss_ctx *ctx)
{
u32 priv_len, maj_stat;
- int pad, saved_len, remaining_len, offset;
+ int pad, remaining_len, offset;
clear_bit(RQ_SPLICE_OK, &rqstp->rq_flags);
@@ -954,12 +954,8 @@ unwrap_priv_data(struct svc_rqst *rqstp, struct xdr_buf *buf, u32 seq, struct gs
buf->len -= pad;
fix_priv_head(buf, pad);
- /* Maybe it would be better to give gss_unwrap a length parameter: */
- saved_len = buf->len;
- buf->len = priv_len;
- maj_stat = gss_unwrap(ctx, 0, buf);
+ maj_stat = gss_unwrap(ctx, 0, priv_len, buf);
pad = priv_len - buf->len;
- buf->len = saved_len;
buf->len -= pad;
/* The upper layers assume the buffer is aligned on 4-byte boundaries.
* In the krb5p case, at least, the data ends up offset, so we need to
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index af0ddd28b081..baef5ee43dbb 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -529,7 +529,6 @@ void cache_purge(struct cache_detail *detail)
{
struct cache_head *ch = NULL;
struct hlist_head *head = NULL;
- struct hlist_node *tmp = NULL;
int i = 0;
spin_lock(&detail->hash_lock);
@@ -541,7 +540,9 @@ void cache_purge(struct cache_detail *detail)
dprintk("RPC: %d entries in %s cache\n", detail->entries, detail->name);
for (i = 0; i < detail->hash_size; i++) {
head = &detail->hash_table[i];
- hlist_for_each_entry_safe(ch, tmp, head, cache_list) {
+ while (!hlist_empty(head)) {
+ ch = hlist_entry(head->first, struct cache_head,
+ cache_list);
sunrpc_begin_cache_remove_entry(ch, detail);
spin_unlock(&detail->hash_lock);
sunrpc_end_cache_remove_entry(ch, detail);
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 325a0858700f..61b21dafd7c0 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -880,6 +880,22 @@ EXPORT_SYMBOL_GPL(rpc_shutdown_client);
/*
* Free an RPC client
*/
+static void rpc_free_client_work(struct work_struct *work)
+{
+ struct rpc_clnt *clnt = container_of(work, struct rpc_clnt, cl_work);
+
+ /* These might block on processes that might allocate memory,
+ * so they cannot be called in rpciod, so they are handled separately
+ * here.
+ */
+ rpc_clnt_debugfs_unregister(clnt);
+ rpc_free_clid(clnt);
+ rpc_clnt_remove_pipedir(clnt);
+ xprt_put(rcu_dereference_raw(clnt->cl_xprt));
+
+ kfree(clnt);
+ rpciod_down();
+}
static struct rpc_clnt *
rpc_free_client(struct rpc_clnt *clnt)
{
@@ -890,17 +906,14 @@ rpc_free_client(struct rpc_clnt *clnt)
rcu_dereference(clnt->cl_xprt)->servername);
if (clnt->cl_parent != clnt)
parent = clnt->cl_parent;
- rpc_clnt_debugfs_unregister(clnt);
- rpc_clnt_remove_pipedir(clnt);
rpc_unregister_client(clnt);
rpc_free_iostats(clnt->cl_metrics);
clnt->cl_metrics = NULL;
- xprt_put(rcu_dereference_raw(clnt->cl_xprt));
xprt_iter_destroy(&clnt->cl_xpi);
- rpciod_down();
put_cred(clnt->cl_cred);
- rpc_free_clid(clnt);
- kfree(clnt);
+
+ INIT_WORK(&clnt->cl_work, rpc_free_client_work);
+ schedule_work(&clnt->cl_work);
return parent;
}
@@ -2420,6 +2433,11 @@ rpc_check_timeout(struct rpc_task *task)
{
struct rpc_clnt *clnt = task->tk_client;
+ if (RPC_SIGNALLED(task)) {
+ rpc_call_rpcerror(task, -ERESTARTSYS);
+ return;
+ }
+
if (xprt_adjust_timeout(task->tk_rqstp) == 0)
return;
@@ -2808,8 +2826,7 @@ int rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
task = rpc_call_null_helper(clnt, xprt, NULL,
RPC_TASK_SOFT|RPC_TASK_SOFTCONN|RPC_TASK_ASYNC|RPC_TASK_NULLCREDS,
&rpc_cb_add_xprt_call_ops, data);
- if (IS_ERR(task))
- return PTR_ERR(task);
+
rpc_put_task(task);
success:
return 1;
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index e27e3532ec75..2284ff038dad 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -908,9 +908,6 @@ int svc_send(struct svc_rqst *rqstp)
if (!xprt)
goto out;
- /* release the receive skb before sending the reply */
- xprt->xpt_ops->xpo_release_rqst(rqstp);
-
/* calculate over-all length */
xb = &rqstp->rq_res;
xb->len = xb->head[0].iov_len +
@@ -1040,6 +1037,8 @@ static void svc_delete_xprt(struct svc_xprt *xprt)
dprintk("svc: svc_delete_xprt(%p)\n", xprt);
xprt->xpt_ops->xpo_detach(xprt);
+ if (xprt->xpt_bc_xprt)
+ xprt->xpt_bc_xprt->ops->close(xprt->xpt_bc_xprt);
spin_lock_bh(&serv->sv_lock);
list_del_init(&xprt->xpt_list);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 519cf9c4f8fd..e7a0037d9b56 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -323,17 +323,9 @@ static int svc_tcp_has_wspace(struct svc_xprt *xprt)
static void svc_tcp_kill_temp_xprt(struct svc_xprt *xprt)
{
- struct svc_sock *svsk;
- struct socket *sock;
- struct linger no_linger = {
- .l_onoff = 1,
- .l_linger = 0,
- };
+ struct svc_sock *svsk = container_of(xprt, struct svc_sock, sk_xprt);
- svsk = container_of(xprt, struct svc_sock, sk_xprt);
- sock = svsk->sk_sock;
- kernel_setsockopt(sock, SOL_SOCKET, SO_LINGER,
- (char *)&no_linger, sizeof(no_linger));
+ sock_no_linger(svsk->sk_sock->sk);
}
/*
@@ -527,6 +519,8 @@ static int svc_udp_sendto(struct svc_rqst *rqstp)
unsigned int uninitialized_var(sent);
int err;
+ svc_release_udp_skb(rqstp);
+
svc_set_cmsg_data(rqstp, cmh);
err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, 0, &sent);
@@ -601,8 +595,6 @@ static struct svc_xprt_class svc_udp_class = {
static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
{
- int err, level, optname, one = 1;
-
svc_xprt_init(sock_net(svsk->sk_sock->sk), &svc_udp_class,
&svsk->sk_xprt, serv);
clear_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags);
@@ -622,19 +614,14 @@ static void svc_udp_init(struct svc_sock *svsk, struct svc_serv *serv)
/* make sure we get destination address info */
switch (svsk->sk_sk->sk_family) {
case AF_INET:
- level = SOL_IP;
- optname = IP_PKTINFO;
+ ip_sock_set_pktinfo(svsk->sk_sock->sk);
break;
case AF_INET6:
- level = SOL_IPV6;
- optname = IPV6_RECVPKTINFO;
+ ip6_sock_set_recvpktinfo(svsk->sk_sock->sk);
break;
default:
BUG();
}
- err = kernel_setsockopt(svsk->sk_sock, level, optname,
- (char *)&one, sizeof(one));
- dprintk("svc: kernel_setsockopt returned %d\n", err);
}
/*
@@ -1076,6 +1063,8 @@ static int svc_tcp_sendto(struct svc_rqst *rqstp)
unsigned int uninitialized_var(sent);
int err;
+ svc_release_skb(rqstp);
+
err = xprt_sock_sendmsg(svsk->sk_sock, &msg, xdr, 0, marker, &sent);
xdr_free_bvec(xdr);
if (err < 0 || sent != (xdr->len + sizeof(marker)))
@@ -1333,7 +1322,6 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
struct sockaddr *newsin = (struct sockaddr *)&addr;
int newlen;
int family;
- int val;
RPC_IFDEBUG(char buf[RPC_MAX_ADDRBUFLEN]);
dprintk("svc: svc_create_socket(%s, %d, %s)\n",
@@ -1369,11 +1357,8 @@ static struct svc_xprt *svc_create_socket(struct svc_serv *serv,
* getting requests from IPv4 remotes. Those should
* be shunted to a PF_INET listener via rpcbind.
*/
- val = 1;
if (family == PF_INET6)
- kernel_setsockopt(sock, SOL_IPV6, IPV6_V6ONLY,
- (char *)&val, sizeof(val));
-
+ ip6_sock_set_v6only(sock->sk);
if (type == SOCK_STREAM)
sock->sk->sk_reuse = SK_CAN_REUSE; /* allow address reuse */
error = kernel_bind(sock, sin, len);
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index d75f17b56f0e..999eee1ed61c 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -60,7 +60,7 @@ rpc_unregister_sysctl(void)
}
static int proc_do_xprt(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
char tmpbuf[256];
size_t len;
@@ -70,15 +70,15 @@ static int proc_do_xprt(struct ctl_table *table, int write,
return 0;
}
len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
- return simple_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
+ return memory_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
}
static int
-proc_dodebug(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+proc_dodebug(struct ctl_table *table, int write, void *buffer, size_t *lenp,
+ loff_t *ppos)
{
- char tmpbuf[20], c, *s = NULL;
- char __user *p;
+ char tmpbuf[20], *s = NULL;
+ char *p;
unsigned int value;
size_t left, len;
@@ -90,18 +90,17 @@ proc_dodebug(struct ctl_table *table, int write,
left = *lenp;
if (write) {
- if (!access_ok(buffer, left))
- return -EFAULT;
p = buffer;
- while (left && __get_user(c, p) >= 0 && isspace(c))
- left--, p++;
+ while (left && isspace(*p)) {
+ left--;
+ p++;
+ }
if (!left)
goto done;
if (left > sizeof(tmpbuf) - 1)
return -EINVAL;
- if (copy_from_user(tmpbuf, p, left))
- return -EFAULT;
+ memcpy(tmpbuf, p, left);
tmpbuf[left] = '\0';
value = simple_strtol(tmpbuf, &s, 0);
@@ -121,11 +120,9 @@ proc_dodebug(struct ctl_table *table, int write,
len = sprintf(tmpbuf, "0x%04x", *(unsigned int *) table->data);
if (len > left)
len = left;
- if (copy_to_user(buffer, tmpbuf, len))
- return -EFAULT;
+ memcpy(buffer, tmpbuf, len);
if ((left -= len) > 0) {
- if (put_user('\n', (char __user *)buffer + len))
- return -EFAULT;
+ *((char *)buffer + len) = '\n';
left--;
}
}
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 15b58c5144f9..6f7d82fb1eb0 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -1150,6 +1150,47 @@ xdr_buf_subsegment(struct xdr_buf *buf, struct xdr_buf *subbuf,
}
EXPORT_SYMBOL_GPL(xdr_buf_subsegment);
+/**
+ * xdr_buf_trim - lop at most "len" bytes off the end of "buf"
+ * @buf: buf to be trimmed
+ * @len: number of bytes to reduce "buf" by
+ *
+ * Trim an xdr_buf by the given number of bytes by fixing up the lengths. Note
+ * that it's possible that we'll trim less than that amount if the xdr_buf is
+ * too small, or if (for instance) it's all in the head and the parser has
+ * already read too far into it.
+ */
+void xdr_buf_trim(struct xdr_buf *buf, unsigned int len)
+{
+ size_t cur;
+ unsigned int trim = len;
+
+ if (buf->tail[0].iov_len) {
+ cur = min_t(size_t, buf->tail[0].iov_len, trim);
+ buf->tail[0].iov_len -= cur;
+ trim -= cur;
+ if (!trim)
+ goto fix_len;
+ }
+
+ if (buf->page_len) {
+ cur = min_t(unsigned int, buf->page_len, trim);
+ buf->page_len -= cur;
+ trim -= cur;
+ if (!trim)
+ goto fix_len;
+ }
+
+ if (buf->head[0].iov_len) {
+ cur = min_t(size_t, buf->head[0].iov_len, trim);
+ buf->head[0].iov_len -= cur;
+ trim -= cur;
+ }
+fix_len:
+ buf->len -= (len - trim);
+}
+EXPORT_SYMBOL_GPL(xdr_buf_trim);
+
static void __read_bytes_from_xdr_buf(struct xdr_buf *subbuf, void *obj, unsigned int len)
{
unsigned int this_len;
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 4a81e6995d3e..3c627dc685cc 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -388,7 +388,9 @@ static int rpcrdma_encode_read_list(struct rpcrdma_xprt *r_xprt,
} while (nsegs);
done:
- return xdr_stream_encode_item_absent(xdr);
+ if (xdr_stream_encode_item_absent(xdr) < 0)
+ return -EMSGSIZE;
+ return 0;
}
/* Register and XDR encode the Write list. Supports encoding a list
@@ -454,7 +456,9 @@ static int rpcrdma_encode_write_list(struct rpcrdma_xprt *r_xprt,
*segcount = cpu_to_be32(nchunks);
done:
- return xdr_stream_encode_item_absent(xdr);
+ if (xdr_stream_encode_item_absent(xdr) < 0)
+ return -EMSGSIZE;
+ return 0;
}
/* Register and XDR encode the Reply chunk. Supports encoding an array
@@ -480,8 +484,11 @@ static int rpcrdma_encode_reply_chunk(struct rpcrdma_xprt *r_xprt,
int nsegs, nchunks;
__be32 *segcount;
- if (wtype != rpcrdma_replych)
- return xdr_stream_encode_item_absent(xdr);
+ if (wtype != rpcrdma_replych) {
+ if (xdr_stream_encode_item_absent(xdr) < 0)
+ return -EMSGSIZE;
+ return 0;
+ }
seg = req->rl_segments;
nsegs = rpcrdma_convert_iovs(r_xprt, &rqst->rq_rcv_buf, 0, wtype, seg);
diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c
index 97bca509a391..526da5d4710b 100644
--- a/net/sunrpc/xprtrdma/svc_rdma.c
+++ b/net/sunrpc/xprtrdma/svc_rdma.c
@@ -80,8 +80,7 @@ atomic_t rdma_stat_sq_prod;
* current value.
*/
static int read_reset_stat(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp,
- loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
atomic_t *stat = (atomic_t *)table->data;
@@ -103,8 +102,8 @@ static int read_reset_stat(struct ctl_table *table, int write,
len -= *ppos;
if (len > *lenp)
len = *lenp;
- if (len && copy_to_user(buffer, str_buf, len))
- return -EFAULT;
+ if (len)
+ memcpy(buffer, str_buf, len);
*lenp = len;
*ppos += len;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index d510a3a15d4b..af7eb8d202ae 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -244,6 +244,8 @@ static void
xprt_rdma_bc_close(struct rpc_xprt *xprt)
{
dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
+
+ xprt_disconnect_done(xprt);
xprt->cwnd = RPC_CWNDSHIFT;
}
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 54469b72b25f..efa5fcb5793f 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -223,6 +223,26 @@ void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
svc_rdma_recv_ctxt_destroy(rdma, ctxt);
}
+/**
+ * svc_rdma_release_rqst - Release transport-specific per-rqst resources
+ * @rqstp: svc_rqst being released
+ *
+ * Ensure that the recv_ctxt is released whether or not a Reply
+ * was sent. For example, the client could close the connection,
+ * or svc_process could drop an RPC, before the Reply is sent.
+ */
+void svc_rdma_release_rqst(struct svc_rqst *rqstp)
+{
+ struct svc_rdma_recv_ctxt *ctxt = rqstp->rq_xprt_ctxt;
+ struct svc_xprt *xprt = rqstp->rq_xprt;
+ struct svcxprt_rdma *rdma =
+ container_of(xprt, struct svcxprt_rdma, sc_xprt);
+
+ rqstp->rq_xprt_ctxt = NULL;
+ if (ctxt)
+ svc_rdma_recv_ctxt_put(rdma, ctxt);
+}
+
static int __svc_rdma_post_recv(struct svcxprt_rdma *rdma,
struct svc_rdma_recv_ctxt *ctxt)
{
@@ -820,6 +840,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
__be32 *p;
int ret;
+ rqstp->rq_xprt_ctxt = NULL;
+
spin_lock(&rdma_xprt->sc_rq_dto_lock);
ctxt = svc_rdma_next_recv_ctxt(&rdma_xprt->sc_read_complete_q);
if (ctxt) {
diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
index bd7c195d872e..23c2d3ce0dc9 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
@@ -323,8 +323,6 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
if (atomic_sub_return(cc->cc_sqecount,
&rdma->sc_sq_avail) > 0) {
ret = ib_post_send(rdma->sc_qp, first_wr, &bad_wr);
- trace_svcrdma_post_rw(&cc->cc_cqe,
- cc->cc_sqecount, ret);
if (ret)
break;
return 0;
@@ -337,6 +335,7 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
trace_svcrdma_sq_retry(rdma);
} while (1);
+ trace_svcrdma_sq_post_err(rdma, ret);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
/* If even one was posted, there will be a completion. */
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 90cba3058f04..b6c8643867f2 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -322,15 +322,17 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
}
svc_xprt_get(&rdma->sc_xprt);
+ trace_svcrdma_post_send(wr);
ret = ib_post_send(rdma->sc_qp, wr, NULL);
- trace_svcrdma_post_send(wr, ret);
- if (ret) {
- set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
- svc_xprt_put(&rdma->sc_xprt);
- wake_up(&rdma->sc_send_wait);
- }
- break;
+ if (ret)
+ break;
+ return 0;
}
+
+ trace_svcrdma_sq_post_err(rdma, ret);
+ set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+ svc_xprt_put(&rdma->sc_xprt);
+ wake_up(&rdma->sc_send_wait);
return ret;
}
@@ -924,12 +926,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
ret = svc_rdma_send_reply_msg(rdma, sctxt, rctxt, rqstp);
if (ret < 0)
goto err1;
- ret = 0;
-
-out:
- rqstp->rq_xprt_ctxt = NULL;
- svc_rdma_recv_ctxt_put(rdma, rctxt);
- return ret;
+ return 0;
err2:
if (ret != -E2BIG && ret != -EINVAL)
@@ -938,16 +935,14 @@ out:
ret = svc_rdma_send_error_msg(rdma, sctxt, rqstp);
if (ret < 0)
goto err1;
- ret = 0;
- goto out;
+ return 0;
err1:
svc_rdma_send_ctxt_put(rdma, sctxt);
err0:
trace_svcrdma_send_failed(rqstp, ret);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
- ret = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
}
/**
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 8bb99980ae85..ea54785db4f8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -71,7 +71,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
struct sockaddr *sa, int salen,
int flags);
static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt);
-static void svc_rdma_release_rqst(struct svc_rqst *);
static void svc_rdma_detach(struct svc_xprt *xprt);
static void svc_rdma_free(struct svc_xprt *xprt);
static int svc_rdma_has_wspace(struct svc_xprt *xprt);
@@ -552,10 +551,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
return NULL;
}
-static void svc_rdma_release_rqst(struct svc_rqst *rqstp)
-{
-}
-
/*
* When connected, an svc_xprt has at least two references:
*
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index cdd84c09df10..05c4d3a9cda2 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -289,6 +289,7 @@ rpcrdma_cm_event_handler(struct rdma_cm_id *id, struct rdma_cm_event *event)
case RDMA_CM_EVENT_DISCONNECTED:
ep->re_connect_status = -ECONNABORTED;
disconnected:
+ xprt_force_disconnect(xprt);
return rpcrdma_ep_destroy(ep);
default:
break;
@@ -1355,8 +1356,8 @@ int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
--ep->re_send_count;
}
+ trace_xprtrdma_post_send(req);
rc = frwr_send(r_xprt, req);
- trace_xprtrdma_post_send(req, rc);
if (rc)
return -ENOTCONN;
return 0;
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 0bda8a73e8a8..3a143e250b9a 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1594,21 +1594,6 @@ static int xs_get_random_port(void)
return rand + min;
}
-/**
- * xs_set_reuseaddr_port - set the socket's port and address reuse options
- * @sock: socket
- *
- * Note that this function has to be called on all sockets that share the
- * same port, and it must be called before binding.
- */
-static void xs_sock_set_reuseport(struct socket *sock)
-{
- int opt = 1;
-
- kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEPORT,
- (char *)&opt, sizeof(opt));
-}
-
static unsigned short xs_sock_getport(struct socket *sock)
{
struct sockaddr_storage buf;
@@ -1801,7 +1786,7 @@ static struct socket *xs_create_sock(struct rpc_xprt *xprt,
xs_reclassify_socket(family, sock);
if (reuseport)
- xs_sock_set_reuseport(sock);
+ sock_set_reuseport(sock->sk);
err = xs_bind(transport, sock);
if (err) {
@@ -2110,7 +2095,6 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
unsigned int keepidle;
unsigned int keepcnt;
- unsigned int opt_on = 1;
unsigned int timeo;
spin_lock(&xprt->transport_lock);
@@ -2122,18 +2106,13 @@ static void xs_tcp_set_socket_timeouts(struct rpc_xprt *xprt,
spin_unlock(&xprt->transport_lock);
/* TCP Keepalive options */
- kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
- (char *)&opt_on, sizeof(opt_on));
- kernel_setsockopt(sock, SOL_TCP, TCP_KEEPIDLE,
- (char *)&keepidle, sizeof(keepidle));
- kernel_setsockopt(sock, SOL_TCP, TCP_KEEPINTVL,
- (char *)&keepidle, sizeof(keepidle));
- kernel_setsockopt(sock, SOL_TCP, TCP_KEEPCNT,
- (char *)&keepcnt, sizeof(keepcnt));
+ sock_set_keepalive(sock->sk);
+ tcp_sock_set_keepidle(sock->sk, keepidle);
+ tcp_sock_set_keepintvl(sock->sk, keepidle);
+ tcp_sock_set_keepcnt(sock->sk, keepcnt);
/* TCP user timeout (see RFC5482) */
- kernel_setsockopt(sock, SOL_TCP, TCP_USER_TIMEOUT,
- (char *)&timeo, sizeof(timeo));
+ tcp_sock_set_user_timeout(sock->sk, timeo);
}
static void xs_tcp_set_connect_timeout(struct rpc_xprt *xprt,
@@ -2171,7 +2150,6 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
if (!transport->inet) {
struct sock *sk = sock->sk;
- unsigned int addr_pref = IPV6_PREFER_SRC_PUBLIC;
/* Avoid temporary address, they are bad for long-lived
* connections such as NFS mounts.
@@ -2180,8 +2158,10 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
* knowledge about the normal duration of connections,
* MAY override this as appropriate.
*/
- kernel_setsockopt(sock, SOL_IPV6, IPV6_ADDR_PREFERENCES,
- (char *)&addr_pref, sizeof(addr_pref));
+ if (xs_addr(xprt)->sa_family == PF_INET6) {
+ ip6_sock_set_addr_preferences(sk,
+ IPV6_PREFER_SRC_PUBLIC);
+ }
xs_tcp_set_socket_timeouts(xprt, sock);
@@ -2584,6 +2564,7 @@ static int bc_send_request(struct rpc_rqst *req)
static void bc_close(struct rpc_xprt *xprt)
{
+ xprt_disconnect_done(xprt);
}
/*
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index 4c20be08b9c4..383f87bc1061 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -46,6 +46,7 @@
#define BCLINK_WIN_MIN 32 /* bcast minimum link window size */
const char tipc_bclink_name[] = "broadcast-link";
+unsigned long sysctl_tipc_bc_retruni __read_mostly;
/**
* struct tipc_bc_base - base structure for keeping broadcast send state
@@ -474,7 +475,7 @@ void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
__skb_queue_head_init(&xmitq);
tipc_bcast_lock(net);
- tipc_link_bc_ack_rcv(l, acked, &xmitq);
+ tipc_link_bc_ack_rcv(l, acked, 0, NULL, &xmitq, NULL);
tipc_bcast_unlock(net);
tipc_bcbase_xmit(net, &xmitq);
@@ -489,9 +490,11 @@ void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
* RCU is locked, no other locks set
*/
int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
- struct tipc_msg *hdr)
+ struct tipc_msg *hdr,
+ struct sk_buff_head *retrq)
{
struct sk_buff_head *inputq = &tipc_bc_base(net)->inputq;
+ struct tipc_gap_ack_blks *ga;
struct sk_buff_head xmitq;
int rc = 0;
@@ -501,8 +504,13 @@ int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
if (msg_type(hdr) != STATE_MSG) {
tipc_link_bc_init_rcv(l, hdr);
} else if (!msg_bc_ack_invalid(hdr)) {
- tipc_link_bc_ack_rcv(l, msg_bcast_ack(hdr), &xmitq);
- rc = tipc_link_bc_sync_rcv(l, hdr, &xmitq);
+ tipc_get_gap_ack_blks(&ga, l, hdr, false);
+ if (!sysctl_tipc_bc_retruni)
+ retrq = &xmitq;
+ rc = tipc_link_bc_ack_rcv(l, msg_bcast_ack(hdr),
+ msg_bc_gap(hdr), ga, &xmitq,
+ retrq);
+ rc |= tipc_link_bc_sync_rcv(l, hdr, &xmitq);
}
tipc_bcast_unlock(net);
@@ -555,10 +563,8 @@ void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_l)
tipc_sk_rcv(net, inputq);
}
-int tipc_bclink_reset_stats(struct net *net)
+int tipc_bclink_reset_stats(struct net *net, struct tipc_link *l)
{
- struct tipc_link *l = tipc_bc_sndlink(net);
-
if (!l)
return -ENOPROTOOPT;
@@ -686,7 +692,7 @@ int tipc_bcast_init(struct net *net)
tn->bcbase = bb;
spin_lock_init(&tipc_net(net)->bclock);
- if (!tipc_link_bc_create(net, 0, 0,
+ if (!tipc_link_bc_create(net, 0, 0, NULL,
FB_MTU,
BCLINK_WIN_DEFAULT,
BCLINK_WIN_DEFAULT,
diff --git a/net/tipc/bcast.h b/net/tipc/bcast.h
index 9e847d9617d3..4240c95188b1 100644
--- a/net/tipc/bcast.h
+++ b/net/tipc/bcast.h
@@ -45,6 +45,7 @@ struct tipc_nl_msg;
struct tipc_nlist;
struct tipc_nitem;
extern const char tipc_bclink_name[];
+extern unsigned long sysctl_tipc_bc_retruni;
#define TIPC_METHOD_EXPIRE msecs_to_jiffies(5000)
@@ -93,10 +94,12 @@ int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb);
void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
struct tipc_msg *hdr);
int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
- struct tipc_msg *hdr);
-int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg);
+ struct tipc_msg *hdr,
+ struct sk_buff_head *retrq);
+int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg,
+ struct tipc_link *bcl);
int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]);
-int tipc_bclink_reset_stats(struct net *net);
+int tipc_bclink_reset_stats(struct net *net, struct tipc_link *l);
u32 tipc_bcast_get_broadcast_mode(struct net *net);
u32 tipc_bcast_get_broadcast_ratio(struct net *net);
diff --git a/net/tipc/link.c b/net/tipc/link.c
index d4675e922a8f..ee3b8d0576b8 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -188,6 +188,8 @@ struct tipc_link {
/* Broadcast */
u16 ackers;
u16 acked;
+ u16 last_gap;
+ struct tipc_gap_ack_blks *last_ga;
struct tipc_link *bc_rcvlink;
struct tipc_link *bc_sndlink;
u8 nack_state;
@@ -249,11 +251,14 @@ static int tipc_link_build_nack_msg(struct tipc_link *l,
struct sk_buff_head *xmitq);
static void tipc_link_build_bc_init_msg(struct tipc_link *l,
struct sk_buff_head *xmitq);
-static int tipc_link_release_pkts(struct tipc_link *l, u16 to);
-static u16 tipc_build_gap_ack_blks(struct tipc_link *l, void *data, u16 gap);
-static int tipc_link_advance_transmq(struct tipc_link *l, u16 acked, u16 gap,
+static u8 __tipc_build_gap_ack_blks(struct tipc_gap_ack_blks *ga,
+ struct tipc_link *l, u8 start_index);
+static u16 tipc_build_gap_ack_blks(struct tipc_link *l, struct tipc_msg *hdr);
+static int tipc_link_advance_transmq(struct tipc_link *l, struct tipc_link *r,
+ u16 acked, u16 gap,
struct tipc_gap_ack_blks *ga,
- struct sk_buff_head *xmitq);
+ struct sk_buff_head *xmitq,
+ bool *retransmitted, int *rc);
static void tipc_link_update_cwin(struct tipc_link *l, int released,
bool retransmitted);
/*
@@ -370,7 +375,7 @@ void tipc_link_remove_bc_peer(struct tipc_link *snd_l,
snd_l->ackers--;
rcv_l->bc_peer_is_up = true;
rcv_l->state = LINK_ESTABLISHED;
- tipc_link_bc_ack_rcv(rcv_l, ack, xmitq);
+ tipc_link_bc_ack_rcv(rcv_l, ack, 0, NULL, xmitq, NULL);
trace_tipc_link_reset(rcv_l, TIPC_DUMP_ALL, "bclink removed!");
tipc_link_reset(rcv_l);
rcv_l->state = LINK_RESET;
@@ -534,7 +539,7 @@ bool tipc_link_create(struct net *net, char *if_name, int bearer_id,
*
* Returns true if link was created, otherwise false
*/
-bool tipc_link_bc_create(struct net *net, u32 ownnode, u32 peer,
+bool tipc_link_bc_create(struct net *net, u32 ownnode, u32 peer, u8 *peer_id,
int mtu, u32 min_win, u32 max_win, u16 peer_caps,
struct sk_buff_head *inputq,
struct sk_buff_head *namedq,
@@ -549,7 +554,18 @@ bool tipc_link_bc_create(struct net *net, u32 ownnode, u32 peer,
return false;
l = *link;
- strcpy(l->name, tipc_bclink_name);
+ if (peer_id) {
+ char peer_str[NODE_ID_STR_LEN] = {0,};
+
+ tipc_nodeid2string(peer_str, peer_id);
+ if (strlen(peer_str) > 16)
+ sprintf(peer_str, "%x", peer);
+ /* Broadcast receiver link name: "broadcast-link:<peer>" */
+ snprintf(l->name, sizeof(l->name), "%s:%s", tipc_bclink_name,
+ peer_str);
+ } else {
+ strcpy(l->name, tipc_bclink_name);
+ }
trace_tipc_link_reset(l, TIPC_DUMP_ALL, "bclink created!");
tipc_link_reset(l);
l->state = LINK_RESET;
@@ -784,8 +800,6 @@ bool tipc_link_too_silent(struct tipc_link *l)
return (l->silent_intv_cnt + 2 > l->abort_limit);
}
-static int tipc_link_bc_retrans(struct tipc_link *l, struct tipc_link *r,
- u16 from, u16 to, struct sk_buff_head *xmitq);
/* tipc_link_timeout - perform periodic task as instructed from node timeout
*/
int tipc_link_timeout(struct tipc_link *l, struct sk_buff_head *xmitq)
@@ -948,6 +962,9 @@ void tipc_link_reset(struct tipc_link *l)
l->snd_nxt_state = 1;
l->rcv_nxt_state = 1;
l->acked = 0;
+ l->last_gap = 0;
+ kfree(l->last_ga);
+ l->last_ga = NULL;
l->silent_intv_cnt = 0;
l->rst_cnt = 0;
l->bc_peer_is_up = false;
@@ -1183,68 +1200,14 @@ static bool link_retransmit_failure(struct tipc_link *l, struct tipc_link *r,
if (link_is_bc_sndlink(l)) {
r->state = LINK_RESET;
- *rc = TIPC_LINK_DOWN_EVT;
+ *rc |= TIPC_LINK_DOWN_EVT;
} else {
- *rc = tipc_link_fsm_evt(l, LINK_FAILURE_EVT);
+ *rc |= tipc_link_fsm_evt(l, LINK_FAILURE_EVT);
}
return true;
}
-/* tipc_link_bc_retrans() - retransmit zero or more packets
- * @l: the link to transmit on
- * @r: the receiving link ordering the retransmit. Same as l if unicast
- * @from: retransmit from (inclusive) this sequence number
- * @to: retransmit to (inclusive) this sequence number
- * xmitq: queue for accumulating the retransmitted packets
- */
-static int tipc_link_bc_retrans(struct tipc_link *l, struct tipc_link *r,
- u16 from, u16 to, struct sk_buff_head *xmitq)
-{
- struct sk_buff *_skb, *skb = skb_peek(&l->transmq);
- u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1;
- u16 ack = l->rcv_nxt - 1;
- int retransmitted = 0;
- struct tipc_msg *hdr;
- int rc = 0;
-
- if (!skb)
- return 0;
- if (less(to, from))
- return 0;
-
- trace_tipc_link_retrans(r, from, to, &l->transmq);
-
- if (link_retransmit_failure(l, r, &rc))
- return rc;
-
- skb_queue_walk(&l->transmq, skb) {
- hdr = buf_msg(skb);
- if (less(msg_seqno(hdr), from))
- continue;
- if (more(msg_seqno(hdr), to))
- break;
- if (time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr))
- continue;
- TIPC_SKB_CB(skb)->nxt_retr = TIPC_BC_RETR_LIM;
- _skb = pskb_copy(skb, GFP_ATOMIC);
- if (!_skb)
- return 0;
- hdr = buf_msg(_skb);
- msg_set_ack(hdr, ack);
- msg_set_bcast_ack(hdr, bc_ack);
- _skb->priority = TC_PRIO_CONTROL;
- __skb_queue_tail(xmitq, _skb);
- l->stats.retransmitted++;
- retransmitted++;
- /* Increase actual retrans counter & mark first time */
- if (!TIPC_SKB_CB(skb)->retr_cnt++)
- TIPC_SKB_CB(skb)->retr_stamp = jiffies;
- }
- tipc_link_update_cwin(l, 0, retransmitted);
- return 0;
-}
-
/* tipc_data_input - deliver data and name distr msgs to upper layer
*
* Consumes buffer if message is of right type
@@ -1402,46 +1365,68 @@ static int tipc_link_tnl_rcv(struct tipc_link *l, struct sk_buff *skb,
return rc;
}
-static int tipc_link_release_pkts(struct tipc_link *l, u16 acked)
-{
- int released = 0;
- struct sk_buff *skb, *tmp;
-
- skb_queue_walk_safe(&l->transmq, skb, tmp) {
- if (more(buf_seqno(skb), acked))
- break;
- __skb_unlink(skb, &l->transmq);
- kfree_skb(skb);
- released++;
+/**
+ * tipc_get_gap_ack_blks - get Gap ACK blocks from PROTOCOL/STATE_MSG
+ * @ga: returned pointer to the Gap ACK blocks if any
+ * @l: the tipc link
+ * @hdr: the PROTOCOL/STATE_MSG header
+ * @uc: desired Gap ACK blocks type, i.e. unicast (= 1) or broadcast (= 0)
+ *
+ * Return: the total Gap ACK blocks size
+ */
+u16 tipc_get_gap_ack_blks(struct tipc_gap_ack_blks **ga, struct tipc_link *l,
+ struct tipc_msg *hdr, bool uc)
+{
+ struct tipc_gap_ack_blks *p;
+ u16 sz = 0;
+
+ /* Does peer support the Gap ACK blocks feature? */
+ if (l->peer_caps & TIPC_GAP_ACK_BLOCK) {
+ p = (struct tipc_gap_ack_blks *)msg_data(hdr);
+ sz = ntohs(p->len);
+ /* Sanity check */
+ if (sz == tipc_gap_ack_blks_sz(p->ugack_cnt + p->bgack_cnt)) {
+ /* Good, check if the desired type exists */
+ if ((uc && p->ugack_cnt) || (!uc && p->bgack_cnt))
+ goto ok;
+ /* Backward compatible: peer might not support bc, but uc? */
+ } else if (uc && sz == tipc_gap_ack_blks_sz(p->ugack_cnt)) {
+ if (p->ugack_cnt) {
+ p->bgack_cnt = 0;
+ goto ok;
+ }
+ }
}
- return released;
+ /* Other cases: ignore! */
+ p = NULL;
+
+ok:
+ *ga = p;
+ return sz;
}
-/* tipc_build_gap_ack_blks - build Gap ACK blocks
- * @l: tipc link that data have come with gaps in sequence if any
- * @data: data buffer to store the Gap ACK blocks after built
- *
- * returns the actual allocated memory size
- */
-static u16 tipc_build_gap_ack_blks(struct tipc_link *l, void *data, u16 gap)
+static u8 __tipc_build_gap_ack_blks(struct tipc_gap_ack_blks *ga,
+ struct tipc_link *l, u8 start_index)
{
+ struct tipc_gap_ack *gacks = &ga->gacks[start_index];
struct sk_buff *skb = skb_peek(&l->deferdq);
- struct tipc_gap_ack_blks *ga = data;
- u16 len, expect, seqno = 0;
+ u16 expect, seqno = 0;
u8 n = 0;
- if (!skb || !gap)
- goto exit;
+ if (!skb)
+ return 0;
expect = buf_seqno(skb);
skb_queue_walk(&l->deferdq, skb) {
seqno = buf_seqno(skb);
if (unlikely(more(seqno, expect))) {
- ga->gacks[n].ack = htons(expect - 1);
- ga->gacks[n].gap = htons(seqno - expect);
- if (++n >= MAX_GAP_ACK_BLKS) {
- pr_info_ratelimited("Too few Gap ACK blocks!\n");
- goto exit;
+ gacks[n].ack = htons(expect - 1);
+ gacks[n].gap = htons(seqno - expect);
+ if (++n >= MAX_GAP_ACK_BLKS / 2) {
+ pr_info_ratelimited("Gacks on %s: %d, ql: %d!\n",
+ l->name, n,
+ skb_queue_len(&l->deferdq));
+ return n;
}
} else if (unlikely(less(seqno, expect))) {
pr_warn("Unexpected skb in deferdq!\n");
@@ -1451,14 +1436,44 @@ static u16 tipc_build_gap_ack_blks(struct tipc_link *l, void *data, u16 gap)
}
/* last block */
- ga->gacks[n].ack = htons(seqno);
- ga->gacks[n].gap = 0;
+ gacks[n].ack = htons(seqno);
+ gacks[n].gap = 0;
n++;
+ return n;
+}
-exit:
- len = tipc_gap_ack_blks_sz(n);
+/* tipc_build_gap_ack_blks - build Gap ACK blocks
+ * @l: tipc unicast link
+ * @hdr: the tipc message buffer to store the Gap ACK blocks after built
+ *
+ * The function builds Gap ACK blocks for both the unicast & broadcast receiver
+ * links of a certain peer, the buffer after built has the network data format
+ * as found at the struct tipc_gap_ack_blks definition.
+ *
+ * returns the actual allocated memory size
+ */
+static u16 tipc_build_gap_ack_blks(struct tipc_link *l, struct tipc_msg *hdr)
+{
+ struct tipc_link *bcl = l->bc_rcvlink;
+ struct tipc_gap_ack_blks *ga;
+ u16 len;
+
+ ga = (struct tipc_gap_ack_blks *)msg_data(hdr);
+
+ /* Start with broadcast link first */
+ tipc_bcast_lock(bcl->net);
+ msg_set_bcast_ack(hdr, bcl->rcv_nxt - 1);
+ msg_set_bc_gap(hdr, link_bc_rcv_gap(bcl));
+ ga->bgack_cnt = __tipc_build_gap_ack_blks(ga, bcl, 0);
+ tipc_bcast_unlock(bcl->net);
+
+ /* Now for unicast link, but an explicit NACK only (???) */
+ ga->ugack_cnt = (msg_seq_gap(hdr)) ?
+ __tipc_build_gap_ack_blks(ga, l, ga->bgack_cnt) : 0;
+
+ /* Total len */
+ len = tipc_gap_ack_blks_sz(ga->bgack_cnt + ga->ugack_cnt);
ga->len = htons(len);
- ga->gack_cnt = n;
return len;
}
@@ -1466,47 +1481,111 @@ exit:
* acked packets, also doing retransmissions if
* gaps found
* @l: tipc link with transmq queue to be advanced
+ * @r: tipc link "receiver" i.e. in case of broadcast (= "l" if unicast)
* @acked: seqno of last packet acked by peer without any gaps before
* @gap: # of gap packets
* @ga: buffer pointer to Gap ACK blocks from peer
* @xmitq: queue for accumulating the retransmitted packets if any
+ * @retransmitted: returned boolean value if a retransmission is really issued
+ * @rc: returned code e.g. TIPC_LINK_DOWN_EVT if a repeated retransmit failures
+ * happens (- unlikely case)
*
- * In case of a repeated retransmit failures, the call will return shortly
- * with a returned code (e.g. TIPC_LINK_DOWN_EVT)
+ * Return: the number of packets released from the link transmq
*/
-static int tipc_link_advance_transmq(struct tipc_link *l, u16 acked, u16 gap,
+static int tipc_link_advance_transmq(struct tipc_link *l, struct tipc_link *r,
+ u16 acked, u16 gap,
struct tipc_gap_ack_blks *ga,
- struct sk_buff_head *xmitq)
+ struct sk_buff_head *xmitq,
+ bool *retransmitted, int *rc)
{
+ struct tipc_gap_ack_blks *last_ga = r->last_ga, *this_ga = NULL;
+ struct tipc_gap_ack *gacks = NULL;
struct sk_buff *skb, *_skb, *tmp;
struct tipc_msg *hdr;
+ u32 qlen = skb_queue_len(&l->transmq);
+ u16 nacked = acked, ngap = gap, gack_cnt = 0;
u16 bc_ack = l->bc_rcvlink->rcv_nxt - 1;
- bool retransmitted = false;
u16 ack = l->rcv_nxt - 1;
- bool passed = false;
- u16 released = 0;
u16 seqno, n = 0;
- int rc = 0;
+ u16 end = r->acked, start = end, offset = r->last_gap;
+ u16 si = (last_ga) ? last_ga->start_index : 0;
+ bool is_uc = !link_is_bc_sndlink(l);
+ bool bc_has_acked = false;
+
+ trace_tipc_link_retrans(r, acked + 1, acked + gap, &l->transmq);
+
+ /* Determine Gap ACK blocks if any for the particular link */
+ if (ga && is_uc) {
+ /* Get the Gap ACKs, uc part */
+ gack_cnt = ga->ugack_cnt;
+ gacks = &ga->gacks[ga->bgack_cnt];
+ } else if (ga) {
+ /* Copy the Gap ACKs, bc part, for later renewal if needed */
+ this_ga = kmemdup(ga, tipc_gap_ack_blks_sz(ga->bgack_cnt),
+ GFP_ATOMIC);
+ if (likely(this_ga)) {
+ this_ga->start_index = 0;
+ /* Start with the bc Gap ACKs */
+ gack_cnt = this_ga->bgack_cnt;
+ gacks = &this_ga->gacks[0];
+ } else {
+ /* Hmm, we can get in trouble..., simply ignore it */
+ pr_warn_ratelimited("Ignoring bc Gap ACKs, no memory\n");
+ }
+ }
+ /* Advance the link transmq */
skb_queue_walk_safe(&l->transmq, skb, tmp) {
seqno = buf_seqno(skb);
next_gap_ack:
- if (less_eq(seqno, acked)) {
+ if (less_eq(seqno, nacked)) {
+ if (is_uc)
+ goto release;
+ /* Skip packets peer has already acked */
+ if (!more(seqno, r->acked))
+ continue;
+ /* Get the next of last Gap ACK blocks */
+ while (more(seqno, end)) {
+ if (!last_ga || si >= last_ga->bgack_cnt)
+ break;
+ start = end + offset + 1;
+ end = ntohs(last_ga->gacks[si].ack);
+ offset = ntohs(last_ga->gacks[si].gap);
+ si++;
+ WARN_ONCE(more(start, end) ||
+ (!offset &&
+ si < last_ga->bgack_cnt) ||
+ si > MAX_GAP_ACK_BLKS,
+ "Corrupted Gap ACK: %d %d %d %d %d\n",
+ start, end, offset, si,
+ last_ga->bgack_cnt);
+ }
+ /* Check against the last Gap ACK block */
+ if (in_range(seqno, start, end))
+ continue;
+ /* Update/release the packet peer is acking */
+ bc_has_acked = true;
+ if (--TIPC_SKB_CB(skb)->ackers)
+ continue;
+release:
/* release skb */
__skb_unlink(skb, &l->transmq);
kfree_skb(skb);
- released++;
- } else if (less_eq(seqno, acked + gap)) {
- /* First, check if repeated retrans failures occurs? */
- if (!passed && link_retransmit_failure(l, l, &rc))
- return rc;
- passed = true;
-
+ } else if (less_eq(seqno, nacked + ngap)) {
+ /* First gap: check if repeated retrans failures? */
+ if (unlikely(seqno == acked + 1 &&
+ link_retransmit_failure(l, r, rc))) {
+ /* Ignore this bc Gap ACKs if any */
+ kfree(this_ga);
+ this_ga = NULL;
+ break;
+ }
/* retransmit skb if unrestricted*/
if (time_before(jiffies, TIPC_SKB_CB(skb)->nxt_retr))
continue;
- TIPC_SKB_CB(skb)->nxt_retr = TIPC_UC_RETR_TIME;
+ TIPC_SKB_CB(skb)->nxt_retr = (is_uc) ?
+ TIPC_UC_RETR_TIME : TIPC_BC_RETR_LIM;
_skb = pskb_copy(skb, GFP_ATOMIC);
if (!_skb)
continue;
@@ -1516,25 +1595,53 @@ next_gap_ack:
_skb->priority = TC_PRIO_CONTROL;
__skb_queue_tail(xmitq, _skb);
l->stats.retransmitted++;
- retransmitted = true;
+ if (!is_uc)
+ r->stats.retransmitted++;
+ *retransmitted = true;
/* Increase actual retrans counter & mark first time */
if (!TIPC_SKB_CB(skb)->retr_cnt++)
TIPC_SKB_CB(skb)->retr_stamp = jiffies;
} else {
/* retry with Gap ACK blocks if any */
- if (!ga || n >= ga->gack_cnt)
+ if (n >= gack_cnt)
break;
- acked = ntohs(ga->gacks[n].ack);
- gap = ntohs(ga->gacks[n].gap);
+ nacked = ntohs(gacks[n].ack);
+ ngap = ntohs(gacks[n].gap);
n++;
goto next_gap_ack;
}
}
- if (released || retransmitted)
- tipc_link_update_cwin(l, released, retransmitted);
- if (released)
- tipc_link_advance_backlog(l, xmitq);
- return 0;
+
+ /* Renew last Gap ACK blocks for bc if needed */
+ if (bc_has_acked) {
+ if (this_ga) {
+ kfree(last_ga);
+ r->last_ga = this_ga;
+ r->last_gap = gap;
+ } else if (last_ga) {
+ if (less(acked, start)) {
+ si--;
+ offset = start - acked - 1;
+ } else if (less(acked, end)) {
+ acked = end;
+ }
+ if (si < last_ga->bgack_cnt) {
+ last_ga->start_index = si;
+ r->last_gap = offset;
+ } else {
+ kfree(last_ga);
+ r->last_ga = NULL;
+ r->last_gap = 0;
+ }
+ } else {
+ r->last_gap = 0;
+ }
+ r->acked = acked;
+ } else {
+ kfree(this_ga);
+ }
+
+ return qlen - skb_queue_len(&l->transmq);
}
/* tipc_link_build_state_msg: prepare link state message for transmission
@@ -1651,11 +1758,13 @@ int tipc_link_rcv(struct tipc_link *l, struct sk_buff *skb,
kfree_skb(skb);
break;
}
- released += tipc_link_release_pkts(l, msg_ack(hdr));
+ released += tipc_link_advance_transmq(l, l, msg_ack(hdr), 0,
+ NULL, NULL, NULL, NULL);
/* Defer delivery if sequence gap */
if (unlikely(seqno != rcv_nxt)) {
- __tipc_skb_queue_sorted(defq, seqno, skb);
+ if (!__tipc_skb_queue_sorted(defq, seqno, skb))
+ l->stats.duplicates++;
rc |= tipc_link_build_nack_msg(l, xmitq);
break;
}
@@ -1689,15 +1798,15 @@ static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
int tolerance, int priority,
struct sk_buff_head *xmitq)
{
+ struct tipc_mon_state *mstate = &l->mon_state;
+ struct sk_buff_head *dfq = &l->deferdq;
struct tipc_link *bcl = l->bc_rcvlink;
- struct sk_buff *skb;
struct tipc_msg *hdr;
- struct sk_buff_head *dfq = &l->deferdq;
+ struct sk_buff *skb;
bool node_up = link_is_up(bcl);
- struct tipc_mon_state *mstate = &l->mon_state;
+ u16 glen = 0, bc_rcvgap = 0;
int dlen = 0;
void *data;
- u16 glen = 0;
/* Don't send protocol message during reset or link failover */
if (tipc_link_is_blocked(l))
@@ -1735,11 +1844,12 @@ static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
if (l->peer_caps & TIPC_LINK_PROTO_SEQNO)
msg_set_seqno(hdr, l->snd_nxt_state++);
msg_set_seq_gap(hdr, rcvgap);
- msg_set_bc_gap(hdr, link_bc_rcv_gap(bcl));
+ bc_rcvgap = link_bc_rcv_gap(bcl);
+ msg_set_bc_gap(hdr, bc_rcvgap);
msg_set_probe(hdr, probe);
msg_set_is_keepalive(hdr, probe || probe_reply);
if (l->peer_caps & TIPC_GAP_ACK_BLOCK)
- glen = tipc_build_gap_ack_blks(l, data, rcvgap);
+ glen = tipc_build_gap_ack_blks(l, hdr);
tipc_mon_prep(l->net, data + glen, &dlen, mstate, l->bearer_id);
msg_set_size(hdr, INT_H_SIZE + glen + dlen);
skb_trim(skb, INT_H_SIZE + glen + dlen);
@@ -1760,6 +1870,8 @@ static void tipc_link_build_proto_msg(struct tipc_link *l, int mtyp, bool probe,
l->stats.sent_probes++;
if (rcvgap)
l->stats.sent_nacks++;
+ if (bc_rcvgap)
+ bcl->stats.sent_nacks++;
skb->priority = TC_PRIO_CONTROL;
__skb_queue_tail(xmitq, skb);
trace_tipc_proto_build(skb, false, l->name);
@@ -2027,20 +2139,19 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
{
struct tipc_msg *hdr = buf_msg(skb);
struct tipc_gap_ack_blks *ga = NULL;
- u16 rcvgap = 0;
- u16 ack = msg_ack(hdr);
- u16 gap = msg_seq_gap(hdr);
+ bool reply = msg_probe(hdr), retransmitted = false;
+ u16 dlen = msg_data_sz(hdr), glen = 0;
u16 peers_snd_nxt = msg_next_sent(hdr);
u16 peers_tol = msg_link_tolerance(hdr);
u16 peers_prio = msg_linkprio(hdr);
+ u16 gap = msg_seq_gap(hdr);
+ u16 ack = msg_ack(hdr);
u16 rcv_nxt = l->rcv_nxt;
- u16 dlen = msg_data_sz(hdr);
+ u16 rcvgap = 0;
int mtyp = msg_type(hdr);
- bool reply = msg_probe(hdr);
- u16 glen = 0;
- void *data;
+ int rc = 0, released;
char *if_name;
- int rc = 0;
+ void *data;
trace_tipc_proto_rcv(skb, false, l->name);
if (tipc_link_is_blocked(l) || !xmitq)
@@ -2137,13 +2248,7 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
}
/* Receive Gap ACK blocks from peer if any */
- if (l->peer_caps & TIPC_GAP_ACK_BLOCK) {
- ga = (struct tipc_gap_ack_blks *)data;
- glen = ntohs(ga->len);
- /* sanity check: if failed, ignore Gap ACK blocks */
- if (glen != tipc_gap_ack_blks_sz(ga->gack_cnt))
- ga = NULL;
- }
+ glen = tipc_get_gap_ack_blks(&ga, l, hdr, true);
tipc_mon_rcv(l->net, data + glen, dlen - glen, l->addr,
&l->mon_state, l->bearer_id);
@@ -2158,9 +2263,14 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
tipc_link_build_proto_msg(l, STATE_MSG, 0, reply,
rcvgap, 0, 0, xmitq);
- rc |= tipc_link_advance_transmq(l, ack, gap, ga, xmitq);
+ released = tipc_link_advance_transmq(l, l, ack, gap, ga, xmitq,
+ &retransmitted, &rc);
if (gap)
l->stats.recv_nacks++;
+ if (released || retransmitted)
+ tipc_link_update_cwin(l, released, retransmitted);
+ if (released)
+ tipc_link_advance_backlog(l, xmitq);
if (unlikely(!skb_queue_empty(&l->wakeupq)))
link_prepare_wakeup(l);
}
@@ -2246,10 +2356,7 @@ void tipc_link_bc_init_rcv(struct tipc_link *l, struct tipc_msg *hdr)
int tipc_link_bc_sync_rcv(struct tipc_link *l, struct tipc_msg *hdr,
struct sk_buff_head *xmitq)
{
- struct tipc_link *snd_l = l->bc_sndlink;
u16 peers_snd_nxt = msg_bc_snd_nxt(hdr);
- u16 from = msg_bcast_ack(hdr) + 1;
- u16 to = from + msg_bc_gap(hdr) - 1;
int rc = 0;
if (!link_is_up(l))
@@ -2265,14 +2372,10 @@ int tipc_link_bc_sync_rcv(struct tipc_link *l, struct tipc_msg *hdr,
if (!l->bc_peer_is_up)
return rc;
- l->stats.recv_nacks++;
-
/* Ignore if peers_snd_nxt goes beyond receive window */
if (more(peers_snd_nxt, l->rcv_nxt + l->window))
return rc;
- rc = tipc_link_bc_retrans(snd_l, l, from, to, xmitq);
-
l->snd_nxt = peers_snd_nxt;
if (link_bc_rcv_gap(l))
rc |= TIPC_LINK_SND_STATE;
@@ -2307,38 +2410,34 @@ int tipc_link_bc_sync_rcv(struct tipc_link *l, struct tipc_msg *hdr,
return 0;
}
-void tipc_link_bc_ack_rcv(struct tipc_link *l, u16 acked,
- struct sk_buff_head *xmitq)
+int tipc_link_bc_ack_rcv(struct tipc_link *r, u16 acked, u16 gap,
+ struct tipc_gap_ack_blks *ga,
+ struct sk_buff_head *xmitq,
+ struct sk_buff_head *retrq)
{
- struct sk_buff *skb, *tmp;
- struct tipc_link *snd_l = l->bc_sndlink;
-
- if (!link_is_up(l) || !l->bc_peer_is_up)
- return;
+ struct tipc_link *l = r->bc_sndlink;
+ bool unused = false;
+ int rc = 0;
- if (!more(acked, l->acked))
- return;
+ if (!link_is_up(r) || !r->bc_peer_is_up)
+ return 0;
- trace_tipc_link_bc_ack(l, l->acked, acked, &snd_l->transmq);
- /* Skip over packets peer has already acked */
- skb_queue_walk(&snd_l->transmq, skb) {
- if (more(buf_seqno(skb), l->acked))
- break;
+ if (gap) {
+ l->stats.recv_nacks++;
+ r->stats.recv_nacks++;
}
- /* Update/release the packets peer is acking now */
- skb_queue_walk_from_safe(&snd_l->transmq, skb, tmp) {
- if (more(buf_seqno(skb), acked))
- break;
- if (!--TIPC_SKB_CB(skb)->ackers) {
- __skb_unlink(skb, &snd_l->transmq);
- kfree_skb(skb);
- }
- }
- l->acked = acked;
- tipc_link_advance_backlog(snd_l, xmitq);
- if (unlikely(!skb_queue_empty(&snd_l->wakeupq)))
- link_prepare_wakeup(snd_l);
+ if (less(acked, r->acked) || (acked == r->acked && !gap && !ga))
+ return 0;
+
+ trace_tipc_link_bc_ack(r, acked, gap, &l->transmq);
+ tipc_link_advance_transmq(l, r, acked, gap, ga, retrq, &unused, &rc);
+
+ tipc_link_advance_backlog(l, xmitq);
+ if (unlikely(!skb_queue_empty(&l->wakeupq)))
+ link_prepare_wakeup(l);
+
+ return rc;
}
/* tipc_link_bc_nack_rcv(): receive broadcast nack message
@@ -2366,8 +2465,8 @@ int tipc_link_bc_nack_rcv(struct tipc_link *l, struct sk_buff *skb,
return 0;
if (dnode == tipc_own_addr(l->net)) {
- tipc_link_bc_ack_rcv(l, acked, xmitq);
- rc = tipc_link_bc_retrans(l->bc_sndlink, l, from, to, xmitq);
+ rc = tipc_link_bc_ack_rcv(l, acked, to - acked, NULL, xmitq,
+ xmitq);
l->stats.recv_nacks++;
return rc;
}
@@ -2639,16 +2738,15 @@ msg_full:
return -EMSGSIZE;
}
-int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg)
+int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg,
+ struct tipc_link *bcl)
{
int err;
void *hdr;
struct nlattr *attrs;
struct nlattr *prop;
- struct tipc_net *tn = net_generic(net, tipc_net_id);
u32 bc_mode = tipc_bcast_get_broadcast_mode(net);
u32 bc_ratio = tipc_bcast_get_broadcast_ratio(net);
- struct tipc_link *bcl = tn->bcl;
if (!bcl)
return 0;
@@ -2735,21 +2833,6 @@ void tipc_link_set_abort_limit(struct tipc_link *l, u32 limit)
l->abort_limit = limit;
}
-char *tipc_link_name_ext(struct tipc_link *l, char *buf)
-{
- if (!l)
- scnprintf(buf, TIPC_MAX_LINK_NAME, "null");
- else if (link_is_bc_sndlink(l))
- scnprintf(buf, TIPC_MAX_LINK_NAME, "broadcast-sender");
- else if (link_is_bc_rcvlink(l))
- scnprintf(buf, TIPC_MAX_LINK_NAME,
- "broadcast-receiver, peer %x", l->addr);
- else
- memcpy(buf, l->name, TIPC_MAX_LINK_NAME);
-
- return buf;
-}
-
/**
* tipc_link_dump - dump TIPC link data
* @l: tipc link to be dumped
diff --git a/net/tipc/link.h b/net/tipc/link.h
index d3c1c3fc1659..fc07232c9a12 100644
--- a/net/tipc/link.h
+++ b/net/tipc/link.h
@@ -80,7 +80,7 @@ bool tipc_link_create(struct net *net, char *if_name, int bearer_id,
struct sk_buff_head *inputq,
struct sk_buff_head *namedq,
struct tipc_link **link);
-bool tipc_link_bc_create(struct net *net, u32 ownnode, u32 peer,
+bool tipc_link_bc_create(struct net *net, u32 ownnode, u32 peer, u8 *peer_id,
int mtu, u32 min_win, u32 max_win, u16 peer_caps,
struct sk_buff_head *inputq,
struct sk_buff_head *namedq,
@@ -111,7 +111,6 @@ u16 tipc_link_rcv_nxt(struct tipc_link *l);
u16 tipc_link_acked(struct tipc_link *l);
u32 tipc_link_id(struct tipc_link *l);
char *tipc_link_name(struct tipc_link *l);
-char *tipc_link_name_ext(struct tipc_link *l, char *buf);
u32 tipc_link_state(struct tipc_link *l);
char tipc_link_plane(struct tipc_link *l);
int tipc_link_prio(struct tipc_link *l);
@@ -143,8 +142,12 @@ int tipc_link_bc_peers(struct tipc_link *l);
void tipc_link_set_mtu(struct tipc_link *l, int mtu);
int tipc_link_mtu(struct tipc_link *l);
int tipc_link_mss(struct tipc_link *l);
-void tipc_link_bc_ack_rcv(struct tipc_link *l, u16 acked,
- struct sk_buff_head *xmitq);
+u16 tipc_get_gap_ack_blks(struct tipc_gap_ack_blks **ga, struct tipc_link *l,
+ struct tipc_msg *hdr, bool uc);
+int tipc_link_bc_ack_rcv(struct tipc_link *l, u16 acked, u16 gap,
+ struct tipc_gap_ack_blks *ga,
+ struct sk_buff_head *xmitq,
+ struct sk_buff_head *retrq);
void tipc_link_build_bc_sync_msg(struct tipc_link *l,
struct sk_buff_head *xmitq);
void tipc_link_bc_init_rcv(struct tipc_link *l, struct tipc_msg *hdr);
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 4d0e0bdd997b..c0afcd627c5e 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -212,7 +212,7 @@ err:
int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen,
int mss, struct sk_buff_head *txq)
{
- struct sk_buff *skb, *prev;
+ struct sk_buff *skb;
int accounted, total, curr;
int mlen, cpy, rem = dlen;
struct tipc_msg *hdr;
@@ -223,7 +223,6 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen,
while (rem) {
if (!skb || skb->len >= mss) {
- prev = skb;
skb = tipc_buf_acquire(mss, GFP_KERNEL);
if (unlikely(!skb))
return -ENOMEM;
@@ -235,9 +234,6 @@ int tipc_msg_append(struct tipc_msg *_hdr, struct msghdr *m, int dlen,
msg_set_size(hdr, MIN_H_SIZE);
__skb_queue_tail(txq, skb);
total += 1;
- if (prev)
- msg_set_ack_required(buf_msg(prev), 0);
- msg_set_ack_required(hdr, 1);
}
hdr = buf_msg(skb);
curr = msg_blocks(hdr);
@@ -825,19 +821,19 @@ bool tipc_msg_pskb_copy(u32 dst, struct sk_buff_head *msg,
* @seqno: sequence number of buffer to add
* @skb: buffer to add
*/
-void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
+bool __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
struct sk_buff *skb)
{
struct sk_buff *_skb, *tmp;
if (skb_queue_empty(list) || less(seqno, buf_seqno(skb_peek(list)))) {
__skb_queue_head(list, skb);
- return;
+ return true;
}
if (more(seqno, buf_seqno(skb_peek_tail(list)))) {
__skb_queue_tail(list, skb);
- return;
+ return true;
}
skb_queue_walk_safe(list, _skb, tmp) {
@@ -846,9 +842,10 @@ void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
if (seqno == buf_seqno(_skb))
break;
__skb_queue_before(list, _skb, skb);
- return;
+ return true;
}
kfree_skb(skb);
+ return false;
}
void tipc_skb_reject(struct net *net, int err, struct sk_buff *skb,
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 871feadbbc19..58660d56bc83 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -160,20 +160,39 @@ struct tipc_gap_ack {
/* struct tipc_gap_ack_blks
* @len: actual length of the record
- * @gack_cnt: number of Gap ACK blocks in the record
+ * @ugack_cnt: number of Gap ACK blocks for unicast (following the broadcast
+ * ones)
+ * @start_index: starting index for "valid" broadcast Gap ACK blocks
+ * @bgack_cnt: number of Gap ACK blocks for broadcast in the record
* @gacks: array of Gap ACK blocks
+ *
+ * 31 16 15 0
+ * +-------------+-------------+-------------+-------------+
+ * | bgack_cnt | ugack_cnt | len |
+ * +-------------+-------------+-------------+-------------+ -
+ * | gap | ack | |
+ * +-------------+-------------+-------------+-------------+ > bc gacks
+ * : : : |
+ * +-------------+-------------+-------------+-------------+ -
+ * | gap | ack | |
+ * +-------------+-------------+-------------+-------------+ > uc gacks
+ * : : : |
+ * +-------------+-------------+-------------+-------------+ -
*/
struct tipc_gap_ack_blks {
__be16 len;
- u8 gack_cnt;
- u8 reserved;
+ union {
+ u8 ugack_cnt;
+ u8 start_index;
+ };
+ u8 bgack_cnt;
struct tipc_gap_ack gacks[];
};
#define tipc_gap_ack_blks_sz(n) (sizeof(struct tipc_gap_ack_blks) + \
sizeof(struct tipc_gap_ack) * (n))
-#define MAX_GAP_ACK_BLKS 32
+#define MAX_GAP_ACK_BLKS 128
#define MAX_GAP_ACK_BLKS_SZ tipc_gap_ack_blks_sz(MAX_GAP_ACK_BLKS)
static inline struct tipc_msg *buf_msg(struct sk_buff *skb)
@@ -321,9 +340,19 @@ static inline int msg_ack_required(struct tipc_msg *m)
return msg_bits(m, 0, 18, 1);
}
-static inline void msg_set_ack_required(struct tipc_msg *m, u32 d)
+static inline void msg_set_ack_required(struct tipc_msg *m)
{
- msg_set_bits(m, 0, 18, 1, d);
+ msg_set_bits(m, 0, 18, 1, 1);
+}
+
+static inline int msg_nagle_ack(struct tipc_msg *m)
+{
+ return msg_bits(m, 0, 18, 1);
+}
+
+static inline void msg_set_nagle_ack(struct tipc_msg *m)
+{
+ msg_set_bits(m, 0, 18, 1, 1);
}
static inline bool msg_is_rcast(struct tipc_msg *m)
@@ -1126,7 +1155,7 @@ bool tipc_msg_assemble(struct sk_buff_head *list);
bool tipc_msg_reassemble(struct sk_buff_head *list, struct sk_buff_head *rcvq);
bool tipc_msg_pskb_copy(u32 dst, struct sk_buff_head *msg,
struct sk_buff_head *cpy);
-void __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
+bool __tipc_skb_queue_sorted(struct sk_buff_head *list, u16 seqno,
struct sk_buff *skb);
bool tipc_msg_skb_clone(struct sk_buff_head *msg, struct sk_buff_head *cpy);
diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c
index bb9862410e68..c4aee6247d55 100644
--- a/net/tipc/netlink.c
+++ b/net/tipc/netlink.c
@@ -188,7 +188,7 @@ static const struct genl_ops tipc_genl_v2_ops[] = {
},
{
.cmd = TIPC_NL_LINK_GET,
- .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
+ .validate = GENL_DONT_VALIDATE_STRICT,
.doit = tipc_nl_node_get_link,
.dumpit = tipc_nl_node_dump_link,
},
diff --git a/net/tipc/node.c b/net/tipc/node.c
index 10292c942384..a4c2816c3746 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1138,7 +1138,7 @@ void tipc_node_check_dest(struct net *net, u32 addr,
if (unlikely(!n->bc_entry.link)) {
snd_l = tipc_bc_sndlink(net);
if (!tipc_link_bc_create(net, tipc_own_addr(net),
- addr, U16_MAX,
+ addr, peer_id, U16_MAX,
tipc_link_min_win(snd_l),
tipc_link_max_win(snd_l),
n->capabilities,
@@ -1772,7 +1772,7 @@ static void tipc_node_bc_sync_rcv(struct tipc_node *n, struct tipc_msg *hdr,
struct tipc_link *ucl;
int rc;
- rc = tipc_bcast_sync_rcv(n->net, n->bc_entry.link, hdr);
+ rc = tipc_bcast_sync_rcv(n->net, n->bc_entry.link, hdr, xmitq);
if (rc & TIPC_LINK_DOWN_EVT) {
tipc_node_reset_links(n);
@@ -2070,10 +2070,16 @@ rcv:
le = &n->links[bearer_id];
/* Ensure broadcast reception is in synch with peer's send state */
- if (unlikely(usr == LINK_PROTOCOL))
+ if (unlikely(usr == LINK_PROTOCOL)) {
+ if (unlikely(skb_linearize(skb))) {
+ tipc_node_put(n);
+ goto discard;
+ }
+ hdr = buf_msg(skb);
tipc_node_bc_sync_rcv(n, hdr, bearer_id, &xmitq);
- else if (unlikely(tipc_link_acked(n->bc_entry.link) != bc_ack))
+ } else if (unlikely(tipc_link_acked(n->bc_entry.link) != bc_ack)) {
tipc_bcast_ack_rcv(net, n->bc_entry.link, hdr);
+ }
/* Receive packet directly if conditions permit */
tipc_node_read_lock(n);
@@ -2090,7 +2096,7 @@ rcv:
/* Check/update node state before receiving */
if (unlikely(skb)) {
if (unlikely(skb_linearize(skb)))
- goto discard;
+ goto out_node_put;
tipc_node_write_lock(n);
if (tipc_node_check_state(n, skb, bearer_id, &xmitq)) {
if (le->link) {
@@ -2119,6 +2125,7 @@ rcv:
if (!skb_queue_empty(&xmitq))
tipc_bearer_xmit(net, bearer_id, &xmitq, &le->maddr, n);
+out_node_put:
tipc_node_put(n);
discard:
kfree_skb(skb);
@@ -2427,7 +2434,7 @@ int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info)
return -ENOMEM;
if (strcmp(name, tipc_bclink_name) == 0) {
- err = tipc_nl_add_bc_link(net, &msg);
+ err = tipc_nl_add_bc_link(net, &msg, tipc_net(net)->bcl);
if (err)
goto err_free;
} else {
@@ -2471,6 +2478,7 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info)
struct tipc_node *node;
struct nlattr *attrs[TIPC_NLA_LINK_MAX + 1];
struct net *net = sock_net(skb->sk);
+ struct tipc_net *tn = tipc_net(net);
struct tipc_link_entry *le;
if (!info->attrs[TIPC_NLA_LINK])
@@ -2487,11 +2495,26 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info)
link_name = nla_data(attrs[TIPC_NLA_LINK_NAME]);
- if (strcmp(link_name, tipc_bclink_name) == 0) {
- err = tipc_bclink_reset_stats(net);
+ err = -EINVAL;
+ if (!strcmp(link_name, tipc_bclink_name)) {
+ err = tipc_bclink_reset_stats(net, tipc_bc_sndlink(net));
if (err)
return err;
return 0;
+ } else if (strstr(link_name, tipc_bclink_name)) {
+ rcu_read_lock();
+ list_for_each_entry_rcu(node, &tn->node_list, list) {
+ tipc_node_read_lock(node);
+ link = node->bc_entry.link;
+ if (link && !strcmp(link_name, tipc_link_name(link))) {
+ err = tipc_bclink_reset_stats(net, link);
+ tipc_node_read_unlock(node);
+ break;
+ }
+ tipc_node_read_unlock(node);
+ }
+ rcu_read_unlock();
+ return err;
}
node = tipc_node_find_by_name(net, link_name, &bearer_id);
@@ -2515,7 +2538,8 @@ int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info)
/* Caller should hold node lock */
static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg,
- struct tipc_node *node, u32 *prev_link)
+ struct tipc_node *node, u32 *prev_link,
+ bool bc_link)
{
u32 i;
int err;
@@ -2531,6 +2555,14 @@ static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg,
if (err)
return err;
}
+
+ if (bc_link) {
+ *prev_link = i;
+ err = tipc_nl_add_bc_link(net, msg, node->bc_entry.link);
+ if (err)
+ return err;
+ }
+
*prev_link = 0;
return 0;
@@ -2539,17 +2571,36 @@ static int __tipc_nl_add_node_links(struct net *net, struct tipc_nl_msg *msg,
int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb)
{
struct net *net = sock_net(skb->sk);
+ struct nlattr **attrs = genl_dumpit_info(cb)->attrs;
+ struct nlattr *link[TIPC_NLA_LINK_MAX + 1];
struct tipc_net *tn = net_generic(net, tipc_net_id);
struct tipc_node *node;
struct tipc_nl_msg msg;
u32 prev_node = cb->args[0];
u32 prev_link = cb->args[1];
int done = cb->args[2];
+ bool bc_link = cb->args[3];
int err;
if (done)
return 0;
+ if (!prev_node) {
+ /* Check if broadcast-receiver links dumping is needed */
+ if (attrs && attrs[TIPC_NLA_LINK]) {
+ err = nla_parse_nested_deprecated(link,
+ TIPC_NLA_LINK_MAX,
+ attrs[TIPC_NLA_LINK],
+ tipc_nl_link_policy,
+ NULL);
+ if (unlikely(err))
+ return err;
+ if (unlikely(!link[TIPC_NLA_LINK_BROADCAST]))
+ return -EINVAL;
+ bc_link = true;
+ }
+ }
+
msg.skb = skb;
msg.portid = NETLINK_CB(cb->skb).portid;
msg.seq = cb->nlh->nlmsg_seq;
@@ -2573,7 +2624,7 @@ int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb)
list) {
tipc_node_read_lock(node);
err = __tipc_nl_add_node_links(net, &msg, node,
- &prev_link);
+ &prev_link, bc_link);
tipc_node_read_unlock(node);
if (err)
goto out;
@@ -2581,14 +2632,14 @@ int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb)
prev_node = node->addr;
}
} else {
- err = tipc_nl_add_bc_link(net, &msg);
+ err = tipc_nl_add_bc_link(net, &msg, tn->bcl);
if (err)
goto out;
list_for_each_entry_rcu(node, &tn->node_list, list) {
tipc_node_read_lock(node);
err = __tipc_nl_add_node_links(net, &msg, node,
- &prev_link);
+ &prev_link, bc_link);
tipc_node_read_unlock(node);
if (err)
goto out;
@@ -2603,6 +2654,7 @@ out:
cb->args[0] = prev_node;
cb->args[1] = prev_link;
cb->args[2] = done;
+ cb->args[3] = bc_link;
return skb->len;
}
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 87466607097f..26123f4177fd 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -48,6 +48,8 @@
#include "group.h"
#include "trace.h"
+#define NAGLE_START_INIT 4
+#define NAGLE_START_MAX 1024
#define CONN_TIMEOUT_DEFAULT 8000 /* default connect timeout = 8s */
#define CONN_PROBING_INTV msecs_to_jiffies(3600000) /* [ms] => 1 h */
#define TIPC_FWD_MSG 1
@@ -119,7 +121,10 @@ struct tipc_sock {
struct rcu_head rcu;
struct tipc_group *group;
u32 oneway;
+ u32 nagle_start;
u16 snd_backlog;
+ u16 msg_acc;
+ u16 pkt_cnt;
bool expect_ack;
bool nodelay;
bool group_is_open;
@@ -143,7 +148,7 @@ static int tipc_sk_insert(struct tipc_sock *tsk);
static void tipc_sk_remove(struct tipc_sock *tsk);
static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dsz);
static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dsz);
-static void tipc_sk_push_backlog(struct tipc_sock *tsk);
+static void tipc_sk_push_backlog(struct tipc_sock *tsk, bool nagle_ack);
static const struct proto_ops packet_ops;
static const struct proto_ops stream_ops;
@@ -191,17 +196,17 @@ static int tsk_importance(struct tipc_sock *tsk)
return msg_importance(&tsk->phdr);
}
-static int tsk_set_importance(struct tipc_sock *tsk, int imp)
+static struct tipc_sock *tipc_sk(const struct sock *sk)
{
- if (imp > TIPC_CRITICAL_IMPORTANCE)
- return -EINVAL;
- msg_set_importance(&tsk->phdr, (u32)imp);
- return 0;
+ return container_of(sk, struct tipc_sock, sk);
}
-static struct tipc_sock *tipc_sk(const struct sock *sk)
+int tsk_set_importance(struct sock *sk, int imp)
{
- return container_of(sk, struct tipc_sock, sk);
+ if (imp > TIPC_CRITICAL_IMPORTANCE)
+ return -EINVAL;
+ msg_set_importance(&tipc_sk(sk)->phdr, (u32)imp);
+ return 0;
}
static bool tsk_conn_cong(struct tipc_sock *tsk)
@@ -474,6 +479,7 @@ static int tipc_sk_create(struct net *net, struct socket *sock,
tsk = tipc_sk(sk);
tsk->max_pkt = MAX_PKT_DEFAULT;
tsk->maxnagle = 0;
+ tsk->nagle_start = NAGLE_START_INIT;
INIT_LIST_HEAD(&tsk->publications);
INIT_LIST_HEAD(&tsk->cong_links);
msg = &tsk->phdr;
@@ -541,7 +547,7 @@ static void __tipc_shutdown(struct socket *sock, int error)
!tsk_conn_cong(tsk)));
/* Push out delayed messages if in Nagle mode */
- tipc_sk_push_backlog(tsk);
+ tipc_sk_push_backlog(tsk, false);
/* Remove pending SYN */
__skb_queue_purge(&sk->sk_write_queue);
@@ -1252,14 +1258,37 @@ void tipc_sk_mcast_rcv(struct net *net, struct sk_buff_head *arrvq,
/* tipc_sk_push_backlog(): send accumulated buffers in socket write queue
* when socket is in Nagle mode
*/
-static void tipc_sk_push_backlog(struct tipc_sock *tsk)
+static void tipc_sk_push_backlog(struct tipc_sock *tsk, bool nagle_ack)
{
struct sk_buff_head *txq = &tsk->sk.sk_write_queue;
+ struct sk_buff *skb = skb_peek_tail(txq);
struct net *net = sock_net(&tsk->sk);
u32 dnode = tsk_peer_node(tsk);
- struct sk_buff *skb = skb_peek(txq);
int rc;
+ if (nagle_ack) {
+ tsk->pkt_cnt += skb_queue_len(txq);
+ if (!tsk->pkt_cnt || tsk->msg_acc / tsk->pkt_cnt < 2) {
+ tsk->oneway = 0;
+ if (tsk->nagle_start < NAGLE_START_MAX)
+ tsk->nagle_start *= 2;
+ tsk->expect_ack = false;
+ pr_debug("tsk %10u: bad nagle %u -> %u, next start %u!\n",
+ tsk->portid, tsk->msg_acc, tsk->pkt_cnt,
+ tsk->nagle_start);
+ } else {
+ tsk->nagle_start = NAGLE_START_INIT;
+ if (skb) {
+ msg_set_ack_required(buf_msg(skb));
+ tsk->expect_ack = true;
+ } else {
+ tsk->expect_ack = false;
+ }
+ }
+ tsk->msg_acc = 0;
+ tsk->pkt_cnt = 0;
+ }
+
if (!skb || tsk->cong_link_cnt)
return;
@@ -1267,9 +1296,10 @@ static void tipc_sk_push_backlog(struct tipc_sock *tsk)
if (msg_is_syn(buf_msg(skb)))
return;
+ if (tsk->msg_acc)
+ tsk->pkt_cnt += skb_queue_len(txq);
tsk->snt_unacked += tsk->snd_backlog;
tsk->snd_backlog = 0;
- tsk->expect_ack = true;
rc = tipc_node_xmit(net, txq, dnode, tsk->portid);
if (rc == -ELINKCONG)
tsk->cong_link_cnt = 1;
@@ -1322,8 +1352,7 @@ static void tipc_sk_conn_proto_rcv(struct tipc_sock *tsk, struct sk_buff *skb,
return;
} else if (mtyp == CONN_ACK) {
was_cong = tsk_conn_cong(tsk);
- tsk->expect_ack = false;
- tipc_sk_push_backlog(tsk);
+ tipc_sk_push_backlog(tsk, msg_nagle_ack(hdr));
tsk->snt_unacked -= msg_conn_ack(hdr);
if (tsk->peer_caps & TIPC_BLOCK_FLOWCTL)
tsk->snd_win = msg_adv_win(hdr);
@@ -1516,6 +1545,7 @@ static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dlen)
struct tipc_sock *tsk = tipc_sk(sk);
struct tipc_msg *hdr = &tsk->phdr;
struct net *net = sock_net(sk);
+ struct sk_buff *skb;
u32 dnode = tsk_peer_node(tsk);
int maxnagle = tsk->maxnagle;
int maxpkt = tsk->max_pkt;
@@ -1544,17 +1574,29 @@ static int __tipc_sendstream(struct socket *sock, struct msghdr *m, size_t dlen)
break;
send = min_t(size_t, dlen - sent, TIPC_MAX_USER_MSG_SIZE);
blocks = tsk->snd_backlog;
- if (tsk->oneway++ >= 4 && send <= maxnagle) {
+ if (tsk->oneway++ >= tsk->nagle_start && send <= maxnagle) {
rc = tipc_msg_append(hdr, m, send, maxnagle, txq);
if (unlikely(rc < 0))
break;
blocks += rc;
+ tsk->msg_acc++;
if (blocks <= 64 && tsk->expect_ack) {
tsk->snd_backlog = blocks;
sent += send;
break;
+ } else if (blocks > 64) {
+ tsk->pkt_cnt += skb_queue_len(txq);
+ } else {
+ skb = skb_peek_tail(txq);
+ if (skb) {
+ msg_set_ack_required(buf_msg(skb));
+ tsk->expect_ack = true;
+ } else {
+ tsk->expect_ack = false;
+ }
+ tsk->msg_acc = 0;
+ tsk->pkt_cnt = 0;
}
- tsk->expect_ack = true;
} else {
rc = tipc_msg_build(hdr, m, sent, send, maxpkt, txq);
if (unlikely(rc != send))
@@ -1739,22 +1781,21 @@ static int tipc_sk_anc_data_recv(struct msghdr *m, struct sk_buff *skb,
return 0;
}
-static void tipc_sk_send_ack(struct tipc_sock *tsk)
+static struct sk_buff *tipc_sk_build_ack(struct tipc_sock *tsk)
{
struct sock *sk = &tsk->sk;
- struct net *net = sock_net(sk);
struct sk_buff *skb = NULL;
struct tipc_msg *msg;
u32 peer_port = tsk_peer_port(tsk);
u32 dnode = tsk_peer_node(tsk);
if (!tipc_sk_connected(sk))
- return;
+ return NULL;
skb = tipc_msg_create(CONN_MANAGER, CONN_ACK, INT_H_SIZE, 0,
dnode, tsk_own_node(tsk), peer_port,
tsk->portid, TIPC_OK);
if (!skb)
- return;
+ return NULL;
msg = buf_msg(skb);
msg_set_conn_ack(msg, tsk->rcv_unacked);
tsk->rcv_unacked = 0;
@@ -1764,7 +1805,19 @@ static void tipc_sk_send_ack(struct tipc_sock *tsk)
tsk->rcv_win = tsk_adv_blocks(tsk->sk.sk_rcvbuf);
msg_set_adv_win(msg, tsk->rcv_win);
}
- tipc_node_xmit_skb(net, skb, dnode, msg_link_selector(msg));
+ return skb;
+}
+
+static void tipc_sk_send_ack(struct tipc_sock *tsk)
+{
+ struct sk_buff *skb;
+
+ skb = tipc_sk_build_ack(tsk);
+ if (!skb)
+ return;
+
+ tipc_node_xmit_skb(sock_net(&tsk->sk), skb, tsk_peer_node(tsk),
+ msg_link_selector(buf_msg(skb)));
}
static int tipc_wait_for_rcvmsg(struct socket *sock, long *timeop)
@@ -1938,7 +1991,6 @@ static int tipc_recvstream(struct socket *sock, struct msghdr *m,
bool peek = flags & MSG_PEEK;
int offset, required, copy, copied = 0;
int hlen, dlen, err, rc;
- bool ack = false;
long timeout;
/* Catch invalid receive attempts */
@@ -1983,7 +2035,6 @@ static int tipc_recvstream(struct socket *sock, struct msghdr *m,
/* Copy data if msg ok, otherwise return error/partial data */
if (likely(!err)) {
- ack = msg_ack_required(hdr);
offset = skb_cb->bytes_read;
copy = min_t(int, dlen - offset, buflen - copied);
rc = skb_copy_datagram_msg(skb, hlen + offset, m, copy);
@@ -2011,7 +2062,7 @@ static int tipc_recvstream(struct socket *sock, struct msghdr *m,
/* Send connection flow control advertisement when applicable */
tsk->rcv_unacked += tsk_inc(tsk, hlen + dlen);
- if (ack || tsk->rcv_unacked >= tsk->rcv_win / TIPC_ACK_RATE)
+ if (tsk->rcv_unacked >= tsk->rcv_win / TIPC_ACK_RATE)
tipc_sk_send_ack(tsk);
/* Exit if all requested data or FIN/error received */
@@ -2082,7 +2133,7 @@ static void tipc_sk_proto_rcv(struct sock *sk,
smp_wmb();
tsk->cong_link_cnt--;
wakeup = true;
- tipc_sk_push_backlog(tsk);
+ tipc_sk_push_backlog(tsk, false);
break;
case GROUP_PROTOCOL:
tipc_group_proto_rcv(grp, &wakeup, hdr, inputq, xmitq);
@@ -2105,9 +2156,11 @@ static void tipc_sk_proto_rcv(struct sock *sk,
* tipc_sk_filter_connect - check incoming message for a connection-based socket
* @tsk: TIPC socket
* @skb: pointer to message buffer.
+ * @xmitq: for Nagle ACK if any
* Returns true if message should be added to receive queue, false otherwise
*/
-static bool tipc_sk_filter_connect(struct tipc_sock *tsk, struct sk_buff *skb)
+static bool tipc_sk_filter_connect(struct tipc_sock *tsk, struct sk_buff *skb,
+ struct sk_buff_head *xmitq)
{
struct sock *sk = &tsk->sk;
struct net *net = sock_net(sk);
@@ -2169,10 +2222,21 @@ static bool tipc_sk_filter_connect(struct tipc_sock *tsk, struct sk_buff *skb)
return false;
case TIPC_ESTABLISHED:
if (!skb_queue_empty(&sk->sk_write_queue))
- tipc_sk_push_backlog(tsk);
+ tipc_sk_push_backlog(tsk, false);
/* Accept only connection-based messages sent by peer */
- if (likely(con_msg && !err && pport == oport && pnode == onode))
+ if (likely(con_msg && !err && pport == oport &&
+ pnode == onode)) {
+ if (msg_ack_required(hdr)) {
+ struct sk_buff *skb;
+
+ skb = tipc_sk_build_ack(tsk);
+ if (skb) {
+ msg_set_nagle_ack(buf_msg(skb));
+ __skb_queue_tail(xmitq, skb);
+ }
+ }
return true;
+ }
if (!tsk_peer_msg(tsk, hdr))
return false;
if (!err)
@@ -2267,7 +2331,7 @@ static void tipc_sk_filter_rcv(struct sock *sk, struct sk_buff *skb,
while ((skb = __skb_dequeue(&inputq))) {
hdr = buf_msg(skb);
limit = rcvbuf_limit(sk, skb);
- if ((sk_conn && !tipc_sk_filter_connect(tsk, skb)) ||
+ if ((sk_conn && !tipc_sk_filter_connect(tsk, skb, xmitq)) ||
(!sk_conn && msg_connected(hdr)) ||
(!grp && msg_in_group(hdr)))
err = TIPC_ERR_NO_PORT;
@@ -2661,7 +2725,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags,
/* Connect new socket to it's peer */
tipc_sk_finish_conn(new_tsock, msg_origport(msg), msg_orignode(msg));
- tsk_set_importance(new_tsock, msg_importance(msg));
+ tsk_set_importance(new_sk, msg_importance(msg));
if (msg_named(msg)) {
new_tsock->conn_type = msg_nametype(msg);
new_tsock->conn_instance = msg_nameinst(msg);
@@ -3079,7 +3143,7 @@ static int tipc_setsockopt(struct socket *sock, int lvl, int opt,
switch (opt) {
case TIPC_IMPORTANCE:
- res = tsk_set_importance(tsk, value);
+ res = tsk_set_importance(sk, value);
break;
case TIPC_SRC_DROPPABLE:
if (sock->type != SOCK_STREAM)
diff --git a/net/tipc/socket.h b/net/tipc/socket.h
index 235b9679acee..b11575afc66f 100644
--- a/net/tipc/socket.h
+++ b/net/tipc/socket.h
@@ -75,4 +75,6 @@ u32 tipc_sock_get_portid(struct sock *sk);
bool tipc_sk_overlimit1(struct sock *sk, struct sk_buff *skb);
bool tipc_sk_overlimit2(struct sock *sk, struct sk_buff *skb);
+int tsk_set_importance(struct sock *sk, int imp);
+
#endif
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index aa015c233898..6ebbec1bedd1 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -96,6 +96,16 @@ void tipc_sub_get(struct tipc_subscription *subscription);
(swap_ ? swab32(val__) : val__); \
})
+/* tipc_sub_write - write val_ to field_ of struct sub_ in user endian format
+ */
+#define tipc_sub_write(sub_, field_, val_) \
+ ({ \
+ struct tipc_subscr *sub__ = sub_; \
+ u32 val__ = val_; \
+ int swap_ = !((sub__)->filter & TIPC_FILTER_MASK); \
+ (sub__)->field_ = swap_ ? swab32(val__) : val__; \
+ })
+
/* tipc_evt_write - write val_ to field_ of struct evt_ in user endian format
*/
#define tipc_evt_write(evt_, field_, val_) \
diff --git a/net/tipc/sysctl.c b/net/tipc/sysctl.c
index 58ab3d6dcdce..97a6264a2993 100644
--- a/net/tipc/sysctl.c
+++ b/net/tipc/sysctl.c
@@ -36,7 +36,7 @@
#include "core.h"
#include "trace.h"
#include "crypto.h"
-
+#include "bcast.h"
#include <linux/sysctl.h>
static struct ctl_table_header *tipc_ctl_hdr;
@@ -75,6 +75,13 @@ static struct ctl_table tipc_table[] = {
.extra1 = SYSCTL_ONE,
},
#endif
+ {
+ .procname = "bc_retruni",
+ .data = &sysctl_tipc_bc_retruni,
+ .maxlen = sizeof(sysctl_tipc_bc_retruni),
+ .mode = 0644,
+ .proc_handler = proc_doulongvec_minmax,
+ },
{}
};
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index 3a12fc18239b..1489cfb941d8 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -237,8 +237,8 @@ static void tipc_conn_delete_sub(struct tipc_conn *con, struct tipc_subscr *s)
if (!s || !memcmp(s, &sub->evt.s, sizeof(*s))) {
tipc_sub_unsubscribe(sub);
atomic_dec(&tn->subscription_count);
- } else if (s) {
- break;
+ if (s)
+ break;
}
}
spin_unlock_bh(&con->sub_lock);
@@ -362,9 +362,10 @@ static int tipc_conn_rcv_sub(struct tipc_topsrv *srv,
{
struct tipc_net *tn = tipc_net(srv->net);
struct tipc_subscription *sub;
+ u32 s_filter = tipc_sub_read(s, filter);
- if (tipc_sub_read(s, filter) & TIPC_SUB_CANCEL) {
- s->filter &= __constant_ntohl(~TIPC_SUB_CANCEL);
+ if (s_filter & TIPC_SUB_CANCEL) {
+ tipc_sub_write(s, filter, s_filter & ~TIPC_SUB_CANCEL);
tipc_conn_delete_sub(con, s);
return 0;
}
@@ -400,12 +401,15 @@ static int tipc_conn_rcv_from_sock(struct tipc_conn *con)
return -EWOULDBLOCK;
if (ret == sizeof(s)) {
read_lock_bh(&sk->sk_callback_lock);
- ret = tipc_conn_rcv_sub(srv, con, &s);
+ /* RACE: the connection can be closed in the meantime */
+ if (likely(connected(con)))
+ ret = tipc_conn_rcv_sub(srv, con, &s);
read_unlock_bh(&sk->sk_callback_lock);
+ if (!ret)
+ return 0;
}
- if (ret < 0)
- tipc_conn_close(con);
+ tipc_conn_close(con);
return ret;
}
@@ -493,7 +497,6 @@ static void tipc_topsrv_listener_data_ready(struct sock *sk)
static int tipc_topsrv_create_listener(struct tipc_topsrv *srv)
{
- int imp = TIPC_CRITICAL_IMPORTANCE;
struct socket *lsock = NULL;
struct sockaddr_tipc saddr;
struct sock *sk;
@@ -510,8 +513,9 @@ static int tipc_topsrv_create_listener(struct tipc_topsrv *srv)
sk->sk_user_data = srv;
write_unlock_bh(&sk->sk_callback_lock);
- rc = kernel_setsockopt(lsock, SOL_TIPC, TIPC_IMPORTANCE,
- (char *)&imp, sizeof(imp));
+ lock_sock(sk);
+ rc = tsk_set_importance(sk, TIPC_CRITICAL_IMPORTANCE);
+ release_sock(sk);
if (rc < 0)
goto err;
diff --git a/net/tipc/trace.h b/net/tipc/trace.h
index 4d8e00483afc..04af83f0500c 100644
--- a/net/tipc/trace.h
+++ b/net/tipc/trace.h
@@ -255,7 +255,7 @@ DECLARE_EVENT_CLASS(tipc_link_class,
TP_fast_assign(
__assign_str(header, header);
- tipc_link_name_ext(l, __entry->name);
+ memcpy(__entry->name, tipc_link_name(l), TIPC_MAX_LINK_NAME);
tipc_link_dump(l, dqueues, __get_str(buf));
),
@@ -295,12 +295,14 @@ DECLARE_EVENT_CLASS(tipc_link_transmq_class,
),
TP_fast_assign(
- tipc_link_name_ext(r, __entry->name);
+ memcpy(__entry->name, tipc_link_name(r), TIPC_MAX_LINK_NAME);
__entry->from = f;
__entry->to = t;
__entry->len = skb_queue_len(tq);
- __entry->fseqno = msg_seqno(buf_msg(skb_peek(tq)));
- __entry->lseqno = msg_seqno(buf_msg(skb_peek_tail(tq)));
+ __entry->fseqno = __entry->len ?
+ msg_seqno(buf_msg(skb_peek(tq))) : 0;
+ __entry->lseqno = __entry->len ?
+ msg_seqno(buf_msg(skb_peek_tail(tq))) : 0;
),
TP_printk("<%s> retrans req: [%u-%u] transmq: %u [%u-%u]\n",
@@ -308,15 +310,16 @@ DECLARE_EVENT_CLASS(tipc_link_transmq_class,
__entry->len, __entry->fseqno, __entry->lseqno)
);
-DEFINE_EVENT(tipc_link_transmq_class, tipc_link_retrans,
+DEFINE_EVENT_CONDITION(tipc_link_transmq_class, tipc_link_retrans,
TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
- TP_ARGS(r, f, t, tq)
+ TP_ARGS(r, f, t, tq),
+ TP_CONDITION(less_eq(f, t))
);
DEFINE_EVENT_PRINT(tipc_link_transmq_class, tipc_link_bc_ack,
TP_PROTO(struct tipc_link *r, u16 f, u16 t, struct sk_buff_head *tq),
TP_ARGS(r, f, t, tq),
- TP_printk("<%s> acked: [%u-%u] transmq: %u [%u-%u]\n",
+ TP_printk("<%s> acked: %u gap: %u transmq: %u [%u-%u]\n",
__entry->name, __entry->from, __entry->to,
__entry->len, __entry->fseqno, __entry->lseqno)
);
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index d6620ad53546..28a283f26a8d 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -161,9 +161,11 @@ static int tipc_udp_xmit(struct net *net, struct sk_buff *skb,
struct udp_bearer *ub, struct udp_media_addr *src,
struct udp_media_addr *dst, struct dst_cache *cache)
{
- struct dst_entry *ndst = dst_cache_get(cache);
+ struct dst_entry *ndst;
int ttl, err = 0;
+ local_bh_disable();
+ ndst = dst_cache_get(cache);
if (dst->proto == htons(ETH_P_IP)) {
struct rtable *rt = (struct rtable *)ndst;
@@ -210,9 +212,11 @@ static int tipc_udp_xmit(struct net *net, struct sk_buff *skb,
src->port, dst->port, false);
#endif
}
+ local_bh_enable();
return err;
tx_error:
+ local_bh_enable();
kfree_skb(skb);
return err;
}
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index a562ebaaa33c..0e55f8365ce2 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -694,10 +694,11 @@ void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_offload_context_rx *rx_ctx;
+ bool is_req_pending, is_force_resync;
u8 rcd_sn[TLS_MAX_REC_SEQ_SIZE];
- u32 sock_data, is_req_pending;
struct tls_prot_info *prot;
s64 resync_req;
+ u32 sock_data;
u32 req_seq;
if (tls_ctx->rx_conf != TLS_HW)
@@ -712,9 +713,11 @@ void tls_device_rx_resync_new_rec(struct sock *sk, u32 rcd_len, u32 seq)
resync_req = atomic64_read(&rx_ctx->resync_req);
req_seq = resync_req >> 32;
seq += TLS_HEADER_SIZE - 1;
- is_req_pending = resync_req;
+ is_req_pending = resync_req & RESYNC_REQ;
+ is_force_resync = resync_req & RESYNC_REQ_FORCE;
- if (likely(!is_req_pending) || req_seq != seq ||
+ if (likely(!is_req_pending) ||
+ (!is_force_resync && req_seq != seq) ||
!atomic64_try_cmpxchg(&rx_ctx->resync_req, &resync_req, 0))
return;
break;
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index c98e602a1a2d..24f64bc0de18 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -206,10 +206,12 @@ static void tls_decrypt_done(struct crypto_async_request *req, int err)
kfree(aead_req);
+ spin_lock_bh(&ctx->decrypt_compl_lock);
pending = atomic_dec_return(&ctx->decrypt_pending);
- if (!pending && READ_ONCE(ctx->async_notify))
+ if (!pending && ctx->async_notify)
complete(&ctx->async_wait.completion);
+ spin_unlock_bh(&ctx->decrypt_compl_lock);
}
static int tls_do_decryption(struct sock *sk,
@@ -467,10 +469,12 @@ static void tls_encrypt_done(struct crypto_async_request *req, int err)
ready = true;
}
+ spin_lock_bh(&ctx->encrypt_compl_lock);
pending = atomic_dec_return(&ctx->encrypt_pending);
- if (!pending && READ_ONCE(ctx->async_notify))
+ if (!pending && ctx->async_notify)
complete(&ctx->async_wait.completion);
+ spin_unlock_bh(&ctx->encrypt_compl_lock);
if (!ready)
return;
@@ -780,7 +784,7 @@ static int tls_push_record(struct sock *sk, int flags,
static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk,
bool full_record, u8 record_type,
- size_t *copied, int flags)
+ ssize_t *copied, int flags)
{
struct tls_context *tls_ctx = tls_get_ctx(sk);
struct tls_sw_context_tx *ctx = tls_sw_ctx_tx(tls_ctx);
@@ -796,10 +800,13 @@ static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk,
psock = sk_psock_get(sk);
if (!psock || !policy) {
err = tls_push_record(sk, flags, record_type);
- if (err && err != -EINPROGRESS) {
+ if (err && sk->sk_err == EBADMSG) {
*copied -= sk_msg_free(sk, msg);
tls_free_open_rec(sk);
+ err = -sk->sk_err;
}
+ if (psock)
+ sk_psock_put(sk, psock);
return err;
}
more_data:
@@ -822,9 +829,10 @@ more_data:
switch (psock->eval) {
case __SK_PASS:
err = tls_push_record(sk, flags, record_type);
- if (err && err != -EINPROGRESS) {
+ if (err && sk->sk_err == EBADMSG) {
*copied -= sk_msg_free(sk, msg);
tls_free_open_rec(sk);
+ err = -sk->sk_err;
goto out_err;
}
break;
@@ -914,7 +922,8 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
unsigned char record_type = TLS_RECORD_TYPE_DATA;
bool is_kvec = iov_iter_is_kvec(&msg->msg_iter);
bool eor = !(msg->msg_flags & MSG_MORE);
- size_t try_to_copy, copied = 0;
+ size_t try_to_copy;
+ ssize_t copied = 0;
struct sk_msg *msg_pl, *msg_en;
struct tls_rec *rec;
int required_size;
@@ -924,6 +933,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
int num_zc = 0;
int orig_size;
int ret = 0;
+ int pending;
if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
return -EOPNOTSUPP;
@@ -1090,13 +1100,19 @@ trim_sgl:
goto send_end;
} else if (num_zc) {
/* Wait for pending encryptions to get completed */
- smp_store_mb(ctx->async_notify, true);
+ spin_lock_bh(&ctx->encrypt_compl_lock);
+ ctx->async_notify = true;
- if (atomic_read(&ctx->encrypt_pending))
+ pending = atomic_read(&ctx->encrypt_pending);
+ spin_unlock_bh(&ctx->encrypt_compl_lock);
+ if (pending)
crypto_wait_req(-EINPROGRESS, &ctx->async_wait);
else
reinit_completion(&ctx->async_wait.completion);
+ /* There can be no concurrent accesses, since we have no
+ * pending encrypt operations
+ */
WRITE_ONCE(ctx->async_notify, false);
if (ctx->async_wait.err) {
@@ -1116,7 +1132,7 @@ send_end:
release_sock(sk);
mutex_unlock(&tls_ctx->tx_lock);
- return copied ? copied : ret;
+ return copied > 0 ? copied : ret;
}
static int tls_sw_do_sendpage(struct sock *sk, struct page *page,
@@ -1130,7 +1146,7 @@ static int tls_sw_do_sendpage(struct sock *sk, struct page *page,
struct sk_msg *msg_pl;
struct tls_rec *rec;
int num_async = 0;
- size_t copied = 0;
+ ssize_t copied = 0;
bool full_record;
int record_room;
int ret = 0;
@@ -1232,7 +1248,7 @@ wait_for_memory:
}
sendpage_end:
ret = sk_stream_error(sk, flags, ret);
- return copied ? copied : ret;
+ return copied > 0 ? copied : ret;
}
int tls_sw_sendpage_locked(struct sock *sk, struct page *page,
@@ -1726,7 +1742,9 @@ int tls_sw_recvmsg(struct sock *sk,
long timeo;
bool is_kvec = iov_iter_is_kvec(&msg->msg_iter);
bool is_peek = flags & MSG_PEEK;
+ bool bpf_strp_enabled;
int num_async = 0;
+ int pending;
flags |= nonblock;
@@ -1735,6 +1753,7 @@ int tls_sw_recvmsg(struct sock *sk,
psock = sk_psock_get(sk);
lock_sock(sk);
+ bpf_strp_enabled = sk_psock_strp_enabled(psock);
/* Process pending decrypted records. It must be non-zero-copy */
err = process_rx_list(ctx, msg, &control, &cmsg, 0, len, false,
@@ -1788,11 +1807,12 @@ int tls_sw_recvmsg(struct sock *sk,
if (to_decrypt <= len && !is_kvec && !is_peek &&
ctx->control == TLS_RECORD_TYPE_DATA &&
- prot->version != TLS_1_3_VERSION)
+ prot->version != TLS_1_3_VERSION &&
+ !bpf_strp_enabled)
zc = true;
/* Do not use async mode if record is non-data */
- if (ctx->control == TLS_RECORD_TYPE_DATA)
+ if (ctx->control == TLS_RECORD_TYPE_DATA && !bpf_strp_enabled)
async_capable = ctx->async_capable;
else
async_capable = false;
@@ -1842,6 +1862,19 @@ int tls_sw_recvmsg(struct sock *sk,
goto pick_next_record;
if (!zc) {
+ if (bpf_strp_enabled) {
+ err = sk_psock_tls_strp_read(psock, skb);
+ if (err != __SK_PASS) {
+ rxm->offset = rxm->offset + rxm->full_len;
+ rxm->full_len = 0;
+ if (err == __SK_DROP)
+ consume_skb(skb);
+ ctx->recv_pkt = NULL;
+ __strp_unpause(&ctx->strp);
+ continue;
+ }
+ }
+
if (rxm->full_len > len) {
retain_skb = true;
chunk = len;
@@ -1889,8 +1922,11 @@ pick_next_record:
recv_end:
if (num_async) {
/* Wait for all previously submitted records to be decrypted */
- smp_store_mb(ctx->async_notify, true);
- if (atomic_read(&ctx->decrypt_pending)) {
+ spin_lock_bh(&ctx->decrypt_compl_lock);
+ ctx->async_notify = true;
+ pending = atomic_read(&ctx->decrypt_pending);
+ spin_unlock_bh(&ctx->decrypt_compl_lock);
+ if (pending) {
err = crypto_wait_req(-EINPROGRESS, &ctx->async_wait);
if (err) {
/* one of async decrypt failed */
@@ -1902,6 +1938,10 @@ recv_end:
} else {
reinit_completion(&ctx->async_wait.completion);
}
+
+ /* There can be no concurrent accesses, since we have no
+ * pending decrypt operations
+ */
WRITE_ONCE(ctx->async_notify, false);
/* Drain records from the rx_list & copy if required */
@@ -2081,8 +2121,9 @@ static void tls_data_ready(struct sock *sk)
strp_data_ready(&ctx->strp);
psock = sk_psock_get(sk);
- if (psock && !list_empty(&psock->ingress_msg)) {
- ctx->saved_data_ready(sk);
+ if (psock) {
+ if (!list_empty(&psock->ingress_msg))
+ ctx->saved_data_ready(sk);
sk_psock_put(sk, psock);
}
}
@@ -2287,6 +2328,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
if (tx) {
crypto_init_wait(&sw_ctx_tx->async_wait);
+ spin_lock_init(&sw_ctx_tx->encrypt_compl_lock);
crypto_info = &ctx->crypto_send.info;
cctx = &ctx->tx;
aead = &sw_ctx_tx->aead_send;
@@ -2295,6 +2337,7 @@ int tls_set_sw_offload(struct sock *sk, struct tls_context *ctx, int tx)
sw_ctx_tx->tx_work.sk = sk;
} else {
crypto_init_wait(&sw_ctx_rx->async_wait);
+ spin_lock_init(&sw_ctx_rx->decrypt_compl_lock);
crypto_info = &ctx->crypto_recv.info;
cctx = &ctx->rx;
skb_queue_head_init(&sw_ctx_rx->rx_list);
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index a5f28708e0e7..626bf9044418 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1408,7 +1408,7 @@ static int vsock_accept(struct socket *sock, struct socket *newsock, int flags,
/* Wait for children sockets to appear; these are the new sockets
* created upon connection establishment.
*/
- timeout = sock_sndtimeo(listener, flags & O_NONBLOCK);
+ timeout = sock_rcvtimeo(listener, flags & O_NONBLOCK);
prepare_to_wait(sk_sleep(listener), &wait, TASK_INTERRUPTIBLE);
while ((connected = vsock_dequeue_accept(listener)) == NULL &&
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 709038a4783e..0edda1edf988 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -157,7 +157,11 @@ static struct sk_buff *virtio_transport_build_skb(void *opaque)
void virtio_transport_deliver_tap_pkt(struct virtio_vsock_pkt *pkt)
{
+ if (pkt->tap_delivered)
+ return;
+
vsock_deliver_tap(virtio_transport_build_skb, pkt);
+ pkt->tap_delivered = true;
}
EXPORT_SYMBOL_GPL(virtio_transport_deliver_tap_pkt);
@@ -1128,6 +1132,14 @@ void virtio_transport_recv_pkt(struct virtio_transport *t,
lock_sock(sk);
+ /* Check if sk has been released before lock_sock */
+ if (sk->sk_shutdown == SHUTDOWN_MASK) {
+ (void)virtio_transport_reset_no_sock(t, pkt);
+ release_sock(sk);
+ sock_put(sk);
+ goto free_pkt;
+ }
+
/* Update CID in case it has changed after a transport reset event */
vsk->local_addr.svm_cid = dst.svm_cid;
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 63cf7131f601..813e93644ae7 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -181,8 +181,8 @@ config CFG80211_CRDA_SUPPORT
default y
help
You should enable this option unless you know for sure you have no
- need for it, for example when using internal regdb (above) or the
- database loaded as a firmware file.
+ need for it, for example when using the regulatory database loaded as
+ a firmware file.
If unsure, say Y.
diff --git a/net/wireless/chan.c b/net/wireless/chan.c
index fcac5c6366e1..cddf92c5d09e 100644
--- a/net/wireless/chan.c
+++ b/net/wireless/chan.c
@@ -6,7 +6,7 @@
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- * Copyright 2018 Intel Corporation
+ * Copyright 2018-2020 Intel Corporation
*/
#include <linux/export.h>
@@ -27,6 +27,7 @@ void cfg80211_chandef_create(struct cfg80211_chan_def *chandef,
return;
chandef->chan = chan;
+ chandef->freq1_offset = chan->freq_offset;
chandef->center_freq2 = 0;
chandef->edmg.bw_config = 0;
chandef->edmg.channels = 0;
@@ -146,6 +147,9 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
if (!chandef->chan)
return false;
+ if (chandef->freq1_offset >= 1000)
+ return false;
+
control_freq = chandef->chan->center_freq;
switch (chandef->width) {
@@ -153,7 +157,8 @@ bool cfg80211_chandef_valid(const struct cfg80211_chan_def *chandef)
case NL80211_CHAN_WIDTH_10:
case NL80211_CHAN_WIDTH_20:
case NL80211_CHAN_WIDTH_20_NOHT:
- if (chandef->center_freq1 != control_freq)
+ if (ieee80211_chandef_to_khz(chandef) !=
+ ieee80211_channel_to_khz(chandef->chan))
return false;
if (chandef->center_freq2)
return false;
@@ -386,10 +391,11 @@ static u32 cfg80211_get_start_freq(u32 center_freq,
{
u32 start_freq;
- if (bandwidth <= 20)
+ bandwidth = MHZ_TO_KHZ(bandwidth);
+ if (bandwidth <= MHZ_TO_KHZ(20))
start_freq = center_freq;
else
- start_freq = center_freq - bandwidth/2 + 10;
+ start_freq = center_freq - bandwidth / 2 + MHZ_TO_KHZ(10);
return start_freq;
}
@@ -399,10 +405,11 @@ static u32 cfg80211_get_end_freq(u32 center_freq,
{
u32 end_freq;
- if (bandwidth <= 20)
+ bandwidth = MHZ_TO_KHZ(bandwidth);
+ if (bandwidth <= MHZ_TO_KHZ(20))
end_freq = center_freq;
else
- end_freq = center_freq + bandwidth/2 - 10;
+ end_freq = center_freq + bandwidth / 2 - MHZ_TO_KHZ(10);
return end_freq;
}
@@ -417,8 +424,8 @@ static int cfg80211_get_chans_dfs_required(struct wiphy *wiphy,
start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
- for (freq = start_freq; freq <= end_freq; freq += 20) {
- c = ieee80211_get_channel(wiphy, freq);
+ for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) {
+ c = ieee80211_get_channel_khz(wiphy, freq);
if (!c)
return -EINVAL;
@@ -449,8 +456,8 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
return -EINVAL;
ret = cfg80211_get_chans_dfs_required(wiphy,
- chandef->center_freq1,
- width);
+ ieee80211_chandef_to_khz(chandef),
+ width);
if (ret < 0)
return ret;
else if (ret > 0)
@@ -460,8 +467,8 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
return 0;
ret = cfg80211_get_chans_dfs_required(wiphy,
- chandef->center_freq2,
- width);
+ MHZ_TO_KHZ(chandef->center_freq2),
+ width);
if (ret < 0)
return ret;
else if (ret > 0)
@@ -503,8 +510,8 @@ static int cfg80211_get_chans_dfs_usable(struct wiphy *wiphy,
* DFS_AVAILABLE). Return number of usable channels
* (require CAC). Allow DFS and non-DFS channel mix.
*/
- for (freq = start_freq; freq <= end_freq; freq += 20) {
- c = ieee80211_get_channel(wiphy, freq);
+ for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) {
+ c = ieee80211_get_channel_khz(wiphy, freq);
if (!c)
return -EINVAL;
@@ -536,8 +543,9 @@ bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
if (width < 0)
return false;
- r1 = cfg80211_get_chans_dfs_usable(wiphy, chandef->center_freq1,
- width);
+ r1 = cfg80211_get_chans_dfs_usable(wiphy,
+ MHZ_TO_KHZ(chandef->center_freq1),
+ width);
if (r1 < 0)
return false;
@@ -546,8 +554,8 @@ bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
case NL80211_CHAN_WIDTH_80P80:
WARN_ON(!chandef->center_freq2);
r2 = cfg80211_get_chans_dfs_usable(wiphy,
- chandef->center_freq2,
- width);
+ MHZ_TO_KHZ(chandef->center_freq2),
+ width);
if (r2 < 0)
return false;
break;
@@ -694,8 +702,8 @@ static bool cfg80211_get_chans_dfs_available(struct wiphy *wiphy,
* If any channel in between is disabled or has not
* had gone through CAC return false
*/
- for (freq = start_freq; freq <= end_freq; freq += 20) {
- c = ieee80211_get_channel(wiphy, freq);
+ for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) {
+ c = ieee80211_get_channel_khz(wiphy, freq);
if (!c)
return false;
@@ -724,7 +732,8 @@ static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy,
if (width < 0)
return false;
- r = cfg80211_get_chans_dfs_available(wiphy, chandef->center_freq1,
+ r = cfg80211_get_chans_dfs_available(wiphy,
+ MHZ_TO_KHZ(chandef->center_freq1),
width);
/* If any of channels unavailable for cf1 just return */
@@ -735,8 +744,8 @@ static bool cfg80211_chandef_dfs_available(struct wiphy *wiphy,
case NL80211_CHAN_WIDTH_80P80:
WARN_ON(!chandef->center_freq2);
r = cfg80211_get_chans_dfs_available(wiphy,
- chandef->center_freq2,
- width);
+ MHZ_TO_KHZ(chandef->center_freq2),
+ width);
break;
default:
WARN_ON(chandef->center_freq2);
@@ -757,8 +766,8 @@ static unsigned int cfg80211_get_chans_dfs_cac_time(struct wiphy *wiphy,
start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
- for (freq = start_freq; freq <= end_freq; freq += 20) {
- c = ieee80211_get_channel(wiphy, freq);
+ for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) {
+ c = ieee80211_get_channel_khz(wiphy, freq);
if (!c)
return 0;
@@ -790,14 +799,14 @@ cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
return 0;
t1 = cfg80211_get_chans_dfs_cac_time(wiphy,
- chandef->center_freq1,
+ MHZ_TO_KHZ(chandef->center_freq1),
width);
if (!chandef->center_freq2)
return t1;
t2 = cfg80211_get_chans_dfs_cac_time(wiphy,
- chandef->center_freq2,
+ MHZ_TO_KHZ(chandef->center_freq2),
width);
return max(t1, t2);
@@ -813,8 +822,8 @@ static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
start_freq = cfg80211_get_start_freq(center_freq, bandwidth);
end_freq = cfg80211_get_end_freq(center_freq, bandwidth);
- for (freq = start_freq; freq <= end_freq; freq += 20) {
- c = ieee80211_get_channel(wiphy, freq);
+ for (freq = start_freq; freq <= end_freq; freq += MHZ_TO_KHZ(20)) {
+ c = ieee80211_get_channel_khz(wiphy, freq);
if (!c || c->flags & prohibited_flags)
return false;
}
@@ -910,7 +919,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
width = 10;
break;
case NL80211_CHAN_WIDTH_20:
- if (!ht_cap->ht_supported)
+ if (!ht_cap->ht_supported &&
+ chandef->chan->band != NL80211_BAND_6GHZ)
return false;
/* fall through */
case NL80211_CHAN_WIDTH_20_NOHT:
@@ -919,6 +929,8 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
break;
case NL80211_CHAN_WIDTH_40:
width = 40;
+ if (chandef->chan->band == NL80211_BAND_6GHZ)
+ break;
if (!ht_cap->ht_supported)
return false;
if (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
@@ -933,24 +945,29 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
break;
case NL80211_CHAN_WIDTH_80P80:
cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
- if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
+ if (chandef->chan->band != NL80211_BAND_6GHZ &&
+ cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return false;
/* fall through */
case NL80211_CHAN_WIDTH_80:
- if (!vht_cap->vht_supported)
- return false;
prohibited_flags |= IEEE80211_CHAN_NO_80MHZ;
width = 80;
+ if (chandef->chan->band == NL80211_BAND_6GHZ)
+ break;
+ if (!vht_cap->vht_supported)
+ return false;
break;
case NL80211_CHAN_WIDTH_160:
+ prohibited_flags |= IEEE80211_CHAN_NO_160MHZ;
+ width = 160;
+ if (chandef->chan->band == NL80211_BAND_6GHZ)
+ break;
if (!vht_cap->vht_supported)
return false;
cap = vht_cap->cap & IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK;
if (cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ &&
cap != IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)
return false;
- prohibited_flags |= IEEE80211_CHAN_NO_160MHZ;
- width = 160;
break;
default:
WARN_ON_ONCE(1);
@@ -976,13 +993,15 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
prohibited_flags |= IEEE80211_CHAN_NO_OFDM;
- if (!cfg80211_secondary_chans_ok(wiphy, chandef->center_freq1,
+ if (!cfg80211_secondary_chans_ok(wiphy,
+ ieee80211_chandef_to_khz(chandef),
width, prohibited_flags))
return false;
if (!chandef->center_freq2)
return true;
- return cfg80211_secondary_chans_ok(wiphy, chandef->center_freq2,
+ return cfg80211_secondary_chans_ok(wiphy,
+ MHZ_TO_KHZ(chandef->center_freq2),
width, prohibited_flags);
}
EXPORT_SYMBOL(cfg80211_chandef_usable);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 341402b4f178..f0226ae9561c 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -142,7 +142,7 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
if (result)
return result;
- if (rdev->wiphy.debugfsdir)
+ if (!IS_ERR_OR_NULL(rdev->wiphy.debugfsdir))
debugfs_rename(rdev->wiphy.debugfsdir->d_parent,
rdev->wiphy.debugfsdir,
rdev->wiphy.debugfsdir->d_parent, newname);
@@ -480,9 +480,6 @@ use_default_name:
INIT_LIST_HEAD(&rdev->bss_list);
INIT_LIST_HEAD(&rdev->sched_scan_req_list);
INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done);
- INIT_LIST_HEAD(&rdev->mlme_unreg);
- spin_lock_init(&rdev->mlme_unreg_lock);
- INIT_WORK(&rdev->mlme_unreg_wk, cfg80211_mlme_unreg_wk);
INIT_DELAYED_WORK(&rdev->dfs_update_channels_wk,
cfg80211_dfs_channels_update_work);
#ifdef CONFIG_CFG80211_WEXT
@@ -794,6 +791,7 @@ int wiphy_register(struct wiphy *wiphy)
/* sanity check supported bands/channels */
for (band = 0; band < NUM_NL80211_BANDS; band++) {
u16 types = 0;
+ bool have_he = false;
sband = wiphy->bands[band];
if (!sband)
@@ -810,6 +808,11 @@ int wiphy_register(struct wiphy *wiphy)
!sband->n_bitrates))
return -EINVAL;
+ if (WARN_ON(band == NL80211_BAND_6GHZ &&
+ (sband->ht_cap.ht_supported ||
+ sband->vht_cap.vht_supported)))
+ return -EINVAL;
+
/*
* Since cfg80211_disable_40mhz_24ghz is global, we can
* modify the sband's ht data even if the driver uses a
@@ -837,6 +840,9 @@ int wiphy_register(struct wiphy *wiphy)
sband->channels[i].orig_mpwr =
sband->channels[i].max_power;
sband->channels[i].band = band;
+
+ if (WARN_ON(sband->channels[i].freq_offset >= 1000))
+ return -EINVAL;
}
for (i = 0; i < sband->n_iftype_data; i++) {
@@ -854,8 +860,17 @@ int wiphy_register(struct wiphy *wiphy)
return -EINVAL;
types |= iftd->types_mask;
+
+ if (i == 0)
+ have_he = iftd->he_cap.has_he;
+ else
+ have_he = have_he &&
+ iftd->he_cap.has_he;
}
+ if (WARN_ON(!have_he && band == NL80211_BAND_6GHZ))
+ return -EINVAL;
+
have_band = true;
}
@@ -1030,7 +1045,6 @@ void wiphy_unregister(struct wiphy *wiphy)
cancel_delayed_work_sync(&rdev->dfs_update_channels_wk);
flush_work(&rdev->destroy_work);
flush_work(&rdev->sched_scan_stop_wk);
- flush_work(&rdev->mlme_unreg_wk);
flush_work(&rdev->propagate_radar_detect_wk);
flush_work(&rdev->propagate_cac_done_wk);
@@ -1094,6 +1108,7 @@ static void __cfg80211_unregister_wdev(struct wireless_dev *wdev, bool sync)
rdev->devlist_generation++;
cfg80211_mlme_purge_registrations(wdev);
+ flush_work(&wdev->mgmt_registrations_update_wk);
switch (wdev->iftype) {
case NL80211_IFTYPE_P2P_DEVICE:
@@ -1238,6 +1253,8 @@ void cfg80211_init_wdev(struct cfg80211_registered_device *rdev,
spin_lock_init(&wdev->event_lock);
INIT_LIST_HEAD(&wdev->mgmt_registrations);
spin_lock_init(&wdev->mgmt_registrations_lock);
+ INIT_WORK(&wdev->mgmt_registrations_update_wk,
+ cfg80211_mgmt_registrations_update_wk);
INIT_LIST_HEAD(&wdev->pmsr_list);
spin_lock_init(&wdev->pmsr_lock);
INIT_WORK(&wdev->pmsr_free_wk, cfg80211_pmsr_free_wk);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index bb897a803ffe..e0e5b3ee9699 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -60,10 +60,6 @@ struct cfg80211_registered_device {
struct list_head beacon_registrations;
spinlock_t beacon_registrations_lock;
- struct list_head mlme_unreg;
- spinlock_t mlme_unreg_lock;
- struct work_struct mlme_unreg_wk;
-
/* protected by RTNL only */
int num_running_ifaces;
int num_running_monitor_ifaces;
@@ -290,7 +286,7 @@ struct cfg80211_cqm_config {
u32 rssi_hyst;
s32 last_rssi_event_value;
int n_rssi_thresholds;
- s32 rssi_thresholds[0];
+ s32 rssi_thresholds[];
};
void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
@@ -385,8 +381,9 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
struct net_device *dev);
int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
u16 frame_type, const u8 *match_data,
- int match_len, struct netlink_ext_ack *extack);
-void cfg80211_mlme_unreg_wk(struct work_struct *wk);
+ int match_len, bool multicast_rx,
+ struct netlink_ext_ack *extack);
+void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index e4805a3bd310..189334314cba 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -426,58 +426,62 @@ struct cfg80211_mgmt_registration {
__le16 frame_type;
+ bool multicast_rx;
+
u8 match[];
};
-static void
-cfg80211_process_mlme_unregistrations(struct cfg80211_registered_device *rdev)
+static void cfg80211_mgmt_registrations_update(struct wireless_dev *wdev)
{
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct wireless_dev *tmp;
struct cfg80211_mgmt_registration *reg;
+ struct mgmt_frame_regs upd = {};
ASSERT_RTNL();
- spin_lock_bh(&rdev->mlme_unreg_lock);
- while ((reg = list_first_entry_or_null(&rdev->mlme_unreg,
- struct cfg80211_mgmt_registration,
- list))) {
- list_del(&reg->list);
- spin_unlock_bh(&rdev->mlme_unreg_lock);
+ rcu_read_lock();
+ list_for_each_entry_rcu(tmp, &rdev->wiphy.wdev_list, list) {
+ list_for_each_entry_rcu(reg, &tmp->mgmt_registrations, list) {
+ u32 mask = BIT(le16_to_cpu(reg->frame_type) >> 4);
+ u32 mcast_mask = 0;
- if (rdev->ops->mgmt_frame_register) {
- u16 frame_type = le16_to_cpu(reg->frame_type);
+ if (reg->multicast_rx)
+ mcast_mask = mask;
- rdev_mgmt_frame_register(rdev, reg->wdev,
- frame_type, false);
- }
+ upd.global_stypes |= mask;
+ upd.global_mcast_stypes |= mcast_mask;
- kfree(reg);
-
- spin_lock_bh(&rdev->mlme_unreg_lock);
+ if (tmp == wdev) {
+ upd.interface_stypes |= mask;
+ upd.interface_mcast_stypes |= mcast_mask;
+ }
+ }
}
- spin_unlock_bh(&rdev->mlme_unreg_lock);
+ rcu_read_unlock();
+
+ rdev_update_mgmt_frame_registrations(rdev, wdev, &upd);
}
-void cfg80211_mlme_unreg_wk(struct work_struct *wk)
+void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk)
{
- struct cfg80211_registered_device *rdev;
-
- rdev = container_of(wk, struct cfg80211_registered_device,
- mlme_unreg_wk);
+ struct wireless_dev *wdev = container_of(wk, struct wireless_dev,
+ mgmt_registrations_update_wk);
rtnl_lock();
- cfg80211_process_mlme_unregistrations(rdev);
+ cfg80211_mgmt_registrations_update(wdev);
rtnl_unlock();
}
int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
u16 frame_type, const u8 *match_data,
- int match_len, struct netlink_ext_ack *extack)
+ int match_len, bool multicast_rx,
+ struct netlink_ext_ack *extack)
{
- struct wiphy *wiphy = wdev->wiphy;
- struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct cfg80211_mgmt_registration *reg, *nreg;
int err = 0;
u16 mgmt_type;
+ bool update_multicast = false;
if (!wdev->wiphy->mgmt_stypes)
return -EOPNOTSUPP;
@@ -528,34 +532,39 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
continue;
if (memcmp(reg->match, match_data, mlen) == 0) {
+ if (reg->multicast_rx != multicast_rx) {
+ update_multicast = true;
+ reg->multicast_rx = multicast_rx;
+ break;
+ }
NL_SET_ERR_MSG(extack, "Match already configured");
err = -EALREADY;
break;
}
}
- if (err) {
- kfree(nreg);
+ if (err)
goto out;
- }
- memcpy(nreg->match, match_data, match_len);
- nreg->match_len = match_len;
- nreg->nlportid = snd_portid;
- nreg->frame_type = cpu_to_le16(frame_type);
- nreg->wdev = wdev;
- list_add(&nreg->list, &wdev->mgmt_registrations);
+ if (update_multicast) {
+ kfree(nreg);
+ } else {
+ memcpy(nreg->match, match_data, match_len);
+ nreg->match_len = match_len;
+ nreg->nlportid = snd_portid;
+ nreg->frame_type = cpu_to_le16(frame_type);
+ nreg->wdev = wdev;
+ nreg->multicast_rx = multicast_rx;
+ list_add(&nreg->list, &wdev->mgmt_registrations);
+ }
spin_unlock_bh(&wdev->mgmt_registrations_lock);
- /* process all unregistrations to avoid driver confusion */
- cfg80211_process_mlme_unregistrations(rdev);
-
- if (rdev->ops->mgmt_frame_register)
- rdev_mgmt_frame_register(rdev, wdev, frame_type, true);
+ cfg80211_mgmt_registrations_update(wdev);
return 0;
out:
+ kfree(nreg);
spin_unlock_bh(&wdev->mgmt_registrations_lock);
return err;
@@ -574,11 +583,9 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid)
continue;
list_del(&reg->list);
- spin_lock(&rdev->mlme_unreg_lock);
- list_add_tail(&reg->list, &rdev->mlme_unreg);
- spin_unlock(&rdev->mlme_unreg_lock);
+ kfree(reg);
- schedule_work(&rdev->mlme_unreg_wk);
+ schedule_work(&wdev->mgmt_registrations_update_wk);
}
spin_unlock_bh(&wdev->mgmt_registrations_lock);
@@ -594,15 +601,16 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid)
void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
{
- struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ struct cfg80211_mgmt_registration *reg, *tmp;
spin_lock_bh(&wdev->mgmt_registrations_lock);
- spin_lock(&rdev->mlme_unreg_lock);
- list_splice_tail_init(&wdev->mgmt_registrations, &rdev->mlme_unreg);
- spin_unlock(&rdev->mlme_unreg_lock);
+ list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
+ list_del(&reg->list);
+ kfree(reg);
+ }
spin_unlock_bh(&wdev->mgmt_registrations_lock);
- cfg80211_process_mlme_unregistrations(rdev);
+ cfg80211_mgmt_registrations_update(wdev);
}
int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
@@ -721,8 +729,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
return rdev_mgmt_tx(rdev, wdev, params, cookie);
}
-bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
- const u8 *buf, size_t len, u32 flags)
+bool cfg80211_rx_mgmt_khz(struct wireless_dev *wdev, int freq, int sig_dbm,
+ const u8 *buf, size_t len, u32 flags)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
@@ -777,7 +785,7 @@ bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_dbm,
trace_cfg80211_return_bool(result);
return result;
}
-EXPORT_SYMBOL(cfg80211_rx_mgmt);
+EXPORT_SYMBOL(cfg80211_rx_mgmt_khz);
void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev)
{
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 692bcd35f809..263ae395ad44 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -253,6 +253,8 @@ static int validate_ie_attr(const struct nlattr *attr,
}
/* policy for the attributes */
+static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
+
static const struct nla_policy
nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = {
[NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, },
@@ -296,11 +298,7 @@ nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = {
static const struct nla_policy
nl80211_psmr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = {
[NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR,
- /*
- * we could specify this again to be the top-level policy,
- * but that would open us up to recursion problems ...
- */
- [NL80211_PMSR_PEER_ATTR_CHAN] = { .type = NLA_NESTED },
+ [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy),
[NL80211_PMSR_PEER_ATTR_REQ] =
NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy),
[NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT },
@@ -331,6 +329,15 @@ he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = {
[NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG },
};
+static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
+ [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_RATES },
+ [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
+ .len = NL80211_MAX_SUPP_HT_RATES },
+ [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)),
+ [NL80211_TXRATE_GI] = { .type = NLA_U8 },
+};
+
static const struct nla_policy
nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
[NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 },
@@ -345,9 +352,15 @@ nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = {
NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] =
NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
+ [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] =
+ NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE),
+ [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] =
+ NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED),
+ [NL80211_TID_CONFIG_ATTR_TX_RATE] =
+ NLA_POLICY_NESTED(nl80211_txattr_policy),
};
-const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD },
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
@@ -365,6 +378,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 },
[NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 },
+ [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
[NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1),
@@ -378,11 +392,8 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
- [NL80211_ATTR_MAC] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
- [NL80211_ATTR_PREV_BSSID] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
+ [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_KEY] = { .type = NLA_NESTED, },
[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
@@ -434,10 +445,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
[NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
- [NL80211_ATTR_HT_CAPABILITY] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = NL80211_HT_CAPABILITY_LEN
- },
+ [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN),
[NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 },
[NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY,
@@ -468,10 +476,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
[NL80211_ATTR_PID] = { .type = NLA_U32 },
[NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
- [NL80211_ATTR_PMKID] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = WLAN_PMKID_LEN
- },
+ [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN),
[NL80211_ATTR_DURATION] = { .type = NLA_U32 },
[NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
[NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
@@ -535,10 +540,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_WDEV] = { .type = NLA_U64 },
[NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 },
[NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, },
- [NL80211_ATTR_VHT_CAPABILITY] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = NL80211_VHT_CAPABILITY_LEN
- },
+ [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN),
[NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
[NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127),
[NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1),
@@ -576,10 +578,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY },
[NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY,
.len = IEEE80211_QOS_MAP_LEN_MAX },
- [NL80211_ATTR_MAC_HINT] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 },
[NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 },
[NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG },
@@ -591,10 +590,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 },
[NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 },
[NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 },
- [NL80211_ATTR_MAC_MASK] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG },
[NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 },
[NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 },
@@ -606,21 +602,15 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MU_MIMO_GROUP_DATA] = {
.len = VHT_MUMIMO_GROUPS_DATA_LEN
},
- [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1),
[NL80211_ATTR_BANDS] = { .type = NLA_U32 },
[NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED },
[NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY,
.len = FILS_MAX_KEK_LEN },
- [NL80211_ATTR_FILS_NONCES] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = 2 * FILS_NONCE_LEN
- },
+ [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN),
[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, },
- [NL80211_ATTR_BSSID] = { .type = NLA_EXACT_LEN_WARN, .len = ETH_ALEN },
+ [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 },
[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = {
.len = sizeof(struct nl80211_bss_select_rssi_adjust)
@@ -633,7 +623,7 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 },
[NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY,
.len = FILS_ERP_MAX_RRK_LEN },
- [NL80211_ATTR_FILS_CACHE_ID] = { .type = NLA_EXACT_LEN_WARN, .len = 2 },
+ [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2),
[NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN },
[NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG },
[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG },
@@ -661,6 +651,13 @@ const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG },
[NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1),
[NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100),
+ [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG },
+ [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999),
+ [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED },
+ [NL80211_ATTR_HE_6GHZ_CAPABILITY] = {
+ .type = NLA_EXACT_LEN,
+ .len = sizeof(struct ieee80211_he_6ghz_capa),
+ },
};
/* policy for the key attributes */
@@ -703,10 +700,7 @@ static const struct nla_policy
nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = {
[NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 },
[NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 },
- [NL80211_WOWLAN_TCP_DST_MAC] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 },
[NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 },
[NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .type = NLA_MIN_LEN, .len = 1 },
@@ -737,17 +731,15 @@ nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = {
static const struct nla_policy
nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = {
[NL80211_REKEY_DATA_KEK] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = NL80211_KEK_LEN,
+ .type = NLA_BINARY,
+ .len = NL80211_KEK_EXT_LEN
},
[NL80211_REKEY_DATA_KCK] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = NL80211_KCK_LEN,
- },
- [NL80211_REKEY_DATA_REPLAY_CTR] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = NL80211_REPLAY_CTR_LEN
+ .type = NLA_BINARY,
+ .len = NL80211_KCK_EXT_LEN
},
+ [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN_WARN(NL80211_REPLAY_CTR_LEN),
+ [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 },
};
static const struct nla_policy
@@ -762,10 +754,7 @@ static const struct nla_policy
nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_SSID_LEN },
- [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] =
NLA_POLICY_NESTED(nl80211_match_band_rssi_policy),
@@ -797,10 +786,7 @@ nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
[NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
- [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = ETH_ALEN
- },
+ [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN),
[NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
[NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
[NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY,
@@ -945,6 +931,9 @@ static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy,
chan->center_freq))
goto nla_put_failure;
+ if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset))
+ goto nla_put_failure;
+
if ((chan->flags & IEEE80211_CHAN_DISABLED) &&
nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED))
goto nla_put_failure;
@@ -1350,13 +1339,11 @@ static int nl80211_key_allowed(struct wireless_dev *wdev)
}
static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy,
- struct nlattr *tb)
+ u32 freq)
{
struct ieee80211_channel *chan;
- if (tb == NULL)
- return NULL;
- chan = ieee80211_get_channel(wiphy, nla_get_u32(tb));
+ chan = ieee80211_get_channel_khz(wiphy, freq);
if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
return NULL;
return chan;
@@ -1582,6 +1569,7 @@ static int nl80211_send_coalesce(struct sk_buff *msg,
static int
nl80211_send_iftype_data(struct sk_buff *msg,
+ const struct ieee80211_supported_band *sband,
const struct ieee80211_sband_iftype_data *iftdata)
{
const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap;
@@ -1605,6 +1593,12 @@ nl80211_send_iftype_data(struct sk_buff *msg,
return -ENOBUFS;
}
+ if (sband->band == NL80211_BAND_6GHZ &&
+ nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA,
+ sizeof(iftdata->he_6ghz_capa),
+ &iftdata->he_6ghz_capa))
+ return -ENOBUFS;
+
return 0;
}
@@ -1653,7 +1647,7 @@ static int nl80211_send_band_rateinfo(struct sk_buff *msg,
if (!iftdata)
return -ENOBUFS;
- err = nl80211_send_iftype_data(msg,
+ err = nl80211_send_iftype_data(msg, sband,
&sband->iftype_data[i]);
if (err)
return err;
@@ -2811,13 +2805,17 @@ int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
if (!attrs[NL80211_ATTR_WIPHY_FREQ])
return -EINVAL;
- control_freq = nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]);
+ control_freq = MHZ_TO_KHZ(
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
+ control_freq +=
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
memset(chandef, 0, sizeof(*chandef));
-
- chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq);
+ chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq);
chandef->width = NL80211_CHAN_WIDTH_20_NOHT;
- chandef->center_freq1 = control_freq;
+ chandef->center_freq1 = KHZ_TO_MHZ(control_freq);
+ chandef->freq1_offset = control_freq % 1000;
chandef->center_freq2 = 0;
/* Primary channel not allowed */
@@ -2865,9 +2863,15 @@ int nl80211_parse_chandef(struct cfg80211_registered_device *rdev,
} else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
chandef->width =
nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]);
- if (attrs[NL80211_ATTR_CENTER_FREQ1])
+ if (attrs[NL80211_ATTR_CENTER_FREQ1]) {
chandef->center_freq1 =
nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]);
+ if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET])
+ chandef->freq1_offset = nla_get_u32(
+ attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]);
+ else
+ chandef->freq1_offset = 0;
+ }
if (attrs[NL80211_ATTR_CENTER_FREQ2])
chandef->center_freq2 =
nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]);
@@ -3300,6 +3304,9 @@ static int nl80211_send_chandef(struct sk_buff *msg,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
chandef->chan->center_freq))
return -ENOBUFS;
+ if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
+ chandef->chan->freq_offset))
+ return -ENOBUFS;
switch (chandef->width) {
case NL80211_CHAN_WIDTH_20_NOHT:
case NL80211_CHAN_WIDTH_20:
@@ -3904,14 +3911,25 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
};
void *hdr;
struct sk_buff *msg;
+ bool bigtk_support = false;
+
+ if (wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_BEACON_PROTECTION))
+ bigtk_support = true;
+
+ if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION ||
+ dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
+ wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
+ bigtk_support = true;
if (info->attrs[NL80211_ATTR_KEY_IDX]) {
key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
- if (key_idx > 5 &&
- !wiphy_ext_feature_isset(
- &rdev->wiphy,
- NL80211_EXT_FEATURE_BEACON_PROTECTION))
+
+ if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) {
+ GENL_SET_ERR_MSG(info, "BIGTK not supported");
return -EINVAL;
+ }
}
if (info->attrs[NL80211_ATTR_MAC])
@@ -4401,19 +4419,9 @@ static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband,
return true;
}
-static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = {
- [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY,
- .len = NL80211_MAX_SUPP_RATES },
- [NL80211_TXRATE_HT] = { .type = NLA_BINARY,
- .len = NL80211_MAX_SUPP_HT_RATES },
- [NL80211_TXRATE_VHT] = {
- .type = NLA_EXACT_LEN_WARN,
- .len = sizeof(struct nl80211_txrate_vht),
- },
- [NL80211_TXRATE_GI] = { .type = NLA_U8 },
-};
-
static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
+ struct nlattr *attrs[],
+ enum nl80211_attrs attr,
struct cfg80211_bitrate_mask *mask)
{
struct nlattr *tb[NL80211_TXRATE_MAX + 1];
@@ -4444,14 +4452,14 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
}
/* if no rates are given set it back to the defaults */
- if (!info->attrs[NL80211_ATTR_TX_RATES])
+ if (!attrs[attr])
goto out;
/* The nested attribute uses enum nl80211_band as the index. This maps
* directly to the enum nl80211_band values used in cfg80211.
*/
BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8);
- nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) {
+ nla_for_each_nested(tx_rates, attrs[attr], rem) {
enum nl80211_band band = nla_type(tx_rates);
int err;
@@ -4726,6 +4734,8 @@ static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params,
params->ht_required = true;
if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY)
params->vht_required = true;
+ if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY)
+ params->he_required = true;
}
}
@@ -4954,7 +4964,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
if (info->attrs[NL80211_ATTR_TX_RATES]) {
- err = nl80211_parse_tx_bitrate_mask(info, &params.beacon_rate);
+ err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
+ NL80211_ATTR_TX_RATES,
+ &params.beacon_rate);
if (err)
return err;
@@ -5995,6 +6007,10 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]);
}
+ if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
+ params.he_6ghz_capa =
+ nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]);
+
if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT])
params.airtime_weight =
nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]);
@@ -6129,6 +6145,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
+ if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY])
+ params.he_6ghz_capa =
+ nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]);
+
if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) {
params.opmode_notif_used = true;
params.opmode_notif =
@@ -6173,10 +6193,14 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.vht_capa = NULL;
/* HE requires WME */
- if (params.he_capa_len)
+ if (params.he_capa_len || params.he_6ghz_capa)
return -EINVAL;
}
+ /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */
+ if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa))
+ return -EINVAL;
+
/* When you run into this, adjust the code below for the new flag */
BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7);
@@ -7734,6 +7758,8 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev = info->user_ptr[1];
struct cfg80211_scan_request *request;
+ struct nlattr *scan_freqs = NULL;
+ bool scan_freqs_khz = false;
struct nlattr *attr;
struct wiphy *wiphy;
int err, tmp, n_ssids = 0, n_channels, i;
@@ -7752,9 +7778,17 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
goto unlock;
}
- if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
- n_channels = validate_scan_freqs(
- info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]);
+ if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) {
+ if (!wiphy_ext_feature_isset(wiphy,
+ NL80211_EXT_FEATURE_SCAN_FREQ_KHZ))
+ return -EOPNOTSUPP;
+ scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ];
+ scan_freqs_khz = true;
+ } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES])
+ scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES];
+
+ if (scan_freqs) {
+ n_channels = validate_scan_freqs(scan_freqs);
if (!n_channels) {
err = -EINVAL;
goto unlock;
@@ -7802,13 +7836,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
}
i = 0;
- if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) {
+ if (scan_freqs) {
/* user specified, bail out if channel not found */
- nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) {
+ nla_for_each_nested(attr, scan_freqs, tmp) {
struct ieee80211_channel *chan;
+ int freq = nla_get_u32(attr);
- chan = ieee80211_get_channel(wiphy, nla_get_u32(attr));
+ if (!scan_freqs_khz)
+ freq = MHZ_TO_KHZ(freq);
+ chan = ieee80211_get_channel_khz(wiphy, freq);
if (!chan) {
err = -EINVAL;
goto out_free;
@@ -8904,6 +8941,8 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
goto nla_put_failure;
if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) ||
nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) ||
+ nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET,
+ res->channel->freq_offset) ||
nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) ||
nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO,
jiffies_to_msecs(jiffies - intbss->ts)))
@@ -9172,6 +9211,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
enum nl80211_auth_type auth_type;
struct key_parse key;
bool local_state_change;
+ u32 freq;
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
@@ -9228,8 +9268,12 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
return -EOPNOTSUPP;
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- chan = nl80211_get_valid_chan(&rdev->wiphy,
- info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
+ freq +=
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
+
+ chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
if (!chan)
return -EINVAL;
@@ -9419,6 +9463,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_assoc_request req = {};
const u8 *bssid, *ssid;
int err, ssid_len = 0;
+ u32 freq;
if (dev->ieee80211_ptr->conn_owner_nlportid &&
dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
@@ -9438,8 +9483,11 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
bssid = nla_data(info->attrs[NL80211_ATTR_MAC]);
- chan = nl80211_get_valid_chan(&rdev->wiphy,
- info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
+ freq +=
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
+ chan = nl80211_get_valid_chan(&rdev->wiphy, freq);
if (!chan)
return -EINVAL;
@@ -10119,6 +10167,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_connect_params connect;
struct wiphy *wiphy;
struct cfg80211_cached_keys *connkeys = NULL;
+ u32 freq = 0;
int err;
memset(&connect, 0, sizeof(connect));
@@ -10189,14 +10238,21 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
connect.prev_bssid =
nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]);
- if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
- connect.channel = nl80211_get_valid_chan(
- wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ])
+ freq = MHZ_TO_KHZ(nla_get_u32(
+ info->attrs[NL80211_ATTR_WIPHY_FREQ]));
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET])
+ freq +=
+ nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]);
+
+ if (freq) {
+ connect.channel = nl80211_get_valid_chan(wiphy, freq);
if (!connect.channel)
return -EINVAL;
} else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) {
- connect.channel_hint = nl80211_get_valid_chan(
- wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]);
+ freq = MHZ_TO_KHZ(freq);
+ connect.channel_hint = nl80211_get_valid_chan(wiphy, freq);
if (!connect.channel_hint)
return -EINVAL;
}
@@ -10735,7 +10791,8 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
if (!rdev->ops->set_bitrate_mask)
return -EOPNOTSUPP;
- err = nl80211_parse_tx_bitrate_mask(info, &mask);
+ err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
+ NL80211_ATTR_TX_RATES, &mask);
if (err)
return err;
@@ -10773,9 +10830,18 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->mgmt_tx)
return -EOPNOTSUPP;
+ if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] &&
+ !wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) {
+ GENL_SET_ERR_MSG(info,
+ "multicast RX registrations are not supported");
+ return -EOPNOTSUPP;
+ }
+
return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type,
nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]),
nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]),
+ info->attrs[NL80211_ATTR_RECEIVE_MULTICAST],
info->extack);
}
@@ -11332,7 +11398,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
}
if (info->attrs[NL80211_ATTR_TX_RATES]) {
- err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate);
+ err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
+ NL80211_ATTR_TX_RATES,
+ &setup.beacon_rate);
if (err)
return err;
@@ -12286,14 +12354,22 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN)
return -ERANGE;
- if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN)
+ if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
+ nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN))
return -ERANGE;
- if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN)
+ if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN &&
+ !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK &&
+ nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN))
return -ERANGE;
rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]);
rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]);
rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]);
+ rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]);
+ rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]);
+ if (tb[NL80211_REKEY_DATA_AKM])
+ rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
wdev_lock(wdev);
if (!wdev->current_bss) {
@@ -13839,6 +13915,7 @@ static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
{
+ bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK];
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -13847,6 +13924,7 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
u8 *dest;
u16 proto;
bool noencrypt;
+ u64 cookie = 0;
int err;
if (!wiphy_ext_feature_isset(&rdev->wiphy,
@@ -13891,9 +13969,12 @@ static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info)
noencrypt =
nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]);
- return rdev_tx_control_port(rdev, dev, buf, len,
- dest, cpu_to_be16(proto), noencrypt);
-
+ err = rdev_tx_control_port(rdev, dev, buf, len,
+ dest, cpu_to_be16(proto), noencrypt,
+ dont_wait_for_ack ? NULL : &cookie);
+ if (!err && !dont_wait_for_ack)
+ nl_set_extack_cookie_u64(info->extack, cookie);
+ return err;
out:
wdev_unlock(wdev);
return err;
@@ -14058,10 +14139,7 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
if (rdev->ops->reset_tid_config) {
err = rdev_reset_tid_config(rdev, dev, peer,
tid_conf->tids);
- /* If peer is there no other configuration will be
- * allowed
- */
- if (err || peer)
+ if (err)
return err;
} else {
return -EINVAL;
@@ -14104,6 +14182,29 @@ static int parse_tid_conf(struct cfg80211_registered_device *rdev,
nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]);
}
+ if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) {
+ tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL);
+ tid_conf->amsdu =
+ nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]);
+ }
+
+ if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) {
+ u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr;
+
+ tid_conf->txrate_type = nla_get_u8(attrs[idx]);
+
+ if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) {
+ attr = NL80211_TID_CONFIG_ATTR_TX_RATE;
+ err = nl80211_parse_tx_bitrate_mask(info, attrs, attr,
+ &tid_conf->txrate_mask);
+ if (err)
+ return err;
+
+ tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE);
+ }
+ tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE);
+ }
+
if (peer)
mask = rdev->wiphy.tid_config_support.peer;
else
@@ -15215,14 +15316,27 @@ static int nl80211_add_scan_req(struct sk_buff *msg,
}
nla_nest_end(msg, nest);
- nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES);
- if (!nest)
- goto nla_put_failure;
- for (i = 0; i < req->n_channels; i++) {
- if (nla_put_u32(msg, i, req->channels[i]->center_freq))
+ if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) {
+ nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ);
+ if (!nest)
goto nla_put_failure;
+ for (i = 0; i < req->n_channels; i++) {
+ if (nla_put_u32(msg, i,
+ ieee80211_channel_to_khz(req->channels[i])))
+ goto nla_put_failure;
+ }
+ nla_nest_end(msg, nest);
+ } else {
+ nest = nla_nest_start_noflag(msg,
+ NL80211_ATTR_SCAN_FREQUENCIES);
+ if (!nest)
+ goto nla_put_failure;
+ for (i = 0; i < req->n_channels; i++) {
+ if (nla_put_u32(msg, i, req->channels[i]->center_freq))
+ goto nla_put_failure;
+ }
+ nla_nest_end(msg, nest);
}
- nla_nest_end(msg, nest);
if (req->ie &&
nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie))
@@ -15542,10 +15656,19 @@ void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf,
if (WARN_ON(len < 2))
return;
- if (ieee80211_is_deauth(mgmt->frame_control))
+ if (ieee80211_is_deauth(mgmt->frame_control)) {
cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE;
- else
+ } else if (ieee80211_is_disassoc(mgmt->frame_control)) {
cmd = NL80211_CMD_UNPROT_DISASSOCIATE;
+ } else if (ieee80211_is_beacon(mgmt->frame_control)) {
+ if (wdev->unprot_beacon_reported &&
+ elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000)
+ return;
+ cmd = NL80211_CMD_UNPROT_BEACON;
+ wdev->unprot_beacon_reported = jiffies;
+ } else {
+ return;
+ }
trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len);
nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1,
@@ -16224,7 +16347,8 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
netdev->ifindex)) ||
nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev),
NL80211_ATTR_PAD) ||
- nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) ||
+ nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) ||
+ nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
@@ -16241,8 +16365,9 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev,
return -ENOBUFS;
}
-void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
- const u8 *buf, size_t len, bool ack, gfp_t gfp)
+static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp, enum nl80211_commands command)
{
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
@@ -16250,13 +16375,16 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
struct sk_buff *msg;
void *hdr;
- trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
+ if (command == NL80211_CMD_FRAME_TX_STATUS)
+ trace_cfg80211_mgmt_tx_status(wdev, cookie, ack);
+ else
+ trace_cfg80211_control_port_tx_status(wdev, cookie, ack);
msg = nlmsg_new(100 + len, gfp);
if (!msg)
return;
- hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
+ hdr = nl80211hdr_put(msg, 0, 0, 0, command);
if (!hdr) {
nlmsg_free(msg);
return;
@@ -16279,9 +16407,25 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
NL80211_MCGRP_MLME, gfp);
return;
- nla_put_failure:
+nla_put_failure:
nlmsg_free(msg);
}
+
+void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack,
+ gfp_t gfp)
+{
+ nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
+ NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS);
+}
+EXPORT_SYMBOL(cfg80211_control_port_tx_status);
+
+void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
+ const u8 *buf, size_t len, bool ack, gfp_t gfp)
+{
+ nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp,
+ NL80211_CMD_FRAME_TX_STATUS);
+}
EXPORT_SYMBOL(cfg80211_mgmt_tx_status);
static int __nl80211_rx_control_port(struct net_device *dev,
@@ -16850,9 +16994,8 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr,
}
EXPORT_SYMBOL(cfg80211_probe_status);
-void cfg80211_report_obss_beacon(struct wiphy *wiphy,
- const u8 *frame, size_t len,
- int freq, int sig_dbm)
+void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame,
+ size_t len, int freq, int sig_dbm)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
struct sk_buff *msg;
@@ -16875,7 +17018,10 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
(freq &&
- nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) ||
+ (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ,
+ KHZ_TO_MHZ(freq)) ||
+ nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET,
+ freq % 1000))) ||
(sig_dbm &&
nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) ||
nla_put(msg, NL80211_ATTR_FRAME, len, frame))
@@ -16892,7 +17038,7 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
spin_unlock_bh(&rdev->beacon_registrations_lock);
nlmsg_free(msg);
}
-EXPORT_SYMBOL(cfg80211_report_obss_beacon);
+EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz);
#ifdef CONFIG_PM
static int cfg80211_net_detect_results(struct sk_buff *msg,
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index a41e94a49a89..d3e8e426c486 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -11,8 +11,6 @@
int nl80211_init(void);
void nl80211_exit(void);
-extern const struct nla_policy nl80211_policy[NUM_NL80211_ATTR];
-
void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq,
int flags, u8 cmd);
bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info,
diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c
index 63dc8023447f..a95c79d18349 100644
--- a/net/wireless/pmsr.c
+++ b/net/wireless/pmsr.c
@@ -187,10 +187,9 @@ static int pmsr_parse_peer(struct cfg80211_registered_device *rdev,
/* reuse info->attrs */
memset(info->attrs, 0, sizeof(*info->attrs) * (NL80211_ATTR_MAX + 1));
- /* need to validate here, we don't want to have validation recursion */
err = nla_parse_nested_deprecated(info->attrs, NL80211_ATTR_MAX,
tb[NL80211_PMSR_PEER_ATTR_CHAN],
- nl80211_policy, info->extack);
+ NULL, info->extack);
if (err)
return err;
diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index 6582d155e2fc..d5e28239e030 100644
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -90,7 +90,7 @@ static const struct ieee80211_radiotap_namespace radiotap_ns = {
* iterator.this_arg for type "type" safely on all arches.
*
* Example code:
- * See Documentation/networking/radiotap-headers.txt
+ * See Documentation/networking/radiotap-headers.rst
*/
int ieee80211_radiotap_iterator_init(
diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h
index 99462f0c4e08..950d57494168 100644
--- a/net/wireless/rdev-ops.h
+++ b/net/wireless/rdev-ops.h
@@ -748,14 +748,17 @@ static inline int rdev_tx_control_port(struct cfg80211_registered_device *rdev,
struct net_device *dev,
const void *buf, size_t len,
const u8 *dest, __be16 proto,
- const bool noencrypt)
+ const bool noencrypt, u64 *cookie)
{
int ret;
trace_rdev_tx_control_port(&rdev->wiphy, dev, buf, len,
dest, proto, noencrypt);
ret = rdev->ops->tx_control_port(&rdev->wiphy, dev, buf, len,
- dest, proto, noencrypt);
- trace_rdev_return_int(&rdev->wiphy, ret);
+ dest, proto, noencrypt, cookie);
+ if (cookie)
+ trace_rdev_return_int_cookie(&rdev->wiphy, ret, *cookie);
+ else
+ trace_rdev_return_int(&rdev->wiphy, ret);
return ret;
}
@@ -819,13 +822,16 @@ rdev_set_cqm_txe_config(struct cfg80211_registered_device *rdev,
}
static inline void
-rdev_mgmt_frame_register(struct cfg80211_registered_device *rdev,
- struct wireless_dev *wdev, u16 frame_type, bool reg)
+rdev_update_mgmt_frame_registrations(struct cfg80211_registered_device *rdev,
+ struct wireless_dev *wdev,
+ struct mgmt_frame_regs *upd)
{
might_sleep();
- trace_rdev_mgmt_frame_register(&rdev->wiphy, wdev , frame_type, reg);
- rdev->ops->mgmt_frame_register(&rdev->wiphy, wdev , frame_type, reg);
+ trace_rdev_update_mgmt_frame_registrations(&rdev->wiphy, wdev, upd);
+ if (rdev->ops->update_mgmt_frame_registrations)
+ rdev->ops->update_mgmt_frame_registrations(&rdev->wiphy, wdev,
+ upd);
trace_rdev_return_void(&rdev->wiphy);
}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index d476d4da0d09..0d74a31ef0ab 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1658,22 +1658,23 @@ static uint32_t reg_rule_to_chan_bw_flags(const struct ieee80211_regdomain *regd
const struct ieee80211_channel *chan)
{
const struct ieee80211_freq_range *freq_range = NULL;
- u32 max_bandwidth_khz, bw_flags = 0;
+ u32 max_bandwidth_khz, center_freq_khz, bw_flags = 0;
freq_range = &reg_rule->freq_range;
max_bandwidth_khz = freq_range->max_bandwidth_khz;
+ center_freq_khz = ieee80211_channel_to_khz(chan);
/* Check if auto calculation requested */
if (reg_rule->flags & NL80211_RRF_AUTO_BW)
max_bandwidth_khz = reg_get_max_bandwidth(regd, reg_rule);
/* If we get a reg_rule we can assume that at least 5Mhz fit */
if (!cfg80211_does_bw_fit_range(freq_range,
- MHZ_TO_KHZ(chan->center_freq),
+ center_freq_khz,
MHZ_TO_KHZ(10)))
bw_flags |= IEEE80211_CHAN_NO_10MHZ;
if (!cfg80211_does_bw_fit_range(freq_range,
- MHZ_TO_KHZ(chan->center_freq),
+ center_freq_khz,
MHZ_TO_KHZ(20)))
bw_flags |= IEEE80211_CHAN_NO_20MHZ;
@@ -1710,7 +1711,7 @@ static void handle_channel(struct wiphy *wiphy,
flags = chan->orig_flags;
- reg_rule = freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq));
+ reg_rule = freq_reg_info(wiphy, ieee80211_channel_to_khz(chan));
if (IS_ERR(reg_rule)) {
/*
* We will disable all channels that do not match our
@@ -1729,13 +1730,13 @@ static void handle_channel(struct wiphy *wiphy,
if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER &&
request_wiphy && request_wiphy == wiphy &&
request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
- pr_debug("Disabling freq %d MHz for good\n",
- chan->center_freq);
+ pr_debug("Disabling freq %d.%03d MHz for good\n",
+ chan->center_freq, chan->freq_offset);
chan->orig_flags |= IEEE80211_CHAN_DISABLED;
chan->flags = chan->orig_flags;
} else {
- pr_debug("Disabling freq %d MHz\n",
- chan->center_freq);
+ pr_debug("Disabling freq %d.%03d MHz\n",
+ chan->center_freq, chan->freq_offset);
chan->flags |= IEEE80211_CHAN_DISABLED;
}
return;
@@ -1936,7 +1937,7 @@ static void handle_reg_beacon(struct wiphy *wiphy, unsigned int chan_idx,
sband = wiphy->bands[reg_beacon->chan.band];
chan = &sband->channels[chan_idx];
- if (likely(chan->center_freq != reg_beacon->chan.center_freq))
+ if (likely(!ieee80211_channel_equal(chan, &reg_beacon->chan)))
return;
if (chan->beacon_found)
@@ -2269,18 +2270,18 @@ static void handle_channel_custom(struct wiphy *wiphy,
u32 bw_flags = 0;
const struct ieee80211_reg_rule *reg_rule = NULL;
const struct ieee80211_power_rule *power_rule = NULL;
- u32 bw;
+ u32 bw, center_freq_khz;
+ center_freq_khz = ieee80211_channel_to_khz(chan);
for (bw = MHZ_TO_KHZ(20); bw >= min_bw; bw = bw / 2) {
- reg_rule = freq_reg_info_regd(MHZ_TO_KHZ(chan->center_freq),
- regd, bw);
+ reg_rule = freq_reg_info_regd(center_freq_khz, regd, bw);
if (!IS_ERR(reg_rule))
break;
}
if (IS_ERR_OR_NULL(reg_rule)) {
- pr_debug("Disabling freq %d MHz as custom regd has no rule that fits it\n",
- chan->center_freq);
+ pr_debug("Disabling freq %d.%03d MHz as custom regd has no rule that fits it\n",
+ chan->center_freq, chan->freq_offset);
if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) {
chan->flags |= IEEE80211_CHAN_DISABLED;
} else {
@@ -3337,8 +3338,8 @@ static bool pending_reg_beacon(struct ieee80211_channel *beacon_chan)
struct reg_beacon *pending_beacon;
list_for_each_entry(pending_beacon, &reg_pending_beacons, list)
- if (beacon_chan->center_freq ==
- pending_beacon->chan.center_freq)
+ if (ieee80211_channel_equal(beacon_chan,
+ &pending_beacon->chan))
return true;
return false;
}
@@ -3367,9 +3368,10 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
if (!reg_beacon)
return -ENOMEM;
- pr_debug("Found new beacon on frequency: %d MHz (Ch %d) on %s\n",
- beacon_chan->center_freq,
- ieee80211_frequency_to_channel(beacon_chan->center_freq),
+ pr_debug("Found new beacon on frequency: %d.%03d MHz (Ch %d) on %s\n",
+ beacon_chan->center_freq, beacon_chan->freq_offset,
+ ieee80211_freq_khz_to_channel(
+ ieee80211_channel_to_khz(beacon_chan)),
wiphy_name(wiphy));
memcpy(&reg_beacon->chan, beacon_chan,
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 4000382aef48..74ea4cfb39fb 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1322,8 +1322,8 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
return channel;
}
- freq = ieee80211_channel_to_frequency(channel_number, channel->band);
- alt_channel = ieee80211_get_channel(wiphy, freq);
+ freq = ieee80211_channel_to_freq_khz(channel_number, channel->band);
+ alt_channel = ieee80211_get_channel_khz(wiphy, freq);
if (!alt_channel) {
if (channel->band == NL80211_BAND_2GHZ) {
/*
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index ac3e60aa1fc8..15595cf401de 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -5,7 +5,7 @@
* (for nl80211's connect() and wext)
*
* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2009 Intel Corporation. All rights reserved.
+ * Copyright (C) 2009, 2020 Intel Corporation. All rights reserved.
* Copyright 2017 Intel Deutschland GmbH
*/
@@ -694,6 +694,7 @@ void __cfg80211_connect_result(struct net_device *dev,
return;
}
+ wdev->unprot_beacon_reported = 0;
nl80211_send_connect_result(wiphy_to_rdev(wdev->wiphy), dev, cr,
GFP_KERNEL);
@@ -921,6 +922,7 @@ void __cfg80211_roamed(struct wireless_dev *wdev,
cfg80211_hold_bss(bss_from_pub(info->bss));
wdev->current_bss = bss_from_pub(info->bss);
+ wdev->unprot_beacon_reported = 0;
nl80211_send_roamed(wiphy_to_rdev(wdev->wiphy),
wdev->netdev, info, GFP_KERNEL);
@@ -1116,7 +1118,10 @@ void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
if (wiphy_ext_feature_isset(
wdev->wiphy,
- NL80211_EXT_FEATURE_BEACON_PROTECTION))
+ NL80211_EXT_FEATURE_BEACON_PROTECTION) ||
+ wiphy_ext_feature_isset(
+ wdev->wiphy,
+ NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
max_key_idx = 7;
for (i = 0; i <= max_key_idx; i++)
rdev_del_key(rdev, dev, i, false, NULL);
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 839df54cee21..b23cab016521 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -112,24 +112,29 @@
} while (0)
#define CHAN_ENTRY __field(enum nl80211_band, band) \
- __field(u32, center_freq)
+ __field(u32, center_freq) \
+ __field(u16, freq_offset)
#define CHAN_ASSIGN(chan) \
do { \
if (chan) { \
__entry->band = chan->band; \
__entry->center_freq = chan->center_freq; \
+ __entry->freq_offset = chan->freq_offset; \
} else { \
__entry->band = 0; \
__entry->center_freq = 0; \
+ __entry->freq_offset = 0; \
} \
} while (0)
-#define CHAN_PR_FMT "band: %d, freq: %u"
-#define CHAN_PR_ARG __entry->band, __entry->center_freq
+#define CHAN_PR_FMT "band: %d, freq: %u.%03u"
+#define CHAN_PR_ARG __entry->band, __entry->center_freq, __entry->freq_offset
#define CHAN_DEF_ENTRY __field(enum nl80211_band, band) \
__field(u32, control_freq) \
+ __field(u32, freq_offset) \
__field(u32, width) \
__field(u32, center_freq1) \
+ __field(u32, freq1_offset) \
__field(u32, center_freq2)
#define CHAN_DEF_ASSIGN(chandef) \
do { \
@@ -137,21 +142,27 @@
__entry->band = (chandef)->chan->band; \
__entry->control_freq = \
(chandef)->chan->center_freq; \
+ __entry->freq_offset = \
+ (chandef)->chan->freq_offset; \
__entry->width = (chandef)->width; \
__entry->center_freq1 = (chandef)->center_freq1;\
+ __entry->freq1_offset = (chandef)->freq1_offset;\
__entry->center_freq2 = (chandef)->center_freq2;\
} else { \
__entry->band = 0; \
__entry->control_freq = 0; \
+ __entry->freq_offset = 0; \
__entry->width = 0; \
__entry->center_freq1 = 0; \
+ __entry->freq1_offset = 0; \
__entry->center_freq2 = 0; \
} \
} while (0)
#define CHAN_DEF_PR_FMT \
- "band: %d, control freq: %u, width: %d, cf1: %u, cf2: %u"
+ "band: %d, control freq: %u.%03u, width: %d, cf1: %u.%03u, cf2: %u"
#define CHAN_DEF_PR_ARG __entry->band, __entry->control_freq, \
- __entry->width, __entry->center_freq1, \
+ __entry->freq_offset, __entry->width, \
+ __entry->center_freq1, __entry->freq1_offset, \
__entry->center_freq2
#define SINFO_ENTRY __field(int, generation) \
@@ -1582,25 +1593,25 @@ TRACE_EVENT(rdev_set_bitrate_mask,
WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer))
);
-TRACE_EVENT(rdev_mgmt_frame_register,
+TRACE_EVENT(rdev_update_mgmt_frame_registrations,
TP_PROTO(struct wiphy *wiphy, struct wireless_dev *wdev,
- u16 frame_type, bool reg),
- TP_ARGS(wiphy, wdev, frame_type, reg),
+ struct mgmt_frame_regs *upd),
+ TP_ARGS(wiphy, wdev, upd),
TP_STRUCT__entry(
WIPHY_ENTRY
WDEV_ENTRY
- __field(u16, frame_type)
- __field(bool, reg)
+ __field(u16, global_stypes)
+ __field(u16, interface_stypes)
),
TP_fast_assign(
WIPHY_ASSIGN;
WDEV_ASSIGN;
- __entry->frame_type = frame_type;
- __entry->reg = reg;
+ __entry->global_stypes = upd->global_stypes;
+ __entry->interface_stypes = upd->interface_stypes;
),
- TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", frame_type: 0x%.2x, reg: %s ",
- WIPHY_PR_ARG, WDEV_PR_ARG, __entry->frame_type,
- __entry->reg ? "true" : "false")
+ TP_printk(WIPHY_PR_FMT ", " WDEV_PR_FMT ", global: 0x%.2x, intf: 0x%.2x",
+ WIPHY_PR_ARG, WDEV_PR_ARG,
+ __entry->global_stypes, __entry->interface_stypes)
);
TRACE_EVENT(rdev_return_int_tx_rx,
@@ -2829,8 +2840,8 @@ TRACE_EVENT(cfg80211_rx_mgmt,
__entry->freq = freq;
__entry->sig_dbm = sig_dbm;
),
- TP_printk(WDEV_PR_FMT ", freq: %d, sig dbm: %d",
- WDEV_PR_ARG, __entry->freq, __entry->sig_dbm)
+ TP_printk(WDEV_PR_FMT ", freq: "KHZ_F", sig dbm: %d",
+ WDEV_PR_ARG, PR_KHZ(__entry->freq), __entry->sig_dbm)
);
TRACE_EVENT(cfg80211_mgmt_tx_status,
@@ -2850,6 +2861,23 @@ TRACE_EVENT(cfg80211_mgmt_tx_status,
WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack))
);
+TRACE_EVENT(cfg80211_control_port_tx_status,
+ TP_PROTO(struct wireless_dev *wdev, u64 cookie, bool ack),
+ TP_ARGS(wdev, cookie, ack),
+ TP_STRUCT__entry(
+ WDEV_ENTRY
+ __field(u64, cookie)
+ __field(bool, ack)
+ ),
+ TP_fast_assign(
+ WDEV_ASSIGN;
+ __entry->cookie = cookie;
+ __entry->ack = ack;
+ ),
+ TP_printk(WDEV_PR_FMT", cookie: %llu, ack: %s",
+ WDEV_PR_ARG, __entry->cookie, BOOL_TO_STR(__entry->ack))
+);
+
TRACE_EVENT(cfg80211_rx_control_port,
TP_PROTO(struct net_device *netdev, struct sk_buff *skb,
bool unencrypted),
@@ -3110,8 +3138,8 @@ TRACE_EVENT(cfg80211_report_obss_beacon,
__entry->freq = freq;
__entry->sig_dbm = sig_dbm;
),
- TP_printk(WIPHY_PR_FMT ", freq: %d, sig_dbm: %d",
- WIPHY_PR_ARG, __entry->freq, __entry->sig_dbm)
+ TP_printk(WIPHY_PR_FMT ", freq: "KHZ_F", sig_dbm: %d",
+ WIPHY_PR_ARG, PR_KHZ(__entry->freq), __entry->sig_dbm)
);
TRACE_EVENT(cfg80211_tdls_oper_request,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 6590efbbcbb9..4d3b76f94f55 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -5,7 +5,7 @@
* Copyright 2007-2009 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
* Copyright 2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2019 Intel Corporation
+ * Copyright (C) 2018-2020 Intel Corporation
*/
#include <linux/export.h>
#include <linux/bitops.h>
@@ -72,7 +72,7 @@ u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_mandatory_rates);
-int ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
+u32 ieee80211_channel_to_freq_khz(int chan, enum nl80211_band band)
{
/* see 802.11 17.3.8.3.2 and Annex J
* there are overlapping channel numbers in 5GHz and 2GHz bands */
@@ -81,34 +81,39 @@ int ieee80211_channel_to_frequency(int chan, enum nl80211_band band)
switch (band) {
case NL80211_BAND_2GHZ:
if (chan == 14)
- return 2484;
+ return MHZ_TO_KHZ(2484);
else if (chan < 14)
- return 2407 + chan * 5;
+ return MHZ_TO_KHZ(2407 + chan * 5);
break;
case NL80211_BAND_5GHZ:
if (chan >= 182 && chan <= 196)
- return 4000 + chan * 5;
+ return MHZ_TO_KHZ(4000 + chan * 5);
else
- return 5000 + chan * 5;
+ return MHZ_TO_KHZ(5000 + chan * 5);
break;
case NL80211_BAND_6GHZ:
- /* see 802.11ax D4.1 27.3.22.2 */
+ /* see 802.11ax D6.1 27.3.23.2 */
+ if (chan == 2)
+ return MHZ_TO_KHZ(5935);
if (chan <= 253)
- return 5940 + chan * 5;
+ return MHZ_TO_KHZ(5950 + chan * 5);
break;
case NL80211_BAND_60GHZ:
if (chan < 7)
- return 56160 + chan * 2160;
+ return MHZ_TO_KHZ(56160 + chan * 2160);
break;
default:
;
}
return 0; /* not supported */
}
-EXPORT_SYMBOL(ieee80211_channel_to_frequency);
+EXPORT_SYMBOL(ieee80211_channel_to_freq_khz);
-int ieee80211_frequency_to_channel(int freq)
+int ieee80211_freq_khz_to_channel(u32 freq)
{
+ /* TODO: just handle MHz for now */
+ freq = KHZ_TO_MHZ(freq);
+
/* see 802.11 17.3.8.3.2 and Annex J */
if (freq == 2484)
return 14;
@@ -126,9 +131,10 @@ int ieee80211_frequency_to_channel(int freq)
else
return 0;
}
-EXPORT_SYMBOL(ieee80211_frequency_to_channel);
+EXPORT_SYMBOL(ieee80211_freq_khz_to_channel);
-struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq)
+struct ieee80211_channel *ieee80211_get_channel_khz(struct wiphy *wiphy,
+ u32 freq)
{
enum nl80211_band band;
struct ieee80211_supported_band *sband;
@@ -141,14 +147,16 @@ struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq)
continue;
for (i = 0; i < sband->n_channels; i++) {
- if (sband->channels[i].center_freq == freq)
- return &sband->channels[i];
+ struct ieee80211_channel *chan = &sband->channels[i];
+
+ if (ieee80211_channel_to_khz(chan) == freq)
+ return chan;
}
}
return NULL;
}
-EXPORT_SYMBOL(ieee80211_get_channel);
+EXPORT_SYMBOL(ieee80211_get_channel_khz);
static void set_mandatory_flags_band(struct ieee80211_supported_band *sband)
{
@@ -234,7 +242,9 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
int max_key_idx = 5;
if (wiphy_ext_feature_isset(&rdev->wiphy,
- NL80211_EXT_FEATURE_BEACON_PROTECTION))
+ NL80211_EXT_FEATURE_BEACON_PROTECTION) ||
+ wiphy_ext_feature_isset(&rdev->wiphy,
+ NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
max_key_idx = 7;
if (key_idx < 0 || key_idx > max_key_idx)
return -EINVAL;
@@ -2030,10 +2040,10 @@ EXPORT_SYMBOL(cfg80211_send_layer2_update);
int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
enum ieee80211_vht_chanwidth bw,
- int mcs, bool ext_nss_bw_capable)
+ int mcs, bool ext_nss_bw_capable,
+ unsigned int max_vht_nss)
{
u16 map = le16_to_cpu(cap->supp_mcs.rx_mcs_map);
- int max_vht_nss = 0;
int ext_nss_bw;
int supp_width;
int i, mcs_encoding;
@@ -2041,7 +2051,7 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
if (map == 0xffff)
return 0;
- if (WARN_ON(mcs > 9))
+ if (WARN_ON(mcs > 9 || max_vht_nss > 8))
return 0;
if (mcs <= 7)
mcs_encoding = 0;
@@ -2050,16 +2060,18 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
else
mcs_encoding = 2;
- /* find max_vht_nss for the given MCS */
- for (i = 7; i >= 0; i--) {
- int supp = (map >> (2 * i)) & 3;
+ if (!max_vht_nss) {
+ /* find max_vht_nss for the given MCS */
+ for (i = 7; i >= 0; i--) {
+ int supp = (map >> (2 * i)) & 3;
- if (supp == 3)
- continue;
+ if (supp == 3)
+ continue;
- if (supp >= mcs_encoding) {
- max_vht_nss = i + 1;
- break;
+ if (supp >= mcs_encoding) {
+ max_vht_nss = i + 1;
+ break;
+ }
}
}
diff --git a/net/x25/Kconfig b/net/x25/Kconfig
index 2ecb2e5e241e..9f0d58b0b90b 100644
--- a/net/x25/Kconfig
+++ b/net/x25/Kconfig
@@ -20,8 +20,8 @@ config X25
You can read more about X.25 at <http://www.sangoma.com/tutorials/x25/> and
<http://docwiki.cisco.com/wiki/X.25>.
Information about X.25 for Linux is contained in the files
- <file:Documentation/networking/x25.txt> and
- <file:Documentation/networking/x25-iface.txt>.
+ <file:Documentation/networking/x25.rst> and
+ <file:Documentation/networking/x25-iface.rst>.
One connects to an X.25 network either with a dedicated network card
using the X.21 protocol (not yet supported by Linux) or one can do
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 00e782335cb0..25bf72ee6cad 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -115,8 +115,10 @@ int x25_lapb_receive_frame(struct sk_buff *skb, struct net_device *dev,
goto drop;
}
- if (!pskb_may_pull(skb, 1))
+ if (!pskb_may_pull(skb, 1)) {
+ x25_neigh_put(nb);
return 0;
+ }
switch (skb->data[0]) {
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index 8aa415a38814..0285aaa1e93c 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -357,6 +357,12 @@ void x25_disconnect(struct sock *sk, int reason, unsigned char cause,
sk->sk_state_change(sk);
sock_set_flag(sk, SOCK_DEAD);
}
+ if (x25->neighbour) {
+ read_lock_bh(&x25_list_lock);
+ x25_neigh_put(x25->neighbour);
+ x25->neighbour = NULL;
+ read_unlock_bh(&x25_list_lock);
+ }
}
/*
diff --git a/net/xdp/Makefile b/net/xdp/Makefile
index 71e2bdafb2ce..30cdc4315f42 100644
--- a/net/xdp/Makefile
+++ b/net/xdp/Makefile
@@ -1,3 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_XDP_SOCKETS) += xsk.o xdp_umem.o xsk_queue.o
+obj-$(CONFIG_XDP_SOCKETS) += xsk.o xdp_umem.o xsk_queue.o xskmap.o
+obj-$(CONFIG_XDP_SOCKETS) += xsk_buff_pool.o
obj-$(CONFIG_XDP_SOCKETS_DIAG) += xsk_diag.o
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index ed7a6060f73c..1bbaf1747e4f 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -30,9 +30,9 @@ void xdp_add_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs)
if (!xs->tx)
return;
- spin_lock_irqsave(&umem->xsk_list_lock, flags);
- list_add_rcu(&xs->list, &umem->xsk_list);
- spin_unlock_irqrestore(&umem->xsk_list_lock, flags);
+ spin_lock_irqsave(&umem->xsk_tx_list_lock, flags);
+ list_add_rcu(&xs->list, &umem->xsk_tx_list);
+ spin_unlock_irqrestore(&umem->xsk_tx_list_lock, flags);
}
void xdp_del_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs)
@@ -42,9 +42,9 @@ void xdp_del_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs)
if (!xs->tx)
return;
- spin_lock_irqsave(&umem->xsk_list_lock, flags);
+ spin_lock_irqsave(&umem->xsk_tx_list_lock, flags);
list_del_rcu(&xs->list);
- spin_unlock_irqrestore(&umem->xsk_list_lock, flags);
+ spin_unlock_irqrestore(&umem->xsk_tx_list_lock, flags);
}
/* The umem is stored both in the _rx struct and the _tx struct as we do
@@ -179,37 +179,6 @@ void xdp_umem_clear_dev(struct xdp_umem *umem)
umem->zc = false;
}
-static void xdp_umem_unmap_pages(struct xdp_umem *umem)
-{
- unsigned int i;
-
- for (i = 0; i < umem->npgs; i++)
- if (PageHighMem(umem->pgs[i]))
- vunmap(umem->pages[i].addr);
-}
-
-static int xdp_umem_map_pages(struct xdp_umem *umem)
-{
- unsigned int i;
- void *addr;
-
- for (i = 0; i < umem->npgs; i++) {
- if (PageHighMem(umem->pgs[i]))
- addr = vmap(&umem->pgs[i], 1, VM_MAP, PAGE_KERNEL);
- else
- addr = page_address(umem->pgs[i]);
-
- if (!addr) {
- xdp_umem_unmap_pages(umem);
- return -ENOMEM;
- }
-
- umem->pages[i].addr = addr;
- }
-
- return 0;
-}
-
static void xdp_umem_unpin_pages(struct xdp_umem *umem)
{
unpin_user_pages_dirty_lock(umem->pgs, umem->npgs, true);
@@ -244,14 +213,9 @@ static void xdp_umem_release(struct xdp_umem *umem)
umem->cq = NULL;
}
- xsk_reuseq_destroy(umem);
-
- xdp_umem_unmap_pages(umem);
+ xp_destroy(umem->pool);
xdp_umem_unpin_pages(umem);
- kvfree(umem->pages);
- umem->pages = NULL;
-
xdp_umem_unaccount_pages(umem);
kfree(umem);
}
@@ -279,7 +243,7 @@ void xdp_put_umem(struct xdp_umem *umem)
}
}
-static int xdp_umem_pin_pages(struct xdp_umem *umem)
+static int xdp_umem_pin_pages(struct xdp_umem *umem, unsigned long address)
{
unsigned int gup_flags = FOLL_WRITE;
long npgs;
@@ -291,7 +255,7 @@ static int xdp_umem_pin_pages(struct xdp_umem *umem)
return -ENOMEM;
down_read(&current->mm->mmap_sem);
- npgs = pin_user_pages(umem->address, umem->npgs,
+ npgs = pin_user_pages(address, umem->npgs,
gup_flags | FOLL_LONGTERM, &umem->pgs[0], NULL);
up_read(&current->mm->mmap_sem);
@@ -341,8 +305,8 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
{
bool unaligned_chunks = mr->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG;
u32 chunk_size = mr->chunk_size, headroom = mr->headroom;
+ u64 npgs, addr = mr->addr, size = mr->len;
unsigned int chunks, chunks_per_page;
- u64 addr = mr->addr, size = mr->len;
int err;
if (chunk_size < XDP_UMEM_MIN_CHUNK_SIZE || chunk_size > PAGE_SIZE) {
@@ -372,6 +336,10 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
if ((addr + size) < addr)
return -EINVAL;
+ npgs = div_u64(size, PAGE_SIZE);
+ if (npgs > U32_MAX)
+ return -EINVAL;
+
chunks = (unsigned int)div_u64(size, chunk_size);
if (chunks == 0)
return -EINVAL;
@@ -385,18 +353,15 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
if (headroom >= chunk_size - XDP_PACKET_HEADROOM)
return -EINVAL;
- umem->address = (unsigned long)addr;
- umem->chunk_mask = unaligned_chunks ? XSK_UNALIGNED_BUF_ADDR_MASK
- : ~((u64)chunk_size - 1);
umem->size = size;
umem->headroom = headroom;
- umem->chunk_size_nohr = chunk_size - headroom;
- umem->npgs = size / PAGE_SIZE;
+ umem->chunk_size = chunk_size;
+ umem->npgs = (u32)npgs;
umem->pgs = NULL;
umem->user = NULL;
umem->flags = mr->flags;
- INIT_LIST_HEAD(&umem->xsk_list);
- spin_lock_init(&umem->xsk_list_lock);
+ INIT_LIST_HEAD(&umem->xsk_tx_list);
+ spin_lock_init(&umem->xsk_tx_list_lock);
refcount_set(&umem->users, 1);
@@ -404,22 +369,17 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
if (err)
return err;
- err = xdp_umem_pin_pages(umem);
+ err = xdp_umem_pin_pages(umem, (unsigned long)addr);
if (err)
goto out_account;
- umem->pages = kvcalloc(umem->npgs, sizeof(*umem->pages),
- GFP_KERNEL_ACCOUNT);
- if (!umem->pages) {
+ umem->pool = xp_create(umem->pgs, umem->npgs, chunks, chunk_size,
+ headroom, size, unaligned_chunks);
+ if (!umem->pool) {
err = -ENOMEM;
goto out_pin;
}
-
- err = xdp_umem_map_pages(umem);
- if (!err)
- return 0;
-
- kvfree(umem->pages);
+ return 0;
out_pin:
xdp_umem_unpin_pages(umem);
diff --git a/net/xdp/xdp_umem.h b/net/xdp/xdp_umem.h
index a63a9fb251f5..32067fe98f65 100644
--- a/net/xdp/xdp_umem.h
+++ b/net/xdp/xdp_umem.h
@@ -6,7 +6,7 @@
#ifndef XDP_UMEM_H_
#define XDP_UMEM_H_
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev,
u16 queue_id, u16 flags);
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index c350108aa38d..b6c0f08bd80d 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -22,7 +22,7 @@
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/rculist.h>
-#include <net/xdp_sock.h>
+#include <net/xdp_sock_drv.h>
#include <net/xdp.h>
#include "xsk_queue.h"
@@ -39,24 +39,6 @@ bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs)
READ_ONCE(xs->umem->fq);
}
-bool xsk_umem_has_addrs(struct xdp_umem *umem, u32 cnt)
-{
- return xskq_cons_has_entries(umem->fq, cnt);
-}
-EXPORT_SYMBOL(xsk_umem_has_addrs);
-
-bool xsk_umem_peek_addr(struct xdp_umem *umem, u64 *addr)
-{
- return xskq_cons_peek_addr(umem->fq, addr, umem);
-}
-EXPORT_SYMBOL(xsk_umem_peek_addr);
-
-void xsk_umem_release_addr(struct xdp_umem *umem)
-{
- xskq_cons_release(umem->fq);
-}
-EXPORT_SYMBOL(xsk_umem_release_addr);
-
void xsk_set_rx_need_wakeup(struct xdp_umem *umem)
{
if (umem->need_wakeup & XDP_WAKEUP_RX)
@@ -75,7 +57,7 @@ void xsk_set_tx_need_wakeup(struct xdp_umem *umem)
return;
rcu_read_lock();
- list_for_each_entry_rcu(xs, &umem->xsk_list, list) {
+ list_for_each_entry_rcu(xs, &umem->xsk_tx_list, list) {
xs->tx->ring->flags |= XDP_RING_NEED_WAKEUP;
}
rcu_read_unlock();
@@ -102,7 +84,7 @@ void xsk_clear_tx_need_wakeup(struct xdp_umem *umem)
return;
rcu_read_lock();
- list_for_each_entry_rcu(xs, &umem->xsk_list, list) {
+ list_for_each_entry_rcu(xs, &umem->xsk_tx_list, list) {
xs->tx->ring->flags &= ~XDP_RING_NEED_WAKEUP;
}
rcu_read_unlock();
@@ -117,76 +99,82 @@ bool xsk_umem_uses_need_wakeup(struct xdp_umem *umem)
}
EXPORT_SYMBOL(xsk_umem_uses_need_wakeup);
-/* If a buffer crosses a page boundary, we need to do 2 memcpy's, one for
- * each page. This is only required in copy mode.
- */
-static void __xsk_rcv_memcpy(struct xdp_umem *umem, u64 addr, void *from_buf,
- u32 len, u32 metalen)
+void xp_release(struct xdp_buff_xsk *xskb)
{
- void *to_buf = xdp_umem_get_data(umem, addr);
-
- addr = xsk_umem_add_offset_to_addr(addr);
- if (xskq_cons_crosses_non_contig_pg(umem, addr, len + metalen)) {
- void *next_pg_addr = umem->pages[(addr >> PAGE_SHIFT) + 1].addr;
- u64 page_start = addr & ~(PAGE_SIZE - 1);
- u64 first_len = PAGE_SIZE - (addr - page_start);
-
- memcpy(to_buf, from_buf, first_len);
- memcpy(next_pg_addr, from_buf + first_len,
- len + metalen - first_len);
+ xskb->pool->free_heads[xskb->pool->free_heads_cnt++] = xskb;
+}
- return;
- }
+static u64 xp_get_handle(struct xdp_buff_xsk *xskb)
+{
+ u64 offset = xskb->xdp.data - xskb->xdp.data_hard_start;
- memcpy(to_buf, from_buf, len + metalen);
+ offset += xskb->pool->headroom;
+ if (!xskb->pool->unaligned)
+ return xskb->orig_addr + offset;
+ return xskb->orig_addr + (offset << XSK_UNALIGNED_BUF_OFFSET_SHIFT);
}
-static int __xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
+static int __xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
{
- u64 offset = xs->umem->headroom;
- u64 addr, memcpy_addr;
- void *from_buf;
- u32 metalen;
+ struct xdp_buff_xsk *xskb = container_of(xdp, struct xdp_buff_xsk, xdp);
+ u64 addr;
int err;
- if (!xskq_cons_peek_addr(xs->umem->fq, &addr, xs->umem) ||
- len > xs->umem->chunk_size_nohr - XDP_PACKET_HEADROOM) {
+ addr = xp_get_handle(xskb);
+ err = xskq_prod_reserve_desc(xs->rx, addr, len);
+ if (err) {
xs->rx_dropped++;
- return -ENOSPC;
+ return err;
}
- if (unlikely(xdp_data_meta_unsupported(xdp))) {
- from_buf = xdp->data;
- metalen = 0;
- } else {
- from_buf = xdp->data_meta;
- metalen = xdp->data - xdp->data_meta;
- }
+ xp_release(xskb);
+ return 0;
+}
- memcpy_addr = xsk_umem_adjust_offset(xs->umem, addr, offset);
- __xsk_rcv_memcpy(xs->umem, memcpy_addr, from_buf, len, metalen);
+static void xsk_copy_xdp(struct xdp_buff *to, struct xdp_buff *from, u32 len)
+{
+ void *from_buf, *to_buf;
+ u32 metalen;
- offset += metalen;
- addr = xsk_umem_adjust_offset(xs->umem, addr, offset);
- err = xskq_prod_reserve_desc(xs->rx, addr, len);
- if (!err) {
- xskq_cons_release(xs->umem->fq);
- xdp_return_buff(xdp);
- return 0;
+ if (unlikely(xdp_data_meta_unsupported(from))) {
+ from_buf = from->data;
+ to_buf = to->data;
+ metalen = 0;
+ } else {
+ from_buf = from->data_meta;
+ metalen = from->data - from->data_meta;
+ to_buf = to->data - metalen;
}
- xs->rx_dropped++;
- return err;
+ memcpy(to_buf, from_buf, len + metalen);
}
-static int __xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
+static int __xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len,
+ bool explicit_free)
{
- int err = xskq_prod_reserve_desc(xs->rx, xdp->handle, len);
+ struct xdp_buff *xsk_xdp;
+ int err;
- if (err)
+ if (len > xsk_umem_get_rx_frame_size(xs->umem)) {
xs->rx_dropped++;
+ return -ENOSPC;
+ }
- return err;
+ xsk_xdp = xsk_buff_alloc(xs->umem);
+ if (!xsk_xdp) {
+ xs->rx_dropped++;
+ return -ENOSPC;
+ }
+
+ xsk_copy_xdp(xsk_xdp, xdp, len);
+ err = __xsk_rcv_zc(xs, xsk_xdp, len);
+ if (err) {
+ xsk_buff_free(xsk_xdp);
+ return err;
+ }
+ if (explicit_free)
+ xdp_return_buff(xdp);
+ return 0;
}
static bool xsk_is_bound(struct xdp_sock *xs)
@@ -199,7 +187,8 @@ static bool xsk_is_bound(struct xdp_sock *xs)
return false;
}
-static int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
+static int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp,
+ bool explicit_free)
{
u32 len;
@@ -211,8 +200,9 @@ static int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
len = xdp->data_end - xdp->data;
- return (xdp->rxq->mem.type == MEM_TYPE_ZERO_COPY) ?
- __xsk_rcv_zc(xs, xdp, len) : __xsk_rcv(xs, xdp, len);
+ return xdp->rxq->mem.type == MEM_TYPE_XSK_BUFF_POOL ?
+ __xsk_rcv_zc(xs, xdp, len) :
+ __xsk_rcv(xs, xdp, len, explicit_free);
}
static void xsk_flush(struct xdp_sock *xs)
@@ -224,46 +214,11 @@ static void xsk_flush(struct xdp_sock *xs)
int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
{
- u32 metalen = xdp->data - xdp->data_meta;
- u32 len = xdp->data_end - xdp->data;
- u64 offset = xs->umem->headroom;
- void *buffer;
- u64 addr;
int err;
spin_lock_bh(&xs->rx_lock);
-
- if (xs->dev != xdp->rxq->dev || xs->queue_id != xdp->rxq->queue_index) {
- err = -EINVAL;
- goto out_unlock;
- }
-
- if (!xskq_cons_peek_addr(xs->umem->fq, &addr, xs->umem) ||
- len > xs->umem->chunk_size_nohr - XDP_PACKET_HEADROOM) {
- err = -ENOSPC;
- goto out_drop;
- }
-
- addr = xsk_umem_adjust_offset(xs->umem, addr, offset);
- buffer = xdp_umem_get_data(xs->umem, addr);
- memcpy(buffer, xdp->data_meta, len + metalen);
-
- addr = xsk_umem_adjust_offset(xs->umem, addr, metalen);
- err = xskq_prod_reserve_desc(xs->rx, addr, len);
- if (err)
- goto out_drop;
-
- xskq_cons_release(xs->umem->fq);
- xskq_prod_submit(xs->rx);
-
- spin_unlock_bh(&xs->rx_lock);
-
- xs->sk.sk_data_ready(&xs->sk);
- return 0;
-
-out_drop:
- xs->rx_dropped++;
-out_unlock:
+ err = xsk_rcv(xs, xdp, false);
+ xsk_flush(xs);
spin_unlock_bh(&xs->rx_lock);
return err;
}
@@ -273,7 +228,7 @@ int __xsk_map_redirect(struct xdp_sock *xs, struct xdp_buff *xdp)
struct list_head *flush_list = this_cpu_ptr(&xskmap_flush_list);
int err;
- err = xsk_rcv(xs, xdp);
+ err = xsk_rcv(xs, xdp, true);
if (err)
return err;
@@ -305,7 +260,7 @@ void xsk_umem_consume_tx_done(struct xdp_umem *umem)
struct xdp_sock *xs;
rcu_read_lock();
- list_for_each_entry_rcu(xs, &umem->xsk_list, list) {
+ list_for_each_entry_rcu(xs, &umem->xsk_tx_list, list) {
__xskq_cons_release(xs->tx);
xs->sk.sk_write_space(&xs->sk);
}
@@ -318,11 +273,11 @@ bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc)
struct xdp_sock *xs;
rcu_read_lock();
- list_for_each_entry_rcu(xs, &umem->xsk_list, list) {
+ list_for_each_entry_rcu(xs, &umem->xsk_tx_list, list) {
if (!xskq_cons_peek_desc(xs->tx, desc, umem))
continue;
- /* This is the backpreassure mechanism for the Tx path.
+ /* This is the backpressure mechanism for the Tx path.
* Reserve space in the completion queue and only proceed
* if there is space in it. This avoids having to implement
* any buffering in the Tx path.
@@ -404,9 +359,9 @@ static int xsk_generic_xmit(struct sock *sk)
skb_put(skb, len);
addr = desc.addr;
- buffer = xdp_umem_get_data(xs->umem, addr);
+ buffer = xsk_buff_raw_get_data(xs->umem, addr);
err = skb_store_bits(skb, 0, buffer, len);
- /* This is the backpreassure mechanism for the Tx path.
+ /* This is the backpressure mechanism for the Tx path.
* Reserve space in the completion queue and only proceed
* if there is space in it. This avoids having to implement
* any buffering in the Tx path.
@@ -629,24 +584,6 @@ static struct socket *xsk_lookup_xsk_from_fd(int fd)
return sock;
}
-/* Check if umem pages are contiguous.
- * If zero-copy mode, use the DMA address to do the page contiguity check
- * For all other modes we use addr (kernel virtual address)
- * Store the result in the low bits of addr.
- */
-static void xsk_check_page_contiguity(struct xdp_umem *umem, u32 flags)
-{
- struct xdp_umem_page *pgs = umem->pages;
- int i, is_contig;
-
- for (i = 0; i < umem->npgs - 1; i++) {
- is_contig = (flags & XDP_ZEROCOPY) ?
- (pgs[i].dma + PAGE_SIZE == pgs[i + 1].dma) :
- (pgs[i].addr + PAGE_SIZE == pgs[i + 1].addr);
- pgs[i].addr += is_contig << XSK_NEXT_PG_CONTIG_SHIFT;
- }
-}
-
static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
{
struct sockaddr_xdp *sxdp = (struct sockaddr_xdp *)addr;
@@ -729,23 +666,14 @@ static int xsk_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
goto out_unlock;
} else {
/* This xsk has its own umem. */
- xskq_set_umem(xs->umem->fq, xs->umem->size,
- xs->umem->chunk_mask);
- xskq_set_umem(xs->umem->cq, xs->umem->size,
- xs->umem->chunk_mask);
-
err = xdp_umem_assign_dev(xs->umem, dev, qid, flags);
if (err)
goto out_unlock;
-
- xsk_check_page_contiguity(xs->umem, flags);
}
xs->dev = dev;
xs->zc = xs->umem->zc;
xs->queue_id = qid;
- xskq_set_umem(xs->rx, xs->umem->size, xs->umem->chunk_mask);
- xskq_set_umem(xs->tx, xs->umem->size, xs->umem->chunk_mask);
xdp_add_sk_umem(xs->umem, xs);
out_unlock:
@@ -860,6 +788,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname,
q = (optname == XDP_UMEM_FILL_RING) ? &xs->umem->fq :
&xs->umem->cq;
err = xsk_init_queue(entries, q, true);
+ if (optname == XDP_UMEM_FILL_RING)
+ xp_set_fq(xs->umem->pool, *q);
mutex_unlock(&xs->mutex);
return err;
}
diff --git a/net/xdp/xsk.h b/net/xdp/xsk.h
index 4cfd106bdb53..455ddd480f3d 100644
--- a/net/xdp/xsk.h
+++ b/net/xdp/xsk.h
@@ -4,6 +4,20 @@
#ifndef XSK_H_
#define XSK_H_
+/* Masks for xdp_umem_page flags.
+ * The low 12-bits of the addr will be 0 since this is the page address, so we
+ * can use them for flags.
+ */
+#define XSK_NEXT_PG_CONTIG_SHIFT 0
+#define XSK_NEXT_PG_CONTIG_MASK BIT_ULL(XSK_NEXT_PG_CONTIG_SHIFT)
+
+/* Flags for the umem flags field.
+ *
+ * The NEED_WAKEUP flag is 1 due to the reuse of the flags field for public
+ * flags. See inlude/uapi/include/linux/if_xdp.h.
+ */
+#define XDP_UMEM_USES_NEED_WAKEUP BIT(1)
+
struct xdp_ring_offset_v1 {
__u64 producer;
__u64 consumer;
@@ -17,9 +31,25 @@ struct xdp_mmap_offsets_v1 {
struct xdp_ring_offset_v1 cr;
};
+/* Nodes are linked in the struct xdp_sock map_list field, and used to
+ * track which maps a certain socket reside in.
+ */
+
+struct xsk_map_node {
+ struct list_head node;
+ struct xsk_map *map;
+ struct xdp_sock **map_entry;
+};
+
static inline struct xdp_sock *xdp_sk(struct sock *sk)
{
return (struct xdp_sock *)sk;
}
+bool xsk_is_setup_for_bpf_map(struct xdp_sock *xs);
+void xsk_map_try_sock_delete(struct xsk_map *map, struct xdp_sock *xs,
+ struct xdp_sock **map_entry);
+int xsk_map_inc(struct xsk_map *map);
+void xsk_map_put(struct xsk_map *map);
+
#endif /* XSK_H_ */
diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
new file mode 100644
index 000000000000..540ed75e4482
--- /dev/null
+++ b/net/xdp/xsk_buff_pool.c
@@ -0,0 +1,336 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <net/xsk_buff_pool.h>
+#include <net/xdp_sock.h>
+#include <linux/dma-direct.h>
+#include <linux/dma-noncoherent.h>
+#include <linux/swiotlb.h>
+
+#include "xsk_queue.h"
+
+static void xp_addr_unmap(struct xsk_buff_pool *pool)
+{
+ vunmap(pool->addrs);
+}
+
+static int xp_addr_map(struct xsk_buff_pool *pool,
+ struct page **pages, u32 nr_pages)
+{
+ pool->addrs = vmap(pages, nr_pages, VM_MAP, PAGE_KERNEL);
+ if (!pool->addrs)
+ return -ENOMEM;
+ return 0;
+}
+
+void xp_destroy(struct xsk_buff_pool *pool)
+{
+ if (!pool)
+ return;
+
+ xp_addr_unmap(pool);
+ kvfree(pool->heads);
+ kvfree(pool);
+}
+
+struct xsk_buff_pool *xp_create(struct page **pages, u32 nr_pages, u32 chunks,
+ u32 chunk_size, u32 headroom, u64 size,
+ bool unaligned)
+{
+ struct xsk_buff_pool *pool;
+ struct xdp_buff_xsk *xskb;
+ int err;
+ u32 i;
+
+ pool = kvzalloc(struct_size(pool, free_heads, chunks), GFP_KERNEL);
+ if (!pool)
+ goto out;
+
+ pool->heads = kvcalloc(chunks, sizeof(*pool->heads), GFP_KERNEL);
+ if (!pool->heads)
+ goto out;
+
+ pool->chunk_mask = ~((u64)chunk_size - 1);
+ pool->addrs_cnt = size;
+ pool->heads_cnt = chunks;
+ pool->free_heads_cnt = chunks;
+ pool->headroom = headroom;
+ pool->chunk_size = chunk_size;
+ pool->cheap_dma = true;
+ pool->unaligned = unaligned;
+ pool->frame_len = chunk_size - headroom - XDP_PACKET_HEADROOM;
+ INIT_LIST_HEAD(&pool->free_list);
+
+ for (i = 0; i < pool->free_heads_cnt; i++) {
+ xskb = &pool->heads[i];
+ xskb->pool = pool;
+ xskb->xdp.frame_sz = chunk_size - headroom;
+ pool->free_heads[i] = xskb;
+ }
+
+ err = xp_addr_map(pool, pages, nr_pages);
+ if (!err)
+ return pool;
+
+out:
+ xp_destroy(pool);
+ return NULL;
+}
+
+void xp_set_fq(struct xsk_buff_pool *pool, struct xsk_queue *fq)
+{
+ pool->fq = fq;
+}
+
+void xp_set_rxq_info(struct xsk_buff_pool *pool, struct xdp_rxq_info *rxq)
+{
+ u32 i;
+
+ for (i = 0; i < pool->heads_cnt; i++)
+ pool->heads[i].xdp.rxq = rxq;
+}
+EXPORT_SYMBOL(xp_set_rxq_info);
+
+void xp_dma_unmap(struct xsk_buff_pool *pool, unsigned long attrs)
+{
+ dma_addr_t *dma;
+ u32 i;
+
+ if (pool->dma_pages_cnt == 0)
+ return;
+
+ for (i = 0; i < pool->dma_pages_cnt; i++) {
+ dma = &pool->dma_pages[i];
+ if (*dma) {
+ dma_unmap_page_attrs(pool->dev, *dma, PAGE_SIZE,
+ DMA_BIDIRECTIONAL, attrs);
+ *dma = 0;
+ }
+ }
+
+ kvfree(pool->dma_pages);
+ pool->dma_pages_cnt = 0;
+ pool->dev = NULL;
+}
+EXPORT_SYMBOL(xp_dma_unmap);
+
+static void xp_check_dma_contiguity(struct xsk_buff_pool *pool)
+{
+ u32 i;
+
+ for (i = 0; i < pool->dma_pages_cnt - 1; i++) {
+ if (pool->dma_pages[i] + PAGE_SIZE == pool->dma_pages[i + 1])
+ pool->dma_pages[i] |= XSK_NEXT_PG_CONTIG_MASK;
+ else
+ pool->dma_pages[i] &= ~XSK_NEXT_PG_CONTIG_MASK;
+ }
+}
+
+static bool __maybe_unused xp_check_swiotlb_dma(struct xsk_buff_pool *pool)
+{
+#if defined(CONFIG_SWIOTLB)
+ phys_addr_t paddr;
+ u32 i;
+
+ for (i = 0; i < pool->dma_pages_cnt; i++) {
+ paddr = dma_to_phys(pool->dev, pool->dma_pages[i]);
+ if (is_swiotlb_buffer(paddr))
+ return false;
+ }
+#endif
+ return true;
+}
+
+static bool xp_check_cheap_dma(struct xsk_buff_pool *pool)
+{
+#if defined(CONFIG_HAS_DMA)
+ const struct dma_map_ops *ops = get_dma_ops(pool->dev);
+
+ if (ops) {
+ return !ops->sync_single_for_cpu &&
+ !ops->sync_single_for_device;
+ }
+
+ if (!dma_is_direct(ops))
+ return false;
+
+ if (!xp_check_swiotlb_dma(pool))
+ return false;
+
+ if (!dev_is_dma_coherent(pool->dev)) {
+#if defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU) || \
+ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_CPU_ALL) || \
+ defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE)
+ return false;
+#endif
+ }
+#endif
+ return true;
+}
+
+int xp_dma_map(struct xsk_buff_pool *pool, struct device *dev,
+ unsigned long attrs, struct page **pages, u32 nr_pages)
+{
+ dma_addr_t dma;
+ u32 i;
+
+ pool->dma_pages = kvcalloc(nr_pages, sizeof(*pool->dma_pages),
+ GFP_KERNEL);
+ if (!pool->dma_pages)
+ return -ENOMEM;
+
+ pool->dev = dev;
+ pool->dma_pages_cnt = nr_pages;
+
+ for (i = 0; i < pool->dma_pages_cnt; i++) {
+ dma = dma_map_page_attrs(dev, pages[i], 0, PAGE_SIZE,
+ DMA_BIDIRECTIONAL, attrs);
+ if (dma_mapping_error(dev, dma)) {
+ xp_dma_unmap(pool, attrs);
+ return -ENOMEM;
+ }
+ pool->dma_pages[i] = dma;
+ }
+
+ if (pool->unaligned)
+ xp_check_dma_contiguity(pool);
+
+ pool->dev = dev;
+ pool->cheap_dma = xp_check_cheap_dma(pool);
+ return 0;
+}
+EXPORT_SYMBOL(xp_dma_map);
+
+static bool xp_addr_crosses_non_contig_pg(struct xsk_buff_pool *pool,
+ u64 addr)
+{
+ return xp_desc_crosses_non_contig_pg(pool, addr, pool->chunk_size);
+}
+
+static bool xp_check_unaligned(struct xsk_buff_pool *pool, u64 *addr)
+{
+ *addr = xp_unaligned_extract_addr(*addr);
+ if (*addr >= pool->addrs_cnt ||
+ *addr + pool->chunk_size > pool->addrs_cnt ||
+ xp_addr_crosses_non_contig_pg(pool, *addr))
+ return false;
+ return true;
+}
+
+static bool xp_check_aligned(struct xsk_buff_pool *pool, u64 *addr)
+{
+ *addr = xp_aligned_extract_addr(pool, *addr);
+ return *addr < pool->addrs_cnt;
+}
+
+static struct xdp_buff_xsk *__xp_alloc(struct xsk_buff_pool *pool)
+{
+ struct xdp_buff_xsk *xskb;
+ u64 addr;
+ bool ok;
+
+ if (pool->free_heads_cnt == 0)
+ return NULL;
+
+ xskb = pool->free_heads[--pool->free_heads_cnt];
+
+ for (;;) {
+ if (!xskq_cons_peek_addr_unchecked(pool->fq, &addr)) {
+ xp_release(xskb);
+ return NULL;
+ }
+
+ ok = pool->unaligned ? xp_check_unaligned(pool, &addr) :
+ xp_check_aligned(pool, &addr);
+ if (!ok) {
+ pool->fq->invalid_descs++;
+ xskq_cons_release(pool->fq);
+ continue;
+ }
+ break;
+ }
+ xskq_cons_release(pool->fq);
+
+ xskb->orig_addr = addr;
+ xskb->xdp.data_hard_start = pool->addrs + addr + pool->headroom;
+ if (pool->dma_pages_cnt) {
+ xskb->frame_dma = (pool->dma_pages[addr >> PAGE_SHIFT] &
+ ~XSK_NEXT_PG_CONTIG_MASK) +
+ (addr & ~PAGE_MASK);
+ xskb->dma = xskb->frame_dma + pool->headroom +
+ XDP_PACKET_HEADROOM;
+ }
+ return xskb;
+}
+
+struct xdp_buff *xp_alloc(struct xsk_buff_pool *pool)
+{
+ struct xdp_buff_xsk *xskb;
+
+ if (!pool->free_list_cnt) {
+ xskb = __xp_alloc(pool);
+ if (!xskb)
+ return NULL;
+ } else {
+ pool->free_list_cnt--;
+ xskb = list_first_entry(&pool->free_list, struct xdp_buff_xsk,
+ free_list_node);
+ list_del(&xskb->free_list_node);
+ }
+
+ xskb->xdp.data = xskb->xdp.data_hard_start + XDP_PACKET_HEADROOM;
+ xskb->xdp.data_meta = xskb->xdp.data;
+
+ if (!pool->cheap_dma) {
+ dma_sync_single_range_for_device(pool->dev, xskb->dma, 0,
+ pool->frame_len,
+ DMA_BIDIRECTIONAL);
+ }
+ return &xskb->xdp;
+}
+EXPORT_SYMBOL(xp_alloc);
+
+bool xp_can_alloc(struct xsk_buff_pool *pool, u32 count)
+{
+ if (pool->free_list_cnt >= count)
+ return true;
+ return xskq_cons_has_entries(pool->fq, count - pool->free_list_cnt);
+}
+EXPORT_SYMBOL(xp_can_alloc);
+
+void xp_free(struct xdp_buff_xsk *xskb)
+{
+ xskb->pool->free_list_cnt++;
+ list_add(&xskb->free_list_node, &xskb->pool->free_list);
+}
+EXPORT_SYMBOL(xp_free);
+
+void *xp_raw_get_data(struct xsk_buff_pool *pool, u64 addr)
+{
+ addr = pool->unaligned ? xp_unaligned_add_offset_to_addr(addr) : addr;
+ return pool->addrs + addr;
+}
+EXPORT_SYMBOL(xp_raw_get_data);
+
+dma_addr_t xp_raw_get_dma(struct xsk_buff_pool *pool, u64 addr)
+{
+ addr = pool->unaligned ? xp_unaligned_add_offset_to_addr(addr) : addr;
+ return (pool->dma_pages[addr >> PAGE_SHIFT] &
+ ~XSK_NEXT_PG_CONTIG_MASK) +
+ (addr & ~PAGE_MASK);
+}
+EXPORT_SYMBOL(xp_raw_get_dma);
+
+void xp_dma_sync_for_cpu_slow(struct xdp_buff_xsk *xskb)
+{
+ dma_sync_single_range_for_cpu(xskb->pool->dev, xskb->dma, 0,
+ xskb->pool->frame_len, DMA_BIDIRECTIONAL);
+}
+EXPORT_SYMBOL(xp_dma_sync_for_cpu_slow);
+
+void xp_dma_sync_for_device_slow(struct xsk_buff_pool *pool, dma_addr_t dma,
+ size_t size)
+{
+ dma_sync_single_range_for_device(pool->dev, dma, 0,
+ size, DMA_BIDIRECTIONAL);
+}
+EXPORT_SYMBOL(xp_dma_sync_for_device_slow);
diff --git a/net/xdp/xsk_diag.c b/net/xdp/xsk_diag.c
index f59791ba43a0..0163b26aaf63 100644
--- a/net/xdp/xsk_diag.c
+++ b/net/xdp/xsk_diag.c
@@ -56,7 +56,7 @@ static int xsk_diag_put_umem(const struct xdp_sock *xs, struct sk_buff *nlskb)
du.id = umem->id;
du.size = umem->size;
du.num_pages = umem->npgs;
- du.chunk_size = umem->chunk_size_nohr + umem->headroom;
+ du.chunk_size = umem->chunk_size;
du.headroom = umem->headroom;
du.ifindex = umem->dev ? umem->dev->ifindex : 0;
du.queue_id = umem->queue_id;
diff --git a/net/xdp/xsk_queue.c b/net/xdp/xsk_queue.c
index c90e9c1e3c63..6cf9586e5027 100644
--- a/net/xdp/xsk_queue.c
+++ b/net/xdp/xsk_queue.c
@@ -6,18 +6,10 @@
#include <linux/log2.h>
#include <linux/slab.h>
#include <linux/overflow.h>
+#include <net/xdp_sock_drv.h>
#include "xsk_queue.h"
-void xskq_set_umem(struct xsk_queue *q, u64 size, u64 chunk_mask)
-{
- if (!q)
- return;
-
- q->size = size;
- q->chunk_mask = chunk_mask;
-}
-
static size_t xskq_get_ring_size(struct xsk_queue *q, bool umem_queue)
{
struct xdp_umem_ring *umem_ring;
@@ -63,56 +55,3 @@ void xskq_destroy(struct xsk_queue *q)
page_frag_free(q->ring);
kfree(q);
}
-
-struct xdp_umem_fq_reuse *xsk_reuseq_prepare(u32 nentries)
-{
- struct xdp_umem_fq_reuse *newq;
-
- /* Check for overflow */
- if (nentries > (u32)roundup_pow_of_two(nentries))
- return NULL;
- nentries = roundup_pow_of_two(nentries);
-
- newq = kvmalloc(struct_size(newq, handles, nentries), GFP_KERNEL);
- if (!newq)
- return NULL;
- memset(newq, 0, offsetof(typeof(*newq), handles));
-
- newq->nentries = nentries;
- return newq;
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_prepare);
-
-struct xdp_umem_fq_reuse *xsk_reuseq_swap(struct xdp_umem *umem,
- struct xdp_umem_fq_reuse *newq)
-{
- struct xdp_umem_fq_reuse *oldq = umem->fq_reuse;
-
- if (!oldq) {
- umem->fq_reuse = newq;
- return NULL;
- }
-
- if (newq->nentries < oldq->length)
- return newq;
-
- memcpy(newq->handles, oldq->handles,
- array_size(oldq->length, sizeof(u64)));
- newq->length = oldq->length;
-
- umem->fq_reuse = newq;
- return oldq;
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_swap);
-
-void xsk_reuseq_free(struct xdp_umem_fq_reuse *rq)
-{
- kvfree(rq);
-}
-EXPORT_SYMBOL_GPL(xsk_reuseq_free);
-
-void xsk_reuseq_destroy(struct xdp_umem *umem)
-{
- xsk_reuseq_free(umem->fq_reuse);
- umem->fq_reuse = NULL;
-}
diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h
index b50bb5c76da5..5b5d24d2dd37 100644
--- a/net/xdp/xsk_queue.h
+++ b/net/xdp/xsk_queue.h
@@ -9,6 +9,9 @@
#include <linux/types.h>
#include <linux/if_xdp.h>
#include <net/xdp_sock.h>
+#include <net/xsk_buff_pool.h>
+
+#include "xsk.h"
struct xdp_ring {
u32 producer ____cacheline_aligned_in_smp;
@@ -29,8 +32,6 @@ struct xdp_umem_ring {
};
struct xsk_queue {
- u64 chunk_mask;
- u64 size;
u32 ring_mask;
u32 nentries;
u32 cached_prod;
@@ -103,98 +104,73 @@ struct xsk_queue {
/* Functions that read and validate content from consumer rings. */
-static inline bool xskq_cons_crosses_non_contig_pg(struct xdp_umem *umem,
- u64 addr,
- u64 length)
+static inline bool xskq_cons_read_addr_unchecked(struct xsk_queue *q, u64 *addr)
{
- bool cross_pg = (addr & (PAGE_SIZE - 1)) + length > PAGE_SIZE;
- bool next_pg_contig =
- (unsigned long)umem->pages[(addr >> PAGE_SHIFT)].addr &
- XSK_NEXT_PG_CONTIG_MASK;
-
- return cross_pg && !next_pg_contig;
-}
+ struct xdp_umem_ring *ring = (struct xdp_umem_ring *)q->ring;
-static inline bool xskq_cons_is_valid_unaligned(struct xsk_queue *q,
- u64 addr,
- u64 length,
- struct xdp_umem *umem)
-{
- u64 base_addr = xsk_umem_extract_addr(addr);
+ if (q->cached_cons != q->cached_prod) {
+ u32 idx = q->cached_cons & q->ring_mask;
- addr = xsk_umem_add_offset_to_addr(addr);
- if (base_addr >= q->size || addr >= q->size ||
- xskq_cons_crosses_non_contig_pg(umem, addr, length)) {
- q->invalid_descs++;
- return false;
+ *addr = ring->desc[idx];
+ return true;
}
- return true;
+ return false;
}
-static inline bool xskq_cons_is_valid_addr(struct xsk_queue *q, u64 addr)
+static inline bool xp_aligned_validate_desc(struct xsk_buff_pool *pool,
+ struct xdp_desc *desc)
{
- if (addr >= q->size) {
- q->invalid_descs++;
+ u64 chunk, chunk_end;
+
+ chunk = xp_aligned_extract_addr(pool, desc->addr);
+ chunk_end = xp_aligned_extract_addr(pool, desc->addr + desc->len);
+ if (chunk != chunk_end)
+ return false;
+
+ if (chunk >= pool->addrs_cnt)
return false;
- }
+ if (desc->options)
+ return false;
return true;
}
-static inline bool xskq_cons_read_addr(struct xsk_queue *q, u64 *addr,
- struct xdp_umem *umem)
+static inline bool xp_unaligned_validate_desc(struct xsk_buff_pool *pool,
+ struct xdp_desc *desc)
{
- struct xdp_umem_ring *ring = (struct xdp_umem_ring *)q->ring;
-
- while (q->cached_cons != q->cached_prod) {
- u32 idx = q->cached_cons & q->ring_mask;
+ u64 addr, base_addr;
- *addr = ring->desc[idx] & q->chunk_mask;
+ base_addr = xp_unaligned_extract_addr(desc->addr);
+ addr = xp_unaligned_add_offset_to_addr(desc->addr);
- if (umem->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG) {
- if (xskq_cons_is_valid_unaligned(q, *addr,
- umem->chunk_size_nohr,
- umem))
- return true;
- goto out;
- }
+ if (desc->len > pool->chunk_size)
+ return false;
- if (xskq_cons_is_valid_addr(q, *addr))
- return true;
+ if (base_addr >= pool->addrs_cnt || addr >= pool->addrs_cnt ||
+ xp_desc_crosses_non_contig_pg(pool, addr, desc->len))
+ return false;
-out:
- q->cached_cons++;
- }
+ if (desc->options)
+ return false;
+ return true;
+}
- return false;
+static inline bool xp_validate_desc(struct xsk_buff_pool *pool,
+ struct xdp_desc *desc)
+{
+ return pool->unaligned ? xp_unaligned_validate_desc(pool, desc) :
+ xp_aligned_validate_desc(pool, desc);
}
static inline bool xskq_cons_is_valid_desc(struct xsk_queue *q,
struct xdp_desc *d,
struct xdp_umem *umem)
{
- if (umem->flags & XDP_UMEM_UNALIGNED_CHUNK_FLAG) {
- if (!xskq_cons_is_valid_unaligned(q, d->addr, d->len, umem))
- return false;
-
- if (d->len > umem->chunk_size_nohr || d->options) {
- q->invalid_descs++;
- return false;
- }
-
- return true;
- }
-
- if (!xskq_cons_is_valid_addr(q, d->addr))
- return false;
-
- if (((d->addr + d->len) & q->chunk_mask) != (d->addr & q->chunk_mask) ||
- d->options) {
+ if (!xp_validate_desc(umem->pool, d)) {
q->invalid_descs++;
return false;
}
-
return true;
}
@@ -250,12 +226,11 @@ static inline bool xskq_cons_has_entries(struct xsk_queue *q, u32 cnt)
return entries >= cnt;
}
-static inline bool xskq_cons_peek_addr(struct xsk_queue *q, u64 *addr,
- struct xdp_umem *umem)
+static inline bool xskq_cons_peek_addr_unchecked(struct xsk_queue *q, u64 *addr)
{
if (q->cached_prod == q->cached_cons)
xskq_cons_get_entries(q);
- return xskq_cons_read_addr(q, addr, umem);
+ return xskq_cons_read_addr_unchecked(q, addr);
}
static inline bool xskq_cons_peek_desc(struct xsk_queue *q,
@@ -379,11 +354,7 @@ static inline u64 xskq_nb_invalid_descs(struct xsk_queue *q)
return q ? q->invalid_descs : 0;
}
-void xskq_set_umem(struct xsk_queue *q, u64 size, u64 chunk_mask);
struct xsk_queue *xskq_create(u32 nentries, bool umem_queue);
void xskq_destroy(struct xsk_queue *q_ops);
-/* Executed by the core when the entire UMEM gets freed */
-void xsk_reuseq_destroy(struct xdp_umem *umem);
-
#endif /* _LINUX_XSK_QUEUE_H */
diff --git a/kernel/bpf/xskmap.c b/net/xdp/xskmap.c
index 2cc5c8f4c800..1dc7208c71ba 100644
--- a/kernel/bpf/xskmap.c
+++ b/net/xdp/xskmap.c
@@ -9,6 +9,8 @@
#include <linux/slab.h>
#include <linux/sched.h>
+#include "xsk.h"
+
int xsk_map_inc(struct xsk_map *map)
{
bpf_map_inc(&map->map);
diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
index 6921a18201a0..b7fd9c838416 100644
--- a/net/xfrm/Kconfig
+++ b/net/xfrm/Kconfig
@@ -99,4 +99,7 @@ config NET_KEY_MIGRATE
If unsure, say N.
+config XFRM_ESPINTCP
+ bool
+
endif # INET
diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile
index 212a4fcb4a88..2d4bb4b9f75e 100644
--- a/net/xfrm/Makefile
+++ b/net/xfrm/Makefile
@@ -11,4 +11,4 @@ obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
obj-$(CONFIG_XFRM_USER) += xfrm_user.o
obj-$(CONFIG_XFRM_IPCOMP) += xfrm_ipcomp.o
obj-$(CONFIG_XFRM_INTERFACE) += xfrm_interface.o
-obj-$(CONFIG_INET_ESPINTCP) += espintcp.o
+obj-$(CONFIG_XFRM_ESPINTCP) += espintcp.o
diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c
index 037ea156d2f9..100e29682b48 100644
--- a/net/xfrm/espintcp.c
+++ b/net/xfrm/espintcp.c
@@ -6,6 +6,9 @@
#include <net/espintcp.h>
#include <linux/skmsg.h>
#include <net/inet_common.h>
+#if IS_ENABLED(CONFIG_IPV6)
+#include <net/ipv6_stubs.h>
+#endif
static void handle_nonesp(struct espintcp_ctx *ctx, struct sk_buff *skb,
struct sock *sk)
@@ -31,7 +34,12 @@ static void handle_esp(struct sk_buff *skb, struct sock *sk)
rcu_read_lock();
skb->dev = dev_get_by_index_rcu(sock_net(sk), skb->skb_iif);
local_bh_disable();
- xfrm4_rcv_encap(skb, IPPROTO_ESP, 0, TCP_ENCAP_ESPINTCP);
+#if IS_ENABLED(CONFIG_IPV6)
+ if (sk->sk_family == AF_INET6)
+ ipv6_stub->xfrm6_rcv_encap(skb, IPPROTO_ESP, 0, TCP_ENCAP_ESPINTCP);
+ else
+#endif
+ xfrm4_rcv_encap(skb, IPPROTO_ESP, 0, TCP_ENCAP_ESPINTCP);
local_bh_enable();
rcu_read_unlock();
}
@@ -347,6 +355,9 @@ unlock:
static struct proto espintcp_prot __ro_after_init;
static struct proto_ops espintcp_ops __ro_after_init;
+static struct proto espintcp6_prot;
+static struct proto_ops espintcp6_ops;
+static DEFINE_MUTEX(tcpv6_prot_mutex);
static void espintcp_data_ready(struct sock *sk)
{
@@ -379,15 +390,20 @@ static void espintcp_destruct(struct sock *sk)
{
struct espintcp_ctx *ctx = espintcp_getctx(sk);
+ ctx->saved_destruct(sk);
kfree(ctx);
}
bool tcp_is_ulp_esp(struct sock *sk)
{
- return sk->sk_prot == &espintcp_prot;
+ return sk->sk_prot == &espintcp_prot || sk->sk_prot == &espintcp6_prot;
}
EXPORT_SYMBOL_GPL(tcp_is_ulp_esp);
+static void build_protos(struct proto *espintcp_prot,
+ struct proto_ops *espintcp_ops,
+ const struct proto *orig_prot,
+ const struct proto_ops *orig_ops);
static int espintcp_init_sk(struct sock *sk)
{
struct inet_connection_sock *icsk = inet_csk(sk);
@@ -415,10 +431,22 @@ static int espintcp_init_sk(struct sock *sk)
strp_check_rcv(&ctx->strp);
skb_queue_head_init(&ctx->ike_queue);
skb_queue_head_init(&ctx->out_queue);
- sk->sk_prot = &espintcp_prot;
- sk->sk_socket->ops = &espintcp_ops;
+
+ if (sk->sk_family == AF_INET) {
+ sk->sk_prot = &espintcp_prot;
+ sk->sk_socket->ops = &espintcp_ops;
+ } else {
+ mutex_lock(&tcpv6_prot_mutex);
+ if (!espintcp6_prot.recvmsg)
+ build_protos(&espintcp6_prot, &espintcp6_ops, sk->sk_prot, sk->sk_socket->ops);
+ mutex_unlock(&tcpv6_prot_mutex);
+
+ sk->sk_prot = &espintcp6_prot;
+ sk->sk_socket->ops = &espintcp6_ops;
+ }
ctx->saved_data_ready = sk->sk_data_ready;
ctx->saved_write_space = sk->sk_write_space;
+ ctx->saved_destruct = sk->sk_destruct;
sk->sk_data_ready = espintcp_data_ready;
sk->sk_write_space = espintcp_write_space;
sk->sk_destruct = espintcp_destruct;
@@ -489,6 +517,20 @@ static __poll_t espintcp_poll(struct file *file, struct socket *sock,
return mask;
}
+static void build_protos(struct proto *espintcp_prot,
+ struct proto_ops *espintcp_ops,
+ const struct proto *orig_prot,
+ const struct proto_ops *orig_ops)
+{
+ memcpy(espintcp_prot, orig_prot, sizeof(struct proto));
+ memcpy(espintcp_ops, orig_ops, sizeof(struct proto_ops));
+ espintcp_prot->sendmsg = espintcp_sendmsg;
+ espintcp_prot->recvmsg = espintcp_recvmsg;
+ espintcp_prot->close = espintcp_close;
+ espintcp_prot->release_cb = espintcp_release;
+ espintcp_ops->poll = espintcp_poll;
+}
+
static struct tcp_ulp_ops espintcp_ulp __read_mostly = {
.name = "espintcp",
.owner = THIS_MODULE,
@@ -497,13 +539,7 @@ static struct tcp_ulp_ops espintcp_ulp __read_mostly = {
void __init espintcp_init(void)
{
- memcpy(&espintcp_prot, &tcp_prot, sizeof(tcp_prot));
- memcpy(&espintcp_ops, &inet_stream_ops, sizeof(inet_stream_ops));
- espintcp_prot.sendmsg = espintcp_sendmsg;
- espintcp_prot.recvmsg = espintcp_recvmsg;
- espintcp_prot.close = espintcp_close;
- espintcp_prot.release_cb = espintcp_release;
- espintcp_ops.poll = espintcp_poll;
+ build_protos(&espintcp_prot, &espintcp_ops, &tcp_prot, &inet_stream_ops);
tcp_register_ulp(&espintcp_ulp);
}
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 6cc7f7f1dd68..f50d1f97cf8e 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -25,12 +25,10 @@ static void __xfrm_transport_prep(struct xfrm_state *x, struct sk_buff *skb,
struct xfrm_offload *xo = xfrm_offload(skb);
skb_reset_mac_len(skb);
- pskb_pull(skb, skb->mac_len + hsize + x->props.header_len);
-
- if (xo->flags & XFRM_GSO_SEGMENT) {
- skb_reset_transport_header(skb);
+ if (xo->flags & XFRM_GSO_SEGMENT)
skb->transport_header -= x->props.header_len;
- }
+
+ pskb_pull(skb, skb_transport_offset(skb) + x->props.header_len);
}
static void __xfrm_mode_tunnel_prep(struct xfrm_state *x, struct sk_buff *skb,
diff --git a/net/xfrm/xfrm_inout.h b/net/xfrm/xfrm_inout.h
index c7b0318938e2..efc5e6b2e87b 100644
--- a/net/xfrm/xfrm_inout.h
+++ b/net/xfrm/xfrm_inout.h
@@ -6,6 +6,38 @@
#ifndef XFRM_INOUT_H
#define XFRM_INOUT_H 1
+static inline void xfrm4_extract_header(struct sk_buff *skb)
+{
+ const struct iphdr *iph = ip_hdr(skb);
+
+ XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
+ XFRM_MODE_SKB_CB(skb)->id = iph->id;
+ XFRM_MODE_SKB_CB(skb)->frag_off = iph->frag_off;
+ XFRM_MODE_SKB_CB(skb)->tos = iph->tos;
+ XFRM_MODE_SKB_CB(skb)->ttl = iph->ttl;
+ XFRM_MODE_SKB_CB(skb)->optlen = iph->ihl * 4 - sizeof(*iph);
+ memset(XFRM_MODE_SKB_CB(skb)->flow_lbl, 0,
+ sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
+}
+
+static inline void xfrm6_extract_header(struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_IPV6)
+ struct ipv6hdr *iph = ipv6_hdr(skb);
+
+ XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
+ XFRM_MODE_SKB_CB(skb)->id = 0;
+ XFRM_MODE_SKB_CB(skb)->frag_off = htons(IP_DF);
+ XFRM_MODE_SKB_CB(skb)->tos = ipv6_get_dsfield(iph);
+ XFRM_MODE_SKB_CB(skb)->ttl = iph->hop_limit;
+ XFRM_MODE_SKB_CB(skb)->optlen = 0;
+ memcpy(XFRM_MODE_SKB_CB(skb)->flow_lbl, iph->flow_lbl,
+ sizeof(XFRM_MODE_SKB_CB(skb)->flow_lbl));
+#else
+ WARN_ON_ONCE(1);
+#endif
+}
+
static inline void xfrm6_beet_make_header(struct sk_buff *skb)
{
struct ipv6hdr *iph = ipv6_hdr(skb);
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index aa35f23c4912..bd984ff17c2d 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -353,17 +353,18 @@ xfrm_inner_mode_encap_remove(struct xfrm_state *x,
static int xfrm_prepare_input(struct xfrm_state *x, struct sk_buff *skb)
{
const struct xfrm_mode *inner_mode = &x->inner_mode;
- const struct xfrm_state_afinfo *afinfo;
- int err = -EAFNOSUPPORT;
-
- rcu_read_lock();
- afinfo = xfrm_state_afinfo_get_rcu(x->outer_mode.family);
- if (likely(afinfo))
- err = afinfo->extract_input(x, skb);
- rcu_read_unlock();
- if (err)
- return err;
+ switch (x->outer_mode.family) {
+ case AF_INET:
+ xfrm4_extract_header(skb);
+ break;
+ case AF_INET6:
+ xfrm6_extract_header(skb);
+ break;
+ default:
+ WARN_ON_ONCE(1);
+ return -EAFNOSUPPORT;
+ }
if (x->sel.family == AF_UNSPEC) {
inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol);
@@ -644,7 +645,7 @@ resume:
dev_put(skb->dev);
spin_lock(&x->lock);
- if (nexthdr <= 0) {
+ if (nexthdr < 0) {
if (nexthdr == -EBADMSG) {
xfrm_audit_state_icvfail(x, skb,
x->type->proto);
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 3361e3ac5714..c407ecbc5d46 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -145,7 +145,6 @@ static int xfrmi_create(struct net_device *dev)
if (err < 0)
goto out;
- dev_hold(dev);
xfrmi_link(xfrmn, xi);
return 0;
@@ -175,7 +174,6 @@ static void xfrmi_dev_uninit(struct net_device *dev)
struct xfrmi_net *xfrmn = net_generic(xi->net, xfrmi_net_id);
xfrmi_unlink(xfrmn, xi);
- dev_put(dev);
}
static void xfrmi_scrub_packet(struct sk_buff *skb, bool xnet)
@@ -750,13 +748,35 @@ static struct rtnl_link_ops xfrmi_link_ops __read_mostly = {
.get_link_net = xfrmi_get_link_net,
};
+static void __net_exit xfrmi_exit_batch_net(struct list_head *net_exit_list)
+{
+ struct net *net;
+ LIST_HEAD(list);
+
+ rtnl_lock();
+ list_for_each_entry(net, net_exit_list, exit_list) {
+ struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
+ struct xfrm_if __rcu **xip;
+ struct xfrm_if *xi;
+
+ for (xip = &xfrmn->xfrmi[0];
+ (xi = rtnl_dereference(*xip)) != NULL;
+ xip = &xi->next)
+ unregister_netdevice_queue(xi->dev, &list);
+ }
+ unregister_netdevice_many(&list);
+ rtnl_unlock();
+}
+
static struct pernet_operations xfrmi_net_ops = {
+ .exit_batch = xfrmi_exit_batch_net,
.id = &xfrmi_net_id,
.size = sizeof(struct xfrmi_net),
};
static struct xfrm6_protocol xfrmi_esp6_protocol __read_mostly = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi6_err,
.priority = 10,
@@ -764,6 +784,7 @@ static struct xfrm6_protocol xfrmi_esp6_protocol __read_mostly = {
static struct xfrm6_protocol xfrmi_ah6_protocol __read_mostly = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi6_err,
.priority = 10,
@@ -771,6 +792,7 @@ static struct xfrm6_protocol xfrmi_ah6_protocol __read_mostly = {
static struct xfrm6_protocol xfrmi_ipcomp6_protocol __read_mostly = {
.handler = xfrm6_rcv,
+ .input_handler = xfrm_input,
.cb_handler = xfrmi_rcv_cb,
.err_handler = xfrmi6_err,
.priority = 10,
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 2fd3d990d992..e4c23f69f69f 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -13,9 +13,15 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <net/dst.h>
+#include <net/icmp.h>
#include <net/inet_ecn.h>
#include <net/xfrm.h>
+#if IS_ENABLED(CONFIG_IPV6)
+#include <net/ip6_route.h>
+#include <net/ipv6_stubs.h>
+#endif
+
#include "xfrm_inout.h"
static int xfrm_output2(struct net *net, struct sock *sk, struct sk_buff *skb);
@@ -565,6 +571,22 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb)
struct xfrm_state *x = skb_dst(skb)->xfrm;
int err;
+ switch (x->outer_mode.family) {
+ case AF_INET:
+ memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+#ifdef CONFIG_NETFILTER
+ IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
+#endif
+ break;
+ case AF_INET6:
+ memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+
+#ifdef CONFIG_NETFILTER
+ IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
+#endif
+ break;
+ }
+
secpath_reset(skb);
if (xfrm_dev_offload_ok(skb, x)) {
@@ -583,18 +605,20 @@ int xfrm_output(struct sock *sk, struct sk_buff *skb)
xfrm_state_hold(x);
if (skb_is_gso(skb)) {
- skb_shinfo(skb)->gso_type |= SKB_GSO_ESP;
+ if (skb->inner_protocol)
+ return xfrm_output_gso(net, sk, skb);
- return xfrm_output2(net, sk, skb);
+ skb_shinfo(skb)->gso_type |= SKB_GSO_ESP;
+ goto out;
}
if (x->xso.dev && x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM)
goto out;
+ } else {
+ if (skb_is_gso(skb))
+ return xfrm_output_gso(net, sk, skb);
}
- if (skb_is_gso(skb))
- return xfrm_output_gso(net, sk, skb);
-
if (skb->ip_summed == CHECKSUM_PARTIAL) {
err = skb_checksum_help(skb);
if (err) {
@@ -609,11 +633,101 @@ out:
}
EXPORT_SYMBOL_GPL(xfrm_output);
+static int xfrm4_tunnel_check_size(struct sk_buff *skb)
+{
+ int mtu, ret = 0;
+
+ if (IPCB(skb)->flags & IPSKB_XFRM_TUNNEL_SIZE)
+ goto out;
+
+ if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->ignore_df)
+ goto out;
+
+ mtu = dst_mtu(skb_dst(skb));
+ if ((!skb_is_gso(skb) && skb->len > mtu) ||
+ (skb_is_gso(skb) &&
+ !skb_gso_validate_network_len(skb, ip_skb_dst_mtu(skb->sk, skb)))) {
+ skb->protocol = htons(ETH_P_IP);
+
+ if (skb->sk)
+ xfrm_local_error(skb, mtu);
+ else
+ icmp_send(skb, ICMP_DEST_UNREACH,
+ ICMP_FRAG_NEEDED, htonl(mtu));
+ ret = -EMSGSIZE;
+ }
+out:
+ return ret;
+}
+
+static int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb)
+{
+ int err;
+
+ err = xfrm4_tunnel_check_size(skb);
+ if (err)
+ return err;
+
+ XFRM_MODE_SKB_CB(skb)->protocol = ip_hdr(skb)->protocol;
+
+ xfrm4_extract_header(skb);
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_IPV6)
+static int xfrm6_tunnel_check_size(struct sk_buff *skb)
+{
+ int mtu, ret = 0;
+ struct dst_entry *dst = skb_dst(skb);
+
+ if (skb->ignore_df)
+ goto out;
+
+ mtu = dst_mtu(dst);
+ if (mtu < IPV6_MIN_MTU)
+ mtu = IPV6_MIN_MTU;
+
+ if ((!skb_is_gso(skb) && skb->len > mtu) ||
+ (skb_is_gso(skb) &&
+ !skb_gso_validate_network_len(skb, ip6_skb_dst_mtu(skb)))) {
+ skb->dev = dst->dev;
+ skb->protocol = htons(ETH_P_IPV6);
+
+ if (xfrm6_local_dontfrag(skb->sk))
+ ipv6_stub->xfrm6_local_rxpmtu(skb, mtu);
+ else if (skb->sk)
+ xfrm_local_error(skb, mtu);
+ else
+ icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
+ ret = -EMSGSIZE;
+ }
+out:
+ return ret;
+}
+#endif
+
+static int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_IPV6)
+ int err;
+
+ err = xfrm6_tunnel_check_size(skb);
+ if (err)
+ return err;
+
+ XFRM_MODE_SKB_CB(skb)->protocol = ipv6_hdr(skb)->nexthdr;
+
+ xfrm6_extract_header(skb);
+ return 0;
+#else
+ WARN_ON_ONCE(1);
+ return -EAFNOSUPPORT;
+#endif
+}
+
static int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
{
- const struct xfrm_state_afinfo *afinfo;
const struct xfrm_mode *inner_mode;
- int err = -EAFNOSUPPORT;
if (x->sel.family == AF_UNSPEC)
inner_mode = xfrm_ip2inner_mode(x,
@@ -624,13 +738,14 @@ static int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
if (inner_mode == NULL)
return -EAFNOSUPPORT;
- rcu_read_lock();
- afinfo = xfrm_state_afinfo_get_rcu(inner_mode->family);
- if (likely(afinfo))
- err = afinfo->extract_output(x, skb);
- rcu_read_unlock();
+ switch (inner_mode->family) {
+ case AF_INET:
+ return xfrm4_extract_output(x, skb);
+ case AF_INET6:
+ return xfrm6_extract_output(x, skb);
+ }
- return err;
+ return -EAFNOSUPPORT;
}
void xfrm_local_error(struct sk_buff *skb, int mtu)
@@ -640,7 +755,8 @@ void xfrm_local_error(struct sk_buff *skb, int mtu)
if (skb->protocol == htons(ETH_P_IP))
proto = AF_INET;
- else if (skb->protocol == htons(ETH_P_IPV6))
+ else if (skb->protocol == htons(ETH_P_IPV6) &&
+ skb->sk->sk_family == AF_INET6)
proto = AF_INET6;
else
return;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 297b2fdb3c29..564aa6492e7c 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1436,12 +1436,7 @@ static void xfrm_policy_requeue(struct xfrm_policy *old,
static bool xfrm_policy_mark_match(struct xfrm_policy *policy,
struct xfrm_policy *pol)
{
- u32 mark = policy->mark.v & policy->mark.m;
-
- if (policy->mark.v == pol->mark.v && policy->mark.m == pol->mark.m)
- return true;
-
- if ((mark & pol->mark.m) == pol->mark.v &&
+ if (policy->mark.v == pol->mark.v &&
policy->priority == pol->priority)
return true;
diff --git a/samples/Kconfig b/samples/Kconfig
index 9d236c346de5..205076cf234e 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -171,7 +171,7 @@ config SAMPLE_VFIO_MDEV_MBOCHS
config SAMPLE_ANDROID_BINDERFS
bool "Build Android binderfs example"
- depends on CONFIG_ANDROID_BINDERFS
+ depends on ANDROID_BINDERFS
help
Builds a sample program to illustrate the use of the Android binderfs
filesystem.
diff --git a/samples/binderfs/Makefile b/samples/binderfs/Makefile
index ea4c93d36256..a3ac5476338a 100644
--- a/samples/binderfs/Makefile
+++ b/samples/binderfs/Makefile
@@ -1,2 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_SAMPLE_ANDROID_BINDERFS) += binderfs_example.o
+ifndef CROSS_COMPILE
+ifdef CONFIG_SAMPLE_ANDROID_BINDERFS
+hostprogs := binderfs_example
+endif
+endif
diff --git a/samples/bpf/.gitignore b/samples/bpf/.gitignore
index 23837f2ed458..034800c4d1e6 100644
--- a/samples/bpf/.gitignore
+++ b/samples/bpf/.gitignore
@@ -50,3 +50,4 @@ xdp_rxq_info
xdp_sample_pkts
xdp_tx_iptunnel
xdpsock
+testfile.img
diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile
index 424f6fe7ce38..8403e4762306 100644
--- a/samples/bpf/Makefile
+++ b/samples/bpf/Makefile
@@ -63,14 +63,14 @@ TRACE_HELPERS := ../../tools/testing/selftests/bpf/trace_helpers.o
fds_example-objs := fds_example.o
sockex1-objs := sockex1_user.o
sockex2-objs := sockex2_user.o
-sockex3-objs := bpf_load.o sockex3_user.o
-tracex1-objs := bpf_load.o tracex1_user.o $(TRACE_HELPERS)
-tracex2-objs := bpf_load.o tracex2_user.o
-tracex3-objs := bpf_load.o tracex3_user.o
-tracex4-objs := bpf_load.o tracex4_user.o
-tracex5-objs := bpf_load.o tracex5_user.o $(TRACE_HELPERS)
-tracex6-objs := bpf_load.o tracex6_user.o
-tracex7-objs := bpf_load.o tracex7_user.o
+sockex3-objs := sockex3_user.o
+tracex1-objs := tracex1_user.o $(TRACE_HELPERS)
+tracex2-objs := tracex2_user.o
+tracex3-objs := tracex3_user.o
+tracex4-objs := tracex4_user.o
+tracex5-objs := tracex5_user.o $(TRACE_HELPERS)
+tracex6-objs := tracex6_user.o
+tracex7-objs := tracex7_user.o
test_probe_write_user-objs := bpf_load.o test_probe_write_user_user.o
trace_output-objs := bpf_load.o trace_output_user.o $(TRACE_HELPERS)
lathist-objs := bpf_load.o lathist_user.o
diff --git a/samples/bpf/lwt_len_hist_user.c b/samples/bpf/lwt_len_hist_user.c
index 587b68b1f8dd..430a4b7e353e 100644
--- a/samples/bpf/lwt_len_hist_user.c
+++ b/samples/bpf/lwt_len_hist_user.c
@@ -15,8 +15,6 @@
#define MAX_INDEX 64
#define MAX_STARS 38
-char bpf_log_buf[BPF_LOG_BUF_SIZE];
-
static void stars(char *str, long val, long max, int width)
{
int i;
diff --git a/samples/bpf/offwaketime_kern.c b/samples/bpf/offwaketime_kern.c
index c4ec10dbfc3b..d459f73412a4 100644
--- a/samples/bpf/offwaketime_kern.c
+++ b/samples/bpf/offwaketime_kern.c
@@ -5,12 +5,12 @@
* License as published by the Free Software Foundation.
*/
#include <uapi/linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include <bpf/bpf_tracing.h>
#include <uapi/linux/ptrace.h>
#include <uapi/linux/perf_event.h>
#include <linux/version.h>
#include <linux/sched.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
#define _(P) ({typeof(P) val; bpf_probe_read(&val, sizeof(val), &P); val;})
diff --git a/samples/bpf/sampleip_kern.c b/samples/bpf/sampleip_kern.c
index e504dc308371..f24806ac24e7 100644
--- a/samples/bpf/sampleip_kern.c
+++ b/samples/bpf/sampleip_kern.c
@@ -13,12 +13,12 @@
#define MAX_IPS 8192
-struct bpf_map_def SEC("maps") ip_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(u64),
- .value_size = sizeof(u32),
- .max_entries = MAX_IPS,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, u64);
+ __type(value, u32);
+ __uint(max_entries, MAX_IPS);
+} ip_map SEC(".maps");
SEC("perf_event")
int do_sample(struct bpf_perf_event_data *ctx)
diff --git a/samples/bpf/sampleip_user.c b/samples/bpf/sampleip_user.c
index 4372d2da2f9e..921c505bb567 100644
--- a/samples/bpf/sampleip_user.c
+++ b/samples/bpf/sampleip_user.c
@@ -18,9 +18,6 @@
#include "perf-sys.h"
#include "trace_helpers.h"
-#define __must_check
-#include <linux/err.h>
-
#define DEFAULT_FREQ 99
#define DEFAULT_SECS 5
#define MAX_IPS 8192
@@ -57,7 +54,7 @@ static int sampling_start(int freq, struct bpf_program *prog,
return 1;
}
links[i] = bpf_program__attach_perf_event(prog, pmu_fd);
- if (IS_ERR(links[i])) {
+ if (libbpf_get_error(links[i])) {
fprintf(stderr, "ERROR: Attach perf event\n");
links[i] = NULL;
close(pmu_fd);
@@ -182,7 +179,7 @@ int main(int argc, char **argv)
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
obj = bpf_object__open_file(filename, NULL);
- if (IS_ERR(obj)) {
+ if (libbpf_get_error(obj)) {
fprintf(stderr, "ERROR: opening BPF object file failed\n");
obj = NULL;
goto cleanup;
diff --git a/samples/bpf/sockex2_kern.c b/samples/bpf/sockex2_kern.c
index a41dd520bc53..b7997541f7ee 100644
--- a/samples/bpf/sockex2_kern.c
+++ b/samples/bpf/sockex2_kern.c
@@ -1,12 +1,12 @@
#include <uapi/linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include "bpf_legacy.h"
#include <uapi/linux/in.h>
#include <uapi/linux/if.h>
#include <uapi/linux/if_ether.h>
#include <uapi/linux/ip.h>
#include <uapi/linux/ipv6.h>
#include <uapi/linux/if_tunnel.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_legacy.h"
#define IP_MF 0x2000
#define IP_OFFSET 0x1FFF
diff --git a/samples/bpf/sockex3_kern.c b/samples/bpf/sockex3_kern.c
index 36d4dac23549..cab9cca0b8eb 100644
--- a/samples/bpf/sockex3_kern.c
+++ b/samples/bpf/sockex3_kern.c
@@ -5,8 +5,6 @@
* License as published by the Free Software Foundation.
*/
#include <uapi/linux/bpf.h>
-#include <bpf/bpf_helpers.h>
-#include "bpf_legacy.h"
#include <uapi/linux/in.h>
#include <uapi/linux/if.h>
#include <uapi/linux/if_ether.h>
@@ -14,17 +12,19 @@
#include <uapi/linux/ipv6.h>
#include <uapi/linux/if_tunnel.h>
#include <uapi/linux/mpls.h>
+#include <bpf/bpf_helpers.h>
+#include "bpf_legacy.h"
#define IP_MF 0x2000
#define IP_OFFSET 0x1FFF
#define PROG(F) SEC("socket/"__stringify(F)) int bpf_func_##F
-struct bpf_map_def SEC("maps") jmp_table = {
- .type = BPF_MAP_TYPE_PROG_ARRAY,
- .key_size = sizeof(u32),
- .value_size = sizeof(u32),
- .max_entries = 8,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+ __uint(key_size, sizeof(u32));
+ __uint(value_size, sizeof(u32));
+ __uint(max_entries, 8);
+} jmp_table SEC(".maps");
#define PARSE_VLAN 1
#define PARSE_MPLS 2
@@ -92,12 +92,12 @@ struct globals {
struct flow_key_record flow;
};
-struct bpf_map_def SEC("maps") percpu_map = {
- .type = BPF_MAP_TYPE_ARRAY,
- .key_size = sizeof(__u32),
- .value_size = sizeof(struct globals),
- .max_entries = 32,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __type(key, __u32);
+ __type(value, struct globals);
+ __uint(max_entries, 32);
+} percpu_map SEC(".maps");
/* user poor man's per_cpu until native support is ready */
static struct globals *this_cpu_globals(void)
@@ -113,12 +113,12 @@ struct pair {
__u64 bytes;
};
-struct bpf_map_def SEC("maps") hash_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct flow_key_record),
- .value_size = sizeof(struct pair),
- .max_entries = 1024,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, struct flow_key_record);
+ __type(value, struct pair);
+ __uint(max_entries, 1024);
+} hash_map SEC(".maps");
static void update_stats(struct __sk_buff *skb, struct globals *g)
{
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index bbb1cd0666a9..4dbee7427d47 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -1,18 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <assert.h>
-#include <linux/bpf.h>
#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
#include "sock_example.h"
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/resource.h>
-#define PARSE_IP 3
-#define PARSE_IP_PROG_FD (prog_fd[0])
-#define PROG_ARRAY_FD (map_fd[0])
-
struct flow_key_record {
__be32 src;
__be32 dst;
@@ -30,31 +25,55 @@ struct pair {
int main(int argc, char **argv)
{
+ int i, sock, key, fd, main_prog_fd, jmp_table_fd, hash_map_fd;
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
+ const char *title;
FILE *f;
- int i, sock, err, id, key = PARSE_IP;
- struct bpf_prog_info info = {};
- uint32_t info_len = sizeof(info);
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
setrlimit(RLIMIT_MEMLOCK, &r);
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ jmp_table_fd = bpf_object__find_map_fd_by_name(obj, "jmp_table");
+ hash_map_fd = bpf_object__find_map_fd_by_name(obj, "hash_map");
+ if (jmp_table_fd < 0 || hash_map_fd < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
}
- /* Test fd array lookup which returns the id of the bpf_prog */
- err = bpf_obj_get_info_by_fd(PARSE_IP_PROG_FD, &info, &info_len);
- assert(!err);
- err = bpf_map_lookup_elem(PROG_ARRAY_FD, &key, &id);
- assert(!err);
- assert(id == info.id);
+ bpf_object__for_each_program(prog, obj) {
+ fd = bpf_program__fd(prog);
+
+ title = bpf_program__title(prog, false);
+ if (sscanf(title, "socket/%d", &key) != 1) {
+ fprintf(stderr, "ERROR: finding prog failed\n");
+ goto cleanup;
+ }
+
+ if (key == 0)
+ main_prog_fd = fd;
+ else
+ bpf_map_update_elem(jmp_table_fd, &key, &fd, BPF_ANY);
+ }
sock = open_raw_sock("lo");
- assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, &prog_fd[4],
+ /* attach BPF program to socket */
+ assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, &main_prog_fd,
sizeof(__u32)) == 0);
if (argc > 1)
@@ -69,8 +88,8 @@ int main(int argc, char **argv)
sleep(1);
printf("IP src.port -> dst.port bytes packets\n");
- while (bpf_map_get_next_key(map_fd[2], &key, &next_key) == 0) {
- bpf_map_lookup_elem(map_fd[2], &next_key, &value);
+ while (bpf_map_get_next_key(hash_map_fd, &key, &next_key) == 0) {
+ bpf_map_lookup_elem(hash_map_fd, &next_key, &value);
printf("%s.%05d -> %s.%05d %12lld %12lld\n",
inet_ntoa((struct in_addr){htonl(next_key.src)}),
next_key.port16[0],
@@ -80,5 +99,8 @@ int main(int argc, char **argv)
key = next_key;
}
}
+
+cleanup:
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/trace_common.h b/samples/bpf/trace_common.h
new file mode 100644
index 000000000000..8cb5400aed1f
--- /dev/null
+++ b/samples/bpf/trace_common.h
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+#ifndef __TRACE_COMMON_H
+#define __TRACE_COMMON_H
+
+#ifdef __x86_64__
+#define SYSCALL(SYS) "__x64_" __stringify(SYS)
+#elif defined(__s390x__)
+#define SYSCALL(SYS) "__s390x_" __stringify(SYS)
+#else
+#define SYSCALL(SYS) __stringify(SYS)
+#endif
+
+#endif
diff --git a/samples/bpf/trace_event_kern.c b/samples/bpf/trace_event_kern.c
index da1d69e20645..7d3c66fb3f88 100644
--- a/samples/bpf/trace_event_kern.c
+++ b/samples/bpf/trace_event_kern.c
@@ -18,19 +18,19 @@ struct key_t {
u32 userstack;
};
-struct bpf_map_def SEC("maps") counts = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(struct key_t),
- .value_size = sizeof(u64),
- .max_entries = 10000,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, struct key_t);
+ __type(value, u64);
+ __uint(max_entries, 10000);
+} counts SEC(".maps");
-struct bpf_map_def SEC("maps") stackmap = {
- .type = BPF_MAP_TYPE_STACK_TRACE,
- .key_size = sizeof(u32),
- .value_size = PERF_MAX_STACK_DEPTH * sizeof(u64),
- .max_entries = 10000,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_STACK_TRACE);
+ __uint(key_size, sizeof(u32));
+ __uint(value_size, PERF_MAX_STACK_DEPTH * sizeof(u64));
+ __uint(max_entries, 10000);
+} stackmap SEC(".maps");
#define KERN_STACKID_FLAGS (0 | BPF_F_FAST_STACK_CMP)
#define USER_STACKID_FLAGS (0 | BPF_F_FAST_STACK_CMP | BPF_F_USER_STACK)
diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c
index b6cd358d0418..ac1ba368195c 100644
--- a/samples/bpf/trace_event_user.c
+++ b/samples/bpf/trace_event_user.c
@@ -16,9 +16,6 @@
#include "perf-sys.h"
#include "trace_helpers.h"
-#define __must_check
-#include <linux/err.h>
-
#define SAMPLE_FREQ 50
static int pid;
@@ -159,7 +156,7 @@ static void test_perf_event_all_cpu(struct perf_event_attr *attr)
goto all_cpu_err;
}
links[i] = bpf_program__attach_perf_event(prog, pmu_fd);
- if (IS_ERR(links[i])) {
+ if (libbpf_get_error(links[i])) {
printf("bpf_program__attach_perf_event failed\n");
links[i] = NULL;
close(pmu_fd);
@@ -198,7 +195,7 @@ static void test_perf_event_task(struct perf_event_attr *attr)
goto err;
}
link = bpf_program__attach_perf_event(prog, pmu_fd);
- if (IS_ERR(link)) {
+ if (libbpf_get_error(link)) {
printf("bpf_program__attach_perf_event failed\n");
link = NULL;
close(pmu_fd);
@@ -314,7 +311,7 @@ int main(int argc, char **argv)
}
obj = bpf_object__open_file(filename, NULL);
- if (IS_ERR(obj)) {
+ if (libbpf_get_error(obj)) {
printf("opening BPF object file failed\n");
obj = NULL;
goto cleanup;
diff --git a/samples/bpf/tracex1_user.c b/samples/bpf/tracex1_user.c
index 55fddbd08702..9d4adb7fd834 100644
--- a/samples/bpf/tracex1_user.c
+++ b/samples/bpf/tracex1_user.c
@@ -1,21 +1,41 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
-#include <linux/bpf.h>
#include <unistd.h>
-#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
#include "trace_helpers.h"
int main(int ac, char **argv)
{
- FILE *f;
+ struct bpf_link *link = NULL;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
+ FILE *f;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
+ if (!prog) {
+ fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
+ goto cleanup;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ link = bpf_program__attach(prog);
+ if (libbpf_get_error(link)) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ link = NULL;
+ goto cleanup;
}
f = popen("taskset 1 ping -c5 localhost", "r");
@@ -23,5 +43,8 @@ int main(int ac, char **argv)
read_trace_pipe();
+cleanup:
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex2_kern.c b/samples/bpf/tracex2_kern.c
index d865bb309bcb..5bc696bac27d 100644
--- a/samples/bpf/tracex2_kern.c
+++ b/samples/bpf/tracex2_kern.c
@@ -10,13 +10,14 @@
#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
+#include "trace_common.h"
-struct bpf_map_def SEC("maps") my_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(long),
- .value_size = sizeof(long),
- .max_entries = 1024,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, long);
+ __type(value, long);
+ __uint(max_entries, 1024);
+} my_map SEC(".maps");
/* kprobe is NOT a stable ABI. If kernel internals change this bpf+kprobe
* example will no longer be meaningful
@@ -70,14 +71,14 @@ struct hist_key {
u64 index;
};
-struct bpf_map_def SEC("maps") my_hist_map = {
- .type = BPF_MAP_TYPE_PERCPU_HASH,
- .key_size = sizeof(struct hist_key),
- .value_size = sizeof(long),
- .max_entries = 1024,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_HASH);
+ __uint(key_size, sizeof(struct hist_key));
+ __uint(value_size, sizeof(long));
+ __uint(max_entries, 1024);
+} my_hist_map SEC(".maps");
-SEC("kprobe/sys_write")
+SEC("kprobe/" SYSCALL(sys_write))
int bpf_prog3(struct pt_regs *ctx)
{
long write_size = PT_REGS_PARM3(ctx);
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index c9544a4ce61a..3e36b3e4e3ef 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c
@@ -3,17 +3,19 @@
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
-#include <linux/bpf.h>
#include <string.h>
#include <sys/resource.h>
#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
#include "bpf_util.h"
#define MAX_INDEX 64
#define MAX_STARS 38
+/* my_map, my_hist_map */
+static int map_fd[2];
+
static void stars(char *str, long val, long max, int width)
{
int i;
@@ -115,18 +117,39 @@ static void int_exit(int sig)
int main(int ac, char **argv)
{
struct rlimit r = {1024*1024, RLIM_INFINITY};
- char filename[256];
long key, next_key, value;
+ struct bpf_link *links[2];
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ char filename[256];
+ int i, j = 0;
FILE *f;
- int i;
-
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
if (setrlimit(RLIMIT_MEMLOCK, &r)) {
perror("setrlimit(RLIMIT_MEMLOCK)");
return 1;
}
+ snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ map_fd[0] = bpf_object__find_map_fd_by_name(obj, "my_map");
+ map_fd[1] = bpf_object__find_map_fd_by_name(obj, "my_hist_map");
+ if (map_fd[0] < 0 || map_fd[1] < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
+ }
+
signal(SIGINT, int_exit);
signal(SIGTERM, int_exit);
@@ -138,9 +161,14 @@ int main(int ac, char **argv)
f = popen("dd if=/dev/zero of=/dev/null count=5000000", "r");
(void) f;
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ bpf_object__for_each_program(prog, obj) {
+ links[j] = bpf_program__attach(prog);
+ if (libbpf_get_error(links[j])) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ links[j] = NULL;
+ goto cleanup;
+ }
+ j++;
}
for (i = 0; i < 5; i++) {
@@ -156,5 +184,10 @@ int main(int ac, char **argv)
}
print_hist(map_fd[1]);
+cleanup:
+ for (j--; j >= 0; j--)
+ bpf_link__destroy(links[j]);
+
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex3_kern.c b/samples/bpf/tracex3_kern.c
index fe21c14feb8d..659613c19a82 100644
--- a/samples/bpf/tracex3_kern.c
+++ b/samples/bpf/tracex3_kern.c
@@ -11,12 +11,12 @@
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
-struct bpf_map_def SEC("maps") my_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(long),
- .value_size = sizeof(u64),
- .max_entries = 4096,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, long);
+ __type(value, u64);
+ __uint(max_entries, 4096);
+} my_map SEC(".maps");
/* kprobe is NOT a stable ABI. If kernel internals change this bpf+kprobe
* example will no longer be meaningful
@@ -42,12 +42,12 @@ static unsigned int log2l(unsigned long long n)
#define SLOTS 100
-struct bpf_map_def SEC("maps") lat_map = {
- .type = BPF_MAP_TYPE_PERCPU_ARRAY,
- .key_size = sizeof(u32),
- .value_size = sizeof(u64),
- .max_entries = SLOTS,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERCPU_ARRAY);
+ __uint(key_size, sizeof(u32));
+ __uint(value_size, sizeof(u64));
+ __uint(max_entries, SLOTS);
+} lat_map SEC(".maps");
SEC("kprobe/blk_account_io_completion")
int bpf_prog2(struct pt_regs *ctx)
diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c
index cf8fedc773f2..70e987775c15 100644
--- a/samples/bpf/tracex3_user.c
+++ b/samples/bpf/tracex3_user.c
@@ -7,11 +7,10 @@
#include <unistd.h>
#include <stdbool.h>
#include <string.h>
-#include <linux/bpf.h>
#include <sys/resource.h>
#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
#include "bpf_util.h"
#define SLOTS 100
@@ -109,20 +108,11 @@ static void print_hist(int fd)
int main(int ac, char **argv)
{
struct rlimit r = {1024*1024, RLIM_INFINITY};
+ struct bpf_link *links[2];
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
- int i;
-
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
-
- if (setrlimit(RLIMIT_MEMLOCK, &r)) {
- perror("setrlimit(RLIMIT_MEMLOCK)");
- return 1;
- }
-
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
- }
+ int map_fd, i, j = 0;
for (i = 1; i < ac; i++) {
if (strcmp(argv[i], "-a") == 0) {
@@ -137,6 +127,40 @@ int main(int ac, char **argv)
}
}
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
+ snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ map_fd = bpf_object__find_map_fd_by_name(obj, "lat_map");
+ if (map_fd < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
+ }
+
+ bpf_object__for_each_program(prog, obj) {
+ links[j] = bpf_program__attach(prog);
+ if (libbpf_get_error(links[j])) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ links[j] = NULL;
+ goto cleanup;
+ }
+ j++;
+ }
+
printf(" heatmap of IO latency\n");
if (text_only)
printf(" %s", sym[num_colors - 1]);
@@ -153,9 +177,14 @@ int main(int ac, char **argv)
for (i = 0; ; i++) {
if (i % 20 == 0)
print_banner();
- print_hist(map_fd[1]);
+ print_hist(map_fd);
sleep(2);
}
+cleanup:
+ for (j--; j >= 0; j--)
+ bpf_link__destroy(links[j]);
+
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c
index b1bb9df88f8e..eb0f8fdd14bf 100644
--- a/samples/bpf/tracex4_kern.c
+++ b/samples/bpf/tracex4_kern.c
@@ -15,12 +15,12 @@ struct pair {
u64 ip;
};
-struct bpf_map_def SEC("maps") my_map = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(long),
- .value_size = sizeof(struct pair),
- .max_entries = 1000000,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, long);
+ __type(value, struct pair);
+ __uint(max_entries, 1000000);
+} my_map SEC(".maps");
/* kprobe is NOT a stable ABI. If kernel internals change this bpf+kprobe
* example will no longer be meaningful
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index ec52203fce39..e8faf8f184ae 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c
@@ -8,11 +8,10 @@
#include <stdbool.h>
#include <string.h>
#include <time.h>
-#include <linux/bpf.h>
#include <sys/resource.h>
#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
struct pair {
long long val;
@@ -36,8 +35,8 @@ static void print_old_objects(int fd)
key = write(1, "\e[1;1H\e[2J", 12); /* clear screen */
key = -1;
- while (bpf_map_get_next_key(map_fd[0], &key, &next_key) == 0) {
- bpf_map_lookup_elem(map_fd[0], &next_key, &v);
+ while (bpf_map_get_next_key(fd, &key, &next_key) == 0) {
+ bpf_map_lookup_elem(fd, &next_key, &v);
key = next_key;
if (val - v.val < 1000000000ll)
/* object was allocated more then 1 sec ago */
@@ -50,25 +49,55 @@ static void print_old_objects(int fd)
int main(int ac, char **argv)
{
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
+ struct bpf_link *links[2];
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
- int i;
-
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ int map_fd, i, j = 0;
if (setrlimit(RLIMIT_MEMLOCK, &r)) {
perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)");
return 1;
}
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ map_fd = bpf_object__find_map_fd_by_name(obj, "my_map");
+ if (map_fd < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
+ }
+
+ bpf_object__for_each_program(prog, obj) {
+ links[j] = bpf_program__attach(prog);
+ if (libbpf_get_error(links[j])) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ links[j] = NULL;
+ goto cleanup;
+ }
+ j++;
}
for (i = 0; ; i++) {
- print_old_objects(map_fd[1]);
+ print_old_objects(map_fd);
sleep(1);
}
+cleanup:
+ for (j--; j >= 0; j--)
+ bpf_link__destroy(links[j]);
+
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex5_kern.c b/samples/bpf/tracex5_kern.c
index 481790fde864..32b49e8ab6bd 100644
--- a/samples/bpf/tracex5_kern.c
+++ b/samples/bpf/tracex5_kern.c
@@ -15,16 +15,16 @@
#define PROG(F) SEC("kprobe/"__stringify(F)) int bpf_func_##F
-struct bpf_map_def SEC("maps") progs = {
- .type = BPF_MAP_TYPE_PROG_ARRAY,
- .key_size = sizeof(u32),
- .value_size = sizeof(u32),
+struct {
+ __uint(type, BPF_MAP_TYPE_PROG_ARRAY);
+ __uint(key_size, sizeof(u32));
+ __uint(value_size, sizeof(u32));
#ifdef __mips__
- .max_entries = 6000, /* MIPS n64 syscalls start at 5000 */
+ __uint(max_entries, 6000); /* MIPS n64 syscalls start at 5000 */
#else
- .max_entries = 1024,
+ __uint(max_entries, 1024);
#endif
-};
+} progs SEC(".maps");
SEC("kprobe/__seccomp_filter")
int bpf_prog1(struct pt_regs *ctx)
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c
index c2317b39e0d2..98dad57a96c4 100644
--- a/samples/bpf/tracex5_user.c
+++ b/samples/bpf/tracex5_user.c
@@ -1,15 +1,21 @@
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
-#include <linux/bpf.h>
+#include <stdlib.h>
#include <unistd.h>
#include <linux/filter.h>
#include <linux/seccomp.h>
#include <sys/prctl.h>
#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
#include <sys/resource.h>
#include "trace_helpers.h"
+#ifdef __mips__
+#define MAX_ENTRIES 6000 /* MIPS n64 syscalls start at 5000 */
+#else
+#define MAX_ENTRIES 1024
+#endif
+
/* install fake seccomp program to enable seccomp code path inside the kernel,
* so that our kprobe attached to seccomp_phase1() can be triggered
*/
@@ -28,16 +34,57 @@ static void install_accept_all_seccomp(void)
int main(int ac, char **argv)
{
- FILE *f;
- char filename[256];
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
+ struct bpf_link *link = NULL;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ int key, fd, progs_fd;
+ char filename[256];
+ const char *title;
+ FILE *f;
- snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
setrlimit(RLIMIT_MEMLOCK, &r);
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
+ if (!prog) {
+ printf("finding a prog in obj file failed\n");
+ goto cleanup;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ link = bpf_program__attach(prog);
+ if (libbpf_get_error(link)) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ link = NULL;
+ goto cleanup;
+ }
+
+ progs_fd = bpf_object__find_map_fd_by_name(obj, "progs");
+ if (progs_fd < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
+ }
+
+ bpf_object__for_each_program(prog, obj) {
+ title = bpf_program__title(prog, false);
+ /* register only syscalls to PROG_ARRAY */
+ if (sscanf(title, "kprobe/%d", &key) != 1)
+ continue;
+
+ fd = bpf_program__fd(prog);
+ bpf_map_update_elem(progs_fd, &key, &fd, BPF_ANY);
}
install_accept_all_seccomp();
@@ -47,5 +94,8 @@ int main(int ac, char **argv)
read_trace_pipe();
+cleanup:
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex6_kern.c b/samples/bpf/tracex6_kern.c
index 96c234efa852..acad5712d8b4 100644
--- a/samples/bpf/tracex6_kern.c
+++ b/samples/bpf/tracex6_kern.c
@@ -3,24 +3,26 @@
#include <uapi/linux/bpf.h>
#include <bpf/bpf_helpers.h>
-struct bpf_map_def SEC("maps") counters = {
- .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
- .key_size = sizeof(int),
- .value_size = sizeof(u32),
- .max_entries = 64,
-};
-struct bpf_map_def SEC("maps") values = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(int),
- .value_size = sizeof(u64),
- .max_entries = 64,
-};
-struct bpf_map_def SEC("maps") values2 = {
- .type = BPF_MAP_TYPE_HASH,
- .key_size = sizeof(int),
- .value_size = sizeof(struct bpf_perf_event_value),
- .max_entries = 64,
-};
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(u32));
+ __uint(max_entries, 64);
+} counters SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, int);
+ __type(value, u64);
+ __uint(max_entries, 64);
+} values SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_HASH);
+ __type(key, int);
+ __type(value, struct bpf_perf_event_value);
+ __uint(max_entries, 64);
+} values2 SEC(".maps");
SEC("kprobe/htab_map_get_next_key")
int bpf_prog1(struct pt_regs *ctx)
diff --git a/samples/bpf/tracex6_user.c b/samples/bpf/tracex6_user.c
index 4bb3c830adb2..33df9784775d 100644
--- a/samples/bpf/tracex6_user.c
+++ b/samples/bpf/tracex6_user.c
@@ -4,7 +4,6 @@
#include <assert.h>
#include <fcntl.h>
#include <linux/perf_event.h>
-#include <linux/bpf.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
@@ -15,12 +14,15 @@
#include <sys/wait.h>
#include <unistd.h>
-#include "bpf_load.h"
#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
#include "perf-sys.h"
#define SAMPLE_PERIOD 0x7fffffffffffffffULL
+/* counters, values, values2 */
+static int map_fd[3];
+
static void check_on_cpu(int cpu, struct perf_event_attr *attr)
{
struct bpf_perf_event_value value2;
@@ -174,16 +176,51 @@ static void test_bpf_perf_event(void)
int main(int argc, char **argv)
{
struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
+ struct bpf_link *links[2];
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
+ int i = 0;
+
+ setrlimit(RLIMIT_MEMLOCK, &r);
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
- setrlimit(RLIMIT_MEMLOCK, &r);
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
+
+ map_fd[0] = bpf_object__find_map_fd_by_name(obj, "counters");
+ map_fd[1] = bpf_object__find_map_fd_by_name(obj, "values");
+ map_fd[2] = bpf_object__find_map_fd_by_name(obj, "values2");
+ if (map_fd[0] < 0 || map_fd[1] < 0 || map_fd[2] < 0) {
+ fprintf(stderr, "ERROR: finding a map in obj file failed\n");
+ goto cleanup;
+ }
+
+ bpf_object__for_each_program(prog, obj) {
+ links[i] = bpf_program__attach(prog);
+ if (libbpf_get_error(links[i])) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ links[i] = NULL;
+ goto cleanup;
+ }
+ i++;
}
test_bpf_perf_event();
+
+cleanup:
+ for (i--; i >= 0; i--)
+ bpf_link__destroy(links[i]);
+
+ bpf_object__close(obj);
return 0;
}
diff --git a/samples/bpf/tracex7_user.c b/samples/bpf/tracex7_user.c
index ea6dae78f0df..fdcd6580dd73 100644
--- a/samples/bpf/tracex7_user.c
+++ b/samples/bpf/tracex7_user.c
@@ -1,28 +1,51 @@
#define _GNU_SOURCE
#include <stdio.h>
-#include <linux/bpf.h>
#include <unistd.h>
-#include <bpf/bpf.h>
-#include "bpf_load.h"
+#include <bpf/libbpf.h>
int main(int argc, char **argv)
{
- FILE *f;
+ struct bpf_link *link = NULL;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
char filename[256];
char command[256];
- int ret;
+ int ret = 0;
+ FILE *f;
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
+ obj = bpf_object__open_file(filename, NULL);
+ if (libbpf_get_error(obj)) {
+ fprintf(stderr, "ERROR: opening BPF object file failed\n");
+ return 0;
+ }
+
+ prog = bpf_object__find_program_by_name(obj, "bpf_prog1");
+ if (!prog) {
+ fprintf(stderr, "ERROR: finding a prog in obj file failed\n");
+ goto cleanup;
+ }
+
+ /* load BPF program */
+ if (bpf_object__load(obj)) {
+ fprintf(stderr, "ERROR: loading BPF object file failed\n");
+ goto cleanup;
+ }
- if (load_bpf_file(filename)) {
- printf("%s", bpf_log_buf);
- return 1;
+ link = bpf_program__attach(prog);
+ if (libbpf_get_error(link)) {
+ fprintf(stderr, "ERROR: bpf_program__attach failed\n");
+ link = NULL;
+ goto cleanup;
}
snprintf(command, 256, "mount %s tmpmnt/", argv[1]);
f = popen(command, "r");
ret = pclose(f);
+cleanup:
+ bpf_link__destroy(link);
+ bpf_object__close(obj);
return ret ? 0 : 1;
}
diff --git a/samples/bpf/xdp_redirect_cpu_kern.c b/samples/bpf/xdp_redirect_cpu_kern.c
index 313a8fe6d125..2baf8db1f7e7 100644
--- a/samples/bpf/xdp_redirect_cpu_kern.c
+++ b/samples/bpf/xdp_redirect_cpu_kern.c
@@ -15,7 +15,7 @@
#include <bpf/bpf_helpers.h>
#include "hash_func01.h"
-#define MAX_CPUS 64 /* WARNING - sync with _user.c */
+#define MAX_CPUS NR_CPUS
/* Special map type that can XDP_REDIRECT frames to another CPU */
struct {
diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c
index 15bdf047a222..f3468168982e 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c
@@ -13,19 +13,15 @@ static const char *__doc__ =
#include <unistd.h>
#include <locale.h>
#include <sys/resource.h>
+#include <sys/sysinfo.h>
#include <getopt.h>
#include <net/if.h>
#include <time.h>
#include <linux/limits.h>
-#define __must_check
-#include <linux/err.h>
-
#include <arpa/inet.h>
#include <linux/if_link.h>
-#define MAX_CPUS 64 /* WARNING - sync with _kern.c */
-
/* How many xdp_progs are defined in _kern.c */
#define MAX_PROG 6
@@ -40,6 +36,7 @@ static char *ifname;
static __u32 prog_id;
static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST;
+static int n_cpus;
static int cpu_map_fd;
static int rx_cnt_map_fd;
static int redirect_err_cnt_map_fd;
@@ -170,7 +167,7 @@ struct stats_record {
struct record redir_err;
struct record kthread;
struct record exception;
- struct record enq[MAX_CPUS];
+ struct record enq[];
};
static bool map_collect_percpu(int fd, __u32 key, struct record *rec)
@@ -225,10 +222,11 @@ static struct datarec *alloc_record_per_cpu(void)
static struct stats_record *alloc_stats_record(void)
{
struct stats_record *rec;
- int i;
+ int i, size;
- rec = malloc(sizeof(*rec));
- memset(rec, 0, sizeof(*rec));
+ size = sizeof(*rec) + n_cpus * sizeof(struct record);
+ rec = malloc(size);
+ memset(rec, 0, size);
if (!rec) {
fprintf(stderr, "Mem alloc error\n");
exit(EXIT_FAIL_MEM);
@@ -237,7 +235,7 @@ static struct stats_record *alloc_stats_record(void)
rec->redir_err.cpu = alloc_record_per_cpu();
rec->kthread.cpu = alloc_record_per_cpu();
rec->exception.cpu = alloc_record_per_cpu();
- for (i = 0; i < MAX_CPUS; i++)
+ for (i = 0; i < n_cpus; i++)
rec->enq[i].cpu = alloc_record_per_cpu();
return rec;
@@ -247,7 +245,7 @@ static void free_stats_record(struct stats_record *r)
{
int i;
- for (i = 0; i < MAX_CPUS; i++)
+ for (i = 0; i < n_cpus; i++)
free(r->enq[i].cpu);
free(r->exception.cpu);
free(r->kthread.cpu);
@@ -350,7 +348,7 @@ static void stats_print(struct stats_record *stats_rec,
}
/* cpumap enqueue stats */
- for (to_cpu = 0; to_cpu < MAX_CPUS; to_cpu++) {
+ for (to_cpu = 0; to_cpu < n_cpus; to_cpu++) {
char *fmt = "%-15s %3d:%-3d %'-14.0f %'-11.0f %'-10.2f %s\n";
char *fm2 = "%-15s %3s:%-3d %'-14.0f %'-11.0f %'-10.2f %s\n";
char *errstr = "";
@@ -475,7 +473,7 @@ static void stats_collect(struct stats_record *rec)
map_collect_percpu(fd, 1, &rec->redir_err);
fd = cpumap_enqueue_cnt_map_fd;
- for (i = 0; i < MAX_CPUS; i++)
+ for (i = 0; i < n_cpus; i++)
map_collect_percpu(fd, i, &rec->enq[i]);
fd = cpumap_kthread_cnt_map_fd;
@@ -549,10 +547,10 @@ static int create_cpu_entry(__u32 cpu, __u32 queue_size,
*/
static void mark_cpus_unavailable(void)
{
- __u32 invalid_cpu = MAX_CPUS;
+ __u32 invalid_cpu = n_cpus;
int ret, i;
- for (i = 0; i < MAX_CPUS; i++) {
+ for (i = 0; i < n_cpus; i++) {
ret = bpf_map_update_elem(cpus_available_map_fd, &i,
&invalid_cpu, 0);
if (ret) {
@@ -621,7 +619,7 @@ static struct bpf_link * attach_tp(struct bpf_object *obj,
}
link = bpf_program__attach_tracepoint(prog, tp_category, tp_name);
- if (IS_ERR(link))
+ if (libbpf_get_error(link))
exit(EXIT_FAIL_BPF);
return link;
@@ -688,6 +686,8 @@ int main(int argc, char **argv)
int prog_fd;
__u32 qsize;
+ n_cpus = get_nprocs_conf();
+
/* Notice: choosing he queue size is very important with the
* ixgbe driver, because it's driver page recycling trick is
* dependend on pages being returned quickly. The number of
@@ -757,7 +757,7 @@ int main(int argc, char **argv)
case 'c':
/* Add multiple CPUs */
add_cpu = strtoul(optarg, NULL, 0);
- if (add_cpu >= MAX_CPUS) {
+ if (add_cpu >= n_cpus) {
fprintf(stderr,
"--cpu nr too large for cpumap err(%d):%s\n",
errno, strerror(errno));
diff --git a/samples/ftrace/ftrace-direct-modify.c b/samples/ftrace/ftrace-direct-modify.c
index e04229d21475..c13a5bc5095b 100644
--- a/samples/ftrace/ftrace-direct-modify.c
+++ b/samples/ftrace/ftrace-direct-modify.c
@@ -20,18 +20,22 @@ static unsigned long my_ip = (unsigned long)schedule;
asm (
" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp1, @function\n"
" my_tramp1:"
" pushq %rbp\n"
" movq %rsp, %rbp\n"
" call my_direct_func1\n"
" leave\n"
+" .size my_tramp1, .-my_tramp1\n"
" ret\n"
+" .type my_tramp2, @function\n"
" my_tramp2:"
" pushq %rbp\n"
" movq %rsp, %rbp\n"
" call my_direct_func2\n"
" leave\n"
" ret\n"
+" .size my_tramp2, .-my_tramp2\n"
" .popsection\n"
);
diff --git a/samples/ftrace/ftrace-direct-too.c b/samples/ftrace/ftrace-direct-too.c
index 27efa5f6ff52..d5c5022be664 100644
--- a/samples/ftrace/ftrace-direct-too.c
+++ b/samples/ftrace/ftrace-direct-too.c
@@ -15,6 +15,7 @@ extern void my_tramp(void *);
asm (
" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp, @function\n"
" my_tramp:"
" pushq %rbp\n"
" movq %rsp, %rbp\n"
@@ -27,6 +28,7 @@ asm (
" popq %rdi\n"
" leave\n"
" ret\n"
+" .size my_tramp, .-my_tramp\n"
" .popsection\n"
);
diff --git a/samples/ftrace/ftrace-direct.c b/samples/ftrace/ftrace-direct.c
index a2e3063bd306..63ca06d42c80 100644
--- a/samples/ftrace/ftrace-direct.c
+++ b/samples/ftrace/ftrace-direct.c
@@ -13,6 +13,7 @@ extern void my_tramp(void *);
asm (
" .pushsection .text, \"ax\", @progbits\n"
+" .type my_tramp, @function\n"
" my_tramp:"
" pushq %rbp\n"
" movq %rsp, %rbp\n"
@@ -21,6 +22,7 @@ asm (
" popq %rdi\n"
" leave\n"
" ret\n"
+" .size my_tramp, .-my_tramp\n"
" .popsection\n"
);
diff --git a/samples/kprobes/kprobe_example.c b/samples/kprobes/kprobe_example.c
index d693c23a85e8..501911d1b327 100644
--- a/samples/kprobes/kprobe_example.c
+++ b/samples/kprobes/kprobe_example.c
@@ -25,7 +25,7 @@ static struct kprobe kp = {
};
/* kprobe pre_handler: called just before the probed instruction is executed */
-static int handler_pre(struct kprobe *p, struct pt_regs *regs)
+static int __kprobes handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86
pr_info("<%s> pre_handler: p->addr = 0x%p, ip = %lx, flags = 0x%lx\n",
@@ -54,7 +54,7 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
}
/* kprobe post_handler: called after the probed instruction is executed */
-static void handler_post(struct kprobe *p, struct pt_regs *regs,
+static void __kprobes handler_post(struct kprobe *p, struct pt_regs *regs,
unsigned long flags)
{
#ifdef CONFIG_X86
@@ -90,6 +90,8 @@ static int handler_fault(struct kprobe *p, struct pt_regs *regs, int trapnr)
/* Return 0 because we don't handle the fault. */
return 0;
}
+/* NOKPROBE_SYMBOL() is also available */
+NOKPROBE_SYMBOL(handler_fault);
static int __init kprobe_init(void)
{
diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c
index 186315ca88b3..013e8e6ebae9 100644
--- a/samples/kprobes/kretprobe_example.c
+++ b/samples/kprobes/kretprobe_example.c
@@ -48,6 +48,7 @@ static int entry_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
data->entry_stamp = ktime_get();
return 0;
}
+NOKPROBE_SYMBOL(entry_handler);
/*
* Return-probe handler: Log the return value and duration. Duration may turn
@@ -67,6 +68,7 @@ static int ret_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
func_name, retval, (long long)delta);
return 0;
}
+NOKPROBE_SYMBOL(ret_handler);
static struct kretprobe my_kretprobe = {
.handler = ret_handler,
diff --git a/samples/pktgen/README.rst b/samples/pktgen/README.rst
index 3f6483e8b2df..f9c53ca5cf93 100644
--- a/samples/pktgen/README.rst
+++ b/samples/pktgen/README.rst
@@ -3,7 +3,7 @@ Sample and benchmark scripts for pktgen (packet generator)
This directory contains some pktgen sample and benchmark scripts, that
can easily be copied and adjusted for your own use-case.
-General doc is located in kernel: Documentation/networking/pktgen.txt
+General doc is located in kernel: Documentation/networking/pktgen.rst
Helper include files
====================
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 80b4a70315b6..13a35f7cbe66 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -416,7 +416,7 @@ TRACE_EVENT_FN(foo_bar_with_fn,
* Note, TRACE_EVENT() itself is simply defined as:
*
* #define TRACE_EVENT(name, proto, args, tstruct, assign, printk) \
- * DEFINE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \
+ * DECLARE_EVENT_CLASS(name, proto, args, tstruct, assign, printk); \
* DEFINE_EVENT(name, name, proto, args)
*
* The DEFINE_EVENT() also can be declared with conditions and reg functions:
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c
index cc86bf6566e4..9894693f3be1 100644
--- a/samples/vfio-mdev/mdpy.c
+++ b/samples/vfio-mdev/mdpy.c
@@ -418,7 +418,7 @@ static int mdpy_mmap(struct mdev_device *mdev, struct vm_area_struct *vma)
return -EINVAL;
return remap_vmalloc_range_partial(vma, vma->vm_start,
- mdev_state->memblk,
+ mdev_state->memblk, 0,
vma->vm_end - vma->vm_start);
}
diff --git a/samples/vfs/test-statx.c b/samples/vfs/test-statx.c
index a3d68159fb51..76c577ea4fd8 100644
--- a/samples/vfs/test-statx.c
+++ b/samples/vfs/test-statx.c
@@ -216,7 +216,7 @@ int main(int argc, char **argv)
struct statx stx;
int ret, raw = 0, atflag = AT_SYMLINK_NOFOLLOW;
- unsigned int mask = STATX_ALL;
+ unsigned int mask = STATX_BASIC_STATS | STATX_BTIME;
for (argv++; *argv; argv++) {
if (strcmp(*argv, "-F") == 0) {
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 97547108ee7f..4b799737722c 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -309,7 +309,7 @@ define rule_dtc
endef
$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
- $(call if_changed_rule,dtc)
+ $(call if_changed_rule,dtc,yaml)
dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
diff --git a/scripts/bpf_helpers_doc.py b/scripts/bpf_helpers_doc.py
index f43d193aff3a..91fa668fa860 100755
--- a/scripts/bpf_helpers_doc.py
+++ b/scripts/bpf_helpers_doc.py
@@ -318,6 +318,11 @@ may be interested in:
of eBPF maps are used with a given helper function.
* *kernel/bpf/* directory contains other files in which additional helpers are
defined (for cgroups, sockmaps, etc.).
+* The bpftool utility can be used to probe the availability of helper functions
+ on the system (as well as supported program and map types, and a number of
+ other parameters). To do so, run **bpftool feature probe** (see
+ **bpftool-feature**\ (8) for details). Add the **unprivileged** keyword to
+ list features available to unprivileged users.
Compatibility between helper functions and program types can generally be found
in the files where helper functions are defined. Look for the **struct
@@ -338,6 +343,7 @@ SEE ALSO
========
**bpf**\ (2),
+**bpftool**\ (8),
**cgroups**\ (7),
**ip**\ (8),
**perf_event_open**\ (2),
@@ -414,6 +420,7 @@ class PrinterHelpers(Printer):
'struct sk_reuseport_md',
'struct sockaddr',
'struct tcphdr',
+ 'struct seq_file',
'struct __sk_buff',
'struct sk_msg_md',
@@ -450,6 +457,7 @@ class PrinterHelpers(Printer):
'struct sk_reuseport_md',
'struct sockaddr',
'struct tcphdr',
+ 'struct seq_file',
}
mapped_types = {
'u8': '__u8',
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index d64c67b67e3c..bf9e0e87a6ef 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -51,7 +51,7 @@ my %ignore_type = ();
my @ignore = ();
my $help = 0;
my $configuration_file = ".checkpatch.conf";
-my $max_line_length = 80;
+my $max_line_length = 100;
my $ignore_perl_version = 0;
my $minimum_perl_version = 5.10.0;
my $min_conf_desc_length = 4;
@@ -97,9 +97,11 @@ Options:
--types TYPE(,TYPE2...) show only these comma separated message types
--ignore TYPE(,TYPE2...) ignore various comma separated message types
--show-types show the specific message type in the output
- --max-line-length=n set the maximum line length, if exceeded, warn
+ --max-line-length=n set the maximum line length, (default $max_line_length)
+ if exceeded, warn on patches
+ requires --strict for use with --file
--min-conf-desc-length=n set the min description length, if shorter, warn
- --tab-size=n set the number of spaces for tab (default 8)
+ --tab-size=n set the number of spaces for tab (default $tabsize)
--root=PATH PATH to the kernel tree root
--no-summary suppress the per-file summary
--mailback only produce a report in case of warnings/errors
@@ -479,7 +481,7 @@ our $allocFunctions = qr{(?x:
(?:kv|k|v)[czm]alloc(?:_node|_array)? |
kstrdup(?:_const)? |
kmemdup(?:_nul)?) |
- (?:\w+)?alloc_skb(?:ip_align)? |
+ (?:\w+)?alloc_skb(?:_ip_align)? |
# dev_alloc_skb/netdev_alloc_skb, et al
dma_alloc_coherent
)};
@@ -3240,8 +3242,10 @@ sub process {
if ($msg_type ne "" &&
(show_type("LONG_LINE") || show_type($msg_type))) {
- WARN($msg_type,
- "line over $max_line_length characters\n" . $herecurr);
+ my $msg_level = \&WARN;
+ $msg_level = \&CHK if ($file);
+ &{$msg_level}($msg_type,
+ "line length of $length exceeds $max_line_length columns\n" . $herecurr);
}
}
@@ -4199,6 +4203,17 @@ sub process {
"ENOSYS means 'invalid syscall nr' and nothing else\n" . $herecurr);
}
+# ENOTSUPP is not a standard error code and should be avoided in new patches.
+# Folks usually mean EOPNOTSUPP (also called ENOTSUP), when they type ENOTSUPP.
+# Similarly to ENOSYS warning a small number of false positives is expected.
+ if (!$file && $line =~ /\bENOTSUPP\b/) {
+ if (WARN("ENOTSUPP",
+ "ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP\n" . $herecurr) &&
+ $fix) {
+ $fixed[$fixlinenr] =~ s/\bENOTSUPP\b/EOPNOTSUPP/;
+ }
+ }
+
# function brace can't be on same line, except for #defines of do while,
# or if closed on same line
if ($perl_version_ok &&
diff --git a/scripts/coccinelle/misc/newline_in_nl_msg.cocci b/scripts/coccinelle/misc/newline_in_nl_msg.cocci
new file mode 100644
index 000000000000..c175886e4015
--- /dev/null
+++ b/scripts/coccinelle/misc/newline_in_nl_msg.cocci
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0-only
+///
+/// Catch strings ending in newline with GENL_SET_ERR_MSG, NL_SET_ERR_MSG,
+/// NL_SET_ERR_MSG_MOD.
+///
+// Confidence: Very High
+// Copyright: (C) 2020 Intel Corporation
+// URL: http://coccinelle.lip6.fr/
+// Options: --no-includes --include-headers
+
+virtual context
+virtual org
+virtual report
+
+@r depends on context || org || report@
+expression e;
+constant m;
+position p;
+@@
+ \(GENL_SET_ERR_MSG\|NL_SET_ERR_MSG\|NL_SET_ERR_MSG_MOD\)(e,m@p)
+
+@script:python@
+m << r.m;
+@@
+
+if not m.endswith("\\n\""):
+ cocci.include_match(False)
+
+@r1 depends on r@
+identifier fname;
+expression r.e;
+constant r.m;
+position r.p;
+@@
+ fname(e,m@p)
+
+//----------------------------------------------------------
+// For context mode
+//----------------------------------------------------------
+
+@depends on context && r@
+identifier r1.fname;
+expression r.e;
+constant r.m;
+@@
+* fname(e,m)
+
+//----------------------------------------------------------
+// For org mode
+//----------------------------------------------------------
+
+@script:python depends on org@
+fname << r1.fname;
+m << r.m;
+p << r.p;
+@@
+
+if m.endswith("\\n\""):
+ msg="WARNING avoid newline at end of message in %s" % (fname)
+ msg_safe=msg.replace("[","@(").replace("]",")")
+ coccilib.org.print_todo(p[0], msg_safe)
+
+//----------------------------------------------------------
+// For report mode
+//----------------------------------------------------------
+
+@script:python depends on report@
+fname << r1.fname;
+m << r.m;
+p << r.p;
+@@
+
+if m.endswith("\\n\""):
+ msg="WARNING avoid newline at end of message in %s" % (fname)
+ coccilib.report.print_report(p[0], msg)
diff --git a/scripts/config b/scripts/config
index e0e39826dae9..eee5b7f3a092 100755
--- a/scripts/config
+++ b/scripts/config
@@ -7,6 +7,9 @@ myname=${0##*/}
# If no prefix forced, use the default CONFIG_
CONFIG_="${CONFIG_-CONFIG_}"
+# We use an uncommon delimiter for sed substitutions
+SED_DELIM=$(echo -en "\001")
+
usage() {
cat >&2 <<EOL
Manipulate options in a .config file from the command line.
@@ -83,7 +86,7 @@ txt_subst() {
local infile="$3"
local tmpfile="$infile.swp"
- sed -e "s:$before:$after:" "$infile" >"$tmpfile"
+ sed -e "s$SED_DELIM$before$SED_DELIM$after$SED_DELIM" "$infile" >"$tmpfile"
# replace original file with the edited one
mv "$tmpfile" "$infile"
}
diff --git a/scripts/decodecode b/scripts/decodecode
index ba8b8d5834e6..fbdb325cdf4f 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -126,7 +126,7 @@ faultlinenum=$(( $(wc -l $T.oo | cut -d" " -f1) - \
faultline=`cat $T.dis | head -1 | cut -d":" -f2-`
faultline=`echo "$faultline" | sed -e 's/\[/\\\[/g; s/\]/\\\]/g'`
-cat $T.oo | sed -e "${faultlinenum}s/^\(.*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/"
+cat $T.oo | sed -e "${faultlinenum}s/^\([^:]*:\)\(.*\)/\1\*\2\t\t<-- trapping instruction/"
echo
cat $T.aa
cleanup
diff --git a/scripts/gcc-plugins/Makefile b/scripts/gcc-plugins/Makefile
index f22858b2c3d6..80f354289eeb 100644
--- a/scripts/gcc-plugins/Makefile
+++ b/scripts/gcc-plugins/Makefile
@@ -4,6 +4,7 @@ GCC_PLUGINS_DIR := $(shell $(CC) -print-file-name=plugin)
HOST_EXTRACXXFLAGS += -I$(GCC_PLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti
HOST_EXTRACXXFLAGS += -fno-exceptions -fasynchronous-unwind-tables -ggdb
HOST_EXTRACXXFLAGS += -Wno-narrowing -Wno-unused-variable -Wno-c++11-compat
+HOST_EXTRACXXFLAGS += -Wno-format-diag
$(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h
quiet_cmd_create_randomize_layout_seed = GENSEED $@
diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h
index 17f06079a712..9ad76b7f3f10 100644
--- a/scripts/gcc-plugins/gcc-common.h
+++ b/scripts/gcc-plugins/gcc-common.h
@@ -35,7 +35,9 @@
#include "ggc.h"
#include "timevar.h"
+#if BUILDING_GCC_VERSION < 10000
#include "params.h"
+#endif
#if BUILDING_GCC_VERSION <= 4009
#include "pointer-set.h"
@@ -847,6 +849,7 @@ static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree l
return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT);
}
+#if BUILDING_GCC_VERSION < 10000
template <>
template <>
inline bool is_a_helper<const ggoto *>::test(const_gimple gs)
@@ -860,6 +863,7 @@ inline bool is_a_helper<const greturn *>::test(const_gimple gs)
{
return gs->code == GIMPLE_RETURN;
}
+#endif
static inline gasm *as_a_gasm(gimple stmt)
{
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index dbd37460c573..cc75eeba0be1 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -51,7 +51,6 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
gimple stmt;
gcall *stackleak_track_stack;
cgraph_node_ptr node;
- int frequency;
basic_block bb;
/* Insert call to void stackleak_track_stack(void) */
@@ -68,9 +67,9 @@ static void stackleak_add_track_stack(gimple_stmt_iterator *gsi, bool after)
bb = gimple_bb(stackleak_track_stack);
node = cgraph_get_create_node(track_function_decl);
gcc_assert(node);
- frequency = compute_call_stmt_bb_frequency(current_function_decl, bb);
cgraph_create_edge(cgraph_get_node(current_function_decl), node,
- stackleak_track_stack, bb->count, frequency);
+ stackleak_track_stack, bb->count,
+ compute_call_stmt_bb_frequency(current_function_decl, bb));
}
static bool is_alloca(gimple stmt)
diff --git a/scripts/gdb/linux/rbtree.py b/scripts/gdb/linux/rbtree.py
index 39db889b874c..c4b991607917 100644
--- a/scripts/gdb/linux/rbtree.py
+++ b/scripts/gdb/linux/rbtree.py
@@ -12,7 +12,7 @@ rb_node_type = utils.CachedType("struct rb_node")
def rb_first(root):
if root.type == rb_root_type.get_type():
- node = node.address.cast(rb_root_type.get_type().pointer())
+ node = root.address.cast(rb_root_type.get_type().pointer())
elif root.type != rb_root_type.get_type().pointer():
raise gdb.GdbError("Must be struct rb_root not {}".format(root.type))
@@ -28,7 +28,7 @@ def rb_first(root):
def rb_last(root):
if root.type == rb_root_type.get_type():
- node = node.address.cast(rb_root_type.get_type().pointer())
+ node = root.address.cast(rb_root_type.get_type().pointer())
elif root.type != rb_root_type.get_type().pointer():
raise gdb.GdbError("Must be struct rb_root not {}".format(root.type))
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 3e8dea6e0a95..6dc3078649fa 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -34,7 +34,7 @@ struct sym_entry {
unsigned int len;
unsigned int start_pos;
unsigned int percpu_absolute;
- unsigned char sym[0];
+ unsigned char sym[];
};
struct addr_range {
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index f746ca8fa403..f68d76dd97ba 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -213,7 +213,9 @@ my $type_constant = '\b``([^\`]+)``\b';
my $type_constant2 = '\%([-_\w]+)';
my $type_func = '(\w+)\(\)';
my $type_param = '\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
+my $type_param_ref = '([\!]?)\@(\w*((\.\w+)|(->\w+))*(\.\.\.)?)';
my $type_fp_param = '\@(\w+)\(\)'; # Special RST handling for func ptr params
+my $type_fp_param2 = '\@(\w+->\S+)\(\)'; # Special RST handling for structs with func ptr params
my $type_env = '(\$\w+)';
my $type_enum = '\&(enum\s*([_\w]+))';
my $type_struct = '\&(struct\s*([_\w]+))';
@@ -236,6 +238,7 @@ my @highlights_man = (
[$type_typedef, "\\\\fI\$1\\\\fP"],
[$type_union, "\\\\fI\$1\\\\fP"],
[$type_param, "\\\\fI\$1\\\\fP"],
+ [$type_param_ref, "\\\\fI\$1\$2\\\\fP"],
[$type_member, "\\\\fI\$1\$2\$3\\\\fP"],
[$type_fallback, "\\\\fI\$1\\\\fP"]
);
@@ -249,6 +252,7 @@ my @highlights_rst = (
[$type_member_func, "\\:c\\:type\\:`\$1\$2\$3\\\\(\\\\) <\$1>`"],
[$type_member, "\\:c\\:type\\:`\$1\$2\$3 <\$1>`"],
[$type_fp_param, "**\$1\\\\(\\\\)**"],
+ [$type_fp_param2, "**\$1\\\\(\\\\)**"],
[$type_func, "\$1()"],
[$type_enum, "\\:c\\:type\\:`\$1 <\$2>`"],
[$type_struct, "\\:c\\:type\\:`\$1 <\$2>`"],
@@ -256,7 +260,7 @@ my @highlights_rst = (
[$type_union, "\\:c\\:type\\:`\$1 <\$2>`"],
# in rst this can refer to any type
[$type_fallback, "\\:c\\:type\\:`\$1`"],
- [$type_param, "**\$1**"]
+ [$type_param_ref, "**\$1\$2**"]
);
my $blankline_rst = "\n";
@@ -327,13 +331,14 @@ my $lineprefix="";
# Parser states
use constant {
- STATE_NORMAL => 0, # normal code
- STATE_NAME => 1, # looking for function name
- STATE_BODY_MAYBE => 2, # body - or maybe more description
- STATE_BODY => 3, # the body of the comment
- STATE_PROTO => 4, # scanning prototype
- STATE_DOCBLOCK => 5, # documentation block
- STATE_INLINE => 6, # gathering documentation outside main block
+ STATE_NORMAL => 0, # normal code
+ STATE_NAME => 1, # looking for function name
+ STATE_BODY_MAYBE => 2, # body - or maybe more description
+ STATE_BODY => 3, # the body of the comment
+ STATE_BODY_WITH_BLANK_LINE => 4, # the body, which has a blank line
+ STATE_PROTO => 5, # scanning prototype
+ STATE_DOCBLOCK => 6, # documentation block
+ STATE_INLINE => 7, # gathering doc outside main block
};
my $state;
my $in_doc_sect;
@@ -1953,6 +1958,12 @@ sub process_body($$) {
}
}
+ if ($state == STATE_BODY_WITH_BLANK_LINE && /^\s*\*\s?\S/) {
+ dump_section($file, $section, $contents);
+ $section = $section_default;
+ $contents = "";
+ }
+
if (/$doc_sect/i) { # case insensitive for supported section names
$newsection = $1;
$newcontents = $2;
@@ -2006,18 +2017,21 @@ sub process_body($$) {
$state = STATE_PROTO;
$brcount = 0;
} elsif (/$doc_content/) {
- # miguel-style comment kludge, look for blank lines after
- # @parameter line to signify start of description
if ($1 eq "") {
- if ($section =~ m/^@/ || $section eq $section_context) {
+ if ($section eq $section_context) {
dump_section($file, $section, $contents);
$section = $section_default;
$contents = "";
$new_start_line = $.;
+ $state = STATE_BODY;
} else {
+ if ($section ne $section_default) {
+ $state = STATE_BODY_WITH_BLANK_LINE;
+ } else {
+ $state = STATE_BODY;
+ }
$contents .= "\n";
}
- $state = STATE_BODY;
} elsif ($state == STATE_BODY_MAYBE) {
# Continued declaration purpose
chomp($declaration_purpose);
@@ -2169,7 +2183,8 @@ sub process_file($) {
process_normal();
} elsif ($state == STATE_NAME) {
process_name($file, $_);
- } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE) {
+ } elsif ($state == STATE_BODY || $state == STATE_BODY_MAYBE ||
+ $state == STATE_BODY_WITH_BLANK_LINE) {
process_body($file, $_);
} elsif ($state == STATE_INLINE) { # scanning for inline parameters
process_inline($file, $_);
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index d09ab4afbda4..3adef49250af 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -55,6 +55,29 @@ modpost_link()
${LD} ${KBUILD_LDFLAGS} -r -o ${1} ${objects}
}
+objtool_link()
+{
+ local objtoolopt;
+
+ if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then
+ objtoolopt="check"
+ if [ -z "${CONFIG_FRAME_POINTER}" ]; then
+ objtoolopt="${objtoolopt} --no-fp"
+ fi
+ if [ -n "${CONFIG_GCOV_KERNEL}" ]; then
+ objtoolopt="${objtoolopt} --no-unreachable"
+ fi
+ if [ -n "${CONFIG_RETPOLINE}" ]; then
+ objtoolopt="${objtoolopt} --retpoline"
+ fi
+ if [ -n "${CONFIG_X86_SMAP}" ]; then
+ objtoolopt="${objtoolopt} --uaccess"
+ fi
+ info OBJTOOL ${1}
+ tools/objtool/objtool ${objtoolopt} ${1}
+ fi
+}
+
# Link of vmlinux
# ${1} - output file
# ${2}, ${3}, ... - optional extra .o files
@@ -251,6 +274,7 @@ ${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1
#link vmlinux.o
info LD vmlinux.o
modpost_link vmlinux.o
+objtool_link vmlinux.o
# modpost vmlinux.o to check for section mismatches
${MAKE} -f "${srctree}/scripts/Makefile.modpost" MODPOST_VMLINUX=1
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 5c3c50c5ec52..9a98af90e625 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -948,7 +948,7 @@ static void check_section(const char *modname, struct elf_info *elf,
#define DATA_SECTIONS ".data", ".data.rel"
#define TEXT_SECTIONS ".text", ".text.unlikely", ".sched.text", \
- ".kprobes.text", ".cpuidle.text"
+ ".kprobes.text", ".cpuidle.text", ".noinstr.text"
#define OTHER_TEXT_SECTIONS ".ref.text", ".head.text", ".spinlock.text", \
".fixup", ".entry.text", ".exception.text", ".text.*", \
".coldtext"
@@ -2251,6 +2251,7 @@ static void add_header(struct buffer *b, struct module *mod)
* Include build-salt.h after module.h in order to
* inherit the definitions.
*/
+ buf_printf(b, "#define INCLUDE_VERMAGIC\n");
buf_printf(b, "#include <linux/build-salt.h>\n");
buf_printf(b, "#include <linux/vermagic.h>\n");
buf_printf(b, "#include <linux/compiler.h>\n");
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index fa3fb05cd54b..c680c3efb176 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -2,7 +2,7 @@
# SPDX-License-Identifier: GPL-2.0-or-later
use strict;
-# Copyright (c) 2017-2019 Mauro Carvalho Chehab <mchehab@kernel.org>
+# Copyright (c) 2017-2020 Mauro Carvalho Chehab <mchehab@kernel.org>
#
my $prefix = "./";
@@ -22,10 +22,16 @@ my $need = 0;
my $optional = 0;
my $need_symlink = 0;
my $need_sphinx = 0;
+my $need_venv = 0;
+my $need_virtualenv = 0;
my $rec_sphinx_upgrade = 0;
my $install = "";
my $virtenv_dir = "";
+my $python_cmd = "";
my $min_version;
+my $cur_version;
+my $rec_version = "1.7.9"; # PDF won't build here
+my $min_pdf_version = "2.4.4"; # Min version where pdf builds
#
# Command line arguments
@@ -142,12 +148,30 @@ sub findprog($)
}
}
+sub find_python_no_venv()
+{
+ my $prog = shift;
+
+ my $cur_dir = qx(pwd);
+ $cur_dir =~ s/\s+$//;
+
+ foreach my $dir (split(/:/, $ENV{PATH})) {
+ next if ($dir =~ m,($cur_dir)/sphinx,);
+ return "$dir/python3" if(-x "$dir/python3");
+ }
+ foreach my $dir (split(/:/, $ENV{PATH})) {
+ next if ($dir =~ m,($cur_dir)/sphinx,);
+ return "$dir/python" if(-x "$dir/python");
+ }
+ return "python";
+}
+
sub check_program($$)
{
my $prog = shift;
my $is_optional = shift;
- return if findprog($prog);
+ return $prog if findprog($prog);
add_package($prog, $is_optional);
}
@@ -168,9 +192,9 @@ sub check_python_module($$)
my $prog = shift;
my $is_optional = shift;
- my $err = system("python3 -c 'import $prog' 2>/dev/null /dev/null");
- return if ($err == 0);
- my $err = system("python -c 'import $prog' 2>/dev/null /dev/null");
+ return if (!$python_cmd);
+
+ my $err = system("$python_cmd -c 'import $prog' 2>/dev/null /dev/null");
return if ($err == 0);
add_package($prog, $is_optional);
@@ -225,23 +249,33 @@ sub get_sphinx_fname()
return $fname;
}
- if ($virtualenv) {
- my $prog = findprog("virtualenv-3");
- $prog = findprog("virtualenv-3.5") if (!$prog);
+ return "";
+}
- check_program("virtualenv", 0) if (!$prog);
- $need_sphinx = 1;
- } else {
- add_package("python-sphinx", 0);
- }
+sub get_sphinx_version($)
+{
+ my $cmd = shift;
+ my $ver;
- return "";
+ open IN, "$cmd --version 2>&1 |";
+ while (<IN>) {
+ if (m/^\s*sphinx-build\s+([\d\.]+)(\+\/[\da-f]+)?$/) {
+ $ver=$1;
+ last;
+ }
+ # Sphinx 1.2.x uses a different format
+ if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
+ $ver=$1;
+ last;
+ }
+ }
+ close IN;
+ return $ver;
}
sub check_sphinx()
{
- my $rec_version;
- my $cur_version;
+ my $default_version;
open IN, $conf or die "Can't open $conf";
while (<IN>) {
@@ -257,45 +291,39 @@ sub check_sphinx()
open IN, $requirement_file or die "Can't open $requirement_file";
while (<IN>) {
if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
- $rec_version=$1;
+ $default_version=$1;
last;
}
}
close IN;
- die "Can't get recommended sphinx version from $requirement_file" if (!$min_version);
+ die "Can't get default sphinx version from $requirement_file" if (!$default_version);
- $virtenv_dir = $virtenv_prefix . $rec_version;
+ $virtenv_dir = $virtenv_prefix . $default_version;
my $sphinx = get_sphinx_fname();
- return if ($sphinx eq "");
-
- open IN, "$sphinx --version 2>&1 |" or die "$sphinx returned an error";
- while (<IN>) {
- if (m/^\s*sphinx-build\s+([\d\.]+)(\+\/[\da-f]+)?$/) {
- $cur_version=$1;
- last;
- }
- # Sphinx 1.2.x uses a different format
- if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
- $cur_version=$1;
- last;
- }
+ if ($sphinx eq "") {
+ $need_sphinx = 1;
+ return;
}
- close IN;
+
+ $cur_version = get_sphinx_version($sphinx);
+ die ("$sphinx returned an error") if (!$cur_version);
die "$sphinx didn't return its version" if (!$cur_version);
if ($cur_version lt $min_version) {
printf "ERROR: Sphinx version is %s. It should be >= %s (recommended >= %s)\n",
- $cur_version, $min_version, $rec_version;;
+ $cur_version, $min_version, $default_version;
$need_sphinx = 1;
return;
}
if ($cur_version lt $rec_version) {
- printf "Sphinx version %s\n", $cur_version;
- print "Warning: It is recommended at least Sphinx version $rec_version.\n";
+ $rec_sphinx_upgrade = 1;
+ return;
+ }
+ if ($cur_version lt $min_pdf_version) {
$rec_sphinx_upgrade = 1;
return;
}
@@ -336,6 +364,7 @@ sub give_debian_hints()
my %map = (
"python-sphinx" => "python3-sphinx",
"sphinx_rtd_theme" => "python3-sphinx-rtd-theme",
+ "ensurepip" => "python3-venv",
"virtualenv" => "virtualenv",
"dot" => "graphviz",
"convert" => "imagemagick",
@@ -349,7 +378,8 @@ sub give_debian_hints()
"fonts-dejavu", 2);
check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
- "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc"],
+ "/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc"],
"fonts-noto-cjk", 2);
}
@@ -446,9 +476,11 @@ sub give_opensuse_hints()
"convert" => "ImageMagick",
"Pod::Usage" => "perl-Pod-Usage",
"xelatex" => "texlive-xetex-bin",
- "rsvg-convert" => "rsvg-view",
);
+ # On Tumbleweed, this package is also named rsvg-convert
+ $map{"rsvg-convert"} = "rsvg-view" if (!($system_release =~ /Tumbleweed/));
+
my @suse_tex_pkgs = (
"texlive-babel-english",
"texlive-caption",
@@ -491,7 +523,7 @@ sub give_mageia_hints()
"convert" => "ImageMagick",
"Pod::Usage" => "perl-Pod-Usage",
"xelatex" => "texlive",
- "rsvg-convert" => "librsvg2-tools",
+ "rsvg-convert" => "librsvg2",
);
my @tex_pkgs = (
@@ -500,16 +532,29 @@ sub give_mageia_hints()
$map{"latexmk"} = "texlive-collection-basic";
+ my $packager_cmd;
+ my $noto_sans;
+ if ($system_release =~ /OpenMandriva/) {
+ $packager_cmd = "dnf install";
+ $noto_sans = "noto-sans-cjk-fonts";
+ @tex_pkgs = ( "texlive-collection-fontsextra" );
+ } else {
+ $packager_cmd = "urpmi";
+ $noto_sans = "google-noto-sans-cjk-ttc-fonts";
+ }
+
+
if ($pdf) {
- check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc"],
- "google-noto-sans-cjk-ttc-fonts", 2);
+ check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
+ "/usr/share/fonts/TTF/NotoSans-Regular.ttf"],
+ $noto_sans, 2);
}
check_rpm_missing(\@tex_pkgs, 2) if ($pdf);
check_missing(\%map);
return if (!$need && !$optional);
- printf("You should run:\n\n\tsudo urpmi $install\n");
+ printf("You should run:\n\n\tsudo $packager_cmd $install\n");
}
sub give_arch_linux_hints()
@@ -557,7 +602,8 @@ sub give_gentoo_hints()
"media-fonts/dejavu", 2) if ($pdf);
if ($pdf) {
- check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf"],
+ check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
+ "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc"],
"media-fonts/noto-cjk", 2);
}
@@ -572,10 +618,10 @@ sub give_gentoo_hints()
my $portage_imagemagick = "/etc/portage/package.use/imagemagick";
my $portage_cairo = "/etc/portage/package.use/graphviz";
- if (qx(cat $portage_imagemagick) ne "$imagemagick\n") {
+ if (qx(grep imagemagick $portage_imagemagick 2>/dev/null) eq "") {
printf("\tsudo su -c 'echo \"$imagemagick\" > $portage_imagemagick'\n")
}
- if (qx(cat $portage_cairo) ne "$cairo\n") {
+ if (qx(grep graphviz $portage_cairo 2>/dev/null) eq "") {
printf("\tsudo su -c 'echo \"$cairo\" > $portage_cairo'\n");
}
@@ -622,6 +668,10 @@ sub check_distros()
give_mageia_hints;
return;
}
+ if ($system_release =~ /OpenMandriva/) {
+ give_mageia_hints;
+ return;
+ }
if ($system_release =~ /Arch Linux/) {
give_arch_linux_hints;
return;
@@ -651,22 +701,58 @@ sub check_distros()
sub deactivate_help()
{
- printf "\tIf you want to exit the virtualenv, you can use:\n";
+ printf "\nIf you want to exit the virtualenv, you can use:\n";
printf "\tdeactivate\n";
}
sub check_needs()
{
- # Check for needed programs/tools
+ # Check if Sphinx is already accessible from current environment
check_sphinx();
if ($system_release) {
- print "Detected OS: $system_release.\n\n";
+ print "Detected OS: $system_release.\n";
} else {
- print "Unknown OS\n\n";
+ print "Unknown OS\n";
+ }
+ printf "Sphinx version: %s\n\n", $cur_version if ($cur_version);
+
+ # Check python command line, trying first python3
+ $python_cmd = findprog("python3");
+ $python_cmd = check_program("python", 0) if (!$python_cmd);
+
+ # Check the type of virtual env, depending on Python version
+ if ($python_cmd) {
+ if ($virtualenv) {
+ my $tmp = qx($python_cmd --version 2>&1);
+ if ($tmp =~ m/(\d+\.)(\d+\.)/) {
+ if ($1 >= 3 && $2 >= 3) {
+ $need_venv = 1; # python 3.3 or upper
+ } else {
+ $need_virtualenv = 1;
+ }
+ if ($1 < 3) {
+ # Complain if it finds python2 (or worse)
+ printf "Warning: python$1 support is deprecated. Use it with caution!\n";
+ }
+ } else {
+ die "Warning: couldn't identify $python_cmd version!";
+ }
+ } else {
+ add_package("python-sphinx", 0);
+ }
}
- print "To upgrade Sphinx, use:\n\n" if ($rec_sphinx_upgrade);
+ # Set virtualenv command line, if python < 3.3
+ my $virtualenv_cmd;
+ if ($need_virtualenv) {
+ $virtualenv_cmd = findprog("virtualenv-3");
+ $virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
+ if (!$virtualenv_cmd) {
+ check_program("virtualenv", 0);
+ $virtualenv_cmd = "virtualenv";
+ }
+ }
# Check for needed programs/tools
check_perl_module("Pod::Usage", 0);
@@ -681,46 +767,81 @@ sub check_needs()
check_program("rsvg-convert", 2) if ($pdf);
check_program("latexmk", 2) if ($pdf);
+ if ($need_sphinx || $rec_sphinx_upgrade) {
+ check_python_module("ensurepip", 0) if ($need_venv);
+ }
+
+ # Do distro-specific checks and output distro-install commands
check_distros();
+ if (!$python_cmd) {
+ if ($need == 1) {
+ die "Can't build as $need mandatory dependency is missing";
+ } elsif ($need) {
+ die "Can't build as $need mandatory dependencies are missing";
+ }
+ }
+
+ # Check if sphinx-build is called sphinx-build-3
if ($need_symlink) {
printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
which("sphinx-build-3");
}
+
+ # NOTE: if the system has a too old Sphinx version installed,
+ # it will recommend installing a newer version using virtualenv
+
if ($need_sphinx || $rec_sphinx_upgrade) {
my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
+ if ($cur_version lt $rec_version) {
+ print "Warning: It is recommended at least Sphinx version $rec_version.\n";
+ print " If you want pdf, you need at least $min_pdf_version.\n";
+ }
+ if ($cur_version lt $min_pdf_version) {
+ print "Note: It is recommended at least Sphinx version $min_pdf_version if you need PDF support.\n";
+ }
@activates = sort {$b cmp $a} @activates;
-
- if ($need_sphinx && scalar @activates > 0 && $activates[0] ge $min_activate) {
- printf "\nNeed to activate a compatible Sphinx version on virtualenv with:\n";
- printf "\t. $activates[0]\n";
- deactivate_help();
- exit (1);
- } else {
- my $rec_activate = "$virtenv_dir/bin/activate";
- my $virtualenv = findprog("virtualenv-3");
- my $rec_python3 = "";
- $virtualenv = findprog("virtualenv-3.5") if (!$virtualenv);
- $virtualenv = findprog("virtualenv") if (!$virtualenv);
- $virtualenv = "virtualenv" if (!$virtualenv);
-
- my $rel = "";
- if (index($system_release, "Ubuntu") != -1) {
- $rel = $1 if ($system_release =~ /Ubuntu\s+(\d+)[.]/);
- if ($rel && $rel >= 16) {
- $rec_python3 = " -p python3";
- }
+ my ($activate, $ver);
+ foreach my $f (@activates) {
+ next if ($f lt $min_activate);
+
+ my $sphinx_cmd = $f;
+ $sphinx_cmd =~ s/activate/sphinx-build/;
+ next if (! -f $sphinx_cmd);
+
+ $ver = get_sphinx_version($sphinx_cmd);
+ if ($need_sphinx && ($ver ge $min_version)) {
+ $activate = $f;
+ last;
+ } elsif ($ver gt $cur_version) {
+ $activate = $f;
+ last;
}
- if (index($system_release, "Debian") != -1) {
- $rel = $1 if ($system_release =~ /Debian\s+(\d+)/);
- if ($rel && $rel >= 7) {
- $rec_python3 = " -p python3";
- }
+ }
+ if ($activate ne "") {
+ if ($need_sphinx) {
+ printf "\nNeed to activate Sphinx (version $ver) on virtualenv with:\n";
+ printf "\t. $activate\n";
+ deactivate_help();
+ exit (1);
+ } else {
+ printf "\nYou may also use a newer Sphinx (version $ver) with:\n";
+ printf "\tdeactivate && . $activate\n";
}
+ } else {
+ my $rec_activate = "$virtenv_dir/bin/activate";
+
+ print "To upgrade Sphinx, use:\n\n" if ($rec_sphinx_upgrade);
+
+ $python_cmd = find_python_no_venv();
- printf "\t$virtualenv$rec_python3 $virtenv_dir\n";
+ if ($need_venv) {
+ printf "\t$python_cmd -m venv $virtenv_dir\n";
+ } else {
+ printf "\t$virtualenv_cmd $virtenv_dir\n";
+ }
printf "\t. $rec_activate\n";
printf "\tpip install -r $requirement_file\n";
deactivate_help();
@@ -780,6 +901,24 @@ $system_release = catcheck("/etc/system-release") if !$system_release;
$system_release = catcheck("/etc/redhat-release") if !$system_release;
$system_release = catcheck("/etc/lsb-release") if !$system_release;
$system_release = catcheck("/etc/gentoo-release") if !$system_release;
+
+# This seems more common than LSB these days
+if (!$system_release) {
+ my %os_var;
+ if (open IN, "cat /etc/os-release|") {
+ while (<IN>) {
+ if (m/^([\w\d\_]+)=\"?([^\"]*)\"?\n/) {
+ $os_var{$1}=$2;
+ }
+ }
+ $system_release = $os_var{"NAME"};
+ if (defined($os_var{"VERSION_ID"})) {
+ $system_release .= " " . $os_var{"VERSION_ID"} if (defined($os_var{"VERSION_ID"}));
+ } else {
+ $system_release .= " " . $os_var{"VERSION"};
+ }
+ }
+}
$system_release = catcheck("/etc/issue") if !$system_release;
$system_release =~ s/\s+$//;
diff --git a/security/Makefile b/security/Makefile
index 22e73a3482bd..3baf435de541 100644
--- a/security/Makefile
+++ b/security/Makefile
@@ -30,7 +30,7 @@ obj-$(CONFIG_SECURITY_YAMA) += yama/
obj-$(CONFIG_SECURITY_LOADPIN) += loadpin/
obj-$(CONFIG_SECURITY_SAFESETID) += safesetid/
obj-$(CONFIG_SECURITY_LOCKDOWN_LSM) += lockdown/
-obj-$(CONFIG_CGROUP_DEVICE) += device_cgroup.o
+obj-$(CONFIG_CGROUPS) += device_cgroup.o
obj-$(CONFIG_BPF_LSM) += bpf/
# Object integrity file lists
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 280741fc0f5f..f6a3ecfadf80 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -454,7 +454,7 @@ static ssize_t policy_update(u32 mask, const char __user *buf, size_t size,
*/
error = aa_may_manage_policy(label, ns, mask);
if (error)
- return error;
+ goto end_section;
data = aa_simple_write_to_buffer(buf, size, size, pos);
error = PTR_ERR(data);
@@ -462,6 +462,7 @@ static ssize_t policy_update(u32 mask, const char __user *buf, size_t size,
error = aa_replace_profiles(ns, label, mask, data);
aa_put_loaddata(data);
}
+end_section:
end_current_label_crit_section(label);
return error;
diff --git a/security/apparmor/audit.c b/security/apparmor/audit.c
index 5a98661a8b46..597732503815 100644
--- a/security/apparmor/audit.c
+++ b/security/apparmor/audit.c
@@ -197,8 +197,9 @@ int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule)
rule->label = aa_label_parse(&root_ns->unconfined->label, rulestr,
GFP_KERNEL, true, false);
if (IS_ERR(rule->label)) {
+ int err = PTR_ERR(rule->label);
aa_audit_rule_free(rule);
- return PTR_ERR(rule->label);
+ return err;
}
*vrule = rule;
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index 6ceb74e0f789..a84ef030fbd7 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -1328,6 +1328,7 @@ int aa_change_profile(const char *fqname, int flags)
ctx->nnp = aa_get_label(label);
if (!fqname || !*fqname) {
+ aa_put_label(label);
AA_DEBUG("no profile name");
return -EINVAL;
}
@@ -1346,8 +1347,6 @@ int aa_change_profile(const char *fqname, int flags)
op = OP_CHANGE_PROFILE;
}
- label = aa_get_current_label();
-
if (*fqname == '&') {
stack = true;
/* don't have label_parse() do stacking */
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index b621ad74f54a..27e371b44dad 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -1696,7 +1696,7 @@ static int __init alloc_buffers(void)
#ifdef CONFIG_SYSCTL
static int apparmor_dointvec(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
if (!policy_admin_capable(NULL))
return -EPERM;
diff --git a/security/commoncap.c b/security/commoncap.c
index f4ee0ae106b2..0ca31c8bc0b1 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -812,6 +812,7 @@ int cap_bprm_set_creds(struct linux_binprm *bprm)
int ret;
kuid_t root_uid;
+ new->cap_ambient = old->cap_ambient;
if (WARN_ON(!cap_ambient_invariant_ok(old)))
return -EPERM;
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 7d0f8f7431ff..43ab0ad45c1b 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -15,6 +15,8 @@
#include <linux/rcupdate.h>
#include <linux/mutex.h>
+#ifdef CONFIG_CGROUP_DEVICE
+
static DEFINE_MUTEX(devcgroup_mutex);
enum devcg_behavior {
@@ -792,7 +794,7 @@ struct cgroup_subsys devices_cgrp_subsys = {
};
/**
- * __devcgroup_check_permission - checks if an inode operation is permitted
+ * devcgroup_legacy_check_permission - checks if an inode operation is permitted
* @dev_cgroup: the dev cgroup to be tested against
* @type: device type
* @major: device major number
@@ -801,7 +803,7 @@ struct cgroup_subsys devices_cgrp_subsys = {
*
* returns 0 on success, -EPERM case the operation is not permitted
*/
-static int __devcgroup_check_permission(short type, u32 major, u32 minor,
+static int devcgroup_legacy_check_permission(short type, u32 major, u32 minor,
short access)
{
struct dev_cgroup *dev_cgroup;
@@ -825,6 +827,10 @@ static int __devcgroup_check_permission(short type, u32 major, u32 minor,
return 0;
}
+#endif /* CONFIG_CGROUP_DEVICE */
+
+#if defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF)
+
int devcgroup_check_permission(short type, u32 major, u32 minor, short access)
{
int rc = BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type, major, minor, access);
@@ -832,6 +838,13 @@ int devcgroup_check_permission(short type, u32 major, u32 minor, short access)
if (rc)
return -EPERM;
- return __devcgroup_check_permission(type, major, minor, access);
+ #ifdef CONFIG_CGROUP_DEVICE
+ return devcgroup_legacy_check_permission(type, major, minor, access);
+
+ #else /* CONFIG_CGROUP_DEVICE */
+ return 0;
+
+ #endif /* CONFIG_CGROUP_DEVICE */
}
EXPORT_SYMBOL(devcgroup_check_permission);
+#endif /* defined(CONFIG_CGROUP_DEVICE) || defined(CONFIG_CGROUP_BPF) */
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 35682852ddea..764b896cd628 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -73,7 +73,7 @@ static struct shash_desc *init_desc(char type, uint8_t hash_algo)
{
long rc;
const char *algo;
- struct crypto_shash **tfm;
+ struct crypto_shash **tfm, *tmp_tfm;
struct shash_desc *desc;
if (type == EVM_XATTR_HMAC) {
@@ -91,31 +91,31 @@ static struct shash_desc *init_desc(char type, uint8_t hash_algo)
algo = hash_algo_name[hash_algo];
}
- if (*tfm == NULL) {
- mutex_lock(&mutex);
- if (*tfm)
- goto out;
- *tfm = crypto_alloc_shash(algo, 0, CRYPTO_NOLOAD);
- if (IS_ERR(*tfm)) {
- rc = PTR_ERR(*tfm);
- pr_err("Can not allocate %s (reason: %ld)\n", algo, rc);
- *tfm = NULL;
+ if (*tfm)
+ goto alloc;
+ mutex_lock(&mutex);
+ if (*tfm)
+ goto unlock;
+
+ tmp_tfm = crypto_alloc_shash(algo, 0, CRYPTO_NOLOAD);
+ if (IS_ERR(tmp_tfm)) {
+ pr_err("Can not allocate %s (reason: %ld)\n", algo,
+ PTR_ERR(tmp_tfm));
+ mutex_unlock(&mutex);
+ return ERR_CAST(tmp_tfm);
+ }
+ if (type == EVM_XATTR_HMAC) {
+ rc = crypto_shash_setkey(tmp_tfm, evmkey, evmkey_len);
+ if (rc) {
+ crypto_free_shash(tmp_tfm);
mutex_unlock(&mutex);
return ERR_PTR(rc);
}
- if (type == EVM_XATTR_HMAC) {
- rc = crypto_shash_setkey(*tfm, evmkey, evmkey_len);
- if (rc) {
- crypto_free_shash(*tfm);
- *tfm = NULL;
- mutex_unlock(&mutex);
- return ERR_PTR(rc);
- }
- }
-out:
- mutex_unlock(&mutex);
}
-
+ *tfm = tmp_tfm;
+unlock:
+ mutex_unlock(&mutex);
+alloc:
desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(*tfm),
GFP_KERNEL);
if (!desc)
@@ -207,7 +207,7 @@ static int evm_calc_hmac_or_hash(struct dentry *dentry,
data->hdr.length = crypto_shash_digestsize(desc->tfm);
error = -ENODATA;
- list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
+ list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
bool is_ima = false;
if (strcmp(xattr->name, XATTR_NAME_IMA) == 0)
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index d361d7fdafc4..0d36259b690d 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -97,7 +97,7 @@ static int evm_find_protected_xattrs(struct dentry *dentry)
if (!(inode->i_opflags & IOP_XATTR))
return -EOPNOTSUPP;
- list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
+ list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
error = __vfs_getxattr(dentry, inode, xattr->name, NULL, 0);
if (error < 0) {
if (error == -ENODATA)
@@ -228,7 +228,7 @@ static int evm_protected_xattr(const char *req_xattr_name)
struct xattr_list *xattr;
namelen = strlen(req_xattr_name);
- list_for_each_entry_rcu(xattr, &evm_config_xattrnames, list) {
+ list_for_each_entry_lockless(xattr, &evm_config_xattrnames, list) {
if ((strlen(xattr->name) == namelen)
&& (strncmp(req_xattr_name, xattr->name, namelen) == 0)) {
found = 1;
diff --git a/security/integrity/evm/evm_secfs.c b/security/integrity/evm/evm_secfs.c
index 39ad1038d45d..cfc3075769bb 100644
--- a/security/integrity/evm/evm_secfs.c
+++ b/security/integrity/evm/evm_secfs.c
@@ -232,7 +232,14 @@ static ssize_t evm_write_xattrs(struct file *file, const char __user *buf,
goto out;
}
- /* Guard against races in evm_read_xattrs */
+ /*
+ * xattr_list_mutex guards against races in evm_read_xattrs().
+ * Entries are only added to the evm_config_xattrnames list
+ * and never deleted. Therefore, the list is traversed
+ * using list_for_each_entry_lockless() without holding
+ * the mutex in evm_calc_hmac_or_hash(), evm_find_protected_xattrs()
+ * and evm_protected_xattr().
+ */
mutex_lock(&xattr_list_mutex);
list_for_each_entry(tmp, &evm_config_xattrnames, list) {
if (strcmp(xattr->name, tmp->name) == 0) {
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 423c84f95a14..88b5e288f241 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -411,7 +411,7 @@ int ima_calc_file_hash(struct file *file, struct ima_digest_data *hash)
loff_t i_size;
int rc;
struct file *f = file;
- bool new_file_instance = false, modified_flags = false;
+ bool new_file_instance = false, modified_mode = false;
/*
* For consistency, fail file's opened with the O_DIRECT flag on
@@ -431,13 +431,13 @@ int ima_calc_file_hash(struct file *file, struct ima_digest_data *hash)
f = dentry_open(&file->f_path, flags, file->f_cred);
if (IS_ERR(f)) {
/*
- * Cannot open the file again, lets modify f_flags
+ * Cannot open the file again, lets modify f_mode
* of original and continue
*/
pr_info_ratelimited("Unable to reopen file for reading.\n");
f = file;
- f->f_flags |= FMODE_READ;
- modified_flags = true;
+ f->f_mode |= FMODE_READ;
+ modified_mode = true;
} else {
new_file_instance = true;
}
@@ -455,8 +455,8 @@ int ima_calc_file_hash(struct file *file, struct ima_digest_data *hash)
out:
if (new_file_instance)
fput(f);
- else if (modified_flags)
- f->f_flags &= ~FMODE_READ;
+ else if (modified_mode)
+ f->f_mode &= ~FMODE_READ;
return rc;
}
diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c
index a71e822a6e92..3efc8308ad26 100644
--- a/security/integrity/ima/ima_fs.c
+++ b/security/integrity/ima/ima_fs.c
@@ -338,8 +338,7 @@ static ssize_t ima_write_policy(struct file *file, const char __user *buf,
integrity_audit_msg(AUDIT_INTEGRITY_STATUS, NULL, NULL,
"policy_update", "signed policy required",
1, 0);
- if (ima_appraise & IMA_APPRAISE_ENFORCE)
- result = -EACCES;
+ result = -EACCES;
} else {
result = ima_parse_add_rule(data);
}
diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c
index f6797ba44bf7..14cf81d1a30b 100644
--- a/security/keys/encrypted-keys/encrypted.c
+++ b/security/keys/encrypted-keys/encrypted.c
@@ -323,19 +323,6 @@ error:
return ukey;
}
-static int calc_hash(struct crypto_shash *tfm, u8 *digest,
- const u8 *buf, unsigned int buflen)
-{
- SHASH_DESC_ON_STACK(desc, tfm);
- int err;
-
- desc->tfm = tfm;
-
- err = crypto_shash_digest(desc, buf, buflen, digest);
- shash_desc_zero(desc);
- return err;
-}
-
static int calc_hmac(u8 *digest, const u8 *key, unsigned int keylen,
const u8 *buf, unsigned int buflen)
{
@@ -351,7 +338,7 @@ static int calc_hmac(u8 *digest, const u8 *key, unsigned int keylen,
err = crypto_shash_setkey(tfm, key, keylen);
if (!err)
- err = calc_hash(tfm, digest, buf, buflen);
+ err = crypto_shash_tfm_digest(tfm, buf, buflen, digest);
crypto_free_shash(tfm);
return err;
}
@@ -381,7 +368,8 @@ static int get_derived_key(u8 *derived_key, enum derived_key_type key_type,
memcpy(derived_buf + strlen(derived_buf) + 1, master_key,
master_keylen);
- ret = calc_hash(hash_tfm, derived_key, derived_buf, derived_buf_len);
+ ret = crypto_shash_tfm_digest(hash_tfm, derived_buf, derived_buf_len,
+ derived_key);
kzfree(derived_buf);
return ret;
}
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index 5a952617a0eb..87cbdc64d272 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -150,7 +150,7 @@ static int __init lockdown_secfs_init(void)
{
struct dentry *dentry;
- dentry = securityfs_create_file("lockdown", 0600, NULL, NULL,
+ dentry = securityfs_create_file("lockdown", 0644, NULL, NULL,
&lockdown_ops);
return PTR_ERR_OR_ZERO(dentry);
}
diff --git a/security/min_addr.c b/security/min_addr.c
index 94d2b0cf0e7b..88c9a6a21f47 100644
--- a/security/min_addr.c
+++ b/security/min_addr.c
@@ -30,7 +30,7 @@ static void update_mmap_min_addr(void)
* calls update_mmap_min_addr() so non MAP_FIXED hints get rounded properly
*/
int mmap_min_addr_handler(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
diff --git a/security/security.c b/security/security.c
index 7fed24b9d57e..51de970fbb1e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1965,8 +1965,20 @@ EXPORT_SYMBOL(security_ismaclabel);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
- return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
- seclen);
+ struct security_hook_list *hp;
+ int rc;
+
+ /*
+ * Currently, only one LSM can implement secid_to_secctx (i.e this
+ * LSM hook is not "stackable").
+ */
+ hlist_for_each_entry(hp, &security_hook_heads.secid_to_secctx, list) {
+ rc = hp->hook.secid_to_secctx(secid, secdata, seclen);
+ if (rc != LSM_RET_DEFAULT(secid_to_secctx))
+ return rc;
+ }
+
+ return LSM_RET_DEFAULT(secid_to_secctx);
}
EXPORT_SYMBOL(security_secid_to_secctx);
diff --git a/security/selinux/Makefile b/security/selinux/Makefile
index 0c77ede1cc11..4d8e0e8adf0b 100644
--- a/security/selinux/Makefile
+++ b/security/selinux/Makefile
@@ -8,7 +8,7 @@ obj-$(CONFIG_SECURITY_SELINUX) := selinux.o
selinux-y := avc.o hooks.o selinuxfs.o netlink.o nlmsgtab.o netif.o \
netnode.o netport.o status.o \
ss/ebitmap.o ss/hashtab.o ss/symtab.o ss/sidtab.o ss/avtab.o \
- ss/policydb.o ss/services.o ss/conditional.o ss/mls.o
+ ss/policydb.o ss/services.o ss/conditional.o ss/mls.o ss/context.o
selinux-$(CONFIG_SECURITY_NETWORK_XFRM) += xfrm.o
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 0b4e32161b77..4c037c2545c1 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -5842,40 +5842,60 @@ static unsigned int selinux_ipv6_postroute(void *priv,
static int selinux_netlink_send(struct sock *sk, struct sk_buff *skb)
{
- int err = 0;
- u32 perm;
+ int rc = 0;
+ unsigned int msg_len;
+ unsigned int data_len = skb->len;
+ unsigned char *data = skb->data;
struct nlmsghdr *nlh;
struct sk_security_struct *sksec = sk->sk_security;
+ u16 sclass = sksec->sclass;
+ u32 perm;
- if (skb->len < NLMSG_HDRLEN) {
- err = -EINVAL;
- goto out;
- }
- nlh = nlmsg_hdr(skb);
+ while (data_len >= nlmsg_total_size(0)) {
+ nlh = (struct nlmsghdr *)data;
+
+ /* NOTE: the nlmsg_len field isn't reliably set by some netlink
+ * users which means we can't reject skb's with bogus
+ * length fields; our solution is to follow what
+ * netlink_rcv_skb() does and simply skip processing at
+ * messages with length fields that are clearly junk
+ */
+ if (nlh->nlmsg_len < NLMSG_HDRLEN || nlh->nlmsg_len > data_len)
+ return 0;
- err = selinux_nlmsg_lookup(sksec->sclass, nlh->nlmsg_type, &perm);
- if (err) {
- if (err == -EINVAL) {
+ rc = selinux_nlmsg_lookup(sclass, nlh->nlmsg_type, &perm);
+ if (rc == 0) {
+ rc = sock_has_perm(sk, perm);
+ if (rc)
+ return rc;
+ } else if (rc == -EINVAL) {
+ /* -EINVAL is a missing msg/perm mapping */
pr_warn_ratelimited("SELinux: unrecognized netlink"
- " message: protocol=%hu nlmsg_type=%hu sclass=%s"
- " pid=%d comm=%s\n",
- sk->sk_protocol, nlh->nlmsg_type,
- secclass_map[sksec->sclass - 1].name,
- task_pid_nr(current), current->comm);
- if (!enforcing_enabled(&selinux_state) ||
- security_get_allow_unknown(&selinux_state))
- err = 0;
+ " message: protocol=%hu nlmsg_type=%hu sclass=%s"
+ " pid=%d comm=%s\n",
+ sk->sk_protocol, nlh->nlmsg_type,
+ secclass_map[sclass - 1].name,
+ task_pid_nr(current), current->comm);
+ if (enforcing_enabled(&selinux_state) &&
+ !security_get_allow_unknown(&selinux_state))
+ return rc;
+ rc = 0;
+ } else if (rc == -ENOENT) {
+ /* -ENOENT is a missing socket/class mapping, ignore */
+ rc = 0;
+ } else {
+ return rc;
}
- /* Ignore */
- if (err == -ENOENT)
- err = 0;
- goto out;
+ /* move to the next message after applying netlink padding */
+ msg_len = NLMSG_ALIGN(nlh->nlmsg_len);
+ if (msg_len >= data_len)
+ return 0;
+ data_len -= msg_len;
+ data += msg_len;
}
- err = sock_has_perm(sk, perm);
-out:
- return err;
+ return rc;
}
static void ipc_init_security(struct ipc_security_struct *isec, u16 sclass)
diff --git a/security/selinux/include/classmap.h b/security/selinux/include/classmap.h
index 986f3ac14282..98e1513b608a 100644
--- a/security/selinux/include/classmap.h
+++ b/security/selinux/include/classmap.h
@@ -27,9 +27,9 @@
"audit_control", "setfcap"
#define COMMON_CAP2_PERMS "mac_override", "mac_admin", "syslog", \
- "wake_alarm", "block_suspend", "audit_read"
+ "wake_alarm", "block_suspend", "audit_read", "perfmon", "bpf"
-#if CAP_LAST_CAP > CAP_AUDIT_READ
+#if CAP_LAST_CAP > CAP_BPF
#error New capability defined, please update COMMON_CAP2_PERMS.
#endif
diff --git a/security/selinux/include/netlabel.h b/security/selinux/include/netlabel.h
index d30d8d7cdc9c..0c58f62dc6ab 100644
--- a/security/selinux/include/netlabel.h
+++ b/security/selinux/include/netlabel.h
@@ -98,12 +98,6 @@ static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
return 0;
}
-static inline int selinux_netlbl_conn_setsid(struct sock *sk,
- struct sockaddr *addr)
-{
- return 0;
-}
-
static inline int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
struct sk_buff *skb)
{
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index d6036c018cf2..b0e02cfe3ce1 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -41,10 +41,11 @@
#define POLICYDB_VERSION_XPERMS_IOCTL 30
#define POLICYDB_VERSION_INFINIBAND 31
#define POLICYDB_VERSION_GLBLUB 32
+#define POLICYDB_VERSION_COMP_FTRANS 33 /* compressed filename transitions */
/* Range of policy versions we understand*/
#define POLICYDB_VERSION_MIN POLICYDB_VERSION_BASE
-#define POLICYDB_VERSION_MAX POLICYDB_VERSION_GLBLUB
+#define POLICYDB_VERSION_MAX POLICYDB_VERSION_COMP_FTRANS
/* Mask for just the mount related flags */
#define SE_MNTMASK 0x0f
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 939a74fd8fb4..da94a1b4bfda 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -429,7 +429,7 @@ int cond_read_list(struct policydb *p, void *fp)
p->cond_list = kcalloc(len, sizeof(*p->cond_list), GFP_KERNEL);
if (!p->cond_list)
- return rc;
+ return -ENOMEM;
rc = avtab_alloc(&(p->te_cond_avtab), p->te_avtab.nel);
if (rc)
diff --git a/security/selinux/ss/context.c b/security/selinux/ss/context.c
new file mode 100644
index 000000000000..38bc0aa524a6
--- /dev/null
+++ b/security/selinux/ss/context.c
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Implementations of the security context functions.
+ *
+ * Author: Ondrej Mosnacek <omosnacek@gmail.com>
+ * Copyright (C) 2020 Red Hat, Inc.
+ */
+
+#include <linux/jhash.h>
+
+#include "context.h"
+#include "mls.h"
+
+u32 context_compute_hash(const struct context *c)
+{
+ u32 hash = 0;
+
+ /*
+ * If a context is invalid, it will always be represented by a
+ * context struct with only the len & str set (and vice versa)
+ * under a given policy. Since context structs from different
+ * policies should never meet, it is safe to hash valid and
+ * invalid contexts differently. The context_cmp() function
+ * already operates under the same assumption.
+ */
+ if (c->len)
+ return full_name_hash(NULL, c->str, c->len);
+
+ hash = jhash_3words(c->user, c->role, c->type, hash);
+ hash = mls_range_hash(&c->range, hash);
+ return hash;
+}
diff --git a/security/selinux/ss/context.h b/security/selinux/ss/context.h
index 3ba044fe02ed..62990aa1ec9e 100644
--- a/security/selinux/ss/context.h
+++ b/security/selinux/ss/context.h
@@ -31,7 +31,6 @@ struct context {
u32 len; /* length of string in bytes */
struct mls_range range;
char *str; /* string representation if context cannot be mapped. */
- u32 hash; /* a hash of the string representation */
};
static inline void mls_context_init(struct context *c)
@@ -169,13 +168,12 @@ static inline int context_cpy(struct context *dst, struct context *src)
kfree(dst->str);
return rc;
}
- dst->hash = src->hash;
return 0;
}
static inline void context_destroy(struct context *c)
{
- c->user = c->role = c->type = c->hash = 0;
+ c->user = c->role = c->type = 0;
kfree(c->str);
c->str = NULL;
c->len = 0;
@@ -184,8 +182,6 @@ static inline void context_destroy(struct context *c)
static inline int context_cmp(struct context *c1, struct context *c2)
{
- if (c1->hash && c2->hash && (c1->hash != c2->hash))
- return 0;
if (c1->len && c2->len)
return (c1->len == c2->len && !strcmp(c1->str, c2->str));
if (c1->len || c2->len)
@@ -196,10 +192,7 @@ static inline int context_cmp(struct context *c1, struct context *c2)
mls_context_cmp(c1, c2));
}
-static inline unsigned int context_compute_hash(const char *s)
-{
- return full_name_hash(NULL, s, strlen(s));
-}
+u32 context_compute_hash(const struct context *c);
#endif /* _SS_CONTEXT_H_ */
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index c8c3663111e2..14bedc95c6dc 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/errno.h>
+#include <linux/jhash.h>
#include <net/netlabel.h>
#include "ebitmap.h"
#include "policydb.h"
@@ -542,6 +543,19 @@ int ebitmap_write(struct ebitmap *e, void *fp)
return 0;
}
+u32 ebitmap_hash(const struct ebitmap *e, u32 hash)
+{
+ struct ebitmap_node *node;
+
+ /* need to change hash even if ebitmap is empty */
+ hash = jhash_1word(e->highbit, hash);
+ for (node = e->node; node; node = node->next) {
+ hash = jhash_1word(node->startbit, hash);
+ hash = jhash(node->maps, sizeof(node->maps), hash);
+ }
+ return hash;
+}
+
void __init ebitmap_cache_init(void)
{
ebitmap_node_cachep = kmem_cache_create("ebitmap_node",
diff --git a/security/selinux/ss/ebitmap.h b/security/selinux/ss/ebitmap.h
index 9a23b81b8832..9eb2d0af2805 100644
--- a/security/selinux/ss/ebitmap.h
+++ b/security/selinux/ss/ebitmap.h
@@ -131,6 +131,7 @@ int ebitmap_set_bit(struct ebitmap *e, unsigned long bit, int value);
void ebitmap_destroy(struct ebitmap *e);
int ebitmap_read(struct ebitmap *e, void *fp);
int ebitmap_write(struct ebitmap *e, void *fp);
+u32 ebitmap_hash(const struct ebitmap *e, u32 hash);
#ifdef CONFIG_NETLABEL
int ebitmap_netlbl_export(struct ebitmap *ebmap,
diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 883f19d32c28..5ee868116d70 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -29,34 +29,21 @@ static u32 hashtab_compute_size(u32 nel)
return nel == 0 ? 0 : roundup_pow_of_two(nel);
}
-struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *key),
- int (*keycmp)(struct hashtab *h, const void *key1, const void *key2),
- u32 nel_hint)
+int hashtab_init(struct hashtab *h,
+ u32 (*hash_value)(struct hashtab *h, const void *key),
+ int (*keycmp)(struct hashtab *h, const void *key1,
+ const void *key2),
+ u32 nel_hint)
{
- struct hashtab *p;
- u32 i, size = hashtab_compute_size(nel_hint);
-
- p = kzalloc(sizeof(*p), GFP_KERNEL);
- if (!p)
- return p;
-
- p->size = size;
- p->nel = 0;
- p->hash_value = hash_value;
- p->keycmp = keycmp;
- if (!size)
- return p;
-
- p->htable = kmalloc_array(size, sizeof(*p->htable), GFP_KERNEL);
- if (!p->htable) {
- kfree(p);
- return NULL;
- }
-
- for (i = 0; i < size; i++)
- p->htable[i] = NULL;
+ h->size = hashtab_compute_size(nel_hint);
+ h->nel = 0;
+ h->hash_value = hash_value;
+ h->keycmp = keycmp;
+ if (!h->size)
+ return 0;
- return p;
+ h->htable = kcalloc(h->size, sizeof(*h->htable), GFP_KERNEL);
+ return h->htable ? 0 : -ENOMEM;
}
int hashtab_insert(struct hashtab *h, void *key, void *datum)
@@ -66,7 +53,7 @@ int hashtab_insert(struct hashtab *h, void *key, void *datum)
cond_resched();
- if (!h || !h->size || h->nel == HASHTAB_MAX_NODES)
+ if (!h->size || h->nel == HASHTAB_MAX_NODES)
return -EINVAL;
hvalue = h->hash_value(h, key);
@@ -102,7 +89,7 @@ void *hashtab_search(struct hashtab *h, const void *key)
u32 hvalue;
struct hashtab_node *cur;
- if (!h || !h->size)
+ if (!h->size)
return NULL;
hvalue = h->hash_value(h, key);
@@ -121,9 +108,6 @@ void hashtab_destroy(struct hashtab *h)
u32 i;
struct hashtab_node *cur, *temp;
- if (!h)
- return;
-
for (i = 0; i < h->size; i++) {
cur = h->htable[i];
while (cur) {
@@ -136,8 +120,6 @@ void hashtab_destroy(struct hashtab *h)
kfree(h->htable);
h->htable = NULL;
-
- kfree(h);
}
int hashtab_map(struct hashtab *h,
@@ -148,9 +130,6 @@ int hashtab_map(struct hashtab *h,
int ret;
struct hashtab_node *cur;
- if (!h)
- return 0;
-
for (i = 0; i < h->size; i++) {
cur = h->htable[i];
while (cur) {
diff --git a/security/selinux/ss/hashtab.h b/security/selinux/ss/hashtab.h
index dde54d9ff01c..31c11511fe10 100644
--- a/security/selinux/ss/hashtab.h
+++ b/security/selinux/ss/hashtab.h
@@ -35,14 +35,15 @@ struct hashtab_info {
};
/*
- * Creates a new hash table with the specified characteristics.
+ * Initializes a new hash table with the specified characteristics.
*
- * Returns NULL if insufficent space is available or
- * the new hash table otherwise.
+ * Returns -ENOMEM if insufficient space is available or 0 otherwise.
*/
-struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, const void *key),
- int (*keycmp)(struct hashtab *h, const void *key1, const void *key2),
- u32 nel_hint);
+int hashtab_init(struct hashtab *h,
+ u32 (*hash_value)(struct hashtab *h, const void *key),
+ int (*keycmp)(struct hashtab *h, const void *key1,
+ const void *key2),
+ u32 nel_hint);
/*
* Inserts the specified (key, datum) pair into the specified hash table.
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index ec5e3d1da9ac..cd8734f25b39 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -165,7 +165,7 @@ int mls_level_isvalid(struct policydb *p, struct mls_level *l)
if (!l->sens || l->sens > p->p_levels.nprim)
return 0;
- levdatum = hashtab_search(p->p_levels.table,
+ levdatum = hashtab_search(&p->p_levels.table,
sym_name(p, SYM_LEVELS, l->sens - 1));
if (!levdatum)
return 0;
@@ -293,7 +293,7 @@ int mls_context_to_sid(struct policydb *pol,
*(next_cat++) = '\0';
/* Parse sensitivity. */
- levdatum = hashtab_search(pol->p_levels.table, sensitivity);
+ levdatum = hashtab_search(&pol->p_levels.table, sensitivity);
if (!levdatum)
return -EINVAL;
context->range.level[l].sens = levdatum->level->sens;
@@ -312,7 +312,7 @@ int mls_context_to_sid(struct policydb *pol,
*rngptr++ = '\0';
}
- catdatum = hashtab_search(pol->p_cats.table, cur_cat);
+ catdatum = hashtab_search(&pol->p_cats.table, cur_cat);
if (!catdatum)
return -EINVAL;
@@ -325,7 +325,7 @@ int mls_context_to_sid(struct policydb *pol,
if (rngptr == NULL)
continue;
- rngdatum = hashtab_search(pol->p_cats.table, rngptr);
+ rngdatum = hashtab_search(&pol->p_cats.table, rngptr);
if (!rngdatum)
return -EINVAL;
@@ -458,7 +458,7 @@ int mls_convert_context(struct policydb *oldp,
return 0;
for (l = 0; l < 2; l++) {
- levdatum = hashtab_search(newp->p_levels.table,
+ levdatum = hashtab_search(&newp->p_levels.table,
sym_name(oldp, SYM_LEVELS,
oldc->range.level[l].sens - 1));
@@ -470,7 +470,7 @@ int mls_convert_context(struct policydb *oldp,
node, i) {
int rc;
- catdatum = hashtab_search(newp->p_cats.table,
+ catdatum = hashtab_search(&newp->p_cats.table,
sym_name(oldp, SYM_CATS, i));
if (!catdatum)
return -EINVAL;
@@ -506,7 +506,7 @@ int mls_compute_sid(struct policydb *p,
rtr.source_type = scontext->type;
rtr.target_type = tcontext->type;
rtr.target_class = tclass;
- r = hashtab_search(p->range_tr, &rtr);
+ r = hashtab_search(&p->range_tr, &rtr);
if (r)
return mls_range_set(newcontext, r);
@@ -536,7 +536,7 @@ int mls_compute_sid(struct policydb *p,
/* Fallthrough */
case AVTAB_CHANGE:
- if ((tclass == p->process_class) || (sock == true))
+ if ((tclass == p->process_class) || sock)
/* Use the process MLS attributes. */
return mls_context_cpy(newcontext, scontext);
else
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index 7954b1e60b64..15cacde0ff61 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -22,7 +22,10 @@
#ifndef _SS_MLS_H_
#define _SS_MLS_H_
+#include <linux/jhash.h>
+
#include "context.h"
+#include "ebitmap.h"
#include "policydb.h"
int mls_compute_context_len(struct policydb *p, struct context *context);
@@ -101,5 +104,13 @@ static inline int mls_import_netlbl_cat(struct policydb *p,
}
#endif
+static inline u32 mls_range_hash(const struct mls_range *r, u32 hash)
+{
+ hash = jhash_2words(r->level[0].sens, r->level[1].sens, hash);
+ hash = ebitmap_hash(&r->level[0].cat, hash);
+ hash = ebitmap_hash(&r->level[1].cat, hash);
+ return hash;
+}
+
#endif /* _SS_MLS_H */
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index c21b922e5ebe..98f343005d6b 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -154,6 +154,11 @@ static struct policydb_compat_info policydb_compat[] = {
.sym_num = SYM_NUM,
.ocon_num = OCON_NUM,
},
+ {
+ .version = POLICYDB_VERSION_COMP_FTRANS,
+ .sym_num = SYM_NUM,
+ .ocon_num = OCON_NUM,
+ },
};
static struct policydb_compat_info *policydb_lookup_compat(int version)
@@ -190,8 +195,8 @@ static int common_destroy(void *key, void *datum, void *p)
kfree(key);
if (datum) {
comdatum = datum;
- hashtab_map(comdatum->permissions.table, perm_destroy, NULL);
- hashtab_destroy(comdatum->permissions.table);
+ hashtab_map(&comdatum->permissions.table, perm_destroy, NULL);
+ hashtab_destroy(&comdatum->permissions.table);
}
kfree(datum);
return 0;
@@ -219,8 +224,8 @@ static int cls_destroy(void *key, void *datum, void *p)
kfree(key);
if (datum) {
cladatum = datum;
- hashtab_map(cladatum->permissions.table, perm_destroy, NULL);
- hashtab_destroy(cladatum->permissions.table);
+ hashtab_map(&cladatum->permissions.table, perm_destroy, NULL);
+ hashtab_destroy(&cladatum->permissions.table);
constraint = cladatum->constraints;
while (constraint) {
e = constraint->expr;
@@ -352,6 +357,13 @@ static int range_tr_destroy(void *key, void *datum, void *p)
return 0;
}
+static int role_tr_destroy(void *key, void *datum, void *p)
+{
+ kfree(key);
+ kfree(datum);
+ return 0;
+}
+
static void ocontext_destroy(struct ocontext *c, int i)
{
if (!c)
@@ -388,7 +400,7 @@ static int roles_init(struct policydb *p)
if (!key)
goto out;
- rc = hashtab_insert(p->p_roles.table, key, role);
+ rc = hashtab_insert(&p->p_roles.table, key, role);
if (rc)
goto out;
@@ -458,26 +470,43 @@ static int rangetr_cmp(struct hashtab *h, const void *k1, const void *k2)
return v;
}
+static u32 role_trans_hash(struct hashtab *h, const void *k)
+{
+ const struct role_trans_key *key = k;
+
+ return (key->role + (key->type << 3) + (key->tclass << 5)) &
+ (h->size - 1);
+}
+
+static int role_trans_cmp(struct hashtab *h, const void *k1, const void *k2)
+{
+ const struct role_trans_key *key1 = k1, *key2 = k2;
+ int v;
+
+ v = key1->role - key2->role;
+ if (v)
+ return v;
+
+ v = key1->type - key2->type;
+ if (v)
+ return v;
+
+ return key1->tclass - key2->tclass;
+}
+
/*
* Initialize a policy database structure.
*/
-static int policydb_init(struct policydb *p)
+static void policydb_init(struct policydb *p)
{
memset(p, 0, sizeof(*p));
avtab_init(&p->te_avtab);
cond_policydb_init(p);
- p->filename_trans = hashtab_create(filenametr_hash, filenametr_cmp,
- (1 << 11));
- if (!p->filename_trans)
- return -ENOMEM;
-
ebitmap_init(&p->filename_trans_ttypes);
ebitmap_init(&p->policycaps);
ebitmap_init(&p->permissive_map);
-
- return 0;
}
/*
@@ -639,7 +668,7 @@ static void symtab_hash_eval(struct symtab *s)
int i;
for (i = 0; i < SYM_NUM; i++)
- hash_eval(s[i].table, symtab_name[i]);
+ hash_eval(&s[i].table, symtab_name[i]);
}
#else
@@ -710,7 +739,7 @@ static int policydb_index(struct policydb *p)
if (!p->sym_val_to_name[i])
return -ENOMEM;
- rc = hashtab_map(p->symtab[i].table, index_f[i], p);
+ rc = hashtab_map(&p->symtab[i].table, index_f[i], p);
if (rc)
goto out;
}
@@ -728,12 +757,11 @@ void policydb_destroy(struct policydb *p)
struct genfs *g, *gtmp;
int i;
struct role_allow *ra, *lra = NULL;
- struct role_trans *tr, *ltr = NULL;
for (i = 0; i < SYM_NUM; i++) {
cond_resched();
- hashtab_map(p->symtab[i].table, destroy_f[i], NULL);
- hashtab_destroy(p->symtab[i].table);
+ hashtab_map(&p->symtab[i].table, destroy_f[i], NULL);
+ hashtab_destroy(&p->symtab[i].table);
}
for (i = 0; i < SYM_NUM; i++)
@@ -775,12 +803,8 @@ void policydb_destroy(struct policydb *p)
cond_policydb_destroy(p);
- for (tr = p->role_tr; tr; tr = tr->next) {
- cond_resched();
- kfree(ltr);
- ltr = tr;
- }
- kfree(ltr);
+ hashtab_map(&p->role_tr, role_tr_destroy, NULL);
+ hashtab_destroy(&p->role_tr);
for (ra = p->role_allow; ra; ra = ra->next) {
cond_resched();
@@ -789,11 +813,11 @@ void policydb_destroy(struct policydb *p)
}
kfree(lra);
- hashtab_map(p->filename_trans, filenametr_destroy, NULL);
- hashtab_destroy(p->filename_trans);
+ hashtab_map(&p->filename_trans, filenametr_destroy, NULL);
+ hashtab_destroy(&p->filename_trans);
- hashtab_map(p->range_tr, range_tr_destroy, NULL);
- hashtab_destroy(p->range_tr);
+ hashtab_map(&p->range_tr, range_tr_destroy, NULL);
+ hashtab_destroy(&p->range_tr);
if (p->type_attr_map_array) {
for (i = 0; i < p->p_types.nprim; i++)
@@ -836,11 +860,6 @@ int policydb_load_isids(struct policydb *p, struct sidtab *s)
if (!name)
continue;
- rc = context_add_hash(p, &c->context[0]);
- if (rc) {
- sidtab_destroy(s);
- goto out;
- }
rc = sidtab_set_initial(s, sid, &c->context[0]);
if (rc) {
pr_err("SELinux: unable to load initial SID %s.\n",
@@ -1109,7 +1128,7 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp)
goto bad;
for (i = 0; i < nel; i++) {
- rc = perm_read(p, comdatum->permissions.table, fp);
+ rc = perm_read(p, &comdatum->permissions.table, fp);
if (rc)
goto bad;
}
@@ -1281,7 +1300,8 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp)
goto bad;
rc = -EINVAL;
- cladatum->comdatum = hashtab_search(p->p_commons.table, cladatum->comkey);
+ cladatum->comdatum = hashtab_search(&p->p_commons.table,
+ cladatum->comkey);
if (!cladatum->comdatum) {
pr_err("SELinux: unknown common %s\n",
cladatum->comkey);
@@ -1289,7 +1309,7 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp)
}
}
for (i = 0; i < nel; i++) {
- rc = perm_read(p, cladatum->permissions.table, fp);
+ rc = perm_read(p, &cladatum->permissions.table, fp);
if (rc)
goto bad;
}
@@ -1712,18 +1732,15 @@ static int policydb_bounds_sanity_check(struct policydb *p)
if (p->policyvers < POLICYDB_VERSION_BOUNDARY)
return 0;
- rc = hashtab_map(p->p_users.table,
- user_bounds_sanity_check, p);
+ rc = hashtab_map(&p->p_users.table, user_bounds_sanity_check, p);
if (rc)
return rc;
- rc = hashtab_map(p->p_roles.table,
- role_bounds_sanity_check, p);
+ rc = hashtab_map(&p->p_roles.table, role_bounds_sanity_check, p);
if (rc)
return rc;
- rc = hashtab_map(p->p_types.table,
- type_bounds_sanity_check, p);
+ rc = hashtab_map(&p->p_types.table, type_bounds_sanity_check, p);
if (rc)
return rc;
@@ -1734,7 +1751,7 @@ u16 string_to_security_class(struct policydb *p, const char *name)
{
struct class_datum *cladatum;
- cladatum = hashtab_search(p->p_classes.table, name);
+ cladatum = hashtab_search(&p->p_classes.table, name);
if (!cladatum)
return 0;
@@ -1753,11 +1770,9 @@ u32 string_to_av_perm(struct policydb *p, u16 tclass, const char *name)
cladatum = p->class_val_to_struct[tclass-1];
comdatum = cladatum->comdatum;
if (comdatum)
- perdatum = hashtab_search(comdatum->permissions.table,
- name);
+ perdatum = hashtab_search(&comdatum->permissions.table, name);
if (!perdatum)
- perdatum = hashtab_search(cladatum->permissions.table,
- name);
+ perdatum = hashtab_search(&cladatum->permissions.table, name);
if (!perdatum)
return 0;
@@ -1781,9 +1796,9 @@ static int range_read(struct policydb *p, void *fp)
nel = le32_to_cpu(buf[0]);
- p->range_tr = hashtab_create(rangetr_hash, rangetr_cmp, nel);
- if (!p->range_tr)
- return -ENOMEM;
+ rc = hashtab_init(&p->range_tr, rangetr_hash, rangetr_cmp, nel);
+ if (rc)
+ return rc;
for (i = 0; i < nel; i++) {
rc = -ENOMEM;
@@ -1826,14 +1841,14 @@ static int range_read(struct policydb *p, void *fp)
goto out;
}
- rc = hashtab_insert(p->range_tr, rt, r);
+ rc = hashtab_insert(&p->range_tr, rt, r);
if (rc)
goto out;
rt = NULL;
r = NULL;
}
- hash_eval(p->range_tr, "rangetr");
+ hash_eval(&p->range_tr, "rangetr");
rc = 0;
out:
kfree(rt);
@@ -1841,7 +1856,7 @@ out:
return rc;
}
-static int filename_trans_read_one(struct policydb *p, void *fp)
+static int filename_trans_read_helper_compat(struct policydb *p, void *fp)
{
struct filename_trans_key key, *ft = NULL;
struct filename_trans_datum *last, *datum = NULL;
@@ -1873,7 +1888,7 @@ static int filename_trans_read_one(struct policydb *p, void *fp)
otype = le32_to_cpu(buf[3]);
last = NULL;
- datum = hashtab_search(p->filename_trans, &key);
+ datum = hashtab_search(&p->filename_trans, &key);
while (datum) {
if (unlikely(ebitmap_get_bit(&datum->stypes, stype - 1))) {
/* conflicting/duplicate rules are ignored */
@@ -1903,7 +1918,7 @@ static int filename_trans_read_one(struct policydb *p, void *fp)
if (!ft)
goto out;
- rc = hashtab_insert(p->filename_trans, ft, datum);
+ rc = hashtab_insert(&p->filename_trans, ft, datum);
if (rc)
goto out;
name = NULL;
@@ -1924,6 +1939,94 @@ out:
return rc;
}
+static int filename_trans_read_helper(struct policydb *p, void *fp)
+{
+ struct filename_trans_key *ft = NULL;
+ struct filename_trans_datum **dst, *datum, *first = NULL;
+ char *name = NULL;
+ u32 len, ttype, tclass, ndatum, i;
+ __le32 buf[3];
+ int rc;
+
+ /* length of the path component string */
+ rc = next_entry(buf, fp, sizeof(u32));
+ if (rc)
+ return rc;
+ len = le32_to_cpu(buf[0]);
+
+ /* path component string */
+ rc = str_read(&name, GFP_KERNEL, fp, len);
+ if (rc)
+ return rc;
+
+ rc = next_entry(buf, fp, sizeof(u32) * 3);
+ if (rc)
+ goto out;
+
+ ttype = le32_to_cpu(buf[0]);
+ tclass = le32_to_cpu(buf[1]);
+
+ ndatum = le32_to_cpu(buf[2]);
+ if (ndatum == 0) {
+ pr_err("SELinux: Filename transition key with no datum\n");
+ rc = -ENOENT;
+ goto out;
+ }
+
+ dst = &first;
+ for (i = 0; i < ndatum; i++) {
+ rc = -ENOMEM;
+ datum = kmalloc(sizeof(*datum), GFP_KERNEL);
+ if (!datum)
+ goto out;
+
+ *dst = datum;
+
+ /* ebitmap_read() will at least init the bitmap */
+ rc = ebitmap_read(&datum->stypes, fp);
+ if (rc)
+ goto out;
+
+ rc = next_entry(buf, fp, sizeof(u32));
+ if (rc)
+ goto out;
+
+ datum->otype = le32_to_cpu(buf[0]);
+ datum->next = NULL;
+
+ dst = &datum->next;
+ }
+
+ rc = -ENOMEM;
+ ft = kmalloc(sizeof(*ft), GFP_KERNEL);
+ if (!ft)
+ goto out;
+
+ ft->ttype = ttype;
+ ft->tclass = tclass;
+ ft->name = name;
+
+ rc = hashtab_insert(&p->filename_trans, ft, first);
+ if (rc == -EEXIST)
+ pr_err("SELinux: Duplicate filename transition key\n");
+ if (rc)
+ goto out;
+
+ return ebitmap_set_bit(&p->filename_trans_ttypes, ttype, 1);
+
+out:
+ kfree(ft);
+ kfree(name);
+ while (first) {
+ datum = first;
+ first = first->next;
+
+ ebitmap_destroy(&datum->stypes);
+ kfree(datum);
+ }
+ return rc;
+}
+
static int filename_trans_read(struct policydb *p, void *fp)
{
u32 nel;
@@ -1938,14 +2041,32 @@ static int filename_trans_read(struct policydb *p, void *fp)
return rc;
nel = le32_to_cpu(buf[0]);
- p->filename_trans_count = nel;
+ if (p->policyvers < POLICYDB_VERSION_COMP_FTRANS) {
+ p->compat_filename_trans_count = nel;
- for (i = 0; i < nel; i++) {
- rc = filename_trans_read_one(p, fp);
+ rc = hashtab_init(&p->filename_trans, filenametr_hash,
+ filenametr_cmp, (1 << 11));
if (rc)
return rc;
+
+ for (i = 0; i < nel; i++) {
+ rc = filename_trans_read_helper_compat(p, fp);
+ if (rc)
+ return rc;
+ }
+ } else {
+ rc = hashtab_init(&p->filename_trans, filenametr_hash,
+ filenametr_cmp, nel);
+ if (rc)
+ return rc;
+
+ for (i = 0; i < nel; i++) {
+ rc = filename_trans_read_helper(p, fp);
+ if (rc)
+ return rc;
+ }
}
- hash_eval(p->filename_trans, "filenametr");
+ hash_eval(&p->filename_trans, "filenametr");
return 0;
}
@@ -2251,7 +2372,8 @@ out:
int policydb_read(struct policydb *p, void *fp)
{
struct role_allow *ra, *lra;
- struct role_trans *tr, *ltr;
+ struct role_trans_key *rtk = NULL;
+ struct role_trans_datum *rtd = NULL;
int i, j, rc;
__le32 buf[4];
u32 len, nprim, nel;
@@ -2259,9 +2381,7 @@ int policydb_read(struct policydb *p, void *fp)
char *policydb_str;
struct policydb_compat_info *info;
- rc = policydb_init(p);
- if (rc)
- return rc;
+ policydb_init(p);
/* Read the magic number and string length. */
rc = next_entry(buf, fp, sizeof(u32) * 2);
@@ -2389,7 +2509,7 @@ int policydb_read(struct policydb *p, void *fp)
}
for (j = 0; j < nel; j++) {
- rc = read_f[i](p, p->symtab[i].table, fp);
+ rc = read_f[i](p, &p->symtab[i].table, fp);
if (rc)
goto bad;
}
@@ -2416,39 +2536,50 @@ int policydb_read(struct policydb *p, void *fp)
if (rc)
goto bad;
nel = le32_to_cpu(buf[0]);
- ltr = NULL;
+
+ rc = hashtab_init(&p->role_tr, role_trans_hash, role_trans_cmp, nel);
+ if (rc)
+ goto bad;
for (i = 0; i < nel; i++) {
rc = -ENOMEM;
- tr = kzalloc(sizeof(*tr), GFP_KERNEL);
- if (!tr)
+ rtk = kmalloc(sizeof(*rtk), GFP_KERNEL);
+ if (!rtk)
goto bad;
- if (ltr)
- ltr->next = tr;
- else
- p->role_tr = tr;
+
+ rc = -ENOMEM;
+ rtd = kmalloc(sizeof(*rtd), GFP_KERNEL);
+ if (!rtd)
+ goto bad;
+
rc = next_entry(buf, fp, sizeof(u32)*3);
if (rc)
goto bad;
rc = -EINVAL;
- tr->role = le32_to_cpu(buf[0]);
- tr->type = le32_to_cpu(buf[1]);
- tr->new_role = le32_to_cpu(buf[2]);
+ rtk->role = le32_to_cpu(buf[0]);
+ rtk->type = le32_to_cpu(buf[1]);
+ rtd->new_role = le32_to_cpu(buf[2]);
if (p->policyvers >= POLICYDB_VERSION_ROLETRANS) {
rc = next_entry(buf, fp, sizeof(u32));
if (rc)
goto bad;
- tr->tclass = le32_to_cpu(buf[0]);
+ rtk->tclass = le32_to_cpu(buf[0]);
} else
- tr->tclass = p->process_class;
+ rtk->tclass = p->process_class;
rc = -EINVAL;
- if (!policydb_role_isvalid(p, tr->role) ||
- !policydb_type_isvalid(p, tr->type) ||
- !policydb_class_isvalid(p, tr->tclass) ||
- !policydb_role_isvalid(p, tr->new_role))
+ if (!policydb_role_isvalid(p, rtk->role) ||
+ !policydb_type_isvalid(p, rtk->type) ||
+ !policydb_class_isvalid(p, rtk->tclass) ||
+ !policydb_role_isvalid(p, rtd->new_role))
goto bad;
- ltr = tr;
+
+ rc = hashtab_insert(&p->role_tr, rtk, rtd);
+ if (rc)
+ goto bad;
+
+ rtk = NULL;
+ rtd = NULL;
}
rc = next_entry(buf, fp, sizeof(u32));
@@ -2504,6 +2635,7 @@ int policydb_read(struct policydb *p, void *fp)
if (rc)
goto bad;
+ rc = -ENOMEM;
p->type_attr_map_array = kvcalloc(p->p_types.nprim,
sizeof(*p->type_attr_map_array),
GFP_KERNEL);
@@ -2536,6 +2668,8 @@ int policydb_read(struct policydb *p, void *fp)
out:
return rc;
bad:
+ kfree(rtk);
+ kfree(rtd);
policydb_destroy(p);
goto out;
}
@@ -2653,39 +2787,45 @@ static int cat_write(void *vkey, void *datum, void *ptr)
return 0;
}
-static int role_trans_write(struct policydb *p, void *fp)
+static int role_trans_write_one(void *key, void *datum, void *ptr)
{
- struct role_trans *r = p->role_tr;
- struct role_trans *tr;
+ struct role_trans_key *rtk = key;
+ struct role_trans_datum *rtd = datum;
+ struct policy_data *pd = ptr;
+ void *fp = pd->fp;
+ struct policydb *p = pd->p;
__le32 buf[3];
- size_t nel;
int rc;
- nel = 0;
- for (tr = r; tr; tr = tr->next)
- nel++;
- buf[0] = cpu_to_le32(nel);
- rc = put_entry(buf, sizeof(u32), 1, fp);
+ buf[0] = cpu_to_le32(rtk->role);
+ buf[1] = cpu_to_le32(rtk->type);
+ buf[2] = cpu_to_le32(rtd->new_role);
+ rc = put_entry(buf, sizeof(u32), 3, fp);
if (rc)
return rc;
- for (tr = r; tr; tr = tr->next) {
- buf[0] = cpu_to_le32(tr->role);
- buf[1] = cpu_to_le32(tr->type);
- buf[2] = cpu_to_le32(tr->new_role);
- rc = put_entry(buf, sizeof(u32), 3, fp);
+ if (p->policyvers >= POLICYDB_VERSION_ROLETRANS) {
+ buf[0] = cpu_to_le32(rtk->tclass);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
if (rc)
return rc;
- if (p->policyvers >= POLICYDB_VERSION_ROLETRANS) {
- buf[0] = cpu_to_le32(tr->tclass);
- rc = put_entry(buf, sizeof(u32), 1, fp);
- if (rc)
- return rc;
- }
}
-
return 0;
}
+static int role_trans_write(struct policydb *p, void *fp)
+{
+ struct policy_data pd = { .p = p, .fp = fp };
+ __le32 buf[1];
+ int rc;
+
+ buf[0] = cpu_to_le32(p->role_tr.nel);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+
+ return hashtab_map(&p->role_tr, role_trans_write_one, &pd);
+}
+
static int role_allow_write(struct role_allow *r, void *fp)
{
struct role_allow *ra;
@@ -2777,7 +2917,7 @@ static int common_write(void *vkey, void *datum, void *ptr)
buf[0] = cpu_to_le32(len);
buf[1] = cpu_to_le32(comdatum->value);
buf[2] = cpu_to_le32(comdatum->permissions.nprim);
- buf[3] = cpu_to_le32(comdatum->permissions.table->nel);
+ buf[3] = cpu_to_le32(comdatum->permissions.table.nel);
rc = put_entry(buf, sizeof(u32), 4, fp);
if (rc)
return rc;
@@ -2786,7 +2926,7 @@ static int common_write(void *vkey, void *datum, void *ptr)
if (rc)
return rc;
- rc = hashtab_map(comdatum->permissions.table, perm_write, fp);
+ rc = hashtab_map(&comdatum->permissions.table, perm_write, fp);
if (rc)
return rc;
@@ -2885,10 +3025,7 @@ static int class_write(void *vkey, void *datum, void *ptr)
buf[1] = cpu_to_le32(len2);
buf[2] = cpu_to_le32(cladatum->value);
buf[3] = cpu_to_le32(cladatum->permissions.nprim);
- if (cladatum->permissions.table)
- buf[4] = cpu_to_le32(cladatum->permissions.table->nel);
- else
- buf[4] = 0;
+ buf[4] = cpu_to_le32(cladatum->permissions.table.nel);
buf[5] = cpu_to_le32(ncons);
rc = put_entry(buf, sizeof(u32), 6, fp);
if (rc)
@@ -2904,7 +3041,7 @@ static int class_write(void *vkey, void *datum, void *ptr)
return rc;
}
- rc = hashtab_map(cladatum->permissions.table, perm_write, fp);
+ rc = hashtab_map(&cladatum->permissions.table, perm_write, fp);
if (rc)
return rc;
@@ -3262,14 +3399,6 @@ static int genfs_write(struct policydb *p, void *fp)
return 0;
}
-static int hashtab_cnt(void *key, void *data, void *ptr)
-{
- int *cnt = ptr;
- *cnt = *cnt + 1;
-
- return 0;
-}
-
static int range_write_helper(void *key, void *data, void *ptr)
{
__le32 buf[2];
@@ -3301,32 +3430,26 @@ static int range_write_helper(void *key, void *data, void *ptr)
static int range_write(struct policydb *p, void *fp)
{
__le32 buf[1];
- int rc, nel;
+ int rc;
struct policy_data pd;
pd.p = p;
pd.fp = fp;
- /* count the number of entries in the hashtab */
- nel = 0;
- rc = hashtab_map(p->range_tr, hashtab_cnt, &nel);
- if (rc)
- return rc;
-
- buf[0] = cpu_to_le32(nel);
+ buf[0] = cpu_to_le32(p->range_tr.nel);
rc = put_entry(buf, sizeof(u32), 1, fp);
if (rc)
return rc;
/* actually write all of the entries */
- rc = hashtab_map(p->range_tr, range_write_helper, &pd);
+ rc = hashtab_map(&p->range_tr, range_write_helper, &pd);
if (rc)
return rc;
return 0;
}
-static int filename_write_helper(void *key, void *data, void *ptr)
+static int filename_write_helper_compat(void *key, void *data, void *ptr)
{
struct filename_trans_key *ft = key;
struct filename_trans_datum *datum = data;
@@ -3363,26 +3486,82 @@ static int filename_write_helper(void *key, void *data, void *ptr)
return 0;
}
-static int filename_trans_write(struct policydb *p, void *fp)
+static int filename_write_helper(void *key, void *data, void *ptr)
{
- __le32 buf[1];
+ struct filename_trans_key *ft = key;
+ struct filename_trans_datum *datum;
+ void *fp = ptr;
+ __le32 buf[3];
int rc;
+ u32 ndatum, len = strlen(ft->name);
- if (p->policyvers < POLICYDB_VERSION_FILENAME_TRANS)
- return 0;
-
- buf[0] = cpu_to_le32(p->filename_trans_count);
+ buf[0] = cpu_to_le32(len);
rc = put_entry(buf, sizeof(u32), 1, fp);
if (rc)
return rc;
- rc = hashtab_map(p->filename_trans, filename_write_helper, fp);
+ rc = put_entry(ft->name, sizeof(char), len, fp);
if (rc)
return rc;
+ ndatum = 0;
+ datum = data;
+ do {
+ ndatum++;
+ datum = datum->next;
+ } while (unlikely(datum));
+
+ buf[0] = cpu_to_le32(ft->ttype);
+ buf[1] = cpu_to_le32(ft->tclass);
+ buf[2] = cpu_to_le32(ndatum);
+ rc = put_entry(buf, sizeof(u32), 3, fp);
+ if (rc)
+ return rc;
+
+ datum = data;
+ do {
+ rc = ebitmap_write(&datum->stypes, fp);
+ if (rc)
+ return rc;
+
+ buf[0] = cpu_to_le32(datum->otype);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+
+ datum = datum->next;
+ } while (unlikely(datum));
+
return 0;
}
+static int filename_trans_write(struct policydb *p, void *fp)
+{
+ __le32 buf[1];
+ int rc;
+
+ if (p->policyvers < POLICYDB_VERSION_FILENAME_TRANS)
+ return 0;
+
+ if (p->policyvers < POLICYDB_VERSION_COMP_FTRANS) {
+ buf[0] = cpu_to_le32(p->compat_filename_trans_count);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+
+ rc = hashtab_map(&p->filename_trans,
+ filename_write_helper_compat, fp);
+ } else {
+ buf[0] = cpu_to_le32(p->filename_trans.nel);
+ rc = put_entry(buf, sizeof(u32), 1, fp);
+ if (rc)
+ return rc;
+
+ rc = hashtab_map(&p->filename_trans, filename_write_helper, fp);
+ }
+ return rc;
+}
+
/*
* Write the configuration data in a policy database
* structure to a policy database binary representation
@@ -3467,12 +3646,12 @@ int policydb_write(struct policydb *p, void *fp)
pd.p = p;
buf[0] = cpu_to_le32(p->symtab[i].nprim);
- buf[1] = cpu_to_le32(p->symtab[i].table->nel);
+ buf[1] = cpu_to_le32(p->symtab[i].table.nel);
rc = put_entry(buf, sizeof(u32), 2, fp);
if (rc)
return rc;
- rc = hashtab_map(p->symtab[i].table, write_f[i], &pd);
+ rc = hashtab_map(&p->symtab[i].table, write_f[i], &pd);
if (rc)
return rc;
}
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index 72e2932fb12d..9591c9587cb6 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -81,12 +81,14 @@ struct role_datum {
struct ebitmap types; /* set of authorized types for role */
};
-struct role_trans {
+struct role_trans_key {
u32 role; /* current role */
u32 type; /* program executable type, or new object type */
u32 tclass; /* process class, or new object class */
+};
+
+struct role_trans_datum {
u32 new_role; /* new role */
- struct role_trans *next;
};
struct filename_trans_key {
@@ -261,14 +263,15 @@ struct policydb {
struct avtab te_avtab;
/* role transitions */
- struct role_trans *role_tr;
+ struct hashtab role_tr;
/* file transitions with the last path component */
/* quickly exclude lookups when parent ttype has no rules */
struct ebitmap filename_trans_ttypes;
/* actual set of filename_trans rules */
- struct hashtab *filename_trans;
- u32 filename_trans_count;
+ struct hashtab filename_trans;
+ /* only used if policyvers < POLICYDB_VERSION_COMP_FTRANS */
+ u32 compat_filename_trans_count;
/* bools indexed by (value - 1) */
struct cond_bool_datum **bool_val_to_struct;
@@ -291,7 +294,7 @@ struct policydb {
struct genfs *genfs;
/* range transitions table (range_trans_key -> mls_range) */
- struct hashtab *range_tr;
+ struct hashtab range_tr;
/* type -> attribute reverse mapping */
struct ebitmap *type_attr_map_array;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 8ad34fd031d1..313919bd42f8 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -482,11 +482,11 @@ static void security_dump_masked_av(struct policydb *policydb,
/* init permission_names */
if (common_dat &&
- hashtab_map(common_dat->permissions.table,
+ hashtab_map(&common_dat->permissions.table,
dump_masked_av_helper, permission_names) < 0)
goto out;
- if (hashtab_map(tclass_dat->permissions.table,
+ if (hashtab_map(&tclass_dat->permissions.table,
dump_masked_av_helper, permission_names) < 0)
goto out;
@@ -1441,7 +1441,7 @@ static int string_to_context_struct(struct policydb *pol,
*p++ = 0;
- usrdatum = hashtab_search(pol->p_users.table, scontextp);
+ usrdatum = hashtab_search(&pol->p_users.table, scontextp);
if (!usrdatum)
goto out;
@@ -1457,7 +1457,7 @@ static int string_to_context_struct(struct policydb *pol,
*p++ = 0;
- role = hashtab_search(pol->p_roles.table, scontextp);
+ role = hashtab_search(&pol->p_roles.table, scontextp);
if (!role)
goto out;
ctx->role = role->value;
@@ -1469,7 +1469,7 @@ static int string_to_context_struct(struct policydb *pol,
oldc = *p;
*p++ = 0;
- typdatum = hashtab_search(pol->p_types.table, scontextp);
+ typdatum = hashtab_search(&pol->p_types.table, scontextp);
if (!typdatum || typdatum->attribute)
goto out;
@@ -1490,42 +1490,6 @@ out:
return rc;
}
-int context_add_hash(struct policydb *policydb,
- struct context *context)
-{
- int rc;
- char *str;
- int len;
-
- if (context->str) {
- context->hash = context_compute_hash(context->str);
- } else {
- rc = context_struct_to_string(policydb, context,
- &str, &len);
- if (rc)
- return rc;
- context->hash = context_compute_hash(str);
- kfree(str);
- }
- return 0;
-}
-
-static int context_struct_to_sid(struct selinux_state *state,
- struct context *context, u32 *sid)
-{
- int rc;
- struct sidtab *sidtab = state->ss->sidtab;
- struct policydb *policydb = &state->ss->policydb;
-
- if (!context->hash) {
- rc = context_add_hash(policydb, context);
- if (rc)
- return rc;
- }
-
- return sidtab_context_to_sid(sidtab, context, sid);
-}
-
static int security_context_to_sid_core(struct selinux_state *state,
const char *scontext, u32 scontext_len,
u32 *sid, u32 def_sid, gfp_t gfp_flags,
@@ -1580,7 +1544,7 @@ static int security_context_to_sid_core(struct selinux_state *state,
str = NULL;
} else if (rc)
goto out_unlock;
- rc = context_struct_to_sid(state, &context, sid);
+ rc = sidtab_context_to_sid(sidtab, &context, sid);
context_destroy(&context);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
@@ -1707,7 +1671,7 @@ static void filename_compute_type(struct policydb *policydb,
ft.tclass = tclass;
ft.name = objname;
- datum = hashtab_search(policydb->filename_trans, &ft);
+ datum = hashtab_search(&policydb->filename_trans, &ft);
while (datum) {
if (ebitmap_get_bit(&datum->stypes, stype - 1)) {
newcontext->type = datum->otype;
@@ -1731,7 +1695,6 @@ static int security_compute_sid(struct selinux_state *state,
struct class_datum *cladatum = NULL;
struct context *scontext, *tcontext, newcontext;
struct sidtab_entry *sentry, *tentry;
- struct role_trans *roletr = NULL;
struct avtab_key avkey;
struct avtab_datum *avdatum;
struct avtab_node *node;
@@ -1812,7 +1775,7 @@ static int security_compute_sid(struct selinux_state *state,
} else if (cladatum && cladatum->default_role == DEFAULT_TARGET) {
newcontext.role = tcontext->role;
} else {
- if ((tclass == policydb->process_class) || (sock == true))
+ if ((tclass == policydb->process_class) || sock)
newcontext.role = scontext->role;
else
newcontext.role = OBJECT_R_VAL;
@@ -1824,7 +1787,7 @@ static int security_compute_sid(struct selinux_state *state,
} else if (cladatum && cladatum->default_type == DEFAULT_TARGET) {
newcontext.type = tcontext->type;
} else {
- if ((tclass == policydb->process_class) || (sock == true)) {
+ if ((tclass == policydb->process_class) || sock) {
/* Use the type of process. */
newcontext.type = scontext->type;
} else {
@@ -1864,16 +1827,16 @@ static int security_compute_sid(struct selinux_state *state,
/* Check for class-specific changes. */
if (specified & AVTAB_TRANSITION) {
/* Look for a role transition rule. */
- for (roletr = policydb->role_tr; roletr;
- roletr = roletr->next) {
- if ((roletr->role == scontext->role) &&
- (roletr->type == tcontext->type) &&
- (roletr->tclass == tclass)) {
- /* Use the role transition rule. */
- newcontext.role = roletr->new_role;
- break;
- }
- }
+ struct role_trans_datum *rtd;
+ struct role_trans_key rtk = {
+ .role = scontext->role,
+ .type = tcontext->type,
+ .tclass = tclass,
+ };
+
+ rtd = hashtab_search(&policydb->role_tr, &rtk);
+ if (rtd)
+ newcontext.role = rtd->new_role;
}
/* Set the MLS attributes.
@@ -1891,7 +1854,7 @@ static int security_compute_sid(struct selinux_state *state,
goto out_unlock;
}
/* Obtain the sid for the context. */
- rc = context_struct_to_sid(state, &newcontext, out_sid);
+ rc = sidtab_context_to_sid(sidtab, &newcontext, out_sid);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
context_destroy(&newcontext);
@@ -2043,7 +2006,6 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
context_init(newc);
newc->str = s;
newc->len = oldc->len;
- newc->hash = oldc->hash;
return 0;
}
kfree(s);
@@ -2062,7 +2024,7 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
/* Convert the user. */
rc = -EINVAL;
- usrdatum = hashtab_search(args->newp->p_users.table,
+ usrdatum = hashtab_search(&args->newp->p_users.table,
sym_name(args->oldp,
SYM_USERS, oldc->user - 1));
if (!usrdatum)
@@ -2071,7 +2033,7 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
/* Convert the role. */
rc = -EINVAL;
- role = hashtab_search(args->newp->p_roles.table,
+ role = hashtab_search(&args->newp->p_roles.table,
sym_name(args->oldp, SYM_ROLES, oldc->role - 1));
if (!role)
goto bad;
@@ -2079,7 +2041,7 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
/* Convert the type. */
rc = -EINVAL;
- typdatum = hashtab_search(args->newp->p_types.table,
+ typdatum = hashtab_search(&args->newp->p_types.table,
sym_name(args->oldp,
SYM_TYPES, oldc->type - 1));
if (!typdatum)
@@ -2120,10 +2082,6 @@ static int convert_context(struct context *oldc, struct context *newc, void *p)
goto bad;
}
- rc = context_add_hash(args->newp, newc);
- if (rc)
- goto bad;
-
return 0;
bad:
/* Map old representation to string and save it. */
@@ -2133,7 +2091,6 @@ bad:
context_destroy(newc);
newc->str = s;
newc->len = len;
- newc->hash = context_compute_hash(s);
pr_info("SELinux: Context %s became invalid (unmapped).\n",
newc->str);
return 0;
@@ -2350,12 +2307,14 @@ int security_port_sid(struct selinux_state *state,
u8 protocol, u16 port, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_PORT];
while (c) {
@@ -2368,7 +2327,7 @@ int security_port_sid(struct selinux_state *state,
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
@@ -2393,12 +2352,14 @@ int security_ib_pkey_sid(struct selinux_state *state,
u64 subnet_prefix, u16 pkey_num, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_IBPKEY];
while (c) {
@@ -2412,7 +2373,7 @@ int security_ib_pkey_sid(struct selinux_state *state,
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state,
+ rc = sidtab_context_to_sid(sidtab,
&c->context[0],
&c->sid[0]);
if (rc)
@@ -2437,12 +2398,14 @@ int security_ib_endport_sid(struct selinux_state *state,
const char *dev_name, u8 port_num, u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
struct ocontext *c;
int rc = 0;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_IBENDPORT];
while (c) {
@@ -2457,7 +2420,7 @@ int security_ib_endport_sid(struct selinux_state *state,
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
@@ -2480,12 +2443,14 @@ int security_netif_sid(struct selinux_state *state,
char *name, u32 *if_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_NETIF];
while (c) {
@@ -2496,11 +2461,11 @@ int security_netif_sid(struct selinux_state *state,
if (c) {
if (!c->sid[0] || !c->sid[1]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
- rc = context_struct_to_sid(state, &c->context[1],
+ rc = sidtab_context_to_sid(sidtab, &c->context[1],
&c->sid[1]);
if (rc)
goto out;
@@ -2541,12 +2506,14 @@ int security_node_sid(struct selinux_state *state,
u32 *out_sid)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc;
struct ocontext *c;
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
switch (domain) {
case AF_INET: {
@@ -2588,7 +2555,7 @@ int security_node_sid(struct selinux_state *state,
if (c) {
if (!c->sid[0]) {
- rc = context_struct_to_sid(state,
+ rc = sidtab_context_to_sid(sidtab,
&c->context[0],
&c->sid[0]);
if (rc)
@@ -2656,7 +2623,7 @@ int security_get_user_sids(struct selinux_state *state,
goto out_unlock;
rc = -EINVAL;
- user = hashtab_search(policydb->p_users.table, username);
+ user = hashtab_search(&policydb->p_users.table, username);
if (!user)
goto out_unlock;
@@ -2672,17 +2639,12 @@ int security_get_user_sids(struct selinux_state *state,
usercon.role = i + 1;
ebitmap_for_each_positive_bit(&role->types, tnode, j) {
usercon.type = j + 1;
- /*
- * The same context struct is reused here so the hash
- * must be reset.
- */
- usercon.hash = 0;
if (mls_setup_user_range(policydb, fromcon, user,
&usercon))
continue;
- rc = context_struct_to_sid(state, &usercon, &sid);
+ rc = sidtab_context_to_sid(sidtab, &usercon, &sid);
if (rc)
goto out_unlock;
if (mynel < maxnel) {
@@ -2753,6 +2715,7 @@ static inline int __security_genfs_sid(struct selinux_state *state,
u32 *sid)
{
struct policydb *policydb = &state->ss->policydb;
+ struct sidtab *sidtab = state->ss->sidtab;
int len;
u16 sclass;
struct genfs *genfs;
@@ -2787,7 +2750,7 @@ static inline int __security_genfs_sid(struct selinux_state *state,
goto out;
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0], &c->sid[0]);
+ rc = sidtab_context_to_sid(sidtab, &c->context[0], &c->sid[0]);
if (rc)
goto out;
}
@@ -2829,6 +2792,7 @@ int security_genfs_sid(struct selinux_state *state,
int security_fs_use(struct selinux_state *state, struct super_block *sb)
{
struct policydb *policydb;
+ struct sidtab *sidtab;
int rc = 0;
struct ocontext *c;
struct superblock_security_struct *sbsec = sb->s_security;
@@ -2837,6 +2801,7 @@ int security_fs_use(struct selinux_state *state, struct super_block *sb)
read_lock(&state->ss->policy_rwlock);
policydb = &state->ss->policydb;
+ sidtab = state->ss->sidtab;
c = policydb->ocontexts[OCON_FSUSE];
while (c) {
@@ -2848,7 +2813,7 @@ int security_fs_use(struct selinux_state *state, struct super_block *sb)
if (c) {
sbsec->behavior = c->v.behavior;
if (!c->sid[0]) {
- rc = context_struct_to_sid(state, &c->context[0],
+ rc = sidtab_context_to_sid(sidtab, &c->context[0],
&c->sid[0]);
if (rc)
goto out;
@@ -3010,7 +2975,7 @@ static int security_preserve_bools(struct selinux_state *state,
if (rc)
goto out;
for (i = 0; i < nbools; i++) {
- booldatum = hashtab_search(policydb->p_bools.table, bnames[i]);
+ booldatum = hashtab_search(&policydb->p_bools.table, bnames[i]);
if (booldatum)
booldatum->state = bvalues[i];
}
@@ -3096,7 +3061,7 @@ int security_sid_mls_copy(struct selinux_state *state,
goto out_unlock;
}
}
- rc = context_struct_to_sid(state, &newcon, new_sid);
+ rc = sidtab_context_to_sid(sidtab, &newcon, new_sid);
out_unlock:
read_unlock(&state->ss->policy_rwlock);
context_destroy(&newcon);
@@ -3224,8 +3189,8 @@ int security_get_classes(struct selinux_state *state,
if (!*classes)
goto out;
- rc = hashtab_map(policydb->p_classes.table, get_classes_callback,
- *classes);
+ rc = hashtab_map(&policydb->p_classes.table, get_classes_callback,
+ *classes);
if (rc) {
int i;
for (i = 0; i < *nclasses; i++)
@@ -3261,7 +3226,7 @@ int security_get_permissions(struct selinux_state *state,
read_lock(&state->ss->policy_rwlock);
rc = -EINVAL;
- match = hashtab_search(policydb->p_classes.table, class);
+ match = hashtab_search(&policydb->p_classes.table, class);
if (!match) {
pr_err("SELinux: %s: unrecognized class %s\n",
__func__, class);
@@ -3275,14 +3240,14 @@ int security_get_permissions(struct selinux_state *state,
goto out;
if (match->comdatum) {
- rc = hashtab_map(match->comdatum->permissions.table,
- get_permissions_callback, *perms);
+ rc = hashtab_map(&match->comdatum->permissions.table,
+ get_permissions_callback, *perms);
if (rc)
goto err;
}
- rc = hashtab_map(match->permissions.table, get_permissions_callback,
- *perms);
+ rc = hashtab_map(&match->permissions.table, get_permissions_callback,
+ *perms);
if (rc)
goto err;
@@ -3400,7 +3365,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule)
case AUDIT_SUBJ_USER:
case AUDIT_OBJ_USER:
rc = -EINVAL;
- userdatum = hashtab_search(policydb->p_users.table, rulestr);
+ userdatum = hashtab_search(&policydb->p_users.table, rulestr);
if (!userdatum)
goto out;
tmprule->au_ctxt.user = userdatum->value;
@@ -3408,7 +3373,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule)
case AUDIT_SUBJ_ROLE:
case AUDIT_OBJ_ROLE:
rc = -EINVAL;
- roledatum = hashtab_search(policydb->p_roles.table, rulestr);
+ roledatum = hashtab_search(&policydb->p_roles.table, rulestr);
if (!roledatum)
goto out;
tmprule->au_ctxt.role = roledatum->value;
@@ -3416,7 +3381,7 @@ int selinux_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule)
case AUDIT_SUBJ_TYPE:
case AUDIT_OBJ_TYPE:
rc = -EINVAL;
- typedatum = hashtab_search(policydb->p_types.table, rulestr);
+ typedatum = hashtab_search(&policydb->p_types.table, rulestr);
if (!typedatum)
goto out;
tmprule->au_ctxt.type = typedatum->value;
@@ -3689,7 +3654,7 @@ int security_netlbl_secattr_to_sid(struct selinux_state *state,
if (!mls_context_isvalid(policydb, &ctx_new))
goto out_free;
- rc = context_struct_to_sid(state, &ctx_new, sid);
+ rc = sidtab_context_to_sid(sidtab, &ctx_new, sid);
if (rc)
goto out_free;
diff --git a/security/selinux/ss/services.h b/security/selinux/ss/services.h
index e9bddf33e53d..a06f3d835216 100644
--- a/security/selinux/ss/services.h
+++ b/security/selinux/ss/services.h
@@ -8,7 +8,6 @@
#define _SS_SERVICES_H_
#include "policydb.h"
-#include "context.h"
/* Mapping for a single class */
struct selinux_mapping {
@@ -37,6 +36,4 @@ void services_compute_xperms_drivers(struct extended_perms *xperms,
void services_compute_xperms_decision(struct extended_perms_decision *xpermd,
struct avtab_node *node);
-int context_add_hash(struct policydb *policydb, struct context *context);
-
#endif /* _SS_SERVICES_H_ */
diff --git a/security/selinux/ss/sidtab.c b/security/selinux/ss/sidtab.c
index f511ffccb131..eb6d27b5aeb4 100644
--- a/security/selinux/ss/sidtab.c
+++ b/security/selinux/ss/sidtab.c
@@ -54,14 +54,15 @@ int sidtab_init(struct sidtab *s)
return 0;
}
-static u32 context_to_sid(struct sidtab *s, struct context *context)
+static u32 context_to_sid(struct sidtab *s, struct context *context, u32 hash)
{
struct sidtab_entry *entry;
u32 sid = 0;
rcu_read_lock();
- hash_for_each_possible_rcu(s->context_to_sid, entry, list,
- context->hash) {
+ hash_for_each_possible_rcu(s->context_to_sid, entry, list, hash) {
+ if (entry->hash != hash)
+ continue;
if (context_cmp(&entry->context, context)) {
sid = entry->sid;
break;
@@ -74,6 +75,7 @@ static u32 context_to_sid(struct sidtab *s, struct context *context)
int sidtab_set_initial(struct sidtab *s, u32 sid, struct context *context)
{
struct sidtab_isid_entry *isid;
+ u32 hash;
int rc;
if (sid == 0 || sid > SECINITSID_NUM)
@@ -90,15 +92,18 @@ int sidtab_set_initial(struct sidtab *s, u32 sid, struct context *context)
#endif
isid->set = 1;
+ hash = context_compute_hash(context);
+
/*
* Multiple initial sids may map to the same context. Check that this
* context is not already represented in the context_to_sid hashtable
* to avoid duplicate entries and long linked lists upon hash
* collision.
*/
- if (!context_to_sid(s, context)) {
+ if (!context_to_sid(s, context, hash)) {
isid->entry.sid = sid;
- hash_add(s->context_to_sid, &isid->entry.list, context->hash);
+ isid->entry.hash = hash;
+ hash_add(s->context_to_sid, &isid->entry.list, hash);
}
return 0;
@@ -259,12 +264,12 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
u32 *sid)
{
unsigned long flags;
- u32 count;
+ u32 count, hash = context_compute_hash(context);
struct sidtab_convert_params *convert;
struct sidtab_entry *dst, *dst_convert;
int rc;
- *sid = context_to_sid(s, context);
+ *sid = context_to_sid(s, context, hash);
if (*sid)
return 0;
@@ -272,12 +277,11 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
spin_lock_irqsave(&s->lock, flags);
rc = 0;
- *sid = context_to_sid(s, context);
+ *sid = context_to_sid(s, context, hash);
if (*sid)
goto out_unlock;
- /* read entries only after reading count */
- count = smp_load_acquire(&s->count);
+ count = s->count;
convert = s->convert;
/* bail out if we already reached max entries */
@@ -292,6 +296,7 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
goto out_unlock;
dst->sid = index_to_sid(count);
+ dst->hash = hash;
rc = context_cpy(&dst->context, context);
if (rc)
@@ -316,10 +321,11 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
goto out_unlock;
}
dst_convert->sid = index_to_sid(count);
+ dst_convert->hash = context_compute_hash(&dst_convert->context);
convert->target->count = count + 1;
hash_add_rcu(convert->target->context_to_sid,
- &dst_convert->list, dst_convert->context.hash);
+ &dst_convert->list, dst_convert->hash);
}
if (context->len)
@@ -330,7 +336,7 @@ int sidtab_context_to_sid(struct sidtab *s, struct context *context,
/* write entries before updating count */
smp_store_release(&s->count, count + 1);
- hash_add_rcu(s->context_to_sid, &dst->list, dst->context.hash);
+ hash_add_rcu(s->context_to_sid, &dst->list, dst->hash);
rc = 0;
out_unlock:
@@ -346,10 +352,9 @@ static void sidtab_convert_hashtable(struct sidtab *s, u32 count)
for (i = 0; i < count; i++) {
entry = sidtab_do_lookup(s, i, 0);
entry->sid = index_to_sid(i);
+ entry->hash = context_compute_hash(&entry->context);
- hash_add_rcu(s->context_to_sid, &entry->list,
- entry->context.hash);
-
+ hash_add_rcu(s->context_to_sid, &entry->list, entry->hash);
}
}
diff --git a/security/selinux/ss/sidtab.h b/security/selinux/ss/sidtab.h
index 3311d9f236c0..f2a84560b8b3 100644
--- a/security/selinux/ss/sidtab.h
+++ b/security/selinux/ss/sidtab.h
@@ -19,6 +19,7 @@
struct sidtab_entry {
u32 sid;
+ u32 hash;
struct context context;
#if CONFIG_SECURITY_SELINUX_SID2STR_CACHE_SIZE > 0
struct sidtab_str_cache __rcu *cache;
diff --git a/security/selinux/ss/symtab.c b/security/selinux/ss/symtab.c
index dc2ce94165d3..92d7a948070e 100644
--- a/security/selinux/ss/symtab.c
+++ b/security/selinux/ss/symtab.c
@@ -35,10 +35,7 @@ static int symcmp(struct hashtab *h, const void *key1, const void *key2)
int symtab_init(struct symtab *s, unsigned int size)
{
- s->table = hashtab_create(symhash, symcmp, size);
- if (!s->table)
- return -ENOMEM;
s->nprim = 0;
- return 0;
+ return hashtab_init(&s->table, symhash, symcmp, size);
}
diff --git a/security/selinux/ss/symtab.h b/security/selinux/ss/symtab.h
index d75fcafe7281..f145301b9d9f 100644
--- a/security/selinux/ss/symtab.h
+++ b/security/selinux/ss/symtab.h
@@ -13,7 +13,7 @@
#include "hashtab.h"
struct symtab {
- struct hashtab *table; /* hash table (keyed on a string) */
+ struct hashtab table; /* hash table (keyed on a string) */
u32 nprim; /* number of primary names in table */
};
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 1b467381986f..c16b8c1b03e7 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1025,7 +1025,7 @@ static bool tomoyo_select_domain(struct tomoyo_io_buffer *head,
if (domain)
head->r.domain = &domain->list;
else
- head->r.eof = 1;
+ head->r.eof = true;
tomoyo_io_printf(head, "# select %s\n", data);
if (domain && domain->is_deleted)
tomoyo_io_printf(head, "# This is a deleted domain.\n");
@@ -2662,8 +2662,6 @@ ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
if (!head->write)
return -EINVAL;
- if (!access_ok(buffer, buffer_len))
- return -EFAULT;
if (mutex_lock_interruptible(&head->io_sem))
return -EINTR;
head->read_user_buf_avail = 0;
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index 94dc346370b1..536c99646f6a 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -430,7 +430,7 @@ static struct security_hook_list yama_hooks[] __lsm_ro_after_init = {
#ifdef CONFIG_SYSCTL
static int yama_dointvec_minmax(struct ctl_table *table, int write,
- void __user *buffer, size_t *lenp, loff_t *ppos)
+ void *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table table_copy;
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index b412d3b3d5ff..21edb8ac95eb 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -216,12 +216,12 @@ static int snd_hwdep_dsp_load(struct snd_hwdep *hw,
if (info.index >= 32)
return -EINVAL;
/* check whether the dsp was already loaded */
- if (hw->dsp_loaded & (1 << info.index))
+ if (hw->dsp_loaded & (1u << info.index))
return -EBUSY;
err = hw->ops.dsp_load(hw, &info);
if (err < 0)
return err;
- hw->dsp_loaded |= (1 << info.index);
+ hw->dsp_loaded |= (1u << info.index);
return 0;
}
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index a83553fbedf0..bea46ed157a6 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -143,7 +143,7 @@ int snd_dma_alloc_pages(int type, struct device *device, size_t size,
break;
case SNDRV_DMA_TYPE_VMALLOC:
gfp = snd_mem_get_gfp_flags(device, GFP_KERNEL | __GFP_HIGHMEM);
- dmab->area = __vmalloc(size, gfp, PAGE_KERNEL);
+ dmab->area = __vmalloc(size, gfp);
dmab->addr = 0;
break;
#ifdef CONFIG_HAS_DMA
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 59d62f05658f..1545f8fdb4db 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -205,13 +205,14 @@ static snd_pcm_sframes_t calc_dst_frames(struct snd_pcm_substream *plug,
plugin = snd_pcm_plug_first(plug);
while (plugin && frames > 0) {
plugin_next = plugin->next;
+ if (check_size && plugin->buf_frames &&
+ frames > plugin->buf_frames)
+ frames = plugin->buf_frames;
if (plugin->dst_frames) {
frames = plugin->dst_frames(plugin, frames);
if (frames < 0)
return frames;
}
- if (check_size && frames > plugin->buf_frames)
- frames = plugin->buf_frames;
plugin = plugin_next;
}
return frames;
@@ -225,14 +226,15 @@ static snd_pcm_sframes_t calc_src_frames(struct snd_pcm_substream *plug,
plugin = snd_pcm_plug_last(plug);
while (plugin && frames > 0) {
- if (check_size && frames > plugin->buf_frames)
- frames = plugin->buf_frames;
plugin_prev = plugin->prev;
if (plugin->src_frames) {
frames = plugin->src_frames(plugin, frames);
if (frames < 0)
return frames;
}
+ if (check_size && plugin->buf_frames &&
+ frames > plugin->buf_frames)
+ frames = plugin->buf_frames;
plugin = plugin_prev;
}
return frames;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 872a852de75c..d531e1bc2b81 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -433,6 +433,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream,
no_delta_check:
if (runtime->status->hw_ptr == new_hw_ptr) {
+ runtime->hw_ptr_jiffies = curr_jiffies;
update_audio_tstamp(substream, &curr_tstamp, &audio_tstamp);
return 0;
}
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index fcab37ea6641..860935e3aea4 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -460,7 +460,7 @@ int _snd_pcm_lib_alloc_vmalloc_buffer(struct snd_pcm_substream *substream,
return 0; /* already large enough */
vfree(runtime->dma_area);
}
- runtime->dma_area = __vmalloc(size, gfp_flags, PAGE_KERNEL);
+ runtime->dma_area = __vmalloc(size, gfp_flags);
if (!runtime->dma_area)
return -ENOMEM;
runtime->dma_bytes = size;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index aef860256278..47838f57a647 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3093,7 +3093,8 @@ static int snd_pcm_xferi_frames_ioctl(struct snd_pcm_substream *substream,
result = snd_pcm_lib_write(substream, xferi.buf, xferi.frames);
else
result = snd_pcm_lib_read(substream, xferi.buf, xferi.frames);
- __put_user(result, &_xferi->result);
+ if (put_user(result, &_xferi->result))
+ return -EFAULT;
return result < 0 ? result : 0;
}
@@ -3122,7 +3123,8 @@ static int snd_pcm_xfern_frames_ioctl(struct snd_pcm_substream *substream,
else
result = snd_pcm_lib_readv(substream, bufs, xfern.frames);
kfree(bufs);
- __put_user(result, &_xfern->result);
+ if (put_user(result, &_xfern->result))
+ return -EFAULT;
return result < 0 ? result : 0;
}
@@ -3137,7 +3139,8 @@ static int snd_pcm_rewind_ioctl(struct snd_pcm_substream *substream,
if (put_user(0, _frames))
return -EFAULT;
result = snd_pcm_rewind(substream, frames);
- __put_user(result, _frames);
+ if (put_user(result, _frames))
+ return -EFAULT;
return result < 0 ? result : 0;
}
@@ -3152,7 +3155,8 @@ static int snd_pcm_forward_ioctl(struct snd_pcm_substream *substream,
if (put_user(0, _frames))
return -EFAULT;
result = snd_pcm_forward(substream, frames);
- __put_user(result, _frames);
+ if (put_user(result, _frames))
+ return -EFAULT;
return result < 0 ? result : 0;
}
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 20dd08e1f675..2a688b711a9a 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -120,6 +120,17 @@ static void snd_rawmidi_input_event_work(struct work_struct *work)
runtime->event(runtime->substream);
}
+/* buffer refcount management: call with runtime->lock held */
+static inline void snd_rawmidi_buffer_ref(struct snd_rawmidi_runtime *runtime)
+{
+ runtime->buffer_ref++;
+}
+
+static inline void snd_rawmidi_buffer_unref(struct snd_rawmidi_runtime *runtime)
+{
+ runtime->buffer_ref--;
+}
+
static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream)
{
struct snd_rawmidi_runtime *runtime;
@@ -669,6 +680,11 @@ static int resize_runtime_buffer(struct snd_rawmidi_runtime *runtime,
if (!newbuf)
return -ENOMEM;
spin_lock_irq(&runtime->lock);
+ if (runtime->buffer_ref) {
+ spin_unlock_irq(&runtime->lock);
+ kvfree(newbuf);
+ return -EBUSY;
+ }
oldbuf = runtime->buffer;
runtime->buffer = newbuf;
runtime->buffer_size = params->buffer_size;
@@ -1019,8 +1035,10 @@ static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream,
long result = 0, count1;
struct snd_rawmidi_runtime *runtime = substream->runtime;
unsigned long appl_ptr;
+ int err = 0;
spin_lock_irqsave(&runtime->lock, flags);
+ snd_rawmidi_buffer_ref(runtime);
while (count > 0 && runtime->avail) {
count1 = runtime->buffer_size - runtime->appl_ptr;
if (count1 > count)
@@ -1039,16 +1057,19 @@ static long snd_rawmidi_kernel_read1(struct snd_rawmidi_substream *substream,
if (userbuf) {
spin_unlock_irqrestore(&runtime->lock, flags);
if (copy_to_user(userbuf + result,
- runtime->buffer + appl_ptr, count1)) {
- return result > 0 ? result : -EFAULT;
- }
+ runtime->buffer + appl_ptr, count1))
+ err = -EFAULT;
spin_lock_irqsave(&runtime->lock, flags);
+ if (err)
+ goto out;
}
result += count1;
count -= count1;
}
+ out:
+ snd_rawmidi_buffer_unref(runtime);
spin_unlock_irqrestore(&runtime->lock, flags);
- return result;
+ return result > 0 ? result : err;
}
long snd_rawmidi_kernel_read(struct snd_rawmidi_substream *substream,
@@ -1342,6 +1363,7 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
return -EAGAIN;
}
}
+ snd_rawmidi_buffer_ref(runtime);
while (count > 0 && runtime->avail > 0) {
count1 = runtime->buffer_size - runtime->appl_ptr;
if (count1 > count)
@@ -1373,6 +1395,7 @@ static long snd_rawmidi_kernel_write1(struct snd_rawmidi_substream *substream,
}
__end:
count1 = runtime->avail < runtime->buffer_size;
+ snd_rawmidi_buffer_unref(runtime);
spin_unlock_irqrestore(&runtime->lock, flags);
if (count1)
snd_rawmidi_output_trigger(substream, 1);
diff --git a/sound/firewire/amdtp-stream-trace.h b/sound/firewire/amdtp-stream-trace.h
index 16c7f6605511..26e7cb555d3c 100644
--- a/sound/firewire/amdtp-stream-trace.h
+++ b/sound/firewire/amdtp-stream-trace.h
@@ -66,8 +66,7 @@ TRACE_EVENT(amdtp_packet,
__entry->irq,
__entry->index,
__print_array(__get_dynamic_array(cip_header),
- __get_dynamic_array_len(cip_header),
- sizeof(u8)))
+ __get_dynamic_array_len(cip_header), 1))
);
#endif
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index e764816a8f7a..b039429e6871 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -867,10 +867,13 @@ static void snd_miro_write(struct snd_miro *chip, unsigned char reg,
spin_unlock_irqrestore(&chip->lock, flags);
}
+static inline void snd_miro_write_mask(struct snd_miro *chip,
+ unsigned char reg, unsigned char value, unsigned char mask)
+{
+ unsigned char oldval = snd_miro_read(chip, reg);
-#define snd_miro_write_mask(chip, reg, value, mask) \
- snd_miro_write(chip, reg, \
- (snd_miro_read(chip, reg) & ~(mask)) | ((value) & (mask)))
+ snd_miro_write(chip, reg, (oldval & ~mask) | (value & mask));
+}
/*
* Proc Interface
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index d06b29693c85..0e6d20e49158 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -317,10 +317,13 @@ static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
}
-#define snd_opti9xx_write_mask(chip, reg, value, mask) \
- snd_opti9xx_write(chip, reg, \
- (snd_opti9xx_read(chip, reg) & ~(mask)) | ((value) & (mask)))
+static inline void snd_opti9xx_write_mask(struct snd_opti9xx *chip,
+ unsigned char reg, unsigned char value, unsigned char mask)
+{
+ unsigned char oldval = snd_opti9xx_read(chip, reg);
+ snd_opti9xx_write(chip, reg, (oldval & ~mask) | (value & mask));
+}
static int snd_opti9xx_configure(struct snd_opti9xx *chip,
long port,
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 86a632bf4d50..7e3ae4534df9 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -641,8 +641,18 @@ static void hda_jackpoll_work(struct work_struct *work)
struct hda_codec *codec =
container_of(work, struct hda_codec, jackpoll_work.work);
- snd_hda_jack_set_dirty_all(codec);
- snd_hda_jack_poll_all(codec);
+ /* for non-polling trigger: we need nothing if already powered on */
+ if (!codec->jackpoll_interval && snd_hdac_is_power_on(&codec->core))
+ return;
+
+ /* the power-up/down sequence triggers the runtime resume */
+ snd_hda_power_up_pm(codec);
+ /* update jacks manually if polling is required, too */
+ if (codec->jackpoll_interval) {
+ snd_hda_jack_set_dirty_all(codec);
+ snd_hda_jack_poll_all(codec);
+ }
+ snd_hda_power_down_pm(codec);
if (!codec->jackpoll_interval)
return;
@@ -2951,18 +2961,14 @@ static int hda_codec_runtime_resume(struct device *dev)
static int hda_codec_force_resume(struct device *dev)
{
struct hda_codec *codec = dev_to_hda_codec(dev);
- bool forced_resume = hda_codec_need_resume(codec);
int ret;
- /* The get/put pair below enforces the runtime resume even if the
- * device hasn't been used at suspend time. This trick is needed to
- * update the jack state change during the sleep.
- */
- if (forced_resume)
- pm_runtime_get_noresume(dev);
ret = pm_runtime_force_resume(dev);
- if (forced_resume)
- pm_runtime_put(dev);
+ /* schedule jackpoll work for jack detection update */
+ if (codec->jackpoll_interval ||
+ (pm_runtime_suspended(dev) && hda_codec_need_resume(codec)))
+ schedule_delayed_work(&codec->jackpoll_work,
+ codec->jackpoll_interval);
return ret;
}
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index a5fab12defde..0310193ea1bd 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1004,7 +1004,8 @@ static void __azx_runtime_resume(struct azx *chip, bool from_rt)
if (status && from_rt) {
list_for_each_codec(codec, &chip->bus)
- if (status & (1 << codec->addr))
+ if (!codec->relaxed_resume &&
+ (status & (1 << codec->addr)))
schedule_delayed_work(&codec->jackpoll_work,
codec->jackpoll_interval);
}
@@ -1044,9 +1045,7 @@ static int azx_suspend(struct device *dev)
static int azx_resume(struct device *dev)
{
struct snd_card *card = dev_get_drvdata(dev);
- struct hda_codec *codec;
struct azx *chip;
- bool forced_resume = false;
if (!azx_is_pm_ready(card))
return 0;
@@ -1058,19 +1057,7 @@ static int azx_resume(struct device *dev)
if (azx_acquire_irq(chip, 1) < 0)
return -EIO;
- /* check for the forced resume */
- list_for_each_codec(codec, &chip->bus) {
- if (hda_codec_need_resume(codec)) {
- forced_resume = true;
- break;
- }
- }
-
- if (forced_resume)
- pm_runtime_get_noresume(dev);
pm_runtime_force_resume(dev);
- if (forced_resume)
- pm_runtime_put(dev);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
trace_azx_resume(chip);
@@ -2091,10 +2078,10 @@ static void pcm_mmap_prepare(struct snd_pcm_substream *substream,
* some HD-audio PCI entries are exposed without any codecs, and such devices
* should be ignored from the beginning.
*/
-static const struct snd_pci_quirk driver_blacklist[] = {
- SND_PCI_QUIRK(0x1043, 0x874f, "ASUS ROG Zenith II / Strix", 0),
- SND_PCI_QUIRK(0x1462, 0xcb59, "MSI TRX40 Creator", 0),
- SND_PCI_QUIRK(0x1462, 0xcb60, "MSI TRX40", 0),
+static const struct pci_device_id driver_blacklist[] = {
+ { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1043, 0x874f) }, /* ASUS ROG Zenith II / Strix */
+ { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb59) }, /* MSI TRX40 Creator */
+ { PCI_DEVICE_SUB(0x1022, 0x1487, 0x1462, 0xcb60) }, /* MSI TRX40 */
{}
};
@@ -2114,7 +2101,7 @@ static int azx_probe(struct pci_dev *pci,
bool schedule_probe;
int err;
- if (snd_pci_quirk_lookup(pci, driver_blacklist)) {
+ if (pci_match_id(driver_blacklist, pci)) {
dev_info(&pci->dev, "Skipping the blacklisted device\n");
return -ENODEV;
}
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index bb287a916dae..93760a3564cf 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -38,6 +38,10 @@ static bool static_hdmi_pcm;
module_param(static_hdmi_pcm, bool, 0644);
MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
+static bool enable_acomp = true;
+module_param(enable_acomp, bool, 0444);
+MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)");
+
struct hdmi_spec_per_cvt {
hda_nid_t cvt_nid;
int assigned;
@@ -1844,8 +1848,10 @@ static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
- if (WARN_ON(spdif == NULL))
+ if (WARN_ON(spdif == NULL)) {
+ mutex_unlock(&codec->spdif_mutex);
return true;
+ }
non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
mutex_unlock(&codec->spdif_mutex);
return non_pcm;
@@ -2194,7 +2200,9 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
+ struct hdmi_eld *pin_eld = &per_pin->sink_eld;
+ pin_eld->eld_valid = false;
hdmi_present_sense(per_pin, 0);
}
@@ -2505,6 +2513,11 @@ static void generic_acomp_init(struct hda_codec *codec,
{
struct hdmi_spec *spec = codec->spec;
+ if (!enable_acomp) {
+ codec_info(codec, "audio component disabled by module option\n");
+ return;
+ }
+
spec->port2pin = port2pin;
setup_drm_audio_ops(codec, ops);
if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops,
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index dc5557d79c43..e62d58872b6e 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -377,12 +377,14 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
case 0x10ec0233:
case 0x10ec0235:
case 0x10ec0236:
+ case 0x10ec0245:
case 0x10ec0255:
case 0x10ec0256:
case 0x10ec0257:
case 0x10ec0282:
case 0x10ec0283:
case 0x10ec0286:
+ case 0x10ec0287:
case 0x10ec0288:
case 0x10ec0285:
case 0x10ec0298:
@@ -797,9 +799,11 @@ static void alc_ssid_check(struct hda_codec *codec, const hda_nid_t *ports)
{
if (!alc_subsystem_id(codec, ports)) {
struct alc_spec *spec = codec->spec;
- codec_dbg(codec,
- "realtek: Enable default setup for auto mode as fallback\n");
- spec->init_amp = ALC_INIT_DEFAULT;
+ if (spec->init_amp == ALC_INIT_UNDEFINED) {
+ codec_dbg(codec,
+ "realtek: Enable default setup for auto mode as fallback\n");
+ spec->init_amp = ALC_INIT_DEFAULT;
+ }
}
}
@@ -2454,6 +2458,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE),
SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS),
SND_PCI_QUIRK(0x1458, 0xa0cd, "Gigabyte X570 Aorus Master", ALC1220_FIXUP_CLEVO_P950),
+ SND_PCI_QUIRK(0x1458, 0xa0ce, "Gigabyte X570 Aorus Xtreme", ALC1220_FIXUP_CLEVO_P950),
SND_PCI_QUIRK(0x1462, 0x1228, "MSI-GP63", ALC1220_FIXUP_CLEVO_P950),
SND_PCI_QUIRK(0x1462, 0x1275, "MSI-GL63", ALC1220_FIXUP_CLEVO_P950),
SND_PCI_QUIRK(0x1462, 0x1276, "MSI-GL73", ALC1220_FIXUP_CLEVO_P950),
@@ -2469,6 +2474,9 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = {
SND_PCI_QUIRK(0x1558, 0x97e1, "Clevo P970[ER][CDFN]", ALC1220_FIXUP_CLEVO_P950),
SND_PCI_QUIRK(0x1558, 0x65d1, "Clevo PB51[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x50d3, "Clevo PC50[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x70d1, "Clevo PC70[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
+ SND_PCI_QUIRK(0x1558, 0x7714, "Clevo X170", ALC1220_FIXUP_CLEVO_PB51ED_PINS),
SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD),
SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD),
SND_PCI_QUIRK(0x17aa, 0x3a0d, "Lenovo Y530", ALC882_FIXUP_LENOVO_Y530),
@@ -5477,18 +5485,9 @@ static void alc_fixup_tpt470_dock(struct hda_codec *codec,
{ 0x19, 0x21a11010 }, /* dock mic */
{ }
};
- /* Assure the speaker pin to be coupled with DAC NID 0x03; otherwise
- * the speaker output becomes too low by some reason on Thinkpads with
- * ALC298 codec
- */
- static const hda_nid_t preferred_pairs[] = {
- 0x14, 0x03, 0x17, 0x02, 0x21, 0x02,
- 0
- };
struct alc_spec *spec = codec->spec;
if (action == HDA_FIXUP_ACT_PRE_PROBE) {
- spec->gen.preferred_dacs = preferred_pairs;
spec->parse_flags = HDA_PINCFG_NO_HP_FIXUP;
snd_hda_apply_pincfgs(codec, pincfgs);
} else if (action == HDA_FIXUP_ACT_INIT) {
@@ -5501,6 +5500,23 @@ static void alc_fixup_tpt470_dock(struct hda_codec *codec,
}
}
+static void alc_fixup_tpt470_dacs(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ /* Assure the speaker pin to be coupled with DAC NID 0x03; otherwise
+ * the speaker output becomes too low by some reason on Thinkpads with
+ * ALC298 codec
+ */
+ static const hda_nid_t preferred_pairs[] = {
+ 0x14, 0x03, 0x17, 0x02, 0x21, 0x02,
+ 0
+ };
+ struct alc_spec *spec = codec->spec;
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE)
+ spec->gen.preferred_dacs = preferred_pairs;
+}
+
static void alc_shutup_dell_xps13(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
@@ -5853,6 +5869,15 @@ static void alc233_alc662_fixup_lenovo_dual_codecs(struct hda_codec *codec,
}
}
+static void alc225_fixup_s3_pop_noise(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ if (action != HDA_FIXUP_ACT_PRE_PROBE)
+ return;
+
+ codec->power_save_node = 1;
+}
+
/* Forcibly assign NID 0x03 to HP/LO while NID 0x02 to SPK for EQ */
static void alc274_fixup_bind_dacs(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
@@ -5957,6 +5982,7 @@ enum {
ALC269_FIXUP_HP_LINE1_MIC1_LED,
ALC269_FIXUP_INV_DMIC,
ALC269_FIXUP_LENOVO_DOCK,
+ ALC269_FIXUP_LENOVO_DOCK_LIMIT_BOOST,
ALC269_FIXUP_NO_SHUTUP,
ALC286_FIXUP_SONY_MIC_NO_PRESENCE,
ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT,
@@ -6042,9 +6068,11 @@ enum {
ALC233_FIXUP_ACER_HEADSET_MIC,
ALC294_FIXUP_LENOVO_MIC_LOCATION,
ALC225_FIXUP_DELL_WYSE_MIC_NO_PRESENCE,
+ ALC225_FIXUP_S3_POP_NOISE,
ALC700_FIXUP_INTEL_REFERENCE,
ALC274_FIXUP_DELL_BIND_DACS,
ALC274_FIXUP_DELL_AIO_LINEOUT_VERB,
+ ALC298_FIXUP_TPT470_DOCK_FIX,
ALC298_FIXUP_TPT470_DOCK,
ALC255_FIXUP_DUMMY_LINEOUT_VERB,
ALC255_FIXUP_DELL_HEADSET_MIC,
@@ -6077,9 +6105,12 @@ enum {
ALC294_FIXUP_ASUS_DUAL_SPK,
ALC285_FIXUP_THINKPAD_HEADSET_JACK,
ALC294_FIXUP_ASUS_HPE,
+ ALC294_FIXUP_ASUS_COEF_1B,
ALC285_FIXUP_HP_GPIO_LED,
ALC285_FIXUP_HP_MUTE_LED,
ALC236_FIXUP_HP_MUTE_LED,
+ ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET,
+ ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
};
static const struct hda_fixup alc269_fixups[] = {
@@ -6277,6 +6308,12 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT
},
+ [ALC269_FIXUP_LENOVO_DOCK_LIMIT_BOOST] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc269_fixup_limit_int_mic_boost,
+ .chained = true,
+ .chain_id = ALC269_FIXUP_LENOVO_DOCK,
+ },
[ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc269_fixup_pincfg_no_hp_to_lineout,
@@ -6929,6 +6966,12 @@ static const struct hda_fixup alc269_fixups[] = {
{ }
},
.chained = true,
+ .chain_id = ALC225_FIXUP_S3_POP_NOISE
+ },
+ [ALC225_FIXUP_S3_POP_NOISE] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc225_fixup_s3_pop_noise,
+ .chained = true,
.chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC
},
[ALC700_FIXUP_INTEL_REFERENCE] = {
@@ -6961,12 +7004,18 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC274_FIXUP_DELL_BIND_DACS
},
- [ALC298_FIXUP_TPT470_DOCK] = {
+ [ALC298_FIXUP_TPT470_DOCK_FIX] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_tpt470_dock,
.chained = true,
.chain_id = ALC293_FIXUP_LENOVO_SPK_NOISE
},
+ [ALC298_FIXUP_TPT470_DOCK] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_tpt470_dacs,
+ .chained = true,
+ .chain_id = ALC298_FIXUP_TPT470_DOCK_FIX
+ },
[ALC255_FIXUP_DUMMY_LINEOUT_VERB] = {
.type = HDA_FIXUP_PINS,
.v.pins = (const struct hda_pintbl[]) {
@@ -7201,6 +7250,17 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC294_FIXUP_ASUS_HEADSET_MIC
},
+ [ALC294_FIXUP_ASUS_COEF_1B] = {
+ .type = HDA_FIXUP_VERBS,
+ .v.verbs = (const struct hda_verb[]) {
+ /* Set bit 10 to correct noisy output after reboot from
+ * Windows 10 (due to pop noise reduction?)
+ */
+ { 0x20, AC_VERB_SET_COEF_INDEX, 0x1b },
+ { 0x20, AC_VERB_SET_PROC_COEF, 0x4e4b },
+ { }
+ },
+ },
[ALC285_FIXUP_HP_GPIO_LED] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc285_fixup_hp_gpio_led,
@@ -7213,6 +7273,22 @@ static const struct hda_fixup alc269_fixups[] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc236_fixup_hp_mute_led,
},
+ [ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET] = {
+ .type = HDA_FIXUP_VERBS,
+ .v.verbs = (const struct hda_verb[]) {
+ { 0x1a, AC_VERB_SET_PIN_WIDGET_CONTROL, 0xc5 },
+ { }
+ },
+ },
+ [ALC295_FIXUP_ASUS_MIC_NO_PRESENCE] = {
+ .type = HDA_FIXUP_PINS,
+ .v.pins = (const struct hda_pintbl[]) {
+ { 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */
+ { }
+ },
+ .chained = true,
+ .chain_id = ALC269_FIXUP_HEADSET_MODE
+ },
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -7380,8 +7456,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1043, 0x18b1, "Asus MJ401TA", ALC256_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x18f1, "Asus FX505DT", ALC256_FIXUP_ASUS_HEADSET_MIC),
SND_PCI_QUIRK(0x1043, 0x19ce, "ASUS B9450FA", ALC294_FIXUP_ASUS_HPE),
+ SND_PCI_QUIRK(0x1043, 0x19e1, "ASUS UX581LV", ALC295_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW),
SND_PCI_QUIRK(0x1043, 0x1a30, "ASUS X705UD", ALC256_FIXUP_ASUS_MIC),
+ SND_PCI_QUIRK(0x1043, 0x1b11, "ASUS UX431DA", ALC294_FIXUP_ASUS_COEF_1B),
SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1043, 0x1bbd, "ASUS Z550MA", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1043, 0x1c23, "Asus X55U", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
@@ -7407,6 +7485,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x10ec, 0x10f2, "Intel Reference board", ALC700_FIXUP_INTEL_REFERENCE),
SND_PCI_QUIRK(0x10f7, 0x8338, "Panasonic CF-SZ6", ALC269_FIXUP_HEADSET_MODE),
SND_PCI_QUIRK(0x144d, 0xc109, "Samsung Ativ book 9 (NP900X3G)", ALC269_FIXUP_INV_DMIC),
+ SND_PCI_QUIRK(0x144d, 0xc169, "Samsung Notebook 9 Pen (NP930SBE-K01US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
+ SND_PCI_QUIRK(0x144d, 0xc176, "Samsung Notebook 9 Pro (NP930MBE-K04US)", ALC298_FIXUP_SAMSUNG_HEADPHONE_VERY_QUIET),
SND_PCI_QUIRK(0x144d, 0xc740, "Samsung Ativ book 8 (NP870Z5G)", ALC269_FIXUP_ATIV_BOOK_8),
SND_PCI_QUIRK(0x1458, 0xfa53, "Gigabyte BXBT-2807", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1462, 0xb120, "MSI Cubi MS-B120", ALC283_FIXUP_HEADSET_MIC),
@@ -7417,12 +7497,13 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1558, 0x8560, "System76 Gazelle (gaze14)", ALC269_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x1558, 0x8561, "System76 Gazelle (gaze14)", ALC269_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x17aa, 0x1036, "Lenovo P520", ALC233_FIXUP_LENOVO_MULTI_CODECS),
+ SND_PCI_QUIRK(0x17aa, 0x1048, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x17aa, 0x20f2, "Thinkpad SL410/510", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x215e, "Thinkpad L512", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x21b8, "Thinkpad Edge 14", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x21ca, "Thinkpad L412", ALC269_FIXUP_SKU_IGNORE),
SND_PCI_QUIRK(0x17aa, 0x21e9, "Thinkpad Edge 15", ALC269_FIXUP_SKU_IGNORE),
- SND_PCI_QUIRK(0x17aa, 0x21f6, "Thinkpad T530", ALC269_FIXUP_LENOVO_DOCK),
+ SND_PCI_QUIRK(0x17aa, 0x21f6, "Thinkpad T530", ALC269_FIXUP_LENOVO_DOCK_LIMIT_BOOST),
SND_PCI_QUIRK(0x17aa, 0x21fa, "Thinkpad X230", ALC269_FIXUP_LENOVO_DOCK),
SND_PCI_QUIRK(0x17aa, 0x21f3, "Thinkpad T430", ALC269_FIXUP_LENOVO_DOCK),
SND_PCI_QUIRK(0x17aa, 0x21fb, "Thinkpad T430s", ALC269_FIXUP_LENOVO_DOCK),
@@ -7561,6 +7642,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
{.id = ALC269_FIXUP_HEADSET_MODE, .name = "headset-mode"},
{.id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, .name = "headset-mode-no-hp-mic"},
{.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"},
+ {.id = ALC269_FIXUP_LENOVO_DOCK_LIMIT_BOOST, .name = "lenovo-dock-limit-boost"},
{.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"},
{.id = ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, .name = "hp-dock-gpio-mic1-led"},
{.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"},
@@ -7572,6 +7654,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = {
{.id = ALC292_FIXUP_TPT440_DOCK, .name = "tpt440-dock"},
{.id = ALC292_FIXUP_TPT440, .name = "tpt440"},
{.id = ALC292_FIXUP_TPT460, .name = "tpt460"},
+ {.id = ALC298_FIXUP_TPT470_DOCK_FIX, .name = "tpt470-dock-fix"},
{.id = ALC298_FIXUP_TPT470_DOCK, .name = "tpt470-dock"},
{.id = ALC233_FIXUP_LENOVO_MULTI_CODECS, .name = "dual-codecs"},
{.id = ALC700_FIXUP_INTEL_REFERENCE, .name = "alc700-ref"},
@@ -7989,6 +8072,18 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
{0x12, 0x90a60130},
{0x17, 0x90170110},
{0x21, 0x03211020}),
+ SND_HDA_PIN_QUIRK(0x10ec0295, 0x1043, "ASUS", ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
+ {0x12, 0x90a60120},
+ {0x17, 0x90170110},
+ {0x21, 0x04211030}),
+ SND_HDA_PIN_QUIRK(0x10ec0295, 0x1043, "ASUS", ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
+ {0x12, 0x90a60130},
+ {0x17, 0x90170110},
+ {0x21, 0x03211020}),
+ SND_HDA_PIN_QUIRK(0x10ec0295, 0x1043, "ASUS", ALC295_FIXUP_ASUS_MIC_NO_PRESENCE,
+ {0x12, 0x90a60130},
+ {0x17, 0x90170110},
+ {0x21, 0x03211020}),
SND_HDA_PIN_QUIRK(0x10ec0295, 0x1028, "Dell", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE,
{0x14, 0x90170110},
{0x21, 0x04211020}),
@@ -8196,7 +8291,9 @@ static int patch_alc269(struct hda_codec *codec)
spec->gen.mixer_nid = 0;
break;
case 0x10ec0215:
+ case 0x10ec0245:
case 0x10ec0285:
+ case 0x10ec0287:
case 0x10ec0289:
spec->codec_variant = ALC269_TYPE_ALC215;
spec->shutup = alc225_shutup;
@@ -8204,8 +8301,6 @@ static int patch_alc269(struct hda_codec *codec)
spec->gen.mixer_nid = 0;
break;
case 0x10ec0225:
- codec->power_save_node = 1;
- /* fall through */
case 0x10ec0295:
case 0x10ec0299:
spec->codec_variant = ALC269_TYPE_ALC225;
@@ -9457,6 +9552,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0234, "ALC234", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0235, "ALC233", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0236, "ALC236", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0245, "ALC245", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0255, "ALC255", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0256, "ALC256", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0257, "ALC257", patch_alc269),
@@ -9476,6 +9572,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0284, "ALC284", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0285, "ALC285", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0286, "ALC286", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0287, "ALC287", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0288, "ALC288", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0289, "ALC289", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0290, "ALC290", patch_alc269),
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 884d0cdec08c..73e1e5400506 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -2332,7 +2332,8 @@ static int snd_ice1712_chip_init(struct snd_ice1712 *ice)
pci_write_config_byte(ice->pci, 0x61, ice->eeprom.data[ICE_EEP1_ACLINK]);
pci_write_config_byte(ice->pci, 0x62, ice->eeprom.data[ICE_EEP1_I2SID]);
pci_write_config_byte(ice->pci, 0x63, ice->eeprom.data[ICE_EEP1_SPDIF]);
- if (ice->eeprom.subvendor != ICE1712_SUBDEVICE_STDSP24) {
+ if (ice->eeprom.subvendor != ICE1712_SUBDEVICE_STDSP24 &&
+ ice->eeprom.subvendor != ICE1712_SUBDEVICE_STAUDIO_ADCIII) {
ice->gpio.write_mask = ice->eeprom.gpiomask;
ice->gpio.direction = ice->eeprom.gpiodir;
snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK,
diff --git a/sound/soc/amd/acp3x-rt5682-max9836.c b/sound/soc/amd/acp3x-rt5682-max9836.c
index 024a7ee54cd5..e499c00e0c66 100644
--- a/sound/soc/amd/acp3x-rt5682-max9836.c
+++ b/sound/soc/amd/acp3x-rt5682-max9836.c
@@ -89,9 +89,9 @@ static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
}
snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
- snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
- snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
- snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+ snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
+ snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
+ snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
if (ret) {
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index e6a0c5d05fa5..e60e0b6a689c 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -1525,6 +1525,7 @@ config SND_SOC_WM8804_SPI
config SND_SOC_WM8900
tristate
+ depends on SND_SOC_I2C_AND_SPI
config SND_SOC_WM8903
tristate "Wolfson Microelectronics WM8903 CODEC"
@@ -1576,6 +1577,7 @@ config SND_SOC_WM8985
config SND_SOC_WM8988
tristate
+ depends on SND_SOC_I2C_AND_SPI
config SND_SOC_WM8990
tristate
@@ -1594,6 +1596,7 @@ config SND_SOC_WM8994
config SND_SOC_WM8995
tristate
+ depends on SND_SOC_I2C_AND_SPI
config SND_SOC_WM8996
tristate
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c
index fba9b749839d..f26b77faed59 100644
--- a/sound/soc/codecs/hdac_hdmi.c
+++ b/sound/soc/codecs/hdac_hdmi.c
@@ -142,14 +142,14 @@ static struct hdac_hdmi_pcm *
hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi,
struct hdac_hdmi_cvt *cvt)
{
- struct hdac_hdmi_pcm *pcm = NULL;
+ struct hdac_hdmi_pcm *pcm;
list_for_each_entry(pcm, &hdmi->pcm_list, head) {
if (pcm->cvt == cvt)
- break;
+ return pcm;
}
- return pcm;
+ return NULL;
}
static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm,
diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c
index 40de9d7811d1..a448d2a2918a 100644
--- a/sound/soc/codecs/madera.c
+++ b/sound/soc/codecs/madera.c
@@ -1903,7 +1903,6 @@ const struct soc_enum madera_isrc_fsh[] = {
MADERA_ISRC4_FSH_SHIFT, 0xf,
MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
-
};
EXPORT_SYMBOL_GPL(madera_isrc_fsh);
@@ -1924,7 +1923,6 @@ const struct soc_enum madera_isrc_fsl[] = {
MADERA_ISRC4_FSL_SHIFT, 0xf,
MADERA_RATE_ENUM_SIZE,
madera_rate_text, madera_rate_val),
-
};
EXPORT_SYMBOL_GPL(madera_isrc_fsl);
@@ -1938,7 +1936,6 @@ const struct soc_enum madera_asrc1_rate[] = {
MADERA_ASYNC_RATE_ENUM_SIZE,
madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE,
madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE),
-
};
EXPORT_SYMBOL_GPL(madera_asrc1_rate);
@@ -1964,7 +1961,6 @@ const struct soc_enum madera_asrc2_rate[] = {
MADERA_ASYNC_RATE_ENUM_SIZE,
madera_rate_text + MADERA_SYNC_RATE_ENUM_SIZE,
madera_rate_val + MADERA_SYNC_RATE_ENUM_SIZE),
-
};
EXPORT_SYMBOL_GPL(madera_asrc2_rate);
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index d5130193b4a2..e8a8bf7b4ffe 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1653,6 +1653,40 @@ static int sgtl5000_i2c_probe(struct i2c_client *client,
dev_err(&client->dev,
"Error %d initializing CHIP_CLK_CTRL\n", ret);
+ /* Mute everything to avoid pop from the following power-up */
+ ret = regmap_write(sgtl5000->regmap, SGTL5000_CHIP_ANA_CTRL,
+ SGTL5000_CHIP_ANA_CTRL_DEFAULT);
+ if (ret) {
+ dev_err(&client->dev,
+ "Error %d muting outputs via CHIP_ANA_CTRL\n", ret);
+ goto disable_clk;
+ }
+
+ /*
+ * If VAG is powered-on (e.g. from previous boot), it would be disabled
+ * by the write to ANA_POWER in later steps of the probe code. This
+ * may create a loud pop even with all outputs muted. The proper way
+ * to circumvent this is disabling the bit first and waiting the proper
+ * cool-down time.
+ */
+ ret = regmap_read(sgtl5000->regmap, SGTL5000_CHIP_ANA_POWER, &value);
+ if (ret) {
+ dev_err(&client->dev, "Failed to read ANA_POWER: %d\n", ret);
+ goto disable_clk;
+ }
+ if (value & SGTL5000_VAG_POWERUP) {
+ ret = regmap_update_bits(sgtl5000->regmap,
+ SGTL5000_CHIP_ANA_POWER,
+ SGTL5000_VAG_POWERUP,
+ 0);
+ if (ret) {
+ dev_err(&client->dev, "Error %d disabling VAG\n", ret);
+ goto disable_clk;
+ }
+
+ msleep(SGTL5000_VAG_POWERDOWN_DELAY);
+ }
+
/* Follow section 2.2.1.1 of AN3663 */
ana_pwr = SGTL5000_ANA_POWER_DEFAULT;
if (sgtl5000->num_supplies <= VDDD) {
diff --git a/sound/soc/codecs/sgtl5000.h b/sound/soc/codecs/sgtl5000.h
index a4bf4bca95bf..56ec5863f250 100644
--- a/sound/soc/codecs/sgtl5000.h
+++ b/sound/soc/codecs/sgtl5000.h
@@ -233,6 +233,7 @@
/*
* SGTL5000_CHIP_ANA_CTRL
*/
+#define SGTL5000_CHIP_ANA_CTRL_DEFAULT 0x0133
#define SGTL5000_LINE_OUT_MUTE 0x0100
#define SGTL5000_HP_SEL_MASK 0x0040
#define SGTL5000_HP_SEL_SHIFT 6
diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c
index 1554631cb397..5b7f9fcf6cbf 100644
--- a/sound/soc/codecs/tas571x.c
+++ b/sound/soc/codecs/tas571x.c
@@ -820,8 +820,10 @@ static int tas571x_i2c_probe(struct i2c_client *client,
priv->regmap = devm_regmap_init(dev, NULL, client,
priv->chip->regmap_config);
- if (IS_ERR(priv->regmap))
- return PTR_ERR(priv->regmap);
+ if (IS_ERR(priv->regmap)) {
+ ret = PTR_ERR(priv->regmap);
+ goto disable_regs;
+ }
priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
if (IS_ERR(priv->pdn_gpio)) {
@@ -845,7 +847,7 @@ static int tas571x_i2c_probe(struct i2c_client *client,
ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
if (ret)
- return ret;
+ goto disable_regs;
usleep_range(50000, 60000);
@@ -861,12 +863,20 @@ static int tas571x_i2c_probe(struct i2c_client *client,
*/
ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
if (ret)
- return ret;
+ goto disable_regs;
}
- return devm_snd_soc_register_component(&client->dev,
+ ret = devm_snd_soc_register_component(&client->dev,
&priv->component_driver,
&tas571x_dai, 1);
+ if (ret)
+ goto disable_regs;
+
+ return ret;
+
+disable_regs:
+ regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
+ return ret;
}
static int tas571x_i2c_remove(struct i2c_client *client)
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 55112c1bba5e..6cf0f6612bda 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -860,8 +860,7 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
wm8960->is_stream_in_use[tx] = true;
- if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON &&
- !wm8960->is_stream_in_use[!tx])
+ if (!wm8960->is_stream_in_use[!tx])
return wm8960_configure_clocking(component);
return 0;
diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c
index f2d6f2f81f14..d39d479e2378 100644
--- a/sound/soc/codecs/wsa881x.c
+++ b/sound/soc/codecs/wsa881x.c
@@ -394,6 +394,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
.min_ch = 1,
.max_ch = 1,
.simple_ch_prep_sm = true,
+ .read_only_wordlength = true,
}, {
/* COMP */
.num = 2,
@@ -401,6 +402,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
.min_ch = 1,
.max_ch = 1,
.simple_ch_prep_sm = true,
+ .read_only_wordlength = true,
}, {
/* BOOST */
.num = 3,
@@ -408,6 +410,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
.min_ch = 1,
.max_ch = 1,
.simple_ch_prep_sm = true,
+ .read_only_wordlength = true,
}, {
/* VISENSE */
.num = 4,
@@ -415,6 +418,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
.min_ch = 1,
.max_ch = 1,
.simple_ch_prep_sm = true,
+ .read_only_wordlength = true,
}
};
diff --git a/sound/soc/intel/common/soc-acpi-intel-cml-match.c b/sound/soc/intel/common/soc-acpi-intel-cml-match.c
index bcedec6c6117..7d85bd5aff9f 100644
--- a/sound/soc/intel/common/soc-acpi-intel-cml-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-cml-match.c
@@ -113,14 +113,6 @@ static const struct snd_soc_acpi_adr_device rt1308_1_adr[] = {
}
};
-static const struct snd_soc_acpi_adr_device rt1308_2_adr[] = {
- {
- .adr = 0x000210025D130800,
- .num_endpoints = 1,
- .endpoints = &single_endpoint,
- }
-};
-
static const struct snd_soc_acpi_adr_device rt1308_1_group1_adr[] = {
{
.adr = 0x000110025D130800,
diff --git a/sound/soc/intel/common/soc-acpi-intel-icl-match.c b/sound/soc/intel/common/soc-acpi-intel-icl-match.c
index ef8500349f2f..16ec9f382b0f 100644
--- a/sound/soc/intel/common/soc-acpi-intel-icl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-icl-match.c
@@ -87,14 +87,6 @@ static const struct snd_soc_acpi_adr_device rt1308_1_adr[] = {
}
};
-static const struct snd_soc_acpi_adr_device rt1308_2_adr[] = {
- {
- .adr = 0x000210025D130800,
- .num_endpoints = 1,
- .endpoints = &single_endpoint,
- }
-};
-
static const struct snd_soc_acpi_adr_device rt1308_1_group1_adr[] = {
{
.adr = 0x000110025D130800,
diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index af46845f4ef2..89f7f64747cd 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -338,8 +338,10 @@ static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np,
if (axg_card_cpu_is_tdm_iface(dai_link->cpus->of_node))
ret = axg_card_parse_tdm(card, np, index);
- else if (axg_card_cpu_is_codec(dai_link->cpus->of_node))
+ else if (axg_card_cpu_is_codec(dai_link->cpus->of_node)) {
dai_link->params = &codec_params;
+ dai_link->no_pcm = 0; /* link is not a DPCM BE */
+ }
return ret;
}
diff --git a/sound/soc/meson/gx-card.c b/sound/soc/meson/gx-card.c
index 7b01dcb73e5e..4abf7efb7eac 100644
--- a/sound/soc/meson/gx-card.c
+++ b/sound/soc/meson/gx-card.c
@@ -108,8 +108,10 @@ static int gx_card_add_link(struct snd_soc_card *card, struct device_node *np,
ret = gx_card_parse_i2s(card, np, index);
/* Or apply codec to codec params if necessary */
- else if (gx_card_cpu_identify(dai_link->cpus, "CODEC CTRL"))
+ else if (gx_card_cpu_identify(dai_link->cpus, "CODEC CTRL")) {
dai_link->params = &codec_params;
+ dai_link->no_pcm = 0; /* link is not a DPCM BE */
+ }
return ret;
}
diff --git a/sound/soc/qcom/apq8096.c b/sound/soc/qcom/apq8096.c
index d55e3ad96716..287ad2aa27f3 100644
--- a/sound/soc/qcom/apq8096.c
+++ b/sound/soc/qcom/apq8096.c
@@ -116,10 +116,8 @@ static int apq8096_platform_probe(struct platform_device *pdev)
card->dev = dev;
dev_set_drvdata(dev, card);
ret = qcom_snd_parse_of(card);
- if (ret) {
- dev_err(dev, "Error parsing OF data\n");
+ if (ret)
goto err;
- }
apq8096_add_be_ops(card);
ret = snd_soc_register_card(card);
diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index c1a7624eaf17..2a5302f1db98 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -902,6 +902,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -917,6 +919,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -931,6 +935,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -946,6 +952,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -960,6 +968,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -975,6 +985,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -989,6 +1001,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
@@ -1004,6 +1018,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
SNDRV_PCM_RATE_16000,
.formats = SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE,
+ .channels_min = 1,
+ .channels_max = 8,
.rate_min = 8000,
.rate_max = 48000,
},
diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index b2de65c7f95c..68e9388ff46f 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -559,10 +559,8 @@ static int sdm845_snd_platform_probe(struct platform_device *pdev)
card->dev = dev;
dev_set_drvdata(dev, card);
ret = qcom_snd_parse_of(card);
- if (ret) {
- dev_err(dev, "Error parsing OF data\n");
+ if (ret)
goto parse_dt_fail;
- }
data->card = card;
snd_soc_card_set_drvdata(card, data);
diff --git a/sound/soc/samsung/s3c-i2s-v2.c b/sound/soc/samsung/s3c-i2s-v2.c
index 358887848293..5e95c30fb2ba 100644
--- a/sound/soc/samsung/s3c-i2s-v2.c
+++ b/sound/soc/samsung/s3c-i2s-v2.c
@@ -656,60 +656,6 @@ void s3c_i2sv2_cleanup(struct snd_soc_dai *dai,
}
EXPORT_SYMBOL_GPL(s3c_i2sv2_cleanup);
-#ifdef CONFIG_PM
-static int s3c2412_i2s_suspend(struct snd_soc_dai *dai)
-{
- struct s3c_i2sv2_info *i2s = to_info(dai);
- u32 iismod;
-
- if (dai->active) {
- i2s->suspend_iismod = readl(i2s->regs + S3C2412_IISMOD);
- i2s->suspend_iiscon = readl(i2s->regs + S3C2412_IISCON);
- i2s->suspend_iispsr = readl(i2s->regs + S3C2412_IISPSR);
-
- /* some basic suspend checks */
-
- iismod = readl(i2s->regs + S3C2412_IISMOD);
-
- if (iismod & S3C2412_IISCON_RXDMA_ACTIVE)
- pr_warn("%s: RXDMA active?\n", __func__);
-
- if (iismod & S3C2412_IISCON_TXDMA_ACTIVE)
- pr_warn("%s: TXDMA active?\n", __func__);
-
- if (iismod & S3C2412_IISCON_IIS_ACTIVE)
- pr_warn("%s: IIS active\n", __func__);
- }
-
- return 0;
-}
-
-static int s3c2412_i2s_resume(struct snd_soc_dai *dai)
-{
- struct s3c_i2sv2_info *i2s = to_info(dai);
-
- pr_info("dai_active %d, IISMOD %08x, IISCON %08x\n",
- dai->active, i2s->suspend_iismod, i2s->suspend_iiscon);
-
- if (dai->active) {
- writel(i2s->suspend_iiscon, i2s->regs + S3C2412_IISCON);
- writel(i2s->suspend_iismod, i2s->regs + S3C2412_IISMOD);
- writel(i2s->suspend_iispsr, i2s->regs + S3C2412_IISPSR);
-
- writel(S3C2412_IISFIC_RXFLUSH | S3C2412_IISFIC_TXFLUSH,
- i2s->regs + S3C2412_IISFIC);
-
- ndelay(250);
- writel(0x0, i2s->regs + S3C2412_IISFIC);
- }
-
- return 0;
-}
-#else
-#define s3c2412_i2s_suspend NULL
-#define s3c2412_i2s_resume NULL
-#endif
-
int s3c_i2sv2_register_component(struct device *dev, int id,
const struct snd_soc_component_driver *cmp_drv,
struct snd_soc_dai_driver *dai_drv)
@@ -727,9 +673,6 @@ int s3c_i2sv2_register_component(struct device *dev, int id,
if (!ops->delay)
ops->delay = s3c2412_i2s_delay;
- dai_drv->suspend = s3c2412_i2s_suspend;
- dai_drv->resume = s3c2412_i2s_resume;
-
return devm_snd_soc_register_component(dev, cmp_drv, dai_drv, 1);
}
EXPORT_SYMBOL_GPL(s3c_i2sv2_register_component);
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
index 787a3f6e9f24..b35d828c1cfe 100644
--- a/sound/soc/samsung/s3c2412-i2s.c
+++ b/sound/soc/samsung/s3c2412-i2s.c
@@ -117,6 +117,60 @@ static int s3c2412_i2s_hw_params(struct snd_pcm_substream *substream,
return 0;
}
+#ifdef CONFIG_PM
+static int s3c2412_i2s_suspend(struct snd_soc_component *component)
+{
+ struct s3c_i2sv2_info *i2s = snd_soc_component_get_drvdata(component);
+ u32 iismod;
+
+ if (component->active) {
+ i2s->suspend_iismod = readl(i2s->regs + S3C2412_IISMOD);
+ i2s->suspend_iiscon = readl(i2s->regs + S3C2412_IISCON);
+ i2s->suspend_iispsr = readl(i2s->regs + S3C2412_IISPSR);
+
+ /* some basic suspend checks */
+
+ iismod = readl(i2s->regs + S3C2412_IISMOD);
+
+ if (iismod & S3C2412_IISCON_RXDMA_ACTIVE)
+ pr_warn("%s: RXDMA active?\n", __func__);
+
+ if (iismod & S3C2412_IISCON_TXDMA_ACTIVE)
+ pr_warn("%s: TXDMA active?\n", __func__);
+
+ if (iismod & S3C2412_IISCON_IIS_ACTIVE)
+ pr_warn("%s: IIS active\n", __func__);
+ }
+
+ return 0;
+}
+
+static int s3c2412_i2s_resume(struct snd_soc_component *component)
+{
+ struct s3c_i2sv2_info *i2s = snd_soc_component_get_drvdata(component);
+
+ pr_info("component_active %d, IISMOD %08x, IISCON %08x\n",
+ component->active, i2s->suspend_iismod, i2s->suspend_iiscon);
+
+ if (component->active) {
+ writel(i2s->suspend_iiscon, i2s->regs + S3C2412_IISCON);
+ writel(i2s->suspend_iismod, i2s->regs + S3C2412_IISMOD);
+ writel(i2s->suspend_iispsr, i2s->regs + S3C2412_IISPSR);
+
+ writel(S3C2412_IISFIC_RXFLUSH | S3C2412_IISFIC_TXFLUSH,
+ i2s->regs + S3C2412_IISFIC);
+
+ ndelay(250);
+ writel(0x0, i2s->regs + S3C2412_IISFIC);
+ }
+
+ return 0;
+}
+#else
+#define s3c2412_i2s_suspend NULL
+#define s3c2412_i2s_resume NULL
+#endif
+
#define S3C2412_I2S_RATES \
(SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
@@ -146,6 +200,8 @@ static struct snd_soc_dai_driver s3c2412_i2s_dai = {
static const struct snd_soc_component_driver s3c2412_i2s_component = {
.name = "s3c2412-i2s",
+ .suspend = s3c2412_i2s_suspend,
+ .resume = s3c2412_i2s_resume,
};
static int s3c2412_iis_dev_probe(struct platform_device *pdev)
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index fc5d089868df..4a7d3413917f 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -594,10 +594,16 @@ static int rsnd_ssi_stop(struct rsnd_mod *mod,
* Capture: It might not receave data. Do nothing
*/
if (rsnd_io_is_play(io)) {
- rsnd_mod_write(mod, SSICR, cr | EN);
+ rsnd_mod_write(mod, SSICR, cr | ssi->cr_en);
rsnd_ssi_status_check(mod, DIRQ);
}
+ /* In multi-SSI mode, stop is performed by setting ssi0129 in
+ * SSI_CONTROL to 0 (in rsnd_ssio_stop_gen2). Do nothing here.
+ */
+ if (rsnd_ssi_multi_slaves_runtime(io))
+ return 0;
+
/*
* disable SSI,
* and, wait idle state
@@ -737,6 +743,9 @@ static void rsnd_ssi_parent_attach(struct rsnd_mod *mod,
if (!rsnd_rdai_is_clk_master(rdai))
return;
+ if (rsnd_ssi_is_multi_slave(mod, io))
+ return;
+
switch (rsnd_mod_id(mod)) {
case 1:
case 2:
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
index f35d88211887..9c7c3e7539c9 100644
--- a/sound/soc/sh/rcar/ssiu.c
+++ b/sound/soc/sh/rcar/ssiu.c
@@ -221,7 +221,7 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod,
i;
for_each_rsnd_mod_array(i, pos, io, rsnd_ssi_array) {
- shift = (i * 4) + 16;
+ shift = (i * 4) + 20;
val = (val & ~(0xF << shift)) |
rsnd_mod_id(pos) << shift;
}
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index 8f3cad8db89a..31c41559034b 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -295,24 +295,17 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai,
{
int ret = 0;
- if (!dai->started[substream->stream] &&
- dai->driver->ops->startup)
+ if (dai->driver->ops->startup)
ret = dai->driver->ops->startup(substream, dai);
- if (ret == 0)
- dai->started[substream->stream] = 1;
-
return ret;
}
void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
struct snd_pcm_substream *substream)
{
- if (dai->started[substream->stream] &&
- dai->driver->ops->shutdown)
+ if (dai->driver->ops->shutdown)
dai->driver->ops->shutdown(substream, dai);
-
- dai->started[substream->stream] = 0;
}
int snd_soc_dai_prepare(struct snd_soc_dai *dai,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 679ed60d850e..e2632841b321 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -423,7 +423,7 @@ static int dapm_kcontrol_data_alloc(struct snd_soc_dapm_widget *widget,
memset(&template, 0, sizeof(template));
template.reg = e->reg;
- template.mask = e->mask << e->shift_l;
+ template.mask = e->mask;
template.shift = e->shift_l;
template.off_val = snd_soc_enum_item_to_val(e, 0);
template.on_val = template.off_val;
@@ -546,8 +546,22 @@ static bool dapm_kcontrol_set_value(const struct snd_kcontrol *kcontrol,
if (data->value == value)
return false;
- if (data->widget)
- data->widget->on_val = value;
+ if (data->widget) {
+ switch (dapm_kcontrol_get_wlist(kcontrol)->widgets[0]->id) {
+ case snd_soc_dapm_switch:
+ case snd_soc_dapm_mixer:
+ case snd_soc_dapm_mixer_named_ctl:
+ data->widget->on_val = value & data->widget->mask;
+ break;
+ case snd_soc_dapm_demux:
+ case snd_soc_dapm_mux:
+ data->widget->on_val = value >> data->widget->shift;
+ break;
+ default:
+ data->widget->on_val = value;
+ break;
+ }
+ }
data->value = value;
@@ -4165,6 +4179,8 @@ snd_soc_dapm_new_dai(struct snd_soc_card *card,
w = snd_soc_dapm_new_control_unlocked(&card->dapm, &template);
if (IS_ERR(w)) {
ret = PTR_ERR(w);
+ dev_err(rtd->dev, "ASoC: Failed to create %s widget: %d\n",
+ link_name, ret);
goto outfree_kcontrol_news;
}
@@ -4283,52 +4299,58 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card)
return 0;
}
-static void dapm_add_valid_dai_widget(struct snd_soc_card *card,
- struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_dai *codec_dai,
- struct snd_soc_dai *cpu_dai)
+static void dapm_connect_dai_routes(struct snd_soc_dapm_context *dapm,
+ struct snd_soc_dai *src_dai,
+ struct snd_soc_dapm_widget *src,
+ struct snd_soc_dapm_widget *dai,
+ struct snd_soc_dai *sink_dai,
+ struct snd_soc_dapm_widget *sink)
{
- struct snd_soc_dapm_widget *playback = NULL, *capture = NULL;
- struct snd_soc_dapm_widget *codec, *playback_cpu, *capture_cpu;
+ dev_dbg(dapm->dev, "connected DAI link %s:%s -> %s:%s\n",
+ src_dai->component->name, src->name,
+ sink_dai->component->name, sink->name);
+
+ if (dai) {
+ snd_soc_dapm_add_path(dapm, src, dai, NULL, NULL);
+ src = dai;
+ }
+
+ snd_soc_dapm_add_path(dapm, src, sink, NULL, NULL);
+}
+
+static void dapm_connect_dai_pair(struct snd_soc_card *card,
+ struct snd_soc_pcm_runtime *rtd,
+ struct snd_soc_dai *codec_dai,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct snd_soc_dai_link *dai_link = rtd->dai_link;
+ struct snd_soc_dapm_widget *dai, *codec, *playback_cpu, *capture_cpu;
struct snd_pcm_substream *substream;
struct snd_pcm_str *streams = rtd->pcm->streams;
- if (rtd->dai_link->params) {
+ if (dai_link->params) {
playback_cpu = cpu_dai->capture_widget;
capture_cpu = cpu_dai->playback_widget;
} else {
- playback = cpu_dai->playback_widget;
- capture = cpu_dai->capture_widget;
- playback_cpu = playback;
- capture_cpu = capture;
+ playback_cpu = cpu_dai->playback_widget;
+ capture_cpu = cpu_dai->capture_widget;
}
/* connect BE DAI playback if widgets are valid */
codec = codec_dai->playback_widget;
if (playback_cpu && codec) {
- if (!playback) {
+ if (dai_link->params && !dai_link->playback_widget) {
substream = streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
- playback = snd_soc_dapm_new_dai(card, substream,
- "playback");
- if (IS_ERR(playback)) {
- dev_err(rtd->dev,
- "ASoC: Failed to create DAI %s: %ld\n",
- codec_dai->name,
- PTR_ERR(playback));
+ dai = snd_soc_dapm_new_dai(card, substream, "playback");
+ if (IS_ERR(dai))
goto capture;
- }
-
- snd_soc_dapm_add_path(&card->dapm, playback_cpu,
- playback, NULL, NULL);
+ dai_link->playback_widget = dai;
}
- dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
- cpu_dai->component->name, playback_cpu->name,
- codec_dai->component->name, codec->name);
-
- snd_soc_dapm_add_path(&card->dapm, playback, codec,
- NULL, NULL);
+ dapm_connect_dai_routes(&card->dapm, cpu_dai, playback_cpu,
+ dai_link->playback_widget,
+ codec_dai, codec);
}
capture:
@@ -4336,50 +4358,18 @@ capture:
codec = codec_dai->capture_widget;
if (codec && capture_cpu) {
- if (!capture) {
+ if (dai_link->params && !dai_link->capture_widget) {
substream = streams[SNDRV_PCM_STREAM_CAPTURE].substream;
- capture = snd_soc_dapm_new_dai(card, substream,
- "capture");
- if (IS_ERR(capture)) {
- dev_err(rtd->dev,
- "ASoC: Failed to create DAI %s: %ld\n",
- codec_dai->name,
- PTR_ERR(capture));
+ dai = snd_soc_dapm_new_dai(card, substream, "capture");
+ if (IS_ERR(dai))
return;
- }
-
- snd_soc_dapm_add_path(&card->dapm, capture,
- capture_cpu, NULL, NULL);
+ dai_link->capture_widget = dai;
}
- dev_dbg(rtd->dev, "connected DAI link %s:%s -> %s:%s\n",
- codec_dai->component->name, codec->name,
- cpu_dai->component->name, capture_cpu->name);
-
- snd_soc_dapm_add_path(&card->dapm, codec, capture,
- NULL, NULL);
- }
-}
-
-static void dapm_connect_dai_link_widgets(struct snd_soc_card *card,
- struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_soc_dai *codec_dai;
- int i;
-
- if (rtd->num_cpus == 1) {
- for_each_rtd_codec_dais(rtd, i, codec_dai)
- dapm_add_valid_dai_widget(card, rtd, codec_dai,
- rtd->cpu_dais[0]);
- } else if (rtd->num_codecs == rtd->num_cpus) {
- for_each_rtd_codec_dais(rtd, i, codec_dai)
- dapm_add_valid_dai_widget(card, rtd, codec_dai,
- rtd->cpu_dais[i]);
- } else {
- dev_err(card->dev,
- "N cpus to M codecs link is not supported yet\n");
+ dapm_connect_dai_routes(&card->dapm, codec_dai, codec,
+ dai_link->capture_widget,
+ cpu_dai, capture_cpu);
}
-
}
static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
@@ -4422,6 +4412,8 @@ static void soc_dapm_dai_stream_event(struct snd_soc_dai *dai, int stream,
void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
{
struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_dai *codec_dai;
+ int i;
/* for each BE DAI link... */
for_each_card_rtds(card, rtd) {
@@ -4432,7 +4424,18 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
if (rtd->dai_link->dynamic)
continue;
- dapm_connect_dai_link_widgets(card, rtd);
+ if (rtd->num_cpus == 1) {
+ for_each_rtd_codec_dais(rtd, i, codec_dai)
+ dapm_connect_dai_pair(card, rtd, codec_dai,
+ rtd->cpu_dais[0]);
+ } else if (rtd->num_codecs == rtd->num_cpus) {
+ for_each_rtd_codec_dais(rtd, i, codec_dai)
+ dapm_connect_dai_pair(card, rtd, codec_dai,
+ rtd->cpu_dais[i]);
+ } else {
+ dev_err(card->dev,
+ "N cpus to M codecs link is not supported yet\n");
+ }
}
}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 289aebc15529..1f302de44052 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2911,8 +2911,17 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
int i;
if (rtd->dai_link->dynamic || rtd->dai_link->no_pcm) {
- playback = rtd->dai_link->dpcm_playback;
- capture = rtd->dai_link->dpcm_capture;
+ cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ if (rtd->num_cpus > 1) {
+ dev_err(rtd->dev,
+ "DPCM doesn't support Multi CPU yet\n");
+ return -EINVAL;
+ }
+
+ playback = rtd->dai_link->dpcm_playback &&
+ snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_PLAYBACK);
+ capture = rtd->dai_link->dpcm_capture &&
+ snd_soc_dai_stream_valid(cpu_dai, SNDRV_PCM_STREAM_CAPTURE);
} else {
/* Adapt stream for codec2codec links */
int cpu_capture = rtd->dai_link->params ?
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index 87f75edba3dc..6df3b0d12d87 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -894,7 +894,13 @@ static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
}
/* create any TLV data */
- soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
+ err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
+ if (err < 0) {
+ dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
+ mc->hdr.name);
+ kfree(sm);
+ continue;
+ }
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc,
@@ -1118,6 +1124,7 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
struct snd_soc_tplg_hdr *hdr)
{
struct snd_soc_tplg_ctl_hdr *control_hdr;
+ int ret;
int i;
if (tplg->pass != SOC_TPLG_PASS_MIXER) {
@@ -1146,25 +1153,30 @@ static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
case SND_SOC_TPLG_CTL_RANGE:
case SND_SOC_TPLG_DAPM_CTL_VOLSW:
case SND_SOC_TPLG_DAPM_CTL_PIN:
- soc_tplg_dmixer_create(tplg, 1,
- le32_to_cpu(hdr->payload_size));
+ ret = soc_tplg_dmixer_create(tplg, 1,
+ le32_to_cpu(hdr->payload_size));
break;
case SND_SOC_TPLG_CTL_ENUM:
case SND_SOC_TPLG_CTL_ENUM_VALUE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
- soc_tplg_denum_create(tplg, 1,
- le32_to_cpu(hdr->payload_size));
+ ret = soc_tplg_denum_create(tplg, 1,
+ le32_to_cpu(hdr->payload_size));
break;
case SND_SOC_TPLG_CTL_BYTES:
- soc_tplg_dbytes_create(tplg, 1,
- le32_to_cpu(hdr->payload_size));
+ ret = soc_tplg_dbytes_create(tplg, 1,
+ le32_to_cpu(hdr->payload_size));
break;
default:
soc_bind_err(tplg, control_hdr, i);
return -EINVAL;
}
+ if (ret < 0) {
+ dev_err(tplg->dev, "ASoC: invalid control\n");
+ return ret;
+ }
+
}
return 0;
@@ -1272,7 +1284,9 @@ static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
routes[i]->dobj.index = tplg->index;
list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
- soc_tplg_add_route(tplg, routes[i]);
+ ret = soc_tplg_add_route(tplg, routes[i]);
+ if (ret < 0)
+ break;
/* add route, but keep going if some fail */
snd_soc_dapm_add_routes(dapm, routes[i], 1);
@@ -1355,7 +1369,13 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
}
/* create any TLV data */
- soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
+ err = soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
+ if (err < 0) {
+ dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
+ mc->hdr.name);
+ kfree(sm);
+ continue;
+ }
/* pass control to driver for optional further init */
err = soc_tplg_init_kcontrol(tplg, &kc[i],
@@ -1766,10 +1786,13 @@ static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
return 0;
}
-static void set_stream_info(struct snd_soc_pcm_stream *stream,
+static int set_stream_info(struct snd_soc_pcm_stream *stream,
struct snd_soc_tplg_stream_caps *caps)
{
stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
+ if (!stream->stream_name)
+ return -ENOMEM;
+
stream->channels_min = le32_to_cpu(caps->channels_min);
stream->channels_max = le32_to_cpu(caps->channels_max);
stream->rates = le32_to_cpu(caps->rates);
@@ -1777,6 +1800,8 @@ static void set_stream_info(struct snd_soc_pcm_stream *stream,
stream->rate_max = le32_to_cpu(caps->rate_max);
stream->formats = le64_to_cpu(caps->formats);
stream->sig_bits = le32_to_cpu(caps->sig_bits);
+
+ return 0;
}
static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
@@ -1812,20 +1837,29 @@ static int soc_tplg_dai_create(struct soc_tplg *tplg,
if (dai_drv == NULL)
return -ENOMEM;
- if (strlen(pcm->dai_name))
+ if (strlen(pcm->dai_name)) {
dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
+ if (!dai_drv->name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ }
dai_drv->id = le32_to_cpu(pcm->dai_id);
if (pcm->playback) {
stream = &dai_drv->playback;
caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
- set_stream_info(stream, caps);
+ ret = set_stream_info(stream, caps);
+ if (ret < 0)
+ goto err;
}
if (pcm->capture) {
stream = &dai_drv->capture;
caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
- set_stream_info(stream, caps);
+ ret = set_stream_info(stream, caps);
+ if (ret < 0)
+ goto err;
}
if (pcm->compress)
@@ -1835,11 +1869,7 @@ static int soc_tplg_dai_create(struct soc_tplg *tplg,
ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
if (ret < 0) {
dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
- kfree(dai_drv->playback.stream_name);
- kfree(dai_drv->capture.stream_name);
- kfree(dai_drv->name);
- kfree(dai_drv);
- return ret;
+ goto err;
}
dai_drv->dobj.index = tplg->index;
@@ -1860,6 +1890,14 @@ static int soc_tplg_dai_create(struct soc_tplg *tplg,
return ret;
}
+ return 0;
+
+err:
+ kfree(dai_drv->playback.stream_name);
+ kfree(dai_drv->capture.stream_name);
+ kfree(dai_drv->name);
+ kfree(dai_drv);
+
return ret;
}
@@ -1916,11 +1954,20 @@ static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
if (strlen(pcm->pcm_name)) {
link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
+ if (!link->name || !link->stream_name) {
+ ret = -ENOMEM;
+ goto err;
+ }
}
link->id = le32_to_cpu(pcm->pcm_id);
- if (strlen(pcm->dai_name))
+ if (strlen(pcm->dai_name)) {
link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
+ if (!link->cpus->dai_name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ }
link->codecs->name = "snd-soc-dummy";
link->codecs->dai_name = "snd-soc-dummy-dai";
@@ -2088,7 +2135,9 @@ static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
_pcm = pcm;
} else {
abi_match = false;
- pcm_new_ver(tplg, pcm, &_pcm);
+ ret = pcm_new_ver(tplg, pcm, &_pcm);
+ if (ret < 0)
+ return ret;
}
/* create the FE DAIs and DAI links */
@@ -2436,13 +2485,17 @@ static int soc_tplg_dai_config(struct soc_tplg *tplg,
if (d->playback) {
stream = &dai_drv->playback;
caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
- set_stream_info(stream, caps);
+ ret = set_stream_info(stream, caps);
+ if (ret < 0)
+ goto err;
}
if (d->capture) {
stream = &dai_drv->capture;
caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
- set_stream_info(stream, caps);
+ ret = set_stream_info(stream, caps);
+ if (ret < 0)
+ goto err;
}
if (d->flag_mask)
@@ -2454,10 +2507,15 @@ static int soc_tplg_dai_config(struct soc_tplg *tplg,
ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
if (ret < 0) {
dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
- return ret;
+ goto err;
}
return 0;
+
+err:
+ kfree(dai_drv->playback.stream_name);
+ kfree(dai_drv->capture.stream_name);
+ return ret;
}
/* load physical DAI elements */
@@ -2466,7 +2524,7 @@ static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
{
struct snd_soc_tplg_dai *dai;
int count;
- int i;
+ int i, ret;
count = le32_to_cpu(hdr->count);
@@ -2481,7 +2539,12 @@ static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
return -EINVAL;
}
- soc_tplg_dai_config(tplg, dai);
+ ret = soc_tplg_dai_config(tplg, dai);
+ if (ret < 0) {
+ dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
+ return ret;
+ }
+
tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
}
@@ -2589,7 +2652,7 @@ static int soc_valid_header(struct soc_tplg *tplg,
}
/* big endian firmware objects not supported atm */
- if (hdr->magic == SOC_TPLG_MAGIC_BIG_ENDIAN) {
+ if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
dev_err(tplg->dev,
"ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
tplg->pass, hdr->magic,
diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index 6c23c5769330..a32a3ef78ec5 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -567,9 +567,25 @@ static void bdw_set_mach_params(const struct snd_soc_acpi_mach *mach,
static struct snd_soc_dai_driver bdw_dai[] = {
{
.name = "ssp0-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
{
.name = "ssp1-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
};
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index f84391294f12..29fd1d86156c 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -459,21 +459,69 @@ static void byt_set_mach_params(const struct snd_soc_acpi_mach *mach,
static struct snd_soc_dai_driver byt_dai[] = {
{
.name = "ssp0-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
{
.name = "ssp1-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
{
.name = "ssp2-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ }
},
{
.name = "ssp3-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
{
.name = "ssp4-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
{
.name = "ssp5-port",
+ .playback = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
+ .capture = {
+ .channels_min = 1,
+ .channels_max = 8,
+ },
},
};
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 0d0c9afd8791..41f01c3e639e 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -837,7 +837,7 @@ static int stm32_sai_set_config(struct snd_soc_dai *cpu_dai,
cr1 = SAI_XCR1_DS_SET(SAI_DATASIZE_32);
break;
default:
- dev_err(cpu_dai->dev, "Data format not supported");
+ dev_err(cpu_dai->dev, "Data format not supported\n");
return -EINVAL;
}
@@ -1547,6 +1547,9 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
return ret;
}
+ if (STM_SAI_PROTOCOL_IS_SPDIF(sai))
+ conf = &stm32_sai_pcm_config_spdif;
+
ret = snd_dmaengine_pcm_register(&pdev->dev, conf, 0);
if (ret) {
if (ret != -EPROBE_DEFER)
@@ -1556,15 +1559,10 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
ret = snd_soc_register_component(&pdev->dev, &stm32_component,
&sai->cpu_dai_drv, 1);
- if (ret) {
+ if (ret)
snd_dmaengine_pcm_unregister(&pdev->dev);
- return ret;
- }
-
- if (STM_SAI_PROTOCOL_IS_SPDIF(sai))
- conf = &stm32_sai_pcm_config_spdif;
- return 0;
+ return ret;
}
static int stm32_sai_sub_remove(struct platform_device *pdev)
diff --git a/sound/soc/txx9/txx9aclc-ac97.c b/sound/soc/txx9/txx9aclc-ac97.c
index b1d9615f2375..d9e348444bd0 100644
--- a/sound/soc/txx9/txx9aclc-ac97.c
+++ b/sound/soc/txx9/txx9aclc-ac97.c
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gfp.h>
+#include <asm/mach-tx39xx/ioremap.h> /* for TXX9_DIRECTMAP_BASE */
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 50e1874c847c..5ffb457cc88c 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -278,6 +278,52 @@ static bool s1810c_valid_sample_rate(struct audioformat *fp,
}
/*
+ * Many Focusrite devices supports a limited set of sampling rates per
+ * altsetting. Maximum rate is exposed in the last 4 bytes of Format Type
+ * descriptor which has a non-standard bLength = 10.
+ */
+static bool focusrite_valid_sample_rate(struct snd_usb_audio *chip,
+ struct audioformat *fp,
+ unsigned int rate)
+{
+ struct usb_interface *iface;
+ struct usb_host_interface *alts;
+ unsigned char *fmt;
+ unsigned int max_rate;
+
+ iface = usb_ifnum_to_if(chip->dev, fp->iface);
+ if (!iface)
+ return true;
+
+ alts = &iface->altsetting[fp->altset_idx];
+ fmt = snd_usb_find_csint_desc(alts->extra, alts->extralen,
+ NULL, UAC_FORMAT_TYPE);
+ if (!fmt)
+ return true;
+
+ if (fmt[0] == 10) { /* bLength */
+ max_rate = combine_quad(&fmt[6]);
+
+ /* Validate max rate */
+ if (max_rate != 48000 &&
+ max_rate != 96000 &&
+ max_rate != 192000 &&
+ max_rate != 384000) {
+
+ usb_audio_info(chip,
+ "%u:%d : unexpected max rate: %u\n",
+ fp->iface, fp->altsetting, max_rate);
+
+ return true;
+ }
+
+ return rate <= max_rate;
+ }
+
+ return true;
+}
+
+/*
* Helper function to walk the array of sample rate triplets reported by
* the device. The problem is that we need to parse whole array first to
* get to know how many sample rates we have to expect.
@@ -319,6 +365,11 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
!s1810c_valid_sample_rate(fp, rate))
goto skip_rate;
+ /* Filter out invalid rates on Focusrite devices */
+ if (USB_ID_VENDOR(chip->usb_id) == 0x1235 &&
+ !focusrite_valid_sample_rate(chip, fp, rate))
+ goto skip_rate;
+
if (fp->rate_table)
fp->rate_table[nr_rates] = rate;
if (!fp->rate_min || rate < fp->rate_min)
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index d37db32ecd3b..e39dc85c355a 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -21,8 +21,7 @@
enum {
LINE6_PODHD300,
LINE6_PODHD400,
- LINE6_PODHD500_0,
- LINE6_PODHD500_1,
+ LINE6_PODHD500,
LINE6_PODX3,
LINE6_PODX3LIVE,
LINE6_PODHD500X,
@@ -318,8 +317,7 @@ static const struct usb_device_id podhd_id_table[] = {
/* TODO: no need to alloc data interfaces when only audio is used */
{ LINE6_DEVICE(0x5057), .driver_info = LINE6_PODHD300 },
{ LINE6_DEVICE(0x5058), .driver_info = LINE6_PODHD400 },
- { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500_0 },
- { LINE6_IF_NUM(0x414D, 1), .driver_info = LINE6_PODHD500_1 },
+ { LINE6_IF_NUM(0x414D, 0), .driver_info = LINE6_PODHD500 },
{ LINE6_IF_NUM(0x414A, 0), .driver_info = LINE6_PODX3 },
{ LINE6_IF_NUM(0x414B, 0), .driver_info = LINE6_PODX3LIVE },
{ LINE6_IF_NUM(0x4159, 0), .driver_info = LINE6_PODHD500X },
@@ -352,23 +350,13 @@ static const struct line6_properties podhd_properties_table[] = {
.ep_audio_r = 0x82,
.ep_audio_w = 0x01,
},
- [LINE6_PODHD500_0] = {
+ [LINE6_PODHD500] = {
.id = "PODHD500",
.name = "POD HD500",
- .capabilities = LINE6_CAP_PCM
+ .capabilities = LINE6_CAP_PCM | LINE6_CAP_CONTROL
| LINE6_CAP_HWMON,
.altsetting = 1,
- .ep_ctrl_r = 0x81,
- .ep_ctrl_w = 0x01,
- .ep_audio_r = 0x86,
- .ep_audio_w = 0x02,
- },
- [LINE6_PODHD500_1] = {
- .id = "PODHD500",
- .name = "POD HD500",
- .capabilities = LINE6_CAP_PCM
- | LINE6_CAP_HWMON,
- .altsetting = 0,
+ .ctrl_if = 1,
.ep_ctrl_r = 0x81,
.ep_ctrl_w = 0x01,
.ep_audio_r = 0x86,
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index e7b9040a54e6..15769f266790 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1182,6 +1182,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
cval->res = 384;
}
break;
+ case USB_ID(0x0495, 0x3042): /* ESS Technology Asus USB DAC */
+ if ((strstr(kctl->id.name, "Playback Volume") != NULL) ||
+ strstr(kctl->id.name, "Capture Volume") != NULL) {
+ cval->min >>= 8;
+ cval->max = 0;
+ cval->res = 1;
+ }
+ break;
}
}
@@ -1776,8 +1784,10 @@ static void build_connector_control(struct usb_mixer_interface *mixer,
{
struct snd_kcontrol *kctl;
struct usb_mixer_elem_info *cval;
+ const struct usbmix_name_map *map;
- if (check_ignored_ctl(find_map(imap, term->id, 0)))
+ map = find_map(imap, term->id, 0);
+ if (check_ignored_ctl(map))
return;
cval = kzalloc(sizeof(*cval), GFP_KERNEL);
@@ -1809,8 +1819,12 @@ static void build_connector_control(struct usb_mixer_interface *mixer,
usb_mixer_elem_info_free(cval);
return;
}
- get_connector_control_name(mixer, term, is_input, kctl->id.name,
- sizeof(kctl->id.name));
+
+ if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name)))
+ strlcat(kctl->id.name, " Jack", sizeof(kctl->id.name));
+ else
+ get_connector_control_name(mixer, term, is_input, kctl->id.name,
+ sizeof(kctl->id.name));
kctl->private_free = snd_usb_mixer_elem_free;
snd_usb_mixer_add_control(&cval->head, kctl);
}
@@ -3111,6 +3125,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
if (map->id == state.chip->usb_id) {
state.map = map->map;
state.selector_map = map->selector_map;
+ mixer->connector_map = map->connector_map;
mixer->ignore_ctl_error |= map->ignore_ctl_error;
break;
}
@@ -3192,10 +3207,32 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
return 0;
}
+static int delegate_notify(struct usb_mixer_interface *mixer, int unitid,
+ u8 *control, u8 *channel)
+{
+ const struct usbmix_connector_map *map = mixer->connector_map;
+
+ if (!map)
+ return unitid;
+
+ for (; map->id; map++) {
+ if (map->id == unitid) {
+ if (control && map->control)
+ *control = map->control;
+ if (channel && map->channel)
+ *channel = map->channel;
+ return map->delegated_id;
+ }
+ }
+ return unitid;
+}
+
void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid)
{
struct usb_mixer_elem_list *list;
+ unitid = delegate_notify(mixer, unitid, NULL, NULL);
+
for_each_mixer_elem(list, mixer, unitid) {
struct usb_mixer_elem_info *info =
mixer_elem_list_to_info(list);
@@ -3265,6 +3302,8 @@ static void snd_usb_mixer_interrupt_v2(struct usb_mixer_interface *mixer,
return;
}
+ unitid = delegate_notify(mixer, unitid, &control, &channel);
+
for_each_mixer_elem(list, mixer, unitid)
count++;
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 65d6d08c96f5..41ec9dc4139b 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -6,6 +6,13 @@
struct media_mixer_ctl;
+struct usbmix_connector_map {
+ u8 id;
+ u8 delegated_id;
+ u8 control;
+ u8 channel;
+};
+
struct usb_mixer_interface {
struct snd_usb_audio *chip;
struct usb_host_interface *hostif;
@@ -18,6 +25,9 @@ struct usb_mixer_interface {
/* the usb audio specification version this interface complies to */
int protocol;
+ /* optional connector delegation map */
+ const struct usbmix_connector_map *connector_map;
+
/* Sound Blaster remote control stuff */
const struct rc_config *rc_cfg;
u32 rc_code;
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index b4e77000f441..9af7aa93f6fa 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -27,6 +27,7 @@ struct usbmix_ctl_map {
u32 id;
const struct usbmix_name_map *map;
const struct usbmix_selector_map *selector_map;
+ const struct usbmix_connector_map *connector_map;
int ignore_ctl_error;
};
@@ -369,6 +370,48 @@ static const struct usbmix_name_map asus_rog_map[] = {
{}
};
+/* TRX40 mobos with Realtek ALC1220-VB */
+static const struct usbmix_name_map trx40_mobo_map[] = {
+ { 18, NULL }, /* OT, IEC958 - broken response, disabled */
+ { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */
+ { 16, "Speaker" }, /* OT */
+ { 22, "Speaker Playback" }, /* FU */
+ { 7, "Line" }, /* IT */
+ { 19, "Line Capture" }, /* FU */
+ { 17, "Front Headphone" }, /* OT */
+ { 23, "Front Headphone Playback" }, /* FU */
+ { 8, "Mic" }, /* IT */
+ { 20, "Mic Capture" }, /* FU */
+ { 9, "Front Mic" }, /* IT */
+ { 21, "Front Mic Capture" }, /* FU */
+ { 24, "IEC958 Playback" }, /* FU */
+ {}
+};
+
+static const struct usbmix_connector_map trx40_mobo_connector_map[] = {
+ { 10, 16 }, /* (Back) Speaker */
+ { 11, 17 }, /* Front Headphone */
+ { 13, 7 }, /* Line */
+ { 14, 8 }, /* Mic */
+ { 15, 9 }, /* Front Mic */
+ {}
+};
+
+/* Rear panel + front mic on Gigabyte TRX40 Aorus Master with ALC1220-VB */
+static const struct usbmix_name_map aorus_master_alc1220vb_map[] = {
+ { 17, NULL }, /* OT, IEC958?, disabled */
+ { 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */
+ { 16, "Line Out" }, /* OT */
+ { 22, "Line Out Playback" }, /* FU */
+ { 7, "Line" }, /* IT */
+ { 19, "Line Capture" }, /* FU */
+ { 8, "Mic" }, /* IT */
+ { 20, "Mic Capture" }, /* FU */
+ { 9, "Front Mic" }, /* IT */
+ { 21, "Front Mic Capture" }, /* FU */
+ {}
+};
+
/*
* Control map entries
*/
@@ -498,9 +541,14 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x1b1c, 0x0a42),
.map = corsair_virtuoso_map,
},
+ { /* Gigabyte TRX40 Aorus Master (rear panel + front mic) */
+ .id = USB_ID(0x0414, 0xa001),
+ .map = aorus_master_alc1220vb_map,
+ },
{ /* Gigabyte TRX40 Aorus Pro WiFi */
.id = USB_ID(0x0414, 0xa002),
- .map = asus_rog_map,
+ .map = trx40_mobo_map,
+ .connector_map = trx40_mobo_connector_map,
},
{ /* ASUS ROG Zenith II */
.id = USB_ID(0x0b05, 0x1916),
@@ -512,11 +560,18 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
},
{ /* MSI TRX40 Creator */
.id = USB_ID(0x0db0, 0x0d64),
- .map = asus_rog_map,
+ .map = trx40_mobo_map,
+ .connector_map = trx40_mobo_connector_map,
},
{ /* MSI TRX40 */
.id = USB_ID(0x0db0, 0x543d),
- .map = asus_rog_map,
+ .map = trx40_mobo_map,
+ .connector_map = trx40_mobo_connector_map,
+ },
+ { /* Asrock TRX40 Creator */
+ .id = USB_ID(0x26ce, 0x0a01),
+ .map = trx40_mobo_map,
+ .connector_map = trx40_mobo_connector_map,
},
{ 0 } /* terminator */
};
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 02b036b2aefb..a5f65a9a0254 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1509,11 +1509,15 @@ static int snd_microii_spdif_default_get(struct snd_kcontrol *kcontrol,
/* use known values for that card: interface#1 altsetting#1 */
iface = usb_ifnum_to_if(chip->dev, 1);
- if (!iface || iface->num_altsetting < 2)
- return -EINVAL;
+ if (!iface || iface->num_altsetting < 2) {
+ err = -EINVAL;
+ goto end;
+ }
alts = &iface->altsetting[1];
- if (get_iface_desc(alts)->bNumEndpoints < 1)
- return -EINVAL;
+ if (get_iface_desc(alts)->bNumEndpoints < 1) {
+ err = -EINVAL;
+ goto end;
+ }
ep = get_endpoint(alts, 0)->bEndpointAddress;
err = snd_usb_ctl_msg(chip->dev,
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index e009d584e7d0..eb89902a83be 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2756,90 +2756,6 @@ YAMAHA_DEVICE(0x7010, "UB99"),
.type = QUIRK_MIDI_NOVATION
}
},
-{
- /*
- * Focusrite Scarlett Solo 2nd generation
- * Reports that playback should use Synch: Synchronous
- * while still providing a feedback endpoint. Synchronous causes
- * snapping on some sample rates.
- * Force it to use Synch: Asynchronous.
- */
- USB_DEVICE(0x1235, 0x8205),
- .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
- .ifnum = QUIRK_ANY_INTERFACE,
- .type = QUIRK_COMPOSITE,
- .data = (const struct snd_usb_audio_quirk[]) {
- {
- .ifnum = 1,
- .type = QUIRK_AUDIO_FIXED_ENDPOINT,
- .data = & (const struct audioformat) {
- .formats = SNDRV_PCM_FMTBIT_S32_LE,
- .channels = 2,
- .iface = 1,
- .altsetting = 1,
- .altset_idx = 1,
- .attributes = 0,
- .endpoint = 0x01,
- .ep_attr = USB_ENDPOINT_XFER_ISOC |
- USB_ENDPOINT_SYNC_ASYNC,
- .protocol = UAC_VERSION_2,
- .rates = SNDRV_PCM_RATE_44100 |
- SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_88200 |
- SNDRV_PCM_RATE_96000 |
- SNDRV_PCM_RATE_176400 |
- SNDRV_PCM_RATE_192000,
- .rate_min = 44100,
- .rate_max = 192000,
- .nr_rates = 6,
- .rate_table = (unsigned int[]) {
- 44100, 48000, 88200,
- 96000, 176400, 192000
- },
- .clock = 41
- }
- },
- {
- .ifnum = 2,
- .type = QUIRK_AUDIO_FIXED_ENDPOINT,
- .data = & (const struct audioformat) {
- .formats = SNDRV_PCM_FMTBIT_S32_LE,
- .channels = 2,
- .iface = 2,
- .altsetting = 1,
- .altset_idx = 1,
- .attributes = 0,
- .endpoint = 0x82,
- .ep_attr = USB_ENDPOINT_XFER_ISOC |
- USB_ENDPOINT_SYNC_ASYNC |
- USB_ENDPOINT_USAGE_IMPLICIT_FB,
- .protocol = UAC_VERSION_2,
- .rates = SNDRV_PCM_RATE_44100 |
- SNDRV_PCM_RATE_48000 |
- SNDRV_PCM_RATE_88200 |
- SNDRV_PCM_RATE_96000 |
- SNDRV_PCM_RATE_176400 |
- SNDRV_PCM_RATE_192000,
- .rate_min = 44100,
- .rate_max = 192000,
- .nr_rates = 6,
- .rate_table = (unsigned int[]) {
- 44100, 48000, 88200,
- 96000, 176400, 192000
- },
- .clock = 41
- }
- },
- {
- .ifnum = 3,
- .type = QUIRK_IGNORE_INTERFACE
- },
- {
- .ifnum = -1
- }
- }
- }
-},
/* Access Music devices */
{
@@ -3635,4 +3551,44 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
}
},
+#define ALC1220_VB_DESKTOP(vend, prod) { \
+ USB_DEVICE(vend, prod), \
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) { \
+ .vendor_name = "Realtek", \
+ .product_name = "ALC1220-VB-DT", \
+ .profile_name = "Realtek-ALC1220-VB-Desktop", \
+ .ifnum = QUIRK_NO_INTERFACE \
+ } \
+}
+ALC1220_VB_DESKTOP(0x0414, 0xa002), /* Gigabyte TRX40 Aorus Pro WiFi */
+ALC1220_VB_DESKTOP(0x0db0, 0x0d64), /* MSI TRX40 Creator */
+ALC1220_VB_DESKTOP(0x0db0, 0x543d), /* MSI TRX40 */
+ALC1220_VB_DESKTOP(0x26ce, 0x0a01), /* Asrock TRX40 Creator */
+#undef ALC1220_VB_DESKTOP
+
+/* Two entries for Gigabyte TRX40 Aorus Master:
+ * TRX40 Aorus Master has two USB-audio devices, one for the front headphone
+ * with ESS SABRE9218 DAC chip, while another for the rest I/O (the rear
+ * panel and the front mic) with Realtek ALC1220-VB.
+ * Here we provide two distinct names for making UCM profiles easier.
+ */
+{
+ USB_DEVICE(0x0414, 0xa000),
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+ .vendor_name = "Gigabyte",
+ .product_name = "Aorus Master Front Headphone",
+ .profile_name = "Gigabyte-Aorus-Master-Front-Headphone",
+ .ifnum = QUIRK_NO_INTERFACE
+ }
+},
+{
+ USB_DEVICE(0x0414, 0xa001),
+ .driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+ .vendor_name = "Gigabyte",
+ .product_name = "Aorus Master Main Audio",
+ .profile_name = "Gigabyte-Aorus-Master-Main-Audio",
+ .ifnum = QUIRK_NO_INTERFACE
+ }
+},
+
#undef USB_DEVICE_VENDOR_SPEC
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index a8ece1701068..d8a765be5dfe 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1636,13 +1636,14 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
msleep(20);
- /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here,
- * otherwise requests like get/set frequency return as failed despite
- * actually succeeding.
+ /* Zoom R16/24, Logitech H650e, Jabra 550a, Kingston HyperX needs a tiny
+ * delay here, otherwise requests like get/set frequency return as
+ * failed despite actually succeeding.
*/
if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
chip->usb_id == USB_ID(0x046d, 0x0a46) ||
- chip->usb_id == USB_ID(0x0b0e, 0x0349)) &&
+ chip->usb_id == USB_ID(0x0b0e, 0x0349) ||
+ chip->usb_id == USB_ID(0x0951, 0x16ad)) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
usleep_range(1000, 2000);
}
@@ -1687,7 +1688,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
- case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
+ case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
@@ -1806,6 +1807,20 @@ void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
*/
fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
break;
+ case USB_ID(0x1235, 0x8200): /* Focusrite Scarlett 2i4 2nd gen */
+ case USB_ID(0x1235, 0x8202): /* Focusrite Scarlett 2i2 2nd gen */
+ case USB_ID(0x1235, 0x8205): /* Focusrite Scarlett Solo 2nd gen */
+ /*
+ * Reports that playback should use Synch: Synchronous
+ * while still providing a feedback endpoint.
+ * Synchronous causes snapping on some sample rates.
+ * Force it to use Synch: Asynchronous.
+ */
+ if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
+ fp->ep_attr |= USB_ENDPOINT_SYNC_ASYNC;
+ }
+ break;
}
}
diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c
index 37d290fe9d43..ecaf41265dcd 100644
--- a/sound/usb/usx2y/usbusx2yaudio.c
+++ b/sound/usb/usx2y/usbusx2yaudio.c
@@ -681,6 +681,8 @@ static int usX2Y_rate_set(struct usX2Ydev *usX2Y, int rate)
us->submitted = 2*NOOF_SETRATE_URBS;
for (i = 0; i < NOOF_SETRATE_URBS; ++i) {
struct urb *urb = us->urb[i];
+ if (!urb)
+ continue;
if (urb->status) {
if (!err)
err = -ENODEV;
diff --git a/tools/arch/x86/include/asm/orc_types.h b/tools/arch/x86/include/asm/orc_types.h
index 6e060907c163..d25534940bde 100644
--- a/tools/arch/x86/include/asm/orc_types.h
+++ b/tools/arch/x86/include/asm/orc_types.h
@@ -58,8 +58,7 @@
#define ORC_TYPE_CALL 0
#define ORC_TYPE_REGS 1
#define ORC_TYPE_REGS_IRET 2
-#define UNWIND_HINT_TYPE_SAVE 3
-#define UNWIND_HINT_TYPE_RESTORE 4
+#define UNWIND_HINT_TYPE_RET_OFFSET 3
#ifndef __ASSEMBLY__
/*
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index 3f3f780c8c65..43e24903812c 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -400,6 +400,7 @@ struct kvm_sync_regs {
struct kvm_vmx_nested_state_data {
__u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
__u8 shadow_vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE];
+ __u64 preemption_timer_deadline;
};
struct kvm_vmx_nested_state_hdr {
diff --git a/tools/arch/x86/include/uapi/asm/unistd.h b/tools/arch/x86/include/uapi/asm/unistd.h
index 196fdd02b8b1..30d7d04d72d6 100644
--- a/tools/arch/x86/include/uapi/asm/unistd.h
+++ b/tools/arch/x86/include/uapi/asm/unistd.h
@@ -3,7 +3,7 @@
#define _UAPI_ASM_X86_UNISTD_H
/* x32 syscall flag bit */
-#define __X32_SYSCALL_BIT 0x40000000UL
+#define __X32_SYSCALL_BIT 0x40000000
#ifndef __KERNEL__
# ifdef __i386__
diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c
index 16b9a420e6fd..0efaf45f7367 100644
--- a/tools/bootconfig/main.c
+++ b/tools/bootconfig/main.c
@@ -314,6 +314,7 @@ int apply_xbc(const char *path, const char *xbc_path)
ret = delete_xbc(path);
if (ret < 0) {
pr_err("Failed to delete previous boot config: %d\n", ret);
+ free(data);
return ret;
}
@@ -321,24 +322,27 @@ int apply_xbc(const char *path, const char *xbc_path)
fd = open(path, O_RDWR | O_APPEND);
if (fd < 0) {
pr_err("Failed to open %s: %d\n", path, fd);
+ free(data);
return fd;
}
/* TODO: Ensure the @path is initramfs/initrd image */
ret = write(fd, data, size + 8);
if (ret < 0) {
pr_err("Failed to apply a boot config: %d\n", ret);
- return ret;
+ goto out;
}
/* Write a magic word of the bootconfig */
ret = write(fd, BOOTCONFIG_MAGIC, BOOTCONFIG_MAGIC_LEN);
if (ret < 0) {
pr_err("Failed to apply a boot config magic: %d\n", ret);
- return ret;
+ goto out;
}
+ ret = 0;
+out:
close(fd);
free(data);
- return 0;
+ return ret;
}
int usage(void)
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index f897eeeb0b4f..77472e28c8fd 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -64,12 +64,12 @@ $(OUTPUT)%.lex.c: $(srctree)/tools/bpf/%.l
$(QUIET_FLEX)$(LEX) -o $@ $<
$(OUTPUT)%.o: $(srctree)/tools/bpf/%.c
- $(QUIET_CC)$(COMPILE.c) -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
$(OUTPUT)%.yacc.o: $(OUTPUT)%.yacc.c
- $(QUIET_CC)$(COMPILE.c) -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
$(OUTPUT)%.lex.o: $(OUTPUT)%.lex.c
- $(QUIET_CC)$(COMPILE.c) -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -o $@ $<
PROGS = $(OUTPUT)bpf_jit_disasm $(OUTPUT)bpf_dbg $(OUTPUT)bpf_asm
diff --git a/tools/bpf/bpf_asm.c b/tools/bpf/bpf_asm.c
index e5f95e3eede3..0063c3c029e7 100644
--- a/tools/bpf/bpf_asm.c
+++ b/tools/bpf/bpf_asm.c
@@ -11,7 +11,7 @@
*
* How to get into it:
*
- * 1) read Documentation/networking/filter.txt
+ * 1) read Documentation/networking/filter.rst
* 2) Run `bpf_asm [-c] <filter-prog file>` to translate into binary
* blob that is loadable with xt_bpf, cls_bpf et al. Note: -c will
* pretty print a C-like construct.
diff --git a/tools/bpf/bpf_dbg.c b/tools/bpf/bpf_dbg.c
index 9d3766e653a9..a0ebcdf59c31 100644
--- a/tools/bpf/bpf_dbg.c
+++ b/tools/bpf/bpf_dbg.c
@@ -13,7 +13,7 @@
* for making a verdict when multiple simple BPF programs are combined
* into one in order to prevent parsing same headers multiple times.
*
- * More on how to debug BPF opcodes see Documentation/networking/filter.txt
+ * More on how to debug BPF opcodes see Documentation/networking/filter.rst
* which is the main document on BPF. Mini howto for getting started:
*
* 1) `./bpf_dbg` to enter the shell (shell cmds denoted with '>'):
diff --git a/tools/bpf/bpftool/Documentation/bpftool-btf.rst b/tools/bpf/bpftool/Documentation/bpftool-btf.rst
index 39615f8e145b..ce3a724f50c1 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-btf.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-btf.rst
@@ -230,9 +230,14 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-map**\ (8),
- **bpftool-prog**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
- **bpftool-perf**\ (8)
+ **bpftool-perf**\ (8),
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
index 06a28b07787d..a226aee3574f 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
@@ -20,7 +20,7 @@ SYNOPSIS
CGROUP COMMANDS
===============
-| **bpftool** **cgroup { show | list }** *CGROUP* [**effective**]
+| **bpftool** **cgroup** { **show** | **list** } *CGROUP* [**effective**]
| **bpftool** **cgroup tree** [*CGROUP_ROOT*] [**effective**]
| **bpftool** **cgroup attach** *CGROUP* *ATTACH_TYPE* *PROG* [*ATTACH_FLAGS*]
| **bpftool** **cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG*
@@ -29,8 +29,8 @@ CGROUP COMMANDS
| *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* }
| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** |
| **bind4** | **bind6** | **post_bind4** | **post_bind6** | **connect4** | **connect6** |
-| **sendmsg4** | **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** |
-| **getsockopt** | **setsockopt** }
+| **getpeername4** | **getpeername6** | **getsockname4** | **getsockname6** | **sendmsg4** |
+| **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** | **getsockopt** | **setsockopt** }
| *ATTACH_FLAGS* := { **multi** | **override** }
DESCRIPTION
@@ -101,7 +101,11 @@ DESCRIPTION
an unconnected udp6 socket (since 5.2);
**sysctl** sysctl access (since 5.2);
**getsockopt** call to getsockopt (since 5.3);
- **setsockopt** call to setsockopt (since 5.3).
+ **setsockopt** call to setsockopt (since 5.3);
+ **getpeername4** call to getpeername(2) for an inet4 socket (since 5.8);
+ **getpeername6** call to getpeername(2) for an inet6 socket (since 5.8);
+ **getsockname4** call to getsockname(2) for an inet4 socket (since 5.8);
+ **getsockname6** call to getsockname(2) for an inet6 socket (since 5.8).
**bpftool cgroup detach** *CGROUP* *ATTACH_TYPE* *PROG*
Detach *PROG* from the cgroup *CGROUP* and attach type
@@ -160,9 +164,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-feature.rst b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
index b04156cfd7a3..8609f06e71de 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-feature.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
@@ -19,7 +19,7 @@ SYNOPSIS
FEATURE COMMANDS
================
-| **bpftool** **feature probe** [*COMPONENT*] [**full**] [**macros** [**prefix** *PREFIX*]]
+| **bpftool** **feature probe** [*COMPONENT*] [**full**] [**unprivileged**] [**macros** [**prefix** *PREFIX*]]
| **bpftool** **feature help**
|
| *COMPONENT* := { **kernel** | **dev** *NAME* }
@@ -28,7 +28,7 @@ DESCRIPTION
===========
**bpftool feature probe** [**kernel**] [**full**] [**macros** [**prefix** *PREFIX*]]
Probe the running kernel and dump a number of eBPF-related
- parameters, such as availability of the **bpf()** system call,
+ parameters, such as availability of the **bpf**\ () system call,
JIT status, eBPF program types availability, eBPF helper
functions availability, and more.
@@ -49,6 +49,16 @@ DESCRIPTION
Keyword **kernel** can be omitted. If no probe target is
specified, probing the kernel is the default behaviour.
+ When the **unprivileged** keyword is used, bpftool will dump
+ only the features available to a user who does not have the
+ **CAP_SYS_ADMIN** capability set. The features available in
+ that case usually represent a small subset of the parameters
+ supported by the system. Unprivileged users MUST use the
+ **unprivileged** keyword: This is to avoid misdetection if
+ bpftool is inadvertently run as non-root, for example. This
+ keyword is unavailable if bpftool was compiled without
+ libcap.
+
**bpftool feature probe dev** *NAME* [**full**] [**macros** [**prefix** *PREFIX*]]
Probe network device for supported eBPF features and dump
results to the console.
@@ -83,9 +93,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-gen.rst b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
index 94d91322895a..df85dbd962c0 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-gen.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-gen.rst
@@ -14,7 +14,7 @@ SYNOPSIS
*OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] }
- *COMMAND* := { **skeleton | **help** }
+ *COMMAND* := { **skeleton** | **help** }
GEN COMMANDS
=============
@@ -36,12 +36,12 @@ DESCRIPTION
etc. Skeleton eliminates the need to lookup mentioned
components by name. Instead, if skeleton instantiation
succeeds, they are populated in skeleton structure as valid
- libbpf types (e.g., struct bpf_map pointer) and can be
+ libbpf types (e.g., **struct bpf_map** pointer) and can be
passed to existing generic libbpf APIs.
In addition to simple and reliable access to maps and
- programs, skeleton provides a storage for BPF links (struct
- bpf_link) for each BPF program within BPF object. When
+ programs, skeleton provides a storage for BPF links (**struct
+ bpf_link**) for each BPF program within BPF object. When
requested, supported BPF programs will be automatically
attached and resulting BPF links stored for further use by
user in pre-allocated fields in skeleton struct. For BPF
@@ -82,14 +82,14 @@ DESCRIPTION
- **example__open** and **example__open_opts**.
These functions are used to instantiate skeleton. It
- corresponds to libbpf's **bpf_object__open()** API.
+ corresponds to libbpf's **bpf_object__open**\ () API.
**_opts** variants accepts extra **bpf_object_open_opts**
options.
- **example__load**.
This function creates maps, loads and verifies BPF
programs, initializes global data maps. It corresponds to
- libppf's **bpf_object__load** API.
+ libppf's **bpf_object__load**\ () API.
- **example__open_and_load** combines **example__open** and
**example__load** invocations in one commonly used
@@ -296,10 +296,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-map**\ (8),
- **bpftool-prog**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-iter.rst b/tools/bpf/bpftool/Documentation/bpftool-iter.rst
new file mode 100644
index 000000000000..8dce698eab79
--- /dev/null
+++ b/tools/bpf/bpftool/Documentation/bpftool-iter.rst
@@ -0,0 +1,81 @@
+============
+bpftool-iter
+============
+-------------------------------------------------------------------------------
+tool to create BPF iterators
+-------------------------------------------------------------------------------
+
+:Manual section: 8
+
+SYNOPSIS
+========
+
+ **bpftool** [*OPTIONS*] **iter** *COMMAND*
+
+ *COMMANDS* := { **pin** | **help** }
+
+ITER COMMANDS
+===================
+
+| **bpftool** **iter pin** *OBJ* *PATH*
+| **bpftool** **iter help**
+|
+| *OBJ* := /a/file/of/bpf_iter_target.o
+
+DESCRIPTION
+===========
+ **bpftool iter pin** *OBJ* *PATH*
+ A bpf iterator combines a kernel iterating of
+ particular kernel data (e.g., tasks, bpf_maps, etc.)
+ and a bpf program called for each kernel data object
+ (e.g., one task, one bpf_map, etc.). User space can
+ *read* kernel iterator output through *read()* syscall.
+
+ The *pin* command creates a bpf iterator from *OBJ*,
+ and pin it to *PATH*. The *PATH* should be located
+ in *bpffs* mount. It must not contain a dot
+ character ('.'), which is reserved for future extensions
+ of *bpffs*.
+
+ User can then *cat PATH* to see the bpf iterator output.
+
+ **bpftool iter help**
+ Print short help message.
+
+OPTIONS
+=======
+ -h, --help
+ Print short generic help message (similar to **bpftool help**).
+
+ -V, --version
+ Print version number (similar to **bpftool version**).
+
+ -d, --debug
+ Print all logs available, even debug-level information. This
+ includes logs from libbpf as well as from the verifier, when
+ attempting to load programs.
+
+EXAMPLES
+========
+**# bpftool iter pin bpf_iter_netlink.o /sys/fs/bpf/my_netlink**
+
+::
+
+ Create a file-based bpf iterator from bpf_iter_netlink.o and pin it
+ to /sys/fs/bpf/my_netlink
+
+SEE ALSO
+========
+ **bpf**\ (2),
+ **bpf-helpers**\ (7),
+ **bpftool**\ (8),
+ **bpftool-btf**\ (8),
+ **bpftool-cgroup**\ (8),
+ **bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
+ **bpftool-net**\ (8),
+ **bpftool-perf**\ (8),
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-link.rst b/tools/bpf/bpftool/Documentation/bpftool-link.rst
new file mode 100644
index 000000000000..0e43d7b06c11
--- /dev/null
+++ b/tools/bpf/bpftool/Documentation/bpftool-link.rst
@@ -0,0 +1,121 @@
+================
+bpftool-link
+================
+-------------------------------------------------------------------------------
+tool for inspection and simple manipulation of eBPF links
+-------------------------------------------------------------------------------
+
+:Manual section: 8
+
+SYNOPSIS
+========
+
+ **bpftool** [*OPTIONS*] **link** *COMMAND*
+
+ *OPTIONS* := { { **-j** | **--json** } [{ **-p** | **--pretty** }] | { **-f** | **--bpffs** } }
+
+ *COMMANDS* := { **show** | **list** | **pin** | **help** }
+
+LINK COMMANDS
+=============
+
+| **bpftool** **link { show | list }** [*LINK*]
+| **bpftool** **link pin** *LINK* *FILE*
+| **bpftool** **link help**
+|
+| *LINK* := { **id** *LINK_ID* | **pinned** *FILE* }
+
+
+DESCRIPTION
+===========
+ **bpftool link { show | list }** [*LINK*]
+ Show information about active links. If *LINK* is
+ specified show information only about given link,
+ otherwise list all links currently active on the system.
+
+ Output will start with link ID followed by link type and
+ zero or more named attributes, some of which depend on type
+ of link.
+
+ **bpftool link pin** *LINK* *FILE*
+ Pin link *LINK* as *FILE*.
+
+ Note: *FILE* must be located in *bpffs* mount. It must not
+ contain a dot character ('.'), which is reserved for future
+ extensions of *bpffs*.
+
+ **bpftool link help**
+ Print short help message.
+
+OPTIONS
+=======
+ -h, --help
+ Print short generic help message (similar to **bpftool help**).
+
+ -V, --version
+ Print version number (similar to **bpftool version**).
+
+ -j, --json
+ Generate JSON output. For commands that cannot produce JSON, this
+ option has no effect.
+
+ -p, --pretty
+ Generate human-readable JSON output. Implies **-j**.
+
+ -f, --bpffs
+ When showing BPF links, show file names of pinned
+ links.
+
+ -n, --nomount
+ Do not automatically attempt to mount any virtual file system
+ (such as tracefs or BPF virtual file system) when necessary.
+
+ -d, --debug
+ Print all logs available, even debug-level information. This
+ includes logs from libbpf.
+
+EXAMPLES
+========
+**# bpftool link show**
+
+::
+
+ 10: cgroup prog 25
+ cgroup_id 614 attach_type egress
+
+**# bpftool --json --pretty link show**
+
+::
+
+ [{
+ "type": "cgroup",
+ "prog_id": 25,
+ "cgroup_id": 614,
+ "attach_type": "egress"
+ }
+ ]
+
+|
+| **# bpftool link pin id 10 /sys/fs/bpf/link**
+| **# ls -l /sys/fs/bpf/**
+
+::
+
+ -rw------- 1 root root 0 Apr 23 21:39 link
+
+
+SEE ALSO
+========
+ **bpf**\ (2),
+ **bpf-helpers**\ (7),
+ **bpftool**\ (8),
+ **bpftool-btf**\ (8),
+ **bpftool-cgroup**\ (8),
+ **bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-map**\ (8),
+ **bpftool-net**\ (8),
+ **bpftool-perf**\ (8),
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst
index cdeae8ae90ba..31101643e57c 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-map.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst
@@ -21,7 +21,7 @@ SYNOPSIS
MAP COMMANDS
=============
-| **bpftool** **map { show | list }** [*MAP*]
+| **bpftool** **map** { **show** | **list** } [*MAP*]
| **bpftool** **map create** *FILE* **type** *TYPE* **key** *KEY_SIZE* **value** *VALUE_SIZE* \
| **entries** *MAX_ENTRIES* **name** *NAME* [**flags** *FLAGS*] [**dev** *NAME*]
| **bpftool** **map dump** *MAP*
@@ -49,7 +49,7 @@ MAP COMMANDS
| | **lru_percpu_hash** | **lpm_trie** | **array_of_maps** | **hash_of_maps**
| | **devmap** | **devmap_hash** | **sockmap** | **cpumap** | **xskmap** | **sockhash**
| | **cgroup_storage** | **reuseport_sockarray** | **percpu_cgroup_storage**
-| | **queue** | **stack** }
+| | **queue** | **stack** | **sk_storage** | **struct_ops** }
DESCRIPTION
===========
@@ -66,6 +66,13 @@ DESCRIPTION
Create a new map with given parameters and pin it to *bpffs*
as *FILE*.
+ *FLAGS* should be an integer which is the combination of
+ desired flags, e.g. 1024 for **BPF_F_MMAPABLE** (see bpf.h
+ UAPI header for existing flags).
+
+ Keyword **dev** expects a network interface name, and is used
+ to request hardware offload for the map.
+
**bpftool map dump** *MAP*
Dump all entries in a given *MAP*. In case of **name**,
*MAP* may match several maps which will all be dumped.
@@ -78,7 +85,7 @@ DESCRIPTION
exists; **noexist** update only if entry doesn't exist.
If the **hex** keyword is provided in front of the bytes
- sequence, the bytes are parsed as hexadeximal values, even if
+ sequence, the bytes are parsed as hexadecimal values, even if
no "0x" prefix is added. If the keyword is not provided, then
the bytes are parsed as decimal values, unless a "0x" prefix
(for hexadecimal) or a "0" prefix (for octal) is provided.
@@ -100,10 +107,10 @@ DESCRIPTION
extensions of *bpffs*.
**bpftool** **map event_pipe** *MAP* [**cpu** *N* **index** *M*]
- Read events from a BPF_MAP_TYPE_PERF_EVENT_ARRAY map.
+ Read events from a **BPF_MAP_TYPE_PERF_EVENT_ARRAY** map.
Install perf rings into a perf event array map and dump
- output of any bpf_perf_event_output() call in the kernel.
+ output of any **bpf_perf_event_output**\ () call in the kernel.
By default read the number of CPUs on the system and
install perf ring for each CPU in the corresponding index
in the array.
@@ -116,24 +123,24 @@ DESCRIPTION
receiving events if it installed its rings earlier.
**bpftool map peek** *MAP*
- Peek next **value** in the queue or stack.
+ Peek next value in the queue or stack.
**bpftool map push** *MAP* **value** *VALUE*
- Push **value** onto the stack.
+ Push *VALUE* onto the stack.
**bpftool map pop** *MAP*
- Pop and print **value** from the stack.
+ Pop and print value from the stack.
**bpftool map enqueue** *MAP* **value** *VALUE*
- Enqueue **value** into the queue.
+ Enqueue *VALUE* into the queue.
**bpftool map dequeue** *MAP*
- Dequeue and print **value** from the queue.
+ Dequeue and print value from the queue.
**bpftool map freeze** *MAP*
Freeze the map as read-only from user space. Entries from a
frozen map can not longer be updated or deleted with the
- **bpf\ ()** system call. This operation is not reversible,
+ **bpf**\ () system call. This operation is not reversible,
and the map remains immutable from user space until its
destruction. However, read and write permissions for BPF
programs to the map remain unchanged.
@@ -269,9 +276,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-net.rst b/tools/bpf/bpftool/Documentation/bpftool-net.rst
index 8651b00b81ea..aa7450736179 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-net.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-net.rst
@@ -20,7 +20,7 @@ SYNOPSIS
NET COMMANDS
============
-| **bpftool** **net { show | list }** [ **dev** *NAME* ]
+| **bpftool** **net** { **show** | **list** } [ **dev** *NAME* ]
| **bpftool** **net attach** *ATTACH_TYPE* *PROG* **dev** *NAME* [ **overwrite** ]
| **bpftool** **net detach** *ATTACH_TYPE* **dev** *NAME*
| **bpftool** **net help**
@@ -194,9 +194,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-perf.rst b/tools/bpf/bpftool/Documentation/bpftool-perf.rst
index e252bd0bc434..9c592b7c6775 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-perf.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-perf.rst
@@ -20,7 +20,7 @@ SYNOPSIS
PERF COMMANDS
=============
-| **bpftool** **perf { show | list }**
+| **bpftool** **perf** { **show** | **list** }
| **bpftool** **perf help**
DESCRIPTION
@@ -85,9 +85,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index 9f19404f470e..2b254959d488 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -21,11 +21,11 @@ SYNOPSIS
PROG COMMANDS
=============
-| **bpftool** **prog { show | list }** [*PROG*]
+| **bpftool** **prog** { **show** | **list** } [*PROG*]
| **bpftool** **prog dump xlated** *PROG* [{**file** *FILE* | **opcodes** | **visual** | **linum**}]
| **bpftool** **prog dump jited** *PROG* [{**file** *FILE* | **opcodes** | **linum**}]
| **bpftool** **prog pin** *PROG* *FILE*
-| **bpftool** **prog { load | loadall }** *OBJ* *PATH* [**type** *TYPE*] [**map** {**idx** *IDX* | **name** *NAME*} *MAP*] [**dev** *NAME*] [**pinmaps** *MAP_DIR*]
+| **bpftool** **prog** { **load** | **loadall** } *OBJ* *PATH* [**type** *TYPE*] [**map** {**idx** *IDX* | **name** *NAME*} *MAP*] [**dev** *NAME*] [**pinmaps** *MAP_DIR*]
| **bpftool** **prog attach** *PROG* *ATTACH_TYPE* [*MAP*]
| **bpftool** **prog detach** *PROG* *ATTACH_TYPE* [*MAP*]
| **bpftool** **prog tracelog**
@@ -41,7 +41,8 @@ PROG COMMANDS
| **cgroup/sock** | **cgroup/dev** | **lwt_in** | **lwt_out** | **lwt_xmit** |
| **lwt_seg6local** | **sockops** | **sk_skb** | **sk_msg** | **lirc_mode2** |
| **cgroup/bind4** | **cgroup/bind6** | **cgroup/post_bind4** | **cgroup/post_bind6** |
-| **cgroup/connect4** | **cgroup/connect6** | **cgroup/sendmsg4** | **cgroup/sendmsg6** |
+| **cgroup/connect4** | **cgroup/connect6** | **cgroup/getpeername4** | **cgroup/getpeername6** |
+| **cgroup/getsockname4** | **cgroup/getsockname6** | **cgroup/sendmsg4** | **cgroup/sendmsg6** |
| **cgroup/recvmsg4** | **cgroup/recvmsg6** | **cgroup/sysctl** |
| **cgroup/getsockopt** | **cgroup/setsockopt** |
| **struct_ops** | **fentry** | **fexit** | **freplace**
@@ -49,7 +50,7 @@ PROG COMMANDS
| *ATTACH_TYPE* := {
| **msg_verdict** | **stream_verdict** | **stream_parser** | **flow_dissector**
| }
-| *METRIC* := {
+| *METRICs* := {
| **cycles** | **instructions** | **l1d_loads** | **llc_misses**
| }
@@ -155,7 +156,7 @@ DESCRIPTION
**bpftool prog tracelog**
Dump the trace pipe of the system to the console (stdout).
Hit <Ctrl+C> to stop printing. BPF programs can write to this
- trace pipe at runtime with the **bpf_trace_printk()** helper.
+ trace pipe at runtime with the **bpf_trace_printk**\ () helper.
This should be used only for debugging purposes. For
streaming data from BPF programs to user space, one can use
perf events (see also **bpftool-map**\ (8)).
@@ -195,9 +196,9 @@ DESCRIPTION
**bpftool prog profile** *PROG* [**duration** *DURATION*] *METRICs*
Profile *METRICs* for bpf program *PROG* for *DURATION*
- seconds or until user hits Ctrl-C. *DURATION* is optional.
+ seconds or until user hits <Ctrl+C>. *DURATION* is optional.
If *DURATION* is not specified, the profiling will run up to
- UINT_MAX seconds.
+ **UINT_MAX** seconds.
**bpftool prog help**
Print short help message.
@@ -267,7 +268,7 @@ EXAMPLES
|
| **# bpftool prog dump xlated id 10 file /tmp/t**
-| **# ls -l /tmp/t**
+| **$ ls -l /tmp/t**
::
@@ -325,6 +326,7 @@ EXAMPLES
| **# bpftool prog profile id 337 duration 10 cycles instructions llc_misses**
::
+
51397 run_cnt
40176203 cycles (83.05%)
42518139 instructions # 1.06 insns per cycle (83.39%)
@@ -335,9 +337,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
index f045cc89dd6d..d93cd1cb8b0f 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-struct_ops.rst
@@ -105,12 +105,13 @@ SEE ALSO
**bpf**\ (2),
**bpf-helpers**\ (7),
**bpftool**\ (8),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8)
- **bpftool-gen**\ (8)
-
+ **bpftool-prog**\ (8)
diff --git a/tools/bpf/bpftool/Documentation/bpftool.rst b/tools/bpf/bpftool/Documentation/bpftool.rst
index 34239fda69ed..420d4d5df8b6 100644
--- a/tools/bpf/bpftool/Documentation/bpftool.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool.rst
@@ -75,11 +75,14 @@ SEE ALSO
========
**bpf**\ (2),
**bpf-helpers**\ (7),
- **bpftool-prog**\ (8),
- **bpftool-map**\ (8),
+ **bpftool-btf**\ (8),
**bpftool-cgroup**\ (8),
**bpftool-feature**\ (8),
+ **bpftool-gen**\ (8),
+ **bpftool-iter**\ (8),
+ **bpftool-link**\ (8),
+ **bpftool-map**\ (8),
**bpftool-net**\ (8),
**bpftool-perf**\ (8),
- **bpftool-btf**\ (8),
- **bpftool-gen**\ (8),
+ **bpftool-prog**\ (8),
+ **bpftool-struct_ops**\ (8)
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index f584d1fdfc64..9e85f101be85 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -55,16 +55,15 @@ ifneq ($(EXTRA_LDFLAGS),)
LDFLAGS += $(EXTRA_LDFLAGS)
endif
-LIBS = $(LIBBPF) -lelf -lz
-
INSTALL ?= install
RM ?= rm -f
CLANG ?= clang
FEATURE_USER = .bpftool
-FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib \
+FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \
+ clang-bpf-global-var
+FEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \
clang-bpf-global-var
-FEATURE_DISPLAY = libbfd disassembler-four-args zlib clang-bpf-global-var
check_feat := 1
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
@@ -90,6 +89,12 @@ ifeq ($(feature-reallocarray), 0)
CFLAGS += -DCOMPAT_NEED_REALLOCARRAY
endif
+LIBS = $(LIBBPF) -lelf -lz
+ifeq ($(feature-libcap), 1)
+CFLAGS += -DUSE_LIBCAP
+LIBS += -lcap
+endif
+
include $(wildcard $(OUTPUT)*.d)
all: $(OUTPUT)bpftool
@@ -121,7 +126,7 @@ else
endif
$(OUTPUT)_prog.o: prog.c
- $(QUIET_CC)$(COMPILE.c) -MMD -DBPFTOOL_WITHOUT_SKELETONS -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -DBPFTOOL_WITHOUT_SKELETONS -o $@ $<
$(OUTPUT)_bpftool: $(_OBJS) $(LIBBPF)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(_OBJS) $(LIBS)
@@ -136,10 +141,10 @@ profiler.skel.h: $(OUTPUT)_bpftool skeleton/profiler.bpf.o
$(QUIET_GEN)$(OUTPUT)./_bpftool gen skeleton skeleton/profiler.bpf.o > $@
$(OUTPUT)prog.o: prog.c profiler.skel.h
- $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
- $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
$(OUTPUT)feature.o: | zdep
@@ -147,7 +152,7 @@ $(OUTPUT)bpftool: $(__OBJS) $(LIBBPF)
$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(__OBJS) $(LIBS)
$(OUTPUT)%.o: %.c
- $(QUIET_CC)$(COMPILE.c) -MMD -o $@ $<
+ $(QUIET_CC)$(CC) $(CFLAGS) -c -MMD -o $@ $<
clean: $(LIBBPF)-clean
$(call QUIET_CLEAN, bpftool)
diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 45ee99b159e2..25b25aca1112 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -98,6 +98,12 @@ _bpftool_get_btf_ids()
command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) )
}
+_bpftool_get_link_ids()
+{
+ COMPREPLY+=( $( compgen -W "$( bpftool -jp link 2>&1 | \
+ command sed -n 's/.*"id": \(.*\),$/\1/p' )" -- "$cur" ) )
+}
+
_bpftool_get_obj_map_names()
{
local obj
@@ -466,6 +472,8 @@ _bpftool()
lwt_seg6local sockops sk_skb sk_msg \
lirc_mode2 cgroup/bind4 cgroup/bind6 \
cgroup/connect4 cgroup/connect6 \
+ cgroup/getpeername4 cgroup/getpeername6 \
+ cgroup/getsockname4 cgroup/getsockname6 \
cgroup/sendmsg4 cgroup/sendmsg6 \
cgroup/recvmsg4 cgroup/recvmsg6 \
cgroup/post_bind4 cgroup/post_bind6 \
@@ -604,6 +612,19 @@ _bpftool()
;;
esac
;;
+ iter)
+ case $command in
+ pin)
+ _filedir
+ return 0
+ ;;
+ *)
+ [[ $prev == $object ]] && \
+ COMPREPLY=( $( compgen -W 'pin help' \
+ -- "$cur" ) )
+ ;;
+ esac
+ ;;
map)
local MAP_TYPE='id pinned name'
case $command in
@@ -947,9 +968,10 @@ _bpftool()
;;
attach|detach)
local ATTACH_TYPES='ingress egress sock_create sock_ops \
- device bind4 bind6 post_bind4 post_bind6 connect4 \
- connect6 sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl \
- getsockopt setsockopt'
+ device bind4 bind6 post_bind4 post_bind6 connect4 connect6 \
+ getpeername4 getpeername6 getsockname4 getsockname6 \
+ sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \
+ setsockopt'
local ATTACH_FLAGS='multi override'
local PROG_TYPE='id pinned tag name'
case $prev in
@@ -958,9 +980,9 @@ _bpftool()
return 0
;;
ingress|egress|sock_create|sock_ops|device|bind4|bind6|\
- post_bind4|post_bind6|connect4|connect6|sendmsg4|\
- sendmsg6|recvmsg4|recvmsg6|sysctl|getsockopt|\
- setsockopt)
+ post_bind4|post_bind6|connect4|connect6|getpeername4|\
+ getpeername6|getsockname4|getsockname6|sendmsg4|sendmsg6|\
+ recvmsg4|recvmsg6|sysctl|getsockopt|setsockopt)
COMPREPLY=( $( compgen -W "$PROG_TYPE" -- \
"$cur" ) )
return 0
@@ -1073,7 +1095,7 @@ _bpftool()
COMPREPLY+=( $( compgen -W 'macros' -- "$cur" ) )
fi
_bpftool_one_of_list 'kernel dev'
- _bpftool_once_attr 'full'
+ _bpftool_once_attr 'full unprivileged'
return 0
;;
*)
@@ -1082,6 +1104,39 @@ _bpftool()
;;
esac
;;
+ link)
+ case $command in
+ show|list|pin)
+ case $prev in
+ id)
+ _bpftool_get_link_ids
+ return 0
+ ;;
+ esac
+ ;;
+ esac
+
+ local LINK_TYPE='id pinned'
+ case $command in
+ show|list)
+ [[ $prev != "$command" ]] && return 0
+ COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) )
+ return 0
+ ;;
+ pin)
+ if [[ $prev == "$command" ]]; then
+ COMPREPLY=( $( compgen -W "$LINK_TYPE" -- "$cur" ) )
+ else
+ _filedir
+ fi
+ return 0
+ ;;
+ *)
+ [[ $prev == $object ]] && \
+ COMPREPLY=( $( compgen -W 'help pin show list' -- "$cur" ) )
+ ;;
+ esac
+ ;;
esac
} &&
complete -F _bpftool bpftool
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index bcaf55b59498..faac8189b285 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -15,7 +15,6 @@
#include <linux/hashtable.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <unistd.h>
#include "json_writer.h"
#include "main.h"
@@ -554,7 +553,7 @@ static int do_dump(int argc, char **argv)
btf = btf__parse_elf(*argv, NULL);
if (IS_ERR(btf)) {
- err = PTR_ERR(btf);
+ err = -PTR_ERR(btf);
btf = NULL;
p_err("failed to load BTF from %s: %s",
*argv, strerror(err));
@@ -952,9 +951,9 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s btf { show | list } [id BTF_ID]\n"
- " %s btf dump BTF_SRC [format FORMAT]\n"
- " %s btf help\n"
+ "Usage: %1$s %2$s { show | list } [id BTF_ID]\n"
+ " %1$s %2$s dump BTF_SRC [format FORMAT]\n"
+ " %1$s %2$s help\n"
"\n"
" BTF_SRC := { id BTF_ID | prog PROG | map MAP [{key | value | kv | all}] | file FILE }\n"
" FORMAT := { raw | c }\n"
@@ -962,7 +961,7 @@ static int do_help(int argc, char **argv)
" " HELP_SPEC_PROGRAM "\n"
" " HELP_SPEC_OPTIONS "\n"
"",
- bin_name, bin_name, bin_name);
+ bin_name, "btf");
return 0;
}
diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c
index 497807bec675..ede162f83eea 100644
--- a/tools/bpf/bpftool/btf_dumper.c
+++ b/tools/bpf/bpftool/btf_dumper.c
@@ -271,8 +271,8 @@ static void btf_int128_print(json_writer_t *jw, const void *data,
}
}
-static void btf_int128_shift(__u64 *print_num, u16 left_shift_bits,
- u16 right_shift_bits)
+static void btf_int128_shift(__u64 *print_num, __u16 left_shift_bits,
+ __u16 right_shift_bits)
{
__u64 upper_num, lower_num;
diff --git a/tools/bpf/bpftool/cfg.c b/tools/bpf/bpftool/cfg.c
index 3e21f994f262..1951219a9af7 100644
--- a/tools/bpf/bpftool/cfg.c
+++ b/tools/bpf/bpftool/cfg.c
@@ -157,7 +157,7 @@ static bool cfg_partition_funcs(struct cfg *cfg, struct bpf_insn *cur,
return false;
}
-static bool is_jmp_insn(u8 code)
+static bool is_jmp_insn(__u8 code)
{
return BPF_CLASS(code) == BPF_JMP || BPF_CLASS(code) == BPF_JMP32;
}
@@ -176,7 +176,7 @@ static bool func_partition_bb_head(struct func_node *func)
for (; cur <= end; cur++) {
if (is_jmp_insn(cur->code)) {
- u8 opcode = BPF_OP(cur->code);
+ __u8 opcode = BPF_OP(cur->code);
if (opcode == BPF_EXIT || opcode == BPF_CALL)
continue;
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index 62c6a1d7cd18..d901cc1b904a 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -25,48 +25,27 @@
" ATTACH_TYPE := { ingress | egress | sock_create |\n" \
" sock_ops | device | bind4 | bind6 |\n" \
" post_bind4 | post_bind6 | connect4 |\n" \
- " connect6 | sendmsg4 | sendmsg6 |\n" \
- " recvmsg4 | recvmsg6 | sysctl |\n" \
- " getsockopt | setsockopt }"
+ " connect6 | getpeername4 | getpeername6 |\n" \
+ " getsockname4 | getsockname6 | sendmsg4 |\n" \
+ " sendmsg6 | recvmsg4 | recvmsg6 |\n" \
+ " sysctl | getsockopt | setsockopt }"
static unsigned int query_flags;
-static const char * const attach_type_strings[] = {
- [BPF_CGROUP_INET_INGRESS] = "ingress",
- [BPF_CGROUP_INET_EGRESS] = "egress",
- [BPF_CGROUP_INET_SOCK_CREATE] = "sock_create",
- [BPF_CGROUP_SOCK_OPS] = "sock_ops",
- [BPF_CGROUP_DEVICE] = "device",
- [BPF_CGROUP_INET4_BIND] = "bind4",
- [BPF_CGROUP_INET6_BIND] = "bind6",
- [BPF_CGROUP_INET4_CONNECT] = "connect4",
- [BPF_CGROUP_INET6_CONNECT] = "connect6",
- [BPF_CGROUP_INET4_POST_BIND] = "post_bind4",
- [BPF_CGROUP_INET6_POST_BIND] = "post_bind6",
- [BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4",
- [BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6",
- [BPF_CGROUP_SYSCTL] = "sysctl",
- [BPF_CGROUP_UDP4_RECVMSG] = "recvmsg4",
- [BPF_CGROUP_UDP6_RECVMSG] = "recvmsg6",
- [BPF_CGROUP_GETSOCKOPT] = "getsockopt",
- [BPF_CGROUP_SETSOCKOPT] = "setsockopt",
- [__MAX_BPF_ATTACH_TYPE] = NULL,
-};
-
static enum bpf_attach_type parse_attach_type(const char *str)
{
enum bpf_attach_type type;
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
- if (attach_type_strings[type] &&
- is_prefix(str, attach_type_strings[type]))
+ if (attach_type_name[type] &&
+ is_prefix(str, attach_type_name[type]))
return type;
}
return __MAX_BPF_ATTACH_TYPE;
}
-static int show_bpf_prog(int id, const char *attach_type_str,
+static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
const char *attach_flags_str,
int level)
{
@@ -86,18 +65,22 @@ static int show_bpf_prog(int id, const char *attach_type_str,
if (json_output) {
jsonw_start_object(json_wtr);
jsonw_uint_field(json_wtr, "id", info.id);
- jsonw_string_field(json_wtr, "attach_type",
- attach_type_str);
+ if (attach_type < ARRAY_SIZE(attach_type_name))
+ jsonw_string_field(json_wtr, "attach_type",
+ attach_type_name[attach_type]);
+ else
+ jsonw_uint_field(json_wtr, "attach_type", attach_type);
jsonw_string_field(json_wtr, "attach_flags",
attach_flags_str);
jsonw_string_field(json_wtr, "name", info.name);
jsonw_end_object(json_wtr);
} else {
- printf("%s%-8u %-15s %-15s %-15s\n", level ? " " : "",
- info.id,
- attach_type_str,
- attach_flags_str,
- info.name);
+ printf("%s%-8u ", level ? " " : "", info.id);
+ if (attach_type < ARRAY_SIZE(attach_type_name))
+ printf("%-15s", attach_type_name[attach_type]);
+ else
+ printf("type %-10u", attach_type);
+ printf(" %-15s %-15s\n", attach_flags_str, info.name);
}
close(prog_fd);
@@ -171,7 +154,7 @@ static int show_attached_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
}
for (iter = 0; iter < prog_cnt; iter++)
- show_bpf_prog(prog_ids[iter], attach_type_strings[type],
+ show_bpf_prog(prog_ids[iter], type,
attach_flags_str, level);
return 0;
@@ -508,20 +491,18 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s { show | list } CGROUP [**effective**]\n"
- " %s %s tree [CGROUP_ROOT] [**effective**]\n"
- " %s %s attach CGROUP ATTACH_TYPE PROG [ATTACH_FLAGS]\n"
- " %s %s detach CGROUP ATTACH_TYPE PROG\n"
- " %s %s help\n"
+ "Usage: %1$s %2$s { show | list } CGROUP [**effective**]\n"
+ " %1$s %2$s tree [CGROUP_ROOT] [**effective**]\n"
+ " %1$s %2$s attach CGROUP ATTACH_TYPE PROG [ATTACH_FLAGS]\n"
+ " %1$s %2$s detach CGROUP ATTACH_TYPE PROG\n"
+ " %1$s %2$s help\n"
"\n"
HELP_SPEC_ATTACH_TYPES "\n"
" " HELP_SPEC_ATTACH_FLAGS "\n"
" " HELP_SPEC_PROGRAM "\n"
" " HELP_SPEC_OPTIONS "\n"
"",
- bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2]);
+ bin_name, argv[-2]);
return 0;
}
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index f2223dbdfb0a..c47bdc65de8e 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -262,6 +262,8 @@ int get_fd_type(int fd)
return BPF_OBJ_MAP;
else if (strstr(buf, "bpf-prog"))
return BPF_OBJ_PROG;
+ else if (strstr(buf, "bpf-link"))
+ return BPF_OBJ_LINK;
return BPF_OBJ_UNKNOWN;
}
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
index 88718ee6a438..768bf77df886 100644
--- a/tools/bpf/bpftool/feature.c
+++ b/tools/bpf/bpftool/feature.c
@@ -6,6 +6,9 @@
#include <string.h>
#include <unistd.h>
#include <net/if.h>
+#ifdef USE_LIBCAP
+#include <sys/capability.h>
+#endif
#include <sys/utsname.h>
#include <sys/vfs.h>
@@ -35,6 +38,11 @@ static const char * const helper_name[] = {
#undef BPF_HELPER_MAKE_ENTRY
+static bool full_mode;
+#ifdef USE_LIBCAP
+static bool run_as_unprivileged;
+#endif
+
/* Miscellaneous utility functions */
static bool check_procfs(void)
@@ -72,13 +80,12 @@ print_bool_feature(const char *feat_name, const char *plain_name,
printf("%s is %savailable\n", plain_name, res ? "" : "NOT ");
}
-static void print_kernel_option(const char *name, const char *value)
+static void print_kernel_option(const char *name, const char *value,
+ const char *define_prefix)
{
char *endptr;
int res;
- /* No support for C-style ouptut */
-
if (json_output) {
if (!value) {
jsonw_null_field(json_wtr, name);
@@ -90,6 +97,12 @@ static void print_kernel_option(const char *name, const char *value)
jsonw_int_field(json_wtr, name, res);
else
jsonw_string_field(json_wtr, name, value);
+ } else if (define_prefix) {
+ if (value)
+ printf("#define %s%s %s\n", define_prefix,
+ name, value);
+ else
+ printf("/* %s%s is not set */\n", define_prefix, name);
} else {
if (value)
printf("%s is set to %s\n", name, value);
@@ -307,77 +320,84 @@ static bool read_next_kernel_config_option(gzFile file, char *buf, size_t n,
return false;
}
-static void probe_kernel_image_config(void)
+static void probe_kernel_image_config(const char *define_prefix)
{
- static const char * const options[] = {
+ static const struct {
+ const char * const name;
+ bool macro_dump;
+ } options[] = {
/* Enable BPF */
- "CONFIG_BPF",
+ { "CONFIG_BPF", },
/* Enable bpf() syscall */
- "CONFIG_BPF_SYSCALL",
+ { "CONFIG_BPF_SYSCALL", },
/* Does selected architecture support eBPF JIT compiler */
- "CONFIG_HAVE_EBPF_JIT",
+ { "CONFIG_HAVE_EBPF_JIT", },
/* Compile eBPF JIT compiler */
- "CONFIG_BPF_JIT",
+ { "CONFIG_BPF_JIT", },
/* Avoid compiling eBPF interpreter (use JIT only) */
- "CONFIG_BPF_JIT_ALWAYS_ON",
+ { "CONFIG_BPF_JIT_ALWAYS_ON", },
/* cgroups */
- "CONFIG_CGROUPS",
+ { "CONFIG_CGROUPS", },
/* BPF programs attached to cgroups */
- "CONFIG_CGROUP_BPF",
+ { "CONFIG_CGROUP_BPF", },
/* bpf_get_cgroup_classid() helper */
- "CONFIG_CGROUP_NET_CLASSID",
+ { "CONFIG_CGROUP_NET_CLASSID", },
/* bpf_skb_{,ancestor_}cgroup_id() helpers */
- "CONFIG_SOCK_CGROUP_DATA",
+ { "CONFIG_SOCK_CGROUP_DATA", },
/* Tracing: attach BPF to kprobes, tracepoints, etc. */
- "CONFIG_BPF_EVENTS",
+ { "CONFIG_BPF_EVENTS", },
/* Kprobes */
- "CONFIG_KPROBE_EVENTS",
+ { "CONFIG_KPROBE_EVENTS", },
/* Uprobes */
- "CONFIG_UPROBE_EVENTS",
+ { "CONFIG_UPROBE_EVENTS", },
/* Tracepoints */
- "CONFIG_TRACING",
+ { "CONFIG_TRACING", },
/* Syscall tracepoints */
- "CONFIG_FTRACE_SYSCALLS",
+ { "CONFIG_FTRACE_SYSCALLS", },
/* bpf_override_return() helper support for selected arch */
- "CONFIG_FUNCTION_ERROR_INJECTION",
+ { "CONFIG_FUNCTION_ERROR_INJECTION", },
/* bpf_override_return() helper */
- "CONFIG_BPF_KPROBE_OVERRIDE",
+ { "CONFIG_BPF_KPROBE_OVERRIDE", },
/* Network */
- "CONFIG_NET",
+ { "CONFIG_NET", },
/* AF_XDP sockets */
- "CONFIG_XDP_SOCKETS",
+ { "CONFIG_XDP_SOCKETS", },
/* BPF_PROG_TYPE_LWT_* and related helpers */
- "CONFIG_LWTUNNEL_BPF",
+ { "CONFIG_LWTUNNEL_BPF", },
/* BPF_PROG_TYPE_SCHED_ACT, TC (traffic control) actions */
- "CONFIG_NET_ACT_BPF",
+ { "CONFIG_NET_ACT_BPF", },
/* BPF_PROG_TYPE_SCHED_CLS, TC filters */
- "CONFIG_NET_CLS_BPF",
+ { "CONFIG_NET_CLS_BPF", },
/* TC clsact qdisc */
- "CONFIG_NET_CLS_ACT",
+ { "CONFIG_NET_CLS_ACT", },
/* Ingress filtering with TC */
- "CONFIG_NET_SCH_INGRESS",
+ { "CONFIG_NET_SCH_INGRESS", },
/* bpf_skb_get_xfrm_state() helper */
- "CONFIG_XFRM",
+ { "CONFIG_XFRM", },
/* bpf_get_route_realm() helper */
- "CONFIG_IP_ROUTE_CLASSID",
+ { "CONFIG_IP_ROUTE_CLASSID", },
/* BPF_PROG_TYPE_LWT_SEG6_LOCAL and related helpers */
- "CONFIG_IPV6_SEG6_BPF",
+ { "CONFIG_IPV6_SEG6_BPF", },
/* BPF_PROG_TYPE_LIRC_MODE2 and related helpers */
- "CONFIG_BPF_LIRC_MODE2",
+ { "CONFIG_BPF_LIRC_MODE2", },
/* BPF stream parser and BPF socket maps */
- "CONFIG_BPF_STREAM_PARSER",
+ { "CONFIG_BPF_STREAM_PARSER", },
/* xt_bpf module for passing BPF programs to netfilter */
- "CONFIG_NETFILTER_XT_MATCH_BPF",
+ { "CONFIG_NETFILTER_XT_MATCH_BPF", },
/* bpfilter back-end for iptables */
- "CONFIG_BPFILTER",
+ { "CONFIG_BPFILTER", },
/* bpftilter module with "user mode helper" */
- "CONFIG_BPFILTER_UMH",
+ { "CONFIG_BPFILTER_UMH", },
/* test_bpf module for BPF tests */
- "CONFIG_TEST_BPF",
+ { "CONFIG_TEST_BPF", },
+
+ /* Misc configs useful in BPF C programs */
+ /* jiffies <-> sec conversion for bpf_jiffies64() helper */
+ { "CONFIG_HZ", true, }
};
char *values[ARRAY_SIZE(options)] = { };
struct utsname utsn;
@@ -419,7 +439,8 @@ static void probe_kernel_image_config(void)
while (read_next_kernel_config_option(file, buf, sizeof(buf), &value)) {
for (i = 0; i < ARRAY_SIZE(options); i++) {
- if (values[i] || strcmp(buf, options[i]))
+ if ((define_prefix && !options[i].macro_dump) ||
+ values[i] || strcmp(buf, options[i].name))
continue;
values[i] = strdup(value);
@@ -431,7 +452,9 @@ end_parse:
gzclose(file);
for (i = 0; i < ARRAY_SIZE(options); i++) {
- print_kernel_option(options[i], values[i]);
+ if (define_prefix && !options[i].macro_dump)
+ continue;
+ print_kernel_option(options[i].name, values[i], define_prefix);
free(values[i]);
}
}
@@ -471,6 +494,13 @@ probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types,
}
res = bpf_probe_prog_type(prog_type, ifindex);
+#ifdef USE_LIBCAP
+ /* Probe may succeed even if program load fails, for unprivileged users
+ * check that we did not fail because of insufficient permissions
+ */
+ if (run_as_unprivileged && errno == EPERM)
+ res = false;
+#endif
supported_types[prog_type] |= res;
@@ -499,6 +529,10 @@ probe_map_type(enum bpf_map_type map_type, const char *define_prefix,
res = bpf_probe_map_type(map_type, ifindex);
+ /* Probe result depends on the success of map creation, no additional
+ * check required for unprivileged users
+ */
+
maxlen = sizeof(plain_desc) - strlen(plain_comment) - 1;
if (strlen(map_type_name[map_type]) > maxlen) {
p_info("map type name too long");
@@ -518,12 +552,19 @@ probe_helper_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
const char *define_prefix, unsigned int id,
const char *ptype_name, __u32 ifindex)
{
- bool res;
+ bool res = false;
- if (!supported_type)
- res = false;
- else
+ if (supported_type) {
res = bpf_probe_helper(id, prog_type, ifindex);
+#ifdef USE_LIBCAP
+ /* Probe may succeed even if program load fails, for
+ * unprivileged users check that we did not fail because of
+ * insufficient permissions
+ */
+ if (run_as_unprivileged && errno == EPERM)
+ res = false;
+#endif
+ }
if (json_output) {
if (res)
@@ -540,8 +581,7 @@ probe_helper_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
static void
probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
- const char *define_prefix, bool full_mode,
- __u32 ifindex)
+ const char *define_prefix, __u32 ifindex)
{
const char *ptype_name = prog_type_name[prog_type];
char feat_name[128];
@@ -607,23 +647,22 @@ section_system_config(enum probe_component target, const char *define_prefix)
switch (target) {
case COMPONENT_KERNEL:
case COMPONENT_UNSPEC:
- if (define_prefix)
- break;
-
print_start_section("system_config",
"Scanning system configuration...",
- NULL, /* define_comment never used here */
- NULL); /* define_prefix always NULL here */
- if (check_procfs()) {
- probe_unprivileged_disabled();
- probe_jit_enable();
- probe_jit_harden();
- probe_jit_kallsyms();
- probe_jit_limit();
- } else {
- p_info("/* procfs not mounted, skipping related probes */");
+ "/*** Misc kernel config items ***/",
+ define_prefix);
+ if (!define_prefix) {
+ if (check_procfs()) {
+ probe_unprivileged_disabled();
+ probe_jit_enable();
+ probe_jit_harden();
+ probe_jit_kallsyms();
+ probe_jit_limit();
+ } else {
+ p_info("/* procfs not mounted, skipping related probes */");
+ }
}
- probe_kernel_image_config();
+ probe_kernel_image_config(define_prefix);
print_end_section();
break;
default:
@@ -678,8 +717,7 @@ static void section_map_types(const char *define_prefix, __u32 ifindex)
}
static void
-section_helpers(bool *supported_types, const char *define_prefix,
- bool full_mode, __u32 ifindex)
+section_helpers(bool *supported_types, const char *define_prefix, __u32 ifindex)
{
unsigned int i;
@@ -704,8 +742,8 @@ section_helpers(bool *supported_types, const char *define_prefix,
define_prefix, define_prefix, define_prefix,
define_prefix);
for (i = BPF_PROG_TYPE_UNSPEC + 1; i < ARRAY_SIZE(prog_type_name); i++)
- probe_helpers_for_progtype(i, supported_types[i],
- define_prefix, full_mode, ifindex);
+ probe_helpers_for_progtype(i, supported_types[i], define_prefix,
+ ifindex);
print_end_section();
}
@@ -720,23 +758,133 @@ static void section_misc(const char *define_prefix, __u32 ifindex)
print_end_section();
}
+#ifdef USE_LIBCAP
+#define capability(c) { c, false, #c }
+#define capability_msg(a, i) a[i].set ? "" : a[i].name, a[i].set ? "" : ", "
+#endif
+
+static int handle_perms(void)
+{
+#ifdef USE_LIBCAP
+ struct {
+ cap_value_t cap;
+ bool set;
+ char name[14]; /* strlen("CAP_SYS_ADMIN") */
+ } bpf_caps[] = {
+ capability(CAP_SYS_ADMIN),
+#ifdef CAP_BPF
+ capability(CAP_BPF),
+ capability(CAP_NET_ADMIN),
+ capability(CAP_PERFMON),
+#endif
+ };
+ cap_value_t cap_list[ARRAY_SIZE(bpf_caps)];
+ unsigned int i, nb_bpf_caps = 0;
+ bool cap_sys_admin_only = true;
+ cap_flag_value_t val;
+ int res = -1;
+ cap_t caps;
+
+ caps = cap_get_proc();
+ if (!caps) {
+ p_err("failed to get capabilities for process: %s",
+ strerror(errno));
+ return -1;
+ }
+
+#ifdef CAP_BPF
+ if (CAP_IS_SUPPORTED(CAP_BPF))
+ cap_sys_admin_only = false;
+#endif
+
+ for (i = 0; i < ARRAY_SIZE(bpf_caps); i++) {
+ const char *cap_name = bpf_caps[i].name;
+ cap_value_t cap = bpf_caps[i].cap;
+
+ if (cap_get_flag(caps, cap, CAP_EFFECTIVE, &val)) {
+ p_err("bug: failed to retrieve %s status: %s", cap_name,
+ strerror(errno));
+ goto exit_free;
+ }
+
+ if (val == CAP_SET) {
+ bpf_caps[i].set = true;
+ cap_list[nb_bpf_caps++] = cap;
+ }
+
+ if (cap_sys_admin_only)
+ /* System does not know about CAP_BPF, meaning that
+ * CAP_SYS_ADMIN is the only capability required. We
+ * just checked it, break.
+ */
+ break;
+ }
+
+ if ((run_as_unprivileged && !nb_bpf_caps) ||
+ (!run_as_unprivileged && nb_bpf_caps == ARRAY_SIZE(bpf_caps)) ||
+ (!run_as_unprivileged && cap_sys_admin_only && nb_bpf_caps)) {
+ /* We are all good, exit now */
+ res = 0;
+ goto exit_free;
+ }
+
+ if (!run_as_unprivileged) {
+ if (cap_sys_admin_only)
+ p_err("missing %s, required for full feature probing; run as root or use 'unprivileged'",
+ bpf_caps[0].name);
+ else
+ p_err("missing %s%s%s%s%s%s%s%srequired for full feature probing; run as root or use 'unprivileged'",
+ capability_msg(bpf_caps, 0),
+ capability_msg(bpf_caps, 1),
+ capability_msg(bpf_caps, 2),
+ capability_msg(bpf_caps, 3));
+ goto exit_free;
+ }
+
+ /* if (run_as_unprivileged && nb_bpf_caps > 0), drop capabilities. */
+ if (cap_set_flag(caps, CAP_EFFECTIVE, nb_bpf_caps, cap_list,
+ CAP_CLEAR)) {
+ p_err("bug: failed to clear capabilities: %s", strerror(errno));
+ goto exit_free;
+ }
+
+ if (cap_set_proc(caps)) {
+ p_err("failed to drop capabilities: %s", strerror(errno));
+ goto exit_free;
+ }
+
+ res = 0;
+
+exit_free:
+ if (cap_free(caps) && !res) {
+ p_err("failed to clear storage object for capabilities: %s",
+ strerror(errno));
+ res = -1;
+ }
+
+ return res;
+#else
+ /* Detection assumes user has specific privileges.
+ * We do not use libpcap so let's approximate, and restrict usage to
+ * root user only.
+ */
+ if (geteuid()) {
+ p_err("full feature probing requires root privileges");
+ return -1;
+ }
+
+ return 0;
+#endif /* USE_LIBCAP */
+}
+
static int do_probe(int argc, char **argv)
{
enum probe_component target = COMPONENT_UNSPEC;
const char *define_prefix = NULL;
bool supported_types[128] = {};
- bool full_mode = false;
__u32 ifindex = 0;
char *ifname;
- /* Detection assumes user has sufficient privileges (CAP_SYS_ADMIN).
- * Let's approximate, and restrict usage to root user only.
- */
- if (geteuid()) {
- p_err("please run this command as root user");
- return -1;
- }
-
set_max_rlimit();
while (argc) {
@@ -785,6 +933,14 @@ static int do_probe(int argc, char **argv)
if (!REQ_ARGS(1))
return -1;
define_prefix = GET_ARG();
+ } else if (is_prefix(*argv, "unprivileged")) {
+#ifdef USE_LIBCAP
+ run_as_unprivileged = true;
+ NEXT_ARG();
+#else
+ p_err("unprivileged run not supported, recompile bpftool with libcap");
+ return -1;
+#endif
} else {
p_err("expected no more arguments, 'kernel', 'dev', 'macros' or 'prefix', got: '%s'?",
*argv);
@@ -792,6 +948,12 @@ static int do_probe(int argc, char **argv)
}
}
+ /* Full feature detection requires specific privileges.
+ * Let's approximate, and warn if user is not root.
+ */
+ if (handle_perms())
+ return -1;
+
if (json_output) {
define_prefix = NULL;
jsonw_start_object(json_wtr);
@@ -803,7 +965,7 @@ static int do_probe(int argc, char **argv)
goto exit_close_json;
section_program_types(supported_types, define_prefix, ifindex);
section_map_types(define_prefix, ifindex);
- section_helpers(supported_types, define_prefix, full_mode, ifindex);
+ section_helpers(supported_types, define_prefix, ifindex);
section_misc(define_prefix, ifindex);
exit_close_json:
@@ -822,12 +984,12 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s probe [COMPONENT] [full] [macros [prefix PREFIX]]\n"
- " %s %s help\n"
+ "Usage: %1$s %2$s probe [COMPONENT] [full] [unprivileged] [macros [prefix PREFIX]]\n"
+ " %1$s %2$s help\n"
"\n"
" COMPONENT := { kernel | dev NAME }\n"
"",
- bin_name, argv[-2], bin_name, argv[-2]);
+ bin_name, argv[-2]);
return 0;
}
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index f8113b3646f5..a3c4bb86c05a 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -17,7 +17,6 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
-#include <unistd.h>
#include <bpf/btf.h>
#include "bpf/libbpf_internal.h"
@@ -587,12 +586,12 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %1$s gen skeleton FILE\n"
- " %1$s gen help\n"
+ "Usage: %1$s %2$s skeleton FILE\n"
+ " %1$s %2$s help\n"
"\n"
" " HELP_SPEC_OPTIONS "\n"
"",
- bin_name);
+ bin_name, "gen");
return 0;
}
diff --git a/tools/bpf/bpftool/iter.c b/tools/bpf/bpftool/iter.c
new file mode 100644
index 000000000000..33240fcc6319
--- /dev/null
+++ b/tools/bpf/bpftool/iter.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+// Copyright (C) 2020 Facebook
+
+#define _GNU_SOURCE
+#include <linux/err.h>
+#include <bpf/libbpf.h>
+
+#include "main.h"
+
+static int do_pin(int argc, char **argv)
+{
+ const char *objfile, *path;
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ struct bpf_link *link;
+ int err;
+
+ if (!REQ_ARGS(2))
+ usage();
+
+ objfile = GET_ARG();
+ path = GET_ARG();
+
+ obj = bpf_object__open(objfile);
+ if (IS_ERR(obj)) {
+ p_err("can't open objfile %s", objfile);
+ return -1;
+ }
+
+ err = bpf_object__load(obj);
+ if (err) {
+ p_err("can't load objfile %s", objfile);
+ goto close_obj;
+ }
+
+ prog = bpf_program__next(NULL, obj);
+ if (!prog) {
+ p_err("can't find bpf program in objfile %s", objfile);
+ goto close_obj;
+ }
+
+ link = bpf_program__attach_iter(prog, NULL);
+ if (IS_ERR(link)) {
+ err = PTR_ERR(link);
+ p_err("attach_iter failed for program %s",
+ bpf_program__name(prog));
+ goto close_obj;
+ }
+
+ err = mount_bpffs_for_pin(path);
+ if (err)
+ goto close_link;
+
+ err = bpf_link__pin(link, path);
+ if (err) {
+ p_err("pin_iter failed for program %s to path %s",
+ bpf_program__name(prog), path);
+ goto close_link;
+ }
+
+close_link:
+ bpf_link__destroy(link);
+close_obj:
+ bpf_object__close(obj);
+ return err;
+}
+
+static int do_help(int argc, char **argv)
+{
+ fprintf(stderr,
+ "Usage: %1$s %2$s pin OBJ PATH\n"
+ " %1$s %2$s help\n"
+ "",
+ bin_name, "iter");
+
+ return 0;
+}
+
+static const struct cmd cmds[] = {
+ { "help", do_help },
+ { "pin", do_pin },
+ { 0 }
+};
+
+int do_iter(int argc, char **argv)
+{
+ return cmd_select(cmds, argc, argv, do_help);
+}
diff --git a/tools/bpf/bpftool/jit_disasm.c b/tools/bpf/bpftool/jit_disasm.c
index f7f5885aa3ba..e7e7eee9f172 100644
--- a/tools/bpf/bpftool/jit_disasm.c
+++ b/tools/bpf/bpftool/jit_disasm.c
@@ -15,7 +15,6 @@
#include <stdio.h>
#include <stdarg.h>
#include <stdint.h>
-#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <unistd.h>
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
new file mode 100644
index 000000000000..fca57ee8fafe
--- /dev/null
+++ b/tools/bpf/bpftool/link.c
@@ -0,0 +1,343 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright (C) 2020 Facebook */
+
+#include <errno.h>
+#include <net/if.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <bpf/bpf.h>
+
+#include "json_writer.h"
+#include "main.h"
+
+static const char * const link_type_name[] = {
+ [BPF_LINK_TYPE_UNSPEC] = "unspec",
+ [BPF_LINK_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
+ [BPF_LINK_TYPE_TRACING] = "tracing",
+ [BPF_LINK_TYPE_CGROUP] = "cgroup",
+ [BPF_LINK_TYPE_ITER] = "iter",
+ [BPF_LINK_TYPE_NETNS] = "netns",
+};
+
+static int link_parse_fd(int *argc, char ***argv)
+{
+ if (is_prefix(**argv, "id")) {
+ unsigned int id;
+ char *endptr;
+
+ NEXT_ARGP();
+
+ id = strtoul(**argv, &endptr, 0);
+ if (*endptr) {
+ p_err("can't parse %s as ID", **argv);
+ return -1;
+ }
+ NEXT_ARGP();
+
+ return bpf_link_get_fd_by_id(id);
+ } else if (is_prefix(**argv, "pinned")) {
+ char *path;
+
+ NEXT_ARGP();
+
+ path = **argv;
+ NEXT_ARGP();
+
+ return open_obj_pinned_any(path, BPF_OBJ_LINK);
+ }
+
+ p_err("expected 'id' or 'pinned', got: '%s'?", **argv);
+ return -1;
+}
+
+static void
+show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
+{
+ jsonw_uint_field(wtr, "id", info->id);
+ if (info->type < ARRAY_SIZE(link_type_name))
+ jsonw_string_field(wtr, "type", link_type_name[info->type]);
+ else
+ jsonw_uint_field(wtr, "type", info->type);
+
+ jsonw_uint_field(json_wtr, "prog_id", info->prog_id);
+}
+
+static void show_link_attach_type_json(__u32 attach_type, json_writer_t *wtr)
+{
+ if (attach_type < ARRAY_SIZE(attach_type_name))
+ jsonw_string_field(wtr, "attach_type",
+ attach_type_name[attach_type]);
+ else
+ jsonw_uint_field(wtr, "attach_type", attach_type);
+}
+
+static int get_prog_info(int prog_id, struct bpf_prog_info *info)
+{
+ __u32 len = sizeof(*info);
+ int err, prog_fd;
+
+ prog_fd = bpf_prog_get_fd_by_id(prog_id);
+ if (prog_fd < 0)
+ return prog_fd;
+
+ memset(info, 0, sizeof(*info));
+ err = bpf_obj_get_info_by_fd(prog_fd, info, &len);
+ if (err)
+ p_err("can't get prog info: %s", strerror(errno));
+ close(prog_fd);
+ return err;
+}
+
+static int show_link_close_json(int fd, struct bpf_link_info *info)
+{
+ struct bpf_prog_info prog_info;
+ int err;
+
+ jsonw_start_object(json_wtr);
+
+ show_link_header_json(info, json_wtr);
+
+ switch (info->type) {
+ case BPF_LINK_TYPE_RAW_TRACEPOINT:
+ jsonw_string_field(json_wtr, "tp_name",
+ (const char *)info->raw_tracepoint.tp_name);
+ break;
+ case BPF_LINK_TYPE_TRACING:
+ err = get_prog_info(info->prog_id, &prog_info);
+ if (err)
+ return err;
+
+ if (prog_info.type < ARRAY_SIZE(prog_type_name))
+ jsonw_string_field(json_wtr, "prog_type",
+ prog_type_name[prog_info.type]);
+ else
+ jsonw_uint_field(json_wtr, "prog_type",
+ prog_info.type);
+
+ show_link_attach_type_json(info->tracing.attach_type,
+ json_wtr);
+ break;
+ case BPF_LINK_TYPE_CGROUP:
+ jsonw_lluint_field(json_wtr, "cgroup_id",
+ info->cgroup.cgroup_id);
+ show_link_attach_type_json(info->cgroup.attach_type, json_wtr);
+ break;
+ case BPF_LINK_TYPE_NETNS:
+ jsonw_uint_field(json_wtr, "netns_ino",
+ info->netns.netns_ino);
+ show_link_attach_type_json(info->netns.attach_type, json_wtr);
+ break;
+ default:
+ break;
+ }
+
+ if (!hash_empty(link_table.table)) {
+ struct pinned_obj *obj;
+
+ jsonw_name(json_wtr, "pinned");
+ jsonw_start_array(json_wtr);
+ hash_for_each_possible(link_table.table, obj, hash, info->id) {
+ if (obj->id == info->id)
+ jsonw_string(json_wtr, obj->path);
+ }
+ jsonw_end_array(json_wtr);
+ }
+ jsonw_end_object(json_wtr);
+
+ return 0;
+}
+
+static void show_link_header_plain(struct bpf_link_info *info)
+{
+ printf("%u: ", info->id);
+ if (info->type < ARRAY_SIZE(link_type_name))
+ printf("%s ", link_type_name[info->type]);
+ else
+ printf("type %u ", info->type);
+
+ printf("prog %u ", info->prog_id);
+}
+
+static void show_link_attach_type_plain(__u32 attach_type)
+{
+ if (attach_type < ARRAY_SIZE(attach_type_name))
+ printf("attach_type %s ", attach_type_name[attach_type]);
+ else
+ printf("attach_type %u ", attach_type);
+}
+
+static int show_link_close_plain(int fd, struct bpf_link_info *info)
+{
+ struct bpf_prog_info prog_info;
+ int err;
+
+ show_link_header_plain(info);
+
+ switch (info->type) {
+ case BPF_LINK_TYPE_RAW_TRACEPOINT:
+ printf("\n\ttp '%s' ",
+ (const char *)info->raw_tracepoint.tp_name);
+ break;
+ case BPF_LINK_TYPE_TRACING:
+ err = get_prog_info(info->prog_id, &prog_info);
+ if (err)
+ return err;
+
+ if (prog_info.type < ARRAY_SIZE(prog_type_name))
+ printf("\n\tprog_type %s ",
+ prog_type_name[prog_info.type]);
+ else
+ printf("\n\tprog_type %u ", prog_info.type);
+
+ show_link_attach_type_plain(info->tracing.attach_type);
+ break;
+ case BPF_LINK_TYPE_CGROUP:
+ printf("\n\tcgroup_id %zu ", (size_t)info->cgroup.cgroup_id);
+ show_link_attach_type_plain(info->cgroup.attach_type);
+ break;
+ case BPF_LINK_TYPE_NETNS:
+ printf("\n\tnetns_ino %u ", info->netns.netns_ino);
+ show_link_attach_type_plain(info->netns.attach_type);
+ break;
+ default:
+ break;
+ }
+
+ if (!hash_empty(link_table.table)) {
+ struct pinned_obj *obj;
+
+ hash_for_each_possible(link_table.table, obj, hash, info->id) {
+ if (obj->id == info->id)
+ printf("\n\tpinned %s", obj->path);
+ }
+ }
+
+ printf("\n");
+
+ return 0;
+}
+
+static int do_show_link(int fd)
+{
+ struct bpf_link_info info;
+ __u32 len = sizeof(info);
+ char raw_tp_name[256];
+ int err;
+
+ memset(&info, 0, sizeof(info));
+again:
+ err = bpf_obj_get_info_by_fd(fd, &info, &len);
+ if (err) {
+ p_err("can't get link info: %s",
+ strerror(errno));
+ close(fd);
+ return err;
+ }
+ if (info.type == BPF_LINK_TYPE_RAW_TRACEPOINT &&
+ !info.raw_tracepoint.tp_name) {
+ info.raw_tracepoint.tp_name = (unsigned long)&raw_tp_name;
+ info.raw_tracepoint.tp_name_len = sizeof(raw_tp_name);
+ goto again;
+ }
+
+ if (json_output)
+ show_link_close_json(fd, &info);
+ else
+ show_link_close_plain(fd, &info);
+
+ close(fd);
+ return 0;
+}
+
+static int do_show(int argc, char **argv)
+{
+ __u32 id = 0;
+ int err, fd;
+
+ if (show_pinned)
+ build_pinned_obj_table(&link_table, BPF_OBJ_LINK);
+
+ if (argc == 2) {
+ fd = link_parse_fd(&argc, &argv);
+ if (fd < 0)
+ return fd;
+ return do_show_link(fd);
+ }
+
+ if (argc)
+ return BAD_ARG();
+
+ if (json_output)
+ jsonw_start_array(json_wtr);
+ while (true) {
+ err = bpf_link_get_next_id(id, &id);
+ if (err) {
+ if (errno == ENOENT)
+ break;
+ p_err("can't get next link: %s%s", strerror(errno),
+ errno == EINVAL ? " -- kernel too old?" : "");
+ break;
+ }
+
+ fd = bpf_link_get_fd_by_id(id);
+ if (fd < 0) {
+ if (errno == ENOENT)
+ continue;
+ p_err("can't get link by id (%u): %s",
+ id, strerror(errno));
+ break;
+ }
+
+ err = do_show_link(fd);
+ if (err)
+ break;
+ }
+ if (json_output)
+ jsonw_end_array(json_wtr);
+
+ return errno == ENOENT ? 0 : -1;
+}
+
+static int do_pin(int argc, char **argv)
+{
+ int err;
+
+ err = do_pin_any(argc, argv, link_parse_fd);
+ if (!err && json_output)
+ jsonw_null(json_wtr);
+ return err;
+}
+
+static int do_help(int argc, char **argv)
+{
+ if (json_output) {
+ jsonw_null(json_wtr);
+ return 0;
+ }
+
+ fprintf(stderr,
+ "Usage: %1$s %2$s { show | list } [LINK]\n"
+ " %1$s %2$s pin LINK FILE\n"
+ " %1$s %2$s help\n"
+ "\n"
+ " " HELP_SPEC_LINK "\n"
+ " " HELP_SPEC_OPTIONS "\n"
+ "",
+ bin_name, argv[-2]);
+
+ return 0;
+}
+
+static const struct cmd cmds[] = {
+ { "show", do_show },
+ { "list", do_show },
+ { "help", do_help },
+ { "pin", do_pin },
+ { 0 }
+};
+
+int do_link(int argc, char **argv)
+{
+ return cmd_select(cmds, argc, argv, do_help);
+}
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 466c269eabdd..46bd716a9d86 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -30,6 +30,7 @@ bool verifier_logs;
bool relaxed_maps;
struct pinned_obj_table prog_table;
struct pinned_obj_table map_table;
+struct pinned_obj_table link_table;
static void __noreturn clean_and_exit(int i)
{
@@ -58,7 +59,7 @@ static int do_help(int argc, char **argv)
" %s batch file FILE\n"
" %s version\n"
"\n"
- " OBJECT := { prog | map | cgroup | perf | net | feature | btf | gen | struct_ops }\n"
+ " OBJECT := { prog | map | link | cgroup | perf | net | feature | btf | gen | struct_ops | iter }\n"
" " HELP_SPEC_OPTIONS "\n"
"",
bin_name, bin_name, bin_name);
@@ -215,6 +216,7 @@ static const struct cmd cmds[] = {
{ "batch", do_batch },
{ "prog", do_prog },
{ "map", do_map },
+ { "link", do_link },
{ "cgroup", do_cgroup },
{ "perf", do_perf },
{ "net", do_net },
@@ -222,6 +224,7 @@ static const struct cmd cmds[] = {
{ "btf", do_btf },
{ "gen", do_gen },
{ "struct_ops", do_struct_ops },
+ { "iter", do_iter },
{ "version", do_version },
{ 0 }
};
@@ -364,6 +367,7 @@ int main(int argc, char **argv)
hash_init(prog_table.table);
hash_init(map_table.table);
+ hash_init(link_table.table);
opterr = 0;
while ((opt = getopt_long(argc, argv, "Vhpjfmnd",
@@ -422,6 +426,7 @@ int main(int argc, char **argv)
if (show_pinned) {
delete_pinned_obj_table(&prog_table);
delete_pinned_obj_table(&map_table);
+ delete_pinned_obj_table(&link_table);
}
return ret;
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index 86f14ce26fd7..5cdf0bc049bd 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -18,6 +18,9 @@
#include "json_writer.h"
+/* Make sure we do not use kernel-only integer typedefs */
+#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
+
#define ptr_to_u64(ptr) ((__u64)(unsigned long)(ptr))
#define NEXT_ARG() ({ argc--; argv++; if (argc < 0) usage(); })
@@ -50,6 +53,8 @@
"\t {-m|--mapcompat} | {-n|--nomount} }"
#define HELP_SPEC_MAP \
"MAP := { id MAP_ID | pinned FILE | name MAP_NAME }"
+#define HELP_SPEC_LINK \
+ "LINK := { id LINK_ID | pinned FILE }"
static const char * const prog_type_name[] = {
[BPF_PROG_TYPE_UNSPEC] = "unspec",
@@ -83,6 +88,42 @@ static const char * const prog_type_name[] = {
[BPF_PROG_TYPE_EXT] = "ext",
};
+static const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE] = {
+ [BPF_CGROUP_INET_INGRESS] = "ingress",
+ [BPF_CGROUP_INET_EGRESS] = "egress",
+ [BPF_CGROUP_INET_SOCK_CREATE] = "sock_create",
+ [BPF_CGROUP_SOCK_OPS] = "sock_ops",
+ [BPF_CGROUP_DEVICE] = "device",
+ [BPF_CGROUP_INET4_BIND] = "bind4",
+ [BPF_CGROUP_INET6_BIND] = "bind6",
+ [BPF_CGROUP_INET4_CONNECT] = "connect4",
+ [BPF_CGROUP_INET6_CONNECT] = "connect6",
+ [BPF_CGROUP_INET4_POST_BIND] = "post_bind4",
+ [BPF_CGROUP_INET6_POST_BIND] = "post_bind6",
+ [BPF_CGROUP_INET4_GETPEERNAME] = "getpeername4",
+ [BPF_CGROUP_INET6_GETPEERNAME] = "getpeername6",
+ [BPF_CGROUP_INET4_GETSOCKNAME] = "getsockname4",
+ [BPF_CGROUP_INET6_GETSOCKNAME] = "getsockname6",
+ [BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4",
+ [BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6",
+ [BPF_CGROUP_SYSCTL] = "sysctl",
+ [BPF_CGROUP_UDP4_RECVMSG] = "recvmsg4",
+ [BPF_CGROUP_UDP6_RECVMSG] = "recvmsg6",
+ [BPF_CGROUP_GETSOCKOPT] = "getsockopt",
+ [BPF_CGROUP_SETSOCKOPT] = "setsockopt",
+
+ [BPF_SK_SKB_STREAM_PARSER] = "sk_skb_stream_parser",
+ [BPF_SK_SKB_STREAM_VERDICT] = "sk_skb_stream_verdict",
+ [BPF_SK_MSG_VERDICT] = "sk_msg_verdict",
+ [BPF_LIRC_MODE2] = "lirc_mode2",
+ [BPF_FLOW_DISSECTOR] = "flow_dissector",
+ [BPF_TRACE_RAW_TP] = "raw_tp",
+ [BPF_TRACE_FENTRY] = "fentry",
+ [BPF_TRACE_FEXIT] = "fexit",
+ [BPF_MODIFY_RETURN] = "mod_ret",
+ [BPF_LSM_MAC] = "lsm_mac",
+};
+
extern const char * const map_type_name[];
extern const size_t map_type_name_size;
@@ -90,6 +131,7 @@ enum bpf_obj_type {
BPF_OBJ_UNKNOWN,
BPF_OBJ_PROG,
BPF_OBJ_MAP,
+ BPF_OBJ_LINK,
};
extern const char *bin_name;
@@ -102,6 +144,7 @@ extern bool verifier_logs;
extern bool relaxed_maps;
extern struct pinned_obj_table prog_table;
extern struct pinned_obj_table map_table;
+extern struct pinned_obj_table link_table;
void __printf(1, 2) p_err(const char *fmt, ...);
void __printf(1, 2) p_info(const char *fmt, ...);
@@ -153,6 +196,7 @@ int do_pin_fd(int fd, const char *name);
int do_prog(int argc, char **arg);
int do_map(int argc, char **arg);
+int do_link(int argc, char **arg);
int do_event_pipe(int argc, char **argv);
int do_cgroup(int argc, char **arg);
int do_perf(int argc, char **arg);
@@ -162,6 +206,7 @@ int do_feature(int argc, char **argv);
int do_btf(int argc, char **argv);
int do_gen(int argc, char **argv);
int do_struct_ops(int argc, char **argv);
+int do_iter(int argc, char **argv);
int parse_u32_arg(int *argc, char ***argv, __u32 *val, const char *what);
int prog_parse_fd(int *argc, char ***argv);
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 693a632f6813..c5fac8068ba1 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -1561,24 +1561,24 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s { show | list } [MAP]\n"
- " %s %s create FILE type TYPE key KEY_SIZE value VALUE_SIZE \\\n"
- " entries MAX_ENTRIES name NAME [flags FLAGS] \\\n"
- " [dev NAME]\n"
- " %s %s dump MAP\n"
- " %s %s update MAP [key DATA] [value VALUE] [UPDATE_FLAGS]\n"
- " %s %s lookup MAP [key DATA]\n"
- " %s %s getnext MAP [key DATA]\n"
- " %s %s delete MAP key DATA\n"
- " %s %s pin MAP FILE\n"
- " %s %s event_pipe MAP [cpu N index M]\n"
- " %s %s peek MAP\n"
- " %s %s push MAP value VALUE\n"
- " %s %s pop MAP\n"
- " %s %s enqueue MAP value VALUE\n"
- " %s %s dequeue MAP\n"
- " %s %s freeze MAP\n"
- " %s %s help\n"
+ "Usage: %1$s %2$s { show | list } [MAP]\n"
+ " %1$s %2$s create FILE type TYPE key KEY_SIZE value VALUE_SIZE \\\n"
+ " entries MAX_ENTRIES name NAME [flags FLAGS] \\\n"
+ " [dev NAME]\n"
+ " %1$s %2$s dump MAP\n"
+ " %1$s %2$s update MAP [key DATA] [value VALUE] [UPDATE_FLAGS]\n"
+ " %1$s %2$s lookup MAP [key DATA]\n"
+ " %1$s %2$s getnext MAP [key DATA]\n"
+ " %1$s %2$s delete MAP key DATA\n"
+ " %1$s %2$s pin MAP FILE\n"
+ " %1$s %2$s event_pipe MAP [cpu N index M]\n"
+ " %1$s %2$s peek MAP\n"
+ " %1$s %2$s push MAP value VALUE\n"
+ " %1$s %2$s pop MAP\n"
+ " %1$s %2$s enqueue MAP value VALUE\n"
+ " %1$s %2$s dequeue MAP\n"
+ " %1$s %2$s freeze MAP\n"
+ " %1$s %2$s help\n"
"\n"
" " HELP_SPEC_MAP "\n"
" DATA := { [hex] BYTES }\n"
@@ -1589,14 +1589,10 @@ static int do_help(int argc, char **argv)
" percpu_array | stack_trace | cgroup_array | lru_hash |\n"
" lru_percpu_hash | lpm_trie | array_of_maps | hash_of_maps |\n"
" devmap | devmap_hash | sockmap | cpumap | xskmap | sockhash |\n"
- " cgroup_storage | reuseport_sockarray | percpu_cgroup_storage }\n"
+ " cgroup_storage | reuseport_sockarray | percpu_cgroup_storage |\n"
+ " queue | stack | sk_storage | struct_ops }\n"
" " HELP_SPEC_OPTIONS "\n"
"",
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
bin_name, argv[-2]);
return 0;
diff --git a/tools/bpf/bpftool/map_perf_ring.c b/tools/bpf/bpftool/map_perf_ring.c
index d9b29c17fbb8..825f29f93a57 100644
--- a/tools/bpf/bpftool/map_perf_ring.c
+++ b/tools/bpf/bpftool/map_perf_ring.c
@@ -39,7 +39,7 @@ struct event_ring_info {
struct perf_event_sample {
struct perf_event_header header;
- u64 time;
+ __u64 time;
__u32 size;
unsigned char data[];
};
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index c5e3895b7c8b..56c3a2bae3ef 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -458,10 +458,10 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s { show | list } [dev <devname>]\n"
- " %s %s attach ATTACH_TYPE PROG dev <devname> [ overwrite ]\n"
- " %s %s detach ATTACH_TYPE dev <devname>\n"
- " %s %s help\n"
+ "Usage: %1$s %2$s { show | list } [dev <devname>]\n"
+ " %1$s %2$s attach ATTACH_TYPE PROG dev <devname> [ overwrite ]\n"
+ " %1$s %2$s detach ATTACH_TYPE dev <devname>\n"
+ " %1$s %2$s help\n"
"\n"
" " HELP_SPEC_PROGRAM "\n"
" ATTACH_TYPE := { xdp | xdpgeneric | xdpdrv | xdpoffload }\n"
@@ -470,8 +470,8 @@ static int do_help(int argc, char **argv)
" For progs attached to cgroups, use \"bpftool cgroup\"\n"
" to dump program attachments. For program types\n"
" sk_{filter,skb,msg,reuseport} and lwt/seg6, please\n"
- " consult iproute2.\n",
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
+ " consult iproute2.\n"
+ "",
bin_name, argv[-2]);
return 0;
diff --git a/tools/bpf/bpftool/perf.c b/tools/bpf/bpftool/perf.c
index 3341aa14acda..ad23934819c7 100644
--- a/tools/bpf/bpftool/perf.c
+++ b/tools/bpf/bpftool/perf.c
@@ -231,7 +231,7 @@ static int do_show(int argc, char **argv)
static int do_help(int argc, char **argv)
{
fprintf(stderr,
- "Usage: %s %s { show | list | help }\n"
+ "Usage: %1$s %2$s { show | list | help }\n"
"",
bin_name, argv[-2]);
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index f6a5974a7b0a..a5eff83496f2 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -238,7 +238,7 @@ exit_free:
return fd;
}
-static void show_prog_maps(int fd, u32 num_maps)
+static void show_prog_maps(int fd, __u32 num_maps)
{
struct bpf_prog_info info = {};
__u32 len = sizeof(info);
@@ -1984,24 +1984,24 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s { show | list } [PROG]\n"
- " %s %s dump xlated PROG [{ file FILE | opcodes | visual | linum }]\n"
- " %s %s dump jited PROG [{ file FILE | opcodes | linum }]\n"
- " %s %s pin PROG FILE\n"
- " %s %s { load | loadall } OBJ PATH \\\n"
+ "Usage: %1$s %2$s { show | list } [PROG]\n"
+ " %1$s %2$s dump xlated PROG [{ file FILE | opcodes | visual | linum }]\n"
+ " %1$s %2$s dump jited PROG [{ file FILE | opcodes | linum }]\n"
+ " %1$s %2$s pin PROG FILE\n"
+ " %1$s %2$s { load | loadall } OBJ PATH \\\n"
" [type TYPE] [dev NAME] \\\n"
" [map { idx IDX | name NAME } MAP]\\\n"
" [pinmaps MAP_DIR]\n"
- " %s %s attach PROG ATTACH_TYPE [MAP]\n"
- " %s %s detach PROG ATTACH_TYPE [MAP]\n"
- " %s %s run PROG \\\n"
+ " %1$s %2$s attach PROG ATTACH_TYPE [MAP]\n"
+ " %1$s %2$s detach PROG ATTACH_TYPE [MAP]\n"
+ " %1$s %2$s run PROG \\\n"
" data_in FILE \\\n"
" [data_out FILE [data_size_out L]] \\\n"
" [ctx_in FILE [ctx_out FILE [ctx_size_out M]]] \\\n"
" [repeat N]\n"
- " %s %s profile PROG [duration DURATION] METRICs\n"
- " %s %s tracelog\n"
- " %s %s help\n"
+ " %1$s %2$s profile PROG [duration DURATION] METRICs\n"
+ " %1$s %2$s tracelog\n"
+ " %1$s %2$s help\n"
"\n"
" " HELP_SPEC_MAP "\n"
" " HELP_SPEC_PROGRAM "\n"
@@ -2012,18 +2012,17 @@ static int do_help(int argc, char **argv)
" sk_reuseport | flow_dissector | cgroup/sysctl |\n"
" cgroup/bind4 | cgroup/bind6 | cgroup/post_bind4 |\n"
" cgroup/post_bind6 | cgroup/connect4 | cgroup/connect6 |\n"
- " cgroup/sendmsg4 | cgroup/sendmsg6 | cgroup/recvmsg4 |\n"
- " cgroup/recvmsg6 | cgroup/getsockopt | cgroup/setsockopt |\n"
+ " cgroup/getpeername4 | cgroup/getpeername6 |\n"
+ " cgroup/getsockname4 | cgroup/getsockname6 | cgroup/sendmsg4 |\n"
+ " cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
+ " cgroup/getsockopt | cgroup/setsockopt |\n"
" struct_ops | fentry | fexit | freplace }\n"
" ATTACH_TYPE := { msg_verdict | stream_verdict | stream_parser |\n"
" flow_dissector }\n"
" METRIC := { cycles | instructions | l1d_loads | llc_misses }\n"
" " HELP_SPEC_OPTIONS "\n"
"",
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2]);
+ bin_name, argv[-2]);
return 0;
}
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index 0fe0d584c57e..b58b91f62ffb 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -479,6 +479,7 @@ static int do_unregister(int argc, char **argv)
static int do_register(int argc, char **argv)
{
+ struct bpf_object_load_attr load_attr = {};
const struct bpf_map_def *def;
struct bpf_map_info info = {};
__u32 info_len = sizeof(info);
@@ -499,7 +500,12 @@ static int do_register(int argc, char **argv)
set_max_rlimit();
- if (bpf_object__load(obj)) {
+ load_attr.obj = obj;
+ if (verifier_logs)
+ /* log_level1 + log_level2 + stats, but not stable UAPI */
+ load_attr.log_level = 1 + 2 + 4;
+
+ if (bpf_object__load_xattr(&load_attr)) {
bpf_object__close(obj);
return -1;
}
@@ -560,16 +566,15 @@ static int do_help(int argc, char **argv)
}
fprintf(stderr,
- "Usage: %s %s { show | list } [STRUCT_OPS_MAP]\n"
- " %s %s dump [STRUCT_OPS_MAP]\n"
- " %s %s register OBJ\n"
- " %s %s unregister STRUCT_OPS_MAP\n"
- " %s %s help\n"
+ "Usage: %1$s %2$s { show | list } [STRUCT_OPS_MAP]\n"
+ " %1$s %2$s dump [STRUCT_OPS_MAP]\n"
+ " %1$s %2$s register OBJ\n"
+ " %1$s %2$s unregister STRUCT_OPS_MAP\n"
+ " %1$s %2$s help\n"
"\n"
" OPTIONS := { {-j|--json} [{-p|--pretty}] }\n"
- " STRUCT_OPS_MAP := [ id STRUCT_OPS_MAP_ID | name STRUCT_OPS_MAP_NAME ]\n",
- bin_name, argv[-2], bin_name, argv[-2],
- bin_name, argv[-2], bin_name, argv[-2],
+ " STRUCT_OPS_MAP := [ id STRUCT_OPS_MAP_ID | name STRUCT_OPS_MAP_NAME ]\n"
+ "",
bin_name, argv[-2]);
return 0;
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 39edd68afa8e..fb1337d69868 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -8,7 +8,8 @@ BPFTOOL ?= $(DEFAULT_BPFTOOL)
LIBBPF_SRC := $(abspath ../../lib/bpf)
BPFOBJ := $(OUTPUT)/libbpf.a
BPF_INCLUDE := $(OUTPUT)
-INCLUDES := -I$(BPF_INCLUDE) -I$(OUTPUT) -I$(abspath ../../lib)
+INCLUDES := -I$(OUTPUT) -I$(BPF_INCLUDE) -I$(abspath ../../lib) \
+ -I$(abspath ../../include/uapi)
CFLAGS := -g -Wall
# Try to detect best kernel BTF source
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 3e0c019ef297..3abd4316cd4f 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -98,7 +98,8 @@ FEATURE_TESTS_EXTRA := \
llvm \
llvm-version \
clang \
- libbpf
+ libbpf \
+ libpfm4
FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC)
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 92012381393a..84f845b9627d 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -69,7 +69,8 @@ FILES= \
test-libaio.bin \
test-libzstd.bin \
test-clang-bpf-global-var.bin \
- test-file-handle.bin
+ test-file-handle.bin \
+ test-libpfm4.bin
FILES := $(addprefix $(OUTPUT),$(FILES))
@@ -331,6 +332,9 @@ $(OUTPUT)test-clang-bpf-global-var.bin:
$(OUTPUT)test-file-handle.bin:
$(BUILD)
+$(OUTPUT)test-libpfm4.bin:
+ $(BUILD) -lpfm
+
###############################
clean:
diff --git a/tools/build/feature/test-libopencsd.c b/tools/build/feature/test-libopencsd.c
index 2b0e02c38870..1547bc2c0950 100644
--- a/tools/build/feature/test-libopencsd.c
+++ b/tools/build/feature/test-libopencsd.c
@@ -4,9 +4,9 @@
/*
* Check OpenCSD library version is sufficient to provide required features
*/
-#define OCSD_MIN_VER ((0 << 16) | (11 << 8) | (0))
+#define OCSD_MIN_VER ((0 << 16) | (14 << 8) | (0))
#if !defined(OCSD_VER_NUM) || (OCSD_VER_NUM < OCSD_MIN_VER)
-#error "OpenCSD >= 0.11.0 is required"
+#error "OpenCSD >= 0.14.0 is required"
#endif
int main(void)
diff --git a/tools/build/feature/test-libpfm4.c b/tools/build/feature/test-libpfm4.c
new file mode 100644
index 000000000000..af49b259459e
--- /dev/null
+++ b/tools/build/feature/test-libpfm4.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <sys/types.h>
+#include <perfmon/pfmlib.h>
+
+int main(void)
+{
+ pfm_initialize();
+ return 0;
+}
diff --git a/tools/build/feature/test-sync-compare-and-swap.c b/tools/build/feature/test-sync-compare-and-swap.c
index 1e38d1930a97..3bc6b0768a53 100644
--- a/tools/build/feature/test-sync-compare-and-swap.c
+++ b/tools/build/feature/test-sync-compare-and-swap.c
@@ -7,7 +7,7 @@ int main(int argc, char *argv[])
{
uint64_t old, new = argc;
- argv = argv;
+ (void)argv;
do {
old = __sync_val_compare_and_swap(&x, 0, 0);
} while (!__sync_bool_compare_and_swap(&x, old, new));
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index 7427a5ee761b..3c21de88af9e 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -28,7 +28,8 @@ parser.add_argument('devname', metavar='DEV',
parser.add_argument('--cgroup', action='append', metavar='REGEX',
help='Regex for target cgroups, ')
parser.add_argument('--interval', '-i', metavar='SECONDS', type=float, default=1,
- help='Monitoring interval in seconds')
+ help='Monitoring interval in seconds (0 exits immediately '
+ 'after checking requirements)')
parser.add_argument('--json', action='store_true',
help='Output in json')
args = parser.parse_args()
@@ -112,14 +113,14 @@ class IocStat:
def dict(self, now):
return { 'device' : devname,
- 'timestamp' : str(now),
- 'enabled' : str(int(self.enabled)),
- 'running' : str(int(self.running)),
- 'period_ms' : str(self.period_ms),
- 'period_at' : str(self.period_at),
- 'period_vtime_at' : str(self.vperiod_at),
- 'busy_level' : str(self.busy_level),
- 'vrate_pct' : str(self.vrate_pct), }
+ 'timestamp' : now,
+ 'enabled' : self.enabled,
+ 'running' : self.running,
+ 'period_ms' : self.period_ms,
+ 'period_at' : self.period_at,
+ 'period_vtime_at' : self.vperiod_at,
+ 'busy_level' : self.busy_level,
+ 'vrate_pct' : self.vrate_pct, }
def table_preamble_str(self):
state = ('RUN' if self.running else 'IDLE') if self.enabled else 'OFF'
@@ -159,7 +160,12 @@ class IocgStat:
else:
self.inflight_pct = 0
- self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000
+ # vdebt used to be an atomic64_t and is now u64, support both
+ try:
+ self.debt_ms = iocg.abs_vdebt.counter.value_() / VTIME_PER_USEC / 1000
+ except:
+ self.debt_ms = iocg.abs_vdebt.value_() / VTIME_PER_USEC / 1000
+
self.use_delay = blkg.use_delay.counter.value_()
self.delay_ms = blkg.delay_nsec.counter.value_() / 1_000_000
@@ -174,19 +180,19 @@ class IocgStat:
def dict(self, now, path):
out = { 'cgroup' : path,
- 'timestamp' : str(now),
- 'is_active' : str(int(self.is_active)),
- 'weight' : str(self.weight),
- 'weight_active' : str(self.active),
- 'weight_inuse' : str(self.inuse),
- 'hweight_active_pct' : str(self.hwa_pct),
- 'hweight_inuse_pct' : str(self.hwi_pct),
- 'inflight_pct' : str(self.inflight_pct),
- 'debt_ms' : str(self.debt_ms),
- 'use_delay' : str(self.use_delay),
- 'delay_ms' : str(self.delay_ms),
- 'usage_pct' : str(self.usage),
- 'address' : str(hex(self.address)) }
+ 'timestamp' : now,
+ 'is_active' : self.is_active,
+ 'weight' : self.weight,
+ 'weight_active' : self.active,
+ 'weight_inuse' : self.inuse,
+ 'hweight_active_pct' : self.hwa_pct,
+ 'hweight_inuse_pct' : self.hwi_pct,
+ 'inflight_pct' : self.inflight_pct,
+ 'debt_ms' : self.debt_ms,
+ 'use_delay' : self.use_delay,
+ 'delay_ms' : self.delay_ms,
+ 'usage_pct' : self.usage,
+ 'address' : self.address }
for i in range(len(self.usages)):
out[f'usage_pct_{i}'] = str(self.usages[i])
return out
@@ -243,6 +249,9 @@ for i, ptr in radix_tree_for_each(blkcg_root.blkg_tree.address_of_()):
if ioc is None:
err(f'Could not find ioc for {devname}');
+if interval == 0:
+ sys.exit(0)
+
# Keep printing
while True:
now = time.time()
diff --git a/tools/include/linux/rbtree.h b/tools/include/linux/rbtree.h
index e03b1ea23e0e..30dd21f976c3 100644
--- a/tools/include/linux/rbtree.h
+++ b/tools/include/linux/rbtree.h
@@ -11,7 +11,7 @@
I know it's not the cleaner way, but in C (not in C++) to get
performances and genericity...
- See Documentation/rbtree.txt for documentation and samples.
+ See Documentation/core-api/rbtree.rst for documentation and samples.
*/
#ifndef __TOOLS_LINUX_PERF_RBTREE_H
diff --git a/tools/include/linux/rbtree_augmented.h b/tools/include/linux/rbtree_augmented.h
index 381aa948610d..570bb9794421 100644
--- a/tools/include/linux/rbtree_augmented.h
+++ b/tools/include/linux/rbtree_augmented.h
@@ -23,7 +23,7 @@
* rb_insert_augmented() and rb_erase_augmented() are intended to be public.
* The rest are implementation details you are not expected to depend on.
*
- * See Documentation/rbtree.txt for documentation and samples.
+ * See Documentation/core-api/rbtree.rst for documentation and samples.
*/
struct rb_augment_callbacks {
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 2e29a671d67e..c65b374a5090 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -73,7 +73,7 @@ struct bpf_insn {
/* Key of an a BPF_MAP_TYPE_LPM_TRIE entry */
struct bpf_lpm_trie_key {
__u32 prefixlen; /* up to 32 for AF_INET, 128 for AF_INET6 */
- __u8 data[]; /* Arbitrary size */
+ __u8 data[0]; /* Arbitrary size */
};
struct bpf_cgroup_storage_key {
@@ -113,6 +113,10 @@ enum bpf_cmd {
BPF_MAP_DELETE_BATCH,
BPF_LINK_CREATE,
BPF_LINK_UPDATE,
+ BPF_LINK_GET_FD_BY_ID,
+ BPF_LINK_GET_NEXT_ID,
+ BPF_ENABLE_STATS,
+ BPF_ITER_CREATE,
};
enum bpf_map_type {
@@ -143,6 +147,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_SK_STORAGE,
BPF_MAP_TYPE_DEVMAP_HASH,
BPF_MAP_TYPE_STRUCT_OPS,
+ BPF_MAP_TYPE_RINGBUF,
};
/* Note that tracing related programs such as
@@ -215,11 +220,28 @@ enum bpf_attach_type {
BPF_TRACE_FEXIT,
BPF_MODIFY_RETURN,
BPF_LSM_MAC,
+ BPF_TRACE_ITER,
+ BPF_CGROUP_INET4_GETPEERNAME,
+ BPF_CGROUP_INET6_GETPEERNAME,
+ BPF_CGROUP_INET4_GETSOCKNAME,
+ BPF_CGROUP_INET6_GETSOCKNAME,
+ BPF_XDP_DEVMAP,
__MAX_BPF_ATTACH_TYPE
};
#define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
+enum bpf_link_type {
+ BPF_LINK_TYPE_UNSPEC = 0,
+ BPF_LINK_TYPE_RAW_TRACEPOINT = 1,
+ BPF_LINK_TYPE_TRACING = 2,
+ BPF_LINK_TYPE_CGROUP = 3,
+ BPF_LINK_TYPE_ITER = 4,
+ BPF_LINK_TYPE_NETNS = 5,
+
+ MAX_BPF_LINK_TYPE,
+};
+
/* cgroup-bpf attach flags used in BPF_PROG_ATTACH command
*
* NONE(default): No further bpf programs allowed in the subtree.
@@ -379,6 +401,12 @@ enum {
*/
#define BPF_F_QUERY_EFFECTIVE (1U << 0)
+/* type for BPF_ENABLE_STATS */
+enum bpf_stats_type {
+ /* enabled run_time_ns and run_cnt */
+ BPF_STATS_RUN_TIME = 0,
+};
+
enum bpf_stack_build_id_status {
/* user space need an empty entry to identify end of a trace */
BPF_STACK_BUILD_ID_EMPTY = 0,
@@ -523,6 +551,7 @@ union bpf_attr {
__u32 prog_id;
__u32 map_id;
__u32 btf_id;
+ __u32 link_id;
};
__u32 next_id;
__u32 open_flags;
@@ -589,6 +618,15 @@ union bpf_attr {
__u32 old_prog_fd;
} link_update;
+ struct { /* struct used by BPF_ENABLE_STATS command */
+ __u32 type;
+ } enable_stats;
+
+ struct { /* struct used by BPF_ITER_CREATE command */
+ __u32 link_fd;
+ __u32 flags;
+ } iter_create;
+
} __attribute__((aligned(8)));
/* The description below is an attempt at providing documentation to eBPF
@@ -644,14 +682,16 @@ union bpf_attr {
* For tracing programs, safely attempt to read *size* bytes from
* kernel space address *unsafe_ptr* and store the data in *dst*.
*
- * Generally, use bpf_probe_read_user() or bpf_probe_read_kernel()
- * instead.
+ * Generally, use **bpf_probe_read_user**\ () or
+ * **bpf_probe_read_kernel**\ () instead.
* Return
* 0 on success, or a negative error in case of failure.
*
* u64 bpf_ktime_get_ns(void)
* Description
* Return the time elapsed since system boot, in nanoseconds.
+ * Does not include time the system was suspended.
+ * See: **clock_gettime**\ (**CLOCK_MONOTONIC**)
* Return
* Current *ktime*.
*
@@ -1510,11 +1550,11 @@ union bpf_attr {
* int bpf_probe_read_str(void *dst, u32 size, const void *unsafe_ptr)
* Description
* Copy a NUL terminated string from an unsafe kernel address
- * *unsafe_ptr* to *dst*. See bpf_probe_read_kernel_str() for
+ * *unsafe_ptr* to *dst*. See **bpf_probe_read_kernel_str**\ () for
* more details.
*
- * Generally, use bpf_probe_read_user_str() or bpf_probe_read_kernel_str()
- * instead.
+ * Generally, use **bpf_probe_read_user_str**\ () or
+ * **bpf_probe_read_kernel_str**\ () instead.
* Return
* On success, the strictly positive length of the string,
* including the trailing NUL character. On error, a negative
@@ -1542,7 +1582,7 @@ union bpf_attr {
*
* u64 bpf_get_socket_cookie(struct bpf_sock_ops *ctx)
* Description
- * Equivalent to bpf_get_socket_cookie() helper that accepts
+ * Equivalent to **bpf_get_socket_cookie**\ () helper that accepts
* *skb*, but gets socket from **struct bpf_sock_ops** context.
* Return
* A 8-byte long non-decreasing number.
@@ -1562,7 +1602,7 @@ union bpf_attr {
* Return
* 0
*
- * int bpf_setsockopt(struct bpf_sock_ops *bpf_socket, int level, int optname, void *optval, int optlen)
+ * int bpf_setsockopt(void *bpf_socket, int level, int optname, void *optval, int optlen)
* Description
* Emulate a call to **setsockopt()** on the socket associated to
* *bpf_socket*, which must be a full socket. The *level* at
@@ -1570,6 +1610,12 @@ union bpf_attr {
* must be specified, see **setsockopt(2)** for more information.
* The option value of length *optlen* is pointed by *optval*.
*
+ * *bpf_socket* should be one of the following:
+ *
+ * * **struct bpf_sock_ops** for **BPF_PROG_TYPE_SOCK_OPS**.
+ * * **struct bpf_sock_addr** for **BPF_CGROUP_INET4_CONNECT**
+ * and **BPF_CGROUP_INET6_CONNECT**.
+ *
* This helper actually implements a subset of **setsockopt()**.
* It supports the following *level*\ s:
*
@@ -1589,6 +1635,13 @@ union bpf_attr {
* Grow or shrink the room for data in the packet associated to
* *skb* by *len_diff*, and according to the selected *mode*.
*
+ * By default, the helper will reset any offloaded checksum
+ * indicator of the skb to CHECKSUM_NONE. This can be avoided
+ * by the following flag:
+ *
+ * * **BPF_F_ADJ_ROOM_NO_CSUM_RESET**: Do not reset offloaded
+ * checksum data of the skb to CHECKSUM_NONE.
+ *
* There are two supported modes at this time:
*
* * **BPF_ADJ_ROOM_MAC**: Adjust room at the mac layer
@@ -1634,15 +1687,15 @@ union bpf_attr {
*
* The lower two bits of *flags* are used as the return code if
* the map lookup fails. This is so that the return value can be
- * one of the XDP program return codes up to XDP_TX, as chosen by
- * the caller. Any higher bits in the *flags* argument must be
+ * one of the XDP program return codes up to **XDP_TX**, as chosen
+ * by the caller. Any higher bits in the *flags* argument must be
* unset.
*
- * See also bpf_redirect(), which only supports redirecting to an
- * ifindex, but doesn't require a map to do so.
+ * See also **bpf_redirect**\ (), which only supports redirecting
+ * to an ifindex, but doesn't require a map to do so.
* Return
* **XDP_REDIRECT** on success, or the value of the two lower bits
- * of the **flags* argument on error.
+ * of the *flags* argument on error.
*
* int bpf_sk_redirect_map(struct sk_buff *skb, struct bpf_map *map, u32 key, u64 flags)
* Description
@@ -1747,7 +1800,7 @@ union bpf_attr {
* the time running for event since last normalization. The
* enabled and running times are accumulated since the perf event
* open. To achieve scaling factor between two invocations of an
- * eBPF program, users can can use CPU id as the key (which is
+ * eBPF program, users can use CPU id as the key (which is
* typical for perf array usage model) to remember the previous
* value and do the calculation inside the eBPF program.
* Return
@@ -1764,7 +1817,7 @@ union bpf_attr {
* Return
* 0 on success, or a negative error in case of failure.
*
- * int bpf_getsockopt(struct bpf_sock_ops *bpf_socket, int level, int optname, void *optval, int optlen)
+ * int bpf_getsockopt(void *bpf_socket, int level, int optname, void *optval, int optlen)
* Description
* Emulate a call to **getsockopt()** on the socket associated to
* *bpf_socket*, which must be a full socket. The *level* at
@@ -1773,6 +1826,12 @@ union bpf_attr {
* The retrieved value is stored in the structure pointed by
* *opval* and of length *optlen*.
*
+ * *bpf_socket* should be one of the following:
+ *
+ * * **struct bpf_sock_ops** for **BPF_PROG_TYPE_SOCK_OPS**.
+ * * **struct bpf_sock_addr** for **BPF_CGROUP_INET4_CONNECT**
+ * and **BPF_CGROUP_INET6_CONNECT**.
+ *
* This helper actually implements a subset of **getsockopt()**.
* It supports the following *level*\ s:
*
@@ -1790,7 +1849,7 @@ union bpf_attr {
* The first argument is the context *regs* on which the kprobe
* works.
*
- * This helper works by setting setting the PC (program counter)
+ * This helper works by setting the PC (program counter)
* to an override function which is run in place of the original
* probed function. This means the probed function is not run at
* all. The replacement function just returns with the required
@@ -1959,18 +2018,19 @@ union bpf_attr {
*
* This helper works for IPv4 and IPv6, TCP and UDP sockets. The
* domain (*addr*\ **->sa_family**) must be **AF_INET** (or
- * **AF_INET6**). Looking for a free port to bind to can be
- * expensive, therefore binding to port is not permitted by the
- * helper: *addr*\ **->sin_port** (or **sin6_port**, respectively)
- * must be set to zero.
+ * **AF_INET6**). It's advised to pass zero port (**sin_port**
+ * or **sin6_port**) which triggers IP_BIND_ADDRESS_NO_PORT-like
+ * behavior and lets the kernel efficiently pick up an unused
+ * port as long as 4-tuple is unique. Passing non-zero port might
+ * lead to degraded performance.
* Return
* 0 on success, or a negative error in case of failure.
*
* int bpf_xdp_adjust_tail(struct xdp_buff *xdp_md, int delta)
* Description
* Adjust (move) *xdp_md*\ **->data_end** by *delta* bytes. It is
- * only possible to shrink the packet as of this writing,
- * therefore *delta* must be a negative integer.
+ * possible to both shrink and grow the packet tail.
+ * Shrink done via *delta* being a negative integer.
*
* A call to this helper is susceptible to change the underlying
* packet buffer. Therefore, at load time, all checks on pointers
@@ -2256,7 +2316,7 @@ union bpf_attr {
* **bpf_rc_keydown**\ () again with the same values, or calling
* **bpf_rc_repeat**\ ().
*
- * Some protocols include a toggle bit, in case the button was
+ * Some protocols include a toggle bit, in case the button was
* released and pressed again between consecutive scancodes.
*
* The *ctx* should point to the lirc sample as passed into
@@ -2602,7 +2662,6 @@ union bpf_attr {
*
* *th* points to the start of the TCP header, while *th_len*
* contains **sizeof**\ (**struct tcphdr**).
- *
* Return
* 0 if *iph* and *th* are a valid SYN cookie ACK, or a negative
* error otherwise.
@@ -2785,7 +2844,6 @@ union bpf_attr {
*
* *th* points to the start of the TCP header, while *th_len*
* contains the length of the TCP header.
- *
* Return
* On success, lower 32 bits hold the generated SYN cookie in
* followed by 16 bits which hold the MSS value for that cookie,
@@ -2868,7 +2926,7 @@ union bpf_attr {
* // size, after checking its boundaries.
* }
*
- * In comparison, using **bpf_probe_read_user()** helper here
+ * In comparison, using **bpf_probe_read_user**\ () helper here
* instead to read the string would require to estimate the length
* at compile time, and would often result in copying more memory
* than necessary.
@@ -2886,14 +2944,14 @@ union bpf_attr {
* int bpf_probe_read_kernel_str(void *dst, u32 size, const void *unsafe_ptr)
* Description
* Copy a NUL terminated string from an unsafe kernel address *unsafe_ptr*
- * to *dst*. Same semantics as with bpf_probe_read_user_str() apply.
+ * to *dst*. Same semantics as with **bpf_probe_read_user_str**\ () apply.
* Return
- * On success, the strictly positive length of the string, including
+ * On success, the strictly positive length of the string, including
* the trailing NUL character. On error, a negative value.
*
* int bpf_tcp_send_ack(void *tp, u32 rcv_nxt)
* Description
- * Send out a tcp-ack. *tp* is the in-kernel struct tcp_sock.
+ * Send out a tcp-ack. *tp* is the in-kernel struct **tcp_sock**.
* *rcv_nxt* is the ack_seq to be sent out.
* Return
* 0 on success, or a negative error in case of failure.
@@ -2921,19 +2979,19 @@ union bpf_attr {
* int bpf_read_branch_records(struct bpf_perf_event_data *ctx, void *buf, u32 size, u64 flags)
* Description
* For an eBPF program attached to a perf event, retrieve the
- * branch records (struct perf_branch_entry) associated to *ctx*
- * and store it in the buffer pointed by *buf* up to size
+ * branch records (**struct perf_branch_entry**) associated to *ctx*
+ * and store it in the buffer pointed by *buf* up to size
* *size* bytes.
* Return
* On success, number of bytes written to *buf*. On error, a
* negative value.
*
* The *flags* can be set to **BPF_F_GET_BRANCH_RECORDS_SIZE** to
- * instead return the number of bytes required to store all the
+ * instead return the number of bytes required to store all the
* branch entries. If this flag is set, *buf* may be NULL.
*
* **-EINVAL** if arguments invalid or **size** not a multiple
- * of sizeof(struct perf_branch_entry).
+ * of **sizeof**\ (**struct perf_branch_entry**\ ).
*
* **-ENOENT** if architecture does not support branch records.
*
@@ -2941,8 +2999,8 @@ union bpf_attr {
* Description
* Returns 0 on success, values for *pid* and *tgid* as seen from the current
* *namespace* will be returned in *nsdata*.
- *
- * On failure, the returned value is one of the following:
+ * Return
+ * 0 on success, or one of the following in case of failure:
*
* **-EINVAL** if dev and inum supplied don't match dev_t and inode number
* with nsfs of current task, or if dev conversion to dev_t lost high bits.
@@ -2981,8 +3039,8 @@ union bpf_attr {
* a global identifier that can be assumed unique. If *ctx* is
* NULL, then the helper returns the cookie for the initial
* network namespace. The cookie itself is very similar to that
- * of bpf_get_socket_cookie() helper, but for network namespaces
- * instead of sockets.
+ * of **bpf_get_socket_cookie**\ () helper, but for network
+ * namespaces instead of sockets.
* Return
* A 8-byte long opaque number.
*
@@ -3017,14 +3075,183 @@ union bpf_attr {
*
* The *flags* argument must be zero.
* Return
- * 0 on success, or a negative errno in case of failure.
- *
- * * **-EINVAL** Unsupported flags specified.
- * * **-ENOENT** Socket is unavailable for assignment.
- * * **-ENETUNREACH** Socket is unreachable (wrong netns).
- * * **-EOPNOTSUPP** Unsupported operation, for example a
- * call from outside of TC ingress.
- * * **-ESOCKTNOSUPPORT** Socket type not supported (reuseport).
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EINVAL** if specified *flags* are not supported.
+ *
+ * **-ENOENT** if the socket is unavailable for assignment.
+ *
+ * **-ENETUNREACH** if the socket is unreachable (wrong netns).
+ *
+ * **-EOPNOTSUPP** if the operation is not supported, for example
+ * a call from outside of TC ingress.
+ *
+ * **-ESOCKTNOSUPPORT** if the socket type is not supported
+ * (reuseport).
+ *
+ * u64 bpf_ktime_get_boot_ns(void)
+ * Description
+ * Return the time elapsed since system boot, in nanoseconds.
+ * Does include the time the system was suspended.
+ * See: **clock_gettime**\ (**CLOCK_BOOTTIME**)
+ * Return
+ * Current *ktime*.
+ *
+ * int bpf_seq_printf(struct seq_file *m, const char *fmt, u32 fmt_size, const void *data, u32 data_len)
+ * Description
+ * **bpf_seq_printf**\ () uses seq_file **seq_printf**\ () to print
+ * out the format string.
+ * The *m* represents the seq_file. The *fmt* and *fmt_size* are for
+ * the format string itself. The *data* and *data_len* are format string
+ * arguments. The *data* are a **u64** array and corresponding format string
+ * values are stored in the array. For strings and pointers where pointees
+ * are accessed, only the pointer values are stored in the *data* array.
+ * The *data_len* is the size of *data* in bytes.
+ *
+ * Formats **%s**, **%p{i,I}{4,6}** requires to read kernel memory.
+ * Reading kernel memory may fail due to either invalid address or
+ * valid address but requiring a major memory fault. If reading kernel memory
+ * fails, the string for **%s** will be an empty string, and the ip
+ * address for **%p{i,I}{4,6}** will be 0. Not returning error to
+ * bpf program is consistent with what **bpf_trace_printk**\ () does for now.
+ * Return
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EBUSY** if per-CPU memory copy buffer is busy, can try again
+ * by returning 1 from bpf program.
+ *
+ * **-EINVAL** if arguments are invalid, or if *fmt* is invalid/unsupported.
+ *
+ * **-E2BIG** if *fmt* contains too many format specifiers.
+ *
+ * **-EOVERFLOW** if an overflow happened: The same object will be tried again.
+ *
+ * int bpf_seq_write(struct seq_file *m, const void *data, u32 len)
+ * Description
+ * **bpf_seq_write**\ () uses seq_file **seq_write**\ () to write the data.
+ * The *m* represents the seq_file. The *data* and *len* represent the
+ * data to write in bytes.
+ * Return
+ * 0 on success, or a negative error in case of failure:
+ *
+ * **-EOVERFLOW** if an overflow happened: The same object will be tried again.
+ *
+ * u64 bpf_sk_cgroup_id(struct bpf_sock *sk)
+ * Description
+ * Return the cgroup v2 id of the socket *sk*.
+ *
+ * *sk* must be a non-**NULL** pointer to a full socket, e.g. one
+ * returned from **bpf_sk_lookup_xxx**\ (),
+ * **bpf_sk_fullsock**\ (), etc. The format of returned id is
+ * same as in **bpf_skb_cgroup_id**\ ().
+ *
+ * This helper is available only if the kernel was compiled with
+ * the **CONFIG_SOCK_CGROUP_DATA** configuration option.
+ * Return
+ * The id is returned or 0 in case the id could not be retrieved.
+ *
+ * u64 bpf_sk_ancestor_cgroup_id(struct bpf_sock *sk, int ancestor_level)
+ * Description
+ * Return id of cgroup v2 that is ancestor of cgroup associated
+ * with the *sk* at the *ancestor_level*. The root cgroup is at
+ * *ancestor_level* zero and each step down the hierarchy
+ * increments the level. If *ancestor_level* == level of cgroup
+ * associated with *sk*, then return value will be same as that
+ * of **bpf_sk_cgroup_id**\ ().
+ *
+ * The helper is useful to implement policies based on cgroups
+ * that are upper in hierarchy than immediate cgroup associated
+ * with *sk*.
+ *
+ * The format of returned id and helper limitations are same as in
+ * **bpf_sk_cgroup_id**\ ().
+ * Return
+ * The id is returned or 0 in case the id could not be retrieved.
+ *
+ * void *bpf_ringbuf_output(void *ringbuf, void *data, u64 size, u64 flags)
+ * Description
+ * Copy *size* bytes from *data* into a ring buffer *ringbuf*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * 0, on success;
+ * < 0, on error.
+ *
+ * void *bpf_ringbuf_reserve(void *ringbuf, u64 size, u64 flags)
+ * Description
+ * Reserve *size* bytes of payload in a ring buffer *ringbuf*.
+ * Return
+ * Valid pointer with *size* bytes of memory available; NULL,
+ * otherwise.
+ *
+ * void bpf_ringbuf_submit(void *data, u64 flags)
+ * Description
+ * Submit reserved ring buffer sample, pointed to by *data*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * Nothing. Always succeeds.
+ *
+ * void bpf_ringbuf_discard(void *data, u64 flags)
+ * Description
+ * Discard reserved ring buffer sample, pointed to by *data*.
+ * If BPF_RB_NO_WAKEUP is specified in *flags*, no notification of
+ * new data availability is sent.
+ * IF BPF_RB_FORCE_WAKEUP is specified in *flags*, notification of
+ * new data availability is sent unconditionally.
+ * Return
+ * Nothing. Always succeeds.
+ *
+ * u64 bpf_ringbuf_query(void *ringbuf, u64 flags)
+ * Description
+ * Query various characteristics of provided ring buffer. What
+ * exactly is queries is determined by *flags*:
+ * - BPF_RB_AVAIL_DATA - amount of data not yet consumed;
+ * - BPF_RB_RING_SIZE - the size of ring buffer;
+ * - BPF_RB_CONS_POS - consumer position (can wrap around);
+ * - BPF_RB_PROD_POS - producer(s) position (can wrap around);
+ * Data returned is just a momentary snapshots of actual values
+ * and could be inaccurate, so this facility should be used to
+ * power heuristics and for reporting, not to make 100% correct
+ * calculation.
+ * Return
+ * Requested value, or 0, if flags are not recognized.
+ *
+ * int bpf_csum_level(struct sk_buff *skb, u64 level)
+ * Description
+ * Change the skbs checksum level by one layer up or down, or
+ * reset it entirely to none in order to have the stack perform
+ * checksum validation. The level is applicable to the following
+ * protocols: TCP, UDP, GRE, SCTP, FCOE. For example, a decap of
+ * | ETH | IP | UDP | GUE | IP | TCP | into | ETH | IP | TCP |
+ * through **bpf_skb_adjust_room**\ () helper with passing in
+ * **BPF_F_ADJ_ROOM_NO_CSUM_RESET** flag would require one call
+ * to **bpf_csum_level**\ () with **BPF_CSUM_LEVEL_DEC** since
+ * the UDP header is removed. Similarly, an encap of the latter
+ * into the former could be accompanied by a helper call to
+ * **bpf_csum_level**\ () with **BPF_CSUM_LEVEL_INC** if the
+ * skb is still intended to be processed in higher layers of the
+ * stack instead of just egressing at tc.
+ *
+ * There are three supported level settings at this time:
+ *
+ * * **BPF_CSUM_LEVEL_INC**: Increases skb->csum_level for skbs
+ * with CHECKSUM_UNNECESSARY.
+ * * **BPF_CSUM_LEVEL_DEC**: Decreases skb->csum_level for skbs
+ * with CHECKSUM_UNNECESSARY.
+ * * **BPF_CSUM_LEVEL_RESET**: Resets skb->csum_level to 0 and
+ * sets CHECKSUM_NONE to force checksum validation by the stack.
+ * * **BPF_CSUM_LEVEL_QUERY**: No-op, returns the current
+ * skb->csum_level.
+ * Return
+ * 0 on success, or a negative error in case of failure. In the
+ * case of **BPF_CSUM_LEVEL_QUERY**, the current skb->csum_level
+ * is returned or the error code -EACCES in case the skb is not
+ * subject to CHECKSUM_UNNECESSARY.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -3151,7 +3378,18 @@ union bpf_attr {
FN(xdp_output), \
FN(get_netns_cookie), \
FN(get_current_ancestor_cgroup_id), \
- FN(sk_assign),
+ FN(sk_assign), \
+ FN(ktime_get_boot_ns), \
+ FN(seq_printf), \
+ FN(seq_write), \
+ FN(sk_cgroup_id), \
+ FN(sk_ancestor_cgroup_id), \
+ FN(ringbuf_output), \
+ FN(ringbuf_reserve), \
+ FN(ringbuf_submit), \
+ FN(ringbuf_discard), \
+ FN(ringbuf_query), \
+ FN(csum_level),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@@ -3228,6 +3466,14 @@ enum {
BPF_F_CURRENT_NETNS = (-1L),
};
+/* BPF_FUNC_csum_level level values. */
+enum {
+ BPF_CSUM_LEVEL_QUERY,
+ BPF_CSUM_LEVEL_INC,
+ BPF_CSUM_LEVEL_DEC,
+ BPF_CSUM_LEVEL_RESET,
+};
+
/* BPF_FUNC_skb_adjust_room flags. */
enum {
BPF_F_ADJ_ROOM_FIXED_GSO = (1ULL << 0),
@@ -3235,6 +3481,7 @@ enum {
BPF_F_ADJ_ROOM_ENCAP_L3_IPV6 = (1ULL << 2),
BPF_F_ADJ_ROOM_ENCAP_L4_GRE = (1ULL << 3),
BPF_F_ADJ_ROOM_ENCAP_L4_UDP = (1ULL << 4),
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET = (1ULL << 5),
};
enum {
@@ -3261,6 +3508,29 @@ enum {
BPF_F_GET_BRANCH_RECORDS_SIZE = (1ULL << 0),
};
+/* BPF_FUNC_bpf_ringbuf_commit, BPF_FUNC_bpf_ringbuf_discard, and
+ * BPF_FUNC_bpf_ringbuf_output flags.
+ */
+enum {
+ BPF_RB_NO_WAKEUP = (1ULL << 0),
+ BPF_RB_FORCE_WAKEUP = (1ULL << 1),
+};
+
+/* BPF_FUNC_bpf_ringbuf_query flags */
+enum {
+ BPF_RB_AVAIL_DATA = 0,
+ BPF_RB_RING_SIZE = 1,
+ BPF_RB_CONS_POS = 2,
+ BPF_RB_PROD_POS = 3,
+};
+
+/* BPF ring buffer constants */
+enum {
+ BPF_RINGBUF_BUSY_BIT = (1U << 31),
+ BPF_RINGBUF_DISCARD_BIT = (1U << 30),
+ BPF_RINGBUF_HDR_SZ = 8,
+};
+
/* Mode for BPF_FUNC_skb_adjust_room helper. */
enum bpf_adj_room_mode {
BPF_ADJ_ROOM_NET,
@@ -3393,6 +3663,7 @@ struct bpf_sock {
__u32 dst_ip4;
__u32 dst_ip6[4];
__u32 state;
+ __s32 rx_queue_mapping;
};
struct bpf_tcp_sock {
@@ -3486,6 +3757,8 @@ struct xdp_md {
/* Below access go through struct xdp_rxq_info */
__u32 ingress_ifindex; /* rxq->dev->ifindex */
__u32 rx_queue_index; /* rxq->queue_index */
+
+ __u32 egress_ifindex; /* txq->dev->ifindex */
};
enum sk_action {
@@ -3508,6 +3781,8 @@ struct sk_msg_md {
__u32 remote_port; /* Stored in network byte order */
__u32 local_port; /* stored in host byte order */
__u32 size; /* Total size of sk_msg */
+
+ __bpf_md_ptr(struct bpf_sock *, sk); /* current socket */
};
struct sk_reuseport_md {
@@ -3598,6 +3873,29 @@ struct bpf_btf_info {
__u32 id;
} __attribute__((aligned(8)));
+struct bpf_link_info {
+ __u32 type;
+ __u32 id;
+ __u32 prog_id;
+ union {
+ struct {
+ __aligned_u64 tp_name; /* in/out: tp_name buffer ptr */
+ __u32 tp_name_len; /* in/out: tp_name buffer len */
+ } raw_tracepoint;
+ struct {
+ __u32 attach_type;
+ } tracing;
+ struct {
+ __u64 cgroup_id;
+ __u32 attach_type;
+ } cgroup;
+ struct {
+ __u32 netns_ino;
+ __u32 attach_type;
+ } netns;
+ };
+} __attribute__((aligned(8)));
+
/* User bpf_sock_addr struct to access socket fields and sockaddr struct passed
* by user and intended to be used by socket (e.g. to bind to, depends on
* attach attach type).
@@ -3610,7 +3908,7 @@ struct bpf_sock_addr {
__u32 user_ip6[4]; /* Allows 1,2,4,8-byte read and 4,8-byte write.
* Stored in network byte order.
*/
- __u32 user_port; /* Allows 4-byte read and write.
+ __u32 user_port; /* Allows 1,2,4-byte read and 4-byte write.
* Stored in network byte order
*/
__u32 family; /* Allows 4-byte read, but no write */
diff --git a/tools/include/uapi/linux/if_link.h b/tools/include/uapi/linux/if_link.h
index ca6665ea758a..cafedbbfefbe 100644
--- a/tools/include/uapi/linux/if_link.h
+++ b/tools/include/uapi/linux/if_link.h
@@ -343,6 +343,7 @@ enum {
IFLA_BRPORT_NEIGH_SUPPRESS,
IFLA_BRPORT_ISOLATED,
IFLA_BRPORT_BACKUP_PORT,
+ IFLA_BRPORT_MRP_RING_OPEN,
__IFLA_BRPORT_MAX
};
#define IFLA_BRPORT_MAX (__IFLA_BRPORT_MAX - 1)
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 428c7dde6b4b..fdd632c833b4 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -116,7 +116,7 @@ struct kvm_irq_level {
* ACPI gsi notion of irq.
* For IA-64 (APIC model) IOAPIC0: irq 0-23; IOAPIC1: irq 24-47..
* For X86 (standard AT mode) PIC0/1: irq 0-15. IOAPIC0: 0-23..
- * For ARM: See Documentation/virt/kvm/api.txt
+ * For ARM: See Documentation/virt/kvm/api.rst
*/
union {
__u32 irq;
@@ -1107,7 +1107,7 @@ struct kvm_xen_hvm_config {
*
* KVM_IRQFD_FLAG_RESAMPLE indicates resamplefd is valid and specifies
* the irqfd to operate in resampling mode for level triggered interrupt
- * emulation. See Documentation/virt/kvm/api.txt.
+ * emulation. See Documentation/virt/kvm/api.rst.
*/
#define KVM_IRQFD_FLAG_RESAMPLE (1 << 1)
diff --git a/tools/include/uapi/linux/stat.h b/tools/include/uapi/linux/stat.h
index ad80a5c885d5..d1192783139a 100644
--- a/tools/include/uapi/linux/stat.h
+++ b/tools/include/uapi/linux/stat.h
@@ -148,9 +148,18 @@ struct statx {
#define STATX_BLOCKS 0x00000400U /* Want/got stx_blocks */
#define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */
#define STATX_BTIME 0x00000800U /* Want/got stx_btime */
-#define STATX_ALL 0x00000fffU /* All currently supported flags */
+
#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */
+#ifndef __KERNEL__
+/*
+ * This is deprecated, and shall remain the same value in the future. To avoid
+ * confusion please use the equivalent (STATX_BASIC_STATS | STATX_BTIME)
+ * instead.
+ */
+#define STATX_ALL 0x00000fffU
+#endif
+
/*
* Attributes to be found in stx_attributes and masked in stx_attributes_mask.
*
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index e83fc8e868f4..d199a3694be8 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -32,6 +32,7 @@ import resource
import struct
import re
import subprocess
+import signal
from collections import defaultdict, namedtuple
from functools import reduce
from datetime import datetime
@@ -228,6 +229,8 @@ IOCTL_NUMBERS = {
'RESET': 0x00002403,
}
+signal_received = False
+
ENCODING = locale.getpreferredencoding(False)
TRACE_FILTER = re.compile(r'^[^\(]*$')
@@ -1500,8 +1503,7 @@ class StdFormat(object):
def get_banner(self):
return self._banner
- @staticmethod
- def get_statline(keys, s):
+ def get_statline(self, keys, s):
res = ''
for key in keys:
res += ' %9d' % s[key].delta
@@ -1517,27 +1519,71 @@ class CSVFormat(object):
def get_banner(self):
return self._banner
- @staticmethod
- def get_statline(keys, s):
+ def get_statline(self, keys, s):
return reduce(lambda res, key: "{},{!s}".format(res, s[key].delta),
keys, '')
def log(stats, opts, frmt, keys):
"""Prints statistics as reiterating key block, multiple value blocks."""
+ global signal_received
line = 0
banner_repeat = 20
+ f = None
+
+ def do_banner(opts):
+ nonlocal f
+ if opts.log_to_file:
+ if not f:
+ try:
+ f = open(opts.log_to_file, 'a')
+ except (IOError, OSError):
+ sys.exit("Error: Could not open file: %s" %
+ opts.log_to_file)
+ if isinstance(frmt, CSVFormat) and f.tell() != 0:
+ return
+ print(frmt.get_banner(), file=f or sys.stdout)
+
+ def do_statline(opts, values):
+ statline = datetime.now().strftime("%Y-%m-%d %H:%M:%S") + \
+ frmt.get_statline(keys, values)
+ print(statline, file=f or sys.stdout)
+
+ do_banner(opts)
+ banner_printed = True
while True:
try:
time.sleep(opts.set_delay)
- if line % banner_repeat == 0:
- print(frmt.get_banner())
- print(datetime.now().strftime("%Y-%m-%d %H:%M:%S") +
- frmt.get_statline(keys, stats.get()))
- line += 1
+ if signal_received:
+ banner_printed = True
+ line = 0
+ f.close()
+ do_banner(opts)
+ signal_received = False
+ if (line % banner_repeat == 0 and not banner_printed and
+ not (opts.log_to_file and isinstance(frmt, CSVFormat))):
+ do_banner(opts)
+ banner_printed = True
+ values = stats.get()
+ if (not opts.skip_zero_records or
+ any(values[k].delta != 0 for k in keys)):
+ do_statline(opts, values)
+ line += 1
+ banner_printed = False
except KeyboardInterrupt:
break
+ if opts.log_to_file:
+ f.close()
+
+
+def handle_signal(sig, frame):
+ global signal_received
+
+ signal_received = True
+
+ return
+
def is_delay_valid(delay):
"""Verify delay is in valid value range."""
@@ -1610,7 +1656,7 @@ Press any other key to refresh statistics immediately.
argparser.add_argument('-c', '--csv',
action='store_true',
default=False,
- help='log in csv format - requires option -l/--log',
+ help='log in csv format - requires option -l/-L',
)
argparser.add_argument('-d', '--debugfs',
action='store_true',
@@ -1638,6 +1684,11 @@ Press any other key to refresh statistics immediately.
default=False,
help='run in logging mode (like vmstat)',
)
+ argparser.add_argument('-L', '--log-to-file',
+ type=str,
+ metavar='FILE',
+ help="like '--log', but logging to a file"
+ )
argparser.add_argument('-p', '--pid',
type=int,
default=0,
@@ -1655,9 +1706,16 @@ Press any other key to refresh statistics immediately.
default=False,
help='retrieve statistics from tracepoints',
)
+ argparser.add_argument('-z', '--skip-zero-records',
+ action='store_true',
+ default=False,
+ help='omit records with all zeros in logging mode',
+ )
options = argparser.parse_args()
- if options.csv and not options.log:
+ if options.csv and not (options.log or options.log_to_file):
sys.exit('Error: Option -c/--csv requires -l/--log')
+ if options.skip_zero_records and not (options.log or options.log_to_file):
+ sys.exit('Error: Option -z/--skip-zero-records requires -l/-L')
try:
# verify that we were passed a valid regex up front
re.compile(options.fields)
@@ -1737,7 +1795,9 @@ def main():
sys.stdout.write(' ' + '\n '.join(sorted(set(event_list))) + '\n')
sys.exit(0)
- if options.log:
+ if options.log or options.log_to_file:
+ if options.log_to_file:
+ signal.signal(signal.SIGHUP, handle_signal)
keys = sorted(stats.get().keys())
if options.csv:
frmt = CSVFormat(keys)
diff --git a/tools/kvm/kvm_stat/kvm_stat.service b/tools/kvm/kvm_stat/kvm_stat.service
new file mode 100644
index 000000000000..71aabaffe779
--- /dev/null
+++ b/tools/kvm/kvm_stat/kvm_stat.service
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+[Unit]
+Description=Service that logs KVM kernel module trace events
+Before=qemu-kvm.service
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/kvm_stat -dtcz -s 10 -L /var/log/kvm_stat.csv
+ExecReload=/bin/kill -HUP $MAINPID
+Restart=always
+SyslogIdentifier=kvm_stat
+SyslogLevel=debug
+
+[Install]
+WantedBy=multi-user.target
diff --git a/tools/kvm/kvm_stat/kvm_stat.txt b/tools/kvm/kvm_stat/kvm_stat.txt
index a97ded2aedad..feaf46451e83 100644
--- a/tools/kvm/kvm_stat/kvm_stat.txt
+++ b/tools/kvm/kvm_stat/kvm_stat.txt
@@ -65,8 +65,10 @@ OPTIONS
run in batch mode for one second
-c::
---csv=<file>::
- log in csv format - requires option -l/--log
+--csv::
+ log in csv format. Requires option -l/--log or -L/--log-to-file.
+ When used with option -L/--log-to-file, the header is only ever
+ written to start of file to preserve the format.
-d::
--debugfs::
@@ -92,6 +94,11 @@ OPTIONS
--log::
run in logging mode (like vmstat)
+
+-L<file>::
+--log-to-file=<file>::
+ like -l/--log, but logging to a file. Appends to existing files.
+
-p<pid>::
--pid=<pid>::
limit statistics to one virtual machine (pid)
@@ -104,6 +111,10 @@ OPTIONS
--tracepoints::
retrieve statistics from tracepoints
+*z*::
+--skip-zero-records::
+ omit records with all zeros in logging mode
+
SEE ALSO
--------
'perf'(1), 'trace-cmd'(1)
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index 027b18f7ed8c..82f53d81a7a7 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -90,6 +90,7 @@ struct fs {
const char * const *mounts;
char path[PATH_MAX];
bool found;
+ bool checked;
long magic;
};
@@ -111,31 +112,37 @@ static struct fs fs__entries[] = {
.name = "sysfs",
.mounts = sysfs__fs_known_mountpoints,
.magic = SYSFS_MAGIC,
+ .checked = false,
},
[FS__PROCFS] = {
.name = "proc",
.mounts = procfs__known_mountpoints,
.magic = PROC_SUPER_MAGIC,
+ .checked = false,
},
[FS__DEBUGFS] = {
.name = "debugfs",
.mounts = debugfs__known_mountpoints,
.magic = DEBUGFS_MAGIC,
+ .checked = false,
},
[FS__TRACEFS] = {
.name = "tracefs",
.mounts = tracefs__known_mountpoints,
.magic = TRACEFS_MAGIC,
+ .checked = false,
},
[FS__HUGETLBFS] = {
.name = "hugetlbfs",
.mounts = hugetlbfs__known_mountpoints,
.magic = HUGETLBFS_MAGIC,
+ .checked = false,
},
[FS__BPF_FS] = {
.name = "bpf",
.mounts = bpf_fs__known_mountpoints,
.magic = BPF_FS_MAGIC,
+ .checked = false,
},
};
@@ -158,6 +165,7 @@ static bool fs__read_mounts(struct fs *fs)
}
fclose(fp);
+ fs->checked = true;
return fs->found = found;
}
@@ -220,6 +228,7 @@ static bool fs__env_override(struct fs *fs)
return false;
fs->found = true;
+ fs->checked = true;
strncpy(fs->path, override_path, sizeof(fs->path) - 1);
fs->path[sizeof(fs->path) - 1] = '\0';
return true;
@@ -246,6 +255,14 @@ static const char *fs__mountpoint(int idx)
if (fs->found)
return (const char *)fs->path;
+ /* the mount point was already checked for the mount point
+ * but and did not exist, so return NULL to avoid scanning again.
+ * This makes the found and not found paths cost equivalent
+ * in case of multiple calls.
+ */
+ if (fs->checked)
+ return NULL;
+
return fs__get_mountpoint(fs);
}
diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h
index 936edb95e1f3..aa222ca30311 100644
--- a/tools/lib/api/fs/fs.h
+++ b/tools/lib/api/fs/fs.h
@@ -18,6 +18,18 @@
const char *name##__mount(void); \
bool name##__configured(void); \
+/*
+ * The xxxx__mountpoint() entry points find the first match mount point for each
+ * filesystems listed below, where xxxx is the filesystem type.
+ *
+ * The interface is as follows:
+ *
+ * - If a mount point is found on first call, it is cached and used for all
+ * subsequent calls.
+ *
+ * - If a mount point is not found, NULL is returned on first call and all
+ * subsequent calls.
+ */
FS(sysfs)
FS(procfs)
FS(debugfs)
diff --git a/tools/lib/api/io.h b/tools/lib/api/io.h
new file mode 100644
index 000000000000..777c20f6b604
--- /dev/null
+++ b/tools/lib/api/io.h
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Lightweight buffered reading library.
+ *
+ * Copyright 2019 Google LLC.
+ */
+#ifndef __API_IO__
+#define __API_IO__
+
+#include <stdlib.h>
+#include <unistd.h>
+
+struct io {
+ /* File descriptor being read/ */
+ int fd;
+ /* Size of the read buffer. */
+ unsigned int buf_len;
+ /* Pointer to storage for buffering read. */
+ char *buf;
+ /* End of the storage. */
+ char *end;
+ /* Currently accessed data pointer. */
+ char *data;
+ /* Set true on when the end of file on read error. */
+ bool eof;
+};
+
+static inline void io__init(struct io *io, int fd,
+ char *buf, unsigned int buf_len)
+{
+ io->fd = fd;
+ io->buf_len = buf_len;
+ io->buf = buf;
+ io->end = buf;
+ io->data = buf;
+ io->eof = false;
+}
+
+/* Reads one character from the "io" file with similar semantics to fgetc. */
+static inline int io__get_char(struct io *io)
+{
+ char *ptr = io->data;
+
+ if (io->eof)
+ return -1;
+
+ if (ptr == io->end) {
+ ssize_t n = read(io->fd, io->buf, io->buf_len);
+
+ if (n <= 0) {
+ io->eof = true;
+ return -1;
+ }
+ ptr = &io->buf[0];
+ io->end = &io->buf[n];
+ }
+ io->data = ptr + 1;
+ return *ptr;
+}
+
+/* Read a hexadecimal value with no 0x prefix into the out argument hex. If the
+ * first character isn't hexadecimal returns -2, io->eof returns -1, otherwise
+ * returns the character after the hexadecimal value which may be -1 for eof.
+ * If the read value is larger than a u64 the high-order bits will be dropped.
+ */
+static inline int io__get_hex(struct io *io, __u64 *hex)
+{
+ bool first_read = true;
+
+ *hex = 0;
+ while (true) {
+ int ch = io__get_char(io);
+
+ if (ch < 0)
+ return ch;
+ if (ch >= '0' && ch <= '9')
+ *hex = (*hex << 4) | (ch - '0');
+ else if (ch >= 'a' && ch <= 'f')
+ *hex = (*hex << 4) | (ch - 'a' + 10);
+ else if (ch >= 'A' && ch <= 'F')
+ *hex = (*hex << 4) | (ch - 'A' + 10);
+ else if (first_read)
+ return -2;
+ else
+ return ch;
+ first_read = false;
+ }
+}
+
+/* Read a positive decimal value with out argument dec. If the first character
+ * isn't a decimal returns -2, io->eof returns -1, otherwise returns the
+ * character after the decimal value which may be -1 for eof. If the read value
+ * is larger than a u64 the high-order bits will be dropped.
+ */
+static inline int io__get_dec(struct io *io, __u64 *dec)
+{
+ bool first_read = true;
+
+ *dec = 0;
+ while (true) {
+ int ch = io__get_char(io);
+
+ if (ch < 0)
+ return ch;
+ if (ch >= '0' && ch <= '9')
+ *dec = (*dec * 10) + ch - '0';
+ else if (first_read)
+ return -2;
+ else
+ return ch;
+ first_read = false;
+ }
+}
+
+#endif /* __API_IO__ */
diff --git a/tools/lib/bpf/Build b/tools/lib/bpf/Build
index e3962cfbc9a6..190366d05588 100644
--- a/tools/lib/bpf/Build
+++ b/tools/lib/bpf/Build
@@ -1,3 +1,3 @@
libbpf-y := libbpf.o bpf.o nlattr.o btf.o libbpf_errno.o str_error.o \
netlink.o bpf_prog_linfo.o libbpf_probes.o xsk.o hashmap.o \
- btf_dump.o
+ btf_dump.o ringbuf.o
diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile
index aee7f1a83c77..bf8ed134cb8a 100644
--- a/tools/lib/bpf/Makefile
+++ b/tools/lib/bpf/Makefile
@@ -151,7 +151,7 @@ GLOBAL_SYM_COUNT = $(shell readelf -s --wide $(BPF_IN_SHARED) | \
sed 's/\[.*\]//' | \
awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}' | \
sort -u | wc -l)
-VERSIONED_SYM_COUNT = $(shell readelf -s --wide $(OUTPUT)libbpf.so | \
+VERSIONED_SYM_COUNT = $(shell readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | sort -u | wc -l)
CMD_TARGETS = $(LIB_TARGET) $(PC_FILE)
@@ -218,7 +218,7 @@ check_abi: $(OUTPUT)libbpf.so
sed 's/\[.*\]//' | \
awk '/GLOBAL/ && /DEFAULT/ && !/UND/ {print $$NF}'| \
sort -u > $(OUTPUT)libbpf_global_syms.tmp; \
- readelf -s --wide $(OUTPUT)libbpf.so | \
+ readelf --dyn-syms --wide $(OUTPUT)libbpf.so | \
grep -Eo '[^ ]+@LIBBPF_' | cut -d@ -f1 | \
sort -u > $(OUTPUT)libbpf_versioned_syms.tmp; \
diff -u $(OUTPUT)libbpf_global_syms.tmp \
@@ -264,7 +264,7 @@ install_pkgconfig: $(PC_FILE)
$(call QUIET_INSTALL, $(PC_FILE)) \
$(call do_install,$(PC_FILE),$(libdir_SQ)/pkgconfig,644)
-install: install_lib install_pkgconfig
+install: install_lib install_pkgconfig install_headers
### Cleaning rules
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 5cc1b0785d18..a7329b671c41 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -619,6 +619,16 @@ int bpf_link_update(int link_fd, int new_prog_fd,
return sys_bpf(BPF_LINK_UPDATE, &attr, sizeof(attr));
}
+int bpf_iter_create(int link_fd)
+{
+ union bpf_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.iter_create.link_fd = link_fd;
+
+ return sys_bpf(BPF_ITER_CREATE, &attr, sizeof(attr));
+}
+
int bpf_prog_query(int target_fd, enum bpf_attach_type type, __u32 query_flags,
__u32 *attach_flags, __u32 *prog_ids, __u32 *prog_cnt)
{
@@ -721,6 +731,11 @@ int bpf_btf_get_next_id(__u32 start_id, __u32 *next_id)
return bpf_obj_get_next_id(start_id, next_id, BPF_BTF_GET_NEXT_ID);
}
+int bpf_link_get_next_id(__u32 start_id, __u32 *next_id)
+{
+ return bpf_obj_get_next_id(start_id, next_id, BPF_LINK_GET_NEXT_ID);
+}
+
int bpf_prog_get_fd_by_id(__u32 id)
{
union bpf_attr attr;
@@ -751,13 +766,23 @@ int bpf_btf_get_fd_by_id(__u32 id)
return sys_bpf(BPF_BTF_GET_FD_BY_ID, &attr, sizeof(attr));
}
-int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len)
+int bpf_link_get_fd_by_id(__u32 id)
+{
+ union bpf_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.link_id = id;
+
+ return sys_bpf(BPF_LINK_GET_FD_BY_ID, &attr, sizeof(attr));
+}
+
+int bpf_obj_get_info_by_fd(int bpf_fd, void *info, __u32 *info_len)
{
union bpf_attr attr;
int err;
memset(&attr, 0, sizeof(attr));
- attr.info.bpf_fd = prog_fd;
+ attr.info.bpf_fd = bpf_fd;
attr.info.info_len = *info_len;
attr.info.info = ptr_to_u64(info);
@@ -826,3 +851,13 @@ int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf, __u32 *buf_len,
return err;
}
+
+int bpf_enable_stats(enum bpf_stats_type type)
+{
+ union bpf_attr attr;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.enable_stats.type = type;
+
+ return sys_bpf(BPF_ENABLE_STATS, &attr, sizeof(attr));
+}
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 46d47afdd887..1b6015b21ba8 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -187,6 +187,8 @@ struct bpf_link_update_opts {
LIBBPF_API int bpf_link_update(int link_fd, int new_prog_fd,
const struct bpf_link_update_opts *opts);
+LIBBPF_API int bpf_iter_create(int link_fd);
+
struct bpf_prog_test_run_attr {
int prog_fd;
int repeat;
@@ -216,10 +218,12 @@ LIBBPF_API int bpf_prog_test_run(int prog_fd, int repeat, void *data,
LIBBPF_API int bpf_prog_get_next_id(__u32 start_id, __u32 *next_id);
LIBBPF_API int bpf_map_get_next_id(__u32 start_id, __u32 *next_id);
LIBBPF_API int bpf_btf_get_next_id(__u32 start_id, __u32 *next_id);
+LIBBPF_API int bpf_link_get_next_id(__u32 start_id, __u32 *next_id);
LIBBPF_API int bpf_prog_get_fd_by_id(__u32 id);
LIBBPF_API int bpf_map_get_fd_by_id(__u32 id);
LIBBPF_API int bpf_btf_get_fd_by_id(__u32 id);
-LIBBPF_API int bpf_obj_get_info_by_fd(int prog_fd, void *info, __u32 *info_len);
+LIBBPF_API int bpf_link_get_fd_by_id(__u32 id);
+LIBBPF_API int bpf_obj_get_info_by_fd(int bpf_fd, void *info, __u32 *info_len);
LIBBPF_API int bpf_prog_query(int target_fd, enum bpf_attach_type type,
__u32 query_flags, __u32 *attach_flags,
__u32 *prog_ids, __u32 *prog_cnt);
@@ -229,6 +233,7 @@ LIBBPF_API int bpf_load_btf(void *btf, __u32 btf_size, char *log_buf,
LIBBPF_API int bpf_task_fd_query(int pid, int fd, __u32 flags, char *buf,
__u32 *buf_len, __u32 *prog_id, __u32 *fd_type,
__u64 *probe_offset, __u64 *probe_addr);
+LIBBPF_API int bpf_enable_stats(enum bpf_stats_type type);
#ifdef __cplusplus
} /* extern "C" */
diff --git a/tools/lib/bpf/bpf_helpers.h b/tools/lib/bpf/bpf_helpers.h
index f69cc208778a..f67dce2af802 100644
--- a/tools/lib/bpf/bpf_helpers.h
+++ b/tools/lib/bpf/bpf_helpers.h
@@ -2,10 +2,17 @@
#ifndef __BPF_HELPERS__
#define __BPF_HELPERS__
+/*
+ * Note that bpf programs need to include either
+ * vmlinux.h (auto-generated from BTF) or linux/types.h
+ * in advance since bpf_helper_defs.h uses such types
+ * as __u64.
+ */
#include "bpf_helper_defs.h"
#define __uint(name, val) int (*name)[val]
#define __type(name, val) typeof(val) *name
+#define __array(name, val) typeof(val) *name[]
/* Helper macro to print out debug messages */
#define bpf_printk(fmt, ...) \
@@ -30,6 +37,20 @@
#endif
/*
+ * Helper macro to manipulate data structures
+ */
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
+#endif
+#ifndef container_of
+#define container_of(ptr, type, member) \
+ ({ \
+ void *__mptr = (void *)(ptr); \
+ ((type *)(__mptr - offsetof(type, member))); \
+ })
+#endif
+
+/*
* Helper structure used by eBPF C program
* to describe BPF map attributes to libbpf loader
*/
diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h
index f3f3c3fb98cb..58eceb884df3 100644
--- a/tools/lib/bpf/bpf_tracing.h
+++ b/tools/lib/bpf/bpf_tracing.h
@@ -148,11 +148,11 @@ struct pt_regs;
#define PT_REGS_PARM3_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[4])
#define PT_REGS_PARM4_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[5])
#define PT_REGS_PARM5_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[6])
-#define PT_REGS_RET_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), grps[14])
+#define PT_REGS_RET_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[14])
#define PT_REGS_FP_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[11])
#define PT_REGS_RC_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[2])
#define PT_REGS_SP_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), gprs[15])
-#define PT_REGS_IP_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), pdw.addr)
+#define PT_REGS_IP_CORE(x) BPF_CORE_READ((PT_REGS_S390 *)(x), psw.addr)
#elif defined(bpf_target_arm)
@@ -413,4 +413,20 @@ typeof(name(0)) name(struct pt_regs *ctx) \
} \
static __always_inline typeof(name(0)) ____##name(struct pt_regs *ctx, ##args)
+/*
+ * BPF_SEQ_PRINTF to wrap bpf_seq_printf to-be-printed values
+ * in a structure.
+ */
+#define BPF_SEQ_PRINTF(seq, fmt, args...) \
+ ({ \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wint-conversion\"") \
+ static const char ___fmt[] = fmt; \
+ unsigned long long ___param[] = { args }; \
+ _Pragma("GCC diagnostic pop") \
+ int ___ret = bpf_seq_printf(seq, ___fmt, sizeof(___fmt), \
+ ___param, sizeof(___param)); \
+ ___ret; \
+ })
+
#endif
diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index 0c28ee82834b..de07e559a11d 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -658,7 +658,7 @@ static void btf_dump_emit_type(struct btf_dump *d, __u32 id, __u32 cont_id)
if (!btf_dump_is_blacklisted(d, id)) {
btf_dump_emit_typedef_def(d, id, t, 0);
btf_dump_printf(d, ";\n\n");
- };
+ }
tstate->fwd_emitted = 1;
break;
default:
diff --git a/tools/lib/bpf/hashmap.c b/tools/lib/bpf/hashmap.c
index 54c30c802070..a405dad068f5 100644
--- a/tools/lib/bpf/hashmap.c
+++ b/tools/lib/bpf/hashmap.c
@@ -59,7 +59,14 @@ struct hashmap *hashmap__new(hashmap_hash_fn hash_fn,
void hashmap__clear(struct hashmap *map)
{
+ struct hashmap_entry *cur, *tmp;
+ size_t bkt;
+
+ hashmap__for_each_entry_safe(map, cur, tmp, bkt) {
+ free(cur);
+ }
free(map->buckets);
+ map->buckets = NULL;
map->cap = map->cap_bits = map->sz = 0;
}
@@ -93,8 +100,7 @@ static int hashmap_grow(struct hashmap *map)
struct hashmap_entry **new_buckets;
struct hashmap_entry *cur, *tmp;
size_t new_cap_bits, new_cap;
- size_t h;
- int bkt;
+ size_t h, bkt;
new_cap_bits = map->cap_bits + 1;
if (new_cap_bits < HASHMAP_MIN_CAP_BITS)
diff --git a/tools/lib/bpf/hashmap.h b/tools/lib/bpf/hashmap.h
index bae8879cdf58..e823b35e7371 100644
--- a/tools/lib/bpf/hashmap.h
+++ b/tools/lib/bpf/hashmap.h
@@ -15,7 +15,6 @@
#else
#include <bits/reg.h>
#endif
-#include "libbpf_internal.h"
static inline size_t hash_bits(size_t h, int bits)
{
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 8f480e29a6b0..7f01be2b88b8 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -310,6 +310,7 @@ struct bpf_map {
int map_ifindex;
int inner_map_fd;
struct bpf_map_def def;
+ __u32 btf_var_idx;
__u32 btf_key_type_id;
__u32 btf_value_type_id;
__u32 btf_vmlinux_value_type_id;
@@ -318,6 +319,9 @@ struct bpf_map {
enum libbpf_map_type libbpf_type;
void *mmaped;
struct bpf_struct_ops *st_ops;
+ struct bpf_map *inner_map;
+ void **init_slots;
+ int init_slots_sz;
char *pin_path;
bool pinned;
bool reused;
@@ -389,6 +393,7 @@ struct bpf_object {
int nr_reloc_sects;
int maps_shndx;
int btf_maps_shndx;
+ __u32 btf_maps_sec_btf_id;
int text_shndx;
int symbols_shndx;
int data_shndx;
@@ -1914,109 +1919,54 @@ static int build_map_pin_path(struct bpf_map *map, const char *path)
return 0;
}
-static int bpf_object__init_user_btf_map(struct bpf_object *obj,
- const struct btf_type *sec,
- int var_idx, int sec_idx,
- const Elf_Data *data, bool strict,
- const char *pin_root_path)
+
+static int parse_btf_map_def(struct bpf_object *obj,
+ struct bpf_map *map,
+ const struct btf_type *def,
+ bool strict, bool is_inner,
+ const char *pin_root_path)
{
- const struct btf_type *var, *def, *t;
- const struct btf_var_secinfo *vi;
- const struct btf_var *var_extra;
+ const struct btf_type *t;
const struct btf_member *m;
- const char *map_name;
- struct bpf_map *map;
int vlen, i;
- vi = btf_var_secinfos(sec) + var_idx;
- var = btf__type_by_id(obj->btf, vi->type);
- var_extra = btf_var(var);
- map_name = btf__name_by_offset(obj->btf, var->name_off);
- vlen = btf_vlen(var);
-
- if (map_name == NULL || map_name[0] == '\0') {
- pr_warn("map #%d: empty name.\n", var_idx);
- return -EINVAL;
- }
- if ((__u64)vi->offset + vi->size > data->d_size) {
- pr_warn("map '%s' BTF data is corrupted.\n", map_name);
- return -EINVAL;
- }
- if (!btf_is_var(var)) {
- pr_warn("map '%s': unexpected var kind %u.\n",
- map_name, btf_kind(var));
- return -EINVAL;
- }
- if (var_extra->linkage != BTF_VAR_GLOBAL_ALLOCATED &&
- var_extra->linkage != BTF_VAR_STATIC) {
- pr_warn("map '%s': unsupported var linkage %u.\n",
- map_name, var_extra->linkage);
- return -EOPNOTSUPP;
- }
-
- def = skip_mods_and_typedefs(obj->btf, var->type, NULL);
- if (!btf_is_struct(def)) {
- pr_warn("map '%s': unexpected def kind %u.\n",
- map_name, btf_kind(var));
- return -EINVAL;
- }
- if (def->size > vi->size) {
- pr_warn("map '%s': invalid def size.\n", map_name);
- return -EINVAL;
- }
-
- map = bpf_object__add_map(obj);
- if (IS_ERR(map))
- return PTR_ERR(map);
- map->name = strdup(map_name);
- if (!map->name) {
- pr_warn("map '%s': failed to alloc map name.\n", map_name);
- return -ENOMEM;
- }
- map->libbpf_type = LIBBPF_MAP_UNSPEC;
- map->def.type = BPF_MAP_TYPE_UNSPEC;
- map->sec_idx = sec_idx;
- map->sec_offset = vi->offset;
- pr_debug("map '%s': at sec_idx %d, offset %zu.\n",
- map_name, map->sec_idx, map->sec_offset);
-
vlen = btf_vlen(def);
m = btf_members(def);
for (i = 0; i < vlen; i++, m++) {
const char *name = btf__name_by_offset(obj->btf, m->name_off);
if (!name) {
- pr_warn("map '%s': invalid field #%d.\n", map_name, i);
+ pr_warn("map '%s': invalid field #%d.\n", map->name, i);
return -EINVAL;
}
if (strcmp(name, "type") == 0) {
- if (!get_map_field_int(map_name, obj->btf, m,
+ if (!get_map_field_int(map->name, obj->btf, m,
&map->def.type))
return -EINVAL;
pr_debug("map '%s': found type = %u.\n",
- map_name, map->def.type);
+ map->name, map->def.type);
} else if (strcmp(name, "max_entries") == 0) {
- if (!get_map_field_int(map_name, obj->btf, m,
+ if (!get_map_field_int(map->name, obj->btf, m,
&map->def.max_entries))
return -EINVAL;
pr_debug("map '%s': found max_entries = %u.\n",
- map_name, map->def.max_entries);
+ map->name, map->def.max_entries);
} else if (strcmp(name, "map_flags") == 0) {
- if (!get_map_field_int(map_name, obj->btf, m,
+ if (!get_map_field_int(map->name, obj->btf, m,
&map->def.map_flags))
return -EINVAL;
pr_debug("map '%s': found map_flags = %u.\n",
- map_name, map->def.map_flags);
+ map->name, map->def.map_flags);
} else if (strcmp(name, "key_size") == 0) {
__u32 sz;
- if (!get_map_field_int(map_name, obj->btf, m, &sz))
+ if (!get_map_field_int(map->name, obj->btf, m, &sz))
return -EINVAL;
pr_debug("map '%s': found key_size = %u.\n",
- map_name, sz);
+ map->name, sz);
if (map->def.key_size && map->def.key_size != sz) {
pr_warn("map '%s': conflicting key size %u != %u.\n",
- map_name, map->def.key_size, sz);
+ map->name, map->def.key_size, sz);
return -EINVAL;
}
map->def.key_size = sz;
@@ -2026,25 +1976,25 @@ static int bpf_object__init_user_btf_map(struct bpf_object *obj,
t = btf__type_by_id(obj->btf, m->type);
if (!t) {
pr_warn("map '%s': key type [%d] not found.\n",
- map_name, m->type);
+ map->name, m->type);
return -EINVAL;
}
if (!btf_is_ptr(t)) {
pr_warn("map '%s': key spec is not PTR: %u.\n",
- map_name, btf_kind(t));
+ map->name, btf_kind(t));
return -EINVAL;
}
sz = btf__resolve_size(obj->btf, t->type);
if (sz < 0) {
pr_warn("map '%s': can't determine key size for type [%u]: %zd.\n",
- map_name, t->type, (ssize_t)sz);
+ map->name, t->type, (ssize_t)sz);
return sz;
}
pr_debug("map '%s': found key [%u], sz = %zd.\n",
- map_name, t->type, (ssize_t)sz);
+ map->name, t->type, (ssize_t)sz);
if (map->def.key_size && map->def.key_size != sz) {
pr_warn("map '%s': conflicting key size %u != %zd.\n",
- map_name, map->def.key_size, (ssize_t)sz);
+ map->name, map->def.key_size, (ssize_t)sz);
return -EINVAL;
}
map->def.key_size = sz;
@@ -2052,13 +2002,13 @@ static int bpf_object__init_user_btf_map(struct bpf_object *obj,
} else if (strcmp(name, "value_size") == 0) {
__u32 sz;
- if (!get_map_field_int(map_name, obj->btf, m, &sz))
+ if (!get_map_field_int(map->name, obj->btf, m, &sz))
return -EINVAL;
pr_debug("map '%s': found value_size = %u.\n",
- map_name, sz);
+ map->name, sz);
if (map->def.value_size && map->def.value_size != sz) {
pr_warn("map '%s': conflicting value size %u != %u.\n",
- map_name, map->def.value_size, sz);
+ map->name, map->def.value_size, sz);
return -EINVAL;
}
map->def.value_size = sz;
@@ -2068,71 +2018,207 @@ static int bpf_object__init_user_btf_map(struct bpf_object *obj,
t = btf__type_by_id(obj->btf, m->type);
if (!t) {
pr_warn("map '%s': value type [%d] not found.\n",
- map_name, m->type);
+ map->name, m->type);
return -EINVAL;
}
if (!btf_is_ptr(t)) {
pr_warn("map '%s': value spec is not PTR: %u.\n",
- map_name, btf_kind(t));
+ map->name, btf_kind(t));
return -EINVAL;
}
sz = btf__resolve_size(obj->btf, t->type);
if (sz < 0) {
pr_warn("map '%s': can't determine value size for type [%u]: %zd.\n",
- map_name, t->type, (ssize_t)sz);
+ map->name, t->type, (ssize_t)sz);
return sz;
}
pr_debug("map '%s': found value [%u], sz = %zd.\n",
- map_name, t->type, (ssize_t)sz);
+ map->name, t->type, (ssize_t)sz);
if (map->def.value_size && map->def.value_size != sz) {
pr_warn("map '%s': conflicting value size %u != %zd.\n",
- map_name, map->def.value_size, (ssize_t)sz);
+ map->name, map->def.value_size, (ssize_t)sz);
return -EINVAL;
}
map->def.value_size = sz;
map->btf_value_type_id = t->type;
+ }
+ else if (strcmp(name, "values") == 0) {
+ int err;
+
+ if (is_inner) {
+ pr_warn("map '%s': multi-level inner maps not supported.\n",
+ map->name);
+ return -ENOTSUP;
+ }
+ if (i != vlen - 1) {
+ pr_warn("map '%s': '%s' member should be last.\n",
+ map->name, name);
+ return -EINVAL;
+ }
+ if (!bpf_map_type__is_map_in_map(map->def.type)) {
+ pr_warn("map '%s': should be map-in-map.\n",
+ map->name);
+ return -ENOTSUP;
+ }
+ if (map->def.value_size && map->def.value_size != 4) {
+ pr_warn("map '%s': conflicting value size %u != 4.\n",
+ map->name, map->def.value_size);
+ return -EINVAL;
+ }
+ map->def.value_size = 4;
+ t = btf__type_by_id(obj->btf, m->type);
+ if (!t) {
+ pr_warn("map '%s': map-in-map inner type [%d] not found.\n",
+ map->name, m->type);
+ return -EINVAL;
+ }
+ if (!btf_is_array(t) || btf_array(t)->nelems) {
+ pr_warn("map '%s': map-in-map inner spec is not a zero-sized array.\n",
+ map->name);
+ return -EINVAL;
+ }
+ t = skip_mods_and_typedefs(obj->btf, btf_array(t)->type,
+ NULL);
+ if (!btf_is_ptr(t)) {
+ pr_warn("map '%s': map-in-map inner def is of unexpected kind %u.\n",
+ map->name, btf_kind(t));
+ return -EINVAL;
+ }
+ t = skip_mods_and_typedefs(obj->btf, t->type, NULL);
+ if (!btf_is_struct(t)) {
+ pr_warn("map '%s': map-in-map inner def is of unexpected kind %u.\n",
+ map->name, btf_kind(t));
+ return -EINVAL;
+ }
+
+ map->inner_map = calloc(1, sizeof(*map->inner_map));
+ if (!map->inner_map)
+ return -ENOMEM;
+ map->inner_map->sec_idx = obj->efile.btf_maps_shndx;
+ map->inner_map->name = malloc(strlen(map->name) +
+ sizeof(".inner") + 1);
+ if (!map->inner_map->name)
+ return -ENOMEM;
+ sprintf(map->inner_map->name, "%s.inner", map->name);
+
+ err = parse_btf_map_def(obj, map->inner_map, t, strict,
+ true /* is_inner */, NULL);
+ if (err)
+ return err;
} else if (strcmp(name, "pinning") == 0) {
__u32 val;
int err;
- if (!get_map_field_int(map_name, obj->btf, m, &val))
+ if (is_inner) {
+ pr_debug("map '%s': inner def can't be pinned.\n",
+ map->name);
+ return -EINVAL;
+ }
+ if (!get_map_field_int(map->name, obj->btf, m, &val))
return -EINVAL;
pr_debug("map '%s': found pinning = %u.\n",
- map_name, val);
+ map->name, val);
if (val != LIBBPF_PIN_NONE &&
val != LIBBPF_PIN_BY_NAME) {
pr_warn("map '%s': invalid pinning value %u.\n",
- map_name, val);
+ map->name, val);
return -EINVAL;
}
if (val == LIBBPF_PIN_BY_NAME) {
err = build_map_pin_path(map, pin_root_path);
if (err) {
pr_warn("map '%s': couldn't build pin path.\n",
- map_name);
+ map->name);
return err;
}
}
} else {
if (strict) {
pr_warn("map '%s': unknown field '%s'.\n",
- map_name, name);
+ map->name, name);
return -ENOTSUP;
}
pr_debug("map '%s': ignoring unknown field '%s'.\n",
- map_name, name);
+ map->name, name);
}
}
if (map->def.type == BPF_MAP_TYPE_UNSPEC) {
- pr_warn("map '%s': map type isn't specified.\n", map_name);
+ pr_warn("map '%s': map type isn't specified.\n", map->name);
return -EINVAL;
}
return 0;
}
+static int bpf_object__init_user_btf_map(struct bpf_object *obj,
+ const struct btf_type *sec,
+ int var_idx, int sec_idx,
+ const Elf_Data *data, bool strict,
+ const char *pin_root_path)
+{
+ const struct btf_type *var, *def;
+ const struct btf_var_secinfo *vi;
+ const struct btf_var *var_extra;
+ const char *map_name;
+ struct bpf_map *map;
+
+ vi = btf_var_secinfos(sec) + var_idx;
+ var = btf__type_by_id(obj->btf, vi->type);
+ var_extra = btf_var(var);
+ map_name = btf__name_by_offset(obj->btf, var->name_off);
+
+ if (map_name == NULL || map_name[0] == '\0') {
+ pr_warn("map #%d: empty name.\n", var_idx);
+ return -EINVAL;
+ }
+ if ((__u64)vi->offset + vi->size > data->d_size) {
+ pr_warn("map '%s' BTF data is corrupted.\n", map_name);
+ return -EINVAL;
+ }
+ if (!btf_is_var(var)) {
+ pr_warn("map '%s': unexpected var kind %u.\n",
+ map_name, btf_kind(var));
+ return -EINVAL;
+ }
+ if (var_extra->linkage != BTF_VAR_GLOBAL_ALLOCATED &&
+ var_extra->linkage != BTF_VAR_STATIC) {
+ pr_warn("map '%s': unsupported var linkage %u.\n",
+ map_name, var_extra->linkage);
+ return -EOPNOTSUPP;
+ }
+
+ def = skip_mods_and_typedefs(obj->btf, var->type, NULL);
+ if (!btf_is_struct(def)) {
+ pr_warn("map '%s': unexpected def kind %u.\n",
+ map_name, btf_kind(var));
+ return -EINVAL;
+ }
+ if (def->size > vi->size) {
+ pr_warn("map '%s': invalid def size.\n", map_name);
+ return -EINVAL;
+ }
+
+ map = bpf_object__add_map(obj);
+ if (IS_ERR(map))
+ return PTR_ERR(map);
+ map->name = strdup(map_name);
+ if (!map->name) {
+ pr_warn("map '%s': failed to alloc map name.\n", map_name);
+ return -ENOMEM;
+ }
+ map->libbpf_type = LIBBPF_MAP_UNSPEC;
+ map->def.type = BPF_MAP_TYPE_UNSPEC;
+ map->sec_idx = sec_idx;
+ map->sec_offset = vi->offset;
+ map->btf_var_idx = var_idx;
+ pr_debug("map '%s': at sec_idx %d, offset %zu.\n",
+ map_name, map->sec_idx, map->sec_offset);
+
+ return parse_btf_map_def(obj, map, def, strict, false, pin_root_path);
+}
+
static int bpf_object__init_user_btf_maps(struct bpf_object *obj, bool strict,
const char *pin_root_path)
{
@@ -2163,6 +2249,7 @@ static int bpf_object__init_user_btf_maps(struct bpf_object *obj, bool strict,
name = btf__name_by_offset(obj->btf, t->name_off);
if (strcmp(name, MAPS_ELF_SEC) == 0) {
sec = t;
+ obj->efile.btf_maps_sec_btf_id = i;
break;
}
}
@@ -2549,7 +2636,8 @@ static int bpf_object__elf_collect(struct bpf_object *obj)
/* Only do relo for section with exec instructions */
if (!section_have_execinstr(obj, sec) &&
- strcmp(name, ".rel" STRUCT_OPS_SEC)) {
+ strcmp(name, ".rel" STRUCT_OPS_SEC) &&
+ strcmp(name, ".rel" MAPS_ELF_SEC)) {
pr_debug("skip relo %s(%d) for section(%d)\n",
name, idx, sec);
continue;
@@ -3149,7 +3237,7 @@ int bpf_map__resize(struct bpf_map *map, __u32 max_entries)
}
static int
-bpf_object__probe_name(struct bpf_object *obj)
+bpf_object__probe_loading(struct bpf_object *obj)
{
struct bpf_load_program_attr attr;
char *cp, errmsg[STRERR_BUFSIZE];
@@ -3169,15 +3257,36 @@ bpf_object__probe_name(struct bpf_object *obj)
ret = bpf_load_program_xattr(&attr, NULL, 0);
if (ret < 0) {
- cp = libbpf_strerror_r(errno, errmsg, sizeof(errmsg));
- pr_warn("Error in %s():%s(%d). Couldn't load basic 'r0 = 0' BPF program.\n",
- __func__, cp, errno);
- return -errno;
+ ret = errno;
+ cp = libbpf_strerror_r(ret, errmsg, sizeof(errmsg));
+ pr_warn("Error in %s():%s(%d). Couldn't load trivial BPF "
+ "program. Make sure your kernel supports BPF "
+ "(CONFIG_BPF_SYSCALL=y) and/or that RLIMIT_MEMLOCK is "
+ "set to big enough value.\n", __func__, cp, ret);
+ return -ret;
}
close(ret);
- /* now try the same program, but with the name */
+ return 0;
+}
+
+static int
+bpf_object__probe_name(struct bpf_object *obj)
+{
+ struct bpf_load_program_attr attr;
+ struct bpf_insn insns[] = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ };
+ int ret;
+
+ /* make sure loading with name works */
+ memset(&attr, 0, sizeof(attr));
+ attr.prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+ attr.insns = insns;
+ attr.insns_cnt = ARRAY_SIZE(insns);
+ attr.license = "GPL";
attr.name = "test";
ret = bpf_load_program_xattr(&attr, NULL, 0);
if (ret >= 0) {
@@ -3482,124 +3591,181 @@ bpf_object__populate_internal_map(struct bpf_object *obj, struct bpf_map *map)
return 0;
}
+static void bpf_map__destroy(struct bpf_map *map);
+
+static int bpf_object__create_map(struct bpf_object *obj, struct bpf_map *map)
+{
+ struct bpf_create_map_attr create_attr;
+ struct bpf_map_def *def = &map->def;
+
+ memset(&create_attr, 0, sizeof(create_attr));
+
+ if (obj->caps.name)
+ create_attr.name = map->name;
+ create_attr.map_ifindex = map->map_ifindex;
+ create_attr.map_type = def->type;
+ create_attr.map_flags = def->map_flags;
+ create_attr.key_size = def->key_size;
+ create_attr.value_size = def->value_size;
+
+ if (def->type == BPF_MAP_TYPE_PERF_EVENT_ARRAY && !def->max_entries) {
+ int nr_cpus;
+
+ nr_cpus = libbpf_num_possible_cpus();
+ if (nr_cpus < 0) {
+ pr_warn("map '%s': failed to determine number of system CPUs: %d\n",
+ map->name, nr_cpus);
+ return nr_cpus;
+ }
+ pr_debug("map '%s': setting size to %d\n", map->name, nr_cpus);
+ create_attr.max_entries = nr_cpus;
+ } else {
+ create_attr.max_entries = def->max_entries;
+ }
+
+ if (bpf_map__is_struct_ops(map))
+ create_attr.btf_vmlinux_value_type_id =
+ map->btf_vmlinux_value_type_id;
+
+ create_attr.btf_fd = 0;
+ create_attr.btf_key_type_id = 0;
+ create_attr.btf_value_type_id = 0;
+ if (obj->btf && !bpf_map_find_btf_info(obj, map)) {
+ create_attr.btf_fd = btf__fd(obj->btf);
+ create_attr.btf_key_type_id = map->btf_key_type_id;
+ create_attr.btf_value_type_id = map->btf_value_type_id;
+ }
+
+ if (bpf_map_type__is_map_in_map(def->type)) {
+ if (map->inner_map) {
+ int err;
+
+ err = bpf_object__create_map(obj, map->inner_map);
+ if (err) {
+ pr_warn("map '%s': failed to create inner map: %d\n",
+ map->name, err);
+ return err;
+ }
+ map->inner_map_fd = bpf_map__fd(map->inner_map);
+ }
+ if (map->inner_map_fd >= 0)
+ create_attr.inner_map_fd = map->inner_map_fd;
+ }
+
+ map->fd = bpf_create_map_xattr(&create_attr);
+ if (map->fd < 0 && (create_attr.btf_key_type_id ||
+ create_attr.btf_value_type_id)) {
+ char *cp, errmsg[STRERR_BUFSIZE];
+ int err = -errno;
+
+ cp = libbpf_strerror_r(err, errmsg, sizeof(errmsg));
+ pr_warn("Error in bpf_create_map_xattr(%s):%s(%d). Retrying without BTF.\n",
+ map->name, cp, err);
+ create_attr.btf_fd = 0;
+ create_attr.btf_key_type_id = 0;
+ create_attr.btf_value_type_id = 0;
+ map->btf_key_type_id = 0;
+ map->btf_value_type_id = 0;
+ map->fd = bpf_create_map_xattr(&create_attr);
+ }
+
+ if (map->fd < 0)
+ return -errno;
+
+ if (bpf_map_type__is_map_in_map(def->type) && map->inner_map) {
+ bpf_map__destroy(map->inner_map);
+ zfree(&map->inner_map);
+ }
+
+ return 0;
+}
+
static int
bpf_object__create_maps(struct bpf_object *obj)
{
- struct bpf_create_map_attr create_attr = {};
- int nr_cpus = 0;
- unsigned int i;
+ struct bpf_map *map;
+ char *cp, errmsg[STRERR_BUFSIZE];
+ unsigned int i, j;
int err;
for (i = 0; i < obj->nr_maps; i++) {
- struct bpf_map *map = &obj->maps[i];
- struct bpf_map_def *def = &map->def;
- char *cp, errmsg[STRERR_BUFSIZE];
- int *pfd = &map->fd;
+ map = &obj->maps[i];
if (map->pin_path) {
err = bpf_object__reuse_map(map);
if (err) {
- pr_warn("error reusing pinned map %s\n",
+ pr_warn("map '%s': error reusing pinned map\n",
map->name);
- return err;
+ goto err_out;
}
}
if (map->fd >= 0) {
- pr_debug("skip map create (preset) %s: fd=%d\n",
+ pr_debug("map '%s': skipping creation (preset fd=%d)\n",
map->name, map->fd);
continue;
}
- if (obj->caps.name)
- create_attr.name = map->name;
- create_attr.map_ifindex = map->map_ifindex;
- create_attr.map_type = def->type;
- create_attr.map_flags = def->map_flags;
- create_attr.key_size = def->key_size;
- create_attr.value_size = def->value_size;
- if (def->type == BPF_MAP_TYPE_PERF_EVENT_ARRAY &&
- !def->max_entries) {
- if (!nr_cpus)
- nr_cpus = libbpf_num_possible_cpus();
- if (nr_cpus < 0) {
- pr_warn("failed to determine number of system CPUs: %d\n",
- nr_cpus);
- err = nr_cpus;
- goto err_out;
- }
- pr_debug("map '%s': setting size to %d\n",
- map->name, nr_cpus);
- create_attr.max_entries = nr_cpus;
- } else {
- create_attr.max_entries = def->max_entries;
- }
- create_attr.btf_fd = 0;
- create_attr.btf_key_type_id = 0;
- create_attr.btf_value_type_id = 0;
- if (bpf_map_type__is_map_in_map(def->type) &&
- map->inner_map_fd >= 0)
- create_attr.inner_map_fd = map->inner_map_fd;
- if (bpf_map__is_struct_ops(map))
- create_attr.btf_vmlinux_value_type_id =
- map->btf_vmlinux_value_type_id;
-
- if (obj->btf && !bpf_map_find_btf_info(obj, map)) {
- create_attr.btf_fd = btf__fd(obj->btf);
- create_attr.btf_key_type_id = map->btf_key_type_id;
- create_attr.btf_value_type_id = map->btf_value_type_id;
- }
-
- *pfd = bpf_create_map_xattr(&create_attr);
- if (*pfd < 0 && (create_attr.btf_key_type_id ||
- create_attr.btf_value_type_id)) {
- err = -errno;
- cp = libbpf_strerror_r(err, errmsg, sizeof(errmsg));
- pr_warn("Error in bpf_create_map_xattr(%s):%s(%d). Retrying without BTF.\n",
- map->name, cp, err);
- create_attr.btf_fd = 0;
- create_attr.btf_key_type_id = 0;
- create_attr.btf_value_type_id = 0;
- map->btf_key_type_id = 0;
- map->btf_value_type_id = 0;
- *pfd = bpf_create_map_xattr(&create_attr);
- }
+ err = bpf_object__create_map(obj, map);
+ if (err)
+ goto err_out;
- if (*pfd < 0) {
- size_t j;
-
- err = -errno;
-err_out:
- cp = libbpf_strerror_r(err, errmsg, sizeof(errmsg));
- pr_warn("failed to create map (name: '%s'): %s(%d)\n",
- map->name, cp, err);
- pr_perm_msg(err);
- for (j = 0; j < i; j++)
- zclose(obj->maps[j].fd);
- return err;
- }
+ pr_debug("map '%s': created successfully, fd=%d\n", map->name,
+ map->fd);
if (bpf_map__is_internal(map)) {
err = bpf_object__populate_internal_map(obj, map);
if (err < 0) {
- zclose(*pfd);
+ zclose(map->fd);
goto err_out;
}
}
+ if (map->init_slots_sz) {
+ for (j = 0; j < map->init_slots_sz; j++) {
+ const struct bpf_map *targ_map;
+ int fd;
+
+ if (!map->init_slots[j])
+ continue;
+
+ targ_map = map->init_slots[j];
+ fd = bpf_map__fd(targ_map);
+ err = bpf_map_update_elem(map->fd, &j, &fd, 0);
+ if (err) {
+ err = -errno;
+ pr_warn("map '%s': failed to initialize slot [%d] to map '%s' fd=%d: %d\n",
+ map->name, j, targ_map->name,
+ fd, err);
+ goto err_out;
+ }
+ pr_debug("map '%s': slot [%d] set to map '%s' fd=%d\n",
+ map->name, j, targ_map->name, fd);
+ }
+ zfree(&map->init_slots);
+ map->init_slots_sz = 0;
+ }
+
if (map->pin_path && !map->pinned) {
err = bpf_map__pin(map, NULL);
if (err) {
- pr_warn("failed to auto-pin map name '%s' at '%s'\n",
- map->name, map->pin_path);
- return err;
+ pr_warn("map '%s': failed to auto-pin at '%s': %d\n",
+ map->name, map->pin_path, err);
+ zclose(map->fd);
+ goto err_out;
}
}
-
- pr_debug("created map %s: fd=%d\n", map->name, *pfd);
}
return 0;
+
+err_out:
+ cp = libbpf_strerror_r(err, errmsg, sizeof(errmsg));
+ pr_warn("map '%s': failed to create: %s(%d)\n", map->name, cp, err);
+ pr_perm_msg(err);
+ for (j = 0; j < i; j++)
+ zclose(obj->maps[j].fd);
+ return err;
}
static int
@@ -4851,9 +5017,118 @@ bpf_object__relocate(struct bpf_object *obj, const char *targ_btf_path)
return 0;
}
-static int bpf_object__collect_struct_ops_map_reloc(struct bpf_object *obj,
- GElf_Shdr *shdr,
- Elf_Data *data);
+static int bpf_object__collect_st_ops_relos(struct bpf_object *obj,
+ GElf_Shdr *shdr, Elf_Data *data);
+
+static int bpf_object__collect_map_relos(struct bpf_object *obj,
+ GElf_Shdr *shdr, Elf_Data *data)
+{
+ int i, j, nrels, new_sz, ptr_sz = sizeof(void *);
+ const struct btf_var_secinfo *vi = NULL;
+ const struct btf_type *sec, *var, *def;
+ const struct btf_member *member;
+ struct bpf_map *map, *targ_map;
+ const char *name, *mname;
+ Elf_Data *symbols;
+ unsigned int moff;
+ GElf_Sym sym;
+ GElf_Rel rel;
+ void *tmp;
+
+ if (!obj->efile.btf_maps_sec_btf_id || !obj->btf)
+ return -EINVAL;
+ sec = btf__type_by_id(obj->btf, obj->efile.btf_maps_sec_btf_id);
+ if (!sec)
+ return -EINVAL;
+
+ symbols = obj->efile.symbols;
+ nrels = shdr->sh_size / shdr->sh_entsize;
+ for (i = 0; i < nrels; i++) {
+ if (!gelf_getrel(data, i, &rel)) {
+ pr_warn(".maps relo #%d: failed to get ELF relo\n", i);
+ return -LIBBPF_ERRNO__FORMAT;
+ }
+ if (!gelf_getsym(symbols, GELF_R_SYM(rel.r_info), &sym)) {
+ pr_warn(".maps relo #%d: symbol %zx not found\n",
+ i, (size_t)GELF_R_SYM(rel.r_info));
+ return -LIBBPF_ERRNO__FORMAT;
+ }
+ name = elf_strptr(obj->efile.elf, obj->efile.strtabidx,
+ sym.st_name) ? : "<?>";
+ if (sym.st_shndx != obj->efile.btf_maps_shndx) {
+ pr_warn(".maps relo #%d: '%s' isn't a BTF-defined map\n",
+ i, name);
+ return -LIBBPF_ERRNO__RELOC;
+ }
+
+ pr_debug(".maps relo #%d: for %zd value %zd rel.r_offset %zu name %d ('%s')\n",
+ i, (ssize_t)(rel.r_info >> 32), (size_t)sym.st_value,
+ (size_t)rel.r_offset, sym.st_name, name);
+
+ for (j = 0; j < obj->nr_maps; j++) {
+ map = &obj->maps[j];
+ if (map->sec_idx != obj->efile.btf_maps_shndx)
+ continue;
+
+ vi = btf_var_secinfos(sec) + map->btf_var_idx;
+ if (vi->offset <= rel.r_offset &&
+ rel.r_offset + sizeof(void *) <= vi->offset + vi->size)
+ break;
+ }
+ if (j == obj->nr_maps) {
+ pr_warn(".maps relo #%d: cannot find map '%s' at rel.r_offset %zu\n",
+ i, name, (size_t)rel.r_offset);
+ return -EINVAL;
+ }
+
+ if (!bpf_map_type__is_map_in_map(map->def.type))
+ return -EINVAL;
+ if (map->def.type == BPF_MAP_TYPE_HASH_OF_MAPS &&
+ map->def.key_size != sizeof(int)) {
+ pr_warn(".maps relo #%d: hash-of-maps '%s' should have key size %zu.\n",
+ i, map->name, sizeof(int));
+ return -EINVAL;
+ }
+
+ targ_map = bpf_object__find_map_by_name(obj, name);
+ if (!targ_map)
+ return -ESRCH;
+
+ var = btf__type_by_id(obj->btf, vi->type);
+ def = skip_mods_and_typedefs(obj->btf, var->type, NULL);
+ if (btf_vlen(def) == 0)
+ return -EINVAL;
+ member = btf_members(def) + btf_vlen(def) - 1;
+ mname = btf__name_by_offset(obj->btf, member->name_off);
+ if (strcmp(mname, "values"))
+ return -EINVAL;
+
+ moff = btf_member_bit_offset(def, btf_vlen(def) - 1) / 8;
+ if (rel.r_offset - vi->offset < moff)
+ return -EINVAL;
+
+ moff = rel.r_offset - vi->offset - moff;
+ if (moff % ptr_sz)
+ return -EINVAL;
+ moff /= ptr_sz;
+ if (moff >= map->init_slots_sz) {
+ new_sz = moff + 1;
+ tmp = realloc(map->init_slots, new_sz * ptr_sz);
+ if (!tmp)
+ return -ENOMEM;
+ map->init_slots = tmp;
+ memset(map->init_slots + map->init_slots_sz, 0,
+ (new_sz - map->init_slots_sz) * ptr_sz);
+ map->init_slots_sz = new_sz;
+ }
+ map->init_slots[moff] = targ_map;
+
+ pr_debug(".maps relo #%d: map '%s' slot [%d] points to map '%s'\n",
+ i, map->name, moff, name);
+ }
+
+ return 0;
+}
static int bpf_object__collect_reloc(struct bpf_object *obj)
{
@@ -4876,21 +5151,17 @@ static int bpf_object__collect_reloc(struct bpf_object *obj)
}
if (idx == obj->efile.st_ops_shndx) {
- err = bpf_object__collect_struct_ops_map_reloc(obj,
- shdr,
- data);
- if (err)
- return err;
- continue;
- }
-
- prog = bpf_object__find_prog_by_idx(obj, idx);
- if (!prog) {
- pr_warn("relocation failed: no section(%d)\n", idx);
- return -LIBBPF_ERRNO__RELOC;
+ err = bpf_object__collect_st_ops_relos(obj, shdr, data);
+ } else if (idx == obj->efile.btf_maps_shndx) {
+ err = bpf_object__collect_map_relos(obj, shdr, data);
+ } else {
+ prog = bpf_object__find_prog_by_idx(obj, idx);
+ if (!prog) {
+ pr_warn("relocation failed: no prog in section(%d)\n", idx);
+ return -LIBBPF_ERRNO__RELOC;
+ }
+ err = bpf_program__collect_reloc(prog, shdr, data, obj);
}
-
- err = bpf_program__collect_reloc(prog, shdr, data, obj);
if (err)
return err;
}
@@ -5386,7 +5657,8 @@ int bpf_object__load_xattr(struct bpf_object_load_attr *attr)
obj->loaded = true;
- err = bpf_object__probe_caps(obj);
+ err = bpf_object__probe_loading(obj);
+ err = err ? : bpf_object__probe_caps(obj);
err = err ? : bpf_object__resolve_externs(obj, obj->kconfig);
err = err ? : bpf_object__sanitize_and_load_btf(obj);
err = err ? : bpf_object__sanitize_maps(obj);
@@ -5955,6 +6227,40 @@ int bpf_object__pin(struct bpf_object *obj, const char *path)
return 0;
}
+static void bpf_map__destroy(struct bpf_map *map)
+{
+ if (map->clear_priv)
+ map->clear_priv(map, map->priv);
+ map->priv = NULL;
+ map->clear_priv = NULL;
+
+ if (map->inner_map) {
+ bpf_map__destroy(map->inner_map);
+ zfree(&map->inner_map);
+ }
+
+ zfree(&map->init_slots);
+ map->init_slots_sz = 0;
+
+ if (map->mmaped) {
+ munmap(map->mmaped, bpf_map_mmap_sz(map));
+ map->mmaped = NULL;
+ }
+
+ if (map->st_ops) {
+ zfree(&map->st_ops->data);
+ zfree(&map->st_ops->progs);
+ zfree(&map->st_ops->kern_func_off);
+ zfree(&map->st_ops);
+ }
+
+ zfree(&map->name);
+ zfree(&map->pin_path);
+
+ if (map->fd >= 0)
+ zclose(map->fd);
+}
+
void bpf_object__close(struct bpf_object *obj)
{
size_t i;
@@ -5970,29 +6276,8 @@ void bpf_object__close(struct bpf_object *obj)
btf__free(obj->btf);
btf_ext__free(obj->btf_ext);
- for (i = 0; i < obj->nr_maps; i++) {
- struct bpf_map *map = &obj->maps[i];
-
- if (map->clear_priv)
- map->clear_priv(map, map->priv);
- map->priv = NULL;
- map->clear_priv = NULL;
-
- if (map->mmaped) {
- munmap(map->mmaped, bpf_map_mmap_sz(map));
- map->mmaped = NULL;
- }
-
- if (map->st_ops) {
- zfree(&map->st_ops->data);
- zfree(&map->st_ops->progs);
- zfree(&map->st_ops->kern_func_off);
- zfree(&map->st_ops);
- }
-
- zfree(&map->name);
- zfree(&map->pin_path);
- }
+ for (i = 0; i < obj->nr_maps; i++)
+ bpf_map__destroy(&obj->maps[i]);
zfree(&obj->kconfig);
zfree(&obj->externs);
@@ -6323,6 +6608,8 @@ static struct bpf_link *attach_trace(const struct bpf_sec_def *sec,
struct bpf_program *prog);
static struct bpf_link *attach_lsm(const struct bpf_sec_def *sec,
struct bpf_program *prog);
+static struct bpf_link *attach_iter(const struct bpf_sec_def *sec,
+ struct bpf_program *prog);
static const struct bpf_sec_def section_defs[] = {
BPF_PROG_SEC("socket", BPF_PROG_TYPE_SOCKET_FILTER),
@@ -6366,6 +6653,12 @@ static const struct bpf_sec_def section_defs[] = {
.is_attach_btf = true,
.expected_attach_type = BPF_LSM_MAC,
.attach_fn = attach_lsm),
+ SEC_DEF("iter/", TRACING,
+ .expected_attach_type = BPF_TRACE_ITER,
+ .is_attach_btf = true,
+ .attach_fn = attach_iter),
+ BPF_EAPROG_SEC("xdp_devmap", BPF_PROG_TYPE_XDP,
+ BPF_XDP_DEVMAP),
BPF_PROG_SEC("xdp", BPF_PROG_TYPE_XDP),
BPF_PROG_SEC("perf_event", BPF_PROG_TYPE_PERF_EVENT),
BPF_PROG_SEC("lwt_in", BPF_PROG_TYPE_LWT_IN),
@@ -6414,6 +6707,14 @@ static const struct bpf_sec_def section_defs[] = {
BPF_CGROUP_UDP4_RECVMSG),
BPF_EAPROG_SEC("cgroup/recvmsg6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
BPF_CGROUP_UDP6_RECVMSG),
+ BPF_EAPROG_SEC("cgroup/getpeername4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+ BPF_CGROUP_INET4_GETPEERNAME),
+ BPF_EAPROG_SEC("cgroup/getpeername6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+ BPF_CGROUP_INET6_GETPEERNAME),
+ BPF_EAPROG_SEC("cgroup/getsockname4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+ BPF_CGROUP_INET4_GETSOCKNAME),
+ BPF_EAPROG_SEC("cgroup/getsockname6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
+ BPF_CGROUP_INET6_GETSOCKNAME),
BPF_EAPROG_SEC("cgroup/sysctl", BPF_PROG_TYPE_CGROUP_SYSCTL,
BPF_CGROUP_SYSCTL),
BPF_EAPROG_SEC("cgroup/getsockopt", BPF_PROG_TYPE_CGROUP_SOCKOPT,
@@ -6516,9 +6817,8 @@ static struct bpf_map *find_struct_ops_map_by_offset(struct bpf_object *obj,
}
/* Collect the reloc from ELF and populate the st_ops->progs[] */
-static int bpf_object__collect_struct_ops_map_reloc(struct bpf_object *obj,
- GElf_Shdr *shdr,
- Elf_Data *data)
+static int bpf_object__collect_st_ops_relos(struct bpf_object *obj,
+ GElf_Shdr *shdr, Elf_Data *data)
{
const struct btf_member *member;
struct bpf_struct_ops *st_ops;
@@ -6629,6 +6929,7 @@ invalid_prog:
#define BTF_TRACE_PREFIX "btf_trace_"
#define BTF_LSM_PREFIX "bpf_lsm_"
+#define BTF_ITER_PREFIX "bpf_iter_"
#define BTF_MAX_NAME_SIZE 128
static int find_btf_by_prefix_kind(const struct btf *btf, const char *prefix,
@@ -6659,6 +6960,9 @@ static inline int __find_vmlinux_btf_id(struct btf *btf, const char *name,
else if (attach_type == BPF_LSM_MAC)
err = find_btf_by_prefix_kind(btf, BTF_LSM_PREFIX, name,
BTF_KIND_FUNC);
+ else if (attach_type == BPF_TRACE_ITER)
+ err = find_btf_by_prefix_kind(btf, BTF_ITER_PREFIX, name,
+ BTF_KIND_FUNC);
else
err = btf__find_by_name_kind(btf, name, BTF_KIND_FUNC);
@@ -6672,6 +6976,7 @@ int libbpf_find_vmlinux_btf_id(const char *name,
enum bpf_attach_type attach_type)
{
struct btf *btf;
+ int err;
btf = libbpf_find_kernel_btf();
if (IS_ERR(btf)) {
@@ -6679,7 +6984,9 @@ int libbpf_find_vmlinux_btf_id(const char *name,
return -EINVAL;
}
- return __find_vmlinux_btf_id(btf, name, attach_type);
+ err = __find_vmlinux_btf_id(btf, name, attach_type);
+ btf__free(btf);
+ return err;
}
static int libbpf_find_prog_btf_id(const char *name, __u32 attach_prog_fd)
@@ -7006,7 +7313,7 @@ int bpf_prog_load_xattr(const struct bpf_prog_load_attr *attr,
err = bpf_object__load(obj);
if (err) {
bpf_object__close(obj);
- return -EINVAL;
+ return err;
}
*pobj = obj;
@@ -7583,8 +7890,15 @@ static struct bpf_link *attach_lsm(const struct bpf_sec_def *sec,
return bpf_program__attach_lsm(prog);
}
-struct bpf_link *
-bpf_program__attach_cgroup(struct bpf_program *prog, int cgroup_fd)
+static struct bpf_link *attach_iter(const struct bpf_sec_def *sec,
+ struct bpf_program *prog)
+{
+ return bpf_program__attach_iter(prog, NULL);
+}
+
+static struct bpf_link *
+bpf_program__attach_fd(struct bpf_program *prog, int target_fd,
+ const char *target_name)
{
enum bpf_attach_type attach_type;
char errmsg[STRERR_BUFSIZE];
@@ -7604,11 +7918,59 @@ bpf_program__attach_cgroup(struct bpf_program *prog, int cgroup_fd)
link->detach = &bpf_link__detach_fd;
attach_type = bpf_program__get_expected_attach_type(prog);
- link_fd = bpf_link_create(prog_fd, cgroup_fd, attach_type, NULL);
+ link_fd = bpf_link_create(prog_fd, target_fd, attach_type, NULL);
+ if (link_fd < 0) {
+ link_fd = -errno;
+ free(link);
+ pr_warn("program '%s': failed to attach to %s: %s\n",
+ bpf_program__title(prog, false), target_name,
+ libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));
+ return ERR_PTR(link_fd);
+ }
+ link->fd = link_fd;
+ return link;
+}
+
+struct bpf_link *
+bpf_program__attach_cgroup(struct bpf_program *prog, int cgroup_fd)
+{
+ return bpf_program__attach_fd(prog, cgroup_fd, "cgroup");
+}
+
+struct bpf_link *
+bpf_program__attach_netns(struct bpf_program *prog, int netns_fd)
+{
+ return bpf_program__attach_fd(prog, netns_fd, "netns");
+}
+
+struct bpf_link *
+bpf_program__attach_iter(struct bpf_program *prog,
+ const struct bpf_iter_attach_opts *opts)
+{
+ char errmsg[STRERR_BUFSIZE];
+ struct bpf_link *link;
+ int prog_fd, link_fd;
+
+ if (!OPTS_VALID(opts, bpf_iter_attach_opts))
+ return ERR_PTR(-EINVAL);
+
+ prog_fd = bpf_program__fd(prog);
+ if (prog_fd < 0) {
+ pr_warn("program '%s': can't attach before loaded\n",
+ bpf_program__title(prog, false));
+ return ERR_PTR(-EINVAL);
+ }
+
+ link = calloc(1, sizeof(*link));
+ if (!link)
+ return ERR_PTR(-ENOMEM);
+ link->detach = &bpf_link__detach_fd;
+
+ link_fd = bpf_link_create(prog_fd, 0, BPF_TRACE_ITER, NULL);
if (link_fd < 0) {
link_fd = -errno;
free(link);
- pr_warn("program '%s': failed to attach to cgroup: %s\n",
+ pr_warn("program '%s': failed to attach to iterator: %s\n",
bpf_program__title(prog, false),
libbpf_strerror_r(link_fd, errmsg, sizeof(errmsg)));
return ERR_PTR(link_fd);
@@ -7790,9 +8152,12 @@ void perf_buffer__free(struct perf_buffer *pb)
if (!pb)
return;
if (pb->cpu_bufs) {
- for (i = 0; i < pb->cpu_cnt && pb->cpu_bufs[i]; i++) {
+ for (i = 0; i < pb->cpu_cnt; i++) {
struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];
+ if (!cpu_buf)
+ continue;
+
bpf_map_delete_elem(pb->map_fd, &cpu_buf->map_key);
perf_buffer__free_cpu_buf(pb, cpu_buf);
}
@@ -8035,7 +8400,7 @@ error:
struct perf_sample_raw {
struct perf_event_header header;
uint32_t size;
- char data[0];
+ char data[];
};
struct perf_sample_lost {
@@ -8109,6 +8474,25 @@ int perf_buffer__poll(struct perf_buffer *pb, int timeout_ms)
return cnt < 0 ? -errno : cnt;
}
+int perf_buffer__consume(struct perf_buffer *pb)
+{
+ int i, err;
+
+ for (i = 0; i < pb->cpu_cnt; i++) {
+ struct perf_cpu_buf *cpu_buf = pb->cpu_bufs[i];
+
+ if (!cpu_buf)
+ continue;
+
+ err = perf_buffer__process_records(pb, cpu_buf);
+ if (err) {
+ pr_warn("error while processing records: %d\n", err);
+ return err;
+ }
+ }
+ return 0;
+}
+
struct bpf_prog_info_array_desc {
int array_offset; /* e.g. offset of jited_prog_insns */
int count_offset; /* e.g. offset of jited_prog_len */
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index f1dacecb1619..334437af3014 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -253,11 +253,22 @@ LIBBPF_API struct bpf_link *
bpf_program__attach_lsm(struct bpf_program *prog);
LIBBPF_API struct bpf_link *
bpf_program__attach_cgroup(struct bpf_program *prog, int cgroup_fd);
+LIBBPF_API struct bpf_link *
+bpf_program__attach_netns(struct bpf_program *prog, int netns_fd);
struct bpf_map;
LIBBPF_API struct bpf_link *bpf_map__attach_struct_ops(struct bpf_map *map);
+struct bpf_iter_attach_opts {
+ size_t sz; /* size of this struct for forward/backward compatibility */
+};
+#define bpf_iter_attach_opts__last_field sz
+
+LIBBPF_API struct bpf_link *
+bpf_program__attach_iter(struct bpf_program *prog,
+ const struct bpf_iter_attach_opts *opts);
+
struct bpf_insn;
/*
@@ -469,6 +480,27 @@ LIBBPF_API int bpf_get_link_xdp_id(int ifindex, __u32 *prog_id, __u32 flags);
LIBBPF_API int bpf_get_link_xdp_info(int ifindex, struct xdp_link_info *info,
size_t info_size, __u32 flags);
+/* Ring buffer APIs */
+struct ring_buffer;
+
+typedef int (*ring_buffer_sample_fn)(void *ctx, void *data, size_t size);
+
+struct ring_buffer_opts {
+ size_t sz; /* size of this struct, for forward/backward compatiblity */
+};
+
+#define ring_buffer_opts__last_field sz
+
+LIBBPF_API struct ring_buffer *
+ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx,
+ const struct ring_buffer_opts *opts);
+LIBBPF_API void ring_buffer__free(struct ring_buffer *rb);
+LIBBPF_API int ring_buffer__add(struct ring_buffer *rb, int map_fd,
+ ring_buffer_sample_fn sample_cb, void *ctx);
+LIBBPF_API int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms);
+LIBBPF_API int ring_buffer__consume(struct ring_buffer *rb);
+
+/* Perf buffer APIs */
struct perf_buffer;
typedef void (*perf_buffer_sample_fn)(void *ctx, int cpu,
@@ -524,6 +556,7 @@ perf_buffer__new_raw(int map_fd, size_t page_cnt,
LIBBPF_API void perf_buffer__free(struct perf_buffer *pb);
LIBBPF_API int perf_buffer__poll(struct perf_buffer *pb, int timeout_ms);
+LIBBPF_API int perf_buffer__consume(struct perf_buffer *pb);
typedef enum bpf_perf_event_ret
(*bpf_perf_event_print_t)(struct perf_event_header *hdr,
diff --git a/tools/lib/bpf/libbpf.map b/tools/lib/bpf/libbpf.map
index bb8831605b25..f732c77b7ed0 100644
--- a/tools/lib/bpf/libbpf.map
+++ b/tools/lib/bpf/libbpf.map
@@ -254,3 +254,19 @@ LIBBPF_0.0.8 {
bpf_program__set_lsm;
bpf_set_link_xdp_fd_opts;
} LIBBPF_0.0.7;
+
+LIBBPF_0.0.9 {
+ global:
+ bpf_enable_stats;
+ bpf_iter_create;
+ bpf_link_get_fd_by_id;
+ bpf_link_get_next_id;
+ bpf_program__attach_iter;
+ bpf_program__attach_netns;
+ perf_buffer__consume;
+ ring_buffer__add;
+ ring_buffer__consume;
+ ring_buffer__free;
+ ring_buffer__new;
+ ring_buffer__poll;
+} LIBBPF_0.0.8;
diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h
index 8c3afbd97747..50d70e90d5f1 100644
--- a/tools/lib/bpf/libbpf_internal.h
+++ b/tools/lib/bpf/libbpf_internal.h
@@ -153,7 +153,7 @@ struct btf_ext_info_sec {
__u32 sec_name_off;
__u32 num_info;
/* Followed by num_info * record_size number of bytes */
- __u8 data[0];
+ __u8 data[];
};
/* The minimum bpf_func_info checked by the loader */
diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 2c92059c0c90..10cd8d1891f5 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -238,6 +238,11 @@ bool bpf_probe_map_type(enum bpf_map_type map_type, __u32 ifindex)
if (btf_fd < 0)
return false;
break;
+ case BPF_MAP_TYPE_RINGBUF:
+ key_size = 0;
+ value_size = 0;
+ max_entries = 4096;
+ break;
case BPF_MAP_TYPE_UNSPEC:
case BPF_MAP_TYPE_HASH:
case BPF_MAP_TYPE_ARRAY:
diff --git a/tools/lib/bpf/netlink.c b/tools/lib/bpf/netlink.c
index 0b709fd10bba..312f887570b2 100644
--- a/tools/lib/bpf/netlink.c
+++ b/tools/lib/bpf/netlink.c
@@ -321,6 +321,8 @@ int bpf_get_link_xdp_info(int ifindex, struct xdp_link_info *info,
static __u32 get_xdp_id(struct xdp_link_info *info, __u32 flags)
{
+ flags &= XDP_FLAGS_MODES;
+
if (info->attach_mode != XDP_ATTACHED_MULTI && !flags)
return info->prog_id;
if (flags & XDP_FLAGS_DRV_MODE)
diff --git a/tools/lib/bpf/ringbuf.c b/tools/lib/bpf/ringbuf.c
new file mode 100644
index 000000000000..4fc6c6cbb4eb
--- /dev/null
+++ b/tools/lib/bpf/ringbuf.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+/*
+ * Ring buffer operations.
+ *
+ * Copyright (C) 2020 Facebook, Inc.
+ */
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <linux/err.h>
+#include <linux/bpf.h>
+#include <asm/barrier.h>
+#include <sys/mman.h>
+#include <sys/epoll.h>
+#include <tools/libc_compat.h>
+
+#include "libbpf.h"
+#include "libbpf_internal.h"
+#include "bpf.h"
+
+/* make sure libbpf doesn't use kernel-only integer typedefs */
+#pragma GCC poison u8 u16 u32 u64 s8 s16 s32 s64
+
+struct ring {
+ ring_buffer_sample_fn sample_cb;
+ void *ctx;
+ void *data;
+ unsigned long *consumer_pos;
+ unsigned long *producer_pos;
+ unsigned long mask;
+ int map_fd;
+};
+
+struct ring_buffer {
+ struct epoll_event *events;
+ struct ring *rings;
+ size_t page_size;
+ int epoll_fd;
+ int ring_cnt;
+};
+
+static void ringbuf_unmap_ring(struct ring_buffer *rb, struct ring *r)
+{
+ if (r->consumer_pos) {
+ munmap(r->consumer_pos, rb->page_size);
+ r->consumer_pos = NULL;
+ }
+ if (r->producer_pos) {
+ munmap(r->producer_pos, rb->page_size + 2 * (r->mask + 1));
+ r->producer_pos = NULL;
+ }
+}
+
+/* Add extra RINGBUF maps to this ring buffer manager */
+int ring_buffer__add(struct ring_buffer *rb, int map_fd,
+ ring_buffer_sample_fn sample_cb, void *ctx)
+{
+ struct bpf_map_info info;
+ __u32 len = sizeof(info);
+ struct epoll_event *e;
+ struct ring *r;
+ void *tmp;
+ int err;
+
+ memset(&info, 0, sizeof(info));
+
+ err = bpf_obj_get_info_by_fd(map_fd, &info, &len);
+ if (err) {
+ err = -errno;
+ pr_warn("ringbuf: failed to get map info for fd=%d: %d\n",
+ map_fd, err);
+ return err;
+ }
+
+ if (info.type != BPF_MAP_TYPE_RINGBUF) {
+ pr_warn("ringbuf: map fd=%d is not BPF_MAP_TYPE_RINGBUF\n",
+ map_fd);
+ return -EINVAL;
+ }
+
+ tmp = reallocarray(rb->rings, rb->ring_cnt + 1, sizeof(*rb->rings));
+ if (!tmp)
+ return -ENOMEM;
+ rb->rings = tmp;
+
+ tmp = reallocarray(rb->events, rb->ring_cnt + 1, sizeof(*rb->events));
+ if (!tmp)
+ return -ENOMEM;
+ rb->events = tmp;
+
+ r = &rb->rings[rb->ring_cnt];
+ memset(r, 0, sizeof(*r));
+
+ r->map_fd = map_fd;
+ r->sample_cb = sample_cb;
+ r->ctx = ctx;
+ r->mask = info.max_entries - 1;
+
+ /* Map writable consumer page */
+ tmp = mmap(NULL, rb->page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ map_fd, 0);
+ if (tmp == MAP_FAILED) {
+ err = -errno;
+ pr_warn("ringbuf: failed to mmap consumer page for map fd=%d: %d\n",
+ map_fd, err);
+ return err;
+ }
+ r->consumer_pos = tmp;
+
+ /* Map read-only producer page and data pages. We map twice as big
+ * data size to allow simple reading of samples that wrap around the
+ * end of a ring buffer. See kernel implementation for details.
+ * */
+ tmp = mmap(NULL, rb->page_size + 2 * info.max_entries, PROT_READ,
+ MAP_SHARED, map_fd, rb->page_size);
+ if (tmp == MAP_FAILED) {
+ err = -errno;
+ ringbuf_unmap_ring(rb, r);
+ pr_warn("ringbuf: failed to mmap data pages for map fd=%d: %d\n",
+ map_fd, err);
+ return err;
+ }
+ r->producer_pos = tmp;
+ r->data = tmp + rb->page_size;
+
+ e = &rb->events[rb->ring_cnt];
+ memset(e, 0, sizeof(*e));
+
+ e->events = EPOLLIN;
+ e->data.fd = rb->ring_cnt;
+ if (epoll_ctl(rb->epoll_fd, EPOLL_CTL_ADD, map_fd, e) < 0) {
+ err = -errno;
+ ringbuf_unmap_ring(rb, r);
+ pr_warn("ringbuf: failed to epoll add map fd=%d: %d\n",
+ map_fd, err);
+ return err;
+ }
+
+ rb->ring_cnt++;
+ return 0;
+}
+
+void ring_buffer__free(struct ring_buffer *rb)
+{
+ int i;
+
+ if (!rb)
+ return;
+
+ for (i = 0; i < rb->ring_cnt; ++i)
+ ringbuf_unmap_ring(rb, &rb->rings[i]);
+ if (rb->epoll_fd >= 0)
+ close(rb->epoll_fd);
+
+ free(rb->events);
+ free(rb->rings);
+ free(rb);
+}
+
+struct ring_buffer *
+ring_buffer__new(int map_fd, ring_buffer_sample_fn sample_cb, void *ctx,
+ const struct ring_buffer_opts *opts)
+{
+ struct ring_buffer *rb;
+ int err;
+
+ if (!OPTS_VALID(opts, ring_buffer_opts))
+ return NULL;
+
+ rb = calloc(1, sizeof(*rb));
+ if (!rb)
+ return NULL;
+
+ rb->page_size = getpagesize();
+
+ rb->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+ if (rb->epoll_fd < 0) {
+ err = -errno;
+ pr_warn("ringbuf: failed to create epoll instance: %d\n", err);
+ goto err_out;
+ }
+
+ err = ring_buffer__add(rb, map_fd, sample_cb, ctx);
+ if (err)
+ goto err_out;
+
+ return rb;
+
+err_out:
+ ring_buffer__free(rb);
+ return NULL;
+}
+
+static inline int roundup_len(__u32 len)
+{
+ /* clear out top 2 bits (discard and busy, if set) */
+ len <<= 2;
+ len >>= 2;
+ /* add length prefix */
+ len += BPF_RINGBUF_HDR_SZ;
+ /* round up to 8 byte alignment */
+ return (len + 7) / 8 * 8;
+}
+
+static int ringbuf_process_ring(struct ring* r)
+{
+ int *len_ptr, len, err, cnt = 0;
+ unsigned long cons_pos, prod_pos;
+ bool got_new_data;
+ void *sample;
+
+ cons_pos = smp_load_acquire(r->consumer_pos);
+ do {
+ got_new_data = false;
+ prod_pos = smp_load_acquire(r->producer_pos);
+ while (cons_pos < prod_pos) {
+ len_ptr = r->data + (cons_pos & r->mask);
+ len = smp_load_acquire(len_ptr);
+
+ /* sample not committed yet, bail out for now */
+ if (len & BPF_RINGBUF_BUSY_BIT)
+ goto done;
+
+ got_new_data = true;
+ cons_pos += roundup_len(len);
+
+ if ((len & BPF_RINGBUF_DISCARD_BIT) == 0) {
+ sample = (void *)len_ptr + BPF_RINGBUF_HDR_SZ;
+ err = r->sample_cb(r->ctx, sample, len);
+ if (err) {
+ /* update consumer pos and bail out */
+ smp_store_release(r->consumer_pos,
+ cons_pos);
+ return err;
+ }
+ cnt++;
+ }
+
+ smp_store_release(r->consumer_pos, cons_pos);
+ }
+ } while (got_new_data);
+done:
+ return cnt;
+}
+
+/* Consume available ring buffer(s) data without event polling.
+ * Returns number of records consumed across all registered ring buffers, or
+ * negative number if any of the callbacks return error.
+ */
+int ring_buffer__consume(struct ring_buffer *rb)
+{
+ int i, err, res = 0;
+
+ for (i = 0; i < rb->ring_cnt; i++) {
+ struct ring *ring = &rb->rings[i];
+
+ err = ringbuf_process_ring(ring);
+ if (err < 0)
+ return err;
+ res += err;
+ }
+ return res;
+}
+
+/* Poll for available data and consume records, if any are available.
+ * Returns number of records consumed, or negative number, if any of the
+ * registered callbacks returned error.
+ */
+int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms)
+{
+ int i, cnt, err, res = 0;
+
+ cnt = epoll_wait(rb->epoll_fd, rb->events, rb->ring_cnt, timeout_ms);
+ for (i = 0; i < cnt; i++) {
+ __u32 ring_id = rb->events[i].data.fd;
+ struct ring *ring = &rb->rings[ring_id];
+
+ err = ringbuf_process_ring(ring);
+ if (err < 0)
+ return err;
+ res += cnt;
+ }
+ return cnt < 0 ? -errno : res;
+}
diff --git a/tools/lib/perf/cpumap.c b/tools/lib/perf/cpumap.c
index f93f4e703e4c..ca0215047c32 100644
--- a/tools/lib/perf/cpumap.c
+++ b/tools/lib/perf/cpumap.c
@@ -247,7 +247,7 @@ out:
int perf_cpu_map__cpu(const struct perf_cpu_map *cpus, int idx)
{
- if (idx < cpus->nr)
+ if (cpus && idx < cpus->nr)
return cpus->map[idx];
return -1;
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 5b9f2ca50591..6a875a0f01bb 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -11,10 +11,8 @@
#include <internal/mmap.h>
#include <internal/cpumap.h>
#include <internal/threadmap.h>
-#include <internal/xyarray.h>
#include <internal/lib.h>
#include <linux/zalloc.h>
-#include <sys/ioctl.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
@@ -125,8 +123,10 @@ static void perf_evlist__purge(struct perf_evlist *evlist)
void perf_evlist__exit(struct perf_evlist *evlist)
{
perf_cpu_map__put(evlist->cpus);
+ perf_cpu_map__put(evlist->all_cpus);
perf_thread_map__put(evlist->threads);
evlist->cpus = NULL;
+ evlist->all_cpus = NULL;
evlist->threads = NULL;
fdarray__exit(&evlist->pollfd);
}
diff --git a/tools/lib/subcmd/parse-options.h b/tools/lib/subcmd/parse-options.h
index af9def589863..d2414144eb8c 100644
--- a/tools/lib/subcmd/parse-options.h
+++ b/tools/lib/subcmd/parse-options.h
@@ -151,6 +151,8 @@ struct option {
{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
#define OPT_CALLBACK(s, l, v, a, h, f) \
{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f) }
+#define OPT_CALLBACK_SET(s, l, v, os, a, h, f) \
+ { .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .set = check_vtype(os, bool *)}
#define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
#define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c
index 1a7a9f877095..e335ac2b9e19 100644
--- a/tools/lib/symbol/kallsyms.c
+++ b/tools/lib/symbol/kallsyms.c
@@ -1,7 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
#include "symbol/kallsyms.h"
+#include "api/io.h"
#include <stdio.h>
-#include <stdlib.h>
+#include <sys/stat.h>
+#include <fcntl.h>
u8 kallsyms2elf_type(char type)
{
@@ -15,74 +17,62 @@ bool kallsyms__is_function(char symbol_type)
return symbol_type == 'T' || symbol_type == 'W';
}
-/*
- * While we find nice hex chars, build a long_val.
- * Return number of chars processed.
- */
-int hex2u64(const char *ptr, u64 *long_val)
+static void read_to_eol(struct io *io)
{
- char *p;
+ int ch;
- *long_val = strtoull(ptr, &p, 16);
-
- return p - ptr;
+ for (;;) {
+ ch = io__get_char(io);
+ if (ch < 0 || ch == '\n')
+ return;
+ }
}
int kallsyms__parse(const char *filename, void *arg,
int (*process_symbol)(void *arg, const char *name,
char type, u64 start))
{
- char *line = NULL;
- size_t n;
- int err = -1;
- FILE *file = fopen(filename, "r");
-
- if (file == NULL)
- goto out_failure;
-
- err = 0;
+ struct io io;
+ char bf[BUFSIZ];
+ int err;
- while (!feof(file)) {
- u64 start;
- int line_len, len;
- char symbol_type;
- char *symbol_name;
+ io.fd = open(filename, O_RDONLY, 0);
- line_len = getline(&line, &n, file);
- if (line_len < 0 || !line)
- break;
+ if (io.fd < 0)
+ return -1;
- line[--line_len] = '\0'; /* \n */
+ io__init(&io, io.fd, bf, sizeof(bf));
- len = hex2u64(line, &start);
+ err = 0;
+ while (!io.eof) {
+ __u64 start;
+ int ch;
+ size_t i;
+ char symbol_type;
+ char symbol_name[KSYM_NAME_LEN + 1];
- /* Skip the line if we failed to parse the address. */
- if (!len)
+ if (io__get_hex(&io, &start) != ' ') {
+ read_to_eol(&io);
continue;
-
- len++;
- if (len + 2 >= line_len)
+ }
+ symbol_type = io__get_char(&io);
+ if (io__get_char(&io) != ' ') {
+ read_to_eol(&io);
continue;
-
- symbol_type = line[len];
- len += 2;
- symbol_name = line + len;
- len = line_len - len;
-
- if (len >= KSYM_NAME_LEN) {
- err = -1;
- break;
}
+ for (i = 0; i < sizeof(symbol_name); i++) {
+ ch = io__get_char(&io);
+ if (ch < 0 || ch == '\n')
+ break;
+ symbol_name[i] = ch;
+ }
+ symbol_name[i] = '\0';
err = process_symbol(arg, symbol_name, symbol_type, start);
if (err)
break;
}
- free(line);
- fclose(file);
+ close(io.fd);
return err;
-
-out_failure:
- return -1;
}
diff --git a/tools/lib/symbol/kallsyms.h b/tools/lib/symbol/kallsyms.h
index bd988f7b18d4..72ab9870454b 100644
--- a/tools/lib/symbol/kallsyms.h
+++ b/tools/lib/symbol/kallsyms.h
@@ -18,8 +18,6 @@ static inline u8 kallsyms2elf_binding(char type)
return isupper(type) ? STB_GLOBAL : STB_LOCAL;
}
-int hex2u64(const char *ptr, u64 *long_val);
-
u8 kallsyms2elf_type(char type);
bool kallsyms__is_function(char symbol_type);
diff --git a/tools/lib/traceevent/kbuffer-parse.c b/tools/lib/traceevent/kbuffer-parse.c
index b887e7437d67..27f3b07fdae8 100644
--- a/tools/lib/traceevent/kbuffer-parse.c
+++ b/tools/lib/traceevent/kbuffer-parse.c
@@ -438,7 +438,7 @@ void *kbuffer_translate_data(int swap, void *data, unsigned int *size)
case KBUFFER_TYPE_TIME_EXTEND:
case KBUFFER_TYPE_TIME_STAMP:
return NULL;
- };
+ }
*size = length;
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index 20eed719542e..c271aeeb227d 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -1958,7 +1958,8 @@ static char *op_to_str(struct tep_event_filter *filter, struct tep_filter_arg *a
default:
break;
}
- asprintf(&str, val ? "TRUE" : "FALSE");
+ if (asprintf(&str, val ? "TRUE" : "FALSE") < 0)
+ str = NULL;
break;
}
}
@@ -1976,7 +1977,8 @@ static char *op_to_str(struct tep_event_filter *filter, struct tep_filter_arg *a
break;
}
- asprintf(&str, "(%s) %s (%s)", left, op, right);
+ if (asprintf(&str, "(%s) %s (%s)", left, op, right) < 0)
+ str = NULL;
break;
case TEP_FILTER_OP_NOT:
@@ -1992,10 +1994,12 @@ static char *op_to_str(struct tep_event_filter *filter, struct tep_filter_arg *a
right_val = 0;
if (right_val >= 0) {
/* just return the opposite */
- asprintf(&str, right_val ? "FALSE" : "TRUE");
+ if (asprintf(&str, right_val ? "FALSE" : "TRUE") < 0)
+ str = NULL;
break;
}
- asprintf(&str, "%s(%s)", op, right);
+ if (asprintf(&str, "%s(%s)", op, right) < 0)
+ str = NULL;
break;
default:
@@ -2011,7 +2015,8 @@ static char *val_to_str(struct tep_event_filter *filter, struct tep_filter_arg *
{
char *str = NULL;
- asprintf(&str, "%lld", arg->value.val);
+ if (asprintf(&str, "%lld", arg->value.val) < 0)
+ str = NULL;
return str;
}
@@ -2069,7 +2074,8 @@ static char *exp_to_str(struct tep_event_filter *filter, struct tep_filter_arg *
break;
}
- asprintf(&str, "%s %s %s", lstr, op, rstr);
+ if (asprintf(&str, "%s %s %s", lstr, op, rstr) < 0)
+ str = NULL;
out:
free(lstr);
free(rstr);
@@ -2113,7 +2119,8 @@ static char *num_to_str(struct tep_event_filter *filter, struct tep_filter_arg *
if (!op)
op = "<=";
- asprintf(&str, "%s %s %s", lstr, op, rstr);
+ if (asprintf(&str, "%s %s %s", lstr, op, rstr) < 0)
+ str = NULL;
break;
default:
@@ -2148,8 +2155,9 @@ static char *str_to_str(struct tep_event_filter *filter, struct tep_filter_arg *
if (!op)
op = "!~";
- asprintf(&str, "%s %s \"%s\"",
- arg->str.field->name, op, arg->str.val);
+ if (asprintf(&str, "%s %s \"%s\"",
+ arg->str.field->name, op, arg->str.val) < 0)
+ str = NULL;
break;
default:
@@ -2165,7 +2173,8 @@ static char *arg_to_str(struct tep_event_filter *filter, struct tep_filter_arg *
switch (arg->type) {
case TEP_FILTER_ARG_BOOLEAN:
- asprintf(&str, arg->boolean.value ? "TRUE" : "FALSE");
+ if (asprintf(&str, arg->boolean.value ? "TRUE" : "FALSE") < 0)
+ str = NULL;
return str;
case TEP_FILTER_ARG_OP:
diff --git a/tools/objtool/Build b/tools/objtool/Build
index 66f44f5cd2a6..b7222d5cc7bc 100644
--- a/tools/objtool/Build
+++ b/tools/objtool/Build
@@ -1,11 +1,16 @@
objtool-y += arch/$(SRCARCH)/
+
+objtool-y += weak.o
+
+objtool-$(SUBCMD_CHECK) += check.o
+objtool-$(SUBCMD_CHECK) += special.o
+objtool-$(SUBCMD_ORC) += check.o
+objtool-$(SUBCMD_ORC) += orc_gen.o
+objtool-$(SUBCMD_ORC) += orc_dump.o
+
objtool-y += builtin-check.o
objtool-y += builtin-orc.o
-objtool-y += check.o
-objtool-y += orc_gen.o
-objtool-y += orc_dump.o
objtool-y += elf.o
-objtool-y += special.o
objtool-y += objtool.o
objtool-y += libstring.o
diff --git a/tools/objtool/Documentation/stack-validation.txt b/tools/objtool/Documentation/stack-validation.txt
index de094670050b..0542e46c7552 100644
--- a/tools/objtool/Documentation/stack-validation.txt
+++ b/tools/objtool/Documentation/stack-validation.txt
@@ -289,6 +289,47 @@ they mean, and suggestions for how to fix them.
might be corrupt due to a gcc bug. For more details, see:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70646
+9. file.o: warning: objtool: funcA() call to funcB() with UACCESS enabled
+
+ This means that an unexpected call to a non-whitelisted function exists
+ outside of arch-specific guards.
+ X86: SMAP (stac/clac): __uaccess_begin()/__uaccess_end()
+ ARM: PAN: uaccess_enable()/uaccess_disable()
+
+ These functions should be called to denote a minimal critical section around
+ access to __user variables. See also: https://lwn.net/Articles/517475/
+
+ The intention of the warning is to prevent calls to funcB() from eventually
+ calling schedule(), potentially leaking the AC flags state, and not
+ restoring them correctly.
+
+ It also helps verify that there are no unexpected calls to funcB() which may
+ access user space pages with protections against doing so disabled.
+
+ To fix, either:
+ 1) remove explicit calls to funcB() from funcA().
+ 2) add the correct guards before and after calls to low level functions like
+ __get_user_size()/__put_user_size().
+ 3) add funcB to uaccess_safe_builtin whitelist in tools/objtool/check.c, if
+ funcB obviously does not call schedule(), and is marked notrace (since
+ function tracing inserts additional calls, which is not obvious from the
+ sources).
+
+10. file.o: warning: func()+0x5c: alternative modifies stack
+
+ This means that an alternative includes instructions that modify the
+ stack. The problem is that there is only one ORC unwind table, this means
+ that the ORC unwind entries must be valid for each of the alternatives.
+ The easiest way to enforce this is to ensure alternatives do not contain
+ any ORC entries, which in turn implies the above constraint.
+
+11. file.o: warning: unannotated intra-function call
+
+ This warning means that a direct call is done to a destination which
+ is not at the beginning of a function. If this is a legit call, you
+ can remove this warning by putting the ANNOTATE_INTRA_FUNCTION_CALL
+ directive right before the call.
+
If the error doesn't seem to make sense, it could be a bug in objtool.
Feel free to ask the objtool maintainer for help.
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index f591c4d1b6fe..7770edcda3a0 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -35,7 +35,8 @@ all: $(OBJTOOL)
INCLUDES := -I$(srctree)/tools/include \
-I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi \
- -I$(srctree)/tools/arch/$(SRCARCH)/include
+ -I$(srctree)/tools/arch/$(SRCARCH)/include \
+ -I$(srctree)/tools/objtool/arch/$(SRCARCH)/include
WARNINGS := $(EXTRA_WARNINGS) -Wno-switch-default -Wno-switch-enum -Wno-packed
CFLAGS := -Werror $(WARNINGS) $(KBUILD_HOSTCFLAGS) -g $(INCLUDES) $(LIBELF_FLAGS)
LDFLAGS += $(LIBELF_LIBS) $(LIBSUBCMD) $(KBUILD_HOSTLDFLAGS)
@@ -45,14 +46,24 @@ elfshdr := $(shell echo '$(pound)include <libelf.h>' | $(CC) $(CFLAGS) -x c -E -
CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED)
AWK = awk
+
+SUBCMD_CHECK := n
+SUBCMD_ORC := n
+
+ifeq ($(SRCARCH),x86)
+ SUBCMD_CHECK := y
+ SUBCMD_ORC := y
+endif
+
+export SUBCMD_CHECK SUBCMD_ORC
export srctree OUTPUT CFLAGS SRCARCH AWK
include $(srctree)/tools/build/Makefile.include
$(OBJTOOL_IN): fixdep FORCE
+ @$(CONFIG_SHELL) ./sync-check.sh
@$(MAKE) $(build)=objtool
$(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
- @$(CONFIG_SHELL) ./sync-check.sh
$(QUIET_LINK)$(CC) $(OBJTOOL_IN) $(LDFLAGS) -o $@
diff --git a/tools/objtool/arch.h b/tools/objtool/arch.h
index ced3765c4f44..eda15a5a285e 100644
--- a/tools/objtool/arch.h
+++ b/tools/objtool/arch.h
@@ -8,9 +8,11 @@
#include <stdbool.h>
#include <linux/list.h>
-#include "elf.h"
+#include "objtool.h"
#include "cfi.h"
+#include <asm/orc_types.h>
+
enum insn_type {
INSN_JUMP_CONDITIONAL,
INSN_JUMP_UNCONDITIONAL,
@@ -20,7 +22,6 @@ enum insn_type {
INSN_CALL_DYNAMIC,
INSN_RETURN,
INSN_CONTEXT_SWITCH,
- INSN_STACK,
INSN_BUG,
INSN_NOP,
INSN_STAC,
@@ -64,15 +65,23 @@ struct op_src {
struct stack_op {
struct op_dest dest;
struct op_src src;
+ struct list_head list;
};
-void arch_initial_func_cfi_state(struct cfi_state *state);
+struct instruction;
+
+void arch_initial_func_cfi_state(struct cfi_init_state *state);
-int arch_decode_instruction(struct elf *elf, struct section *sec,
+int arch_decode_instruction(const struct elf *elf, const struct section *sec,
unsigned long offset, unsigned int maxlen,
unsigned int *len, enum insn_type *type,
- unsigned long *immediate, struct stack_op *op);
+ unsigned long *immediate,
+ struct list_head *ops_list);
bool arch_callee_saved_reg(unsigned char reg);
+unsigned long arch_jump_destination(struct instruction *insn);
+
+unsigned long arch_dest_rela_offset(int addend);
+
#endif /* _ARCH_H */
diff --git a/tools/objtool/arch/x86/decode.c b/tools/objtool/arch/x86/decode.c
index a62e032863a8..4b504fc90bbb 100644
--- a/tools/objtool/arch/x86/decode.c
+++ b/tools/objtool/arch/x86/decode.c
@@ -11,6 +11,7 @@
#include "../../../arch/x86/lib/inat.c"
#include "../../../arch/x86/lib/insn.c"
+#include "../../check.h"
#include "../../elf.h"
#include "../../arch.h"
#include "../../warn.h"
@@ -26,7 +27,7 @@ static unsigned char op_to_cfi_reg[][2] = {
{CFI_DI, CFI_R15},
};
-static int is_x86_64(struct elf *elf)
+static int is_x86_64(const struct elf *elf)
{
switch (elf->ehdr.e_machine) {
case EM_X86_64:
@@ -66,16 +67,34 @@ bool arch_callee_saved_reg(unsigned char reg)
}
}
-int arch_decode_instruction(struct elf *elf, struct section *sec,
+unsigned long arch_dest_rela_offset(int addend)
+{
+ return addend + 4;
+}
+
+unsigned long arch_jump_destination(struct instruction *insn)
+{
+ return insn->offset + insn->len + insn->immediate;
+}
+
+#define ADD_OP(op) \
+ if (!(op = calloc(1, sizeof(*op)))) \
+ return -1; \
+ else for (list_add_tail(&op->list, ops_list); op; op = NULL)
+
+int arch_decode_instruction(const struct elf *elf, const struct section *sec,
unsigned long offset, unsigned int maxlen,
unsigned int *len, enum insn_type *type,
- unsigned long *immediate, struct stack_op *op)
+ unsigned long *immediate,
+ struct list_head *ops_list)
{
struct insn insn;
int x86_64, sign;
unsigned char op1, op2, rex = 0, rex_b = 0, rex_r = 0, rex_w = 0,
rex_x = 0, modrm = 0, modrm_mod = 0, modrm_rm = 0,
modrm_reg = 0, sib = 0;
+ struct stack_op *op = NULL;
+ struct symbol *sym;
x86_64 = is_x86_64(elf);
if (x86_64 == -1)
@@ -85,7 +104,7 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
insn_get_length(&insn);
if (!insn_complete(&insn)) {
- WARN_FUNC("can't decode instruction", sec, offset);
+ WARN("can't decode instruction at %s:0x%lx", sec->name, offset);
return -1;
}
@@ -123,40 +142,44 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
if (rex_w && !rex_b && modrm_mod == 3 && modrm_rm == 4) {
/* add/sub reg, %rsp */
- *type = INSN_STACK;
- op->src.type = OP_SRC_ADD;
- op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
}
break;
case 0x50 ... 0x57:
/* push reg */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG;
- op->src.reg = op_to_cfi_reg[op1 & 0x7][rex_b];
- op->dest.type = OP_DEST_PUSH;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = op_to_cfi_reg[op1 & 0x7][rex_b];
+ op->dest.type = OP_DEST_PUSH;
+ }
break;
case 0x58 ... 0x5f:
/* pop reg */
- *type = INSN_STACK;
- op->src.type = OP_SRC_POP;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = op_to_cfi_reg[op1 & 0x7][rex_b];
+ ADD_OP(op) {
+ op->src.type = OP_SRC_POP;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = op_to_cfi_reg[op1 & 0x7][rex_b];
+ }
break;
case 0x68:
case 0x6a:
/* push immediate */
- *type = INSN_STACK;
- op->src.type = OP_SRC_CONST;
- op->dest.type = OP_DEST_PUSH;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_CONST;
+ op->dest.type = OP_DEST_PUSH;
+ }
break;
case 0x70 ... 0x7f:
@@ -170,12 +193,13 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
if (modrm == 0xe4) {
/* and imm, %rsp */
- *type = INSN_STACK;
- op->src.type = OP_SRC_AND;
- op->src.reg = CFI_SP;
- op->src.offset = insn.immediate.value;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_AND;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn.immediate.value;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
break;
}
@@ -187,34 +211,37 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
break;
/* add/sub imm, %rsp */
- *type = INSN_STACK;
- op->src.type = OP_SRC_ADD;
- op->src.reg = CFI_SP;
- op->src.offset = insn.immediate.value * sign;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn.immediate.value * sign;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
break;
case 0x89:
if (rex_w && !rex_r && modrm_mod == 3 && modrm_reg == 4) {
/* mov %rsp, reg */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG;
- op->src.reg = CFI_SP;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = op_to_cfi_reg[modrm_rm][rex_b];
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = CFI_SP;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = op_to_cfi_reg[modrm_rm][rex_b];
+ }
break;
}
if (rex_w && !rex_b && modrm_mod == 3 && modrm_rm == 4) {
/* mov reg, %rsp */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG;
- op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
break;
}
@@ -224,22 +251,24 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
(modrm_mod == 1 || modrm_mod == 2) && modrm_rm == 5) {
/* mov reg, disp(%rbp) */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG;
- op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
- op->dest.type = OP_DEST_REG_INDIRECT;
- op->dest.reg = CFI_BP;
- op->dest.offset = insn.displacement.value;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ op->dest.type = OP_DEST_REG_INDIRECT;
+ op->dest.reg = CFI_BP;
+ op->dest.offset = insn.displacement.value;
+ }
} else if (rex_w && !rex_b && modrm_rm == 4 && sib == 0x24) {
/* mov reg, disp(%rsp) */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG;
- op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
- op->dest.type = OP_DEST_REG_INDIRECT;
- op->dest.reg = CFI_SP;
- op->dest.offset = insn.displacement.value;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG;
+ op->src.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ op->dest.type = OP_DEST_REG_INDIRECT;
+ op->dest.reg = CFI_SP;
+ op->dest.offset = insn.displacement.value;
+ }
}
break;
@@ -248,23 +277,25 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
if (rex_w && !rex_b && modrm_mod == 1 && modrm_rm == 5) {
/* mov disp(%rbp), reg */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG_INDIRECT;
- op->src.reg = CFI_BP;
- op->src.offset = insn.displacement.value;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG_INDIRECT;
+ op->src.reg = CFI_BP;
+ op->src.offset = insn.displacement.value;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ }
} else if (rex_w && !rex_b && sib == 0x24 &&
modrm_mod != 3 && modrm_rm == 4) {
/* mov disp(%rsp), reg */
- *type = INSN_STACK;
- op->src.type = OP_SRC_REG_INDIRECT;
- op->src.reg = CFI_SP;
- op->src.offset = insn.displacement.value;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ ADD_OP(op) {
+ op->src.type = OP_SRC_REG_INDIRECT;
+ op->src.reg = CFI_SP;
+ op->src.offset = insn.displacement.value;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
+ }
}
break;
@@ -272,28 +303,30 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
case 0x8d:
if (sib == 0x24 && rex_w && !rex_b && !rex_x) {
- *type = INSN_STACK;
- if (!insn.displacement.value) {
- /* lea (%rsp), reg */
- op->src.type = OP_SRC_REG;
- } else {
- /* lea disp(%rsp), reg */
- op->src.type = OP_SRC_ADD;
- op->src.offset = insn.displacement.value;
+ ADD_OP(op) {
+ if (!insn.displacement.value) {
+ /* lea (%rsp), reg */
+ op->src.type = OP_SRC_REG;
+ } else {
+ /* lea disp(%rsp), reg */
+ op->src.type = OP_SRC_ADD;
+ op->src.offset = insn.displacement.value;
+ }
+ op->src.reg = CFI_SP;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
}
- op->src.reg = CFI_SP;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = op_to_cfi_reg[modrm_reg][rex_r];
} else if (rex == 0x48 && modrm == 0x65) {
/* lea disp(%rbp), %rsp */
- *type = INSN_STACK;
- op->src.type = OP_SRC_ADD;
- op->src.reg = CFI_BP;
- op->src.offset = insn.displacement.value;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_BP;
+ op->src.offset = insn.displacement.value;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
} else if (rex == 0x49 && modrm == 0x62 &&
insn.displacement.value == -8) {
@@ -304,12 +337,13 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
* Restoring rsp back to its original value after a
* stack realignment.
*/
- *type = INSN_STACK;
- op->src.type = OP_SRC_ADD;
- op->src.reg = CFI_R10;
- op->src.offset = -8;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_R10;
+ op->src.offset = -8;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
} else if (rex == 0x49 && modrm == 0x65 &&
insn.displacement.value == -16) {
@@ -320,21 +354,23 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
* Restoring rsp back to its original value after a
* stack realignment.
*/
- *type = INSN_STACK;
- op->src.type = OP_SRC_ADD;
- op->src.reg = CFI_R13;
- op->src.offset = -16;
- op->dest.type = OP_DEST_REG;
- op->dest.reg = CFI_SP;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_R13;
+ op->src.offset = -16;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
}
break;
case 0x8f:
/* pop to mem */
- *type = INSN_STACK;
- op->src.type = OP_SRC_POP;
- op->dest.type = OP_DEST_MEM;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_POP;
+ op->dest.type = OP_DEST_MEM;
+ }
break;
case 0x90:
@@ -343,16 +379,18 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
case 0x9c:
/* pushf */
- *type = INSN_STACK;
- op->src.type = OP_SRC_CONST;
- op->dest.type = OP_DEST_PUSHF;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_CONST;
+ op->dest.type = OP_DEST_PUSHF;
+ }
break;
case 0x9d:
/* popf */
- *type = INSN_STACK;
- op->src.type = OP_SRC_POPF;
- op->dest.type = OP_DEST_MEM;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_POPF;
+ op->dest.type = OP_DEST_MEM;
+ }
break;
case 0x0f:
@@ -387,16 +425,18 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
} else if (op2 == 0xa0 || op2 == 0xa8) {
/* push fs/gs */
- *type = INSN_STACK;
- op->src.type = OP_SRC_CONST;
- op->dest.type = OP_DEST_PUSH;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_CONST;
+ op->dest.type = OP_DEST_PUSH;
+ }
} else if (op2 == 0xa1 || op2 == 0xa9) {
/* pop fs/gs */
- *type = INSN_STACK;
- op->src.type = OP_SRC_POP;
- op->dest.type = OP_DEST_MEM;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_POP;
+ op->dest.type = OP_DEST_MEM;
+ }
}
break;
@@ -409,8 +449,8 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
* mov bp, sp
* pop bp
*/
- *type = INSN_STACK;
- op->dest.type = OP_DEST_LEAVE;
+ ADD_OP(op)
+ op->dest.type = OP_DEST_LEAVE;
break;
@@ -429,14 +469,41 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
*type = INSN_RETURN;
break;
+ case 0xcf: /* iret */
+ /*
+ * Handle sync_core(), which has an IRET to self.
+ * All other IRET are in STT_NONE entry code.
+ */
+ sym = find_symbol_containing(sec, offset);
+ if (sym && sym->type == STT_FUNC) {
+ ADD_OP(op) {
+ /* add $40, %rsp */
+ op->src.type = OP_SRC_ADD;
+ op->src.reg = CFI_SP;
+ op->src.offset = 5*8;
+ op->dest.type = OP_DEST_REG;
+ op->dest.reg = CFI_SP;
+ }
+ break;
+ }
+
+ /* fallthrough */
+
case 0xca: /* retf */
case 0xcb: /* retf */
- case 0xcf: /* iret */
*type = INSN_CONTEXT_SWITCH;
break;
case 0xe8:
*type = INSN_CALL;
+ /*
+ * For the impact on the stack, a CALL behaves like
+ * a PUSH of an immediate value (the return address).
+ */
+ ADD_OP(op) {
+ op->src.type = OP_SRC_CONST;
+ op->dest.type = OP_DEST_PUSH;
+ }
break;
case 0xfc:
@@ -464,9 +531,10 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
else if (modrm_reg == 6) {
/* push from mem */
- *type = INSN_STACK;
- op->src.type = OP_SRC_CONST;
- op->dest.type = OP_DEST_PUSH;
+ ADD_OP(op) {
+ op->src.type = OP_SRC_CONST;
+ op->dest.type = OP_DEST_PUSH;
+ }
}
break;
@@ -480,7 +548,7 @@ int arch_decode_instruction(struct elf *elf, struct section *sec,
return 0;
}
-void arch_initial_func_cfi_state(struct cfi_state *state)
+void arch_initial_func_cfi_state(struct cfi_init_state *state)
{
int i;
diff --git a/tools/objtool/arch/x86/include/cfi_regs.h b/tools/objtool/arch/x86/include/cfi_regs.h
new file mode 100644
index 000000000000..79bc517efba8
--- /dev/null
+++ b/tools/objtool/arch/x86/include/cfi_regs.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#ifndef _OBJTOOL_CFI_REGS_H
+#define _OBJTOOL_CFI_REGS_H
+
+#define CFI_AX 0
+#define CFI_DX 1
+#define CFI_CX 2
+#define CFI_BX 3
+#define CFI_SI 4
+#define CFI_DI 5
+#define CFI_BP 6
+#define CFI_SP 7
+#define CFI_R8 8
+#define CFI_R9 9
+#define CFI_R10 10
+#define CFI_R11 11
+#define CFI_R12 12
+#define CFI_R13 13
+#define CFI_R14 14
+#define CFI_R15 15
+#define CFI_RA 16
+#define CFI_NUM_REGS 17
+
+#endif /* _OBJTOOL_CFI_REGS_H */
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 10fbe75ab43d..7a44174967b5 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -14,10 +14,11 @@
*/
#include <subcmd/parse-options.h>
+#include <string.h>
#include "builtin.h"
-#include "check.h"
+#include "objtool.h"
-bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats;
+bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
static const char * const check_usage[] = {
"objtool check [<options>] file.o",
@@ -32,12 +33,14 @@ const struct option check_options[] = {
OPT_BOOLEAN('b', "backtrace", &backtrace, "unwind on error"),
OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"),
OPT_BOOLEAN('s', "stats", &stats, "print statistics"),
+ OPT_BOOLEAN('d', "duplicate", &validate_dup, "duplicate validation for vmlinux.o"),
+ OPT_BOOLEAN('l', "vmlinux", &vmlinux, "vmlinux.o validation"),
OPT_END(),
};
int cmd_check(int argc, const char **argv)
{
- const char *objname;
+ const char *objname, *s;
argc = parse_options(argc, argv, check_options, check_usage, 0);
@@ -46,5 +49,9 @@ int cmd_check(int argc, const char **argv)
objname = argv[0];
+ s = strstr(objname, "vmlinux.o");
+ if (s && !s[9])
+ vmlinux = true;
+
return check(objname, false);
}
diff --git a/tools/objtool/builtin-orc.c b/tools/objtool/builtin-orc.c
index 5f7cc6157edd..b1dfe2007962 100644
--- a/tools/objtool/builtin-orc.c
+++ b/tools/objtool/builtin-orc.c
@@ -14,8 +14,7 @@
#include <string.h>
#include "builtin.h"
-#include "check.h"
-
+#include "objtool.h"
static const char *orc_usage[] = {
"objtool orc generate [<options>] file.o",
diff --git a/tools/objtool/builtin.h b/tools/objtool/builtin.h
index 0b907902ee79..85c979caa367 100644
--- a/tools/objtool/builtin.h
+++ b/tools/objtool/builtin.h
@@ -8,7 +8,7 @@
#include <subcmd/parse-options.h>
extern const struct option check_options[];
-extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats;
+extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats, validate_dup, vmlinux;
extern int cmd_check(int argc, const char **argv);
extern int cmd_orc(int argc, const char **argv);
diff --git a/tools/objtool/cfi.h b/tools/objtool/cfi.h
index 4427bf8ed686..c7c59c6a44ee 100644
--- a/tools/objtool/cfi.h
+++ b/tools/objtool/cfi.h
@@ -6,38 +6,33 @@
#ifndef _OBJTOOL_CFI_H
#define _OBJTOOL_CFI_H
+#include "cfi_regs.h"
+
#define CFI_UNDEFINED -1
#define CFI_CFA -2
#define CFI_SP_INDIRECT -3
#define CFI_BP_INDIRECT -4
-#define CFI_AX 0
-#define CFI_DX 1
-#define CFI_CX 2
-#define CFI_BX 3
-#define CFI_SI 4
-#define CFI_DI 5
-#define CFI_BP 6
-#define CFI_SP 7
-#define CFI_R8 8
-#define CFI_R9 9
-#define CFI_R10 10
-#define CFI_R11 11
-#define CFI_R12 12
-#define CFI_R13 13
-#define CFI_R14 14
-#define CFI_R15 15
-#define CFI_RA 16
-#define CFI_NUM_REGS 17
-
struct cfi_reg {
int base;
int offset;
};
-struct cfi_state {
+struct cfi_init_state {
+ struct cfi_reg regs[CFI_NUM_REGS];
struct cfi_reg cfa;
+};
+
+struct cfi_state {
struct cfi_reg regs[CFI_NUM_REGS];
+ struct cfi_reg vals[CFI_NUM_REGS];
+ struct cfi_reg cfa;
+ int stack_size;
+ int drap_reg, drap_offset;
+ unsigned char type;
+ bool bp_scratch;
+ bool drap;
+ bool end;
};
#endif /* _OBJTOOL_CFI_H */
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 4b170fd08a28..63d65a702900 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -7,10 +7,10 @@
#include <stdlib.h>
#include "builtin.h"
+#include "cfi.h"
+#include "arch.h"
#include "check.h"
-#include "elf.h"
#include "special.h"
-#include "arch.h"
#include "warn.h"
#include <linux/hashtable.h>
@@ -27,16 +27,17 @@ struct alternative {
};
const char *objname;
-struct cfi_state initial_func_cfi;
+struct cfi_init_state initial_func_cfi;
struct instruction *find_insn(struct objtool_file *file,
struct section *sec, unsigned long offset)
{
struct instruction *insn;
- hash_for_each_possible(file->insn_hash, insn, hash, offset)
+ hash_for_each_possible(file->insn_hash, insn, hash, sec_offset_hash(sec, offset)) {
if (insn->sec == sec && insn->offset == offset)
return insn;
+ }
return NULL;
}
@@ -72,6 +73,17 @@ static struct instruction *next_insn_same_func(struct objtool_file *file,
return find_insn(file, func->cfunc->sec, func->cfunc->offset);
}
+static struct instruction *prev_insn_same_sym(struct objtool_file *file,
+ struct instruction *insn)
+{
+ struct instruction *prev = list_prev_entry(insn, list);
+
+ if (&prev->list != &file->insn_list && prev->func == insn->func)
+ return prev;
+
+ return NULL;
+}
+
#define func_for_each_insn(file, func, insn) \
for (insn = find_insn(file, func->sec, func->offset); \
insn; \
@@ -215,18 +227,31 @@ static bool dead_end_function(struct objtool_file *file, struct symbol *func)
return __dead_end_function(file, func, 0);
}
-static void clear_insn_state(struct insn_state *state)
+static void init_cfi_state(struct cfi_state *cfi)
{
int i;
- memset(state, 0, sizeof(*state));
- state->cfa.base = CFI_UNDEFINED;
for (i = 0; i < CFI_NUM_REGS; i++) {
- state->regs[i].base = CFI_UNDEFINED;
- state->vals[i].base = CFI_UNDEFINED;
+ cfi->regs[i].base = CFI_UNDEFINED;
+ cfi->vals[i].base = CFI_UNDEFINED;
}
- state->drap_reg = CFI_UNDEFINED;
- state->drap_offset = -1;
+ cfi->cfa.base = CFI_UNDEFINED;
+ cfi->drap_reg = CFI_UNDEFINED;
+ cfi->drap_offset = -1;
+}
+
+static void init_insn_state(struct insn_state *state, struct section *sec)
+{
+ memset(state, 0, sizeof(*state));
+ init_cfi_state(&state->cfi);
+
+ /*
+ * We need the full vmlinux for noinstr validation, otherwise we can
+ * not correctly determine insn->call_dest->sec (external symbols do
+ * not have a section).
+ */
+ if (vmlinux && sec)
+ state->noinstr = sec->noinstr;
}
/*
@@ -252,6 +277,10 @@ static int decode_instructions(struct objtool_file *file)
strncmp(sec->name, ".discard.", 9))
sec->text = true;
+ if (!strcmp(sec->name, ".noinstr.text") ||
+ !strcmp(sec->name, ".entry.text"))
+ sec->noinstr = true;
+
for (offset = 0; offset < sec->len; offset += insn->len) {
insn = malloc(sizeof(*insn));
if (!insn) {
@@ -260,7 +289,8 @@ static int decode_instructions(struct objtool_file *file)
}
memset(insn, 0, sizeof(*insn));
INIT_LIST_HEAD(&insn->alts);
- clear_insn_state(&insn->state);
+ INIT_LIST_HEAD(&insn->stack_ops);
+ init_cfi_state(&insn->cfi);
insn->sec = sec;
insn->offset = offset;
@@ -269,11 +299,11 @@ static int decode_instructions(struct objtool_file *file)
sec->len - offset,
&insn->len, &insn->type,
&insn->immediate,
- &insn->stack_op);
+ &insn->stack_ops);
if (ret)
goto err;
- hash_add(file->insn_hash, &insn->hash, insn->offset);
+ hash_add(file->insn_hash, &insn->hash, sec_offset_hash(sec, insn->offset));
list_add_tail(&insn->list, &file->insn_list);
nr_insns++;
}
@@ -303,6 +333,19 @@ err:
return ret;
}
+static struct instruction *find_last_insn(struct objtool_file *file,
+ struct section *sec)
+{
+ struct instruction *insn = NULL;
+ unsigned int offset;
+ unsigned int end = (sec->len > 10) ? sec->len - 10 : 0;
+
+ for (offset = sec->len - 1; offset >= end && !insn; offset--)
+ insn = find_insn(file, sec, offset);
+
+ return insn;
+}
+
/*
* Mark "ud2" instructions and manually annotated dead ends.
*/
@@ -311,7 +354,6 @@ static int add_dead_ends(struct objtool_file *file)
struct section *sec;
struct rela *rela;
struct instruction *insn;
- bool found;
/*
* By default, "ud2" is a dead end unless otherwise annotated, because
@@ -337,15 +379,8 @@ static int add_dead_ends(struct objtool_file *file)
if (insn)
insn = list_prev_entry(insn, list);
else if (rela->addend == rela->sym->sec->len) {
- found = false;
- list_for_each_entry_reverse(insn, &file->insn_list, list) {
- if (insn->sec == rela->sym->sec) {
- found = true;
- break;
- }
- }
-
- if (!found) {
+ insn = find_last_insn(file, rela->sym->sec);
+ if (!insn) {
WARN("can't find unreachable insn at %s+0x%x",
rela->sym->sec->name, rela->addend);
return -1;
@@ -379,15 +414,8 @@ reachable:
if (insn)
insn = list_prev_entry(insn, list);
else if (rela->addend == rela->sym->sec->len) {
- found = false;
- list_for_each_entry_reverse(insn, &file->insn_list, list) {
- if (insn->sec == rela->sym->sec) {
- found = true;
- break;
- }
- }
-
- if (!found) {
+ insn = find_last_insn(file, rela->sym->sec);
+ if (!insn) {
WARN("can't find reachable insn at %s+0x%x",
rela->sym->sec->name, rela->addend);
return -1;
@@ -479,6 +507,7 @@ static const char *uaccess_safe_builtin[] = {
"__asan_report_store16_noabort",
/* KCOV */
"write_comp_data",
+ "check_kcov_mode",
"__sanitizer_cov_trace_pc",
"__sanitizer_cov_trace_const_cmp1",
"__sanitizer_cov_trace_const_cmp2",
@@ -574,13 +603,14 @@ static int add_jump_destinations(struct objtool_file *file)
insn->offset, insn->len);
if (!rela) {
dest_sec = insn->sec;
- dest_off = insn->offset + insn->len + insn->immediate;
+ dest_off = arch_jump_destination(insn);
} else if (rela->sym->type == STT_SECTION) {
dest_sec = rela->sym->sec;
- dest_off = rela->addend + 4;
+ dest_off = arch_dest_rela_offset(rela->addend);
} else if (rela->sym->sec->idx) {
dest_sec = rela->sym->sec;
- dest_off = rela->sym->sym.st_value + rela->addend + 4;
+ dest_off = rela->sym->sym.st_value +
+ arch_dest_rela_offset(rela->addend);
} else if (strstr(rela->sym->name, "_indirect_thunk_")) {
/*
* Retpoline jumps are really dynamic jumps in
@@ -654,6 +684,16 @@ static int add_jump_destinations(struct objtool_file *file)
return 0;
}
+static void remove_insn_ops(struct instruction *insn)
+{
+ struct stack_op *op, *tmp;
+
+ list_for_each_entry_safe(op, tmp, &insn->stack_ops, list) {
+ list_del(&op->list);
+ free(op);
+ }
+}
+
/*
* Find the destination instructions for all calls.
*/
@@ -670,7 +710,7 @@ static int add_call_destinations(struct objtool_file *file)
rela = find_rela_by_dest_range(file->elf, insn->sec,
insn->offset, insn->len);
if (!rela) {
- dest_off = insn->offset + insn->len + insn->immediate;
+ dest_off = arch_jump_destination(insn);
insn->call_dest = find_func_by_offset(insn->sec, dest_off);
if (!insn->call_dest)
insn->call_dest = find_symbol_by_offset(insn->sec, dest_off);
@@ -679,10 +719,7 @@ static int add_call_destinations(struct objtool_file *file)
continue;
if (!insn->call_dest) {
- WARN_FUNC("unsupported intra-function call",
- insn->sec, insn->offset);
- if (retpoline)
- WARN("If this is a retpoline, please patch it in with alternatives and annotate it with ANNOTATE_NOSPEC_ALTERNATIVE.");
+ WARN_FUNC("unannotated intra-function call", insn->sec, insn->offset);
return -1;
}
@@ -693,17 +730,27 @@ static int add_call_destinations(struct objtool_file *file)
}
} else if (rela->sym->type == STT_SECTION) {
+ dest_off = arch_dest_rela_offset(rela->addend);
insn->call_dest = find_func_by_offset(rela->sym->sec,
- rela->addend+4);
+ dest_off);
if (!insn->call_dest) {
- WARN_FUNC("can't find call dest symbol at %s+0x%x",
+ WARN_FUNC("can't find call dest symbol at %s+0x%lx",
insn->sec, insn->offset,
rela->sym->sec->name,
- rela->addend + 4);
+ dest_off);
return -1;
}
} else
insn->call_dest = rela->sym;
+
+ /*
+ * Whatever stack impact regular CALLs have, should be undone
+ * by the RETURN of the called function.
+ *
+ * Annotated intra-function calls retain the stack_ops but
+ * are converted to JUMP, see read_intra_function_calls().
+ */
+ remove_insn_ops(insn);
}
return 0;
@@ -731,7 +778,9 @@ static int handle_group_alt(struct objtool_file *file,
struct instruction *orig_insn,
struct instruction **new_insn)
{
+ static unsigned int alt_group_next_index = 1;
struct instruction *last_orig_insn, *last_new_insn, *insn, *fake_jump = NULL;
+ unsigned int alt_group = alt_group_next_index++;
unsigned long dest_off;
last_orig_insn = NULL;
@@ -740,7 +789,7 @@ static int handle_group_alt(struct objtool_file *file,
if (insn->offset >= special_alt->orig_off + special_alt->orig_len)
break;
- insn->alt_group = true;
+ insn->alt_group = alt_group;
last_orig_insn = insn;
}
@@ -752,7 +801,8 @@ static int handle_group_alt(struct objtool_file *file,
}
memset(fake_jump, 0, sizeof(*fake_jump));
INIT_LIST_HEAD(&fake_jump->alts);
- clear_insn_state(&fake_jump->state);
+ INIT_LIST_HEAD(&fake_jump->stack_ops);
+ init_cfi_state(&fake_jump->cfi);
fake_jump->sec = special_alt->new_sec;
fake_jump->offset = FAKE_JUMP_OFFSET;
@@ -773,6 +823,7 @@ static int handle_group_alt(struct objtool_file *file,
}
last_new_insn = NULL;
+ alt_group = alt_group_next_index++;
insn = *new_insn;
sec_for_each_insn_from(file, insn) {
if (insn->offset >= special_alt->new_off + special_alt->new_len)
@@ -782,6 +833,7 @@ static int handle_group_alt(struct objtool_file *file,
insn->ignore = orig_insn->ignore_alts;
insn->func = orig_insn->func;
+ insn->alt_group = alt_group;
/*
* Since alternative replacement code is copy/pasted by the
@@ -810,7 +862,7 @@ static int handle_group_alt(struct objtool_file *file,
if (!insn->immediate)
continue;
- dest_off = insn->offset + insn->len + insn->immediate;
+ dest_off = arch_jump_destination(insn);
if (dest_off == special_alt->new_off + special_alt->new_len) {
if (!fake_jump) {
WARN("%s: alternative jump to end of section",
@@ -905,6 +957,12 @@ static int add_special_section_alts(struct objtool_file *file)
}
if (special_alt->group) {
+ if (!special_alt->orig_len) {
+ WARN_FUNC("empty alternative entry",
+ orig_insn->sec, orig_insn->offset);
+ continue;
+ }
+
ret = handle_group_alt(file, special_alt, orig_insn,
&new_insn);
if (ret)
@@ -1050,8 +1108,8 @@ static struct rela *find_jump_table(struct objtool_file *file,
* it.
*/
for (;
- &insn->list != &file->insn_list && insn->func && insn->func->pfunc == func;
- insn = insn->first_jump_src ?: list_prev_entry(insn, list)) {
+ insn && insn->func && insn->func->pfunc == func;
+ insn = insn->first_jump_src ?: prev_insn_same_sym(file, insn)) {
if (insn != orig_insn && insn->type == INSN_JUMP_DYNAMIC)
break;
@@ -1242,15 +1300,10 @@ static int read_unwind_hints(struct objtool_file *file)
return -1;
}
- cfa = &insn->state.cfa;
+ cfa = &insn->cfi.cfa;
- if (hint->type == UNWIND_HINT_TYPE_SAVE) {
- insn->save = true;
- continue;
-
- } else if (hint->type == UNWIND_HINT_TYPE_RESTORE) {
- insn->restore = true;
- insn->hint = true;
+ if (hint->type == UNWIND_HINT_TYPE_RET_OFFSET) {
+ insn->ret_offset = hint->sp_offset;
continue;
}
@@ -1288,8 +1341,8 @@ static int read_unwind_hints(struct objtool_file *file)
}
cfa->offset = hint->sp_offset;
- insn->state.type = hint->type;
- insn->state.end = hint->end;
+ insn->cfi.type = hint->type;
+ insn->cfi.end = hint->end;
}
return 0;
@@ -1330,6 +1383,104 @@ static int read_retpoline_hints(struct objtool_file *file)
return 0;
}
+static int read_instr_hints(struct objtool_file *file)
+{
+ struct section *sec;
+ struct instruction *insn;
+ struct rela *rela;
+
+ sec = find_section_by_name(file->elf, ".rela.discard.instr_end");
+ if (!sec)
+ return 0;
+
+ list_for_each_entry(rela, &sec->rela_list, list) {
+ if (rela->sym->type != STT_SECTION) {
+ WARN("unexpected relocation symbol type in %s", sec->name);
+ return -1;
+ }
+
+ insn = find_insn(file, rela->sym->sec, rela->addend);
+ if (!insn) {
+ WARN("bad .discard.instr_end entry");
+ return -1;
+ }
+
+ insn->instr--;
+ }
+
+ sec = find_section_by_name(file->elf, ".rela.discard.instr_begin");
+ if (!sec)
+ return 0;
+
+ list_for_each_entry(rela, &sec->rela_list, list) {
+ if (rela->sym->type != STT_SECTION) {
+ WARN("unexpected relocation symbol type in %s", sec->name);
+ return -1;
+ }
+
+ insn = find_insn(file, rela->sym->sec, rela->addend);
+ if (!insn) {
+ WARN("bad .discard.instr_begin entry");
+ return -1;
+ }
+
+ insn->instr++;
+ }
+
+ return 0;
+}
+
+static int read_intra_function_calls(struct objtool_file *file)
+{
+ struct instruction *insn;
+ struct section *sec;
+ struct rela *rela;
+
+ sec = find_section_by_name(file->elf, ".rela.discard.intra_function_calls");
+ if (!sec)
+ return 0;
+
+ list_for_each_entry(rela, &sec->rela_list, list) {
+ unsigned long dest_off;
+
+ if (rela->sym->type != STT_SECTION) {
+ WARN("unexpected relocation symbol type in %s",
+ sec->name);
+ return -1;
+ }
+
+ insn = find_insn(file, rela->sym->sec, rela->addend);
+ if (!insn) {
+ WARN("bad .discard.intra_function_call entry");
+ return -1;
+ }
+
+ if (insn->type != INSN_CALL) {
+ WARN_FUNC("intra_function_call not a direct call",
+ insn->sec, insn->offset);
+ return -1;
+ }
+
+ /*
+ * Treat intra-function CALLs as JMPs, but with a stack_op.
+ * See add_call_destinations(), which strips stack_ops from
+ * normal CALLs.
+ */
+ insn->type = INSN_JUMP_UNCONDITIONAL;
+
+ dest_off = insn->offset + insn->len + insn->immediate;
+ insn->jump_dest = find_insn(file, insn->sec, dest_off);
+ if (!insn->jump_dest) {
+ WARN_FUNC("can't find call dest at %s+0x%lx",
+ insn->sec, insn->offset,
+ insn->sec->name, dest_off);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
static void mark_rodata(struct objtool_file *file)
{
struct section *sec;
@@ -1346,8 +1497,8 @@ static void mark_rodata(struct objtool_file *file)
* .rodata.str1.* sections are ignored; they don't contain jump tables.
*/
for_each_sec(file, sec) {
- if ((!strncmp(sec->name, ".rodata", 7) && !strstr(sec->name, ".str1.")) ||
- !strcmp(sec->name, C_JUMP_TABLE_SECTION)) {
+ if (!strncmp(sec->name, ".rodata", 7) &&
+ !strstr(sec->name, ".str1.")) {
sec->rodata = true;
found = true;
}
@@ -1385,6 +1536,10 @@ static int decode_sections(struct objtool_file *file)
if (ret)
return ret;
+ ret = read_intra_function_calls(file);
+ if (ret)
+ return ret;
+
ret = add_call_destinations(file);
if (ret)
return ret;
@@ -1401,12 +1556,16 @@ static int decode_sections(struct objtool_file *file)
if (ret)
return ret;
+ ret = read_instr_hints(file);
+ if (ret)
+ return ret;
+
return 0;
}
static bool is_fentry_call(struct instruction *insn)
{
- if (insn->type == INSN_CALL &&
+ if (insn->type == INSN_CALL && insn->call_dest &&
insn->call_dest->type == STT_NOTYPE &&
!strcmp(insn->call_dest->name, "__fentry__"))
return true;
@@ -1414,42 +1573,59 @@ static bool is_fentry_call(struct instruction *insn)
return false;
}
-static bool has_modified_stack_frame(struct insn_state *state)
+static bool has_modified_stack_frame(struct instruction *insn, struct insn_state *state)
{
+ u8 ret_offset = insn->ret_offset;
+ struct cfi_state *cfi = &state->cfi;
int i;
- if (state->cfa.base != initial_func_cfi.cfa.base ||
- state->cfa.offset != initial_func_cfi.cfa.offset ||
- state->stack_size != initial_func_cfi.cfa.offset ||
- state->drap)
+ if (cfi->cfa.base != initial_func_cfi.cfa.base || cfi->drap)
+ return true;
+
+ if (cfi->cfa.offset != initial_func_cfi.cfa.offset + ret_offset)
return true;
- for (i = 0; i < CFI_NUM_REGS; i++)
- if (state->regs[i].base != initial_func_cfi.regs[i].base ||
- state->regs[i].offset != initial_func_cfi.regs[i].offset)
+ if (cfi->stack_size != initial_func_cfi.cfa.offset + ret_offset)
+ return true;
+
+ /*
+ * If there is a ret offset hint then don't check registers
+ * because a callee-saved register might have been pushed on
+ * the stack.
+ */
+ if (ret_offset)
+ return false;
+
+ for (i = 0; i < CFI_NUM_REGS; i++) {
+ if (cfi->regs[i].base != initial_func_cfi.regs[i].base ||
+ cfi->regs[i].offset != initial_func_cfi.regs[i].offset)
return true;
+ }
return false;
}
static bool has_valid_stack_frame(struct insn_state *state)
{
- if (state->cfa.base == CFI_BP && state->regs[CFI_BP].base == CFI_CFA &&
- state->regs[CFI_BP].offset == -16)
+ struct cfi_state *cfi = &state->cfi;
+
+ if (cfi->cfa.base == CFI_BP && cfi->regs[CFI_BP].base == CFI_CFA &&
+ cfi->regs[CFI_BP].offset == -16)
return true;
- if (state->drap && state->regs[CFI_BP].base == CFI_BP)
+ if (cfi->drap && cfi->regs[CFI_BP].base == CFI_BP)
return true;
return false;
}
-static int update_insn_state_regs(struct instruction *insn, struct insn_state *state)
+static int update_cfi_state_regs(struct instruction *insn,
+ struct cfi_state *cfi,
+ struct stack_op *op)
{
- struct cfi_reg *cfa = &state->cfa;
- struct stack_op *op = &insn->stack_op;
+ struct cfi_reg *cfa = &cfi->cfa;
- if (cfa->base != CFI_SP)
+ if (cfa->base != CFI_SP && cfa->base != CFI_SP_INDIRECT)
return 0;
/* push */
@@ -1468,20 +1644,19 @@ static int update_insn_state_regs(struct instruction *insn, struct insn_state *s
return 0;
}
-static void save_reg(struct insn_state *state, unsigned char reg, int base,
- int offset)
+static void save_reg(struct cfi_state *cfi, unsigned char reg, int base, int offset)
{
if (arch_callee_saved_reg(reg) &&
- state->regs[reg].base == CFI_UNDEFINED) {
- state->regs[reg].base = base;
- state->regs[reg].offset = offset;
+ cfi->regs[reg].base == CFI_UNDEFINED) {
+ cfi->regs[reg].base = base;
+ cfi->regs[reg].offset = offset;
}
}
-static void restore_reg(struct insn_state *state, unsigned char reg)
+static void restore_reg(struct cfi_state *cfi, unsigned char reg)
{
- state->regs[reg].base = CFI_UNDEFINED;
- state->regs[reg].offset = 0;
+ cfi->regs[reg].base = initial_func_cfi.regs[reg].base;
+ cfi->regs[reg].offset = initial_func_cfi.regs[reg].offset;
}
/*
@@ -1537,11 +1712,11 @@ static void restore_reg(struct insn_state *state, unsigned char reg)
* 41 5d pop %r13
* c3 retq
*/
-static int update_insn_state(struct instruction *insn, struct insn_state *state)
+static int update_cfi_state(struct instruction *insn, struct cfi_state *cfi,
+ struct stack_op *op)
{
- struct stack_op *op = &insn->stack_op;
- struct cfi_reg *cfa = &state->cfa;
- struct cfi_reg *regs = state->regs;
+ struct cfi_reg *cfa = &cfi->cfa;
+ struct cfi_reg *regs = cfi->regs;
/* stack operations don't make sense with an undefined CFA */
if (cfa->base == CFI_UNDEFINED) {
@@ -1552,8 +1727,8 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
return 0;
}
- if (state->type == ORC_TYPE_REGS || state->type == ORC_TYPE_REGS_IRET)
- return update_insn_state_regs(insn, state);
+ if (cfi->type == ORC_TYPE_REGS || cfi->type == ORC_TYPE_REGS_IRET)
+ return update_cfi_state_regs(insn, cfi, op);
switch (op->dest.type) {
@@ -1568,16 +1743,16 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
/* mov %rsp, %rbp */
cfa->base = op->dest.reg;
- state->bp_scratch = false;
+ cfi->bp_scratch = false;
}
else if (op->src.reg == CFI_SP &&
- op->dest.reg == CFI_BP && state->drap) {
+ op->dest.reg == CFI_BP && cfi->drap) {
/* drap: mov %rsp, %rbp */
regs[CFI_BP].base = CFI_BP;
- regs[CFI_BP].offset = -state->stack_size;
- state->bp_scratch = false;
+ regs[CFI_BP].offset = -cfi->stack_size;
+ cfi->bp_scratch = false;
}
else if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {
@@ -1592,8 +1767,8 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
* ...
* mov %rax, %rsp
*/
- state->vals[op->dest.reg].base = CFI_CFA;
- state->vals[op->dest.reg].offset = -state->stack_size;
+ cfi->vals[op->dest.reg].base = CFI_CFA;
+ cfi->vals[op->dest.reg].offset = -cfi->stack_size;
}
else if (op->src.reg == CFI_BP && op->dest.reg == CFI_SP &&
@@ -1604,14 +1779,14 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
*
* Restore the original stack pointer (Clang).
*/
- state->stack_size = -state->regs[CFI_BP].offset;
+ cfi->stack_size = -cfi->regs[CFI_BP].offset;
}
else if (op->dest.reg == cfa->base) {
/* mov %reg, %rsp */
if (cfa->base == CFI_SP &&
- state->vals[op->src.reg].base == CFI_CFA) {
+ cfi->vals[op->src.reg].base == CFI_CFA) {
/*
* This is needed for the rare case
@@ -1621,8 +1796,8 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
* ...
* mov %rcx, %rsp
*/
- cfa->offset = -state->vals[op->src.reg].offset;
- state->stack_size = cfa->offset;
+ cfa->offset = -cfi->vals[op->src.reg].offset;
+ cfi->stack_size = cfa->offset;
} else {
cfa->base = CFI_UNDEFINED;
@@ -1636,7 +1811,7 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
if (op->dest.reg == CFI_SP && op->src.reg == CFI_SP) {
/* add imm, %rsp */
- state->stack_size -= op->src.offset;
+ cfi->stack_size -= op->src.offset;
if (cfa->base == CFI_SP)
cfa->offset -= op->src.offset;
break;
@@ -1645,14 +1820,14 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
if (op->dest.reg == CFI_SP && op->src.reg == CFI_BP) {
/* lea disp(%rbp), %rsp */
- state->stack_size = -(op->src.offset + regs[CFI_BP].offset);
+ cfi->stack_size = -(op->src.offset + regs[CFI_BP].offset);
break;
}
if (op->src.reg == CFI_SP && cfa->base == CFI_SP) {
/* drap: lea disp(%rsp), %drap */
- state->drap_reg = op->dest.reg;
+ cfi->drap_reg = op->dest.reg;
/*
* lea disp(%rsp), %reg
@@ -1664,25 +1839,25 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
* ...
* mov %rcx, %rsp
*/
- state->vals[op->dest.reg].base = CFI_CFA;
- state->vals[op->dest.reg].offset = \
- -state->stack_size + op->src.offset;
+ cfi->vals[op->dest.reg].base = CFI_CFA;
+ cfi->vals[op->dest.reg].offset = \
+ -cfi->stack_size + op->src.offset;
break;
}
- if (state->drap && op->dest.reg == CFI_SP &&
- op->src.reg == state->drap_reg) {
+ if (cfi->drap && op->dest.reg == CFI_SP &&
+ op->src.reg == cfi->drap_reg) {
/* drap: lea disp(%drap), %rsp */
cfa->base = CFI_SP;
- cfa->offset = state->stack_size = -op->src.offset;
- state->drap_reg = CFI_UNDEFINED;
- state->drap = false;
+ cfa->offset = cfi->stack_size = -op->src.offset;
+ cfi->drap_reg = CFI_UNDEFINED;
+ cfi->drap = false;
break;
}
- if (op->dest.reg == state->cfa.base) {
+ if (op->dest.reg == cfi->cfa.base) {
WARN_FUNC("unsupported stack register modification",
insn->sec, insn->offset);
return -1;
@@ -1692,18 +1867,18 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
case OP_SRC_AND:
if (op->dest.reg != CFI_SP ||
- (state->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||
- (state->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {
+ (cfi->drap_reg != CFI_UNDEFINED && cfa->base != CFI_SP) ||
+ (cfi->drap_reg == CFI_UNDEFINED && cfa->base != CFI_BP)) {
WARN_FUNC("unsupported stack pointer realignment",
insn->sec, insn->offset);
return -1;
}
- if (state->drap_reg != CFI_UNDEFINED) {
+ if (cfi->drap_reg != CFI_UNDEFINED) {
/* drap: and imm, %rsp */
- cfa->base = state->drap_reg;
- cfa->offset = state->stack_size = 0;
- state->drap = true;
+ cfa->base = cfi->drap_reg;
+ cfa->offset = cfi->stack_size = 0;
+ cfi->drap = true;
}
/*
@@ -1715,57 +1890,55 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
case OP_SRC_POP:
case OP_SRC_POPF:
- if (!state->drap && op->dest.type == OP_DEST_REG &&
- op->dest.reg == cfa->base) {
+ if (!cfi->drap && op->dest.reg == cfa->base) {
/* pop %rbp */
cfa->base = CFI_SP;
}
- if (state->drap && cfa->base == CFI_BP_INDIRECT &&
- op->dest.type == OP_DEST_REG &&
- op->dest.reg == state->drap_reg &&
- state->drap_offset == -state->stack_size) {
+ if (cfi->drap && cfa->base == CFI_BP_INDIRECT &&
+ op->dest.reg == cfi->drap_reg &&
+ cfi->drap_offset == -cfi->stack_size) {
/* drap: pop %drap */
- cfa->base = state->drap_reg;
+ cfa->base = cfi->drap_reg;
cfa->offset = 0;
- state->drap_offset = -1;
+ cfi->drap_offset = -1;
- } else if (regs[op->dest.reg].offset == -state->stack_size) {
+ } else if (regs[op->dest.reg].offset == -cfi->stack_size) {
/* pop %reg */
- restore_reg(state, op->dest.reg);
+ restore_reg(cfi, op->dest.reg);
}
- state->stack_size -= 8;
+ cfi->stack_size -= 8;
if (cfa->base == CFI_SP)
cfa->offset -= 8;
break;
case OP_SRC_REG_INDIRECT:
- if (state->drap && op->src.reg == CFI_BP &&
- op->src.offset == state->drap_offset) {
+ if (cfi->drap && op->src.reg == CFI_BP &&
+ op->src.offset == cfi->drap_offset) {
/* drap: mov disp(%rbp), %drap */
- cfa->base = state->drap_reg;
+ cfa->base = cfi->drap_reg;
cfa->offset = 0;
- state->drap_offset = -1;
+ cfi->drap_offset = -1;
}
- if (state->drap && op->src.reg == CFI_BP &&
+ if (cfi->drap && op->src.reg == CFI_BP &&
op->src.offset == regs[op->dest.reg].offset) {
/* drap: mov disp(%rbp), %reg */
- restore_reg(state, op->dest.reg);
+ restore_reg(cfi, op->dest.reg);
} else if (op->src.reg == cfa->base &&
op->src.offset == regs[op->dest.reg].offset + cfa->offset) {
/* mov disp(%rbp), %reg */
/* mov disp(%rsp), %reg */
- restore_reg(state, op->dest.reg);
+ restore_reg(cfi, op->dest.reg);
}
break;
@@ -1780,78 +1953,78 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
case OP_DEST_PUSH:
case OP_DEST_PUSHF:
- state->stack_size += 8;
+ cfi->stack_size += 8;
if (cfa->base == CFI_SP)
cfa->offset += 8;
if (op->src.type != OP_SRC_REG)
break;
- if (state->drap) {
- if (op->src.reg == cfa->base && op->src.reg == state->drap_reg) {
+ if (cfi->drap) {
+ if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {
/* drap: push %drap */
cfa->base = CFI_BP_INDIRECT;
- cfa->offset = -state->stack_size;
+ cfa->offset = -cfi->stack_size;
/* save drap so we know when to restore it */
- state->drap_offset = -state->stack_size;
+ cfi->drap_offset = -cfi->stack_size;
- } else if (op->src.reg == CFI_BP && cfa->base == state->drap_reg) {
+ } else if (op->src.reg == CFI_BP && cfa->base == cfi->drap_reg) {
/* drap: push %rbp */
- state->stack_size = 0;
+ cfi->stack_size = 0;
} else if (regs[op->src.reg].base == CFI_UNDEFINED) {
/* drap: push %reg */
- save_reg(state, op->src.reg, CFI_BP, -state->stack_size);
+ save_reg(cfi, op->src.reg, CFI_BP, -cfi->stack_size);
}
} else {
/* push %reg */
- save_reg(state, op->src.reg, CFI_CFA, -state->stack_size);
+ save_reg(cfi, op->src.reg, CFI_CFA, -cfi->stack_size);
}
/* detect when asm code uses rbp as a scratch register */
if (!no_fp && insn->func && op->src.reg == CFI_BP &&
cfa->base != CFI_BP)
- state->bp_scratch = true;
+ cfi->bp_scratch = true;
break;
case OP_DEST_REG_INDIRECT:
- if (state->drap) {
- if (op->src.reg == cfa->base && op->src.reg == state->drap_reg) {
+ if (cfi->drap) {
+ if (op->src.reg == cfa->base && op->src.reg == cfi->drap_reg) {
/* drap: mov %drap, disp(%rbp) */
cfa->base = CFI_BP_INDIRECT;
cfa->offset = op->dest.offset;
/* save drap offset so we know when to restore it */
- state->drap_offset = op->dest.offset;
+ cfi->drap_offset = op->dest.offset;
}
else if (regs[op->src.reg].base == CFI_UNDEFINED) {
/* drap: mov reg, disp(%rbp) */
- save_reg(state, op->src.reg, CFI_BP, op->dest.offset);
+ save_reg(cfi, op->src.reg, CFI_BP, op->dest.offset);
}
} else if (op->dest.reg == cfa->base) {
/* mov reg, disp(%rbp) */
/* mov reg, disp(%rsp) */
- save_reg(state, op->src.reg, CFI_CFA,
- op->dest.offset - state->cfa.offset);
+ save_reg(cfi, op->src.reg, CFI_CFA,
+ op->dest.offset - cfi->cfa.offset);
}
break;
case OP_DEST_LEAVE:
- if ((!state->drap && cfa->base != CFI_BP) ||
- (state->drap && cfa->base != state->drap_reg)) {
+ if ((!cfi->drap && cfa->base != CFI_BP) ||
+ (cfi->drap && cfa->base != cfi->drap_reg)) {
WARN_FUNC("leave instruction with modified stack frame",
insn->sec, insn->offset);
return -1;
@@ -1859,10 +2032,10 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
/* leave (mov %rbp, %rsp; pop %rbp) */
- state->stack_size = -state->regs[CFI_BP].offset - 8;
- restore_reg(state, CFI_BP);
+ cfi->stack_size = -cfi->regs[CFI_BP].offset - 8;
+ restore_reg(cfi, CFI_BP);
- if (!state->drap) {
+ if (!cfi->drap) {
cfa->base = CFI_SP;
cfa->offset -= 8;
}
@@ -1877,7 +2050,7 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
}
/* pop mem */
- state->stack_size -= 8;
+ cfi->stack_size -= 8;
if (cfa->base == CFI_SP)
cfa->offset -= 8;
@@ -1892,41 +2065,86 @@ static int update_insn_state(struct instruction *insn, struct insn_state *state)
return 0;
}
-static bool insn_state_match(struct instruction *insn, struct insn_state *state)
+static int handle_insn_ops(struct instruction *insn, struct insn_state *state)
{
- struct insn_state *state1 = &insn->state, *state2 = state;
+ struct stack_op *op;
+
+ list_for_each_entry(op, &insn->stack_ops, list) {
+ struct cfi_state old_cfi = state->cfi;
+ int res;
+
+ res = update_cfi_state(insn, &state->cfi, op);
+ if (res)
+ return res;
+
+ if (insn->alt_group && memcmp(&state->cfi, &old_cfi, sizeof(struct cfi_state))) {
+ WARN_FUNC("alternative modifies stack", insn->sec, insn->offset);
+ return -1;
+ }
+
+ if (op->dest.type == OP_DEST_PUSHF) {
+ if (!state->uaccess_stack) {
+ state->uaccess_stack = 1;
+ } else if (state->uaccess_stack >> 31) {
+ WARN_FUNC("PUSHF stack exhausted",
+ insn->sec, insn->offset);
+ return 1;
+ }
+ state->uaccess_stack <<= 1;
+ state->uaccess_stack |= state->uaccess;
+ }
+
+ if (op->src.type == OP_SRC_POPF) {
+ if (state->uaccess_stack) {
+ state->uaccess = state->uaccess_stack & 1;
+ state->uaccess_stack >>= 1;
+ if (state->uaccess_stack == 1)
+ state->uaccess_stack = 0;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static bool insn_cfi_match(struct instruction *insn, struct cfi_state *cfi2)
+{
+ struct cfi_state *cfi1 = &insn->cfi;
int i;
- if (memcmp(&state1->cfa, &state2->cfa, sizeof(state1->cfa))) {
+ if (memcmp(&cfi1->cfa, &cfi2->cfa, sizeof(cfi1->cfa))) {
+
WARN_FUNC("stack state mismatch: cfa1=%d%+d cfa2=%d%+d",
insn->sec, insn->offset,
- state1->cfa.base, state1->cfa.offset,
- state2->cfa.base, state2->cfa.offset);
+ cfi1->cfa.base, cfi1->cfa.offset,
+ cfi2->cfa.base, cfi2->cfa.offset);
- } else if (memcmp(&state1->regs, &state2->regs, sizeof(state1->regs))) {
+ } else if (memcmp(&cfi1->regs, &cfi2->regs, sizeof(cfi1->regs))) {
for (i = 0; i < CFI_NUM_REGS; i++) {
- if (!memcmp(&state1->regs[i], &state2->regs[i],
+ if (!memcmp(&cfi1->regs[i], &cfi2->regs[i],
sizeof(struct cfi_reg)))
continue;
WARN_FUNC("stack state mismatch: reg1[%d]=%d%+d reg2[%d]=%d%+d",
insn->sec, insn->offset,
- i, state1->regs[i].base, state1->regs[i].offset,
- i, state2->regs[i].base, state2->regs[i].offset);
+ i, cfi1->regs[i].base, cfi1->regs[i].offset,
+ i, cfi2->regs[i].base, cfi2->regs[i].offset);
break;
}
- } else if (state1->type != state2->type) {
+ } else if (cfi1->type != cfi2->type) {
+
WARN_FUNC("stack state mismatch: type1=%d type2=%d",
- insn->sec, insn->offset, state1->type, state2->type);
+ insn->sec, insn->offset, cfi1->type, cfi2->type);
+
+ } else if (cfi1->drap != cfi2->drap ||
+ (cfi1->drap && cfi1->drap_reg != cfi2->drap_reg) ||
+ (cfi1->drap && cfi1->drap_offset != cfi2->drap_offset)) {
- } else if (state1->drap != state2->drap ||
- (state1->drap && state1->drap_reg != state2->drap_reg) ||
- (state1->drap && state1->drap_offset != state2->drap_offset)) {
WARN_FUNC("stack state mismatch: drap1=%d(%d,%d) drap2=%d(%d,%d)",
insn->sec, insn->offset,
- state1->drap, state1->drap_reg, state1->drap_offset,
- state2->drap, state2->drap_reg, state2->drap_offset);
+ cfi1->drap, cfi1->drap_reg, cfi1->drap_offset,
+ cfi2->drap, cfi2->drap_reg, cfi2->drap_offset);
} else
return true;
@@ -1952,6 +2170,13 @@ static inline const char *call_dest_name(struct instruction *insn)
static int validate_call(struct instruction *insn, struct insn_state *state)
{
+ if (state->noinstr && state->instr <= 0 &&
+ (!insn->call_dest || !insn->call_dest->sec->noinstr)) {
+ WARN_FUNC("call to %s() leaves .noinstr.text section",
+ insn->sec, insn->offset, call_dest_name(insn));
+ return 1;
+ }
+
if (state->uaccess && !func_uaccess_safe(insn->call_dest)) {
WARN_FUNC("call to %s() with UACCESS enabled",
insn->sec, insn->offset, call_dest_name(insn));
@@ -1969,7 +2194,7 @@ static int validate_call(struct instruction *insn, struct insn_state *state)
static int validate_sibling_call(struct instruction *insn, struct insn_state *state)
{
- if (has_modified_stack_frame(state)) {
+ if (has_modified_stack_frame(insn, state)) {
WARN_FUNC("sibling call from callable instruction with modified stack frame",
insn->sec, insn->offset);
return 1;
@@ -1980,6 +2205,12 @@ static int validate_sibling_call(struct instruction *insn, struct insn_state *st
static int validate_return(struct symbol *func, struct instruction *insn, struct insn_state *state)
{
+ if (state->noinstr && state->instr > 0) {
+ WARN_FUNC("return with instrumentation enabled",
+ insn->sec, insn->offset);
+ return 1;
+ }
+
if (state->uaccess && !func_uaccess_safe(func)) {
WARN_FUNC("return with UACCESS enabled",
insn->sec, insn->offset);
@@ -1998,13 +2229,13 @@ static int validate_return(struct symbol *func, struct instruction *insn, struct
return 1;
}
- if (func && has_modified_stack_frame(state)) {
+ if (func && has_modified_stack_frame(insn, state)) {
WARN_FUNC("return with modified stack frame",
insn->sec, insn->offset);
return 1;
}
- if (state->bp_scratch) {
+ if (state->cfi.bp_scratch) {
WARN_FUNC("BP used as a scratch register",
insn->sec, insn->offset);
return 1;
@@ -2014,29 +2245,46 @@ static int validate_return(struct symbol *func, struct instruction *insn, struct
}
/*
+ * Alternatives should not contain any ORC entries, this in turn means they
+ * should not contain any CFI ops, which implies all instructions should have
+ * the same same CFI state.
+ *
+ * It is possible to constuct alternatives that have unreachable holes that go
+ * unreported (because they're NOPs), such holes would result in CFI_UNDEFINED
+ * states which then results in ORC entries, which we just said we didn't want.
+ *
+ * Avoid them by copying the CFI entry of the first instruction into the whole
+ * alternative.
+ */
+static void fill_alternative_cfi(struct objtool_file *file, struct instruction *insn)
+{
+ struct instruction *first_insn = insn;
+ int alt_group = insn->alt_group;
+
+ sec_for_each_insn_continue(file, insn) {
+ if (insn->alt_group != alt_group)
+ break;
+ insn->cfi = first_insn->cfi;
+ }
+}
+
+/*
* Follow the branch starting at the given instruction, and recursively follow
* any other branches (jumps). Meanwhile, track the frame pointer state at
* each instruction and validate all the rules described in
* tools/objtool/Documentation/stack-validation.txt.
*/
static int validate_branch(struct objtool_file *file, struct symbol *func,
- struct instruction *first, struct insn_state state)
+ struct instruction *insn, struct insn_state state)
{
struct alternative *alt;
- struct instruction *insn, *next_insn;
+ struct instruction *next_insn;
struct section *sec;
u8 visited;
int ret;
- insn = first;
sec = insn->sec;
- if (insn->alt_group && list_empty(&insn->alts)) {
- WARN_FUNC("don't know how to handle branch to middle of alternative instruction group",
- sec, insn->offset);
- return 1;
- }
-
while (1) {
next_insn = next_insn_same_sec(file, insn);
@@ -2054,59 +2302,24 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
visited = 1 << state.uaccess;
if (insn->visited) {
- if (!insn->hint && !insn_state_match(insn, &state))
+ if (!insn->hint && !insn_cfi_match(insn, &state.cfi))
return 1;
if (insn->visited & visited)
return 0;
}
- if (insn->hint) {
- if (insn->restore) {
- struct instruction *save_insn, *i;
-
- i = insn;
- save_insn = NULL;
- sym_for_each_insn_continue_reverse(file, func, i) {
- if (i->save) {
- save_insn = i;
- break;
- }
- }
-
- if (!save_insn) {
- WARN_FUNC("no corresponding CFI save for CFI restore",
- sec, insn->offset);
- return 1;
- }
-
- if (!save_insn->visited) {
- /*
- * Oops, no state to copy yet.
- * Hopefully we can reach this
- * instruction from another branch
- * after the save insn has been
- * visited.
- */
- if (insn == first)
- return 0;
-
- WARN_FUNC("objtool isn't smart enough to handle this CFI save/restore combo",
- sec, insn->offset);
- return 1;
- }
-
- insn->state = save_insn->state;
- }
-
- state = insn->state;
+ if (state.noinstr)
+ state.instr += insn->instr;
- } else
- insn->state = state;
+ if (insn->hint)
+ state.cfi = insn->cfi;
+ else
+ insn->cfi = state.cfi;
insn->visited |= visited;
- if (!insn->ignore_alts) {
+ if (!insn->ignore_alts && !list_empty(&insn->alts)) {
bool skip_orig = false;
list_for_each_entry(alt, &insn->alts, list) {
@@ -2121,10 +2334,16 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
}
}
+ if (insn->alt_group)
+ fill_alternative_cfi(file, insn);
+
if (skip_orig)
return 0;
}
+ if (handle_insn_ops(insn, &state))
+ return 1;
+
switch (insn->type) {
case INSN_RETURN:
@@ -2191,32 +2410,6 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
}
return 0;
- case INSN_STACK:
- if (update_insn_state(insn, &state))
- return 1;
-
- if (insn->stack_op.dest.type == OP_DEST_PUSHF) {
- if (!state.uaccess_stack) {
- state.uaccess_stack = 1;
- } else if (state.uaccess_stack >> 31) {
- WARN_FUNC("PUSHF stack exhausted", sec, insn->offset);
- return 1;
- }
- state.uaccess_stack <<= 1;
- state.uaccess_stack |= state.uaccess;
- }
-
- if (insn->stack_op.src.type == OP_SRC_POPF) {
- if (state.uaccess_stack) {
- state.uaccess = state.uaccess_stack & 1;
- state.uaccess_stack >>= 1;
- if (state.uaccess_stack == 1)
- state.uaccess_stack = 0;
- }
- }
-
- break;
-
case INSN_STAC:
if (state.uaccess) {
WARN_FUNC("recursive UACCESS enable", sec, insn->offset);
@@ -2262,7 +2455,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
return 0;
if (!next_insn) {
- if (state.cfa.base == CFI_UNDEFINED)
+ if (state.cfi.cfa.base == CFI_UNDEFINED)
return 0;
WARN("%s: unexpected end of section", sec->name);
return 1;
@@ -2274,24 +2467,34 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
return 0;
}
-static int validate_unwind_hints(struct objtool_file *file)
+static int validate_unwind_hints(struct objtool_file *file, struct section *sec)
{
struct instruction *insn;
- int ret, warnings = 0;
struct insn_state state;
+ int ret, warnings = 0;
if (!file->hints)
return 0;
- clear_insn_state(&state);
+ init_insn_state(&state, sec);
- for_each_insn(file, insn) {
+ if (sec) {
+ insn = find_insn(file, sec, 0);
+ if (!insn)
+ return 0;
+ } else {
+ insn = list_first_entry(&file->insn_list, typeof(*insn), list);
+ }
+
+ while (&insn->list != &file->insn_list && (!sec || insn->sec == sec)) {
if (insn->hint && !insn->visited) {
ret = validate_branch(file, insn->func, insn, state);
if (ret && backtrace)
BT_FUNC("<=== (hint)", insn);
warnings += ret;
}
+
+ insn = list_next_entry(insn, list);
}
return warnings;
@@ -2406,43 +2609,69 @@ static bool ignore_unreachable_insn(struct instruction *insn)
return false;
}
-static int validate_section(struct objtool_file *file, struct section *sec)
+static int validate_symbol(struct objtool_file *file, struct section *sec,
+ struct symbol *sym, struct insn_state *state)
{
- struct symbol *func;
struct instruction *insn;
- struct insn_state state;
- int ret, warnings = 0;
+ int ret;
+
+ if (!sym->len) {
+ WARN("%s() is missing an ELF size annotation", sym->name);
+ return 1;
+ }
+
+ if (sym->pfunc != sym || sym->alias != sym)
+ return 0;
- clear_insn_state(&state);
+ insn = find_insn(file, sec, sym->offset);
+ if (!insn || insn->ignore || insn->visited)
+ return 0;
+
+ state->uaccess = sym->uaccess_safe;
- state.cfa = initial_func_cfi.cfa;
- memcpy(&state.regs, &initial_func_cfi.regs,
- CFI_NUM_REGS * sizeof(struct cfi_reg));
- state.stack_size = initial_func_cfi.cfa.offset;
+ ret = validate_branch(file, insn->func, insn, *state);
+ if (ret && backtrace)
+ BT_FUNC("<=== (sym)", insn);
+ return ret;
+}
+
+static int validate_section(struct objtool_file *file, struct section *sec)
+{
+ struct insn_state state;
+ struct symbol *func;
+ int warnings = 0;
list_for_each_entry(func, &sec->symbol_list, list) {
if (func->type != STT_FUNC)
continue;
- if (!func->len) {
- WARN("%s() is missing an ELF size annotation",
- func->name);
- warnings++;
- }
+ init_insn_state(&state, sec);
+ state.cfi.cfa = initial_func_cfi.cfa;
+ memcpy(&state.cfi.regs, &initial_func_cfi.regs,
+ CFI_NUM_REGS * sizeof(struct cfi_reg));
+ state.cfi.stack_size = initial_func_cfi.cfa.offset;
- if (func->pfunc != func || func->alias != func)
- continue;
+ warnings += validate_symbol(file, sec, func, &state);
+ }
- insn = find_insn(file, sec, func->offset);
- if (!insn || insn->ignore || insn->visited)
- continue;
+ return warnings;
+}
- state.uaccess = func->uaccess_safe;
+static int validate_vmlinux_functions(struct objtool_file *file)
+{
+ struct section *sec;
+ int warnings = 0;
- ret = validate_branch(file, func, insn, state);
- if (ret && backtrace)
- BT_FUNC("<=== (func)", insn);
- warnings += ret;
+ sec = find_section_by_name(file->elf, ".noinstr.text");
+ if (sec) {
+ warnings += validate_section(file, sec);
+ warnings += validate_unwind_hints(file, sec);
+ }
+
+ sec = find_section_by_name(file->elf, ".entry.text");
+ if (sec) {
+ warnings += validate_section(file, sec);
+ warnings += validate_unwind_hints(file, sec);
}
return warnings;
@@ -2453,8 +2682,12 @@ static int validate_functions(struct objtool_file *file)
struct section *sec;
int warnings = 0;
- for_each_sec(file, sec)
+ for_each_sec(file, sec) {
+ if (!(sec->sh.sh_flags & SHF_EXECINSTR))
+ continue;
+
warnings += validate_section(file, sec);
+ }
return warnings;
}
@@ -2485,7 +2718,7 @@ int check(const char *_objname, bool orc)
objname = _objname;
- file.elf = elf_read(objname, orc ? O_RDWR : O_RDONLY);
+ file.elf = elf_open_read(objname, orc ? O_RDWR : O_RDONLY);
if (!file.elf)
return 1;
@@ -2505,6 +2738,15 @@ int check(const char *_objname, bool orc)
if (list_empty(&file.insn_list))
goto out;
+ if (vmlinux && !validate_dup) {
+ ret = validate_vmlinux_functions(&file);
+ if (ret < 0)
+ goto out;
+
+ warnings += ret;
+ goto out;
+ }
+
if (retpoline) {
ret = validate_retpoline(&file);
if (ret < 0)
@@ -2517,7 +2759,7 @@ int check(const char *_objname, bool orc)
goto out;
warnings += ret;
- ret = validate_unwind_hints(&file);
+ ret = validate_unwind_hints(&file, NULL);
if (ret < 0)
goto out;
warnings += ret;
diff --git a/tools/objtool/check.h b/tools/objtool/check.h
index f0ce8ffe7135..906b5210f7ca 100644
--- a/tools/objtool/check.h
+++ b/tools/objtool/check.h
@@ -7,22 +7,16 @@
#define _CHECK_H
#include <stdbool.h>
-#include "elf.h"
#include "cfi.h"
#include "arch.h"
-#include "orc.h"
-#include <linux/hashtable.h>
struct insn_state {
- struct cfi_reg cfa;
- struct cfi_reg regs[CFI_NUM_REGS];
- int stack_size;
- unsigned char type;
- bool bp_scratch;
- bool drap, end, uaccess, df;
+ struct cfi_state cfi;
unsigned int uaccess_stack;
- int drap_reg, drap_offset;
- struct cfi_reg vals[CFI_NUM_REGS];
+ bool uaccess;
+ bool df;
+ bool noinstr;
+ s8 instr;
};
struct instruction {
@@ -33,29 +27,24 @@ struct instruction {
unsigned int len;
enum insn_type type;
unsigned long immediate;
- bool alt_group, dead_end, ignore, hint, save, restore, ignore_alts;
+ bool dead_end, ignore, ignore_alts;
+ bool hint;
bool retpoline_safe;
+ s8 instr;
u8 visited;
+ u8 ret_offset;
+ int alt_group;
struct symbol *call_dest;
struct instruction *jump_dest;
struct instruction *first_jump_src;
struct rela *jump_table;
struct list_head alts;
struct symbol *func;
- struct stack_op stack_op;
- struct insn_state state;
+ struct list_head stack_ops;
+ struct cfi_state cfi;
struct orc_entry orc;
};
-struct objtool_file {
- struct elf *elf;
- struct list_head insn_list;
- DECLARE_HASHTABLE(insn_hash, 20);
- bool ignore_unreachables, c_file, hints, rodata;
-};
-
-int check(const char *objname, bool orc);
-
struct instruction *find_insn(struct objtool_file *file,
struct section *sec, unsigned long offset);
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index 09ddc8f1def3..84225679f96d 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -27,6 +27,22 @@ static inline u32 str_hash(const char *str)
return jhash(str, strlen(str), 0);
}
+static inline int elf_hash_bits(void)
+{
+ return vmlinux ? ELF_HASH_BITS : 16;
+}
+
+#define elf_hash_add(hashtable, node, key) \
+ hlist_add_head(node, &hashtable[hash_min(key, elf_hash_bits())])
+
+static void elf_hash_init(struct hlist_head *table)
+{
+ __hash_init(table, 1U << elf_hash_bits());
+}
+
+#define elf_hash_for_each_possible(name, obj, member, key) \
+ hlist_for_each_entry(obj, &name[hash_min(key, elf_hash_bits())], member)
+
static void rb_add(struct rb_root *tree, struct rb_node *node,
int (*cmp)(struct rb_node *, const struct rb_node *))
{
@@ -45,7 +61,7 @@ static void rb_add(struct rb_root *tree, struct rb_node *node,
rb_insert_color(node, tree);
}
-static struct rb_node *rb_find_first(struct rb_root *tree, const void *key,
+static struct rb_node *rb_find_first(const struct rb_root *tree, const void *key,
int (*cmp)(const void *key, const struct rb_node *))
{
struct rb_node *node = tree->rb_node;
@@ -105,17 +121,17 @@ static int symbol_by_offset(const void *key, const struct rb_node *node)
if (*o < s->offset)
return -1;
- if (*o > s->offset + s->len)
+ if (*o >= s->offset + s->len)
return 1;
return 0;
}
-struct section *find_section_by_name(struct elf *elf, const char *name)
+struct section *find_section_by_name(const struct elf *elf, const char *name)
{
struct section *sec;
- hash_for_each_possible(elf->section_name_hash, sec, name_hash, str_hash(name))
+ elf_hash_for_each_possible(elf->section_name_hash, sec, name_hash, str_hash(name))
if (!strcmp(sec->name, name))
return sec;
@@ -127,7 +143,7 @@ static struct section *find_section_by_index(struct elf *elf,
{
struct section *sec;
- hash_for_each_possible(elf->section_hash, sec, hash, idx)
+ elf_hash_for_each_possible(elf->section_hash, sec, hash, idx)
if (sec->idx == idx)
return sec;
@@ -138,7 +154,7 @@ static struct symbol *find_symbol_by_index(struct elf *elf, unsigned int idx)
{
struct symbol *sym;
- hash_for_each_possible(elf->symbol_hash, sym, hash, idx)
+ elf_hash_for_each_possible(elf->symbol_hash, sym, hash, idx)
if (sym->idx == idx)
return sym;
@@ -173,7 +189,7 @@ struct symbol *find_func_by_offset(struct section *sec, unsigned long offset)
return NULL;
}
-struct symbol *find_symbol_containing(struct section *sec, unsigned long offset)
+struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset)
{
struct rb_node *node;
@@ -201,18 +217,18 @@ struct symbol *find_func_containing(struct section *sec, unsigned long offset)
return NULL;
}
-struct symbol *find_symbol_by_name(struct elf *elf, const char *name)
+struct symbol *find_symbol_by_name(const struct elf *elf, const char *name)
{
struct symbol *sym;
- hash_for_each_possible(elf->symbol_name_hash, sym, name_hash, str_hash(name))
+ elf_hash_for_each_possible(elf->symbol_name_hash, sym, name_hash, str_hash(name))
if (!strcmp(sym->name, name))
return sym;
return NULL;
}
-struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec,
+struct rela *find_rela_by_dest_range(const struct elf *elf, struct section *sec,
unsigned long offset, unsigned int len)
{
struct rela *rela, *r = NULL;
@@ -224,7 +240,7 @@ struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec,
sec = sec->rela;
for_offset_range(o, offset, offset + len) {
- hash_for_each_possible(elf->rela_hash, rela, hash,
+ elf_hash_for_each_possible(elf->rela_hash, rela, hash,
sec_offset_hash(sec, o)) {
if (rela->sec != sec)
continue;
@@ -241,7 +257,7 @@ struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec,
return NULL;
}
-struct rela *find_rela_by_dest(struct elf *elf, struct section *sec, unsigned long offset)
+struct rela *find_rela_by_dest(const struct elf *elf, struct section *sec, unsigned long offset)
{
return find_rela_by_dest_range(elf, sec, offset, 1);
}
@@ -309,8 +325,8 @@ static int read_sections(struct elf *elf)
sec->len = sec->sh.sh_size;
list_add_tail(&sec->list, &elf->sections);
- hash_add(elf->section_hash, &sec->hash, sec->idx);
- hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
+ elf_hash_add(elf->section_hash, &sec->hash, sec->idx);
+ elf_hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
}
if (stats)
@@ -327,12 +343,14 @@ static int read_sections(struct elf *elf)
static int read_symbols(struct elf *elf)
{
- struct section *symtab, *sec;
+ struct section *symtab, *symtab_shndx, *sec;
struct symbol *sym, *pfunc;
struct list_head *entry;
struct rb_node *pnode;
int symbols_nr, i;
char *coldstr;
+ Elf_Data *shndx_data = NULL;
+ Elf32_Word shndx;
symtab = find_section_by_name(elf, ".symtab");
if (!symtab) {
@@ -340,6 +358,10 @@ static int read_symbols(struct elf *elf)
return -1;
}
+ symtab_shndx = find_section_by_name(elf, ".symtab_shndx");
+ if (symtab_shndx)
+ shndx_data = symtab_shndx->data;
+
symbols_nr = symtab->sh.sh_size / symtab->sh.sh_entsize;
for (i = 0; i < symbols_nr; i++) {
@@ -353,8 +375,9 @@ static int read_symbols(struct elf *elf)
sym->idx = i;
- if (!gelf_getsym(symtab->data, i, &sym->sym)) {
- WARN_ELF("gelf_getsym");
+ if (!gelf_getsymshndx(symtab->data, shndx_data, i, &sym->sym,
+ &shndx)) {
+ WARN_ELF("gelf_getsymshndx");
goto err;
}
@@ -368,10 +391,13 @@ static int read_symbols(struct elf *elf)
sym->type = GELF_ST_TYPE(sym->sym.st_info);
sym->bind = GELF_ST_BIND(sym->sym.st_info);
- if (sym->sym.st_shndx > SHN_UNDEF &&
- sym->sym.st_shndx < SHN_LORESERVE) {
- sym->sec = find_section_by_index(elf,
- sym->sym.st_shndx);
+ if ((sym->sym.st_shndx > SHN_UNDEF &&
+ sym->sym.st_shndx < SHN_LORESERVE) ||
+ (shndx_data && sym->sym.st_shndx == SHN_XINDEX)) {
+ if (sym->sym.st_shndx != SHN_XINDEX)
+ shndx = sym->sym.st_shndx;
+
+ sym->sec = find_section_by_index(elf, shndx);
if (!sym->sec) {
WARN("couldn't find section for symbol %s",
sym->name);
@@ -394,8 +420,8 @@ static int read_symbols(struct elf *elf)
else
entry = &sym->sec->symbol_list;
list_add(&sym->list, entry);
- hash_add(elf->symbol_hash, &sym->hash, sym->idx);
- hash_add(elf->symbol_name_hash, &sym->name_hash, str_hash(sym->name));
+ elf_hash_add(elf->symbol_hash, &sym->hash, sym->idx);
+ elf_hash_add(elf->symbol_name_hash, &sym->name_hash, str_hash(sym->name));
}
if (stats)
@@ -456,6 +482,14 @@ err:
return -1;
}
+void elf_add_rela(struct elf *elf, struct rela *rela)
+{
+ struct section *sec = rela->sec;
+
+ list_add_tail(&rela->list, &sec->rela_list);
+ elf_hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+}
+
static int read_relas(struct elf *elf)
{
struct section *sec;
@@ -503,8 +537,7 @@ static int read_relas(struct elf *elf)
return -1;
}
- list_add_tail(&rela->list, &sec->rela_list);
- hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+ elf_add_rela(elf, rela);
nr_rela++;
}
max_rela = max(max_rela, nr_rela);
@@ -519,7 +552,7 @@ static int read_relas(struct elf *elf)
return 0;
}
-struct elf *elf_read(const char *name, int flags)
+struct elf *elf_open_read(const char *name, int flags)
{
struct elf *elf;
Elf_Cmd cmd;
@@ -531,15 +564,16 @@ struct elf *elf_read(const char *name, int flags)
perror("malloc");
return NULL;
}
- memset(elf, 0, sizeof(*elf));
+ memset(elf, 0, offsetof(struct elf, sections));
- hash_init(elf->symbol_hash);
- hash_init(elf->symbol_name_hash);
- hash_init(elf->section_hash);
- hash_init(elf->section_name_hash);
- hash_init(elf->rela_hash);
INIT_LIST_HEAD(&elf->sections);
+ elf_hash_init(elf->symbol_hash);
+ elf_hash_init(elf->symbol_name_hash);
+ elf_hash_init(elf->section_hash);
+ elf_hash_init(elf->section_name_hash);
+ elf_hash_init(elf->rela_hash);
+
elf->fd = open(name, flags);
if (elf->fd == -1) {
fprintf(stderr, "objtool: Can't open '%s': %s\n",
@@ -676,8 +710,8 @@ struct section *elf_create_section(struct elf *elf, const char *name,
shstrtab->changed = true;
list_add_tail(&sec->list, &elf->sections);
- hash_add(elf->section_hash, &sec->hash, sec->idx);
- hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
+ elf_hash_add(elf->section_hash, &sec->hash, sec->idx);
+ elf_hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name));
return sec;
}
@@ -745,7 +779,7 @@ int elf_rebuild_rela_section(struct section *sec)
return 0;
}
-int elf_write(struct elf *elf)
+int elf_write(const struct elf *elf)
{
struct section *sec;
Elf_Scn *s;
diff --git a/tools/objtool/elf.h b/tools/objtool/elf.h
index ebbb10c61e24..f4fe1d6ea392 100644
--- a/tools/objtool/elf.h
+++ b/tools/objtool/elf.h
@@ -39,7 +39,7 @@ struct section {
char *name;
int idx;
unsigned int len;
- bool changed, text, rodata;
+ bool changed, text, rodata, noinstr;
};
struct symbol {
@@ -70,26 +70,29 @@ struct rela {
bool jump_table_start;
};
+#define ELF_HASH_BITS 20
+
struct elf {
Elf *elf;
GElf_Ehdr ehdr;
int fd;
char *name;
struct list_head sections;
- DECLARE_HASHTABLE(symbol_hash, 20);
- DECLARE_HASHTABLE(symbol_name_hash, 20);
- DECLARE_HASHTABLE(section_hash, 16);
- DECLARE_HASHTABLE(section_name_hash, 16);
- DECLARE_HASHTABLE(rela_hash, 20);
+ DECLARE_HASHTABLE(symbol_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(symbol_name_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(section_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(section_name_hash, ELF_HASH_BITS);
+ DECLARE_HASHTABLE(rela_hash, ELF_HASH_BITS);
};
#define OFFSET_STRIDE_BITS 4
#define OFFSET_STRIDE (1UL << OFFSET_STRIDE_BITS)
#define OFFSET_STRIDE_MASK (~(OFFSET_STRIDE - 1))
-#define for_offset_range(_offset, _start, _end) \
- for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
- _offset <= ((_end) & OFFSET_STRIDE_MASK); \
+#define for_offset_range(_offset, _start, _end) \
+ for (_offset = ((_start) & OFFSET_STRIDE_MASK); \
+ _offset >= ((_start) & OFFSET_STRIDE_MASK) && \
+ _offset <= ((_end) & OFFSET_STRIDE_MASK); \
_offset += OFFSET_STRIDE)
static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)
@@ -99,7 +102,7 @@ static inline u32 sec_offset_hash(struct section *sec, unsigned long offset)
offset &= OFFSET_STRIDE_MASK;
ol = offset;
- oh = offset >> 32;
+ oh = (offset >> 16) >> 16;
__jhash_mix(ol, oh, idx);
@@ -111,22 +114,23 @@ static inline u32 rela_hash(struct rela *rela)
return sec_offset_hash(rela->sec, rela->offset);
}
-struct elf *elf_read(const char *name, int flags);
-struct section *find_section_by_name(struct elf *elf, const char *name);
+struct elf *elf_open_read(const char *name, int flags);
+struct section *elf_create_section(struct elf *elf, const char *name, size_t entsize, int nr);
+struct section *elf_create_rela_section(struct elf *elf, struct section *base);
+void elf_add_rela(struct elf *elf, struct rela *rela);
+int elf_write(const struct elf *elf);
+void elf_close(struct elf *elf);
+
+struct section *find_section_by_name(const struct elf *elf, const char *name);
struct symbol *find_func_by_offset(struct section *sec, unsigned long offset);
struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset);
-struct symbol *find_symbol_by_name(struct elf *elf, const char *name);
-struct symbol *find_symbol_containing(struct section *sec, unsigned long offset);
-struct rela *find_rela_by_dest(struct elf *elf, struct section *sec, unsigned long offset);
-struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec,
+struct symbol *find_symbol_by_name(const struct elf *elf, const char *name);
+struct symbol *find_symbol_containing(const struct section *sec, unsigned long offset);
+struct rela *find_rela_by_dest(const struct elf *elf, struct section *sec, unsigned long offset);
+struct rela *find_rela_by_dest_range(const struct elf *elf, struct section *sec,
unsigned long offset, unsigned int len);
struct symbol *find_func_containing(struct section *sec, unsigned long offset);
-struct section *elf_create_section(struct elf *elf, const char *name, size_t
- entsize, int nr);
-struct section *elf_create_rela_section(struct elf *elf, struct section *base);
int elf_rebuild_rela_section(struct section *sec);
-int elf_write(struct elf *elf);
-void elf_close(struct elf *elf);
#define for_each_sec(file, sec) \
list_for_each_entry(sec, &file->elf->sections, list)
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c
index 0b3528f05053..58fdda510653 100644
--- a/tools/objtool/objtool.c
+++ b/tools/objtool/objtool.c
@@ -58,7 +58,9 @@ static void cmd_usage(void)
printf("\n");
- exit(129);
+ if (!help)
+ exit(129);
+ exit(0);
}
static void handle_options(int *argc, const char ***argv)
diff --git a/tools/objtool/objtool.h b/tools/objtool/objtool.h
new file mode 100644
index 000000000000..528028a66816
--- /dev/null
+++ b/tools/objtool/objtool.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
+ */
+
+#ifndef _OBJTOOL_H
+#define _OBJTOOL_H
+
+#include <stdbool.h>
+#include <linux/list.h>
+#include <linux/hashtable.h>
+
+#include "elf.h"
+
+struct objtool_file {
+ struct elf *elf;
+ struct list_head insn_list;
+ DECLARE_HASHTABLE(insn_hash, 20);
+ bool ignore_unreachables, c_file, hints, rodata;
+};
+
+int check(const char *objname, bool orc);
+int orc_dump(const char *objname);
+int create_orc(struct objtool_file *file);
+int create_orc_sections(struct objtool_file *file);
+
+#endif /* _OBJTOOL_H */
diff --git a/tools/objtool/orc.h b/tools/objtool/orc.h
deleted file mode 100644
index ee2832221e62..000000000000
--- a/tools/objtool/orc.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2017 Josh Poimboeuf <jpoimboe@redhat.com>
- */
-
-#ifndef _ORC_H
-#define _ORC_H
-
-#include <asm/orc_types.h>
-
-struct objtool_file;
-
-int create_orc(struct objtool_file *file);
-int create_orc_sections(struct objtool_file *file);
-
-int orc_dump(const char *objname);
-
-#endif /* _ORC_H */
diff --git a/tools/objtool/orc_dump.c b/tools/objtool/orc_dump.c
index ba4cbb1cdd63..fca46e006fc2 100644
--- a/tools/objtool/orc_dump.c
+++ b/tools/objtool/orc_dump.c
@@ -4,7 +4,8 @@
*/
#include <unistd.h>
-#include "orc.h"
+#include <asm/orc_types.h>
+#include "objtool.h"
#include "warn.h"
static const char *reg_name(unsigned int reg)
diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c
index 4c0dabd28000..c9549988121a 100644
--- a/tools/objtool/orc_gen.c
+++ b/tools/objtool/orc_gen.c
@@ -6,7 +6,6 @@
#include <stdlib.h>
#include <string.h>
-#include "orc.h"
#include "check.h"
#include "warn.h"
@@ -16,10 +15,10 @@ int create_orc(struct objtool_file *file)
for_each_insn(file, insn) {
struct orc_entry *orc = &insn->orc;
- struct cfi_reg *cfa = &insn->state.cfa;
- struct cfi_reg *bp = &insn->state.regs[CFI_BP];
+ struct cfi_reg *cfa = &insn->cfi.cfa;
+ struct cfi_reg *bp = &insn->cfi.regs[CFI_BP];
- orc->end = insn->state.end;
+ orc->end = insn->cfi.end;
if (cfa->base == CFI_UNDEFINED) {
orc->sp_reg = ORC_REG_UNDEFINED;
@@ -75,7 +74,7 @@ int create_orc(struct objtool_file *file)
orc->sp_offset = cfa->offset;
orc->bp_offset = bp->offset;
- orc->type = insn->state.type;
+ orc->type = insn->cfi.type;
}
return 0;
@@ -130,8 +129,7 @@ static int create_orc_entry(struct elf *elf, struct section *u_sec, struct secti
rela->offset = idx * sizeof(int);
rela->sec = ip_relasec;
- list_add_tail(&rela->list, &ip_relasec->rela_list);
- hash_add(elf->rela_hash, &rela->hash, rela_hash(rela));
+ elf_add_rela(elf, rela);
return 0;
}
diff --git a/tools/objtool/weak.c b/tools/objtool/weak.c
new file mode 100644
index 000000000000..942ea5e8ac36
--- /dev/null
+++ b/tools/objtool/weak.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2020 Matt Helsley <mhelsley@vmware.com>
+ * Weak definitions necessary to compile objtool without
+ * some subcommands (e.g. check, orc).
+ */
+
+#include <stdbool.h>
+#include <errno.h>
+#include "objtool.h"
+
+#define __weak __attribute__((weak))
+
+#define UNSUPPORTED(name) \
+({ \
+ fprintf(stderr, "error: objtool: " name " not implemented\n"); \
+ return ENOSYS; \
+})
+
+const char __weak *objname;
+
+int __weak check(const char *_objname, bool orc)
+{
+ UNSUPPORTED("check subcommand");
+}
+
+int __weak orc_dump(const char *_objname)
+{
+ UNSUPPORTED("orc");
+}
+
+int __weak create_orc(struct objtool_file *file)
+{
+ UNSUPPORTED("orc");
+}
+
+int __weak create_orc_sections(struct objtool_file *file)
+{
+ UNSUPPORTED("orc");
+}
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index 31824d5269cc..6e54979c2124 100644
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -48,7 +48,7 @@ man5dir=$(mandir)/man5
man7dir=$(mandir)/man7
ASCIIDOC=asciidoc
-ASCIIDOC_EXTRA = --unsafe -f asciidoc.conf
+ASCIIDOC_EXTRA += --unsafe -f asciidoc.conf
ASCIIDOC_HTML = xhtml11
MANPAGE_XSL = manpage-normal.xsl
XMLTO_EXTRA =
@@ -59,7 +59,7 @@ HTML_REF = origin/html
ifdef USE_ASCIIDOCTOR
ASCIIDOC = asciidoctor
-ASCIIDOC_EXTRA = -a compat-mode
+ASCIIDOC_EXTRA += -a compat-mode
ASCIIDOC_EXTRA += -I. -rasciidoctor-extensions
ASCIIDOC_EXTRA += -a mansource="perf" -a manmanual="perf Manual"
ASCIIDOC_HTML = xhtml5
diff --git a/tools/perf/Documentation/itrace.txt b/tools/perf/Documentation/itrace.txt
index 82ff7dad40c2..271484754fee 100644
--- a/tools/perf/Documentation/itrace.txt
+++ b/tools/perf/Documentation/itrace.txt
@@ -10,7 +10,9 @@
e synthesize error events
d create a debug log
g synthesize a call chain (use with i or x)
+ G synthesize a call chain on existing event records
l synthesize last branch entries (use with i or x)
+ L synthesize last branch entries on existing event records
s skip initial number of events
The default is all events i.e. the same as --itrace=ibxwpe,
@@ -31,6 +33,10 @@
Also the number of last branch entries (default 64, max. 1024) for
instructions or transactions events can be specified.
+ Similar to options g and l, size may also be specified for options G and L.
+ On x86, note that G and L work poorly when data has been recorded with
+ large PEBS. Refer linkperf:perf-intel-pt[1] man page for details.
+
It is also possible to skip events generated (instructions, branches, transactions,
ptwrite, power) at the beginning. This is useful to ignore initialization code.
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index 0921a3c67381..bad16512c48d 100644
--- a/tools/perf/Documentation/perf-bench.txt
+++ b/tools/perf/Documentation/perf-bench.txt
@@ -61,6 +61,9 @@ SUBSYSTEM
'epoll'::
Eventpoll (epoll) stressing benchmarks.
+'internals'::
+ Benchmark internal perf functionality.
+
'all'::
All benchmark subsystems.
@@ -214,6 +217,11 @@ Suite for evaluating concurrent epoll_wait calls.
*ctl*::
Suite for evaluating multiple epoll_ctl calls.
+SUITES FOR 'internals'
+~~~~~~~~~~~~~~~~~~~~~~
+*synthesize*::
+Suite for evaluating perf's event synthesis performance.
+
SEE ALSO
--------
linkperf:perf[1]
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index e6150f21267d..2133eb320cb0 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -111,6 +111,17 @@ REPORT OPTIONS
--display::
Switch to HITM type (rmt, lcl) to display and sort on. Total HITMs as default.
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf c2c record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not full proof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
C2C RECORD
----------
The perf c2c record command setup options related to HITM cacheline analysis
diff --git a/tools/perf/Documentation/perf-intel-pt.txt b/tools/perf/Documentation/perf-intel-pt.txt
index 456fdcbf26ac..eb8b7d42591a 100644
--- a/tools/perf/Documentation/perf-intel-pt.txt
+++ b/tools/perf/Documentation/perf-intel-pt.txt
@@ -69,22 +69,22 @@ And profiled with 'perf report' e.g.
To also trace kernel space presents a problem, namely kernel self-modifying
code. A fairly good kernel image is available in /proc/kcore but to get an
accurate image a copy of /proc/kcore needs to be made under the same conditions
-as the data capture. A script perf-with-kcore can do that, but beware that the
-script makes use of 'sudo' to copy /proc/kcore. If you have perf installed
-locally from the source tree you can do:
+as the data capture. 'perf record' can make a copy of /proc/kcore if the option
+--kcore is used, but access to /proc/kcore is restricted e.g.
- ~/libexec/perf-core/perf-with-kcore record pt_ls -e intel_pt// -- ls
+ sudo perf record -o pt_ls --kcore -e intel_pt// -- ls
-which will create a directory named 'pt_ls' and put the perf.data file and
-copies of /proc/kcore, /proc/kallsyms and /proc/modules into it. Then to use
-'perf report' becomes:
+which will create a directory named 'pt_ls' and put the perf.data file (named
+simply 'data') and copies of /proc/kcore, /proc/kallsyms and /proc/modules into
+it. The other tools understand the directory format, so to use 'perf report'
+becomes:
- ~/libexec/perf-core/perf-with-kcore report pt_ls
+ sudo perf report -i pt_ls
Because samples are synthesized after-the-fact, the sampling period can be
selected for reporting. e.g. sample every microsecond
- ~/libexec/perf-core/perf-with-kcore report pt_ls --itrace=i1usge
+ sudo perf report pt_ls --itrace=i1usge
See the sections below for more information about the --itrace option.
@@ -821,7 +821,9 @@ The letters are:
e synthesize tracing error events
d create a debug log
g synthesize a call chain (use with i or x)
+ G synthesize a call chain on existing event records
l synthesize last branch entries (use with i or x)
+ L synthesize last branch entries on existing event records
s skip initial number of events
"Instructions" events look like they were recorded by "perf record -e
@@ -912,6 +914,39 @@ transactions events can be specified. e.g.
Note that last branch entries are cleared for each sample, so there is no overlap
from one sample to the next.
+The G and L options are designed in particular for sample mode, and work much
+like g and l but add call chain and branch stack to the other selected events
+instead of synthesized events. For example, to record branch-misses events for
+'ls' and then add a call chain derived from the Intel PT trace:
+
+ perf record --aux-sample -e '{intel_pt//u,branch-misses:u}' -- ls
+ perf report --itrace=Ge
+
+Although in fact G is a default for perf report, so that is the same as just:
+
+ perf report
+
+One caveat with the G and L options is that they work poorly with "Large PEBS".
+Large PEBS means PEBS records will be accumulated by hardware and the written
+into the event buffer in one go. That reduces interrupts, but can give very
+late timestamps. Because the Intel PT trace is synchronized by timestamps,
+the PEBS events do not match the trace. Currently, Large PEBS is used only in
+certain circumstances:
+ - hardware supports it
+ - PEBS is used
+ - event period is specified, instead of frequency
+ - the sample type is limited to the following flags:
+ PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_ADDR |
+ PERF_SAMPLE_ID | PERF_SAMPLE_CPU | PERF_SAMPLE_STREAM_ID |
+ PERF_SAMPLE_DATA_SRC | PERF_SAMPLE_IDENTIFIER |
+ PERF_SAMPLE_TRANSACTION | PERF_SAMPLE_PHYS_ADDR |
+ PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_REGS_USER |
+ PERF_SAMPLE_PERIOD (and sometimes) | PERF_SAMPLE_TIME
+Because Intel PT sample mode uses a different sample type to the list above,
+Large PEBS is not used with Intel PT sample mode. To avoid Large PEBS in other
+cases, avoid specifying the event period i.e. avoid the 'perf record' -c option,
+--count option, or 'period' config term.
+
To disable trace decoding entirely, use the option --no-itrace.
It is also possible to skip events generated (instructions, branches, transactions)
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt
index 6345db33c533..376a50b3452d 100644
--- a/tools/perf/Documentation/perf-list.txt
+++ b/tools/perf/Documentation/perf-list.txt
@@ -115,6 +115,11 @@ raw encoding of 0x1A8 can be used:
perf stat -e r1a8 -a sleep 1
perf record -e r1a8 ...
+It's also possible to use pmu syntax:
+
+ perf record -e r1a8 -a sleep 1
+ perf record -e cpu/r1a8/ ...
+
You should refer to the processor specific documentation for getting these
details. Some of them are referenced in the SEE ALSO section below.
@@ -258,6 +263,9 @@ Normally all events in an event group sample, but with :S only
the first event (the leader) samples, and it only reads the values of the
other events in the group.
+However, in the case AUX area events (e.g. Intel PT or CoreSight), the AUX
+area event must be the leader, so then the second event samples, not the first.
+
OPTIONS
-------
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index b3f3b3f1c161..561ef55743e2 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -556,6 +556,19 @@ overhead. You can still switch them on with:
--switch-output --no-no-buildid --no-no-buildid-cache
+--switch-output-event::
+Events that will cause the switch of the perf.data file, auto-selecting
+--switch-output=signal, the results are similar as internally the side band
+thread will also send a SIGUSR2 to the main one.
+
+Uses the same syntax as --event, it will just not be recorded, serving only to
+switch the perf.data file as soon as the --switch-output event is processed by
+a separate sideband thread.
+
+This sideband thread is also used to other purposes, like processing the
+PERF_RECORD_BPF_EVENT records as they happen, asking the kernel for extra BPF
+information, etc.
+
--switch-max-files=N::
When rotating perf.data with --switch-output, only keep N files.
@@ -596,6 +609,10 @@ Make a copy of /proc/kcore and place it into a directory with the perf data file
Limit the sample data max size, <size> is expected to be a number with
appended unit character - B/K/M/G
+--num-thread-synthesize::
+ The number of threads to run when synthesizing events for existing processes.
+ By default, the number of threads equals 1.
+
SEE ALSO
--------
linkperf:perf-stat[1], linkperf:perf-list[1], linkperf:perf-intel-pt[1]
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index f569b9ea4002..d068103690cc 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -488,6 +488,17 @@ include::itrace.txt[]
This option extends the perf report to show reference callgraphs,
which collected by reference event, in no callgraph event.
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not full proof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
--socket-filter::
Only report the samples on the processor socket that match with this filter
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 963487e82edc..372dfd110e6d 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -440,6 +440,17 @@ include::itrace.txt[]
--show-on-off-events::
Show the --switch-on/off events too.
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The perf.data file must have been obtained using
+ perf record --call-graph lbr.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not full proof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script-perl[1],
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 4d56586b2fb9..3fb5028aef08 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -176,6 +176,8 @@ Print count deltas every N milliseconds (minimum: 1ms)
The overhead percentage could be high in some cases, for instance with small, sub 100ms intervals. Use with caution.
example: 'perf stat -I 1000 -e cycles -a sleep 5'
+If the metric exists, it is calculated by the counts generated in this interval and the metric is printed after #.
+
--interval-count times::
Print count deltas for fixed number of times.
This option should be used together with "-I" option.
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index 487737a725e9..20227dabc208 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -319,6 +319,15 @@ Default is to monitor all CPUS.
go straight to the histogram browser, just like 'perf top' with no events
explicitely specified does.
+--stitch-lbr::
+ Show callgraph with stitched LBRs, which may have more complete
+ callgraph. The option must be used with --call-graph lbr recording.
+ Disabled by default. In common cases with call stack overflows,
+ it can recreate better call stacks than the default lbr call stack
+ output. But this approach is not full proof. There can be cases
+ where it creates incorrect call stacks from incorrect matches.
+ The known limitations include exception handing such as
+ setjmp/longjmp will have calls/returns not match.
INTERACTIVE PROMPTING KEYS
--------------------------
diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index b0152e1095c5..b6472e463284 100644
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -373,6 +373,22 @@ struct {
Indicates that trace contains records of PERF_RECORD_COMPRESSED type
that have perf_events records in compressed form.
+ HEADER_CPU_PMU_CAPS = 28,
+
+ A list of cpu PMU capabilities. The format of data is as below.
+
+struct {
+ u32 nr_cpu_pmu_caps;
+ {
+ char name[];
+ char value[];
+ } [nr_cpu_pmu_caps]
+};
+
+
+Example:
+ cpu pmu capabilities: branches=32, max_precise=3, pmu_name=icelake
+
other bits are reserved and should ignored for now
HEADER_FEAT_BITS = 256,
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index d15a311408f1..94a495594e99 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -188,7 +188,7 @@ AWK = awk
# non-config cases
config := 1
-NON_CONFIG_TARGETS := clean python-clean TAGS tags cscope help install-doc install-man install-html install-info install-pdf doc man html info pdf
+NON_CONFIG_TARGETS := clean python-clean TAGS tags cscope help
ifdef MAKECMDGOALS
ifeq ($(filter-out $(NON_CONFIG_TARGETS),$(MAKECMDGOALS)),)
@@ -832,7 +832,7 @@ INSTALL_DOC_TARGETS += quick-install-doc quick-install-man quick-install-html
# 'make doc' should call 'make -C Documentation all'
$(DOC_TARGETS):
- $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:doc=all)
+ $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:doc=all) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
TAG_FOLDERS= . ../lib ../include
TAG_FILES= ../../include/uapi/linux/perf_event.h
@@ -959,7 +959,7 @@ install-python_ext:
# 'make install-doc' should call 'make -C Documentation install'
$(INSTALL_DOC_TARGETS):
- $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:-doc=)
+ $(Q)$(MAKE) -C $(DOC_DIR) O=$(OUTPUT) $(@:-doc=) ASCIIDOC_EXTRA=$(ASCIIDOC_EXTRA)
### Cleaning rules
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 941f814820b8..97aa02c4491d 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -23,6 +23,7 @@
#include "../../util/event.h"
#include "../../util/evlist.h"
#include "../../util/evsel.h"
+#include "../../util/perf_api_probe.h"
#include "../../util/evsel_config.h"
#include "../../util/pmu.h"
#include "../../util/cs-etm.h"
@@ -232,7 +233,7 @@ static int cs_etm_set_sink_attr(struct perf_pmu *pmu,
ret = perf_pmu__scan_file(pmu, path, "%x", &hash);
if (ret != 1) {
pr_err("failed to set sink \"%s\" on event %s with %d (%s)\n",
- sink, perf_evsel__name(evsel), errno,
+ sink, evsel__name(evsel), errno,
str_error_r(errno, msg, sizeof(msg)));
return ret;
}
@@ -401,7 +402,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
* when a context switch happened.
*/
if (!perf_cpu_map__empty(cpus)) {
- perf_evsel__set_sample_bit(cs_etm_evsel, CPU);
+ evsel__set_sample_bit(cs_etm_evsel, CPU);
err = cs_etm_set_option(itr, cs_etm_evsel,
ETM_OPT_CTXTID | ETM_OPT_TS);
@@ -425,7 +426,7 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
/* In per-cpu case, always need the time of mmap events etc */
if (!perf_cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, TIME);
}
out:
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index 27653be24447..e3593063b3d1 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -120,9 +120,9 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
*/
perf_evlist__to_front(evlist, arm_spe_evsel);
- perf_evsel__set_sample_bit(arm_spe_evsel, CPU);
- perf_evsel__set_sample_bit(arm_spe_evsel, TIME);
- perf_evsel__set_sample_bit(arm_spe_evsel, TID);
+ evsel__set_sample_bit(arm_spe_evsel, CPU);
+ evsel__set_sample_bit(arm_spe_evsel, TIME);
+ evsel__set_sample_bit(arm_spe_evsel, TID);
/* Add dummy event to keep tracking */
err = parse_events(evlist, "dummy:u", NULL);
@@ -134,9 +134,9 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
tracking_evsel->core.attr.freq = 0;
tracking_evsel->core.attr.sample_period = 1;
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
- perf_evsel__set_sample_bit(tracking_evsel, CPU);
- perf_evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
+ evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, CPU);
+ evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
return 0;
}
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index 3b4cdfc5efd6..d4870074f14c 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -7,6 +7,8 @@
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
+#include "metricgroup.h"
+#include <api/fs/fs.h>
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
@@ -44,3 +46,9 @@ get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
return bufp;
}
+
+int arch_get_runtimeparam(void)
+{
+ int count;
+ return sysfs__read_int("/devices/hv_24x7/interface/sockets", &count) < 0 ? 1 : count;
+}
diff --git a/tools/perf/arch/powerpc/util/kvm-stat.c b/tools/perf/arch/powerpc/util/kvm-stat.c
index 16807269317c..eed9e5a42935 100644
--- a/tools/perf/arch/powerpc/util/kvm-stat.c
+++ b/tools/perf/arch/powerpc/util/kvm-stat.c
@@ -39,7 +39,7 @@ static void hcall_event_get_key(struct evsel *evsel,
struct event_key *key)
{
key->info = 0;
- key->key = perf_evsel__intval(evsel, sample, "req");
+ key->key = evsel__intval(evsel, sample, "req");
}
static const char *get_hcall_exit_reason(u64 exit_code)
diff --git a/tools/perf/arch/s390/util/kvm-stat.c b/tools/perf/arch/s390/util/kvm-stat.c
index 0fd4e9f49ed0..34da89ced29a 100644
--- a/tools/perf/arch/s390/util/kvm-stat.c
+++ b/tools/perf/arch/s390/util/kvm-stat.c
@@ -30,7 +30,7 @@ static void event_icpt_insn_get_key(struct evsel *evsel,
{
unsigned long insn;
- insn = perf_evsel__intval(evsel, sample, "instruction");
+ insn = evsel__intval(evsel, sample, "instruction");
key->key = icpt_insn_decoder(insn);
key->exit_reasons = sie_icpt_insn_codes;
}
@@ -39,7 +39,7 @@ static void event_sigp_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "order_code");
+ key->key = evsel__intval(evsel, sample, "order_code");
key->exit_reasons = sie_sigp_order_codes;
}
@@ -47,7 +47,7 @@ static void event_diag_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "code");
+ key->key = evsel__intval(evsel, sample, "code");
key->exit_reasons = sie_diagnose_codes;
}
@@ -55,7 +55,7 @@ static void event_icpt_prog_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "code");
+ key->key = evsel__intval(evsel, sample, "code");
key->exit_reasons = sie_icpt_prog_codes;
}
diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
index 909ead08a6f6..026d32ed078e 100644
--- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c
+++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c
@@ -130,13 +130,11 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe
goto next_event;
if (strcmp(event->comm.comm, comm1) == 0) {
- CHECK__(perf_evsel__parse_sample(evsel, event,
- &sample));
+ CHECK__(evsel__parse_sample(evsel, event, &sample));
comm1_time = sample.time;
}
if (strcmp(event->comm.comm, comm2) == 0) {
- CHECK__(perf_evsel__parse_sample(evsel, event,
- &sample));
+ CHECK__(evsel__parse_sample(evsel, event, &sample));
comm2_time = sample.time;
}
next_event:
diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c
index 09f93800bffd..0dc09b5809c1 100644
--- a/tools/perf/arch/x86/util/intel-bts.c
+++ b/tools/perf/arch/x86/util/intel-bts.c
@@ -224,7 +224,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr,
* AUX event.
*/
if (!perf_cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(intel_bts_evsel, CPU);
+ evsel__set_sample_bit(intel_bts_evsel, CPU);
}
/* Add dummy event to keep tracking */
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 1643aed8c4c8..3f7c20cc7b79 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -25,6 +25,7 @@
#include "../../../util/pmu.h"
#include "../../../util/debug.h"
#include "../../../util/auxtrace.h"
+#include "../../../util/perf_api_probe.h"
#include "../../../util/record.h"
#include "../../../util/target.h"
#include "../../../util/tsc.h"
@@ -420,8 +421,8 @@ static int intel_pt_track_switches(struct evlist *evlist)
evsel = evlist__last(evlist);
- perf_evsel__set_sample_bit(evsel, CPU);
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, TIME);
evsel->core.system_wide = true;
evsel->no_aux_samples = true;
@@ -801,10 +802,10 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
switch_evsel->no_aux_samples = true;
switch_evsel->immediate = true;
- perf_evsel__set_sample_bit(switch_evsel, TID);
- perf_evsel__set_sample_bit(switch_evsel, TIME);
- perf_evsel__set_sample_bit(switch_evsel, CPU);
- perf_evsel__reset_sample_bit(switch_evsel, BRANCH_STACK);
+ evsel__set_sample_bit(switch_evsel, TID);
+ evsel__set_sample_bit(switch_evsel, TIME);
+ evsel__set_sample_bit(switch_evsel, CPU);
+ evsel__reset_sample_bit(switch_evsel, BRANCH_STACK);
opts->record_switch_events = false;
ptr->have_sched_switch = 3;
@@ -838,7 +839,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
* AUX event.
*/
if (!perf_cpu_map__empty(cpus))
- perf_evsel__set_sample_bit(intel_pt_evsel, CPU);
+ evsel__set_sample_bit(intel_pt_evsel, CPU);
}
/* Add dummy event to keep tracking */
@@ -862,11 +863,11 @@ static int intel_pt_recording_options(struct auxtrace_record *itr,
/* In per-cpu case, always need the time of mmap events etc */
if (!perf_cpu_map__empty(cpus)) {
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, TIME);
/* And the CPU for switch events */
- perf_evsel__set_sample_bit(tracking_evsel, CPU);
+ evsel__set_sample_bit(tracking_evsel, CPU);
}
- perf_evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(tracking_evsel, BRANCH_STACK);
}
/*
diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
index c0775c39227f..072920475b65 100644
--- a/tools/perf/arch/x86/util/kvm-stat.c
+++ b/tools/perf/arch/x86/util/kvm-stat.c
@@ -31,8 +31,8 @@ const char *kvm_exit_trace = "kvm:kvm_exit";
static void mmio_event_get_key(struct evsel *evsel, struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "gpa");
- key->info = perf_evsel__intval(evsel, sample, "type");
+ key->key = evsel__intval(evsel, sample, "gpa");
+ key->info = evsel__intval(evsel, sample, "type");
}
#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
@@ -48,7 +48,7 @@ static bool mmio_event_begin(struct evsel *evsel,
/* MMIO write begin event in kernel. */
if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
- perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) {
+ evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_WRITE) {
mmio_event_get_key(evsel, sample, key);
return true;
}
@@ -65,7 +65,7 @@ static bool mmio_event_end(struct evsel *evsel, struct perf_sample *sample,
/* MMIO read end event in kernel.*/
if (!strcmp(evsel->name, "kvm:kvm_mmio") &&
- perf_evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) {
+ evsel__intval(evsel, sample, "type") == KVM_TRACE_MMIO_READ) {
mmio_event_get_key(evsel, sample, key);
return true;
}
@@ -94,8 +94,8 @@ static void ioport_event_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
- key->key = perf_evsel__intval(evsel, sample, "port");
- key->info = perf_evsel__intval(evsel, sample, "rw");
+ key->key = evsel__intval(evsel, sample, "port");
+ key->info = evsel__intval(evsel, sample, "rw");
}
static bool ioport_event_begin(struct evsel *evsel,
diff --git a/tools/perf/bench/Build b/tools/perf/bench/Build
index e4e321b6f883..768e408757a0 100644
--- a/tools/perf/bench/Build
+++ b/tools/perf/bench/Build
@@ -6,9 +6,10 @@ perf-y += futex-wake.o
perf-y += futex-wake-parallel.o
perf-y += futex-requeue.o
perf-y += futex-lock-pi.o
-
perf-y += epoll-wait.o
perf-y += epoll-ctl.o
+perf-y += synthesize.o
+perf-y += kallsyms-parse.o
perf-$(CONFIG_X86_64) += mem-memcpy-x86-64-lib.o
perf-$(CONFIG_X86_64) += mem-memcpy-x86-64-asm.o
diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h
index 4aa6de1aa67d..61cae4966cae 100644
--- a/tools/perf/bench/bench.h
+++ b/tools/perf/bench/bench.h
@@ -41,9 +41,10 @@ int bench_futex_wake_parallel(int argc, const char **argv);
int bench_futex_requeue(int argc, const char **argv);
/* pi futexes */
int bench_futex_lock_pi(int argc, const char **argv);
-
int bench_epoll_wait(int argc, const char **argv);
int bench_epoll_ctl(int argc, const char **argv);
+int bench_synthesize(int argc, const char **argv);
+int bench_kallsyms_parse(int argc, const char **argv);
#define BENCH_FORMAT_DEFAULT_STR "default"
#define BENCH_FORMAT_DEFAULT 0
diff --git a/tools/perf/bench/epoll-wait.c b/tools/perf/bench/epoll-wait.c
index f938c585d512..cf797362675b 100644
--- a/tools/perf/bench/epoll-wait.c
+++ b/tools/perf/bench/epoll-wait.c
@@ -519,7 +519,8 @@ int bench_epoll_wait(int argc, const char **argv)
qsort(worker, nthreads, sizeof(struct worker), cmpworker);
for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops / bench__runtime.tv_sec;
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c
index 65eebe06c04d..915bf3da7ce2 100644
--- a/tools/perf/bench/futex-hash.c
+++ b/tools/perf/bench/futex-hash.c
@@ -205,7 +205,8 @@ int bench_futex_hash(int argc, const char **argv)
pthread_mutex_destroy(&thread_lock);
for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops / bench__runtime.tv_sec;
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
if (!silent) {
if (nfutexes == 1)
diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c
index 89fd8f325f38..bb25d8beb3b8 100644
--- a/tools/perf/bench/futex-lock-pi.c
+++ b/tools/perf/bench/futex-lock-pi.c
@@ -211,7 +211,8 @@ int bench_futex_lock_pi(int argc, const char **argv)
pthread_mutex_destroy(&thread_lock);
for (i = 0; i < nthreads; i++) {
- unsigned long t = worker[i].ops / bench__runtime.tv_sec;
+ unsigned long t = bench__runtime.tv_sec > 0 ?
+ worker[i].ops / bench__runtime.tv_sec : 0;
update_stats(&throughput_stats, t);
if (!silent)
diff --git a/tools/perf/bench/kallsyms-parse.c b/tools/perf/bench/kallsyms-parse.c
new file mode 100644
index 000000000000..2b0d0f980ae9
--- /dev/null
+++ b/tools/perf/bench/kallsyms-parse.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark of /proc/kallsyms parsing.
+ *
+ * Copyright 2020 Google LLC.
+ */
+#include <stdlib.h>
+#include "bench.h"
+#include "../util/stat.h"
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+#include <symbol/kallsyms.h>
+
+static unsigned int iterations = 100;
+
+static const struct option options[] = {
+ OPT_UINTEGER('i', "iterations", &iterations,
+ "Number of iterations used to compute average"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals kallsyms-parse <options>",
+ NULL
+};
+
+static int bench_process_symbol(void *arg __maybe_unused,
+ const char *name __maybe_unused,
+ char type __maybe_unused,
+ u64 start __maybe_unused)
+{
+ return 0;
+}
+
+static int do_kallsyms_parse(void)
+{
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev;
+ int err;
+ struct stats time_stats;
+
+ init_stats(&time_stats);
+
+ for (i = 0; i < iterations; i++) {
+ gettimeofday(&start, NULL);
+ err = kallsyms__parse("/proc/kallsyms", NULL,
+ bench_process_symbol);
+ if (err)
+ return err;
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ }
+
+ time_average = avg_stats(&time_stats) / USEC_PER_MSEC;
+ time_stddev = stddev_stats(&time_stats) / USEC_PER_MSEC;
+ printf(" Average kallsyms__parse took: %.3f ms (+- %.3f ms)\n",
+ time_average, time_stddev);
+ return 0;
+}
+
+int bench_kallsyms_parse(int argc, const char **argv)
+{
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ return do_kallsyms_parse();
+}
diff --git a/tools/perf/bench/synthesize.c b/tools/perf/bench/synthesize.c
new file mode 100644
index 000000000000..8d624aea1c5e
--- /dev/null
+++ b/tools/perf/bench/synthesize.c
@@ -0,0 +1,262 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Benchmark synthesis of perf events such as at the start of a 'perf
+ * record'. Synthesis is done on the current process and the 'dummy' event
+ * handlers are invoked that support dump_trace but otherwise do nothing.
+ *
+ * Copyright 2019 Google LLC.
+ */
+#include <stdio.h>
+#include "bench.h"
+#include "../util/debug.h"
+#include "../util/session.h"
+#include "../util/stat.h"
+#include "../util/synthetic-events.h"
+#include "../util/target.h"
+#include "../util/thread_map.h"
+#include "../util/tool.h"
+#include "../util/util.h"
+#include <linux/atomic.h>
+#include <linux/err.h>
+#include <linux/time64.h>
+#include <subcmd/parse-options.h>
+
+static unsigned int min_threads = 1;
+static unsigned int max_threads = UINT_MAX;
+static unsigned int single_iterations = 10000;
+static unsigned int multi_iterations = 10;
+static bool run_st;
+static bool run_mt;
+
+static const struct option options[] = {
+ OPT_BOOLEAN('s', "st", &run_st, "Run single threaded benchmark"),
+ OPT_BOOLEAN('t', "mt", &run_mt, "Run multi-threaded benchmark"),
+ OPT_UINTEGER('m', "min-threads", &min_threads,
+ "Minimum number of threads in multithreaded bench"),
+ OPT_UINTEGER('M', "max-threads", &max_threads,
+ "Maximum number of threads in multithreaded bench"),
+ OPT_UINTEGER('i', "single-iterations", &single_iterations,
+ "Number of iterations used to compute single-threaded average"),
+ OPT_UINTEGER('I', "multi-iterations", &multi_iterations,
+ "Number of iterations used to compute multi-threaded average"),
+ OPT_END()
+};
+
+static const char *const bench_usage[] = {
+ "perf bench internals synthesize <options>",
+ NULL
+};
+
+static atomic_t event_count;
+
+static int process_synthesized_event(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ atomic_inc(&event_count);
+ return 0;
+}
+
+static int do_run_single_threaded(struct perf_session *session,
+ struct perf_thread_map *threads,
+ struct target *target, bool data_mmap)
+{
+ const unsigned int nr_threads_synthesize = 1;
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev, event_average, event_stddev;
+ int err;
+ struct stats time_stats, event_stats;
+
+ init_stats(&time_stats);
+ init_stats(&event_stats);
+
+ for (i = 0; i < single_iterations; i++) {
+ atomic_set(&event_count, 0);
+ gettimeofday(&start, NULL);
+ err = __machine__synthesize_threads(&session->machines.host,
+ NULL,
+ target, threads,
+ process_synthesized_event,
+ data_mmap,
+ nr_threads_synthesize);
+ if (err)
+ return err;
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ update_stats(&event_stats, atomic_read(&event_count));
+ }
+
+ time_average = avg_stats(&time_stats);
+ time_stddev = stddev_stats(&time_stats);
+ printf(" Average %ssynthesis took: %.3f usec (+- %.3f usec)\n",
+ data_mmap ? "data " : "", time_average, time_stddev);
+
+ event_average = avg_stats(&event_stats);
+ event_stddev = stddev_stats(&event_stats);
+ printf(" Average num. events: %.3f (+- %.3f)\n",
+ event_average, event_stddev);
+
+ printf(" Average time per event %.3f usec\n",
+ time_average / event_average);
+ return 0;
+}
+
+static int run_single_threaded(void)
+{
+ struct perf_session *session;
+ struct target target = {
+ .pid = "self",
+ };
+ struct perf_thread_map *threads;
+ int err;
+
+ perf_set_singlethreaded();
+ session = perf_session__new(NULL, false, NULL);
+ if (IS_ERR(session)) {
+ pr_err("Session creation failed.\n");
+ return PTR_ERR(session);
+ }
+ threads = thread_map__new_by_pid(getpid());
+ if (!threads) {
+ pr_err("Thread map creation failed.\n");
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ puts(
+"Computing performance of single threaded perf event synthesis by\n"
+"synthesizing events on the perf process itself:");
+
+ err = do_run_single_threaded(session, threads, &target, false);
+ if (err)
+ goto err_out;
+
+ err = do_run_single_threaded(session, threads, &target, true);
+
+err_out:
+ if (threads)
+ perf_thread_map__put(threads);
+
+ perf_session__delete(session);
+ return err;
+}
+
+static int do_run_multi_threaded(struct target *target,
+ unsigned int nr_threads_synthesize)
+{
+ struct timeval start, end, diff;
+ u64 runtime_us;
+ unsigned int i;
+ double time_average, time_stddev, event_average, event_stddev;
+ int err;
+ struct stats time_stats, event_stats;
+ struct perf_session *session;
+
+ init_stats(&time_stats);
+ init_stats(&event_stats);
+ for (i = 0; i < multi_iterations; i++) {
+ session = perf_session__new(NULL, false, NULL);
+ if (!session)
+ return -ENOMEM;
+
+ atomic_set(&event_count, 0);
+ gettimeofday(&start, NULL);
+ err = __machine__synthesize_threads(&session->machines.host,
+ NULL,
+ target, NULL,
+ process_synthesized_event,
+ false,
+ nr_threads_synthesize);
+ if (err) {
+ perf_session__delete(session);
+ return err;
+ }
+
+ gettimeofday(&end, NULL);
+ timersub(&end, &start, &diff);
+ runtime_us = diff.tv_sec * USEC_PER_SEC + diff.tv_usec;
+ update_stats(&time_stats, runtime_us);
+ update_stats(&event_stats, atomic_read(&event_count));
+ perf_session__delete(session);
+ }
+
+ time_average = avg_stats(&time_stats);
+ time_stddev = stddev_stats(&time_stats);
+ printf(" Average synthesis took: %.3f usec (+- %.3f usec)\n",
+ time_average, time_stddev);
+
+ event_average = avg_stats(&event_stats);
+ event_stddev = stddev_stats(&event_stats);
+ printf(" Average num. events: %.3f (+- %.3f)\n",
+ event_average, event_stddev);
+
+ printf(" Average time per event %.3f usec\n",
+ time_average / event_average);
+ return 0;
+}
+
+static int run_multi_threaded(void)
+{
+ struct target target = {
+ .cpu_list = "0"
+ };
+ unsigned int nr_threads_synthesize;
+ int err;
+
+ if (max_threads == UINT_MAX)
+ max_threads = sysconf(_SC_NPROCESSORS_ONLN);
+
+ puts(
+"Computing performance of multi threaded perf event synthesis by\n"
+"synthesizing events on CPU 0:");
+
+ for (nr_threads_synthesize = min_threads;
+ nr_threads_synthesize <= max_threads;
+ nr_threads_synthesize++) {
+ if (nr_threads_synthesize == 1)
+ perf_set_singlethreaded();
+ else
+ perf_set_multithreaded();
+
+ printf(" Number of synthesis threads: %u\n",
+ nr_threads_synthesize);
+
+ err = do_run_multi_threaded(&target, nr_threads_synthesize);
+ if (err)
+ return err;
+ }
+ perf_set_singlethreaded();
+ return 0;
+}
+
+int bench_synthesize(int argc, const char **argv)
+{
+ int err = 0;
+
+ argc = parse_options(argc, argv, options, bench_usage, 0);
+ if (argc) {
+ usage_with_options(bench_usage, options);
+ exit(EXIT_FAILURE);
+ }
+
+ /*
+ * If neither single threaded or multi-threaded are specified, default
+ * to running just single threaded.
+ */
+ if (!run_st && !run_mt)
+ run_st = true;
+
+ if (run_st)
+ err = run_single_threaded();
+
+ if (!err && run_mt)
+ err = run_multi_threaded();
+
+ return err;
+}
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 6c0a0412502e..d3e5a84f87a2 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -212,11 +212,9 @@ static bool has_annotation(struct perf_annotate *ann)
return ui__has_annotation() || ann->use_stdio2;
}
-static int perf_evsel__add_sample(struct evsel *evsel,
- struct perf_sample *sample,
- struct addr_location *al,
- struct perf_annotate *ann,
- struct machine *machine)
+static int evsel__add_sample(struct evsel *evsel, struct perf_sample *sample,
+ struct addr_location *al, struct perf_annotate *ann,
+ struct machine *machine)
{
struct hists *hists = evsel__hists(evsel);
struct hist_entry *he;
@@ -278,7 +276,7 @@ static int process_sample_event(struct perf_tool *tool,
goto out_put;
if (!al.filtered &&
- perf_evsel__add_sample(evsel, sample, &al, ann, machine)) {
+ evsel__add_sample(evsel, sample, &al, ann, machine)) {
pr_warning("problem incrementing symbol count, "
"skipping event\n");
ret = -1;
@@ -433,11 +431,10 @@ static int __cmd_annotate(struct perf_annotate *ann)
total_nr_samples += nr_samples;
hists__collapse_resort(hists, NULL);
/* Don't sort callchain */
- perf_evsel__reset_sample_bit(pos, CALLCHAIN);
+ evsel__reset_sample_bit(pos, CALLCHAIN);
perf_evsel__output_resort(pos, NULL);
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos))
+ if (symbol_conf.event_group && !evsel__is_group_leader(pos))
continue;
hists__find_annotations(hists, pos, ann);
diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c
index c06fe21c8613..083273209c88 100644
--- a/tools/perf/builtin-bench.c
+++ b/tools/perf/builtin-bench.c
@@ -76,6 +76,12 @@ static struct bench epoll_benchmarks[] = {
};
#endif // HAVE_EVENTFD
+static struct bench internals_benchmarks[] = {
+ { "synthesize", "Benchmark perf event synthesis", bench_synthesize },
+ { "kallsyms-parse", "Benchmark kallsyms parsing", bench_kallsyms_parse },
+ { NULL, NULL, NULL }
+};
+
struct collection {
const char *name;
const char *summary;
@@ -92,6 +98,7 @@ static struct collection collections[] = {
#ifdef HAVE_EVENTFD
{"epoll", "Epoll stressing benchmarks", epoll_benchmarks },
#endif
+ { "internals", "Perf-internals benchmarks", internals_benchmarks },
{ "all", "All benchmarks", NULL },
{ NULL, NULL, NULL }
};
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 246ac0b4d54f..1baf4cae086f 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -95,6 +95,7 @@ struct perf_c2c {
bool use_stdio;
bool stats_only;
bool symbol_full;
+ bool stitch_lbr;
/* HITM shared clines stats */
struct c2c_stats hitm_stats;
@@ -273,6 +274,9 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
return -1;
}
+ if (c2c.stitch_lbr)
+ al.thread->lbr_stitch_enable = true;
+
ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
evsel, &al, sysctl_perf_event_max_stack);
if (ret)
@@ -1705,7 +1709,7 @@ static struct c2c_dimension *get_dimension(const char *name)
if (!strcmp(dim->name, name))
return dim;
- };
+ }
return NULL;
}
@@ -1921,7 +1925,7 @@ static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
FILTER_HITM(tot_hitm);
default:
break;
- };
+ }
#undef FILTER_HITM
@@ -2255,8 +2259,7 @@ static void print_c2c_info(FILE *out, struct perf_session *session)
fprintf(out, "=================================================\n");
evlist__for_each_entry(evlist, evsel) {
- fprintf(out, "%-36s: %s\n", first ? " Events" : "",
- perf_evsel__name(evsel));
+ fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
first = false;
}
fprintf(out, " Cachelines sort on : %s HITMs\n",
@@ -2601,6 +2604,12 @@ static int setup_callchain(struct evlist *evlist)
}
}
+ if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
+ ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
+ "Please apply --call-graph lbr when recording.\n");
+ c2c.stitch_lbr = false;
+ }
+
callchain_param.record_mode = mode;
callchain_param.min_percent = 0;
return 0;
@@ -2752,6 +2761,8 @@ static int perf_c2c__report(int argc, const char **argv)
OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
"coalesce fields: pid,tid,iaddr,dso"),
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
+ OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
+ "Enable LBR callgraph stitching approach"),
OPT_PARENT(c2c_options),
OPT_END()
};
@@ -2947,7 +2958,7 @@ static int perf_c2c__record(int argc, const char **argv)
rec_argv[i++] = "-e";
rec_argv[i++] = perf_mem_events__name(j);
- };
+ }
if (all_user)
rec_argv[i++] = "--all-user";
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index c94a002f295e..f8c9bdd8269a 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -467,7 +467,7 @@ static struct evsel *evsel_match(struct evsel *evsel,
struct evsel *e;
evlist__for_each_entry(evlist, e) {
- if (perf_evsel__match2(evsel, e))
+ if (evsel__match2(evsel, e))
return e;
}
@@ -981,7 +981,7 @@ static void data_process(void)
if (!quiet) {
fprintf(stdout, "%s# Event '%s'\n#\n", first ? "" : "\n",
- perf_evsel__name(evsel_base));
+ evsel__name(evsel_base));
}
first = false;
@@ -990,7 +990,7 @@ static void data_process(void)
data__fprintf();
/* Don't sort callchain for perf diff */
- perf_evsel__reset_sample_bit(evsel_base, CALLCHAIN);
+ evsel__reset_sample_bit(evsel_base, CALLCHAIN);
hists__process(hists_base);
}
@@ -1562,7 +1562,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
default:
BUG_ON(1);
- };
+ }
}
static void
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index d5adc417a4ca..55eda54240fb 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -284,10 +284,11 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv)
.events = POLLIN,
};
- if (!perf_cap__capable(CAP_SYS_ADMIN)) {
+ if (!(perf_cap__capable(CAP_PERFMON) ||
+ perf_cap__capable(CAP_SYS_ADMIN))) {
pr_err("ftrace only works for %s!\n",
#ifdef HAVE_LIBCAP_SUPPORT
- "users with the SYS_ADMIN capability"
+ "users with the CAP_PERFMON or CAP_SYS_ADMIN capability"
#else
"root"
#endif
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index 7e124a7b8bfd..53932db97a79 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -536,7 +536,7 @@ static int perf_inject__sched_stat(struct perf_tool *tool,
union perf_event *event_sw;
struct perf_sample sample_sw;
struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
- u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ u32 pid = evsel__intval(evsel, sample, "pid");
list_for_each_entry(ent, &inject->samples, node) {
if (pid == ent->tid)
@@ -546,7 +546,7 @@ static int perf_inject__sched_stat(struct perf_tool *tool,
return 0;
found:
event_sw = &ent->event[0];
- perf_evsel__parse_sample(evsel, event_sw, &sample_sw);
+ evsel__parse_sample(evsel, event_sw, &sample_sw);
sample_sw.period = sample->period;
sample_sw.time = sample->time;
@@ -561,11 +561,10 @@ static void sig_handler(int sig __maybe_unused)
session_done = 1;
}
-static int perf_evsel__check_stype(struct evsel *evsel,
- u64 sample_type, const char *sample_msg)
+static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg)
{
struct perf_event_attr *attr = &evsel->core.attr;
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
if (!(attr->sample_type & sample_type)) {
pr_err("Samples for %s event do not have %s attribute set.",
@@ -622,10 +621,10 @@ static int __cmd_inject(struct perf_inject *inject)
struct evsel *evsel;
evlist__for_each_entry(session->evlist, evsel) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
if (!strcmp(name, "sched:sched_switch")) {
- if (perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
+ if (evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
return -EINVAL;
evsel->handler = perf_inject__sched_switch;
@@ -684,14 +683,14 @@ static int __cmd_inject(struct perf_inject *inject)
perf_header__clear_feat(&session->header,
HEADER_AUXTRACE);
- if (inject->itrace_synth_opts.last_branch)
+ if (inject->itrace_synth_opts.last_branch ||
+ inject->itrace_synth_opts.add_last_branch)
perf_header__set_feat(&session->header,
HEADER_BRANCH_STACK);
evsel = perf_evlist__id2evsel_strict(session->evlist,
inject->aux_id);
if (evsel) {
- pr_debug("Deleting %s\n",
- perf_evsel__name(evsel));
+ pr_debug("Deleting %s\n", evsel__name(evsel));
evlist__remove(session->evlist, evsel);
evsel__delete(evsel);
}
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 003c85f5f56c..38a5ab683ebc 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -169,13 +169,12 @@ static int insert_caller_stat(unsigned long call_site,
return 0;
}
-static int perf_evsel__process_alloc_event(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_alloc_event(struct evsel *evsel, struct perf_sample *sample)
{
- unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr"),
- call_site = perf_evsel__intval(evsel, sample, "call_site");
- int bytes_req = perf_evsel__intval(evsel, sample, "bytes_req"),
- bytes_alloc = perf_evsel__intval(evsel, sample, "bytes_alloc");
+ unsigned long ptr = evsel__intval(evsel, sample, "ptr"),
+ call_site = evsel__intval(evsel, sample, "call_site");
+ int bytes_req = evsel__intval(evsel, sample, "bytes_req"),
+ bytes_alloc = evsel__intval(evsel, sample, "bytes_alloc");
if (insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, sample->cpu) ||
insert_caller_stat(call_site, bytes_req, bytes_alloc))
@@ -188,14 +187,13 @@ static int perf_evsel__process_alloc_event(struct evsel *evsel,
return 0;
}
-static int perf_evsel__process_alloc_node_event(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_alloc_node_event(struct evsel *evsel, struct perf_sample *sample)
{
- int ret = perf_evsel__process_alloc_event(evsel, sample);
+ int ret = evsel__process_alloc_event(evsel, sample);
if (!ret) {
int node1 = cpu__get_node(sample->cpu),
- node2 = perf_evsel__intval(evsel, sample, "node");
+ node2 = evsel__intval(evsel, sample, "node");
if (node1 != node2)
nr_cross_allocs++;
@@ -232,10 +230,9 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
return NULL;
}
-static int perf_evsel__process_free_event(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_free_event(struct evsel *evsel, struct perf_sample *sample)
{
- unsigned long ptr = perf_evsel__intval(evsel, sample, "ptr");
+ unsigned long ptr = evsel__intval(evsel, sample, "ptr");
struct alloc_stat *s_alloc, *s_caller;
s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
@@ -784,13 +781,12 @@ static int parse_gfp_flags(struct evsel *evsel, struct perf_sample *sample,
return 0;
}
-static int perf_evsel__process_page_alloc_event(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_page_alloc_event(struct evsel *evsel, struct perf_sample *sample)
{
u64 page;
- unsigned int order = perf_evsel__intval(evsel, sample, "order");
- unsigned int gfp_flags = perf_evsel__intval(evsel, sample, "gfp_flags");
- unsigned int migrate_type = perf_evsel__intval(evsel, sample,
+ unsigned int order = evsel__intval(evsel, sample, "order");
+ unsigned int gfp_flags = evsel__intval(evsel, sample, "gfp_flags");
+ unsigned int migrate_type = evsel__intval(evsel, sample,
"migratetype");
u64 bytes = kmem_page_size << order;
u64 callsite;
@@ -802,9 +798,9 @@ static int perf_evsel__process_page_alloc_event(struct evsel *evsel,
};
if (use_pfn)
- page = perf_evsel__intval(evsel, sample, "pfn");
+ page = evsel__intval(evsel, sample, "pfn");
else
- page = perf_evsel__intval(evsel, sample, "page");
+ page = evsel__intval(evsel, sample, "page");
nr_page_allocs++;
total_page_alloc_bytes += bytes;
@@ -857,11 +853,10 @@ static int perf_evsel__process_page_alloc_event(struct evsel *evsel,
return 0;
}
-static int perf_evsel__process_page_free_event(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_page_free_event(struct evsel *evsel, struct perf_sample *sample)
{
u64 page;
- unsigned int order = perf_evsel__intval(evsel, sample, "order");
+ unsigned int order = evsel__intval(evsel, sample, "order");
u64 bytes = kmem_page_size << order;
struct page_stat *pstat;
struct page_stat this = {
@@ -869,9 +864,9 @@ static int perf_evsel__process_page_free_event(struct evsel *evsel,
};
if (use_pfn)
- page = perf_evsel__intval(evsel, sample, "pfn");
+ page = evsel__intval(evsel, sample, "pfn");
else
- page = perf_evsel__intval(evsel, sample, "page");
+ page = evsel__intval(evsel, sample, "page");
nr_page_frees++;
total_page_free_bytes += bytes;
@@ -1371,15 +1366,15 @@ static int __cmd_kmem(struct perf_session *session)
struct evsel *evsel;
const struct evsel_str_handler kmem_tracepoints[] = {
/* slab allocator */
- { "kmem:kmalloc", perf_evsel__process_alloc_event, },
- { "kmem:kmem_cache_alloc", perf_evsel__process_alloc_event, },
- { "kmem:kmalloc_node", perf_evsel__process_alloc_node_event, },
- { "kmem:kmem_cache_alloc_node", perf_evsel__process_alloc_node_event, },
- { "kmem:kfree", perf_evsel__process_free_event, },
- { "kmem:kmem_cache_free", perf_evsel__process_free_event, },
+ { "kmem:kmalloc", evsel__process_alloc_event, },
+ { "kmem:kmem_cache_alloc", evsel__process_alloc_event, },
+ { "kmem:kmalloc_node", evsel__process_alloc_node_event, },
+ { "kmem:kmem_cache_alloc_node", evsel__process_alloc_node_event, },
+ { "kmem:kfree", evsel__process_free_event, },
+ { "kmem:kmem_cache_free", evsel__process_free_event, },
/* page allocator */
- { "kmem:mm_page_alloc", perf_evsel__process_page_alloc_event, },
- { "kmem:mm_page_free", perf_evsel__process_page_free_event, },
+ { "kmem:mm_page_alloc", evsel__process_page_alloc_event, },
+ { "kmem:mm_page_free", evsel__process_page_free_event, },
};
if (!perf_session__has_traces(session, "kmem record"))
@@ -1391,8 +1386,8 @@ static int __cmd_kmem(struct perf_session *session)
}
evlist__for_each_entry(session->evlist, evsel) {
- if (!strcmp(perf_evsel__name(evsel), "kmem:mm_page_alloc") &&
- perf_evsel__field(evsel, "pfn")) {
+ if (!strcmp(evsel__name(evsel), "kmem:mm_page_alloc") &&
+ evsel__field(evsel, "pfn")) {
use_pfn = true;
break;
}
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 577af4f3297a..95a77058023e 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -69,7 +69,7 @@ void exit_event_get_key(struct evsel *evsel,
struct event_key *key)
{
key->info = 0;
- key->key = perf_evsel__intval(evsel, sample, kvm_exit_reason);
+ key->key = evsel__intval(evsel, sample, kvm_exit_reason);
}
bool kvm_exit_event(struct evsel *evsel)
@@ -416,8 +416,7 @@ struct vcpu_event_record *per_vcpu_record(struct thread *thread,
return NULL;
}
- vcpu_record->vcpu_id = perf_evsel__intval(evsel, sample,
- vcpu_id_str);
+ vcpu_record->vcpu_id = evsel__intval(evsel, sample, vcpu_id_str);
thread__set_priv(thread, vcpu_record);
}
@@ -1033,16 +1032,16 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm)
struct perf_event_attr *attr = &pos->core.attr;
/* make sure these *are* set */
- perf_evsel__set_sample_bit(pos, TID);
- perf_evsel__set_sample_bit(pos, TIME);
- perf_evsel__set_sample_bit(pos, CPU);
- perf_evsel__set_sample_bit(pos, RAW);
+ evsel__set_sample_bit(pos, TID);
+ evsel__set_sample_bit(pos, TIME);
+ evsel__set_sample_bit(pos, CPU);
+ evsel__set_sample_bit(pos, RAW);
/* make sure these are *not*; want as small a sample as possible */
- perf_evsel__reset_sample_bit(pos, PERIOD);
- perf_evsel__reset_sample_bit(pos, IP);
- perf_evsel__reset_sample_bit(pos, CALLCHAIN);
- perf_evsel__reset_sample_bit(pos, ADDR);
- perf_evsel__reset_sample_bit(pos, READ);
+ evsel__reset_sample_bit(pos, PERIOD);
+ evsel__reset_sample_bit(pos, IP);
+ evsel__reset_sample_bit(pos, CALLCHAIN);
+ evsel__reset_sample_bit(pos, ADDR);
+ evsel__reset_sample_bit(pos, READ);
attr->mmap = 0;
attr->comm = 0;
attr->task = 0;
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index 474dfd59d7eb..f0a1dbacb46c 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -48,7 +48,7 @@ struct lock_stat {
struct rb_node rb; /* used for sorting */
/*
- * FIXME: perf_evsel__intval() returns u64,
+ * FIXME: evsel__intval() returns u64,
* so address of lockdep_map should be dealed as 64bit.
* Is there more better solution?
*/
@@ -404,9 +404,9 @@ static int report_lock_acquire_event(struct evsel *evsel,
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
- int flag = perf_evsel__intval(evsel, sample, "flag");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 tmp = evsel__intval(evsel, sample, "lockdep_addr");
+ int flag = evsel__intval(evsel, sample, "flag");
memcpy(&addr, &tmp, sizeof(void *));
@@ -477,8 +477,8 @@ static int report_lock_acquired_event(struct evsel *evsel,
struct thread_stat *ts;
struct lock_seq_stat *seq;
u64 contended_term;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 tmp = evsel__intval(evsel, sample, "lockdep_addr");
memcpy(&addr, &tmp, sizeof(void *));
@@ -539,8 +539,8 @@ static int report_lock_contended_event(struct evsel *evsel,
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 tmp = evsel__intval(evsel, sample, "lockdep_addr");
memcpy(&addr, &tmp, sizeof(void *));
@@ -594,8 +594,8 @@ static int report_lock_release_event(struct evsel *evsel,
struct lock_stat *ls;
struct thread_stat *ts;
struct lock_seq_stat *seq;
- const char *name = perf_evsel__strval(evsel, sample, "name");
- u64 tmp = perf_evsel__intval(evsel, sample, "lockdep_addr");
+ const char *name = evsel__strval(evsel, sample, "name");
+ u64 tmp = evsel__intval(evsel, sample, "lockdep_addr");
memcpy(&addr, &tmp, sizeof(void *));
@@ -657,32 +657,28 @@ static struct trace_lock_handler report_lock_ops = {
static struct trace_lock_handler *trace_handler;
-static int perf_evsel__process_lock_acquire(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_acquire(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->acquire_event)
return trace_handler->acquire_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_acquired(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_acquired(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->acquired_event)
return trace_handler->acquired_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_contended(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_contended(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->contended_event)
return trace_handler->contended_event(evsel, sample);
return 0;
}
-static int perf_evsel__process_lock_release(struct evsel *evsel,
- struct perf_sample *sample)
+static int evsel__process_lock_release(struct evsel *evsel, struct perf_sample *sample)
{
if (trace_handler->release_event)
return trace_handler->release_event(evsel, sample);
@@ -775,7 +771,7 @@ static void dump_threads(void)
pr_info("%10d: %s\n", st->tid, thread__comm_str(t));
node = rb_next(node);
thread__put(t);
- };
+ }
}
static void dump_map(void)
@@ -849,10 +845,10 @@ static void sort_result(void)
}
static const struct evsel_str_handler lock_tracepoints[] = {
- { "lock:lock_acquire", perf_evsel__process_lock_acquire, }, /* CONFIG_LOCKDEP */
- { "lock:lock_acquired", perf_evsel__process_lock_acquired, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- { "lock:lock_contended", perf_evsel__process_lock_contended, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
- { "lock:lock_release", perf_evsel__process_lock_release, }, /* CONFIG_LOCKDEP */
+ { "lock:lock_acquire", evsel__process_lock_acquire, }, /* CONFIG_LOCKDEP */
+ { "lock:lock_acquired", evsel__process_lock_acquired, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_contended", evsel__process_lock_contended, }, /* CONFIG_LOCKDEP, CONFIG_LOCK_STAT */
+ { "lock:lock_release", evsel__process_lock_release, }, /* CONFIG_LOCKDEP */
};
static bool force;
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index a13f5817d6fc..68a7eb84561a 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -123,7 +123,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem)
rec_argv[i++] = "-e";
rec_argv[i++] = perf_mem_events__name(j);
- };
+ }
if (all_user)
rec_argv[i++] = "--all-user";
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 1ab349abe904..e4efdbf1a81e 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -34,6 +34,7 @@
#include "util/tsc.h"
#include "util/parse-branch-options.h"
#include "util/parse-regs-options.h"
+#include "util/perf_api_probe.h"
#include "util/llvm-utils.h"
#include "util/bpf-loader.h"
#include "util/trigger.h"
@@ -43,6 +44,7 @@
#include "util/time-utils.h"
#include "util/units.h"
#include "util/bpf-event.h"
+#include "util/util.h"
#include "asm/bug.h"
#include "perf.h"
@@ -50,6 +52,7 @@
#include <inttypes.h>
#include <locale.h>
#include <poll.h>
+#include <pthread.h>
#include <unistd.h>
#include <sched.h>
#include <signal.h>
@@ -84,7 +87,10 @@ struct record {
struct auxtrace_record *itr;
struct evlist *evlist;
struct perf_session *session;
+ struct evlist *sb_evlist;
+ pthread_t thread_id;
int realtime_prio;
+ bool switch_output_event_set;
bool no_buildid;
bool no_buildid_set;
bool no_buildid_cache;
@@ -503,6 +509,20 @@ static int process_synthesized_event(struct perf_tool *tool,
return record__write(rec, NULL, event, event->header.size);
}
+static int process_locked_synthesized_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample __maybe_unused,
+ struct machine *machine __maybe_unused)
+{
+ static pthread_mutex_t synth_lock = PTHREAD_MUTEX_INITIALIZER;
+ int ret;
+
+ pthread_mutex_lock(&synth_lock);
+ ret = process_synthesized_event(tool, event, sample, machine);
+ pthread_mutex_unlock(&synth_lock);
+ return ret;
+}
+
static int record__pushfn(struct mmap *map, void *to, void *bf, size_t size)
{
struct record *rec = to;
@@ -825,7 +845,7 @@ static int record__open(struct record *rec)
evlist__for_each_entry(evlist, pos) {
try_again:
if (evsel__open(pos, pos->core.cpus, pos->core.threads) < 0) {
- if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) {
+ if (evsel__fallback(pos, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
goto try_again;
@@ -837,8 +857,7 @@ try_again:
goto try_again;
}
rc = -errno;
- perf_evsel__open_strerror(pos, &opts->target,
- errno, msg, sizeof(msg));
+ evsel__open_strerror(pos, &opts->target, errno, msg, sizeof(msg));
ui__error("%s\n", msg);
goto out;
}
@@ -859,7 +878,7 @@ try_again:
if (perf_evlist__apply_filters(evlist, &pos)) {
pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
- pos->filter, perf_evsel__name(pos), errno,
+ pos->filter, evsel__name(pos), errno,
str_error_r(errno, msg, sizeof(msg)));
rc = -1;
goto out;
@@ -1288,6 +1307,7 @@ static int record__synthesize(struct record *rec, bool tail)
struct perf_tool *tool = &rec->tool;
int fd = perf_data__fd(data);
int err = 0;
+ event_op f = process_synthesized_event;
if (rec->opts.tail_synthesize != tail)
return 0;
@@ -1402,13 +1422,67 @@ static int record__synthesize(struct record *rec, bool tail)
if (err < 0)
pr_warning("Couldn't synthesize cgroup events.\n");
+ if (rec->opts.nr_threads_synthesize > 1) {
+ perf_set_multithreaded();
+ f = process_locked_synthesized_event;
+ }
+
err = __machine__synthesize_threads(machine, tool, &opts->target, rec->evlist->core.threads,
- process_synthesized_event, opts->sample_address,
- 1);
+ f, opts->sample_address,
+ rec->opts.nr_threads_synthesize);
+
+ if (rec->opts.nr_threads_synthesize > 1)
+ perf_set_singlethreaded();
+
out:
return err;
}
+static int record__process_signal_event(union perf_event *event __maybe_unused, void *data)
+{
+ struct record *rec = data;
+ pthread_kill(rec->thread_id, SIGUSR2);
+ return 0;
+}
+
+static int record__setup_sb_evlist(struct record *rec)
+{
+ struct record_opts *opts = &rec->opts;
+
+ if (rec->sb_evlist != NULL) {
+ /*
+ * We get here if --switch-output-event populated the
+ * sb_evlist, so associate a callback that will send a SIGUSR2
+ * to the main thread.
+ */
+ evlist__set_cb(rec->sb_evlist, record__process_signal_event, rec);
+ rec->thread_id = pthread_self();
+ }
+
+ if (!opts->no_bpf_event) {
+ if (rec->sb_evlist == NULL) {
+ rec->sb_evlist = evlist__new();
+
+ if (rec->sb_evlist == NULL) {
+ pr_err("Couldn't create side band evlist.\n.");
+ return -1;
+ }
+ }
+
+ if (evlist__add_bpf_sb_event(rec->sb_evlist, &rec->session->header.env)) {
+ pr_err("Couldn't ask for PERF_RECORD_BPF_EVENT side band events.\n.");
+ return -1;
+ }
+ }
+
+ if (perf_evlist__start_sb_thread(rec->sb_evlist, &rec->opts.target)) {
+ pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
+ opts->no_bpf_event = true;
+ }
+
+ return 0;
+}
+
static int __cmd_record(struct record *rec, int argc, const char **argv)
{
int err;
@@ -1420,7 +1494,6 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
struct perf_data *data = &rec->data;
struct perf_session *session;
bool disabled = false, draining = false;
- struct evlist *sb_evlist = NULL;
int fd;
float ratio = 0;
@@ -1546,21 +1619,17 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
goto out_child;
}
+ err = -1;
if (!rec->no_buildid
&& !perf_header__has_feat(&session->header, HEADER_BUILD_ID)) {
pr_err("Couldn't generate buildids. "
"Use --no-buildid to profile anyway.\n");
- err = -1;
goto out_child;
}
- if (!opts->no_bpf_event)
- bpf_event__add_sb_event(&sb_evlist, &session->header.env);
-
- if (perf_evlist__start_sb_thread(sb_evlist, &rec->opts.target)) {
- pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
- opts->no_bpf_event = true;
- }
+ err = record__setup_sb_evlist(rec);
+ if (err)
+ goto out_child;
err = record__synthesize(rec, false);
if (err < 0)
@@ -1831,7 +1900,7 @@ out_delete_session:
perf_session__delete(session);
if (!opts->no_bpf_event)
- perf_evlist__stop_sb_thread(sb_evlist);
+ perf_evlist__stop_sb_thread(rec->sb_evlist);
return status;
}
@@ -2142,10 +2211,19 @@ static int switch_output_setup(struct record *rec)
};
unsigned long val;
+ /*
+ * If we're using --switch-output-events, then we imply its
+ * --switch-output=signal, as we'll send a SIGUSR2 from the side band
+ * thread to its parent.
+ */
+ if (rec->switch_output_event_set)
+ goto do_signal;
+
if (!s->set)
return 0;
if (!strcmp(s->str, "signal")) {
+do_signal:
s->signal = true;
pr_debug("switch-output with SIGUSR2 signal\n");
goto enabled;
@@ -2232,6 +2310,7 @@ static struct record record = {
.default_per_cpu = true,
},
.mmap_flush = MMAP_FLUSH_DEFAULT,
+ .nr_threads_synthesize = 1,
},
.tool = {
.sample = process_sample_event,
@@ -2402,6 +2481,9 @@ static struct option __record_options[] = {
&record.switch_output.set, "signal or size[BKMG] or time[smhd]",
"Switch output when receiving SIGUSR2 (signal) or cross a size or time threshold",
"signal"),
+ OPT_CALLBACK_SET(0, "switch-output-event", &record.sb_evlist, &record.switch_output_event_set, "switch output event",
+ "switch output event selector. use 'perf list' to list available events",
+ parse_events_option_new_evlist),
OPT_INTEGER(0, "switch-max-files", &record.switch_output.num_files,
"Limit number of switch output generated files"),
OPT_BOOLEAN(0, "dry-run", &dry_run,
@@ -2421,6 +2503,9 @@ static struct option __record_options[] = {
#endif
OPT_CALLBACK(0, "max-size", &record.output_max_size,
"size", "Limit the maximum size of the output file", parse_output_max_size),
+ OPT_UINTEGER(0, "num-thread-synthesize",
+ &record.opts.nr_threads_synthesize,
+ "number of threads to run for event synthesis"),
OPT_END()
};
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 26d8fc27e427..ba63390246c2 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -84,6 +84,7 @@ struct report {
bool header_only;
bool nonany_branch_mode;
bool group_set;
+ bool stitch_lbr;
int max_stack;
struct perf_read_values show_threads_values;
struct annotation_options annotation_opts;
@@ -267,6 +268,9 @@ static int process_sample_event(struct perf_tool *tool,
return -1;
}
+ if (rep->stitch_lbr)
+ al.thread->lbr_stitch_enable = true;
+
if (symbol_conf.hide_unresolved && al.sym == NULL)
goto out_put;
@@ -317,7 +321,7 @@ static int process_read_event(struct perf_tool *tool,
struct report *rep = container_of(tool, struct report, tool);
if (rep->show_threads) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
int err = perf_read_values_add_value(&rep->show_threads_values,
event->read.pid, event->read.tid,
evsel->idx,
@@ -339,12 +343,14 @@ static int report__setup_sample_type(struct report *rep)
bool is_pipe = perf_data__is_pipe(session->data);
if (session->itrace_synth_opts->callchain ||
+ session->itrace_synth_opts->add_callchain ||
(!is_pipe &&
perf_header__has_feat(&session->header, HEADER_AUXTRACE) &&
!session->itrace_synth_opts->set))
sample_type |= PERF_SAMPLE_CALLCHAIN;
- if (session->itrace_synth_opts->last_branch)
+ if (session->itrace_synth_opts->last_branch ||
+ session->itrace_synth_opts->add_last_branch)
sample_type |= PERF_SAMPLE_BRANCH_STACK;
if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) {
@@ -407,6 +413,12 @@ static int report__setup_sample_type(struct report *rep)
callchain_param.record_mode = CALLCHAIN_FP;
}
+ if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
+ ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
+ "Please apply --call-graph lbr when recording.\n");
+ rep->stitch_lbr = false;
+ }
+
/* ??? handle more cases than just ANY? */
if (!(perf_evlist__combined_branch_type(session->evlist) &
PERF_SAMPLE_BRANCH_ANY))
@@ -447,10 +459,10 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report
nr_events = hists->stats.total_non_filtered_period;
}
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
struct evsel *pos;
- perf_evsel__group_desc(evsel, buf, size);
+ evsel__group_desc(evsel, buf, size);
evname = buf;
for_each_group_member(pos, evsel) {
@@ -525,10 +537,9 @@ static int perf_evlist__tty_browse_hists(struct evlist *evlist,
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
- const char *evname = perf_evsel__name(pos);
+ const char *evname = evsel__name(pos);
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos))
+ if (symbol_conf.event_group && !evsel__is_group_leader(pos))
continue;
hists__fprintf_nr_sample_events(hists, rep, evname, stdout);
@@ -670,8 +681,7 @@ static int report__collapse_hists(struct report *rep)
break;
/* Non-group events are considered as leader */
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos)) {
+ if (symbol_conf.event_group && !evsel__is_group_leader(pos)) {
struct hists *leader_hists = evsel__hists(pos->leader);
hists__match(leader_hists, hists);
@@ -1257,6 +1267,8 @@ int cmd_report(int argc, const char **argv)
"Show full source file name path for source lines"),
OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph,
"Show callgraph from reference event"),
+ OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr,
+ "Enable LBR callgraph stitching approach"),
OPT_INTEGER(0, "socket-filter", &report.socket_filter,
"only show processor socket that match with this filter"),
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
@@ -1332,7 +1344,7 @@ int cmd_report(int argc, const char **argv)
if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
callchain_param.order = ORDER_CALLER;
- if (itrace_synth_opts.callchain &&
+ if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
(int)itrace_synth_opts.callchain_sz > report.max_stack)
report.max_stack = itrace_synth_opts.callchain_sz;
@@ -1380,7 +1392,7 @@ repeat:
goto error;
}
- if (itrace_synth_opts.last_branch)
+ if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch)
has_br_stack = true;
if (has_br_stack && branch_call_mode)
@@ -1400,7 +1412,7 @@ repeat:
}
if (branch_call_mode) {
callchain_param.key = CCKEY_ADDRESS;
- callchain_param.branch_callstack = 1;
+ callchain_param.branch_callstack = true;
symbol_conf.use_callchain = true;
callchain_register_param(&callchain_param);
if (sort_order == NULL)
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 82fcc2c15fe4..459e4229945e 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -811,8 +811,8 @@ replay_wakeup_event(struct perf_sched *sched,
struct evsel *evsel, struct perf_sample *sample,
struct machine *machine __maybe_unused)
{
- const char *comm = perf_evsel__strval(evsel, sample, "comm");
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ const char *comm = evsel__strval(evsel, sample, "comm");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
struct task_desc *waker, *wakee;
if (verbose > 0) {
@@ -833,11 +833,11 @@ static int replay_switch_event(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine __maybe_unused)
{
- const char *prev_comm = perf_evsel__strval(evsel, sample, "prev_comm"),
- *next_comm = perf_evsel__strval(evsel, sample, "next_comm");
- const u32 prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"),
- next_pid = perf_evsel__intval(evsel, sample, "next_pid");
- const u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state");
+ const char *prev_comm = evsel__strval(evsel, sample, "prev_comm"),
+ *next_comm = evsel__strval(evsel, sample, "next_comm");
+ const u32 prev_pid = evsel__intval(evsel, sample, "prev_pid"),
+ next_pid = evsel__intval(evsel, sample, "next_pid");
+ const u64 prev_state = evsel__intval(evsel, sample, "prev_state");
struct task_desc *prev, __maybe_unused *next;
u64 timestamp0, timestamp = sample->time;
int cpu = sample->cpu;
@@ -1106,9 +1106,9 @@ static int latency_switch_event(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine)
{
- const u32 prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"),
- next_pid = perf_evsel__intval(evsel, sample, "next_pid");
- const u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state");
+ const u32 prev_pid = evsel__intval(evsel, sample, "prev_pid"),
+ next_pid = evsel__intval(evsel, sample, "next_pid");
+ const u64 prev_state = evsel__intval(evsel, sample, "prev_state");
struct work_atoms *out_events, *in_events;
struct thread *sched_out, *sched_in;
u64 timestamp0, timestamp = sample->time;
@@ -1176,8 +1176,8 @@ static int latency_runtime_event(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine)
{
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
- const u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
+ const u64 runtime = evsel__intval(evsel, sample, "runtime");
struct thread *thread = machine__findnew_thread(machine, -1, pid);
struct work_atoms *atoms = thread_atoms_search(&sched->atom_root, thread, &sched->cmp_pid);
u64 timestamp = sample->time;
@@ -1211,7 +1211,7 @@ static int latency_wakeup_event(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine)
{
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
struct work_atoms *atoms;
struct work_atom *atom;
struct thread *wakee;
@@ -1272,7 +1272,7 @@ static int latency_migrate_task_event(struct perf_sched *sched,
struct perf_sample *sample,
struct machine *machine)
{
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
u64 timestamp = sample->time;
struct work_atoms *atoms;
struct work_atom *atom;
@@ -1526,7 +1526,7 @@ map__findnew_thread(struct perf_sched *sched, struct machine *machine, pid_t pid
static int map_switch_event(struct perf_sched *sched, struct evsel *evsel,
struct perf_sample *sample, struct machine *machine)
{
- const u32 next_pid = perf_evsel__intval(evsel, sample, "next_pid");
+ const u32 next_pid = evsel__intval(evsel, sample, "next_pid");
struct thread *sched_in;
struct thread_runtime *tr;
int new_shortname;
@@ -1670,8 +1670,8 @@ static int process_sched_switch_event(struct perf_tool *tool,
{
struct perf_sched *sched = container_of(tool, struct perf_sched, tool);
int this_cpu = sample->cpu, err = 0;
- u32 prev_pid = perf_evsel__intval(evsel, sample, "prev_pid"),
- next_pid = perf_evsel__intval(evsel, sample, "next_pid");
+ u32 prev_pid = evsel__intval(evsel, sample, "prev_pid"),
+ next_pid = evsel__intval(evsel, sample, "next_pid");
if (sched->curr_pid[this_cpu] != (u32)-1) {
/*
@@ -1848,7 +1848,7 @@ static inline void print_sched_time(unsigned long long nsecs, int width)
* returns runtime data for event, allocating memory for it the
* first time it is used.
*/
-static struct evsel_runtime *perf_evsel__get_runtime(struct evsel *evsel)
+static struct evsel_runtime *evsel__get_runtime(struct evsel *evsel)
{
struct evsel_runtime *r = evsel->priv;
@@ -1863,10 +1863,9 @@ static struct evsel_runtime *perf_evsel__get_runtime(struct evsel *evsel)
/*
* save last time event was seen per cpu
*/
-static void perf_evsel__save_time(struct evsel *evsel,
- u64 timestamp, u32 cpu)
+static void evsel__save_time(struct evsel *evsel, u64 timestamp, u32 cpu)
{
- struct evsel_runtime *r = perf_evsel__get_runtime(evsel);
+ struct evsel_runtime *r = evsel__get_runtime(evsel);
if (r == NULL)
return;
@@ -1890,9 +1889,9 @@ static void perf_evsel__save_time(struct evsel *evsel,
}
/* returns last time this event was seen on the given cpu */
-static u64 perf_evsel__get_time(struct evsel *evsel, u32 cpu)
+static u64 evsel__get_time(struct evsel *evsel, u32 cpu)
{
- struct evsel_runtime *r = perf_evsel__get_runtime(evsel);
+ struct evsel_runtime *r = evsel__get_runtime(evsel);
if ((r == NULL) || (r->last_time == NULL) || (cpu >= r->ncpu))
return 0;
@@ -2004,8 +2003,8 @@ static void timehist_print_sample(struct perf_sched *sched,
u64 t, int state)
{
struct thread_runtime *tr = thread__priv(thread);
- const char *next_comm = perf_evsel__strval(evsel, sample, "next_comm");
- const u32 next_pid = perf_evsel__intval(evsel, sample, "next_pid");
+ const char *next_comm = evsel__strval(evsel, sample, "next_comm");
+ const u32 next_pid = evsel__intval(evsel, sample, "next_pid");
u32 max_cpus = sched->max_cpu + 1;
char tstr[64];
char nstr[30];
@@ -2136,8 +2135,8 @@ static bool is_idle_sample(struct perf_sample *sample,
struct evsel *evsel)
{
/* pid 0 == swapper == idle task */
- if (strcmp(perf_evsel__name(evsel), "sched:sched_switch") == 0)
- return perf_evsel__intval(evsel, sample, "prev_pid") == 0;
+ if (strcmp(evsel__name(evsel), "sched:sched_switch") == 0)
+ return evsel__intval(evsel, sample, "prev_pid") == 0;
return sample->pid == 0;
}
@@ -2334,7 +2333,7 @@ static struct thread *timehist_get_thread(struct perf_sched *sched,
itr->last_thread = thread;
/* copy task callchain when entering to idle */
- if (perf_evsel__intval(evsel, sample, "next_pid") == 0)
+ if (evsel__intval(evsel, sample, "next_pid") == 0)
save_idle_callchain(sched, itr, sample);
}
}
@@ -2355,10 +2354,10 @@ static bool timehist_skip_sample(struct perf_sched *sched,
}
if (sched->idle_hist) {
- if (strcmp(perf_evsel__name(evsel), "sched:sched_switch"))
+ if (strcmp(evsel__name(evsel), "sched:sched_switch"))
rc = true;
- else if (perf_evsel__intval(evsel, sample, "prev_pid") != 0 &&
- perf_evsel__intval(evsel, sample, "next_pid") != 0)
+ else if (evsel__intval(evsel, sample, "prev_pid") != 0 &&
+ evsel__intval(evsel, sample, "next_pid") != 0)
rc = true;
}
@@ -2409,7 +2408,7 @@ static int timehist_sched_wakeup_event(struct perf_tool *tool,
struct thread *thread;
struct thread_runtime *tr = NULL;
/* want pid of awakened task not pid in sample */
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
thread = machine__findnew_thread(machine, 0, pid);
if (thread == NULL)
@@ -2445,8 +2444,8 @@ static void timehist_print_migration_event(struct perf_sched *sched,
return;
max_cpus = sched->max_cpu + 1;
- ocpu = perf_evsel__intval(evsel, sample, "orig_cpu");
- dcpu = perf_evsel__intval(evsel, sample, "dest_cpu");
+ ocpu = evsel__intval(evsel, sample, "orig_cpu");
+ dcpu = evsel__intval(evsel, sample, "dest_cpu");
thread = machine__findnew_thread(machine, sample->pid, sample->tid);
if (thread == NULL)
@@ -2493,7 +2492,7 @@ static int timehist_migrate_task_event(struct perf_tool *tool,
struct thread *thread;
struct thread_runtime *tr = NULL;
/* want pid of migrated task not pid in sample */
- const u32 pid = perf_evsel__intval(evsel, sample, "pid");
+ const u32 pid = evsel__intval(evsel, sample, "pid");
thread = machine__findnew_thread(machine, 0, pid);
if (thread == NULL)
@@ -2524,8 +2523,7 @@ static int timehist_sched_change_event(struct perf_tool *tool,
struct thread_runtime *tr = NULL;
u64 tprev, t = sample->time;
int rc = 0;
- int state = perf_evsel__intval(evsel, sample, "prev_state");
-
+ int state = evsel__intval(evsel, sample, "prev_state");
if (machine__resolve(machine, &al, sample) < 0) {
pr_err("problem processing %d event. skipping it\n",
@@ -2549,7 +2547,7 @@ static int timehist_sched_change_event(struct perf_tool *tool,
goto out;
}
- tprev = perf_evsel__get_time(evsel, sample->cpu);
+ tprev = evsel__get_time(evsel, sample->cpu);
/*
* If start time given:
@@ -2632,7 +2630,7 @@ out:
tr->ready_to_run = 0;
}
- perf_evsel__save_time(evsel, sample->time, sample->cpu);
+ evsel__save_time(evsel, sample->time, sample->cpu);
return rc;
}
@@ -2942,7 +2940,7 @@ static int timehist_check_attr(struct perf_sched *sched,
struct evsel_runtime *er;
list_for_each_entry(evsel, &evlist->core.entries, core.node) {
- er = perf_evsel__get_runtime(evsel);
+ er = evsel__get_runtime(evsel);
if (er == NULL) {
pr_err("Failed to allocate memory for evsel runtime data\n");
return -1;
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 1f57a7ecdf3d..56d7bcd12671 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -273,7 +273,7 @@ static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
struct evsel_script *es = zalloc(sizeof(*es));
if (es != NULL) {
- if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
+ if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
goto out_free;
es->fp = fopen(es->filename, "w");
if (es->fp == NULL)
@@ -351,10 +351,8 @@ static const char *output_field2str(enum perf_output_field field)
#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
-static int perf_evsel__do_check_stype(struct evsel *evsel,
- u64 sample_type, const char *sample_msg,
- enum perf_output_field field,
- bool allow_user_set)
+static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
+ enum perf_output_field field, bool allow_user_set)
{
struct perf_event_attr *attr = &evsel->core.attr;
int type = output_type(attr->type);
@@ -366,7 +364,7 @@ static int perf_evsel__do_check_stype(struct evsel *evsel,
if (output[type].user_set_fields & field) {
if (allow_user_set)
return 0;
- evname = perf_evsel__name(evsel);
+ evname = evsel__name(evsel);
pr_err("Samples for '%s' event do not have %s attribute set. "
"Cannot print '%s' field.\n",
evname, sample_msg, output_field2str(field));
@@ -375,7 +373,7 @@ static int perf_evsel__do_check_stype(struct evsel *evsel,
/* user did not ask for it explicitly so remove from the default list */
output[type].fields &= ~field;
- evname = perf_evsel__name(evsel);
+ evname = evsel__name(evsel);
pr_debug("Samples for '%s' event do not have %s attribute set. "
"Skipping '%s' field.\n",
evname, sample_msg, output_field2str(field));
@@ -383,16 +381,13 @@ static int perf_evsel__do_check_stype(struct evsel *evsel,
return 0;
}
-static int perf_evsel__check_stype(struct evsel *evsel,
- u64 sample_type, const char *sample_msg,
- enum perf_output_field field)
+static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
+ enum perf_output_field field)
{
- return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
- false);
+ return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
}
-static int perf_evsel__check_attr(struct evsel *evsel,
- struct perf_session *session)
+static int perf_evsel__check_attr(struct evsel *evsel, struct perf_session *session)
{
struct perf_event_attr *attr = &evsel->core.attr;
bool allow_user_set;
@@ -404,32 +399,28 @@ static int perf_evsel__check_attr(struct evsel *evsel,
HEADER_AUXTRACE);
if (PRINT_FIELD(TRACE) &&
- !perf_session__has_traces(session, "record -R"))
+ !perf_session__has_traces(session, "record -R"))
return -EINVAL;
if (PRINT_FIELD(IP)) {
- if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
- PERF_OUTPUT_IP))
+ if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
return -EINVAL;
}
if (PRINT_FIELD(ADDR) &&
- perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
- PERF_OUTPUT_ADDR, allow_user_set))
+ evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(DATA_SRC) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
- PERF_OUTPUT_DATA_SRC))
+ evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
return -EINVAL;
if (PRINT_FIELD(WEIGHT) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
- PERF_OUTPUT_WEIGHT))
+ evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT", PERF_OUTPUT_WEIGHT))
return -EINVAL;
if (PRINT_FIELD(SYM) &&
- !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
+ !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
pr_err("Display of symbols requested but neither sample IP nor "
"sample address\navailable. Hence, no addresses to convert "
"to symbols.\n");
@@ -441,7 +432,7 @@ static int perf_evsel__check_attr(struct evsel *evsel,
return -EINVAL;
}
if (PRINT_FIELD(DSO) &&
- !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
+ !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
pr_err("Display of DSO requested but no address to convert.\n");
return -EINVAL;
}
@@ -458,33 +449,27 @@ static int perf_evsel__check_attr(struct evsel *evsel,
return -EINVAL;
}
if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
- PERF_OUTPUT_TID|PERF_OUTPUT_PID))
+ evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
return -EINVAL;
if (PRINT_FIELD(TIME) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
- PERF_OUTPUT_TIME))
+ evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
return -EINVAL;
if (PRINT_FIELD(CPU) &&
- perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
- PERF_OUTPUT_CPU, allow_user_set))
+ evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(IREGS) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
- PERF_OUTPUT_IREGS))
+ evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS))
return -EINVAL;
if (PRINT_FIELD(UREGS) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
- PERF_OUTPUT_UREGS))
+ evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
return -EINVAL;
if (PRINT_FIELD(PHYS_ADDR) &&
- perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
- PERF_OUTPUT_PHYS_ADDR))
+ evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR))
return -EINVAL;
return 0;
@@ -604,8 +589,6 @@ static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
}
- fprintf(fp, "\n");
-
return printed;
}
@@ -1697,6 +1680,7 @@ struct perf_script {
bool show_cgroup_events;
bool allocated;
bool per_event_dump;
+ bool stitch_lbr;
struct evswitch evswitch;
struct perf_cpu_map *cpus;
struct perf_thread_map *threads;
@@ -1713,7 +1697,7 @@ static int perf_evlist__max_name_len(struct evlist *evlist)
int max = 0;
evlist__for_each_entry(evlist, evsel) {
- int len = strlen(perf_evsel__name(evsel));
+ int len = strlen(evsel__name(evsel));
max = MAX(len, max);
}
@@ -1887,7 +1871,7 @@ static void process_event(struct perf_script *script,
fprintf(fp, "%10" PRIu64 " ", sample->period);
if (PRINT_FIELD(EVNAME)) {
- const char *evname = perf_evsel__name(evsel);
+ const char *evname = evsel__name(evsel);
if (!script->name_width)
script->name_width = perf_evlist__max_name_len(script->session->evlist);
@@ -1923,6 +1907,9 @@ static void process_event(struct perf_script *script,
if (PRINT_FIELD(IP)) {
struct callchain_cursor *cursor = NULL;
+ if (script->stitch_lbr)
+ al->thread->lbr_stitch_enable = true;
+
if (symbol_conf.use_callchain && sample->callchain &&
thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
sample, NULL, NULL, scripting_max_stack) == 0)
@@ -1946,7 +1933,7 @@ static void process_event(struct perf_script *script,
else if (PRINT_FIELD(BRSTACKOFF))
perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
- if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
+ if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
perf_sample__fprintf_bpf_output(sample, fp);
perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
@@ -1975,7 +1962,7 @@ static struct scripting_ops *scripting_ops;
static void __process_stat(struct evsel *counter, u64 tstamp)
{
int nthreads = perf_thread_map__nr(counter->core.threads);
- int ncpus = perf_evsel__nr_cpus(counter);
+ int ncpus = evsel__nr_cpus(counter);
int cpu, thread;
static int header_printed;
@@ -2001,7 +1988,7 @@ static void __process_stat(struct evsel *counter, u64 tstamp)
counts->ena,
counts->run,
tstamp,
- perf_evsel__name(counter));
+ evsel__name(counter));
}
}
}
@@ -2040,7 +2027,7 @@ static int cleanup_scripting(void)
static bool filter_cpu(struct perf_sample *sample)
{
- if (cpu_list)
+ if (cpu_list && sample->cpu != (u32)-1)
return !test_bit(sample->cpu, cpu_bitmap);
return false;
}
@@ -2138,41 +2125,59 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
return err;
}
-static int process_comm_event(struct perf_tool *tool,
- union perf_event *event,
- struct perf_sample *sample,
- struct machine *machine)
+static int print_event_with_time(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine,
+ pid_t pid, pid_t tid, u64 timestamp)
{
- struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- int ret = -1;
+ struct thread *thread = NULL;
- thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
- if (thread == NULL) {
- pr_debug("problem processing COMM event, skipping it.\n");
- return -1;
+ if (evsel && !evsel->core.attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = timestamp;
+ sample->pid = pid;
+ sample->tid = tid;
}
- if (perf_event__process_comm(tool, event, sample, machine) < 0)
- goto out;
+ if (filter_cpu(sample))
+ return 0;
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->comm.tid;
- sample->pid = event->comm.pid;
- }
- if (!filter_cpu(sample)) {
+ if (tid != -1)
+ thread = machine__findnew_thread(machine, pid, tid);
+
+ if (thread && evsel) {
perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_COMM, stdout);
- perf_event__fprintf(event, stdout);
+ event->header.type, stdout);
}
- ret = 0;
-out:
+
+ perf_event__fprintf(event, stdout);
+
thread__put(thread);
- return ret;
+
+ return 0;
+}
+
+static int print_event(struct perf_tool *tool, union perf_event *event,
+ struct perf_sample *sample, struct machine *machine,
+ pid_t pid, pid_t tid)
+{
+ return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
+}
+
+static int process_comm_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ if (perf_event__process_comm(tool, event, sample, machine) < 0)
+ return -1;
+
+ return print_event(tool, event, sample, machine, event->comm.pid,
+ event->comm.tid);
}
static int process_namespaces_event(struct perf_tool *tool,
@@ -2180,37 +2185,11 @@ static int process_namespaces_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- int ret = -1;
-
- thread = machine__findnew_thread(machine, event->namespaces.pid,
- event->namespaces.tid);
- if (thread == NULL) {
- pr_debug("problem processing NAMESPACES event, skipping it.\n");
- return -1;
- }
-
if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
- goto out;
+ return -1;
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->namespaces.tid;
- sample->pid = event->namespaces.pid;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_NAMESPACES, stdout);
- perf_event__fprintf(event, stdout);
- }
- ret = 0;
-out:
- thread__put(thread);
- return ret;
+ return print_event(tool, event, sample, machine, event->namespaces.pid,
+ event->namespaces.tid);
}
static int process_cgroup_event(struct perf_tool *tool,
@@ -2218,34 +2197,11 @@ static int process_cgroup_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- int ret = -1;
-
- thread = machine__findnew_thread(machine, sample->pid, sample->tid);
- if (thread == NULL) {
- pr_debug("problem processing CGROUP event, skipping it.\n");
- return -1;
- }
-
if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
- goto out;
+ return -1;
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_CGROUP, stdout);
- perf_event__fprintf(event, stdout);
- }
- ret = 0;
-out:
- thread__put(thread);
- return ret;
+ return print_event(tool, event, sample, machine, sample->pid,
+ sample->tid);
}
static int process_fork_event(struct perf_tool *tool,
@@ -2253,69 +2209,24 @@ static int process_fork_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
-
if (perf_event__process_fork(tool, event, sample, machine) < 0)
return -1;
- thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
- if (thread == NULL) {
- pr_debug("problem processing FORK event, skipping it.\n");
- return -1;
- }
-
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = event->fork.time;
- sample->tid = event->fork.tid;
- sample->pid = event->fork.pid;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_FORK, stdout);
- perf_event__fprintf(event, stdout);
- }
- thread__put(thread);
-
- return 0;
+ return print_event_with_time(tool, event, sample, machine,
+ event->fork.pid, event->fork.tid,
+ event->fork.time);
}
static int process_exit_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
- int err = 0;
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
-
- thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
- if (thread == NULL) {
- pr_debug("problem processing EXIT event, skipping it.\n");
+ /* Print before 'exit' deletes anything */
+ if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
+ event->fork.tid, event->fork.time))
return -1;
- }
-
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->fork.tid;
- sample->pid = event->fork.pid;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_EXIT, stdout);
- perf_event__fprintf(event, stdout);
- }
-
- if (perf_event__process_exit(tool, event, sample, machine) < 0)
- err = -1;
- thread__put(thread);
- return err;
+ return perf_event__process_exit(tool, event, sample, machine);
}
static int process_mmap_event(struct perf_tool *tool,
@@ -2323,33 +2234,11 @@ static int process_mmap_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
-
if (perf_event__process_mmap(tool, event, sample, machine) < 0)
return -1;
- thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
- if (thread == NULL) {
- pr_debug("problem processing MMAP event, skipping it.\n");
- return -1;
- }
-
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->mmap.tid;
- sample->pid = event->mmap.pid;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_MMAP, stdout);
- perf_event__fprintf(event, stdout);
- }
- thread__put(thread);
- return 0;
+ return print_event(tool, event, sample, machine, event->mmap.pid,
+ event->mmap.tid);
}
static int process_mmap2_event(struct perf_tool *tool,
@@ -2357,33 +2246,11 @@ static int process_mmap2_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
-
if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
return -1;
- thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
- if (thread == NULL) {
- pr_debug("problem processing MMAP2 event, skipping it.\n");
- return -1;
- }
-
- if (!evsel->core.attr.sample_id_all) {
- sample->cpu = 0;
- sample->time = 0;
- sample->tid = event->mmap2.tid;
- sample->pid = event->mmap2.pid;
- }
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_MMAP2, stdout);
- perf_event__fprintf(event, stdout);
- }
- thread__put(thread);
- return 0;
+ return print_event(tool, event, sample, machine, event->mmap2.pid,
+ event->mmap2.tid);
}
static int process_switch_event(struct perf_tool *tool,
@@ -2391,10 +2258,7 @@ static int process_switch_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
if (perf_event__process_switch(tool, event, sample, machine) < 0)
return -1;
@@ -2405,20 +2269,8 @@ static int process_switch_event(struct perf_tool *tool,
if (!script->show_switch_events)
return 0;
- thread = machine__findnew_thread(machine, sample->pid,
- sample->tid);
- if (thread == NULL) {
- pr_debug("problem processing SWITCH event, skipping it.\n");
- return -1;
- }
-
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_SWITCH, stdout);
- perf_event__fprintf(event, stdout);
- }
- thread__put(thread);
- return 0;
+ return print_event(tool, event, sample, machine, sample->pid,
+ sample->tid);
}
static int
@@ -2427,23 +2279,8 @@ process_lost_event(struct perf_tool *tool,
struct perf_sample *sample,
struct machine *machine)
{
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
- struct thread *thread;
-
- thread = machine__findnew_thread(machine, sample->pid,
- sample->tid);
- if (thread == NULL)
- return -1;
-
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- PERF_RECORD_LOST, stdout);
- perf_event__fprintf(event, stdout);
- }
- thread__put(thread);
- return 0;
+ return print_event(tool, event, sample, machine, sample->pid,
+ sample->tid);
}
static int
@@ -2462,33 +2299,11 @@ process_bpf_events(struct perf_tool *tool __maybe_unused,
struct perf_sample *sample,
struct machine *machine)
{
- struct thread *thread;
- struct perf_script *script = container_of(tool, struct perf_script, tool);
- struct perf_session *session = script->session;
- struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
-
if (machine__process_ksymbol(machine, event, sample) < 0)
return -1;
- if (!evsel->core.attr.sample_id_all) {
- perf_event__fprintf(event, stdout);
- return 0;
- }
-
- thread = machine__findnew_thread(machine, sample->pid, sample->tid);
- if (thread == NULL) {
- pr_debug("problem processing MMAP event, skipping it.\n");
- return -1;
- }
-
- if (!filter_cpu(sample)) {
- perf_sample__fprintf_start(sample, thread, evsel,
- event->header.type, stdout);
- perf_event__fprintf(event, stdout);
- }
-
- thread__put(thread);
- return 0;
+ return print_event(tool, event, sample, machine, sample->pid,
+ sample->tid);
}
static void sig_handler(int sig __maybe_unused)
@@ -3145,7 +2960,7 @@ static int check_ev_match(char *dir_name, char *scriptname,
match = 0;
evlist__for_each_entry(session->evlist, pos) {
- if (!strcmp(perf_evsel__name(pos), evname)) {
+ if (!strcmp(evsel__name(pos), evname)) {
match = 1;
break;
}
@@ -3342,6 +3157,12 @@ static void script__setup_sample_type(struct perf_script *script)
else
callchain_param.record_mode = CALLCHAIN_FP;
}
+
+ if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
+ pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
+ "Please apply --call-graph lbr when recording.\n");
+ script->stitch_lbr = false;
+ }
}
static int process_stat_round_event(struct perf_session *session,
@@ -3653,6 +3474,8 @@ int cmd_script(int argc, const char **argv)
"file", "file saving guest os /proc/kallsyms"),
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
"file", "file saving guest os /proc/modules"),
+ OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
+ "Enable LBR callgraph stitching approach"),
OPTS_EVSWITCH(&script.evswitch),
OPT_END()
};
@@ -3709,7 +3532,7 @@ int cmd_script(int argc, const char **argv)
return -1;
}
- if (itrace_synth_opts.callchain &&
+ if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
itrace_synth_opts.callchain_sz > scripting_max_stack)
scripting_max_stack = itrace_synth_opts.callchain_sz;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index ec053dc1e35c..e0c1ad23c768 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -238,9 +238,8 @@ static int write_stat_round_event(u64 tm, u64 type)
#define SID(e, x, y) xyarray__entry(e->core.sample_id, x, y)
-static int
-perf_evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread,
- struct perf_counts_values *count)
+static int evsel__write_stat_event(struct evsel *counter, u32 cpu, u32 thread,
+ struct perf_counts_values *count)
{
struct perf_sample_id *sid = SID(counter, cpu, thread);
@@ -259,7 +258,7 @@ static int read_single_counter(struct evsel *counter, int cpu,
count->val = val;
return 0;
}
- return perf_evsel__read_counter(counter, cpu, thread);
+ return evsel__read_counter(counter, cpu, thread);
}
/*
@@ -284,7 +283,7 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
/*
* The leader's group read loads data into its group members
- * (via perf_evsel__read_counter()) and sets their count->loaded.
+ * (via evsel__read_counter()) and sets their count->loaded.
*/
if (!perf_counts__is_loaded(counter->counts, cpu, thread) &&
read_single_counter(counter, cpu, thread, rs)) {
@@ -297,7 +296,7 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
perf_counts__set_loaded(counter->counts, cpu, thread, false);
if (STAT_RECORD) {
- if (perf_evsel__write_stat_event(counter, cpu, thread, count)) {
+ if (evsel__write_stat_event(counter, cpu, thread, count)) {
pr_err("failed to write stat event\n");
return -1;
}
@@ -306,7 +305,7 @@ static int read_counter_cpu(struct evsel *counter, struct timespec *rs, int cpu)
if (verbose > 1) {
fprintf(stat_config.output,
"%s: %d: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
- perf_evsel__name(counter),
+ evsel__name(counter),
cpu,
count->val, count->ena, count->run);
}
@@ -359,6 +358,7 @@ static void process_interval(void)
clock_gettime(CLOCK_MONOTONIC, &ts);
diff_timespec(&rs, &ts, &ref_time);
+ perf_stat__reset_shadow_per_stat(&rt_stat);
read_counters(&rs);
if (STAT_RECORD) {
@@ -409,7 +409,7 @@ static void workload_exec_failed_signal(int signo __maybe_unused, siginfo_t *inf
workload_exec_errno = info->si_value.sival_int;
}
-static bool perf_evsel__should_store_id(struct evsel *counter)
+static bool evsel__should_store_id(struct evsel *counter)
{
return STAT_RECORD || counter->core.attr.read_format & PERF_FORMAT_ID;
}
@@ -454,7 +454,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter)
errno == ENXIO) {
if (verbose > 0)
ui__warning("%s event is not supported by the kernel.\n",
- perf_evsel__name(counter));
+ evsel__name(counter));
counter->supported = false;
/*
* errored is a sticky flag that means one of the counter's
@@ -465,7 +465,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter)
if ((counter->leader != counter) ||
!(counter->leader->core.nr_members > 1))
return COUNTER_SKIP;
- } else if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
+ } else if (evsel__fallback(counter, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
return COUNTER_RETRY;
@@ -483,8 +483,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter)
}
}
- perf_evsel__open_strerror(counter, &target,
- errno, msg, sizeof(msg));
+ evsel__open_strerror(counter, &target, errno, msg, sizeof(msg));
ui__error("%s\n", msg);
if (child_pid != -1)
@@ -604,7 +603,7 @@ try_again:
if (!counter->reset_group)
continue;
try_again_reset:
- pr_debug2("reopening weak %s\n", perf_evsel__name(counter));
+ pr_debug2("reopening weak %s\n", evsel__name(counter));
if (create_perf_stat_counter(counter, &stat_config, &target,
counter->cpu_iter - 1) < 0) {
@@ -635,14 +634,14 @@ try_again_reset:
if (l > stat_config.unit_width)
stat_config.unit_width = l;
- if (perf_evsel__should_store_id(counter) &&
- perf_evsel__store_ids(counter, evsel_list))
+ if (evsel__should_store_id(counter) &&
+ evsel__store_ids(counter, evsel_list))
return -1;
}
if (perf_evlist__apply_filters(evsel_list, &counter)) {
pr_err("failed to set filter \"%s\" on event %s with %d (%s)\n",
- counter->filter, perf_evsel__name(counter), errno,
+ counter->filter, evsel__name(counter), errno,
str_error_r(errno, msg, sizeof(msg)));
return -1;
}
@@ -686,8 +685,11 @@ try_again_reset:
break;
}
}
- if (child_pid != -1)
+ if (child_pid != -1) {
+ if (timeout)
+ kill(child_pid, SIGTERM);
wait4(child_pid, &status, 0, &stat_config.ru_data);
+ }
if (workload_exec_errno) {
const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg));
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 9e84fae9b096..c76f84b174c4 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -579,8 +579,8 @@ process_sample_cpu_idle(struct timechart *tchart __maybe_unused,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
- u32 state = perf_evsel__intval(evsel, sample, "state");
- u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
+ u32 state = evsel__intval(evsel, sample, "state");
+ u32 cpu_id = evsel__intval(evsel, sample, "cpu_id");
if (state == (u32)PWR_EVENT_EXIT)
c_state_end(tchart, cpu_id, sample->time);
@@ -595,8 +595,8 @@ process_sample_cpu_frequency(struct timechart *tchart,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
- u32 state = perf_evsel__intval(evsel, sample, "state");
- u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
+ u32 state = evsel__intval(evsel, sample, "state");
+ u32 cpu_id = evsel__intval(evsel, sample, "cpu_id");
p_state_change(tchart, cpu_id, sample->time, state);
return 0;
@@ -608,9 +608,9 @@ process_sample_sched_wakeup(struct timechart *tchart,
struct perf_sample *sample,
const char *backtrace)
{
- u8 flags = perf_evsel__intval(evsel, sample, "common_flags");
- int waker = perf_evsel__intval(evsel, sample, "common_pid");
- int wakee = perf_evsel__intval(evsel, sample, "pid");
+ u8 flags = evsel__intval(evsel, sample, "common_flags");
+ int waker = evsel__intval(evsel, sample, "common_pid");
+ int wakee = evsel__intval(evsel, sample, "pid");
sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace);
return 0;
@@ -622,9 +622,9 @@ process_sample_sched_switch(struct timechart *tchart,
struct perf_sample *sample,
const char *backtrace)
{
- int prev_pid = perf_evsel__intval(evsel, sample, "prev_pid");
- int next_pid = perf_evsel__intval(evsel, sample, "next_pid");
- u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state");
+ int prev_pid = evsel__intval(evsel, sample, "prev_pid");
+ int next_pid = evsel__intval(evsel, sample, "next_pid");
+ u64 prev_state = evsel__intval(evsel, sample, "prev_state");
sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid,
prev_state, backtrace);
@@ -638,8 +638,8 @@ process_sample_power_start(struct timechart *tchart __maybe_unused,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
- u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
- u64 value = perf_evsel__intval(evsel, sample, "value");
+ u64 cpu_id = evsel__intval(evsel, sample, "cpu_id");
+ u64 value = evsel__intval(evsel, sample, "value");
c_state_start(cpu_id, sample->time, value);
return 0;
@@ -661,8 +661,8 @@ process_sample_power_frequency(struct timechart *tchart,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
- u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
- u64 value = perf_evsel__intval(evsel, sample, "value");
+ u64 cpu_id = evsel__intval(evsel, sample, "cpu_id");
+ u64 value = evsel__intval(evsel, sample, "value");
p_state_change(tchart, cpu_id, sample->time, value);
return 0;
@@ -843,7 +843,7 @@ process_enter_read(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_READ,
sample->time, fd);
}
@@ -853,7 +853,7 @@ process_exit_read(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_READ,
sample->time, ret);
}
@@ -863,7 +863,7 @@ process_enter_write(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_WRITE,
sample->time, fd);
}
@@ -873,7 +873,7 @@ process_exit_write(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_WRITE,
sample->time, ret);
}
@@ -883,7 +883,7 @@ process_enter_sync(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_SYNC,
sample->time, fd);
}
@@ -893,7 +893,7 @@ process_exit_sync(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_SYNC,
sample->time, ret);
}
@@ -903,7 +903,7 @@ process_enter_tx(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_TX,
sample->time, fd);
}
@@ -913,7 +913,7 @@ process_exit_tx(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_TX,
sample->time, ret);
}
@@ -923,7 +923,7 @@ process_enter_rx(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_RX,
sample->time, fd);
}
@@ -933,7 +933,7 @@ process_exit_rx(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_RX,
sample->time, ret);
}
@@ -943,7 +943,7 @@ process_enter_poll(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long fd = perf_evsel__intval(evsel, sample, "fd");
+ long fd = evsel__intval(evsel, sample, "fd");
return pid_begin_io_sample(tchart, sample->tid, IOTYPE_POLL,
sample->time, fd);
}
@@ -953,7 +953,7 @@ process_exit_poll(struct timechart *tchart,
struct evsel *evsel,
struct perf_sample *sample)
{
- long ret = perf_evsel__intval(evsel, sample, "ret");
+ long ret = evsel__intval(evsel, sample, "ret");
return pid_end_io_sample(tchart, sample->tid, IOTYPE_POLL,
sample->time, ret);
}
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 289cf83e658a..372c38254654 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -33,6 +33,7 @@
#include "util/map.h"
#include "util/mmap.h"
#include "util/session.h"
+#include "util/thread.h"
#include "util/symbol.h"
#include "util/synthetic-events.h"
#include "util/top.h"
@@ -254,7 +255,7 @@ static void perf_top__show_details(struct perf_top *top)
if (notes->src == NULL)
goto out_unlock;
- printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name);
+ printf("Showing %s for %s\n", evsel__name(top->sym_evsel), symbol->name);
printf(" Events Pcnt (>=%d%%)\n", top->annotation_opts.min_pcnt);
more = symbol__annotate_printf(&he->ms, top->sym_evsel, &top->annotation_opts);
@@ -297,8 +298,7 @@ static void perf_top__resort_hists(struct perf_top *t)
hists__collapse_resort(hists, NULL);
/* Non-group events are considered as leader */
- if (symbol_conf.event_group &&
- !perf_evsel__is_group_leader(pos)) {
+ if (symbol_conf.event_group && !evsel__is_group_leader(pos)) {
struct hists *leader_hists = evsel__hists(pos->leader);
hists__match(leader_hists, hists);
@@ -441,7 +441,7 @@ static void perf_top__print_mapped_keys(struct perf_top *top)
fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries);
if (top->evlist->core.nr_entries > 1)
- fprintf(stdout, "\t[E] active event counter. \t(%s)\n", perf_evsel__name(top->sym_evsel));
+ fprintf(stdout, "\t[E] active event counter. \t(%s)\n", evsel__name(top->sym_evsel));
fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter);
@@ -528,13 +528,13 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c)
fprintf(stderr, "\nAvailable events:");
evlist__for_each_entry(top->evlist, top->sym_evsel)
- fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel));
+ fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, evsel__name(top->sym_evsel));
prompt_integer(&counter, "Enter details event counter");
if (counter >= top->evlist->core.nr_entries) {
top->sym_evsel = evlist__first(top->evlist);
- fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel));
+ fprintf(stderr, "Sorry, no such event, using %s.\n", evsel__name(top->sym_evsel));
sleep(1);
break;
}
@@ -775,6 +775,9 @@ static void perf_event__process_sample(struct perf_tool *tool,
if (machine__resolve(machine, &al, sample) < 0)
return;
+ if (top->stitch_lbr)
+ al.thread->lbr_stitch_enable = true;
+
if (!machine->kptr_restrict_warned &&
symbol_conf.kptr_restrict &&
al.cpumode == PERF_RECORD_MISC_KERNEL) {
@@ -1042,14 +1045,13 @@ try_again:
perf_top_overwrite_fallback(top, counter))
goto try_again;
- if (perf_evsel__fallback(counter, errno, msg, sizeof(msg))) {
+ if (evsel__fallback(counter, errno, msg, sizeof(msg))) {
if (verbose > 0)
ui__warning("%s\n", msg);
goto try_again;
}
- perf_evsel__open_strerror(counter, &opts->target,
- errno, msg, sizeof(msg));
+ evsel__open_strerror(counter, &opts->target, errno, msg, sizeof(msg));
ui__error("%s\n", msg);
goto out_err;
}
@@ -1571,10 +1573,11 @@ int cmd_top(int argc, const char **argv)
"Sort the output by the event at the index n in group. "
"If n is invalid, sort by the first event. "
"WARNING: should be used on grouped events."),
+ OPT_BOOLEAN(0, "stitch-lbr", &top.stitch_lbr,
+ "Enable LBR callgraph stitching approach"),
OPTS_EVSWITCH(&top.evswitch),
OPT_END()
};
- struct evlist *sb_evlist = NULL;
const char * const top_usage[] = {
"perf top [<options>]",
NULL
@@ -1640,6 +1643,11 @@ int cmd_top(int argc, const char **argv)
}
}
+ if (top.stitch_lbr && !(callchain_param.record_mode == CALLCHAIN_LBR)) {
+ pr_err("Error: --stitch-lbr must be used with --call-graph lbr\n");
+ goto out_delete_evlist;
+ }
+
if (opts->branch_stack && callchain_param.enabled)
symbol_conf.show_branchflag_count = true;
@@ -1732,10 +1740,21 @@ int cmd_top(int argc, const char **argv)
goto out_delete_evlist;
}
- if (!top.record_opts.no_bpf_event)
- bpf_event__add_sb_event(&sb_evlist, &perf_env);
+ if (!top.record_opts.no_bpf_event) {
+ top.sb_evlist = evlist__new();
+
+ if (top.sb_evlist == NULL) {
+ pr_err("Couldn't create side band evlist.\n.");
+ goto out_delete_evlist;
+ }
+
+ if (evlist__add_bpf_sb_event(top.sb_evlist, &perf_env)) {
+ pr_err("Couldn't ask for PERF_RECORD_BPF_EVENT side band events.\n.");
+ goto out_delete_evlist;
+ }
+ }
- if (perf_evlist__start_sb_thread(sb_evlist, target)) {
+ if (perf_evlist__start_sb_thread(top.sb_evlist, target)) {
pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
opts->no_bpf_event = true;
}
@@ -1743,7 +1762,7 @@ int cmd_top(int argc, const char **argv)
status = __cmd_top(&top);
if (!opts->no_bpf_event)
- perf_evlist__stop_sb_thread(sb_evlist);
+ perf_evlist__stop_sb_thread(top.sb_evlist);
out_delete_evlist:
evlist__delete(top.evlist);
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 01d542007c8b..a46efb907bd4 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -366,11 +366,9 @@ out_delete:
return NULL;
}
-static int perf_evsel__init_tp_uint_field(struct evsel *evsel,
- struct tp_field *field,
- const char *name)
+static int evsel__init_tp_uint_field(struct evsel *evsel, struct tp_field *field, const char *name)
{
- struct tep_format_field *format_field = perf_evsel__field(evsel, name);
+ struct tep_format_field *format_field = evsel__field(evsel, name);
if (format_field == NULL)
return -1;
@@ -380,13 +378,11 @@ static int perf_evsel__init_tp_uint_field(struct evsel *evsel,
#define perf_evsel__init_sc_tp_uint_field(evsel, name) \
({ struct syscall_tp *sc = __evsel__syscall_tp(evsel);\
- perf_evsel__init_tp_uint_field(evsel, &sc->name, #name); })
+ evsel__init_tp_uint_field(evsel, &sc->name, #name); })
-static int perf_evsel__init_tp_ptr_field(struct evsel *evsel,
- struct tp_field *field,
- const char *name)
+static int evsel__init_tp_ptr_field(struct evsel *evsel, struct tp_field *field, const char *name)
{
- struct tep_format_field *format_field = perf_evsel__field(evsel, name);
+ struct tep_format_field *format_field = evsel__field(evsel, name);
if (format_field == NULL)
return -1;
@@ -396,7 +392,7 @@ static int perf_evsel__init_tp_ptr_field(struct evsel *evsel,
#define perf_evsel__init_sc_tp_ptr_field(evsel, name) \
({ struct syscall_tp *sc = __evsel__syscall_tp(evsel);\
- perf_evsel__init_tp_ptr_field(evsel, &sc->name, #name); })
+ evsel__init_tp_ptr_field(evsel, &sc->name, #name); })
static void evsel__delete_priv(struct evsel *evsel)
{
@@ -404,13 +400,13 @@ static void evsel__delete_priv(struct evsel *evsel)
evsel__delete(evsel);
}
-static int perf_evsel__init_syscall_tp(struct evsel *evsel)
+static int evsel__init_syscall_tp(struct evsel *evsel)
{
struct syscall_tp *sc = evsel__syscall_tp(evsel);
if (sc != NULL) {
- if (perf_evsel__init_tp_uint_field(evsel, &sc->id, "__syscall_nr") &&
- perf_evsel__init_tp_uint_field(evsel, &sc->id, "nr"))
+ if (evsel__init_tp_uint_field(evsel, &sc->id, "__syscall_nr") &&
+ evsel__init_tp_uint_field(evsel, &sc->id, "nr"))
return -ENOENT;
return 0;
}
@@ -418,14 +414,14 @@ static int perf_evsel__init_syscall_tp(struct evsel *evsel)
return -ENOMEM;
}
-static int perf_evsel__init_augmented_syscall_tp(struct evsel *evsel, struct evsel *tp)
+static int evsel__init_augmented_syscall_tp(struct evsel *evsel, struct evsel *tp)
{
struct syscall_tp *sc = evsel__syscall_tp(evsel);
if (sc != NULL) {
- struct tep_format_field *syscall_id = perf_evsel__field(tp, "id");
+ struct tep_format_field *syscall_id = evsel__field(tp, "id");
if (syscall_id == NULL)
- syscall_id = perf_evsel__field(tp, "__syscall_nr");
+ syscall_id = evsel__field(tp, "__syscall_nr");
if (syscall_id == NULL ||
__tp_field__init_uint(&sc->id, syscall_id->size, syscall_id->offset, evsel->needs_swap))
return -EINVAL;
@@ -436,21 +432,21 @@ static int perf_evsel__init_augmented_syscall_tp(struct evsel *evsel, struct evs
return -ENOMEM;
}
-static int perf_evsel__init_augmented_syscall_tp_args(struct evsel *evsel)
+static int evsel__init_augmented_syscall_tp_args(struct evsel *evsel)
{
struct syscall_tp *sc = __evsel__syscall_tp(evsel);
return __tp_field__init_ptr(&sc->args, sc->id.offset + sizeof(u64));
}
-static int perf_evsel__init_augmented_syscall_tp_ret(struct evsel *evsel)
+static int evsel__init_augmented_syscall_tp_ret(struct evsel *evsel)
{
struct syscall_tp *sc = __evsel__syscall_tp(evsel);
return __tp_field__init_uint(&sc->ret, sizeof(u64), sc->id.offset + sizeof(u64), evsel->needs_swap);
}
-static int perf_evsel__init_raw_syscall_tp(struct evsel *evsel, void *handler)
+static int evsel__init_raw_syscall_tp(struct evsel *evsel, void *handler)
{
if (evsel__syscall_tp(evsel) != NULL) {
if (perf_evsel__init_sc_tp_uint_field(evsel, id))
@@ -474,7 +470,7 @@ static struct evsel *perf_evsel__raw_syscall_newtp(const char *direction, void *
if (IS_ERR(evsel))
return NULL;
- if (perf_evsel__init_raw_syscall_tp(evsel, handler))
+ if (evsel__init_raw_syscall_tp(evsel, handler))
goto out_delete;
return evsel;
@@ -1801,7 +1797,7 @@ static int trace__read_syscall_info(struct trace *trace, int id)
return syscall__set_arg_fmts(sc);
}
-static int perf_evsel__init_tp_arg_scnprintf(struct evsel *evsel)
+static int evsel__init_tp_arg_scnprintf(struct evsel *evsel)
{
struct syscall_arg_fmt *fmt = evsel__syscall_arg_fmt(evsel);
@@ -2074,7 +2070,7 @@ static struct syscall *trace__syscall_info(struct trace *trace,
if (verbose > 1) {
static u64 n;
fprintf(trace->output, "Invalid syscall %d id, skipping (%s, %" PRIu64 ") ...\n",
- id, perf_evsel__name(evsel), ++n);
+ id, evsel__name(evsel), ++n);
}
return NULL;
}
@@ -2206,7 +2202,7 @@ static int trace__fprintf_sample(struct trace *trace, struct evsel *evsel,
double ts = (double)sample->time / NSEC_PER_MSEC;
printed += fprintf(trace->output, "%22s %10.3f %s %d/%d [%d]\n",
- perf_evsel__name(evsel), ts,
+ evsel__name(evsel), ts,
thread__comm_str(thread),
sample->pid, sample->tid, sample->cpu);
}
@@ -2382,7 +2378,7 @@ static int trace__fprintf_callchain(struct trace *trace, struct perf_sample *sam
static const char *errno_to_name(struct evsel *evsel, int err)
{
- struct perf_env *env = perf_evsel__env(evsel);
+ struct perf_env *env = evsel__env(evsel);
const char *arch_name = perf_env__arch(env);
return arch_syscalls__strerrno(arch_name, err);
@@ -2513,7 +2509,7 @@ errno_print: {
if (callchain_ret > 0)
trace__fprintf_callchain(trace, sample);
else if (callchain_ret < 0)
- pr_err("Problem processing %s callchain, skipping...\n", perf_evsel__name(evsel));
+ pr_err("Problem processing %s callchain, skipping...\n", evsel__name(evsel));
out:
ttrace->entry_pending = false;
err = 0;
@@ -2531,7 +2527,7 @@ static int trace__vfs_getname(struct trace *trace, struct evsel *evsel,
size_t filename_len, entry_str_len, to_move;
ssize_t remaining_space;
char *pos;
- const char *filename = perf_evsel__rawptr(evsel, sample, "pathname");
+ const char *filename = evsel__rawptr(evsel, sample, "pathname");
if (!thread)
goto out;
@@ -2587,7 +2583,7 @@ static int trace__sched_stat_runtime(struct trace *trace, struct evsel *evsel,
union perf_event *event __maybe_unused,
struct perf_sample *sample)
{
- u64 runtime = perf_evsel__intval(evsel, sample, "runtime");
+ u64 runtime = evsel__intval(evsel, sample, "runtime");
double runtime_ms = (double)runtime / NSEC_PER_MSEC;
struct thread *thread = machine__findnew_thread(trace->host,
sample->pid,
@@ -2606,10 +2602,10 @@ out_put:
out_dump:
fprintf(trace->output, "%s: comm=%s,pid=%u,runtime=%" PRIu64 ",vruntime=%" PRIu64 ")\n",
evsel->name,
- perf_evsel__strval(evsel, sample, "comm"),
- (pid_t)perf_evsel__intval(evsel, sample, "pid"),
+ evsel__strval(evsel, sample, "comm"),
+ (pid_t)evsel__intval(evsel, sample, "pid"),
runtime,
- perf_evsel__intval(evsel, sample, "vruntime"));
+ evsel__intval(evsel, sample, "vruntime"));
goto out_put;
}
@@ -2774,7 +2770,7 @@ static int trace__event_handler(struct trace *trace, struct evsel *evsel,
fprintf(trace->output, "%s(", evsel->name);
- if (perf_evsel__is_bpf_output(evsel)) {
+ if (evsel__is_bpf_output(evsel)) {
bpf_output__fprintf(trace, sample);
} else if (evsel->tp_format) {
if (strncmp(evsel->tp_format->name, "sys_enter_", 10) ||
@@ -2795,7 +2791,7 @@ newline:
if (callchain_ret > 0)
trace__fprintf_callchain(trace, sample);
else if (callchain_ret < 0)
- pr_err("Problem processing %s callchain, skipping...\n", perf_evsel__name(evsel));
+ pr_err("Problem processing %s callchain, skipping...\n", evsel__name(evsel));
++trace->nr_events_printed;
@@ -2890,7 +2886,7 @@ static int trace__pgfault(struct trace *trace,
if (callchain_ret > 0)
trace__fprintf_callchain(trace, sample);
else if (callchain_ret < 0)
- pr_err("Problem processing %s callchain, skipping...\n", perf_evsel__name(evsel));
+ pr_err("Problem processing %s callchain, skipping...\n", evsel__name(evsel));
++trace->nr_events_printed;
out:
@@ -3032,10 +3028,10 @@ static bool evlist__add_vfs_getname(struct evlist *evlist)
}
evlist__for_each_entry_safe(evlist, evsel, tmp) {
- if (!strstarts(perf_evsel__name(evsel), "probe:vfs_getname"))
+ if (!strstarts(evsel__name(evsel), "probe:vfs_getname"))
continue;
- if (perf_evsel__field(evsel, "pathname")) {
+ if (evsel__field(evsel, "pathname")) {
evsel->handler = trace__vfs_getname;
found = true;
continue;
@@ -3093,7 +3089,7 @@ static void trace__handle_event(struct trace *trace, union perf_event *event, st
if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT &&
sample->raw_data == NULL) {
fprintf(trace->output, "%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
- perf_evsel__name(evsel), sample->tid,
+ evsel__name(evsel), sample->tid,
sample->cpu, sample->raw_size);
} else {
tracepoint_handler handler = evsel->handler;
@@ -3124,8 +3120,8 @@ static int trace__add_syscall_newtp(struct trace *trace)
if (perf_evsel__init_sc_tp_uint_field(sys_exit, ret))
goto out_delete_sys_exit;
- perf_evsel__config_callchain(sys_enter, &trace->opts, &callchain_param);
- perf_evsel__config_callchain(sys_exit, &trace->opts, &callchain_param);
+ evsel__config_callchain(sys_enter, &trace->opts, &callchain_param);
+ evsel__config_callchain(sys_exit, &trace->opts, &callchain_param);
evlist__add(evlist, sys_enter);
evlist__add(evlist, sys_exit);
@@ -3164,10 +3160,9 @@ static int trace__set_ev_qualifier_tp_filter(struct trace *trace)
if (filter == NULL)
goto out_enomem;
- if (!perf_evsel__append_tp_filter(trace->syscalls.events.sys_enter,
- filter)) {
+ if (!evsel__append_tp_filter(trace->syscalls.events.sys_enter, filter)) {
sys_exit = trace->syscalls.events.sys_exit;
- err = perf_evsel__append_tp_filter(sys_exit, filter);
+ err = evsel__append_tp_filter(sys_exit, filter);
}
free(filter);
@@ -3695,7 +3690,7 @@ static int ordered_events__deliver_event(struct ordered_events *oe,
return __trace__deliver_event(trace, event->event);
}
-static struct syscall_arg_fmt *perf_evsel__syscall_arg_fmt(struct evsel *evsel, char *arg)
+static struct syscall_arg_fmt *evsel__find_syscall_arg_fmt_by_name(struct evsel *evsel, char *arg)
{
struct tep_format_field *field;
struct syscall_arg_fmt *fmt = __evsel__syscall_arg_fmt(evsel);
@@ -3750,7 +3745,7 @@ static int trace__expand_filter(struct trace *trace __maybe_unused, struct evsel
scnprintf(arg, sizeof(arg), "%.*s", left_size, left);
- fmt = perf_evsel__syscall_arg_fmt(evsel, arg);
+ fmt = evsel__find_syscall_arg_fmt_by_name(evsel, arg);
if (fmt == NULL) {
pr_err("\"%s\" not found in \"%s\", can't set filter \"%s\"\n",
arg, evsel->name, evsel->filter);
@@ -3801,7 +3796,7 @@ static int trace__expand_filter(struct trace *trace __maybe_unused, struct evsel
if (new_filter != evsel->filter) {
pr_debug("New filter for %s: %s\n", evsel->name, new_filter);
- perf_evsel__set_filter(evsel, new_filter);
+ evsel__set_filter(evsel, new_filter);
free(new_filter);
}
@@ -3849,7 +3844,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
pgfault_maj = perf_evsel__new_pgfault(PERF_COUNT_SW_PAGE_FAULTS_MAJ);
if (pgfault_maj == NULL)
goto out_error_mem;
- perf_evsel__config_callchain(pgfault_maj, &trace->opts, &callchain_param);
+ evsel__config_callchain(pgfault_maj, &trace->opts, &callchain_param);
evlist__add(evlist, pgfault_maj);
}
@@ -3857,7 +3852,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
pgfault_min = perf_evsel__new_pgfault(PERF_COUNT_SW_PAGE_FAULTS_MIN);
if (pgfault_min == NULL)
goto out_error_mem;
- perf_evsel__config_callchain(pgfault_min, &trace->opts, &callchain_param);
+ evsel__config_callchain(pgfault_min, &trace->opts, &callchain_param);
evlist__add(evlist, pgfault_min);
}
@@ -4108,7 +4103,7 @@ out_error:
out_error_apply_filters:
fprintf(trace->output,
"Failed to set filter \"%s\" on event %s with %d (%s)\n",
- evsel->filter, perf_evsel__name(evsel), errno,
+ evsel->filter, evsel__name(evsel), errno,
str_error_r(errno, errbuf, sizeof(errbuf)));
goto out_delete_evlist;
}
@@ -4179,7 +4174,7 @@ static int trace__replay(struct trace *trace)
"syscalls:sys_enter");
if (evsel &&
- (perf_evsel__init_raw_syscall_tp(evsel, trace__sys_enter) < 0 ||
+ (evsel__init_raw_syscall_tp(evsel, trace__sys_enter) < 0 ||
perf_evsel__init_sc_tp_ptr_field(evsel, args))) {
pr_err("Error during initialize raw_syscalls:sys_enter event\n");
goto out;
@@ -4191,7 +4186,7 @@ static int trace__replay(struct trace *trace)
evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
"syscalls:sys_exit");
if (evsel &&
- (perf_evsel__init_raw_syscall_tp(evsel, trace__sys_exit) < 0 ||
+ (evsel__init_raw_syscall_tp(evsel, trace__sys_exit) < 0 ||
perf_evsel__init_sc_tp_uint_field(evsel, ret))) {
pr_err("Error during initialize raw_syscalls:sys_exit event\n");
goto out;
@@ -4471,11 +4466,11 @@ static int evlist__set_syscall_tp_fields(struct evlist *evlist)
continue;
if (strcmp(evsel->tp_format->system, "syscalls")) {
- perf_evsel__init_tp_arg_scnprintf(evsel);
+ evsel__init_tp_arg_scnprintf(evsel);
continue;
}
- if (perf_evsel__init_syscall_tp(evsel))
+ if (evsel__init_syscall_tp(evsel))
return -1;
if (!strncmp(evsel->tp_format->name, "sys_enter_", 10)) {
@@ -4989,7 +4984,7 @@ int cmd_trace(int argc, const char **argv)
*/
if (trace.syscalls.events.augmented) {
evlist__for_each_entry(trace.evlist, evsel) {
- bool raw_syscalls_sys_exit = strcmp(perf_evsel__name(evsel), "raw_syscalls:sys_exit") == 0;
+ bool raw_syscalls_sys_exit = strcmp(evsel__name(evsel), "raw_syscalls:sys_exit") == 0;
if (raw_syscalls_sys_exit) {
trace.raw_augmented_syscalls = true;
@@ -4997,10 +4992,10 @@ int cmd_trace(int argc, const char **argv)
}
if (trace.syscalls.events.augmented->priv == NULL &&
- strstr(perf_evsel__name(evsel), "syscalls:sys_enter")) {
+ strstr(evsel__name(evsel), "syscalls:sys_enter")) {
struct evsel *augmented = trace.syscalls.events.augmented;
- if (perf_evsel__init_augmented_syscall_tp(augmented, evsel) ||
- perf_evsel__init_augmented_syscall_tp_args(augmented))
+ if (evsel__init_augmented_syscall_tp(augmented, evsel) ||
+ evsel__init_augmented_syscall_tp_args(augmented))
goto out;
/*
* Augmented is __augmented_syscalls__ BPF_OUTPUT event
@@ -5014,16 +5009,16 @@ int cmd_trace(int argc, const char **argv)
* as not to filter it, then we'll handle it just like we would
* for the BPF_OUTPUT one:
*/
- if (perf_evsel__init_augmented_syscall_tp(evsel, evsel) ||
- perf_evsel__init_augmented_syscall_tp_args(evsel))
+ if (evsel__init_augmented_syscall_tp(evsel, evsel) ||
+ evsel__init_augmented_syscall_tp_args(evsel))
goto out;
evsel->handler = trace__sys_enter;
}
- if (strstarts(perf_evsel__name(evsel), "syscalls:sys_exit_")) {
+ if (strstarts(evsel__name(evsel), "syscalls:sys_exit_")) {
struct syscall_tp *sc;
init_augmented_syscall_tp:
- if (perf_evsel__init_augmented_syscall_tp(evsel, evsel))
+ if (evsel__init_augmented_syscall_tp(evsel, evsel))
goto out;
sc = __evsel__syscall_tp(evsel);
/*
@@ -5047,7 +5042,7 @@ init_augmented_syscall_tp:
*/
if (trace.raw_augmented_syscalls)
trace.raw_augmented_syscalls_args_size = (6 + 1) * sizeof(long) + sc->id.offset;
- perf_evsel__init_augmented_syscall_tp_ret(evsel);
+ evsel__init_augmented_syscall_tp_ret(evsel);
evsel->handler = trace__sys_exit;
}
}
diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index 0453ba26cdbd..a42fab308ff6 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -258,7 +258,8 @@ gets schedule to. Per task counters can be created by any user, for
their own tasks.
A 'pid == -1' and 'cpu == x' counter is a per CPU counter that counts
-all events on CPU-x. Per CPU counters need CAP_SYS_ADMIN privilege.
+all events on CPU-x. Per CPU counters need CAP_PERFMON or CAP_SYS_ADMIN
+privilege.
The 'flags' parameter is currently unused and must be zero.
diff --git a/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json b/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json
new file mode 100644
index 000000000000..c121e526442a
--- /dev/null
+++ b/tools/perf/pmu-events/arch/powerpc/power9/nest_metrics.json
@@ -0,0 +1,19 @@
+[
+ {
+ "MetricExpr": "(hv_24x7@PM_MCS01_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_RD_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_RD_DISP_PORT23\\,chip\\=?@)",
+ "MetricName": "Memory_RD_BW_Chip",
+ "MetricGroup": "Memory_BW",
+ "ScaleUnit": "1.6e-2MB"
+ },
+ {
+ "MetricExpr": "(hv_24x7@PM_MCS01_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS01_128B_WR_DISP_PORT23\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT01\\,chip\\=?@ + hv_24x7@PM_MCS23_128B_WR_DISP_PORT23\\,chip\\=?@ )",
+ "MetricName": "Memory_WR_BW_Chip",
+ "MetricGroup": "Memory_BW",
+ "ScaleUnit": "1.6e-2MB"
+ },
+ {
+ "MetricExpr": "(hv_24x7@PM_PB_CYC\\,chip\\=?@ )",
+ "MetricName": "PowerBUS_Frequency",
+ "ScaleUnit": "2.5e-7GHz"
+ }
+]
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index 53e76d5d5b37..c8f306b572f4 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -26,7 +26,7 @@ struct pmu_event {
* Map a CPU to its table of PMU events. The CPU is identified by the
* cpuid field, which is an arch-specific identifier for the CPU.
* The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile
- * must match the get_cpustr() in tools/perf/arch/xxx/util/header.c)
+ * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c)
*
* The cpuid can contain any character other than the comma.
*/
diff --git a/tools/perf/scripts/python/bin/flamegraph-record b/tools/perf/scripts/python/bin/flamegraph-record
new file mode 100755
index 000000000000..7df5a19c0163
--- /dev/null
+++ b/tools/perf/scripts/python/bin/flamegraph-record
@@ -0,0 +1,2 @@
+#!/bin/bash
+perf record -g "$@"
diff --git a/tools/perf/scripts/python/bin/flamegraph-report b/tools/perf/scripts/python/bin/flamegraph-report
new file mode 100755
index 000000000000..53c5dc90c87e
--- /dev/null
+++ b/tools/perf/scripts/python/bin/flamegraph-report
@@ -0,0 +1,3 @@
+#!/bin/bash
+# description: create flame graphs
+perf script -s "$PERF_EXEC_PATH"/scripts/python/flamegraph.py -- "$@"
diff --git a/tools/perf/scripts/python/flamegraph.py b/tools/perf/scripts/python/flamegraph.py
new file mode 100755
index 000000000000..61f3be9add6b
--- /dev/null
+++ b/tools/perf/scripts/python/flamegraph.py
@@ -0,0 +1,124 @@
+# flamegraph.py - create flame graphs from perf samples
+# SPDX-License-Identifier: GPL-2.0
+#
+# Usage:
+#
+# perf record -a -g -F 99 sleep 60
+# perf script report flamegraph
+#
+# Combined:
+#
+# perf script flamegraph -a -F 99 sleep 60
+#
+# Written by Andreas Gerstmayr <agerstmayr@redhat.com>
+# Flame Graphs invented by Brendan Gregg <bgregg@netflix.com>
+# Works in tandem with d3-flame-graph by Martin Spier <mspier@netflix.com>
+
+from __future__ import print_function
+import sys
+import os
+import argparse
+import json
+
+
+class Node:
+ def __init__(self, name, libtype=""):
+ self.name = name
+ self.libtype = libtype
+ self.value = 0
+ self.children = []
+
+ def toJSON(self):
+ return {
+ "n": self.name,
+ "l": self.libtype,
+ "v": self.value,
+ "c": self.children
+ }
+
+
+class FlameGraphCLI:
+ def __init__(self, args):
+ self.args = args
+ self.stack = Node("root")
+
+ if self.args.format == "html" and \
+ not os.path.isfile(self.args.template):
+ print("Flame Graph template {} does not exist. Please install "
+ "the js-d3-flame-graph (RPM) or libjs-d3-flame-graph (deb) "
+ "package, specify an existing flame graph template "
+ "(--template PATH) or another output format "
+ "(--format FORMAT).".format(self.args.template),
+ file=sys.stderr)
+ sys.exit(1)
+
+ def find_or_create_node(self, node, name, dso):
+ libtype = "kernel" if dso == "[kernel.kallsyms]" else ""
+ if name is None:
+ name = "[unknown]"
+
+ for child in node.children:
+ if child.name == name and child.libtype == libtype:
+ return child
+
+ child = Node(name, libtype)
+ node.children.append(child)
+ return child
+
+ def process_event(self, event):
+ node = self.find_or_create_node(self.stack, event["comm"], None)
+ if "callchain" in event:
+ for entry in reversed(event['callchain']):
+ node = self.find_or_create_node(
+ node, entry.get("sym", {}).get("name"), event.get("dso"))
+ else:
+ node = self.find_or_create_node(
+ node, entry.get("symbol"), event.get("dso"))
+ node.value += 1
+
+ def trace_end(self):
+ json_str = json.dumps(self.stack, default=lambda x: x.toJSON())
+
+ if self.args.format == "html":
+ try:
+ with open(self.args.template) as f:
+ output_str = f.read().replace("/** @flamegraph_json **/",
+ json_str)
+ except IOError as e:
+ print("Error reading template file: {}".format(e), file=sys.stderr)
+ sys.exit(1)
+ output_fn = self.args.output or "flamegraph.html"
+ else:
+ output_str = json_str
+ output_fn = self.args.output or "stacks.json"
+
+ if output_fn == "-":
+ sys.stdout.write(output_str)
+ else:
+ print("dumping data to {}".format(output_fn))
+ try:
+ with open(output_fn, "w") as out:
+ out.write(output_str)
+ except IOError as e:
+ print("Error writing output file: {}".format(e), file=sys.stderr)
+ sys.exit(1)
+
+
+if __name__ == "__main__":
+ parser = argparse.ArgumentParser(description="Create flame graphs.")
+ parser.add_argument("-f", "--format",
+ default="html", choices=["json", "html"],
+ help="output file format")
+ parser.add_argument("-o", "--output",
+ help="output file name")
+ parser.add_argument("--template",
+ default="/usr/share/d3-flame-graph/d3-flamegraph-base.html",
+ help="path to flamegraph HTML template")
+ parser.add_argument("-i", "--input",
+ help=argparse.SUPPRESS)
+
+ args = parser.parse_args()
+ cli = FlameGraphCLI(args)
+
+ process_event = cli.process_event
+ trace_end = cli.trace_end
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index b3d1bf13ca07..c75557aeef0e 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -56,6 +56,7 @@ perf-y += mem2node.o
perf-y += maps.o
perf-y += time-utils-test.o
perf-y += genelf.o
+perf-y += api-io.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)
diff --git a/tools/perf/tests/api-io.c b/tools/perf/tests/api-io.c
new file mode 100644
index 000000000000..2ada86ad6084
--- /dev/null
+++ b/tools/perf/tests/api-io.c
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "debug.h"
+#include "tests.h"
+#include <api/io.h>
+#include <linux/kernel.h>
+
+#define TEMPL "/tmp/perf-test-XXXXXX"
+
+#define EXPECT_EQUAL(val, expected) \
+do { \
+ if (val != expected) { \
+ pr_debug("%s:%d: %d != %d\n", \
+ __FILE__, __LINE__, val, expected); \
+ ret = -1; \
+ } \
+} while (0)
+
+#define EXPECT_EQUAL64(val, expected) \
+do { \
+ if (val != expected) { \
+ pr_debug("%s:%d: %lld != %lld\n", \
+ __FILE__, __LINE__, val, expected); \
+ ret = -1; \
+ } \
+} while (0)
+
+static int make_test_file(char path[PATH_MAX], const char *contents)
+{
+ ssize_t contents_len = strlen(contents);
+ int fd;
+
+ strcpy(path, TEMPL);
+ fd = mkstemp(path);
+ if (fd < 0) {
+ pr_debug("mkstemp failed");
+ return -1;
+ }
+ if (write(fd, contents, contents_len) < contents_len) {
+ pr_debug("short write");
+ close(fd);
+ unlink(path);
+ return -1;
+ }
+ close(fd);
+ return 0;
+}
+
+static int setup_test(char path[PATH_MAX], const char *contents,
+ size_t buf_size, struct io *io)
+{
+ if (make_test_file(path, contents))
+ return -1;
+
+ io->fd = open(path, O_RDONLY);
+ if (io->fd < 0) {
+ pr_debug("Failed to open '%s'\n", path);
+ unlink(path);
+ return -1;
+ }
+ io->buf = malloc(buf_size);
+ if (io->buf == NULL) {
+ pr_debug("Failed to allocate memory");
+ close(io->fd);
+ unlink(path);
+ return -1;
+ }
+ io__init(io, io->fd, io->buf, buf_size);
+ return 0;
+}
+
+static void cleanup_test(char path[PATH_MAX], struct io *io)
+{
+ free(io->buf);
+ close(io->fd);
+ unlink(path);
+}
+
+static int do_test_get_char(const char *test_string, size_t buf_size)
+{
+ char path[PATH_MAX];
+ struct io io;
+ int ch, ret = 0;
+ size_t i;
+
+ if (setup_test(path, test_string, buf_size, &io))
+ return -1;
+
+ for (i = 0; i < strlen(test_string); i++) {
+ ch = io__get_char(&io);
+
+ EXPECT_EQUAL(ch, test_string[i]);
+ EXPECT_EQUAL(io.eof, false);
+ }
+ ch = io__get_char(&io);
+ EXPECT_EQUAL(ch, -1);
+ EXPECT_EQUAL(io.eof, true);
+
+ cleanup_test(path, &io);
+ return ret;
+}
+
+static int test_get_char(void)
+{
+ int i, ret = 0;
+ size_t j;
+
+ static const char *const test_strings[] = {
+ "12345678abcdef90",
+ "a\nb\nc\nd\n",
+ "\a\b\t\v\f\r",
+ };
+ for (i = 0; i <= 10; i++) {
+ for (j = 0; j < ARRAY_SIZE(test_strings); j++) {
+ if (do_test_get_char(test_strings[j], 1 << i))
+ ret = -1;
+ }
+ }
+ return ret;
+}
+
+static int do_test_get_hex(const char *test_string,
+ __u64 val1, int ch1,
+ __u64 val2, int ch2,
+ __u64 val3, int ch3,
+ bool end_eof)
+{
+ char path[PATH_MAX];
+ struct io io;
+ int ch, ret = 0;
+ __u64 hex;
+
+ if (setup_test(path, test_string, 4, &io))
+ return -1;
+
+ ch = io__get_hex(&io, &hex);
+ EXPECT_EQUAL64(hex, val1);
+ EXPECT_EQUAL(ch, ch1);
+
+ ch = io__get_hex(&io, &hex);
+ EXPECT_EQUAL64(hex, val2);
+ EXPECT_EQUAL(ch, ch2);
+
+ ch = io__get_hex(&io, &hex);
+ EXPECT_EQUAL64(hex, val3);
+ EXPECT_EQUAL(ch, ch3);
+
+ EXPECT_EQUAL(io.eof, end_eof);
+
+ cleanup_test(path, &io);
+ return ret;
+}
+
+static int test_get_hex(void)
+{
+ int ret = 0;
+
+ if (do_test_get_hex("12345678abcdef90",
+ 0x12345678abcdef90, -1,
+ 0, -1,
+ 0, -1,
+ true))
+ ret = -1;
+
+ if (do_test_get_hex("1\n2\n3\n",
+ 1, '\n',
+ 2, '\n',
+ 3, '\n',
+ false))
+ ret = -1;
+
+ if (do_test_get_hex("12345678ABCDEF90;a;b",
+ 0x12345678abcdef90, ';',
+ 0xa, ';',
+ 0xb, -1,
+ true))
+ ret = -1;
+
+ if (do_test_get_hex("0x1x2x",
+ 0, 'x',
+ 1, 'x',
+ 2, 'x',
+ false))
+ ret = -1;
+
+ if (do_test_get_hex("x1x",
+ 0, -2,
+ 1, 'x',
+ 0, -1,
+ true))
+ ret = -1;
+
+ if (do_test_get_hex("10000000000000000000000000000abcdefgh99i",
+ 0xabcdef, 'g',
+ 0, -2,
+ 0x99, 'i',
+ false))
+ ret = -1;
+
+ return ret;
+}
+
+static int do_test_get_dec(const char *test_string,
+ __u64 val1, int ch1,
+ __u64 val2, int ch2,
+ __u64 val3, int ch3,
+ bool end_eof)
+{
+ char path[PATH_MAX];
+ struct io io;
+ int ch, ret = 0;
+ __u64 dec;
+
+ if (setup_test(path, test_string, 4, &io))
+ return -1;
+
+ ch = io__get_dec(&io, &dec);
+ EXPECT_EQUAL64(dec, val1);
+ EXPECT_EQUAL(ch, ch1);
+
+ ch = io__get_dec(&io, &dec);
+ EXPECT_EQUAL64(dec, val2);
+ EXPECT_EQUAL(ch, ch2);
+
+ ch = io__get_dec(&io, &dec);
+ EXPECT_EQUAL64(dec, val3);
+ EXPECT_EQUAL(ch, ch3);
+
+ EXPECT_EQUAL(io.eof, end_eof);
+
+ cleanup_test(path, &io);
+ return ret;
+}
+
+static int test_get_dec(void)
+{
+ int ret = 0;
+
+ if (do_test_get_dec("12345678abcdef90",
+ 12345678, 'a',
+ 0, -2,
+ 0, -2,
+ false))
+ ret = -1;
+
+ if (do_test_get_dec("1\n2\n3\n",
+ 1, '\n',
+ 2, '\n',
+ 3, '\n',
+ false))
+ ret = -1;
+
+ if (do_test_get_dec("12345678;1;2",
+ 12345678, ';',
+ 1, ';',
+ 2, -1,
+ true))
+ ret = -1;
+
+ if (do_test_get_dec("0x1x2x",
+ 0, 'x',
+ 1, 'x',
+ 2, 'x',
+ false))
+ ret = -1;
+
+ if (do_test_get_dec("x1x",
+ 0, -2,
+ 1, 'x',
+ 0, -1,
+ true))
+ ret = -1;
+
+ if (do_test_get_dec("10000000000000000000000000000000000000000000000000000000000123456789ab99c",
+ 123456789, 'a',
+ 0, -2,
+ 99, 'c',
+ false))
+ ret = -1;
+
+ return ret;
+}
+
+int test__api_io(struct test *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ int ret = 0;
+
+ if (test_get_char())
+ ret = TEST_FAIL;
+ if (test_get_hex())
+ ret = TEST_FAIL;
+ if (test_get_dec())
+ ret = TEST_FAIL;
+ return ret;
+}
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index b6322eb0f423..3471ec52ea11 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -310,6 +310,10 @@ static struct test generic_tests[] = {
.func = test__jit_write_elf,
},
{
+ .desc = "Test api io",
+ .func = test__api_io,
+ },
+ {
.desc = "maps__merge_in",
.func = test__maps__merge_in,
},
diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c
index 1e8a9f5c356d..db68894a6f40 100644
--- a/tools/perf/tests/event-times.c
+++ b/tools/perf/tests/event-times.c
@@ -72,7 +72,7 @@ static int attach__current_disabled(struct evlist *evlist)
evsel->core.attr.disabled = 1;
- err = perf_evsel__open_per_thread(evsel, threads);
+ err = evsel__open_per_thread(evsel, threads);
if (err) {
pr_debug("Failed to open event cpu-clock:u\n");
return err;
@@ -96,7 +96,7 @@ static int attach__current_enabled(struct evlist *evlist)
return -1;
}
- err = perf_evsel__open_per_thread(evsel, threads);
+ err = evsel__open_per_thread(evsel, threads);
perf_thread_map__put(threads);
return err == 0 ? TEST_OK : TEST_FAIL;
@@ -125,7 +125,7 @@ static int attach__cpu_disabled(struct evlist *evlist)
evsel->core.attr.disabled = 1;
- err = perf_evsel__open_per_cpu(evsel, cpus, -1);
+ err = evsel__open_per_cpu(evsel, cpus, -1);
if (err) {
if (err == -EACCES)
return TEST_SKIP;
@@ -152,7 +152,7 @@ static int attach__cpu_enabled(struct evlist *evlist)
return -1;
}
- err = perf_evsel__open_per_cpu(evsel, cpus, -1);
+ err = evsel__open_per_cpu(evsel, cpus, -1);
if (err == -EACCES)
return TEST_SKIP;
diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c
index c727379cf20e..bdcf032f8516 100644
--- a/tools/perf/tests/event_update.c
+++ b/tools/perf/tests/event_update.c
@@ -109,7 +109,7 @@ int test__event_update(struct test *test __maybe_unused, int subtest __maybe_unu
TEST_ASSERT_VAL("failed to synthesize attr update scale",
!perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale));
- tmp.name = perf_evsel__name(evsel);
+ tmp.name = evsel__name(evsel);
TEST_ASSERT_VAL("failed to synthesize attr update name",
!perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name));
diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c
index 956205bf9326..61ecd8e33a01 100644
--- a/tools/perf/tests/evsel-roundtrip-name.c
+++ b/tools/perf/tests/evsel-roundtrip-name.c
@@ -20,12 +20,11 @@ static int perf_evsel__roundtrip_cache_name_test(void)
for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
/* skip invalid cache type */
- if (!perf_evsel__is_cache_op_valid(type, op))
+ if (!evsel__is_cache_op_valid(type, op))
continue;
for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- __perf_evsel__hw_cache_type_op_res_name(type, op, i,
- name, sizeof(name));
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
err = parse_events(evlist, name, NULL);
if (err)
ret = err;
@@ -39,23 +38,22 @@ static int perf_evsel__roundtrip_cache_name_test(void)
for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
/* skip invalid cache type */
- if (!perf_evsel__is_cache_op_valid(type, op))
+ if (!evsel__is_cache_op_valid(type, op))
continue;
for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- __perf_evsel__hw_cache_type_op_res_name(type, op, i,
- name, sizeof(name));
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
if (evsel->idx != idx)
continue;
++idx;
- if (strcmp(perf_evsel__name(evsel), name)) {
- pr_debug("%s != %s\n", perf_evsel__name(evsel), name);
+ if (strcmp(evsel__name(evsel), name)) {
+ pr_debug("%s != %s\n", evsel__name(evsel), name);
ret = -1;
}
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
}
}
}
@@ -84,9 +82,9 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names)
err = 0;
evlist__for_each_entry(evlist, evsel) {
- if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) {
+ if (strcmp(evsel__name(evsel), names[evsel->idx])) {
--err;
- pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]);
+ pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->idx]);
}
}
diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c
index 261e6eaaee99..ce8aa32bc3ee 100644
--- a/tools/perf/tests/evsel-tp-sched.c
+++ b/tools/perf/tests/evsel-tp-sched.c
@@ -8,7 +8,7 @@
static int perf_evsel__test_field(struct evsel *evsel, const char *name,
int size, bool should_be_signed)
{
- struct tep_format_field *field = perf_evsel__field(evsel, name);
+ struct tep_format_field *field = evsel__field(evsel, name);
int is_signed;
int ret = 0;
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 28313e59d6f6..f9e8e5628836 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -6,11 +6,11 @@
#include <string.h>
#include <linux/zalloc.h>
-static int test(struct parse_ctx *ctx, const char *e, double val2)
+static int test(struct expr_parse_ctx *ctx, const char *e, double val2)
{
double val;
- if (expr__parse(&val, ctx, e))
+ if (expr__parse(&val, ctx, e, 1))
TEST_ASSERT_VAL("parse test failed", 0);
TEST_ASSERT_VAL("unexpected value", val == val2);
return 0;
@@ -22,7 +22,7 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
const char **other;
double val;
int i, ret;
- struct parse_ctx ctx;
+ struct expr_parse_ctx ctx;
int num_other;
expr__ctx_init(&ctx);
@@ -44,21 +44,29 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
return ret;
p = "FOO/0";
- ret = expr__parse(&val, &ctx, p);
+ ret = expr__parse(&val, &ctx, p, 1);
TEST_ASSERT_VAL("division by zero", ret == -1);
p = "BAR/";
- ret = expr__parse(&val, &ctx, p);
+ ret = expr__parse(&val, &ctx, p, 1);
TEST_ASSERT_VAL("missing operand", ret == -1);
TEST_ASSERT_VAL("find other",
- expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0);
+ expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other, 1) == 0);
TEST_ASSERT_VAL("find other", num_other == 3);
TEST_ASSERT_VAL("find other", !strcmp(other[0], "BAR"));
TEST_ASSERT_VAL("find other", !strcmp(other[1], "BAZ"));
TEST_ASSERT_VAL("find other", !strcmp(other[2], "BOZO"));
TEST_ASSERT_VAL("find other", other[3] == NULL);
+ TEST_ASSERT_VAL("find other",
+ expr__find_other("EVENT1\\,param\\=?@ + EVENT2\\,param\\=?@", NULL,
+ &other, &num_other, 3) == 0);
+ TEST_ASSERT_VAL("find other", num_other == 2);
+ TEST_ASSERT_VAL("find other", !strcmp(other[0], "EVENT1,param=3/"));
+ TEST_ASSERT_VAL("find other", !strcmp(other[1], "EVENT2,param=3/"));
+ TEST_ASSERT_VAL("find other", other[2] == NULL);
+
for (i = 0; i < num_other; i++)
zfree(&other[i]);
free((void *)other);
diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c
index 6367c8f6ca22..7a542f1c1c78 100644
--- a/tools/perf/tests/hists_cumulate.c
+++ b/tools/perf/tests/hists_cumulate.c
@@ -280,7 +280,7 @@ static int test1(struct evsel *evsel, struct machine *machine)
symbol_conf.use_callchain = false;
symbol_conf.cumulate_callchain = false;
- perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
+ evsel__reset_sample_bit(evsel, CALLCHAIN);
setup_sorting(NULL);
callchain_register_param(&callchain_param);
@@ -427,7 +427,7 @@ static int test2(struct evsel *evsel, struct machine *machine)
symbol_conf.use_callchain = true;
symbol_conf.cumulate_callchain = false;
- perf_evsel__set_sample_bit(evsel, CALLCHAIN);
+ evsel__set_sample_bit(evsel, CALLCHAIN);
setup_sorting(NULL);
callchain_register_param(&callchain_param);
@@ -485,7 +485,7 @@ static int test3(struct evsel *evsel, struct machine *machine)
symbol_conf.use_callchain = false;
symbol_conf.cumulate_callchain = true;
- perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
+ evsel__reset_sample_bit(evsel, CALLCHAIN);
setup_sorting(NULL);
callchain_register_param(&callchain_param);
@@ -669,7 +669,7 @@ static int test4(struct evsel *evsel, struct machine *machine)
symbol_conf.use_callchain = true;
symbol_conf.cumulate_callchain = true;
- perf_evsel__set_sample_bit(evsel, CALLCHAIN);
+ evsel__set_sample_bit(evsel, CALLCHAIN);
setup_sorting(NULL);
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 5f4c0dbb4715..d4b8eb6e337a 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -86,7 +86,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
}
evsels[i]->core.attr.wakeup_events = 1;
- perf_evsel__set_sample_id(evsels[i], false);
+ evsel__set_sample_id(evsels[i], false);
evlist__add(evlist, evsels[i]);
@@ -150,7 +150,7 @@ out_init:
if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) {
pr_debug("expected %d %s events, got %d\n",
expected_nr_events[evsel->idx],
- perf_evsel__name(evsel), nr_events[evsel->idx]);
+ evsel__name(evsel), nr_events[evsel->idx]);
err = -1;
goto out_delete_evlist;
}
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index 93c176523e38..900934be22d2 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -103,15 +103,15 @@ int test__openat_syscall_event_on_all_cpus(struct test *test __maybe_unused, int
if (cpus->map[cpu] >= CPU_SETSIZE)
continue;
- if (perf_evsel__read_on_cpu(evsel, cpu, 0) < 0) {
- pr_debug("perf_evsel__read_on_cpu\n");
+ if (evsel__read_on_cpu(evsel, cpu, 0) < 0) {
+ pr_debug("evsel__read_on_cpu\n");
err = -1;
break;
}
expected = nr_openat_calls + cpu;
if (perf_counts(evsel->counts, cpu, 0)->val != expected) {
- pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
+ pr_debug("evsel__read_on_cpu: expected to intercept %d calls on cpu %d, got %" PRIu64 "\n",
expected, cpus->map[cpu], perf_counts(evsel->counts, cpu, 0)->val);
err = -1;
}
diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c
index c6b2d7aab608..1dc2897d2df9 100644
--- a/tools/perf/tests/openat-syscall-tp-fields.c
+++ b/tools/perf/tests/openat-syscall-tp-fields.c
@@ -60,7 +60,7 @@ int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest
goto out_delete_evlist;
}
- perf_evsel__config(evsel, &opts, NULL);
+ evsel__config(evsel, &opts, NULL);
perf_thread_map__set_pid(evlist->core.threads, 0, getpid());
@@ -108,13 +108,13 @@ int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest
continue;
}
- err = perf_evsel__parse_sample(evsel, event, &sample);
+ err = evsel__parse_sample(evsel, event, &sample);
if (err) {
pr_debug("Can't parse sample, err = %d\n", err);
goto out_delete_evlist;
}
- tp_flags = perf_evsel__intval(evsel, &sample, "flags");
+ tp_flags = evsel__intval(evsel, &sample, "flags");
if (flags != tp_flags) {
pr_debug("%s: Expected flags=%#x, got %#x\n",
diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c
index 5ebffae18605..db5d8bb8cd06 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -34,7 +34,7 @@ int test__openat_syscall_event(struct test *test __maybe_unused, int subtest __m
goto out_thread_map_delete;
}
- if (perf_evsel__open_per_thread(evsel, threads) < 0) {
+ if (evsel__open_per_thread(evsel, threads) < 0) {
pr_debug("failed to open counter: %s, "
"tweak /proc/sys/kernel/perf_event_paranoid?\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
@@ -46,13 +46,13 @@ int test__openat_syscall_event(struct test *test __maybe_unused, int subtest __m
close(fd);
}
- if (perf_evsel__read_on_cpu(evsel, 0, 0) < 0) {
- pr_debug("perf_evsel__read_on_cpu\n");
+ if (evsel__read_on_cpu(evsel, 0, 0) < 0) {
+ pr_debug("evsel__read_on_cpu\n");
goto out_close_fd;
}
if (perf_counts(evsel->counts, 0, 0)->val != nr_openat_calls) {
- pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
+ pr_debug("evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n",
nr_openat_calls, perf_counts(evsel->counts, 0, 0)->val);
goto out_close_fd;
}
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 091c3aeccc27..895188b63f96 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -371,7 +371,7 @@ static int test__checkevent_breakpoint_modifier(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:u"));
+ !strcmp(evsel__name(evsel), "mem:0:u"));
return test__checkevent_breakpoint(evlist);
}
@@ -385,7 +385,7 @@ static int test__checkevent_breakpoint_x_modifier(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:x:k"));
+ !strcmp(evsel__name(evsel), "mem:0:x:k"));
return test__checkevent_breakpoint_x(evlist);
}
@@ -399,7 +399,7 @@ static int test__checkevent_breakpoint_r_modifier(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:r:hp"));
+ !strcmp(evsel__name(evsel), "mem:0:r:hp"));
return test__checkevent_breakpoint_r(evlist);
}
@@ -413,7 +413,7 @@ static int test__checkevent_breakpoint_w_modifier(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:w:up"));
+ !strcmp(evsel__name(evsel), "mem:0:w:up"));
return test__checkevent_breakpoint_w(evlist);
}
@@ -427,7 +427,7 @@ static int test__checkevent_breakpoint_rw_modifier(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "mem:0:rw:kp"));
+ !strcmp(evsel__name(evsel), "mem:0:rw:kp"));
return test__checkevent_breakpoint_rw(evlist);
}
@@ -468,7 +468,7 @@ static int test__checkevent_list(struct evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
/* syscalls:sys_enter_openat:k */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong sample_type",
PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type);
@@ -479,7 +479,7 @@ static int test__checkevent_list(struct evlist *evlist)
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
/* 1:1:hp */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", 1 == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config);
TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user);
@@ -498,15 +498,15 @@ static int test__checkevent_pmu_name(struct evlist *evlist)
TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config);
- TEST_ASSERT_VAL("wrong name", !strcmp(perf_evsel__name(evsel), "krava"));
+ TEST_ASSERT_VAL("wrong name", !strcmp(evsel__name(evsel), "krava"));
/* cpu/config=2/u" */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", 2 == evsel->core.attr.config);
TEST_ASSERT_VAL("wrong name",
- !strcmp(perf_evsel__name(evsel), "cpu/config=2/u"));
+ !strcmp(evsel__name(evsel), "cpu/config=2/u"));
return 0;
}
@@ -529,7 +529,7 @@ static int test__checkevent_pmu_partial_time_callgraph(struct evlist *evlist)
TEST_ASSERT_VAL("wrong time", !(PERF_SAMPLE_TIME & evsel->core.attr.sample_type));
/* cpu/config=2,call-graph=no,time=0,period=2000/ */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", 2 == evsel->core.attr.config);
/*
@@ -577,7 +577,7 @@ static int test__checkevent_pmu_events_mix(struct evlist *evlist)
TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned);
/* cpu/pmu-event/u*/
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong exclude_user",
@@ -652,13 +652,13 @@ static int test__group1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* cycles:upp */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -670,7 +670,7 @@ static int test__group1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
return 0;
@@ -694,13 +694,13 @@ static int test__group2(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* cache-references + :u modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_REFERENCES == evsel->core.attr.config);
@@ -711,11 +711,11 @@ static int test__group2(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* cycles:k */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -725,7 +725,7 @@ static int test__group2(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
return 0;
@@ -750,15 +750,15 @@ static int test__group3(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong group name",
!strcmp(leader->group_name, "group1"));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* group1 cycles:kppp */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -771,11 +771,11 @@ static int test__group3(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 3);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* group2 cycles + G modifier */
- evsel = leader = perf_evsel__next(evsel);
+ evsel = leader = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -785,15 +785,15 @@ static int test__group3(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong group name",
!strcmp(leader->group_name, "group2"));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* group2 1:3 + G modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", 1 == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config", 3 == evsel->core.attr.config);
TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user);
@@ -803,11 +803,11 @@ static int test__group3(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* instructions:u */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config);
@@ -817,7 +817,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
return 0;
@@ -843,13 +843,13 @@ static int test__group4(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 1);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* instructions:kp + p */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config);
@@ -861,7 +861,7 @@ static int test__group4(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
return 0;
@@ -886,13 +886,13 @@ static int test__group5(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* instructions + G */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config);
@@ -903,11 +903,11 @@ static int test__group5(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* cycles:G */
- evsel = leader = perf_evsel__next(evsel);
+ evsel = leader = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -918,13 +918,13 @@ static int test__group5(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
/* instructions:G */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config);
@@ -935,10 +935,10 @@ static int test__group5(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
/* cycles */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config);
@@ -948,7 +948,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest);
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
return 0;
}
@@ -972,12 +972,12 @@ static int test__group_gh1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
/* cache-misses:G + :H group modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
@@ -988,7 +988,7 @@ static int test__group_gh1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
return 0;
}
@@ -1012,12 +1012,12 @@ static int test__group_gh2(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
/* cache-misses:H + :G group modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
@@ -1028,7 +1028,7 @@ static int test__group_gh2(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
return 0;
}
@@ -1052,12 +1052,12 @@ static int test__group_gh3(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
/* cache-misses:H + :u group modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
@@ -1068,7 +1068,7 @@ static int test__group_gh3(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
return 0;
}
@@ -1092,12 +1092,12 @@ static int test__group_gh4(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
- TEST_ASSERT_VAL("wrong leader", perf_evsel__is_group_leader(evsel));
+ TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
/* cache-misses:H + :uG group modifier */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
@@ -1108,7 +1108,7 @@ static int test__group_gh4(struct evlist *evlist)
TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
- TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+ TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
return 0;
}
@@ -1135,7 +1135,7 @@ static int test__leader_sample1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
/* cache-misses - not sampling */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
@@ -1149,7 +1149,7 @@ static int test__leader_sample1(struct evlist *evlist)
TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
/* branch-misses - not sampling */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config);
@@ -1188,7 +1188,7 @@ static int test__leader_sample2(struct evlist *evlist __maybe_unused)
TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read);
/* branch-misses - not sampling */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config);
@@ -1234,14 +1234,14 @@ static int test__pinned_group(struct evlist *evlist)
TEST_ASSERT_VAL("wrong pinned", evsel->core.attr.pinned);
/* cache-misses - can not be pinned, but will go on with the leader */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config);
TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned);
/* branch-misses - ditto */
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
TEST_ASSERT_VAL("wrong config",
PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config);
TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned);
@@ -1356,6 +1356,16 @@ static int test__checkevent_complex_name(struct evlist *evlist)
return 0;
}
+static int test__checkevent_raw_pmu(struct evlist *evlist)
+{
+ struct evsel *evsel = evlist__first(evlist);
+
+ TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type);
+ TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config);
+ return 0;
+}
+
static int test__sym_event_slash(struct evlist *evlist)
{
struct evsel *evsel = evlist__first(evlist);
@@ -1750,7 +1760,12 @@ static struct evlist_test test__events_pmu[] = {
.name = "cpu/name='COMPLEX_CYCLES_NAME:orig=cycles,desc=chip-clock-ticks',period=0x1,event=0x2/ukp",
.check = test__checkevent_complex_name,
.id = 3,
- }
+ },
+ {
+ .name = "software/r1a/",
+ .check = test__checkevent_raw_pmu,
+ .id = 4,
+ },
};
struct terms_test {
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 2195fc205e72..83adfd846ccd 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -106,9 +106,9 @@ int test__PERF_RECORD(struct test *test __maybe_unused, int subtest __maybe_unus
* Config the evsels, setting attr->comm on the first one, etc.
*/
evsel = evlist__first(evlist);
- perf_evsel__set_sample_bit(evsel, CPU);
- perf_evsel__set_sample_bit(evsel, TID);
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, TID);
+ evsel__set_sample_bit(evsel, TIME);
perf_evlist__config(evlist, &opts, NULL);
err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask);
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 61865699c3f4..a0bdaf390ac8 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -296,12 +296,12 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
goto out_free;
}
- evsel.sample_size = __perf_evsel__sample_size(sample_type);
+ evsel.sample_size = __evsel__sample_size(sample_type);
- err = perf_evsel__parse_sample(&evsel, event, &sample_out);
+ err = evsel__parse_sample(&evsel, event, &sample_out);
if (err) {
pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
- "perf_evsel__parse_sample", sample_type, err);
+ "evsel__parse_sample", sample_type, err);
goto out_free;
}
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index fcb0d03dba4e..db5e1f70053a 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -135,8 +135,8 @@ static int process_sample_event(struct evlist *evlist,
evsel = perf_evlist__id2evsel(evlist, sample.id);
if (evsel == switch_tracking->switch_evsel) {
- next_tid = perf_evsel__intval(evsel, &sample, "next_pid");
- prev_tid = perf_evsel__intval(evsel, &sample, "prev_pid");
+ next_tid = evsel__intval(evsel, &sample, "next_pid");
+ prev_tid = evsel__intval(evsel, &sample, "prev_pid");
cpu = sample.cpu;
pr_debug3("sched_switch: cpu: %d prev_tid %d next_tid %d\n",
cpu, prev_tid, next_tid);
@@ -394,8 +394,8 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_
switch_evsel = evlist__last(evlist);
- perf_evsel__set_sample_bit(switch_evsel, CPU);
- perf_evsel__set_sample_bit(switch_evsel, TIME);
+ evsel__set_sample_bit(switch_evsel, CPU);
+ evsel__set_sample_bit(switch_evsel, TIME);
switch_evsel->core.system_wide = true;
switch_evsel->no_aux_samples = true;
@@ -412,8 +412,8 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_
goto out_err;
}
- perf_evsel__set_sample_bit(cycles_evsel, CPU);
- perf_evsel__set_sample_bit(cycles_evsel, TIME);
+ evsel__set_sample_bit(cycles_evsel, CPU);
+ evsel__set_sample_bit(cycles_evsel, TIME);
/* Fourth event */
err = parse_events(evlist, "dummy:u", NULL);
@@ -429,7 +429,7 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_
tracking_evsel->core.attr.freq = 0;
tracking_evsel->core.attr.sample_period = 1;
- perf_evsel__set_sample_bit(tracking_evsel, TIME);
+ evsel__set_sample_bit(tracking_evsel, TIME);
/* Config events */
perf_evlist__config(evlist, &opts, NULL);
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index 61a1ab032080..d6d4ac34eeb7 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -112,6 +112,7 @@ int test__mem2node(struct test *t, int subtest);
int test__maps__merge_in(struct test *t, int subtest);
int test__time_utils(struct test *t, int subtest);
int test__jit_write_elf(struct test *test, int subtest);
+int test__api_io(struct test *test, int subtest);
bool test__bp_signal_is_supported(void);
bool test__bp_account_is_supported(void);
diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
index 4a800499d7c3..22daf2bdf5fa 100644
--- a/tools/perf/tests/topology.c
+++ b/tools/perf/tests/topology.c
@@ -33,10 +33,8 @@ static int session_write_header(char *path)
{
struct perf_session *session;
struct perf_data data = {
- .file = {
- .path = path,
- },
- .mode = PERF_DATA_MODE_WRITE,
+ .path = path,
+ .mode = PERF_DATA_MODE_WRITE,
};
session = perf_session__new(&data, false, NULL);
@@ -63,10 +61,8 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map)
{
struct perf_session *session;
struct perf_data data = {
- .file = {
- .path = path,
- },
- .mode = PERF_DATA_MODE_READ,
+ .path = path,
+ .mode = PERF_DATA_MODE_READ,
};
int i;
diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 487e54ef56a9..f98a118dfc49 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -3416,7 +3416,7 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
struct hists *hists = evsel__hists(evsel);
bool current_entry = ui_browser__is_current_entry(browser, row);
unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
- const char *ev_name = perf_evsel__name(evsel);
+ const char *ev_name = evsel__name(evsel);
char bf[256], unit;
const char *warn = " ";
size_t printed;
@@ -3424,10 +3424,10 @@ static void perf_evsel_menu__write(struct ui_browser *browser,
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
struct evsel *pos;
- ev_name = perf_evsel__group_name(evsel);
+ ev_name = evsel__group_name(evsel);
for_each_group_member(pos, evsel) {
struct hists *pos_hists = evsel__hists(pos);
@@ -3512,13 +3512,13 @@ browse_hists:
if (pos->core.node.next == &evlist->core.entries)
pos = evlist__first(evlist);
else
- pos = perf_evsel__next(pos);
+ pos = evsel__next(pos);
goto browse_hists;
case K_UNTAB:
if (pos->core.node.prev == &evlist->core.entries)
pos = evlist__last(evlist);
else
- pos = perf_evsel__prev(pos);
+ pos = evsel__prev(pos);
goto browse_hists;
case K_SWITCH_INPUT_DATA:
case K_RELOAD:
@@ -3554,7 +3554,7 @@ static bool filter_group_entries(struct ui_browser *browser __maybe_unused,
{
struct evsel *evsel = list_entry(entry, struct evsel, core.node);
- if (symbol_conf.event_group && !perf_evsel__is_group_leader(evsel))
+ if (symbol_conf.event_group && !evsel__is_group_leader(evsel))
return true;
return false;
@@ -3587,7 +3587,7 @@ static int __perf_evlist__tui_browse_hists(struct evlist *evlist,
ui_helpline__push("Press ESC to exit");
evlist__for_each_entry(evlist, pos) {
- const char *ev_name = perf_evsel__name(pos);
+ const char *ev_name = evsel__name(pos);
size_t line_len = strlen(ev_name) + 7;
if (menu.b.width < line_len)
@@ -3622,7 +3622,7 @@ single_entry:
nr_entries = 0;
evlist__for_each_entry(evlist, pos) {
- if (perf_evsel__is_group_leader(pos))
+ if (evsel__is_group_leader(pos))
nr_entries++;
}
@@ -3640,7 +3640,7 @@ static int block_hists_browser__title(struct hist_browser *browser, char *bf,
size_t size)
{
struct hists *hists = evsel__hists(browser->block_evsel);
- const char *evname = perf_evsel__name(browser->block_evsel);
+ const char *evname = evsel__name(browser->block_evsel);
unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
int ret;
diff --git a/tools/perf/ui/gtk/annotate.c b/tools/perf/ui/gtk/annotate.c
index 35f9641bf670..a7dff77f2018 100644
--- a/tools/perf/ui/gtk/annotate.c
+++ b/tools/perf/ui/gtk/annotate.c
@@ -130,7 +130,7 @@ static int perf_gtk__annotate_symbol(GtkWidget *window, struct map_symbol *ms,
gtk_list_store_append(store, &iter);
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
for (i = 0; i < evsel->core.nr_members; i++) {
ret += perf_gtk__get_percent(s + ret,
sizeof(s) - ret,
diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c
index ed1a97b2c4b0..53ef71a1b15d 100644
--- a/tools/perf/ui/gtk/hists.c
+++ b/tools/perf/ui/gtk/hists.c
@@ -635,18 +635,18 @@ int perf_evlist__gtk_browse_hists(struct evlist *evlist,
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
- const char *evname = perf_evsel__name(pos);
+ const char *evname = evsel__name(pos);
GtkWidget *scrolled_window;
GtkWidget *tab_label;
char buf[512];
size_t size = sizeof(buf);
if (symbol_conf.event_group) {
- if (!perf_evsel__is_group_leader(pos))
+ if (!evsel__is_group_leader(pos))
continue;
if (pos->core.nr_members > 1) {
- perf_evsel__group_desc(pos, buf, size);
+ evsel__group_desc(pos, buf, size);
evname = buf;
}
}
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 025f4c7f96bf..c1f24d004852 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -43,12 +43,12 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
} else
ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
int prev_idx, idx_delta;
struct hist_entry *pair;
int nr_members = evsel->core.nr_members;
- prev_idx = perf_evsel__group_idx(evsel);
+ prev_idx = evsel__group_idx(evsel);
list_for_each_entry(pair, &he->pairs.head, pairs.node) {
u64 period = get_field(pair);
@@ -58,7 +58,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
continue;
evsel = hists_to_evsel(pair->hists);
- idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
+ idx_delta = evsel__group_idx(evsel) - prev_idx - 1;
while (idx_delta--) {
/*
@@ -82,7 +82,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
len, period);
}
- prev_idx = perf_evsel__group_idx(evsel);
+ prev_idx = evsel__group_idx(evsel);
}
idx_delta = nr_members - prev_idx - 1;
@@ -164,12 +164,12 @@ static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
list_for_each_entry(pair, &a->pairs.head, pairs.node) {
struct evsel *evsel = hists_to_evsel(pair->hists);
- fa[perf_evsel__group_idx(evsel)] = get_field(pair);
+ fa[evsel__group_idx(evsel)] = get_field(pair);
}
list_for_each_entry(pair, &b->pairs.head, pairs.node) {
struct evsel *evsel = hists_to_evsel(pair->hists);
- fb[perf_evsel__group_idx(evsel)] = get_field(pair);
+ fb[evsel__group_idx(evsel)] = get_field(pair);
}
*fields_a = fa;
@@ -190,7 +190,7 @@ static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
int cmp, nr_members, ret, i;
cmp = field_cmp(get_field(a), get_field(b));
- if (!perf_evsel__is_group_event(evsel))
+ if (!evsel__is_group_event(evsel))
return cmp;
nr_members = evsel->core.nr_members;
@@ -240,7 +240,7 @@ static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
return ret;
evsel = hists_to_evsel(a->hists);
- if (!perf_evsel__is_group_event(evsel))
+ if (!evsel__is_group_event(evsel))
return ret;
nr_members = evsel->core.nr_members;
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index c0cf8dff694e..ca07a162d602 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -10,6 +10,7 @@ perf-y += db-export.o
perf-y += env.o
perf-y += event.o
perf-y += evlist.o
+perf-y += sideband_evlist.o
perf-y += evsel.o
perf-y += evsel_fprintf.o
perf-y += perf_event_attr_fprintf.o
@@ -88,6 +89,7 @@ perf-y += counts.o
perf-y += stat.o
perf-y += stat-shadow.o
perf-y += stat-display.o
+perf-y += perf_api_probe.o
perf-y += record.o
perf-y += srcline.o
perf-y += srccode.o
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index f1ea0d61eb5b..d828c2d2edee 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1191,7 +1191,7 @@ static struct disasm_line *disasm_line__new(struct annotate_args *args)
struct disasm_line *dl = NULL;
int nr = 1;
- if (perf_evsel__is_group_event(args->evsel))
+ if (evsel__is_group_event(args->evsel))
nr = args->evsel->core.nr_members;
dl = zalloc(disasm_line_size(nr));
@@ -1437,7 +1437,7 @@ annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start
if (queue)
return -1;
- if (perf_evsel__is_group_event(evsel))
+ if (evsel__is_group_event(evsel))
width *= evsel->core.nr_members;
if (!*al->line)
@@ -1821,6 +1821,24 @@ static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused,
}
#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
+static int
+symbol__disassemble_bpf_image(struct symbol *sym,
+ struct annotate_args *args)
+{
+ struct annotation *notes = symbol__annotation(sym);
+ struct disasm_line *dl;
+
+ args->offset = -1;
+ args->line = strdup("to be implemented");
+ args->line_nr = 0;
+ dl = disasm_line__new(args);
+ if (dl)
+ annotation_line__add(&dl->al, &notes->src->source);
+
+ free(args->line);
+ return 0;
+}
+
/*
* Possibly create a new version of line with tabs expanded. Returns the
* existing or new line, storage is updated if a new line is allocated. If
@@ -1920,6 +1938,8 @@ static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) {
return symbol__disassemble_bpf(sym, args);
+ } else if (dso->binary_type == DSO_BINARY_TYPE__BPF_IMAGE) {
+ return symbol__disassemble_bpf_image(sym, args);
} else if (dso__is_kcore(dso)) {
kce.kcore_filename = symfs_filename;
kce.addr = map__rip_2objdump(map, sym->start);
@@ -2136,7 +2156,7 @@ int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
.evsel = evsel,
.options = options,
};
- struct perf_env *env = perf_evsel__env(evsel);
+ struct perf_env *env = evsel__env(evsel);
const char *arch_name = perf_env__arch(env);
struct arch *arch;
int err;
@@ -2324,7 +2344,7 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel,
struct dso *dso = map->dso;
char *filename;
const char *d_filename;
- const char *evsel_name = perf_evsel__name(evsel);
+ const char *evsel_name = evsel__name(evsel);
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evsel->idx);
struct annotation_line *pos, *queue = NULL;
@@ -2348,9 +2368,9 @@ int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel,
len = symbol__size(sym);
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
width *= evsel->core.nr_members;
- perf_evsel__group_desc(evsel, buf, sizeof(buf));
+ evsel__group_desc(evsel, buf, sizeof(buf));
evsel_name = buf;
}
@@ -2485,7 +2505,7 @@ static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp,
int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel,
struct annotation_options *opts)
{
- const char *ev_name = perf_evsel__name(evsel);
+ const char *ev_name = evsel__name(evsel);
char buf[1024];
char *filename;
int err = -1;
@@ -2498,8 +2518,8 @@ int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel,
if (fp == NULL)
goto out_free_filename;
- if (perf_evsel__is_group_event(evsel)) {
- perf_evsel__group_desc(evsel, buf, sizeof(buf));
+ if (evsel__is_group_event(evsel)) {
+ evsel__group_desc(evsel, buf, sizeof(buf));
ev_name = buf;
}
@@ -3044,7 +3064,7 @@ int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
if (notes->offsets == NULL)
return ENOMEM;
- if (perf_evsel__is_group_event(evsel))
+ if (evsel__is_group_event(evsel))
nr_pcnt = evsel->core.nr_members;
err = symbol__annotate(ms, evsel, options, parch);
diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c
index 53be12b23ff4..875a0dd540e5 100644
--- a/tools/perf/util/arm-spe.c
+++ b/tools/perf/util/arm-spe.c
@@ -176,6 +176,14 @@ static void arm_spe_free(struct perf_session *session)
free(spe);
}
+static bool arm_spe_evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
+{
+ struct arm_spe *spe = container_of(session->auxtrace, struct arm_spe, auxtrace);
+
+ return evsel->core.attr.type == spe->pmu_type;
+}
+
static const char * const arm_spe_info_fmts[] = {
[ARM_SPE_PMU_TYPE] = " PMU Type %"PRId64"\n",
};
@@ -218,6 +226,7 @@ int arm_spe_process_auxtrace_info(union perf_event *event,
spe->auxtrace.flush_events = arm_spe_flush;
spe->auxtrace.free_events = arm_spe_free_events;
spe->auxtrace.free = arm_spe_free;
+ spe->auxtrace.evsel_is_auxtrace = arm_spe_evsel_is_auxtrace;
session->auxtrace = &spe->auxtrace;
arm_spe_print_info(&auxtrace_info->priv[0]);
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index 3571ce72ca28..749487a41cc7 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -33,6 +33,7 @@
#include "evsel.h"
#include "evsel_config.h"
#include "symbol.h"
+#include "util/perf_api_probe.h"
#include "util/synthetic-events.h"
#include "thread_map.h"
#include "asm/bug.h"
@@ -58,25 +59,6 @@
#include "symbol/kallsyms.h"
#include <internal/lib.h>
-static struct perf_pmu *perf_evsel__find_pmu(struct evsel *evsel)
-{
- struct perf_pmu *pmu = NULL;
-
- while ((pmu = perf_pmu__scan(pmu)) != NULL) {
- if (pmu->type == evsel->core.attr.type)
- break;
- }
-
- return pmu;
-}
-
-static bool perf_evsel__is_aux_event(struct evsel *evsel)
-{
- struct perf_pmu *pmu = perf_evsel__find_pmu(evsel);
-
- return pmu && pmu->auxtrace;
-}
-
/*
* Make a group from 'leader' to 'last', requiring that the events were not
* already grouped to a different leader.
@@ -88,7 +70,7 @@ static int perf_evlist__regroup(struct evlist *evlist,
struct evsel *evsel;
bool grp;
- if (!perf_evsel__is_group_leader(leader))
+ if (!evsel__is_group_leader(leader))
return -EINVAL;
grp = false;
@@ -703,8 +685,8 @@ static int auxtrace_validate_aux_sample_size(struct evlist *evlist,
evlist__for_each_entry(evlist, evsel) {
sz = evsel->core.attr.aux_sample_size;
- if (perf_evsel__is_group_leader(evsel)) {
- has_aux_leader = perf_evsel__is_aux_event(evsel);
+ if (evsel__is_group_leader(evsel)) {
+ has_aux_leader = evsel__is_aux_event(evsel);
if (sz) {
if (has_aux_leader)
pr_err("Cannot add AUX area sampling to an AUX area event\n");
@@ -723,10 +705,10 @@ static int auxtrace_validate_aux_sample_size(struct evlist *evlist,
pr_err("Cannot add AUX area sampling because group leader is not an AUX area event\n");
return -EINVAL;
}
- perf_evsel__set_sample_bit(evsel, AUX);
+ evsel__set_sample_bit(evsel, AUX);
opts->auxtrace_sample_mode = true;
} else {
- perf_evsel__reset_sample_bit(evsel, AUX);
+ evsel__reset_sample_bit(evsel, AUX);
}
}
@@ -777,8 +759,8 @@ int auxtrace_parse_sample_options(struct auxtrace_record *itr,
/* Set aux_sample_size based on --aux-sample option */
evlist__for_each_entry(evlist, evsel) {
- if (perf_evsel__is_group_leader(evsel)) {
- has_aux_leader = perf_evsel__is_aux_event(evsel);
+ if (evsel__is_group_leader(evsel)) {
+ has_aux_leader = evsel__is_aux_event(evsel);
} else if (has_aux_leader) {
evsel->core.attr.aux_sample_size = sz;
}
@@ -787,7 +769,7 @@ no_opt:
aux_evsel = NULL;
/* Override with aux_sample_size from config term */
evlist__for_each_entry(evlist, evsel) {
- if (perf_evsel__is_aux_event(evsel))
+ if (evsel__is_aux_event(evsel))
aux_evsel = evsel;
term = perf_evsel__get_config_term(evsel, AUX_SAMPLE_SIZE);
if (term) {
@@ -1234,29 +1216,79 @@ out_free:
return err;
}
+static void unleader_evsel(struct evlist *evlist, struct evsel *leader)
+{
+ struct evsel *new_leader = NULL;
+ struct evsel *evsel;
+
+ /* Find new leader for the group */
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->leader != leader || evsel == leader)
+ continue;
+ if (!new_leader)
+ new_leader = evsel;
+ evsel->leader = new_leader;
+ }
+
+ /* Update group information */
+ if (new_leader) {
+ zfree(&new_leader->group_name);
+ new_leader->group_name = leader->group_name;
+ leader->group_name = NULL;
+
+ new_leader->core.nr_members = leader->core.nr_members - 1;
+ leader->core.nr_members = 1;
+ }
+}
+
+static void unleader_auxtrace(struct perf_session *session)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(session->evlist, evsel) {
+ if (auxtrace__evsel_is_auxtrace(session, evsel) &&
+ evsel__is_group_leader(evsel)) {
+ unleader_evsel(session->evlist, evsel);
+ }
+ }
+}
+
int perf_event__process_auxtrace_info(struct perf_session *session,
union perf_event *event)
{
enum auxtrace_type type = event->auxtrace_info.type;
+ int err;
if (dump_trace)
fprintf(stdout, " type: %u\n", type);
switch (type) {
case PERF_AUXTRACE_INTEL_PT:
- return intel_pt_process_auxtrace_info(event, session);
+ err = intel_pt_process_auxtrace_info(event, session);
+ break;
case PERF_AUXTRACE_INTEL_BTS:
- return intel_bts_process_auxtrace_info(event, session);
+ err = intel_bts_process_auxtrace_info(event, session);
+ break;
case PERF_AUXTRACE_ARM_SPE:
- return arm_spe_process_auxtrace_info(event, session);
+ err = arm_spe_process_auxtrace_info(event, session);
+ break;
case PERF_AUXTRACE_CS_ETM:
- return cs_etm__process_auxtrace_info(event, session);
+ err = cs_etm__process_auxtrace_info(event, session);
+ break;
case PERF_AUXTRACE_S390_CPUMSF:
- return s390_cpumsf_process_auxtrace_info(event, session);
+ err = s390_cpumsf_process_auxtrace_info(event, session);
+ break;
case PERF_AUXTRACE_UNKNOWN:
default:
return -EINVAL;
}
+
+ if (err)
+ return err;
+
+ unleader_auxtrace(session);
+
+ return 0;
}
s64 perf_event__process_auxtrace(struct perf_session *session,
@@ -1412,8 +1444,12 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
synth_opts->branches = true;
synth_opts->returns = true;
break;
+ case 'G':
case 'g':
- synth_opts->callchain = true;
+ if (p[-1] == 'G')
+ synth_opts->add_callchain = true;
+ else
+ synth_opts->callchain = true;
synth_opts->callchain_sz =
PERF_ITRACE_DEFAULT_CALLCHAIN_SZ;
while (*p == ' ' || *p == ',')
@@ -1428,8 +1464,12 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
synth_opts->callchain_sz = val;
}
break;
+ case 'L':
case 'l':
- synth_opts->last_branch = true;
+ if (p[-1] == 'L')
+ synth_opts->add_last_branch = true;
+ else
+ synth_opts->last_branch = true;
synth_opts->last_branch_sz =
PERF_ITRACE_DEFAULT_LAST_BRANCH_SZ;
while (*p == ' ' || *p == ',')
@@ -2482,7 +2522,7 @@ static int parse_addr_filter(struct evsel *evsel, const char *filter,
goto out_exit;
}
- if (perf_evsel__append_addr_filter(evsel, new_filter)) {
+ if (evsel__append_addr_filter(evsel, new_filter)) {
err = -ENOMEM;
goto out_exit;
}
@@ -2500,9 +2540,9 @@ out_exit:
return err;
}
-static int perf_evsel__nr_addr_filter(struct evsel *evsel)
+static int evsel__nr_addr_filter(struct evsel *evsel)
{
- struct perf_pmu *pmu = perf_evsel__find_pmu(evsel);
+ struct perf_pmu *pmu = evsel__find_pmu(evsel);
int nr_addr_filters = 0;
if (!pmu)
@@ -2521,7 +2561,7 @@ int auxtrace_parse_filters(struct evlist *evlist)
evlist__for_each_entry(evlist, evsel) {
filter = evsel->filter;
- max_nr = perf_evsel__nr_addr_filter(evsel);
+ max_nr = evsel__nr_addr_filter(evsel);
if (!filter || !max_nr)
continue;
evsel->filter = NULL;
@@ -2577,3 +2617,12 @@ void auxtrace__free(struct perf_session *session)
return session->auxtrace->free(session);
}
+
+bool auxtrace__evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
+{
+ if (!session->auxtrace || !session->auxtrace->evsel_is_auxtrace)
+ return false;
+
+ return session->auxtrace->evsel_is_auxtrace(session, evsel);
+}
diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index e58ef160b599..0220a2e86c16 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -21,6 +21,7 @@
union perf_event;
struct perf_session;
struct evlist;
+struct evsel;
struct perf_tool;
struct mmap;
struct perf_sample;
@@ -73,8 +74,10 @@ enum itrace_period_type {
* @calls: limit branch samples to calls (can be combined with @returns)
* @returns: limit branch samples to returns (can be combined with @calls)
* @callchain: add callchain to 'instructions' events
+ * @add_callchain: add callchain to existing event records
* @thread_stack: feed branches to the thread_stack
* @last_branch: add branch context to 'instruction' events
+ * @add_last_branch: add branch context to existing event records
* @callchain_sz: maximum callchain size
* @last_branch_sz: branch context size
* @period: 'instructions' events period
@@ -100,8 +103,10 @@ struct itrace_synth_opts {
bool calls;
bool returns;
bool callchain;
+ bool add_callchain;
bool thread_stack;
bool last_branch;
+ bool add_last_branch;
unsigned int callchain_sz;
unsigned int last_branch_sz;
unsigned long long period;
@@ -166,6 +171,8 @@ struct auxtrace {
struct perf_tool *tool);
void (*free_events)(struct perf_session *session);
void (*free)(struct perf_session *session);
+ bool (*evsel_is_auxtrace)(struct perf_session *session,
+ struct evsel *evsel);
};
/**
@@ -584,6 +591,8 @@ void auxtrace__dump_auxtrace_sample(struct perf_session *session,
int auxtrace__flush_events(struct perf_session *session, struct perf_tool *tool);
void auxtrace__free_events(struct perf_session *session);
void auxtrace__free(struct perf_session *session);
+bool auxtrace__evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel);
#define ITRACE_HELP \
" i: synthesize instructions events\n" \
@@ -750,6 +759,13 @@ void auxtrace_index__free(struct list_head *head __maybe_unused)
}
static inline
+bool auxtrace__evsel_is_auxtrace(struct perf_session *session __maybe_unused,
+ struct evsel *evsel __maybe_unused)
+{
+ return false;
+}
+
+static inline
int auxtrace_parse_filters(struct evlist *evlist __maybe_unused)
{
return 0;
diff --git a/tools/perf/util/bpf-event.c b/tools/perf/util/bpf-event.c
index a3207d900339..3742511a08d1 100644
--- a/tools/perf/util/bpf-event.c
+++ b/tools/perf/util/bpf-event.c
@@ -6,6 +6,9 @@
#include <bpf/libbpf.h>
#include <linux/btf.h>
#include <linux/err.h>
+#include <linux/string.h>
+#include <internal/lib.h>
+#include <symbol/kallsyms.h>
#include "bpf-event.h"
#include "debug.h"
#include "dso.h"
@@ -290,11 +293,82 @@ out:
return err ? -1 : 0;
}
+struct kallsyms_parse {
+ union perf_event *event;
+ perf_event__handler_t process;
+ struct machine *machine;
+ struct perf_tool *tool;
+};
+
+static int
+process_bpf_image(char *name, u64 addr, struct kallsyms_parse *data)
+{
+ struct machine *machine = data->machine;
+ union perf_event *event = data->event;
+ struct perf_record_ksymbol *ksymbol;
+ int len;
+
+ ksymbol = &event->ksymbol;
+
+ *ksymbol = (struct perf_record_ksymbol) {
+ .header = {
+ .type = PERF_RECORD_KSYMBOL,
+ .size = offsetof(struct perf_record_ksymbol, name),
+ },
+ .addr = addr,
+ .len = page_size,
+ .ksym_type = PERF_RECORD_KSYMBOL_TYPE_BPF,
+ .flags = 0,
+ };
+
+ len = scnprintf(ksymbol->name, KSYM_NAME_LEN, "%s", name);
+ ksymbol->header.size += PERF_ALIGN(len + 1, sizeof(u64));
+ memset((void *) event + event->header.size, 0, machine->id_hdr_size);
+ event->header.size += machine->id_hdr_size;
+
+ return perf_tool__process_synth_event(data->tool, event, machine,
+ data->process);
+}
+
+static int
+kallsyms_process_symbol(void *data, const char *_name,
+ char type __maybe_unused, u64 start)
+{
+ char disp[KSYM_NAME_LEN];
+ char *module, *name;
+ unsigned long id;
+ int err = 0;
+
+ module = strchr(_name, '\t');
+ if (!module)
+ return 0;
+
+ /* We are going after [bpf] module ... */
+ if (strcmp(module + 1, "[bpf]"))
+ return 0;
+
+ name = memdup(_name, (module - _name) + 1);
+ if (!name)
+ return -ENOMEM;
+
+ name[module - _name] = 0;
+
+ /* .. and only for trampolines and dispatchers */
+ if ((sscanf(name, "bpf_trampoline_%lu", &id) == 1) ||
+ (sscanf(name, "bpf_dispatcher_%s", disp) == 1))
+ err = process_bpf_image(name, start, data);
+
+ free(name);
+ return err;
+}
+
int perf_event__synthesize_bpf_events(struct perf_session *session,
perf_event__handler_t process,
struct machine *machine,
struct record_opts *opts)
{
+ const char *kallsyms_filename = "/proc/kallsyms";
+ struct kallsyms_parse arg;
union perf_event *event;
__u32 id = 0;
int err;
@@ -303,6 +377,8 @@ int perf_event__synthesize_bpf_events(struct perf_session *session,
event = malloc(sizeof(event->bpf) + KSYM_NAME_LEN + machine->id_hdr_size);
if (!event)
return -1;
+
+ /* Synthesize all the bpf programs in system. */
while (true) {
err = bpf_prog_get_next_id(id, &id);
if (err) {
@@ -335,6 +411,23 @@ int perf_event__synthesize_bpf_events(struct perf_session *session,
break;
}
}
+
+ /* Synthesize all the bpf images - trampolines/dispatchers. */
+ if (symbol_conf.kallsyms_name != NULL)
+ kallsyms_filename = symbol_conf.kallsyms_name;
+
+ arg = (struct kallsyms_parse) {
+ .event = event,
+ .process = process,
+ .machine = machine,
+ .tool = session->tool,
+ };
+
+ if (kallsyms__parse(kallsyms_filename, &arg, kallsyms_process_symbol)) {
+ pr_err("%s: failed to synthesize bpf images: %s\n",
+ __func__, strerror(errno));
+ }
+
free(event);
return err;
}
@@ -416,8 +509,7 @@ static int bpf_event__sb_cb(union perf_event *event, void *data)
return 0;
}
-int bpf_event__add_sb_event(struct evlist **evlist,
- struct perf_env *env)
+int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env)
{
struct perf_event_attr attr = {
.type = PERF_TYPE_SOFTWARE,
diff --git a/tools/perf/util/bpf-event.h b/tools/perf/util/bpf-event.h
index 81fdc88e6c1a..68f315c3df5b 100644
--- a/tools/perf/util/bpf-event.h
+++ b/tools/perf/util/bpf-event.h
@@ -33,8 +33,7 @@ struct btf_node {
#ifdef HAVE_LIBBPF_SUPPORT
int machine__process_bpf(struct machine *machine, union perf_event *event,
struct perf_sample *sample);
-int bpf_event__add_sb_event(struct evlist **evlist,
- struct perf_env *env);
+int evlist__add_bpf_sb_event(struct evlist *evlist, struct perf_env *env);
void bpf_event__print_bpf_prog_info(struct bpf_prog_info *info,
struct perf_env *env,
FILE *fp);
@@ -46,8 +45,8 @@ static inline int machine__process_bpf(struct machine *machine __maybe_unused,
return 0;
}
-static inline int bpf_event__add_sb_event(struct evlist **evlist __maybe_unused,
- struct perf_env *env __maybe_unused)
+static inline int evlist__add_bpf_sb_event(struct evlist *evlist __maybe_unused,
+ struct perf_env *env __maybe_unused)
{
return 0;
}
diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 10c187b8b8ea..83bfb8768235 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -1430,7 +1430,7 @@ apply_config_evsel_for_key(const char *name, int map_fd, void *pkey,
return -BPF_LOADER_ERRNO__OBJCONF_MAP_EVTINH;
}
- if (perf_evsel__is_bpf_output(evsel))
+ if (evsel__is_bpf_output(evsel))
check_pass = true;
if (attr->type == PERF_TYPE_RAW)
check_pass = true;
diff --git a/tools/perf/util/branch.h b/tools/perf/util/branch.h
index 154a05cd03af..4d3f02fa223d 100644
--- a/tools/perf/util/branch.h
+++ b/tools/perf/util/branch.h
@@ -15,13 +15,18 @@
#include "event.h"
struct branch_flags {
- u64 mispred:1;
- u64 predicted:1;
- u64 in_tx:1;
- u64 abort:1;
- u64 cycles:16;
- u64 type:4;
- u64 reserved:40;
+ union {
+ u64 value;
+ struct {
+ u64 mispred:1;
+ u64 predicted:1;
+ u64 in_tx:1;
+ u64 abort:1;
+ u64 cycles:16;
+ u64 type:4;
+ u64 reserved:40;
+ };
+ };
};
struct branch_info {
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h
index 706bb7bbe1e1..8f668ee29f25 100644
--- a/tools/perf/util/callchain.h
+++ b/tools/perf/util/callchain.h
@@ -143,6 +143,9 @@ struct callchain_cursor_node {
u64 ip;
struct map_symbol ms;
const char *srcline;
+ /* Indicate valid cursor node for LBR stitch */
+ bool valid;
+
bool branch;
struct branch_flags branch_flags;
u64 branch_from;
@@ -151,6 +154,11 @@ struct callchain_cursor_node {
struct callchain_cursor_node *next;
};
+struct stitch_list {
+ struct list_head node;
+ struct callchain_cursor_node cursor;
+};
+
struct callchain_cursor {
u64 nr;
struct callchain_cursor_node *first;
diff --git a/tools/perf/util/cap.h b/tools/perf/util/cap.h
index 051dc590ceee..ae52878c0b2e 100644
--- a/tools/perf/util/cap.h
+++ b/tools/perf/util/cap.h
@@ -29,4 +29,8 @@ static inline bool perf_cap__capable(int cap __maybe_unused)
#define CAP_SYSLOG 34
#endif
+#ifndef CAP_PERFMON
+#define CAP_PERFMON 38
+#endif
+
#endif /* __PERF_CAP_H */
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index b73fb7823048..050dea9f1e88 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -107,7 +107,8 @@ found:
static void cgroup__delete(struct cgroup *cgroup)
{
- close(cgroup->fd);
+ if (cgroup->fd >= 0)
+ close(cgroup->fd);
zfree(&cgroup->name);
free(cgroup);
}
diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c
index a12872f2856a..6b3988a7aba8 100644
--- a/tools/perf/util/cloexec.c
+++ b/tools/perf/util/cloexec.c
@@ -28,7 +28,7 @@ int __weak sched_getcpu(void)
static int perf_flag_probe(void)
{
- /* use 'safest' configuration as used in perf_evsel__fallback() */
+ /* use 'safest' configuration as used in evsel__fallback() */
struct perf_event_attr attr = {
.type = PERF_TYPE_SOFTWARE,
.config = PERF_COUNT_SW_CPU_CLOCK,
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index cd92a99eb89d..cd007cc9c283 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -564,6 +564,8 @@ static ocsd_datapath_resp_t cs_etm_decoder__gen_trace_elem_printer(
resp = cs_etm_decoder__set_tid(etmq, packet_queue,
elem, trace_chan_id);
break;
+ /* Unused packet types */
+ case OCSD_GEN_TRC_ELEM_I_RANGE_NOPATH:
case OCSD_GEN_TRC_ELEM_ADDR_NACC:
case OCSD_GEN_TRC_ELEM_CYCLE_COUNT:
case OCSD_GEN_TRC_ELEM_ADDR_UNKNOWN:
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 62d2f9b9ce1b..c283223fb31f 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -94,6 +94,9 @@ struct cs_etm_queue {
struct cs_etm_traceid_queue **traceid_queues;
};
+/* RB tree for quick conversion between traceID and metadata pointers */
+static struct intlist *traceid_list;
+
static int cs_etm__update_queues(struct cs_etm_auxtrace *etm);
static int cs_etm__process_queues(struct cs_etm_auxtrace *etm);
static int cs_etm__process_timeless_queues(struct cs_etm_auxtrace *etm,
@@ -631,6 +634,16 @@ static void cs_etm__free(struct perf_session *session)
zfree(&aux);
}
+static bool cs_etm__evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
+{
+ struct cs_etm_auxtrace *aux = container_of(session->auxtrace,
+ struct cs_etm_auxtrace,
+ auxtrace);
+
+ return evsel->core.attr.type == aux->pmu_type;
+}
+
static u8 cs_etm__cpu_mode(struct cs_etm_queue *etmq, u64 address)
{
struct machine *machine;
@@ -2618,6 +2631,7 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
etm->auxtrace.flush_events = cs_etm__flush_events;
etm->auxtrace.free_events = cs_etm__free_events;
etm->auxtrace.free = cs_etm__free;
+ etm->auxtrace.evsel_is_auxtrace = cs_etm__evsel_is_auxtrace;
session->auxtrace = &etm->auxtrace;
etm->unknown_thread = thread__new(999999999, 999999999);
diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h
index 650ecc2a6349..4ad925d6d799 100644
--- a/tools/perf/util/cs-etm.h
+++ b/tools/perf/util/cs-etm.h
@@ -114,9 +114,6 @@ enum cs_etm_isa {
CS_ETM_ISA_T32,
};
-/* RB tree for quick conversion between traceID and metadata pointers */
-struct intlist *traceid_list;
-
struct cs_etm_queue;
struct cs_etm_packet {
diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index dbc772bfb04e..5f36fc6a5578 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -835,7 +835,7 @@ static int process_sample_event(struct perf_tool *tool,
return -1;
}
- if (perf_evsel__is_bpf_output(evsel)) {
+ if (evsel__is_bpf_output(evsel)) {
ret = add_bpf_output_values(event_class, event, sample);
if (ret)
return -1;
@@ -1155,7 +1155,7 @@ static int add_event(struct ctf_writer *cw, struct evsel *evsel)
{
struct bt_ctf_event_class *event_class;
struct evsel_priv *priv;
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
int ret;
pr("Adding event '%s' (type %d)\n", name, evsel->core.attr.type);
@@ -1174,7 +1174,7 @@ static int add_event(struct ctf_writer *cw, struct evsel *evsel)
goto err;
}
- if (perf_evsel__is_bpf_output(evsel)) {
+ if (evsel__is_bpf_output(evsel)) {
ret = add_bpf_output_types(cw, event_class);
if (ret)
goto err;
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 91f21239608b..f338990e0fe6 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -191,6 +191,7 @@ int dso__read_binary_type_filename(const struct dso *dso,
case DSO_BINARY_TYPE__GUEST_KALLSYMS:
case DSO_BINARY_TYPE__JAVA_JIT:
case DSO_BINARY_TYPE__BPF_PROG_INFO:
+ case DSO_BINARY_TYPE__BPF_IMAGE:
case DSO_BINARY_TYPE__NOT_FOUND:
ret = -1;
break;
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h
index 2db64b79617a..9553a1fd9e8a 100644
--- a/tools/perf/util/dso.h
+++ b/tools/perf/util/dso.h
@@ -40,6 +40,7 @@ enum dso_binary_type {
DSO_BINARY_TYPE__GUEST_KCORE,
DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO,
DSO_BINARY_TYPE__BPF_PROG_INFO,
+ DSO_BINARY_TYPE__BPF_IMAGE,
DSO_BINARY_TYPE__NOT_FOUND,
};
diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h
index 7632075a8792..1ab2682d5d2b 100644
--- a/tools/perf/util/env.h
+++ b/tools/perf/util/env.h
@@ -48,6 +48,7 @@ struct perf_env {
char *cpuid;
unsigned long long total_mem;
unsigned int msr_pmu_type;
+ unsigned int max_branches;
int nr_cmdline;
int nr_sibling_cores;
@@ -57,12 +58,14 @@ struct perf_env {
int nr_memory_nodes;
int nr_pmu_mappings;
int nr_groups;
+ int nr_cpu_pmu_caps;
char *cmdline;
const char **cmdline_argv;
char *sibling_cores;
char *sibling_dies;
char *sibling_threads;
char *pmu_mappings;
+ char *cpu_pmu_caps;
struct cpu_topology_map *cpu;
struct cpu_cache_level *caches;
int caches_cnt;
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index dc0e11214ae1..f581550a3015 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -626,7 +626,7 @@ int machine__resolve(struct machine *machine, struct addr_location *al,
ret = strlist__has_entry(symbol_conf.sym_list,
al->sym->name);
}
- if (!(ret && al->sym)) {
+ if (!ret && al->sym) {
snprintf(al_addr_str, sz, "0x%"PRIx64,
al->map->unmap_ip(al->map, al->sym->start));
ret = strlist__has_entry(symbol_conf.sym_list,
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 1548237b6558..0a0b760d6948 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -23,6 +23,7 @@
#include "asm/bug.h"
#include "bpf-event.h"
#include "util/string2.h"
+#include "util/perf_api_probe.h"
#include <signal.h>
#include <unistd.h>
#include <sched.h>
@@ -118,7 +119,7 @@ static void perf_evlist__update_id_pos(struct evlist *evlist)
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel)
- perf_evsel__calc_id_pos(evsel);
+ evsel__calc_id_pos(evsel);
perf_evlist__set_id_pos(evlist);
}
@@ -390,14 +391,14 @@ void evlist__disable(struct evlist *evlist)
evlist__for_each_entry(evlist, pos) {
if (evsel__cpu_iter_skip(pos, cpu))
continue;
- if (pos->disabled || !perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ if (pos->disabled || !evsel__is_group_leader(pos) || !pos->core.fd)
continue;
evsel__disable_cpu(pos, pos->cpu_iter - 1);
}
}
affinity__cleanup(&affinity);
evlist__for_each_entry(evlist, pos) {
- if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ if (!evsel__is_group_leader(pos) || !pos->core.fd)
continue;
pos->disabled = true;
}
@@ -420,14 +421,14 @@ void evlist__enable(struct evlist *evlist)
evlist__for_each_entry(evlist, pos) {
if (evsel__cpu_iter_skip(pos, cpu))
continue;
- if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ if (!evsel__is_group_leader(pos) || !pos->core.fd)
continue;
evsel__enable_cpu(pos, pos->cpu_iter - 1);
}
}
affinity__cleanup(&affinity);
evlist__for_each_entry(evlist, pos) {
- if (!perf_evsel__is_group_leader(pos) || !pos->core.fd)
+ if (!evsel__is_group_leader(pos) || !pos->core.fd)
continue;
pos->disabled = false;
}
@@ -947,7 +948,7 @@ void __perf_evlist__set_sample_bit(struct evlist *evlist,
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel)
- __perf_evsel__set_sample_bit(evsel, bit);
+ __evsel__set_sample_bit(evsel, bit);
}
void __perf_evlist__reset_sample_bit(struct evlist *evlist,
@@ -956,7 +957,7 @@ void __perf_evlist__reset_sample_bit(struct evlist *evlist,
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel)
- __perf_evsel__reset_sample_bit(evsel, bit);
+ __evsel__reset_sample_bit(evsel, bit);
}
int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel)
@@ -994,7 +995,7 @@ int perf_evlist__set_tp_filter(struct evlist *evlist, const char *filter)
if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
continue;
- err = perf_evsel__set_filter(evsel, filter);
+ err = evsel__set_filter(evsel, filter);
if (err)
break;
}
@@ -1014,7 +1015,7 @@ int perf_evlist__append_tp_filter(struct evlist *evlist, const char *filter)
if (evsel->core.attr.type != PERF_TYPE_TRACEPOINT)
continue;
- err = perf_evsel__append_tp_filter(evsel, filter);
+ err = evsel__append_tp_filter(evsel, filter);
if (err)
break;
}
@@ -1131,8 +1132,10 @@ bool perf_evlist__valid_read_format(struct evlist *evlist)
u64 sample_type = first->core.attr.sample_type;
evlist__for_each_entry(evlist, pos) {
- if (read_format != pos->core.attr.read_format)
- return false;
+ if (read_format != pos->core.attr.read_format) {
+ pr_debug("Read format differs %#" PRIx64 " vs %#" PRIx64 "\n",
+ read_format, (u64)pos->core.attr.read_format);
+ }
}
/* PERF_SAMPLE_READ imples PERF_FORMAT_ID. */
@@ -1436,7 +1439,7 @@ int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
if (!evsel)
return -EFAULT;
- return perf_evsel__parse_sample(evsel, event, sample);
+ return evsel__parse_sample(evsel, event, sample);
}
int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
@@ -1447,7 +1450,7 @@ int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
if (!evsel)
return -EFAULT;
- return perf_evsel__parse_sample_timestamp(evsel, event, timestamp);
+ return evsel__parse_sample_timestamp(evsel, event, timestamp);
}
int perf_evlist__strerror_open(struct evlist *evlist,
@@ -1701,133 +1704,3 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list,
}
return leader;
}
-
-int perf_evlist__add_sb_event(struct evlist **evlist,
- struct perf_event_attr *attr,
- perf_evsel__sb_cb_t cb,
- void *data)
-{
- struct evsel *evsel;
- bool new_evlist = (*evlist) == NULL;
-
- if (*evlist == NULL)
- *evlist = evlist__new();
- if (*evlist == NULL)
- return -1;
-
- if (!attr->sample_id_all) {
- pr_warning("enabling sample_id_all for all side band events\n");
- attr->sample_id_all = 1;
- }
-
- evsel = perf_evsel__new_idx(attr, (*evlist)->core.nr_entries);
- if (!evsel)
- goto out_err;
-
- evsel->side_band.cb = cb;
- evsel->side_band.data = data;
- evlist__add(*evlist, evsel);
- return 0;
-
-out_err:
- if (new_evlist) {
- evlist__delete(*evlist);
- *evlist = NULL;
- }
- return -1;
-}
-
-static void *perf_evlist__poll_thread(void *arg)
-{
- struct evlist *evlist = arg;
- bool draining = false;
- int i, done = 0;
- /*
- * In order to read symbols from other namespaces perf to needs to call
- * setns(2). This isn't permitted if the struct_fs has multiple users.
- * unshare(2) the fs so that we may continue to setns into namespaces
- * that we're observing when, for instance, reading the build-ids at
- * the end of a 'perf record' session.
- */
- unshare(CLONE_FS);
-
- while (!done) {
- bool got_data = false;
-
- if (evlist->thread.done)
- draining = true;
-
- if (!draining)
- evlist__poll(evlist, 1000);
-
- for (i = 0; i < evlist->core.nr_mmaps; i++) {
- struct mmap *map = &evlist->mmap[i];
- union perf_event *event;
-
- if (perf_mmap__read_init(&map->core))
- continue;
- while ((event = perf_mmap__read_event(&map->core)) != NULL) {
- struct evsel *evsel = perf_evlist__event2evsel(evlist, event);
-
- if (evsel && evsel->side_band.cb)
- evsel->side_band.cb(event, evsel->side_band.data);
- else
- pr_warning("cannot locate proper evsel for the side band event\n");
-
- perf_mmap__consume(&map->core);
- got_data = true;
- }
- perf_mmap__read_done(&map->core);
- }
-
- if (draining && !got_data)
- break;
- }
- return NULL;
-}
-
-int perf_evlist__start_sb_thread(struct evlist *evlist,
- struct target *target)
-{
- struct evsel *counter;
-
- if (!evlist)
- return 0;
-
- if (perf_evlist__create_maps(evlist, target))
- goto out_delete_evlist;
-
- evlist__for_each_entry(evlist, counter) {
- if (evsel__open(counter, evlist->core.cpus,
- evlist->core.threads) < 0)
- goto out_delete_evlist;
- }
-
- if (evlist__mmap(evlist, UINT_MAX))
- goto out_delete_evlist;
-
- evlist__for_each_entry(evlist, counter) {
- if (evsel__enable(counter))
- goto out_delete_evlist;
- }
-
- evlist->thread.done = 0;
- if (pthread_create(&evlist->thread.th, NULL, perf_evlist__poll_thread, evlist))
- goto out_delete_evlist;
-
- return 0;
-
-out_delete_evlist:
- evlist__delete(evlist);
- evlist = NULL;
- return -1;
-}
-
-void perf_evlist__stop_sb_thread(struct evlist *evlist)
-{
- if (!evlist)
- return;
- evlist->thread.done = 1;
- pthread_join(evlist->thread.th, NULL);
- evlist__delete(evlist);
-}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index f5bd5c386df1..b6f325dfb4d2 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -107,10 +107,11 @@ int __perf_evlist__add_default_attrs(struct evlist *evlist,
int perf_evlist__add_dummy(struct evlist *evlist);
-int perf_evlist__add_sb_event(struct evlist **evlist,
+int perf_evlist__add_sb_event(struct evlist *evlist,
struct perf_event_attr *attr,
- perf_evsel__sb_cb_t cb,
+ evsel__sb_cb_t cb,
void *data);
+void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data);
int perf_evlist__start_sb_thread(struct evlist *evlist,
struct target *target);
void perf_evlist__stop_sb_thread(struct evlist *evlist);
@@ -173,10 +174,6 @@ void evlist__close(struct evlist *evlist);
struct callchain_param;
void perf_evlist__set_id_pos(struct evlist *evlist);
-bool perf_can_sample_identifier(void);
-bool perf_can_record_switch_events(void);
-bool perf_can_record_cpu_wide(void);
-bool perf_can_aux_sample(void);
void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
struct callchain_param *callchain);
int record_opts__config(struct record_opts *opts);
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index eb880efbce16..f3e60c45d59a 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -102,7 +102,7 @@ set_methods:
#define FD(e, x, y) (*(int *)xyarray__entry(e->core.fd, x, y))
-int __perf_evsel__sample_size(u64 sample_type)
+int __evsel__sample_size(u64 sample_type)
{
u64 mask = sample_type & PERF_SAMPLE_MASK;
int size = 0;
@@ -178,53 +178,53 @@ static int __perf_evsel__calc_is_pos(u64 sample_type)
return idx;
}
-void perf_evsel__calc_id_pos(struct evsel *evsel)
+void evsel__calc_id_pos(struct evsel *evsel)
{
evsel->id_pos = __perf_evsel__calc_id_pos(evsel->core.attr.sample_type);
evsel->is_pos = __perf_evsel__calc_is_pos(evsel->core.attr.sample_type);
}
-void __perf_evsel__set_sample_bit(struct evsel *evsel,
+void __evsel__set_sample_bit(struct evsel *evsel,
enum perf_event_sample_format bit)
{
if (!(evsel->core.attr.sample_type & bit)) {
evsel->core.attr.sample_type |= bit;
evsel->sample_size += sizeof(u64);
- perf_evsel__calc_id_pos(evsel);
+ evsel__calc_id_pos(evsel);
}
}
-void __perf_evsel__reset_sample_bit(struct evsel *evsel,
+void __evsel__reset_sample_bit(struct evsel *evsel,
enum perf_event_sample_format bit)
{
if (evsel->core.attr.sample_type & bit) {
evsel->core.attr.sample_type &= ~bit;
evsel->sample_size -= sizeof(u64);
- perf_evsel__calc_id_pos(evsel);
+ evsel__calc_id_pos(evsel);
}
}
-void perf_evsel__set_sample_id(struct evsel *evsel,
+void evsel__set_sample_id(struct evsel *evsel,
bool can_sample_identifier)
{
if (can_sample_identifier) {
- perf_evsel__reset_sample_bit(evsel, ID);
- perf_evsel__set_sample_bit(evsel, IDENTIFIER);
+ evsel__reset_sample_bit(evsel, ID);
+ evsel__set_sample_bit(evsel, IDENTIFIER);
} else {
- perf_evsel__set_sample_bit(evsel, ID);
+ evsel__set_sample_bit(evsel, ID);
}
evsel->core.attr.read_format |= PERF_FORMAT_ID;
}
/**
- * perf_evsel__is_function_event - Return whether given evsel is a function
+ * evsel__is_function_event - Return whether given evsel is a function
* trace event
*
* @evsel - evsel selector to be tested
*
* Return %true if event is function trace event
*/
-bool perf_evsel__is_function_event(struct evsel *evsel)
+bool evsel__is_function_event(struct evsel *evsel)
{
#define FUNCTION_EVENT "ftrace:function"
@@ -249,8 +249,8 @@ void evsel__init(struct evsel *evsel,
evsel->bpf_fd = -1;
INIT_LIST_HEAD(&evsel->config_terms);
perf_evsel__object.init(evsel);
- evsel->sample_size = __perf_evsel__sample_size(attr->sample_type);
- perf_evsel__calc_id_pos(evsel);
+ evsel->sample_size = __evsel__sample_size(attr->sample_type);
+ evsel__calc_id_pos(evsel);
evsel->cmdline_group_boundary = false;
evsel->metric_expr = NULL;
evsel->metric_name = NULL;
@@ -267,13 +267,13 @@ struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx)
return NULL;
evsel__init(evsel, attr, idx);
- if (perf_evsel__is_bpf_output(evsel)) {
+ if (evsel__is_bpf_output(evsel)) {
evsel->core.attr.sample_type |= (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME |
PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD),
evsel->core.attr.sample_period = 1;
}
- if (perf_evsel__is_clock(evsel)) {
+ if (evsel__is_clock(evsel)) {
/*
* The evsel->unit points to static alias->unit
* so it's ok to use static string in here.
@@ -385,7 +385,7 @@ const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX] = {
"ref-cycles",
};
-static const char *__perf_evsel__hw_name(u64 config)
+static const char *__evsel__hw_name(u64 config)
{
if (config < PERF_COUNT_HW_MAX && perf_evsel__hw_names[config])
return perf_evsel__hw_names[config];
@@ -429,9 +429,9 @@ static int perf_evsel__add_modifiers(struct evsel *evsel, char *bf, size_t size)
return r;
}
-static int perf_evsel__hw_name(struct evsel *evsel, char *bf, size_t size)
+static int evsel__hw_name(struct evsel *evsel, char *bf, size_t size)
{
- int r = scnprintf(bf, size, "%s", __perf_evsel__hw_name(evsel->core.attr.config));
+ int r = scnprintf(bf, size, "%s", __evsel__hw_name(evsel->core.attr.config));
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
@@ -448,20 +448,20 @@ const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX] = {
"dummy",
};
-static const char *__perf_evsel__sw_name(u64 config)
+static const char *__evsel__sw_name(u64 config)
{
if (config < PERF_COUNT_SW_MAX && perf_evsel__sw_names[config])
return perf_evsel__sw_names[config];
return "unknown-software";
}
-static int perf_evsel__sw_name(struct evsel *evsel, char *bf, size_t size)
+static int evsel__sw_name(struct evsel *evsel, char *bf, size_t size)
{
- int r = scnprintf(bf, size, "%s", __perf_evsel__sw_name(evsel->core.attr.config));
+ int r = scnprintf(bf, size, "%s", __evsel__sw_name(evsel->core.attr.config));
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
-static int __perf_evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
+static int __evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
{
int r;
@@ -479,10 +479,10 @@ static int __perf_evsel__bp_name(char *bf, size_t size, u64 addr, u64 type)
return r;
}
-static int perf_evsel__bp_name(struct evsel *evsel, char *bf, size_t size)
+static int evsel__bp_name(struct evsel *evsel, char *bf, size_t size)
{
struct perf_event_attr *attr = &evsel->core.attr;
- int r = __perf_evsel__bp_name(bf, size, attr->bp_addr, attr->bp_type);
+ int r = __evsel__bp_name(bf, size, attr->bp_addr, attr->bp_type);
return r + perf_evsel__add_modifiers(evsel, bf + r, size - r);
}
@@ -531,7 +531,7 @@ static unsigned long perf_evsel__hw_cache_stat[C(MAX)] = {
[C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
};
-bool perf_evsel__is_cache_op_valid(u8 type, u8 op)
+bool evsel__is_cache_op_valid(u8 type, u8 op)
{
if (perf_evsel__hw_cache_stat[type] & COP(op))
return true; /* valid */
@@ -539,8 +539,7 @@ bool perf_evsel__is_cache_op_valid(u8 type, u8 op)
return false; /* invalid */
}
-int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
- char *bf, size_t size)
+int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size)
{
if (result) {
return scnprintf(bf, size, "%s-%s-%s", perf_evsel__hw_cache[type][0],
@@ -552,7 +551,7 @@ int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
perf_evsel__hw_cache_op[op][1]);
}
-static int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size)
+static int __evsel__hw_cache_name(u64 config, char *bf, size_t size)
{
u8 op, result, type = (config >> 0) & 0xff;
const char *err = "unknown-ext-hardware-cache-type";
@@ -571,33 +570,33 @@ static int __perf_evsel__hw_cache_name(u64 config, char *bf, size_t size)
goto out_err;
err = "invalid-cache";
- if (!perf_evsel__is_cache_op_valid(type, op))
+ if (!evsel__is_cache_op_valid(type, op))
goto out_err;
- return __perf_evsel__hw_cache_type_op_res_name(type, op, result, bf, size);
+ return __evsel__hw_cache_type_op_res_name(type, op, result, bf, size);
out_err:
return scnprintf(bf, size, "%s", err);
}
-static int perf_evsel__hw_cache_name(struct evsel *evsel, char *bf, size_t size)
+static int evsel__hw_cache_name(struct evsel *evsel, char *bf, size_t size)
{
- int ret = __perf_evsel__hw_cache_name(evsel->core.attr.config, bf, size);
+ int ret = __evsel__hw_cache_name(evsel->core.attr.config, bf, size);
return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret);
}
-static int perf_evsel__raw_name(struct evsel *evsel, char *bf, size_t size)
+static int evsel__raw_name(struct evsel *evsel, char *bf, size_t size)
{
int ret = scnprintf(bf, size, "raw 0x%" PRIx64, evsel->core.attr.config);
return ret + perf_evsel__add_modifiers(evsel, bf + ret, size - ret);
}
-static int perf_evsel__tool_name(char *bf, size_t size)
+static int evsel__tool_name(char *bf, size_t size)
{
int ret = scnprintf(bf, size, "duration_time");
return ret;
}
-const char *perf_evsel__name(struct evsel *evsel)
+const char *evsel__name(struct evsel *evsel)
{
char bf[128];
@@ -609,22 +608,22 @@ const char *perf_evsel__name(struct evsel *evsel)
switch (evsel->core.attr.type) {
case PERF_TYPE_RAW:
- perf_evsel__raw_name(evsel, bf, sizeof(bf));
+ evsel__raw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_HARDWARE:
- perf_evsel__hw_name(evsel, bf, sizeof(bf));
+ evsel__hw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_HW_CACHE:
- perf_evsel__hw_cache_name(evsel, bf, sizeof(bf));
+ evsel__hw_cache_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_SOFTWARE:
if (evsel->tool_event)
- perf_evsel__tool_name(bf, sizeof(bf));
+ evsel__tool_name(bf, sizeof(bf));
else
- perf_evsel__sw_name(evsel, bf, sizeof(bf));
+ evsel__sw_name(evsel, bf, sizeof(bf));
break;
case PERF_TYPE_TRACEPOINT:
@@ -632,7 +631,7 @@ const char *perf_evsel__name(struct evsel *evsel)
break;
case PERF_TYPE_BREAKPOINT:
- perf_evsel__bp_name(evsel, bf, sizeof(bf));
+ evsel__bp_name(evsel, bf, sizeof(bf));
break;
default:
@@ -649,7 +648,7 @@ out_unknown:
return "unknown";
}
-const char *perf_evsel__group_name(struct evsel *evsel)
+const char *evsel__group_name(struct evsel *evsel)
{
return evsel->group_name ?: "anon group";
}
@@ -664,21 +663,19 @@ const char *perf_evsel__group_name(struct evsel *evsel)
* For record -e 'cycles,instructions' and report --group
* 'cycles:u, instructions:u'
*/
-int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size)
+int evsel__group_desc(struct evsel *evsel, char *buf, size_t size)
{
int ret = 0;
struct evsel *pos;
- const char *group_name = perf_evsel__group_name(evsel);
+ const char *group_name = evsel__group_name(evsel);
if (!evsel->forced_leader)
ret = scnprintf(buf, size, "%s { ", group_name);
- ret += scnprintf(buf + ret, size - ret, "%s",
- perf_evsel__name(evsel));
+ ret += scnprintf(buf + ret, size - ret, "%s", evsel__name(evsel));
for_each_group_member(pos, evsel)
- ret += scnprintf(buf + ret, size - ret, ", %s",
- perf_evsel__name(pos));
+ ret += scnprintf(buf + ret, size - ret, ", %s", evsel__name(pos));
if (!evsel->forced_leader)
ret += scnprintf(buf + ret, size - ret, " }");
@@ -686,14 +683,13 @@ int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size)
return ret;
}
-static void __perf_evsel__config_callchain(struct evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *param)
+static void __evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *param)
{
- bool function = perf_evsel__is_function_event(evsel);
+ bool function = evsel__is_function_event(evsel);
struct perf_event_attr *attr = &evsel->core.attr;
- perf_evsel__set_sample_bit(evsel, CALLCHAIN);
+ evsel__set_sample_bit(evsel, CALLCHAIN);
attr->sample_max_stack = param->max_stack;
@@ -708,7 +704,7 @@ static void __perf_evsel__config_callchain(struct evsel *evsel,
"to get user callchain information. "
"Falling back to framepointers.\n");
} else {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type = PERF_SAMPLE_BRANCH_USER |
PERF_SAMPLE_BRANCH_CALL_STACK |
PERF_SAMPLE_BRANCH_NO_CYCLES |
@@ -722,8 +718,8 @@ static void __perf_evsel__config_callchain(struct evsel *evsel,
if (param->record_mode == CALLCHAIN_DWARF) {
if (!function) {
- perf_evsel__set_sample_bit(evsel, REGS_USER);
- perf_evsel__set_sample_bit(evsel, STACK_USER);
+ evsel__set_sample_bit(evsel, REGS_USER);
+ evsel__set_sample_bit(evsel, STACK_USER);
if (opts->sample_user_regs && DWARF_MINIMAL_REGS != PERF_REGS_MASK) {
attr->sample_regs_user |= DWARF_MINIMAL_REGS;
pr_warning("WARNING: The use of --call-graph=dwarf may require all the user registers, "
@@ -746,12 +742,11 @@ static void __perf_evsel__config_callchain(struct evsel *evsel,
}
}
-void perf_evsel__config_callchain(struct evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *param)
+void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *param)
{
if (param->enabled)
- return __perf_evsel__config_callchain(evsel, opts, param);
+ return __evsel__config_callchain(evsel, opts, param);
}
static void
@@ -760,16 +755,16 @@ perf_evsel__reset_callgraph(struct evsel *evsel,
{
struct perf_event_attr *attr = &evsel->core.attr;
- perf_evsel__reset_sample_bit(evsel, CALLCHAIN);
+ evsel__reset_sample_bit(evsel, CALLCHAIN);
if (param->record_mode == CALLCHAIN_LBR) {
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type &= ~(PERF_SAMPLE_BRANCH_USER |
PERF_SAMPLE_BRANCH_CALL_STACK |
PERF_SAMPLE_BRANCH_HW_INDEX);
}
if (param->record_mode == CALLCHAIN_DWARF) {
- perf_evsel__reset_sample_bit(evsel, REGS_USER);
- perf_evsel__reset_sample_bit(evsel, STACK_USER);
+ evsel__reset_sample_bit(evsel, REGS_USER);
+ evsel__reset_sample_bit(evsel, STACK_USER);
}
}
@@ -793,32 +788,32 @@ static void apply_config_terms(struct evsel *evsel,
if (!(term->weak && opts->user_interval != ULLONG_MAX)) {
attr->sample_period = term->val.period;
attr->freq = 0;
- perf_evsel__reset_sample_bit(evsel, PERIOD);
+ evsel__reset_sample_bit(evsel, PERIOD);
}
break;
case PERF_EVSEL__CONFIG_TERM_FREQ:
if (!(term->weak && opts->user_freq != UINT_MAX)) {
attr->sample_freq = term->val.freq;
attr->freq = 1;
- perf_evsel__set_sample_bit(evsel, PERIOD);
+ evsel__set_sample_bit(evsel, PERIOD);
}
break;
case PERF_EVSEL__CONFIG_TERM_TIME:
if (term->val.time)
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, TIME);
else
- perf_evsel__reset_sample_bit(evsel, TIME);
+ evsel__reset_sample_bit(evsel, TIME);
break;
case PERF_EVSEL__CONFIG_TERM_CALLGRAPH:
callgraph_buf = term->val.str;
break;
case PERF_EVSEL__CONFIG_TERM_BRANCH:
if (term->val.str && strcmp(term->val.str, "no")) {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
parse_branch_str(term->val.str,
&attr->branch_sample_type);
} else
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
break;
case PERF_EVSEL__CONFIG_TERM_STACK_USER:
dump_size = term->val.stack_user;
@@ -832,7 +827,7 @@ static void apply_config_terms(struct evsel *evsel,
case PERF_EVSEL__CONFIG_TERM_INHERIT:
/*
* attr->inherit should has already been set by
- * perf_evsel__config. If user explicitly set
+ * evsel__config. If user explicitly set
* inherit using config terms, override global
* opt->no_inherit setting.
*/
@@ -897,11 +892,11 @@ static void apply_config_terms(struct evsel *evsel,
/* set perf-event callgraph */
if (param.enabled) {
if (sample_address) {
- perf_evsel__set_sample_bit(evsel, ADDR);
- perf_evsel__set_sample_bit(evsel, DATA_SRC);
+ evsel__set_sample_bit(evsel, ADDR);
+ evsel__set_sample_bit(evsel, DATA_SRC);
evsel->core.attr.mmap_data = track;
}
- perf_evsel__config_callchain(evsel, opts, &param);
+ evsel__config_callchain(evsel, opts, &param);
}
}
}
@@ -953,8 +948,8 @@ struct perf_evsel_config_term *__perf_evsel__get_config_term(struct evsel *evsel
* enable/disable events specifically, as there's no
* initial traced exec call.
*/
-void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
- struct callchain_param *callchain)
+void evsel__config(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *callchain)
{
struct evsel *leader = evsel->leader;
struct perf_event_attr *attr = &evsel->core.attr;
@@ -965,17 +960,17 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
attr->inherit = !opts->no_inherit;
attr->write_backward = opts->overwrite ? 1 : 0;
- perf_evsel__set_sample_bit(evsel, IP);
- perf_evsel__set_sample_bit(evsel, TID);
+ evsel__set_sample_bit(evsel, IP);
+ evsel__set_sample_bit(evsel, TID);
if (evsel->sample_read) {
- perf_evsel__set_sample_bit(evsel, READ);
+ evsel__set_sample_bit(evsel, READ);
/*
* We need ID even in case of single event, because
* PERF_SAMPLE_READ process ID specific data.
*/
- perf_evsel__set_sample_id(evsel, false);
+ evsel__set_sample_id(evsel, false);
/*
* Apply group format only if we belong to group
@@ -994,7 +989,7 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
if (!attr->sample_period || (opts->user_freq != UINT_MAX ||
opts->user_interval != ULLONG_MAX)) {
if (opts->freq) {
- perf_evsel__set_sample_bit(evsel, PERIOD);
+ evsel__set_sample_bit(evsel, PERIOD);
attr->freq = 1;
attr->sample_freq = opts->freq;
} else {
@@ -1002,25 +997,6 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
}
}
- /*
- * Disable sampling for all group members other
- * than leader in case leader 'leads' the sampling.
- */
- if ((leader != evsel) && leader->sample_read) {
- attr->freq = 0;
- attr->sample_freq = 0;
- attr->sample_period = 0;
- attr->write_backward = 0;
-
- /*
- * We don't get sample for slave events, we make them
- * when delivering group leader sample. Set the slave
- * event to follow the master sample_type to ease up
- * report.
- */
- attr->sample_type = leader->core.attr.sample_type;
- }
-
if (opts->no_samples)
attr->sample_freq = 0;
@@ -1033,7 +1009,7 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
}
if (opts->sample_address) {
- perf_evsel__set_sample_bit(evsel, ADDR);
+ evsel__set_sample_bit(evsel, ADDR);
attr->mmap_data = track;
}
@@ -1042,24 +1018,24 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
* event, due to issues with page faults while tracing page
* fault handler and its overall trickiness nature.
*/
- if (perf_evsel__is_function_event(evsel))
+ if (evsel__is_function_event(evsel))
evsel->core.attr.exclude_callchain_user = 1;
if (callchain && callchain->enabled && !evsel->no_aux_samples)
- perf_evsel__config_callchain(evsel, opts, callchain);
+ evsel__config_callchain(evsel, opts, callchain);
if (opts->sample_intr_regs) {
attr->sample_regs_intr = opts->sample_intr_regs;
- perf_evsel__set_sample_bit(evsel, REGS_INTR);
+ evsel__set_sample_bit(evsel, REGS_INTR);
}
if (opts->sample_user_regs) {
attr->sample_regs_user |= opts->sample_user_regs;
- perf_evsel__set_sample_bit(evsel, REGS_USER);
+ evsel__set_sample_bit(evsel, REGS_USER);
}
if (target__has_cpu(&opts->target) || opts->sample_cpu)
- perf_evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, CPU);
/*
* When the user explicitly disabled time don't force it here.
@@ -1068,31 +1044,31 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
(!perf_missing_features.sample_id_all &&
(!opts->no_inherit || target__has_cpu(&opts->target) || per_cpu ||
opts->sample_time_set)))
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, TIME);
if (opts->raw_samples && !evsel->no_aux_samples) {
- perf_evsel__set_sample_bit(evsel, TIME);
- perf_evsel__set_sample_bit(evsel, RAW);
- perf_evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, TIME);
+ evsel__set_sample_bit(evsel, RAW);
+ evsel__set_sample_bit(evsel, CPU);
}
if (opts->sample_address)
- perf_evsel__set_sample_bit(evsel, DATA_SRC);
+ evsel__set_sample_bit(evsel, DATA_SRC);
if (opts->sample_phys_addr)
- perf_evsel__set_sample_bit(evsel, PHYS_ADDR);
+ evsel__set_sample_bit(evsel, PHYS_ADDR);
if (opts->no_buffering) {
attr->watermark = 0;
attr->wakeup_events = 1;
}
if (opts->branch_stack && !evsel->no_aux_samples) {
- perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ evsel__set_sample_bit(evsel, BRANCH_STACK);
attr->branch_sample_type = opts->branch_stack;
}
if (opts->sample_weight)
- perf_evsel__set_sample_bit(evsel, WEIGHT);
+ evsel__set_sample_bit(evsel, WEIGHT);
attr->task = track;
attr->mmap = track;
@@ -1106,14 +1082,14 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
if (opts->record_cgroup) {
attr->cgroup = track && !perf_missing_features.cgroup;
- perf_evsel__set_sample_bit(evsel, CGROUP);
+ evsel__set_sample_bit(evsel, CGROUP);
}
if (opts->record_switch_events)
attr->context_switch = track;
if (opts->sample_transaction)
- perf_evsel__set_sample_bit(evsel, TRANSACTION);
+ evsel__set_sample_bit(evsel, TRANSACTION);
if (opts->running_time) {
evsel->core.attr.read_format |=
@@ -1127,15 +1103,15 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
* Disabling only independent events or group leaders,
* keeping group members enabled.
*/
- if (perf_evsel__is_group_leader(evsel))
+ if (evsel__is_group_leader(evsel))
attr->disabled = 1;
/*
* Setting enable_on_exec for independent events and
* group leaders for traced executed by perf.
*/
- if (target__none(&opts->target) && perf_evsel__is_group_leader(evsel) &&
- !opts->initial_delay)
+ if (target__none(&opts->target) && evsel__is_group_leader(evsel) &&
+ !opts->initial_delay)
attr->enable_on_exec = 1;
if (evsel->immediate) {
@@ -1176,9 +1152,9 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
/* The --period option takes the precedence. */
if (opts->period_set) {
if (opts->period)
- perf_evsel__set_sample_bit(evsel, PERIOD);
+ evsel__set_sample_bit(evsel, PERIOD);
else
- perf_evsel__reset_sample_bit(evsel, PERIOD);
+ evsel__reset_sample_bit(evsel, PERIOD);
}
/*
@@ -1187,10 +1163,10 @@ void perf_evsel__config(struct evsel *evsel, struct record_opts *opts,
* if BRANCH_STACK bit is set.
*/
if (opts->initial_delay && is_dummy_event(evsel))
- perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ evsel__reset_sample_bit(evsel, BRANCH_STACK);
}
-int perf_evsel__set_filter(struct evsel *evsel, const char *filter)
+int evsel__set_filter(struct evsel *evsel, const char *filter)
{
char *new_filter = strdup(filter);
@@ -1203,13 +1179,12 @@ int perf_evsel__set_filter(struct evsel *evsel, const char *filter)
return -1;
}
-static int perf_evsel__append_filter(struct evsel *evsel,
- const char *fmt, const char *filter)
+static int evsel__append_filter(struct evsel *evsel, const char *fmt, const char *filter)
{
char *new_filter;
if (evsel->filter == NULL)
- return perf_evsel__set_filter(evsel, filter);
+ return evsel__set_filter(evsel, filter);
if (asprintf(&new_filter, fmt, evsel->filter, filter) > 0) {
free(evsel->filter);
@@ -1220,14 +1195,14 @@ static int perf_evsel__append_filter(struct evsel *evsel,
return -1;
}
-int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter)
+int evsel__append_tp_filter(struct evsel *evsel, const char *filter)
{
- return perf_evsel__append_filter(evsel, "(%s) && (%s)", filter);
+ return evsel__append_filter(evsel, "(%s) && (%s)", filter);
}
-int perf_evsel__append_addr_filter(struct evsel *evsel, const char *filter)
+int evsel__append_addr_filter(struct evsel *evsel, const char *filter)
{
- return perf_evsel__append_filter(evsel, "%s,%s", filter);
+ return evsel__append_filter(evsel, "%s,%s", filter);
}
/* Caller has to clear disabled after going through all CPUs. */
@@ -1278,7 +1253,7 @@ static void perf_evsel__free_config_terms(struct evsel *evsel)
}
}
-void perf_evsel__exit(struct evsel *evsel)
+void evsel__exit(struct evsel *evsel)
{
assert(list_empty(&evsel->core.node));
assert(evsel->evlist == NULL);
@@ -1298,12 +1273,12 @@ void perf_evsel__exit(struct evsel *evsel)
void evsel__delete(struct evsel *evsel)
{
- perf_evsel__exit(evsel);
+ evsel__exit(evsel);
free(evsel);
}
-void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
- struct perf_counts_values *count)
+void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
+ struct perf_counts_values *count)
{
struct perf_counts_values tmp;
@@ -1342,8 +1317,7 @@ void perf_counts_values__scale(struct perf_counts_values *count,
*pscaled = scaled;
}
-static int
-perf_evsel__read_one(struct evsel *evsel, int cpu, int thread)
+static int evsel__read_one(struct evsel *evsel, int cpu, int thread)
{
struct perf_counts_values *count = perf_counts(evsel->counts, cpu, thread);
@@ -1403,8 +1377,7 @@ perf_evsel__process_group_data(struct evsel *leader,
return 0;
}
-static int
-perf_evsel__read_group(struct evsel *leader, int cpu, int thread)
+static int evsel__read_group(struct evsel *leader, int cpu, int thread)
{
struct perf_stat_evsel *ps = leader->stats;
u64 read_format = leader->core.attr.read_format;
@@ -1414,7 +1387,7 @@ perf_evsel__read_group(struct evsel *leader, int cpu, int thread)
if (!(read_format & PERF_FORMAT_ID))
return -EINVAL;
- if (!perf_evsel__is_group_leader(leader))
+ if (!evsel__is_group_leader(leader))
return -EINVAL;
if (!data) {
@@ -1434,18 +1407,17 @@ perf_evsel__read_group(struct evsel *leader, int cpu, int thread)
return perf_evsel__process_group_data(leader, cpu, thread, data);
}
-int perf_evsel__read_counter(struct evsel *evsel, int cpu, int thread)
+int evsel__read_counter(struct evsel *evsel, int cpu, int thread)
{
u64 read_format = evsel->core.attr.read_format;
if (read_format & PERF_FORMAT_GROUP)
- return perf_evsel__read_group(evsel, cpu, thread);
- else
- return perf_evsel__read_one(evsel, cpu, thread);
+ return evsel__read_group(evsel, cpu, thread);
+
+ return evsel__read_one(evsel, cpu, thread);
}
-int __perf_evsel__read_on_cpu(struct evsel *evsel,
- int cpu, int thread, bool scale)
+int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale)
{
struct perf_counts_values count;
size_t nv = scale ? 3 : 1;
@@ -1459,7 +1431,7 @@ int __perf_evsel__read_on_cpu(struct evsel *evsel,
if (readn(FD(evsel, cpu, thread), &count, nv * sizeof(u64)) <= 0)
return -errno;
- perf_evsel__compute_deltas(evsel, cpu, thread, &count);
+ evsel__compute_deltas(evsel, cpu, thread, &count);
perf_counts_values__scale(&count, scale, NULL);
*perf_counts(evsel->counts, cpu, thread) = count;
return 0;
@@ -1470,7 +1442,7 @@ static int get_group_fd(struct evsel *evsel, int cpu, int thread)
struct evsel *leader = evsel->leader;
int fd;
- if (perf_evsel__is_group_leader(evsel))
+ if (evsel__is_group_leader(evsel))
return -1;
/*
@@ -1749,8 +1721,7 @@ retry_open:
/*
* If we succeeded but had to kill clockid, fail and
- * have perf_evsel__open_strerror() print us a nice
- * error.
+ * have evsel__open_strerror() print us a nice error.
*/
if (perf_missing_features.clockid ||
perf_missing_features.clockid_wrong) {
@@ -1854,7 +1825,7 @@ try_fallback:
} else if (!perf_missing_features.group_read &&
evsel->core.attr.inherit &&
(evsel->core.attr.read_format & PERF_FORMAT_GROUP) &&
- perf_evsel__is_group_leader(evsel)) {
+ evsel__is_group_leader(evsel)) {
perf_missing_features.group_read = true;
pr_debug2_peo("switching off group read\n");
goto fallback_missing_features;
@@ -1888,9 +1859,7 @@ void evsel__close(struct evsel *evsel)
perf_evsel__free_id(&evsel->core);
}
-int perf_evsel__open_per_cpu(struct evsel *evsel,
- struct perf_cpu_map *cpus,
- int cpu)
+int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu)
{
if (cpu == -1)
return evsel__open_cpu(evsel, cpus, NULL, 0,
@@ -1899,8 +1868,7 @@ int perf_evsel__open_per_cpu(struct evsel *evsel,
return evsel__open_cpu(evsel, cpus, NULL, cpu, cpu + 1);
}
-int perf_evsel__open_per_thread(struct evsel *evsel,
- struct perf_thread_map *threads)
+int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads)
{
return evsel__open(evsel, NULL, threads);
}
@@ -1995,8 +1963,8 @@ perf_event__check_size(union perf_event *event, unsigned int sample_size)
return 0;
}
-int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
- struct perf_sample *data)
+int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
+ struct perf_sample *data)
{
u64 type = evsel->core.attr.sample_type;
bool swapped = evsel->needs_swap;
@@ -2136,7 +2104,7 @@ int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
}
}
- if (evsel__has_callchain(evsel)) {
+ if (type & PERF_SAMPLE_CALLCHAIN) {
const u64 max_callchain_nr = UINT64_MAX / sizeof(u64);
OVERFLOW_CHECK_u64(array);
@@ -2190,7 +2158,7 @@ int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
return -EFAULT;
sz = data->branch_stack->nr * sizeof(struct branch_entry);
- if (perf_evsel__has_branch_hw_idx(evsel))
+ if (evsel__has_branch_hw_idx(evsel))
sz += sizeof(u64);
else
data->no_hw_idx = true;
@@ -2298,9 +2266,8 @@ int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
return 0;
}
-int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
- union perf_event *event,
- u64 *timestamp)
+int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
+ u64 *timestamp)
{
u64 type = evsel->core.attr.sample_type;
const __u64 *array;
@@ -2342,15 +2309,14 @@ int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
return 0;
}
-struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name)
+struct tep_format_field *evsel__field(struct evsel *evsel, const char *name)
{
return tep_find_field(evsel->tp_format, name);
}
-void *perf_evsel__rawptr(struct evsel *evsel, struct perf_sample *sample,
- const char *name)
+void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name)
{
- struct tep_format_field *field = perf_evsel__field(evsel, name);
+ struct tep_format_field *field = evsel__field(evsel, name);
int offset;
if (!field)
@@ -2405,10 +2371,9 @@ u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sam
return 0;
}
-u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
- const char *name)
+u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name)
{
- struct tep_format_field *field = perf_evsel__field(evsel, name);
+ struct tep_format_field *field = evsel__field(evsel, name);
if (!field)
return 0;
@@ -2416,8 +2381,7 @@ u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
return field ? format_field__intval(field, sample, evsel->needs_swap) : 0;
}
-bool perf_evsel__fallback(struct evsel *evsel, int err,
- char *msg, size_t msgsize)
+bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize)
{
int paranoid;
@@ -2442,10 +2406,14 @@ bool perf_evsel__fallback(struct evsel *evsel, int err,
return true;
} else if (err == EACCES && !evsel->core.attr.exclude_kernel &&
(paranoid = perf_event_paranoid()) > 1) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
char *new_name;
const char *sep = ":";
+ /* If event has exclude user then don't exclude kernel. */
+ if (evsel->core.attr.exclude_user)
+ return false;
+
/* Is there already the separator in the name. */
if (strchr(name, '/') ||
strchr(name, ':'))
@@ -2505,8 +2473,8 @@ static bool find_process(const char *name)
return ret ? false : true;
}
-int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
- int err, char *msg, size_t size)
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+ int err, char *msg, size_t size)
{
char sbuf[STRERR_BUFSIZE];
int printed = 0;
@@ -2516,28 +2484,26 @@ int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
case EACCES:
if (err == EPERM)
printed = scnprintf(msg, size,
- "No permission to enable %s event.\n\n",
- perf_evsel__name(evsel));
+ "No permission to enable %s event.\n\n", evsel__name(evsel));
return scnprintf(msg + printed, size - printed,
"You may not have permission to collect %sstats.\n\n"
"Consider tweaking /proc/sys/kernel/perf_event_paranoid,\n"
"which controls use of the performance events system by\n"
- "unprivileged users (without CAP_SYS_ADMIN).\n\n"
+ "unprivileged users (without CAP_PERFMON or CAP_SYS_ADMIN).\n\n"
"The current value is %d:\n\n"
" -1: Allow use of (almost) all events by all users\n"
" Ignore mlock limit after perf_event_mlock_kb without CAP_IPC_LOCK\n"
- ">= 0: Disallow ftrace function tracepoint by users without CAP_SYS_ADMIN\n"
- " Disallow raw tracepoint access by users without CAP_SYS_ADMIN\n"
- ">= 1: Disallow CPU event access by users without CAP_SYS_ADMIN\n"
- ">= 2: Disallow kernel profiling by users without CAP_SYS_ADMIN\n\n"
+ ">= 0: Disallow ftrace function tracepoint by users without CAP_PERFMON or CAP_SYS_ADMIN\n"
+ " Disallow raw tracepoint access by users without CAP_SYS_PERFMON or CAP_SYS_ADMIN\n"
+ ">= 1: Disallow CPU event access by users without CAP_PERFMON or CAP_SYS_ADMIN\n"
+ ">= 2: Disallow kernel profiling by users without CAP_PERFMON or CAP_SYS_ADMIN\n\n"
"To make this setting permanent, edit /etc/sysctl.conf too, e.g.:\n\n"
" kernel.perf_event_paranoid = -1\n" ,
target->system_wide ? "system-wide " : "",
perf_event_paranoid());
case ENOENT:
- return scnprintf(msg, size, "The %s event is not supported.",
- perf_evsel__name(evsel));
+ return scnprintf(msg, size, "The %s event is not supported.", evsel__name(evsel));
case EMFILE:
return scnprintf(msg, size, "%s",
"Too many events are opened.\n"
@@ -2561,7 +2527,7 @@ int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
if (evsel->core.attr.sample_period != 0)
return scnprintf(msg, size,
"%s: PMU Hardware doesn't support sampling/overflow-interrupts. Try 'perf stat'",
- perf_evsel__name(evsel));
+ evsel__name(evsel));
if (evsel->core.attr.precise_ip)
return scnprintf(msg, size, "%s",
"\'precise\' request may not be supported. Try removing 'p' modifier.");
@@ -2594,11 +2560,10 @@ int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
return scnprintf(msg, size,
"The sys_perf_event_open() syscall returned with %d (%s) for event (%s).\n"
"/bin/dmesg | grep -i perf may provide additional information.\n",
- err, str_error_r(err, sbuf, sizeof(sbuf)),
- perf_evsel__name(evsel));
+ err, str_error_r(err, sbuf, sizeof(sbuf)), evsel__name(evsel));
}
-struct perf_env *perf_evsel__env(struct evsel *evsel)
+struct perf_env *evsel__env(struct evsel *evsel)
{
if (evsel && evsel->evlist)
return evsel->evlist->env;
@@ -2623,7 +2588,7 @@ static int store_evsel_ids(struct evsel *evsel, struct evlist *evlist)
return 0;
}
-int perf_evsel__store_ids(struct evsel *evsel, struct evlist *evlist)
+int evsel__store_ids(struct evsel *evsel, struct evlist *evlist)
{
struct perf_cpu_map *cpus = evsel->core.cpus;
struct perf_thread_map *threads = evsel->core.threads;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 53187c501ee8..351c0aaf2a11 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -18,7 +18,7 @@ struct perf_counts;
struct perf_stat_evsel;
union perf_event;
-typedef int (perf_evsel__sb_cb_t)(union perf_event *event, void *data);
+typedef int (evsel__sb_cb_t)(union perf_event *event, void *data);
enum perf_tool_event {
PERF_TOOL_NONE = 0,
@@ -101,9 +101,17 @@ struct evsel {
int cpu_iter;
const char *pmu_name;
struct {
- perf_evsel__sb_cb_t *cb;
- void *data;
+ evsel__sb_cb_t *cb;
+ void *data;
} side_band;
+ /*
+ * For reporting purposes, an evsel sample can have a callchain
+ * synthesized from AUX area data. Keep track of synthesized sample
+ * types here. Note, the recorded sample_type cannot be changed because
+ * it is needed to continue to parse events.
+ * See also evsel__has_callchain().
+ */
+ __u64 synth_sample_type;
};
struct perf_missing_features {
@@ -135,7 +143,7 @@ static inline struct perf_cpu_map *evsel__cpus(struct evsel *evsel)
return perf_evsel__cpus(&evsel->core);
}
-static inline int perf_evsel__nr_cpus(struct evsel *evsel)
+static inline int evsel__nr_cpus(struct evsel *evsel)
{
return evsel__cpus(evsel)->nr;
}
@@ -143,13 +151,16 @@ static inline int perf_evsel__nr_cpus(struct evsel *evsel)
void perf_counts_values__scale(struct perf_counts_values *count,
bool scale, s8 *pscaled);
-void perf_evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
- struct perf_counts_values *count);
+void evsel__compute_deltas(struct evsel *evsel, int cpu, int thread,
+ struct perf_counts_values *count);
int perf_evsel__object_config(size_t object_size,
int (*init)(struct evsel *evsel),
void (*fini)(struct evsel *evsel));
+struct perf_pmu *evsel__find_pmu(struct evsel *evsel);
+bool evsel__is_aux_event(struct evsel *evsel);
+
struct evsel *perf_evsel__new_idx(struct perf_event_attr *attr, int idx);
static inline struct evsel *evsel__new(struct perf_event_attr *attr)
@@ -172,22 +183,20 @@ struct evsel *perf_evsel__new_cycles(bool precise);
struct tep_event *event_format__new(const char *sys, const char *name);
void evsel__init(struct evsel *evsel, struct perf_event_attr *attr, int idx);
-void perf_evsel__exit(struct evsel *evsel);
+void evsel__exit(struct evsel *evsel);
void evsel__delete(struct evsel *evsel);
struct callchain_param;
-void perf_evsel__config(struct evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *callchain);
-void perf_evsel__config_callchain(struct evsel *evsel,
- struct record_opts *opts,
- struct callchain_param *callchain);
+void evsel__config(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *callchain);
+void evsel__config_callchain(struct evsel *evsel, struct record_opts *opts,
+ struct callchain_param *callchain);
-int __perf_evsel__sample_size(u64 sample_type);
-void perf_evsel__calc_id_pos(struct evsel *evsel);
+int __evsel__sample_size(u64 sample_type);
+void evsel__calc_id_pos(struct evsel *evsel);
-bool perf_evsel__is_cache_op_valid(u8 type, u8 op);
+bool evsel__is_cache_op_valid(u8 type, u8 op);
#define PERF_EVSEL__MAX_ALIASES 8
@@ -199,177 +208,153 @@ extern const char *perf_evsel__hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
[PERF_EVSEL__MAX_ALIASES];
extern const char *perf_evsel__hw_names[PERF_COUNT_HW_MAX];
extern const char *perf_evsel__sw_names[PERF_COUNT_SW_MAX];
-int __perf_evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result,
- char *bf, size_t size);
-const char *perf_evsel__name(struct evsel *evsel);
+int __evsel__hw_cache_type_op_res_name(u8 type, u8 op, u8 result, char *bf, size_t size);
+const char *evsel__name(struct evsel *evsel);
-const char *perf_evsel__group_name(struct evsel *evsel);
-int perf_evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
+const char *evsel__group_name(struct evsel *evsel);
+int evsel__group_desc(struct evsel *evsel, char *buf, size_t size);
-void __perf_evsel__set_sample_bit(struct evsel *evsel,
- enum perf_event_sample_format bit);
-void __perf_evsel__reset_sample_bit(struct evsel *evsel,
- enum perf_event_sample_format bit);
+void __evsel__set_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
+void __evsel__reset_sample_bit(struct evsel *evsel, enum perf_event_sample_format bit);
-#define perf_evsel__set_sample_bit(evsel, bit) \
- __perf_evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
+#define evsel__set_sample_bit(evsel, bit) \
+ __evsel__set_sample_bit(evsel, PERF_SAMPLE_##bit)
-#define perf_evsel__reset_sample_bit(evsel, bit) \
- __perf_evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
+#define evsel__reset_sample_bit(evsel, bit) \
+ __evsel__reset_sample_bit(evsel, PERF_SAMPLE_##bit)
-void perf_evsel__set_sample_id(struct evsel *evsel,
- bool use_sample_identifier);
+void evsel__set_sample_id(struct evsel *evsel, bool use_sample_identifier);
-int perf_evsel__set_filter(struct evsel *evsel, const char *filter);
-int perf_evsel__append_tp_filter(struct evsel *evsel, const char *filter);
-int perf_evsel__append_addr_filter(struct evsel *evsel,
- const char *filter);
+int evsel__set_filter(struct evsel *evsel, const char *filter);
+int evsel__append_tp_filter(struct evsel *evsel, const char *filter);
+int evsel__append_addr_filter(struct evsel *evsel, const char *filter);
int evsel__enable_cpu(struct evsel *evsel, int cpu);
int evsel__enable(struct evsel *evsel);
int evsel__disable(struct evsel *evsel);
int evsel__disable_cpu(struct evsel *evsel, int cpu);
-int perf_evsel__open_per_cpu(struct evsel *evsel,
- struct perf_cpu_map *cpus,
- int cpu);
-int perf_evsel__open_per_thread(struct evsel *evsel,
- struct perf_thread_map *threads);
+int evsel__open_per_cpu(struct evsel *evsel, struct perf_cpu_map *cpus, int cpu);
+int evsel__open_per_thread(struct evsel *evsel, struct perf_thread_map *threads);
int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus,
struct perf_thread_map *threads);
void evsel__close(struct evsel *evsel);
struct perf_sample;
-void *perf_evsel__rawptr(struct evsel *evsel, struct perf_sample *sample,
- const char *name);
-u64 perf_evsel__intval(struct evsel *evsel, struct perf_sample *sample,
- const char *name);
+void *evsel__rawptr(struct evsel *evsel, struct perf_sample *sample, const char *name);
+u64 evsel__intval(struct evsel *evsel, struct perf_sample *sample, const char *name);
-static inline char *perf_evsel__strval(struct evsel *evsel,
- struct perf_sample *sample,
- const char *name)
+static inline char *evsel__strval(struct evsel *evsel, struct perf_sample *sample, const char *name)
{
- return perf_evsel__rawptr(evsel, sample, name);
+ return evsel__rawptr(evsel, sample, name);
}
struct tep_format_field;
u64 format_field__intval(struct tep_format_field *field, struct perf_sample *sample, bool needs_swap);
-struct tep_format_field *perf_evsel__field(struct evsel *evsel, const char *name);
+struct tep_format_field *evsel__field(struct evsel *evsel, const char *name);
-#define perf_evsel__match(evsel, t, c) \
+#define evsel__match(evsel, t, c) \
(evsel->core.attr.type == PERF_TYPE_##t && \
evsel->core.attr.config == PERF_COUNT_##c)
-static inline bool perf_evsel__match2(struct evsel *e1,
- struct evsel *e2)
+static inline bool evsel__match2(struct evsel *e1, struct evsel *e2)
{
return (e1->core.attr.type == e2->core.attr.type) &&
(e1->core.attr.config == e2->core.attr.config);
}
-#define perf_evsel__cmp(a, b) \
- ((a) && \
- (b) && \
- (a)->core.attr.type == (b)->core.attr.type && \
- (a)->core.attr.config == (b)->core.attr.config)
-
-int perf_evsel__read_counter(struct evsel *evsel, int cpu, int thread);
+int evsel__read_counter(struct evsel *evsel, int cpu, int thread);
-int __perf_evsel__read_on_cpu(struct evsel *evsel,
- int cpu, int thread, bool scale);
+int __evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread, bool scale);
/**
- * perf_evsel__read_on_cpu - Read out the results on a CPU and thread
+ * evsel__read_on_cpu - Read out the results on a CPU and thread
*
* @evsel - event selector to read value
* @cpu - CPU of interest
* @thread - thread of interest
*/
-static inline int perf_evsel__read_on_cpu(struct evsel *evsel,
- int cpu, int thread)
+static inline int evsel__read_on_cpu(struct evsel *evsel, int cpu, int thread)
{
- return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
+ return __evsel__read_on_cpu(evsel, cpu, thread, false);
}
/**
- * perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
+ * evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
*
* @evsel - event selector to read value
* @cpu - CPU of interest
* @thread - thread of interest
*/
-static inline int perf_evsel__read_on_cpu_scaled(struct evsel *evsel,
- int cpu, int thread)
+static inline int evsel__read_on_cpu_scaled(struct evsel *evsel, int cpu, int thread)
{
- return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
+ return __evsel__read_on_cpu(evsel, cpu, thread, true);
}
-int perf_evsel__parse_sample(struct evsel *evsel, union perf_event *event,
- struct perf_sample *sample);
+int evsel__parse_sample(struct evsel *evsel, union perf_event *event,
+ struct perf_sample *sample);
-int perf_evsel__parse_sample_timestamp(struct evsel *evsel,
- union perf_event *event,
- u64 *timestamp);
+int evsel__parse_sample_timestamp(struct evsel *evsel, union perf_event *event,
+ u64 *timestamp);
-static inline struct evsel *perf_evsel__next(struct evsel *evsel)
+static inline struct evsel *evsel__next(struct evsel *evsel)
{
return list_entry(evsel->core.node.next, struct evsel, core.node);
}
-static inline struct evsel *perf_evsel__prev(struct evsel *evsel)
+static inline struct evsel *evsel__prev(struct evsel *evsel)
{
return list_entry(evsel->core.node.prev, struct evsel, core.node);
}
/**
- * perf_evsel__is_group_leader - Return whether given evsel is a leader event
+ * evsel__is_group_leader - Return whether given evsel is a leader event
*
* @evsel - evsel selector to be tested
*
* Return %true if @evsel is a group leader or a stand-alone event
*/
-static inline bool perf_evsel__is_group_leader(const struct evsel *evsel)
+static inline bool evsel__is_group_leader(const struct evsel *evsel)
{
return evsel->leader == evsel;
}
/**
- * perf_evsel__is_group_event - Return whether given evsel is a group event
+ * evsel__is_group_event - Return whether given evsel is a group event
*
* @evsel - evsel selector to be tested
*
* Return %true iff event group view is enabled and @evsel is a actual group
* leader which has other members in the group
*/
-static inline bool perf_evsel__is_group_event(struct evsel *evsel)
+static inline bool evsel__is_group_event(struct evsel *evsel)
{
if (!symbol_conf.event_group)
return false;
- return perf_evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
+ return evsel__is_group_leader(evsel) && evsel->core.nr_members > 1;
}
-bool perf_evsel__is_function_event(struct evsel *evsel);
+bool evsel__is_function_event(struct evsel *evsel);
-static inline bool perf_evsel__is_bpf_output(struct evsel *evsel)
+static inline bool evsel__is_bpf_output(struct evsel *evsel)
{
- return perf_evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
+ return evsel__match(evsel, SOFTWARE, SW_BPF_OUTPUT);
}
-static inline bool perf_evsel__is_clock(struct evsel *evsel)
+static inline bool evsel__is_clock(struct evsel *evsel)
{
- return perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
- perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
+ return evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
+ evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK);
}
-bool perf_evsel__fallback(struct evsel *evsel, int err,
- char *msg, size_t msgsize);
-int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
- int err, char *msg, size_t size);
+bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+ int err, char *msg, size_t size);
-static inline int perf_evsel__group_idx(struct evsel *evsel)
+static inline int evsel__group_idx(struct evsel *evsel)
{
return evsel->idx - evsel->leader->idx;
}
@@ -386,22 +371,37 @@ for ((_evsel) = _leader; \
(_evsel) && (_evsel)->leader == (_leader); \
(_evsel) = list_entry((_evsel)->core.node.next, struct evsel, core.node))
-static inline bool perf_evsel__has_branch_callstack(const struct evsel *evsel)
+static inline bool evsel__has_branch_callstack(const struct evsel *evsel)
{
return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_CALL_STACK;
}
-static inline bool perf_evsel__has_branch_hw_idx(const struct evsel *evsel)
+static inline bool evsel__has_branch_hw_idx(const struct evsel *evsel)
{
return evsel->core.attr.branch_sample_type & PERF_SAMPLE_BRANCH_HW_INDEX;
}
static inline bool evsel__has_callchain(const struct evsel *evsel)
{
- return (evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN) != 0;
+ /*
+ * For reporting purposes, an evsel sample can have a recorded callchain
+ * or a callchain synthesized from AUX area data.
+ */
+ return evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN ||
+ evsel->synth_sample_type & PERF_SAMPLE_CALLCHAIN;
+}
+
+static inline bool evsel__has_br_stack(const struct evsel *evsel)
+{
+ /*
+ * For reporting purposes, an evsel sample can have a recorded branch
+ * stack or a branch stack synthesized from AUX area data.
+ */
+ return evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK ||
+ evsel->synth_sample_type & PERF_SAMPLE_BRANCH_STACK;
}
-struct perf_env *perf_evsel__env(struct evsel *evsel);
+struct perf_env *evsel__env(struct evsel *evsel);
-int perf_evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
+int evsel__store_ids(struct evsel *evsel, struct evlist *evlist);
#endif /* __PERF_EVSEL_H */
diff --git a/tools/perf/util/evsel_config.h b/tools/perf/util/evsel_config.h
index e026ab67b008..f8938916577c 100644
--- a/tools/perf/util/evsel_config.h
+++ b/tools/perf/util/evsel_config.h
@@ -7,7 +7,7 @@
/*
* The 'struct perf_evsel_config_term' is used to pass event
- * specific configuration data to perf_evsel__config routine.
+ * specific configuration data to evsel__config routine.
* It is allocated within event parsing and attached to
* perf_evsel::config_terms list head.
*/
diff --git a/tools/perf/util/evsel_fprintf.c b/tools/perf/util/evsel_fprintf.c
index 3b4842840db0..99aed708bd5a 100644
--- a/tools/perf/util/evsel_fprintf.c
+++ b/tools/perf/util/evsel_fprintf.c
@@ -44,22 +44,22 @@ int perf_evsel__fprintf(struct evsel *evsel,
if (details->event_group) {
struct evsel *pos;
- if (!perf_evsel__is_group_leader(evsel))
+ if (!evsel__is_group_leader(evsel))
return 0;
if (evsel->core.nr_members > 1)
printed += fprintf(fp, "%s{", evsel->group_name ?: "");
- printed += fprintf(fp, "%s", perf_evsel__name(evsel));
+ printed += fprintf(fp, "%s", evsel__name(evsel));
for_each_group_member(pos, evsel)
- printed += fprintf(fp, ",%s", perf_evsel__name(pos));
+ printed += fprintf(fp, ",%s", evsel__name(pos));
if (evsel->core.nr_members > 1)
printed += fprintf(fp, "}");
goto out;
}
- printed += fprintf(fp, "%s", perf_evsel__name(evsel));
+ printed += fprintf(fp, "%s", evsel__name(evsel));
if (details->verbose) {
printed += perf_event_attr__fprintf(fp, &evsel->core.attr,
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index fd192ddf93c1..aa631e37ad1e 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -3,7 +3,6 @@
#include <assert.h>
#include "expr.h"
#include "expr-bison.h"
-#define YY_EXTRA_TYPE int
#include "expr-flex.h"
#ifdef PARSER_DEBUG
@@ -11,7 +10,7 @@ extern int expr_debug;
#endif
/* Caller must make sure id is allocated */
-void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
+void expr__add_id(struct expr_parse_ctx *ctx, const char *name, double val)
{
int idx;
@@ -21,20 +20,24 @@ void expr__add_id(struct parse_ctx *ctx, const char *name, double val)
ctx->ids[idx].val = val;
}
-void expr__ctx_init(struct parse_ctx *ctx)
+void expr__ctx_init(struct expr_parse_ctx *ctx)
{
ctx->num_ids = 0;
}
static int
-__expr__parse(double *val, struct parse_ctx *ctx, const char *expr,
- int start)
+__expr__parse(double *val, struct expr_parse_ctx *ctx, const char *expr,
+ int start, int runtime)
{
+ struct expr_scanner_ctx scanner_ctx = {
+ .start_token = start,
+ .runtime = runtime,
+ };
YY_BUFFER_STATE buffer;
void *scanner;
int ret;
- ret = expr_lex_init_extra(start, &scanner);
+ ret = expr_lex_init_extra(&scanner_ctx, &scanner);
if (ret)
return ret;
@@ -52,9 +55,9 @@ __expr__parse(double *val, struct parse_ctx *ctx, const char *expr,
return ret;
}
-int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr)
+int expr__parse(double *final_val, struct expr_parse_ctx *ctx, const char *expr, int runtime)
{
- return __expr__parse(final_val, ctx, expr, EXPR_PARSE) ? -1 : 0;
+ return __expr__parse(final_val, ctx, expr, EXPR_PARSE, runtime) ? -1 : 0;
}
static bool
@@ -72,13 +75,13 @@ already_seen(const char *val, const char *one, const char **other,
}
int expr__find_other(const char *expr, const char *one, const char ***other,
- int *num_other)
+ int *num_other, int runtime)
{
int err, i = 0, j = 0;
- struct parse_ctx ctx;
+ struct expr_parse_ctx ctx;
expr__ctx_init(&ctx);
- err = __expr__parse(NULL, &ctx, expr, EXPR_OTHER);
+ err = __expr__parse(NULL, &ctx, expr, EXPR_OTHER, runtime);
if (err)
return -1;
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
index 9377538f4097..87d627bb699b 100644
--- a/tools/perf/util/expr.h
+++ b/tools/perf/util/expr.h
@@ -5,20 +5,25 @@
#define EXPR_MAX_OTHER 20
#define MAX_PARSE_ID EXPR_MAX_OTHER
-struct parse_id {
+struct expr_parse_id {
const char *name;
double val;
};
-struct parse_ctx {
+struct expr_parse_ctx {
int num_ids;
- struct parse_id ids[MAX_PARSE_ID];
+ struct expr_parse_id ids[MAX_PARSE_ID];
};
-void expr__ctx_init(struct parse_ctx *ctx);
-void expr__add_id(struct parse_ctx *ctx, const char *id, double val);
-int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr);
+struct expr_scanner_ctx {
+ int start_token;
+ int runtime;
+};
+
+void expr__ctx_init(struct expr_parse_ctx *ctx);
+void expr__add_id(struct expr_parse_ctx *ctx, const char *id, double val);
+int expr__parse(double *final_val, struct expr_parse_ctx *ctx, const char *expr, int runtime);
int expr__find_other(const char *expr, const char *one, const char ***other,
- int *num_other);
+ int *num_other, int runtime);
#endif
diff --git a/tools/perf/util/expr.l b/tools/perf/util/expr.l
index eaad29243c23..74b9b59b1aa5 100644
--- a/tools/perf/util/expr.l
+++ b/tools/perf/util/expr.l
@@ -35,7 +35,7 @@ static int value(yyscan_t scanner, int base)
* Allow @ instead of / to be able to specify pmu/event/ without
* conflicts with normal division.
*/
-static char *normalize(char *str)
+static char *normalize(char *str, int runtime)
{
char *ret = str;
char *dst = str;
@@ -45,6 +45,19 @@ static char *normalize(char *str)
*dst++ = '/';
else if (*str == '\\')
*dst++ = *++str;
+ else if (*str == '?') {
+ char *paramval;
+ int i = 0;
+ int size = asprintf(&paramval, "%d", runtime);
+
+ if (size < 0)
+ *dst++ = '0';
+ else {
+ while (i < size)
+ *dst++ = paramval[i++];
+ free(paramval);
+ }
+ }
else
*dst++ = *str;
str++;
@@ -54,16 +67,16 @@ static char *normalize(char *str)
return ret;
}
-static int str(yyscan_t scanner, int token)
+static int str(yyscan_t scanner, int token, int runtime)
{
YYSTYPE *yylval = expr_get_lval(scanner);
char *text = expr_get_text(scanner);
- yylval->str = normalize(strdup(text));
+ yylval->str = normalize(strdup(text), runtime);
if (!yylval->str)
return EXPR_ERROR;
- yylval->str = normalize(yylval->str);
+ yylval->str = normalize(yylval->str, runtime);
return token;
}
%}
@@ -72,17 +85,17 @@ number [0-9]+
sch [-,=]
spec \\{sch}
-sym [0-9a-zA-Z_\.:@]+
-symbol {spec}*{sym}*{spec}*{sym}*
+sym [0-9a-zA-Z_\.:@?]+
+symbol {spec}*{sym}*{spec}*{sym}*{spec}*{sym}
%%
- {
- int start_token;
+ struct expr_scanner_ctx *sctx = expr_get_extra(yyscanner);
- start_token = expr_get_extra(yyscanner);
+ {
+ int start_token = sctx->start_token;
- if (start_token) {
- expr_set_extra(NULL, yyscanner);
+ if (sctx->start_token) {
+ sctx->start_token = 0;
return start_token;
}
}
@@ -93,7 +106,7 @@ if { return IF; }
else { return ELSE; }
#smt_on { return SMT_ON; }
{number} { return value(yyscanner, 10); }
-{symbol} { return str(yyscanner, ID); }
+{symbol} { return str(yyscanner, ID, sctx->runtime); }
"|" { return '|'; }
"^" { return '^'; }
"&" { return '&'; }
diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
index 4720cbe79357..cd17486c1c5d 100644
--- a/tools/perf/util/expr.y
+++ b/tools/perf/util/expr.y
@@ -15,7 +15,7 @@
%define api.pure full
%parse-param { double *final_val }
-%parse-param { struct parse_ctx *ctx }
+%parse-param { struct expr_parse_ctx *ctx }
%parse-param {void *scanner}
%lex-param {void* scanner}
@@ -39,14 +39,14 @@
%{
static void expr_error(double *final_val __maybe_unused,
- struct parse_ctx *ctx __maybe_unused,
+ struct expr_parse_ctx *ctx __maybe_unused,
void *scanner,
const char *s)
{
pr_debug("%s\n", s);
}
-static int lookup_id(struct parse_ctx *ctx, char *id, double *val)
+static int lookup_id(struct expr_parse_ctx *ctx, char *id, double *val)
{
int i;
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index acbd046bf95c..0ce47283a8a1 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -525,7 +525,7 @@ static int write_event_desc(struct feat_fd *ff,
/*
* write event string as passed on cmdline
*/
- ret = do_write_string(ff, perf_evsel__name(evsel));
+ ret = do_write_string(ff, evsel__name(evsel));
if (ret < 0)
return ret;
/*
@@ -783,8 +783,7 @@ static int write_group_desc(struct feat_fd *ff,
return ret;
evlist__for_each_entry(evlist, evsel) {
- if (perf_evsel__is_group_leader(evsel) &&
- evsel->core.nr_members > 1) {
+ if (evsel__is_group_leader(evsel) && evsel->core.nr_members > 1) {
const char *name = evsel->group_name ?: "{anon_group}";
u32 leader_idx = evsel->idx;
u32 nr_members = evsel->core.nr_members;
@@ -1395,6 +1394,38 @@ static int write_compressed(struct feat_fd *ff __maybe_unused,
return do_write(ff, &(ff->ph->env.comp_mmap_len), sizeof(ff->ph->env.comp_mmap_len));
}
+static int write_cpu_pmu_caps(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ struct perf_pmu *cpu_pmu = perf_pmu__find("cpu");
+ struct perf_pmu_caps *caps = NULL;
+ int nr_caps;
+ int ret;
+
+ if (!cpu_pmu)
+ return -ENOENT;
+
+ nr_caps = perf_pmu__caps_parse(cpu_pmu);
+ if (nr_caps < 0)
+ return nr_caps;
+
+ ret = do_write(ff, &nr_caps, sizeof(nr_caps));
+ if (ret < 0)
+ return ret;
+
+ list_for_each_entry(caps, &cpu_pmu->caps, list) {
+ ret = do_write_string(ff, caps->name);
+ if (ret < 0)
+ return ret;
+
+ ret = do_write_string(ff, caps->value);
+ if (ret < 0)
+ return ret;
+ }
+
+ return ret;
+}
+
static void print_hostname(struct feat_fd *ff, FILE *fp)
{
fprintf(fp, "# hostname : %s\n", ff->ph->env.hostname);
@@ -1809,6 +1840,27 @@ static void print_compressed(struct feat_fd *ff, FILE *fp)
ff->ph->env.comp_level, ff->ph->env.comp_ratio);
}
+static void print_cpu_pmu_caps(struct feat_fd *ff, FILE *fp)
+{
+ const char *delimiter = "# cpu pmu capabilities: ";
+ u32 nr_caps = ff->ph->env.nr_cpu_pmu_caps;
+ char *str;
+
+ if (!nr_caps) {
+ fprintf(fp, "# cpu pmu capabilities: not available\n");
+ return;
+ }
+
+ str = ff->ph->env.cpu_pmu_caps;
+ while (nr_caps--) {
+ fprintf(fp, "%s%s", delimiter, str);
+ delimiter = ", ";
+ str += strlen(str) + 1;
+ }
+
+ fprintf(fp, "\n");
+}
+
static void print_pmu_mappings(struct feat_fd *ff, FILE *fp)
{
const char *delimiter = "# pmu mappings: ";
@@ -1854,14 +1906,12 @@ static void print_group_desc(struct feat_fd *ff, FILE *fp)
session = container_of(ff->ph, struct perf_session, header);
evlist__for_each_entry(session->evlist, evsel) {
- if (perf_evsel__is_group_leader(evsel) &&
- evsel->core.nr_members > 1) {
- fprintf(fp, "# group: %s{%s", evsel->group_name ?: "",
- perf_evsel__name(evsel));
+ if (evsel__is_group_leader(evsel) && evsel->core.nr_members > 1) {
+ fprintf(fp, "# group: %s{%s", evsel->group_name ?: "", evsel__name(evsel));
nr = evsel->core.nr_members - 1;
} else if (nr) {
- fprintf(fp, ",%s", perf_evsel__name(evsel));
+ fprintf(fp, ",%s", evsel__name(evsel));
if (--nr == 0)
fprintf(fp, "}\n");
@@ -2846,6 +2896,60 @@ static int process_compressed(struct feat_fd *ff,
return 0;
}
+static int process_cpu_pmu_caps(struct feat_fd *ff,
+ void *data __maybe_unused)
+{
+ char *name, *value;
+ struct strbuf sb;
+ u32 nr_caps;
+
+ if (do_read_u32(ff, &nr_caps))
+ return -1;
+
+ if (!nr_caps) {
+ pr_debug("cpu pmu capabilities not available\n");
+ return 0;
+ }
+
+ ff->ph->env.nr_cpu_pmu_caps = nr_caps;
+
+ if (strbuf_init(&sb, 128) < 0)
+ return -1;
+
+ while (nr_caps--) {
+ name = do_read_string(ff);
+ if (!name)
+ goto error;
+
+ value = do_read_string(ff);
+ if (!value)
+ goto free_name;
+
+ if (strbuf_addf(&sb, "%s=%s", name, value) < 0)
+ goto free_value;
+
+ /* include a NULL character at the end */
+ if (strbuf_add(&sb, "", 1) < 0)
+ goto free_value;
+
+ if (!strcmp(name, "branches"))
+ ff->ph->env.max_branches = atoi(value);
+
+ free(value);
+ free(name);
+ }
+ ff->ph->env.cpu_pmu_caps = strbuf_detach(&sb, NULL);
+ return 0;
+
+free_value:
+ free(value);
+free_name:
+ free(name);
+error:
+ strbuf_release(&sb);
+ return -1;
+}
+
#define FEAT_OPR(n, func, __full_only) \
[HEADER_##n] = { \
.name = __stringify(n), \
@@ -2903,6 +3007,7 @@ const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPR(BPF_PROG_INFO, bpf_prog_info, false),
FEAT_OPR(BPF_BTF, bpf_btf, false),
FEAT_OPR(COMPRESSED, compressed, false),
+ FEAT_OPR(CPU_PMU_CAPS, cpu_pmu_caps, false),
};
struct header_print_data {
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
index 840f95cee349..650bd1c7a99b 100644
--- a/tools/perf/util/header.h
+++ b/tools/perf/util/header.h
@@ -43,6 +43,7 @@ enum {
HEADER_BPF_PROG_INFO,
HEADER_BPF_BTF,
HEADER_COMPRESSED,
+ HEADER_CPU_PMU_CAPS,
HEADER_LAST_FEATURE,
HEADER_FEAT_BITS = 256,
};
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 283a69ff6a3d..12b65d00cf65 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1070,6 +1070,20 @@ iter_next_cumulative_entry(struct hist_entry_iter *iter,
return fill_callchain_info(al, node, iter->hide_unresolved);
}
+static bool
+hist_entry__fast__sym_diff(struct hist_entry *left,
+ struct hist_entry *right)
+{
+ struct symbol *sym_l = left->ms.sym;
+ struct symbol *sym_r = right->ms.sym;
+
+ if (!sym_l && !sym_r)
+ return left->ip != right->ip;
+
+ return !!_sort__sym_cmp(sym_l, sym_r);
+}
+
+
static int
iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
struct addr_location *al)
@@ -1096,6 +1110,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
};
int i;
struct callchain_cursor cursor;
+ bool fast = hists__has(he_tmp.hists, sym);
callchain_cursor_snapshot(&cursor, &callchain_cursor);
@@ -1106,6 +1121,14 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter,
* It's possible that it has cycles or recursive calls.
*/
for (i = 0; i < iter->curr; i++) {
+ /*
+ * For most cases, there are no duplicate entries in callchain.
+ * The symbols are usually different. Do a quick check for
+ * symbols first.
+ */
+ if (fast && hist_entry__fast__sym_diff(he_cache[i], &he_tmp))
+ continue;
+
if (hist_entry__cmp(he_cache[i], &he_tmp) == 0) {
/* to avoid calling callback function */
iter->he = NULL;
@@ -2637,7 +2660,7 @@ size_t perf_evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp)
size_t ret = 0;
evlist__for_each_entry(evlist, pos) {
- ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos));
+ ret += fprintf(fp, "%s stats:\n", evsel__name(pos));
ret += events_stats__fprintf(&evsel__hists(pos)->stats, fp);
}
@@ -2661,7 +2684,7 @@ int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool sh
unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE];
u64 nr_events = hists->stats.total_period;
struct evsel *evsel = hists_to_evsel(hists);
- const char *ev_name = perf_evsel__name(evsel);
+ const char *ev_name = evsel__name(evsel);
char buf[512], sample_freq_str[64] = "";
size_t buflen = sizeof(buf);
char ref[30] = " show reference callgraph, ";
@@ -2672,10 +2695,10 @@ int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool sh
nr_events = hists->stats.total_non_filtered_period;
}
- if (perf_evsel__is_group_event(evsel)) {
+ if (evsel__is_group_event(evsel)) {
struct evsel *pos;
- perf_evsel__group_desc(evsel, buf, buflen);
+ evsel__group_desc(evsel, buf, buflen);
ev_name = buf;
for_each_group_member(pos, evsel) {
diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c
index 34cb380d19a3..af1e78d76228 100644
--- a/tools/perf/util/intel-bts.c
+++ b/tools/perf/util/intel-bts.c
@@ -432,7 +432,7 @@ static int intel_bts_process_buffer(struct intel_bts_queue *btsq,
le64_to_cpu(branch->from),
le64_to_cpu(branch->to),
btsq->intel_pt_insn.length,
- buffer->buffer_nr + 1);
+ buffer->buffer_nr + 1, true, 0, 0);
if (filter && !(filter & btsq->sample_flags))
continue;
err = intel_bts_synth_branch_sample(btsq, branch);
@@ -728,6 +728,15 @@ static void intel_bts_free(struct perf_session *session)
free(bts);
}
+static bool intel_bts_evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
+{
+ struct intel_bts *bts = container_of(session->auxtrace, struct intel_bts,
+ auxtrace);
+
+ return evsel->core.attr.type == bts->pmu_type;
+}
+
struct intel_bts_synth {
struct perf_tool dummy_tool;
struct perf_session *session;
@@ -816,10 +825,10 @@ static int intel_bts_synth_events(struct intel_bts *bts,
bts->branches_id = id;
/*
* We only use sample types from PERF_SAMPLE_MASK so we can use
- * __perf_evsel__sample_size() here.
+ * __evsel__sample_size() here.
*/
bts->branches_event_size = sizeof(struct perf_record_sample) +
- __perf_evsel__sample_size(attr.sample_type);
+ __evsel__sample_size(attr.sample_type);
}
return 0;
@@ -883,6 +892,7 @@ int intel_bts_process_auxtrace_info(union perf_event *event,
bts->auxtrace.flush_events = intel_bts_flush;
bts->auxtrace.free_events = intel_bts_free_events;
bts->auxtrace.free = intel_bts_free;
+ bts->auxtrace.evsel_is_auxtrace = intel_bts_evsel_is_auxtrace;
session->auxtrace = &bts->auxtrace;
intel_bts_print_info(&auxtrace_info->priv[0], INTEL_BTS_PMU_TYPE,
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
index 0ccf10a0bf44..4ce109993e74 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c
@@ -552,7 +552,7 @@ static int intel_pt_do_get_packet(const unsigned char *buf, size_t len,
break;
default:
break;
- };
+ }
if (!(byte & BIT(0))) {
if (byte == 0)
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 23c8289c2472..f17b1e769ae4 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -33,6 +33,7 @@
#include "tsc.h"
#include "intel-pt.h"
#include "config.h"
+#include "util/perf_api_probe.h"
#include "util/synthetic-events.h"
#include "time-utils.h"
@@ -68,6 +69,10 @@ struct intel_pt {
bool est_tsc;
bool sync_switch;
bool mispred_all;
+ bool use_thread_stack;
+ bool callstack;
+ unsigned int br_stack_sz;
+ unsigned int br_stack_sz_plus;
int have_sched_switch;
u32 pmu_type;
u64 kernel_start;
@@ -124,6 +129,9 @@ struct intel_pt {
struct range *time_ranges;
unsigned int range_cnt;
+
+ struct ip_callchain *chain;
+ struct branch_stack *br_stack;
};
enum switch_state {
@@ -143,8 +151,6 @@ struct intel_pt_queue {
const struct intel_pt_state *state;
struct ip_callchain *chain;
struct branch_stack *last_branch;
- struct branch_stack *last_branch_rb;
- size_t last_branch_pos;
union perf_event *event_buf;
bool on_heap;
bool stop;
@@ -868,6 +874,83 @@ static u64 intel_pt_ns_to_ticks(const struct intel_pt *pt, u64 ns)
pt->tc.time_mult;
}
+static struct ip_callchain *intel_pt_alloc_chain(struct intel_pt *pt)
+{
+ size_t sz = sizeof(struct ip_callchain);
+
+ /* Add 1 to callchain_sz for callchain context */
+ sz += (pt->synth_opts.callchain_sz + 1) * sizeof(u64);
+ return zalloc(sz);
+}
+
+static int intel_pt_callchain_init(struct intel_pt *pt)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(pt->session->evlist, evsel) {
+ if (!(evsel->core.attr.sample_type & PERF_SAMPLE_CALLCHAIN))
+ evsel->synth_sample_type |= PERF_SAMPLE_CALLCHAIN;
+ }
+
+ pt->chain = intel_pt_alloc_chain(pt);
+ if (!pt->chain)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void intel_pt_add_callchain(struct intel_pt *pt,
+ struct perf_sample *sample)
+{
+ struct thread *thread = machine__findnew_thread(pt->machine,
+ sample->pid,
+ sample->tid);
+
+ thread_stack__sample_late(thread, sample->cpu, pt->chain,
+ pt->synth_opts.callchain_sz + 1, sample->ip,
+ pt->kernel_start);
+
+ sample->callchain = pt->chain;
+}
+
+static struct branch_stack *intel_pt_alloc_br_stack(struct intel_pt *pt)
+{
+ size_t sz = sizeof(struct branch_stack);
+
+ sz += pt->br_stack_sz * sizeof(struct branch_entry);
+ return zalloc(sz);
+}
+
+static int intel_pt_br_stack_init(struct intel_pt *pt)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(pt->session->evlist, evsel) {
+ if (!(evsel->core.attr.sample_type & PERF_SAMPLE_BRANCH_STACK))
+ evsel->synth_sample_type |= PERF_SAMPLE_BRANCH_STACK;
+ }
+
+ pt->br_stack = intel_pt_alloc_br_stack(pt);
+ if (!pt->br_stack)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void intel_pt_add_br_stack(struct intel_pt *pt,
+ struct perf_sample *sample)
+{
+ struct thread *thread = machine__findnew_thread(pt->machine,
+ sample->pid,
+ sample->tid);
+
+ thread_stack__br_sample_late(thread, sample->cpu, pt->br_stack,
+ pt->br_stack_sz, sample->ip,
+ pt->kernel_start);
+
+ sample->branch_stack = pt->br_stack;
+}
+
static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
unsigned int queue_nr)
{
@@ -880,26 +963,15 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
return NULL;
if (pt->synth_opts.callchain) {
- size_t sz = sizeof(struct ip_callchain);
-
- /* Add 1 to callchain_sz for callchain context */
- sz += (pt->synth_opts.callchain_sz + 1) * sizeof(u64);
- ptq->chain = zalloc(sz);
+ ptq->chain = intel_pt_alloc_chain(pt);
if (!ptq->chain)
goto out_free;
}
if (pt->synth_opts.last_branch) {
- size_t sz = sizeof(struct branch_stack);
-
- sz += pt->synth_opts.last_branch_sz *
- sizeof(struct branch_entry);
- ptq->last_branch = zalloc(sz);
+ ptq->last_branch = intel_pt_alloc_br_stack(pt);
if (!ptq->last_branch)
goto out_free;
- ptq->last_branch_rb = zalloc(sz);
- if (!ptq->last_branch_rb)
- goto out_free;
}
ptq->event_buf = malloc(PERF_SAMPLE_MAX_SIZE);
@@ -968,7 +1040,6 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt,
out_free:
zfree(&ptq->event_buf);
zfree(&ptq->last_branch);
- zfree(&ptq->last_branch_rb);
zfree(&ptq->chain);
free(ptq);
return NULL;
@@ -984,7 +1055,6 @@ static void intel_pt_free_queue(void *priv)
intel_pt_decoder_free(ptq->decoder);
zfree(&ptq->event_buf);
zfree(&ptq->last_branch);
- zfree(&ptq->last_branch_rb);
zfree(&ptq->chain);
free(ptq);
}
@@ -1152,58 +1222,6 @@ static int intel_pt_setup_queues(struct intel_pt *pt)
return 0;
}
-static inline void intel_pt_copy_last_branch_rb(struct intel_pt_queue *ptq)
-{
- struct branch_stack *bs_src = ptq->last_branch_rb;
- struct branch_stack *bs_dst = ptq->last_branch;
- size_t nr = 0;
-
- bs_dst->nr = bs_src->nr;
-
- if (!bs_src->nr)
- return;
-
- nr = ptq->pt->synth_opts.last_branch_sz - ptq->last_branch_pos;
- memcpy(&bs_dst->entries[0],
- &bs_src->entries[ptq->last_branch_pos],
- sizeof(struct branch_entry) * nr);
-
- if (bs_src->nr >= ptq->pt->synth_opts.last_branch_sz) {
- memcpy(&bs_dst->entries[nr],
- &bs_src->entries[0],
- sizeof(struct branch_entry) * ptq->last_branch_pos);
- }
-}
-
-static inline void intel_pt_reset_last_branch_rb(struct intel_pt_queue *ptq)
-{
- ptq->last_branch_pos = 0;
- ptq->last_branch_rb->nr = 0;
-}
-
-static void intel_pt_update_last_branch_rb(struct intel_pt_queue *ptq)
-{
- const struct intel_pt_state *state = ptq->state;
- struct branch_stack *bs = ptq->last_branch_rb;
- struct branch_entry *be;
-
- if (!ptq->last_branch_pos)
- ptq->last_branch_pos = ptq->pt->synth_opts.last_branch_sz;
-
- ptq->last_branch_pos -= 1;
-
- be = &bs->entries[ptq->last_branch_pos];
- be->from = state->from_ip;
- be->to = state->to_ip;
- be->flags.abort = !!(state->flags & INTEL_PT_ABORT_TX);
- be->flags.in_tx = !!(state->flags & INTEL_PT_IN_TX);
- /* No support for mispredict */
- be->flags.mispred = ptq->pt->mispred_all;
-
- if (bs->nr < ptq->pt->synth_opts.last_branch_sz)
- bs->nr += 1;
-}
-
static inline bool intel_pt_skip_event(struct intel_pt *pt)
{
return pt->synth_opts.initial_skip &&
@@ -1271,9 +1289,9 @@ static inline int intel_pt_opt_inject(struct intel_pt *pt,
return intel_pt_inject_event(event, sample, type);
}
-static int intel_pt_deliver_synth_b_event(struct intel_pt *pt,
- union perf_event *event,
- struct perf_sample *sample, u64 type)
+static int intel_pt_deliver_synth_event(struct intel_pt *pt,
+ union perf_event *event,
+ struct perf_sample *sample, u64 type)
{
int ret;
@@ -1333,8 +1351,8 @@ static int intel_pt_synth_branch_sample(struct intel_pt_queue *ptq)
ptq->last_br_cyc_cnt = ptq->ipc_cyc_cnt;
}
- return intel_pt_deliver_synth_b_event(pt, event, &sample,
- pt->branches_sample_type);
+ return intel_pt_deliver_synth_event(pt, event, &sample,
+ pt->branches_sample_type);
}
static void intel_pt_prep_sample(struct intel_pt *pt,
@@ -1352,27 +1370,12 @@ static void intel_pt_prep_sample(struct intel_pt *pt,
}
if (pt->synth_opts.last_branch) {
- intel_pt_copy_last_branch_rb(ptq);
+ thread_stack__br_sample(ptq->thread, ptq->cpu, ptq->last_branch,
+ pt->br_stack_sz);
sample->branch_stack = ptq->last_branch;
}
}
-static inline int intel_pt_deliver_synth_event(struct intel_pt *pt,
- struct intel_pt_queue *ptq,
- union perf_event *event,
- struct perf_sample *sample,
- u64 type)
-{
- int ret;
-
- ret = intel_pt_deliver_synth_b_event(pt, event, sample, type);
-
- if (pt->synth_opts.last_branch)
- intel_pt_reset_last_branch_rb(ptq);
-
- return ret;
-}
-
static int intel_pt_synth_instruction_sample(struct intel_pt_queue *ptq)
{
struct intel_pt *pt = ptq->pt;
@@ -1397,7 +1400,7 @@ static int intel_pt_synth_instruction_sample(struct intel_pt_queue *ptq)
ptq->last_insn_cnt = ptq->state->tot_insn_cnt;
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->instructions_sample_type);
}
@@ -1415,7 +1418,7 @@ static int intel_pt_synth_transaction_sample(struct intel_pt_queue *ptq)
sample.id = ptq->pt->transactions_id;
sample.stream_id = ptq->pt->transactions_id;
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->transactions_sample_type);
}
@@ -1456,7 +1459,7 @@ static int intel_pt_synth_ptwrite_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->ptwrites_sample_type);
}
@@ -1486,7 +1489,7 @@ static int intel_pt_synth_cbr_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->pwr_events_sample_type);
}
@@ -1511,7 +1514,7 @@ static int intel_pt_synth_mwait_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->pwr_events_sample_type);
}
@@ -1536,7 +1539,7 @@ static int intel_pt_synth_pwre_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->pwr_events_sample_type);
}
@@ -1561,7 +1564,7 @@ static int intel_pt_synth_exstop_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->pwr_events_sample_type);
}
@@ -1586,7 +1589,7 @@ static int intel_pt_synth_pwrx_sample(struct intel_pt_queue *ptq)
sample.raw_size = perf_synth__raw_size(raw);
sample.raw_data = perf_synth__raw_data(&raw);
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample,
+ return intel_pt_deliver_synth_event(pt, event, &sample,
pt->pwr_events_sample_type);
}
@@ -1680,15 +1683,14 @@ static u64 intel_pt_lbr_flags(u64 info)
union {
struct branch_flags flags;
u64 result;
- } u = {
- .flags = {
- .mispred = !!(info & LBR_INFO_MISPRED),
- .predicted = !(info & LBR_INFO_MISPRED),
- .in_tx = !!(info & LBR_INFO_IN_TX),
- .abort = !!(info & LBR_INFO_ABORT),
- .cycles = info & LBR_INFO_CYCLES,
- }
- };
+ } u;
+
+ u.result = 0;
+ u.flags.mispred = !!(info & LBR_INFO_MISPRED);
+ u.flags.predicted = !(info & LBR_INFO_MISPRED);
+ u.flags.in_tx = !!(info & LBR_INFO_IN_TX);
+ u.flags.abort = !!(info & LBR_INFO_ABORT);
+ u.flags.cycles = info & LBR_INFO_CYCLES;
return u.result;
}
@@ -1807,7 +1809,9 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq)
intel_pt_add_lbrs(&br.br_stack, items);
sample.branch_stack = &br.br_stack;
} else if (pt->synth_opts.last_branch) {
- intel_pt_copy_last_branch_rb(ptq);
+ thread_stack__br_sample(ptq->thread, ptq->cpu,
+ ptq->last_branch,
+ pt->br_stack_sz);
sample.branch_stack = ptq->last_branch;
} else {
br.br_stack.nr = 0;
@@ -1842,7 +1846,7 @@ static int intel_pt_synth_pebs_sample(struct intel_pt_queue *ptq)
sample.transaction = txn;
}
- return intel_pt_deliver_synth_event(pt, ptq, event, &sample, sample_type);
+ return intel_pt_deliver_synth_event(pt, event, &sample, sample_type);
}
static int intel_pt_synth_error(struct intel_pt *pt, int code, int cpu,
@@ -1992,12 +1996,15 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)
if (!(state->type & INTEL_PT_BRANCH))
return 0;
- if (pt->synth_opts.callchain || pt->synth_opts.thread_stack)
- thread_stack__event(ptq->thread, ptq->cpu, ptq->flags, state->from_ip,
- state->to_ip, ptq->insn_len,
- state->trace_nr);
- else
+ if (pt->use_thread_stack) {
+ thread_stack__event(ptq->thread, ptq->cpu, ptq->flags,
+ state->from_ip, state->to_ip, ptq->insn_len,
+ state->trace_nr, pt->callstack,
+ pt->br_stack_sz_plus,
+ pt->mispred_all);
+ } else {
thread_stack__set_trace_nr(ptq->thread, ptq->cpu, state->trace_nr);
+ }
if (pt->sample_branches) {
err = intel_pt_synth_branch_sample(ptq);
@@ -2005,9 +2012,6 @@ static int intel_pt_sample(struct intel_pt_queue *ptq)
return err;
}
- if (pt->synth_opts.last_branch)
- intel_pt_update_last_branch_rb(ptq);
-
if (!ptq->sync_switch)
return 0;
@@ -2484,7 +2488,7 @@ static int intel_pt_process_switch(struct intel_pt *pt,
if (evsel != pt->switch_evsel)
return 0;
- tid = perf_evsel__intval(evsel, sample, "next_pid");
+ tid = evsel__intval(evsel, sample, "next_pid");
cpu = sample->cpu;
intel_pt_log("sched_switch: cpu %d tid %d time %"PRIu64" tsc %#"PRIx64"\n",
@@ -2639,6 +2643,13 @@ static int intel_pt_process_event(struct perf_session *session,
if (err)
return err;
+ if (event->header.type == PERF_RECORD_SAMPLE) {
+ if (pt->synth_opts.add_callchain && !sample->callchain)
+ intel_pt_add_callchain(pt, sample);
+ if (pt->synth_opts.add_last_branch && !sample->branch_stack)
+ intel_pt_add_br_stack(pt, sample);
+ }
+
if (event->header.type == PERF_RECORD_AUX &&
(event->aux.flags & PERF_AUX_FLAG_TRUNCATED) &&
pt->synth_opts.errors) {
@@ -2710,11 +2721,21 @@ static void intel_pt_free(struct perf_session *session)
session->auxtrace = NULL;
thread__put(pt->unknown_thread);
addr_filters__exit(&pt->filts);
+ zfree(&pt->chain);
zfree(&pt->filter);
zfree(&pt->time_ranges);
free(pt);
}
+static bool intel_pt_evsel_is_auxtrace(struct perf_session *session,
+ struct evsel *evsel)
+{
+ struct intel_pt *pt = container_of(session->auxtrace, struct intel_pt,
+ auxtrace);
+
+ return evsel->core.attr.type == pt->pmu_type;
+}
+
static int intel_pt_process_auxtrace_event(struct perf_session *session,
union perf_event *event,
struct perf_tool *tool __maybe_unused)
@@ -3016,7 +3037,7 @@ static struct evsel *intel_pt_find_sched_switch(struct evlist *evlist)
struct evsel *evsel;
evlist__for_each_entry_reverse(evlist, evsel) {
- const char *name = perf_evsel__name(evsel);
+ const char *name = evsel__name(evsel);
if (!strcmp(name, "sched:sched_switch"))
return evsel;
@@ -3310,6 +3331,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
pt->auxtrace.flush_events = intel_pt_flush;
pt->auxtrace.free_events = intel_pt_free_events;
pt->auxtrace.free = intel_pt_free;
+ pt->auxtrace.evsel_is_auxtrace = intel_pt_evsel_is_auxtrace;
session->auxtrace = &pt->auxtrace;
if (dump_trace)
@@ -3338,6 +3360,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
!session->itrace_synth_opts->inject) {
pt->synth_opts.branches = false;
pt->synth_opts.callchain = true;
+ pt->synth_opts.add_callchain = true;
}
pt->synth_opts.thread_stack =
session->itrace_synth_opts->thread_stack;
@@ -3370,14 +3393,54 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
pt->branches_filter |= PERF_IP_FLAG_RETURN |
PERF_IP_FLAG_TRACE_BEGIN;
- if (pt->synth_opts.callchain && !symbol_conf.use_callchain) {
+ if ((pt->synth_opts.callchain || pt->synth_opts.add_callchain) &&
+ !symbol_conf.use_callchain) {
symbol_conf.use_callchain = true;
if (callchain_register_param(&callchain_param) < 0) {
symbol_conf.use_callchain = false;
pt->synth_opts.callchain = false;
+ pt->synth_opts.add_callchain = false;
}
}
+ if (pt->synth_opts.add_callchain) {
+ err = intel_pt_callchain_init(pt);
+ if (err)
+ goto err_delete_thread;
+ }
+
+ if (pt->synth_opts.last_branch || pt->synth_opts.add_last_branch) {
+ pt->br_stack_sz = pt->synth_opts.last_branch_sz;
+ pt->br_stack_sz_plus = pt->br_stack_sz;
+ }
+
+ if (pt->synth_opts.add_last_branch) {
+ err = intel_pt_br_stack_init(pt);
+ if (err)
+ goto err_delete_thread;
+ /*
+ * Additional branch stack size to cater for tracing from the
+ * actual sample ip to where the sample time is recorded.
+ * Measured at about 200 branches, but generously set to 1024.
+ * If kernel space is not being traced, then add just 1 for the
+ * branch to kernel space.
+ */
+ if (intel_pt_tracing_kernel(pt))
+ pt->br_stack_sz_plus += 1024;
+ else
+ pt->br_stack_sz_plus += 1;
+ }
+
+ pt->use_thread_stack = pt->synth_opts.callchain ||
+ pt->synth_opts.add_callchain ||
+ pt->synth_opts.thread_stack ||
+ pt->synth_opts.last_branch ||
+ pt->synth_opts.add_last_branch;
+
+ pt->callstack = pt->synth_opts.callchain ||
+ pt->synth_opts.add_callchain ||
+ pt->synth_opts.thread_stack;
+
err = intel_pt_synth_events(pt, session);
if (err)
goto err_delete_thread;
@@ -3400,6 +3463,7 @@ int intel_pt_process_auxtrace_info(union perf_event *event,
return 0;
err_delete_thread:
+ zfree(&pt->chain);
thread__zput(pt->unknown_thread);
err_free_queues:
intel_pt_log_disable();
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 97142e9671be..8ed2135893bb 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -736,6 +736,12 @@ int machine__process_switch_event(struct machine *machine __maybe_unused,
return 0;
}
+static int is_bpf_image(const char *name)
+{
+ return strncmp(name, "bpf_trampoline_", sizeof("bpf_trampoline_") - 1) ||
+ strncmp(name, "bpf_dispatcher_", sizeof("bpf_dispatcher_") - 1);
+}
+
static int machine__process_ksymbol_register(struct machine *machine,
union perf_event *event,
struct perf_sample *sample __maybe_unused)
@@ -759,6 +765,12 @@ static int machine__process_ksymbol_register(struct machine *machine,
map->start = event->ksymbol.addr;
map->end = map->start + event->ksymbol.len;
maps__insert(&machine->kmaps, map);
+ dso__set_loaded(dso);
+
+ if (is_bpf_image(event->ksymbol.name)) {
+ dso->binary_type = DSO_BINARY_TYPE__BPF_IMAGE;
+ dso__set_long_name(dso, "", false);
+ }
}
sym = symbol__new(map->map_ip(map, map->start),
@@ -2178,6 +2190,303 @@ static int remove_loops(struct branch_entry *l, int nr,
return nr;
}
+static int lbr_callchain_add_kernel_ip(struct thread *thread,
+ struct callchain_cursor *cursor,
+ struct perf_sample *sample,
+ struct symbol **parent,
+ struct addr_location *root_al,
+ u64 branch_from,
+ bool callee, int end)
+{
+ struct ip_callchain *chain = sample->callchain;
+ u8 cpumode = PERF_RECORD_MISC_USER;
+ int err, i;
+
+ if (callee) {
+ for (i = 0; i < end + 1; i++) {
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, chain->ips[i],
+ false, NULL, NULL, branch_from);
+ if (err)
+ return err;
+ }
+ return 0;
+ }
+
+ for (i = end; i >= 0; i--) {
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, chain->ips[i],
+ false, NULL, NULL, branch_from);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static void save_lbr_cursor_node(struct thread *thread,
+ struct callchain_cursor *cursor,
+ int idx)
+{
+ struct lbr_stitch *lbr_stitch = thread->lbr_stitch;
+
+ if (!lbr_stitch)
+ return;
+
+ if (cursor->pos == cursor->nr) {
+ lbr_stitch->prev_lbr_cursor[idx].valid = false;
+ return;
+ }
+
+ if (!cursor->curr)
+ cursor->curr = cursor->first;
+ else
+ cursor->curr = cursor->curr->next;
+ memcpy(&lbr_stitch->prev_lbr_cursor[idx], cursor->curr,
+ sizeof(struct callchain_cursor_node));
+
+ lbr_stitch->prev_lbr_cursor[idx].valid = true;
+ cursor->pos++;
+}
+
+static int lbr_callchain_add_lbr_ip(struct thread *thread,
+ struct callchain_cursor *cursor,
+ struct perf_sample *sample,
+ struct symbol **parent,
+ struct addr_location *root_al,
+ u64 *branch_from,
+ bool callee)
+{
+ struct branch_stack *lbr_stack = sample->branch_stack;
+ struct branch_entry *entries = perf_sample__branch_entries(sample);
+ u8 cpumode = PERF_RECORD_MISC_USER;
+ int lbr_nr = lbr_stack->nr;
+ struct branch_flags *flags;
+ int err, i;
+ u64 ip;
+
+ /*
+ * The curr and pos are not used in writing session. They are cleared
+ * in callchain_cursor_commit() when the writing session is closed.
+ * Using curr and pos to track the current cursor node.
+ */
+ if (thread->lbr_stitch) {
+ cursor->curr = NULL;
+ cursor->pos = cursor->nr;
+ if (cursor->nr) {
+ cursor->curr = cursor->first;
+ for (i = 0; i < (int)(cursor->nr - 1); i++)
+ cursor->curr = cursor->curr->next;
+ }
+ }
+
+ if (callee) {
+ /* Add LBR ip from first entries.to */
+ ip = entries[0].to;
+ flags = &entries[0].flags;
+ *branch_from = entries[0].from;
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, ip,
+ true, flags, NULL,
+ *branch_from);
+ if (err)
+ return err;
+
+ /*
+ * The number of cursor node increases.
+ * Move the current cursor node.
+ * But does not need to save current cursor node for entry 0.
+ * It's impossible to stitch the whole LBRs of previous sample.
+ */
+ if (thread->lbr_stitch && (cursor->pos != cursor->nr)) {
+ if (!cursor->curr)
+ cursor->curr = cursor->first;
+ else
+ cursor->curr = cursor->curr->next;
+ cursor->pos++;
+ }
+
+ /* Add LBR ip from entries.from one by one. */
+ for (i = 0; i < lbr_nr; i++) {
+ ip = entries[i].from;
+ flags = &entries[i].flags;
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, ip,
+ true, flags, NULL,
+ *branch_from);
+ if (err)
+ return err;
+ save_lbr_cursor_node(thread, cursor, i);
+ }
+ return 0;
+ }
+
+ /* Add LBR ip from entries.from one by one. */
+ for (i = lbr_nr - 1; i >= 0; i--) {
+ ip = entries[i].from;
+ flags = &entries[i].flags;
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, ip,
+ true, flags, NULL,
+ *branch_from);
+ if (err)
+ return err;
+ save_lbr_cursor_node(thread, cursor, i);
+ }
+
+ /* Add LBR ip from first entries.to */
+ ip = entries[0].to;
+ flags = &entries[0].flags;
+ *branch_from = entries[0].from;
+ err = add_callchain_ip(thread, cursor, parent,
+ root_al, &cpumode, ip,
+ true, flags, NULL,
+ *branch_from);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int lbr_callchain_add_stitched_lbr_ip(struct thread *thread,
+ struct callchain_cursor *cursor)
+{
+ struct lbr_stitch *lbr_stitch = thread->lbr_stitch;
+ struct callchain_cursor_node *cnode;
+ struct stitch_list *stitch_node;
+ int err;
+
+ list_for_each_entry(stitch_node, &lbr_stitch->lists, node) {
+ cnode = &stitch_node->cursor;
+
+ err = callchain_cursor_append(cursor, cnode->ip,
+ &cnode->ms,
+ cnode->branch,
+ &cnode->branch_flags,
+ cnode->nr_loop_iter,
+ cnode->iter_cycles,
+ cnode->branch_from,
+ cnode->srcline);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static struct stitch_list *get_stitch_node(struct thread *thread)
+{
+ struct lbr_stitch *lbr_stitch = thread->lbr_stitch;
+ struct stitch_list *stitch_node;
+
+ if (!list_empty(&lbr_stitch->free_lists)) {
+ stitch_node = list_first_entry(&lbr_stitch->free_lists,
+ struct stitch_list, node);
+ list_del(&stitch_node->node);
+
+ return stitch_node;
+ }
+
+ return malloc(sizeof(struct stitch_list));
+}
+
+static bool has_stitched_lbr(struct thread *thread,
+ struct perf_sample *cur,
+ struct perf_sample *prev,
+ unsigned int max_lbr,
+ bool callee)
+{
+ struct branch_stack *cur_stack = cur->branch_stack;
+ struct branch_entry *cur_entries = perf_sample__branch_entries(cur);
+ struct branch_stack *prev_stack = prev->branch_stack;
+ struct branch_entry *prev_entries = perf_sample__branch_entries(prev);
+ struct lbr_stitch *lbr_stitch = thread->lbr_stitch;
+ int i, j, nr_identical_branches = 0;
+ struct stitch_list *stitch_node;
+ u64 cur_base, distance;
+
+ if (!cur_stack || !prev_stack)
+ return false;
+
+ /* Find the physical index of the base-of-stack for current sample. */
+ cur_base = max_lbr - cur_stack->nr + cur_stack->hw_idx + 1;
+
+ distance = (prev_stack->hw_idx > cur_base) ? (prev_stack->hw_idx - cur_base) :
+ (max_lbr + prev_stack->hw_idx - cur_base);
+ /* Previous sample has shorter stack. Nothing can be stitched. */
+ if (distance + 1 > prev_stack->nr)
+ return false;
+
+ /*
+ * Check if there are identical LBRs between two samples.
+ * Identicall LBRs must have same from, to and flags values. Also,
+ * they have to be saved in the same LBR registers (same physical
+ * index).
+ *
+ * Starts from the base-of-stack of current sample.
+ */
+ for (i = distance, j = cur_stack->nr - 1; (i >= 0) && (j >= 0); i--, j--) {
+ if ((prev_entries[i].from != cur_entries[j].from) ||
+ (prev_entries[i].to != cur_entries[j].to) ||
+ (prev_entries[i].flags.value != cur_entries[j].flags.value))
+ break;
+ nr_identical_branches++;
+ }
+
+ if (!nr_identical_branches)
+ return false;
+
+ /*
+ * Save the LBRs between the base-of-stack of previous sample
+ * and the base-of-stack of current sample into lbr_stitch->lists.
+ * These LBRs will be stitched later.
+ */
+ for (i = prev_stack->nr - 1; i > (int)distance; i--) {
+
+ if (!lbr_stitch->prev_lbr_cursor[i].valid)
+ continue;
+
+ stitch_node = get_stitch_node(thread);
+ if (!stitch_node)
+ return false;
+
+ memcpy(&stitch_node->cursor, &lbr_stitch->prev_lbr_cursor[i],
+ sizeof(struct callchain_cursor_node));
+
+ if (callee)
+ list_add(&stitch_node->node, &lbr_stitch->lists);
+ else
+ list_add_tail(&stitch_node->node, &lbr_stitch->lists);
+ }
+
+ return true;
+}
+
+static bool alloc_lbr_stitch(struct thread *thread, unsigned int max_lbr)
+{
+ if (thread->lbr_stitch)
+ return true;
+
+ thread->lbr_stitch = zalloc(sizeof(*thread->lbr_stitch));
+ if (!thread->lbr_stitch)
+ goto err;
+
+ thread->lbr_stitch->prev_lbr_cursor = calloc(max_lbr + 1, sizeof(struct callchain_cursor_node));
+ if (!thread->lbr_stitch->prev_lbr_cursor)
+ goto free_lbr_stitch;
+
+ INIT_LIST_HEAD(&thread->lbr_stitch->lists);
+ INIT_LIST_HEAD(&thread->lbr_stitch->free_lists);
+
+ return true;
+
+free_lbr_stitch:
+ zfree(&thread->lbr_stitch);
+err:
+ pr_warning("Failed to allocate space for stitched LBRs. Disable LBR stitch\n");
+ thread->lbr_stitch_enable = false;
+ return false;
+}
+
/*
* Recolve LBR callstack chain sample
* Return:
@@ -2190,12 +2499,16 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
struct perf_sample *sample,
struct symbol **parent,
struct addr_location *root_al,
- int max_stack)
+ int max_stack,
+ unsigned int max_lbr)
{
+ bool callee = (callchain_param.order == ORDER_CALLEE);
struct ip_callchain *chain = sample->callchain;
int chain_nr = min(max_stack, (int)chain->nr), i;
- u8 cpumode = PERF_RECORD_MISC_USER;
- u64 ip, branch_from = 0;
+ struct lbr_stitch *lbr_stitch;
+ bool stitched_lbr = false;
+ u64 branch_from = 0;
+ int err;
for (i = 0; i < chain_nr; i++) {
if (chain->ips[i] == PERF_CONTEXT_USER)
@@ -2203,71 +2516,65 @@ static int resolve_lbr_callchain_sample(struct thread *thread,
}
/* LBR only affects the user callchain */
- if (i != chain_nr) {
- struct branch_stack *lbr_stack = sample->branch_stack;
- struct branch_entry *entries = perf_sample__branch_entries(sample);
- int lbr_nr = lbr_stack->nr, j, k;
- bool branch;
- struct branch_flags *flags;
- /*
- * LBR callstack can only get user call chain.
- * The mix_chain_nr is kernel call chain
- * number plus LBR user call chain number.
- * i is kernel call chain number,
- * 1 is PERF_CONTEXT_USER,
- * lbr_nr + 1 is the user call chain number.
- * For details, please refer to the comments
- * in callchain__printf
- */
- int mix_chain_nr = i + 1 + lbr_nr + 1;
+ if (i == chain_nr)
+ return 0;
- for (j = 0; j < mix_chain_nr; j++) {
- int err;
- branch = false;
- flags = NULL;
+ if (thread->lbr_stitch_enable && !sample->no_hw_idx &&
+ (max_lbr > 0) && alloc_lbr_stitch(thread, max_lbr)) {
+ lbr_stitch = thread->lbr_stitch;
- if (callchain_param.order == ORDER_CALLEE) {
- if (j < i + 1)
- ip = chain->ips[j];
- else if (j > i + 1) {
- k = j - i - 2;
- ip = entries[k].from;
- branch = true;
- flags = &entries[k].flags;
- } else {
- ip = entries[0].to;
- branch = true;
- flags = &entries[0].flags;
- branch_from = entries[0].from;
- }
- } else {
- if (j < lbr_nr) {
- k = lbr_nr - j - 1;
- ip = entries[k].from;
- branch = true;
- flags = &entries[k].flags;
- }
- else if (j > lbr_nr)
- ip = chain->ips[i + 1 - (j - lbr_nr)];
- else {
- ip = entries[0].to;
- branch = true;
- flags = &entries[0].flags;
- branch_from = entries[0].from;
- }
- }
+ stitched_lbr = has_stitched_lbr(thread, sample,
+ &lbr_stitch->prev_sample,
+ max_lbr, callee);
- err = add_callchain_ip(thread, cursor, parent,
- root_al, &cpumode, ip,
- branch, flags, NULL,
- branch_from);
+ if (!stitched_lbr && !list_empty(&lbr_stitch->lists)) {
+ list_replace_init(&lbr_stitch->lists,
+ &lbr_stitch->free_lists);
+ }
+ memcpy(&lbr_stitch->prev_sample, sample, sizeof(*sample));
+ }
+
+ if (callee) {
+ /* Add kernel ip */
+ err = lbr_callchain_add_kernel_ip(thread, cursor, sample,
+ parent, root_al, branch_from,
+ true, i);
+ if (err)
+ goto error;
+
+ err = lbr_callchain_add_lbr_ip(thread, cursor, sample, parent,
+ root_al, &branch_from, true);
+ if (err)
+ goto error;
+
+ if (stitched_lbr) {
+ err = lbr_callchain_add_stitched_lbr_ip(thread, cursor);
if (err)
- return (err < 0) ? err : 0;
+ goto error;
}
- return 1;
+
+ } else {
+ if (stitched_lbr) {
+ err = lbr_callchain_add_stitched_lbr_ip(thread, cursor);
+ if (err)
+ goto error;
+ }
+ err = lbr_callchain_add_lbr_ip(thread, cursor, sample, parent,
+ root_al, &branch_from, false);
+ if (err)
+ goto error;
+
+ /* Add kernel ip */
+ err = lbr_callchain_add_kernel_ip(thread, cursor, sample,
+ parent, root_al, branch_from,
+ false, i);
+ if (err)
+ goto error;
}
+ return 1;
- return 0;
+error:
+ return (err < 0) ? err : 0;
}
static int find_prev_cpumode(struct ip_callchain *chain, struct thread *thread,
@@ -2311,9 +2618,12 @@ static int thread__resolve_callchain_sample(struct thread *thread,
if (chain)
chain_nr = chain->nr;
- if (perf_evsel__has_branch_callstack(evsel)) {
+ if (evsel__has_branch_callstack(evsel)) {
+ struct perf_env *env = evsel__env(evsel);
+
err = resolve_lbr_callchain_sample(thread, cursor, sample, parent,
- root_al, max_stack);
+ root_al, max_stack,
+ !env ? 0 : env->max_branches);
if (err)
return (err < 0) ? err : 0;
}
diff --git a/tools/perf/util/mem2node.c b/tools/perf/util/mem2node.c
index 797d86a1ab09..c84f5841c7ab 100644
--- a/tools/perf/util/mem2node.c
+++ b/tools/perf/util/mem2node.c
@@ -1,5 +1,6 @@
#include <errno.h>
#include <inttypes.h>
+#include <asm/bug.h>
#include <linux/bitmap.h>
#include <linux/kernel.h>
#include <linux/zalloc.h>
@@ -95,7 +96,7 @@ int mem2node__init(struct mem2node *map, struct perf_env *env)
/* Cut unused entries, due to merging. */
tmp_entries = realloc(entries, sizeof(*entries) * j);
- if (tmp_entries)
+ if (tmp_entries || WARN_ON_ONCE(j == 0))
entries = tmp_entries;
for (i = 0; i < j; i++) {
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 926449a7cdbf..b071df373f8b 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -90,6 +90,7 @@ struct egroup {
const char *metric_name;
const char *metric_expr;
const char *metric_unit;
+ int runtime;
};
static struct evsel *find_evsel_group(struct evlist *perf_evlist,
@@ -202,6 +203,7 @@ static int metricgroup__setup_events(struct list_head *groups,
expr->metric_name = eg->metric_name;
expr->metric_unit = eg->metric_unit;
expr->metric_events = metric_events;
+ expr->runtime = eg->runtime;
list_add(&expr->nd, &me->head);
}
@@ -485,6 +487,45 @@ static bool metricgroup__has_constraint(struct pmu_event *pe)
return false;
}
+int __weak arch_get_runtimeparam(void)
+{
+ return 1;
+}
+
+static int __metricgroup__add_metric(struct strbuf *events,
+ struct list_head *group_list, struct pmu_event *pe, int runtime)
+{
+
+ const char **ids;
+ int idnum;
+ struct egroup *eg;
+
+ if (expr__find_other(pe->metric_expr, NULL, &ids, &idnum, runtime) < 0)
+ return -EINVAL;
+
+ if (events->len > 0)
+ strbuf_addf(events, ",");
+
+ if (metricgroup__has_constraint(pe))
+ metricgroup__add_metric_non_group(events, ids, idnum);
+ else
+ metricgroup__add_metric_weak_group(events, ids, idnum);
+
+ eg = malloc(sizeof(*eg));
+ if (!eg)
+ return -ENOMEM;
+
+ eg->ids = ids;
+ eg->idnum = idnum;
+ eg->metric_name = pe->metric_name;
+ eg->metric_expr = pe->metric_expr;
+ eg->metric_unit = pe->unit;
+ eg->runtime = runtime;
+ list_add_tail(&eg->nd, group_list);
+
+ return 0;
+}
+
static int metricgroup__add_metric(const char *metric, struct strbuf *events,
struct list_head *group_list)
{
@@ -504,35 +545,26 @@ static int metricgroup__add_metric(const char *metric, struct strbuf *events,
continue;
if (match_metric(pe->metric_group, metric) ||
match_metric(pe->metric_name, metric)) {
- const char **ids;
- int idnum;
- struct egroup *eg;
pr_debug("metric expr %s for %s\n", pe->metric_expr, pe->metric_name);
- if (expr__find_other(pe->metric_expr,
- NULL, &ids, &idnum) < 0)
- continue;
- if (events->len > 0)
- strbuf_addf(events, ",");
+ if (!strstr(pe->metric_expr, "?")) {
+ ret = __metricgroup__add_metric(events, group_list, pe, 1);
+ } else {
+ int j, count;
- if (metricgroup__has_constraint(pe))
- metricgroup__add_metric_non_group(events, ids, idnum);
- else
- metricgroup__add_metric_weak_group(events, ids, idnum);
+ count = arch_get_runtimeparam();
- eg = malloc(sizeof(struct egroup));
- if (!eg) {
- ret = -ENOMEM;
- break;
+ /* This loop is added to create multiple
+ * events depend on count value and add
+ * those events to group_list.
+ */
+
+ for (j = 0; j < count; j++)
+ ret = __metricgroup__add_metric(events, group_list, pe, j);
}
- eg->ids = ids;
- eg->idnum = idnum;
- eg->metric_name = pe->metric_name;
- eg->metric_expr = pe->metric_expr;
- eg->metric_unit = pe->unit;
- list_add_tail(&eg->nd, group_list);
- ret = 0;
+ if (ret == -ENOMEM)
+ break;
}
}
return ret;
diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h
index 475c7f912864..6b09eb30b4ec 100644
--- a/tools/perf/util/metricgroup.h
+++ b/tools/perf/util/metricgroup.h
@@ -22,6 +22,7 @@ struct metric_expr {
const char *metric_name;
const char *metric_unit;
struct evsel **metric_events;
+ int runtime;
};
struct metric_event *metricgroup__lookup(struct rblist *metric_events,
@@ -34,4 +35,5 @@ int metricgroup__parse_groups(const struct option *opt,
void metricgroup__print(bool metrics, bool groups, char *filter,
bool raw, bool details);
bool metricgroup__has_metric(const char *metric);
+int arch_get_runtimeparam(void);
#endif
diff --git a/tools/perf/util/ordered-events.c b/tools/perf/util/ordered-events.c
index 359db2b1fcef..48c8f609441b 100644
--- a/tools/perf/util/ordered-events.c
+++ b/tools/perf/util/ordered-events.c
@@ -314,7 +314,7 @@ static int __ordered_events__flush(struct ordered_events *oe, enum oe_flush how,
case OE_FLUSH__NONE:
default:
break;
- };
+ }
pr_oe_time(oe->next_flush, "next_flush - ordered_events__flush PRE %s, nr_events %u\n",
str[how], oe->nr_events);
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 10107747b361..b7a0518d607d 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -461,7 +461,7 @@ int parse_events_add_cache(struct list_head *list, int *idx,
cache_op = parse_aliases(str, perf_evsel__hw_cache_op,
PERF_COUNT_HW_CACHE_OP_MAX);
if (cache_op >= 0) {
- if (!perf_evsel__is_cache_op_valid(cache_type, cache_op))
+ if (!evsel__is_cache_op_valid(cache_type, cache_op))
return -EINVAL;
continue;
}
@@ -1482,6 +1482,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
list_for_each_entry_safe(pos, tmp, &config_terms, list) {
list_del_init(&pos->list);
+ zfree(&pos->val.str);
free(pos);
}
return -EINVAL;
@@ -1870,7 +1871,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add)
evsel->precise_max = mod.precise_max;
evsel->weak_group = mod.weak;
- if (perf_evsel__is_group_leader(evsel))
+ if (evsel__is_group_leader(evsel))
evsel->core.attr.pinned = mod.pinned;
}
@@ -2190,6 +2191,29 @@ int parse_events_option(const struct option *opt, const char *str,
return ret;
}
+int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset)
+{
+ struct evlist **evlistp = opt->value;
+ int ret;
+
+ if (*evlistp == NULL) {
+ *evlistp = evlist__new();
+
+ if (*evlistp == NULL) {
+ fprintf(stderr, "Not enough memory to create evlist\n");
+ return -1;
+ }
+ }
+
+ ret = parse_events_option(opt, str, unset);
+ if (ret) {
+ evlist__delete(*evlistp);
+ *evlistp = NULL;
+ }
+
+ return ret;
+}
+
static int
foreach_evsel_in_last_glob(struct evlist *evlist,
int (*func)(struct evsel *evsel,
@@ -2237,7 +2261,7 @@ static int set_filter(struct evsel *evsel, const void *arg)
}
if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) {
- if (perf_evsel__append_tp_filter(evsel, str) < 0) {
+ if (evsel__append_tp_filter(evsel, str) < 0) {
fprintf(stderr,
"not enough memory to hold filter string\n");
return -1;
@@ -2262,7 +2286,7 @@ static int set_filter(struct evsel *evsel, const void *arg)
return -1;
}
- if (perf_evsel__append_addr_filter(evsel, str) < 0) {
+ if (evsel__append_addr_filter(evsel, str) < 0) {
fprintf(stderr,
"not enough memory to hold filter string\n");
return -1;
@@ -2293,7 +2317,7 @@ static int add_exclude_perf_filter(struct evsel *evsel,
snprintf(new_filter, sizeof(new_filter), "common_pid != %d", getpid());
- if (perf_evsel__append_tp_filter(evsel, new_filter) < 0) {
+ if (evsel__append_tp_filter(evsel, new_filter) < 0) {
fprintf(stderr,
"not enough memory to hold filter string\n");
return -1;
@@ -2603,12 +2627,11 @@ restart:
for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
/* skip invalid cache type */
- if (!perf_evsel__is_cache_op_valid(type, op))
+ if (!evsel__is_cache_op_valid(type, op))
continue;
for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- __perf_evsel__hw_cache_type_op_res_name(type, op, i,
- name, sizeof(name));
+ __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name));
if (event_glob != NULL && !strglobmatch(name, event_glob))
continue;
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 27596cbd0ba0..6ead9661238c 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -31,6 +31,7 @@ bool have_tracepoints(struct list_head *evlist);
const char *event_type(int type);
int parse_events_option(const struct option *opt, const char *str, int unset);
+int parse_events_option_new_evlist(const struct option *opt, const char *str, int unset);
int parse_events(struct evlist *evlist, const char *str,
struct parse_events_error *error);
int parse_events_terms(struct list_head *terms, const char *str);
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index baa48f28d57d..c589fc42f058 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -286,6 +286,7 @@ no-overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); }
percore { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_PERCORE); }
aux-output { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_OUTPUT); }
aux-sample-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_AUX_SAMPLE_SIZE); }
+r{num_raw_hex} { return raw(yyscanner); }
, { return ','; }
"/" { BEGIN(INITIAL); return '/'; }
{name_minus} { return str(yyscanner, PE_NAME); }
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 94f8bcd83582..c4ca932d092d 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -44,7 +44,7 @@ static void free_list_evsel(struct list_head* list_evsel)
list_for_each_entry_safe(evsel, tmp, list_evsel, core.node) {
list_del_init(&evsel->core.node);
- perf_evsel__delete(evsel);
+ evsel__delete(evsel);
}
free(list_evsel);
}
@@ -326,6 +326,7 @@ PE_NAME opt_pmu_config
}
parse_events_terms__delete($2);
parse_events_terms__delete(orig_terms);
+ free(pattern);
free($1);
$$ = list;
#undef CLEANUP_YYABORT
@@ -706,6 +707,15 @@ event_term
}
event_term:
+PE_RAW
+{
+ struct parse_events_term *term;
+
+ ABORT_ON(parse_events_term__num(&term, PARSE_EVENTS__TERM_TYPE_CONFIG,
+ NULL, $1, false, &@1, NULL));
+ $$ = term;
+}
+|
PE_NAME '=' PE_NAME
{
struct parse_events_term *term;
diff --git a/tools/perf/util/perf_api_probe.c b/tools/perf/util/perf_api_probe.c
new file mode 100644
index 000000000000..1337965673d7
--- /dev/null
+++ b/tools/perf/util/perf_api_probe.c
@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include "perf-sys.h"
+#include "util/cloexec.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/parse-events.h"
+#include "util/perf_api_probe.h"
+#include <perf/cpumap.h>
+#include <errno.h>
+
+typedef void (*setup_probe_fn_t)(struct evsel *evsel);
+
+static int perf_do_probe_api(setup_probe_fn_t fn, int cpu, const char *str)
+{
+ struct evlist *evlist;
+ struct evsel *evsel;
+ unsigned long flags = perf_event_open_cloexec_flag();
+ int err = -EAGAIN, fd;
+ static pid_t pid = -1;
+
+ evlist = evlist__new();
+ if (!evlist)
+ return -ENOMEM;
+
+ if (parse_events(evlist, str, NULL))
+ goto out_delete;
+
+ evsel = evlist__first(evlist);
+
+ while (1) {
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
+ if (fd < 0) {
+ if (pid == -1 && errno == EACCES) {
+ pid = 0;
+ continue;
+ }
+ goto out_delete;
+ }
+ break;
+ }
+ close(fd);
+
+ fn(evsel);
+
+ fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
+ if (fd < 0) {
+ if (errno == EINVAL)
+ err = -EINVAL;
+ goto out_delete;
+ }
+ close(fd);
+ err = 0;
+
+out_delete:
+ evlist__delete(evlist);
+ return err;
+}
+
+static bool perf_probe_api(setup_probe_fn_t fn)
+{
+ const char *try[] = {"cycles:u", "instructions:u", "cpu-clock:u", NULL};
+ struct perf_cpu_map *cpus;
+ int cpu, ret, i = 0;
+
+ cpus = perf_cpu_map__new(NULL);
+ if (!cpus)
+ return false;
+ cpu = cpus->map[0];
+ perf_cpu_map__put(cpus);
+
+ do {
+ ret = perf_do_probe_api(fn, cpu, try[i++]);
+ if (!ret)
+ return true;
+ } while (ret == -EAGAIN && try[i]);
+
+ return false;
+}
+
+static void perf_probe_sample_identifier(struct evsel *evsel)
+{
+ evsel->core.attr.sample_type |= PERF_SAMPLE_IDENTIFIER;
+}
+
+static void perf_probe_comm_exec(struct evsel *evsel)
+{
+ evsel->core.attr.comm_exec = 1;
+}
+
+static void perf_probe_context_switch(struct evsel *evsel)
+{
+ evsel->core.attr.context_switch = 1;
+}
+
+bool perf_can_sample_identifier(void)
+{
+ return perf_probe_api(perf_probe_sample_identifier);
+}
+
+bool perf_can_comm_exec(void)
+{
+ return perf_probe_api(perf_probe_comm_exec);
+}
+
+bool perf_can_record_switch_events(void)
+{
+ return perf_probe_api(perf_probe_context_switch);
+}
+
+bool perf_can_record_cpu_wide(void)
+{
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_SOFTWARE,
+ .config = PERF_COUNT_SW_CPU_CLOCK,
+ .exclude_kernel = 1,
+ };
+ struct perf_cpu_map *cpus;
+ int cpu, fd;
+
+ cpus = perf_cpu_map__new(NULL);
+ if (!cpus)
+ return false;
+ cpu = cpus->map[0];
+ perf_cpu_map__put(cpus);
+
+ fd = sys_perf_event_open(&attr, -1, cpu, -1, 0);
+ if (fd < 0)
+ return false;
+ close(fd);
+
+ return true;
+}
+
+/*
+ * Architectures are expected to know if AUX area sampling is supported by the
+ * hardware. Here we check for kernel support.
+ */
+bool perf_can_aux_sample(void)
+{
+ struct perf_event_attr attr = {
+ .size = sizeof(struct perf_event_attr),
+ .exclude_kernel = 1,
+ /*
+ * Non-zero value causes the kernel to calculate the effective
+ * attribute size up to that byte.
+ */
+ .aux_sample_size = 1,
+ };
+ int fd;
+
+ fd = sys_perf_event_open(&attr, -1, 0, -1, 0);
+ /*
+ * If the kernel attribute is big enough to contain aux_sample_size
+ * then we assume that it is supported. We are relying on the kernel to
+ * validate the attribute size before anything else that could be wrong.
+ */
+ if (fd < 0 && errno == E2BIG)
+ return false;
+ if (fd >= 0)
+ close(fd);
+
+ return true;
+}
diff --git a/tools/perf/util/perf_api_probe.h b/tools/perf/util/perf_api_probe.h
new file mode 100644
index 000000000000..706c3c6426e2
--- /dev/null
+++ b/tools/perf/util/perf_api_probe.h
@@ -0,0 +1,14 @@
+
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_API_PROBE_H
+#define __PERF_API_PROBE_H
+
+#include <stdbool.h>
+
+bool perf_can_aux_sample(void);
+bool perf_can_comm_exec(void);
+bool perf_can_record_cpu_wide(void);
+bool perf_can_record_switch_events(void);
+bool perf_can_sample_identifier(void);
+
+#endif // __PERF_API_PROBE_H
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index ef6a63f3d386..92bd7fafcce6 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -18,6 +18,7 @@
#include <regex.h>
#include <perf/cpumap.h>
#include "debug.h"
+#include "evsel.h"
#include "pmu.h"
#include "parse-events.h"
#include "header.h"
@@ -849,6 +850,7 @@ static struct perf_pmu *pmu_lookup(const char *name)
INIT_LIST_HEAD(&pmu->format);
INIT_LIST_HEAD(&pmu->aliases);
+ INIT_LIST_HEAD(&pmu->caps);
list_splice(&format, &pmu->format);
list_splice(&aliases, &pmu->aliases);
list_add_tail(&pmu->list, &pmus);
@@ -869,6 +871,17 @@ static struct perf_pmu *pmu_find(const char *name)
return NULL;
}
+struct perf_pmu *perf_pmu__find_by_type(unsigned int type)
+{
+ struct perf_pmu *pmu;
+
+ list_for_each_entry(pmu, &pmus, list)
+ if (pmu->type == type)
+ return pmu;
+
+ return NULL;
+}
+
struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
{
/*
@@ -884,6 +897,25 @@ struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu)
return NULL;
}
+struct perf_pmu *evsel__find_pmu(struct evsel *evsel)
+{
+ struct perf_pmu *pmu = NULL;
+
+ while ((pmu = perf_pmu__scan(pmu)) != NULL) {
+ if (pmu->type == evsel->core.attr.type)
+ break;
+ }
+
+ return pmu;
+}
+
+bool evsel__is_aux_event(struct evsel *evsel)
+{
+ struct perf_pmu *pmu = evsel__find_pmu(evsel);
+
+ return pmu && pmu->auxtrace;
+}
+
struct perf_pmu *perf_pmu__find(const char *name)
{
struct perf_pmu *pmu;
@@ -1574,3 +1606,84 @@ int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt,
va_end(args);
return ret;
}
+
+static int perf_pmu__new_caps(struct list_head *list, char *name, char *value)
+{
+ struct perf_pmu_caps *caps = zalloc(sizeof(*caps));
+
+ if (!caps)
+ return -ENOMEM;
+
+ caps->name = strdup(name);
+ if (!caps->name)
+ goto free_caps;
+ caps->value = strndup(value, strlen(value) - 1);
+ if (!caps->value)
+ goto free_name;
+ list_add_tail(&caps->list, list);
+ return 0;
+
+free_name:
+ zfree(caps->name);
+free_caps:
+ free(caps);
+
+ return -ENOMEM;
+}
+
+/*
+ * Reading/parsing the given pmu capabilities, which should be located at:
+ * /sys/bus/event_source/devices/<dev>/caps as sysfs group attributes.
+ * Return the number of capabilities
+ */
+int perf_pmu__caps_parse(struct perf_pmu *pmu)
+{
+ struct stat st;
+ char caps_path[PATH_MAX];
+ const char *sysfs = sysfs__mountpoint();
+ DIR *caps_dir;
+ struct dirent *evt_ent;
+ int nr_caps = 0;
+
+ if (!sysfs)
+ return -1;
+
+ snprintf(caps_path, PATH_MAX,
+ "%s" EVENT_SOURCE_DEVICE_PATH "%s/caps", sysfs, pmu->name);
+
+ if (stat(caps_path, &st) < 0)
+ return 0; /* no error if caps does not exist */
+
+ caps_dir = opendir(caps_path);
+ if (!caps_dir)
+ return -EINVAL;
+
+ while ((evt_ent = readdir(caps_dir)) != NULL) {
+ char path[PATH_MAX + NAME_MAX + 1];
+ char *name = evt_ent->d_name;
+ char value[128];
+ FILE *file;
+
+ if (!strcmp(name, ".") || !strcmp(name, ".."))
+ continue;
+
+ snprintf(path, sizeof(path), "%s/%s", caps_path, name);
+
+ file = fopen(path, "r");
+ if (!file)
+ continue;
+
+ if (!fgets(value, sizeof(value), file) ||
+ (perf_pmu__new_caps(&pmu->caps, name, value) < 0)) {
+ fclose(file);
+ continue;
+ }
+
+ nr_caps++;
+ fclose(file);
+ }
+
+ closedir(caps_dir);
+
+ return nr_caps;
+}
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 5fb3f16828df..cb6fbec50313 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -22,6 +22,12 @@ enum {
struct perf_event_attr;
+struct perf_pmu_caps {
+ char *name;
+ char *value;
+ struct list_head list;
+};
+
struct perf_pmu {
char *name;
__u32 type;
@@ -33,6 +39,7 @@ struct perf_pmu {
struct perf_cpu_map *cpus;
struct list_head format; /* HEAD struct perf_pmu_format -> list */
struct list_head aliases; /* HEAD struct perf_pmu_alias -> list */
+ struct list_head caps; /* HEAD struct perf_pmu_caps -> list */
struct list_head list; /* ELEM */
};
@@ -65,6 +72,7 @@ struct perf_pmu_alias {
};
struct perf_pmu *perf_pmu__find(const char *name);
+struct perf_pmu *perf_pmu__find_by_type(unsigned int type);
int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr,
struct list_head *head_terms,
struct parse_events_error *error);
@@ -107,4 +115,6 @@ bool pmu_uncore_alias_match(const char *pmu_name, const char *name);
int perf_pmu__convert_scale(const char *scale, char **end, double *sval);
+int perf_pmu__caps_parse(struct perf_pmu *pmu);
+
#endif /* __PMU_H */
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 83212c65848b..75a9b1d62bba 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -801,7 +801,7 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
static void pyrf_evsel__delete(struct pyrf_evsel *pevsel)
{
- perf_evsel__exit(&pevsel->evsel);
+ evsel__exit(&pevsel->evsel);
Py_TYPE(pevsel)->tp_free((PyObject*)pevsel);
}
@@ -1044,7 +1044,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
pevent->evsel = evsel;
- err = perf_evsel__parse_sample(evsel, event, &pevent->sample);
+ err = evsel__parse_sample(evsel, event, &pevent->sample);
/* Consume the even only after we parsed it out. */
perf_mmap__consume(&md->core);
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c
index 7def66168503..a4cc11592f6b 100644
--- a/tools/perf/util/record.c
+++ b/tools/perf/util/record.c
@@ -10,161 +10,64 @@
#include <subcmd/parse-options.h>
#include <perf/cpumap.h>
#include "cloexec.h"
+#include "util/perf_api_probe.h"
#include "record.h"
#include "../perf-sys.h"
-typedef void (*setup_probe_fn_t)(struct evsel *evsel);
-
-static int perf_do_probe_api(setup_probe_fn_t fn, int cpu, const char *str)
+/*
+ * evsel__config_leader_sampling() uses special rules for leader sampling.
+ * However, if the leader is an AUX area event, then assume the event to sample
+ * is the next event.
+ */
+static struct evsel *evsel__read_sampler(struct evsel *evsel, struct evlist *evlist)
{
- struct evlist *evlist;
- struct evsel *evsel;
- unsigned long flags = perf_event_open_cloexec_flag();
- int err = -EAGAIN, fd;
- static pid_t pid = -1;
-
- evlist = evlist__new();
- if (!evlist)
- return -ENOMEM;
-
- if (parse_events(evlist, str, NULL))
- goto out_delete;
-
- evsel = evlist__first(evlist);
+ struct evsel *leader = evsel->leader;
- while (1) {
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
- if (fd < 0) {
- if (pid == -1 && errno == EACCES) {
- pid = 0;
- continue;
- }
- goto out_delete;
+ if (evsel__is_aux_event(leader)) {
+ evlist__for_each_entry(evlist, evsel) {
+ if (evsel->leader == leader && evsel != evsel->leader)
+ return evsel;
}
- break;
- }
- close(fd);
-
- fn(evsel);
-
- fd = sys_perf_event_open(&evsel->core.attr, pid, cpu, -1, flags);
- if (fd < 0) {
- if (errno == EINVAL)
- err = -EINVAL;
- goto out_delete;
}
- close(fd);
- err = 0;
-
-out_delete:
- evlist__delete(evlist);
- return err;
-}
-
-static bool perf_probe_api(setup_probe_fn_t fn)
-{
- const char *try[] = {"cycles:u", "instructions:u", "cpu-clock:u", NULL};
- struct perf_cpu_map *cpus;
- int cpu, ret, i = 0;
-
- cpus = perf_cpu_map__new(NULL);
- if (!cpus)
- return false;
- cpu = cpus->map[0];
- perf_cpu_map__put(cpus);
-
- do {
- ret = perf_do_probe_api(fn, cpu, try[i++]);
- if (!ret)
- return true;
- } while (ret == -EAGAIN && try[i]);
- return false;
+ return leader;
}
-static void perf_probe_sample_identifier(struct evsel *evsel)
+static void evsel__config_leader_sampling(struct evsel *evsel, struct evlist *evlist)
{
- evsel->core.attr.sample_type |= PERF_SAMPLE_IDENTIFIER;
-}
-
-static void perf_probe_comm_exec(struct evsel *evsel)
-{
- evsel->core.attr.comm_exec = 1;
-}
-
-static void perf_probe_context_switch(struct evsel *evsel)
-{
- evsel->core.attr.context_switch = 1;
-}
-
-bool perf_can_sample_identifier(void)
-{
- return perf_probe_api(perf_probe_sample_identifier);
-}
+ struct perf_event_attr *attr = &evsel->core.attr;
+ struct evsel *leader = evsel->leader;
+ struct evsel *read_sampler;
-static bool perf_can_comm_exec(void)
-{
- return perf_probe_api(perf_probe_comm_exec);
-}
+ if (!leader->sample_read)
+ return;
-bool perf_can_record_switch_events(void)
-{
- return perf_probe_api(perf_probe_context_switch);
-}
+ read_sampler = evsel__read_sampler(evsel, evlist);
-bool perf_can_record_cpu_wide(void)
-{
- struct perf_event_attr attr = {
- .type = PERF_TYPE_SOFTWARE,
- .config = PERF_COUNT_SW_CPU_CLOCK,
- .exclude_kernel = 1,
- };
- struct perf_cpu_map *cpus;
- int cpu, fd;
-
- cpus = perf_cpu_map__new(NULL);
- if (!cpus)
- return false;
- cpu = cpus->map[0];
- perf_cpu_map__put(cpus);
+ if (evsel == read_sampler)
+ return;
- fd = sys_perf_event_open(&attr, -1, cpu, -1, 0);
- if (fd < 0)
- return false;
- close(fd);
-
- return true;
-}
-
-/*
- * Architectures are expected to know if AUX area sampling is supported by the
- * hardware. Here we check for kernel support.
- */
-bool perf_can_aux_sample(void)
-{
- struct perf_event_attr attr = {
- .size = sizeof(struct perf_event_attr),
- .exclude_kernel = 1,
- /*
- * Non-zero value causes the kernel to calculate the effective
- * attribute size up to that byte.
- */
- .aux_sample_size = 1,
- };
- int fd;
-
- fd = sys_perf_event_open(&attr, -1, 0, -1, 0);
/*
- * If the kernel attribute is big enough to contain aux_sample_size
- * then we assume that it is supported. We are relying on the kernel to
- * validate the attribute size before anything else that could be wrong.
+ * Disable sampling for all group members other than the leader in
+ * case the leader 'leads' the sampling, except when the leader is an
+ * AUX area event, in which case the 2nd event in the group is the one
+ * that 'leads' the sampling.
*/
- if (fd < 0 && errno == E2BIG)
- return false;
- if (fd >= 0)
- close(fd);
+ attr->freq = 0;
+ attr->sample_freq = 0;
+ attr->sample_period = 0;
+ attr->write_backward = 0;
- return true;
+ /*
+ * We don't get a sample for slave events, we make them when delivering
+ * the group leader sample. Set the slave event to follow the master
+ * sample_type to ease up reporting.
+ * An AUX area event also has sample_type requirements, so also include
+ * the sample type bits from the leader's sample_type to cover that
+ * case.
+ */
+ attr->sample_type = read_sampler->core.attr.sample_type |
+ leader->core.attr.sample_type;
}
void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
@@ -188,11 +91,15 @@ void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
use_comm_exec = perf_can_comm_exec();
evlist__for_each_entry(evlist, evsel) {
- perf_evsel__config(evsel, opts, callchain);
+ evsel__config(evsel, opts, callchain);
if (evsel->tracking && use_comm_exec)
evsel->core.attr.comm_exec = 1;
}
+ /* Configure leader sampling here now that the sample type is known */
+ evlist__for_each_entry(evlist, evsel)
+ evsel__config_leader_sampling(evsel, evlist);
+
if (opts->full_auxtrace) {
/*
* Need to be able to synthesize and parse selected events with
@@ -215,7 +122,7 @@ void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
if (sample_id) {
evlist__for_each_entry(evlist, evsel)
- perf_evsel__set_sample_id(evsel, use_sample_identifier);
+ evsel__set_sample_id(evsel, use_sample_identifier);
}
perf_evlist__set_id_pos(evlist);
diff --git a/tools/perf/util/record.h b/tools/perf/util/record.h
index 24316458be20..923565c3b155 100644
--- a/tools/perf/util/record.h
+++ b/tools/perf/util/record.h
@@ -68,6 +68,7 @@ struct record_opts {
int affinity;
int mmap_flush;
unsigned int comp_level;
+ unsigned int nr_threads_synthesize;
};
extern const char * const *record_usage;
diff --git a/tools/perf/util/s390-cpumcf-kernel.h b/tools/perf/util/s390-cpumcf-kernel.h
index d4356030b504..f55ca07f3ca1 100644
--- a/tools/perf/util/s390-cpumcf-kernel.h
+++ b/tools/perf/util/s390-cpumcf-kernel.h
@@ -11,6 +11,7 @@
#define S390_CPUMCF_DIAG_DEF 0xfeef /* Counter diagnostic entry ID */
#define PERF_EVENT_CPUM_CF_DIAG 0xBC000 /* Event: Counter sets */
+#define PERF_EVENT_CPUM_SF_DIAG 0xBD000 /* Event: Combined-sampling */
struct cf_ctrset_entry { /* CPU-M CF counter set entry (8 byte) */
unsigned int def:16; /* 0-15 Data Entry Format */
diff --git a/tools/perf/util/s390-cpumsf.c b/tools/perf/util/s390-cpumsf.c
index 6785cd87aa4d..f8861998e5bd 100644
--- a/tools/perf/util/s390-cpumsf.c
+++ b/tools/perf/util/s390-cpumsf.c
@@ -1047,6 +1047,14 @@ static void s390_cpumsf_free(struct perf_session *session)
free(sf);
}
+static bool
+s390_cpumsf_evsel_is_auxtrace(struct perf_session *session __maybe_unused,
+ struct evsel *evsel)
+{
+ return evsel->core.attr.type == PERF_TYPE_RAW &&
+ evsel->core.attr.config == PERF_EVENT_CPUM_SF_DIAG;
+}
+
static int s390_cpumsf_get_type(const char *cpuid)
{
int ret, family = 0;
@@ -1071,7 +1079,8 @@ static bool check_auxtrace_itrace(struct itrace_synth_opts *itops)
itops->pwr_events || itops->errors ||
itops->dont_decode || itops->calls || itops->returns ||
itops->callchain || itops->thread_stack ||
- itops->last_branch;
+ itops->last_branch || itops->add_callchain ||
+ itops->add_last_branch;
if (!ison)
return true;
pr_err("Unsupported --itrace options specified\n");
@@ -1142,6 +1151,7 @@ int s390_cpumsf_process_auxtrace_info(union perf_event *event,
sf->auxtrace.flush_events = s390_cpumsf_flush;
sf->auxtrace.free_events = s390_cpumsf_free_events;
sf->auxtrace.free = s390_cpumsf_free;
+ sf->auxtrace.evsel_is_auxtrace = s390_cpumsf_evsel_is_auxtrace;
session->auxtrace = &sf->auxtrace;
if (dump_trace)
diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 2c372cf5495e..739516fdf6e3 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -741,7 +741,7 @@ static PyObject *get_perf_sample_dict(struct perf_sample *sample,
if (!dict_sample)
Py_FatalError("couldn't create Python dictionary");
- pydict_set_item_string_decref(dict, "ev_name", _PyUnicode_FromString(perf_evsel__name(evsel)));
+ pydict_set_item_string_decref(dict, "ev_name", _PyUnicode_FromString(evsel__name(evsel)));
pydict_set_item_string_decref(dict, "attr", _PyBytes_FromStringAndSize((const char *)&evsel->core.attr, sizeof(evsel->core.attr)));
pydict_set_item_string_decref(dict_sample, "pid",
@@ -968,7 +968,7 @@ static int python_export_evsel(struct db_export *dbe, struct evsel *evsel)
t = tuple_new(2);
tuple_set_u64(t, 0, evsel->db_id);
- tuple_set_string(t, 1, perf_evsel__name(evsel));
+ tuple_set_string(t, 1, evsel__name(evsel));
call_object(tables->evsel_handler, t, "evsel_table");
@@ -1349,7 +1349,7 @@ static void get_handler_name(char *str, size_t size,
{
char *p = str;
- scnprintf(str, size, "stat__%s", perf_evsel__name(evsel));
+ scnprintf(str, size, "stat__%s", evsel__name(evsel));
while ((p = strchr(p, ':'))) {
*p = '_';
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0b0bfe5bef17..c11d89e0ee55 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1059,7 +1059,7 @@ static void callchain__printf(struct evsel *evsel,
unsigned int i;
struct ip_callchain *callchain = sample->callchain;
- if (perf_evsel__has_branch_callstack(evsel))
+ if (evsel__has_branch_callstack(evsel))
callchain__lbr_callstack_printf(sample);
printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr);
@@ -1243,8 +1243,8 @@ static void dump_sample(struct evsel *evsel, union perf_event *event,
if (evsel__has_callchain(evsel))
callchain__printf(evsel, sample);
- if (sample_type & PERF_SAMPLE_BRANCH_STACK)
- branch_stack__printf(sample, perf_evsel__has_branch_callstack(evsel));
+ if (evsel__has_br_stack(evsel))
+ branch_stack__printf(sample, evsel__has_branch_callstack(evsel));
if (sample_type & PERF_SAMPLE_REGS_USER)
regs_user__printf(sample);
@@ -1280,8 +1280,7 @@ static void dump_read(struct evsel *evsel, union perf_event *event)
return;
printf(": %d %d %s %" PRI_lu64 "\n", event->read.pid, event->read.tid,
- perf_evsel__name(evsel),
- event->read.value);
+ evsel__name(evsel), event->read.value);
if (!evsel)
return;
diff --git a/tools/perf/util/sideband_evlist.c b/tools/perf/util/sideband_evlist.c
new file mode 100644
index 000000000000..1580a3cbec2d
--- /dev/null
+++ b/tools/perf/util/sideband_evlist.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include "util/debug.h"
+#include "util/evlist.h"
+#include "util/evsel.h"
+#include "util/mmap.h"
+#include "util/perf_api_probe.h"
+#include <perf/mmap.h>
+#include <linux/perf_event.h>
+#include <limits.h>
+#include <pthread.h>
+#include <sched.h>
+#include <stdbool.h>
+
+int perf_evlist__add_sb_event(struct evlist *evlist, struct perf_event_attr *attr,
+ evsel__sb_cb_t cb, void *data)
+{
+ struct evsel *evsel;
+
+ if (!attr->sample_id_all) {
+ pr_warning("enabling sample_id_all for all side band events\n");
+ attr->sample_id_all = 1;
+ }
+
+ evsel = perf_evsel__new_idx(attr, evlist->core.nr_entries);
+ if (!evsel)
+ return -1;
+
+ evsel->side_band.cb = cb;
+ evsel->side_band.data = data;
+ evlist__add(evlist, evsel);
+ return 0;
+}
+
+static void *perf_evlist__poll_thread(void *arg)
+{
+ struct evlist *evlist = arg;
+ bool draining = false;
+ int i, done = 0;
+ /*
+ * In order to read symbols from other namespaces perf to needs to call
+ * setns(2). This isn't permitted if the struct_fs has multiple users.
+ * unshare(2) the fs so that we may continue to setns into namespaces
+ * that we're observing when, for instance, reading the build-ids at
+ * the end of a 'perf record' session.
+ */
+ unshare(CLONE_FS);
+
+ while (!done) {
+ bool got_data = false;
+
+ if (evlist->thread.done)
+ draining = true;
+
+ if (!draining)
+ evlist__poll(evlist, 1000);
+
+ for (i = 0; i < evlist->core.nr_mmaps; i++) {
+ struct mmap *map = &evlist->mmap[i];
+ union perf_event *event;
+
+ if (perf_mmap__read_init(&map->core))
+ continue;
+ while ((event = perf_mmap__read_event(&map->core)) != NULL) {
+ struct evsel *evsel = perf_evlist__event2evsel(evlist, event);
+
+ if (evsel && evsel->side_band.cb)
+ evsel->side_band.cb(event, evsel->side_band.data);
+ else
+ pr_warning("cannot locate proper evsel for the side band event\n");
+
+ perf_mmap__consume(&map->core);
+ got_data = true;
+ }
+ perf_mmap__read_done(&map->core);
+ }
+
+ if (draining && !got_data)
+ break;
+ }
+ return NULL;
+}
+
+void evlist__set_cb(struct evlist *evlist, evsel__sb_cb_t cb, void *data)
+{
+ struct evsel *evsel;
+
+ evlist__for_each_entry(evlist, evsel) {
+ evsel->core.attr.sample_id_all = 1;
+ evsel->core.attr.watermark = 1;
+ evsel->core.attr.wakeup_watermark = 1;
+ evsel->side_band.cb = cb;
+ evsel->side_band.data = data;
+ }
+}
+
+int perf_evlist__start_sb_thread(struct evlist *evlist, struct target *target)
+{
+ struct evsel *counter;
+
+ if (!evlist)
+ return 0;
+
+ if (perf_evlist__create_maps(evlist, target))
+ goto out_delete_evlist;
+
+ if (evlist->core.nr_entries > 1) {
+ bool can_sample_identifier = perf_can_sample_identifier();
+
+ evlist__for_each_entry(evlist, counter)
+ evsel__set_sample_id(counter, can_sample_identifier);
+
+ perf_evlist__set_id_pos(evlist);
+ }
+
+ evlist__for_each_entry(evlist, counter) {
+ if (evsel__open(counter, evlist->core.cpus, evlist->core.threads) < 0)
+ goto out_delete_evlist;
+ }
+
+ if (evlist__mmap(evlist, UINT_MAX))
+ goto out_delete_evlist;
+
+ evlist__for_each_entry(evlist, counter) {
+ if (evsel__enable(counter))
+ goto out_delete_evlist;
+ }
+
+ evlist->thread.done = 0;
+ if (pthread_create(&evlist->thread.th, NULL, perf_evlist__poll_thread, evlist))
+ goto out_delete_evlist;
+
+ return 0;
+
+out_delete_evlist:
+ evlist__delete(evlist);
+ evlist = NULL;
+ return -1;
+}
+
+void perf_evlist__stop_sb_thread(struct evlist *evlist)
+{
+ if (!evlist)
+ return;
+ evlist->thread.done = 1;
+ pthread_join(evlist->thread.th, NULL);
+ evlist__delete(evlist);
+}
diff --git a/tools/perf/util/smt.c b/tools/perf/util/smt.c
index 3b791ef2cd50..20bacd5972ad 100644
--- a/tools/perf/util/smt.c
+++ b/tools/perf/util/smt.c
@@ -15,6 +15,9 @@ int smt_on(void)
if (cached)
return cached_result;
+ if (sysfs__read_int("devices/system/cpu/smt/active", &cached_result) > 0)
+ goto done;
+
ncpu = sysconf(_SC_NPROCESSORS_CONF);
for (cpu = 0; cpu < ncpu; cpu++) {
unsigned long long siblings;
@@ -24,13 +27,13 @@ int smt_on(void)
snprintf(fn, sizeof fn,
"devices/system/cpu/cpu%d/topology/core_cpus", cpu);
- if (access(fn, F_OK) == -1) {
+ if (sysfs__read_str(fn, &str, &strlen) < 0) {
snprintf(fn, sizeof fn,
"devices/system/cpu/cpu%d/topology/thread_siblings",
cpu);
+ if (sysfs__read_str(fn, &str, &strlen) < 0)
+ continue;
}
- if (sysfs__read_str(fn, &str, &strlen) < 0)
- continue;
/* Entry is hex, but does not have 0x, so need custom parser */
siblings = strtoull(str, NULL, 16);
free(str);
@@ -42,6 +45,7 @@ int smt_on(void)
}
if (!cached) {
cached_result = 0;
+done:
cached = true;
}
return cached_result;
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index f14cc728c358..c1f8879f92cc 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -237,7 +237,7 @@ static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
return (int64_t)(right_ip - left_ip);
}
-static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
+int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
{
if (!sym_l || !sym_r)
return cmp_null(sym_l, sym_r);
@@ -300,8 +300,14 @@ static int _hist_entry__sym_snprintf(struct map_symbol *ms,
if (verbose > 0) {
char o = map ? dso__symtab_origin(map->dso) : '!';
+ u64 rip = ip;
+
+ if (map && map->dso && map->dso->kernel
+ && map->dso->adjust_symbols)
+ rip = map->unmap_ip(map, ip);
+
ret += repsep_snprintf(bf, size, "%-#*llx %c ",
- BITS_PER_LONG / 4 + 2, ip, o);
+ BITS_PER_LONG / 4 + 2, rip, o);
}
ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
@@ -2354,7 +2360,7 @@ static struct evsel *find_evsel(struct evlist *evlist, char *event_name)
evsel = evlist__first(evlist);
while (--nr > 0)
- evsel = perf_evsel__next(evsel);
+ evsel = evsel__next(evsel);
return evsel;
}
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index cfa6ac6f7d06..66d39c4cfe2b 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -311,5 +311,7 @@ int64_t
sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
int64_t
sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
+int64_t
+_sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r);
char *hist_entry__srcline(struct hist_entry *he);
#endif /* __PERF_SORT_H */
diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c
index 9e757d18d713..3c6976f7574c 100644
--- a/tools/perf/util/stat-display.c
+++ b/tools/perf/util/stat-display.c
@@ -237,8 +237,6 @@ static bool valid_only_metric(const char *unit)
if (!unit)
return false;
if (strstr(unit, "/sec") ||
- strstr(unit, "hz") ||
- strstr(unit, "Hz") ||
strstr(unit, "CPUs utilized"))
return false;
return true;
@@ -248,7 +246,7 @@ static const char *fixunit(char *buf, struct evsel *evsel,
const char *unit)
{
if (!strncmp(unit, "of all", 6)) {
- snprintf(buf, 1024, "%s %s", perf_evsel__name(evsel),
+ snprintf(buf, 1024, "%s %s", evsel__name(evsel),
unit);
return buf;
}
@@ -335,7 +333,7 @@ static int first_shadow_cpu(struct perf_stat_config *config,
if (config->aggr_mode == AGGR_GLOBAL)
return 0;
- for (i = 0; i < perf_evsel__nr_cpus(evsel); i++) {
+ for (i = 0; i < evsel__nr_cpus(evsel); i++) {
int cpu2 = evsel__cpus(evsel)->map[i];
if (config->aggr_get_id(config, evlist->core.cpus, cpu2) == id)
@@ -369,7 +367,7 @@ static void abs_printout(struct perf_stat_config *config,
config->csv_output ? 0 : config->unit_width,
evsel->unit, config->csv_sep);
- fprintf(output, "%-*s", config->csv_output ? 0 : 25, perf_evsel__name(evsel));
+ fprintf(output, "%-*s", config->csv_output ? 0 : 25, evsel__name(evsel));
print_cgroup(config, evsel);
}
@@ -463,8 +461,7 @@ static void printout(struct perf_stat_config *config, int id, int nr,
counter->unit, config->csv_sep);
fprintf(config->output, "%*s",
- config->csv_output ? 0 : -25,
- perf_evsel__name(counter));
+ config->csv_output ? 0 : -25, evsel__name(counter));
print_cgroup(config, counter);
@@ -510,7 +507,7 @@ static void aggr_update_shadow(struct perf_stat_config *config,
id = config->aggr_map->map[s];
evlist__for_each_entry(evlist, counter) {
val = 0;
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
s2 = config->aggr_get_id(config, evlist->core.cpus, cpu);
if (s2 != id)
continue;
@@ -561,11 +558,11 @@ static void collect_all_aliases(struct perf_stat_config *config, struct evsel *c
alias = list_prepare_entry(counter, &(evlist->core.entries), core.node);
list_for_each_entry_continue (alias, &evlist->core.entries, core.node) {
- if (strcmp(perf_evsel__name(alias), perf_evsel__name(counter)) ||
+ if (strcmp(evsel__name(alias), evsel__name(counter)) ||
alias->scale != counter->scale ||
alias->cgrp != counter->cgrp ||
strcmp(alias->unit, counter->unit) ||
- perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter) ||
+ evsel__is_clock(alias) != evsel__is_clock(counter) ||
!strcmp(alias->pmu_name, counter->pmu_name))
break;
alias->merged_stat = true;
@@ -601,7 +598,7 @@ static void aggr_cb(struct perf_stat_config *config,
struct aggr_data *ad = data;
int cpu, s2;
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
struct perf_counts_values *counts;
s2 = config->aggr_get_id(config, evsel__cpus(counter), cpu);
@@ -849,7 +846,7 @@ static void print_counter(struct perf_stat_config *config,
double uval;
int cpu;
- for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
+ for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
struct aggr_data ad = { .cpu = cpu };
if (!collect_data(config, counter, counter_cb, &ad))
@@ -1150,7 +1147,7 @@ static void print_percore_thread(struct perf_stat_config *config,
int s, s2, id;
bool first = true;
- for (int i = 0; i < perf_evsel__nr_cpus(counter); i++) {
+ for (int i = 0; i < evsel__nr_cpus(counter); i++) {
s2 = config->aggr_get_id(config, evsel__cpus(counter), i);
for (s = 0; s < config->aggr_map->nr; s++) {
id = config->aggr_map->map[s];
diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
index 03ecb8cd0eec..129b8c5f2538 100644
--- a/tools/perf/util/stat-shadow.c
+++ b/tools/perf/util/stat-shadow.c
@@ -216,9 +216,9 @@ void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
count *= counter->scale;
- if (perf_evsel__is_clock(counter))
+ if (evsel__is_clock(counter))
update_runtime_stat(st, STAT_NSECS, 0, cpu, count_ns);
- else if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
+ else if (evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
update_runtime_stat(st, STAT_CYCLES, ctx, cpu, count);
else if (perf_stat_evsel__is(counter, CYCLES_IN_TX))
update_runtime_stat(st, STAT_CYCLES_IN_TX, ctx, cpu, count);
@@ -241,25 +241,25 @@ void perf_stat__update_shadow_stats(struct evsel *counter, u64 count,
else if (perf_stat_evsel__is(counter, TOPDOWN_RECOVERY_BUBBLES))
update_runtime_stat(st, STAT_TOPDOWN_RECOVERY_BUBBLES,
ctx, cpu, count);
- else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
+ else if (evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
update_runtime_stat(st, STAT_STALLED_CYCLES_FRONT,
ctx, cpu, count);
- else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
+ else if (evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND))
update_runtime_stat(st, STAT_STALLED_CYCLES_BACK,
ctx, cpu, count);
- else if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
+ else if (evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
update_runtime_stat(st, STAT_BRANCHES, ctx, cpu, count);
- else if (perf_evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
+ else if (evsel__match(counter, HARDWARE, HW_CACHE_REFERENCES))
update_runtime_stat(st, STAT_CACHEREFS, ctx, cpu, count);
- else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
+ else if (evsel__match(counter, HW_CACHE, HW_CACHE_L1D))
update_runtime_stat(st, STAT_L1_DCACHE, ctx, cpu, count);
- else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
+ else if (evsel__match(counter, HW_CACHE, HW_CACHE_L1I))
update_runtime_stat(st, STAT_L1_ICACHE, ctx, cpu, count);
- else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_LL))
+ else if (evsel__match(counter, HW_CACHE, HW_CACHE_LL))
update_runtime_stat(st, STAT_LL_CACHE, ctx, cpu, count);
- else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
+ else if (evsel__match(counter, HW_CACHE, HW_CACHE_DTLB))
update_runtime_stat(st, STAT_DTLB_CACHE, ctx, cpu, count);
- else if (perf_evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
+ else if (evsel__match(counter, HW_CACHE, HW_CACHE_ITLB))
update_runtime_stat(st, STAT_ITLB_CACHE, ctx, cpu, count);
else if (perf_stat_evsel__is(counter, SMI_NUM))
update_runtime_stat(st, STAT_SMI_NUM, ctx, cpu, count);
@@ -336,7 +336,7 @@ void perf_stat__collect_metric_expr(struct evlist *evsel_list)
metric_events = counter->metric_events;
if (!metric_events) {
if (expr__find_other(counter->metric_expr, counter->name,
- &metric_names, &num_metric_names) < 0)
+ &metric_names, &num_metric_names, 1) < 0)
continue;
metric_events = calloc(sizeof(struct evsel *),
@@ -723,13 +723,14 @@ static void generic_metric(struct perf_stat_config *config,
char *name,
const char *metric_name,
const char *metric_unit,
+ int runtime,
double avg,
int cpu,
struct perf_stat_output_ctx *out,
struct runtime_stat *st)
{
print_metric_t print_metric = out->print_metric;
- struct parse_ctx pctx;
+ struct expr_parse_ctx pctx;
double ratio, scale;
int i;
void *ctxp = out->ctx;
@@ -777,7 +778,7 @@ static void generic_metric(struct perf_stat_config *config,
}
if (!metric_events[i]) {
- if (expr__parse(&ratio, &pctx, metric_expr) == 0) {
+ if (expr__parse(&ratio, &pctx, metric_expr, runtime) == 0) {
char *unit;
char metric_bf[64];
@@ -786,9 +787,13 @@ static void generic_metric(struct perf_stat_config *config,
&unit, &scale) >= 0) {
ratio *= scale;
}
-
- scnprintf(metric_bf, sizeof(metric_bf),
+ if (strstr(metric_expr, "?"))
+ scnprintf(metric_bf, sizeof(metric_bf),
+ "%s %s_%d", unit, metric_name, runtime);
+ else
+ scnprintf(metric_bf, sizeof(metric_bf),
"%s %s", unit, metric_name);
+
print_metric(config, ctxp, NULL, "%8.1f",
metric_bf, ratio);
} else {
@@ -828,7 +833,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
struct metric_event *me;
int num = 1;
- if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
+ if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) {
total = runtime_stat_avg(st, STAT_CYCLES, ctx, cpu);
if (total) {
@@ -853,7 +858,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
"stalled cycles per insn",
ratio);
}
- } else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
+ } else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES)) {
if (runtime_stat_n(st, STAT_BRANCHES, ctx, cpu) != 0)
print_branch_misses(config, cpu, evsel, avg, out, st);
else
@@ -908,7 +913,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
print_ll_cache_misses(config, cpu, evsel, avg, out, st);
else
print_metric(config, ctxp, NULL, NULL, "of all LL-cache hits", 0);
- } else if (perf_evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) {
+ } else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES)) {
total = runtime_stat_avg(st, STAT_CACHEREFS, ctx, cpu);
if (total)
@@ -919,11 +924,11 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
"of all cache refs", ratio);
else
print_metric(config, ctxp, NULL, NULL, "of all cache refs", 0);
- } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
+ } else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) {
print_stalled_cycles_frontend(config, cpu, evsel, avg, out, st);
- } else if (perf_evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
+ } else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND)) {
print_stalled_cycles_backend(config, cpu, evsel, avg, out, st);
- } else if (perf_evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
+ } else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) {
total = runtime_stat_avg(st, STAT_NSECS, 0, cpu);
if (total) {
@@ -974,7 +979,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
ratio = total / avg;
print_metric(config, ctxp, NULL, "%8.0f", "cycles / elision", ratio);
- } else if (perf_evsel__is_clock(evsel)) {
+ } else if (evsel__is_clock(evsel)) {
if ((ratio = avg_stats(&walltime_nsecs_stats)) != 0)
print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized",
avg / (ratio * evsel->scale));
@@ -1022,7 +1027,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
print_metric(config, ctxp, NULL, NULL, name, 0);
} else if (evsel->metric_expr) {
generic_metric(config, evsel->metric_expr, evsel->metric_events, evsel->name,
- evsel->metric_name, NULL, avg, cpu, out, st);
+ evsel->metric_name, NULL, 1, avg, cpu, out, st);
} else if (runtime_stat_n(st, STAT_NSECS, 0, cpu) != 0) {
char unit = 'M';
char unit_buf[10];
@@ -1051,7 +1056,7 @@ void perf_stat__print_shadow_stats(struct perf_stat_config *config,
out->new_line(config, ctxp);
generic_metric(config, mexp->metric_expr, mexp->metric_events,
evsel->name, mexp->metric_name,
- mexp->metric_unit, avg, cpu, out, st);
+ mexp->metric_unit, mexp->runtime, avg, cpu, out, st);
}
}
if (num == 0)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 5f26137b8d60..774468341851 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -108,7 +108,7 @@ static void perf_stat_evsel_id_init(struct evsel *evsel)
/* ps->id is 0 hence PERF_STAT_EVSEL_ID__NONE by default */
for (i = 0; i < PERF_STAT_EVSEL_ID__MAX; i++) {
- if (!strcmp(perf_evsel__name(evsel), id_str[i])) {
+ if (!strcmp(evsel__name(evsel), id_str[i])) {
ps->id = i;
break;
}
@@ -173,7 +173,7 @@ static void perf_evsel__reset_prev_raw_counts(struct evsel *evsel)
static int perf_evsel__alloc_stats(struct evsel *evsel, bool alloc_raw)
{
- int ncpus = perf_evsel__nr_cpus(evsel);
+ int ncpus = evsel__nr_cpus(evsel);
int nthreads = perf_thread_map__nr(evsel->core.threads);
if (perf_evsel__alloc_stat_priv(evsel) < 0 ||
@@ -302,7 +302,7 @@ process_counter_values(struct perf_stat_config *config, struct evsel *evsel,
case AGGR_NODE:
case AGGR_NONE:
if (!evsel->snapshot)
- perf_evsel__compute_deltas(evsel, cpu, thread, count);
+ evsel__compute_deltas(evsel, cpu, thread, count);
perf_counts_values__scale(count, config->scale, NULL);
if ((config->aggr_mode == AGGR_NONE) && (!evsel->percore)) {
perf_stat__update_shadow_stats(evsel, count->val,
@@ -334,7 +334,7 @@ static int process_counter_maps(struct perf_stat_config *config,
struct evsel *counter)
{
int nthreads = perf_thread_map__nr(counter->core.threads);
- int ncpus = perf_evsel__nr_cpus(counter);
+ int ncpus = evsel__nr_cpus(counter);
int cpu, thread;
if (counter->core.system_wide)
@@ -368,8 +368,10 @@ int perf_stat_process_counter(struct perf_stat_config *config,
* interval mode, otherwise overall avg running
* averages will be shown for each interval.
*/
- if (config->interval)
- init_stats(ps->res_stats);
+ if (config->interval) {
+ for (i = 0; i < 3; i++)
+ init_stats(&ps->res_stats[i]);
+ }
if (counter->per_pkg)
zero_per_pkg(counter);
@@ -382,7 +384,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
return 0;
if (!counter->snapshot)
- perf_evsel__compute_deltas(counter, -1, -1, aggr);
+ evsel__compute_deltas(counter, -1, -1, aggr);
perf_counts_values__scale(aggr, config->scale, &counter->counts->scaled);
for (i = 0; i < 3; i++)
@@ -390,7 +392,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
if (verbose > 0) {
fprintf(config->output, "%s: %" PRIu64 " %" PRIu64 " %" PRIu64 "\n",
- perf_evsel__name(counter), count[0], count[1], count[2]);
+ evsel__name(counter), count[0], count[1], count[2]);
}
/*
@@ -507,7 +509,7 @@ int create_perf_stat_counter(struct evsel *evsel,
* either manually by us or by kernel via enable_on_exec
* set later.
*/
- if (perf_evsel__is_group_leader(evsel)) {
+ if (evsel__is_group_leader(evsel)) {
attr->disabled = 1;
/*
@@ -519,7 +521,7 @@ int create_perf_stat_counter(struct evsel *evsel,
}
if (target__has_cpu(target) && !target__has_per_thread(target))
- return perf_evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu);
+ return evsel__open_per_cpu(evsel, evsel__cpus(evsel), cpu);
- return perf_evsel__open_per_thread(evsel, evsel->core.threads);
+ return evsel__open_per_thread(evsel, evsel->core.threads);
}
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 26bc6a0096ce..381da6b39f89 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -566,6 +566,20 @@ void dso__sort_by_name(struct dso *dso)
return symbols__sort_by_name(&dso->symbol_names, &dso->symbols);
}
+/*
+ * While we find nice hex chars, build a long_val.
+ * Return number of chars processed.
+ */
+static int hex2u64(const char *ptr, u64 *long_val)
+{
+ char *p;
+
+ *long_val = strtoull(ptr, &p, 16);
+
+ return p - ptr;
+}
+
+
int modules__parse(const char *filename, void *arg,
int (*process_module)(void *arg, const char *name,
u64 start, u64 size))
@@ -1544,6 +1558,7 @@ static bool dso__is_compatible_symtab_type(struct dso *dso, bool kmod,
return true;
case DSO_BINARY_TYPE__BPF_PROG_INFO:
+ case DSO_BINARY_TYPE__BPF_IMAGE:
case DSO_BINARY_TYPE__NOT_FOUND:
default:
return false;
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index a661b122d9d8..89b390623b63 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -37,6 +37,7 @@
#include <string.h>
#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */
#include <api/fs/fs.h>
+#include <api/io.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
@@ -71,7 +72,6 @@ int perf_tool__process_synth_event(struct perf_tool *tool,
static int perf_event__get_comm_ids(pid_t pid, char *comm, size_t len,
pid_t *tgid, pid_t *ppid)
{
- char filename[PATH_MAX];
char bf[4096];
int fd;
size_t size = 0;
@@ -81,11 +81,11 @@ static int perf_event__get_comm_ids(pid_t pid, char *comm, size_t len,
*tgid = -1;
*ppid = -1;
- snprintf(filename, sizeof(filename), "/proc/%d/status", pid);
+ snprintf(bf, sizeof(bf), "/proc/%d/status", pid);
- fd = open(filename, O_RDONLY);
+ fd = open(bf, O_RDONLY);
if (fd < 0) {
- pr_debug("couldn't open %s\n", filename);
+ pr_debug("couldn't open %s\n", bf);
return -1;
}
@@ -274,6 +274,79 @@ static int perf_event__synthesize_fork(struct perf_tool *tool,
return 0;
}
+static bool read_proc_maps_line(struct io *io, __u64 *start, __u64 *end,
+ u32 *prot, u32 *flags, __u64 *offset,
+ u32 *maj, u32 *min,
+ __u64 *inode,
+ ssize_t pathname_size, char *pathname)
+{
+ __u64 temp;
+ int ch;
+ char *start_pathname = pathname;
+
+ if (io__get_hex(io, start) != '-')
+ return false;
+ if (io__get_hex(io, end) != ' ')
+ return false;
+
+ /* map protection and flags bits */
+ *prot = 0;
+ ch = io__get_char(io);
+ if (ch == 'r')
+ *prot |= PROT_READ;
+ else if (ch != '-')
+ return false;
+ ch = io__get_char(io);
+ if (ch == 'w')
+ *prot |= PROT_WRITE;
+ else if (ch != '-')
+ return false;
+ ch = io__get_char(io);
+ if (ch == 'x')
+ *prot |= PROT_EXEC;
+ else if (ch != '-')
+ return false;
+ ch = io__get_char(io);
+ if (ch == 's')
+ *flags = MAP_SHARED;
+ else if (ch == 'p')
+ *flags = MAP_PRIVATE;
+ else
+ return false;
+ if (io__get_char(io) != ' ')
+ return false;
+
+ if (io__get_hex(io, offset) != ' ')
+ return false;
+
+ if (io__get_hex(io, &temp) != ':')
+ return false;
+ *maj = temp;
+ if (io__get_hex(io, &temp) != ' ')
+ return false;
+ *min = temp;
+
+ ch = io__get_dec(io, inode);
+ if (ch != ' ') {
+ *pathname = '\0';
+ return ch == '\n';
+ }
+ do {
+ ch = io__get_char(io);
+ } while (ch == ' ');
+ while (true) {
+ if (ch < 0)
+ return false;
+ if (ch == '\0' || ch == '\n' ||
+ (pathname + 1 - start_pathname) >= pathname_size) {
+ *pathname = '\0';
+ return true;
+ }
+ *pathname++ = ch;
+ ch = io__get_char(io);
+ }
+}
+
int perf_event__synthesize_mmap_events(struct perf_tool *tool,
union perf_event *event,
pid_t pid, pid_t tgid,
@@ -281,9 +354,9 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
struct machine *machine,
bool mmap_data)
{
- char filename[PATH_MAX];
- FILE *fp;
unsigned long long t;
+ char bf[BUFSIZ];
+ struct io io;
bool truncation = false;
unsigned long long timeout = proc_map_timeout * 1000000ULL;
int rc = 0;
@@ -293,59 +366,52 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
if (machine__is_default_guest(machine))
return 0;
- snprintf(filename, sizeof(filename), "%s/proc/%d/task/%d/maps",
- machine->root_dir, pid, pid);
+ snprintf(bf, sizeof(bf), "%s/proc/%d/task/%d/maps",
+ machine->root_dir, pid, pid);
- fp = fopen(filename, "r");
- if (fp == NULL) {
+ io.fd = open(bf, O_RDONLY, 0);
+ if (io.fd < 0) {
/*
* We raced with a task exiting - just return:
*/
- pr_debug("couldn't open %s\n", filename);
+ pr_debug("couldn't open %s\n", bf);
return -1;
}
+ io__init(&io, io.fd, bf, sizeof(bf));
event->header.type = PERF_RECORD_MMAP2;
t = rdclock();
- while (1) {
- char bf[BUFSIZ];
- char prot[5];
- char execname[PATH_MAX];
- char anonstr[] = "//anon";
- unsigned int ino;
+ while (!io.eof) {
+ static const char anonstr[] = "//anon";
size_t size;
- ssize_t n;
- if (fgets(bf, sizeof(bf), fp) == NULL)
- break;
+ /* ensure null termination since stack will be reused. */
+ event->mmap2.filename[0] = '\0';
+
+ /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
+ if (!read_proc_maps_line(&io,
+ &event->mmap2.start,
+ &event->mmap2.len,
+ &event->mmap2.prot,
+ &event->mmap2.flags,
+ &event->mmap2.pgoff,
+ &event->mmap2.maj,
+ &event->mmap2.min,
+ &event->mmap2.ino,
+ sizeof(event->mmap2.filename),
+ event->mmap2.filename))
+ continue;
if ((rdclock() - t) > timeout) {
- pr_warning("Reading %s time out. "
+ pr_warning("Reading %s/proc/%d/task/%d/maps time out. "
"You may want to increase "
"the time limit by --proc-map-timeout\n",
- filename);
+ machine->root_dir, pid, pid);
truncation = true;
goto out;
}
- /* ensure null termination since stack will be reused. */
- strcpy(execname, "");
-
- /* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- n = sscanf(bf, "%"PRI_lx64"-%"PRI_lx64" %s %"PRI_lx64" %x:%x %u %[^\n]\n",
- &event->mmap2.start, &event->mmap2.len, prot,
- &event->mmap2.pgoff, &event->mmap2.maj,
- &event->mmap2.min,
- &ino, execname);
-
- /*
- * Anon maps don't have the execname.
- */
- if (n < 7)
- continue;
-
- event->mmap2.ino = (u64)ino;
event->mmap2.ino_generation = 0;
/*
@@ -356,23 +422,8 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
else
event->header.misc = PERF_RECORD_MISC_GUEST_USER;
- /* map protection and flags bits */
- event->mmap2.prot = 0;
- event->mmap2.flags = 0;
- if (prot[0] == 'r')
- event->mmap2.prot |= PROT_READ;
- if (prot[1] == 'w')
- event->mmap2.prot |= PROT_WRITE;
- if (prot[2] == 'x')
- event->mmap2.prot |= PROT_EXEC;
-
- if (prot[3] == 's')
- event->mmap2.flags |= MAP_SHARED;
- else
- event->mmap2.flags |= MAP_PRIVATE;
-
- if (prot[2] != 'x') {
- if (!mmap_data || prot[0] != 'r')
+ if ((event->mmap2.prot & PROT_EXEC) == 0) {
+ if (!mmap_data || (event->mmap2.prot & PROT_READ) == 0)
continue;
event->header.misc |= PERF_RECORD_MISC_MMAP_DATA;
@@ -382,17 +433,17 @@ out:
if (truncation)
event->header.misc |= PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT;
- if (!strcmp(execname, ""))
- strcpy(execname, anonstr);
+ if (!strcmp(event->mmap2.filename, ""))
+ strcpy(event->mmap2.filename, anonstr);
if (hugetlbfs_mnt_len &&
- !strncmp(execname, hugetlbfs_mnt, hugetlbfs_mnt_len)) {
- strcpy(execname, anonstr);
+ !strncmp(event->mmap2.filename, hugetlbfs_mnt,
+ hugetlbfs_mnt_len)) {
+ strcpy(event->mmap2.filename, anonstr);
event->mmap2.flags |= MAP_HUGETLB;
}
- size = strlen(execname) + 1;
- memcpy(event->mmap2.filename, execname, size);
+ size = strlen(event->mmap2.filename) + 1;
size = PERF_ALIGN(size, sizeof(u64));
event->mmap2.len -= event->mmap.start;
event->mmap2.header.size = (sizeof(event->mmap2) -
@@ -411,7 +462,7 @@ out:
break;
}
- fclose(fp);
+ close(io.fd);
return rc;
}
@@ -1130,7 +1181,7 @@ void cpu_map_data__synthesize(struct perf_record_cpu_map_data *data, struct perf
synthesize_mask((struct perf_record_record_cpu_map *)data->data, map, max);
default:
break;
- };
+ }
}
static struct perf_record_cpu_map *cpu_map_event__new(struct perf_cpu_map *map)
diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c
index 0885967d5bc3..1b992bbba4e8 100644
--- a/tools/perf/util/thread-stack.c
+++ b/tools/perf/util/thread-stack.c
@@ -80,6 +80,10 @@ struct thread_stack_entry {
* @comm: current comm
* @arr_sz: size of array if this is the first element of an array
* @rstate: used to detect retpolines
+ * @br_stack_rb: branch stack (ring buffer)
+ * @br_stack_sz: maximum branch stack size
+ * @br_stack_pos: current position in @br_stack_rb
+ * @mispred_all: mark all branches as mispredicted
*/
struct thread_stack {
struct thread_stack_entry *stack;
@@ -95,6 +99,10 @@ struct thread_stack {
struct comm *comm;
unsigned int arr_sz;
enum retpoline_state_t rstate;
+ struct branch_stack *br_stack_rb;
+ unsigned int br_stack_sz;
+ unsigned int br_stack_pos;
+ bool mispred_all;
};
/*
@@ -126,13 +134,26 @@ static int thread_stack__grow(struct thread_stack *ts)
}
static int thread_stack__init(struct thread_stack *ts, struct thread *thread,
- struct call_return_processor *crp)
+ struct call_return_processor *crp,
+ bool callstack, unsigned int br_stack_sz)
{
int err;
- err = thread_stack__grow(ts);
- if (err)
- return err;
+ if (callstack) {
+ err = thread_stack__grow(ts);
+ if (err)
+ return err;
+ }
+
+ if (br_stack_sz) {
+ size_t sz = sizeof(struct branch_stack);
+
+ sz += br_stack_sz * sizeof(struct branch_entry);
+ ts->br_stack_rb = zalloc(sz);
+ if (!ts->br_stack_rb)
+ return -ENOMEM;
+ ts->br_stack_sz = br_stack_sz;
+ }
if (thread->maps && thread->maps->machine) {
struct machine *machine = thread->maps->machine;
@@ -150,7 +171,9 @@ static int thread_stack__init(struct thread_stack *ts, struct thread *thread,
}
static struct thread_stack *thread_stack__new(struct thread *thread, int cpu,
- struct call_return_processor *crp)
+ struct call_return_processor *crp,
+ bool callstack,
+ unsigned int br_stack_sz)
{
struct thread_stack *ts = thread->ts, *new_ts;
unsigned int old_sz = ts ? ts->arr_sz : 0;
@@ -176,7 +199,7 @@ static struct thread_stack *thread_stack__new(struct thread *thread, int cpu,
ts += cpu;
if (!ts->stack &&
- thread_stack__init(ts, thread, crp))
+ thread_stack__init(ts, thread, crp, callstack, br_stack_sz))
return NULL;
return ts;
@@ -319,6 +342,9 @@ static int __thread_stack__flush(struct thread *thread, struct thread_stack *ts)
if (!crp) {
ts->cnt = 0;
+ ts->br_stack_pos = 0;
+ if (ts->br_stack_rb)
+ ts->br_stack_rb->nr = 0;
return 0;
}
@@ -353,8 +379,33 @@ int thread_stack__flush(struct thread *thread)
return err;
}
+static void thread_stack__update_br_stack(struct thread_stack *ts, u32 flags,
+ u64 from_ip, u64 to_ip)
+{
+ struct branch_stack *bs = ts->br_stack_rb;
+ struct branch_entry *be;
+
+ if (!ts->br_stack_pos)
+ ts->br_stack_pos = ts->br_stack_sz;
+
+ ts->br_stack_pos -= 1;
+
+ be = &bs->entries[ts->br_stack_pos];
+ be->from = from_ip;
+ be->to = to_ip;
+ be->flags.value = 0;
+ be->flags.abort = !!(flags & PERF_IP_FLAG_TX_ABORT);
+ be->flags.in_tx = !!(flags & PERF_IP_FLAG_IN_TX);
+ /* No support for mispredict */
+ be->flags.mispred = ts->mispred_all;
+
+ if (bs->nr < ts->br_stack_sz)
+ bs->nr += 1;
+}
+
int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
- u64 to_ip, u16 insn_len, u64 trace_nr)
+ u64 to_ip, u16 insn_len, u64 trace_nr, bool callstack,
+ unsigned int br_stack_sz, bool mispred_all)
{
struct thread_stack *ts = thread__stack(thread, cpu);
@@ -362,12 +413,13 @@ int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
return -EINVAL;
if (!ts) {
- ts = thread_stack__new(thread, cpu, NULL);
+ ts = thread_stack__new(thread, cpu, NULL, callstack, br_stack_sz);
if (!ts) {
pr_warning("Out of memory: no thread stack\n");
return -ENOMEM;
}
ts->trace_nr = trace_nr;
+ ts->mispred_all = mispred_all;
}
/*
@@ -381,8 +433,14 @@ int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
ts->trace_nr = trace_nr;
}
- /* Stop here if thread_stack__process() is in use */
- if (ts->crp)
+ if (br_stack_sz)
+ thread_stack__update_br_stack(ts, flags, from_ip, to_ip);
+
+ /*
+ * Stop here if thread_stack__process() is in use, or not recording call
+ * stack.
+ */
+ if (ts->crp || !callstack)
return 0;
if (flags & PERF_IP_FLAG_CALL) {
@@ -430,6 +488,7 @@ static void __thread_stack__free(struct thread *thread, struct thread_stack *ts)
{
__thread_stack__flush(thread, ts);
zfree(&ts->stack);
+ zfree(&ts->br_stack_rb);
}
static void thread_stack__reset(struct thread *thread, struct thread_stack *ts)
@@ -497,6 +556,199 @@ void thread_stack__sample(struct thread *thread, int cpu,
chain->nr = i;
}
+/*
+ * Hardware sample records, created some time after the event occurred, need to
+ * have subsequent addresses removed from the call chain.
+ */
+void thread_stack__sample_late(struct thread *thread, int cpu,
+ struct ip_callchain *chain, size_t sz,
+ u64 sample_ip, u64 kernel_start)
+{
+ struct thread_stack *ts = thread__stack(thread, cpu);
+ u64 sample_context = callchain_context(sample_ip, kernel_start);
+ u64 last_context, context, ip;
+ size_t nr = 0, j;
+
+ if (sz < 2) {
+ chain->nr = 0;
+ return;
+ }
+
+ if (!ts)
+ goto out;
+
+ /*
+ * When tracing kernel space, kernel addresses occur at the top of the
+ * call chain after the event occurred but before tracing stopped.
+ * Skip them.
+ */
+ for (j = 1; j <= ts->cnt; j++) {
+ ip = ts->stack[ts->cnt - j].ret_addr;
+ context = callchain_context(ip, kernel_start);
+ if (context == PERF_CONTEXT_USER ||
+ (context == sample_context && ip == sample_ip))
+ break;
+ }
+
+ last_context = sample_ip; /* Use sample_ip as an invalid context */
+
+ for (; nr < sz && j <= ts->cnt; nr++, j++) {
+ ip = ts->stack[ts->cnt - j].ret_addr;
+ context = callchain_context(ip, kernel_start);
+ if (context != last_context) {
+ if (nr >= sz - 1)
+ break;
+ chain->ips[nr++] = context;
+ last_context = context;
+ }
+ chain->ips[nr] = ip;
+ }
+out:
+ if (nr) {
+ chain->nr = nr;
+ } else {
+ chain->ips[0] = sample_context;
+ chain->ips[1] = sample_ip;
+ chain->nr = 2;
+ }
+}
+
+void thread_stack__br_sample(struct thread *thread, int cpu,
+ struct branch_stack *dst, unsigned int sz)
+{
+ struct thread_stack *ts = thread__stack(thread, cpu);
+ const size_t bsz = sizeof(struct branch_entry);
+ struct branch_stack *src;
+ struct branch_entry *be;
+ unsigned int nr;
+
+ dst->nr = 0;
+
+ if (!ts)
+ return;
+
+ src = ts->br_stack_rb;
+ if (!src->nr)
+ return;
+
+ dst->nr = min((unsigned int)src->nr, sz);
+
+ be = &dst->entries[0];
+ nr = min(ts->br_stack_sz - ts->br_stack_pos, (unsigned int)dst->nr);
+ memcpy(be, &src->entries[ts->br_stack_pos], bsz * nr);
+
+ if (src->nr >= ts->br_stack_sz) {
+ sz -= nr;
+ be = &dst->entries[nr];
+ nr = min(ts->br_stack_pos, sz);
+ memcpy(be, &src->entries[0], bsz * ts->br_stack_pos);
+ }
+}
+
+/* Start of user space branch entries */
+static bool us_start(struct branch_entry *be, u64 kernel_start, bool *start)
+{
+ if (!*start)
+ *start = be->to && be->to < kernel_start;
+
+ return *start;
+}
+
+/*
+ * Start of branch entries after the ip fell in between 2 branches, or user
+ * space branch entries.
+ */
+static bool ks_start(struct branch_entry *be, u64 sample_ip, u64 kernel_start,
+ bool *start, struct branch_entry *nb)
+{
+ if (!*start) {
+ *start = (nb && sample_ip >= be->to && sample_ip <= nb->from) ||
+ be->from < kernel_start ||
+ (be->to && be->to < kernel_start);
+ }
+
+ return *start;
+}
+
+/*
+ * Hardware sample records, created some time after the event occurred, need to
+ * have subsequent addresses removed from the branch stack.
+ */
+void thread_stack__br_sample_late(struct thread *thread, int cpu,
+ struct branch_stack *dst, unsigned int sz,
+ u64 ip, u64 kernel_start)
+{
+ struct thread_stack *ts = thread__stack(thread, cpu);
+ struct branch_entry *d, *s, *spos, *ssz;
+ struct branch_stack *src;
+ unsigned int nr = 0;
+ bool start = false;
+
+ dst->nr = 0;
+
+ if (!ts)
+ return;
+
+ src = ts->br_stack_rb;
+ if (!src->nr)
+ return;
+
+ spos = &src->entries[ts->br_stack_pos];
+ ssz = &src->entries[ts->br_stack_sz];
+
+ d = &dst->entries[0];
+ s = spos;
+
+ if (ip < kernel_start) {
+ /*
+ * User space sample: start copying branch entries when the
+ * branch is in user space.
+ */
+ for (s = spos; s < ssz && nr < sz; s++) {
+ if (us_start(s, kernel_start, &start)) {
+ *d++ = *s;
+ nr += 1;
+ }
+ }
+
+ if (src->nr >= ts->br_stack_sz) {
+ for (s = &src->entries[0]; s < spos && nr < sz; s++) {
+ if (us_start(s, kernel_start, &start)) {
+ *d++ = *s;
+ nr += 1;
+ }
+ }
+ }
+ } else {
+ struct branch_entry *nb = NULL;
+
+ /*
+ * Kernel space sample: start copying branch entries when the ip
+ * falls in between 2 branches (or the branch is in user space
+ * because then the start must have been missed).
+ */
+ for (s = spos; s < ssz && nr < sz; s++) {
+ if (ks_start(s, ip, kernel_start, &start, nb)) {
+ *d++ = *s;
+ nr += 1;
+ }
+ nb = s;
+ }
+
+ if (src->nr >= ts->br_stack_sz) {
+ for (s = &src->entries[0]; s < spos && nr < sz; s++) {
+ if (ks_start(s, ip, kernel_start, &start, nb)) {
+ *d++ = *s;
+ nr += 1;
+ }
+ nb = s;
+ }
+ }
+ }
+
+ dst->nr = nr;
+}
+
struct call_return_processor *
call_return_processor__new(int (*process)(struct call_return *cr, u64 *parent_db_id, void *data),
void *data)
@@ -864,7 +1116,7 @@ int thread_stack__process(struct thread *thread, struct comm *comm,
}
if (!ts) {
- ts = thread_stack__new(thread, sample->cpu, crp);
+ ts = thread_stack__new(thread, sample->cpu, crp, true, 0);
if (!ts)
return -ENOMEM;
ts->comm = comm;
diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h
index e1ec5a58f1b2..3bc47a42af8e 100644
--- a/tools/perf/util/thread-stack.h
+++ b/tools/perf/util/thread-stack.h
@@ -81,10 +81,19 @@ struct call_return_processor {
};
int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
- u64 to_ip, u16 insn_len, u64 trace_nr);
+ u64 to_ip, u16 insn_len, u64 trace_nr, bool callstack,
+ unsigned int br_stack_sz, bool mispred_all);
void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr);
void thread_stack__sample(struct thread *thread, int cpu, struct ip_callchain *chain,
size_t sz, u64 ip, u64 kernel_start);
+void thread_stack__sample_late(struct thread *thread, int cpu,
+ struct ip_callchain *chain, size_t sz, u64 ip,
+ u64 kernel_start);
+void thread_stack__br_sample(struct thread *thread, int cpu,
+ struct branch_stack *dst, unsigned int sz);
+void thread_stack__br_sample_late(struct thread *thread, int cpu,
+ struct branch_stack *dst, unsigned int sz,
+ u64 sample_ip, u64 kernel_start);
int thread_stack__flush(struct thread *thread);
void thread_stack__free(struct thread *thread);
size_t thread_stack__depth(struct thread *thread, int cpu);
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 28b719388028..665e5c0618ed 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -47,6 +47,7 @@ struct thread *thread__new(pid_t pid, pid_t tid)
thread->tid = tid;
thread->ppid = -1;
thread->cpu = -1;
+ thread->lbr_stitch_enable = false;
INIT_LIST_HEAD(&thread->namespaces_list);
INIT_LIST_HEAD(&thread->comm_list);
init_rwsem(&thread->namespaces_lock);
@@ -110,6 +111,7 @@ void thread__delete(struct thread *thread)
exit_rwsem(&thread->namespaces_lock);
exit_rwsem(&thread->comm_lock);
+ thread__free_stitch_list(thread);
free(thread);
}
@@ -452,3 +454,25 @@ int thread__memcpy(struct thread *thread, struct machine *machine,
return dso__data_read_offset(al.map->dso, machine, offset, buf, len);
}
+
+void thread__free_stitch_list(struct thread *thread)
+{
+ struct lbr_stitch *lbr_stitch = thread->lbr_stitch;
+ struct stitch_list *pos, *tmp;
+
+ if (!lbr_stitch)
+ return;
+
+ list_for_each_entry_safe(pos, tmp, &lbr_stitch->lists, node) {
+ list_del_init(&pos->node);
+ free(pos);
+ }
+
+ list_for_each_entry_safe(pos, tmp, &lbr_stitch->free_lists, node) {
+ list_del_init(&pos->node);
+ free(pos);
+ }
+
+ zfree(&lbr_stitch->prev_lbr_cursor);
+ zfree(&thread->lbr_stitch);
+}
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 20b96b5d1f15..b066fb30d203 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -13,6 +13,8 @@
#include <strlist.h>
#include <intlist.h>
#include "rwsem.h"
+#include "event.h"
+#include "callchain.h"
struct addr_location;
struct map;
@@ -20,6 +22,13 @@ struct perf_record_namespaces;
struct thread_stack;
struct unwind_libunwind_ops;
+struct lbr_stitch {
+ struct list_head lists;
+ struct list_head free_lists;
+ struct perf_sample prev_sample;
+ struct callchain_cursor_node *prev_lbr_cursor;
+};
+
struct thread {
union {
struct rb_node rb_node;
@@ -46,6 +55,10 @@ struct thread {
struct srccode_state srccode_state;
bool filter;
int filter_entry_depth;
+
+ /* LBR call stack stitch */
+ bool lbr_stitch_enable;
+ struct lbr_stitch *lbr_stitch;
};
struct machine;
@@ -142,4 +155,6 @@ static inline bool thread__is_filtered(struct thread *thread)
return false;
}
+void thread__free_stitch_list(struct thread *thread);
+
#endif /* __PERF_THREAD_H */
diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c
index 3dce2de9d005..27945eeb0cb5 100644
--- a/tools/perf/util/top.c
+++ b/tools/perf/util/top.c
@@ -77,7 +77,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size)
opts->freq ? "Hz" : "");
}
- ret += SNPRINTF(bf + ret, size - ret, "%s", perf_evsel__name(top->sym_evsel));
+ ret += SNPRINTF(bf + ret, size - ret, "%s", evsel__name(top->sym_evsel));
ret += SNPRINTF(bf + ret, size - ret, "], ");
diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h
index f117d4f4821e..ff8391208ecd 100644
--- a/tools/perf/util/top.h
+++ b/tools/perf/util/top.h
@@ -18,7 +18,7 @@ struct perf_session;
struct perf_top {
struct perf_tool tool;
- struct evlist *evlist;
+ struct evlist *evlist, *sb_evlist;
struct record_opts record_opts;
struct annotation_options annotation_opts;
struct evswitch evswitch;
@@ -36,6 +36,7 @@ struct perf_top {
bool use_tui, use_stdio;
bool vmlinux_warned;
bool dump_symtab;
+ bool stitch_lbr;
struct hist_entry *sym_filter_entry;
struct evsel *sym_evsel;
struct perf_session *session;
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index 8593d3c200c6..f507dff713c9 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -75,7 +75,7 @@ static void skip(int size)
r = size > BUFSIZ ? BUFSIZ : size;
do_read(buf, r);
size -= r;
- };
+ }
}
static unsigned int read4(struct tep_handle *pevent)
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d707c9624dd9..37a9492edb3e 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -290,6 +290,7 @@ int perf_event_paranoid(void)
bool perf_event_paranoid_check(int max_level)
{
return perf_cap__capable(CAP_SYS_ADMIN) ||
+ perf_cap__capable(CAP_PERFMON) ||
perf_event_paranoid() <= max_level;
}
diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c
index d3755ea70d4d..0ba61a2c4d81 100644
--- a/tools/power/cpupower/utils/cpupower-info.c
+++ b/tools/power/cpupower/utils/cpupower-info.c
@@ -62,7 +62,7 @@ int cmd_info(int argc, char **argv)
default:
print_wrong_arg_exit();
}
- };
+ }
if (!params.params)
params.params = 0x7;
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index 3cca6f715dd9..052044d7e012 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -72,7 +72,7 @@ int cmd_set(int argc, char **argv)
default:
print_wrong_arg_exit();
}
- };
+ }
if (!params.params)
print_wrong_arg_exit();
diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
index 20f46348271b..5edd35bd9ee9 100644
--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
@@ -117,7 +117,7 @@ static int amd_fam14h_get_pci_info(struct cstate *state,
break;
default:
return -1;
- };
+ }
return 0;
}
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index a65f7d011513..8b42c2f0a5b0 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -53,7 +53,7 @@ static int cpuidle_start(void)
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
- };
+ }
return 0;
}
@@ -72,7 +72,7 @@ static int cpuidle_stop(void)
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
- };
+ }
return 0;
}
@@ -172,7 +172,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
cpuidle_cstates[num].id = num;
cpuidle_cstates[num].get_count_percent =
cpuidle_get_count_percent;
- };
+ }
/* Free this at program termination */
previous_count = malloc(sizeof(long long *) * cpu_count);
diff --git a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
index 97ad3233a521..55e55b6b42f9 100644
--- a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
@@ -79,7 +79,7 @@ static int hsw_ext_get_count(enum intel_hsw_ext_id id, unsigned long long *val,
break;
default:
return -1;
- };
+ }
if (read_msr(cpu, msr, val))
return -1;
return 0;
diff --git a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
index 114271165182..16eaf006f61f 100644
--- a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
@@ -91,7 +91,7 @@ static int nhm_get_count(enum intel_nhm_id id, unsigned long long *val,
break;
default:
return -1;
- };
+ }
if (read_msr(cpu, msr, val))
return -1;
diff --git a/tools/power/cpupower/utils/idle_monitor/snb_idle.c b/tools/power/cpupower/utils/idle_monitor/snb_idle.c
index df8b223cc096..811d63ab17a7 100644
--- a/tools/power/cpupower/utils/idle_monitor/snb_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/snb_idle.c
@@ -77,7 +77,7 @@ static int snb_get_count(enum intel_snb_id id, unsigned long long *val,
break;
default:
return -1;
- };
+ }
if (read_msr(cpu, msr, val))
return -1;
return 0;
diff --git a/tools/power/pm-graph/Makefile b/tools/power/pm-graph/Makefile
index 845541544570..b5310832c19c 100644
--- a/tools/power/pm-graph/Makefile
+++ b/tools/power/pm-graph/Makefile
@@ -41,6 +41,10 @@ uninstall :
if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/config ] ; then \
rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/config; \
fi;
+ rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__/*
+ if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__ ] ; then \
+ rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph/__pycache__; \
+ fi;
rm -f $(DESTDIR)$(PREFIX)/lib/pm-graph/*
if [ -d $(DESTDIR)$(PREFIX)/lib/pm-graph ] ; then \
rmdir $(DESTDIR)$(PREFIX)/lib/pm-graph; \
diff --git a/tools/power/pm-graph/README b/tools/power/pm-graph/README
index 96259f6e5715..afe6beb40ad9 100644
--- a/tools/power/pm-graph/README
+++ b/tools/power/pm-graph/README
@@ -1,7 +1,12 @@
- p m - g r a p h
+ _
+ _ __ _ __ ___ __ _ _ __ __ _ _ __ | |__
+ | '_ \| '_ ` _ \ _____ / _` | '__/ _` | '_ \| '_ \
+ | |_) | | | | | |_____| (_| | | | (_| | |_) | | | |
+ | .__/|_| |_| |_| \__, |_| \__,_| .__/|_| |_|
+ |_| |___/ |_|
pm-graph: suspend/resume/boot timing analysis tools
- Version: 5.5
+ Version: 5.6
Author: Todd Brandt <todd.e.brandt@intel.com>
Home Page: https://01.org/pm-graph
@@ -18,10 +23,6 @@
- upstream version in git:
https://github.com/intel/pm-graph/
- Requirements:
- - runs with python2 or python3, choice is made by /usr/bin/python link
- - python2 now requires python-configparser be installed
-
Table of Contents
- Overview
- Setup
@@ -29,6 +30,8 @@
- Basic Usage
- Dev Mode Usage
- Proc Mode Usage
+ - Endurance Testing
+ - Usage Examples
- Configuration Files
- Usage Examples
- Config File Options
@@ -54,15 +57,18 @@
| SETUP |
------------------------------------------------------------------
- These packages are required to execute the scripts
+ Package Requirements
+ - runs with python2 or python3, choice is made by /usr/bin/python link
- python
- - python-requests
+ - python-configparser (for python2 sleepgraph)
+ - python-requests (for googlesheet.py)
+ - linux-tools-common (for turbostat usage in sleepgraph)
Ubuntu:
- sudo apt-get install python python-requests
+ sudo apt-get install python python-configparser python-requests linux-tools-common
Fedora:
- sudo dnf install python python-requests
+ sudo dnf install python python-configparser python-requests linux-tools-common
The tools can most easily be installed via git clone and make install
@@ -190,6 +196,104 @@ _______________
%> sudo ./sleepgraph.py -config config/suspend-proc.cfg
+------------------------------------------------------------------
+| ENDURANCE TESTING |
+------------------------------------------------------------------
+
+ The best way to gauge the health of a system is to run a series of
+ suspend/resumes over an extended period and analyze the behavior. This can be
+ accomplished with sleepgraph's -multi argument. You specify two numbers: the
+ number of tests to run OR the duration in days, hours, or minutes, and the
+ delay in seconds between them. For instance, -multi 20 5: execute 20 tests with
+ a 5 second delay between each, or -multi 24h 0: execute tests over a 24 hour
+ period with no delay between tests. You can include any other options you like
+ to generate the data you want. It's most useful to collect dev mode timelines
+ as the kprobes don't alter the performance much and you get more insight.
+
+ On completion, the output folder contains a series of folders for the
+ individual test data and a set of summary pages in the root. The summary.html
+ file is a tabular list of the tests with relevant info and links. The
+ summary-issue.html and summary-devices.html files include data taken from
+ all tests on kernel issues and device performance. The folder looks like this:
+
+ suspend-xN-{date}-{time}:
+ summary.html
+ summary-issues.html
+ summary-devices.html
+ suspend-{date}-{time} (1)
+ suspend-{date}-{time} (2)
+ ...
+
+ These are the relevant arguments to use for testing:
+
+ -m mode
+ Mode to initiate for suspend e.g. mem, freeze, standby (default: mem).
+
+ -rtcwake t
+ Use rtcwake to autoresume after t seconds (default: 15).
+
+ -gzip (optional)
+ Gzip the trace and dmesg logs to save space. The tool can also read in
+ gzipped logs for processing. This reduces the multitest folder size.
+
+ -dev (optional)
+ Add kernel source calls and threads to the timeline (default: disabled).
+
+ -multi n d
+ Execute n consecutive tests at d seconds intervals. The outputs will be
+ created in a new subdirectory: suspend-xN-{date}-{time}. When the multitest
+ run is done, the -summary command is called automatically to create summary
+ html files for all the data (unless you use -skiphtml). -skiphtml will
+ speed up the testing by not creating timelines or summary html files. You
+ can then run the tool again at a later time with -summary and -genhtml to
+ create the timelines.
+
+ -skiphtml (optional)
+ Run the test and capture the trace logs, but skip the timeline and summary
+ html generation. This can greatly speed up overall testing. You can then
+ copy the data to a faster host machine and run -summary -genhtml to
+ generate the timelines and summary.
+
+ These are the relevant commands to use after testing is complete:
+
+ -summary indir
+ Generate or regenerate the summary for a -multi test run. Creates three
+ files: summary.html, summary-issues.html, and summary-devices.html in the
+ current folder. summary.html is a table of tests with relevant info sorted
+ by kernel/host/mode, and links to the test html files. summary-issues.html
+ is a list of kernel issues found in dmesg from all the tests.
+ summary-devices.html is a list of devices and times from all the tests.
+
+ -genhtml
+ Used with -summary to regenerate any missing html timelines from their
+ dmesg and ftrace logs. This will require a significant amount of time if
+ there are thousands of tests.
+
+Usage Examples
+_______________
+
+ A multitest is initiated like this:
+
+ %> sudo ./sleepgraph.py -m mem -rtcwake 10 -dev -gzip -multi 2000 0
+
+ or you can skip timeline generation in order to speed things up
+
+ %> sudo ./sleepgraph.py -m mem -rtcwake 10 -dev -gzip -multi 2000 0 -skiphtml
+
+ The tool will produce an output folder with all the test subfolders inside.
+ Each test subfolder contains the dmesg/ftrace logs and/or the html timeline
+ depending on whether you used the -skiphtml option. The root folder contains
+ the summary.html files.
+
+ The summary for an existing multitest is generated like this:
+
+ %> cd suspend-x2000-{date}-{time}
+ %> sleepgraph.py -summary .
+
+ or if you need to generate the html timelines you can use -genhtml
+
+ %> cd suspend-xN-{date}-{time}
+ %> sleepgraph.py -summary . -genhtml
------------------------------------------------------------------
| CONFIGURATION FILES |
diff --git a/tools/power/pm-graph/bootgraph.py b/tools/power/pm-graph/bootgraph.py
index d3b99a1e92d6..2823cd3122f7 100755
--- a/tools/power/pm-graph/bootgraph.py
+++ b/tools/power/pm-graph/bootgraph.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-only
#
# Tool for analyzing boot timing
diff --git a/tools/power/pm-graph/config/custom-timeline-functions.cfg b/tools/power/pm-graph/config/custom-timeline-functions.cfg
index 4f80ad7d7275..962e5768681c 100644
--- a/tools/power/pm-graph/config/custom-timeline-functions.cfg
+++ b/tools/power/pm-graph/config/custom-timeline-functions.cfg
@@ -125,7 +125,7 @@ acpi_suspend_begin:
suspend_console:
acpi_pm_prepare:
syscore_suspend:
-arch_enable_nonboot_cpus_end:
+arch_thaw_secondary_cpus_end:
syscore_resume:
acpi_pm_finish:
resume_console:
diff --git a/tools/power/pm-graph/sleepgraph.8 b/tools/power/pm-graph/sleepgraph.8
index 43aee64316df..5126271de98a 100644
--- a/tools/power/pm-graph/sleepgraph.8
+++ b/tools/power/pm-graph/sleepgraph.8
@@ -74,8 +74,10 @@ after the test is complete.
Switch the display to the requested mode for the test using the xset command.
This helps maintain the consistency of test data for better comparison.
.TP
-\fB-skiphtml\fR
-Run the test and capture the trace logs, but skip the timeline generation.
+\fB-wifi\fR
+If a wifi connection is available, check that it reconnects after resume. Include
+the reconnect time in the total resume time calculation and treat wifi timeouts
+as resume failures.
.SS "advanced"
.TP
@@ -117,8 +119,24 @@ Include \fIt\fR ms delay before 1st suspend (default: 0 ms).
Include \fIt\fR ms delay after last resume (default: 0 ms).
.TP
\fB-multi \fIn d\fR
-Execute \fIn\fR consecutive tests at \fId\fR seconds intervals. The outputs will
-be created in a new subdirectory with a summary page: suspend-xN-{date}-{time}.
+Used for endurance testing. If \fIn\fR is entirely numeric, it's treated as a count:
+Execute \fIn\fR consecutive tests at \fId\fR second intervals.
+If \fIn\fR is an integer followed by a "d", "h", or "m", it's treated as a duration:
+Execute tests continuously over \fIn\fR days, hours, or minutes at \fId\fR second intervals.
+The outputs will be created in a new subdirectory, for count: suspend-{date}-{time}-xN,
+for duration: suspend-{date}-{time}-Nm. When the multitest run is done, the \fI-summary\fR
+command is called automatically to create summary html files for all the data (unless you
+use \fI-skiphtml\fR). \fI-skiphtml\fR will speed up the testing by not creating timelines
+or summary html files. You can then run the tool again at a later time with \fI-summary\fR
+and \fI-genhtml\fR to create the timelines.
+.TP
+\fB-maxfail \fIn\fR
+Abort a -multi run after \fIn\fR consecutive fails. 0 means never abort (default = 0).
+.TP
+\fB-skiphtml\fR
+Run the test and capture the trace logs, but skip the timeline generation.
+You can generate the html timelines later with \fI-dmesg\fR & \fI-ftrace\fR, or
+by running \fI-summary\fR and \fI-genhtml\fR.
.SS "ftrace debug"
.TP
@@ -173,11 +191,20 @@ Set trace buffer size to N kilo-bytes (default: all of free memory up to 3GB)
.SH COMMANDS
.TP
\fB-summary \fIindir\fR
-Create a summary page of all tests in \fIindir\fR. Creates summary.html
-in the current folder. The output page is a table of tests with
-suspend and resume values sorted by suspend mode, host, and kernel.
-Includes test averages by mode and links to the test html files.
-Use -genhtml to include tests with missing html.
+Create a set of summary pages for all tests in \fIindir\fR recursively.
+Creates summary.html, summary-issues.html, and summary-devices.html in the current folder.
+summary.html is a table of tests with relevant info sorted by kernel/host/mode,
+and links to the test html files. It identifies the minimum, maximum, and median
+suspend and resume times for you with highlights and links in the header.
+summary-issues.html is a list of kernel issues found in dmesg from all the tests.
+summary-devices.html is a list of devices and times from all the tests.
+
+Use \fI-genhtml\fR to regenerate any tests with missing html.
+.TP
+\fB-genhtml\fR
+Used with \fI-summary\fR to regenerate any missing html timelines from their
+dmesg and ftrace logs. This will require a significant amount of time if there
+are thousands of tests.
.TP
\fB-modes\fR
List available suspend modes.
@@ -189,10 +216,7 @@ with any options you intend to use to see if they will work.
\fB-fpdt\fR
Print out the contents of the ACPI Firmware Performance Data Table.
.TP
-\fB-battery\fR
-Print out battery status and current charge.
-.TP
-\fB-wifi\fR
+\fB-wificheck\fR
Print out wifi status and connection details.
.TP
\fB-xon/-xoff/-xstandby/-xsuspend\fR
@@ -208,6 +232,9 @@ Print out system info extracted from BIOS. Reads /dev/mem directly instead of go
\fB-devinfo\fR
Print out the pm settings of all devices which support runtime suspend.
.TP
+\fB-cmdinfo\fR
+Print out all the platform data collected from the system that makes it into the logs.
+.TP
\fB-flist\fR
Print the list of ftrace functions currently being captured. Functions
that are not available as symbols in the current kernel are shown in red.
@@ -272,14 +299,20 @@ Run two suspends back to back, include a 500ms delay before, after, and in betwe
.IP
\f(CW$ sudo sleepgraph -m mem -rtcwake 15 -x2 -predelay 500 -x2delay 500 -postdelay 500\fR
.PP
+Execute a suspend using a custom command.
+.IP
+\f(CW$ sudo sleepgraph -cmd "echo mem > /sys/power/state" -rtcwake 15\fR
+.PP
+
+.SS "endurance testing using -multi"
+.PP
Do a batch run of 10 freezes with 30 seconds delay between runs.
.IP
\f(CW$ sudo sleepgraph -m freeze -rtcwake 15 -multi 10 30\fR
.PP
-Execute a suspend using a custom command.
+Do a batch run of freezes for 24 hours.
.IP
-\f(CW$ sudo sleepgraph -cmd "echo mem > /sys/power/state" -rtcwake 15\fR
-.PP
+\f(CW$ sudo sleepgraph -m freeze -rtcwake 15 -multi 24h 0\fR
.SS "adding callgraph data"
Add device callgraphs. Limit the trace depth and only show callgraphs 10ms or larger.
diff --git a/tools/power/pm-graph/sleepgraph.py b/tools/power/pm-graph/sleepgraph.py
index f7d1c1f62f86..602e64b68ba7 100755
--- a/tools/power/pm-graph/sleepgraph.py
+++ b/tools/power/pm-graph/sleepgraph.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0-only
#
# Tool for analyzing suspend/resume timing
@@ -58,7 +58,7 @@ import re
import platform
import signal
import codecs
-from datetime import datetime
+from datetime import datetime, timedelta
import struct
import configparser
import gzip
@@ -81,12 +81,13 @@ def ascii(text):
# store system values and test parameters
class SystemValues:
title = 'SleepGraph'
- version = '5.5'
+ version = '5.6'
ansi = False
rs = 0
display = ''
gzip = False
sync = False
+ wifi = False
verbose = False
testlog = True
dmesglog = True
@@ -97,7 +98,8 @@ class SystemValues:
cgphase = ''
cgtest = -1
cgskip = ''
- multitest = {'run': False, 'count': 0, 'delay': 0}
+ maxfail = 0
+ multitest = {'run': False, 'count': 1000000, 'delay': 0}
max_graph_depth = 0
callloopmaxgap = 0.0001
callloopmaxlen = 0.005
@@ -148,7 +150,7 @@ class SystemValues:
x2delay = 0
skiphtml = False
usecallgraph = False
- ftopfunc = 'suspend_devices_and_enter'
+ ftopfunc = 'pm_suspend'
ftop = False
usetraceevents = False
usetracemarkers = True
@@ -164,6 +166,8 @@ class SystemValues:
predelay = 0
postdelay = 0
pmdebug = ''
+ tmstart = 'SUSPEND START %Y%m%d-%H:%M:%S.%f'
+ tmend = 'RESUME COMPLETE %Y%m%d-%H:%M:%S.%f'
tracefuncs = {
'sys_sync': {},
'ksys_sync': {},
@@ -183,16 +187,18 @@ class SystemValues:
'acpi_s2idle_sync': {},
'acpi_s2idle_begin': {},
'acpi_s2idle_prepare': {},
+ 'acpi_s2idle_prepare_late': {},
'acpi_s2idle_wake': {},
'acpi_s2idle_wakeup': {},
'acpi_s2idle_restore': {},
+ 'acpi_s2idle_restore_early': {},
'hibernate_preallocate_memory': {},
'create_basic_memory_bitmaps': {},
'swsusp_write': {},
'suspend_console': {},
'acpi_pm_prepare': {},
'syscore_suspend': {},
- 'arch_enable_nonboot_cpus_end': {},
+ 'arch_thaw_secondary_cpus_end': {},
'syscore_resume': {},
'acpi_pm_finish': {},
'resume_console': {},
@@ -270,12 +276,23 @@ class SystemValues:
'intel_opregion_init': {},
'intel_fbdev_set_suspend': {},
}
+ infocmds = [
+ [0, 'kparams', 'cat', '/proc/cmdline'],
+ [0, 'mcelog', 'mcelog'],
+ [0, 'pcidevices', 'lspci', '-tv'],
+ [0, 'usbdevices', 'lsusb', '-t'],
+ [1, 'interrupts', 'cat', '/proc/interrupts'],
+ [1, 'wakeups', 'cat', '/sys/kernel/debug/wakeup_sources'],
+ [2, 'gpecounts', 'sh', '-c', 'grep -v invalid /sys/firmware/acpi/interrupts/*'],
+ [2, 'suspendstats', 'sh', '-c', 'grep -v invalid /sys/power/suspend_stats/*'],
+ [2, 'cpuidle', 'sh', '-c', 'grep -v invalid /sys/devices/system/cpu/cpu*/cpuidle/state*/s2idle/*'],
+ [2, 'battery', 'sh', '-c', 'grep -v invalid /sys/class/power_supply/*/*'],
+ ]
cgblacklist = []
kprobes = dict()
timeformat = '%.3f'
cmdline = '%s %s' % \
(os.path.basename(sys.argv[0]), ' '.join(sys.argv[1:]))
- kparams = ''
sudouser = ''
def __init__(self):
self.archargs = 'args_'+platform.machine()
@@ -295,6 +312,9 @@ class SystemValues:
if os.getuid() == 0 and 'SUDO_USER' in os.environ and \
os.environ['SUDO_USER']:
self.sudouser = os.environ['SUDO_USER']
+ def resetlog(self):
+ self.logmsg = ''
+ self.platinfo = []
def vprint(self, msg):
self.logmsg += msg+'\n'
if self.verbose or msg.startswith('WARNING:'):
@@ -304,11 +324,11 @@ class SystemValues:
return
signame = self.signames[signum] if signum in self.signames else 'UNKNOWN'
msg = 'Signal %s caused a tool exit, line %d' % (signame, frame.f_lineno)
- sysvals.outputResult({'error':msg})
+ self.outputResult({'error':msg})
sys.exit(3)
def signalHandlerInit(self):
capture = ['BUS', 'SYS', 'XCPU', 'XFSZ', 'PWR', 'HUP', 'INT', 'QUIT',
- 'ILL', 'ABRT', 'FPE', 'SEGV', 'TERM', 'TSTP']
+ 'ILL', 'ABRT', 'FPE', 'SEGV', 'TERM']
self.signames = dict()
for i in capture:
s = 'SIG'+i
@@ -336,6 +356,8 @@ class SystemValues:
self.outputResult({'error':msg})
sys.exit(1)
return False
+ def usable(self, file):
+ return (os.path.exists(file) and os.path.getsize(file) > 0)
def getExec(self, cmd):
try:
fp = Popen(['which', cmd], stdout=PIPE, stderr=PIPE).stdout
@@ -389,12 +411,6 @@ class SystemValues:
r = info['bios-release-date'] if 'bios-release-date' in info else ''
self.sysstamp = '# sysinfo | man:%s | plat:%s | cpu:%s | bios:%s | biosdate:%s | numcpu:%d | memsz:%d | memfr:%d' % \
(m, p, c, b, r, self.cpucount, self.memtotal, self.memfree)
- try:
- kcmd = open('/proc/cmdline', 'r').read().strip()
- except:
- kcmd = ''
- if kcmd:
- self.sysstamp += '\n# kparams | %s' % kcmd
def printSystemInfo(self, fatal=False):
self.rootCheck(True)
out = dmidecode(self.mempath, fatal)
@@ -441,6 +457,7 @@ class SystemValues:
self.testdir+'/'+self.prefix+'_'+self.suspendmode+'.html'
if not os.path.isdir(self.testdir):
os.makedirs(self.testdir)
+ self.sudoUserchown(self.testdir)
def getValueList(self, value):
out = []
for i in value.split(','):
@@ -486,7 +503,7 @@ class SystemValues:
fp.close()
self.dmesgstart = float(ktime)
def getdmesg(self, testdata):
- op = self.writeDatafileHeader(sysvals.dmesgfile, testdata)
+ op = self.writeDatafileHeader(self.dmesgfile, testdata)
# store all new dmesg lines since initdmesg was called
fp = Popen('dmesg', stdout=PIPE).stdout
for line in fp:
@@ -716,9 +733,10 @@ class SystemValues:
if name == f:
return True
return False
- def initFtrace(self):
- self.printSystemInfo(False)
- pprint('INITIALIZING FTRACE...')
+ def initFtrace(self, quiet=False):
+ if not quiet:
+ sysvals.printSystemInfo(False)
+ pprint('INITIALIZING FTRACE...')
# turn trace off
self.fsetVal('0', 'tracing_on')
self.cleanupFtrace()
@@ -746,7 +764,7 @@ class SystemValues:
if tgtsize < 65536:
tgtsize = int(self.fgetVal('buffer_size_kb')) * cpus
break
- pprint('Setting trace buffers to %d kB (%d kB per cpu)' % (tgtsize, tgtsize/cpus))
+ self.vprint('Setting trace buffers to %d kB (%d kB per cpu)' % (tgtsize, tgtsize/cpus))
# initialize the callgraph trace
if(self.usecallgraph):
# set trace type
@@ -782,7 +800,8 @@ class SystemValues:
if self.usedevsrc:
for name in self.dev_tracefuncs:
self.defaultKprobe(name, self.dev_tracefuncs[name])
- pprint('INITIALIZING KPROBES...')
+ if not quiet:
+ pprint('INITIALIZING KPROBES...')
self.addKprobes(self.verbose)
if(self.usetraceevents):
# turn trace events on
@@ -827,21 +846,10 @@ class SystemValues:
fw = test['fw']
if(fw):
fp.write('# fwsuspend %u fwresume %u\n' % (fw[0], fw[1]))
- if 'mcelog' in test:
- fp.write('# mcelog %s\n' % test['mcelog'])
if 'turbo' in test:
fp.write('# turbostat %s\n' % test['turbo'])
- if 'bat' in test:
- (a1, c1), (a2, c2) = test['bat']
- fp.write('# battery %s %d %s %d\n' % (a1, c1, a2, c2))
if 'wifi' in test:
- wstr = []
- for wifi in test['wifi']:
- tmp = []
- for key in sorted(wifi):
- tmp.append('%s:%s' % (key, wifi[key]))
- wstr.append('|'.join(tmp))
- fp.write('# wifi %s\n' % (','.join(wstr)))
+ fp.write('# wifi %s\n' % test['wifi'])
if test['error'] or len(testdata) > 1:
fp.write('# enter_sleep_error %s\n' % test['error'])
return fp
@@ -901,23 +909,7 @@ class SystemValues:
def b64zip(self, data):
out = base64.b64encode(codecs.encode(data.encode(), 'zlib')).decode()
return out
- def mcelog(self, clear=False):
- cmd = self.getExec('mcelog')
- if not cmd:
- return ''
- if clear:
- call(cmd+' > /dev/null 2>&1', shell=True)
- return ''
- try:
- fp = Popen([cmd], stdout=PIPE, stderr=PIPE).stdout
- out = ascii(fp.read()).strip()
- fp.close()
- except:
- return ''
- if not out:
- return ''
- return self.b64zip(out)
- def platforminfo(self):
+ def platforminfo(self, cmdafter):
# add platform info on to a completed ftrace file
if not os.path.exists(self.ftracefile):
return False
@@ -1001,31 +993,76 @@ class SystemValues:
footer += '# platform-devinfo: %s\n' % self.b64zip(out)
# add a line for each of these commands with their outputs
- cmds = [
- ['pcidevices', 'lspci', '-tv'],
- ['interrupts', 'cat', '/proc/interrupts'],
- ['gpecounts', 'sh', '-c', 'grep -v invalid /sys/firmware/acpi/interrupts/gpe*'],
- ]
- for cargs in cmds:
- name = cargs[0]
- cmdline = ' '.join(cargs[1:])
- cmdpath = self.getExec(cargs[1])
- if not cmdpath:
+ for name, cmdline, info in cmdafter:
+ footer += '# platform-%s: %s | %s\n' % (name, cmdline, self.b64zip(info))
+
+ with self.openlog(self.ftracefile, 'a') as fp:
+ fp.write(footer)
+ return True
+ def commonPrefix(self, list):
+ if len(list) < 2:
+ return ''
+ prefix = list[0]
+ for s in list[1:]:
+ while s[:len(prefix)] != prefix and prefix:
+ prefix = prefix[:len(prefix)-1]
+ if not prefix:
+ break
+ if '/' in prefix and prefix[-1] != '/':
+ prefix = prefix[0:prefix.rfind('/')+1]
+ return prefix
+ def dictify(self, text, format):
+ out = dict()
+ header = True if format == 1 else False
+ delim = ' ' if format == 1 else ':'
+ for line in text.split('\n'):
+ if header:
+ header, out['@'] = False, line
+ continue
+ line = line.strip()
+ if delim in line:
+ data = line.split(delim, 1)
+ num = re.search(r'[\d]+', data[1])
+ if format == 2 and num:
+ out[data[0].strip()] = num.group()
+ else:
+ out[data[0].strip()] = data[1]
+ return out
+ def cmdinfo(self, begin, debug=False):
+ out = []
+ if begin:
+ self.cmd1 = dict()
+ for cargs in self.infocmds:
+ delta, name = cargs[0], cargs[1]
+ cmdline, cmdpath = ' '.join(cargs[2:]), self.getExec(cargs[2])
+ if not cmdpath or (begin and not delta):
continue
- cmd = [cmdpath] + cargs[2:]
try:
- fp = Popen(cmd, stdout=PIPE, stderr=PIPE).stdout
+ fp = Popen([cmdpath]+cargs[3:], stdout=PIPE, stderr=PIPE).stdout
info = ascii(fp.read()).strip()
fp.close()
except:
continue
- if not info:
- continue
- footer += '# platform-%s: %s | %s\n' % (name, cmdline, self.b64zip(info))
-
- with self.openlog(self.ftracefile, 'a') as fp:
- fp.write(footer)
- return True
+ if not debug and begin:
+ self.cmd1[name] = self.dictify(info, delta)
+ elif not debug and delta and name in self.cmd1:
+ before, after = self.cmd1[name], self.dictify(info, delta)
+ dinfo = ('\t%s\n' % before['@']) if '@' in before else ''
+ prefix = self.commonPrefix(list(before.keys()))
+ for key in sorted(before):
+ if key in after and before[key] != after[key]:
+ title = key.replace(prefix, '')
+ if delta == 2:
+ dinfo += '\t%s : %s -> %s\n' % \
+ (title, before[key].strip(), after[key].strip())
+ else:
+ dinfo += '%10s (start) : %s\n%10s (after) : %s\n' % \
+ (title, before[key], title, after[key])
+ dinfo = '\tnothing changed' if not dinfo else dinfo.rstrip()
+ out.append((name, cmdline, dinfo))
+ else:
+ out.append((name, cmdline, '\tnothing' if not info else info))
+ return out
def haveTurbostat(self):
if not self.tstat:
return False
@@ -1035,8 +1072,8 @@ class SystemValues:
fp = Popen([cmd, '-v'], stdout=PIPE, stderr=PIPE).stderr
out = ascii(fp.read()).strip()
fp.close()
- if re.match('turbostat version [0-9\.]* .*', out):
- sysvals.vprint(out)
+ if re.match('turbostat version .*', out):
+ self.vprint(out)
return True
return False
def turbostat(self):
@@ -1056,11 +1093,11 @@ class SystemValues:
fp.close()
if not keyline or not valline or len(keyline) != len(valline):
errmsg = 'unrecognized turbostat output:\n'+rawout.strip()
- sysvals.vprint(errmsg)
- if not sysvals.verbose:
+ self.vprint(errmsg)
+ if not self.verbose:
pprint(errmsg)
return ''
- if sysvals.verbose:
+ if self.verbose:
pprint(rawout.strip())
out = []
for key in keyline:
@@ -1068,30 +1105,36 @@ class SystemValues:
val = valline[idx]
out.append('%s=%s' % (key, val))
return '|'.join(out)
- def checkWifi(self):
- out = dict()
- iwcmd, ifcmd = self.getExec('iwconfig'), self.getExec('ifconfig')
- if not iwcmd or not ifcmd:
- return out
- fp = Popen(iwcmd, stdout=PIPE, stderr=PIPE).stdout
- for line in fp:
- m = re.match('(?P<dev>\S*) .* ESSID:(?P<ess>\S*)', ascii(line))
- if not m:
+ def wifiDetails(self, dev):
+ try:
+ info = open('/sys/class/net/%s/device/uevent' % dev, 'r').read().strip()
+ except:
+ return dev
+ vals = [dev]
+ for prop in info.split('\n'):
+ if prop.startswith('DRIVER=') or prop.startswith('PCI_ID='):
+ vals.append(prop.split('=')[-1])
+ return ':'.join(vals)
+ def checkWifi(self, dev=''):
+ try:
+ w = open('/proc/net/wireless', 'r').read().strip()
+ except:
+ return ''
+ for line in reversed(w.split('\n')):
+ m = re.match(' *(?P<dev>.*): (?P<stat>[0-9a-f]*) .*', w.split('\n')[-1])
+ if not m or (dev and dev != m.group('dev')):
continue
- out['device'] = m.group('dev')
- if '"' in m.group('ess'):
- out['essid'] = m.group('ess').strip('"')
- break
- fp.close()
- if 'device' in out:
- fp = Popen([ifcmd, out['device']], stdout=PIPE, stderr=PIPE).stdout
- for line in fp:
- m = re.match('.* inet (?P<ip>[0-9\.]*)', ascii(line))
- if m:
- out['ip'] = m.group('ip')
- break
- fp.close()
- return out
+ return m.group('dev')
+ return ''
+ def pollWifi(self, dev, timeout=60):
+ start = time.time()
+ while (time.time() - start) < timeout:
+ w = self.checkWifi(dev)
+ if w:
+ return '%s reconnected %.2f' % \
+ (self.wifiDetails(dev), max(0, time.time() - start))
+ time.sleep(0.01)
+ return '%s timeout %d' % (self.wifiDetails(dev), timeout)
def errorSummary(self, errinfo, msg):
found = False
for entry in errinfo:
@@ -1113,8 +1156,9 @@ class SystemValues:
arr[j] = arr[j]\
.replace('\\', '\\\\').replace(']', '\]').replace('[', '\[')\
.replace('.', '\.').replace('+', '\+').replace('*', '\*')\
- .replace('(', '\(').replace(')', '\)')
- mstr = ' '.join(arr)
+ .replace('(', '\(').replace(')', '\)').replace('}', '\}')\
+ .replace('{', '\{')
+ mstr = ' *'.join(arr)
entry = {
'line': msg,
'match': mstr,
@@ -1122,6 +1166,44 @@ class SystemValues:
'urls': {self.hostname: [self.htmlfile]}
}
errinfo.append(entry)
+ def multistat(self, start, idx, finish):
+ if 'time' in self.multitest:
+ id = '%d Duration=%dmin' % (idx+1, self.multitest['time'])
+ else:
+ id = '%d/%d' % (idx+1, self.multitest['count'])
+ t = time.time()
+ if 'start' not in self.multitest:
+ self.multitest['start'] = self.multitest['last'] = t
+ self.multitest['total'] = 0.0
+ pprint('TEST (%s) START' % id)
+ return
+ dt = t - self.multitest['last']
+ if not start:
+ if idx == 0 and self.multitest['delay'] > 0:
+ self.multitest['total'] += self.multitest['delay']
+ pprint('TEST (%s) COMPLETE -- Duration %.1fs' % (id, dt))
+ return
+ self.multitest['total'] += dt
+ self.multitest['last'] = t
+ avg = self.multitest['total'] / idx
+ if 'time' in self.multitest:
+ left = finish - datetime.now()
+ left -= timedelta(microseconds=left.microseconds)
+ else:
+ left = timedelta(seconds=((self.multitest['count'] - idx) * int(avg)))
+ pprint('TEST (%s) START - Avg Duration %.1fs, Time left %s' % \
+ (id, avg, str(left)))
+ def multiinit(self, c, d):
+ sz, unit = 'count', 'm'
+ if c.endswith('d') or c.endswith('h') or c.endswith('m'):
+ sz, unit, c = 'time', c[-1], c[:-1]
+ self.multitest['run'] = True
+ self.multitest[sz] = getArgInt('multi: n d (exec count)', c, 1, 1000000, False)
+ self.multitest['delay'] = getArgInt('multi: n d (delay between tests)', d, 0, 3600, False)
+ if unit == 'd':
+ self.multitest[sz] *= 1440
+ elif unit == 'h':
+ self.multitest[sz] *= 60
sysvals = SystemValues()
switchvalues = ['enable', 'disable', 'on', 'off', 'true', 'false', '1', '0']
@@ -1210,25 +1292,30 @@ class Data:
'resume_complete': {'order': 9, 'color': '#FFFFCC'},
}
errlist = {
- 'HWERROR' : '.*\[ *Hardware Error *\].*',
- 'FWBUG' : '.*\[ *Firmware Bug *\].*',
- 'BUG' : '.*BUG.*',
- 'ERROR' : '.*ERROR.*',
- 'WARNING' : '.*WARNING.*',
- 'IRQ' : '.*genirq: .*',
- 'TASKFAIL': '.*Freezing of tasks *.*',
- 'ACPI' : '.*ACPI *(?P<b>[A-Za-z]*) *Error[: ].*',
- 'DEVFAIL' : '.* failed to (?P<b>[a-z]*) async: .*',
- 'DISKFULL': '.*No space left on device.*',
- 'USBERR' : '.*usb .*device .*, error [0-9-]*',
- 'ATAERR' : ' *ata[0-9\.]*: .*failed.*',
- 'MEIERR' : ' *mei.*: .*failed.*',
- 'TPMERR' : '(?i) *tpm *tpm[0-9]*: .*error.*',
+ 'HWERROR' : r'.*\[ *Hardware Error *\].*',
+ 'FWBUG' : r'.*\[ *Firmware Bug *\].*',
+ 'BUG' : r'(?i).*\bBUG\b.*',
+ 'ERROR' : r'(?i).*\bERROR\b.*',
+ 'WARNING' : r'(?i).*\bWARNING\b.*',
+ 'FAULT' : r'(?i).*\bFAULT\b.*',
+ 'FAIL' : r'(?i).*\bFAILED\b.*',
+ 'INVALID' : r'(?i).*\bINVALID\b.*',
+ 'CRASH' : r'(?i).*\bCRASHED\b.*',
+ 'IRQ' : r'.*\bgenirq: .*',
+ 'TASKFAIL': r'.*Freezing of tasks *.*',
+ 'ACPI' : r'.*\bACPI *(?P<b>[A-Za-z]*) *Error[: ].*',
+ 'DISKFULL': r'.*\bNo space left on device.*',
+ 'USBERR' : r'.*usb .*device .*, error [0-9-]*',
+ 'ATAERR' : r' *ata[0-9\.]*: .*failed.*',
+ 'MEIERR' : r' *mei.*: .*failed.*',
+ 'TPMERR' : r'(?i) *tpm *tpm[0-9]*: .*error.*',
}
def __init__(self, num):
idchar = 'abcdefghij'
self.start = 0.0 # test start
self.end = 0.0 # test end
+ self.hwstart = 0 # rtc test start
+ self.hwend = 0 # rtc test end
self.tSuspended = 0.0 # low-level suspend start
self.tResumed = 0.0 # low-level resume start
self.tKernSus = 0.0 # kernel level suspend start
@@ -1240,10 +1327,8 @@ class Data:
self.stamp = 0
self.outfile = ''
self.kerror = False
- self.battery = 0
- self.wifi = 0
+ self.wifi = dict()
self.turbostat = 0
- self.mcelog = 0
self.enterfail = ''
self.currphase = ''
self.pstl = dict() # process timeline
@@ -1308,6 +1393,8 @@ class Data:
continue
dir = 'suspend' if t < self.tSuspended else 'resume'
msg = m.group('msg')
+ if re.match('capability: warning: .*', msg):
+ continue
for err in self.errlist:
if re.match(self.errlist[err], msg):
list.append((msg, err, dir, t, i, i))
@@ -1316,17 +1403,26 @@ class Data:
msglist = []
for msg, type, dir, t, idx1, idx2 in list:
msglist.append(msg)
- sysvals.vprint('kernel %s found in %s at %f' % (type, dir, t))
self.errorinfo[dir].append((type, t, idx1, idx2))
if self.kerror:
sysvals.dmesglog = True
if len(self.dmesgtext) < 1 and sysvals.dmesgfile:
lf.close()
return msglist
- def setStart(self, time):
+ def setStart(self, time, msg=''):
self.start = time
- def setEnd(self, time):
+ if msg:
+ try:
+ self.hwstart = datetime.strptime(msg, sysvals.tmstart)
+ except:
+ self.hwstart = 0
+ def setEnd(self, time, msg=''):
self.end = time
+ if msg:
+ try:
+ self.hwend = datetime.strptime(msg, sysvals.tmend)
+ except:
+ self.hwend = 0
def isTraceEventOutsideDeviceCalls(self, pid, time):
for phase in self.sortedPhases():
list = self.dmesg[phase]['list']
@@ -1546,6 +1642,14 @@ class Data:
self.trimTime(tS, tL, left)
self.tLow.append('%.0f'%(tL*1000))
lp = phase
+ def getMemTime(self):
+ if not self.hwstart or not self.hwend:
+ return
+ stime = (self.tSuspended - self.start) * 1000000
+ rtime = (self.end - self.tResumed) * 1000000
+ hws = self.hwstart + timedelta(microseconds=stime)
+ hwr = self.hwend - timedelta(microseconds=rtime)
+ self.tLow.append('%.0f'%((hwr - hws).total_seconds() * 1000))
def getTimeValues(self):
sktime = (self.tSuspended - self.tKernSus) * 1000
rktime = (self.tKernRes - self.tResumed) * 1000
@@ -1883,9 +1987,9 @@ class Data:
c = self.addProcessUsageEvent(ps, tres)
if c > 0:
sysvals.vprint('%25s (res): %d' % (ps, c))
- def handleEndMarker(self, time):
+ def handleEndMarker(self, time, msg=''):
dm = self.dmesg
- self.setEnd(time)
+ self.setEnd(time, msg)
self.initDevicegroups()
# give suspend_prepare an end if needed
if 'suspend_prepare' in dm and dm['suspend_prepare']['end'] < 0:
@@ -2071,7 +2175,7 @@ class FTraceLine:
if not self.fevent:
return False
if sysvals.usetracemarkers:
- if(self.name == 'SUSPEND START'):
+ if(self.name.startswith('SUSPEND START')):
return True
return False
else:
@@ -2084,7 +2188,7 @@ class FTraceLine:
if not self.fevent:
return False
if sysvals.usetracemarkers:
- if(self.name == 'RESUME COMPLETE'):
+ if(self.name.startswith('RESUME COMPLETE')):
return True
return False
else:
@@ -2444,7 +2548,7 @@ class Timeline:
def createHeader(self, sv, stamp):
if(not stamp['time']):
return
- self.html += '<div class="version"><a href="https://01.org/suspendresume">%s v%s</a></div>' \
+ self.html += '<div class="version"><a href="https://01.org/pm-graph">%s v%s</a></div>' \
% (sv.title, sv.version)
if sv.logmsg and sv.testlog:
self.html += '<button id="showtest" class="logbtn btnfmt">log</button>'
@@ -2670,14 +2774,11 @@ class TestProps:
stampfmt = '# [a-z]*-(?P<m>[0-9]{2})(?P<d>[0-9]{2})(?P<y>[0-9]{2})-'+\
'(?P<H>[0-9]{2})(?P<M>[0-9]{2})(?P<S>[0-9]{2})'+\
' (?P<host>.*) (?P<mode>.*) (?P<kernel>.*)$'
- batteryfmt = '^# battery (?P<a1>\w*) (?P<c1>\d*) (?P<a2>\w*) (?P<c2>\d*)'
- wififmt = '^# wifi (?P<w>.*)'
+ wififmt = '^# wifi *(?P<d>\S*) *(?P<s>\S*) *(?P<t>[0-9\.]+).*'
tstatfmt = '^# turbostat (?P<t>\S*)'
- mcelogfmt = '^# mcelog (?P<m>\S*)'
testerrfmt = '^# enter_sleep_error (?P<e>.*)'
sysinfofmt = '^# sysinfo .*'
cmdlinefmt = '^# command \| (?P<cmd>.*)'
- kparamsfmt = '^# kparams \| (?P<kp>.*)'
devpropfmt = '# Device Properties: .*'
pinfofmt = '# platform-(?P<val>[a-z,A-Z,0-9]*): (?P<info>.*)'
tracertypefmt = '# tracer: (?P<t>.*)'
@@ -2695,11 +2796,8 @@ class TestProps:
self.stamp = ''
self.sysinfo = ''
self.cmdline = ''
- self.kparams = ''
self.testerror = []
- self.mcelog = []
self.turbostat = []
- self.battery = []
self.wifi = []
self.fwdata = []
self.ftrace_line_fmt = self.ftrace_line_fmt_nop
@@ -2721,21 +2819,12 @@ class TestProps:
elif re.match(self.sysinfofmt, line):
self.sysinfo = line
return True
- elif re.match(self.kparamsfmt, line):
- self.kparams = line
- return True
elif re.match(self.cmdlinefmt, line):
self.cmdline = line
return True
- elif re.match(self.mcelogfmt, line):
- self.mcelog.append(line)
- return True
elif re.match(self.tstatfmt, line):
self.turbostat.append(line)
return True
- elif re.match(self.batteryfmt, line):
- self.battery.append(line)
- return True
elif re.match(self.wififmt, line):
self.wifi.append(line)
return True
@@ -2749,6 +2838,8 @@ class TestProps:
def parseStamp(self, data, sv):
# global test data
m = re.match(self.stampfmt, self.stamp)
+ if not self.stamp or not m:
+ doError('data does not include the expected stamp')
data.stamp = {'time': '', 'host': '', 'mode': ''}
dt = datetime(int(m.group('y'))+2000, int(m.group('m')),
int(m.group('d')), int(m.group('H')), int(m.group('M')),
@@ -2780,10 +2871,6 @@ class TestProps:
m = re.match(self.cmdlinefmt, self.cmdline)
if m:
sv.cmdline = m.group('cmd')
- if self.kparams:
- m = re.match(self.kparamsfmt, self.kparams)
- if m:
- sv.kparams = m.group('kp')
if not sv.stamp:
sv.stamp = data.stamp
# firmware data
@@ -2793,26 +2880,18 @@ class TestProps:
data.fwSuspend, data.fwResume = int(m.group('s')), int(m.group('r'))
if(data.fwSuspend > 0 or data.fwResume > 0):
data.fwValid = True
- # mcelog data
- if len(self.mcelog) > data.testnumber:
- m = re.match(self.mcelogfmt, self.mcelog[data.testnumber])
- if m:
- data.mcelog = sv.b64unzip(m.group('m'))
# turbostat data
if len(self.turbostat) > data.testnumber:
m = re.match(self.tstatfmt, self.turbostat[data.testnumber])
if m:
data.turbostat = m.group('t')
- # battery data
- if len(self.battery) > data.testnumber:
- m = re.match(self.batteryfmt, self.battery[data.testnumber])
- if m:
- data.battery = m.groups()
# wifi data
if len(self.wifi) > data.testnumber:
m = re.match(self.wififmt, self.wifi[data.testnumber])
if m:
- data.wifi = m.group('w')
+ data.wifi = {'dev': m.group('d'), 'stat': m.group('s'),
+ 'time': float(m.group('t'))}
+ data.stamp['wifi'] = m.group('d')
# sleep mode enter errors
if len(self.testerror) > data.testnumber:
m = re.match(self.testerrfmt, self.testerror[data.testnumber])
@@ -3012,13 +3091,13 @@ def appendIncompleteTraceLog(testruns):
if(t.startMarker()):
data = testrun[testidx].data
tp.parseStamp(data, sysvals)
- data.setStart(t.time)
+ data.setStart(t.time, t.name)
continue
if(not data):
continue
# find the end of resume
if(t.endMarker()):
- data.setEnd(t.time)
+ data.setEnd(t.time, t.name)
testidx += 1
if(testidx >= testcnt):
break
@@ -3081,7 +3160,7 @@ def parseTraceLog(live=False):
doError('%s does not exist' % sysvals.ftracefile)
if not live:
sysvals.setupAllKprobes()
- ksuscalls = ['pm_prepare_console']
+ ksuscalls = ['ksys_sync', 'pm_prepare_console']
krescalls = ['pm_restore_console']
tracewatch = ['irq_wakeup']
if sysvals.usekprobes:
@@ -3094,7 +3173,7 @@ def parseTraceLog(live=False):
testruns = []
testdata = []
testrun = 0
- data = 0
+ data, limbo = 0, True
tf = sysvals.openlog(sysvals.ftracefile, 'r')
phase = 'suspend_prepare'
for line in tf:
@@ -3141,16 +3220,16 @@ def parseTraceLog(live=False):
continue
# find the start of suspend
if(t.startMarker()):
- data = Data(len(testdata))
+ data, limbo = Data(len(testdata)), False
testdata.append(data)
testrun = TestRun(data)
testruns.append(testrun)
tp.parseStamp(data, sysvals)
- data.setStart(t.time)
+ data.setStart(t.time, t.name)
data.first_suspend_prepare = True
phase = data.setPhase('suspend_prepare', t.time, True)
continue
- if(not data):
+ if(not data or limbo):
continue
# process cpu exec line
if t.type == 'tracing_mark_write':
@@ -3167,14 +3246,16 @@ def parseTraceLog(live=False):
continue
# find the end of resume
if(t.endMarker()):
- data.handleEndMarker(t.time)
+ if data.tKernRes == 0:
+ data.tKernRes = t.time
+ data.handleEndMarker(t.time, t.name)
if(not sysvals.usetracemarkers):
# no trace markers? then quit and be sure to finish recording
# the event we used to trigger resume end
if('thaw_processes' in testrun.ttemp and len(testrun.ttemp['thaw_processes']) > 0):
# if an entry exists, assume this is its end
testrun.ttemp['thaw_processes'][-1]['end'] = t.time
- break
+ limbo = True
continue
# trace event processing
if(t.fevent):
@@ -3197,7 +3278,7 @@ def parseTraceLog(live=False):
# -- phase changes --
# start of kernel suspend
if(re.match('suspend_enter\[.*', t.name)):
- if(isbegin):
+ if(isbegin and data.tKernSus == 0):
data.tKernSus = t.time
continue
# suspend_prepare start
@@ -3225,7 +3306,7 @@ def parseTraceLog(live=False):
elif(re.match('machine_suspend\[.*', t.name)):
if(isbegin):
lp = data.lastPhase()
- if lp == 'resume_machine':
+ if lp.startswith('resume_machine'):
data.dmesg[lp]['end'] = t.time
phase = data.setPhase('suspend_machine', data.dmesg[lp]['end'], True)
data.setPhase(phase, t.time, False)
@@ -3320,7 +3401,8 @@ def parseTraceLog(live=False):
'proc': m_proc,
})
# start of kernel resume
- if(phase == 'suspend_prepare' and kprobename in ksuscalls):
+ if(data.tKernSus == 0 and phase == 'suspend_prepare' \
+ and kprobename in ksuscalls):
data.tKernSus = t.time
elif(t.freturn):
if(key not in tp.ktemp) or len(tp.ktemp[key]) < 1:
@@ -3355,7 +3437,7 @@ def parseTraceLog(live=False):
sysvals.vprint('WARNING: ftrace start marker is missing')
if data and not data.devicegroups:
sysvals.vprint('WARNING: ftrace end marker is missing')
- data.handleEndMarker(t.time)
+ data.handleEndMarker(t.time, t.name)
if sysvals.suspendmode == 'command':
for test in testruns:
@@ -3476,6 +3558,10 @@ def parseTraceLog(live=False):
data.fwValid = False
sysvals.vprint('WARNING: phase "%s" is missing!' % p)
lp = p
+ if not terr and 'dev' in data.wifi and data.wifi['stat'] == 'timeout':
+ terr = '%s%s failed in wifi_resume <i>(%s %.0fs timeout)</i>' % \
+ (sysvals.suspendmode, tn, data.wifi['dev'], data.wifi['time'])
+ error.append(terr)
if not terr and data.enterfail:
pprint('test%s FAILED: enter %s failed with %s' % (tn, sysvals.suspendmode, data.enterfail))
terr = 'test%s failed to enter %s mode' % (tn, sysvals.suspendmode)
@@ -3933,7 +4019,7 @@ def createHTMLSummarySimple(testruns, htmlfile, title):
tAvg, tMin, tMax, tMed = [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [dict(), dict()]
iMin, iMed, iMax = [0, 0], [0, 0], [0, 0]
num = 0
- useturbo = False
+ useturbo = usewifi = False
lastmode = ''
cnt = dict()
for data in sorted(testruns, key=lambda v:(v['mode'], v['host'], v['kernel'], v['time'])):
@@ -3952,17 +4038,17 @@ def createHTMLSummarySimple(testruns, htmlfile, title):
tAvg, tMin, tMax, tMed = [0.0, 0.0], [0.0, 0.0], [0.0, 0.0], [dict(), dict()]
iMin, iMed, iMax = [0, 0], [0, 0], [0, 0]
num = 0
- pkgpc10 = syslpi = ''
+ pkgpc10 = syslpi = wifi = ''
if 'pkgpc10' in data and 'syslpi' in data:
- pkgpc10 = data['pkgpc10']
- syslpi = data['syslpi']
- useturbo = True
+ pkgpc10, syslpi, useturbo = data['pkgpc10'], data['syslpi'], True
+ if 'wifi' in data:
+ wifi, usewifi = data['wifi'], True
res = data['result']
tVal = [float(data['suspend']), float(data['resume'])]
list[mode]['data'].append([data['host'], data['kernel'],
data['time'], tVal[0], tVal[1], data['url'], res,
data['issues'], data['sus_worst'], data['sus_worsttime'],
- data['res_worst'], data['res_worsttime'], pkgpc10, syslpi])
+ data['res_worst'], data['res_worsttime'], pkgpc10, syslpi, wifi])
idx = len(list[mode]['data']) - 1
if res.startswith('fail in'):
res = 'fail'
@@ -4002,7 +4088,12 @@ def createHTMLSummarySimple(testruns, htmlfile, title):
td = '\t<td>{0}</td>\n'
tdh = '\t<td{1}>{0}</td>\n'
tdlink = '\t<td><a href="{0}">html</a></td>\n'
- colspan = '14' if useturbo else '12'
+ cols = 12
+ if useturbo:
+ cols += 2
+ if usewifi:
+ cols += 1
+ colspan = '%d' % cols
# table header
html += '<table>\n<tr>\n' + th.format('#') +\
@@ -4013,6 +4104,8 @@ def createHTMLSummarySimple(testruns, htmlfile, title):
th.format('Worst Resume Device') + th.format('RD Time')
if useturbo:
html += th.format('PkgPC10') + th.format('SysLPI')
+ if usewifi:
+ html += th.format('Wifi')
html += th.format('Detail')+'</tr>\n'
# export list into html
head = '<tr class="head"><td>{0}</td><td>{1}</td>'+\
@@ -4076,6 +4169,8 @@ def createHTMLSummarySimple(testruns, htmlfile, title):
if useturbo:
html += td.format(d[12]) # pkg_pc10
html += td.format(d[13]) # syslpi
+ if usewifi:
+ html += td.format(d[14]) # wifi
html += tdlink.format(d[5]) if d[5] else td.format('') # url
html += '</tr>\n'
num += 1
@@ -4224,6 +4319,8 @@ def createHTML(testruns, testfail):
kerror = True
if(sysvals.suspendmode in ['freeze', 'standby']):
data.trimFreezeTime(testruns[-1].tSuspended)
+ else:
+ data.getMemTime()
# html function templates
html_error = '<div id="{1}" title="kernel error/warning" class="err" style="right:{0}%">{2}&rarr;</div>\n'
@@ -4242,13 +4339,10 @@ def createHTML(testruns, testfail):
'<td class="green">Execution Time: <b>{0} ms</b></td>'\
'<td class="yellow">Command: <b>{1}</b></td>'\
'</tr>\n</table>\n'
- html_timegroups = '<table class="time2">\n<tr>'\
- '<td class="green" title="time from kernel enter_state({5}) to firmware mode [kernel time only]">{4}Kernel Suspend: {0} ms</td>'\
- '<td class="purple">{4}Firmware Suspend: {1} ms</td>'\
- '<td class="purple">{4}Firmware Resume: {2} ms</td>'\
- '<td class="yellow" title="time from firmware mode to return from kernel enter_state({5}) [kernel time only]">{4}Kernel Resume: {3} ms</td>'\
- '</tr>\n</table>\n'
html_fail = '<table class="testfail"><tr><td>{0}</td></tr></table>\n'
+ html_kdesc = '<td class="{3}" title="time spent in kernel execution">{0}Kernel {2}: {1} ms</td>'
+ html_fwdesc = '<td class="{3}" title="time spent in firmware">{0}Firmware {2}: {1} ms</td>'
+ html_wifdesc = '<td class="yellow" title="time for wifi to reconnect after resume complete ({2})">{0}Wifi Resume: {1}</td>'
# html format variables
scaleH = 20
@@ -4264,13 +4358,10 @@ def createHTML(testruns, testfail):
# Generate the header for this timeline
for data in testruns:
tTotal = data.end - data.start
- sktime, rktime = data.getTimeValues()
if(tTotal == 0):
doError('No timeline data')
- if(len(data.tLow) > 0):
- low_time = '+'.join(data.tLow)
if sysvals.suspendmode == 'command':
- run_time = '%.0f'%((data.end-data.start)*1000)
+ run_time = '%.0f' % (tTotal * 1000)
if sysvals.testcommand:
testdesc = sysvals.testcommand
else:
@@ -4279,43 +4370,55 @@ def createHTML(testruns, testfail):
testdesc = ordinal(data.testnumber+1)+' '+testdesc
thtml = html_timetotal3.format(run_time, testdesc)
devtl.html += thtml
- elif data.fwValid:
- suspend_time = '%.0f'%(sktime + (data.fwSuspend/1000000.0))
- resume_time = '%.0f'%(rktime + (data.fwResume/1000000.0))
- testdesc1 = 'Total'
- testdesc2 = ''
- stitle = 'time from kernel enter_state(%s) to low-power mode [kernel & firmware time]' % sysvals.suspendmode
- rtitle = 'time from low-power mode to return from kernel enter_state(%s) [firmware & kernel time]' % sysvals.suspendmode
- if(len(testruns) > 1):
- testdesc1 = testdesc2 = ordinal(data.testnumber+1)
- testdesc2 += ' '
- if(len(data.tLow) == 0):
- thtml = html_timetotal.format(suspend_time, \
- resume_time, testdesc1, stitle, rtitle)
- else:
- thtml = html_timetotal2.format(suspend_time, low_time, \
- resume_time, testdesc1, stitle, rtitle)
- devtl.html += thtml
+ continue
+ # typical full suspend/resume header
+ stot, rtot = sktime, rktime = data.getTimeValues()
+ ssrc, rsrc, testdesc, testdesc2 = ['kernel'], ['kernel'], 'Kernel', ''
+ if data.fwValid:
+ stot += (data.fwSuspend/1000000.0)
+ rtot += (data.fwResume/1000000.0)
+ ssrc.append('firmware')
+ rsrc.append('firmware')
+ testdesc = 'Total'
+ if 'time' in data.wifi and data.wifi['stat'] != 'timeout':
+ rtot += data.end - data.tKernRes + (data.wifi['time'] * 1000.0)
+ rsrc.append('wifi')
+ testdesc = 'Total'
+ suspend_time, resume_time = '%.3f' % stot, '%.3f' % rtot
+ stitle = 'time from kernel suspend start to %s mode [%s time]' % \
+ (sysvals.suspendmode, ' & '.join(ssrc))
+ rtitle = 'time from %s mode to kernel resume complete [%s time]' % \
+ (sysvals.suspendmode, ' & '.join(rsrc))
+ if(len(testruns) > 1):
+ testdesc = testdesc2 = ordinal(data.testnumber+1)
+ testdesc2 += ' '
+ if(len(data.tLow) == 0):
+ thtml = html_timetotal.format(suspend_time, \
+ resume_time, testdesc, stitle, rtitle)
+ else:
+ low_time = '+'.join(data.tLow)
+ thtml = html_timetotal2.format(suspend_time, low_time, \
+ resume_time, testdesc, stitle, rtitle)
+ devtl.html += thtml
+ if not data.fwValid and 'dev' not in data.wifi:
+ continue
+ # extra detail when the times come from multiple sources
+ thtml = '<table class="time2">\n<tr>'
+ thtml += html_kdesc.format(testdesc2, '%.3f'%sktime, 'Suspend', 'green')
+ if data.fwValid:
sftime = '%.3f'%(data.fwSuspend / 1000000.0)
rftime = '%.3f'%(data.fwResume / 1000000.0)
- devtl.html += html_timegroups.format('%.3f'%sktime, \
- sftime, rftime, '%.3f'%rktime, testdesc2, sysvals.suspendmode)
- else:
- suspend_time = '%.3f' % sktime
- resume_time = '%.3f' % rktime
- testdesc = 'Kernel'
- stitle = 'time from kernel enter_state(%s) to firmware mode [kernel time only]' % sysvals.suspendmode
- rtitle = 'time from firmware mode to return from kernel enter_state(%s) [kernel time only]' % sysvals.suspendmode
- if(len(testruns) > 1):
- testdesc = ordinal(data.testnumber+1)+' '+testdesc
- if(len(data.tLow) == 0):
- thtml = html_timetotal.format(suspend_time, \
- resume_time, testdesc, stitle, rtitle)
+ thtml += html_fwdesc.format(testdesc2, sftime, 'Suspend', 'green')
+ thtml += html_fwdesc.format(testdesc2, rftime, 'Resume', 'yellow')
+ thtml += html_kdesc.format(testdesc2, '%.3f'%rktime, 'Resume', 'yellow')
+ if 'time' in data.wifi:
+ if data.wifi['stat'] != 'timeout':
+ wtime = '%.0f ms'%(data.end - data.tKernRes + (data.wifi['time'] * 1000.0))
else:
- thtml = html_timetotal2.format(suspend_time, low_time, \
- resume_time, testdesc, stitle, rtitle)
- devtl.html += thtml
-
+ wtime = 'TIMEOUT'
+ thtml += html_wifdesc.format(testdesc2, wtime, data.wifi['dev'])
+ thtml += '</tr>\n</table>\n'
+ devtl.html += thtml
if testfail:
devtl.html += html_fail.format(testfail)
@@ -5082,28 +5185,32 @@ def setRuntimeSuspend(before=True):
# Description:
# Execute system suspend through the sysfs interface, then copy the output
# dmesg and ftrace files to the test output directory.
-def executeSuspend():
+def executeSuspend(quiet=False):
pm = ProcessMonitor()
tp = sysvals.tpath
- wifi = sysvals.checkWifi()
+ if sysvals.wifi:
+ wifi = sysvals.checkWifi()
testdata = []
- battery = True if getBattery() else False
# run these commands to prepare the system for suspend
if sysvals.display:
- pprint('SET DISPLAY TO %s' % sysvals.display.upper())
+ if not quiet:
+ pprint('SET DISPLAY TO %s' % sysvals.display.upper())
displayControl(sysvals.display)
time.sleep(1)
if sysvals.sync:
- pprint('SYNCING FILESYSTEMS')
+ if not quiet:
+ pprint('SYNCING FILESYSTEMS')
call('sync', shell=True)
# mark the start point in the kernel ring buffer just as we start
sysvals.initdmesg()
# start ftrace
if(sysvals.usecallgraph or sysvals.usetraceevents):
- pprint('START TRACING')
+ if not quiet:
+ pprint('START TRACING')
sysvals.fsetVal('1', 'tracing_on')
if sysvals.useprocmon:
pm.start()
+ sysvals.cmdinfo(True)
# execute however many s/r runs requested
for count in range(1,sysvals.execcount+1):
# x2delay in between test runs
@@ -5119,15 +5226,14 @@ def executeSuspend():
pprint('SUSPEND START')
else:
pprint('SUSPEND START (press a key to resume)')
- sysvals.mcelog(True)
- bat1 = getBattery() if battery else False
# set rtcwake
if(sysvals.rtcwake):
- pprint('will issue an rtcwake in %d seconds' % sysvals.rtcwaketime)
+ if not quiet:
+ pprint('will issue an rtcwake in %d seconds' % sysvals.rtcwaketime)
sysvals.rtcWakeAlarmOn()
# start of suspend trace marker
if(sysvals.usecallgraph or sysvals.usetraceevents):
- sysvals.fsetVal('SUSPEND START', 'trace_marker')
+ sysvals.fsetVal(datetime.now().strftime(sysvals.tmstart), 'trace_marker')
# predelay delay
if(count == 1 and sysvals.predelay > 0):
sysvals.fsetVal('WAIT %d' % sysvals.predelay, 'trace_marker')
@@ -5174,37 +5280,33 @@ def executeSuspend():
# return from suspend
pprint('RESUME COMPLETE')
if(sysvals.usecallgraph or sysvals.usetraceevents):
- sysvals.fsetVal('RESUME COMPLETE', 'trace_marker')
+ sysvals.fsetVal(datetime.now().strftime(sysvals.tmend), 'trace_marker')
+ if sysvals.wifi and wifi:
+ tdata['wifi'] = sysvals.pollWifi(wifi)
if(sysvals.suspendmode == 'mem' or sysvals.suspendmode == 'command'):
tdata['fw'] = getFPDT(False)
- mcelog = sysvals.mcelog()
- if mcelog:
- tdata['mcelog'] = mcelog
- bat2 = getBattery() if battery else False
- if battery and bat1 and bat2:
- tdata['bat'] = (bat1, bat2)
- if 'device' in wifi and 'ip' in wifi:
- tdata['wifi'] = (wifi, sysvals.checkWifi())
testdata.append(tdata)
+ cmdafter = sysvals.cmdinfo(False)
# stop ftrace
if(sysvals.usecallgraph or sysvals.usetraceevents):
if sysvals.useprocmon:
pm.stop()
sysvals.fsetVal('0', 'tracing_on')
# grab a copy of the dmesg output
- pprint('CAPTURING DMESG')
+ if not quiet:
+ pprint('CAPTURING DMESG')
sysvals.getdmesg(testdata)
# grab a copy of the ftrace output
if(sysvals.usecallgraph or sysvals.usetraceevents):
- pprint('CAPTURING TRACE')
+ if not quiet:
+ pprint('CAPTURING TRACE')
op = sysvals.writeDatafileHeader(sysvals.ftracefile, testdata)
fp = open(tp+'trace', 'r')
for line in fp:
op.write(line)
op.close()
sysvals.fsetVal('', 'trace')
- sysvals.platforminfo()
- return testdata
+ sysvals.platforminfo(cmdafter)
def readFile(file):
if os.path.islink(file):
@@ -5447,25 +5549,6 @@ def dmidecode(mempath, fatal=False):
count += 1
return out
-def getBattery():
- p, charge, bat = '/sys/class/power_supply', 0, {}
- if not os.path.exists(p):
- return False
- for d in os.listdir(p):
- type = sysvals.getVal(os.path.join(p, d, 'type')).strip().lower()
- if type != 'battery':
- continue
- for v in ['status', 'energy_now', 'capacity_now']:
- bat[v] = sysvals.getVal(os.path.join(p, d, v)).strip().lower()
- break
- if 'status' not in bat:
- return False
- ac = False if 'discharging' in bat['status'] else True
- for v in ['energy_now', 'capacity_now']:
- if v in bat and bat[v]:
- charge = int(bat[v])
- return (ac, charge)
-
def displayControl(cmd):
xset, ret = 'timeout 10 xset -d :0.0 {0}', 0
if sysvals.sudouser:
@@ -5715,6 +5798,17 @@ def statusCheck(probecheck=False):
status = 'rtcwake is not properly supported'
pprint(' is rtcwake supported: %s' % res)
+ # check info commands
+ pprint(' optional commands this tool may use for info:')
+ no = sysvals.colorText('MISSING')
+ yes = sysvals.colorText('FOUND', 32)
+ for c in ['turbostat', 'mcelog', 'lspci', 'lsusb']:
+ if c == 'turbostat':
+ res = yes if sysvals.haveTurbostat() else no
+ else:
+ res = yes if sysvals.getExec(c) else no
+ pprint(' %s: %s' % (c, res))
+
if not probecheck:
return status
@@ -5780,8 +5874,9 @@ def getArgFloat(name, args, min, max, main=True):
doError(name+': value should be between %f and %f' % (min, max), True)
return val
-def processData(live=False):
- pprint('PROCESSING DATA')
+def processData(live=False, quiet=False):
+ if not quiet:
+ pprint('PROCESSING DATA')
sysvals.vprint('usetraceevents=%s, usetracemarkers=%s, usekprobes=%s' % \
(sysvals.usetraceevents, sysvals.usetracemarkers, sysvals.usekprobes))
error = ''
@@ -5796,20 +5891,17 @@ def processData(live=False):
parseKernelLog(data)
if(sysvals.ftracefile and (sysvals.usecallgraph or sysvals.usetraceevents)):
appendIncompleteTraceLog(testruns)
+ if not sysvals.stamp:
+ pprint('ERROR: data does not include the expected stamp')
+ return (testruns, {'error': 'timeline generation failed'})
shown = ['bios', 'biosdate', 'cpu', 'host', 'kernel', 'man', 'memfr',
- 'memsz', 'mode', 'numcpu', 'plat', 'time']
+ 'memsz', 'mode', 'numcpu', 'plat', 'time', 'wifi']
sysvals.vprint('System Info:')
for key in sorted(sysvals.stamp):
if key in shown:
sysvals.vprint(' %-8s : %s' % (key.upper(), sysvals.stamp[key]))
- if sysvals.kparams:
- sysvals.vprint('Kparams:\n %s' % sysvals.kparams)
sysvals.vprint('Command:\n %s' % sysvals.cmdline)
for data in testruns:
- if data.mcelog:
- sysvals.vprint('MCELOG Data:')
- for line in data.mcelog.split('\n'):
- sysvals.vprint(' %s' % line)
if data.turbostat:
idx, s = 0, 'Turbostat:\n '
for val in data.turbostat.split('|'):
@@ -5819,23 +5911,13 @@ def processData(live=False):
s += '\n '
s += val + ' '
sysvals.vprint(s)
- if data.battery:
- a1, c1, a2, c2 = data.battery
- s = 'Battery:\n Before - AC: %s, Charge: %d\n After - AC: %s, Charge: %d' % \
- (a1, int(c1), a2, int(c2))
- sysvals.vprint(s)
- if data.wifi:
- w = data.wifi.replace('|', ' ').split(',')
- s = 'Wifi:\n Before %s\n After %s' % \
- (w[0], w[1])
- sysvals.vprint(s)
data.printDetails()
- if len(sysvals.platinfo) > 0:
- sysvals.vprint('\nPlatform Info:')
- for info in sysvals.platinfo:
- sysvals.vprint(info[0]+' - '+info[1])
- sysvals.vprint(info[2])
- sysvals.vprint('')
+ if len(sysvals.platinfo) > 0:
+ sysvals.vprint('\nPlatform Info:')
+ for info in sysvals.platinfo:
+ sysvals.vprint('[%s - %s]' % (info[0], info[1]))
+ sysvals.vprint(info[2])
+ sysvals.vprint('')
if sysvals.cgdump:
for data in testruns:
data.debugPrint()
@@ -5845,7 +5927,8 @@ def processData(live=False):
return (testruns, {'error': 'timeline generation failed'})
sysvals.vprint('Creating the html timeline (%s)...' % sysvals.htmlfile)
createHTML(testruns, error)
- pprint('DONE')
+ if not quiet:
+ pprint('DONE')
data = testruns[0]
stamp = data.stamp
stamp['suspend'], stamp['resume'] = data.getTimeValues()
@@ -5872,31 +5955,28 @@ def rerunTest(htmlfile=''):
doError('a directory already exists with this name: %s' % sysvals.htmlfile)
elif not os.access(sysvals.htmlfile, os.W_OK):
doError('missing permission to write to %s' % sysvals.htmlfile)
- testruns, stamp = processData(False)
- sysvals.logmsg = ''
+ testruns, stamp = processData()
+ sysvals.resetlog()
return stamp
# Function: runTest
# Description:
# execute a suspend/resume, gather the logs, and generate the output
-def runTest(n=0):
+def runTest(n=0, quiet=False):
# prepare for the test
- sysvals.initFtrace()
+ sysvals.initFtrace(quiet)
sysvals.initTestOutput('suspend')
# execute the test
- testdata = executeSuspend()
+ executeSuspend(quiet)
sysvals.cleanupFtrace()
if sysvals.skiphtml:
+ sysvals.outputResult({}, n)
sysvals.sudoUserchown(sysvals.testdir)
return
- if not testdata[0]['error']:
- testruns, stamp = processData(True)
- for data in testruns:
- del data
- else:
- stamp = testdata[0]
-
+ testruns, stamp = processData(True, quiet)
+ for data in testruns:
+ del data
sysvals.sudoUserchown(sysvals.testdir)
sysvals.outputResult(stamp, n)
if 'error' in stamp:
@@ -5904,13 +5984,14 @@ def runTest(n=0):
return 0
def find_in_html(html, start, end, firstonly=True):
- n, out = 0, []
- while n < len(html):
- m = re.search(start, html[n:])
+ n, cnt, out = 0, len(html), []
+ while n < cnt:
+ e = cnt if (n + 10000 > cnt or n == 0) else n + 10000
+ m = re.search(start, html[n:e])
if not m:
break
i = m.end()
- m = re.search(end, html[n+i:])
+ m = re.search(end, html[n+i:e])
if not m:
break
j = m.start()
@@ -5945,7 +6026,7 @@ def data_from_html(file, outpath, issues, fulldetail=False):
tstr = dt.strftime('%Y/%m/%d %H:%M:%S')
error = find_in_html(html, '<table class="testfail"><tr><td>', '</td>')
if error:
- m = re.match('[a-z]* failed in (?P<p>[a-z0-9_]*) phase', error)
+ m = re.match('[a-z0-9]* failed in (?P<p>\S*).*', error)
if m:
result = 'fail in %s' % m.group('p')
else:
@@ -5974,6 +6055,9 @@ def data_from_html(file, outpath, issues, fulldetail=False):
elist[err[0]] += 1
for i in elist:
ilist.append('%sx%d' % (i, elist[i]) if elist[i] > 1 else i)
+ wifi = find_in_html(html, 'Wifi Resume: ', '</td>')
+ if wifi:
+ extra['wifi'] = wifi
low = find_in_html(html, 'freeze time: <b>', ' ms</b>')
if low and '|' in low:
issue = 'FREEZEx%d' % len(low.split('|'))
@@ -6048,13 +6132,15 @@ def genHtml(subdir, force=False):
for dirname, dirnames, filenames in os.walk(subdir):
sysvals.dmesgfile = sysvals.ftracefile = sysvals.htmlfile = ''
for filename in filenames:
- if(re.match('.*_dmesg.txt', filename)):
- sysvals.dmesgfile = os.path.join(dirname, filename)
- elif(re.match('.*_ftrace.txt', filename)):
- sysvals.ftracefile = os.path.join(dirname, filename)
+ file = os.path.join(dirname, filename)
+ if sysvals.usable(file):
+ if(re.match('.*_dmesg.txt', filename)):
+ sysvals.dmesgfile = file
+ elif(re.match('.*_ftrace.txt', filename)):
+ sysvals.ftracefile = file
sysvals.setOutputFile()
- if sysvals.ftracefile and sysvals.htmlfile and \
- (force or not os.path.exists(sysvals.htmlfile)):
+ if (sysvals.dmesgfile or sysvals.ftracefile) and sysvals.htmlfile and \
+ (force or not sysvals.usable(sysvals.htmlfile)):
pprint('FTRACE: %s' % sysvals.ftracefile)
if sysvals.dmesgfile:
pprint('DMESG : %s' % sysvals.dmesgfile)
@@ -6169,9 +6255,9 @@ def configFromFile(file):
sysvals.cgtest = getArgInt('cgtest', value, 0, 1, False)
elif(option == 'cgphase'):
d = Data(0)
- if value not in d.sortedPhases():
+ if value not in d.phasedef:
doError('invalid phase --> (%s: %s), valid phases are %s'\
- % (option, value, d.sortedPhases()), True)
+ % (option, value, d.phasedef.keys()), True)
sysvals.cgphase = value
elif(option == 'fadd'):
file = sysvals.configFile(value)
@@ -6184,9 +6270,7 @@ def configFromFile(file):
nums = value.split()
if len(nums) != 2:
doError('multi requires 2 integers (exec_count and delay)', True)
- sysvals.multitest['run'] = True
- sysvals.multitest['count'] = getArgInt('multi: n d (exec count)', nums[0], 2, 1000000, False)
- sysvals.multitest['delay'] = getArgInt('multi: n d (delay between tests)', nums[1], 0, 3600, False)
+ sysvals.multiinit(nums[0], nums[1])
elif(option == 'devicefilter'):
sysvals.setDeviceFilter(value)
elif(option == 'expandcg'):
@@ -6342,6 +6426,7 @@ def printHelp():
' -srgap Add a visible gap in the timeline between sus/res (default: disabled)\n'\
' -skiphtml Run the test and capture the trace logs, but skip the timeline (default: disabled)\n'\
' -result fn Export a results table to a text file for parsing.\n'\
+ ' -wifi If a wifi connection is available, check that it reconnects after resume.\n'\
' [testprep]\n'\
' -sync Sync the filesystems before starting the test\n'\
' -rs on/off Enable/disable runtime suspend for all devices, restore all after test\n'\
@@ -6356,8 +6441,10 @@ def printHelp():
' -predelay t Include t ms delay before 1st suspend (default: 0 ms)\n'\
' -postdelay t Include t ms delay after last resume (default: 0 ms)\n'\
' -mindev ms Discard all device blocks shorter than ms milliseconds (e.g. 0.001 for us)\n'\
- ' -multi n d Execute <n> consecutive tests at <d> seconds intervals. The outputs will\n'\
- ' be created in a new subdirectory with a summary page.\n'\
+ ' -multi n d Execute <n> consecutive tests at <d> seconds intervals. If <n> is followed\n'\
+ ' by a "d", "h", or "m" execute for <n> days, hours, or mins instead.\n'\
+ ' The outputs will be created in a new subdirectory with a summary page.\n'\
+ ' -maxfail n Abort a -multi run after n consecutive fails (default is 0 = never abort)\n'\
' [debug]\n'\
' -f Use ftrace to create device callgraphs (default: disabled)\n'\
' -ftop Use ftrace on the top level call: "%s" (default: disabled)\n'\
@@ -6379,11 +6466,11 @@ def printHelp():
' -modes List available suspend modes\n'\
' -status Test to see if the system is enabled to run this tool\n'\
' -fpdt Print out the contents of the ACPI Firmware Performance Data Table\n'\
- ' -battery Print out battery info (if available)\n'\
- ' -wifi Print out wifi connection info (if wireless-tools and device exists)\n'\
+ ' -wificheck Print out wifi connection info\n'\
' -x<mode> Test xset by toggling the given mode (on/off/standby/suspend)\n'\
' -sysinfo Print out system info extracted from BIOS\n'\
' -devinfo Print out the pm settings of all devices which support runtime suspend\n'\
+ ' -cmdinfo Print out all the platform info collected before and after suspend/resume\n'\
' -flist Print the list of functions currently being captured in ftrace\n'\
' -flistall Print all functions capable of being captured in ftrace\n'\
' -summary dir Create a summary of tests in this dir [-genhtml builds missing html]\n'\
@@ -6399,8 +6486,8 @@ if __name__ == '__main__':
genhtml = False
cmd = ''
simplecmds = ['-sysinfo', '-modes', '-fpdt', '-flist', '-flistall',
- '-devinfo', '-status', '-battery', '-xon', '-xoff', '-xstandby',
- '-xsuspend', '-xinit', '-xreset', '-xstat', '-wifi']
+ '-devinfo', '-status', '-xon', '-xoff', '-xstandby', '-xsuspend',
+ '-xinit', '-xreset', '-xstat', '-wificheck', '-cmdinfo']
if '-f' in sys.argv:
sysvals.cgskip = sysvals.configFile('cgskip.txt')
# loop through the command line arguments
@@ -6462,8 +6549,15 @@ if __name__ == '__main__':
sysvals.usedevsrc = True
elif(arg == '-sync'):
sysvals.sync = True
+ elif(arg == '-wifi'):
+ sysvals.wifi = True
elif(arg == '-gzip'):
sysvals.gzip = True
+ elif(arg == '-info'):
+ try:
+ val = next(args)
+ except:
+ doError('-info requires one string argument', True)
elif(arg == '-rs'):
try:
val = next(args)
@@ -6555,10 +6649,14 @@ if __name__ == '__main__':
sysvals.cgexp = True
elif(arg == '-srgap'):
sysvals.srgap = 5
+ elif(arg == '-maxfail'):
+ sysvals.maxfail = getArgInt('-maxfail', args, 0, 1000000)
elif(arg == '-multi'):
- sysvals.multitest['run'] = True
- sysvals.multitest['count'] = getArgInt('-multi n d (exec count)', args, 2, 1000000)
- sysvals.multitest['delay'] = getArgInt('-multi n d (delay between tests)', args, 0, 3600)
+ try:
+ c, d = next(args), next(args)
+ except:
+ doError('-multi requires two values', True)
+ sysvals.multiinit(c, d)
elif(arg == '-o'):
try:
val = next(args)
@@ -6655,13 +6753,6 @@ if __name__ == '__main__':
elif(cmd == 'fpdt'):
if not getFPDT(True):
ret = 1
- elif(cmd == 'battery'):
- out = getBattery()
- if out:
- pprint('AC Connect : %s\nBattery Charge: %d' % out)
- else:
- pprint('no battery found')
- ret = 1
elif(cmd == 'sysinfo'):
sysvals.printSystemInfo(True)
elif(cmd == 'devinfo'):
@@ -6679,13 +6770,15 @@ if __name__ == '__main__':
ret = displayControl(cmd[1:])
elif(cmd == 'xstat'):
pprint('Display Status: %s' % displayControl('stat').upper())
- elif(cmd == 'wifi'):
- out = sysvals.checkWifi()
- if 'device' not in out:
- pprint('WIFI interface not found')
+ elif(cmd == 'wificheck'):
+ dev = sysvals.checkWifi()
+ if dev:
+ print('%s is connected' % sysvals.wifiDetails(dev))
else:
- for key in sorted(out):
- pprint('%6s: %s' % (key.upper(), out[key]))
+ print('No wifi connection found')
+ elif(cmd == 'cmdinfo'):
+ for out in sysvals.cmdinfo(False, True):
+ print('[%s - %s]\n%s\n' % out)
sys.exit(ret)
# if instructed, re-analyze existing data files
@@ -6720,24 +6813,38 @@ if __name__ == '__main__':
setRuntimeSuspend(True)
if sysvals.display:
displayControl('init')
- ret = 0
+ failcnt, ret = 0, 0
if sysvals.multitest['run']:
# run multiple tests in a separate subdirectory
if not sysvals.outdir:
- s = 'suspend-x%d' % sysvals.multitest['count']
- sysvals.outdir = datetime.now().strftime(s+'-%y%m%d-%H%M%S')
+ if 'time' in sysvals.multitest:
+ s = '-%dm' % sysvals.multitest['time']
+ else:
+ s = '-x%d' % sysvals.multitest['count']
+ sysvals.outdir = datetime.now().strftime('suspend-%y%m%d-%H%M%S'+s)
if not os.path.isdir(sysvals.outdir):
os.makedirs(sysvals.outdir)
+ sysvals.sudoUserchown(sysvals.outdir)
+ finish = datetime.now()
+ if 'time' in sysvals.multitest:
+ finish += timedelta(minutes=sysvals.multitest['time'])
for i in range(sysvals.multitest['count']):
- if(i != 0):
+ sysvals.multistat(True, i, finish)
+ if i != 0 and sysvals.multitest['delay'] > 0:
pprint('Waiting %d seconds...' % (sysvals.multitest['delay']))
time.sleep(sysvals.multitest['delay'])
- pprint('TEST (%d/%d) START' % (i+1, sysvals.multitest['count']))
fmt = 'suspend-%y%m%d-%H%M%S'
sysvals.testdir = os.path.join(sysvals.outdir, datetime.now().strftime(fmt))
- ret = runTest(i+1)
- pprint('TEST (%d/%d) COMPLETE' % (i+1, sysvals.multitest['count']))
- sysvals.logmsg = ''
+ ret = runTest(i+1, True)
+ failcnt = 0 if not ret else failcnt + 1
+ if sysvals.maxfail > 0 and failcnt >= sysvals.maxfail:
+ pprint('Maximum fail count of %d reached, aborting multitest' % (sysvals.maxfail))
+ break
+ time.sleep(5)
+ sysvals.resetlog()
+ sysvals.multistat(False, i, finish)
+ if 'time' in sysvals.multitest and datetime.now() >= finish:
+ break
if not sysvals.skiphtml:
runSummary(sysvals.outdir, False, False)
sysvals.sudoUserchown(sysvals.outdir)
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index b73763489410..9f68f51ca652 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -15,7 +15,7 @@ struct process_cmd_struct {
int arg;
};
-static const char *version_str = "v1.3";
+static const char *version_str = "v1.4";
static const int supported_api_ver = 1;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
@@ -25,7 +25,7 @@ static FILE *outf;
static int cpu_model;
static int cpu_stepping;
-#define MAX_CPUS_IN_ONE_REQ 64
+#define MAX_CPUS_IN_ONE_REQ 256
static short max_target_cpus;
static unsigned short target_cpus[MAX_CPUS_IN_ONE_REQ];
@@ -653,7 +653,7 @@ void set_cpu_mask_from_punit_coremask(int cpu, unsigned long long core_mask,
pkg_id = get_physical_package_id(cpu);
for (i = 0; i < 64; ++i) {
- if (core_mask & BIT(i)) {
+ if (core_mask & BIT_ULL(i)) {
int j;
for (j = 0; j < topo_max_cpus; ++j) {
@@ -1169,6 +1169,7 @@ static void dump_clx_n_config_for_cpu(int cpu, void *arg1, void *arg2,
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
pbf_info = &ctdp_level->pbf_info;
+ clx_n_pkg_dev.processed = 1;
isst_ctdp_display_information(cpu, outf, tdp_level, &clx_n_pkg_dev);
free_cpu_set(ctdp_level->core_cpumask);
free_cpu_set(pbf_info->core_cpumask);
@@ -1631,6 +1632,8 @@ static int set_pbf_core_power(int cpu)
static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
+ struct isst_pkg_ctdp_level_info ctdp_level;
+ struct isst_pkg_ctdp pkg_dev;
int ret;
int status = *(int *)arg4;
@@ -1646,6 +1649,24 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
goto disp_result;
}
+ ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+ if (ret) {
+ isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
+ goto disp_result;
+ }
+
+ ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
+ if (ret) {
+ isst_display_error_info_message(1, "Failed to get current level", 0, 0);
+ goto disp_result;
+ }
+
+ if (!ctdp_level.pbf_support) {
+ isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, pkg_dev.current_level);
+ ret = -1;
+ goto disp_result;
+ }
+
if (auto_mode && status) {
ret = set_pbf_core_power(cpu);
if (ret)
@@ -1772,10 +1793,30 @@ static void dump_fact_config(int arg)
static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
+ struct isst_pkg_ctdp_level_info ctdp_level;
+ struct isst_pkg_ctdp pkg_dev;
int ret;
int status = *(int *)arg4;
- if (auto_mode && status) {
+ ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+ if (ret) {
+ isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
+ goto disp_results;
+ }
+
+ ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
+ if (ret) {
+ isst_display_error_info_message(1, "Failed to get current level", 0, 0);
+ goto disp_results;
+ }
+
+ if (!ctdp_level.fact_support) {
+ isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, pkg_dev.current_level);
+ ret = -1;
+ goto disp_results;
+ }
+
+ if (status) {
ret = isst_pm_qos_config(cpu, 1, 1);
if (ret)
goto disp_results;
diff --git a/tools/power/x86/intel-speed-select/isst-core.c b/tools/power/x86/intel-speed-select/isst-core.c
index 67c9b1139631..a7f4337c5777 100644
--- a/tools/power/x86/intel-speed-select/isst-core.c
+++ b/tools/power/x86/intel-speed-select/isst-core.c
@@ -912,16 +912,16 @@ int isst_pm_qos_config(int cpu, int enable_clos, int priority_type)
return ret;
if (ctdp_level.fact_enabled) {
- debug_printf("Turbo-freq feature must be disabled first\n");
+ isst_display_error_info_message(1, "Ignoring request, turbo-freq feature is still enabled", 0, 0);
return -EINVAL;
}
ret = isst_write_pm_config(cpu, 0);
if (ret)
- isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error\n", 0, 0);
+ isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
} else {
ret = isst_write_pm_config(cpu, 1);
if (ret)
- isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error\n", 0, 0);
+ isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
}
ret = isst_send_mbox_command(cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
diff --git a/tools/power/x86/intel-speed-select/isst-display.c b/tools/power/x86/intel-speed-select/isst-display.c
index 51dbaa5f02ec..e105fece47b6 100644
--- a/tools/power/x86/intel-speed-select/isst-display.c
+++ b/tools/power/x86/intel-speed-select/isst-display.c
@@ -316,21 +316,31 @@ void isst_ctdp_display_core_info(int cpu, FILE *outf, char *prefix,
{
char header[256];
char value[256];
+ int level = 1;
+
+ if (out_format_is_json()) {
+ snprintf(header, sizeof(header), "package-%d:die-%d:cpu-%d",
+ get_physical_package_id(cpu), get_physical_die_id(cpu),
+ cpu);
+ format_and_print(outf, level++, header, NULL);
+ } else {
+ snprintf(header, sizeof(header), "package-%d",
+ get_physical_package_id(cpu));
+ format_and_print(outf, level++, header, NULL);
+ snprintf(header, sizeof(header), "die-%d",
+ get_physical_die_id(cpu));
+ format_and_print(outf, level++, header, NULL);
+ snprintf(header, sizeof(header), "cpu-%d", cpu);
+ format_and_print(outf, level++, header, NULL);
+ }
- snprintf(header, sizeof(header), "package-%d",
- get_physical_package_id(cpu));
- format_and_print(outf, 1, header, NULL);
- snprintf(header, sizeof(header), "die-%d", get_physical_die_id(cpu));
- format_and_print(outf, 2, header, NULL);
- snprintf(header, sizeof(header), "cpu-%d", cpu);
- format_and_print(outf, 3, header, NULL);
if (str0 && !val)
snprintf(value, sizeof(value), "%s", str0);
else if (str1 && val)
snprintf(value, sizeof(value), "%s", str1);
else
snprintf(value, sizeof(value), "%u", val);
- format_and_print(outf, 4, prefix, value);
+ format_and_print(outf, level, prefix, value);
format_and_print(outf, 1, NULL, NULL);
}
@@ -470,7 +480,7 @@ void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
_isst_pbf_display_information(cpu, outf,
tdp_level,
&ctdp_level->pbf_info,
- level + 1);
+ level + 2);
continue;
}
diff --git a/tools/power/x86/intel-speed-select/isst.h b/tools/power/x86/intel-speed-select/isst.h
index 2e1afd856a78..094ba4589a9c 100644
--- a/tools/power/x86/intel-speed-select/isst.h
+++ b/tools/power/x86/intel-speed-select/isst.h
@@ -29,6 +29,7 @@
#include <sys/ioctl.h>
#define BIT(x) (1 << (x))
+#define BIT_ULL(nr) (1ULL << (nr))
#define GENMASK(h, l) (((~0UL) << (l)) & (~0UL >> (sizeof(long) * 8 - 1 - (h))))
#define GENMASK_ULL(h, l) \
(((~0ULL) << (l)) & (~0ULL >> (sizeof(long long) * 8 - 1 - (h))))
diff --git a/tools/spi/Makefile b/tools/spi/Makefile
index 2249a1546cc1..ada881afb489 100644
--- a/tools/spi/Makefile
+++ b/tools/spi/Makefile
@@ -52,7 +52,9 @@ $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN)
clean:
rm -f $(ALL_PROGRAMS)
rm -rf $(OUTPUT)include/
- find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+ find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete
+ find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.d' -delete
+ find $(if $(OUTPUT),$(OUTPUT),.) -name '\.*.o.cmd' -delete
install: $(ALL_PROGRAMS)
install -d -m 755 $(DESTDIR)$(bindir); \
diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c
index 27967dd90f8f..eec23fa693bd 100644
--- a/tools/spi/spidev_test.c
+++ b/tools/spi/spidev_test.c
@@ -128,18 +128,22 @@ static void transfer(int fd, uint8_t const *tx, uint8_t const *rx, size_t len)
.bits_per_word = bits,
};
- if (mode & SPI_TX_QUAD)
+ if (mode & SPI_TX_OCTAL)
+ tr.tx_nbits = 8;
+ else if (mode & SPI_TX_QUAD)
tr.tx_nbits = 4;
else if (mode & SPI_TX_DUAL)
tr.tx_nbits = 2;
- if (mode & SPI_RX_QUAD)
+ if (mode & SPI_RX_OCTAL)
+ tr.rx_nbits = 8;
+ else if (mode & SPI_RX_QUAD)
tr.rx_nbits = 4;
else if (mode & SPI_RX_DUAL)
tr.rx_nbits = 2;
if (!(mode & SPI_LOOP)) {
- if (mode & (SPI_TX_QUAD | SPI_TX_DUAL))
+ if (mode & (SPI_TX_OCTAL | SPI_TX_QUAD | SPI_TX_DUAL))
tr.rx_buf = 0;
- else if (mode & (SPI_RX_QUAD | SPI_RX_DUAL))
+ else if (mode & (SPI_RX_OCTAL | SPI_RX_QUAD | SPI_RX_DUAL))
tr.tx_buf = 0;
}
@@ -187,6 +191,7 @@ static void print_usage(const char *prog)
" -R --ready slave pulls low to pause\n"
" -2 --dual dual transfer\n"
" -4 --quad quad transfer\n"
+ " -8 --octal octal transfer\n"
" -S --size transfer size\n"
" -I --iter iterations\n");
exit(1);
@@ -213,13 +218,14 @@ static void parse_opts(int argc, char *argv[])
{ "dual", 0, 0, '2' },
{ "verbose", 0, 0, 'v' },
{ "quad", 0, 0, '4' },
+ { "octal", 0, 0, '8' },
{ "size", 1, 0, 'S' },
{ "iter", 1, 0, 'I' },
{ NULL, 0, 0, 0 },
};
int c;
- c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR24p:vS:I:",
+ c = getopt_long(argc, argv, "D:s:d:b:i:o:lHOLC3NR248p:vS:I:",
lopts, NULL);
if (c == -1)
@@ -280,6 +286,9 @@ static void parse_opts(int argc, char *argv[])
case '4':
mode |= SPI_TX_QUAD;
break;
+ case '8':
+ mode |= SPI_TX_OCTAL;
+ break;
case 'S':
transfer_size = atoi(optarg);
break;
@@ -295,6 +304,8 @@ static void parse_opts(int argc, char *argv[])
mode |= SPI_RX_DUAL;
if (mode & SPI_TX_QUAD)
mode |= SPI_RX_QUAD;
+ if (mode & SPI_TX_OCTAL)
+ mode |= SPI_RX_OCTAL;
}
}
diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore
index c30079c86998..1bb204cee853 100644
--- a/tools/testing/selftests/bpf/.gitignore
+++ b/tools/testing/selftests/bpf/.gitignore
@@ -30,8 +30,6 @@ test_tcpnotify_user
test_libbpf
test_tcp_check_syncookie_user
test_sysctl
-test_hashmap
-test_btf_dump
test_current_pid_tgid_new_ns
xdping
test_cpp
@@ -39,4 +37,5 @@ test_cpp
/no_alu32
/bpf_gcc
/tools
-
+/runqslower
+/bench
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 7729892e0b04..22aaec74ea0a 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -2,6 +2,8 @@
include ../../../../scripts/Kbuild.include
include ../../../scripts/Makefile.arch
+CXX ?= $(CROSS_COMPILE)g++
+
CURDIR := $(abspath .)
TOOLSDIR := $(abspath ../../..)
LIBDIR := $(TOOLSDIR)/lib
@@ -20,9 +22,10 @@ CLANG ?= clang
LLC ?= llc
LLVM_OBJCOPY ?= llvm-objcopy
BPF_GCC ?= $(shell command -v bpf-gcc;)
-CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) -I$(CURDIR) \
- -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) -I$(TOOLSINCDIR) \
- -I$(APIDIR) \
+SAN_CFLAGS ?=
+CFLAGS += -g -rdynamic -Wall -O2 $(GENFLAGS) $(SAN_CFLAGS) \
+ -I$(CURDIR) -I$(INCLUDE_DIR) -I$(GENDIR) -I$(LIBDIR) \
+ -I$(TOOLSINCDIR) -I$(APIDIR) \
-Dbpf_prog_load=bpf_prog_test_load \
-Dbpf_load_program=bpf_test_load_program
LDLIBS += -lcap -lelf -lz -lrt -lpthread
@@ -32,7 +35,7 @@ TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test
test_align test_verifier_log test_dev_cgroup test_tcpbpf_user \
test_sock test_btf test_sockmap get_cgroup_id_user test_socket_cookie \
test_cgroup_storage \
- test_netcnt test_tcpnotify_user test_sock_fields test_sysctl test_hashmap \
+ test_netcnt test_tcpnotify_user test_sock_fields test_sysctl \
test_progs-no_alu32 \
test_current_pid_tgid_new_ns
@@ -76,7 +79,7 @@ TEST_PROGS_EXTENDED := with_addr.sh \
# Compile but not part of 'make run_tests'
TEST_GEN_PROGS_EXTENDED = test_sock_addr test_skb_cgroup_id_user \
flow_dissector_load test_flow_dissector test_tcp_check_syncookie_user \
- test_lirc_mode2_user xdping test_cpp runqslower
+ test_lirc_mode2_user xdping test_cpp runqslower bench
TEST_CUSTOM_PROGS = urandom_read
@@ -141,7 +144,8 @@ VMLINUX_BTF := $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
$(OUTPUT)/runqslower: $(BPFOBJ)
$(Q)$(MAKE) $(submake_extras) -C $(TOOLSDIR)/bpf/runqslower \
OUTPUT=$(SCRATCH_DIR)/ VMLINUX_BTF=$(VMLINUX_BTF) \
- BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR)
+ BPFOBJ=$(BPFOBJ) BPF_INCLUDE=$(INCLUDE_DIR) && \
+ cp $(SCRATCH_DIR)/runqslower $@
$(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED): $(OUTPUT)/test_stub.o $(BPFOBJ)
@@ -241,7 +245,7 @@ define GCC_BPF_BUILD_RULE
$(BPF_GCC) $3 $4 -O2 -c $1 -o $2
endef
-SKEL_BLACKLIST := btf__% test_pinning_invalid.c
+SKEL_BLACKLIST := btf__% test_pinning_invalid.c test_sk_assign.c
# Set up extra TRUNNER_XXX "temporary" variables in the environment (relies on
# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
@@ -263,6 +267,7 @@ TRUNNER_BPF_OBJS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.o, $$(TRUNNER_BPF_SRCS)
TRUNNER_BPF_SKELS := $$(patsubst %.c,$$(TRUNNER_OUTPUT)/%.skel.h, \
$$(filter-out $(SKEL_BLACKLIST), \
$$(TRUNNER_BPF_SRCS)))
+TEST_GEN_FILES += $$(TRUNNER_BPF_OBJS)
# Evaluate rules now with extra TRUNNER_XXX variables above already defined
$$(eval $$(call DEFINE_TEST_RUNNER_RULES,$1,$2))
@@ -323,7 +328,7 @@ $(TRUNNER_TEST_OBJS): $(TRUNNER_OUTPUT)/%.test.o: \
$(TRUNNER_BPF_SKELS) \
$$(BPFOBJ) | $(TRUNNER_OUTPUT)
$$(call msg,TEST-OBJ,$(TRUNNER_BINARY),$$@)
- cd $$(@D) && $$(CC) $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
+ cd $$(@D) && $$(CC) -I. $$(CFLAGS) -c $(CURDIR)/$$< $$(LDLIBS) -o $$(@F)
$(TRUNNER_EXTRA_OBJS): $(TRUNNER_OUTPUT)/%.o: \
%.c \
@@ -352,6 +357,7 @@ endef
TRUNNER_TESTS_DIR := prog_tests
TRUNNER_BPF_PROGS_DIR := progs
TRUNNER_EXTRA_SOURCES := test_progs.c cgroup_helpers.c trace_helpers.c \
+ network_helpers.c testing_helpers.c \
flow_dissector_load.h
TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read \
$(wildcard progs/btf_dump_test_case_*.c)
@@ -403,6 +409,24 @@ $(OUTPUT)/test_cpp: test_cpp.cpp $(OUTPUT)/test_core_extern.skel.h $(BPFOBJ)
$(call msg,CXX,,$@)
$(CXX) $(CFLAGS) $^ $(LDLIBS) -o $@
+# Benchmark runner
+$(OUTPUT)/bench_%.o: benchs/bench_%.c bench.h
+ $(call msg,CC,,$@)
+ $(CC) $(CFLAGS) -c $(filter %.c,$^) $(LDLIBS) -o $@
+$(OUTPUT)/bench_rename.o: $(OUTPUT)/test_overhead.skel.h
+$(OUTPUT)/bench_trigger.o: $(OUTPUT)/trigger_bench.skel.h
+$(OUTPUT)/bench_ringbufs.o: $(OUTPUT)/ringbuf_bench.skel.h \
+ $(OUTPUT)/perfbuf_bench.skel.h
+$(OUTPUT)/bench.o: bench.h testing_helpers.h
+$(OUTPUT)/bench: LDLIBS += -lm
+$(OUTPUT)/bench: $(OUTPUT)/bench.o $(OUTPUT)/testing_helpers.o \
+ $(OUTPUT)/bench_count.o \
+ $(OUTPUT)/bench_rename.o \
+ $(OUTPUT)/bench_trigger.o \
+ $(OUTPUT)/bench_ringbufs.o
+ $(call msg,BINARY,,$@)
+ $(CC) $(LDFLAGS) -o $@ $(filter %.a %.o,$^) $(LDLIBS)
+
EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) \
prog_tests/tests.h map_tests/tests.h verifier/tests.h \
feature \
diff --git a/tools/testing/selftests/bpf/README.rst b/tools/testing/selftests/bpf/README.rst
new file mode 100644
index 000000000000..e885d351595f
--- /dev/null
+++ b/tools/testing/selftests/bpf/README.rst
@@ -0,0 +1,45 @@
+==================
+BPF Selftest Notes
+==================
+General instructions on running selftests can be found in
+`Documentation/bpf/bpf_devel_QA.rst`_.
+
+Additional information about selftest failures are
+documented here.
+
+bpf_iter test failures with clang/llvm 10.0.0
+=============================================
+
+With clang/llvm 10.0.0, the following two bpf_iter tests failed:
+ * ``bpf_iter/ipv6_route``
+ * ``bpf_iter/netlink``
+
+The symptom for ``bpf_iter/ipv6_route`` looks like
+
+.. code-block:: c
+
+ 2: (79) r8 = *(u64 *)(r1 +8)
+ ...
+ 14: (bf) r2 = r8
+ 15: (0f) r2 += r1
+ ; BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
+ 16: (7b) *(u64 *)(r8 +64) = r2
+ only read is supported
+
+The symptom for ``bpf_iter/netlink`` looks like
+
+.. code-block:: c
+
+ ; struct netlink_sock *nlk = ctx->sk;
+ 2: (79) r7 = *(u64 *)(r1 +8)
+ ...
+ 15: (bf) r2 = r7
+ 16: (0f) r2 += r1
+ ; BPF_SEQ_PRINTF(seq, "%pK %-3d ", s, s->sk_protocol);
+ 17: (7b) *(u64 *)(r7 +0) = r2
+ only read is supported
+
+This is due to a llvm BPF backend bug. The fix
+ https://reviews.llvm.org/D78466
+has been pushed to llvm 10.x release branch and will be
+available in 10.0.1. The fix is available in llvm 11.0.0 trunk.
diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c
new file mode 100644
index 000000000000..944ad4721c83
--- /dev/null
+++ b/tools/testing/selftests/bpf/bench.c
@@ -0,0 +1,465 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define _GNU_SOURCE
+#include <argp.h>
+#include <linux/compiler.h>
+#include <sys/time.h>
+#include <sched.h>
+#include <fcntl.h>
+#include <pthread.h>
+#include <sys/sysinfo.h>
+#include <sys/resource.h>
+#include <signal.h>
+#include "bench.h"
+#include "testing_helpers.h"
+
+struct env env = {
+ .warmup_sec = 1,
+ .duration_sec = 5,
+ .affinity = false,
+ .consumer_cnt = 1,
+ .producer_cnt = 1,
+};
+
+static int libbpf_print_fn(enum libbpf_print_level level,
+ const char *format, va_list args)
+{
+ if (level == LIBBPF_DEBUG && !env.verbose)
+ return 0;
+ return vfprintf(stderr, format, args);
+}
+
+static int bump_memlock_rlimit(void)
+{
+ struct rlimit rlim_new = {
+ .rlim_cur = RLIM_INFINITY,
+ .rlim_max = RLIM_INFINITY,
+ };
+
+ return setrlimit(RLIMIT_MEMLOCK, &rlim_new);
+}
+
+void setup_libbpf()
+{
+ int err;
+
+ libbpf_set_print(libbpf_print_fn);
+
+ err = bump_memlock_rlimit();
+ if (err)
+ fprintf(stderr, "failed to increase RLIMIT_MEMLOCK: %d", err);
+}
+
+void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns)
+{
+ double hits_per_sec, drops_per_sec;
+ double hits_per_prod;
+
+ hits_per_sec = res->hits / 1000000.0 / (delta_ns / 1000000000.0);
+ hits_per_prod = hits_per_sec / env.producer_cnt;
+ drops_per_sec = res->drops / 1000000.0 / (delta_ns / 1000000000.0);
+
+ printf("Iter %3d (%7.3lfus): ",
+ iter, (delta_ns - 1000000000) / 1000.0);
+
+ printf("hits %8.3lfM/s (%7.3lfM/prod), drops %8.3lfM/s\n",
+ hits_per_sec, hits_per_prod, drops_per_sec);
+}
+
+void hits_drops_report_final(struct bench_res res[], int res_cnt)
+{
+ int i;
+ double hits_mean = 0.0, drops_mean = 0.0;
+ double hits_stddev = 0.0, drops_stddev = 0.0;
+
+ for (i = 0; i < res_cnt; i++) {
+ hits_mean += res[i].hits / 1000000.0 / (0.0 + res_cnt);
+ drops_mean += res[i].drops / 1000000.0 / (0.0 + res_cnt);
+ }
+
+ if (res_cnt > 1) {
+ for (i = 0; i < res_cnt; i++) {
+ hits_stddev += (hits_mean - res[i].hits / 1000000.0) *
+ (hits_mean - res[i].hits / 1000000.0) /
+ (res_cnt - 1.0);
+ drops_stddev += (drops_mean - res[i].drops / 1000000.0) *
+ (drops_mean - res[i].drops / 1000000.0) /
+ (res_cnt - 1.0);
+ }
+ hits_stddev = sqrt(hits_stddev);
+ drops_stddev = sqrt(drops_stddev);
+ }
+ printf("Summary: hits %8.3lf \u00B1 %5.3lfM/s (%7.3lfM/prod), ",
+ hits_mean, hits_stddev, hits_mean / env.producer_cnt);
+ printf("drops %8.3lf \u00B1 %5.3lfM/s\n",
+ drops_mean, drops_stddev);
+}
+
+const char *argp_program_version = "benchmark";
+const char *argp_program_bug_address = "<bpf@vger.kernel.org>";
+const char argp_program_doc[] =
+"benchmark Generic benchmarking framework.\n"
+"\n"
+"This tool runs benchmarks.\n"
+"\n"
+"USAGE: benchmark <bench-name>\n"
+"\n"
+"EXAMPLES:\n"
+" # run 'count-local' benchmark with 1 producer and 1 consumer\n"
+" benchmark count-local\n"
+" # run 'count-local' with 16 producer and 8 consumer thread, pinned to CPUs\n"
+" benchmark -p16 -c8 -a count-local\n";
+
+enum {
+ ARG_PROD_AFFINITY_SET = 1000,
+ ARG_CONS_AFFINITY_SET = 1001,
+};
+
+static const struct argp_option opts[] = {
+ { "list", 'l', NULL, 0, "List available benchmarks"},
+ { "duration", 'd', "SEC", 0, "Duration of benchmark, seconds"},
+ { "warmup", 'w', "SEC", 0, "Warm-up period, seconds"},
+ { "producers", 'p', "NUM", 0, "Number of producer threads"},
+ { "consumers", 'c', "NUM", 0, "Number of consumer threads"},
+ { "verbose", 'v', NULL, 0, "Verbose debug output"},
+ { "affinity", 'a', NULL, 0, "Set consumer/producer thread affinity"},
+ { "prod-affinity", ARG_PROD_AFFINITY_SET, "CPUSET", 0,
+ "Set of CPUs for producer threads; implies --affinity"},
+ { "cons-affinity", ARG_CONS_AFFINITY_SET, "CPUSET", 0,
+ "Set of CPUs for consumer threads; implies --affinity"},
+ {},
+};
+
+extern struct argp bench_ringbufs_argp;
+
+static const struct argp_child bench_parsers[] = {
+ { &bench_ringbufs_argp, 0, "Ring buffers benchmark", 0 },
+ {},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+ static int pos_args;
+
+ switch (key) {
+ case 'v':
+ env.verbose = true;
+ break;
+ case 'l':
+ env.list = true;
+ break;
+ case 'd':
+ env.duration_sec = strtol(arg, NULL, 10);
+ if (env.duration_sec <= 0) {
+ fprintf(stderr, "Invalid duration: %s\n", arg);
+ argp_usage(state);
+ }
+ break;
+ case 'w':
+ env.warmup_sec = strtol(arg, NULL, 10);
+ if (env.warmup_sec <= 0) {
+ fprintf(stderr, "Invalid warm-up duration: %s\n", arg);
+ argp_usage(state);
+ }
+ break;
+ case 'p':
+ env.producer_cnt = strtol(arg, NULL, 10);
+ if (env.producer_cnt <= 0) {
+ fprintf(stderr, "Invalid producer count: %s\n", arg);
+ argp_usage(state);
+ }
+ break;
+ case 'c':
+ env.consumer_cnt = strtol(arg, NULL, 10);
+ if (env.consumer_cnt <= 0) {
+ fprintf(stderr, "Invalid consumer count: %s\n", arg);
+ argp_usage(state);
+ }
+ break;
+ case 'a':
+ env.affinity = true;
+ break;
+ case ARG_PROD_AFFINITY_SET:
+ env.affinity = true;
+ if (parse_num_list(arg, &env.prod_cpus.cpus,
+ &env.prod_cpus.cpus_len)) {
+ fprintf(stderr, "Invalid format of CPU set for producers.");
+ argp_usage(state);
+ }
+ break;
+ case ARG_CONS_AFFINITY_SET:
+ env.affinity = true;
+ if (parse_num_list(arg, &env.cons_cpus.cpus,
+ &env.cons_cpus.cpus_len)) {
+ fprintf(stderr, "Invalid format of CPU set for consumers.");
+ argp_usage(state);
+ }
+ break;
+ case ARGP_KEY_ARG:
+ if (pos_args++) {
+ fprintf(stderr,
+ "Unrecognized positional argument: %s\n", arg);
+ argp_usage(state);
+ }
+ env.bench_name = strdup(arg);
+ break;
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+static void parse_cmdline_args(int argc, char **argv)
+{
+ static const struct argp argp = {
+ .options = opts,
+ .parser = parse_arg,
+ .doc = argp_program_doc,
+ .children = bench_parsers,
+ };
+ if (argp_parse(&argp, argc, argv, 0, NULL, NULL))
+ exit(1);
+ if (!env.list && !env.bench_name) {
+ argp_help(&argp, stderr, ARGP_HELP_DOC, "bench");
+ exit(1);
+ }
+}
+
+static void collect_measurements(long delta_ns);
+
+static __u64 last_time_ns;
+static void sigalarm_handler(int signo)
+{
+ long new_time_ns = get_time_ns();
+ long delta_ns = new_time_ns - last_time_ns;
+
+ collect_measurements(delta_ns);
+
+ last_time_ns = new_time_ns;
+}
+
+/* set up periodic 1-second timer */
+static void setup_timer()
+{
+ static struct sigaction sigalarm_action = {
+ .sa_handler = sigalarm_handler,
+ };
+ struct itimerval timer_settings = {};
+ int err;
+
+ last_time_ns = get_time_ns();
+ err = sigaction(SIGALRM, &sigalarm_action, NULL);
+ if (err < 0) {
+ fprintf(stderr, "failed to install SIGALRM handler: %d\n", -errno);
+ exit(1);
+ }
+ timer_settings.it_interval.tv_sec = 1;
+ timer_settings.it_value.tv_sec = 1;
+ err = setitimer(ITIMER_REAL, &timer_settings, NULL);
+ if (err < 0) {
+ fprintf(stderr, "failed to arm interval timer: %d\n", -errno);
+ exit(1);
+ }
+}
+
+static void set_thread_affinity(pthread_t thread, int cpu)
+{
+ cpu_set_t cpuset;
+
+ CPU_ZERO(&cpuset);
+ CPU_SET(cpu, &cpuset);
+ if (pthread_setaffinity_np(thread, sizeof(cpuset), &cpuset)) {
+ fprintf(stderr, "setting affinity to CPU #%d failed: %d\n",
+ cpu, errno);
+ exit(1);
+ }
+}
+
+static int next_cpu(struct cpu_set *cpu_set)
+{
+ if (cpu_set->cpus) {
+ int i;
+
+ /* find next available CPU */
+ for (i = cpu_set->next_cpu; i < cpu_set->cpus_len; i++) {
+ if (cpu_set->cpus[i]) {
+ cpu_set->next_cpu = i + 1;
+ return i;
+ }
+ }
+ fprintf(stderr, "Not enough CPUs specified, need CPU #%d or higher.\n", i);
+ exit(1);
+ }
+
+ return cpu_set->next_cpu++;
+}
+
+static struct bench_state {
+ int res_cnt;
+ struct bench_res *results;
+ pthread_t *consumers;
+ pthread_t *producers;
+} state;
+
+const struct bench *bench = NULL;
+
+extern const struct bench bench_count_global;
+extern const struct bench bench_count_local;
+extern const struct bench bench_rename_base;
+extern const struct bench bench_rename_kprobe;
+extern const struct bench bench_rename_kretprobe;
+extern const struct bench bench_rename_rawtp;
+extern const struct bench bench_rename_fentry;
+extern const struct bench bench_rename_fexit;
+extern const struct bench bench_rename_fmodret;
+extern const struct bench bench_trig_base;
+extern const struct bench bench_trig_tp;
+extern const struct bench bench_trig_rawtp;
+extern const struct bench bench_trig_kprobe;
+extern const struct bench bench_trig_fentry;
+extern const struct bench bench_trig_fmodret;
+extern const struct bench bench_rb_libbpf;
+extern const struct bench bench_rb_custom;
+extern const struct bench bench_pb_libbpf;
+extern const struct bench bench_pb_custom;
+
+static const struct bench *benchs[] = {
+ &bench_count_global,
+ &bench_count_local,
+ &bench_rename_base,
+ &bench_rename_kprobe,
+ &bench_rename_kretprobe,
+ &bench_rename_rawtp,
+ &bench_rename_fentry,
+ &bench_rename_fexit,
+ &bench_rename_fmodret,
+ &bench_trig_base,
+ &bench_trig_tp,
+ &bench_trig_rawtp,
+ &bench_trig_kprobe,
+ &bench_trig_fentry,
+ &bench_trig_fmodret,
+ &bench_rb_libbpf,
+ &bench_rb_custom,
+ &bench_pb_libbpf,
+ &bench_pb_custom,
+};
+
+static void setup_benchmark()
+{
+ int i, err;
+
+ if (!env.bench_name) {
+ fprintf(stderr, "benchmark name is not specified\n");
+ exit(1);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(benchs); i++) {
+ if (strcmp(benchs[i]->name, env.bench_name) == 0) {
+ bench = benchs[i];
+ break;
+ }
+ }
+ if (!bench) {
+ fprintf(stderr, "benchmark '%s' not found\n", env.bench_name);
+ exit(1);
+ }
+
+ printf("Setting up benchmark '%s'...\n", bench->name);
+
+ state.producers = calloc(env.producer_cnt, sizeof(*state.producers));
+ state.consumers = calloc(env.consumer_cnt, sizeof(*state.consumers));
+ state.results = calloc(env.duration_sec + env.warmup_sec + 2,
+ sizeof(*state.results));
+ if (!state.producers || !state.consumers || !state.results)
+ exit(1);
+
+ if (bench->validate)
+ bench->validate();
+ if (bench->setup)
+ bench->setup();
+
+ for (i = 0; i < env.consumer_cnt; i++) {
+ err = pthread_create(&state.consumers[i], NULL,
+ bench->consumer_thread, (void *)(long)i);
+ if (err) {
+ fprintf(stderr, "failed to create consumer thread #%d: %d\n",
+ i, -errno);
+ exit(1);
+ }
+ if (env.affinity)
+ set_thread_affinity(state.consumers[i],
+ next_cpu(&env.cons_cpus));
+ }
+
+ /* unless explicit producer CPU list is specified, continue after
+ * last consumer CPU
+ */
+ if (!env.prod_cpus.cpus)
+ env.prod_cpus.next_cpu = env.cons_cpus.next_cpu;
+
+ for (i = 0; i < env.producer_cnt; i++) {
+ err = pthread_create(&state.producers[i], NULL,
+ bench->producer_thread, (void *)(long)i);
+ if (err) {
+ fprintf(stderr, "failed to create producer thread #%d: %d\n",
+ i, -errno);
+ exit(1);
+ }
+ if (env.affinity)
+ set_thread_affinity(state.producers[i],
+ next_cpu(&env.prod_cpus));
+ }
+
+ printf("Benchmark '%s' started.\n", bench->name);
+}
+
+static pthread_mutex_t bench_done_mtx = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t bench_done = PTHREAD_COND_INITIALIZER;
+
+static void collect_measurements(long delta_ns) {
+ int iter = state.res_cnt++;
+ struct bench_res *res = &state.results[iter];
+
+ bench->measure(res);
+
+ if (bench->report_progress)
+ bench->report_progress(iter, res, delta_ns);
+
+ if (iter == env.duration_sec + env.warmup_sec) {
+ pthread_mutex_lock(&bench_done_mtx);
+ pthread_cond_signal(&bench_done);
+ pthread_mutex_unlock(&bench_done_mtx);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ parse_cmdline_args(argc, argv);
+
+ if (env.list) {
+ int i;
+
+ printf("Available benchmarks:\n");
+ for (i = 0; i < ARRAY_SIZE(benchs); i++) {
+ printf("- %s\n", benchs[i]->name);
+ }
+ return 0;
+ }
+
+ setup_benchmark();
+
+ setup_timer();
+
+ pthread_mutex_lock(&bench_done_mtx);
+ pthread_cond_wait(&bench_done, &bench_done_mtx);
+ pthread_mutex_unlock(&bench_done_mtx);
+
+ if (bench->report_final)
+ /* skip first sample */
+ bench->report_final(state.results + env.warmup_sec,
+ state.res_cnt - env.warmup_sec);
+
+ return 0;
+}
+
diff --git a/tools/testing/selftests/bpf/bench.h b/tools/testing/selftests/bpf/bench.h
new file mode 100644
index 000000000000..c1f48a473b02
--- /dev/null
+++ b/tools/testing/selftests/bpf/bench.h
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#pragma once
+#include <stdlib.h>
+#include <stdbool.h>
+#include <linux/err.h>
+#include <errno.h>
+#include <unistd.h>
+#include <bpf/bpf.h>
+#include <bpf/libbpf.h>
+#include <math.h>
+#include <time.h>
+#include <sys/syscall.h>
+
+struct cpu_set {
+ bool *cpus;
+ int cpus_len;
+ int next_cpu;
+};
+
+struct env {
+ char *bench_name;
+ int duration_sec;
+ int warmup_sec;
+ bool verbose;
+ bool list;
+ bool affinity;
+ int consumer_cnt;
+ int producer_cnt;
+ struct cpu_set prod_cpus;
+ struct cpu_set cons_cpus;
+};
+
+struct bench_res {
+ long hits;
+ long drops;
+};
+
+struct bench {
+ const char *name;
+ void (*validate)();
+ void (*setup)();
+ void *(*producer_thread)(void *ctx);
+ void *(*consumer_thread)(void *ctx);
+ void (*measure)(struct bench_res* res);
+ void (*report_progress)(int iter, struct bench_res* res, long delta_ns);
+ void (*report_final)(struct bench_res res[], int res_cnt);
+};
+
+struct counter {
+ long value;
+} __attribute__((aligned(128)));
+
+extern struct env env;
+extern const struct bench *bench;
+
+void setup_libbpf();
+void hits_drops_report_progress(int iter, struct bench_res *res, long delta_ns);
+void hits_drops_report_final(struct bench_res res[], int res_cnt);
+
+static inline __u64 get_time_ns() {
+ struct timespec t;
+
+ clock_gettime(CLOCK_MONOTONIC, &t);
+
+ return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
+}
+
+static inline void atomic_inc(long *value)
+{
+ (void)__atomic_add_fetch(value, 1, __ATOMIC_RELAXED);
+}
+
+static inline void atomic_add(long *value, long n)
+{
+ (void)__atomic_add_fetch(value, n, __ATOMIC_RELAXED);
+}
+
+static inline long atomic_swap(long *value, long n)
+{
+ return __atomic_exchange_n(value, n, __ATOMIC_RELAXED);
+}
diff --git a/tools/testing/selftests/bpf/benchs/bench_count.c b/tools/testing/selftests/bpf/benchs/bench_count.c
new file mode 100644
index 000000000000..befba7a82643
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_count.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bench.h"
+
+/* COUNT-GLOBAL benchmark */
+
+static struct count_global_ctx {
+ struct counter hits;
+} count_global_ctx;
+
+static void *count_global_producer(void *input)
+{
+ struct count_global_ctx *ctx = &count_global_ctx;
+
+ while (true) {
+ atomic_inc(&ctx->hits.value);
+ }
+ return NULL;
+}
+
+static void *count_global_consumer(void *input)
+{
+ return NULL;
+}
+
+static void count_global_measure(struct bench_res *res)
+{
+ struct count_global_ctx *ctx = &count_global_ctx;
+
+ res->hits = atomic_swap(&ctx->hits.value, 0);
+}
+
+/* COUNT-local benchmark */
+
+static struct count_local_ctx {
+ struct counter *hits;
+} count_local_ctx;
+
+static void count_local_setup()
+{
+ struct count_local_ctx *ctx = &count_local_ctx;
+
+ ctx->hits = calloc(env.consumer_cnt, sizeof(*ctx->hits));
+ if (!ctx->hits)
+ exit(1);
+}
+
+static void *count_local_producer(void *input)
+{
+ struct count_local_ctx *ctx = &count_local_ctx;
+ int idx = (long)input;
+
+ while (true) {
+ atomic_inc(&ctx->hits[idx].value);
+ }
+ return NULL;
+}
+
+static void *count_local_consumer(void *input)
+{
+ return NULL;
+}
+
+static void count_local_measure(struct bench_res *res)
+{
+ struct count_local_ctx *ctx = &count_local_ctx;
+ int i;
+
+ for (i = 0; i < env.producer_cnt; i++) {
+ res->hits += atomic_swap(&ctx->hits[i].value, 0);
+ }
+}
+
+const struct bench bench_count_global = {
+ .name = "count-global",
+ .producer_thread = count_global_producer,
+ .consumer_thread = count_global_consumer,
+ .measure = count_global_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_count_local = {
+ .name = "count-local",
+ .setup = count_local_setup,
+ .producer_thread = count_local_producer,
+ .consumer_thread = count_local_consumer,
+ .measure = count_local_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_rename.c b/tools/testing/selftests/bpf/benchs/bench_rename.c
new file mode 100644
index 000000000000..e74cff40f4fe
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_rename.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <fcntl.h>
+#include "bench.h"
+#include "test_overhead.skel.h"
+
+/* BPF triggering benchmarks */
+static struct ctx {
+ struct test_overhead *skel;
+ struct counter hits;
+ int fd;
+} ctx;
+
+static void validate()
+{
+ if (env.producer_cnt != 1) {
+ fprintf(stderr, "benchmark doesn't support multi-producer!\n");
+ exit(1);
+ }
+ if (env.consumer_cnt != 1) {
+ fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+ exit(1);
+ }
+}
+
+static void *producer(void *input)
+{
+ char buf[] = "test_overhead";
+ int err;
+
+ while (true) {
+ err = write(ctx.fd, buf, sizeof(buf));
+ if (err < 0) {
+ fprintf(stderr, "write failed\n");
+ exit(1);
+ }
+ atomic_inc(&ctx.hits.value);
+ }
+}
+
+static void measure(struct bench_res *res)
+{
+ res->hits = atomic_swap(&ctx.hits.value, 0);
+}
+
+static void setup_ctx()
+{
+ setup_libbpf();
+
+ ctx.skel = test_overhead__open_and_load();
+ if (!ctx.skel) {
+ fprintf(stderr, "failed to open skeleton\n");
+ exit(1);
+ }
+
+ ctx.fd = open("/proc/self/comm", O_WRONLY|O_TRUNC);
+ if (ctx.fd < 0) {
+ fprintf(stderr, "failed to open /proc/self/comm: %d\n", -errno);
+ exit(1);
+ }
+}
+
+static void attach_bpf(struct bpf_program *prog)
+{
+ struct bpf_link *link;
+
+ link = bpf_program__attach(prog);
+ if (IS_ERR(link)) {
+ fprintf(stderr, "failed to attach program!\n");
+ exit(1);
+ }
+}
+
+static void setup_base()
+{
+ setup_ctx();
+}
+
+static void setup_kprobe()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog1);
+}
+
+static void setup_kretprobe()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog2);
+}
+
+static void setup_rawtp()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog3);
+}
+
+static void setup_fentry()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog4);
+}
+
+static void setup_fexit()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog5);
+}
+
+static void setup_fmodret()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.prog6);
+}
+
+static void *consumer(void *input)
+{
+ return NULL;
+}
+
+const struct bench bench_rename_base = {
+ .name = "rename-base",
+ .validate = validate,
+ .setup = setup_base,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_kprobe = {
+ .name = "rename-kprobe",
+ .validate = validate,
+ .setup = setup_kprobe,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_kretprobe = {
+ .name = "rename-kretprobe",
+ .validate = validate,
+ .setup = setup_kretprobe,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_rawtp = {
+ .name = "rename-rawtp",
+ .validate = validate,
+ .setup = setup_rawtp,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_fentry = {
+ .name = "rename-fentry",
+ .validate = validate,
+ .setup = setup_fentry,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_fexit = {
+ .name = "rename-fexit",
+ .validate = validate,
+ .setup = setup_fexit,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rename_fmodret = {
+ .name = "rename-fmodret",
+ .validate = validate,
+ .setup = setup_fmodret,
+ .producer_thread = producer,
+ .consumer_thread = consumer,
+ .measure = measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/bench_ringbufs.c b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c
new file mode 100644
index 000000000000..da87c7f31891
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_ringbufs.c
@@ -0,0 +1,566 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <asm/barrier.h>
+#include <linux/perf_event.h>
+#include <linux/ring_buffer.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <argp.h>
+#include <stdlib.h>
+#include "bench.h"
+#include "ringbuf_bench.skel.h"
+#include "perfbuf_bench.skel.h"
+
+static struct {
+ bool back2back;
+ int batch_cnt;
+ bool sampled;
+ int sample_rate;
+ int ringbuf_sz; /* per-ringbuf, in bytes */
+ bool ringbuf_use_output; /* use slower output API */
+ int perfbuf_sz; /* per-CPU size, in pages */
+} args = {
+ .back2back = false,
+ .batch_cnt = 500,
+ .sampled = false,
+ .sample_rate = 500,
+ .ringbuf_sz = 512 * 1024,
+ .ringbuf_use_output = false,
+ .perfbuf_sz = 128,
+};
+
+enum {
+ ARG_RB_BACK2BACK = 2000,
+ ARG_RB_USE_OUTPUT = 2001,
+ ARG_RB_BATCH_CNT = 2002,
+ ARG_RB_SAMPLED = 2003,
+ ARG_RB_SAMPLE_RATE = 2004,
+};
+
+static const struct argp_option opts[] = {
+ { "rb-b2b", ARG_RB_BACK2BACK, NULL, 0, "Back-to-back mode"},
+ { "rb-use-output", ARG_RB_USE_OUTPUT, NULL, 0, "Use bpf_ringbuf_output() instead of bpf_ringbuf_reserve()"},
+ { "rb-batch-cnt", ARG_RB_BATCH_CNT, "CNT", 0, "Set BPF-side record batch count"},
+ { "rb-sampled", ARG_RB_SAMPLED, NULL, 0, "Notification sampling"},
+ { "rb-sample-rate", ARG_RB_SAMPLE_RATE, "RATE", 0, "Notification sample rate"},
+ {},
+};
+
+static error_t parse_arg(int key, char *arg, struct argp_state *state)
+{
+ switch (key) {
+ case ARG_RB_BACK2BACK:
+ args.back2back = true;
+ break;
+ case ARG_RB_USE_OUTPUT:
+ args.ringbuf_use_output = true;
+ break;
+ case ARG_RB_BATCH_CNT:
+ args.batch_cnt = strtol(arg, NULL, 10);
+ if (args.batch_cnt < 0) {
+ fprintf(stderr, "Invalid batch count.");
+ argp_usage(state);
+ }
+ break;
+ case ARG_RB_SAMPLED:
+ args.sampled = true;
+ break;
+ case ARG_RB_SAMPLE_RATE:
+ args.sample_rate = strtol(arg, NULL, 10);
+ if (args.sample_rate < 0) {
+ fprintf(stderr, "Invalid perfbuf sample rate.");
+ argp_usage(state);
+ }
+ break;
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+/* exported into benchmark runner */
+const struct argp bench_ringbufs_argp = {
+ .options = opts,
+ .parser = parse_arg,
+};
+
+/* RINGBUF-LIBBPF benchmark */
+
+static struct counter buf_hits;
+
+static inline void bufs_trigger_batch()
+{
+ (void)syscall(__NR_getpgid);
+}
+
+static void bufs_validate()
+{
+ if (env.consumer_cnt != 1) {
+ fprintf(stderr, "rb-libbpf benchmark doesn't support multi-consumer!\n");
+ exit(1);
+ }
+
+ if (args.back2back && env.producer_cnt > 1) {
+ fprintf(stderr, "back-to-back mode makes sense only for single-producer case!\n");
+ exit(1);
+ }
+}
+
+static void *bufs_sample_producer(void *input)
+{
+ if (args.back2back) {
+ /* initial batch to get everything started */
+ bufs_trigger_batch();
+ return NULL;
+ }
+
+ while (true)
+ bufs_trigger_batch();
+ return NULL;
+}
+
+static struct ringbuf_libbpf_ctx {
+ struct ringbuf_bench *skel;
+ struct ring_buffer *ringbuf;
+} ringbuf_libbpf_ctx;
+
+static void ringbuf_libbpf_measure(struct bench_res *res)
+{
+ struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+
+ res->hits = atomic_swap(&buf_hits.value, 0);
+ res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static struct ringbuf_bench *ringbuf_setup_skeleton()
+{
+ struct ringbuf_bench *skel;
+
+ setup_libbpf();
+
+ skel = ringbuf_bench__open();
+ if (!skel) {
+ fprintf(stderr, "failed to open skeleton\n");
+ exit(1);
+ }
+
+ skel->rodata->batch_cnt = args.batch_cnt;
+ skel->rodata->use_output = args.ringbuf_use_output ? 1 : 0;
+
+ if (args.sampled)
+ /* record data + header take 16 bytes */
+ skel->rodata->wakeup_data_size = args.sample_rate * 16;
+
+ bpf_map__resize(skel->maps.ringbuf, args.ringbuf_sz);
+
+ if (ringbuf_bench__load(skel)) {
+ fprintf(stderr, "failed to load skeleton\n");
+ exit(1);
+ }
+
+ return skel;
+}
+
+static int buf_process_sample(void *ctx, void *data, size_t len)
+{
+ atomic_inc(&buf_hits.value);
+ return 0;
+}
+
+static void ringbuf_libbpf_setup()
+{
+ struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+ struct bpf_link *link;
+
+ ctx->skel = ringbuf_setup_skeleton();
+ ctx->ringbuf = ring_buffer__new(bpf_map__fd(ctx->skel->maps.ringbuf),
+ buf_process_sample, NULL, NULL);
+ if (!ctx->ringbuf) {
+ fprintf(stderr, "failed to create ringbuf\n");
+ exit(1);
+ }
+
+ link = bpf_program__attach(ctx->skel->progs.bench_ringbuf);
+ if (IS_ERR(link)) {
+ fprintf(stderr, "failed to attach program!\n");
+ exit(1);
+ }
+}
+
+static void *ringbuf_libbpf_consumer(void *input)
+{
+ struct ringbuf_libbpf_ctx *ctx = &ringbuf_libbpf_ctx;
+
+ while (ring_buffer__poll(ctx->ringbuf, -1) >= 0) {
+ if (args.back2back)
+ bufs_trigger_batch();
+ }
+ fprintf(stderr, "ringbuf polling failed!\n");
+ return NULL;
+}
+
+/* RINGBUF-CUSTOM benchmark */
+struct ringbuf_custom {
+ __u64 *consumer_pos;
+ __u64 *producer_pos;
+ __u64 mask;
+ void *data;
+ int map_fd;
+};
+
+static struct ringbuf_custom_ctx {
+ struct ringbuf_bench *skel;
+ struct ringbuf_custom ringbuf;
+ int epoll_fd;
+ struct epoll_event event;
+} ringbuf_custom_ctx;
+
+static void ringbuf_custom_measure(struct bench_res *res)
+{
+ struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+
+ res->hits = atomic_swap(&buf_hits.value, 0);
+ res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static void ringbuf_custom_setup()
+{
+ struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+ const size_t page_size = getpagesize();
+ struct bpf_link *link;
+ struct ringbuf_custom *r;
+ void *tmp;
+ int err;
+
+ ctx->skel = ringbuf_setup_skeleton();
+
+ ctx->epoll_fd = epoll_create1(EPOLL_CLOEXEC);
+ if (ctx->epoll_fd < 0) {
+ fprintf(stderr, "failed to create epoll fd: %d\n", -errno);
+ exit(1);
+ }
+
+ r = &ctx->ringbuf;
+ r->map_fd = bpf_map__fd(ctx->skel->maps.ringbuf);
+ r->mask = args.ringbuf_sz - 1;
+
+ /* Map writable consumer page */
+ tmp = mmap(NULL, page_size, PROT_READ | PROT_WRITE, MAP_SHARED,
+ r->map_fd, 0);
+ if (tmp == MAP_FAILED) {
+ fprintf(stderr, "failed to mmap consumer page: %d\n", -errno);
+ exit(1);
+ }
+ r->consumer_pos = tmp;
+
+ /* Map read-only producer page and data pages. */
+ tmp = mmap(NULL, page_size + 2 * args.ringbuf_sz, PROT_READ, MAP_SHARED,
+ r->map_fd, page_size);
+ if (tmp == MAP_FAILED) {
+ fprintf(stderr, "failed to mmap data pages: %d\n", -errno);
+ exit(1);
+ }
+ r->producer_pos = tmp;
+ r->data = tmp + page_size;
+
+ ctx->event.events = EPOLLIN;
+ err = epoll_ctl(ctx->epoll_fd, EPOLL_CTL_ADD, r->map_fd, &ctx->event);
+ if (err < 0) {
+ fprintf(stderr, "failed to epoll add ringbuf: %d\n", -errno);
+ exit(1);
+ }
+
+ link = bpf_program__attach(ctx->skel->progs.bench_ringbuf);
+ if (IS_ERR(link)) {
+ fprintf(stderr, "failed to attach program\n");
+ exit(1);
+ }
+}
+
+#define RINGBUF_BUSY_BIT (1 << 31)
+#define RINGBUF_DISCARD_BIT (1 << 30)
+#define RINGBUF_META_LEN 8
+
+static inline int roundup_len(__u32 len)
+{
+ /* clear out top 2 bits */
+ len <<= 2;
+ len >>= 2;
+ /* add length prefix */
+ len += RINGBUF_META_LEN;
+ /* round up to 8 byte alignment */
+ return (len + 7) / 8 * 8;
+}
+
+static void ringbuf_custom_process_ring(struct ringbuf_custom *r)
+{
+ unsigned long cons_pos, prod_pos;
+ int *len_ptr, len;
+ bool got_new_data;
+
+ cons_pos = smp_load_acquire(r->consumer_pos);
+ while (true) {
+ got_new_data = false;
+ prod_pos = smp_load_acquire(r->producer_pos);
+ while (cons_pos < prod_pos) {
+ len_ptr = r->data + (cons_pos & r->mask);
+ len = smp_load_acquire(len_ptr);
+
+ /* sample not committed yet, bail out for now */
+ if (len & RINGBUF_BUSY_BIT)
+ return;
+
+ got_new_data = true;
+ cons_pos += roundup_len(len);
+
+ atomic_inc(&buf_hits.value);
+ }
+ if (got_new_data)
+ smp_store_release(r->consumer_pos, cons_pos);
+ else
+ break;
+ };
+}
+
+static void *ringbuf_custom_consumer(void *input)
+{
+ struct ringbuf_custom_ctx *ctx = &ringbuf_custom_ctx;
+ int cnt;
+
+ do {
+ if (args.back2back)
+ bufs_trigger_batch();
+ cnt = epoll_wait(ctx->epoll_fd, &ctx->event, 1, -1);
+ if (cnt > 0)
+ ringbuf_custom_process_ring(&ctx->ringbuf);
+ } while (cnt >= 0);
+ fprintf(stderr, "ringbuf polling failed!\n");
+ return 0;
+}
+
+/* PERFBUF-LIBBPF benchmark */
+static struct perfbuf_libbpf_ctx {
+ struct perfbuf_bench *skel;
+ struct perf_buffer *perfbuf;
+} perfbuf_libbpf_ctx;
+
+static void perfbuf_measure(struct bench_res *res)
+{
+ struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+
+ res->hits = atomic_swap(&buf_hits.value, 0);
+ res->drops = atomic_swap(&ctx->skel->bss->dropped, 0);
+}
+
+static struct perfbuf_bench *perfbuf_setup_skeleton()
+{
+ struct perfbuf_bench *skel;
+
+ setup_libbpf();
+
+ skel = perfbuf_bench__open();
+ if (!skel) {
+ fprintf(stderr, "failed to open skeleton\n");
+ exit(1);
+ }
+
+ skel->rodata->batch_cnt = args.batch_cnt;
+
+ if (perfbuf_bench__load(skel)) {
+ fprintf(stderr, "failed to load skeleton\n");
+ exit(1);
+ }
+
+ return skel;
+}
+
+static enum bpf_perf_event_ret
+perfbuf_process_sample_raw(void *input_ctx, int cpu,
+ struct perf_event_header *e)
+{
+ switch (e->type) {
+ case PERF_RECORD_SAMPLE:
+ atomic_inc(&buf_hits.value);
+ break;
+ case PERF_RECORD_LOST:
+ break;
+ default:
+ return LIBBPF_PERF_EVENT_ERROR;
+ }
+ return LIBBPF_PERF_EVENT_CONT;
+}
+
+static void perfbuf_libbpf_setup()
+{
+ struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+ struct perf_event_attr attr;
+ struct perf_buffer_raw_opts pb_opts = {
+ .event_cb = perfbuf_process_sample_raw,
+ .ctx = (void *)(long)0,
+ .attr = &attr,
+ };
+ struct bpf_link *link;
+
+ ctx->skel = perfbuf_setup_skeleton();
+
+ memset(&attr, 0, sizeof(attr));
+ attr.config = PERF_COUNT_SW_BPF_OUTPUT,
+ attr.type = PERF_TYPE_SOFTWARE;
+ attr.sample_type = PERF_SAMPLE_RAW;
+ /* notify only every Nth sample */
+ if (args.sampled) {
+ attr.sample_period = args.sample_rate;
+ attr.wakeup_events = args.sample_rate;
+ } else {
+ attr.sample_period = 1;
+ attr.wakeup_events = 1;
+ }
+
+ if (args.sample_rate > args.batch_cnt) {
+ fprintf(stderr, "sample rate %d is too high for given batch count %d\n",
+ args.sample_rate, args.batch_cnt);
+ exit(1);
+ }
+
+ ctx->perfbuf = perf_buffer__new_raw(bpf_map__fd(ctx->skel->maps.perfbuf),
+ args.perfbuf_sz, &pb_opts);
+ if (!ctx->perfbuf) {
+ fprintf(stderr, "failed to create perfbuf\n");
+ exit(1);
+ }
+
+ link = bpf_program__attach(ctx->skel->progs.bench_perfbuf);
+ if (IS_ERR(link)) {
+ fprintf(stderr, "failed to attach program\n");
+ exit(1);
+ }
+}
+
+static void *perfbuf_libbpf_consumer(void *input)
+{
+ struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+
+ while (perf_buffer__poll(ctx->perfbuf, -1) >= 0) {
+ if (args.back2back)
+ bufs_trigger_batch();
+ }
+ fprintf(stderr, "perfbuf polling failed!\n");
+ return NULL;
+}
+
+/* PERFBUF-CUSTOM benchmark */
+
+/* copies of internal libbpf definitions */
+struct perf_cpu_buf {
+ struct perf_buffer *pb;
+ void *base; /* mmap()'ed memory */
+ void *buf; /* for reconstructing segmented data */
+ size_t buf_size;
+ int fd;
+ int cpu;
+ int map_key;
+};
+
+struct perf_buffer {
+ perf_buffer_event_fn event_cb;
+ perf_buffer_sample_fn sample_cb;
+ perf_buffer_lost_fn lost_cb;
+ void *ctx; /* passed into callbacks */
+
+ size_t page_size;
+ size_t mmap_size;
+ struct perf_cpu_buf **cpu_bufs;
+ struct epoll_event *events;
+ int cpu_cnt; /* number of allocated CPU buffers */
+ int epoll_fd; /* perf event FD */
+ int map_fd; /* BPF_MAP_TYPE_PERF_EVENT_ARRAY BPF map FD */
+};
+
+static void *perfbuf_custom_consumer(void *input)
+{
+ struct perfbuf_libbpf_ctx *ctx = &perfbuf_libbpf_ctx;
+ struct perf_buffer *pb = ctx->perfbuf;
+ struct perf_cpu_buf *cpu_buf;
+ struct perf_event_mmap_page *header;
+ size_t mmap_mask = pb->mmap_size - 1;
+ struct perf_event_header *ehdr;
+ __u64 data_head, data_tail;
+ size_t ehdr_size;
+ void *base;
+ int i, cnt;
+
+ while (true) {
+ if (args.back2back)
+ bufs_trigger_batch();
+ cnt = epoll_wait(pb->epoll_fd, pb->events, pb->cpu_cnt, -1);
+ if (cnt <= 0) {
+ fprintf(stderr, "perf epoll failed: %d\n", -errno);
+ exit(1);
+ }
+
+ for (i = 0; i < cnt; ++i) {
+ cpu_buf = pb->events[i].data.ptr;
+ header = cpu_buf->base;
+ base = ((void *)header) + pb->page_size;
+
+ data_head = ring_buffer_read_head(header);
+ data_tail = header->data_tail;
+ while (data_head != data_tail) {
+ ehdr = base + (data_tail & mmap_mask);
+ ehdr_size = ehdr->size;
+
+ if (ehdr->type == PERF_RECORD_SAMPLE)
+ atomic_inc(&buf_hits.value);
+
+ data_tail += ehdr_size;
+ }
+ ring_buffer_write_tail(header, data_tail);
+ }
+ }
+ return NULL;
+}
+
+const struct bench bench_rb_libbpf = {
+ .name = "rb-libbpf",
+ .validate = bufs_validate,
+ .setup = ringbuf_libbpf_setup,
+ .producer_thread = bufs_sample_producer,
+ .consumer_thread = ringbuf_libbpf_consumer,
+ .measure = ringbuf_libbpf_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_rb_custom = {
+ .name = "rb-custom",
+ .validate = bufs_validate,
+ .setup = ringbuf_custom_setup,
+ .producer_thread = bufs_sample_producer,
+ .consumer_thread = ringbuf_custom_consumer,
+ .measure = ringbuf_custom_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_pb_libbpf = {
+ .name = "pb-libbpf",
+ .validate = bufs_validate,
+ .setup = perfbuf_libbpf_setup,
+ .producer_thread = bufs_sample_producer,
+ .consumer_thread = perfbuf_libbpf_consumer,
+ .measure = perfbuf_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_pb_custom = {
+ .name = "pb-custom",
+ .validate = bufs_validate,
+ .setup = perfbuf_libbpf_setup,
+ .producer_thread = bufs_sample_producer,
+ .consumer_thread = perfbuf_custom_consumer,
+ .measure = perfbuf_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c
new file mode 100644
index 000000000000..49c22832f216
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include "bench.h"
+#include "trigger_bench.skel.h"
+
+/* BPF triggering benchmarks */
+static struct trigger_ctx {
+ struct trigger_bench *skel;
+} ctx;
+
+static struct counter base_hits;
+
+static void trigger_validate()
+{
+ if (env.consumer_cnt != 1) {
+ fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
+ exit(1);
+ }
+}
+
+static void *trigger_base_producer(void *input)
+{
+ while (true) {
+ (void)syscall(__NR_getpgid);
+ atomic_inc(&base_hits.value);
+ }
+ return NULL;
+}
+
+static void trigger_base_measure(struct bench_res *res)
+{
+ res->hits = atomic_swap(&base_hits.value, 0);
+}
+
+static void *trigger_producer(void *input)
+{
+ while (true)
+ (void)syscall(__NR_getpgid);
+ return NULL;
+}
+
+static void trigger_measure(struct bench_res *res)
+{
+ res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
+}
+
+static void setup_ctx()
+{
+ setup_libbpf();
+
+ ctx.skel = trigger_bench__open_and_load();
+ if (!ctx.skel) {
+ fprintf(stderr, "failed to open skeleton\n");
+ exit(1);
+ }
+}
+
+static void attach_bpf(struct bpf_program *prog)
+{
+ struct bpf_link *link;
+
+ link = bpf_program__attach(prog);
+ if (IS_ERR(link)) {
+ fprintf(stderr, "failed to attach program!\n");
+ exit(1);
+ }
+}
+
+static void trigger_tp_setup()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.bench_trigger_tp);
+}
+
+static void trigger_rawtp_setup()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.bench_trigger_raw_tp);
+}
+
+static void trigger_kprobe_setup()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.bench_trigger_kprobe);
+}
+
+static void trigger_fentry_setup()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.bench_trigger_fentry);
+}
+
+static void trigger_fmodret_setup()
+{
+ setup_ctx();
+ attach_bpf(ctx.skel->progs.bench_trigger_fmodret);
+}
+
+static void *trigger_consumer(void *input)
+{
+ return NULL;
+}
+
+const struct bench bench_trig_base = {
+ .name = "trig-base",
+ .validate = trigger_validate,
+ .producer_thread = trigger_base_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_base_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_tp = {
+ .name = "trig-tp",
+ .validate = trigger_validate,
+ .setup = trigger_tp_setup,
+ .producer_thread = trigger_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_rawtp = {
+ .name = "trig-rawtp",
+ .validate = trigger_validate,
+ .setup = trigger_rawtp_setup,
+ .producer_thread = trigger_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_kprobe = {
+ .name = "trig-kprobe",
+ .validate = trigger_validate,
+ .setup = trigger_kprobe_setup,
+ .producer_thread = trigger_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_fentry = {
+ .name = "trig-fentry",
+ .validate = trigger_validate,
+ .setup = trigger_fentry_setup,
+ .producer_thread = trigger_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
+
+const struct bench bench_trig_fmodret = {
+ .name = "trig-fmodret",
+ .validate = trigger_validate,
+ .setup = trigger_fmodret_setup,
+ .producer_thread = trigger_producer,
+ .consumer_thread = trigger_consumer,
+ .measure = trigger_measure,
+ .report_progress = hits_drops_report_progress,
+ .report_final = hits_drops_report_final,
+};
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_rename.sh b/tools/testing/selftests/bpf/benchs/run_bench_rename.sh
new file mode 100755
index 000000000000..16f774b1cdbe
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_rename.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -eufo pipefail
+
+for i in base kprobe kretprobe rawtp fentry fexit fmodret
+do
+ summary=$(sudo ./bench -w2 -d5 -a rename-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-)
+ printf "%-10s: %s\n" $i "$summary"
+done
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh b/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh
new file mode 100755
index 000000000000..af4aa04caba6
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_ringbufs.sh
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+set -eufo pipefail
+
+RUN_BENCH="sudo ./bench -w3 -d10 -a"
+
+function hits()
+{
+ echo "$*" | sed -E "s/.*hits\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
+}
+
+function drops()
+{
+ echo "$*" | sed -E "s/.*drops\s+([0-9]+\.[0-9]+ ± [0-9]+\.[0-9]+M\/s).*/\1/"
+}
+
+function header()
+{
+ local len=${#1}
+
+ printf "\n%s\n" "$1"
+ for i in $(seq 1 $len); do printf '='; done
+ printf '\n'
+}
+
+function summarize()
+{
+ bench="$1"
+ summary=$(echo $2 | tail -n1)
+ printf "%-20s %s (drops %s)\n" "$bench" "$(hits $summary)" "$(drops $summary)"
+}
+
+header "Single-producer, parallel producer"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+ summarize $b "$($RUN_BENCH $b)"
+done
+
+header "Single-producer, parallel producer, sampled notification"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+ summarize $b "$($RUN_BENCH --rb-sampled $b)"
+done
+
+header "Single-producer, back-to-back mode"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+ summarize $b "$($RUN_BENCH --rb-b2b $b)"
+ summarize $b-sampled "$($RUN_BENCH --rb-sampled --rb-b2b $b)"
+done
+
+header "Ringbuf back-to-back, effect of sample rate"
+for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
+ summarize "rb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b rb-custom)"
+done
+header "Perfbuf back-to-back, effect of sample rate"
+for b in 1 5 10 25 50 100 250 500 1000 2000 3000; do
+ summarize "pb-sampled-$b" "$($RUN_BENCH --rb-b2b --rb-batch-cnt $b --rb-sampled --rb-sample-rate $b pb-custom)"
+done
+
+header "Ringbuf back-to-back, reserve+commit vs output"
+summarize "reserve" "$($RUN_BENCH --rb-b2b rb-custom)"
+summarize "output" "$($RUN_BENCH --rb-b2b --rb-use-output rb-custom)"
+
+header "Ringbuf sampled, reserve+commit vs output"
+summarize "reserve-sampled" "$($RUN_BENCH --rb-sampled rb-custom)"
+summarize "output-sampled" "$($RUN_BENCH --rb-sampled --rb-use-output rb-custom)"
+
+header "Single-producer, consumer/producer competing on the same CPU, low batch count"
+for b in rb-libbpf rb-custom pb-libbpf pb-custom; do
+ summarize $b "$($RUN_BENCH --rb-batch-cnt 1 --rb-sample-rate 1 --prod-affinity 0 --cons-affinity 0 $b)"
+done
+
+header "Ringbuf, multi-producer contention"
+for b in 1 2 3 4 8 12 16 20 24 28 32 36 40 44 48 52; do
+ summarize "rb-libbpf nr_prod $b" "$($RUN_BENCH -p$b --rb-batch-cnt 50 rb-libbpf)"
+done
+
diff --git a/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh b/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh
new file mode 100755
index 000000000000..78e83f243294
--- /dev/null
+++ b/tools/testing/selftests/bpf/benchs/run_bench_trigger.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -eufo pipefail
+
+for i in base tp rawtp kprobe fentry fmodret
+do
+ summary=$(sudo ./bench -w2 -d5 -a trig-$i | tail -n1 | cut -d'(' -f1 | cut -d' ' -f3-)
+ printf "%-10s: %s\n" $i "$summary"
+done
diff --git a/tools/testing/selftests/bpf/config b/tools/testing/selftests/bpf/config
index 60e3ae5d4e48..2118e23ac07a 100644
--- a/tools/testing/selftests/bpf/config
+++ b/tools/testing/selftests/bpf/config
@@ -25,6 +25,7 @@ CONFIG_XDP_SOCKETS=y
CONFIG_FTRACE_SYSCALLS=y
CONFIG_IPV6_TUNNEL=y
CONFIG_IPV6_GRE=y
+CONFIG_IPV6_SEG6_BPF=y
CONFIG_NET_FOU=m
CONFIG_NET_FOU_IP_TUNNELS=y
CONFIG_IPV6_FOU=m
@@ -37,3 +38,4 @@ CONFIG_IPV6_SIT=m
CONFIG_BPF_JIT=y
CONFIG_BPF_LSM=y
CONFIG_SECURITY=y
+CONFIG_LIRC=y
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
new file mode 100644
index 000000000000..e36dd1a1780d
--- /dev/null
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <arpa/inet.h>
+
+#include <sys/epoll.h>
+
+#include <linux/err.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+
+#include "bpf_util.h"
+#include "network_helpers.h"
+
+#define clean_errno() (errno == 0 ? "None" : strerror(errno))
+#define log_err(MSG, ...) fprintf(stderr, "(%s:%d: errno: %s) " MSG "\n", \
+ __FILE__, __LINE__, clean_errno(), ##__VA_ARGS__)
+
+struct ipv4_packet pkt_v4 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IP),
+ .iph.ihl = 5,
+ .iph.protocol = IPPROTO_TCP,
+ .iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.urg_ptr = 123,
+ .tcp.doff = 5,
+};
+
+struct ipv6_packet pkt_v6 = {
+ .eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
+ .iph.nexthdr = IPPROTO_TCP,
+ .iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
+ .tcp.urg_ptr = 123,
+ .tcp.doff = 5,
+};
+
+int start_server_with_port(int family, int type, __u16 port)
+{
+ struct sockaddr_storage addr = {};
+ socklen_t len;
+ int fd;
+
+ if (family == AF_INET) {
+ struct sockaddr_in *sin = (void *)&addr;
+
+ sin->sin_family = AF_INET;
+ sin->sin_port = htons(port);
+ len = sizeof(*sin);
+ } else {
+ struct sockaddr_in6 *sin6 = (void *)&addr;
+
+ sin6->sin6_family = AF_INET6;
+ sin6->sin6_port = htons(port);
+ len = sizeof(*sin6);
+ }
+
+ fd = socket(family, type | SOCK_NONBLOCK, 0);
+ if (fd < 0) {
+ log_err("Failed to create server socket");
+ return -1;
+ }
+
+ if (bind(fd, (const struct sockaddr *)&addr, len) < 0) {
+ log_err("Failed to bind socket");
+ close(fd);
+ return -1;
+ }
+
+ if (type == SOCK_STREAM) {
+ if (listen(fd, 1) < 0) {
+ log_err("Failed to listed on socket");
+ close(fd);
+ return -1;
+ }
+ }
+
+ return fd;
+}
+
+int start_server(int family, int type)
+{
+ return start_server_with_port(family, type, 0);
+}
+
+static const struct timeval timeo_sec = { .tv_sec = 3 };
+static const size_t timeo_optlen = sizeof(timeo_sec);
+
+int connect_to_fd(int family, int type, int server_fd)
+{
+ int fd, save_errno;
+
+ fd = socket(family, type, 0);
+ if (fd < 0) {
+ log_err("Failed to create client socket");
+ return -1;
+ }
+
+ if (connect_fd_to_fd(fd, server_fd) < 0 && errno != EINPROGRESS) {
+ save_errno = errno;
+ close(fd);
+ errno = save_errno;
+ return -1;
+ }
+
+ return fd;
+}
+
+int connect_fd_to_fd(int client_fd, int server_fd)
+{
+ struct sockaddr_storage addr;
+ socklen_t len = sizeof(addr);
+ int save_errno;
+
+ if (setsockopt(client_fd, SOL_SOCKET, SO_RCVTIMEO, &timeo_sec,
+ timeo_optlen)) {
+ log_err("Failed to set SO_RCVTIMEO");
+ return -1;
+ }
+
+ if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
+ log_err("Failed to get server addr");
+ return -1;
+ }
+
+ if (connect(client_fd, (const struct sockaddr *)&addr, len) < 0) {
+ if (errno != EINPROGRESS) {
+ save_errno = errno;
+ log_err("Failed to connect to server");
+ errno = save_errno;
+ }
+ return -1;
+ }
+
+ return 0;
+}
+
+int connect_wait(int fd)
+{
+ struct epoll_event ev = {}, events[2];
+ int timeout_ms = 1000;
+ int efd, nfd;
+
+ efd = epoll_create1(EPOLL_CLOEXEC);
+ if (efd < 0) {
+ log_err("Failed to open epoll fd");
+ return -1;
+ }
+
+ ev.events = EPOLLRDHUP | EPOLLOUT;
+ ev.data.fd = fd;
+
+ if (epoll_ctl(efd, EPOLL_CTL_ADD, fd, &ev) < 0) {
+ log_err("Failed to register fd=%d on epoll fd=%d", fd, efd);
+ close(efd);
+ return -1;
+ }
+
+ nfd = epoll_wait(efd, events, ARRAY_SIZE(events), timeout_ms);
+ if (nfd < 0)
+ log_err("Failed to wait for I/O event on epoll fd=%d", efd);
+
+ close(efd);
+ return nfd;
+}
diff --git a/tools/testing/selftests/bpf/network_helpers.h b/tools/testing/selftests/bpf/network_helpers.h
new file mode 100644
index 000000000000..6a8009605670
--- /dev/null
+++ b/tools/testing/selftests/bpf/network_helpers.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETWORK_HELPERS_H
+#define __NETWORK_HELPERS_H
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <linux/types.h>
+typedef __u16 __sum16;
+#include <linux/if_ether.h>
+#include <linux/if_packet.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <netinet/tcp.h>
+#include <bpf/bpf_endian.h>
+
+#define MAGIC_VAL 0x1234
+#define NUM_ITER 100000
+#define VIP_NUM 5
+#define MAGIC_BYTES 123
+
+/* ipv4 test vector */
+struct ipv4_packet {
+ struct ethhdr eth;
+ struct iphdr iph;
+ struct tcphdr tcp;
+} __packed;
+extern struct ipv4_packet pkt_v4;
+
+/* ipv6 test vector */
+struct ipv6_packet {
+ struct ethhdr eth;
+ struct ipv6hdr iph;
+ struct tcphdr tcp;
+} __packed;
+extern struct ipv6_packet pkt_v6;
+
+int start_server(int family, int type);
+int start_server_with_port(int family, int type, __u16 port);
+int connect_to_fd(int family, int type, int server_fd);
+int connect_fd_to_fd(int client_fd, int server_fd);
+int connect_wait(int client_fd);
+
+#endif
diff --git a/tools/testing/selftests/bpf/test_align.c b/tools/testing/selftests/bpf/prog_tests/align.c
index 0262f7b374f9..c548aded6585 100644
--- a/tools/testing/selftests/bpf/test_align.c
+++ b/tools/testing/selftests/bpf/prog_tests/align.c
@@ -1,24 +1,5 @@
-#include <asm/types.h>
-#include <linux/types.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <stddef.h>
-#include <stdbool.h>
-
-#include <linux/unistd.h>
-#include <linux/filter.h>
-#include <linux/bpf_perf_event.h>
-#include <linux/bpf.h>
-
-#include <bpf/bpf.h>
-
-#include "../../../include/linux/filter.h"
-#include "bpf_rlimit.h"
-#include "bpf_util.h"
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
#define MAX_INSNS 512
#define MAX_MATCHES 16
@@ -359,15 +340,15 @@ static struct bpf_align_test tests[] = {
* is still (4n), fixed offset is not changed.
* Also, we create a new reg->id.
*/
- {29, "R5_w=pkt(id=4,off=18,r=0,umax_value=2040,var_off=(0x0; 0x7fc))"},
+ {29, "R5_w=pkt(id=4,off=18,r=0,umax_value=2040,var_off=(0x0; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (18)
* which is 20. Then the variable offset is (4n), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {33, "R4=pkt(id=4,off=22,r=22,umax_value=2040,var_off=(0x0; 0x7fc))"},
- {33, "R5=pkt(id=4,off=18,r=22,umax_value=2040,var_off=(0x0; 0x7fc))"},
+ {33, "R4=pkt(id=4,off=22,r=22,umax_value=2040,var_off=(0x0; 0x7fc)"},
+ {33, "R5=pkt(id=4,off=18,r=22,umax_value=2040,var_off=(0x0; 0x7fc)"},
},
},
{
@@ -410,15 +391,15 @@ static struct bpf_align_test tests[] = {
/* Adding 14 makes R6 be (4n+2) */
{9, "R6_w=inv(id=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
/* Packet pointer has (4n+2) offset */
- {11, "R5_w=pkt(id=1,off=0,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
- {13, "R4=pkt(id=1,off=4,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {11, "R5_w=pkt(id=1,off=0,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
+ {13, "R4=pkt(id=1,off=4,r=0,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {15, "R5=pkt(id=1,off=0,r=4,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {15, "R5=pkt(id=1,off=0,r=4,umin_value=14,umax_value=1034,var_off=(0x2; 0x7fc)"},
/* Newly read value in R6 was shifted left by 2, so has
* known alignment of 4.
*/
@@ -426,15 +407,15 @@ static struct bpf_align_test tests[] = {
/* Added (4n) to packet pointer's (4n+2) var_off, giving
* another (4n+2).
*/
- {19, "R5_w=pkt(id=2,off=0,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc))"},
- {21, "R4=pkt(id=2,off=4,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc))"},
+ {19, "R5_w=pkt(id=2,off=0,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
+ {21, "R4=pkt(id=2,off=4,r=0,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {23, "R5=pkt(id=2,off=0,r=4,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc))"},
+ {23, "R5=pkt(id=2,off=0,r=4,umin_value=14,umax_value=2054,var_off=(0x2; 0xffc)"},
},
},
{
@@ -469,16 +450,16 @@ static struct bpf_align_test tests[] = {
.matches = {
{4, "R5_w=pkt_end(id=0,off=0,imm=0)"},
/* (ptr - ptr) << 2 == unknown, (4n) */
- {6, "R5_w=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc))"},
+ {6, "R5_w=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc)"},
/* (4n) + 14 == (4n+2). We blow our bounds, because
* the add could overflow.
*/
- {7, "R5_w=inv(id=0,var_off=(0x2; 0xfffffffffffffffc))"},
+ {7, "R5_w=inv(id=0,smin_value=-9223372036854775806,smax_value=9223372036854775806,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>=0 */
- {9, "R5=inv(id=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ {9, "R5=inv(id=0,umin_value=2,umax_value=9223372034707292158,var_off=(0x2; 0x7fffffff7ffffffc)"},
/* packet pointer + nonnegative (4n+2) */
- {11, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
- {13, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ {11, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372034707292158,var_off=(0x2; 0x7fffffff7ffffffc)"},
+ {13, "R4_w=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372034707292158,var_off=(0x2; 0x7fffffff7ffffffc)"},
/* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
* We checked the bounds, but it might have been able
* to overflow if the packet pointer started in the
@@ -486,7 +467,7 @@ static struct bpf_align_test tests[] = {
* So we did not get a 'range' on R6, and the access
* attempt will fail.
*/
- {15, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ {15, "R6_w=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372034707292158,var_off=(0x2; 0x7fffffff7ffffffc)"},
}
},
{
@@ -528,7 +509,7 @@ static struct bpf_align_test tests[] = {
/* New unknown value in R7 is (4n) */
{11, "R7_w=inv(id=0,umax_value=1020,var_off=(0x0; 0x3fc))"},
/* Subtracting it from R6 blows our unsigned bounds */
- {12, "R6=inv(id=0,smin_value=-1006,smax_value=1034,var_off=(0x2; 0xfffffffffffffffc))"},
+ {12, "R6=inv(id=0,smin_value=-1006,smax_value=1034,umin_value=2,umax_value=18446744073709551614,var_off=(0x2; 0xfffffffffffffffc)"},
/* Checked s>= 0 */
{14, "R6=inv(id=0,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc))"},
/* At the time the word size load is performed from R5,
@@ -537,7 +518,8 @@ static struct bpf_align_test tests[] = {
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=1,off=0,r=4,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc))"},
+ {20, "R5=pkt(id=1,off=0,r=4,umin_value=2,umax_value=1034,var_off=(0x2; 0x7fc)"},
+
},
},
{
@@ -579,18 +561,18 @@ static struct bpf_align_test tests[] = {
/* Adding 14 makes R6 be (4n+2) */
{11, "R6_w=inv(id=0,umin_value=14,umax_value=74,var_off=(0x2; 0x7c))"},
/* Subtracting from packet pointer overflows ubounds */
- {13, "R5_w=pkt(id=1,off=0,r=8,umin_value=18446744073709551542,umax_value=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c))"},
+ {13, "R5_w=pkt(id=1,off=0,r=8,umin_value=18446744073709551542,umax_value=18446744073709551602,var_off=(0xffffffffffffff82; 0x7c)"},
/* New unknown value in R7 is (4n), >= 76 */
{15, "R7_w=inv(id=0,umin_value=76,umax_value=1096,var_off=(0x0; 0x7fc))"},
/* Adding it to packet pointer gives nice bounds again */
- {16, "R5_w=pkt(id=2,off=0,r=0,umin_value=2,umax_value=1082,var_off=(0x2; 0x7fc))"},
+ {16, "R5_w=pkt(id=2,off=0,r=0,umin_value=2,umax_value=1082,var_off=(0x2; 0xfffffffc)"},
/* At the time the word size load is performed from R5,
* its total fixed offset is NET_IP_ALIGN + reg->off (0)
* which is 2. Then the variable offset is (4n+2), so
* the total offset is 4-byte aligned and meets the
* load's requirements.
*/
- {20, "R5=pkt(id=2,off=0,r=4,umin_value=2,umax_value=1082,var_off=(0x2; 0x7fc))"},
+ {20, "R5=pkt(id=2,off=0,r=4,umin_value=2,umax_value=1082,var_off=(0x2; 0xfffffffc)"},
},
},
};
@@ -669,51 +651,16 @@ static int do_test_single(struct bpf_align_test *test)
return ret;
}
-static int do_test(unsigned int from, unsigned int to)
+void test_align(void)
{
- int all_pass = 0;
- int all_fail = 0;
unsigned int i;
- for (i = from; i < to; i++) {
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_align_test *test = &tests[i];
- int fail;
- printf("Test %3d: %s ... ",
- i, test->descr);
- fail = do_test_single(test);
- if (fail) {
- all_fail++;
- printf("FAIL\n");
- } else {
- all_pass++;
- printf("PASS\n");
- }
- }
- printf("Results: %d pass %d fail\n",
- all_pass, all_fail);
- return all_fail ? EXIT_FAILURE : EXIT_SUCCESS;
-}
+ if (!test__start_subtest(test->descr))
+ continue;
-int main(int argc, char **argv)
-{
- unsigned int from = 0, to = ARRAY_SIZE(tests);
-
- if (argc == 3) {
- unsigned int l = atoi(argv[argc - 2]);
- unsigned int u = atoi(argv[argc - 1]);
-
- if (l < to && u < to) {
- from = l;
- to = u + 1;
- }
- } else if (argc == 2) {
- unsigned int t = atoi(argv[argc - 1]);
-
- if (t < to) {
- from = t;
- to = t + 1;
- }
+ CHECK_FAIL(do_test_single(test));
}
- return do_test(from, to);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
new file mode 100644
index 000000000000..87c29dde1cf9
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c
@@ -0,0 +1,409 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#include <test_progs.h>
+#include "bpf_iter_ipv6_route.skel.h"
+#include "bpf_iter_netlink.skel.h"
+#include "bpf_iter_bpf_map.skel.h"
+#include "bpf_iter_task.skel.h"
+#include "bpf_iter_task_file.skel.h"
+#include "bpf_iter_test_kern1.skel.h"
+#include "bpf_iter_test_kern2.skel.h"
+#include "bpf_iter_test_kern3.skel.h"
+#include "bpf_iter_test_kern4.skel.h"
+
+static int duration;
+
+static void test_btf_id_or_null(void)
+{
+ struct bpf_iter_test_kern3 *skel;
+
+ skel = bpf_iter_test_kern3__open_and_load();
+ if (CHECK(skel, "bpf_iter_test_kern3__open_and_load",
+ "skeleton open_and_load unexpectedly succeeded\n")) {
+ bpf_iter_test_kern3__destroy(skel);
+ return;
+ }
+}
+
+static void do_dummy_read(struct bpf_program *prog)
+{
+ struct bpf_link *link;
+ char buf[16] = {};
+ int iter_fd, len;
+
+ link = bpf_program__attach_iter(prog, NULL);
+ if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))
+ return;
+
+ iter_fd = bpf_iter_create(bpf_link__fd(link));
+ if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))
+ goto free_link;
+
+ /* not check contents, but ensure read() ends without error */
+ while ((len = read(iter_fd, buf, sizeof(buf))) > 0)
+ ;
+ CHECK(len < 0, "read", "read failed: %s\n", strerror(errno));
+
+ close(iter_fd);
+
+free_link:
+ bpf_link__destroy(link);
+}
+
+static void test_ipv6_route(void)
+{
+ struct bpf_iter_ipv6_route *skel;
+
+ skel = bpf_iter_ipv6_route__open_and_load();
+ if (CHECK(!skel, "bpf_iter_ipv6_route__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ do_dummy_read(skel->progs.dump_ipv6_route);
+
+ bpf_iter_ipv6_route__destroy(skel);
+}
+
+static void test_netlink(void)
+{
+ struct bpf_iter_netlink *skel;
+
+ skel = bpf_iter_netlink__open_and_load();
+ if (CHECK(!skel, "bpf_iter_netlink__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ do_dummy_read(skel->progs.dump_netlink);
+
+ bpf_iter_netlink__destroy(skel);
+}
+
+static void test_bpf_map(void)
+{
+ struct bpf_iter_bpf_map *skel;
+
+ skel = bpf_iter_bpf_map__open_and_load();
+ if (CHECK(!skel, "bpf_iter_bpf_map__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ do_dummy_read(skel->progs.dump_bpf_map);
+
+ bpf_iter_bpf_map__destroy(skel);
+}
+
+static void test_task(void)
+{
+ struct bpf_iter_task *skel;
+
+ skel = bpf_iter_task__open_and_load();
+ if (CHECK(!skel, "bpf_iter_task__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ do_dummy_read(skel->progs.dump_task);
+
+ bpf_iter_task__destroy(skel);
+}
+
+static void test_task_file(void)
+{
+ struct bpf_iter_task_file *skel;
+
+ skel = bpf_iter_task_file__open_and_load();
+ if (CHECK(!skel, "bpf_iter_task_file__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ do_dummy_read(skel->progs.dump_task_file);
+
+ bpf_iter_task_file__destroy(skel);
+}
+
+/* The expected string is less than 16 bytes */
+static int do_read_with_fd(int iter_fd, const char *expected,
+ bool read_one_char)
+{
+ int err = -1, len, read_buf_len, start;
+ char buf[16] = {};
+
+ read_buf_len = read_one_char ? 1 : 16;
+ start = 0;
+ while ((len = read(iter_fd, buf + start, read_buf_len)) > 0) {
+ start += len;
+ if (CHECK(start >= 16, "read", "read len %d\n", len))
+ return -1;
+ read_buf_len = read_one_char ? 1 : 16 - start;
+ }
+ if (CHECK(len < 0, "read", "read failed: %s\n", strerror(errno)))
+ return -1;
+
+ err = strcmp(buf, expected);
+ if (CHECK(err, "read", "incorrect read result: buf %s, expected %s\n",
+ buf, expected))
+ return -1;
+
+ return 0;
+}
+
+static void test_anon_iter(bool read_one_char)
+{
+ struct bpf_iter_test_kern1 *skel;
+ struct bpf_link *link;
+ int iter_fd, err;
+
+ skel = bpf_iter_test_kern1__open_and_load();
+ if (CHECK(!skel, "bpf_iter_test_kern1__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ err = bpf_iter_test_kern1__attach(skel);
+ if (CHECK(err, "bpf_iter_test_kern1__attach",
+ "skeleton attach failed\n")) {
+ goto out;
+ }
+
+ link = skel->links.dump_task;
+ iter_fd = bpf_iter_create(bpf_link__fd(link));
+ if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))
+ goto out;
+
+ do_read_with_fd(iter_fd, "abcd", read_one_char);
+ close(iter_fd);
+
+out:
+ bpf_iter_test_kern1__destroy(skel);
+}
+
+static int do_read(const char *path, const char *expected)
+{
+ int err, iter_fd;
+
+ iter_fd = open(path, O_RDONLY);
+ if (CHECK(iter_fd < 0, "open", "open %s failed: %s\n",
+ path, strerror(errno)))
+ return -1;
+
+ err = do_read_with_fd(iter_fd, expected, false);
+ close(iter_fd);
+ return err;
+}
+
+static void test_file_iter(void)
+{
+ const char *path = "/sys/fs/bpf/bpf_iter_test1";
+ struct bpf_iter_test_kern1 *skel1;
+ struct bpf_iter_test_kern2 *skel2;
+ struct bpf_link *link;
+ int err;
+
+ skel1 = bpf_iter_test_kern1__open_and_load();
+ if (CHECK(!skel1, "bpf_iter_test_kern1__open_and_load",
+ "skeleton open_and_load failed\n"))
+ return;
+
+ link = bpf_program__attach_iter(skel1->progs.dump_task, NULL);
+ if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))
+ goto out;
+
+ /* unlink this path if it exists. */
+ unlink(path);
+
+ err = bpf_link__pin(link, path);
+ if (CHECK(err, "pin_iter", "pin_iter to %s failed: %d\n", path, err))
+ goto free_link;
+
+ err = do_read(path, "abcd");
+ if (err)
+ goto unlink_path;
+
+ /* file based iterator seems working fine. Let us a link update
+ * of the underlying link and `cat` the iterator again, its content
+ * should change.
+ */
+ skel2 = bpf_iter_test_kern2__open_and_load();
+ if (CHECK(!skel2, "bpf_iter_test_kern2__open_and_load",
+ "skeleton open_and_load failed\n"))
+ goto unlink_path;
+
+ err = bpf_link__update_program(link, skel2->progs.dump_task);
+ if (CHECK(err, "update_prog", "update_prog failed\n"))
+ goto destroy_skel2;
+
+ do_read(path, "ABCD");
+
+destroy_skel2:
+ bpf_iter_test_kern2__destroy(skel2);
+unlink_path:
+ unlink(path);
+free_link:
+ bpf_link__destroy(link);
+out:
+ bpf_iter_test_kern1__destroy(skel1);
+}
+
+static void test_overflow(bool test_e2big_overflow, bool ret1)
+{
+ __u32 map_info_len, total_read_len, expected_read_len;
+ int err, iter_fd, map1_fd, map2_fd, len;
+ struct bpf_map_info map_info = {};
+ struct bpf_iter_test_kern4 *skel;
+ struct bpf_link *link;
+ __u32 page_size;
+ char *buf;
+
+ skel = bpf_iter_test_kern4__open();
+ if (CHECK(!skel, "bpf_iter_test_kern4__open",
+ "skeleton open failed\n"))
+ return;
+
+ /* create two maps: bpf program will only do bpf_seq_write
+ * for these two maps. The goal is one map output almost
+ * fills seq_file buffer and then the other will trigger
+ * overflow and needs restart.
+ */
+ map1_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0);
+ if (CHECK(map1_fd < 0, "bpf_create_map",
+ "map_creation failed: %s\n", strerror(errno)))
+ goto out;
+ map2_fd = bpf_create_map(BPF_MAP_TYPE_ARRAY, 4, 8, 1, 0);
+ if (CHECK(map2_fd < 0, "bpf_create_map",
+ "map_creation failed: %s\n", strerror(errno)))
+ goto free_map1;
+
+ /* bpf_seq_printf kernel buffer is one page, so one map
+ * bpf_seq_write will mostly fill it, and the other map
+ * will partially fill and then trigger overflow and need
+ * bpf_seq_read restart.
+ */
+ page_size = sysconf(_SC_PAGE_SIZE);
+
+ if (test_e2big_overflow) {
+ skel->rodata->print_len = (page_size + 8) / 8;
+ expected_read_len = 2 * (page_size + 8);
+ } else if (!ret1) {
+ skel->rodata->print_len = (page_size - 8) / 8;
+ expected_read_len = 2 * (page_size - 8);
+ } else {
+ skel->rodata->print_len = 1;
+ expected_read_len = 2 * 8;
+ }
+ skel->rodata->ret1 = ret1;
+
+ if (CHECK(bpf_iter_test_kern4__load(skel),
+ "bpf_iter_test_kern4__load", "skeleton load failed\n"))
+ goto free_map2;
+
+ /* setup filtering map_id in bpf program */
+ map_info_len = sizeof(map_info);
+ err = bpf_obj_get_info_by_fd(map1_fd, &map_info, &map_info_len);
+ if (CHECK(err, "get_map_info", "get map info failed: %s\n",
+ strerror(errno)))
+ goto free_map2;
+ skel->bss->map1_id = map_info.id;
+
+ err = bpf_obj_get_info_by_fd(map2_fd, &map_info, &map_info_len);
+ if (CHECK(err, "get_map_info", "get map info failed: %s\n",
+ strerror(errno)))
+ goto free_map2;
+ skel->bss->map2_id = map_info.id;
+
+ link = bpf_program__attach_iter(skel->progs.dump_bpf_map, NULL);
+ if (CHECK(IS_ERR(link), "attach_iter", "attach_iter failed\n"))
+ goto free_map2;
+
+ iter_fd = bpf_iter_create(bpf_link__fd(link));
+ if (CHECK(iter_fd < 0, "create_iter", "create_iter failed\n"))
+ goto free_link;
+
+ buf = malloc(expected_read_len);
+ if (!buf)
+ goto close_iter;
+
+ /* do read */
+ total_read_len = 0;
+ if (test_e2big_overflow) {
+ while ((len = read(iter_fd, buf, expected_read_len)) > 0)
+ total_read_len += len;
+
+ CHECK(len != -1 || errno != E2BIG, "read",
+ "expected ret -1, errno E2BIG, but get ret %d, error %s\n",
+ len, strerror(errno));
+ goto free_buf;
+ } else if (!ret1) {
+ while ((len = read(iter_fd, buf, expected_read_len)) > 0)
+ total_read_len += len;
+
+ if (CHECK(len < 0, "read", "read failed: %s\n",
+ strerror(errno)))
+ goto free_buf;
+ } else {
+ do {
+ len = read(iter_fd, buf, expected_read_len);
+ if (len > 0)
+ total_read_len += len;
+ } while (len > 0 || len == -EAGAIN);
+
+ if (CHECK(len < 0, "read", "read failed: %s\n",
+ strerror(errno)))
+ goto free_buf;
+ }
+
+ if (CHECK(total_read_len != expected_read_len, "read",
+ "total len %u, expected len %u\n", total_read_len,
+ expected_read_len))
+ goto free_buf;
+
+ if (CHECK(skel->bss->map1_accessed != 1, "map1_accessed",
+ "expected 1 actual %d\n", skel->bss->map1_accessed))
+ goto free_buf;
+
+ if (CHECK(skel->bss->map2_accessed != 2, "map2_accessed",
+ "expected 2 actual %d\n", skel->bss->map2_accessed))
+ goto free_buf;
+
+ CHECK(skel->bss->map2_seqnum1 != skel->bss->map2_seqnum2,
+ "map2_seqnum", "two different seqnum %lld %lld\n",
+ skel->bss->map2_seqnum1, skel->bss->map2_seqnum2);
+
+free_buf:
+ free(buf);
+close_iter:
+ close(iter_fd);
+free_link:
+ bpf_link__destroy(link);
+free_map2:
+ close(map2_fd);
+free_map1:
+ close(map1_fd);
+out:
+ bpf_iter_test_kern4__destroy(skel);
+}
+
+void test_bpf_iter(void)
+{
+ if (test__start_subtest("btf_id_or_null"))
+ test_btf_id_or_null();
+ if (test__start_subtest("ipv6_route"))
+ test_ipv6_route();
+ if (test__start_subtest("netlink"))
+ test_netlink();
+ if (test__start_subtest("bpf_map"))
+ test_bpf_map();
+ if (test__start_subtest("task"))
+ test_task();
+ if (test__start_subtest("task_file"))
+ test_task_file();
+ if (test__start_subtest("anon"))
+ test_anon_iter(false);
+ if (test__start_subtest("anon-read-one-char"))
+ test_anon_iter(true);
+ if (test__start_subtest("file"))
+ test_file_iter();
+ if (test__start_subtest("overflow"))
+ test_overflow(false, false);
+ if (test__start_subtest("overflow-e2big"))
+ test_overflow(true, false);
+ if (test__start_subtest("prog-ret-1"))
+ test_overflow(false, true);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
index f10029821e16..7afa4160416f 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_id.c
@@ -1,26 +1,30 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#define nr_iters 2
+
void test_bpf_obj_id(void)
{
const __u64 array_magic_value = 0xfaceb00c;
const __u32 array_key = 0;
- const int nr_iters = 2;
const char *file = "./test_obj_id.o";
const char *expected_prog_name = "test_obj_id";
const char *expected_map_name = "test_map_id";
const __u64 nsec_per_sec = 1000000000;
- struct bpf_object *objs[nr_iters];
+ struct bpf_object *objs[nr_iters] = {};
+ struct bpf_link *links[nr_iters] = {};
+ struct bpf_program *prog;
int prog_fds[nr_iters], map_fds[nr_iters];
/* +1 to test for the info_len returned by kernel */
struct bpf_prog_info prog_infos[nr_iters + 1];
struct bpf_map_info map_infos[nr_iters + 1];
+ struct bpf_link_info link_infos[nr_iters + 1];
/* Each prog only uses one map. +1 to test nr_map_ids
* returned by kernel.
*/
__u32 map_ids[nr_iters + 1];
- char jited_insns[128], xlated_insns[128], zeros[128];
+ char jited_insns[128], xlated_insns[128], zeros[128], tp_name[128];
__u32 i, next_id, info_len, nr_id_found, duration = 0;
struct timespec real_time_ts, boot_time_ts;
int err = 0;
@@ -36,14 +40,15 @@ void test_bpf_obj_id(void)
CHECK(err >= 0 || errno != ENOENT,
"get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno);
- for (i = 0; i < nr_iters; i++)
- objs[i] = NULL;
+ err = bpf_link_get_fd_by_id(0);
+ CHECK(err >= 0 || errno != ENOENT,
+ "get-fd-by-notexist-link-id", "err %d errno %d\n", err, errno);
/* Check bpf_obj_get_info_by_fd() */
bzero(zeros, sizeof(zeros));
for (i = 0; i < nr_iters; i++) {
now = time(NULL);
- err = bpf_prog_load(file, BPF_PROG_TYPE_SOCKET_FILTER,
+ err = bpf_prog_load(file, BPF_PROG_TYPE_RAW_TRACEPOINT,
&objs[i], &prog_fds[i]);
/* test_obj_id.o is a dumb prog. It should never fail
* to load.
@@ -60,6 +65,17 @@ void test_bpf_obj_id(void)
if (CHECK_FAIL(err))
goto done;
+ prog = bpf_object__find_program_by_title(objs[i],
+ "raw_tp/sys_enter");
+ if (CHECK_FAIL(!prog))
+ goto done;
+ links[i] = bpf_program__attach(prog);
+ err = libbpf_get_error(links[i]);
+ if (CHECK(err, "prog_attach", "prog #%d, err %d\n", i, err)) {
+ links[i] = NULL;
+ goto done;
+ }
+
/* Check getting map info */
info_len = sizeof(struct bpf_map_info) * 2;
bzero(&map_infos[i], info_len);
@@ -107,7 +123,7 @@ void test_bpf_obj_id(void)
load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec)
+ (prog_infos[i].load_time / nsec_per_sec);
if (CHECK(err ||
- prog_infos[i].type != BPF_PROG_TYPE_SOCKET_FILTER ||
+ prog_infos[i].type != BPF_PROG_TYPE_RAW_TRACEPOINT ||
info_len != sizeof(struct bpf_prog_info) ||
(env.jit_enabled && !prog_infos[i].jited_prog_len) ||
(env.jit_enabled &&
@@ -120,7 +136,11 @@ void test_bpf_obj_id(void)
*(int *)(long)prog_infos[i].map_ids != map_infos[i].id ||
strcmp((char *)prog_infos[i].name, expected_prog_name),
"get-prog-info(fd)",
- "err %d errno %d i %d type %d(%d) info_len %u(%zu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d load_time %lu(%lu) uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) name %s(%s)\n",
+ "err %d errno %d i %d type %d(%d) info_len %u(%zu) "
+ "jit_enabled %d jited_prog_len %u xlated_prog_len %u "
+ "jited_prog %d xlated_prog %d load_time %lu(%lu) "
+ "uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) "
+ "name %s(%s)\n",
err, errno, i,
prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER,
info_len, sizeof(struct bpf_prog_info),
@@ -135,6 +155,33 @@ void test_bpf_obj_id(void)
*(int *)(long)prog_infos[i].map_ids, map_infos[i].id,
prog_infos[i].name, expected_prog_name))
goto done;
+
+ /* Check getting link info */
+ info_len = sizeof(struct bpf_link_info) * 2;
+ bzero(&link_infos[i], info_len);
+ link_infos[i].raw_tracepoint.tp_name = (__u64)&tp_name;
+ link_infos[i].raw_tracepoint.tp_name_len = sizeof(tp_name);
+ err = bpf_obj_get_info_by_fd(bpf_link__fd(links[i]),
+ &link_infos[i], &info_len);
+ if (CHECK(err ||
+ link_infos[i].type != BPF_LINK_TYPE_RAW_TRACEPOINT ||
+ link_infos[i].prog_id != prog_infos[i].id ||
+ link_infos[i].raw_tracepoint.tp_name != (__u64)&tp_name ||
+ strcmp((char *)link_infos[i].raw_tracepoint.tp_name,
+ "sys_enter") ||
+ info_len != sizeof(struct bpf_link_info),
+ "get-link-info(fd)",
+ "err %d errno %d info_len %u(%zu) type %d(%d) id %d "
+ "prog_id %d (%d) tp_name %s(%s)\n",
+ err, errno,
+ info_len, sizeof(struct bpf_link_info),
+ link_infos[i].type, BPF_LINK_TYPE_RAW_TRACEPOINT,
+ link_infos[i].id,
+ link_infos[i].prog_id, prog_infos[i].id,
+ (char *)link_infos[i].raw_tracepoint.tp_name,
+ "sys_enter"))
+ goto done;
+
}
/* Check bpf_prog_get_next_id() */
@@ -247,7 +294,52 @@ void test_bpf_obj_id(void)
"nr_id_found %u(%u)\n",
nr_id_found, nr_iters);
+ /* Check bpf_link_get_next_id() */
+ nr_id_found = 0;
+ next_id = 0;
+ while (!bpf_link_get_next_id(next_id, &next_id)) {
+ struct bpf_link_info link_info;
+ int link_fd, cmp_res;
+
+ info_len = sizeof(link_info);
+ memset(&link_info, 0, info_len);
+
+ link_fd = bpf_link_get_fd_by_id(next_id);
+ if (link_fd < 0 && errno == ENOENT)
+ /* The bpf_link is in the dead row */
+ continue;
+ if (CHECK(link_fd < 0, "get-link-fd(next_id)",
+ "link_fd %d next_id %u errno %d\n",
+ link_fd, next_id, errno))
+ break;
+
+ for (i = 0; i < nr_iters; i++)
+ if (link_infos[i].id == next_id)
+ break;
+
+ if (i == nr_iters)
+ continue;
+
+ nr_id_found++;
+
+ err = bpf_obj_get_info_by_fd(link_fd, &link_info, &info_len);
+ cmp_res = memcmp(&link_info, &link_infos[i],
+ offsetof(struct bpf_link_info, raw_tracepoint));
+ CHECK(err || info_len != sizeof(link_info) || cmp_res,
+ "check get-link-info(next_id->fd)",
+ "err %d errno %d info_len %u(%zu) memcmp %d\n",
+ err, errno, info_len, sizeof(struct bpf_link_info),
+ cmp_res);
+
+ close(link_fd);
+ }
+ CHECK(nr_id_found != nr_iters,
+ "check total link id found by get_next_id",
+ "nr_id_found %u(%u)\n", nr_id_found, nr_iters);
+
done:
- for (i = 0; i < nr_iters; i++)
+ for (i = 0; i < nr_iters; i++) {
+ bpf_link__destroy(links[i]);
bpf_object__close(objs[i]);
+ }
}
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c
new file mode 100644
index 000000000000..f7ee8fa377ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/btf_map_in_map.c
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+
+#include <test_progs.h>
+
+#include "test_btf_map_in_map.skel.h"
+
+void test_btf_map_in_map(void)
+{
+ int duration = 0, err, key = 0, val;
+ struct test_btf_map_in_map* skel;
+
+ skel = test_btf_map_in_map__open_and_load();
+ if (CHECK(!skel, "skel_open", "failed to open&load skeleton\n"))
+ return;
+
+ err = test_btf_map_in_map__attach(skel);
+ if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
+ goto cleanup;
+
+ /* inner1 = input, inner2 = input + 1 */
+ val = bpf_map__fd(skel->maps.inner_map1);
+ bpf_map_update_elem(bpf_map__fd(skel->maps.outer_arr), &key, &val, 0);
+ val = bpf_map__fd(skel->maps.inner_map2);
+ bpf_map_update_elem(bpf_map__fd(skel->maps.outer_hash), &key, &val, 0);
+ skel->bss->input = 1;
+ usleep(1);
+
+ bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map1), &key, &val);
+ CHECK(val != 1, "inner1", "got %d != exp %d\n", val, 1);
+ bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map2), &key, &val);
+ CHECK(val != 2, "inner2", "got %d != exp %d\n", val, 2);
+
+ /* inner1 = input + 1, inner2 = input */
+ val = bpf_map__fd(skel->maps.inner_map2);
+ bpf_map_update_elem(bpf_map__fd(skel->maps.outer_arr), &key, &val, 0);
+ val = bpf_map__fd(skel->maps.inner_map1);
+ bpf_map_update_elem(bpf_map__fd(skel->maps.outer_hash), &key, &val, 0);
+ skel->bss->input = 3;
+ usleep(1);
+
+ bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map1), &key, &val);
+ CHECK(val != 4, "inner1", "got %d != exp %d\n", val, 4);
+ bpf_map_lookup_elem(bpf_map__fd(skel->maps.inner_map2), &key, &val);
+ CHECK(val != 3, "inner2", "got %d != exp %d\n", val, 3);
+
+cleanup:
+ test_btf_map_in_map__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c
new file mode 100644
index 000000000000..059047af7df3
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_skb_sk_lookup.c
@@ -0,0 +1,95 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <test_progs.h>
+
+#include "network_helpers.h"
+#include "cgroup_skb_sk_lookup_kern.skel.h"
+
+static void run_lookup_test(__u16 *g_serv_port, int out_sk)
+{
+ int serv_sk = -1, in_sk = -1, serv_in_sk = -1, err;
+ struct sockaddr_in6 addr = {};
+ socklen_t addr_len = sizeof(addr);
+ __u32 duration = 0;
+
+ serv_sk = start_server(AF_INET6, SOCK_STREAM);
+ if (CHECK(serv_sk < 0, "start_server", "failed to start server\n"))
+ return;
+
+ err = getsockname(serv_sk, (struct sockaddr *)&addr, &addr_len);
+ if (CHECK(err, "getsockname", "errno %d\n", errno))
+ goto cleanup;
+
+ *g_serv_port = addr.sin6_port;
+
+ /* Client outside of test cgroup should fail to connect by timeout. */
+ err = connect_fd_to_fd(out_sk, serv_sk);
+ if (CHECK(!err || errno != EINPROGRESS, "connect_fd_to_fd",
+ "unexpected result err %d errno %d\n", err, errno))
+ goto cleanup;
+
+ err = connect_wait(out_sk);
+ if (CHECK(err, "connect_wait", "unexpected result %d\n", err))
+ goto cleanup;
+
+ /* Client inside test cgroup should connect just fine. */
+ in_sk = connect_to_fd(AF_INET6, SOCK_STREAM, serv_sk);
+ if (CHECK(in_sk < 0, "connect_to_fd", "errno %d\n", errno))
+ goto cleanup;
+
+ serv_in_sk = accept(serv_sk, NULL, NULL);
+ if (CHECK(serv_in_sk < 0, "accept", "errno %d\n", errno))
+ goto cleanup;
+
+cleanup:
+ close(serv_in_sk);
+ close(in_sk);
+ close(serv_sk);
+}
+
+static void run_cgroup_bpf_test(const char *cg_path, int out_sk)
+{
+ struct cgroup_skb_sk_lookup_kern *skel;
+ struct bpf_link *link;
+ __u32 duration = 0;
+ int cgfd = -1;
+
+ skel = cgroup_skb_sk_lookup_kern__open_and_load();
+ if (CHECK(!skel, "skel_open_load", "open_load failed\n"))
+ return;
+
+ cgfd = test__join_cgroup(cg_path);
+ if (CHECK(cgfd < 0, "cgroup_join", "cgroup setup failed\n"))
+ goto cleanup;
+
+ link = bpf_program__attach_cgroup(skel->progs.ingress_lookup, cgfd);
+ if (CHECK(IS_ERR(link), "cgroup_attach", "err: %ld\n", PTR_ERR(link)))
+ goto cleanup;
+
+ run_lookup_test(&skel->bss->g_serv_port, out_sk);
+
+ bpf_link__destroy(link);
+
+cleanup:
+ close(cgfd);
+ cgroup_skb_sk_lookup_kern__destroy(skel);
+}
+
+void test_cgroup_skb_sk_lookup(void)
+{
+ const char *cg_path = "/foo";
+ int out_sk;
+
+ /* Create a socket before joining testing cgroup so that its cgroup id
+ * differs from that of testing cgroup. Moving selftests process to
+ * testing cgroup won't change cgroup id of an already created socket.
+ */
+ out_sk = socket(AF_INET6, SOCK_STREAM | SOCK_NONBLOCK, 0);
+ if (CHECK_FAIL(out_sk < 0))
+ return;
+
+ run_cgroup_bpf_test(cg_path, out_sk);
+
+ close(out_sk);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
new file mode 100644
index 000000000000..f259085cca6a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
@@ -0,0 +1,456 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2020 Cloudflare
+
+#define _GNU_SOURCE
+
+#include <arpa/inet.h>
+#include <string.h>
+
+#include <linux/pkt_cls.h>
+
+#include <test_progs.h>
+
+#include "progs/test_cls_redirect.h"
+#include "test_cls_redirect.skel.h"
+
+#define ENCAP_IP INADDR_LOOPBACK
+#define ENCAP_PORT (1234)
+
+struct addr_port {
+ in_port_t port;
+ union {
+ struct in_addr in_addr;
+ struct in6_addr in6_addr;
+ };
+};
+
+struct tuple {
+ int family;
+ struct addr_port src;
+ struct addr_port dst;
+};
+
+static int start_server(const struct sockaddr *addr, socklen_t len, int type)
+{
+ int fd = socket(addr->sa_family, type, 0);
+ if (CHECK_FAIL(fd == -1))
+ return -1;
+ if (CHECK_FAIL(bind(fd, addr, len) == -1))
+ goto err;
+ if (type == SOCK_STREAM && CHECK_FAIL(listen(fd, 128) == -1))
+ goto err;
+
+ return fd;
+
+err:
+ close(fd);
+ return -1;
+}
+
+static int connect_to_server(const struct sockaddr *addr, socklen_t len,
+ int type)
+{
+ int fd = socket(addr->sa_family, type, 0);
+ if (CHECK_FAIL(fd == -1))
+ return -1;
+ if (CHECK_FAIL(connect(fd, addr, len)))
+ goto err;
+
+ return fd;
+
+err:
+ close(fd);
+ return -1;
+}
+
+static bool fill_addr_port(const struct sockaddr *sa, struct addr_port *ap)
+{
+ const struct sockaddr_in6 *in6;
+ const struct sockaddr_in *in;
+
+ switch (sa->sa_family) {
+ case AF_INET:
+ in = (const struct sockaddr_in *)sa;
+ ap->in_addr = in->sin_addr;
+ ap->port = in->sin_port;
+ return true;
+
+ case AF_INET6:
+ in6 = (const struct sockaddr_in6 *)sa;
+ ap->in6_addr = in6->sin6_addr;
+ ap->port = in6->sin6_port;
+ return true;
+
+ default:
+ return false;
+ }
+}
+
+static bool set_up_conn(const struct sockaddr *addr, socklen_t len, int type,
+ int *server, int *conn, struct tuple *tuple)
+{
+ struct sockaddr_storage ss;
+ socklen_t slen = sizeof(ss);
+ struct sockaddr *sa = (struct sockaddr *)&ss;
+
+ *server = start_server(addr, len, type);
+ if (*server < 0)
+ return false;
+
+ if (CHECK_FAIL(getsockname(*server, sa, &slen)))
+ goto close_server;
+
+ *conn = connect_to_server(sa, slen, type);
+ if (*conn < 0)
+ goto close_server;
+
+ /* We want to simulate packets arriving at conn, so we have to
+ * swap src and dst.
+ */
+ slen = sizeof(ss);
+ if (CHECK_FAIL(getsockname(*conn, sa, &slen)))
+ goto close_conn;
+
+ if (CHECK_FAIL(!fill_addr_port(sa, &tuple->dst)))
+ goto close_conn;
+
+ slen = sizeof(ss);
+ if (CHECK_FAIL(getpeername(*conn, sa, &slen)))
+ goto close_conn;
+
+ if (CHECK_FAIL(!fill_addr_port(sa, &tuple->src)))
+ goto close_conn;
+
+ tuple->family = ss.ss_family;
+ return true;
+
+close_conn:
+ close(*conn);
+ *conn = -1;
+close_server:
+ close(*server);
+ *server = -1;
+ return false;
+}
+
+static socklen_t prepare_addr(struct sockaddr_storage *addr, int family)
+{
+ struct sockaddr_in *addr4;
+ struct sockaddr_in6 *addr6;
+
+ switch (family) {
+ case AF_INET:
+ addr4 = (struct sockaddr_in *)addr;
+ memset(addr4, 0, sizeof(*addr4));
+ addr4->sin_family = family;
+ addr4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ return sizeof(*addr4);
+ case AF_INET6:
+ addr6 = (struct sockaddr_in6 *)addr;
+ memset(addr6, 0, sizeof(*addr6));
+ addr6->sin6_family = family;
+ addr6->sin6_addr = in6addr_loopback;
+ return sizeof(*addr6);
+ default:
+ fprintf(stderr, "Invalid family %d", family);
+ return 0;
+ }
+}
+
+static bool was_decapsulated(struct bpf_prog_test_run_attr *tattr)
+{
+ return tattr->data_size_out < tattr->data_size_in;
+}
+
+enum type {
+ UDP,
+ TCP,
+ __NR_KIND,
+};
+
+enum hops {
+ NO_HOPS,
+ ONE_HOP,
+};
+
+enum flags {
+ NONE,
+ SYN,
+ ACK,
+};
+
+enum conn {
+ KNOWN_CONN,
+ UNKNOWN_CONN,
+};
+
+enum result {
+ ACCEPT,
+ FORWARD,
+};
+
+struct test_cfg {
+ enum type type;
+ enum result result;
+ enum conn conn;
+ enum hops hops;
+ enum flags flags;
+};
+
+static int test_str(void *buf, size_t len, const struct test_cfg *test,
+ int family)
+{
+ const char *family_str, *type, *conn, *hops, *result, *flags;
+
+ family_str = "IPv4";
+ if (family == AF_INET6)
+ family_str = "IPv6";
+
+ type = "TCP";
+ if (test->type == UDP)
+ type = "UDP";
+
+ conn = "known";
+ if (test->conn == UNKNOWN_CONN)
+ conn = "unknown";
+
+ hops = "no hops";
+ if (test->hops == ONE_HOP)
+ hops = "one hop";
+
+ result = "accept";
+ if (test->result == FORWARD)
+ result = "forward";
+
+ flags = "none";
+ if (test->flags == SYN)
+ flags = "SYN";
+ else if (test->flags == ACK)
+ flags = "ACK";
+
+ return snprintf(buf, len, "%s %s %s %s (%s, flags: %s)", family_str,
+ type, result, conn, hops, flags);
+}
+
+static struct test_cfg tests[] = {
+ { TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, SYN },
+ { TCP, ACCEPT, UNKNOWN_CONN, NO_HOPS, ACK },
+ { TCP, FORWARD, UNKNOWN_CONN, ONE_HOP, ACK },
+ { TCP, ACCEPT, KNOWN_CONN, ONE_HOP, ACK },
+ { UDP, ACCEPT, UNKNOWN_CONN, NO_HOPS, NONE },
+ { UDP, FORWARD, UNKNOWN_CONN, ONE_HOP, NONE },
+ { UDP, ACCEPT, KNOWN_CONN, ONE_HOP, NONE },
+};
+
+static void encap_init(encap_headers_t *encap, uint8_t hop_count, uint8_t proto)
+{
+ const uint8_t hlen =
+ (sizeof(struct guehdr) / sizeof(uint32_t)) + hop_count;
+ *encap = (encap_headers_t){
+ .eth = { .h_proto = htons(ETH_P_IP) },
+ .ip = {
+ .ihl = 5,
+ .version = 4,
+ .ttl = IPDEFTTL,
+ .protocol = IPPROTO_UDP,
+ .daddr = htonl(ENCAP_IP)
+ },
+ .udp = {
+ .dest = htons(ENCAP_PORT),
+ },
+ .gue = {
+ .hlen = hlen,
+ .proto_ctype = proto
+ },
+ .unigue = {
+ .hop_count = hop_count
+ },
+ };
+}
+
+static size_t build_input(const struct test_cfg *test, void *const buf,
+ const struct tuple *tuple)
+{
+ in_port_t sport = tuple->src.port;
+ encap_headers_t encap;
+ struct iphdr ip;
+ struct ipv6hdr ipv6;
+ struct tcphdr tcp;
+ struct udphdr udp;
+ struct in_addr next_hop;
+ uint8_t *p = buf;
+ int proto;
+
+ proto = IPPROTO_IPIP;
+ if (tuple->family == AF_INET6)
+ proto = IPPROTO_IPV6;
+
+ encap_init(&encap, test->hops == ONE_HOP ? 1 : 0, proto);
+ p = mempcpy(p, &encap, sizeof(encap));
+
+ if (test->hops == ONE_HOP) {
+ next_hop = (struct in_addr){ .s_addr = htonl(0x7f000002) };
+ p = mempcpy(p, &next_hop, sizeof(next_hop));
+ }
+
+ proto = IPPROTO_TCP;
+ if (test->type == UDP)
+ proto = IPPROTO_UDP;
+
+ switch (tuple->family) {
+ case AF_INET:
+ ip = (struct iphdr){
+ .ihl = 5,
+ .version = 4,
+ .ttl = IPDEFTTL,
+ .protocol = proto,
+ .saddr = tuple->src.in_addr.s_addr,
+ .daddr = tuple->dst.in_addr.s_addr,
+ };
+ p = mempcpy(p, &ip, sizeof(ip));
+ break;
+ case AF_INET6:
+ ipv6 = (struct ipv6hdr){
+ .version = 6,
+ .hop_limit = IPDEFTTL,
+ .nexthdr = proto,
+ .saddr = tuple->src.in6_addr,
+ .daddr = tuple->dst.in6_addr,
+ };
+ p = mempcpy(p, &ipv6, sizeof(ipv6));
+ break;
+ default:
+ return 0;
+ }
+
+ if (test->conn == UNKNOWN_CONN)
+ sport--;
+
+ switch (test->type) {
+ case TCP:
+ tcp = (struct tcphdr){
+ .source = sport,
+ .dest = tuple->dst.port,
+ };
+ if (test->flags == SYN)
+ tcp.syn = true;
+ if (test->flags == ACK)
+ tcp.ack = true;
+ p = mempcpy(p, &tcp, sizeof(tcp));
+ break;
+ case UDP:
+ udp = (struct udphdr){
+ .source = sport,
+ .dest = tuple->dst.port,
+ };
+ p = mempcpy(p, &udp, sizeof(udp));
+ break;
+ default:
+ return 0;
+ }
+
+ return (void *)p - buf;
+}
+
+static void close_fds(int *fds, int n)
+{
+ int i;
+
+ for (i = 0; i < n; i++)
+ if (fds[i] > 0)
+ close(fds[i]);
+}
+
+void test_cls_redirect(void)
+{
+ struct test_cls_redirect *skel = NULL;
+ struct bpf_prog_test_run_attr tattr = {};
+ int families[] = { AF_INET, AF_INET6 };
+ struct sockaddr_storage ss;
+ struct sockaddr *addr;
+ socklen_t slen;
+ int i, j, err;
+
+ int servers[__NR_KIND][ARRAY_SIZE(families)] = {};
+ int conns[__NR_KIND][ARRAY_SIZE(families)] = {};
+ struct tuple tuples[__NR_KIND][ARRAY_SIZE(families)];
+
+ skel = test_cls_redirect__open();
+ if (CHECK_FAIL(!skel))
+ return;
+
+ skel->rodata->ENCAPSULATION_IP = htonl(ENCAP_IP);
+ skel->rodata->ENCAPSULATION_PORT = htons(ENCAP_PORT);
+
+ if (CHECK_FAIL(test_cls_redirect__load(skel)))
+ goto cleanup;
+
+ addr = (struct sockaddr *)&ss;
+ for (i = 0; i < ARRAY_SIZE(families); i++) {
+ slen = prepare_addr(&ss, families[i]);
+ if (CHECK_FAIL(!slen))
+ goto cleanup;
+
+ if (CHECK_FAIL(!set_up_conn(addr, slen, SOCK_DGRAM,
+ &servers[UDP][i], &conns[UDP][i],
+ &tuples[UDP][i])))
+ goto cleanup;
+
+ if (CHECK_FAIL(!set_up_conn(addr, slen, SOCK_STREAM,
+ &servers[TCP][i], &conns[TCP][i],
+ &tuples[TCP][i])))
+ goto cleanup;
+ }
+
+ tattr.prog_fd = bpf_program__fd(skel->progs.cls_redirect);
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ struct test_cfg *test = &tests[i];
+
+ for (j = 0; j < ARRAY_SIZE(families); j++) {
+ struct tuple *tuple = &tuples[test->type][j];
+ char input[256];
+ char tmp[256];
+
+ test_str(tmp, sizeof(tmp), test, tuple->family);
+ if (!test__start_subtest(tmp))
+ continue;
+
+ tattr.data_out = tmp;
+ tattr.data_size_out = sizeof(tmp);
+
+ tattr.data_in = input;
+ tattr.data_size_in = build_input(test, input, tuple);
+ if (CHECK_FAIL(!tattr.data_size_in))
+ continue;
+
+ err = bpf_prog_test_run_xattr(&tattr);
+ if (CHECK_FAIL(err))
+ continue;
+
+ if (tattr.retval != TC_ACT_REDIRECT) {
+ PRINT_FAIL("expected TC_ACT_REDIRECT, got %d\n",
+ tattr.retval);
+ continue;
+ }
+
+ switch (test->result) {
+ case ACCEPT:
+ if (CHECK_FAIL(!was_decapsulated(&tattr)))
+ continue;
+ break;
+ case FORWARD:
+ if (CHECK_FAIL(was_decapsulated(&tattr)))
+ continue;
+ break;
+ default:
+ PRINT_FAIL("unknown result %d\n", test->result);
+ continue;
+ }
+ }
+ }
+
+cleanup:
+ test_cls_redirect__destroy(skel);
+ close_fds((int *)servers, sizeof(servers) / sizeof(servers[0][0]));
+ close_fds((int *)conns, sizeof(conns) / sizeof(conns[0][0]));
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/connect_force_port.c b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c
new file mode 100644
index 000000000000..17bbf76812ca
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/connect_force_port.c
@@ -0,0 +1,166 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <test_progs.h>
+#include "cgroup_helpers.h"
+#include "network_helpers.h"
+
+static int verify_ports(int family, int fd,
+ __u16 expected_local, __u16 expected_peer)
+{
+ struct sockaddr_storage addr;
+ socklen_t len = sizeof(addr);
+ __u16 port;
+
+ if (getsockname(fd, (struct sockaddr *)&addr, &len)) {
+ log_err("Failed to get server addr");
+ return -1;
+ }
+
+ if (family == AF_INET)
+ port = ((struct sockaddr_in *)&addr)->sin_port;
+ else
+ port = ((struct sockaddr_in6 *)&addr)->sin6_port;
+
+ if (ntohs(port) != expected_local) {
+ log_err("Unexpected local port %d, expected %d", ntohs(port),
+ expected_local);
+ return -1;
+ }
+
+ if (getpeername(fd, (struct sockaddr *)&addr, &len)) {
+ log_err("Failed to get peer addr");
+ return -1;
+ }
+
+ if (family == AF_INET)
+ port = ((struct sockaddr_in *)&addr)->sin_port;
+ else
+ port = ((struct sockaddr_in6 *)&addr)->sin6_port;
+
+ if (ntohs(port) != expected_peer) {
+ log_err("Unexpected peer port %d, expected %d", ntohs(port),
+ expected_peer);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int run_test(int cgroup_fd, int server_fd, int family, int type)
+{
+ bool v4 = family == AF_INET;
+ __u16 expected_local_port = v4 ? 22222 : 22223;
+ __u16 expected_peer_port = 60000;
+ struct bpf_prog_load_attr attr = {
+ .file = v4 ? "./connect_force_port4.o" :
+ "./connect_force_port6.o",
+ };
+ struct bpf_program *prog;
+ struct bpf_object *obj;
+ int xlate_fd, fd, err;
+ __u32 duration = 0;
+
+ err = bpf_prog_load_xattr(&attr, &obj, &xlate_fd);
+ if (err) {
+ log_err("Failed to load BPF object");
+ return -1;
+ }
+
+ prog = bpf_object__find_program_by_title(obj, v4 ?
+ "cgroup/connect4" :
+ "cgroup/connect6");
+ if (CHECK(!prog, "find_prog", "connect prog not found\n")) {
+ err = -EIO;
+ goto close_bpf_object;
+ }
+
+ err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+ BPF_CGROUP_INET4_CONNECT :
+ BPF_CGROUP_INET6_CONNECT, 0);
+ if (err) {
+ log_err("Failed to attach BPF program");
+ goto close_bpf_object;
+ }
+
+ prog = bpf_object__find_program_by_title(obj, v4 ?
+ "cgroup/getpeername4" :
+ "cgroup/getpeername6");
+ if (CHECK(!prog, "find_prog", "getpeername prog not found\n")) {
+ err = -EIO;
+ goto close_bpf_object;
+ }
+
+ err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+ BPF_CGROUP_INET4_GETPEERNAME :
+ BPF_CGROUP_INET6_GETPEERNAME, 0);
+ if (err) {
+ log_err("Failed to attach BPF program");
+ goto close_bpf_object;
+ }
+
+ prog = bpf_object__find_program_by_title(obj, v4 ?
+ "cgroup/getsockname4" :
+ "cgroup/getsockname6");
+ if (CHECK(!prog, "find_prog", "getsockname prog not found\n")) {
+ err = -EIO;
+ goto close_bpf_object;
+ }
+
+ err = bpf_prog_attach(bpf_program__fd(prog), cgroup_fd, v4 ?
+ BPF_CGROUP_INET4_GETSOCKNAME :
+ BPF_CGROUP_INET6_GETSOCKNAME, 0);
+ if (err) {
+ log_err("Failed to attach BPF program");
+ goto close_bpf_object;
+ }
+
+ fd = connect_to_fd(family, type, server_fd);
+ if (fd < 0) {
+ err = -1;
+ goto close_bpf_object;
+ }
+
+ err = verify_ports(family, fd, expected_local_port,
+ expected_peer_port);
+ close(fd);
+
+close_bpf_object:
+ bpf_object__close(obj);
+ return err;
+}
+
+void test_connect_force_port(void)
+{
+ int server_fd, cgroup_fd;
+
+ cgroup_fd = test__join_cgroup("/connect_force_port");
+ if (CHECK_FAIL(cgroup_fd < 0))
+ return;
+
+ server_fd = start_server_with_port(AF_INET, SOCK_STREAM, 60123);
+ if (CHECK_FAIL(server_fd < 0))
+ goto close_cgroup_fd;
+ CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET, SOCK_STREAM));
+ close(server_fd);
+
+ server_fd = start_server_with_port(AF_INET6, SOCK_STREAM, 60124);
+ if (CHECK_FAIL(server_fd < 0))
+ goto close_cgroup_fd;
+ CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET6, SOCK_STREAM));
+ close(server_fd);
+
+ server_fd = start_server_with_port(AF_INET, SOCK_DGRAM, 60123);
+ if (CHECK_FAIL(server_fd < 0))
+ goto close_cgroup_fd;
+ CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET, SOCK_DGRAM));
+ close(server_fd);
+
+ server_fd = start_server_with_port(AF_INET6, SOCK_DGRAM, 60124);
+ if (CHECK_FAIL(server_fd < 0))
+ goto close_cgroup_fd;
+ CHECK_FAIL(run_test(cgroup_fd, server_fd, AF_INET6, SOCK_DGRAM));
+ close(server_fd);
+
+close_cgroup_fd:
+ close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
index 31e177adbdf1..084ed26a7d78 100644
--- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c
+++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
@@ -392,7 +392,7 @@ static struct core_reloc_test_case test_cases[] = {
.input = STRUCT_TO_CHAR_PTR(core_reloc_existence___minimal) {
.a = 42,
},
- .input_len = sizeof(struct core_reloc_existence),
+ .input_len = sizeof(struct core_reloc_existence___minimal),
.output = STRUCT_TO_CHAR_PTR(core_reloc_existence_output) {
.a_exists = 1,
.b_exists = 0,
diff --git a/tools/testing/selftests/bpf/prog_tests/enable_stats.c b/tools/testing/selftests/bpf/prog_tests/enable_stats.c
new file mode 100644
index 000000000000..2cb2085917e7
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/enable_stats.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include "test_enable_stats.skel.h"
+
+void test_enable_stats(void)
+{
+ struct test_enable_stats *skel;
+ int stats_fd, err, prog_fd;
+ struct bpf_prog_info info;
+ __u32 info_len = sizeof(info);
+ int duration = 0;
+
+ skel = test_enable_stats__open_and_load();
+ if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n"))
+ return;
+
+ stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME);
+ if (CHECK(stats_fd < 0, "get_stats_fd", "failed %d\n", errno)) {
+ test_enable_stats__destroy(skel);
+ return;
+ }
+
+ err = test_enable_stats__attach(skel);
+ if (CHECK(err, "attach_raw_tp", "err %d\n", err))
+ goto cleanup;
+
+ test_enable_stats__detach(skel);
+
+ prog_fd = bpf_program__fd(skel->progs.test_enable_stats);
+ memset(&info, 0, info_len);
+ err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
+ if (CHECK(err, "get_prog_info",
+ "failed to get bpf_prog_info for fd %d\n", prog_fd))
+ goto cleanup;
+ if (CHECK(info.run_time_ns == 0, "check_stats_enabled",
+ "failed to enable run_time_ns stats\n"))
+ goto cleanup;
+
+ CHECK(info.run_cnt != skel->bss->count, "check_run_cnt_valid",
+ "invalid run_cnt stats\n");
+
+cleanup:
+ test_enable_stats__destroy(skel);
+ close(stats_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
index cde463af7071..a895bfed55db 100644
--- a/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c
@@ -1,11 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
#include <test_progs.h>
+#include <network_helpers.h>
static void test_fexit_bpf2bpf_common(const char *obj_file,
const char *target_obj_file,
int prog_cnt,
- const char **prog_name)
+ const char **prog_name,
+ bool run_prog)
{
struct bpf_object *obj = NULL, *pkt_obj;
int err, pkt_fd, i;
@@ -18,7 +20,8 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
err = bpf_prog_load(target_obj_file, BPF_PROG_TYPE_UNSPEC,
&pkt_obj, &pkt_fd);
- if (CHECK(err, "prog_load sched cls", "err %d errno %d\n", err, errno))
+ if (CHECK(err, "tgt_prog_load", "file %s err %d errno %d\n",
+ target_obj_file, err, errno))
return;
DECLARE_LIBBPF_OPTS(bpf_object_open_opts, opts,
.attach_prog_fd = pkt_fd,
@@ -33,7 +36,7 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
obj = bpf_object__open_file(obj_file, &opts);
if (CHECK(IS_ERR_OR_NULL(obj), "obj_open",
- "failed to open fexit_bpf2bpf: %ld\n",
+ "failed to open %s: %ld\n", obj_file,
PTR_ERR(obj)))
goto close_prog;
@@ -49,6 +52,10 @@ static void test_fexit_bpf2bpf_common(const char *obj_file,
if (CHECK(IS_ERR(link[i]), "attach_trace", "failed to link\n"))
goto close_prog;
}
+
+ if (!run_prog)
+ goto close_prog;
+
data_map = bpf_object__find_map_by_name(obj, "fexit_bp.bss");
if (CHECK(!data_map, "find_data_map", "data map not found\n"))
goto close_prog;
@@ -89,7 +96,7 @@ static void test_target_no_callees(void)
test_fexit_bpf2bpf_common("./fexit_bpf2bpf_simple.o",
"./test_pkt_md_access.o",
ARRAY_SIZE(prog_name),
- prog_name);
+ prog_name, true);
}
static void test_target_yes_callees(void)
@@ -103,7 +110,7 @@ static void test_target_yes_callees(void)
test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o",
"./test_pkt_access.o",
ARRAY_SIZE(prog_name),
- prog_name);
+ prog_name, true);
}
static void test_func_replace(void)
@@ -120,7 +127,18 @@ static void test_func_replace(void)
test_fexit_bpf2bpf_common("./fexit_bpf2bpf.o",
"./test_pkt_access.o",
ARRAY_SIZE(prog_name),
- prog_name);
+ prog_name, true);
+}
+
+static void test_func_replace_verify(void)
+{
+ const char *prog_name[] = {
+ "freplace/do_bind",
+ };
+ test_fexit_bpf2bpf_common("./freplace_connect4.o",
+ "./connect4_prog.o",
+ ARRAY_SIZE(prog_name),
+ prog_name, false);
}
void test_fexit_bpf2bpf(void)
@@ -128,4 +146,5 @@ void test_fexit_bpf2bpf(void)
test_target_no_callees();
test_target_yes_callees();
test_func_replace();
+ test_func_replace_verify();
}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index 92563898867c..ea14e3ece812 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -1,10 +1,13 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
#include <error.h>
#include <linux/if.h>
#include <linux/if_tun.h>
#include <sys/uio.h>
+#include "bpf_flow.skel.h"
+
#ifndef IP_MF
#define IP_MF 0x2000
#endif
@@ -100,6 +103,7 @@ struct test {
#define VLAN_HLEN 4
+static __u32 duration;
struct test tests[] = {
{
.name = "ipv4",
@@ -443,17 +447,130 @@ static int ifup(const char *ifname)
return 0;
}
+static int init_prog_array(struct bpf_object *obj, struct bpf_map *prog_array)
+{
+ int i, err, map_fd, prog_fd;
+ struct bpf_program *prog;
+ char prog_name[32];
+
+ map_fd = bpf_map__fd(prog_array);
+ if (map_fd < 0)
+ return -1;
+
+ for (i = 0; i < bpf_map__def(prog_array)->max_entries; i++) {
+ snprintf(prog_name, sizeof(prog_name), "flow_dissector/%i", i);
+
+ prog = bpf_object__find_program_by_title(obj, prog_name);
+ if (!prog)
+ return -1;
+
+ prog_fd = bpf_program__fd(prog);
+ if (prog_fd < 0)
+ return -1;
+
+ err = bpf_map_update_elem(map_fd, &i, &prog_fd, BPF_ANY);
+ if (err)
+ return -1;
+ }
+ return 0;
+}
+
+static void run_tests_skb_less(int tap_fd, struct bpf_map *keys)
+{
+ int i, err, keys_fd;
+
+ keys_fd = bpf_map__fd(keys);
+ if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ /* Keep in sync with 'flags' from eth_get_headlen. */
+ __u32 eth_get_headlen_flags =
+ BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG;
+ struct bpf_prog_test_run_attr tattr = {};
+ struct bpf_flow_keys flow_keys = {};
+ __u32 key = (__u32)(tests[i].keys.sport) << 16 |
+ tests[i].keys.dport;
+
+ /* For skb-less case we can't pass input flags; run
+ * only the tests that have a matching set of flags.
+ */
+
+ if (tests[i].flags != eth_get_headlen_flags)
+ continue;
+
+ err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
+ CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
+
+ err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
+ CHECK_ATTR(err, tests[i].name, "bpf_map_lookup_elem %d\n", err);
+
+ CHECK_ATTR(err, tests[i].name, "skb-less err %d\n", err);
+ CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
+
+ err = bpf_map_delete_elem(keys_fd, &key);
+ CHECK_ATTR(err, tests[i].name, "bpf_map_delete_elem %d\n", err);
+ }
+}
+
+static void test_skb_less_prog_attach(struct bpf_flow *skel, int tap_fd)
+{
+ int err, prog_fd;
+
+ prog_fd = bpf_program__fd(skel->progs._dissect);
+ if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
+ return;
+
+ err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
+ if (CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno))
+ return;
+
+ run_tests_skb_less(tap_fd, skel->maps.last_dissection);
+
+ err = bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR);
+ CHECK(err, "bpf_prog_detach", "err %d errno %d\n", err, errno);
+}
+
+static void test_skb_less_link_create(struct bpf_flow *skel, int tap_fd)
+{
+ struct bpf_link *link;
+ int err, net_fd;
+
+ net_fd = open("/proc/self/ns/net", O_RDONLY);
+ if (CHECK(net_fd < 0, "open(/proc/self/ns/net)", "err %d\n", errno))
+ return;
+
+ link = bpf_program__attach_netns(skel->progs._dissect, net_fd);
+ if (CHECK(IS_ERR(link), "attach_netns", "err %ld\n", PTR_ERR(link)))
+ goto out_close;
+
+ run_tests_skb_less(tap_fd, skel->maps.last_dissection);
+
+ err = bpf_link__destroy(link);
+ CHECK(err, "bpf_link__destroy", "err %d\n", err);
+out_close:
+ close(net_fd);
+}
+
void test_flow_dissector(void)
{
int i, err, prog_fd, keys_fd = -1, tap_fd;
- struct bpf_object *obj;
- __u32 duration = 0;
+ struct bpf_flow *skel;
- err = bpf_flow_load(&obj, "./bpf_flow.o", "flow_dissector",
- "jmp_table", "last_dissection", &prog_fd, &keys_fd);
- if (CHECK_FAIL(err))
+ skel = bpf_flow__open_and_load();
+ if (CHECK(!skel, "skel", "failed to open/load skeleton\n"))
return;
+ prog_fd = bpf_program__fd(skel->progs._dissect);
+ if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
+ goto out_destroy_skel;
+ keys_fd = bpf_map__fd(skel->maps.last_dissection);
+ if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
+ goto out_destroy_skel;
+ err = init_prog_array(skel->obj, skel->maps.jmp_table);
+ if (CHECK(err, "init_prog_array", "err %d\n", err))
+ goto out_destroy_skel;
+
for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_flow_keys flow_keys;
struct bpf_prog_test_run_attr tattr = {
@@ -486,43 +603,17 @@ void test_flow_dissector(void)
* via BPF map in this case.
*/
- err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
- CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno);
-
tap_fd = create_tap("tap0");
CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d\n", tap_fd, errno);
err = ifup("tap0");
CHECK(err, "ifup", "err %d errno %d\n", err, errno);
- for (i = 0; i < ARRAY_SIZE(tests); i++) {
- /* Keep in sync with 'flags' from eth_get_headlen. */
- __u32 eth_get_headlen_flags =
- BPF_FLOW_DISSECTOR_F_PARSE_1ST_FRAG;
- struct bpf_prog_test_run_attr tattr = {};
- struct bpf_flow_keys flow_keys = {};
- __u32 key = (__u32)(tests[i].keys.sport) << 16 |
- tests[i].keys.dport;
-
- /* For skb-less case we can't pass input flags; run
- * only the tests that have a matching set of flags.
- */
-
- if (tests[i].flags != eth_get_headlen_flags)
- continue;
-
- err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
- CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
-
- err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
- CHECK_ATTR(err, tests[i].name, "bpf_map_lookup_elem %d\n", err);
-
- CHECK_ATTR(err, tests[i].name, "skb-less err %d\n", err);
- CHECK_FLOW_KEYS(tests[i].name, flow_keys, tests[i].keys);
-
- err = bpf_map_delete_elem(keys_fd, &key);
- CHECK_ATTR(err, tests[i].name, "bpf_map_delete_elem %d\n", err);
- }
+ /* Test direct prog attachment */
+ test_skb_less_prog_attach(skel, tap_fd);
+ /* Test indirect prog attachment via link */
+ test_skb_less_link_create(skel, tap_fd);
- bpf_prog_detach(prog_fd, BPF_FLOW_DISSECTOR);
- bpf_object__close(obj);
+ close(tap_fd);
+out_destroy_skel:
+ bpf_flow__destroy(skel);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
index dc5ef155ec28..0e8a4d2f023d 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_load_bytes.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_flow_dissector_load_bytes(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
index 1f51ba66b98b..15cb554a66d8 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
@@ -11,6 +11,7 @@
#include <fcntl.h>
#include <sched.h>
#include <stdbool.h>
+#include <sys/stat.h>
#include <unistd.h>
#include <linux/bpf.h>
@@ -18,21 +19,30 @@
#include "test_progs.h"
-static bool is_attached(int netns)
+static int init_net = -1;
+
+static __u32 query_attached_prog_id(int netns)
{
- __u32 cnt;
+ __u32 prog_ids[1] = {};
+ __u32 prog_cnt = ARRAY_SIZE(prog_ids);
int err;
- err = bpf_prog_query(netns, BPF_FLOW_DISSECTOR, 0, NULL, NULL, &cnt);
+ err = bpf_prog_query(netns, BPF_FLOW_DISSECTOR, 0, NULL,
+ prog_ids, &prog_cnt);
if (CHECK_FAIL(err)) {
perror("bpf_prog_query");
- return true; /* fail-safe */
+ return 0;
}
- return cnt > 0;
+ return prog_cnt == 1 ? prog_ids[0] : 0;
+}
+
+static bool prog_is_attached(int netns)
+{
+ return query_attached_prog_id(netns) > 0;
}
-static int load_prog(void)
+static int load_prog(enum bpf_prog_type type)
{
struct bpf_insn prog[] = {
BPF_MOV64_IMM(BPF_REG_0, BPF_OK),
@@ -40,61 +50,566 @@ static int load_prog(void)
};
int fd;
- fd = bpf_load_program(BPF_PROG_TYPE_FLOW_DISSECTOR, prog,
- ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
+ fd = bpf_load_program(type, prog, ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
if (CHECK_FAIL(fd < 0))
perror("bpf_load_program");
return fd;
}
-static void do_flow_dissector_reattach(void)
+static __u32 query_prog_id(int prog)
{
- int prog_fd[2] = { -1, -1 };
+ struct bpf_prog_info info = {};
+ __u32 info_len = sizeof(info);
int err;
- prog_fd[0] = load_prog();
- if (prog_fd[0] < 0)
- return;
+ err = bpf_obj_get_info_by_fd(prog, &info, &info_len);
+ if (CHECK_FAIL(err || info_len != sizeof(info))) {
+ perror("bpf_obj_get_info_by_fd");
+ return 0;
+ }
- prog_fd[1] = load_prog();
- if (prog_fd[1] < 0)
- goto out_close;
+ return info.id;
+}
+
+static int unshare_net(int old_net)
+{
+ int err, new_net;
- err = bpf_prog_attach(prog_fd[0], 0, BPF_FLOW_DISSECTOR, 0);
+ err = unshare(CLONE_NEWNET);
if (CHECK_FAIL(err)) {
- perror("bpf_prog_attach-0");
- goto out_close;
+ perror("unshare(CLONE_NEWNET)");
+ return -1;
+ }
+ new_net = open("/proc/self/ns/net", O_RDONLY);
+ if (CHECK_FAIL(new_net < 0)) {
+ perror("open(/proc/self/ns/net)");
+ setns(old_net, CLONE_NEWNET);
+ return -1;
}
+ return new_net;
+}
+
+static void test_prog_attach_prog_attach(int netns, int prog1, int prog2)
+{
+ int err;
+
+ err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_attach(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
/* Expect success when attaching a different program */
- err = bpf_prog_attach(prog_fd[1], 0, BPF_FLOW_DISSECTOR, 0);
+ err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
if (CHECK_FAIL(err)) {
- perror("bpf_prog_attach-1");
+ perror("bpf_prog_attach(prog2) #1");
goto out_detach;
}
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
/* Expect failure when attaching the same program twice */
- err = bpf_prog_attach(prog_fd[1], 0, BPF_FLOW_DISSECTOR, 0);
+ err = bpf_prog_attach(prog2, 0, BPF_FLOW_DISSECTOR, 0);
if (CHECK_FAIL(!err || errno != EINVAL))
- perror("bpf_prog_attach-2");
+ perror("bpf_prog_attach(prog2) #2");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
out_detach:
err = bpf_prog_detach(0, BPF_FLOW_DISSECTOR);
if (CHECK_FAIL(err))
perror("bpf_prog_detach");
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_link_create(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+ int link1, link2;
+
+ link1 = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect failure creating link when another link exists */
+ errno = 0;
+ link2 = bpf_link_create(prog2, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link2 != -1 || errno != E2BIG))
+ perror("bpf_prog_attach(prog2) expected E2BIG");
+ if (link2 != -1)
+ close(link2);
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(link1);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_prog_attach_link_create(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+ int err, link;
+
+ err = bpf_prog_attach(prog1, -1, BPF_FLOW_DISSECTOR, 0);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_attach(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect failure creating link when prog attached */
+ errno = 0;
+ link = bpf_link_create(prog2, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link != -1 || errno != EEXIST))
+ perror("bpf_link_create(prog2) expected EEXIST");
+ if (link != -1)
+ close(link);
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ err = bpf_prog_detach(-1, BPF_FLOW_DISSECTOR);
+ if (CHECK_FAIL(err))
+ perror("bpf_prog_detach");
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_prog_attach(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+ int err, link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect failure attaching prog when link exists */
+ errno = 0;
+ err = bpf_prog_attach(prog2, -1, BPF_FLOW_DISSECTOR, 0);
+ if (CHECK_FAIL(!err || errno != EEXIST))
+ perror("bpf_prog_attach(prog2) expected EEXIST");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_prog_detach(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+ int err, link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect failure detaching prog when link exists */
+ errno = 0;
+ err = bpf_prog_detach(-1, BPF_FLOW_DISSECTOR);
+ if (CHECK_FAIL(!err || errno != EINVAL))
+ perror("bpf_prog_detach expected EINVAL");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_prog_attach_detach_query(int netns, int prog1, int prog2)
+{
+ int err;
+
+ err = bpf_prog_attach(prog1, 0, BPF_FLOW_DISSECTOR, 0);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_attach(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ err = bpf_prog_detach(0, BPF_FLOW_DISSECTOR);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_detach");
+ return;
+ }
+
+ /* Expect no prog attached after successful detach */
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_create_close_query(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, opts);
+ int link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(link);
+ /* Expect no prog attached after closing last link FD */
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_no_old_prog(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect success replacing the prog when old prog not specified */
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(err))
+ perror("bpf_link_update");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_replace_old_prog(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link;
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect success F_REPLACE and old prog specified to succeed */
+ update_opts.flags = BPF_F_REPLACE;
+ update_opts.old_prog_fd = prog1;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(err))
+ perror("bpf_link_update");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog2));
+
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_invalid_opts(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect update to fail w/ old prog FD but w/o F_REPLACE*/
+ errno = 0;
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = prog1;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(!err || errno != EINVAL)) {
+ perror("bpf_link_update expected EINVAL");
+ goto out_close;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect update to fail on old prog FD mismatch */
+ errno = 0;
+ update_opts.flags = BPF_F_REPLACE;
+ update_opts.old_prog_fd = prog2;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(!err || errno != EPERM)) {
+ perror("bpf_link_update expected EPERM");
+ goto out_close;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect update to fail for invalid old prog FD */
+ errno = 0;
+ update_opts.flags = BPF_F_REPLACE;
+ update_opts.old_prog_fd = -1;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(!err || errno != EBADF)) {
+ perror("bpf_link_update expected EBADF");
+ goto out_close;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect update to fail with invalid flags */
+ errno = 0;
+ update_opts.flags = BPF_F_ALLOW_MULTI;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(!err || errno != EINVAL))
+ perror("bpf_link_update expected EINVAL");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+out_close:
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_invalid_prog(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link, prog3;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ /* Expect failure when new prog FD is not valid */
+ errno = 0;
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, -1, &update_opts);
+ if (CHECK_FAIL(!err || errno != EBADF)) {
+ perror("bpf_link_update expected EINVAL");
+ goto out_close_link;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ prog3 = load_prog(BPF_PROG_TYPE_SOCKET_FILTER);
+ if (prog3 < 0)
+ goto out_close_link;
+
+ /* Expect failure when new prog FD type doesn't match */
+ errno = 0;
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog3, &update_opts);
+ if (CHECK_FAIL(!err || errno != EINVAL))
+ perror("bpf_link_update expected EINVAL");
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(prog3);
+out_close_link:
+ close(link);
+ CHECK_FAIL(prog_is_attached(netns));
+}
+
+static void test_link_update_netns_gone(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ int err, link, old_net;
+
+ old_net = netns;
+ netns = unshare_net(old_net);
+ if (netns < 0)
+ return;
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ return;
+ }
+ CHECK_FAIL(query_attached_prog_id(netns) != query_prog_id(prog1));
+
+ close(netns);
+ err = setns(old_net, CLONE_NEWNET);
+ if (CHECK_FAIL(err)) {
+ perror("setns(CLONE_NEWNET)");
+ close(link);
+ return;
+ }
+
+ /* Expect failure when netns destroyed */
+ errno = 0;
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(!err || errno != ENOLINK))
+ perror("bpf_link_update");
+
+ close(link);
+}
+
+static void test_link_get_info(int netns, int prog1, int prog2)
+{
+ DECLARE_LIBBPF_OPTS(bpf_link_create_opts, create_opts);
+ DECLARE_LIBBPF_OPTS(bpf_link_update_opts, update_opts);
+ struct bpf_link_info info = {};
+ struct stat netns_stat = {};
+ __u32 info_len, link_id;
+ int err, link, old_net;
+
+ old_net = netns;
+ netns = unshare_net(old_net);
+ if (netns < 0)
+ return;
+
+ err = fstat(netns, &netns_stat);
+ if (CHECK_FAIL(err)) {
+ perror("stat(netns)");
+ goto out_resetns;
+ }
+
+ link = bpf_link_create(prog1, netns, BPF_FLOW_DISSECTOR, &create_opts);
+ if (CHECK_FAIL(link < 0)) {
+ perror("bpf_link_create(prog1)");
+ goto out_resetns;
+ }
+
+ info_len = sizeof(info);
+ err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_obj_get_info");
+ goto out_unlink;
+ }
+ CHECK_FAIL(info_len != sizeof(info));
+
+ /* Expect link info to be sane and match prog and netns details */
+ CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+ CHECK_FAIL(info.id == 0);
+ CHECK_FAIL(info.prog_id != query_prog_id(prog1));
+ CHECK_FAIL(info.netns.netns_ino != netns_stat.st_ino);
+ CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+ update_opts.flags = 0;
+ update_opts.old_prog_fd = 0;
+ err = bpf_link_update(link, prog2, &update_opts);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_link_update(prog2)");
+ goto out_unlink;
+ }
+
+ link_id = info.id;
+ info_len = sizeof(info);
+ err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_obj_get_info");
+ goto out_unlink;
+ }
+ CHECK_FAIL(info_len != sizeof(info));
+
+ /* Expect no info change after update except in prog id */
+ CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+ CHECK_FAIL(info.id != link_id);
+ CHECK_FAIL(info.prog_id != query_prog_id(prog2));
+ CHECK_FAIL(info.netns.netns_ino != netns_stat.st_ino);
+ CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+ /* Leave netns link is attached to and close last FD to it */
+ err = setns(old_net, CLONE_NEWNET);
+ if (CHECK_FAIL(err)) {
+ perror("setns(NEWNET)");
+ goto out_unlink;
+ }
+ close(netns);
+ old_net = -1;
+ netns = -1;
+
+ info_len = sizeof(info);
+ err = bpf_obj_get_info_by_fd(link, &info, &info_len);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_obj_get_info");
+ goto out_unlink;
+ }
+ CHECK_FAIL(info_len != sizeof(info));
+
+ /* Expect netns_ino to change to 0 */
+ CHECK_FAIL(info.type != BPF_LINK_TYPE_NETNS);
+ CHECK_FAIL(info.id != link_id);
+ CHECK_FAIL(info.prog_id != query_prog_id(prog2));
+ CHECK_FAIL(info.netns.netns_ino != 0);
+ CHECK_FAIL(info.netns.attach_type != BPF_FLOW_DISSECTOR);
+
+out_unlink:
+ close(link);
+out_resetns:
+ if (old_net != -1)
+ setns(old_net, CLONE_NEWNET);
+ if (netns != -1)
+ close(netns);
+}
+
+static void run_tests(int netns)
+{
+ struct test {
+ const char *test_name;
+ void (*test_func)(int netns, int prog1, int prog2);
+ } tests[] = {
+ { "prog attach, prog attach",
+ test_prog_attach_prog_attach },
+ { "link create, link create",
+ test_link_create_link_create },
+ { "prog attach, link create",
+ test_prog_attach_link_create },
+ { "link create, prog attach",
+ test_link_create_prog_attach },
+ { "link create, prog detach",
+ test_link_create_prog_detach },
+ { "prog attach, detach, query",
+ test_prog_attach_detach_query },
+ { "link create, close, query",
+ test_link_create_close_query },
+ { "link update no old prog",
+ test_link_update_no_old_prog },
+ { "link update with replace old prog",
+ test_link_update_replace_old_prog },
+ { "link update invalid opts",
+ test_link_update_invalid_opts },
+ { "link update invalid prog",
+ test_link_update_invalid_prog },
+ { "link update netns gone",
+ test_link_update_netns_gone },
+ { "link get info",
+ test_link_get_info },
+ };
+ int i, progs[2] = { -1, -1 };
+ char test_name[80];
+
+ for (i = 0; i < ARRAY_SIZE(progs); i++) {
+ progs[i] = load_prog(BPF_PROG_TYPE_FLOW_DISSECTOR);
+ if (progs[i] < 0)
+ goto out_close;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(tests); i++) {
+ snprintf(test_name, sizeof(test_name),
+ "flow dissector %s%s",
+ tests[i].test_name,
+ netns == init_net ? " (init_net)" : "");
+ if (test__start_subtest(test_name))
+ tests[i].test_func(netns, progs[0], progs[1]);
+ }
out_close:
- close(prog_fd[1]);
- close(prog_fd[0]);
+ for (i = 0; i < ARRAY_SIZE(progs); i++) {
+ if (progs[i] != -1)
+ CHECK_FAIL(close(progs[i]));
+ }
}
void test_flow_dissector_reattach(void)
{
- int init_net, self_net, err;
+ int err, new_net, saved_net;
- self_net = open("/proc/self/ns/net", O_RDONLY);
- if (CHECK_FAIL(self_net < 0)) {
+ saved_net = open("/proc/self/ns/net", O_RDONLY);
+ if (CHECK_FAIL(saved_net < 0)) {
perror("open(/proc/self/ns/net");
return;
}
@@ -111,30 +626,29 @@ void test_flow_dissector_reattach(void)
goto out_close;
}
- if (is_attached(init_net)) {
+ if (prog_is_attached(init_net)) {
test__skip();
printf("Can't test with flow dissector attached to init_net\n");
goto out_setns;
}
/* First run tests in root network namespace */
- do_flow_dissector_reattach();
+ run_tests(init_net);
/* Then repeat tests in a non-root namespace */
- err = unshare(CLONE_NEWNET);
- if (CHECK_FAIL(err)) {
- perror("unshare(CLONE_NEWNET)");
+ new_net = unshare_net(init_net);
+ if (new_net < 0)
goto out_setns;
- }
- do_flow_dissector_reattach();
+ run_tests(new_net);
+ close(new_net);
out_setns:
/* Move back to netns we started in. */
- err = setns(self_net, CLONE_NEWNET);
+ err = setns(saved_net, CLONE_NEWNET);
if (CHECK_FAIL(err))
perror("setns(/proc/self/ns/net)");
out_close:
close(init_net);
- close(self_net);
+ close(saved_net);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/global_data.c b/tools/testing/selftests/bpf/prog_tests/global_data.c
index c680926fce73..e3cb62b0a110 100644
--- a/tools/testing/selftests/bpf/prog_tests/global_data.c
+++ b/tools/testing/selftests/bpf/prog_tests/global_data.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
static void test_global_data_number(struct bpf_object *obj, __u32 duration)
{
diff --git a/tools/testing/selftests/bpf/test_hashmap.c b/tools/testing/selftests/bpf/prog_tests/hashmap.c
index c490e012c23f..428d488830c6 100644
--- a/tools/testing/selftests/bpf/test_hashmap.c
+++ b/tools/testing/selftests/bpf/prog_tests/hashmap.c
@@ -5,26 +5,17 @@
*
* Copyright (c) 2019 Facebook
*/
-#include <stdio.h>
-#include <errno.h>
-#include <linux/err.h>
+#include "test_progs.h"
#include "bpf/hashmap.h"
-#define CHECK(condition, format...) ({ \
- int __ret = !!(condition); \
- if (__ret) { \
- fprintf(stderr, "%s:%d:FAIL ", __func__, __LINE__); \
- fprintf(stderr, format); \
- } \
- __ret; \
-})
+static int duration = 0;
-size_t hash_fn(const void *k, void *ctx)
+static size_t hash_fn(const void *k, void *ctx)
{
return (long)k;
}
-bool equal_fn(const void *a, const void *b, void *ctx)
+static bool equal_fn(const void *a, const void *b, void *ctx)
{
return (long)a == (long)b;
}
@@ -49,53 +40,55 @@ static inline size_t exp_cap(size_t sz)
#define ELEM_CNT 62
-int test_hashmap_generic(void)
+static void test_hashmap_generic(void)
{
struct hashmap_entry *entry, *tmp;
int err, bkt, found_cnt, i;
long long found_msk;
struct hashmap *map;
- fprintf(stderr, "%s: ", __func__);
-
map = hashmap__new(hash_fn, equal_fn, NULL);
- if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
- return 1;
+ if (CHECK(IS_ERR(map), "hashmap__new",
+ "failed to create map: %ld\n", PTR_ERR(map)))
+ return;
for (i = 0; i < ELEM_CNT; i++) {
const void *oldk, *k = (const void *)(long)i;
void *oldv, *v = (void *)(long)(1024 + i);
err = hashmap__update(map, k, v, &oldk, &oldv);
- if (CHECK(err != -ENOENT, "unexpected result: %d\n", err))
- return 1;
+ if (CHECK(err != -ENOENT, "hashmap__update",
+ "unexpected result: %d\n", err))
+ goto cleanup;
if (i % 2) {
err = hashmap__add(map, k, v);
} else {
err = hashmap__set(map, k, v, &oldk, &oldv);
- if (CHECK(oldk != NULL || oldv != NULL,
+ if (CHECK(oldk != NULL || oldv != NULL, "check_kv",
"unexpected k/v: %p=%p\n", oldk, oldv))
- return 1;
+ goto cleanup;
}
- if (CHECK(err, "failed to add k/v %ld = %ld: %d\n",
+ if (CHECK(err, "elem_add", "failed to add k/v %ld = %ld: %d\n",
(long)k, (long)v, err))
- return 1;
+ goto cleanup;
- if (CHECK(!hashmap__find(map, k, &oldv),
+ if (CHECK(!hashmap__find(map, k, &oldv), "elem_find",
"failed to find key %ld\n", (long)k))
- return 1;
- if (CHECK(oldv != v, "found value is wrong: %ld\n", (long)oldv))
- return 1;
+ goto cleanup;
+ if (CHECK(oldv != v, "elem_val",
+ "found value is wrong: %ld\n", (long)oldv))
+ goto cleanup;
}
- if (CHECK(hashmap__size(map) != ELEM_CNT,
+ if (CHECK(hashmap__size(map) != ELEM_CNT, "hashmap__size",
"invalid map size: %zu\n", hashmap__size(map)))
- return 1;
+ goto cleanup;
if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "hashmap_cap",
"unexpected map capacity: %zu\n", hashmap__capacity(map)))
- return 1;
+ goto cleanup;
found_msk = 0;
hashmap__for_each_entry(map, entry, bkt) {
@@ -103,42 +96,47 @@ int test_hashmap_generic(void)
long v = (long)entry->value;
found_msk |= 1ULL << k;
- if (CHECK(v - k != 1024, "invalid k/v pair: %ld = %ld\n", k, v))
- return 1;
+ if (CHECK(v - k != 1024, "check_kv",
+ "invalid k/v pair: %ld = %ld\n", k, v))
+ goto cleanup;
}
- if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1,
+ if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1, "elem_cnt",
"not all keys iterated: %llx\n", found_msk))
- return 1;
+ goto cleanup;
for (i = 0; i < ELEM_CNT; i++) {
const void *oldk, *k = (const void *)(long)i;
void *oldv, *v = (void *)(long)(256 + i);
err = hashmap__add(map, k, v);
- if (CHECK(err != -EEXIST, "unexpected add result: %d\n", err))
- return 1;
+ if (CHECK(err != -EEXIST, "hashmap__add",
+ "unexpected add result: %d\n", err))
+ goto cleanup;
if (i % 2)
err = hashmap__update(map, k, v, &oldk, &oldv);
else
err = hashmap__set(map, k, v, &oldk, &oldv);
- if (CHECK(err, "failed to update k/v %ld = %ld: %d\n",
- (long)k, (long)v, err))
- return 1;
- if (CHECK(!hashmap__find(map, k, &oldv),
+ if (CHECK(err, "elem_upd",
+ "failed to update k/v %ld = %ld: %d\n",
+ (long)k, (long)v, err))
+ goto cleanup;
+ if (CHECK(!hashmap__find(map, k, &oldv), "elem_find",
"failed to find key %ld\n", (long)k))
- return 1;
- if (CHECK(oldv != v, "found value is wrong: %ld\n", (long)oldv))
- return 1;
+ goto cleanup;
+ if (CHECK(oldv != v, "elem_val",
+ "found value is wrong: %ld\n", (long)oldv))
+ goto cleanup;
}
- if (CHECK(hashmap__size(map) != ELEM_CNT,
+ if (CHECK(hashmap__size(map) != ELEM_CNT, "hashmap__size",
"invalid updated map size: %zu\n", hashmap__size(map)))
- return 1;
+ goto cleanup;
if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "hashmap__capacity",
"unexpected map capacity: %zu\n", hashmap__capacity(map)))
- return 1;
+ goto cleanup;
found_msk = 0;
hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
@@ -146,20 +144,21 @@ int test_hashmap_generic(void)
long v = (long)entry->value;
found_msk |= 1ULL << k;
- if (CHECK(v - k != 256,
+ if (CHECK(v - k != 256, "elem_check",
"invalid updated k/v pair: %ld = %ld\n", k, v))
- return 1;
+ goto cleanup;
}
- if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1,
+ if (CHECK(found_msk != (1ULL << ELEM_CNT) - 1, "elem_cnt",
"not all keys iterated after update: %llx\n", found_msk))
- return 1;
+ goto cleanup;
found_cnt = 0;
hashmap__for_each_key_entry(map, entry, (void *)0) {
found_cnt++;
}
- if (CHECK(!found_cnt, "didn't find any entries for key 0\n"))
- return 1;
+ if (CHECK(!found_cnt, "found_cnt",
+ "didn't find any entries for key 0\n"))
+ goto cleanup;
found_msk = 0;
found_cnt = 0;
@@ -173,30 +172,31 @@ int test_hashmap_generic(void)
found_cnt++;
found_msk |= 1ULL << (long)k;
- if (CHECK(!hashmap__delete(map, k, &oldk, &oldv),
+ if (CHECK(!hashmap__delete(map, k, &oldk, &oldv), "elem_del",
"failed to delete k/v %ld = %ld\n",
(long)k, (long)v))
- return 1;
- if (CHECK(oldk != k || oldv != v,
+ goto cleanup;
+ if (CHECK(oldk != k || oldv != v, "check_old",
"invalid deleted k/v: expected %ld = %ld, got %ld = %ld\n",
(long)k, (long)v, (long)oldk, (long)oldv))
- return 1;
- if (CHECK(hashmap__delete(map, k, &oldk, &oldv),
+ goto cleanup;
+ if (CHECK(hashmap__delete(map, k, &oldk, &oldv), "elem_del",
"unexpectedly deleted k/v %ld = %ld\n",
(long)oldk, (long)oldv))
- return 1;
+ goto cleanup;
}
- if (CHECK(!found_cnt || !found_msk,
+ if (CHECK(!found_cnt || !found_msk, "found_entries",
"didn't delete any key entries\n"))
- return 1;
- if (CHECK(hashmap__size(map) != ELEM_CNT - found_cnt,
+ goto cleanup;
+ if (CHECK(hashmap__size(map) != ELEM_CNT - found_cnt, "elem_cnt",
"invalid updated map size (already deleted: %d): %zu\n",
found_cnt, hashmap__size(map)))
- return 1;
+ goto cleanup;
if (CHECK(hashmap__capacity(map) != exp_cap(hashmap__size(map)),
+ "hashmap__capacity",
"unexpected map capacity: %zu\n", hashmap__capacity(map)))
- return 1;
+ goto cleanup;
hashmap__for_each_entry_safe(map, entry, tmp, bkt) {
const void *oldk, *k;
@@ -208,53 +208,56 @@ int test_hashmap_generic(void)
found_cnt++;
found_msk |= 1ULL << (long)k;
- if (CHECK(!hashmap__delete(map, k, &oldk, &oldv),
+ if (CHECK(!hashmap__delete(map, k, &oldk, &oldv), "elem_del",
"failed to delete k/v %ld = %ld\n",
(long)k, (long)v))
- return 1;
- if (CHECK(oldk != k || oldv != v,
+ goto cleanup;
+ if (CHECK(oldk != k || oldv != v, "elem_check",
"invalid old k/v: expect %ld = %ld, got %ld = %ld\n",
(long)k, (long)v, (long)oldk, (long)oldv))
- return 1;
- if (CHECK(hashmap__delete(map, k, &oldk, &oldv),
+ goto cleanup;
+ if (CHECK(hashmap__delete(map, k, &oldk, &oldv), "elem_del",
"unexpectedly deleted k/v %ld = %ld\n",
(long)k, (long)v))
- return 1;
+ goto cleanup;
}
if (CHECK(found_cnt != ELEM_CNT || found_msk != (1ULL << ELEM_CNT) - 1,
+ "found_cnt",
"not all keys were deleted: found_cnt:%d, found_msk:%llx\n",
found_cnt, found_msk))
- return 1;
- if (CHECK(hashmap__size(map) != 0,
+ goto cleanup;
+ if (CHECK(hashmap__size(map) != 0, "hashmap__size",
"invalid updated map size (already deleted: %d): %zu\n",
found_cnt, hashmap__size(map)))
- return 1;
+ goto cleanup;
found_cnt = 0;
hashmap__for_each_entry(map, entry, bkt) {
- CHECK(false, "unexpected map entries left: %ld = %ld\n",
- (long)entry->key, (long)entry->value);
- return 1;
+ CHECK(false, "elem_exists",
+ "unexpected map entries left: %ld = %ld\n",
+ (long)entry->key, (long)entry->value);
+ goto cleanup;
}
- hashmap__free(map);
+ hashmap__clear(map);
hashmap__for_each_entry(map, entry, bkt) {
- CHECK(false, "unexpected map entries left: %ld = %ld\n",
- (long)entry->key, (long)entry->value);
- return 1;
+ CHECK(false, "elem_exists",
+ "unexpected map entries left: %ld = %ld\n",
+ (long)entry->key, (long)entry->value);
+ goto cleanup;
}
- fprintf(stderr, "OK\n");
- return 0;
+cleanup:
+ hashmap__free(map);
}
-size_t collision_hash_fn(const void *k, void *ctx)
+static size_t collision_hash_fn(const void *k, void *ctx)
{
return 0;
}
-int test_hashmap_multimap(void)
+static void test_hashmap_multimap(void)
{
void *k1 = (void *)0, *k2 = (void *)1;
struct hashmap_entry *entry;
@@ -262,121 +265,116 @@ int test_hashmap_multimap(void)
long found_msk;
int err, bkt;
- fprintf(stderr, "%s: ", __func__);
-
/* force collisions */
map = hashmap__new(collision_hash_fn, equal_fn, NULL);
- if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
- return 1;
-
+ if (CHECK(IS_ERR(map), "hashmap__new",
+ "failed to create map: %ld\n", PTR_ERR(map)))
+ return;
/* set up multimap:
* [0] -> 1, 2, 4;
* [1] -> 8, 16, 32;
*/
err = hashmap__append(map, k1, (void *)1);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
err = hashmap__append(map, k1, (void *)2);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
err = hashmap__append(map, k1, (void *)4);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
err = hashmap__append(map, k2, (void *)8);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
err = hashmap__append(map, k2, (void *)16);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
err = hashmap__append(map, k2, (void *)32);
- if (CHECK(err, "failed to add k/v: %d\n", err))
- return 1;
+ if (CHECK(err, "elem_add", "failed to add k/v: %d\n", err))
+ goto cleanup;
- if (CHECK(hashmap__size(map) != 6,
+ if (CHECK(hashmap__size(map) != 6, "hashmap_size",
"invalid map size: %zu\n", hashmap__size(map)))
- return 1;
+ goto cleanup;
/* verify global iteration still works and sees all values */
found_msk = 0;
hashmap__for_each_entry(map, entry, bkt) {
found_msk |= (long)entry->value;
}
- if (CHECK(found_msk != (1 << 6) - 1,
+ if (CHECK(found_msk != (1 << 6) - 1, "found_msk",
"not all keys iterated: %lx\n", found_msk))
- return 1;
+ goto cleanup;
/* iterate values for key 1 */
found_msk = 0;
hashmap__for_each_key_entry(map, entry, k1) {
found_msk |= (long)entry->value;
}
- if (CHECK(found_msk != (1 | 2 | 4),
+ if (CHECK(found_msk != (1 | 2 | 4), "found_msk",
"invalid k1 values: %lx\n", found_msk))
- return 1;
+ goto cleanup;
/* iterate values for key 2 */
found_msk = 0;
hashmap__for_each_key_entry(map, entry, k2) {
found_msk |= (long)entry->value;
}
- if (CHECK(found_msk != (8 | 16 | 32),
+ if (CHECK(found_msk != (8 | 16 | 32), "found_msk",
"invalid k2 values: %lx\n", found_msk))
- return 1;
+ goto cleanup;
- fprintf(stderr, "OK\n");
- return 0;
+cleanup:
+ hashmap__free(map);
}
-int test_hashmap_empty()
+static void test_hashmap_empty()
{
struct hashmap_entry *entry;
int bkt;
struct hashmap *map;
void *k = (void *)0;
- fprintf(stderr, "%s: ", __func__);
-
/* force collisions */
map = hashmap__new(hash_fn, equal_fn, NULL);
- if (CHECK(IS_ERR(map), "failed to create map: %ld\n", PTR_ERR(map)))
- return 1;
+ if (CHECK(IS_ERR(map), "hashmap__new",
+ "failed to create map: %ld\n", PTR_ERR(map)))
+ goto cleanup;
- if (CHECK(hashmap__size(map) != 0,
+ if (CHECK(hashmap__size(map) != 0, "hashmap__size",
"invalid map size: %zu\n", hashmap__size(map)))
- return 1;
- if (CHECK(hashmap__capacity(map) != 0,
+ goto cleanup;
+ if (CHECK(hashmap__capacity(map) != 0, "hashmap__capacity",
"invalid map capacity: %zu\n", hashmap__capacity(map)))
- return 1;
- if (CHECK(hashmap__find(map, k, NULL), "unexpected find\n"))
- return 1;
- if (CHECK(hashmap__delete(map, k, NULL, NULL), "unexpected delete\n"))
- return 1;
+ goto cleanup;
+ if (CHECK(hashmap__find(map, k, NULL), "elem_find",
+ "unexpected find\n"))
+ goto cleanup;
+ if (CHECK(hashmap__delete(map, k, NULL, NULL), "elem_del",
+ "unexpected delete\n"))
+ goto cleanup;
hashmap__for_each_entry(map, entry, bkt) {
- CHECK(false, "unexpected iterated entry\n");
- return 1;
+ CHECK(false, "elem_found", "unexpected iterated entry\n");
+ goto cleanup;
}
hashmap__for_each_key_entry(map, entry, k) {
- CHECK(false, "unexpected key entry\n");
- return 1;
+ CHECK(false, "key_found", "unexpected key entry\n");
+ goto cleanup;
}
- fprintf(stderr, "OK\n");
- return 0;
+cleanup:
+ hashmap__free(map);
}
-int main(int argc, char **argv)
+void test_hashmap()
{
- bool failed = false;
-
- if (test_hashmap_generic())
- failed = true;
- if (test_hashmap_multimap())
- failed = true;
- if (test_hashmap_empty())
- failed = true;
-
- return failed;
+ if (test__start_subtest("generic"))
+ test_hashmap_generic();
+ if (test__start_subtest("multimap"))
+ test_hashmap_multimap();
+ if (test__start_subtest("empty"))
+ test_hashmap_empty();
}
diff --git a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c
index 7507c8f689bc..42c3a3103c26 100644
--- a/tools/testing/selftests/bpf/prog_tests/kfree_skb.c
+++ b/tools/testing/selftests/bpf/prog_tests/kfree_skb.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
struct meta {
int ifindex;
diff --git a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
index eaf64595be88..c2d373e294bb 100644
--- a/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
+++ b/tools/testing/selftests/bpf/prog_tests/l4lb_all.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
static void test_l4lb(const char *file)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/map_lock.c b/tools/testing/selftests/bpf/prog_tests/map_lock.c
index 8f91f1881d11..ce17b1ed8709 100644
--- a/tools/testing/selftests/bpf/prog_tests/map_lock.c
+++ b/tools/testing/selftests/bpf/prog_tests/map_lock.c
@@ -1,5 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
+
+static void *spin_lock_thread(void *arg)
+{
+ __u32 duration, retval;
+ int err, prog_fd = *(u32 *) arg;
+
+ err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+ pthread_exit(arg);
+}
static void *parallel_map_access(void *arg)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/mmap.c b/tools/testing/selftests/bpf/prog_tests/mmap.c
index 56d80adcf4bd..43d0b5578f46 100644
--- a/tools/testing/selftests/bpf/prog_tests/mmap.c
+++ b/tools/testing/selftests/bpf/prog_tests/mmap.c
@@ -19,7 +19,7 @@ void test_mmap(void)
const size_t map_sz = roundup_page(sizeof(struct map_data));
const int zero = 0, one = 1, two = 2, far = 1500;
const long page_size = sysconf(_SC_PAGE_SIZE);
- int err, duration = 0, i, data_map_fd, data_map_id, tmp_fd;
+ int err, duration = 0, i, data_map_fd, data_map_id, tmp_fd, rdmap_fd;
struct bpf_map *data_map, *bss_map;
void *bss_mmaped = NULL, *map_mmaped = NULL, *tmp1, *tmp2;
struct test_mmap__bss *bss_data;
@@ -37,6 +37,17 @@ void test_mmap(void)
data_map = skel->maps.data_map;
data_map_fd = bpf_map__fd(data_map);
+ rdmap_fd = bpf_map__fd(skel->maps.rdonly_map);
+ tmp1 = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, rdmap_fd, 0);
+ if (CHECK(tmp1 != MAP_FAILED, "rdonly_write_mmap", "unexpected success\n")) {
+ munmap(tmp1, 4096);
+ goto cleanup;
+ }
+ /* now double-check if it's mmap()'able at all */
+ tmp1 = mmap(NULL, 4096, PROT_READ, MAP_SHARED, rdmap_fd, 0);
+ if (CHECK(tmp1 == MAP_FAILED, "rdonly_read_mmap", "failed: %d\n", errno))
+ goto cleanup;
+
/* get map's ID */
memset(&map_info, 0, map_info_sz);
err = bpf_obj_get_info_by_fd(data_map_fd, &map_info, &map_info_sz);
@@ -217,6 +228,14 @@ void test_mmap(void)
munmap(tmp2, 4 * page_size);
+ /* map all 4 pages, but with pg_off=1 page, should fail */
+ tmp1 = mmap(NULL, 4 * page_size, PROT_READ, MAP_SHARED | MAP_FIXED,
+ data_map_fd, page_size /* initial page shift */);
+ if (CHECK(tmp1 != MAP_FAILED, "adv_mmap7", "unexpected success")) {
+ munmap(tmp1, 4 * page_size);
+ goto cleanup;
+ }
+
tmp1 = mmap(NULL, map_sz, PROT_READ, MAP_SHARED, data_map_fd, 0);
if (CHECK(tmp1 == MAP_FAILED, "last_mmap", "failed %d\n", errno))
goto cleanup;
diff --git a/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
index 542240e16564..e74dc501b27f 100644
--- a/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
+++ b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
@@ -80,9 +80,6 @@ void test_ns_current_pid_tgid(void)
"User pid/tgid %llu BPF pid/tgid %llu\n", id, bss.pid_tgid))
goto cleanup;
cleanup:
- if (!link) {
- bpf_link__destroy(link);
- link = NULL;
- }
+ bpf_link__destroy(link);
bpf_object__close(obj);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
index 1450ea2dd4cc..a122ce3b360e 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
@@ -6,6 +6,11 @@
#include <test_progs.h>
#include "bpf/libbpf_internal.h"
+/* AddressSanitizer sometimes crashes due to data dereference below, due to
+ * this being mmap()'ed memory. Disable instrumentation with
+ * no_sanitize_address attribute
+ */
+__attribute__((no_sanitize_address))
static void on_sample(void *ctx, int cpu, void *data, __u32 size)
{
int cpu_data = *(int *)data, duration = 0;
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
index a2537dfa899c..44b514fabccd 100644
--- a/tools/testing/selftests/bpf/prog_tests/pkt_access.c
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_access.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_pkt_access(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
index 5f7aea605019..939015cd6dba 100644
--- a/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
+++ b/tools/testing/selftests/bpf/prog_tests/pkt_md_access.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_pkt_md_access(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c
index 5dd89b941f53..dde2b7ae7bc9 100644
--- a/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c
+++ b/tools/testing/selftests/bpf/prog_tests/prog_run_xattr.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_prog_run_xattr(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
index faccc66f4e39..f47e7b1cb32c 100644
--- a/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
+++ b/tools/testing/selftests/bpf/prog_tests/queue_stack_map.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
enum {
QUEUE,
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
new file mode 100644
index 000000000000..2bba908dfa63
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <linux/compiler.h>
+#include <asm/barrier.h>
+#include <test_progs.h>
+#include <sys/mman.h>
+#include <sys/epoll.h>
+#include <time.h>
+#include <sched.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/sysinfo.h>
+#include <linux/perf_event.h>
+#include <linux/ring_buffer.h>
+#include "test_ringbuf.skel.h"
+
+#define EDONE 7777
+
+static int duration = 0;
+
+struct sample {
+ int pid;
+ int seq;
+ long value;
+ char comm[16];
+};
+
+static volatile int sample_cnt;
+
+static int process_sample(void *ctx, void *data, size_t len)
+{
+ struct sample *s = data;
+
+ sample_cnt++;
+
+ switch (s->seq) {
+ case 0:
+ CHECK(s->value != 333, "sample1_value", "exp %ld, got %ld\n",
+ 333L, s->value);
+ return 0;
+ case 1:
+ CHECK(s->value != 777, "sample2_value", "exp %ld, got %ld\n",
+ 777L, s->value);
+ return -EDONE;
+ default:
+ /* we don't care about the rest */
+ return 0;
+ }
+}
+
+static struct test_ringbuf *skel;
+static struct ring_buffer *ringbuf;
+
+static void trigger_samples()
+{
+ skel->bss->dropped = 0;
+ skel->bss->total = 0;
+ skel->bss->discarded = 0;
+
+ /* trigger exactly two samples */
+ skel->bss->value = 333;
+ syscall(__NR_getpgid);
+ skel->bss->value = 777;
+ syscall(__NR_getpgid);
+}
+
+static void *poll_thread(void *input)
+{
+ long timeout = (long)input;
+
+ return (void *)(long)ring_buffer__poll(ringbuf, timeout);
+}
+
+void test_ringbuf(void)
+{
+ const size_t rec_sz = BPF_RINGBUF_HDR_SZ + sizeof(struct sample);
+ pthread_t thread;
+ long bg_ret = -1;
+ int err;
+
+ skel = test_ringbuf__open_and_load();
+ if (CHECK(!skel, "skel_open_load", "skeleton open&load failed\n"))
+ return;
+
+ /* only trigger BPF program for current process */
+ skel->bss->pid = getpid();
+
+ ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf),
+ process_sample, NULL, NULL);
+ if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n"))
+ goto cleanup;
+
+ err = test_ringbuf__attach(skel);
+ if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err))
+ goto cleanup;
+
+ trigger_samples();
+
+ /* 2 submitted + 1 discarded records */
+ CHECK(skel->bss->avail_data != 3 * rec_sz,
+ "err_avail_size", "exp %ld, got %ld\n",
+ 3L * rec_sz, skel->bss->avail_data);
+ CHECK(skel->bss->ring_size != 4096,
+ "err_ring_size", "exp %ld, got %ld\n",
+ 4096L, skel->bss->ring_size);
+ CHECK(skel->bss->cons_pos != 0,
+ "err_cons_pos", "exp %ld, got %ld\n",
+ 0L, skel->bss->cons_pos);
+ CHECK(skel->bss->prod_pos != 3 * rec_sz,
+ "err_prod_pos", "exp %ld, got %ld\n",
+ 3L * rec_sz, skel->bss->prod_pos);
+
+ /* poll for samples */
+ err = ring_buffer__poll(ringbuf, -1);
+
+ /* -EDONE is used as an indicator that we are done */
+ if (CHECK(err != -EDONE, "err_done", "done err: %d\n", err))
+ goto cleanup;
+
+ /* we expect extra polling to return nothing */
+ err = ring_buffer__poll(ringbuf, 0);
+ if (CHECK(err != 0, "extra_samples", "poll result: %d\n", err))
+ goto cleanup;
+
+ CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+ 0L, skel->bss->dropped);
+ CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+ 2L, skel->bss->total);
+ CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+ 1L, skel->bss->discarded);
+
+ /* now validate consumer position is updated and returned */
+ trigger_samples();
+ CHECK(skel->bss->cons_pos != 3 * rec_sz,
+ "err_cons_pos", "exp %ld, got %ld\n",
+ 3L * rec_sz, skel->bss->cons_pos);
+ err = ring_buffer__poll(ringbuf, -1);
+ CHECK(err <= 0, "poll_err", "err %d\n", err);
+
+ /* start poll in background w/ long timeout */
+ err = pthread_create(&thread, NULL, poll_thread, (void *)(long)10000);
+ if (CHECK(err, "bg_poll", "pthread_create failed: %d\n", err))
+ goto cleanup;
+
+ /* turn off notifications now */
+ skel->bss->flags = BPF_RB_NO_WAKEUP;
+
+ /* give background thread a bit of a time */
+ usleep(50000);
+ trigger_samples();
+ /* sleeping arbitrarily is bad, but no better way to know that
+ * epoll_wait() **DID NOT** unblock in background thread
+ */
+ usleep(50000);
+ /* background poll should still be blocked */
+ err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+ if (CHECK(err != EBUSY, "try_join", "err %d\n", err))
+ goto cleanup;
+
+ /* BPF side did everything right */
+ CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+ 0L, skel->bss->dropped);
+ CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+ 2L, skel->bss->total);
+ CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+ 1L, skel->bss->discarded);
+
+ /* clear flags to return to "adaptive" notification mode */
+ skel->bss->flags = 0;
+
+ /* produce new samples, no notification should be triggered, because
+ * consumer is now behind
+ */
+ trigger_samples();
+
+ /* background poll should still be blocked */
+ err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+ if (CHECK(err != EBUSY, "try_join", "err %d\n", err))
+ goto cleanup;
+
+ /* now force notifications */
+ skel->bss->flags = BPF_RB_FORCE_WAKEUP;
+ sample_cnt = 0;
+ trigger_samples();
+
+ /* now we should get a pending notification */
+ usleep(50000);
+ err = pthread_tryjoin_np(thread, (void **)&bg_ret);
+ if (CHECK(err, "join_bg", "err %d\n", err))
+ goto cleanup;
+
+ if (CHECK(bg_ret != 1, "bg_ret", "epoll_wait result: %ld", bg_ret))
+ goto cleanup;
+
+ /* 3 rounds, 2 samples each */
+ CHECK(sample_cnt != 6, "wrong_sample_cnt",
+ "expected to see %d samples, got %d\n", 6, sample_cnt);
+
+ /* BPF side did everything right */
+ CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+ 0L, skel->bss->dropped);
+ CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+ 2L, skel->bss->total);
+ CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
+ 1L, skel->bss->discarded);
+
+ test_ringbuf__detach(skel);
+cleanup:
+ ring_buffer__free(ringbuf);
+ test_ringbuf__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
new file mode 100644
index 000000000000..78e450609803
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE
+#include <test_progs.h>
+#include <sys/epoll.h>
+#include "test_ringbuf_multi.skel.h"
+
+static int duration = 0;
+
+struct sample {
+ int pid;
+ int seq;
+ long value;
+ char comm[16];
+};
+
+static int process_sample(void *ctx, void *data, size_t len)
+{
+ int ring = (unsigned long)ctx;
+ struct sample *s = data;
+
+ switch (s->seq) {
+ case 0:
+ CHECK(ring != 1, "sample1_ring", "exp %d, got %d\n", 1, ring);
+ CHECK(s->value != 333, "sample1_value", "exp %ld, got %ld\n",
+ 333L, s->value);
+ break;
+ case 1:
+ CHECK(ring != 2, "sample2_ring", "exp %d, got %d\n", 2, ring);
+ CHECK(s->value != 777, "sample2_value", "exp %ld, got %ld\n",
+ 777L, s->value);
+ break;
+ default:
+ CHECK(true, "extra_sample", "unexpected sample seq %d, val %ld\n",
+ s->seq, s->value);
+ return -1;
+ }
+
+ return 0;
+}
+
+void test_ringbuf_multi(void)
+{
+ struct test_ringbuf_multi *skel;
+ struct ring_buffer *ringbuf;
+ int err;
+
+ skel = test_ringbuf_multi__open_and_load();
+ if (CHECK(!skel, "skel_open_load", "skeleton open&load failed\n"))
+ return;
+
+ /* only trigger BPF program for current process */
+ skel->bss->pid = getpid();
+
+ ringbuf = ring_buffer__new(bpf_map__fd(skel->maps.ringbuf1),
+ process_sample, (void *)(long)1, NULL);
+ if (CHECK(!ringbuf, "ringbuf_create", "failed to create ringbuf\n"))
+ goto cleanup;
+
+ err = ring_buffer__add(ringbuf, bpf_map__fd(skel->maps.ringbuf2),
+ process_sample, (void *)(long)2);
+ if (CHECK(err, "ringbuf_add", "failed to add another ring\n"))
+ goto cleanup;
+
+ err = test_ringbuf_multi__attach(skel);
+ if (CHECK(err, "skel_attach", "skeleton attachment failed: %d\n", err))
+ goto cleanup;
+
+ /* trigger few samples, some will be skipped */
+ skel->bss->target_ring = 0;
+ skel->bss->value = 333;
+ syscall(__NR_getpgid);
+
+ /* skipped, no ringbuf in slot 1 */
+ skel->bss->target_ring = 1;
+ skel->bss->value = 555;
+ syscall(__NR_getpgid);
+
+ skel->bss->target_ring = 2;
+ skel->bss->value = 777;
+ syscall(__NR_getpgid);
+
+ /* poll for samples, should get 2 ringbufs back */
+ err = ring_buffer__poll(ringbuf, -1);
+ if (CHECK(err != 4, "poll_res", "expected 4 records, got %d\n", err))
+ goto cleanup;
+
+ /* expect extra polling to return nothing */
+ err = ring_buffer__poll(ringbuf, 0);
+ if (CHECK(err < 0, "extra_samples", "poll result: %d\n", err))
+ goto cleanup;
+
+ CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
+ 0L, skel->bss->dropped);
+ CHECK(skel->bss->skipped != 1, "err_skipped", "exp %ld, got %ld\n",
+ 1L, skel->bss->skipped);
+ CHECK(skel->bss->total != 2, "err_total", "exp %ld, got %ld\n",
+ 2L, skel->bss->total);
+
+cleanup:
+ ring_buffer__free(ringbuf);
+ test_ringbuf_multi__destroy(skel);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/signal_pending.c b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
index 996e808f43a2..dfcbddcbe4d3 100644
--- a/tools/testing/selftests/bpf/prog_tests/signal_pending.c
+++ b/tools/testing/selftests/bpf/prog_tests/signal_pending.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
static void sigalrm_handler(int s) {}
static struct sigaction sigalrm_action = {
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
index d572e1a2c297..47fa04adc147 100644
--- a/tools/testing/selftests/bpf/prog_tests/sk_assign.c
+++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -20,6 +20,7 @@
#define CONNECT_PORT 4321
#define TEST_DADDR (0xC0A80203)
#define NS_SELF "/proc/self/ns/net"
+#define SERVER_MAP_PATH "/sys/fs/bpf/tc/globals/server_map"
static const struct timeval timeo_sec = { .tv_sec = 3 };
static const size_t timeo_optlen = sizeof(timeo_sec);
@@ -265,6 +266,7 @@ void test_sk_assign(void)
TEST("ipv6 udp addr redir", AF_INET6, SOCK_DGRAM, true),
};
int server = -1;
+ int server_map;
int self_net;
self_net = open(NS_SELF, O_RDONLY);
@@ -278,9 +280,17 @@ void test_sk_assign(void)
goto cleanup;
}
+ server_map = bpf_obj_get(SERVER_MAP_PATH);
+ if (CHECK_FAIL(server_map < 0)) {
+ perror("Unable to open " SERVER_MAP_PATH);
+ goto cleanup;
+ }
+
for (int i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
struct test_sk_cfg *test = &tests[i];
const struct sockaddr *addr;
+ const int zero = 0;
+ int err;
if (!test__start_subtest(test->name))
continue;
@@ -288,7 +298,13 @@ void test_sk_assign(void)
addr = (const struct sockaddr *)test->addr;
server = start_server(addr, test->len, test->type);
if (server == -1)
- goto cleanup;
+ goto close;
+
+ err = bpf_map_update_elem(server_map, &zero, &server, BPF_ANY);
+ if (CHECK_FAIL(err)) {
+ perror("Unable to update server_map");
+ goto close;
+ }
/* connect to unbound ports */
prepare_addr(test->addr, test->family, CONNECT_PORT,
@@ -302,7 +318,10 @@ void test_sk_assign(void)
close:
close(server);
+ close(server_map);
cleanup:
+ if (CHECK_FAIL(unlink(SERVER_MAP_PATH)))
+ perror("Unable to unlink " SERVER_MAP_PATH);
if (CHECK_FAIL(setns(self_net, CLONE_NEWNET)))
perror("Failed to setns("NS_SELF")");
close(self_net);
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
index 4538bd08203f..7021b92af313 100644
--- a/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
+++ b/tools/testing/selftests/bpf/prog_tests/skb_ctx.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_skb_ctx(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/skb_helpers.c b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c
new file mode 100644
index 000000000000..f302ad84a298
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/skb_helpers.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_skb_helpers(void)
+{
+ struct __sk_buff skb = {
+ .wire_len = 100,
+ .gso_segs = 8,
+ .gso_size = 10,
+ };
+ struct bpf_prog_test_run_attr tattr = {
+ .data_in = &pkt_v4,
+ .data_size_in = sizeof(pkt_v4),
+ .ctx_in = &skb,
+ .ctx_size_in = sizeof(skb),
+ .ctx_out = &skb,
+ .ctx_size_out = sizeof(skb),
+ };
+ struct bpf_object *obj;
+ int err;
+
+ err = bpf_prog_load("./test_skb_helpers.o", BPF_PROG_TYPE_SCHED_CLS, &obj,
+ &tattr.prog_fd);
+ if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
+ return;
+ err = bpf_prog_test_run_xattr(&tattr);
+ CHECK_ATTR(err, "len", "err %d errno %d\n", err, errno);
+ bpf_object__close(obj);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index aa43e0bd210c..96e7b7f84c65 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -1,7 +1,9 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Cloudflare
+#include <error.h>
#include "test_progs.h"
+#include "test_skmsg_load_helpers.skel.h"
#define TCP_REPAIR 19 /* TCP sock is under repair right now */
@@ -70,10 +72,43 @@ out:
close(s);
}
+static void test_skmsg_helpers(enum bpf_map_type map_type)
+{
+ struct test_skmsg_load_helpers *skel;
+ int err, map, verdict;
+
+ skel = test_skmsg_load_helpers__open_and_load();
+ if (CHECK_FAIL(!skel)) {
+ perror("test_skmsg_load_helpers__open_and_load");
+ return;
+ }
+
+ verdict = bpf_program__fd(skel->progs.prog_msg_verdict);
+ map = bpf_map__fd(skel->maps.sock_map);
+
+ err = bpf_prog_attach(verdict, map, BPF_SK_MSG_VERDICT, 0);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_attach");
+ goto out;
+ }
+
+ err = bpf_prog_detach2(verdict, map, BPF_SK_MSG_VERDICT);
+ if (CHECK_FAIL(err)) {
+ perror("bpf_prog_detach2");
+ goto out;
+ }
+out:
+ test_skmsg_load_helpers__destroy(skel);
+}
+
void test_sockmap_basic(void)
{
if (test__start_subtest("sockmap create_update_free"))
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKMAP);
if (test__start_subtest("sockhash create_update_free"))
test_sockmap_create_update_free(BPF_MAP_TYPE_SOCKHASH);
+ if (test__start_subtest("sockmap sk_msg load helpers"))
+ test_skmsg_helpers(BPF_MAP_TYPE_SOCKMAP);
+ if (test__start_subtest("sockhash sk_msg load helpers"))
+ test_skmsg_helpers(BPF_MAP_TYPE_SOCKHASH);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c
index 1ae00cd3174e..7577a77a4c4c 100644
--- a/tools/testing/selftests/bpf/prog_tests/spinlock.c
+++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c
@@ -1,5 +1,19 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
+
+static void *spin_lock_thread(void *arg)
+{
+ __u32 duration, retval;
+ int err, prog_fd = *(u32 *) arg;
+
+ err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
+ NULL, NULL, &retval, &duration);
+ CHECK(err || retval, "",
+ "err %d errno %d retval %d duration %d\n",
+ err, errno, retval, duration);
+ pthread_exit(arg);
+}
void test_spinlock(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
index e56b52ab41da..9013a0c01eed 100644
--- a/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_rtt.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "cgroup_helpers.h"
+#include "network_helpers.h"
struct tcp_rtt_storage {
__u32 invoked;
@@ -87,34 +88,6 @@ static int verify_sk(int map_fd, int client_fd, const char *msg, __u32 invoked,
return err;
}
-static int connect_to_server(int server_fd)
-{
- struct sockaddr_storage addr;
- socklen_t len = sizeof(addr);
- int fd;
-
- fd = socket(AF_INET, SOCK_STREAM, 0);
- if (fd < 0) {
- log_err("Failed to create client socket");
- return -1;
- }
-
- if (getsockname(server_fd, (struct sockaddr *)&addr, &len)) {
- log_err("Failed to get server addr");
- goto out;
- }
-
- if (connect(fd, (const struct sockaddr *)&addr, len) < 0) {
- log_err("Fail to connect to server");
- goto out;
- }
-
- return fd;
-
-out:
- close(fd);
- return -1;
-}
static int run_test(int cgroup_fd, int server_fd)
{
@@ -145,7 +118,7 @@ static int run_test(int cgroup_fd, int server_fd)
goto close_bpf_object;
}
- client_fd = connect_to_server(server_fd);
+ client_fd = connect_to_fd(AF_INET, SOCK_STREAM, server_fd);
if (client_fd < 0) {
err = -1;
goto close_bpf_object;
@@ -180,103 +153,22 @@ close_bpf_object:
return err;
}
-static int start_server(void)
-{
- struct sockaddr_in addr = {
- .sin_family = AF_INET,
- .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
- };
- int fd;
-
- fd = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK, 0);
- if (fd < 0) {
- log_err("Failed to create server socket");
- return -1;
- }
-
- if (bind(fd, (const struct sockaddr *)&addr, sizeof(addr)) < 0) {
- log_err("Failed to bind socket");
- close(fd);
- return -1;
- }
-
- return fd;
-}
-
-static pthread_mutex_t server_started_mtx = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t server_started = PTHREAD_COND_INITIALIZER;
-static volatile bool server_done = false;
-
-static void *server_thread(void *arg)
-{
- struct sockaddr_storage addr;
- socklen_t len = sizeof(addr);
- int fd = *(int *)arg;
- int client_fd;
- int err;
-
- err = listen(fd, 1);
-
- pthread_mutex_lock(&server_started_mtx);
- pthread_cond_signal(&server_started);
- pthread_mutex_unlock(&server_started_mtx);
-
- if (CHECK_FAIL(err < 0)) {
- perror("Failed to listed on socket");
- return ERR_PTR(err);
- }
-
- while (true) {
- client_fd = accept(fd, (struct sockaddr *)&addr, &len);
- if (client_fd == -1 && errno == EAGAIN) {
- usleep(50);
- continue;
- }
- break;
- }
- if (CHECK_FAIL(client_fd < 0)) {
- perror("Failed to accept client");
- return ERR_PTR(err);
- }
-
- while (!server_done)
- usleep(50);
-
- close(client_fd);
-
- return NULL;
-}
-
void test_tcp_rtt(void)
{
int server_fd, cgroup_fd;
- pthread_t tid;
- void *server_res;
cgroup_fd = test__join_cgroup("/tcp_rtt");
if (CHECK_FAIL(cgroup_fd < 0))
return;
- server_fd = start_server();
+ server_fd = start_server(AF_INET, SOCK_STREAM);
if (CHECK_FAIL(server_fd < 0))
goto close_cgroup_fd;
- if (CHECK_FAIL(pthread_create(&tid, NULL, server_thread,
- (void *)&server_fd)))
- goto close_server_fd;
-
- pthread_mutex_lock(&server_started_mtx);
- pthread_cond_wait(&server_started, &server_started_mtx);
- pthread_mutex_unlock(&server_started_mtx);
-
CHECK_FAIL(run_test(cgroup_fd, server_fd));
- server_done = true;
- CHECK_FAIL(pthread_join(tid, &server_res));
- CHECK_FAIL(IS_ERR(server_res));
-
-close_server_fd:
close(server_fd);
+
close_cgroup_fd:
close(cgroup_fd);
}
diff --git a/tools/testing/selftests/bpf/prog_tests/test_overhead.c b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
index 465b371a561d..2702df2b2343 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_overhead.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
@@ -61,9 +61,10 @@ void test_test_overhead(void)
const char *raw_tp_name = "raw_tp/task_rename";
const char *fentry_name = "fentry/__set_task_comm";
const char *fexit_name = "fexit/__set_task_comm";
+ const char *fmodret_name = "fmod_ret/__set_task_comm";
const char *kprobe_func = "__set_task_comm";
struct bpf_program *kprobe_prog, *kretprobe_prog, *raw_tp_prog;
- struct bpf_program *fentry_prog, *fexit_prog;
+ struct bpf_program *fentry_prog, *fexit_prog, *fmodret_prog;
struct bpf_object *obj;
struct bpf_link *link;
int err, duration = 0;
@@ -96,6 +97,10 @@ void test_test_overhead(void)
if (CHECK(!fexit_prog, "find_probe",
"prog '%s' not found\n", fexit_name))
goto cleanup;
+ fmodret_prog = bpf_object__find_program_by_title(obj, fmodret_name);
+ if (CHECK(!fmodret_prog, "find_probe",
+ "prog '%s' not found\n", fmodret_name))
+ goto cleanup;
err = bpf_object__load(obj);
if (CHECK(err, "obj_load", "err %d\n", err))
@@ -142,6 +147,13 @@ void test_test_overhead(void)
goto cleanup;
test_run("fexit");
bpf_link__destroy(link);
+
+ /* attach fmod_ret */
+ link = bpf_program__attach_trace(fmodret_prog);
+ if (CHECK(IS_ERR(link), "attach fmod_ret", "err %ld\n", PTR_ERR(link)))
+ goto cleanup;
+ test_run("fmod_ret");
+ bpf_link__destroy(link);
cleanup:
prctl(PR_SET_NAME, comm, 0L, 0L, 0L);
bpf_object__close(obj);
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp.c b/tools/testing/selftests/bpf/prog_tests/xdp.c
index dcb5ecac778e..48921ff74850 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_xdp(void)
{
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
index 3744196d7cba..d5c98f2cb12f 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c
@@ -1,13 +1,14 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
-void test_xdp_adjust_tail(void)
+void test_xdp_adjust_tail_shrink(void)
{
- const char *file = "./test_adjust_tail.o";
+ const char *file = "./test_xdp_adjust_tail_shrink.o";
+ __u32 duration, retval, size, expect_sz;
struct bpf_object *obj;
- char buf[128];
- __u32 duration, retval, size;
int err, prog_fd;
+ char buf[128];
err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
if (CHECK_FAIL(err))
@@ -20,10 +21,121 @@ void test_xdp_adjust_tail(void)
"ipv4", "err %d errno %d retval %d size %d\n",
err, errno, retval, size);
+ expect_sz = sizeof(pkt_v6) - 20; /* Test shrink with 20 bytes */
err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6),
buf, &size, &retval, &duration);
- CHECK(err || retval != XDP_TX || size != 54,
- "ipv6", "err %d errno %d retval %d size %d\n",
+ CHECK(err || retval != XDP_TX || size != expect_sz,
+ "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",
+ err, errno, retval, size, expect_sz);
+ bpf_object__close(obj);
+}
+
+void test_xdp_adjust_tail_grow(void)
+{
+ const char *file = "./test_xdp_adjust_tail_grow.o";
+ struct bpf_object *obj;
+ char buf[4096]; /* avoid segfault: large buf to hold grow results */
+ __u32 duration, retval, size, expect_sz;
+ int err, prog_fd;
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd);
+ if (CHECK_FAIL(err))
+ return;
+
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != XDP_DROP,
+ "ipv4", "err %d errno %d retval %d size %d\n",
err, errno, retval, size);
+
+ expect_sz = sizeof(pkt_v6) + 40; /* Test grow with 40 bytes */
+ err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6) /* 74 */,
+ buf, &size, &retval, &duration);
+ CHECK(err || retval != XDP_TX || size != expect_sz,
+ "ipv6", "err %d errno %d retval %d size %d expect-size %d\n",
+ err, errno, retval, size, expect_sz);
+
+ bpf_object__close(obj);
+}
+
+void test_xdp_adjust_tail_grow2(void)
+{
+ const char *file = "./test_xdp_adjust_tail_grow.o";
+ char buf[4096]; /* avoid segfault: large buf to hold grow results */
+ int tailroom = 320; /* SKB_DATA_ALIGN(sizeof(struct skb_shared_info))*/;
+ struct bpf_object *obj;
+ int err, cnt, i;
+ int max_grow;
+
+ struct bpf_prog_test_run_attr tattr = {
+ .repeat = 1,
+ .data_in = &buf,
+ .data_out = &buf,
+ .data_size_in = 0, /* Per test */
+ .data_size_out = 0, /* Per test */
+ };
+
+ err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &tattr.prog_fd);
+ if (CHECK_ATTR(err, "load", "err %d errno %d\n", err, errno))
+ return;
+
+ /* Test case-64 */
+ memset(buf, 1, sizeof(buf));
+ tattr.data_size_in = 64; /* Determine test case via pkt size */
+ tattr.data_size_out = 128; /* Limit copy_size */
+ /* Kernel side alloc packet memory area that is zero init */
+ err = bpf_prog_test_run_xattr(&tattr);
+
+ CHECK_ATTR(errno != ENOSPC /* Due limit copy_size in bpf_test_finish */
+ || tattr.retval != XDP_TX
+ || tattr.data_size_out != 192, /* Expected grow size */
+ "case-64",
+ "err %d errno %d retval %d size %d\n",
+ err, errno, tattr.retval, tattr.data_size_out);
+
+ /* Extra checks for data contents */
+ CHECK_ATTR(tattr.data_size_out != 192
+ || buf[0] != 1 || buf[63] != 1 /* 0-63 memset to 1 */
+ || buf[64] != 0 || buf[127] != 0 /* 64-127 memset to 0 */
+ || buf[128] != 1 || buf[191] != 1, /*128-191 memset to 1 */
+ "case-64-data",
+ "err %d errno %d retval %d size %d\n",
+ err, errno, tattr.retval, tattr.data_size_out);
+
+ /* Test case-128 */
+ memset(buf, 2, sizeof(buf));
+ tattr.data_size_in = 128; /* Determine test case via pkt size */
+ tattr.data_size_out = sizeof(buf); /* Copy everything */
+ err = bpf_prog_test_run_xattr(&tattr);
+
+ max_grow = 4096 - XDP_PACKET_HEADROOM - tailroom; /* 3520 */
+ CHECK_ATTR(err
+ || tattr.retval != XDP_TX
+ || tattr.data_size_out != max_grow,/* Expect max grow size */
+ "case-128",
+ "err %d errno %d retval %d size %d expect-size %d\n",
+ err, errno, tattr.retval, tattr.data_size_out, max_grow);
+
+ /* Extra checks for data content: Count grow size, will contain zeros */
+ for (i = 0, cnt = 0; i < sizeof(buf); i++) {
+ if (buf[i] == 0)
+ cnt++;
+ }
+ CHECK_ATTR((cnt != (max_grow - tattr.data_size_in)) /* Grow increase */
+ || tattr.data_size_out != max_grow, /* Total grow size */
+ "case-128-data",
+ "err %d errno %d retval %d size %d grow-size %d\n",
+ err, errno, tattr.retval, tattr.data_size_out, cnt);
+
bpf_object__close(obj);
}
+
+void test_xdp_adjust_tail(void)
+{
+ if (test__start_subtest("xdp_adjust_tail_shrink"))
+ test_xdp_adjust_tail_shrink();
+ if (test__start_subtest("xdp_adjust_tail_grow"))
+ test_xdp_adjust_tail_grow();
+ if (test__start_subtest("xdp_adjust_tail_grow2"))
+ test_xdp_adjust_tail_grow2();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c
index a0f688c37023..2c6c570b21f8 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bpf2bpf.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
#include <net/if.h>
#include "test_xdp.skel.h"
#include "test_xdp_bpf2bpf.skel.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
new file mode 100644
index 000000000000..d19dbd668f6a
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <uapi/linux/bpf.h>
+#include <linux/if_link.h>
+#include <test_progs.h>
+
+#include "test_xdp_devmap_helpers.skel.h"
+#include "test_xdp_with_devmap_helpers.skel.h"
+
+#define IFINDEX_LO 1
+
+struct bpf_devmap_val {
+ u32 ifindex; /* device index */
+ union {
+ int fd; /* prog fd on map write */
+ u32 id; /* prog id on map read */
+ } bpf_prog;
+};
+
+void test_xdp_with_devmap_helpers(void)
+{
+ struct test_xdp_with_devmap_helpers *skel;
+ struct bpf_prog_info info = {};
+ struct bpf_devmap_val val = {
+ .ifindex = IFINDEX_LO,
+ };
+ __u32 len = sizeof(info);
+ __u32 duration = 0, idx = 0;
+ int err, dm_fd, map_fd;
+
+
+ skel = test_xdp_with_devmap_helpers__open_and_load();
+ if (CHECK_FAIL(!skel)) {
+ perror("test_xdp_with_devmap_helpers__open_and_load");
+ return;
+ }
+
+ /* can not attach program with DEVMAPs that allow programs
+ * as xdp generic
+ */
+ dm_fd = bpf_program__fd(skel->progs.xdp_redir_prog);
+ err = bpf_set_link_xdp_fd(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE);
+ CHECK(err == 0, "Generic attach of program with 8-byte devmap",
+ "should have failed\n");
+
+ dm_fd = bpf_program__fd(skel->progs.xdp_dummy_dm);
+ map_fd = bpf_map__fd(skel->maps.dm_ports);
+ err = bpf_obj_get_info_by_fd(dm_fd, &info, &len);
+ if (CHECK_FAIL(err))
+ goto out_close;
+
+ val.bpf_prog.fd = dm_fd;
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ CHECK(err, "Add program to devmap entry",
+ "err %d errno %d\n", err, errno);
+
+ err = bpf_map_lookup_elem(map_fd, &idx, &val);
+ CHECK(err, "Read devmap entry", "err %d errno %d\n", err, errno);
+ CHECK(info.id != val.bpf_prog.id, "Expected program id in devmap entry",
+ "expected %u read %u\n", info.id, val.bpf_prog.id);
+
+ /* can not attach BPF_XDP_DEVMAP program to a device */
+ err = bpf_set_link_xdp_fd(IFINDEX_LO, dm_fd, XDP_FLAGS_SKB_MODE);
+ CHECK(err == 0, "Attach of BPF_XDP_DEVMAP program",
+ "should have failed\n");
+
+ val.ifindex = 1;
+ val.bpf_prog.fd = bpf_program__fd(skel->progs.xdp_dummy_prog);
+ err = bpf_map_update_elem(map_fd, &idx, &val, 0);
+ CHECK(err == 0, "Add non-BPF_XDP_DEVMAP program to devmap entry",
+ "should have failed\n");
+
+out_close:
+ test_xdp_with_devmap_helpers__destroy(skel);
+}
+
+void test_neg_xdp_devmap_helpers(void)
+{
+ struct test_xdp_devmap_helpers *skel;
+ __u32 duration = 0;
+
+ skel = test_xdp_devmap_helpers__open_and_load();
+ if (CHECK(skel,
+ "Load of XDP program accessing egress ifindex without attach type",
+ "should have failed\n")) {
+ test_xdp_devmap_helpers__destroy(skel);
+ }
+}
+
+
+void test_xdp_devmap_attach(void)
+{
+ if (test__start_subtest("DEVMAP with programs in entries"))
+ test_xdp_with_devmap_helpers();
+
+ if (test__start_subtest("Verifier check of DEVMAP programs"))
+ test_neg_xdp_devmap_helpers();
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
index c9404e6b226e..f284f72158ef 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_noinline.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
+#include <network_helpers.h>
void test_xdp_noinline(void)
{
diff --git a/tools/testing/selftests/bpf/progs/bpf_flow.c b/tools/testing/selftests/bpf/progs/bpf_flow.c
index 9941f0ba471e..de6de9221518 100644
--- a/tools/testing/selftests/bpf/progs/bpf_flow.c
+++ b/tools/testing/selftests/bpf/progs/bpf_flow.c
@@ -20,20 +20,20 @@
#include <bpf/bpf_endian.h>
int _version SEC("version") = 1;
-#define PROG(F) SEC(#F) int bpf_func_##F
+#define PROG(F) PROG_(F, _##F)
+#define PROG_(NUM, NAME) SEC("flow_dissector/"#NUM) int bpf_func##NAME
/* These are the identifiers of the BPF programs that will be used in tail
* calls. Name is limited to 16 characters, with the terminating character and
* bpf_func_ above, we have only 6 to work with, anything after will be cropped.
*/
-enum {
- IP,
- IPV6,
- IPV6OP, /* Destination/Hop-by-Hop Options IPv6 Extension header */
- IPV6FR, /* Fragmentation IPv6 Extension Header */
- MPLS,
- VLAN,
-};
+#define IP 0
+#define IPV6 1
+#define IPV6OP 2 /* Destination/Hop-by-Hop Options IPv6 Ext. Header */
+#define IPV6FR 3 /* Fragmentation IPv6 Extension Header */
+#define MPLS 4
+#define VLAN 5
+#define MAX_PROG 6
#define IP_MF 0x2000
#define IP_OFFSET 0x1FFF
@@ -59,7 +59,7 @@ struct frag_hdr {
struct {
__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
- __uint(max_entries, 8);
+ __uint(max_entries, MAX_PROG);
__uint(key_size, sizeof(__u32));
__uint(value_size, sizeof(__u32));
} jmp_table SEC(".maps");
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c
new file mode 100644
index 000000000000..b57bd6fef208
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_bpf_map.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__bpf_map
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__bpf_map {
+ struct bpf_iter_meta *meta;
+ struct bpf_map *map;
+} __attribute__((preserve_access_index));
+
+SEC("iter/bpf_map")
+int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ __u64 seq_num = ctx->meta->seq_num;
+ struct bpf_map *map = ctx->map;
+
+ if (map == (void *)0) {
+ BPF_SEQ_PRINTF(seq, " %%%%%% END %%%%%%\n");
+ return 0;
+ }
+
+ if (seq_num == 0)
+ BPF_SEQ_PRINTF(seq, " id refcnt usercnt locked_vm\n");
+
+ BPF_SEQ_PRINTF(seq, "%8u %8ld %8ld %10lu\n", map->id, map->refcnt.counter,
+ map->usercnt.counter,
+ map->memory.user->locked_vm.counter);
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c b/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c
new file mode 100644
index 000000000000..c8e9ca74c87b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_ipv6_route.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__ipv6_route bpf_iter__ipv6_route___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__ipv6_route
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__ipv6_route {
+ struct bpf_iter_meta *meta;
+ struct fib6_info *rt;
+} __attribute__((preserve_access_index));
+
+char _license[] SEC("license") = "GPL";
+
+extern bool CONFIG_IPV6_SUBTREES __kconfig __weak;
+
+#define RTF_GATEWAY 0x0002
+#define IFNAMSIZ 16
+#define fib_nh_gw_family nh_common.nhc_gw_family
+#define fib_nh_gw6 nh_common.nhc_gw.ipv6
+#define fib_nh_dev nh_common.nhc_dev
+
+SEC("iter/ipv6_route")
+int dump_ipv6_route(struct bpf_iter__ipv6_route *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct fib6_info *rt = ctx->rt;
+ const struct net_device *dev;
+ struct fib6_nh *fib6_nh;
+ unsigned int flags;
+ struct nexthop *nh;
+
+ if (rt == (void *)0)
+ return 0;
+
+ fib6_nh = &rt->fib6_nh[0];
+ flags = rt->fib6_flags;
+
+ /* FIXME: nexthop_is_multipath is not handled here. */
+ nh = rt->nh;
+ if (rt->nh)
+ fib6_nh = &nh->nh_info->fib6_nh;
+
+ BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
+
+ if (CONFIG_IPV6_SUBTREES)
+ BPF_SEQ_PRINTF(seq, "%pi6 %02x ", &rt->fib6_src.addr,
+ rt->fib6_src.plen);
+ else
+ BPF_SEQ_PRINTF(seq, "00000000000000000000000000000000 00 ");
+
+ if (fib6_nh->fib_nh_gw_family) {
+ flags |= RTF_GATEWAY;
+ BPF_SEQ_PRINTF(seq, "%pi6 ", &fib6_nh->fib_nh_gw6);
+ } else {
+ BPF_SEQ_PRINTF(seq, "00000000000000000000000000000000 ");
+ }
+
+ dev = fib6_nh->fib_nh_dev;
+ if (dev)
+ BPF_SEQ_PRINTF(seq, "%08x %08x %08x %08x %8s\n", rt->fib6_metric,
+ rt->fib6_ref.refs.counter, 0, flags, dev->name);
+ else
+ BPF_SEQ_PRINTF(seq, "%08x %08x %08x %08x\n", rt->fib6_metric,
+ rt->fib6_ref.refs.counter, 0, flags);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
new file mode 100644
index 000000000000..e7b8753eac0b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_netlink.c
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__netlink bpf_iter__netlink___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__netlink
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+#define sk_rmem_alloc sk_backlog.rmem_alloc
+#define sk_refcnt __sk_common.skc_refcnt
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__netlink {
+ struct bpf_iter_meta *meta;
+ struct netlink_sock *sk;
+} __attribute__((preserve_access_index));
+
+static inline struct inode *SOCK_INODE(struct socket *socket)
+{
+ return &container_of(socket, struct socket_alloc, socket)->vfs_inode;
+}
+
+SEC("iter/netlink")
+int dump_netlink(struct bpf_iter__netlink *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct netlink_sock *nlk = ctx->sk;
+ unsigned long group, ino;
+ struct inode *inode;
+ struct socket *sk;
+ struct sock *s;
+
+ if (nlk == (void *)0)
+ return 0;
+
+ if (ctx->meta->seq_num == 0)
+ BPF_SEQ_PRINTF(seq, "sk Eth Pid Groups "
+ "Rmem Wmem Dump Locks Drops "
+ "Inode\n");
+
+ s = &nlk->sk;
+ BPF_SEQ_PRINTF(seq, "%pK %-3d ", s, s->sk_protocol);
+
+ if (!nlk->groups) {
+ group = 0;
+ } else {
+ /* FIXME: temporary use bpf_probe_read here, needs
+ * verifier support to do direct access.
+ */
+ bpf_probe_read(&group, sizeof(group), &nlk->groups[0]);
+ }
+ BPF_SEQ_PRINTF(seq, "%-10u %08x %-8d %-8d %-5d %-8d ",
+ nlk->portid, (u32)group,
+ s->sk_rmem_alloc.counter,
+ s->sk_wmem_alloc.refs.counter - 1,
+ nlk->cb_running, s->sk_refcnt.refs.counter);
+
+ sk = s->sk_socket;
+ if (!sk) {
+ ino = 0;
+ } else {
+ /* FIXME: container_of inside SOCK_INODE has a forced
+ * type conversion, and direct access cannot be used
+ * with current verifier.
+ */
+ inode = SOCK_INODE(sk);
+ bpf_probe_read(&ino, sizeof(ino), &inode->i_ino);
+ }
+ BPF_SEQ_PRINTF(seq, "%-8u %-8lu\n", s->sk_drops.counter, ino);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task.c b/tools/testing/selftests/bpf/progs/bpf_iter_task.c
new file mode 100644
index 000000000000..ee754021f98e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__task bpf_iter__task___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__task
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task {
+ struct bpf_iter_meta *meta;
+ struct task_struct *task;
+} __attribute__((preserve_access_index));
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct task_struct *task = ctx->task;
+
+ if (task == (void *)0) {
+ BPF_SEQ_PRINTF(seq, " === END ===\n");
+ return 0;
+ }
+
+ if (ctx->meta->seq_num == 0)
+ BPF_SEQ_PRINTF(seq, " tgid gid\n");
+
+ BPF_SEQ_PRINTF(seq, "%8d %8d\n", task->tgid, task->pid);
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c
new file mode 100644
index 000000000000..0f0ec3db20ba
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_task_file.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__task_file bpf_iter__task_file___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__task_file
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task_file {
+ struct bpf_iter_meta *meta;
+ struct task_struct *task;
+ __u32 fd;
+ struct file *file;
+} __attribute__((preserve_access_index));
+
+SEC("iter/task_file")
+int dump_task_file(struct bpf_iter__task_file *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct task_struct *task = ctx->task;
+ __u32 fd = ctx->fd;
+ struct file *file = ctx->file;
+
+ if (task == (void *)0 || file == (void *)0)
+ return 0;
+
+ if (ctx->meta->seq_num == 0)
+ BPF_SEQ_PRINTF(seq, " tgid gid fd file\n");
+
+ BPF_SEQ_PRINTF(seq, "%8d %8d %8d %lx\n", task->tgid, task->pid, fd,
+ (long)file->f_op);
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c
new file mode 100644
index 000000000000..c71a7c283108
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern1.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define START_CHAR 'a'
+#include "bpf_iter_test_kern_common.h"
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c
new file mode 100644
index 000000000000..8bdc8dc07444
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern2.c
@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define START_CHAR 'A'
+#include "bpf_iter_test_kern_common.h"
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c
new file mode 100644
index 000000000000..13c2c90c835f
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern3.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__task bpf_iter__task___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__task
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task {
+ struct bpf_iter_meta *meta;
+ struct task_struct *task;
+} __attribute__((preserve_access_index));
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct task_struct *task = ctx->task;
+ int tgid;
+
+ tgid = task->tgid;
+ bpf_seq_write(seq, &tgid, sizeof(tgid));
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c
new file mode 100644
index 000000000000..0aa71b333cf3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2020 Facebook */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__bpf_map bpf_iter__bpf_map___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__bpf_map
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__bpf_map {
+ struct bpf_iter_meta *meta;
+ struct bpf_map *map;
+} __attribute__((preserve_access_index));
+
+__u32 map1_id = 0, map2_id = 0;
+__u32 map1_accessed = 0, map2_accessed = 0;
+__u64 map1_seqnum = 0, map2_seqnum1 = 0, map2_seqnum2 = 0;
+
+static volatile const __u32 print_len;
+static volatile const __u32 ret1;
+
+SEC("iter/bpf_map")
+int dump_bpf_map(struct bpf_iter__bpf_map *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ struct bpf_map *map = ctx->map;
+ __u64 seq_num;
+ int i, ret = 0;
+
+ if (map == (void *)0)
+ return 0;
+
+ /* only dump map1_id and map2_id */
+ if (map->id != map1_id && map->id != map2_id)
+ return 0;
+
+ seq_num = ctx->meta->seq_num;
+ if (map->id == map1_id) {
+ map1_seqnum = seq_num;
+ map1_accessed++;
+ }
+
+ if (map->id == map2_id) {
+ if (map2_accessed == 0) {
+ map2_seqnum1 = seq_num;
+ if (ret1)
+ ret = 1;
+ } else {
+ map2_seqnum2 = seq_num;
+ }
+ map2_accessed++;
+ }
+
+ /* fill seq_file buffer */
+ for (i = 0; i < print_len; i++)
+ bpf_seq_write(seq, &seq_num, sizeof(seq_num));
+
+ return ret;
+}
diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h
new file mode 100644
index 000000000000..dee1339e6905
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_iter_test_kern_common.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+/* "undefine" structs in vmlinux.h, because we "override" them below */
+#define bpf_iter_meta bpf_iter_meta___not_used
+#define bpf_iter__task bpf_iter__task___not_used
+#include "vmlinux.h"
+#undef bpf_iter_meta
+#undef bpf_iter__task
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+int count = 0;
+
+struct bpf_iter_meta {
+ struct seq_file *seq;
+ __u64 session_id;
+ __u64 seq_num;
+} __attribute__((preserve_access_index));
+
+struct bpf_iter__task {
+ struct bpf_iter_meta *meta;
+ struct task_struct *task;
+} __attribute__((preserve_access_index));
+
+SEC("iter/task")
+int dump_task(struct bpf_iter__task *ctx)
+{
+ struct seq_file *seq = ctx->meta->seq;
+ char c;
+
+ if (count < 4) {
+ c = START_CHAR + count;
+ bpf_seq_write(seq, &c, sizeof(c));
+ count++;
+ }
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c
new file mode 100644
index 000000000000..3f757e30d7a0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/cgroup_skb_sk_lookup_kern.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_endian.h>
+#include <bpf/bpf_helpers.h>
+
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <linux/ipv6.h>
+#include <linux/tcp.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+int _version SEC("version") = 1;
+char _license[] SEC("license") = "GPL";
+
+__u16 g_serv_port = 0;
+
+static inline void set_ip(__u32 *dst, const struct in6_addr *src)
+{
+ dst[0] = src->in6_u.u6_addr32[0];
+ dst[1] = src->in6_u.u6_addr32[1];
+ dst[2] = src->in6_u.u6_addr32[2];
+ dst[3] = src->in6_u.u6_addr32[3];
+}
+
+static inline void set_tuple(struct bpf_sock_tuple *tuple,
+ const struct ipv6hdr *ip6h,
+ const struct tcphdr *tcph)
+{
+ set_ip(tuple->ipv6.saddr, &ip6h->daddr);
+ set_ip(tuple->ipv6.daddr, &ip6h->saddr);
+ tuple->ipv6.sport = tcph->dest;
+ tuple->ipv6.dport = tcph->source;
+}
+
+static inline int is_allowed_peer_cg(struct __sk_buff *skb,
+ const struct ipv6hdr *ip6h,
+ const struct tcphdr *tcph)
+{
+ __u64 cgid, acgid, peer_cgid, peer_acgid;
+ struct bpf_sock_tuple tuple;
+ size_t tuple_len = sizeof(tuple.ipv6);
+ struct bpf_sock *peer_sk;
+
+ set_tuple(&tuple, ip6h, tcph);
+
+ peer_sk = bpf_sk_lookup_tcp(skb, &tuple, tuple_len,
+ BPF_F_CURRENT_NETNS, 0);
+ if (!peer_sk)
+ return 0;
+
+ cgid = bpf_skb_cgroup_id(skb);
+ peer_cgid = bpf_sk_cgroup_id(peer_sk);
+
+ acgid = bpf_skb_ancestor_cgroup_id(skb, 2);
+ peer_acgid = bpf_sk_ancestor_cgroup_id(peer_sk, 2);
+
+ bpf_sk_release(peer_sk);
+
+ return cgid && cgid == peer_cgid && acgid && acgid == peer_acgid;
+}
+
+SEC("cgroup_skb/ingress")
+int ingress_lookup(struct __sk_buff *skb)
+{
+ __u32 serv_port_key = 0;
+ struct ipv6hdr ip6h;
+ struct tcphdr tcph;
+
+ if (skb->protocol != bpf_htons(ETH_P_IPV6))
+ return 1;
+
+ /* For SYN packets coming to listening socket skb->remote_port will be
+ * zero, so IPv6/TCP headers are loaded to identify remote peer
+ * instead.
+ */
+ if (bpf_skb_load_bytes(skb, 0, &ip6h, sizeof(ip6h)))
+ return 1;
+
+ if (ip6h.nexthdr != IPPROTO_TCP)
+ return 1;
+
+ if (bpf_skb_load_bytes(skb, sizeof(ip6h), &tcph, sizeof(tcph)))
+ return 1;
+
+ if (!g_serv_port)
+ return 0;
+
+ if (tcph.dest != g_serv_port)
+ return 1;
+
+ return is_allowed_peer_cg(skb, &ip6h, &tcph);
+}
diff --git a/tools/testing/selftests/bpf/progs/connect4_prog.c b/tools/testing/selftests/bpf/progs/connect4_prog.c
index 75085119c5bb..1ab2c5eba86c 100644
--- a/tools/testing/selftests/bpf/progs/connect4_prog.c
+++ b/tools/testing/selftests/bpf/progs/connect4_prog.c
@@ -8,6 +8,9 @@
#include <linux/in.h>
#include <linux/in6.h>
#include <sys/socket.h>
+#include <netinet/tcp.h>
+#include <linux/if.h>
+#include <errno.h>
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
@@ -16,13 +19,95 @@
#define DST_REWRITE_IP4 0x7f000001U
#define DST_REWRITE_PORT4 4444
+#ifndef TCP_CA_NAME_MAX
+#define TCP_CA_NAME_MAX 16
+#endif
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+
int _version SEC("version") = 1;
+__attribute__ ((noinline))
+int do_bind(struct bpf_sock_addr *ctx)
+{
+ struct sockaddr_in sa = {};
+
+ sa.sin_family = AF_INET;
+ sa.sin_port = bpf_htons(0);
+ sa.sin_addr.s_addr = bpf_htonl(SRC_REWRITE_IP4);
+
+ if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+ return 0;
+
+ return 1;
+}
+
+static __inline int verify_cc(struct bpf_sock_addr *ctx,
+ char expected[TCP_CA_NAME_MAX])
+{
+ char buf[TCP_CA_NAME_MAX];
+ int i;
+
+ if (bpf_getsockopt(ctx, SOL_TCP, TCP_CONGESTION, &buf, sizeof(buf)))
+ return 1;
+
+ for (i = 0; i < TCP_CA_NAME_MAX; i++) {
+ if (buf[i] != expected[i])
+ return 1;
+ if (buf[i] == 0)
+ break;
+ }
+
+ return 0;
+}
+
+static __inline int set_cc(struct bpf_sock_addr *ctx)
+{
+ char reno[TCP_CA_NAME_MAX] = "reno";
+ char cubic[TCP_CA_NAME_MAX] = "cubic";
+
+ if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &reno, sizeof(reno)))
+ return 1;
+ if (verify_cc(ctx, reno))
+ return 1;
+
+ if (bpf_setsockopt(ctx, SOL_TCP, TCP_CONGESTION, &cubic, sizeof(cubic)))
+ return 1;
+ if (verify_cc(ctx, cubic))
+ return 1;
+
+ return 0;
+}
+
+static __inline int bind_to_device(struct bpf_sock_addr *ctx)
+{
+ char veth1[IFNAMSIZ] = "test_sock_addr1";
+ char veth2[IFNAMSIZ] = "test_sock_addr2";
+ char missing[IFNAMSIZ] = "nonexistent_dev";
+ char del_bind[IFNAMSIZ] = "";
+
+ if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+ &veth1, sizeof(veth1)))
+ return 1;
+ if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+ &veth2, sizeof(veth2)))
+ return 1;
+ if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+ &missing, sizeof(missing)) != -ENODEV)
+ return 1;
+ if (bpf_setsockopt(ctx, SOL_SOCKET, SO_BINDTODEVICE,
+ &del_bind, sizeof(del_bind)))
+ return 1;
+
+ return 0;
+}
+
SEC("cgroup/connect4")
int connect_v4_prog(struct bpf_sock_addr *ctx)
{
struct bpf_sock_tuple tuple = {};
- struct sockaddr_in sa;
struct bpf_sock *sk;
/* Verify that new destination is available. */
@@ -32,6 +117,10 @@ int connect_v4_prog(struct bpf_sock_addr *ctx)
tuple.ipv4.daddr = bpf_htonl(DST_REWRITE_IP4);
tuple.ipv4.dport = bpf_htons(DST_REWRITE_PORT4);
+ /* Bind to device and unbind it. */
+ if (bind_to_device(ctx))
+ return 0;
+
if (ctx->type != SOCK_STREAM && ctx->type != SOCK_DGRAM)
return 0;
else if (ctx->type == SOCK_STREAM)
@@ -52,21 +141,15 @@ int connect_v4_prog(struct bpf_sock_addr *ctx)
bpf_sk_release(sk);
+ /* Rewrite congestion control. */
+ if (ctx->type == SOCK_STREAM && set_cc(ctx))
+ return 0;
+
/* Rewrite destination. */
ctx->user_ip4 = bpf_htonl(DST_REWRITE_IP4);
ctx->user_port = bpf_htons(DST_REWRITE_PORT4);
- /* Rewrite source. */
- memset(&sa, 0, sizeof(sa));
-
- sa.sin_family = AF_INET;
- sa.sin_port = bpf_htons(0);
- sa.sin_addr.s_addr = bpf_htonl(SRC_REWRITE_IP4);
-
- if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
- return 0;
-
- return 1;
+ return do_bind(ctx) ? 1 : 0;
}
char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/connect_force_port4.c b/tools/testing/selftests/bpf/progs/connect_force_port4.c
new file mode 100644
index 000000000000..7396308677a3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect_force_port4.c
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include <stdbool.h>
+
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+int _version SEC("version") = 1;
+
+struct svc_addr {
+ __be32 addr;
+ __be16 port;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, struct svc_addr);
+} service_mapping SEC(".maps");
+
+SEC("cgroup/connect4")
+int connect4(struct bpf_sock_addr *ctx)
+{
+ struct sockaddr_in sa = {};
+ struct svc_addr *orig;
+
+ /* Force local address to 127.0.0.1:22222. */
+ sa.sin_family = AF_INET;
+ sa.sin_port = bpf_htons(22222);
+ sa.sin_addr.s_addr = bpf_htonl(0x7f000001);
+
+ if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+ return 0;
+
+ /* Rewire service 1.2.3.4:60000 to backend 127.0.0.1:60123. */
+ if (ctx->user_port == bpf_htons(60000)) {
+ orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!orig)
+ return 0;
+
+ orig->addr = ctx->user_ip4;
+ orig->port = ctx->user_port;
+
+ ctx->user_ip4 = bpf_htonl(0x7f000001);
+ ctx->user_port = bpf_htons(60123);
+ }
+ return 1;
+}
+
+SEC("cgroup/getsockname4")
+int getsockname4(struct bpf_sock_addr *ctx)
+{
+ /* Expose local server as 1.2.3.4:60000 to client. */
+ if (ctx->user_port == bpf_htons(60123)) {
+ ctx->user_ip4 = bpf_htonl(0x01020304);
+ ctx->user_port = bpf_htons(60000);
+ }
+ return 1;
+}
+
+SEC("cgroup/getpeername4")
+int getpeername4(struct bpf_sock_addr *ctx)
+{
+ struct svc_addr *orig;
+
+ /* Expose service 1.2.3.4:60000 as peer instead of backend. */
+ if (ctx->user_port == bpf_htons(60123)) {
+ orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0, 0);
+ if (orig) {
+ ctx->user_ip4 = orig->addr;
+ ctx->user_port = orig->port;
+ }
+ }
+ return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/connect_force_port6.c b/tools/testing/selftests/bpf/progs/connect_force_port6.c
new file mode 100644
index 000000000000..c1a2b555e9ad
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/connect_force_port6.c
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+#include <sys/socket.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+char _license[] SEC("license") = "GPL";
+int _version SEC("version") = 1;
+
+struct svc_addr {
+ __be32 addr[4];
+ __be16 port;
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, struct svc_addr);
+} service_mapping SEC(".maps");
+
+SEC("cgroup/connect6")
+int connect6(struct bpf_sock_addr *ctx)
+{
+ struct sockaddr_in6 sa = {};
+ struct svc_addr *orig;
+
+ /* Force local address to [::1]:22223. */
+ sa.sin6_family = AF_INET6;
+ sa.sin6_port = bpf_htons(22223);
+ sa.sin6_addr.s6_addr32[3] = bpf_htonl(1);
+
+ if (bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa)) != 0)
+ return 0;
+
+ /* Rewire service [fc00::1]:60000 to backend [::1]:60124. */
+ if (ctx->user_port == bpf_htons(60000)) {
+ orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0,
+ BPF_SK_STORAGE_GET_F_CREATE);
+ if (!orig)
+ return 0;
+
+ orig->addr[0] = ctx->user_ip6[0];
+ orig->addr[1] = ctx->user_ip6[1];
+ orig->addr[2] = ctx->user_ip6[2];
+ orig->addr[3] = ctx->user_ip6[3];
+ orig->port = ctx->user_port;
+
+ ctx->user_ip6[0] = 0;
+ ctx->user_ip6[1] = 0;
+ ctx->user_ip6[2] = 0;
+ ctx->user_ip6[3] = bpf_htonl(1);
+ ctx->user_port = bpf_htons(60124);
+ }
+ return 1;
+}
+
+SEC("cgroup/getsockname6")
+int getsockname6(struct bpf_sock_addr *ctx)
+{
+ /* Expose local server as [fc00::1]:60000 to client. */
+ if (ctx->user_port == bpf_htons(60124)) {
+ ctx->user_ip6[0] = bpf_htonl(0xfc000000);
+ ctx->user_ip6[1] = 0;
+ ctx->user_ip6[2] = 0;
+ ctx->user_ip6[3] = bpf_htonl(1);
+ ctx->user_port = bpf_htons(60000);
+ }
+ return 1;
+}
+
+SEC("cgroup/getpeername6")
+int getpeername6(struct bpf_sock_addr *ctx)
+{
+ struct svc_addr *orig;
+
+ /* Expose service [fc00::1]:60000 as peer instead of backend. */
+ if (ctx->user_port == bpf_htons(60124)) {
+ orig = bpf_sk_storage_get(&service_mapping, ctx->sk, 0, 0);
+ if (orig) {
+ ctx->user_ip6[0] = orig->addr[0];
+ ctx->user_ip6[1] = orig->addr[1];
+ ctx->user_ip6[2] = orig->addr[2];
+ ctx->user_ip6[3] = orig->addr[3];
+ ctx->user_port = orig->port;
+ }
+ }
+ return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/core_reloc_types.h b/tools/testing/selftests/bpf/progs/core_reloc_types.h
index 6d598cfbdb3e..34d84717c946 100644
--- a/tools/testing/selftests/bpf/progs/core_reloc_types.h
+++ b/tools/testing/selftests/bpf/progs/core_reloc_types.h
@@ -379,7 +379,7 @@ struct core_reloc_arrays___equiv_zero_sz_arr {
struct core_reloc_arrays_substruct c[3];
struct core_reloc_arrays_substruct d[1][2];
/* equivalent to flexible array */
- struct core_reloc_arrays_substruct f[0][2];
+ struct core_reloc_arrays_substruct f[][2];
};
struct core_reloc_arrays___fixed_arr {
diff --git a/tools/testing/selftests/bpf/progs/freplace_connect4.c b/tools/testing/selftests/bpf/progs/freplace_connect4.c
new file mode 100644
index 000000000000..a0ae84230699
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/freplace_connect4.c
@@ -0,0 +1,18 @@
+#include <linux/stddef.h>
+#include <linux/ipv6.h>
+#include <linux/bpf.h>
+#include <linux/in.h>
+#include <sys/socket.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+SEC("freplace/do_bind")
+int new_do_bind(struct bpf_sock_addr *ctx)
+{
+ struct sockaddr_in sa = {};
+
+ bpf_bind(ctx, (struct sockaddr *)&sa, sizeof(sa));
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/perfbuf_bench.c b/tools/testing/selftests/bpf/progs/perfbuf_bench.c
new file mode 100644
index 000000000000..e5ab4836a641
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/perfbuf_bench.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+ __uint(type, BPF_MAP_TYPE_PERF_EVENT_ARRAY);
+ __uint(value_size, sizeof(int));
+ __uint(key_size, sizeof(int));
+} perfbuf SEC(".maps");
+
+const volatile int batch_cnt = 0;
+
+long sample_val = 42;
+long dropped __attribute__((aligned(128))) = 0;
+
+SEC("fentry/__x64_sys_getpgid")
+int bench_perfbuf(void *ctx)
+{
+ __u64 *sample;
+ int i;
+
+ for (i = 0; i < batch_cnt; i++) {
+ if (bpf_perf_event_output(ctx, &perfbuf, BPF_F_CURRENT_CPU,
+ &sample_val, sizeof(sample_val)))
+ __sync_add_and_fetch(&dropped, 1);
+ }
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/ringbuf_bench.c b/tools/testing/selftests/bpf/progs/ringbuf_bench.c
new file mode 100644
index 000000000000..123607d314d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/ringbuf_bench.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct {
+ __uint(type, BPF_MAP_TYPE_RINGBUF);
+} ringbuf SEC(".maps");
+
+const volatile int batch_cnt = 0;
+const volatile long use_output = 0;
+
+long sample_val = 42;
+long dropped __attribute__((aligned(128))) = 0;
+
+const volatile long wakeup_data_size = 0;
+
+static __always_inline long get_flags()
+{
+ long sz;
+
+ if (!wakeup_data_size)
+ return 0;
+
+ sz = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA);
+ return sz >= wakeup_data_size ? BPF_RB_FORCE_WAKEUP : BPF_RB_NO_WAKEUP;
+}
+
+SEC("fentry/__x64_sys_getpgid")
+int bench_ringbuf(void *ctx)
+{
+ long *sample, flags;
+ int i;
+
+ if (!use_output) {
+ for (i = 0; i < batch_cnt; i++) {
+ sample = bpf_ringbuf_reserve(&ringbuf,
+ sizeof(sample_val), 0);
+ if (!sample) {
+ __sync_add_and_fetch(&dropped, 1);
+ } else {
+ *sample = sample_val;
+ flags = get_flags();
+ bpf_ringbuf_submit(sample, flags);
+ }
+ }
+ } else {
+ for (i = 0; i < batch_cnt; i++) {
+ flags = get_flags();
+ if (bpf_ringbuf_output(&ringbuf, &sample_val,
+ sizeof(sample_val), flags))
+ __sync_add_and_fetch(&dropped, 1);
+ }
+ }
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_btf_haskv.c b/tools/testing/selftests/bpf/progs/test_btf_haskv.c
index 88b0566da13d..31538c9ed193 100644
--- a/tools/testing/selftests/bpf/progs/test_btf_haskv.c
+++ b/tools/testing/selftests/bpf/progs/test_btf_haskv.c
@@ -20,20 +20,12 @@ struct bpf_map_def SEC("maps") btf_map = {
BPF_ANNOTATE_KV_PAIR(btf_map, int, struct ipv_counts);
-struct dummy_tracepoint_args {
- unsigned long long pad;
- struct sock *sock;
-};
-
__attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
{
struct ipv_counts *counts;
int key = 0;
- if (!arg->sock)
- return 0;
-
counts = bpf_map_lookup_elem(&btf_map, &key);
if (!counts)
return 0;
@@ -44,15 +36,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
}
__attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
{
- return test_long_fname_2(arg);
+ return test_long_fname_2();
}
SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
{
- return test_long_fname_1(arg);
+ return test_long_fname_1();
}
char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c b/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c
new file mode 100644
index 000000000000..e5093796be97
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_btf_map_in_map.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2020 Facebook */
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct inner_map {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+} inner_map1 SEC(".maps"),
+ inner_map2 SEC(".maps");
+
+struct outer_arr {
+ __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+ __uint(max_entries, 3);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+ /* it's possible to use anonymous struct as inner map definition here */
+ __array(values, struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ /* changing max_entries to 2 will fail during load
+ * due to incompatibility with inner_map definition */
+ __uint(max_entries, 1);
+ __type(key, int);
+ __type(value, int);
+ });
+} outer_arr SEC(".maps") = {
+ /* (void *) cast is necessary because we didn't use `struct inner_map`
+ * in __inner(values, ...)
+ * Actually, a conscious effort is required to screw up initialization
+ * of inner map slots, which is a great thing!
+ */
+ .values = { (void *)&inner_map1, 0, (void *)&inner_map2 },
+};
+
+struct outer_hash {
+ __uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
+ __uint(max_entries, 5);
+ __uint(key_size, sizeof(int));
+ /* Here everything works flawlessly due to reuse of struct inner_map
+ * and compiler will complain at the attempt to use non-inner_map
+ * references below. This is great experience.
+ */
+ __array(values, struct inner_map);
+} outer_hash SEC(".maps") = {
+ .values = {
+ [0] = &inner_map2,
+ [4] = &inner_map1,
+ },
+};
+
+int input = 0;
+
+SEC("raw_tp/sys_enter")
+int handle__sys_enter(void *ctx)
+{
+ struct inner_map *inner_map;
+ int key = 0, val;
+
+ inner_map = bpf_map_lookup_elem(&outer_arr, &key);
+ if (!inner_map)
+ return 1;
+ val = input;
+ bpf_map_update_elem(inner_map, &key, &val, 0);
+
+ inner_map = bpf_map_lookup_elem(&outer_hash, &key);
+ if (!inner_map)
+ return 1;
+ val = input + 1;
+ bpf_map_update_elem(inner_map, &key, &val, 0);
+
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_newkv.c b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
index a924e53c8e9d..6c5560162746 100644
--- a/tools/testing/selftests/bpf/progs/test_btf_newkv.c
+++ b/tools/testing/selftests/bpf/progs/test_btf_newkv.c
@@ -28,20 +28,12 @@ struct {
__type(value, struct ipv_counts);
} btf_map SEC(".maps");
-struct dummy_tracepoint_args {
- unsigned long long pad;
- struct sock *sock;
-};
-
__attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
{
struct ipv_counts *counts;
int key = 0;
- if (!arg->sock)
- return 0;
-
counts = bpf_map_lookup_elem(&btf_map, &key);
if (!counts)
return 0;
@@ -57,15 +49,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
}
__attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
{
- return test_long_fname_2(arg);
+ return test_long_fname_2();
}
SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
{
- return test_long_fname_1(arg);
+ return test_long_fname_1();
}
char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_btf_nokv.c b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
index 983aedd1c072..506da7fd2da2 100644
--- a/tools/testing/selftests/bpf/progs/test_btf_nokv.c
+++ b/tools/testing/selftests/bpf/progs/test_btf_nokv.c
@@ -17,20 +17,12 @@ struct bpf_map_def SEC("maps") btf_map = {
.max_entries = 4,
};
-struct dummy_tracepoint_args {
- unsigned long long pad;
- struct sock *sock;
-};
-
__attribute__((noinline))
-int test_long_fname_2(struct dummy_tracepoint_args *arg)
+int test_long_fname_2(void)
{
struct ipv_counts *counts;
int key = 0;
- if (!arg->sock)
- return 0;
-
counts = bpf_map_lookup_elem(&btf_map, &key);
if (!counts)
return 0;
@@ -41,15 +33,15 @@ int test_long_fname_2(struct dummy_tracepoint_args *arg)
}
__attribute__((noinline))
-int test_long_fname_1(struct dummy_tracepoint_args *arg)
+int test_long_fname_1(void)
{
- return test_long_fname_2(arg);
+ return test_long_fname_2();
}
SEC("dummy_tracepoint")
-int _dummy_tracepoint(struct dummy_tracepoint_args *arg)
+int _dummy_tracepoint(void *arg)
{
- return test_long_fname_1(arg);
+ return test_long_fname_1();
}
char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect.c b/tools/testing/selftests/bpf/progs/test_cls_redirect.c
new file mode 100644
index 000000000000..f0b72e86bee5
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cls_redirect.c
@@ -0,0 +1,1061 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+// Copyright (c) 2019, 2020 Cloudflare
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/bpf.h>
+#include <linux/icmp.h>
+#include <linux/icmpv6.h>
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/pkt_cls.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#include "test_cls_redirect.h"
+
+#define offsetofend(TYPE, MEMBER) \
+ (offsetof(TYPE, MEMBER) + sizeof((((TYPE *)0)->MEMBER)))
+
+#define IP_OFFSET_MASK (0x1FFF)
+#define IP_MF (0x2000)
+
+char _license[] SEC("license") = "Dual BSD/GPL";
+
+/**
+ * Destination port and IP used for UDP encapsulation.
+ */
+static volatile const __be16 ENCAPSULATION_PORT;
+static volatile const __be32 ENCAPSULATION_IP;
+
+typedef struct {
+ uint64_t processed_packets_total;
+ uint64_t l3_protocol_packets_total_ipv4;
+ uint64_t l3_protocol_packets_total_ipv6;
+ uint64_t l4_protocol_packets_total_tcp;
+ uint64_t l4_protocol_packets_total_udp;
+ uint64_t accepted_packets_total_syn;
+ uint64_t accepted_packets_total_syn_cookies;
+ uint64_t accepted_packets_total_last_hop;
+ uint64_t accepted_packets_total_icmp_echo_request;
+ uint64_t accepted_packets_total_established;
+ uint64_t forwarded_packets_total_gue;
+ uint64_t forwarded_packets_total_gre;
+
+ uint64_t errors_total_unknown_l3_proto;
+ uint64_t errors_total_unknown_l4_proto;
+ uint64_t errors_total_malformed_ip;
+ uint64_t errors_total_fragmented_ip;
+ uint64_t errors_total_malformed_icmp;
+ uint64_t errors_total_unwanted_icmp;
+ uint64_t errors_total_malformed_icmp_pkt_too_big;
+ uint64_t errors_total_malformed_tcp;
+ uint64_t errors_total_malformed_udp;
+ uint64_t errors_total_icmp_echo_replies;
+ uint64_t errors_total_malformed_encapsulation;
+ uint64_t errors_total_encap_adjust_failed;
+ uint64_t errors_total_encap_buffer_too_small;
+ uint64_t errors_total_redirect_loop;
+} metrics_t;
+
+typedef enum {
+ INVALID = 0,
+ UNKNOWN,
+ ECHO_REQUEST,
+ SYN,
+ SYN_COOKIE,
+ ESTABLISHED,
+} verdict_t;
+
+typedef struct {
+ uint16_t src, dst;
+} flow_ports_t;
+
+_Static_assert(
+ sizeof(flow_ports_t) !=
+ offsetofend(struct bpf_sock_tuple, ipv4.dport) -
+ offsetof(struct bpf_sock_tuple, ipv4.sport) - 1,
+ "flow_ports_t must match sport and dport in struct bpf_sock_tuple");
+_Static_assert(
+ sizeof(flow_ports_t) !=
+ offsetofend(struct bpf_sock_tuple, ipv6.dport) -
+ offsetof(struct bpf_sock_tuple, ipv6.sport) - 1,
+ "flow_ports_t must match sport and dport in struct bpf_sock_tuple");
+
+typedef int ret_t;
+
+/* This is a bit of a hack. We need a return value which allows us to
+ * indicate that the regular flow of the program should continue,
+ * while allowing functions to use XDP_PASS and XDP_DROP, etc.
+ */
+static const ret_t CONTINUE_PROCESSING = -1;
+
+/* Convenience macro to call functions which return ret_t.
+ */
+#define MAYBE_RETURN(x) \
+ do { \
+ ret_t __ret = x; \
+ if (__ret != CONTINUE_PROCESSING) \
+ return __ret; \
+ } while (0)
+
+/* Linux packet pointers are either aligned to NET_IP_ALIGN (aka 2 bytes),
+ * or not aligned if the arch supports efficient unaligned access.
+ *
+ * Since the verifier ensures that eBPF packet accesses follow these rules,
+ * we can tell LLVM to emit code as if we always had a larger alignment.
+ * It will yell at us if we end up on a platform where this is not valid.
+ */
+typedef uint8_t *net_ptr __attribute__((align_value(8)));
+
+typedef struct buf {
+ struct __sk_buff *skb;
+ net_ptr head;
+ /* NB: tail musn't have alignment other than 1, otherwise
+ * LLVM will go and eliminate code, e.g. when checking packet lengths.
+ */
+ uint8_t *const tail;
+} buf_t;
+
+static size_t buf_off(const buf_t *buf)
+{
+ /* Clang seems to optimize constructs like
+ * a - b + c
+ * if c is known:
+ * r? = c
+ * r? -= b
+ * r? += a
+ *
+ * This is a problem if a and b are packet pointers,
+ * since the verifier allows subtracting two pointers to
+ * get a scalar, but not a scalar and a pointer.
+ *
+ * Use inline asm to break this optimization.
+ */
+ size_t off = (size_t)buf->head;
+ asm("%0 -= %1" : "+r"(off) : "r"(buf->skb->data));
+ return off;
+}
+
+static bool buf_copy(buf_t *buf, void *dst, size_t len)
+{
+ if (bpf_skb_load_bytes(buf->skb, buf_off(buf), dst, len)) {
+ return false;
+ }
+
+ buf->head += len;
+ return true;
+}
+
+static bool buf_skip(buf_t *buf, const size_t len)
+{
+ /* Check whether off + len is valid in the non-linear part. */
+ if (buf_off(buf) + len > buf->skb->len) {
+ return false;
+ }
+
+ buf->head += len;
+ return true;
+}
+
+/* Returns a pointer to the start of buf, or NULL if len is
+ * larger than the remaining data. Consumes len bytes on a successful
+ * call.
+ *
+ * If scratch is not NULL, the function will attempt to load non-linear
+ * data via bpf_skb_load_bytes. On success, scratch is returned.
+ */
+static void *buf_assign(buf_t *buf, const size_t len, void *scratch)
+{
+ if (buf->head + len > buf->tail) {
+ if (scratch == NULL) {
+ return NULL;
+ }
+
+ return buf_copy(buf, scratch, len) ? scratch : NULL;
+ }
+
+ void *ptr = buf->head;
+ buf->head += len;
+ return ptr;
+}
+
+static bool pkt_skip_ipv4_options(buf_t *buf, const struct iphdr *ipv4)
+{
+ if (ipv4->ihl <= 5) {
+ return true;
+ }
+
+ return buf_skip(buf, (ipv4->ihl - 5) * 4);
+}
+
+static bool ipv4_is_fragment(const struct iphdr *ip)
+{
+ uint16_t frag_off = ip->frag_off & bpf_htons(IP_OFFSET_MASK);
+ return (ip->frag_off & bpf_htons(IP_MF)) != 0 || frag_off > 0;
+}
+
+static struct iphdr *pkt_parse_ipv4(buf_t *pkt, struct iphdr *scratch)
+{
+ struct iphdr *ipv4 = buf_assign(pkt, sizeof(*ipv4), scratch);
+ if (ipv4 == NULL) {
+ return NULL;
+ }
+
+ if (ipv4->ihl < 5) {
+ return NULL;
+ }
+
+ if (!pkt_skip_ipv4_options(pkt, ipv4)) {
+ return NULL;
+ }
+
+ return ipv4;
+}
+
+/* Parse the L4 ports from a packet, assuming a layout like TCP or UDP. */
+static bool pkt_parse_icmp_l4_ports(buf_t *pkt, flow_ports_t *ports)
+{
+ if (!buf_copy(pkt, ports, sizeof(*ports))) {
+ return false;
+ }
+
+ /* Ports in the L4 headers are reversed, since we are parsing an ICMP
+ * payload which is going towards the eyeball.
+ */
+ uint16_t dst = ports->src;
+ ports->src = ports->dst;
+ ports->dst = dst;
+ return true;
+}
+
+static uint16_t pkt_checksum_fold(uint32_t csum)
+{
+ /* The highest reasonable value for an IPv4 header
+ * checksum requires two folds, so we just do that always.
+ */
+ csum = (csum & 0xffff) + (csum >> 16);
+ csum = (csum & 0xffff) + (csum >> 16);
+ return (uint16_t)~csum;
+}
+
+static void pkt_ipv4_checksum(struct iphdr *iph)
+{
+ iph->check = 0;
+
+ /* An IP header without options is 20 bytes. Two of those
+ * are the checksum, which we always set to zero. Hence,
+ * the maximum accumulated value is 18 / 2 * 0xffff = 0x8fff7,
+ * which fits in 32 bit.
+ */
+ _Static_assert(sizeof(struct iphdr) == 20, "iphdr must be 20 bytes");
+ uint32_t acc = 0;
+ uint16_t *ipw = (uint16_t *)iph;
+
+#pragma clang loop unroll(full)
+ for (size_t i = 0; i < sizeof(struct iphdr) / 2; i++) {
+ acc += ipw[i];
+ }
+
+ iph->check = pkt_checksum_fold(acc);
+}
+
+static bool pkt_skip_ipv6_extension_headers(buf_t *pkt,
+ const struct ipv6hdr *ipv6,
+ uint8_t *upper_proto,
+ bool *is_fragment)
+{
+ /* We understand five extension headers.
+ * https://tools.ietf.org/html/rfc8200#section-4.1 states that all
+ * headers should occur once, except Destination Options, which may
+ * occur twice. Hence we give up after 6 headers.
+ */
+ struct {
+ uint8_t next;
+ uint8_t len;
+ } exthdr = {
+ .next = ipv6->nexthdr,
+ };
+ *is_fragment = false;
+
+#pragma clang loop unroll(full)
+ for (int i = 0; i < 6; i++) {
+ switch (exthdr.next) {
+ case IPPROTO_FRAGMENT:
+ *is_fragment = true;
+ /* NB: We don't check that hdrlen == 0 as per spec. */
+ /* fallthrough; */
+
+ case IPPROTO_HOPOPTS:
+ case IPPROTO_ROUTING:
+ case IPPROTO_DSTOPTS:
+ case IPPROTO_MH:
+ if (!buf_copy(pkt, &exthdr, sizeof(exthdr))) {
+ return false;
+ }
+
+ /* hdrlen is in 8-octet units, and excludes the first 8 octets. */
+ if (!buf_skip(pkt,
+ (exthdr.len + 1) * 8 - sizeof(exthdr))) {
+ return false;
+ }
+
+ /* Decode next header */
+ break;
+
+ default:
+ /* The next header is not one of the known extension
+ * headers, treat it as the upper layer header.
+ *
+ * This handles IPPROTO_NONE.
+ *
+ * Encapsulating Security Payload (50) and Authentication
+ * Header (51) also end up here (and will trigger an
+ * unknown proto error later). They have a custom header
+ * format and seem too esoteric to care about.
+ */
+ *upper_proto = exthdr.next;
+ return true;
+ }
+ }
+
+ /* We never found an upper layer header. */
+ return false;
+}
+
+/* This function has to be inlined, because the verifier otherwise rejects it
+ * due to returning a pointer to the stack. This is technically correct, since
+ * scratch is allocated on the stack. However, this usage should be safe since
+ * it's the callers stack after all.
+ */
+static inline __attribute__((__always_inline__)) struct ipv6hdr *
+pkt_parse_ipv6(buf_t *pkt, struct ipv6hdr *scratch, uint8_t *proto,
+ bool *is_fragment)
+{
+ struct ipv6hdr *ipv6 = buf_assign(pkt, sizeof(*ipv6), scratch);
+ if (ipv6 == NULL) {
+ return NULL;
+ }
+
+ if (!pkt_skip_ipv6_extension_headers(pkt, ipv6, proto, is_fragment)) {
+ return NULL;
+ }
+
+ return ipv6;
+}
+
+/* Global metrics, per CPU
+ */
+struct bpf_map_def metrics_map SEC("maps") = {
+ .type = BPF_MAP_TYPE_PERCPU_ARRAY,
+ .key_size = sizeof(unsigned int),
+ .value_size = sizeof(metrics_t),
+ .max_entries = 1,
+};
+
+static metrics_t *get_global_metrics(void)
+{
+ uint64_t key = 0;
+ return bpf_map_lookup_elem(&metrics_map, &key);
+}
+
+static ret_t accept_locally(struct __sk_buff *skb, encap_headers_t *encap)
+{
+ const int payload_off =
+ sizeof(*encap) +
+ sizeof(struct in_addr) * encap->unigue.hop_count;
+ int32_t encap_overhead = payload_off - sizeof(struct ethhdr);
+
+ // Changing the ethertype if the encapsulated packet is ipv6
+ if (encap->gue.proto_ctype == IPPROTO_IPV6) {
+ encap->eth.h_proto = bpf_htons(ETH_P_IPV6);
+ }
+
+ if (bpf_skb_adjust_room(skb, -encap_overhead, BPF_ADJ_ROOM_MAC,
+ BPF_F_ADJ_ROOM_FIXED_GSO |
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET) ||
+ bpf_csum_level(skb, BPF_CSUM_LEVEL_DEC))
+ return TC_ACT_SHOT;
+
+ return bpf_redirect(skb->ifindex, BPF_F_INGRESS);
+}
+
+static ret_t forward_with_gre(struct __sk_buff *skb, encap_headers_t *encap,
+ struct in_addr *next_hop, metrics_t *metrics)
+{
+ metrics->forwarded_packets_total_gre++;
+
+ const int payload_off =
+ sizeof(*encap) +
+ sizeof(struct in_addr) * encap->unigue.hop_count;
+ int32_t encap_overhead =
+ payload_off - sizeof(struct ethhdr) - sizeof(struct iphdr);
+ int32_t delta = sizeof(struct gre_base_hdr) - encap_overhead;
+ uint16_t proto = ETH_P_IP;
+
+ /* Loop protection: the inner packet's TTL is decremented as a safeguard
+ * against any forwarding loop. As the only interesting field is the TTL
+ * hop limit for IPv6, it is easier to use bpf_skb_load_bytes/bpf_skb_store_bytes
+ * as they handle the split packets if needed (no need for the data to be
+ * in the linear section).
+ */
+ if (encap->gue.proto_ctype == IPPROTO_IPV6) {
+ proto = ETH_P_IPV6;
+ uint8_t ttl;
+ int rc;
+
+ rc = bpf_skb_load_bytes(
+ skb, payload_off + offsetof(struct ipv6hdr, hop_limit),
+ &ttl, 1);
+ if (rc != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (ttl == 0) {
+ metrics->errors_total_redirect_loop++;
+ return TC_ACT_SHOT;
+ }
+
+ ttl--;
+ rc = bpf_skb_store_bytes(
+ skb, payload_off + offsetof(struct ipv6hdr, hop_limit),
+ &ttl, 1, 0);
+ if (rc != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+ } else {
+ uint8_t ttl;
+ int rc;
+
+ rc = bpf_skb_load_bytes(
+ skb, payload_off + offsetof(struct iphdr, ttl), &ttl,
+ 1);
+ if (rc != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (ttl == 0) {
+ metrics->errors_total_redirect_loop++;
+ return TC_ACT_SHOT;
+ }
+
+ /* IPv4 also has a checksum to patch. While the TTL is only one byte,
+ * this function only works for 2 and 4 bytes arguments (the result is
+ * the same).
+ */
+ rc = bpf_l3_csum_replace(
+ skb, payload_off + offsetof(struct iphdr, check), ttl,
+ ttl - 1, 2);
+ if (rc != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ ttl--;
+ rc = bpf_skb_store_bytes(
+ skb, payload_off + offsetof(struct iphdr, ttl), &ttl, 1,
+ 0);
+ if (rc != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+ }
+
+ if (bpf_skb_adjust_room(skb, delta, BPF_ADJ_ROOM_NET,
+ BPF_F_ADJ_ROOM_FIXED_GSO |
+ BPF_F_ADJ_ROOM_NO_CSUM_RESET) ||
+ bpf_csum_level(skb, BPF_CSUM_LEVEL_INC)) {
+ metrics->errors_total_encap_adjust_failed++;
+ return TC_ACT_SHOT;
+ }
+
+ if (bpf_skb_pull_data(skb, sizeof(encap_gre_t))) {
+ metrics->errors_total_encap_buffer_too_small++;
+ return TC_ACT_SHOT;
+ }
+
+ buf_t pkt = {
+ .skb = skb,
+ .head = (uint8_t *)(long)skb->data,
+ .tail = (uint8_t *)(long)skb->data_end,
+ };
+
+ encap_gre_t *encap_gre = buf_assign(&pkt, sizeof(encap_gre_t), NULL);
+ if (encap_gre == NULL) {
+ metrics->errors_total_encap_buffer_too_small++;
+ return TC_ACT_SHOT;
+ }
+
+ encap_gre->ip.protocol = IPPROTO_GRE;
+ encap_gre->ip.daddr = next_hop->s_addr;
+ encap_gre->ip.saddr = ENCAPSULATION_IP;
+ encap_gre->ip.tot_len =
+ bpf_htons(bpf_ntohs(encap_gre->ip.tot_len) + delta);
+ encap_gre->gre.flags = 0;
+ encap_gre->gre.protocol = bpf_htons(proto);
+ pkt_ipv4_checksum((void *)&encap_gre->ip);
+
+ return bpf_redirect(skb->ifindex, 0);
+}
+
+static ret_t forward_to_next_hop(struct __sk_buff *skb, encap_headers_t *encap,
+ struct in_addr *next_hop, metrics_t *metrics)
+{
+ /* swap L2 addresses */
+ /* This assumes that packets are received from a router.
+ * So just swapping the MAC addresses here will make the packet go back to
+ * the router, which will send it to the appropriate machine.
+ */
+ unsigned char temp[ETH_ALEN];
+ memcpy(temp, encap->eth.h_dest, sizeof(temp));
+ memcpy(encap->eth.h_dest, encap->eth.h_source,
+ sizeof(encap->eth.h_dest));
+ memcpy(encap->eth.h_source, temp, sizeof(encap->eth.h_source));
+
+ if (encap->unigue.next_hop == encap->unigue.hop_count - 1 &&
+ encap->unigue.last_hop_gre) {
+ return forward_with_gre(skb, encap, next_hop, metrics);
+ }
+
+ metrics->forwarded_packets_total_gue++;
+ uint32_t old_saddr = encap->ip.saddr;
+ encap->ip.saddr = encap->ip.daddr;
+ encap->ip.daddr = next_hop->s_addr;
+ if (encap->unigue.next_hop < encap->unigue.hop_count) {
+ encap->unigue.next_hop++;
+ }
+
+ /* Remove ip->saddr, add next_hop->s_addr */
+ const uint64_t off = offsetof(typeof(*encap), ip.check);
+ int ret = bpf_l3_csum_replace(skb, off, old_saddr, next_hop->s_addr, 4);
+ if (ret < 0) {
+ return TC_ACT_SHOT;
+ }
+
+ return bpf_redirect(skb->ifindex, 0);
+}
+
+static ret_t skip_next_hops(buf_t *pkt, int n)
+{
+ switch (n) {
+ case 1:
+ if (!buf_skip(pkt, sizeof(struct in_addr)))
+ return TC_ACT_SHOT;
+ case 0:
+ return CONTINUE_PROCESSING;
+
+ default:
+ return TC_ACT_SHOT;
+ }
+}
+
+/* Get the next hop from the GLB header.
+ *
+ * Sets next_hop->s_addr to 0 if there are no more hops left.
+ * pkt is positioned just after the variable length GLB header
+ * iff the call is successful.
+ */
+static ret_t get_next_hop(buf_t *pkt, encap_headers_t *encap,
+ struct in_addr *next_hop)
+{
+ if (encap->unigue.next_hop > encap->unigue.hop_count) {
+ return TC_ACT_SHOT;
+ }
+
+ /* Skip "used" next hops. */
+ MAYBE_RETURN(skip_next_hops(pkt, encap->unigue.next_hop));
+
+ if (encap->unigue.next_hop == encap->unigue.hop_count) {
+ /* No more next hops, we are at the end of the GLB header. */
+ next_hop->s_addr = 0;
+ return CONTINUE_PROCESSING;
+ }
+
+ if (!buf_copy(pkt, next_hop, sizeof(*next_hop))) {
+ return TC_ACT_SHOT;
+ }
+
+ /* Skip the remainig next hops (may be zero). */
+ return skip_next_hops(pkt, encap->unigue.hop_count -
+ encap->unigue.next_hop - 1);
+}
+
+/* Fill a bpf_sock_tuple to be used with the socket lookup functions.
+ * This is a kludge that let's us work around verifier limitations:
+ *
+ * fill_tuple(&t, foo, sizeof(struct iphdr), 123, 321)
+ *
+ * clang will substitue a costant for sizeof, which allows the verifier
+ * to track it's value. Based on this, it can figure out the constant
+ * return value, and calling code works while still being "generic" to
+ * IPv4 and IPv6.
+ */
+static uint64_t fill_tuple(struct bpf_sock_tuple *tuple, void *iph,
+ uint64_t iphlen, uint16_t sport, uint16_t dport)
+{
+ switch (iphlen) {
+ case sizeof(struct iphdr): {
+ struct iphdr *ipv4 = (struct iphdr *)iph;
+ tuple->ipv4.daddr = ipv4->daddr;
+ tuple->ipv4.saddr = ipv4->saddr;
+ tuple->ipv4.sport = sport;
+ tuple->ipv4.dport = dport;
+ return sizeof(tuple->ipv4);
+ }
+
+ case sizeof(struct ipv6hdr): {
+ struct ipv6hdr *ipv6 = (struct ipv6hdr *)iph;
+ memcpy(&tuple->ipv6.daddr, &ipv6->daddr,
+ sizeof(tuple->ipv6.daddr));
+ memcpy(&tuple->ipv6.saddr, &ipv6->saddr,
+ sizeof(tuple->ipv6.saddr));
+ tuple->ipv6.sport = sport;
+ tuple->ipv6.dport = dport;
+ return sizeof(tuple->ipv6);
+ }
+
+ default:
+ return 0;
+ }
+}
+
+static verdict_t classify_tcp(struct __sk_buff *skb,
+ struct bpf_sock_tuple *tuple, uint64_t tuplen,
+ void *iph, struct tcphdr *tcp)
+{
+ struct bpf_sock *sk =
+ bpf_skc_lookup_tcp(skb, tuple, tuplen, BPF_F_CURRENT_NETNS, 0);
+ if (sk == NULL) {
+ return UNKNOWN;
+ }
+
+ if (sk->state != BPF_TCP_LISTEN) {
+ bpf_sk_release(sk);
+ return ESTABLISHED;
+ }
+
+ if (iph != NULL && tcp != NULL) {
+ /* Kludge: we've run out of arguments, but need the length of the ip header. */
+ uint64_t iphlen = sizeof(struct iphdr);
+ if (tuplen == sizeof(tuple->ipv6)) {
+ iphlen = sizeof(struct ipv6hdr);
+ }
+
+ if (bpf_tcp_check_syncookie(sk, iph, iphlen, tcp,
+ sizeof(*tcp)) == 0) {
+ bpf_sk_release(sk);
+ return SYN_COOKIE;
+ }
+ }
+
+ bpf_sk_release(sk);
+ return UNKNOWN;
+}
+
+static verdict_t classify_udp(struct __sk_buff *skb,
+ struct bpf_sock_tuple *tuple, uint64_t tuplen)
+{
+ struct bpf_sock *sk =
+ bpf_sk_lookup_udp(skb, tuple, tuplen, BPF_F_CURRENT_NETNS, 0);
+ if (sk == NULL) {
+ return UNKNOWN;
+ }
+
+ if (sk->state == BPF_TCP_ESTABLISHED) {
+ bpf_sk_release(sk);
+ return ESTABLISHED;
+ }
+
+ bpf_sk_release(sk);
+ return UNKNOWN;
+}
+
+static verdict_t classify_icmp(struct __sk_buff *skb, uint8_t proto,
+ struct bpf_sock_tuple *tuple, uint64_t tuplen,
+ metrics_t *metrics)
+{
+ switch (proto) {
+ case IPPROTO_TCP:
+ return classify_tcp(skb, tuple, tuplen, NULL, NULL);
+
+ case IPPROTO_UDP:
+ return classify_udp(skb, tuple, tuplen);
+
+ default:
+ metrics->errors_total_malformed_icmp++;
+ return INVALID;
+ }
+}
+
+static verdict_t process_icmpv4(buf_t *pkt, metrics_t *metrics)
+{
+ struct icmphdr icmp;
+ if (!buf_copy(pkt, &icmp, sizeof(icmp))) {
+ metrics->errors_total_malformed_icmp++;
+ return INVALID;
+ }
+
+ /* We should never receive encapsulated echo replies. */
+ if (icmp.type == ICMP_ECHOREPLY) {
+ metrics->errors_total_icmp_echo_replies++;
+ return INVALID;
+ }
+
+ if (icmp.type == ICMP_ECHO) {
+ return ECHO_REQUEST;
+ }
+
+ if (icmp.type != ICMP_DEST_UNREACH || icmp.code != ICMP_FRAG_NEEDED) {
+ metrics->errors_total_unwanted_icmp++;
+ return INVALID;
+ }
+
+ struct iphdr _ip4;
+ const struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4);
+ if (ipv4 == NULL) {
+ metrics->errors_total_malformed_icmp_pkt_too_big++;
+ return INVALID;
+ }
+
+ /* The source address in the outer IP header is from the entity that
+ * originated the ICMP message. Use the original IP header to restore
+ * the correct flow tuple.
+ */
+ struct bpf_sock_tuple tuple;
+ tuple.ipv4.saddr = ipv4->daddr;
+ tuple.ipv4.daddr = ipv4->saddr;
+
+ if (!pkt_parse_icmp_l4_ports(pkt, (flow_ports_t *)&tuple.ipv4.sport)) {
+ metrics->errors_total_malformed_icmp_pkt_too_big++;
+ return INVALID;
+ }
+
+ return classify_icmp(pkt->skb, ipv4->protocol, &tuple,
+ sizeof(tuple.ipv4), metrics);
+}
+
+static verdict_t process_icmpv6(buf_t *pkt, metrics_t *metrics)
+{
+ struct icmp6hdr icmp6;
+ if (!buf_copy(pkt, &icmp6, sizeof(icmp6))) {
+ metrics->errors_total_malformed_icmp++;
+ return INVALID;
+ }
+
+ /* We should never receive encapsulated echo replies. */
+ if (icmp6.icmp6_type == ICMPV6_ECHO_REPLY) {
+ metrics->errors_total_icmp_echo_replies++;
+ return INVALID;
+ }
+
+ if (icmp6.icmp6_type == ICMPV6_ECHO_REQUEST) {
+ return ECHO_REQUEST;
+ }
+
+ if (icmp6.icmp6_type != ICMPV6_PKT_TOOBIG) {
+ metrics->errors_total_unwanted_icmp++;
+ return INVALID;
+ }
+
+ bool is_fragment;
+ uint8_t l4_proto;
+ struct ipv6hdr _ipv6;
+ const struct ipv6hdr *ipv6 =
+ pkt_parse_ipv6(pkt, &_ipv6, &l4_proto, &is_fragment);
+ if (ipv6 == NULL) {
+ metrics->errors_total_malformed_icmp_pkt_too_big++;
+ return INVALID;
+ }
+
+ if (is_fragment) {
+ metrics->errors_total_fragmented_ip++;
+ return INVALID;
+ }
+
+ /* Swap source and dest addresses. */
+ struct bpf_sock_tuple tuple;
+ memcpy(&tuple.ipv6.saddr, &ipv6->daddr, sizeof(tuple.ipv6.saddr));
+ memcpy(&tuple.ipv6.daddr, &ipv6->saddr, sizeof(tuple.ipv6.daddr));
+
+ if (!pkt_parse_icmp_l4_ports(pkt, (flow_ports_t *)&tuple.ipv6.sport)) {
+ metrics->errors_total_malformed_icmp_pkt_too_big++;
+ return INVALID;
+ }
+
+ return classify_icmp(pkt->skb, l4_proto, &tuple, sizeof(tuple.ipv6),
+ metrics);
+}
+
+static verdict_t process_tcp(buf_t *pkt, void *iph, uint64_t iphlen,
+ metrics_t *metrics)
+{
+ metrics->l4_protocol_packets_total_tcp++;
+
+ struct tcphdr _tcp;
+ struct tcphdr *tcp = buf_assign(pkt, sizeof(_tcp), &_tcp);
+ if (tcp == NULL) {
+ metrics->errors_total_malformed_tcp++;
+ return INVALID;
+ }
+
+ if (tcp->syn) {
+ return SYN;
+ }
+
+ struct bpf_sock_tuple tuple;
+ uint64_t tuplen =
+ fill_tuple(&tuple, iph, iphlen, tcp->source, tcp->dest);
+ return classify_tcp(pkt->skb, &tuple, tuplen, iph, tcp);
+}
+
+static verdict_t process_udp(buf_t *pkt, void *iph, uint64_t iphlen,
+ metrics_t *metrics)
+{
+ metrics->l4_protocol_packets_total_udp++;
+
+ struct udphdr _udp;
+ struct udphdr *udph = buf_assign(pkt, sizeof(_udp), &_udp);
+ if (udph == NULL) {
+ metrics->errors_total_malformed_udp++;
+ return INVALID;
+ }
+
+ struct bpf_sock_tuple tuple;
+ uint64_t tuplen =
+ fill_tuple(&tuple, iph, iphlen, udph->source, udph->dest);
+ return classify_udp(pkt->skb, &tuple, tuplen);
+}
+
+static verdict_t process_ipv4(buf_t *pkt, metrics_t *metrics)
+{
+ metrics->l3_protocol_packets_total_ipv4++;
+
+ struct iphdr _ip4;
+ struct iphdr *ipv4 = pkt_parse_ipv4(pkt, &_ip4);
+ if (ipv4 == NULL) {
+ metrics->errors_total_malformed_ip++;
+ return INVALID;
+ }
+
+ if (ipv4->version != 4) {
+ metrics->errors_total_malformed_ip++;
+ return INVALID;
+ }
+
+ if (ipv4_is_fragment(ipv4)) {
+ metrics->errors_total_fragmented_ip++;
+ return INVALID;
+ }
+
+ switch (ipv4->protocol) {
+ case IPPROTO_ICMP:
+ return process_icmpv4(pkt, metrics);
+
+ case IPPROTO_TCP:
+ return process_tcp(pkt, ipv4, sizeof(*ipv4), metrics);
+
+ case IPPROTO_UDP:
+ return process_udp(pkt, ipv4, sizeof(*ipv4), metrics);
+
+ default:
+ metrics->errors_total_unknown_l4_proto++;
+ return INVALID;
+ }
+}
+
+static verdict_t process_ipv6(buf_t *pkt, metrics_t *metrics)
+{
+ metrics->l3_protocol_packets_total_ipv6++;
+
+ uint8_t l4_proto;
+ bool is_fragment;
+ struct ipv6hdr _ipv6;
+ struct ipv6hdr *ipv6 =
+ pkt_parse_ipv6(pkt, &_ipv6, &l4_proto, &is_fragment);
+ if (ipv6 == NULL) {
+ metrics->errors_total_malformed_ip++;
+ return INVALID;
+ }
+
+ if (ipv6->version != 6) {
+ metrics->errors_total_malformed_ip++;
+ return INVALID;
+ }
+
+ if (is_fragment) {
+ metrics->errors_total_fragmented_ip++;
+ return INVALID;
+ }
+
+ switch (l4_proto) {
+ case IPPROTO_ICMPV6:
+ return process_icmpv6(pkt, metrics);
+
+ case IPPROTO_TCP:
+ return process_tcp(pkt, ipv6, sizeof(*ipv6), metrics);
+
+ case IPPROTO_UDP:
+ return process_udp(pkt, ipv6, sizeof(*ipv6), metrics);
+
+ default:
+ metrics->errors_total_unknown_l4_proto++;
+ return INVALID;
+ }
+}
+
+SEC("classifier/cls_redirect")
+int cls_redirect(struct __sk_buff *skb)
+{
+ metrics_t *metrics = get_global_metrics();
+ if (metrics == NULL) {
+ return TC_ACT_SHOT;
+ }
+
+ metrics->processed_packets_total++;
+
+ /* Pass bogus packets as long as we're not sure they're
+ * destined for us.
+ */
+ if (skb->protocol != bpf_htons(ETH_P_IP)) {
+ return TC_ACT_OK;
+ }
+
+ encap_headers_t *encap;
+
+ /* Make sure that all encapsulation headers are available in
+ * the linear portion of the skb. This makes it easy to manipulate them.
+ */
+ if (bpf_skb_pull_data(skb, sizeof(*encap))) {
+ return TC_ACT_OK;
+ }
+
+ buf_t pkt = {
+ .skb = skb,
+ .head = (uint8_t *)(long)skb->data,
+ .tail = (uint8_t *)(long)skb->data_end,
+ };
+
+ encap = buf_assign(&pkt, sizeof(*encap), NULL);
+ if (encap == NULL) {
+ return TC_ACT_OK;
+ }
+
+ if (encap->ip.ihl != 5) {
+ /* We never have any options. */
+ return TC_ACT_OK;
+ }
+
+ if (encap->ip.daddr != ENCAPSULATION_IP ||
+ encap->ip.protocol != IPPROTO_UDP) {
+ return TC_ACT_OK;
+ }
+
+ /* TODO Check UDP length? */
+ if (encap->udp.dest != ENCAPSULATION_PORT) {
+ return TC_ACT_OK;
+ }
+
+ /* We now know that the packet is destined to us, we can
+ * drop bogus ones.
+ */
+ if (ipv4_is_fragment((void *)&encap->ip)) {
+ metrics->errors_total_fragmented_ip++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->gue.variant != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->gue.control != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->gue.flags != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->gue.hlen !=
+ sizeof(encap->unigue) / 4 + encap->unigue.hop_count) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->unigue.version != 0) {
+ metrics->errors_total_malformed_encapsulation++;
+ return TC_ACT_SHOT;
+ }
+
+ if (encap->unigue.reserved != 0) {
+ return TC_ACT_SHOT;
+ }
+
+ struct in_addr next_hop;
+ MAYBE_RETURN(get_next_hop(&pkt, encap, &next_hop));
+
+ if (next_hop.s_addr == 0) {
+ metrics->accepted_packets_total_last_hop++;
+ return accept_locally(skb, encap);
+ }
+
+ verdict_t verdict;
+ switch (encap->gue.proto_ctype) {
+ case IPPROTO_IPIP:
+ verdict = process_ipv4(&pkt, metrics);
+ break;
+
+ case IPPROTO_IPV6:
+ verdict = process_ipv6(&pkt, metrics);
+ break;
+
+ default:
+ metrics->errors_total_unknown_l3_proto++;
+ return TC_ACT_SHOT;
+ }
+
+ switch (verdict) {
+ case INVALID:
+ /* metrics have already been bumped */
+ return TC_ACT_SHOT;
+
+ case UNKNOWN:
+ return forward_to_next_hop(skb, encap, &next_hop, metrics);
+
+ case ECHO_REQUEST:
+ metrics->accepted_packets_total_icmp_echo_request++;
+ break;
+
+ case SYN:
+ if (encap->unigue.forward_syn) {
+ return forward_to_next_hop(skb, encap, &next_hop,
+ metrics);
+ }
+
+ metrics->accepted_packets_total_syn++;
+ break;
+
+ case SYN_COOKIE:
+ metrics->accepted_packets_total_syn_cookies++;
+ break;
+
+ case ESTABLISHED:
+ metrics->accepted_packets_total_established++;
+ break;
+ }
+
+ return accept_locally(skb, encap);
+}
diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect.h b/tools/testing/selftests/bpf/progs/test_cls_redirect.h
new file mode 100644
index 000000000000..76eab0aacba0
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_cls_redirect.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* Copyright 2019, 2020 Cloudflare */
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <linux/if_ether.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/udp.h>
+
+struct gre_base_hdr {
+ uint16_t flags;
+ uint16_t protocol;
+} __attribute__((packed));
+
+struct guehdr {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+ uint8_t hlen : 5, control : 1, variant : 2;
+#else
+ uint8_t variant : 2, control : 1, hlen : 5;
+#endif
+ uint8_t proto_ctype;
+ uint16_t flags;
+};
+
+struct unigue {
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+ uint8_t _r : 2, last_hop_gre : 1, forward_syn : 1, version : 4;
+#else
+ uint8_t version : 4, forward_syn : 1, last_hop_gre : 1, _r : 2;
+#endif
+ uint8_t reserved;
+ uint8_t next_hop;
+ uint8_t hop_count;
+ // Next hops go here
+} __attribute__((packed));
+
+typedef struct {
+ struct ethhdr eth;
+ struct iphdr ip;
+ struct gre_base_hdr gre;
+} __attribute__((packed)) encap_gre_t;
+
+typedef struct {
+ struct ethhdr eth;
+ struct iphdr ip;
+ struct udphdr udp;
+ struct guehdr gue;
+ struct unigue unigue;
+} __attribute__((packed)) encap_headers_t;
diff --git a/tools/testing/selftests/bpf/progs/test_enable_stats.c b/tools/testing/selftests/bpf/progs/test_enable_stats.c
new file mode 100644
index 000000000000..01a002ade529
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_enable_stats.c
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <stdint.h>
+#include <linux/types.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+__u64 count = 0;
+
+SEC("raw_tracepoint/sys_enter")
+int test_enable_stats(void *ctx)
+{
+ count += 1;
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_mmap.c b/tools/testing/selftests/bpf/progs/test_mmap.c
index 6239596cd14e..4eb42cff5fe9 100644
--- a/tools/testing/selftests/bpf/progs/test_mmap.c
+++ b/tools/testing/selftests/bpf/progs/test_mmap.c
@@ -9,6 +9,14 @@ char _license[] SEC("license") = "GPL";
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 4096);
+ __uint(map_flags, BPF_F_MMAPABLE | BPF_F_RDONLY_PROG);
+ __type(key, __u32);
+ __type(value, char);
+} rdonly_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 512 * 4); /* at least 4 pages of data */
__uint(map_flags, BPF_F_MMAPABLE);
__type(key, __u32);
diff --git a/tools/testing/selftests/bpf/progs/test_obj_id.c b/tools/testing/selftests/bpf/progs/test_obj_id.c
index 98b9de2fafd0..ded71b3ff6b4 100644
--- a/tools/testing/selftests/bpf/progs/test_obj_id.c
+++ b/tools/testing/selftests/bpf/progs/test_obj_id.c
@@ -3,16 +3,8 @@
*/
#include <stddef.h>
#include <linux/bpf.h>
-#include <linux/pkt_cls.h>
#include <bpf/bpf_helpers.h>
-/* It is a dumb bpf program such that it must have no
- * issue to be loaded since testing the verifier is
- * not the focus here.
- */
-
-int _version SEC("version") = 1;
-
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
__uint(max_entries, 1);
@@ -20,13 +12,13 @@ struct {
__type(value, __u64);
} test_map_id SEC(".maps");
-SEC("test_obj_id_dummy")
-int test_obj_id(struct __sk_buff *skb)
+SEC("raw_tp/sys_enter")
+int test_obj_id(void *ctx)
{
__u32 key = 0;
__u64 *value;
value = bpf_map_lookup_elem(&test_map_id, &key);
- return TC_ACT_OK;
+ return 0;
}
diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c
index 56a50b25cd33..42403d088abc 100644
--- a/tools/testing/selftests/bpf/progs/test_overhead.c
+++ b/tools/testing/selftests/bpf/progs/test_overhead.c
@@ -30,12 +30,18 @@ int prog3(struct bpf_raw_tracepoint_args *ctx)
SEC("fentry/__set_task_comm")
int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec)
{
- return !tsk;
+ return 0;
}
SEC("fexit/__set_task_comm")
int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec)
{
+ return 0;
+}
+
+SEC("fmod_ret/__set_task_comm")
+int BPF_PROG(prog6, struct task_struct *tsk, const char *buf, bool exec)
+{
return !tsk;
}
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf.c b/tools/testing/selftests/bpf/progs/test_ringbuf.c
new file mode 100644
index 000000000000..8ba9959b036b
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ringbuf.c
@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct sample {
+ int pid;
+ int seq;
+ long value;
+ char comm[16];
+};
+
+struct {
+ __uint(type, BPF_MAP_TYPE_RINGBUF);
+ __uint(max_entries, 1 << 12);
+} ringbuf SEC(".maps");
+
+/* inputs */
+int pid = 0;
+long value = 0;
+long flags = 0;
+
+/* outputs */
+long total = 0;
+long discarded = 0;
+long dropped = 0;
+
+long avail_data = 0;
+long ring_size = 0;
+long cons_pos = 0;
+long prod_pos = 0;
+
+/* inner state */
+long seq = 0;
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int test_ringbuf(void *ctx)
+{
+ int cur_pid = bpf_get_current_pid_tgid() >> 32;
+ struct sample *sample;
+ int zero = 0;
+
+ if (cur_pid != pid)
+ return 0;
+
+ sample = bpf_ringbuf_reserve(&ringbuf, sizeof(*sample), 0);
+ if (!sample) {
+ __sync_fetch_and_add(&dropped, 1);
+ return 1;
+ }
+
+ sample->pid = pid;
+ bpf_get_current_comm(sample->comm, sizeof(sample->comm));
+ sample->value = value;
+
+ sample->seq = seq++;
+ __sync_fetch_and_add(&total, 1);
+
+ if (sample->seq & 1) {
+ /* copy from reserved sample to a new one... */
+ bpf_ringbuf_output(&ringbuf, sample, sizeof(*sample), flags);
+ /* ...and then discard reserved sample */
+ bpf_ringbuf_discard(sample, flags);
+ __sync_fetch_and_add(&discarded, 1);
+ } else {
+ bpf_ringbuf_submit(sample, flags);
+ }
+
+ avail_data = bpf_ringbuf_query(&ringbuf, BPF_RB_AVAIL_DATA);
+ ring_size = bpf_ringbuf_query(&ringbuf, BPF_RB_RING_SIZE);
+ cons_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_CONS_POS);
+ prod_pos = bpf_ringbuf_query(&ringbuf, BPF_RB_PROD_POS);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
new file mode 100644
index 000000000000..edf3b6953533
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_ringbuf_multi.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+char _license[] SEC("license") = "GPL";
+
+struct sample {
+ int pid;
+ int seq;
+ long value;
+ char comm[16];
+};
+
+struct ringbuf_map {
+ __uint(type, BPF_MAP_TYPE_RINGBUF);
+ __uint(max_entries, 1 << 12);
+} ringbuf1 SEC(".maps"),
+ ringbuf2 SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
+ __uint(max_entries, 4);
+ __type(key, int);
+ __array(values, struct ringbuf_map);
+} ringbuf_arr SEC(".maps") = {
+ .values = {
+ [0] = &ringbuf1,
+ [2] = &ringbuf2,
+ },
+};
+
+/* inputs */
+int pid = 0;
+int target_ring = 0;
+long value = 0;
+
+/* outputs */
+long total = 0;
+long dropped = 0;
+long skipped = 0;
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int test_ringbuf(void *ctx)
+{
+ int cur_pid = bpf_get_current_pid_tgid() >> 32;
+ struct sample *sample;
+ void *rb;
+ int zero = 0;
+
+ if (cur_pid != pid)
+ return 0;
+
+ rb = bpf_map_lookup_elem(&ringbuf_arr, &target_ring);
+ if (!rb) {
+ skipped += 1;
+ return 1;
+ }
+
+ sample = bpf_ringbuf_reserve(rb, sizeof(*sample), 0);
+ if (!sample) {
+ dropped += 1;
+ return 1;
+ }
+
+ sample->pid = pid;
+ bpf_get_current_comm(sample->comm, sizeof(sample->comm));
+ sample->value = value;
+
+ sample->seq = total;
+ total += 1;
+
+ bpf_ringbuf_submit(sample, 0);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_sk_assign.c b/tools/testing/selftests/bpf/progs/test_sk_assign.c
index 8f530843b4da..1ecd987005d2 100644
--- a/tools/testing/selftests/bpf/progs/test_sk_assign.c
+++ b/tools/testing/selftests/bpf/progs/test_sk_assign.c
@@ -16,6 +16,26 @@
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_endian.h>
+/* Pin map under /sys/fs/bpf/tc/globals/<map name> */
+#define PIN_GLOBAL_NS 2
+
+/* Must match struct bpf_elf_map layout from iproute2 */
+struct {
+ __u32 type;
+ __u32 size_key;
+ __u32 size_value;
+ __u32 max_elem;
+ __u32 flags;
+ __u32 id;
+ __u32 pinning;
+} server_map SEC("maps") = {
+ .type = BPF_MAP_TYPE_SOCKMAP,
+ .size_key = sizeof(int),
+ .size_value = sizeof(__u64),
+ .max_elem = 1,
+ .pinning = PIN_GLOBAL_NS,
+};
+
int _version SEC("version") = 1;
char _license[] SEC("license") = "GPL";
@@ -72,7 +92,9 @@ handle_udp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
{
struct bpf_sock_tuple ln = {0};
struct bpf_sock *sk;
+ const int zero = 0;
size_t tuple_len;
+ __be16 dport;
int ret;
tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
@@ -83,32 +105,11 @@ handle_udp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
if (sk)
goto assign;
- if (ipv4) {
- if (tuple->ipv4.dport != bpf_htons(4321))
- return TC_ACT_OK;
-
- ln.ipv4.daddr = bpf_htonl(0x7f000001);
- ln.ipv4.dport = bpf_htons(1234);
-
- sk = bpf_sk_lookup_udp(skb, &ln, sizeof(ln.ipv4),
- BPF_F_CURRENT_NETNS, 0);
- } else {
- if (tuple->ipv6.dport != bpf_htons(4321))
- return TC_ACT_OK;
-
- /* Upper parts of daddr are already zero. */
- ln.ipv6.daddr[3] = bpf_htonl(0x1);
- ln.ipv6.dport = bpf_htons(1234);
-
- sk = bpf_sk_lookup_udp(skb, &ln, sizeof(ln.ipv6),
- BPF_F_CURRENT_NETNS, 0);
- }
+ dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport;
+ if (dport != bpf_htons(4321))
+ return TC_ACT_OK;
- /* workaround: We can't do a single socket lookup here, because then
- * the compiler will likely spill tuple_len to the stack. This makes it
- * lose all bounds information in the verifier, which then rejects the
- * call as unsafe.
- */
+ sk = bpf_map_lookup_elem(&server_map, &zero);
if (!sk)
return TC_ACT_SHOT;
@@ -123,7 +124,9 @@ handle_tcp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
{
struct bpf_sock_tuple ln = {0};
struct bpf_sock *sk;
+ const int zero = 0;
size_t tuple_len;
+ __be16 dport;
int ret;
tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
@@ -137,32 +140,11 @@ handle_tcp(struct __sk_buff *skb, struct bpf_sock_tuple *tuple, bool ipv4)
bpf_sk_release(sk);
}
- if (ipv4) {
- if (tuple->ipv4.dport != bpf_htons(4321))
- return TC_ACT_OK;
+ dport = ipv4 ? tuple->ipv4.dport : tuple->ipv6.dport;
+ if (dport != bpf_htons(4321))
+ return TC_ACT_OK;
- ln.ipv4.daddr = bpf_htonl(0x7f000001);
- ln.ipv4.dport = bpf_htons(1234);
-
- sk = bpf_skc_lookup_tcp(skb, &ln, sizeof(ln.ipv4),
- BPF_F_CURRENT_NETNS, 0);
- } else {
- if (tuple->ipv6.dport != bpf_htons(4321))
- return TC_ACT_OK;
-
- /* Upper parts of daddr are already zero. */
- ln.ipv6.daddr[3] = bpf_htonl(0x1);
- ln.ipv6.dport = bpf_htons(1234);
-
- sk = bpf_skc_lookup_tcp(skb, &ln, sizeof(ln.ipv6),
- BPF_F_CURRENT_NETNS, 0);
- }
-
- /* workaround: We can't do a single socket lookup here, because then
- * the compiler will likely spill tuple_len to the stack. This makes it
- * lose all bounds information in the verifier, which then rejects the
- * call as unsafe.
- */
+ sk = bpf_map_lookup_elem(&server_map, &zero);
if (!sk)
return TC_ACT_SHOT;
diff --git a/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
index d2b38fa6a5b0..e83d0b48d80c 100644
--- a/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
+++ b/tools/testing/selftests/bpf/progs/test_sk_lookup_kern.c
@@ -73,6 +73,7 @@ int bpf_sk_lookup_test0(struct __sk_buff *skb)
tuple_len = ipv4 ? sizeof(tuple->ipv4) : sizeof(tuple->ipv6);
sk = bpf_sk_lookup_tcp(skb, tuple, tuple_len, BPF_F_CURRENT_NETNS, 0);
+ bpf_printk("sk=%d\n", sk ? 1 : 0);
if (sk)
bpf_sk_release(sk);
return sk ? TC_ACT_OK : TC_ACT_UNSPEC;
diff --git a/tools/testing/selftests/bpf/progs/test_skb_helpers.c b/tools/testing/selftests/bpf/progs/test_skb_helpers.c
new file mode 100644
index 000000000000..bb3fbf1a29e3
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skb_helpers.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
+
+#define TEST_COMM_LEN 16
+
+struct {
+ __uint(type, BPF_MAP_TYPE_CGROUP_ARRAY);
+ __uint(max_entries, 1);
+ __type(key, u32);
+ __type(value, u32);
+} cgroup_map SEC(".maps");
+
+char _license[] SEC("license") = "GPL";
+
+SEC("classifier/test_skb_helpers")
+int test_skb_helpers(struct __sk_buff *skb)
+{
+ struct task_struct *task;
+ char comm[TEST_COMM_LEN];
+ __u32 tpid;
+
+ task = (struct task_struct *)bpf_get_current_task();
+ bpf_probe_read_kernel(&tpid , sizeof(tpid), &task->tgid);
+ bpf_probe_read_kernel_str(&comm, sizeof(comm), &task->comm);
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c b/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c
new file mode 100644
index 000000000000..45e8fc75a739
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_skmsg_load_helpers.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Isovalent, Inc.
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKMAP);
+ __uint(max_entries, 2);
+ __type(key, __u32);
+ __type(value, __u64);
+} sock_map SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SOCKHASH);
+ __uint(max_entries, 2);
+ __type(key, __u32);
+ __type(value, __u64);
+} sock_hash SEC(".maps");
+
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, __u32);
+ __type(value, __u64);
+} socket_storage SEC(".maps");
+
+SEC("sk_msg")
+int prog_msg_verdict(struct sk_msg_md *msg)
+{
+ struct task_struct *task = (struct task_struct *)bpf_get_current_task();
+ int verdict = SK_PASS;
+ __u32 pid, tpid;
+ __u64 *sk_stg;
+
+ pid = bpf_get_current_pid_tgid() >> 32;
+ sk_stg = bpf_sk_storage_get(&socket_storage, msg->sk, 0, BPF_SK_STORAGE_GET_F_CREATE);
+ if (!sk_stg)
+ return SK_DROP;
+ *sk_stg = pid;
+ bpf_probe_read_kernel(&tpid , sizeof(tpid), &task->tgid);
+ if (pid != tpid)
+ verdict = SK_DROP;
+ bpf_sk_storage_delete(&socket_storage, (void *)msg->sk);
+ return verdict;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/test_sockmap_kern.h b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
index 9b4d3a68a91a..057036ca1111 100644
--- a/tools/testing/selftests/bpf/test_sockmap_kern.h
+++ b/tools/testing/selftests/bpf/progs/test_sockmap_kern.h
@@ -79,11 +79,18 @@ struct {
struct {
__uint(type, BPF_MAP_TYPE_ARRAY);
- __uint(max_entries, 1);
+ __uint(max_entries, 2);
__type(key, int);
__type(value, int);
} sock_skb_opts SEC(".maps");
+struct {
+ __uint(type, TEST_MAP_TYPE);
+ __uint(max_entries, 20);
+ __uint(key_size, sizeof(int));
+ __uint(value_size, sizeof(int));
+} tls_sock_map SEC(".maps");
+
SEC("sk_skb1")
int bpf_prog1(struct __sk_buff *skb)
{
@@ -110,8 +117,6 @@ int bpf_prog2(struct __sk_buff *skb)
flags = *f;
}
- bpf_printk("sk_skb2: redirect(%iB) flags=%i\n",
- len, flags);
#ifdef SOCKMAP
return bpf_sk_redirect_map(skb, &sock_map, ret, flags);
#else
@@ -120,6 +125,43 @@ int bpf_prog2(struct __sk_buff *skb)
}
+SEC("sk_skb3")
+int bpf_prog3(struct __sk_buff *skb)
+{
+ const int one = 1;
+ int err, *f, ret = SK_PASS;
+ void *data_end;
+ char *c;
+
+ err = bpf_skb_pull_data(skb, 19);
+ if (err)
+ goto tls_out;
+
+ c = (char *)(long)skb->data;
+ data_end = (void *)(long)skb->data_end;
+
+ if (c + 18 < data_end)
+ memcpy(&c[13], "PASS", 4);
+ f = bpf_map_lookup_elem(&sock_skb_opts, &one);
+ if (f && *f) {
+ __u64 flags = 0;
+
+ ret = 0;
+ flags = *f;
+#ifdef SOCKMAP
+ return bpf_sk_redirect_map(skb, &tls_sock_map, ret, flags);
+#else
+ return bpf_sk_redirect_hash(skb, &tls_sock_map, &ret, flags);
+#endif
+ }
+
+ f = bpf_map_lookup_elem(&sock_skb_opts, &one);
+ if (f && *f)
+ ret = SK_DROP;
+tls_out:
+ return ret;
+}
+
SEC("sockops")
int bpf_sockmap(struct bpf_sock_ops *skops)
{
@@ -143,8 +185,6 @@ int bpf_sockmap(struct bpf_sock_ops *skops)
err = bpf_sock_hash_update(skops, &sock_map, &ret,
BPF_NOEXIST);
#endif
- bpf_printk("passive(%i -> %i) map ctx update err: %d\n",
- lport, bpf_ntohl(rport), err);
}
break;
case BPF_SOCK_OPS_ACTIVE_ESTABLISHED_CB:
@@ -160,8 +200,6 @@ int bpf_sockmap(struct bpf_sock_ops *skops)
err = bpf_sock_hash_update(skops, &sock_map, &ret,
BPF_NOEXIST);
#endif
- bpf_printk("active(%i -> %i) map ctx update err: %d\n",
- lport, bpf_ntohl(rport), err);
}
break;
default:
@@ -199,72 +237,6 @@ int bpf_prog4(struct sk_msg_md *msg)
}
SEC("sk_msg2")
-int bpf_prog5(struct sk_msg_md *msg)
-{
- int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5;
- int *start, *end, *start_push, *end_push, *start_pop, *pop;
- int *bytes, len1, len2 = 0, len3, len4;
- int err1 = -1, err2 = -1;
-
- bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
- if (bytes)
- err1 = bpf_msg_apply_bytes(msg, *bytes);
- bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
- if (bytes)
- err2 = bpf_msg_cork_bytes(msg, *bytes);
- len1 = (__u64)msg->data_end - (__u64)msg->data;
- start = bpf_map_lookup_elem(&sock_bytes, &zero);
- end = bpf_map_lookup_elem(&sock_bytes, &one);
- if (start && end) {
- int err;
-
- bpf_printk("sk_msg2: pull(%i:%i)\n",
- start ? *start : 0, end ? *end : 0);
- err = bpf_msg_pull_data(msg, *start, *end, 0);
- if (err)
- bpf_printk("sk_msg2: pull_data err %i\n",
- err);
- len2 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg2: length update %i->%i\n",
- len1, len2);
- }
-
- start_push = bpf_map_lookup_elem(&sock_bytes, &two);
- end_push = bpf_map_lookup_elem(&sock_bytes, &three);
- if (start_push && end_push) {
- int err;
-
- bpf_printk("sk_msg2: push(%i:%i)\n",
- start_push ? *start_push : 0,
- end_push ? *end_push : 0);
- err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
- if (err)
- bpf_printk("sk_msg2: push_data err %i\n", err);
- len3 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg2: length push_update %i->%i\n",
- len2 ? len2 : len1, len3);
- }
- start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
- pop = bpf_map_lookup_elem(&sock_bytes, &five);
- if (start_pop && pop) {
- int err;
-
- bpf_printk("sk_msg2: pop(%i@%i)\n",
- start_pop, pop);
- err = bpf_msg_pop_data(msg, *start_pop, *pop, 0);
- if (err)
- bpf_printk("sk_msg2: pop_data err %i\n", err);
- len4 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg2: length pop_data %i->%i\n",
- len1 ? len1 : 0, len4);
- }
-
- bpf_printk("sk_msg2: data length %i err1 %i err2 %i\n",
- len1, err1, err2);
- return SK_PASS;
-}
-
-SEC("sk_msg3")
int bpf_prog6(struct sk_msg_md *msg)
{
int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5, key = 0;
@@ -305,86 +277,7 @@ int bpf_prog6(struct sk_msg_md *msg)
#endif
}
-SEC("sk_msg4")
-int bpf_prog7(struct sk_msg_md *msg)
-{
- int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop, *f;
- int zero = 0, one = 1, two = 2, three = 3, four = 4, five = 5;
- int len1, len2 = 0, len3, len4;
- int err1 = 0, err2 = 0, key = 0;
- __u64 flags = 0;
-
- int err;
- bytes = bpf_map_lookup_elem(&sock_apply_bytes, &zero);
- if (bytes)
- err1 = bpf_msg_apply_bytes(msg, *bytes);
- bytes = bpf_map_lookup_elem(&sock_cork_bytes, &zero);
- if (bytes)
- err2 = bpf_msg_cork_bytes(msg, *bytes);
- len1 = (__u64)msg->data_end - (__u64)msg->data;
-
- start = bpf_map_lookup_elem(&sock_bytes, &zero);
- end = bpf_map_lookup_elem(&sock_bytes, &one);
- if (start && end) {
- bpf_printk("sk_msg2: pull(%i:%i)\n",
- start ? *start : 0, end ? *end : 0);
- err = bpf_msg_pull_data(msg, *start, *end, 0);
- if (err)
- bpf_printk("sk_msg2: pull_data err %i\n",
- err);
- len2 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg2: length update %i->%i\n",
- len1, len2);
- }
-
- start_push = bpf_map_lookup_elem(&sock_bytes, &two);
- end_push = bpf_map_lookup_elem(&sock_bytes, &three);
- if (start_push && end_push) {
- bpf_printk("sk_msg4: push(%i:%i)\n",
- start_push ? *start_push : 0,
- end_push ? *end_push : 0);
- err = bpf_msg_push_data(msg, *start_push, *end_push, 0);
- if (err)
- bpf_printk("sk_msg4: push_data err %i\n",
- err);
- len3 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg4: length push_update %i->%i\n",
- len2 ? len2 : len1, len3);
- }
-
- start_pop = bpf_map_lookup_elem(&sock_bytes, &four);
- pop = bpf_map_lookup_elem(&sock_bytes, &five);
- if (start_pop && pop) {
- int err;
-
- bpf_printk("sk_msg4: pop(%i@%i)\n",
- start_pop, pop);
- err = bpf_msg_pop_data(msg, *start_pop, *pop, 0);
- if (err)
- bpf_printk("sk_msg4: pop_data err %i\n", err);
- len4 = (__u64)msg->data_end - (__u64)msg->data;
- bpf_printk("sk_msg4: length pop_data %i->%i\n",
- len1 ? len1 : 0, len4);
- }
-
-
- f = bpf_map_lookup_elem(&sock_redir_flags, &zero);
- if (f && *f) {
- key = 2;
- flags = *f;
- }
- bpf_printk("sk_msg3: redirect(%iB) flags=%i err=%i\n",
- len1, flags, err1 ? err1 : err2);
-#ifdef SOCKMAP
- err = bpf_msg_redirect_map(msg, &sock_map_redir, key, flags);
-#else
- err = bpf_msg_redirect_hash(msg, &sock_map_redir, &key, flags);
-#endif
- bpf_printk("sk_msg3: err %i\n", err);
- return err;
-}
-
-SEC("sk_msg5")
+SEC("sk_msg3")
int bpf_prog8(struct sk_msg_md *msg)
{
void *data_end = (void *)(long) msg->data_end;
@@ -401,7 +294,7 @@ int bpf_prog8(struct sk_msg_md *msg)
}
return SK_PASS;
}
-SEC("sk_msg6")
+SEC("sk_msg4")
int bpf_prog9(struct sk_msg_md *msg)
{
void *data_end = (void *)(long) msg->data_end;
@@ -419,7 +312,7 @@ int bpf_prog9(struct sk_msg_md *msg)
return SK_PASS;
}
-SEC("sk_msg7")
+SEC("sk_msg5")
int bpf_prog10(struct sk_msg_md *msg)
{
int *bytes, *start, *end, *start_push, *end_push, *start_pop, *pop;
@@ -443,7 +336,6 @@ int bpf_prog10(struct sk_msg_md *msg)
pop = bpf_map_lookup_elem(&sock_bytes, &five);
if (start_pop && pop)
bpf_msg_pop_data(msg, *start_pop, *pop, 0);
- bpf_printk("return sk drop\n");
return SK_DROP;
}
diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
index 2d0b0b82a78a..50525235380e 100644
--- a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
@@ -45,7 +45,7 @@ int sysctl_tcp_mem(struct bpf_sysctl *ctx)
unsigned long tcp_mem[3] = {0, 0, 0};
char value[MAX_VALUE_STR_LEN];
unsigned char i, off = 0;
- int ret;
+ volatile int ret;
if (ctx->write)
return 0;
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c
new file mode 100644
index 000000000000..3d66599eee2e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp_adjust_tail_grow")
+int _xdp_adjust_tail_grow(struct xdp_md *xdp)
+{
+ void *data_end = (void *)(long)xdp->data_end;
+ void *data = (void *)(long)xdp->data;
+ unsigned int data_len;
+ int offset = 0;
+
+ /* Data length determine test case */
+ data_len = data_end - data;
+
+ if (data_len == 54) { /* sizeof(pkt_v4) */
+ offset = 4096; /* test too large offset */
+ } else if (data_len == 74) { /* sizeof(pkt_v6) */
+ offset = 40;
+ } else if (data_len == 64) {
+ offset = 128;
+ } else if (data_len == 128) {
+ offset = 4096 - 256 - 320 - data_len; /* Max tail grow 3520 */
+ } else {
+ return XDP_ABORTED; /* No matching test */
+ }
+
+ if (bpf_xdp_adjust_tail(xdp, offset))
+ return XDP_DROP;
+ return XDP_TX;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_adjust_tail.c b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_shrink.c
index b7fc85769bdc..22065a9cfb25 100644
--- a/tools/testing/selftests/bpf/progs/test_adjust_tail.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_shrink.c
@@ -1,5 +1,5 @@
-/* SPDX-License-Identifier: GPL-2.0
- * Copyright (c) 2018 Facebook
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018 Facebook
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
@@ -11,15 +11,15 @@
int _version SEC("version") = 1;
-SEC("xdp_adjust_tail")
-int _xdp_adjust_tail(struct xdp_md *xdp)
+SEC("xdp_adjust_tail_shrink")
+int _xdp_adjust_tail_shrink(struct xdp_md *xdp)
{
void *data_end = (void *)(long)xdp->data_end;
void *data = (void *)(long)xdp->data;
int offset = 0;
- if (data_end - data == 54)
- offset = 256;
+ if (data_end - data == 54) /* sizeof(pkt_v4) */
+ offset = 256; /* shrink too much */
else
offset = 20;
if (bpf_xdp_adjust_tail(xdp, 0 - offset))
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
new file mode 100644
index 000000000000..e5c0f131c8a7
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0
+/* fails to load without expected_attach_type = BPF_XDP_DEVMAP
+ * because of access to egress_ifindex
+ */
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+SEC("xdp_dm_log")
+int xdpdm_devlog(struct xdp_md *ctx)
+{
+ char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ unsigned int len = data_end - data;
+
+ bpf_trace_printk(fmt, sizeof(fmt),
+ ctx->ingress_ifindex, ctx->egress_ifindex, len);
+
+ return XDP_PASS;
+}
+
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
new file mode 100644
index 000000000000..deef0e050863
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+
+struct {
+ __uint(type, BPF_MAP_TYPE_DEVMAP);
+ __uint(key_size, sizeof(__u32));
+ __uint(value_size, sizeof(struct bpf_devmap_val));
+ __uint(max_entries, 4);
+} dm_ports SEC(".maps");
+
+SEC("xdp_redir")
+int xdp_redir_prog(struct xdp_md *ctx)
+{
+ return bpf_redirect_map(&dm_ports, 1, 0);
+}
+
+/* invalid program on DEVMAP entry;
+ * SEC name means expected attach type not set
+ */
+SEC("xdp_dummy")
+int xdp_dummy_prog(struct xdp_md *ctx)
+{
+ return XDP_PASS;
+}
+
+/* valid program on DEVMAP entry via SEC name;
+ * has access to egress and ingress ifindex
+ */
+SEC("xdp_devmap")
+int xdp_dummy_dm(struct xdp_md *ctx)
+{
+ char fmt[] = "devmap redirect: dev %u -> dev %u len %u\n";
+ void *data_end = (void *)(long)ctx->data_end;
+ void *data = (void *)(long)ctx->data;
+ unsigned int len = data_end - data;
+
+ bpf_trace_printk(fmt, sizeof(fmt),
+ ctx->ingress_ifindex, ctx->egress_ifindex, len);
+
+ return XDP_PASS;
+}
+char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c
new file mode 100644
index 000000000000..8b36b6640e7e
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/trigger_bench.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Facebook
+
+#include <linux/bpf.h>
+#include <asm/unistd.h>
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+char _license[] SEC("license") = "GPL";
+
+long hits = 0;
+
+SEC("tp/syscalls/sys_enter_getpgid")
+int bench_trigger_tp(void *ctx)
+{
+ __sync_add_and_fetch(&hits, 1);
+ return 0;
+}
+
+SEC("raw_tp/sys_enter")
+int BPF_PROG(bench_trigger_raw_tp, struct pt_regs *regs, long id)
+{
+ if (id == __NR_getpgid)
+ __sync_add_and_fetch(&hits, 1);
+ return 0;
+}
+
+SEC("kprobe/__x64_sys_getpgid")
+int bench_trigger_kprobe(void *ctx)
+{
+ __sync_add_and_fetch(&hits, 1);
+ return 0;
+}
+
+SEC("fentry/__x64_sys_getpgid")
+int bench_trigger_fentry(void *ctx)
+{
+ __sync_add_and_fetch(&hits, 1);
+ return 0;
+}
+
+SEC("fmod_ret/__x64_sys_getpgid")
+int bench_trigger_fmodret(void *ctx)
+{
+ __sync_add_and_fetch(&hits, 1);
+ return -22;
+}
diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c
index 8da77cda5f4a..305fae8f80a9 100644
--- a/tools/testing/selftests/bpf/test_btf.c
+++ b/tools/testing/selftests/bpf/test_btf.c
@@ -2854,7 +2854,7 @@ static struct btf_raw_test raw_tests[] = {
.value_type_id = 1,
.max_entries = 4,
.btf_load_err = true,
- .err_str = "vlen != 0",
+ .err_str = "Invalid func linkage",
},
{
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c
index c6766b2cff85..6a12a0e01e07 100644
--- a/tools/testing/selftests/bpf/test_maps.c
+++ b/tools/testing/selftests/bpf/test_maps.c
@@ -1394,23 +1394,25 @@ static void test_map_rdonly(void)
key = 1;
value = 1234;
- /* Insert key=1 element. */
+ /* Try to insert key=1 element. */
assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == -1 &&
errno == EPERM);
- /* Check that key=2 is not found. */
+ /* Check that key=1 is not found. */
assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT);
assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == ENOENT);
+
+ close(fd);
}
-static void test_map_wronly(void)
+static void test_map_wronly_hash(void)
{
int fd, key = 0, value = 0;
fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value),
MAP_SIZE, map_flags | BPF_F_WRONLY);
if (fd < 0) {
- printf("Failed to create map for read only test '%s'!\n",
+ printf("Failed to create map for write only test '%s'!\n",
strerror(errno));
exit(1);
}
@@ -1420,9 +1422,49 @@ static void test_map_wronly(void)
/* Insert key=1 element. */
assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0);
- /* Check that key=2 is not found. */
+ /* Check that reading elements and keys from the map is not allowed. */
assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == EPERM);
assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == EPERM);
+
+ close(fd);
+}
+
+static void test_map_wronly_stack_or_queue(enum bpf_map_type map_type)
+{
+ int fd, value = 0;
+
+ assert(map_type == BPF_MAP_TYPE_QUEUE ||
+ map_type == BPF_MAP_TYPE_STACK);
+ fd = bpf_create_map(map_type, 0, sizeof(value), MAP_SIZE,
+ map_flags | BPF_F_WRONLY);
+ /* Stack/Queue maps do not support BPF_F_NO_PREALLOC */
+ if (map_flags & BPF_F_NO_PREALLOC) {
+ assert(fd < 0 && errno == EINVAL);
+ return;
+ }
+ if (fd < 0) {
+ printf("Failed to create map '%s'!\n", strerror(errno));
+ exit(1);
+ }
+
+ value = 1234;
+ assert(bpf_map_update_elem(fd, NULL, &value, BPF_ANY) == 0);
+
+ /* Peek element should fail */
+ assert(bpf_map_lookup_elem(fd, NULL, &value) == -1 && errno == EPERM);
+
+ /* Pop element should fail */
+ assert(bpf_map_lookup_and_delete_elem(fd, NULL, &value) == -1 &&
+ errno == EPERM);
+
+ close(fd);
+}
+
+static void test_map_wronly(void)
+{
+ test_map_wronly_hash();
+ test_map_wronly_stack_or_queue(BPF_MAP_TYPE_STACK);
+ test_map_wronly_stack_or_queue(BPF_MAP_TYPE_QUEUE);
}
static void prepare_reuseport_grp(int type, int map_fd, size_t map_elem_size,
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index b521e0a512b6..54fa5fa688ce 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -222,23 +222,6 @@ int test__join_cgroup(const char *path)
return fd;
}
-struct ipv4_packet pkt_v4 = {
- .eth.h_proto = __bpf_constant_htons(ETH_P_IP),
- .iph.ihl = 5,
- .iph.protocol = IPPROTO_TCP,
- .iph.tot_len = __bpf_constant_htons(MAGIC_BYTES),
- .tcp.urg_ptr = 123,
- .tcp.doff = 5,
-};
-
-struct ipv6_packet pkt_v6 = {
- .eth.h_proto = __bpf_constant_htons(ETH_P_IPV6),
- .iph.nexthdr = IPPROTO_TCP,
- .iph.payload_len = __bpf_constant_htons(MAGIC_BYTES),
- .tcp.urg_ptr = 123,
- .tcp.doff = 5,
-};
-
int bpf_find_map(const char *test, struct bpf_object *obj, const char *name)
{
struct bpf_map *map;
@@ -351,25 +334,13 @@ int extract_build_id(char *build_id, size_t size)
len = size;
memcpy(build_id, line, len);
build_id[len] = '\0';
+ free(line);
return 0;
err:
fclose(fp);
return -1;
}
-void *spin_lock_thread(void *arg)
-{
- __u32 duration, retval;
- int err, prog_fd = *(u32 *) arg;
-
- err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
- NULL, NULL, &retval, &duration);
- CHECK(err || retval, "",
- "err %d errno %d retval %d duration %d\n",
- err, errno, retval, duration);
- pthread_exit(arg);
-}
-
/* extern declarations for test funcs */
#define DEFINE_TEST(name) extern void test_##name(void);
#include <prog_tests/tests.h>
@@ -420,6 +391,18 @@ static int libbpf_print_fn(enum libbpf_print_level level,
return 0;
}
+static void free_str_set(const struct str_set *set)
+{
+ int i;
+
+ if (!set)
+ return;
+
+ for (i = 0; i < set->cnt; i++)
+ free((void *)set->strs[i]);
+ free(set->strs);
+}
+
static int parse_str_list(const char *s, struct str_set *set)
{
char *input, *state = NULL, *next, **tmp, **strs = NULL;
@@ -455,67 +438,6 @@ err:
return -ENOMEM;
}
-int parse_num_list(const char *s, struct test_selector *sel)
-{
- int i, set_len = 0, new_len, num, start = 0, end = -1;
- bool *set = NULL, *tmp, parsing_end = false;
- char *next;
-
- while (s[0]) {
- errno = 0;
- num = strtol(s, &next, 10);
- if (errno)
- return -errno;
-
- if (parsing_end)
- end = num;
- else
- start = num;
-
- if (!parsing_end && *next == '-') {
- s = next + 1;
- parsing_end = true;
- continue;
- } else if (*next == ',') {
- parsing_end = false;
- s = next + 1;
- end = num;
- } else if (*next == '\0') {
- parsing_end = false;
- s = next;
- end = num;
- } else {
- return -EINVAL;
- }
-
- if (start > end)
- return -EINVAL;
-
- if (end + 1 > set_len) {
- new_len = end + 1;
- tmp = realloc(set, new_len);
- if (!tmp) {
- free(set);
- return -ENOMEM;
- }
- for (i = set_len; i < start; i++)
- tmp[i] = false;
- set = tmp;
- set_len = new_len;
- }
- for (i = start; i <= end; i++)
- set[i] = true;
- }
-
- if (!set)
- return -EINVAL;
-
- sel->num_set = set;
- sel->num_set_len = set_len;
-
- return 0;
-}
-
extern int extra_prog_load_log_flags;
static error_t parse_arg(int key, char *arg, struct argp_state *state)
@@ -529,13 +451,15 @@ static error_t parse_arg(int key, char *arg, struct argp_state *state)
if (subtest_str) {
*subtest_str = '\0';
if (parse_num_list(subtest_str + 1,
- &env->subtest_selector)) {
+ &env->subtest_selector.num_set,
+ &env->subtest_selector.num_set_len)) {
fprintf(stderr,
"Failed to parse subtest numbers.\n");
return -EINVAL;
}
}
- if (parse_num_list(arg, &env->test_selector)) {
+ if (parse_num_list(arg, &env->test_selector.num_set,
+ &env->test_selector.num_set_len)) {
fprintf(stderr, "Failed to parse test numbers.\n");
return -EINVAL;
}
@@ -756,11 +680,11 @@ int main(int argc, char **argv)
fprintf(stdout, "Summary: %d/%d PASSED, %d SKIPPED, %d FAILED\n",
env.succ_cnt, env.sub_succ_cnt, env.skip_cnt, env.fail_cnt);
- free(env.test_selector.blacklist.strs);
- free(env.test_selector.whitelist.strs);
+ free_str_set(&env.test_selector.blacklist);
+ free_str_set(&env.test_selector.whitelist);
free(env.test_selector.num_set);
- free(env.subtest_selector.blacklist.strs);
- free(env.subtest_selector.whitelist.strs);
+ free_str_set(&env.subtest_selector.blacklist);
+ free_str_set(&env.subtest_selector.whitelist);
free(env.subtest_selector.num_set);
return env.fail_cnt ? EXIT_FAILURE : EXIT_SUCCESS;
diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
index f4aff6b8284b..f4503c926aca 100644
--- a/tools/testing/selftests/bpf/test_progs.h
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -37,6 +37,7 @@ typedef __u16 __sum16;
#include "bpf_util.h"
#include <bpf/bpf_endian.h>
#include "trace_helpers.h"
+#include "testing_helpers.h"
#include "flow_dissector_load.h"
enum verbosity {
@@ -87,23 +88,12 @@ extern void test__skip(void);
extern void test__fail(void);
extern int test__join_cgroup(const char *path);
-#define MAGIC_BYTES 123
-
-/* ipv4 test vector */
-struct ipv4_packet {
- struct ethhdr eth;
- struct iphdr iph;
- struct tcphdr tcp;
-} __packed;
-extern struct ipv4_packet pkt_v4;
-
-/* ipv6 test vector */
-struct ipv6_packet {
- struct ethhdr eth;
- struct ipv6hdr iph;
- struct tcphdr tcp;
-} __packed;
-extern struct ipv6_packet pkt_v6;
+#define PRINT_FAIL(format...) \
+ ({ \
+ test__fail(); \
+ fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__); \
+ fprintf(stdout, ##format); \
+ })
#define _CHECK(condition, tag, duration, format...) ({ \
int __ret = !!(condition); \
@@ -136,10 +126,6 @@ extern struct ipv6_packet pkt_v6;
#define CHECK_ATTR(condition, tag, format...) \
_CHECK(condition, tag, tattr.duration, format)
-#define MAGIC_VAL 0x1234
-#define NUM_ITER 100000
-#define VIP_NUM 5
-
static inline __u64 ptr_to_u64(const void *ptr)
{
return (__u64) (unsigned long) ptr;
@@ -149,7 +135,6 @@ int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
int compare_map_keys(int map1_fd, int map2_fd);
int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
int extract_build_id(char *build_id, size_t size);
-void *spin_lock_thread(void *arg);
#ifdef __x86_64__
#define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c
index 61fd95b89af8..0358814c67dc 100644
--- a/tools/testing/selftests/bpf/test_sock_addr.c
+++ b/tools/testing/selftests/bpf/test_sock_addr.c
@@ -677,7 +677,7 @@ static int bind4_prog_load(const struct sock_addr_test *test)
uint8_t u4_addr8[4];
uint16_t u4_addr16[2];
uint32_t u4_addr32;
- } ip4;
+ } ip4, port;
struct sockaddr_in addr4_rw;
if (inet_pton(AF_INET, SERV4_IP, (void *)&ip4) != 1) {
@@ -685,6 +685,8 @@ static int bind4_prog_load(const struct sock_addr_test *test)
return -1;
}
+ port.u4_addr32 = htons(SERV4_PORT);
+
if (mk_sockaddr(AF_INET, SERV4_REWRITE_IP, SERV4_REWRITE_PORT,
(struct sockaddr *)&addr4_rw, sizeof(addr4_rw)) == -1)
return -1;
@@ -696,49 +698,65 @@ static int bind4_prog_load(const struct sock_addr_test *test)
/* if (sk.family == AF_INET && */
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, family)),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET, 24),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, AF_INET, 32),
/* (sk.type == SOCK_DGRAM || sk.type == SOCK_STREAM) && */
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, type)),
BPF_JMP_IMM(BPF_JNE, BPF_REG_7, SOCK_DGRAM, 1),
BPF_JMP_A(1),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, SOCK_STREAM, 20),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, SOCK_STREAM, 28),
/* 1st_byte_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4)),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[0], 18),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[0], 26),
/* 2nd_byte_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4) + 1),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[1], 16),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[1], 24),
/* 3rd_byte_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4) + 2),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[2], 14),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[2], 22),
/* 4th_byte_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4) + 3),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[3], 12),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr8[3], 20),
/* 1st_half_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4)),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr16[0], 10),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr16[0], 18),
/* 2nd_half_of_user_ip4 == expected && */
BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4) + 2),
- BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr16[1], 8),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, ip4.u4_addr16[1], 16),
- /* whole_user_ip4 == expected) { */
+ /* whole_user_ip4 == expected && */
BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
offsetof(struct bpf_sock_addr, user_ip4)),
BPF_LD_IMM64(BPF_REG_8, ip4.u4_addr32), /* See [2]. */
+ BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_8, 12),
+
+ /* 1st_byte_of_user_port == expected && */
+ BPF_LDX_MEM(BPF_B, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, user_port)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, port.u4_addr8[0], 10),
+
+ /* 1st_half_of_user_port == expected && */
+ BPF_LDX_MEM(BPF_H, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, user_port)),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_7, port.u4_addr16[0], 8),
+
+ /* user_port == expected) { */
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_6,
+ offsetof(struct bpf_sock_addr, user_port)),
+ BPF_LD_IMM64(BPF_REG_8, port.u4_addr32), /* See [2]. */
BPF_JMP_REG(BPF_JNE, BPF_REG_7, BPF_REG_8, 4),
/* user_ip4 = addr4_rw.sin_addr */
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index 779e11da979c..37695fc8096a 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -54,7 +54,7 @@ static void running_handler(int a);
#define S1_PORT 10000
#define S2_PORT 10001
-#define BPF_SOCKMAP_FILENAME "test_sockmap_kern.o"
+#define BPF_SOCKMAP_FILENAME "test_sockmap_kern.o"
#define BPF_SOCKHASH_FILENAME "test_sockhash_kern.o"
#define CG_PATH "/sockmap"
@@ -63,14 +63,12 @@ int s1, s2, c1, c2, p1, p2;
int test_cnt;
int passed;
int failed;
-int map_fd[8];
-struct bpf_map *maps[8];
+int map_fd[9];
+struct bpf_map *maps[9];
int prog_fd[11];
int txmsg_pass;
-int txmsg_noisy;
int txmsg_redir;
-int txmsg_redir_noisy;
int txmsg_drop;
int txmsg_apply;
int txmsg_cork;
@@ -81,7 +79,10 @@ int txmsg_end_push;
int txmsg_start_pop;
int txmsg_pop;
int txmsg_ingress;
-int txmsg_skb;
+int txmsg_redir_skb;
+int txmsg_ktls_skb;
+int txmsg_ktls_skb_drop;
+int txmsg_ktls_skb_redir;
int ktls;
int peek_flag;
@@ -89,15 +90,13 @@ static const struct option long_options[] = {
{"help", no_argument, NULL, 'h' },
{"cgroup", required_argument, NULL, 'c' },
{"rate", required_argument, NULL, 'r' },
- {"verbose", no_argument, NULL, 'v' },
+ {"verbose", optional_argument, NULL, 'v' },
{"iov_count", required_argument, NULL, 'i' },
{"length", required_argument, NULL, 'l' },
{"test", required_argument, NULL, 't' },
{"data_test", no_argument, NULL, 'd' },
{"txmsg", no_argument, &txmsg_pass, 1 },
- {"txmsg_noisy", no_argument, &txmsg_noisy, 1 },
{"txmsg_redir", no_argument, &txmsg_redir, 1 },
- {"txmsg_redir_noisy", no_argument, &txmsg_redir_noisy, 1},
{"txmsg_drop", no_argument, &txmsg_drop, 1 },
{"txmsg_apply", required_argument, NULL, 'a'},
{"txmsg_cork", required_argument, NULL, 'k'},
@@ -108,12 +107,108 @@ static const struct option long_options[] = {
{"txmsg_start_pop", required_argument, NULL, 'w'},
{"txmsg_pop", required_argument, NULL, 'x'},
{"txmsg_ingress", no_argument, &txmsg_ingress, 1 },
- {"txmsg_skb", no_argument, &txmsg_skb, 1 },
+ {"txmsg_redir_skb", no_argument, &txmsg_redir_skb, 1 },
{"ktls", no_argument, &ktls, 1 },
{"peek", no_argument, &peek_flag, 1 },
+ {"whitelist", required_argument, NULL, 'n' },
+ {"blacklist", required_argument, NULL, 'b' },
{0, 0, NULL, 0 }
};
+struct test_env {
+ const char *type;
+ const char *subtest;
+ const char *prepend;
+
+ int test_num;
+ int subtest_num;
+
+ int succ_cnt;
+ int fail_cnt;
+ int fail_last;
+};
+
+struct test_env env;
+
+struct sockmap_options {
+ int verbose;
+ bool base;
+ bool sendpage;
+ bool data_test;
+ bool drop_expected;
+ int iov_count;
+ int iov_length;
+ int rate;
+ char *map;
+ char *whitelist;
+ char *blacklist;
+ char *prepend;
+};
+
+struct _test {
+ char *title;
+ void (*tester)(int cg_fd, struct sockmap_options *opt);
+};
+
+static void test_start(void)
+{
+ env.subtest_num++;
+}
+
+static void test_fail(void)
+{
+ env.fail_cnt++;
+}
+
+static void test_pass(void)
+{
+ env.succ_cnt++;
+}
+
+static void test_reset(void)
+{
+ txmsg_start = txmsg_end = 0;
+ txmsg_start_pop = txmsg_pop = 0;
+ txmsg_start_push = txmsg_end_push = 0;
+ txmsg_pass = txmsg_drop = txmsg_redir = 0;
+ txmsg_apply = txmsg_cork = 0;
+ txmsg_ingress = txmsg_redir_skb = 0;
+ txmsg_ktls_skb = txmsg_ktls_skb_drop = txmsg_ktls_skb_redir = 0;
+}
+
+static int test_start_subtest(const struct _test *t, struct sockmap_options *o)
+{
+ env.type = o->map;
+ env.subtest = t->title;
+ env.prepend = o->prepend;
+ env.test_num++;
+ env.subtest_num = 0;
+ env.fail_last = env.fail_cnt;
+ test_reset();
+ return 0;
+}
+
+static void test_end_subtest(void)
+{
+ int error = env.fail_cnt - env.fail_last;
+ int type = strcmp(env.type, BPF_SOCKMAP_FILENAME);
+
+ if (!error)
+ test_pass();
+
+ fprintf(stdout, "#%2d/%2d %8s:%s:%s:%s\n",
+ env.test_num, env.subtest_num,
+ !type ? "sockmap" : "sockhash",
+ env.prepend ? : "",
+ env.subtest, error ? "FAIL" : "OK");
+}
+
+static void test_print_results(void)
+{
+ fprintf(stdout, "Pass: %d Fail: %d\n",
+ env.succ_cnt, env.fail_cnt);
+}
+
static void usage(char *argv[])
{
int i;
@@ -296,7 +391,7 @@ static int sockmap_init_sockets(int verbose)
return errno;
}
- if (verbose) {
+ if (verbose > 1) {
printf("connected sockets: c1 <-> p1, c2 <-> p2\n");
printf("cgroups binding: c1(%i) <-> s1(%i) - - - c2(%i) <-> s2(%i)\n",
c1, s1, c2, s2);
@@ -311,17 +406,6 @@ struct msg_stats {
struct timespec end;
};
-struct sockmap_options {
- int verbose;
- bool base;
- bool sendpage;
- bool data_test;
- bool drop_expected;
- int iov_count;
- int iov_length;
- int rate;
-};
-
static int msg_loop_sendpage(int fd, int iov_length, int cnt,
struct msg_stats *s,
struct sockmap_options *opt)
@@ -345,14 +429,18 @@ static int msg_loop_sendpage(int fd, int iov_length, int cnt,
clock_gettime(CLOCK_MONOTONIC, &s->start);
for (i = 0; i < cnt; i++) {
- int sent = sendfile(fd, fp, NULL, iov_length);
+ int sent;
+
+ errno = 0;
+ sent = sendfile(fd, fp, NULL, iov_length);
if (!drop && sent < 0) {
- perror("send loop error");
+ perror("sendpage loop error");
fclose(file);
return sent;
} else if (drop && sent >= 0) {
- printf("sendpage loop error expected: %i\n", sent);
+ printf("sendpage loop error expected: %i errno %i\n",
+ sent, errno);
fclose(file);
return -EIO;
}
@@ -418,14 +506,41 @@ unwind_iov:
static int msg_verify_data(struct msghdr *msg, int size, int chunk_sz)
{
- int i, j, bytes_cnt = 0;
+ int i, j = 0, bytes_cnt = 0;
unsigned char k = 0;
for (i = 0; i < msg->msg_iovlen; i++) {
unsigned char *d = msg->msg_iov[i].iov_base;
- for (j = 0;
- j < msg->msg_iov[i].iov_len && size; j++) {
+ /* Special case test for skb ingress + ktls */
+ if (i == 0 && txmsg_ktls_skb) {
+ if (msg->msg_iov[i].iov_len < 4)
+ return -EIO;
+ if (txmsg_ktls_skb_redir) {
+ if (memcmp(&d[13], "PASS", 4) != 0) {
+ fprintf(stderr,
+ "detected redirect ktls_skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n", i, 0, d[13], d[14], d[15], d[16]);
+ return -EIO;
+ }
+ d[13] = 0;
+ d[14] = 1;
+ d[15] = 2;
+ d[16] = 3;
+ j = 13;
+ } else if (txmsg_ktls_skb) {
+ if (memcmp(d, "PASS", 4) != 0) {
+ fprintf(stderr,
+ "detected ktls_skb data error with skb ingress update @iov[%i]:%i \"%02x %02x %02x %02x\" != \"PASS\"\n", i, 0, d[0], d[1], d[2], d[3]);
+ return -EIO;
+ }
+ d[0] = 0;
+ d[1] = 1;
+ d[2] = 2;
+ d[3] = 3;
+ }
+ }
+
+ for (; j < msg->msg_iov[i].iov_len && size; j++) {
if (d[j] != k++) {
fprintf(stderr,
"detected data corruption @iov[%i]:%i %02x != %02x, %02x ?= %02x\n",
@@ -464,13 +579,18 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
if (tx) {
clock_gettime(CLOCK_MONOTONIC, &s->start);
for (i = 0; i < cnt; i++) {
- int sent = sendmsg(fd, &msg, flags);
+ int sent;
+
+ errno = 0;
+ sent = sendmsg(fd, &msg, flags);
if (!drop && sent < 0) {
- perror("send loop error");
+ perror("sendmsg loop error");
goto out_errno;
} else if (drop && sent >= 0) {
- printf("send loop error expected: %i\n", sent);
+ fprintf(stderr,
+ "sendmsg loop error expected: %i errno %i\n",
+ sent, errno);
errno = -EIO;
goto out_errno;
}
@@ -497,9 +617,10 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt,
* paths.
*/
total_bytes = (float)iov_count * (float)iov_length * (float)cnt;
- txmsg_pop_total = txmsg_pop;
if (txmsg_apply)
- txmsg_pop_total *= (total_bytes / txmsg_apply);
+ txmsg_pop_total = txmsg_pop * (total_bytes / txmsg_apply);
+ else
+ txmsg_pop_total = txmsg_pop * cnt;
total_bytes -= txmsg_pop_total;
err = clock_gettime(CLOCK_MONOTONIC, &s->start);
if (err < 0)
@@ -633,14 +754,18 @@ static int sendmsg_test(struct sockmap_options *opt)
rxpid = fork();
if (rxpid == 0) {
- if (opt->drop_expected)
- exit(0);
+ iov_buf -= (txmsg_pop - txmsg_start_pop + 1);
+ if (opt->drop_expected || txmsg_ktls_skb_drop)
+ _exit(0);
+
+ if (!iov_buf) /* zero bytes sent case */
+ _exit(0);
if (opt->sendpage)
iov_count = 1;
err = msg_loop(rx_fd, iov_count, iov_buf,
cnt, &s, false, opt);
- if (opt->verbose)
+ if (opt->verbose > 1)
fprintf(stderr,
"msg_loop_rx: iov_count %i iov_buf %i cnt %i err %i\n",
iov_count, iov_buf, cnt, err);
@@ -648,7 +773,7 @@ static int sendmsg_test(struct sockmap_options *opt)
sent_Bps = sentBps(s);
recvd_Bps = recvdBps(s);
}
- if (opt->verbose)
+ if (opt->verbose > 1)
fprintf(stdout,
"rx_sendmsg: TX: %zuB %fB/s %fGB/s RX: %zuB %fB/s %fGB/s %s\n",
s.bytes_sent, sent_Bps, sent_Bps/giga,
@@ -678,7 +803,7 @@ static int sendmsg_test(struct sockmap_options *opt)
sent_Bps = sentBps(s);
recvd_Bps = recvdBps(s);
}
- if (opt->verbose)
+ if (opt->verbose > 1)
fprintf(stdout,
"tx_sendmsg: TX: %zuB %fB/s %f GB/s RX: %zuB %fB/s %fGB/s\n",
s.bytes_sent, sent_Bps, sent_Bps/giga,
@@ -694,14 +819,14 @@ static int sendmsg_test(struct sockmap_options *opt)
if (WIFEXITED(rx_status)) {
err = WEXITSTATUS(rx_status);
if (err) {
- fprintf(stderr, "rx thread exited with err %d. ", err);
+ fprintf(stderr, "rx thread exited with err %d.\n", err);
goto out;
}
}
if (WIFEXITED(tx_status)) {
err = WEXITSTATUS(tx_status);
if (err)
- fprintf(stderr, "tx thread exited with err %d. ", err);
+ fprintf(stderr, "tx thread exited with err %d.\n", err);
}
out:
return err;
@@ -783,6 +908,7 @@ static int forever_ping_pong(int rate, struct sockmap_options *opt)
}
enum {
+ SELFTESTS,
PING_PONG,
SENDMSG,
BASE,
@@ -816,8 +942,28 @@ static int run_options(struct sockmap_options *options, int cg_fd, int test)
return err;
}
+ /* Attach programs to TLS sockmap */
+ if (txmsg_ktls_skb) {
+ err = bpf_prog_attach(prog_fd[0], map_fd[8],
+ BPF_SK_SKB_STREAM_PARSER, 0);
+ if (err) {
+ fprintf(stderr,
+ "ERROR: bpf_prog_attach (TLS sockmap %i->%i): %d (%s)\n",
+ prog_fd[0], map_fd[8], err, strerror(errno));
+ return err;
+ }
+
+ err = bpf_prog_attach(prog_fd[2], map_fd[8],
+ BPF_SK_SKB_STREAM_VERDICT, 0);
+ if (err) {
+ fprintf(stderr, "ERROR: bpf_prog_attach (TLS sockmap): %d (%s)\n",
+ err, strerror(errno));
+ return err;
+ }
+ }
+
/* Attach to cgroups */
- err = bpf_prog_attach(prog_fd[2], cg_fd, BPF_CGROUP_SOCK_OPS, 0);
+ err = bpf_prog_attach(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS, 0);
if (err) {
fprintf(stderr, "ERROR: bpf_prog_attach (groups): %d (%s)\n",
err, strerror(errno));
@@ -833,19 +979,14 @@ run:
/* Attach txmsg program to sockmap */
if (txmsg_pass)
- tx_prog_fd = prog_fd[3];
- else if (txmsg_noisy)
tx_prog_fd = prog_fd[4];
else if (txmsg_redir)
tx_prog_fd = prog_fd[5];
- else if (txmsg_redir_noisy)
- tx_prog_fd = prog_fd[6];
- else if (txmsg_drop)
- tx_prog_fd = prog_fd[9];
- /* apply and cork must be last */
else if (txmsg_apply)
- tx_prog_fd = prog_fd[7];
+ tx_prog_fd = prog_fd[6];
else if (txmsg_cork)
+ tx_prog_fd = prog_fd[7];
+ else if (txmsg_drop)
tx_prog_fd = prog_fd[8];
else
tx_prog_fd = 0;
@@ -870,7 +1011,7 @@ run:
goto out;
}
- if (txmsg_redir || txmsg_redir_noisy)
+ if (txmsg_redir)
redir_fd = c2;
else
redir_fd = c1;
@@ -1018,7 +1159,35 @@ run:
}
}
- if (txmsg_skb) {
+ if (txmsg_ktls_skb) {
+ int ingress = BPF_F_INGRESS;
+
+ i = 0;
+ err = bpf_map_update_elem(map_fd[8], &i, &p2, BPF_ANY);
+ if (err) {
+ fprintf(stderr,
+ "ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n",
+ err, strerror(errno));
+ }
+
+ if (txmsg_ktls_skb_redir) {
+ i = 1;
+ err = bpf_map_update_elem(map_fd[7],
+ &i, &ingress, BPF_ANY);
+ if (err) {
+ fprintf(stderr,
+ "ERROR: bpf_map_update_elem (txmsg_ingress): %d (%s)\n",
+ err, strerror(errno));
+ }
+ }
+
+ if (txmsg_ktls_skb_drop) {
+ i = 1;
+ err = bpf_map_update_elem(map_fd[7], &i, &i, BPF_ANY);
+ }
+ }
+
+ if (txmsg_redir_skb) {
int skb_fd = (test == SENDMSG || test == SENDPAGE) ?
p2 : p1;
int ingress = BPF_F_INGRESS;
@@ -1033,8 +1202,7 @@ run:
}
i = 3;
- err = bpf_map_update_elem(map_fd[0],
- &i, &skb_fd, BPF_ANY);
+ err = bpf_map_update_elem(map_fd[0], &i, &skb_fd, BPF_ANY);
if (err) {
fprintf(stderr,
"ERROR: bpf_map_update_elem (c1 sockmap): %d (%s)\n",
@@ -1068,9 +1236,12 @@ run:
fprintf(stderr, "unknown test\n");
out:
/* Detatch and zero all the maps */
- bpf_prog_detach2(prog_fd[2], cg_fd, BPF_CGROUP_SOCK_OPS);
+ bpf_prog_detach2(prog_fd[3], cg_fd, BPF_CGROUP_SOCK_OPS);
bpf_prog_detach2(prog_fd[0], map_fd[0], BPF_SK_SKB_STREAM_PARSER);
bpf_prog_detach2(prog_fd[1], map_fd[0], BPF_SK_SKB_STREAM_VERDICT);
+ bpf_prog_detach2(prog_fd[0], map_fd[8], BPF_SK_SKB_STREAM_PARSER);
+ bpf_prog_detach2(prog_fd[2], map_fd[8], BPF_SK_SKB_STREAM_VERDICT);
+
if (tx_prog_fd >= 0)
bpf_prog_detach2(tx_prog_fd, map_fd[1], BPF_SK_MSG_VERDICT);
@@ -1112,12 +1283,8 @@ static void test_options(char *options)
if (txmsg_pass)
strncat(options, "pass,", OPTSTRING);
- if (txmsg_noisy)
- strncat(options, "pass_noisy,", OPTSTRING);
if (txmsg_redir)
strncat(options, "redir,", OPTSTRING);
- if (txmsg_redir_noisy)
- strncat(options, "redir_noisy,", OPTSTRING);
if (txmsg_drop)
strncat(options, "drop,", OPTSTRING);
if (txmsg_apply) {
@@ -1143,8 +1310,10 @@ static void test_options(char *options)
}
if (txmsg_ingress)
strncat(options, "ingress,", OPTSTRING);
- if (txmsg_skb)
- strncat(options, "skb,", OPTSTRING);
+ if (txmsg_redir_skb)
+ strncat(options, "redir_skb,", OPTSTRING);
+ if (txmsg_ktls_skb)
+ strncat(options, "ktls_skb,", OPTSTRING);
if (ktls)
strncat(options, "ktls,", OPTSTRING);
if (peek_flag)
@@ -1168,416 +1337,317 @@ static int __test_exec(int cgrp, int test, struct sockmap_options *opt)
test_options(options);
- fprintf(stdout,
- "[TEST %i]: (%i, %i, %i, %s, %s): ",
- test_cnt, opt->rate, opt->iov_count, opt->iov_length,
- test_to_str(test), options);
- fflush(stdout);
+ if (opt->verbose) {
+ fprintf(stdout,
+ " [TEST %i]: (%i, %i, %i, %s, %s): ",
+ test_cnt, opt->rate, opt->iov_count, opt->iov_length,
+ test_to_str(test), options);
+ fflush(stdout);
+ }
err = run_options(opt, cgrp, test);
- fprintf(stdout, "%s\n", !err ? "PASS" : "FAILED");
+ if (opt->verbose)
+ fprintf(stdout, " %s\n", !err ? "PASS" : "FAILED");
test_cnt++;
!err ? passed++ : failed++;
free(options);
return err;
}
-static int test_exec(int cgrp, struct sockmap_options *opt)
-{
- int err = __test_exec(cgrp, SENDMSG, opt);
-
- if (err)
- goto out;
-
- err = __test_exec(cgrp, SENDPAGE, opt);
-out:
- return err;
-}
-
-static int test_loop(int cgrp)
-{
- struct sockmap_options opt;
-
- int err, i, l, r;
-
- opt.verbose = 0;
- opt.base = false;
- opt.sendpage = false;
- opt.data_test = false;
- opt.drop_expected = false;
- opt.iov_count = 0;
- opt.iov_length = 0;
- opt.rate = 0;
-
- r = 1;
- for (i = 1; i < 100; i += 33) {
- for (l = 1; l < 100; l += 33) {
- opt.rate = r;
- opt.iov_count = i;
- opt.iov_length = l;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
- }
- }
- sched_yield();
-out:
- return err;
-}
-
-static int test_txmsg(int cgrp)
+static void test_exec(int cgrp, struct sockmap_options *opt)
{
+ int type = strcmp(opt->map, BPF_SOCKMAP_FILENAME);
int err;
- txmsg_pass = txmsg_noisy = txmsg_redir_noisy = txmsg_drop = 0;
- txmsg_apply = txmsg_cork = 0;
- txmsg_ingress = txmsg_skb = 0;
-
- txmsg_pass = 1;
- err = test_loop(cgrp);
- txmsg_pass = 0;
- if (err)
- goto out;
-
- txmsg_redir = 1;
- err = test_loop(cgrp);
- txmsg_redir = 0;
- if (err)
- goto out;
-
- txmsg_drop = 1;
- err = test_loop(cgrp);
- txmsg_drop = 0;
- if (err)
- goto out;
-
- txmsg_redir = 1;
- txmsg_ingress = 1;
- err = test_loop(cgrp);
- txmsg_redir = 0;
- txmsg_ingress = 0;
- if (err)
- goto out;
-out:
- txmsg_pass = 0;
- txmsg_redir = 0;
- txmsg_drop = 0;
- return err;
+ if (type == 0) {
+ test_start();
+ err = __test_exec(cgrp, SENDMSG, opt);
+ if (err)
+ test_fail();
+ } else {
+ test_start();
+ err = __test_exec(cgrp, SENDPAGE, opt);
+ if (err)
+ test_fail();
+ }
}
-static int test_send(struct sockmap_options *opt, int cgrp)
+static void test_send_one(struct sockmap_options *opt, int cgrp)
{
- int err;
-
opt->iov_length = 1;
opt->iov_count = 1;
opt->rate = 1;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
+ test_exec(cgrp, opt);
opt->iov_length = 1;
opt->iov_count = 1024;
opt->rate = 1;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
+ test_exec(cgrp, opt);
opt->iov_length = 1024;
opt->iov_count = 1;
opt->rate = 1;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
+ test_exec(cgrp, opt);
- opt->iov_length = 1;
+}
+
+static void test_send_many(struct sockmap_options *opt, int cgrp)
+{
+ opt->iov_length = 3;
opt->iov_count = 1;
opt->rate = 512;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
-
- opt->iov_length = 256;
- opt->iov_count = 1024;
- opt->rate = 2;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
+ test_exec(cgrp, opt);
opt->rate = 100;
opt->iov_count = 1;
opt->iov_length = 5;
- err = test_exec(cgrp, opt);
- if (err)
- goto out;
-out:
- sched_yield();
- return err;
+ test_exec(cgrp, opt);
}
-static int test_mixed(int cgrp)
+static void test_send_large(struct sockmap_options *opt, int cgrp)
{
- struct sockmap_options opt = {0};
- int err;
+ opt->iov_length = 256;
+ opt->iov_count = 1024;
+ opt->rate = 2;
+ test_exec(cgrp, opt);
+}
- txmsg_pass = txmsg_noisy = txmsg_redir_noisy = txmsg_drop = 0;
- txmsg_apply = txmsg_cork = 0;
- txmsg_start = txmsg_end = 0;
- txmsg_start_push = txmsg_end_push = 0;
- txmsg_start_pop = txmsg_pop = 0;
+static void test_send(struct sockmap_options *opt, int cgrp)
+{
+ test_send_one(opt, cgrp);
+ test_send_many(opt, cgrp);
+ test_send_large(opt, cgrp);
+ sched_yield();
+}
+static void test_txmsg_pass(int cgrp, struct sockmap_options *opt)
+{
/* Test small and large iov_count values with pass/redir/apply/cork */
txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 1;
- txmsg_cork = 0;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ test_send(opt, cgrp);
+}
- txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 0;
- txmsg_cork = 1;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+static void test_txmsg_redir(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_redir = 1;
+ test_send(opt, cgrp);
+}
- txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 1;
- txmsg_cork = 1;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+static void test_txmsg_drop(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_drop = 1;
+ test_send(opt, cgrp);
+}
- txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 1024;
- txmsg_cork = 0;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+static void test_txmsg_ingress_redir(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_pass = txmsg_drop = 0;
+ txmsg_ingress = txmsg_redir = 1;
+ test_send(opt, cgrp);
+}
- txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 0;
- txmsg_cork = 1024;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+static void test_txmsg_skb(int cgrp, struct sockmap_options *opt)
+{
+ bool data = opt->data_test;
+ int k = ktls;
- txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_apply = 1024;
- txmsg_cork = 1024;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ opt->data_test = true;
+ ktls = 1;
+ txmsg_pass = txmsg_drop = 0;
+ txmsg_ingress = txmsg_redir = 0;
+ txmsg_ktls_skb = 1;
txmsg_pass = 1;
- txmsg_redir = 0;
- txmsg_cork = 4096;
- txmsg_apply = 4096;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
- txmsg_pass = 0;
- txmsg_redir = 1;
- txmsg_apply = 1;
- txmsg_cork = 0;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ /* Using data verification so ensure iov layout is
+ * expected from test receiver side. e.g. has enough
+ * bytes to write test code.
+ */
+ opt->iov_length = 100;
+ opt->iov_count = 1;
+ opt->rate = 1;
+ test_exec(cgrp, opt);
- txmsg_pass = 0;
- txmsg_redir = 1;
- txmsg_apply = 0;
- txmsg_cork = 1;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ txmsg_ktls_skb_drop = 1;
+ test_exec(cgrp, opt);
- txmsg_pass = 0;
- txmsg_redir = 1;
- txmsg_apply = 1024;
- txmsg_cork = 0;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ txmsg_ktls_skb_drop = 0;
+ txmsg_ktls_skb_redir = 1;
+ test_exec(cgrp, opt);
- txmsg_pass = 0;
- txmsg_redir = 1;
- txmsg_apply = 0;
- txmsg_cork = 1024;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ opt->data_test = data;
+ ktls = k;
+}
+
+
+/* Test cork with hung data. This tests poor usage patterns where
+ * cork can leave data on the ring if user program is buggy and
+ * doesn't flush them somehow. They do take some time however
+ * because they wait for a timeout. Test pass, redir and cork with
+ * apply logic. Use cork size of 4097 with send_large to avoid
+ * aligning cork size with send size.
+ */
+static void test_txmsg_cork_hangs(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_cork = 4097;
+ txmsg_apply = 4097;
+ test_send_large(opt, cgrp);
txmsg_pass = 0;
txmsg_redir = 1;
- txmsg_apply = 1024;
- txmsg_cork = 1024;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
+ txmsg_apply = 0;
+ txmsg_cork = 4097;
+ test_send_large(opt, cgrp);
txmsg_pass = 0;
txmsg_redir = 1;
- txmsg_cork = 4096;
- txmsg_apply = 4096;
- err = test_send(&opt, cgrp);
- if (err)
- goto out;
-out:
- return err;
+ txmsg_apply = 4097;
+ txmsg_cork = 4097;
+ test_send_large(opt, cgrp);
}
-static int test_start_end(int cgrp)
+static void test_txmsg_pull(int cgrp, struct sockmap_options *opt)
{
- struct sockmap_options opt = {0};
- int err, i;
+ /* Test basic start/end */
+ txmsg_start = 1;
+ txmsg_end = 2;
+ test_send(opt, cgrp);
+
+ /* Test >4k pull */
+ txmsg_start = 4096;
+ txmsg_end = 9182;
+ test_send_large(opt, cgrp);
- /* Test basic start/end with lots of iov_count and iov_lengths */
+ /* Test pull + redirect */
+ txmsg_redir = 0;
txmsg_start = 1;
txmsg_end = 2;
- txmsg_start_push = 1;
- txmsg_end_push = 2;
- txmsg_start_pop = 1;
- txmsg_pop = 1;
- err = test_txmsg(cgrp);
- if (err)
- goto out;
+ test_send(opt, cgrp);
- /* Cut a byte of pushed data but leave reamining in place */
+ /* Test pull + cork */
+ txmsg_redir = 0;
+ txmsg_cork = 512;
txmsg_start = 1;
txmsg_end = 2;
- txmsg_start_push = 1;
- txmsg_end_push = 3;
+ test_send_many(opt, cgrp);
+
+ /* Test pull + cork + redirect */
+ txmsg_redir = 1;
+ txmsg_cork = 512;
+ txmsg_start = 1;
+ txmsg_end = 2;
+ test_send_many(opt, cgrp);
+}
+
+static void test_txmsg_pop(int cgrp, struct sockmap_options *opt)
+{
+ /* Test basic pop */
txmsg_start_pop = 1;
- txmsg_pop = 1;
- err = test_txmsg(cgrp);
- if (err)
- goto out;
+ txmsg_pop = 2;
+ test_send_many(opt, cgrp);
- /* Test start/end with cork */
- opt.rate = 16;
- opt.iov_count = 1;
- opt.iov_length = 100;
- txmsg_cork = 1600;
-
- txmsg_start_pop = 0;
- txmsg_pop = 0;
-
- for (i = 99; i <= 1600; i += 500) {
- txmsg_start = 0;
- txmsg_end = i;
- txmsg_start_push = 0;
- txmsg_end_push = i;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
- }
+ /* Test pop with >4k */
+ txmsg_start_pop = 4096;
+ txmsg_pop = 4096;
+ test_send_large(opt, cgrp);
- /* Test pop data in middle of cork */
- for (i = 99; i <= 1600; i += 500) {
- txmsg_start_pop = 10;
- txmsg_pop = i;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
- }
- txmsg_start_pop = 0;
- txmsg_pop = 0;
-
- /* Test start/end with cork but pull data in middle */
- for (i = 199; i <= 1600; i += 500) {
- txmsg_start = 100;
- txmsg_end = i;
- txmsg_start_push = 100;
- txmsg_end_push = i;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
- }
+ /* Test pop + redirect */
+ txmsg_redir = 1;
+ txmsg_start_pop = 1;
+ txmsg_pop = 2;
+ test_send_many(opt, cgrp);
- /* Test start/end with cork pulling last sg entry */
- txmsg_start = 1500;
- txmsg_end = 1600;
- txmsg_start_push = 1500;
- txmsg_end_push = 1600;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+ /* Test pop + cork */
+ txmsg_redir = 0;
+ txmsg_cork = 512;
+ txmsg_start_pop = 1;
+ txmsg_pop = 2;
+ test_send_many(opt, cgrp);
- /* Test pop with cork pulling last sg entry */
- txmsg_start_pop = 1500;
- txmsg_pop = 1600;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
- txmsg_start_pop = 0;
- txmsg_pop = 0;
-
- /* Test start/end pull of single byte in last page */
- txmsg_start = 1111;
- txmsg_end = 1112;
- txmsg_start_push = 1111;
- txmsg_end_push = 1112;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+ /* Test pop + redirect + cork */
+ txmsg_redir = 1;
+ txmsg_cork = 4;
+ txmsg_start_pop = 1;
+ txmsg_pop = 2;
+ test_send_many(opt, cgrp);
+}
- /* Test pop of single byte in last page */
- txmsg_start_pop = 1111;
- txmsg_pop = 1112;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+static void test_txmsg_push(int cgrp, struct sockmap_options *opt)
+{
+ /* Test basic push */
+ txmsg_start_push = 1;
+ txmsg_end_push = 1;
+ test_send(opt, cgrp);
- /* Test start/end with end < start */
- txmsg_start = 1111;
- txmsg_end = 0;
- txmsg_start_push = 1111;
- txmsg_end_push = 0;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+ /* Test push 4kB >4k */
+ txmsg_start_push = 4096;
+ txmsg_end_push = 4096;
+ test_send_large(opt, cgrp);
- /* Test start/end with end > data */
- txmsg_start = 0;
- txmsg_end = 1601;
- txmsg_start_push = 0;
- txmsg_end_push = 1601;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+ /* Test push + redirect */
+ txmsg_redir = 1;
+ txmsg_start_push = 1;
+ txmsg_end_push = 2;
+ test_send_many(opt, cgrp);
- /* Test start/end with start > data */
- txmsg_start = 1601;
- txmsg_end = 1600;
- txmsg_start_push = 1601;
- txmsg_end_push = 1600;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+ /* Test push + cork */
+ txmsg_redir = 0;
+ txmsg_cork = 512;
+ txmsg_start_push = 1;
+ txmsg_end_push = 2;
+ test_send_many(opt, cgrp);
+}
- /* Test pop with start > data */
- txmsg_start_pop = 1601;
- txmsg_pop = 1;
- err = test_exec(cgrp, &opt);
- if (err)
- goto out;
+static void test_txmsg_push_pop(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_start_push = 1;
+ txmsg_end_push = 10;
+ txmsg_start_pop = 5;
+ txmsg_pop = 4;
+ test_send_large(opt, cgrp);
+}
- /* Test pop with pop range > data */
- txmsg_start_pop = 1599;
- txmsg_pop = 10;
- err = test_exec(cgrp, &opt);
-out:
- txmsg_start = 0;
- txmsg_end = 0;
- sched_yield();
- return err;
+static void test_txmsg_apply(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1;
+ txmsg_cork = 0;
+ test_send_one(opt, cgrp);
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 1;
+ txmsg_cork = 0;
+ test_send_one(opt, cgrp);
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1024;
+ txmsg_cork = 0;
+ test_send_large(opt, cgrp);
+
+ txmsg_pass = 0;
+ txmsg_redir = 1;
+ txmsg_apply = 1024;
+ txmsg_cork = 0;
+ test_send_large(opt, cgrp);
+}
+
+static void test_txmsg_cork(int cgrp, struct sockmap_options *opt)
+{
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 0;
+ txmsg_cork = 1;
+ test_send(opt, cgrp);
+
+ txmsg_pass = 1;
+ txmsg_redir = 0;
+ txmsg_apply = 1;
+ txmsg_cork = 1;
+ test_send(opt, cgrp);
}
char *map_names[] = {
@@ -1589,11 +1659,13 @@ char *map_names[] = {
"sock_bytes",
"sock_redir_flags",
"sock_skb_opts",
+ "tls_sock_map",
};
int prog_attach_type[] = {
BPF_SK_SKB_STREAM_PARSER,
BPF_SK_SKB_STREAM_VERDICT,
+ BPF_SK_SKB_STREAM_VERDICT,
BPF_CGROUP_SOCK_OPS,
BPF_SK_MSG_VERDICT,
BPF_SK_MSG_VERDICT,
@@ -1607,6 +1679,7 @@ int prog_attach_type[] = {
int prog_type[] = {
BPF_PROG_TYPE_SK_SKB,
BPF_PROG_TYPE_SK_SKB,
+ BPF_PROG_TYPE_SK_SKB,
BPF_PROG_TYPE_SOCK_OPS,
BPF_PROG_TYPE_SK_MSG,
BPF_PROG_TYPE_SK_MSG,
@@ -1662,73 +1735,117 @@ static int populate_progs(char *bpf_file)
return 0;
}
-static int __test_suite(int cg_fd, char *bpf_file)
+struct _test test[] = {
+ {"txmsg test passthrough", test_txmsg_pass},
+ {"txmsg test redirect", test_txmsg_redir},
+ {"txmsg test drop", test_txmsg_drop},
+ {"txmsg test ingress redirect", test_txmsg_ingress_redir},
+ {"txmsg test skb", test_txmsg_skb},
+ {"txmsg test apply", test_txmsg_apply},
+ {"txmsg test cork", test_txmsg_cork},
+ {"txmsg test hanging corks", test_txmsg_cork_hangs},
+ {"txmsg test push_data", test_txmsg_push},
+ {"txmsg test pull-data", test_txmsg_pull},
+ {"txmsg test pop-data", test_txmsg_pop},
+ {"txmsg test push/pop data", test_txmsg_push_pop},
+};
+
+static int check_whitelist(struct _test *t, struct sockmap_options *opt)
{
- int err, cleanup = cg_fd;
+ char *entry, *ptr;
+
+ if (!opt->whitelist)
+ return 0;
+ ptr = strdup(opt->whitelist);
+ if (!ptr)
+ return -ENOMEM;
+ entry = strtok(ptr, ",");
+ while (entry) {
+ if ((opt->prepend && strstr(opt->prepend, entry) != 0) ||
+ strstr(opt->map, entry) != 0 ||
+ strstr(t->title, entry) != 0)
+ return 0;
+ entry = strtok(NULL, ",");
+ }
+ return -EINVAL;
+}
- err = populate_progs(bpf_file);
+static int check_blacklist(struct _test *t, struct sockmap_options *opt)
+{
+ char *entry, *ptr;
+
+ if (!opt->blacklist)
+ return -EINVAL;
+ ptr = strdup(opt->blacklist);
+ if (!ptr)
+ return -ENOMEM;
+ entry = strtok(ptr, ",");
+ while (entry) {
+ if ((opt->prepend && strstr(opt->prepend, entry) != 0) ||
+ strstr(opt->map, entry) != 0 ||
+ strstr(t->title, entry) != 0)
+ return 0;
+ entry = strtok(NULL, ",");
+ }
+ return -EINVAL;
+}
+
+static int __test_selftests(int cg_fd, struct sockmap_options *opt)
+{
+ int i, err;
+
+ err = populate_progs(opt->map);
if (err < 0) {
fprintf(stderr, "ERROR: (%i) load bpf failed\n", err);
return err;
}
- if (cg_fd < 0) {
- if (setup_cgroup_environment()) {
- fprintf(stderr, "ERROR: cgroup env failed\n");
- return -EINVAL;
- }
+ /* Tests basic commands and APIs */
+ for (i = 0; i < sizeof(test)/sizeof(struct _test); i++) {
+ struct _test t = test[i];
- cg_fd = create_and_get_cgroup(CG_PATH);
- if (cg_fd < 0) {
- fprintf(stderr,
- "ERROR: (%i) open cg path failed: %s\n",
- cg_fd, optarg);
- return cg_fd;
- }
+ if (check_whitelist(&t, opt) != 0)
+ continue;
+ if (check_blacklist(&t, opt) == 0)
+ continue;
- if (join_cgroup(CG_PATH)) {
- fprintf(stderr, "ERROR: failed to join cgroup\n");
- return -EINVAL;
- }
+ test_start_subtest(&t, opt);
+ t.tester(cg_fd, opt);
+ test_end_subtest();
}
- /* Tests basic commands and APIs with range of iov values */
- txmsg_start = txmsg_end = txmsg_start_push = txmsg_end_push = 0;
- err = test_txmsg(cg_fd);
- if (err)
- goto out;
+ return err;
+}
- /* Tests interesting combinations of APIs used together */
- err = test_mixed(cg_fd);
- if (err)
- goto out;
+static void test_selftests_sockmap(int cg_fd, struct sockmap_options *opt)
+{
+ opt->map = BPF_SOCKMAP_FILENAME;
+ __test_selftests(cg_fd, opt);
+}
- /* Tests pull_data API using start/end API */
- err = test_start_end(cg_fd);
- if (err)
- goto out;
+static void test_selftests_sockhash(int cg_fd, struct sockmap_options *opt)
+{
+ opt->map = BPF_SOCKHASH_FILENAME;
+ __test_selftests(cg_fd, opt);
+}
-out:
- printf("Summary: %i PASSED %i FAILED\n", passed, failed);
- if (cleanup < 0) {
- cleanup_cgroup_environment();
- close(cg_fd);
- }
- return err;
+static void test_selftests_ktls(int cg_fd, struct sockmap_options *opt)
+{
+ opt->map = BPF_SOCKHASH_FILENAME;
+ opt->prepend = "ktls";
+ ktls = 1;
+ __test_selftests(cg_fd, opt);
+ ktls = 0;
}
-static int test_suite(int cg_fd)
+static int test_selftest(int cg_fd, struct sockmap_options *opt)
{
- int err;
- err = __test_suite(cg_fd, BPF_SOCKMAP_FILENAME);
- if (err)
- goto out;
- err = __test_suite(cg_fd, BPF_SOCKHASH_FILENAME);
-out:
- if (cg_fd > -1)
- close(cg_fd);
- return err;
+ test_selftests_sockmap(cg_fd, opt);
+ test_selftests_sockhash(cg_fd, opt);
+ test_selftests_ktls(cg_fd, opt);
+ test_print_results();
+ return 0;
}
int main(int argc, char **argv)
@@ -1737,12 +1854,10 @@ int main(int argc, char **argv)
struct sockmap_options options = {0};
int opt, longindex, err, cg_fd = 0;
char *bpf_file = BPF_SOCKMAP_FILENAME;
- int test = PING_PONG;
-
- if (argc < 2)
- return test_suite(-1);
+ int test = SELFTESTS;
+ bool cg_created = 0;
- while ((opt = getopt_long(argc, argv, ":dhvc:r:i:l:t:p:q:",
+ while ((opt = getopt_long(argc, argv, ":dhv:c:r:i:l:t:p:q:n:b:",
long_options, &longindex)) != -1) {
switch (opt) {
case 's':
@@ -1783,6 +1898,8 @@ int main(int argc, char **argv)
break;
case 'v':
options.verbose = 1;
+ if (optarg)
+ options.verbose = atoi(optarg);
break;
case 'i':
iov_count = atoi(optarg);
@@ -1809,6 +1926,15 @@ int main(int argc, char **argv)
return -1;
}
break;
+ case 'n':
+ options.whitelist = strdup(optarg);
+ if (!options.whitelist)
+ return -ENOMEM;
+ break;
+ case 'b':
+ options.blacklist = strdup(optarg);
+ if (!options.blacklist)
+ return -ENOMEM;
case 0:
break;
case 'h':
@@ -1818,13 +1944,30 @@ int main(int argc, char **argv)
}
}
- if (argc <= 3 && cg_fd)
- return test_suite(cg_fd);
-
if (!cg_fd) {
- fprintf(stderr, "%s requires cgroup option: --cgroup <path>\n",
- argv[0]);
- return -1;
+ if (setup_cgroup_environment()) {
+ fprintf(stderr, "ERROR: cgroup env failed\n");
+ return -EINVAL;
+ }
+
+ cg_fd = create_and_get_cgroup(CG_PATH);
+ if (cg_fd < 0) {
+ fprintf(stderr,
+ "ERROR: (%i) open cg path failed: %s\n",
+ cg_fd, strerror(errno));
+ return cg_fd;
+ }
+
+ if (join_cgroup(CG_PATH)) {
+ fprintf(stderr, "ERROR: failed to join cgroup\n");
+ return -EINVAL;
+ }
+ cg_created = 1;
+ }
+
+ if (test == SELFTESTS) {
+ err = test_selftest(cg_fd, &options);
+ goto out;
}
err = populate_progs(bpf_file);
@@ -1843,6 +1986,13 @@ int main(int argc, char **argv)
options.rate = rate;
err = run_options(&options, cg_fd, test);
+out:
+ if (options.whitelist)
+ free(options.whitelist);
+ if (options.blacklist)
+ free(options.blacklist);
+ if (cg_created)
+ cleanup_cgroup_environment();
close(cg_fd);
return err;
}
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 87eaa49609a0..78a6bae56ea6 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -50,7 +50,7 @@
#define MAX_INSNS BPF_MAXINSNS
#define MAX_TEST_INSNS 1000000
#define MAX_FIXUPS 8
-#define MAX_NR_MAPS 19
+#define MAX_NR_MAPS 20
#define MAX_TEST_RUNS 8
#define POINTER_VALUE 0xcafe4all
#define TEST_DATA_LEN 64
@@ -86,6 +86,7 @@ struct bpf_test {
int fixup_map_array_small[MAX_FIXUPS];
int fixup_sk_storage_map[MAX_FIXUPS];
int fixup_map_event_output[MAX_FIXUPS];
+ int fixup_map_reuseport_array[MAX_FIXUPS];
const char *errstr;
const char *errstr_unpriv;
uint32_t insn_processed;
@@ -637,6 +638,7 @@ static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
int *fixup_map_array_small = test->fixup_map_array_small;
int *fixup_sk_storage_map = test->fixup_sk_storage_map;
int *fixup_map_event_output = test->fixup_map_event_output;
+ int *fixup_map_reuseport_array = test->fixup_map_reuseport_array;
if (test->fill_helper) {
test->fill_insns = calloc(MAX_TEST_INSNS, sizeof(struct bpf_insn));
@@ -806,12 +808,28 @@ static void do_test_fixup(struct bpf_test *test, enum bpf_prog_type prog_type,
fixup_map_event_output++;
} while (*fixup_map_event_output);
}
+ if (*fixup_map_reuseport_array) {
+ map_fds[19] = __create_map(BPF_MAP_TYPE_REUSEPORT_SOCKARRAY,
+ sizeof(u32), sizeof(u64), 1, 0);
+ do {
+ prog[*fixup_map_reuseport_array].imm = map_fds[19];
+ fixup_map_reuseport_array++;
+ } while (*fixup_map_reuseport_array);
+ }
}
+struct libcap {
+ struct __user_cap_header_struct hdr;
+ struct __user_cap_data_struct data[2];
+};
+
static int set_admin(bool admin)
{
cap_t caps;
- const cap_value_t cap_val = CAP_SYS_ADMIN;
+ /* need CAP_BPF, CAP_NET_ADMIN, CAP_PERFMON to load progs */
+ const cap_value_t cap_net_admin = CAP_NET_ADMIN;
+ const cap_value_t cap_sys_admin = CAP_SYS_ADMIN;
+ struct libcap *cap;
int ret = -1;
caps = cap_get_proc();
@@ -819,11 +837,26 @@ static int set_admin(bool admin)
perror("cap_get_proc");
return -1;
}
- if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_val,
+ cap = (struct libcap *)caps;
+ if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_sys_admin, CAP_CLEAR)) {
+ perror("cap_set_flag clear admin");
+ goto out;
+ }
+ if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_net_admin,
admin ? CAP_SET : CAP_CLEAR)) {
- perror("cap_set_flag");
+ perror("cap_set_flag set_or_clear net");
goto out;
}
+ /* libcap is likely old and simply ignores CAP_BPF and CAP_PERFMON,
+ * so update effective bits manually
+ */
+ if (admin) {
+ cap->data[1].effective |= 1 << (38 /* CAP_PERFMON */ - 32);
+ cap->data[1].effective |= 1 << (39 /* CAP_BPF */ - 32);
+ } else {
+ cap->data[1].effective &= ~(1 << (38 - 32));
+ cap->data[1].effective &= ~(1 << (39 - 32));
+ }
if (cap_set_proc(caps)) {
perror("cap_set_proc");
goto out;
@@ -943,7 +976,12 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
attr.insns = prog;
attr.insns_cnt = prog_len;
attr.license = "GPL";
- attr.log_level = verbose || expected_ret == VERBOSE_ACCEPT ? 1 : 4;
+ if (verbose)
+ attr.log_level = 1;
+ else if (expected_ret == VERBOSE_ACCEPT)
+ attr.log_level = 2;
+ else
+ attr.log_level = 4;
attr.prog_flags = pflags;
fd_prog = bpf_load_program_xattr(&attr, bpf_vlog, sizeof(bpf_vlog));
@@ -1052,9 +1090,11 @@ fail_log:
static bool is_admin(void)
{
+ cap_flag_value_t net_priv = CAP_CLEAR;
+ bool perfmon_priv = false;
+ bool bpf_priv = false;
+ struct libcap *cap;
cap_t caps;
- cap_flag_value_t sysadmin = CAP_CLEAR;
- const cap_value_t cap_val = CAP_SYS_ADMIN;
#ifdef CAP_IS_SUPPORTED
if (!CAP_IS_SUPPORTED(CAP_SETFCAP)) {
@@ -1067,11 +1107,14 @@ static bool is_admin(void)
perror("cap_get_proc");
return false;
}
- if (cap_get_flag(caps, cap_val, CAP_EFFECTIVE, &sysadmin))
- perror("cap_get_flag");
+ cap = (struct libcap *)caps;
+ bpf_priv = cap->data[1].effective & (1 << (39/* CAP_BPF */ - 32));
+ perfmon_priv = cap->data[1].effective & (1 << (38/* CAP_PERFMON */ - 32));
+ if (cap_get_flag(caps, CAP_NET_ADMIN, CAP_EFFECTIVE, &net_priv))
+ perror("cap_get_flag NET");
if (cap_free(caps))
perror("cap_free");
- return (sysadmin == CAP_SET);
+ return bpf_priv && perfmon_priv && net_priv == CAP_SET;
}
static void get_unpriv_disabled()
diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c
new file mode 100644
index 000000000000..0af6337a8962
--- /dev/null
+++ b/tools/testing/selftests/bpf/testing_helpers.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+/* Copyright (C) 2020 Facebook, Inc. */
+#include <stdlib.h>
+#include <errno.h>
+#include "testing_helpers.h"
+
+int parse_num_list(const char *s, bool **num_set, int *num_set_len)
+{
+ int i, set_len = 0, new_len, num, start = 0, end = -1;
+ bool *set = NULL, *tmp, parsing_end = false;
+ char *next;
+
+ while (s[0]) {
+ errno = 0;
+ num = strtol(s, &next, 10);
+ if (errno)
+ return -errno;
+
+ if (parsing_end)
+ end = num;
+ else
+ start = num;
+
+ if (!parsing_end && *next == '-') {
+ s = next + 1;
+ parsing_end = true;
+ continue;
+ } else if (*next == ',') {
+ parsing_end = false;
+ s = next + 1;
+ end = num;
+ } else if (*next == '\0') {
+ parsing_end = false;
+ s = next;
+ end = num;
+ } else {
+ return -EINVAL;
+ }
+
+ if (start > end)
+ return -EINVAL;
+
+ if (end + 1 > set_len) {
+ new_len = end + 1;
+ tmp = realloc(set, new_len);
+ if (!tmp) {
+ free(set);
+ return -ENOMEM;
+ }
+ for (i = set_len; i < start; i++)
+ tmp[i] = false;
+ set = tmp;
+ set_len = new_len;
+ }
+ for (i = start; i <= end; i++)
+ set[i] = true;
+ }
+
+ if (!set)
+ return -EINVAL;
+
+ *num_set = set;
+ *num_set_len = set_len;
+
+ return 0;
+}
diff --git a/tools/testing/selftests/bpf/testing_helpers.h b/tools/testing/selftests/bpf/testing_helpers.h
new file mode 100644
index 000000000000..923b51762759
--- /dev/null
+++ b/tools/testing/selftests/bpf/testing_helpers.h
@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
+/* Copyright (C) 2020 Facebook, Inc. */
+#include <stdbool.h>
+
+int parse_num_list(const char *s, bool **set, int *set_len);
diff --git a/tools/testing/selftests/bpf/verifier/and.c b/tools/testing/selftests/bpf/verifier/and.c
index e0fad1548737..d781bc86e100 100644
--- a/tools/testing/selftests/bpf/verifier/and.c
+++ b/tools/testing/selftests/bpf/verifier/and.c
@@ -15,7 +15,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -44,7 +44,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
diff --git a/tools/testing/selftests/bpf/verifier/array_access.c b/tools/testing/selftests/bpf/verifier/array_access.c
index f3c33e128709..1c4b1939f5a8 100644
--- a/tools/testing/selftests/bpf/verifier/array_access.c
+++ b/tools/testing/selftests/bpf/verifier/array_access.c
@@ -117,7 +117,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -137,7 +137,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R0 unbounded memory access, make sure to bounds check any array access into a map",
+ .errstr = "R0 unbounded memory access, make sure to bounds check any such access",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
diff --git a/tools/testing/selftests/bpf/verifier/bounds.c b/tools/testing/selftests/bpf/verifier/bounds.c
index a253a064e6e0..4d6645f2874c 100644
--- a/tools/testing/selftests/bpf/verifier/bounds.c
+++ b/tools/testing/selftests/bpf/verifier/bounds.c
@@ -20,7 +20,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT,
},
{
@@ -146,7 +146,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result = REJECT
},
{
@@ -238,7 +238,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
/* r1 = [0x00, 0xff] */
BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
@@ -253,10 +253,6 @@
* [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
*/
BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = 0 or
- * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
/* error on OOB pointer computation */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
/* exit */
@@ -265,8 +261,10 @@
},
.fixup_map_hash_8b = { 3 },
/* not actually fully unbounded, but the bound is very high */
- .errstr = "value 72057594021150720 makes map_value pointer be out of bounds",
- .result = REJECT
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds, pointer arithmetic with it prohibited for !root",
+ .result_unpriv = REJECT,
+ .errstr = "value -4294967168 makes map_value pointer be out of bounds",
+ .result = REJECT,
},
{
"bounds check after truncation of boundary-crossing range (2)",
@@ -276,7 +274,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
BPF_LD_MAP_FD(BPF_REG_1, 0),
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 9),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 8),
/* r1 = [0x00, 0xff] */
BPF_LDX_MEM(BPF_B, BPF_REG_1, BPF_REG_0, 0),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 0xffffff80 >> 1),
@@ -293,10 +291,6 @@
* [0xffff'ffff'0000'0080, 0xffff'ffff'ffff'ffff]
*/
BPF_ALU64_IMM(BPF_SUB, BPF_REG_1, 0xffffff80 >> 1),
- /* r1 = 0 or
- * [0x00ff'ffff'ff00'0000, 0x00ff'ffff'ffff'ffff]
- */
- BPF_ALU64_IMM(BPF_RSH, BPF_REG_1, 8),
/* error on OOB pointer computation */
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
/* exit */
@@ -305,8 +299,10 @@
},
.fixup_map_hash_8b = { 3 },
/* not actually fully unbounded, but the bound is very high */
- .errstr = "value 72057594021150720 makes map_value pointer be out of bounds",
- .result = REJECT
+ .errstr_unpriv = "R1 has unknown scalar with mixed signed bounds, pointer arithmetic with it prohibited for !root",
+ .result_unpriv = REJECT,
+ .errstr = "value -4294967168 makes map_value pointer be out of bounds",
+ .result = REJECT,
},
{
"bounds check after wrapping 32-bit addition",
@@ -358,7 +354,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
- .errstr = "R0 max value is outside of the array range",
+ .errstr = "R0 max value is outside of the allowed memory range",
.result = REJECT
},
{
@@ -539,3 +535,25 @@
},
.result = ACCEPT
},
+{
+ "assigning 32bit bounds to 64bit for wA = 0, wB = wA",
+ .insns = {
+ BPF_LDX_MEM(BPF_W, BPF_REG_8, BPF_REG_1,
+ offsetof(struct __sk_buff, data_end)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_7, BPF_REG_1,
+ offsetof(struct __sk_buff, data)),
+ BPF_MOV32_IMM(BPF_REG_9, 0),
+ BPF_MOV32_REG(BPF_REG_2, BPF_REG_9),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_7),
+ BPF_ALU64_REG(BPF_ADD, BPF_REG_6, BPF_REG_2),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_6),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, 8),
+ BPF_JMP_REG(BPF_JGT, BPF_REG_3, BPF_REG_8, 1),
+ BPF_LDX_MEM(BPF_W, BPF_REG_5, BPF_REG_6, 0),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/calls.c b/tools/testing/selftests/bpf/verifier/calls.c
index 2d752c4f8d9d..94258c6b5235 100644
--- a/tools/testing/selftests/bpf/verifier/calls.c
+++ b/tools/testing/selftests/bpf/verifier/calls.c
@@ -19,7 +19,7 @@
BPF_MOV64_IMM(BPF_REG_0, 2),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 1,
@@ -105,7 +105,7 @@
.prog_type = BPF_PROG_TYPE_SCHED_CLS,
.fixup_map_hash_8b = { 16 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
},
{
"calls: overlapping caller/callee",
@@ -315,7 +315,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = POINTER_VALUE,
@@ -346,7 +346,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_2),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = TEST_DATA_LEN + TEST_DATA_LEN - ETH_HLEN - ETH_HLEN,
@@ -397,7 +397,7 @@
BPF_MOV64_IMM(BPF_REG_0, 1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.fixup_map_hash_48b = { 3 },
.result_unpriv = REJECT,
.result = ACCEPT,
@@ -1064,7 +1064,7 @@
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "allowed for root only",
+ .errstr_unpriv = "allowed for",
.result_unpriv = REJECT,
.errstr = "R0 !read_ok",
.result = REJECT,
@@ -1977,7 +1977,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
},
@@ -2003,7 +2003,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.errstr = "!read_ok",
.result = REJECT,
},
@@ -2028,7 +2028,7 @@
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.errstr = "!read_ok",
.result = REJECT,
},
diff --git a/tools/testing/selftests/bpf/verifier/const_or.c b/tools/testing/selftests/bpf/verifier/const_or.c
index 84446dfc7c1d..6c214c58e8d4 100644
--- a/tools/testing/selftests/bpf/verifier/const_or.c
+++ b/tools/testing/selftests/bpf/verifier/const_or.c
@@ -6,7 +6,7 @@
BPF_MOV64_IMM(BPF_REG_2, 34),
BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 13),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -20,7 +20,7 @@
BPF_MOV64_IMM(BPF_REG_2, 34),
BPF_ALU64_IMM(BPF_OR, BPF_REG_2, 24),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid stack type R1 off=-48 access_size=58",
@@ -36,7 +36,7 @@
BPF_MOV64_IMM(BPF_REG_4, 13),
BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -51,7 +51,7 @@
BPF_MOV64_IMM(BPF_REG_4, 24),
BPF_ALU64_REG(BPF_OR, BPF_REG_2, BPF_REG_4),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid stack type R1 off=-48 access_size=58",
diff --git a/tools/testing/selftests/bpf/verifier/dead_code.c b/tools/testing/selftests/bpf/verifier/dead_code.c
index 50a8a63be4ac..5cf361d8eb1c 100644
--- a/tools/testing/selftests/bpf/verifier/dead_code.c
+++ b/tools/testing/selftests/bpf/verifier/dead_code.c
@@ -85,7 +85,7 @@
BPF_MOV64_IMM(BPF_REG_0, 12),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -103,7 +103,7 @@
BPF_MOV64_IMM(BPF_REG_0, 12),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -121,7 +121,7 @@
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, -5),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 7,
@@ -137,7 +137,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
@@ -152,7 +152,7 @@
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
BPF_EXIT_INSN(),
},
- .errstr_unpriv = "function calls to other bpf functions are allowed for root only",
+ .errstr_unpriv = "function calls to other bpf functions are allowed for",
.result_unpriv = REJECT,
.result = ACCEPT,
.retval = 2,
diff --git a/tools/testing/selftests/bpf/verifier/direct_value_access.c b/tools/testing/selftests/bpf/verifier/direct_value_access.c
index b9fb28e8e224..988f46a1a4c7 100644
--- a/tools/testing/selftests/bpf/verifier/direct_value_access.c
+++ b/tools/testing/selftests/bpf/verifier/direct_value_access.c
@@ -68,7 +68,7 @@
},
.fixup_map_array_48b = { 1 },
.result = REJECT,
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
},
{
"direct map access, write test 7",
@@ -220,7 +220,7 @@
},
.fixup_map_array_small = { 1 },
.result = REJECT,
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
},
{
"direct map access, write test 19",
diff --git a/tools/testing/selftests/bpf/verifier/event_output.c b/tools/testing/selftests/bpf/verifier/event_output.c
index 130553e19eca..99f8f582c02b 100644
--- a/tools/testing/selftests/bpf/verifier/event_output.c
+++ b/tools/testing/selftests/bpf/verifier/event_output.c
@@ -92,3 +92,27 @@
.result = ACCEPT,
.retval = 1,
},
+{
+ "perfevent for cgroup dev",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_DEVICE,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "perfevent for cgroup sysctl",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SYSCTL,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
+{
+ "perfevent for cgroup sockopt",
+ .insns = { __PERF_EVENT_INSNS__ },
+ .prog_type = BPF_PROG_TYPE_CGROUP_SOCKOPT,
+ .fixup_map_event_output = { 4 },
+ .result = ACCEPT,
+ .retval = 1,
+},
diff --git a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
index 67ab12410050..87c4e7900083 100644
--- a/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
+++ b/tools/testing/selftests/bpf/verifier/helper_access_var_len.c
@@ -19,7 +19,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -36,7 +36,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 64),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "invalid indirect read from stack off -64+0 size 64",
@@ -55,7 +55,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -84,7 +84,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -112,7 +112,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -132,7 +132,7 @@
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 3),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -152,7 +152,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -171,7 +171,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -190,7 +190,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 64, 3),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -208,7 +208,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_1, -128),
BPF_JMP_IMM(BPF_JSGT, BPF_REG_2, 64, 3),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -233,7 +233,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -259,7 +259,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -286,7 +286,7 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -313,12 +313,12 @@
BPF_MOV64_IMM(BPF_REG_4, 0),
BPF_JMP_REG(BPF_JSGE, BPF_REG_4, BPF_REG_2, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 4 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -468,7 +468,7 @@
BPF_MOV64_IMM(BPF_REG_1, 0),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "R1 type=inv expected=fp",
@@ -481,7 +481,7 @@
BPF_MOV64_IMM(BPF_REG_1, 0),
BPF_MOV64_IMM(BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.errstr = "R1 type=inv expected=fp",
@@ -495,7 +495,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
@@ -513,7 +513,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, 0),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -534,7 +534,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_10),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -554,7 +554,7 @@
BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0),
BPF_JMP_IMM(BPF_JGT, BPF_REG_2, 8, 2),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_8b = { 3 },
@@ -580,7 +580,7 @@
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 63),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_EXIT_INSN(),
},
@@ -607,7 +607,7 @@
BPF_ALU64_IMM(BPF_AND, BPF_REG_2, 32),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 32),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_LDX_MEM(BPF_DW, BPF_REG_1, BPF_REG_10, -16),
BPF_EXIT_INSN(),
},
diff --git a/tools/testing/selftests/bpf/verifier/helper_value_access.c b/tools/testing/selftests/bpf/verifier/helper_value_access.c
index 7572e403ddb9..1c7882ddfa63 100644
--- a/tools/testing/selftests/bpf/verifier/helper_value_access.c
+++ b/tools/testing/selftests/bpf/verifier/helper_value_access.c
@@ -10,7 +10,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -29,7 +29,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -67,7 +67,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, sizeof(struct test_val) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -87,7 +87,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -109,7 +109,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -129,7 +129,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -170,7 +170,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -191,7 +191,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -212,7 +212,7 @@
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -235,7 +235,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -256,7 +256,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -280,7 +280,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -300,7 +300,7 @@
sizeof(struct test_val) -
offsetof(struct test_val, foo) + 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -322,7 +322,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -344,7 +344,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, -1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -368,7 +368,7 @@
BPF_MOV64_IMM(BPF_REG_2,
sizeof(struct test_val) - offsetof(struct test_val, foo)),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -390,7 +390,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -415,7 +415,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
- .errstr = "R1 min value is outside of the array range",
+ .errstr = "R1 min value is outside of the allowed memory range",
.result = REJECT,
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
@@ -433,7 +433,7 @@
BPF_ALU64_REG(BPF_ADD, BPF_REG_1, BPF_REG_3),
BPF_MOV64_IMM(BPF_REG_2, 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -458,7 +458,7 @@
sizeof(struct test_val) -
offsetof(struct test_val, foo) + 1),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
@@ -926,7 +926,7 @@
},
.fixup_map_hash_16b = { 3, 10 },
.result = REJECT,
- .errstr = "R2 unbounded memory access, make sure to bounds check any array access into a map",
+ .errstr = "R2 unbounded memory access, make sure to bounds check any such access",
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
},
{
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c
index 02151f8c940f..6dc8003ffc70 100644
--- a/tools/testing/selftests/bpf/verifier/precise.c
+++ b/tools/testing/selftests/bpf/verifier/precise.c
@@ -31,14 +31,14 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
.fixup_map_array_48b = { 1 },
.result = VERBOSE_ACCEPT,
.errstr =
- "26: (85) call bpf_probe_read#4\
+ "26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 20\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\
@@ -91,7 +91,7 @@
BPF_MOV64_REG(BPF_REG_1, BPF_REG_FP),
BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -8),
BPF_MOV64_IMM(BPF_REG_3, 0),
- BPF_EMIT_CALL(BPF_FUNC_probe_read),
+ BPF_EMIT_CALL(BPF_FUNC_probe_read_kernel),
BPF_EXIT_INSN(),
},
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
@@ -99,7 +99,7 @@
.result = VERBOSE_ACCEPT,
.flags = BPF_F_TEST_STATE_FREQ,
.errstr =
- "26: (85) call bpf_probe_read#4\
+ "26: (85) call bpf_probe_read_kernel#113\
last_idx 26 first_idx 22\
regs=4 stack=0 before 25\
regs=4 stack=0 before 24\
diff --git a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
index da7a4b37cb98..fc4e301260f6 100644
--- a/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
+++ b/tools/testing/selftests/bpf/verifier/prevent_map_lookup.c
@@ -1,34 +1,4 @@
{
- "prevent map lookup in sockmap",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockmap = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 15 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
-},
-{
- "prevent map lookup in sockhash",
- .insns = {
- BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
- BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
- BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
- BPF_LD_MAP_FD(BPF_REG_1, 0),
- BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
- BPF_EXIT_INSN(),
- },
- .fixup_map_sockhash = { 3 },
- .result = REJECT,
- .errstr = "cannot pass map_type 18 into func bpf_map_lookup_elem",
- .prog_type = BPF_PROG_TYPE_SOCK_OPS,
-},
-{
"prevent map lookup in stack trace",
.insns = {
BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0),
diff --git a/tools/testing/selftests/bpf/verifier/ref_tracking.c b/tools/testing/selftests/bpf/verifier/ref_tracking.c
index 604b46151736..056e0273bf12 100644
--- a/tools/testing/selftests/bpf/verifier/ref_tracking.c
+++ b/tools/testing/selftests/bpf/verifier/ref_tracking.c
@@ -821,3 +821,36 @@
.result = REJECT,
.errstr = "invalid mem access",
},
+{
+ "reference tracking: branch tracking valid pointer null comparison",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
+{
+ "reference tracking: branch tracking valid pointer value comparison",
+ .insns = {
+ BPF_SK_LOOKUP(sk_lookup_tcp),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_MOV64_IMM(BPF_REG_3, 1),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 4),
+ BPF_MOV64_IMM(BPF_REG_3, 0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 1234, 2),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_6),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .errstr = "Unreleased reference",
+ .result = REJECT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/sock.c b/tools/testing/selftests/bpf/verifier/sock.c
index 9ed192e14f5f..b1aac2641498 100644
--- a/tools/testing/selftests/bpf/verifier/sock.c
+++ b/tools/testing/selftests/bpf/verifier/sock.c
@@ -222,7 +222,7 @@
BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
- BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, state)),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetofend(struct bpf_sock, rx_queue_mapping)),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
@@ -516,3 +516,118 @@
.prog_type = BPF_PROG_TYPE_XDP,
.result = ACCEPT,
},
+{
+ "bpf_map_lookup_elem(sockmap, &key)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = REJECT,
+ .errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+ "bpf_map_lookup_elem(sockhash, &key)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = REJECT,
+ .errstr = "Unreleased reference id=2 alloc_insn=5",
+},
+{
+ "bpf_map_lookup_elem(sockmap, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_map_lookup_elem(sockhash, &key); sk->type [fullsock field]; bpf_sk_release(sk)",
+ .insns = {
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -4),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_0, offsetof(struct bpf_sock, type)),
+ BPF_EMIT_CALL(BPF_FUNC_sk_release),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockhash = { 3 },
+ .prog_type = BPF_PROG_TYPE_SK_SKB,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, reuseport_array, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_reuseport_array = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, sockmap, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
+{
+ "bpf_sk_select_reuseport(ctx, sockhash, &key, flags)",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_4, 0),
+ BPF_ST_MEM(BPF_W, BPF_REG_10, -4, 0),
+ BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_3, -4),
+ BPF_LD_MAP_FD(BPF_REG_2, 0),
+ BPF_EMIT_CALL(BPF_FUNC_sk_select_reuseport),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_sockmap = { 4 },
+ .prog_type = BPF_PROG_TYPE_SK_REUSEPORT,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/stack_ptr.c b/tools/testing/selftests/bpf/verifier/stack_ptr.c
index 7276620ef242..8bfeb77c60bd 100644
--- a/tools/testing/selftests/bpf/verifier/stack_ptr.c
+++ b/tools/testing/selftests/bpf/verifier/stack_ptr.c
@@ -315,3 +315,43 @@
},
.result = ACCEPT,
},
+{
+ "store PTR_TO_STACK in R10 to array map using BPF_B",
+ .insns = {
+ /* Load pointer to map. */
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_0, 0, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 2),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_REG(BPF_REG_1, BPF_REG_0),
+ /* Copy R10 to R9. */
+ BPF_MOV64_REG(BPF_REG_9, BPF_REG_10),
+ /* Pollute other registers with unaligned values. */
+ BPF_MOV64_IMM(BPF_REG_2, -1),
+ BPF_MOV64_IMM(BPF_REG_3, -1),
+ BPF_MOV64_IMM(BPF_REG_4, -1),
+ BPF_MOV64_IMM(BPF_REG_5, -1),
+ BPF_MOV64_IMM(BPF_REG_6, -1),
+ BPF_MOV64_IMM(BPF_REG_7, -1),
+ BPF_MOV64_IMM(BPF_REG_8, -1),
+ /* Store both R9 and R10 with BPF_B and read back. */
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_10, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_2, BPF_REG_1, 0),
+ BPF_STX_MEM(BPF_B, BPF_REG_1, BPF_REG_9, 0),
+ BPF_LDX_MEM(BPF_B, BPF_REG_3, BPF_REG_1, 0),
+ /* Should read back as same value. */
+ BPF_JMP_REG(BPF_JEQ, BPF_REG_2, BPF_REG_3, 2),
+ BPF_MOV64_IMM(BPF_REG_0, 1),
+ BPF_EXIT_INSN(),
+ BPF_MOV64_IMM(BPF_REG_0, 42),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_array_48b = { 3 },
+ .result = ACCEPT,
+ .retval = 42,
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_illegal_alu.c b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
index 7f6c232cd842..ed1c2cea1dea 100644
--- a/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
+++ b/tools/testing/selftests/bpf/verifier/value_illegal_alu.c
@@ -88,6 +88,7 @@
BPF_EXIT_INSN(),
},
.fixup_map_hash_48b = { 3 },
+ .errstr_unpriv = "leaking pointer from stack off -8",
.errstr = "R0 invalid mem access 'inv'",
.result = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
diff --git a/tools/testing/selftests/bpf/verifier/value_or_null.c b/tools/testing/selftests/bpf/verifier/value_or_null.c
index 860d4a71cd83..3ecb70a3d939 100644
--- a/tools/testing/selftests/bpf/verifier/value_or_null.c
+++ b/tools/testing/selftests/bpf/verifier/value_or_null.c
@@ -150,3 +150,22 @@
.result_unpriv = REJECT,
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
+{
+ "map lookup and null branch prediction",
+ .insns = {
+ BPF_MOV64_IMM(BPF_REG_1, 10),
+ BPF_STX_MEM(BPF_DW, BPF_REG_10, BPF_REG_1, -8),
+ BPF_MOV64_REG(BPF_REG_2, BPF_REG_10),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8),
+ BPF_LD_MAP_FD(BPF_REG_1, 0),
+ BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_map_lookup_elem),
+ BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_6, 0, 2),
+ BPF_JMP_IMM(BPF_JNE, BPF_REG_6, 0, 1),
+ BPF_ALU64_IMM(BPF_ADD, BPF_REG_10, 10),
+ BPF_EXIT_INSN(),
+ },
+ .fixup_map_hash_8b = { 4 },
+ .prog_type = BPF_PROG_TYPE_SCHED_CLS,
+ .result = ACCEPT,
+},
diff --git a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
index a53d99cebd9f..97ee658e1242 100644
--- a/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
+++ b/tools/testing/selftests/bpf/verifier/value_ptr_arith.c
@@ -50,7 +50,7 @@
.fixup_map_array_48b = { 8 },
.result = ACCEPT,
.result_unpriv = REJECT,
- .errstr_unpriv = "R0 min value is outside of the array range",
+ .errstr_unpriv = "R0 min value is outside of the allowed memory range",
.retval = 1,
},
{
@@ -325,7 +325,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
.result_unpriv = REJECT,
.errstr_unpriv = "R0 pointer arithmetic of map value goes out of range",
},
@@ -601,7 +601,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R1 max value is outside of the array range",
+ .errstr = "R1 max value is outside of the allowed memory range",
.errstr_unpriv = "R1 pointer arithmetic of map value goes out of range",
.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
},
@@ -726,7 +726,7 @@
},
.fixup_map_array_48b = { 3 },
.result = REJECT,
- .errstr = "R0 min value is outside of the array range",
+ .errstr = "R0 min value is outside of the allowed memory range",
},
{
"map access: value_ptr -= known scalar, 2",
diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
index cd5e1f602ac9..909da9cdda97 100644
--- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
+++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c
@@ -351,6 +351,7 @@ static int test_alloc_errors(char *heap_name)
}
printf("Expected error checking passed\n");
+ ret = 0;
out:
if (dmabuf_fd >= 0)
close(dmabuf_fd);
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_acl_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_acl_drops.sh
index 26044e397157..b32ba5fec59d 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_acl_drops.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_acl_drops.sh
@@ -107,7 +107,7 @@ ingress_flow_action_drop_test()
RET=0
- devlink_trap_drop_test ingress_flow_action_drop acl_drops $swp2 101
+ devlink_trap_drop_test ingress_flow_action_drop $swp2 101
log_test "ingress_flow_action_drop"
@@ -132,7 +132,7 @@ egress_flow_action_drop_test()
RET=0
- devlink_trap_drop_test egress_flow_action_drop acl_drops $swp2 102
+ devlink_trap_drop_test egress_flow_action_drop $swp2 102
log_test "egress_flow_action_drop"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh
new file mode 100755
index 000000000000..a37273473c1b
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_control.sh
@@ -0,0 +1,688 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Test devlink-trap control trap functionality over mlxsw. Each registered
+# control packet trap is tested to make sure it is triggered under the right
+# conditions.
+#
+# +---------------------------------+
+# | H1 (vrf) |
+# | + $h1 |
+# | | 192.0.2.1/24 |
+# | | 2001:db8:1::1/64 |
+# | | |
+# | | default via 192.0.2.2 |
+# | | default via 2001:db8:1::2 |
+# +----|----------------------------+
+# |
+# +----|----------------------------------------------------------------------+
+# | SW | |
+# | + $rp1 |
+# | 192.0.2.2/24 |
+# | 2001:db8:1::2/64 |
+# | |
+# | 2001:db8:2::2/64 |
+# | 198.51.100.2/24 |
+# | + $rp2 |
+# | | |
+# +----|----------------------------------------------------------------------+
+# |
+# +----|----------------------------+
+# | | default via 198.51.100.2 |
+# | | default via 2001:db8:2::2 |
+# | | |
+# | | 2001:db8:2::1/64 |
+# | | 198.51.100.1/24 |
+# | + $h2 |
+# | H2 (vrf) |
+# +---------------------------------+
+
+lib_dir=$(dirname $0)/../../../net/forwarding
+
+ALL_TESTS="
+ stp_test
+ lacp_test
+ lldp_test
+ igmp_query_test
+ igmp_v1_report_test
+ igmp_v2_report_test
+ igmp_v3_report_test
+ igmp_v2_leave_test
+ mld_query_test
+ mld_v1_report_test
+ mld_v2_report_test
+ mld_v1_done_test
+ ipv4_dhcp_test
+ ipv6_dhcp_test
+ arp_request_test
+ arp_response_test
+ ipv6_neigh_solicit_test
+ ipv6_neigh_advert_test
+ ipv4_bfd_test
+ ipv6_bfd_test
+ ipv4_ospf_test
+ ipv6_ospf_test
+ ipv4_bgp_test
+ ipv6_bgp_test
+ ipv4_vrrp_test
+ ipv6_vrrp_test
+ ipv4_pim_test
+ ipv6_pim_test
+ uc_loopback_test
+ local_route_test
+ external_route_test
+ ipv6_uc_dip_link_local_scope_test
+ ipv4_router_alert_test
+ ipv6_router_alert_test
+ ipv6_dip_all_nodes_test
+ ipv6_dip_all_routers_test
+ ipv6_router_solicit_test
+ ipv6_router_advert_test
+ ipv6_redirect_test
+ ptp_event_test
+ ptp_general_test
+ flow_action_sample_test
+ flow_action_trap_test
+"
+NUM_NETIFS=4
+source $lib_dir/lib.sh
+source $lib_dir/devlink_lib.sh
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24 2001:db8:1::1/64
+
+ ip -4 route add default vrf v$h1 nexthop via 192.0.2.2
+ ip -6 route add default vrf v$h1 nexthop via 2001:db8:1::2
+}
+
+h1_destroy()
+{
+ ip -6 route del default vrf v$h1 nexthop via 2001:db8:1::2
+ ip -4 route del default vrf v$h1 nexthop via 192.0.2.2
+
+ simple_if_fini $h1 192.0.2.1/24 2001:db8:1::1/64
+}
+
+h2_create()
+{
+ simple_if_init $h2 198.51.100.1/24 2001:db8:2::1/64
+
+ ip -4 route add default vrf v$h2 nexthop via 198.51.100.2
+ ip -6 route add default vrf v$h2 nexthop via 2001:db8:2::2
+}
+
+h2_destroy()
+{
+ ip -6 route del default vrf v$h2 nexthop via 2001:db8:2::2
+ ip -4 route del default vrf v$h2 nexthop via 198.51.100.2
+
+ simple_if_fini $h2 198.51.100.1/24 2001:db8:2::1/64
+}
+
+router_create()
+{
+ ip link set dev $rp1 up
+ ip link set dev $rp2 up
+
+ __addr_add_del $rp1 add 192.0.2.2/24 2001:db8:1::2/64
+ __addr_add_del $rp2 add 198.51.100.2/24 2001:db8:2::2/64
+}
+
+router_destroy()
+{
+ __addr_add_del $rp2 del 198.51.100.2/24 2001:db8:2::2/64
+ __addr_add_del $rp1 del 192.0.2.2/24 2001:db8:1::2/64
+
+ ip link set dev $rp2 down
+ ip link set dev $rp1 down
+}
+
+setup_prepare()
+{
+ h1=${NETIFS[p1]}
+ rp1=${NETIFS[p2]}
+
+ rp2=${NETIFS[p3]}
+ h2=${NETIFS[p4]}
+
+ vrf_prepare
+ forwarding_enable
+
+ h1_create
+ h2_create
+ router_create
+}
+
+cleanup()
+{
+ pre_cleanup
+
+ router_destroy
+ h2_destroy
+ h1_destroy
+
+ forwarding_restore
+ vrf_cleanup
+}
+
+stp_test()
+{
+ devlink_trap_stats_test "STP" "stp" $MZ $h1 -c 1 -t bpdu -q
+}
+
+lacp_payload_get()
+{
+ local source_mac=$1; shift
+ local p
+
+ p=$(:
+ )"01:80:C2:00:00:02:"$( : ETH daddr
+ )"$source_mac:"$( : ETH saddr
+ )"88:09:"$( : ETH type
+ )
+ echo $p
+}
+
+lacp_test()
+{
+ local h1mac=$(mac_get $h1)
+
+ devlink_trap_stats_test "LACP" "lacp" $MZ $h1 -c 1 \
+ $(lacp_payload_get $h1mac) -p 100 -q
+}
+
+lldp_payload_get()
+{
+ local source_mac=$1; shift
+ local p
+
+ p=$(:
+ )"01:80:C2:00:00:0E:"$( : ETH daddr
+ )"$source_mac:"$( : ETH saddr
+ )"88:CC:"$( : ETH type
+ )
+ echo $p
+}
+
+lldp_test()
+{
+ local h1mac=$(mac_get $h1)
+
+ devlink_trap_stats_test "LLDP" "lldp" $MZ $h1 -c 1 \
+ $(lldp_payload_get $h1mac) -p 100 -q
+}
+
+igmp_query_test()
+{
+ # IGMP (IP Protocol 2) Membership Query (Type 0x11)
+ devlink_trap_stats_test "IGMP Membership Query" "igmp_query" \
+ $MZ $h1 -c 1 -a own -b 01:00:5E:00:00:01 \
+ -A 192.0.2.1 -B 224.0.0.1 -t ip proto=2,p=11 -p 100 -q
+}
+
+igmp_v1_report_test()
+{
+ # IGMP (IP Protocol 2) Version 1 Membership Report (Type 0x12)
+ devlink_trap_stats_test "IGMP Version 1 Membership Report" \
+ "igmp_v1_report" $MZ $h1 -c 1 -a own -b 01:00:5E:00:00:01 \
+ -A 192.0.2.1 -B 244.0.0.1 -t ip proto=2,p=12 -p 100 -q
+}
+
+igmp_v2_report_test()
+{
+ # IGMP (IP Protocol 2) Version 2 Membership Report (Type 0x16)
+ devlink_trap_stats_test "IGMP Version 2 Membership Report" \
+ "igmp_v2_report" $MZ $h1 -c 1 -a own -b 01:00:5E:00:00:01 \
+ -A 192.0.2.1 -B 244.0.0.1 -t ip proto=2,p=16 -p 100 -q
+}
+
+igmp_v3_report_test()
+{
+ # IGMP (IP Protocol 2) Version 3 Membership Report (Type 0x22)
+ devlink_trap_stats_test "IGMP Version 3 Membership Report" \
+ "igmp_v3_report" $MZ $h1 -c 1 -a own -b 01:00:5E:00:00:01 \
+ -A 192.0.2.1 -B 244.0.0.1 -t ip proto=2,p=22 -p 100 -q
+}
+
+igmp_v2_leave_test()
+{
+ # IGMP (IP Protocol 2) Version 2 Leave Group (Type 0x17)
+ devlink_trap_stats_test "IGMP Version 2 Leave Group" \
+ "igmp_v2_leave" $MZ $h1 -c 1 -a own -b 01:00:5E:00:00:02 \
+ -A 192.0.2.1 -B 224.0.0.2 -t ip proto=2,p=17 -p 100 -q
+}
+
+mld_payload_get()
+{
+ local type=$1; shift
+ local p
+
+ type=$(printf "%x" $type)
+ p=$(:
+ )"3A:"$( : Next Header - ICMPv6
+ )"00:"$( : Hdr Ext Len
+ )"00:00:00:00:00:00:"$( : Options and Padding
+ )"$type:"$( : ICMPv6.type
+ )"00:"$( : ICMPv6.code
+ )"00:"$( : ICMPv6.checksum
+ )
+ echo $p
+}
+
+mld_query_test()
+{
+ # MLD Multicast Listener Query (Type 130)
+ devlink_trap_stats_test "MLD Multicast Listener Query" "mld_query" \
+ $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::1 \
+ -t ip hop=1,next=0,payload=$(mld_payload_get 130) -p 100 -q
+}
+
+mld_v1_report_test()
+{
+ # MLD Version 1 Multicast Listener Report (Type 131)
+ devlink_trap_stats_test "MLD Version 1 Multicast Listener Report" \
+ "mld_v1_report" $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::16 \
+ -t ip hop=1,next=0,payload=$(mld_payload_get 131) -p 100 -q
+}
+
+mld_v2_report_test()
+{
+ # MLD Version 2 Multicast Listener Report (Type 143)
+ devlink_trap_stats_test "MLD Version 2 Multicast Listener Report" \
+ "mld_v2_report" $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::16 \
+ -t ip hop=1,next=0,payload=$(mld_payload_get 143) -p 100 -q
+}
+
+mld_v1_done_test()
+{
+ # MLD Version 1 Multicast Listener Done (Type 132)
+ devlink_trap_stats_test "MLD Version 1 Multicast Listener Done" \
+ "mld_v1_done" $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::16 \
+ -t ip hop=1,next=0,payload=$(mld_payload_get 132) -p 100 -q
+}
+
+ipv4_dhcp_test()
+{
+ devlink_trap_stats_test "IPv4 DHCP Port 67" "ipv4_dhcp" \
+ $MZ $h1 -c 1 -a own -b bcast -A 0.0.0.0 -B 255.255.255.255 \
+ -t udp sp=68,dp=67 -p 100 -q
+
+ devlink_trap_stats_test "IPv4 DHCP Port 68" "ipv4_dhcp" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) -A 192.0.2.1 \
+ -B 255.255.255.255 -t udp sp=67,dp=68 -p 100 -q
+}
+
+ipv6_dhcp_test()
+{
+ devlink_trap_stats_test "IPv6 DHCP Port 547" "ipv6_dhcp" \
+ $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::1:2 -t udp sp=546,dp=547 \
+ -p 100 -q
+
+ devlink_trap_stats_test "IPv6 DHCP Port 546" "ipv6_dhcp" \
+ $MZ $h1 -6 -c 1 -A fe80::1 -B ff02::1:2 -t udp sp=547,dp=546 \
+ -p 100 -q
+}
+
+arp_request_test()
+{
+ devlink_trap_stats_test "ARP Request" "arp_request" \
+ $MZ $h1 -c 1 -a own -b bcast -t arp request -p 100 -q
+}
+
+arp_response_test()
+{
+ devlink_trap_stats_test "ARP Response" "arp_response" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) -t arp reply -p 100 -q
+}
+
+icmpv6_header_get()
+{
+ local type=$1; shift
+ local p
+
+ type=$(printf "%x" $type)
+ p=$(:
+ )"$type:"$( : ICMPv6.type
+ )"00:"$( : ICMPv6.code
+ )"00:"$( : ICMPv6.checksum
+ )
+ echo $p
+}
+
+ipv6_neigh_solicit_test()
+{
+ devlink_trap_stats_test "IPv6 Neighbour Solicitation" \
+ "ipv6_neigh_solicit" $MZ $h1 -6 -c 1 \
+ -A fe80::1 -B ff02::1:ff00:02 \
+ -t ip hop=1,next=58,payload=$(icmpv6_header_get 135) -p 100 -q
+}
+
+ipv6_neigh_advert_test()
+{
+ devlink_trap_stats_test "IPv6 Neighbour Advertisement" \
+ "ipv6_neigh_advert" $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A fe80::1 -B 2001:db8:1::2 \
+ -t ip hop=1,next=58,payload=$(icmpv6_header_get 136) -p 100 -q
+}
+
+ipv4_bfd_test()
+{
+ devlink_trap_stats_test "IPv4 BFD Control - Port 3784" "ipv4_bfd" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.2 -t udp sp=49153,dp=3784 -p 100 -q
+
+ devlink_trap_stats_test "IPv4 BFD Echo - Port 3785" "ipv4_bfd" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.2 -t udp sp=49153,dp=3785 -p 100 -q
+}
+
+ipv6_bfd_test()
+{
+ devlink_trap_stats_test "IPv6 BFD Control - Port 3784" "ipv6_bfd" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::2 \
+ -t udp sp=49153,dp=3784 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 BFD Echo - Port 3785" "ipv6_bfd" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::2 \
+ -t udp sp=49153,dp=3785 -p 100 -q
+}
+
+ipv4_ospf_test()
+{
+ devlink_trap_stats_test "IPv4 OSPF - Multicast" "ipv4_ospf" \
+ $MZ $h1 -c 1 -a own -b 01:00:5e:00:00:05 \
+ -A 192.0.2.1 -B 224.0.0.5 -t ip proto=89 -p 100 -q
+
+ devlink_trap_stats_test "IPv4 OSPF - Unicast" "ipv4_ospf" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.2 -t ip proto=89 -p 100 -q
+}
+
+ipv6_ospf_test()
+{
+ devlink_trap_stats_test "IPv6 OSPF - Multicast" "ipv6_ospf" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:05 \
+ -A fe80::1 -B ff02::5 -t ip next=89 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 OSPF - Unicast" "ipv6_ospf" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::2 -t ip next=89 -p 100 -q
+}
+
+ipv4_bgp_test()
+{
+ devlink_trap_stats_test "IPv4 BGP" "ipv4_bgp" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.2 -t tcp sp=54321,dp=179,flags=rst \
+ -p 100 -q
+}
+
+ipv6_bgp_test()
+{
+ devlink_trap_stats_test "IPv6 BGP" "ipv6_bgp" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::2 \
+ -t tcp sp=54321,dp=179,flags=rst -p 100 -q
+}
+
+ipv4_vrrp_test()
+{
+ devlink_trap_stats_test "IPv4 VRRP" "ipv4_vrrp" \
+ $MZ $h1 -c 1 -a own -b 01:00:5e:00:00:12 \
+ -A 192.0.2.1 -B 224.0.0.18 -t ip proto=112 -p 100 -q
+}
+
+ipv6_vrrp_test()
+{
+ devlink_trap_stats_test "IPv6 VRRP" "ipv6_vrrp" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:12 \
+ -A fe80::1 -B ff02::12 -t ip next=112 -p 100 -q
+}
+
+ipv4_pim_test()
+{
+ devlink_trap_stats_test "IPv4 PIM - Multicast" "ipv4_pim" \
+ $MZ $h1 -c 1 -a own -b 01:00:5e:00:00:0d \
+ -A 192.0.2.1 -B 224.0.0.13 -t ip proto=103 -p 100 -q
+
+ devlink_trap_stats_test "IPv4 PIM - Unicast" "ipv4_pim" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.2 -t ip proto=103 -p 100 -q
+}
+
+ipv6_pim_test()
+{
+ devlink_trap_stats_test "IPv6 PIM - Multicast" "ipv6_pim" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:0d \
+ -A fe80::1 -B ff02::d -t ip next=103 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 PIM - Unicast" "ipv6_pim" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A fe80::1 -B 2001:db8:1::2 -t ip next=103 -p 100 -q
+}
+
+uc_loopback_test()
+{
+ # Add neighbours to the fake destination IPs, so that the packets are
+ # routed in the device and not trapped due to an unresolved neighbour
+ # exception.
+ ip -4 neigh add 192.0.2.3 lladdr 00:11:22:33:44:55 nud permanent \
+ dev $rp1
+ ip -6 neigh add 2001:db8:1::3 lladdr 00:11:22:33:44:55 nud permanent \
+ dev $rp1
+
+ devlink_trap_stats_test "IPv4 Unicast Loopback" "uc_loopback" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 192.0.2.3 -t udp sp=54321,dp=12345 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 Unicast Loopback" "uc_loopback" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::3 -t udp sp=54321,dp=12345 \
+ -p 100 -q
+
+ ip -6 neigh del 2001:db8:1::3 dev $rp1
+ ip -4 neigh del 192.0.2.3 dev $rp1
+}
+
+local_route_test()
+{
+ # Use a fake source IP to prevent the trap from being triggered twice
+ # when the router sends back a port unreachable message.
+ devlink_trap_stats_test "IPv4 Local Route" "local_route" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.3 -B 192.0.2.2 -t udp sp=54321,dp=12345 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 Local Route" "local_route" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::3 -B 2001:db8:1::2 -t udp sp=54321,sp=12345 \
+ -p 100 -q
+}
+
+external_route_test()
+{
+ # Add a dummy device through which the incoming packets should be
+ # routed.
+ ip link add name dummy10 up type dummy
+ ip address add 203.0.113.1/24 dev dummy10
+ ip -6 address add 2001:db8:10::1/64 dev dummy10
+
+ devlink_trap_stats_test "IPv4 External Route" "external_route" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 203.0.113.2 -t udp sp=54321,dp=12345 -p 100 -q
+
+ devlink_trap_stats_test "IPv6 External Route" "external_route" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:10::2 -t udp sp=54321,sp=12345 \
+ -p 100 -q
+
+ ip -6 address del 2001:db8:10::1/64 dev dummy10
+ ip address del 203.0.113.1/24 dev dummy10
+ ip link del dev dummy10
+}
+
+ipv6_uc_dip_link_local_scope_test()
+{
+ # Add a dummy link-local prefix route to allow the packet to be routed.
+ ip -6 route add fe80:1::/64 dev $rp2
+
+ devlink_trap_stats_test \
+ "IPv6 Unicast Destination IP With Link-Local Scope" \
+ "ipv6_uc_dip_link_local_scope" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A fe80::1 -B fe80:1::2 -t udp sp=54321,sp=12345 \
+ -p 100 -q
+
+ ip -6 route del fe80:1::/64 dev $rp2
+}
+
+ipv4_router_alert_get()
+{
+ local p
+
+ # https://en.wikipedia.org/wiki/IPv4#Options
+ p=$(:
+ )"94:"$( : Option Number
+ )"04:"$( : Option Length
+ )"00:00:"$( : Option Data
+ )
+ echo $p
+}
+
+ipv4_router_alert_test()
+{
+ devlink_trap_stats_test "IPv4 Router Alert" "ipv4_router_alert" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 198.51.100.3 \
+ -t ip option=$(ipv4_router_alert_get) -p 100 -q
+}
+
+ipv6_router_alert_get()
+{
+ local p
+
+ # https://en.wikipedia.org/wiki/IPv6_packet#Hop-by-hop_options_and_destination_options
+ # https://tools.ietf.org/html/rfc2711#section-2.1
+ p=$(:
+ )"11:"$( : Next Header - UDP
+ )"00:"$( : Hdr Ext Len
+ )"05:02:00:00:00:00:"$( : Option Data
+ )
+ echo $p
+}
+
+ipv6_router_alert_test()
+{
+ devlink_trap_stats_test "IPv6 Router Alert" "ipv6_router_alert" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A 2001:db8:1::1 -B 2001:db8:1::3 \
+ -t ip next=0,payload=$(ipv6_router_alert_get) -p 100 -q
+}
+
+ipv6_dip_all_nodes_test()
+{
+ devlink_trap_stats_test "IPv6 Destination IP \"All Nodes Address\"" \
+ "ipv6_dip_all_nodes" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:01 \
+ -A 2001:db8:1::1 -B ff02::1 -t udp sp=12345,dp=54321 -p 100 -q
+}
+
+ipv6_dip_all_routers_test()
+{
+ devlink_trap_stats_test "IPv6 Destination IP \"All Routers Address\"" \
+ "ipv6_dip_all_routers" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:02 \
+ -A 2001:db8:1::1 -B ff02::2 -t udp sp=12345,dp=54321 -p 100 -q
+}
+
+ipv6_router_solicit_test()
+{
+ devlink_trap_stats_test "IPv6 Router Solicitation" \
+ "ipv6_router_solicit" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:02 \
+ -A fe80::1 -B ff02::2 \
+ -t ip hop=1,next=58,payload=$(icmpv6_header_get 133) -p 100 -q
+}
+
+ipv6_router_advert_test()
+{
+ devlink_trap_stats_test "IPv6 Router Advertisement" \
+ "ipv6_router_advert" \
+ $MZ $h1 -6 -c 1 -a own -b 33:33:00:00:00:01 \
+ -A fe80::1 -B ff02::1 \
+ -t ip hop=1,next=58,payload=$(icmpv6_header_get 134) -p 100 -q
+}
+
+ipv6_redirect_test()
+{
+ devlink_trap_stats_test "IPv6 Redirect Message" \
+ "ipv6_redirect" \
+ $MZ $h1 -6 -c 1 -a own -b $(mac_get $rp1) \
+ -A fe80::1 -B 2001:db8:1::2 \
+ -t ip hop=1,next=58,payload=$(icmpv6_header_get 137) -p 100 -q
+}
+
+ptp_event_test()
+{
+ # PTP is only supported on Spectrum-1, for now.
+ [[ "$DEVLINK_VIDDID" != "15b3:cb84" ]] && return
+
+ # PTP Sync (0)
+ devlink_trap_stats_test "PTP Time-Critical Event Message" "ptp_event" \
+ $MZ $h1 -c 1 -a own -b 01:00:5e:00:01:81 \
+ -A 192.0.2.1 -B 224.0.1.129 \
+ -t udp sp=12345,dp=319,payload=10 -p 100 -q
+}
+
+ptp_general_test()
+{
+ # PTP is only supported on Spectrum-1, for now.
+ [[ "$DEVLINK_VIDDID" != "15b3:cb84" ]] && return
+
+ # PTP Announce (b)
+ devlink_trap_stats_test "PTP General Message" "ptp_general" \
+ $MZ $h1 -c 1 -a own -b 01:00:5e:00:01:81 \
+ -A 192.0.2.1 -B 224.0.1.129 \
+ -t udp sp=12345,dp=320,payload=1b -p 100 -q
+}
+
+flow_action_sample_test()
+{
+ # Install a filter that samples every incoming packet.
+ tc qdisc add dev $rp1 clsact
+ tc filter add dev $rp1 ingress proto all pref 1 handle 101 matchall \
+ skip_sw action sample rate 1 group 1
+
+ devlink_trap_stats_test "Flow Sampling" "flow_action_sample" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 198.51.100.1 -t udp sp=12345,dp=54321 -p 100 -q
+
+ tc filter del dev $rp1 ingress proto all pref 1 handle 101 matchall
+ tc qdisc del dev $rp1 clsact
+}
+
+flow_action_trap_test()
+{
+ # Install a filter that traps a specific flow.
+ tc qdisc add dev $rp1 clsact
+ tc filter add dev $rp1 ingress proto ip pref 1 handle 101 flower \
+ skip_sw ip_proto udp src_port 12345 dst_port 54321 action trap
+
+ devlink_trap_stats_test "Flow Trapping (Logging)" "flow_action_trap" \
+ $MZ $h1 -c 1 -a own -b $(mac_get $rp1) \
+ -A 192.0.2.1 -B 198.51.100.1 -t udp sp=12345,dp=54321 -p 100 -q
+
+ tc filter del dev $rp1 ingress proto ip pref 1 handle 101 flower
+ tc qdisc del dev $rp1 clsact
+}
+
+trap cleanup EXIT
+
+setup_prepare
+setup_wait
+
+tests_run
+
+exit $EXIT_STATUS
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh
index e7aecb065409..a4c2812e9807 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l2_drops.sh
@@ -96,7 +96,6 @@ source_mac_is_multicast_test()
{
local trap_name="source_mac_is_multicast"
local smac=01:02:03:04:05:06
- local group_name="l2_drops"
local mz_pid
tc filter add dev $swp2 egress protocol ip pref 1 handle 101 \
@@ -107,7 +106,7 @@ source_mac_is_multicast_test()
RET=0
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
log_test "Source MAC is multicast"
@@ -118,7 +117,6 @@ __vlan_tag_mismatch_test()
{
local trap_name="vlan_tag_mismatch"
local dmac=de:ad:be:ef:13:37
- local group_name="l2_drops"
local opt=$1; shift
local mz_pid
@@ -132,7 +130,7 @@ __vlan_tag_mismatch_test()
$MZ $h1 "$opt" -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Add PVID and make sure packets are no longer dropped.
bridge vlan add vid 1 dev $swp1 pvid untagged master
@@ -140,7 +138,7 @@ __vlan_tag_mismatch_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
@@ -179,7 +177,6 @@ ingress_vlan_filter_test()
{
local trap_name="ingress_vlan_filter"
local dmac=de:ad:be:ef:13:37
- local group_name="l2_drops"
local mz_pid
local vid=10
@@ -193,7 +190,7 @@ ingress_vlan_filter_test()
$MZ $h1 -Q $vid -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Add the VLAN on the bridge port and make sure packets are no longer
# dropped.
@@ -202,7 +199,7 @@ ingress_vlan_filter_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
@@ -222,7 +219,6 @@ __ingress_stp_filter_test()
{
local trap_name="ingress_spanning_tree_filter"
local dmac=de:ad:be:ef:13:37
- local group_name="l2_drops"
local state=$1; shift
local mz_pid
local vid=20
@@ -237,7 +233,7 @@ __ingress_stp_filter_test()
$MZ $h1 -Q $vid -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Change STP state to forwarding and make sure packets are no longer
# dropped.
@@ -246,7 +242,7 @@ __ingress_stp_filter_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
@@ -292,7 +288,6 @@ port_list_is_empty_uc_test()
{
local trap_name="port_list_is_empty"
local dmac=de:ad:be:ef:13:37
- local group_name="l2_drops"
local mz_pid
# Disable unicast flooding on both ports, so that packets cannot egress
@@ -308,7 +303,7 @@ port_list_is_empty_uc_test()
$MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Allow packets to be flooded to one port.
ip link set dev $swp2 type bridge_slave flood on
@@ -316,7 +311,7 @@ port_list_is_empty_uc_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
@@ -335,7 +330,6 @@ port_list_is_empty_mc_test()
{
local trap_name="port_list_is_empty"
local dmac=01:00:5e:00:00:01
- local group_name="l2_drops"
local dip=239.0.0.1
local mz_pid
@@ -354,7 +348,7 @@ port_list_is_empty_mc_test()
$MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Allow packets to be flooded to one port.
ip link set dev $swp2 type bridge_slave mcast_flood on
@@ -362,7 +356,7 @@ port_list_is_empty_mc_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
@@ -387,7 +381,6 @@ port_loopback_filter_uc_test()
{
local trap_name="port_loopback_filter"
local dmac=de:ad:be:ef:13:37
- local group_name="l2_drops"
local mz_pid
# Make sure packets can only egress the input port.
@@ -401,7 +394,7 @@ port_loopback_filter_uc_test()
$MZ $h1 -c 0 -p 100 -a own -b $dmac -t ip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp2 101
+ devlink_trap_drop_test $trap_name $swp2 101
# Allow packets to be flooded.
ip link set dev $swp2 type bridge_slave flood on
@@ -409,7 +402,7 @@ port_loopback_filter_uc_test()
devlink_trap_stats_idle_test $trap_name
check_err $? "Trap stats not idle when packets should not be dropped"
- devlink_trap_group_stats_idle_test $group_name
+ devlink_trap_group_stats_idle_test $(devlink_trap_group_get $trap_name)
check_err $? "Trap group stats not idle with when packets should not be dropped"
tc_check_packets "dev $swp2 egress" 101 0
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
index 616f47d86a61..f5abb1ebd392 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_drops.sh
@@ -161,7 +161,6 @@ ping_check()
non_ip_test()
{
local trap_name="non_ip"
- local group_name="l3_drops"
local mz_pid
RET=0
@@ -176,7 +175,7 @@ non_ip_test()
00:00 de:ad:be:ef" &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Non IP"
@@ -190,7 +189,6 @@ __uc_dip_over_mc_dmac_test()
local dip=$1; shift
local flags=${1:-""}; shift
local trap_name="uc_dip_over_mc_dmac"
- local group_name="l3_drops"
local dmac=01:02:03:04:05:06
local mz_pid
@@ -206,7 +204,7 @@ __uc_dip_over_mc_dmac_test()
-B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Unicast destination IP over multicast destination MAC: $desc"
@@ -227,7 +225,6 @@ __sip_is_loopback_test()
local dip=$1; shift
local flags=${1:-""}; shift
local trap_name="sip_is_loopback_address"
- local group_name="l3_drops"
local mz_pid
RET=0
@@ -242,7 +239,7 @@ __sip_is_loopback_test()
-b $rp1mac -B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Source IP is loopback address: $desc"
@@ -262,7 +259,6 @@ __dip_is_loopback_test()
local dip=$1; shift
local flags=${1:-""}; shift
local trap_name="dip_is_loopback_address"
- local group_name="l3_drops"
local mz_pid
RET=0
@@ -277,7 +273,7 @@ __dip_is_loopback_test()
-B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Destination IP is loopback address: $desc"
@@ -298,7 +294,6 @@ __sip_is_mc_test()
local dip=$1; shift
local flags=${1:-""}; shift
local trap_name="sip_is_mc"
- local group_name="l3_drops"
local mz_pid
RET=0
@@ -313,7 +308,7 @@ __sip_is_mc_test()
-b $rp1mac -B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Source IP is multicast: $desc"
@@ -329,7 +324,6 @@ sip_is_mc_test()
ipv4_sip_is_limited_bc_test()
{
local trap_name="ipv4_sip_is_limited_bc"
- local group_name="l3_drops"
local sip=255.255.255.255
local mz_pid
@@ -345,7 +339,7 @@ ipv4_sip_is_limited_bc_test()
-B $h2_ipv4 -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "IPv4 source IP is limited broadcast"
@@ -382,7 +376,6 @@ __ipv4_header_corrupted_test()
local ihl=$1; shift
local checksum=$1; shift
local trap_name="ip_header_corrupted"
- local group_name="l3_drops"
local payload
local mz_pid
@@ -399,7 +392,7 @@ __ipv4_header_corrupted_test()
$MZ $h1 -c 0 -d 1msec -a $h1mac -b $rp1mac -q p=$payload &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "IP header corrupted: $desc: IPv4"
@@ -429,7 +422,6 @@ __ipv6_header_corrupted_test()
local desc=$1; shift
local ipver=$1; shift
local trap_name="ip_header_corrupted"
- local group_name="l3_drops"
local payload
local mz_pid
@@ -446,7 +438,7 @@ __ipv6_header_corrupted_test()
$MZ $h1 -c 0 -d 1msec -a $h1mac -b $rp1mac -q p=$payload &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "IP header corrupted: $desc: IPv6"
@@ -469,7 +461,6 @@ ip_header_corrupted_test()
ipv6_mc_dip_reserved_scope_test()
{
local trap_name="ipv6_mc_dip_reserved_scope"
- local group_name="l3_drops"
local dip=FF00::
local mz_pid
@@ -485,7 +476,7 @@ ipv6_mc_dip_reserved_scope_test()
"33:33:00:00:00:00" -B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "IPv6 multicast destination IP reserved scope"
@@ -495,7 +486,6 @@ ipv6_mc_dip_reserved_scope_test()
ipv6_mc_dip_interface_local_scope_test()
{
local trap_name="ipv6_mc_dip_interface_local_scope"
- local group_name="l3_drops"
local dip=FF01::
local mz_pid
@@ -511,7 +501,7 @@ ipv6_mc_dip_interface_local_scope_test()
"33:33:00:00:00:00" -B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "IPv6 multicast destination IP interface-local scope"
@@ -526,7 +516,6 @@ __blackhole_route_test()
local dip=$1; shift
local ip_proto=${1:-"icmp"}; shift
local trap_name="blackhole_route"
- local group_name="l3_drops"
local mz_pid
RET=0
@@ -542,7 +531,7 @@ __blackhole_route_test()
-B $dip -d 1msec -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $rp2 101
+ devlink_trap_drop_test $trap_name $rp2 101
log_test "Blackhole route: IPv$flags"
devlink_trap_drop_cleanup $mz_pid $rp2 $proto 1 101
@@ -558,7 +547,6 @@ blackhole_route_test()
irif_disabled_test()
{
local trap_name="irif_disabled"
- local group_name="l3_drops"
local t0_packets t0_bytes
local t1_packets t1_bytes
local mz_pid
@@ -613,7 +601,6 @@ irif_disabled_test()
erif_disabled_test()
{
local trap_name="erif_disabled"
- local group_name="l3_drops"
local t0_packets t0_bytes
local t1_packets t1_bytes
local mz_pid
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
index 2bc6df42d597..1fedfc9da434 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_l3_exceptions.sh
@@ -169,7 +169,6 @@ trap_action_check()
mtu_value_is_too_small_test()
{
local trap_name="mtu_value_is_too_small"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -191,7 +190,7 @@ mtu_value_is_too_small_test()
-B 198.51.100.1 -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets_hitting "dev $h1 ingress" 101
check_err $? "Packets were not received to h1"
@@ -208,7 +207,6 @@ __ttl_value_is_too_small_test()
{
local ttl_val=$1; shift
local trap_name="ttl_value_is_too_small"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -227,7 +225,7 @@ __ttl_value_is_too_small_test()
-b $rp1mac -B 198.51.100.1 -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets_hitting "dev $h1 ingress" 101
check_err $? "Packets were not received to h1"
@@ -271,7 +269,6 @@ __mc_reverse_path_forwarding_test()
local proto=$1; shift
local flags=${1:-""}; shift
local trap_name="mc_reverse_path_forwarding"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -292,7 +289,7 @@ __mc_reverse_path_forwarding_test()
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets "dev $rp2 egress" 101 0
check_err $? "Packets were not dropped"
@@ -322,7 +319,6 @@ __reject_route_test()
local unreachable=$1; shift
local flags=${1:-""}; shift
local trap_name="reject_route"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -341,7 +337,7 @@ __reject_route_test()
-B $dst_ip -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets_hitting "dev $h1 ingress" 101
check_err $? "ICMP packet was not received to h1"
@@ -370,7 +366,6 @@ __host_miss_test()
local desc=$1; shift
local dip=$1; shift
local trap_name="unresolved_neigh"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -405,7 +400,6 @@ __invalid_nexthop_test()
local subnet=$1; shift
local via_add=$1; shift
local trap_name="unresolved_neigh"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -494,7 +488,6 @@ vrf_without_routes_destroy()
ipv4_lpm_miss_test()
{
local trap_name="ipv4_lpm_miss"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -511,7 +504,7 @@ ipv4_lpm_miss_test()
-B 203.0.113.1 -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
log_test "LPM miss: IPv4"
@@ -522,7 +515,6 @@ ipv4_lpm_miss_test()
ipv6_lpm_miss_test()
{
local trap_name="ipv6_lpm_miss"
- local group_name="l3_drops"
local expected_action="trap"
local mz_pid
@@ -539,7 +531,7 @@ ipv6_lpm_miss_test()
-B 2001:db8::1 -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
log_test "LPM miss: IPv6"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_ipip.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_ipip.sh
index 039629bb92a3..8817851da7a9 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_ipip.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_ipip.sh
@@ -140,7 +140,6 @@ ecn_payload_get()
ecn_decap_test()
{
local trap_name="decap_error"
- local group_name="tunnel_drops"
local desc=$1; shift
local ecn_desc=$1; shift
local outer_tos=$1; shift
@@ -161,7 +160,7 @@ ecn_decap_test()
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets "dev $swp1 egress" 101 0
check_err $? "Packets were not dropped"
@@ -200,7 +199,6 @@ ipip_payload_get()
no_matching_tunnel_test()
{
local trap_name="decap_error"
- local group_name="tunnel_drops"
local desc=$1; shift
local sip=$1; shift
local mz_pid
@@ -218,7 +216,7 @@ no_matching_tunnel_test()
-A $sip -B 192.0.2.65 -t ip len=48,proto=47,p=$payload -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets "dev $swp1 egress" 101 0
check_err $? "Packets were not dropped"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh
index e11a416323cf..10e0f3dbc930 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/devlink_trap_tunnel_vxlan.sh
@@ -159,7 +159,6 @@ ecn_payload_get()
ecn_decap_test()
{
local trap_name="decap_error"
- local group_name="tunnel_drops"
local desc=$1; shift
local ecn_desc=$1; shift
local outer_tos=$1; shift
@@ -177,7 +176,7 @@ ecn_decap_test()
-t udp sp=12345,dp=$VXPORT,tos=$outer_tos,p=$payload -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets "dev $swp1 egress" 101 0
check_err $? "Packets were not dropped"
@@ -228,7 +227,6 @@ short_payload_get()
corrupted_packet_test()
{
local trap_name="decap_error"
- local group_name="tunnel_drops"
local desc=$1; shift
local payload_get=$1; shift
local mz_pid
@@ -246,7 +244,7 @@ corrupted_packet_test()
-B 192.0.2.17 -t udp sp=12345,dp=$VXPORT,p=$payload -q &
mz_pid=$!
- devlink_trap_exception_test $trap_name $group_name
+ devlink_trap_exception_test $trap_name
tc_check_packets "dev $swp1 egress" 101 0
check_err $? "Packets were not dropped"
@@ -297,7 +295,6 @@ mc_smac_payload_get()
overlay_smac_is_mc_test()
{
local trap_name="overlay_smac_is_mc"
- local group_name="tunnel_drops"
local mz_pid
RET=0
@@ -314,7 +311,7 @@ overlay_smac_is_mc_test()
-B 192.0.2.17 -t udp sp=12345,dp=$VXPORT,p=$payload -q &
mz_pid=$!
- devlink_trap_drop_test $trap_name $group_name $swp1 101
+ devlink_trap_drop_test $trap_name $swp1 101
log_test "Overlay source MAC is multicast"
diff --git a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
index 24dd8ed48580..b025daea062d 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/qos_mc_aware.sh
@@ -300,7 +300,7 @@ test_uc_aware()
local i
for ((i = 0; i < attempts; ++i)); do
- if $ARPING -c 1 -I $h1 -b 192.0.2.66 -q -w 0.1; then
+ if $ARPING -c 1 -I $h1 -b 192.0.2.66 -q -w 1; then
((passes++))
fi
diff --git a/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
index 58f3a05f08af..7d9e73a43a49 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/sharedbuffer.sh
@@ -15,7 +15,7 @@ source mlxsw_lib.sh
SB_POOL_ING=0
SB_POOL_EGR_CPU=10
-SB_ITC_CPU_IP=3
+SB_ITC_CPU_IP=2
SB_ITC_CPU_ARP=2
SB_ITC=0
diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_flower_restrictions.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh
index 68c80d0ec1ec..9241250c5921 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/tc_flower_restrictions.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh
@@ -7,6 +7,10 @@ ALL_TESTS="
shared_block_drop_test
egress_redirect_test
multi_mirror_test
+ matchall_sample_egress_test
+ matchall_mirror_behind_flower_ingress_test
+ matchall_sample_behind_flower_ingress_test
+ matchall_mirror_behind_flower_egress_test
"
NUM_NETIFS=2
@@ -155,6 +159,134 @@ multi_mirror_test()
log_test "multi mirror"
}
+matchall_sample_egress_test()
+{
+ RET=0
+
+ # It is forbidden in mlxsw driver to have matchall with sample action
+ # bound on egress
+
+ tc qdisc add dev $swp1 clsact
+
+ tc filter add dev $swp1 ingress protocol all pref 1 handle 101 \
+ matchall skip_sw action sample rate 100 group 1
+ check_err $? "Failed to add rule with sample action on ingress"
+
+ tc filter del dev $swp1 ingress protocol all pref 1 handle 101 matchall
+
+ tc filter add dev $swp1 egress protocol all pref 1 handle 101 \
+ matchall skip_sw action sample rate 100 group 1
+ check_fail $? "Incorrect success to add rule with sample action on egress"
+
+ tc qdisc del dev $swp1 clsact
+
+ log_test "matchall sample egress"
+}
+
+matchall_behind_flower_ingress_test()
+{
+ local action=$1
+ local action_args=$2
+
+ RET=0
+
+ # On ingress, all matchall-mirror and matchall-sample
+ # rules have to be in front of the flower rules
+
+ tc qdisc add dev $swp1 clsact
+
+ tc filter add dev $swp1 ingress protocol ip pref 10 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+
+ tc filter add dev $swp1 ingress protocol all pref 9 handle 102 \
+ matchall skip_sw action $action_args
+ check_err $? "Failed to add matchall rule in front of a flower rule"
+
+ tc filter del dev $swp1 ingress protocol all pref 9 handle 102 matchall
+
+ tc filter add dev $swp1 ingress protocol all pref 11 handle 102 \
+ matchall skip_sw action $action_args
+ check_fail $? "Incorrect success to add matchall rule behind a flower rule"
+
+ tc filter del dev $swp1 ingress protocol ip pref 10 handle 101 flower
+
+ tc filter add dev $swp1 ingress protocol all pref 9 handle 102 \
+ matchall skip_sw action $action_args
+
+ tc filter add dev $swp1 ingress protocol ip pref 10 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+ check_err $? "Failed to add flower rule behind a matchall rule"
+
+ tc filter del dev $swp1 ingress protocol ip pref 10 handle 101 flower
+
+ tc filter add dev $swp1 ingress protocol ip pref 8 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+ check_fail $? "Incorrect success to add flower rule in front of a matchall rule"
+
+ tc qdisc del dev $swp1 clsact
+
+ log_test "matchall $action flower ingress"
+}
+
+matchall_mirror_behind_flower_ingress_test()
+{
+ matchall_behind_flower_ingress_test "mirror" "mirred egress mirror dev $swp2"
+}
+
+matchall_sample_behind_flower_ingress_test()
+{
+ matchall_behind_flower_ingress_test "sample" "sample rate 100 group 1"
+}
+
+matchall_behind_flower_egress_test()
+{
+ local action=$1
+ local action_args=$2
+
+ RET=0
+
+ # On egress, all matchall-mirror rules have to be behind the flower rules
+
+ tc qdisc add dev $swp1 clsact
+
+ tc filter add dev $swp1 egress protocol ip pref 10 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+
+ tc filter add dev $swp1 egress protocol all pref 11 handle 102 \
+ matchall skip_sw action $action_args
+ check_err $? "Failed to add matchall rule in front of a flower rule"
+
+ tc filter del dev $swp1 egress protocol all pref 11 handle 102 matchall
+
+ tc filter add dev $swp1 egress protocol all pref 9 handle 102 \
+ matchall skip_sw action $action_args
+ check_fail $? "Incorrect success to add matchall rule behind a flower rule"
+
+ tc filter del dev $swp1 egress protocol ip pref 10 handle 101 flower
+
+ tc filter add dev $swp1 egress protocol all pref 11 handle 102 \
+ matchall skip_sw action $action_args
+
+ tc filter add dev $swp1 egress protocol ip pref 10 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+ check_err $? "Failed to add flower rule behind a matchall rule"
+
+ tc filter del dev $swp1 egress protocol ip pref 10 handle 101 flower
+
+ tc filter add dev $swp1 egress protocol ip pref 12 handle 101 flower \
+ skip_sw dst_ip 192.0.2.2 action drop
+ check_fail $? "Incorrect success to add flower rule in front of a matchall rule"
+
+ tc qdisc del dev $swp1 clsact
+
+ log_test "matchall $action flower egress"
+}
+
+matchall_mirror_behind_flower_egress_test()
+{
+ matchall_behind_flower_egress_test "mirror" "mirred egress mirror dev $swp2"
+}
+
setup_prepare()
{
swp1=${NETIFS[p1]}
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
index 9f9741444549..de4b32fc4223 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink.sh
@@ -146,11 +146,39 @@ regions_test()
check_region_snapshot_count dummy post-first-request 3
+ devlink region dump $DL_HANDLE/dummy snapshot 25 >> /dev/null
+ check_err $? "Failed to dump snapshot with id 25"
+
+ devlink region read $DL_HANDLE/dummy snapshot 25 addr 0 len 1 >> /dev/null
+ check_err $? "Failed to read snapshot with id 25 (1 byte)"
+
+ devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len 128 >> /dev/null
+ check_err $? "Failed to read snapshot with id 25 (128 bytes)"
+
+ devlink region read $DL_HANDLE/dummy snapshot 25 addr 128 len $((1<<32)) >> /dev/null
+ check_err $? "Failed to read snapshot with id 25 (oversized)"
+
+ devlink region read $DL_HANDLE/dummy snapshot 25 addr $((1<<32)) len 128 >> /dev/null 2>&1
+ check_fail $? "Bad read of snapshot with id 25 did not fail"
+
devlink region del $DL_HANDLE/dummy snapshot 25
check_err $? "Failed to delete snapshot with id 25"
check_region_snapshot_count dummy post-second-delete 2
+ sid=$(devlink -j region new $DL_HANDLE/dummy | jq '.[][][][]')
+ check_err $? "Failed to create a new snapshot with id allocated by the kernel"
+
+ check_region_snapshot_count dummy post-first-request 3
+
+ devlink region dump $DL_HANDLE/dummy snapshot $sid >> /dev/null
+ check_err $? "Failed to dump a snapshot with id allocated by the kernel"
+
+ devlink region del $DL_HANDLE/dummy snapshot $sid
+ check_err $? "Failed to delete snapshot with id allocated by the kernel"
+
+ check_region_snapshot_count dummy post-first-request 2
+
log_test "regions test"
}
diff --git a/tools/testing/selftests/drivers/net/netdevsim/devlink_trap.sh b/tools/testing/selftests/drivers/net/netdevsim/devlink_trap.sh
index dbd1e014ba17..da49ad2761b5 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/devlink_trap.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/devlink_trap.sh
@@ -264,6 +264,8 @@ trap_policer_test()
local packets_t0
local packets_t1
+ RET=0
+
if [ $(devlink_trap_policers_num_get) -eq 0 ]; then
check_err 1 "Failed to dump policers"
fi
@@ -328,6 +330,8 @@ trap_group_check_policer()
trap_policer_bind_test()
{
+ RET=0
+
devlink trap group set $DEVLINK_DEV group l2_drops policer 1
check_err $? "Failed to bind a valid policer"
if [ $(devlink_trap_group_policer_get "l2_drops") -ne 1 ]; then
diff --git a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
index 11eee0b60040..d979ff14775a 100644
--- a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
+++ b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
@@ -3,6 +3,7 @@
#define _GNU_SOURCE
#include <poll.h>
#include <unistd.h>
+#include <assert.h>
#include <signal.h>
#include <pthread.h>
#include <sys/epoll.h>
@@ -3136,4 +3137,149 @@ TEST(epoll59)
close(ctx.sfd[0]);
}
+enum {
+ EPOLL60_EVENTS_NR = 10,
+};
+
+struct epoll60_ctx {
+ volatile int stopped;
+ int ready;
+ int waiters;
+ int epfd;
+ int evfd[EPOLL60_EVENTS_NR];
+};
+
+static void *epoll60_wait_thread(void *ctx_)
+{
+ struct epoll60_ctx *ctx = ctx_;
+ struct epoll_event e;
+ sigset_t sigmask;
+ uint64_t v;
+ int ret;
+
+ /* Block SIGUSR1 */
+ sigemptyset(&sigmask);
+ sigaddset(&sigmask, SIGUSR1);
+ sigprocmask(SIG_SETMASK, &sigmask, NULL);
+
+ /* Prepare empty mask for epoll_pwait() */
+ sigemptyset(&sigmask);
+
+ while (!ctx->stopped) {
+ /* Mark we are ready */
+ __atomic_fetch_add(&ctx->ready, 1, __ATOMIC_ACQUIRE);
+
+ /* Start when all are ready */
+ while (__atomic_load_n(&ctx->ready, __ATOMIC_ACQUIRE) &&
+ !ctx->stopped);
+
+ /* Account this waiter */
+ __atomic_fetch_add(&ctx->waiters, 1, __ATOMIC_ACQUIRE);
+
+ ret = epoll_pwait(ctx->epfd, &e, 1, 2000, &sigmask);
+ if (ret != 1) {
+ /* We expect only signal delivery on stop */
+ assert(ret < 0 && errno == EINTR && "Lost wakeup!\n");
+ assert(ctx->stopped);
+ break;
+ }
+
+ ret = read(e.data.fd, &v, sizeof(v));
+ /* Since we are on ET mode, thus each thread gets its own fd. */
+ assert(ret == sizeof(v));
+
+ __atomic_fetch_sub(&ctx->waiters, 1, __ATOMIC_RELEASE);
+ }
+
+ return NULL;
+}
+
+static inline unsigned long long msecs(void)
+{
+ struct timespec ts;
+ unsigned long long msecs;
+
+ clock_gettime(CLOCK_REALTIME, &ts);
+ msecs = ts.tv_sec * 1000ull;
+ msecs += ts.tv_nsec / 1000000ull;
+
+ return msecs;
+}
+
+static inline int count_waiters(struct epoll60_ctx *ctx)
+{
+ return __atomic_load_n(&ctx->waiters, __ATOMIC_ACQUIRE);
+}
+
+TEST(epoll60)
+{
+ struct epoll60_ctx ctx = { 0 };
+ pthread_t waiters[ARRAY_SIZE(ctx.evfd)];
+ struct epoll_event e;
+ int i, n, ret;
+
+ signal(SIGUSR1, signal_handler);
+
+ ctx.epfd = epoll_create1(0);
+ ASSERT_GE(ctx.epfd, 0);
+
+ /* Create event fds */
+ for (i = 0; i < ARRAY_SIZE(ctx.evfd); i++) {
+ ctx.evfd[i] = eventfd(0, EFD_NONBLOCK);
+ ASSERT_GE(ctx.evfd[i], 0);
+
+ e.events = EPOLLIN | EPOLLET;
+ e.data.fd = ctx.evfd[i];
+ ASSERT_EQ(epoll_ctl(ctx.epfd, EPOLL_CTL_ADD, ctx.evfd[i], &e), 0);
+ }
+
+ /* Create waiter threads */
+ for (i = 0; i < ARRAY_SIZE(waiters); i++)
+ ASSERT_EQ(pthread_create(&waiters[i], NULL,
+ epoll60_wait_thread, &ctx), 0);
+
+ for (i = 0; i < 300; i++) {
+ uint64_t v = 1, ms;
+
+ /* Wait for all to be ready */
+ while (__atomic_load_n(&ctx.ready, __ATOMIC_ACQUIRE) !=
+ ARRAY_SIZE(ctx.evfd))
+ ;
+
+ /* Steady, go */
+ __atomic_fetch_sub(&ctx.ready, ARRAY_SIZE(ctx.evfd),
+ __ATOMIC_ACQUIRE);
+
+ /* Wait all have gone to kernel */
+ while (count_waiters(&ctx) != ARRAY_SIZE(ctx.evfd))
+ ;
+
+ /* 1ms should be enough to schedule away */
+ usleep(1000);
+
+ /* Quickly signal all handles at once */
+ for (n = 0; n < ARRAY_SIZE(ctx.evfd); n++) {
+ ret = write(ctx.evfd[n], &v, sizeof(v));
+ ASSERT_EQ(ret, sizeof(v));
+ }
+
+ /* Busy loop for 1s and wait for all waiters to wake up */
+ ms = msecs();
+ while (count_waiters(&ctx) && msecs() < ms + 1000)
+ ;
+
+ ASSERT_EQ(count_waiters(&ctx), 0);
+ }
+ ctx.stopped = 1;
+ /* Stop waiters */
+ for (i = 0; i < ARRAY_SIZE(waiters); i++)
+ ret = pthread_kill(waiters[i], SIGUSR1);
+ for (i = 0; i < ARRAY_SIZE(waiters); i++)
+ pthread_join(waiters[i], NULL);
+
+ for (i = 0; i < ARRAY_SIZE(waiters); i++)
+ close(ctx.evfd[i]);
+ close(ctx.epfd);
+}
+
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/ftrace/config b/tools/testing/selftests/ftrace/config
index c2c8de4fafff..e59d985eeff0 100644
--- a/tools/testing/selftests/ftrace/config
+++ b/tools/testing/selftests/ftrace/config
@@ -11,5 +11,6 @@ CONFIG_PREEMPTIRQ_DELAY_TEST=m
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
CONFIG_SAMPLES=y
+CONFIG_SAMPLE_FTRACE_DIRECT=m
CONFIG_SAMPLE_TRACE_PRINTK=m
CONFIG_KALLSYMS_ALL=y
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index 063ecb290a5a..a4605b5ee66d 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -17,6 +17,7 @@ echo " -v|--verbose Increase verbosity of test messages"
echo " -vv Alias of -v -v (Show all results in stdout)"
echo " -vvv Alias of -v -v -v (Show all commands immediately)"
echo " --fail-unsupported Treat UNSUPPORTED as a failure"
+echo " --fail-unresolved Treat UNRESOLVED as a failure"
echo " -d|--debug Debug mode (trace all shell commands)"
echo " -l|--logdir <dir> Save logs on the <dir>"
echo " If <dir> is -, all logs output in console only"
@@ -29,8 +30,25 @@ err_ret=1
# kselftest skip code is 4
err_skip=4
+# cgroup RT scheduling prevents chrt commands from succeeding, which
+# induces failures in test wakeup tests. Disable for the duration of
+# the tests.
+
+readonly sched_rt_runtime=/proc/sys/kernel/sched_rt_runtime_us
+
+sched_rt_runtime_orig=$(cat $sched_rt_runtime)
+
+setup() {
+ echo -1 > $sched_rt_runtime
+}
+
+cleanup() {
+ echo $sched_rt_runtime_orig > $sched_rt_runtime
+}
+
errexit() { # message
echo "Error: $1" 1>&2
+ cleanup
exit $err_ret
}
@@ -39,6 +57,8 @@ if [ `id -u` -ne 0 ]; then
errexit "this must be run by root user"
fi
+setup
+
# Utilities
absdir() { # file_path
(cd `dirname $1`; pwd)
@@ -93,6 +113,10 @@ parse_opts() { # opts
UNSUPPORTED_RESULT=1
shift 1
;;
+ --fail-unresolved)
+ UNRESOLVED_RESULT=1
+ shift 1
+ ;;
--logdir|-l)
LOG_DIR=$2
shift 2
@@ -157,6 +181,7 @@ KEEP_LOG=0
DEBUG=0
VERBOSE=0
UNSUPPORTED_RESULT=0
+UNRESOLVED_RESULT=0
STOP_FAILURE=0
# Parse command-line options
parse_opts $*
@@ -235,6 +260,7 @@ TOTAL_RESULT=0
INSTANCE=
CASENO=0
+
testcase() { # testfile
CASENO=$((CASENO+1))
desc=`grep "^#[ \t]*description:" $1 | cut -f2 -d:`
@@ -260,7 +286,7 @@ eval_result() { # sigval
$UNRESOLVED)
prlog " [${color_blue}UNRESOLVED${color_reset}]"
UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
- return 1 # this is a kind of bug.. something happened.
+ return $UNRESOLVED_RESULT # depends on use case
;;
$UNTESTED)
prlog " [${color_blue}UNTESTED${color_reset}]"
@@ -273,7 +299,7 @@ eval_result() { # sigval
return $UNSUPPORTED_RESULT # depends on use case
;;
$XFAIL)
- prlog " [${color_red}XFAIL${color_reset}]"
+ prlog " [${color_green}XFAIL${color_reset}]"
XFAILED_CASES="$XFAILED_CASES $CASENO"
return 0
;;
@@ -406,5 +432,7 @@ prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w`
prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w`
prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w`
+cleanup
+
# if no error, return 0
exit $TOTAL_RESULT
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
index aefab0c66d54..f59853857ad2 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter-stack.tc
@@ -10,10 +10,7 @@ if ! grep -q function_graph available_tracers; then
exit_unsupported
fi
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
do_reset() {
if [ -e /proc/sys/kernel/stack_tracer_enabled ]; then
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
index c8a5209f2119..d610f47edd90 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/fgraph-filter.tc
@@ -9,6 +9,8 @@ if ! grep -q function_graph available_tracers; then
exit_unsupported
fi
+check_filter_file set_ftrace_filter
+
fail() { # msg
echo $1
exit_fail
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
index f4e92afab14b..28936f434ee5 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
@@ -9,6 +9,8 @@ if ! grep -q function available_tracers; then
exit_unsupported
fi
+check_filter_file set_ftrace_filter
+
disable_tracing
clear_trace
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
index 8aa46a2ea133..71db68a7975f 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
@@ -15,10 +15,7 @@ if [ ! -f set_ftrace_notrace_pid ]; then
exit_unsupported
fi
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is function tracer not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
do_function_fork=1
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
index f2ee1e889e13..d58403c4b7cd 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
@@ -16,10 +16,7 @@ if [ ! -f set_ftrace_pid ]; then
exit_unsupported
fi
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is function tracer not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
do_function_fork=1
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
index 1a52f2883fe0..b2aff786c1a2 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
@@ -3,7 +3,7 @@
# description: ftrace - stacktrace filter command
# flags: instance
-[ ! -f set_ftrace_filter ] && exit_unsupported
+check_filter_file set_ftrace_filter
echo _do_fork:stacktrace >> set_ftrace_filter
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index ca2ffd7957f9..e9b1fd534e96 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -11,10 +11,7 @@
#
# The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
do_reset() {
reset_ftrace_filter
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc
index 9330c873f9fe..1a4b4a442d33 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_mod_trace.tc
@@ -2,7 +2,7 @@
# SPDX-License-Identifier: GPL-2.0
# description: ftrace - function trace on module
-[ ! -f set_ftrace_filter ] && exit_unsupported
+check_filter_file set_ftrace_filter
: "mod: allows to filter a non exist function"
echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
index dfbae637c60c..a3dadb6b93b4 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profiler.tc
@@ -18,10 +18,7 @@ if ! grep -q function_graph available_tracers; then
exit_unsupported;
fi
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
if [ ! -f function_profile_enabled ]; then
echo "function_profile_enabled not found, function profiling enabled?"
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
index 51f6e6146bd9..70bad441fa7d 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_set_ftrace_file.tc
@@ -10,10 +10,7 @@
#
# The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
fail() { # mesg
echo $1
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc
index b414f0e3c646..51e9e80bc0e6 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_stack_tracer.tc
@@ -8,6 +8,8 @@ if [ ! -f stack_trace ]; then
exit_unsupported
fi
+check_filter_file stack_trace_filter
+
echo > stack_trace_filter
echo 0 > stack_max_size
echo 1 > /proc/sys/kernel/stack_tracer_enabled
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
index 1947387fe976..3ed173f2944a 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_traceonoff_triggers.tc
@@ -11,10 +11,7 @@
#
# The triggers are set within the set_ftrace_filter file
-if [ ! -f set_ftrace_filter ]; then
- echo "set_ftrace_filter not found? Is dynamic ftrace not set?"
- exit_unsupported
-fi
+check_filter_file set_ftrace_filter
fail() { # mesg
echo $1
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 5d4550591ff9..61a3c7e2634d 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -1,3 +1,9 @@
+check_filter_file() { # check filter file introduced by dynamic ftrace
+ if [ ! -f "$1" ]; then
+ echo "$1 not found? Is dynamic ftrace not set?"
+ exit_unsupported
+ fi
+}
clear_trace() { # reset trace output
echo > trace
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
index 1bcb67dcae26..81490ecaaa92 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
@@ -38,7 +38,7 @@ for width in 64 32 16 8; do
echo 0 > events/kprobes/testprobe/enable
: "Confirm the arguments is recorded in given types correctly"
- ARGS=`grep "testprobe" trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+ ARGS=`grep "testprobe" trace | head -n 1 | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
check_types $ARGS $width
: "Clear event for next loop"
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
index 7650a82db3f5..df5072815b87 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc
@@ -5,6 +5,8 @@
[ -f kprobe_events ] || exit_unsupported # this is configurable
grep "function" available_tracers || exit_unsupported # this is configurable
+check_filter_file set_ftrace_filter
+
# prepare
echo nop > current_tracer
echo _do_fork > set_ftrace_filter
diff --git a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
index cbd174334a48..2b82c80edf69 100644
--- a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
+++ b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
@@ -17,7 +17,14 @@ unsup() { #msg
exit_unsupported
}
-modprobe $MOD || unsup "$MOD module not available"
+unres() { #msg
+ reset_tracer
+ rmmod $MOD || true
+ echo $1
+ exit_unresolved
+}
+
+modprobe $MOD || unres "$MOD module not available"
rmmod $MOD
grep -q "preemptoff" available_tracers || unsup "preemptoff tracer not enabled"
diff --git a/tools/testing/selftests/gpio/Makefile b/tools/testing/selftests/gpio/Makefile
index 0bb80619db58..32bdc978a711 100644
--- a/tools/testing/selftests/gpio/Makefile
+++ b/tools/testing/selftests/gpio/Makefile
@@ -1,13 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
-MOUNT_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null)
-MOUNT_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null)
-ifeq ($(MOUNT_LDLIBS),)
-MOUNT_LDLIBS := -lmount -I/usr/include/libmount
+VAR_CFLAGS := $(shell pkg-config --cflags mount 2>/dev/null)
+VAR_LDLIBS := $(shell pkg-config --libs mount 2>/dev/null)
+ifeq ($(VAR_LDLIBS),)
+VAR_LDLIBS := -lmount -I/usr/include/libmount
endif
-CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(MOUNT_CFLAGS)
-LDLIBS += $(MOUNT_LDLIBS)
+CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/ $(VAR_CFLAGS)
+LDLIBS += $(VAR_LDLIBS)
TEST_PROGS := gpio-mockup.sh
TEST_FILES := gpio-mockup-sysfs.sh
diff --git a/tools/testing/selftests/intel_pstate/Makefile b/tools/testing/selftests/intel_pstate/Makefile
index 7340fd6a9a9f..39f0fa2a8fd6 100644
--- a/tools/testing/selftests/intel_pstate/Makefile
+++ b/tools/testing/selftests/intel_pstate/Makefile
@@ -1,6 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
CFLAGS := $(CFLAGS) -Wall -D_GNU_SOURCE
-LDLIBS := $(LDLIBS) -lm
+LDLIBS += -lm
uname_M := $(shell uname -m 2>/dev/null || echo not)
ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c
index 4c156aeab6b8..5ec4d9e18806 100644
--- a/tools/testing/selftests/ipc/msgque.c
+++ b/tools/testing/selftests/ipc/msgque.c
@@ -137,7 +137,7 @@ int dump_queue(struct msgque_data *msgque)
for (kern_id = 0; kern_id < 256; kern_id++) {
ret = msgctl(kern_id, MSG_STAT, &ds);
if (ret < 0) {
- if (errno == -EINVAL)
+ if (errno == EINVAL)
continue;
printf("Failed to get stats for IPC queue with id %d\n",
kern_id);
diff --git a/tools/testing/selftests/kselftest/runner.sh b/tools/testing/selftests/kselftest/runner.sh
index e84d901f8567..676b3a8b114d 100644
--- a/tools/testing/selftests/kselftest/runner.sh
+++ b/tools/testing/selftests/kselftest/runner.sh
@@ -33,7 +33,7 @@ tap_timeout()
{
# Make sure tests will time out if utility is available.
if [ -x /usr/bin/timeout ] ; then
- /usr/bin/timeout "$kselftest_timeout" "$1"
+ /usr/bin/timeout --foreground "$kselftest_timeout" "$1"
else
"$1"
fi
diff --git a/tools/testing/selftests/kselftest_deps.sh b/tools/testing/selftests/kselftest_deps.sh
new file mode 100755
index 000000000000..bbc04646346b
--- /dev/null
+++ b/tools/testing/selftests/kselftest_deps.sh
@@ -0,0 +1,272 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# kselftest_deps.sh
+#
+# Checks for kselftest build dependencies on the build system.
+# Copyright (c) 2020 Shuah Khan <skhan@linuxfoundation.org>
+#
+#
+
+usage()
+{
+
+echo -e "Usage: $0 -[p] <compiler> [test_name]\n"
+echo -e "\tkselftest_deps.sh [-p] gcc"
+echo -e "\tkselftest_deps.sh [-p] gcc vm"
+echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc"
+echo -e "\tkselftest_deps.sh [-p] aarch64-linux-gnu-gcc vm\n"
+echo "- Should be run in selftests directory in the kernel repo."
+echo "- Checks if Kselftests can be built/cross-built on a system."
+echo "- Parses all test/sub-test Makefile to find library dependencies."
+echo "- Runs compile test on a trivial C file with LDLIBS specified"
+echo " in the test Makefiles to identify missing library dependencies."
+echo "- Prints suggested target list for a system filtering out tests"
+echo " failed the build dependency check from the TARGETS in Selftests"
+echo " main Makefile when optional -p is specified."
+echo "- Prints pass/fail dependency check for each tests/sub-test."
+echo "- Prints pass/fail targets and libraries."
+echo "- Default: runs dependency checks on all tests."
+echo "- Optional test name can be specified to check dependencies for it."
+exit 1
+
+}
+
+# Start main()
+main()
+{
+
+base_dir=`pwd`
+# Make sure we're in the selftests top-level directory.
+if [ $(basename "$base_dir") != "selftests" ]; then
+ echo -e "\tPlease run $0 in"
+ echo -e "\ttools/testing/selftests directory ..."
+ exit 1
+fi
+
+print_targets=0
+
+while getopts "p" arg; do
+ case $arg in
+ p)
+ print_targets=1
+ shift;;
+ esac
+done
+
+if [ $# -eq 0 ]
+then
+ usage
+fi
+
+# Compiler
+CC=$1
+
+tmp_file=$(mktemp).c
+trap "rm -f $tmp_file.o $tmp_file $tmp_file.bin" EXIT
+#echo $tmp_file
+
+pass=$(mktemp).out
+trap "rm -f $pass" EXIT
+#echo $pass
+
+fail=$(mktemp).out
+trap "rm -f $fail" EXIT
+#echo $fail
+
+# Generate tmp source fire for compile test
+cat << "EOF" > $tmp_file
+int main()
+{
+}
+EOF
+
+# Save results
+total_cnt=0
+fail_trgts=()
+fail_libs=()
+fail_cnt=0
+pass_trgts=()
+pass_libs=()
+pass_cnt=0
+
+# Get all TARGETS from selftests Makefile
+targets=$(egrep "^TARGETS +|^TARGETS =" Makefile | cut -d "=" -f2)
+
+# Single test case
+if [ $# -eq 2 ]
+then
+ test=$2/Makefile
+
+ l1_test $test
+ l2_test $test
+ l3_test $test
+
+ print_results $1 $2
+ exit $?
+fi
+
+# Level 1: LDLIBS set static.
+#
+# Find all LDLIBS set statically for all executables built by a Makefile
+# and filter out VAR_LDLIBS to discard the following:
+# gpio/Makefile:LDLIBS += $(VAR_LDLIBS)
+# Append space at the end of the list to append more tests.
+
+l1_tests=$(grep -r --include=Makefile "^LDLIBS" | \
+ grep -v "VAR_LDLIBS" | awk -F: '{print $1}')
+
+# Level 2: LDLIBS set dynamically.
+#
+# Level 2
+# Some tests have multiple valid LDLIBS lines for individual sub-tests
+# that need dependency checks. Find them and append them to the tests
+# e.g: vm/Makefile:$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
+# Filter out VAR_LDLIBS to discard the following:
+# memfd/Makefile:$(OUTPUT)/fuse_mnt: LDLIBS += $(VAR_LDLIBS)
+# Append space at the end of the list to append more tests.
+
+l2_tests=$(grep -r --include=Makefile ": LDLIBS" | \
+ grep -v "VAR_LDLIBS" | awk -F: '{print $1}')
+
+# Level 3
+# gpio, memfd and others use pkg-config to find mount and fuse libs
+# respectively and save it in VAR_LDLIBS. If pkg-config doesn't find
+# any, VAR_LDLIBS set to default.
+# Use the default value and filter out pkg-config for dependency check.
+# e.g:
+# gpio/Makefile
+# VAR_LDLIBS := $(shell pkg-config --libs mount) 2>/dev/null)
+# memfd/Makefile
+# VAR_LDLIBS := $(shell pkg-config fuse --libs 2>/dev/null)
+
+l3_tests=$(grep -r --include=Makefile "^VAR_LDLIBS" | \
+ grep -v "pkg-config" | awk -F: '{print $1}')
+
+#echo $l1_tests
+#echo $l2_1_tests
+#echo $l3_tests
+
+all_tests
+print_results $1 $2
+
+exit $?
+}
+# end main()
+
+all_tests()
+{
+ for test in $l1_tests; do
+ l1_test $test
+ done
+
+ for test in $l2_tests; do
+ l2_test $test
+ done
+
+ for test in $l3_tests; do
+ l3_test $test
+ done
+}
+
+# Use same parsing used for l1_tests and pick libraries this time.
+l1_test()
+{
+ test_libs=$(grep --include=Makefile "^LDLIBS" $test | \
+ grep -v "VAR_LDLIBS" | \
+ sed -e 's/\:/ /' | \
+ sed -e 's/+/ /' | cut -d "=" -f 2)
+
+ check_libs $test $test_libs
+}
+
+# Use same parsing used for l2__tests and pick libraries this time.
+l2_test()
+{
+ test_libs=$(grep --include=Makefile ": LDLIBS" $test | \
+ grep -v "VAR_LDLIBS" | \
+ sed -e 's/\:/ /' | sed -e 's/+/ /' | \
+ cut -d "=" -f 2)
+
+ check_libs $test $test_libs
+}
+
+l3_test()
+{
+ test_libs=$(grep --include=Makefile "^VAR_LDLIBS" $test | \
+ grep -v "pkg-config" | sed -e 's/\:/ /' |
+ sed -e 's/+/ /' | cut -d "=" -f 2)
+
+ check_libs $test $test_libs
+}
+
+check_libs()
+{
+
+if [[ ! -z "${test_libs// }" ]]
+then
+
+ #echo $test_libs
+
+ for lib in $test_libs; do
+
+ let total_cnt+=1
+ $CC -o $tmp_file.bin $lib $tmp_file > /dev/null 2>&1
+ if [ $? -ne 0 ]; then
+ echo "FAIL: $test dependency check: $lib" >> $fail
+ let fail_cnt+=1
+ fail_libs+="$lib "
+ fail_target=$(echo "$test" | cut -d "/" -f1)
+ fail_trgts+="$fail_target "
+ targets=$(echo "$targets" | grep -v "$fail_target")
+ else
+ echo "PASS: $test dependency check passed $lib" >> $pass
+ let pass_cnt+=1
+ pass_libs+="$lib "
+ pass_trgts+="$(echo "$test" | cut -d "/" -f1) "
+ fi
+
+ done
+fi
+}
+
+print_results()
+{
+ echo -e "========================================================";
+ echo -e "Kselftest Dependency Check for [$0 $1 $2] results..."
+
+ if [ $print_targets -ne 0 ]
+ then
+ echo -e "Suggested Selftest Targets for your configuration:"
+ echo -e "$targets";
+ fi
+
+ echo -e "========================================================";
+ echo -e "Checked tests defining LDLIBS dependencies"
+ echo -e "--------------------------------------------------------";
+ echo -e "Total tests with Dependencies:"
+ echo -e "$total_cnt Pass: $pass_cnt Fail: $fail_cnt";
+
+ if [ $pass_cnt -ne 0 ]; then
+ echo -e "--------------------------------------------------------";
+ cat $pass
+ echo -e "--------------------------------------------------------";
+ echo -e "Targets passed build dependency check on system:"
+ echo -e "$(echo "$pass_trgts" | xargs -n1 | sort -u | xargs)"
+ fi
+
+ if [ $fail_cnt -ne 0 ]; then
+ echo -e "--------------------------------------------------------";
+ cat $fail
+ echo -e "--------------------------------------------------------";
+ echo -e "Targets failed build dependency check on system:"
+ echo -e "$(echo "$fail_trgts" | xargs -n1 | sort -u | xargs)"
+ echo -e "--------------------------------------------------------";
+ echo -e "Missing libraries system"
+ echo -e "$(echo "$fail_libs" | xargs -n1 | sort -u | xargs)"
+ fi
+
+ echo -e "--------------------------------------------------------";
+ echo -e "========================================================";
+}
+
+main "$@"
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 2902f6a78f8a..c9f03ef93338 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -168,9 +168,17 @@
#define __TEST_IMPL(test_name, _signal) \
static void test_name(struct __test_metadata *_metadata); \
+ static inline void wrapper_##test_name( \
+ struct __test_metadata *_metadata, \
+ struct __fixture_variant_metadata *variant) \
+ { \
+ test_name(_metadata); \
+ } \
static struct __test_metadata _##test_name##_object = \
- { .name = "global." #test_name, \
- .fn = &test_name, .termsig = _signal, \
+ { .name = #test_name, \
+ .fn = &wrapper_##test_name, \
+ .fixture = &_fixture_global, \
+ .termsig = _signal, \
.timeout = TEST_TIMEOUT_DEFAULT, }; \
static void __attribute__((constructor)) _register_##test_name(void) \
{ \
@@ -212,10 +220,13 @@
* populated and cleaned up using FIXTURE_SETUP() and FIXTURE_TEARDOWN().
*/
#define FIXTURE(fixture_name) \
+ FIXTURE_VARIANT(fixture_name); \
+ static struct __fixture_metadata _##fixture_name##_fixture_object = \
+ { .name = #fixture_name, }; \
static void __attribute__((constructor)) \
_register_##fixture_name##_data(void) \
{ \
- __fixture_count++; \
+ __register_fixture(&_##fixture_name##_fixture_object); \
} \
FIXTURE_DATA(fixture_name)
@@ -241,7 +252,10 @@
#define FIXTURE_SETUP(fixture_name) \
void fixture_name##_setup( \
struct __test_metadata __attribute__((unused)) *_metadata, \
- FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
+ FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
+ const FIXTURE_VARIANT(fixture_name) \
+ __attribute__((unused)) *variant)
+
/**
* FIXTURE_TEARDOWN(fixture_name)
* *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
@@ -264,6 +278,59 @@
FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
/**
+ * FIXTURE_VARIANT(fixture_name) - Optionally called once per fixture
+ * to declare fixture variant
+ *
+ * @fixture_name: fixture name
+ *
+ * .. code-block:: c
+ *
+ * FIXTURE_VARIANT(datatype name) {
+ * type property1;
+ * ...
+ * };
+ *
+ * Defines type of constant parameters provided to FIXTURE_SETUP() and TEST_F()
+ * as *variant*. Variants allow the same tests to be run with different
+ * arguments.
+ */
+#define FIXTURE_VARIANT(fixture_name) struct _fixture_variant_##fixture_name
+
+/**
+ * FIXTURE_VARIANT_ADD(fixture_name, variant_name) - Called once per fixture
+ * variant to setup and register the data
+ *
+ * @fixture_name: fixture name
+ * @variant_name: name of the parameter set
+ *
+ * .. code-block:: c
+ *
+ * FIXTURE_ADD(datatype name) {
+ * .property1 = val1;
+ * ...
+ * };
+ *
+ * Defines a variant of the test fixture, provided to FIXTURE_SETUP() and
+ * TEST_F() as *variant*. Tests of each fixture will be run once for each
+ * variant.
+ */
+#define FIXTURE_VARIANT_ADD(fixture_name, variant_name) \
+ extern FIXTURE_VARIANT(fixture_name) \
+ _##fixture_name##_##variant_name##_variant; \
+ static struct __fixture_variant_metadata \
+ _##fixture_name##_##variant_name##_object = \
+ { .name = #variant_name, \
+ .data = &_##fixture_name##_##variant_name##_variant}; \
+ static void __attribute__((constructor)) \
+ _register_##fixture_name##_##variant_name(void) \
+ { \
+ __register_fixture_variant(&_##fixture_name##_fixture_object, \
+ &_##fixture_name##_##variant_name##_object); \
+ } \
+ FIXTURE_VARIANT(fixture_name) \
+ _##fixture_name##_##variant_name##_variant =
+
+/**
* TEST_F(fixture_name, test_name) - Emits test registration and helpers for
* fixture-based test cases
*
@@ -293,24 +360,27 @@
#define __TEST_F_IMPL(fixture_name, test_name, signal, tmout) \
static void fixture_name##_##test_name( \
struct __test_metadata *_metadata, \
- FIXTURE_DATA(fixture_name) *self); \
+ FIXTURE_DATA(fixture_name) *self, \
+ const FIXTURE_VARIANT(fixture_name) *variant); \
static inline void wrapper_##fixture_name##_##test_name( \
- struct __test_metadata *_metadata) \
+ struct __test_metadata *_metadata, \
+ struct __fixture_variant_metadata *variant) \
{ \
/* fixture data is alloced, setup, and torn down per call. */ \
FIXTURE_DATA(fixture_name) self; \
memset(&self, 0, sizeof(FIXTURE_DATA(fixture_name))); \
- fixture_name##_setup(_metadata, &self); \
+ fixture_name##_setup(_metadata, &self, variant->data); \
/* Let setup failure terminate early. */ \
if (!_metadata->passed) \
return; \
- fixture_name##_##test_name(_metadata, &self); \
+ fixture_name##_##test_name(_metadata, &self, variant->data); \
fixture_name##_teardown(_metadata, &self); \
} \
static struct __test_metadata \
_##fixture_name##_##test_name##_object = { \
- .name = #fixture_name "." #test_name, \
+ .name = #test_name, \
.fn = &wrapper_##fixture_name##_##test_name, \
+ .fixture = &_##fixture_name##_fixture_object, \
.termsig = signal, \
.timeout = tmout, \
}; \
@@ -321,7 +391,9 @@
} \
static void fixture_name##_##test_name( \
struct __test_metadata __attribute__((unused)) *_metadata, \
- FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
+ FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
+ const FIXTURE_VARIANT(fixture_name) \
+ __attribute__((unused)) *variant)
/**
* TEST_HARNESS_MAIN - Simple wrapper to run the test harness
@@ -631,11 +703,74 @@
} \
} while (0); OPTIONAL_HANDLER(_assert)
+/* List helpers */
+#define __LIST_APPEND(head, item) \
+{ \
+ /* Circular linked list where only prev is circular. */ \
+ if (head == NULL) { \
+ head = item; \
+ item->next = NULL; \
+ item->prev = item; \
+ return; \
+ } \
+ if (__constructor_order == _CONSTRUCTOR_ORDER_FORWARD) { \
+ item->next = NULL; \
+ item->prev = head->prev; \
+ item->prev->next = item; \
+ head->prev = item; \
+ } else { \
+ item->next = head; \
+ item->next->prev = item; \
+ item->prev = item; \
+ head = item; \
+ } \
+}
+
+struct __test_metadata;
+struct __fixture_variant_metadata;
+
+/* Contains all the information about a fixture. */
+struct __fixture_metadata {
+ const char *name;
+ struct __test_metadata *tests;
+ struct __fixture_variant_metadata *variant;
+ struct __fixture_metadata *prev, *next;
+} _fixture_global __attribute__((unused)) = {
+ .name = "global",
+ .prev = &_fixture_global,
+};
+
+static struct __fixture_metadata *__fixture_list = &_fixture_global;
+static int __constructor_order;
+
+#define _CONSTRUCTOR_ORDER_FORWARD 1
+#define _CONSTRUCTOR_ORDER_BACKWARD -1
+
+static inline void __register_fixture(struct __fixture_metadata *f)
+{
+ __LIST_APPEND(__fixture_list, f);
+}
+
+struct __fixture_variant_metadata {
+ const char *name;
+ const void *data;
+ struct __fixture_variant_metadata *prev, *next;
+};
+
+static inline void
+__register_fixture_variant(struct __fixture_metadata *f,
+ struct __fixture_variant_metadata *variant)
+{
+ __LIST_APPEND(f->variant, variant);
+}
+
/* Contains all the information for test execution and status checking. */
struct __test_metadata {
const char *name;
- void (*fn)(struct __test_metadata *);
+ void (*fn)(struct __test_metadata *,
+ struct __fixture_variant_metadata *);
pid_t pid; /* pid of test when being run */
+ struct __fixture_metadata *fixture;
int termsig;
int passed;
int trigger; /* extra handler after the evaluation */
@@ -646,15 +781,6 @@ struct __test_metadata {
struct __test_metadata *prev, *next;
};
-/* Storage for the (global) tests to be run. */
-static struct __test_metadata *__test_list;
-static unsigned int __test_count;
-static unsigned int __fixture_count;
-static int __constructor_order;
-
-#define _CONSTRUCTOR_ORDER_FORWARD 1
-#define _CONSTRUCTOR_ORDER_BACKWARD -1
-
/*
* Since constructors are called in reverse order, reverse the test
* list so tests are run in source declaration order.
@@ -666,25 +792,7 @@ static int __constructor_order;
*/
static inline void __register_test(struct __test_metadata *t)
{
- __test_count++;
- /* Circular linked list where only prev is circular. */
- if (__test_list == NULL) {
- __test_list = t;
- t->next = NULL;
- t->prev = t;
- return;
- }
- if (__constructor_order == _CONSTRUCTOR_ORDER_FORWARD) {
- t->next = NULL;
- t->prev = __test_list->prev;
- t->prev->next = t;
- __test_list->prev = t;
- } else {
- t->next = __test_list;
- t->next->prev = t;
- t->prev = t;
- __test_list = t;
- }
+ __LIST_APPEND(t->fixture->tests, t);
}
static inline int __bail(int for_realz, bool no_print, __u8 step)
@@ -705,7 +813,7 @@ static void __timeout_handler(int sig, siginfo_t *info, void *ucontext)
/* Sanity check handler execution environment. */
if (!t) {
fprintf(TH_LOG_STREAM,
- "no active test in SIGARLM handler!?\n");
+ "no active test in SIGALRM handler!?\n");
abort();
}
if (sig != SIGALRM || sig != info->si_signo) {
@@ -731,7 +839,7 @@ void __wait_for_test(struct __test_metadata *t)
if (sigaction(SIGALRM, &action, &saved_action)) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
- "%s: unable to install SIGARLM handler\n",
+ "%s: unable to install SIGALRM handler\n",
t->name);
return;
}
@@ -743,7 +851,7 @@ void __wait_for_test(struct __test_metadata *t)
if (sigaction(SIGALRM, &saved_action, NULL)) {
t->passed = 0;
fprintf(TH_LOG_STREAM,
- "%s: unable to uninstall SIGARLM handler\n",
+ "%s: unable to uninstall SIGALRM handler\n",
t->name);
return;
}
@@ -790,43 +898,67 @@ void __wait_for_test(struct __test_metadata *t)
}
}
-void __run_test(struct __test_metadata *t)
+void __run_test(struct __fixture_metadata *f,
+ struct __fixture_variant_metadata *variant,
+ struct __test_metadata *t)
{
+ /* reset test struct */
t->passed = 1;
t->trigger = 0;
- printf("[ RUN ] %s\n", t->name);
+ t->step = 0;
+ t->no_print = 0;
+
+ printf("[ RUN ] %s%s%s.%s\n",
+ f->name, variant->name[0] ? "." : "", variant->name, t->name);
t->pid = fork();
if (t->pid < 0) {
printf("ERROR SPAWNING TEST CHILD\n");
t->passed = 0;
} else if (t->pid == 0) {
- t->fn(t);
+ t->fn(t, variant);
/* return the step that failed or 0 */
_exit(t->passed ? 0 : t->step);
} else {
__wait_for_test(t);
}
- printf("[ %4s ] %s\n", (t->passed ? "OK" : "FAIL"), t->name);
+ printf("[ %4s ] %s%s%s.%s\n", (t->passed ? "OK" : "FAIL"),
+ f->name, variant->name[0] ? "." : "", variant->name, t->name);
}
static int test_harness_run(int __attribute__((unused)) argc,
char __attribute__((unused)) **argv)
{
+ struct __fixture_variant_metadata no_variant = { .name = "", };
+ struct __fixture_variant_metadata *v;
+ struct __fixture_metadata *f;
struct __test_metadata *t;
int ret = 0;
+ unsigned int case_count = 0, test_count = 0;
unsigned int count = 0;
unsigned int pass_count = 0;
+ for (f = __fixture_list; f; f = f->next) {
+ for (v = f->variant ?: &no_variant; v; v = v->next) {
+ case_count++;
+ for (t = f->tests; t; t = t->next)
+ test_count++;
+ }
+ }
+
/* TODO(wad) add optional arguments similar to gtest. */
printf("[==========] Running %u tests from %u test cases.\n",
- __test_count, __fixture_count + 1);
- for (t = __test_list; t; t = t->next) {
- count++;
- __run_test(t);
- if (t->passed)
- pass_count++;
- else
- ret = 1;
+ test_count, case_count);
+ for (f = __fixture_list; f; f = f->next) {
+ for (v = f->variant ?: &no_variant; v; v = v->next) {
+ for (t = f->tests; t; t = t->next) {
+ count++;
+ __run_test(f, v, t);
+ if (t->passed)
+ pass_count++;
+ else
+ ret = 1;
+ }
+ }
}
printf("[==========] %u / %u tests passed.\n", pass_count, count);
printf("[ %s ]\n", (ret ? "FAILED" : "PASSED"));
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index a9b2b48947ff..f159718f90c0 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -7,10 +7,10 @@
/x86_64/hyperv_cpuid
/x86_64/mmio_warning_test
/x86_64/platform_info_test
-/x86_64/set_memory_region_test
/x86_64/set_sregs_test
/x86_64/smm_test
/x86_64/state_test
+/x86_64/vmx_preemption_timer_test
/x86_64/svm_vmcall_test
/x86_64/sync_regs_test
/x86_64/vmx_close_while_nested_test
@@ -22,4 +22,5 @@
/demand_paging_test
/dirty_log_test
/kvm_create_max_vcpus
+/set_memory_region_test
/steal_time
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index 712a2ddd2a27..b4ff112e5c7e 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -5,8 +5,34 @@ all:
top_srcdir = ../../../..
KSFT_KHDR_INSTALL := 1
+
+# For cross-builds to work, UNAME_M has to map to ARCH and arch specific
+# directories and targets in this Makefile. "uname -m" doesn't map to
+# arch specific sub-directory names.
+#
+# UNAME_M variable to used to run the compiles pointing to the right arch
+# directories and build the right targets for these supported architectures.
+#
+# TEST_GEN_PROGS and LIBKVM are set using UNAME_M variable.
+# LINUX_TOOL_ARCH_INCLUDE is set using ARCH variable.
+#
+# x86_64 targets are named to include x86_64 as a suffix and directories
+# for includes are in x86_64 sub-directory. s390x and aarch64 follow the
+# same convention. "uname -m" doesn't result in the correct mapping for
+# s390x and aarch64.
+#
+# No change necessary for x86_64
UNAME_M := $(shell uname -m)
+# Set UNAME_M for arm64 compile/install to work
+ifeq ($(ARCH),arm64)
+ UNAME_M := aarch64
+endif
+# Set UNAME_M s390x compile/install to work
+ifeq ($(ARCH),s390)
+ UNAME_M := s390x
+endif
+
LIBKVM = lib/assert.c lib/elf.c lib/io.c lib/kvm_util.c lib/sparsebit.c lib/test_util.c
LIBKVM_x86_64 = lib/x86_64/processor.c lib/x86_64/vmx.c lib/x86_64/svm.c lib/x86_64/ucall.c
LIBKVM_aarch64 = lib/aarch64/processor.c lib/aarch64/ucall.c
@@ -17,10 +43,10 @@ TEST_GEN_PROGS_x86_64 += x86_64/evmcs_test
TEST_GEN_PROGS_x86_64 += x86_64/hyperv_cpuid
TEST_GEN_PROGS_x86_64 += x86_64/mmio_warning_test
TEST_GEN_PROGS_x86_64 += x86_64/platform_info_test
-TEST_GEN_PROGS_x86_64 += x86_64/set_memory_region_test
TEST_GEN_PROGS_x86_64 += x86_64/set_sregs_test
TEST_GEN_PROGS_x86_64 += x86_64/smm_test
TEST_GEN_PROGS_x86_64 += x86_64/state_test
+TEST_GEN_PROGS_x86_64 += x86_64/vmx_preemption_timer_test
TEST_GEN_PROGS_x86_64 += x86_64/svm_vmcall_test
TEST_GEN_PROGS_x86_64 += x86_64/sync_regs_test
TEST_GEN_PROGS_x86_64 += x86_64/vmx_close_while_nested_test
@@ -28,16 +54,19 @@ TEST_GEN_PROGS_x86_64 += x86_64/vmx_dirty_log_test
TEST_GEN_PROGS_x86_64 += x86_64/vmx_set_nested_state_test
TEST_GEN_PROGS_x86_64 += x86_64/vmx_tsc_adjust_test
TEST_GEN_PROGS_x86_64 += x86_64/xss_msr_test
+TEST_GEN_PROGS_x86_64 += x86_64/debug_regs
TEST_GEN_PROGS_x86_64 += clear_dirty_log_test
TEST_GEN_PROGS_x86_64 += demand_paging_test
TEST_GEN_PROGS_x86_64 += dirty_log_test
TEST_GEN_PROGS_x86_64 += kvm_create_max_vcpus
+TEST_GEN_PROGS_x86_64 += set_memory_region_test
TEST_GEN_PROGS_x86_64 += steal_time
TEST_GEN_PROGS_aarch64 += clear_dirty_log_test
TEST_GEN_PROGS_aarch64 += demand_paging_test
TEST_GEN_PROGS_aarch64 += dirty_log_test
TEST_GEN_PROGS_aarch64 += kvm_create_max_vcpus
+TEST_GEN_PROGS_aarch64 += set_memory_region_test
TEST_GEN_PROGS_aarch64 += steal_time
TEST_GEN_PROGS_s390x = s390x/memop
@@ -46,6 +75,7 @@ TEST_GEN_PROGS_s390x += s390x/sync_regs_test
TEST_GEN_PROGS_s390x += demand_paging_test
TEST_GEN_PROGS_s390x += dirty_log_test
TEST_GEN_PROGS_s390x += kvm_create_max_vcpus
+TEST_GEN_PROGS_s390x += set_memory_region_test
TEST_GEN_PROGS += $(TEST_GEN_PROGS_$(UNAME_M))
LIBKVM += $(LIBKVM_$(UNAME_M))
@@ -53,7 +83,7 @@ LIBKVM += $(LIBKVM_$(UNAME_M))
INSTALL_HDR_PATH = $(top_srcdir)/usr
LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include
-LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/x86/include
+LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/$(ARCH)/include
CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
-fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \
-I$(LINUX_TOOL_ARCH_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude \
@@ -84,6 +114,7 @@ $(LIBKVM_OBJ): $(OUTPUT)/%.o: %.c
$(OUTPUT)/libkvm.a: $(LIBKVM_OBJ)
$(AR) crs $@ $^
+x := $(shell mkdir -p $(sort $(dir $(TEST_GEN_PROGS))))
all: $(STATIC_LIBS)
$(TEST_GEN_PROGS): $(STATIC_LIBS)
diff --git a/tools/testing/selftests/kvm/include/evmcs.h b/tools/testing/selftests/kvm/include/evmcs.h
index d8f4d6bfe05d..a034438b6266 100644
--- a/tools/testing/selftests/kvm/include/evmcs.h
+++ b/tools/testing/selftests/kvm/include/evmcs.h
@@ -219,8 +219,8 @@ struct hv_enlightened_vmcs {
#define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
-struct hv_enlightened_vmcs *current_evmcs;
-struct hv_vp_assist_page *current_vp_assist;
+extern struct hv_enlightened_vmcs *current_evmcs;
+extern struct hv_vp_assist_page *current_vp_assist;
int vcpu_enable_evmcs(struct kvm_vm *vm, int vcpu_id);
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index a99b875f50d2..919e161dd289 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -10,6 +10,7 @@
#include "test_util.h"
#include "asm/kvm.h"
+#include "linux/list.h"
#include "linux/kvm.h"
#include <sys/ioctl.h>
@@ -113,6 +114,7 @@ int _vcpu_ioctl(struct kvm_vm *vm, uint32_t vcpuid, unsigned long ioctl,
void vm_ioctl(struct kvm_vm *vm, unsigned long ioctl, void *arg);
void vm_mem_region_set_flags(struct kvm_vm *vm, uint32_t slot, uint32_t flags);
void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa);
+void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot);
void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid);
vm_vaddr_t vm_vaddr_alloc(struct kvm_vm *vm, size_t sz, vm_vaddr_t vaddr_min,
uint32_t data_memslot, uint32_t pgd_memslot);
@@ -143,6 +145,8 @@ struct kvm_run *vcpu_state(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
int _vcpu_run(struct kvm_vm *vm, uint32_t vcpuid);
void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid);
+void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_guest_debug *debug);
void vcpu_set_mp_state(struct kvm_vm *vm, uint32_t vcpuid,
struct kvm_mp_state *mp_state);
void vcpu_regs_get(struct kvm_vm *vm, uint32_t vcpuid, struct kvm_regs *regs);
@@ -254,6 +258,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm);
unsigned int vm_get_page_size(struct kvm_vm *vm);
unsigned int vm_get_page_shift(struct kvm_vm *vm);
unsigned int vm_get_max_gfn(struct kvm_vm *vm);
+int vm_get_fd(struct kvm_vm *vm);
unsigned int vm_calc_num_guest_pages(enum vm_guest_mode mode, size_t size);
unsigned int vm_num_host_pages(enum vm_guest_mode mode, unsigned int num_guest_pages);
@@ -309,13 +314,30 @@ void ucall_uninit(struct kvm_vm *vm);
void ucall(uint64_t cmd, int nargs, ...);
uint64_t get_ucall(struct kvm_vm *vm, uint32_t vcpu_id, struct ucall *uc);
+#define GUEST_SYNC_ARGS(stage, arg1, arg2, arg3, arg4) \
+ ucall(UCALL_SYNC, 6, "hello", stage, arg1, arg2, arg3, arg4)
#define GUEST_SYNC(stage) ucall(UCALL_SYNC, 2, "hello", stage)
#define GUEST_DONE() ucall(UCALL_DONE, 0)
-#define GUEST_ASSERT(_condition) do { \
- if (!(_condition)) \
- ucall(UCALL_ABORT, 2, \
- "Failed guest assert: " \
- #_condition, __LINE__); \
+#define __GUEST_ASSERT(_condition, _nargs, _args...) do { \
+ if (!(_condition)) \
+ ucall(UCALL_ABORT, 2 + _nargs, \
+ "Failed guest assert: " \
+ #_condition, __LINE__, _args); \
} while (0)
+#define GUEST_ASSERT(_condition) \
+ __GUEST_ASSERT((_condition), 0, 0)
+
+#define GUEST_ASSERT_1(_condition, arg1) \
+ __GUEST_ASSERT((_condition), 1, (arg1))
+
+#define GUEST_ASSERT_2(_condition, arg1, arg2) \
+ __GUEST_ASSERT((_condition), 2, (arg1), (arg2))
+
+#define GUEST_ASSERT_3(_condition, arg1, arg2, arg3) \
+ __GUEST_ASSERT((_condition), 3, (arg1), (arg2), (arg3))
+
+#define GUEST_ASSERT_4(_condition, arg1, arg2, arg3, arg4) \
+ __GUEST_ASSERT((_condition), 4, (arg1), (arg2), (arg3), (arg4))
+
#endif /* SELFTEST_KVM_UTIL_H */
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index 7428513a4c68..82b7fe16a824 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -79,13 +79,16 @@ static inline uint64_t get_desc64_base(const struct desc64 *desc)
static inline uint64_t rdtsc(void)
{
uint32_t eax, edx;
-
+ uint64_t tsc_val;
/*
* The lfence is to wait (on Intel CPUs) until all previous
- * instructions have been executed.
+ * instructions have been executed. If software requires RDTSC to be
+ * executed prior to execution of any subsequent instruction, it can
+ * execute LFENCE immediately after RDTSC
*/
- __asm__ __volatile__("lfence; rdtsc" : "=a"(eax), "=d"(edx));
- return ((uint64_t)edx) << 32 | eax;
+ __asm__ __volatile__("lfence; rdtsc; lfence" : "=a"(eax), "=d"(edx));
+ tsc_val = ((uint64_t)edx) << 32 | eax;
+ return tsc_val;
}
static inline uint64_t rdtscp(uint32_t *aux)
diff --git a/tools/testing/selftests/kvm/include/x86_64/svm_util.h b/tools/testing/selftests/kvm/include/x86_64/svm_util.h
index cd037917fece..674151d24fcf 100644
--- a/tools/testing/selftests/kvm/include/x86_64/svm_util.h
+++ b/tools/testing/selftests/kvm/include/x86_64/svm_util.h
@@ -35,4 +35,14 @@ void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_r
void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa);
void nested_svm_check_supported(void);
+static inline bool cpu_has_svm(void)
+{
+ u32 eax = 0x80000001, ecx;
+
+ asm("cpuid" :
+ "=a" (eax), "=c" (ecx) : "0" (eax) : "ebx", "edx");
+
+ return ecx & CPUID_SVM;
+}
+
#endif /* SELFTEST_KVM_SVM_UTILS_H */
diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h
index 3d27069b9ed9..ccff3e6e2704 100644
--- a/tools/testing/selftests/kvm/include/x86_64/vmx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h
@@ -575,6 +575,33 @@ struct vmx_pages {
void *eptp;
};
+union vmx_basic {
+ u64 val;
+ struct {
+ u32 revision;
+ u32 size:13,
+ reserved1:3,
+ width:1,
+ dual:1,
+ type:4,
+ insouts:1,
+ ctrl:1,
+ vm_entry_exception_ctrl:1,
+ reserved2:7;
+ };
+};
+
+union vmx_ctrl_msr {
+ u64 val;
+ struct {
+ u32 set, clr;
+ };
+};
+
+union vmx_basic basic;
+union vmx_ctrl_msr ctrl_pin_rev;
+union vmx_ctrl_msr ctrl_exit_rev;
+
struct vmx_pages *vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva);
bool prepare_for_vmx_operation(struct vmx_pages *vmx);
void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp);
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 8a3523d4434f..c9cede5c7d0d 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -161,6 +161,9 @@ struct kvm_vm *_vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
vm = calloc(1, sizeof(*vm));
TEST_ASSERT(vm != NULL, "Insufficient Memory");
+ INIT_LIST_HEAD(&vm->vcpus);
+ INIT_LIST_HEAD(&vm->userspace_mem_regions);
+
vm->mode = mode;
vm->type = 0;
@@ -258,8 +261,7 @@ void kvm_vm_restart(struct kvm_vm *vmp, int perm)
if (vmp->has_irqchip)
vm_create_irqchip(vmp);
- for (region = vmp->userspace_mem_region_head; region;
- region = region->next) {
+ list_for_each_entry(region, &vmp->userspace_mem_regions, list) {
int ret = ioctl(vmp->fd, KVM_SET_USER_MEMORY_REGION, &region->region);
TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed,\n"
" rc: %i errno: %i\n"
@@ -319,8 +321,7 @@ userspace_mem_region_find(struct kvm_vm *vm, uint64_t start, uint64_t end)
{
struct userspace_mem_region *region;
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
uint64_t existing_start = region->region.guest_phys_addr;
uint64_t existing_end = region->region.guest_phys_addr
+ region->region.memory_size - 1;
@@ -378,11 +379,11 @@ kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
*/
struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid)
{
- struct vcpu *vcpup;
+ struct vcpu *vcpu;
- for (vcpup = vm->vcpu_head; vcpup; vcpup = vcpup->next) {
- if (vcpup->id == vcpuid)
- return vcpup;
+ list_for_each_entry(vcpu, &vm->vcpus, list) {
+ if (vcpu->id == vcpuid)
+ return vcpu;
}
return NULL;
@@ -392,18 +393,16 @@ struct vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpuid)
* VM VCPU Remove
*
* Input Args:
- * vm - Virtual Machine
- * vcpuid - VCPU ID
+ * vcpu - VCPU to remove
*
* Output Args: None
*
* Return: None, TEST_ASSERT failures for all error conditions
*
- * Within the VM specified by vm, removes the VCPU given by vcpuid.
+ * Removes a vCPU from a VM and frees its resources.
*/
-static void vm_vcpu_rm(struct kvm_vm *vm, uint32_t vcpuid)
+static void vm_vcpu_rm(struct vcpu *vcpu)
{
- struct vcpu *vcpu = vcpu_find(vm, vcpuid);
int ret;
ret = munmap(vcpu->state, sizeof(*vcpu->state));
@@ -413,21 +412,17 @@ static void vm_vcpu_rm(struct kvm_vm *vm, uint32_t vcpuid)
TEST_ASSERT(ret == 0, "Close of VCPU fd failed, rc: %i "
"errno: %i", ret, errno);
- if (vcpu->next)
- vcpu->next->prev = vcpu->prev;
- if (vcpu->prev)
- vcpu->prev->next = vcpu->next;
- else
- vm->vcpu_head = vcpu->next;
+ list_del(&vcpu->list);
free(vcpu);
}
void kvm_vm_release(struct kvm_vm *vmp)
{
+ struct vcpu *vcpu, *tmp;
int ret;
- while (vmp->vcpu_head)
- vm_vcpu_rm(vmp, vmp->vcpu_head->id);
+ list_for_each_entry_safe(vcpu, tmp, &vmp->vcpus, list)
+ vm_vcpu_rm(vcpu);
ret = close(vmp->fd);
TEST_ASSERT(ret == 0, "Close of vm fd failed,\n"
@@ -438,35 +433,38 @@ void kvm_vm_release(struct kvm_vm *vmp)
" vmp->kvm_fd: %i rc: %i errno: %i", vmp->kvm_fd, ret, errno);
}
+static void __vm_mem_region_delete(struct kvm_vm *vm,
+ struct userspace_mem_region *region)
+{
+ int ret;
+
+ list_del(&region->list);
+
+ region->region.memory_size = 0;
+ ret = ioctl(vm->fd, KVM_SET_USER_MEMORY_REGION, &region->region);
+ TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed, "
+ "rc: %i errno: %i", ret, errno);
+
+ sparsebit_free(&region->unused_phy_pages);
+ ret = munmap(region->mmap_start, region->mmap_size);
+ TEST_ASSERT(ret == 0, "munmap failed, rc: %i errno: %i", ret, errno);
+
+ free(region);
+}
+
/*
* Destroys and frees the VM pointed to by vmp.
*/
void kvm_vm_free(struct kvm_vm *vmp)
{
- int ret;
+ struct userspace_mem_region *region, *tmp;
if (vmp == NULL)
return;
/* Free userspace_mem_regions. */
- while (vmp->userspace_mem_region_head) {
- struct userspace_mem_region *region
- = vmp->userspace_mem_region_head;
-
- region->region.memory_size = 0;
- ret = ioctl(vmp->fd, KVM_SET_USER_MEMORY_REGION,
- &region->region);
- TEST_ASSERT(ret == 0, "KVM_SET_USER_MEMORY_REGION IOCTL failed, "
- "rc: %i errno: %i", ret, errno);
-
- vmp->userspace_mem_region_head = region->next;
- sparsebit_free(&region->unused_phy_pages);
- ret = munmap(region->mmap_start, region->mmap_size);
- TEST_ASSERT(ret == 0, "munmap failed, rc: %i errno: %i",
- ret, errno);
-
- free(region);
- }
+ list_for_each_entry_safe(region, tmp, &vmp->userspace_mem_regions, list)
+ __vm_mem_region_delete(vmp, region);
/* Free sparsebit arrays. */
sparsebit_free(&vmp->vpages_valid);
@@ -612,12 +610,10 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
(uint64_t) region->region.memory_size);
/* Confirm no region with the requested slot already exists. */
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
- if (region->region.slot == slot)
- break;
- }
- if (region != NULL)
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
+ if (region->region.slot != slot)
+ continue;
+
TEST_FAIL("A mem region with the requested slot "
"already exists.\n"
" requested slot: %u paddr: 0x%lx npages: 0x%lx\n"
@@ -626,6 +622,7 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
region->region.slot,
(uint64_t) region->region.guest_phys_addr,
(uint64_t) region->region.memory_size);
+ }
/* Allocate and initialize new mem region structure. */
region = calloc(1, sizeof(*region));
@@ -686,10 +683,7 @@ void vm_userspace_mem_region_add(struct kvm_vm *vm,
guest_paddr, (uint64_t) region->region.memory_size);
/* Add to linked-list of memory regions. */
- if (vm->userspace_mem_region_head)
- vm->userspace_mem_region_head->prev = region;
- region->next = vm->userspace_mem_region_head;
- vm->userspace_mem_region_head = region;
+ list_add(&region->list, &vm->userspace_mem_regions);
}
/*
@@ -712,20 +706,17 @@ memslot2region(struct kvm_vm *vm, uint32_t memslot)
{
struct userspace_mem_region *region;
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
if (region->region.slot == memslot)
- break;
- }
- if (region == NULL) {
- fprintf(stderr, "No mem region with the requested slot found,\n"
- " requested slot: %u\n", memslot);
- fputs("---- vm dump ----\n", stderr);
- vm_dump(stderr, vm, 2);
- TEST_FAIL("Mem region not found");
+ return region;
}
- return region;
+ fprintf(stderr, "No mem region with the requested slot found,\n"
+ " requested slot: %u\n", memslot);
+ fputs("---- vm dump ----\n", stderr);
+ vm_dump(stderr, vm, 2);
+ TEST_FAIL("Mem region not found");
+ return NULL;
}
/*
@@ -789,6 +780,24 @@ void vm_mem_region_move(struct kvm_vm *vm, uint32_t slot, uint64_t new_gpa)
}
/*
+ * VM Memory Region Delete
+ *
+ * Input Args:
+ * vm - Virtual Machine
+ * slot - Slot of the memory region to delete
+ *
+ * Output Args: None
+ *
+ * Return: None
+ *
+ * Delete a memory region.
+ */
+void vm_mem_region_delete(struct kvm_vm *vm, uint32_t slot)
+{
+ __vm_mem_region_delete(vm, memslot2region(vm, slot));
+}
+
+/*
* VCPU mmap Size
*
* Input Args: None
@@ -863,10 +872,7 @@ void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid)
"vcpu id: %u errno: %i", vcpuid, errno);
/* Add to linked-list of VCPUs. */
- if (vm->vcpu_head)
- vm->vcpu_head->prev = vcpu;
- vcpu->next = vm->vcpu_head;
- vm->vcpu_head = vcpu;
+ list_add(&vcpu->list, &vm->vcpus);
}
/*
@@ -1059,8 +1065,8 @@ void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
void *addr_gpa2hva(struct kvm_vm *vm, vm_paddr_t gpa)
{
struct userspace_mem_region *region;
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
+
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
if ((gpa >= region->region.guest_phys_addr)
&& (gpa <= (region->region.guest_phys_addr
+ region->region.memory_size - 1)))
@@ -1092,8 +1098,8 @@ void *addr_gpa2hva(struct kvm_vm *vm, vm_paddr_t gpa)
vm_paddr_t addr_hva2gpa(struct kvm_vm *vm, void *hva)
{
struct userspace_mem_region *region;
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
+
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
if ((hva >= region->host_mem)
&& (hva <= (region->host_mem
+ region->region.memory_size - 1)))
@@ -1201,6 +1207,15 @@ void vcpu_run_complete_io(struct kvm_vm *vm, uint32_t vcpuid)
ret, errno);
}
+void vcpu_set_guest_debug(struct kvm_vm *vm, uint32_t vcpuid,
+ struct kvm_guest_debug *debug)
+{
+ struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+ int ret = ioctl(vcpu->fd, KVM_SET_GUEST_DEBUG, debug);
+
+ TEST_ASSERT(ret == 0, "KVM_SET_GUEST_DEBUG failed: %d", ret);
+}
+
/*
* VM VCPU Set MP State
*
@@ -1520,8 +1535,7 @@ void vm_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
fprintf(stream, "%*sfd: %i\n", indent, "", vm->fd);
fprintf(stream, "%*spage_size: 0x%x\n", indent, "", vm->page_size);
fprintf(stream, "%*sMem Regions:\n", indent, "");
- for (region = vm->userspace_mem_region_head; region;
- region = region->next) {
+ list_for_each_entry(region, &vm->userspace_mem_regions, list) {
fprintf(stream, "%*sguest_phys: 0x%lx size: 0x%lx "
"host_virt: %p\n", indent + 2, "",
(uint64_t) region->region.guest_phys_addr,
@@ -1540,7 +1554,7 @@ void vm_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
virt_dump(stream, vm, indent + 4);
}
fprintf(stream, "%*sVCPUs:\n", indent, "");
- for (vcpu = vm->vcpu_head; vcpu; vcpu = vcpu->next)
+ list_for_each_entry(vcpu, &vm->vcpus, list)
vcpu_dump(stream, vm, vcpu->id, indent + 2);
}
@@ -1734,6 +1748,11 @@ unsigned int vm_get_max_gfn(struct kvm_vm *vm)
return vm->max_gfn;
}
+int vm_get_fd(struct kvm_vm *vm)
+{
+ return vm->fd;
+}
+
static unsigned int vm_calc_num_pages(unsigned int num_pages,
unsigned int page_shift,
unsigned int new_page_shift,
diff --git a/tools/testing/selftests/kvm/lib/kvm_util_internal.h b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
index ca56a0133127..2ef446520748 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util_internal.h
+++ b/tools/testing/selftests/kvm/lib/kvm_util_internal.h
@@ -13,7 +13,6 @@
#define KVM_DEV_PATH "/dev/kvm"
struct userspace_mem_region {
- struct userspace_mem_region *next, *prev;
struct kvm_userspace_memory_region region;
struct sparsebit *unused_phy_pages;
int fd;
@@ -21,10 +20,11 @@ struct userspace_mem_region {
void *host_mem;
void *mmap_start;
size_t mmap_size;
+ struct list_head list;
};
struct vcpu {
- struct vcpu *next, *prev;
+ struct list_head list;
uint32_t id;
int fd;
struct kvm_run *state;
@@ -41,8 +41,8 @@ struct kvm_vm {
unsigned int pa_bits;
unsigned int va_bits;
uint64_t max_gfn;
- struct vcpu *vcpu_head;
- struct userspace_mem_region *userspace_mem_region_head;
+ struct list_head vcpus;
+ struct list_head userspace_mem_regions;
struct sparsebit *vpages_valid;
struct sparsebit *vpages_mapped;
bool has_irqchip;
diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c
index 8d94961bd046..a88c5d665725 100644
--- a/tools/testing/selftests/kvm/lib/s390x/processor.c
+++ b/tools/testing/selftests/kvm/lib/s390x/processor.c
@@ -233,7 +233,10 @@ void vcpu_args_set(struct kvm_vm *vm, uint32_t vcpuid, unsigned int num, ...)
void vcpu_dump(FILE *stream, struct kvm_vm *vm, uint32_t vcpuid, uint8_t indent)
{
- struct vcpu *vcpu = vm->vcpu_head;
+ struct vcpu *vcpu = vcpu_find(vm, vcpuid);
+
+ if (!vcpu)
+ return;
fprintf(stream, "%*spstate: psw: 0x%.16llx:0x%.16llx\n",
indent, "", vcpu->state->psw_mask, vcpu->state->psw_addr);
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 6f17f69394be..4ae104f6ce69 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -17,6 +17,9 @@
bool enable_evmcs;
+struct hv_enlightened_vmcs *current_evmcs;
+struct hv_vp_assist_page *current_vp_assist;
+
struct eptPageTableEntry {
uint64_t readable:1;
uint64_t writable:1;
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
new file mode 100644
index 000000000000..b3ece55a2da6
--- /dev/null
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -0,0 +1,408 @@
+// SPDX-License-Identifier: GPL-2.0
+#define _GNU_SOURCE /* for program_invocation_short_name */
+#include <fcntl.h>
+#include <pthread.h>
+#include <sched.h>
+#include <semaphore.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+
+#include <linux/compiler.h>
+
+#include <test_util.h>
+#include <kvm_util.h>
+#include <processor.h>
+
+#define VCPU_ID 0
+
+/*
+ * s390x needs at least 1MB alignment, and the x86_64 MOVE/DELETE tests need a
+ * 2MB sized and aligned region so that the initial region corresponds to
+ * exactly one large page.
+ */
+#define MEM_REGION_SIZE 0x200000
+
+#ifdef __x86_64__
+/*
+ * Somewhat arbitrary location and slot, intended to not overlap anything.
+ */
+#define MEM_REGION_GPA 0xc0000000
+#define MEM_REGION_SLOT 10
+
+static const uint64_t MMIO_VAL = 0xbeefull;
+
+extern const uint64_t final_rip_start;
+extern const uint64_t final_rip_end;
+
+static sem_t vcpu_ready;
+
+static inline uint64_t guest_spin_on_val(uint64_t spin_val)
+{
+ uint64_t val;
+
+ do {
+ val = READ_ONCE(*((uint64_t *)MEM_REGION_GPA));
+ } while (val == spin_val);
+
+ GUEST_SYNC(0);
+ return val;
+}
+
+static void *vcpu_worker(void *data)
+{
+ struct kvm_vm *vm = data;
+ struct kvm_run *run;
+ struct ucall uc;
+ uint64_t cmd;
+
+ /*
+ * Loop until the guest is done. Re-enter the guest on all MMIO exits,
+ * which will occur if the guest attempts to access a memslot after it
+ * has been deleted or while it is being moved .
+ */
+ run = vcpu_state(vm, VCPU_ID);
+
+ while (1) {
+ vcpu_run(vm, VCPU_ID);
+
+ if (run->exit_reason == KVM_EXIT_IO) {
+ cmd = get_ucall(vm, VCPU_ID, &uc);
+ if (cmd != UCALL_SYNC)
+ break;
+
+ sem_post(&vcpu_ready);
+ continue;
+ }
+
+ if (run->exit_reason != KVM_EXIT_MMIO)
+ break;
+
+ TEST_ASSERT(!run->mmio.is_write, "Unexpected exit mmio write");
+ TEST_ASSERT(run->mmio.len == 8,
+ "Unexpected exit mmio size = %u", run->mmio.len);
+
+ TEST_ASSERT(run->mmio.phys_addr == MEM_REGION_GPA,
+ "Unexpected exit mmio address = 0x%llx",
+ run->mmio.phys_addr);
+ memcpy(run->mmio.data, &MMIO_VAL, 8);
+ }
+
+ if (run->exit_reason == KVM_EXIT_IO && cmd == UCALL_ABORT)
+ TEST_FAIL("%s at %s:%ld, val = %lu", (const char *)uc.args[0],
+ __FILE__, uc.args[1], uc.args[2]);
+
+ return NULL;
+}
+
+static void wait_for_vcpu(void)
+{
+ struct timespec ts;
+
+ TEST_ASSERT(!clock_gettime(CLOCK_REALTIME, &ts),
+ "clock_gettime() failed: %d\n", errno);
+
+ ts.tv_sec += 2;
+ TEST_ASSERT(!sem_timedwait(&vcpu_ready, &ts),
+ "sem_timedwait() failed: %d\n", errno);
+
+ /* Wait for the vCPU thread to reenter the guest. */
+ usleep(100000);
+}
+
+static struct kvm_vm *spawn_vm(pthread_t *vcpu_thread, void *guest_code)
+{
+ struct kvm_vm *vm;
+ uint64_t *hva;
+ uint64_t gpa;
+
+ vm = vm_create_default(VCPU_ID, 0, guest_code);
+
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+
+ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS_THP,
+ MEM_REGION_GPA, MEM_REGION_SLOT,
+ MEM_REGION_SIZE / getpagesize(), 0);
+
+ /*
+ * Allocate and map two pages so that the GPA accessed by guest_code()
+ * stays valid across the memslot move.
+ */
+ gpa = vm_phy_pages_alloc(vm, 2, MEM_REGION_GPA, MEM_REGION_SLOT);
+ TEST_ASSERT(gpa == MEM_REGION_GPA, "Failed vm_phy_pages_alloc\n");
+
+ virt_map(vm, MEM_REGION_GPA, MEM_REGION_GPA, 2, 0);
+
+ /* Ditto for the host mapping so that both pages can be zeroed. */
+ hva = addr_gpa2hva(vm, MEM_REGION_GPA);
+ memset(hva, 0, 2 * 4096);
+
+ pthread_create(vcpu_thread, NULL, vcpu_worker, vm);
+
+ /* Ensure the guest thread is spun up. */
+ wait_for_vcpu();
+
+ return vm;
+}
+
+
+static void guest_code_move_memory_region(void)
+{
+ uint64_t val;
+
+ GUEST_SYNC(0);
+
+ /*
+ * Spin until the memory region is moved to a misaligned address. This
+ * may or may not trigger MMIO, as the window where the memslot is
+ * invalid is quite small.
+ */
+ val = guest_spin_on_val(0);
+ GUEST_ASSERT_1(val == 1 || val == MMIO_VAL, val);
+
+ /* Spin until the memory region is realigned. */
+ val = guest_spin_on_val(MMIO_VAL);
+ GUEST_ASSERT_1(val == 1, val);
+
+ GUEST_DONE();
+}
+
+static void test_move_memory_region(void)
+{
+ pthread_t vcpu_thread;
+ struct kvm_vm *vm;
+ uint64_t *hva;
+
+ vm = spawn_vm(&vcpu_thread, guest_code_move_memory_region);
+
+ hva = addr_gpa2hva(vm, MEM_REGION_GPA);
+
+ /*
+ * Shift the region's base GPA. The guest should not see "2" as the
+ * hva->gpa translation is misaligned, i.e. the guest is accessing a
+ * different host pfn.
+ */
+ vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA - 4096);
+ WRITE_ONCE(*hva, 2);
+
+ /*
+ * The guest _might_ see an invalid memslot and trigger MMIO, but it's
+ * a tiny window. Spin and defer the sync until the memslot is
+ * restored and guest behavior is once again deterministic.
+ */
+ usleep(100000);
+
+ /*
+ * Note, value in memory needs to be changed *before* restoring the
+ * memslot, else the guest could race the update and see "2".
+ */
+ WRITE_ONCE(*hva, 1);
+
+ /* Restore the original base, the guest should see "1". */
+ vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA);
+ wait_for_vcpu();
+ /* Defered sync from when the memslot was misaligned (above). */
+ wait_for_vcpu();
+
+ pthread_join(vcpu_thread, NULL);
+
+ kvm_vm_free(vm);
+}
+
+static void guest_code_delete_memory_region(void)
+{
+ uint64_t val;
+
+ GUEST_SYNC(0);
+
+ /* Spin until the memory region is deleted. */
+ val = guest_spin_on_val(0);
+ GUEST_ASSERT_1(val == MMIO_VAL, val);
+
+ /* Spin until the memory region is recreated. */
+ val = guest_spin_on_val(MMIO_VAL);
+ GUEST_ASSERT_1(val == 0, val);
+
+ /* Spin until the memory region is deleted. */
+ val = guest_spin_on_val(0);
+ GUEST_ASSERT_1(val == MMIO_VAL, val);
+
+ asm("1:\n\t"
+ ".pushsection .rodata\n\t"
+ ".global final_rip_start\n\t"
+ "final_rip_start: .quad 1b\n\t"
+ ".popsection");
+
+ /* Spin indefinitely (until the code memslot is deleted). */
+ guest_spin_on_val(MMIO_VAL);
+
+ asm("1:\n\t"
+ ".pushsection .rodata\n\t"
+ ".global final_rip_end\n\t"
+ "final_rip_end: .quad 1b\n\t"
+ ".popsection");
+
+ GUEST_ASSERT_1(0, 0);
+}
+
+static void test_delete_memory_region(void)
+{
+ pthread_t vcpu_thread;
+ struct kvm_regs regs;
+ struct kvm_run *run;
+ struct kvm_vm *vm;
+
+ vm = spawn_vm(&vcpu_thread, guest_code_delete_memory_region);
+
+ /* Delete the memory region, the guest should not die. */
+ vm_mem_region_delete(vm, MEM_REGION_SLOT);
+ wait_for_vcpu();
+
+ /* Recreate the memory region. The guest should see "0". */
+ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS_THP,
+ MEM_REGION_GPA, MEM_REGION_SLOT,
+ MEM_REGION_SIZE / getpagesize(), 0);
+ wait_for_vcpu();
+
+ /* Delete the region again so that there's only one memslot left. */
+ vm_mem_region_delete(vm, MEM_REGION_SLOT);
+ wait_for_vcpu();
+
+ /*
+ * Delete the primary memslot. This should cause an emulation error or
+ * shutdown due to the page tables getting nuked.
+ */
+ vm_mem_region_delete(vm, 0);
+
+ pthread_join(vcpu_thread, NULL);
+
+ run = vcpu_state(vm, VCPU_ID);
+
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN ||
+ run->exit_reason == KVM_EXIT_INTERNAL_ERROR,
+ "Unexpected exit reason = %d", run->exit_reason);
+
+ vcpu_regs_get(vm, VCPU_ID, &regs);
+
+ /*
+ * On AMD, after KVM_EXIT_SHUTDOWN the VMCB has been reinitialized already,
+ * so the instruction pointer would point to the reset vector.
+ */
+ if (run->exit_reason == KVM_EXIT_INTERNAL_ERROR)
+ TEST_ASSERT(regs.rip >= final_rip_start &&
+ regs.rip < final_rip_end,
+ "Bad rip, expected 0x%lx - 0x%lx, got 0x%llx\n",
+ final_rip_start, final_rip_end, regs.rip);
+
+ kvm_vm_free(vm);
+}
+
+static void test_zero_memory_regions(void)
+{
+ struct kvm_run *run;
+ struct kvm_vm *vm;
+
+ pr_info("Testing KVM_RUN with zero added memory regions\n");
+
+ vm = vm_create(VM_MODE_DEFAULT, 0, O_RDWR);
+ vm_vcpu_add(vm, VCPU_ID);
+
+ TEST_ASSERT(!ioctl(vm_get_fd(vm), KVM_SET_NR_MMU_PAGES, 64),
+ "KVM_SET_NR_MMU_PAGES failed, errno = %d\n", errno);
+ vcpu_run(vm, VCPU_ID);
+
+ run = vcpu_state(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_INTERNAL_ERROR,
+ "Unexpected exit_reason = %u\n", run->exit_reason);
+
+ kvm_vm_free(vm);
+}
+#endif /* __x86_64__ */
+
+/*
+ * Test it can be added memory slots up to KVM_CAP_NR_MEMSLOTS, then any
+ * tentative to add further slots should fail.
+ */
+static void test_add_max_memory_regions(void)
+{
+ int ret;
+ struct kvm_vm *vm;
+ uint32_t max_mem_slots;
+ uint32_t slot;
+ uint64_t guest_addr = 0x0;
+ uint64_t mem_reg_npages;
+ void *mem;
+
+ max_mem_slots = kvm_check_cap(KVM_CAP_NR_MEMSLOTS);
+ TEST_ASSERT(max_mem_slots > 0,
+ "KVM_CAP_NR_MEMSLOTS should be greater than 0");
+ pr_info("Allowed number of memory slots: %i\n", max_mem_slots);
+
+ vm = vm_create(VM_MODE_DEFAULT, 0, O_RDWR);
+
+ mem_reg_npages = vm_calc_num_guest_pages(VM_MODE_DEFAULT, MEM_REGION_SIZE);
+
+ /* Check it can be added memory slots up to the maximum allowed */
+ pr_info("Adding slots 0..%i, each memory region with %dK size\n",
+ (max_mem_slots - 1), MEM_REGION_SIZE >> 10);
+ for (slot = 0; slot < max_mem_slots; slot++) {
+ vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
+ guest_addr, slot, mem_reg_npages,
+ 0);
+ guest_addr += MEM_REGION_SIZE;
+ }
+
+ /* Check it cannot be added memory slots beyond the limit */
+ mem = mmap(NULL, MEM_REGION_SIZE, PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ TEST_ASSERT(mem != MAP_FAILED, "Failed to mmap() host");
+
+ ret = ioctl(vm_get_fd(vm), KVM_SET_USER_MEMORY_REGION,
+ &(struct kvm_userspace_memory_region) {slot, 0, guest_addr,
+ MEM_REGION_SIZE, (uint64_t) mem});
+ TEST_ASSERT(ret == -1 && errno == EINVAL,
+ "Adding one more memory slot should fail with EINVAL");
+
+ munmap(mem, MEM_REGION_SIZE);
+ kvm_vm_free(vm);
+}
+
+int main(int argc, char *argv[])
+{
+#ifdef __x86_64__
+ int i, loops;
+#endif
+
+ /* Tell stdout not to buffer its content */
+ setbuf(stdout, NULL);
+
+#ifdef __x86_64__
+ /*
+ * FIXME: the zero-memslot test fails on aarch64 and s390x because
+ * KVM_RUN fails with ENOEXEC or EFAULT.
+ */
+ test_zero_memory_regions();
+#endif
+
+ test_add_max_memory_regions();
+
+#ifdef __x86_64__
+ if (argc > 1)
+ loops = atoi(argv[1]);
+ else
+ loops = 10;
+
+ pr_info("Testing MOVE of in-use region, %d loops\n", loops);
+ for (i = 0; i < loops; i++)
+ test_move_memory_region();
+
+ pr_info("Testing DELETE of in-use region, %d loops\n", loops);
+ for (i = 0; i < loops; i++)
+ test_delete_memory_region();
+#endif
+
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/x86_64/debug_regs.c b/tools/testing/selftests/kvm/x86_64/debug_regs.c
new file mode 100644
index 000000000000..8162c58a1234
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/debug_regs.c
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KVM guest debug register tests
+ *
+ * Copyright (C) 2020, Red Hat, Inc.
+ */
+#include <stdio.h>
+#include <string.h>
+#include "kvm_util.h"
+#include "processor.h"
+
+#define VCPU_ID 0
+
+#define DR6_BD (1 << 13)
+#define DR7_GD (1 << 13)
+
+/* For testing data access debug BP */
+uint32_t guest_value;
+
+extern unsigned char sw_bp, hw_bp, write_data, ss_start, bd_start;
+
+static void guest_code(void)
+{
+ /*
+ * Software BP tests.
+ *
+ * NOTE: sw_bp need to be before the cmd here, because int3 is an
+ * exception rather than a normal trap for KVM_SET_GUEST_DEBUG (we
+ * capture it using the vcpu exception bitmap).
+ */
+ asm volatile("sw_bp: int3");
+
+ /* Hardware instruction BP test */
+ asm volatile("hw_bp: nop");
+
+ /* Hardware data BP test */
+ asm volatile("mov $1234,%%rax;\n\t"
+ "mov %%rax,%0;\n\t write_data:"
+ : "=m" (guest_value) : : "rax");
+
+ /* Single step test, covers 2 basic instructions and 2 emulated */
+ asm volatile("ss_start: "
+ "xor %%rax,%%rax\n\t"
+ "cpuid\n\t"
+ "movl $0x1a0,%%ecx\n\t"
+ "rdmsr\n\t"
+ : : : "rax", "ecx");
+
+ /* DR6.BD test */
+ asm volatile("bd_start: mov %%dr0, %%rax" : : : "rax");
+ GUEST_DONE();
+}
+
+#define CLEAR_DEBUG() memset(&debug, 0, sizeof(debug))
+#define APPLY_DEBUG() vcpu_set_guest_debug(vm, VCPU_ID, &debug)
+#define CAST_TO_RIP(v) ((unsigned long long)&(v))
+#define SET_RIP(v) do { \
+ vcpu_regs_get(vm, VCPU_ID, &regs); \
+ regs.rip = (v); \
+ vcpu_regs_set(vm, VCPU_ID, &regs); \
+ } while (0)
+#define MOVE_RIP(v) SET_RIP(regs.rip + (v));
+
+int main(void)
+{
+ struct kvm_guest_debug debug;
+ unsigned long long target_dr6, target_rip;
+ struct kvm_regs regs;
+ struct kvm_run *run;
+ struct kvm_vm *vm;
+ struct ucall uc;
+ uint64_t cmd;
+ int i;
+ /* Instruction lengths starting at ss_start */
+ int ss_size[4] = {
+ 3, /* xor */
+ 2, /* cpuid */
+ 5, /* mov */
+ 2, /* rdmsr */
+ };
+
+ if (!kvm_check_cap(KVM_CAP_SET_GUEST_DEBUG)) {
+ print_skip("KVM_CAP_SET_GUEST_DEBUG not supported");
+ return 0;
+ }
+
+ vm = vm_create_default(VCPU_ID, 0, guest_code);
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ run = vcpu_state(vm, VCPU_ID);
+
+ /* Test software BPs - int3 */
+ CLEAR_DEBUG();
+ debug.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP;
+ APPLY_DEBUG();
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_DEBUG &&
+ run->debug.arch.exception == BP_VECTOR &&
+ run->debug.arch.pc == CAST_TO_RIP(sw_bp),
+ "INT3: exit %d exception %d rip 0x%llx (should be 0x%llx)",
+ run->exit_reason, run->debug.arch.exception,
+ run->debug.arch.pc, CAST_TO_RIP(sw_bp));
+ MOVE_RIP(1);
+
+ /* Test instruction HW BP over DR[0-3] */
+ for (i = 0; i < 4; i++) {
+ CLEAR_DEBUG();
+ debug.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_HW_BP;
+ debug.arch.debugreg[i] = CAST_TO_RIP(hw_bp);
+ debug.arch.debugreg[7] = 0x400 | (1UL << (2*i+1));
+ APPLY_DEBUG();
+ vcpu_run(vm, VCPU_ID);
+ target_dr6 = 0xffff0ff0 | (1UL << i);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_DEBUG &&
+ run->debug.arch.exception == DB_VECTOR &&
+ run->debug.arch.pc == CAST_TO_RIP(hw_bp) &&
+ run->debug.arch.dr6 == target_dr6,
+ "INS_HW_BP (DR%d): exit %d exception %d rip 0x%llx "
+ "(should be 0x%llx) dr6 0x%llx (should be 0x%llx)",
+ i, run->exit_reason, run->debug.arch.exception,
+ run->debug.arch.pc, CAST_TO_RIP(hw_bp),
+ run->debug.arch.dr6, target_dr6);
+ }
+ /* Skip "nop" */
+ MOVE_RIP(1);
+
+ /* Test data access HW BP over DR[0-3] */
+ for (i = 0; i < 4; i++) {
+ CLEAR_DEBUG();
+ debug.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_HW_BP;
+ debug.arch.debugreg[i] = CAST_TO_RIP(guest_value);
+ debug.arch.debugreg[7] = 0x00000400 | (1UL << (2*i+1)) |
+ (0x000d0000UL << (4*i));
+ APPLY_DEBUG();
+ vcpu_run(vm, VCPU_ID);
+ target_dr6 = 0xffff0ff0 | (1UL << i);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_DEBUG &&
+ run->debug.arch.exception == DB_VECTOR &&
+ run->debug.arch.pc == CAST_TO_RIP(write_data) &&
+ run->debug.arch.dr6 == target_dr6,
+ "DATA_HW_BP (DR%d): exit %d exception %d rip 0x%llx "
+ "(should be 0x%llx) dr6 0x%llx (should be 0x%llx)",
+ i, run->exit_reason, run->debug.arch.exception,
+ run->debug.arch.pc, CAST_TO_RIP(write_data),
+ run->debug.arch.dr6, target_dr6);
+ /* Rollback the 4-bytes "mov" */
+ MOVE_RIP(-7);
+ }
+ /* Skip the 4-bytes "mov" */
+ MOVE_RIP(7);
+
+ /* Test single step */
+ target_rip = CAST_TO_RIP(ss_start);
+ target_dr6 = 0xffff4ff0ULL;
+ vcpu_regs_get(vm, VCPU_ID, &regs);
+ for (i = 0; i < (sizeof(ss_size) / sizeof(ss_size[0])); i++) {
+ target_rip += ss_size[i];
+ CLEAR_DEBUG();
+ debug.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_SINGLESTEP;
+ debug.arch.debugreg[7] = 0x00000400;
+ APPLY_DEBUG();
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_DEBUG &&
+ run->debug.arch.exception == DB_VECTOR &&
+ run->debug.arch.pc == target_rip &&
+ run->debug.arch.dr6 == target_dr6,
+ "SINGLE_STEP[%d]: exit %d exception %d rip 0x%llx "
+ "(should be 0x%llx) dr6 0x%llx (should be 0x%llx)",
+ i, run->exit_reason, run->debug.arch.exception,
+ run->debug.arch.pc, target_rip, run->debug.arch.dr6,
+ target_dr6);
+ }
+
+ /* Finally test global disable */
+ CLEAR_DEBUG();
+ debug.control = KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_HW_BP;
+ debug.arch.debugreg[7] = 0x400 | DR7_GD;
+ APPLY_DEBUG();
+ vcpu_run(vm, VCPU_ID);
+ target_dr6 = 0xffff0ff0 | DR6_BD;
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_DEBUG &&
+ run->debug.arch.exception == DB_VECTOR &&
+ run->debug.arch.pc == CAST_TO_RIP(bd_start) &&
+ run->debug.arch.dr6 == target_dr6,
+ "DR7.GD: exit %d exception %d rip 0x%llx "
+ "(should be 0x%llx) dr6 0x%llx (should be 0x%llx)",
+ run->exit_reason, run->debug.arch.exception,
+ run->debug.arch.pc, target_rip, run->debug.arch.dr6,
+ target_dr6);
+
+ /* Disable all debug controls, run to the end */
+ CLEAR_DEBUG();
+ APPLY_DEBUG();
+
+ vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_IO, "KVM_EXIT_IO");
+ cmd = get_ucall(vm, VCPU_ID, &uc);
+ TEST_ASSERT(cmd == UCALL_DONE, "UCALL_DONE");
+
+ kvm_vm_free(vm);
+
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
index 83323f3d7ca0..4a7967cca281 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
@@ -26,18 +26,18 @@ static void guest_code(void)
{
}
-static int smt_possible(void)
+static bool smt_possible(void)
{
char buf[16];
FILE *f;
- bool res = 1;
+ bool res = true;
f = fopen("/sys/devices/system/cpu/smt/control", "r");
if (f) {
if (fread(buf, sizeof(*buf), sizeof(buf), f) > 0) {
if (!strncmp(buf, "forceoff", 8) ||
!strncmp(buf, "notsupported", 12))
- res = 0;
+ res = false;
}
fclose(f);
}
@@ -46,29 +46,31 @@ static int smt_possible(void)
}
static void test_hv_cpuid(struct kvm_cpuid2 *hv_cpuid_entries,
- int evmcs_enabled)
+ bool evmcs_enabled)
{
int i;
+ int nent = 9;
+ u32 test_val;
- if (!evmcs_enabled)
- TEST_ASSERT(hv_cpuid_entries->nent == 6,
- "KVM_GET_SUPPORTED_HV_CPUID should return 6 entries"
- " when Enlightened VMCS is disabled (returned %d)",
- hv_cpuid_entries->nent);
- else
- TEST_ASSERT(hv_cpuid_entries->nent == 7,
- "KVM_GET_SUPPORTED_HV_CPUID should return 7 entries"
- " when Enlightened VMCS is enabled (returned %d)",
- hv_cpuid_entries->nent);
+ if (evmcs_enabled)
+ nent += 1; /* 0x4000000A */
+
+ TEST_ASSERT(hv_cpuid_entries->nent == nent,
+ "KVM_GET_SUPPORTED_HV_CPUID should return %d entries"
+ " with evmcs=%d (returned %d)",
+ nent, evmcs_enabled, hv_cpuid_entries->nent);
for (i = 0; i < hv_cpuid_entries->nent; i++) {
struct kvm_cpuid_entry2 *entry = &hv_cpuid_entries->entries[i];
TEST_ASSERT((entry->function >= 0x40000000) &&
- (entry->function <= 0x4000000A),
+ (entry->function <= 0x40000082),
"function %x is our of supported range",
entry->function);
+ TEST_ASSERT(evmcs_enabled || (entry->function != 0x4000000A),
+ "0x4000000A leaf should not be reported");
+
TEST_ASSERT(entry->index == 0,
".index field should be zero");
@@ -78,12 +80,23 @@ static void test_hv_cpuid(struct kvm_cpuid2 *hv_cpuid_entries,
TEST_ASSERT(!entry->padding[0] && !entry->padding[1] &&
!entry->padding[2], "padding should be zero");
- if (entry->function == 0x40000004) {
- int nononarchcs = !!(entry->eax & (1UL << 18));
+ switch (entry->function) {
+ case 0x40000000:
+ test_val = 0x40000082;
- TEST_ASSERT(nononarchcs == !smt_possible(),
+ TEST_ASSERT(entry->eax == test_val,
+ "Wrong max leaf report in 0x40000000.EAX: %x"
+ " (evmcs=%d)",
+ entry->eax, evmcs_enabled
+ );
+ break;
+ case 0x40000004:
+ test_val = entry->eax & (1UL << 18);
+
+ TEST_ASSERT(!!test_val == !smt_possible(),
"NoNonArchitecturalCoreSharing bit"
" doesn't reflect SMT setting");
+ break;
}
/*
@@ -133,8 +146,9 @@ struct kvm_cpuid2 *kvm_get_supported_hv_cpuid(struct kvm_vm *vm)
int main(int argc, char *argv[])
{
struct kvm_vm *vm;
- int rv;
+ int rv, stage;
struct kvm_cpuid2 *hv_cpuid_entries;
+ bool evmcs_enabled;
/* Tell stdout not to buffer its content */
setbuf(stdout, NULL);
@@ -145,36 +159,31 @@ int main(int argc, char *argv[])
exit(KSFT_SKIP);
}
- /* Create VM */
- vm = vm_create_default(VCPU_ID, 0, guest_code);
-
- test_hv_cpuid_e2big(vm);
-
- hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm);
- if (!hv_cpuid_entries)
- return 1;
-
- test_hv_cpuid(hv_cpuid_entries, 0);
-
- free(hv_cpuid_entries);
+ for (stage = 0; stage < 3; stage++) {
+ evmcs_enabled = false;
+
+ vm = vm_create_default(VCPU_ID, 0, guest_code);
+ switch (stage) {
+ case 0:
+ test_hv_cpuid_e2big(vm);
+ continue;
+ case 1:
+ break;
+ case 2:
+ if (!kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
+ print_skip("Enlightened VMCS is unsupported");
+ continue;
+ }
+ vcpu_enable_evmcs(vm, VCPU_ID);
+ evmcs_enabled = true;
+ break;
+ }
- if (!kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
- print_skip("Enlightened VMCS is unsupported");
- goto vm_free;
+ hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm);
+ test_hv_cpuid(hv_cpuid_entries, evmcs_enabled);
+ free(hv_cpuid_entries);
+ kvm_vm_free(vm);
}
- vcpu_enable_evmcs(vm, VCPU_ID);
-
- hv_cpuid_entries = kvm_get_supported_hv_cpuid(vm);
- if (!hv_cpuid_entries)
- return 1;
-
- test_hv_cpuid(hv_cpuid_entries, 1);
-
- free(hv_cpuid_entries);
-
-vm_free:
- kvm_vm_free(vm);
-
return 0;
}
diff --git a/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c b/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c
deleted file mode 100644
index c6691cff4e19..000000000000
--- a/tools/testing/selftests/kvm/x86_64/set_memory_region_test.c
+++ /dev/null
@@ -1,141 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE /* for program_invocation_short_name */
-#include <fcntl.h>
-#include <pthread.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ioctl.h>
-
-#include <linux/compiler.h>
-
-#include <test_util.h>
-#include <kvm_util.h>
-#include <processor.h>
-
-#define VCPU_ID 0
-
-/*
- * Somewhat arbitrary location and slot, intended to not overlap anything. The
- * location and size are specifically 2mb sized/aligned so that the initial
- * region corresponds to exactly one large page.
- */
-#define MEM_REGION_GPA 0xc0000000
-#define MEM_REGION_SIZE 0x200000
-#define MEM_REGION_SLOT 10
-
-static void guest_code(void)
-{
- uint64_t val;
-
- do {
- val = READ_ONCE(*((uint64_t *)MEM_REGION_GPA));
- } while (!val);
-
- if (val != 1)
- ucall(UCALL_ABORT, 1, val);
-
- GUEST_DONE();
-}
-
-static void *vcpu_worker(void *data)
-{
- struct kvm_vm *vm = data;
- struct kvm_run *run;
- struct ucall uc;
- uint64_t cmd;
-
- /*
- * Loop until the guest is done. Re-enter the guest on all MMIO exits,
- * which will occur if the guest attempts to access a memslot while it
- * is being moved.
- */
- run = vcpu_state(vm, VCPU_ID);
- do {
- vcpu_run(vm, VCPU_ID);
- } while (run->exit_reason == KVM_EXIT_MMIO);
-
- TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
- "Unexpected exit reason = %d", run->exit_reason);
-
- cmd = get_ucall(vm, VCPU_ID, &uc);
- TEST_ASSERT(cmd == UCALL_DONE, "Unexpected val in guest = %lu", uc.args[0]);
- return NULL;
-}
-
-static void test_move_memory_region(void)
-{
- pthread_t vcpu_thread;
- struct kvm_vm *vm;
- uint64_t *hva;
- uint64_t gpa;
-
- vm = vm_create_default(VCPU_ID, 0, guest_code);
-
- vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
-
- vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS_THP,
- MEM_REGION_GPA, MEM_REGION_SLOT,
- MEM_REGION_SIZE / getpagesize(), 0);
-
- /*
- * Allocate and map two pages so that the GPA accessed by guest_code()
- * stays valid across the memslot move.
- */
- gpa = vm_phy_pages_alloc(vm, 2, MEM_REGION_GPA, MEM_REGION_SLOT);
- TEST_ASSERT(gpa == MEM_REGION_GPA, "Failed vm_phy_pages_alloc\n");
-
- virt_map(vm, MEM_REGION_GPA, MEM_REGION_GPA, 2, 0);
-
- /* Ditto for the host mapping so that both pages can be zeroed. */
- hva = addr_gpa2hva(vm, MEM_REGION_GPA);
- memset(hva, 0, 2 * 4096);
-
- pthread_create(&vcpu_thread, NULL, vcpu_worker, vm);
-
- /* Ensure the guest thread is spun up. */
- usleep(100000);
-
- /*
- * Shift the region's base GPA. The guest should not see "2" as the
- * hva->gpa translation is misaligned, i.e. the guest is accessing a
- * different host pfn.
- */
- vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA - 4096);
- WRITE_ONCE(*hva, 2);
-
- usleep(100000);
-
- /*
- * Note, value in memory needs to be changed *before* restoring the
- * memslot, else the guest could race the update and see "2".
- */
- WRITE_ONCE(*hva, 1);
-
- /* Restore the original base, the guest should see "1". */
- vm_mem_region_move(vm, MEM_REGION_SLOT, MEM_REGION_GPA);
-
- pthread_join(vcpu_thread, NULL);
-
- kvm_vm_free(vm);
-}
-
-int main(int argc, char *argv[])
-{
- int i, loops;
-
- /* Tell stdout not to buffer its content */
- setbuf(stdout, NULL);
-
- if (argc > 1)
- loops = atoi(argv[1]);
- else
- loops = 10;
-
- for (i = 0; i < loops; i++)
- test_move_memory_region();
-
- return 0;
-}
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
index 8230b6bc6b8f..6f8f478b3ceb 100644
--- a/tools/testing/selftests/kvm/x86_64/smm_test.c
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -17,6 +17,7 @@
#include "kvm_util.h"
#include "vmx.h"
+#include "svm_util.h"
#define VCPU_ID 1
@@ -58,7 +59,7 @@ void self_smi(void)
APIC_DEST_SELF | APIC_INT_ASSERT | APIC_DM_SMI);
}
-void guest_code(struct vmx_pages *vmx_pages)
+void guest_code(void *arg)
{
uint64_t apicbase = rdmsr(MSR_IA32_APICBASE);
@@ -72,8 +73,11 @@ void guest_code(struct vmx_pages *vmx_pages)
sync_with_host(4);
- if (vmx_pages) {
- GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
+ if (arg) {
+ if (cpu_has_svm())
+ generic_svm_setup(arg, NULL, NULL);
+ else
+ GUEST_ASSERT(prepare_for_vmx_operation(arg));
sync_with_host(5);
@@ -87,7 +91,7 @@ void guest_code(struct vmx_pages *vmx_pages)
int main(int argc, char *argv[])
{
- vm_vaddr_t vmx_pages_gva = 0;
+ vm_vaddr_t nested_gva = 0;
struct kvm_regs regs;
struct kvm_vm *vm;
@@ -114,8 +118,11 @@ int main(int argc, char *argv[])
vcpu_set_msr(vm, VCPU_ID, MSR_IA32_SMBASE, SMRAM_GPA);
if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
- vcpu_alloc_vmx(vm, &vmx_pages_gva);
- vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
+ if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM)
+ vcpu_alloc_svm(vm, &nested_gva);
+ else
+ vcpu_alloc_vmx(vm, &nested_gva);
+ vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
} else {
pr_info("will skip SMM test with VMX enabled\n");
vcpu_args_set(vm, VCPU_ID, 1, 0);
diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c
index 5b1a016edf55..d43b6f99b66c 100644
--- a/tools/testing/selftests/kvm/x86_64/state_test.c
+++ b/tools/testing/selftests/kvm/x86_64/state_test.c
@@ -18,14 +18,46 @@
#include "kvm_util.h"
#include "processor.h"
#include "vmx.h"
+#include "svm_util.h"
#define VCPU_ID 5
+#define L2_GUEST_STACK_SIZE 256
-void l2_guest_code(void)
+void svm_l2_guest_code(void)
{
+ GUEST_SYNC(4);
+ /* Exit to L1 */
+ vmcall();
GUEST_SYNC(6);
+ /* Done, exit to L1 and never come back. */
+ vmcall();
+}
- /* Exit to L1 */
+static void svm_l1_guest_code(struct svm_test_data *svm)
+{
+ unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
+ struct vmcb *vmcb = svm->vmcb;
+
+ GUEST_ASSERT(svm->vmcb_gpa);
+ /* Prepare for L2 execution. */
+ generic_svm_setup(svm, svm_l2_guest_code,
+ &l2_guest_stack[L2_GUEST_STACK_SIZE]);
+
+ GUEST_SYNC(3);
+ run_guest(vmcb, svm->vmcb_gpa);
+ GUEST_ASSERT(vmcb->control.exit_code == SVM_EXIT_VMMCALL);
+ GUEST_SYNC(5);
+ vmcb->save.rip += 3;
+ run_guest(vmcb, svm->vmcb_gpa);
+ GUEST_ASSERT(vmcb->control.exit_code == SVM_EXIT_VMMCALL);
+ GUEST_SYNC(7);
+}
+
+void vmx_l2_guest_code(void)
+{
+ GUEST_SYNC(6);
+
+ /* Exit to L1 */
vmcall();
/* L1 has now set up a shadow VMCS for us. */
@@ -42,10 +74,9 @@ void l2_guest_code(void)
vmcall();
}
-void l1_guest_code(struct vmx_pages *vmx_pages)
+static void vmx_l1_guest_code(struct vmx_pages *vmx_pages)
{
-#define L2_GUEST_STACK_SIZE 64
- unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
+ unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
GUEST_ASSERT(vmx_pages->vmcs_gpa);
GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
@@ -56,7 +87,7 @@ void l1_guest_code(struct vmx_pages *vmx_pages)
GUEST_SYNC(4);
GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);
- prepare_vmcs(vmx_pages, l2_guest_code,
+ prepare_vmcs(vmx_pages, vmx_l2_guest_code,
&l2_guest_stack[L2_GUEST_STACK_SIZE]);
GUEST_SYNC(5);
@@ -106,20 +137,24 @@ void l1_guest_code(struct vmx_pages *vmx_pages)
GUEST_ASSERT(vmresume());
}
-void guest_code(struct vmx_pages *vmx_pages)
+static void __attribute__((__flatten__)) guest_code(void *arg)
{
GUEST_SYNC(1);
GUEST_SYNC(2);
- if (vmx_pages)
- l1_guest_code(vmx_pages);
+ if (arg) {
+ if (cpu_has_svm())
+ svm_l1_guest_code(arg);
+ else
+ vmx_l1_guest_code(arg);
+ }
GUEST_DONE();
}
int main(int argc, char *argv[])
{
- vm_vaddr_t vmx_pages_gva = 0;
+ vm_vaddr_t nested_gva = 0;
struct kvm_regs regs1, regs2;
struct kvm_vm *vm;
@@ -136,8 +171,11 @@ int main(int argc, char *argv[])
vcpu_regs_get(vm, VCPU_ID, &regs1);
if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
- vcpu_alloc_vmx(vm, &vmx_pages_gva);
- vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
+ if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM)
+ vcpu_alloc_svm(vm, &nested_gva);
+ else
+ vcpu_alloc_vmx(vm, &nested_gva);
+ vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
} else {
pr_info("will skip nested state checks\n");
vcpu_args_set(vm, VCPU_ID, 1, 0);
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c
new file mode 100644
index 000000000000..cc72b6188ca7
--- /dev/null
+++ b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * VMX-preemption timer test
+ *
+ * Copyright (C) 2020, Google, LLC.
+ *
+ * Test to ensure the VM-Enter after migration doesn't
+ * incorrectly restarts the timer with the full timer
+ * value instead of partially decayed timer value
+ *
+ */
+#define _GNU_SOURCE /* for program_invocation_short_name */
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+
+#include "test_util.h"
+
+#include "kvm_util.h"
+#include "processor.h"
+#include "vmx.h"
+
+#define VCPU_ID 5
+#define PREEMPTION_TIMER_VALUE 100000000ull
+#define PREEMPTION_TIMER_VALUE_THRESHOLD1 80000000ull
+
+u32 vmx_pt_rate;
+bool l2_save_restore_done;
+static u64 l2_vmx_pt_start;
+volatile u64 l2_vmx_pt_finish;
+
+void l2_guest_code(void)
+{
+ u64 vmx_pt_delta;
+
+ vmcall();
+ l2_vmx_pt_start = (rdtsc() >> vmx_pt_rate) << vmx_pt_rate;
+
+ /*
+ * Wait until the 1st threshold has passed
+ */
+ do {
+ l2_vmx_pt_finish = rdtsc();
+ vmx_pt_delta = (l2_vmx_pt_finish - l2_vmx_pt_start) >>
+ vmx_pt_rate;
+ } while (vmx_pt_delta < PREEMPTION_TIMER_VALUE_THRESHOLD1);
+
+ /*
+ * Force L2 through Save and Restore cycle
+ */
+ GUEST_SYNC(1);
+
+ l2_save_restore_done = 1;
+
+ /*
+ * Now wait for the preemption timer to fire and
+ * exit to L1
+ */
+ while ((l2_vmx_pt_finish = rdtsc()))
+ ;
+}
+
+void l1_guest_code(struct vmx_pages *vmx_pages)
+{
+#define L2_GUEST_STACK_SIZE 64
+ unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE];
+ u64 l1_vmx_pt_start;
+ u64 l1_vmx_pt_finish;
+ u64 l1_tsc_deadline, l2_tsc_deadline;
+
+ GUEST_ASSERT(vmx_pages->vmcs_gpa);
+ GUEST_ASSERT(prepare_for_vmx_operation(vmx_pages));
+ GUEST_ASSERT(load_vmcs(vmx_pages));
+ GUEST_ASSERT(vmptrstz() == vmx_pages->vmcs_gpa);
+
+ prepare_vmcs(vmx_pages, l2_guest_code,
+ &l2_guest_stack[L2_GUEST_STACK_SIZE]);
+
+ /*
+ * Check for Preemption timer support
+ */
+ basic.val = rdmsr(MSR_IA32_VMX_BASIC);
+ ctrl_pin_rev.val = rdmsr(basic.ctrl ? MSR_IA32_VMX_TRUE_PINBASED_CTLS
+ : MSR_IA32_VMX_PINBASED_CTLS);
+ ctrl_exit_rev.val = rdmsr(basic.ctrl ? MSR_IA32_VMX_TRUE_EXIT_CTLS
+ : MSR_IA32_VMX_EXIT_CTLS);
+
+ if (!(ctrl_pin_rev.clr & PIN_BASED_VMX_PREEMPTION_TIMER) ||
+ !(ctrl_exit_rev.clr & VM_EXIT_SAVE_VMX_PREEMPTION_TIMER))
+ return;
+
+ GUEST_ASSERT(!vmlaunch());
+ GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL);
+ vmwrite(GUEST_RIP, vmreadz(GUEST_RIP) + vmreadz(VM_EXIT_INSTRUCTION_LEN));
+
+ /*
+ * Turn on PIN control and resume the guest
+ */
+ GUEST_ASSERT(!vmwrite(PIN_BASED_VM_EXEC_CONTROL,
+ vmreadz(PIN_BASED_VM_EXEC_CONTROL) |
+ PIN_BASED_VMX_PREEMPTION_TIMER));
+
+ GUEST_ASSERT(!vmwrite(VMX_PREEMPTION_TIMER_VALUE,
+ PREEMPTION_TIMER_VALUE));
+
+ vmx_pt_rate = rdmsr(MSR_IA32_VMX_MISC) & 0x1F;
+
+ l2_save_restore_done = 0;
+
+ l1_vmx_pt_start = (rdtsc() >> vmx_pt_rate) << vmx_pt_rate;
+
+ GUEST_ASSERT(!vmresume());
+
+ l1_vmx_pt_finish = rdtsc();
+
+ /*
+ * Ensure exit from L2 happens after L2 goes through
+ * save and restore
+ */
+ GUEST_ASSERT(l2_save_restore_done);
+
+ /*
+ * Ensure the exit from L2 is due to preemption timer expiry
+ */
+ GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_PREEMPTION_TIMER);
+
+ l1_tsc_deadline = l1_vmx_pt_start +
+ (PREEMPTION_TIMER_VALUE << vmx_pt_rate);
+
+ l2_tsc_deadline = l2_vmx_pt_start +
+ (PREEMPTION_TIMER_VALUE << vmx_pt_rate);
+
+ /*
+ * Sync with the host and pass the l1|l2 pt_expiry_finish times and
+ * tsc deadlines so that host can verify they are as expected
+ */
+ GUEST_SYNC_ARGS(2, l1_vmx_pt_finish, l1_tsc_deadline,
+ l2_vmx_pt_finish, l2_tsc_deadline);
+}
+
+void guest_code(struct vmx_pages *vmx_pages)
+{
+ if (vmx_pages)
+ l1_guest_code(vmx_pages);
+
+ GUEST_DONE();
+}
+
+int main(int argc, char *argv[])
+{
+ vm_vaddr_t vmx_pages_gva = 0;
+
+ struct kvm_regs regs1, regs2;
+ struct kvm_vm *vm;
+ struct kvm_run *run;
+ struct kvm_x86_state *state;
+ struct ucall uc;
+ int stage;
+
+ /*
+ * AMD currently does not implement any VMX features, so for now we
+ * just early out.
+ */
+ nested_vmx_check_supported();
+
+ /* Create VM */
+ vm = vm_create_default(VCPU_ID, 0, guest_code);
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ run = vcpu_state(vm, VCPU_ID);
+
+ vcpu_regs_get(vm, VCPU_ID, &regs1);
+
+ if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
+ vcpu_alloc_vmx(vm, &vmx_pages_gva);
+ vcpu_args_set(vm, VCPU_ID, 1, vmx_pages_gva);
+ } else {
+ pr_info("will skip vmx preemption timer checks\n");
+ goto done;
+ }
+
+ for (stage = 1;; stage++) {
+ _vcpu_run(vm, VCPU_ID);
+ TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
+ "Stage %d: unexpected exit reason: %u (%s),\n",
+ stage, run->exit_reason,
+ exit_reason_str(run->exit_reason));
+
+ switch (get_ucall(vm, VCPU_ID, &uc)) {
+ case UCALL_ABORT:
+ TEST_FAIL("%s at %s:%ld", (const char *)uc.args[0],
+ __FILE__, uc.args[1]);
+ /* NOT REACHED */
+ case UCALL_SYNC:
+ break;
+ case UCALL_DONE:
+ goto done;
+ default:
+ TEST_FAIL("Unknown ucall %lu", uc.cmd);
+ }
+
+ /* UCALL_SYNC is handled here. */
+ TEST_ASSERT(!strcmp((const char *)uc.args[0], "hello") &&
+ uc.args[1] == stage, "Stage %d: Unexpected register values vmexit, got %lx",
+ stage, (ulong)uc.args[1]);
+ /*
+ * If this stage 2 then we should verify the vmx pt expiry
+ * is as expected.
+ * From L1's perspective verify Preemption timer hasn't
+ * expired too early.
+ * From L2's perspective verify Preemption timer hasn't
+ * expired too late.
+ */
+ if (stage == 2) {
+
+ pr_info("Stage %d: L1 PT expiry TSC (%lu) , L1 TSC deadline (%lu)\n",
+ stage, uc.args[2], uc.args[3]);
+
+ pr_info("Stage %d: L2 PT expiry TSC (%lu) , L2 TSC deadline (%lu)\n",
+ stage, uc.args[4], uc.args[5]);
+
+ TEST_ASSERT(uc.args[2] >= uc.args[3],
+ "Stage %d: L1 PT expiry TSC (%lu) < L1 TSC deadline (%lu)",
+ stage, uc.args[2], uc.args[3]);
+
+ TEST_ASSERT(uc.args[4] < uc.args[5],
+ "Stage %d: L2 PT expiry TSC (%lu) > L2 TSC deadline (%lu)",
+ stage, uc.args[4], uc.args[5]);
+ }
+
+ state = vcpu_save_state(vm, VCPU_ID);
+ memset(&regs1, 0, sizeof(regs1));
+ vcpu_regs_get(vm, VCPU_ID, &regs1);
+
+ kvm_vm_release(vm);
+
+ /* Restore state in a new VM. */
+ kvm_vm_restart(vm, O_RDWR);
+ vm_vcpu_add(vm, VCPU_ID);
+ vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
+ vcpu_load_state(vm, VCPU_ID, state);
+ run = vcpu_state(vm, VCPU_ID);
+ free(state);
+
+ memset(&regs2, 0, sizeof(regs2));
+ vcpu_regs_get(vm, VCPU_ID, &regs2);
+ TEST_ASSERT(!memcmp(&regs1, &regs2, sizeof(regs2)),
+ "Unexpected register values after vcpu_load_state; rdi: %lx rsi: %lx",
+ (ulong) regs2.rdi, (ulong) regs2.rsi);
+ }
+
+done:
+ kvm_vm_free(vm);
+}
diff --git a/tools/testing/selftests/lkdtm/run.sh b/tools/testing/selftests/lkdtm/run.sh
index dadf819148a4..ee64ff8df8f4 100755
--- a/tools/testing/selftests/lkdtm/run.sh
+++ b/tools/testing/selftests/lkdtm/run.sh
@@ -25,13 +25,13 @@ fi
# Figure out which test to run from our script name.
test=$(basename $0 .sh)
# Look up details about the test from master list of LKDTM tests.
-line=$(egrep '^#?'"$test"'\b' tests.txt)
+line=$(grep -E '^#?'"$test"'\b' tests.txt)
if [ -z "$line" ]; then
echo "Skipped: missing test '$test' in tests.txt"
exit $KSELFTEST_SKIP_TEST
fi
# Check that the test is known to LKDTM.
-if ! egrep -q '^'"$test"'$' "$TRIGGER" ; then
+if ! grep -E -q '^'"$test"'$' "$TRIGGER" ; then
echo "Skipped: test '$test' missing in $TRIGGER!"
exit $KSELFTEST_SKIP_TEST
fi
@@ -59,30 +59,32 @@ if [ -z "$expect" ]; then
expect="call trace:"
fi
-# Clear out dmesg for output reporting
-dmesg -c >/dev/null
-
# Prepare log for report checking
-LOG=$(mktemp --tmpdir -t lkdtm-XXXXXX)
+LOG=$(mktemp --tmpdir -t lkdtm-log-XXXXXX)
+DMESG=$(mktemp --tmpdir -t lkdtm-dmesg-XXXXXX)
cleanup() {
- rm -f "$LOG"
+ rm -f "$LOG" "$DMESG"
}
trap cleanup EXIT
+# Save existing dmesg so we can detect new content below
+dmesg > "$DMESG"
+
# Most shells yell about signals and we're expecting the "cat" process
# to usually be killed by the kernel. So we have to run it in a sub-shell
# and silence errors.
($SHELL -c 'cat <(echo '"$test"') >'"$TRIGGER" 2>/dev/null) || true
# Record and dump the results
-dmesg -c >"$LOG"
+dmesg | diff --changed-group-format='%>' --unchanged-group-format='' "$DMESG" - > "$LOG" || true
+
cat "$LOG"
# Check for expected output
-if egrep -qi "$expect" "$LOG" ; then
+if grep -E -qi "$expect" "$LOG" ; then
echo "$test: saw '$expect': ok"
exit 0
else
- if egrep -qi XFAIL: "$LOG" ; then
+ if grep -E -qi XFAIL: "$LOG" ; then
echo "$test: saw 'XFAIL': [SKIP]"
exit $KSELFTEST_SKIP_TEST
else
diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile
index 0a15f9e23431..4da8b565fa32 100644
--- a/tools/testing/selftests/memfd/Makefile
+++ b/tools/testing/selftests/memfd/Makefile
@@ -4,14 +4,25 @@ CFLAGS += -I../../../../include/uapi/
CFLAGS += -I../../../../include/
CFLAGS += -I../../../../usr/include/
-TEST_GEN_PROGS := memfd_test fuse_test fuse_mnt
+TEST_GEN_PROGS := memfd_test
TEST_PROGS := run_fuse_test.sh run_hugetlbfs_test.sh
+TEST_GEN_FILES := fuse_test fuse_mnt
-fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags)
+VAR_CFLAGS := $(shell pkg-config fuse --cflags 2>/dev/null)
+ifeq ($(VAR_CFLAGS),)
+VAR_CFLAGS := -D_FILE_OFFSET_BITS=64 -I/usr/include/fuse
+endif
+
+VAR_LDLIBS := $(shell pkg-config fuse --libs 2>/dev/null)
+ifeq ($(VAR_LDLIBS),)
+VAR_LDLIBS := -lfuse -pthread
+endif
+
+fuse_mnt.o: CFLAGS += $(VAR_CFLAGS)
include ../lib.mk
-$(OUTPUT)/fuse_mnt: LDLIBS += $(shell pkg-config fuse --libs)
+$(OUTPUT)/fuse_mnt: LDLIBS += $(VAR_LDLIBS)
$(OUTPUT)/memfd_test: memfd_test.c common.c
$(OUTPUT)/fuse_test: fuse_test.c common.c
diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index 3f386eb9e7d7..895ec992b2f1 100644
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -16,6 +16,7 @@ TEST_PROGS += altnames.sh icmp_redirect.sh ip6_gre_headroom.sh
TEST_PROGS += route_localnet.sh
TEST_PROGS += reuseaddr_ports_exhausted.sh
TEST_PROGS += txtimestamp.sh
+TEST_PROGS += vrf-xfrm-tests.sh
TEST_PROGS_EXTENDED := in_netns.sh
TEST_GEN_FILES = socket nettest
TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy reuseport_addr_any
diff --git a/tools/testing/selftests/net/fib_nexthops.sh b/tools/testing/selftests/net/fib_nexthops.sh
index 796670ebc65b..dee567f7576a 100755
--- a/tools/testing/selftests/net/fib_nexthops.sh
+++ b/tools/testing/selftests/net/fib_nexthops.sh
@@ -19,8 +19,8 @@ ret=0
ksft_skip=4
# all tests in this script. Can be overridden with -t option
-IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime"
-IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime"
+IPV4_TESTS="ipv4_fcnal ipv4_grp_fcnal ipv4_withv6_fcnal ipv4_fcnal_runtime ipv4_large_grp ipv4_compat_mode ipv4_fdb_grp_fcnal ipv4_torture"
+IPV6_TESTS="ipv6_fcnal ipv6_grp_fcnal ipv6_fcnal_runtime ipv6_large_grp ipv6_compat_mode ipv6_fdb_grp_fcnal ipv6_torture"
ALL_TESTS="basic ${IPV4_TESTS} ${IPV6_TESTS}"
TESTS="${ALL_TESTS}"
@@ -146,35 +146,36 @@ setup()
create_ns remote
IP="ip -netns me"
+ BRIDGE="bridge -netns me"
set -e
$IP li add veth1 type veth peer name veth2
$IP li set veth1 up
$IP addr add 172.16.1.1/24 dev veth1
- $IP -6 addr add 2001:db8:91::1/64 dev veth1
+ $IP -6 addr add 2001:db8:91::1/64 dev veth1 nodad
$IP li add veth3 type veth peer name veth4
$IP li set veth3 up
$IP addr add 172.16.2.1/24 dev veth3
- $IP -6 addr add 2001:db8:92::1/64 dev veth3
+ $IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad
$IP li set veth2 netns peer up
ip -netns peer addr add 172.16.1.2/24 dev veth2
- ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2
+ ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad
$IP li set veth4 netns peer up
ip -netns peer addr add 172.16.2.2/24 dev veth4
- ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4
+ ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad
ip -netns remote li add veth5 type veth peer name veth6
ip -netns remote li set veth5 up
ip -netns remote addr add dev veth5 172.16.101.1/24
- ip -netns remote addr add dev veth5 2001:db8:101::1/64
+ ip -netns remote -6 addr add dev veth5 2001:db8:101::1/64 nodad
ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
ip -netns remote li set veth6 netns peer up
ip -netns peer addr add dev veth6 172.16.101.2/24
- ip -netns peer addr add dev veth6 2001:db8:101::2/64
+ ip -netns peer -6 addr add dev veth6 2001:db8:101::2/64 nodad
set +e
}
@@ -248,11 +249,247 @@ check_route6()
local expected="$2"
local out
- out=$($IP -6 route ls match ${pfx} 2>/dev/null)
+ out=$($IP -6 route ls match ${pfx} 2>/dev/null | sed -e 's/pref medium//')
check_output "${out}" "${expected}"
}
+check_large_grp()
+{
+ local ipv=$1
+ local ecmp=$2
+ local grpnum=100
+ local nhidstart=100
+ local grpidstart=1000
+ local iter=0
+ local nhidstr=""
+ local grpidstr=""
+ local grpstr=""
+ local ipstr=""
+
+ if [ $ipv -eq 4 ]; then
+ ipstr="172.16.1."
+ else
+ ipstr="2001:db8:91::"
+ fi
+
+ #
+ # Create $grpnum groups with specified $ecmp and dump them
+ #
+
+ # create nexthops with different gateways
+ iter=2
+ while [ $iter -le $(($ecmp + 1)) ]
+ do
+ nhidstr="$(($nhidstart + $iter))"
+ run_cmd "$IP nexthop add id $nhidstr via $ipstr$iter dev veth1"
+ check_nexthop "id $nhidstr" "id $nhidstr via $ipstr$iter dev veth1 scope link"
+
+ if [ $iter -le $ecmp ]; then
+ grpstr+="$nhidstr/"
+ else
+ grpstr+="$nhidstr"
+ fi
+ ((iter++))
+ done
+
+ # create duplicate large ecmp groups
+ iter=0
+ while [ $iter -le $grpnum ]
+ do
+ grpidstr="$(($grpidstart + $iter))"
+ run_cmd "$IP nexthop add id $grpidstr group $grpstr"
+ check_nexthop "id $grpidstr" "id $grpidstr group $grpstr"
+ ((iter++))
+ done
+
+ # dump large groups
+ run_cmd "$IP nexthop list"
+ log_test $? 0 "Dump large (x$ecmp) ecmp groups"
+}
+
+start_ip_monitor()
+{
+ local mtype=$1
+
+ # start the monitor in the background
+ tmpfile=`mktemp /var/run/nexthoptestXXX`
+ mpid=`($IP monitor $mtype > $tmpfile & echo $!) 2>/dev/null`
+ sleep 0.2
+ echo "$mpid $tmpfile"
+}
+
+stop_ip_monitor()
+{
+ local mpid=$1
+ local tmpfile=$2
+ local el=$3
+
+ # check the monitor results
+ kill $mpid
+ lines=`wc -l $tmpfile | cut "-d " -f1`
+ test $lines -eq $el
+ rc=$?
+ rm -rf $tmpfile
+
+ return $rc
+}
+
+check_nexthop_fdb_support()
+{
+ $IP nexthop help 2>&1 | grep -q fdb
+ if [ $? -ne 0 ]; then
+ echo "SKIP: iproute2 too old, missing fdb nexthop support"
+ return $ksft_skip
+ fi
+}
+
+ipv6_fdb_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv6 fdb groups functional"
+ echo "--------------------------"
+
+ check_nexthop_fdb_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ # create group with multiple nexthops
+ run_cmd "$IP nexthop add id 61 via 2001:db8:91::2 fdb"
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::3 fdb"
+ run_cmd "$IP nexthop add id 102 group 61/62 fdb"
+ check_nexthop "id 102" "id 102 group 61/62 fdb"
+ log_test $? 0 "Fdb Nexthop group with multiple nexthops"
+
+ ## get nexthop group
+ run_cmd "$IP nexthop get id 102"
+ check_nexthop "id 102" "id 102 group 61/62 fdb"
+ log_test $? 0 "Get Fdb nexthop group by id"
+
+ # fdb nexthop group can only contain fdb nexthops
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::4"
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::5"
+ run_cmd "$IP nexthop add id 103 group 63/64 fdb"
+ log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
+
+ # Non fdb nexthop group can not contain fdb nexthops
+ run_cmd "$IP nexthop add id 65 via 2001:db8:91::5 fdb"
+ run_cmd "$IP nexthop add id 66 via 2001:db8:91::6 fdb"
+ run_cmd "$IP nexthop add id 104 group 65/66"
+ log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
+
+ # fdb nexthop cannot have blackhole
+ run_cmd "$IP nexthop add id 67 blackhole fdb"
+ log_test $? 2 "Fdb Nexthop with blackhole"
+
+ # fdb nexthop with oif
+ run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 dev veth1 fdb"
+ log_test $? 2 "Fdb Nexthop with oif"
+
+ # fdb nexthop with onlink
+ run_cmd "$IP nexthop add id 68 via 2001:db8:91::7 onlink fdb"
+ log_test $? 2 "Fdb Nexthop with onlink"
+
+ # fdb nexthop with encap
+ run_cmd "$IP nexthop add id 69 encap mpls 101 via 2001:db8:91::8 dev veth1 fdb"
+ log_test $? 2 "Fdb Nexthop with encap"
+
+ run_cmd "$IP link add name vx10 type vxlan id 1010 local 2001:db8:91::9 remote 2001:db8:91::10 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
+ run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
+ log_test $? 0 "Fdb mac add with nexthop group"
+
+ ## fdb nexthops can only reference nexthop groups and not nexthops
+ run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 61 self"
+ log_test $? 255 "Fdb mac add with nexthop"
+
+ run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 66"
+ log_test $? 2 "Route add with fdb nexthop"
+
+ run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 103"
+ log_test $? 2 "Route add with fdb nexthop group"
+
+ run_cmd "$IP nexthop del id 102"
+ log_test $? 0 "Fdb nexthop delete"
+
+ $IP link del dev vx10
+}
+
+ipv4_fdb_grp_fcnal()
+{
+ local rc
+
+ echo
+ echo "IPv4 fdb groups functional"
+ echo "--------------------------"
+
+ check_nexthop_fdb_support
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ # create group with multiple nexthops
+ run_cmd "$IP nexthop add id 12 via 172.16.1.2 fdb"
+ run_cmd "$IP nexthop add id 13 via 172.16.1.3 fdb"
+ run_cmd "$IP nexthop add id 102 group 12/13 fdb"
+ check_nexthop "id 102" "id 102 group 12/13 fdb"
+ log_test $? 0 "Fdb Nexthop group with multiple nexthops"
+
+ # get nexthop group
+ run_cmd "$IP nexthop get id 102"
+ check_nexthop "id 102" "id 102 group 12/13 fdb"
+ log_test $? 0 "Get Fdb nexthop group by id"
+
+ # fdb nexthop group can only contain fdb nexthops
+ run_cmd "$IP nexthop add id 14 via 172.16.1.2"
+ run_cmd "$IP nexthop add id 15 via 172.16.1.3"
+ run_cmd "$IP nexthop add id 103 group 14/15 fdb"
+ log_test $? 2 "Fdb Nexthop group with non-fdb nexthops"
+
+ # Non fdb nexthop group can not contain fdb nexthops
+ run_cmd "$IP nexthop add id 16 via 172.16.1.2 fdb"
+ run_cmd "$IP nexthop add id 17 via 172.16.1.3 fdb"
+ run_cmd "$IP nexthop add id 104 group 14/15"
+ log_test $? 2 "Non-Fdb Nexthop group with fdb nexthops"
+
+ # fdb nexthop cannot have blackhole
+ run_cmd "$IP nexthop add id 18 blackhole fdb"
+ log_test $? 2 "Fdb Nexthop with blackhole"
+
+ # fdb nexthop with oif
+ run_cmd "$IP nexthop add id 16 via 172.16.1.2 dev veth1 fdb"
+ log_test $? 2 "Fdb Nexthop with oif"
+
+ # fdb nexthop with onlink
+ run_cmd "$IP nexthop add id 16 via 172.16.1.2 onlink fdb"
+ log_test $? 2 "Fdb Nexthop with onlink"
+
+ # fdb nexthop with encap
+ run_cmd "$IP nexthop add id 17 encap mpls 101 via 172.16.1.2 dev veth1 fdb"
+ log_test $? 2 "Fdb Nexthop with encap"
+
+ run_cmd "$IP link add name vx10 type vxlan id 1010 local 10.0.0.1 remote 10.0.0.2 dstport 4789 nolearning noudpcsum tos inherit ttl 100"
+ run_cmd "$BRIDGE fdb add 02:02:00:00:00:13 dev vx10 nhid 102 self"
+ log_test $? 0 "Fdb mac add with nexthop group"
+
+ # fdb nexthops can only reference nexthop groups and not nexthops
+ run_cmd "$BRIDGE fdb add 02:02:00:00:00:14 dev vx10 nhid 12 self"
+ log_test $? 255 "Fdb mac add with nexthop"
+
+ run_cmd "$IP ro add 172.16.0.0/22 nhid 15"
+ log_test $? 2 "Route add with fdb nexthop"
+
+ run_cmd "$IP ro add 172.16.0.0/22 nhid 103"
+ log_test $? 2 "Route add with fdb nexthop group"
+
+ run_cmd "$IP nexthop del id 102"
+ log_test $? 0 "Fdb nexthop delete"
+
+ $IP link del dev vx10
+}
+
################################################################################
# basic operations (add, delete, replace) on nexthops and nexthop groups
#
@@ -423,8 +660,6 @@ ipv6_fcnal_runtime()
echo "IPv6 functional runtime"
echo "-----------------------"
- sleep 5
-
#
# IPv6 - the basics
#
@@ -481,12 +716,12 @@ ipv6_fcnal_runtime()
run_cmd "$IP -6 nexthop add id 85 dev veth1"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 85"
log_test $? 0 "IPv6 route with device only nexthop"
- check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024 pref medium"
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 85 dev veth1 metric 1024"
run_cmd "$IP nexthop add id 123 group 81/85"
run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 123"
log_test $? 0 "IPv6 multipath route with nexthop mix - dev only + gw"
- check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1 pref medium"
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 123 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop dev veth1 weight 1"
#
# IPv6 route with v4 nexthop - not allowed
@@ -519,6 +754,75 @@ ipv6_fcnal_runtime()
# route with src address and using nexthop - not allowed
}
+ipv6_large_grp()
+{
+ local ecmp=32
+
+ echo
+ echo "IPv6 large groups (x$ecmp)"
+ echo "---------------------"
+
+ check_large_grp 6 $ecmp
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
+ipv6_del_add_loop1()
+{
+ while :; do
+ $IP nexthop del id 100
+ $IP nexthop add id 100 via 2001:db8:91::2 dev veth1
+ done >/dev/null 2>&1
+}
+
+ipv6_grp_replace_loop()
+{
+ while :; do
+ $IP nexthop replace id 102 group 100/101
+ done >/dev/null 2>&1
+}
+
+ipv6_torture()
+{
+ local pid1
+ local pid2
+ local pid3
+ local pid4
+ local pid5
+
+ echo
+ echo "IPv6 runtime torture"
+ echo "--------------------"
+ if [ ! -x "$(command -v mausezahn)" ]; then
+ echo "SKIP: Could not run test; need mausezahn tool"
+ return
+ fi
+
+ run_cmd "$IP nexthop add id 100 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 101 via 2001:db8:92::2 dev veth3"
+ run_cmd "$IP nexthop add id 102 group 100/101"
+ run_cmd "$IP route add 2001:db8:101::1 nhid 102"
+ run_cmd "$IP route add 2001:db8:101::2 nhid 102"
+
+ ipv6_del_add_loop1 &
+ pid1=$!
+ ipv6_grp_replace_loop &
+ pid2=$!
+ ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
+ pid3=$!
+ ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
+ pid4=$!
+ ip netns exec me mausezahn veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ pid5=$!
+
+ sleep 300
+ kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
+
+ # if we did not crash, success
+ log_test 0 0 "IPv6 torture test"
+}
+
+
ipv4_fcnal()
{
local rc
@@ -749,6 +1053,29 @@ ipv4_fcnal_runtime()
run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
log_test $? 0 "Ping - multipath"
+ run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
+
+ #
+ # multiple default routes
+ # - tests fib_select_default
+ run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
+ run_cmd "$IP ro add default nhid 501"
+ run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Ping - multiple default routes, nh first"
+
+ # flip the order
+ run_cmd "$IP ro del default nhid 501"
+ run_cmd "$IP ro del default via 172.16.1.3 dev veth1 metric 20"
+ run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
+ run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
+ run_cmd "$IP ro add default nhid 501 metric 20"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "Ping - multiple default routes, nh second"
+
+ run_cmd "$IP nexthop delete nhid 501"
+ run_cmd "$IP ro del default"
+
#
# IPv4 with blackhole nexthops
#
@@ -843,6 +1170,11 @@ ipv4_fcnal_runtime()
$IP neigh sh | grep 'dev veth1'
fi
+ run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
+ run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1"
+ run_cmd "ip netns exec me ping -c1 -w1 172.16.101.1"
+ log_test $? 0 "IPv4 default route with IPv6 gateway"
+
#
# MPLS as an example of LWT encap
#
@@ -857,6 +1189,241 @@ ipv4_fcnal_runtime()
log_test $? 0 "IPv4 route with MPLS encap, v6 gw - check"
}
+ipv4_large_grp()
+{
+ local ecmp=32
+
+ echo
+ echo "IPv4 large groups (x$ecmp)"
+ echo "---------------------"
+
+ check_large_grp 4 $ecmp
+
+ $IP nexthop flush >/dev/null 2>&1
+}
+
+sysctl_nexthop_compat_mode_check()
+{
+ local sysctlname="net.ipv4.nexthop_compat_mode"
+ local lprefix=$1
+
+ IPE="ip netns exec me"
+
+ $IPE sysctl -q $sysctlname 2>&1 >/dev/null
+ if [ $? -ne 0 ]; then
+ echo "SKIP: kernel lacks nexthop compat mode sysctl control"
+ return $ksft_skip
+ fi
+
+ out=$($IPE sysctl $sysctlname 2>/dev/null)
+ log_test $? 0 "$lprefix default nexthop compat mode check"
+ check_output "${out}" "$sysctlname = 1"
+}
+
+sysctl_nexthop_compat_mode_set()
+{
+ local sysctlname="net.ipv4.nexthop_compat_mode"
+ local mode=$1
+ local lprefix=$2
+
+ IPE="ip netns exec me"
+
+ out=$($IPE sysctl -w $sysctlname=$mode)
+ log_test $? 0 "$lprefix set compat mode - $mode"
+ check_output "${out}" "net.ipv4.nexthop_compat_mode = $mode"
+}
+
+ipv6_compat_mode()
+{
+ local rc
+
+ echo
+ echo "IPv6 nexthop api compat mode test"
+ echo "--------------------------------"
+
+ sysctl_nexthop_compat_mode_check "IPv6"
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 122 group 62/63"
+ ipmout=$(start_ip_monitor route)
+
+ run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
+ # route add notification should contain expanded nexthops
+ stop_ip_monitor $ipmout 3
+ log_test $? 0 "IPv6 compat mode on - route add notification"
+
+ # route dump should contain expanded nexthops
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024 nexthop via 2001:db8:91::2 dev veth1 weight 1 nexthop via 2001:db8:91::3 dev veth1 weight 1"
+ log_test $? 0 "IPv6 compat mode on - route dump"
+
+ # change in nexthop group should generate route notification
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop replace id 122 group 62/64"
+ stop_ip_monitor $ipmout 3
+
+ log_test $? 0 "IPv6 compat mode on - nexthop change"
+
+ # set compat mode off
+ sysctl_nexthop_compat_mode_set 0 "IPv6"
+
+ run_cmd "$IP -6 ro del 2001:db8:101::1/128 nhid 122"
+
+ run_cmd "$IP nexthop add id 62 via 2001:db8:91::2 dev veth1"
+ run_cmd "$IP nexthop add id 63 via 2001:db8:91::3 dev veth1"
+ run_cmd "$IP nexthop add id 122 group 62/63"
+ ipmout=$(start_ip_monitor route)
+
+ run_cmd "$IP -6 ro add 2001:db8:101::1/128 nhid 122"
+ # route add notification should not contain expanded nexthops
+ stop_ip_monitor $ipmout 1
+ log_test $? 0 "IPv6 compat mode off - route add notification"
+
+ # route dump should not contain expanded nexthops
+ check_route6 "2001:db8:101::1" "2001:db8:101::1 nhid 122 metric 1024"
+ log_test $? 0 "IPv6 compat mode off - route dump"
+
+ # change in nexthop group should not generate route notification
+ run_cmd "$IP nexthop add id 64 via 2001:db8:91::4 dev veth1"
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop replace id 122 group 62/64"
+ stop_ip_monitor $ipmout 0
+ log_test $? 0 "IPv6 compat mode off - nexthop change"
+
+ # nexthop delete should not generate route notification
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop del id 122"
+ stop_ip_monitor $ipmout 0
+ log_test $? 0 "IPv6 compat mode off - nexthop delete"
+
+ # set compat mode back on
+ sysctl_nexthop_compat_mode_set 1 "IPv6"
+}
+
+ipv4_compat_mode()
+{
+ local rc
+
+ echo
+ echo "IPv4 nexthop api compat mode"
+ echo "----------------------------"
+
+ sysctl_nexthop_compat_mode_check "IPv4"
+ if [ $? -eq $ksft_skip ]; then
+ return $ksft_skip
+ fi
+
+ run_cmd "$IP nexthop add id 21 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 22 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 122 group 21/22"
+ ipmout=$(start_ip_monitor route)
+
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
+ stop_ip_monitor $ipmout 3
+
+ # route add notification should contain expanded nexthops
+ log_test $? 0 "IPv4 compat mode on - route add notification"
+
+ # route dump should contain expanded nexthops
+ check_route "172.16.101.1" "172.16.101.1 nhid 122 nexthop via 172.16.1.2 dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
+ log_test $? 0 "IPv4 compat mode on - route dump"
+
+ # change in nexthop group should generate route notification
+ run_cmd "$IP nexthop add id 23 via 172.16.1.3 dev veth1"
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop replace id 122 group 21/23"
+ stop_ip_monitor $ipmout 3
+ log_test $? 0 "IPv4 compat mode on - nexthop change"
+
+ sysctl_nexthop_compat_mode_set 0 "IPv4"
+
+ # cleanup
+ run_cmd "$IP ro del 172.16.101.1/32 nhid 122"
+
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP ro add 172.16.101.1/32 nhid 122"
+ stop_ip_monitor $ipmout 1
+ # route add notification should not contain expanded nexthops
+ log_test $? 0 "IPv4 compat mode off - route add notification"
+
+ # route dump should not contain expanded nexthops
+ check_route "172.16.101.1" "172.16.101.1 nhid 122"
+ log_test $? 0 "IPv4 compat mode off - route dump"
+
+ # change in nexthop group should not generate route notification
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop replace id 122 group 21/22"
+ stop_ip_monitor $ipmout 0
+ log_test $? 0 "IPv4 compat mode off - nexthop change"
+
+ # nexthop delete should not generate route notification
+ ipmout=$(start_ip_monitor route)
+ run_cmd "$IP nexthop del id 122"
+ stop_ip_monitor $ipmout 0
+ log_test $? 0 "IPv4 compat mode off - nexthop delete"
+
+ sysctl_nexthop_compat_mode_set 1 "IPv4"
+}
+
+ipv4_del_add_loop1()
+{
+ while :; do
+ $IP nexthop del id 100
+ $IP nexthop add id 100 via 172.16.1.2 dev veth1
+ done >/dev/null 2>&1
+}
+
+ipv4_grp_replace_loop()
+{
+ while :; do
+ $IP nexthop replace id 102 group 100/101
+ done >/dev/null 2>&1
+}
+
+ipv4_torture()
+{
+ local pid1
+ local pid2
+ local pid3
+ local pid4
+ local pid5
+
+ echo
+ echo "IPv4 runtime torture"
+ echo "--------------------"
+ if [ ! -x "$(command -v mausezahn)" ]; then
+ echo "SKIP: Could not run test; need mausezahn tool"
+ return
+ fi
+
+ run_cmd "$IP nexthop add id 100 via 172.16.1.2 dev veth1"
+ run_cmd "$IP nexthop add id 101 via 172.16.2.2 dev veth3"
+ run_cmd "$IP nexthop add id 102 group 100/101"
+ run_cmd "$IP route add 172.16.101.1 nhid 102"
+ run_cmd "$IP route add 172.16.101.2 nhid 102"
+
+ ipv4_del_add_loop1 &
+ pid1=$!
+ ipv4_grp_replace_loop &
+ pid2=$!
+ ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
+ pid3=$!
+ ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
+ pid4=$!
+ ip netns exec me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
+ pid5=$!
+
+ sleep 300
+ kill -9 $pid1 $pid2 $pid3 $pid4 $pid5
+
+ # if we did not crash, success
+ log_test 0 0 "IPv4 torture test"
+}
+
basic()
{
echo
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index b7616704b55e..84205c3a55eb 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -618,16 +618,22 @@ fib_nexthop_test()
fib_suppress_test()
{
+ echo
+ echo "FIB rule with suppress_prefixlength"
+ setup
+
$IP link add dummy1 type dummy
$IP link set dummy1 up
$IP -6 route add default dev dummy1
$IP -6 rule add table main suppress_prefixlength 0
- ping -f -c 1000 -W 1 1234::1 || true
+ ping -f -c 1000 -W 1 1234::1 >/dev/null 2>&1
$IP -6 rule del table main suppress_prefixlength 0
$IP link del dummy1
# If we got here without crashing, we're good.
- return 0
+ log_test 0 0 "FIB rule suppress test"
+
+ cleanup
}
################################################################################
diff --git a/tools/testing/selftests/net/forwarding/devlink_lib.sh b/tools/testing/selftests/net/forwarding/devlink_lib.sh
index 155d48bd4d9e..f0e6be4c09e9 100644
--- a/tools/testing/selftests/net/forwarding/devlink_lib.sh
+++ b/tools/testing/selftests/net/forwarding/devlink_lib.sh
@@ -365,7 +365,9 @@ devlink_trap_group_stats_idle_test()
devlink_trap_exception_test()
{
local trap_name=$1; shift
- local group_name=$1; shift
+ local group_name
+
+ group_name=$(devlink_trap_group_get $trap_name)
devlink_trap_stats_idle_test $trap_name
check_fail $? "Trap stats idle when packets should have been trapped"
@@ -377,9 +379,11 @@ devlink_trap_exception_test()
devlink_trap_drop_test()
{
local trap_name=$1; shift
- local group_name=$1; shift
local dev=$1; shift
local handle=$1; shift
+ local group_name
+
+ group_name=$(devlink_trap_group_get $trap_name)
# This is the common part of all the tests. It checks that stats are
# initially idle, then non-idle after changing the trap action and
@@ -390,7 +394,6 @@ devlink_trap_drop_test()
devlink_trap_group_stats_idle_test $group_name
check_err $? "Trap group stats not idle with initial drop action"
-
devlink_trap_action_set $trap_name "trap"
devlink_trap_stats_idle_test $trap_name
check_fail $? "Trap stats idle after setting action to trap"
@@ -420,6 +423,29 @@ devlink_trap_drop_cleanup()
tc filter del dev $dev egress protocol $proto pref $pref handle $handle flower
}
+devlink_trap_stats_test()
+{
+ local test_name=$1; shift
+ local trap_name=$1; shift
+ local send_one="$@"
+ local t0_packets
+ local t1_packets
+
+ RET=0
+
+ t0_packets=$(devlink_trap_rx_packets_get $trap_name)
+
+ $send_one && sleep 1
+
+ t1_packets=$(devlink_trap_rx_packets_get $trap_name)
+
+ if [[ $t1_packets -eq $t0_packets ]]; then
+ check_err 1 "Trap stats did not increase"
+ fi
+
+ log_test "$test_name"
+}
+
devlink_trap_policers_num_get()
{
devlink -j -p trap policer show | jq '.[]["'$DEVLINK_DEV'"] | length'
diff --git a/tools/testing/selftests/net/forwarding/mirror_lib.sh b/tools/testing/selftests/net/forwarding/mirror_lib.sh
index 00797597fcf5..c33bfd7ba214 100644
--- a/tools/testing/selftests/net/forwarding/mirror_lib.sh
+++ b/tools/testing/selftests/net/forwarding/mirror_lib.sh
@@ -29,11 +29,9 @@ mirror_test()
local pref=$1; shift
local expect=$1; shift
- local ping_timeout=$((PING_TIMEOUT * 5))
local t0=$(tc_rule_stats_get $dev $pref)
- ip vrf exec $vrf_name \
- ${PING} ${sip:+-I $sip} $dip -c 10 -i 0.5 -w $ping_timeout \
- &> /dev/null
+ $MZ $vrf_name ${sip:+-A $sip} -B $dip -a own -b bc -q \
+ -c 10 -d 100ms -t icmp type=8
sleep 0.5
local t1=$(tc_rule_stats_get $dev $pref)
local delta=$((t1 - t0))
diff --git a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
index b50081855913..55eeacf59241 100755
--- a/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
+++ b/tools/testing/selftests/net/forwarding/pedit_dsfield.sh
@@ -20,10 +20,14 @@
ALL_TESTS="
ping_ipv4
+ ping_ipv6
test_ip_dsfield
test_ip_dscp
test_ip_ecn
test_ip_dscp_ecn
+ test_ip6_dsfield
+ test_ip6_dscp
+ test_ip6_ecn
"
NUM_NETIFS=4
@@ -107,6 +111,11 @@ ping_ipv4()
ping_test $h1 192.0.2.2
}
+ping_ipv6()
+{
+ ping6_test $h1 2001:db8:1::2
+}
+
do_test_pedit_dsfield_common()
{
local pedit_locus=$1; shift
@@ -123,7 +132,12 @@ do_test_pedit_dsfield_common()
local pkts
pkts=$(busywait "$TC_HIT_TIMEOUT" until_counter_is ">= 10" \
tc_rule_handle_stats_get "dev $h2 ingress" 101)
- check_err $? "Expected to get 10 packets, but got $pkts."
+ check_err $? "Expected to get 10 packets on test probe, but got $pkts."
+
+ pkts=$(tc_rule_handle_stats_get "$pedit_locus" 101)
+ ((pkts >= 10))
+ check_err $? "Expected to get 10 packets on pedit rule, but got $pkts."
+
log_test "$pedit_locus pedit $pedit_action"
}
@@ -228,6 +242,63 @@ test_ip_dscp_ecn()
do_test_ip_dscp_ecn "dev $swp2 egress"
}
+do_test_ip6_dsfield()
+{
+ local locus=$1; shift
+ local dsfield
+
+ for dsfield in 0 1 2 3 128 252 253 254 255; do
+ do_test_pedit_dsfield "$locus" \
+ "ip6 traffic_class set $dsfield" \
+ ipv6 "ip_tos $dsfield" \
+ "-6 -A 2001:db8:1::1 -B 2001:db8:1::2"
+ done
+}
+
+test_ip6_dsfield()
+{
+ do_test_ip6_dsfield "dev $swp1 ingress"
+ do_test_ip6_dsfield "dev $swp2 egress"
+}
+
+do_test_ip6_dscp()
+{
+ local locus=$1; shift
+ local dscp
+
+ for dscp in 0 1 2 3 32 61 62 63; do
+ do_test_pedit_dsfield "$locus" \
+ "ip6 traffic_class set $((dscp << 2)) retain 0xfc" \
+ ipv6 "ip_tos $(((dscp << 2) | 1))" \
+ "-6 -A 2001:db8:1::1 -B 2001:db8:1::2"
+ done
+}
+
+test_ip6_dscp()
+{
+ do_test_ip6_dscp "dev $swp1 ingress"
+ do_test_ip6_dscp "dev $swp2 egress"
+}
+
+do_test_ip6_ecn()
+{
+ local locus=$1; shift
+ local ecn
+
+ for ecn in 0 1 2 3; do
+ do_test_pedit_dsfield "$locus" \
+ "ip6 traffic_class set $ecn retain 0x3" \
+ ipv6 "ip_tos $((124 | $ecn))" \
+ "-6 -A 2001:db8:1::1 -B 2001:db8:1::2"
+ done
+}
+
+test_ip6_ecn()
+{
+ do_test_ip6_ecn "dev $swp1 ingress"
+ do_test_ip6_ecn "dev $swp2 egress"
+}
+
trap cleanup EXIT
setup_prepare
diff --git a/tools/testing/selftests/net/forwarding/tc_actions.sh b/tools/testing/selftests/net/forwarding/tc_actions.sh
index 813d02d1939d..d9eca227136b 100755
--- a/tools/testing/selftests/net/forwarding/tc_actions.sh
+++ b/tools/testing/selftests/net/forwarding/tc_actions.sh
@@ -2,7 +2,8 @@
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
- mirred_egress_mirror_test gact_trap_test"
+ mirred_egress_mirror_test matchall_mirred_egress_mirror_test \
+ gact_trap_test"
NUM_NETIFS=4
source tc_common.sh
source lib.sh
@@ -50,6 +51,9 @@ switch_destroy()
mirred_egress_test()
{
local action=$1
+ local protocol=$2
+ local classifier=$3
+ local classifier_args=$4
RET=0
@@ -62,9 +66,9 @@ mirred_egress_test()
tc_check_packets "dev $h2 ingress" 101 1
check_fail $? "Matched without redirect rule inserted"
- tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
- $tcflags dst_ip 192.0.2.2 action mirred egress $action \
- dev $swp2
+ tc filter add dev $swp1 ingress protocol $protocol pref 1 handle 101 \
+ $classifier $tcflags $classifier_args \
+ action mirred egress $action dev $swp2
$MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
-t ip -q
@@ -72,10 +76,11 @@ mirred_egress_test()
tc_check_packets "dev $h2 ingress" 101 1
check_err $? "Did not match incoming $action packet"
- tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
+ tc filter del dev $swp1 ingress protocol $protocol pref 1 handle 101 \
+ $classifier
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
- log_test "mirred egress $action ($tcflags)"
+ log_test "mirred egress $classifier $action ($tcflags)"
}
gact_drop_and_ok_test()
@@ -187,12 +192,17 @@ cleanup()
mirred_egress_redirect_test()
{
- mirred_egress_test "redirect"
+ mirred_egress_test "redirect" "ip" "flower" "dst_ip 192.0.2.2"
}
mirred_egress_mirror_test()
{
- mirred_egress_test "mirror"
+ mirred_egress_test "mirror" "ip" "flower" "dst_ip 192.0.2.2"
+}
+
+matchall_mirred_egress_mirror_test()
+{
+ mirred_egress_test "mirror" "all" "matchall" ""
}
trap cleanup EXIT
diff --git a/tools/testing/selftests/net/ip_defrag.c b/tools/testing/selftests/net/ip_defrag.c
index c0c9ecb891e1..f9ed749fd8c7 100644
--- a/tools/testing/selftests/net/ip_defrag.c
+++ b/tools/testing/selftests/net/ip_defrag.c
@@ -192,9 +192,9 @@ static void send_fragment(int fd_raw, struct sockaddr *addr, socklen_t alen,
}
res = sendto(fd_raw, ip_frame, frag_len, 0, addr, alen);
- if (res < 0)
+ if (res < 0 && errno != EPERM)
error(1, errno, "send_fragment");
- if (res != frag_len)
+ if (res >= 0 && res != frag_len)
error(1, 0, "send_fragment: %d vs %d", res, frag_len);
frag_counter++;
@@ -313,9 +313,9 @@ static void send_udp_frags(int fd_raw, struct sockaddr *addr,
iphdr->ip_len = htons(frag_len);
}
res = sendto(fd_raw, ip_frame, frag_len, 0, addr, alen);
- if (res < 0)
+ if (res < 0 && errno != EPERM)
error(1, errno, "sendto overlap: %d", frag_len);
- if (res != frag_len)
+ if (res >= 0 && res != frag_len)
error(1, 0, "sendto overlap: %d vs %d", (int)res, frag_len);
frag_counter++;
}
diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index 9172746b6cf0..15f4f46ca3a9 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -30,7 +30,7 @@ ret=0
cleanup()
{
- rm -f $out
+ rm -f $err
ip netns del $ns1
}
diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 71a62e7e35b1..77c09cd339c3 100755
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -67,6 +67,10 @@
# Same as pmtu_ipv4_vxlan4, but using a generic UDP IPv4/IPv6
# encapsulation (GUE) over IPv4/IPv6, instead of VXLAN
#
+# - pmtu_ipv{4,6}_ipv{4,6}_exception
+# Same as pmtu_ipv4_vxlan4, but using a IPv4/IPv6 tunnel over IPv4/IPv6,
+# instead of VXLAN
+#
# - pmtu_vti4_exception
# Set up vti tunnel on top of veth, with xfrm states and policies, in two
# namespaces with matching endpoints. Check that route exception is not
@@ -151,6 +155,10 @@ tests="
pmtu_ipv6_gue4_exception IPv6 over gue4: PMTU exceptions 1
pmtu_ipv4_gue6_exception IPv4 over gue6: PMTU exceptions 1
pmtu_ipv6_gue6_exception IPv6 over gue6: PMTU exceptions 1
+ pmtu_ipv4_ipv4_exception IPv4 over IPv4: PMTU exceptions 1
+ pmtu_ipv6_ipv4_exception IPv6 over IPv4: PMTU exceptions 1
+ pmtu_ipv4_ipv6_exception IPv4 over IPv6: PMTU exceptions 1
+ pmtu_ipv6_ipv6_exception IPv6 over IPv6: PMTU exceptions 1
pmtu_vti6_exception vti6: PMTU exceptions 0
pmtu_vti4_exception vti4: PMTU exceptions 0
pmtu_vti4_default_mtu vti4: default MTU assignment 0
@@ -363,6 +371,62 @@ setup_gue66() {
setup_fou_or_gue 6 6 gue
}
+setup_ipvX_over_ipvY() {
+ inner=${1}
+ outer=${2}
+
+ if [ "${outer}" -eq 4 ]; then
+ a_addr="${prefix4}.${a_r1}.1"
+ b_addr="${prefix4}.${b_r1}.1"
+ if [ "${inner}" -eq 4 ]; then
+ type="ipip"
+ mode="ipip"
+ else
+ type="sit"
+ mode="ip6ip"
+ fi
+ else
+ a_addr="${prefix6}:${a_r1}::1"
+ b_addr="${prefix6}:${b_r1}::1"
+ type="ip6tnl"
+ if [ "${inner}" -eq 4 ]; then
+ mode="ipip6"
+ else
+ mode="ip6ip6"
+ fi
+ fi
+
+ run_cmd ${ns_a} ip link add ip_a type ${type} local ${a_addr} remote ${b_addr} mode ${mode} || return 2
+ run_cmd ${ns_b} ip link add ip_b type ${type} local ${b_addr} remote ${a_addr} mode ${mode}
+
+ run_cmd ${ns_a} ip link set ip_a up
+ run_cmd ${ns_b} ip link set ip_b up
+
+ if [ "${inner}" = "4" ]; then
+ run_cmd ${ns_a} ip addr add ${tunnel4_a_addr}/${tunnel4_mask} dev ip_a
+ run_cmd ${ns_b} ip addr add ${tunnel4_b_addr}/${tunnel4_mask} dev ip_b
+ else
+ run_cmd ${ns_a} ip addr add ${tunnel6_a_addr}/${tunnel6_mask} dev ip_a
+ run_cmd ${ns_b} ip addr add ${tunnel6_b_addr}/${tunnel6_mask} dev ip_b
+ fi
+}
+
+setup_ip4ip4() {
+ setup_ipvX_over_ipvY 4 4
+}
+
+setup_ip6ip4() {
+ setup_ipvX_over_ipvY 6 4
+}
+
+setup_ip4ip6() {
+ setup_ipvX_over_ipvY 4 6
+}
+
+setup_ip6ip6() {
+ setup_ipvX_over_ipvY 6 6
+}
+
setup_namespaces() {
for n in ${NS_A} ${NS_B} ${NS_R1} ${NS_R2}; do
ip netns add ${n} || return 1
@@ -908,6 +972,64 @@ test_pmtu_ipv6_gue6_exception() {
test_pmtu_ipvX_over_fouY_or_gueY 6 6 gue
}
+test_pmtu_ipvX_over_ipvY_exception() {
+ inner=${1}
+ outer=${2}
+ ll_mtu=4000
+
+ setup namespaces routing ip${inner}ip${outer} || return 2
+
+ trace "${ns_a}" ip_a "${ns_b}" ip_b \
+ "${ns_a}" veth_A-R1 "${ns_r1}" veth_R1-A \
+ "${ns_b}" veth_B-R1 "${ns_r1}" veth_R1-B
+
+ if [ ${inner} -eq 4 ]; then
+ ping=ping
+ dst=${tunnel4_b_addr}
+ else
+ ping=${ping6}
+ dst=${tunnel6_b_addr}
+ fi
+
+ if [ ${outer} -eq 4 ]; then
+ # IPv4 header
+ exp_mtu=$((${ll_mtu} - 20))
+ else
+ # IPv6 header Option 4
+ exp_mtu=$((${ll_mtu} - 40 - 8))
+ fi
+
+ # Create route exception by exceeding link layer MTU
+ mtu "${ns_a}" veth_A-R1 $((${ll_mtu} + 1000))
+ mtu "${ns_r1}" veth_R1-A $((${ll_mtu} + 1000))
+ mtu "${ns_b}" veth_B-R1 ${ll_mtu}
+ mtu "${ns_r1}" veth_R1-B ${ll_mtu}
+
+ mtu "${ns_a}" ip_a $((${ll_mtu} + 1000)) || return
+ mtu "${ns_b}" ip_b $((${ll_mtu} + 1000)) || return
+ run_cmd ${ns_a} ${ping} -q -M want -i 0.1 -w 1 -s $((${ll_mtu} + 500)) ${dst}
+
+ # Check that exception was created
+ pmtu="$(route_get_dst_pmtu_from_exception "${ns_a}" ${dst})"
+ check_pmtu_value ${exp_mtu} "${pmtu}" "exceeding link layer MTU on ip${inner}ip${outer} interface"
+}
+
+test_pmtu_ipv4_ipv4_exception() {
+ test_pmtu_ipvX_over_ipvY_exception 4 4
+}
+
+test_pmtu_ipv6_ipv4_exception() {
+ test_pmtu_ipvX_over_ipvY_exception 6 4
+}
+
+test_pmtu_ipv4_ipv6_exception() {
+ test_pmtu_ipvX_over_ipvY_exception 4 6
+}
+
+test_pmtu_ipv6_ipv6_exception() {
+ test_pmtu_ipvX_over_ipvY_exception 6 6
+}
+
test_pmtu_vti4_exception() {
setup namespaces veth vti4 xfrm4 || return 2
trace "${ns_a}" veth_a "${ns_b}" veth_b \
diff --git a/tools/testing/selftests/net/tcp_mmap.c b/tools/testing/selftests/net/tcp_mmap.c
index 35505b31e5cc..4555f88252ba 100644
--- a/tools/testing/selftests/net/tcp_mmap.c
+++ b/tools/testing/selftests/net/tcp_mmap.c
@@ -165,9 +165,10 @@ void *child_thread(void *arg)
socklen_t zc_len = sizeof(zc);
int res;
+ memset(&zc, 0, sizeof(zc));
zc.address = (__u64)((unsigned long)addr);
zc.length = chunk_size;
- zc.recv_skip_hint = 0;
+
res = getsockopt(fd, IPPROTO_TCP, TCP_ZEROCOPY_RECEIVE,
&zc, &zc_len);
if (res == -1)
@@ -281,12 +282,14 @@ static void setup_sockaddr(int domain, const char *str_addr,
static void do_accept(int fdlisten)
{
pthread_attr_t attr;
+ int rcvlowat;
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+ rcvlowat = chunk_size;
if (setsockopt(fdlisten, SOL_SOCKET, SO_RCVLOWAT,
- &chunk_size, sizeof(chunk_size)) == -1) {
+ &rcvlowat, sizeof(rcvlowat)) == -1) {
perror("setsockopt SO_RCVLOWAT");
}
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index 0ea44d975b6c..c5282e62df75 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -101,6 +101,21 @@ FIXTURE(tls)
bool notls;
};
+FIXTURE_VARIANT(tls)
+{
+ unsigned int tls_version;
+};
+
+FIXTURE_VARIANT_ADD(tls, 12)
+{
+ .tls_version = TLS_1_2_VERSION,
+};
+
+FIXTURE_VARIANT_ADD(tls, 13)
+{
+ .tls_version = TLS_1_3_VERSION,
+};
+
FIXTURE_SETUP(tls)
{
struct tls12_crypto_info_aes_gcm_128 tls12;
@@ -112,7 +127,7 @@ FIXTURE_SETUP(tls)
len = sizeof(addr);
memset(&tls12, 0, sizeof(tls12));
- tls12.info.version = TLS_1_3_VERSION;
+ tls12.info.version = variant->tls_version;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
addr.sin_family = AF_INET;
@@ -733,7 +748,7 @@ TEST_F(tls, bidir)
struct tls12_crypto_info_aes_gcm_128 tls12;
memset(&tls12, 0, sizeof(tls12));
- tls12.info.version = TLS_1_3_VERSION;
+ tls12.info.version = variant->tls_version;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
@@ -1258,78 +1273,4 @@ TEST(keysizes) {
close(cfd);
}
-TEST(tls12) {
- int fd, cfd;
- bool notls;
-
- struct tls12_crypto_info_aes_gcm_128 tls12;
- struct sockaddr_in addr;
- socklen_t len;
- int sfd, ret;
-
- notls = false;
- len = sizeof(addr);
-
- memset(&tls12, 0, sizeof(tls12));
- tls12.info.version = TLS_1_2_VERSION;
- tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
-
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = htonl(INADDR_ANY);
- addr.sin_port = 0;
-
- fd = socket(AF_INET, SOCK_STREAM, 0);
- sfd = socket(AF_INET, SOCK_STREAM, 0);
-
- ret = bind(sfd, &addr, sizeof(addr));
- ASSERT_EQ(ret, 0);
- ret = listen(sfd, 10);
- ASSERT_EQ(ret, 0);
-
- ret = getsockname(sfd, &addr, &len);
- ASSERT_EQ(ret, 0);
-
- ret = connect(fd, &addr, sizeof(addr));
- ASSERT_EQ(ret, 0);
-
- ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
- if (ret != 0) {
- notls = true;
- printf("Failure setting TCP_ULP, testing without tls\n");
- }
-
- if (!notls) {
- ret = setsockopt(fd, SOL_TLS, TLS_TX, &tls12,
- sizeof(tls12));
- ASSERT_EQ(ret, 0);
- }
-
- cfd = accept(sfd, &addr, &len);
- ASSERT_GE(cfd, 0);
-
- if (!notls) {
- ret = setsockopt(cfd, IPPROTO_TCP, TCP_ULP, "tls",
- sizeof("tls"));
- ASSERT_EQ(ret, 0);
-
- ret = setsockopt(cfd, SOL_TLS, TLS_RX, &tls12,
- sizeof(tls12));
- ASSERT_EQ(ret, 0);
- }
-
- close(sfd);
-
- char const *test_str = "test_read";
- int send_len = 10;
- char buf[10];
-
- send_len = strlen(test_str) + 1;
- EXPECT_EQ(send(fd, test_str, send_len, 0), send_len);
- EXPECT_NE(recv(cfd, buf, send_len, 0), -1);
- EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
-
- close(fd);
- close(cfd);
-}
-
TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/net/vrf-xfrm-tests.sh b/tools/testing/selftests/net/vrf-xfrm-tests.sh
new file mode 100755
index 000000000000..184da81f554f
--- /dev/null
+++ b/tools/testing/selftests/net/vrf-xfrm-tests.sh
@@ -0,0 +1,436 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Various combinations of VRF with xfrms and qdisc.
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+PAUSE_ON_FAIL=no
+VERBOSE=0
+ret=0
+
+HOST1_4=192.168.1.1
+HOST2_4=192.168.1.2
+HOST1_6=2001:db8:1::1
+HOST2_6=2001:db8:1::2
+
+XFRM1_4=10.0.1.1
+XFRM2_4=10.0.1.2
+XFRM1_6=fc00:1000::1
+XFRM2_6=fc00:1000::2
+IF_ID=123
+
+VRF=red
+TABLE=300
+
+AUTH_1=0xd94fcfea65fddf21dc6e0d24a0253508
+AUTH_2=0xdc6e0d24a0253508d94fcfea65fddf21
+ENC_1=0xfc46c20f8048be9725930ff3fb07ac2a91f0347dffeacf62
+ENC_2=0x3fb07ac2a91f0347dffeacf62fc46c20f8048be9725930ff
+SPI_1=0x02122b77
+SPI_2=0x2b770212
+
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
+################################################################################
+#
+log_test()
+{
+ local rc=$1
+ local expected=$2
+ local msg="$3"
+
+ if [ ${rc} -eq ${expected} ]; then
+ printf "TEST: %-60s [ OK ]\n" "${msg}"
+ nsuccess=$((nsuccess+1))
+ else
+ ret=1
+ nfail=$((nfail+1))
+ printf "TEST: %-60s [FAIL]\n" "${msg}"
+ if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+ echo
+ echo "hit enter to continue, 'q' to quit"
+ read a
+ [ "$a" = "q" ] && exit 1
+ fi
+ fi
+}
+
+run_cmd_host1()
+{
+ local cmd="$*"
+ local out
+ local rc
+
+ if [ "$VERBOSE" = "1" ]; then
+ printf " COMMAND: $cmd\n"
+ fi
+
+ out=$(eval ip netns exec host1 $cmd 2>&1)
+ rc=$?
+ if [ "$VERBOSE" = "1" ]; then
+ if [ -n "$out" ]; then
+ echo
+ echo " $out"
+ fi
+ echo
+ fi
+
+ return $rc
+}
+
+################################################################################
+# create namespaces for hosts and sws
+
+create_vrf()
+{
+ local ns=$1
+ local vrf=$2
+ local table=$3
+
+ if [ -n "${ns}" ]; then
+ ns="-netns ${ns}"
+ fi
+
+ ip ${ns} link add ${vrf} type vrf table ${table}
+ ip ${ns} link set ${vrf} up
+ ip ${ns} route add vrf ${vrf} unreachable default metric 8192
+ ip ${ns} -6 route add vrf ${vrf} unreachable default metric 8192
+
+ ip ${ns} addr add 127.0.0.1/8 dev ${vrf}
+ ip ${ns} -6 addr add ::1 dev ${vrf} nodad
+
+ ip ${ns} ru del pref 0
+ ip ${ns} ru add pref 32765 from all lookup local
+ ip ${ns} -6 ru del pref 0
+ ip ${ns} -6 ru add pref 32765 from all lookup local
+}
+
+create_ns()
+{
+ local ns=$1
+ local addr=$2
+ local addr6=$3
+
+ [ -z "${addr}" ] && addr="-"
+ [ -z "${addr6}" ] && addr6="-"
+
+ ip netns add ${ns}
+
+ ip -netns ${ns} link set lo up
+ if [ "${addr}" != "-" ]; then
+ ip -netns ${ns} addr add dev lo ${addr}
+ fi
+ if [ "${addr6}" != "-" ]; then
+ ip -netns ${ns} -6 addr add dev lo ${addr6}
+ fi
+
+ ip -netns ${ns} ro add unreachable default metric 8192
+ ip -netns ${ns} -6 ro add unreachable default metric 8192
+
+ ip netns exec ${ns} sysctl -qw net.ipv4.ip_forward=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.all.forwarding=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.forwarding=1
+ ip netns exec ${ns} sysctl -qw net.ipv6.conf.default.accept_dad=0
+}
+
+# create veth pair to connect namespaces and apply addresses.
+connect_ns()
+{
+ local ns1=$1
+ local ns1_dev=$2
+ local ns1_addr=$3
+ local ns1_addr6=$4
+ local ns2=$5
+ local ns2_dev=$6
+ local ns2_addr=$7
+ local ns2_addr6=$8
+ local ns1arg
+ local ns2arg
+
+ if [ -n "${ns1}" ]; then
+ ns1arg="-netns ${ns1}"
+ fi
+ if [ -n "${ns2}" ]; then
+ ns2arg="-netns ${ns2}"
+ fi
+
+ ip ${ns1arg} li add ${ns1_dev} type veth peer name tmp
+ ip ${ns1arg} li set ${ns1_dev} up
+ ip ${ns1arg} li set tmp netns ${ns2} name ${ns2_dev}
+ ip ${ns2arg} li set ${ns2_dev} up
+
+ if [ "${ns1_addr}" != "-" ]; then
+ ip ${ns1arg} addr add dev ${ns1_dev} ${ns1_addr}
+ ip ${ns2arg} addr add dev ${ns2_dev} ${ns2_addr}
+ fi
+
+ if [ "${ns1_addr6}" != "-" ]; then
+ ip ${ns1arg} addr add dev ${ns1_dev} ${ns1_addr6} nodad
+ ip ${ns2arg} addr add dev ${ns2_dev} ${ns2_addr6} nodad
+ fi
+}
+
+################################################################################
+
+cleanup()
+{
+ ip netns del host1
+ ip netns del host2
+}
+
+setup()
+{
+ create_ns "host1"
+ create_ns "host2"
+
+ connect_ns "host1" eth0 ${HOST1_4}/24 ${HOST1_6}/64 \
+ "host2" eth0 ${HOST2_4}/24 ${HOST2_6}/64
+
+ create_vrf "host1" ${VRF} ${TABLE}
+ ip -netns host1 link set dev eth0 master ${VRF}
+}
+
+cleanup_xfrm()
+{
+ for ns in host1 host2
+ do
+ for x in state policy
+ do
+ ip -netns ${ns} xfrm ${x} flush
+ ip -6 -netns ${ns} xfrm ${x} flush
+ done
+ done
+}
+
+setup_xfrm()
+{
+ local h1_4=$1
+ local h2_4=$2
+ local h1_6=$3
+ local h2_6=$4
+ local devarg="$5"
+
+ #
+ # policy
+ #
+
+ # host1 - IPv4 out
+ ip -netns host1 xfrm policy add \
+ src ${h1_4} dst ${h2_4} ${devarg} dir out \
+ tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel
+
+ # host2 - IPv4 in
+ ip -netns host2 xfrm policy add \
+ src ${h1_4} dst ${h2_4} dir in \
+ tmpl src ${HOST1_4} dst ${HOST2_4} proto esp mode tunnel
+
+ # host1 - IPv4 in
+ ip -netns host1 xfrm policy add \
+ src ${h2_4} dst ${h1_4} ${devarg} dir in \
+ tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel
+
+ # host2 - IPv4 out
+ ip -netns host2 xfrm policy add \
+ src ${h2_4} dst ${h1_4} dir out \
+ tmpl src ${HOST2_4} dst ${HOST1_4} proto esp mode tunnel
+
+
+ # host1 - IPv6 out
+ ip -6 -netns host1 xfrm policy add \
+ src ${h1_6} dst ${h2_6} ${devarg} dir out \
+ tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel
+
+ # host2 - IPv6 in
+ ip -6 -netns host2 xfrm policy add \
+ src ${h1_6} dst ${h2_6} dir in \
+ tmpl src ${HOST1_6} dst ${HOST2_6} proto esp mode tunnel
+
+ # host1 - IPv6 in
+ ip -6 -netns host1 xfrm policy add \
+ src ${h2_6} dst ${h1_6} ${devarg} dir in \
+ tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel
+
+ # host2 - IPv6 out
+ ip -6 -netns host2 xfrm policy add \
+ src ${h2_6} dst ${h1_6} dir out \
+ tmpl src ${HOST2_6} dst ${HOST1_6} proto esp mode tunnel
+
+ #
+ # state
+ #
+ ip -netns host1 xfrm state add src ${HOST1_4} dst ${HOST2_4} \
+ proto esp spi ${SPI_1} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
+ enc 'cbc(des3_ede)' ${ENC_1} \
+ sel src ${h1_4} dst ${h2_4} ${devarg}
+
+ ip -netns host2 xfrm state add src ${HOST1_4} dst ${HOST2_4} \
+ proto esp spi ${SPI_1} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
+ enc 'cbc(des3_ede)' ${ENC_1} \
+ sel src ${h1_4} dst ${h2_4}
+
+
+ ip -netns host1 xfrm state add src ${HOST2_4} dst ${HOST1_4} \
+ proto esp spi ${SPI_2} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
+ enc 'cbc(des3_ede)' ${ENC_2} \
+ sel src ${h2_4} dst ${h1_4} ${devarg}
+
+ ip -netns host2 xfrm state add src ${HOST2_4} dst ${HOST1_4} \
+ proto esp spi ${SPI_2} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
+ enc 'cbc(des3_ede)' ${ENC_2} \
+ sel src ${h2_4} dst ${h1_4}
+
+
+ ip -6 -netns host1 xfrm state add src ${HOST1_6} dst ${HOST2_6} \
+ proto esp spi ${SPI_1} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
+ enc 'cbc(des3_ede)' ${ENC_1} \
+ sel src ${h1_6} dst ${h2_6} ${devarg}
+
+ ip -6 -netns host2 xfrm state add src ${HOST1_6} dst ${HOST2_6} \
+ proto esp spi ${SPI_1} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_1} 96 \
+ enc 'cbc(des3_ede)' ${ENC_1} \
+ sel src ${h1_6} dst ${h2_6}
+
+
+ ip -6 -netns host1 xfrm state add src ${HOST2_6} dst ${HOST1_6} \
+ proto esp spi ${SPI_2} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
+ enc 'cbc(des3_ede)' ${ENC_2} \
+ sel src ${h2_6} dst ${h1_6} ${devarg}
+
+ ip -6 -netns host2 xfrm state add src ${HOST2_6} dst ${HOST1_6} \
+ proto esp spi ${SPI_2} reqid 0 mode tunnel \
+ replay-window 4 replay-oseq 0x4 \
+ auth-trunc 'hmac(md5)' ${AUTH_2} 96 \
+ enc 'cbc(des3_ede)' ${ENC_2} \
+ sel src ${h2_6} dst ${h1_6}
+}
+
+cleanup_xfrm_dev()
+{
+ ip -netns host1 li del xfrm0
+ ip -netns host2 addr del ${XFRM2_4}/24 dev eth0
+ ip -netns host2 addr del ${XFRM2_6}/64 dev eth0
+}
+
+setup_xfrm_dev()
+{
+ local vrfarg="vrf ${VRF}"
+
+ ip -netns host1 li add type xfrm dev eth0 if_id ${IF_ID}
+ ip -netns host1 li set xfrm0 ${vrfarg} up
+ ip -netns host1 addr add ${XFRM1_4}/24 dev xfrm0
+ ip -netns host1 addr add ${XFRM1_6}/64 dev xfrm0
+
+ ip -netns host2 addr add ${XFRM2_4}/24 dev eth0
+ ip -netns host2 addr add ${XFRM2_6}/64 dev eth0
+
+ setup_xfrm ${XFRM1_4} ${XFRM2_4} ${XFRM1_6} ${XFRM2_6} "if_id ${IF_ID}"
+}
+
+run_tests()
+{
+ cleanup_xfrm
+
+ # no IPsec
+ run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4}
+ log_test $? 0 "IPv4 no xfrm policy"
+ run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6}
+ log_test $? 0 "IPv6 no xfrm policy"
+
+ # xfrm without VRF in sel
+ setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6}
+ run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4}
+ log_test $? 0 "IPv4 xfrm policy based on address"
+ run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6}
+ log_test $? 0 "IPv6 xfrm policy based on address"
+ cleanup_xfrm
+
+ # xfrm with VRF in sel
+ # Known failure: ipv4 resets the flow oif after the lookup. Fix is
+ # not straightforward.
+ # setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6} "dev ${VRF}"
+ # run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4}
+ # log_test $? 0 "IPv4 xfrm policy with VRF in selector"
+ run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6}
+ log_test $? 0 "IPv6 xfrm policy with VRF in selector"
+ cleanup_xfrm
+
+ # xfrm with enslaved device in sel
+ # Known failures: combined with the above, __xfrm{4,6}_selector_match
+ # needs to consider both l3mdev and enslaved device index.
+ # setup_xfrm ${HOST1_4} ${HOST2_4} ${HOST1_6} ${HOST2_6} "dev eth0"
+ # run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${HOST2_4}
+ # log_test $? 0 "IPv4 xfrm policy with enslaved device in selector"
+ # run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${HOST2_6}
+ # log_test $? 0 "IPv6 xfrm policy with enslaved device in selector"
+ # cleanup_xfrm
+
+ # xfrm device
+ setup_xfrm_dev
+ run_cmd_host1 ip vrf exec ${VRF} ping -c1 -w1 ${XFRM2_4}
+ log_test $? 0 "IPv4 xfrm policy with xfrm device"
+ run_cmd_host1 ip vrf exec ${VRF} ${ping6} -c1 -w1 ${XFRM2_6}
+ log_test $? 0 "IPv6 xfrm policy with xfrm device"
+ cleanup_xfrm_dev
+}
+
+################################################################################
+# usage
+
+usage()
+{
+ cat <<EOF
+usage: ${0##*/} OPTS
+
+ -p Pause on fail
+ -v verbose mode (show commands and output)
+
+done
+EOF
+}
+
+################################################################################
+# main
+
+while getopts :pv o
+do
+ case $o in
+ p) PAUSE_ON_FAIL=yes;;
+ v) VERBOSE=$(($VERBOSE + 1));;
+ h) usage; exit 0;;
+ *) usage; exit 1;;
+ esac
+done
+
+cleanup 2>/dev/null
+setup
+
+echo
+echo "No qdisc on VRF device"
+run_tests
+
+run_cmd_host1 tc qdisc add dev ${VRF} root netem delay 100ms
+echo
+echo "netem qdisc on VRF device"
+run_tests
+
+printf "\nTests passed: %3d\n" ${nsuccess}
+printf "Tests failed: %3d\n" ${nfail}
+
+exit $ret
diff --git a/tools/testing/selftests/nsfs/pidns.c b/tools/testing/selftests/nsfs/pidns.c
index e0d86e1668c0..e3c772c6a7c7 100644
--- a/tools/testing/selftests/nsfs/pidns.c
+++ b/tools/testing/selftests/nsfs/pidns.c
@@ -27,7 +27,7 @@
#define __stack_aligned__ __attribute__((aligned(16)))
struct cr_clone_arg {
char stack[128] __stack_aligned__;
- char stack_ptr[0];
+ char stack_ptr[];
};
static int child(void *args)
diff --git a/tools/testing/selftests/pidfd/.gitignore b/tools/testing/selftests/pidfd/.gitignore
index 2d4db5afb142..973198a3ec3d 100644
--- a/tools/testing/selftests/pidfd/.gitignore
+++ b/tools/testing/selftests/pidfd/.gitignore
@@ -5,3 +5,4 @@ pidfd_test
pidfd_wait
pidfd_fdinfo_test
pidfd_getfd_test
+pidfd_setns_test
diff --git a/tools/testing/selftests/pidfd/Makefile b/tools/testing/selftests/pidfd/Makefile
index 75a545861375..f4a2f28f926b 100644
--- a/tools/testing/selftests/pidfd/Makefile
+++ b/tools/testing/selftests/pidfd/Makefile
@@ -1,7 +1,8 @@
# SPDX-License-Identifier: GPL-2.0-only
CFLAGS += -g -I../../../../usr/include/ -pthread
-TEST_GEN_PROGS := pidfd_test pidfd_fdinfo_test pidfd_open_test pidfd_poll_test pidfd_wait pidfd_getfd_test
+TEST_GEN_PROGS := pidfd_test pidfd_fdinfo_test pidfd_open_test \
+ pidfd_poll_test pidfd_wait pidfd_getfd_test pidfd_setns_test
include ../lib.mk
diff --git a/tools/testing/selftests/pidfd/config b/tools/testing/selftests/pidfd/config
new file mode 100644
index 000000000000..bb11de90c0c9
--- /dev/null
+++ b/tools/testing/selftests/pidfd/config
@@ -0,0 +1,6 @@
+CONFIG_UTS_NS=y
+CONFIG_IPC_NS=y
+CONFIG_USER_NS=y
+CONFIG_PID_NS=y
+CONFIG_NET_NS=y
+CONFIG_CGROUPS=y
diff --git a/tools/testing/selftests/pidfd/pidfd_setns_test.c b/tools/testing/selftests/pidfd/pidfd_setns_test.c
new file mode 100644
index 000000000000..133ec5b6cda8
--- /dev/null
+++ b/tools/testing/selftests/pidfd/pidfd_setns_test.c
@@ -0,0 +1,473 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <linux/types.h>
+#include <sched.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syscall.h>
+#include <sys/prctl.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <linux/kcmp.h>
+
+#include "pidfd.h"
+#include "../clone3/clone3_selftests.h"
+#include "../kselftest.h"
+#include "../kselftest_harness.h"
+
+enum {
+ PIDFD_NS_USER,
+ PIDFD_NS_MNT,
+ PIDFD_NS_PID,
+ PIDFD_NS_UTS,
+ PIDFD_NS_IPC,
+ PIDFD_NS_NET,
+ PIDFD_NS_CGROUP,
+ PIDFD_NS_PIDCLD,
+ PIDFD_NS_MAX
+};
+
+const struct ns_info {
+ const char *name;
+ int flag;
+} ns_info[] = {
+ [PIDFD_NS_USER] = { "user", CLONE_NEWUSER, },
+ [PIDFD_NS_MNT] = { "mnt", CLONE_NEWNS, },
+ [PIDFD_NS_PID] = { "pid", CLONE_NEWPID, },
+ [PIDFD_NS_UTS] = { "uts", CLONE_NEWUTS, },
+ [PIDFD_NS_IPC] = { "ipc", CLONE_NEWIPC, },
+ [PIDFD_NS_NET] = { "net", CLONE_NEWNET, },
+ [PIDFD_NS_CGROUP] = { "cgroup", CLONE_NEWCGROUP, },
+ [PIDFD_NS_PIDCLD] = { "pid_for_children", 0, },
+};
+
+FIXTURE(current_nsset)
+{
+ pid_t pid;
+ int pidfd;
+ int nsfds[PIDFD_NS_MAX];
+
+ pid_t child_pid_exited;
+ int child_pidfd_exited;
+
+ pid_t child_pid1;
+ int child_pidfd1;
+ int child_nsfds1[PIDFD_NS_MAX];
+
+ pid_t child_pid2;
+ int child_pidfd2;
+ int child_nsfds2[PIDFD_NS_MAX];
+};
+
+static int sys_waitid(int which, pid_t pid, int options)
+{
+ return syscall(__NR_waitid, which, pid, NULL, options, NULL);
+}
+
+pid_t create_child(int *pidfd, unsigned flags)
+{
+ struct clone_args args = {
+ .flags = CLONE_PIDFD | flags,
+ .exit_signal = SIGCHLD,
+ .pidfd = ptr_to_u64(pidfd),
+ };
+
+ return sys_clone3(&args, sizeof(struct clone_args));
+}
+
+FIXTURE_SETUP(current_nsset)
+{
+ int i, proc_fd, ret;
+
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ self->nsfds[i] = -EBADF;
+ self->child_nsfds1[i] = -EBADF;
+ self->child_nsfds2[i] = -EBADF;
+ }
+
+ proc_fd = open("/proc/self/ns", O_DIRECTORY | O_CLOEXEC);
+ ASSERT_GE(proc_fd, 0) {
+ TH_LOG("%m - Failed to open /proc/self/ns");
+ }
+
+ self->pid = getpid();
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+ self->nsfds[i] = openat(proc_fd, info->name, O_RDONLY | O_CLOEXEC);
+ if (self->nsfds[i] < 0) {
+ EXPECT_EQ(errno, ENOENT) {
+ TH_LOG("%m - Failed to open %s namespace for process %d",
+ info->name, self->pid);
+ }
+ }
+ }
+
+ self->pidfd = sys_pidfd_open(self->pid, 0);
+ EXPECT_GT(self->pidfd, 0) {
+ TH_LOG("%m - Failed to open pidfd for process %d", self->pid);
+ }
+
+ /* Create task that exits right away. */
+ self->child_pid_exited = create_child(&self->child_pidfd_exited,
+ CLONE_NEWUSER | CLONE_NEWNET);
+ EXPECT_GT(self->child_pid_exited, 0);
+
+ if (self->child_pid_exited == 0)
+ _exit(EXIT_SUCCESS);
+
+ ASSERT_EQ(sys_waitid(P_PID, self->child_pid_exited, WEXITED | WNOWAIT), 0);
+
+ self->pidfd = sys_pidfd_open(self->pid, 0);
+ EXPECT_GE(self->pidfd, 0) {
+ TH_LOG("%m - Failed to open pidfd for process %d", self->pid);
+ }
+
+ /* Create tasks that will be stopped. */
+ self->child_pid1 = create_child(&self->child_pidfd1,
+ CLONE_NEWUSER | CLONE_NEWNS |
+ CLONE_NEWCGROUP | CLONE_NEWIPC |
+ CLONE_NEWUTS | CLONE_NEWPID |
+ CLONE_NEWNET);
+ EXPECT_GE(self->child_pid1, 0);
+
+ if (self->child_pid1 == 0) {
+ pause();
+ _exit(EXIT_SUCCESS);
+ }
+
+ self->child_pid2 = create_child(&self->child_pidfd2,
+ CLONE_NEWUSER | CLONE_NEWNS |
+ CLONE_NEWCGROUP | CLONE_NEWIPC |
+ CLONE_NEWUTS | CLONE_NEWPID |
+ CLONE_NEWNET);
+ EXPECT_GE(self->child_pid2, 0);
+
+ if (self->child_pid2 == 0) {
+ pause();
+ _exit(EXIT_SUCCESS);
+ }
+
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ char p[100];
+
+ const struct ns_info *info = &ns_info[i];
+
+ self->nsfds[i] = openat(proc_fd, info->name, O_RDONLY | O_CLOEXEC);
+ if (self->nsfds[i] < 0) {
+ EXPECT_EQ(errno, ENOENT) {
+ TH_LOG("%m - Failed to open %s namespace for process %d",
+ info->name, self->pid);
+ }
+ }
+
+ ret = snprintf(p, sizeof(p), "/proc/%d/ns/%s",
+ self->child_pid1, info->name);
+ EXPECT_GT(ret, 0);
+ EXPECT_LT(ret, sizeof(p));
+
+ self->child_nsfds1[i] = open(p, O_RDONLY | O_CLOEXEC);
+ if (self->child_nsfds1[i] < 0) {
+ EXPECT_EQ(errno, ENOENT) {
+ TH_LOG("%m - Failed to open %s namespace for process %d",
+ info->name, self->child_pid1);
+ }
+ }
+
+ ret = snprintf(p, sizeof(p), "/proc/%d/ns/%s",
+ self->child_pid2, info->name);
+ EXPECT_GT(ret, 0);
+ EXPECT_LT(ret, sizeof(p));
+
+ self->child_nsfds2[i] = open(p, O_RDONLY | O_CLOEXEC);
+ if (self->child_nsfds2[i] < 0) {
+ EXPECT_EQ(errno, ENOENT) {
+ TH_LOG("%m - Failed to open %s namespace for process %d",
+ info->name, self->child_pid1);
+ }
+ }
+ }
+
+ close(proc_fd);
+}
+
+FIXTURE_TEARDOWN(current_nsset)
+{
+ int i;
+
+ ASSERT_EQ(sys_pidfd_send_signal(self->child_pidfd1,
+ SIGKILL, NULL, 0), 0);
+ ASSERT_EQ(sys_pidfd_send_signal(self->child_pidfd2,
+ SIGKILL, NULL, 0), 0);
+
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ if (self->nsfds[i] >= 0)
+ close(self->nsfds[i]);
+ if (self->child_nsfds1[i] >= 0)
+ close(self->child_nsfds1[i]);
+ if (self->child_nsfds2[i] >= 0)
+ close(self->child_nsfds2[i]);
+ }
+
+ if (self->child_pidfd1 >= 0)
+ EXPECT_EQ(0, close(self->child_pidfd1));
+ if (self->child_pidfd2 >= 0)
+ EXPECT_EQ(0, close(self->child_pidfd2));
+ ASSERT_EQ(sys_waitid(P_PID, self->child_pid_exited, WEXITED), 0);
+ ASSERT_EQ(sys_waitid(P_PID, self->child_pid1, WEXITED), 0);
+ ASSERT_EQ(sys_waitid(P_PID, self->child_pid2, WEXITED), 0);
+}
+
+static int preserve_ns(const int pid, const char *ns)
+{
+ int ret;
+ char path[50];
+
+ ret = snprintf(path, sizeof(path), "/proc/%d/ns/%s", pid, ns);
+ if (ret < 0 || (size_t)ret >= sizeof(path))
+ return -EIO;
+
+ return open(path, O_RDONLY | O_CLOEXEC);
+}
+
+static int in_same_namespace(int ns_fd1, pid_t pid2, const char *ns)
+{
+ int ns_fd2 = -EBADF;
+ int ret = -1;
+ struct stat ns_st1, ns_st2;
+
+ ret = fstat(ns_fd1, &ns_st1);
+ if (ret < 0)
+ return -1;
+
+ ns_fd2 = preserve_ns(pid2, ns);
+ if (ns_fd2 < 0)
+ return -1;
+
+ ret = fstat(ns_fd2, &ns_st2);
+ close(ns_fd2);
+ if (ret < 0)
+ return -1;
+
+ /* processes are in the same namespace */
+ if ((ns_st1.st_dev == ns_st2.st_dev) &&
+ (ns_st1.st_ino == ns_st2.st_ino))
+ return 1;
+
+ /* processes are in different namespaces */
+ return 0;
+}
+
+/* Test that we can't pass garbage to the kernel. */
+TEST_F(current_nsset, invalid_flags)
+{
+ ASSERT_NE(setns(self->pidfd, 0), 0);
+ EXPECT_EQ(errno, EINVAL);
+
+ ASSERT_NE(setns(self->pidfd, -1), 0);
+ EXPECT_EQ(errno, EINVAL);
+
+ ASSERT_NE(setns(self->pidfd, CLONE_VM), 0);
+ EXPECT_EQ(errno, EINVAL);
+
+ ASSERT_NE(setns(self->pidfd, CLONE_NEWUSER | CLONE_VM), 0);
+ EXPECT_EQ(errno, EINVAL);
+}
+
+/* Test that we can't attach to a task that has already exited. */
+TEST_F(current_nsset, pidfd_exited_child)
+{
+ int i;
+ pid_t pid;
+
+ ASSERT_NE(setns(self->child_pidfd_exited, CLONE_NEWUSER | CLONE_NEWNET),
+ 0);
+ EXPECT_EQ(errno, ESRCH);
+
+ pid = getpid();
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+ /* Verify that we haven't changed any namespaces. */
+ if (self->nsfds[i] >= 0)
+ ASSERT_EQ(in_same_namespace(self->nsfds[i], pid, info->name), 1);
+ }
+}
+
+TEST_F(current_nsset, pidfd_incremental_setns)
+{
+ int i;
+ pid_t pid;
+
+ pid = getpid();
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+ int nsfd;
+
+ if (self->child_nsfds1[i] < 0)
+ continue;
+
+ if (info->flag) {
+ ASSERT_EQ(setns(self->child_pidfd1, info->flag), 0) {
+ TH_LOG("%m - Failed to setns to %s namespace of %d via pidfd %d",
+ info->name, self->child_pid1,
+ self->child_pidfd1);
+ }
+ }
+
+ /* Verify that we have changed to the correct namespaces. */
+ if (info->flag == CLONE_NEWPID)
+ nsfd = self->nsfds[i];
+ else
+ nsfd = self->child_nsfds1[i];
+ ASSERT_EQ(in_same_namespace(nsfd, pid, info->name), 1) {
+ TH_LOG("setns failed to place us correctly into %s namespace of %d via pidfd %d",
+ info->name, self->child_pid1,
+ self->child_pidfd1);
+ }
+ TH_LOG("Managed to correctly setns to %s namespace of %d via pidfd %d",
+ info->name, self->child_pid1, self->child_pidfd1);
+ }
+}
+
+TEST_F(current_nsset, nsfd_incremental_setns)
+{
+ int i;
+ pid_t pid;
+
+ pid = getpid();
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+ int nsfd;
+
+ if (self->child_nsfds1[i] < 0)
+ continue;
+
+ if (info->flag) {
+ ASSERT_EQ(setns(self->child_nsfds1[i], info->flag), 0) {
+ TH_LOG("%m - Failed to setns to %s namespace of %d via nsfd %d",
+ info->name, self->child_pid1,
+ self->child_nsfds1[i]);
+ }
+ }
+
+ /* Verify that we have changed to the correct namespaces. */
+ if (info->flag == CLONE_NEWPID)
+ nsfd = self->nsfds[i];
+ else
+ nsfd = self->child_nsfds1[i];
+ ASSERT_EQ(in_same_namespace(nsfd, pid, info->name), 1) {
+ TH_LOG("setns failed to place us correctly into %s namespace of %d via nsfd %d",
+ info->name, self->child_pid1,
+ self->child_nsfds1[i]);
+ }
+ TH_LOG("Managed to correctly setns to %s namespace of %d via nsfd %d",
+ info->name, self->child_pid1, self->child_nsfds1[i]);
+ }
+}
+
+TEST_F(current_nsset, pidfd_one_shot_setns)
+{
+ unsigned flags = 0;
+ int i;
+ pid_t pid;
+
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+
+ if (self->child_nsfds1[i] < 0)
+ continue;
+
+ flags |= info->flag;
+ TH_LOG("Adding %s namespace of %d to list of namespaces to attach to",
+ info->name, self->child_pid1);
+ }
+
+ ASSERT_EQ(setns(self->child_pidfd1, flags), 0) {
+ TH_LOG("%m - Failed to setns to namespaces of %d",
+ self->child_pid1);
+ }
+
+ pid = getpid();
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+ int nsfd;
+
+ if (self->child_nsfds1[i] < 0)
+ continue;
+
+ /* Verify that we have changed to the correct namespaces. */
+ if (info->flag == CLONE_NEWPID)
+ nsfd = self->nsfds[i];
+ else
+ nsfd = self->child_nsfds1[i];
+ ASSERT_EQ(in_same_namespace(nsfd, pid, info->name), 1) {
+ TH_LOG("setns failed to place us correctly into %s namespace of %d",
+ info->name, self->child_pid1);
+ }
+ TH_LOG("Managed to correctly setns to %s namespace of %d",
+ info->name, self->child_pid1);
+ }
+}
+
+TEST_F(current_nsset, no_foul_play)
+{
+ unsigned flags = 0;
+ int i;
+
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+
+ if (self->child_nsfds1[i] < 0)
+ continue;
+
+ flags |= info->flag;
+ if (info->flag) /* No use logging pid_for_children. */
+ TH_LOG("Adding %s namespace of %d to list of namespaces to attach to",
+ info->name, self->child_pid1);
+ }
+
+ ASSERT_EQ(setns(self->child_pidfd1, flags), 0) {
+ TH_LOG("%m - Failed to setns to namespaces of %d vid pidfd %d",
+ self->child_pid1, self->child_pidfd1);
+ }
+
+ /*
+ * Can't setns to a user namespace outside of our hierarchy since we
+ * don't have caps in there and didn't create it. That means that under
+ * no circumstances should we be able to setns to any of the other
+ * ones since they aren't owned by our user namespace.
+ */
+ for (i = 0; i < PIDFD_NS_MAX; i++) {
+ const struct ns_info *info = &ns_info[i];
+
+ if (self->child_nsfds2[i] < 0 || !info->flag)
+ continue;
+
+ ASSERT_NE(setns(self->child_pidfd2, info->flag), 0) {
+ TH_LOG("Managed to setns to %s namespace of %d via pidfd %d",
+ info->name, self->child_pid2,
+ self->child_pidfd2);
+ }
+ TH_LOG("%m - Correctly failed to setns to %s namespace of %d via pidfd %d",
+ info->name, self->child_pid2,
+ self->child_pidfd2);
+
+ ASSERT_NE(setns(self->child_nsfds2[i], info->flag), 0) {
+ TH_LOG("Managed to setns to %s namespace of %d via nsfd %d",
+ info->name, self->child_pid2,
+ self->child_nsfds2[i]);
+ }
+ TH_LOG("%m - Correctly failed to setns to %s namespace of %d via nsfd %d",
+ info->name, self->child_pid2,
+ self->child_nsfds2[i]);
+ }
+}
+
+TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/pstore/pstore_tests b/tools/testing/selftests/pstore/pstore_tests
index 1cef54458aff..2aa9a3852a84 100755
--- a/tools/testing/selftests/pstore/pstore_tests
+++ b/tools/testing/selftests/pstore/pstore_tests
@@ -10,7 +10,7 @@
. ./common_tests
prlog -n "Checking pstore console is registered ... "
-dmesg | grep -q "console \[pstore"
+dmesg | grep -Eq "console \[(pstore|${backend})"
show_result $?
prlog -n "Checking /dev/pmsg0 exists ... "
diff --git a/tools/testing/selftests/ptp/testptp.c b/tools/testing/selftests/ptp/testptp.c
index c0dd10257df5..da7a9dda9490 100644
--- a/tools/testing/selftests/ptp/testptp.c
+++ b/tools/testing/selftests/ptp/testptp.c
@@ -269,14 +269,16 @@ int main(int argc, char *argv[])
" %d programmable periodic signals\n"
" %d pulse per second\n"
" %d programmable pins\n"
- " %d cross timestamping\n",
+ " %d cross timestamping\n"
+ " %d adjust_phase\n",
caps.max_adj,
caps.n_alarm,
caps.n_ext_ts,
caps.n_per_out,
caps.pps,
caps.n_pins,
- caps.cross_timestamping);
+ caps.cross_timestamping,
+ caps.adjust_phase);
}
}
diff --git a/tools/testing/selftests/rcutorture/bin/kcsan-collapse.sh b/tools/testing/selftests/rcutorture/bin/kcsan-collapse.sh
new file mode 100755
index 000000000000..e5cc6b2f195e
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/bin/kcsan-collapse.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+#
+# If this was a KCSAN run, collapse the reports in the various console.log
+# files onto pairs of functions.
+#
+# Usage: kcsan-collapse.sh resultsdir
+#
+# Copyright (C) 2020 Facebook, Inc.
+#
+# Authors: Paul E. McKenney <paulmck@kernel.org>
+
+if test -z "$TORTURE_KCONFIG_KCSAN_ARG"
+then
+ exit 0
+fi
+cat $1/*/console.log |
+ grep "BUG: KCSAN: " |
+ sed -e 's/^\[[^]]*] //' |
+ sort |
+ uniq -c |
+ sort -k1nr > $1/kcsan.sum
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
index 9d9a41625dd9..1706cd4466b4 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck-rcu.sh
@@ -41,7 +41,21 @@ else
title="$title ($ngpsps/s)"
fi
echo $title $stopstate $fwdprog
- nclosecalls=`grep --binary-files=text 'torture: Reader Batch' $i/console.log | tail -1 | awk '{for (i=NF-8;i<=NF;i++) sum+=$i; } END {print sum}'`
+ nclosecalls=`grep --binary-files=text 'torture: Reader Batch' $i/console.log | tail -1 | \
+ awk -v sum=0 '
+ {
+ for (i = 0; i <= NF; i++) {
+ sum += $i;
+ if ($i ~ /Batch:/) {
+ sum = 0;
+ i = i + 2;
+ }
+ }
+ }
+
+ END {
+ print sum
+ }'`
if test -z "$nclosecalls"
then
exit 0
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
index 0326f4a5ff9c..736f04749b90 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh
@@ -70,6 +70,15 @@ do
fi
fi
done
+ if test -f "$rd/kcsan.sum"
+ then
+ if test -s "$rd/kcsan.sum"
+ then
+ echo KCSAN summary in $rd/kcsan.sum
+ else
+ echo Clean KCSAN run in $rd
+ fi
+ fi
done
EDITOR=echo kvm-find-errors.sh "${@: -1}" > $T 2>&1
ret=$?
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index e0352304b98b..6ff611c630d1 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -44,30 +44,32 @@ then
fi
echo ' ---' `date`: Starting build
echo ' ---' Kconfig fragment at: $config_template >> $resdir/log
-touch $resdir/ConfigFragment.input $resdir/ConfigFragment
-if test -r "$config_dir/CFcommon"
-then
- echo " --- $config_dir/CFcommon" >> $resdir/ConfigFragment.input
- cat < $config_dir/CFcommon >> $resdir/ConfigFragment.input
- config_override.sh $config_dir/CFcommon $config_template > $T/Kc1
- grep '#CHECK#' $config_dir/CFcommon >> $resdir/ConfigFragment
-else
- cp $config_template $T/Kc1
-fi
-echo " --- $config_template" >> $resdir/ConfigFragment.input
-cat $config_template >> $resdir/ConfigFragment.input
-grep '#CHECK#' $config_template >> $resdir/ConfigFragment
-if test -n "$TORTURE_KCONFIG_ARG"
-then
- echo $TORTURE_KCONFIG_ARG | tr -s " " "\012" > $T/cmdline
- echo " --- --kconfig argument" >> $resdir/ConfigFragment.input
- cat $T/cmdline >> $resdir/ConfigFragment.input
- config_override.sh $T/Kc1 $T/cmdline > $T/Kc2
- # Note that "#CHECK#" is not permitted on commandline.
-else
- cp $T/Kc1 $T/Kc2
-fi
-cat $T/Kc2 >> $resdir/ConfigFragment
+touch $resdir/ConfigFragment.input
+
+# Combine additional Kconfig options into an existing set such that
+# newer options win. The first argument is the Kconfig source ID, the
+# second the to-be-updated file within $T, and the third and final the
+# list of additional Kconfig options. Note that a $2.tmp file is
+# created when doing the update.
+config_override_param () {
+ if test -n "$3"
+ then
+ echo $3 | sed -e 's/^ *//' -e 's/ *$//' | tr -s " " "\012" > $T/Kconfig_args
+ echo " --- $1" >> $resdir/ConfigFragment.input
+ cat $T/Kconfig_args >> $resdir/ConfigFragment.input
+ config_override.sh $T/$2 $T/Kconfig_args > $T/$2.tmp
+ mv $T/$2.tmp $T/$2
+ # Note that "#CHECK#" is not permitted on commandline.
+ fi
+}
+
+echo > $T/KcList
+config_override_param "$config_dir/CFcommon" KcList "`cat $config_dir/CFcommon 2> /dev/null`"
+config_override_param "$config_template" KcList "`cat $config_template 2> /dev/null`"
+config_override_param "--kasan options" KcList "$TORTURE_KCONFIG_KASAN_ARG"
+config_override_param "--kcsan options" KcList "$TORTURE_KCONFIG_KCSAN_ARG"
+config_override_param "--kconfig argument" KcList "$TORTURE_KCONFIG_ARG"
+cp $T/KcList $resdir/ConfigFragment
base_resdir=`echo $resdir | sed -e 's/\.[0-9]\+$//'`
if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdir/vmlinux
@@ -80,7 +82,7 @@ then
ln -s $base_resdir/.config $resdir # for kvm-recheck.sh
# Arch-independent indicator
touch $resdir/builtkernel
-elif kvm-build.sh $T/Kc2 $resdir
+elif kvm-build.sh $T/KcList $resdir
then
# Had to build a kernel for this test.
QEMU="`identify_qemu vmlinux`"
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 2315e2ec12d6..c279cf9cb010 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -31,6 +31,8 @@ TORTURE_DEFCONFIG=defconfig
TORTURE_BOOT_IMAGE=""
TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
TORTURE_KCONFIG_ARG=""
+TORTURE_KCONFIG_KASAN_ARG=""
+TORTURE_KCONFIG_KCSAN_ARG=""
TORTURE_KMAKE_ARG=""
TORTURE_QEMU_MEM=512
TORTURE_SHUTDOWN_GRACE=180
@@ -133,6 +135,12 @@ do
TORTURE_KCONFIG_ARG="$2"
shift
;;
+ --kasan)
+ TORTURE_KCONFIG_KASAN_ARG="CONFIG_DEBUG_INFO=y CONFIG_KASAN=y"; export TORTURE_KCONFIG_KASAN_ARG
+ ;;
+ --kcsan)
+ TORTURE_KCONFIG_KCSAN_ARG="CONFIG_DEBUG_INFO=y CONFIG_KCSAN=y CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n CONFIG_KCSAN_REPORT_VALUE_CHANGE_ONLY=n CONFIG_KCSAN_REPORT_ONCE_IN_MS=100000 CONFIG_KCSAN_VERBOSE=y CONFIG_KCSAN_INTERRUPT_WATCHER=y"; export TORTURE_KCONFIG_KCSAN_ARG
+ ;;
--kmake-arg)
checkarg --kmake-arg "(kernel make arguments)" $# "$2" '.*' '^error$'
TORTURE_KMAKE_ARG="$2"
@@ -310,6 +318,8 @@ TORTURE_BUILDONLY="$TORTURE_BUILDONLY"; export TORTURE_BUILDONLY
TORTURE_DEFCONFIG="$TORTURE_DEFCONFIG"; export TORTURE_DEFCONFIG
TORTURE_INITRD="$TORTURE_INITRD"; export TORTURE_INITRD
TORTURE_KCONFIG_ARG="$TORTURE_KCONFIG_ARG"; export TORTURE_KCONFIG_ARG
+TORTURE_KCONFIG_KASAN_ARG="$TORTURE_KCONFIG_KASAN_ARG"; export TORTURE_KCONFIG_KASAN_ARG
+TORTURE_KCONFIG_KCSAN_ARG="$TORTURE_KCONFIG_KCSAN_ARG"; export TORTURE_KCONFIG_KCSAN_ARG
TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD
TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE
@@ -464,6 +474,7 @@ echo
echo
echo " --- `date` Test summary:"
echo Results directory: $resdir/$ds
+kcsan-collapse.sh $resdir/$ds
kvm-recheck.sh $resdir/$ds
___EOF___
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index c3c1fb5a9e1f..f2b20db9e296 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -14,3 +14,6 @@ TINY02
TASKS01
TASKS02
TASKS03
+RUDE01
+TRACE01
+TRACE02
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/RUDE01 b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01
new file mode 100644
index 000000000000..bafe94cbd739
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01
@@ -0,0 +1,10 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=2
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y
+CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_PROVE_LOCKING=y
+#CHECK#CONFIG_PROVE_RCU=y
+CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/RUDE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01.boot
new file mode 100644
index 000000000000..9363708c9075
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/RUDE01.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=tasks-rude
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE01 b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01
new file mode 100644
index 000000000000..12e7661b86f5
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01
@@ -0,0 +1,11 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=y
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=n
+CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_PROVE_LOCKING=y
+#CHECK#CONFIG_PROVE_RCU=y
+CONFIG_TASKS_TRACE_RCU_READ_MB=y
+CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE01.boot b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01.boot
new file mode 100644
index 000000000000..9675ad632dcc
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE01.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=tasks-tracing
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE02 b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02
new file mode 100644
index 000000000000..b69ed6673c41
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02
@@ -0,0 +1,11 @@
+CONFIG_SMP=y
+CONFIG_NR_CPUS=4
+CONFIG_HOTPLUG_CPU=y
+CONFIG_PREEMPT_NONE=n
+CONFIG_PREEMPT_VOLUNTARY=n
+CONFIG_PREEMPT=y
+CONFIG_DEBUG_LOCK_ALLOC=n
+CONFIG_PROVE_LOCKING=n
+#CHECK#CONFIG_PROVE_RCU=n
+CONFIG_TASKS_TRACE_RCU_READ_MB=n
+CONFIG_RCU_EXPERT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
new file mode 100644
index 000000000000..9675ad632dcc
--- /dev/null
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TRACE02.boot
@@ -0,0 +1 @@
+rcutorture.torture_type=tasks-tracing
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE10 b/tools/testing/selftests/rcutorture/configs/rcu/TREE10
index 2debe7891aeb..7311f84a5876 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE10
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE10
@@ -1,5 +1,5 @@
CONFIG_SMP=y
-CONFIG_NR_CPUS=100
+CONFIG_NR_CPUS=56
CONFIG_PREEMPT_NONE=y
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=n
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 89fb3e0b552e..c0aa46ce14f6 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -2803,12 +2803,13 @@ TEST(syscall_restart)
offsetof(struct seccomp_data, nr)),
#ifdef __NR_sigreturn
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_sigreturn, 6, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_sigreturn, 7, 0),
#endif
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_read, 5, 0),
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_exit, 4, 0),
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_rt_sigreturn, 3, 0),
- BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_nanosleep, 4, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_read, 6, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_exit, 5, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_rt_sigreturn, 4, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_nanosleep, 5, 0),
+ BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_clock_nanosleep, 4, 0),
BPF_JUMP(BPF_JMP|BPF_JEQ|BPF_K, __NR_restart_syscall, 4, 0),
/* Allow __NR_write for easy logging. */
@@ -2895,7 +2896,8 @@ TEST(syscall_restart)
ASSERT_EQ(PTRACE_EVENT_SECCOMP, (status >> 16));
ASSERT_EQ(0, ptrace(PTRACE_GETEVENTMSG, child_pid, NULL, &msg));
ASSERT_EQ(0x100, msg);
- EXPECT_EQ(__NR_nanosleep, get_syscall(_metadata, child_pid));
+ ret = get_syscall(_metadata, child_pid);
+ EXPECT_TRUE(ret == __NR_nanosleep || ret == __NR_clock_nanosleep);
/* Might as well check siginfo for sanity while we're here. */
ASSERT_EQ(0, ptrace(PTRACE_GETSIGINFO, child_pid, NULL, &info));
diff --git a/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json
index f8ea6f5fa8e9..72cdc3c800a5 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/actions/pedit.json
@@ -1472,6 +1472,31 @@
]
},
{
+ "id": "94bb",
+ "name": "Add pedit action with LAYERED_OP ip6 traffic_class",
+ "category": [
+ "actions",
+ "pedit",
+ "layered_op"
+ ],
+ "setup": [
+ [
+ "$TC actions flush action pedit",
+ 0,
+ 1,
+ 255
+ ]
+ ],
+ "cmdUnderTest": "$TC actions add action pedit ex munge ip6 traffic_class set 0x40 continue",
+ "expExitCode": "0",
+ "verifyCmd": "$TC actions list action pedit",
+ "matchPattern": "ipv6\\+0: val 04000000 mask f00fffff",
+ "matchCount": "1",
+ "teardown": [
+ "$TC actions flush action pedit"
+ ]
+ },
+ {
"id": "6f5e",
"name": "Add pedit action with LAYERED_OP ip6 flow_lbl",
"category": [
diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
index 8877f7b2b809..bb543bf69d69 100644
--- a/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
+++ b/tools/testing/selftests/tc-testing/tc-tests/filters/tests.json
@@ -32,7 +32,7 @@
"setup": [
"$TC qdisc add dev $DEV2 ingress"
],
- "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip pref 1 parent ffff: handle 0xffffffff flower action ok",
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip pref 1 ingress handle 0xffffffff flower action ok",
"expExitCode": "0",
"verifyCmd": "$TC filter show dev $DEV2 ingress",
"matchPattern": "filter protocol ip pref 1 flower.*handle 0xffffffff",
@@ -77,9 +77,9 @@
},
"setup": [
"$TC qdisc add dev $DEV2 ingress",
- "$TC filter add dev $DEV2 protocol ip prio 1 parent ffff: flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop"
+ "$TC filter add dev $DEV2 protocol ip prio 1 ingress flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop"
],
- "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip prio 1 parent ffff: flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop",
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip prio 1 ingress flower dst_mac e4:11:22:11:4a:51 src_mac e4:11:22:11:4a:50 ip_proto tcp src_ip 1.1.1.1 dst_ip 2.2.2.2 action drop",
"expExitCode": "2",
"verifyCmd": "$TC -s filter show dev $DEV2 ingress",
"matchPattern": "filter protocol ip pref 1 flower chain 0 handle",
@@ -87,5 +87,43 @@
"teardown": [
"$TC qdisc del dev $DEV2 ingress"
]
+ },
+ {
+ "id": "7c65",
+ "name": "Add flower filter and then terse dump it",
+ "category": [
+ "filter",
+ "flower"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV2 ingress"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip pref 1 ingress flower dst_mac e4:11:22:11:4a:51 action drop",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show terse dev $DEV2 ingress",
+ "matchPattern": "filter protocol ip pref 1 flower.*handle",
+ "matchCount": "1",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress"
+ ]
+ },
+ {
+ "id": "d45e",
+ "name": "Add flower filter and verify that terse dump doesn't output filter key",
+ "category": [
+ "filter",
+ "flower"
+ ],
+ "setup": [
+ "$TC qdisc add dev $DEV2 ingress"
+ ],
+ "cmdUnderTest": "$TC filter add dev $DEV2 protocol ip pref 1 ingress flower dst_mac e4:11:22:11:4a:51 action drop",
+ "expExitCode": "0",
+ "verifyCmd": "$TC filter show terse dev $DEV2 ingress",
+ "matchPattern": " dst_mac e4:11:22:11:4a:51",
+ "matchCount": "0",
+ "teardown": [
+ "$TC qdisc del dev $DEV2 ingress"
+ ]
}
]
diff --git a/tools/testing/selftests/tc-testing/tc-tests/qdiscs/fq_pie.json b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/fq_pie.json
new file mode 100644
index 000000000000..1cda2e11b3ad
--- /dev/null
+++ b/tools/testing/selftests/tc-testing/tc-tests/qdiscs/fq_pie.json
@@ -0,0 +1,21 @@
+[
+ {
+ "id": "83be",
+ "name": "Create FQ-PIE with invalid number of flows",
+ "category": [
+ "qdisc",
+ "fq_pie"
+ ],
+ "setup": [
+ "$IP link add dev $DUMMY type dummy || /bin/true"
+ ],
+ "cmdUnderTest": "$TC qdisc add dev $DUMMY root fq_pie flows 65536",
+ "expExitCode": "2",
+ "verifyCmd": "$TC qdisc show dev $DUMMY",
+ "matchPattern": "qdisc",
+ "matchCount": "0",
+ "teardown": [
+ "$IP link del dev $DUMMY"
+ ]
+ }
+]
diff --git a/tools/testing/selftests/tc-testing/tdc_batch.py b/tools/testing/selftests/tc-testing/tdc_batch.py
index 6a2bd2cf528e..995f66ce43eb 100755
--- a/tools/testing/selftests/tc-testing/tdc_batch.py
+++ b/tools/testing/selftests/tc-testing/tdc_batch.py
@@ -72,21 +72,21 @@ mac_prefix = args.mac_prefix
def format_add_filter(device, prio, handle, skip, src_mac, dst_mac,
share_action):
- return ("filter add dev {} {} protocol ip parent ffff: handle {} "
+ return ("filter add dev {} {} protocol ip ingress handle {} "
" flower {} src_mac {} dst_mac {} action drop {}".format(
device, prio, handle, skip, src_mac, dst_mac, share_action))
def format_rep_filter(device, prio, handle, skip, src_mac, dst_mac,
share_action):
- return ("filter replace dev {} {} protocol ip parent ffff: handle {} "
+ return ("filter replace dev {} {} protocol ip ingress handle {} "
" flower {} src_mac {} dst_mac {} action drop {}".format(
device, prio, handle, skip, src_mac, dst_mac, share_action))
def format_del_filter(device, prio, handle, skip, src_mac, dst_mac,
share_action):
- return ("filter del dev {} {} protocol ip parent ffff: handle {} "
+ return ("filter del dev {} {} protocol ip ingress handle {} "
"flower".format(device, prio, handle))
diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index b630c7b5950a..8155c2ea7ccb 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -1,17 +1,8 @@
#!/bin/bash
# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
-self.flags = flags
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-
-if [ -f /dev/tpm0 ] ; then
- python -m unittest -v tpm2_tests.SmokeTest
- python -m unittest -v tpm2_tests.AsyncTest
-else
- exit $ksft_skip
-fi
+python -m unittest -v tpm2_tests.SmokeTest
+python -m unittest -v tpm2_tests.AsyncTest
CLEAR_CMD=$(which tpm2_clear)
if [ -n $CLEAR_CMD ]; then
diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
index 180b469c53b4..a6f5e346635e 100755
--- a/tools/testing/selftests/tpm2/test_space.sh
+++ b/tools/testing/selftests/tpm2/test_space.sh
@@ -1,11 +1,4 @@
#!/bin/bash
# SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-if [ -f /dev/tpmrm0 ] ; then
- python -m unittest -v tpm2_tests.SpaceTest
-else
- exit $ksft_skip
-fi
+python -m unittest -v tpm2_tests.SpaceTest
diff --git a/tools/testing/selftests/vm/.gitignore b/tools/testing/selftests/vm/.gitignore
index 0edb6d900e8d..8df6a074e370 100644
--- a/tools/testing/selftests/vm/.gitignore
+++ b/tools/testing/selftests/vm/.gitignore
@@ -1,11 +1,13 @@
# SPDX-License-Identifier: GPL-2.0-only
hugepage-mmap
hugepage-shm
+khugepaged
map_hugetlb
map_populate
thuge-gen
compaction_test
mlock2-tests
+mremap_dontunmap
on-fault-limit
transhuge-stress
userfaultfd
@@ -16,3 +18,4 @@ gup_benchmark
va_128TBswitch
map_fixed_noreplace
write_to_hugetlbfs
+hmm-tests
diff --git a/tools/testing/selftests/vm/Makefile b/tools/testing/selftests/vm/Makefile
index d31db052dff6..9f18440080ef 100644
--- a/tools/testing/selftests/vm/Makefile
+++ b/tools/testing/selftests/vm/Makefile
@@ -1,12 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for vm selftests
uname_M := $(shell uname -m 2>/dev/null || echo not)
-ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/')
+MACHINE ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/')
CFLAGS = -Wall -I ../../../../usr/include $(EXTRA_CFLAGS)
LDLIBS = -lrt
TEST_GEN_FILES = compaction_test
TEST_GEN_FILES += gup_benchmark
+TEST_GEN_FILES += hmm-tests
TEST_GEN_FILES += hugepage-mmap
TEST_GEN_FILES += hugepage-shm
TEST_GEN_FILES += map_hugetlb
@@ -19,8 +20,9 @@ TEST_GEN_FILES += on-fault-limit
TEST_GEN_FILES += thuge-gen
TEST_GEN_FILES += transhuge-stress
TEST_GEN_FILES += userfaultfd
+TEST_GEN_FILES += khugepaged
-ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64))
+ifneq (,$(filter $(MACHINE),arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64))
TEST_GEN_FILES += va_128TBswitch
TEST_GEN_FILES += virtual_address_range
TEST_GEN_FILES += write_to_hugetlbfs
@@ -33,6 +35,8 @@ TEST_FILES := test_vmalloc.sh
KSFT_KHDR_INSTALL := 1
include ../lib.mk
+$(OUTPUT)/hmm-tests: LDLIBS += -lhugetlbfs -lpthread
+
$(OUTPUT)/userfaultfd: LDLIBS += -lpthread
$(OUTPUT)/mlock-random-test: LDLIBS += -lcap
diff --git a/tools/testing/selftests/vm/config b/tools/testing/selftests/vm/config
index 93b90a9b1eeb..3ba674b64fa9 100644
--- a/tools/testing/selftests/vm/config
+++ b/tools/testing/selftests/vm/config
@@ -1,3 +1,5 @@
CONFIG_SYSVIPC=y
CONFIG_USERFAULTFD=y
CONFIG_TEST_VMALLOC=m
+CONFIG_DEVICE_PRIVATE=y
+CONFIG_TEST_HMM=m
diff --git a/tools/testing/selftests/vm/hmm-tests.c b/tools/testing/selftests/vm/hmm-tests.c
new file mode 100644
index 000000000000..79db22604019
--- /dev/null
+++ b/tools/testing/selftests/vm/hmm-tests.c
@@ -0,0 +1,1359 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * HMM stands for Heterogeneous Memory Management, it is a helper layer inside
+ * the linux kernel to help device drivers mirror a process address space in
+ * the device. This allows the device to use the same address space which
+ * makes communication and data exchange a lot easier.
+ *
+ * This framework's sole purpose is to exercise various code paths inside
+ * the kernel to make sure that HMM performs as expected and to flush out any
+ * bugs.
+ */
+
+#include "../kselftest_harness.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <strings.h>
+#include <time.h>
+#include <pthread.h>
+#include <hugetlbfs.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+
+/*
+ * This is a private UAPI to the kernel test module so it isn't exported
+ * in the usual include/uapi/... directory.
+ */
+#include "../../../../lib/test_hmm_uapi.h"
+
+struct hmm_buffer {
+ void *ptr;
+ void *mirror;
+ unsigned long size;
+ int fd;
+ uint64_t cpages;
+ uint64_t faults;
+};
+
+#define TWOMEG (1 << 21)
+#define HMM_BUFFER_SIZE (1024 << 12)
+#define HMM_PATH_MAX 64
+#define NTIMES 256
+
+#define ALIGN(x, a) (((x) + (a - 1)) & (~((a) - 1)))
+
+FIXTURE(hmm)
+{
+ int fd;
+ unsigned int page_size;
+ unsigned int page_shift;
+};
+
+FIXTURE(hmm2)
+{
+ int fd0;
+ int fd1;
+ unsigned int page_size;
+ unsigned int page_shift;
+};
+
+static int hmm_open(int unit)
+{
+ char pathname[HMM_PATH_MAX];
+ int fd;
+
+ snprintf(pathname, sizeof(pathname), "/dev/hmm_dmirror%d", unit);
+ fd = open(pathname, O_RDWR, 0);
+ if (fd < 0)
+ fprintf(stderr, "could not open hmm dmirror driver (%s)\n",
+ pathname);
+ return fd;
+}
+
+FIXTURE_SETUP(hmm)
+{
+ self->page_size = sysconf(_SC_PAGE_SIZE);
+ self->page_shift = ffs(self->page_size) - 1;
+
+ self->fd = hmm_open(0);
+ ASSERT_GE(self->fd, 0);
+}
+
+FIXTURE_SETUP(hmm2)
+{
+ self->page_size = sysconf(_SC_PAGE_SIZE);
+ self->page_shift = ffs(self->page_size) - 1;
+
+ self->fd0 = hmm_open(0);
+ ASSERT_GE(self->fd0, 0);
+ self->fd1 = hmm_open(1);
+ ASSERT_GE(self->fd1, 0);
+}
+
+FIXTURE_TEARDOWN(hmm)
+{
+ int ret = close(self->fd);
+
+ ASSERT_EQ(ret, 0);
+ self->fd = -1;
+}
+
+FIXTURE_TEARDOWN(hmm2)
+{
+ int ret = close(self->fd0);
+
+ ASSERT_EQ(ret, 0);
+ self->fd0 = -1;
+
+ ret = close(self->fd1);
+ ASSERT_EQ(ret, 0);
+ self->fd1 = -1;
+}
+
+static int hmm_dmirror_cmd(int fd,
+ unsigned long request,
+ struct hmm_buffer *buffer,
+ unsigned long npages)
+{
+ struct hmm_dmirror_cmd cmd;
+ int ret;
+
+ /* Simulate a device reading system memory. */
+ cmd.addr = (__u64)buffer->ptr;
+ cmd.ptr = (__u64)buffer->mirror;
+ cmd.npages = npages;
+
+ for (;;) {
+ ret = ioctl(fd, request, &cmd);
+ if (ret == 0)
+ break;
+ if (errno == EINTR)
+ continue;
+ return -errno;
+ }
+ buffer->cpages = cmd.cpages;
+ buffer->faults = cmd.faults;
+
+ return 0;
+}
+
+static void hmm_buffer_free(struct hmm_buffer *buffer)
+{
+ if (buffer == NULL)
+ return;
+
+ if (buffer->ptr)
+ munmap(buffer->ptr, buffer->size);
+ free(buffer->mirror);
+ free(buffer);
+}
+
+/*
+ * Create a temporary file that will be deleted on close.
+ */
+static int hmm_create_file(unsigned long size)
+{
+ char path[HMM_PATH_MAX];
+ int fd;
+
+ strcpy(path, "/tmp");
+ fd = open(path, O_TMPFILE | O_EXCL | O_RDWR, 0600);
+ if (fd >= 0) {
+ int r;
+
+ do {
+ r = ftruncate(fd, size);
+ } while (r == -1 && errno == EINTR);
+ if (!r)
+ return fd;
+ close(fd);
+ }
+ return -1;
+}
+
+/*
+ * Return a random unsigned number.
+ */
+static unsigned int hmm_random(void)
+{
+ static int fd = -1;
+ unsigned int r;
+
+ if (fd < 0) {
+ fd = open("/dev/urandom", O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "%s:%d failed to open /dev/urandom\n",
+ __FILE__, __LINE__);
+ return ~0U;
+ }
+ }
+ read(fd, &r, sizeof(r));
+ return r;
+}
+
+static void hmm_nanosleep(unsigned int n)
+{
+ struct timespec t;
+
+ t.tv_sec = 0;
+ t.tv_nsec = n;
+ nanosleep(&t, NULL);
+}
+
+/*
+ * Simple NULL test of device open/close.
+ */
+TEST_F(hmm, open_close)
+{
+}
+
+/*
+ * Read private anonymous memory.
+ */
+TEST_F(hmm, anon_read)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+ int val;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /*
+ * Initialize buffer in system memory but leave the first two pages
+ * zero (pte_none and pfn_zero).
+ */
+ i = 2 * self->page_size / sizeof(*ptr);
+ for (ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Set buffer permission to read-only. */
+ ret = mprotect(buffer->ptr, size, PROT_READ);
+ ASSERT_EQ(ret, 0);
+
+ /* Populate the CPU page table with a special zero page. */
+ val = *(int *)(buffer->ptr + self->page_size);
+ ASSERT_EQ(val, 0);
+
+ /* Simulate a device reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ ptr = buffer->mirror;
+ for (i = 0; i < 2 * self->page_size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], 0);
+ for (; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Read private anonymous memory which has been protected with
+ * mprotect() PROT_NONE.
+ */
+TEST_F(hmm, anon_read_prot)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Initialize mirror buffer so we can verify it isn't written. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = -i;
+
+ /* Protect buffer from reading. */
+ ret = mprotect(buffer->ptr, size, PROT_NONE);
+ ASSERT_EQ(ret, 0);
+
+ /* Simulate a device reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer, npages);
+ ASSERT_EQ(ret, -EFAULT);
+
+ /* Allow CPU to read the buffer so we can check it. */
+ ret = mprotect(buffer->ptr, size, PROT_READ);
+ ASSERT_EQ(ret, 0);
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Write private anonymous memory.
+ */
+TEST_F(hmm, anon_write)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Write private anonymous memory which has been protected with
+ * mprotect() PROT_READ.
+ */
+TEST_F(hmm, anon_write_prot)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Simulate a device reading a zero page of memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer, 1);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, 1);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, -EPERM);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], 0);
+
+ /* Now allow writing and see that the zero page is replaced. */
+ ret = mprotect(buffer->ptr, size, PROT_WRITE | PROT_READ);
+ ASSERT_EQ(ret, 0);
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Check that a device writing an anonymous private mapping
+ * will copy-on-write if a child process inherits the mapping.
+ */
+TEST_F(hmm, anon_write_child)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ pid_t pid;
+ int child_fd;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer->ptr so we can tell if it is written. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = -i;
+
+ pid = fork();
+ if (pid == -1)
+ ASSERT_EQ(pid, 0);
+ if (pid != 0) {
+ waitpid(pid, &ret, 0);
+ ASSERT_EQ(WIFEXITED(ret), 1);
+
+ /* Check that the parent's buffer did not change. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+ return;
+ }
+
+ /* Check that we see the parent's values. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+
+ /* The child process needs its own mirror to its own mm. */
+ child_fd = hmm_open(0);
+ ASSERT_GE(child_fd, 0);
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(child_fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+
+ close(child_fd);
+ exit(0);
+}
+
+/*
+ * Check that a device writing an anonymous shared mapping
+ * will not copy-on-write if a child process inherits the mapping.
+ */
+TEST_F(hmm, anon_write_child_shared)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ pid_t pid;
+ int child_fd;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_SHARED | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer->ptr so we can tell if it is written. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = -i;
+
+ pid = fork();
+ if (pid == -1)
+ ASSERT_EQ(pid, 0);
+ if (pid != 0) {
+ waitpid(pid, &ret, 0);
+ ASSERT_EQ(WIFEXITED(ret), 1);
+
+ /* Check that the parent's buffer did change. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+ return;
+ }
+
+ /* Check that we see the parent's values. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+
+ /* The child process needs its own mirror to its own mm. */
+ child_fd = hmm_open(0);
+ ASSERT_GE(child_fd, 0);
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(child_fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], -i);
+
+ close(child_fd);
+ exit(0);
+}
+
+/*
+ * Write private anonymous huge page.
+ */
+TEST_F(hmm, anon_write_huge)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ void *old_ptr;
+ void *map;
+ int *ptr;
+ int ret;
+
+ size = 2 * TWOMEG;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ size = TWOMEG;
+ npages = size >> self->page_shift;
+ map = (void *)ALIGN((uintptr_t)buffer->ptr, size);
+ ret = madvise(map, size, MADV_HUGEPAGE);
+ ASSERT_EQ(ret, 0);
+ old_ptr = buffer->ptr;
+ buffer->ptr = map;
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ buffer->ptr = old_ptr;
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Write huge TLBFS page.
+ */
+TEST_F(hmm, anon_write_hugetlbfs)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+ long pagesizes[4];
+ int n, idx;
+
+ /* Skip test if we can't allocate a hugetlbfs page. */
+
+ n = gethugepagesizes(pagesizes, 4);
+ if (n <= 0)
+ return;
+ for (idx = 0; --n > 0; ) {
+ if (pagesizes[n] < pagesizes[idx])
+ idx = n;
+ }
+ size = ALIGN(TWOMEG, pagesizes[idx]);
+ npages = size >> self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->ptr = get_hugepage_region(size, GHR_STRICT);
+ if (buffer->ptr == NULL) {
+ free(buffer);
+ return;
+ }
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ free_hugepage_region(buffer->ptr);
+ buffer->ptr = NULL;
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Read mmap'ed file memory.
+ */
+TEST_F(hmm, file_read)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+ int fd;
+ ssize_t len;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ fd = hmm_create_file(size);
+ ASSERT_GE(fd, 0);
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = fd;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ /* Write initial contents of the file. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+ len = pwrite(fd, buffer->mirror, size, 0);
+ ASSERT_EQ(len, size);
+ memset(buffer->mirror, 0, size);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ,
+ MAP_SHARED,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Simulate a device reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Write mmap'ed file memory.
+ */
+TEST_F(hmm, file_write)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+ int fd;
+ ssize_t len;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ fd = hmm_create_file(size);
+ ASSERT_GE(fd, 0);
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = fd;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_SHARED,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize data that the device will write to buffer->ptr. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Simulate a device writing system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_WRITE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device wrote. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Check that the device also wrote the file. */
+ len = pread(fd, buffer->mirror, size, 0);
+ ASSERT_EQ(len, size);
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Migrate anonymous memory to device private memory.
+ */
+TEST_F(hmm, migrate)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Migrate memory to device. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_MIGRATE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Migrate anonymous memory to device private memory and fault it back to system
+ * memory.
+ */
+TEST_F(hmm, migrate_fault)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Migrate memory to device. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_MIGRATE, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Fault pages back to system memory and check them. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Try to migrate various memory types to device private memory.
+ */
+TEST_F(hmm2, migrate_mixed)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ int *ptr;
+ unsigned char *p;
+ int ret;
+ int val;
+
+ npages = 6;
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ /* Reserve a range of addresses. */
+ buffer->ptr = mmap(NULL, size,
+ PROT_NONE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+ p = buffer->ptr;
+
+ /* Migrating a protected area should be an error. */
+ ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_MIGRATE, buffer, npages);
+ ASSERT_EQ(ret, -EINVAL);
+
+ /* Punch a hole after the first page address. */
+ ret = munmap(buffer->ptr + self->page_size, self->page_size);
+ ASSERT_EQ(ret, 0);
+
+ /* We expect an error if the vma doesn't cover the range. */
+ ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_MIGRATE, buffer, 3);
+ ASSERT_EQ(ret, -EINVAL);
+
+ /* Page 2 will be a read-only zero page. */
+ ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size,
+ PROT_READ);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 2 * self->page_size);
+ val = *ptr + 3;
+ ASSERT_EQ(val, 3);
+
+ /* Page 3 will be read-only. */
+ ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size,
+ PROT_READ | PROT_WRITE);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 3 * self->page_size);
+ *ptr = val;
+ ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size,
+ PROT_READ);
+ ASSERT_EQ(ret, 0);
+
+ /* Page 4-5 will be read-write. */
+ ret = mprotect(buffer->ptr + 4 * self->page_size, 2 * self->page_size,
+ PROT_READ | PROT_WRITE);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 4 * self->page_size);
+ *ptr = val;
+ ptr = (int *)(buffer->ptr + 5 * self->page_size);
+ *ptr = val;
+
+ /* Now try to migrate pages 2-5 to device 1. */
+ buffer->ptr = p + 2 * self->page_size;
+ ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_MIGRATE, buffer, 4);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, 4);
+
+ /* Page 5 won't be migrated to device 0 because it's on device 1. */
+ buffer->ptr = p + 5 * self->page_size;
+ ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_MIGRATE, buffer, 1);
+ ASSERT_EQ(ret, -ENOENT);
+ buffer->ptr = p;
+
+ buffer->ptr = p;
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Migrate anonymous memory to device private memory and fault it back to system
+ * memory multiple times.
+ */
+TEST_F(hmm, migrate_multiple)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ unsigned long c;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ for (c = 0; c < NTIMES; c++) {
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Migrate memory to device. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_MIGRATE, buffer,
+ npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Fault pages back to system memory and check them. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ hmm_buffer_free(buffer);
+ }
+}
+
+/*
+ * Read anonymous memory multiple times.
+ */
+TEST_F(hmm, anon_read_multiple)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ unsigned long c;
+ int *ptr;
+ int ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ for (c = 0; c < NTIMES; c++) {
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i + c;
+
+ /* Simulate a device reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer,
+ npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i + c);
+
+ hmm_buffer_free(buffer);
+ }
+}
+
+void *unmap_buffer(void *p)
+{
+ struct hmm_buffer *buffer = p;
+
+ /* Delay for a bit and then unmap buffer while it is being read. */
+ hmm_nanosleep(hmm_random() % 32000);
+ munmap(buffer->ptr + buffer->size / 2, buffer->size / 2);
+ buffer->ptr = NULL;
+
+ return NULL;
+}
+
+/*
+ * Try reading anonymous memory while it is being unmapped.
+ */
+TEST_F(hmm, anon_teardown)
+{
+ unsigned long npages;
+ unsigned long size;
+ unsigned long c;
+ void *ret;
+
+ npages = ALIGN(HMM_BUFFER_SIZE, self->page_size) >> self->page_shift;
+ ASSERT_NE(npages, 0);
+ size = npages << self->page_shift;
+
+ for (c = 0; c < NTIMES; ++c) {
+ pthread_t thread;
+ struct hmm_buffer *buffer;
+ unsigned long i;
+ int *ptr;
+ int rc;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(size);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i + c;
+
+ rc = pthread_create(&thread, NULL, unmap_buffer, buffer);
+ ASSERT_EQ(rc, 0);
+
+ /* Simulate a device reading system memory. */
+ rc = hmm_dmirror_cmd(self->fd, HMM_DMIRROR_READ, buffer,
+ npages);
+ if (rc == 0) {
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror;
+ i < size / sizeof(*ptr);
+ ++i)
+ ASSERT_EQ(ptr[i], i + c);
+ }
+
+ pthread_join(thread, &ret);
+ hmm_buffer_free(buffer);
+ }
+}
+
+/*
+ * Test memory snapshot without faulting in pages accessed by the device.
+ */
+TEST_F(hmm2, snapshot)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ int *ptr;
+ unsigned char *p;
+ unsigned char *m;
+ int ret;
+ int val;
+
+ npages = 7;
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(npages);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ /* Reserve a range of addresses. */
+ buffer->ptr = mmap(NULL, size,
+ PROT_NONE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+ p = buffer->ptr;
+
+ /* Punch a hole after the first page address. */
+ ret = munmap(buffer->ptr + self->page_size, self->page_size);
+ ASSERT_EQ(ret, 0);
+
+ /* Page 2 will be read-only zero page. */
+ ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size,
+ PROT_READ);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 2 * self->page_size);
+ val = *ptr + 3;
+ ASSERT_EQ(val, 3);
+
+ /* Page 3 will be read-only. */
+ ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size,
+ PROT_READ | PROT_WRITE);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 3 * self->page_size);
+ *ptr = val;
+ ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size,
+ PROT_READ);
+ ASSERT_EQ(ret, 0);
+
+ /* Page 4-6 will be read-write. */
+ ret = mprotect(buffer->ptr + 4 * self->page_size, 3 * self->page_size,
+ PROT_READ | PROT_WRITE);
+ ASSERT_EQ(ret, 0);
+ ptr = (int *)(buffer->ptr + 4 * self->page_size);
+ *ptr = val;
+
+ /* Page 5 will be migrated to device 0. */
+ buffer->ptr = p + 5 * self->page_size;
+ ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_MIGRATE, buffer, 1);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, 1);
+
+ /* Page 6 will be migrated to device 1. */
+ buffer->ptr = p + 6 * self->page_size;
+ ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_MIGRATE, buffer, 1);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, 1);
+
+ /* Simulate a device snapshotting CPU pagetables. */
+ buffer->ptr = p;
+ ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_SNAPSHOT, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+
+ /* Check what the device saw. */
+ m = buffer->mirror;
+ ASSERT_EQ(m[0], HMM_DMIRROR_PROT_ERROR);
+ ASSERT_EQ(m[1], HMM_DMIRROR_PROT_ERROR);
+ ASSERT_EQ(m[2], HMM_DMIRROR_PROT_ZERO | HMM_DMIRROR_PROT_READ);
+ ASSERT_EQ(m[3], HMM_DMIRROR_PROT_READ);
+ ASSERT_EQ(m[4], HMM_DMIRROR_PROT_WRITE);
+ ASSERT_EQ(m[5], HMM_DMIRROR_PROT_DEV_PRIVATE_LOCAL |
+ HMM_DMIRROR_PROT_WRITE);
+ ASSERT_EQ(m[6], HMM_DMIRROR_PROT_NONE);
+
+ hmm_buffer_free(buffer);
+}
+
+/*
+ * Test two devices reading the same memory (double mapped).
+ */
+TEST_F(hmm2, double_map)
+{
+ struct hmm_buffer *buffer;
+ unsigned long npages;
+ unsigned long size;
+ unsigned long i;
+ int *ptr;
+ int ret;
+
+ npages = 6;
+ size = npages << self->page_shift;
+
+ buffer = malloc(sizeof(*buffer));
+ ASSERT_NE(buffer, NULL);
+
+ buffer->fd = -1;
+ buffer->size = size;
+ buffer->mirror = malloc(npages);
+ ASSERT_NE(buffer->mirror, NULL);
+
+ /* Reserve a range of addresses. */
+ buffer->ptr = mmap(NULL, size,
+ PROT_READ | PROT_WRITE,
+ MAP_PRIVATE | MAP_ANONYMOUS,
+ buffer->fd, 0);
+ ASSERT_NE(buffer->ptr, MAP_FAILED);
+
+ /* Initialize buffer in system memory. */
+ for (i = 0, ptr = buffer->ptr; i < size / sizeof(*ptr); ++i)
+ ptr[i] = i;
+
+ /* Make region read-only. */
+ ret = mprotect(buffer->ptr, size, PROT_READ);
+ ASSERT_EQ(ret, 0);
+
+ /* Simulate device 0 reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd0, HMM_DMIRROR_READ, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Simulate device 1 reading system memory. */
+ ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_READ, buffer, npages);
+ ASSERT_EQ(ret, 0);
+ ASSERT_EQ(buffer->cpages, npages);
+ ASSERT_EQ(buffer->faults, 1);
+
+ /* Check what the device read. */
+ for (i = 0, ptr = buffer->mirror; i < size / sizeof(*ptr); ++i)
+ ASSERT_EQ(ptr[i], i);
+
+ /* Punch a hole after the first page address. */
+ ret = munmap(buffer->ptr + self->page_size, self->page_size);
+ ASSERT_EQ(ret, 0);
+
+ hmm_buffer_free(buffer);
+}
+
+TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/vm/khugepaged.c b/tools/testing/selftests/vm/khugepaged.c
new file mode 100644
index 000000000000..51b89cedd09d
--- /dev/null
+++ b/tools/testing/selftests/vm/khugepaged.c
@@ -0,0 +1,1035 @@
+#define _GNU_SOURCE
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/mman.h>
+#include <sys/wait.h>
+
+#ifndef MADV_PAGEOUT
+#define MADV_PAGEOUT 21
+#endif
+
+#define BASE_ADDR ((void *)(1UL << 30))
+static unsigned long hpage_pmd_size;
+static unsigned long page_size;
+static int hpage_pmd_nr;
+
+#define THP_SYSFS "/sys/kernel/mm/transparent_hugepage/"
+#define PID_SMAPS "/proc/self/smaps"
+
+enum thp_enabled {
+ THP_ALWAYS,
+ THP_MADVISE,
+ THP_NEVER,
+};
+
+static const char *thp_enabled_strings[] = {
+ "always",
+ "madvise",
+ "never",
+ NULL
+};
+
+enum thp_defrag {
+ THP_DEFRAG_ALWAYS,
+ THP_DEFRAG_DEFER,
+ THP_DEFRAG_DEFER_MADVISE,
+ THP_DEFRAG_MADVISE,
+ THP_DEFRAG_NEVER,
+};
+
+static const char *thp_defrag_strings[] = {
+ "always",
+ "defer",
+ "defer+madvise",
+ "madvise",
+ "never",
+ NULL
+};
+
+enum shmem_enabled {
+ SHMEM_ALWAYS,
+ SHMEM_WITHIN_SIZE,
+ SHMEM_ADVISE,
+ SHMEM_NEVER,
+ SHMEM_DENY,
+ SHMEM_FORCE,
+};
+
+static const char *shmem_enabled_strings[] = {
+ "always",
+ "within_size",
+ "advise",
+ "never",
+ "deny",
+ "force",
+ NULL
+};
+
+struct khugepaged_settings {
+ bool defrag;
+ unsigned int alloc_sleep_millisecs;
+ unsigned int scan_sleep_millisecs;
+ unsigned int max_ptes_none;
+ unsigned int max_ptes_swap;
+ unsigned int max_ptes_shared;
+ unsigned long pages_to_scan;
+};
+
+struct settings {
+ enum thp_enabled thp_enabled;
+ enum thp_defrag thp_defrag;
+ enum shmem_enabled shmem_enabled;
+ bool debug_cow;
+ bool use_zero_page;
+ struct khugepaged_settings khugepaged;
+};
+
+static struct settings default_settings = {
+ .thp_enabled = THP_MADVISE,
+ .thp_defrag = THP_DEFRAG_ALWAYS,
+ .shmem_enabled = SHMEM_NEVER,
+ .debug_cow = 0,
+ .use_zero_page = 0,
+ .khugepaged = {
+ .defrag = 1,
+ .alloc_sleep_millisecs = 10,
+ .scan_sleep_millisecs = 10,
+ },
+};
+
+static struct settings saved_settings;
+static bool skip_settings_restore;
+
+static int exit_status;
+
+static void success(const char *msg)
+{
+ printf(" \e[32m%s\e[0m\n", msg);
+}
+
+static void fail(const char *msg)
+{
+ printf(" \e[31m%s\e[0m\n", msg);
+ exit_status++;
+}
+
+static int read_file(const char *path, char *buf, size_t buflen)
+{
+ int fd;
+ ssize_t numread;
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1)
+ return 0;
+
+ numread = read(fd, buf, buflen - 1);
+ if (numread < 1) {
+ close(fd);
+ return 0;
+ }
+
+ buf[numread] = '\0';
+ close(fd);
+
+ return (unsigned int) numread;
+}
+
+static int write_file(const char *path, const char *buf, size_t buflen)
+{
+ int fd;
+ ssize_t numwritten;
+
+ fd = open(path, O_WRONLY);
+ if (fd == -1)
+ return 0;
+
+ numwritten = write(fd, buf, buflen - 1);
+ close(fd);
+ if (numwritten < 1)
+ return 0;
+
+ return (unsigned int) numwritten;
+}
+
+static int read_string(const char *name, const char *strings[])
+{
+ char path[PATH_MAX];
+ char buf[256];
+ char *c;
+ int ret;
+
+ ret = snprintf(path, PATH_MAX, THP_SYSFS "%s", name);
+ if (ret >= PATH_MAX) {
+ printf("%s: Pathname is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+ if (!read_file(path, buf, sizeof(buf))) {
+ perror(path);
+ exit(EXIT_FAILURE);
+ }
+
+ c = strchr(buf, '[');
+ if (!c) {
+ printf("%s: Parse failure\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+ c++;
+ memmove(buf, c, sizeof(buf) - (c - buf));
+
+ c = strchr(buf, ']');
+ if (!c) {
+ printf("%s: Parse failure\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+ *c = '\0';
+
+ ret = 0;
+ while (strings[ret]) {
+ if (!strcmp(strings[ret], buf))
+ return ret;
+ ret++;
+ }
+
+ printf("Failed to parse %s\n", name);
+ exit(EXIT_FAILURE);
+}
+
+static void write_string(const char *name, const char *val)
+{
+ char path[PATH_MAX];
+ int ret;
+
+ ret = snprintf(path, PATH_MAX, THP_SYSFS "%s", name);
+ if (ret >= PATH_MAX) {
+ printf("%s: Pathname is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+ if (!write_file(path, val, strlen(val) + 1)) {
+ perror(path);
+ exit(EXIT_FAILURE);
+ }
+}
+
+static const unsigned long read_num(const char *name)
+{
+ char path[PATH_MAX];
+ char buf[21];
+ int ret;
+
+ ret = snprintf(path, PATH_MAX, THP_SYSFS "%s", name);
+ if (ret >= PATH_MAX) {
+ printf("%s: Pathname is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+ ret = read_file(path, buf, sizeof(buf));
+ if (ret < 0) {
+ perror("read_file(read_num)");
+ exit(EXIT_FAILURE);
+ }
+
+ return strtoul(buf, NULL, 10);
+}
+
+static void write_num(const char *name, unsigned long num)
+{
+ char path[PATH_MAX];
+ char buf[21];
+ int ret;
+
+ ret = snprintf(path, PATH_MAX, THP_SYSFS "%s", name);
+ if (ret >= PATH_MAX) {
+ printf("%s: Pathname is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+ sprintf(buf, "%ld", num);
+ if (!write_file(path, buf, strlen(buf) + 1)) {
+ perror(path);
+ exit(EXIT_FAILURE);
+ }
+}
+
+static void write_settings(struct settings *settings)
+{
+ struct khugepaged_settings *khugepaged = &settings->khugepaged;
+
+ write_string("enabled", thp_enabled_strings[settings->thp_enabled]);
+ write_string("defrag", thp_defrag_strings[settings->thp_defrag]);
+ write_string("shmem_enabled",
+ shmem_enabled_strings[settings->shmem_enabled]);
+ write_num("debug_cow", settings->debug_cow);
+ write_num("use_zero_page", settings->use_zero_page);
+
+ write_num("khugepaged/defrag", khugepaged->defrag);
+ write_num("khugepaged/alloc_sleep_millisecs",
+ khugepaged->alloc_sleep_millisecs);
+ write_num("khugepaged/scan_sleep_millisecs",
+ khugepaged->scan_sleep_millisecs);
+ write_num("khugepaged/max_ptes_none", khugepaged->max_ptes_none);
+ write_num("khugepaged/max_ptes_swap", khugepaged->max_ptes_swap);
+ write_num("khugepaged/max_ptes_shared", khugepaged->max_ptes_shared);
+ write_num("khugepaged/pages_to_scan", khugepaged->pages_to_scan);
+}
+
+static void restore_settings(int sig)
+{
+ if (skip_settings_restore)
+ goto out;
+
+ printf("Restore THP and khugepaged settings...");
+ write_settings(&saved_settings);
+ success("OK");
+ if (sig)
+ exit(EXIT_FAILURE);
+out:
+ exit(exit_status);
+}
+
+static void save_settings(void)
+{
+ printf("Save THP and khugepaged settings...");
+ saved_settings = (struct settings) {
+ .thp_enabled = read_string("enabled", thp_enabled_strings),
+ .thp_defrag = read_string("defrag", thp_defrag_strings),
+ .shmem_enabled =
+ read_string("shmem_enabled", shmem_enabled_strings),
+ .debug_cow = read_num("debug_cow"),
+ .use_zero_page = read_num("use_zero_page"),
+ };
+ saved_settings.khugepaged = (struct khugepaged_settings) {
+ .defrag = read_num("khugepaged/defrag"),
+ .alloc_sleep_millisecs =
+ read_num("khugepaged/alloc_sleep_millisecs"),
+ .scan_sleep_millisecs =
+ read_num("khugepaged/scan_sleep_millisecs"),
+ .max_ptes_none = read_num("khugepaged/max_ptes_none"),
+ .max_ptes_swap = read_num("khugepaged/max_ptes_swap"),
+ .max_ptes_shared = read_num("khugepaged/max_ptes_shared"),
+ .pages_to_scan = read_num("khugepaged/pages_to_scan"),
+ };
+ success("OK");
+
+ signal(SIGTERM, restore_settings);
+ signal(SIGINT, restore_settings);
+ signal(SIGHUP, restore_settings);
+ signal(SIGQUIT, restore_settings);
+}
+
+static void adjust_settings(void)
+{
+
+ printf("Adjust settings...");
+ write_settings(&default_settings);
+ success("OK");
+}
+
+#define MAX_LINE_LENGTH 500
+
+static bool check_for_pattern(FILE *fp, char *pattern, char *buf)
+{
+ while (fgets(buf, MAX_LINE_LENGTH, fp) != NULL) {
+ if (!strncmp(buf, pattern, strlen(pattern)))
+ return true;
+ }
+ return false;
+}
+
+static bool check_huge(void *addr)
+{
+ bool thp = false;
+ int ret;
+ FILE *fp;
+ char buffer[MAX_LINE_LENGTH];
+ char addr_pattern[MAX_LINE_LENGTH];
+
+ ret = snprintf(addr_pattern, MAX_LINE_LENGTH, "%08lx-",
+ (unsigned long) addr);
+ if (ret >= MAX_LINE_LENGTH) {
+ printf("%s: Pattern is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+
+ fp = fopen(PID_SMAPS, "r");
+ if (!fp) {
+ printf("%s: Failed to open file %s\n", __func__, PID_SMAPS);
+ exit(EXIT_FAILURE);
+ }
+ if (!check_for_pattern(fp, addr_pattern, buffer))
+ goto err_out;
+
+ ret = snprintf(addr_pattern, MAX_LINE_LENGTH, "AnonHugePages:%10ld kB",
+ hpage_pmd_size >> 10);
+ if (ret >= MAX_LINE_LENGTH) {
+ printf("%s: Pattern is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+ /*
+ * Fetch the AnonHugePages: in the same block and check whether it got
+ * the expected number of hugeepages next.
+ */
+ if (!check_for_pattern(fp, "AnonHugePages:", buffer))
+ goto err_out;
+
+ if (strncmp(buffer, addr_pattern, strlen(addr_pattern)))
+ goto err_out;
+
+ thp = true;
+err_out:
+ fclose(fp);
+ return thp;
+}
+
+
+static bool check_swap(void *addr, unsigned long size)
+{
+ bool swap = false;
+ int ret;
+ FILE *fp;
+ char buffer[MAX_LINE_LENGTH];
+ char addr_pattern[MAX_LINE_LENGTH];
+
+ ret = snprintf(addr_pattern, MAX_LINE_LENGTH, "%08lx-",
+ (unsigned long) addr);
+ if (ret >= MAX_LINE_LENGTH) {
+ printf("%s: Pattern is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+
+
+ fp = fopen(PID_SMAPS, "r");
+ if (!fp) {
+ printf("%s: Failed to open file %s\n", __func__, PID_SMAPS);
+ exit(EXIT_FAILURE);
+ }
+ if (!check_for_pattern(fp, addr_pattern, buffer))
+ goto err_out;
+
+ ret = snprintf(addr_pattern, MAX_LINE_LENGTH, "Swap:%19ld kB",
+ size >> 10);
+ if (ret >= MAX_LINE_LENGTH) {
+ printf("%s: Pattern is too long\n", __func__);
+ exit(EXIT_FAILURE);
+ }
+ /*
+ * Fetch the Swap: in the same block and check whether it got
+ * the expected number of hugeepages next.
+ */
+ if (!check_for_pattern(fp, "Swap:", buffer))
+ goto err_out;
+
+ if (strncmp(buffer, addr_pattern, strlen(addr_pattern)))
+ goto err_out;
+
+ swap = true;
+err_out:
+ fclose(fp);
+ return swap;
+}
+
+static void *alloc_mapping(void)
+{
+ void *p;
+
+ p = mmap(BASE_ADDR, hpage_pmd_size, PROT_READ | PROT_WRITE,
+ MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
+ if (p != BASE_ADDR) {
+ printf("Failed to allocate VMA at %p\n", BASE_ADDR);
+ exit(EXIT_FAILURE);
+ }
+
+ return p;
+}
+
+static void fill_memory(int *p, unsigned long start, unsigned long end)
+{
+ int i;
+
+ for (i = start / page_size; i < end / page_size; i++)
+ p[i * page_size / sizeof(*p)] = i + 0xdead0000;
+}
+
+static void validate_memory(int *p, unsigned long start, unsigned long end)
+{
+ int i;
+
+ for (i = start / page_size; i < end / page_size; i++) {
+ if (p[i * page_size / sizeof(*p)] != i + 0xdead0000) {
+ printf("Page %d is corrupted: %#x\n",
+ i, p[i * page_size / sizeof(*p)]);
+ exit(EXIT_FAILURE);
+ }
+ }
+}
+
+#define TICK 500000
+static bool wait_for_scan(const char *msg, char *p)
+{
+ int full_scans;
+ int timeout = 6; /* 3 seconds */
+
+ /* Sanity check */
+ if (check_huge(p)) {
+ printf("Unexpected huge page\n");
+ exit(EXIT_FAILURE);
+ }
+
+ madvise(p, hpage_pmd_size, MADV_HUGEPAGE);
+
+ /* Wait until the second full_scan completed */
+ full_scans = read_num("khugepaged/full_scans") + 2;
+
+ printf("%s...", msg);
+ while (timeout--) {
+ if (check_huge(p))
+ break;
+ if (read_num("khugepaged/full_scans") >= full_scans)
+ break;
+ printf(".");
+ usleep(TICK);
+ }
+
+ madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE);
+
+ return !timeout;
+}
+
+static void alloc_at_fault(void)
+{
+ struct settings settings = default_settings;
+ char *p;
+
+ settings.thp_enabled = THP_ALWAYS;
+ write_settings(&settings);
+
+ p = alloc_mapping();
+ *p = 1;
+ printf("Allocate huge page on fault...");
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ write_settings(&default_settings);
+
+ madvise(p, page_size, MADV_DONTNEED);
+ printf("Split huge PMD on MADV_DONTNEED...");
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_full(void)
+{
+ void *p;
+
+ p = alloc_mapping();
+ fill_memory(p, 0, hpage_pmd_size);
+ if (wait_for_scan("Collapse fully populated PTE table", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_empty(void)
+{
+ void *p;
+
+ p = alloc_mapping();
+ if (wait_for_scan("Do not collapse empty PTE table", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ fail("Fail");
+ else
+ success("OK");
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_single_pte_entry(void)
+{
+ void *p;
+
+ p = alloc_mapping();
+ fill_memory(p, 0, page_size);
+ if (wait_for_scan("Collapse PTE table with single PTE entry present", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, page_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_max_ptes_none(void)
+{
+ int max_ptes_none = hpage_pmd_nr / 2;
+ struct settings settings = default_settings;
+ void *p;
+
+ settings.khugepaged.max_ptes_none = max_ptes_none;
+ write_settings(&settings);
+
+ p = alloc_mapping();
+
+ fill_memory(p, 0, (hpage_pmd_nr - max_ptes_none - 1) * page_size);
+ if (wait_for_scan("Do not collapse with max_ptes_none exceeded", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ fail("Fail");
+ else
+ success("OK");
+ validate_memory(p, 0, (hpage_pmd_nr - max_ptes_none - 1) * page_size);
+
+ fill_memory(p, 0, (hpage_pmd_nr - max_ptes_none) * page_size);
+ if (wait_for_scan("Collapse with max_ptes_none PTEs empty", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, (hpage_pmd_nr - max_ptes_none) * page_size);
+
+ munmap(p, hpage_pmd_size);
+ write_settings(&default_settings);
+}
+
+static void collapse_swapin_single_pte(void)
+{
+ void *p;
+ p = alloc_mapping();
+ fill_memory(p, 0, hpage_pmd_size);
+
+ printf("Swapout one page...");
+ if (madvise(p, page_size, MADV_PAGEOUT)) {
+ perror("madvise(MADV_PAGEOUT)");
+ exit(EXIT_FAILURE);
+ }
+ if (check_swap(p, page_size)) {
+ success("OK");
+ } else {
+ fail("Fail");
+ goto out;
+ }
+
+ if (wait_for_scan("Collapse with swapping in single PTE entry", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+out:
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_max_ptes_swap(void)
+{
+ int max_ptes_swap = read_num("khugepaged/max_ptes_swap");
+ void *p;
+
+ p = alloc_mapping();
+
+ fill_memory(p, 0, hpage_pmd_size);
+ printf("Swapout %d of %d pages...", max_ptes_swap + 1, hpage_pmd_nr);
+ if (madvise(p, (max_ptes_swap + 1) * page_size, MADV_PAGEOUT)) {
+ perror("madvise(MADV_PAGEOUT)");
+ exit(EXIT_FAILURE);
+ }
+ if (check_swap(p, (max_ptes_swap + 1) * page_size)) {
+ success("OK");
+ } else {
+ fail("Fail");
+ goto out;
+ }
+
+ if (wait_for_scan("Do not collapse with max_ptes_swap exceeded", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ fail("Fail");
+ else
+ success("OK");
+ validate_memory(p, 0, hpage_pmd_size);
+
+ fill_memory(p, 0, hpage_pmd_size);
+ printf("Swapout %d of %d pages...", max_ptes_swap, hpage_pmd_nr);
+ if (madvise(p, max_ptes_swap * page_size, MADV_PAGEOUT)) {
+ perror("madvise(MADV_PAGEOUT)");
+ exit(EXIT_FAILURE);
+ }
+ if (check_swap(p, max_ptes_swap * page_size)) {
+ success("OK");
+ } else {
+ fail("Fail");
+ goto out;
+ }
+
+ if (wait_for_scan("Collapse with max_ptes_swap pages swapped out", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+out:
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_single_pte_entry_compound(void)
+{
+ void *p;
+
+ p = alloc_mapping();
+
+ printf("Allocate huge page...");
+ madvise(p, hpage_pmd_size, MADV_HUGEPAGE);
+ fill_memory(p, 0, hpage_pmd_size);
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE);
+
+ printf("Split huge page leaving single PTE mapping compound page...");
+ madvise(p + page_size, hpage_pmd_size - page_size, MADV_DONTNEED);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ if (wait_for_scan("Collapse PTE table with single PTE mapping compound page", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, page_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_full_of_compound(void)
+{
+ void *p;
+
+ p = alloc_mapping();
+
+ printf("Allocate huge page...");
+ madvise(p, hpage_pmd_size, MADV_HUGEPAGE);
+ fill_memory(p, 0, hpage_pmd_size);
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Split huge page leaving single PTE page table full of compound pages...");
+ madvise(p, page_size, MADV_NOHUGEPAGE);
+ madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ if (wait_for_scan("Collapse PTE table full of compound pages", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_compound_extreme(void)
+{
+ void *p;
+ int i;
+
+ p = alloc_mapping();
+ for (i = 0; i < hpage_pmd_nr; i++) {
+ printf("\rConstruct PTE page table full of different PTE-mapped compound pages %3d/%d...",
+ i + 1, hpage_pmd_nr);
+
+ madvise(BASE_ADDR, hpage_pmd_size, MADV_HUGEPAGE);
+ fill_memory(BASE_ADDR, 0, hpage_pmd_size);
+ if (!check_huge(BASE_ADDR)) {
+ printf("Failed to allocate huge page\n");
+ exit(EXIT_FAILURE);
+ }
+ madvise(BASE_ADDR, hpage_pmd_size, MADV_NOHUGEPAGE);
+
+ p = mremap(BASE_ADDR - i * page_size,
+ i * page_size + hpage_pmd_size,
+ (i + 1) * page_size,
+ MREMAP_MAYMOVE | MREMAP_FIXED,
+ BASE_ADDR + 2 * hpage_pmd_size);
+ if (p == MAP_FAILED) {
+ perror("mremap+unmap");
+ exit(EXIT_FAILURE);
+ }
+
+ p = mremap(BASE_ADDR + 2 * hpage_pmd_size,
+ (i + 1) * page_size,
+ (i + 1) * page_size + hpage_pmd_size,
+ MREMAP_MAYMOVE | MREMAP_FIXED,
+ BASE_ADDR - (i + 1) * page_size);
+ if (p == MAP_FAILED) {
+ perror("mremap+alloc");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ munmap(BASE_ADDR, hpage_pmd_size);
+ fill_memory(p, 0, hpage_pmd_size);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ if (wait_for_scan("Collapse PTE table full of different compound pages", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_fork(void)
+{
+ int wstatus;
+ void *p;
+
+ p = alloc_mapping();
+
+ printf("Allocate small page...");
+ fill_memory(p, 0, page_size);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Share small page over fork()...");
+ if (!fork()) {
+ /* Do not touch settings on child exit */
+ skip_settings_restore = true;
+ exit_status = 0;
+
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ fill_memory(p, page_size, 2 * page_size);
+
+ if (wait_for_scan("Collapse PTE table with single page shared with parent process", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ validate_memory(p, 0, page_size);
+ munmap(p, hpage_pmd_size);
+ exit(exit_status);
+ }
+
+ wait(&wstatus);
+ exit_status += WEXITSTATUS(wstatus);
+
+ printf("Check if parent still has small page...");
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, page_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_fork_compound(void)
+{
+ int wstatus;
+ void *p;
+
+ p = alloc_mapping();
+
+ printf("Allocate huge page...");
+ madvise(p, hpage_pmd_size, MADV_HUGEPAGE);
+ fill_memory(p, 0, hpage_pmd_size);
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Share huge page over fork()...");
+ if (!fork()) {
+ /* Do not touch settings on child exit */
+ skip_settings_restore = true;
+ exit_status = 0;
+
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Split huge page PMD in child process...");
+ madvise(p, page_size, MADV_NOHUGEPAGE);
+ madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ fill_memory(p, 0, page_size);
+
+ write_num("khugepaged/max_ptes_shared", hpage_pmd_nr - 1);
+ if (wait_for_scan("Collapse PTE table full of compound pages in child", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ write_num("khugepaged/max_ptes_shared",
+ default_settings.khugepaged.max_ptes_shared);
+
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+ exit(exit_status);
+ }
+
+ wait(&wstatus);
+ exit_status += WEXITSTATUS(wstatus);
+
+ printf("Check if parent still has huge page...");
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+}
+
+static void collapse_max_ptes_shared()
+{
+ int max_ptes_shared = read_num("khugepaged/max_ptes_shared");
+ int wstatus;
+ void *p;
+
+ p = alloc_mapping();
+
+ printf("Allocate huge page...");
+ madvise(p, hpage_pmd_size, MADV_HUGEPAGE);
+ fill_memory(p, 0, hpage_pmd_size);
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Share huge page over fork()...");
+ if (!fork()) {
+ /* Do not touch settings on child exit */
+ skip_settings_restore = true;
+ exit_status = 0;
+
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Trigger CoW on page %d of %d...",
+ hpage_pmd_nr - max_ptes_shared - 1, hpage_pmd_nr);
+ fill_memory(p, 0, (hpage_pmd_nr - max_ptes_shared - 1) * page_size);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ if (wait_for_scan("Do not collapse with max_ptes_shared exceeded", p))
+ fail("Timeout");
+ else if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ printf("Trigger CoW on page %d of %d...",
+ hpage_pmd_nr - max_ptes_shared, hpage_pmd_nr);
+ fill_memory(p, 0, (hpage_pmd_nr - max_ptes_shared) * page_size);
+ if (!check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+
+ if (wait_for_scan("Collapse with max_ptes_shared PTEs shared", p))
+ fail("Timeout");
+ else if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+ exit(exit_status);
+ }
+
+ wait(&wstatus);
+ exit_status += WEXITSTATUS(wstatus);
+
+ printf("Check if parent still has huge page...");
+ if (check_huge(p))
+ success("OK");
+ else
+ fail("Fail");
+ validate_memory(p, 0, hpage_pmd_size);
+ munmap(p, hpage_pmd_size);
+}
+
+int main(void)
+{
+ setbuf(stdout, NULL);
+
+ page_size = getpagesize();
+ hpage_pmd_size = read_num("hpage_pmd_size");
+ hpage_pmd_nr = hpage_pmd_size / page_size;
+
+ default_settings.khugepaged.max_ptes_none = hpage_pmd_nr - 1;
+ default_settings.khugepaged.max_ptes_swap = hpage_pmd_nr / 8;
+ default_settings.khugepaged.max_ptes_shared = hpage_pmd_nr / 2;
+ default_settings.khugepaged.pages_to_scan = hpage_pmd_nr * 8;
+
+ save_settings();
+ adjust_settings();
+
+ alloc_at_fault();
+ collapse_full();
+ collapse_empty();
+ collapse_single_pte_entry();
+ collapse_max_ptes_none();
+ collapse_swapin_single_pte();
+ collapse_max_ptes_swap();
+ collapse_single_pte_entry_compound();
+ collapse_full_of_compound();
+ collapse_compound_extreme();
+ collapse_fork();
+ collapse_fork_compound();
+ collapse_max_ptes_shared();
+
+ restore_settings(0);
+}
diff --git a/tools/testing/selftests/vm/run_vmtests b/tools/testing/selftests/vm/run_vmtests
index 665009ebfba4..a3f4f30f0a2e 100755
--- a/tools/testing/selftests/vm/run_vmtests
+++ b/tools/testing/selftests/vm/run_vmtests
@@ -59,7 +59,7 @@ else
fi
#filter 64bit architectures
-ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sh64 sparc64 x86_64"
+ARCH64STR="arm64 ia64 mips64 parisc64 ppc64 ppc64le riscv64 s390x sh64 sparc64 x86_64"
if [ -z $ARCH ]; then
ARCH=`uname -m 2>/dev/null | sed -e 's/aarch64.*/arm64/'`
fi
@@ -307,4 +307,20 @@ else
echo "[FAIL]"
exitcode=1
fi
+
+echo "running HMM smoke test"
+echo "------------------------------------"
+./test_hmm.sh smoke
+ret_val=$?
+
+if [ $ret_val -eq 0 ]; then
+ echo "[PASS]"
+elif [ $ret_val -eq $ksft_skip ]; then
+ echo "[SKIP]"
+ exitcode=$ksft_skip
+else
+ echo "[FAIL]"
+ exitcode=1
+fi
+
exit $exitcode
diff --git a/tools/testing/selftests/vm/test_hmm.sh b/tools/testing/selftests/vm/test_hmm.sh
new file mode 100755
index 000000000000..0647b525a625
--- /dev/null
+++ b/tools/testing/selftests/vm/test_hmm.sh
@@ -0,0 +1,97 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2018 Uladzislau Rezki (Sony) <urezki@gmail.com>
+#
+# This is a test script for the kernel test driver to analyse vmalloc
+# allocator. Therefore it is just a kernel module loader. You can specify
+# and pass different parameters in order to:
+# a) analyse performance of vmalloc allocations;
+# b) stressing and stability check of vmalloc subsystem.
+
+TEST_NAME="test_hmm"
+DRIVER="test_hmm"
+
+# 1 if fails
+exitcode=1
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+check_test_requirements()
+{
+ uid=$(id -u)
+ if [ $uid -ne 0 ]; then
+ echo "$0: Must be run as root"
+ exit $ksft_skip
+ fi
+
+ if ! which modprobe > /dev/null 2>&1; then
+ echo "$0: You need modprobe installed"
+ exit $ksft_skip
+ fi
+
+ if ! modinfo $DRIVER > /dev/null 2>&1; then
+ echo "$0: You must have the following enabled in your kernel:"
+ echo "CONFIG_TEST_HMM=m"
+ exit $ksft_skip
+ fi
+}
+
+load_driver()
+{
+ modprobe $DRIVER > /dev/null 2>&1
+ if [ $? == 0 ]; then
+ major=$(awk "\$2==\"HMM_DMIRROR\" {print \$1}" /proc/devices)
+ mknod /dev/hmm_dmirror0 c $major 0
+ mknod /dev/hmm_dmirror1 c $major 1
+ fi
+}
+
+unload_driver()
+{
+ modprobe -r $DRIVER > /dev/null 2>&1
+ rm -f /dev/hmm_dmirror?
+}
+
+run_smoke()
+{
+ echo "Running smoke test. Note, this test provides basic coverage."
+
+ load_driver
+ $(dirname "${BASH_SOURCE[0]}")/hmm-tests
+ unload_driver
+}
+
+usage()
+{
+ echo -n "Usage: $0"
+ echo
+ echo "Example usage:"
+ echo
+ echo "# Shows help message"
+ echo "./${TEST_NAME}.sh"
+ echo
+ echo "# Smoke testing"
+ echo "./${TEST_NAME}.sh smoke"
+ echo
+ exit 0
+}
+
+function run_test()
+{
+ if [ $# -eq 0 ]; then
+ usage
+ else
+ if [ "$1" = "smoke" ]; then
+ run_smoke
+ else
+ usage
+ fi
+ fi
+}
+
+check_test_requirements
+run_test $@
+
+exit 0
diff --git a/tools/testing/selftests/vm/write_to_hugetlbfs.c b/tools/testing/selftests/vm/write_to_hugetlbfs.c
index 110bc4e4015d..6a2caba19ee1 100644
--- a/tools/testing/selftests/vm/write_to_hugetlbfs.c
+++ b/tools/testing/selftests/vm/write_to_hugetlbfs.c
@@ -74,8 +74,6 @@ int main(int argc, char **argv)
int write = 0;
int reserve = 1;
- unsigned long i;
-
if (signal(SIGINT, sig_handler) == SIG_ERR)
err(1, "\ncan't catch SIGINT\n");
diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh
index 936e1ca9410e..17a1f53ceba0 100755
--- a/tools/testing/selftests/wireguard/netns.sh
+++ b/tools/testing/selftests/wireguard/netns.sh
@@ -48,8 +48,11 @@ cleanup() {
exec 2>/dev/null
printf "$orig_message_cost" > /proc/sys/net/core/message_cost
ip0 link del dev wg0
+ ip0 link del dev wg1
ip1 link del dev wg0
+ ip1 link del dev wg1
ip2 link del dev wg0
+ ip2 link del dev wg1
local to_kill="$(ip netns pids $netns0) $(ip netns pids $netns1) $(ip netns pids $netns2)"
[[ -n $to_kill ]] && kill $to_kill
pp ip netns del $netns1
@@ -77,18 +80,20 @@ ip0 link set wg0 netns $netns2
key1="$(pp wg genkey)"
key2="$(pp wg genkey)"
key3="$(pp wg genkey)"
+key4="$(pp wg genkey)"
pub1="$(pp wg pubkey <<<"$key1")"
pub2="$(pp wg pubkey <<<"$key2")"
pub3="$(pp wg pubkey <<<"$key3")"
+pub4="$(pp wg pubkey <<<"$key4")"
psk="$(pp wg genpsk)"
[[ -n $key1 && -n $key2 && -n $psk ]]
configure_peers() {
ip1 addr add 192.168.241.1/24 dev wg0
- ip1 addr add fd00::1/24 dev wg0
+ ip1 addr add fd00::1/112 dev wg0
ip2 addr add 192.168.241.2/24 dev wg0
- ip2 addr add fd00::2/24 dev wg0
+ ip2 addr add fd00::2/112 dev wg0
n1 wg set wg0 \
private-key <(echo "$key1") \
@@ -230,9 +235,38 @@ n1 ping -W 1 -c 1 192.168.241.2
n1 wg set wg0 private-key <(echo "$key3")
n2 wg set wg0 peer "$pub3" preshared-key <(echo "$psk") allowed-ips 192.168.241.1/32 peer "$pub1" remove
n1 ping -W 1 -c 1 192.168.241.2
+n2 wg set wg0 peer "$pub3" remove
+
+# Test that we can route wg through wg
+ip1 addr flush dev wg0
+ip2 addr flush dev wg0
+ip1 addr add fd00::5:1/112 dev wg0
+ip2 addr add fd00::5:2/112 dev wg0
+n1 wg set wg0 private-key <(echo "$key1") peer "$pub2" preshared-key <(echo "$psk") allowed-ips fd00::5:2/128 endpoint 127.0.0.1:2
+n2 wg set wg0 private-key <(echo "$key2") listen-port 2 peer "$pub1" preshared-key <(echo "$psk") allowed-ips fd00::5:1/128 endpoint 127.212.121.99:9998
+ip1 link add wg1 type wireguard
+ip2 link add wg1 type wireguard
+ip1 addr add 192.168.241.1/24 dev wg1
+ip1 addr add fd00::1/112 dev wg1
+ip2 addr add 192.168.241.2/24 dev wg1
+ip2 addr add fd00::2/112 dev wg1
+ip1 link set mtu 1340 up dev wg1
+ip2 link set mtu 1340 up dev wg1
+n1 wg set wg1 listen-port 5 private-key <(echo "$key3") peer "$pub4" allowed-ips 192.168.241.2/32,fd00::2/128 endpoint [fd00::5:2]:5
+n2 wg set wg1 listen-port 5 private-key <(echo "$key4") peer "$pub3" allowed-ips 192.168.241.1/32,fd00::1/128 endpoint [fd00::5:1]:5
+tests
+# Try to set up a routing loop between the two namespaces
+ip1 link set netns $netns0 dev wg1
+ip0 addr add 192.168.241.1/24 dev wg1
+ip0 link set up dev wg1
+n0 ping -W 1 -c 1 192.168.241.2
+n1 wg set wg0 peer "$pub2" endpoint 192.168.241.2:7
+ip2 link del wg0
+ip2 link del wg1
+! n0 ping -W 1 -c 10 -f 192.168.241.2 || false # Should not crash kernel
+ip0 link del wg1
ip1 link del wg0
-ip2 link del wg0
# Test using NAT. We now change the topology to this:
# ┌────────────────────────────────────────┐ ┌────────────────────────────────────────────────┐ ┌────────────────────────────────────────┐
@@ -282,6 +316,20 @@ pp sleep 3
n2 ping -W 1 -c 1 192.168.241.1
n1 wg set wg0 peer "$pub2" persistent-keepalive 0
+# Test that onion routing works, even when it loops
+n1 wg set wg0 peer "$pub3" allowed-ips 192.168.242.2/32 endpoint 192.168.241.2:5
+ip1 addr add 192.168.242.1/24 dev wg0
+ip2 link add wg1 type wireguard
+ip2 addr add 192.168.242.2/24 dev wg1
+n2 wg set wg1 private-key <(echo "$key3") listen-port 5 peer "$pub1" allowed-ips 192.168.242.1/32
+ip2 link set wg1 up
+n1 ping -W 1 -c 1 192.168.242.2
+ip2 link del wg1
+n1 wg set wg0 peer "$pub3" endpoint 192.168.242.2:5
+! n1 ping -W 1 -c 1 192.168.242.2 || false # Should not crash kernel
+n1 wg set wg0 peer "$pub3" remove
+ip1 addr del 192.168.242.1/24 dev wg0
+
# Do a wg-quick(8)-style policy routing for the default route, making sure vethc has a v6 address to tease out bugs.
ip1 -6 addr add fc00::9/96 dev vethc
ip1 -6 route add default via fc00::1
diff --git a/tools/testing/selftests/wireguard/qemu/Makefile b/tools/testing/selftests/wireguard/qemu/Makefile
index 90598a425c18..4bdd6c1a19d3 100644
--- a/tools/testing/selftests/wireguard/qemu/Makefile
+++ b/tools/testing/selftests/wireguard/qemu/Makefile
@@ -44,7 +44,7 @@ endef
$(eval $(call tar_download,MUSL,musl,1.2.0,.tar.gz,https://musl.libc.org/releases/,c6de7b191139142d3f9a7b5b702c9cae1b5ee6e7f57e582da9328629408fd4e8))
$(eval $(call tar_download,IPERF,iperf,3.7,.tar.gz,https://downloads.es.net/pub/iperf/,d846040224317caf2f75c843d309a950a7db23f9b44b94688ccbe557d6d1710c))
$(eval $(call tar_download,BASH,bash,5.0,.tar.gz,https://ftp.gnu.org/gnu/bash/,b4a80f2ac66170b2913efbfb9f2594f1f76c7b1afd11f799e22035d63077fb4d))
-$(eval $(call tar_download,IPROUTE2,iproute2,5.4.0,.tar.xz,https://www.kernel.org/pub/linux/utils/net/iproute2/,fe97aa60a0d4c5ac830be18937e18dc3400ca713a33a89ad896ff1e3d46086ae))
+$(eval $(call tar_download,IPROUTE2,iproute2,5.6.0,.tar.xz,https://www.kernel.org/pub/linux/utils/net/iproute2/,1b5b0e25ce6e23da7526ea1da044e814ad85ba761b10dd29c2b027c056b04692))
$(eval $(call tar_download,IPTABLES,iptables,1.8.4,.tar.bz2,https://www.netfilter.org/projects/iptables/files/,993a3a5490a544c2cbf2ef15cf7e7ed21af1845baf228318d5c36ef8827e157c))
$(eval $(call tar_download,NMAP,nmap,7.80,.tar.bz2,https://nmap.org/dist/,fcfa5a0e42099e12e4bf7a68ebe6fde05553383a682e816a7ec9256ab4773faa))
$(eval $(call tar_download,IPUTILS,iputils,s20190709,.tar.gz,https://github.com/iputils/iputils/archive/s20190709.tar.gz/#,a15720dd741d7538dd2645f9f516d193636ae4300ff7dbc8bfca757bf166490a))
diff --git a/tools/testing/selftests/wireguard/qemu/arch/powerpc64le.config b/tools/testing/selftests/wireguard/qemu/arch/powerpc64le.config
index 990c510a9cfa..f52f1e2bc7f6 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/powerpc64le.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/powerpc64le.config
@@ -10,3 +10,4 @@ CONFIG_CMDLINE_BOOL=y
CONFIG_CMDLINE="console=hvc0 wg.success=hvc1"
CONFIG_SECTION_MISMATCH_WARN_ONLY=y
CONFIG_FRAME_WARN=1280
+CONFIG_THREAD_SHIFT=14
diff --git a/tools/testing/selftests/wireguard/qemu/debug.config b/tools/testing/selftests/wireguard/qemu/debug.config
index 5909e7ef2a5c..b50c2085c1ac 100644
--- a/tools/testing/selftests/wireguard/qemu/debug.config
+++ b/tools/testing/selftests/wireguard/qemu/debug.config
@@ -25,7 +25,6 @@ CONFIG_KASAN=y
CONFIG_KASAN_INLINE=y
CONFIG_UBSAN=y
CONFIG_UBSAN_SANITIZE_ALL=y
-CONFIG_UBSAN_NO_ALIGNMENT=y
CONFIG_UBSAN_NULL=y
CONFIG_DEBUG_KMEMLEAK=y
CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=8192
@@ -58,7 +57,6 @@ CONFIG_RCU_EQS_DEBUG=y
CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_DEBUG_SG=y
CONFIG_DEBUG_NOTIFIERS=y
-CONFIG_DOUBLEFAULT=y
CONFIG_X86_DEBUG_FPU=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_PAGEALLOC=y
diff --git a/tools/virtio/Makefile b/tools/virtio/Makefile
index f33f32f1d208..b587b9a7a124 100644
--- a/tools/virtio/Makefile
+++ b/tools/virtio/Makefile
@@ -4,7 +4,7 @@ test: virtio_test vringh_test
virtio_test: virtio_ring.o virtio_test.o
vringh_test: vringh_test.o vringh.o virtio_ring.o
-CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE
+CFLAGS += -g -O2 -Werror -Wall -I. -I../include/ -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD -U_FORTIFY_SOURCE -include ../../include/linux/kconfig.h
vpath %.c ../../drivers/virtio ../../drivers/vhost
mod:
${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test V=${V}
@@ -22,7 +22,8 @@ OOT_CONFIGS=\
CONFIG_VHOST=m \
CONFIG_VHOST_NET=n \
CONFIG_VHOST_SCSI=n \
- CONFIG_VHOST_VSOCK=n
+ CONFIG_VHOST_VSOCK=n \
+ CONFIG_VHOST_RING=n
OOT_BUILD=KCFLAGS="-I "${OOT_VHOST} ${MAKE} -C ${OOT_KSRC} V=${V}
oot-build:
echo "UNSUPPORTED! Don't use the resulting modules in production!"
diff --git a/tools/virtio/asm/barrier.h b/tools/virtio/asm/barrier.h
index d0351f83aebe..04d563fc9b95 100644
--- a/tools/virtio/asm/barrier.h
+++ b/tools/virtio/asm/barrier.h
@@ -1,4 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#include <stdlib.h>
#if defined(__i386__) || defined(__x86_64__)
#define barrier() asm volatile("" ::: "memory")
#define virt_mb() __sync_synchronize()
diff --git a/tools/virtio/generated/autoconf.h b/tools/virtio/generated/autoconf.h
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/tools/virtio/generated/autoconf.h
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h
index 903dc9c4bd11..2c51bccb97bb 100644
--- a/tools/virtio/linux/compiler.h
+++ b/tools/virtio/linux/compiler.h
@@ -7,4 +7,5 @@
#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var))))
+#define __aligned(x) __attribute((__aligned__(x)))
#endif
diff --git a/tools/vm/Makefile b/tools/vm/Makefile
index 20f6cf04377f..9860622cbb15 100644
--- a/tools/vm/Makefile
+++ b/tools/vm/Makefile
@@ -1,6 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for vm tools
#
+include ../scripts/Makefile.include
+
TARGETS=page-types slabinfo page_owner_sort
LIB_DIR = ../lib/api
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
index d3a8755c039c..85eb65ea16d3 100644
--- a/tools/vm/page_owner_sort.c
+++ b/tools/vm/page_owner_sort.c
@@ -4,8 +4,7 @@
*
* Example use:
* cat /sys/kernel/debug/page_owner > page_owner_full.txt
- * grep -v ^PFN page_owner_full.txt > page_owner.txt
- * ./page_owner_sort page_owner.txt sorted_page_owner.txt
+ * ./page_owner_sort page_owner_full.txt sorted_page_owner.txt
*
* See Documentation/vm/page_owner.rst
*/
@@ -38,6 +37,8 @@ int read_block(char *buf, int buf_size, FILE *fin)
while (buf_end - curr > 1 && fgets(curr, buf_end - curr, fin)) {
if (*curr == '\n') /* empty line */
return curr - buf;
+ if (!strncmp(curr, "PFN", 3))
+ continue;
curr += strlen(curr);
}
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c
index 15e5b037f92d..f1e07fae84e9 100644
--- a/virt/kvm/async_pf.c
+++ b/virt/kvm/async_pf.c
@@ -51,6 +51,7 @@ static void async_pf_execute(struct work_struct *work)
unsigned long addr = apf->addr;
gpa_t cr2_or_gpa = apf->cr2_or_gpa;
int locked = 1;
+ bool first;
might_sleep();
@@ -69,10 +70,14 @@ static void async_pf_execute(struct work_struct *work)
kvm_arch_async_page_present(vcpu, apf);
spin_lock(&vcpu->async_pf.lock);
+ first = list_empty(&vcpu->async_pf.done);
list_add_tail(&apf->link, &vcpu->async_pf.done);
apf->vcpu = NULL;
spin_unlock(&vcpu->async_pf.lock);
+ if (!IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC) && first)
+ kvm_arch_async_page_present_queued(vcpu);
+
/*
* apf may be freed by kvm_check_async_pf_completion() after
* this point
@@ -80,8 +85,7 @@ static void async_pf_execute(struct work_struct *work)
trace_kvm_async_pf_completed(addr, cr2_or_gpa);
- if (swq_has_sleeper(&vcpu->wq))
- swake_up_one(&vcpu->wq);
+ rcuwait_wake_up(&vcpu->wait);
mmput(mm);
kvm_put_kvm(vcpu->kvm);
@@ -135,7 +139,7 @@ void kvm_check_async_pf_completion(struct kvm_vcpu *vcpu)
struct kvm_async_pf *work;
while (!list_empty_careful(&vcpu->async_pf.done) &&
- kvm_arch_can_inject_async_page_present(vcpu)) {
+ kvm_arch_can_dequeue_async_page_present(vcpu)) {
spin_lock(&vcpu->async_pf.lock);
work = list_first_entry(&vcpu->async_pf.done, typeof(*work),
link);
@@ -202,6 +206,7 @@ retry_sync:
int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu)
{
struct kvm_async_pf *work;
+ bool first;
if (!list_empty_careful(&vcpu->async_pf.done))
return 0;
@@ -214,9 +219,13 @@ int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu)
INIT_LIST_HEAD(&work->queue); /* for list_del to work */
spin_lock(&vcpu->async_pf.lock);
+ first = list_empty(&vcpu->async_pf.done);
list_add_tail(&work->link, &vcpu->async_pf.done);
spin_unlock(&vcpu->async_pf.lock);
+ if (!IS_ENABLED(CONFIG_KVM_ASYNC_PF_SYNC) && first)
+ kvm_arch_async_page_present_queued(vcpu);
+
vcpu->async_pf.queued++;
return 0;
}
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 00c747dbc82e..e2c197fd4f9d 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -119,7 +119,7 @@ int kvm_coalesced_mmio_init(struct kvm *kvm)
/*
* We're using this spinlock to sync access to the coalesced ring.
- * The list doesn't need it's own lock since device registration and
+ * The list doesn't need its own lock since device registration and
* unregistration should only happen when kvm->slots_lock is held.
*/
spin_lock_init(&kvm->ring_lock);
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 67b6fc153e9c..ef7ed916ad4a 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -116,7 +116,7 @@ irqfd_shutdown(struct work_struct *work)
struct kvm *kvm = irqfd->kvm;
u64 cnt;
- /* Make sure irqfd has been initalized in assign path. */
+ /* Make sure irqfd has been initialized in assign path. */
synchronize_srcu(&kvm->irq_srcu);
/*
@@ -721,7 +721,7 @@ ioeventfd_in_range(struct _ioeventfd *p, gpa_t addr, int len, const void *val)
return false;
}
- return _val == p->datamatch ? true : false;
+ return _val == p->datamatch;
}
/* MMIO/PIO writes trigger an event if the addr/val match */
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 74bdb7bf3295..7fa1e38e1659 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -259,6 +259,7 @@ static inline bool kvm_kick_many_cpus(const struct cpumask *cpus, bool wait)
}
bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
+ struct kvm_vcpu *except,
unsigned long *vcpu_bitmap, cpumask_var_t tmp)
{
int i, cpu, me;
@@ -268,7 +269,8 @@ bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
me = get_cpu();
kvm_for_each_vcpu(i, vcpu, kvm) {
- if (vcpu_bitmap && !test_bit(i, vcpu_bitmap))
+ if ((vcpu_bitmap && !test_bit(i, vcpu_bitmap)) ||
+ vcpu == except)
continue;
kvm_make_request(req, vcpu);
@@ -288,19 +290,25 @@ bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req,
return called;
}
-bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req)
+bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req,
+ struct kvm_vcpu *except)
{
cpumask_var_t cpus;
bool called;
zalloc_cpumask_var(&cpus, GFP_ATOMIC);
- called = kvm_make_vcpus_request_mask(kvm, req, NULL, cpus);
+ called = kvm_make_vcpus_request_mask(kvm, req, except, NULL, cpus);
free_cpumask_var(cpus);
return called;
}
+bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req)
+{
+ return kvm_make_all_cpus_request_except(kvm, req, NULL);
+}
+
#ifndef CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL
void kvm_flush_remote_tlbs(struct kvm *kvm)
{
@@ -341,7 +349,7 @@ static void kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id)
vcpu->kvm = kvm;
vcpu->vcpu_id = id;
vcpu->pid = NULL;
- init_swait_queue_head(&vcpu->wq);
+ rcuwait_init(&vcpu->wait);
kvm_async_pf_vcpu_init(vcpu);
vcpu->pre_pcpu = -1;
@@ -710,6 +718,8 @@ static struct kvm *kvm_create_vm(unsigned long type)
goto out_err_no_arch_destroy_vm;
}
+ kvm->max_halt_poll_ns = halt_poll_ns;
+
r = kvm_arch_init_vm(kvm, type);
if (r)
goto out_err_no_arch_destroy_vm;
@@ -1215,10 +1225,9 @@ int __kvm_set_memory_region(struct kvm *kvm,
if (mem->guest_phys_addr & (PAGE_SIZE - 1))
return -EINVAL;
/* We can read the guest memory with __xxx_user() later on. */
- if ((id < KVM_USER_MEM_SLOTS) &&
- ((mem->userspace_addr & (PAGE_SIZE - 1)) ||
+ if ((mem->userspace_addr & (PAGE_SIZE - 1)) ||
!access_ok((void __user *)(unsigned long)mem->userspace_addr,
- mem->memory_size)))
+ mem->memory_size))
return -EINVAL;
if (as_id >= KVM_ADDRESS_SPACE_NUM || id >= KVM_MEM_SLOTS_NUM)
return -EINVAL;
@@ -1602,16 +1611,13 @@ struct kvm_memory_slot *kvm_vcpu_gfn_to_memslot(struct kvm_vcpu *vcpu, gfn_t gfn
{
return __gfn_to_memslot(kvm_vcpu_memslots(vcpu), gfn);
}
+EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_memslot);
bool kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
{
struct kvm_memory_slot *memslot = gfn_to_memslot(kvm, gfn);
- if (!memslot || memslot->id >= KVM_USER_MEM_SLOTS ||
- memslot->flags & KVM_MEMSLOT_INVALID)
- return false;
-
- return true;
+ return kvm_is_visible_memslot(memslot);
}
EXPORT_SYMBOL_GPL(kvm_is_visible_gfn);
@@ -2503,13 +2509,15 @@ int kvm_write_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
}
EXPORT_SYMBOL_GPL(kvm_write_guest_cached);
-int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
- void *data, unsigned long len)
+int kvm_read_guest_offset_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ void *data, unsigned int offset,
+ unsigned long len)
{
struct kvm_memslots *slots = kvm_memslots(kvm);
int r;
+ gpa_t gpa = ghc->gpa + offset;
- BUG_ON(len > ghc->len);
+ BUG_ON(len + offset > ghc->len);
if (slots->generation != ghc->generation) {
if (__kvm_gfn_to_hva_cache_init(slots, ghc, ghc->gpa, ghc->len))
@@ -2520,14 +2528,21 @@ int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
return -EFAULT;
if (unlikely(!ghc->memslot))
- return kvm_read_guest(kvm, ghc->gpa, data, len);
+ return kvm_read_guest(kvm, gpa, data, len);
- r = __copy_from_user(data, (void __user *)ghc->hva, len);
+ r = __copy_from_user(data, (void __user *)ghc->hva + offset, len);
if (r)
return -EFAULT;
return 0;
}
+EXPORT_SYMBOL_GPL(kvm_read_guest_offset_cached);
+
+int kvm_read_guest_cached(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
+ void *data, unsigned long len)
+{
+ return kvm_read_guest_offset_cached(kvm, ghc, data, 0, len);
+}
EXPORT_SYMBOL_GPL(kvm_read_guest_cached);
int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len)
@@ -2665,19 +2680,27 @@ out:
return ret;
}
+static inline void
+update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited)
+{
+ if (waited)
+ vcpu->stat.halt_poll_fail_ns += poll_ns;
+ else
+ vcpu->stat.halt_poll_success_ns += poll_ns;
+}
+
/*
* The vCPU has executed a HLT instruction with in-kernel mode enabled.
*/
void kvm_vcpu_block(struct kvm_vcpu *vcpu)
{
- ktime_t start, cur;
- DECLARE_SWAITQUEUE(wait);
+ ktime_t start, cur, poll_end;
bool waited = false;
u64 block_ns;
kvm_arch_vcpu_blocking(vcpu);
- start = cur = ktime_get();
+ start = cur = poll_end = ktime_get();
if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) {
ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns);
@@ -2693,12 +2716,13 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
++vcpu->stat.halt_poll_invalid;
goto out;
}
- cur = ktime_get();
+ poll_end = cur = ktime_get();
} while (single_task_running() && ktime_before(cur, stop));
}
+ prepare_to_rcuwait(&vcpu->wait);
for (;;) {
- prepare_to_swait_exclusive(&vcpu->wq, &wait, TASK_INTERRUPTIBLE);
+ set_current_state(TASK_INTERRUPTIBLE);
if (kvm_vcpu_check_block(vcpu) < 0)
break;
@@ -2706,25 +2730,28 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
waited = true;
schedule();
}
-
- finish_swait(&vcpu->wq, &wait);
+ finish_rcuwait(&vcpu->wait);
cur = ktime_get();
out:
kvm_arch_vcpu_unblocking(vcpu);
block_ns = ktime_to_ns(cur) - ktime_to_ns(start);
+ update_halt_poll_stats(
+ vcpu, ktime_to_ns(ktime_sub(poll_end, start)), waited);
+
if (!kvm_arch_no_poll(vcpu)) {
if (!vcpu_valid_wakeup(vcpu)) {
shrink_halt_poll_ns(vcpu);
- } else if (halt_poll_ns) {
+ } else if (vcpu->kvm->max_halt_poll_ns) {
if (block_ns <= vcpu->halt_poll_ns)
;
/* we had a long block, shrink polling */
- else if (vcpu->halt_poll_ns && block_ns > halt_poll_ns)
+ else if (vcpu->halt_poll_ns &&
+ block_ns > vcpu->kvm->max_halt_poll_ns)
shrink_halt_poll_ns(vcpu);
/* we had a short halt and our poll time is too small */
- else if (vcpu->halt_poll_ns < halt_poll_ns &&
- block_ns < halt_poll_ns)
+ else if (vcpu->halt_poll_ns < vcpu->kvm->max_halt_poll_ns &&
+ block_ns < vcpu->kvm->max_halt_poll_ns)
grow_halt_poll_ns(vcpu);
} else {
vcpu->halt_poll_ns = 0;
@@ -2738,11 +2765,10 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_block);
bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu)
{
- struct swait_queue_head *wqp;
+ struct rcuwait *waitp;
- wqp = kvm_arch_vcpu_wq(vcpu);
- if (swq_has_sleeper(wqp)) {
- swake_up_one(wqp);
+ waitp = kvm_arch_vcpu_get_wait(vcpu);
+ if (rcuwait_wake_up(waitp)) {
WRITE_ONCE(vcpu->ready, true);
++vcpu->stat.halt_wakeup;
return true;
@@ -2799,7 +2825,7 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_yield_to);
*
* (a) VCPU which has not done pl-exit or cpu relax intercepted recently
* (preempted lock holder), indicated by @in_spin_loop.
- * Set at the beiginning and cleared at the end of interception/PLE handler.
+ * Set at the beginning and cleared at the end of interception/PLE handler.
*
* (b) VCPU which has done pl-exit/ cpu relax intercepted but did not get
* chance last time (mostly it has become eligible now since we have probably
@@ -2884,7 +2910,8 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode)
continue;
if (vcpu == me)
continue;
- if (swait_active(&vcpu->wq) && !vcpu_dy_runnable(vcpu))
+ if (rcuwait_active(&vcpu->wait) &&
+ !vcpu_dy_runnable(vcpu))
continue;
if (READ_ONCE(vcpu->preempted) && yield_to_kernel_mode &&
!kvm_arch_vcpu_in_kernel(vcpu))
@@ -3031,8 +3058,6 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
if (r)
goto vcpu_free_run_page;
- kvm_create_vcpu_debugfs(vcpu);
-
mutex_lock(&kvm->lock);
if (kvm_get_vcpu_by_id(kvm, id)) {
r = -EEXIST;
@@ -3061,11 +3086,11 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
mutex_unlock(&kvm->lock);
kvm_arch_vcpu_postcreate(vcpu);
+ kvm_create_vcpu_debugfs(vcpu);
return r;
unlock_vcpu_destroy:
mutex_unlock(&kvm->lock);
- debugfs_remove_recursive(vcpu->debugfs_dentry);
kvm_arch_vcpu_destroy(vcpu);
vcpu_free_run_page:
free_page((unsigned long)vcpu->run);
@@ -3135,7 +3160,7 @@ static long kvm_vcpu_ioctl(struct file *filp,
synchronize_rcu();
put_pid(oldpid);
}
- r = kvm_arch_vcpu_ioctl_run(vcpu, vcpu->run);
+ r = kvm_arch_vcpu_ioctl_run(vcpu);
trace_kvm_userspace_exit(vcpu->run->exit_reason, r);
break;
}
@@ -3160,7 +3185,6 @@ out_free1:
case KVM_SET_REGS: {
struct kvm_regs *kvm_regs;
- r = -ENOMEM;
kvm_regs = memdup_user(argp, sizeof(*kvm_regs));
if (IS_ERR(kvm_regs)) {
r = PTR_ERR(kvm_regs);
@@ -3516,6 +3540,7 @@ static long kvm_vm_ioctl_check_extension_generic(struct kvm *kvm, long arg)
case KVM_CAP_IOEVENTFD_ANY_LENGTH:
case KVM_CAP_CHECK_EXTENSION_VM:
case KVM_CAP_ENABLE_CAP_VM:
+ case KVM_CAP_HALT_POLL:
return 1;
#ifdef CONFIG_KVM_MMIO
case KVM_CAP_COALESCED_MMIO:
@@ -3566,6 +3591,13 @@ static int kvm_vm_ioctl_enable_cap_generic(struct kvm *kvm,
return 0;
}
#endif
+ case KVM_CAP_HALT_POLL: {
+ if (cap->flags || cap->args[0] != (unsigned int)cap->args[0])
+ return -EINVAL;
+
+ kvm->max_halt_poll_ns = cap->args[0];
+ return 0;
+ }
default:
return kvm_vm_ioctl_enable_cap(kvm, cap);
}
@@ -4639,6 +4671,7 @@ struct kvm_vcpu *kvm_get_running_vcpu(void)
return vcpu;
}
+EXPORT_SYMBOL_GPL(kvm_get_running_vcpu);
/**
* kvm_get_running_vcpus - get the per-CPU array of currently running vcpus.